[ 204.442027][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 204.442365][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 204.442365][ T10] netdev_get_by_index+0x5e/0x80 [ 204.442365][ T10] fib6_nh_init+0x3d8/0x1580 [ 204.442365][ T10] ip6_route_info_create+0xf18/0x17d0 [ 204.442365][ T10] addrconf_f6i_alloc+0x265/0x560 [ 204.442365][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 204.442365][ T10] addrconf_join_anycast+0x1c0/0x220 [ 204.442365][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 204.442365][ T10] addrconf_dad_completed+0x12b/0xe20 [ 204.442365][ T10] addrconf_dad_begin+0x310/0x670 [ 204.442365][ T10] addrconf_dad_work+0x10b/0xab0 [ 204.442365][ T10] process_one_work+0x84d/0x18a0 [ 204.442365][ T10] worker_thread+0x587/0xd30 [ 204.442365][ T10] kthread+0x28a/0x350 [ 204.442365][ T10] ret_from_fork+0x31/0x70 [ 204.442365][ T10] ret_from_fork_asm+0x1a/0x30 [ 204.442365][ T10] [ 204.444477][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 204.444477][ T10] netdev_get_by_index+0x5e/0x80 [ 204.444477][ T10] fib6_nh_init+0x3d8/0x1580 [ 204.444477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 204.444477][ T10] ip6_route_add+0x1c/0x140 [ 204.444477][ T10] addrconf_prefix_route+0x2a6/0x430 [ 204.444477][ T10] inet6_addr_add+0x4f8/0xa40 [ 204.444477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 204.444477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 204.444477][ T10] netlink_rcv_skb+0x130/0x360 [ 204.444477][ T10] netlink_unicast+0x449/0x710 [ 204.444477][ T10] netlink_sendmsg+0x723/0xbe0 [ 204.444477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 204.444477][ T10] ___sys_sendmsg+0xee/0x170 [ 204.444477][ T10] __sys_sendmsg+0xcd/0x170 [ 204.444477][ T10] do_syscall_64+0xc6/0x1e0 [ 204.444477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 204.444477][ T10] [ 204.446598][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 204.446598][ T10] netdev_get_by_index+0x5e/0x80 [ 204.446598][ T10] fib6_nh_init+0x3d8/0x1580 [ 204.446598][ T10] ip6_route_info_create+0xf18/0x17d0 [ 204.446598][ T10] addrconf_f6i_alloc+0x315/0x560 [ 204.446598][ T10] ipv6_add_addr+0x411/0x2000 [ 204.446598][ T10] inet6_addr_add+0x30e/0xa40 [ 204.446598][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 204.446598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 204.446598][ T10] netlink_rcv_skb+0x130/0x360 [ 204.446598][ T10] netlink_unicast+0x449/0x710 [ 204.446598][ T10] netlink_sendmsg+0x723/0xbe0 [ 204.446598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 204.446598][ T10] ___sys_sendmsg+0xee/0x170 [ 204.446598][ T10] __sys_sendmsg+0xcd/0x170 [ 204.446598][ T10] do_syscall_64+0xc6/0x1e0 [ 204.446598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 204.446598][ T10] [ 204.448663][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 204.448663][ T10] netdev_get_by_index+0x5e/0x80 [ 204.448663][ T10] fib6_nh_init+0x3d8/0x1580 [ 204.448663][ T10] ip6_route_info_create+0xf18/0x17d0 [ 204.448663][ T10] ip6_route_add+0x1c/0x140 [ 204.448663][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 204.448663][ T10] addrconf_add_dev+0xe2/0x170 [ 204.448663][ T10] inet6_addr_add+0x12f/0xa40 [ 204.448663][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 204.448663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 204.448663][ T10] netlink_rcv_skb+0x130/0x360 [ 204.448663][ T10] netlink_unicast+0x449/0x710 [ 204.448663][ T10] netlink_sendmsg+0x723/0xbe0 [ 204.448663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 204.448663][ T10] ___sys_sendmsg+0xee/0x170 [ 204.448663][ T10] __sys_sendmsg+0xcd/0x170 [ 204.448663][ T10] do_syscall_64+0xc6/0x1e0 [ 204.448663][ T10] [ 204.450690][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 204.450690][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 204.450690][ T10] ipv6_find_idev+0x102/0x170 [ 204.450690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 204.450690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 204.450690][ T10] netlink_rcv_skb+0x130/0x360 [ 204.450690][ T10] netlink_unicast+0x449/0x710 [ 204.450690][ T10] netlink_sendmsg+0x723/0xbe0 [ 204.450690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 204.450690][ T10] ___sys_sendmsg+0xee/0x170 [ 204.450690][ T10] __sys_sendmsg+0xcd/0x170 [ 204.450690][ T10] do_syscall_64+0xc6/0x1e0 [ 204.450690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 204.450690][ T10] [ 204.452459][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 204.452459][ T10] neigh_parms_alloc+0x1e5/0x510 [ 204.452459][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 204.452459][ T10] ipv6_find_idev+0x102/0x170 [ 204.452459][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 204.452459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 204.452459][ T10] netlink_rcv_skb+0x130/0x360 [ 204.452459][ T10] netlink_unicast+0x449/0x710 [ 204.452459][ T10] netlink_sendmsg+0x723/0xbe0 [ 204.452459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 204.452459][ T10] ___sys_sendmsg+0xee/0x170 [ 204.452459][ T10] __sys_sendmsg+0xcd/0x170 [ 204.452459][ T10] do_syscall_64+0xc6/0x1e0 [ 204.452459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 204.452459][ T10] [ 204.454266][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 204.454541][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 204.454541][ T10] netdev_get_by_index+0x5e/0x80 [ 204.454541][ T10] fib6_nh_init+0x3d8/0x1580 [ 204.454541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 204.454541][ T10] addrconf_f6i_alloc+0x265/0x560 [ 204.454541][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 204.454541][ T10] addrconf_join_anycast+0x1c0/0x220 [ 204.454541][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 204.454541][ T10] addrconf_dad_completed+0x12b/0xe20 [ 204.454541][ T10] addrconf_dad_begin+0x310/0x670 [ 204.454541][ T10] addrconf_dad_work+0x10b/0xab0 [ 204.454541][ T10] process_one_work+0x84d/0x18a0 [ 204.454541][ T10] worker_thread+0x587/0xd30 [ 204.454541][ T10] kthread+0x28a/0x350 [ 204.454541][ T10] ret_from_fork+0x31/0x70 [ 204.454541][ T10] ret_from_fork_asm+0x1a/0x30 [ 204.454541][ T10] [ 204.456548][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 204.456548][ T10] netdev_get_by_index+0x5e/0x80 [ 204.456548][ T10] fib6_nh_init+0x3d8/0x1580 [ 204.456548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 204.456548][ T10] ip6_route_add+0x1c/0x140 [ 204.456548][ T10] addrconf_prefix_route+0x2a6/0x430 [ 204.456548][ T10] inet6_addr_add+0x4f8/0xa40 [ 204.456548][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 204.456548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 204.456548][ T10] netlink_rcv_skb+0x130/0x360 [ 204.456548][ T10] netlink_unicast+0x449/0x710 [ 204.456548][ T10] netlink_sendmsg+0x723/0xbe0 [ 204.456548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 204.456548][ T10] ___sys_sendmsg+0xee/0x170 [ 204.456548][ T10] __sys_sendmsg+0xcd/0x170 [ 204.456548][ T10] do_syscall_64+0xc6/0x1e0 [ 204.456548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 204.456548][ T10] [ 204.458887][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 204.458887][ T10] netdev_get_by_index+0x5e/0x80 [ 204.458887][ T10] fib6_nh_init+0x3d8/0x1580 [ 204.458887][ T10] ip6_route_info_create+0xf18/0x17d0 [ 204.458887][ T10] addrconf_f6i_alloc+0x315/0x560 [ 204.458887][ T10] ipv6_add_addr+0x411/0x2000 [ 204.458887][ T10] inet6_addr_add+0x30e/0xa40 [ 204.458887][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 204.458887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 204.458887][ T10] netlink_rcv_skb+0x130/0x360 [ 204.458887][ T10] netlink_unicast+0x449/0x710 [ 204.458887][ T10] netlink_sendmsg+0x723/0xbe0 [ 204.458887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 204.458887][ T10] ___sys_sendmsg+0xee/0x170 [ 204.458887][ T10] __sys_sendmsg+0xcd/0x170 [ 204.458887][ T10] do_syscall_64+0xc6/0x1e0 [ 204.458887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 204.458887][ T10] [ 204.461212][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 204.461212][ T10] netdev_get_by_index+0x5e/0x80 [ 204.461212][ T10] fib6_nh_init+0x3d8/0x1580 [ 204.461212][ T10] ip6_route_info_create+0xf18/0x17d0 [ 204.461212][ T10] ip6_route_add+0x1c/0x140 [ 204.461212][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 204.461212][ T10] addrconf_add_dev+0xe2/0x170 [ 204.461212][ T10] inet6_addr_add+0x12f/0xa40 [ 204.461212][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 204.461212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 204.461212][ T10] netlink_rcv_skb+0x130/0x360 [ 204.461212][ T10] netlink_unicast+0x449/0x710 [ 204.461212][ T10] netlink_sendmsg+0x723/0xbe0 [ 204.461212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 204.461212][ T10] ___sys_sendmsg+0xee/0x170 [ 204.461212][ T10] __sys_sendmsg+0xcd/0x170 [ 204.461212][ T10] do_syscall_64+0xc6/0x1e0 [ 204.461212][ T10] [ 204.463612][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 204.463612][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 204.463612][ T10] ipv6_find_idev+0x102/0x170 [ 204.463612][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 204.463612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 204.463612][ T10] netlink_rcv_skb+0x130/0x360 [ 204.463612][ T10] netlink_unicast+0x449/0x710 [ 204.463612][ T10] netlink_sendmsg+0x723/0xbe0 [ 204.463612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 204.463612][ T10] ___sys_sendmsg+0xee/0x170 [ 204.463612][ T10] __sys_sendmsg+0xcd/0x170 [ 204.463612][ T10] do_syscall_64+0xc6/0x1e0 [ 204.463612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 204.463612][ T10] [ 204.465499][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 204.465499][ T10] neigh_parms_alloc+0x1e5/0x510 [ 204.465499][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 204.465499][ T10] ipv6_find_idev+0x102/0x170 [ 204.465499][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 204.465499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 204.465499][ T10] netlink_rcv_skb+0x130/0x360 [ 204.465499][ T10] netlink_unicast+0x449/0x710 [ 204.465499][ T10] netlink_sendmsg+0x723/0xbe0 [ 204.465499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 204.465499][ T10] ___sys_sendmsg+0xee/0x170 [ 204.465499][ T10] __sys_sendmsg+0xcd/0x170 [ 204.465499][ T10] do_syscall_64+0xc6/0x1e0 [ 204.465499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 204.465499][ T10] [ 204.467491][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 204.467840][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 204.467840][ T10] netdev_get_by_index+0x5e/0x80 [ 204.467840][ T10] fib6_nh_init+0x3d8/0x1580 [ 204.467840][ T10] ip6_route_info_create+0xf18/0x17d0 [ 204.467840][ T10] addrconf_f6i_alloc+0x265/0x560 [ 204.467840][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 204.467840][ T10] addrconf_join_anycast+0x1c0/0x220 [ 204.467840][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 204.467840][ T10] addrconf_dad_completed+0x12b/0xe20 [ 204.467840][ T10] addrconf_dad_begin+0x310/0x670 [ 204.467840][ T10] addrconf_dad_work+0x10b/0xab0 [ 204.467840][ T10] process_one_work+0x84d/0x18a0 [ 204.467840][ T10] worker_thread+0x587/0xd30 [ 204.467840][ T10] kthread+0x28a/0x350 [ 204.467840][ T10] ret_from_fork+0x31/0x70 [ 204.467840][ T10] ret_from_fork_asm+0x1a/0x30 [ 204.467840][ T10] [ 204.470049][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 204.470049][ T10] netdev_get_by_index+0x5e/0x80 [ 204.470049][ T10] fib6_nh_init+0x3d8/0x1580 [ 204.470049][ T10] ip6_route_info_create+0xf18/0x17d0 [ 204.470049][ T10] ip6_route_add+0x1c/0x140 [ 204.470049][ T10] addrconf_prefix_route+0x2a6/0x430 [ 204.470049][ T10] inet6_addr_add+0x4f8/0xa40 [ 204.470049][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 204.470049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 204.470049][ T10] netlink_rcv_skb+0x130/0x360 [ 204.470049][ T10] netlink_unicast+0x449/0x710 [ 204.470049][ T10] netlink_sendmsg+0x723/0xbe0 [ 204.470049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 204.470049][ T10] ___sys_sendmsg+0xee/0x170 [ 204.470049][ T10] __sys_sendmsg+0xcd/0x170 [ 204.470049][ T10] do_syscall_64+0xc6/0x1e0 [ 204.470049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 204.470049][ T10] [ 204.472356][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 204.472356][ T10] netdev_get_by_index+0x5e/0x80 [ 204.472356][ T10] fib6_nh_init+0x3d8/0x1580 [ 204.472356][ T10] ip6_route_info_create+0xf18/0x17d0 [ 204.472356][ T10] addrconf_f6i_alloc+0x315/0x560 [ 204.472356][ T10] ipv6_add_addr+0x411/0x2000 [ 204.472356][ T10] inet6_addr_add+0x30e/0xa40 [ 204.472356][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 204.472356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 204.472356][ T10] netlink_rcv_skb+0x130/0x360 [ 204.472356][ T10] netlink_unicast+0x449/0x710 [ 204.472356][ T10] netlink_sendmsg+0x723/0xbe0 [ 204.472356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 204.472356][ T10] ___sys_sendmsg+0xee/0x170 [ 204.472356][ T10] __sys_sendmsg+0xcd/0x170 [ 204.472356][ T10] do_syscall_64+0xc6/0x1e0 [ 204.472356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 204.472356][ T10] [ 204.474640][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 204.474640][ T10] netdev_get_by_index+0x5e/0x80 [ 204.474640][ T10] fib6_nh_init+0x3d8/0x1580 [ 204.474640][ T10] ip6_route_info_create+0xf18/0x17d0 [ 204.474640][ T10] ip6_route_add+0x1c/0x140 [ 204.474640][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 204.474640][ T10] addrconf_add_dev+0xe2/0x170 [ 204.474640][ T10] inet6_addr_add+0x12f/0xa40 [ 204.474640][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 204.474640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 204.474640][ T10] netlink_rcv_skb+0x130/0x360 [ 204.474640][ T10] netlink_unicast+0x449/0x710 [ 204.474640][ T10] netlink_sendmsg+0x723/0xbe0 [ 204.474640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 204.474640][ T10] ___sys_sendmsg+0xee/0x170 [ 204.474640][ T10] __sys_sendmsg+0xcd/0x170 [ 204.474640][ T10] do_syscall_64+0xc6/0x1e0 [ 204.474640][ T10] [ 204.476892][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 204.476892][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 204.476892][ T10] ipv6_find_idev+0x102/0x170 [ 204.476892][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 204.476892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 204.476892][ T10] netlink_rcv_skb+0x130/0x360 [ 204.476892][ T10] netlink_unicast+0x449/0x710 [ 204.476892][ T10] netlink_sendmsg+0x723/0xbe0 [ 204.476892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 204.476892][ T10] ___sys_sendmsg+0xee/0x170 [ 204.476892][ T10] __sys_sendmsg+0xcd/0x170 [ 204.476892][ T10] do_syscall_64+0xc6/0x1e0 [ 204.476892][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 204.476892][ T10] [ 204.478714][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 204.478714][ T10] neigh_parms_alloc+0x1e5/0x510 [ 204.478714][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 204.478714][ T10] ipv6_find_idev+0x102/0x170 [ 204.478714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 204.478714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 204.478714][ T10] netlink_rcv_skb+0x130/0x360 [ 204.478714][ T10] netlink_unicast+0x449/0x710 [ 204.478714][ T10] netlink_sendmsg+0x723/0xbe0 [ 204.478714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 204.478714][ T10] ___sys_sendmsg+0xee/0x170 [ 204.478714][ T10] __sys_sendmsg+0xcd/0x170 [ 204.478714][ T10] do_syscall_64+0xc6/0x1e0 [ 204.478714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 204.478714][ T10] [ 204.480655][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 204.481547][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 204.481547][ T10] netdev_get_by_index+0x5e/0x80 [ 204.481547][ T10] fib6_nh_init+0x3d8/0x1580 [ 204.481547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 204.481547][ T10] addrconf_f6i_alloc+0x265/0x560 [ 204.481547][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 204.481547][ T10] addrconf_join_anycast+0x1c0/0x220 [ 204.481547][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 204.481547][ T10] addrconf_dad_completed+0x12b/0xe20 [ 204.481547][ T10] addrconf_dad_begin+0x310/0x670 [ 204.481547][ T10] addrconf_dad_work+0x10b/0xab0 [ 204.481547][ T10] process_one_work+0x84d/0x18a0 [ 204.481547][ T10] worker_thread+0x587/0xd30 [ 204.481547][ T10] kthread+0x28a/0x350 [ 204.481547][ T10] ret_from_fork+0x31/0x70 [ 204.481547][ T10] ret_from_fork_asm+0x1a/0x30 [ 204.481547][ T10] [ 204.483577][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 204.483577][ T10] netdev_get_by_index+0x5e/0x80 [ 204.483577][ T10] fib6_nh_init+0x3d8/0x1580 [ 204.483577][ T10] ip6_route_info_create+0xf18/0x17d0 [ 204.483577][ T10] ip6_route_add+0x1c/0x140 [ 204.483577][ T10] addrconf_prefix_route+0x2a6/0x430 [ 204.483577][ T10] inet6_addr_add+0x4f8/0xa40 [ 204.483577][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 204.483577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 204.483577][ T10] netlink_rcv_skb+0x130/0x360 [ 204.483577][ T10] netlink_unicast+0x449/0x710 [ 204.483577][ T10] netlink_sendmsg+0x723/0xbe0 [ 204.483577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 204.483577][ T10] ___sys_sendmsg+0xee/0x170 [ 204.483577][ T10] __sys_sendmsg+0xcd/0x170 [ 204.483577][ T10] do_syscall_64+0xc6/0x1e0 [ 204.483577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 204.483577][ T10] [ 204.485697][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 204.485697][ T10] netdev_get_by_index+0x5e/0x80 [ 204.485697][ T10] fib6_nh_init+0x3d8/0x1580 [ 204.485697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 204.485697][ T10] addrconf_f6i_alloc+0x315/0x560 [ 204.485697][ T10] ipv6_add_addr+0x411/0x2000 [ 204.485697][ T10] inet6_addr_add+0x30e/0xa40 [ 204.485697][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 204.485697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 204.485697][ T10] netlink_rcv_skb+0x130/0x360 [ 204.485697][ T10] netlink_unicast+0x449/0x710 [ 204.485697][ T10] netlink_sendmsg+0x723/0xbe0 [ 204.485697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 204.485697][ T10] ___sys_sendmsg+0xee/0x170 [ 204.485697][ T10] __sys_sendmsg+0xcd/0x170 [ 204.485697][ T10] do_syscall_64+0xc6/0x1e0 [ 204.485697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 204.485697][ T10] [ 204.487802][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 204.487802][ T10] netdev_get_by_index+0x5e/0x80 [ 204.487802][ T10] fib6_nh_init+0x3d8/0x1580 [ 204.487802][ T10] ip6_route_info_create+0xf18/0x17d0 [ 204.487802][ T10] ip6_route_add+0x1c/0x140 [ 204.487802][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 204.487802][ T10] addrconf_add_dev+0xe2/0x170 [ 204.487802][ T10] inet6_addr_add+0x12f/0xa40 [ 204.487802][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 204.487802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 204.487802][ T10] netlink_rcv_skb+0x130/0x360 [ 204.487802][ T10] netlink_unicast+0x449/0x710 [ 204.487802][ T10] netlink_sendmsg+0x723/0xbe0 [ 204.487802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 204.487802][ T10] ___sys_sendmsg+0xee/0x170 [ 204.487802][ T10] __sys_sendmsg+0xcd/0x170 [ 204.487802][ T10] do_syscall_64+0xc6/0x1e0 [ 204.487802][ T10] [ 204.489867][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 204.489867][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 204.489867][ T10] ipv6_find_idev+0x102/0x170 [ 204.489867][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 204.489867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 204.489867][ T10] netlink_rcv_skb+0x130/0x360 [ 204.489867][ T10] netlink_unicast+0x449/0x710 [ 204.489867][ T10] netlink_sendmsg+0x723/0xbe0 [ 204.489867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 204.489867][ T10] ___sys_sendmsg+0xee/0x170 [ 204.489867][ T10] __sys_sendmsg+0xcd/0x170 [ 204.489867][ T10] do_syscall_64+0xc6/0x1e0 [ 204.489867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 204.489867][ T10] [ 204.491514][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 204.491514][ T10] neigh_parms_alloc+0x1e5/0x510 [ 204.491514][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 204.491514][ T10] ipv6_find_idev+0x102/0x170 [ 204.491514][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 204.491514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 204.491514][ T10] netlink_rcv_skb+0x130/0x360 [ 204.491514][ T10] netlink_unicast+0x449/0x710 [ 204.491514][ T10] netlink_sendmsg+0x723/0xbe0 [ 204.491514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 204.491514][ T10] ___sys_sendmsg+0xee/0x170 [ 204.491514][ T10] __sys_sendmsg+0xcd/0x170 [ 204.491514][ T10] do_syscall_64+0xc6/0x1e0 [ 204.491514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 204.491514][ T10] [ 214.529160][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 214.529627][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 214.529627][ T10] netdev_get_by_index+0x5e/0x80 [ 214.529627][ T10] fib6_nh_init+0x3d8/0x1580 [ 214.529627][ T10] ip6_route_info_create+0xf18/0x17d0 [ 214.529627][ T10] addrconf_f6i_alloc+0x265/0x560 [ 214.529627][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 214.529627][ T10] addrconf_join_anycast+0x1c0/0x220 [ 214.529627][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 214.529627][ T10] addrconf_dad_completed+0x12b/0xe20 [ 214.529627][ T10] addrconf_dad_begin+0x310/0x670 [ 214.529627][ T10] addrconf_dad_work+0x10b/0xab0 [ 214.529627][ T10] process_one_work+0x84d/0x18a0 [ 214.529627][ T10] worker_thread+0x587/0xd30 [ 214.529627][ T10] kthread+0x28a/0x350 [ 214.529627][ T10] ret_from_fork+0x31/0x70 [ 214.529627][ T10] ret_from_fork_asm+0x1a/0x30 [ 214.529627][ T10] [ 214.532882][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 214.532882][ T10] netdev_get_by_index+0x5e/0x80 [ 214.532882][ T10] fib6_nh_init+0x3d8/0x1580 [ 214.532882][ T10] ip6_route_info_create+0xf18/0x17d0 [ 214.532882][ T10] ip6_route_add+0x1c/0x140 [ 214.532882][ T10] addrconf_prefix_route+0x2a6/0x430 [ 214.532882][ T10] inet6_addr_add+0x4f8/0xa40 [ 214.532882][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 214.532882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 214.532882][ T10] netlink_rcv_skb+0x130/0x360 [ 214.532882][ T10] netlink_unicast+0x449/0x710 [ 214.532882][ T10] netlink_sendmsg+0x723/0xbe0 [ 214.532882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 214.532882][ T10] ___sys_sendmsg+0xee/0x170 [ 214.532882][ T10] __sys_sendmsg+0xcd/0x170 [ 214.532882][ T10] do_syscall_64+0xc6/0x1e0 [ 214.532882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 214.532882][ T10] [ 214.536299][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 214.536299][ T10] netdev_get_by_index+0x5e/0x80 [ 214.536299][ T10] fib6_nh_init+0x3d8/0x1580 [ 214.536299][ T10] ip6_route_info_create+0xf18/0x17d0 [ 214.536299][ T10] addrconf_f6i_alloc+0x315/0x560 [ 214.536299][ T10] ipv6_add_addr+0x411/0x2000 [ 214.536299][ T10] inet6_addr_add+0x30e/0xa40 [ 214.536299][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 214.536299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 214.536299][ T10] netlink_rcv_skb+0x130/0x360 [ 214.536299][ T10] netlink_unicast+0x449/0x710 [ 214.536299][ T10] netlink_sendmsg+0x723/0xbe0 [ 214.536299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 214.536299][ T10] ___sys_sendmsg+0xee/0x170 [ 214.536299][ T10] __sys_sendmsg+0xcd/0x170 [ 214.536299][ T10] do_syscall_64+0xc6/0x1e0 [ 214.536299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 214.536299][ T10] [ 214.539650][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 214.539650][ T10] netdev_get_by_index+0x5e/0x80 [ 214.539650][ T10] fib6_nh_init+0x3d8/0x1580 [ 214.539650][ T10] ip6_route_info_create+0xf18/0x17d0 [ 214.539650][ T10] ip6_route_add+0x1c/0x140 [ 214.539650][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 214.539650][ T10] addrconf_add_dev+0xe2/0x170 [ 214.539650][ T10] inet6_addr_add+0x12f/0xa40 [ 214.539650][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 214.539650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 214.539650][ T10] netlink_rcv_skb+0x130/0x360 [ 214.539650][ T10] netlink_unicast+0x449/0x710 [ 214.539650][ T10] netlink_sendmsg+0x723/0xbe0 [ 214.539650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 214.539650][ T10] ___sys_sendmsg+0xee/0x170 [ 214.539650][ T10] __sys_sendmsg+0xcd/0x170 [ 214.539650][ T10] do_syscall_64+0xc6/0x1e0 [ 214.539650][ T10] [ 214.542475][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 214.542475][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 214.542475][ T10] ipv6_find_idev+0x102/0x170 [ 214.542475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 214.542475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 214.542475][ T10] netlink_rcv_skb+0x130/0x360 [ 214.542475][ T10] netlink_unicast+0x449/0x710 [ 214.542475][ T10] netlink_sendmsg+0x723/0xbe0 [ 214.542475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 214.542475][ T10] ___sys_sendmsg+0xee/0x170 [ 214.542475][ T10] __sys_sendmsg+0xcd/0x170 [ 214.542475][ T10] do_syscall_64+0xc6/0x1e0 [ 214.542475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 214.542475][ T10] [ 214.544101][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 214.544101][ T10] neigh_parms_alloc+0x1e5/0x510 [ 214.544101][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 214.544101][ T10] ipv6_find_idev+0x102/0x170 [ 214.544101][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 214.544101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 214.544101][ T10] netlink_rcv_skb+0x130/0x360 [ 214.544101][ T10] netlink_unicast+0x449/0x710 [ 214.544101][ T10] netlink_sendmsg+0x723/0xbe0 [ 214.544101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 214.544101][ T10] ___sys_sendmsg+0xee/0x170 [ 214.544101][ T10] __sys_sendmsg+0xcd/0x170 [ 214.544101][ T10] do_syscall_64+0xc6/0x1e0 [ 214.544101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 214.544101][ T10] [ 214.545931][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 214.546218][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 214.546218][ T10] netdev_get_by_index+0x5e/0x80 [ 214.546218][ T10] fib6_nh_init+0x3d8/0x1580 [ 214.546218][ T10] ip6_route_info_create+0xf18/0x17d0 [ 214.546218][ T10] addrconf_f6i_alloc+0x265/0x560 [ 214.546218][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 214.546218][ T10] addrconf_join_anycast+0x1c0/0x220 [ 214.546218][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 214.546218][ T10] addrconf_dad_completed+0x12b/0xe20 [ 214.546218][ T10] addrconf_dad_begin+0x310/0x670 [ 214.546218][ T10] addrconf_dad_work+0x10b/0xab0 [ 214.546218][ T10] process_one_work+0x84d/0x18a0 [ 214.546218][ T10] worker_thread+0x587/0xd30 [ 214.546218][ T10] kthread+0x28a/0x350 [ 214.546218][ T10] ret_from_fork+0x31/0x70 [ 214.546218][ T10] ret_from_fork_asm+0x1a/0x30 [ 214.546218][ T10] [ 214.548228][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 214.548228][ T10] netdev_get_by_index+0x5e/0x80 [ 214.548228][ T10] fib6_nh_init+0x3d8/0x1580 [ 214.548228][ T10] ip6_route_info_create+0xf18/0x17d0 [ 214.548228][ T10] ip6_route_add+0x1c/0x140 [ 214.548228][ T10] addrconf_prefix_route+0x2a6/0x430 [ 214.548228][ T10] inet6_addr_add+0x4f8/0xa40 [ 214.548228][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 214.548228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 214.548228][ T10] netlink_rcv_skb+0x130/0x360 [ 214.548228][ T10] netlink_unicast+0x449/0x710 [ 214.548228][ T10] netlink_sendmsg+0x723/0xbe0 [ 214.548228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 214.548228][ T10] ___sys_sendmsg+0xee/0x170 [ 214.548228][ T10] __sys_sendmsg+0xcd/0x170 [ 214.548228][ T10] do_syscall_64+0xc6/0x1e0 [ 214.548228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 214.548228][ T10] [ 214.550318][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 214.550318][ T10] netdev_get_by_index+0x5e/0x80 [ 214.550318][ T10] fib6_nh_init+0x3d8/0x1580 [ 214.550318][ T10] ip6_route_info_create+0xf18/0x17d0 [ 214.550318][ T10] addrconf_f6i_alloc+0x315/0x560 [ 214.550318][ T10] ipv6_add_addr+0x411/0x2000 [ 214.550318][ T10] inet6_addr_add+0x30e/0xa40 [ 214.550318][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 214.550318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 214.550318][ T10] netlink_rcv_skb+0x130/0x360 [ 214.550318][ T10] netlink_unicast+0x449/0x710 [ 214.550318][ T10] netlink_sendmsg+0x723/0xbe0 [ 214.550318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 214.550318][ T10] ___sys_sendmsg+0xee/0x170 [ 214.550318][ T10] __sys_sendmsg+0xcd/0x170 [ 214.550318][ T10] do_syscall_64+0xc6/0x1e0 [ 214.550318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 214.550318][ T10] [ 214.552388][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 214.552388][ T10] netdev_get_by_index+0x5e/0x80 [ 214.552388][ T10] fib6_nh_init+0x3d8/0x1580 [ 214.552388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 214.552388][ T10] ip6_route_add+0x1c/0x140 [ 214.552388][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 214.552388][ T10] addrconf_add_dev+0xe2/0x170 [ 214.552388][ T10] inet6_addr_add+0x12f/0xa40 [ 214.552388][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 214.552388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 214.552388][ T10] netlink_rcv_skb+0x130/0x360 [ 214.552388][ T10] netlink_unicast+0x449/0x710 [ 214.552388][ T10] netlink_sendmsg+0x723/0xbe0 [ 214.552388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 214.552388][ T10] ___sys_sendmsg+0xee/0x170 [ 214.552388][ T10] __sys_sendmsg+0xcd/0x170 [ 214.552388][ T10] do_syscall_64+0xc6/0x1e0 [ 214.552388][ T10] [ 214.554424][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 214.554424][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 214.554424][ T10] ipv6_find_idev+0x102/0x170 [ 214.554424][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 214.554424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 214.554424][ T10] netlink_rcv_skb+0x130/0x360 [ 214.554424][ T10] netlink_unicast+0x449/0x710 [ 214.554424][ T10] netlink_sendmsg+0x723/0xbe0 [ 214.554424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 214.554424][ T10] ___sys_sendmsg+0xee/0x170 [ 214.554424][ T10] __sys_sendmsg+0xcd/0x170 [ 214.554424][ T10] do_syscall_64+0xc6/0x1e0 [ 214.554424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 214.554424][ T10] [ 214.556042][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 214.556042][ T10] neigh_parms_alloc+0x1e5/0x510 [ 214.556042][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 214.556042][ T10] ipv6_find_idev+0x102/0x170 [ 214.556042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 214.556042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 214.556042][ T10] netlink_rcv_skb+0x130/0x360 [ 214.556042][ T10] netlink_unicast+0x449/0x710 [ 214.556042][ T10] netlink_sendmsg+0x723/0xbe0 [ 214.556042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 214.556042][ T10] ___sys_sendmsg+0xee/0x170 [ 214.556042][ T10] __sys_sendmsg+0xcd/0x170 [ 214.556042][ T10] do_syscall_64+0xc6/0x1e0 [ 214.556042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 214.556042][ T10] [ 214.557841][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 214.558110][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 214.558110][ T10] netdev_get_by_index+0x5e/0x80 [ 214.558110][ T10] fib6_nh_init+0x3d8/0x1580 [ 214.558110][ T10] ip6_route_info_create+0xf18/0x17d0 [ 214.558110][ T10] addrconf_f6i_alloc+0x265/0x560 [ 214.558110][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 214.558110][ T10] addrconf_join_anycast+0x1c0/0x220 [ 214.558110][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 214.558110][ T10] addrconf_dad_completed+0x12b/0xe20 [ 214.558110][ T10] addrconf_dad_begin+0x310/0x670 [ 214.558110][ T10] addrconf_dad_work+0x10b/0xab0 [ 214.558110][ T10] process_one_work+0x84d/0x18a0 [ 214.558110][ T10] worker_thread+0x587/0xd30 [ 214.558110][ T10] kthread+0x28a/0x350 [ 214.558110][ T10] ret_from_fork+0x31/0x70 [ 214.558110][ T10] ret_from_fork_asm+0x1a/0x30 [ 214.558110][ T10] [ 214.560102][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 214.560102][ T10] netdev_get_by_index+0x5e/0x80 [ 214.560102][ T10] fib6_nh_init+0x3d8/0x1580 [ 214.560102][ T10] ip6_route_info_create+0xf18/0x17d0 [ 214.560102][ T10] ip6_route_add+0x1c/0x140 [ 214.560102][ T10] addrconf_prefix_route+0x2a6/0x430 [ 214.560102][ T10] inet6_addr_add+0x4f8/0xa40 [ 214.560102][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 214.560102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 214.560102][ T10] netlink_rcv_skb+0x130/0x360 [ 214.560102][ T10] netlink_unicast+0x449/0x710 [ 214.560102][ T10] netlink_sendmsg+0x723/0xbe0 [ 214.560102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 214.560102][ T10] ___sys_sendmsg+0xee/0x170 [ 214.560102][ T10] __sys_sendmsg+0xcd/0x170 [ 214.560102][ T10] do_syscall_64+0xc6/0x1e0 [ 214.560102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 214.560102][ T10] [ 214.562470][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 214.562470][ T10] netdev_get_by_index+0x5e/0x80 [ 214.562470][ T10] fib6_nh_init+0x3d8/0x1580 [ 214.562470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 214.562470][ T10] addrconf_f6i_alloc+0x315/0x560 [ 214.562470][ T10] ipv6_add_addr+0x411/0x2000 [ 214.562470][ T10] inet6_addr_add+0x30e/0xa40 [ 214.562470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 214.562470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 214.562470][ T10] netlink_rcv_skb+0x130/0x360 [ 214.562470][ T10] netlink_unicast+0x449/0x710 [ 214.562470][ T10] netlink_sendmsg+0x723/0xbe0 [ 214.562470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 214.562470][ T10] ___sys_sendmsg+0xee/0x170 [ 214.562470][ T10] __sys_sendmsg+0xcd/0x170 [ 214.562470][ T10] do_syscall_64+0xc6/0x1e0 [ 214.562470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 214.562470][ T10] [ 214.564726][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 214.564726][ T10] netdev_get_by_index+0x5e/0x80 [ 214.564726][ T10] fib6_nh_init+0x3d8/0x1580 [ 214.564726][ T10] ip6_route_info_create+0xf18/0x17d0 [ 214.564726][ T10] ip6_route_add+0x1c/0x140 [ 214.564726][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 214.564726][ T10] addrconf_add_dev+0xe2/0x170 [ 214.564726][ T10] inet6_addr_add+0x12f/0xa40 [ 214.564726][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 214.564726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 214.564726][ T10] netlink_rcv_skb+0x130/0x360 [ 214.564726][ T10] netlink_unicast+0x449/0x710 [ 214.564726][ T10] netlink_sendmsg+0x723/0xbe0 [ 214.564726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 214.564726][ T10] ___sys_sendmsg+0xee/0x170 [ 214.564726][ T10] __sys_sendmsg+0xcd/0x170 [ 214.564726][ T10] do_syscall_64+0xc6/0x1e0 [ 214.564726][ T10] [ 214.566992][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 214.566992][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 214.566992][ T10] ipv6_find_idev+0x102/0x170 [ 214.566992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 214.566992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 214.566992][ T10] netlink_rcv_skb+0x130/0x360 [ 214.566992][ T10] netlink_unicast+0x449/0x710 [ 214.566992][ T10] netlink_sendmsg+0x723/0xbe0 [ 214.566992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 214.566992][ T10] ___sys_sendmsg+0xee/0x170 [ 214.566992][ T10] __sys_sendmsg+0xcd/0x170 [ 214.566992][ T10] do_syscall_64+0xc6/0x1e0 [ 214.566992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 214.566992][ T10] [ 214.568913][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 214.568913][ T10] neigh_parms_alloc+0x1e5/0x510 [ 214.568913][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 214.568913][ T10] ipv6_find_idev+0x102/0x170 [ 214.568913][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 214.568913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 214.568913][ T10] netlink_rcv_skb+0x130/0x360 [ 214.568913][ T10] netlink_unicast+0x449/0x710 [ 214.568913][ T10] netlink_sendmsg+0x723/0xbe0 [ 214.568913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 214.568913][ T10] ___sys_sendmsg+0xee/0x170 [ 214.568913][ T10] __sys_sendmsg+0xcd/0x170 [ 214.568913][ T10] do_syscall_64+0xc6/0x1e0 [ 214.568913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 214.568913][ T10] [ 214.571014][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 214.571371][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 214.571371][ T10] netdev_get_by_index+0x5e/0x80 [ 214.571371][ T10] fib6_nh_init+0x3d8/0x1580 [ 214.571371][ T10] ip6_route_info_create+0xf18/0x17d0 [ 214.571371][ T10] addrconf_f6i_alloc+0x265/0x560 [ 214.571371][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 214.571371][ T10] addrconf_join_anycast+0x1c0/0x220 [ 214.571371][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 214.571371][ T10] addrconf_dad_completed+0x12b/0xe20 [ 214.571371][ T10] addrconf_dad_begin+0x310/0x670 [ 214.571371][ T10] addrconf_dad_work+0x10b/0xab0 [ 214.571371][ T10] process_one_work+0x84d/0x18a0 [ 214.571371][ T10] worker_thread+0x587/0xd30 [ 214.571371][ T10] kthread+0x28a/0x350 [ 214.571371][ T10] ret_from_fork+0x31/0x70 [ 214.571371][ T10] ret_from_fork_asm+0x1a/0x30 [ 214.571371][ T10] [ 214.573710][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 214.573710][ T10] netdev_get_by_index+0x5e/0x80 [ 214.573710][ T10] fib6_nh_init+0x3d8/0x1580 [ 214.573710][ T10] ip6_route_info_create+0xf18/0x17d0 [ 214.573710][ T10] ip6_route_add+0x1c/0x140 [ 214.573710][ T10] addrconf_prefix_route+0x2a6/0x430 [ 214.573710][ T10] inet6_addr_add+0x4f8/0xa40 [ 214.573710][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 214.573710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 214.573710][ T10] netlink_rcv_skb+0x130/0x360 [ 214.573710][ T10] netlink_unicast+0x449/0x710 [ 214.573710][ T10] netlink_sendmsg+0x723/0xbe0 [ 214.573710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 214.573710][ T10] ___sys_sendmsg+0xee/0x170 [ 214.573710][ T10] __sys_sendmsg+0xcd/0x170 [ 214.573710][ T10] do_syscall_64+0xc6/0x1e0 [ 214.573710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 214.573710][ T10] [ 214.576204][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 214.576204][ T10] netdev_get_by_index+0x5e/0x80 [ 214.576204][ T10] fib6_nh_init+0x3d8/0x1580 [ 214.576204][ T10] ip6_route_info_create+0xf18/0x17d0 [ 214.576204][ T10] addrconf_f6i_alloc+0x315/0x560 [ 214.576204][ T10] ipv6_add_addr+0x411/0x2000 [ 214.576204][ T10] inet6_addr_add+0x30e/0xa40 [ 214.576204][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 214.576204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 214.576204][ T10] netlink_rcv_skb+0x130/0x360 [ 214.576204][ T10] netlink_unicast+0x449/0x710 [ 214.576204][ T10] netlink_sendmsg+0x723/0xbe0 [ 214.576204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 214.576204][ T10] ___sys_sendmsg+0xee/0x170 [ 214.576204][ T10] __sys_sendmsg+0xcd/0x170 [ 214.576204][ T10] do_syscall_64+0xc6/0x1e0 [ 214.576204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 214.576204][ T10] [ 214.578694][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 214.578694][ T10] netdev_get_by_index+0x5e/0x80 [ 214.578694][ T10] fib6_nh_init+0x3d8/0x1580 [ 214.578694][ T10] ip6_route_info_create+0xf18/0x17d0 [ 214.578694][ T10] ip6_route_add+0x1c/0x140 [ 214.578694][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 214.578694][ T10] addrconf_add_dev+0xe2/0x170 [ 214.578694][ T10] inet6_addr_add+0x12f/0xa40 [ 214.578694][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 214.578694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 214.578694][ T10] netlink_rcv_skb+0x130/0x360 [ 214.578694][ T10] netlink_unicast+0x449/0x710 [ 214.578694][ T10] netlink_sendmsg+0x723/0xbe0 [ 214.578694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 214.578694][ T10] ___sys_sendmsg+0xee/0x170 [ 214.578694][ T10] __sys_sendmsg+0xcd/0x170 [ 214.578694][ T10] do_syscall_64+0xc6/0x1e0 [ 214.578694][ T10] [ 214.580994][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 214.580994][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 214.580994][ T10] ipv6_find_idev+0x102/0x170 [ 214.580994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 214.580994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 214.580994][ T10] netlink_rcv_skb+0x130/0x360 [ 214.580994][ T10] netlink_unicast+0x449/0x710 [ 214.580994][ T10] netlink_sendmsg+0x723/0xbe0 [ 214.580994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 214.580994][ T10] ___sys_sendmsg+0xee/0x170 [ 214.580994][ T10] __sys_sendmsg+0xcd/0x170 [ 214.580994][ T10] do_syscall_64+0xc6/0x1e0 [ 214.580994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 214.580994][ T10] [ 214.582848][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 214.582848][ T10] neigh_parms_alloc+0x1e5/0x510 [ 214.582848][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 214.582848][ T10] ipv6_find_idev+0x102/0x170 [ 214.582848][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 214.582848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 214.582848][ T10] netlink_rcv_skb+0x130/0x360 [ 214.582848][ T10] netlink_unicast+0x449/0x710 [ 214.582848][ T10] netlink_sendmsg+0x723/0xbe0 [ 214.582848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 214.582848][ T10] ___sys_sendmsg+0xee/0x170 [ 214.582848][ T10] __sys_sendmsg+0xcd/0x170 [ 214.582848][ T10] do_syscall_64+0xc6/0x1e0 [ 214.582848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 214.582848][ T10] [ 218.369099][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 218.369722][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 218.369722][ T1167] dst_init+0x84/0x4a0 [ 218.369722][ T1167] dst_alloc+0x97/0x150 [ 218.369722][ T1167] ip6_dst_alloc+0x23/0x90 [ 218.369722][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 218.369722][ T1167] ip6_pol_route+0x56f/0x840 [ 218.369722][ T1167] fib6_rule_lookup+0x334/0x630 [ 218.369722][ T1167] ip6_route_output_flags+0x259/0x480 [ 218.369722][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 218.369722][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 218.369722][ T1167] netlink_rcv_skb+0x130/0x360 [ 218.369722][ T1167] netlink_unicast+0x449/0x710 [ 218.369722][ T1167] netlink_sendmsg+0x723/0xbe0 [ 218.369722][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 218.369722][ T1167] ___sys_sendmsg+0xee/0x170 [ 218.369722][ T1167] __sys_sendmsg+0xcd/0x170 [ 218.369722][ T1167] do_syscall_64+0xc6/0x1e0 [ 218.369722][ T1167] [ 218.372537][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 218.372537][ T1167] netdev_get_by_index+0x5e/0x80 [ 218.372537][ T1167] fib6_nh_init+0x3d8/0x1580 [ 218.372537][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 218.372537][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 218.372537][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 218.372537][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 218.372537][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 218.372537][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 218.372537][ T1167] addrconf_dad_begin+0x310/0x670 [ 218.372537][ T1167] addrconf_dad_work+0x10b/0xab0 [ 218.372537][ T1167] process_one_work+0x84d/0x18a0 [ 218.372537][ T1167] worker_thread+0x587/0xd30 [ 218.372537][ T1167] kthread+0x28a/0x350 [ 218.372537][ T1167] ret_from_fork+0x31/0x70 [ 218.372537][ T1167] ret_from_fork_asm+0x1a/0x30 [ 218.372537][ T1167] [ 218.374925][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 218.374925][ T1167] netdev_get_by_index+0x5e/0x80 [ 218.374925][ T1167] fib6_nh_init+0x3d8/0x1580 [ 218.374925][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 218.374925][ T1167] ip6_route_add+0x1c/0x140 [ 218.374925][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 218.374925][ T1167] inet6_addr_add+0x4f8/0xa40 [ 218.374925][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 218.374925][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.374925][ T1167] netlink_rcv_skb+0x130/0x360 [ 218.374925][ T1167] netlink_unicast+0x449/0x710 [ 218.374925][ T1167] netlink_sendmsg+0x723/0xbe0 [ 218.374925][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 218.374925][ T1167] ___sys_sendmsg+0xee/0x170 [ 218.374925][ T1167] __sys_sendmsg+0xcd/0x170 [ 218.374925][ T1167] do_syscall_64+0xc6/0x1e0 [ 218.374925][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.374925][ T1167] [ 218.377357][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 218.377357][ T1167] netdev_get_by_index+0x5e/0x80 [ 218.377357][ T1167] fib6_nh_init+0x3d8/0x1580 [ 218.377357][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 218.377357][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 218.377357][ T1167] ipv6_add_addr+0x411/0x2000 [ 218.377357][ T1167] inet6_addr_add+0x30e/0xa40 [ 218.377357][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 218.377357][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.377357][ T1167] netlink_rcv_skb+0x130/0x360 [ 218.377357][ T1167] netlink_unicast+0x449/0x710 [ 218.377357][ T1167] netlink_sendmsg+0x723/0xbe0 [ 218.377357][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 218.377357][ T1167] ___sys_sendmsg+0xee/0x170 [ 218.377357][ T1167] __sys_sendmsg+0xcd/0x170 [ 218.377357][ T1167] do_syscall_64+0xc6/0x1e0 [ 218.377357][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.377357][ T1167] [ 218.379872][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 218.379872][ T1167] netdev_get_by_index+0x5e/0x80 [ 218.379872][ T1167] fib6_nh_init+0x3d8/0x1580 [ 218.379872][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 218.379872][ T1167] ip6_route_add+0x1c/0x140 [ 218.379872][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 218.379872][ T1167] addrconf_add_dev+0xe2/0x170 [ 218.379872][ T1167] inet6_addr_add+0x12f/0xa40 [ 218.379872][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 218.379872][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.379872][ T1167] netlink_rcv_skb+0x130/0x360 [ 218.379872][ T1167] netlink_unicast+0x449/0x710 [ 218.379872][ T1167] netlink_sendmsg+0x723/0xbe0 [ 218.379872][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 218.379872][ T1167] ___sys_sendmsg+0xee/0x170 [ 218.379872][ T1167] __sys_sendmsg+0xcd/0x170 [ 218.379872][ T1167] do_syscall_64+0xc6/0x1e0 [ 218.379872][ T1167] [ 218.382346][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 218.382346][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 218.382346][ T1167] ipv6_find_idev+0x102/0x170 [ 218.382346][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 218.382346][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.382346][ T1167] netlink_rcv_skb+0x130/0x360 [ 218.382346][ T1167] netlink_unicast+0x449/0x710 [ 218.382346][ T1167] netlink_sendmsg+0x723/0xbe0 [ 218.382346][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 218.382346][ T1167] ___sys_sendmsg+0xee/0x170 [ 218.382346][ T1167] __sys_sendmsg+0xcd/0x170 [ 218.382346][ T1167] do_syscall_64+0xc6/0x1e0 [ 218.382346][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.382346][ T1167] [ 218.384174][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 218.384174][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 218.384174][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 218.384174][ T1167] ipv6_find_idev+0x102/0x170 [ 218.384174][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 218.384174][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.384174][ T1167] netlink_rcv_skb+0x130/0x360 [ 218.384174][ T1167] netlink_unicast+0x449/0x710 [ 218.384174][ T1167] netlink_sendmsg+0x723/0xbe0 [ 218.384174][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 218.384174][ T1167] ___sys_sendmsg+0xee/0x170 [ 218.384174][ T1167] __sys_sendmsg+0xcd/0x170 [ 218.384174][ T1167] do_syscall_64+0xc6/0x1e0 [ 218.384174][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.384174][ T1167] [ 224.825112][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 224.825618][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 224.825618][ T10] netdev_get_by_index+0x5e/0x80 [ 224.825618][ T10] fib6_nh_init+0x3d8/0x1580 [ 224.825618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 224.825618][ T10] addrconf_f6i_alloc+0x265/0x560 [ 224.825618][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 224.825618][ T10] addrconf_join_anycast+0x1c0/0x220 [ 224.825618][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 224.825618][ T10] addrconf_dad_completed+0x12b/0xe20 [ 224.825618][ T10] addrconf_dad_begin+0x310/0x670 [ 224.825618][ T10] addrconf_dad_work+0x10b/0xab0 [ 224.825618][ T10] process_one_work+0x84d/0x18a0 [ 224.825618][ T10] worker_thread+0x587/0xd30 [ 224.825618][ T10] kthread+0x28a/0x350 [ 224.825618][ T10] ret_from_fork+0x31/0x70 [ 224.825618][ T10] ret_from_fork_asm+0x1a/0x30 [ 224.825618][ T10] [ 224.828667][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 224.828667][ T10] netdev_get_by_index+0x5e/0x80 [ 224.828667][ T10] fib6_nh_init+0x3d8/0x1580 [ 224.828667][ T10] ip6_route_info_create+0xf18/0x17d0 [ 224.828667][ T10] ip6_route_add+0x1c/0x140 [ 224.828667][ T10] addrconf_prefix_route+0x2a6/0x430 [ 224.828667][ T10] inet6_addr_add+0x4f8/0xa40 [ 224.828667][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 224.828667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 224.828667][ T10] netlink_rcv_skb+0x130/0x360 [ 224.828667][ T10] netlink_unicast+0x449/0x710 [ 224.828667][ T10] netlink_sendmsg+0x723/0xbe0 [ 224.828667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 224.828667][ T10] ___sys_sendmsg+0xee/0x170 [ 224.828667][ T10] __sys_sendmsg+0xcd/0x170 [ 224.828667][ T10] do_syscall_64+0xc6/0x1e0 [ 224.828667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 224.828667][ T10] [ 224.830986][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 224.830986][ T10] netdev_get_by_index+0x5e/0x80 [ 224.830986][ T10] fib6_nh_init+0x3d8/0x1580 [ 224.830986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 224.830986][ T10] addrconf_f6i_alloc+0x315/0x560 [ 224.830986][ T10] ipv6_add_addr+0x411/0x2000 [ 224.830986][ T10] inet6_addr_add+0x30e/0xa40 [ 224.830986][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 224.830986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 224.830986][ T10] netlink_rcv_skb+0x130/0x360 [ 224.830986][ T10] netlink_unicast+0x449/0x710 [ 224.830986][ T10] netlink_sendmsg+0x723/0xbe0 [ 224.830986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 224.830986][ T10] ___sys_sendmsg+0xee/0x170 [ 224.830986][ T10] __sys_sendmsg+0xcd/0x170 [ 224.830986][ T10] do_syscall_64+0xc6/0x1e0 [ 224.830986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 224.830986][ T10] [ 224.833038][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 224.833038][ T10] netdev_get_by_index+0x5e/0x80 [ 224.833038][ T10] fib6_nh_init+0x3d8/0x1580 [ 224.833038][ T10] ip6_route_info_create+0xf18/0x17d0 [ 224.833038][ T10] ip6_route_add+0x1c/0x140 [ 224.833038][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 224.833038][ T10] addrconf_add_dev+0xe2/0x170 [ 224.833038][ T10] inet6_addr_add+0x12f/0xa40 [ 224.833038][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 224.833038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 224.833038][ T10] netlink_rcv_skb+0x130/0x360 [ 224.833038][ T10] netlink_unicast+0x449/0x710 [ 224.833038][ T10] netlink_sendmsg+0x723/0xbe0 [ 224.833038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 224.833038][ T10] ___sys_sendmsg+0xee/0x170 [ 224.833038][ T10] __sys_sendmsg+0xcd/0x170 [ 224.833038][ T10] do_syscall_64+0xc6/0x1e0 [ 224.833038][ T10] [ 224.835037][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 224.835037][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 224.835037][ T10] ipv6_find_idev+0x102/0x170 [ 224.835037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 224.835037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 224.835037][ T10] netlink_rcv_skb+0x130/0x360 [ 224.835037][ T10] netlink_unicast+0x449/0x710 [ 224.835037][ T10] netlink_sendmsg+0x723/0xbe0 [ 224.835037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 224.835037][ T10] ___sys_sendmsg+0xee/0x170 [ 224.835037][ T10] __sys_sendmsg+0xcd/0x170 [ 224.835037][ T10] do_syscall_64+0xc6/0x1e0 [ 224.835037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 224.835037][ T10] [ 224.836620][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 224.836620][ T10] neigh_parms_alloc+0x1e5/0x510 [ 224.836620][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 224.836620][ T10] ipv6_find_idev+0x102/0x170 [ 224.836620][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 224.836620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 224.836620][ T10] netlink_rcv_skb+0x130/0x360 [ 224.836620][ T10] netlink_unicast+0x449/0x710 [ 224.836620][ T10] netlink_sendmsg+0x723/0xbe0 [ 224.836620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 224.836620][ T10] ___sys_sendmsg+0xee/0x170 [ 224.836620][ T10] __sys_sendmsg+0xcd/0x170 [ 224.836620][ T10] do_syscall_64+0xc6/0x1e0 [ 224.836620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 224.836620][ T10] [ 224.838414][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 224.838701][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 224.838701][ T10] netdev_get_by_index+0x5e/0x80 [ 224.838701][ T10] fib6_nh_init+0x3d8/0x1580 [ 224.838701][ T10] ip6_route_info_create+0xf18/0x17d0 [ 224.838701][ T10] addrconf_f6i_alloc+0x265/0x560 [ 224.838701][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 224.838701][ T10] addrconf_join_anycast+0x1c0/0x220 [ 224.838701][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 224.838701][ T10] addrconf_dad_completed+0x12b/0xe20 [ 224.838701][ T10] addrconf_dad_begin+0x310/0x670 [ 224.838701][ T10] addrconf_dad_work+0x10b/0xab0 [ 224.838701][ T10] process_one_work+0x84d/0x18a0 [ 224.838701][ T10] worker_thread+0x587/0xd30 [ 224.838701][ T10] kthread+0x28a/0x350 [ 224.838701][ T10] ret_from_fork+0x31/0x70 [ 224.838701][ T10] ret_from_fork_asm+0x1a/0x30 [ 224.838701][ T10] [ 224.840668][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 224.840668][ T10] netdev_get_by_index+0x5e/0x80 [ 224.840668][ T10] fib6_nh_init+0x3d8/0x1580 [ 224.840668][ T10] ip6_route_info_create+0xf18/0x17d0 [ 224.840668][ T10] ip6_route_add+0x1c/0x140 [ 224.840668][ T10] addrconf_prefix_route+0x2a6/0x430 [ 224.840668][ T10] inet6_addr_add+0x4f8/0xa40 [ 224.840668][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 224.840668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 224.840668][ T10] netlink_rcv_skb+0x130/0x360 [ 224.840668][ T10] netlink_unicast+0x449/0x710 [ 224.840668][ T10] netlink_sendmsg+0x723/0xbe0 [ 224.840668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 224.840668][ T10] ___sys_sendmsg+0xee/0x170 [ 224.840668][ T10] __sys_sendmsg+0xcd/0x170 [ 224.840668][ T10] do_syscall_64+0xc6/0x1e0 [ 224.840668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 224.840668][ T10] [ 224.843475][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 224.843475][ T10] netdev_get_by_index+0x5e/0x80 [ 224.843475][ T10] fib6_nh_init+0x3d8/0x1580 [ 224.843475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 224.843475][ T10] addrconf_f6i_alloc+0x315/0x560 [ 224.843475][ T10] ipv6_add_addr+0x411/0x2000 [ 224.843475][ T10] inet6_addr_add+0x30e/0xa40 [ 224.843475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 224.843475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 224.843475][ T10] netlink_rcv_skb+0x130/0x360 [ 224.843475][ T10] netlink_unicast+0x449/0x710 [ 224.843475][ T10] netlink_sendmsg+0x723/0xbe0 [ 224.843475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 224.843475][ T10] ___sys_sendmsg+0xee/0x170 [ 224.843475][ T10] __sys_sendmsg+0xcd/0x170 [ 224.843475][ T10] do_syscall_64+0xc6/0x1e0 [ 224.843475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 224.843475][ T10] [ 224.846599][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 224.846599][ T10] netdev_get_by_index+0x5e/0x80 [ 224.846599][ T10] fib6_nh_init+0x3d8/0x1580 [ 224.846599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 224.846599][ T10] ip6_route_add+0x1c/0x140 [ 224.846599][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 224.846599][ T10] addrconf_add_dev+0xe2/0x170 [ 224.846599][ T10] inet6_addr_add+0x12f/0xa40 [ 224.846599][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 224.846599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 224.846599][ T10] netlink_rcv_skb+0x130/0x360 [ 224.846599][ T10] netlink_unicast+0x449/0x710 [ 224.846599][ T10] netlink_sendmsg+0x723/0xbe0 [ 224.846599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 224.846599][ T10] ___sys_sendmsg+0xee/0x170 [ 224.846599][ T10] __sys_sendmsg+0xcd/0x170 [ 224.846599][ T10] do_syscall_64+0xc6/0x1e0 [ 224.846599][ T10] [ 224.849744][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 224.849744][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 224.849744][ T10] ipv6_find_idev+0x102/0x170 [ 224.849744][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 224.849744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 224.849744][ T10] netlink_rcv_skb+0x130/0x360 [ 224.849744][ T10] netlink_unicast+0x449/0x710 [ 224.849744][ T10] netlink_sendmsg+0x723/0xbe0 [ 224.849744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 224.849744][ T10] ___sys_sendmsg+0xee/0x170 [ 224.849744][ T10] __sys_sendmsg+0xcd/0x170 [ 224.849744][ T10] do_syscall_64+0xc6/0x1e0 [ 224.849744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 224.849744][ T10] [ 224.851903][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 224.851903][ T10] neigh_parms_alloc+0x1e5/0x510 [ 224.851903][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 224.851903][ T10] ipv6_find_idev+0x102/0x170 [ 224.851903][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 224.851903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 224.851903][ T10] netlink_rcv_skb+0x130/0x360 [ 224.851903][ T10] netlink_unicast+0x449/0x710 [ 224.851903][ T10] netlink_sendmsg+0x723/0xbe0 [ 224.851903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 224.851903][ T10] ___sys_sendmsg+0xee/0x170 [ 224.851903][ T10] __sys_sendmsg+0xcd/0x170 [ 224.851903][ T10] do_syscall_64+0xc6/0x1e0 [ 224.851903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 224.851903][ T10] [ 224.854367][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 224.854764][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 224.854764][ T10] netdev_get_by_index+0x5e/0x80 [ 224.854764][ T10] fib6_nh_init+0x3d8/0x1580 [ 224.854764][ T10] ip6_route_info_create+0xf18/0x17d0 [ 224.854764][ T10] addrconf_f6i_alloc+0x265/0x560 [ 224.854764][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 224.854764][ T10] addrconf_join_anycast+0x1c0/0x220 [ 224.854764][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 224.854764][ T10] addrconf_dad_completed+0x12b/0xe20 [ 224.854764][ T10] addrconf_dad_begin+0x310/0x670 [ 224.854764][ T10] addrconf_dad_work+0x10b/0xab0 [ 224.854764][ T10] process_one_work+0x84d/0x18a0 [ 224.854764][ T10] worker_thread+0x587/0xd30 [ 224.854764][ T10] kthread+0x28a/0x350 [ 224.854764][ T10] ret_from_fork+0x31/0x70 [ 224.854764][ T10] ret_from_fork_asm+0x1a/0x30 [ 224.854764][ T10] [ 224.857829][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 224.857829][ T10] netdev_get_by_index+0x5e/0x80 [ 224.857829][ T10] fib6_nh_init+0x3d8/0x1580 [ 224.857829][ T10] ip6_route_info_create+0xf18/0x17d0 [ 224.857829][ T10] ip6_route_add+0x1c/0x140 [ 224.857829][ T10] addrconf_prefix_route+0x2a6/0x430 [ 224.857829][ T10] inet6_addr_add+0x4f8/0xa40 [ 224.857829][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 224.857829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 224.857829][ T10] netlink_rcv_skb+0x130/0x360 [ 224.857829][ T10] netlink_unicast+0x449/0x710 [ 224.857829][ T10] netlink_sendmsg+0x723/0xbe0 [ 224.857829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 224.857829][ T10] ___sys_sendmsg+0xee/0x170 [ 224.857829][ T10] __sys_sendmsg+0xcd/0x170 [ 224.857829][ T10] do_syscall_64+0xc6/0x1e0 [ 224.857829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 224.857829][ T10] [ 224.861339][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 224.861339][ T10] netdev_get_by_index+0x5e/0x80 [ 224.861339][ T10] fib6_nh_init+0x3d8/0x1580 [ 224.861339][ T10] ip6_route_info_create+0xf18/0x17d0 [ 224.861339][ T10] addrconf_f6i_alloc+0x315/0x560 [ 224.861339][ T10] ipv6_add_addr+0x411/0x2000 [ 224.861339][ T10] inet6_addr_add+0x30e/0xa40 [ 224.861339][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 224.861339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 224.861339][ T10] netlink_rcv_skb+0x130/0x360 [ 224.861339][ T10] netlink_unicast+0x449/0x710 [ 224.861339][ T10] netlink_sendmsg+0x723/0xbe0 [ 224.861339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 224.861339][ T10] ___sys_sendmsg+0xee/0x170 [ 224.861339][ T10] __sys_sendmsg+0xcd/0x170 [ 224.861339][ T10] do_syscall_64+0xc6/0x1e0 [ 224.861339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 224.861339][ T10] [ 224.864402][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 224.864402][ T10] netdev_get_by_index+0x5e/0x80 [ 224.864402][ T10] fib6_nh_init+0x3d8/0x1580 [ 224.864402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 224.864402][ T10] ip6_route_add+0x1c/0x140 [ 224.864402][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 224.864402][ T10] addrconf_add_dev+0xe2/0x170 [ 224.864402][ T10] inet6_addr_add+0x12f/0xa40 [ 224.864402][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 224.864402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 224.864402][ T10] netlink_rcv_skb+0x130/0x360 [ 224.864402][ T10] netlink_unicast+0x449/0x710 [ 224.864402][ T10] netlink_sendmsg+0x723/0xbe0 [ 224.864402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 224.864402][ T10] ___sys_sendmsg+0xee/0x170 [ 224.864402][ T10] __sys_sendmsg+0xcd/0x170 [ 224.864402][ T10] do_syscall_64+0xc6/0x1e0 [ 224.864402][ T10] [ 224.866705][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 224.866705][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 224.866705][ T10] ipv6_find_idev+0x102/0x170 [ 224.866705][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 224.866705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 224.866705][ T10] netlink_rcv_skb+0x130/0x360 [ 224.866705][ T10] netlink_unicast+0x449/0x710 [ 224.866705][ T10] netlink_sendmsg+0x723/0xbe0 [ 224.866705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 224.866705][ T10] ___sys_sendmsg+0xee/0x170 [ 224.866705][ T10] __sys_sendmsg+0xcd/0x170 [ 224.866705][ T10] do_syscall_64+0xc6/0x1e0 [ 224.866705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 224.866705][ T10] [ 224.868520][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 224.868520][ T10] neigh_parms_alloc+0x1e5/0x510 [ 224.868520][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 224.868520][ T10] ipv6_find_idev+0x102/0x170 [ 224.868520][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 224.868520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 224.868520][ T10] netlink_rcv_skb+0x130/0x360 [ 224.868520][ T10] netlink_unicast+0x449/0x710 [ 224.868520][ T10] netlink_sendmsg+0x723/0xbe0 [ 224.868520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 224.868520][ T10] ___sys_sendmsg+0xee/0x170 [ 224.868520][ T10] __sys_sendmsg+0xcd/0x170 [ 224.868520][ T10] do_syscall_64+0xc6/0x1e0 [ 224.868520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 224.868520][ T10] [ 224.870529][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 224.870874][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 224.870874][ T10] netdev_get_by_index+0x5e/0x80 [ 224.870874][ T10] fib6_nh_init+0x3d8/0x1580 [ 224.870874][ T10] ip6_route_info_create+0xf18/0x17d0 [ 224.870874][ T10] addrconf_f6i_alloc+0x265/0x560 [ 224.870874][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 224.870874][ T10] addrconf_join_anycast+0x1c0/0x220 [ 224.870874][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 224.870874][ T10] addrconf_dad_completed+0x12b/0xe20 [ 224.870874][ T10] addrconf_dad_begin+0x310/0x670 [ 224.870874][ T10] addrconf_dad_work+0x10b/0xab0 [ 224.870874][ T10] process_one_work+0x84d/0x18a0 [ 224.870874][ T10] worker_thread+0x587/0xd30 [ 224.870874][ T10] kthread+0x28a/0x350 [ 224.870874][ T10] ret_from_fork+0x31/0x70 [ 224.870874][ T10] ret_from_fork_asm+0x1a/0x30 [ 224.870874][ T10] [ 224.873020][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 224.873020][ T10] netdev_get_by_index+0x5e/0x80 [ 224.873020][ T10] fib6_nh_init+0x3d8/0x1580 [ 224.873020][ T10] ip6_route_info_create+0xf18/0x17d0 [ 224.873020][ T10] ip6_route_add+0x1c/0x140 [ 224.873020][ T10] addrconf_prefix_route+0x2a6/0x430 [ 224.873020][ T10] inet6_addr_add+0x4f8/0xa40 [ 224.873020][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 224.873020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 224.873020][ T10] netlink_rcv_skb+0x130/0x360 [ 224.873020][ T10] netlink_unicast+0x449/0x710 [ 224.873020][ T10] netlink_sendmsg+0x723/0xbe0 [ 224.873020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 224.873020][ T10] ___sys_sendmsg+0xee/0x170 [ 224.873020][ T10] __sys_sendmsg+0xcd/0x170 [ 224.873020][ T10] do_syscall_64+0xc6/0x1e0 [ 224.873020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 224.873020][ T10] [ 224.875326][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 224.875326][ T10] netdev_get_by_index+0x5e/0x80 [ 224.875326][ T10] fib6_nh_init+0x3d8/0x1580 [ 224.875326][ T10] ip6_route_info_create+0xf18/0x17d0 [ 224.875326][ T10] addrconf_f6i_alloc+0x315/0x560 [ 224.875326][ T10] ipv6_add_addr+0x411/0x2000 [ 224.875326][ T10] inet6_addr_add+0x30e/0xa40 [ 224.875326][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 224.875326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 224.875326][ T10] netlink_rcv_skb+0x130/0x360 [ 224.875326][ T10] netlink_unicast+0x449/0x710 [ 224.875326][ T10] netlink_sendmsg+0x723/0xbe0 [ 224.875326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 224.875326][ T10] ___sys_sendmsg+0xee/0x170 [ 224.875326][ T10] __sys_sendmsg+0xcd/0x170 [ 224.875326][ T10] do_syscall_64+0xc6/0x1e0 [ 224.875326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 224.875326][ T10] [ 224.877627][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 224.877627][ T10] netdev_get_by_index+0x5e/0x80 [ 224.877627][ T10] fib6_nh_init+0x3d8/0x1580 [ 224.877627][ T10] ip6_route_info_create+0xf18/0x17d0 [ 224.877627][ T10] ip6_route_add+0x1c/0x140 [ 224.877627][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 224.877627][ T10] addrconf_add_dev+0xe2/0x170 [ 224.877627][ T10] inet6_addr_add+0x12f/0xa40 [ 224.877627][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 224.877627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 224.877627][ T10] netlink_rcv_skb+0x130/0x360 [ 224.877627][ T10] netlink_unicast+0x449/0x710 [ 224.877627][ T10] netlink_sendmsg+0x723/0xbe0 [ 224.877627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 224.877627][ T10] ___sys_sendmsg+0xee/0x170 [ 224.877627][ T10] __sys_sendmsg+0xcd/0x170 [ 224.877627][ T10] do_syscall_64+0xc6/0x1e0 [ 224.877627][ T10] [ 224.880167][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 224.880167][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 224.880167][ T10] ipv6_find_idev+0x102/0x170 [ 224.880167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 224.880167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 224.880167][ T10] netlink_rcv_skb+0x130/0x360 [ 224.880167][ T10] netlink_unicast+0x449/0x710 [ 224.880167][ T10] netlink_sendmsg+0x723/0xbe0 [ 224.880167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 224.880167][ T10] ___sys_sendmsg+0xee/0x170 [ 224.880167][ T10] __sys_sendmsg+0xcd/0x170 [ 224.880167][ T10] do_syscall_64+0xc6/0x1e0 [ 224.880167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 224.880167][ T10] [ 224.882879][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 224.882879][ T10] neigh_parms_alloc+0x1e5/0x510 [ 224.882879][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 224.882879][ T10] ipv6_find_idev+0x102/0x170 [ 224.882879][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 224.882879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 224.882879][ T10] netlink_rcv_skb+0x130/0x360 [ 224.882879][ T10] netlink_unicast+0x449/0x710 [ 224.882879][ T10] netlink_sendmsg+0x723/0xbe0 [ 224.882879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 224.882879][ T10] ___sys_sendmsg+0xee/0x170 [ 224.882879][ T10] __sys_sendmsg+0xcd/0x170 [ 224.882879][ T10] do_syscall_64+0xc6/0x1e0 [ 224.882879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 224.882879][ T10] [ 228.625081][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 228.625552][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 228.625552][ T1167] dst_init+0x84/0x4a0 [ 228.625552][ T1167] dst_alloc+0x97/0x150 [ 228.625552][ T1167] ip6_dst_alloc+0x23/0x90 [ 228.625552][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 228.625552][ T1167] ip6_pol_route+0x56f/0x840 [ 228.625552][ T1167] fib6_rule_lookup+0x334/0x630 [ 228.625552][ T1167] ip6_route_output_flags+0x259/0x480 [ 228.625552][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 228.625552][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 228.625552][ T1167] netlink_rcv_skb+0x130/0x360 [ 228.625552][ T1167] netlink_unicast+0x449/0x710 [ 228.625552][ T1167] netlink_sendmsg+0x723/0xbe0 [ 228.625552][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 228.625552][ T1167] ___sys_sendmsg+0xee/0x170 [ 228.625552][ T1167] __sys_sendmsg+0xcd/0x170 [ 228.625552][ T1167] do_syscall_64+0xc6/0x1e0 [ 228.625552][ T1167] [ 228.628005][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 228.628005][ T1167] netdev_get_by_index+0x5e/0x80 [ 228.628005][ T1167] fib6_nh_init+0x3d8/0x1580 [ 228.628005][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 228.628005][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 228.628005][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 228.628005][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 228.628005][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 228.628005][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 228.628005][ T1167] addrconf_dad_begin+0x310/0x670 [ 228.628005][ T1167] addrconf_dad_work+0x10b/0xab0 [ 228.628005][ T1167] process_one_work+0x84d/0x18a0 [ 228.628005][ T1167] worker_thread+0x587/0xd30 [ 228.628005][ T1167] kthread+0x28a/0x350 [ 228.628005][ T1167] ret_from_fork+0x31/0x70 [ 228.628005][ T1167] ret_from_fork_asm+0x1a/0x30 [ 228.628005][ T1167] [ 228.630373][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 228.630373][ T1167] netdev_get_by_index+0x5e/0x80 [ 228.630373][ T1167] fib6_nh_init+0x3d8/0x1580 [ 228.630373][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 228.630373][ T1167] ip6_route_add+0x1c/0x140 [ 228.630373][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 228.630373][ T1167] inet6_addr_add+0x4f8/0xa40 [ 228.630373][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 228.630373][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.630373][ T1167] netlink_rcv_skb+0x130/0x360 [ 228.630373][ T1167] netlink_unicast+0x449/0x710 [ 228.630373][ T1167] netlink_sendmsg+0x723/0xbe0 [ 228.630373][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 228.630373][ T1167] ___sys_sendmsg+0xee/0x170 [ 228.630373][ T1167] __sys_sendmsg+0xcd/0x170 [ 228.630373][ T1167] do_syscall_64+0xc6/0x1e0 [ 228.630373][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.630373][ T1167] [ 228.632856][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 228.632856][ T1167] netdev_get_by_index+0x5e/0x80 [ 228.632856][ T1167] fib6_nh_init+0x3d8/0x1580 [ 228.632856][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 228.632856][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 228.632856][ T1167] ipv6_add_addr+0x411/0x2000 [ 228.632856][ T1167] inet6_addr_add+0x30e/0xa40 [ 228.632856][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 228.632856][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.632856][ T1167] netlink_rcv_skb+0x130/0x360 [ 228.632856][ T1167] netlink_unicast+0x449/0x710 [ 228.632856][ T1167] netlink_sendmsg+0x723/0xbe0 [ 228.632856][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 228.632856][ T1167] ___sys_sendmsg+0xee/0x170 [ 228.632856][ T1167] __sys_sendmsg+0xcd/0x170 [ 228.632856][ T1167] do_syscall_64+0xc6/0x1e0 [ 228.632856][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.632856][ T1167] [ 228.635366][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 228.635366][ T1167] netdev_get_by_index+0x5e/0x80 [ 228.635366][ T1167] fib6_nh_init+0x3d8/0x1580 [ 228.635366][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 228.635366][ T1167] ip6_route_add+0x1c/0x140 [ 228.635366][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 228.635366][ T1167] addrconf_add_dev+0xe2/0x170 [ 228.635366][ T1167] inet6_addr_add+0x12f/0xa40 [ 228.635366][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 228.635366][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.635366][ T1167] netlink_rcv_skb+0x130/0x360 [ 228.635366][ T1167] netlink_unicast+0x449/0x710 [ 228.635366][ T1167] netlink_sendmsg+0x723/0xbe0 [ 228.635366][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 228.635366][ T1167] ___sys_sendmsg+0xee/0x170 [ 228.635366][ T1167] __sys_sendmsg+0xcd/0x170 [ 228.635366][ T1167] do_syscall_64+0xc6/0x1e0 [ 228.635366][ T1167] [ 228.638062][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 228.638062][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 228.638062][ T1167] ipv6_find_idev+0x102/0x170 [ 228.638062][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 228.638062][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.638062][ T1167] netlink_rcv_skb+0x130/0x360 [ 228.638062][ T1167] netlink_unicast+0x449/0x710 [ 228.638062][ T1167] netlink_sendmsg+0x723/0xbe0 [ 228.638062][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 228.638062][ T1167] ___sys_sendmsg+0xee/0x170 [ 228.638062][ T1167] __sys_sendmsg+0xcd/0x170 [ 228.638062][ T1167] do_syscall_64+0xc6/0x1e0 [ 228.638062][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.638062][ T1167] [ 228.639951][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 228.639951][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 228.639951][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 228.639951][ T1167] ipv6_find_idev+0x102/0x170 [ 228.639951][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 228.639951][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.639951][ T1167] netlink_rcv_skb+0x130/0x360 [ 228.639951][ T1167] netlink_unicast+0x449/0x710 [ 228.639951][ T1167] netlink_sendmsg+0x723/0xbe0 [ 228.639951][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 228.639951][ T1167] ___sys_sendmsg+0xee/0x170 [ 228.639951][ T1167] __sys_sendmsg+0xcd/0x170 [ 228.639951][ T1167] do_syscall_64+0xc6/0x1e0 [ 228.639951][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.639951][ T1167] [ 235.129127][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 235.129658][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 235.129658][ T10] netdev_get_by_index+0x5e/0x80 [ 235.129658][ T10] fib6_nh_init+0x3d8/0x1580 [ 235.129658][ T10] ip6_route_info_create+0xf18/0x17d0 [ 235.129658][ T10] addrconf_f6i_alloc+0x265/0x560 [ 235.129658][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 235.129658][ T10] addrconf_join_anycast+0x1c0/0x220 [ 235.129658][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 235.129658][ T10] addrconf_dad_completed+0x12b/0xe20 [ 235.129658][ T10] addrconf_dad_begin+0x310/0x670 [ 235.129658][ T10] addrconf_dad_work+0x10b/0xab0 [ 235.129658][ T10] process_one_work+0x84d/0x18a0 [ 235.129658][ T10] worker_thread+0x587/0xd30 [ 235.129658][ T10] kthread+0x28a/0x350 [ 235.129658][ T10] ret_from_fork+0x31/0x70 [ 235.129658][ T10] ret_from_fork_asm+0x1a/0x30 [ 235.129658][ T10] [ 235.132421][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 235.132421][ T10] netdev_get_by_index+0x5e/0x80 [ 235.132421][ T10] fib6_nh_init+0x3d8/0x1580 [ 235.132421][ T10] ip6_route_info_create+0xf18/0x17d0 [ 235.132421][ T10] ip6_route_add+0x1c/0x140 [ 235.132421][ T10] addrconf_prefix_route+0x2a6/0x430 [ 235.132421][ T10] inet6_addr_add+0x4f8/0xa40 [ 235.132421][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 235.132421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 235.132421][ T10] netlink_rcv_skb+0x130/0x360 [ 235.132421][ T10] netlink_unicast+0x449/0x710 [ 235.132421][ T10] netlink_sendmsg+0x723/0xbe0 [ 235.132421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 235.132421][ T10] ___sys_sendmsg+0xee/0x170 [ 235.132421][ T10] __sys_sendmsg+0xcd/0x170 [ 235.132421][ T10] do_syscall_64+0xc6/0x1e0 [ 235.132421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 235.132421][ T10] [ 235.135575][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 235.135575][ T10] netdev_get_by_index+0x5e/0x80 [ 235.135575][ T10] fib6_nh_init+0x3d8/0x1580 [ 235.135575][ T10] ip6_route_info_create+0xf18/0x17d0 [ 235.135575][ T10] addrconf_f6i_alloc+0x315/0x560 [ 235.135575][ T10] ipv6_add_addr+0x411/0x2000 [ 235.135575][ T10] inet6_addr_add+0x30e/0xa40 [ 235.135575][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 235.135575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 235.135575][ T10] netlink_rcv_skb+0x130/0x360 [ 235.135575][ T10] netlink_unicast+0x449/0x710 [ 235.135575][ T10] netlink_sendmsg+0x723/0xbe0 [ 235.135575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 235.135575][ T10] ___sys_sendmsg+0xee/0x170 [ 235.135575][ T10] __sys_sendmsg+0xcd/0x170 [ 235.135575][ T10] do_syscall_64+0xc6/0x1e0 [ 235.135575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 235.135575][ T10] [ 235.138714][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 235.138714][ T10] netdev_get_by_index+0x5e/0x80 [ 235.138714][ T10] fib6_nh_init+0x3d8/0x1580 [ 235.138714][ T10] ip6_route_info_create+0xf18/0x17d0 [ 235.138714][ T10] ip6_route_add+0x1c/0x140 [ 235.138714][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 235.138714][ T10] addrconf_add_dev+0xe2/0x170 [ 235.138714][ T10] inet6_addr_add+0x12f/0xa40 [ 235.138714][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 235.138714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 235.138714][ T10] netlink_rcv_skb+0x130/0x360 [ 235.138714][ T10] netlink_unicast+0x449/0x710 [ 235.138714][ T10] netlink_sendmsg+0x723/0xbe0 [ 235.138714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 235.138714][ T10] ___sys_sendmsg+0xee/0x170 [ 235.138714][ T10] __sys_sendmsg+0xcd/0x170 [ 235.138714][ T10] do_syscall_64+0xc6/0x1e0 [ 235.138714][ T10] [ 235.141745][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 235.141745][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 235.141745][ T10] ipv6_find_idev+0x102/0x170 [ 235.141745][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 235.141745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 235.141745][ T10] netlink_rcv_skb+0x130/0x360 [ 235.141745][ T10] netlink_unicast+0x449/0x710 [ 235.141745][ T10] netlink_sendmsg+0x723/0xbe0 [ 235.141745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 235.141745][ T10] ___sys_sendmsg+0xee/0x170 [ 235.141745][ T10] __sys_sendmsg+0xcd/0x170 [ 235.141745][ T10] do_syscall_64+0xc6/0x1e0 [ 235.141745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 235.141745][ T10] [ 235.144084][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 235.144084][ T10] neigh_parms_alloc+0x1e5/0x510 [ 235.144084][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 235.144084][ T10] ipv6_find_idev+0x102/0x170 [ 235.144084][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 235.144084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 235.144084][ T10] netlink_rcv_skb+0x130/0x360 [ 235.144084][ T10] netlink_unicast+0x449/0x710 [ 235.144084][ T10] netlink_sendmsg+0x723/0xbe0 [ 235.144084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 235.144084][ T10] ___sys_sendmsg+0xee/0x170 [ 235.144084][ T10] __sys_sendmsg+0xcd/0x170 [ 235.144084][ T10] do_syscall_64+0xc6/0x1e0 [ 235.144084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 235.144084][ T10] [ 235.146755][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 235.147182][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 235.147182][ T10] netdev_get_by_index+0x5e/0x80 [ 235.147182][ T10] fib6_nh_init+0x3d8/0x1580 [ 235.147182][ T10] ip6_route_info_create+0xf18/0x17d0 [ 235.147182][ T10] addrconf_f6i_alloc+0x265/0x560 [ 235.147182][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 235.147182][ T10] addrconf_join_anycast+0x1c0/0x220 [ 235.147182][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 235.147182][ T10] addrconf_dad_completed+0x12b/0xe20 [ 235.147182][ T10] addrconf_dad_begin+0x310/0x670 [ 235.147182][ T10] addrconf_dad_work+0x10b/0xab0 [ 235.147182][ T10] process_one_work+0x84d/0x18a0 [ 235.147182][ T10] worker_thread+0x587/0xd30 [ 235.147182][ T10] kthread+0x28a/0x350 [ 235.147182][ T10] ret_from_fork+0x31/0x70 [ 235.147182][ T10] ret_from_fork_asm+0x1a/0x30 [ 235.147182][ T10] [ 235.150423][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 235.150423][ T10] netdev_get_by_index+0x5e/0x80 [ 235.150423][ T10] fib6_nh_init+0x3d8/0x1580 [ 235.150423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 235.150423][ T10] ip6_route_add+0x1c/0x140 [ 235.150423][ T10] addrconf_prefix_route+0x2a6/0x430 [ 235.150423][ T10] inet6_addr_add+0x4f8/0xa40 [ 235.150423][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 235.150423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 235.150423][ T10] netlink_rcv_skb+0x130/0x360 [ 235.150423][ T10] netlink_unicast+0x449/0x710 [ 235.150423][ T10] netlink_sendmsg+0x723/0xbe0 [ 235.150423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 235.150423][ T10] ___sys_sendmsg+0xee/0x170 [ 235.150423][ T10] __sys_sendmsg+0xcd/0x170 [ 235.150423][ T10] do_syscall_64+0xc6/0x1e0 [ 235.150423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 235.150423][ T10] [ 235.153385][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 235.153385][ T10] netdev_get_by_index+0x5e/0x80 [ 235.153385][ T10] fib6_nh_init+0x3d8/0x1580 [ 235.153385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 235.153385][ T10] addrconf_f6i_alloc+0x315/0x560 [ 235.153385][ T10] ipv6_add_addr+0x411/0x2000 [ 235.153385][ T10] inet6_addr_add+0x30e/0xa40 [ 235.153385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 235.153385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 235.153385][ T10] netlink_rcv_skb+0x130/0x360 [ 235.153385][ T10] netlink_unicast+0x449/0x710 [ 235.153385][ T10] netlink_sendmsg+0x723/0xbe0 [ 235.153385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 235.153385][ T10] ___sys_sendmsg+0xee/0x170 [ 235.153385][ T10] __sys_sendmsg+0xcd/0x170 [ 235.153385][ T10] do_syscall_64+0xc6/0x1e0 [ 235.153385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 235.153385][ T10] [ 235.155844][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 235.155844][ T10] netdev_get_by_index+0x5e/0x80 [ 235.155844][ T10] fib6_nh_init+0x3d8/0x1580 [ 235.155844][ T10] ip6_route_info_create+0xf18/0x17d0 [ 235.155844][ T10] ip6_route_add+0x1c/0x140 [ 235.155844][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 235.155844][ T10] addrconf_add_dev+0xe2/0x170 [ 235.155844][ T10] inet6_addr_add+0x12f/0xa40 [ 235.155844][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 235.155844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 235.155844][ T10] netlink_rcv_skb+0x130/0x360 [ 235.155844][ T10] netlink_unicast+0x449/0x710 [ 235.155844][ T10] netlink_sendmsg+0x723/0xbe0 [ 235.155844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 235.155844][ T10] ___sys_sendmsg+0xee/0x170 [ 235.155844][ T10] __sys_sendmsg+0xcd/0x170 [ 235.155844][ T10] do_syscall_64+0xc6/0x1e0 [ 235.155844][ T10] [ 235.157952][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 235.157952][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 235.157952][ T10] ipv6_find_idev+0x102/0x170 [ 235.157952][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 235.157952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 235.157952][ T10] netlink_rcv_skb+0x130/0x360 [ 235.157952][ T10] netlink_unicast+0x449/0x710 [ 235.157952][ T10] netlink_sendmsg+0x723/0xbe0 [ 235.157952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 235.157952][ T10] ___sys_sendmsg+0xee/0x170 [ 235.157952][ T10] __sys_sendmsg+0xcd/0x170 [ 235.157952][ T10] do_syscall_64+0xc6/0x1e0 [ 235.157952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 235.157952][ T10] [ 235.159547][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 235.159547][ T10] neigh_parms_alloc+0x1e5/0x510 [ 235.159547][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 235.159547][ T10] ipv6_find_idev+0x102/0x170 [ 235.159547][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 235.159547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 235.159547][ T10] netlink_rcv_skb+0x130/0x360 [ 235.159547][ T10] netlink_unicast+0x449/0x710 [ 235.159547][ T10] netlink_sendmsg+0x723/0xbe0 [ 235.159547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 235.159547][ T10] ___sys_sendmsg+0xee/0x170 [ 235.159547][ T10] __sys_sendmsg+0xcd/0x170 [ 235.159547][ T10] do_syscall_64+0xc6/0x1e0 [ 235.159547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 235.159547][ T10] [ 235.161365][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 235.161628][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 235.161628][ T10] netdev_get_by_index+0x5e/0x80 [ 235.161628][ T10] fib6_nh_init+0x3d8/0x1580 [ 235.161628][ T10] ip6_route_info_create+0xf18/0x17d0 [ 235.161628][ T10] addrconf_f6i_alloc+0x265/0x560 [ 235.161628][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 235.161628][ T10] addrconf_join_anycast+0x1c0/0x220 [ 235.161628][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 235.161628][ T10] addrconf_dad_completed+0x12b/0xe20 [ 235.161628][ T10] addrconf_dad_begin+0x310/0x670 [ 235.161628][ T10] addrconf_dad_work+0x10b/0xab0 [ 235.161628][ T10] process_one_work+0x84d/0x18a0 [ 235.161628][ T10] worker_thread+0x587/0xd30 [ 235.161628][ T10] kthread+0x28a/0x350 [ 235.161628][ T10] ret_from_fork+0x31/0x70 [ 235.161628][ T10] ret_from_fork_asm+0x1a/0x30 [ 235.161628][ T10] [ 235.163625][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 235.163625][ T10] netdev_get_by_index+0x5e/0x80 [ 235.163625][ T10] fib6_nh_init+0x3d8/0x1580 [ 235.163625][ T10] ip6_route_info_create+0xf18/0x17d0 [ 235.163625][ T10] ip6_route_add+0x1c/0x140 [ 235.163625][ T10] addrconf_prefix_route+0x2a6/0x430 [ 235.163625][ T10] inet6_addr_add+0x4f8/0xa40 [ 235.163625][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 235.163625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 235.163625][ T10] netlink_rcv_skb+0x130/0x360 [ 235.163625][ T10] netlink_unicast+0x449/0x710 [ 235.163625][ T10] netlink_sendmsg+0x723/0xbe0 [ 235.163625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 235.163625][ T10] ___sys_sendmsg+0xee/0x170 [ 235.163625][ T10] __sys_sendmsg+0xcd/0x170 [ 235.163625][ T10] do_syscall_64+0xc6/0x1e0 [ 235.163625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 235.163625][ T10] [ 235.166014][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 235.166014][ T10] netdev_get_by_index+0x5e/0x80 [ 235.166014][ T10] fib6_nh_init+0x3d8/0x1580 [ 235.166014][ T10] ip6_route_info_create+0xf18/0x17d0 [ 235.166014][ T10] addrconf_f6i_alloc+0x315/0x560 [ 235.166014][ T10] ipv6_add_addr+0x411/0x2000 [ 235.166014][ T10] inet6_addr_add+0x30e/0xa40 [ 235.166014][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 235.166014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 235.166014][ T10] netlink_rcv_skb+0x130/0x360 [ 235.166014][ T10] netlink_unicast+0x449/0x710 [ 235.166014][ T10] netlink_sendmsg+0x723/0xbe0 [ 235.166014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 235.166014][ T10] ___sys_sendmsg+0xee/0x170 [ 235.166014][ T10] __sys_sendmsg+0xcd/0x170 [ 235.166014][ T10] do_syscall_64+0xc6/0x1e0 [ 235.166014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 235.166014][ T10] [ 235.168439][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 235.168439][ T10] netdev_get_by_index+0x5e/0x80 [ 235.168439][ T10] fib6_nh_init+0x3d8/0x1580 [ 235.168439][ T10] ip6_route_info_create+0xf18/0x17d0 [ 235.168439][ T10] ip6_route_add+0x1c/0x140 [ 235.168439][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 235.168439][ T10] addrconf_add_dev+0xe2/0x170 [ 235.168439][ T10] inet6_addr_add+0x12f/0xa40 [ 235.168439][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 235.168439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 235.168439][ T10] netlink_rcv_skb+0x130/0x360 [ 235.168439][ T10] netlink_unicast+0x449/0x710 [ 235.168439][ T10] netlink_sendmsg+0x723/0xbe0 [ 235.168439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 235.168439][ T10] ___sys_sendmsg+0xee/0x170 [ 235.168439][ T10] __sys_sendmsg+0xcd/0x170 [ 235.168439][ T10] do_syscall_64+0xc6/0x1e0 [ 235.168439][ T10] [ 235.170848][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 235.170848][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 235.170848][ T10] ipv6_find_idev+0x102/0x170 [ 235.170848][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 235.170848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 235.170848][ T10] netlink_rcv_skb+0x130/0x360 [ 235.170848][ T10] netlink_unicast+0x449/0x710 [ 235.170848][ T10] netlink_sendmsg+0x723/0xbe0 [ 235.170848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 235.170848][ T10] ___sys_sendmsg+0xee/0x170 [ 235.170848][ T10] __sys_sendmsg+0xcd/0x170 [ 235.170848][ T10] do_syscall_64+0xc6/0x1e0 [ 235.170848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 235.170848][ T10] [ 235.172788][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 235.172788][ T10] neigh_parms_alloc+0x1e5/0x510 [ 235.172788][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 235.172788][ T10] ipv6_find_idev+0x102/0x170 [ 235.172788][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 235.172788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 235.172788][ T10] netlink_rcv_skb+0x130/0x360 [ 235.172788][ T10] netlink_unicast+0x449/0x710 [ 235.172788][ T10] netlink_sendmsg+0x723/0xbe0 [ 235.172788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 235.172788][ T10] ___sys_sendmsg+0xee/0x170 [ 235.172788][ T10] __sys_sendmsg+0xcd/0x170 [ 235.172788][ T10] do_syscall_64+0xc6/0x1e0 [ 235.172788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 235.172788][ T10] [ 235.174848][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 235.175686][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 235.175686][ T10] netdev_get_by_index+0x5e/0x80 [ 235.175686][ T10] fib6_nh_init+0x3d8/0x1580 [ 235.175686][ T10] ip6_route_info_create+0xf18/0x17d0 [ 235.175686][ T10] addrconf_f6i_alloc+0x265/0x560 [ 235.175686][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 235.175686][ T10] addrconf_join_anycast+0x1c0/0x220 [ 235.175686][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 235.175686][ T10] addrconf_dad_completed+0x12b/0xe20 [ 235.175686][ T10] addrconf_dad_begin+0x310/0x670 [ 235.175686][ T10] addrconf_dad_work+0x10b/0xab0 [ 235.175686][ T10] process_one_work+0x84d/0x18a0 [ 235.175686][ T10] worker_thread+0x587/0xd30 [ 235.175686][ T10] kthread+0x28a/0x350 [ 235.175686][ T10] ret_from_fork+0x31/0x70 [ 235.175686][ T10] ret_from_fork_asm+0x1a/0x30 [ 235.175686][ T10] [ 235.178545][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 235.178545][ T10] netdev_get_by_index+0x5e/0x80 [ 235.178545][ T10] fib6_nh_init+0x3d8/0x1580 [ 235.178545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 235.178545][ T10] ip6_route_add+0x1c/0x140 [ 235.178545][ T10] addrconf_prefix_route+0x2a6/0x430 [ 235.178545][ T10] inet6_addr_add+0x4f8/0xa40 [ 235.178545][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 235.178545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 235.178545][ T10] netlink_rcv_skb+0x130/0x360 [ 235.178545][ T10] netlink_unicast+0x449/0x710 [ 235.178545][ T10] netlink_sendmsg+0x723/0xbe0 [ 235.178545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 235.178545][ T10] ___sys_sendmsg+0xee/0x170 [ 235.178545][ T10] __sys_sendmsg+0xcd/0x170 [ 235.178545][ T10] do_syscall_64+0xc6/0x1e0 [ 235.178545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 235.178545][ T10] [ 235.181763][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 235.181763][ T10] netdev_get_by_index+0x5e/0x80 [ 235.181763][ T10] fib6_nh_init+0x3d8/0x1580 [ 235.181763][ T10] ip6_route_info_create+0xf18/0x17d0 [ 235.181763][ T10] addrconf_f6i_alloc+0x315/0x560 [ 235.181763][ T10] ipv6_add_addr+0x411/0x2000 [ 235.181763][ T10] inet6_addr_add+0x30e/0xa40 [ 235.181763][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 235.181763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 235.181763][ T10] netlink_rcv_skb+0x130/0x360 [ 235.181763][ T10] netlink_unicast+0x449/0x710 [ 235.181763][ T10] netlink_sendmsg+0x723/0xbe0 [ 235.181763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 235.181763][ T10] ___sys_sendmsg+0xee/0x170 [ 235.181763][ T10] __sys_sendmsg+0xcd/0x170 [ 235.181763][ T10] do_syscall_64+0xc6/0x1e0 [ 235.181763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 235.181763][ T10] [ 235.185371][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 235.185371][ T10] netdev_get_by_index+0x5e/0x80 [ 235.185371][ T10] fib6_nh_init+0x3d8/0x1580 [ 235.185371][ T10] ip6_route_info_create+0xf18/0x17d0 [ 235.185371][ T10] ip6_route_add+0x1c/0x140 [ 235.185371][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 235.185371][ T10] addrconf_add_dev+0xe2/0x170 [ 235.185371][ T10] inet6_addr_add+0x12f/0xa40 [ 235.185371][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 235.185371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 235.185371][ T10] netlink_rcv_skb+0x130/0x360 [ 235.185371][ T10] netlink_unicast+0x449/0x710 [ 235.185371][ T10] netlink_sendmsg+0x723/0xbe0 [ 235.185371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 235.185371][ T10] ___sys_sendmsg+0xee/0x170 [ 235.185371][ T10] __sys_sendmsg+0xcd/0x170 [ 235.185371][ T10] do_syscall_64+0xc6/0x1e0 [ 235.185371][ T10] [ 235.188745][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 235.188745][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 235.188745][ T10] ipv6_find_idev+0x102/0x170 [ 235.188745][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 235.188745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 235.188745][ T10] netlink_rcv_skb+0x130/0x360 [ 235.188745][ T10] netlink_unicast+0x449/0x710 [ 235.188745][ T10] netlink_sendmsg+0x723/0xbe0 [ 235.188745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 235.188745][ T10] ___sys_sendmsg+0xee/0x170 [ 235.188745][ T10] __sys_sendmsg+0xcd/0x170 [ 235.188745][ T10] do_syscall_64+0xc6/0x1e0 [ 235.188745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 235.188745][ T10] [ 235.190870][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 235.190870][ T10] neigh_parms_alloc+0x1e5/0x510 [ 235.190870][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 235.190870][ T10] ipv6_find_idev+0x102/0x170 [ 235.190870][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 235.190870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 235.190870][ T10] netlink_rcv_skb+0x130/0x360 [ 235.190870][ T10] netlink_unicast+0x449/0x710 [ 235.190870][ T10] netlink_sendmsg+0x723/0xbe0 [ 235.190870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 235.190870][ T10] ___sys_sendmsg+0xee/0x170 [ 235.190870][ T10] __sys_sendmsg+0xcd/0x170 [ 235.190870][ T10] do_syscall_64+0xc6/0x1e0 [ 235.190870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 235.190870][ T10] [ 238.881095][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 238.881623][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 238.881623][ T1167] dst_init+0x84/0x4a0 [ 238.881623][ T1167] dst_alloc+0x97/0x150 [ 238.881623][ T1167] ip6_dst_alloc+0x23/0x90 [ 238.881623][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 238.881623][ T1167] ip6_pol_route+0x56f/0x840 [ 238.881623][ T1167] fib6_rule_lookup+0x334/0x630 [ 238.881623][ T1167] ip6_route_output_flags+0x259/0x480 [ 238.881623][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 238.881623][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 238.881623][ T1167] netlink_rcv_skb+0x130/0x360 [ 238.881623][ T1167] netlink_unicast+0x449/0x710 [ 238.881623][ T1167] netlink_sendmsg+0x723/0xbe0 [ 238.881623][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 238.881623][ T1167] ___sys_sendmsg+0xee/0x170 [ 238.881623][ T1167] __sys_sendmsg+0xcd/0x170 [ 238.881623][ T1167] do_syscall_64+0xc6/0x1e0 [ 238.881623][ T1167] [ 238.884031][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 238.884031][ T1167] netdev_get_by_index+0x5e/0x80 [ 238.884031][ T1167] fib6_nh_init+0x3d8/0x1580 [ 238.884031][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 238.884031][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 238.884031][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 238.884031][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 238.884031][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 238.884031][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 238.884031][ T1167] addrconf_dad_begin+0x310/0x670 [ 238.884031][ T1167] addrconf_dad_work+0x10b/0xab0 [ 238.884031][ T1167] process_one_work+0x84d/0x18a0 [ 238.884031][ T1167] worker_thread+0x587/0xd30 [ 238.884031][ T1167] kthread+0x28a/0x350 [ 238.884031][ T1167] ret_from_fork+0x31/0x70 [ 238.884031][ T1167] ret_from_fork_asm+0x1a/0x30 [ 238.884031][ T1167] [ 238.886426][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 238.886426][ T1167] netdev_get_by_index+0x5e/0x80 [ 238.886426][ T1167] fib6_nh_init+0x3d8/0x1580 [ 238.886426][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 238.886426][ T1167] ip6_route_add+0x1c/0x140 [ 238.886426][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 238.886426][ T1167] inet6_addr_add+0x4f8/0xa40 [ 238.886426][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 238.886426][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.886426][ T1167] netlink_rcv_skb+0x130/0x360 [ 238.886426][ T1167] netlink_unicast+0x449/0x710 [ 238.886426][ T1167] netlink_sendmsg+0x723/0xbe0 [ 238.886426][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 238.886426][ T1167] ___sys_sendmsg+0xee/0x170 [ 238.886426][ T1167] __sys_sendmsg+0xcd/0x170 [ 238.886426][ T1167] do_syscall_64+0xc6/0x1e0 [ 238.886426][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.886426][ T1167] [ 238.888995][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 238.888995][ T1167] netdev_get_by_index+0x5e/0x80 [ 238.888995][ T1167] fib6_nh_init+0x3d8/0x1580 [ 238.888995][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 238.888995][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 238.888995][ T1167] ipv6_add_addr+0x411/0x2000 [ 238.888995][ T1167] inet6_addr_add+0x30e/0xa40 [ 238.888995][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 238.888995][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.888995][ T1167] netlink_rcv_skb+0x130/0x360 [ 238.888995][ T1167] netlink_unicast+0x449/0x710 [ 238.888995][ T1167] netlink_sendmsg+0x723/0xbe0 [ 238.888995][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 238.888995][ T1167] ___sys_sendmsg+0xee/0x170 [ 238.888995][ T1167] __sys_sendmsg+0xcd/0x170 [ 238.888995][ T1167] do_syscall_64+0xc6/0x1e0 [ 238.888995][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.888995][ T1167] [ 238.891629][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 238.891629][ T1167] netdev_get_by_index+0x5e/0x80 [ 238.891629][ T1167] fib6_nh_init+0x3d8/0x1580 [ 238.891629][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 238.891629][ T1167] ip6_route_add+0x1c/0x140 [ 238.891629][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 238.891629][ T1167] addrconf_add_dev+0xe2/0x170 [ 238.891629][ T1167] inet6_addr_add+0x12f/0xa40 [ 238.891629][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 238.891629][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.891629][ T1167] netlink_rcv_skb+0x130/0x360 [ 238.891629][ T1167] netlink_unicast+0x449/0x710 [ 238.891629][ T1167] netlink_sendmsg+0x723/0xbe0 [ 238.891629][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 238.891629][ T1167] ___sys_sendmsg+0xee/0x170 [ 238.891629][ T1167] __sys_sendmsg+0xcd/0x170 [ 238.891629][ T1167] do_syscall_64+0xc6/0x1e0 [ 238.891629][ T1167] [ 238.894015][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 238.894015][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 238.894015][ T1167] ipv6_find_idev+0x102/0x170 [ 238.894015][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 238.894015][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.894015][ T1167] netlink_rcv_skb+0x130/0x360 [ 238.894015][ T1167] netlink_unicast+0x449/0x710 [ 238.894015][ T1167] netlink_sendmsg+0x723/0xbe0 [ 238.894015][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 238.894015][ T1167] ___sys_sendmsg+0xee/0x170 [ 238.894015][ T1167] __sys_sendmsg+0xcd/0x170 [ 238.894015][ T1167] do_syscall_64+0xc6/0x1e0 [ 238.894015][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.894015][ T1167] [ 238.896045][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 238.896045][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 238.896045][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 238.896045][ T1167] ipv6_find_idev+0x102/0x170 [ 238.896045][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 238.896045][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.896045][ T1167] netlink_rcv_skb+0x130/0x360 [ 238.896045][ T1167] netlink_unicast+0x449/0x710 [ 238.896045][ T1167] netlink_sendmsg+0x723/0xbe0 [ 238.896045][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 238.896045][ T1167] ___sys_sendmsg+0xee/0x170 [ 238.896045][ T1167] __sys_sendmsg+0xcd/0x170 [ 238.896045][ T1167] do_syscall_64+0xc6/0x1e0 [ 238.896045][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.896045][ T1167] [ 245.433141][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 245.433707][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 245.433707][ T10] netdev_get_by_index+0x5e/0x80 [ 245.433707][ T10] fib6_nh_init+0x3d8/0x1580 [ 245.433707][ T10] ip6_route_info_create+0xf18/0x17d0 [ 245.433707][ T10] addrconf_f6i_alloc+0x265/0x560 [ 245.433707][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 245.433707][ T10] addrconf_join_anycast+0x1c0/0x220 [ 245.433707][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 245.433707][ T10] addrconf_dad_completed+0x12b/0xe20 [ 245.433707][ T10] addrconf_dad_begin+0x310/0x670 [ 245.433707][ T10] addrconf_dad_work+0x10b/0xab0 [ 245.433707][ T10] process_one_work+0x84d/0x18a0 [ 245.433707][ T10] worker_thread+0x587/0xd30 [ 245.433707][ T10] kthread+0x28a/0x350 [ 245.433707][ T10] ret_from_fork+0x31/0x70 [ 245.433707][ T10] ret_from_fork_asm+0x1a/0x30 [ 245.433707][ T10] [ 245.436789][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 245.436789][ T10] netdev_get_by_index+0x5e/0x80 [ 245.436789][ T10] fib6_nh_init+0x3d8/0x1580 [ 245.436789][ T10] ip6_route_info_create+0xf18/0x17d0 [ 245.436789][ T10] ip6_route_add+0x1c/0x140 [ 245.436789][ T10] addrconf_prefix_route+0x2a6/0x430 [ 245.436789][ T10] inet6_addr_add+0x4f8/0xa40 [ 245.436789][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 245.436789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 245.436789][ T10] netlink_rcv_skb+0x130/0x360 [ 245.436789][ T10] netlink_unicast+0x449/0x710 [ 245.436789][ T10] netlink_sendmsg+0x723/0xbe0 [ 245.436789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 245.436789][ T10] ___sys_sendmsg+0xee/0x170 [ 245.436789][ T10] __sys_sendmsg+0xcd/0x170 [ 245.436789][ T10] do_syscall_64+0xc6/0x1e0 [ 245.436789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 245.436789][ T10] [ 245.439858][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 245.439858][ T10] netdev_get_by_index+0x5e/0x80 [ 245.439858][ T10] fib6_nh_init+0x3d8/0x1580 [ 245.439858][ T10] ip6_route_info_create+0xf18/0x17d0 [ 245.439858][ T10] addrconf_f6i_alloc+0x315/0x560 [ 245.439858][ T10] ipv6_add_addr+0x411/0x2000 [ 245.439858][ T10] inet6_addr_add+0x30e/0xa40 [ 245.439858][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 245.439858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 245.439858][ T10] netlink_rcv_skb+0x130/0x360 [ 245.439858][ T10] netlink_unicast+0x449/0x710 [ 245.439858][ T10] netlink_sendmsg+0x723/0xbe0 [ 245.439858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 245.439858][ T10] ___sys_sendmsg+0xee/0x170 [ 245.439858][ T10] __sys_sendmsg+0xcd/0x170 [ 245.439858][ T10] do_syscall_64+0xc6/0x1e0 [ 245.439858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 245.439858][ T10] [ 245.442580][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 245.442580][ T10] netdev_get_by_index+0x5e/0x80 [ 245.442580][ T10] fib6_nh_init+0x3d8/0x1580 [ 245.442580][ T10] ip6_route_info_create+0xf18/0x17d0 [ 245.442580][ T10] ip6_route_add+0x1c/0x140 [ 245.442580][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 245.442580][ T10] addrconf_add_dev+0xe2/0x170 [ 245.442580][ T10] inet6_addr_add+0x12f/0xa40 [ 245.442580][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 245.442580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 245.442580][ T10] netlink_rcv_skb+0x130/0x360 [ 245.442580][ T10] netlink_unicast+0x449/0x710 [ 245.442580][ T10] netlink_sendmsg+0x723/0xbe0 [ 245.442580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 245.442580][ T10] ___sys_sendmsg+0xee/0x170 [ 245.442580][ T10] __sys_sendmsg+0xcd/0x170 [ 245.442580][ T10] do_syscall_64+0xc6/0x1e0 [ 245.442580][ T10] [ 245.444566][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 245.444566][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 245.444566][ T10] ipv6_find_idev+0x102/0x170 [ 245.444566][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 245.444566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 245.444566][ T10] netlink_rcv_skb+0x130/0x360 [ 245.444566][ T10] netlink_unicast+0x449/0x710 [ 245.444566][ T10] netlink_sendmsg+0x723/0xbe0 [ 245.444566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 245.444566][ T10] ___sys_sendmsg+0xee/0x170 [ 245.444566][ T10] __sys_sendmsg+0xcd/0x170 [ 245.444566][ T10] do_syscall_64+0xc6/0x1e0 [ 245.444566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 245.444566][ T10] [ 245.446117][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 245.446117][ T10] neigh_parms_alloc+0x1e5/0x510 [ 245.446117][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 245.446117][ T10] ipv6_find_idev+0x102/0x170 [ 245.446117][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 245.446117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 245.446117][ T10] netlink_rcv_skb+0x130/0x360 [ 245.446117][ T10] netlink_unicast+0x449/0x710 [ 245.446117][ T10] netlink_sendmsg+0x723/0xbe0 [ 245.446117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 245.446117][ T10] ___sys_sendmsg+0xee/0x170 [ 245.446117][ T10] __sys_sendmsg+0xcd/0x170 [ 245.446117][ T10] do_syscall_64+0xc6/0x1e0 [ 245.446117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 245.446117][ T10] [ 245.448050][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 245.448314][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 245.448314][ T10] netdev_get_by_index+0x5e/0x80 [ 245.448314][ T10] fib6_nh_init+0x3d8/0x1580 [ 245.448314][ T10] ip6_route_info_create+0xf18/0x17d0 [ 245.448314][ T10] addrconf_f6i_alloc+0x265/0x560 [ 245.448314][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 245.448314][ T10] addrconf_join_anycast+0x1c0/0x220 [ 245.448314][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 245.448314][ T10] addrconf_dad_completed+0x12b/0xe20 [ 245.448314][ T10] addrconf_dad_begin+0x310/0x670 [ 245.448314][ T10] addrconf_dad_work+0x10b/0xab0 [ 245.448314][ T10] process_one_work+0x84d/0x18a0 [ 245.448314][ T10] worker_thread+0x587/0xd30 [ 245.448314][ T10] kthread+0x28a/0x350 [ 245.448314][ T10] ret_from_fork+0x31/0x70 [ 245.448314][ T10] ret_from_fork_asm+0x1a/0x30 [ 245.448314][ T10] [ 245.450262][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 245.450262][ T10] netdev_get_by_index+0x5e/0x80 [ 245.450262][ T10] fib6_nh_init+0x3d8/0x1580 [ 245.450262][ T10] ip6_route_info_create+0xf18/0x17d0 [ 245.450262][ T10] ip6_route_add+0x1c/0x140 [ 245.450262][ T10] addrconf_prefix_route+0x2a6/0x430 [ 245.450262][ T10] inet6_addr_add+0x4f8/0xa40 [ 245.450262][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 245.450262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 245.450262][ T10] netlink_rcv_skb+0x130/0x360 [ 245.450262][ T10] netlink_unicast+0x449/0x710 [ 245.450262][ T10] netlink_sendmsg+0x723/0xbe0 [ 245.450262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 245.450262][ T10] ___sys_sendmsg+0xee/0x170 [ 245.450262][ T10] __sys_sendmsg+0xcd/0x170 [ 245.450262][ T10] do_syscall_64+0xc6/0x1e0 [ 245.450262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 245.450262][ T10] [ 245.452351][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 245.452351][ T10] netdev_get_by_index+0x5e/0x80 [ 245.452351][ T10] fib6_nh_init+0x3d8/0x1580 [ 245.452351][ T10] ip6_route_info_create+0xf18/0x17d0 [ 245.452351][ T10] addrconf_f6i_alloc+0x315/0x560 [ 245.452351][ T10] ipv6_add_addr+0x411/0x2000 [ 245.452351][ T10] inet6_addr_add+0x30e/0xa40 [ 245.452351][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 245.452351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 245.452351][ T10] netlink_rcv_skb+0x130/0x360 [ 245.452351][ T10] netlink_unicast+0x449/0x710 [ 245.452351][ T10] netlink_sendmsg+0x723/0xbe0 [ 245.452351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 245.452351][ T10] ___sys_sendmsg+0xee/0x170 [ 245.452351][ T10] __sys_sendmsg+0xcd/0x170 [ 245.452351][ T10] do_syscall_64+0xc6/0x1e0 [ 245.452351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 245.452351][ T10] [ 245.454478][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 245.454478][ T10] netdev_get_by_index+0x5e/0x80 [ 245.454478][ T10] fib6_nh_init+0x3d8/0x1580 [ 245.454478][ T10] ip6_route_info_create+0xf18/0x17d0 [ 245.454478][ T10] ip6_route_add+0x1c/0x140 [ 245.454478][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 245.454478][ T10] addrconf_add_dev+0xe2/0x170 [ 245.454478][ T10] inet6_addr_add+0x12f/0xa40 [ 245.454478][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 245.454478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 245.454478][ T10] netlink_rcv_skb+0x130/0x360 [ 245.454478][ T10] netlink_unicast+0x449/0x710 [ 245.454478][ T10] netlink_sendmsg+0x723/0xbe0 [ 245.454478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 245.454478][ T10] ___sys_sendmsg+0xee/0x170 [ 245.454478][ T10] __sys_sendmsg+0xcd/0x170 [ 245.454478][ T10] do_syscall_64+0xc6/0x1e0 [ 245.454478][ T10] [ 245.456626][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 245.456626][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 245.456626][ T10] ipv6_find_idev+0x102/0x170 [ 245.456626][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 245.456626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 245.456626][ T10] netlink_rcv_skb+0x130/0x360 [ 245.456626][ T10] netlink_unicast+0x449/0x710 [ 245.456626][ T10] netlink_sendmsg+0x723/0xbe0 [ 245.456626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 245.456626][ T10] ___sys_sendmsg+0xee/0x170 [ 245.456626][ T10] __sys_sendmsg+0xcd/0x170 [ 245.456626][ T10] do_syscall_64+0xc6/0x1e0 [ 245.456626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 245.456626][ T10] [ 245.458495][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 245.458495][ T10] neigh_parms_alloc+0x1e5/0x510 [ 245.458495][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 245.458495][ T10] ipv6_find_idev+0x102/0x170 [ 245.458495][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 245.458495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 245.458495][ T10] netlink_rcv_skb+0x130/0x360 [ 245.458495][ T10] netlink_unicast+0x449/0x710 [ 245.458495][ T10] netlink_sendmsg+0x723/0xbe0 [ 245.458495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 245.458495][ T10] ___sys_sendmsg+0xee/0x170 [ 245.458495][ T10] __sys_sendmsg+0xcd/0x170 [ 245.458495][ T10] do_syscall_64+0xc6/0x1e0 [ 245.458495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 245.458495][ T10] [ 245.461029][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 245.461407][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 245.461407][ T10] netdev_get_by_index+0x5e/0x80 [ 245.461407][ T10] fib6_nh_init+0x3d8/0x1580 [ 245.461407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 245.461407][ T10] addrconf_f6i_alloc+0x265/0x560 [ 245.461407][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 245.461407][ T10] addrconf_join_anycast+0x1c0/0x220 [ 245.461407][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 245.461407][ T10] addrconf_dad_completed+0x12b/0xe20 [ 245.461407][ T10] addrconf_dad_begin+0x310/0x670 [ 245.461407][ T10] addrconf_dad_work+0x10b/0xab0 [ 245.461407][ T10] process_one_work+0x84d/0x18a0 [ 245.461407][ T10] worker_thread+0x587/0xd30 [ 245.461407][ T10] kthread+0x28a/0x350 [ 245.461407][ T10] ret_from_fork+0x31/0x70 [ 245.461407][ T10] ret_from_fork_asm+0x1a/0x30 [ 245.461407][ T10] [ 245.464292][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 245.464292][ T10] netdev_get_by_index+0x5e/0x80 [ 245.464292][ T10] fib6_nh_init+0x3d8/0x1580 [ 245.464292][ T10] ip6_route_info_create+0xf18/0x17d0 [ 245.464292][ T10] ip6_route_add+0x1c/0x140 [ 245.464292][ T10] addrconf_prefix_route+0x2a6/0x430 [ 245.464292][ T10] inet6_addr_add+0x4f8/0xa40 [ 245.464292][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 245.464292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 245.464292][ T10] netlink_rcv_skb+0x130/0x360 [ 245.464292][ T10] netlink_unicast+0x449/0x710 [ 245.464292][ T10] netlink_sendmsg+0x723/0xbe0 [ 245.464292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 245.464292][ T10] ___sys_sendmsg+0xee/0x170 [ 245.464292][ T10] __sys_sendmsg+0xcd/0x170 [ 245.464292][ T10] do_syscall_64+0xc6/0x1e0 [ 245.464292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 245.464292][ T10] [ 245.467712][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 245.467712][ T10] netdev_get_by_index+0x5e/0x80 [ 245.467712][ T10] fib6_nh_init+0x3d8/0x1580 [ 245.467712][ T10] ip6_route_info_create+0xf18/0x17d0 [ 245.467712][ T10] addrconf_f6i_alloc+0x315/0x560 [ 245.467712][ T10] ipv6_add_addr+0x411/0x2000 [ 245.467712][ T10] inet6_addr_add+0x30e/0xa40 [ 245.467712][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 245.467712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 245.467712][ T10] netlink_rcv_skb+0x130/0x360 [ 245.467712][ T10] netlink_unicast+0x449/0x710 [ 245.467712][ T10] netlink_sendmsg+0x723/0xbe0 [ 245.467712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 245.467712][ T10] ___sys_sendmsg+0xee/0x170 [ 245.467712][ T10] __sys_sendmsg+0xcd/0x170 [ 245.467712][ T10] do_syscall_64+0xc6/0x1e0 [ 245.467712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 245.467712][ T10] [ 245.470561][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 245.470561][ T10] netdev_get_by_index+0x5e/0x80 [ 245.470561][ T10] fib6_nh_init+0x3d8/0x1580 [ 245.470561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 245.470561][ T10] ip6_route_add+0x1c/0x140 [ 245.470561][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 245.470561][ T10] addrconf_add_dev+0xe2/0x170 [ 245.470561][ T10] inet6_addr_add+0x12f/0xa40 [ 245.470561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 245.470561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 245.470561][ T10] netlink_rcv_skb+0x130/0x360 [ 245.470561][ T10] netlink_unicast+0x449/0x710 [ 245.470561][ T10] netlink_sendmsg+0x723/0xbe0 [ 245.470561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 245.470561][ T10] ___sys_sendmsg+0xee/0x170 [ 245.470561][ T10] __sys_sendmsg+0xcd/0x170 [ 245.470561][ T10] do_syscall_64+0xc6/0x1e0 [ 245.470561][ T10] [ 245.473944][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 245.473944][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 245.473944][ T10] ipv6_find_idev+0x102/0x170 [ 245.473944][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 245.473944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 245.473944][ T10] netlink_rcv_skb+0x130/0x360 [ 245.473944][ T10] netlink_unicast+0x449/0x710 [ 245.473944][ T10] netlink_sendmsg+0x723/0xbe0 [ 245.473944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 245.473944][ T10] ___sys_sendmsg+0xee/0x170 [ 245.473944][ T10] __sys_sendmsg+0xcd/0x170 [ 245.473944][ T10] do_syscall_64+0xc6/0x1e0 [ 245.473944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 245.473944][ T10] [ 245.476587][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 245.476587][ T10] neigh_parms_alloc+0x1e5/0x510 [ 245.476587][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 245.476587][ T10] ipv6_find_idev+0x102/0x170 [ 245.476587][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 245.476587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 245.476587][ T10] netlink_rcv_skb+0x130/0x360 [ 245.476587][ T10] netlink_unicast+0x449/0x710 [ 245.476587][ T10] netlink_sendmsg+0x723/0xbe0 [ 245.476587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 245.476587][ T10] ___sys_sendmsg+0xee/0x170 [ 245.476587][ T10] __sys_sendmsg+0xcd/0x170 [ 245.476587][ T10] do_syscall_64+0xc6/0x1e0 [ 245.476587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 245.476587][ T10] [ 245.479518][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 245.479996][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 245.479996][ T10] netdev_get_by_index+0x5e/0x80 [ 245.479996][ T10] fib6_nh_init+0x3d8/0x1580 [ 245.479996][ T10] ip6_route_info_create+0xf18/0x17d0 [ 245.479996][ T10] addrconf_f6i_alloc+0x265/0x560 [ 245.479996][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 245.479996][ T10] addrconf_join_anycast+0x1c0/0x220 [ 245.479996][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 245.479996][ T10] addrconf_dad_completed+0x12b/0xe20 [ 245.479996][ T10] addrconf_dad_begin+0x310/0x670 [ 245.479996][ T10] addrconf_dad_work+0x10b/0xab0 [ 245.479996][ T10] process_one_work+0x84d/0x18a0 [ 245.479996][ T10] worker_thread+0x587/0xd30 [ 245.479996][ T10] kthread+0x28a/0x350 [ 245.479996][ T10] ret_from_fork+0x31/0x70 [ 245.479996][ T10] ret_from_fork_asm+0x1a/0x30 [ 245.479996][ T10] [ 245.482984][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 245.482984][ T10] netdev_get_by_index+0x5e/0x80 [ 245.482984][ T10] fib6_nh_init+0x3d8/0x1580 [ 245.482984][ T10] ip6_route_info_create+0xf18/0x17d0 [ 245.482984][ T10] ip6_route_add+0x1c/0x140 [ 245.482984][ T10] addrconf_prefix_route+0x2a6/0x430 [ 245.482984][ T10] inet6_addr_add+0x4f8/0xa40 [ 245.482984][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 245.482984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 245.482984][ T10] netlink_rcv_skb+0x130/0x360 [ 245.482984][ T10] netlink_unicast+0x449/0x710 [ 245.482984][ T10] netlink_sendmsg+0x723/0xbe0 [ 245.482984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 245.482984][ T10] ___sys_sendmsg+0xee/0x170 [ 245.482984][ T10] __sys_sendmsg+0xcd/0x170 [ 245.482984][ T10] do_syscall_64+0xc6/0x1e0 [ 245.482984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 245.482984][ T10] [ 245.485259][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 245.485259][ T10] netdev_get_by_index+0x5e/0x80 [ 245.485259][ T10] fib6_nh_init+0x3d8/0x1580 [ 245.485259][ T10] ip6_route_info_create+0xf18/0x17d0 [ 245.485259][ T10] addrconf_f6i_alloc+0x315/0x560 [ 245.485259][ T10] ipv6_add_addr+0x411/0x2000 [ 245.485259][ T10] inet6_addr_add+0x30e/0xa40 [ 245.485259][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 245.485259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 245.485259][ T10] netlink_rcv_skb+0x130/0x360 [ 245.485259][ T10] netlink_unicast+0x449/0x710 [ 245.485259][ T10] netlink_sendmsg+0x723/0xbe0 [ 245.485259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 245.485259][ T10] ___sys_sendmsg+0xee/0x170 [ 245.485259][ T10] __sys_sendmsg+0xcd/0x170 [ 245.485259][ T10] do_syscall_64+0xc6/0x1e0 [ 245.485259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 245.485259][ T10] [ 245.487682][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 245.487682][ T10] netdev_get_by_index+0x5e/0x80 [ 245.487682][ T10] fib6_nh_init+0x3d8/0x1580 [ 245.487682][ T10] ip6_route_info_create+0xf18/0x17d0 [ 245.487682][ T10] ip6_route_add+0x1c/0x140 [ 245.487682][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 245.487682][ T10] addrconf_add_dev+0xe2/0x170 [ 245.487682][ T10] inet6_addr_add+0x12f/0xa40 [ 245.487682][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 245.487682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 245.487682][ T10] netlink_rcv_skb+0x130/0x360 [ 245.487682][ T10] netlink_unicast+0x449/0x710 [ 245.487682][ T10] netlink_sendmsg+0x723/0xbe0 [ 245.487682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 245.487682][ T10] ___sys_sendmsg+0xee/0x170 [ 245.487682][ T10] __sys_sendmsg+0xcd/0x170 [ 245.487682][ T10] do_syscall_64+0xc6/0x1e0 [ 245.487682][ T10] [ 245.489902][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 245.489902][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 245.489902][ T10] ipv6_find_idev+0x102/0x170 [ 245.489902][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 245.489902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 245.489902][ T10] netlink_rcv_skb+0x130/0x360 [ 245.489902][ T10] netlink_unicast+0x449/0x710 [ 245.489902][ T10] netlink_sendmsg+0x723/0xbe0 [ 245.489902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 245.489902][ T10] ___sys_sendmsg+0xee/0x170 [ 245.489902][ T10] __sys_sendmsg+0xcd/0x170 [ 245.489902][ T10] do_syscall_64+0xc6/0x1e0 [ 245.489902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 245.489902][ T10] [ 245.491631][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 245.491631][ T10] neigh_parms_alloc+0x1e5/0x510 [ 245.491631][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 245.491631][ T10] ipv6_find_idev+0x102/0x170 [ 245.491631][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 245.491631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 245.491631][ T10] netlink_rcv_skb+0x130/0x360 [ 245.491631][ T10] netlink_unicast+0x449/0x710 [ 245.491631][ T10] netlink_sendmsg+0x723/0xbe0 [ 245.491631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 245.491631][ T10] ___sys_sendmsg+0xee/0x170 [ 245.491631][ T10] __sys_sendmsg+0xcd/0x170 [ 245.491631][ T10] do_syscall_64+0xc6/0x1e0 [ 245.491631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 245.491631][ T10] [ 249.137168][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 249.137656][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 249.137656][ T1167] dst_init+0x84/0x4a0 [ 249.137656][ T1167] dst_alloc+0x97/0x150 [ 249.137656][ T1167] ip6_dst_alloc+0x23/0x90 [ 249.137656][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 249.137656][ T1167] ip6_pol_route+0x56f/0x840 [ 249.137656][ T1167] fib6_rule_lookup+0x334/0x630 [ 249.137656][ T1167] ip6_route_output_flags+0x259/0x480 [ 249.137656][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 249.137656][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 249.137656][ T1167] netlink_rcv_skb+0x130/0x360 [ 249.137656][ T1167] netlink_unicast+0x449/0x710 [ 249.137656][ T1167] netlink_sendmsg+0x723/0xbe0 [ 249.137656][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 249.137656][ T1167] ___sys_sendmsg+0xee/0x170 [ 249.137656][ T1167] __sys_sendmsg+0xcd/0x170 [ 249.137656][ T1167] do_syscall_64+0xc6/0x1e0 [ 249.137656][ T1167] [ 249.139967][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 249.139967][ T1167] netdev_get_by_index+0x5e/0x80 [ 249.139967][ T1167] fib6_nh_init+0x3d8/0x1580 [ 249.139967][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 249.139967][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 249.139967][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 249.139967][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 249.139967][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 249.139967][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 249.139967][ T1167] addrconf_dad_begin+0x310/0x670 [ 249.139967][ T1167] addrconf_dad_work+0x10b/0xab0 [ 249.139967][ T1167] process_one_work+0x84d/0x18a0 [ 249.139967][ T1167] worker_thread+0x587/0xd30 [ 249.139967][ T1167] kthread+0x28a/0x350 [ 249.139967][ T1167] ret_from_fork+0x31/0x70 [ 249.139967][ T1167] ret_from_fork_asm+0x1a/0x30 [ 249.139967][ T1167] [ 249.142139][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 249.142139][ T1167] netdev_get_by_index+0x5e/0x80 [ 249.142139][ T1167] fib6_nh_init+0x3d8/0x1580 [ 249.142139][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 249.142139][ T1167] ip6_route_add+0x1c/0x140 [ 249.142139][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 249.142139][ T1167] inet6_addr_add+0x4f8/0xa40 [ 249.142139][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 249.142139][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 249.142139][ T1167] netlink_rcv_skb+0x130/0x360 [ 249.142139][ T1167] netlink_unicast+0x449/0x710 [ 249.142139][ T1167] netlink_sendmsg+0x723/0xbe0 [ 249.142139][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 249.142139][ T1167] ___sys_sendmsg+0xee/0x170 [ 249.142139][ T1167] __sys_sendmsg+0xcd/0x170 [ 249.142139][ T1167] do_syscall_64+0xc6/0x1e0 [ 249.142139][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 249.142139][ T1167] [ 249.144451][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 249.144451][ T1167] netdev_get_by_index+0x5e/0x80 [ 249.144451][ T1167] fib6_nh_init+0x3d8/0x1580 [ 249.144451][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 249.144451][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 249.144451][ T1167] ipv6_add_addr+0x411/0x2000 [ 249.144451][ T1167] inet6_addr_add+0x30e/0xa40 [ 249.144451][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 249.144451][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 249.144451][ T1167] netlink_rcv_skb+0x130/0x360 [ 249.144451][ T1167] netlink_unicast+0x449/0x710 [ 249.144451][ T1167] netlink_sendmsg+0x723/0xbe0 [ 249.144451][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 249.144451][ T1167] ___sys_sendmsg+0xee/0x170 [ 249.144451][ T1167] __sys_sendmsg+0xcd/0x170 [ 249.144451][ T1167] do_syscall_64+0xc6/0x1e0 [ 249.144451][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 249.144451][ T1167] [ 249.146712][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 249.146712][ T1167] netdev_get_by_index+0x5e/0x80 [ 249.146712][ T1167] fib6_nh_init+0x3d8/0x1580 [ 249.146712][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 249.146712][ T1167] ip6_route_add+0x1c/0x140 [ 249.146712][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 249.146712][ T1167] addrconf_add_dev+0xe2/0x170 [ 249.146712][ T1167] inet6_addr_add+0x12f/0xa40 [ 249.146712][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 249.146712][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 249.146712][ T1167] netlink_rcv_skb+0x130/0x360 [ 249.146712][ T1167] netlink_unicast+0x449/0x710 [ 249.146712][ T1167] netlink_sendmsg+0x723/0xbe0 [ 249.146712][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 249.146712][ T1167] ___sys_sendmsg+0xee/0x170 [ 249.146712][ T1167] __sys_sendmsg+0xcd/0x170 [ 249.146712][ T1167] do_syscall_64+0xc6/0x1e0 [ 249.146712][ T1167] [ 249.148946][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 249.148946][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 249.148946][ T1167] ipv6_find_idev+0x102/0x170 [ 249.148946][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 249.148946][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 249.148946][ T1167] netlink_rcv_skb+0x130/0x360 [ 249.148946][ T1167] netlink_unicast+0x449/0x710 [ 249.148946][ T1167] netlink_sendmsg+0x723/0xbe0 [ 249.148946][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 249.148946][ T1167] ___sys_sendmsg+0xee/0x170 [ 249.148946][ T1167] __sys_sendmsg+0xcd/0x170 [ 249.148946][ T1167] do_syscall_64+0xc6/0x1e0 [ 249.148946][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 249.148946][ T1167] [ 249.150692][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 249.150692][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 249.150692][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 249.150692][ T1167] ipv6_find_idev+0x102/0x170 [ 249.150692][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 249.150692][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 249.150692][ T1167] netlink_rcv_skb+0x130/0x360 [ 249.150692][ T1167] netlink_unicast+0x449/0x710 [ 249.150692][ T1167] netlink_sendmsg+0x723/0xbe0 [ 249.150692][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 249.150692][ T1167] ___sys_sendmsg+0xee/0x170 [ 249.150692][ T1167] __sys_sendmsg+0xcd/0x170 [ 249.150692][ T1167] do_syscall_64+0xc6/0x1e0 [ 249.150692][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 249.150692][ T1167] [ 255.537100][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 255.537617][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 255.537617][ T10] netdev_get_by_index+0x5e/0x80 [ 255.537617][ T10] fib6_nh_init+0x3d8/0x1580 [ 255.537617][ T10] ip6_route_info_create+0xf18/0x17d0 [ 255.537617][ T10] addrconf_f6i_alloc+0x265/0x560 [ 255.537617][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 255.537617][ T10] addrconf_join_anycast+0x1c0/0x220 [ 255.537617][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 255.537617][ T10] addrconf_dad_completed+0x12b/0xe20 [ 255.537617][ T10] addrconf_dad_begin+0x310/0x670 [ 255.537617][ T10] addrconf_dad_work+0x10b/0xab0 [ 255.537617][ T10] process_one_work+0x84d/0x18a0 [ 255.537617][ T10] worker_thread+0x587/0xd30 [ 255.537617][ T10] kthread+0x28a/0x350 [ 255.537617][ T10] ret_from_fork+0x31/0x70 [ 255.537617][ T10] ret_from_fork_asm+0x1a/0x30 [ 255.537617][ T10] [ 255.539769][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 255.539769][ T10] netdev_get_by_index+0x5e/0x80 [ 255.539769][ T10] fib6_nh_init+0x3d8/0x1580 [ 255.539769][ T10] ip6_route_info_create+0xf18/0x17d0 [ 255.539769][ T10] ip6_route_add+0x1c/0x140 [ 255.539769][ T10] addrconf_prefix_route+0x2a6/0x430 [ 255.539769][ T10] inet6_addr_add+0x4f8/0xa40 [ 255.539769][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 255.539769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 255.539769][ T10] netlink_rcv_skb+0x130/0x360 [ 255.539769][ T10] netlink_unicast+0x449/0x710 [ 255.539769][ T10] netlink_sendmsg+0x723/0xbe0 [ 255.539769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 255.539769][ T10] ___sys_sendmsg+0xee/0x170 [ 255.539769][ T10] __sys_sendmsg+0xcd/0x170 [ 255.539769][ T10] do_syscall_64+0xc6/0x1e0 [ 255.539769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 255.539769][ T10] [ 255.542029][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 255.542029][ T10] netdev_get_by_index+0x5e/0x80 [ 255.542029][ T10] fib6_nh_init+0x3d8/0x1580 [ 255.542029][ T10] ip6_route_info_create+0xf18/0x17d0 [ 255.542029][ T10] addrconf_f6i_alloc+0x315/0x560 [ 255.542029][ T10] ipv6_add_addr+0x411/0x2000 [ 255.542029][ T10] inet6_addr_add+0x30e/0xa40 [ 255.542029][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 255.542029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 255.542029][ T10] netlink_rcv_skb+0x130/0x360 [ 255.542029][ T10] netlink_unicast+0x449/0x710 [ 255.542029][ T10] netlink_sendmsg+0x723/0xbe0 [ 255.542029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 255.542029][ T10] ___sys_sendmsg+0xee/0x170 [ 255.542029][ T10] __sys_sendmsg+0xcd/0x170 [ 255.542029][ T10] do_syscall_64+0xc6/0x1e0 [ 255.542029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 255.542029][ T10] [ 255.544045][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 255.544045][ T10] netdev_get_by_index+0x5e/0x80 [ 255.544045][ T10] fib6_nh_init+0x3d8/0x1580 [ 255.544045][ T10] ip6_route_info_create+0xf18/0x17d0 [ 255.544045][ T10] ip6_route_add+0x1c/0x140 [ 255.544045][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 255.544045][ T10] addrconf_add_dev+0xe2/0x170 [ 255.544045][ T10] inet6_addr_add+0x12f/0xa40 [ 255.544045][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 255.544045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 255.544045][ T10] netlink_rcv_skb+0x130/0x360 [ 255.544045][ T10] netlink_unicast+0x449/0x710 [ 255.544045][ T10] netlink_sendmsg+0x723/0xbe0 [ 255.544045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 255.544045][ T10] ___sys_sendmsg+0xee/0x170 [ 255.544045][ T10] __sys_sendmsg+0xcd/0x170 [ 255.544045][ T10] do_syscall_64+0xc6/0x1e0 [ 255.544045][ T10] [ 255.546054][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 255.546054][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 255.546054][ T10] ipv6_find_idev+0x102/0x170 [ 255.546054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 255.546054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 255.546054][ T10] netlink_rcv_skb+0x130/0x360 [ 255.546054][ T10] netlink_unicast+0x449/0x710 [ 255.546054][ T10] netlink_sendmsg+0x723/0xbe0 [ 255.546054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 255.546054][ T10] ___sys_sendmsg+0xee/0x170 [ 255.546054][ T10] __sys_sendmsg+0xcd/0x170 [ 255.546054][ T10] do_syscall_64+0xc6/0x1e0 [ 255.546054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 255.546054][ T10] [ 255.547616][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 255.547616][ T10] neigh_parms_alloc+0x1e5/0x510 [ 255.547616][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 255.547616][ T10] ipv6_find_idev+0x102/0x170 [ 255.547616][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 255.547616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 255.547616][ T10] netlink_rcv_skb+0x130/0x360 [ 255.547616][ T10] netlink_unicast+0x449/0x710 [ 255.547616][ T10] netlink_sendmsg+0x723/0xbe0 [ 255.547616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 255.547616][ T10] ___sys_sendmsg+0xee/0x170 [ 255.547616][ T10] __sys_sendmsg+0xcd/0x170 [ 255.547616][ T10] do_syscall_64+0xc6/0x1e0 [ 255.547616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 255.547616][ T10] [ 255.549382][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 255.549644][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 255.549644][ T10] netdev_get_by_index+0x5e/0x80 [ 255.549644][ T10] fib6_nh_init+0x3d8/0x1580 [ 255.549644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 255.549644][ T10] addrconf_f6i_alloc+0x265/0x560 [ 255.549644][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 255.549644][ T10] addrconf_join_anycast+0x1c0/0x220 [ 255.549644][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 255.549644][ T10] addrconf_dad_completed+0x12b/0xe20 [ 255.549644][ T10] addrconf_dad_begin+0x310/0x670 [ 255.549644][ T10] addrconf_dad_work+0x10b/0xab0 [ 255.549644][ T10] process_one_work+0x84d/0x18a0 [ 255.549644][ T10] worker_thread+0x587/0xd30 [ 255.549644][ T10] kthread+0x28a/0x350 [ 255.549644][ T10] ret_from_fork+0x31/0x70 [ 255.549644][ T10] ret_from_fork_asm+0x1a/0x30 [ 255.549644][ T10] [ 255.551648][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 255.551648][ T10] netdev_get_by_index+0x5e/0x80 [ 255.551648][ T10] fib6_nh_init+0x3d8/0x1580 [ 255.551648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 255.551648][ T10] ip6_route_add+0x1c/0x140 [ 255.551648][ T10] addrconf_prefix_route+0x2a6/0x430 [ 255.551648][ T10] inet6_addr_add+0x4f8/0xa40 [ 255.551648][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 255.551648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 255.551648][ T10] netlink_rcv_skb+0x130/0x360 [ 255.551648][ T10] netlink_unicast+0x449/0x710 [ 255.551648][ T10] netlink_sendmsg+0x723/0xbe0 [ 255.551648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 255.551648][ T10] ___sys_sendmsg+0xee/0x170 [ 255.551648][ T10] __sys_sendmsg+0xcd/0x170 [ 255.551648][ T10] do_syscall_64+0xc6/0x1e0 [ 255.551648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 255.551648][ T10] [ 255.553721][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 255.553721][ T10] netdev_get_by_index+0x5e/0x80 [ 255.553721][ T10] fib6_nh_init+0x3d8/0x1580 [ 255.553721][ T10] ip6_route_info_create+0xf18/0x17d0 [ 255.553721][ T10] addrconf_f6i_alloc+0x315/0x560 [ 255.553721][ T10] ipv6_add_addr+0x411/0x2000 [ 255.553721][ T10] inet6_addr_add+0x30e/0xa40 [ 255.553721][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 255.553721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 255.553721][ T10] netlink_rcv_skb+0x130/0x360 [ 255.553721][ T10] netlink_unicast+0x449/0x710 [ 255.553721][ T10] netlink_sendmsg+0x723/0xbe0 [ 255.553721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 255.553721][ T10] ___sys_sendmsg+0xee/0x170 [ 255.553721][ T10] __sys_sendmsg+0xcd/0x170 [ 255.553721][ T10] do_syscall_64+0xc6/0x1e0 [ 255.553721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 255.553721][ T10] [ 255.555867][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 255.555867][ T10] netdev_get_by_index+0x5e/0x80 [ 255.555867][ T10] fib6_nh_init+0x3d8/0x1580 [ 255.555867][ T10] ip6_route_info_create+0xf18/0x17d0 [ 255.555867][ T10] ip6_route_add+0x1c/0x140 [ 255.555867][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 255.555867][ T10] addrconf_add_dev+0xe2/0x170 [ 255.555867][ T10] inet6_addr_add+0x12f/0xa40 [ 255.555867][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 255.555867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 255.555867][ T10] netlink_rcv_skb+0x130/0x360 [ 255.555867][ T10] netlink_unicast+0x449/0x710 [ 255.555867][ T10] netlink_sendmsg+0x723/0xbe0 [ 255.555867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 255.555867][ T10] ___sys_sendmsg+0xee/0x170 [ 255.555867][ T10] __sys_sendmsg+0xcd/0x170 [ 255.555867][ T10] do_syscall_64+0xc6/0x1e0 [ 255.555867][ T10] [ 255.557916][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 255.557916][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 255.557916][ T10] ipv6_find_idev+0x102/0x170 [ 255.557916][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 255.557916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 255.557916][ T10] netlink_rcv_skb+0x130/0x360 [ 255.557916][ T10] netlink_unicast+0x449/0x710 [ 255.557916][ T10] netlink_sendmsg+0x723/0xbe0 [ 255.557916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 255.557916][ T10] ___sys_sendmsg+0xee/0x170 [ 255.557916][ T10] __sys_sendmsg+0xcd/0x170 [ 255.557916][ T10] do_syscall_64+0xc6/0x1e0 [ 255.557916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 255.557916][ T10] [ 255.559494][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 255.559494][ T10] neigh_parms_alloc+0x1e5/0x510 [ 255.559494][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 255.559494][ T10] ipv6_find_idev+0x102/0x170 [ 255.559494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 255.559494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 255.559494][ T10] netlink_rcv_skb+0x130/0x360 [ 255.559494][ T10] netlink_unicast+0x449/0x710 [ 255.559494][ T10] netlink_sendmsg+0x723/0xbe0 [ 255.559494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 255.559494][ T10] ___sys_sendmsg+0xee/0x170 [ 255.559494][ T10] __sys_sendmsg+0xcd/0x170 [ 255.559494][ T10] do_syscall_64+0xc6/0x1e0 [ 255.559494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 255.559494][ T10] [ 255.561255][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 255.561519][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 255.561519][ T10] netdev_get_by_index+0x5e/0x80 [ 255.561519][ T10] fib6_nh_init+0x3d8/0x1580 [ 255.561519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 255.561519][ T10] addrconf_f6i_alloc+0x265/0x560 [ 255.561519][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 255.561519][ T10] addrconf_join_anycast+0x1c0/0x220 [ 255.561519][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 255.561519][ T10] addrconf_dad_completed+0x12b/0xe20 [ 255.561519][ T10] addrconf_dad_begin+0x310/0x670 [ 255.561519][ T10] addrconf_dad_work+0x10b/0xab0 [ 255.561519][ T10] process_one_work+0x84d/0x18a0 [ 255.561519][ T10] worker_thread+0x587/0xd30 [ 255.561519][ T10] kthread+0x28a/0x350 [ 255.561519][ T10] ret_from_fork+0x31/0x70 [ 255.561519][ T10] ret_from_fork_asm+0x1a/0x30 [ 255.561519][ T10] [ 255.563462][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 255.563462][ T10] netdev_get_by_index+0x5e/0x80 [ 255.563462][ T10] fib6_nh_init+0x3d8/0x1580 [ 255.563462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 255.563462][ T10] ip6_route_add+0x1c/0x140 [ 255.563462][ T10] addrconf_prefix_route+0x2a6/0x430 [ 255.563462][ T10] inet6_addr_add+0x4f8/0xa40 [ 255.563462][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 255.563462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 255.563462][ T10] netlink_rcv_skb+0x130/0x360 [ 255.563462][ T10] netlink_unicast+0x449/0x710 [ 255.563462][ T10] netlink_sendmsg+0x723/0xbe0 [ 255.563462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 255.563462][ T10] ___sys_sendmsg+0xee/0x170 [ 255.563462][ T10] __sys_sendmsg+0xcd/0x170 [ 255.563462][ T10] do_syscall_64+0xc6/0x1e0 [ 255.563462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 255.563462][ T10] [ 255.565735][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 255.565735][ T10] netdev_get_by_index+0x5e/0x80 [ 255.565735][ T10] fib6_nh_init+0x3d8/0x1580 [ 255.565735][ T10] ip6_route_info_create+0xf18/0x17d0 [ 255.565735][ T10] addrconf_f6i_alloc+0x315/0x560 [ 255.565735][ T10] ipv6_add_addr+0x411/0x2000 [ 255.565735][ T10] inet6_addr_add+0x30e/0xa40 [ 255.565735][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 255.565735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 255.565735][ T10] netlink_rcv_skb+0x130/0x360 [ 255.565735][ T10] netlink_unicast+0x449/0x710 [ 255.565735][ T10] netlink_sendmsg+0x723/0xbe0 [ 255.565735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 255.565735][ T10] ___sys_sendmsg+0xee/0x170 [ 255.565735][ T10] __sys_sendmsg+0xcd/0x170 [ 255.565735][ T10] do_syscall_64+0xc6/0x1e0 [ 255.565735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 255.565735][ T10] [ 255.567993][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 255.567993][ T10] netdev_get_by_index+0x5e/0x80 [ 255.567993][ T10] fib6_nh_init+0x3d8/0x1580 [ 255.567993][ T10] ip6_route_info_create+0xf18/0x17d0 [ 255.567993][ T10] ip6_route_add+0x1c/0x140 [ 255.567993][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 255.567993][ T10] addrconf_add_dev+0xe2/0x170 [ 255.567993][ T10] inet6_addr_add+0x12f/0xa40 [ 255.567993][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 255.567993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 255.567993][ T10] netlink_rcv_skb+0x130/0x360 [ 255.567993][ T10] netlink_unicast+0x449/0x710 [ 255.567993][ T10] netlink_sendmsg+0x723/0xbe0 [ 255.567993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 255.567993][ T10] ___sys_sendmsg+0xee/0x170 [ 255.567993][ T10] __sys_sendmsg+0xcd/0x170 [ 255.567993][ T10] do_syscall_64+0xc6/0x1e0 [ 255.567993][ T10] [ 255.570210][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 255.570210][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 255.570210][ T10] ipv6_find_idev+0x102/0x170 [ 255.570210][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 255.570210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 255.570210][ T10] netlink_rcv_skb+0x130/0x360 [ 255.570210][ T10] netlink_unicast+0x449/0x710 [ 255.570210][ T10] netlink_sendmsg+0x723/0xbe0 [ 255.570210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 255.570210][ T10] ___sys_sendmsg+0xee/0x170 [ 255.570210][ T10] __sys_sendmsg+0xcd/0x170 [ 255.570210][ T10] do_syscall_64+0xc6/0x1e0 [ 255.570210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 255.570210][ T10] [ 255.571945][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 255.571945][ T10] neigh_parms_alloc+0x1e5/0x510 [ 255.571945][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 255.571945][ T10] ipv6_find_idev+0x102/0x170 [ 255.571945][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 255.571945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 255.571945][ T10] netlink_rcv_skb+0x130/0x360 [ 255.571945][ T10] netlink_unicast+0x449/0x710 [ 255.571945][ T10] netlink_sendmsg+0x723/0xbe0 [ 255.571945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 255.571945][ T10] ___sys_sendmsg+0xee/0x170 [ 255.571945][ T10] __sys_sendmsg+0xcd/0x170 [ 255.571945][ T10] do_syscall_64+0xc6/0x1e0 [ 255.571945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 255.571945][ T10] [ 255.573841][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 255.574641][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 255.574641][ T10] netdev_get_by_index+0x5e/0x80 [ 255.574641][ T10] fib6_nh_init+0x3d8/0x1580 [ 255.574641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 255.574641][ T10] addrconf_f6i_alloc+0x265/0x560 [ 255.574641][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 255.574641][ T10] addrconf_join_anycast+0x1c0/0x220 [ 255.574641][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 255.574641][ T10] addrconf_dad_completed+0x12b/0xe20 [ 255.574641][ T10] addrconf_dad_begin+0x310/0x670 [ 255.574641][ T10] addrconf_dad_work+0x10b/0xab0 [ 255.574641][ T10] process_one_work+0x84d/0x18a0 [ 255.574641][ T10] worker_thread+0x587/0xd30 [ 255.574641][ T10] kthread+0x28a/0x350 [ 255.574641][ T10] ret_from_fork+0x31/0x70 [ 255.574641][ T10] ret_from_fork_asm+0x1a/0x30 [ 255.574641][ T10] [ 255.576594][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 255.576594][ T10] netdev_get_by_index+0x5e/0x80 [ 255.576594][ T10] fib6_nh_init+0x3d8/0x1580 [ 255.576594][ T10] ip6_route_info_create+0xf18/0x17d0 [ 255.576594][ T10] ip6_route_add+0x1c/0x140 [ 255.576594][ T10] addrconf_prefix_route+0x2a6/0x430 [ 255.576594][ T10] inet6_addr_add+0x4f8/0xa40 [ 255.576594][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 255.576594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 255.576594][ T10] netlink_rcv_skb+0x130/0x360 [ 255.576594][ T10] netlink_unicast+0x449/0x710 [ 255.576594][ T10] netlink_sendmsg+0x723/0xbe0 [ 255.576594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 255.576594][ T10] ___sys_sendmsg+0xee/0x170 [ 255.576594][ T10] __sys_sendmsg+0xcd/0x170 [ 255.576594][ T10] do_syscall_64+0xc6/0x1e0 [ 255.576594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 255.576594][ T10] [ 255.578629][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 255.578629][ T10] netdev_get_by_index+0x5e/0x80 [ 255.578629][ T10] fib6_nh_init+0x3d8/0x1580 [ 255.578629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 255.578629][ T10] addrconf_f6i_alloc+0x315/0x560 [ 255.578629][ T10] ipv6_add_addr+0x411/0x2000 [ 255.578629][ T10] inet6_addr_add+0x30e/0xa40 [ 255.578629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 255.578629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 255.578629][ T10] netlink_rcv_skb+0x130/0x360 [ 255.578629][ T10] netlink_unicast+0x449/0x710 [ 255.578629][ T10] netlink_sendmsg+0x723/0xbe0 [ 255.578629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 255.578629][ T10] ___sys_sendmsg+0xee/0x170 [ 255.578629][ T10] __sys_sendmsg+0xcd/0x170 [ 255.578629][ T10] do_syscall_64+0xc6/0x1e0 [ 255.578629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 255.578629][ T10] [ 255.580947][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 255.580947][ T10] netdev_get_by_index+0x5e/0x80 [ 255.580947][ T10] fib6_nh_init+0x3d8/0x1580 [ 255.580947][ T10] ip6_route_info_create+0xf18/0x17d0 [ 255.580947][ T10] ip6_route_add+0x1c/0x140 [ 255.580947][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 255.580947][ T10] addrconf_add_dev+0xe2/0x170 [ 255.580947][ T10] inet6_addr_add+0x12f/0xa40 [ 255.580947][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 255.580947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 255.580947][ T10] netlink_rcv_skb+0x130/0x360 [ 255.580947][ T10] netlink_unicast+0x449/0x710 [ 255.580947][ T10] netlink_sendmsg+0x723/0xbe0 [ 255.580947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 255.580947][ T10] ___sys_sendmsg+0xee/0x170 [ 255.580947][ T10] __sys_sendmsg+0xcd/0x170 [ 255.580947][ T10] do_syscall_64+0xc6/0x1e0 [ 255.580947][ T10] [ 255.583174][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 255.583174][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 255.583174][ T10] ipv6_find_idev+0x102/0x170 [ 255.583174][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 255.583174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 255.583174][ T10] netlink_rcv_skb+0x130/0x360 [ 255.583174][ T10] netlink_unicast+0x449/0x710 [ 255.583174][ T10] netlink_sendmsg+0x723/0xbe0 [ 255.583174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 255.583174][ T10] ___sys_sendmsg+0xee/0x170 [ 255.583174][ T10] __sys_sendmsg+0xcd/0x170 [ 255.583174][ T10] do_syscall_64+0xc6/0x1e0 [ 255.583174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 255.583174][ T10] [ 255.584946][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 255.584946][ T10] neigh_parms_alloc+0x1e5/0x510 [ 255.584946][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 255.584946][ T10] ipv6_find_idev+0x102/0x170 [ 255.584946][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 255.584946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 255.584946][ T10] netlink_rcv_skb+0x130/0x360 [ 255.584946][ T10] netlink_unicast+0x449/0x710 [ 255.584946][ T10] netlink_sendmsg+0x723/0xbe0 [ 255.584946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 255.584946][ T10] ___sys_sendmsg+0xee/0x170 [ 255.584946][ T10] __sys_sendmsg+0xcd/0x170 [ 255.584946][ T10] do_syscall_64+0xc6/0x1e0 [ 255.584946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 255.584946][ T10] [ 259.345181][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 259.345844][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 259.345844][ T1167] dst_init+0x84/0x4a0 [ 259.345844][ T1167] dst_alloc+0x97/0x150 [ 259.345844][ T1167] ip6_dst_alloc+0x23/0x90 [ 259.345844][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 259.345844][ T1167] ip6_pol_route+0x56f/0x840 [ 259.345844][ T1167] fib6_rule_lookup+0x334/0x630 [ 259.345844][ T1167] ip6_route_output_flags+0x259/0x480 [ 259.345844][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 259.345844][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 259.345844][ T1167] netlink_rcv_skb+0x130/0x360 [ 259.345844][ T1167] netlink_unicast+0x449/0x710 [ 259.345844][ T1167] netlink_sendmsg+0x723/0xbe0 [ 259.345844][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 259.345844][ T1167] ___sys_sendmsg+0xee/0x170 [ 259.345844][ T1167] __sys_sendmsg+0xcd/0x170 [ 259.345844][ T1167] do_syscall_64+0xc6/0x1e0 [ 259.345844][ T1167] [ 259.349683][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 259.349683][ T1167] netdev_get_by_index+0x5e/0x80 [ 259.349683][ T1167] fib6_nh_init+0x3d8/0x1580 [ 259.349683][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 259.349683][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 259.349683][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 259.349683][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 259.349683][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 259.349683][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 259.349683][ T1167] addrconf_dad_begin+0x310/0x670 [ 259.349683][ T1167] addrconf_dad_work+0x10b/0xab0 [ 259.349683][ T1167] process_one_work+0x84d/0x18a0 [ 259.349683][ T1167] worker_thread+0x587/0xd30 [ 259.349683][ T1167] kthread+0x28a/0x350 [ 259.349683][ T1167] ret_from_fork+0x31/0x70 [ 259.349683][ T1167] ret_from_fork_asm+0x1a/0x30 [ 259.349683][ T1167] [ 259.352414][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 259.352414][ T1167] netdev_get_by_index+0x5e/0x80 [ 259.352414][ T1167] fib6_nh_init+0x3d8/0x1580 [ 259.352414][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 259.352414][ T1167] ip6_route_add+0x1c/0x140 [ 259.352414][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 259.352414][ T1167] inet6_addr_add+0x4f8/0xa40 [ 259.352414][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 259.352414][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 259.352414][ T1167] netlink_rcv_skb+0x130/0x360 [ 259.352414][ T1167] netlink_unicast+0x449/0x710 [ 259.352414][ T1167] netlink_sendmsg+0x723/0xbe0 [ 259.352414][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 259.352414][ T1167] ___sys_sendmsg+0xee/0x170 [ 259.352414][ T1167] __sys_sendmsg+0xcd/0x170 [ 259.352414][ T1167] do_syscall_64+0xc6/0x1e0 [ 259.352414][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 259.352414][ T1167] [ 259.355141][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 259.355141][ T1167] netdev_get_by_index+0x5e/0x80 [ 259.355141][ T1167] fib6_nh_init+0x3d8/0x1580 [ 259.355141][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 259.355141][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 259.355141][ T1167] ipv6_add_addr+0x411/0x2000 [ 259.355141][ T1167] inet6_addr_add+0x30e/0xa40 [ 259.355141][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 259.355141][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 259.355141][ T1167] netlink_rcv_skb+0x130/0x360 [ 259.355141][ T1167] netlink_unicast+0x449/0x710 [ 259.355141][ T1167] netlink_sendmsg+0x723/0xbe0 [ 259.355141][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 259.355141][ T1167] ___sys_sendmsg+0xee/0x170 [ 259.355141][ T1167] __sys_sendmsg+0xcd/0x170 [ 259.355141][ T1167] do_syscall_64+0xc6/0x1e0 [ 259.355141][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 259.355141][ T1167] [ 259.357911][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 259.357911][ T1167] netdev_get_by_index+0x5e/0x80 [ 259.357911][ T1167] fib6_nh_init+0x3d8/0x1580 [ 259.357911][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 259.357911][ T1167] ip6_route_add+0x1c/0x140 [ 259.357911][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 259.357911][ T1167] addrconf_add_dev+0xe2/0x170 [ 259.357911][ T1167] inet6_addr_add+0x12f/0xa40 [ 259.357911][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 259.357911][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 259.357911][ T1167] netlink_rcv_skb+0x130/0x360 [ 259.357911][ T1167] netlink_unicast+0x449/0x710 [ 259.357911][ T1167] netlink_sendmsg+0x723/0xbe0 [ 259.357911][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 259.357911][ T1167] ___sys_sendmsg+0xee/0x170 [ 259.357911][ T1167] __sys_sendmsg+0xcd/0x170 [ 259.357911][ T1167] do_syscall_64+0xc6/0x1e0 [ 259.357911][ T1167] [ 259.361692][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 259.361692][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 259.361692][ T1167] ipv6_find_idev+0x102/0x170 [ 259.361692][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 259.361692][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 259.361692][ T1167] netlink_rcv_skb+0x130/0x360 [ 259.361692][ T1167] netlink_unicast+0x449/0x710 [ 259.361692][ T1167] netlink_sendmsg+0x723/0xbe0 [ 259.361692][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 259.361692][ T1167] ___sys_sendmsg+0xee/0x170 [ 259.361692][ T1167] __sys_sendmsg+0xcd/0x170 [ 259.361692][ T1167] do_syscall_64+0xc6/0x1e0 [ 259.361692][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 259.361692][ T1167] [ 259.364388][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 259.364388][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 259.364388][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 259.364388][ T1167] ipv6_find_idev+0x102/0x170 [ 259.364388][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 259.364388][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 259.364388][ T1167] netlink_rcv_skb+0x130/0x360 [ 259.364388][ T1167] netlink_unicast+0x449/0x710 [ 259.364388][ T1167] netlink_sendmsg+0x723/0xbe0 [ 259.364388][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 259.364388][ T1167] ___sys_sendmsg+0xee/0x170 [ 259.364388][ T1167] __sys_sendmsg+0xcd/0x170 [ 259.364388][ T1167] do_syscall_64+0xc6/0x1e0 [ 259.364388][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 259.364388][ T1167] [ 265.745161][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 265.745564][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 265.745564][ T10] netdev_get_by_index+0x5e/0x80 [ 265.745564][ T10] fib6_nh_init+0x3d8/0x1580 [ 265.745564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 265.745564][ T10] addrconf_f6i_alloc+0x265/0x560 [ 265.745564][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 265.745564][ T10] addrconf_join_anycast+0x1c0/0x220 [ 265.745564][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 265.745564][ T10] addrconf_dad_completed+0x12b/0xe20 [ 265.745564][ T10] addrconf_dad_begin+0x310/0x670 [ 265.745564][ T10] addrconf_dad_work+0x10b/0xab0 [ 265.745564][ T10] process_one_work+0x84d/0x18a0 [ 265.745564][ T10] worker_thread+0x587/0xd30 [ 265.745564][ T10] kthread+0x28a/0x350 [ 265.745564][ T10] ret_from_fork+0x31/0x70 [ 265.745564][ T10] ret_from_fork_asm+0x1a/0x30 [ 265.745564][ T10] [ 265.747865][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 265.747865][ T10] netdev_get_by_index+0x5e/0x80 [ 265.747865][ T10] fib6_nh_init+0x3d8/0x1580 [ 265.747865][ T10] ip6_route_info_create+0xf18/0x17d0 [ 265.747865][ T10] ip6_route_add+0x1c/0x140 [ 265.747865][ T10] addrconf_prefix_route+0x2a6/0x430 [ 265.747865][ T10] inet6_addr_add+0x4f8/0xa40 [ 265.747865][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 265.747865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 265.747865][ T10] netlink_rcv_skb+0x130/0x360 [ 265.747865][ T10] netlink_unicast+0x449/0x710 [ 265.747865][ T10] netlink_sendmsg+0x723/0xbe0 [ 265.747865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 265.747865][ T10] ___sys_sendmsg+0xee/0x170 [ 265.747865][ T10] __sys_sendmsg+0xcd/0x170 [ 265.747865][ T10] do_syscall_64+0xc6/0x1e0 [ 265.747865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 265.747865][ T10] [ 265.750153][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 265.750153][ T10] netdev_get_by_index+0x5e/0x80 [ 265.750153][ T10] fib6_nh_init+0x3d8/0x1580 [ 265.750153][ T10] ip6_route_info_create+0xf18/0x17d0 [ 265.750153][ T10] addrconf_f6i_alloc+0x315/0x560 [ 265.750153][ T10] ipv6_add_addr+0x411/0x2000 [ 265.750153][ T10] inet6_addr_add+0x30e/0xa40 [ 265.750153][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 265.750153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 265.750153][ T10] netlink_rcv_skb+0x130/0x360 [ 265.750153][ T10] netlink_unicast+0x449/0x710 [ 265.750153][ T10] netlink_sendmsg+0x723/0xbe0 [ 265.750153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 265.750153][ T10] ___sys_sendmsg+0xee/0x170 [ 265.750153][ T10] __sys_sendmsg+0xcd/0x170 [ 265.750153][ T10] do_syscall_64+0xc6/0x1e0 [ 265.750153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 265.750153][ T10] [ 265.752415][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 265.752415][ T10] netdev_get_by_index+0x5e/0x80 [ 265.752415][ T10] fib6_nh_init+0x3d8/0x1580 [ 265.752415][ T10] ip6_route_info_create+0xf18/0x17d0 [ 265.752415][ T10] ip6_route_add+0x1c/0x140 [ 265.752415][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 265.752415][ T10] addrconf_add_dev+0xe2/0x170 [ 265.752415][ T10] inet6_addr_add+0x12f/0xa40 [ 265.752415][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 265.752415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 265.752415][ T10] netlink_rcv_skb+0x130/0x360 [ 265.752415][ T10] netlink_unicast+0x449/0x710 [ 265.752415][ T10] netlink_sendmsg+0x723/0xbe0 [ 265.752415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 265.752415][ T10] ___sys_sendmsg+0xee/0x170 [ 265.752415][ T10] __sys_sendmsg+0xcd/0x170 [ 265.752415][ T10] do_syscall_64+0xc6/0x1e0 [ 265.752415][ T10] [ 265.754594][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 265.754594][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 265.754594][ T10] ipv6_find_idev+0x102/0x170 [ 265.754594][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 265.754594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 265.754594][ T10] netlink_rcv_skb+0x130/0x360 [ 265.754594][ T10] netlink_unicast+0x449/0x710 [ 265.754594][ T10] netlink_sendmsg+0x723/0xbe0 [ 265.754594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 265.754594][ T10] ___sys_sendmsg+0xee/0x170 [ 265.754594][ T10] __sys_sendmsg+0xcd/0x170 [ 265.754594][ T10] do_syscall_64+0xc6/0x1e0 [ 265.754594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 265.754594][ T10] [ 265.756187][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 265.756187][ T10] neigh_parms_alloc+0x1e5/0x510 [ 265.756187][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 265.756187][ T10] ipv6_find_idev+0x102/0x170 [ 265.756187][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 265.756187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 265.756187][ T10] netlink_rcv_skb+0x130/0x360 [ 265.756187][ T10] netlink_unicast+0x449/0x710 [ 265.756187][ T10] netlink_sendmsg+0x723/0xbe0 [ 265.756187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 265.756187][ T10] ___sys_sendmsg+0xee/0x170 [ 265.756187][ T10] __sys_sendmsg+0xcd/0x170 [ 265.756187][ T10] do_syscall_64+0xc6/0x1e0 [ 265.756187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 265.756187][ T10] [ 265.758045][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 265.758309][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 265.758309][ T10] netdev_get_by_index+0x5e/0x80 [ 265.758309][ T10] fib6_nh_init+0x3d8/0x1580 [ 265.758309][ T10] ip6_route_info_create+0xf18/0x17d0 [ 265.758309][ T10] addrconf_f6i_alloc+0x265/0x560 [ 265.758309][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 265.758309][ T10] addrconf_join_anycast+0x1c0/0x220 [ 265.758309][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 265.758309][ T10] addrconf_dad_completed+0x12b/0xe20 [ 265.758309][ T10] addrconf_dad_begin+0x310/0x670 [ 265.758309][ T10] addrconf_dad_work+0x10b/0xab0 [ 265.758309][ T10] process_one_work+0x84d/0x18a0 [ 265.758309][ T10] worker_thread+0x587/0xd30 [ 265.758309][ T10] kthread+0x28a/0x350 [ 265.758309][ T10] ret_from_fork+0x31/0x70 [ 265.758309][ T10] ret_from_fork_asm+0x1a/0x30 [ 265.758309][ T10] [ 265.760307][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 265.760307][ T10] netdev_get_by_index+0x5e/0x80 [ 265.760307][ T10] fib6_nh_init+0x3d8/0x1580 [ 265.760307][ T10] ip6_route_info_create+0xf18/0x17d0 [ 265.760307][ T10] ip6_route_add+0x1c/0x140 [ 265.760307][ T10] addrconf_prefix_route+0x2a6/0x430 [ 265.760307][ T10] inet6_addr_add+0x4f8/0xa40 [ 265.760307][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 265.760307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 265.760307][ T10] netlink_rcv_skb+0x130/0x360 [ 265.760307][ T10] netlink_unicast+0x449/0x710 [ 265.760307][ T10] netlink_sendmsg+0x723/0xbe0 [ 265.760307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 265.760307][ T10] ___sys_sendmsg+0xee/0x170 [ 265.760307][ T10] __sys_sendmsg+0xcd/0x170 [ 265.760307][ T10] do_syscall_64+0xc6/0x1e0 [ 265.760307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 265.760307][ T10] [ 265.762341][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 265.762341][ T10] netdev_get_by_index+0x5e/0x80 [ 265.762341][ T10] fib6_nh_init+0x3d8/0x1580 [ 265.762341][ T10] ip6_route_info_create+0xf18/0x17d0 [ 265.762341][ T10] addrconf_f6i_alloc+0x315/0x560 [ 265.762341][ T10] ipv6_add_addr+0x411/0x2000 [ 265.762341][ T10] inet6_addr_add+0x30e/0xa40 [ 265.762341][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 265.762341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 265.762341][ T10] netlink_rcv_skb+0x130/0x360 [ 265.762341][ T10] netlink_unicast+0x449/0x710 [ 265.762341][ T10] netlink_sendmsg+0x723/0xbe0 [ 265.762341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 265.762341][ T10] ___sys_sendmsg+0xee/0x170 [ 265.762341][ T10] __sys_sendmsg+0xcd/0x170 [ 265.762341][ T10] do_syscall_64+0xc6/0x1e0 [ 265.762341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 265.762341][ T10] [ 265.764415][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 265.764415][ T10] netdev_get_by_index+0x5e/0x80 [ 265.764415][ T10] fib6_nh_init+0x3d8/0x1580 [ 265.764415][ T10] ip6_route_info_create+0xf18/0x17d0 [ 265.764415][ T10] ip6_route_add+0x1c/0x140 [ 265.764415][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 265.764415][ T10] addrconf_add_dev+0xe2/0x170 [ 265.764415][ T10] inet6_addr_add+0x12f/0xa40 [ 265.764415][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 265.764415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 265.764415][ T10] netlink_rcv_skb+0x130/0x360 [ 265.764415][ T10] netlink_unicast+0x449/0x710 [ 265.764415][ T10] netlink_sendmsg+0x723/0xbe0 [ 265.764415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 265.764415][ T10] ___sys_sendmsg+0xee/0x170 [ 265.764415][ T10] __sys_sendmsg+0xcd/0x170 [ 265.764415][ T10] do_syscall_64+0xc6/0x1e0 [ 265.764415][ T10] [ 265.767375][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 265.767375][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 265.767375][ T10] ipv6_find_idev+0x102/0x170 [ 265.767375][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 265.767375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 265.767375][ T10] netlink_rcv_skb+0x130/0x360 [ 265.767375][ T10] netlink_unicast+0x449/0x710 [ 265.767375][ T10] netlink_sendmsg+0x723/0xbe0 [ 265.767375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 265.767375][ T10] ___sys_sendmsg+0xee/0x170 [ 265.767375][ T10] __sys_sendmsg+0xcd/0x170 [ 265.767375][ T10] do_syscall_64+0xc6/0x1e0 [ 265.767375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 265.767375][ T10] [ 265.769813][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 265.769813][ T10] neigh_parms_alloc+0x1e5/0x510 [ 265.769813][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 265.769813][ T10] ipv6_find_idev+0x102/0x170 [ 265.769813][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 265.769813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 265.769813][ T10] netlink_rcv_skb+0x130/0x360 [ 265.769813][ T10] netlink_unicast+0x449/0x710 [ 265.769813][ T10] netlink_sendmsg+0x723/0xbe0 [ 265.769813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 265.769813][ T10] ___sys_sendmsg+0xee/0x170 [ 265.769813][ T10] __sys_sendmsg+0xcd/0x170 [ 265.769813][ T10] do_syscall_64+0xc6/0x1e0 [ 265.769813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 265.769813][ T10] [ 265.772536][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 265.772920][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 265.772920][ T10] netdev_get_by_index+0x5e/0x80 [ 265.772920][ T10] fib6_nh_init+0x3d8/0x1580 [ 265.772920][ T10] ip6_route_info_create+0xf18/0x17d0 [ 265.772920][ T10] addrconf_f6i_alloc+0x265/0x560 [ 265.772920][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 265.772920][ T10] addrconf_join_anycast+0x1c0/0x220 [ 265.772920][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 265.772920][ T10] addrconf_dad_completed+0x12b/0xe20 [ 265.772920][ T10] addrconf_dad_begin+0x310/0x670 [ 265.772920][ T10] addrconf_dad_work+0x10b/0xab0 [ 265.772920][ T10] process_one_work+0x84d/0x18a0 [ 265.772920][ T10] worker_thread+0x587/0xd30 [ 265.772920][ T10] kthread+0x28a/0x350 [ 265.772920][ T10] ret_from_fork+0x31/0x70 [ 265.772920][ T10] ret_from_fork_asm+0x1a/0x30 [ 265.772920][ T10] [ 265.775929][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 265.775929][ T10] netdev_get_by_index+0x5e/0x80 [ 265.775929][ T10] fib6_nh_init+0x3d8/0x1580 [ 265.775929][ T10] ip6_route_info_create+0xf18/0x17d0 [ 265.775929][ T10] ip6_route_add+0x1c/0x140 [ 265.775929][ T10] addrconf_prefix_route+0x2a6/0x430 [ 265.775929][ T10] inet6_addr_add+0x4f8/0xa40 [ 265.775929][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 265.775929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 265.775929][ T10] netlink_rcv_skb+0x130/0x360 [ 265.775929][ T10] netlink_unicast+0x449/0x710 [ 265.775929][ T10] netlink_sendmsg+0x723/0xbe0 [ 265.775929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 265.775929][ T10] ___sys_sendmsg+0xee/0x170 [ 265.775929][ T10] __sys_sendmsg+0xcd/0x170 [ 265.775929][ T10] do_syscall_64+0xc6/0x1e0 [ 265.775929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 265.775929][ T10] [ 265.778579][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 265.778579][ T10] netdev_get_by_index+0x5e/0x80 [ 265.778579][ T10] fib6_nh_init+0x3d8/0x1580 [ 265.778579][ T10] ip6_route_info_create+0xf18/0x17d0 [ 265.778579][ T10] addrconf_f6i_alloc+0x315/0x560 [ 265.778579][ T10] ipv6_add_addr+0x411/0x2000 [ 265.778579][ T10] inet6_addr_add+0x30e/0xa40 [ 265.778579][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 265.778579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 265.778579][ T10] netlink_rcv_skb+0x130/0x360 [ 265.778579][ T10] netlink_unicast+0x449/0x710 [ 265.778579][ T10] netlink_sendmsg+0x723/0xbe0 [ 265.778579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 265.778579][ T10] ___sys_sendmsg+0xee/0x170 [ 265.778579][ T10] __sys_sendmsg+0xcd/0x170 [ 265.778579][ T10] do_syscall_64+0xc6/0x1e0 [ 265.778579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 265.778579][ T10] [ 265.780919][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 265.780919][ T10] netdev_get_by_index+0x5e/0x80 [ 265.780919][ T10] fib6_nh_init+0x3d8/0x1580 [ 265.780919][ T10] ip6_route_info_create+0xf18/0x17d0 [ 265.780919][ T10] ip6_route_add+0x1c/0x140 [ 265.780919][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 265.780919][ T10] addrconf_add_dev+0xe2/0x170 [ 265.780919][ T10] inet6_addr_add+0x12f/0xa40 [ 265.780919][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 265.780919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 265.780919][ T10] netlink_rcv_skb+0x130/0x360 [ 265.780919][ T10] netlink_unicast+0x449/0x710 [ 265.780919][ T10] netlink_sendmsg+0x723/0xbe0 [ 265.780919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 265.780919][ T10] ___sys_sendmsg+0xee/0x170 [ 265.780919][ T10] __sys_sendmsg+0xcd/0x170 [ 265.780919][ T10] do_syscall_64+0xc6/0x1e0 [ 265.780919][ T10] [ 265.783097][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 265.783097][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 265.783097][ T10] ipv6_find_idev+0x102/0x170 [ 265.783097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 265.783097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 265.783097][ T10] netlink_rcv_skb+0x130/0x360 [ 265.783097][ T10] netlink_unicast+0x449/0x710 [ 265.783097][ T10] netlink_sendmsg+0x723/0xbe0 [ 265.783097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 265.783097][ T10] ___sys_sendmsg+0xee/0x170 [ 265.783097][ T10] __sys_sendmsg+0xcd/0x170 [ 265.783097][ T10] do_syscall_64+0xc6/0x1e0 [ 265.783097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 265.783097][ T10] [ 265.784849][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 265.784849][ T10] neigh_parms_alloc+0x1e5/0x510 [ 265.784849][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 265.784849][ T10] ipv6_find_idev+0x102/0x170 [ 265.784849][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 265.784849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 265.784849][ T10] netlink_rcv_skb+0x130/0x360 [ 265.784849][ T10] netlink_unicast+0x449/0x710 [ 265.784849][ T10] netlink_sendmsg+0x723/0xbe0 [ 265.784849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 265.784849][ T10] ___sys_sendmsg+0xee/0x170 [ 265.784849][ T10] __sys_sendmsg+0xcd/0x170 [ 265.784849][ T10] do_syscall_64+0xc6/0x1e0 [ 265.784849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 265.784849][ T10] [ 265.786883][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 265.787634][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 265.787634][ T10] netdev_get_by_index+0x5e/0x80 [ 265.787634][ T10] fib6_nh_init+0x3d8/0x1580 [ 265.787634][ T10] ip6_route_info_create+0xf18/0x17d0 [ 265.787634][ T10] addrconf_f6i_alloc+0x265/0x560 [ 265.787634][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 265.787634][ T10] addrconf_join_anycast+0x1c0/0x220 [ 265.787634][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 265.787634][ T10] addrconf_dad_completed+0x12b/0xe20 [ 265.787634][ T10] addrconf_dad_begin+0x310/0x670 [ 265.787634][ T10] addrconf_dad_work+0x10b/0xab0 [ 265.787634][ T10] process_one_work+0x84d/0x18a0 [ 265.787634][ T10] worker_thread+0x587/0xd30 [ 265.787634][ T10] kthread+0x28a/0x350 [ 265.787634][ T10] ret_from_fork+0x31/0x70 [ 265.787634][ T10] ret_from_fork_asm+0x1a/0x30 [ 265.787634][ T10] [ 265.789628][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 265.789628][ T10] netdev_get_by_index+0x5e/0x80 [ 265.789628][ T10] fib6_nh_init+0x3d8/0x1580 [ 265.789628][ T10] ip6_route_info_create+0xf18/0x17d0 [ 265.789628][ T10] ip6_route_add+0x1c/0x140 [ 265.789628][ T10] addrconf_prefix_route+0x2a6/0x430 [ 265.789628][ T10] inet6_addr_add+0x4f8/0xa40 [ 265.789628][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 265.789628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 265.789628][ T10] netlink_rcv_skb+0x130/0x360 [ 265.789628][ T10] netlink_unicast+0x449/0x710 [ 265.789628][ T10] netlink_sendmsg+0x723/0xbe0 [ 265.789628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 265.789628][ T10] ___sys_sendmsg+0xee/0x170 [ 265.789628][ T10] __sys_sendmsg+0xcd/0x170 [ 265.789628][ T10] do_syscall_64+0xc6/0x1e0 [ 265.789628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 265.789628][ T10] [ 265.791778][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 265.791778][ T10] netdev_get_by_index+0x5e/0x80 [ 265.791778][ T10] fib6_nh_init+0x3d8/0x1580 [ 265.791778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 265.791778][ T10] addrconf_f6i_alloc+0x315/0x560 [ 265.791778][ T10] ipv6_add_addr+0x411/0x2000 [ 265.791778][ T10] inet6_addr_add+0x30e/0xa40 [ 265.791778][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 265.791778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 265.791778][ T10] netlink_rcv_skb+0x130/0x360 [ 265.791778][ T10] netlink_unicast+0x449/0x710 [ 265.791778][ T10] netlink_sendmsg+0x723/0xbe0 [ 265.791778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 265.791778][ T10] ___sys_sendmsg+0xee/0x170 [ 265.791778][ T10] __sys_sendmsg+0xcd/0x170 [ 265.791778][ T10] do_syscall_64+0xc6/0x1e0 [ 265.791778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 265.791778][ T10] [ 265.794169][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 265.794169][ T10] netdev_get_by_index+0x5e/0x80 [ 265.794169][ T10] fib6_nh_init+0x3d8/0x1580 [ 265.794169][ T10] ip6_route_info_create+0xf18/0x17d0 [ 265.794169][ T10] ip6_route_add+0x1c/0x140 [ 265.794169][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 265.794169][ T10] addrconf_add_dev+0xe2/0x170 [ 265.794169][ T10] inet6_addr_add+0x12f/0xa40 [ 265.794169][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 265.794169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 265.794169][ T10] netlink_rcv_skb+0x130/0x360 [ 265.794169][ T10] netlink_unicast+0x449/0x710 [ 265.794169][ T10] netlink_sendmsg+0x723/0xbe0 [ 265.794169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 265.794169][ T10] ___sys_sendmsg+0xee/0x170 [ 265.794169][ T10] __sys_sendmsg+0xcd/0x170 [ 265.794169][ T10] do_syscall_64+0xc6/0x1e0 [ 265.794169][ T10] [ 265.797669][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 265.797669][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 265.797669][ T10] ipv6_find_idev+0x102/0x170 [ 265.797669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 265.797669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 265.797669][ T10] netlink_rcv_skb+0x130/0x360 [ 265.797669][ T10] netlink_unicast+0x449/0x710 [ 265.797669][ T10] netlink_sendmsg+0x723/0xbe0 [ 265.797669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 265.797669][ T10] ___sys_sendmsg+0xee/0x170 [ 265.797669][ T10] __sys_sendmsg+0xcd/0x170 [ 265.797669][ T10] do_syscall_64+0xc6/0x1e0 [ 265.797669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 265.797669][ T10] [ 265.800494][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 265.800494][ T10] neigh_parms_alloc+0x1e5/0x510 [ 265.800494][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 265.800494][ T10] ipv6_find_idev+0x102/0x170 [ 265.800494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 265.800494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 265.800494][ T10] netlink_rcv_skb+0x130/0x360 [ 265.800494][ T10] netlink_unicast+0x449/0x710 [ 265.800494][ T10] netlink_sendmsg+0x723/0xbe0 [ 265.800494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 265.800494][ T10] ___sys_sendmsg+0xee/0x170 [ 265.800494][ T10] __sys_sendmsg+0xcd/0x170 [ 265.800494][ T10] do_syscall_64+0xc6/0x1e0 [ 265.800494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 265.800494][ T10] [ 269.585120][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 269.585662][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 269.585662][ T1167] dst_init+0x84/0x4a0 [ 269.585662][ T1167] dst_alloc+0x97/0x150 [ 269.585662][ T1167] ip6_dst_alloc+0x23/0x90 [ 269.585662][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 269.585662][ T1167] ip6_pol_route+0x56f/0x840 [ 269.585662][ T1167] fib6_rule_lookup+0x334/0x630 [ 269.585662][ T1167] ip6_route_output_flags+0x259/0x480 [ 269.585662][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 269.585662][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 269.585662][ T1167] netlink_rcv_skb+0x130/0x360 [ 269.585662][ T1167] netlink_unicast+0x449/0x710 [ 269.585662][ T1167] netlink_sendmsg+0x723/0xbe0 [ 269.585662][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 269.585662][ T1167] ___sys_sendmsg+0xee/0x170 [ 269.585662][ T1167] __sys_sendmsg+0xcd/0x170 [ 269.585662][ T1167] do_syscall_64+0xc6/0x1e0 [ 269.585662][ T1167] [ 269.588122][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 269.588122][ T1167] netdev_get_by_index+0x5e/0x80 [ 269.588122][ T1167] fib6_nh_init+0x3d8/0x1580 [ 269.588122][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 269.588122][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 269.588122][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 269.588122][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 269.588122][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 269.588122][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 269.588122][ T1167] addrconf_dad_begin+0x310/0x670 [ 269.588122][ T1167] addrconf_dad_work+0x10b/0xab0 [ 269.588122][ T1167] process_one_work+0x84d/0x18a0 [ 269.588122][ T1167] worker_thread+0x587/0xd30 [ 269.588122][ T1167] kthread+0x28a/0x350 [ 269.588122][ T1167] ret_from_fork+0x31/0x70 [ 269.588122][ T1167] ret_from_fork_asm+0x1a/0x30 [ 269.588122][ T1167] [ 269.590493][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 269.590493][ T1167] netdev_get_by_index+0x5e/0x80 [ 269.590493][ T1167] fib6_nh_init+0x3d8/0x1580 [ 269.590493][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 269.590493][ T1167] ip6_route_add+0x1c/0x140 [ 269.590493][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 269.590493][ T1167] inet6_addr_add+0x4f8/0xa40 [ 269.590493][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 269.590493][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.590493][ T1167] netlink_rcv_skb+0x130/0x360 [ 269.590493][ T1167] netlink_unicast+0x449/0x710 [ 269.590493][ T1167] netlink_sendmsg+0x723/0xbe0 [ 269.590493][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 269.590493][ T1167] ___sys_sendmsg+0xee/0x170 [ 269.590493][ T1167] __sys_sendmsg+0xcd/0x170 [ 269.590493][ T1167] do_syscall_64+0xc6/0x1e0 [ 269.590493][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.590493][ T1167] [ 269.592835][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 269.592835][ T1167] netdev_get_by_index+0x5e/0x80 [ 269.592835][ T1167] fib6_nh_init+0x3d8/0x1580 [ 269.592835][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 269.592835][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 269.592835][ T1167] ipv6_add_addr+0x411/0x2000 [ 269.592835][ T1167] inet6_addr_add+0x30e/0xa40 [ 269.592835][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 269.592835][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.592835][ T1167] netlink_rcv_skb+0x130/0x360 [ 269.592835][ T1167] netlink_unicast+0x449/0x710 [ 269.592835][ T1167] netlink_sendmsg+0x723/0xbe0 [ 269.592835][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 269.592835][ T1167] ___sys_sendmsg+0xee/0x170 [ 269.592835][ T1167] __sys_sendmsg+0xcd/0x170 [ 269.592835][ T1167] do_syscall_64+0xc6/0x1e0 [ 269.592835][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.592835][ T1167] [ 269.595226][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 269.595226][ T1167] netdev_get_by_index+0x5e/0x80 [ 269.595226][ T1167] fib6_nh_init+0x3d8/0x1580 [ 269.595226][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 269.595226][ T1167] ip6_route_add+0x1c/0x140 [ 269.595226][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 269.595226][ T1167] addrconf_add_dev+0xe2/0x170 [ 269.595226][ T1167] inet6_addr_add+0x12f/0xa40 [ 269.595226][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 269.595226][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.595226][ T1167] netlink_rcv_skb+0x130/0x360 [ 269.595226][ T1167] netlink_unicast+0x449/0x710 [ 269.595226][ T1167] netlink_sendmsg+0x723/0xbe0 [ 269.595226][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 269.595226][ T1167] ___sys_sendmsg+0xee/0x170 [ 269.595226][ T1167] __sys_sendmsg+0xcd/0x170 [ 269.595226][ T1167] do_syscall_64+0xc6/0x1e0 [ 269.595226][ T1167] [ 269.597559][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 269.597559][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 269.597559][ T1167] ipv6_find_idev+0x102/0x170 [ 269.597559][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 269.597559][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.597559][ T1167] netlink_rcv_skb+0x130/0x360 [ 269.597559][ T1167] netlink_unicast+0x449/0x710 [ 269.597559][ T1167] netlink_sendmsg+0x723/0xbe0 [ 269.597559][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 269.597559][ T1167] ___sys_sendmsg+0xee/0x170 [ 269.597559][ T1167] __sys_sendmsg+0xcd/0x170 [ 269.597559][ T1167] do_syscall_64+0xc6/0x1e0 [ 269.597559][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.597559][ T1167] [ 269.599388][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 269.599388][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 269.599388][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 269.599388][ T1167] ipv6_find_idev+0x102/0x170 [ 269.599388][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 269.599388][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.599388][ T1167] netlink_rcv_skb+0x130/0x360 [ 269.599388][ T1167] netlink_unicast+0x449/0x710 [ 269.599388][ T1167] netlink_sendmsg+0x723/0xbe0 [ 269.599388][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 269.599388][ T1167] ___sys_sendmsg+0xee/0x170 [ 269.599388][ T1167] __sys_sendmsg+0xcd/0x170 [ 269.599388][ T1167] do_syscall_64+0xc6/0x1e0 [ 269.599388][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.599388][ T1167] [ 276.041072][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 276.041497][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 276.041497][ T10] netdev_get_by_index+0x5e/0x80 [ 276.041497][ T10] fib6_nh_init+0x3d8/0x1580 [ 276.041497][ T10] ip6_route_info_create+0xf18/0x17d0 [ 276.041497][ T10] addrconf_f6i_alloc+0x265/0x560 [ 276.041497][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 276.041497][ T10] addrconf_join_anycast+0x1c0/0x220 [ 276.041497][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 276.041497][ T10] addrconf_dad_completed+0x12b/0xe20 [ 276.041497][ T10] addrconf_dad_begin+0x310/0x670 [ 276.041497][ T10] addrconf_dad_work+0x10b/0xab0 [ 276.041497][ T10] process_one_work+0x84d/0x18a0 [ 276.041497][ T10] worker_thread+0x587/0xd30 [ 276.041497][ T10] kthread+0x28a/0x350 [ 276.041497][ T10] ret_from_fork+0x31/0x70 [ 276.041497][ T10] ret_from_fork_asm+0x1a/0x30 [ 276.041497][ T10] [ 276.043946][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 276.043946][ T10] netdev_get_by_index+0x5e/0x80 [ 276.043946][ T10] fib6_nh_init+0x3d8/0x1580 [ 276.043946][ T10] ip6_route_info_create+0xf18/0x17d0 [ 276.043946][ T10] ip6_route_add+0x1c/0x140 [ 276.043946][ T10] addrconf_prefix_route+0x2a6/0x430 [ 276.043946][ T10] inet6_addr_add+0x4f8/0xa40 [ 276.043946][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 276.043946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 276.043946][ T10] netlink_rcv_skb+0x130/0x360 [ 276.043946][ T10] netlink_unicast+0x449/0x710 [ 276.043946][ T10] netlink_sendmsg+0x723/0xbe0 [ 276.043946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 276.043946][ T10] ___sys_sendmsg+0xee/0x170 [ 276.043946][ T10] __sys_sendmsg+0xcd/0x170 [ 276.043946][ T10] do_syscall_64+0xc6/0x1e0 [ 276.043946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 276.043946][ T10] [ 276.046756][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 276.046756][ T10] netdev_get_by_index+0x5e/0x80 [ 276.046756][ T10] fib6_nh_init+0x3d8/0x1580 [ 276.046756][ T10] ip6_route_info_create+0xf18/0x17d0 [ 276.046756][ T10] addrconf_f6i_alloc+0x315/0x560 [ 276.046756][ T10] ipv6_add_addr+0x411/0x2000 [ 276.046756][ T10] inet6_addr_add+0x30e/0xa40 [ 276.046756][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 276.046756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 276.046756][ T10] netlink_rcv_skb+0x130/0x360 [ 276.046756][ T10] netlink_unicast+0x449/0x710 [ 276.046756][ T10] netlink_sendmsg+0x723/0xbe0 [ 276.046756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 276.046756][ T10] ___sys_sendmsg+0xee/0x170 [ 276.046756][ T10] __sys_sendmsg+0xcd/0x170 [ 276.046756][ T10] do_syscall_64+0xc6/0x1e0 [ 276.046756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 276.046756][ T10] [ 276.049183][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 276.049183][ T10] netdev_get_by_index+0x5e/0x80 [ 276.049183][ T10] fib6_nh_init+0x3d8/0x1580 [ 276.049183][ T10] ip6_route_info_create+0xf18/0x17d0 [ 276.049183][ T10] ip6_route_add+0x1c/0x140 [ 276.049183][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 276.049183][ T10] addrconf_add_dev+0xe2/0x170 [ 276.049183][ T10] inet6_addr_add+0x12f/0xa40 [ 276.049183][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 276.049183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 276.049183][ T10] netlink_rcv_skb+0x130/0x360 [ 276.049183][ T10] netlink_unicast+0x449/0x710 [ 276.049183][ T10] netlink_sendmsg+0x723/0xbe0 [ 276.049183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 276.049183][ T10] ___sys_sendmsg+0xee/0x170 [ 276.049183][ T10] __sys_sendmsg+0xcd/0x170 [ 276.049183][ T10] do_syscall_64+0xc6/0x1e0 [ 276.049183][ T10] [ 276.051625][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 276.051625][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 276.051625][ T10] ipv6_find_idev+0x102/0x170 [ 276.051625][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 276.051625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 276.051625][ T10] netlink_rcv_skb+0x130/0x360 [ 276.051625][ T10] netlink_unicast+0x449/0x710 [ 276.051625][ T10] netlink_sendmsg+0x723/0xbe0 [ 276.051625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 276.051625][ T10] ___sys_sendmsg+0xee/0x170 [ 276.051625][ T10] __sys_sendmsg+0xcd/0x170 [ 276.051625][ T10] do_syscall_64+0xc6/0x1e0 [ 276.051625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 276.051625][ T10] [ 276.053436][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 276.053436][ T10] neigh_parms_alloc+0x1e5/0x510 [ 276.053436][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 276.053436][ T10] ipv6_find_idev+0x102/0x170 [ 276.053436][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 276.053436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 276.053436][ T10] netlink_rcv_skb+0x130/0x360 [ 276.053436][ T10] netlink_unicast+0x449/0x710 [ 276.053436][ T10] netlink_sendmsg+0x723/0xbe0 [ 276.053436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 276.053436][ T10] ___sys_sendmsg+0xee/0x170 [ 276.053436][ T10] __sys_sendmsg+0xcd/0x170 [ 276.053436][ T10] do_syscall_64+0xc6/0x1e0 [ 276.053436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 276.053436][ T10] [ 276.055561][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 276.055833][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 276.055833][ T10] netdev_get_by_index+0x5e/0x80 [ 276.055833][ T10] fib6_nh_init+0x3d8/0x1580 [ 276.055833][ T10] ip6_route_info_create+0xf18/0x17d0 [ 276.055833][ T10] addrconf_f6i_alloc+0x265/0x560 [ 276.055833][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 276.055833][ T10] addrconf_join_anycast+0x1c0/0x220 [ 276.055833][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 276.055833][ T10] addrconf_dad_completed+0x12b/0xe20 [ 276.055833][ T10] addrconf_dad_begin+0x310/0x670 [ 276.055833][ T10] addrconf_dad_work+0x10b/0xab0 [ 276.055833][ T10] process_one_work+0x84d/0x18a0 [ 276.055833][ T10] worker_thread+0x587/0xd30 [ 276.055833][ T10] kthread+0x28a/0x350 [ 276.055833][ T10] ret_from_fork+0x31/0x70 [ 276.055833][ T10] ret_from_fork_asm+0x1a/0x30 [ 276.055833][ T10] [ 276.058089][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 276.058089][ T10] netdev_get_by_index+0x5e/0x80 [ 276.058089][ T10] fib6_nh_init+0x3d8/0x1580 [ 276.058089][ T10] ip6_route_info_create+0xf18/0x17d0 [ 276.058089][ T10] ip6_route_add+0x1c/0x140 [ 276.058089][ T10] addrconf_prefix_route+0x2a6/0x430 [ 276.058089][ T10] inet6_addr_add+0x4f8/0xa40 [ 276.058089][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 276.058089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 276.058089][ T10] netlink_rcv_skb+0x130/0x360 [ 276.058089][ T10] netlink_unicast+0x449/0x710 [ 276.058089][ T10] netlink_sendmsg+0x723/0xbe0 [ 276.058089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 276.058089][ T10] ___sys_sendmsg+0xee/0x170 [ 276.058089][ T10] __sys_sendmsg+0xcd/0x170 [ 276.058089][ T10] do_syscall_64+0xc6/0x1e0 [ 276.058089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 276.058089][ T10] [ 276.061132][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 276.061132][ T10] netdev_get_by_index+0x5e/0x80 [ 276.061132][ T10] fib6_nh_init+0x3d8/0x1580 [ 276.061132][ T10] ip6_route_info_create+0xf18/0x17d0 [ 276.061132][ T10] addrconf_f6i_alloc+0x315/0x560 [ 276.061132][ T10] ipv6_add_addr+0x411/0x2000 [ 276.061132][ T10] inet6_addr_add+0x30e/0xa40 [ 276.061132][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 276.061132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 276.061132][ T10] netlink_rcv_skb+0x130/0x360 [ 276.061132][ T10] netlink_unicast+0x449/0x710 [ 276.061132][ T10] netlink_sendmsg+0x723/0xbe0 [ 276.061132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 276.061132][ T10] ___sys_sendmsg+0xee/0x170 [ 276.061132][ T10] __sys_sendmsg+0xcd/0x170 [ 276.061132][ T10] do_syscall_64+0xc6/0x1e0 [ 276.061132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 276.061132][ T10] [ 276.063439][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 276.063439][ T10] netdev_get_by_index+0x5e/0x80 [ 276.063439][ T10] fib6_nh_init+0x3d8/0x1580 [ 276.063439][ T10] ip6_route_info_create+0xf18/0x17d0 [ 276.063439][ T10] ip6_route_add+0x1c/0x140 [ 276.063439][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 276.063439][ T10] addrconf_add_dev+0xe2/0x170 [ 276.063439][ T10] inet6_addr_add+0x12f/0xa40 [ 276.063439][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 276.063439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 276.063439][ T10] netlink_rcv_skb+0x130/0x360 [ 276.063439][ T10] netlink_unicast+0x449/0x710 [ 276.063439][ T10] netlink_sendmsg+0x723/0xbe0 [ 276.063439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 276.063439][ T10] ___sys_sendmsg+0xee/0x170 [ 276.063439][ T10] __sys_sendmsg+0xcd/0x170 [ 276.063439][ T10] do_syscall_64+0xc6/0x1e0 [ 276.063439][ T10] [ 276.065993][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 276.065993][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 276.065993][ T10] ipv6_find_idev+0x102/0x170 [ 276.065993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 276.065993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 276.065993][ T10] netlink_rcv_skb+0x130/0x360 [ 276.065993][ T10] netlink_unicast+0x449/0x710 [ 276.065993][ T10] netlink_sendmsg+0x723/0xbe0 [ 276.065993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 276.065993][ T10] ___sys_sendmsg+0xee/0x170 [ 276.065993][ T10] __sys_sendmsg+0xcd/0x170 [ 276.065993][ T10] do_syscall_64+0xc6/0x1e0 [ 276.065993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 276.065993][ T10] [ 276.068483][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 276.068483][ T10] neigh_parms_alloc+0x1e5/0x510 [ 276.068483][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 276.068483][ T10] ipv6_find_idev+0x102/0x170 [ 276.068483][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 276.068483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 276.068483][ T10] netlink_rcv_skb+0x130/0x360 [ 276.068483][ T10] netlink_unicast+0x449/0x710 [ 276.068483][ T10] netlink_sendmsg+0x723/0xbe0 [ 276.068483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 276.068483][ T10] ___sys_sendmsg+0xee/0x170 [ 276.068483][ T10] __sys_sendmsg+0xcd/0x170 [ 276.068483][ T10] do_syscall_64+0xc6/0x1e0 [ 276.068483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 276.068483][ T10] [ 276.070528][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 276.070944][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 276.070944][ T10] netdev_get_by_index+0x5e/0x80 [ 276.070944][ T10] fib6_nh_init+0x3d8/0x1580 [ 276.070944][ T10] ip6_route_info_create+0xf18/0x17d0 [ 276.070944][ T10] addrconf_f6i_alloc+0x265/0x560 [ 276.070944][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 276.070944][ T10] addrconf_join_anycast+0x1c0/0x220 [ 276.070944][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 276.070944][ T10] addrconf_dad_completed+0x12b/0xe20 [ 276.070944][ T10] addrconf_dad_begin+0x310/0x670 [ 276.070944][ T10] addrconf_dad_work+0x10b/0xab0 [ 276.070944][ T10] process_one_work+0x84d/0x18a0 [ 276.070944][ T10] worker_thread+0x587/0xd30 [ 276.070944][ T10] kthread+0x28a/0x350 [ 276.070944][ T10] ret_from_fork+0x31/0x70 [ 276.070944][ T10] ret_from_fork_asm+0x1a/0x30 [ 276.070944][ T10] [ 276.073898][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 276.073898][ T10] netdev_get_by_index+0x5e/0x80 [ 276.073898][ T10] fib6_nh_init+0x3d8/0x1580 [ 276.073898][ T10] ip6_route_info_create+0xf18/0x17d0 [ 276.073898][ T10] ip6_route_add+0x1c/0x140 [ 276.073898][ T10] addrconf_prefix_route+0x2a6/0x430 [ 276.073898][ T10] inet6_addr_add+0x4f8/0xa40 [ 276.073898][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 276.073898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 276.073898][ T10] netlink_rcv_skb+0x130/0x360 [ 276.073898][ T10] netlink_unicast+0x449/0x710 [ 276.073898][ T10] netlink_sendmsg+0x723/0xbe0 [ 276.073898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 276.073898][ T10] ___sys_sendmsg+0xee/0x170 [ 276.073898][ T10] __sys_sendmsg+0xcd/0x170 [ 276.073898][ T10] do_syscall_64+0xc6/0x1e0 [ 276.073898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 276.073898][ T10] [ 276.076359][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 276.076359][ T10] netdev_get_by_index+0x5e/0x80 [ 276.076359][ T10] fib6_nh_init+0x3d8/0x1580 [ 276.076359][ T10] ip6_route_info_create+0xf18/0x17d0 [ 276.076359][ T10] addrconf_f6i_alloc+0x315/0x560 [ 276.076359][ T10] ipv6_add_addr+0x411/0x2000 [ 276.076359][ T10] inet6_addr_add+0x30e/0xa40 [ 276.076359][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 276.076359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 276.076359][ T10] netlink_rcv_skb+0x130/0x360 [ 276.076359][ T10] netlink_unicast+0x449/0x710 [ 276.076359][ T10] netlink_sendmsg+0x723/0xbe0 [ 276.076359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 276.076359][ T10] ___sys_sendmsg+0xee/0x170 [ 276.076359][ T10] __sys_sendmsg+0xcd/0x170 [ 276.076359][ T10] do_syscall_64+0xc6/0x1e0 [ 276.076359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 276.076359][ T10] [ 276.078985][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 276.078985][ T10] netdev_get_by_index+0x5e/0x80 [ 276.078985][ T10] fib6_nh_init+0x3d8/0x1580 [ 276.078985][ T10] ip6_route_info_create+0xf18/0x17d0 [ 276.078985][ T10] ip6_route_add+0x1c/0x140 [ 276.078985][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 276.078985][ T10] addrconf_add_dev+0xe2/0x170 [ 276.078985][ T10] inet6_addr_add+0x12f/0xa40 [ 276.078985][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 276.078985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 276.078985][ T10] netlink_rcv_skb+0x130/0x360 [ 276.078985][ T10] netlink_unicast+0x449/0x710 [ 276.078985][ T10] netlink_sendmsg+0x723/0xbe0 [ 276.078985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 276.078985][ T10] ___sys_sendmsg+0xee/0x170 [ 276.078985][ T10] __sys_sendmsg+0xcd/0x170 [ 276.078985][ T10] do_syscall_64+0xc6/0x1e0 [ 276.078985][ T10] [ 276.081432][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 276.081432][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 276.081432][ T10] ipv6_find_idev+0x102/0x170 [ 276.081432][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 276.081432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 276.081432][ T10] netlink_rcv_skb+0x130/0x360 [ 276.081432][ T10] netlink_unicast+0x449/0x710 [ 276.081432][ T10] netlink_sendmsg+0x723/0xbe0 [ 276.081432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 276.081432][ T10] ___sys_sendmsg+0xee/0x170 [ 276.081432][ T10] __sys_sendmsg+0xcd/0x170 [ 276.081432][ T10] do_syscall_64+0xc6/0x1e0 [ 276.081432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 276.081432][ T10] [ 276.084006][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 276.084006][ T10] neigh_parms_alloc+0x1e5/0x510 [ 276.084006][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 276.084006][ T10] ipv6_find_idev+0x102/0x170 [ 276.084006][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 276.084006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 276.084006][ T10] netlink_rcv_skb+0x130/0x360 [ 276.084006][ T10] netlink_unicast+0x449/0x710 [ 276.084006][ T10] netlink_sendmsg+0x723/0xbe0 [ 276.084006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 276.084006][ T10] ___sys_sendmsg+0xee/0x170 [ 276.084006][ T10] __sys_sendmsg+0xcd/0x170 [ 276.084006][ T10] do_syscall_64+0xc6/0x1e0 [ 276.084006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 276.084006][ T10] [ 276.086850][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 276.087652][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 276.087652][ T10] netdev_get_by_index+0x5e/0x80 [ 276.087652][ T10] fib6_nh_init+0x3d8/0x1580 [ 276.087652][ T10] ip6_route_info_create+0xf18/0x17d0 [ 276.087652][ T10] addrconf_f6i_alloc+0x265/0x560 [ 276.087652][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 276.087652][ T10] addrconf_join_anycast+0x1c0/0x220 [ 276.087652][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 276.087652][ T10] addrconf_dad_completed+0x12b/0xe20 [ 276.087652][ T10] addrconf_dad_begin+0x310/0x670 [ 276.087652][ T10] addrconf_dad_work+0x10b/0xab0 [ 276.087652][ T10] process_one_work+0x84d/0x18a0 [ 276.087652][ T10] worker_thread+0x587/0xd30 [ 276.087652][ T10] kthread+0x28a/0x350 [ 276.087652][ T10] ret_from_fork+0x31/0x70 [ 276.087652][ T10] ret_from_fork_asm+0x1a/0x30 [ 276.087652][ T10] [ 276.089882][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 276.089882][ T10] netdev_get_by_index+0x5e/0x80 [ 276.089882][ T10] fib6_nh_init+0x3d8/0x1580 [ 276.089882][ T10] ip6_route_info_create+0xf18/0x17d0 [ 276.089882][ T10] ip6_route_add+0x1c/0x140 [ 276.089882][ T10] addrconf_prefix_route+0x2a6/0x430 [ 276.089882][ T10] inet6_addr_add+0x4f8/0xa40 [ 276.089882][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 276.089882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 276.089882][ T10] netlink_rcv_skb+0x130/0x360 [ 276.089882][ T10] netlink_unicast+0x449/0x710 [ 276.089882][ T10] netlink_sendmsg+0x723/0xbe0 [ 276.089882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 276.089882][ T10] ___sys_sendmsg+0xee/0x170 [ 276.089882][ T10] __sys_sendmsg+0xcd/0x170 [ 276.089882][ T10] do_syscall_64+0xc6/0x1e0 [ 276.089882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 276.089882][ T10] [ 276.092293][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 276.092293][ T10] netdev_get_by_index+0x5e/0x80 [ 276.092293][ T10] fib6_nh_init+0x3d8/0x1580 [ 276.092293][ T10] ip6_route_info_create+0xf18/0x17d0 [ 276.092293][ T10] addrconf_f6i_alloc+0x315/0x560 [ 276.092293][ T10] ipv6_add_addr+0x411/0x2000 [ 276.092293][ T10] inet6_addr_add+0x30e/0xa40 [ 276.092293][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 276.092293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 276.092293][ T10] netlink_rcv_skb+0x130/0x360 [ 276.092293][ T10] netlink_unicast+0x449/0x710 [ 276.092293][ T10] netlink_sendmsg+0x723/0xbe0 [ 276.092293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 276.092293][ T10] ___sys_sendmsg+0xee/0x170 [ 276.092293][ T10] __sys_sendmsg+0xcd/0x170 [ 276.092293][ T10] do_syscall_64+0xc6/0x1e0 [ 276.092293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 276.092293][ T10] [ 276.095215][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 276.095215][ T10] netdev_get_by_index+0x5e/0x80 [ 276.095215][ T10] fib6_nh_init+0x3d8/0x1580 [ 276.095215][ T10] ip6_route_info_create+0xf18/0x17d0 [ 276.095215][ T10] ip6_route_add+0x1c/0x140 [ 276.095215][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 276.095215][ T10] addrconf_add_dev+0xe2/0x170 [ 276.095215][ T10] inet6_addr_add+0x12f/0xa40 [ 276.095215][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 276.095215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 276.095215][ T10] netlink_rcv_skb+0x130/0x360 [ 276.095215][ T10] netlink_unicast+0x449/0x710 [ 276.095215][ T10] netlink_sendmsg+0x723/0xbe0 [ 276.095215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 276.095215][ T10] ___sys_sendmsg+0xee/0x170 [ 276.095215][ T10] __sys_sendmsg+0xcd/0x170 [ 276.095215][ T10] do_syscall_64+0xc6/0x1e0 [ 276.095215][ T10] [ 276.098836][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 276.098836][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 276.098836][ T10] ipv6_find_idev+0x102/0x170 [ 276.098836][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 276.098836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 276.098836][ T10] netlink_rcv_skb+0x130/0x360 [ 276.098836][ T10] netlink_unicast+0x449/0x710 [ 276.098836][ T10] netlink_sendmsg+0x723/0xbe0 [ 276.098836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 276.098836][ T10] ___sys_sendmsg+0xee/0x170 [ 276.098836][ T10] __sys_sendmsg+0xcd/0x170 [ 276.098836][ T10] do_syscall_64+0xc6/0x1e0 [ 276.098836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 276.098836][ T10] [ 276.101672][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 276.101672][ T10] neigh_parms_alloc+0x1e5/0x510 [ 276.101672][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 276.101672][ T10] ipv6_find_idev+0x102/0x170 [ 276.101672][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 276.101672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 276.101672][ T10] netlink_rcv_skb+0x130/0x360 [ 276.101672][ T10] netlink_unicast+0x449/0x710 [ 276.101672][ T10] netlink_sendmsg+0x723/0xbe0 [ 276.101672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 276.101672][ T10] ___sys_sendmsg+0xee/0x170 [ 276.101672][ T10] __sys_sendmsg+0xcd/0x170 [ 276.101672][ T10] do_syscall_64+0xc6/0x1e0 [ 276.101672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 276.101672][ T10] [ 279.841149][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 279.841643][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 279.841643][ T1167] dst_init+0x84/0x4a0 [ 279.841643][ T1167] dst_alloc+0x97/0x150 [ 279.841643][ T1167] ip6_dst_alloc+0x23/0x90 [ 279.841643][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 279.841643][ T1167] ip6_pol_route+0x56f/0x840 [ 279.841643][ T1167] fib6_rule_lookup+0x334/0x630 [ 279.841643][ T1167] ip6_route_output_flags+0x259/0x480 [ 279.841643][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 279.841643][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 279.841643][ T1167] netlink_rcv_skb+0x130/0x360 [ 279.841643][ T1167] netlink_unicast+0x449/0x710 [ 279.841643][ T1167] netlink_sendmsg+0x723/0xbe0 [ 279.841643][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 279.841643][ T1167] ___sys_sendmsg+0xee/0x170 [ 279.841643][ T1167] __sys_sendmsg+0xcd/0x170 [ 279.841643][ T1167] do_syscall_64+0xc6/0x1e0 [ 279.841643][ T1167] [ 279.843892][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 279.843892][ T1167] netdev_get_by_index+0x5e/0x80 [ 279.843892][ T1167] fib6_nh_init+0x3d8/0x1580 [ 279.843892][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 279.843892][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 279.843892][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 279.843892][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 279.843892][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 279.843892][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 279.843892][ T1167] addrconf_dad_begin+0x310/0x670 [ 279.843892][ T1167] addrconf_dad_work+0x10b/0xab0 [ 279.843892][ T1167] process_one_work+0x84d/0x18a0 [ 279.843892][ T1167] worker_thread+0x587/0xd30 [ 279.843892][ T1167] kthread+0x28a/0x350 [ 279.843892][ T1167] ret_from_fork+0x31/0x70 [ 279.843892][ T1167] ret_from_fork_asm+0x1a/0x30 [ 279.843892][ T1167] [ 279.846057][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 279.846057][ T1167] netdev_get_by_index+0x5e/0x80 [ 279.846057][ T1167] fib6_nh_init+0x3d8/0x1580 [ 279.846057][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 279.846057][ T1167] ip6_route_add+0x1c/0x140 [ 279.846057][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 279.846057][ T1167] inet6_addr_add+0x4f8/0xa40 [ 279.846057][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 279.846057][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.846057][ T1167] netlink_rcv_skb+0x130/0x360 [ 279.846057][ T1167] netlink_unicast+0x449/0x710 [ 279.846057][ T1167] netlink_sendmsg+0x723/0xbe0 [ 279.846057][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 279.846057][ T1167] ___sys_sendmsg+0xee/0x170 [ 279.846057][ T1167] __sys_sendmsg+0xcd/0x170 [ 279.846057][ T1167] do_syscall_64+0xc6/0x1e0 [ 279.846057][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.846057][ T1167] [ 279.848321][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 279.848321][ T1167] netdev_get_by_index+0x5e/0x80 [ 279.848321][ T1167] fib6_nh_init+0x3d8/0x1580 [ 279.848321][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 279.848321][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 279.848321][ T1167] ipv6_add_addr+0x411/0x2000 [ 279.848321][ T1167] inet6_addr_add+0x30e/0xa40 [ 279.848321][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 279.848321][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.848321][ T1167] netlink_rcv_skb+0x130/0x360 [ 279.848321][ T1167] netlink_unicast+0x449/0x710 [ 279.848321][ T1167] netlink_sendmsg+0x723/0xbe0 [ 279.848321][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 279.848321][ T1167] ___sys_sendmsg+0xee/0x170 [ 279.848321][ T1167] __sys_sendmsg+0xcd/0x170 [ 279.848321][ T1167] do_syscall_64+0xc6/0x1e0 [ 279.848321][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.848321][ T1167] [ 279.850603][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 279.850603][ T1167] netdev_get_by_index+0x5e/0x80 [ 279.850603][ T1167] fib6_nh_init+0x3d8/0x1580 [ 279.850603][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 279.850603][ T1167] ip6_route_add+0x1c/0x140 [ 279.850603][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 279.850603][ T1167] addrconf_add_dev+0xe2/0x170 [ 279.850603][ T1167] inet6_addr_add+0x12f/0xa40 [ 279.850603][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 279.850603][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.850603][ T1167] netlink_rcv_skb+0x130/0x360 [ 279.850603][ T1167] netlink_unicast+0x449/0x710 [ 279.850603][ T1167] netlink_sendmsg+0x723/0xbe0 [ 279.850603][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 279.850603][ T1167] ___sys_sendmsg+0xee/0x170 [ 279.850603][ T1167] __sys_sendmsg+0xcd/0x170 [ 279.850603][ T1167] do_syscall_64+0xc6/0x1e0 [ 279.850603][ T1167] [ 279.852919][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 279.852919][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 279.852919][ T1167] ipv6_find_idev+0x102/0x170 [ 279.852919][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 279.852919][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.852919][ T1167] netlink_rcv_skb+0x130/0x360 [ 279.852919][ T1167] netlink_unicast+0x449/0x710 [ 279.852919][ T1167] netlink_sendmsg+0x723/0xbe0 [ 279.852919][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 279.852919][ T1167] ___sys_sendmsg+0xee/0x170 [ 279.852919][ T1167] __sys_sendmsg+0xcd/0x170 [ 279.852919][ T1167] do_syscall_64+0xc6/0x1e0 [ 279.852919][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.852919][ T1167] [ 279.854640][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 279.854640][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 279.854640][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 279.854640][ T1167] ipv6_find_idev+0x102/0x170 [ 279.854640][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 279.854640][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.854640][ T1167] netlink_rcv_skb+0x130/0x360 [ 279.854640][ T1167] netlink_unicast+0x449/0x710 [ 279.854640][ T1167] netlink_sendmsg+0x723/0xbe0 [ 279.854640][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 279.854640][ T1167] ___sys_sendmsg+0xee/0x170 [ 279.854640][ T1167] __sys_sendmsg+0xcd/0x170 [ 279.854640][ T1167] do_syscall_64+0xc6/0x1e0 [ 279.854640][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.854640][ T1167] [ 286.241151][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 286.241701][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 286.241701][ T10] netdev_get_by_index+0x5e/0x80 [ 286.241701][ T10] fib6_nh_init+0x3d8/0x1580 [ 286.241701][ T10] ip6_route_info_create+0xf18/0x17d0 [ 286.241701][ T10] addrconf_f6i_alloc+0x265/0x560 [ 286.241701][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 286.241701][ T10] addrconf_join_anycast+0x1c0/0x220 [ 286.241701][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 286.241701][ T10] addrconf_dad_completed+0x12b/0xe20 [ 286.241701][ T10] addrconf_dad_begin+0x310/0x670 [ 286.241701][ T10] addrconf_dad_work+0x10b/0xab0 [ 286.241701][ T10] process_one_work+0x84d/0x18a0 [ 286.241701][ T10] worker_thread+0x587/0xd30 [ 286.241701][ T10] kthread+0x28a/0x350 [ 286.241701][ T10] ret_from_fork+0x31/0x70 [ 286.241701][ T10] ret_from_fork_asm+0x1a/0x30 [ 286.241701][ T10] [ 286.244736][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 286.244736][ T10] netdev_get_by_index+0x5e/0x80 [ 286.244736][ T10] fib6_nh_init+0x3d8/0x1580 [ 286.244736][ T10] ip6_route_info_create+0xf18/0x17d0 [ 286.244736][ T10] ip6_route_add+0x1c/0x140 [ 286.244736][ T10] addrconf_prefix_route+0x2a6/0x430 [ 286.244736][ T10] inet6_addr_add+0x4f8/0xa40 [ 286.244736][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 286.244736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 286.244736][ T10] netlink_rcv_skb+0x130/0x360 [ 286.244736][ T10] netlink_unicast+0x449/0x710 [ 286.244736][ T10] netlink_sendmsg+0x723/0xbe0 [ 286.244736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 286.244736][ T10] ___sys_sendmsg+0xee/0x170 [ 286.244736][ T10] __sys_sendmsg+0xcd/0x170 [ 286.244736][ T10] do_syscall_64+0xc6/0x1e0 [ 286.244736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 286.244736][ T10] [ 286.247861][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 286.247861][ T10] netdev_get_by_index+0x5e/0x80 [ 286.247861][ T10] fib6_nh_init+0x3d8/0x1580 [ 286.247861][ T10] ip6_route_info_create+0xf18/0x17d0 [ 286.247861][ T10] addrconf_f6i_alloc+0x315/0x560 [ 286.247861][ T10] ipv6_add_addr+0x411/0x2000 [ 286.247861][ T10] inet6_addr_add+0x30e/0xa40 [ 286.247861][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 286.247861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 286.247861][ T10] netlink_rcv_skb+0x130/0x360 [ 286.247861][ T10] netlink_unicast+0x449/0x710 [ 286.247861][ T10] netlink_sendmsg+0x723/0xbe0 [ 286.247861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 286.247861][ T10] ___sys_sendmsg+0xee/0x170 [ 286.247861][ T10] __sys_sendmsg+0xcd/0x170 [ 286.247861][ T10] do_syscall_64+0xc6/0x1e0 [ 286.247861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 286.247861][ T10] [ 286.251015][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 286.251015][ T10] netdev_get_by_index+0x5e/0x80 [ 286.251015][ T10] fib6_nh_init+0x3d8/0x1580 [ 286.251015][ T10] ip6_route_info_create+0xf18/0x17d0 [ 286.251015][ T10] ip6_route_add+0x1c/0x140 [ 286.251015][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 286.251015][ T10] addrconf_add_dev+0xe2/0x170 [ 286.251015][ T10] inet6_addr_add+0x12f/0xa40 [ 286.251015][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 286.251015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 286.251015][ T10] netlink_rcv_skb+0x130/0x360 [ 286.251015][ T10] netlink_unicast+0x449/0x710 [ 286.251015][ T10] netlink_sendmsg+0x723/0xbe0 [ 286.251015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 286.251015][ T10] ___sys_sendmsg+0xee/0x170 [ 286.251015][ T10] __sys_sendmsg+0xcd/0x170 [ 286.251015][ T10] do_syscall_64+0xc6/0x1e0 [ 286.251015][ T10] [ 286.254115][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 286.254115][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 286.254115][ T10] ipv6_find_idev+0x102/0x170 [ 286.254115][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 286.254115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 286.254115][ T10] netlink_rcv_skb+0x130/0x360 [ 286.254115][ T10] netlink_unicast+0x449/0x710 [ 286.254115][ T10] netlink_sendmsg+0x723/0xbe0 [ 286.254115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 286.254115][ T10] ___sys_sendmsg+0xee/0x170 [ 286.254115][ T10] __sys_sendmsg+0xcd/0x170 [ 286.254115][ T10] do_syscall_64+0xc6/0x1e0 [ 286.254115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 286.254115][ T10] [ 286.256504][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 286.256504][ T10] neigh_parms_alloc+0x1e5/0x510 [ 286.256504][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 286.256504][ T10] ipv6_find_idev+0x102/0x170 [ 286.256504][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 286.256504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 286.256504][ T10] netlink_rcv_skb+0x130/0x360 [ 286.256504][ T10] netlink_unicast+0x449/0x710 [ 286.256504][ T10] netlink_sendmsg+0x723/0xbe0 [ 286.256504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 286.256504][ T10] ___sys_sendmsg+0xee/0x170 [ 286.256504][ T10] __sys_sendmsg+0xcd/0x170 [ 286.256504][ T10] do_syscall_64+0xc6/0x1e0 [ 286.256504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 286.256504][ T10] [ 286.258532][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 286.258800][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 286.258800][ T10] netdev_get_by_index+0x5e/0x80 [ 286.258800][ T10] fib6_nh_init+0x3d8/0x1580 [ 286.258800][ T10] ip6_route_info_create+0xf18/0x17d0 [ 286.258800][ T10] addrconf_f6i_alloc+0x265/0x560 [ 286.258800][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 286.258800][ T10] addrconf_join_anycast+0x1c0/0x220 [ 286.258800][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 286.258800][ T10] addrconf_dad_completed+0x12b/0xe20 [ 286.258800][ T10] addrconf_dad_begin+0x310/0x670 [ 286.258800][ T10] addrconf_dad_work+0x10b/0xab0 [ 286.258800][ T10] process_one_work+0x84d/0x18a0 [ 286.258800][ T10] worker_thread+0x587/0xd30 [ 286.258800][ T10] kthread+0x28a/0x350 [ 286.258800][ T10] ret_from_fork+0x31/0x70 [ 286.258800][ T10] ret_from_fork_asm+0x1a/0x30 [ 286.258800][ T10] [ 286.260791][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 286.260791][ T10] netdev_get_by_index+0x5e/0x80 [ 286.260791][ T10] fib6_nh_init+0x3d8/0x1580 [ 286.260791][ T10] ip6_route_info_create+0xf18/0x17d0 [ 286.260791][ T10] ip6_route_add+0x1c/0x140 [ 286.260791][ T10] addrconf_prefix_route+0x2a6/0x430 [ 286.260791][ T10] inet6_addr_add+0x4f8/0xa40 [ 286.260791][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 286.260791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 286.260791][ T10] netlink_rcv_skb+0x130/0x360 [ 286.260791][ T10] netlink_unicast+0x449/0x710 [ 286.260791][ T10] netlink_sendmsg+0x723/0xbe0 [ 286.260791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 286.260791][ T10] ___sys_sendmsg+0xee/0x170 [ 286.260791][ T10] __sys_sendmsg+0xcd/0x170 [ 286.260791][ T10] do_syscall_64+0xc6/0x1e0 [ 286.260791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 286.260791][ T10] [ 286.263013][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 286.263013][ T10] netdev_get_by_index+0x5e/0x80 [ 286.263013][ T10] fib6_nh_init+0x3d8/0x1580 [ 286.263013][ T10] ip6_route_info_create+0xf18/0x17d0 [ 286.263013][ T10] addrconf_f6i_alloc+0x315/0x560 [ 286.263013][ T10] ipv6_add_addr+0x411/0x2000 [ 286.263013][ T10] inet6_addr_add+0x30e/0xa40 [ 286.263013][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 286.263013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 286.263013][ T10] netlink_rcv_skb+0x130/0x360 [ 286.263013][ T10] netlink_unicast+0x449/0x710 [ 286.263013][ T10] netlink_sendmsg+0x723/0xbe0 [ 286.263013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 286.263013][ T10] ___sys_sendmsg+0xee/0x170 [ 286.263013][ T10] __sys_sendmsg+0xcd/0x170 [ 286.263013][ T10] do_syscall_64+0xc6/0x1e0 [ 286.263013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 286.263013][ T10] [ 286.265162][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 286.265162][ T10] netdev_get_by_index+0x5e/0x80 [ 286.265162][ T10] fib6_nh_init+0x3d8/0x1580 [ 286.265162][ T10] ip6_route_info_create+0xf18/0x17d0 [ 286.265162][ T10] ip6_route_add+0x1c/0x140 [ 286.265162][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 286.265162][ T10] addrconf_add_dev+0xe2/0x170 [ 286.265162][ T10] inet6_addr_add+0x12f/0xa40 [ 286.265162][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 286.265162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 286.265162][ T10] netlink_rcv_skb+0x130/0x360 [ 286.265162][ T10] netlink_unicast+0x449/0x710 [ 286.265162][ T10] netlink_sendmsg+0x723/0xbe0 [ 286.265162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 286.265162][ T10] ___sys_sendmsg+0xee/0x170 [ 286.265162][ T10] __sys_sendmsg+0xcd/0x170 [ 286.265162][ T10] do_syscall_64+0xc6/0x1e0 [ 286.265162][ T10] [ 286.267147][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 286.267147][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 286.267147][ T10] ipv6_find_idev+0x102/0x170 [ 286.267147][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 286.267147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 286.267147][ T10] netlink_rcv_skb+0x130/0x360 [ 286.267147][ T10] netlink_unicast+0x449/0x710 [ 286.267147][ T10] netlink_sendmsg+0x723/0xbe0 [ 286.267147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 286.267147][ T10] ___sys_sendmsg+0xee/0x170 [ 286.267147][ T10] __sys_sendmsg+0xcd/0x170 [ 286.267147][ T10] do_syscall_64+0xc6/0x1e0 [ 286.267147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 286.267147][ T10] [ 286.268727][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 286.268727][ T10] neigh_parms_alloc+0x1e5/0x510 [ 286.268727][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 286.268727][ T10] ipv6_find_idev+0x102/0x170 [ 286.268727][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 286.268727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 286.268727][ T10] netlink_rcv_skb+0x130/0x360 [ 286.268727][ T10] netlink_unicast+0x449/0x710 [ 286.268727][ T10] netlink_sendmsg+0x723/0xbe0 [ 286.268727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 286.268727][ T10] ___sys_sendmsg+0xee/0x170 [ 286.268727][ T10] __sys_sendmsg+0xcd/0x170 [ 286.268727][ T10] do_syscall_64+0xc6/0x1e0 [ 286.268727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 286.268727][ T10] [ 286.270494][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 286.270756][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 286.270756][ T10] netdev_get_by_index+0x5e/0x80 [ 286.270756][ T10] fib6_nh_init+0x3d8/0x1580 [ 286.270756][ T10] ip6_route_info_create+0xf18/0x17d0 [ 286.270756][ T10] addrconf_f6i_alloc+0x265/0x560 [ 286.270756][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 286.270756][ T10] addrconf_join_anycast+0x1c0/0x220 [ 286.270756][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 286.270756][ T10] addrconf_dad_completed+0x12b/0xe20 [ 286.270756][ T10] addrconf_dad_begin+0x310/0x670 [ 286.270756][ T10] addrconf_dad_work+0x10b/0xab0 [ 286.270756][ T10] process_one_work+0x84d/0x18a0 [ 286.270756][ T10] worker_thread+0x587/0xd30 [ 286.270756][ T10] kthread+0x28a/0x350 [ 286.270756][ T10] ret_from_fork+0x31/0x70 [ 286.270756][ T10] ret_from_fork_asm+0x1a/0x30 [ 286.270756][ T10] [ 286.272740][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 286.272740][ T10] netdev_get_by_index+0x5e/0x80 [ 286.272740][ T10] fib6_nh_init+0x3d8/0x1580 [ 286.272740][ T10] ip6_route_info_create+0xf18/0x17d0 [ 286.272740][ T10] ip6_route_add+0x1c/0x140 [ 286.272740][ T10] addrconf_prefix_route+0x2a6/0x430 [ 286.272740][ T10] inet6_addr_add+0x4f8/0xa40 [ 286.272740][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 286.272740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 286.272740][ T10] netlink_rcv_skb+0x130/0x360 [ 286.272740][ T10] netlink_unicast+0x449/0x710 [ 286.272740][ T10] netlink_sendmsg+0x723/0xbe0 [ 286.272740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 286.272740][ T10] ___sys_sendmsg+0xee/0x170 [ 286.272740][ T10] __sys_sendmsg+0xcd/0x170 [ 286.272740][ T10] do_syscall_64+0xc6/0x1e0 [ 286.272740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 286.272740][ T10] [ 286.274883][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 286.274883][ T10] netdev_get_by_index+0x5e/0x80 [ 286.274883][ T10] fib6_nh_init+0x3d8/0x1580 [ 286.274883][ T10] ip6_route_info_create+0xf18/0x17d0 [ 286.274883][ T10] addrconf_f6i_alloc+0x315/0x560 [ 286.274883][ T10] ipv6_add_addr+0x411/0x2000 [ 286.274883][ T10] inet6_addr_add+0x30e/0xa40 [ 286.274883][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 286.274883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 286.274883][ T10] netlink_rcv_skb+0x130/0x360 [ 286.274883][ T10] netlink_unicast+0x449/0x710 [ 286.274883][ T10] netlink_sendmsg+0x723/0xbe0 [ 286.274883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 286.274883][ T10] ___sys_sendmsg+0xee/0x170 [ 286.274883][ T10] __sys_sendmsg+0xcd/0x170 [ 286.274883][ T10] do_syscall_64+0xc6/0x1e0 [ 286.274883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 286.274883][ T10] [ 286.277240][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 286.277240][ T10] netdev_get_by_index+0x5e/0x80 [ 286.277240][ T10] fib6_nh_init+0x3d8/0x1580 [ 286.277240][ T10] ip6_route_info_create+0xf18/0x17d0 [ 286.277240][ T10] ip6_route_add+0x1c/0x140 [ 286.277240][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 286.277240][ T10] addrconf_add_dev+0xe2/0x170 [ 286.277240][ T10] inet6_addr_add+0x12f/0xa40 [ 286.277240][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 286.277240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 286.277240][ T10] netlink_rcv_skb+0x130/0x360 [ 286.277240][ T10] netlink_unicast+0x449/0x710 [ 286.277240][ T10] netlink_sendmsg+0x723/0xbe0 [ 286.277240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 286.277240][ T10] ___sys_sendmsg+0xee/0x170 [ 286.277240][ T10] __sys_sendmsg+0xcd/0x170 [ 286.277240][ T10] do_syscall_64+0xc6/0x1e0 [ 286.277240][ T10] [ 286.279445][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 286.279445][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 286.279445][ T10] ipv6_find_idev+0x102/0x170 [ 286.279445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 286.279445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 286.279445][ T10] netlink_rcv_skb+0x130/0x360 [ 286.279445][ T10] netlink_unicast+0x449/0x710 [ 286.279445][ T10] netlink_sendmsg+0x723/0xbe0 [ 286.279445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 286.279445][ T10] ___sys_sendmsg+0xee/0x170 [ 286.279445][ T10] __sys_sendmsg+0xcd/0x170 [ 286.279445][ T10] do_syscall_64+0xc6/0x1e0 [ 286.279445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 286.279445][ T10] [ 286.281174][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 286.281174][ T10] neigh_parms_alloc+0x1e5/0x510 [ 286.281174][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 286.281174][ T10] ipv6_find_idev+0x102/0x170 [ 286.281174][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 286.281174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 286.281174][ T10] netlink_rcv_skb+0x130/0x360 [ 286.281174][ T10] netlink_unicast+0x449/0x710 [ 286.281174][ T10] netlink_sendmsg+0x723/0xbe0 [ 286.281174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 286.281174][ T10] ___sys_sendmsg+0xee/0x170 [ 286.281174][ T10] __sys_sendmsg+0xcd/0x170 [ 286.281174][ T10] do_syscall_64+0xc6/0x1e0 [ 286.281174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 286.281174][ T10] [ 286.283047][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 286.283298][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 286.283298][ T10] netdev_get_by_index+0x5e/0x80 [ 286.283298][ T10] fib6_nh_init+0x3d8/0x1580 [ 286.283298][ T10] ip6_route_info_create+0xf18/0x17d0 [ 286.283298][ T10] addrconf_f6i_alloc+0x265/0x560 [ 286.283298][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 286.283298][ T10] addrconf_join_anycast+0x1c0/0x220 [ 286.283298][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 286.283298][ T10] addrconf_dad_completed+0x12b/0xe20 [ 286.283298][ T10] addrconf_dad_begin+0x310/0x670 [ 286.283298][ T10] addrconf_dad_work+0x10b/0xab0 [ 286.283298][ T10] process_one_work+0x84d/0x18a0 [ 286.283298][ T10] worker_thread+0x587/0xd30 [ 286.283298][ T10] kthread+0x28a/0x350 [ 286.283298][ T10] ret_from_fork+0x31/0x70 [ 286.283298][ T10] ret_from_fork_asm+0x1a/0x30 [ 286.283298][ T10] [ 286.285506][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 286.285506][ T10] netdev_get_by_index+0x5e/0x80 [ 286.285506][ T10] fib6_nh_init+0x3d8/0x1580 [ 286.285506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 286.285506][ T10] ip6_route_add+0x1c/0x140 [ 286.285506][ T10] addrconf_prefix_route+0x2a6/0x430 [ 286.285506][ T10] inet6_addr_add+0x4f8/0xa40 [ 286.285506][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 286.285506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 286.285506][ T10] netlink_rcv_skb+0x130/0x360 [ 286.285506][ T10] netlink_unicast+0x449/0x710 [ 286.285506][ T10] netlink_sendmsg+0x723/0xbe0 [ 286.285506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 286.285506][ T10] ___sys_sendmsg+0xee/0x170 [ 286.285506][ T10] __sys_sendmsg+0xcd/0x170 [ 286.285506][ T10] do_syscall_64+0xc6/0x1e0 [ 286.285506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 286.285506][ T10] [ 286.287821][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 286.287821][ T10] netdev_get_by_index+0x5e/0x80 [ 286.287821][ T10] fib6_nh_init+0x3d8/0x1580 [ 286.287821][ T10] ip6_route_info_create+0xf18/0x17d0 [ 286.287821][ T10] addrconf_f6i_alloc+0x315/0x560 [ 286.287821][ T10] ipv6_add_addr+0x411/0x2000 [ 286.287821][ T10] inet6_addr_add+0x30e/0xa40 [ 286.287821][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 286.287821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 286.287821][ T10] netlink_rcv_skb+0x130/0x360 [ 286.287821][ T10] netlink_unicast+0x449/0x710 [ 286.287821][ T10] netlink_sendmsg+0x723/0xbe0 [ 286.287821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 286.287821][ T10] ___sys_sendmsg+0xee/0x170 [ 286.287821][ T10] __sys_sendmsg+0xcd/0x170 [ 286.287821][ T10] do_syscall_64+0xc6/0x1e0 [ 286.287821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 286.287821][ T10] [ 286.290079][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 286.290079][ T10] netdev_get_by_index+0x5e/0x80 [ 286.290079][ T10] fib6_nh_init+0x3d8/0x1580 [ 286.290079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 286.290079][ T10] ip6_route_add+0x1c/0x140 [ 286.290079][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 286.290079][ T10] addrconf_add_dev+0xe2/0x170 [ 286.290079][ T10] inet6_addr_add+0x12f/0xa40 [ 286.290079][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 286.290079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 286.290079][ T10] netlink_rcv_skb+0x130/0x360 [ 286.290079][ T10] netlink_unicast+0x449/0x710 [ 286.290079][ T10] netlink_sendmsg+0x723/0xbe0 [ 286.290079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 286.290079][ T10] ___sys_sendmsg+0xee/0x170 [ 286.290079][ T10] __sys_sendmsg+0xcd/0x170 [ 286.290079][ T10] do_syscall_64+0xc6/0x1e0 [ 286.290079][ T10] [ 286.292225][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 286.292225][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 286.292225][ T10] ipv6_find_idev+0x102/0x170 [ 286.292225][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 286.292225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 286.292225][ T10] netlink_rcv_skb+0x130/0x360 [ 286.292225][ T10] netlink_unicast+0x449/0x710 [ 286.292225][ T10] netlink_sendmsg+0x723/0xbe0 [ 286.292225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 286.292225][ T10] ___sys_sendmsg+0xee/0x170 [ 286.292225][ T10] __sys_sendmsg+0xcd/0x170 [ 286.292225][ T10] do_syscall_64+0xc6/0x1e0 [ 286.292225][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 286.292225][ T10] [ 286.293949][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 286.293949][ T10] neigh_parms_alloc+0x1e5/0x510 [ 286.293949][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 286.293949][ T10] ipv6_find_idev+0x102/0x170 [ 286.293949][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 286.293949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 286.293949][ T10] netlink_rcv_skb+0x130/0x360 [ 286.293949][ T10] netlink_unicast+0x449/0x710 [ 286.293949][ T10] netlink_sendmsg+0x723/0xbe0 [ 286.293949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 286.293949][ T10] ___sys_sendmsg+0xee/0x170 [ 286.293949][ T10] __sys_sendmsg+0xcd/0x170 [ 286.293949][ T10] do_syscall_64+0xc6/0x1e0 [ 286.293949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 286.293949][ T10] [ 290.097170][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 290.097825][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 290.097825][ T1167] dst_init+0x84/0x4a0 [ 290.097825][ T1167] dst_alloc+0x97/0x150 [ 290.097825][ T1167] ip6_dst_alloc+0x23/0x90 [ 290.097825][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 290.097825][ T1167] ip6_pol_route+0x56f/0x840 [ 290.097825][ T1167] fib6_rule_lookup+0x334/0x630 [ 290.097825][ T1167] ip6_route_output_flags+0x259/0x480 [ 290.097825][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 290.097825][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 290.097825][ T1167] netlink_rcv_skb+0x130/0x360 [ 290.097825][ T1167] netlink_unicast+0x449/0x710 [ 290.097825][ T1167] netlink_sendmsg+0x723/0xbe0 [ 290.097825][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 290.097825][ T1167] ___sys_sendmsg+0xee/0x170 [ 290.097825][ T1167] __sys_sendmsg+0xcd/0x170 [ 290.097825][ T1167] do_syscall_64+0xc6/0x1e0 [ 290.097825][ T1167] [ 290.101351][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 290.101351][ T1167] netdev_get_by_index+0x5e/0x80 [ 290.101351][ T1167] fib6_nh_init+0x3d8/0x1580 [ 290.101351][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 290.101351][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 290.101351][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 290.101351][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 290.101351][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 290.101351][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 290.101351][ T1167] addrconf_dad_begin+0x310/0x670 [ 290.101351][ T1167] addrconf_dad_work+0x10b/0xab0 [ 290.101351][ T1167] process_one_work+0x84d/0x18a0 [ 290.101351][ T1167] worker_thread+0x587/0xd30 [ 290.101351][ T1167] kthread+0x28a/0x350 [ 290.101351][ T1167] ret_from_fork+0x31/0x70 [ 290.101351][ T1167] ret_from_fork_asm+0x1a/0x30 [ 290.101351][ T1167] [ 290.104708][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 290.104708][ T1167] netdev_get_by_index+0x5e/0x80 [ 290.104708][ T1167] fib6_nh_init+0x3d8/0x1580 [ 290.104708][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 290.104708][ T1167] ip6_route_add+0x1c/0x140 [ 290.104708][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 290.104708][ T1167] inet6_addr_add+0x4f8/0xa40 [ 290.104708][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 290.104708][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 290.104708][ T1167] netlink_rcv_skb+0x130/0x360 [ 290.104708][ T1167] netlink_unicast+0x449/0x710 [ 290.104708][ T1167] netlink_sendmsg+0x723/0xbe0 [ 290.104708][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 290.104708][ T1167] ___sys_sendmsg+0xee/0x170 [ 290.104708][ T1167] __sys_sendmsg+0xcd/0x170 [ 290.104708][ T1167] do_syscall_64+0xc6/0x1e0 [ 290.104708][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 290.104708][ T1167] [ 290.108120][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 290.108120][ T1167] netdev_get_by_index+0x5e/0x80 [ 290.108120][ T1167] fib6_nh_init+0x3d8/0x1580 [ 290.108120][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 290.108120][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 290.108120][ T1167] ipv6_add_addr+0x411/0x2000 [ 290.108120][ T1167] inet6_addr_add+0x30e/0xa40 [ 290.108120][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 290.108120][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 290.108120][ T1167] netlink_rcv_skb+0x130/0x360 [ 290.108120][ T1167] netlink_unicast+0x449/0x710 [ 290.108120][ T1167] netlink_sendmsg+0x723/0xbe0 [ 290.108120][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 290.108120][ T1167] ___sys_sendmsg+0xee/0x170 [ 290.108120][ T1167] __sys_sendmsg+0xcd/0x170 [ 290.108120][ T1167] do_syscall_64+0xc6/0x1e0 [ 290.108120][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 290.108120][ T1167] [ 290.111482][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 290.111482][ T1167] netdev_get_by_index+0x5e/0x80 [ 290.111482][ T1167] fib6_nh_init+0x3d8/0x1580 [ 290.111482][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 290.111482][ T1167] ip6_route_add+0x1c/0x140 [ 290.111482][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 290.111482][ T1167] addrconf_add_dev+0xe2/0x170 [ 290.111482][ T1167] inet6_addr_add+0x12f/0xa40 [ 290.111482][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 290.111482][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 290.111482][ T1167] netlink_rcv_skb+0x130/0x360 [ 290.111482][ T1167] netlink_unicast+0x449/0x710 [ 290.111482][ T1167] netlink_sendmsg+0x723/0xbe0 [ 290.111482][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 290.111482][ T1167] ___sys_sendmsg+0xee/0x170 [ 290.111482][ T1167] __sys_sendmsg+0xcd/0x170 [ 290.111482][ T1167] do_syscall_64+0xc6/0x1e0 [ 290.111482][ T1167] [ 290.114987][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 290.114987][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 290.114987][ T1167] ipv6_find_idev+0x102/0x170 [ 290.114987][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 290.114987][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 290.114987][ T1167] netlink_rcv_skb+0x130/0x360 [ 290.114987][ T1167] netlink_unicast+0x449/0x710 [ 290.114987][ T1167] netlink_sendmsg+0x723/0xbe0 [ 290.114987][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 290.114987][ T1167] ___sys_sendmsg+0xee/0x170 [ 290.114987][ T1167] __sys_sendmsg+0xcd/0x170 [ 290.114987][ T1167] do_syscall_64+0xc6/0x1e0 [ 290.114987][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 290.114987][ T1167] [ 290.117793][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 290.117793][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 290.117793][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 290.117793][ T1167] ipv6_find_idev+0x102/0x170 [ 290.117793][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 290.117793][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 290.117793][ T1167] netlink_rcv_skb+0x130/0x360 [ 290.117793][ T1167] netlink_unicast+0x449/0x710 [ 290.117793][ T1167] netlink_sendmsg+0x723/0xbe0 [ 290.117793][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 290.117793][ T1167] ___sys_sendmsg+0xee/0x170 [ 290.117793][ T1167] __sys_sendmsg+0xcd/0x170 [ 290.117793][ T1167] do_syscall_64+0xc6/0x1e0 [ 290.117793][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 290.117793][ T1167] [ 296.497161][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 296.497578][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 296.497578][ T10] netdev_get_by_index+0x5e/0x80 [ 296.497578][ T10] fib6_nh_init+0x3d8/0x1580 [ 296.497578][ T10] ip6_route_info_create+0xf18/0x17d0 [ 296.497578][ T10] addrconf_f6i_alloc+0x265/0x560 [ 296.497578][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 296.497578][ T10] addrconf_join_anycast+0x1c0/0x220 [ 296.497578][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 296.497578][ T10] addrconf_dad_completed+0x12b/0xe20 [ 296.497578][ T10] addrconf_dad_begin+0x310/0x670 [ 296.497578][ T10] addrconf_dad_work+0x10b/0xab0 [ 296.497578][ T10] process_one_work+0x84d/0x18a0 [ 296.497578][ T10] worker_thread+0x587/0xd30 [ 296.497578][ T10] kthread+0x28a/0x350 [ 296.497578][ T10] ret_from_fork+0x31/0x70 [ 296.497578][ T10] ret_from_fork_asm+0x1a/0x30 [ 296.497578][ T10] [ 296.499875][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 296.499875][ T10] netdev_get_by_index+0x5e/0x80 [ 296.499875][ T10] fib6_nh_init+0x3d8/0x1580 [ 296.499875][ T10] ip6_route_info_create+0xf18/0x17d0 [ 296.499875][ T10] ip6_route_add+0x1c/0x140 [ 296.499875][ T10] addrconf_prefix_route+0x2a6/0x430 [ 296.499875][ T10] inet6_addr_add+0x4f8/0xa40 [ 296.499875][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 296.499875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 296.499875][ T10] netlink_rcv_skb+0x130/0x360 [ 296.499875][ T10] netlink_unicast+0x449/0x710 [ 296.499875][ T10] netlink_sendmsg+0x723/0xbe0 [ 296.499875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 296.499875][ T10] ___sys_sendmsg+0xee/0x170 [ 296.499875][ T10] __sys_sendmsg+0xcd/0x170 [ 296.499875][ T10] do_syscall_64+0xc6/0x1e0 [ 296.499875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 296.499875][ T10] [ 296.502047][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 296.502047][ T10] netdev_get_by_index+0x5e/0x80 [ 296.502047][ T10] fib6_nh_init+0x3d8/0x1580 [ 296.502047][ T10] ip6_route_info_create+0xf18/0x17d0 [ 296.502047][ T10] addrconf_f6i_alloc+0x315/0x560 [ 296.502047][ T10] ipv6_add_addr+0x411/0x2000 [ 296.502047][ T10] inet6_addr_add+0x30e/0xa40 [ 296.502047][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 296.502047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 296.502047][ T10] netlink_rcv_skb+0x130/0x360 [ 296.502047][ T10] netlink_unicast+0x449/0x710 [ 296.502047][ T10] netlink_sendmsg+0x723/0xbe0 [ 296.502047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 296.502047][ T10] ___sys_sendmsg+0xee/0x170 [ 296.502047][ T10] __sys_sendmsg+0xcd/0x170 [ 296.502047][ T10] do_syscall_64+0xc6/0x1e0 [ 296.502047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 296.502047][ T10] [ 296.504295][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 296.504295][ T10] netdev_get_by_index+0x5e/0x80 [ 296.504295][ T10] fib6_nh_init+0x3d8/0x1580 [ 296.504295][ T10] ip6_route_info_create+0xf18/0x17d0 [ 296.504295][ T10] ip6_route_add+0x1c/0x140 [ 296.504295][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 296.504295][ T10] addrconf_add_dev+0xe2/0x170 [ 296.504295][ T10] inet6_addr_add+0x12f/0xa40 [ 296.504295][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 296.504295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 296.504295][ T10] netlink_rcv_skb+0x130/0x360 [ 296.504295][ T10] netlink_unicast+0x449/0x710 [ 296.504295][ T10] netlink_sendmsg+0x723/0xbe0 [ 296.504295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 296.504295][ T10] ___sys_sendmsg+0xee/0x170 [ 296.504295][ T10] __sys_sendmsg+0xcd/0x170 [ 296.504295][ T10] do_syscall_64+0xc6/0x1e0 [ 296.504295][ T10] [ 296.506570][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 296.506570][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 296.506570][ T10] ipv6_find_idev+0x102/0x170 [ 296.506570][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 296.506570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 296.506570][ T10] netlink_rcv_skb+0x130/0x360 [ 296.506570][ T10] netlink_unicast+0x449/0x710 [ 296.506570][ T10] netlink_sendmsg+0x723/0xbe0 [ 296.506570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 296.506570][ T10] ___sys_sendmsg+0xee/0x170 [ 296.506570][ T10] __sys_sendmsg+0xcd/0x170 [ 296.506570][ T10] do_syscall_64+0xc6/0x1e0 [ 296.506570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 296.506570][ T10] [ 296.508411][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 296.508411][ T10] neigh_parms_alloc+0x1e5/0x510 [ 296.508411][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 296.508411][ T10] ipv6_find_idev+0x102/0x170 [ 296.508411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 296.508411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 296.508411][ T10] netlink_rcv_skb+0x130/0x360 [ 296.508411][ T10] netlink_unicast+0x449/0x710 [ 296.508411][ T10] netlink_sendmsg+0x723/0xbe0 [ 296.508411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 296.508411][ T10] ___sys_sendmsg+0xee/0x170 [ 296.508411][ T10] __sys_sendmsg+0xcd/0x170 [ 296.508411][ T10] do_syscall_64+0xc6/0x1e0 [ 296.508411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 296.508411][ T10] [ 296.510396][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 296.510686][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 296.510686][ T10] netdev_get_by_index+0x5e/0x80 [ 296.510686][ T10] fib6_nh_init+0x3d8/0x1580 [ 296.510686][ T10] ip6_route_info_create+0xf18/0x17d0 [ 296.510686][ T10] addrconf_f6i_alloc+0x265/0x560 [ 296.510686][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 296.510686][ T10] addrconf_join_anycast+0x1c0/0x220 [ 296.510686][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 296.510686][ T10] addrconf_dad_completed+0x12b/0xe20 [ 296.510686][ T10] addrconf_dad_begin+0x310/0x670 [ 296.510686][ T10] addrconf_dad_work+0x10b/0xab0 [ 296.510686][ T10] process_one_work+0x84d/0x18a0 [ 296.510686][ T10] worker_thread+0x587/0xd30 [ 296.510686][ T10] kthread+0x28a/0x350 [ 296.510686][ T10] ret_from_fork+0x31/0x70 [ 296.510686][ T10] ret_from_fork_asm+0x1a/0x30 [ 296.510686][ T10] [ 296.512817][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 296.512817][ T10] netdev_get_by_index+0x5e/0x80 [ 296.512817][ T10] fib6_nh_init+0x3d8/0x1580 [ 296.512817][ T10] ip6_route_info_create+0xf18/0x17d0 [ 296.512817][ T10] ip6_route_add+0x1c/0x140 [ 296.512817][ T10] addrconf_prefix_route+0x2a6/0x430 [ 296.512817][ T10] inet6_addr_add+0x4f8/0xa40 [ 296.512817][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 296.512817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 296.512817][ T10] netlink_rcv_skb+0x130/0x360 [ 296.512817][ T10] netlink_unicast+0x449/0x710 [ 296.512817][ T10] netlink_sendmsg+0x723/0xbe0 [ 296.512817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 296.512817][ T10] ___sys_sendmsg+0xee/0x170 [ 296.512817][ T10] __sys_sendmsg+0xcd/0x170 [ 296.512817][ T10] do_syscall_64+0xc6/0x1e0 [ 296.512817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 296.512817][ T10] [ 296.514900][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 296.514900][ T10] netdev_get_by_index+0x5e/0x80 [ 296.514900][ T10] fib6_nh_init+0x3d8/0x1580 [ 296.514900][ T10] ip6_route_info_create+0xf18/0x17d0 [ 296.514900][ T10] addrconf_f6i_alloc+0x315/0x560 [ 296.514900][ T10] ipv6_add_addr+0x411/0x2000 [ 296.514900][ T10] inet6_addr_add+0x30e/0xa40 [ 296.514900][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 296.514900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 296.514900][ T10] netlink_rcv_skb+0x130/0x360 [ 296.514900][ T10] netlink_unicast+0x449/0x710 [ 296.514900][ T10] netlink_sendmsg+0x723/0xbe0 [ 296.514900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 296.514900][ T10] ___sys_sendmsg+0xee/0x170 [ 296.514900][ T10] __sys_sendmsg+0xcd/0x170 [ 296.514900][ T10] do_syscall_64+0xc6/0x1e0 [ 296.514900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 296.514900][ T10] [ 296.516977][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 296.516977][ T10] netdev_get_by_index+0x5e/0x80 [ 296.516977][ T10] fib6_nh_init+0x3d8/0x1580 [ 296.516977][ T10] ip6_route_info_create+0xf18/0x17d0 [ 296.516977][ T10] ip6_route_add+0x1c/0x140 [ 296.516977][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 296.516977][ T10] addrconf_add_dev+0xe2/0x170 [ 296.516977][ T10] inet6_addr_add+0x12f/0xa40 [ 296.516977][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 296.516977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 296.516977][ T10] netlink_rcv_skb+0x130/0x360 [ 296.516977][ T10] netlink_unicast+0x449/0x710 [ 296.516977][ T10] netlink_sendmsg+0x723/0xbe0 [ 296.516977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 296.516977][ T10] ___sys_sendmsg+0xee/0x170 [ 296.516977][ T10] __sys_sendmsg+0xcd/0x170 [ 296.516977][ T10] do_syscall_64+0xc6/0x1e0 [ 296.516977][ T10] [ 296.519089][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 296.519089][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 296.519089][ T10] ipv6_find_idev+0x102/0x170 [ 296.519089][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 296.519089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 296.519089][ T10] netlink_rcv_skb+0x130/0x360 [ 296.519089][ T10] netlink_unicast+0x449/0x710 [ 296.519089][ T10] netlink_sendmsg+0x723/0xbe0 [ 296.519089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 296.519089][ T10] ___sys_sendmsg+0xee/0x170 [ 296.519089][ T10] __sys_sendmsg+0xcd/0x170 [ 296.519089][ T10] do_syscall_64+0xc6/0x1e0 [ 296.519089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 296.519089][ T10] [ 296.520682][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 296.520682][ T10] neigh_parms_alloc+0x1e5/0x510 [ 296.520682][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 296.520682][ T10] ipv6_find_idev+0x102/0x170 [ 296.520682][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 296.520682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 296.520682][ T10] netlink_rcv_skb+0x130/0x360 [ 296.520682][ T10] netlink_unicast+0x449/0x710 [ 296.520682][ T10] netlink_sendmsg+0x723/0xbe0 [ 296.520682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 296.520682][ T10] ___sys_sendmsg+0xee/0x170 [ 296.520682][ T10] __sys_sendmsg+0xcd/0x170 [ 296.520682][ T10] do_syscall_64+0xc6/0x1e0 [ 296.520682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 296.520682][ T10] [ 296.522521][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 296.522782][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 296.522782][ T10] netdev_get_by_index+0x5e/0x80 [ 296.522782][ T10] fib6_nh_init+0x3d8/0x1580 [ 296.522782][ T10] ip6_route_info_create+0xf18/0x17d0 [ 296.522782][ T10] addrconf_f6i_alloc+0x265/0x560 [ 296.522782][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 296.522782][ T10] addrconf_join_anycast+0x1c0/0x220 [ 296.522782][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 296.522782][ T10] addrconf_dad_completed+0x12b/0xe20 [ 296.522782][ T10] addrconf_dad_begin+0x310/0x670 [ 296.522782][ T10] addrconf_dad_work+0x10b/0xab0 [ 296.522782][ T10] process_one_work+0x84d/0x18a0 [ 296.522782][ T10] worker_thread+0x587/0xd30 [ 296.522782][ T10] kthread+0x28a/0x350 [ 296.522782][ T10] ret_from_fork+0x31/0x70 [ 296.522782][ T10] ret_from_fork_asm+0x1a/0x30 [ 296.522782][ T10] [ 296.524759][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 296.524759][ T10] netdev_get_by_index+0x5e/0x80 [ 296.524759][ T10] fib6_nh_init+0x3d8/0x1580 [ 296.524759][ T10] ip6_route_info_create+0xf18/0x17d0 [ 296.524759][ T10] ip6_route_add+0x1c/0x140 [ 296.524759][ T10] addrconf_prefix_route+0x2a6/0x430 [ 296.524759][ T10] inet6_addr_add+0x4f8/0xa40 [ 296.524759][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 296.524759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 296.524759][ T10] netlink_rcv_skb+0x130/0x360 [ 296.524759][ T10] netlink_unicast+0x449/0x710 [ 296.524759][ T10] netlink_sendmsg+0x723/0xbe0 [ 296.524759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 296.524759][ T10] ___sys_sendmsg+0xee/0x170 [ 296.524759][ T10] __sys_sendmsg+0xcd/0x170 [ 296.524759][ T10] do_syscall_64+0xc6/0x1e0 [ 296.524759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 296.524759][ T10] [ 296.527091][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 296.527091][ T10] netdev_get_by_index+0x5e/0x80 [ 296.527091][ T10] fib6_nh_init+0x3d8/0x1580 [ 296.527091][ T10] ip6_route_info_create+0xf18/0x17d0 [ 296.527091][ T10] addrconf_f6i_alloc+0x315/0x560 [ 296.527091][ T10] ipv6_add_addr+0x411/0x2000 [ 296.527091][ T10] inet6_addr_add+0x30e/0xa40 [ 296.527091][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 296.527091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 296.527091][ T10] netlink_rcv_skb+0x130/0x360 [ 296.527091][ T10] netlink_unicast+0x449/0x710 [ 296.527091][ T10] netlink_sendmsg+0x723/0xbe0 [ 296.527091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 296.527091][ T10] ___sys_sendmsg+0xee/0x170 [ 296.527091][ T10] __sys_sendmsg+0xcd/0x170 [ 296.527091][ T10] do_syscall_64+0xc6/0x1e0 [ 296.527091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 296.527091][ T10] [ 296.529633][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 296.529633][ T10] netdev_get_by_index+0x5e/0x80 [ 296.529633][ T10] fib6_nh_init+0x3d8/0x1580 [ 296.529633][ T10] ip6_route_info_create+0xf18/0x17d0 [ 296.529633][ T10] ip6_route_add+0x1c/0x140 [ 296.529633][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 296.529633][ T10] addrconf_add_dev+0xe2/0x170 [ 296.529633][ T10] inet6_addr_add+0x12f/0xa40 [ 296.529633][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 296.529633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 296.529633][ T10] netlink_rcv_skb+0x130/0x360 [ 296.529633][ T10] netlink_unicast+0x449/0x710 [ 296.529633][ T10] netlink_sendmsg+0x723/0xbe0 [ 296.529633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 296.529633][ T10] ___sys_sendmsg+0xee/0x170 [ 296.529633][ T10] __sys_sendmsg+0xcd/0x170 [ 296.529633][ T10] do_syscall_64+0xc6/0x1e0 [ 296.529633][ T10] [ 296.531915][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 296.531915][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 296.531915][ T10] ipv6_find_idev+0x102/0x170 [ 296.531915][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 296.531915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 296.531915][ T10] netlink_rcv_skb+0x130/0x360 [ 296.531915][ T10] netlink_unicast+0x449/0x710 [ 296.531915][ T10] netlink_sendmsg+0x723/0xbe0 [ 296.531915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 296.531915][ T10] ___sys_sendmsg+0xee/0x170 [ 296.531915][ T10] __sys_sendmsg+0xcd/0x170 [ 296.531915][ T10] do_syscall_64+0xc6/0x1e0 [ 296.531915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 296.531915][ T10] [ 296.533659][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 296.533659][ T10] neigh_parms_alloc+0x1e5/0x510 [ 296.533659][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 296.533659][ T10] ipv6_find_idev+0x102/0x170 [ 296.533659][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 296.533659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 296.533659][ T10] netlink_rcv_skb+0x130/0x360 [ 296.533659][ T10] netlink_unicast+0x449/0x710 [ 296.533659][ T10] netlink_sendmsg+0x723/0xbe0 [ 296.533659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 296.533659][ T10] ___sys_sendmsg+0xee/0x170 [ 296.533659][ T10] __sys_sendmsg+0xcd/0x170 [ 296.533659][ T10] do_syscall_64+0xc6/0x1e0 [ 296.533659][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 296.533659][ T10] [ 296.535663][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 296.535914][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 296.535914][ T10] netdev_get_by_index+0x5e/0x80 [ 296.535914][ T10] fib6_nh_init+0x3d8/0x1580 [ 296.535914][ T10] ip6_route_info_create+0xf18/0x17d0 [ 296.535914][ T10] addrconf_f6i_alloc+0x265/0x560 [ 296.535914][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 296.535914][ T10] addrconf_join_anycast+0x1c0/0x220 [ 296.535914][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 296.535914][ T10] addrconf_dad_completed+0x12b/0xe20 [ 296.535914][ T10] addrconf_dad_begin+0x310/0x670 [ 296.535914][ T10] addrconf_dad_work+0x10b/0xab0 [ 296.535914][ T10] process_one_work+0x84d/0x18a0 [ 296.535914][ T10] worker_thread+0x587/0xd30 [ 296.535914][ T10] kthread+0x28a/0x350 [ 296.535914][ T10] ret_from_fork+0x31/0x70 [ 296.535914][ T10] ret_from_fork_asm+0x1a/0x30 [ 296.535914][ T10] [ 296.538112][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 296.538112][ T10] netdev_get_by_index+0x5e/0x80 [ 296.538112][ T10] fib6_nh_init+0x3d8/0x1580 [ 296.538112][ T10] ip6_route_info_create+0xf18/0x17d0 [ 296.538112][ T10] ip6_route_add+0x1c/0x140 [ 296.538112][ T10] addrconf_prefix_route+0x2a6/0x430 [ 296.538112][ T10] inet6_addr_add+0x4f8/0xa40 [ 296.538112][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 296.538112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 296.538112][ T10] netlink_rcv_skb+0x130/0x360 [ 296.538112][ T10] netlink_unicast+0x449/0x710 [ 296.538112][ T10] netlink_sendmsg+0x723/0xbe0 [ 296.538112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 296.538112][ T10] ___sys_sendmsg+0xee/0x170 [ 296.538112][ T10] __sys_sendmsg+0xcd/0x170 [ 296.538112][ T10] do_syscall_64+0xc6/0x1e0 [ 296.538112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 296.538112][ T10] [ 296.540385][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 296.540385][ T10] netdev_get_by_index+0x5e/0x80 [ 296.540385][ T10] fib6_nh_init+0x3d8/0x1580 [ 296.540385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 296.540385][ T10] addrconf_f6i_alloc+0x315/0x560 [ 296.540385][ T10] ipv6_add_addr+0x411/0x2000 [ 296.540385][ T10] inet6_addr_add+0x30e/0xa40 [ 296.540385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 296.540385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 296.540385][ T10] netlink_rcv_skb+0x130/0x360 [ 296.540385][ T10] netlink_unicast+0x449/0x710 [ 296.540385][ T10] netlink_sendmsg+0x723/0xbe0 [ 296.540385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 296.540385][ T10] ___sys_sendmsg+0xee/0x170 [ 296.540385][ T10] __sys_sendmsg+0xcd/0x170 [ 296.540385][ T10] do_syscall_64+0xc6/0x1e0 [ 296.540385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 296.540385][ T10] [ 296.542663][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 296.542663][ T10] netdev_get_by_index+0x5e/0x80 [ 296.542663][ T10] fib6_nh_init+0x3d8/0x1580 [ 296.542663][ T10] ip6_route_info_create+0xf18/0x17d0 [ 296.542663][ T10] ip6_route_add+0x1c/0x140 [ 296.542663][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 296.542663][ T10] addrconf_add_dev+0xe2/0x170 [ 296.542663][ T10] inet6_addr_add+0x12f/0xa40 [ 296.542663][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 296.542663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 296.542663][ T10] netlink_rcv_skb+0x130/0x360 [ 296.542663][ T10] netlink_unicast+0x449/0x710 [ 296.542663][ T10] netlink_sendmsg+0x723/0xbe0 [ 296.542663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 296.542663][ T10] ___sys_sendmsg+0xee/0x170 [ 296.542663][ T10] __sys_sendmsg+0xcd/0x170 [ 296.542663][ T10] do_syscall_64+0xc6/0x1e0 [ 296.542663][ T10] [ 296.544895][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 296.544895][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 296.544895][ T10] ipv6_find_idev+0x102/0x170 [ 296.544895][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 296.544895][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 296.544895][ T10] netlink_rcv_skb+0x130/0x360 [ 296.544895][ T10] netlink_unicast+0x449/0x710 [ 296.544895][ T10] netlink_sendmsg+0x723/0xbe0 [ 296.544895][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 296.544895][ T10] ___sys_sendmsg+0xee/0x170 [ 296.544895][ T10] __sys_sendmsg+0xcd/0x170 [ 296.544895][ T10] do_syscall_64+0xc6/0x1e0 [ 296.544895][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 296.544895][ T10] [ 296.546709][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 296.546709][ T10] neigh_parms_alloc+0x1e5/0x510 [ 296.546709][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 296.546709][ T10] ipv6_find_idev+0x102/0x170 [ 296.546709][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 296.546709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 296.546709][ T10] netlink_rcv_skb+0x130/0x360 [ 296.546709][ T10] netlink_unicast+0x449/0x710 [ 296.546709][ T10] netlink_sendmsg+0x723/0xbe0 [ 296.546709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 296.546709][ T10] ___sys_sendmsg+0xee/0x170 [ 296.546709][ T10] __sys_sendmsg+0xcd/0x170 [ 296.546709][ T10] do_syscall_64+0xc6/0x1e0 [ 296.546709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 296.546709][ T10] [ 300.161149][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 300.161658][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 300.161658][ T1167] dst_init+0x84/0x4a0 [ 300.161658][ T1167] dst_alloc+0x97/0x150 [ 300.161658][ T1167] ip6_dst_alloc+0x23/0x90 [ 300.161658][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 300.161658][ T1167] ip6_pol_route+0x56f/0x840 [ 300.161658][ T1167] fib6_rule_lookup+0x334/0x630 [ 300.161658][ T1167] ip6_route_output_flags+0x259/0x480 [ 300.161658][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 300.161658][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 300.161658][ T1167] netlink_rcv_skb+0x130/0x360 [ 300.161658][ T1167] netlink_unicast+0x449/0x710 [ 300.161658][ T1167] netlink_sendmsg+0x723/0xbe0 [ 300.161658][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 300.161658][ T1167] ___sys_sendmsg+0xee/0x170 [ 300.161658][ T1167] __sys_sendmsg+0xcd/0x170 [ 300.161658][ T1167] do_syscall_64+0xc6/0x1e0 [ 300.161658][ T1167] [ 300.164627][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 300.164627][ T1167] netdev_get_by_index+0x5e/0x80 [ 300.164627][ T1167] fib6_nh_init+0x3d8/0x1580 [ 300.164627][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 300.164627][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 300.164627][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 300.164627][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 300.164627][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 300.164627][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 300.164627][ T1167] addrconf_dad_begin+0x310/0x670 [ 300.164627][ T1167] addrconf_dad_work+0x10b/0xab0 [ 300.164627][ T1167] process_one_work+0x84d/0x18a0 [ 300.164627][ T1167] worker_thread+0x587/0xd30 [ 300.164627][ T1167] kthread+0x28a/0x350 [ 300.164627][ T1167] ret_from_fork+0x31/0x70 [ 300.164627][ T1167] ret_from_fork_asm+0x1a/0x30 [ 300.164627][ T1167] [ 300.168200][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 300.168200][ T1167] netdev_get_by_index+0x5e/0x80 [ 300.168200][ T1167] fib6_nh_init+0x3d8/0x1580 [ 300.168200][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 300.168200][ T1167] ip6_route_add+0x1c/0x140 [ 300.168200][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 300.168200][ T1167] inet6_addr_add+0x4f8/0xa40 [ 300.168200][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 300.168200][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.168200][ T1167] netlink_rcv_skb+0x130/0x360 [ 300.168200][ T1167] netlink_unicast+0x449/0x710 [ 300.168200][ T1167] netlink_sendmsg+0x723/0xbe0 [ 300.168200][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 300.168200][ T1167] ___sys_sendmsg+0xee/0x170 [ 300.168200][ T1167] __sys_sendmsg+0xcd/0x170 [ 300.168200][ T1167] do_syscall_64+0xc6/0x1e0 [ 300.168200][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.168200][ T1167] [ 300.171843][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 300.171843][ T1167] netdev_get_by_index+0x5e/0x80 [ 300.171843][ T1167] fib6_nh_init+0x3d8/0x1580 [ 300.171843][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 300.171843][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 300.171843][ T1167] ipv6_add_addr+0x411/0x2000 [ 300.171843][ T1167] inet6_addr_add+0x30e/0xa40 [ 300.171843][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 300.171843][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.171843][ T1167] netlink_rcv_skb+0x130/0x360 [ 300.171843][ T1167] netlink_unicast+0x449/0x710 [ 300.171843][ T1167] netlink_sendmsg+0x723/0xbe0 [ 300.171843][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 300.171843][ T1167] ___sys_sendmsg+0xee/0x170 [ 300.171843][ T1167] __sys_sendmsg+0xcd/0x170 [ 300.171843][ T1167] do_syscall_64+0xc6/0x1e0 [ 300.171843][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.171843][ T1167] [ 300.175106][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 300.175106][ T1167] netdev_get_by_index+0x5e/0x80 [ 300.175106][ T1167] fib6_nh_init+0x3d8/0x1580 [ 300.175106][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 300.175106][ T1167] ip6_route_add+0x1c/0x140 [ 300.175106][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 300.175106][ T1167] addrconf_add_dev+0xe2/0x170 [ 300.175106][ T1167] inet6_addr_add+0x12f/0xa40 [ 300.175106][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 300.175106][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.175106][ T1167] netlink_rcv_skb+0x130/0x360 [ 300.175106][ T1167] netlink_unicast+0x449/0x710 [ 300.175106][ T1167] netlink_sendmsg+0x723/0xbe0 [ 300.175106][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 300.175106][ T1167] ___sys_sendmsg+0xee/0x170 [ 300.175106][ T1167] __sys_sendmsg+0xcd/0x170 [ 300.175106][ T1167] do_syscall_64+0xc6/0x1e0 [ 300.175106][ T1167] [ 300.177391][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 300.177391][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 300.177391][ T1167] ipv6_find_idev+0x102/0x170 [ 300.177391][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 300.177391][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.177391][ T1167] netlink_rcv_skb+0x130/0x360 [ 300.177391][ T1167] netlink_unicast+0x449/0x710 [ 300.177391][ T1167] netlink_sendmsg+0x723/0xbe0 [ 300.177391][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 300.177391][ T1167] ___sys_sendmsg+0xee/0x170 [ 300.177391][ T1167] __sys_sendmsg+0xcd/0x170 [ 300.177391][ T1167] do_syscall_64+0xc6/0x1e0 [ 300.177391][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.177391][ T1167] [ 300.179209][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 300.179209][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 300.179209][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 300.179209][ T1167] ipv6_find_idev+0x102/0x170 [ 300.179209][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 300.179209][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.179209][ T1167] netlink_rcv_skb+0x130/0x360 [ 300.179209][ T1167] netlink_unicast+0x449/0x710 [ 300.179209][ T1167] netlink_sendmsg+0x723/0xbe0 [ 300.179209][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 300.179209][ T1167] ___sys_sendmsg+0xee/0x170 [ 300.179209][ T1167] __sys_sendmsg+0xcd/0x170 [ 300.179209][ T1167] do_syscall_64+0xc6/0x1e0 [ 300.179209][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.179209][ T1167] [ 306.561070][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 306.561472][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 306.561472][ T10] netdev_get_by_index+0x5e/0x80 [ 306.561472][ T10] fib6_nh_init+0x3d8/0x1580 [ 306.561472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 306.561472][ T10] addrconf_f6i_alloc+0x265/0x560 [ 306.561472][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 306.561472][ T10] addrconf_join_anycast+0x1c0/0x220 [ 306.561472][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 306.561472][ T10] addrconf_dad_completed+0x12b/0xe20 [ 306.561472][ T10] addrconf_dad_begin+0x310/0x670 [ 306.561472][ T10] addrconf_dad_work+0x10b/0xab0 [ 306.561472][ T10] process_one_work+0x84d/0x18a0 [ 306.561472][ T10] worker_thread+0x587/0xd30 [ 306.561472][ T10] kthread+0x28a/0x350 [ 306.561472][ T10] ret_from_fork+0x31/0x70 [ 306.561472][ T10] ret_from_fork_asm+0x1a/0x30 [ 306.561472][ T10] [ 306.563634][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 306.563634][ T10] netdev_get_by_index+0x5e/0x80 [ 306.563634][ T10] fib6_nh_init+0x3d8/0x1580 [ 306.563634][ T10] ip6_route_info_create+0xf18/0x17d0 [ 306.563634][ T10] ip6_route_add+0x1c/0x140 [ 306.563634][ T10] addrconf_prefix_route+0x2a6/0x430 [ 306.563634][ T10] inet6_addr_add+0x4f8/0xa40 [ 306.563634][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 306.563634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 306.563634][ T10] netlink_rcv_skb+0x130/0x360 [ 306.563634][ T10] netlink_unicast+0x449/0x710 [ 306.563634][ T10] netlink_sendmsg+0x723/0xbe0 [ 306.563634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 306.563634][ T10] ___sys_sendmsg+0xee/0x170 [ 306.563634][ T10] __sys_sendmsg+0xcd/0x170 [ 306.563634][ T10] do_syscall_64+0xc6/0x1e0 [ 306.563634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 306.563634][ T10] [ 306.565857][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 306.565857][ T10] netdev_get_by_index+0x5e/0x80 [ 306.565857][ T10] fib6_nh_init+0x3d8/0x1580 [ 306.565857][ T10] ip6_route_info_create+0xf18/0x17d0 [ 306.565857][ T10] addrconf_f6i_alloc+0x315/0x560 [ 306.565857][ T10] ipv6_add_addr+0x411/0x2000 [ 306.565857][ T10] inet6_addr_add+0x30e/0xa40 [ 306.565857][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 306.565857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 306.565857][ T10] netlink_rcv_skb+0x130/0x360 [ 306.565857][ T10] netlink_unicast+0x449/0x710 [ 306.565857][ T10] netlink_sendmsg+0x723/0xbe0 [ 306.565857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 306.565857][ T10] ___sys_sendmsg+0xee/0x170 [ 306.565857][ T10] __sys_sendmsg+0xcd/0x170 [ 306.565857][ T10] do_syscall_64+0xc6/0x1e0 [ 306.565857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 306.565857][ T10] [ 306.568102][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 306.568102][ T10] netdev_get_by_index+0x5e/0x80 [ 306.568102][ T10] fib6_nh_init+0x3d8/0x1580 [ 306.568102][ T10] ip6_route_info_create+0xf18/0x17d0 [ 306.568102][ T10] ip6_route_add+0x1c/0x140 [ 306.568102][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 306.568102][ T10] addrconf_add_dev+0xe2/0x170 [ 306.568102][ T10] inet6_addr_add+0x12f/0xa40 [ 306.568102][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 306.568102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 306.568102][ T10] netlink_rcv_skb+0x130/0x360 [ 306.568102][ T10] netlink_unicast+0x449/0x710 [ 306.568102][ T10] netlink_sendmsg+0x723/0xbe0 [ 306.568102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 306.568102][ T10] ___sys_sendmsg+0xee/0x170 [ 306.568102][ T10] __sys_sendmsg+0xcd/0x170 [ 306.568102][ T10] do_syscall_64+0xc6/0x1e0 [ 306.568102][ T10] [ 306.570313][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 306.570313][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 306.570313][ T10] ipv6_find_idev+0x102/0x170 [ 306.570313][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 306.570313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 306.570313][ T10] netlink_rcv_skb+0x130/0x360 [ 306.570313][ T10] netlink_unicast+0x449/0x710 [ 306.570313][ T10] netlink_sendmsg+0x723/0xbe0 [ 306.570313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 306.570313][ T10] ___sys_sendmsg+0xee/0x170 [ 306.570313][ T10] __sys_sendmsg+0xcd/0x170 [ 306.570313][ T10] do_syscall_64+0xc6/0x1e0 [ 306.570313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 306.570313][ T10] [ 306.572047][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 306.572047][ T10] neigh_parms_alloc+0x1e5/0x510 [ 306.572047][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 306.572047][ T10] ipv6_find_idev+0x102/0x170 [ 306.572047][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 306.572047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 306.572047][ T10] netlink_rcv_skb+0x130/0x360 [ 306.572047][ T10] netlink_unicast+0x449/0x710 [ 306.572047][ T10] netlink_sendmsg+0x723/0xbe0 [ 306.572047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 306.572047][ T10] ___sys_sendmsg+0xee/0x170 [ 306.572047][ T10] __sys_sendmsg+0xcd/0x170 [ 306.572047][ T10] do_syscall_64+0xc6/0x1e0 [ 306.572047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 306.572047][ T10] [ 306.573939][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 306.574230][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 306.574230][ T10] netdev_get_by_index+0x5e/0x80 [ 306.574230][ T10] fib6_nh_init+0x3d8/0x1580 [ 306.574230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 306.574230][ T10] addrconf_f6i_alloc+0x265/0x560 [ 306.574230][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 306.574230][ T10] addrconf_join_anycast+0x1c0/0x220 [ 306.574230][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 306.574230][ T10] addrconf_dad_completed+0x12b/0xe20 [ 306.574230][ T10] addrconf_dad_begin+0x310/0x670 [ 306.574230][ T10] addrconf_dad_work+0x10b/0xab0 [ 306.574230][ T10] process_one_work+0x84d/0x18a0 [ 306.574230][ T10] worker_thread+0x587/0xd30 [ 306.574230][ T10] kthread+0x28a/0x350 [ 306.574230][ T10] ret_from_fork+0x31/0x70 [ 306.574230][ T10] ret_from_fork_asm+0x1a/0x30 [ 306.574230][ T10] [ 306.576370][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 306.576370][ T10] netdev_get_by_index+0x5e/0x80 [ 306.576370][ T10] fib6_nh_init+0x3d8/0x1580 [ 306.576370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 306.576370][ T10] ip6_route_add+0x1c/0x140 [ 306.576370][ T10] addrconf_prefix_route+0x2a6/0x430 [ 306.576370][ T10] inet6_addr_add+0x4f8/0xa40 [ 306.576370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 306.576370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 306.576370][ T10] netlink_rcv_skb+0x130/0x360 [ 306.576370][ T10] netlink_unicast+0x449/0x710 [ 306.576370][ T10] netlink_sendmsg+0x723/0xbe0 [ 306.576370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 306.576370][ T10] ___sys_sendmsg+0xee/0x170 [ 306.576370][ T10] __sys_sendmsg+0xcd/0x170 [ 306.576370][ T10] do_syscall_64+0xc6/0x1e0 [ 306.576370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 306.576370][ T10] [ 306.578606][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 306.578606][ T10] netdev_get_by_index+0x5e/0x80 [ 306.578606][ T10] fib6_nh_init+0x3d8/0x1580 [ 306.578606][ T10] ip6_route_info_create+0xf18/0x17d0 [ 306.578606][ T10] addrconf_f6i_alloc+0x315/0x560 [ 306.578606][ T10] ipv6_add_addr+0x411/0x2000 [ 306.578606][ T10] inet6_addr_add+0x30e/0xa40 [ 306.578606][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 306.578606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 306.578606][ T10] netlink_rcv_skb+0x130/0x360 [ 306.578606][ T10] netlink_unicast+0x449/0x710 [ 306.578606][ T10] netlink_sendmsg+0x723/0xbe0 [ 306.578606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 306.578606][ T10] ___sys_sendmsg+0xee/0x170 [ 306.578606][ T10] __sys_sendmsg+0xcd/0x170 [ 306.578606][ T10] do_syscall_64+0xc6/0x1e0 [ 306.578606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 306.578606][ T10] [ 306.580835][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 306.580835][ T10] netdev_get_by_index+0x5e/0x80 [ 306.580835][ T10] fib6_nh_init+0x3d8/0x1580 [ 306.580835][ T10] ip6_route_info_create+0xf18/0x17d0 [ 306.580835][ T10] ip6_route_add+0x1c/0x140 [ 306.580835][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 306.580835][ T10] addrconf_add_dev+0xe2/0x170 [ 306.580835][ T10] inet6_addr_add+0x12f/0xa40 [ 306.580835][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 306.580835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 306.580835][ T10] netlink_rcv_skb+0x130/0x360 [ 306.580835][ T10] netlink_unicast+0x449/0x710 [ 306.580835][ T10] netlink_sendmsg+0x723/0xbe0 [ 306.580835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 306.580835][ T10] ___sys_sendmsg+0xee/0x170 [ 306.580835][ T10] __sys_sendmsg+0xcd/0x170 [ 306.580835][ T10] do_syscall_64+0xc6/0x1e0 [ 306.580835][ T10] [ 306.583027][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 306.583027][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 306.583027][ T10] ipv6_find_idev+0x102/0x170 [ 306.583027][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 306.583027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 306.583027][ T10] netlink_rcv_skb+0x130/0x360 [ 306.583027][ T10] netlink_unicast+0x449/0x710 [ 306.583027][ T10] netlink_sendmsg+0x723/0xbe0 [ 306.583027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 306.583027][ T10] ___sys_sendmsg+0xee/0x170 [ 306.583027][ T10] __sys_sendmsg+0xcd/0x170 [ 306.583027][ T10] do_syscall_64+0xc6/0x1e0 [ 306.583027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 306.583027][ T10] [ 306.584756][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 306.584756][ T10] neigh_parms_alloc+0x1e5/0x510 [ 306.584756][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 306.584756][ T10] ipv6_find_idev+0x102/0x170 [ 306.584756][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 306.584756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 306.584756][ T10] netlink_rcv_skb+0x130/0x360 [ 306.584756][ T10] netlink_unicast+0x449/0x710 [ 306.584756][ T10] netlink_sendmsg+0x723/0xbe0 [ 306.584756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 306.584756][ T10] ___sys_sendmsg+0xee/0x170 [ 306.584756][ T10] __sys_sendmsg+0xcd/0x170 [ 306.584756][ T10] do_syscall_64+0xc6/0x1e0 [ 306.584756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 306.584756][ T10] [ 306.586695][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 306.586973][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 306.586973][ T10] netdev_get_by_index+0x5e/0x80 [ 306.586973][ T10] fib6_nh_init+0x3d8/0x1580 [ 306.586973][ T10] ip6_route_info_create+0xf18/0x17d0 [ 306.586973][ T10] addrconf_f6i_alloc+0x265/0x560 [ 306.586973][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 306.586973][ T10] addrconf_join_anycast+0x1c0/0x220 [ 306.586973][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 306.586973][ T10] addrconf_dad_completed+0x12b/0xe20 [ 306.586973][ T10] addrconf_dad_begin+0x310/0x670 [ 306.586973][ T10] addrconf_dad_work+0x10b/0xab0 [ 306.586973][ T10] process_one_work+0x84d/0x18a0 [ 306.586973][ T10] worker_thread+0x587/0xd30 [ 306.586973][ T10] kthread+0x28a/0x350 [ 306.586973][ T10] ret_from_fork+0x31/0x70 [ 306.586973][ T10] ret_from_fork_asm+0x1a/0x30 [ 306.586973][ T10] [ 306.589220][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 306.589220][ T10] netdev_get_by_index+0x5e/0x80 [ 306.589220][ T10] fib6_nh_init+0x3d8/0x1580 [ 306.589220][ T10] ip6_route_info_create+0xf18/0x17d0 [ 306.589220][ T10] ip6_route_add+0x1c/0x140 [ 306.589220][ T10] addrconf_prefix_route+0x2a6/0x430 [ 306.589220][ T10] inet6_addr_add+0x4f8/0xa40 [ 306.589220][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 306.589220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 306.589220][ T10] netlink_rcv_skb+0x130/0x360 [ 306.589220][ T10] netlink_unicast+0x449/0x710 [ 306.589220][ T10] netlink_sendmsg+0x723/0xbe0 [ 306.589220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 306.589220][ T10] ___sys_sendmsg+0xee/0x170 [ 306.589220][ T10] __sys_sendmsg+0xcd/0x170 [ 306.589220][ T10] do_syscall_64+0xc6/0x1e0 [ 306.589220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 306.589220][ T10] [ 306.591590][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 306.591590][ T10] netdev_get_by_index+0x5e/0x80 [ 306.591590][ T10] fib6_nh_init+0x3d8/0x1580 [ 306.591590][ T10] ip6_route_info_create+0xf18/0x17d0 [ 306.591590][ T10] addrconf_f6i_alloc+0x315/0x560 [ 306.591590][ T10] ipv6_add_addr+0x411/0x2000 [ 306.591590][ T10] inet6_addr_add+0x30e/0xa40 [ 306.591590][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 306.591590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 306.591590][ T10] netlink_rcv_skb+0x130/0x360 [ 306.591590][ T10] netlink_unicast+0x449/0x710 [ 306.591590][ T10] netlink_sendmsg+0x723/0xbe0 [ 306.591590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 306.591590][ T10] ___sys_sendmsg+0xee/0x170 [ 306.591590][ T10] __sys_sendmsg+0xcd/0x170 [ 306.591590][ T10] do_syscall_64+0xc6/0x1e0 [ 306.591590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 306.591590][ T10] [ 306.594032][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 306.594032][ T10] netdev_get_by_index+0x5e/0x80 [ 306.594032][ T10] fib6_nh_init+0x3d8/0x1580 [ 306.594032][ T10] ip6_route_info_create+0xf18/0x17d0 [ 306.594032][ T10] ip6_route_add+0x1c/0x140 [ 306.594032][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 306.594032][ T10] addrconf_add_dev+0xe2/0x170 [ 306.594032][ T10] inet6_addr_add+0x12f/0xa40 [ 306.594032][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 306.594032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 306.594032][ T10] netlink_rcv_skb+0x130/0x360 [ 306.594032][ T10] netlink_unicast+0x449/0x710 [ 306.594032][ T10] netlink_sendmsg+0x723/0xbe0 [ 306.594032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 306.594032][ T10] ___sys_sendmsg+0xee/0x170 [ 306.594032][ T10] __sys_sendmsg+0xcd/0x170 [ 306.594032][ T10] do_syscall_64+0xc6/0x1e0 [ 306.594032][ T10] [ 306.596327][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 306.596327][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 306.596327][ T10] ipv6_find_idev+0x102/0x170 [ 306.596327][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 306.596327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 306.596327][ T10] netlink_rcv_skb+0x130/0x360 [ 306.596327][ T10] netlink_unicast+0x449/0x710 [ 306.596327][ T10] netlink_sendmsg+0x723/0xbe0 [ 306.596327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 306.596327][ T10] ___sys_sendmsg+0xee/0x170 [ 306.596327][ T10] __sys_sendmsg+0xcd/0x170 [ 306.596327][ T10] do_syscall_64+0xc6/0x1e0 [ 306.596327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 306.596327][ T10] [ 306.598151][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 306.598151][ T10] neigh_parms_alloc+0x1e5/0x510 [ 306.598151][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 306.598151][ T10] ipv6_find_idev+0x102/0x170 [ 306.598151][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 306.598151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 306.598151][ T10] netlink_rcv_skb+0x130/0x360 [ 306.598151][ T10] netlink_unicast+0x449/0x710 [ 306.598151][ T10] netlink_sendmsg+0x723/0xbe0 [ 306.598151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 306.598151][ T10] ___sys_sendmsg+0xee/0x170 [ 306.598151][ T10] __sys_sendmsg+0xcd/0x170 [ 306.598151][ T10] do_syscall_64+0xc6/0x1e0 [ 306.598151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 306.598151][ T10] [ 306.600257][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 306.600533][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 306.600533][ T10] netdev_get_by_index+0x5e/0x80 [ 306.600533][ T10] fib6_nh_init+0x3d8/0x1580 [ 306.600533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 306.600533][ T10] addrconf_f6i_alloc+0x265/0x560 [ 306.600533][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 306.600533][ T10] addrconf_join_anycast+0x1c0/0x220 [ 306.600533][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 306.600533][ T10] addrconf_dad_completed+0x12b/0xe20 [ 306.600533][ T10] addrconf_dad_begin+0x310/0x670 [ 306.600533][ T10] addrconf_dad_work+0x10b/0xab0 [ 306.600533][ T10] process_one_work+0x84d/0x18a0 [ 306.600533][ T10] worker_thread+0x587/0xd30 [ 306.600533][ T10] kthread+0x28a/0x350 [ 306.600533][ T10] ret_from_fork+0x31/0x70 [ 306.600533][ T10] ret_from_fork_asm+0x1a/0x30 [ 306.600533][ T10] [ 306.602802][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 306.602802][ T10] netdev_get_by_index+0x5e/0x80 [ 306.602802][ T10] fib6_nh_init+0x3d8/0x1580 [ 306.602802][ T10] ip6_route_info_create+0xf18/0x17d0 [ 306.602802][ T10] ip6_route_add+0x1c/0x140 [ 306.602802][ T10] addrconf_prefix_route+0x2a6/0x430 [ 306.602802][ T10] inet6_addr_add+0x4f8/0xa40 [ 306.602802][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 306.602802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 306.602802][ T10] netlink_rcv_skb+0x130/0x360 [ 306.602802][ T10] netlink_unicast+0x449/0x710 [ 306.602802][ T10] netlink_sendmsg+0x723/0xbe0 [ 306.602802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 306.602802][ T10] ___sys_sendmsg+0xee/0x170 [ 306.602802][ T10] __sys_sendmsg+0xcd/0x170 [ 306.602802][ T10] do_syscall_64+0xc6/0x1e0 [ 306.602802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 306.602802][ T10] [ 306.605126][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 306.605126][ T10] netdev_get_by_index+0x5e/0x80 [ 306.605126][ T10] fib6_nh_init+0x3d8/0x1580 [ 306.605126][ T10] ip6_route_info_create+0xf18/0x17d0 [ 306.605126][ T10] addrconf_f6i_alloc+0x315/0x560 [ 306.605126][ T10] ipv6_add_addr+0x411/0x2000 [ 306.605126][ T10] inet6_addr_add+0x30e/0xa40 [ 306.605126][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 306.605126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 306.605126][ T10] netlink_rcv_skb+0x130/0x360 [ 306.605126][ T10] netlink_unicast+0x449/0x710 [ 306.605126][ T10] netlink_sendmsg+0x723/0xbe0 [ 306.605126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 306.605126][ T10] ___sys_sendmsg+0xee/0x170 [ 306.605126][ T10] __sys_sendmsg+0xcd/0x170 [ 306.605126][ T10] do_syscall_64+0xc6/0x1e0 [ 306.605126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 306.605126][ T10] [ 306.607510][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 306.607510][ T10] netdev_get_by_index+0x5e/0x80 [ 306.607510][ T10] fib6_nh_init+0x3d8/0x1580 [ 306.607510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 306.607510][ T10] ip6_route_add+0x1c/0x140 [ 306.607510][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 306.607510][ T10] addrconf_add_dev+0xe2/0x170 [ 306.607510][ T10] inet6_addr_add+0x12f/0xa40 [ 306.607510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 306.607510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 306.607510][ T10] netlink_rcv_skb+0x130/0x360 [ 306.607510][ T10] netlink_unicast+0x449/0x710 [ 306.607510][ T10] netlink_sendmsg+0x723/0xbe0 [ 306.607510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 306.607510][ T10] ___sys_sendmsg+0xee/0x170 [ 306.607510][ T10] __sys_sendmsg+0xcd/0x170 [ 306.607510][ T10] do_syscall_64+0xc6/0x1e0 [ 306.607510][ T10] [ 306.609773][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 306.609773][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 306.609773][ T10] ipv6_find_idev+0x102/0x170 [ 306.609773][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 306.609773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 306.609773][ T10] netlink_rcv_skb+0x130/0x360 [ 306.609773][ T10] netlink_unicast+0x449/0x710 [ 306.609773][ T10] netlink_sendmsg+0x723/0xbe0 [ 306.609773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 306.609773][ T10] ___sys_sendmsg+0xee/0x170 [ 306.609773][ T10] __sys_sendmsg+0xcd/0x170 [ 306.609773][ T10] do_syscall_64+0xc6/0x1e0 [ 306.609773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 306.609773][ T10] [ 306.611564][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 306.611564][ T10] neigh_parms_alloc+0x1e5/0x510 [ 306.611564][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 306.611564][ T10] ipv6_find_idev+0x102/0x170 [ 306.611564][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 306.611564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 306.611564][ T10] netlink_rcv_skb+0x130/0x360 [ 306.611564][ T10] netlink_unicast+0x449/0x710 [ 306.611564][ T10] netlink_sendmsg+0x723/0xbe0 [ 306.611564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 306.611564][ T10] ___sys_sendmsg+0xee/0x170 [ 306.611564][ T10] __sys_sendmsg+0xcd/0x170 [ 306.611564][ T10] do_syscall_64+0xc6/0x1e0 [ 306.611564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 306.611564][ T10] [ 310.217147][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 310.217637][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 310.217637][ T1167] dst_init+0x84/0x4a0 [ 310.217637][ T1167] dst_alloc+0x97/0x150 [ 310.217637][ T1167] ip6_dst_alloc+0x23/0x90 [ 310.217637][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 310.217637][ T1167] ip6_pol_route+0x56f/0x840 [ 310.217637][ T1167] fib6_rule_lookup+0x334/0x630 [ 310.217637][ T1167] ip6_route_output_flags+0x259/0x480 [ 310.217637][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 310.217637][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 310.217637][ T1167] netlink_rcv_skb+0x130/0x360 [ 310.217637][ T1167] netlink_unicast+0x449/0x710 [ 310.217637][ T1167] netlink_sendmsg+0x723/0xbe0 [ 310.217637][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 310.217637][ T1167] ___sys_sendmsg+0xee/0x170 [ 310.217637][ T1167] __sys_sendmsg+0xcd/0x170 [ 310.217637][ T1167] do_syscall_64+0xc6/0x1e0 [ 310.217637][ T1167] [ 310.220000][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 310.220000][ T1167] netdev_get_by_index+0x5e/0x80 [ 310.220000][ T1167] fib6_nh_init+0x3d8/0x1580 [ 310.220000][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 310.220000][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 310.220000][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 310.220000][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 310.220000][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 310.220000][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 310.220000][ T1167] addrconf_dad_begin+0x310/0x670 [ 310.220000][ T1167] addrconf_dad_work+0x10b/0xab0 [ 310.220000][ T1167] process_one_work+0x84d/0x18a0 [ 310.220000][ T1167] worker_thread+0x587/0xd30 [ 310.220000][ T1167] kthread+0x28a/0x350 [ 310.220000][ T1167] ret_from_fork+0x31/0x70 [ 310.220000][ T1167] ret_from_fork_asm+0x1a/0x30 [ 310.220000][ T1167] [ 310.222578][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 310.222578][ T1167] netdev_get_by_index+0x5e/0x80 [ 310.222578][ T1167] fib6_nh_init+0x3d8/0x1580 [ 310.222578][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 310.222578][ T1167] ip6_route_add+0x1c/0x140 [ 310.222578][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 310.222578][ T1167] inet6_addr_add+0x4f8/0xa40 [ 310.222578][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 310.222578][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.222578][ T1167] netlink_rcv_skb+0x130/0x360 [ 310.222578][ T1167] netlink_unicast+0x449/0x710 [ 310.222578][ T1167] netlink_sendmsg+0x723/0xbe0 [ 310.222578][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 310.222578][ T1167] ___sys_sendmsg+0xee/0x170 [ 310.222578][ T1167] __sys_sendmsg+0xcd/0x170 [ 310.222578][ T1167] do_syscall_64+0xc6/0x1e0 [ 310.222578][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.222578][ T1167] [ 310.225044][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 310.225044][ T1167] netdev_get_by_index+0x5e/0x80 [ 310.225044][ T1167] fib6_nh_init+0x3d8/0x1580 [ 310.225044][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 310.225044][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 310.225044][ T1167] ipv6_add_addr+0x411/0x2000 [ 310.225044][ T1167] inet6_addr_add+0x30e/0xa40 [ 310.225044][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 310.225044][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.225044][ T1167] netlink_rcv_skb+0x130/0x360 [ 310.225044][ T1167] netlink_unicast+0x449/0x710 [ 310.225044][ T1167] netlink_sendmsg+0x723/0xbe0 [ 310.225044][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 310.225044][ T1167] ___sys_sendmsg+0xee/0x170 [ 310.225044][ T1167] __sys_sendmsg+0xcd/0x170 [ 310.225044][ T1167] do_syscall_64+0xc6/0x1e0 [ 310.225044][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.225044][ T1167] [ 310.227383][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 310.227383][ T1167] netdev_get_by_index+0x5e/0x80 [ 310.227383][ T1167] fib6_nh_init+0x3d8/0x1580 [ 310.227383][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 310.227383][ T1167] ip6_route_add+0x1c/0x140 [ 310.227383][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 310.227383][ T1167] addrconf_add_dev+0xe2/0x170 [ 310.227383][ T1167] inet6_addr_add+0x12f/0xa40 [ 310.227383][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 310.227383][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.227383][ T1167] netlink_rcv_skb+0x130/0x360 [ 310.227383][ T1167] netlink_unicast+0x449/0x710 [ 310.227383][ T1167] netlink_sendmsg+0x723/0xbe0 [ 310.227383][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 310.227383][ T1167] ___sys_sendmsg+0xee/0x170 [ 310.227383][ T1167] __sys_sendmsg+0xcd/0x170 [ 310.227383][ T1167] do_syscall_64+0xc6/0x1e0 [ 310.227383][ T1167] [ 310.229832][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 310.229832][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 310.229832][ T1167] ipv6_find_idev+0x102/0x170 [ 310.229832][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 310.229832][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.229832][ T1167] netlink_rcv_skb+0x130/0x360 [ 310.229832][ T1167] netlink_unicast+0x449/0x710 [ 310.229832][ T1167] netlink_sendmsg+0x723/0xbe0 [ 310.229832][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 310.229832][ T1167] ___sys_sendmsg+0xee/0x170 [ 310.229832][ T1167] __sys_sendmsg+0xcd/0x170 [ 310.229832][ T1167] do_syscall_64+0xc6/0x1e0 [ 310.229832][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.229832][ T1167] [ 310.231739][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 310.231739][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 310.231739][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 310.231739][ T1167] ipv6_find_idev+0x102/0x170 [ 310.231739][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 310.231739][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.231739][ T1167] netlink_rcv_skb+0x130/0x360 [ 310.231739][ T1167] netlink_unicast+0x449/0x710 [ 310.231739][ T1167] netlink_sendmsg+0x723/0xbe0 [ 310.231739][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 310.231739][ T1167] ___sys_sendmsg+0xee/0x170 [ 310.231739][ T1167] __sys_sendmsg+0xcd/0x170 [ 310.231739][ T1167] do_syscall_64+0xc6/0x1e0 [ 310.231739][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.231739][ T1167] [ 316.617092][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 316.617549][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 316.617549][ T10] netdev_get_by_index+0x5e/0x80 [ 316.617549][ T10] fib6_nh_init+0x3d8/0x1580 [ 316.617549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 316.617549][ T10] addrconf_f6i_alloc+0x265/0x560 [ 316.617549][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 316.617549][ T10] addrconf_join_anycast+0x1c0/0x220 [ 316.617549][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 316.617549][ T10] addrconf_dad_completed+0x12b/0xe20 [ 316.617549][ T10] addrconf_dad_begin+0x310/0x670 [ 316.617549][ T10] addrconf_dad_work+0x10b/0xab0 [ 316.617549][ T10] process_one_work+0x84d/0x18a0 [ 316.617549][ T10] worker_thread+0x587/0xd30 [ 316.617549][ T10] kthread+0x28a/0x350 [ 316.617549][ T10] ret_from_fork+0x31/0x70 [ 316.617549][ T10] ret_from_fork_asm+0x1a/0x30 [ 316.617549][ T10] [ 316.620023][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 316.620023][ T10] netdev_get_by_index+0x5e/0x80 [ 316.620023][ T10] fib6_nh_init+0x3d8/0x1580 [ 316.620023][ T10] ip6_route_info_create+0xf18/0x17d0 [ 316.620023][ T10] ip6_route_add+0x1c/0x140 [ 316.620023][ T10] addrconf_prefix_route+0x2a6/0x430 [ 316.620023][ T10] inet6_addr_add+0x4f8/0xa40 [ 316.620023][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 316.620023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 316.620023][ T10] netlink_rcv_skb+0x130/0x360 [ 316.620023][ T10] netlink_unicast+0x449/0x710 [ 316.620023][ T10] netlink_sendmsg+0x723/0xbe0 [ 316.620023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 316.620023][ T10] ___sys_sendmsg+0xee/0x170 [ 316.620023][ T10] __sys_sendmsg+0xcd/0x170 [ 316.620023][ T10] do_syscall_64+0xc6/0x1e0 [ 316.620023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 316.620023][ T10] [ 316.622505][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 316.622505][ T10] netdev_get_by_index+0x5e/0x80 [ 316.622505][ T10] fib6_nh_init+0x3d8/0x1580 [ 316.622505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 316.622505][ T10] addrconf_f6i_alloc+0x315/0x560 [ 316.622505][ T10] ipv6_add_addr+0x411/0x2000 [ 316.622505][ T10] inet6_addr_add+0x30e/0xa40 [ 316.622505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 316.622505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 316.622505][ T10] netlink_rcv_skb+0x130/0x360 [ 316.622505][ T10] netlink_unicast+0x449/0x710 [ 316.622505][ T10] netlink_sendmsg+0x723/0xbe0 [ 316.622505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 316.622505][ T10] ___sys_sendmsg+0xee/0x170 [ 316.622505][ T10] __sys_sendmsg+0xcd/0x170 [ 316.622505][ T10] do_syscall_64+0xc6/0x1e0 [ 316.622505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 316.622505][ T10] [ 316.624898][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 316.624898][ T10] netdev_get_by_index+0x5e/0x80 [ 316.624898][ T10] fib6_nh_init+0x3d8/0x1580 [ 316.624898][ T10] ip6_route_info_create+0xf18/0x17d0 [ 316.624898][ T10] ip6_route_add+0x1c/0x140 [ 316.624898][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 316.624898][ T10] addrconf_add_dev+0xe2/0x170 [ 316.624898][ T10] inet6_addr_add+0x12f/0xa40 [ 316.624898][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 316.624898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 316.624898][ T10] netlink_rcv_skb+0x130/0x360 [ 316.624898][ T10] netlink_unicast+0x449/0x710 [ 316.624898][ T10] netlink_sendmsg+0x723/0xbe0 [ 316.624898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 316.624898][ T10] ___sys_sendmsg+0xee/0x170 [ 316.624898][ T10] __sys_sendmsg+0xcd/0x170 [ 316.624898][ T10] do_syscall_64+0xc6/0x1e0 [ 316.624898][ T10] [ 316.627359][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 316.627359][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 316.627359][ T10] ipv6_find_idev+0x102/0x170 [ 316.627359][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 316.627359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 316.627359][ T10] netlink_rcv_skb+0x130/0x360 [ 316.627359][ T10] netlink_unicast+0x449/0x710 [ 316.627359][ T10] netlink_sendmsg+0x723/0xbe0 [ 316.627359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 316.627359][ T10] ___sys_sendmsg+0xee/0x170 [ 316.627359][ T10] __sys_sendmsg+0xcd/0x170 [ 316.627359][ T10] do_syscall_64+0xc6/0x1e0 [ 316.627359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 316.627359][ T10] [ 316.629190][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 316.629190][ T10] neigh_parms_alloc+0x1e5/0x510 [ 316.629190][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 316.629190][ T10] ipv6_find_idev+0x102/0x170 [ 316.629190][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 316.629190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 316.629190][ T10] netlink_rcv_skb+0x130/0x360 [ 316.629190][ T10] netlink_unicast+0x449/0x710 [ 316.629190][ T10] netlink_sendmsg+0x723/0xbe0 [ 316.629190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 316.629190][ T10] ___sys_sendmsg+0xee/0x170 [ 316.629190][ T10] __sys_sendmsg+0xcd/0x170 [ 316.629190][ T10] do_syscall_64+0xc6/0x1e0 [ 316.629190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 316.629190][ T10] [ 316.631220][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 316.631516][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 316.631516][ T10] netdev_get_by_index+0x5e/0x80 [ 316.631516][ T10] fib6_nh_init+0x3d8/0x1580 [ 316.631516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 316.631516][ T10] addrconf_f6i_alloc+0x265/0x560 [ 316.631516][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 316.631516][ T10] addrconf_join_anycast+0x1c0/0x220 [ 316.631516][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 316.631516][ T10] addrconf_dad_completed+0x12b/0xe20 [ 316.631516][ T10] addrconf_dad_begin+0x310/0x670 [ 316.631516][ T10] addrconf_dad_work+0x10b/0xab0 [ 316.631516][ T10] process_one_work+0x84d/0x18a0 [ 316.631516][ T10] worker_thread+0x587/0xd30 [ 316.631516][ T10] kthread+0x28a/0x350 [ 316.631516][ T10] ret_from_fork+0x31/0x70 [ 316.631516][ T10] ret_from_fork_asm+0x1a/0x30 [ 316.631516][ T10] [ 316.633720][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 316.633720][ T10] netdev_get_by_index+0x5e/0x80 [ 316.633720][ T10] fib6_nh_init+0x3d8/0x1580 [ 316.633720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 316.633720][ T10] ip6_route_add+0x1c/0x140 [ 316.633720][ T10] addrconf_prefix_route+0x2a6/0x430 [ 316.633720][ T10] inet6_addr_add+0x4f8/0xa40 [ 316.633720][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 316.633720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 316.633720][ T10] netlink_rcv_skb+0x130/0x360 [ 316.633720][ T10] netlink_unicast+0x449/0x710 [ 316.633720][ T10] netlink_sendmsg+0x723/0xbe0 [ 316.633720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 316.633720][ T10] ___sys_sendmsg+0xee/0x170 [ 316.633720][ T10] __sys_sendmsg+0xcd/0x170 [ 316.633720][ T10] do_syscall_64+0xc6/0x1e0 [ 316.633720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 316.633720][ T10] [ 316.636002][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 316.636002][ T10] netdev_get_by_index+0x5e/0x80 [ 316.636002][ T10] fib6_nh_init+0x3d8/0x1580 [ 316.636002][ T10] ip6_route_info_create+0xf18/0x17d0 [ 316.636002][ T10] addrconf_f6i_alloc+0x315/0x560 [ 316.636002][ T10] ipv6_add_addr+0x411/0x2000 [ 316.636002][ T10] inet6_addr_add+0x30e/0xa40 [ 316.636002][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 316.636002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 316.636002][ T10] netlink_rcv_skb+0x130/0x360 [ 316.636002][ T10] netlink_unicast+0x449/0x710 [ 316.636002][ T10] netlink_sendmsg+0x723/0xbe0 [ 316.636002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 316.636002][ T10] ___sys_sendmsg+0xee/0x170 [ 316.636002][ T10] __sys_sendmsg+0xcd/0x170 [ 316.636002][ T10] do_syscall_64+0xc6/0x1e0 [ 316.636002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 316.636002][ T10] [ 316.638438][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 316.638438][ T10] netdev_get_by_index+0x5e/0x80 [ 316.638438][ T10] fib6_nh_init+0x3d8/0x1580 [ 316.638438][ T10] ip6_route_info_create+0xf18/0x17d0 [ 316.638438][ T10] ip6_route_add+0x1c/0x140 [ 316.638438][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 316.638438][ T10] addrconf_add_dev+0xe2/0x170 [ 316.638438][ T10] inet6_addr_add+0x12f/0xa40 [ 316.638438][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 316.638438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 316.638438][ T10] netlink_rcv_skb+0x130/0x360 [ 316.638438][ T10] netlink_unicast+0x449/0x710 [ 316.638438][ T10] netlink_sendmsg+0x723/0xbe0 [ 316.638438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 316.638438][ T10] ___sys_sendmsg+0xee/0x170 [ 316.638438][ T10] __sys_sendmsg+0xcd/0x170 [ 316.638438][ T10] do_syscall_64+0xc6/0x1e0 [ 316.638438][ T10] [ 316.640769][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 316.640769][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 316.640769][ T10] ipv6_find_idev+0x102/0x170 [ 316.640769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 316.640769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 316.640769][ T10] netlink_rcv_skb+0x130/0x360 [ 316.640769][ T10] netlink_unicast+0x449/0x710 [ 316.640769][ T10] netlink_sendmsg+0x723/0xbe0 [ 316.640769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 316.640769][ T10] ___sys_sendmsg+0xee/0x170 [ 316.640769][ T10] __sys_sendmsg+0xcd/0x170 [ 316.640769][ T10] do_syscall_64+0xc6/0x1e0 [ 316.640769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 316.640769][ T10] [ 316.642618][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 316.642618][ T10] neigh_parms_alloc+0x1e5/0x510 [ 316.642618][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 316.642618][ T10] ipv6_find_idev+0x102/0x170 [ 316.642618][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 316.642618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 316.642618][ T10] netlink_rcv_skb+0x130/0x360 [ 316.642618][ T10] netlink_unicast+0x449/0x710 [ 316.642618][ T10] netlink_sendmsg+0x723/0xbe0 [ 316.642618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 316.642618][ T10] ___sys_sendmsg+0xee/0x170 [ 316.642618][ T10] __sys_sendmsg+0xcd/0x170 [ 316.642618][ T10] do_syscall_64+0xc6/0x1e0 [ 316.642618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 316.642618][ T10] [ 316.644858][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 316.645204][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 316.645204][ T10] netdev_get_by_index+0x5e/0x80 [ 316.645204][ T10] fib6_nh_init+0x3d8/0x1580 [ 316.645204][ T10] ip6_route_info_create+0xf18/0x17d0 [ 316.645204][ T10] addrconf_f6i_alloc+0x265/0x560 [ 316.645204][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 316.645204][ T10] addrconf_join_anycast+0x1c0/0x220 [ 316.645204][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 316.645204][ T10] addrconf_dad_completed+0x12b/0xe20 [ 316.645204][ T10] addrconf_dad_begin+0x310/0x670 [ 316.645204][ T10] addrconf_dad_work+0x10b/0xab0 [ 316.645204][ T10] process_one_work+0x84d/0x18a0 [ 316.645204][ T10] worker_thread+0x587/0xd30 [ 316.645204][ T10] kthread+0x28a/0x350 [ 316.645204][ T10] ret_from_fork+0x31/0x70 [ 316.645204][ T10] ret_from_fork_asm+0x1a/0x30 [ 316.645204][ T10] [ 316.647728][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 316.647728][ T10] netdev_get_by_index+0x5e/0x80 [ 316.647728][ T10] fib6_nh_init+0x3d8/0x1580 [ 316.647728][ T10] ip6_route_info_create+0xf18/0x17d0 [ 316.647728][ T10] ip6_route_add+0x1c/0x140 [ 316.647728][ T10] addrconf_prefix_route+0x2a6/0x430 [ 316.647728][ T10] inet6_addr_add+0x4f8/0xa40 [ 316.647728][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 316.647728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 316.647728][ T10] netlink_rcv_skb+0x130/0x360 [ 316.647728][ T10] netlink_unicast+0x449/0x710 [ 316.647728][ T10] netlink_sendmsg+0x723/0xbe0 [ 316.647728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 316.647728][ T10] ___sys_sendmsg+0xee/0x170 [ 316.647728][ T10] __sys_sendmsg+0xcd/0x170 [ 316.647728][ T10] do_syscall_64+0xc6/0x1e0 [ 316.647728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 316.647728][ T10] [ 316.650566][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 316.650566][ T10] netdev_get_by_index+0x5e/0x80 [ 316.650566][ T10] fib6_nh_init+0x3d8/0x1580 [ 316.650566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 316.650566][ T10] addrconf_f6i_alloc+0x315/0x560 [ 316.650566][ T10] ipv6_add_addr+0x411/0x2000 [ 316.650566][ T10] inet6_addr_add+0x30e/0xa40 [ 316.650566][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 316.650566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 316.650566][ T10] netlink_rcv_skb+0x130/0x360 [ 316.650566][ T10] netlink_unicast+0x449/0x710 [ 316.650566][ T10] netlink_sendmsg+0x723/0xbe0 [ 316.650566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 316.650566][ T10] ___sys_sendmsg+0xee/0x170 [ 316.650566][ T10] __sys_sendmsg+0xcd/0x170 [ 316.650566][ T10] do_syscall_64+0xc6/0x1e0 [ 316.650566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 316.650566][ T10] [ 316.653097][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 316.653097][ T10] netdev_get_by_index+0x5e/0x80 [ 316.653097][ T10] fib6_nh_init+0x3d8/0x1580 [ 316.653097][ T10] ip6_route_info_create+0xf18/0x17d0 [ 316.653097][ T10] ip6_route_add+0x1c/0x140 [ 316.653097][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 316.653097][ T10] addrconf_add_dev+0xe2/0x170 [ 316.653097][ T10] inet6_addr_add+0x12f/0xa40 [ 316.653097][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 316.653097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 316.653097][ T10] netlink_rcv_skb+0x130/0x360 [ 316.653097][ T10] netlink_unicast+0x449/0x710 [ 316.653097][ T10] netlink_sendmsg+0x723/0xbe0 [ 316.653097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 316.653097][ T10] ___sys_sendmsg+0xee/0x170 [ 316.653097][ T10] __sys_sendmsg+0xcd/0x170 [ 316.653097][ T10] do_syscall_64+0xc6/0x1e0 [ 316.653097][ T10] [ 316.655699][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 316.655699][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 316.655699][ T10] ipv6_find_idev+0x102/0x170 [ 316.655699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 316.655699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 316.655699][ T10] netlink_rcv_skb+0x130/0x360 [ 316.655699][ T10] netlink_unicast+0x449/0x710 [ 316.655699][ T10] netlink_sendmsg+0x723/0xbe0 [ 316.655699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 316.655699][ T10] ___sys_sendmsg+0xee/0x170 [ 316.655699][ T10] __sys_sendmsg+0xcd/0x170 [ 316.655699][ T10] do_syscall_64+0xc6/0x1e0 [ 316.655699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 316.655699][ T10] [ 316.657671][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 316.657671][ T10] neigh_parms_alloc+0x1e5/0x510 [ 316.657671][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 316.657671][ T10] ipv6_find_idev+0x102/0x170 [ 316.657671][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 316.657671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 316.657671][ T10] netlink_rcv_skb+0x130/0x360 [ 316.657671][ T10] netlink_unicast+0x449/0x710 [ 316.657671][ T10] netlink_sendmsg+0x723/0xbe0 [ 316.657671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 316.657671][ T10] ___sys_sendmsg+0xee/0x170 [ 316.657671][ T10] __sys_sendmsg+0xcd/0x170 [ 316.657671][ T10] do_syscall_64+0xc6/0x1e0 [ 316.657671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 316.657671][ T10] [ 316.659885][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 316.660731][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 316.660731][ T10] netdev_get_by_index+0x5e/0x80 [ 316.660731][ T10] fib6_nh_init+0x3d8/0x1580 [ 316.660731][ T10] ip6_route_info_create+0xf18/0x17d0 [ 316.660731][ T10] addrconf_f6i_alloc+0x265/0x560 [ 316.660731][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 316.660731][ T10] addrconf_join_anycast+0x1c0/0x220 [ 316.660731][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 316.660731][ T10] addrconf_dad_completed+0x12b/0xe20 [ 316.660731][ T10] addrconf_dad_begin+0x310/0x670 [ 316.660731][ T10] addrconf_dad_work+0x10b/0xab0 [ 316.660731][ T10] process_one_work+0x84d/0x18a0 [ 316.660731][ T10] worker_thread+0x587/0xd30 [ 316.660731][ T10] kthread+0x28a/0x350 [ 316.660731][ T10] ret_from_fork+0x31/0x70 [ 316.660731][ T10] ret_from_fork_asm+0x1a/0x30 [ 316.660731][ T10] [ 316.663006][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 316.663006][ T10] netdev_get_by_index+0x5e/0x80 [ 316.663006][ T10] fib6_nh_init+0x3d8/0x1580 [ 316.663006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 316.663006][ T10] ip6_route_add+0x1c/0x140 [ 316.663006][ T10] addrconf_prefix_route+0x2a6/0x430 [ 316.663006][ T10] inet6_addr_add+0x4f8/0xa40 [ 316.663006][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 316.663006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 316.663006][ T10] netlink_rcv_skb+0x130/0x360 [ 316.663006][ T10] netlink_unicast+0x449/0x710 [ 316.663006][ T10] netlink_sendmsg+0x723/0xbe0 [ 316.663006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 316.663006][ T10] ___sys_sendmsg+0xee/0x170 [ 316.663006][ T10] __sys_sendmsg+0xcd/0x170 [ 316.663006][ T10] do_syscall_64+0xc6/0x1e0 [ 316.663006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 316.663006][ T10] [ 316.665482][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 316.665482][ T10] netdev_get_by_index+0x5e/0x80 [ 316.665482][ T10] fib6_nh_init+0x3d8/0x1580 [ 316.665482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 316.665482][ T10] addrconf_f6i_alloc+0x315/0x560 [ 316.665482][ T10] ipv6_add_addr+0x411/0x2000 [ 316.665482][ T10] inet6_addr_add+0x30e/0xa40 [ 316.665482][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 316.665482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 316.665482][ T10] netlink_rcv_skb+0x130/0x360 [ 316.665482][ T10] netlink_unicast+0x449/0x710 [ 316.665482][ T10] netlink_sendmsg+0x723/0xbe0 [ 316.665482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 316.665482][ T10] ___sys_sendmsg+0xee/0x170 [ 316.665482][ T10] __sys_sendmsg+0xcd/0x170 [ 316.665482][ T10] do_syscall_64+0xc6/0x1e0 [ 316.665482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 316.665482][ T10] [ 316.668097][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 316.668097][ T10] netdev_get_by_index+0x5e/0x80 [ 316.668097][ T10] fib6_nh_init+0x3d8/0x1580 [ 316.668097][ T10] ip6_route_info_create+0xf18/0x17d0 [ 316.668097][ T10] ip6_route_add+0x1c/0x140 [ 316.668097][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 316.668097][ T10] addrconf_add_dev+0xe2/0x170 [ 316.668097][ T10] inet6_addr_add+0x12f/0xa40 [ 316.668097][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 316.668097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 316.668097][ T10] netlink_rcv_skb+0x130/0x360 [ 316.668097][ T10] netlink_unicast+0x449/0x710 [ 316.668097][ T10] netlink_sendmsg+0x723/0xbe0 [ 316.668097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 316.668097][ T10] ___sys_sendmsg+0xee/0x170 [ 316.668097][ T10] __sys_sendmsg+0xcd/0x170 [ 316.668097][ T10] do_syscall_64+0xc6/0x1e0 [ 316.668097][ T10] [ 316.670771][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 316.670771][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 316.670771][ T10] ipv6_find_idev+0x102/0x170 [ 316.670771][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 316.670771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 316.670771][ T10] netlink_rcv_skb+0x130/0x360 [ 316.670771][ T10] netlink_unicast+0x449/0x710 [ 316.670771][ T10] netlink_sendmsg+0x723/0xbe0 [ 316.670771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 316.670771][ T10] ___sys_sendmsg+0xee/0x170 [ 316.670771][ T10] __sys_sendmsg+0xcd/0x170 [ 316.670771][ T10] do_syscall_64+0xc6/0x1e0 [ 316.670771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 316.670771][ T10] [ 316.672860][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 316.672860][ T10] neigh_parms_alloc+0x1e5/0x510 [ 316.672860][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 316.672860][ T10] ipv6_find_idev+0x102/0x170 [ 316.672860][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 316.672860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 316.672860][ T10] netlink_rcv_skb+0x130/0x360 [ 316.672860][ T10] netlink_unicast+0x449/0x710 [ 316.672860][ T10] netlink_sendmsg+0x723/0xbe0 [ 316.672860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 316.672860][ T10] ___sys_sendmsg+0xee/0x170 [ 316.672860][ T10] __sys_sendmsg+0xcd/0x170 [ 316.672860][ T10] do_syscall_64+0xc6/0x1e0 [ 316.672860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 316.672860][ T10] [ 320.265148][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 320.265678][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 320.265678][ T1167] dst_init+0x84/0x4a0 [ 320.265678][ T1167] dst_alloc+0x97/0x150 [ 320.265678][ T1167] ip6_dst_alloc+0x23/0x90 [ 320.265678][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 320.265678][ T1167] ip6_pol_route+0x56f/0x840 [ 320.265678][ T1167] fib6_rule_lookup+0x334/0x630 [ 320.265678][ T1167] ip6_route_output_flags+0x259/0x480 [ 320.265678][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 320.265678][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 320.265678][ T1167] netlink_rcv_skb+0x130/0x360 [ 320.265678][ T1167] netlink_unicast+0x449/0x710 [ 320.265678][ T1167] netlink_sendmsg+0x723/0xbe0 [ 320.265678][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 320.265678][ T1167] ___sys_sendmsg+0xee/0x170 [ 320.265678][ T1167] __sys_sendmsg+0xcd/0x170 [ 320.265678][ T1167] do_syscall_64+0xc6/0x1e0 [ 320.265678][ T1167] [ 320.268058][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 320.268058][ T1167] netdev_get_by_index+0x5e/0x80 [ 320.268058][ T1167] fib6_nh_init+0x3d8/0x1580 [ 320.268058][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 320.268058][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 320.268058][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 320.268058][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 320.268058][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 320.268058][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 320.268058][ T1167] addrconf_dad_begin+0x310/0x670 [ 320.268058][ T1167] addrconf_dad_work+0x10b/0xab0 [ 320.268058][ T1167] process_one_work+0x84d/0x18a0 [ 320.268058][ T1167] worker_thread+0x587/0xd30 [ 320.268058][ T1167] kthread+0x28a/0x350 [ 320.268058][ T1167] ret_from_fork+0x31/0x70 [ 320.268058][ T1167] ret_from_fork_asm+0x1a/0x30 [ 320.268058][ T1167] [ 320.270305][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 320.270305][ T1167] netdev_get_by_index+0x5e/0x80 [ 320.270305][ T1167] fib6_nh_init+0x3d8/0x1580 [ 320.270305][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 320.270305][ T1167] ip6_route_add+0x1c/0x140 [ 320.270305][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 320.270305][ T1167] inet6_addr_add+0x4f8/0xa40 [ 320.270305][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 320.270305][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.270305][ T1167] netlink_rcv_skb+0x130/0x360 [ 320.270305][ T1167] netlink_unicast+0x449/0x710 [ 320.270305][ T1167] netlink_sendmsg+0x723/0xbe0 [ 320.270305][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 320.270305][ T1167] ___sys_sendmsg+0xee/0x170 [ 320.270305][ T1167] __sys_sendmsg+0xcd/0x170 [ 320.270305][ T1167] do_syscall_64+0xc6/0x1e0 [ 320.270305][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.270305][ T1167] [ 320.272675][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 320.272675][ T1167] netdev_get_by_index+0x5e/0x80 [ 320.272675][ T1167] fib6_nh_init+0x3d8/0x1580 [ 320.272675][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 320.272675][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 320.272675][ T1167] ipv6_add_addr+0x411/0x2000 [ 320.272675][ T1167] inet6_addr_add+0x30e/0xa40 [ 320.272675][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 320.272675][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.272675][ T1167] netlink_rcv_skb+0x130/0x360 [ 320.272675][ T1167] netlink_unicast+0x449/0x710 [ 320.272675][ T1167] netlink_sendmsg+0x723/0xbe0 [ 320.272675][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 320.272675][ T1167] ___sys_sendmsg+0xee/0x170 [ 320.272675][ T1167] __sys_sendmsg+0xcd/0x170 [ 320.272675][ T1167] do_syscall_64+0xc6/0x1e0 [ 320.272675][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.272675][ T1167] [ 320.275060][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 320.275060][ T1167] netdev_get_by_index+0x5e/0x80 [ 320.275060][ T1167] fib6_nh_init+0x3d8/0x1580 [ 320.275060][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 320.275060][ T1167] ip6_route_add+0x1c/0x140 [ 320.275060][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 320.275060][ T1167] addrconf_add_dev+0xe2/0x170 [ 320.275060][ T1167] inet6_addr_add+0x12f/0xa40 [ 320.275060][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 320.275060][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.275060][ T1167] netlink_rcv_skb+0x130/0x360 [ 320.275060][ T1167] netlink_unicast+0x449/0x710 [ 320.275060][ T1167] netlink_sendmsg+0x723/0xbe0 [ 320.275060][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 320.275060][ T1167] ___sys_sendmsg+0xee/0x170 [ 320.275060][ T1167] __sys_sendmsg+0xcd/0x170 [ 320.275060][ T1167] do_syscall_64+0xc6/0x1e0 [ 320.275060][ T1167] [ 320.277647][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 320.277647][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 320.277647][ T1167] ipv6_find_idev+0x102/0x170 [ 320.277647][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 320.277647][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.277647][ T1167] netlink_rcv_skb+0x130/0x360 [ 320.277647][ T1167] netlink_unicast+0x449/0x710 [ 320.277647][ T1167] netlink_sendmsg+0x723/0xbe0 [ 320.277647][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 320.277647][ T1167] ___sys_sendmsg+0xee/0x170 [ 320.277647][ T1167] __sys_sendmsg+0xcd/0x170 [ 320.277647][ T1167] do_syscall_64+0xc6/0x1e0 [ 320.277647][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.277647][ T1167] [ 320.279513][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 320.279513][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 320.279513][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 320.279513][ T1167] ipv6_find_idev+0x102/0x170 [ 320.279513][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 320.279513][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.279513][ T1167] netlink_rcv_skb+0x130/0x360 [ 320.279513][ T1167] netlink_unicast+0x449/0x710 [ 320.279513][ T1167] netlink_sendmsg+0x723/0xbe0 [ 320.279513][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 320.279513][ T1167] ___sys_sendmsg+0xee/0x170 [ 320.279513][ T1167] __sys_sendmsg+0xcd/0x170 [ 320.279513][ T1167] do_syscall_64+0xc6/0x1e0 [ 320.279513][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.279513][ T1167] [ 326.921091][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 326.921592][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 326.921592][ T10] netdev_get_by_index+0x5e/0x80 [ 326.921592][ T10] fib6_nh_init+0x3d8/0x1580 [ 326.921592][ T10] ip6_route_info_create+0xf18/0x17d0 [ 326.921592][ T10] addrconf_f6i_alloc+0x265/0x560 [ 326.921592][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 326.921592][ T10] addrconf_join_anycast+0x1c0/0x220 [ 326.921592][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 326.921592][ T10] addrconf_dad_completed+0x12b/0xe20 [ 326.921592][ T10] addrconf_dad_begin+0x310/0x670 [ 326.921592][ T10] addrconf_dad_work+0x10b/0xab0 [ 326.921592][ T10] process_one_work+0x84d/0x18a0 [ 326.921592][ T10] worker_thread+0x587/0xd30 [ 326.921592][ T10] kthread+0x28a/0x350 [ 326.921592][ T10] ret_from_fork+0x31/0x70 [ 326.921592][ T10] ret_from_fork_asm+0x1a/0x30 [ 326.921592][ T10] [ 326.923620][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 326.923620][ T10] netdev_get_by_index+0x5e/0x80 [ 326.923620][ T10] fib6_nh_init+0x3d8/0x1580 [ 326.923620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 326.923620][ T10] ip6_route_add+0x1c/0x140 [ 326.923620][ T10] addrconf_prefix_route+0x2a6/0x430 [ 326.923620][ T10] inet6_addr_add+0x4f8/0xa40 [ 326.923620][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 326.923620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 326.923620][ T10] netlink_rcv_skb+0x130/0x360 [ 326.923620][ T10] netlink_unicast+0x449/0x710 [ 326.923620][ T10] netlink_sendmsg+0x723/0xbe0 [ 326.923620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 326.923620][ T10] ___sys_sendmsg+0xee/0x170 [ 326.923620][ T10] __sys_sendmsg+0xcd/0x170 [ 326.923620][ T10] do_syscall_64+0xc6/0x1e0 [ 326.923620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 326.923620][ T10] [ 326.925746][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 326.925746][ T10] netdev_get_by_index+0x5e/0x80 [ 326.925746][ T10] fib6_nh_init+0x3d8/0x1580 [ 326.925746][ T10] ip6_route_info_create+0xf18/0x17d0 [ 326.925746][ T10] addrconf_f6i_alloc+0x315/0x560 [ 326.925746][ T10] ipv6_add_addr+0x411/0x2000 [ 326.925746][ T10] inet6_addr_add+0x30e/0xa40 [ 326.925746][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 326.925746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 326.925746][ T10] netlink_rcv_skb+0x130/0x360 [ 326.925746][ T10] netlink_unicast+0x449/0x710 [ 326.925746][ T10] netlink_sendmsg+0x723/0xbe0 [ 326.925746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 326.925746][ T10] ___sys_sendmsg+0xee/0x170 [ 326.925746][ T10] __sys_sendmsg+0xcd/0x170 [ 326.925746][ T10] do_syscall_64+0xc6/0x1e0 [ 326.925746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 326.925746][ T10] [ 326.927875][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 326.927875][ T10] netdev_get_by_index+0x5e/0x80 [ 326.927875][ T10] fib6_nh_init+0x3d8/0x1580 [ 326.927875][ T10] ip6_route_info_create+0xf18/0x17d0 [ 326.927875][ T10] ip6_route_add+0x1c/0x140 [ 326.927875][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 326.927875][ T10] addrconf_add_dev+0xe2/0x170 [ 326.927875][ T10] inet6_addr_add+0x12f/0xa40 [ 326.927875][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 326.927875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 326.927875][ T10] netlink_rcv_skb+0x130/0x360 [ 326.927875][ T10] netlink_unicast+0x449/0x710 [ 326.927875][ T10] netlink_sendmsg+0x723/0xbe0 [ 326.927875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 326.927875][ T10] ___sys_sendmsg+0xee/0x170 [ 326.927875][ T10] __sys_sendmsg+0xcd/0x170 [ 326.927875][ T10] do_syscall_64+0xc6/0x1e0 [ 326.927875][ T10] [ 326.930000][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 326.930000][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 326.930000][ T10] ipv6_find_idev+0x102/0x170 [ 326.930000][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 326.930000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 326.930000][ T10] netlink_rcv_skb+0x130/0x360 [ 326.930000][ T10] netlink_unicast+0x449/0x710 [ 326.930000][ T10] netlink_sendmsg+0x723/0xbe0 [ 326.930000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 326.930000][ T10] ___sys_sendmsg+0xee/0x170 [ 326.930000][ T10] __sys_sendmsg+0xcd/0x170 [ 326.930000][ T10] do_syscall_64+0xc6/0x1e0 [ 326.930000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 326.930000][ T10] [ 326.931648][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 326.931648][ T10] neigh_parms_alloc+0x1e5/0x510 [ 326.931648][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 326.931648][ T10] ipv6_find_idev+0x102/0x170 [ 326.931648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 326.931648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 326.931648][ T10] netlink_rcv_skb+0x130/0x360 [ 326.931648][ T10] netlink_unicast+0x449/0x710 [ 326.931648][ T10] netlink_sendmsg+0x723/0xbe0 [ 326.931648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 326.931648][ T10] ___sys_sendmsg+0xee/0x170 [ 326.931648][ T10] __sys_sendmsg+0xcd/0x170 [ 326.931648][ T10] do_syscall_64+0xc6/0x1e0 [ 326.931648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 326.931648][ T10] [ 326.933475][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 326.933739][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 326.933739][ T10] netdev_get_by_index+0x5e/0x80 [ 326.933739][ T10] fib6_nh_init+0x3d8/0x1580 [ 326.933739][ T10] ip6_route_info_create+0xf18/0x17d0 [ 326.933739][ T10] addrconf_f6i_alloc+0x265/0x560 [ 326.933739][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 326.933739][ T10] addrconf_join_anycast+0x1c0/0x220 [ 326.933739][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 326.933739][ T10] addrconf_dad_completed+0x12b/0xe20 [ 326.933739][ T10] addrconf_dad_begin+0x310/0x670 [ 326.933739][ T10] addrconf_dad_work+0x10b/0xab0 [ 326.933739][ T10] process_one_work+0x84d/0x18a0 [ 326.933739][ T10] worker_thread+0x587/0xd30 [ 326.933739][ T10] kthread+0x28a/0x350 [ 326.933739][ T10] ret_from_fork+0x31/0x70 [ 326.933739][ T10] ret_from_fork_asm+0x1a/0x30 [ 326.933739][ T10] [ 326.935732][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 326.935732][ T10] netdev_get_by_index+0x5e/0x80 [ 326.935732][ T10] fib6_nh_init+0x3d8/0x1580 [ 326.935732][ T10] ip6_route_info_create+0xf18/0x17d0 [ 326.935732][ T10] ip6_route_add+0x1c/0x140 [ 326.935732][ T10] addrconf_prefix_route+0x2a6/0x430 [ 326.935732][ T10] inet6_addr_add+0x4f8/0xa40 [ 326.935732][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 326.935732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 326.935732][ T10] netlink_rcv_skb+0x130/0x360 [ 326.935732][ T10] netlink_unicast+0x449/0x710 [ 326.935732][ T10] netlink_sendmsg+0x723/0xbe0 [ 326.935732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 326.935732][ T10] ___sys_sendmsg+0xee/0x170 [ 326.935732][ T10] __sys_sendmsg+0xcd/0x170 [ 326.935732][ T10] do_syscall_64+0xc6/0x1e0 [ 326.935732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 326.935732][ T10] [ 326.937777][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 326.937777][ T10] netdev_get_by_index+0x5e/0x80 [ 326.937777][ T10] fib6_nh_init+0x3d8/0x1580 [ 326.937777][ T10] ip6_route_info_create+0xf18/0x17d0 [ 326.937777][ T10] addrconf_f6i_alloc+0x315/0x560 [ 326.937777][ T10] ipv6_add_addr+0x411/0x2000 [ 326.937777][ T10] inet6_addr_add+0x30e/0xa40 [ 326.937777][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 326.937777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 326.937777][ T10] netlink_rcv_skb+0x130/0x360 [ 326.937777][ T10] netlink_unicast+0x449/0x710 [ 326.937777][ T10] netlink_sendmsg+0x723/0xbe0 [ 326.937777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 326.937777][ T10] ___sys_sendmsg+0xee/0x170 [ 326.937777][ T10] __sys_sendmsg+0xcd/0x170 [ 326.937777][ T10] do_syscall_64+0xc6/0x1e0 [ 326.937777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 326.937777][ T10] [ 326.939830][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 326.939830][ T10] netdev_get_by_index+0x5e/0x80 [ 326.939830][ T10] fib6_nh_init+0x3d8/0x1580 [ 326.939830][ T10] ip6_route_info_create+0xf18/0x17d0 [ 326.939830][ T10] ip6_route_add+0x1c/0x140 [ 326.939830][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 326.939830][ T10] addrconf_add_dev+0xe2/0x170 [ 326.939830][ T10] inet6_addr_add+0x12f/0xa40 [ 326.939830][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 326.939830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 326.939830][ T10] netlink_rcv_skb+0x130/0x360 [ 326.939830][ T10] netlink_unicast+0x449/0x710 [ 326.939830][ T10] netlink_sendmsg+0x723/0xbe0 [ 326.939830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 326.939830][ T10] ___sys_sendmsg+0xee/0x170 [ 326.939830][ T10] __sys_sendmsg+0xcd/0x170 [ 326.939830][ T10] do_syscall_64+0xc6/0x1e0 [ 326.939830][ T10] [ 326.941838][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 326.941838][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 326.941838][ T10] ipv6_find_idev+0x102/0x170 [ 326.941838][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 326.941838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 326.941838][ T10] netlink_rcv_skb+0x130/0x360 [ 326.941838][ T10] netlink_unicast+0x449/0x710 [ 326.941838][ T10] netlink_sendmsg+0x723/0xbe0 [ 326.941838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 326.941838][ T10] ___sys_sendmsg+0xee/0x170 [ 326.941838][ T10] __sys_sendmsg+0xcd/0x170 [ 326.941838][ T10] do_syscall_64+0xc6/0x1e0 [ 326.941838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 326.941838][ T10] [ 326.943409][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 326.943409][ T10] neigh_parms_alloc+0x1e5/0x510 [ 326.943409][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 326.943409][ T10] ipv6_find_idev+0x102/0x170 [ 326.943409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 326.943409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 326.943409][ T10] netlink_rcv_skb+0x130/0x360 [ 326.943409][ T10] netlink_unicast+0x449/0x710 [ 326.943409][ T10] netlink_sendmsg+0x723/0xbe0 [ 326.943409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 326.943409][ T10] ___sys_sendmsg+0xee/0x170 [ 326.943409][ T10] __sys_sendmsg+0xcd/0x170 [ 326.943409][ T10] do_syscall_64+0xc6/0x1e0 [ 326.943409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 326.943409][ T10] [ 326.945183][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 326.945437][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 326.945437][ T10] netdev_get_by_index+0x5e/0x80 [ 326.945437][ T10] fib6_nh_init+0x3d8/0x1580 [ 326.945437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 326.945437][ T10] addrconf_f6i_alloc+0x265/0x560 [ 326.945437][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 326.945437][ T10] addrconf_join_anycast+0x1c0/0x220 [ 326.945437][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 326.945437][ T10] addrconf_dad_completed+0x12b/0xe20 [ 326.945437][ T10] addrconf_dad_begin+0x310/0x670 [ 326.945437][ T10] addrconf_dad_work+0x10b/0xab0 [ 326.945437][ T10] process_one_work+0x84d/0x18a0 [ 326.945437][ T10] worker_thread+0x587/0xd30 [ 326.945437][ T10] kthread+0x28a/0x350 [ 326.945437][ T10] ret_from_fork+0x31/0x70 [ 326.945437][ T10] ret_from_fork_asm+0x1a/0x30 [ 326.945437][ T10] [ 326.947457][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 326.947457][ T10] netdev_get_by_index+0x5e/0x80 [ 326.947457][ T10] fib6_nh_init+0x3d8/0x1580 [ 326.947457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 326.947457][ T10] ip6_route_add+0x1c/0x140 [ 326.947457][ T10] addrconf_prefix_route+0x2a6/0x430 [ 326.947457][ T10] inet6_addr_add+0x4f8/0xa40 [ 326.947457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 326.947457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 326.947457][ T10] netlink_rcv_skb+0x130/0x360 [ 326.947457][ T10] netlink_unicast+0x449/0x710 [ 326.947457][ T10] netlink_sendmsg+0x723/0xbe0 [ 326.947457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 326.947457][ T10] ___sys_sendmsg+0xee/0x170 [ 326.947457][ T10] __sys_sendmsg+0xcd/0x170 [ 326.947457][ T10] do_syscall_64+0xc6/0x1e0 [ 326.947457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 326.947457][ T10] [ 326.949708][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 326.949708][ T10] netdev_get_by_index+0x5e/0x80 [ 326.949708][ T10] fib6_nh_init+0x3d8/0x1580 [ 326.949708][ T10] ip6_route_info_create+0xf18/0x17d0 [ 326.949708][ T10] addrconf_f6i_alloc+0x315/0x560 [ 326.949708][ T10] ipv6_add_addr+0x411/0x2000 [ 326.949708][ T10] inet6_addr_add+0x30e/0xa40 [ 326.949708][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 326.949708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 326.949708][ T10] netlink_rcv_skb+0x130/0x360 [ 326.949708][ T10] netlink_unicast+0x449/0x710 [ 326.949708][ T10] netlink_sendmsg+0x723/0xbe0 [ 326.949708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 326.949708][ T10] ___sys_sendmsg+0xee/0x170 [ 326.949708][ T10] __sys_sendmsg+0xcd/0x170 [ 326.949708][ T10] do_syscall_64+0xc6/0x1e0 [ 326.949708][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 326.949708][ T10] [ 326.951949][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 326.951949][ T10] netdev_get_by_index+0x5e/0x80 [ 326.951949][ T10] fib6_nh_init+0x3d8/0x1580 [ 326.951949][ T10] ip6_route_info_create+0xf18/0x17d0 [ 326.951949][ T10] ip6_route_add+0x1c/0x140 [ 326.951949][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 326.951949][ T10] addrconf_add_dev+0xe2/0x170 [ 326.951949][ T10] inet6_addr_add+0x12f/0xa40 [ 326.951949][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 326.951949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 326.951949][ T10] netlink_rcv_skb+0x130/0x360 [ 326.951949][ T10] netlink_unicast+0x449/0x710 [ 326.951949][ T10] netlink_sendmsg+0x723/0xbe0 [ 326.951949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 326.951949][ T10] ___sys_sendmsg+0xee/0x170 [ 326.951949][ T10] __sys_sendmsg+0xcd/0x170 [ 326.951949][ T10] do_syscall_64+0xc6/0x1e0 [ 326.951949][ T10] [ 326.954130][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 326.954130][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 326.954130][ T10] ipv6_find_idev+0x102/0x170 [ 326.954130][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 326.954130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 326.954130][ T10] netlink_rcv_skb+0x130/0x360 [ 326.954130][ T10] netlink_unicast+0x449/0x710 [ 326.954130][ T10] netlink_sendmsg+0x723/0xbe0 [ 326.954130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 326.954130][ T10] ___sys_sendmsg+0xee/0x170 [ 326.954130][ T10] __sys_sendmsg+0xcd/0x170 [ 326.954130][ T10] do_syscall_64+0xc6/0x1e0 [ 326.954130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 326.954130][ T10] [ 326.955844][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 326.955844][ T10] neigh_parms_alloc+0x1e5/0x510 [ 326.955844][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 326.955844][ T10] ipv6_find_idev+0x102/0x170 [ 326.955844][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 326.955844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 326.955844][ T10] netlink_rcv_skb+0x130/0x360 [ 326.955844][ T10] netlink_unicast+0x449/0x710 [ 326.955844][ T10] netlink_sendmsg+0x723/0xbe0 [ 326.955844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 326.955844][ T10] ___sys_sendmsg+0xee/0x170 [ 326.955844][ T10] __sys_sendmsg+0xcd/0x170 [ 326.955844][ T10] do_syscall_64+0xc6/0x1e0 [ 326.955844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 326.955844][ T10] [ 326.957659][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 326.957990][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 326.957990][ T10] netdev_get_by_index+0x5e/0x80 [ 326.957990][ T10] fib6_nh_init+0x3d8/0x1580 [ 326.957990][ T10] ip6_route_info_create+0xf18/0x17d0 [ 326.957990][ T10] addrconf_f6i_alloc+0x265/0x560 [ 326.957990][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 326.957990][ T10] addrconf_join_anycast+0x1c0/0x220 [ 326.957990][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 326.957990][ T10] addrconf_dad_completed+0x12b/0xe20 [ 326.957990][ T10] addrconf_dad_begin+0x310/0x670 [ 326.957990][ T10] addrconf_dad_work+0x10b/0xab0 [ 326.957990][ T10] process_one_work+0x84d/0x18a0 [ 326.957990][ T10] worker_thread+0x587/0xd30 [ 326.957990][ T10] kthread+0x28a/0x350 [ 326.957990][ T10] ret_from_fork+0x31/0x70 [ 326.957990][ T10] ret_from_fork_asm+0x1a/0x30 [ 326.957990][ T10] [ 326.960016][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 326.960016][ T10] netdev_get_by_index+0x5e/0x80 [ 326.960016][ T10] fib6_nh_init+0x3d8/0x1580 [ 326.960016][ T10] ip6_route_info_create+0xf18/0x17d0 [ 326.960016][ T10] ip6_route_add+0x1c/0x140 [ 326.960016][ T10] addrconf_prefix_route+0x2a6/0x430 [ 326.960016][ T10] inet6_addr_add+0x4f8/0xa40 [ 326.960016][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 326.960016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 326.960016][ T10] netlink_rcv_skb+0x130/0x360 [ 326.960016][ T10] netlink_unicast+0x449/0x710 [ 326.960016][ T10] netlink_sendmsg+0x723/0xbe0 [ 326.960016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 326.960016][ T10] ___sys_sendmsg+0xee/0x170 [ 326.960016][ T10] __sys_sendmsg+0xcd/0x170 [ 326.960016][ T10] do_syscall_64+0xc6/0x1e0 [ 326.960016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 326.960016][ T10] [ 326.962260][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 326.962260][ T10] netdev_get_by_index+0x5e/0x80 [ 326.962260][ T10] fib6_nh_init+0x3d8/0x1580 [ 326.962260][ T10] ip6_route_info_create+0xf18/0x17d0 [ 326.962260][ T10] addrconf_f6i_alloc+0x315/0x560 [ 326.962260][ T10] ipv6_add_addr+0x411/0x2000 [ 326.962260][ T10] inet6_addr_add+0x30e/0xa40 [ 326.962260][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 326.962260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 326.962260][ T10] netlink_rcv_skb+0x130/0x360 [ 326.962260][ T10] netlink_unicast+0x449/0x710 [ 326.962260][ T10] netlink_sendmsg+0x723/0xbe0 [ 326.962260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 326.962260][ T10] ___sys_sendmsg+0xee/0x170 [ 326.962260][ T10] __sys_sendmsg+0xcd/0x170 [ 326.962260][ T10] do_syscall_64+0xc6/0x1e0 [ 326.962260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 326.962260][ T10] [ 326.964416][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 326.964416][ T10] netdev_get_by_index+0x5e/0x80 [ 326.964416][ T10] fib6_nh_init+0x3d8/0x1580 [ 326.964416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 326.964416][ T10] ip6_route_add+0x1c/0x140 [ 326.964416][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 326.964416][ T10] addrconf_add_dev+0xe2/0x170 [ 326.964416][ T10] inet6_addr_add+0x12f/0xa40 [ 326.964416][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 326.964416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 326.964416][ T10] netlink_rcv_skb+0x130/0x360 [ 326.964416][ T10] netlink_unicast+0x449/0x710 [ 326.964416][ T10] netlink_sendmsg+0x723/0xbe0 [ 326.964416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 326.964416][ T10] ___sys_sendmsg+0xee/0x170 [ 326.964416][ T10] __sys_sendmsg+0xcd/0x170 [ 326.964416][ T10] do_syscall_64+0xc6/0x1e0 [ 326.964416][ T10] [ 326.966556][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 326.966556][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 326.966556][ T10] ipv6_find_idev+0x102/0x170 [ 326.966556][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 326.966556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 326.966556][ T10] netlink_rcv_skb+0x130/0x360 [ 326.966556][ T10] netlink_unicast+0x449/0x710 [ 326.966556][ T10] netlink_sendmsg+0x723/0xbe0 [ 326.966556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 326.966556][ T10] ___sys_sendmsg+0xee/0x170 [ 326.966556][ T10] __sys_sendmsg+0xcd/0x170 [ 326.966556][ T10] do_syscall_64+0xc6/0x1e0 [ 326.966556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 326.966556][ T10] [ 326.968191][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 326.968191][ T10] neigh_parms_alloc+0x1e5/0x510 [ 326.968191][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 326.968191][ T10] ipv6_find_idev+0x102/0x170 [ 326.968191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 326.968191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 326.968191][ T10] netlink_rcv_skb+0x130/0x360 [ 326.968191][ T10] netlink_unicast+0x449/0x710 [ 326.968191][ T10] netlink_sendmsg+0x723/0xbe0 [ 326.968191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 326.968191][ T10] ___sys_sendmsg+0xee/0x170 [ 326.968191][ T10] __sys_sendmsg+0xcd/0x170 [ 326.968191][ T10] do_syscall_64+0xc6/0x1e0 [ 326.968191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 326.968191][ T10] [ 330.305068][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 330.305565][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 330.305565][ T1167] dst_init+0x84/0x4a0 [ 330.305565][ T1167] dst_alloc+0x97/0x150 [ 330.305565][ T1167] ip6_dst_alloc+0x23/0x90 [ 330.305565][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 330.305565][ T1167] ip6_pol_route+0x56f/0x840 [ 330.305565][ T1167] fib6_rule_lookup+0x334/0x630 [ 330.305565][ T1167] ip6_route_output_flags+0x259/0x480 [ 330.305565][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 330.305565][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 330.305565][ T1167] netlink_rcv_skb+0x130/0x360 [ 330.305565][ T1167] netlink_unicast+0x449/0x710 [ 330.305565][ T1167] netlink_sendmsg+0x723/0xbe0 [ 330.305565][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 330.305565][ T1167] ___sys_sendmsg+0xee/0x170 [ 330.305565][ T1167] __sys_sendmsg+0xcd/0x170 [ 330.305565][ T1167] do_syscall_64+0xc6/0x1e0 [ 330.305565][ T1167] [ 330.308889][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 330.308889][ T1167] netdev_get_by_index+0x5e/0x80 [ 330.308889][ T1167] fib6_nh_init+0x3d8/0x1580 [ 330.308889][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 330.308889][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 330.308889][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 330.308889][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 330.308889][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 330.308889][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 330.308889][ T1167] addrconf_dad_begin+0x310/0x670 [ 330.308889][ T1167] addrconf_dad_work+0x10b/0xab0 [ 330.308889][ T1167] process_one_work+0x84d/0x18a0 [ 330.308889][ T1167] worker_thread+0x587/0xd30 [ 330.308889][ T1167] kthread+0x28a/0x350 [ 330.308889][ T1167] ret_from_fork+0x31/0x70 [ 330.308889][ T1167] ret_from_fork_asm+0x1a/0x30 [ 330.308889][ T1167] [ 330.312528][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 330.312528][ T1167] netdev_get_by_index+0x5e/0x80 [ 330.312528][ T1167] fib6_nh_init+0x3d8/0x1580 [ 330.312528][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 330.312528][ T1167] ip6_route_add+0x1c/0x140 [ 330.312528][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 330.312528][ T1167] inet6_addr_add+0x4f8/0xa40 [ 330.312528][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 330.312528][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 330.312528][ T1167] netlink_rcv_skb+0x130/0x360 [ 330.312528][ T1167] netlink_unicast+0x449/0x710 [ 330.312528][ T1167] netlink_sendmsg+0x723/0xbe0 [ 330.312528][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 330.312528][ T1167] ___sys_sendmsg+0xee/0x170 [ 330.312528][ T1167] __sys_sendmsg+0xcd/0x170 [ 330.312528][ T1167] do_syscall_64+0xc6/0x1e0 [ 330.312528][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 330.312528][ T1167] [ 330.316349][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 330.316349][ T1167] netdev_get_by_index+0x5e/0x80 [ 330.316349][ T1167] fib6_nh_init+0x3d8/0x1580 [ 330.316349][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 330.316349][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 330.316349][ T1167] ipv6_add_addr+0x411/0x2000 [ 330.316349][ T1167] inet6_addr_add+0x30e/0xa40 [ 330.316349][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 330.316349][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 330.316349][ T1167] netlink_rcv_skb+0x130/0x360 [ 330.316349][ T1167] netlink_unicast+0x449/0x710 [ 330.316349][ T1167] netlink_sendmsg+0x723/0xbe0 [ 330.316349][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 330.316349][ T1167] ___sys_sendmsg+0xee/0x170 [ 330.316349][ T1167] __sys_sendmsg+0xcd/0x170 [ 330.316349][ T1167] do_syscall_64+0xc6/0x1e0 [ 330.316349][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 330.316349][ T1167] [ 330.319202][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 330.319202][ T1167] netdev_get_by_index+0x5e/0x80 [ 330.319202][ T1167] fib6_nh_init+0x3d8/0x1580 [ 330.319202][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 330.319202][ T1167] ip6_route_add+0x1c/0x140 [ 330.319202][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 330.319202][ T1167] addrconf_add_dev+0xe2/0x170 [ 330.319202][ T1167] inet6_addr_add+0x12f/0xa40 [ 330.319202][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 330.319202][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 330.319202][ T1167] netlink_rcv_skb+0x130/0x360 [ 330.319202][ T1167] netlink_unicast+0x449/0x710 [ 330.319202][ T1167] netlink_sendmsg+0x723/0xbe0 [ 330.319202][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 330.319202][ T1167] ___sys_sendmsg+0xee/0x170 [ 330.319202][ T1167] __sys_sendmsg+0xcd/0x170 [ 330.319202][ T1167] do_syscall_64+0xc6/0x1e0 [ 330.319202][ T1167] [ 330.321706][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 330.321706][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 330.321706][ T1167] ipv6_find_idev+0x102/0x170 [ 330.321706][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 330.321706][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 330.321706][ T1167] netlink_rcv_skb+0x130/0x360 [ 330.321706][ T1167] netlink_unicast+0x449/0x710 [ 330.321706][ T1167] netlink_sendmsg+0x723/0xbe0 [ 330.321706][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 330.321706][ T1167] ___sys_sendmsg+0xee/0x170 [ 330.321706][ T1167] __sys_sendmsg+0xcd/0x170 [ 330.321706][ T1167] do_syscall_64+0xc6/0x1e0 [ 330.321706][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 330.321706][ T1167] [ 330.323673][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 330.323673][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 330.323673][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 330.323673][ T1167] ipv6_find_idev+0x102/0x170 [ 330.323673][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 330.323673][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 330.323673][ T1167] netlink_rcv_skb+0x130/0x360 [ 330.323673][ T1167] netlink_unicast+0x449/0x710 [ 330.323673][ T1167] netlink_sendmsg+0x723/0xbe0 [ 330.323673][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 330.323673][ T1167] ___sys_sendmsg+0xee/0x170 [ 330.323673][ T1167] __sys_sendmsg+0xcd/0x170 [ 330.323673][ T1167] do_syscall_64+0xc6/0x1e0 [ 330.323673][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 330.323673][ T1167] [ 337.113112][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 337.113549][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 337.113549][ T10] netdev_get_by_index+0x5e/0x80 [ 337.113549][ T10] fib6_nh_init+0x3d8/0x1580 [ 337.113549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 337.113549][ T10] addrconf_f6i_alloc+0x265/0x560 [ 337.113549][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 337.113549][ T10] addrconf_join_anycast+0x1c0/0x220 [ 337.113549][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 337.113549][ T10] addrconf_dad_completed+0x12b/0xe20 [ 337.113549][ T10] addrconf_dad_begin+0x310/0x670 [ 337.113549][ T10] addrconf_dad_work+0x10b/0xab0 [ 337.113549][ T10] process_one_work+0x84d/0x18a0 [ 337.113549][ T10] worker_thread+0x587/0xd30 [ 337.113549][ T10] kthread+0x28a/0x350 [ 337.113549][ T10] ret_from_fork+0x31/0x70 [ 337.113549][ T10] ret_from_fork_asm+0x1a/0x30 [ 337.113549][ T10] [ 337.115666][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 337.115666][ T10] netdev_get_by_index+0x5e/0x80 [ 337.115666][ T10] fib6_nh_init+0x3d8/0x1580 [ 337.115666][ T10] ip6_route_info_create+0xf18/0x17d0 [ 337.115666][ T10] ip6_route_add+0x1c/0x140 [ 337.115666][ T10] addrconf_prefix_route+0x2a6/0x430 [ 337.115666][ T10] inet6_addr_add+0x4f8/0xa40 [ 337.115666][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 337.115666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 337.115666][ T10] netlink_rcv_skb+0x130/0x360 [ 337.115666][ T10] netlink_unicast+0x449/0x710 [ 337.115666][ T10] netlink_sendmsg+0x723/0xbe0 [ 337.115666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 337.115666][ T10] ___sys_sendmsg+0xee/0x170 [ 337.115666][ T10] __sys_sendmsg+0xcd/0x170 [ 337.115666][ T10] do_syscall_64+0xc6/0x1e0 [ 337.115666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 337.115666][ T10] [ 337.117837][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 337.117837][ T10] netdev_get_by_index+0x5e/0x80 [ 337.117837][ T10] fib6_nh_init+0x3d8/0x1580 [ 337.117837][ T10] ip6_route_info_create+0xf18/0x17d0 [ 337.117837][ T10] addrconf_f6i_alloc+0x315/0x560 [ 337.117837][ T10] ipv6_add_addr+0x411/0x2000 [ 337.117837][ T10] inet6_addr_add+0x30e/0xa40 [ 337.117837][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 337.117837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 337.117837][ T10] netlink_rcv_skb+0x130/0x360 [ 337.117837][ T10] netlink_unicast+0x449/0x710 [ 337.117837][ T10] netlink_sendmsg+0x723/0xbe0 [ 337.117837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 337.117837][ T10] ___sys_sendmsg+0xee/0x170 [ 337.117837][ T10] __sys_sendmsg+0xcd/0x170 [ 337.117837][ T10] do_syscall_64+0xc6/0x1e0 [ 337.117837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 337.117837][ T10] [ 337.119928][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 337.119928][ T10] netdev_get_by_index+0x5e/0x80 [ 337.119928][ T10] fib6_nh_init+0x3d8/0x1580 [ 337.119928][ T10] ip6_route_info_create+0xf18/0x17d0 [ 337.119928][ T10] ip6_route_add+0x1c/0x140 [ 337.119928][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 337.119928][ T10] addrconf_add_dev+0xe2/0x170 [ 337.119928][ T10] inet6_addr_add+0x12f/0xa40 [ 337.119928][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 337.119928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 337.119928][ T10] netlink_rcv_skb+0x130/0x360 [ 337.119928][ T10] netlink_unicast+0x449/0x710 [ 337.119928][ T10] netlink_sendmsg+0x723/0xbe0 [ 337.119928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 337.119928][ T10] ___sys_sendmsg+0xee/0x170 [ 337.119928][ T10] __sys_sendmsg+0xcd/0x170 [ 337.119928][ T10] do_syscall_64+0xc6/0x1e0 [ 337.119928][ T10] [ 337.122051][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 337.122051][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 337.122051][ T10] ipv6_find_idev+0x102/0x170 [ 337.122051][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 337.122051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 337.122051][ T10] netlink_rcv_skb+0x130/0x360 [ 337.122051][ T10] netlink_unicast+0x449/0x710 [ 337.122051][ T10] netlink_sendmsg+0x723/0xbe0 [ 337.122051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 337.122051][ T10] ___sys_sendmsg+0xee/0x170 [ 337.122051][ T10] __sys_sendmsg+0xcd/0x170 [ 337.122051][ T10] do_syscall_64+0xc6/0x1e0 [ 337.122051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 337.122051][ T10] [ 337.123748][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 337.123748][ T10] neigh_parms_alloc+0x1e5/0x510 [ 337.123748][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 337.123748][ T10] ipv6_find_idev+0x102/0x170 [ 337.123748][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 337.123748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 337.123748][ T10] netlink_rcv_skb+0x130/0x360 [ 337.123748][ T10] netlink_unicast+0x449/0x710 [ 337.123748][ T10] netlink_sendmsg+0x723/0xbe0 [ 337.123748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 337.123748][ T10] ___sys_sendmsg+0xee/0x170 [ 337.123748][ T10] __sys_sendmsg+0xcd/0x170 [ 337.123748][ T10] do_syscall_64+0xc6/0x1e0 [ 337.123748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 337.123748][ T10] [ 337.125634][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 337.125914][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 337.125914][ T10] netdev_get_by_index+0x5e/0x80 [ 337.125914][ T10] fib6_nh_init+0x3d8/0x1580 [ 337.125914][ T10] ip6_route_info_create+0xf18/0x17d0 [ 337.125914][ T10] addrconf_f6i_alloc+0x265/0x560 [ 337.125914][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 337.125914][ T10] addrconf_join_anycast+0x1c0/0x220 [ 337.125914][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 337.125914][ T10] addrconf_dad_completed+0x12b/0xe20 [ 337.125914][ T10] addrconf_dad_begin+0x310/0x670 [ 337.125914][ T10] addrconf_dad_work+0x10b/0xab0 [ 337.125914][ T10] process_one_work+0x84d/0x18a0 [ 337.125914][ T10] worker_thread+0x587/0xd30 [ 337.125914][ T10] kthread+0x28a/0x350 [ 337.125914][ T10] ret_from_fork+0x31/0x70 [ 337.125914][ T10] ret_from_fork_asm+0x1a/0x30 [ 337.125914][ T10] [ 337.127976][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 337.127976][ T10] netdev_get_by_index+0x5e/0x80 [ 337.127976][ T10] fib6_nh_init+0x3d8/0x1580 [ 337.127976][ T10] ip6_route_info_create+0xf18/0x17d0 [ 337.127976][ T10] ip6_route_add+0x1c/0x140 [ 337.127976][ T10] addrconf_prefix_route+0x2a6/0x430 [ 337.127976][ T10] inet6_addr_add+0x4f8/0xa40 [ 337.127976][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 337.127976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 337.127976][ T10] netlink_rcv_skb+0x130/0x360 [ 337.127976][ T10] netlink_unicast+0x449/0x710 [ 337.127976][ T10] netlink_sendmsg+0x723/0xbe0 [ 337.127976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 337.127976][ T10] ___sys_sendmsg+0xee/0x170 [ 337.127976][ T10] __sys_sendmsg+0xcd/0x170 [ 337.127976][ T10] do_syscall_64+0xc6/0x1e0 [ 337.127976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 337.127976][ T10] [ 337.129992][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 337.129992][ T10] netdev_get_by_index+0x5e/0x80 [ 337.129992][ T10] fib6_nh_init+0x3d8/0x1580 [ 337.129992][ T10] ip6_route_info_create+0xf18/0x17d0 [ 337.129992][ T10] addrconf_f6i_alloc+0x315/0x560 [ 337.129992][ T10] ipv6_add_addr+0x411/0x2000 [ 337.129992][ T10] inet6_addr_add+0x30e/0xa40 [ 337.129992][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 337.129992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 337.129992][ T10] netlink_rcv_skb+0x130/0x360 [ 337.129992][ T10] netlink_unicast+0x449/0x710 [ 337.129992][ T10] netlink_sendmsg+0x723/0xbe0 [ 337.129992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 337.129992][ T10] ___sys_sendmsg+0xee/0x170 [ 337.129992][ T10] __sys_sendmsg+0xcd/0x170 [ 337.129992][ T10] do_syscall_64+0xc6/0x1e0 [ 337.129992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 337.129992][ T10] [ 337.132007][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 337.132007][ T10] netdev_get_by_index+0x5e/0x80 [ 337.132007][ T10] fib6_nh_init+0x3d8/0x1580 [ 337.132007][ T10] ip6_route_info_create+0xf18/0x17d0 [ 337.132007][ T10] ip6_route_add+0x1c/0x140 [ 337.132007][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 337.132007][ T10] addrconf_add_dev+0xe2/0x170 [ 337.132007][ T10] inet6_addr_add+0x12f/0xa40 [ 337.132007][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 337.132007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 337.132007][ T10] netlink_rcv_skb+0x130/0x360 [ 337.132007][ T10] netlink_unicast+0x449/0x710 [ 337.132007][ T10] netlink_sendmsg+0x723/0xbe0 [ 337.132007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 337.132007][ T10] ___sys_sendmsg+0xee/0x170 [ 337.132007][ T10] __sys_sendmsg+0xcd/0x170 [ 337.132007][ T10] do_syscall_64+0xc6/0x1e0 [ 337.132007][ T10] [ 337.134118][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 337.134118][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 337.134118][ T10] ipv6_find_idev+0x102/0x170 [ 337.134118][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 337.134118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 337.134118][ T10] netlink_rcv_skb+0x130/0x360 [ 337.134118][ T10] netlink_unicast+0x449/0x710 [ 337.134118][ T10] netlink_sendmsg+0x723/0xbe0 [ 337.134118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 337.134118][ T10] ___sys_sendmsg+0xee/0x170 [ 337.134118][ T10] __sys_sendmsg+0xcd/0x170 [ 337.134118][ T10] do_syscall_64+0xc6/0x1e0 [ 337.134118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 337.134118][ T10] [ 337.135778][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 337.135778][ T10] neigh_parms_alloc+0x1e5/0x510 [ 337.135778][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 337.135778][ T10] ipv6_find_idev+0x102/0x170 [ 337.135778][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 337.135778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 337.135778][ T10] netlink_rcv_skb+0x130/0x360 [ 337.135778][ T10] netlink_unicast+0x449/0x710 [ 337.135778][ T10] netlink_sendmsg+0x723/0xbe0 [ 337.135778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 337.135778][ T10] ___sys_sendmsg+0xee/0x170 [ 337.135778][ T10] __sys_sendmsg+0xcd/0x170 [ 337.135778][ T10] do_syscall_64+0xc6/0x1e0 [ 337.135778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 337.135778][ T10] [ 337.137704][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 337.137965][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 337.137965][ T10] netdev_get_by_index+0x5e/0x80 [ 337.137965][ T10] fib6_nh_init+0x3d8/0x1580 [ 337.137965][ T10] ip6_route_info_create+0xf18/0x17d0 [ 337.137965][ T10] addrconf_f6i_alloc+0x265/0x560 [ 337.137965][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 337.137965][ T10] addrconf_join_anycast+0x1c0/0x220 [ 337.137965][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 337.137965][ T10] addrconf_dad_completed+0x12b/0xe20 [ 337.137965][ T10] addrconf_dad_begin+0x310/0x670 [ 337.137965][ T10] addrconf_dad_work+0x10b/0xab0 [ 337.137965][ T10] process_one_work+0x84d/0x18a0 [ 337.137965][ T10] worker_thread+0x587/0xd30 [ 337.137965][ T10] kthread+0x28a/0x350 [ 337.137965][ T10] ret_from_fork+0x31/0x70 [ 337.137965][ T10] ret_from_fork_asm+0x1a/0x30 [ 337.137965][ T10] [ 337.140036][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 337.140036][ T10] netdev_get_by_index+0x5e/0x80 [ 337.140036][ T10] fib6_nh_init+0x3d8/0x1580 [ 337.140036][ T10] ip6_route_info_create+0xf18/0x17d0 [ 337.140036][ T10] ip6_route_add+0x1c/0x140 [ 337.140036][ T10] addrconf_prefix_route+0x2a6/0x430 [ 337.140036][ T10] inet6_addr_add+0x4f8/0xa40 [ 337.140036][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 337.140036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 337.140036][ T10] netlink_rcv_skb+0x130/0x360 [ 337.140036][ T10] netlink_unicast+0x449/0x710 [ 337.140036][ T10] netlink_sendmsg+0x723/0xbe0 [ 337.140036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 337.140036][ T10] ___sys_sendmsg+0xee/0x170 [ 337.140036][ T10] __sys_sendmsg+0xcd/0x170 [ 337.140036][ T10] do_syscall_64+0xc6/0x1e0 [ 337.140036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 337.140036][ T10] [ 337.142373][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 337.142373][ T10] netdev_get_by_index+0x5e/0x80 [ 337.142373][ T10] fib6_nh_init+0x3d8/0x1580 [ 337.142373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 337.142373][ T10] addrconf_f6i_alloc+0x315/0x560 [ 337.142373][ T10] ipv6_add_addr+0x411/0x2000 [ 337.142373][ T10] inet6_addr_add+0x30e/0xa40 [ 337.142373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 337.142373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 337.142373][ T10] netlink_rcv_skb+0x130/0x360 [ 337.142373][ T10] netlink_unicast+0x449/0x710 [ 337.142373][ T10] netlink_sendmsg+0x723/0xbe0 [ 337.142373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 337.142373][ T10] ___sys_sendmsg+0xee/0x170 [ 337.142373][ T10] __sys_sendmsg+0xcd/0x170 [ 337.142373][ T10] do_syscall_64+0xc6/0x1e0 [ 337.142373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 337.142373][ T10] [ 337.144813][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 337.144813][ T10] netdev_get_by_index+0x5e/0x80 [ 337.144813][ T10] fib6_nh_init+0x3d8/0x1580 [ 337.144813][ T10] ip6_route_info_create+0xf18/0x17d0 [ 337.144813][ T10] ip6_route_add+0x1c/0x140 [ 337.144813][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 337.144813][ T10] addrconf_add_dev+0xe2/0x170 [ 337.144813][ T10] inet6_addr_add+0x12f/0xa40 [ 337.144813][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 337.144813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 337.144813][ T10] netlink_rcv_skb+0x130/0x360 [ 337.144813][ T10] netlink_unicast+0x449/0x710 [ 337.144813][ T10] netlink_sendmsg+0x723/0xbe0 [ 337.144813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 337.144813][ T10] ___sys_sendmsg+0xee/0x170 [ 337.144813][ T10] __sys_sendmsg+0xcd/0x170 [ 337.144813][ T10] do_syscall_64+0xc6/0x1e0 [ 337.144813][ T10] [ 337.147137][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 337.147137][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 337.147137][ T10] ipv6_find_idev+0x102/0x170 [ 337.147137][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 337.147137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 337.147137][ T10] netlink_rcv_skb+0x130/0x360 [ 337.147137][ T10] netlink_unicast+0x449/0x710 [ 337.147137][ T10] netlink_sendmsg+0x723/0xbe0 [ 337.147137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 337.147137][ T10] ___sys_sendmsg+0xee/0x170 [ 337.147137][ T10] __sys_sendmsg+0xcd/0x170 [ 337.147137][ T10] do_syscall_64+0xc6/0x1e0 [ 337.147137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 337.147137][ T10] [ 337.148880][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 337.148880][ T10] neigh_parms_alloc+0x1e5/0x510 [ 337.148880][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 337.148880][ T10] ipv6_find_idev+0x102/0x170 [ 337.148880][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 337.148880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 337.148880][ T10] netlink_rcv_skb+0x130/0x360 [ 337.148880][ T10] netlink_unicast+0x449/0x710 [ 337.148880][ T10] netlink_sendmsg+0x723/0xbe0 [ 337.148880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 337.148880][ T10] ___sys_sendmsg+0xee/0x170 [ 337.148880][ T10] __sys_sendmsg+0xcd/0x170 [ 337.148880][ T10] do_syscall_64+0xc6/0x1e0 [ 337.148880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 337.148880][ T10] [ 337.150819][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 337.151656][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 337.151656][ T10] netdev_get_by_index+0x5e/0x80 [ 337.151656][ T10] fib6_nh_init+0x3d8/0x1580 [ 337.151656][ T10] ip6_route_info_create+0xf18/0x17d0 [ 337.151656][ T10] addrconf_f6i_alloc+0x265/0x560 [ 337.151656][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 337.151656][ T10] addrconf_join_anycast+0x1c0/0x220 [ 337.151656][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 337.151656][ T10] addrconf_dad_completed+0x12b/0xe20 [ 337.151656][ T10] addrconf_dad_begin+0x310/0x670 [ 337.151656][ T10] addrconf_dad_work+0x10b/0xab0 [ 337.151656][ T10] process_one_work+0x84d/0x18a0 [ 337.151656][ T10] worker_thread+0x587/0xd30 [ 337.151656][ T10] kthread+0x28a/0x350 [ 337.151656][ T10] ret_from_fork+0x31/0x70 [ 337.151656][ T10] ret_from_fork_asm+0x1a/0x30 [ 337.151656][ T10] [ 337.153672][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 337.153672][ T10] netdev_get_by_index+0x5e/0x80 [ 337.153672][ T10] fib6_nh_init+0x3d8/0x1580 [ 337.153672][ T10] ip6_route_info_create+0xf18/0x17d0 [ 337.153672][ T10] ip6_route_add+0x1c/0x140 [ 337.153672][ T10] addrconf_prefix_route+0x2a6/0x430 [ 337.153672][ T10] inet6_addr_add+0x4f8/0xa40 [ 337.153672][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 337.153672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 337.153672][ T10] netlink_rcv_skb+0x130/0x360 [ 337.153672][ T10] netlink_unicast+0x449/0x710 [ 337.153672][ T10] netlink_sendmsg+0x723/0xbe0 [ 337.153672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 337.153672][ T10] ___sys_sendmsg+0xee/0x170 [ 337.153672][ T10] __sys_sendmsg+0xcd/0x170 [ 337.153672][ T10] do_syscall_64+0xc6/0x1e0 [ 337.153672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 337.153672][ T10] [ 337.156022][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 337.156022][ T10] netdev_get_by_index+0x5e/0x80 [ 337.156022][ T10] fib6_nh_init+0x3d8/0x1580 [ 337.156022][ T10] ip6_route_info_create+0xf18/0x17d0 [ 337.156022][ T10] addrconf_f6i_alloc+0x315/0x560 [ 337.156022][ T10] ipv6_add_addr+0x411/0x2000 [ 337.156022][ T10] inet6_addr_add+0x30e/0xa40 [ 337.156022][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 337.156022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 337.156022][ T10] netlink_rcv_skb+0x130/0x360 [ 337.156022][ T10] netlink_unicast+0x449/0x710 [ 337.156022][ T10] netlink_sendmsg+0x723/0xbe0 [ 337.156022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 337.156022][ T10] ___sys_sendmsg+0xee/0x170 [ 337.156022][ T10] __sys_sendmsg+0xcd/0x170 [ 337.156022][ T10] do_syscall_64+0xc6/0x1e0 [ 337.156022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 337.156022][ T10] [ 337.158555][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 337.158555][ T10] netdev_get_by_index+0x5e/0x80 [ 337.158555][ T10] fib6_nh_init+0x3d8/0x1580 [ 337.158555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 337.158555][ T10] ip6_route_add+0x1c/0x140 [ 337.158555][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 337.158555][ T10] addrconf_add_dev+0xe2/0x170 [ 337.158555][ T10] inet6_addr_add+0x12f/0xa40 [ 337.158555][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 337.158555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 337.158555][ T10] netlink_rcv_skb+0x130/0x360 [ 337.158555][ T10] netlink_unicast+0x449/0x710 [ 337.158555][ T10] netlink_sendmsg+0x723/0xbe0 [ 337.158555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 337.158555][ T10] ___sys_sendmsg+0xee/0x170 [ 337.158555][ T10] __sys_sendmsg+0xcd/0x170 [ 337.158555][ T10] do_syscall_64+0xc6/0x1e0 [ 337.158555][ T10] [ 337.160884][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 337.160884][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 337.160884][ T10] ipv6_find_idev+0x102/0x170 [ 337.160884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 337.160884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 337.160884][ T10] netlink_rcv_skb+0x130/0x360 [ 337.160884][ T10] netlink_unicast+0x449/0x710 [ 337.160884][ T10] netlink_sendmsg+0x723/0xbe0 [ 337.160884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 337.160884][ T10] ___sys_sendmsg+0xee/0x170 [ 337.160884][ T10] __sys_sendmsg+0xcd/0x170 [ 337.160884][ T10] do_syscall_64+0xc6/0x1e0 [ 337.160884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 337.160884][ T10] [ 337.162768][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 337.162768][ T10] neigh_parms_alloc+0x1e5/0x510 [ 337.162768][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 337.162768][ T10] ipv6_find_idev+0x102/0x170 [ 337.162768][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 337.162768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 337.162768][ T10] netlink_rcv_skb+0x130/0x360 [ 337.162768][ T10] netlink_unicast+0x449/0x710 [ 337.162768][ T10] netlink_sendmsg+0x723/0xbe0 [ 337.162768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 337.162768][ T10] ___sys_sendmsg+0xee/0x170 [ 337.162768][ T10] __sys_sendmsg+0xcd/0x170 [ 337.162768][ T10] do_syscall_64+0xc6/0x1e0 [ 337.162768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 337.162768][ T10] [ 340.441058][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 340.441552][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 340.441552][ T1167] dst_init+0x84/0x4a0 [ 340.441552][ T1167] dst_alloc+0x97/0x150 [ 340.441552][ T1167] ip6_dst_alloc+0x23/0x90 [ 340.441552][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 340.441552][ T1167] ip6_pol_route+0x56f/0x840 [ 340.441552][ T1167] fib6_rule_lookup+0x334/0x630 [ 340.441552][ T1167] ip6_route_output_flags+0x259/0x480 [ 340.441552][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 340.441552][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 340.441552][ T1167] netlink_rcv_skb+0x130/0x360 [ 340.441552][ T1167] netlink_unicast+0x449/0x710 [ 340.441552][ T1167] netlink_sendmsg+0x723/0xbe0 [ 340.441552][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 340.441552][ T1167] ___sys_sendmsg+0xee/0x170 [ 340.441552][ T1167] __sys_sendmsg+0xcd/0x170 [ 340.441552][ T1167] do_syscall_64+0xc6/0x1e0 [ 340.441552][ T1167] [ 340.443937][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 340.443937][ T1167] netdev_get_by_index+0x5e/0x80 [ 340.443937][ T1167] fib6_nh_init+0x3d8/0x1580 [ 340.443937][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 340.443937][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 340.443937][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 340.443937][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 340.443937][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 340.443937][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 340.443937][ T1167] addrconf_dad_begin+0x310/0x670 [ 340.443937][ T1167] addrconf_dad_work+0x10b/0xab0 [ 340.443937][ T1167] process_one_work+0x84d/0x18a0 [ 340.443937][ T1167] worker_thread+0x587/0xd30 [ 340.443937][ T1167] kthread+0x28a/0x350 [ 340.443937][ T1167] ret_from_fork+0x31/0x70 [ 340.443937][ T1167] ret_from_fork_asm+0x1a/0x30 [ 340.443937][ T1167] [ 340.446268][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 340.446268][ T1167] netdev_get_by_index+0x5e/0x80 [ 340.446268][ T1167] fib6_nh_init+0x3d8/0x1580 [ 340.446268][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 340.446268][ T1167] ip6_route_add+0x1c/0x140 [ 340.446268][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 340.446268][ T1167] inet6_addr_add+0x4f8/0xa40 [ 340.446268][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 340.446268][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 340.446268][ T1167] netlink_rcv_skb+0x130/0x360 [ 340.446268][ T1167] netlink_unicast+0x449/0x710 [ 340.446268][ T1167] netlink_sendmsg+0x723/0xbe0 [ 340.446268][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 340.446268][ T1167] ___sys_sendmsg+0xee/0x170 [ 340.446268][ T1167] __sys_sendmsg+0xcd/0x170 [ 340.446268][ T1167] do_syscall_64+0xc6/0x1e0 [ 340.446268][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 340.446268][ T1167] [ 340.448710][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 340.448710][ T1167] netdev_get_by_index+0x5e/0x80 [ 340.448710][ T1167] fib6_nh_init+0x3d8/0x1580 [ 340.448710][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 340.448710][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 340.448710][ T1167] ipv6_add_addr+0x411/0x2000 [ 340.448710][ T1167] inet6_addr_add+0x30e/0xa40 [ 340.448710][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 340.448710][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 340.448710][ T1167] netlink_rcv_skb+0x130/0x360 [ 340.448710][ T1167] netlink_unicast+0x449/0x710 [ 340.448710][ T1167] netlink_sendmsg+0x723/0xbe0 [ 340.448710][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 340.448710][ T1167] ___sys_sendmsg+0xee/0x170 [ 340.448710][ T1167] __sys_sendmsg+0xcd/0x170 [ 340.448710][ T1167] do_syscall_64+0xc6/0x1e0 [ 340.448710][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 340.448710][ T1167] [ 340.451140][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 340.451140][ T1167] netdev_get_by_index+0x5e/0x80 [ 340.451140][ T1167] fib6_nh_init+0x3d8/0x1580 [ 340.451140][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 340.451140][ T1167] ip6_route_add+0x1c/0x140 [ 340.451140][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 340.451140][ T1167] addrconf_add_dev+0xe2/0x170 [ 340.451140][ T1167] inet6_addr_add+0x12f/0xa40 [ 340.451140][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 340.451140][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 340.451140][ T1167] netlink_rcv_skb+0x130/0x360 [ 340.451140][ T1167] netlink_unicast+0x449/0x710 [ 340.451140][ T1167] netlink_sendmsg+0x723/0xbe0 [ 340.451140][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 340.451140][ T1167] ___sys_sendmsg+0xee/0x170 [ 340.451140][ T1167] __sys_sendmsg+0xcd/0x170 [ 340.451140][ T1167] do_syscall_64+0xc6/0x1e0 [ 340.451140][ T1167] [ 340.453380][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 340.453380][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 340.453380][ T1167] ipv6_find_idev+0x102/0x170 [ 340.453380][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 340.453380][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 340.453380][ T1167] netlink_rcv_skb+0x130/0x360 [ 340.453380][ T1167] netlink_unicast+0x449/0x710 [ 340.453380][ T1167] netlink_sendmsg+0x723/0xbe0 [ 340.453380][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 340.453380][ T1167] ___sys_sendmsg+0xee/0x170 [ 340.453380][ T1167] __sys_sendmsg+0xcd/0x170 [ 340.453380][ T1167] do_syscall_64+0xc6/0x1e0 [ 340.453380][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 340.453380][ T1167] [ 340.455189][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 340.455189][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 340.455189][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 340.455189][ T1167] ipv6_find_idev+0x102/0x170 [ 340.455189][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 340.455189][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 340.455189][ T1167] netlink_rcv_skb+0x130/0x360 [ 340.455189][ T1167] netlink_unicast+0x449/0x710 [ 340.455189][ T1167] netlink_sendmsg+0x723/0xbe0 [ 340.455189][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 340.455189][ T1167] ___sys_sendmsg+0xee/0x170 [ 340.455189][ T1167] __sys_sendmsg+0xcd/0x170 [ 340.455189][ T1167] do_syscall_64+0xc6/0x1e0 [ 340.455189][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 340.455189][ T1167] [ 347.401079][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 347.401453][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 347.401453][ T10] netdev_get_by_index+0x5e/0x80 [ 347.401453][ T10] fib6_nh_init+0x3d8/0x1580 [ 347.401453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 347.401453][ T10] addrconf_f6i_alloc+0x265/0x560 [ 347.401453][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 347.401453][ T10] addrconf_join_anycast+0x1c0/0x220 [ 347.401453][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 347.401453][ T10] addrconf_dad_completed+0x12b/0xe20 [ 347.401453][ T10] addrconf_dad_begin+0x310/0x670 [ 347.401453][ T10] addrconf_dad_work+0x10b/0xab0 [ 347.401453][ T10] process_one_work+0x84d/0x18a0 [ 347.401453][ T10] worker_thread+0x587/0xd30 [ 347.401453][ T10] kthread+0x28a/0x350 [ 347.401453][ T10] ret_from_fork+0x31/0x70 [ 347.401453][ T10] ret_from_fork_asm+0x1a/0x30 [ 347.401453][ T10] [ 347.403415][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 347.403415][ T10] netdev_get_by_index+0x5e/0x80 [ 347.403415][ T10] fib6_nh_init+0x3d8/0x1580 [ 347.403415][ T10] ip6_route_info_create+0xf18/0x17d0 [ 347.403415][ T10] ip6_route_add+0x1c/0x140 [ 347.403415][ T10] addrconf_prefix_route+0x2a6/0x430 [ 347.403415][ T10] inet6_addr_add+0x4f8/0xa40 [ 347.403415][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 347.403415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 347.403415][ T10] netlink_rcv_skb+0x130/0x360 [ 347.403415][ T10] netlink_unicast+0x449/0x710 [ 347.403415][ T10] netlink_sendmsg+0x723/0xbe0 [ 347.403415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 347.403415][ T10] ___sys_sendmsg+0xee/0x170 [ 347.403415][ T10] __sys_sendmsg+0xcd/0x170 [ 347.403415][ T10] do_syscall_64+0xc6/0x1e0 [ 347.403415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 347.403415][ T10] [ 347.405451][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 347.405451][ T10] netdev_get_by_index+0x5e/0x80 [ 347.405451][ T10] fib6_nh_init+0x3d8/0x1580 [ 347.405451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 347.405451][ T10] addrconf_f6i_alloc+0x315/0x560 [ 347.405451][ T10] ipv6_add_addr+0x411/0x2000 [ 347.405451][ T10] inet6_addr_add+0x30e/0xa40 [ 347.405451][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 347.405451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 347.405451][ T10] netlink_rcv_skb+0x130/0x360 [ 347.405451][ T10] netlink_unicast+0x449/0x710 [ 347.405451][ T10] netlink_sendmsg+0x723/0xbe0 [ 347.405451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 347.405451][ T10] ___sys_sendmsg+0xee/0x170 [ 347.405451][ T10] __sys_sendmsg+0xcd/0x170 [ 347.405451][ T10] do_syscall_64+0xc6/0x1e0 [ 347.405451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 347.405451][ T10] [ 347.407543][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 347.407543][ T10] netdev_get_by_index+0x5e/0x80 [ 347.407543][ T10] fib6_nh_init+0x3d8/0x1580 [ 347.407543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 347.407543][ T10] ip6_route_add+0x1c/0x140 [ 347.407543][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 347.407543][ T10] addrconf_add_dev+0xe2/0x170 [ 347.407543][ T10] inet6_addr_add+0x12f/0xa40 [ 347.407543][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 347.407543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 347.407543][ T10] netlink_rcv_skb+0x130/0x360 [ 347.407543][ T10] netlink_unicast+0x449/0x710 [ 347.407543][ T10] netlink_sendmsg+0x723/0xbe0 [ 347.407543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 347.407543][ T10] ___sys_sendmsg+0xee/0x170 [ 347.407543][ T10] __sys_sendmsg+0xcd/0x170 [ 347.407543][ T10] do_syscall_64+0xc6/0x1e0 [ 347.407543][ T10] [ 347.409633][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 347.409633][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 347.409633][ T10] ipv6_find_idev+0x102/0x170 [ 347.409633][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 347.409633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 347.409633][ T10] netlink_rcv_skb+0x130/0x360 [ 347.409633][ T10] netlink_unicast+0x449/0x710 [ 347.409633][ T10] netlink_sendmsg+0x723/0xbe0 [ 347.409633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 347.409633][ T10] ___sys_sendmsg+0xee/0x170 [ 347.409633][ T10] __sys_sendmsg+0xcd/0x170 [ 347.409633][ T10] do_syscall_64+0xc6/0x1e0 [ 347.409633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 347.409633][ T10] [ 347.411195][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 347.411195][ T10] neigh_parms_alloc+0x1e5/0x510 [ 347.411195][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 347.411195][ T10] ipv6_find_idev+0x102/0x170 [ 347.411195][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 347.411195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 347.411195][ T10] netlink_rcv_skb+0x130/0x360 [ 347.411195][ T10] netlink_unicast+0x449/0x710 [ 347.411195][ T10] netlink_sendmsg+0x723/0xbe0 [ 347.411195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 347.411195][ T10] ___sys_sendmsg+0xee/0x170 [ 347.411195][ T10] __sys_sendmsg+0xcd/0x170 [ 347.411195][ T10] do_syscall_64+0xc6/0x1e0 [ 347.411195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 347.411195][ T10] [ 347.413040][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 347.413299][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 347.413299][ T10] netdev_get_by_index+0x5e/0x80 [ 347.413299][ T10] fib6_nh_init+0x3d8/0x1580 [ 347.413299][ T10] ip6_route_info_create+0xf18/0x17d0 [ 347.413299][ T10] addrconf_f6i_alloc+0x265/0x560 [ 347.413299][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 347.413299][ T10] addrconf_join_anycast+0x1c0/0x220 [ 347.413299][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 347.413299][ T10] addrconf_dad_completed+0x12b/0xe20 [ 347.413299][ T10] addrconf_dad_begin+0x310/0x670 [ 347.413299][ T10] addrconf_dad_work+0x10b/0xab0 [ 347.413299][ T10] process_one_work+0x84d/0x18a0 [ 347.413299][ T10] worker_thread+0x587/0xd30 [ 347.413299][ T10] kthread+0x28a/0x350 [ 347.413299][ T10] ret_from_fork+0x31/0x70 [ 347.413299][ T10] ret_from_fork_asm+0x1a/0x30 [ 347.413299][ T10] [ 347.415322][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 347.415322][ T10] netdev_get_by_index+0x5e/0x80 [ 347.415322][ T10] fib6_nh_init+0x3d8/0x1580 [ 347.415322][ T10] ip6_route_info_create+0xf18/0x17d0 [ 347.415322][ T10] ip6_route_add+0x1c/0x140 [ 347.415322][ T10] addrconf_prefix_route+0x2a6/0x430 [ 347.415322][ T10] inet6_addr_add+0x4f8/0xa40 [ 347.415322][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 347.415322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 347.415322][ T10] netlink_rcv_skb+0x130/0x360 [ 347.415322][ T10] netlink_unicast+0x449/0x710 [ 347.415322][ T10] netlink_sendmsg+0x723/0xbe0 [ 347.415322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 347.415322][ T10] ___sys_sendmsg+0xee/0x170 [ 347.415322][ T10] __sys_sendmsg+0xcd/0x170 [ 347.415322][ T10] do_syscall_64+0xc6/0x1e0 [ 347.415322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 347.415322][ T10] [ 347.417494][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 347.417494][ T10] netdev_get_by_index+0x5e/0x80 [ 347.417494][ T10] fib6_nh_init+0x3d8/0x1580 [ 347.417494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 347.417494][ T10] addrconf_f6i_alloc+0x315/0x560 [ 347.417494][ T10] ipv6_add_addr+0x411/0x2000 [ 347.417494][ T10] inet6_addr_add+0x30e/0xa40 [ 347.417494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 347.417494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 347.417494][ T10] netlink_rcv_skb+0x130/0x360 [ 347.417494][ T10] netlink_unicast+0x449/0x710 [ 347.417494][ T10] netlink_sendmsg+0x723/0xbe0 [ 347.417494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 347.417494][ T10] ___sys_sendmsg+0xee/0x170 [ 347.417494][ T10] __sys_sendmsg+0xcd/0x170 [ 347.417494][ T10] do_syscall_64+0xc6/0x1e0 [ 347.417494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 347.417494][ T10] [ 347.419868][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 347.419868][ T10] netdev_get_by_index+0x5e/0x80 [ 347.419868][ T10] fib6_nh_init+0x3d8/0x1580 [ 347.419868][ T10] ip6_route_info_create+0xf18/0x17d0 [ 347.419868][ T10] ip6_route_add+0x1c/0x140 [ 347.419868][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 347.419868][ T10] addrconf_add_dev+0xe2/0x170 [ 347.419868][ T10] inet6_addr_add+0x12f/0xa40 [ 347.419868][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 347.419868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 347.419868][ T10] netlink_rcv_skb+0x130/0x360 [ 347.419868][ T10] netlink_unicast+0x449/0x710 [ 347.419868][ T10] netlink_sendmsg+0x723/0xbe0 [ 347.419868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 347.419868][ T10] ___sys_sendmsg+0xee/0x170 [ 347.419868][ T10] __sys_sendmsg+0xcd/0x170 [ 347.419868][ T10] do_syscall_64+0xc6/0x1e0 [ 347.419868][ T10] [ 347.422153][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 347.422153][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 347.422153][ T10] ipv6_find_idev+0x102/0x170 [ 347.422153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 347.422153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 347.422153][ T10] netlink_rcv_skb+0x130/0x360 [ 347.422153][ T10] netlink_unicast+0x449/0x710 [ 347.422153][ T10] netlink_sendmsg+0x723/0xbe0 [ 347.422153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 347.422153][ T10] ___sys_sendmsg+0xee/0x170 [ 347.422153][ T10] __sys_sendmsg+0xcd/0x170 [ 347.422153][ T10] do_syscall_64+0xc6/0x1e0 [ 347.422153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 347.422153][ T10] [ 347.423905][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 347.423905][ T10] neigh_parms_alloc+0x1e5/0x510 [ 347.423905][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 347.423905][ T10] ipv6_find_idev+0x102/0x170 [ 347.423905][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 347.423905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 347.423905][ T10] netlink_rcv_skb+0x130/0x360 [ 347.423905][ T10] netlink_unicast+0x449/0x710 [ 347.423905][ T10] netlink_sendmsg+0x723/0xbe0 [ 347.423905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 347.423905][ T10] ___sys_sendmsg+0xee/0x170 [ 347.423905][ T10] __sys_sendmsg+0xcd/0x170 [ 347.423905][ T10] do_syscall_64+0xc6/0x1e0 [ 347.423905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 347.423905][ T10] [ 347.425864][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 347.426138][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 347.426138][ T10] netdev_get_by_index+0x5e/0x80 [ 347.426138][ T10] fib6_nh_init+0x3d8/0x1580 [ 347.426138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 347.426138][ T10] addrconf_f6i_alloc+0x265/0x560 [ 347.426138][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 347.426138][ T10] addrconf_join_anycast+0x1c0/0x220 [ 347.426138][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 347.426138][ T10] addrconf_dad_completed+0x12b/0xe20 [ 347.426138][ T10] addrconf_dad_begin+0x310/0x670 [ 347.426138][ T10] addrconf_dad_work+0x10b/0xab0 [ 347.426138][ T10] process_one_work+0x84d/0x18a0 [ 347.426138][ T10] worker_thread+0x587/0xd30 [ 347.426138][ T10] kthread+0x28a/0x350 [ 347.426138][ T10] ret_from_fork+0x31/0x70 [ 347.426138][ T10] ret_from_fork_asm+0x1a/0x30 [ 347.426138][ T10] [ 347.428274][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 347.428274][ T10] netdev_get_by_index+0x5e/0x80 [ 347.428274][ T10] fib6_nh_init+0x3d8/0x1580 [ 347.428274][ T10] ip6_route_info_create+0xf18/0x17d0 [ 347.428274][ T10] ip6_route_add+0x1c/0x140 [ 347.428274][ T10] addrconf_prefix_route+0x2a6/0x430 [ 347.428274][ T10] inet6_addr_add+0x4f8/0xa40 [ 347.428274][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 347.428274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 347.428274][ T10] netlink_rcv_skb+0x130/0x360 [ 347.428274][ T10] netlink_unicast+0x449/0x710 [ 347.428274][ T10] netlink_sendmsg+0x723/0xbe0 [ 347.428274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 347.428274][ T10] ___sys_sendmsg+0xee/0x170 [ 347.428274][ T10] __sys_sendmsg+0xcd/0x170 [ 347.428274][ T10] do_syscall_64+0xc6/0x1e0 [ 347.428274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 347.428274][ T10] [ 347.430586][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 347.430586][ T10] netdev_get_by_index+0x5e/0x80 [ 347.430586][ T10] fib6_nh_init+0x3d8/0x1580 [ 347.430586][ T10] ip6_route_info_create+0xf18/0x17d0 [ 347.430586][ T10] addrconf_f6i_alloc+0x315/0x560 [ 347.430586][ T10] ipv6_add_addr+0x411/0x2000 [ 347.430586][ T10] inet6_addr_add+0x30e/0xa40 [ 347.430586][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 347.430586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 347.430586][ T10] netlink_rcv_skb+0x130/0x360 [ 347.430586][ T10] netlink_unicast+0x449/0x710 [ 347.430586][ T10] netlink_sendmsg+0x723/0xbe0 [ 347.430586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 347.430586][ T10] ___sys_sendmsg+0xee/0x170 [ 347.430586][ T10] __sys_sendmsg+0xcd/0x170 [ 347.430586][ T10] do_syscall_64+0xc6/0x1e0 [ 347.430586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 347.430586][ T10] [ 347.433129][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 347.433129][ T10] netdev_get_by_index+0x5e/0x80 [ 347.433129][ T10] fib6_nh_init+0x3d8/0x1580 [ 347.433129][ T10] ip6_route_info_create+0xf18/0x17d0 [ 347.433129][ T10] ip6_route_add+0x1c/0x140 [ 347.433129][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 347.433129][ T10] addrconf_add_dev+0xe2/0x170 [ 347.433129][ T10] inet6_addr_add+0x12f/0xa40 [ 347.433129][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 347.433129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 347.433129][ T10] netlink_rcv_skb+0x130/0x360 [ 347.433129][ T10] netlink_unicast+0x449/0x710 [ 347.433129][ T10] netlink_sendmsg+0x723/0xbe0 [ 347.433129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 347.433129][ T10] ___sys_sendmsg+0xee/0x170 [ 347.433129][ T10] __sys_sendmsg+0xcd/0x170 [ 347.433129][ T10] do_syscall_64+0xc6/0x1e0 [ 347.433129][ T10] [ 347.435456][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 347.435456][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 347.435456][ T10] ipv6_find_idev+0x102/0x170 [ 347.435456][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 347.435456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 347.435456][ T10] netlink_rcv_skb+0x130/0x360 [ 347.435456][ T10] netlink_unicast+0x449/0x710 [ 347.435456][ T10] netlink_sendmsg+0x723/0xbe0 [ 347.435456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 347.435456][ T10] ___sys_sendmsg+0xee/0x170 [ 347.435456][ T10] __sys_sendmsg+0xcd/0x170 [ 347.435456][ T10] do_syscall_64+0xc6/0x1e0 [ 347.435456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 347.435456][ T10] [ 347.437316][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 347.437316][ T10] neigh_parms_alloc+0x1e5/0x510 [ 347.437316][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 347.437316][ T10] ipv6_find_idev+0x102/0x170 [ 347.437316][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 347.437316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 347.437316][ T10] netlink_rcv_skb+0x130/0x360 [ 347.437316][ T10] netlink_unicast+0x449/0x710 [ 347.437316][ T10] netlink_sendmsg+0x723/0xbe0 [ 347.437316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 347.437316][ T10] ___sys_sendmsg+0xee/0x170 [ 347.437316][ T10] __sys_sendmsg+0xcd/0x170 [ 347.437316][ T10] do_syscall_64+0xc6/0x1e0 [ 347.437316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 347.437316][ T10] [ 347.439266][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 347.439606][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 347.439606][ T10] netdev_get_by_index+0x5e/0x80 [ 347.439606][ T10] fib6_nh_init+0x3d8/0x1580 [ 347.439606][ T10] ip6_route_info_create+0xf18/0x17d0 [ 347.439606][ T10] addrconf_f6i_alloc+0x265/0x560 [ 347.439606][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 347.439606][ T10] addrconf_join_anycast+0x1c0/0x220 [ 347.439606][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 347.439606][ T10] addrconf_dad_completed+0x12b/0xe20 [ 347.439606][ T10] addrconf_dad_begin+0x310/0x670 [ 347.439606][ T10] addrconf_dad_work+0x10b/0xab0 [ 347.439606][ T10] process_one_work+0x84d/0x18a0 [ 347.439606][ T10] worker_thread+0x587/0xd30 [ 347.439606][ T10] kthread+0x28a/0x350 [ 347.439606][ T10] ret_from_fork+0x31/0x70 [ 347.439606][ T10] ret_from_fork_asm+0x1a/0x30 [ 347.439606][ T10] [ 347.441788][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 347.441788][ T10] netdev_get_by_index+0x5e/0x80 [ 347.441788][ T10] fib6_nh_init+0x3d8/0x1580 [ 347.441788][ T10] ip6_route_info_create+0xf18/0x17d0 [ 347.441788][ T10] ip6_route_add+0x1c/0x140 [ 347.441788][ T10] addrconf_prefix_route+0x2a6/0x430 [ 347.441788][ T10] inet6_addr_add+0x4f8/0xa40 [ 347.441788][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 347.441788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 347.441788][ T10] netlink_rcv_skb+0x130/0x360 [ 347.441788][ T10] netlink_unicast+0x449/0x710 [ 347.441788][ T10] netlink_sendmsg+0x723/0xbe0 [ 347.441788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 347.441788][ T10] ___sys_sendmsg+0xee/0x170 [ 347.441788][ T10] __sys_sendmsg+0xcd/0x170 [ 347.441788][ T10] do_syscall_64+0xc6/0x1e0 [ 347.441788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 347.441788][ T10] [ 347.444006][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 347.444006][ T10] netdev_get_by_index+0x5e/0x80 [ 347.444006][ T10] fib6_nh_init+0x3d8/0x1580 [ 347.444006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 347.444006][ T10] addrconf_f6i_alloc+0x315/0x560 [ 347.444006][ T10] ipv6_add_addr+0x411/0x2000 [ 347.444006][ T10] inet6_addr_add+0x30e/0xa40 [ 347.444006][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 347.444006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 347.444006][ T10] netlink_rcv_skb+0x130/0x360 [ 347.444006][ T10] netlink_unicast+0x449/0x710 [ 347.444006][ T10] netlink_sendmsg+0x723/0xbe0 [ 347.444006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 347.444006][ T10] ___sys_sendmsg+0xee/0x170 [ 347.444006][ T10] __sys_sendmsg+0xcd/0x170 [ 347.444006][ T10] do_syscall_64+0xc6/0x1e0 [ 347.444006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 347.444006][ T10] [ 347.446195][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 347.446195][ T10] netdev_get_by_index+0x5e/0x80 [ 347.446195][ T10] fib6_nh_init+0x3d8/0x1580 [ 347.446195][ T10] ip6_route_info_create+0xf18/0x17d0 [ 347.446195][ T10] ip6_route_add+0x1c/0x140 [ 347.446195][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 347.446195][ T10] addrconf_add_dev+0xe2/0x170 [ 347.446195][ T10] inet6_addr_add+0x12f/0xa40 [ 347.446195][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 347.446195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 347.446195][ T10] netlink_rcv_skb+0x130/0x360 [ 347.446195][ T10] netlink_unicast+0x449/0x710 [ 347.446195][ T10] netlink_sendmsg+0x723/0xbe0 [ 347.446195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 347.446195][ T10] ___sys_sendmsg+0xee/0x170 [ 347.446195][ T10] __sys_sendmsg+0xcd/0x170 [ 347.446195][ T10] do_syscall_64+0xc6/0x1e0 [ 347.446195][ T10] [ 347.448327][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 347.448327][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 347.448327][ T10] ipv6_find_idev+0x102/0x170 [ 347.448327][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 347.448327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 347.448327][ T10] netlink_rcv_skb+0x130/0x360 [ 347.448327][ T10] netlink_unicast+0x449/0x710 [ 347.448327][ T10] netlink_sendmsg+0x723/0xbe0 [ 347.448327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 347.448327][ T10] ___sys_sendmsg+0xee/0x170 [ 347.448327][ T10] __sys_sendmsg+0xcd/0x170 [ 347.448327][ T10] do_syscall_64+0xc6/0x1e0 [ 347.448327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 347.448327][ T10] [ 347.450010][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 347.450010][ T10] neigh_parms_alloc+0x1e5/0x510 [ 347.450010][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 347.450010][ T10] ipv6_find_idev+0x102/0x170 [ 347.450010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 347.450010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 347.450010][ T10] netlink_rcv_skb+0x130/0x360 [ 347.450010][ T10] netlink_unicast+0x449/0x710 [ 347.450010][ T10] netlink_sendmsg+0x723/0xbe0 [ 347.450010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 347.450010][ T10] ___sys_sendmsg+0xee/0x170 [ 347.450010][ T10] __sys_sendmsg+0xcd/0x170 [ 347.450010][ T10] do_syscall_64+0xc6/0x1e0 [ 347.450010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 347.450010][ T10] [ 350.697090][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 350.697546][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 350.697546][ T1167] dst_init+0x84/0x4a0 [ 350.697546][ T1167] dst_alloc+0x97/0x150 [ 350.697546][ T1167] ip6_dst_alloc+0x23/0x90 [ 350.697546][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 350.697546][ T1167] ip6_pol_route+0x56f/0x840 [ 350.697546][ T1167] fib6_rule_lookup+0x334/0x630 [ 350.697546][ T1167] ip6_route_output_flags+0x259/0x480 [ 350.697546][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 350.697546][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 350.697546][ T1167] netlink_rcv_skb+0x130/0x360 [ 350.697546][ T1167] netlink_unicast+0x449/0x710 [ 350.697546][ T1167] netlink_sendmsg+0x723/0xbe0 [ 350.697546][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 350.697546][ T1167] ___sys_sendmsg+0xee/0x170 [ 350.697546][ T1167] __sys_sendmsg+0xcd/0x170 [ 350.697546][ T1167] do_syscall_64+0xc6/0x1e0 [ 350.697546][ T1167] [ 350.699799][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 350.699799][ T1167] netdev_get_by_index+0x5e/0x80 [ 350.699799][ T1167] fib6_nh_init+0x3d8/0x1580 [ 350.699799][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 350.699799][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 350.699799][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 350.699799][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 350.699799][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 350.699799][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 350.699799][ T1167] addrconf_dad_begin+0x310/0x670 [ 350.699799][ T1167] addrconf_dad_work+0x10b/0xab0 [ 350.699799][ T1167] process_one_work+0x84d/0x18a0 [ 350.699799][ T1167] worker_thread+0x587/0xd30 [ 350.699799][ T1167] kthread+0x28a/0x350 [ 350.699799][ T1167] ret_from_fork+0x31/0x70 [ 350.699799][ T1167] ret_from_fork_asm+0x1a/0x30 [ 350.699799][ T1167] [ 350.701937][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 350.701937][ T1167] netdev_get_by_index+0x5e/0x80 [ 350.701937][ T1167] fib6_nh_init+0x3d8/0x1580 [ 350.701937][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 350.701937][ T1167] ip6_route_add+0x1c/0x140 [ 350.701937][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 350.701937][ T1167] inet6_addr_add+0x4f8/0xa40 [ 350.701937][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 350.701937][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 350.701937][ T1167] netlink_rcv_skb+0x130/0x360 [ 350.701937][ T1167] netlink_unicast+0x449/0x710 [ 350.701937][ T1167] netlink_sendmsg+0x723/0xbe0 [ 350.701937][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 350.701937][ T1167] ___sys_sendmsg+0xee/0x170 [ 350.701937][ T1167] __sys_sendmsg+0xcd/0x170 [ 350.701937][ T1167] do_syscall_64+0xc6/0x1e0 [ 350.701937][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 350.701937][ T1167] [ 350.704175][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 350.704175][ T1167] netdev_get_by_index+0x5e/0x80 [ 350.704175][ T1167] fib6_nh_init+0x3d8/0x1580 [ 350.704175][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 350.704175][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 350.704175][ T1167] ipv6_add_addr+0x411/0x2000 [ 350.704175][ T1167] inet6_addr_add+0x30e/0xa40 [ 350.704175][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 350.704175][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 350.704175][ T1167] netlink_rcv_skb+0x130/0x360 [ 350.704175][ T1167] netlink_unicast+0x449/0x710 [ 350.704175][ T1167] netlink_sendmsg+0x723/0xbe0 [ 350.704175][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 350.704175][ T1167] ___sys_sendmsg+0xee/0x170 [ 350.704175][ T1167] __sys_sendmsg+0xcd/0x170 [ 350.704175][ T1167] do_syscall_64+0xc6/0x1e0 [ 350.704175][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 350.704175][ T1167] [ 350.706410][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 350.706410][ T1167] netdev_get_by_index+0x5e/0x80 [ 350.706410][ T1167] fib6_nh_init+0x3d8/0x1580 [ 350.706410][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 350.706410][ T1167] ip6_route_add+0x1c/0x140 [ 350.706410][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 350.706410][ T1167] addrconf_add_dev+0xe2/0x170 [ 350.706410][ T1167] inet6_addr_add+0x12f/0xa40 [ 350.706410][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 350.706410][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 350.706410][ T1167] netlink_rcv_skb+0x130/0x360 [ 350.706410][ T1167] netlink_unicast+0x449/0x710 [ 350.706410][ T1167] netlink_sendmsg+0x723/0xbe0 [ 350.706410][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 350.706410][ T1167] ___sys_sendmsg+0xee/0x170 [ 350.706410][ T1167] __sys_sendmsg+0xcd/0x170 [ 350.706410][ T1167] do_syscall_64+0xc6/0x1e0 [ 350.706410][ T1167] [ 350.708670][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 350.708670][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 350.708670][ T1167] ipv6_find_idev+0x102/0x170 [ 350.708670][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 350.708670][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 350.708670][ T1167] netlink_rcv_skb+0x130/0x360 [ 350.708670][ T1167] netlink_unicast+0x449/0x710 [ 350.708670][ T1167] netlink_sendmsg+0x723/0xbe0 [ 350.708670][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 350.708670][ T1167] ___sys_sendmsg+0xee/0x170 [ 350.708670][ T1167] __sys_sendmsg+0xcd/0x170 [ 350.708670][ T1167] do_syscall_64+0xc6/0x1e0 [ 350.708670][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 350.708670][ T1167] [ 350.710414][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 350.710414][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 350.710414][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 350.710414][ T1167] ipv6_find_idev+0x102/0x170 [ 350.710414][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 350.710414][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 350.710414][ T1167] netlink_rcv_skb+0x130/0x360 [ 350.710414][ T1167] netlink_unicast+0x449/0x710 [ 350.710414][ T1167] netlink_sendmsg+0x723/0xbe0 [ 350.710414][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 350.710414][ T1167] ___sys_sendmsg+0xee/0x170 [ 350.710414][ T1167] __sys_sendmsg+0xcd/0x170 [ 350.710414][ T1167] do_syscall_64+0xc6/0x1e0 [ 350.710414][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 350.710414][ T1167] [ 357.689083][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 357.689486][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 357.689486][ T10] netdev_get_by_index+0x5e/0x80 [ 357.689486][ T10] fib6_nh_init+0x3d8/0x1580 [ 357.689486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 357.689486][ T10] addrconf_f6i_alloc+0x265/0x560 [ 357.689486][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 357.689486][ T10] addrconf_join_anycast+0x1c0/0x220 [ 357.689486][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 357.689486][ T10] addrconf_dad_completed+0x12b/0xe20 [ 357.689486][ T10] addrconf_dad_begin+0x310/0x670 [ 357.689486][ T10] addrconf_dad_work+0x10b/0xab0 [ 357.689486][ T10] process_one_work+0x84d/0x18a0 [ 357.689486][ T10] worker_thread+0x587/0xd30 [ 357.689486][ T10] kthread+0x28a/0x350 [ 357.689486][ T10] ret_from_fork+0x31/0x70 [ 357.689486][ T10] ret_from_fork_asm+0x1a/0x30 [ 357.689486][ T10] [ 357.691676][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 357.691676][ T10] netdev_get_by_index+0x5e/0x80 [ 357.691676][ T10] fib6_nh_init+0x3d8/0x1580 [ 357.691676][ T10] ip6_route_info_create+0xf18/0x17d0 [ 357.691676][ T10] ip6_route_add+0x1c/0x140 [ 357.691676][ T10] addrconf_prefix_route+0x2a6/0x430 [ 357.691676][ T10] inet6_addr_add+0x4f8/0xa40 [ 357.691676][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 357.691676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 357.691676][ T10] netlink_rcv_skb+0x130/0x360 [ 357.691676][ T10] netlink_unicast+0x449/0x710 [ 357.691676][ T10] netlink_sendmsg+0x723/0xbe0 [ 357.691676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 357.691676][ T10] ___sys_sendmsg+0xee/0x170 [ 357.691676][ T10] __sys_sendmsg+0xcd/0x170 [ 357.691676][ T10] do_syscall_64+0xc6/0x1e0 [ 357.691676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 357.691676][ T10] [ 357.693924][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 357.693924][ T10] netdev_get_by_index+0x5e/0x80 [ 357.693924][ T10] fib6_nh_init+0x3d8/0x1580 [ 357.693924][ T10] ip6_route_info_create+0xf18/0x17d0 [ 357.693924][ T10] addrconf_f6i_alloc+0x315/0x560 [ 357.693924][ T10] ipv6_add_addr+0x411/0x2000 [ 357.693924][ T10] inet6_addr_add+0x30e/0xa40 [ 357.693924][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 357.693924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 357.693924][ T10] netlink_rcv_skb+0x130/0x360 [ 357.693924][ T10] netlink_unicast+0x449/0x710 [ 357.693924][ T10] netlink_sendmsg+0x723/0xbe0 [ 357.693924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 357.693924][ T10] ___sys_sendmsg+0xee/0x170 [ 357.693924][ T10] __sys_sendmsg+0xcd/0x170 [ 357.693924][ T10] do_syscall_64+0xc6/0x1e0 [ 357.693924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 357.693924][ T10] [ 357.696173][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 357.696173][ T10] netdev_get_by_index+0x5e/0x80 [ 357.696173][ T10] fib6_nh_init+0x3d8/0x1580 [ 357.696173][ T10] ip6_route_info_create+0xf18/0x17d0 [ 357.696173][ T10] ip6_route_add+0x1c/0x140 [ 357.696173][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 357.696173][ T10] addrconf_add_dev+0xe2/0x170 [ 357.696173][ T10] inet6_addr_add+0x12f/0xa40 [ 357.696173][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 357.696173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 357.696173][ T10] netlink_rcv_skb+0x130/0x360 [ 357.696173][ T10] netlink_unicast+0x449/0x710 [ 357.696173][ T10] netlink_sendmsg+0x723/0xbe0 [ 357.696173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 357.696173][ T10] ___sys_sendmsg+0xee/0x170 [ 357.696173][ T10] __sys_sendmsg+0xcd/0x170 [ 357.696173][ T10] do_syscall_64+0xc6/0x1e0 [ 357.696173][ T10] [ 357.698285][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 357.698285][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 357.698285][ T10] ipv6_find_idev+0x102/0x170 [ 357.698285][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 357.698285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 357.698285][ T10] netlink_rcv_skb+0x130/0x360 [ 357.698285][ T10] netlink_unicast+0x449/0x710 [ 357.698285][ T10] netlink_sendmsg+0x723/0xbe0 [ 357.698285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 357.698285][ T10] ___sys_sendmsg+0xee/0x170 [ 357.698285][ T10] __sys_sendmsg+0xcd/0x170 [ 357.698285][ T10] do_syscall_64+0xc6/0x1e0 [ 357.698285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 357.698285][ T10] [ 357.699852][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 357.699852][ T10] neigh_parms_alloc+0x1e5/0x510 [ 357.699852][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 357.699852][ T10] ipv6_find_idev+0x102/0x170 [ 357.699852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 357.699852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 357.699852][ T10] netlink_rcv_skb+0x130/0x360 [ 357.699852][ T10] netlink_unicast+0x449/0x710 [ 357.699852][ T10] netlink_sendmsg+0x723/0xbe0 [ 357.699852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 357.699852][ T10] ___sys_sendmsg+0xee/0x170 [ 357.699852][ T10] __sys_sendmsg+0xcd/0x170 [ 357.699852][ T10] do_syscall_64+0xc6/0x1e0 [ 357.699852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 357.699852][ T10] [ 357.701612][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 357.701868][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 357.701868][ T10] netdev_get_by_index+0x5e/0x80 [ 357.701868][ T10] fib6_nh_init+0x3d8/0x1580 [ 357.701868][ T10] ip6_route_info_create+0xf18/0x17d0 [ 357.701868][ T10] addrconf_f6i_alloc+0x265/0x560 [ 357.701868][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 357.701868][ T10] addrconf_join_anycast+0x1c0/0x220 [ 357.701868][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 357.701868][ T10] addrconf_dad_completed+0x12b/0xe20 [ 357.701868][ T10] addrconf_dad_begin+0x310/0x670 [ 357.701868][ T10] addrconf_dad_work+0x10b/0xab0 [ 357.701868][ T10] process_one_work+0x84d/0x18a0 [ 357.701868][ T10] worker_thread+0x587/0xd30 [ 357.701868][ T10] kthread+0x28a/0x350 [ 357.701868][ T10] ret_from_fork+0x31/0x70 [ 357.701868][ T10] ret_from_fork_asm+0x1a/0x30 [ 357.701868][ T10] [ 357.703912][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 357.703912][ T10] netdev_get_by_index+0x5e/0x80 [ 357.703912][ T10] fib6_nh_init+0x3d8/0x1580 [ 357.703912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 357.703912][ T10] ip6_route_add+0x1c/0x140 [ 357.703912][ T10] addrconf_prefix_route+0x2a6/0x430 [ 357.703912][ T10] inet6_addr_add+0x4f8/0xa40 [ 357.703912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 357.703912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 357.703912][ T10] netlink_rcv_skb+0x130/0x360 [ 357.703912][ T10] netlink_unicast+0x449/0x710 [ 357.703912][ T10] netlink_sendmsg+0x723/0xbe0 [ 357.703912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 357.703912][ T10] ___sys_sendmsg+0xee/0x170 [ 357.703912][ T10] __sys_sendmsg+0xcd/0x170 [ 357.703912][ T10] do_syscall_64+0xc6/0x1e0 [ 357.703912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 357.703912][ T10] [ 357.705951][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 357.705951][ T10] netdev_get_by_index+0x5e/0x80 [ 357.705951][ T10] fib6_nh_init+0x3d8/0x1580 [ 357.705951][ T10] ip6_route_info_create+0xf18/0x17d0 [ 357.705951][ T10] addrconf_f6i_alloc+0x315/0x560 [ 357.705951][ T10] ipv6_add_addr+0x411/0x2000 [ 357.705951][ T10] inet6_addr_add+0x30e/0xa40 [ 357.705951][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 357.705951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 357.705951][ T10] netlink_rcv_skb+0x130/0x360 [ 357.705951][ T10] netlink_unicast+0x449/0x710 [ 357.705951][ T10] netlink_sendmsg+0x723/0xbe0 [ 357.705951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 357.705951][ T10] ___sys_sendmsg+0xee/0x170 [ 357.705951][ T10] __sys_sendmsg+0xcd/0x170 [ 357.705951][ T10] do_syscall_64+0xc6/0x1e0 [ 357.705951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 357.705951][ T10] [ 357.708002][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 357.708002][ T10] netdev_get_by_index+0x5e/0x80 [ 357.708002][ T10] fib6_nh_init+0x3d8/0x1580 [ 357.708002][ T10] ip6_route_info_create+0xf18/0x17d0 [ 357.708002][ T10] ip6_route_add+0x1c/0x140 [ 357.708002][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 357.708002][ T10] addrconf_add_dev+0xe2/0x170 [ 357.708002][ T10] inet6_addr_add+0x12f/0xa40 [ 357.708002][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 357.708002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 357.708002][ T10] netlink_rcv_skb+0x130/0x360 [ 357.708002][ T10] netlink_unicast+0x449/0x710 [ 357.708002][ T10] netlink_sendmsg+0x723/0xbe0 [ 357.708002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 357.708002][ T10] ___sys_sendmsg+0xee/0x170 [ 357.708002][ T10] __sys_sendmsg+0xcd/0x170 [ 357.708002][ T10] do_syscall_64+0xc6/0x1e0 [ 357.708002][ T10] [ 357.710065][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 357.710065][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 357.710065][ T10] ipv6_find_idev+0x102/0x170 [ 357.710065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 357.710065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 357.710065][ T10] netlink_rcv_skb+0x130/0x360 [ 357.710065][ T10] netlink_unicast+0x449/0x710 [ 357.710065][ T10] netlink_sendmsg+0x723/0xbe0 [ 357.710065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 357.710065][ T10] ___sys_sendmsg+0xee/0x170 [ 357.710065][ T10] __sys_sendmsg+0xcd/0x170 [ 357.710065][ T10] do_syscall_64+0xc6/0x1e0 [ 357.710065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 357.710065][ T10] [ 357.711772][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 357.711772][ T10] neigh_parms_alloc+0x1e5/0x510 [ 357.711772][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 357.711772][ T10] ipv6_find_idev+0x102/0x170 [ 357.711772][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 357.711772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 357.711772][ T10] netlink_rcv_skb+0x130/0x360 [ 357.711772][ T10] netlink_unicast+0x449/0x710 [ 357.711772][ T10] netlink_sendmsg+0x723/0xbe0 [ 357.711772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 357.711772][ T10] ___sys_sendmsg+0xee/0x170 [ 357.711772][ T10] __sys_sendmsg+0xcd/0x170 [ 357.711772][ T10] do_syscall_64+0xc6/0x1e0 [ 357.711772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 357.711772][ T10] [ 357.713617][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 357.713865][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 357.713865][ T10] netdev_get_by_index+0x5e/0x80 [ 357.713865][ T10] fib6_nh_init+0x3d8/0x1580 [ 357.713865][ T10] ip6_route_info_create+0xf18/0x17d0 [ 357.713865][ T10] addrconf_f6i_alloc+0x265/0x560 [ 357.713865][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 357.713865][ T10] addrconf_join_anycast+0x1c0/0x220 [ 357.713865][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 357.713865][ T10] addrconf_dad_completed+0x12b/0xe20 [ 357.713865][ T10] addrconf_dad_begin+0x310/0x670 [ 357.713865][ T10] addrconf_dad_work+0x10b/0xab0 [ 357.713865][ T10] process_one_work+0x84d/0x18a0 [ 357.713865][ T10] worker_thread+0x587/0xd30 [ 357.713865][ T10] kthread+0x28a/0x350 [ 357.713865][ T10] ret_from_fork+0x31/0x70 [ 357.713865][ T10] ret_from_fork_asm+0x1a/0x30 [ 357.713865][ T10] [ 357.715877][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 357.715877][ T10] netdev_get_by_index+0x5e/0x80 [ 357.715877][ T10] fib6_nh_init+0x3d8/0x1580 [ 357.715877][ T10] ip6_route_info_create+0xf18/0x17d0 [ 357.715877][ T10] ip6_route_add+0x1c/0x140 [ 357.715877][ T10] addrconf_prefix_route+0x2a6/0x430 [ 357.715877][ T10] inet6_addr_add+0x4f8/0xa40 [ 357.715877][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 357.715877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 357.715877][ T10] netlink_rcv_skb+0x130/0x360 [ 357.715877][ T10] netlink_unicast+0x449/0x710 [ 357.715877][ T10] netlink_sendmsg+0x723/0xbe0 [ 357.715877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 357.715877][ T10] ___sys_sendmsg+0xee/0x170 [ 357.715877][ T10] __sys_sendmsg+0xcd/0x170 [ 357.715877][ T10] do_syscall_64+0xc6/0x1e0 [ 357.715877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 357.715877][ T10] [ 357.718189][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 357.718189][ T10] netdev_get_by_index+0x5e/0x80 [ 357.718189][ T10] fib6_nh_init+0x3d8/0x1580 [ 357.718189][ T10] ip6_route_info_create+0xf18/0x17d0 [ 357.718189][ T10] addrconf_f6i_alloc+0x315/0x560 [ 357.718189][ T10] ipv6_add_addr+0x411/0x2000 [ 357.718189][ T10] inet6_addr_add+0x30e/0xa40 [ 357.718189][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 357.718189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 357.718189][ T10] netlink_rcv_skb+0x130/0x360 [ 357.718189][ T10] netlink_unicast+0x449/0x710 [ 357.718189][ T10] netlink_sendmsg+0x723/0xbe0 [ 357.718189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 357.718189][ T10] ___sys_sendmsg+0xee/0x170 [ 357.718189][ T10] __sys_sendmsg+0xcd/0x170 [ 357.718189][ T10] do_syscall_64+0xc6/0x1e0 [ 357.718189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 357.718189][ T10] [ 357.720582][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 357.720582][ T10] netdev_get_by_index+0x5e/0x80 [ 357.720582][ T10] fib6_nh_init+0x3d8/0x1580 [ 357.720582][ T10] ip6_route_info_create+0xf18/0x17d0 [ 357.720582][ T10] ip6_route_add+0x1c/0x140 [ 357.720582][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 357.720582][ T10] addrconf_add_dev+0xe2/0x170 [ 357.720582][ T10] inet6_addr_add+0x12f/0xa40 [ 357.720582][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 357.720582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 357.720582][ T10] netlink_rcv_skb+0x130/0x360 [ 357.720582][ T10] netlink_unicast+0x449/0x710 [ 357.720582][ T10] netlink_sendmsg+0x723/0xbe0 [ 357.720582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 357.720582][ T10] ___sys_sendmsg+0xee/0x170 [ 357.720582][ T10] __sys_sendmsg+0xcd/0x170 [ 357.720582][ T10] do_syscall_64+0xc6/0x1e0 [ 357.720582][ T10] [ 357.722920][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 357.722920][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 357.722920][ T10] ipv6_find_idev+0x102/0x170 [ 357.722920][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 357.722920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 357.722920][ T10] netlink_rcv_skb+0x130/0x360 [ 357.722920][ T10] netlink_unicast+0x449/0x710 [ 357.722920][ T10] netlink_sendmsg+0x723/0xbe0 [ 357.722920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 357.722920][ T10] ___sys_sendmsg+0xee/0x170 [ 357.722920][ T10] __sys_sendmsg+0xcd/0x170 [ 357.722920][ T10] do_syscall_64+0xc6/0x1e0 [ 357.722920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 357.722920][ T10] [ 357.724729][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 357.724729][ T10] neigh_parms_alloc+0x1e5/0x510 [ 357.724729][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 357.724729][ T10] ipv6_find_idev+0x102/0x170 [ 357.724729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 357.724729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 357.724729][ T10] netlink_rcv_skb+0x130/0x360 [ 357.724729][ T10] netlink_unicast+0x449/0x710 [ 357.724729][ T10] netlink_sendmsg+0x723/0xbe0 [ 357.724729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 357.724729][ T10] ___sys_sendmsg+0xee/0x170 [ 357.724729][ T10] __sys_sendmsg+0xcd/0x170 [ 357.724729][ T10] do_syscall_64+0xc6/0x1e0 [ 357.724729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 357.724729][ T10] [ 357.726785][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 357.727580][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 357.727580][ T10] netdev_get_by_index+0x5e/0x80 [ 357.727580][ T10] fib6_nh_init+0x3d8/0x1580 [ 357.727580][ T10] ip6_route_info_create+0xf18/0x17d0 [ 357.727580][ T10] addrconf_f6i_alloc+0x265/0x560 [ 357.727580][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 357.727580][ T10] addrconf_join_anycast+0x1c0/0x220 [ 357.727580][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 357.727580][ T10] addrconf_dad_completed+0x12b/0xe20 [ 357.727580][ T10] addrconf_dad_begin+0x310/0x670 [ 357.727580][ T10] addrconf_dad_work+0x10b/0xab0 [ 357.727580][ T10] process_one_work+0x84d/0x18a0 [ 357.727580][ T10] worker_thread+0x587/0xd30 [ 357.727580][ T10] kthread+0x28a/0x350 [ 357.727580][ T10] ret_from_fork+0x31/0x70 [ 357.727580][ T10] ret_from_fork_asm+0x1a/0x30 [ 357.727580][ T10] [ 357.729512][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 357.729512][ T10] netdev_get_by_index+0x5e/0x80 [ 357.729512][ T10] fib6_nh_init+0x3d8/0x1580 [ 357.729512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 357.729512][ T10] ip6_route_add+0x1c/0x140 [ 357.729512][ T10] addrconf_prefix_route+0x2a6/0x430 [ 357.729512][ T10] inet6_addr_add+0x4f8/0xa40 [ 357.729512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 357.729512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 357.729512][ T10] netlink_rcv_skb+0x130/0x360 [ 357.729512][ T10] netlink_unicast+0x449/0x710 [ 357.729512][ T10] netlink_sendmsg+0x723/0xbe0 [ 357.729512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 357.729512][ T10] ___sys_sendmsg+0xee/0x170 [ 357.729512][ T10] __sys_sendmsg+0xcd/0x170 [ 357.729512][ T10] do_syscall_64+0xc6/0x1e0 [ 357.729512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 357.729512][ T10] [ 357.731578][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 357.731578][ T10] netdev_get_by_index+0x5e/0x80 [ 357.731578][ T10] fib6_nh_init+0x3d8/0x1580 [ 357.731578][ T10] ip6_route_info_create+0xf18/0x17d0 [ 357.731578][ T10] addrconf_f6i_alloc+0x315/0x560 [ 357.731578][ T10] ipv6_add_addr+0x411/0x2000 [ 357.731578][ T10] inet6_addr_add+0x30e/0xa40 [ 357.731578][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 357.731578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 357.731578][ T10] netlink_rcv_skb+0x130/0x360 [ 357.731578][ T10] netlink_unicast+0x449/0x710 [ 357.731578][ T10] netlink_sendmsg+0x723/0xbe0 [ 357.731578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 357.731578][ T10] ___sys_sendmsg+0xee/0x170 [ 357.731578][ T10] __sys_sendmsg+0xcd/0x170 [ 357.731578][ T10] do_syscall_64+0xc6/0x1e0 [ 357.731578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 357.731578][ T10] [ 357.733831][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 357.733831][ T10] netdev_get_by_index+0x5e/0x80 [ 357.733831][ T10] fib6_nh_init+0x3d8/0x1580 [ 357.733831][ T10] ip6_route_info_create+0xf18/0x17d0 [ 357.733831][ T10] ip6_route_add+0x1c/0x140 [ 357.733831][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 357.733831][ T10] addrconf_add_dev+0xe2/0x170 [ 357.733831][ T10] inet6_addr_add+0x12f/0xa40 [ 357.733831][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 357.733831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 357.733831][ T10] netlink_rcv_skb+0x130/0x360 [ 357.733831][ T10] netlink_unicast+0x449/0x710 [ 357.733831][ T10] netlink_sendmsg+0x723/0xbe0 [ 357.733831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 357.733831][ T10] ___sys_sendmsg+0xee/0x170 [ 357.733831][ T10] __sys_sendmsg+0xcd/0x170 [ 357.733831][ T10] do_syscall_64+0xc6/0x1e0 [ 357.733831][ T10] [ 357.736133][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 357.736133][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 357.736133][ T10] ipv6_find_idev+0x102/0x170 [ 357.736133][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 357.736133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 357.736133][ T10] netlink_rcv_skb+0x130/0x360 [ 357.736133][ T10] netlink_unicast+0x449/0x710 [ 357.736133][ T10] netlink_sendmsg+0x723/0xbe0 [ 357.736133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 357.736133][ T10] ___sys_sendmsg+0xee/0x170 [ 357.736133][ T10] __sys_sendmsg+0xcd/0x170 [ 357.736133][ T10] do_syscall_64+0xc6/0x1e0 [ 357.736133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 357.736133][ T10] [ 357.737981][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 357.737981][ T10] neigh_parms_alloc+0x1e5/0x510 [ 357.737981][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 357.737981][ T10] ipv6_find_idev+0x102/0x170 [ 357.737981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 357.737981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 357.737981][ T10] netlink_rcv_skb+0x130/0x360 [ 357.737981][ T10] netlink_unicast+0x449/0x710 [ 357.737981][ T10] netlink_sendmsg+0x723/0xbe0 [ 357.737981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 357.737981][ T10] ___sys_sendmsg+0xee/0x170 [ 357.737981][ T10] __sys_sendmsg+0xcd/0x170 [ 357.737981][ T10] do_syscall_64+0xc6/0x1e0 [ 357.737981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 357.737981][ T10] [ 360.953099][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 360.953602][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 360.953602][ T1167] dst_init+0x84/0x4a0 [ 360.953602][ T1167] dst_alloc+0x97/0x150 [ 360.953602][ T1167] ip6_dst_alloc+0x23/0x90 [ 360.953602][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 360.953602][ T1167] ip6_pol_route+0x56f/0x840 [ 360.953602][ T1167] fib6_rule_lookup+0x334/0x630 [ 360.953602][ T1167] ip6_route_output_flags+0x259/0x480 [ 360.953602][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 360.953602][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 360.953602][ T1167] netlink_rcv_skb+0x130/0x360 [ 360.953602][ T1167] netlink_unicast+0x449/0x710 [ 360.953602][ T1167] netlink_sendmsg+0x723/0xbe0 [ 360.953602][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 360.953602][ T1167] ___sys_sendmsg+0xee/0x170 [ 360.953602][ T1167] __sys_sendmsg+0xcd/0x170 [ 360.953602][ T1167] do_syscall_64+0xc6/0x1e0 [ 360.953602][ T1167] [ 360.956280][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 360.956280][ T1167] netdev_get_by_index+0x5e/0x80 [ 360.956280][ T1167] fib6_nh_init+0x3d8/0x1580 [ 360.956280][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 360.956280][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 360.956280][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 360.956280][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 360.956280][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 360.956280][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 360.956280][ T1167] addrconf_dad_begin+0x310/0x670 [ 360.956280][ T1167] addrconf_dad_work+0x10b/0xab0 [ 360.956280][ T1167] process_one_work+0x84d/0x18a0 [ 360.956280][ T1167] worker_thread+0x587/0xd30 [ 360.956280][ T1167] kthread+0x28a/0x350 [ 360.956280][ T1167] ret_from_fork+0x31/0x70 [ 360.956280][ T1167] ret_from_fork_asm+0x1a/0x30 [ 360.956280][ T1167] [ 360.958912][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 360.958912][ T1167] netdev_get_by_index+0x5e/0x80 [ 360.958912][ T1167] fib6_nh_init+0x3d8/0x1580 [ 360.958912][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 360.958912][ T1167] ip6_route_add+0x1c/0x140 [ 360.958912][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 360.958912][ T1167] inet6_addr_add+0x4f8/0xa40 [ 360.958912][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 360.958912][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 360.958912][ T1167] netlink_rcv_skb+0x130/0x360 [ 360.958912][ T1167] netlink_unicast+0x449/0x710 [ 360.958912][ T1167] netlink_sendmsg+0x723/0xbe0 [ 360.958912][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 360.958912][ T1167] ___sys_sendmsg+0xee/0x170 [ 360.958912][ T1167] __sys_sendmsg+0xcd/0x170 [ 360.958912][ T1167] do_syscall_64+0xc6/0x1e0 [ 360.958912][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 360.958912][ T1167] [ 360.961615][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 360.961615][ T1167] netdev_get_by_index+0x5e/0x80 [ 360.961615][ T1167] fib6_nh_init+0x3d8/0x1580 [ 360.961615][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 360.961615][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 360.961615][ T1167] ipv6_add_addr+0x411/0x2000 [ 360.961615][ T1167] inet6_addr_add+0x30e/0xa40 [ 360.961615][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 360.961615][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 360.961615][ T1167] netlink_rcv_skb+0x130/0x360 [ 360.961615][ T1167] netlink_unicast+0x449/0x710 [ 360.961615][ T1167] netlink_sendmsg+0x723/0xbe0 [ 360.961615][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 360.961615][ T1167] ___sys_sendmsg+0xee/0x170 [ 360.961615][ T1167] __sys_sendmsg+0xcd/0x170 [ 360.961615][ T1167] do_syscall_64+0xc6/0x1e0 [ 360.961615][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 360.961615][ T1167] [ 360.964084][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 360.964084][ T1167] netdev_get_by_index+0x5e/0x80 [ 360.964084][ T1167] fib6_nh_init+0x3d8/0x1580 [ 360.964084][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 360.964084][ T1167] ip6_route_add+0x1c/0x140 [ 360.964084][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 360.964084][ T1167] addrconf_add_dev+0xe2/0x170 [ 360.964084][ T1167] inet6_addr_add+0x12f/0xa40 [ 360.964084][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 360.964084][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 360.964084][ T1167] netlink_rcv_skb+0x130/0x360 [ 360.964084][ T1167] netlink_unicast+0x449/0x710 [ 360.964084][ T1167] netlink_sendmsg+0x723/0xbe0 [ 360.964084][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 360.964084][ T1167] ___sys_sendmsg+0xee/0x170 [ 360.964084][ T1167] __sys_sendmsg+0xcd/0x170 [ 360.964084][ T1167] do_syscall_64+0xc6/0x1e0 [ 360.964084][ T1167] [ 360.966511][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 360.966511][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 360.966511][ T1167] ipv6_find_idev+0x102/0x170 [ 360.966511][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 360.966511][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 360.966511][ T1167] netlink_rcv_skb+0x130/0x360 [ 360.966511][ T1167] netlink_unicast+0x449/0x710 [ 360.966511][ T1167] netlink_sendmsg+0x723/0xbe0 [ 360.966511][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 360.966511][ T1167] ___sys_sendmsg+0xee/0x170 [ 360.966511][ T1167] __sys_sendmsg+0xcd/0x170 [ 360.966511][ T1167] do_syscall_64+0xc6/0x1e0 [ 360.966511][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 360.966511][ T1167] [ 360.968425][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 360.968425][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 360.968425][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 360.968425][ T1167] ipv6_find_idev+0x102/0x170 [ 360.968425][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 360.968425][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 360.968425][ T1167] netlink_rcv_skb+0x130/0x360 [ 360.968425][ T1167] netlink_unicast+0x449/0x710 [ 360.968425][ T1167] netlink_sendmsg+0x723/0xbe0 [ 360.968425][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 360.968425][ T1167] ___sys_sendmsg+0xee/0x170 [ 360.968425][ T1167] __sys_sendmsg+0xcd/0x170 [ 360.968425][ T1167] do_syscall_64+0xc6/0x1e0 [ 360.968425][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 360.968425][ T1167] [ 367.977109][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 367.977552][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 367.977552][ T10] netdev_get_by_index+0x5e/0x80 [ 367.977552][ T10] fib6_nh_init+0x3d8/0x1580 [ 367.977552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 367.977552][ T10] addrconf_f6i_alloc+0x265/0x560 [ 367.977552][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 367.977552][ T10] addrconf_join_anycast+0x1c0/0x220 [ 367.977552][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 367.977552][ T10] addrconf_dad_completed+0x12b/0xe20 [ 367.977552][ T10] addrconf_dad_begin+0x310/0x670 [ 367.977552][ T10] addrconf_dad_work+0x10b/0xab0 [ 367.977552][ T10] process_one_work+0x84d/0x18a0 [ 367.977552][ T10] worker_thread+0x587/0xd30 [ 367.977552][ T10] kthread+0x28a/0x350 [ 367.977552][ T10] ret_from_fork+0x31/0x70 [ 367.977552][ T10] ret_from_fork_asm+0x1a/0x30 [ 367.977552][ T10] [ 367.979911][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 367.979911][ T10] netdev_get_by_index+0x5e/0x80 [ 367.979911][ T10] fib6_nh_init+0x3d8/0x1580 [ 367.979911][ T10] ip6_route_info_create+0xf18/0x17d0 [ 367.979911][ T10] ip6_route_add+0x1c/0x140 [ 367.979911][ T10] addrconf_prefix_route+0x2a6/0x430 [ 367.979911][ T10] inet6_addr_add+0x4f8/0xa40 [ 367.979911][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 367.979911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 367.979911][ T10] netlink_rcv_skb+0x130/0x360 [ 367.979911][ T10] netlink_unicast+0x449/0x710 [ 367.979911][ T10] netlink_sendmsg+0x723/0xbe0 [ 367.979911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 367.979911][ T10] ___sys_sendmsg+0xee/0x170 [ 367.979911][ T10] __sys_sendmsg+0xcd/0x170 [ 367.979911][ T10] do_syscall_64+0xc6/0x1e0 [ 367.979911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 367.979911][ T10] [ 367.982327][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 367.982327][ T10] netdev_get_by_index+0x5e/0x80 [ 367.982327][ T10] fib6_nh_init+0x3d8/0x1580 [ 367.982327][ T10] ip6_route_info_create+0xf18/0x17d0 [ 367.982327][ T10] addrconf_f6i_alloc+0x315/0x560 [ 367.982327][ T10] ipv6_add_addr+0x411/0x2000 [ 367.982327][ T10] inet6_addr_add+0x30e/0xa40 [ 367.982327][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 367.982327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 367.982327][ T10] netlink_rcv_skb+0x130/0x360 [ 367.982327][ T10] netlink_unicast+0x449/0x710 [ 367.982327][ T10] netlink_sendmsg+0x723/0xbe0 [ 367.982327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 367.982327][ T10] ___sys_sendmsg+0xee/0x170 [ 367.982327][ T10] __sys_sendmsg+0xcd/0x170 [ 367.982327][ T10] do_syscall_64+0xc6/0x1e0 [ 367.982327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 367.982327][ T10] [ 367.984750][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 367.984750][ T10] netdev_get_by_index+0x5e/0x80 [ 367.984750][ T10] fib6_nh_init+0x3d8/0x1580 [ 367.984750][ T10] ip6_route_info_create+0xf18/0x17d0 [ 367.984750][ T10] ip6_route_add+0x1c/0x140 [ 367.984750][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 367.984750][ T10] addrconf_add_dev+0xe2/0x170 [ 367.984750][ T10] inet6_addr_add+0x12f/0xa40 [ 367.984750][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 367.984750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 367.984750][ T10] netlink_rcv_skb+0x130/0x360 [ 367.984750][ T10] netlink_unicast+0x449/0x710 [ 367.984750][ T10] netlink_sendmsg+0x723/0xbe0 [ 367.984750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 367.984750][ T10] ___sys_sendmsg+0xee/0x170 [ 367.984750][ T10] __sys_sendmsg+0xcd/0x170 [ 367.984750][ T10] do_syscall_64+0xc6/0x1e0 [ 367.984750][ T10] [ 367.987118][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 367.987118][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 367.987118][ T10] ipv6_find_idev+0x102/0x170 [ 367.987118][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 367.987118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 367.987118][ T10] netlink_rcv_skb+0x130/0x360 [ 367.987118][ T10] netlink_unicast+0x449/0x710 [ 367.987118][ T10] netlink_sendmsg+0x723/0xbe0 [ 367.987118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 367.987118][ T10] ___sys_sendmsg+0xee/0x170 [ 367.987118][ T10] __sys_sendmsg+0xcd/0x170 [ 367.987118][ T10] do_syscall_64+0xc6/0x1e0 [ 367.987118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 367.987118][ T10] [ 367.988867][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 367.988867][ T10] neigh_parms_alloc+0x1e5/0x510 [ 367.988867][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 367.988867][ T10] ipv6_find_idev+0x102/0x170 [ 367.988867][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 367.988867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 367.988867][ T10] netlink_rcv_skb+0x130/0x360 [ 367.988867][ T10] netlink_unicast+0x449/0x710 [ 367.988867][ T10] netlink_sendmsg+0x723/0xbe0 [ 367.988867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 367.988867][ T10] ___sys_sendmsg+0xee/0x170 [ 367.988867][ T10] __sys_sendmsg+0xcd/0x170 [ 367.988867][ T10] do_syscall_64+0xc6/0x1e0 [ 367.988867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 367.988867][ T10] [ 367.990859][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 367.991159][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 367.991159][ T10] netdev_get_by_index+0x5e/0x80 [ 367.991159][ T10] fib6_nh_init+0x3d8/0x1580 [ 367.991159][ T10] ip6_route_info_create+0xf18/0x17d0 [ 367.991159][ T10] addrconf_f6i_alloc+0x265/0x560 [ 367.991159][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 367.991159][ T10] addrconf_join_anycast+0x1c0/0x220 [ 367.991159][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 367.991159][ T10] addrconf_dad_completed+0x12b/0xe20 [ 367.991159][ T10] addrconf_dad_begin+0x310/0x670 [ 367.991159][ T10] addrconf_dad_work+0x10b/0xab0 [ 367.991159][ T10] process_one_work+0x84d/0x18a0 [ 367.991159][ T10] worker_thread+0x587/0xd30 [ 367.991159][ T10] kthread+0x28a/0x350 [ 367.991159][ T10] ret_from_fork+0x31/0x70 [ 367.991159][ T10] ret_from_fork_asm+0x1a/0x30 [ 367.991159][ T10] [ 367.993527][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 367.993527][ T10] netdev_get_by_index+0x5e/0x80 [ 367.993527][ T10] fib6_nh_init+0x3d8/0x1580 [ 367.993527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 367.993527][ T10] ip6_route_add+0x1c/0x140 [ 367.993527][ T10] addrconf_prefix_route+0x2a6/0x430 [ 367.993527][ T10] inet6_addr_add+0x4f8/0xa40 [ 367.993527][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 367.993527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 367.993527][ T10] netlink_rcv_skb+0x130/0x360 [ 367.993527][ T10] netlink_unicast+0x449/0x710 [ 367.993527][ T10] netlink_sendmsg+0x723/0xbe0 [ 367.993527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 367.993527][ T10] ___sys_sendmsg+0xee/0x170 [ 367.993527][ T10] __sys_sendmsg+0xcd/0x170 [ 367.993527][ T10] do_syscall_64+0xc6/0x1e0 [ 367.993527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 367.993527][ T10] [ 367.995930][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 367.995930][ T10] netdev_get_by_index+0x5e/0x80 [ 367.995930][ T10] fib6_nh_init+0x3d8/0x1580 [ 367.995930][ T10] ip6_route_info_create+0xf18/0x17d0 [ 367.995930][ T10] addrconf_f6i_alloc+0x315/0x560 [ 367.995930][ T10] ipv6_add_addr+0x411/0x2000 [ 367.995930][ T10] inet6_addr_add+0x30e/0xa40 [ 367.995930][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 367.995930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 367.995930][ T10] netlink_rcv_skb+0x130/0x360 [ 367.995930][ T10] netlink_unicast+0x449/0x710 [ 367.995930][ T10] netlink_sendmsg+0x723/0xbe0 [ 367.995930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 367.995930][ T10] ___sys_sendmsg+0xee/0x170 [ 367.995930][ T10] __sys_sendmsg+0xcd/0x170 [ 367.995930][ T10] do_syscall_64+0xc6/0x1e0 [ 367.995930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 367.995930][ T10] [ 367.998368][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 367.998368][ T10] netdev_get_by_index+0x5e/0x80 [ 367.998368][ T10] fib6_nh_init+0x3d8/0x1580 [ 367.998368][ T10] ip6_route_info_create+0xf18/0x17d0 [ 367.998368][ T10] ip6_route_add+0x1c/0x140 [ 367.998368][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 367.998368][ T10] addrconf_add_dev+0xe2/0x170 [ 367.998368][ T10] inet6_addr_add+0x12f/0xa40 [ 367.998368][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 367.998368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 367.998368][ T10] netlink_rcv_skb+0x130/0x360 [ 367.998368][ T10] netlink_unicast+0x449/0x710 [ 367.998368][ T10] netlink_sendmsg+0x723/0xbe0 [ 367.998368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 367.998368][ T10] ___sys_sendmsg+0xee/0x170 [ 367.998368][ T10] __sys_sendmsg+0xcd/0x170 [ 367.998368][ T10] do_syscall_64+0xc6/0x1e0 [ 367.998368][ T10] [ 368.000733][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 368.000733][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 368.000733][ T10] ipv6_find_idev+0x102/0x170 [ 368.000733][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 368.000733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 368.000733][ T10] netlink_rcv_skb+0x130/0x360 [ 368.000733][ T10] netlink_unicast+0x449/0x710 [ 368.000733][ T10] netlink_sendmsg+0x723/0xbe0 [ 368.000733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 368.000733][ T10] ___sys_sendmsg+0xee/0x170 [ 368.000733][ T10] __sys_sendmsg+0xcd/0x170 [ 368.000733][ T10] do_syscall_64+0xc6/0x1e0 [ 368.000733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 368.000733][ T10] [ 368.002560][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 368.002560][ T10] neigh_parms_alloc+0x1e5/0x510 [ 368.002560][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 368.002560][ T10] ipv6_find_idev+0x102/0x170 [ 368.002560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 368.002560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 368.002560][ T10] netlink_rcv_skb+0x130/0x360 [ 368.002560][ T10] netlink_unicast+0x449/0x710 [ 368.002560][ T10] netlink_sendmsg+0x723/0xbe0 [ 368.002560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 368.002560][ T10] ___sys_sendmsg+0xee/0x170 [ 368.002560][ T10] __sys_sendmsg+0xcd/0x170 [ 368.002560][ T10] do_syscall_64+0xc6/0x1e0 [ 368.002560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 368.002560][ T10] [ 368.004567][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 368.004854][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 368.004854][ T10] netdev_get_by_index+0x5e/0x80 [ 368.004854][ T10] fib6_nh_init+0x3d8/0x1580 [ 368.004854][ T10] ip6_route_info_create+0xf18/0x17d0 [ 368.004854][ T10] addrconf_f6i_alloc+0x265/0x560 [ 368.004854][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 368.004854][ T10] addrconf_join_anycast+0x1c0/0x220 [ 368.004854][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 368.004854][ T10] addrconf_dad_completed+0x12b/0xe20 [ 368.004854][ T10] addrconf_dad_begin+0x310/0x670 [ 368.004854][ T10] addrconf_dad_work+0x10b/0xab0 [ 368.004854][ T10] process_one_work+0x84d/0x18a0 [ 368.004854][ T10] worker_thread+0x587/0xd30 [ 368.004854][ T10] kthread+0x28a/0x350 [ 368.004854][ T10] ret_from_fork+0x31/0x70 [ 368.004854][ T10] ret_from_fork_asm+0x1a/0x30 [ 368.004854][ T10] [ 368.007072][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 368.007072][ T10] netdev_get_by_index+0x5e/0x80 [ 368.007072][ T10] fib6_nh_init+0x3d8/0x1580 [ 368.007072][ T10] ip6_route_info_create+0xf18/0x17d0 [ 368.007072][ T10] ip6_route_add+0x1c/0x140 [ 368.007072][ T10] addrconf_prefix_route+0x2a6/0x430 [ 368.007072][ T10] inet6_addr_add+0x4f8/0xa40 [ 368.007072][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 368.007072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 368.007072][ T10] netlink_rcv_skb+0x130/0x360 [ 368.007072][ T10] netlink_unicast+0x449/0x710 [ 368.007072][ T10] netlink_sendmsg+0x723/0xbe0 [ 368.007072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 368.007072][ T10] ___sys_sendmsg+0xee/0x170 [ 368.007072][ T10] __sys_sendmsg+0xcd/0x170 [ 368.007072][ T10] do_syscall_64+0xc6/0x1e0 [ 368.007072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 368.007072][ T10] [ 368.009570][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 368.009570][ T10] netdev_get_by_index+0x5e/0x80 [ 368.009570][ T10] fib6_nh_init+0x3d8/0x1580 [ 368.009570][ T10] ip6_route_info_create+0xf18/0x17d0 [ 368.009570][ T10] addrconf_f6i_alloc+0x315/0x560 [ 368.009570][ T10] ipv6_add_addr+0x411/0x2000 [ 368.009570][ T10] inet6_addr_add+0x30e/0xa40 [ 368.009570][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 368.009570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 368.009570][ T10] netlink_rcv_skb+0x130/0x360 [ 368.009570][ T10] netlink_unicast+0x449/0x710 [ 368.009570][ T10] netlink_sendmsg+0x723/0xbe0 [ 368.009570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 368.009570][ T10] ___sys_sendmsg+0xee/0x170 [ 368.009570][ T10] __sys_sendmsg+0xcd/0x170 [ 368.009570][ T10] do_syscall_64+0xc6/0x1e0 [ 368.009570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 368.009570][ T10] [ 368.012128][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 368.012128][ T10] netdev_get_by_index+0x5e/0x80 [ 368.012128][ T10] fib6_nh_init+0x3d8/0x1580 [ 368.012128][ T10] ip6_route_info_create+0xf18/0x17d0 [ 368.012128][ T10] ip6_route_add+0x1c/0x140 [ 368.012128][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 368.012128][ T10] addrconf_add_dev+0xe2/0x170 [ 368.012128][ T10] inet6_addr_add+0x12f/0xa40 [ 368.012128][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 368.012128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 368.012128][ T10] netlink_rcv_skb+0x130/0x360 [ 368.012128][ T10] netlink_unicast+0x449/0x710 [ 368.012128][ T10] netlink_sendmsg+0x723/0xbe0 [ 368.012128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 368.012128][ T10] ___sys_sendmsg+0xee/0x170 [ 368.012128][ T10] __sys_sendmsg+0xcd/0x170 [ 368.012128][ T10] do_syscall_64+0xc6/0x1e0 [ 368.012128][ T10] [ 368.014626][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 368.014626][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 368.014626][ T10] ipv6_find_idev+0x102/0x170 [ 368.014626][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 368.014626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 368.014626][ T10] netlink_rcv_skb+0x130/0x360 [ 368.014626][ T10] netlink_unicast+0x449/0x710 [ 368.014626][ T10] netlink_sendmsg+0x723/0xbe0 [ 368.014626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 368.014626][ T10] ___sys_sendmsg+0xee/0x170 [ 368.014626][ T10] __sys_sendmsg+0xcd/0x170 [ 368.014626][ T10] do_syscall_64+0xc6/0x1e0 [ 368.014626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 368.014626][ T10] [ 368.016564][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 368.016564][ T10] neigh_parms_alloc+0x1e5/0x510 [ 368.016564][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 368.016564][ T10] ipv6_find_idev+0x102/0x170 [ 368.016564][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 368.016564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 368.016564][ T10] netlink_rcv_skb+0x130/0x360 [ 368.016564][ T10] netlink_unicast+0x449/0x710 [ 368.016564][ T10] netlink_sendmsg+0x723/0xbe0 [ 368.016564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 368.016564][ T10] ___sys_sendmsg+0xee/0x170 [ 368.016564][ T10] __sys_sendmsg+0xcd/0x170 [ 368.016564][ T10] do_syscall_64+0xc6/0x1e0 [ 368.016564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 368.016564][ T10] [ 368.018783][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 368.019588][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 368.019588][ T10] netdev_get_by_index+0x5e/0x80 [ 368.019588][ T10] fib6_nh_init+0x3d8/0x1580 [ 368.019588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 368.019588][ T10] addrconf_f6i_alloc+0x265/0x560 [ 368.019588][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 368.019588][ T10] addrconf_join_anycast+0x1c0/0x220 [ 368.019588][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 368.019588][ T10] addrconf_dad_completed+0x12b/0xe20 [ 368.019588][ T10] addrconf_dad_begin+0x310/0x670 [ 368.019588][ T10] addrconf_dad_work+0x10b/0xab0 [ 368.019588][ T10] process_one_work+0x84d/0x18a0 [ 368.019588][ T10] worker_thread+0x587/0xd30 [ 368.019588][ T10] kthread+0x28a/0x350 [ 368.019588][ T10] ret_from_fork+0x31/0x70 [ 368.019588][ T10] ret_from_fork_asm+0x1a/0x30 [ 368.019588][ T10] [ 368.021811][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 368.021811][ T10] netdev_get_by_index+0x5e/0x80 [ 368.021811][ T10] fib6_nh_init+0x3d8/0x1580 [ 368.021811][ T10] ip6_route_info_create+0xf18/0x17d0 [ 368.021811][ T10] ip6_route_add+0x1c/0x140 [ 368.021811][ T10] addrconf_prefix_route+0x2a6/0x430 [ 368.021811][ T10] inet6_addr_add+0x4f8/0xa40 [ 368.021811][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 368.021811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 368.021811][ T10] netlink_rcv_skb+0x130/0x360 [ 368.021811][ T10] netlink_unicast+0x449/0x710 [ 368.021811][ T10] netlink_sendmsg+0x723/0xbe0 [ 368.021811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 368.021811][ T10] ___sys_sendmsg+0xee/0x170 [ 368.021811][ T10] __sys_sendmsg+0xcd/0x170 [ 368.021811][ T10] do_syscall_64+0xc6/0x1e0 [ 368.021811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 368.021811][ T10] [ 368.024193][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 368.024193][ T10] netdev_get_by_index+0x5e/0x80 [ 368.024193][ T10] fib6_nh_init+0x3d8/0x1580 [ 368.024193][ T10] ip6_route_info_create+0xf18/0x17d0 [ 368.024193][ T10] addrconf_f6i_alloc+0x315/0x560 [ 368.024193][ T10] ipv6_add_addr+0x411/0x2000 [ 368.024193][ T10] inet6_addr_add+0x30e/0xa40 [ 368.024193][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 368.024193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 368.024193][ T10] netlink_rcv_skb+0x130/0x360 [ 368.024193][ T10] netlink_unicast+0x449/0x710 [ 368.024193][ T10] netlink_sendmsg+0x723/0xbe0 [ 368.024193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 368.024193][ T10] ___sys_sendmsg+0xee/0x170 [ 368.024193][ T10] __sys_sendmsg+0xcd/0x170 [ 368.024193][ T10] do_syscall_64+0xc6/0x1e0 [ 368.024193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 368.024193][ T10] [ 368.026765][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 368.026765][ T10] netdev_get_by_index+0x5e/0x80 [ 368.026765][ T10] fib6_nh_init+0x3d8/0x1580 [ 368.026765][ T10] ip6_route_info_create+0xf18/0x17d0 [ 368.026765][ T10] ip6_route_add+0x1c/0x140 [ 368.026765][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 368.026765][ T10] addrconf_add_dev+0xe2/0x170 [ 368.026765][ T10] inet6_addr_add+0x12f/0xa40 [ 368.026765][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 368.026765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 368.026765][ T10] netlink_rcv_skb+0x130/0x360 [ 368.026765][ T10] netlink_unicast+0x449/0x710 [ 368.026765][ T10] netlink_sendmsg+0x723/0xbe0 [ 368.026765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 368.026765][ T10] ___sys_sendmsg+0xee/0x170 [ 368.026765][ T10] __sys_sendmsg+0xcd/0x170 [ 368.026765][ T10] do_syscall_64+0xc6/0x1e0 [ 368.026765][ T10] [ 368.029286][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 368.029286][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 368.029286][ T10] ipv6_find_idev+0x102/0x170 [ 368.029286][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 368.029286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 368.029286][ T10] netlink_rcv_skb+0x130/0x360 [ 368.029286][ T10] netlink_unicast+0x449/0x710 [ 368.029286][ T10] netlink_sendmsg+0x723/0xbe0 [ 368.029286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 368.029286][ T10] ___sys_sendmsg+0xee/0x170 [ 368.029286][ T10] __sys_sendmsg+0xcd/0x170 [ 368.029286][ T10] do_syscall_64+0xc6/0x1e0 [ 368.029286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 368.029286][ T10] [ 368.031343][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 368.031343][ T10] neigh_parms_alloc+0x1e5/0x510 [ 368.031343][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 368.031343][ T10] ipv6_find_idev+0x102/0x170 [ 368.031343][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 368.031343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 368.031343][ T10] netlink_rcv_skb+0x130/0x360 [ 368.031343][ T10] netlink_unicast+0x449/0x710 [ 368.031343][ T10] netlink_sendmsg+0x723/0xbe0 [ 368.031343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 368.031343][ T10] ___sys_sendmsg+0xee/0x170 [ 368.031343][ T10] __sys_sendmsg+0xcd/0x170 [ 368.031343][ T10] do_syscall_64+0xc6/0x1e0 [ 368.031343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 368.031343][ T10] [ 371.209110][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 371.209634][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 371.209634][ T1167] dst_init+0x84/0x4a0 [ 371.209634][ T1167] dst_alloc+0x97/0x150 [ 371.209634][ T1167] ip6_dst_alloc+0x23/0x90 [ 371.209634][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 371.209634][ T1167] ip6_pol_route+0x56f/0x840 [ 371.209634][ T1167] fib6_rule_lookup+0x334/0x630 [ 371.209634][ T1167] ip6_route_output_flags+0x259/0x480 [ 371.209634][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 371.209634][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 371.209634][ T1167] netlink_rcv_skb+0x130/0x360 [ 371.209634][ T1167] netlink_unicast+0x449/0x710 [ 371.209634][ T1167] netlink_sendmsg+0x723/0xbe0 [ 371.209634][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 371.209634][ T1167] ___sys_sendmsg+0xee/0x170 [ 371.209634][ T1167] __sys_sendmsg+0xcd/0x170 [ 371.209634][ T1167] do_syscall_64+0xc6/0x1e0 [ 371.209634][ T1167] [ 371.212220][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 371.212220][ T1167] netdev_get_by_index+0x5e/0x80 [ 371.212220][ T1167] fib6_nh_init+0x3d8/0x1580 [ 371.212220][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 371.212220][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 371.212220][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 371.212220][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 371.212220][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 371.212220][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 371.212220][ T1167] addrconf_dad_begin+0x310/0x670 [ 371.212220][ T1167] addrconf_dad_work+0x10b/0xab0 [ 371.212220][ T1167] process_one_work+0x84d/0x18a0 [ 371.212220][ T1167] worker_thread+0x587/0xd30 [ 371.212220][ T1167] kthread+0x28a/0x350 [ 371.212220][ T1167] ret_from_fork+0x31/0x70 [ 371.212220][ T1167] ret_from_fork_asm+0x1a/0x30 [ 371.212220][ T1167] [ 371.215872][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 371.215872][ T1167] netdev_get_by_index+0x5e/0x80 [ 371.215872][ T1167] fib6_nh_init+0x3d8/0x1580 [ 371.215872][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 371.215872][ T1167] ip6_route_add+0x1c/0x140 [ 371.215872][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 371.215872][ T1167] inet6_addr_add+0x4f8/0xa40 [ 371.215872][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 371.215872][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.215872][ T1167] netlink_rcv_skb+0x130/0x360 [ 371.215872][ T1167] netlink_unicast+0x449/0x710 [ 371.215872][ T1167] netlink_sendmsg+0x723/0xbe0 [ 371.215872][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 371.215872][ T1167] ___sys_sendmsg+0xee/0x170 [ 371.215872][ T1167] __sys_sendmsg+0xcd/0x170 [ 371.215872][ T1167] do_syscall_64+0xc6/0x1e0 [ 371.215872][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.215872][ T1167] [ 371.219730][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 371.219730][ T1167] netdev_get_by_index+0x5e/0x80 [ 371.219730][ T1167] fib6_nh_init+0x3d8/0x1580 [ 371.219730][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 371.219730][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 371.219730][ T1167] ipv6_add_addr+0x411/0x2000 [ 371.219730][ T1167] inet6_addr_add+0x30e/0xa40 [ 371.219730][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 371.219730][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.219730][ T1167] netlink_rcv_skb+0x130/0x360 [ 371.219730][ T1167] netlink_unicast+0x449/0x710 [ 371.219730][ T1167] netlink_sendmsg+0x723/0xbe0 [ 371.219730][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 371.219730][ T1167] ___sys_sendmsg+0xee/0x170 [ 371.219730][ T1167] __sys_sendmsg+0xcd/0x170 [ 371.219730][ T1167] do_syscall_64+0xc6/0x1e0 [ 371.219730][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.219730][ T1167] [ 371.223490][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 371.223490][ T1167] netdev_get_by_index+0x5e/0x80 [ 371.223490][ T1167] fib6_nh_init+0x3d8/0x1580 [ 371.223490][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 371.223490][ T1167] ip6_route_add+0x1c/0x140 [ 371.223490][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 371.223490][ T1167] addrconf_add_dev+0xe2/0x170 [ 371.223490][ T1167] inet6_addr_add+0x12f/0xa40 [ 371.223490][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 371.223490][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.223490][ T1167] netlink_rcv_skb+0x130/0x360 [ 371.223490][ T1167] netlink_unicast+0x449/0x710 [ 371.223490][ T1167] netlink_sendmsg+0x723/0xbe0 [ 371.223490][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 371.223490][ T1167] ___sys_sendmsg+0xee/0x170 [ 371.223490][ T1167] __sys_sendmsg+0xcd/0x170 [ 371.223490][ T1167] do_syscall_64+0xc6/0x1e0 [ 371.223490][ T1167] [ 371.226181][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 371.226181][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 371.226181][ T1167] ipv6_find_idev+0x102/0x170 [ 371.226181][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 371.226181][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.226181][ T1167] netlink_rcv_skb+0x130/0x360 [ 371.226181][ T1167] netlink_unicast+0x449/0x710 [ 371.226181][ T1167] netlink_sendmsg+0x723/0xbe0 [ 371.226181][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 371.226181][ T1167] ___sys_sendmsg+0xee/0x170 [ 371.226181][ T1167] __sys_sendmsg+0xcd/0x170 [ 371.226181][ T1167] do_syscall_64+0xc6/0x1e0 [ 371.226181][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.226181][ T1167] [ 371.228143][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 371.228143][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 371.228143][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 371.228143][ T1167] ipv6_find_idev+0x102/0x170 [ 371.228143][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 371.228143][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.228143][ T1167] netlink_rcv_skb+0x130/0x360 [ 371.228143][ T1167] netlink_unicast+0x449/0x710 [ 371.228143][ T1167] netlink_sendmsg+0x723/0xbe0 [ 371.228143][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 371.228143][ T1167] ___sys_sendmsg+0xee/0x170 [ 371.228143][ T1167] __sys_sendmsg+0xcd/0x170 [ 371.228143][ T1167] do_syscall_64+0xc6/0x1e0 [ 371.228143][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.228143][ T1167] [ 378.273122][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 378.273539][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 378.273539][ T10] netdev_get_by_index+0x5e/0x80 [ 378.273539][ T10] fib6_nh_init+0x3d8/0x1580 [ 378.273539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 378.273539][ T10] addrconf_f6i_alloc+0x265/0x560 [ 378.273539][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 378.273539][ T10] addrconf_join_anycast+0x1c0/0x220 [ 378.273539][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 378.273539][ T10] addrconf_dad_completed+0x12b/0xe20 [ 378.273539][ T10] addrconf_dad_begin+0x310/0x670 [ 378.273539][ T10] addrconf_dad_work+0x10b/0xab0 [ 378.273539][ T10] process_one_work+0x84d/0x18a0 [ 378.273539][ T10] worker_thread+0x587/0xd30 [ 378.273539][ T10] kthread+0x28a/0x350 [ 378.273539][ T10] ret_from_fork+0x31/0x70 [ 378.273539][ T10] ret_from_fork_asm+0x1a/0x30 [ 378.273539][ T10] [ 378.275696][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 378.275696][ T10] netdev_get_by_index+0x5e/0x80 [ 378.275696][ T10] fib6_nh_init+0x3d8/0x1580 [ 378.275696][ T10] ip6_route_info_create+0xf18/0x17d0 [ 378.275696][ T10] ip6_route_add+0x1c/0x140 [ 378.275696][ T10] addrconf_prefix_route+0x2a6/0x430 [ 378.275696][ T10] inet6_addr_add+0x4f8/0xa40 [ 378.275696][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 378.275696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 378.275696][ T10] netlink_rcv_skb+0x130/0x360 [ 378.275696][ T10] netlink_unicast+0x449/0x710 [ 378.275696][ T10] netlink_sendmsg+0x723/0xbe0 [ 378.275696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 378.275696][ T10] ___sys_sendmsg+0xee/0x170 [ 378.275696][ T10] __sys_sendmsg+0xcd/0x170 [ 378.275696][ T10] do_syscall_64+0xc6/0x1e0 [ 378.275696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 378.275696][ T10] [ 378.277953][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 378.277953][ T10] netdev_get_by_index+0x5e/0x80 [ 378.277953][ T10] fib6_nh_init+0x3d8/0x1580 [ 378.277953][ T10] ip6_route_info_create+0xf18/0x17d0 [ 378.277953][ T10] addrconf_f6i_alloc+0x315/0x560 [ 378.277953][ T10] ipv6_add_addr+0x411/0x2000 [ 378.277953][ T10] inet6_addr_add+0x30e/0xa40 [ 378.277953][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 378.277953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 378.277953][ T10] netlink_rcv_skb+0x130/0x360 [ 378.277953][ T10] netlink_unicast+0x449/0x710 [ 378.277953][ T10] netlink_sendmsg+0x723/0xbe0 [ 378.277953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 378.277953][ T10] ___sys_sendmsg+0xee/0x170 [ 378.277953][ T10] __sys_sendmsg+0xcd/0x170 [ 378.277953][ T10] do_syscall_64+0xc6/0x1e0 [ 378.277953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 378.277953][ T10] [ 378.280216][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 378.280216][ T10] netdev_get_by_index+0x5e/0x80 [ 378.280216][ T10] fib6_nh_init+0x3d8/0x1580 [ 378.280216][ T10] ip6_route_info_create+0xf18/0x17d0 [ 378.280216][ T10] ip6_route_add+0x1c/0x140 [ 378.280216][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 378.280216][ T10] addrconf_add_dev+0xe2/0x170 [ 378.280216][ T10] inet6_addr_add+0x12f/0xa40 [ 378.280216][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 378.280216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 378.280216][ T10] netlink_rcv_skb+0x130/0x360 [ 378.280216][ T10] netlink_unicast+0x449/0x710 [ 378.280216][ T10] netlink_sendmsg+0x723/0xbe0 [ 378.280216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 378.280216][ T10] ___sys_sendmsg+0xee/0x170 [ 378.280216][ T10] __sys_sendmsg+0xcd/0x170 [ 378.280216][ T10] do_syscall_64+0xc6/0x1e0 [ 378.280216][ T10] [ 378.282430][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 378.282430][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 378.282430][ T10] ipv6_find_idev+0x102/0x170 [ 378.282430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 378.282430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 378.282430][ T10] netlink_rcv_skb+0x130/0x360 [ 378.282430][ T10] netlink_unicast+0x449/0x710 [ 378.282430][ T10] netlink_sendmsg+0x723/0xbe0 [ 378.282430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 378.282430][ T10] ___sys_sendmsg+0xee/0x170 [ 378.282430][ T10] __sys_sendmsg+0xcd/0x170 [ 378.282430][ T10] do_syscall_64+0xc6/0x1e0 [ 378.282430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 378.282430][ T10] [ 378.284152][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 378.284152][ T10] neigh_parms_alloc+0x1e5/0x510 [ 378.284152][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 378.284152][ T10] ipv6_find_idev+0x102/0x170 [ 378.284152][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 378.284152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 378.284152][ T10] netlink_rcv_skb+0x130/0x360 [ 378.284152][ T10] netlink_unicast+0x449/0x710 [ 378.284152][ T10] netlink_sendmsg+0x723/0xbe0 [ 378.284152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 378.284152][ T10] ___sys_sendmsg+0xee/0x170 [ 378.284152][ T10] __sys_sendmsg+0xcd/0x170 [ 378.284152][ T10] do_syscall_64+0xc6/0x1e0 [ 378.284152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 378.284152][ T10] [ 378.286077][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 378.286358][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 378.286358][ T10] netdev_get_by_index+0x5e/0x80 [ 378.286358][ T10] fib6_nh_init+0x3d8/0x1580 [ 378.286358][ T10] ip6_route_info_create+0xf18/0x17d0 [ 378.286358][ T10] addrconf_f6i_alloc+0x265/0x560 [ 378.286358][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 378.286358][ T10] addrconf_join_anycast+0x1c0/0x220 [ 378.286358][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 378.286358][ T10] addrconf_dad_completed+0x12b/0xe20 [ 378.286358][ T10] addrconf_dad_begin+0x310/0x670 [ 378.286358][ T10] addrconf_dad_work+0x10b/0xab0 [ 378.286358][ T10] process_one_work+0x84d/0x18a0 [ 378.286358][ T10] worker_thread+0x587/0xd30 [ 378.286358][ T10] kthread+0x28a/0x350 [ 378.286358][ T10] ret_from_fork+0x31/0x70 [ 378.286358][ T10] ret_from_fork_asm+0x1a/0x30 [ 378.286358][ T10] [ 378.288410][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 378.288410][ T10] netdev_get_by_index+0x5e/0x80 [ 378.288410][ T10] fib6_nh_init+0x3d8/0x1580 [ 378.288410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 378.288410][ T10] ip6_route_add+0x1c/0x140 [ 378.288410][ T10] addrconf_prefix_route+0x2a6/0x430 [ 378.288410][ T10] inet6_addr_add+0x4f8/0xa40 [ 378.288410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 378.288410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 378.288410][ T10] netlink_rcv_skb+0x130/0x360 [ 378.288410][ T10] netlink_unicast+0x449/0x710 [ 378.288410][ T10] netlink_sendmsg+0x723/0xbe0 [ 378.288410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 378.288410][ T10] ___sys_sendmsg+0xee/0x170 [ 378.288410][ T10] __sys_sendmsg+0xcd/0x170 [ 378.288410][ T10] do_syscall_64+0xc6/0x1e0 [ 378.288410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 378.288410][ T10] [ 378.290565][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 378.290565][ T10] netdev_get_by_index+0x5e/0x80 [ 378.290565][ T10] fib6_nh_init+0x3d8/0x1580 [ 378.290565][ T10] ip6_route_info_create+0xf18/0x17d0 [ 378.290565][ T10] addrconf_f6i_alloc+0x315/0x560 [ 378.290565][ T10] ipv6_add_addr+0x411/0x2000 [ 378.290565][ T10] inet6_addr_add+0x30e/0xa40 [ 378.290565][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 378.290565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 378.290565][ T10] netlink_rcv_skb+0x130/0x360 [ 378.290565][ T10] netlink_unicast+0x449/0x710 [ 378.290565][ T10] netlink_sendmsg+0x723/0xbe0 [ 378.290565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 378.290565][ T10] ___sys_sendmsg+0xee/0x170 [ 378.290565][ T10] __sys_sendmsg+0xcd/0x170 [ 378.290565][ T10] do_syscall_64+0xc6/0x1e0 [ 378.290565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 378.290565][ T10] [ 378.293256][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 378.293256][ T10] netdev_get_by_index+0x5e/0x80 [ 378.293256][ T10] fib6_nh_init+0x3d8/0x1580 [ 378.293256][ T10] ip6_route_info_create+0xf18/0x17d0 [ 378.293256][ T10] ip6_route_add+0x1c/0x140 [ 378.293256][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 378.293256][ T10] addrconf_add_dev+0xe2/0x170 [ 378.293256][ T10] inet6_addr_add+0x12f/0xa40 [ 378.293256][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 378.293256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 378.293256][ T10] netlink_rcv_skb+0x130/0x360 [ 378.293256][ T10] netlink_unicast+0x449/0x710 [ 378.293256][ T10] netlink_sendmsg+0x723/0xbe0 [ 378.293256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 378.293256][ T10] ___sys_sendmsg+0xee/0x170 [ 378.293256][ T10] __sys_sendmsg+0xcd/0x170 [ 378.293256][ T10] do_syscall_64+0xc6/0x1e0 [ 378.293256][ T10] [ 378.296524][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 378.296524][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 378.296524][ T10] ipv6_find_idev+0x102/0x170 [ 378.296524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 378.296524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 378.296524][ T10] netlink_rcv_skb+0x130/0x360 [ 378.296524][ T10] netlink_unicast+0x449/0x710 [ 378.296524][ T10] netlink_sendmsg+0x723/0xbe0 [ 378.296524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 378.296524][ T10] ___sys_sendmsg+0xee/0x170 [ 378.296524][ T10] __sys_sendmsg+0xcd/0x170 [ 378.296524][ T10] do_syscall_64+0xc6/0x1e0 [ 378.296524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 378.296524][ T10] [ 378.298842][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 378.298842][ T10] neigh_parms_alloc+0x1e5/0x510 [ 378.298842][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 378.298842][ T10] ipv6_find_idev+0x102/0x170 [ 378.298842][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 378.298842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 378.298842][ T10] netlink_rcv_skb+0x130/0x360 [ 378.298842][ T10] netlink_unicast+0x449/0x710 [ 378.298842][ T10] netlink_sendmsg+0x723/0xbe0 [ 378.298842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 378.298842][ T10] ___sys_sendmsg+0xee/0x170 [ 378.298842][ T10] __sys_sendmsg+0xcd/0x170 [ 378.298842][ T10] do_syscall_64+0xc6/0x1e0 [ 378.298842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 378.298842][ T10] [ 378.301342][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 378.301712][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 378.301712][ T10] netdev_get_by_index+0x5e/0x80 [ 378.301712][ T10] fib6_nh_init+0x3d8/0x1580 [ 378.301712][ T10] ip6_route_info_create+0xf18/0x17d0 [ 378.301712][ T10] addrconf_f6i_alloc+0x265/0x560 [ 378.301712][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 378.301712][ T10] addrconf_join_anycast+0x1c0/0x220 [ 378.301712][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 378.301712][ T10] addrconf_dad_completed+0x12b/0xe20 [ 378.301712][ T10] addrconf_dad_begin+0x310/0x670 [ 378.301712][ T10] addrconf_dad_work+0x10b/0xab0 [ 378.301712][ T10] process_one_work+0x84d/0x18a0 [ 378.301712][ T10] worker_thread+0x587/0xd30 [ 378.301712][ T10] kthread+0x28a/0x350 [ 378.301712][ T10] ret_from_fork+0x31/0x70 [ 378.301712][ T10] ret_from_fork_asm+0x1a/0x30 [ 378.301712][ T10] [ 378.304537][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 378.304537][ T10] netdev_get_by_index+0x5e/0x80 [ 378.304537][ T10] fib6_nh_init+0x3d8/0x1580 [ 378.304537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 378.304537][ T10] ip6_route_add+0x1c/0x140 [ 378.304537][ T10] addrconf_prefix_route+0x2a6/0x430 [ 378.304537][ T10] inet6_addr_add+0x4f8/0xa40 [ 378.304537][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 378.304537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 378.304537][ T10] netlink_rcv_skb+0x130/0x360 [ 378.304537][ T10] netlink_unicast+0x449/0x710 [ 378.304537][ T10] netlink_sendmsg+0x723/0xbe0 [ 378.304537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 378.304537][ T10] ___sys_sendmsg+0xee/0x170 [ 378.304537][ T10] __sys_sendmsg+0xcd/0x170 [ 378.304537][ T10] do_syscall_64+0xc6/0x1e0 [ 378.304537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 378.304537][ T10] [ 378.307967][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 378.307967][ T10] netdev_get_by_index+0x5e/0x80 [ 378.307967][ T10] fib6_nh_init+0x3d8/0x1580 [ 378.307967][ T10] ip6_route_info_create+0xf18/0x17d0 [ 378.307967][ T10] addrconf_f6i_alloc+0x315/0x560 [ 378.307967][ T10] ipv6_add_addr+0x411/0x2000 [ 378.307967][ T10] inet6_addr_add+0x30e/0xa40 [ 378.307967][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 378.307967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 378.307967][ T10] netlink_rcv_skb+0x130/0x360 [ 378.307967][ T10] netlink_unicast+0x449/0x710 [ 378.307967][ T10] netlink_sendmsg+0x723/0xbe0 [ 378.307967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 378.307967][ T10] ___sys_sendmsg+0xee/0x170 [ 378.307967][ T10] __sys_sendmsg+0xcd/0x170 [ 378.307967][ T10] do_syscall_64+0xc6/0x1e0 [ 378.307967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 378.307967][ T10] [ 378.311363][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 378.311363][ T10] netdev_get_by_index+0x5e/0x80 [ 378.311363][ T10] fib6_nh_init+0x3d8/0x1580 [ 378.311363][ T10] ip6_route_info_create+0xf18/0x17d0 [ 378.311363][ T10] ip6_route_add+0x1c/0x140 [ 378.311363][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 378.311363][ T10] addrconf_add_dev+0xe2/0x170 [ 378.311363][ T10] inet6_addr_add+0x12f/0xa40 [ 378.311363][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 378.311363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 378.311363][ T10] netlink_rcv_skb+0x130/0x360 [ 378.311363][ T10] netlink_unicast+0x449/0x710 [ 378.311363][ T10] netlink_sendmsg+0x723/0xbe0 [ 378.311363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 378.311363][ T10] ___sys_sendmsg+0xee/0x170 [ 378.311363][ T10] __sys_sendmsg+0xcd/0x170 [ 378.311363][ T10] do_syscall_64+0xc6/0x1e0 [ 378.311363][ T10] [ 378.314717][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 378.314717][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 378.314717][ T10] ipv6_find_idev+0x102/0x170 [ 378.314717][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 378.314717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 378.314717][ T10] netlink_rcv_skb+0x130/0x360 [ 378.314717][ T10] netlink_unicast+0x449/0x710 [ 378.314717][ T10] netlink_sendmsg+0x723/0xbe0 [ 378.314717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 378.314717][ T10] ___sys_sendmsg+0xee/0x170 [ 378.314717][ T10] __sys_sendmsg+0xcd/0x170 [ 378.314717][ T10] do_syscall_64+0xc6/0x1e0 [ 378.314717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 378.314717][ T10] [ 378.317600][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 378.317600][ T10] neigh_parms_alloc+0x1e5/0x510 [ 378.317600][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 378.317600][ T10] ipv6_find_idev+0x102/0x170 [ 378.317600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 378.317600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 378.317600][ T10] netlink_rcv_skb+0x130/0x360 [ 378.317600][ T10] netlink_unicast+0x449/0x710 [ 378.317600][ T10] netlink_sendmsg+0x723/0xbe0 [ 378.317600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 378.317600][ T10] ___sys_sendmsg+0xee/0x170 [ 378.317600][ T10] __sys_sendmsg+0xcd/0x170 [ 378.317600][ T10] do_syscall_64+0xc6/0x1e0 [ 378.317600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 378.317600][ T10] [ 378.320890][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 378.322132][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 378.322132][ T10] netdev_get_by_index+0x5e/0x80 [ 378.322132][ T10] fib6_nh_init+0x3d8/0x1580 [ 378.322132][ T10] ip6_route_info_create+0xf18/0x17d0 [ 378.322132][ T10] addrconf_f6i_alloc+0x265/0x560 [ 378.322132][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 378.322132][ T10] addrconf_join_anycast+0x1c0/0x220 [ 378.322132][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 378.322132][ T10] addrconf_dad_completed+0x12b/0xe20 [ 378.322132][ T10] addrconf_dad_begin+0x310/0x670 [ 378.322132][ T10] addrconf_dad_work+0x10b/0xab0 [ 378.322132][ T10] process_one_work+0x84d/0x18a0 [ 378.322132][ T10] worker_thread+0x587/0xd30 [ 378.322132][ T10] kthread+0x28a/0x350 [ 378.322132][ T10] ret_from_fork+0x31/0x70 [ 378.322132][ T10] ret_from_fork_asm+0x1a/0x30 [ 378.322132][ T10] [ 378.325119][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 378.325119][ T10] netdev_get_by_index+0x5e/0x80 [ 378.325119][ T10] fib6_nh_init+0x3d8/0x1580 [ 378.325119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 378.325119][ T10] ip6_route_add+0x1c/0x140 [ 378.325119][ T10] addrconf_prefix_route+0x2a6/0x430 [ 378.325119][ T10] inet6_addr_add+0x4f8/0xa40 [ 378.325119][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 378.325119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 378.325119][ T10] netlink_rcv_skb+0x130/0x360 [ 378.325119][ T10] netlink_unicast+0x449/0x710 [ 378.325119][ T10] netlink_sendmsg+0x723/0xbe0 [ 378.325119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 378.325119][ T10] ___sys_sendmsg+0xee/0x170 [ 378.325119][ T10] __sys_sendmsg+0xcd/0x170 [ 378.325119][ T10] do_syscall_64+0xc6/0x1e0 [ 378.325119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 378.325119][ T10] [ 378.328329][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 378.328329][ T10] netdev_get_by_index+0x5e/0x80 [ 378.328329][ T10] fib6_nh_init+0x3d8/0x1580 [ 378.328329][ T10] ip6_route_info_create+0xf18/0x17d0 [ 378.328329][ T10] addrconf_f6i_alloc+0x315/0x560 [ 378.328329][ T10] ipv6_add_addr+0x411/0x2000 [ 378.328329][ T10] inet6_addr_add+0x30e/0xa40 [ 378.328329][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 378.328329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 378.328329][ T10] netlink_rcv_skb+0x130/0x360 [ 378.328329][ T10] netlink_unicast+0x449/0x710 [ 378.328329][ T10] netlink_sendmsg+0x723/0xbe0 [ 378.328329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 378.328329][ T10] ___sys_sendmsg+0xee/0x170 [ 378.328329][ T10] __sys_sendmsg+0xcd/0x170 [ 378.328329][ T10] do_syscall_64+0xc6/0x1e0 [ 378.328329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 378.328329][ T10] [ 378.331743][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 378.331743][ T10] netdev_get_by_index+0x5e/0x80 [ 378.331743][ T10] fib6_nh_init+0x3d8/0x1580 [ 378.331743][ T10] ip6_route_info_create+0xf18/0x17d0 [ 378.331743][ T10] ip6_route_add+0x1c/0x140 [ 378.331743][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 378.331743][ T10] addrconf_add_dev+0xe2/0x170 [ 378.331743][ T10] inet6_addr_add+0x12f/0xa40 [ 378.331743][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 378.331743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 378.331743][ T10] netlink_rcv_skb+0x130/0x360 [ 378.331743][ T10] netlink_unicast+0x449/0x710 [ 378.331743][ T10] netlink_sendmsg+0x723/0xbe0 [ 378.331743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 378.331743][ T10] ___sys_sendmsg+0xee/0x170 [ 378.331743][ T10] __sys_sendmsg+0xcd/0x170 [ 378.331743][ T10] do_syscall_64+0xc6/0x1e0 [ 378.331743][ T10] [ 378.335071][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 378.335071][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 378.335071][ T10] ipv6_find_idev+0x102/0x170 [ 378.335071][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 378.335071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 378.335071][ T10] netlink_rcv_skb+0x130/0x360 [ 378.335071][ T10] netlink_unicast+0x449/0x710 [ 378.335071][ T10] netlink_sendmsg+0x723/0xbe0 [ 378.335071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 378.335071][ T10] ___sys_sendmsg+0xee/0x170 [ 378.335071][ T10] __sys_sendmsg+0xcd/0x170 [ 378.335071][ T10] do_syscall_64+0xc6/0x1e0 [ 378.335071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 378.335071][ T10] [ 378.337792][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 378.337792][ T10] neigh_parms_alloc+0x1e5/0x510 [ 378.337792][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 378.337792][ T10] ipv6_find_idev+0x102/0x170 [ 378.337792][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 378.337792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 378.337792][ T10] netlink_rcv_skb+0x130/0x360 [ 378.337792][ T10] netlink_unicast+0x449/0x710 [ 378.337792][ T10] netlink_sendmsg+0x723/0xbe0 [ 378.337792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 378.337792][ T10] ___sys_sendmsg+0xee/0x170 [ 378.337792][ T10] __sys_sendmsg+0xcd/0x170 [ 378.337792][ T10] do_syscall_64+0xc6/0x1e0 [ 378.337792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 378.337792][ T10] [ 381.345108][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 381.345678][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 381.345678][ T1167] dst_init+0x84/0x4a0 [ 381.345678][ T1167] dst_alloc+0x97/0x150 [ 381.345678][ T1167] ip6_dst_alloc+0x23/0x90 [ 381.345678][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 381.345678][ T1167] ip6_pol_route+0x56f/0x840 [ 381.345678][ T1167] fib6_rule_lookup+0x334/0x630 [ 381.345678][ T1167] ip6_route_output_flags+0x259/0x480 [ 381.345678][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 381.345678][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 381.345678][ T1167] netlink_rcv_skb+0x130/0x360 [ 381.345678][ T1167] netlink_unicast+0x449/0x710 [ 381.345678][ T1167] netlink_sendmsg+0x723/0xbe0 [ 381.345678][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 381.345678][ T1167] ___sys_sendmsg+0xee/0x170 [ 381.345678][ T1167] __sys_sendmsg+0xcd/0x170 [ 381.345678][ T1167] do_syscall_64+0xc6/0x1e0 [ 381.345678][ T1167] [ 381.348128][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 381.348128][ T1167] netdev_get_by_index+0x5e/0x80 [ 381.348128][ T1167] fib6_nh_init+0x3d8/0x1580 [ 381.348128][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 381.348128][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 381.348128][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 381.348128][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 381.348128][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 381.348128][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 381.348128][ T1167] addrconf_dad_begin+0x310/0x670 [ 381.348128][ T1167] addrconf_dad_work+0x10b/0xab0 [ 381.348128][ T1167] process_one_work+0x84d/0x18a0 [ 381.348128][ T1167] worker_thread+0x587/0xd30 [ 381.348128][ T1167] kthread+0x28a/0x350 [ 381.348128][ T1167] ret_from_fork+0x31/0x70 [ 381.348128][ T1167] ret_from_fork_asm+0x1a/0x30 [ 381.348128][ T1167] [ 381.351629][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 381.351629][ T1167] netdev_get_by_index+0x5e/0x80 [ 381.351629][ T1167] fib6_nh_init+0x3d8/0x1580 [ 381.351629][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 381.351629][ T1167] ip6_route_add+0x1c/0x140 [ 381.351629][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 381.351629][ T1167] inet6_addr_add+0x4f8/0xa40 [ 381.351629][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 381.351629][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.351629][ T1167] netlink_rcv_skb+0x130/0x360 [ 381.351629][ T1167] netlink_unicast+0x449/0x710 [ 381.351629][ T1167] netlink_sendmsg+0x723/0xbe0 [ 381.351629][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 381.351629][ T1167] ___sys_sendmsg+0xee/0x170 [ 381.351629][ T1167] __sys_sendmsg+0xcd/0x170 [ 381.351629][ T1167] do_syscall_64+0xc6/0x1e0 [ 381.351629][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.351629][ T1167] [ 381.354745][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 381.354745][ T1167] netdev_get_by_index+0x5e/0x80 [ 381.354745][ T1167] fib6_nh_init+0x3d8/0x1580 [ 381.354745][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 381.354745][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 381.354745][ T1167] ipv6_add_addr+0x411/0x2000 [ 381.354745][ T1167] inet6_addr_add+0x30e/0xa40 [ 381.354745][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 381.354745][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.354745][ T1167] netlink_rcv_skb+0x130/0x360 [ 381.354745][ T1167] netlink_unicast+0x449/0x710 [ 381.354745][ T1167] netlink_sendmsg+0x723/0xbe0 [ 381.354745][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 381.354745][ T1167] ___sys_sendmsg+0xee/0x170 [ 381.354745][ T1167] __sys_sendmsg+0xcd/0x170 [ 381.354745][ T1167] do_syscall_64+0xc6/0x1e0 [ 381.354745][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.354745][ T1167] [ 381.357122][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 381.357122][ T1167] netdev_get_by_index+0x5e/0x80 [ 381.357122][ T1167] fib6_nh_init+0x3d8/0x1580 [ 381.357122][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 381.357122][ T1167] ip6_route_add+0x1c/0x140 [ 381.357122][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 381.357122][ T1167] addrconf_add_dev+0xe2/0x170 [ 381.357122][ T1167] inet6_addr_add+0x12f/0xa40 [ 381.357122][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 381.357122][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.357122][ T1167] netlink_rcv_skb+0x130/0x360 [ 381.357122][ T1167] netlink_unicast+0x449/0x710 [ 381.357122][ T1167] netlink_sendmsg+0x723/0xbe0 [ 381.357122][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 381.357122][ T1167] ___sys_sendmsg+0xee/0x170 [ 381.357122][ T1167] __sys_sendmsg+0xcd/0x170 [ 381.357122][ T1167] do_syscall_64+0xc6/0x1e0 [ 381.357122][ T1167] [ 381.359438][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 381.359438][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 381.359438][ T1167] ipv6_find_idev+0x102/0x170 [ 381.359438][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 381.359438][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.359438][ T1167] netlink_rcv_skb+0x130/0x360 [ 381.359438][ T1167] netlink_unicast+0x449/0x710 [ 381.359438][ T1167] netlink_sendmsg+0x723/0xbe0 [ 381.359438][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 381.359438][ T1167] ___sys_sendmsg+0xee/0x170 [ 381.359438][ T1167] __sys_sendmsg+0xcd/0x170 [ 381.359438][ T1167] do_syscall_64+0xc6/0x1e0 [ 381.359438][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.359438][ T1167] [ 381.361268][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 381.361268][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 381.361268][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 381.361268][ T1167] ipv6_find_idev+0x102/0x170 [ 381.361268][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 381.361268][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.361268][ T1167] netlink_rcv_skb+0x130/0x360 [ 381.361268][ T1167] netlink_unicast+0x449/0x710 [ 381.361268][ T1167] netlink_sendmsg+0x723/0xbe0 [ 381.361268][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 381.361268][ T1167] ___sys_sendmsg+0xee/0x170 [ 381.361268][ T1167] __sys_sendmsg+0xcd/0x170 [ 381.361268][ T1167] do_syscall_64+0xc6/0x1e0 [ 381.361268][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.361268][ T1167] [ 388.577112][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 388.577548][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 388.577548][ T10] netdev_get_by_index+0x5e/0x80 [ 388.577548][ T10] fib6_nh_init+0x3d8/0x1580 [ 388.577548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 388.577548][ T10] addrconf_f6i_alloc+0x265/0x560 [ 388.577548][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 388.577548][ T10] addrconf_join_anycast+0x1c0/0x220 [ 388.577548][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 388.577548][ T10] addrconf_dad_completed+0x12b/0xe20 [ 388.577548][ T10] addrconf_dad_begin+0x310/0x670 [ 388.577548][ T10] addrconf_dad_work+0x10b/0xab0 [ 388.577548][ T10] process_one_work+0x84d/0x18a0 [ 388.577548][ T10] worker_thread+0x587/0xd30 [ 388.577548][ T10] kthread+0x28a/0x350 [ 388.577548][ T10] ret_from_fork+0x31/0x70 [ 388.577548][ T10] ret_from_fork_asm+0x1a/0x30 [ 388.577548][ T10] [ 388.579794][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 388.579794][ T10] netdev_get_by_index+0x5e/0x80 [ 388.579794][ T10] fib6_nh_init+0x3d8/0x1580 [ 388.579794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 388.579794][ T10] ip6_route_add+0x1c/0x140 [ 388.579794][ T10] addrconf_prefix_route+0x2a6/0x430 [ 388.579794][ T10] inet6_addr_add+0x4f8/0xa40 [ 388.579794][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 388.579794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 388.579794][ T10] netlink_rcv_skb+0x130/0x360 [ 388.579794][ T10] netlink_unicast+0x449/0x710 [ 388.579794][ T10] netlink_sendmsg+0x723/0xbe0 [ 388.579794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 388.579794][ T10] ___sys_sendmsg+0xee/0x170 [ 388.579794][ T10] __sys_sendmsg+0xcd/0x170 [ 388.579794][ T10] do_syscall_64+0xc6/0x1e0 [ 388.579794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 388.579794][ T10] [ 388.582085][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 388.582085][ T10] netdev_get_by_index+0x5e/0x80 [ 388.582085][ T10] fib6_nh_init+0x3d8/0x1580 [ 388.582085][ T10] ip6_route_info_create+0xf18/0x17d0 [ 388.582085][ T10] addrconf_f6i_alloc+0x315/0x560 [ 388.582085][ T10] ipv6_add_addr+0x411/0x2000 [ 388.582085][ T10] inet6_addr_add+0x30e/0xa40 [ 388.582085][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 388.582085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 388.582085][ T10] netlink_rcv_skb+0x130/0x360 [ 388.582085][ T10] netlink_unicast+0x449/0x710 [ 388.582085][ T10] netlink_sendmsg+0x723/0xbe0 [ 388.582085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 388.582085][ T10] ___sys_sendmsg+0xee/0x170 [ 388.582085][ T10] __sys_sendmsg+0xcd/0x170 [ 388.582085][ T10] do_syscall_64+0xc6/0x1e0 [ 388.582085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 388.582085][ T10] [ 388.584335][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 388.584335][ T10] netdev_get_by_index+0x5e/0x80 [ 388.584335][ T10] fib6_nh_init+0x3d8/0x1580 [ 388.584335][ T10] ip6_route_info_create+0xf18/0x17d0 [ 388.584335][ T10] ip6_route_add+0x1c/0x140 [ 388.584335][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 388.584335][ T10] addrconf_add_dev+0xe2/0x170 [ 388.584335][ T10] inet6_addr_add+0x12f/0xa40 [ 388.584335][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 388.584335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 388.584335][ T10] netlink_rcv_skb+0x130/0x360 [ 388.584335][ T10] netlink_unicast+0x449/0x710 [ 388.584335][ T10] netlink_sendmsg+0x723/0xbe0 [ 388.584335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 388.584335][ T10] ___sys_sendmsg+0xee/0x170 [ 388.584335][ T10] __sys_sendmsg+0xcd/0x170 [ 388.584335][ T10] do_syscall_64+0xc6/0x1e0 [ 388.584335][ T10] [ 388.586541][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 388.586541][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 388.586541][ T10] ipv6_find_idev+0x102/0x170 [ 388.586541][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 388.586541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 388.586541][ T10] netlink_rcv_skb+0x130/0x360 [ 388.586541][ T10] netlink_unicast+0x449/0x710 [ 388.586541][ T10] netlink_sendmsg+0x723/0xbe0 [ 388.586541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 388.586541][ T10] ___sys_sendmsg+0xee/0x170 [ 388.586541][ T10] __sys_sendmsg+0xcd/0x170 [ 388.586541][ T10] do_syscall_64+0xc6/0x1e0 [ 388.586541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 388.586541][ T10] [ 388.588336][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 388.588336][ T10] neigh_parms_alloc+0x1e5/0x510 [ 388.588336][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 388.588336][ T10] ipv6_find_idev+0x102/0x170 [ 388.588336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 388.588336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 388.588336][ T10] netlink_rcv_skb+0x130/0x360 [ 388.588336][ T10] netlink_unicast+0x449/0x710 [ 388.588336][ T10] netlink_sendmsg+0x723/0xbe0 [ 388.588336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 388.588336][ T10] ___sys_sendmsg+0xee/0x170 [ 388.588336][ T10] __sys_sendmsg+0xcd/0x170 [ 388.588336][ T10] do_syscall_64+0xc6/0x1e0 [ 388.588336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 388.588336][ T10] [ 388.590340][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 388.590627][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 388.590627][ T10] netdev_get_by_index+0x5e/0x80 [ 388.590627][ T10] fib6_nh_init+0x3d8/0x1580 [ 388.590627][ T10] ip6_route_info_create+0xf18/0x17d0 [ 388.590627][ T10] addrconf_f6i_alloc+0x265/0x560 [ 388.590627][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 388.590627][ T10] addrconf_join_anycast+0x1c0/0x220 [ 388.590627][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 388.590627][ T10] addrconf_dad_completed+0x12b/0xe20 [ 388.590627][ T10] addrconf_dad_begin+0x310/0x670 [ 388.590627][ T10] addrconf_dad_work+0x10b/0xab0 [ 388.590627][ T10] process_one_work+0x84d/0x18a0 [ 388.590627][ T10] worker_thread+0x587/0xd30 [ 388.590627][ T10] kthread+0x28a/0x350 [ 388.590627][ T10] ret_from_fork+0x31/0x70 [ 388.590627][ T10] ret_from_fork_asm+0x1a/0x30 [ 388.590627][ T10] [ 388.592653][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 388.592653][ T10] netdev_get_by_index+0x5e/0x80 [ 388.592653][ T10] fib6_nh_init+0x3d8/0x1580 [ 388.592653][ T10] ip6_route_info_create+0xf18/0x17d0 [ 388.592653][ T10] ip6_route_add+0x1c/0x140 [ 388.592653][ T10] addrconf_prefix_route+0x2a6/0x430 [ 388.592653][ T10] inet6_addr_add+0x4f8/0xa40 [ 388.592653][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 388.592653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 388.592653][ T10] netlink_rcv_skb+0x130/0x360 [ 388.592653][ T10] netlink_unicast+0x449/0x710 [ 388.592653][ T10] netlink_sendmsg+0x723/0xbe0 [ 388.592653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 388.592653][ T10] ___sys_sendmsg+0xee/0x170 [ 388.592653][ T10] __sys_sendmsg+0xcd/0x170 [ 388.592653][ T10] do_syscall_64+0xc6/0x1e0 [ 388.592653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 388.592653][ T10] [ 388.594765][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 388.594765][ T10] netdev_get_by_index+0x5e/0x80 [ 388.594765][ T10] fib6_nh_init+0x3d8/0x1580 [ 388.594765][ T10] ip6_route_info_create+0xf18/0x17d0 [ 388.594765][ T10] addrconf_f6i_alloc+0x315/0x560 [ 388.594765][ T10] ipv6_add_addr+0x411/0x2000 [ 388.594765][ T10] inet6_addr_add+0x30e/0xa40 [ 388.594765][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 388.594765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 388.594765][ T10] netlink_rcv_skb+0x130/0x360 [ 388.594765][ T10] netlink_unicast+0x449/0x710 [ 388.594765][ T10] netlink_sendmsg+0x723/0xbe0 [ 388.594765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 388.594765][ T10] ___sys_sendmsg+0xee/0x170 [ 388.594765][ T10] __sys_sendmsg+0xcd/0x170 [ 388.594765][ T10] do_syscall_64+0xc6/0x1e0 [ 388.594765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 388.594765][ T10] [ 388.596859][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 388.596859][ T10] netdev_get_by_index+0x5e/0x80 [ 388.596859][ T10] fib6_nh_init+0x3d8/0x1580 [ 388.596859][ T10] ip6_route_info_create+0xf18/0x17d0 [ 388.596859][ T10] ip6_route_add+0x1c/0x140 [ 388.596859][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 388.596859][ T10] addrconf_add_dev+0xe2/0x170 [ 388.596859][ T10] inet6_addr_add+0x12f/0xa40 [ 388.596859][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 388.596859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 388.596859][ T10] netlink_rcv_skb+0x130/0x360 [ 388.596859][ T10] netlink_unicast+0x449/0x710 [ 388.596859][ T10] netlink_sendmsg+0x723/0xbe0 [ 388.596859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 388.596859][ T10] ___sys_sendmsg+0xee/0x170 [ 388.596859][ T10] __sys_sendmsg+0xcd/0x170 [ 388.596859][ T10] do_syscall_64+0xc6/0x1e0 [ 388.596859][ T10] [ 388.598814][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 388.598814][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 388.598814][ T10] ipv6_find_idev+0x102/0x170 [ 388.598814][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 388.598814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 388.598814][ T10] netlink_rcv_skb+0x130/0x360 [ 388.598814][ T10] netlink_unicast+0x449/0x710 [ 388.598814][ T10] netlink_sendmsg+0x723/0xbe0 [ 388.598814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 388.598814][ T10] ___sys_sendmsg+0xee/0x170 [ 388.598814][ T10] __sys_sendmsg+0xcd/0x170 [ 388.598814][ T10] do_syscall_64+0xc6/0x1e0 [ 388.598814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 388.598814][ T10] [ 388.600373][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 388.600373][ T10] neigh_parms_alloc+0x1e5/0x510 [ 388.600373][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 388.600373][ T10] ipv6_find_idev+0x102/0x170 [ 388.600373][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 388.600373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 388.600373][ T10] netlink_rcv_skb+0x130/0x360 [ 388.600373][ T10] netlink_unicast+0x449/0x710 [ 388.600373][ T10] netlink_sendmsg+0x723/0xbe0 [ 388.600373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 388.600373][ T10] ___sys_sendmsg+0xee/0x170 [ 388.600373][ T10] __sys_sendmsg+0xcd/0x170 [ 388.600373][ T10] do_syscall_64+0xc6/0x1e0 [ 388.600373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 388.600373][ T10] [ 388.602071][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 388.602356][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 388.602356][ T10] netdev_get_by_index+0x5e/0x80 [ 388.602356][ T10] fib6_nh_init+0x3d8/0x1580 [ 388.602356][ T10] ip6_route_info_create+0xf18/0x17d0 [ 388.602356][ T10] addrconf_f6i_alloc+0x265/0x560 [ 388.602356][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 388.602356][ T10] addrconf_join_anycast+0x1c0/0x220 [ 388.602356][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 388.602356][ T10] addrconf_dad_completed+0x12b/0xe20 [ 388.602356][ T10] addrconf_dad_begin+0x310/0x670 [ 388.602356][ T10] addrconf_dad_work+0x10b/0xab0 [ 388.602356][ T10] process_one_work+0x84d/0x18a0 [ 388.602356][ T10] worker_thread+0x587/0xd30 [ 388.602356][ T10] kthread+0x28a/0x350 [ 388.602356][ T10] ret_from_fork+0x31/0x70 [ 388.602356][ T10] ret_from_fork_asm+0x1a/0x30 [ 388.602356][ T10] [ 388.604437][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 388.604437][ T10] netdev_get_by_index+0x5e/0x80 [ 388.604437][ T10] fib6_nh_init+0x3d8/0x1580 [ 388.604437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 388.604437][ T10] ip6_route_add+0x1c/0x140 [ 388.604437][ T10] addrconf_prefix_route+0x2a6/0x430 [ 388.604437][ T10] inet6_addr_add+0x4f8/0xa40 [ 388.604437][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 388.604437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 388.604437][ T10] netlink_rcv_skb+0x130/0x360 [ 388.604437][ T10] netlink_unicast+0x449/0x710 [ 388.604437][ T10] netlink_sendmsg+0x723/0xbe0 [ 388.604437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 388.604437][ T10] ___sys_sendmsg+0xee/0x170 [ 388.604437][ T10] __sys_sendmsg+0xcd/0x170 [ 388.604437][ T10] do_syscall_64+0xc6/0x1e0 [ 388.604437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 388.604437][ T10] [ 388.606809][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 388.606809][ T10] netdev_get_by_index+0x5e/0x80 [ 388.606809][ T10] fib6_nh_init+0x3d8/0x1580 [ 388.606809][ T10] ip6_route_info_create+0xf18/0x17d0 [ 388.606809][ T10] addrconf_f6i_alloc+0x315/0x560 [ 388.606809][ T10] ipv6_add_addr+0x411/0x2000 [ 388.606809][ T10] inet6_addr_add+0x30e/0xa40 [ 388.606809][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 388.606809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 388.606809][ T10] netlink_rcv_skb+0x130/0x360 [ 388.606809][ T10] netlink_unicast+0x449/0x710 [ 388.606809][ T10] netlink_sendmsg+0x723/0xbe0 [ 388.606809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 388.606809][ T10] ___sys_sendmsg+0xee/0x170 [ 388.606809][ T10] __sys_sendmsg+0xcd/0x170 [ 388.606809][ T10] do_syscall_64+0xc6/0x1e0 [ 388.606809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 388.606809][ T10] [ 388.609298][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 388.609298][ T10] netdev_get_by_index+0x5e/0x80 [ 388.609298][ T10] fib6_nh_init+0x3d8/0x1580 [ 388.609298][ T10] ip6_route_info_create+0xf18/0x17d0 [ 388.609298][ T10] ip6_route_add+0x1c/0x140 [ 388.609298][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 388.609298][ T10] addrconf_add_dev+0xe2/0x170 [ 388.609298][ T10] inet6_addr_add+0x12f/0xa40 [ 388.609298][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 388.609298][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 388.609298][ T10] netlink_rcv_skb+0x130/0x360 [ 388.609298][ T10] netlink_unicast+0x449/0x710 [ 388.609298][ T10] netlink_sendmsg+0x723/0xbe0 [ 388.609298][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 388.609298][ T10] ___sys_sendmsg+0xee/0x170 [ 388.609298][ T10] __sys_sendmsg+0xcd/0x170 [ 388.609298][ T10] do_syscall_64+0xc6/0x1e0 [ 388.609298][ T10] [ 388.611641][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 388.611641][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 388.611641][ T10] ipv6_find_idev+0x102/0x170 [ 388.611641][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 388.611641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 388.611641][ T10] netlink_rcv_skb+0x130/0x360 [ 388.611641][ T10] netlink_unicast+0x449/0x710 [ 388.611641][ T10] netlink_sendmsg+0x723/0xbe0 [ 388.611641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 388.611641][ T10] ___sys_sendmsg+0xee/0x170 [ 388.611641][ T10] __sys_sendmsg+0xcd/0x170 [ 388.611641][ T10] do_syscall_64+0xc6/0x1e0 [ 388.611641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 388.611641][ T10] [ 388.613469][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 388.613469][ T10] neigh_parms_alloc+0x1e5/0x510 [ 388.613469][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 388.613469][ T10] ipv6_find_idev+0x102/0x170 [ 388.613469][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 388.613469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 388.613469][ T10] netlink_rcv_skb+0x130/0x360 [ 388.613469][ T10] netlink_unicast+0x449/0x710 [ 388.613469][ T10] netlink_sendmsg+0x723/0xbe0 [ 388.613469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 388.613469][ T10] ___sys_sendmsg+0xee/0x170 [ 388.613469][ T10] __sys_sendmsg+0xcd/0x170 [ 388.613469][ T10] do_syscall_64+0xc6/0x1e0 [ 388.613469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 388.613469][ T10] [ 388.615553][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 388.615828][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 388.615828][ T10] netdev_get_by_index+0x5e/0x80 [ 388.615828][ T10] fib6_nh_init+0x3d8/0x1580 [ 388.615828][ T10] ip6_route_info_create+0xf18/0x17d0 [ 388.615828][ T10] addrconf_f6i_alloc+0x265/0x560 [ 388.615828][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 388.615828][ T10] addrconf_join_anycast+0x1c0/0x220 [ 388.615828][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 388.615828][ T10] addrconf_dad_completed+0x12b/0xe20 [ 388.615828][ T10] addrconf_dad_begin+0x310/0x670 [ 388.615828][ T10] addrconf_dad_work+0x10b/0xab0 [ 388.615828][ T10] process_one_work+0x84d/0x18a0 [ 388.615828][ T10] worker_thread+0x587/0xd30 [ 388.615828][ T10] kthread+0x28a/0x350 [ 388.615828][ T10] ret_from_fork+0x31/0x70 [ 388.615828][ T10] ret_from_fork_asm+0x1a/0x30 [ 388.615828][ T10] [ 388.618429][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 388.618429][ T10] netdev_get_by_index+0x5e/0x80 [ 388.618429][ T10] fib6_nh_init+0x3d8/0x1580 [ 388.618429][ T10] ip6_route_info_create+0xf18/0x17d0 [ 388.618429][ T10] ip6_route_add+0x1c/0x140 [ 388.618429][ T10] addrconf_prefix_route+0x2a6/0x430 [ 388.618429][ T10] inet6_addr_add+0x4f8/0xa40 [ 388.618429][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 388.618429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 388.618429][ T10] netlink_rcv_skb+0x130/0x360 [ 388.618429][ T10] netlink_unicast+0x449/0x710 [ 388.618429][ T10] netlink_sendmsg+0x723/0xbe0 [ 388.618429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 388.618429][ T10] ___sys_sendmsg+0xee/0x170 [ 388.618429][ T10] __sys_sendmsg+0xcd/0x170 [ 388.618429][ T10] do_syscall_64+0xc6/0x1e0 [ 388.618429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 388.618429][ T10] [ 388.620929][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 388.620929][ T10] netdev_get_by_index+0x5e/0x80 [ 388.620929][ T10] fib6_nh_init+0x3d8/0x1580 [ 388.620929][ T10] ip6_route_info_create+0xf18/0x17d0 [ 388.620929][ T10] addrconf_f6i_alloc+0x315/0x560 [ 388.620929][ T10] ipv6_add_addr+0x411/0x2000 [ 388.620929][ T10] inet6_addr_add+0x30e/0xa40 [ 388.620929][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 388.620929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 388.620929][ T10] netlink_rcv_skb+0x130/0x360 [ 388.620929][ T10] netlink_unicast+0x449/0x710 [ 388.620929][ T10] netlink_sendmsg+0x723/0xbe0 [ 388.620929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 388.620929][ T10] ___sys_sendmsg+0xee/0x170 [ 388.620929][ T10] __sys_sendmsg+0xcd/0x170 [ 388.620929][ T10] do_syscall_64+0xc6/0x1e0 [ 388.620929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 388.620929][ T10] [ 388.623442][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 388.623442][ T10] netdev_get_by_index+0x5e/0x80 [ 388.623442][ T10] fib6_nh_init+0x3d8/0x1580 [ 388.623442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 388.623442][ T10] ip6_route_add+0x1c/0x140 [ 388.623442][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 388.623442][ T10] addrconf_add_dev+0xe2/0x170 [ 388.623442][ T10] inet6_addr_add+0x12f/0xa40 [ 388.623442][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 388.623442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 388.623442][ T10] netlink_rcv_skb+0x130/0x360 [ 388.623442][ T10] netlink_unicast+0x449/0x710 [ 388.623442][ T10] netlink_sendmsg+0x723/0xbe0 [ 388.623442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 388.623442][ T10] ___sys_sendmsg+0xee/0x170 [ 388.623442][ T10] __sys_sendmsg+0xcd/0x170 [ 388.623442][ T10] do_syscall_64+0xc6/0x1e0 [ 388.623442][ T10] [ 388.625841][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 388.625841][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 388.625841][ T10] ipv6_find_idev+0x102/0x170 [ 388.625841][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 388.625841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 388.625841][ T10] netlink_rcv_skb+0x130/0x360 [ 388.625841][ T10] netlink_unicast+0x449/0x710 [ 388.625841][ T10] netlink_sendmsg+0x723/0xbe0 [ 388.625841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 388.625841][ T10] ___sys_sendmsg+0xee/0x170 [ 388.625841][ T10] __sys_sendmsg+0xcd/0x170 [ 388.625841][ T10] do_syscall_64+0xc6/0x1e0 [ 388.625841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 388.625841][ T10] [ 388.627752][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 388.627752][ T10] neigh_parms_alloc+0x1e5/0x510 [ 388.627752][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 388.627752][ T10] ipv6_find_idev+0x102/0x170 [ 388.627752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 388.627752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 388.627752][ T10] netlink_rcv_skb+0x130/0x360 [ 388.627752][ T10] netlink_unicast+0x449/0x710 [ 388.627752][ T10] netlink_sendmsg+0x723/0xbe0 [ 388.627752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 388.627752][ T10] ___sys_sendmsg+0xee/0x170 [ 388.627752][ T10] __sys_sendmsg+0xcd/0x170 [ 388.627752][ T10] do_syscall_64+0xc6/0x1e0 [ 388.627752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 388.627752][ T10] [ 391.393213][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 391.393891][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 391.393891][ T1167] dst_init+0x84/0x4a0 [ 391.393891][ T1167] dst_alloc+0x97/0x150 [ 391.393891][ T1167] ip6_dst_alloc+0x23/0x90 [ 391.393891][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 391.393891][ T1167] ip6_pol_route+0x56f/0x840 [ 391.393891][ T1167] fib6_rule_lookup+0x334/0x630 [ 391.393891][ T1167] ip6_route_output_flags+0x259/0x480 [ 391.393891][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 391.393891][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 391.393891][ T1167] netlink_rcv_skb+0x130/0x360 [ 391.393891][ T1167] netlink_unicast+0x449/0x710 [ 391.393891][ T1167] netlink_sendmsg+0x723/0xbe0 [ 391.393891][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 391.393891][ T1167] ___sys_sendmsg+0xee/0x170 [ 391.393891][ T1167] __sys_sendmsg+0xcd/0x170 [ 391.393891][ T1167] do_syscall_64+0xc6/0x1e0 [ 391.393891][ T1167] [ 391.397527][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 391.397527][ T1167] netdev_get_by_index+0x5e/0x80 [ 391.397527][ T1167] fib6_nh_init+0x3d8/0x1580 [ 391.397527][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 391.397527][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 391.397527][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 391.397527][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 391.397527][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 391.397527][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 391.397527][ T1167] addrconf_dad_begin+0x310/0x670 [ 391.397527][ T1167] addrconf_dad_work+0x10b/0xab0 [ 391.397527][ T1167] process_one_work+0x84d/0x18a0 [ 391.397527][ T1167] worker_thread+0x587/0xd30 [ 391.397527][ T1167] kthread+0x28a/0x350 [ 391.397527][ T1167] ret_from_fork+0x31/0x70 [ 391.397527][ T1167] ret_from_fork_asm+0x1a/0x30 [ 391.397527][ T1167] [ 391.401180][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 391.401180][ T1167] netdev_get_by_index+0x5e/0x80 [ 391.401180][ T1167] fib6_nh_init+0x3d8/0x1580 [ 391.401180][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 391.401180][ T1167] ip6_route_add+0x1c/0x140 [ 391.401180][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 391.401180][ T1167] inet6_addr_add+0x4f8/0xa40 [ 391.401180][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 391.401180][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 391.401180][ T1167] netlink_rcv_skb+0x130/0x360 [ 391.401180][ T1167] netlink_unicast+0x449/0x710 [ 391.401180][ T1167] netlink_sendmsg+0x723/0xbe0 [ 391.401180][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 391.401180][ T1167] ___sys_sendmsg+0xee/0x170 [ 391.401180][ T1167] __sys_sendmsg+0xcd/0x170 [ 391.401180][ T1167] do_syscall_64+0xc6/0x1e0 [ 391.401180][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 391.401180][ T1167] [ 391.404846][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 391.404846][ T1167] netdev_get_by_index+0x5e/0x80 [ 391.404846][ T1167] fib6_nh_init+0x3d8/0x1580 [ 391.404846][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 391.404846][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 391.404846][ T1167] ipv6_add_addr+0x411/0x2000 [ 391.404846][ T1167] inet6_addr_add+0x30e/0xa40 [ 391.404846][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 391.404846][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 391.404846][ T1167] netlink_rcv_skb+0x130/0x360 [ 391.404846][ T1167] netlink_unicast+0x449/0x710 [ 391.404846][ T1167] netlink_sendmsg+0x723/0xbe0 [ 391.404846][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 391.404846][ T1167] ___sys_sendmsg+0xee/0x170 [ 391.404846][ T1167] __sys_sendmsg+0xcd/0x170 [ 391.404846][ T1167] do_syscall_64+0xc6/0x1e0 [ 391.404846][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 391.404846][ T1167] [ 391.408560][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 391.408560][ T1167] netdev_get_by_index+0x5e/0x80 [ 391.408560][ T1167] fib6_nh_init+0x3d8/0x1580 [ 391.408560][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 391.408560][ T1167] ip6_route_add+0x1c/0x140 [ 391.408560][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 391.408560][ T1167] addrconf_add_dev+0xe2/0x170 [ 391.408560][ T1167] inet6_addr_add+0x12f/0xa40 [ 391.408560][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 391.408560][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 391.408560][ T1167] netlink_rcv_skb+0x130/0x360 [ 391.408560][ T1167] netlink_unicast+0x449/0x710 [ 391.408560][ T1167] netlink_sendmsg+0x723/0xbe0 [ 391.408560][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 391.408560][ T1167] ___sys_sendmsg+0xee/0x170 [ 391.408560][ T1167] __sys_sendmsg+0xcd/0x170 [ 391.408560][ T1167] do_syscall_64+0xc6/0x1e0 [ 391.408560][ T1167] [ 391.412064][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 391.412064][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 391.412064][ T1167] ipv6_find_idev+0x102/0x170 [ 391.412064][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 391.412064][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 391.412064][ T1167] netlink_rcv_skb+0x130/0x360 [ 391.412064][ T1167] netlink_unicast+0x449/0x710 [ 391.412064][ T1167] netlink_sendmsg+0x723/0xbe0 [ 391.412064][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 391.412064][ T1167] ___sys_sendmsg+0xee/0x170 [ 391.412064][ T1167] __sys_sendmsg+0xcd/0x170 [ 391.412064][ T1167] do_syscall_64+0xc6/0x1e0 [ 391.412064][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 391.412064][ T1167] [ 391.414897][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 391.414897][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 391.414897][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 391.414897][ T1167] ipv6_find_idev+0x102/0x170 [ 391.414897][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 391.414897][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 391.414897][ T1167] netlink_rcv_skb+0x130/0x360 [ 391.414897][ T1167] netlink_unicast+0x449/0x710 [ 391.414897][ T1167] netlink_sendmsg+0x723/0xbe0 [ 391.414897][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 391.414897][ T1167] ___sys_sendmsg+0xee/0x170 [ 391.414897][ T1167] __sys_sendmsg+0xcd/0x170 [ 391.414897][ T1167] do_syscall_64+0xc6/0x1e0 [ 391.414897][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 391.414897][ T1167] [ 398.841126][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 398.841555][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 398.841555][ T10] netdev_get_by_index+0x5e/0x80 [ 398.841555][ T10] fib6_nh_init+0x3d8/0x1580 [ 398.841555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 398.841555][ T10] addrconf_f6i_alloc+0x265/0x560 [ 398.841555][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 398.841555][ T10] addrconf_join_anycast+0x1c0/0x220 [ 398.841555][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 398.841555][ T10] addrconf_dad_completed+0x12b/0xe20 [ 398.841555][ T10] addrconf_dad_begin+0x310/0x670 [ 398.841555][ T10] addrconf_dad_work+0x10b/0xab0 [ 398.841555][ T10] process_one_work+0x84d/0x18a0 [ 398.841555][ T10] worker_thread+0x587/0xd30 [ 398.841555][ T10] kthread+0x28a/0x350 [ 398.841555][ T10] ret_from_fork+0x31/0x70 [ 398.841555][ T10] ret_from_fork_asm+0x1a/0x30 [ 398.841555][ T10] [ 398.843503][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 398.843503][ T10] netdev_get_by_index+0x5e/0x80 [ 398.843503][ T10] fib6_nh_init+0x3d8/0x1580 [ 398.843503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 398.843503][ T10] ip6_route_add+0x1c/0x140 [ 398.843503][ T10] addrconf_prefix_route+0x2a6/0x430 [ 398.843503][ T10] inet6_addr_add+0x4f8/0xa40 [ 398.843503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 398.843503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 398.843503][ T10] netlink_rcv_skb+0x130/0x360 [ 398.843503][ T10] netlink_unicast+0x449/0x710 [ 398.843503][ T10] netlink_sendmsg+0x723/0xbe0 [ 398.843503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 398.843503][ T10] ___sys_sendmsg+0xee/0x170 [ 398.843503][ T10] __sys_sendmsg+0xcd/0x170 [ 398.843503][ T10] do_syscall_64+0xc6/0x1e0 [ 398.843503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 398.843503][ T10] [ 398.845586][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 398.845586][ T10] netdev_get_by_index+0x5e/0x80 [ 398.845586][ T10] fib6_nh_init+0x3d8/0x1580 [ 398.845586][ T10] ip6_route_info_create+0xf18/0x17d0 [ 398.845586][ T10] addrconf_f6i_alloc+0x315/0x560 [ 398.845586][ T10] ipv6_add_addr+0x411/0x2000 [ 398.845586][ T10] inet6_addr_add+0x30e/0xa40 [ 398.845586][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 398.845586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 398.845586][ T10] netlink_rcv_skb+0x130/0x360 [ 398.845586][ T10] netlink_unicast+0x449/0x710 [ 398.845586][ T10] netlink_sendmsg+0x723/0xbe0 [ 398.845586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 398.845586][ T10] ___sys_sendmsg+0xee/0x170 [ 398.845586][ T10] __sys_sendmsg+0xcd/0x170 [ 398.845586][ T10] do_syscall_64+0xc6/0x1e0 [ 398.845586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 398.845586][ T10] [ 398.847613][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 398.847613][ T10] netdev_get_by_index+0x5e/0x80 [ 398.847613][ T10] fib6_nh_init+0x3d8/0x1580 [ 398.847613][ T10] ip6_route_info_create+0xf18/0x17d0 [ 398.847613][ T10] ip6_route_add+0x1c/0x140 [ 398.847613][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 398.847613][ T10] addrconf_add_dev+0xe2/0x170 [ 398.847613][ T10] inet6_addr_add+0x12f/0xa40 [ 398.847613][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 398.847613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 398.847613][ T10] netlink_rcv_skb+0x130/0x360 [ 398.847613][ T10] netlink_unicast+0x449/0x710 [ 398.847613][ T10] netlink_sendmsg+0x723/0xbe0 [ 398.847613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 398.847613][ T10] ___sys_sendmsg+0xee/0x170 [ 398.847613][ T10] __sys_sendmsg+0xcd/0x170 [ 398.847613][ T10] do_syscall_64+0xc6/0x1e0 [ 398.847613][ T10] [ 398.849636][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 398.849636][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 398.849636][ T10] ipv6_find_idev+0x102/0x170 [ 398.849636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 398.849636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 398.849636][ T10] netlink_rcv_skb+0x130/0x360 [ 398.849636][ T10] netlink_unicast+0x449/0x710 [ 398.849636][ T10] netlink_sendmsg+0x723/0xbe0 [ 398.849636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 398.849636][ T10] ___sys_sendmsg+0xee/0x170 [ 398.849636][ T10] __sys_sendmsg+0xcd/0x170 [ 398.849636][ T10] do_syscall_64+0xc6/0x1e0 [ 398.849636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 398.849636][ T10] [ 398.851201][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 398.851201][ T10] neigh_parms_alloc+0x1e5/0x510 [ 398.851201][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 398.851201][ T10] ipv6_find_idev+0x102/0x170 [ 398.851201][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 398.851201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 398.851201][ T10] netlink_rcv_skb+0x130/0x360 [ 398.851201][ T10] netlink_unicast+0x449/0x710 [ 398.851201][ T10] netlink_sendmsg+0x723/0xbe0 [ 398.851201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 398.851201][ T10] ___sys_sendmsg+0xee/0x170 [ 398.851201][ T10] __sys_sendmsg+0xcd/0x170 [ 398.851201][ T10] do_syscall_64+0xc6/0x1e0 [ 398.851201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 398.851201][ T10] [ 398.852957][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 398.853230][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 398.853230][ T10] netdev_get_by_index+0x5e/0x80 [ 398.853230][ T10] fib6_nh_init+0x3d8/0x1580 [ 398.853230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 398.853230][ T10] addrconf_f6i_alloc+0x265/0x560 [ 398.853230][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 398.853230][ T10] addrconf_join_anycast+0x1c0/0x220 [ 398.853230][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 398.853230][ T10] addrconf_dad_completed+0x12b/0xe20 [ 398.853230][ T10] addrconf_dad_begin+0x310/0x670 [ 398.853230][ T10] addrconf_dad_work+0x10b/0xab0 [ 398.853230][ T10] process_one_work+0x84d/0x18a0 [ 398.853230][ T10] worker_thread+0x587/0xd30 [ 398.853230][ T10] kthread+0x28a/0x350 [ 398.853230][ T10] ret_from_fork+0x31/0x70 [ 398.853230][ T10] ret_from_fork_asm+0x1a/0x30 [ 398.853230][ T10] [ 398.855149][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 398.855149][ T10] netdev_get_by_index+0x5e/0x80 [ 398.855149][ T10] fib6_nh_init+0x3d8/0x1580 [ 398.855149][ T10] ip6_route_info_create+0xf18/0x17d0 [ 398.855149][ T10] ip6_route_add+0x1c/0x140 [ 398.855149][ T10] addrconf_prefix_route+0x2a6/0x430 [ 398.855149][ T10] inet6_addr_add+0x4f8/0xa40 [ 398.855149][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 398.855149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 398.855149][ T10] netlink_rcv_skb+0x130/0x360 [ 398.855149][ T10] netlink_unicast+0x449/0x710 [ 398.855149][ T10] netlink_sendmsg+0x723/0xbe0 [ 398.855149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 398.855149][ T10] ___sys_sendmsg+0xee/0x170 [ 398.855149][ T10] __sys_sendmsg+0xcd/0x170 [ 398.855149][ T10] do_syscall_64+0xc6/0x1e0 [ 398.855149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 398.855149][ T10] [ 398.857221][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 398.857221][ T10] netdev_get_by_index+0x5e/0x80 [ 398.857221][ T10] fib6_nh_init+0x3d8/0x1580 [ 398.857221][ T10] ip6_route_info_create+0xf18/0x17d0 [ 398.857221][ T10] addrconf_f6i_alloc+0x315/0x560 [ 398.857221][ T10] ipv6_add_addr+0x411/0x2000 [ 398.857221][ T10] inet6_addr_add+0x30e/0xa40 [ 398.857221][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 398.857221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 398.857221][ T10] netlink_rcv_skb+0x130/0x360 [ 398.857221][ T10] netlink_unicast+0x449/0x710 [ 398.857221][ T10] netlink_sendmsg+0x723/0xbe0 [ 398.857221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 398.857221][ T10] ___sys_sendmsg+0xee/0x170 [ 398.857221][ T10] __sys_sendmsg+0xcd/0x170 [ 398.857221][ T10] do_syscall_64+0xc6/0x1e0 [ 398.857221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 398.857221][ T10] [ 398.859235][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 398.859235][ T10] netdev_get_by_index+0x5e/0x80 [ 398.859235][ T10] fib6_nh_init+0x3d8/0x1580 [ 398.859235][ T10] ip6_route_info_create+0xf18/0x17d0 [ 398.859235][ T10] ip6_route_add+0x1c/0x140 [ 398.859235][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 398.859235][ T10] addrconf_add_dev+0xe2/0x170 [ 398.859235][ T10] inet6_addr_add+0x12f/0xa40 [ 398.859235][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 398.859235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 398.859235][ T10] netlink_rcv_skb+0x130/0x360 [ 398.859235][ T10] netlink_unicast+0x449/0x710 [ 398.859235][ T10] netlink_sendmsg+0x723/0xbe0 [ 398.859235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 398.859235][ T10] ___sys_sendmsg+0xee/0x170 [ 398.859235][ T10] __sys_sendmsg+0xcd/0x170 [ 398.859235][ T10] do_syscall_64+0xc6/0x1e0 [ 398.859235][ T10] [ 398.861320][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 398.861320][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 398.861320][ T10] ipv6_find_idev+0x102/0x170 [ 398.861320][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 398.861320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 398.861320][ T10] netlink_rcv_skb+0x130/0x360 [ 398.861320][ T10] netlink_unicast+0x449/0x710 [ 398.861320][ T10] netlink_sendmsg+0x723/0xbe0 [ 398.861320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 398.861320][ T10] ___sys_sendmsg+0xee/0x170 [ 398.861320][ T10] __sys_sendmsg+0xcd/0x170 [ 398.861320][ T10] do_syscall_64+0xc6/0x1e0 [ 398.861320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 398.861320][ T10] [ 398.862863][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 398.862863][ T10] neigh_parms_alloc+0x1e5/0x510 [ 398.862863][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 398.862863][ T10] ipv6_find_idev+0x102/0x170 [ 398.862863][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 398.862863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 398.862863][ T10] netlink_rcv_skb+0x130/0x360 [ 398.862863][ T10] netlink_unicast+0x449/0x710 [ 398.862863][ T10] netlink_sendmsg+0x723/0xbe0 [ 398.862863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 398.862863][ T10] ___sys_sendmsg+0xee/0x170 [ 398.862863][ T10] __sys_sendmsg+0xcd/0x170 [ 398.862863][ T10] do_syscall_64+0xc6/0x1e0 [ 398.862863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 398.862863][ T10] [ 398.864640][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 398.864894][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 398.864894][ T10] netdev_get_by_index+0x5e/0x80 [ 398.864894][ T10] fib6_nh_init+0x3d8/0x1580 [ 398.864894][ T10] ip6_route_info_create+0xf18/0x17d0 [ 398.864894][ T10] addrconf_f6i_alloc+0x265/0x560 [ 398.864894][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 398.864894][ T10] addrconf_join_anycast+0x1c0/0x220 [ 398.864894][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 398.864894][ T10] addrconf_dad_completed+0x12b/0xe20 [ 398.864894][ T10] addrconf_dad_begin+0x310/0x670 [ 398.864894][ T10] addrconf_dad_work+0x10b/0xab0 [ 398.864894][ T10] process_one_work+0x84d/0x18a0 [ 398.864894][ T10] worker_thread+0x587/0xd30 [ 398.864894][ T10] kthread+0x28a/0x350 [ 398.864894][ T10] ret_from_fork+0x31/0x70 [ 398.864894][ T10] ret_from_fork_asm+0x1a/0x30 [ 398.864894][ T10] [ 398.866832][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 398.866832][ T10] netdev_get_by_index+0x5e/0x80 [ 398.866832][ T10] fib6_nh_init+0x3d8/0x1580 [ 398.866832][ T10] ip6_route_info_create+0xf18/0x17d0 [ 398.866832][ T10] ip6_route_add+0x1c/0x140 [ 398.866832][ T10] addrconf_prefix_route+0x2a6/0x430 [ 398.866832][ T10] inet6_addr_add+0x4f8/0xa40 [ 398.866832][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 398.866832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 398.866832][ T10] netlink_rcv_skb+0x130/0x360 [ 398.866832][ T10] netlink_unicast+0x449/0x710 [ 398.866832][ T10] netlink_sendmsg+0x723/0xbe0 [ 398.866832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 398.866832][ T10] ___sys_sendmsg+0xee/0x170 [ 398.866832][ T10] __sys_sendmsg+0xcd/0x170 [ 398.866832][ T10] do_syscall_64+0xc6/0x1e0 [ 398.866832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 398.866832][ T10] [ 398.869063][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 398.869063][ T10] netdev_get_by_index+0x5e/0x80 [ 398.869063][ T10] fib6_nh_init+0x3d8/0x1580 [ 398.869063][ T10] ip6_route_info_create+0xf18/0x17d0 [ 398.869063][ T10] addrconf_f6i_alloc+0x315/0x560 [ 398.869063][ T10] ipv6_add_addr+0x411/0x2000 [ 398.869063][ T10] inet6_addr_add+0x30e/0xa40 [ 398.869063][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 398.869063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 398.869063][ T10] netlink_rcv_skb+0x130/0x360 [ 398.869063][ T10] netlink_unicast+0x449/0x710 [ 398.869063][ T10] netlink_sendmsg+0x723/0xbe0 [ 398.869063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 398.869063][ T10] ___sys_sendmsg+0xee/0x170 [ 398.869063][ T10] __sys_sendmsg+0xcd/0x170 [ 398.869063][ T10] do_syscall_64+0xc6/0x1e0 [ 398.869063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 398.869063][ T10] [ 398.871374][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 398.871374][ T10] netdev_get_by_index+0x5e/0x80 [ 398.871374][ T10] fib6_nh_init+0x3d8/0x1580 [ 398.871374][ T10] ip6_route_info_create+0xf18/0x17d0 [ 398.871374][ T10] ip6_route_add+0x1c/0x140 [ 398.871374][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 398.871374][ T10] addrconf_add_dev+0xe2/0x170 [ 398.871374][ T10] inet6_addr_add+0x12f/0xa40 [ 398.871374][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 398.871374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 398.871374][ T10] netlink_rcv_skb+0x130/0x360 [ 398.871374][ T10] netlink_unicast+0x449/0x710 [ 398.871374][ T10] netlink_sendmsg+0x723/0xbe0 [ 398.871374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 398.871374][ T10] ___sys_sendmsg+0xee/0x170 [ 398.871374][ T10] __sys_sendmsg+0xcd/0x170 [ 398.871374][ T10] do_syscall_64+0xc6/0x1e0 [ 398.871374][ T10] [ 398.874809][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 398.874809][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 398.874809][ T10] ipv6_find_idev+0x102/0x170 [ 398.874809][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 398.874809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 398.874809][ T10] netlink_rcv_skb+0x130/0x360 [ 398.874809][ T10] netlink_unicast+0x449/0x710 [ 398.874809][ T10] netlink_sendmsg+0x723/0xbe0 [ 398.874809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 398.874809][ T10] ___sys_sendmsg+0xee/0x170 [ 398.874809][ T10] __sys_sendmsg+0xcd/0x170 [ 398.874809][ T10] do_syscall_64+0xc6/0x1e0 [ 398.874809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 398.874809][ T10] [ 398.877449][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 398.877449][ T10] neigh_parms_alloc+0x1e5/0x510 [ 398.877449][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 398.877449][ T10] ipv6_find_idev+0x102/0x170 [ 398.877449][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 398.877449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 398.877449][ T10] netlink_rcv_skb+0x130/0x360 [ 398.877449][ T10] netlink_unicast+0x449/0x710 [ 398.877449][ T10] netlink_sendmsg+0x723/0xbe0 [ 398.877449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 398.877449][ T10] ___sys_sendmsg+0xee/0x170 [ 398.877449][ T10] __sys_sendmsg+0xcd/0x170 [ 398.877449][ T10] do_syscall_64+0xc6/0x1e0 [ 398.877449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 398.877449][ T10] [ 398.879855][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 398.880557][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 398.880557][ T10] netdev_get_by_index+0x5e/0x80 [ 398.880557][ T10] fib6_nh_init+0x3d8/0x1580 [ 398.880557][ T10] ip6_route_info_create+0xf18/0x17d0 [ 398.880557][ T10] addrconf_f6i_alloc+0x265/0x560 [ 398.880557][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 398.880557][ T10] addrconf_join_anycast+0x1c0/0x220 [ 398.880557][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 398.880557][ T10] addrconf_dad_completed+0x12b/0xe20 [ 398.880557][ T10] addrconf_dad_begin+0x310/0x670 [ 398.880557][ T10] addrconf_dad_work+0x10b/0xab0 [ 398.880557][ T10] process_one_work+0x84d/0x18a0 [ 398.880557][ T10] worker_thread+0x587/0xd30 [ 398.880557][ T10] kthread+0x28a/0x350 [ 398.880557][ T10] ret_from_fork+0x31/0x70 [ 398.880557][ T10] ret_from_fork_asm+0x1a/0x30 [ 398.880557][ T10] [ 398.882518][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 398.882518][ T10] netdev_get_by_index+0x5e/0x80 [ 398.882518][ T10] fib6_nh_init+0x3d8/0x1580 [ 398.882518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 398.882518][ T10] ip6_route_add+0x1c/0x140 [ 398.882518][ T10] addrconf_prefix_route+0x2a6/0x430 [ 398.882518][ T10] inet6_addr_add+0x4f8/0xa40 [ 398.882518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 398.882518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 398.882518][ T10] netlink_rcv_skb+0x130/0x360 [ 398.882518][ T10] netlink_unicast+0x449/0x710 [ 398.882518][ T10] netlink_sendmsg+0x723/0xbe0 [ 398.882518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 398.882518][ T10] ___sys_sendmsg+0xee/0x170 [ 398.882518][ T10] __sys_sendmsg+0xcd/0x170 [ 398.882518][ T10] do_syscall_64+0xc6/0x1e0 [ 398.882518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 398.882518][ T10] [ 398.884625][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 398.884625][ T10] netdev_get_by_index+0x5e/0x80 [ 398.884625][ T10] fib6_nh_init+0x3d8/0x1580 [ 398.884625][ T10] ip6_route_info_create+0xf18/0x17d0 [ 398.884625][ T10] addrconf_f6i_alloc+0x315/0x560 [ 398.884625][ T10] ipv6_add_addr+0x411/0x2000 [ 398.884625][ T10] inet6_addr_add+0x30e/0xa40 [ 398.884625][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 398.884625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 398.884625][ T10] netlink_rcv_skb+0x130/0x360 [ 398.884625][ T10] netlink_unicast+0x449/0x710 [ 398.884625][ T10] netlink_sendmsg+0x723/0xbe0 [ 398.884625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 398.884625][ T10] ___sys_sendmsg+0xee/0x170 [ 398.884625][ T10] __sys_sendmsg+0xcd/0x170 [ 398.884625][ T10] do_syscall_64+0xc6/0x1e0 [ 398.884625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 398.884625][ T10] [ 398.886628][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 398.886628][ T10] netdev_get_by_index+0x5e/0x80 [ 398.886628][ T10] fib6_nh_init+0x3d8/0x1580 [ 398.886628][ T10] ip6_route_info_create+0xf18/0x17d0 [ 398.886628][ T10] ip6_route_add+0x1c/0x140 [ 398.886628][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 398.886628][ T10] addrconf_add_dev+0xe2/0x170 [ 398.886628][ T10] inet6_addr_add+0x12f/0xa40 [ 398.886628][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 398.886628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 398.886628][ T10] netlink_rcv_skb+0x130/0x360 [ 398.886628][ T10] netlink_unicast+0x449/0x710 [ 398.886628][ T10] netlink_sendmsg+0x723/0xbe0 [ 398.886628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 398.886628][ T10] ___sys_sendmsg+0xee/0x170 [ 398.886628][ T10] __sys_sendmsg+0xcd/0x170 [ 398.886628][ T10] do_syscall_64+0xc6/0x1e0 [ 398.886628][ T10] [ 398.888834][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 398.888834][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 398.888834][ T10] ipv6_find_idev+0x102/0x170 [ 398.888834][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 398.888834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 398.888834][ T10] netlink_rcv_skb+0x130/0x360 [ 398.888834][ T10] netlink_unicast+0x449/0x710 [ 398.888834][ T10] netlink_sendmsg+0x723/0xbe0 [ 398.888834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 398.888834][ T10] ___sys_sendmsg+0xee/0x170 [ 398.888834][ T10] __sys_sendmsg+0xcd/0x170 [ 398.888834][ T10] do_syscall_64+0xc6/0x1e0 [ 398.888834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 398.888834][ T10] [ 398.890637][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 398.890637][ T10] neigh_parms_alloc+0x1e5/0x510 [ 398.890637][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 398.890637][ T10] ipv6_find_idev+0x102/0x170 [ 398.890637][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 398.890637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 398.890637][ T10] netlink_rcv_skb+0x130/0x360 [ 398.890637][ T10] netlink_unicast+0x449/0x710 [ 398.890637][ T10] netlink_sendmsg+0x723/0xbe0 [ 398.890637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 398.890637][ T10] ___sys_sendmsg+0xee/0x170 [ 398.890637][ T10] __sys_sendmsg+0xcd/0x170 [ 398.890637][ T10] do_syscall_64+0xc6/0x1e0 [ 398.890637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 398.890637][ T10] [ 401.657118][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 401.657595][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 401.657595][ T1167] dst_init+0x84/0x4a0 [ 401.657595][ T1167] dst_alloc+0x97/0x150 [ 401.657595][ T1167] ip6_dst_alloc+0x23/0x90 [ 401.657595][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 401.657595][ T1167] ip6_pol_route+0x56f/0x840 [ 401.657595][ T1167] fib6_rule_lookup+0x334/0x630 [ 401.657595][ T1167] ip6_route_output_flags+0x259/0x480 [ 401.657595][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 401.657595][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 401.657595][ T1167] netlink_rcv_skb+0x130/0x360 [ 401.657595][ T1167] netlink_unicast+0x449/0x710 [ 401.657595][ T1167] netlink_sendmsg+0x723/0xbe0 [ 401.657595][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 401.657595][ T1167] ___sys_sendmsg+0xee/0x170 [ 401.657595][ T1167] __sys_sendmsg+0xcd/0x170 [ 401.657595][ T1167] do_syscall_64+0xc6/0x1e0 [ 401.657595][ T1167] [ 401.659909][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 401.659909][ T1167] netdev_get_by_index+0x5e/0x80 [ 401.659909][ T1167] fib6_nh_init+0x3d8/0x1580 [ 401.659909][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 401.659909][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 401.659909][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 401.659909][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 401.659909][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 401.659909][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 401.659909][ T1167] addrconf_dad_begin+0x310/0x670 [ 401.659909][ T1167] addrconf_dad_work+0x10b/0xab0 [ 401.659909][ T1167] process_one_work+0x84d/0x18a0 [ 401.659909][ T1167] worker_thread+0x587/0xd30 [ 401.659909][ T1167] kthread+0x28a/0x350 [ 401.659909][ T1167] ret_from_fork+0x31/0x70 [ 401.659909][ T1167] ret_from_fork_asm+0x1a/0x30 [ 401.659909][ T1167] [ 401.662121][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 401.662121][ T1167] netdev_get_by_index+0x5e/0x80 [ 401.662121][ T1167] fib6_nh_init+0x3d8/0x1580 [ 401.662121][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 401.662121][ T1167] ip6_route_add+0x1c/0x140 [ 401.662121][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 401.662121][ T1167] inet6_addr_add+0x4f8/0xa40 [ 401.662121][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 401.662121][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.662121][ T1167] netlink_rcv_skb+0x130/0x360 [ 401.662121][ T1167] netlink_unicast+0x449/0x710 [ 401.662121][ T1167] netlink_sendmsg+0x723/0xbe0 [ 401.662121][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 401.662121][ T1167] ___sys_sendmsg+0xee/0x170 [ 401.662121][ T1167] __sys_sendmsg+0xcd/0x170 [ 401.662121][ T1167] do_syscall_64+0xc6/0x1e0 [ 401.662121][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 401.662121][ T1167] [ 401.664451][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 401.664451][ T1167] netdev_get_by_index+0x5e/0x80 [ 401.664451][ T1167] fib6_nh_init+0x3d8/0x1580 [ 401.664451][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 401.664451][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 401.664451][ T1167] ipv6_add_addr+0x411/0x2000 [ 401.664451][ T1167] inet6_addr_add+0x30e/0xa40 [ 401.664451][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 401.664451][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.664451][ T1167] netlink_rcv_skb+0x130/0x360 [ 401.664451][ T1167] netlink_unicast+0x449/0x710 [ 401.664451][ T1167] netlink_sendmsg+0x723/0xbe0 [ 401.664451][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 401.664451][ T1167] ___sys_sendmsg+0xee/0x170 [ 401.664451][ T1167] __sys_sendmsg+0xcd/0x170 [ 401.664451][ T1167] do_syscall_64+0xc6/0x1e0 [ 401.664451][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 401.664451][ T1167] [ 401.666845][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 401.666845][ T1167] netdev_get_by_index+0x5e/0x80 [ 401.666845][ T1167] fib6_nh_init+0x3d8/0x1580 [ 401.666845][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 401.666845][ T1167] ip6_route_add+0x1c/0x140 [ 401.666845][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 401.666845][ T1167] addrconf_add_dev+0xe2/0x170 [ 401.666845][ T1167] inet6_addr_add+0x12f/0xa40 [ 401.666845][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 401.666845][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.666845][ T1167] netlink_rcv_skb+0x130/0x360 [ 401.666845][ T1167] netlink_unicast+0x449/0x710 [ 401.666845][ T1167] netlink_sendmsg+0x723/0xbe0 [ 401.666845][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 401.666845][ T1167] ___sys_sendmsg+0xee/0x170 [ 401.666845][ T1167] __sys_sendmsg+0xcd/0x170 [ 401.666845][ T1167] do_syscall_64+0xc6/0x1e0 [ 401.666845][ T1167] [ 401.669170][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 401.669170][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 401.669170][ T1167] ipv6_find_idev+0x102/0x170 [ 401.669170][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 401.669170][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.669170][ T1167] netlink_rcv_skb+0x130/0x360 [ 401.669170][ T1167] netlink_unicast+0x449/0x710 [ 401.669170][ T1167] netlink_sendmsg+0x723/0xbe0 [ 401.669170][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 401.669170][ T1167] ___sys_sendmsg+0xee/0x170 [ 401.669170][ T1167] __sys_sendmsg+0xcd/0x170 [ 401.669170][ T1167] do_syscall_64+0xc6/0x1e0 [ 401.669170][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 401.669170][ T1167] [ 401.671118][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 401.671118][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 401.671118][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 401.671118][ T1167] ipv6_find_idev+0x102/0x170 [ 401.671118][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 401.671118][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.671118][ T1167] netlink_rcv_skb+0x130/0x360 [ 401.671118][ T1167] netlink_unicast+0x449/0x710 [ 401.671118][ T1167] netlink_sendmsg+0x723/0xbe0 [ 401.671118][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 401.671118][ T1167] ___sys_sendmsg+0xee/0x170 [ 401.671118][ T1167] __sys_sendmsg+0xcd/0x170 [ 401.671118][ T1167] do_syscall_64+0xc6/0x1e0 [ 401.671118][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 401.671118][ T1167] [ 408.897109][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 408.897533][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 408.897533][ T10] netdev_get_by_index+0x5e/0x80 [ 408.897533][ T10] fib6_nh_init+0x3d8/0x1580 [ 408.897533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 408.897533][ T10] addrconf_f6i_alloc+0x265/0x560 [ 408.897533][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 408.897533][ T10] addrconf_join_anycast+0x1c0/0x220 [ 408.897533][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 408.897533][ T10] addrconf_dad_completed+0x12b/0xe20 [ 408.897533][ T10] addrconf_dad_begin+0x310/0x670 [ 408.897533][ T10] addrconf_dad_work+0x10b/0xab0 [ 408.897533][ T10] process_one_work+0x84d/0x18a0 [ 408.897533][ T10] worker_thread+0x587/0xd30 [ 408.897533][ T10] kthread+0x28a/0x350 [ 408.897533][ T10] ret_from_fork+0x31/0x70 [ 408.897533][ T10] ret_from_fork_asm+0x1a/0x30 [ 408.897533][ T10] [ 408.899719][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 408.899719][ T10] netdev_get_by_index+0x5e/0x80 [ 408.899719][ T10] fib6_nh_init+0x3d8/0x1580 [ 408.899719][ T10] ip6_route_info_create+0xf18/0x17d0 [ 408.899719][ T10] ip6_route_add+0x1c/0x140 [ 408.899719][ T10] addrconf_prefix_route+0x2a6/0x430 [ 408.899719][ T10] inet6_addr_add+0x4f8/0xa40 [ 408.899719][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 408.899719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.899719][ T10] netlink_rcv_skb+0x130/0x360 [ 408.899719][ T10] netlink_unicast+0x449/0x710 [ 408.899719][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.899719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.899719][ T10] ___sys_sendmsg+0xee/0x170 [ 408.899719][ T10] __sys_sendmsg+0xcd/0x170 [ 408.899719][ T10] do_syscall_64+0xc6/0x1e0 [ 408.899719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.899719][ T10] [ 408.901837][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 408.901837][ T10] netdev_get_by_index+0x5e/0x80 [ 408.901837][ T10] fib6_nh_init+0x3d8/0x1580 [ 408.901837][ T10] ip6_route_info_create+0xf18/0x17d0 [ 408.901837][ T10] addrconf_f6i_alloc+0x315/0x560 [ 408.901837][ T10] ipv6_add_addr+0x411/0x2000 [ 408.901837][ T10] inet6_addr_add+0x30e/0xa40 [ 408.901837][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 408.901837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.901837][ T10] netlink_rcv_skb+0x130/0x360 [ 408.901837][ T10] netlink_unicast+0x449/0x710 [ 408.901837][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.901837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.901837][ T10] ___sys_sendmsg+0xee/0x170 [ 408.901837][ T10] __sys_sendmsg+0xcd/0x170 [ 408.901837][ T10] do_syscall_64+0xc6/0x1e0 [ 408.901837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.901837][ T10] [ 408.903908][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 408.903908][ T10] netdev_get_by_index+0x5e/0x80 [ 408.903908][ T10] fib6_nh_init+0x3d8/0x1580 [ 408.903908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 408.903908][ T10] ip6_route_add+0x1c/0x140 [ 408.903908][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 408.903908][ T10] addrconf_add_dev+0xe2/0x170 [ 408.903908][ T10] inet6_addr_add+0x12f/0xa40 [ 408.903908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 408.903908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.903908][ T10] netlink_rcv_skb+0x130/0x360 [ 408.903908][ T10] netlink_unicast+0x449/0x710 [ 408.903908][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.903908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.903908][ T10] ___sys_sendmsg+0xee/0x170 [ 408.903908][ T10] __sys_sendmsg+0xcd/0x170 [ 408.903908][ T10] do_syscall_64+0xc6/0x1e0 [ 408.903908][ T10] [ 408.905943][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 408.905943][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 408.905943][ T10] ipv6_find_idev+0x102/0x170 [ 408.905943][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 408.905943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.905943][ T10] netlink_rcv_skb+0x130/0x360 [ 408.905943][ T10] netlink_unicast+0x449/0x710 [ 408.905943][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.905943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.905943][ T10] ___sys_sendmsg+0xee/0x170 [ 408.905943][ T10] __sys_sendmsg+0xcd/0x170 [ 408.905943][ T10] do_syscall_64+0xc6/0x1e0 [ 408.905943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.905943][ T10] [ 408.907565][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 408.907565][ T10] neigh_parms_alloc+0x1e5/0x510 [ 408.907565][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 408.907565][ T10] ipv6_find_idev+0x102/0x170 [ 408.907565][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 408.907565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.907565][ T10] netlink_rcv_skb+0x130/0x360 [ 408.907565][ T10] netlink_unicast+0x449/0x710 [ 408.907565][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.907565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.907565][ T10] ___sys_sendmsg+0xee/0x170 [ 408.907565][ T10] __sys_sendmsg+0xcd/0x170 [ 408.907565][ T10] do_syscall_64+0xc6/0x1e0 [ 408.907565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.907565][ T10] [ 408.909334][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 408.909594][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 408.909594][ T10] netdev_get_by_index+0x5e/0x80 [ 408.909594][ T10] fib6_nh_init+0x3d8/0x1580 [ 408.909594][ T10] ip6_route_info_create+0xf18/0x17d0 [ 408.909594][ T10] addrconf_f6i_alloc+0x265/0x560 [ 408.909594][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 408.909594][ T10] addrconf_join_anycast+0x1c0/0x220 [ 408.909594][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 408.909594][ T10] addrconf_dad_completed+0x12b/0xe20 [ 408.909594][ T10] addrconf_dad_begin+0x310/0x670 [ 408.909594][ T10] addrconf_dad_work+0x10b/0xab0 [ 408.909594][ T10] process_one_work+0x84d/0x18a0 [ 408.909594][ T10] worker_thread+0x587/0xd30 [ 408.909594][ T10] kthread+0x28a/0x350 [ 408.909594][ T10] ret_from_fork+0x31/0x70 [ 408.909594][ T10] ret_from_fork_asm+0x1a/0x30 [ 408.909594][ T10] [ 408.911546][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 408.911546][ T10] netdev_get_by_index+0x5e/0x80 [ 408.911546][ T10] fib6_nh_init+0x3d8/0x1580 [ 408.911546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 408.911546][ T10] ip6_route_add+0x1c/0x140 [ 408.911546][ T10] addrconf_prefix_route+0x2a6/0x430 [ 408.911546][ T10] inet6_addr_add+0x4f8/0xa40 [ 408.911546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 408.911546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.911546][ T10] netlink_rcv_skb+0x130/0x360 [ 408.911546][ T10] netlink_unicast+0x449/0x710 [ 408.911546][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.911546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.911546][ T10] ___sys_sendmsg+0xee/0x170 [ 408.911546][ T10] __sys_sendmsg+0xcd/0x170 [ 408.911546][ T10] do_syscall_64+0xc6/0x1e0 [ 408.911546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.911546][ T10] [ 408.913539][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 408.913539][ T10] netdev_get_by_index+0x5e/0x80 [ 408.913539][ T10] fib6_nh_init+0x3d8/0x1580 [ 408.913539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 408.913539][ T10] addrconf_f6i_alloc+0x315/0x560 [ 408.913539][ T10] ipv6_add_addr+0x411/0x2000 [ 408.913539][ T10] inet6_addr_add+0x30e/0xa40 [ 408.913539][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 408.913539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.913539][ T10] netlink_rcv_skb+0x130/0x360 [ 408.913539][ T10] netlink_unicast+0x449/0x710 [ 408.913539][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.913539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.913539][ T10] ___sys_sendmsg+0xee/0x170 [ 408.913539][ T10] __sys_sendmsg+0xcd/0x170 [ 408.913539][ T10] do_syscall_64+0xc6/0x1e0 [ 408.913539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.913539][ T10] [ 408.915531][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 408.915531][ T10] netdev_get_by_index+0x5e/0x80 [ 408.915531][ T10] fib6_nh_init+0x3d8/0x1580 [ 408.915531][ T10] ip6_route_info_create+0xf18/0x17d0 [ 408.915531][ T10] ip6_route_add+0x1c/0x140 [ 408.915531][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 408.915531][ T10] addrconf_add_dev+0xe2/0x170 [ 408.915531][ T10] inet6_addr_add+0x12f/0xa40 [ 408.915531][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 408.915531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.915531][ T10] netlink_rcv_skb+0x130/0x360 [ 408.915531][ T10] netlink_unicast+0x449/0x710 [ 408.915531][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.915531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.915531][ T10] ___sys_sendmsg+0xee/0x170 [ 408.915531][ T10] __sys_sendmsg+0xcd/0x170 [ 408.915531][ T10] do_syscall_64+0xc6/0x1e0 [ 408.915531][ T10] [ 408.917570][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 408.917570][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 408.917570][ T10] ipv6_find_idev+0x102/0x170 [ 408.917570][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 408.917570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.917570][ T10] netlink_rcv_skb+0x130/0x360 [ 408.917570][ T10] netlink_unicast+0x449/0x710 [ 408.917570][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.917570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.917570][ T10] ___sys_sendmsg+0xee/0x170 [ 408.917570][ T10] __sys_sendmsg+0xcd/0x170 [ 408.917570][ T10] do_syscall_64+0xc6/0x1e0 [ 408.917570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.917570][ T10] [ 408.919173][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 408.919173][ T10] neigh_parms_alloc+0x1e5/0x510 [ 408.919173][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 408.919173][ T10] ipv6_find_idev+0x102/0x170 [ 408.919173][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 408.919173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.919173][ T10] netlink_rcv_skb+0x130/0x360 [ 408.919173][ T10] netlink_unicast+0x449/0x710 [ 408.919173][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.919173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.919173][ T10] ___sys_sendmsg+0xee/0x170 [ 408.919173][ T10] __sys_sendmsg+0xcd/0x170 [ 408.919173][ T10] do_syscall_64+0xc6/0x1e0 [ 408.919173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.919173][ T10] [ 408.920934][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 408.921220][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 408.921220][ T10] netdev_get_by_index+0x5e/0x80 [ 408.921220][ T10] fib6_nh_init+0x3d8/0x1580 [ 408.921220][ T10] ip6_route_info_create+0xf18/0x17d0 [ 408.921220][ T10] addrconf_f6i_alloc+0x265/0x560 [ 408.921220][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 408.921220][ T10] addrconf_join_anycast+0x1c0/0x220 [ 408.921220][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 408.921220][ T10] addrconf_dad_completed+0x12b/0xe20 [ 408.921220][ T10] addrconf_dad_begin+0x310/0x670 [ 408.921220][ T10] addrconf_dad_work+0x10b/0xab0 [ 408.921220][ T10] process_one_work+0x84d/0x18a0 [ 408.921220][ T10] worker_thread+0x587/0xd30 [ 408.921220][ T10] kthread+0x28a/0x350 [ 408.921220][ T10] ret_from_fork+0x31/0x70 [ 408.921220][ T10] ret_from_fork_asm+0x1a/0x30 [ 408.921220][ T10] [ 408.923190][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 408.923190][ T10] netdev_get_by_index+0x5e/0x80 [ 408.923190][ T10] fib6_nh_init+0x3d8/0x1580 [ 408.923190][ T10] ip6_route_info_create+0xf18/0x17d0 [ 408.923190][ T10] ip6_route_add+0x1c/0x140 [ 408.923190][ T10] addrconf_prefix_route+0x2a6/0x430 [ 408.923190][ T10] inet6_addr_add+0x4f8/0xa40 [ 408.923190][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 408.923190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.923190][ T10] netlink_rcv_skb+0x130/0x360 [ 408.923190][ T10] netlink_unicast+0x449/0x710 [ 408.923190][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.923190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.923190][ T10] ___sys_sendmsg+0xee/0x170 [ 408.923190][ T10] __sys_sendmsg+0xcd/0x170 [ 408.923190][ T10] do_syscall_64+0xc6/0x1e0 [ 408.923190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.923190][ T10] [ 408.925428][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 408.925428][ T10] netdev_get_by_index+0x5e/0x80 [ 408.925428][ T10] fib6_nh_init+0x3d8/0x1580 [ 408.925428][ T10] ip6_route_info_create+0xf18/0x17d0 [ 408.925428][ T10] addrconf_f6i_alloc+0x315/0x560 [ 408.925428][ T10] ipv6_add_addr+0x411/0x2000 [ 408.925428][ T10] inet6_addr_add+0x30e/0xa40 [ 408.925428][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 408.925428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.925428][ T10] netlink_rcv_skb+0x130/0x360 [ 408.925428][ T10] netlink_unicast+0x449/0x710 [ 408.925428][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.925428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.925428][ T10] ___sys_sendmsg+0xee/0x170 [ 408.925428][ T10] __sys_sendmsg+0xcd/0x170 [ 408.925428][ T10] do_syscall_64+0xc6/0x1e0 [ 408.925428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.925428][ T10] [ 408.927809][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 408.927809][ T10] netdev_get_by_index+0x5e/0x80 [ 408.927809][ T10] fib6_nh_init+0x3d8/0x1580 [ 408.927809][ T10] ip6_route_info_create+0xf18/0x17d0 [ 408.927809][ T10] ip6_route_add+0x1c/0x140 [ 408.927809][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 408.927809][ T10] addrconf_add_dev+0xe2/0x170 [ 408.927809][ T10] inet6_addr_add+0x12f/0xa40 [ 408.927809][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 408.927809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.927809][ T10] netlink_rcv_skb+0x130/0x360 [ 408.927809][ T10] netlink_unicast+0x449/0x710 [ 408.927809][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.927809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.927809][ T10] ___sys_sendmsg+0xee/0x170 [ 408.927809][ T10] __sys_sendmsg+0xcd/0x170 [ 408.927809][ T10] do_syscall_64+0xc6/0x1e0 [ 408.927809][ T10] [ 408.930037][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 408.930037][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 408.930037][ T10] ipv6_find_idev+0x102/0x170 [ 408.930037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 408.930037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.930037][ T10] netlink_rcv_skb+0x130/0x360 [ 408.930037][ T10] netlink_unicast+0x449/0x710 [ 408.930037][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.930037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.930037][ T10] ___sys_sendmsg+0xee/0x170 [ 408.930037][ T10] __sys_sendmsg+0xcd/0x170 [ 408.930037][ T10] do_syscall_64+0xc6/0x1e0 [ 408.930037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.930037][ T10] [ 408.931818][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 408.931818][ T10] neigh_parms_alloc+0x1e5/0x510 [ 408.931818][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 408.931818][ T10] ipv6_find_idev+0x102/0x170 [ 408.931818][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 408.931818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.931818][ T10] netlink_rcv_skb+0x130/0x360 [ 408.931818][ T10] netlink_unicast+0x449/0x710 [ 408.931818][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.931818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.931818][ T10] ___sys_sendmsg+0xee/0x170 [ 408.931818][ T10] __sys_sendmsg+0xcd/0x170 [ 408.931818][ T10] do_syscall_64+0xc6/0x1e0 [ 408.931818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.931818][ T10] [ 408.933761][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 408.934026][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 408.934026][ T10] netdev_get_by_index+0x5e/0x80 [ 408.934026][ T10] fib6_nh_init+0x3d8/0x1580 [ 408.934026][ T10] ip6_route_info_create+0xf18/0x17d0 [ 408.934026][ T10] addrconf_f6i_alloc+0x265/0x560 [ 408.934026][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 408.934026][ T10] addrconf_join_anycast+0x1c0/0x220 [ 408.934026][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 408.934026][ T10] addrconf_dad_completed+0x12b/0xe20 [ 408.934026][ T10] addrconf_dad_begin+0x310/0x670 [ 408.934026][ T10] addrconf_dad_work+0x10b/0xab0 [ 408.934026][ T10] process_one_work+0x84d/0x18a0 [ 408.934026][ T10] worker_thread+0x587/0xd30 [ 408.934026][ T10] kthread+0x28a/0x350 [ 408.934026][ T10] ret_from_fork+0x31/0x70 [ 408.934026][ T10] ret_from_fork_asm+0x1a/0x30 [ 408.934026][ T10] [ 408.936290][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 408.936290][ T10] netdev_get_by_index+0x5e/0x80 [ 408.936290][ T10] fib6_nh_init+0x3d8/0x1580 [ 408.936290][ T10] ip6_route_info_create+0xf18/0x17d0 [ 408.936290][ T10] ip6_route_add+0x1c/0x140 [ 408.936290][ T10] addrconf_prefix_route+0x2a6/0x430 [ 408.936290][ T10] inet6_addr_add+0x4f8/0xa40 [ 408.936290][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 408.936290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.936290][ T10] netlink_rcv_skb+0x130/0x360 [ 408.936290][ T10] netlink_unicast+0x449/0x710 [ 408.936290][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.936290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.936290][ T10] ___sys_sendmsg+0xee/0x170 [ 408.936290][ T10] __sys_sendmsg+0xcd/0x170 [ 408.936290][ T10] do_syscall_64+0xc6/0x1e0 [ 408.936290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.936290][ T10] [ 408.938473][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 408.938473][ T10] netdev_get_by_index+0x5e/0x80 [ 408.938473][ T10] fib6_nh_init+0x3d8/0x1580 [ 408.938473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 408.938473][ T10] addrconf_f6i_alloc+0x315/0x560 [ 408.938473][ T10] ipv6_add_addr+0x411/0x2000 [ 408.938473][ T10] inet6_addr_add+0x30e/0xa40 [ 408.938473][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 408.938473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.938473][ T10] netlink_rcv_skb+0x130/0x360 [ 408.938473][ T10] netlink_unicast+0x449/0x710 [ 408.938473][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.938473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.938473][ T10] ___sys_sendmsg+0xee/0x170 [ 408.938473][ T10] __sys_sendmsg+0xcd/0x170 [ 408.938473][ T10] do_syscall_64+0xc6/0x1e0 [ 408.938473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.938473][ T10] [ 408.940698][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 408.940698][ T10] netdev_get_by_index+0x5e/0x80 [ 408.940698][ T10] fib6_nh_init+0x3d8/0x1580 [ 408.940698][ T10] ip6_route_info_create+0xf18/0x17d0 [ 408.940698][ T10] ip6_route_add+0x1c/0x140 [ 408.940698][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 408.940698][ T10] addrconf_add_dev+0xe2/0x170 [ 408.940698][ T10] inet6_addr_add+0x12f/0xa40 [ 408.940698][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 408.940698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.940698][ T10] netlink_rcv_skb+0x130/0x360 [ 408.940698][ T10] netlink_unicast+0x449/0x710 [ 408.940698][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.940698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.940698][ T10] ___sys_sendmsg+0xee/0x170 [ 408.940698][ T10] __sys_sendmsg+0xcd/0x170 [ 408.940698][ T10] do_syscall_64+0xc6/0x1e0 [ 408.940698][ T10] [ 408.942883][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 408.942883][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 408.942883][ T10] ipv6_find_idev+0x102/0x170 [ 408.942883][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 408.942883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.942883][ T10] netlink_rcv_skb+0x130/0x360 [ 408.942883][ T10] netlink_unicast+0x449/0x710 [ 408.942883][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.942883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.942883][ T10] ___sys_sendmsg+0xee/0x170 [ 408.942883][ T10] __sys_sendmsg+0xcd/0x170 [ 408.942883][ T10] do_syscall_64+0xc6/0x1e0 [ 408.942883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.942883][ T10] [ 408.944683][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 408.944683][ T10] neigh_parms_alloc+0x1e5/0x510 [ 408.944683][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 408.944683][ T10] ipv6_find_idev+0x102/0x170 [ 408.944683][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 408.944683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 408.944683][ T10] netlink_rcv_skb+0x130/0x360 [ 408.944683][ T10] netlink_unicast+0x449/0x710 [ 408.944683][ T10] netlink_sendmsg+0x723/0xbe0 [ 408.944683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 408.944683][ T10] ___sys_sendmsg+0xee/0x170 [ 408.944683][ T10] __sys_sendmsg+0xcd/0x170 [ 408.944683][ T10] do_syscall_64+0xc6/0x1e0 [ 408.944683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 408.944683][ T10] [ 411.713146][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 411.713879][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 411.713879][ T1167] dst_init+0x84/0x4a0 [ 411.713879][ T1167] dst_alloc+0x97/0x150 [ 411.713879][ T1167] ip6_dst_alloc+0x23/0x90 [ 411.713879][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 411.713879][ T1167] ip6_pol_route+0x56f/0x840 [ 411.713879][ T1167] fib6_rule_lookup+0x334/0x630 [ 411.713879][ T1167] ip6_route_output_flags+0x259/0x480 [ 411.713879][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 411.713879][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 411.713879][ T1167] netlink_rcv_skb+0x130/0x360 [ 411.713879][ T1167] netlink_unicast+0x449/0x710 [ 411.713879][ T1167] netlink_sendmsg+0x723/0xbe0 [ 411.713879][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 411.713879][ T1167] ___sys_sendmsg+0xee/0x170 [ 411.713879][ T1167] __sys_sendmsg+0xcd/0x170 [ 411.713879][ T1167] do_syscall_64+0xc6/0x1e0 [ 411.713879][ T1167] [ 411.717550][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 411.717550][ T1167] netdev_get_by_index+0x5e/0x80 [ 411.717550][ T1167] fib6_nh_init+0x3d8/0x1580 [ 411.717550][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 411.717550][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 411.717550][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 411.717550][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 411.717550][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 411.717550][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 411.717550][ T1167] addrconf_dad_begin+0x310/0x670 [ 411.717550][ T1167] addrconf_dad_work+0x10b/0xab0 [ 411.717550][ T1167] process_one_work+0x84d/0x18a0 [ 411.717550][ T1167] worker_thread+0x587/0xd30 [ 411.717550][ T1167] kthread+0x28a/0x350 [ 411.717550][ T1167] ret_from_fork+0x31/0x70 [ 411.717550][ T1167] ret_from_fork_asm+0x1a/0x30 [ 411.717550][ T1167] [ 411.721006][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 411.721006][ T1167] netdev_get_by_index+0x5e/0x80 [ 411.721006][ T1167] fib6_nh_init+0x3d8/0x1580 [ 411.721006][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 411.721006][ T1167] ip6_route_add+0x1c/0x140 [ 411.721006][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 411.721006][ T1167] inet6_addr_add+0x4f8/0xa40 [ 411.721006][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 411.721006][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.721006][ T1167] netlink_rcv_skb+0x130/0x360 [ 411.721006][ T1167] netlink_unicast+0x449/0x710 [ 411.721006][ T1167] netlink_sendmsg+0x723/0xbe0 [ 411.721006][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 411.721006][ T1167] ___sys_sendmsg+0xee/0x170 [ 411.721006][ T1167] __sys_sendmsg+0xcd/0x170 [ 411.721006][ T1167] do_syscall_64+0xc6/0x1e0 [ 411.721006][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.721006][ T1167] [ 411.724750][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 411.724750][ T1167] netdev_get_by_index+0x5e/0x80 [ 411.724750][ T1167] fib6_nh_init+0x3d8/0x1580 [ 411.724750][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 411.724750][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 411.724750][ T1167] ipv6_add_addr+0x411/0x2000 [ 411.724750][ T1167] inet6_addr_add+0x30e/0xa40 [ 411.724750][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 411.724750][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.724750][ T1167] netlink_rcv_skb+0x130/0x360 [ 411.724750][ T1167] netlink_unicast+0x449/0x710 [ 411.724750][ T1167] netlink_sendmsg+0x723/0xbe0 [ 411.724750][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 411.724750][ T1167] ___sys_sendmsg+0xee/0x170 [ 411.724750][ T1167] __sys_sendmsg+0xcd/0x170 [ 411.724750][ T1167] do_syscall_64+0xc6/0x1e0 [ 411.724750][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.724750][ T1167] [ 411.728536][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 411.728536][ T1167] netdev_get_by_index+0x5e/0x80 [ 411.728536][ T1167] fib6_nh_init+0x3d8/0x1580 [ 411.728536][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 411.728536][ T1167] ip6_route_add+0x1c/0x140 [ 411.728536][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 411.728536][ T1167] addrconf_add_dev+0xe2/0x170 [ 411.728536][ T1167] inet6_addr_add+0x12f/0xa40 [ 411.728536][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 411.728536][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.728536][ T1167] netlink_rcv_skb+0x130/0x360 [ 411.728536][ T1167] netlink_unicast+0x449/0x710 [ 411.728536][ T1167] netlink_sendmsg+0x723/0xbe0 [ 411.728536][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 411.728536][ T1167] ___sys_sendmsg+0xee/0x170 [ 411.728536][ T1167] __sys_sendmsg+0xcd/0x170 [ 411.728536][ T1167] do_syscall_64+0xc6/0x1e0 [ 411.728536][ T1167] [ 411.732272][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 411.732272][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 411.732272][ T1167] ipv6_find_idev+0x102/0x170 [ 411.732272][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.732272][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.732272][ T1167] netlink_rcv_skb+0x130/0x360 [ 411.732272][ T1167] netlink_unicast+0x449/0x710 [ 411.732272][ T1167] netlink_sendmsg+0x723/0xbe0 [ 411.732272][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 411.732272][ T1167] ___sys_sendmsg+0xee/0x170 [ 411.732272][ T1167] __sys_sendmsg+0xcd/0x170 [ 411.732272][ T1167] do_syscall_64+0xc6/0x1e0 [ 411.732272][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.732272][ T1167] [ 411.735205][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 411.735205][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 411.735205][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 411.735205][ T1167] ipv6_find_idev+0x102/0x170 [ 411.735205][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.735205][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.735205][ T1167] netlink_rcv_skb+0x130/0x360 [ 411.735205][ T1167] netlink_unicast+0x449/0x710 [ 411.735205][ T1167] netlink_sendmsg+0x723/0xbe0 [ 411.735205][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 411.735205][ T1167] ___sys_sendmsg+0xee/0x170 [ 411.735205][ T1167] __sys_sendmsg+0xcd/0x170 [ 411.735205][ T1167] do_syscall_64+0xc6/0x1e0 [ 411.735205][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.735205][ T1167] [ 419.201103][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 419.201519][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 419.201519][ T10] netdev_get_by_index+0x5e/0x80 [ 419.201519][ T10] fib6_nh_init+0x3d8/0x1580 [ 419.201519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 419.201519][ T10] addrconf_f6i_alloc+0x265/0x560 [ 419.201519][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 419.201519][ T10] addrconf_join_anycast+0x1c0/0x220 [ 419.201519][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 419.201519][ T10] addrconf_dad_completed+0x12b/0xe20 [ 419.201519][ T10] addrconf_dad_begin+0x310/0x670 [ 419.201519][ T10] addrconf_dad_work+0x10b/0xab0 [ 419.201519][ T10] process_one_work+0x84d/0x18a0 [ 419.201519][ T10] worker_thread+0x587/0xd30 [ 419.201519][ T10] kthread+0x28a/0x350 [ 419.201519][ T10] ret_from_fork+0x31/0x70 [ 419.201519][ T10] ret_from_fork_asm+0x1a/0x30 [ 419.201519][ T10] [ 419.203621][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 419.203621][ T10] netdev_get_by_index+0x5e/0x80 [ 419.203621][ T10] fib6_nh_init+0x3d8/0x1580 [ 419.203621][ T10] ip6_route_info_create+0xf18/0x17d0 [ 419.203621][ T10] ip6_route_add+0x1c/0x140 [ 419.203621][ T10] addrconf_prefix_route+0x2a6/0x430 [ 419.203621][ T10] inet6_addr_add+0x4f8/0xa40 [ 419.203621][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 419.203621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 419.203621][ T10] netlink_rcv_skb+0x130/0x360 [ 419.203621][ T10] netlink_unicast+0x449/0x710 [ 419.203621][ T10] netlink_sendmsg+0x723/0xbe0 [ 419.203621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 419.203621][ T10] ___sys_sendmsg+0xee/0x170 [ 419.203621][ T10] __sys_sendmsg+0xcd/0x170 [ 419.203621][ T10] do_syscall_64+0xc6/0x1e0 [ 419.203621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 419.203621][ T10] [ 419.205829][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 419.205829][ T10] netdev_get_by_index+0x5e/0x80 [ 419.205829][ T10] fib6_nh_init+0x3d8/0x1580 [ 419.205829][ T10] ip6_route_info_create+0xf18/0x17d0 [ 419.205829][ T10] addrconf_f6i_alloc+0x315/0x560 [ 419.205829][ T10] ipv6_add_addr+0x411/0x2000 [ 419.205829][ T10] inet6_addr_add+0x30e/0xa40 [ 419.205829][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 419.205829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 419.205829][ T10] netlink_rcv_skb+0x130/0x360 [ 419.205829][ T10] netlink_unicast+0x449/0x710 [ 419.205829][ T10] netlink_sendmsg+0x723/0xbe0 [ 419.205829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 419.205829][ T10] ___sys_sendmsg+0xee/0x170 [ 419.205829][ T10] __sys_sendmsg+0xcd/0x170 [ 419.205829][ T10] do_syscall_64+0xc6/0x1e0 [ 419.205829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 419.205829][ T10] [ 419.208077][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 419.208077][ T10] netdev_get_by_index+0x5e/0x80 [ 419.208077][ T10] fib6_nh_init+0x3d8/0x1580 [ 419.208077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 419.208077][ T10] ip6_route_add+0x1c/0x140 [ 419.208077][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 419.208077][ T10] addrconf_add_dev+0xe2/0x170 [ 419.208077][ T10] inet6_addr_add+0x12f/0xa40 [ 419.208077][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 419.208077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 419.208077][ T10] netlink_rcv_skb+0x130/0x360 [ 419.208077][ T10] netlink_unicast+0x449/0x710 [ 419.208077][ T10] netlink_sendmsg+0x723/0xbe0 [ 419.208077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 419.208077][ T10] ___sys_sendmsg+0xee/0x170 [ 419.208077][ T10] __sys_sendmsg+0xcd/0x170 [ 419.208077][ T10] do_syscall_64+0xc6/0x1e0 [ 419.208077][ T10] [ 419.210211][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 419.210211][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 419.210211][ T10] ipv6_find_idev+0x102/0x170 [ 419.210211][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 419.210211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 419.210211][ T10] netlink_rcv_skb+0x130/0x360 [ 419.210211][ T10] netlink_unicast+0x449/0x710 [ 419.210211][ T10] netlink_sendmsg+0x723/0xbe0 [ 419.210211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 419.210211][ T10] ___sys_sendmsg+0xee/0x170 [ 419.210211][ T10] __sys_sendmsg+0xcd/0x170 [ 419.210211][ T10] do_syscall_64+0xc6/0x1e0 [ 419.210211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 419.210211][ T10] [ 419.211915][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 419.211915][ T10] neigh_parms_alloc+0x1e5/0x510 [ 419.211915][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 419.211915][ T10] ipv6_find_idev+0x102/0x170 [ 419.211915][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 419.211915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 419.211915][ T10] netlink_rcv_skb+0x130/0x360 [ 419.211915][ T10] netlink_unicast+0x449/0x710 [ 419.211915][ T10] netlink_sendmsg+0x723/0xbe0 [ 419.211915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 419.211915][ T10] ___sys_sendmsg+0xee/0x170 [ 419.211915][ T10] __sys_sendmsg+0xcd/0x170 [ 419.211915][ T10] do_syscall_64+0xc6/0x1e0 [ 419.211915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 419.211915][ T10] [ 419.213877][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 419.214171][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 419.214171][ T10] netdev_get_by_index+0x5e/0x80 [ 419.214171][ T10] fib6_nh_init+0x3d8/0x1580 [ 419.214171][ T10] ip6_route_info_create+0xf18/0x17d0 [ 419.214171][ T10] addrconf_f6i_alloc+0x265/0x560 [ 419.214171][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 419.214171][ T10] addrconf_join_anycast+0x1c0/0x220 [ 419.214171][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 419.214171][ T10] addrconf_dad_completed+0x12b/0xe20 [ 419.214171][ T10] addrconf_dad_begin+0x310/0x670 [ 419.214171][ T10] addrconf_dad_work+0x10b/0xab0 [ 419.214171][ T10] process_one_work+0x84d/0x18a0 [ 419.214171][ T10] worker_thread+0x587/0xd30 [ 419.214171][ T10] kthread+0x28a/0x350 [ 419.214171][ T10] ret_from_fork+0x31/0x70 [ 419.214171][ T10] ret_from_fork_asm+0x1a/0x30 [ 419.214171][ T10] [ 419.216190][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 419.216190][ T10] netdev_get_by_index+0x5e/0x80 [ 419.216190][ T10] fib6_nh_init+0x3d8/0x1580 [ 419.216190][ T10] ip6_route_info_create+0xf18/0x17d0 [ 419.216190][ T10] ip6_route_add+0x1c/0x140 [ 419.216190][ T10] addrconf_prefix_route+0x2a6/0x430 [ 419.216190][ T10] inet6_addr_add+0x4f8/0xa40 [ 419.216190][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 419.216190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 419.216190][ T10] netlink_rcv_skb+0x130/0x360 [ 419.216190][ T10] netlink_unicast+0x449/0x710 [ 419.216190][ T10] netlink_sendmsg+0x723/0xbe0 [ 419.216190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 419.216190][ T10] ___sys_sendmsg+0xee/0x170 [ 419.216190][ T10] __sys_sendmsg+0xcd/0x170 [ 419.216190][ T10] do_syscall_64+0xc6/0x1e0 [ 419.216190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 419.216190][ T10] [ 419.218388][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 419.218388][ T10] netdev_get_by_index+0x5e/0x80 [ 419.218388][ T10] fib6_nh_init+0x3d8/0x1580 [ 419.218388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 419.218388][ T10] addrconf_f6i_alloc+0x315/0x560 [ 419.218388][ T10] ipv6_add_addr+0x411/0x2000 [ 419.218388][ T10] inet6_addr_add+0x30e/0xa40 [ 419.218388][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 419.218388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 419.218388][ T10] netlink_rcv_skb+0x130/0x360 [ 419.218388][ T10] netlink_unicast+0x449/0x710 [ 419.218388][ T10] netlink_sendmsg+0x723/0xbe0 [ 419.218388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 419.218388][ T10] ___sys_sendmsg+0xee/0x170 [ 419.218388][ T10] __sys_sendmsg+0xcd/0x170 [ 419.218388][ T10] do_syscall_64+0xc6/0x1e0 [ 419.218388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 419.218388][ T10] [ 419.221134][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 419.221134][ T10] netdev_get_by_index+0x5e/0x80 [ 419.221134][ T10] fib6_nh_init+0x3d8/0x1580 [ 419.221134][ T10] ip6_route_info_create+0xf18/0x17d0 [ 419.221134][ T10] ip6_route_add+0x1c/0x140 [ 419.221134][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 419.221134][ T10] addrconf_add_dev+0xe2/0x170 [ 419.221134][ T10] inet6_addr_add+0x12f/0xa40 [ 419.221134][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 419.221134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 419.221134][ T10] netlink_rcv_skb+0x130/0x360 [ 419.221134][ T10] netlink_unicast+0x449/0x710 [ 419.221134][ T10] netlink_sendmsg+0x723/0xbe0 [ 419.221134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 419.221134][ T10] ___sys_sendmsg+0xee/0x170 [ 419.221134][ T10] __sys_sendmsg+0xcd/0x170 [ 419.221134][ T10] do_syscall_64+0xc6/0x1e0 [ 419.221134][ T10] [ 419.224094][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 419.224094][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 419.224094][ T10] ipv6_find_idev+0x102/0x170 [ 419.224094][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 419.224094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 419.224094][ T10] netlink_rcv_skb+0x130/0x360 [ 419.224094][ T10] netlink_unicast+0x449/0x710 [ 419.224094][ T10] netlink_sendmsg+0x723/0xbe0 [ 419.224094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 419.224094][ T10] ___sys_sendmsg+0xee/0x170 [ 419.224094][ T10] __sys_sendmsg+0xcd/0x170 [ 419.224094][ T10] do_syscall_64+0xc6/0x1e0 [ 419.224094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 419.224094][ T10] [ 419.226396][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 419.226396][ T10] neigh_parms_alloc+0x1e5/0x510 [ 419.226396][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 419.226396][ T10] ipv6_find_idev+0x102/0x170 [ 419.226396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 419.226396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 419.226396][ T10] netlink_rcv_skb+0x130/0x360 [ 419.226396][ T10] netlink_unicast+0x449/0x710 [ 419.226396][ T10] netlink_sendmsg+0x723/0xbe0 [ 419.226396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 419.226396][ T10] ___sys_sendmsg+0xee/0x170 [ 419.226396][ T10] __sys_sendmsg+0xcd/0x170 [ 419.226396][ T10] do_syscall_64+0xc6/0x1e0 [ 419.226396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 419.226396][ T10] [ 419.229061][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 419.229355][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 419.229355][ T10] netdev_get_by_index+0x5e/0x80 [ 419.229355][ T10] fib6_nh_init+0x3d8/0x1580 [ 419.229355][ T10] ip6_route_info_create+0xf18/0x17d0 [ 419.229355][ T10] addrconf_f6i_alloc+0x265/0x560 [ 419.229355][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 419.229355][ T10] addrconf_join_anycast+0x1c0/0x220 [ 419.229355][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 419.229355][ T10] addrconf_dad_completed+0x12b/0xe20 [ 419.229355][ T10] addrconf_dad_begin+0x310/0x670 [ 419.229355][ T10] addrconf_dad_work+0x10b/0xab0 [ 419.229355][ T10] process_one_work+0x84d/0x18a0 [ 419.229355][ T10] worker_thread+0x587/0xd30 [ 419.229355][ T10] kthread+0x28a/0x350 [ 419.229355][ T10] ret_from_fork+0x31/0x70 [ 419.229355][ T10] ret_from_fork_asm+0x1a/0x30 [ 419.229355][ T10] [ 419.231312][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 419.231312][ T10] netdev_get_by_index+0x5e/0x80 [ 419.231312][ T10] fib6_nh_init+0x3d8/0x1580 [ 419.231312][ T10] ip6_route_info_create+0xf18/0x17d0 [ 419.231312][ T10] ip6_route_add+0x1c/0x140 [ 419.231312][ T10] addrconf_prefix_route+0x2a6/0x430 [ 419.231312][ T10] inet6_addr_add+0x4f8/0xa40 [ 419.231312][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 419.231312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 419.231312][ T10] netlink_rcv_skb+0x130/0x360 [ 419.231312][ T10] netlink_unicast+0x449/0x710 [ 419.231312][ T10] netlink_sendmsg+0x723/0xbe0 [ 419.231312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 419.231312][ T10] ___sys_sendmsg+0xee/0x170 [ 419.231312][ T10] __sys_sendmsg+0xcd/0x170 [ 419.231312][ T10] do_syscall_64+0xc6/0x1e0 [ 419.231312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 419.231312][ T10] [ 419.233516][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 419.233516][ T10] netdev_get_by_index+0x5e/0x80 [ 419.233516][ T10] fib6_nh_init+0x3d8/0x1580 [ 419.233516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 419.233516][ T10] addrconf_f6i_alloc+0x315/0x560 [ 419.233516][ T10] ipv6_add_addr+0x411/0x2000 [ 419.233516][ T10] inet6_addr_add+0x30e/0xa40 [ 419.233516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 419.233516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 419.233516][ T10] netlink_rcv_skb+0x130/0x360 [ 419.233516][ T10] netlink_unicast+0x449/0x710 [ 419.233516][ T10] netlink_sendmsg+0x723/0xbe0 [ 419.233516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 419.233516][ T10] ___sys_sendmsg+0xee/0x170 [ 419.233516][ T10] __sys_sendmsg+0xcd/0x170 [ 419.233516][ T10] do_syscall_64+0xc6/0x1e0 [ 419.233516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 419.233516][ T10] [ 419.235948][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 419.235948][ T10] netdev_get_by_index+0x5e/0x80 [ 419.235948][ T10] fib6_nh_init+0x3d8/0x1580 [ 419.235948][ T10] ip6_route_info_create+0xf18/0x17d0 [ 419.235948][ T10] ip6_route_add+0x1c/0x140 [ 419.235948][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 419.235948][ T10] addrconf_add_dev+0xe2/0x170 [ 419.235948][ T10] inet6_addr_add+0x12f/0xa40 [ 419.235948][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 419.235948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 419.235948][ T10] netlink_rcv_skb+0x130/0x360 [ 419.235948][ T10] netlink_unicast+0x449/0x710 [ 419.235948][ T10] netlink_sendmsg+0x723/0xbe0 [ 419.235948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 419.235948][ T10] ___sys_sendmsg+0xee/0x170 [ 419.235948][ T10] __sys_sendmsg+0xcd/0x170 [ 419.235948][ T10] do_syscall_64+0xc6/0x1e0 [ 419.235948][ T10] [ 419.238121][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 419.238121][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 419.238121][ T10] ipv6_find_idev+0x102/0x170 [ 419.238121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 419.238121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 419.238121][ T10] netlink_rcv_skb+0x130/0x360 [ 419.238121][ T10] netlink_unicast+0x449/0x710 [ 419.238121][ T10] netlink_sendmsg+0x723/0xbe0 [ 419.238121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 419.238121][ T10] ___sys_sendmsg+0xee/0x170 [ 419.238121][ T10] __sys_sendmsg+0xcd/0x170 [ 419.238121][ T10] do_syscall_64+0xc6/0x1e0 [ 419.238121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 419.238121][ T10] [ 419.239846][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 419.239846][ T10] neigh_parms_alloc+0x1e5/0x510 [ 419.239846][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 419.239846][ T10] ipv6_find_idev+0x102/0x170 [ 419.239846][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 419.239846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 419.239846][ T10] netlink_rcv_skb+0x130/0x360 [ 419.239846][ T10] netlink_unicast+0x449/0x710 [ 419.239846][ T10] netlink_sendmsg+0x723/0xbe0 [ 419.239846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 419.239846][ T10] ___sys_sendmsg+0xee/0x170 [ 419.239846][ T10] __sys_sendmsg+0xcd/0x170 [ 419.239846][ T10] do_syscall_64+0xc6/0x1e0 [ 419.239846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 419.239846][ T10] [ 419.241827][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 419.242868][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 419.242868][ T10] netdev_get_by_index+0x5e/0x80 [ 419.242868][ T10] fib6_nh_init+0x3d8/0x1580 [ 419.242868][ T10] ip6_route_info_create+0xf18/0x17d0 [ 419.242868][ T10] addrconf_f6i_alloc+0x265/0x560 [ 419.242868][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 419.242868][ T10] addrconf_join_anycast+0x1c0/0x220 [ 419.242868][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 419.242868][ T10] addrconf_dad_completed+0x12b/0xe20 [ 419.242868][ T10] addrconf_dad_begin+0x310/0x670 [ 419.242868][ T10] addrconf_dad_work+0x10b/0xab0 [ 419.242868][ T10] process_one_work+0x84d/0x18a0 [ 419.242868][ T10] worker_thread+0x587/0xd30 [ 419.242868][ T10] kthread+0x28a/0x350 [ 419.242868][ T10] ret_from_fork+0x31/0x70 [ 419.242868][ T10] ret_from_fork_asm+0x1a/0x30 [ 419.242868][ T10] [ 419.245651][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 419.245651][ T10] netdev_get_by_index+0x5e/0x80 [ 419.245651][ T10] fib6_nh_init+0x3d8/0x1580 [ 419.245651][ T10] ip6_route_info_create+0xf18/0x17d0 [ 419.245651][ T10] ip6_route_add+0x1c/0x140 [ 419.245651][ T10] addrconf_prefix_route+0x2a6/0x430 [ 419.245651][ T10] inet6_addr_add+0x4f8/0xa40 [ 419.245651][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 419.245651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 419.245651][ T10] netlink_rcv_skb+0x130/0x360 [ 419.245651][ T10] netlink_unicast+0x449/0x710 [ 419.245651][ T10] netlink_sendmsg+0x723/0xbe0 [ 419.245651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 419.245651][ T10] ___sys_sendmsg+0xee/0x170 [ 419.245651][ T10] __sys_sendmsg+0xcd/0x170 [ 419.245651][ T10] do_syscall_64+0xc6/0x1e0 [ 419.245651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 419.245651][ T10] [ 419.248978][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 419.248978][ T10] netdev_get_by_index+0x5e/0x80 [ 419.248978][ T10] fib6_nh_init+0x3d8/0x1580 [ 419.248978][ T10] ip6_route_info_create+0xf18/0x17d0 [ 419.248978][ T10] addrconf_f6i_alloc+0x315/0x560 [ 419.248978][ T10] ipv6_add_addr+0x411/0x2000 [ 419.248978][ T10] inet6_addr_add+0x30e/0xa40 [ 419.248978][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 419.248978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 419.248978][ T10] netlink_rcv_skb+0x130/0x360 [ 419.248978][ T10] netlink_unicast+0x449/0x710 [ 419.248978][ T10] netlink_sendmsg+0x723/0xbe0 [ 419.248978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 419.248978][ T10] ___sys_sendmsg+0xee/0x170 [ 419.248978][ T10] __sys_sendmsg+0xcd/0x170 [ 419.248978][ T10] do_syscall_64+0xc6/0x1e0 [ 419.248978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 419.248978][ T10] [ 419.252529][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 419.252529][ T10] netdev_get_by_index+0x5e/0x80 [ 419.252529][ T10] fib6_nh_init+0x3d8/0x1580 [ 419.252529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 419.252529][ T10] ip6_route_add+0x1c/0x140 [ 419.252529][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 419.252529][ T10] addrconf_add_dev+0xe2/0x170 [ 419.252529][ T10] inet6_addr_add+0x12f/0xa40 [ 419.252529][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 419.252529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 419.252529][ T10] netlink_rcv_skb+0x130/0x360 [ 419.252529][ T10] netlink_unicast+0x449/0x710 [ 419.252529][ T10] netlink_sendmsg+0x723/0xbe0 [ 419.252529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 419.252529][ T10] ___sys_sendmsg+0xee/0x170 [ 419.252529][ T10] __sys_sendmsg+0xcd/0x170 [ 419.252529][ T10] do_syscall_64+0xc6/0x1e0 [ 419.252529][ T10] [ 419.256051][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 419.256051][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 419.256051][ T10] ipv6_find_idev+0x102/0x170 [ 419.256051][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 419.256051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 419.256051][ T10] netlink_rcv_skb+0x130/0x360 [ 419.256051][ T10] netlink_unicast+0x449/0x710 [ 419.256051][ T10] netlink_sendmsg+0x723/0xbe0 [ 419.256051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 419.256051][ T10] ___sys_sendmsg+0xee/0x170 [ 419.256051][ T10] __sys_sendmsg+0xcd/0x170 [ 419.256051][ T10] do_syscall_64+0xc6/0x1e0 [ 419.256051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 419.256051][ T10] [ 419.258777][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 419.258777][ T10] neigh_parms_alloc+0x1e5/0x510 [ 419.258777][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 419.258777][ T10] ipv6_find_idev+0x102/0x170 [ 419.258777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 419.258777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 419.258777][ T10] netlink_rcv_skb+0x130/0x360 [ 419.258777][ T10] netlink_unicast+0x449/0x710 [ 419.258777][ T10] netlink_sendmsg+0x723/0xbe0 [ 419.258777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 419.258777][ T10] ___sys_sendmsg+0xee/0x170 [ 419.258777][ T10] __sys_sendmsg+0xcd/0x170 [ 419.258777][ T10] do_syscall_64+0xc6/0x1e0 [ 419.258777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 419.258777][ T10] [ 421.977118][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 421.977629][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 421.977629][ T1167] dst_init+0x84/0x4a0 [ 421.977629][ T1167] dst_alloc+0x97/0x150 [ 421.977629][ T1167] ip6_dst_alloc+0x23/0x90 [ 421.977629][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 421.977629][ T1167] ip6_pol_route+0x56f/0x840 [ 421.977629][ T1167] fib6_rule_lookup+0x334/0x630 [ 421.977629][ T1167] ip6_route_output_flags+0x259/0x480 [ 421.977629][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 421.977629][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 421.977629][ T1167] netlink_rcv_skb+0x130/0x360 [ 421.977629][ T1167] netlink_unicast+0x449/0x710 [ 421.977629][ T1167] netlink_sendmsg+0x723/0xbe0 [ 421.977629][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 421.977629][ T1167] ___sys_sendmsg+0xee/0x170 [ 421.977629][ T1167] __sys_sendmsg+0xcd/0x170 [ 421.977629][ T1167] do_syscall_64+0xc6/0x1e0 [ 421.977629][ T1167] [ 421.979865][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 421.979865][ T1167] netdev_get_by_index+0x5e/0x80 [ 421.979865][ T1167] fib6_nh_init+0x3d8/0x1580 [ 421.979865][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 421.979865][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 421.979865][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 421.979865][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 421.979865][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 421.979865][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 421.979865][ T1167] addrconf_dad_begin+0x310/0x670 [ 421.979865][ T1167] addrconf_dad_work+0x10b/0xab0 [ 421.979865][ T1167] process_one_work+0x84d/0x18a0 [ 421.979865][ T1167] worker_thread+0x587/0xd30 [ 421.979865][ T1167] kthread+0x28a/0x350 [ 421.979865][ T1167] ret_from_fork+0x31/0x70 [ 421.979865][ T1167] ret_from_fork_asm+0x1a/0x30 [ 421.979865][ T1167] [ 421.982037][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 421.982037][ T1167] netdev_get_by_index+0x5e/0x80 [ 421.982037][ T1167] fib6_nh_init+0x3d8/0x1580 [ 421.982037][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 421.982037][ T1167] ip6_route_add+0x1c/0x140 [ 421.982037][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 421.982037][ T1167] inet6_addr_add+0x4f8/0xa40 [ 421.982037][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 421.982037][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.982037][ T1167] netlink_rcv_skb+0x130/0x360 [ 421.982037][ T1167] netlink_unicast+0x449/0x710 [ 421.982037][ T1167] netlink_sendmsg+0x723/0xbe0 [ 421.982037][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 421.982037][ T1167] ___sys_sendmsg+0xee/0x170 [ 421.982037][ T1167] __sys_sendmsg+0xcd/0x170 [ 421.982037][ T1167] do_syscall_64+0xc6/0x1e0 [ 421.982037][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.982037][ T1167] [ 421.984304][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 421.984304][ T1167] netdev_get_by_index+0x5e/0x80 [ 421.984304][ T1167] fib6_nh_init+0x3d8/0x1580 [ 421.984304][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 421.984304][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 421.984304][ T1167] ipv6_add_addr+0x411/0x2000 [ 421.984304][ T1167] inet6_addr_add+0x30e/0xa40 [ 421.984304][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 421.984304][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.984304][ T1167] netlink_rcv_skb+0x130/0x360 [ 421.984304][ T1167] netlink_unicast+0x449/0x710 [ 421.984304][ T1167] netlink_sendmsg+0x723/0xbe0 [ 421.984304][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 421.984304][ T1167] ___sys_sendmsg+0xee/0x170 [ 421.984304][ T1167] __sys_sendmsg+0xcd/0x170 [ 421.984304][ T1167] do_syscall_64+0xc6/0x1e0 [ 421.984304][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.984304][ T1167] [ 421.986700][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 421.986700][ T1167] netdev_get_by_index+0x5e/0x80 [ 421.986700][ T1167] fib6_nh_init+0x3d8/0x1580 [ 421.986700][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 421.986700][ T1167] ip6_route_add+0x1c/0x140 [ 421.986700][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 421.986700][ T1167] addrconf_add_dev+0xe2/0x170 [ 421.986700][ T1167] inet6_addr_add+0x12f/0xa40 [ 421.986700][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 421.986700][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.986700][ T1167] netlink_rcv_skb+0x130/0x360 [ 421.986700][ T1167] netlink_unicast+0x449/0x710 [ 421.986700][ T1167] netlink_sendmsg+0x723/0xbe0 [ 421.986700][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 421.986700][ T1167] ___sys_sendmsg+0xee/0x170 [ 421.986700][ T1167] __sys_sendmsg+0xcd/0x170 [ 421.986700][ T1167] do_syscall_64+0xc6/0x1e0 [ 421.986700][ T1167] [ 421.989118][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 421.989118][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 421.989118][ T1167] ipv6_find_idev+0x102/0x170 [ 421.989118][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.989118][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.989118][ T1167] netlink_rcv_skb+0x130/0x360 [ 421.989118][ T1167] netlink_unicast+0x449/0x710 [ 421.989118][ T1167] netlink_sendmsg+0x723/0xbe0 [ 421.989118][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 421.989118][ T1167] ___sys_sendmsg+0xee/0x170 [ 421.989118][ T1167] __sys_sendmsg+0xcd/0x170 [ 421.989118][ T1167] do_syscall_64+0xc6/0x1e0 [ 421.989118][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.989118][ T1167] [ 421.991000][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 421.991000][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 421.991000][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 421.991000][ T1167] ipv6_find_idev+0x102/0x170 [ 421.991000][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.991000][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.991000][ T1167] netlink_rcv_skb+0x130/0x360 [ 421.991000][ T1167] netlink_unicast+0x449/0x710 [ 421.991000][ T1167] netlink_sendmsg+0x723/0xbe0 [ 421.991000][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 421.991000][ T1167] ___sys_sendmsg+0xee/0x170 [ 421.991000][ T1167] __sys_sendmsg+0xcd/0x170 [ 421.991000][ T1167] do_syscall_64+0xc6/0x1e0 [ 421.991000][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.991000][ T1167] [ 429.265105][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 429.265496][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 429.265496][ T10] netdev_get_by_index+0x5e/0x80 [ 429.265496][ T10] fib6_nh_init+0x3d8/0x1580 [ 429.265496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 429.265496][ T10] addrconf_f6i_alloc+0x265/0x560 [ 429.265496][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 429.265496][ T10] addrconf_join_anycast+0x1c0/0x220 [ 429.265496][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 429.265496][ T10] addrconf_dad_completed+0x12b/0xe20 [ 429.265496][ T10] addrconf_dad_begin+0x310/0x670 [ 429.265496][ T10] addrconf_dad_work+0x10b/0xab0 [ 429.265496][ T10] process_one_work+0x84d/0x18a0 [ 429.265496][ T10] worker_thread+0x587/0xd30 [ 429.265496][ T10] kthread+0x28a/0x350 [ 429.265496][ T10] ret_from_fork+0x31/0x70 [ 429.265496][ T10] ret_from_fork_asm+0x1a/0x30 [ 429.265496][ T10] [ 429.267466][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 429.267466][ T10] netdev_get_by_index+0x5e/0x80 [ 429.267466][ T10] fib6_nh_init+0x3d8/0x1580 [ 429.267466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 429.267466][ T10] ip6_route_add+0x1c/0x140 [ 429.267466][ T10] addrconf_prefix_route+0x2a6/0x430 [ 429.267466][ T10] inet6_addr_add+0x4f8/0xa40 [ 429.267466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 429.267466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 429.267466][ T10] netlink_rcv_skb+0x130/0x360 [ 429.267466][ T10] netlink_unicast+0x449/0x710 [ 429.267466][ T10] netlink_sendmsg+0x723/0xbe0 [ 429.267466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 429.267466][ T10] ___sys_sendmsg+0xee/0x170 [ 429.267466][ T10] __sys_sendmsg+0xcd/0x170 [ 429.267466][ T10] do_syscall_64+0xc6/0x1e0 [ 429.267466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 429.267466][ T10] [ 429.269463][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 429.269463][ T10] netdev_get_by_index+0x5e/0x80 [ 429.269463][ T10] fib6_nh_init+0x3d8/0x1580 [ 429.269463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 429.269463][ T10] addrconf_f6i_alloc+0x315/0x560 [ 429.269463][ T10] ipv6_add_addr+0x411/0x2000 [ 429.269463][ T10] inet6_addr_add+0x30e/0xa40 [ 429.269463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 429.269463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 429.269463][ T10] netlink_rcv_skb+0x130/0x360 [ 429.269463][ T10] netlink_unicast+0x449/0x710 [ 429.269463][ T10] netlink_sendmsg+0x723/0xbe0 [ 429.269463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 429.269463][ T10] ___sys_sendmsg+0xee/0x170 [ 429.269463][ T10] __sys_sendmsg+0xcd/0x170 [ 429.269463][ T10] do_syscall_64+0xc6/0x1e0 [ 429.269463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 429.269463][ T10] [ 429.271458][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 429.271458][ T10] netdev_get_by_index+0x5e/0x80 [ 429.271458][ T10] fib6_nh_init+0x3d8/0x1580 [ 429.271458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 429.271458][ T10] ip6_route_add+0x1c/0x140 [ 429.271458][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 429.271458][ T10] addrconf_add_dev+0xe2/0x170 [ 429.271458][ T10] inet6_addr_add+0x12f/0xa40 [ 429.271458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 429.271458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 429.271458][ T10] netlink_rcv_skb+0x130/0x360 [ 429.271458][ T10] netlink_unicast+0x449/0x710 [ 429.271458][ T10] netlink_sendmsg+0x723/0xbe0 [ 429.271458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 429.271458][ T10] ___sys_sendmsg+0xee/0x170 [ 429.271458][ T10] __sys_sendmsg+0xcd/0x170 [ 429.271458][ T10] do_syscall_64+0xc6/0x1e0 [ 429.271458][ T10] [ 429.273424][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 429.273424][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 429.273424][ T10] ipv6_find_idev+0x102/0x170 [ 429.273424][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 429.273424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 429.273424][ T10] netlink_rcv_skb+0x130/0x360 [ 429.273424][ T10] netlink_unicast+0x449/0x710 [ 429.273424][ T10] netlink_sendmsg+0x723/0xbe0 [ 429.273424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 429.273424][ T10] ___sys_sendmsg+0xee/0x170 [ 429.273424][ T10] __sys_sendmsg+0xcd/0x170 [ 429.273424][ T10] do_syscall_64+0xc6/0x1e0 [ 429.273424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 429.273424][ T10] [ 429.274956][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 429.274956][ T10] neigh_parms_alloc+0x1e5/0x510 [ 429.274956][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 429.274956][ T10] ipv6_find_idev+0x102/0x170 [ 429.274956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 429.274956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 429.274956][ T10] netlink_rcv_skb+0x130/0x360 [ 429.274956][ T10] netlink_unicast+0x449/0x710 [ 429.274956][ T10] netlink_sendmsg+0x723/0xbe0 [ 429.274956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 429.274956][ T10] ___sys_sendmsg+0xee/0x170 [ 429.274956][ T10] __sys_sendmsg+0xcd/0x170 [ 429.274956][ T10] do_syscall_64+0xc6/0x1e0 [ 429.274956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 429.274956][ T10] [ 429.276675][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 429.276938][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 429.276938][ T10] netdev_get_by_index+0x5e/0x80 [ 429.276938][ T10] fib6_nh_init+0x3d8/0x1580 [ 429.276938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 429.276938][ T10] addrconf_f6i_alloc+0x265/0x560 [ 429.276938][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 429.276938][ T10] addrconf_join_anycast+0x1c0/0x220 [ 429.276938][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 429.276938][ T10] addrconf_dad_completed+0x12b/0xe20 [ 429.276938][ T10] addrconf_dad_begin+0x310/0x670 [ 429.276938][ T10] addrconf_dad_work+0x10b/0xab0 [ 429.276938][ T10] process_one_work+0x84d/0x18a0 [ 429.276938][ T10] worker_thread+0x587/0xd30 [ 429.276938][ T10] kthread+0x28a/0x350 [ 429.276938][ T10] ret_from_fork+0x31/0x70 [ 429.276938][ T10] ret_from_fork_asm+0x1a/0x30 [ 429.276938][ T10] [ 429.278910][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 429.278910][ T10] netdev_get_by_index+0x5e/0x80 [ 429.278910][ T10] fib6_nh_init+0x3d8/0x1580 [ 429.278910][ T10] ip6_route_info_create+0xf18/0x17d0 [ 429.278910][ T10] ip6_route_add+0x1c/0x140 [ 429.278910][ T10] addrconf_prefix_route+0x2a6/0x430 [ 429.278910][ T10] inet6_addr_add+0x4f8/0xa40 [ 429.278910][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 429.278910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 429.278910][ T10] netlink_rcv_skb+0x130/0x360 [ 429.278910][ T10] netlink_unicast+0x449/0x710 [ 429.278910][ T10] netlink_sendmsg+0x723/0xbe0 [ 429.278910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 429.278910][ T10] ___sys_sendmsg+0xee/0x170 [ 429.278910][ T10] __sys_sendmsg+0xcd/0x170 [ 429.278910][ T10] do_syscall_64+0xc6/0x1e0 [ 429.278910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 429.278910][ T10] [ 429.280975][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 429.280975][ T10] netdev_get_by_index+0x5e/0x80 [ 429.280975][ T10] fib6_nh_init+0x3d8/0x1580 [ 429.280975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 429.280975][ T10] addrconf_f6i_alloc+0x315/0x560 [ 429.280975][ T10] ipv6_add_addr+0x411/0x2000 [ 429.280975][ T10] inet6_addr_add+0x30e/0xa40 [ 429.280975][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 429.280975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 429.280975][ T10] netlink_rcv_skb+0x130/0x360 [ 429.280975][ T10] netlink_unicast+0x449/0x710 [ 429.280975][ T10] netlink_sendmsg+0x723/0xbe0 [ 429.280975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 429.280975][ T10] ___sys_sendmsg+0xee/0x170 [ 429.280975][ T10] __sys_sendmsg+0xcd/0x170 [ 429.280975][ T10] do_syscall_64+0xc6/0x1e0 [ 429.280975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 429.280975][ T10] [ 429.283105][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 429.283105][ T10] netdev_get_by_index+0x5e/0x80 [ 429.283105][ T10] fib6_nh_init+0x3d8/0x1580 [ 429.283105][ T10] ip6_route_info_create+0xf18/0x17d0 [ 429.283105][ T10] ip6_route_add+0x1c/0x140 [ 429.283105][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 429.283105][ T10] addrconf_add_dev+0xe2/0x170 [ 429.283105][ T10] inet6_addr_add+0x12f/0xa40 [ 429.283105][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 429.283105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 429.283105][ T10] netlink_rcv_skb+0x130/0x360 [ 429.283105][ T10] netlink_unicast+0x449/0x710 [ 429.283105][ T10] netlink_sendmsg+0x723/0xbe0 [ 429.283105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 429.283105][ T10] ___sys_sendmsg+0xee/0x170 [ 429.283105][ T10] __sys_sendmsg+0xcd/0x170 [ 429.283105][ T10] do_syscall_64+0xc6/0x1e0 [ 429.283105][ T10] [ 429.285328][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 429.285328][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 429.285328][ T10] ipv6_find_idev+0x102/0x170 [ 429.285328][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 429.285328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 429.285328][ T10] netlink_rcv_skb+0x130/0x360 [ 429.285328][ T10] netlink_unicast+0x449/0x710 [ 429.285328][ T10] netlink_sendmsg+0x723/0xbe0 [ 429.285328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 429.285328][ T10] ___sys_sendmsg+0xee/0x170 [ 429.285328][ T10] __sys_sendmsg+0xcd/0x170 [ 429.285328][ T10] do_syscall_64+0xc6/0x1e0 [ 429.285328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 429.285328][ T10] [ 429.286913][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 429.286913][ T10] neigh_parms_alloc+0x1e5/0x510 [ 429.286913][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 429.286913][ T10] ipv6_find_idev+0x102/0x170 [ 429.286913][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 429.286913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 429.286913][ T10] netlink_rcv_skb+0x130/0x360 [ 429.286913][ T10] netlink_unicast+0x449/0x710 [ 429.286913][ T10] netlink_sendmsg+0x723/0xbe0 [ 429.286913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 429.286913][ T10] ___sys_sendmsg+0xee/0x170 [ 429.286913][ T10] __sys_sendmsg+0xcd/0x170 [ 429.286913][ T10] do_syscall_64+0xc6/0x1e0 [ 429.286913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 429.286913][ T10] [ 429.288734][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 429.288993][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 429.288993][ T10] netdev_get_by_index+0x5e/0x80 [ 429.288993][ T10] fib6_nh_init+0x3d8/0x1580 [ 429.288993][ T10] ip6_route_info_create+0xf18/0x17d0 [ 429.288993][ T10] addrconf_f6i_alloc+0x265/0x560 [ 429.288993][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 429.288993][ T10] addrconf_join_anycast+0x1c0/0x220 [ 429.288993][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 429.288993][ T10] addrconf_dad_completed+0x12b/0xe20 [ 429.288993][ T10] addrconf_dad_begin+0x310/0x670 [ 429.288993][ T10] addrconf_dad_work+0x10b/0xab0 [ 429.288993][ T10] process_one_work+0x84d/0x18a0 [ 429.288993][ T10] worker_thread+0x587/0xd30 [ 429.288993][ T10] kthread+0x28a/0x350 [ 429.288993][ T10] ret_from_fork+0x31/0x70 [ 429.288993][ T10] ret_from_fork_asm+0x1a/0x30 [ 429.288993][ T10] [ 429.291072][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 429.291072][ T10] netdev_get_by_index+0x5e/0x80 [ 429.291072][ T10] fib6_nh_init+0x3d8/0x1580 [ 429.291072][ T10] ip6_route_info_create+0xf18/0x17d0 [ 429.291072][ T10] ip6_route_add+0x1c/0x140 [ 429.291072][ T10] addrconf_prefix_route+0x2a6/0x430 [ 429.291072][ T10] inet6_addr_add+0x4f8/0xa40 [ 429.291072][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 429.291072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 429.291072][ T10] netlink_rcv_skb+0x130/0x360 [ 429.291072][ T10] netlink_unicast+0x449/0x710 [ 429.291072][ T10] netlink_sendmsg+0x723/0xbe0 [ 429.291072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 429.291072][ T10] ___sys_sendmsg+0xee/0x170 [ 429.291072][ T10] __sys_sendmsg+0xcd/0x170 [ 429.291072][ T10] do_syscall_64+0xc6/0x1e0 [ 429.291072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 429.291072][ T10] [ 429.293304][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 429.293304][ T10] netdev_get_by_index+0x5e/0x80 [ 429.293304][ T10] fib6_nh_init+0x3d8/0x1580 [ 429.293304][ T10] ip6_route_info_create+0xf18/0x17d0 [ 429.293304][ T10] addrconf_f6i_alloc+0x315/0x560 [ 429.293304][ T10] ipv6_add_addr+0x411/0x2000 [ 429.293304][ T10] inet6_addr_add+0x30e/0xa40 [ 429.293304][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 429.293304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 429.293304][ T10] netlink_rcv_skb+0x130/0x360 [ 429.293304][ T10] netlink_unicast+0x449/0x710 [ 429.293304][ T10] netlink_sendmsg+0x723/0xbe0 [ 429.293304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 429.293304][ T10] ___sys_sendmsg+0xee/0x170 [ 429.293304][ T10] __sys_sendmsg+0xcd/0x170 [ 429.293304][ T10] do_syscall_64+0xc6/0x1e0 [ 429.293304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 429.293304][ T10] [ 429.295615][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 429.295615][ T10] netdev_get_by_index+0x5e/0x80 [ 429.295615][ T10] fib6_nh_init+0x3d8/0x1580 [ 429.295615][ T10] ip6_route_info_create+0xf18/0x17d0 [ 429.295615][ T10] ip6_route_add+0x1c/0x140 [ 429.295615][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 429.295615][ T10] addrconf_add_dev+0xe2/0x170 [ 429.295615][ T10] inet6_addr_add+0x12f/0xa40 [ 429.295615][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 429.295615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 429.295615][ T10] netlink_rcv_skb+0x130/0x360 [ 429.295615][ T10] netlink_unicast+0x449/0x710 [ 429.295615][ T10] netlink_sendmsg+0x723/0xbe0 [ 429.295615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 429.295615][ T10] ___sys_sendmsg+0xee/0x170 [ 429.295615][ T10] __sys_sendmsg+0xcd/0x170 [ 429.295615][ T10] do_syscall_64+0xc6/0x1e0 [ 429.295615][ T10] [ 429.297766][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 429.297766][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 429.297766][ T10] ipv6_find_idev+0x102/0x170 [ 429.297766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 429.297766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 429.297766][ T10] netlink_rcv_skb+0x130/0x360 [ 429.297766][ T10] netlink_unicast+0x449/0x710 [ 429.297766][ T10] netlink_sendmsg+0x723/0xbe0 [ 429.297766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 429.297766][ T10] ___sys_sendmsg+0xee/0x170 [ 429.297766][ T10] __sys_sendmsg+0xcd/0x170 [ 429.297766][ T10] do_syscall_64+0xc6/0x1e0 [ 429.297766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 429.297766][ T10] [ 429.299486][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 429.299486][ T10] neigh_parms_alloc+0x1e5/0x510 [ 429.299486][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 429.299486][ T10] ipv6_find_idev+0x102/0x170 [ 429.299486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 429.299486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 429.299486][ T10] netlink_rcv_skb+0x130/0x360 [ 429.299486][ T10] netlink_unicast+0x449/0x710 [ 429.299486][ T10] netlink_sendmsg+0x723/0xbe0 [ 429.299486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 429.299486][ T10] ___sys_sendmsg+0xee/0x170 [ 429.299486][ T10] __sys_sendmsg+0xcd/0x170 [ 429.299486][ T10] do_syscall_64+0xc6/0x1e0 [ 429.299486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 429.299486][ T10] [ 429.301448][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 429.301699][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 429.301699][ T10] netdev_get_by_index+0x5e/0x80 [ 429.301699][ T10] fib6_nh_init+0x3d8/0x1580 [ 429.301699][ T10] ip6_route_info_create+0xf18/0x17d0 [ 429.301699][ T10] addrconf_f6i_alloc+0x265/0x560 [ 429.301699][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 429.301699][ T10] addrconf_join_anycast+0x1c0/0x220 [ 429.301699][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 429.301699][ T10] addrconf_dad_completed+0x12b/0xe20 [ 429.301699][ T10] addrconf_dad_begin+0x310/0x670 [ 429.301699][ T10] addrconf_dad_work+0x10b/0xab0 [ 429.301699][ T10] process_one_work+0x84d/0x18a0 [ 429.301699][ T10] worker_thread+0x587/0xd30 [ 429.301699][ T10] kthread+0x28a/0x350 [ 429.301699][ T10] ret_from_fork+0x31/0x70 [ 429.301699][ T10] ret_from_fork_asm+0x1a/0x30 [ 429.301699][ T10] [ 429.303925][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 429.303925][ T10] netdev_get_by_index+0x5e/0x80 [ 429.303925][ T10] fib6_nh_init+0x3d8/0x1580 [ 429.303925][ T10] ip6_route_info_create+0xf18/0x17d0 [ 429.303925][ T10] ip6_route_add+0x1c/0x140 [ 429.303925][ T10] addrconf_prefix_route+0x2a6/0x430 [ 429.303925][ T10] inet6_addr_add+0x4f8/0xa40 [ 429.303925][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 429.303925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 429.303925][ T10] netlink_rcv_skb+0x130/0x360 [ 429.303925][ T10] netlink_unicast+0x449/0x710 [ 429.303925][ T10] netlink_sendmsg+0x723/0xbe0 [ 429.303925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 429.303925][ T10] ___sys_sendmsg+0xee/0x170 [ 429.303925][ T10] __sys_sendmsg+0xcd/0x170 [ 429.303925][ T10] do_syscall_64+0xc6/0x1e0 [ 429.303925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 429.303925][ T10] [ 429.306105][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 429.306105][ T10] netdev_get_by_index+0x5e/0x80 [ 429.306105][ T10] fib6_nh_init+0x3d8/0x1580 [ 429.306105][ T10] ip6_route_info_create+0xf18/0x17d0 [ 429.306105][ T10] addrconf_f6i_alloc+0x315/0x560 [ 429.306105][ T10] ipv6_add_addr+0x411/0x2000 [ 429.306105][ T10] inet6_addr_add+0x30e/0xa40 [ 429.306105][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 429.306105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 429.306105][ T10] netlink_rcv_skb+0x130/0x360 [ 429.306105][ T10] netlink_unicast+0x449/0x710 [ 429.306105][ T10] netlink_sendmsg+0x723/0xbe0 [ 429.306105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 429.306105][ T10] ___sys_sendmsg+0xee/0x170 [ 429.306105][ T10] __sys_sendmsg+0xcd/0x170 [ 429.306105][ T10] do_syscall_64+0xc6/0x1e0 [ 429.306105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 429.306105][ T10] [ 429.308359][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 429.308359][ T10] netdev_get_by_index+0x5e/0x80 [ 429.308359][ T10] fib6_nh_init+0x3d8/0x1580 [ 429.308359][ T10] ip6_route_info_create+0xf18/0x17d0 [ 429.308359][ T10] ip6_route_add+0x1c/0x140 [ 429.308359][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 429.308359][ T10] addrconf_add_dev+0xe2/0x170 [ 429.308359][ T10] inet6_addr_add+0x12f/0xa40 [ 429.308359][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 429.308359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 429.308359][ T10] netlink_rcv_skb+0x130/0x360 [ 429.308359][ T10] netlink_unicast+0x449/0x710 [ 429.308359][ T10] netlink_sendmsg+0x723/0xbe0 [ 429.308359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 429.308359][ T10] ___sys_sendmsg+0xee/0x170 [ 429.308359][ T10] __sys_sendmsg+0xcd/0x170 [ 429.308359][ T10] do_syscall_64+0xc6/0x1e0 [ 429.308359][ T10] [ 429.310575][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 429.310575][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 429.310575][ T10] ipv6_find_idev+0x102/0x170 [ 429.310575][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 429.310575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 429.310575][ T10] netlink_rcv_skb+0x130/0x360 [ 429.310575][ T10] netlink_unicast+0x449/0x710 [ 429.310575][ T10] netlink_sendmsg+0x723/0xbe0 [ 429.310575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 429.310575][ T10] ___sys_sendmsg+0xee/0x170 [ 429.310575][ T10] __sys_sendmsg+0xcd/0x170 [ 429.310575][ T10] do_syscall_64+0xc6/0x1e0 [ 429.310575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 429.310575][ T10] [ 429.312299][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 429.312299][ T10] neigh_parms_alloc+0x1e5/0x510 [ 429.312299][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 429.312299][ T10] ipv6_find_idev+0x102/0x170 [ 429.312299][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 429.312299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 429.312299][ T10] netlink_rcv_skb+0x130/0x360 [ 429.312299][ T10] netlink_unicast+0x449/0x710 [ 429.312299][ T10] netlink_sendmsg+0x723/0xbe0 [ 429.312299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 429.312299][ T10] ___sys_sendmsg+0xee/0x170 [ 429.312299][ T10] __sys_sendmsg+0xcd/0x170 [ 429.312299][ T10] do_syscall_64+0xc6/0x1e0 [ 429.312299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 429.312299][ T10] [ 432.009101][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 432.009589][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 432.009589][ T1167] dst_init+0x84/0x4a0 [ 432.009589][ T1167] dst_alloc+0x97/0x150 [ 432.009589][ T1167] ip6_dst_alloc+0x23/0x90 [ 432.009589][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 432.009589][ T1167] ip6_pol_route+0x56f/0x840 [ 432.009589][ T1167] fib6_rule_lookup+0x334/0x630 [ 432.009589][ T1167] ip6_route_output_flags+0x259/0x480 [ 432.009589][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 432.009589][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 432.009589][ T1167] netlink_rcv_skb+0x130/0x360 [ 432.009589][ T1167] netlink_unicast+0x449/0x710 [ 432.009589][ T1167] netlink_sendmsg+0x723/0xbe0 [ 432.009589][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 432.009589][ T1167] ___sys_sendmsg+0xee/0x170 [ 432.009589][ T1167] __sys_sendmsg+0xcd/0x170 [ 432.009589][ T1167] do_syscall_64+0xc6/0x1e0 [ 432.009589][ T1167] [ 432.011833][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 432.011833][ T1167] netdev_get_by_index+0x5e/0x80 [ 432.011833][ T1167] fib6_nh_init+0x3d8/0x1580 [ 432.011833][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 432.011833][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 432.011833][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 432.011833][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 432.011833][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 432.011833][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 432.011833][ T1167] addrconf_dad_begin+0x310/0x670 [ 432.011833][ T1167] addrconf_dad_work+0x10b/0xab0 [ 432.011833][ T1167] process_one_work+0x84d/0x18a0 [ 432.011833][ T1167] worker_thread+0x587/0xd30 [ 432.011833][ T1167] kthread+0x28a/0x350 [ 432.011833][ T1167] ret_from_fork+0x31/0x70 [ 432.011833][ T1167] ret_from_fork_asm+0x1a/0x30 [ 432.011833][ T1167] [ 432.014038][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 432.014038][ T1167] netdev_get_by_index+0x5e/0x80 [ 432.014038][ T1167] fib6_nh_init+0x3d8/0x1580 [ 432.014038][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 432.014038][ T1167] ip6_route_add+0x1c/0x140 [ 432.014038][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 432.014038][ T1167] inet6_addr_add+0x4f8/0xa40 [ 432.014038][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 432.014038][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 432.014038][ T1167] netlink_rcv_skb+0x130/0x360 [ 432.014038][ T1167] netlink_unicast+0x449/0x710 [ 432.014038][ T1167] netlink_sendmsg+0x723/0xbe0 [ 432.014038][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 432.014038][ T1167] ___sys_sendmsg+0xee/0x170 [ 432.014038][ T1167] __sys_sendmsg+0xcd/0x170 [ 432.014038][ T1167] do_syscall_64+0xc6/0x1e0 [ 432.014038][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 432.014038][ T1167] [ 432.016506][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 432.016506][ T1167] netdev_get_by_index+0x5e/0x80 [ 432.016506][ T1167] fib6_nh_init+0x3d8/0x1580 [ 432.016506][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 432.016506][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 432.016506][ T1167] ipv6_add_addr+0x411/0x2000 [ 432.016506][ T1167] inet6_addr_add+0x30e/0xa40 [ 432.016506][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 432.016506][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 432.016506][ T1167] netlink_rcv_skb+0x130/0x360 [ 432.016506][ T1167] netlink_unicast+0x449/0x710 [ 432.016506][ T1167] netlink_sendmsg+0x723/0xbe0 [ 432.016506][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 432.016506][ T1167] ___sys_sendmsg+0xee/0x170 [ 432.016506][ T1167] __sys_sendmsg+0xcd/0x170 [ 432.016506][ T1167] do_syscall_64+0xc6/0x1e0 [ 432.016506][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 432.016506][ T1167] [ 432.018921][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 432.018921][ T1167] netdev_get_by_index+0x5e/0x80 [ 432.018921][ T1167] fib6_nh_init+0x3d8/0x1580 [ 432.018921][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 432.018921][ T1167] ip6_route_add+0x1c/0x140 [ 432.018921][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 432.018921][ T1167] addrconf_add_dev+0xe2/0x170 [ 432.018921][ T1167] inet6_addr_add+0x12f/0xa40 [ 432.018921][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 432.018921][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 432.018921][ T1167] netlink_rcv_skb+0x130/0x360 [ 432.018921][ T1167] netlink_unicast+0x449/0x710 [ 432.018921][ T1167] netlink_sendmsg+0x723/0xbe0 [ 432.018921][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 432.018921][ T1167] ___sys_sendmsg+0xee/0x170 [ 432.018921][ T1167] __sys_sendmsg+0xcd/0x170 [ 432.018921][ T1167] do_syscall_64+0xc6/0x1e0 [ 432.018921][ T1167] [ 432.021480][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 432.021480][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 432.021480][ T1167] ipv6_find_idev+0x102/0x170 [ 432.021480][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 432.021480][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 432.021480][ T1167] netlink_rcv_skb+0x130/0x360 [ 432.021480][ T1167] netlink_unicast+0x449/0x710 [ 432.021480][ T1167] netlink_sendmsg+0x723/0xbe0 [ 432.021480][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 432.021480][ T1167] ___sys_sendmsg+0xee/0x170 [ 432.021480][ T1167] __sys_sendmsg+0xcd/0x170 [ 432.021480][ T1167] do_syscall_64+0xc6/0x1e0 [ 432.021480][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 432.021480][ T1167] [ 432.023354][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 432.023354][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 432.023354][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 432.023354][ T1167] ipv6_find_idev+0x102/0x170 [ 432.023354][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 432.023354][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 432.023354][ T1167] netlink_rcv_skb+0x130/0x360 [ 432.023354][ T1167] netlink_unicast+0x449/0x710 [ 432.023354][ T1167] netlink_sendmsg+0x723/0xbe0 [ 432.023354][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 432.023354][ T1167] ___sys_sendmsg+0xee/0x170 [ 432.023354][ T1167] __sys_sendmsg+0xcd/0x170 [ 432.023354][ T1167] do_syscall_64+0xc6/0x1e0 [ 432.023354][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 432.023354][ T1167] [ 439.553160][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 439.553687][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 439.553687][ T10] netdev_get_by_index+0x5e/0x80 [ 439.553687][ T10] fib6_nh_init+0x3d8/0x1580 [ 439.553687][ T10] ip6_route_info_create+0xf18/0x17d0 [ 439.553687][ T10] addrconf_f6i_alloc+0x265/0x560 [ 439.553687][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 439.553687][ T10] addrconf_join_anycast+0x1c0/0x220 [ 439.553687][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 439.553687][ T10] addrconf_dad_completed+0x12b/0xe20 [ 439.553687][ T10] addrconf_dad_begin+0x310/0x670 [ 439.553687][ T10] addrconf_dad_work+0x10b/0xab0 [ 439.553687][ T10] process_one_work+0x84d/0x18a0 [ 439.553687][ T10] worker_thread+0x587/0xd30 [ 439.553687][ T10] kthread+0x28a/0x350 [ 439.553687][ T10] ret_from_fork+0x31/0x70 [ 439.553687][ T10] ret_from_fork_asm+0x1a/0x30 [ 439.553687][ T10] [ 439.556684][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 439.556684][ T10] netdev_get_by_index+0x5e/0x80 [ 439.556684][ T10] fib6_nh_init+0x3d8/0x1580 [ 439.556684][ T10] ip6_route_info_create+0xf18/0x17d0 [ 439.556684][ T10] ip6_route_add+0x1c/0x140 [ 439.556684][ T10] addrconf_prefix_route+0x2a6/0x430 [ 439.556684][ T10] inet6_addr_add+0x4f8/0xa40 [ 439.556684][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 439.556684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.556684][ T10] netlink_rcv_skb+0x130/0x360 [ 439.556684][ T10] netlink_unicast+0x449/0x710 [ 439.556684][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.556684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.556684][ T10] ___sys_sendmsg+0xee/0x170 [ 439.556684][ T10] __sys_sendmsg+0xcd/0x170 [ 439.556684][ T10] do_syscall_64+0xc6/0x1e0 [ 439.556684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.556684][ T10] [ 439.559751][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 439.559751][ T10] netdev_get_by_index+0x5e/0x80 [ 439.559751][ T10] fib6_nh_init+0x3d8/0x1580 [ 439.559751][ T10] ip6_route_info_create+0xf18/0x17d0 [ 439.559751][ T10] addrconf_f6i_alloc+0x315/0x560 [ 439.559751][ T10] ipv6_add_addr+0x411/0x2000 [ 439.559751][ T10] inet6_addr_add+0x30e/0xa40 [ 439.559751][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 439.559751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.559751][ T10] netlink_rcv_skb+0x130/0x360 [ 439.559751][ T10] netlink_unicast+0x449/0x710 [ 439.559751][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.559751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.559751][ T10] ___sys_sendmsg+0xee/0x170 [ 439.559751][ T10] __sys_sendmsg+0xcd/0x170 [ 439.559751][ T10] do_syscall_64+0xc6/0x1e0 [ 439.559751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.559751][ T10] [ 439.562840][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 439.562840][ T10] netdev_get_by_index+0x5e/0x80 [ 439.562840][ T10] fib6_nh_init+0x3d8/0x1580 [ 439.562840][ T10] ip6_route_info_create+0xf18/0x17d0 [ 439.562840][ T10] ip6_route_add+0x1c/0x140 [ 439.562840][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 439.562840][ T10] addrconf_add_dev+0xe2/0x170 [ 439.562840][ T10] inet6_addr_add+0x12f/0xa40 [ 439.562840][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 439.562840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.562840][ T10] netlink_rcv_skb+0x130/0x360 [ 439.562840][ T10] netlink_unicast+0x449/0x710 [ 439.562840][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.562840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.562840][ T10] ___sys_sendmsg+0xee/0x170 [ 439.562840][ T10] __sys_sendmsg+0xcd/0x170 [ 439.562840][ T10] do_syscall_64+0xc6/0x1e0 [ 439.562840][ T10] [ 439.564821][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 439.564821][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 439.564821][ T10] ipv6_find_idev+0x102/0x170 [ 439.564821][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 439.564821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.564821][ T10] netlink_rcv_skb+0x130/0x360 [ 439.564821][ T10] netlink_unicast+0x449/0x710 [ 439.564821][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.564821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.564821][ T10] ___sys_sendmsg+0xee/0x170 [ 439.564821][ T10] __sys_sendmsg+0xcd/0x170 [ 439.564821][ T10] do_syscall_64+0xc6/0x1e0 [ 439.564821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.564821][ T10] [ 439.566578][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 439.566578][ T10] neigh_parms_alloc+0x1e5/0x510 [ 439.566578][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 439.566578][ T10] ipv6_find_idev+0x102/0x170 [ 439.566578][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 439.566578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.566578][ T10] netlink_rcv_skb+0x130/0x360 [ 439.566578][ T10] netlink_unicast+0x449/0x710 [ 439.566578][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.566578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.566578][ T10] ___sys_sendmsg+0xee/0x170 [ 439.566578][ T10] __sys_sendmsg+0xcd/0x170 [ 439.566578][ T10] do_syscall_64+0xc6/0x1e0 [ 439.566578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.566578][ T10] [ 439.568326][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 439.568599][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 439.568599][ T10] netdev_get_by_index+0x5e/0x80 [ 439.568599][ T10] fib6_nh_init+0x3d8/0x1580 [ 439.568599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 439.568599][ T10] addrconf_f6i_alloc+0x265/0x560 [ 439.568599][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 439.568599][ T10] addrconf_join_anycast+0x1c0/0x220 [ 439.568599][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 439.568599][ T10] addrconf_dad_completed+0x12b/0xe20 [ 439.568599][ T10] addrconf_dad_begin+0x310/0x670 [ 439.568599][ T10] addrconf_dad_work+0x10b/0xab0 [ 439.568599][ T10] process_one_work+0x84d/0x18a0 [ 439.568599][ T10] worker_thread+0x587/0xd30 [ 439.568599][ T10] kthread+0x28a/0x350 [ 439.568599][ T10] ret_from_fork+0x31/0x70 [ 439.568599][ T10] ret_from_fork_asm+0x1a/0x30 [ 439.568599][ T10] [ 439.570793][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 439.570793][ T10] netdev_get_by_index+0x5e/0x80 [ 439.570793][ T10] fib6_nh_init+0x3d8/0x1580 [ 439.570793][ T10] ip6_route_info_create+0xf18/0x17d0 [ 439.570793][ T10] ip6_route_add+0x1c/0x140 [ 439.570793][ T10] addrconf_prefix_route+0x2a6/0x430 [ 439.570793][ T10] inet6_addr_add+0x4f8/0xa40 [ 439.570793][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 439.570793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.570793][ T10] netlink_rcv_skb+0x130/0x360 [ 439.570793][ T10] netlink_unicast+0x449/0x710 [ 439.570793][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.570793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.570793][ T10] ___sys_sendmsg+0xee/0x170 [ 439.570793][ T10] __sys_sendmsg+0xcd/0x170 [ 439.570793][ T10] do_syscall_64+0xc6/0x1e0 [ 439.570793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.570793][ T10] [ 439.572993][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 439.572993][ T10] netdev_get_by_index+0x5e/0x80 [ 439.572993][ T10] fib6_nh_init+0x3d8/0x1580 [ 439.572993][ T10] ip6_route_info_create+0xf18/0x17d0 [ 439.572993][ T10] addrconf_f6i_alloc+0x315/0x560 [ 439.572993][ T10] ipv6_add_addr+0x411/0x2000 [ 439.572993][ T10] inet6_addr_add+0x30e/0xa40 [ 439.572993][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 439.572993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.572993][ T10] netlink_rcv_skb+0x130/0x360 [ 439.572993][ T10] netlink_unicast+0x449/0x710 [ 439.572993][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.572993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.572993][ T10] ___sys_sendmsg+0xee/0x170 [ 439.572993][ T10] __sys_sendmsg+0xcd/0x170 [ 439.572993][ T10] do_syscall_64+0xc6/0x1e0 [ 439.572993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.572993][ T10] [ 439.575104][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 439.575104][ T10] netdev_get_by_index+0x5e/0x80 [ 439.575104][ T10] fib6_nh_init+0x3d8/0x1580 [ 439.575104][ T10] ip6_route_info_create+0xf18/0x17d0 [ 439.575104][ T10] ip6_route_add+0x1c/0x140 [ 439.575104][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 439.575104][ T10] addrconf_add_dev+0xe2/0x170 [ 439.575104][ T10] inet6_addr_add+0x12f/0xa40 [ 439.575104][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 439.575104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.575104][ T10] netlink_rcv_skb+0x130/0x360 [ 439.575104][ T10] netlink_unicast+0x449/0x710 [ 439.575104][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.575104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.575104][ T10] ___sys_sendmsg+0xee/0x170 [ 439.575104][ T10] __sys_sendmsg+0xcd/0x170 [ 439.575104][ T10] do_syscall_64+0xc6/0x1e0 [ 439.575104][ T10] [ 439.577117][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 439.577117][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 439.577117][ T10] ipv6_find_idev+0x102/0x170 [ 439.577117][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 439.577117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.577117][ T10] netlink_rcv_skb+0x130/0x360 [ 439.577117][ T10] netlink_unicast+0x449/0x710 [ 439.577117][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.577117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.577117][ T10] ___sys_sendmsg+0xee/0x170 [ 439.577117][ T10] __sys_sendmsg+0xcd/0x170 [ 439.577117][ T10] do_syscall_64+0xc6/0x1e0 [ 439.577117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.577117][ T10] [ 439.578662][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 439.578662][ T10] neigh_parms_alloc+0x1e5/0x510 [ 439.578662][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 439.578662][ T10] ipv6_find_idev+0x102/0x170 [ 439.578662][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 439.578662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.578662][ T10] netlink_rcv_skb+0x130/0x360 [ 439.578662][ T10] netlink_unicast+0x449/0x710 [ 439.578662][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.578662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.578662][ T10] ___sys_sendmsg+0xee/0x170 [ 439.578662][ T10] __sys_sendmsg+0xcd/0x170 [ 439.578662][ T10] do_syscall_64+0xc6/0x1e0 [ 439.578662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.578662][ T10] [ 439.580438][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 439.580712][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 439.580712][ T10] netdev_get_by_index+0x5e/0x80 [ 439.580712][ T10] fib6_nh_init+0x3d8/0x1580 [ 439.580712][ T10] ip6_route_info_create+0xf18/0x17d0 [ 439.580712][ T10] addrconf_f6i_alloc+0x265/0x560 [ 439.580712][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 439.580712][ T10] addrconf_join_anycast+0x1c0/0x220 [ 439.580712][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 439.580712][ T10] addrconf_dad_completed+0x12b/0xe20 [ 439.580712][ T10] addrconf_dad_begin+0x310/0x670 [ 439.580712][ T10] addrconf_dad_work+0x10b/0xab0 [ 439.580712][ T10] process_one_work+0x84d/0x18a0 [ 439.580712][ T10] worker_thread+0x587/0xd30 [ 439.580712][ T10] kthread+0x28a/0x350 [ 439.580712][ T10] ret_from_fork+0x31/0x70 [ 439.580712][ T10] ret_from_fork_asm+0x1a/0x30 [ 439.580712][ T10] [ 439.582802][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 439.582802][ T10] netdev_get_by_index+0x5e/0x80 [ 439.582802][ T10] fib6_nh_init+0x3d8/0x1580 [ 439.582802][ T10] ip6_route_info_create+0xf18/0x17d0 [ 439.582802][ T10] ip6_route_add+0x1c/0x140 [ 439.582802][ T10] addrconf_prefix_route+0x2a6/0x430 [ 439.582802][ T10] inet6_addr_add+0x4f8/0xa40 [ 439.582802][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 439.582802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.582802][ T10] netlink_rcv_skb+0x130/0x360 [ 439.582802][ T10] netlink_unicast+0x449/0x710 [ 439.582802][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.582802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.582802][ T10] ___sys_sendmsg+0xee/0x170 [ 439.582802][ T10] __sys_sendmsg+0xcd/0x170 [ 439.582802][ T10] do_syscall_64+0xc6/0x1e0 [ 439.582802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.582802][ T10] [ 439.585061][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 439.585061][ T10] netdev_get_by_index+0x5e/0x80 [ 439.585061][ T10] fib6_nh_init+0x3d8/0x1580 [ 439.585061][ T10] ip6_route_info_create+0xf18/0x17d0 [ 439.585061][ T10] addrconf_f6i_alloc+0x315/0x560 [ 439.585061][ T10] ipv6_add_addr+0x411/0x2000 [ 439.585061][ T10] inet6_addr_add+0x30e/0xa40 [ 439.585061][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 439.585061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.585061][ T10] netlink_rcv_skb+0x130/0x360 [ 439.585061][ T10] netlink_unicast+0x449/0x710 [ 439.585061][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.585061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.585061][ T10] ___sys_sendmsg+0xee/0x170 [ 439.585061][ T10] __sys_sendmsg+0xcd/0x170 [ 439.585061][ T10] do_syscall_64+0xc6/0x1e0 [ 439.585061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.585061][ T10] [ 439.587391][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 439.587391][ T10] netdev_get_by_index+0x5e/0x80 [ 439.587391][ T10] fib6_nh_init+0x3d8/0x1580 [ 439.587391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 439.587391][ T10] ip6_route_add+0x1c/0x140 [ 439.587391][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 439.587391][ T10] addrconf_add_dev+0xe2/0x170 [ 439.587391][ T10] inet6_addr_add+0x12f/0xa40 [ 439.587391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 439.587391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.587391][ T10] netlink_rcv_skb+0x130/0x360 [ 439.587391][ T10] netlink_unicast+0x449/0x710 [ 439.587391][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.587391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.587391][ T10] ___sys_sendmsg+0xee/0x170 [ 439.587391][ T10] __sys_sendmsg+0xcd/0x170 [ 439.587391][ T10] do_syscall_64+0xc6/0x1e0 [ 439.587391][ T10] [ 439.589537][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 439.589537][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 439.589537][ T10] ipv6_find_idev+0x102/0x170 [ 439.589537][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 439.589537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.589537][ T10] netlink_rcv_skb+0x130/0x360 [ 439.589537][ T10] netlink_unicast+0x449/0x710 [ 439.589537][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.589537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.589537][ T10] ___sys_sendmsg+0xee/0x170 [ 439.589537][ T10] __sys_sendmsg+0xcd/0x170 [ 439.589537][ T10] do_syscall_64+0xc6/0x1e0 [ 439.589537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.589537][ T10] [ 439.591266][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 439.591266][ T10] neigh_parms_alloc+0x1e5/0x510 [ 439.591266][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 439.591266][ T10] ipv6_find_idev+0x102/0x170 [ 439.591266][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 439.591266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.591266][ T10] netlink_rcv_skb+0x130/0x360 [ 439.591266][ T10] netlink_unicast+0x449/0x710 [ 439.591266][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.591266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.591266][ T10] ___sys_sendmsg+0xee/0x170 [ 439.591266][ T10] __sys_sendmsg+0xcd/0x170 [ 439.591266][ T10] do_syscall_64+0xc6/0x1e0 [ 439.591266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.591266][ T10] [ 439.593226][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 439.593498][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 439.593498][ T10] netdev_get_by_index+0x5e/0x80 [ 439.593498][ T10] fib6_nh_init+0x3d8/0x1580 [ 439.593498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 439.593498][ T10] addrconf_f6i_alloc+0x265/0x560 [ 439.593498][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 439.593498][ T10] addrconf_join_anycast+0x1c0/0x220 [ 439.593498][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 439.593498][ T10] addrconf_dad_completed+0x12b/0xe20 [ 439.593498][ T10] addrconf_dad_begin+0x310/0x670 [ 439.593498][ T10] addrconf_dad_work+0x10b/0xab0 [ 439.593498][ T10] process_one_work+0x84d/0x18a0 [ 439.593498][ T10] worker_thread+0x587/0xd30 [ 439.593498][ T10] kthread+0x28a/0x350 [ 439.593498][ T10] ret_from_fork+0x31/0x70 [ 439.593498][ T10] ret_from_fork_asm+0x1a/0x30 [ 439.593498][ T10] [ 439.595780][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 439.595780][ T10] netdev_get_by_index+0x5e/0x80 [ 439.595780][ T10] fib6_nh_init+0x3d8/0x1580 [ 439.595780][ T10] ip6_route_info_create+0xf18/0x17d0 [ 439.595780][ T10] ip6_route_add+0x1c/0x140 [ 439.595780][ T10] addrconf_prefix_route+0x2a6/0x430 [ 439.595780][ T10] inet6_addr_add+0x4f8/0xa40 [ 439.595780][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 439.595780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.595780][ T10] netlink_rcv_skb+0x130/0x360 [ 439.595780][ T10] netlink_unicast+0x449/0x710 [ 439.595780][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.595780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.595780][ T10] ___sys_sendmsg+0xee/0x170 [ 439.595780][ T10] __sys_sendmsg+0xcd/0x170 [ 439.595780][ T10] do_syscall_64+0xc6/0x1e0 [ 439.595780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.595780][ T10] [ 439.598246][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 439.598246][ T10] netdev_get_by_index+0x5e/0x80 [ 439.598246][ T10] fib6_nh_init+0x3d8/0x1580 [ 439.598246][ T10] ip6_route_info_create+0xf18/0x17d0 [ 439.598246][ T10] addrconf_f6i_alloc+0x315/0x560 [ 439.598246][ T10] ipv6_add_addr+0x411/0x2000 [ 439.598246][ T10] inet6_addr_add+0x30e/0xa40 [ 439.598246][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 439.598246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.598246][ T10] netlink_rcv_skb+0x130/0x360 [ 439.598246][ T10] netlink_unicast+0x449/0x710 [ 439.598246][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.598246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.598246][ T10] ___sys_sendmsg+0xee/0x170 [ 439.598246][ T10] __sys_sendmsg+0xcd/0x170 [ 439.598246][ T10] do_syscall_64+0xc6/0x1e0 [ 439.598246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.598246][ T10] [ 439.600709][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 439.600709][ T10] netdev_get_by_index+0x5e/0x80 [ 439.600709][ T10] fib6_nh_init+0x3d8/0x1580 [ 439.600709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 439.600709][ T10] ip6_route_add+0x1c/0x140 [ 439.600709][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 439.600709][ T10] addrconf_add_dev+0xe2/0x170 [ 439.600709][ T10] inet6_addr_add+0x12f/0xa40 [ 439.600709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 439.600709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.600709][ T10] netlink_rcv_skb+0x130/0x360 [ 439.600709][ T10] netlink_unicast+0x449/0x710 [ 439.600709][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.600709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.600709][ T10] ___sys_sendmsg+0xee/0x170 [ 439.600709][ T10] __sys_sendmsg+0xcd/0x170 [ 439.600709][ T10] do_syscall_64+0xc6/0x1e0 [ 439.600709][ T10] [ 439.603253][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 439.603253][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 439.603253][ T10] ipv6_find_idev+0x102/0x170 [ 439.603253][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 439.603253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.603253][ T10] netlink_rcv_skb+0x130/0x360 [ 439.603253][ T10] netlink_unicast+0x449/0x710 [ 439.603253][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.603253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.603253][ T10] ___sys_sendmsg+0xee/0x170 [ 439.603253][ T10] __sys_sendmsg+0xcd/0x170 [ 439.603253][ T10] do_syscall_64+0xc6/0x1e0 [ 439.603253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.603253][ T10] [ 439.605126][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 439.605126][ T10] neigh_parms_alloc+0x1e5/0x510 [ 439.605126][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 439.605126][ T10] ipv6_find_idev+0x102/0x170 [ 439.605126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 439.605126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 439.605126][ T10] netlink_rcv_skb+0x130/0x360 [ 439.605126][ T10] netlink_unicast+0x449/0x710 [ 439.605126][ T10] netlink_sendmsg+0x723/0xbe0 [ 439.605126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 439.605126][ T10] ___sys_sendmsg+0xee/0x170 [ 439.605126][ T10] __sys_sendmsg+0xcd/0x170 [ 439.605126][ T10] do_syscall_64+0xc6/0x1e0 [ 439.605126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 439.605126][ T10] [ 442.265104][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 442.265583][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 442.265583][ T1167] dst_init+0x84/0x4a0 [ 442.265583][ T1167] dst_alloc+0x97/0x150 [ 442.265583][ T1167] ip6_dst_alloc+0x23/0x90 [ 442.265583][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 442.265583][ T1167] ip6_pol_route+0x56f/0x840 [ 442.265583][ T1167] fib6_rule_lookup+0x334/0x630 [ 442.265583][ T1167] ip6_route_output_flags+0x259/0x480 [ 442.265583][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 442.265583][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 442.265583][ T1167] netlink_rcv_skb+0x130/0x360 [ 442.265583][ T1167] netlink_unicast+0x449/0x710 [ 442.265583][ T1167] netlink_sendmsg+0x723/0xbe0 [ 442.265583][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 442.265583][ T1167] ___sys_sendmsg+0xee/0x170 [ 442.265583][ T1167] __sys_sendmsg+0xcd/0x170 [ 442.265583][ T1167] do_syscall_64+0xc6/0x1e0 [ 442.265583][ T1167] [ 442.267823][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 442.267823][ T1167] netdev_get_by_index+0x5e/0x80 [ 442.267823][ T1167] fib6_nh_init+0x3d8/0x1580 [ 442.267823][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 442.267823][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 442.267823][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 442.267823][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 442.267823][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 442.267823][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 442.267823][ T1167] addrconf_dad_begin+0x310/0x670 [ 442.267823][ T1167] addrconf_dad_work+0x10b/0xab0 [ 442.267823][ T1167] process_one_work+0x84d/0x18a0 [ 442.267823][ T1167] worker_thread+0x587/0xd30 [ 442.267823][ T1167] kthread+0x28a/0x350 [ 442.267823][ T1167] ret_from_fork+0x31/0x70 [ 442.267823][ T1167] ret_from_fork_asm+0x1a/0x30 [ 442.267823][ T1167] [ 442.270008][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 442.270008][ T1167] netdev_get_by_index+0x5e/0x80 [ 442.270008][ T1167] fib6_nh_init+0x3d8/0x1580 [ 442.270008][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 442.270008][ T1167] ip6_route_add+0x1c/0x140 [ 442.270008][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 442.270008][ T1167] inet6_addr_add+0x4f8/0xa40 [ 442.270008][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 442.270008][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 442.270008][ T1167] netlink_rcv_skb+0x130/0x360 [ 442.270008][ T1167] netlink_unicast+0x449/0x710 [ 442.270008][ T1167] netlink_sendmsg+0x723/0xbe0 [ 442.270008][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 442.270008][ T1167] ___sys_sendmsg+0xee/0x170 [ 442.270008][ T1167] __sys_sendmsg+0xcd/0x170 [ 442.270008][ T1167] do_syscall_64+0xc6/0x1e0 [ 442.270008][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 442.270008][ T1167] [ 442.272386][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 442.272386][ T1167] netdev_get_by_index+0x5e/0x80 [ 442.272386][ T1167] fib6_nh_init+0x3d8/0x1580 [ 442.272386][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 442.272386][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 442.272386][ T1167] ipv6_add_addr+0x411/0x2000 [ 442.272386][ T1167] inet6_addr_add+0x30e/0xa40 [ 442.272386][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 442.272386][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 442.272386][ T1167] netlink_rcv_skb+0x130/0x360 [ 442.272386][ T1167] netlink_unicast+0x449/0x710 [ 442.272386][ T1167] netlink_sendmsg+0x723/0xbe0 [ 442.272386][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 442.272386][ T1167] ___sys_sendmsg+0xee/0x170 [ 442.272386][ T1167] __sys_sendmsg+0xcd/0x170 [ 442.272386][ T1167] do_syscall_64+0xc6/0x1e0 [ 442.272386][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 442.272386][ T1167] [ 442.274664][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 442.274664][ T1167] netdev_get_by_index+0x5e/0x80 [ 442.274664][ T1167] fib6_nh_init+0x3d8/0x1580 [ 442.274664][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 442.274664][ T1167] ip6_route_add+0x1c/0x140 [ 442.274664][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 442.274664][ T1167] addrconf_add_dev+0xe2/0x170 [ 442.274664][ T1167] inet6_addr_add+0x12f/0xa40 [ 442.274664][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 442.274664][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 442.274664][ T1167] netlink_rcv_skb+0x130/0x360 [ 442.274664][ T1167] netlink_unicast+0x449/0x710 [ 442.274664][ T1167] netlink_sendmsg+0x723/0xbe0 [ 442.274664][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 442.274664][ T1167] ___sys_sendmsg+0xee/0x170 [ 442.274664][ T1167] __sys_sendmsg+0xcd/0x170 [ 442.274664][ T1167] do_syscall_64+0xc6/0x1e0 [ 442.274664][ T1167] [ 442.276932][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 442.276932][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 442.276932][ T1167] ipv6_find_idev+0x102/0x170 [ 442.276932][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 442.276932][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 442.276932][ T1167] netlink_rcv_skb+0x130/0x360 [ 442.276932][ T1167] netlink_unicast+0x449/0x710 [ 442.276932][ T1167] netlink_sendmsg+0x723/0xbe0 [ 442.276932][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 442.276932][ T1167] ___sys_sendmsg+0xee/0x170 [ 442.276932][ T1167] __sys_sendmsg+0xcd/0x170 [ 442.276932][ T1167] do_syscall_64+0xc6/0x1e0 [ 442.276932][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 442.276932][ T1167] [ 442.278832][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 442.278832][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 442.278832][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 442.278832][ T1167] ipv6_find_idev+0x102/0x170 [ 442.278832][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 442.278832][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 442.278832][ T1167] netlink_rcv_skb+0x130/0x360 [ 442.278832][ T1167] netlink_unicast+0x449/0x710 [ 442.278832][ T1167] netlink_sendmsg+0x723/0xbe0 [ 442.278832][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 442.278832][ T1167] ___sys_sendmsg+0xee/0x170 [ 442.278832][ T1167] __sys_sendmsg+0xcd/0x170 [ 442.278832][ T1167] do_syscall_64+0xc6/0x1e0 [ 442.278832][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 442.278832][ T1167] [ 449.849120][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 449.849519][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 449.849519][ T10] netdev_get_by_index+0x5e/0x80 [ 449.849519][ T10] fib6_nh_init+0x3d8/0x1580 [ 449.849519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 449.849519][ T10] addrconf_f6i_alloc+0x265/0x560 [ 449.849519][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 449.849519][ T10] addrconf_join_anycast+0x1c0/0x220 [ 449.849519][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 449.849519][ T10] addrconf_dad_completed+0x12b/0xe20 [ 449.849519][ T10] addrconf_dad_begin+0x310/0x670 [ 449.849519][ T10] addrconf_dad_work+0x10b/0xab0 [ 449.849519][ T10] process_one_work+0x84d/0x18a0 [ 449.849519][ T10] worker_thread+0x587/0xd30 [ 449.849519][ T10] kthread+0x28a/0x350 [ 449.849519][ T10] ret_from_fork+0x31/0x70 [ 449.849519][ T10] ret_from_fork_asm+0x1a/0x30 [ 449.849519][ T10] [ 449.851495][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 449.851495][ T10] netdev_get_by_index+0x5e/0x80 [ 449.851495][ T10] fib6_nh_init+0x3d8/0x1580 [ 449.851495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 449.851495][ T10] ip6_route_add+0x1c/0x140 [ 449.851495][ T10] addrconf_prefix_route+0x2a6/0x430 [ 449.851495][ T10] inet6_addr_add+0x4f8/0xa40 [ 449.851495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 449.851495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.851495][ T10] netlink_rcv_skb+0x130/0x360 [ 449.851495][ T10] netlink_unicast+0x449/0x710 [ 449.851495][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.851495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.851495][ T10] ___sys_sendmsg+0xee/0x170 [ 449.851495][ T10] __sys_sendmsg+0xcd/0x170 [ 449.851495][ T10] do_syscall_64+0xc6/0x1e0 [ 449.851495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.851495][ T10] [ 449.853519][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 449.853519][ T10] netdev_get_by_index+0x5e/0x80 [ 449.853519][ T10] fib6_nh_init+0x3d8/0x1580 [ 449.853519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 449.853519][ T10] addrconf_f6i_alloc+0x315/0x560 [ 449.853519][ T10] ipv6_add_addr+0x411/0x2000 [ 449.853519][ T10] inet6_addr_add+0x30e/0xa40 [ 449.853519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 449.853519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.853519][ T10] netlink_rcv_skb+0x130/0x360 [ 449.853519][ T10] netlink_unicast+0x449/0x710 [ 449.853519][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.853519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.853519][ T10] ___sys_sendmsg+0xee/0x170 [ 449.853519][ T10] __sys_sendmsg+0xcd/0x170 [ 449.853519][ T10] do_syscall_64+0xc6/0x1e0 [ 449.853519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.853519][ T10] [ 449.855548][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 449.855548][ T10] netdev_get_by_index+0x5e/0x80 [ 449.855548][ T10] fib6_nh_init+0x3d8/0x1580 [ 449.855548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 449.855548][ T10] ip6_route_add+0x1c/0x140 [ 449.855548][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 449.855548][ T10] addrconf_add_dev+0xe2/0x170 [ 449.855548][ T10] inet6_addr_add+0x12f/0xa40 [ 449.855548][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 449.855548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.855548][ T10] netlink_rcv_skb+0x130/0x360 [ 449.855548][ T10] netlink_unicast+0x449/0x710 [ 449.855548][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.855548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.855548][ T10] ___sys_sendmsg+0xee/0x170 [ 449.855548][ T10] __sys_sendmsg+0xcd/0x170 [ 449.855548][ T10] do_syscall_64+0xc6/0x1e0 [ 449.855548][ T10] [ 449.857535][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 449.857535][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 449.857535][ T10] ipv6_find_idev+0x102/0x170 [ 449.857535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 449.857535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.857535][ T10] netlink_rcv_skb+0x130/0x360 [ 449.857535][ T10] netlink_unicast+0x449/0x710 [ 449.857535][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.857535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.857535][ T10] ___sys_sendmsg+0xee/0x170 [ 449.857535][ T10] __sys_sendmsg+0xcd/0x170 [ 449.857535][ T10] do_syscall_64+0xc6/0x1e0 [ 449.857535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.857535][ T10] [ 449.859084][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 449.859084][ T10] neigh_parms_alloc+0x1e5/0x510 [ 449.859084][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 449.859084][ T10] ipv6_find_idev+0x102/0x170 [ 449.859084][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 449.859084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.859084][ T10] netlink_rcv_skb+0x130/0x360 [ 449.859084][ T10] netlink_unicast+0x449/0x710 [ 449.859084][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.859084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.859084][ T10] ___sys_sendmsg+0xee/0x170 [ 449.859084][ T10] __sys_sendmsg+0xcd/0x170 [ 449.859084][ T10] do_syscall_64+0xc6/0x1e0 [ 449.859084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.859084][ T10] [ 449.860835][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 449.861103][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 449.861103][ T10] netdev_get_by_index+0x5e/0x80 [ 449.861103][ T10] fib6_nh_init+0x3d8/0x1580 [ 449.861103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 449.861103][ T10] addrconf_f6i_alloc+0x265/0x560 [ 449.861103][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 449.861103][ T10] addrconf_join_anycast+0x1c0/0x220 [ 449.861103][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 449.861103][ T10] addrconf_dad_completed+0x12b/0xe20 [ 449.861103][ T10] addrconf_dad_begin+0x310/0x670 [ 449.861103][ T10] addrconf_dad_work+0x10b/0xab0 [ 449.861103][ T10] process_one_work+0x84d/0x18a0 [ 449.861103][ T10] worker_thread+0x587/0xd30 [ 449.861103][ T10] kthread+0x28a/0x350 [ 449.861103][ T10] ret_from_fork+0x31/0x70 [ 449.861103][ T10] ret_from_fork_asm+0x1a/0x30 [ 449.861103][ T10] [ 449.863017][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 449.863017][ T10] netdev_get_by_index+0x5e/0x80 [ 449.863017][ T10] fib6_nh_init+0x3d8/0x1580 [ 449.863017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 449.863017][ T10] ip6_route_add+0x1c/0x140 [ 449.863017][ T10] addrconf_prefix_route+0x2a6/0x430 [ 449.863017][ T10] inet6_addr_add+0x4f8/0xa40 [ 449.863017][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 449.863017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.863017][ T10] netlink_rcv_skb+0x130/0x360 [ 449.863017][ T10] netlink_unicast+0x449/0x710 [ 449.863017][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.863017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.863017][ T10] ___sys_sendmsg+0xee/0x170 [ 449.863017][ T10] __sys_sendmsg+0xcd/0x170 [ 449.863017][ T10] do_syscall_64+0xc6/0x1e0 [ 449.863017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.863017][ T10] [ 449.865003][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 449.865003][ T10] netdev_get_by_index+0x5e/0x80 [ 449.865003][ T10] fib6_nh_init+0x3d8/0x1580 [ 449.865003][ T10] ip6_route_info_create+0xf18/0x17d0 [ 449.865003][ T10] addrconf_f6i_alloc+0x315/0x560 [ 449.865003][ T10] ipv6_add_addr+0x411/0x2000 [ 449.865003][ T10] inet6_addr_add+0x30e/0xa40 [ 449.865003][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 449.865003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.865003][ T10] netlink_rcv_skb+0x130/0x360 [ 449.865003][ T10] netlink_unicast+0x449/0x710 [ 449.865003][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.865003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.865003][ T10] ___sys_sendmsg+0xee/0x170 [ 449.865003][ T10] __sys_sendmsg+0xcd/0x170 [ 449.865003][ T10] do_syscall_64+0xc6/0x1e0 [ 449.865003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.865003][ T10] [ 449.867034][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 449.867034][ T10] netdev_get_by_index+0x5e/0x80 [ 449.867034][ T10] fib6_nh_init+0x3d8/0x1580 [ 449.867034][ T10] ip6_route_info_create+0xf18/0x17d0 [ 449.867034][ T10] ip6_route_add+0x1c/0x140 [ 449.867034][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 449.867034][ T10] addrconf_add_dev+0xe2/0x170 [ 449.867034][ T10] inet6_addr_add+0x12f/0xa40 [ 449.867034][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 449.867034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.867034][ T10] netlink_rcv_skb+0x130/0x360 [ 449.867034][ T10] netlink_unicast+0x449/0x710 [ 449.867034][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.867034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.867034][ T10] ___sys_sendmsg+0xee/0x170 [ 449.867034][ T10] __sys_sendmsg+0xcd/0x170 [ 449.867034][ T10] do_syscall_64+0xc6/0x1e0 [ 449.867034][ T10] [ 449.869010][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 449.869010][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 449.869010][ T10] ipv6_find_idev+0x102/0x170 [ 449.869010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 449.869010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.869010][ T10] netlink_rcv_skb+0x130/0x360 [ 449.869010][ T10] netlink_unicast+0x449/0x710 [ 449.869010][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.869010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.869010][ T10] ___sys_sendmsg+0xee/0x170 [ 449.869010][ T10] __sys_sendmsg+0xcd/0x170 [ 449.869010][ T10] do_syscall_64+0xc6/0x1e0 [ 449.869010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.869010][ T10] [ 449.870584][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 449.870584][ T10] neigh_parms_alloc+0x1e5/0x510 [ 449.870584][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 449.870584][ T10] ipv6_find_idev+0x102/0x170 [ 449.870584][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 449.870584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.870584][ T10] netlink_rcv_skb+0x130/0x360 [ 449.870584][ T10] netlink_unicast+0x449/0x710 [ 449.870584][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.870584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.870584][ T10] ___sys_sendmsg+0xee/0x170 [ 449.870584][ T10] __sys_sendmsg+0xcd/0x170 [ 449.870584][ T10] do_syscall_64+0xc6/0x1e0 [ 449.870584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.870584][ T10] [ 449.872280][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 449.872524][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 449.872524][ T10] netdev_get_by_index+0x5e/0x80 [ 449.872524][ T10] fib6_nh_init+0x3d8/0x1580 [ 449.872524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 449.872524][ T10] addrconf_f6i_alloc+0x265/0x560 [ 449.872524][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 449.872524][ T10] addrconf_join_anycast+0x1c0/0x220 [ 449.872524][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 449.872524][ T10] addrconf_dad_completed+0x12b/0xe20 [ 449.872524][ T10] addrconf_dad_begin+0x310/0x670 [ 449.872524][ T10] addrconf_dad_work+0x10b/0xab0 [ 449.872524][ T10] process_one_work+0x84d/0x18a0 [ 449.872524][ T10] worker_thread+0x587/0xd30 [ 449.872524][ T10] kthread+0x28a/0x350 [ 449.872524][ T10] ret_from_fork+0x31/0x70 [ 449.872524][ T10] ret_from_fork_asm+0x1a/0x30 [ 449.872524][ T10] [ 449.874432][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 449.874432][ T10] netdev_get_by_index+0x5e/0x80 [ 449.874432][ T10] fib6_nh_init+0x3d8/0x1580 [ 449.874432][ T10] ip6_route_info_create+0xf18/0x17d0 [ 449.874432][ T10] ip6_route_add+0x1c/0x140 [ 449.874432][ T10] addrconf_prefix_route+0x2a6/0x430 [ 449.874432][ T10] inet6_addr_add+0x4f8/0xa40 [ 449.874432][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 449.874432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.874432][ T10] netlink_rcv_skb+0x130/0x360 [ 449.874432][ T10] netlink_unicast+0x449/0x710 [ 449.874432][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.874432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.874432][ T10] ___sys_sendmsg+0xee/0x170 [ 449.874432][ T10] __sys_sendmsg+0xcd/0x170 [ 449.874432][ T10] do_syscall_64+0xc6/0x1e0 [ 449.874432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.874432][ T10] [ 449.876675][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 449.876675][ T10] netdev_get_by_index+0x5e/0x80 [ 449.876675][ T10] fib6_nh_init+0x3d8/0x1580 [ 449.876675][ T10] ip6_route_info_create+0xf18/0x17d0 [ 449.876675][ T10] addrconf_f6i_alloc+0x315/0x560 [ 449.876675][ T10] ipv6_add_addr+0x411/0x2000 [ 449.876675][ T10] inet6_addr_add+0x30e/0xa40 [ 449.876675][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 449.876675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.876675][ T10] netlink_rcv_skb+0x130/0x360 [ 449.876675][ T10] netlink_unicast+0x449/0x710 [ 449.876675][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.876675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.876675][ T10] ___sys_sendmsg+0xee/0x170 [ 449.876675][ T10] __sys_sendmsg+0xcd/0x170 [ 449.876675][ T10] do_syscall_64+0xc6/0x1e0 [ 449.876675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.876675][ T10] [ 449.878966][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 449.878966][ T10] netdev_get_by_index+0x5e/0x80 [ 449.878966][ T10] fib6_nh_init+0x3d8/0x1580 [ 449.878966][ T10] ip6_route_info_create+0xf18/0x17d0 [ 449.878966][ T10] ip6_route_add+0x1c/0x140 [ 449.878966][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 449.878966][ T10] addrconf_add_dev+0xe2/0x170 [ 449.878966][ T10] inet6_addr_add+0x12f/0xa40 [ 449.878966][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 449.878966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.878966][ T10] netlink_rcv_skb+0x130/0x360 [ 449.878966][ T10] netlink_unicast+0x449/0x710 [ 449.878966][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.878966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.878966][ T10] ___sys_sendmsg+0xee/0x170 [ 449.878966][ T10] __sys_sendmsg+0xcd/0x170 [ 449.878966][ T10] do_syscall_64+0xc6/0x1e0 [ 449.878966][ T10] [ 449.881158][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 449.881158][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 449.881158][ T10] ipv6_find_idev+0x102/0x170 [ 449.881158][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 449.881158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.881158][ T10] netlink_rcv_skb+0x130/0x360 [ 449.881158][ T10] netlink_unicast+0x449/0x710 [ 449.881158][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.881158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.881158][ T10] ___sys_sendmsg+0xee/0x170 [ 449.881158][ T10] __sys_sendmsg+0xcd/0x170 [ 449.881158][ T10] do_syscall_64+0xc6/0x1e0 [ 449.881158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.881158][ T10] [ 449.882874][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 449.882874][ T10] neigh_parms_alloc+0x1e5/0x510 [ 449.882874][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 449.882874][ T10] ipv6_find_idev+0x102/0x170 [ 449.882874][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 449.882874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.882874][ T10] netlink_rcv_skb+0x130/0x360 [ 449.882874][ T10] netlink_unicast+0x449/0x710 [ 449.882874][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.882874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.882874][ T10] ___sys_sendmsg+0xee/0x170 [ 449.882874][ T10] __sys_sendmsg+0xcd/0x170 [ 449.882874][ T10] do_syscall_64+0xc6/0x1e0 [ 449.882874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.882874][ T10] [ 449.884692][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 449.884940][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 449.884940][ T10] netdev_get_by_index+0x5e/0x80 [ 449.884940][ T10] fib6_nh_init+0x3d8/0x1580 [ 449.884940][ T10] ip6_route_info_create+0xf18/0x17d0 [ 449.884940][ T10] addrconf_f6i_alloc+0x265/0x560 [ 449.884940][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 449.884940][ T10] addrconf_join_anycast+0x1c0/0x220 [ 449.884940][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 449.884940][ T10] addrconf_dad_completed+0x12b/0xe20 [ 449.884940][ T10] addrconf_dad_begin+0x310/0x670 [ 449.884940][ T10] addrconf_dad_work+0x10b/0xab0 [ 449.884940][ T10] process_one_work+0x84d/0x18a0 [ 449.884940][ T10] worker_thread+0x587/0xd30 [ 449.884940][ T10] kthread+0x28a/0x350 [ 449.884940][ T10] ret_from_fork+0x31/0x70 [ 449.884940][ T10] ret_from_fork_asm+0x1a/0x30 [ 449.884940][ T10] [ 449.887172][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 449.887172][ T10] netdev_get_by_index+0x5e/0x80 [ 449.887172][ T10] fib6_nh_init+0x3d8/0x1580 [ 449.887172][ T10] ip6_route_info_create+0xf18/0x17d0 [ 449.887172][ T10] ip6_route_add+0x1c/0x140 [ 449.887172][ T10] addrconf_prefix_route+0x2a6/0x430 [ 449.887172][ T10] inet6_addr_add+0x4f8/0xa40 [ 449.887172][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 449.887172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.887172][ T10] netlink_rcv_skb+0x130/0x360 [ 449.887172][ T10] netlink_unicast+0x449/0x710 [ 449.887172][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.887172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.887172][ T10] ___sys_sendmsg+0xee/0x170 [ 449.887172][ T10] __sys_sendmsg+0xcd/0x170 [ 449.887172][ T10] do_syscall_64+0xc6/0x1e0 [ 449.887172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.887172][ T10] [ 449.889413][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 449.889413][ T10] netdev_get_by_index+0x5e/0x80 [ 449.889413][ T10] fib6_nh_init+0x3d8/0x1580 [ 449.889413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 449.889413][ T10] addrconf_f6i_alloc+0x315/0x560 [ 449.889413][ T10] ipv6_add_addr+0x411/0x2000 [ 449.889413][ T10] inet6_addr_add+0x30e/0xa40 [ 449.889413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 449.889413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.889413][ T10] netlink_rcv_skb+0x130/0x360 [ 449.889413][ T10] netlink_unicast+0x449/0x710 [ 449.889413][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.889413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.889413][ T10] ___sys_sendmsg+0xee/0x170 [ 449.889413][ T10] __sys_sendmsg+0xcd/0x170 [ 449.889413][ T10] do_syscall_64+0xc6/0x1e0 [ 449.889413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.889413][ T10] [ 449.891688][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 449.891688][ T10] netdev_get_by_index+0x5e/0x80 [ 449.891688][ T10] fib6_nh_init+0x3d8/0x1580 [ 449.891688][ T10] ip6_route_info_create+0xf18/0x17d0 [ 449.891688][ T10] ip6_route_add+0x1c/0x140 [ 449.891688][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 449.891688][ T10] addrconf_add_dev+0xe2/0x170 [ 449.891688][ T10] inet6_addr_add+0x12f/0xa40 [ 449.891688][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 449.891688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.891688][ T10] netlink_rcv_skb+0x130/0x360 [ 449.891688][ T10] netlink_unicast+0x449/0x710 [ 449.891688][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.891688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.891688][ T10] ___sys_sendmsg+0xee/0x170 [ 449.891688][ T10] __sys_sendmsg+0xcd/0x170 [ 449.891688][ T10] do_syscall_64+0xc6/0x1e0 [ 449.891688][ T10] [ 449.893858][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 449.893858][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 449.893858][ T10] ipv6_find_idev+0x102/0x170 [ 449.893858][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 449.893858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.893858][ T10] netlink_rcv_skb+0x130/0x360 [ 449.893858][ T10] netlink_unicast+0x449/0x710 [ 449.893858][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.893858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.893858][ T10] ___sys_sendmsg+0xee/0x170 [ 449.893858][ T10] __sys_sendmsg+0xcd/0x170 [ 449.893858][ T10] do_syscall_64+0xc6/0x1e0 [ 449.893858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.893858][ T10] [ 449.895610][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 449.895610][ T10] neigh_parms_alloc+0x1e5/0x510 [ 449.895610][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 449.895610][ T10] ipv6_find_idev+0x102/0x170 [ 449.895610][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 449.895610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 449.895610][ T10] netlink_rcv_skb+0x130/0x360 [ 449.895610][ T10] netlink_unicast+0x449/0x710 [ 449.895610][ T10] netlink_sendmsg+0x723/0xbe0 [ 449.895610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 449.895610][ T10] ___sys_sendmsg+0xee/0x170 [ 449.895610][ T10] __sys_sendmsg+0xcd/0x170 [ 449.895610][ T10] do_syscall_64+0xc6/0x1e0 [ 449.895610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 449.895610][ T10] [ 452.409239][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 452.409737][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 452.409737][ T1167] dst_init+0x84/0x4a0 [ 452.409737][ T1167] dst_alloc+0x97/0x150 [ 452.409737][ T1167] ip6_dst_alloc+0x23/0x90 [ 452.409737][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 452.409737][ T1167] ip6_pol_route+0x56f/0x840 [ 452.409737][ T1167] fib6_rule_lookup+0x334/0x630 [ 452.409737][ T1167] ip6_route_output_flags+0x259/0x480 [ 452.409737][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 452.409737][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 452.409737][ T1167] netlink_rcv_skb+0x130/0x360 [ 452.409737][ T1167] netlink_unicast+0x449/0x710 [ 452.409737][ T1167] netlink_sendmsg+0x723/0xbe0 [ 452.409737][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 452.409737][ T1167] ___sys_sendmsg+0xee/0x170 [ 452.409737][ T1167] __sys_sendmsg+0xcd/0x170 [ 452.409737][ T1167] do_syscall_64+0xc6/0x1e0 [ 452.409737][ T1167] [ 452.412123][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 452.412123][ T1167] netdev_get_by_index+0x5e/0x80 [ 452.412123][ T1167] fib6_nh_init+0x3d8/0x1580 [ 452.412123][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 452.412123][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 452.412123][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 452.412123][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 452.412123][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 452.412123][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 452.412123][ T1167] addrconf_dad_begin+0x310/0x670 [ 452.412123][ T1167] addrconf_dad_work+0x10b/0xab0 [ 452.412123][ T1167] process_one_work+0x84d/0x18a0 [ 452.412123][ T1167] worker_thread+0x587/0xd30 [ 452.412123][ T1167] kthread+0x28a/0x350 [ 452.412123][ T1167] ret_from_fork+0x31/0x70 [ 452.412123][ T1167] ret_from_fork_asm+0x1a/0x30 [ 452.412123][ T1167] [ 452.414333][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 452.414333][ T1167] netdev_get_by_index+0x5e/0x80 [ 452.414333][ T1167] fib6_nh_init+0x3d8/0x1580 [ 452.414333][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 452.414333][ T1167] ip6_route_add+0x1c/0x140 [ 452.414333][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 452.414333][ T1167] inet6_addr_add+0x4f8/0xa40 [ 452.414333][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 452.414333][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 452.414333][ T1167] netlink_rcv_skb+0x130/0x360 [ 452.414333][ T1167] netlink_unicast+0x449/0x710 [ 452.414333][ T1167] netlink_sendmsg+0x723/0xbe0 [ 452.414333][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 452.414333][ T1167] ___sys_sendmsg+0xee/0x170 [ 452.414333][ T1167] __sys_sendmsg+0xcd/0x170 [ 452.414333][ T1167] do_syscall_64+0xc6/0x1e0 [ 452.414333][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 452.414333][ T1167] [ 452.416674][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 452.416674][ T1167] netdev_get_by_index+0x5e/0x80 [ 452.416674][ T1167] fib6_nh_init+0x3d8/0x1580 [ 452.416674][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 452.416674][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 452.416674][ T1167] ipv6_add_addr+0x411/0x2000 [ 452.416674][ T1167] inet6_addr_add+0x30e/0xa40 [ 452.416674][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 452.416674][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 452.416674][ T1167] netlink_rcv_skb+0x130/0x360 [ 452.416674][ T1167] netlink_unicast+0x449/0x710 [ 452.416674][ T1167] netlink_sendmsg+0x723/0xbe0 [ 452.416674][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 452.416674][ T1167] ___sys_sendmsg+0xee/0x170 [ 452.416674][ T1167] __sys_sendmsg+0xcd/0x170 [ 452.416674][ T1167] do_syscall_64+0xc6/0x1e0 [ 452.416674][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 452.416674][ T1167] [ 452.418989][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 452.418989][ T1167] netdev_get_by_index+0x5e/0x80 [ 452.418989][ T1167] fib6_nh_init+0x3d8/0x1580 [ 452.418989][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 452.418989][ T1167] ip6_route_add+0x1c/0x140 [ 452.418989][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 452.418989][ T1167] addrconf_add_dev+0xe2/0x170 [ 452.418989][ T1167] inet6_addr_add+0x12f/0xa40 [ 452.418989][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 452.418989][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 452.418989][ T1167] netlink_rcv_skb+0x130/0x360 [ 452.418989][ T1167] netlink_unicast+0x449/0x710 [ 452.418989][ T1167] netlink_sendmsg+0x723/0xbe0 [ 452.418989][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 452.418989][ T1167] ___sys_sendmsg+0xee/0x170 [ 452.418989][ T1167] __sys_sendmsg+0xcd/0x170 [ 452.418989][ T1167] do_syscall_64+0xc6/0x1e0 [ 452.418989][ T1167] [ 452.421276][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 452.421276][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 452.421276][ T1167] ipv6_find_idev+0x102/0x170 [ 452.421276][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 452.421276][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 452.421276][ T1167] netlink_rcv_skb+0x130/0x360 [ 452.421276][ T1167] netlink_unicast+0x449/0x710 [ 452.421276][ T1167] netlink_sendmsg+0x723/0xbe0 [ 452.421276][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 452.421276][ T1167] ___sys_sendmsg+0xee/0x170 [ 452.421276][ T1167] __sys_sendmsg+0xcd/0x170 [ 452.421276][ T1167] do_syscall_64+0xc6/0x1e0 [ 452.421276][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 452.421276][ T1167] [ 452.423056][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 452.423056][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 452.423056][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 452.423056][ T1167] ipv6_find_idev+0x102/0x170 [ 452.423056][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 452.423056][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 452.423056][ T1167] netlink_rcv_skb+0x130/0x360 [ 452.423056][ T1167] netlink_unicast+0x449/0x710 [ 452.423056][ T1167] netlink_sendmsg+0x723/0xbe0 [ 452.423056][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 452.423056][ T1167] ___sys_sendmsg+0xee/0x170 [ 452.423056][ T1167] __sys_sendmsg+0xcd/0x170 [ 452.423056][ T1167] do_syscall_64+0xc6/0x1e0 [ 452.423056][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 452.423056][ T1167] [ 460.345169][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 460.345561][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 460.345561][ T10] netdev_get_by_index+0x5e/0x80 [ 460.345561][ T10] fib6_nh_init+0x3d8/0x1580 [ 460.345561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 460.345561][ T10] addrconf_f6i_alloc+0x265/0x560 [ 460.345561][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 460.345561][ T10] addrconf_join_anycast+0x1c0/0x220 [ 460.345561][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 460.345561][ T10] addrconf_dad_completed+0x12b/0xe20 [ 460.345561][ T10] addrconf_dad_begin+0x310/0x670 [ 460.345561][ T10] addrconf_dad_work+0x10b/0xab0 [ 460.345561][ T10] process_one_work+0x84d/0x18a0 [ 460.345561][ T10] worker_thread+0x587/0xd30 [ 460.345561][ T10] kthread+0x28a/0x350 [ 460.345561][ T10] ret_from_fork+0x31/0x70 [ 460.345561][ T10] ret_from_fork_asm+0x1a/0x30 [ 460.345561][ T10] [ 460.347618][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 460.347618][ T10] netdev_get_by_index+0x5e/0x80 [ 460.347618][ T10] fib6_nh_init+0x3d8/0x1580 [ 460.347618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 460.347618][ T10] ip6_route_add+0x1c/0x140 [ 460.347618][ T10] addrconf_prefix_route+0x2a6/0x430 [ 460.347618][ T10] inet6_addr_add+0x4f8/0xa40 [ 460.347618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 460.347618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.347618][ T10] netlink_rcv_skb+0x130/0x360 [ 460.347618][ T10] netlink_unicast+0x449/0x710 [ 460.347618][ T10] netlink_sendmsg+0x723/0xbe0 [ 460.347618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 460.347618][ T10] ___sys_sendmsg+0xee/0x170 [ 460.347618][ T10] __sys_sendmsg+0xcd/0x170 [ 460.347618][ T10] do_syscall_64+0xc6/0x1e0 [ 460.347618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 460.347618][ T10] [ 460.349614][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 460.349614][ T10] netdev_get_by_index+0x5e/0x80 [ 460.349614][ T10] fib6_nh_init+0x3d8/0x1580 [ 460.349614][ T10] ip6_route_info_create+0xf18/0x17d0 [ 460.349614][ T10] addrconf_f6i_alloc+0x315/0x560 [ 460.349614][ T10] ipv6_add_addr+0x411/0x2000 [ 460.349614][ T10] inet6_addr_add+0x30e/0xa40 [ 460.349614][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 460.349614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.349614][ T10] netlink_rcv_skb+0x130/0x360 [ 460.349614][ T10] netlink_unicast+0x449/0x710 [ 460.349614][ T10] netlink_sendmsg+0x723/0xbe0 [ 460.349614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 460.349614][ T10] ___sys_sendmsg+0xee/0x170 [ 460.349614][ T10] __sys_sendmsg+0xcd/0x170 [ 460.349614][ T10] do_syscall_64+0xc6/0x1e0 [ 460.349614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 460.349614][ T10] [ 460.351635][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 460.351635][ T10] netdev_get_by_index+0x5e/0x80 [ 460.351635][ T10] fib6_nh_init+0x3d8/0x1580 [ 460.351635][ T10] ip6_route_info_create+0xf18/0x17d0 [ 460.351635][ T10] ip6_route_add+0x1c/0x140 [ 460.351635][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 460.351635][ T10] addrconf_add_dev+0xe2/0x170 [ 460.351635][ T10] inet6_addr_add+0x12f/0xa40 [ 460.351635][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 460.351635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.351635][ T10] netlink_rcv_skb+0x130/0x360 [ 460.351635][ T10] netlink_unicast+0x449/0x710 [ 460.351635][ T10] netlink_sendmsg+0x723/0xbe0 [ 460.351635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 460.351635][ T10] ___sys_sendmsg+0xee/0x170 [ 460.351635][ T10] __sys_sendmsg+0xcd/0x170 [ 460.351635][ T10] do_syscall_64+0xc6/0x1e0 [ 460.351635][ T10] [ 460.353595][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 460.353595][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 460.353595][ T10] ipv6_find_idev+0x102/0x170 [ 460.353595][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 460.353595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.353595][ T10] netlink_rcv_skb+0x130/0x360 [ 460.353595][ T10] netlink_unicast+0x449/0x710 [ 460.353595][ T10] netlink_sendmsg+0x723/0xbe0 [ 460.353595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 460.353595][ T10] ___sys_sendmsg+0xee/0x170 [ 460.353595][ T10] __sys_sendmsg+0xcd/0x170 [ 460.353595][ T10] do_syscall_64+0xc6/0x1e0 [ 460.353595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 460.353595][ T10] [ 460.355152][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 460.355152][ T10] neigh_parms_alloc+0x1e5/0x510 [ 460.355152][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 460.355152][ T10] ipv6_find_idev+0x102/0x170 [ 460.355152][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 460.355152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.355152][ T10] netlink_rcv_skb+0x130/0x360 [ 460.355152][ T10] netlink_unicast+0x449/0x710 [ 460.355152][ T10] netlink_sendmsg+0x723/0xbe0 [ 460.355152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 460.355152][ T10] ___sys_sendmsg+0xee/0x170 [ 460.355152][ T10] __sys_sendmsg+0xcd/0x170 [ 460.355152][ T10] do_syscall_64+0xc6/0x1e0 [ 460.355152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 460.355152][ T10] [ 460.356885][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 460.357152][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 460.357152][ T10] netdev_get_by_index+0x5e/0x80 [ 460.357152][ T10] fib6_nh_init+0x3d8/0x1580 [ 460.357152][ T10] ip6_route_info_create+0xf18/0x17d0 [ 460.357152][ T10] addrconf_f6i_alloc+0x265/0x560 [ 460.357152][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 460.357152][ T10] addrconf_join_anycast+0x1c0/0x220 [ 460.357152][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 460.357152][ T10] addrconf_dad_completed+0x12b/0xe20 [ 460.357152][ T10] addrconf_dad_begin+0x310/0x670 [ 460.357152][ T10] addrconf_dad_work+0x10b/0xab0 [ 460.357152][ T10] process_one_work+0x84d/0x18a0 [ 460.357152][ T10] worker_thread+0x587/0xd30 [ 460.357152][ T10] kthread+0x28a/0x350 [ 460.357152][ T10] ret_from_fork+0x31/0x70 [ 460.357152][ T10] ret_from_fork_asm+0x1a/0x30 [ 460.357152][ T10] [ 460.359102][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 460.359102][ T10] netdev_get_by_index+0x5e/0x80 [ 460.359102][ T10] fib6_nh_init+0x3d8/0x1580 [ 460.359102][ T10] ip6_route_info_create+0xf18/0x17d0 [ 460.359102][ T10] ip6_route_add+0x1c/0x140 [ 460.359102][ T10] addrconf_prefix_route+0x2a6/0x430 [ 460.359102][ T10] inet6_addr_add+0x4f8/0xa40 [ 460.359102][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 460.359102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.359102][ T10] netlink_rcv_skb+0x130/0x360 [ 460.359102][ T10] netlink_unicast+0x449/0x710 [ 460.359102][ T10] netlink_sendmsg+0x723/0xbe0 [ 460.359102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 460.359102][ T10] ___sys_sendmsg+0xee/0x170 [ 460.359102][ T10] __sys_sendmsg+0xcd/0x170 [ 460.359102][ T10] do_syscall_64+0xc6/0x1e0 [ 460.359102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 460.359102][ T10] [ 460.361095][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 460.361095][ T10] netdev_get_by_index+0x5e/0x80 [ 460.361095][ T10] fib6_nh_init+0x3d8/0x1580 [ 460.361095][ T10] ip6_route_info_create+0xf18/0x17d0 [ 460.361095][ T10] addrconf_f6i_alloc+0x315/0x560 [ 460.361095][ T10] ipv6_add_addr+0x411/0x2000 [ 460.361095][ T10] inet6_addr_add+0x30e/0xa40 [ 460.361095][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 460.361095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.361095][ T10] netlink_rcv_skb+0x130/0x360 [ 460.361095][ T10] netlink_unicast+0x449/0x710 [ 460.361095][ T10] netlink_sendmsg+0x723/0xbe0 [ 460.361095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 460.361095][ T10] ___sys_sendmsg+0xee/0x170 [ 460.361095][ T10] __sys_sendmsg+0xcd/0x170 [ 460.361095][ T10] do_syscall_64+0xc6/0x1e0 [ 460.361095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 460.361095][ T10] [ 460.363141][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 460.363141][ T10] netdev_get_by_index+0x5e/0x80 [ 460.363141][ T10] fib6_nh_init+0x3d8/0x1580 [ 460.363141][ T10] ip6_route_info_create+0xf18/0x17d0 [ 460.363141][ T10] ip6_route_add+0x1c/0x140 [ 460.363141][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 460.363141][ T10] addrconf_add_dev+0xe2/0x170 [ 460.363141][ T10] inet6_addr_add+0x12f/0xa40 [ 460.363141][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 460.363141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.363141][ T10] netlink_rcv_skb+0x130/0x360 [ 460.363141][ T10] netlink_unicast+0x449/0x710 [ 460.363141][ T10] netlink_sendmsg+0x723/0xbe0 [ 460.363141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 460.363141][ T10] ___sys_sendmsg+0xee/0x170 [ 460.363141][ T10] __sys_sendmsg+0xcd/0x170 [ 460.363141][ T10] do_syscall_64+0xc6/0x1e0 [ 460.363141][ T10] [ 460.365114][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 460.365114][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 460.365114][ T10] ipv6_find_idev+0x102/0x170 [ 460.365114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 460.365114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.365114][ T10] netlink_rcv_skb+0x130/0x360 [ 460.365114][ T10] netlink_unicast+0x449/0x710 [ 460.365114][ T10] netlink_sendmsg+0x723/0xbe0 [ 460.365114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 460.365114][ T10] ___sys_sendmsg+0xee/0x170 [ 460.365114][ T10] __sys_sendmsg+0xcd/0x170 [ 460.365114][ T10] do_syscall_64+0xc6/0x1e0 [ 460.365114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 460.365114][ T10] [ 460.366668][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 460.366668][ T10] neigh_parms_alloc+0x1e5/0x510 [ 460.366668][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 460.366668][ T10] ipv6_find_idev+0x102/0x170 [ 460.366668][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 460.366668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.366668][ T10] netlink_rcv_skb+0x130/0x360 [ 460.366668][ T10] netlink_unicast+0x449/0x710 [ 460.366668][ T10] netlink_sendmsg+0x723/0xbe0 [ 460.366668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 460.366668][ T10] ___sys_sendmsg+0xee/0x170 [ 460.366668][ T10] __sys_sendmsg+0xcd/0x170 [ 460.366668][ T10] do_syscall_64+0xc6/0x1e0 [ 460.366668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 460.366668][ T10] [ 460.368389][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 460.368638][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 460.368638][ T10] netdev_get_by_index+0x5e/0x80 [ 460.368638][ T10] fib6_nh_init+0x3d8/0x1580 [ 460.368638][ T10] ip6_route_info_create+0xf18/0x17d0 [ 460.368638][ T10] addrconf_f6i_alloc+0x265/0x560 [ 460.368638][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 460.368638][ T10] addrconf_join_anycast+0x1c0/0x220 [ 460.368638][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 460.368638][ T10] addrconf_dad_completed+0x12b/0xe20 [ 460.368638][ T10] addrconf_dad_begin+0x310/0x670 [ 460.368638][ T10] addrconf_dad_work+0x10b/0xab0 [ 460.368638][ T10] process_one_work+0x84d/0x18a0 [ 460.368638][ T10] worker_thread+0x587/0xd30 [ 460.368638][ T10] kthread+0x28a/0x350 [ 460.368638][ T10] ret_from_fork+0x31/0x70 [ 460.368638][ T10] ret_from_fork_asm+0x1a/0x30 [ 460.368638][ T10] [ 460.370545][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 460.370545][ T10] netdev_get_by_index+0x5e/0x80 [ 460.370545][ T10] fib6_nh_init+0x3d8/0x1580 [ 460.370545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 460.370545][ T10] ip6_route_add+0x1c/0x140 [ 460.370545][ T10] addrconf_prefix_route+0x2a6/0x430 [ 460.370545][ T10] inet6_addr_add+0x4f8/0xa40 [ 460.370545][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 460.370545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.370545][ T10] netlink_rcv_skb+0x130/0x360 [ 460.370545][ T10] netlink_unicast+0x449/0x710 [ 460.370545][ T10] netlink_sendmsg+0x723/0xbe0 [ 460.370545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 460.370545][ T10] ___sys_sendmsg+0xee/0x170 [ 460.370545][ T10] __sys_sendmsg+0xcd/0x170 [ 460.370545][ T10] do_syscall_64+0xc6/0x1e0 [ 460.370545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 460.370545][ T10] [ 460.372734][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 460.372734][ T10] netdev_get_by_index+0x5e/0x80 [ 460.372734][ T10] fib6_nh_init+0x3d8/0x1580 [ 460.372734][ T10] ip6_route_info_create+0xf18/0x17d0 [ 460.372734][ T10] addrconf_f6i_alloc+0x315/0x560 [ 460.372734][ T10] ipv6_add_addr+0x411/0x2000 [ 460.372734][ T10] inet6_addr_add+0x30e/0xa40 [ 460.372734][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 460.372734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.372734][ T10] netlink_rcv_skb+0x130/0x360 [ 460.372734][ T10] netlink_unicast+0x449/0x710 [ 460.372734][ T10] netlink_sendmsg+0x723/0xbe0 [ 460.372734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 460.372734][ T10] ___sys_sendmsg+0xee/0x170 [ 460.372734][ T10] __sys_sendmsg+0xcd/0x170 [ 460.372734][ T10] do_syscall_64+0xc6/0x1e0 [ 460.372734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 460.372734][ T10] [ 460.374983][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 460.374983][ T10] netdev_get_by_index+0x5e/0x80 [ 460.374983][ T10] fib6_nh_init+0x3d8/0x1580 [ 460.374983][ T10] ip6_route_info_create+0xf18/0x17d0 [ 460.374983][ T10] ip6_route_add+0x1c/0x140 [ 460.374983][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 460.374983][ T10] addrconf_add_dev+0xe2/0x170 [ 460.374983][ T10] inet6_addr_add+0x12f/0xa40 [ 460.374983][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 460.374983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.374983][ T10] netlink_rcv_skb+0x130/0x360 [ 460.374983][ T10] netlink_unicast+0x449/0x710 [ 460.374983][ T10] netlink_sendmsg+0x723/0xbe0 [ 460.374983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 460.374983][ T10] ___sys_sendmsg+0xee/0x170 [ 460.374983][ T10] __sys_sendmsg+0xcd/0x170 [ 460.374983][ T10] do_syscall_64+0xc6/0x1e0 [ 460.374983][ T10] [ 460.377210][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 460.377210][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 460.377210][ T10] ipv6_find_idev+0x102/0x170 [ 460.377210][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 460.377210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.377210][ T10] netlink_rcv_skb+0x130/0x360 [ 460.377210][ T10] netlink_unicast+0x449/0x710 [ 460.377210][ T10] netlink_sendmsg+0x723/0xbe0 [ 460.377210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 460.377210][ T10] ___sys_sendmsg+0xee/0x170 [ 460.377210][ T10] __sys_sendmsg+0xcd/0x170 [ 460.377210][ T10] do_syscall_64+0xc6/0x1e0 [ 460.377210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 460.377210][ T10] [ 460.378950][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 460.378950][ T10] neigh_parms_alloc+0x1e5/0x510 [ 460.378950][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 460.378950][ T10] ipv6_find_idev+0x102/0x170 [ 460.378950][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 460.378950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.378950][ T10] netlink_rcv_skb+0x130/0x360 [ 460.378950][ T10] netlink_unicast+0x449/0x710 [ 460.378950][ T10] netlink_sendmsg+0x723/0xbe0 [ 460.378950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 460.378950][ T10] ___sys_sendmsg+0xee/0x170 [ 460.378950][ T10] __sys_sendmsg+0xcd/0x170 [ 460.378950][ T10] do_syscall_64+0xc6/0x1e0 [ 460.378950][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 460.378950][ T10] [ 460.381325][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 460.381591][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 460.381591][ T10] netdev_get_by_index+0x5e/0x80 [ 460.381591][ T10] fib6_nh_init+0x3d8/0x1580 [ 460.381591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 460.381591][ T10] addrconf_f6i_alloc+0x265/0x560 [ 460.381591][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 460.381591][ T10] addrconf_join_anycast+0x1c0/0x220 [ 460.381591][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 460.381591][ T10] addrconf_dad_completed+0x12b/0xe20 [ 460.381591][ T10] addrconf_dad_begin+0x310/0x670 [ 460.381591][ T10] addrconf_dad_work+0x10b/0xab0 [ 460.381591][ T10] process_one_work+0x84d/0x18a0 [ 460.381591][ T10] worker_thread+0x587/0xd30 [ 460.381591][ T10] kthread+0x28a/0x350 [ 460.381591][ T10] ret_from_fork+0x31/0x70 [ 460.381591][ T10] ret_from_fork_asm+0x1a/0x30 [ 460.381591][ T10] [ 460.383771][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 460.383771][ T10] netdev_get_by_index+0x5e/0x80 [ 460.383771][ T10] fib6_nh_init+0x3d8/0x1580 [ 460.383771][ T10] ip6_route_info_create+0xf18/0x17d0 [ 460.383771][ T10] ip6_route_add+0x1c/0x140 [ 460.383771][ T10] addrconf_prefix_route+0x2a6/0x430 [ 460.383771][ T10] inet6_addr_add+0x4f8/0xa40 [ 460.383771][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 460.383771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.383771][ T10] netlink_rcv_skb+0x130/0x360 [ 460.383771][ T10] netlink_unicast+0x449/0x710 [ 460.383771][ T10] netlink_sendmsg+0x723/0xbe0 [ 460.383771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 460.383771][ T10] ___sys_sendmsg+0xee/0x170 [ 460.383771][ T10] __sys_sendmsg+0xcd/0x170 [ 460.383771][ T10] do_syscall_64+0xc6/0x1e0 [ 460.383771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 460.383771][ T10] [ 460.386038][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 460.386038][ T10] netdev_get_by_index+0x5e/0x80 [ 460.386038][ T10] fib6_nh_init+0x3d8/0x1580 [ 460.386038][ T10] ip6_route_info_create+0xf18/0x17d0 [ 460.386038][ T10] addrconf_f6i_alloc+0x315/0x560 [ 460.386038][ T10] ipv6_add_addr+0x411/0x2000 [ 460.386038][ T10] inet6_addr_add+0x30e/0xa40 [ 460.386038][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 460.386038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.386038][ T10] netlink_rcv_skb+0x130/0x360 [ 460.386038][ T10] netlink_unicast+0x449/0x710 [ 460.386038][ T10] netlink_sendmsg+0x723/0xbe0 [ 460.386038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 460.386038][ T10] ___sys_sendmsg+0xee/0x170 [ 460.386038][ T10] __sys_sendmsg+0xcd/0x170 [ 460.386038][ T10] do_syscall_64+0xc6/0x1e0 [ 460.386038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 460.386038][ T10] [ 460.388344][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 460.388344][ T10] netdev_get_by_index+0x5e/0x80 [ 460.388344][ T10] fib6_nh_init+0x3d8/0x1580 [ 460.388344][ T10] ip6_route_info_create+0xf18/0x17d0 [ 460.388344][ T10] ip6_route_add+0x1c/0x140 [ 460.388344][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 460.388344][ T10] addrconf_add_dev+0xe2/0x170 [ 460.388344][ T10] inet6_addr_add+0x12f/0xa40 [ 460.388344][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 460.388344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.388344][ T10] netlink_rcv_skb+0x130/0x360 [ 460.388344][ T10] netlink_unicast+0x449/0x710 [ 460.388344][ T10] netlink_sendmsg+0x723/0xbe0 [ 460.388344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 460.388344][ T10] ___sys_sendmsg+0xee/0x170 [ 460.388344][ T10] __sys_sendmsg+0xcd/0x170 [ 460.388344][ T10] do_syscall_64+0xc6/0x1e0 [ 460.388344][ T10] [ 460.390558][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 460.390558][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 460.390558][ T10] ipv6_find_idev+0x102/0x170 [ 460.390558][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 460.390558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.390558][ T10] netlink_rcv_skb+0x130/0x360 [ 460.390558][ T10] netlink_unicast+0x449/0x710 [ 460.390558][ T10] netlink_sendmsg+0x723/0xbe0 [ 460.390558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 460.390558][ T10] ___sys_sendmsg+0xee/0x170 [ 460.390558][ T10] __sys_sendmsg+0xcd/0x170 [ 460.390558][ T10] do_syscall_64+0xc6/0x1e0 [ 460.390558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 460.390558][ T10] [ 460.392294][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 460.392294][ T10] neigh_parms_alloc+0x1e5/0x510 [ 460.392294][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 460.392294][ T10] ipv6_find_idev+0x102/0x170 [ 460.392294][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 460.392294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.392294][ T10] netlink_rcv_skb+0x130/0x360 [ 460.392294][ T10] netlink_unicast+0x449/0x710 [ 460.392294][ T10] netlink_sendmsg+0x723/0xbe0 [ 460.392294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 460.392294][ T10] ___sys_sendmsg+0xee/0x170 [ 460.392294][ T10] __sys_sendmsg+0xcd/0x170 [ 460.392294][ T10] do_syscall_64+0xc6/0x1e0 [ 460.392294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 460.392294][ T10] [ 462.441113][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 462.441571][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 462.441571][ T1167] dst_init+0x84/0x4a0 [ 462.441571][ T1167] dst_alloc+0x97/0x150 [ 462.441571][ T1167] ip6_dst_alloc+0x23/0x90 [ 462.441571][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 462.441571][ T1167] ip6_pol_route+0x56f/0x840 [ 462.441571][ T1167] fib6_rule_lookup+0x334/0x630 [ 462.441571][ T1167] ip6_route_output_flags+0x259/0x480 [ 462.441571][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 462.441571][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 462.441571][ T1167] netlink_rcv_skb+0x130/0x360 [ 462.441571][ T1167] netlink_unicast+0x449/0x710 [ 462.441571][ T1167] netlink_sendmsg+0x723/0xbe0 [ 462.441571][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 462.441571][ T1167] ___sys_sendmsg+0xee/0x170 [ 462.441571][ T1167] __sys_sendmsg+0xcd/0x170 [ 462.441571][ T1167] do_syscall_64+0xc6/0x1e0 [ 462.441571][ T1167] [ 462.443789][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 462.443789][ T1167] netdev_get_by_index+0x5e/0x80 [ 462.443789][ T1167] fib6_nh_init+0x3d8/0x1580 [ 462.443789][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 462.443789][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 462.443789][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 462.443789][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 462.443789][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 462.443789][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 462.443789][ T1167] addrconf_dad_begin+0x310/0x670 [ 462.443789][ T1167] addrconf_dad_work+0x10b/0xab0 [ 462.443789][ T1167] process_one_work+0x84d/0x18a0 [ 462.443789][ T1167] worker_thread+0x587/0xd30 [ 462.443789][ T1167] kthread+0x28a/0x350 [ 462.443789][ T1167] ret_from_fork+0x31/0x70 [ 462.443789][ T1167] ret_from_fork_asm+0x1a/0x30 [ 462.443789][ T1167] [ 462.445989][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 462.445989][ T1167] netdev_get_by_index+0x5e/0x80 [ 462.445989][ T1167] fib6_nh_init+0x3d8/0x1580 [ 462.445989][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 462.445989][ T1167] ip6_route_add+0x1c/0x140 [ 462.445989][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 462.445989][ T1167] inet6_addr_add+0x4f8/0xa40 [ 462.445989][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 462.445989][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.445989][ T1167] netlink_rcv_skb+0x130/0x360 [ 462.445989][ T1167] netlink_unicast+0x449/0x710 [ 462.445989][ T1167] netlink_sendmsg+0x723/0xbe0 [ 462.445989][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 462.445989][ T1167] ___sys_sendmsg+0xee/0x170 [ 462.445989][ T1167] __sys_sendmsg+0xcd/0x170 [ 462.445989][ T1167] do_syscall_64+0xc6/0x1e0 [ 462.445989][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.445989][ T1167] [ 462.448323][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 462.448323][ T1167] netdev_get_by_index+0x5e/0x80 [ 462.448323][ T1167] fib6_nh_init+0x3d8/0x1580 [ 462.448323][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 462.448323][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 462.448323][ T1167] ipv6_add_addr+0x411/0x2000 [ 462.448323][ T1167] inet6_addr_add+0x30e/0xa40 [ 462.448323][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 462.448323][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.448323][ T1167] netlink_rcv_skb+0x130/0x360 [ 462.448323][ T1167] netlink_unicast+0x449/0x710 [ 462.448323][ T1167] netlink_sendmsg+0x723/0xbe0 [ 462.448323][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 462.448323][ T1167] ___sys_sendmsg+0xee/0x170 [ 462.448323][ T1167] __sys_sendmsg+0xcd/0x170 [ 462.448323][ T1167] do_syscall_64+0xc6/0x1e0 [ 462.448323][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.448323][ T1167] [ 462.450577][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 462.450577][ T1167] netdev_get_by_index+0x5e/0x80 [ 462.450577][ T1167] fib6_nh_init+0x3d8/0x1580 [ 462.450577][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 462.450577][ T1167] ip6_route_add+0x1c/0x140 [ 462.450577][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 462.450577][ T1167] addrconf_add_dev+0xe2/0x170 [ 462.450577][ T1167] inet6_addr_add+0x12f/0xa40 [ 462.450577][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 462.450577][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.450577][ T1167] netlink_rcv_skb+0x130/0x360 [ 462.450577][ T1167] netlink_unicast+0x449/0x710 [ 462.450577][ T1167] netlink_sendmsg+0x723/0xbe0 [ 462.450577][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 462.450577][ T1167] ___sys_sendmsg+0xee/0x170 [ 462.450577][ T1167] __sys_sendmsg+0xcd/0x170 [ 462.450577][ T1167] do_syscall_64+0xc6/0x1e0 [ 462.450577][ T1167] [ 462.452787][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 462.452787][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 462.452787][ T1167] ipv6_find_idev+0x102/0x170 [ 462.452787][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.452787][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.452787][ T1167] netlink_rcv_skb+0x130/0x360 [ 462.452787][ T1167] netlink_unicast+0x449/0x710 [ 462.452787][ T1167] netlink_sendmsg+0x723/0xbe0 [ 462.452787][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 462.452787][ T1167] ___sys_sendmsg+0xee/0x170 [ 462.452787][ T1167] __sys_sendmsg+0xcd/0x170 [ 462.452787][ T1167] do_syscall_64+0xc6/0x1e0 [ 462.452787][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.452787][ T1167] [ 462.454526][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 462.454526][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 462.454526][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 462.454526][ T1167] ipv6_find_idev+0x102/0x170 [ 462.454526][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.454526][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.454526][ T1167] netlink_rcv_skb+0x130/0x360 [ 462.454526][ T1167] netlink_unicast+0x449/0x710 [ 462.454526][ T1167] netlink_sendmsg+0x723/0xbe0 [ 462.454526][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 462.454526][ T1167] ___sys_sendmsg+0xee/0x170 [ 462.454526][ T1167] __sys_sendmsg+0xcd/0x170 [ 462.454526][ T1167] do_syscall_64+0xc6/0x1e0 [ 462.454526][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.454526][ T1167] [ 470.617135][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 470.617560][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 470.617560][ T10] netdev_get_by_index+0x5e/0x80 [ 470.617560][ T10] fib6_nh_init+0x3d8/0x1580 [ 470.617560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 470.617560][ T10] addrconf_f6i_alloc+0x265/0x560 [ 470.617560][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 470.617560][ T10] addrconf_join_anycast+0x1c0/0x220 [ 470.617560][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 470.617560][ T10] addrconf_dad_completed+0x12b/0xe20 [ 470.617560][ T10] addrconf_dad_begin+0x310/0x670 [ 470.617560][ T10] addrconf_dad_work+0x10b/0xab0 [ 470.617560][ T10] process_one_work+0x84d/0x18a0 [ 470.617560][ T10] worker_thread+0x587/0xd30 [ 470.617560][ T10] kthread+0x28a/0x350 [ 470.617560][ T10] ret_from_fork+0x31/0x70 [ 470.617560][ T10] ret_from_fork_asm+0x1a/0x30 [ 470.617560][ T10] [ 470.619723][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 470.619723][ T10] netdev_get_by_index+0x5e/0x80 [ 470.619723][ T10] fib6_nh_init+0x3d8/0x1580 [ 470.619723][ T10] ip6_route_info_create+0xf18/0x17d0 [ 470.619723][ T10] ip6_route_add+0x1c/0x140 [ 470.619723][ T10] addrconf_prefix_route+0x2a6/0x430 [ 470.619723][ T10] inet6_addr_add+0x4f8/0xa40 [ 470.619723][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 470.619723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.619723][ T10] netlink_rcv_skb+0x130/0x360 [ 470.619723][ T10] netlink_unicast+0x449/0x710 [ 470.619723][ T10] netlink_sendmsg+0x723/0xbe0 [ 470.619723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 470.619723][ T10] ___sys_sendmsg+0xee/0x170 [ 470.619723][ T10] __sys_sendmsg+0xcd/0x170 [ 470.619723][ T10] do_syscall_64+0xc6/0x1e0 [ 470.619723][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 470.619723][ T10] [ 470.622703][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 470.622703][ T10] netdev_get_by_index+0x5e/0x80 [ 470.622703][ T10] fib6_nh_init+0x3d8/0x1580 [ 470.622703][ T10] ip6_route_info_create+0xf18/0x17d0 [ 470.622703][ T10] addrconf_f6i_alloc+0x315/0x560 [ 470.622703][ T10] ipv6_add_addr+0x411/0x2000 [ 470.622703][ T10] inet6_addr_add+0x30e/0xa40 [ 470.622703][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 470.622703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.622703][ T10] netlink_rcv_skb+0x130/0x360 [ 470.622703][ T10] netlink_unicast+0x449/0x710 [ 470.622703][ T10] netlink_sendmsg+0x723/0xbe0 [ 470.622703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 470.622703][ T10] ___sys_sendmsg+0xee/0x170 [ 470.622703][ T10] __sys_sendmsg+0xcd/0x170 [ 470.622703][ T10] do_syscall_64+0xc6/0x1e0 [ 470.622703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 470.622703][ T10] [ 470.625824][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 470.625824][ T10] netdev_get_by_index+0x5e/0x80 [ 470.625824][ T10] fib6_nh_init+0x3d8/0x1580 [ 470.625824][ T10] ip6_route_info_create+0xf18/0x17d0 [ 470.625824][ T10] ip6_route_add+0x1c/0x140 [ 470.625824][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 470.625824][ T10] addrconf_add_dev+0xe2/0x170 [ 470.625824][ T10] inet6_addr_add+0x12f/0xa40 [ 470.625824][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 470.625824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.625824][ T10] netlink_rcv_skb+0x130/0x360 [ 470.625824][ T10] netlink_unicast+0x449/0x710 [ 470.625824][ T10] netlink_sendmsg+0x723/0xbe0 [ 470.625824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 470.625824][ T10] ___sys_sendmsg+0xee/0x170 [ 470.625824][ T10] __sys_sendmsg+0xcd/0x170 [ 470.625824][ T10] do_syscall_64+0xc6/0x1e0 [ 470.625824][ T10] [ 470.628873][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 470.628873][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 470.628873][ T10] ipv6_find_idev+0x102/0x170 [ 470.628873][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 470.628873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.628873][ T10] netlink_rcv_skb+0x130/0x360 [ 470.628873][ T10] netlink_unicast+0x449/0x710 [ 470.628873][ T10] netlink_sendmsg+0x723/0xbe0 [ 470.628873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 470.628873][ T10] ___sys_sendmsg+0xee/0x170 [ 470.628873][ T10] __sys_sendmsg+0xcd/0x170 [ 470.628873][ T10] do_syscall_64+0xc6/0x1e0 [ 470.628873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 470.628873][ T10] [ 470.631290][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 470.631290][ T10] neigh_parms_alloc+0x1e5/0x510 [ 470.631290][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 470.631290][ T10] ipv6_find_idev+0x102/0x170 [ 470.631290][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 470.631290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.631290][ T10] netlink_rcv_skb+0x130/0x360 [ 470.631290][ T10] netlink_unicast+0x449/0x710 [ 470.631290][ T10] netlink_sendmsg+0x723/0xbe0 [ 470.631290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 470.631290][ T10] ___sys_sendmsg+0xee/0x170 [ 470.631290][ T10] __sys_sendmsg+0xcd/0x170 [ 470.631290][ T10] do_syscall_64+0xc6/0x1e0 [ 470.631290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 470.631290][ T10] [ 470.633957][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 470.634376][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 470.634376][ T10] netdev_get_by_index+0x5e/0x80 [ 470.634376][ T10] fib6_nh_init+0x3d8/0x1580 [ 470.634376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 470.634376][ T10] addrconf_f6i_alloc+0x265/0x560 [ 470.634376][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 470.634376][ T10] addrconf_join_anycast+0x1c0/0x220 [ 470.634376][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 470.634376][ T10] addrconf_dad_completed+0x12b/0xe20 [ 470.634376][ T10] addrconf_dad_begin+0x310/0x670 [ 470.634376][ T10] addrconf_dad_work+0x10b/0xab0 [ 470.634376][ T10] process_one_work+0x84d/0x18a0 [ 470.634376][ T10] worker_thread+0x587/0xd30 [ 470.634376][ T10] kthread+0x28a/0x350 [ 470.634376][ T10] ret_from_fork+0x31/0x70 [ 470.634376][ T10] ret_from_fork_asm+0x1a/0x30 [ 470.634376][ T10] [ 470.637305][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 470.637305][ T10] netdev_get_by_index+0x5e/0x80 [ 470.637305][ T10] fib6_nh_init+0x3d8/0x1580 [ 470.637305][ T10] ip6_route_info_create+0xf18/0x17d0 [ 470.637305][ T10] ip6_route_add+0x1c/0x140 [ 470.637305][ T10] addrconf_prefix_route+0x2a6/0x430 [ 470.637305][ T10] inet6_addr_add+0x4f8/0xa40 [ 470.637305][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 470.637305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.637305][ T10] netlink_rcv_skb+0x130/0x360 [ 470.637305][ T10] netlink_unicast+0x449/0x710 [ 470.637305][ T10] netlink_sendmsg+0x723/0xbe0 [ 470.637305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 470.637305][ T10] ___sys_sendmsg+0xee/0x170 [ 470.637305][ T10] __sys_sendmsg+0xcd/0x170 [ 470.637305][ T10] do_syscall_64+0xc6/0x1e0 [ 470.637305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 470.637305][ T10] [ 470.640358][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 470.640358][ T10] netdev_get_by_index+0x5e/0x80 [ 470.640358][ T10] fib6_nh_init+0x3d8/0x1580 [ 470.640358][ T10] ip6_route_info_create+0xf18/0x17d0 [ 470.640358][ T10] addrconf_f6i_alloc+0x315/0x560 [ 470.640358][ T10] ipv6_add_addr+0x411/0x2000 [ 470.640358][ T10] inet6_addr_add+0x30e/0xa40 [ 470.640358][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 470.640358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.640358][ T10] netlink_rcv_skb+0x130/0x360 [ 470.640358][ T10] netlink_unicast+0x449/0x710 [ 470.640358][ T10] netlink_sendmsg+0x723/0xbe0 [ 470.640358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 470.640358][ T10] ___sys_sendmsg+0xee/0x170 [ 470.640358][ T10] __sys_sendmsg+0xcd/0x170 [ 470.640358][ T10] do_syscall_64+0xc6/0x1e0 [ 470.640358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 470.640358][ T10] [ 470.643369][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 470.643369][ T10] netdev_get_by_index+0x5e/0x80 [ 470.643369][ T10] fib6_nh_init+0x3d8/0x1580 [ 470.643369][ T10] ip6_route_info_create+0xf18/0x17d0 [ 470.643369][ T10] ip6_route_add+0x1c/0x140 [ 470.643369][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 470.643369][ T10] addrconf_add_dev+0xe2/0x170 [ 470.643369][ T10] inet6_addr_add+0x12f/0xa40 [ 470.643369][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 470.643369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.643369][ T10] netlink_rcv_skb+0x130/0x360 [ 470.643369][ T10] netlink_unicast+0x449/0x710 [ 470.643369][ T10] netlink_sendmsg+0x723/0xbe0 [ 470.643369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 470.643369][ T10] ___sys_sendmsg+0xee/0x170 [ 470.643369][ T10] __sys_sendmsg+0xcd/0x170 [ 470.643369][ T10] do_syscall_64+0xc6/0x1e0 [ 470.643369][ T10] [ 470.646387][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 470.646387][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 470.646387][ T10] ipv6_find_idev+0x102/0x170 [ 470.646387][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 470.646387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.646387][ T10] netlink_rcv_skb+0x130/0x360 [ 470.646387][ T10] netlink_unicast+0x449/0x710 [ 470.646387][ T10] netlink_sendmsg+0x723/0xbe0 [ 470.646387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 470.646387][ T10] ___sys_sendmsg+0xee/0x170 [ 470.646387][ T10] __sys_sendmsg+0xcd/0x170 [ 470.646387][ T10] do_syscall_64+0xc6/0x1e0 [ 470.646387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 470.646387][ T10] [ 470.648653][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 470.648653][ T10] neigh_parms_alloc+0x1e5/0x510 [ 470.648653][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 470.648653][ T10] ipv6_find_idev+0x102/0x170 [ 470.648653][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 470.648653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.648653][ T10] netlink_rcv_skb+0x130/0x360 [ 470.648653][ T10] netlink_unicast+0x449/0x710 [ 470.648653][ T10] netlink_sendmsg+0x723/0xbe0 [ 470.648653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 470.648653][ T10] ___sys_sendmsg+0xee/0x170 [ 470.648653][ T10] __sys_sendmsg+0xcd/0x170 [ 470.648653][ T10] do_syscall_64+0xc6/0x1e0 [ 470.648653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 470.648653][ T10] [ 470.651249][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 470.651641][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 470.651641][ T10] netdev_get_by_index+0x5e/0x80 [ 470.651641][ T10] fib6_nh_init+0x3d8/0x1580 [ 470.651641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 470.651641][ T10] addrconf_f6i_alloc+0x265/0x560 [ 470.651641][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 470.651641][ T10] addrconf_join_anycast+0x1c0/0x220 [ 470.651641][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 470.651641][ T10] addrconf_dad_completed+0x12b/0xe20 [ 470.651641][ T10] addrconf_dad_begin+0x310/0x670 [ 470.651641][ T10] addrconf_dad_work+0x10b/0xab0 [ 470.651641][ T10] process_one_work+0x84d/0x18a0 [ 470.651641][ T10] worker_thread+0x587/0xd30 [ 470.651641][ T10] kthread+0x28a/0x350 [ 470.651641][ T10] ret_from_fork+0x31/0x70 [ 470.651641][ T10] ret_from_fork_asm+0x1a/0x30 [ 470.651641][ T10] [ 470.654601][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 470.654601][ T10] netdev_get_by_index+0x5e/0x80 [ 470.654601][ T10] fib6_nh_init+0x3d8/0x1580 [ 470.654601][ T10] ip6_route_info_create+0xf18/0x17d0 [ 470.654601][ T10] ip6_route_add+0x1c/0x140 [ 470.654601][ T10] addrconf_prefix_route+0x2a6/0x430 [ 470.654601][ T10] inet6_addr_add+0x4f8/0xa40 [ 470.654601][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 470.654601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.654601][ T10] netlink_rcv_skb+0x130/0x360 [ 470.654601][ T10] netlink_unicast+0x449/0x710 [ 470.654601][ T10] netlink_sendmsg+0x723/0xbe0 [ 470.654601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 470.654601][ T10] ___sys_sendmsg+0xee/0x170 [ 470.654601][ T10] __sys_sendmsg+0xcd/0x170 [ 470.654601][ T10] do_syscall_64+0xc6/0x1e0 [ 470.654601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 470.654601][ T10] [ 470.658311][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 470.658311][ T10] netdev_get_by_index+0x5e/0x80 [ 470.658311][ T10] fib6_nh_init+0x3d8/0x1580 [ 470.658311][ T10] ip6_route_info_create+0xf18/0x17d0 [ 470.658311][ T10] addrconf_f6i_alloc+0x315/0x560 [ 470.658311][ T10] ipv6_add_addr+0x411/0x2000 [ 470.658311][ T10] inet6_addr_add+0x30e/0xa40 [ 470.658311][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 470.658311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.658311][ T10] netlink_rcv_skb+0x130/0x360 [ 470.658311][ T10] netlink_unicast+0x449/0x710 [ 470.658311][ T10] netlink_sendmsg+0x723/0xbe0 [ 470.658311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 470.658311][ T10] ___sys_sendmsg+0xee/0x170 [ 470.658311][ T10] __sys_sendmsg+0xcd/0x170 [ 470.658311][ T10] do_syscall_64+0xc6/0x1e0 [ 470.658311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 470.658311][ T10] [ 470.661986][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 470.661986][ T10] netdev_get_by_index+0x5e/0x80 [ 470.661986][ T10] fib6_nh_init+0x3d8/0x1580 [ 470.661986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 470.661986][ T10] ip6_route_add+0x1c/0x140 [ 470.661986][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 470.661986][ T10] addrconf_add_dev+0xe2/0x170 [ 470.661986][ T10] inet6_addr_add+0x12f/0xa40 [ 470.661986][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 470.661986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.661986][ T10] netlink_rcv_skb+0x130/0x360 [ 470.661986][ T10] netlink_unicast+0x449/0x710 [ 470.661986][ T10] netlink_sendmsg+0x723/0xbe0 [ 470.661986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 470.661986][ T10] ___sys_sendmsg+0xee/0x170 [ 470.661986][ T10] __sys_sendmsg+0xcd/0x170 [ 470.661986][ T10] do_syscall_64+0xc6/0x1e0 [ 470.661986][ T10] [ 470.665493][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 470.665493][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 470.665493][ T10] ipv6_find_idev+0x102/0x170 [ 470.665493][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 470.665493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.665493][ T10] netlink_rcv_skb+0x130/0x360 [ 470.665493][ T10] netlink_unicast+0x449/0x710 [ 470.665493][ T10] netlink_sendmsg+0x723/0xbe0 [ 470.665493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 470.665493][ T10] ___sys_sendmsg+0xee/0x170 [ 470.665493][ T10] __sys_sendmsg+0xcd/0x170 [ 470.665493][ T10] do_syscall_64+0xc6/0x1e0 [ 470.665493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 470.665493][ T10] [ 470.668389][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 470.668389][ T10] neigh_parms_alloc+0x1e5/0x510 [ 470.668389][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 470.668389][ T10] ipv6_find_idev+0x102/0x170 [ 470.668389][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 470.668389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.668389][ T10] netlink_rcv_skb+0x130/0x360 [ 470.668389][ T10] netlink_unicast+0x449/0x710 [ 470.668389][ T10] netlink_sendmsg+0x723/0xbe0 [ 470.668389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 470.668389][ T10] ___sys_sendmsg+0xee/0x170 [ 470.668389][ T10] __sys_sendmsg+0xcd/0x170 [ 470.668389][ T10] do_syscall_64+0xc6/0x1e0 [ 470.668389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 470.668389][ T10] [ 470.672318][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 470.672748][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 470.672748][ T10] netdev_get_by_index+0x5e/0x80 [ 470.672748][ T10] fib6_nh_init+0x3d8/0x1580 [ 470.672748][ T10] ip6_route_info_create+0xf18/0x17d0 [ 470.672748][ T10] addrconf_f6i_alloc+0x265/0x560 [ 470.672748][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 470.672748][ T10] addrconf_join_anycast+0x1c0/0x220 [ 470.672748][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 470.672748][ T10] addrconf_dad_completed+0x12b/0xe20 [ 470.672748][ T10] addrconf_dad_begin+0x310/0x670 [ 470.672748][ T10] addrconf_dad_work+0x10b/0xab0 [ 470.672748][ T10] process_one_work+0x84d/0x18a0 [ 470.672748][ T10] worker_thread+0x587/0xd30 [ 470.672748][ T10] kthread+0x28a/0x350 [ 470.672748][ T10] ret_from_fork+0x31/0x70 [ 470.672748][ T10] ret_from_fork_asm+0x1a/0x30 [ 470.672748][ T10] [ 470.675770][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 470.675770][ T10] netdev_get_by_index+0x5e/0x80 [ 470.675770][ T10] fib6_nh_init+0x3d8/0x1580 [ 470.675770][ T10] ip6_route_info_create+0xf18/0x17d0 [ 470.675770][ T10] ip6_route_add+0x1c/0x140 [ 470.675770][ T10] addrconf_prefix_route+0x2a6/0x430 [ 470.675770][ T10] inet6_addr_add+0x4f8/0xa40 [ 470.675770][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 470.675770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.675770][ T10] netlink_rcv_skb+0x130/0x360 [ 470.675770][ T10] netlink_unicast+0x449/0x710 [ 470.675770][ T10] netlink_sendmsg+0x723/0xbe0 [ 470.675770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 470.675770][ T10] ___sys_sendmsg+0xee/0x170 [ 470.675770][ T10] __sys_sendmsg+0xcd/0x170 [ 470.675770][ T10] do_syscall_64+0xc6/0x1e0 [ 470.675770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 470.675770][ T10] [ 470.679130][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 470.679130][ T10] netdev_get_by_index+0x5e/0x80 [ 470.679130][ T10] fib6_nh_init+0x3d8/0x1580 [ 470.679130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 470.679130][ T10] addrconf_f6i_alloc+0x315/0x560 [ 470.679130][ T10] ipv6_add_addr+0x411/0x2000 [ 470.679130][ T10] inet6_addr_add+0x30e/0xa40 [ 470.679130][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 470.679130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.679130][ T10] netlink_rcv_skb+0x130/0x360 [ 470.679130][ T10] netlink_unicast+0x449/0x710 [ 470.679130][ T10] netlink_sendmsg+0x723/0xbe0 [ 470.679130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 470.679130][ T10] ___sys_sendmsg+0xee/0x170 [ 470.679130][ T10] __sys_sendmsg+0xcd/0x170 [ 470.679130][ T10] do_syscall_64+0xc6/0x1e0 [ 470.679130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 470.679130][ T10] [ 470.682960][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 470.682960][ T10] netdev_get_by_index+0x5e/0x80 [ 470.682960][ T10] fib6_nh_init+0x3d8/0x1580 [ 470.682960][ T10] ip6_route_info_create+0xf18/0x17d0 [ 470.682960][ T10] ip6_route_add+0x1c/0x140 [ 470.682960][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 470.682960][ T10] addrconf_add_dev+0xe2/0x170 [ 470.682960][ T10] inet6_addr_add+0x12f/0xa40 [ 470.682960][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 470.682960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.682960][ T10] netlink_rcv_skb+0x130/0x360 [ 470.682960][ T10] netlink_unicast+0x449/0x710 [ 470.682960][ T10] netlink_sendmsg+0x723/0xbe0 [ 470.682960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 470.682960][ T10] ___sys_sendmsg+0xee/0x170 [ 470.682960][ T10] __sys_sendmsg+0xcd/0x170 [ 470.682960][ T10] do_syscall_64+0xc6/0x1e0 [ 470.682960][ T10] [ 470.686512][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 470.686512][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 470.686512][ T10] ipv6_find_idev+0x102/0x170 [ 470.686512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 470.686512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.686512][ T10] netlink_rcv_skb+0x130/0x360 [ 470.686512][ T10] netlink_unicast+0x449/0x710 [ 470.686512][ T10] netlink_sendmsg+0x723/0xbe0 [ 470.686512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 470.686512][ T10] ___sys_sendmsg+0xee/0x170 [ 470.686512][ T10] __sys_sendmsg+0xcd/0x170 [ 470.686512][ T10] do_syscall_64+0xc6/0x1e0 [ 470.686512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 470.686512][ T10] [ 470.689217][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 470.689217][ T10] neigh_parms_alloc+0x1e5/0x510 [ 470.689217][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 470.689217][ T10] ipv6_find_idev+0x102/0x170 [ 470.689217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 470.689217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.689217][ T10] netlink_rcv_skb+0x130/0x360 [ 470.689217][ T10] netlink_unicast+0x449/0x710 [ 470.689217][ T10] netlink_sendmsg+0x723/0xbe0 [ 470.689217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 470.689217][ T10] ___sys_sendmsg+0xee/0x170 [ 470.689217][ T10] __sys_sendmsg+0xcd/0x170 [ 470.689217][ T10] do_syscall_64+0xc6/0x1e0 [ 470.689217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 470.689217][ T10] [ 472.665100][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 472.665580][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 472.665580][ T1167] dst_init+0x84/0x4a0 [ 472.665580][ T1167] dst_alloc+0x97/0x150 [ 472.665580][ T1167] ip6_dst_alloc+0x23/0x90 [ 472.665580][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 472.665580][ T1167] ip6_pol_route+0x56f/0x840 [ 472.665580][ T1167] fib6_rule_lookup+0x334/0x630 [ 472.665580][ T1167] ip6_route_output_flags+0x259/0x480 [ 472.665580][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 472.665580][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 472.665580][ T1167] netlink_rcv_skb+0x130/0x360 [ 472.665580][ T1167] netlink_unicast+0x449/0x710 [ 472.665580][ T1167] netlink_sendmsg+0x723/0xbe0 [ 472.665580][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 472.665580][ T1167] ___sys_sendmsg+0xee/0x170 [ 472.665580][ T1167] __sys_sendmsg+0xcd/0x170 [ 472.665580][ T1167] do_syscall_64+0xc6/0x1e0 [ 472.665580][ T1167] [ 472.667843][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 472.667843][ T1167] netdev_get_by_index+0x5e/0x80 [ 472.667843][ T1167] fib6_nh_init+0x3d8/0x1580 [ 472.667843][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 472.667843][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 472.667843][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 472.667843][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 472.667843][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 472.667843][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 472.667843][ T1167] addrconf_dad_begin+0x310/0x670 [ 472.667843][ T1167] addrconf_dad_work+0x10b/0xab0 [ 472.667843][ T1167] process_one_work+0x84d/0x18a0 [ 472.667843][ T1167] worker_thread+0x587/0xd30 [ 472.667843][ T1167] kthread+0x28a/0x350 [ 472.667843][ T1167] ret_from_fork+0x31/0x70 [ 472.667843][ T1167] ret_from_fork_asm+0x1a/0x30 [ 472.667843][ T1167] [ 472.670022][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 472.670022][ T1167] netdev_get_by_index+0x5e/0x80 [ 472.670022][ T1167] fib6_nh_init+0x3d8/0x1580 [ 472.670022][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 472.670022][ T1167] ip6_route_add+0x1c/0x140 [ 472.670022][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 472.670022][ T1167] inet6_addr_add+0x4f8/0xa40 [ 472.670022][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 472.670022][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.670022][ T1167] netlink_rcv_skb+0x130/0x360 [ 472.670022][ T1167] netlink_unicast+0x449/0x710 [ 472.670022][ T1167] netlink_sendmsg+0x723/0xbe0 [ 472.670022][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 472.670022][ T1167] ___sys_sendmsg+0xee/0x170 [ 472.670022][ T1167] __sys_sendmsg+0xcd/0x170 [ 472.670022][ T1167] do_syscall_64+0xc6/0x1e0 [ 472.670022][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.670022][ T1167] [ 472.672327][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 472.672327][ T1167] netdev_get_by_index+0x5e/0x80 [ 472.672327][ T1167] fib6_nh_init+0x3d8/0x1580 [ 472.672327][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 472.672327][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 472.672327][ T1167] ipv6_add_addr+0x411/0x2000 [ 472.672327][ T1167] inet6_addr_add+0x30e/0xa40 [ 472.672327][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 472.672327][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.672327][ T1167] netlink_rcv_skb+0x130/0x360 [ 472.672327][ T1167] netlink_unicast+0x449/0x710 [ 472.672327][ T1167] netlink_sendmsg+0x723/0xbe0 [ 472.672327][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 472.672327][ T1167] ___sys_sendmsg+0xee/0x170 [ 472.672327][ T1167] __sys_sendmsg+0xcd/0x170 [ 472.672327][ T1167] do_syscall_64+0xc6/0x1e0 [ 472.672327][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.672327][ T1167] [ 472.674617][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 472.674617][ T1167] netdev_get_by_index+0x5e/0x80 [ 472.674617][ T1167] fib6_nh_init+0x3d8/0x1580 [ 472.674617][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 472.674617][ T1167] ip6_route_add+0x1c/0x140 [ 472.674617][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 472.674617][ T1167] addrconf_add_dev+0xe2/0x170 [ 472.674617][ T1167] inet6_addr_add+0x12f/0xa40 [ 472.674617][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 472.674617][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.674617][ T1167] netlink_rcv_skb+0x130/0x360 [ 472.674617][ T1167] netlink_unicast+0x449/0x710 [ 472.674617][ T1167] netlink_sendmsg+0x723/0xbe0 [ 472.674617][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 472.674617][ T1167] ___sys_sendmsg+0xee/0x170 [ 472.674617][ T1167] __sys_sendmsg+0xcd/0x170 [ 472.674617][ T1167] do_syscall_64+0xc6/0x1e0 [ 472.674617][ T1167] [ 472.676856][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 472.676856][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 472.676856][ T1167] ipv6_find_idev+0x102/0x170 [ 472.676856][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 472.676856][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.676856][ T1167] netlink_rcv_skb+0x130/0x360 [ 472.676856][ T1167] netlink_unicast+0x449/0x710 [ 472.676856][ T1167] netlink_sendmsg+0x723/0xbe0 [ 472.676856][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 472.676856][ T1167] ___sys_sendmsg+0xee/0x170 [ 472.676856][ T1167] __sys_sendmsg+0xcd/0x170 [ 472.676856][ T1167] do_syscall_64+0xc6/0x1e0 [ 472.676856][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.676856][ T1167] [ 472.678630][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 472.678630][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 472.678630][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 472.678630][ T1167] ipv6_find_idev+0x102/0x170 [ 472.678630][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 472.678630][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.678630][ T1167] netlink_rcv_skb+0x130/0x360 [ 472.678630][ T1167] netlink_unicast+0x449/0x710 [ 472.678630][ T1167] netlink_sendmsg+0x723/0xbe0 [ 472.678630][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 472.678630][ T1167] ___sys_sendmsg+0xee/0x170 [ 472.678630][ T1167] __sys_sendmsg+0xcd/0x170 [ 472.678630][ T1167] do_syscall_64+0xc6/0x1e0 [ 472.678630][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.678630][ T1167] [ 480.921124][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 480.921572][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 480.921572][ T10] netdev_get_by_index+0x5e/0x80 [ 480.921572][ T10] fib6_nh_init+0x3d8/0x1580 [ 480.921572][ T10] ip6_route_info_create+0xf18/0x17d0 [ 480.921572][ T10] addrconf_f6i_alloc+0x265/0x560 [ 480.921572][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 480.921572][ T10] addrconf_join_anycast+0x1c0/0x220 [ 480.921572][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 480.921572][ T10] addrconf_dad_completed+0x12b/0xe20 [ 480.921572][ T10] addrconf_dad_begin+0x310/0x670 [ 480.921572][ T10] addrconf_dad_work+0x10b/0xab0 [ 480.921572][ T10] process_one_work+0x84d/0x18a0 [ 480.921572][ T10] worker_thread+0x587/0xd30 [ 480.921572][ T10] kthread+0x28a/0x350 [ 480.921572][ T10] ret_from_fork+0x31/0x70 [ 480.921572][ T10] ret_from_fork_asm+0x1a/0x30 [ 480.921572][ T10] [ 480.923519][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 480.923519][ T10] netdev_get_by_index+0x5e/0x80 [ 480.923519][ T10] fib6_nh_init+0x3d8/0x1580 [ 480.923519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 480.923519][ T10] ip6_route_add+0x1c/0x140 [ 480.923519][ T10] addrconf_prefix_route+0x2a6/0x430 [ 480.923519][ T10] inet6_addr_add+0x4f8/0xa40 [ 480.923519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 480.923519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.923519][ T10] netlink_rcv_skb+0x130/0x360 [ 480.923519][ T10] netlink_unicast+0x449/0x710 [ 480.923519][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.923519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.923519][ T10] ___sys_sendmsg+0xee/0x170 [ 480.923519][ T10] __sys_sendmsg+0xcd/0x170 [ 480.923519][ T10] do_syscall_64+0xc6/0x1e0 [ 480.923519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.923519][ T10] [ 480.925597][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 480.925597][ T10] netdev_get_by_index+0x5e/0x80 [ 480.925597][ T10] fib6_nh_init+0x3d8/0x1580 [ 480.925597][ T10] ip6_route_info_create+0xf18/0x17d0 [ 480.925597][ T10] addrconf_f6i_alloc+0x315/0x560 [ 480.925597][ T10] ipv6_add_addr+0x411/0x2000 [ 480.925597][ T10] inet6_addr_add+0x30e/0xa40 [ 480.925597][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 480.925597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.925597][ T10] netlink_rcv_skb+0x130/0x360 [ 480.925597][ T10] netlink_unicast+0x449/0x710 [ 480.925597][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.925597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.925597][ T10] ___sys_sendmsg+0xee/0x170 [ 480.925597][ T10] __sys_sendmsg+0xcd/0x170 [ 480.925597][ T10] do_syscall_64+0xc6/0x1e0 [ 480.925597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.925597][ T10] [ 480.927618][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 480.927618][ T10] netdev_get_by_index+0x5e/0x80 [ 480.927618][ T10] fib6_nh_init+0x3d8/0x1580 [ 480.927618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 480.927618][ T10] ip6_route_add+0x1c/0x140 [ 480.927618][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 480.927618][ T10] addrconf_add_dev+0xe2/0x170 [ 480.927618][ T10] inet6_addr_add+0x12f/0xa40 [ 480.927618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 480.927618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.927618][ T10] netlink_rcv_skb+0x130/0x360 [ 480.927618][ T10] netlink_unicast+0x449/0x710 [ 480.927618][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.927618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.927618][ T10] ___sys_sendmsg+0xee/0x170 [ 480.927618][ T10] __sys_sendmsg+0xcd/0x170 [ 480.927618][ T10] do_syscall_64+0xc6/0x1e0 [ 480.927618][ T10] [ 480.929579][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 480.929579][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 480.929579][ T10] ipv6_find_idev+0x102/0x170 [ 480.929579][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 480.929579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.929579][ T10] netlink_rcv_skb+0x130/0x360 [ 480.929579][ T10] netlink_unicast+0x449/0x710 [ 480.929579][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.929579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.929579][ T10] ___sys_sendmsg+0xee/0x170 [ 480.929579][ T10] __sys_sendmsg+0xcd/0x170 [ 480.929579][ T10] do_syscall_64+0xc6/0x1e0 [ 480.929579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.929579][ T10] [ 480.931113][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 480.931113][ T10] neigh_parms_alloc+0x1e5/0x510 [ 480.931113][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 480.931113][ T10] ipv6_find_idev+0x102/0x170 [ 480.931113][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 480.931113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.931113][ T10] netlink_rcv_skb+0x130/0x360 [ 480.931113][ T10] netlink_unicast+0x449/0x710 [ 480.931113][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.931113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.931113][ T10] ___sys_sendmsg+0xee/0x170 [ 480.931113][ T10] __sys_sendmsg+0xcd/0x170 [ 480.931113][ T10] do_syscall_64+0xc6/0x1e0 [ 480.931113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.931113][ T10] [ 480.932811][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 480.933077][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 480.933077][ T10] netdev_get_by_index+0x5e/0x80 [ 480.933077][ T10] fib6_nh_init+0x3d8/0x1580 [ 480.933077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 480.933077][ T10] addrconf_f6i_alloc+0x265/0x560 [ 480.933077][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 480.933077][ T10] addrconf_join_anycast+0x1c0/0x220 [ 480.933077][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 480.933077][ T10] addrconf_dad_completed+0x12b/0xe20 [ 480.933077][ T10] addrconf_dad_begin+0x310/0x670 [ 480.933077][ T10] addrconf_dad_work+0x10b/0xab0 [ 480.933077][ T10] process_one_work+0x84d/0x18a0 [ 480.933077][ T10] worker_thread+0x587/0xd30 [ 480.933077][ T10] kthread+0x28a/0x350 [ 480.933077][ T10] ret_from_fork+0x31/0x70 [ 480.933077][ T10] ret_from_fork_asm+0x1a/0x30 [ 480.933077][ T10] [ 480.934983][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 480.934983][ T10] netdev_get_by_index+0x5e/0x80 [ 480.934983][ T10] fib6_nh_init+0x3d8/0x1580 [ 480.934983][ T10] ip6_route_info_create+0xf18/0x17d0 [ 480.934983][ T10] ip6_route_add+0x1c/0x140 [ 480.934983][ T10] addrconf_prefix_route+0x2a6/0x430 [ 480.934983][ T10] inet6_addr_add+0x4f8/0xa40 [ 480.934983][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 480.934983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.934983][ T10] netlink_rcv_skb+0x130/0x360 [ 480.934983][ T10] netlink_unicast+0x449/0x710 [ 480.934983][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.934983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.934983][ T10] ___sys_sendmsg+0xee/0x170 [ 480.934983][ T10] __sys_sendmsg+0xcd/0x170 [ 480.934983][ T10] do_syscall_64+0xc6/0x1e0 [ 480.934983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.934983][ T10] [ 480.937034][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 480.937034][ T10] netdev_get_by_index+0x5e/0x80 [ 480.937034][ T10] fib6_nh_init+0x3d8/0x1580 [ 480.937034][ T10] ip6_route_info_create+0xf18/0x17d0 [ 480.937034][ T10] addrconf_f6i_alloc+0x315/0x560 [ 480.937034][ T10] ipv6_add_addr+0x411/0x2000 [ 480.937034][ T10] inet6_addr_add+0x30e/0xa40 [ 480.937034][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 480.937034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.937034][ T10] netlink_rcv_skb+0x130/0x360 [ 480.937034][ T10] netlink_unicast+0x449/0x710 [ 480.937034][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.937034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.937034][ T10] ___sys_sendmsg+0xee/0x170 [ 480.937034][ T10] __sys_sendmsg+0xcd/0x170 [ 480.937034][ T10] do_syscall_64+0xc6/0x1e0 [ 480.937034][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.937034][ T10] [ 480.939050][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 480.939050][ T10] netdev_get_by_index+0x5e/0x80 [ 480.939050][ T10] fib6_nh_init+0x3d8/0x1580 [ 480.939050][ T10] ip6_route_info_create+0xf18/0x17d0 [ 480.939050][ T10] ip6_route_add+0x1c/0x140 [ 480.939050][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 480.939050][ T10] addrconf_add_dev+0xe2/0x170 [ 480.939050][ T10] inet6_addr_add+0x12f/0xa40 [ 480.939050][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 480.939050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.939050][ T10] netlink_rcv_skb+0x130/0x360 [ 480.939050][ T10] netlink_unicast+0x449/0x710 [ 480.939050][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.939050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.939050][ T10] ___sys_sendmsg+0xee/0x170 [ 480.939050][ T10] __sys_sendmsg+0xcd/0x170 [ 480.939050][ T10] do_syscall_64+0xc6/0x1e0 [ 480.939050][ T10] [ 480.941062][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 480.941062][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 480.941062][ T10] ipv6_find_idev+0x102/0x170 [ 480.941062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 480.941062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.941062][ T10] netlink_rcv_skb+0x130/0x360 [ 480.941062][ T10] netlink_unicast+0x449/0x710 [ 480.941062][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.941062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.941062][ T10] ___sys_sendmsg+0xee/0x170 [ 480.941062][ T10] __sys_sendmsg+0xcd/0x170 [ 480.941062][ T10] do_syscall_64+0xc6/0x1e0 [ 480.941062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.941062][ T10] [ 480.942620][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 480.942620][ T10] neigh_parms_alloc+0x1e5/0x510 [ 480.942620][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 480.942620][ T10] ipv6_find_idev+0x102/0x170 [ 480.942620][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 480.942620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.942620][ T10] netlink_rcv_skb+0x130/0x360 [ 480.942620][ T10] netlink_unicast+0x449/0x710 [ 480.942620][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.942620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.942620][ T10] ___sys_sendmsg+0xee/0x170 [ 480.942620][ T10] __sys_sendmsg+0xcd/0x170 [ 480.942620][ T10] do_syscall_64+0xc6/0x1e0 [ 480.942620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.942620][ T10] [ 480.944352][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 480.944641][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 480.944641][ T10] netdev_get_by_index+0x5e/0x80 [ 480.944641][ T10] fib6_nh_init+0x3d8/0x1580 [ 480.944641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 480.944641][ T10] addrconf_f6i_alloc+0x265/0x560 [ 480.944641][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 480.944641][ T10] addrconf_join_anycast+0x1c0/0x220 [ 480.944641][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 480.944641][ T10] addrconf_dad_completed+0x12b/0xe20 [ 480.944641][ T10] addrconf_dad_begin+0x310/0x670 [ 480.944641][ T10] addrconf_dad_work+0x10b/0xab0 [ 480.944641][ T10] process_one_work+0x84d/0x18a0 [ 480.944641][ T10] worker_thread+0x587/0xd30 [ 480.944641][ T10] kthread+0x28a/0x350 [ 480.944641][ T10] ret_from_fork+0x31/0x70 [ 480.944641][ T10] ret_from_fork_asm+0x1a/0x30 [ 480.944641][ T10] [ 480.946633][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 480.946633][ T10] netdev_get_by_index+0x5e/0x80 [ 480.946633][ T10] fib6_nh_init+0x3d8/0x1580 [ 480.946633][ T10] ip6_route_info_create+0xf18/0x17d0 [ 480.946633][ T10] ip6_route_add+0x1c/0x140 [ 480.946633][ T10] addrconf_prefix_route+0x2a6/0x430 [ 480.946633][ T10] inet6_addr_add+0x4f8/0xa40 [ 480.946633][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 480.946633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.946633][ T10] netlink_rcv_skb+0x130/0x360 [ 480.946633][ T10] netlink_unicast+0x449/0x710 [ 480.946633][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.946633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.946633][ T10] ___sys_sendmsg+0xee/0x170 [ 480.946633][ T10] __sys_sendmsg+0xcd/0x170 [ 480.946633][ T10] do_syscall_64+0xc6/0x1e0 [ 480.946633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.946633][ T10] [ 480.949066][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 480.949066][ T10] netdev_get_by_index+0x5e/0x80 [ 480.949066][ T10] fib6_nh_init+0x3d8/0x1580 [ 480.949066][ T10] ip6_route_info_create+0xf18/0x17d0 [ 480.949066][ T10] addrconf_f6i_alloc+0x315/0x560 [ 480.949066][ T10] ipv6_add_addr+0x411/0x2000 [ 480.949066][ T10] inet6_addr_add+0x30e/0xa40 [ 480.949066][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 480.949066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.949066][ T10] netlink_rcv_skb+0x130/0x360 [ 480.949066][ T10] netlink_unicast+0x449/0x710 [ 480.949066][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.949066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.949066][ T10] ___sys_sendmsg+0xee/0x170 [ 480.949066][ T10] __sys_sendmsg+0xcd/0x170 [ 480.949066][ T10] do_syscall_64+0xc6/0x1e0 [ 480.949066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.949066][ T10] [ 480.951446][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 480.951446][ T10] netdev_get_by_index+0x5e/0x80 [ 480.951446][ T10] fib6_nh_init+0x3d8/0x1580 [ 480.951446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 480.951446][ T10] ip6_route_add+0x1c/0x140 [ 480.951446][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 480.951446][ T10] addrconf_add_dev+0xe2/0x170 [ 480.951446][ T10] inet6_addr_add+0x12f/0xa40 [ 480.951446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 480.951446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.951446][ T10] netlink_rcv_skb+0x130/0x360 [ 480.951446][ T10] netlink_unicast+0x449/0x710 [ 480.951446][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.951446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.951446][ T10] ___sys_sendmsg+0xee/0x170 [ 480.951446][ T10] __sys_sendmsg+0xcd/0x170 [ 480.951446][ T10] do_syscall_64+0xc6/0x1e0 [ 480.951446][ T10] [ 480.953612][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 480.953612][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 480.953612][ T10] ipv6_find_idev+0x102/0x170 [ 480.953612][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 480.953612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.953612][ T10] netlink_rcv_skb+0x130/0x360 [ 480.953612][ T10] netlink_unicast+0x449/0x710 [ 480.953612][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.953612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.953612][ T10] ___sys_sendmsg+0xee/0x170 [ 480.953612][ T10] __sys_sendmsg+0xcd/0x170 [ 480.953612][ T10] do_syscall_64+0xc6/0x1e0 [ 480.953612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.953612][ T10] [ 480.955355][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 480.955355][ T10] neigh_parms_alloc+0x1e5/0x510 [ 480.955355][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 480.955355][ T10] ipv6_find_idev+0x102/0x170 [ 480.955355][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 480.955355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.955355][ T10] netlink_rcv_skb+0x130/0x360 [ 480.955355][ T10] netlink_unicast+0x449/0x710 [ 480.955355][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.955355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.955355][ T10] ___sys_sendmsg+0xee/0x170 [ 480.955355][ T10] __sys_sendmsg+0xcd/0x170 [ 480.955355][ T10] do_syscall_64+0xc6/0x1e0 [ 480.955355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.955355][ T10] [ 480.957331][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 480.957579][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 480.957579][ T10] netdev_get_by_index+0x5e/0x80 [ 480.957579][ T10] fib6_nh_init+0x3d8/0x1580 [ 480.957579][ T10] ip6_route_info_create+0xf18/0x17d0 [ 480.957579][ T10] addrconf_f6i_alloc+0x265/0x560 [ 480.957579][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 480.957579][ T10] addrconf_join_anycast+0x1c0/0x220 [ 480.957579][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 480.957579][ T10] addrconf_dad_completed+0x12b/0xe20 [ 480.957579][ T10] addrconf_dad_begin+0x310/0x670 [ 480.957579][ T10] addrconf_dad_work+0x10b/0xab0 [ 480.957579][ T10] process_one_work+0x84d/0x18a0 [ 480.957579][ T10] worker_thread+0x587/0xd30 [ 480.957579][ T10] kthread+0x28a/0x350 [ 480.957579][ T10] ret_from_fork+0x31/0x70 [ 480.957579][ T10] ret_from_fork_asm+0x1a/0x30 [ 480.957579][ T10] [ 480.959820][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 480.959820][ T10] netdev_get_by_index+0x5e/0x80 [ 480.959820][ T10] fib6_nh_init+0x3d8/0x1580 [ 480.959820][ T10] ip6_route_info_create+0xf18/0x17d0 [ 480.959820][ T10] ip6_route_add+0x1c/0x140 [ 480.959820][ T10] addrconf_prefix_route+0x2a6/0x430 [ 480.959820][ T10] inet6_addr_add+0x4f8/0xa40 [ 480.959820][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 480.959820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.959820][ T10] netlink_rcv_skb+0x130/0x360 [ 480.959820][ T10] netlink_unicast+0x449/0x710 [ 480.959820][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.959820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.959820][ T10] ___sys_sendmsg+0xee/0x170 [ 480.959820][ T10] __sys_sendmsg+0xcd/0x170 [ 480.959820][ T10] do_syscall_64+0xc6/0x1e0 [ 480.959820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.959820][ T10] [ 480.961990][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 480.961990][ T10] netdev_get_by_index+0x5e/0x80 [ 480.961990][ T10] fib6_nh_init+0x3d8/0x1580 [ 480.961990][ T10] ip6_route_info_create+0xf18/0x17d0 [ 480.961990][ T10] addrconf_f6i_alloc+0x315/0x560 [ 480.961990][ T10] ipv6_add_addr+0x411/0x2000 [ 480.961990][ T10] inet6_addr_add+0x30e/0xa40 [ 480.961990][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 480.961990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.961990][ T10] netlink_rcv_skb+0x130/0x360 [ 480.961990][ T10] netlink_unicast+0x449/0x710 [ 480.961990][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.961990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.961990][ T10] ___sys_sendmsg+0xee/0x170 [ 480.961990][ T10] __sys_sendmsg+0xcd/0x170 [ 480.961990][ T10] do_syscall_64+0xc6/0x1e0 [ 480.961990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.961990][ T10] [ 480.964214][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 480.964214][ T10] netdev_get_by_index+0x5e/0x80 [ 480.964214][ T10] fib6_nh_init+0x3d8/0x1580 [ 480.964214][ T10] ip6_route_info_create+0xf18/0x17d0 [ 480.964214][ T10] ip6_route_add+0x1c/0x140 [ 480.964214][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 480.964214][ T10] addrconf_add_dev+0xe2/0x170 [ 480.964214][ T10] inet6_addr_add+0x12f/0xa40 [ 480.964214][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 480.964214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.964214][ T10] netlink_rcv_skb+0x130/0x360 [ 480.964214][ T10] netlink_unicast+0x449/0x710 [ 480.964214][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.964214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.964214][ T10] ___sys_sendmsg+0xee/0x170 [ 480.964214][ T10] __sys_sendmsg+0xcd/0x170 [ 480.964214][ T10] do_syscall_64+0xc6/0x1e0 [ 480.964214][ T10] [ 480.966411][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 480.966411][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 480.966411][ T10] ipv6_find_idev+0x102/0x170 [ 480.966411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 480.966411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.966411][ T10] netlink_rcv_skb+0x130/0x360 [ 480.966411][ T10] netlink_unicast+0x449/0x710 [ 480.966411][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.966411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.966411][ T10] ___sys_sendmsg+0xee/0x170 [ 480.966411][ T10] __sys_sendmsg+0xcd/0x170 [ 480.966411][ T10] do_syscall_64+0xc6/0x1e0 [ 480.966411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.966411][ T10] [ 480.968350][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 480.968350][ T10] neigh_parms_alloc+0x1e5/0x510 [ 480.968350][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 480.968350][ T10] ipv6_find_idev+0x102/0x170 [ 480.968350][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 480.968350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 480.968350][ T10] netlink_rcv_skb+0x130/0x360 [ 480.968350][ T10] netlink_unicast+0x449/0x710 [ 480.968350][ T10] netlink_sendmsg+0x723/0xbe0 [ 480.968350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 480.968350][ T10] ___sys_sendmsg+0xee/0x170 [ 480.968350][ T10] __sys_sendmsg+0xcd/0x170 [ 480.968350][ T10] do_syscall_64+0xc6/0x1e0 [ 480.968350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 480.968350][ T10] [ 482.713104][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 482.713583][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 482.713583][ T1167] dst_init+0x84/0x4a0 [ 482.713583][ T1167] dst_alloc+0x97/0x150 [ 482.713583][ T1167] ip6_dst_alloc+0x23/0x90 [ 482.713583][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 482.713583][ T1167] ip6_pol_route+0x56f/0x840 [ 482.713583][ T1167] fib6_rule_lookup+0x334/0x630 [ 482.713583][ T1167] ip6_route_output_flags+0x259/0x480 [ 482.713583][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 482.713583][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 482.713583][ T1167] netlink_rcv_skb+0x130/0x360 [ 482.713583][ T1167] netlink_unicast+0x449/0x710 [ 482.713583][ T1167] netlink_sendmsg+0x723/0xbe0 [ 482.713583][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 482.713583][ T1167] ___sys_sendmsg+0xee/0x170 [ 482.713583][ T1167] __sys_sendmsg+0xcd/0x170 [ 482.713583][ T1167] do_syscall_64+0xc6/0x1e0 [ 482.713583][ T1167] [ 482.715820][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 482.715820][ T1167] netdev_get_by_index+0x5e/0x80 [ 482.715820][ T1167] fib6_nh_init+0x3d8/0x1580 [ 482.715820][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 482.715820][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 482.715820][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 482.715820][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 482.715820][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 482.715820][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 482.715820][ T1167] addrconf_dad_begin+0x310/0x670 [ 482.715820][ T1167] addrconf_dad_work+0x10b/0xab0 [ 482.715820][ T1167] process_one_work+0x84d/0x18a0 [ 482.715820][ T1167] worker_thread+0x587/0xd30 [ 482.715820][ T1167] kthread+0x28a/0x350 [ 482.715820][ T1167] ret_from_fork+0x31/0x70 [ 482.715820][ T1167] ret_from_fork_asm+0x1a/0x30 [ 482.715820][ T1167] [ 482.718836][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 482.718836][ T1167] netdev_get_by_index+0x5e/0x80 [ 482.718836][ T1167] fib6_nh_init+0x3d8/0x1580 [ 482.718836][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 482.718836][ T1167] ip6_route_add+0x1c/0x140 [ 482.718836][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 482.718836][ T1167] inet6_addr_add+0x4f8/0xa40 [ 482.718836][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 482.718836][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.718836][ T1167] netlink_rcv_skb+0x130/0x360 [ 482.718836][ T1167] netlink_unicast+0x449/0x710 [ 482.718836][ T1167] netlink_sendmsg+0x723/0xbe0 [ 482.718836][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 482.718836][ T1167] ___sys_sendmsg+0xee/0x170 [ 482.718836][ T1167] __sys_sendmsg+0xcd/0x170 [ 482.718836][ T1167] do_syscall_64+0xc6/0x1e0 [ 482.718836][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.718836][ T1167] [ 482.722451][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 482.722451][ T1167] netdev_get_by_index+0x5e/0x80 [ 482.722451][ T1167] fib6_nh_init+0x3d8/0x1580 [ 482.722451][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 482.722451][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 482.722451][ T1167] ipv6_add_addr+0x411/0x2000 [ 482.722451][ T1167] inet6_addr_add+0x30e/0xa40 [ 482.722451][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 482.722451][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.722451][ T1167] netlink_rcv_skb+0x130/0x360 [ 482.722451][ T1167] netlink_unicast+0x449/0x710 [ 482.722451][ T1167] netlink_sendmsg+0x723/0xbe0 [ 482.722451][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 482.722451][ T1167] ___sys_sendmsg+0xee/0x170 [ 482.722451][ T1167] __sys_sendmsg+0xcd/0x170 [ 482.722451][ T1167] do_syscall_64+0xc6/0x1e0 [ 482.722451][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.722451][ T1167] [ 482.726070][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 482.726070][ T1167] netdev_get_by_index+0x5e/0x80 [ 482.726070][ T1167] fib6_nh_init+0x3d8/0x1580 [ 482.726070][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 482.726070][ T1167] ip6_route_add+0x1c/0x140 [ 482.726070][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 482.726070][ T1167] addrconf_add_dev+0xe2/0x170 [ 482.726070][ T1167] inet6_addr_add+0x12f/0xa40 [ 482.726070][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 482.726070][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.726070][ T1167] netlink_rcv_skb+0x130/0x360 [ 482.726070][ T1167] netlink_unicast+0x449/0x710 [ 482.726070][ T1167] netlink_sendmsg+0x723/0xbe0 [ 482.726070][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 482.726070][ T1167] ___sys_sendmsg+0xee/0x170 [ 482.726070][ T1167] __sys_sendmsg+0xcd/0x170 [ 482.726070][ T1167] do_syscall_64+0xc6/0x1e0 [ 482.726070][ T1167] [ 482.729673][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 482.729673][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 482.729673][ T1167] ipv6_find_idev+0x102/0x170 [ 482.729673][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 482.729673][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.729673][ T1167] netlink_rcv_skb+0x130/0x360 [ 482.729673][ T1167] netlink_unicast+0x449/0x710 [ 482.729673][ T1167] netlink_sendmsg+0x723/0xbe0 [ 482.729673][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 482.729673][ T1167] ___sys_sendmsg+0xee/0x170 [ 482.729673][ T1167] __sys_sendmsg+0xcd/0x170 [ 482.729673][ T1167] do_syscall_64+0xc6/0x1e0 [ 482.729673][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.729673][ T1167] [ 482.732301][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 482.732301][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 482.732301][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 482.732301][ T1167] ipv6_find_idev+0x102/0x170 [ 482.732301][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 482.732301][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.732301][ T1167] netlink_rcv_skb+0x130/0x360 [ 482.732301][ T1167] netlink_unicast+0x449/0x710 [ 482.732301][ T1167] netlink_sendmsg+0x723/0xbe0 [ 482.732301][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 482.732301][ T1167] ___sys_sendmsg+0xee/0x170 [ 482.732301][ T1167] __sys_sendmsg+0xcd/0x170 [ 482.732301][ T1167] do_syscall_64+0xc6/0x1e0 [ 482.732301][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.732301][ T1167] [ 490.993090][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 490.993489][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 490.993489][ T10] netdev_get_by_index+0x5e/0x80 [ 490.993489][ T10] fib6_nh_init+0x3d8/0x1580 [ 490.993489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 490.993489][ T10] addrconf_f6i_alloc+0x265/0x560 [ 490.993489][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 490.993489][ T10] addrconf_join_anycast+0x1c0/0x220 [ 490.993489][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 490.993489][ T10] addrconf_dad_completed+0x12b/0xe20 [ 490.993489][ T10] addrconf_dad_begin+0x310/0x670 [ 490.993489][ T10] addrconf_dad_work+0x10b/0xab0 [ 490.993489][ T10] process_one_work+0x84d/0x18a0 [ 490.993489][ T10] worker_thread+0x587/0xd30 [ 490.993489][ T10] kthread+0x28a/0x350 [ 490.993489][ T10] ret_from_fork+0x31/0x70 [ 490.993489][ T10] ret_from_fork_asm+0x1a/0x30 [ 490.993489][ T10] [ 490.995619][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 490.995619][ T10] netdev_get_by_index+0x5e/0x80 [ 490.995619][ T10] fib6_nh_init+0x3d8/0x1580 [ 490.995619][ T10] ip6_route_info_create+0xf18/0x17d0 [ 490.995619][ T10] ip6_route_add+0x1c/0x140 [ 490.995619][ T10] addrconf_prefix_route+0x2a6/0x430 [ 490.995619][ T10] inet6_addr_add+0x4f8/0xa40 [ 490.995619][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 490.995619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 490.995619][ T10] netlink_rcv_skb+0x130/0x360 [ 490.995619][ T10] netlink_unicast+0x449/0x710 [ 490.995619][ T10] netlink_sendmsg+0x723/0xbe0 [ 490.995619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 490.995619][ T10] ___sys_sendmsg+0xee/0x170 [ 490.995619][ T10] __sys_sendmsg+0xcd/0x170 [ 490.995619][ T10] do_syscall_64+0xc6/0x1e0 [ 490.995619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 490.995619][ T10] [ 490.997801][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 490.997801][ T10] netdev_get_by_index+0x5e/0x80 [ 490.997801][ T10] fib6_nh_init+0x3d8/0x1580 [ 490.997801][ T10] ip6_route_info_create+0xf18/0x17d0 [ 490.997801][ T10] addrconf_f6i_alloc+0x315/0x560 [ 490.997801][ T10] ipv6_add_addr+0x411/0x2000 [ 490.997801][ T10] inet6_addr_add+0x30e/0xa40 [ 490.997801][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 490.997801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 490.997801][ T10] netlink_rcv_skb+0x130/0x360 [ 490.997801][ T10] netlink_unicast+0x449/0x710 [ 490.997801][ T10] netlink_sendmsg+0x723/0xbe0 [ 490.997801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 490.997801][ T10] ___sys_sendmsg+0xee/0x170 [ 490.997801][ T10] __sys_sendmsg+0xcd/0x170 [ 490.997801][ T10] do_syscall_64+0xc6/0x1e0 [ 490.997801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 490.997801][ T10] [ 490.999847][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 490.999847][ T10] netdev_get_by_index+0x5e/0x80 [ 490.999847][ T10] fib6_nh_init+0x3d8/0x1580 [ 490.999847][ T10] ip6_route_info_create+0xf18/0x17d0 [ 490.999847][ T10] ip6_route_add+0x1c/0x140 [ 490.999847][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 490.999847][ T10] addrconf_add_dev+0xe2/0x170 [ 490.999847][ T10] inet6_addr_add+0x12f/0xa40 [ 490.999847][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 490.999847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 490.999847][ T10] netlink_rcv_skb+0x130/0x360 [ 490.999847][ T10] netlink_unicast+0x449/0x710 [ 490.999847][ T10] netlink_sendmsg+0x723/0xbe0 [ 490.999847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 490.999847][ T10] ___sys_sendmsg+0xee/0x170 [ 490.999847][ T10] __sys_sendmsg+0xcd/0x170 [ 490.999847][ T10] do_syscall_64+0xc6/0x1e0 [ 490.999847][ T10] [ 491.001856][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 491.001856][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 491.001856][ T10] ipv6_find_idev+0x102/0x170 [ 491.001856][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 491.001856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.001856][ T10] netlink_rcv_skb+0x130/0x360 [ 491.001856][ T10] netlink_unicast+0x449/0x710 [ 491.001856][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.001856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.001856][ T10] ___sys_sendmsg+0xee/0x170 [ 491.001856][ T10] __sys_sendmsg+0xcd/0x170 [ 491.001856][ T10] do_syscall_64+0xc6/0x1e0 [ 491.001856][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.001856][ T10] [ 491.003439][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 491.003439][ T10] neigh_parms_alloc+0x1e5/0x510 [ 491.003439][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 491.003439][ T10] ipv6_find_idev+0x102/0x170 [ 491.003439][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 491.003439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.003439][ T10] netlink_rcv_skb+0x130/0x360 [ 491.003439][ T10] netlink_unicast+0x449/0x710 [ 491.003439][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.003439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.003439][ T10] ___sys_sendmsg+0xee/0x170 [ 491.003439][ T10] __sys_sendmsg+0xcd/0x170 [ 491.003439][ T10] do_syscall_64+0xc6/0x1e0 [ 491.003439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.003439][ T10] [ 491.005161][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 491.005410][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 491.005410][ T10] netdev_get_by_index+0x5e/0x80 [ 491.005410][ T10] fib6_nh_init+0x3d8/0x1580 [ 491.005410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 491.005410][ T10] addrconf_f6i_alloc+0x265/0x560 [ 491.005410][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 491.005410][ T10] addrconf_join_anycast+0x1c0/0x220 [ 491.005410][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 491.005410][ T10] addrconf_dad_completed+0x12b/0xe20 [ 491.005410][ T10] addrconf_dad_begin+0x310/0x670 [ 491.005410][ T10] addrconf_dad_work+0x10b/0xab0 [ 491.005410][ T10] process_one_work+0x84d/0x18a0 [ 491.005410][ T10] worker_thread+0x587/0xd30 [ 491.005410][ T10] kthread+0x28a/0x350 [ 491.005410][ T10] ret_from_fork+0x31/0x70 [ 491.005410][ T10] ret_from_fork_asm+0x1a/0x30 [ 491.005410][ T10] [ 491.007375][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 491.007375][ T10] netdev_get_by_index+0x5e/0x80 [ 491.007375][ T10] fib6_nh_init+0x3d8/0x1580 [ 491.007375][ T10] ip6_route_info_create+0xf18/0x17d0 [ 491.007375][ T10] ip6_route_add+0x1c/0x140 [ 491.007375][ T10] addrconf_prefix_route+0x2a6/0x430 [ 491.007375][ T10] inet6_addr_add+0x4f8/0xa40 [ 491.007375][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 491.007375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.007375][ T10] netlink_rcv_skb+0x130/0x360 [ 491.007375][ T10] netlink_unicast+0x449/0x710 [ 491.007375][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.007375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.007375][ T10] ___sys_sendmsg+0xee/0x170 [ 491.007375][ T10] __sys_sendmsg+0xcd/0x170 [ 491.007375][ T10] do_syscall_64+0xc6/0x1e0 [ 491.007375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.007375][ T10] [ 491.009403][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 491.009403][ T10] netdev_get_by_index+0x5e/0x80 [ 491.009403][ T10] fib6_nh_init+0x3d8/0x1580 [ 491.009403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 491.009403][ T10] addrconf_f6i_alloc+0x315/0x560 [ 491.009403][ T10] ipv6_add_addr+0x411/0x2000 [ 491.009403][ T10] inet6_addr_add+0x30e/0xa40 [ 491.009403][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 491.009403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.009403][ T10] netlink_rcv_skb+0x130/0x360 [ 491.009403][ T10] netlink_unicast+0x449/0x710 [ 491.009403][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.009403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.009403][ T10] ___sys_sendmsg+0xee/0x170 [ 491.009403][ T10] __sys_sendmsg+0xcd/0x170 [ 491.009403][ T10] do_syscall_64+0xc6/0x1e0 [ 491.009403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.009403][ T10] [ 491.011457][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 491.011457][ T10] netdev_get_by_index+0x5e/0x80 [ 491.011457][ T10] fib6_nh_init+0x3d8/0x1580 [ 491.011457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 491.011457][ T10] ip6_route_add+0x1c/0x140 [ 491.011457][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 491.011457][ T10] addrconf_add_dev+0xe2/0x170 [ 491.011457][ T10] inet6_addr_add+0x12f/0xa40 [ 491.011457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 491.011457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.011457][ T10] netlink_rcv_skb+0x130/0x360 [ 491.011457][ T10] netlink_unicast+0x449/0x710 [ 491.011457][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.011457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.011457][ T10] ___sys_sendmsg+0xee/0x170 [ 491.011457][ T10] __sys_sendmsg+0xcd/0x170 [ 491.011457][ T10] do_syscall_64+0xc6/0x1e0 [ 491.011457][ T10] [ 491.013439][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 491.013439][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 491.013439][ T10] ipv6_find_idev+0x102/0x170 [ 491.013439][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 491.013439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.013439][ T10] netlink_rcv_skb+0x130/0x360 [ 491.013439][ T10] netlink_unicast+0x449/0x710 [ 491.013439][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.013439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.013439][ T10] ___sys_sendmsg+0xee/0x170 [ 491.013439][ T10] __sys_sendmsg+0xcd/0x170 [ 491.013439][ T10] do_syscall_64+0xc6/0x1e0 [ 491.013439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.013439][ T10] [ 491.015036][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 491.015036][ T10] neigh_parms_alloc+0x1e5/0x510 [ 491.015036][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 491.015036][ T10] ipv6_find_idev+0x102/0x170 [ 491.015036][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 491.015036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.015036][ T10] netlink_rcv_skb+0x130/0x360 [ 491.015036][ T10] netlink_unicast+0x449/0x710 [ 491.015036][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.015036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.015036][ T10] ___sys_sendmsg+0xee/0x170 [ 491.015036][ T10] __sys_sendmsg+0xcd/0x170 [ 491.015036][ T10] do_syscall_64+0xc6/0x1e0 [ 491.015036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.015036][ T10] [ 491.016756][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 491.017015][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 491.017015][ T10] netdev_get_by_index+0x5e/0x80 [ 491.017015][ T10] fib6_nh_init+0x3d8/0x1580 [ 491.017015][ T10] ip6_route_info_create+0xf18/0x17d0 [ 491.017015][ T10] addrconf_f6i_alloc+0x265/0x560 [ 491.017015][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 491.017015][ T10] addrconf_join_anycast+0x1c0/0x220 [ 491.017015][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 491.017015][ T10] addrconf_dad_completed+0x12b/0xe20 [ 491.017015][ T10] addrconf_dad_begin+0x310/0x670 [ 491.017015][ T10] addrconf_dad_work+0x10b/0xab0 [ 491.017015][ T10] process_one_work+0x84d/0x18a0 [ 491.017015][ T10] worker_thread+0x587/0xd30 [ 491.017015][ T10] kthread+0x28a/0x350 [ 491.017015][ T10] ret_from_fork+0x31/0x70 [ 491.017015][ T10] ret_from_fork_asm+0x1a/0x30 [ 491.017015][ T10] [ 491.018962][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 491.018962][ T10] netdev_get_by_index+0x5e/0x80 [ 491.018962][ T10] fib6_nh_init+0x3d8/0x1580 [ 491.018962][ T10] ip6_route_info_create+0xf18/0x17d0 [ 491.018962][ T10] ip6_route_add+0x1c/0x140 [ 491.018962][ T10] addrconf_prefix_route+0x2a6/0x430 [ 491.018962][ T10] inet6_addr_add+0x4f8/0xa40 [ 491.018962][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 491.018962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.018962][ T10] netlink_rcv_skb+0x130/0x360 [ 491.018962][ T10] netlink_unicast+0x449/0x710 [ 491.018962][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.018962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.018962][ T10] ___sys_sendmsg+0xee/0x170 [ 491.018962][ T10] __sys_sendmsg+0xcd/0x170 [ 491.018962][ T10] do_syscall_64+0xc6/0x1e0 [ 491.018962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.018962][ T10] [ 491.021139][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 491.021139][ T10] netdev_get_by_index+0x5e/0x80 [ 491.021139][ T10] fib6_nh_init+0x3d8/0x1580 [ 491.021139][ T10] ip6_route_info_create+0xf18/0x17d0 [ 491.021139][ T10] addrconf_f6i_alloc+0x315/0x560 [ 491.021139][ T10] ipv6_add_addr+0x411/0x2000 [ 491.021139][ T10] inet6_addr_add+0x30e/0xa40 [ 491.021139][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 491.021139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.021139][ T10] netlink_rcv_skb+0x130/0x360 [ 491.021139][ T10] netlink_unicast+0x449/0x710 [ 491.021139][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.021139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.021139][ T10] ___sys_sendmsg+0xee/0x170 [ 491.021139][ T10] __sys_sendmsg+0xcd/0x170 [ 491.021139][ T10] do_syscall_64+0xc6/0x1e0 [ 491.021139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.021139][ T10] [ 491.023495][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 491.023495][ T10] netdev_get_by_index+0x5e/0x80 [ 491.023495][ T10] fib6_nh_init+0x3d8/0x1580 [ 491.023495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 491.023495][ T10] ip6_route_add+0x1c/0x140 [ 491.023495][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 491.023495][ T10] addrconf_add_dev+0xe2/0x170 [ 491.023495][ T10] inet6_addr_add+0x12f/0xa40 [ 491.023495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 491.023495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.023495][ T10] netlink_rcv_skb+0x130/0x360 [ 491.023495][ T10] netlink_unicast+0x449/0x710 [ 491.023495][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.023495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.023495][ T10] ___sys_sendmsg+0xee/0x170 [ 491.023495][ T10] __sys_sendmsg+0xcd/0x170 [ 491.023495][ T10] do_syscall_64+0xc6/0x1e0 [ 491.023495][ T10] [ 491.025727][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 491.025727][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 491.025727][ T10] ipv6_find_idev+0x102/0x170 [ 491.025727][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 491.025727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.025727][ T10] netlink_rcv_skb+0x130/0x360 [ 491.025727][ T10] netlink_unicast+0x449/0x710 [ 491.025727][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.025727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.025727][ T10] ___sys_sendmsg+0xee/0x170 [ 491.025727][ T10] __sys_sendmsg+0xcd/0x170 [ 491.025727][ T10] do_syscall_64+0xc6/0x1e0 [ 491.025727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.025727][ T10] [ 491.027474][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 491.027474][ T10] neigh_parms_alloc+0x1e5/0x510 [ 491.027474][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 491.027474][ T10] ipv6_find_idev+0x102/0x170 [ 491.027474][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 491.027474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.027474][ T10] netlink_rcv_skb+0x130/0x360 [ 491.027474][ T10] netlink_unicast+0x449/0x710 [ 491.027474][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.027474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.027474][ T10] ___sys_sendmsg+0xee/0x170 [ 491.027474][ T10] __sys_sendmsg+0xcd/0x170 [ 491.027474][ T10] do_syscall_64+0xc6/0x1e0 [ 491.027474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.027474][ T10] [ 491.029470][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 491.029721][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 491.029721][ T10] netdev_get_by_index+0x5e/0x80 [ 491.029721][ T10] fib6_nh_init+0x3d8/0x1580 [ 491.029721][ T10] ip6_route_info_create+0xf18/0x17d0 [ 491.029721][ T10] addrconf_f6i_alloc+0x265/0x560 [ 491.029721][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 491.029721][ T10] addrconf_join_anycast+0x1c0/0x220 [ 491.029721][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 491.029721][ T10] addrconf_dad_completed+0x12b/0xe20 [ 491.029721][ T10] addrconf_dad_begin+0x310/0x670 [ 491.029721][ T10] addrconf_dad_work+0x10b/0xab0 [ 491.029721][ T10] process_one_work+0x84d/0x18a0 [ 491.029721][ T10] worker_thread+0x587/0xd30 [ 491.029721][ T10] kthread+0x28a/0x350 [ 491.029721][ T10] ret_from_fork+0x31/0x70 [ 491.029721][ T10] ret_from_fork_asm+0x1a/0x30 [ 491.029721][ T10] [ 491.031988][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 491.031988][ T10] netdev_get_by_index+0x5e/0x80 [ 491.031988][ T10] fib6_nh_init+0x3d8/0x1580 [ 491.031988][ T10] ip6_route_info_create+0xf18/0x17d0 [ 491.031988][ T10] ip6_route_add+0x1c/0x140 [ 491.031988][ T10] addrconf_prefix_route+0x2a6/0x430 [ 491.031988][ T10] inet6_addr_add+0x4f8/0xa40 [ 491.031988][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 491.031988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.031988][ T10] netlink_rcv_skb+0x130/0x360 [ 491.031988][ T10] netlink_unicast+0x449/0x710 [ 491.031988][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.031988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.031988][ T10] ___sys_sendmsg+0xee/0x170 [ 491.031988][ T10] __sys_sendmsg+0xcd/0x170 [ 491.031988][ T10] do_syscall_64+0xc6/0x1e0 [ 491.031988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.031988][ T10] [ 491.034268][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 491.034268][ T10] netdev_get_by_index+0x5e/0x80 [ 491.034268][ T10] fib6_nh_init+0x3d8/0x1580 [ 491.034268][ T10] ip6_route_info_create+0xf18/0x17d0 [ 491.034268][ T10] addrconf_f6i_alloc+0x315/0x560 [ 491.034268][ T10] ipv6_add_addr+0x411/0x2000 [ 491.034268][ T10] inet6_addr_add+0x30e/0xa40 [ 491.034268][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 491.034268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.034268][ T10] netlink_rcv_skb+0x130/0x360 [ 491.034268][ T10] netlink_unicast+0x449/0x710 [ 491.034268][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.034268][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.034268][ T10] ___sys_sendmsg+0xee/0x170 [ 491.034268][ T10] __sys_sendmsg+0xcd/0x170 [ 491.034268][ T10] do_syscall_64+0xc6/0x1e0 [ 491.034268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.034268][ T10] [ 491.036499][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 491.036499][ T10] netdev_get_by_index+0x5e/0x80 [ 491.036499][ T10] fib6_nh_init+0x3d8/0x1580 [ 491.036499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 491.036499][ T10] ip6_route_add+0x1c/0x140 [ 491.036499][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 491.036499][ T10] addrconf_add_dev+0xe2/0x170 [ 491.036499][ T10] inet6_addr_add+0x12f/0xa40 [ 491.036499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 491.036499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.036499][ T10] netlink_rcv_skb+0x130/0x360 [ 491.036499][ T10] netlink_unicast+0x449/0x710 [ 491.036499][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.036499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.036499][ T10] ___sys_sendmsg+0xee/0x170 [ 491.036499][ T10] __sys_sendmsg+0xcd/0x170 [ 491.036499][ T10] do_syscall_64+0xc6/0x1e0 [ 491.036499][ T10] [ 491.038740][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 491.038740][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 491.038740][ T10] ipv6_find_idev+0x102/0x170 [ 491.038740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 491.038740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.038740][ T10] netlink_rcv_skb+0x130/0x360 [ 491.038740][ T10] netlink_unicast+0x449/0x710 [ 491.038740][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.038740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.038740][ T10] ___sys_sendmsg+0xee/0x170 [ 491.038740][ T10] __sys_sendmsg+0xcd/0x170 [ 491.038740][ T10] do_syscall_64+0xc6/0x1e0 [ 491.038740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.038740][ T10] [ 491.040506][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 491.040506][ T10] neigh_parms_alloc+0x1e5/0x510 [ 491.040506][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 491.040506][ T10] ipv6_find_idev+0x102/0x170 [ 491.040506][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 491.040506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.040506][ T10] netlink_rcv_skb+0x130/0x360 [ 491.040506][ T10] netlink_unicast+0x449/0x710 [ 491.040506][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.040506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.040506][ T10] ___sys_sendmsg+0xee/0x170 [ 491.040506][ T10] __sys_sendmsg+0xcd/0x170 [ 491.040506][ T10] do_syscall_64+0xc6/0x1e0 [ 491.040506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.040506][ T10] [ 492.785089][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 492.785521][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 492.785521][ T1167] dst_init+0x84/0x4a0 [ 492.785521][ T1167] dst_alloc+0x97/0x150 [ 492.785521][ T1167] ip6_dst_alloc+0x23/0x90 [ 492.785521][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 492.785521][ T1167] ip6_pol_route+0x56f/0x840 [ 492.785521][ T1167] fib6_rule_lookup+0x334/0x630 [ 492.785521][ T1167] ip6_route_output_flags+0x259/0x480 [ 492.785521][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 492.785521][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 492.785521][ T1167] netlink_rcv_skb+0x130/0x360 [ 492.785521][ T1167] netlink_unicast+0x449/0x710 [ 492.785521][ T1167] netlink_sendmsg+0x723/0xbe0 [ 492.785521][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 492.785521][ T1167] ___sys_sendmsg+0xee/0x170 [ 492.785521][ T1167] __sys_sendmsg+0xcd/0x170 [ 492.785521][ T1167] do_syscall_64+0xc6/0x1e0 [ 492.785521][ T1167] [ 492.787765][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 492.787765][ T1167] netdev_get_by_index+0x5e/0x80 [ 492.787765][ T1167] fib6_nh_init+0x3d8/0x1580 [ 492.787765][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 492.787765][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 492.787765][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 492.787765][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 492.787765][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 492.787765][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 492.787765][ T1167] addrconf_dad_begin+0x310/0x670 [ 492.787765][ T1167] addrconf_dad_work+0x10b/0xab0 [ 492.787765][ T1167] process_one_work+0x84d/0x18a0 [ 492.787765][ T1167] worker_thread+0x587/0xd30 [ 492.787765][ T1167] kthread+0x28a/0x350 [ 492.787765][ T1167] ret_from_fork+0x31/0x70 [ 492.787765][ T1167] ret_from_fork_asm+0x1a/0x30 [ 492.787765][ T1167] [ 492.789949][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 492.789949][ T1167] netdev_get_by_index+0x5e/0x80 [ 492.789949][ T1167] fib6_nh_init+0x3d8/0x1580 [ 492.789949][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 492.789949][ T1167] ip6_route_add+0x1c/0x140 [ 492.789949][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 492.789949][ T1167] inet6_addr_add+0x4f8/0xa40 [ 492.789949][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 492.789949][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.789949][ T1167] netlink_rcv_skb+0x130/0x360 [ 492.789949][ T1167] netlink_unicast+0x449/0x710 [ 492.789949][ T1167] netlink_sendmsg+0x723/0xbe0 [ 492.789949][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 492.789949][ T1167] ___sys_sendmsg+0xee/0x170 [ 492.789949][ T1167] __sys_sendmsg+0xcd/0x170 [ 492.789949][ T1167] do_syscall_64+0xc6/0x1e0 [ 492.789949][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.789949][ T1167] [ 492.792510][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 492.792510][ T1167] netdev_get_by_index+0x5e/0x80 [ 492.792510][ T1167] fib6_nh_init+0x3d8/0x1580 [ 492.792510][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 492.792510][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 492.792510][ T1167] ipv6_add_addr+0x411/0x2000 [ 492.792510][ T1167] inet6_addr_add+0x30e/0xa40 [ 492.792510][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 492.792510][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.792510][ T1167] netlink_rcv_skb+0x130/0x360 [ 492.792510][ T1167] netlink_unicast+0x449/0x710 [ 492.792510][ T1167] netlink_sendmsg+0x723/0xbe0 [ 492.792510][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 492.792510][ T1167] ___sys_sendmsg+0xee/0x170 [ 492.792510][ T1167] __sys_sendmsg+0xcd/0x170 [ 492.792510][ T1167] do_syscall_64+0xc6/0x1e0 [ 492.792510][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.792510][ T1167] [ 492.796187][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 492.796187][ T1167] netdev_get_by_index+0x5e/0x80 [ 492.796187][ T1167] fib6_nh_init+0x3d8/0x1580 [ 492.796187][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 492.796187][ T1167] ip6_route_add+0x1c/0x140 [ 492.796187][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 492.796187][ T1167] addrconf_add_dev+0xe2/0x170 [ 492.796187][ T1167] inet6_addr_add+0x12f/0xa40 [ 492.796187][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 492.796187][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.796187][ T1167] netlink_rcv_skb+0x130/0x360 [ 492.796187][ T1167] netlink_unicast+0x449/0x710 [ 492.796187][ T1167] netlink_sendmsg+0x723/0xbe0 [ 492.796187][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 492.796187][ T1167] ___sys_sendmsg+0xee/0x170 [ 492.796187][ T1167] __sys_sendmsg+0xcd/0x170 [ 492.796187][ T1167] do_syscall_64+0xc6/0x1e0 [ 492.796187][ T1167] [ 492.799780][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 492.799780][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 492.799780][ T1167] ipv6_find_idev+0x102/0x170 [ 492.799780][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.799780][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.799780][ T1167] netlink_rcv_skb+0x130/0x360 [ 492.799780][ T1167] netlink_unicast+0x449/0x710 [ 492.799780][ T1167] netlink_sendmsg+0x723/0xbe0 [ 492.799780][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 492.799780][ T1167] ___sys_sendmsg+0xee/0x170 [ 492.799780][ T1167] __sys_sendmsg+0xcd/0x170 [ 492.799780][ T1167] do_syscall_64+0xc6/0x1e0 [ 492.799780][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.799780][ T1167] [ 492.802170][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 492.802170][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 492.802170][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 492.802170][ T1167] ipv6_find_idev+0x102/0x170 [ 492.802170][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.802170][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.802170][ T1167] netlink_rcv_skb+0x130/0x360 [ 492.802170][ T1167] netlink_unicast+0x449/0x710 [ 492.802170][ T1167] netlink_sendmsg+0x723/0xbe0 [ 492.802170][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 492.802170][ T1167] ___sys_sendmsg+0xee/0x170 [ 492.802170][ T1167] __sys_sendmsg+0xcd/0x170 [ 492.802170][ T1167] do_syscall_64+0xc6/0x1e0 [ 492.802170][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.802170][ T1167] [ 501.129153][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 501.129682][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 501.129682][ T10] netdev_get_by_index+0x5e/0x80 [ 501.129682][ T10] fib6_nh_init+0x3d8/0x1580 [ 501.129682][ T10] ip6_route_info_create+0xf18/0x17d0 [ 501.129682][ T10] addrconf_f6i_alloc+0x265/0x560 [ 501.129682][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 501.129682][ T10] addrconf_join_anycast+0x1c0/0x220 [ 501.129682][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 501.129682][ T10] addrconf_dad_completed+0x12b/0xe20 [ 501.129682][ T10] addrconf_dad_begin+0x310/0x670 [ 501.129682][ T10] addrconf_dad_work+0x10b/0xab0 [ 501.129682][ T10] process_one_work+0x84d/0x18a0 [ 501.129682][ T10] worker_thread+0x587/0xd30 [ 501.129682][ T10] kthread+0x28a/0x350 [ 501.129682][ T10] ret_from_fork+0x31/0x70 [ 501.129682][ T10] ret_from_fork_asm+0x1a/0x30 [ 501.129682][ T10] [ 501.132848][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 501.132848][ T10] netdev_get_by_index+0x5e/0x80 [ 501.132848][ T10] fib6_nh_init+0x3d8/0x1580 [ 501.132848][ T10] ip6_route_info_create+0xf18/0x17d0 [ 501.132848][ T10] ip6_route_add+0x1c/0x140 [ 501.132848][ T10] addrconf_prefix_route+0x2a6/0x430 [ 501.132848][ T10] inet6_addr_add+0x4f8/0xa40 [ 501.132848][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 501.132848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 501.132848][ T10] netlink_rcv_skb+0x130/0x360 [ 501.132848][ T10] netlink_unicast+0x449/0x710 [ 501.132848][ T10] netlink_sendmsg+0x723/0xbe0 [ 501.132848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 501.132848][ T10] ___sys_sendmsg+0xee/0x170 [ 501.132848][ T10] __sys_sendmsg+0xcd/0x170 [ 501.132848][ T10] do_syscall_64+0xc6/0x1e0 [ 501.132848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 501.132848][ T10] [ 501.136137][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 501.136137][ T10] netdev_get_by_index+0x5e/0x80 [ 501.136137][ T10] fib6_nh_init+0x3d8/0x1580 [ 501.136137][ T10] ip6_route_info_create+0xf18/0x17d0 [ 501.136137][ T10] addrconf_f6i_alloc+0x315/0x560 [ 501.136137][ T10] ipv6_add_addr+0x411/0x2000 [ 501.136137][ T10] inet6_addr_add+0x30e/0xa40 [ 501.136137][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 501.136137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 501.136137][ T10] netlink_rcv_skb+0x130/0x360 [ 501.136137][ T10] netlink_unicast+0x449/0x710 [ 501.136137][ T10] netlink_sendmsg+0x723/0xbe0 [ 501.136137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 501.136137][ T10] ___sys_sendmsg+0xee/0x170 [ 501.136137][ T10] __sys_sendmsg+0xcd/0x170 [ 501.136137][ T10] do_syscall_64+0xc6/0x1e0 [ 501.136137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 501.136137][ T10] [ 501.139070][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 501.139070][ T10] netdev_get_by_index+0x5e/0x80 [ 501.139070][ T10] fib6_nh_init+0x3d8/0x1580 [ 501.139070][ T10] ip6_route_info_create+0xf18/0x17d0 [ 501.139070][ T10] ip6_route_add+0x1c/0x140 [ 501.139070][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 501.139070][ T10] addrconf_add_dev+0xe2/0x170 [ 501.139070][ T10] inet6_addr_add+0x12f/0xa40 [ 501.139070][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 501.139070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 501.139070][ T10] netlink_rcv_skb+0x130/0x360 [ 501.139070][ T10] netlink_unicast+0x449/0x710 [ 501.139070][ T10] netlink_sendmsg+0x723/0xbe0 [ 501.139070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 501.139070][ T10] ___sys_sendmsg+0xee/0x170 [ 501.139070][ T10] __sys_sendmsg+0xcd/0x170 [ 501.139070][ T10] do_syscall_64+0xc6/0x1e0 [ 501.139070][ T10] [ 501.142019][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 501.142019][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 501.142019][ T10] ipv6_find_idev+0x102/0x170 [ 501.142019][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 501.142019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 501.142019][ T10] netlink_rcv_skb+0x130/0x360 [ 501.142019][ T10] netlink_unicast+0x449/0x710 [ 501.142019][ T10] netlink_sendmsg+0x723/0xbe0 [ 501.142019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 501.142019][ T10] ___sys_sendmsg+0xee/0x170 [ 501.142019][ T10] __sys_sendmsg+0xcd/0x170 [ 501.142019][ T10] do_syscall_64+0xc6/0x1e0 [ 501.142019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 501.142019][ T10] [ 501.144388][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 501.144388][ T10] neigh_parms_alloc+0x1e5/0x510 [ 501.144388][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 501.144388][ T10] ipv6_find_idev+0x102/0x170 [ 501.144388][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 501.144388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 501.144388][ T10] netlink_rcv_skb+0x130/0x360 [ 501.144388][ T10] netlink_unicast+0x449/0x710 [ 501.144388][ T10] netlink_sendmsg+0x723/0xbe0 [ 501.144388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 501.144388][ T10] ___sys_sendmsg+0xee/0x170 [ 501.144388][ T10] __sys_sendmsg+0xcd/0x170 [ 501.144388][ T10] do_syscall_64+0xc6/0x1e0 [ 501.144388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 501.144388][ T10] [ 501.146962][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 501.147353][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 501.147353][ T10] netdev_get_by_index+0x5e/0x80 [ 501.147353][ T10] fib6_nh_init+0x3d8/0x1580 [ 501.147353][ T10] ip6_route_info_create+0xf18/0x17d0 [ 501.147353][ T10] addrconf_f6i_alloc+0x265/0x560 [ 501.147353][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 501.147353][ T10] addrconf_join_anycast+0x1c0/0x220 [ 501.147353][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 501.147353][ T10] addrconf_dad_completed+0x12b/0xe20 [ 501.147353][ T10] addrconf_dad_begin+0x310/0x670 [ 501.147353][ T10] addrconf_dad_work+0x10b/0xab0 [ 501.147353][ T10] process_one_work+0x84d/0x18a0 [ 501.147353][ T10] worker_thread+0x587/0xd30 [ 501.147353][ T10] kthread+0x28a/0x350 [ 501.147353][ T10] ret_from_fork+0x31/0x70 [ 501.147353][ T10] ret_from_fork_asm+0x1a/0x30 [ 501.147353][ T10] [ 501.150281][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 501.150281][ T10] netdev_get_by_index+0x5e/0x80 [ 501.150281][ T10] fib6_nh_init+0x3d8/0x1580 [ 501.150281][ T10] ip6_route_info_create+0xf18/0x17d0 [ 501.150281][ T10] ip6_route_add+0x1c/0x140 [ 501.150281][ T10] addrconf_prefix_route+0x2a6/0x430 [ 501.150281][ T10] inet6_addr_add+0x4f8/0xa40 [ 501.150281][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 501.150281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 501.150281][ T10] netlink_rcv_skb+0x130/0x360 [ 501.150281][ T10] netlink_unicast+0x449/0x710 [ 501.150281][ T10] netlink_sendmsg+0x723/0xbe0 [ 501.150281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 501.150281][ T10] ___sys_sendmsg+0xee/0x170 [ 501.150281][ T10] __sys_sendmsg+0xcd/0x170 [ 501.150281][ T10] do_syscall_64+0xc6/0x1e0 [ 501.150281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 501.150281][ T10] [ 501.153381][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 501.153381][ T10] netdev_get_by_index+0x5e/0x80 [ 501.153381][ T10] fib6_nh_init+0x3d8/0x1580 [ 501.153381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 501.153381][ T10] addrconf_f6i_alloc+0x315/0x560 [ 501.153381][ T10] ipv6_add_addr+0x411/0x2000 [ 501.153381][ T10] inet6_addr_add+0x30e/0xa40 [ 501.153381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 501.153381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 501.153381][ T10] netlink_rcv_skb+0x130/0x360 [ 501.153381][ T10] netlink_unicast+0x449/0x710 [ 501.153381][ T10] netlink_sendmsg+0x723/0xbe0 [ 501.153381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 501.153381][ T10] ___sys_sendmsg+0xee/0x170 [ 501.153381][ T10] __sys_sendmsg+0xcd/0x170 [ 501.153381][ T10] do_syscall_64+0xc6/0x1e0 [ 501.153381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 501.153381][ T10] [ 501.156527][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 501.156527][ T10] netdev_get_by_index+0x5e/0x80 [ 501.156527][ T10] fib6_nh_init+0x3d8/0x1580 [ 501.156527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 501.156527][ T10] ip6_route_add+0x1c/0x140 [ 501.156527][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 501.156527][ T10] addrconf_add_dev+0xe2/0x170 [ 501.156527][ T10] inet6_addr_add+0x12f/0xa40 [ 501.156527][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 501.156527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 501.156527][ T10] netlink_rcv_skb+0x130/0x360 [ 501.156527][ T10] netlink_unicast+0x449/0x710 [ 501.156527][ T10] netlink_sendmsg+0x723/0xbe0 [ 501.156527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 501.156527][ T10] ___sys_sendmsg+0xee/0x170 [ 501.156527][ T10] __sys_sendmsg+0xcd/0x170 [ 501.156527][ T10] do_syscall_64+0xc6/0x1e0 [ 501.156527][ T10] [ 501.159581][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 501.159581][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 501.159581][ T10] ipv6_find_idev+0x102/0x170 [ 501.159581][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 501.159581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 501.159581][ T10] netlink_rcv_skb+0x130/0x360 [ 501.159581][ T10] netlink_unicast+0x449/0x710 [ 501.159581][ T10] netlink_sendmsg+0x723/0xbe0 [ 501.159581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 501.159581][ T10] ___sys_sendmsg+0xee/0x170 [ 501.159581][ T10] __sys_sendmsg+0xcd/0x170 [ 501.159581][ T10] do_syscall_64+0xc6/0x1e0 [ 501.159581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 501.159581][ T10] [ 501.162193][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 501.162193][ T10] neigh_parms_alloc+0x1e5/0x510 [ 501.162193][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 501.162193][ T10] ipv6_find_idev+0x102/0x170 [ 501.162193][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 501.162193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 501.162193][ T10] netlink_rcv_skb+0x130/0x360 [ 501.162193][ T10] netlink_unicast+0x449/0x710 [ 501.162193][ T10] netlink_sendmsg+0x723/0xbe0 [ 501.162193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 501.162193][ T10] ___sys_sendmsg+0xee/0x170 [ 501.162193][ T10] __sys_sendmsg+0xcd/0x170 [ 501.162193][ T10] do_syscall_64+0xc6/0x1e0 [ 501.162193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 501.162193][ T10] [ 501.164108][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 501.164382][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 501.164382][ T10] netdev_get_by_index+0x5e/0x80 [ 501.164382][ T10] fib6_nh_init+0x3d8/0x1580 [ 501.164382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 501.164382][ T10] addrconf_f6i_alloc+0x265/0x560 [ 501.164382][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 501.164382][ T10] addrconf_join_anycast+0x1c0/0x220 [ 501.164382][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 501.164382][ T10] addrconf_dad_completed+0x12b/0xe20 [ 501.164382][ T10] addrconf_dad_begin+0x310/0x670 [ 501.164382][ T10] addrconf_dad_work+0x10b/0xab0 [ 501.164382][ T10] process_one_work+0x84d/0x18a0 [ 501.164382][ T10] worker_thread+0x587/0xd30 [ 501.164382][ T10] kthread+0x28a/0x350 [ 501.164382][ T10] ret_from_fork+0x31/0x70 [ 501.164382][ T10] ret_from_fork_asm+0x1a/0x30 [ 501.164382][ T10] [ 501.166530][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 501.166530][ T10] netdev_get_by_index+0x5e/0x80 [ 501.166530][ T10] fib6_nh_init+0x3d8/0x1580 [ 501.166530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 501.166530][ T10] ip6_route_add+0x1c/0x140 [ 501.166530][ T10] addrconf_prefix_route+0x2a6/0x430 [ 501.166530][ T10] inet6_addr_add+0x4f8/0xa40 [ 501.166530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 501.166530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 501.166530][ T10] netlink_rcv_skb+0x130/0x360 [ 501.166530][ T10] netlink_unicast+0x449/0x710 [ 501.166530][ T10] netlink_sendmsg+0x723/0xbe0 [ 501.166530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 501.166530][ T10] ___sys_sendmsg+0xee/0x170 [ 501.166530][ T10] __sys_sendmsg+0xcd/0x170 [ 501.166530][ T10] do_syscall_64+0xc6/0x1e0 [ 501.166530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 501.166530][ T10] [ 501.168953][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 501.168953][ T10] netdev_get_by_index+0x5e/0x80 [ 501.168953][ T10] fib6_nh_init+0x3d8/0x1580 [ 501.168953][ T10] ip6_route_info_create+0xf18/0x17d0 [ 501.168953][ T10] addrconf_f6i_alloc+0x315/0x560 [ 501.168953][ T10] ipv6_add_addr+0x411/0x2000 [ 501.168953][ T10] inet6_addr_add+0x30e/0xa40 [ 501.168953][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 501.168953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 501.168953][ T10] netlink_rcv_skb+0x130/0x360 [ 501.168953][ T10] netlink_unicast+0x449/0x710 [ 501.168953][ T10] netlink_sendmsg+0x723/0xbe0 [ 501.168953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 501.168953][ T10] ___sys_sendmsg+0xee/0x170 [ 501.168953][ T10] __sys_sendmsg+0xcd/0x170 [ 501.168953][ T10] do_syscall_64+0xc6/0x1e0 [ 501.168953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 501.168953][ T10] [ 501.171480][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 501.171480][ T10] netdev_get_by_index+0x5e/0x80 [ 501.171480][ T10] fib6_nh_init+0x3d8/0x1580 [ 501.171480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 501.171480][ T10] ip6_route_add+0x1c/0x140 [ 501.171480][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 501.171480][ T10] addrconf_add_dev+0xe2/0x170 [ 501.171480][ T10] inet6_addr_add+0x12f/0xa40 [ 501.171480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 501.171480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 501.171480][ T10] netlink_rcv_skb+0x130/0x360 [ 501.171480][ T10] netlink_unicast+0x449/0x710 [ 501.171480][ T10] netlink_sendmsg+0x723/0xbe0 [ 501.171480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 501.171480][ T10] ___sys_sendmsg+0xee/0x170 [ 501.171480][ T10] __sys_sendmsg+0xcd/0x170 [ 501.171480][ T10] do_syscall_64+0xc6/0x1e0 [ 501.171480][ T10] [ 501.173905][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 501.173905][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 501.173905][ T10] ipv6_find_idev+0x102/0x170 [ 501.173905][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 501.173905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 501.173905][ T10] netlink_rcv_skb+0x130/0x360 [ 501.173905][ T10] netlink_unicast+0x449/0x710 [ 501.173905][ T10] netlink_sendmsg+0x723/0xbe0 [ 501.173905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 501.173905][ T10] ___sys_sendmsg+0xee/0x170 [ 501.173905][ T10] __sys_sendmsg+0xcd/0x170 [ 501.173905][ T10] do_syscall_64+0xc6/0x1e0 [ 501.173905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 501.173905][ T10] [ 501.175739][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 501.175739][ T10] neigh_parms_alloc+0x1e5/0x510 [ 501.175739][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 501.175739][ T10] ipv6_find_idev+0x102/0x170 [ 501.175739][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 501.175739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 501.175739][ T10] netlink_rcv_skb+0x130/0x360 [ 501.175739][ T10] netlink_unicast+0x449/0x710 [ 501.175739][ T10] netlink_sendmsg+0x723/0xbe0 [ 501.175739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 501.175739][ T10] ___sys_sendmsg+0xee/0x170 [ 501.175739][ T10] __sys_sendmsg+0xcd/0x170 [ 501.175739][ T10] do_syscall_64+0xc6/0x1e0 [ 501.175739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 501.175739][ T10] [ 501.177897][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 501.178612][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 501.178612][ T10] netdev_get_by_index+0x5e/0x80 [ 501.178612][ T10] fib6_nh_init+0x3d8/0x1580 [ 501.178612][ T10] ip6_route_info_create+0xf18/0x17d0 [ 501.178612][ T10] addrconf_f6i_alloc+0x265/0x560 [ 501.178612][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 501.178612][ T10] addrconf_join_anycast+0x1c0/0x220 [ 501.178612][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 501.178612][ T10] addrconf_dad_completed+0x12b/0xe20 [ 501.178612][ T10] addrconf_dad_begin+0x310/0x670 [ 501.178612][ T10] addrconf_dad_work+0x10b/0xab0 [ 501.178612][ T10] process_one_work+0x84d/0x18a0 [ 501.178612][ T10] worker_thread+0x587/0xd30 [ 501.178612][ T10] kthread+0x28a/0x350 [ 501.178612][ T10] ret_from_fork+0x31/0x70 [ 501.178612][ T10] ret_from_fork_asm+0x1a/0x30 [ 501.178612][ T10] [ 501.180735][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 501.180735][ T10] netdev_get_by_index+0x5e/0x80 [ 501.180735][ T10] fib6_nh_init+0x3d8/0x1580 [ 501.180735][ T10] ip6_route_info_create+0xf18/0x17d0 [ 501.180735][ T10] ip6_route_add+0x1c/0x140 [ 501.180735][ T10] addrconf_prefix_route+0x2a6/0x430 [ 501.180735][ T10] inet6_addr_add+0x4f8/0xa40 [ 501.180735][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 501.180735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 501.180735][ T10] netlink_rcv_skb+0x130/0x360 [ 501.180735][ T10] netlink_unicast+0x449/0x710 [ 501.180735][ T10] netlink_sendmsg+0x723/0xbe0 [ 501.180735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 501.180735][ T10] ___sys_sendmsg+0xee/0x170 [ 501.180735][ T10] __sys_sendmsg+0xcd/0x170 [ 501.180735][ T10] do_syscall_64+0xc6/0x1e0 [ 501.180735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 501.180735][ T10] [ 501.183064][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 501.183064][ T10] netdev_get_by_index+0x5e/0x80 [ 501.183064][ T10] fib6_nh_init+0x3d8/0x1580 [ 501.183064][ T10] ip6_route_info_create+0xf18/0x17d0 [ 501.183064][ T10] addrconf_f6i_alloc+0x315/0x560 [ 501.183064][ T10] ipv6_add_addr+0x411/0x2000 [ 501.183064][ T10] inet6_addr_add+0x30e/0xa40 [ 501.183064][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 501.183064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 501.183064][ T10] netlink_rcv_skb+0x130/0x360 [ 501.183064][ T10] netlink_unicast+0x449/0x710 [ 501.183064][ T10] netlink_sendmsg+0x723/0xbe0 [ 501.183064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 501.183064][ T10] ___sys_sendmsg+0xee/0x170 [ 501.183064][ T10] __sys_sendmsg+0xcd/0x170 [ 501.183064][ T10] do_syscall_64+0xc6/0x1e0 [ 501.183064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 501.183064][ T10] [ 501.185582][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 501.185582][ T10] netdev_get_by_index+0x5e/0x80 [ 501.185582][ T10] fib6_nh_init+0x3d8/0x1580 [ 501.185582][ T10] ip6_route_info_create+0xf18/0x17d0 [ 501.185582][ T10] ip6_route_add+0x1c/0x140 [ 501.185582][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 501.185582][ T10] addrconf_add_dev+0xe2/0x170 [ 501.185582][ T10] inet6_addr_add+0x12f/0xa40 [ 501.185582][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 501.185582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 501.185582][ T10] netlink_rcv_skb+0x130/0x360 [ 501.185582][ T10] netlink_unicast+0x449/0x710 [ 501.185582][ T10] netlink_sendmsg+0x723/0xbe0 [ 501.185582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 501.185582][ T10] ___sys_sendmsg+0xee/0x170 [ 501.185582][ T10] __sys_sendmsg+0xcd/0x170 [ 501.185582][ T10] do_syscall_64+0xc6/0x1e0 [ 501.185582][ T10] [ 501.187811][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 501.187811][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 501.187811][ T10] ipv6_find_idev+0x102/0x170 [ 501.187811][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 501.187811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 501.187811][ T10] netlink_rcv_skb+0x130/0x360 [ 501.187811][ T10] netlink_unicast+0x449/0x710 [ 501.187811][ T10] netlink_sendmsg+0x723/0xbe0 [ 501.187811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 501.187811][ T10] ___sys_sendmsg+0xee/0x170 [ 501.187811][ T10] __sys_sendmsg+0xcd/0x170 [ 501.187811][ T10] do_syscall_64+0xc6/0x1e0 [ 501.187811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 501.187811][ T10] [ 501.189540][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 501.189540][ T10] neigh_parms_alloc+0x1e5/0x510 [ 501.189540][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 501.189540][ T10] ipv6_find_idev+0x102/0x170 [ 501.189540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 501.189540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 501.189540][ T10] netlink_rcv_skb+0x130/0x360 [ 501.189540][ T10] netlink_unicast+0x449/0x710 [ 501.189540][ T10] netlink_sendmsg+0x723/0xbe0 [ 501.189540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 501.189540][ T10] ___sys_sendmsg+0xee/0x170 [ 501.189540][ T10] __sys_sendmsg+0xcd/0x170 [ 501.189540][ T10] do_syscall_64+0xc6/0x1e0 [ 501.189540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 501.189540][ T10] [ 502.921081][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 502.921561][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 502.921561][ T1167] dst_init+0x84/0x4a0 [ 502.921561][ T1167] dst_alloc+0x97/0x150 [ 502.921561][ T1167] ip6_dst_alloc+0x23/0x90 [ 502.921561][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 502.921561][ T1167] ip6_pol_route+0x56f/0x840 [ 502.921561][ T1167] fib6_rule_lookup+0x334/0x630 [ 502.921561][ T1167] ip6_route_output_flags+0x259/0x480 [ 502.921561][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 502.921561][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 502.921561][ T1167] netlink_rcv_skb+0x130/0x360 [ 502.921561][ T1167] netlink_unicast+0x449/0x710 [ 502.921561][ T1167] netlink_sendmsg+0x723/0xbe0 [ 502.921561][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 502.921561][ T1167] ___sys_sendmsg+0xee/0x170 [ 502.921561][ T1167] __sys_sendmsg+0xcd/0x170 [ 502.921561][ T1167] do_syscall_64+0xc6/0x1e0 [ 502.921561][ T1167] [ 502.923890][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 502.923890][ T1167] netdev_get_by_index+0x5e/0x80 [ 502.923890][ T1167] fib6_nh_init+0x3d8/0x1580 [ 502.923890][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 502.923890][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 502.923890][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 502.923890][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 502.923890][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 502.923890][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 502.923890][ T1167] addrconf_dad_begin+0x310/0x670 [ 502.923890][ T1167] addrconf_dad_work+0x10b/0xab0 [ 502.923890][ T1167] process_one_work+0x84d/0x18a0 [ 502.923890][ T1167] worker_thread+0x587/0xd30 [ 502.923890][ T1167] kthread+0x28a/0x350 [ 502.923890][ T1167] ret_from_fork+0x31/0x70 [ 502.923890][ T1167] ret_from_fork_asm+0x1a/0x30 [ 502.923890][ T1167] [ 502.926189][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 502.926189][ T1167] netdev_get_by_index+0x5e/0x80 [ 502.926189][ T1167] fib6_nh_init+0x3d8/0x1580 [ 502.926189][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 502.926189][ T1167] ip6_route_add+0x1c/0x140 [ 502.926189][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 502.926189][ T1167] inet6_addr_add+0x4f8/0xa40 [ 502.926189][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 502.926189][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.926189][ T1167] netlink_rcv_skb+0x130/0x360 [ 502.926189][ T1167] netlink_unicast+0x449/0x710 [ 502.926189][ T1167] netlink_sendmsg+0x723/0xbe0 [ 502.926189][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 502.926189][ T1167] ___sys_sendmsg+0xee/0x170 [ 502.926189][ T1167] __sys_sendmsg+0xcd/0x170 [ 502.926189][ T1167] do_syscall_64+0xc6/0x1e0 [ 502.926189][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.926189][ T1167] [ 502.928589][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 502.928589][ T1167] netdev_get_by_index+0x5e/0x80 [ 502.928589][ T1167] fib6_nh_init+0x3d8/0x1580 [ 502.928589][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 502.928589][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 502.928589][ T1167] ipv6_add_addr+0x411/0x2000 [ 502.928589][ T1167] inet6_addr_add+0x30e/0xa40 [ 502.928589][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 502.928589][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.928589][ T1167] netlink_rcv_skb+0x130/0x360 [ 502.928589][ T1167] netlink_unicast+0x449/0x710 [ 502.928589][ T1167] netlink_sendmsg+0x723/0xbe0 [ 502.928589][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 502.928589][ T1167] ___sys_sendmsg+0xee/0x170 [ 502.928589][ T1167] __sys_sendmsg+0xcd/0x170 [ 502.928589][ T1167] do_syscall_64+0xc6/0x1e0 [ 502.928589][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.928589][ T1167] [ 502.930996][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 502.930996][ T1167] netdev_get_by_index+0x5e/0x80 [ 502.930996][ T1167] fib6_nh_init+0x3d8/0x1580 [ 502.930996][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 502.930996][ T1167] ip6_route_add+0x1c/0x140 [ 502.930996][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 502.930996][ T1167] addrconf_add_dev+0xe2/0x170 [ 502.930996][ T1167] inet6_addr_add+0x12f/0xa40 [ 502.930996][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 502.930996][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.930996][ T1167] netlink_rcv_skb+0x130/0x360 [ 502.930996][ T1167] netlink_unicast+0x449/0x710 [ 502.930996][ T1167] netlink_sendmsg+0x723/0xbe0 [ 502.930996][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 502.930996][ T1167] ___sys_sendmsg+0xee/0x170 [ 502.930996][ T1167] __sys_sendmsg+0xcd/0x170 [ 502.930996][ T1167] do_syscall_64+0xc6/0x1e0 [ 502.930996][ T1167] [ 502.933321][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 502.933321][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 502.933321][ T1167] ipv6_find_idev+0x102/0x170 [ 502.933321][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.933321][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.933321][ T1167] netlink_rcv_skb+0x130/0x360 [ 502.933321][ T1167] netlink_unicast+0x449/0x710 [ 502.933321][ T1167] netlink_sendmsg+0x723/0xbe0 [ 502.933321][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 502.933321][ T1167] ___sys_sendmsg+0xee/0x170 [ 502.933321][ T1167] __sys_sendmsg+0xcd/0x170 [ 502.933321][ T1167] do_syscall_64+0xc6/0x1e0 [ 502.933321][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.933321][ T1167] [ 502.935132][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 502.935132][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 502.935132][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 502.935132][ T1167] ipv6_find_idev+0x102/0x170 [ 502.935132][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.935132][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.935132][ T1167] netlink_rcv_skb+0x130/0x360 [ 502.935132][ T1167] netlink_unicast+0x449/0x710 [ 502.935132][ T1167] netlink_sendmsg+0x723/0xbe0 [ 502.935132][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 502.935132][ T1167] ___sys_sendmsg+0xee/0x170 [ 502.935132][ T1167] __sys_sendmsg+0xcd/0x170 [ 502.935132][ T1167] do_syscall_64+0xc6/0x1e0 [ 502.935132][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.935132][ T1167] [ 511.193115][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 511.193498][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 511.193498][ T10] netdev_get_by_index+0x5e/0x80 [ 511.193498][ T10] fib6_nh_init+0x3d8/0x1580 [ 511.193498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 511.193498][ T10] addrconf_f6i_alloc+0x265/0x560 [ 511.193498][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 511.193498][ T10] addrconf_join_anycast+0x1c0/0x220 [ 511.193498][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 511.193498][ T10] addrconf_dad_completed+0x12b/0xe20 [ 511.193498][ T10] addrconf_dad_begin+0x310/0x670 [ 511.193498][ T10] addrconf_dad_work+0x10b/0xab0 [ 511.193498][ T10] process_one_work+0x84d/0x18a0 [ 511.193498][ T10] worker_thread+0x587/0xd30 [ 511.193498][ T10] kthread+0x28a/0x350 [ 511.193498][ T10] ret_from_fork+0x31/0x70 [ 511.193498][ T10] ret_from_fork_asm+0x1a/0x30 [ 511.193498][ T10] [ 511.195453][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 511.195453][ T10] netdev_get_by_index+0x5e/0x80 [ 511.195453][ T10] fib6_nh_init+0x3d8/0x1580 [ 511.195453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 511.195453][ T10] ip6_route_add+0x1c/0x140 [ 511.195453][ T10] addrconf_prefix_route+0x2a6/0x430 [ 511.195453][ T10] inet6_addr_add+0x4f8/0xa40 [ 511.195453][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 511.195453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.195453][ T10] netlink_rcv_skb+0x130/0x360 [ 511.195453][ T10] netlink_unicast+0x449/0x710 [ 511.195453][ T10] netlink_sendmsg+0x723/0xbe0 [ 511.195453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 511.195453][ T10] ___sys_sendmsg+0xee/0x170 [ 511.195453][ T10] __sys_sendmsg+0xcd/0x170 [ 511.195453][ T10] do_syscall_64+0xc6/0x1e0 [ 511.195453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 511.195453][ T10] [ 511.197533][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 511.197533][ T10] netdev_get_by_index+0x5e/0x80 [ 511.197533][ T10] fib6_nh_init+0x3d8/0x1580 [ 511.197533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 511.197533][ T10] addrconf_f6i_alloc+0x315/0x560 [ 511.197533][ T10] ipv6_add_addr+0x411/0x2000 [ 511.197533][ T10] inet6_addr_add+0x30e/0xa40 [ 511.197533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 511.197533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.197533][ T10] netlink_rcv_skb+0x130/0x360 [ 511.197533][ T10] netlink_unicast+0x449/0x710 [ 511.197533][ T10] netlink_sendmsg+0x723/0xbe0 [ 511.197533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 511.197533][ T10] ___sys_sendmsg+0xee/0x170 [ 511.197533][ T10] __sys_sendmsg+0xcd/0x170 [ 511.197533][ T10] do_syscall_64+0xc6/0x1e0 [ 511.197533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 511.197533][ T10] [ 511.199536][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 511.199536][ T10] netdev_get_by_index+0x5e/0x80 [ 511.199536][ T10] fib6_nh_init+0x3d8/0x1580 [ 511.199536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 511.199536][ T10] ip6_route_add+0x1c/0x140 [ 511.199536][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 511.199536][ T10] addrconf_add_dev+0xe2/0x170 [ 511.199536][ T10] inet6_addr_add+0x12f/0xa40 [ 511.199536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 511.199536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.199536][ T10] netlink_rcv_skb+0x130/0x360 [ 511.199536][ T10] netlink_unicast+0x449/0x710 [ 511.199536][ T10] netlink_sendmsg+0x723/0xbe0 [ 511.199536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 511.199536][ T10] ___sys_sendmsg+0xee/0x170 [ 511.199536][ T10] __sys_sendmsg+0xcd/0x170 [ 511.199536][ T10] do_syscall_64+0xc6/0x1e0 [ 511.199536][ T10] [ 511.201503][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 511.201503][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 511.201503][ T10] ipv6_find_idev+0x102/0x170 [ 511.201503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 511.201503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.201503][ T10] netlink_rcv_skb+0x130/0x360 [ 511.201503][ T10] netlink_unicast+0x449/0x710 [ 511.201503][ T10] netlink_sendmsg+0x723/0xbe0 [ 511.201503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 511.201503][ T10] ___sys_sendmsg+0xee/0x170 [ 511.201503][ T10] __sys_sendmsg+0xcd/0x170 [ 511.201503][ T10] do_syscall_64+0xc6/0x1e0 [ 511.201503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 511.201503][ T10] [ 511.203039][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 511.203039][ T10] neigh_parms_alloc+0x1e5/0x510 [ 511.203039][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 511.203039][ T10] ipv6_find_idev+0x102/0x170 [ 511.203039][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 511.203039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.203039][ T10] netlink_rcv_skb+0x130/0x360 [ 511.203039][ T10] netlink_unicast+0x449/0x710 [ 511.203039][ T10] netlink_sendmsg+0x723/0xbe0 [ 511.203039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 511.203039][ T10] ___sys_sendmsg+0xee/0x170 [ 511.203039][ T10] __sys_sendmsg+0xcd/0x170 [ 511.203039][ T10] do_syscall_64+0xc6/0x1e0 [ 511.203039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 511.203039][ T10] [ 511.204735][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 511.205004][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 511.205004][ T10] netdev_get_by_index+0x5e/0x80 [ 511.205004][ T10] fib6_nh_init+0x3d8/0x1580 [ 511.205004][ T10] ip6_route_info_create+0xf18/0x17d0 [ 511.205004][ T10] addrconf_f6i_alloc+0x265/0x560 [ 511.205004][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 511.205004][ T10] addrconf_join_anycast+0x1c0/0x220 [ 511.205004][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 511.205004][ T10] addrconf_dad_completed+0x12b/0xe20 [ 511.205004][ T10] addrconf_dad_begin+0x310/0x670 [ 511.205004][ T10] addrconf_dad_work+0x10b/0xab0 [ 511.205004][ T10] process_one_work+0x84d/0x18a0 [ 511.205004][ T10] worker_thread+0x587/0xd30 [ 511.205004][ T10] kthread+0x28a/0x350 [ 511.205004][ T10] ret_from_fork+0x31/0x70 [ 511.205004][ T10] ret_from_fork_asm+0x1a/0x30 [ 511.205004][ T10] [ 511.207032][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 511.207032][ T10] netdev_get_by_index+0x5e/0x80 [ 511.207032][ T10] fib6_nh_init+0x3d8/0x1580 [ 511.207032][ T10] ip6_route_info_create+0xf18/0x17d0 [ 511.207032][ T10] ip6_route_add+0x1c/0x140 [ 511.207032][ T10] addrconf_prefix_route+0x2a6/0x430 [ 511.207032][ T10] inet6_addr_add+0x4f8/0xa40 [ 511.207032][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 511.207032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.207032][ T10] netlink_rcv_skb+0x130/0x360 [ 511.207032][ T10] netlink_unicast+0x449/0x710 [ 511.207032][ T10] netlink_sendmsg+0x723/0xbe0 [ 511.207032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 511.207032][ T10] ___sys_sendmsg+0xee/0x170 [ 511.207032][ T10] __sys_sendmsg+0xcd/0x170 [ 511.207032][ T10] do_syscall_64+0xc6/0x1e0 [ 511.207032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 511.207032][ T10] [ 511.209138][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 511.209138][ T10] netdev_get_by_index+0x5e/0x80 [ 511.209138][ T10] fib6_nh_init+0x3d8/0x1580 [ 511.209138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 511.209138][ T10] addrconf_f6i_alloc+0x315/0x560 [ 511.209138][ T10] ipv6_add_addr+0x411/0x2000 [ 511.209138][ T10] inet6_addr_add+0x30e/0xa40 [ 511.209138][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 511.209138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.209138][ T10] netlink_rcv_skb+0x130/0x360 [ 511.209138][ T10] netlink_unicast+0x449/0x710 [ 511.209138][ T10] netlink_sendmsg+0x723/0xbe0 [ 511.209138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 511.209138][ T10] ___sys_sendmsg+0xee/0x170 [ 511.209138][ T10] __sys_sendmsg+0xcd/0x170 [ 511.209138][ T10] do_syscall_64+0xc6/0x1e0 [ 511.209138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 511.209138][ T10] [ 511.211208][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 511.211208][ T10] netdev_get_by_index+0x5e/0x80 [ 511.211208][ T10] fib6_nh_init+0x3d8/0x1580 [ 511.211208][ T10] ip6_route_info_create+0xf18/0x17d0 [ 511.211208][ T10] ip6_route_add+0x1c/0x140 [ 511.211208][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 511.211208][ T10] addrconf_add_dev+0xe2/0x170 [ 511.211208][ T10] inet6_addr_add+0x12f/0xa40 [ 511.211208][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 511.211208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.211208][ T10] netlink_rcv_skb+0x130/0x360 [ 511.211208][ T10] netlink_unicast+0x449/0x710 [ 511.211208][ T10] netlink_sendmsg+0x723/0xbe0 [ 511.211208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 511.211208][ T10] ___sys_sendmsg+0xee/0x170 [ 511.211208][ T10] __sys_sendmsg+0xcd/0x170 [ 511.211208][ T10] do_syscall_64+0xc6/0x1e0 [ 511.211208][ T10] [ 511.213254][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 511.213254][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 511.213254][ T10] ipv6_find_idev+0x102/0x170 [ 511.213254][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 511.213254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.213254][ T10] netlink_rcv_skb+0x130/0x360 [ 511.213254][ T10] netlink_unicast+0x449/0x710 [ 511.213254][ T10] netlink_sendmsg+0x723/0xbe0 [ 511.213254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 511.213254][ T10] ___sys_sendmsg+0xee/0x170 [ 511.213254][ T10] __sys_sendmsg+0xcd/0x170 [ 511.213254][ T10] do_syscall_64+0xc6/0x1e0 [ 511.213254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 511.213254][ T10] [ 511.214858][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 511.214858][ T10] neigh_parms_alloc+0x1e5/0x510 [ 511.214858][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 511.214858][ T10] ipv6_find_idev+0x102/0x170 [ 511.214858][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 511.214858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.214858][ T10] netlink_rcv_skb+0x130/0x360 [ 511.214858][ T10] netlink_unicast+0x449/0x710 [ 511.214858][ T10] netlink_sendmsg+0x723/0xbe0 [ 511.214858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 511.214858][ T10] ___sys_sendmsg+0xee/0x170 [ 511.214858][ T10] __sys_sendmsg+0xcd/0x170 [ 511.214858][ T10] do_syscall_64+0xc6/0x1e0 [ 511.214858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 511.214858][ T10] [ 511.216631][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 511.216897][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 511.216897][ T10] netdev_get_by_index+0x5e/0x80 [ 511.216897][ T10] fib6_nh_init+0x3d8/0x1580 [ 511.216897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 511.216897][ T10] addrconf_f6i_alloc+0x265/0x560 [ 511.216897][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 511.216897][ T10] addrconf_join_anycast+0x1c0/0x220 [ 511.216897][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 511.216897][ T10] addrconf_dad_completed+0x12b/0xe20 [ 511.216897][ T10] addrconf_dad_begin+0x310/0x670 [ 511.216897][ T10] addrconf_dad_work+0x10b/0xab0 [ 511.216897][ T10] process_one_work+0x84d/0x18a0 [ 511.216897][ T10] worker_thread+0x587/0xd30 [ 511.216897][ T10] kthread+0x28a/0x350 [ 511.216897][ T10] ret_from_fork+0x31/0x70 [ 511.216897][ T10] ret_from_fork_asm+0x1a/0x30 [ 511.216897][ T10] [ 511.218887][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 511.218887][ T10] netdev_get_by_index+0x5e/0x80 [ 511.218887][ T10] fib6_nh_init+0x3d8/0x1580 [ 511.218887][ T10] ip6_route_info_create+0xf18/0x17d0 [ 511.218887][ T10] ip6_route_add+0x1c/0x140 [ 511.218887][ T10] addrconf_prefix_route+0x2a6/0x430 [ 511.218887][ T10] inet6_addr_add+0x4f8/0xa40 [ 511.218887][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 511.218887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.218887][ T10] netlink_rcv_skb+0x130/0x360 [ 511.218887][ T10] netlink_unicast+0x449/0x710 [ 511.218887][ T10] netlink_sendmsg+0x723/0xbe0 [ 511.218887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 511.218887][ T10] ___sys_sendmsg+0xee/0x170 [ 511.218887][ T10] __sys_sendmsg+0xcd/0x170 [ 511.218887][ T10] do_syscall_64+0xc6/0x1e0 [ 511.218887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 511.218887][ T10] [ 511.221136][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 511.221136][ T10] netdev_get_by_index+0x5e/0x80 [ 511.221136][ T10] fib6_nh_init+0x3d8/0x1580 [ 511.221136][ T10] ip6_route_info_create+0xf18/0x17d0 [ 511.221136][ T10] addrconf_f6i_alloc+0x315/0x560 [ 511.221136][ T10] ipv6_add_addr+0x411/0x2000 [ 511.221136][ T10] inet6_addr_add+0x30e/0xa40 [ 511.221136][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 511.221136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.221136][ T10] netlink_rcv_skb+0x130/0x360 [ 511.221136][ T10] netlink_unicast+0x449/0x710 [ 511.221136][ T10] netlink_sendmsg+0x723/0xbe0 [ 511.221136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 511.221136][ T10] ___sys_sendmsg+0xee/0x170 [ 511.221136][ T10] __sys_sendmsg+0xcd/0x170 [ 511.221136][ T10] do_syscall_64+0xc6/0x1e0 [ 511.221136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 511.221136][ T10] [ 511.223495][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 511.223495][ T10] netdev_get_by_index+0x5e/0x80 [ 511.223495][ T10] fib6_nh_init+0x3d8/0x1580 [ 511.223495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 511.223495][ T10] ip6_route_add+0x1c/0x140 [ 511.223495][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 511.223495][ T10] addrconf_add_dev+0xe2/0x170 [ 511.223495][ T10] inet6_addr_add+0x12f/0xa40 [ 511.223495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 511.223495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.223495][ T10] netlink_rcv_skb+0x130/0x360 [ 511.223495][ T10] netlink_unicast+0x449/0x710 [ 511.223495][ T10] netlink_sendmsg+0x723/0xbe0 [ 511.223495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 511.223495][ T10] ___sys_sendmsg+0xee/0x170 [ 511.223495][ T10] __sys_sendmsg+0xcd/0x170 [ 511.223495][ T10] do_syscall_64+0xc6/0x1e0 [ 511.223495][ T10] [ 511.225822][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 511.225822][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 511.225822][ T10] ipv6_find_idev+0x102/0x170 [ 511.225822][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 511.225822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.225822][ T10] netlink_rcv_skb+0x130/0x360 [ 511.225822][ T10] netlink_unicast+0x449/0x710 [ 511.225822][ T10] netlink_sendmsg+0x723/0xbe0 [ 511.225822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 511.225822][ T10] ___sys_sendmsg+0xee/0x170 [ 511.225822][ T10] __sys_sendmsg+0xcd/0x170 [ 511.225822][ T10] do_syscall_64+0xc6/0x1e0 [ 511.225822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 511.225822][ T10] [ 511.227623][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 511.227623][ T10] neigh_parms_alloc+0x1e5/0x510 [ 511.227623][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 511.227623][ T10] ipv6_find_idev+0x102/0x170 [ 511.227623][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 511.227623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.227623][ T10] netlink_rcv_skb+0x130/0x360 [ 511.227623][ T10] netlink_unicast+0x449/0x710 [ 511.227623][ T10] netlink_sendmsg+0x723/0xbe0 [ 511.227623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 511.227623][ T10] ___sys_sendmsg+0xee/0x170 [ 511.227623][ T10] __sys_sendmsg+0xcd/0x170 [ 511.227623][ T10] do_syscall_64+0xc6/0x1e0 [ 511.227623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 511.227623][ T10] [ 511.229607][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 511.229865][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 511.229865][ T10] netdev_get_by_index+0x5e/0x80 [ 511.229865][ T10] fib6_nh_init+0x3d8/0x1580 [ 511.229865][ T10] ip6_route_info_create+0xf18/0x17d0 [ 511.229865][ T10] addrconf_f6i_alloc+0x265/0x560 [ 511.229865][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 511.229865][ T10] addrconf_join_anycast+0x1c0/0x220 [ 511.229865][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 511.229865][ T10] addrconf_dad_completed+0x12b/0xe20 [ 511.229865][ T10] addrconf_dad_begin+0x310/0x670 [ 511.229865][ T10] addrconf_dad_work+0x10b/0xab0 [ 511.229865][ T10] process_one_work+0x84d/0x18a0 [ 511.229865][ T10] worker_thread+0x587/0xd30 [ 511.229865][ T10] kthread+0x28a/0x350 [ 511.229865][ T10] ret_from_fork+0x31/0x70 [ 511.229865][ T10] ret_from_fork_asm+0x1a/0x30 [ 511.229865][ T10] [ 511.232164][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 511.232164][ T10] netdev_get_by_index+0x5e/0x80 [ 511.232164][ T10] fib6_nh_init+0x3d8/0x1580 [ 511.232164][ T10] ip6_route_info_create+0xf18/0x17d0 [ 511.232164][ T10] ip6_route_add+0x1c/0x140 [ 511.232164][ T10] addrconf_prefix_route+0x2a6/0x430 [ 511.232164][ T10] inet6_addr_add+0x4f8/0xa40 [ 511.232164][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 511.232164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.232164][ T10] netlink_rcv_skb+0x130/0x360 [ 511.232164][ T10] netlink_unicast+0x449/0x710 [ 511.232164][ T10] netlink_sendmsg+0x723/0xbe0 [ 511.232164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 511.232164][ T10] ___sys_sendmsg+0xee/0x170 [ 511.232164][ T10] __sys_sendmsg+0xcd/0x170 [ 511.232164][ T10] do_syscall_64+0xc6/0x1e0 [ 511.232164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 511.232164][ T10] [ 511.234416][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 511.234416][ T10] netdev_get_by_index+0x5e/0x80 [ 511.234416][ T10] fib6_nh_init+0x3d8/0x1580 [ 511.234416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 511.234416][ T10] addrconf_f6i_alloc+0x315/0x560 [ 511.234416][ T10] ipv6_add_addr+0x411/0x2000 [ 511.234416][ T10] inet6_addr_add+0x30e/0xa40 [ 511.234416][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 511.234416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.234416][ T10] netlink_rcv_skb+0x130/0x360 [ 511.234416][ T10] netlink_unicast+0x449/0x710 [ 511.234416][ T10] netlink_sendmsg+0x723/0xbe0 [ 511.234416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 511.234416][ T10] ___sys_sendmsg+0xee/0x170 [ 511.234416][ T10] __sys_sendmsg+0xcd/0x170 [ 511.234416][ T10] do_syscall_64+0xc6/0x1e0 [ 511.234416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 511.234416][ T10] [ 511.236604][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 511.236604][ T10] netdev_get_by_index+0x5e/0x80 [ 511.236604][ T10] fib6_nh_init+0x3d8/0x1580 [ 511.236604][ T10] ip6_route_info_create+0xf18/0x17d0 [ 511.236604][ T10] ip6_route_add+0x1c/0x140 [ 511.236604][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 511.236604][ T10] addrconf_add_dev+0xe2/0x170 [ 511.236604][ T10] inet6_addr_add+0x12f/0xa40 [ 511.236604][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 511.236604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.236604][ T10] netlink_rcv_skb+0x130/0x360 [ 511.236604][ T10] netlink_unicast+0x449/0x710 [ 511.236604][ T10] netlink_sendmsg+0x723/0xbe0 [ 511.236604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 511.236604][ T10] ___sys_sendmsg+0xee/0x170 [ 511.236604][ T10] __sys_sendmsg+0xcd/0x170 [ 511.236604][ T10] do_syscall_64+0xc6/0x1e0 [ 511.236604][ T10] [ 511.238821][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 511.238821][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 511.238821][ T10] ipv6_find_idev+0x102/0x170 [ 511.238821][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 511.238821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.238821][ T10] netlink_rcv_skb+0x130/0x360 [ 511.238821][ T10] netlink_unicast+0x449/0x710 [ 511.238821][ T10] netlink_sendmsg+0x723/0xbe0 [ 511.238821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 511.238821][ T10] ___sys_sendmsg+0xee/0x170 [ 511.238821][ T10] __sys_sendmsg+0xcd/0x170 [ 511.238821][ T10] do_syscall_64+0xc6/0x1e0 [ 511.238821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 511.238821][ T10] [ 511.240550][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 511.240550][ T10] neigh_parms_alloc+0x1e5/0x510 [ 511.240550][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 511.240550][ T10] ipv6_find_idev+0x102/0x170 [ 511.240550][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 511.240550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.240550][ T10] netlink_rcv_skb+0x130/0x360 [ 511.240550][ T10] netlink_unicast+0x449/0x710 [ 511.240550][ T10] netlink_sendmsg+0x723/0xbe0 [ 511.240550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 511.240550][ T10] ___sys_sendmsg+0xee/0x170 [ 511.240550][ T10] __sys_sendmsg+0xcd/0x170 [ 511.240550][ T10] do_syscall_64+0xc6/0x1e0 [ 511.240550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 511.240550][ T10] [ 513.177091][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 513.177539][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 513.177539][ T1167] dst_init+0x84/0x4a0 [ 513.177539][ T1167] dst_alloc+0x97/0x150 [ 513.177539][ T1167] ip6_dst_alloc+0x23/0x90 [ 513.177539][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 513.177539][ T1167] ip6_pol_route+0x56f/0x840 [ 513.177539][ T1167] fib6_rule_lookup+0x334/0x630 [ 513.177539][ T1167] ip6_route_output_flags+0x259/0x480 [ 513.177539][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 513.177539][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 513.177539][ T1167] netlink_rcv_skb+0x130/0x360 [ 513.177539][ T1167] netlink_unicast+0x449/0x710 [ 513.177539][ T1167] netlink_sendmsg+0x723/0xbe0 [ 513.177539][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 513.177539][ T1167] ___sys_sendmsg+0xee/0x170 [ 513.177539][ T1167] __sys_sendmsg+0xcd/0x170 [ 513.177539][ T1167] do_syscall_64+0xc6/0x1e0 [ 513.177539][ T1167] [ 513.179814][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 513.179814][ T1167] netdev_get_by_index+0x5e/0x80 [ 513.179814][ T1167] fib6_nh_init+0x3d8/0x1580 [ 513.179814][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 513.179814][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 513.179814][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 513.179814][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 513.179814][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 513.179814][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 513.179814][ T1167] addrconf_dad_begin+0x310/0x670 [ 513.179814][ T1167] addrconf_dad_work+0x10b/0xab0 [ 513.179814][ T1167] process_one_work+0x84d/0x18a0 [ 513.179814][ T1167] worker_thread+0x587/0xd30 [ 513.179814][ T1167] kthread+0x28a/0x350 [ 513.179814][ T1167] ret_from_fork+0x31/0x70 [ 513.179814][ T1167] ret_from_fork_asm+0x1a/0x30 [ 513.179814][ T1167] [ 513.181980][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 513.181980][ T1167] netdev_get_by_index+0x5e/0x80 [ 513.181980][ T1167] fib6_nh_init+0x3d8/0x1580 [ 513.181980][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 513.181980][ T1167] ip6_route_add+0x1c/0x140 [ 513.181980][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 513.181980][ T1167] inet6_addr_add+0x4f8/0xa40 [ 513.181980][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 513.181980][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 513.181980][ T1167] netlink_rcv_skb+0x130/0x360 [ 513.181980][ T1167] netlink_unicast+0x449/0x710 [ 513.181980][ T1167] netlink_sendmsg+0x723/0xbe0 [ 513.181980][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 513.181980][ T1167] ___sys_sendmsg+0xee/0x170 [ 513.181980][ T1167] __sys_sendmsg+0xcd/0x170 [ 513.181980][ T1167] do_syscall_64+0xc6/0x1e0 [ 513.181980][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 513.181980][ T1167] [ 513.184325][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 513.184325][ T1167] netdev_get_by_index+0x5e/0x80 [ 513.184325][ T1167] fib6_nh_init+0x3d8/0x1580 [ 513.184325][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 513.184325][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 513.184325][ T1167] ipv6_add_addr+0x411/0x2000 [ 513.184325][ T1167] inet6_addr_add+0x30e/0xa40 [ 513.184325][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 513.184325][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 513.184325][ T1167] netlink_rcv_skb+0x130/0x360 [ 513.184325][ T1167] netlink_unicast+0x449/0x710 [ 513.184325][ T1167] netlink_sendmsg+0x723/0xbe0 [ 513.184325][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 513.184325][ T1167] ___sys_sendmsg+0xee/0x170 [ 513.184325][ T1167] __sys_sendmsg+0xcd/0x170 [ 513.184325][ T1167] do_syscall_64+0xc6/0x1e0 [ 513.184325][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 513.184325][ T1167] [ 513.186611][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 513.186611][ T1167] netdev_get_by_index+0x5e/0x80 [ 513.186611][ T1167] fib6_nh_init+0x3d8/0x1580 [ 513.186611][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 513.186611][ T1167] ip6_route_add+0x1c/0x140 [ 513.186611][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 513.186611][ T1167] addrconf_add_dev+0xe2/0x170 [ 513.186611][ T1167] inet6_addr_add+0x12f/0xa40 [ 513.186611][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 513.186611][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 513.186611][ T1167] netlink_rcv_skb+0x130/0x360 [ 513.186611][ T1167] netlink_unicast+0x449/0x710 [ 513.186611][ T1167] netlink_sendmsg+0x723/0xbe0 [ 513.186611][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 513.186611][ T1167] ___sys_sendmsg+0xee/0x170 [ 513.186611][ T1167] __sys_sendmsg+0xcd/0x170 [ 513.186611][ T1167] do_syscall_64+0xc6/0x1e0 [ 513.186611][ T1167] [ 513.188957][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 513.188957][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 513.188957][ T1167] ipv6_find_idev+0x102/0x170 [ 513.188957][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 513.188957][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 513.188957][ T1167] netlink_rcv_skb+0x130/0x360 [ 513.188957][ T1167] netlink_unicast+0x449/0x710 [ 513.188957][ T1167] netlink_sendmsg+0x723/0xbe0 [ 513.188957][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 513.188957][ T1167] ___sys_sendmsg+0xee/0x170 [ 513.188957][ T1167] __sys_sendmsg+0xcd/0x170 [ 513.188957][ T1167] do_syscall_64+0xc6/0x1e0 [ 513.188957][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 513.188957][ T1167] [ 513.190794][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 513.190794][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 513.190794][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 513.190794][ T1167] ipv6_find_idev+0x102/0x170 [ 513.190794][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 513.190794][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 513.190794][ T1167] netlink_rcv_skb+0x130/0x360 [ 513.190794][ T1167] netlink_unicast+0x449/0x710 [ 513.190794][ T1167] netlink_sendmsg+0x723/0xbe0 [ 513.190794][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 513.190794][ T1167] ___sys_sendmsg+0xee/0x170 [ 513.190794][ T1167] __sys_sendmsg+0xcd/0x170 [ 513.190794][ T1167] do_syscall_64+0xc6/0x1e0 [ 513.190794][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 513.190794][ T1167] [ 521.481106][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 521.481528][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 521.481528][ T10] netdev_get_by_index+0x5e/0x80 [ 521.481528][ T10] fib6_nh_init+0x3d8/0x1580 [ 521.481528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 521.481528][ T10] addrconf_f6i_alloc+0x265/0x560 [ 521.481528][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 521.481528][ T10] addrconf_join_anycast+0x1c0/0x220 [ 521.481528][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 521.481528][ T10] addrconf_dad_completed+0x12b/0xe20 [ 521.481528][ T10] addrconf_dad_begin+0x310/0x670 [ 521.481528][ T10] addrconf_dad_work+0x10b/0xab0 [ 521.481528][ T10] process_one_work+0x84d/0x18a0 [ 521.481528][ T10] worker_thread+0x587/0xd30 [ 521.481528][ T10] kthread+0x28a/0x350 [ 521.481528][ T10] ret_from_fork+0x31/0x70 [ 521.481528][ T10] ret_from_fork_asm+0x1a/0x30 [ 521.481528][ T10] [ 521.483709][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 521.483709][ T10] netdev_get_by_index+0x5e/0x80 [ 521.483709][ T10] fib6_nh_init+0x3d8/0x1580 [ 521.483709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 521.483709][ T10] ip6_route_add+0x1c/0x140 [ 521.483709][ T10] addrconf_prefix_route+0x2a6/0x430 [ 521.483709][ T10] inet6_addr_add+0x4f8/0xa40 [ 521.483709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 521.483709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.483709][ T10] netlink_rcv_skb+0x130/0x360 [ 521.483709][ T10] netlink_unicast+0x449/0x710 [ 521.483709][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.483709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.483709][ T10] ___sys_sendmsg+0xee/0x170 [ 521.483709][ T10] __sys_sendmsg+0xcd/0x170 [ 521.483709][ T10] do_syscall_64+0xc6/0x1e0 [ 521.483709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.483709][ T10] [ 521.486036][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 521.486036][ T10] netdev_get_by_index+0x5e/0x80 [ 521.486036][ T10] fib6_nh_init+0x3d8/0x1580 [ 521.486036][ T10] ip6_route_info_create+0xf18/0x17d0 [ 521.486036][ T10] addrconf_f6i_alloc+0x315/0x560 [ 521.486036][ T10] ipv6_add_addr+0x411/0x2000 [ 521.486036][ T10] inet6_addr_add+0x30e/0xa40 [ 521.486036][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 521.486036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.486036][ T10] netlink_rcv_skb+0x130/0x360 [ 521.486036][ T10] netlink_unicast+0x449/0x710 [ 521.486036][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.486036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.486036][ T10] ___sys_sendmsg+0xee/0x170 [ 521.486036][ T10] __sys_sendmsg+0xcd/0x170 [ 521.486036][ T10] do_syscall_64+0xc6/0x1e0 [ 521.486036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.486036][ T10] [ 521.488280][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 521.488280][ T10] netdev_get_by_index+0x5e/0x80 [ 521.488280][ T10] fib6_nh_init+0x3d8/0x1580 [ 521.488280][ T10] ip6_route_info_create+0xf18/0x17d0 [ 521.488280][ T10] ip6_route_add+0x1c/0x140 [ 521.488280][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 521.488280][ T10] addrconf_add_dev+0xe2/0x170 [ 521.488280][ T10] inet6_addr_add+0x12f/0xa40 [ 521.488280][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 521.488280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.488280][ T10] netlink_rcv_skb+0x130/0x360 [ 521.488280][ T10] netlink_unicast+0x449/0x710 [ 521.488280][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.488280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.488280][ T10] ___sys_sendmsg+0xee/0x170 [ 521.488280][ T10] __sys_sendmsg+0xcd/0x170 [ 521.488280][ T10] do_syscall_64+0xc6/0x1e0 [ 521.488280][ T10] [ 521.490549][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 521.490549][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 521.490549][ T10] ipv6_find_idev+0x102/0x170 [ 521.490549][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 521.490549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.490549][ T10] netlink_rcv_skb+0x130/0x360 [ 521.490549][ T10] netlink_unicast+0x449/0x710 [ 521.490549][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.490549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.490549][ T10] ___sys_sendmsg+0xee/0x170 [ 521.490549][ T10] __sys_sendmsg+0xcd/0x170 [ 521.490549][ T10] do_syscall_64+0xc6/0x1e0 [ 521.490549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.490549][ T10] [ 521.492343][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 521.492343][ T10] neigh_parms_alloc+0x1e5/0x510 [ 521.492343][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 521.492343][ T10] ipv6_find_idev+0x102/0x170 [ 521.492343][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 521.492343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.492343][ T10] netlink_rcv_skb+0x130/0x360 [ 521.492343][ T10] netlink_unicast+0x449/0x710 [ 521.492343][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.492343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.492343][ T10] ___sys_sendmsg+0xee/0x170 [ 521.492343][ T10] __sys_sendmsg+0xcd/0x170 [ 521.492343][ T10] do_syscall_64+0xc6/0x1e0 [ 521.492343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.492343][ T10] [ 521.494249][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 521.494522][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 521.494522][ T10] netdev_get_by_index+0x5e/0x80 [ 521.494522][ T10] fib6_nh_init+0x3d8/0x1580 [ 521.494522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 521.494522][ T10] addrconf_f6i_alloc+0x265/0x560 [ 521.494522][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 521.494522][ T10] addrconf_join_anycast+0x1c0/0x220 [ 521.494522][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 521.494522][ T10] addrconf_dad_completed+0x12b/0xe20 [ 521.494522][ T10] addrconf_dad_begin+0x310/0x670 [ 521.494522][ T10] addrconf_dad_work+0x10b/0xab0 [ 521.494522][ T10] process_one_work+0x84d/0x18a0 [ 521.494522][ T10] worker_thread+0x587/0xd30 [ 521.494522][ T10] kthread+0x28a/0x350 [ 521.494522][ T10] ret_from_fork+0x31/0x70 [ 521.494522][ T10] ret_from_fork_asm+0x1a/0x30 [ 521.494522][ T10] [ 521.496565][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 521.496565][ T10] netdev_get_by_index+0x5e/0x80 [ 521.496565][ T10] fib6_nh_init+0x3d8/0x1580 [ 521.496565][ T10] ip6_route_info_create+0xf18/0x17d0 [ 521.496565][ T10] ip6_route_add+0x1c/0x140 [ 521.496565][ T10] addrconf_prefix_route+0x2a6/0x430 [ 521.496565][ T10] inet6_addr_add+0x4f8/0xa40 [ 521.496565][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 521.496565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.496565][ T10] netlink_rcv_skb+0x130/0x360 [ 521.496565][ T10] netlink_unicast+0x449/0x710 [ 521.496565][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.496565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.496565][ T10] ___sys_sendmsg+0xee/0x170 [ 521.496565][ T10] __sys_sendmsg+0xcd/0x170 [ 521.496565][ T10] do_syscall_64+0xc6/0x1e0 [ 521.496565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.496565][ T10] [ 521.498614][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 521.498614][ T10] netdev_get_by_index+0x5e/0x80 [ 521.498614][ T10] fib6_nh_init+0x3d8/0x1580 [ 521.498614][ T10] ip6_route_info_create+0xf18/0x17d0 [ 521.498614][ T10] addrconf_f6i_alloc+0x315/0x560 [ 521.498614][ T10] ipv6_add_addr+0x411/0x2000 [ 521.498614][ T10] inet6_addr_add+0x30e/0xa40 [ 521.498614][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 521.498614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.498614][ T10] netlink_rcv_skb+0x130/0x360 [ 521.498614][ T10] netlink_unicast+0x449/0x710 [ 521.498614][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.498614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.498614][ T10] ___sys_sendmsg+0xee/0x170 [ 521.498614][ T10] __sys_sendmsg+0xcd/0x170 [ 521.498614][ T10] do_syscall_64+0xc6/0x1e0 [ 521.498614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.498614][ T10] [ 521.500670][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 521.500670][ T10] netdev_get_by_index+0x5e/0x80 [ 521.500670][ T10] fib6_nh_init+0x3d8/0x1580 [ 521.500670][ T10] ip6_route_info_create+0xf18/0x17d0 [ 521.500670][ T10] ip6_route_add+0x1c/0x140 [ 521.500670][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 521.500670][ T10] addrconf_add_dev+0xe2/0x170 [ 521.500670][ T10] inet6_addr_add+0x12f/0xa40 [ 521.500670][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 521.500670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.500670][ T10] netlink_rcv_skb+0x130/0x360 [ 521.500670][ T10] netlink_unicast+0x449/0x710 [ 521.500670][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.500670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.500670][ T10] ___sys_sendmsg+0xee/0x170 [ 521.500670][ T10] __sys_sendmsg+0xcd/0x170 [ 521.500670][ T10] do_syscall_64+0xc6/0x1e0 [ 521.500670][ T10] [ 521.502685][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 521.502685][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 521.502685][ T10] ipv6_find_idev+0x102/0x170 [ 521.502685][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 521.502685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.502685][ T10] netlink_rcv_skb+0x130/0x360 [ 521.502685][ T10] netlink_unicast+0x449/0x710 [ 521.502685][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.502685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.502685][ T10] ___sys_sendmsg+0xee/0x170 [ 521.502685][ T10] __sys_sendmsg+0xcd/0x170 [ 521.502685][ T10] do_syscall_64+0xc6/0x1e0 [ 521.502685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.502685][ T10] [ 521.504261][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 521.504261][ T10] neigh_parms_alloc+0x1e5/0x510 [ 521.504261][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 521.504261][ T10] ipv6_find_idev+0x102/0x170 [ 521.504261][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 521.504261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.504261][ T10] netlink_rcv_skb+0x130/0x360 [ 521.504261][ T10] netlink_unicast+0x449/0x710 [ 521.504261][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.504261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.504261][ T10] ___sys_sendmsg+0xee/0x170 [ 521.504261][ T10] __sys_sendmsg+0xcd/0x170 [ 521.504261][ T10] do_syscall_64+0xc6/0x1e0 [ 521.504261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.504261][ T10] [ 521.506036][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 521.506287][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 521.506287][ T10] netdev_get_by_index+0x5e/0x80 [ 521.506287][ T10] fib6_nh_init+0x3d8/0x1580 [ 521.506287][ T10] ip6_route_info_create+0xf18/0x17d0 [ 521.506287][ T10] addrconf_f6i_alloc+0x265/0x560 [ 521.506287][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 521.506287][ T10] addrconf_join_anycast+0x1c0/0x220 [ 521.506287][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 521.506287][ T10] addrconf_dad_completed+0x12b/0xe20 [ 521.506287][ T10] addrconf_dad_begin+0x310/0x670 [ 521.506287][ T10] addrconf_dad_work+0x10b/0xab0 [ 521.506287][ T10] process_one_work+0x84d/0x18a0 [ 521.506287][ T10] worker_thread+0x587/0xd30 [ 521.506287][ T10] kthread+0x28a/0x350 [ 521.506287][ T10] ret_from_fork+0x31/0x70 [ 521.506287][ T10] ret_from_fork_asm+0x1a/0x30 [ 521.506287][ T10] [ 521.508231][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 521.508231][ T10] netdev_get_by_index+0x5e/0x80 [ 521.508231][ T10] fib6_nh_init+0x3d8/0x1580 [ 521.508231][ T10] ip6_route_info_create+0xf18/0x17d0 [ 521.508231][ T10] ip6_route_add+0x1c/0x140 [ 521.508231][ T10] addrconf_prefix_route+0x2a6/0x430 [ 521.508231][ T10] inet6_addr_add+0x4f8/0xa40 [ 521.508231][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 521.508231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.508231][ T10] netlink_rcv_skb+0x130/0x360 [ 521.508231][ T10] netlink_unicast+0x449/0x710 [ 521.508231][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.508231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.508231][ T10] ___sys_sendmsg+0xee/0x170 [ 521.508231][ T10] __sys_sendmsg+0xcd/0x170 [ 521.508231][ T10] do_syscall_64+0xc6/0x1e0 [ 521.508231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.508231][ T10] [ 521.510435][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 521.510435][ T10] netdev_get_by_index+0x5e/0x80 [ 521.510435][ T10] fib6_nh_init+0x3d8/0x1580 [ 521.510435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 521.510435][ T10] addrconf_f6i_alloc+0x315/0x560 [ 521.510435][ T10] ipv6_add_addr+0x411/0x2000 [ 521.510435][ T10] inet6_addr_add+0x30e/0xa40 [ 521.510435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 521.510435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.510435][ T10] netlink_rcv_skb+0x130/0x360 [ 521.510435][ T10] netlink_unicast+0x449/0x710 [ 521.510435][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.510435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.510435][ T10] ___sys_sendmsg+0xee/0x170 [ 521.510435][ T10] __sys_sendmsg+0xcd/0x170 [ 521.510435][ T10] do_syscall_64+0xc6/0x1e0 [ 521.510435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.510435][ T10] [ 521.512770][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 521.512770][ T10] netdev_get_by_index+0x5e/0x80 [ 521.512770][ T10] fib6_nh_init+0x3d8/0x1580 [ 521.512770][ T10] ip6_route_info_create+0xf18/0x17d0 [ 521.512770][ T10] ip6_route_add+0x1c/0x140 [ 521.512770][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 521.512770][ T10] addrconf_add_dev+0xe2/0x170 [ 521.512770][ T10] inet6_addr_add+0x12f/0xa40 [ 521.512770][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 521.512770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.512770][ T10] netlink_rcv_skb+0x130/0x360 [ 521.512770][ T10] netlink_unicast+0x449/0x710 [ 521.512770][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.512770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.512770][ T10] ___sys_sendmsg+0xee/0x170 [ 521.512770][ T10] __sys_sendmsg+0xcd/0x170 [ 521.512770][ T10] do_syscall_64+0xc6/0x1e0 [ 521.512770][ T10] [ 521.515032][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 521.515032][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 521.515032][ T10] ipv6_find_idev+0x102/0x170 [ 521.515032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 521.515032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.515032][ T10] netlink_rcv_skb+0x130/0x360 [ 521.515032][ T10] netlink_unicast+0x449/0x710 [ 521.515032][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.515032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.515032][ T10] ___sys_sendmsg+0xee/0x170 [ 521.515032][ T10] __sys_sendmsg+0xcd/0x170 [ 521.515032][ T10] do_syscall_64+0xc6/0x1e0 [ 521.515032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.515032][ T10] [ 521.516738][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 521.516738][ T10] neigh_parms_alloc+0x1e5/0x510 [ 521.516738][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 521.516738][ T10] ipv6_find_idev+0x102/0x170 [ 521.516738][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 521.516738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.516738][ T10] netlink_rcv_skb+0x130/0x360 [ 521.516738][ T10] netlink_unicast+0x449/0x710 [ 521.516738][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.516738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.516738][ T10] ___sys_sendmsg+0xee/0x170 [ 521.516738][ T10] __sys_sendmsg+0xcd/0x170 [ 521.516738][ T10] do_syscall_64+0xc6/0x1e0 [ 521.516738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.516738][ T10] [ 521.518716][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 521.518973][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 521.518973][ T10] netdev_get_by_index+0x5e/0x80 [ 521.518973][ T10] fib6_nh_init+0x3d8/0x1580 [ 521.518973][ T10] ip6_route_info_create+0xf18/0x17d0 [ 521.518973][ T10] addrconf_f6i_alloc+0x265/0x560 [ 521.518973][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 521.518973][ T10] addrconf_join_anycast+0x1c0/0x220 [ 521.518973][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 521.518973][ T10] addrconf_dad_completed+0x12b/0xe20 [ 521.518973][ T10] addrconf_dad_begin+0x310/0x670 [ 521.518973][ T10] addrconf_dad_work+0x10b/0xab0 [ 521.518973][ T10] process_one_work+0x84d/0x18a0 [ 521.518973][ T10] worker_thread+0x587/0xd30 [ 521.518973][ T10] kthread+0x28a/0x350 [ 521.518973][ T10] ret_from_fork+0x31/0x70 [ 521.518973][ T10] ret_from_fork_asm+0x1a/0x30 [ 521.518973][ T10] [ 521.521244][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 521.521244][ T10] netdev_get_by_index+0x5e/0x80 [ 521.521244][ T10] fib6_nh_init+0x3d8/0x1580 [ 521.521244][ T10] ip6_route_info_create+0xf18/0x17d0 [ 521.521244][ T10] ip6_route_add+0x1c/0x140 [ 521.521244][ T10] addrconf_prefix_route+0x2a6/0x430 [ 521.521244][ T10] inet6_addr_add+0x4f8/0xa40 [ 521.521244][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 521.521244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.521244][ T10] netlink_rcv_skb+0x130/0x360 [ 521.521244][ T10] netlink_unicast+0x449/0x710 [ 521.521244][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.521244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.521244][ T10] ___sys_sendmsg+0xee/0x170 [ 521.521244][ T10] __sys_sendmsg+0xcd/0x170 [ 521.521244][ T10] do_syscall_64+0xc6/0x1e0 [ 521.521244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.521244][ T10] [ 521.523451][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 521.523451][ T10] netdev_get_by_index+0x5e/0x80 [ 521.523451][ T10] fib6_nh_init+0x3d8/0x1580 [ 521.523451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 521.523451][ T10] addrconf_f6i_alloc+0x315/0x560 [ 521.523451][ T10] ipv6_add_addr+0x411/0x2000 [ 521.523451][ T10] inet6_addr_add+0x30e/0xa40 [ 521.523451][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 521.523451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.523451][ T10] netlink_rcv_skb+0x130/0x360 [ 521.523451][ T10] netlink_unicast+0x449/0x710 [ 521.523451][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.523451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.523451][ T10] ___sys_sendmsg+0xee/0x170 [ 521.523451][ T10] __sys_sendmsg+0xcd/0x170 [ 521.523451][ T10] do_syscall_64+0xc6/0x1e0 [ 521.523451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.523451][ T10] [ 521.525572][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 521.525572][ T10] netdev_get_by_index+0x5e/0x80 [ 521.525572][ T10] fib6_nh_init+0x3d8/0x1580 [ 521.525572][ T10] ip6_route_info_create+0xf18/0x17d0 [ 521.525572][ T10] ip6_route_add+0x1c/0x140 [ 521.525572][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 521.525572][ T10] addrconf_add_dev+0xe2/0x170 [ 521.525572][ T10] inet6_addr_add+0x12f/0xa40 [ 521.525572][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 521.525572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.525572][ T10] netlink_rcv_skb+0x130/0x360 [ 521.525572][ T10] netlink_unicast+0x449/0x710 [ 521.525572][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.525572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.525572][ T10] ___sys_sendmsg+0xee/0x170 [ 521.525572][ T10] __sys_sendmsg+0xcd/0x170 [ 521.525572][ T10] do_syscall_64+0xc6/0x1e0 [ 521.525572][ T10] [ 521.527709][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 521.527709][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 521.527709][ T10] ipv6_find_idev+0x102/0x170 [ 521.527709][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 521.527709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.527709][ T10] netlink_rcv_skb+0x130/0x360 [ 521.527709][ T10] netlink_unicast+0x449/0x710 [ 521.527709][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.527709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.527709][ T10] ___sys_sendmsg+0xee/0x170 [ 521.527709][ T10] __sys_sendmsg+0xcd/0x170 [ 521.527709][ T10] do_syscall_64+0xc6/0x1e0 [ 521.527709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.527709][ T10] [ 521.529410][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 521.529410][ T10] neigh_parms_alloc+0x1e5/0x510 [ 521.529410][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 521.529410][ T10] ipv6_find_idev+0x102/0x170 [ 521.529410][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 521.529410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 521.529410][ T10] netlink_rcv_skb+0x130/0x360 [ 521.529410][ T10] netlink_unicast+0x449/0x710 [ 521.529410][ T10] netlink_sendmsg+0x723/0xbe0 [ 521.529410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 521.529410][ T10] ___sys_sendmsg+0xee/0x170 [ 521.529410][ T10] __sys_sendmsg+0xcd/0x170 [ 521.529410][ T10] do_syscall_64+0xc6/0x1e0 [ 521.529410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 521.529410][ T10] [ 523.433105][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 523.433739][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 523.433739][ T1167] dst_init+0x84/0x4a0 [ 523.433739][ T1167] dst_alloc+0x97/0x150 [ 523.433739][ T1167] ip6_dst_alloc+0x23/0x90 [ 523.433739][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 523.433739][ T1167] ip6_pol_route+0x56f/0x840 [ 523.433739][ T1167] fib6_rule_lookup+0x334/0x630 [ 523.433739][ T1167] ip6_route_output_flags+0x259/0x480 [ 523.433739][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 523.433739][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 523.433739][ T1167] netlink_rcv_skb+0x130/0x360 [ 523.433739][ T1167] netlink_unicast+0x449/0x710 [ 523.433739][ T1167] netlink_sendmsg+0x723/0xbe0 [ 523.433739][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 523.433739][ T1167] ___sys_sendmsg+0xee/0x170 [ 523.433739][ T1167] __sys_sendmsg+0xcd/0x170 [ 523.433739][ T1167] do_syscall_64+0xc6/0x1e0 [ 523.433739][ T1167] [ 523.437473][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 523.437473][ T1167] netdev_get_by_index+0x5e/0x80 [ 523.437473][ T1167] fib6_nh_init+0x3d8/0x1580 [ 523.437473][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 523.437473][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 523.437473][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 523.437473][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 523.437473][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 523.437473][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 523.437473][ T1167] addrconf_dad_begin+0x310/0x670 [ 523.437473][ T1167] addrconf_dad_work+0x10b/0xab0 [ 523.437473][ T1167] process_one_work+0x84d/0x18a0 [ 523.437473][ T1167] worker_thread+0x587/0xd30 [ 523.437473][ T1167] kthread+0x28a/0x350 [ 523.437473][ T1167] ret_from_fork+0x31/0x70 [ 523.437473][ T1167] ret_from_fork_asm+0x1a/0x30 [ 523.437473][ T1167] [ 523.440723][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 523.440723][ T1167] netdev_get_by_index+0x5e/0x80 [ 523.440723][ T1167] fib6_nh_init+0x3d8/0x1580 [ 523.440723][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 523.440723][ T1167] ip6_route_add+0x1c/0x140 [ 523.440723][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 523.440723][ T1167] inet6_addr_add+0x4f8/0xa40 [ 523.440723][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 523.440723][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.440723][ T1167] netlink_rcv_skb+0x130/0x360 [ 523.440723][ T1167] netlink_unicast+0x449/0x710 [ 523.440723][ T1167] netlink_sendmsg+0x723/0xbe0 [ 523.440723][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 523.440723][ T1167] ___sys_sendmsg+0xee/0x170 [ 523.440723][ T1167] __sys_sendmsg+0xcd/0x170 [ 523.440723][ T1167] do_syscall_64+0xc6/0x1e0 [ 523.440723][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.440723][ T1167] [ 523.444125][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 523.444125][ T1167] netdev_get_by_index+0x5e/0x80 [ 523.444125][ T1167] fib6_nh_init+0x3d8/0x1580 [ 523.444125][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 523.444125][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 523.444125][ T1167] ipv6_add_addr+0x411/0x2000 [ 523.444125][ T1167] inet6_addr_add+0x30e/0xa40 [ 523.444125][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 523.444125][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.444125][ T1167] netlink_rcv_skb+0x130/0x360 [ 523.444125][ T1167] netlink_unicast+0x449/0x710 [ 523.444125][ T1167] netlink_sendmsg+0x723/0xbe0 [ 523.444125][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 523.444125][ T1167] ___sys_sendmsg+0xee/0x170 [ 523.444125][ T1167] __sys_sendmsg+0xcd/0x170 [ 523.444125][ T1167] do_syscall_64+0xc6/0x1e0 [ 523.444125][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.444125][ T1167] [ 523.447034][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 523.447034][ T1167] netdev_get_by_index+0x5e/0x80 [ 523.447034][ T1167] fib6_nh_init+0x3d8/0x1580 [ 523.447034][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 523.447034][ T1167] ip6_route_add+0x1c/0x140 [ 523.447034][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 523.447034][ T1167] addrconf_add_dev+0xe2/0x170 [ 523.447034][ T1167] inet6_addr_add+0x12f/0xa40 [ 523.447034][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 523.447034][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.447034][ T1167] netlink_rcv_skb+0x130/0x360 [ 523.447034][ T1167] netlink_unicast+0x449/0x710 [ 523.447034][ T1167] netlink_sendmsg+0x723/0xbe0 [ 523.447034][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 523.447034][ T1167] ___sys_sendmsg+0xee/0x170 [ 523.447034][ T1167] __sys_sendmsg+0xcd/0x170 [ 523.447034][ T1167] do_syscall_64+0xc6/0x1e0 [ 523.447034][ T1167] [ 523.449263][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 523.449263][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 523.449263][ T1167] ipv6_find_idev+0x102/0x170 [ 523.449263][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 523.449263][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.449263][ T1167] netlink_rcv_skb+0x130/0x360 [ 523.449263][ T1167] netlink_unicast+0x449/0x710 [ 523.449263][ T1167] netlink_sendmsg+0x723/0xbe0 [ 523.449263][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 523.449263][ T1167] ___sys_sendmsg+0xee/0x170 [ 523.449263][ T1167] __sys_sendmsg+0xcd/0x170 [ 523.449263][ T1167] do_syscall_64+0xc6/0x1e0 [ 523.449263][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.449263][ T1167] [ 523.451048][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 523.451048][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 523.451048][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 523.451048][ T1167] ipv6_find_idev+0x102/0x170 [ 523.451048][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 523.451048][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.451048][ T1167] netlink_rcv_skb+0x130/0x360 [ 523.451048][ T1167] netlink_unicast+0x449/0x710 [ 523.451048][ T1167] netlink_sendmsg+0x723/0xbe0 [ 523.451048][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 523.451048][ T1167] ___sys_sendmsg+0xee/0x170 [ 523.451048][ T1167] __sys_sendmsg+0xcd/0x170 [ 523.451048][ T1167] do_syscall_64+0xc6/0x1e0 [ 523.451048][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.451048][ T1167] [ 531.665122][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 531.666025][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 531.666025][ T10] netdev_get_by_index+0x5e/0x80 [ 531.666025][ T10] fib6_nh_init+0x3d8/0x1580 [ 531.666025][ T10] ip6_route_info_create+0xf18/0x17d0 [ 531.666025][ T10] addrconf_f6i_alloc+0x265/0x560 [ 531.666025][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 531.666025][ T10] addrconf_join_anycast+0x1c0/0x220 [ 531.666025][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 531.666025][ T10] addrconf_dad_completed+0x12b/0xe20 [ 531.666025][ T10] addrconf_dad_begin+0x310/0x670 [ 531.666025][ T10] addrconf_dad_work+0x10b/0xab0 [ 531.666025][ T10] process_one_work+0x84d/0x18a0 [ 531.666025][ T10] worker_thread+0x587/0xd30 [ 531.666025][ T10] kthread+0x28a/0x350 [ 531.666025][ T10] ret_from_fork+0x31/0x70 [ 531.666025][ T10] ret_from_fork_asm+0x1a/0x30 [ 531.666025][ T10] [ 531.669240][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 531.669240][ T10] netdev_get_by_index+0x5e/0x80 [ 531.669240][ T10] fib6_nh_init+0x3d8/0x1580 [ 531.669240][ T10] ip6_route_info_create+0xf18/0x17d0 [ 531.669240][ T10] ip6_route_add+0x1c/0x140 [ 531.669240][ T10] addrconf_prefix_route+0x2a6/0x430 [ 531.669240][ T10] inet6_addr_add+0x4f8/0xa40 [ 531.669240][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 531.669240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.669240][ T10] netlink_rcv_skb+0x130/0x360 [ 531.669240][ T10] netlink_unicast+0x449/0x710 [ 531.669240][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.669240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.669240][ T10] ___sys_sendmsg+0xee/0x170 [ 531.669240][ T10] __sys_sendmsg+0xcd/0x170 [ 531.669240][ T10] do_syscall_64+0xc6/0x1e0 [ 531.669240][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.669240][ T10] [ 531.672598][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 531.672598][ T10] netdev_get_by_index+0x5e/0x80 [ 531.672598][ T10] fib6_nh_init+0x3d8/0x1580 [ 531.672598][ T10] ip6_route_info_create+0xf18/0x17d0 [ 531.672598][ T10] addrconf_f6i_alloc+0x315/0x560 [ 531.672598][ T10] ipv6_add_addr+0x411/0x2000 [ 531.672598][ T10] inet6_addr_add+0x30e/0xa40 [ 531.672598][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 531.672598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.672598][ T10] netlink_rcv_skb+0x130/0x360 [ 531.672598][ T10] netlink_unicast+0x449/0x710 [ 531.672598][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.672598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.672598][ T10] ___sys_sendmsg+0xee/0x170 [ 531.672598][ T10] __sys_sendmsg+0xcd/0x170 [ 531.672598][ T10] do_syscall_64+0xc6/0x1e0 [ 531.672598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.672598][ T10] [ 531.675704][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 531.675704][ T10] netdev_get_by_index+0x5e/0x80 [ 531.675704][ T10] fib6_nh_init+0x3d8/0x1580 [ 531.675704][ T10] ip6_route_info_create+0xf18/0x17d0 [ 531.675704][ T10] ip6_route_add+0x1c/0x140 [ 531.675704][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 531.675704][ T10] addrconf_add_dev+0xe2/0x170 [ 531.675704][ T10] inet6_addr_add+0x12f/0xa40 [ 531.675704][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 531.675704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.675704][ T10] netlink_rcv_skb+0x130/0x360 [ 531.675704][ T10] netlink_unicast+0x449/0x710 [ 531.675704][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.675704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.675704][ T10] ___sys_sendmsg+0xee/0x170 [ 531.675704][ T10] __sys_sendmsg+0xcd/0x170 [ 531.675704][ T10] do_syscall_64+0xc6/0x1e0 [ 531.675704][ T10] [ 531.678874][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 531.678874][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 531.678874][ T10] ipv6_find_idev+0x102/0x170 [ 531.678874][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 531.678874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.678874][ T10] netlink_rcv_skb+0x130/0x360 [ 531.678874][ T10] netlink_unicast+0x449/0x710 [ 531.678874][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.678874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.678874][ T10] ___sys_sendmsg+0xee/0x170 [ 531.678874][ T10] __sys_sendmsg+0xcd/0x170 [ 531.678874][ T10] do_syscall_64+0xc6/0x1e0 [ 531.678874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.678874][ T10] [ 531.681416][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 531.681416][ T10] neigh_parms_alloc+0x1e5/0x510 [ 531.681416][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 531.681416][ T10] ipv6_find_idev+0x102/0x170 [ 531.681416][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 531.681416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.681416][ T10] netlink_rcv_skb+0x130/0x360 [ 531.681416][ T10] netlink_unicast+0x449/0x710 [ 531.681416][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.681416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.681416][ T10] ___sys_sendmsg+0xee/0x170 [ 531.681416][ T10] __sys_sendmsg+0xcd/0x170 [ 531.681416][ T10] do_syscall_64+0xc6/0x1e0 [ 531.681416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.681416][ T10] [ 531.684258][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 531.684659][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 531.684659][ T10] netdev_get_by_index+0x5e/0x80 [ 531.684659][ T10] fib6_nh_init+0x3d8/0x1580 [ 531.684659][ T10] ip6_route_info_create+0xf18/0x17d0 [ 531.684659][ T10] addrconf_f6i_alloc+0x265/0x560 [ 531.684659][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 531.684659][ T10] addrconf_join_anycast+0x1c0/0x220 [ 531.684659][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 531.684659][ T10] addrconf_dad_completed+0x12b/0xe20 [ 531.684659][ T10] addrconf_dad_begin+0x310/0x670 [ 531.684659][ T10] addrconf_dad_work+0x10b/0xab0 [ 531.684659][ T10] process_one_work+0x84d/0x18a0 [ 531.684659][ T10] worker_thread+0x587/0xd30 [ 531.684659][ T10] kthread+0x28a/0x350 [ 531.684659][ T10] ret_from_fork+0x31/0x70 [ 531.684659][ T10] ret_from_fork_asm+0x1a/0x30 [ 531.684659][ T10] [ 531.687721][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 531.687721][ T10] netdev_get_by_index+0x5e/0x80 [ 531.687721][ T10] fib6_nh_init+0x3d8/0x1580 [ 531.687721][ T10] ip6_route_info_create+0xf18/0x17d0 [ 531.687721][ T10] ip6_route_add+0x1c/0x140 [ 531.687721][ T10] addrconf_prefix_route+0x2a6/0x430 [ 531.687721][ T10] inet6_addr_add+0x4f8/0xa40 [ 531.687721][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 531.687721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.687721][ T10] netlink_rcv_skb+0x130/0x360 [ 531.687721][ T10] netlink_unicast+0x449/0x710 [ 531.687721][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.687721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.687721][ T10] ___sys_sendmsg+0xee/0x170 [ 531.687721][ T10] __sys_sendmsg+0xcd/0x170 [ 531.687721][ T10] do_syscall_64+0xc6/0x1e0 [ 531.687721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.687721][ T10] [ 531.690820][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 531.690820][ T10] netdev_get_by_index+0x5e/0x80 [ 531.690820][ T10] fib6_nh_init+0x3d8/0x1580 [ 531.690820][ T10] ip6_route_info_create+0xf18/0x17d0 [ 531.690820][ T10] addrconf_f6i_alloc+0x315/0x560 [ 531.690820][ T10] ipv6_add_addr+0x411/0x2000 [ 531.690820][ T10] inet6_addr_add+0x30e/0xa40 [ 531.690820][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 531.690820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.690820][ T10] netlink_rcv_skb+0x130/0x360 [ 531.690820][ T10] netlink_unicast+0x449/0x710 [ 531.690820][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.690820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.690820][ T10] ___sys_sendmsg+0xee/0x170 [ 531.690820][ T10] __sys_sendmsg+0xcd/0x170 [ 531.690820][ T10] do_syscall_64+0xc6/0x1e0 [ 531.690820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.690820][ T10] [ 531.693950][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 531.693950][ T10] netdev_get_by_index+0x5e/0x80 [ 531.693950][ T10] fib6_nh_init+0x3d8/0x1580 [ 531.693950][ T10] ip6_route_info_create+0xf18/0x17d0 [ 531.693950][ T10] ip6_route_add+0x1c/0x140 [ 531.693950][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 531.693950][ T10] addrconf_add_dev+0xe2/0x170 [ 531.693950][ T10] inet6_addr_add+0x12f/0xa40 [ 531.693950][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 531.693950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.693950][ T10] netlink_rcv_skb+0x130/0x360 [ 531.693950][ T10] netlink_unicast+0x449/0x710 [ 531.693950][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.693950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.693950][ T10] ___sys_sendmsg+0xee/0x170 [ 531.693950][ T10] __sys_sendmsg+0xcd/0x170 [ 531.693950][ T10] do_syscall_64+0xc6/0x1e0 [ 531.693950][ T10] [ 531.697019][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 531.697019][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 531.697019][ T10] ipv6_find_idev+0x102/0x170 [ 531.697019][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 531.697019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.697019][ T10] netlink_rcv_skb+0x130/0x360 [ 531.697019][ T10] netlink_unicast+0x449/0x710 [ 531.697019][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.697019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.697019][ T10] ___sys_sendmsg+0xee/0x170 [ 531.697019][ T10] __sys_sendmsg+0xcd/0x170 [ 531.697019][ T10] do_syscall_64+0xc6/0x1e0 [ 531.697019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.697019][ T10] [ 531.699415][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 531.699415][ T10] neigh_parms_alloc+0x1e5/0x510 [ 531.699415][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 531.699415][ T10] ipv6_find_idev+0x102/0x170 [ 531.699415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 531.699415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.699415][ T10] netlink_rcv_skb+0x130/0x360 [ 531.699415][ T10] netlink_unicast+0x449/0x710 [ 531.699415][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.699415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.699415][ T10] ___sys_sendmsg+0xee/0x170 [ 531.699415][ T10] __sys_sendmsg+0xcd/0x170 [ 531.699415][ T10] do_syscall_64+0xc6/0x1e0 [ 531.699415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.699415][ T10] [ 531.701977][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 531.702348][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 531.702348][ T10] netdev_get_by_index+0x5e/0x80 [ 531.702348][ T10] fib6_nh_init+0x3d8/0x1580 [ 531.702348][ T10] ip6_route_info_create+0xf18/0x17d0 [ 531.702348][ T10] addrconf_f6i_alloc+0x265/0x560 [ 531.702348][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 531.702348][ T10] addrconf_join_anycast+0x1c0/0x220 [ 531.702348][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 531.702348][ T10] addrconf_dad_completed+0x12b/0xe20 [ 531.702348][ T10] addrconf_dad_begin+0x310/0x670 [ 531.702348][ T10] addrconf_dad_work+0x10b/0xab0 [ 531.702348][ T10] process_one_work+0x84d/0x18a0 [ 531.702348][ T10] worker_thread+0x587/0xd30 [ 531.702348][ T10] kthread+0x28a/0x350 [ 531.702348][ T10] ret_from_fork+0x31/0x70 [ 531.702348][ T10] ret_from_fork_asm+0x1a/0x30 [ 531.702348][ T10] [ 531.705338][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 531.705338][ T10] netdev_get_by_index+0x5e/0x80 [ 531.705338][ T10] fib6_nh_init+0x3d8/0x1580 [ 531.705338][ T10] ip6_route_info_create+0xf18/0x17d0 [ 531.705338][ T10] ip6_route_add+0x1c/0x140 [ 531.705338][ T10] addrconf_prefix_route+0x2a6/0x430 [ 531.705338][ T10] inet6_addr_add+0x4f8/0xa40 [ 531.705338][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 531.705338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.705338][ T10] netlink_rcv_skb+0x130/0x360 [ 531.705338][ T10] netlink_unicast+0x449/0x710 [ 531.705338][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.705338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.705338][ T10] ___sys_sendmsg+0xee/0x170 [ 531.705338][ T10] __sys_sendmsg+0xcd/0x170 [ 531.705338][ T10] do_syscall_64+0xc6/0x1e0 [ 531.705338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.705338][ T10] [ 531.708881][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 531.708881][ T10] netdev_get_by_index+0x5e/0x80 [ 531.708881][ T10] fib6_nh_init+0x3d8/0x1580 [ 531.708881][ T10] ip6_route_info_create+0xf18/0x17d0 [ 531.708881][ T10] addrconf_f6i_alloc+0x315/0x560 [ 531.708881][ T10] ipv6_add_addr+0x411/0x2000 [ 531.708881][ T10] inet6_addr_add+0x30e/0xa40 [ 531.708881][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 531.708881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.708881][ T10] netlink_rcv_skb+0x130/0x360 [ 531.708881][ T10] netlink_unicast+0x449/0x710 [ 531.708881][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.708881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.708881][ T10] ___sys_sendmsg+0xee/0x170 [ 531.708881][ T10] __sys_sendmsg+0xcd/0x170 [ 531.708881][ T10] do_syscall_64+0xc6/0x1e0 [ 531.708881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.708881][ T10] [ 531.712685][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 531.712685][ T10] netdev_get_by_index+0x5e/0x80 [ 531.712685][ T10] fib6_nh_init+0x3d8/0x1580 [ 531.712685][ T10] ip6_route_info_create+0xf18/0x17d0 [ 531.712685][ T10] ip6_route_add+0x1c/0x140 [ 531.712685][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 531.712685][ T10] addrconf_add_dev+0xe2/0x170 [ 531.712685][ T10] inet6_addr_add+0x12f/0xa40 [ 531.712685][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 531.712685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.712685][ T10] netlink_rcv_skb+0x130/0x360 [ 531.712685][ T10] netlink_unicast+0x449/0x710 [ 531.712685][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.712685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.712685][ T10] ___sys_sendmsg+0xee/0x170 [ 531.712685][ T10] __sys_sendmsg+0xcd/0x170 [ 531.712685][ T10] do_syscall_64+0xc6/0x1e0 [ 531.712685][ T10] [ 531.715459][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 531.715459][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 531.715459][ T10] ipv6_find_idev+0x102/0x170 [ 531.715459][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 531.715459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.715459][ T10] netlink_rcv_skb+0x130/0x360 [ 531.715459][ T10] netlink_unicast+0x449/0x710 [ 531.715459][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.715459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.715459][ T10] ___sys_sendmsg+0xee/0x170 [ 531.715459][ T10] __sys_sendmsg+0xcd/0x170 [ 531.715459][ T10] do_syscall_64+0xc6/0x1e0 [ 531.715459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.715459][ T10] [ 531.717453][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 531.717453][ T10] neigh_parms_alloc+0x1e5/0x510 [ 531.717453][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 531.717453][ T10] ipv6_find_idev+0x102/0x170 [ 531.717453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 531.717453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.717453][ T10] netlink_rcv_skb+0x130/0x360 [ 531.717453][ T10] netlink_unicast+0x449/0x710 [ 531.717453][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.717453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.717453][ T10] ___sys_sendmsg+0xee/0x170 [ 531.717453][ T10] __sys_sendmsg+0xcd/0x170 [ 531.717453][ T10] do_syscall_64+0xc6/0x1e0 [ 531.717453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.717453][ T10] [ 531.719846][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 531.720151][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 531.720151][ T10] netdev_get_by_index+0x5e/0x80 [ 531.720151][ T10] fib6_nh_init+0x3d8/0x1580 [ 531.720151][ T10] ip6_route_info_create+0xf18/0x17d0 [ 531.720151][ T10] addrconf_f6i_alloc+0x265/0x560 [ 531.720151][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 531.720151][ T10] addrconf_join_anycast+0x1c0/0x220 [ 531.720151][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 531.720151][ T10] addrconf_dad_completed+0x12b/0xe20 [ 531.720151][ T10] addrconf_dad_begin+0x310/0x670 [ 531.720151][ T10] addrconf_dad_work+0x10b/0xab0 [ 531.720151][ T10] process_one_work+0x84d/0x18a0 [ 531.720151][ T10] worker_thread+0x587/0xd30 [ 531.720151][ T10] kthread+0x28a/0x350 [ 531.720151][ T10] ret_from_fork+0x31/0x70 [ 531.720151][ T10] ret_from_fork_asm+0x1a/0x30 [ 531.720151][ T10] [ 531.722614][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 531.722614][ T10] netdev_get_by_index+0x5e/0x80 [ 531.722614][ T10] fib6_nh_init+0x3d8/0x1580 [ 531.722614][ T10] ip6_route_info_create+0xf18/0x17d0 [ 531.722614][ T10] ip6_route_add+0x1c/0x140 [ 531.722614][ T10] addrconf_prefix_route+0x2a6/0x430 [ 531.722614][ T10] inet6_addr_add+0x4f8/0xa40 [ 531.722614][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 531.722614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.722614][ T10] netlink_rcv_skb+0x130/0x360 [ 531.722614][ T10] netlink_unicast+0x449/0x710 [ 531.722614][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.722614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.722614][ T10] ___sys_sendmsg+0xee/0x170 [ 531.722614][ T10] __sys_sendmsg+0xcd/0x170 [ 531.722614][ T10] do_syscall_64+0xc6/0x1e0 [ 531.722614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.722614][ T10] [ 531.725097][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 531.725097][ T10] netdev_get_by_index+0x5e/0x80 [ 531.725097][ T10] fib6_nh_init+0x3d8/0x1580 [ 531.725097][ T10] ip6_route_info_create+0xf18/0x17d0 [ 531.725097][ T10] addrconf_f6i_alloc+0x315/0x560 [ 531.725097][ T10] ipv6_add_addr+0x411/0x2000 [ 531.725097][ T10] inet6_addr_add+0x30e/0xa40 [ 531.725097][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 531.725097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.725097][ T10] netlink_rcv_skb+0x130/0x360 [ 531.725097][ T10] netlink_unicast+0x449/0x710 [ 531.725097][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.725097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.725097][ T10] ___sys_sendmsg+0xee/0x170 [ 531.725097][ T10] __sys_sendmsg+0xcd/0x170 [ 531.725097][ T10] do_syscall_64+0xc6/0x1e0 [ 531.725097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.725097][ T10] [ 531.727675][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 531.727675][ T10] netdev_get_by_index+0x5e/0x80 [ 531.727675][ T10] fib6_nh_init+0x3d8/0x1580 [ 531.727675][ T10] ip6_route_info_create+0xf18/0x17d0 [ 531.727675][ T10] ip6_route_add+0x1c/0x140 [ 531.727675][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 531.727675][ T10] addrconf_add_dev+0xe2/0x170 [ 531.727675][ T10] inet6_addr_add+0x12f/0xa40 [ 531.727675][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 531.727675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.727675][ T10] netlink_rcv_skb+0x130/0x360 [ 531.727675][ T10] netlink_unicast+0x449/0x710 [ 531.727675][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.727675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.727675][ T10] ___sys_sendmsg+0xee/0x170 [ 531.727675][ T10] __sys_sendmsg+0xcd/0x170 [ 531.727675][ T10] do_syscall_64+0xc6/0x1e0 [ 531.727675][ T10] [ 531.730046][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 531.730046][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 531.730046][ T10] ipv6_find_idev+0x102/0x170 [ 531.730046][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 531.730046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.730046][ T10] netlink_rcv_skb+0x130/0x360 [ 531.730046][ T10] netlink_unicast+0x449/0x710 [ 531.730046][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.730046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.730046][ T10] ___sys_sendmsg+0xee/0x170 [ 531.730046][ T10] __sys_sendmsg+0xcd/0x170 [ 531.730046][ T10] do_syscall_64+0xc6/0x1e0 [ 531.730046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.730046][ T10] [ 531.731881][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 531.731881][ T10] neigh_parms_alloc+0x1e5/0x510 [ 531.731881][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 531.731881][ T10] ipv6_find_idev+0x102/0x170 [ 531.731881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 531.731881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 531.731881][ T10] netlink_rcv_skb+0x130/0x360 [ 531.731881][ T10] netlink_unicast+0x449/0x710 [ 531.731881][ T10] netlink_sendmsg+0x723/0xbe0 [ 531.731881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 531.731881][ T10] ___sys_sendmsg+0xee/0x170 [ 531.731881][ T10] __sys_sendmsg+0xcd/0x170 [ 531.731881][ T10] do_syscall_64+0xc6/0x1e0 [ 531.731881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 531.731881][ T10] [ 533.457102][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 533.457544][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 533.457544][ T1167] dst_init+0x84/0x4a0 [ 533.457544][ T1167] dst_alloc+0x97/0x150 [ 533.457544][ T1167] ip6_dst_alloc+0x23/0x90 [ 533.457544][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 533.457544][ T1167] ip6_pol_route+0x56f/0x840 [ 533.457544][ T1167] fib6_rule_lookup+0x334/0x630 [ 533.457544][ T1167] ip6_route_output_flags+0x259/0x480 [ 533.457544][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 533.457544][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 533.457544][ T1167] netlink_rcv_skb+0x130/0x360 [ 533.457544][ T1167] netlink_unicast+0x449/0x710 [ 533.457544][ T1167] netlink_sendmsg+0x723/0xbe0 [ 533.457544][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 533.457544][ T1167] ___sys_sendmsg+0xee/0x170 [ 533.457544][ T1167] __sys_sendmsg+0xcd/0x170 [ 533.457544][ T1167] do_syscall_64+0xc6/0x1e0 [ 533.457544][ T1167] [ 533.459778][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 533.459778][ T1167] netdev_get_by_index+0x5e/0x80 [ 533.459778][ T1167] fib6_nh_init+0x3d8/0x1580 [ 533.459778][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 533.459778][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 533.459778][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 533.459778][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 533.459778][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 533.459778][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 533.459778][ T1167] addrconf_dad_begin+0x310/0x670 [ 533.459778][ T1167] addrconf_dad_work+0x10b/0xab0 [ 533.459778][ T1167] process_one_work+0x84d/0x18a0 [ 533.459778][ T1167] worker_thread+0x587/0xd30 [ 533.459778][ T1167] kthread+0x28a/0x350 [ 533.459778][ T1167] ret_from_fork+0x31/0x70 [ 533.459778][ T1167] ret_from_fork_asm+0x1a/0x30 [ 533.459778][ T1167] [ 533.462070][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 533.462070][ T1167] netdev_get_by_index+0x5e/0x80 [ 533.462070][ T1167] fib6_nh_init+0x3d8/0x1580 [ 533.462070][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 533.462070][ T1167] ip6_route_add+0x1c/0x140 [ 533.462070][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 533.462070][ T1167] inet6_addr_add+0x4f8/0xa40 [ 533.462070][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 533.462070][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.462070][ T1167] netlink_rcv_skb+0x130/0x360 [ 533.462070][ T1167] netlink_unicast+0x449/0x710 [ 533.462070][ T1167] netlink_sendmsg+0x723/0xbe0 [ 533.462070][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 533.462070][ T1167] ___sys_sendmsg+0xee/0x170 [ 533.462070][ T1167] __sys_sendmsg+0xcd/0x170 [ 533.462070][ T1167] do_syscall_64+0xc6/0x1e0 [ 533.462070][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.462070][ T1167] [ 533.464405][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 533.464405][ T1167] netdev_get_by_index+0x5e/0x80 [ 533.464405][ T1167] fib6_nh_init+0x3d8/0x1580 [ 533.464405][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 533.464405][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 533.464405][ T1167] ipv6_add_addr+0x411/0x2000 [ 533.464405][ T1167] inet6_addr_add+0x30e/0xa40 [ 533.464405][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 533.464405][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.464405][ T1167] netlink_rcv_skb+0x130/0x360 [ 533.464405][ T1167] netlink_unicast+0x449/0x710 [ 533.464405][ T1167] netlink_sendmsg+0x723/0xbe0 [ 533.464405][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 533.464405][ T1167] ___sys_sendmsg+0xee/0x170 [ 533.464405][ T1167] __sys_sendmsg+0xcd/0x170 [ 533.464405][ T1167] do_syscall_64+0xc6/0x1e0 [ 533.464405][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.464405][ T1167] [ 533.466926][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 533.466926][ T1167] netdev_get_by_index+0x5e/0x80 [ 533.466926][ T1167] fib6_nh_init+0x3d8/0x1580 [ 533.466926][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 533.466926][ T1167] ip6_route_add+0x1c/0x140 [ 533.466926][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 533.466926][ T1167] addrconf_add_dev+0xe2/0x170 [ 533.466926][ T1167] inet6_addr_add+0x12f/0xa40 [ 533.466926][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 533.466926][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.466926][ T1167] netlink_rcv_skb+0x130/0x360 [ 533.466926][ T1167] netlink_unicast+0x449/0x710 [ 533.466926][ T1167] netlink_sendmsg+0x723/0xbe0 [ 533.466926][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 533.466926][ T1167] ___sys_sendmsg+0xee/0x170 [ 533.466926][ T1167] __sys_sendmsg+0xcd/0x170 [ 533.466926][ T1167] do_syscall_64+0xc6/0x1e0 [ 533.466926][ T1167] [ 533.469207][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 533.469207][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 533.469207][ T1167] ipv6_find_idev+0x102/0x170 [ 533.469207][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 533.469207][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.469207][ T1167] netlink_rcv_skb+0x130/0x360 [ 533.469207][ T1167] netlink_unicast+0x449/0x710 [ 533.469207][ T1167] netlink_sendmsg+0x723/0xbe0 [ 533.469207][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 533.469207][ T1167] ___sys_sendmsg+0xee/0x170 [ 533.469207][ T1167] __sys_sendmsg+0xcd/0x170 [ 533.469207][ T1167] do_syscall_64+0xc6/0x1e0 [ 533.469207][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.469207][ T1167] [ 533.470972][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 533.470972][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 533.470972][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 533.470972][ T1167] ipv6_find_idev+0x102/0x170 [ 533.470972][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 533.470972][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.470972][ T1167] netlink_rcv_skb+0x130/0x360 [ 533.470972][ T1167] netlink_unicast+0x449/0x710 [ 533.470972][ T1167] netlink_sendmsg+0x723/0xbe0 [ 533.470972][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 533.470972][ T1167] ___sys_sendmsg+0xee/0x170 [ 533.470972][ T1167] __sys_sendmsg+0xcd/0x170 [ 533.470972][ T1167] do_syscall_64+0xc6/0x1e0 [ 533.470972][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.470972][ T1167] [ 541.905075][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 541.905442][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 541.905442][ T10] netdev_get_by_index+0x5e/0x80 [ 541.905442][ T10] fib6_nh_init+0x3d8/0x1580 [ 541.905442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 541.905442][ T10] addrconf_f6i_alloc+0x265/0x560 [ 541.905442][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 541.905442][ T10] addrconf_join_anycast+0x1c0/0x220 [ 541.905442][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 541.905442][ T10] addrconf_dad_completed+0x12b/0xe20 [ 541.905442][ T10] addrconf_dad_begin+0x310/0x670 [ 541.905442][ T10] addrconf_dad_work+0x10b/0xab0 [ 541.905442][ T10] process_one_work+0x84d/0x18a0 [ 541.905442][ T10] worker_thread+0x587/0xd30 [ 541.905442][ T10] kthread+0x28a/0x350 [ 541.905442][ T10] ret_from_fork+0x31/0x70 [ 541.905442][ T10] ret_from_fork_asm+0x1a/0x30 [ 541.905442][ T10] [ 541.907423][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 541.907423][ T10] netdev_get_by_index+0x5e/0x80 [ 541.907423][ T10] fib6_nh_init+0x3d8/0x1580 [ 541.907423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 541.907423][ T10] ip6_route_add+0x1c/0x140 [ 541.907423][ T10] addrconf_prefix_route+0x2a6/0x430 [ 541.907423][ T10] inet6_addr_add+0x4f8/0xa40 [ 541.907423][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 541.907423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.907423][ T10] netlink_rcv_skb+0x130/0x360 [ 541.907423][ T10] netlink_unicast+0x449/0x710 [ 541.907423][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.907423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.907423][ T10] ___sys_sendmsg+0xee/0x170 [ 541.907423][ T10] __sys_sendmsg+0xcd/0x170 [ 541.907423][ T10] do_syscall_64+0xc6/0x1e0 [ 541.907423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.907423][ T10] [ 541.909485][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 541.909485][ T10] netdev_get_by_index+0x5e/0x80 [ 541.909485][ T10] fib6_nh_init+0x3d8/0x1580 [ 541.909485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 541.909485][ T10] addrconf_f6i_alloc+0x315/0x560 [ 541.909485][ T10] ipv6_add_addr+0x411/0x2000 [ 541.909485][ T10] inet6_addr_add+0x30e/0xa40 [ 541.909485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 541.909485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.909485][ T10] netlink_rcv_skb+0x130/0x360 [ 541.909485][ T10] netlink_unicast+0x449/0x710 [ 541.909485][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.909485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.909485][ T10] ___sys_sendmsg+0xee/0x170 [ 541.909485][ T10] __sys_sendmsg+0xcd/0x170 [ 541.909485][ T10] do_syscall_64+0xc6/0x1e0 [ 541.909485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.909485][ T10] [ 541.911474][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 541.911474][ T10] netdev_get_by_index+0x5e/0x80 [ 541.911474][ T10] fib6_nh_init+0x3d8/0x1580 [ 541.911474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 541.911474][ T10] ip6_route_add+0x1c/0x140 [ 541.911474][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 541.911474][ T10] addrconf_add_dev+0xe2/0x170 [ 541.911474][ T10] inet6_addr_add+0x12f/0xa40 [ 541.911474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 541.911474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.911474][ T10] netlink_rcv_skb+0x130/0x360 [ 541.911474][ T10] netlink_unicast+0x449/0x710 [ 541.911474][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.911474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.911474][ T10] ___sys_sendmsg+0xee/0x170 [ 541.911474][ T10] __sys_sendmsg+0xcd/0x170 [ 541.911474][ T10] do_syscall_64+0xc6/0x1e0 [ 541.911474][ T10] [ 541.913433][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 541.913433][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 541.913433][ T10] ipv6_find_idev+0x102/0x170 [ 541.913433][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 541.913433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.913433][ T10] netlink_rcv_skb+0x130/0x360 [ 541.913433][ T10] netlink_unicast+0x449/0x710 [ 541.913433][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.913433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.913433][ T10] ___sys_sendmsg+0xee/0x170 [ 541.913433][ T10] __sys_sendmsg+0xcd/0x170 [ 541.913433][ T10] do_syscall_64+0xc6/0x1e0 [ 541.913433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.913433][ T10] [ 541.914987][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 541.914987][ T10] neigh_parms_alloc+0x1e5/0x510 [ 541.914987][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 541.914987][ T10] ipv6_find_idev+0x102/0x170 [ 541.914987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 541.914987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.914987][ T10] netlink_rcv_skb+0x130/0x360 [ 541.914987][ T10] netlink_unicast+0x449/0x710 [ 541.914987][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.914987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.914987][ T10] ___sys_sendmsg+0xee/0x170 [ 541.914987][ T10] __sys_sendmsg+0xcd/0x170 [ 541.914987][ T10] do_syscall_64+0xc6/0x1e0 [ 541.914987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.914987][ T10] [ 541.916695][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 541.916970][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 541.916970][ T10] netdev_get_by_index+0x5e/0x80 [ 541.916970][ T10] fib6_nh_init+0x3d8/0x1580 [ 541.916970][ T10] ip6_route_info_create+0xf18/0x17d0 [ 541.916970][ T10] addrconf_f6i_alloc+0x265/0x560 [ 541.916970][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 541.916970][ T10] addrconf_join_anycast+0x1c0/0x220 [ 541.916970][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 541.916970][ T10] addrconf_dad_completed+0x12b/0xe20 [ 541.916970][ T10] addrconf_dad_begin+0x310/0x670 [ 541.916970][ T10] addrconf_dad_work+0x10b/0xab0 [ 541.916970][ T10] process_one_work+0x84d/0x18a0 [ 541.916970][ T10] worker_thread+0x587/0xd30 [ 541.916970][ T10] kthread+0x28a/0x350 [ 541.916970][ T10] ret_from_fork+0x31/0x70 [ 541.916970][ T10] ret_from_fork_asm+0x1a/0x30 [ 541.916970][ T10] [ 541.918888][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 541.918888][ T10] netdev_get_by_index+0x5e/0x80 [ 541.918888][ T10] fib6_nh_init+0x3d8/0x1580 [ 541.918888][ T10] ip6_route_info_create+0xf18/0x17d0 [ 541.918888][ T10] ip6_route_add+0x1c/0x140 [ 541.918888][ T10] addrconf_prefix_route+0x2a6/0x430 [ 541.918888][ T10] inet6_addr_add+0x4f8/0xa40 [ 541.918888][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 541.918888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.918888][ T10] netlink_rcv_skb+0x130/0x360 [ 541.918888][ T10] netlink_unicast+0x449/0x710 [ 541.918888][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.918888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.918888][ T10] ___sys_sendmsg+0xee/0x170 [ 541.918888][ T10] __sys_sendmsg+0xcd/0x170 [ 541.918888][ T10] do_syscall_64+0xc6/0x1e0 [ 541.918888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.918888][ T10] [ 541.921123][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 541.921123][ T10] netdev_get_by_index+0x5e/0x80 [ 541.921123][ T10] fib6_nh_init+0x3d8/0x1580 [ 541.921123][ T10] ip6_route_info_create+0xf18/0x17d0 [ 541.921123][ T10] addrconf_f6i_alloc+0x315/0x560 [ 541.921123][ T10] ipv6_add_addr+0x411/0x2000 [ 541.921123][ T10] inet6_addr_add+0x30e/0xa40 [ 541.921123][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 541.921123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.921123][ T10] netlink_rcv_skb+0x130/0x360 [ 541.921123][ T10] netlink_unicast+0x449/0x710 [ 541.921123][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.921123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.921123][ T10] ___sys_sendmsg+0xee/0x170 [ 541.921123][ T10] __sys_sendmsg+0xcd/0x170 [ 541.921123][ T10] do_syscall_64+0xc6/0x1e0 [ 541.921123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.921123][ T10] [ 541.923406][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 541.923406][ T10] netdev_get_by_index+0x5e/0x80 [ 541.923406][ T10] fib6_nh_init+0x3d8/0x1580 [ 541.923406][ T10] ip6_route_info_create+0xf18/0x17d0 [ 541.923406][ T10] ip6_route_add+0x1c/0x140 [ 541.923406][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 541.923406][ T10] addrconf_add_dev+0xe2/0x170 [ 541.923406][ T10] inet6_addr_add+0x12f/0xa40 [ 541.923406][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 541.923406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.923406][ T10] netlink_rcv_skb+0x130/0x360 [ 541.923406][ T10] netlink_unicast+0x449/0x710 [ 541.923406][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.923406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.923406][ T10] ___sys_sendmsg+0xee/0x170 [ 541.923406][ T10] __sys_sendmsg+0xcd/0x170 [ 541.923406][ T10] do_syscall_64+0xc6/0x1e0 [ 541.923406][ T10] [ 541.925644][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 541.925644][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 541.925644][ T10] ipv6_find_idev+0x102/0x170 [ 541.925644][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 541.925644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.925644][ T10] netlink_rcv_skb+0x130/0x360 [ 541.925644][ T10] netlink_unicast+0x449/0x710 [ 541.925644][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.925644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.925644][ T10] ___sys_sendmsg+0xee/0x170 [ 541.925644][ T10] __sys_sendmsg+0xcd/0x170 [ 541.925644][ T10] do_syscall_64+0xc6/0x1e0 [ 541.925644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.925644][ T10] [ 541.927415][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 541.927415][ T10] neigh_parms_alloc+0x1e5/0x510 [ 541.927415][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 541.927415][ T10] ipv6_find_idev+0x102/0x170 [ 541.927415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 541.927415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.927415][ T10] netlink_rcv_skb+0x130/0x360 [ 541.927415][ T10] netlink_unicast+0x449/0x710 [ 541.927415][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.927415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.927415][ T10] ___sys_sendmsg+0xee/0x170 [ 541.927415][ T10] __sys_sendmsg+0xcd/0x170 [ 541.927415][ T10] do_syscall_64+0xc6/0x1e0 [ 541.927415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.927415][ T10] [ 541.929319][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 541.929588][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 541.929588][ T10] netdev_get_by_index+0x5e/0x80 [ 541.929588][ T10] fib6_nh_init+0x3d8/0x1580 [ 541.929588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 541.929588][ T10] addrconf_f6i_alloc+0x265/0x560 [ 541.929588][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 541.929588][ T10] addrconf_join_anycast+0x1c0/0x220 [ 541.929588][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 541.929588][ T10] addrconf_dad_completed+0x12b/0xe20 [ 541.929588][ T10] addrconf_dad_begin+0x310/0x670 [ 541.929588][ T10] addrconf_dad_work+0x10b/0xab0 [ 541.929588][ T10] process_one_work+0x84d/0x18a0 [ 541.929588][ T10] worker_thread+0x587/0xd30 [ 541.929588][ T10] kthread+0x28a/0x350 [ 541.929588][ T10] ret_from_fork+0x31/0x70 [ 541.929588][ T10] ret_from_fork_asm+0x1a/0x30 [ 541.929588][ T10] [ 541.931568][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 541.931568][ T10] netdev_get_by_index+0x5e/0x80 [ 541.931568][ T10] fib6_nh_init+0x3d8/0x1580 [ 541.931568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 541.931568][ T10] ip6_route_add+0x1c/0x140 [ 541.931568][ T10] addrconf_prefix_route+0x2a6/0x430 [ 541.931568][ T10] inet6_addr_add+0x4f8/0xa40 [ 541.931568][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 541.931568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.931568][ T10] netlink_rcv_skb+0x130/0x360 [ 541.931568][ T10] netlink_unicast+0x449/0x710 [ 541.931568][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.931568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.931568][ T10] ___sys_sendmsg+0xee/0x170 [ 541.931568][ T10] __sys_sendmsg+0xcd/0x170 [ 541.931568][ T10] do_syscall_64+0xc6/0x1e0 [ 541.931568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.931568][ T10] [ 541.933730][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 541.933730][ T10] netdev_get_by_index+0x5e/0x80 [ 541.933730][ T10] fib6_nh_init+0x3d8/0x1580 [ 541.933730][ T10] ip6_route_info_create+0xf18/0x17d0 [ 541.933730][ T10] addrconf_f6i_alloc+0x315/0x560 [ 541.933730][ T10] ipv6_add_addr+0x411/0x2000 [ 541.933730][ T10] inet6_addr_add+0x30e/0xa40 [ 541.933730][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 541.933730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.933730][ T10] netlink_rcv_skb+0x130/0x360 [ 541.933730][ T10] netlink_unicast+0x449/0x710 [ 541.933730][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.933730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.933730][ T10] ___sys_sendmsg+0xee/0x170 [ 541.933730][ T10] __sys_sendmsg+0xcd/0x170 [ 541.933730][ T10] do_syscall_64+0xc6/0x1e0 [ 541.933730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.933730][ T10] [ 541.935887][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 541.935887][ T10] netdev_get_by_index+0x5e/0x80 [ 541.935887][ T10] fib6_nh_init+0x3d8/0x1580 [ 541.935887][ T10] ip6_route_info_create+0xf18/0x17d0 [ 541.935887][ T10] ip6_route_add+0x1c/0x140 [ 541.935887][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 541.935887][ T10] addrconf_add_dev+0xe2/0x170 [ 541.935887][ T10] inet6_addr_add+0x12f/0xa40 [ 541.935887][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 541.935887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.935887][ T10] netlink_rcv_skb+0x130/0x360 [ 541.935887][ T10] netlink_unicast+0x449/0x710 [ 541.935887][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.935887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.935887][ T10] ___sys_sendmsg+0xee/0x170 [ 541.935887][ T10] __sys_sendmsg+0xcd/0x170 [ 541.935887][ T10] do_syscall_64+0xc6/0x1e0 [ 541.935887][ T10] [ 541.937994][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 541.937994][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 541.937994][ T10] ipv6_find_idev+0x102/0x170 [ 541.937994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 541.937994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.937994][ T10] netlink_rcv_skb+0x130/0x360 [ 541.937994][ T10] netlink_unicast+0x449/0x710 [ 541.937994][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.937994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.937994][ T10] ___sys_sendmsg+0xee/0x170 [ 541.937994][ T10] __sys_sendmsg+0xcd/0x170 [ 541.937994][ T10] do_syscall_64+0xc6/0x1e0 [ 541.937994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.937994][ T10] [ 541.939696][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 541.939696][ T10] neigh_parms_alloc+0x1e5/0x510 [ 541.939696][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 541.939696][ T10] ipv6_find_idev+0x102/0x170 [ 541.939696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 541.939696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.939696][ T10] netlink_rcv_skb+0x130/0x360 [ 541.939696][ T10] netlink_unicast+0x449/0x710 [ 541.939696][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.939696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.939696][ T10] ___sys_sendmsg+0xee/0x170 [ 541.939696][ T10] __sys_sendmsg+0xcd/0x170 [ 541.939696][ T10] do_syscall_64+0xc6/0x1e0 [ 541.939696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.939696][ T10] [ 541.941485][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 541.941757][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 541.941757][ T10] netdev_get_by_index+0x5e/0x80 [ 541.941757][ T10] fib6_nh_init+0x3d8/0x1580 [ 541.941757][ T10] ip6_route_info_create+0xf18/0x17d0 [ 541.941757][ T10] addrconf_f6i_alloc+0x265/0x560 [ 541.941757][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 541.941757][ T10] addrconf_join_anycast+0x1c0/0x220 [ 541.941757][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 541.941757][ T10] addrconf_dad_completed+0x12b/0xe20 [ 541.941757][ T10] addrconf_dad_begin+0x310/0x670 [ 541.941757][ T10] addrconf_dad_work+0x10b/0xab0 [ 541.941757][ T10] process_one_work+0x84d/0x18a0 [ 541.941757][ T10] worker_thread+0x587/0xd30 [ 541.941757][ T10] kthread+0x28a/0x350 [ 541.941757][ T10] ret_from_fork+0x31/0x70 [ 541.941757][ T10] ret_from_fork_asm+0x1a/0x30 [ 541.941757][ T10] [ 541.943793][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 541.943793][ T10] netdev_get_by_index+0x5e/0x80 [ 541.943793][ T10] fib6_nh_init+0x3d8/0x1580 [ 541.943793][ T10] ip6_route_info_create+0xf18/0x17d0 [ 541.943793][ T10] ip6_route_add+0x1c/0x140 [ 541.943793][ T10] addrconf_prefix_route+0x2a6/0x430 [ 541.943793][ T10] inet6_addr_add+0x4f8/0xa40 [ 541.943793][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 541.943793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.943793][ T10] netlink_rcv_skb+0x130/0x360 [ 541.943793][ T10] netlink_unicast+0x449/0x710 [ 541.943793][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.943793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.943793][ T10] ___sys_sendmsg+0xee/0x170 [ 541.943793][ T10] __sys_sendmsg+0xcd/0x170 [ 541.943793][ T10] do_syscall_64+0xc6/0x1e0 [ 541.943793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.943793][ T10] [ 541.946249][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 541.946249][ T10] netdev_get_by_index+0x5e/0x80 [ 541.946249][ T10] fib6_nh_init+0x3d8/0x1580 [ 541.946249][ T10] ip6_route_info_create+0xf18/0x17d0 [ 541.946249][ T10] addrconf_f6i_alloc+0x315/0x560 [ 541.946249][ T10] ipv6_add_addr+0x411/0x2000 [ 541.946249][ T10] inet6_addr_add+0x30e/0xa40 [ 541.946249][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 541.946249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.946249][ T10] netlink_rcv_skb+0x130/0x360 [ 541.946249][ T10] netlink_unicast+0x449/0x710 [ 541.946249][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.946249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.946249][ T10] ___sys_sendmsg+0xee/0x170 [ 541.946249][ T10] __sys_sendmsg+0xcd/0x170 [ 541.946249][ T10] do_syscall_64+0xc6/0x1e0 [ 541.946249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.946249][ T10] [ 541.948431][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 541.948431][ T10] netdev_get_by_index+0x5e/0x80 [ 541.948431][ T10] fib6_nh_init+0x3d8/0x1580 [ 541.948431][ T10] ip6_route_info_create+0xf18/0x17d0 [ 541.948431][ T10] ip6_route_add+0x1c/0x140 [ 541.948431][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 541.948431][ T10] addrconf_add_dev+0xe2/0x170 [ 541.948431][ T10] inet6_addr_add+0x12f/0xa40 [ 541.948431][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 541.948431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.948431][ T10] netlink_rcv_skb+0x130/0x360 [ 541.948431][ T10] netlink_unicast+0x449/0x710 [ 541.948431][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.948431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.948431][ T10] ___sys_sendmsg+0xee/0x170 [ 541.948431][ T10] __sys_sendmsg+0xcd/0x170 [ 541.948431][ T10] do_syscall_64+0xc6/0x1e0 [ 541.948431][ T10] [ 541.950513][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 541.950513][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 541.950513][ T10] ipv6_find_idev+0x102/0x170 [ 541.950513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 541.950513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.950513][ T10] netlink_rcv_skb+0x130/0x360 [ 541.950513][ T10] netlink_unicast+0x449/0x710 [ 541.950513][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.950513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.950513][ T10] ___sys_sendmsg+0xee/0x170 [ 541.950513][ T10] __sys_sendmsg+0xcd/0x170 [ 541.950513][ T10] do_syscall_64+0xc6/0x1e0 [ 541.950513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.950513][ T10] [ 541.952098][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 541.952098][ T10] neigh_parms_alloc+0x1e5/0x510 [ 541.952098][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 541.952098][ T10] ipv6_find_idev+0x102/0x170 [ 541.952098][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 541.952098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 541.952098][ T10] netlink_rcv_skb+0x130/0x360 [ 541.952098][ T10] netlink_unicast+0x449/0x710 [ 541.952098][ T10] netlink_sendmsg+0x723/0xbe0 [ 541.952098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 541.952098][ T10] ___sys_sendmsg+0xee/0x170 [ 541.952098][ T10] __sys_sendmsg+0xcd/0x170 [ 541.952098][ T10] do_syscall_64+0xc6/0x1e0 [ 541.952098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 541.952098][ T10] [ 543.721095][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 543.721546][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 543.721546][ T1167] dst_init+0x84/0x4a0 [ 543.721546][ T1167] dst_alloc+0x97/0x150 [ 543.721546][ T1167] ip6_dst_alloc+0x23/0x90 [ 543.721546][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 543.721546][ T1167] ip6_pol_route+0x56f/0x840 [ 543.721546][ T1167] fib6_rule_lookup+0x334/0x630 [ 543.721546][ T1167] ip6_route_output_flags+0x259/0x480 [ 543.721546][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 543.721546][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 543.721546][ T1167] netlink_rcv_skb+0x130/0x360 [ 543.721546][ T1167] netlink_unicast+0x449/0x710 [ 543.721546][ T1167] netlink_sendmsg+0x723/0xbe0 [ 543.721546][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 543.721546][ T1167] ___sys_sendmsg+0xee/0x170 [ 543.721546][ T1167] __sys_sendmsg+0xcd/0x170 [ 543.721546][ T1167] do_syscall_64+0xc6/0x1e0 [ 543.721546][ T1167] [ 543.723862][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 543.723862][ T1167] netdev_get_by_index+0x5e/0x80 [ 543.723862][ T1167] fib6_nh_init+0x3d8/0x1580 [ 543.723862][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 543.723862][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 543.723862][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 543.723862][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 543.723862][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 543.723862][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 543.723862][ T1167] addrconf_dad_begin+0x310/0x670 [ 543.723862][ T1167] addrconf_dad_work+0x10b/0xab0 [ 543.723862][ T1167] process_one_work+0x84d/0x18a0 [ 543.723862][ T1167] worker_thread+0x587/0xd30 [ 543.723862][ T1167] kthread+0x28a/0x350 [ 543.723862][ T1167] ret_from_fork+0x31/0x70 [ 543.723862][ T1167] ret_from_fork_asm+0x1a/0x30 [ 543.723862][ T1167] [ 543.726066][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 543.726066][ T1167] netdev_get_by_index+0x5e/0x80 [ 543.726066][ T1167] fib6_nh_init+0x3d8/0x1580 [ 543.726066][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 543.726066][ T1167] ip6_route_add+0x1c/0x140 [ 543.726066][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 543.726066][ T1167] inet6_addr_add+0x4f8/0xa40 [ 543.726066][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 543.726066][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.726066][ T1167] netlink_rcv_skb+0x130/0x360 [ 543.726066][ T1167] netlink_unicast+0x449/0x710 [ 543.726066][ T1167] netlink_sendmsg+0x723/0xbe0 [ 543.726066][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 543.726066][ T1167] ___sys_sendmsg+0xee/0x170 [ 543.726066][ T1167] __sys_sendmsg+0xcd/0x170 [ 543.726066][ T1167] do_syscall_64+0xc6/0x1e0 [ 543.726066][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.726066][ T1167] [ 543.728360][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 543.728360][ T1167] netdev_get_by_index+0x5e/0x80 [ 543.728360][ T1167] fib6_nh_init+0x3d8/0x1580 [ 543.728360][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 543.728360][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 543.728360][ T1167] ipv6_add_addr+0x411/0x2000 [ 543.728360][ T1167] inet6_addr_add+0x30e/0xa40 [ 543.728360][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 543.728360][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.728360][ T1167] netlink_rcv_skb+0x130/0x360 [ 543.728360][ T1167] netlink_unicast+0x449/0x710 [ 543.728360][ T1167] netlink_sendmsg+0x723/0xbe0 [ 543.728360][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 543.728360][ T1167] ___sys_sendmsg+0xee/0x170 [ 543.728360][ T1167] __sys_sendmsg+0xcd/0x170 [ 543.728360][ T1167] do_syscall_64+0xc6/0x1e0 [ 543.728360][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.728360][ T1167] [ 543.730651][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 543.730651][ T1167] netdev_get_by_index+0x5e/0x80 [ 543.730651][ T1167] fib6_nh_init+0x3d8/0x1580 [ 543.730651][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 543.730651][ T1167] ip6_route_add+0x1c/0x140 [ 543.730651][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 543.730651][ T1167] addrconf_add_dev+0xe2/0x170 [ 543.730651][ T1167] inet6_addr_add+0x12f/0xa40 [ 543.730651][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 543.730651][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.730651][ T1167] netlink_rcv_skb+0x130/0x360 [ 543.730651][ T1167] netlink_unicast+0x449/0x710 [ 543.730651][ T1167] netlink_sendmsg+0x723/0xbe0 [ 543.730651][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 543.730651][ T1167] ___sys_sendmsg+0xee/0x170 [ 543.730651][ T1167] __sys_sendmsg+0xcd/0x170 [ 543.730651][ T1167] do_syscall_64+0xc6/0x1e0 [ 543.730651][ T1167] [ 543.732885][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 543.732885][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 543.732885][ T1167] ipv6_find_idev+0x102/0x170 [ 543.732885][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.732885][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.732885][ T1167] netlink_rcv_skb+0x130/0x360 [ 543.732885][ T1167] netlink_unicast+0x449/0x710 [ 543.732885][ T1167] netlink_sendmsg+0x723/0xbe0 [ 543.732885][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 543.732885][ T1167] ___sys_sendmsg+0xee/0x170 [ 543.732885][ T1167] __sys_sendmsg+0xcd/0x170 [ 543.732885][ T1167] do_syscall_64+0xc6/0x1e0 [ 543.732885][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.732885][ T1167] [ 543.734751][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 543.734751][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 543.734751][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 543.734751][ T1167] ipv6_find_idev+0x102/0x170 [ 543.734751][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.734751][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.734751][ T1167] netlink_rcv_skb+0x130/0x360 [ 543.734751][ T1167] netlink_unicast+0x449/0x710 [ 543.734751][ T1167] netlink_sendmsg+0x723/0xbe0 [ 543.734751][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 543.734751][ T1167] ___sys_sendmsg+0xee/0x170 [ 543.734751][ T1167] __sys_sendmsg+0xcd/0x170 [ 543.734751][ T1167] do_syscall_64+0xc6/0x1e0 [ 543.734751][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.734751][ T1167] [ 552.209099][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 552.209578][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 552.209578][ T10] netdev_get_by_index+0x5e/0x80 [ 552.209578][ T10] fib6_nh_init+0x3d8/0x1580 [ 552.209578][ T10] ip6_route_info_create+0xf18/0x17d0 [ 552.209578][ T10] addrconf_f6i_alloc+0x265/0x560 [ 552.209578][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 552.209578][ T10] addrconf_join_anycast+0x1c0/0x220 [ 552.209578][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 552.209578][ T10] addrconf_dad_completed+0x12b/0xe20 [ 552.209578][ T10] addrconf_dad_begin+0x310/0x670 [ 552.209578][ T10] addrconf_dad_work+0x10b/0xab0 [ 552.209578][ T10] process_one_work+0x84d/0x18a0 [ 552.209578][ T10] worker_thread+0x587/0xd30 [ 552.209578][ T10] kthread+0x28a/0x350 [ 552.209578][ T10] ret_from_fork+0x31/0x70 [ 552.209578][ T10] ret_from_fork_asm+0x1a/0x30 [ 552.209578][ T10] [ 552.212529][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 552.212529][ T10] netdev_get_by_index+0x5e/0x80 [ 552.212529][ T10] fib6_nh_init+0x3d8/0x1580 [ 552.212529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 552.212529][ T10] ip6_route_add+0x1c/0x140 [ 552.212529][ T10] addrconf_prefix_route+0x2a6/0x430 [ 552.212529][ T10] inet6_addr_add+0x4f8/0xa40 [ 552.212529][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 552.212529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 552.212529][ T10] netlink_rcv_skb+0x130/0x360 [ 552.212529][ T10] netlink_unicast+0x449/0x710 [ 552.212529][ T10] netlink_sendmsg+0x723/0xbe0 [ 552.212529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 552.212529][ T10] ___sys_sendmsg+0xee/0x170 [ 552.212529][ T10] __sys_sendmsg+0xcd/0x170 [ 552.212529][ T10] do_syscall_64+0xc6/0x1e0 [ 552.212529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 552.212529][ T10] [ 552.215484][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 552.215484][ T10] netdev_get_by_index+0x5e/0x80 [ 552.215484][ T10] fib6_nh_init+0x3d8/0x1580 [ 552.215484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 552.215484][ T10] addrconf_f6i_alloc+0x315/0x560 [ 552.215484][ T10] ipv6_add_addr+0x411/0x2000 [ 552.215484][ T10] inet6_addr_add+0x30e/0xa40 [ 552.215484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 552.215484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 552.215484][ T10] netlink_rcv_skb+0x130/0x360 [ 552.215484][ T10] netlink_unicast+0x449/0x710 [ 552.215484][ T10] netlink_sendmsg+0x723/0xbe0 [ 552.215484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 552.215484][ T10] ___sys_sendmsg+0xee/0x170 [ 552.215484][ T10] __sys_sendmsg+0xcd/0x170 [ 552.215484][ T10] do_syscall_64+0xc6/0x1e0 [ 552.215484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 552.215484][ T10] [ 552.218668][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 552.218668][ T10] netdev_get_by_index+0x5e/0x80 [ 552.218668][ T10] fib6_nh_init+0x3d8/0x1580 [ 552.218668][ T10] ip6_route_info_create+0xf18/0x17d0 [ 552.218668][ T10] ip6_route_add+0x1c/0x140 [ 552.218668][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 552.218668][ T10] addrconf_add_dev+0xe2/0x170 [ 552.218668][ T10] inet6_addr_add+0x12f/0xa40 [ 552.218668][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 552.218668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 552.218668][ T10] netlink_rcv_skb+0x130/0x360 [ 552.218668][ T10] netlink_unicast+0x449/0x710 [ 552.218668][ T10] netlink_sendmsg+0x723/0xbe0 [ 552.218668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 552.218668][ T10] ___sys_sendmsg+0xee/0x170 [ 552.218668][ T10] __sys_sendmsg+0xcd/0x170 [ 552.218668][ T10] do_syscall_64+0xc6/0x1e0 [ 552.218668][ T10] [ 552.221771][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 552.221771][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 552.221771][ T10] ipv6_find_idev+0x102/0x170 [ 552.221771][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 552.221771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 552.221771][ T10] netlink_rcv_skb+0x130/0x360 [ 552.221771][ T10] netlink_unicast+0x449/0x710 [ 552.221771][ T10] netlink_sendmsg+0x723/0xbe0 [ 552.221771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 552.221771][ T10] ___sys_sendmsg+0xee/0x170 [ 552.221771][ T10] __sys_sendmsg+0xcd/0x170 [ 552.221771][ T10] do_syscall_64+0xc6/0x1e0 [ 552.221771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 552.221771][ T10] [ 552.224125][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 552.224125][ T10] neigh_parms_alloc+0x1e5/0x510 [ 552.224125][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 552.224125][ T10] ipv6_find_idev+0x102/0x170 [ 552.224125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 552.224125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 552.224125][ T10] netlink_rcv_skb+0x130/0x360 [ 552.224125][ T10] netlink_unicast+0x449/0x710 [ 552.224125][ T10] netlink_sendmsg+0x723/0xbe0 [ 552.224125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 552.224125][ T10] ___sys_sendmsg+0xee/0x170 [ 552.224125][ T10] __sys_sendmsg+0xcd/0x170 [ 552.224125][ T10] do_syscall_64+0xc6/0x1e0 [ 552.224125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 552.224125][ T10] [ 552.226721][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 552.227103][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 552.227103][ T10] netdev_get_by_index+0x5e/0x80 [ 552.227103][ T10] fib6_nh_init+0x3d8/0x1580 [ 552.227103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 552.227103][ T10] addrconf_f6i_alloc+0x265/0x560 [ 552.227103][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 552.227103][ T10] addrconf_join_anycast+0x1c0/0x220 [ 552.227103][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 552.227103][ T10] addrconf_dad_completed+0x12b/0xe20 [ 552.227103][ T10] addrconf_dad_begin+0x310/0x670 [ 552.227103][ T10] addrconf_dad_work+0x10b/0xab0 [ 552.227103][ T10] process_one_work+0x84d/0x18a0 [ 552.227103][ T10] worker_thread+0x587/0xd30 [ 552.227103][ T10] kthread+0x28a/0x350 [ 552.227103][ T10] ret_from_fork+0x31/0x70 [ 552.227103][ T10] ret_from_fork_asm+0x1a/0x30 [ 552.227103][ T10] [ 552.229940][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 552.229940][ T10] netdev_get_by_index+0x5e/0x80 [ 552.229940][ T10] fib6_nh_init+0x3d8/0x1580 [ 552.229940][ T10] ip6_route_info_create+0xf18/0x17d0 [ 552.229940][ T10] ip6_route_add+0x1c/0x140 [ 552.229940][ T10] addrconf_prefix_route+0x2a6/0x430 [ 552.229940][ T10] inet6_addr_add+0x4f8/0xa40 [ 552.229940][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 552.229940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 552.229940][ T10] netlink_rcv_skb+0x130/0x360 [ 552.229940][ T10] netlink_unicast+0x449/0x710 [ 552.229940][ T10] netlink_sendmsg+0x723/0xbe0 [ 552.229940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 552.229940][ T10] ___sys_sendmsg+0xee/0x170 [ 552.229940][ T10] __sys_sendmsg+0xcd/0x170 [ 552.229940][ T10] do_syscall_64+0xc6/0x1e0 [ 552.229940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 552.229940][ T10] [ 552.232970][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 552.232970][ T10] netdev_get_by_index+0x5e/0x80 [ 552.232970][ T10] fib6_nh_init+0x3d8/0x1580 [ 552.232970][ T10] ip6_route_info_create+0xf18/0x17d0 [ 552.232970][ T10] addrconf_f6i_alloc+0x315/0x560 [ 552.232970][ T10] ipv6_add_addr+0x411/0x2000 [ 552.232970][ T10] inet6_addr_add+0x30e/0xa40 [ 552.232970][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 552.232970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 552.232970][ T10] netlink_rcv_skb+0x130/0x360 [ 552.232970][ T10] netlink_unicast+0x449/0x710 [ 552.232970][ T10] netlink_sendmsg+0x723/0xbe0 [ 552.232970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 552.232970][ T10] ___sys_sendmsg+0xee/0x170 [ 552.232970][ T10] __sys_sendmsg+0xcd/0x170 [ 552.232970][ T10] do_syscall_64+0xc6/0x1e0 [ 552.232970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 552.232970][ T10] [ 552.236029][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 552.236029][ T10] netdev_get_by_index+0x5e/0x80 [ 552.236029][ T10] fib6_nh_init+0x3d8/0x1580 [ 552.236029][ T10] ip6_route_info_create+0xf18/0x17d0 [ 552.236029][ T10] ip6_route_add+0x1c/0x140 [ 552.236029][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 552.236029][ T10] addrconf_add_dev+0xe2/0x170 [ 552.236029][ T10] inet6_addr_add+0x12f/0xa40 [ 552.236029][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 552.236029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 552.236029][ T10] netlink_rcv_skb+0x130/0x360 [ 552.236029][ T10] netlink_unicast+0x449/0x710 [ 552.236029][ T10] netlink_sendmsg+0x723/0xbe0 [ 552.236029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 552.236029][ T10] ___sys_sendmsg+0xee/0x170 [ 552.236029][ T10] __sys_sendmsg+0xcd/0x170 [ 552.236029][ T10] do_syscall_64+0xc6/0x1e0 [ 552.236029][ T10] [ 552.239024][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 552.239024][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 552.239024][ T10] ipv6_find_idev+0x102/0x170 [ 552.239024][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 552.239024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 552.239024][ T10] netlink_rcv_skb+0x130/0x360 [ 552.239024][ T10] netlink_unicast+0x449/0x710 [ 552.239024][ T10] netlink_sendmsg+0x723/0xbe0 [ 552.239024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 552.239024][ T10] ___sys_sendmsg+0xee/0x170 [ 552.239024][ T10] __sys_sendmsg+0xcd/0x170 [ 552.239024][ T10] do_syscall_64+0xc6/0x1e0 [ 552.239024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 552.239024][ T10] [ 552.241386][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 552.241386][ T10] neigh_parms_alloc+0x1e5/0x510 [ 552.241386][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 552.241386][ T10] ipv6_find_idev+0x102/0x170 [ 552.241386][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 552.241386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 552.241386][ T10] netlink_rcv_skb+0x130/0x360 [ 552.241386][ T10] netlink_unicast+0x449/0x710 [ 552.241386][ T10] netlink_sendmsg+0x723/0xbe0 [ 552.241386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 552.241386][ T10] ___sys_sendmsg+0xee/0x170 [ 552.241386][ T10] __sys_sendmsg+0xcd/0x170 [ 552.241386][ T10] do_syscall_64+0xc6/0x1e0 [ 552.241386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 552.241386][ T10] [ 552.243142][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 552.243404][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 552.243404][ T10] netdev_get_by_index+0x5e/0x80 [ 552.243404][ T10] fib6_nh_init+0x3d8/0x1580 [ 552.243404][ T10] ip6_route_info_create+0xf18/0x17d0 [ 552.243404][ T10] addrconf_f6i_alloc+0x265/0x560 [ 552.243404][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 552.243404][ T10] addrconf_join_anycast+0x1c0/0x220 [ 552.243404][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 552.243404][ T10] addrconf_dad_completed+0x12b/0xe20 [ 552.243404][ T10] addrconf_dad_begin+0x310/0x670 [ 552.243404][ T10] addrconf_dad_work+0x10b/0xab0 [ 552.243404][ T10] process_one_work+0x84d/0x18a0 [ 552.243404][ T10] worker_thread+0x587/0xd30 [ 552.243404][ T10] kthread+0x28a/0x350 [ 552.243404][ T10] ret_from_fork+0x31/0x70 [ 552.243404][ T10] ret_from_fork_asm+0x1a/0x30 [ 552.243404][ T10] [ 552.245737][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 552.245737][ T10] netdev_get_by_index+0x5e/0x80 [ 552.245737][ T10] fib6_nh_init+0x3d8/0x1580 [ 552.245737][ T10] ip6_route_info_create+0xf18/0x17d0 [ 552.245737][ T10] ip6_route_add+0x1c/0x140 [ 552.245737][ T10] addrconf_prefix_route+0x2a6/0x430 [ 552.245737][ T10] inet6_addr_add+0x4f8/0xa40 [ 552.245737][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 552.245737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 552.245737][ T10] netlink_rcv_skb+0x130/0x360 [ 552.245737][ T10] netlink_unicast+0x449/0x710 [ 552.245737][ T10] netlink_sendmsg+0x723/0xbe0 [ 552.245737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 552.245737][ T10] ___sys_sendmsg+0xee/0x170 [ 552.245737][ T10] __sys_sendmsg+0xcd/0x170 [ 552.245737][ T10] do_syscall_64+0xc6/0x1e0 [ 552.245737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 552.245737][ T10] [ 552.248056][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 552.248056][ T10] netdev_get_by_index+0x5e/0x80 [ 552.248056][ T10] fib6_nh_init+0x3d8/0x1580 [ 552.248056][ T10] ip6_route_info_create+0xf18/0x17d0 [ 552.248056][ T10] addrconf_f6i_alloc+0x315/0x560 [ 552.248056][ T10] ipv6_add_addr+0x411/0x2000 [ 552.248056][ T10] inet6_addr_add+0x30e/0xa40 [ 552.248056][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 552.248056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 552.248056][ T10] netlink_rcv_skb+0x130/0x360 [ 552.248056][ T10] netlink_unicast+0x449/0x710 [ 552.248056][ T10] netlink_sendmsg+0x723/0xbe0 [ 552.248056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 552.248056][ T10] ___sys_sendmsg+0xee/0x170 [ 552.248056][ T10] __sys_sendmsg+0xcd/0x170 [ 552.248056][ T10] do_syscall_64+0xc6/0x1e0 [ 552.248056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 552.248056][ T10] [ 552.251474][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 552.251474][ T10] netdev_get_by_index+0x5e/0x80 [ 552.251474][ T10] fib6_nh_init+0x3d8/0x1580 [ 552.251474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 552.251474][ T10] ip6_route_add+0x1c/0x140 [ 552.251474][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 552.251474][ T10] addrconf_add_dev+0xe2/0x170 [ 552.251474][ T10] inet6_addr_add+0x12f/0xa40 [ 552.251474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 552.251474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 552.251474][ T10] netlink_rcv_skb+0x130/0x360 [ 552.251474][ T10] netlink_unicast+0x449/0x710 [ 552.251474][ T10] netlink_sendmsg+0x723/0xbe0 [ 552.251474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 552.251474][ T10] ___sys_sendmsg+0xee/0x170 [ 552.251474][ T10] __sys_sendmsg+0xcd/0x170 [ 552.251474][ T10] do_syscall_64+0xc6/0x1e0 [ 552.251474][ T10] [ 552.255083][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 552.255083][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 552.255083][ T10] ipv6_find_idev+0x102/0x170 [ 552.255083][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 552.255083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 552.255083][ T10] netlink_rcv_skb+0x130/0x360 [ 552.255083][ T10] netlink_unicast+0x449/0x710 [ 552.255083][ T10] netlink_sendmsg+0x723/0xbe0 [ 552.255083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 552.255083][ T10] ___sys_sendmsg+0xee/0x170 [ 552.255083][ T10] __sys_sendmsg+0xcd/0x170 [ 552.255083][ T10] do_syscall_64+0xc6/0x1e0 [ 552.255083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 552.255083][ T10] [ 552.257842][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 552.257842][ T10] neigh_parms_alloc+0x1e5/0x510 [ 552.257842][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 552.257842][ T10] ipv6_find_idev+0x102/0x170 [ 552.257842][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 552.257842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 552.257842][ T10] netlink_rcv_skb+0x130/0x360 [ 552.257842][ T10] netlink_unicast+0x449/0x710 [ 552.257842][ T10] netlink_sendmsg+0x723/0xbe0 [ 552.257842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 552.257842][ T10] ___sys_sendmsg+0xee/0x170 [ 552.257842][ T10] __sys_sendmsg+0xcd/0x170 [ 552.257842][ T10] do_syscall_64+0xc6/0x1e0 [ 552.257842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 552.257842][ T10] [ 552.260879][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 552.262928][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 552.262928][ T10] netdev_get_by_index+0x5e/0x80 [ 552.262928][ T10] fib6_nh_init+0x3d8/0x1580 [ 552.262928][ T10] ip6_route_info_create+0xf18/0x17d0 [ 552.262928][ T10] addrconf_f6i_alloc+0x265/0x560 [ 552.262928][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 552.262928][ T10] addrconf_join_anycast+0x1c0/0x220 [ 552.262928][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 552.262928][ T10] addrconf_dad_completed+0x12b/0xe20 [ 552.262928][ T10] addrconf_dad_begin+0x310/0x670 [ 552.262928][ T10] addrconf_dad_work+0x10b/0xab0 [ 552.262928][ T10] process_one_work+0x84d/0x18a0 [ 552.262928][ T10] worker_thread+0x587/0xd30 [ 552.262928][ T10] kthread+0x28a/0x350 [ 552.262928][ T10] ret_from_fork+0x31/0x70 [ 552.262928][ T10] ret_from_fork_asm+0x1a/0x30 [ 552.262928][ T10] [ 552.265850][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 552.265850][ T10] netdev_get_by_index+0x5e/0x80 [ 552.265850][ T10] fib6_nh_init+0x3d8/0x1580 [ 552.265850][ T10] ip6_route_info_create+0xf18/0x17d0 [ 552.265850][ T10] ip6_route_add+0x1c/0x140 [ 552.265850][ T10] addrconf_prefix_route+0x2a6/0x430 [ 552.265850][ T10] inet6_addr_add+0x4f8/0xa40 [ 552.265850][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 552.265850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 552.265850][ T10] netlink_rcv_skb+0x130/0x360 [ 552.265850][ T10] netlink_unicast+0x449/0x710 [ 552.265850][ T10] netlink_sendmsg+0x723/0xbe0 [ 552.265850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 552.265850][ T10] ___sys_sendmsg+0xee/0x170 [ 552.265850][ T10] __sys_sendmsg+0xcd/0x170 [ 552.265850][ T10] do_syscall_64+0xc6/0x1e0 [ 552.265850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 552.265850][ T10] [ 552.267841][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 552.267841][ T10] netdev_get_by_index+0x5e/0x80 [ 552.267841][ T10] fib6_nh_init+0x3d8/0x1580 [ 552.267841][ T10] ip6_route_info_create+0xf18/0x17d0 [ 552.267841][ T10] addrconf_f6i_alloc+0x315/0x560 [ 552.267841][ T10] ipv6_add_addr+0x411/0x2000 [ 552.267841][ T10] inet6_addr_add+0x30e/0xa40 [ 552.267841][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 552.267841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 552.267841][ T10] netlink_rcv_skb+0x130/0x360 [ 552.267841][ T10] netlink_unicast+0x449/0x710 [ 552.267841][ T10] netlink_sendmsg+0x723/0xbe0 [ 552.267841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 552.267841][ T10] ___sys_sendmsg+0xee/0x170 [ 552.267841][ T10] __sys_sendmsg+0xcd/0x170 [ 552.267841][ T10] do_syscall_64+0xc6/0x1e0 [ 552.267841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 552.267841][ T10] [ 552.269827][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 552.269827][ T10] netdev_get_by_index+0x5e/0x80 [ 552.269827][ T10] fib6_nh_init+0x3d8/0x1580 [ 552.269827][ T10] ip6_route_info_create+0xf18/0x17d0 [ 552.269827][ T10] ip6_route_add+0x1c/0x140 [ 552.269827][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 552.269827][ T10] addrconf_add_dev+0xe2/0x170 [ 552.269827][ T10] inet6_addr_add+0x12f/0xa40 [ 552.269827][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 552.269827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 552.269827][ T10] netlink_rcv_skb+0x130/0x360 [ 552.269827][ T10] netlink_unicast+0x449/0x710 [ 552.269827][ T10] netlink_sendmsg+0x723/0xbe0 [ 552.269827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 552.269827][ T10] ___sys_sendmsg+0xee/0x170 [ 552.269827][ T10] __sys_sendmsg+0xcd/0x170 [ 552.269827][ T10] do_syscall_64+0xc6/0x1e0 [ 552.269827][ T10] [ 552.272026][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 552.272026][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 552.272026][ T10] ipv6_find_idev+0x102/0x170 [ 552.272026][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 552.272026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 552.272026][ T10] netlink_rcv_skb+0x130/0x360 [ 552.272026][ T10] netlink_unicast+0x449/0x710 [ 552.272026][ T10] netlink_sendmsg+0x723/0xbe0 [ 552.272026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 552.272026][ T10] ___sys_sendmsg+0xee/0x170 [ 552.272026][ T10] __sys_sendmsg+0xcd/0x170 [ 552.272026][ T10] do_syscall_64+0xc6/0x1e0 [ 552.272026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 552.272026][ T10] [ 552.273669][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 552.273669][ T10] neigh_parms_alloc+0x1e5/0x510 [ 552.273669][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 552.273669][ T10] ipv6_find_idev+0x102/0x170 [ 552.273669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 552.273669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 552.273669][ T10] netlink_rcv_skb+0x130/0x360 [ 552.273669][ T10] netlink_unicast+0x449/0x710 [ 552.273669][ T10] netlink_sendmsg+0x723/0xbe0 [ 552.273669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 552.273669][ T10] ___sys_sendmsg+0xee/0x170 [ 552.273669][ T10] __sys_sendmsg+0xcd/0x170 [ 552.273669][ T10] do_syscall_64+0xc6/0x1e0 [ 552.273669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 552.273669][ T10] [ 553.977057][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 553.977483][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 553.977483][ T1167] dst_init+0x84/0x4a0 [ 553.977483][ T1167] dst_alloc+0x97/0x150 [ 553.977483][ T1167] ip6_dst_alloc+0x23/0x90 [ 553.977483][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 553.977483][ T1167] ip6_pol_route+0x56f/0x840 [ 553.977483][ T1167] fib6_rule_lookup+0x334/0x630 [ 553.977483][ T1167] ip6_route_output_flags+0x259/0x480 [ 553.977483][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 553.977483][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 553.977483][ T1167] netlink_rcv_skb+0x130/0x360 [ 553.977483][ T1167] netlink_unicast+0x449/0x710 [ 553.977483][ T1167] netlink_sendmsg+0x723/0xbe0 [ 553.977483][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 553.977483][ T1167] ___sys_sendmsg+0xee/0x170 [ 553.977483][ T1167] __sys_sendmsg+0xcd/0x170 [ 553.977483][ T1167] do_syscall_64+0xc6/0x1e0 [ 553.977483][ T1167] [ 553.979777][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 553.979777][ T1167] netdev_get_by_index+0x5e/0x80 [ 553.979777][ T1167] fib6_nh_init+0x3d8/0x1580 [ 553.979777][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 553.979777][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 553.979777][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 553.979777][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 553.979777][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 553.979777][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 553.979777][ T1167] addrconf_dad_begin+0x310/0x670 [ 553.979777][ T1167] addrconf_dad_work+0x10b/0xab0 [ 553.979777][ T1167] process_one_work+0x84d/0x18a0 [ 553.979777][ T1167] worker_thread+0x587/0xd30 [ 553.979777][ T1167] kthread+0x28a/0x350 [ 553.979777][ T1167] ret_from_fork+0x31/0x70 [ 553.979777][ T1167] ret_from_fork_asm+0x1a/0x30 [ 553.979777][ T1167] [ 553.982121][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 553.982121][ T1167] netdev_get_by_index+0x5e/0x80 [ 553.982121][ T1167] fib6_nh_init+0x3d8/0x1580 [ 553.982121][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 553.982121][ T1167] ip6_route_add+0x1c/0x140 [ 553.982121][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 553.982121][ T1167] inet6_addr_add+0x4f8/0xa40 [ 553.982121][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 553.982121][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.982121][ T1167] netlink_rcv_skb+0x130/0x360 [ 553.982121][ T1167] netlink_unicast+0x449/0x710 [ 553.982121][ T1167] netlink_sendmsg+0x723/0xbe0 [ 553.982121][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 553.982121][ T1167] ___sys_sendmsg+0xee/0x170 [ 553.982121][ T1167] __sys_sendmsg+0xcd/0x170 [ 553.982121][ T1167] do_syscall_64+0xc6/0x1e0 [ 553.982121][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.982121][ T1167] [ 553.984455][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 553.984455][ T1167] netdev_get_by_index+0x5e/0x80 [ 553.984455][ T1167] fib6_nh_init+0x3d8/0x1580 [ 553.984455][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 553.984455][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 553.984455][ T1167] ipv6_add_addr+0x411/0x2000 [ 553.984455][ T1167] inet6_addr_add+0x30e/0xa40 [ 553.984455][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 553.984455][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.984455][ T1167] netlink_rcv_skb+0x130/0x360 [ 553.984455][ T1167] netlink_unicast+0x449/0x710 [ 553.984455][ T1167] netlink_sendmsg+0x723/0xbe0 [ 553.984455][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 553.984455][ T1167] ___sys_sendmsg+0xee/0x170 [ 553.984455][ T1167] __sys_sendmsg+0xcd/0x170 [ 553.984455][ T1167] do_syscall_64+0xc6/0x1e0 [ 553.984455][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.984455][ T1167] [ 553.986806][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 553.986806][ T1167] netdev_get_by_index+0x5e/0x80 [ 553.986806][ T1167] fib6_nh_init+0x3d8/0x1580 [ 553.986806][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 553.986806][ T1167] ip6_route_add+0x1c/0x140 [ 553.986806][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 553.986806][ T1167] addrconf_add_dev+0xe2/0x170 [ 553.986806][ T1167] inet6_addr_add+0x12f/0xa40 [ 553.986806][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 553.986806][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.986806][ T1167] netlink_rcv_skb+0x130/0x360 [ 553.986806][ T1167] netlink_unicast+0x449/0x710 [ 553.986806][ T1167] netlink_sendmsg+0x723/0xbe0 [ 553.986806][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 553.986806][ T1167] ___sys_sendmsg+0xee/0x170 [ 553.986806][ T1167] __sys_sendmsg+0xcd/0x170 [ 553.986806][ T1167] do_syscall_64+0xc6/0x1e0 [ 553.986806][ T1167] [ 553.989074][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 553.989074][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 553.989074][ T1167] ipv6_find_idev+0x102/0x170 [ 553.989074][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.989074][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.989074][ T1167] netlink_rcv_skb+0x130/0x360 [ 553.989074][ T1167] netlink_unicast+0x449/0x710 [ 553.989074][ T1167] netlink_sendmsg+0x723/0xbe0 [ 553.989074][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 553.989074][ T1167] ___sys_sendmsg+0xee/0x170 [ 553.989074][ T1167] __sys_sendmsg+0xcd/0x170 [ 553.989074][ T1167] do_syscall_64+0xc6/0x1e0 [ 553.989074][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.989074][ T1167] [ 553.990808][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 553.990808][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 553.990808][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 553.990808][ T1167] ipv6_find_idev+0x102/0x170 [ 553.990808][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.990808][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.990808][ T1167] netlink_rcv_skb+0x130/0x360 [ 553.990808][ T1167] netlink_unicast+0x449/0x710 [ 553.990808][ T1167] netlink_sendmsg+0x723/0xbe0 [ 553.990808][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 553.990808][ T1167] ___sys_sendmsg+0xee/0x170 [ 553.990808][ T1167] __sys_sendmsg+0xcd/0x170 [ 553.990808][ T1167] do_syscall_64+0xc6/0x1e0 [ 553.990808][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.990808][ T1167] [ 562.529124][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 562.529611][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 562.529611][ T10] netdev_get_by_index+0x5e/0x80 [ 562.529611][ T10] fib6_nh_init+0x3d8/0x1580 [ 562.529611][ T10] ip6_route_info_create+0xf18/0x17d0 [ 562.529611][ T10] addrconf_f6i_alloc+0x265/0x560 [ 562.529611][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 562.529611][ T10] addrconf_join_anycast+0x1c0/0x220 [ 562.529611][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 562.529611][ T10] addrconf_dad_completed+0x12b/0xe20 [ 562.529611][ T10] addrconf_dad_begin+0x310/0x670 [ 562.529611][ T10] addrconf_dad_work+0x10b/0xab0 [ 562.529611][ T10] process_one_work+0x84d/0x18a0 [ 562.529611][ T10] worker_thread+0x587/0xd30 [ 562.529611][ T10] kthread+0x28a/0x350 [ 562.529611][ T10] ret_from_fork+0x31/0x70 [ 562.529611][ T10] ret_from_fork_asm+0x1a/0x30 [ 562.529611][ T10] [ 562.532580][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 562.532580][ T10] netdev_get_by_index+0x5e/0x80 [ 562.532580][ T10] fib6_nh_init+0x3d8/0x1580 [ 562.532580][ T10] ip6_route_info_create+0xf18/0x17d0 [ 562.532580][ T10] ip6_route_add+0x1c/0x140 [ 562.532580][ T10] addrconf_prefix_route+0x2a6/0x430 [ 562.532580][ T10] inet6_addr_add+0x4f8/0xa40 [ 562.532580][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 562.532580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.532580][ T10] netlink_rcv_skb+0x130/0x360 [ 562.532580][ T10] netlink_unicast+0x449/0x710 [ 562.532580][ T10] netlink_sendmsg+0x723/0xbe0 [ 562.532580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 562.532580][ T10] ___sys_sendmsg+0xee/0x170 [ 562.532580][ T10] __sys_sendmsg+0xcd/0x170 [ 562.532580][ T10] do_syscall_64+0xc6/0x1e0 [ 562.532580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 562.532580][ T10] [ 562.535616][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 562.535616][ T10] netdev_get_by_index+0x5e/0x80 [ 562.535616][ T10] fib6_nh_init+0x3d8/0x1580 [ 562.535616][ T10] ip6_route_info_create+0xf18/0x17d0 [ 562.535616][ T10] addrconf_f6i_alloc+0x315/0x560 [ 562.535616][ T10] ipv6_add_addr+0x411/0x2000 [ 562.535616][ T10] inet6_addr_add+0x30e/0xa40 [ 562.535616][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 562.535616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.535616][ T10] netlink_rcv_skb+0x130/0x360 [ 562.535616][ T10] netlink_unicast+0x449/0x710 [ 562.535616][ T10] netlink_sendmsg+0x723/0xbe0 [ 562.535616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 562.535616][ T10] ___sys_sendmsg+0xee/0x170 [ 562.535616][ T10] __sys_sendmsg+0xcd/0x170 [ 562.535616][ T10] do_syscall_64+0xc6/0x1e0 [ 562.535616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 562.535616][ T10] [ 562.538590][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 562.538590][ T10] netdev_get_by_index+0x5e/0x80 [ 562.538590][ T10] fib6_nh_init+0x3d8/0x1580 [ 562.538590][ T10] ip6_route_info_create+0xf18/0x17d0 [ 562.538590][ T10] ip6_route_add+0x1c/0x140 [ 562.538590][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 562.538590][ T10] addrconf_add_dev+0xe2/0x170 [ 562.538590][ T10] inet6_addr_add+0x12f/0xa40 [ 562.538590][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 562.538590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.538590][ T10] netlink_rcv_skb+0x130/0x360 [ 562.538590][ T10] netlink_unicast+0x449/0x710 [ 562.538590][ T10] netlink_sendmsg+0x723/0xbe0 [ 562.538590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 562.538590][ T10] ___sys_sendmsg+0xee/0x170 [ 562.538590][ T10] __sys_sendmsg+0xcd/0x170 [ 562.538590][ T10] do_syscall_64+0xc6/0x1e0 [ 562.538590][ T10] [ 562.541517][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 562.541517][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 562.541517][ T10] ipv6_find_idev+0x102/0x170 [ 562.541517][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 562.541517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.541517][ T10] netlink_rcv_skb+0x130/0x360 [ 562.541517][ T10] netlink_unicast+0x449/0x710 [ 562.541517][ T10] netlink_sendmsg+0x723/0xbe0 [ 562.541517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 562.541517][ T10] ___sys_sendmsg+0xee/0x170 [ 562.541517][ T10] __sys_sendmsg+0xcd/0x170 [ 562.541517][ T10] do_syscall_64+0xc6/0x1e0 [ 562.541517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 562.541517][ T10] [ 562.544006][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 562.544006][ T10] neigh_parms_alloc+0x1e5/0x510 [ 562.544006][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 562.544006][ T10] ipv6_find_idev+0x102/0x170 [ 562.544006][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 562.544006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.544006][ T10] netlink_rcv_skb+0x130/0x360 [ 562.544006][ T10] netlink_unicast+0x449/0x710 [ 562.544006][ T10] netlink_sendmsg+0x723/0xbe0 [ 562.544006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 562.544006][ T10] ___sys_sendmsg+0xee/0x170 [ 562.544006][ T10] __sys_sendmsg+0xcd/0x170 [ 562.544006][ T10] do_syscall_64+0xc6/0x1e0 [ 562.544006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 562.544006][ T10] [ 562.546833][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 562.547241][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 562.547241][ T10] netdev_get_by_index+0x5e/0x80 [ 562.547241][ T10] fib6_nh_init+0x3d8/0x1580 [ 562.547241][ T10] ip6_route_info_create+0xf18/0x17d0 [ 562.547241][ T10] addrconf_f6i_alloc+0x265/0x560 [ 562.547241][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 562.547241][ T10] addrconf_join_anycast+0x1c0/0x220 [ 562.547241][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 562.547241][ T10] addrconf_dad_completed+0x12b/0xe20 [ 562.547241][ T10] addrconf_dad_begin+0x310/0x670 [ 562.547241][ T10] addrconf_dad_work+0x10b/0xab0 [ 562.547241][ T10] process_one_work+0x84d/0x18a0 [ 562.547241][ T10] worker_thread+0x587/0xd30 [ 562.547241][ T10] kthread+0x28a/0x350 [ 562.547241][ T10] ret_from_fork+0x31/0x70 [ 562.547241][ T10] ret_from_fork_asm+0x1a/0x30 [ 562.547241][ T10] [ 562.550287][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 562.550287][ T10] netdev_get_by_index+0x5e/0x80 [ 562.550287][ T10] fib6_nh_init+0x3d8/0x1580 [ 562.550287][ T10] ip6_route_info_create+0xf18/0x17d0 [ 562.550287][ T10] ip6_route_add+0x1c/0x140 [ 562.550287][ T10] addrconf_prefix_route+0x2a6/0x430 [ 562.550287][ T10] inet6_addr_add+0x4f8/0xa40 [ 562.550287][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 562.550287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.550287][ T10] netlink_rcv_skb+0x130/0x360 [ 562.550287][ T10] netlink_unicast+0x449/0x710 [ 562.550287][ T10] netlink_sendmsg+0x723/0xbe0 [ 562.550287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 562.550287][ T10] ___sys_sendmsg+0xee/0x170 [ 562.550287][ T10] __sys_sendmsg+0xcd/0x170 [ 562.550287][ T10] do_syscall_64+0xc6/0x1e0 [ 562.550287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 562.550287][ T10] [ 562.553452][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 562.553452][ T10] netdev_get_by_index+0x5e/0x80 [ 562.553452][ T10] fib6_nh_init+0x3d8/0x1580 [ 562.553452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 562.553452][ T10] addrconf_f6i_alloc+0x315/0x560 [ 562.553452][ T10] ipv6_add_addr+0x411/0x2000 [ 562.553452][ T10] inet6_addr_add+0x30e/0xa40 [ 562.553452][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 562.553452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.553452][ T10] netlink_rcv_skb+0x130/0x360 [ 562.553452][ T10] netlink_unicast+0x449/0x710 [ 562.553452][ T10] netlink_sendmsg+0x723/0xbe0 [ 562.553452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 562.553452][ T10] ___sys_sendmsg+0xee/0x170 [ 562.553452][ T10] __sys_sendmsg+0xcd/0x170 [ 562.553452][ T10] do_syscall_64+0xc6/0x1e0 [ 562.553452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 562.553452][ T10] [ 562.556734][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 562.556734][ T10] netdev_get_by_index+0x5e/0x80 [ 562.556734][ T10] fib6_nh_init+0x3d8/0x1580 [ 562.556734][ T10] ip6_route_info_create+0xf18/0x17d0 [ 562.556734][ T10] ip6_route_add+0x1c/0x140 [ 562.556734][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 562.556734][ T10] addrconf_add_dev+0xe2/0x170 [ 562.556734][ T10] inet6_addr_add+0x12f/0xa40 [ 562.556734][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 562.556734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.556734][ T10] netlink_rcv_skb+0x130/0x360 [ 562.556734][ T10] netlink_unicast+0x449/0x710 [ 562.556734][ T10] netlink_sendmsg+0x723/0xbe0 [ 562.556734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 562.556734][ T10] ___sys_sendmsg+0xee/0x170 [ 562.556734][ T10] __sys_sendmsg+0xcd/0x170 [ 562.556734][ T10] do_syscall_64+0xc6/0x1e0 [ 562.556734][ T10] [ 562.559980][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 562.559980][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 562.559980][ T10] ipv6_find_idev+0x102/0x170 [ 562.559980][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 562.559980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.559980][ T10] netlink_rcv_skb+0x130/0x360 [ 562.559980][ T10] netlink_unicast+0x449/0x710 [ 562.559980][ T10] netlink_sendmsg+0x723/0xbe0 [ 562.559980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 562.559980][ T10] ___sys_sendmsg+0xee/0x170 [ 562.559980][ T10] __sys_sendmsg+0xcd/0x170 [ 562.559980][ T10] do_syscall_64+0xc6/0x1e0 [ 562.559980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 562.559980][ T10] [ 562.562485][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 562.562485][ T10] neigh_parms_alloc+0x1e5/0x510 [ 562.562485][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 562.562485][ T10] ipv6_find_idev+0x102/0x170 [ 562.562485][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 562.562485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.562485][ T10] netlink_rcv_skb+0x130/0x360 [ 562.562485][ T10] netlink_unicast+0x449/0x710 [ 562.562485][ T10] netlink_sendmsg+0x723/0xbe0 [ 562.562485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 562.562485][ T10] ___sys_sendmsg+0xee/0x170 [ 562.562485][ T10] __sys_sendmsg+0xcd/0x170 [ 562.562485][ T10] do_syscall_64+0xc6/0x1e0 [ 562.562485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 562.562485][ T10] [ 562.564652][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 562.564937][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 562.564937][ T10] netdev_get_by_index+0x5e/0x80 [ 562.564937][ T10] fib6_nh_init+0x3d8/0x1580 [ 562.564937][ T10] ip6_route_info_create+0xf18/0x17d0 [ 562.564937][ T10] addrconf_f6i_alloc+0x265/0x560 [ 562.564937][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 562.564937][ T10] addrconf_join_anycast+0x1c0/0x220 [ 562.564937][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 562.564937][ T10] addrconf_dad_completed+0x12b/0xe20 [ 562.564937][ T10] addrconf_dad_begin+0x310/0x670 [ 562.564937][ T10] addrconf_dad_work+0x10b/0xab0 [ 562.564937][ T10] process_one_work+0x84d/0x18a0 [ 562.564937][ T10] worker_thread+0x587/0xd30 [ 562.564937][ T10] kthread+0x28a/0x350 [ 562.564937][ T10] ret_from_fork+0x31/0x70 [ 562.564937][ T10] ret_from_fork_asm+0x1a/0x30 [ 562.564937][ T10] [ 562.567028][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 562.567028][ T10] netdev_get_by_index+0x5e/0x80 [ 562.567028][ T10] fib6_nh_init+0x3d8/0x1580 [ 562.567028][ T10] ip6_route_info_create+0xf18/0x17d0 [ 562.567028][ T10] ip6_route_add+0x1c/0x140 [ 562.567028][ T10] addrconf_prefix_route+0x2a6/0x430 [ 562.567028][ T10] inet6_addr_add+0x4f8/0xa40 [ 562.567028][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 562.567028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.567028][ T10] netlink_rcv_skb+0x130/0x360 [ 562.567028][ T10] netlink_unicast+0x449/0x710 [ 562.567028][ T10] netlink_sendmsg+0x723/0xbe0 [ 562.567028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 562.567028][ T10] ___sys_sendmsg+0xee/0x170 [ 562.567028][ T10] __sys_sendmsg+0xcd/0x170 [ 562.567028][ T10] do_syscall_64+0xc6/0x1e0 [ 562.567028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 562.567028][ T10] [ 562.569381][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 562.569381][ T10] netdev_get_by_index+0x5e/0x80 [ 562.569381][ T10] fib6_nh_init+0x3d8/0x1580 [ 562.569381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 562.569381][ T10] addrconf_f6i_alloc+0x315/0x560 [ 562.569381][ T10] ipv6_add_addr+0x411/0x2000 [ 562.569381][ T10] inet6_addr_add+0x30e/0xa40 [ 562.569381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 562.569381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.569381][ T10] netlink_rcv_skb+0x130/0x360 [ 562.569381][ T10] netlink_unicast+0x449/0x710 [ 562.569381][ T10] netlink_sendmsg+0x723/0xbe0 [ 562.569381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 562.569381][ T10] ___sys_sendmsg+0xee/0x170 [ 562.569381][ T10] __sys_sendmsg+0xcd/0x170 [ 562.569381][ T10] do_syscall_64+0xc6/0x1e0 [ 562.569381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 562.569381][ T10] [ 562.571833][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 562.571833][ T10] netdev_get_by_index+0x5e/0x80 [ 562.571833][ T10] fib6_nh_init+0x3d8/0x1580 [ 562.571833][ T10] ip6_route_info_create+0xf18/0x17d0 [ 562.571833][ T10] ip6_route_add+0x1c/0x140 [ 562.571833][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 562.571833][ T10] addrconf_add_dev+0xe2/0x170 [ 562.571833][ T10] inet6_addr_add+0x12f/0xa40 [ 562.571833][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 562.571833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.571833][ T10] netlink_rcv_skb+0x130/0x360 [ 562.571833][ T10] netlink_unicast+0x449/0x710 [ 562.571833][ T10] netlink_sendmsg+0x723/0xbe0 [ 562.571833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 562.571833][ T10] ___sys_sendmsg+0xee/0x170 [ 562.571833][ T10] __sys_sendmsg+0xcd/0x170 [ 562.571833][ T10] do_syscall_64+0xc6/0x1e0 [ 562.571833][ T10] [ 562.574579][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 562.574579][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 562.574579][ T10] ipv6_find_idev+0x102/0x170 [ 562.574579][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 562.574579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.574579][ T10] netlink_rcv_skb+0x130/0x360 [ 562.574579][ T10] netlink_unicast+0x449/0x710 [ 562.574579][ T10] netlink_sendmsg+0x723/0xbe0 [ 562.574579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 562.574579][ T10] ___sys_sendmsg+0xee/0x170 [ 562.574579][ T10] __sys_sendmsg+0xcd/0x170 [ 562.574579][ T10] do_syscall_64+0xc6/0x1e0 [ 562.574579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 562.574579][ T10] [ 562.576482][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 562.576482][ T10] neigh_parms_alloc+0x1e5/0x510 [ 562.576482][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 562.576482][ T10] ipv6_find_idev+0x102/0x170 [ 562.576482][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 562.576482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.576482][ T10] netlink_rcv_skb+0x130/0x360 [ 562.576482][ T10] netlink_unicast+0x449/0x710 [ 562.576482][ T10] netlink_sendmsg+0x723/0xbe0 [ 562.576482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 562.576482][ T10] ___sys_sendmsg+0xee/0x170 [ 562.576482][ T10] __sys_sendmsg+0xcd/0x170 [ 562.576482][ T10] do_syscall_64+0xc6/0x1e0 [ 562.576482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 562.576482][ T10] [ 562.578541][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 562.578811][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 562.578811][ T10] netdev_get_by_index+0x5e/0x80 [ 562.578811][ T10] fib6_nh_init+0x3d8/0x1580 [ 562.578811][ T10] ip6_route_info_create+0xf18/0x17d0 [ 562.578811][ T10] addrconf_f6i_alloc+0x265/0x560 [ 562.578811][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 562.578811][ T10] addrconf_join_anycast+0x1c0/0x220 [ 562.578811][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 562.578811][ T10] addrconf_dad_completed+0x12b/0xe20 [ 562.578811][ T10] addrconf_dad_begin+0x310/0x670 [ 562.578811][ T10] addrconf_dad_work+0x10b/0xab0 [ 562.578811][ T10] process_one_work+0x84d/0x18a0 [ 562.578811][ T10] worker_thread+0x587/0xd30 [ 562.578811][ T10] kthread+0x28a/0x350 [ 562.578811][ T10] ret_from_fork+0x31/0x70 [ 562.578811][ T10] ret_from_fork_asm+0x1a/0x30 [ 562.578811][ T10] [ 562.581160][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 562.581160][ T10] netdev_get_by_index+0x5e/0x80 [ 562.581160][ T10] fib6_nh_init+0x3d8/0x1580 [ 562.581160][ T10] ip6_route_info_create+0xf18/0x17d0 [ 562.581160][ T10] ip6_route_add+0x1c/0x140 [ 562.581160][ T10] addrconf_prefix_route+0x2a6/0x430 [ 562.581160][ T10] inet6_addr_add+0x4f8/0xa40 [ 562.581160][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 562.581160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.581160][ T10] netlink_rcv_skb+0x130/0x360 [ 562.581160][ T10] netlink_unicast+0x449/0x710 [ 562.581160][ T10] netlink_sendmsg+0x723/0xbe0 [ 562.581160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 562.581160][ T10] ___sys_sendmsg+0xee/0x170 [ 562.581160][ T10] __sys_sendmsg+0xcd/0x170 [ 562.581160][ T10] do_syscall_64+0xc6/0x1e0 [ 562.581160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 562.581160][ T10] [ 562.583843][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 562.583843][ T10] netdev_get_by_index+0x5e/0x80 [ 562.583843][ T10] fib6_nh_init+0x3d8/0x1580 [ 562.583843][ T10] ip6_route_info_create+0xf18/0x17d0 [ 562.583843][ T10] addrconf_f6i_alloc+0x315/0x560 [ 562.583843][ T10] ipv6_add_addr+0x411/0x2000 [ 562.583843][ T10] inet6_addr_add+0x30e/0xa40 [ 562.583843][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 562.583843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.583843][ T10] netlink_rcv_skb+0x130/0x360 [ 562.583843][ T10] netlink_unicast+0x449/0x710 [ 562.583843][ T10] netlink_sendmsg+0x723/0xbe0 [ 562.583843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 562.583843][ T10] ___sys_sendmsg+0xee/0x170 [ 562.583843][ T10] __sys_sendmsg+0xcd/0x170 [ 562.583843][ T10] do_syscall_64+0xc6/0x1e0 [ 562.583843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 562.583843][ T10] [ 562.586331][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 562.586331][ T10] netdev_get_by_index+0x5e/0x80 [ 562.586331][ T10] fib6_nh_init+0x3d8/0x1580 [ 562.586331][ T10] ip6_route_info_create+0xf18/0x17d0 [ 562.586331][ T10] ip6_route_add+0x1c/0x140 [ 562.586331][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 562.586331][ T10] addrconf_add_dev+0xe2/0x170 [ 562.586331][ T10] inet6_addr_add+0x12f/0xa40 [ 562.586331][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 562.586331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.586331][ T10] netlink_rcv_skb+0x130/0x360 [ 562.586331][ T10] netlink_unicast+0x449/0x710 [ 562.586331][ T10] netlink_sendmsg+0x723/0xbe0 [ 562.586331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 562.586331][ T10] ___sys_sendmsg+0xee/0x170 [ 562.586331][ T10] __sys_sendmsg+0xcd/0x170 [ 562.586331][ T10] do_syscall_64+0xc6/0x1e0 [ 562.586331][ T10] [ 562.588759][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 562.588759][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 562.588759][ T10] ipv6_find_idev+0x102/0x170 [ 562.588759][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 562.588759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.588759][ T10] netlink_rcv_skb+0x130/0x360 [ 562.588759][ T10] netlink_unicast+0x449/0x710 [ 562.588759][ T10] netlink_sendmsg+0x723/0xbe0 [ 562.588759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 562.588759][ T10] ___sys_sendmsg+0xee/0x170 [ 562.588759][ T10] __sys_sendmsg+0xcd/0x170 [ 562.588759][ T10] do_syscall_64+0xc6/0x1e0 [ 562.588759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 562.588759][ T10] [ 562.590597][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 562.590597][ T10] neigh_parms_alloc+0x1e5/0x510 [ 562.590597][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 562.590597][ T10] ipv6_find_idev+0x102/0x170 [ 562.590597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 562.590597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.590597][ T10] netlink_rcv_skb+0x130/0x360 [ 562.590597][ T10] netlink_unicast+0x449/0x710 [ 562.590597][ T10] netlink_sendmsg+0x723/0xbe0 [ 562.590597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 562.590597][ T10] ___sys_sendmsg+0xee/0x170 [ 562.590597][ T10] __sys_sendmsg+0xcd/0x170 [ 562.590597][ T10] do_syscall_64+0xc6/0x1e0 [ 562.590597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 562.590597][ T10] [ 564.233117][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 564.233623][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 564.233623][ T1167] dst_init+0x84/0x4a0 [ 564.233623][ T1167] dst_alloc+0x97/0x150 [ 564.233623][ T1167] ip6_dst_alloc+0x23/0x90 [ 564.233623][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 564.233623][ T1167] ip6_pol_route+0x56f/0x840 [ 564.233623][ T1167] fib6_rule_lookup+0x334/0x630 [ 564.233623][ T1167] ip6_route_output_flags+0x259/0x480 [ 564.233623][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 564.233623][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 564.233623][ T1167] netlink_rcv_skb+0x130/0x360 [ 564.233623][ T1167] netlink_unicast+0x449/0x710 [ 564.233623][ T1167] netlink_sendmsg+0x723/0xbe0 [ 564.233623][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 564.233623][ T1167] ___sys_sendmsg+0xee/0x170 [ 564.233623][ T1167] __sys_sendmsg+0xcd/0x170 [ 564.233623][ T1167] do_syscall_64+0xc6/0x1e0 [ 564.233623][ T1167] [ 564.237166][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 564.237166][ T1167] netdev_get_by_index+0x5e/0x80 [ 564.237166][ T1167] fib6_nh_init+0x3d8/0x1580 [ 564.237166][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 564.237166][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 564.237166][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 564.237166][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 564.237166][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 564.237166][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 564.237166][ T1167] addrconf_dad_begin+0x310/0x670 [ 564.237166][ T1167] addrconf_dad_work+0x10b/0xab0 [ 564.237166][ T1167] process_one_work+0x84d/0x18a0 [ 564.237166][ T1167] worker_thread+0x587/0xd30 [ 564.237166][ T1167] kthread+0x28a/0x350 [ 564.237166][ T1167] ret_from_fork+0x31/0x70 [ 564.237166][ T1167] ret_from_fork_asm+0x1a/0x30 [ 564.237166][ T1167] [ 564.240860][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 564.240860][ T1167] netdev_get_by_index+0x5e/0x80 [ 564.240860][ T1167] fib6_nh_init+0x3d8/0x1580 [ 564.240860][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 564.240860][ T1167] ip6_route_add+0x1c/0x140 [ 564.240860][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 564.240860][ T1167] inet6_addr_add+0x4f8/0xa40 [ 564.240860][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 564.240860][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 564.240860][ T1167] netlink_rcv_skb+0x130/0x360 [ 564.240860][ T1167] netlink_unicast+0x449/0x710 [ 564.240860][ T1167] netlink_sendmsg+0x723/0xbe0 [ 564.240860][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 564.240860][ T1167] ___sys_sendmsg+0xee/0x170 [ 564.240860][ T1167] __sys_sendmsg+0xcd/0x170 [ 564.240860][ T1167] do_syscall_64+0xc6/0x1e0 [ 564.240860][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 564.240860][ T1167] [ 564.244454][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 564.244454][ T1167] netdev_get_by_index+0x5e/0x80 [ 564.244454][ T1167] fib6_nh_init+0x3d8/0x1580 [ 564.244454][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 564.244454][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 564.244454][ T1167] ipv6_add_addr+0x411/0x2000 [ 564.244454][ T1167] inet6_addr_add+0x30e/0xa40 [ 564.244454][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 564.244454][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 564.244454][ T1167] netlink_rcv_skb+0x130/0x360 [ 564.244454][ T1167] netlink_unicast+0x449/0x710 [ 564.244454][ T1167] netlink_sendmsg+0x723/0xbe0 [ 564.244454][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 564.244454][ T1167] ___sys_sendmsg+0xee/0x170 [ 564.244454][ T1167] __sys_sendmsg+0xcd/0x170 [ 564.244454][ T1167] do_syscall_64+0xc6/0x1e0 [ 564.244454][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 564.244454][ T1167] [ 564.248317][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 564.248317][ T1167] netdev_get_by_index+0x5e/0x80 [ 564.248317][ T1167] fib6_nh_init+0x3d8/0x1580 [ 564.248317][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 564.248317][ T1167] ip6_route_add+0x1c/0x140 [ 564.248317][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 564.248317][ T1167] addrconf_add_dev+0xe2/0x170 [ 564.248317][ T1167] inet6_addr_add+0x12f/0xa40 [ 564.248317][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 564.248317][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 564.248317][ T1167] netlink_rcv_skb+0x130/0x360 [ 564.248317][ T1167] netlink_unicast+0x449/0x710 [ 564.248317][ T1167] netlink_sendmsg+0x723/0xbe0 [ 564.248317][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 564.248317][ T1167] ___sys_sendmsg+0xee/0x170 [ 564.248317][ T1167] __sys_sendmsg+0xcd/0x170 [ 564.248317][ T1167] do_syscall_64+0xc6/0x1e0 [ 564.248317][ T1167] [ 564.252423][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 564.252423][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 564.252423][ T1167] ipv6_find_idev+0x102/0x170 [ 564.252423][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 564.252423][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 564.252423][ T1167] netlink_rcv_skb+0x130/0x360 [ 564.252423][ T1167] netlink_unicast+0x449/0x710 [ 564.252423][ T1167] netlink_sendmsg+0x723/0xbe0 [ 564.252423][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 564.252423][ T1167] ___sys_sendmsg+0xee/0x170 [ 564.252423][ T1167] __sys_sendmsg+0xcd/0x170 [ 564.252423][ T1167] do_syscall_64+0xc6/0x1e0 [ 564.252423][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 564.252423][ T1167] [ 564.254515][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 564.254515][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 564.254515][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 564.254515][ T1167] ipv6_find_idev+0x102/0x170 [ 564.254515][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 564.254515][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 564.254515][ T1167] netlink_rcv_skb+0x130/0x360 [ 564.254515][ T1167] netlink_unicast+0x449/0x710 [ 564.254515][ T1167] netlink_sendmsg+0x723/0xbe0 [ 564.254515][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 564.254515][ T1167] ___sys_sendmsg+0xee/0x170 [ 564.254515][ T1167] __sys_sendmsg+0xcd/0x170 [ 564.254515][ T1167] do_syscall_64+0xc6/0x1e0 [ 564.254515][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 564.254515][ T1167] [ 572.849115][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 572.849605][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 572.849605][ T10] netdev_get_by_index+0x5e/0x80 [ 572.849605][ T10] fib6_nh_init+0x3d8/0x1580 [ 572.849605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 572.849605][ T10] addrconf_f6i_alloc+0x265/0x560 [ 572.849605][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 572.849605][ T10] addrconf_join_anycast+0x1c0/0x220 [ 572.849605][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 572.849605][ T10] addrconf_dad_completed+0x12b/0xe20 [ 572.849605][ T10] addrconf_dad_begin+0x310/0x670 [ 572.849605][ T10] addrconf_dad_work+0x10b/0xab0 [ 572.849605][ T10] process_one_work+0x84d/0x18a0 [ 572.849605][ T10] worker_thread+0x587/0xd30 [ 572.849605][ T10] kthread+0x28a/0x350 [ 572.849605][ T10] ret_from_fork+0x31/0x70 [ 572.849605][ T10] ret_from_fork_asm+0x1a/0x30 [ 572.849605][ T10] [ 572.851645][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 572.851645][ T10] netdev_get_by_index+0x5e/0x80 [ 572.851645][ T10] fib6_nh_init+0x3d8/0x1580 [ 572.851645][ T10] ip6_route_info_create+0xf18/0x17d0 [ 572.851645][ T10] ip6_route_add+0x1c/0x140 [ 572.851645][ T10] addrconf_prefix_route+0x2a6/0x430 [ 572.851645][ T10] inet6_addr_add+0x4f8/0xa40 [ 572.851645][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 572.851645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 572.851645][ T10] netlink_rcv_skb+0x130/0x360 [ 572.851645][ T10] netlink_unicast+0x449/0x710 [ 572.851645][ T10] netlink_sendmsg+0x723/0xbe0 [ 572.851645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 572.851645][ T10] ___sys_sendmsg+0xee/0x170 [ 572.851645][ T10] __sys_sendmsg+0xcd/0x170 [ 572.851645][ T10] do_syscall_64+0xc6/0x1e0 [ 572.851645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 572.851645][ T10] [ 572.853650][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 572.853650][ T10] netdev_get_by_index+0x5e/0x80 [ 572.853650][ T10] fib6_nh_init+0x3d8/0x1580 [ 572.853650][ T10] ip6_route_info_create+0xf18/0x17d0 [ 572.853650][ T10] addrconf_f6i_alloc+0x315/0x560 [ 572.853650][ T10] ipv6_add_addr+0x411/0x2000 [ 572.853650][ T10] inet6_addr_add+0x30e/0xa40 [ 572.853650][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 572.853650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 572.853650][ T10] netlink_rcv_skb+0x130/0x360 [ 572.853650][ T10] netlink_unicast+0x449/0x710 [ 572.853650][ T10] netlink_sendmsg+0x723/0xbe0 [ 572.853650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 572.853650][ T10] ___sys_sendmsg+0xee/0x170 [ 572.853650][ T10] __sys_sendmsg+0xcd/0x170 [ 572.853650][ T10] do_syscall_64+0xc6/0x1e0 [ 572.853650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 572.853650][ T10] [ 572.855658][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 572.855658][ T10] netdev_get_by_index+0x5e/0x80 [ 572.855658][ T10] fib6_nh_init+0x3d8/0x1580 [ 572.855658][ T10] ip6_route_info_create+0xf18/0x17d0 [ 572.855658][ T10] ip6_route_add+0x1c/0x140 [ 572.855658][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 572.855658][ T10] addrconf_add_dev+0xe2/0x170 [ 572.855658][ T10] inet6_addr_add+0x12f/0xa40 [ 572.855658][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 572.855658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 572.855658][ T10] netlink_rcv_skb+0x130/0x360 [ 572.855658][ T10] netlink_unicast+0x449/0x710 [ 572.855658][ T10] netlink_sendmsg+0x723/0xbe0 [ 572.855658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 572.855658][ T10] ___sys_sendmsg+0xee/0x170 [ 572.855658][ T10] __sys_sendmsg+0xcd/0x170 [ 572.855658][ T10] do_syscall_64+0xc6/0x1e0 [ 572.855658][ T10] [ 572.857642][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 572.857642][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 572.857642][ T10] ipv6_find_idev+0x102/0x170 [ 572.857642][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 572.857642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 572.857642][ T10] netlink_rcv_skb+0x130/0x360 [ 572.857642][ T10] netlink_unicast+0x449/0x710 [ 572.857642][ T10] netlink_sendmsg+0x723/0xbe0 [ 572.857642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 572.857642][ T10] ___sys_sendmsg+0xee/0x170 [ 572.857642][ T10] __sys_sendmsg+0xcd/0x170 [ 572.857642][ T10] do_syscall_64+0xc6/0x1e0 [ 572.857642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 572.857642][ T10] [ 572.859182][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 572.859182][ T10] neigh_parms_alloc+0x1e5/0x510 [ 572.859182][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 572.859182][ T10] ipv6_find_idev+0x102/0x170 [ 572.859182][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 572.859182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 572.859182][ T10] netlink_rcv_skb+0x130/0x360 [ 572.859182][ T10] netlink_unicast+0x449/0x710 [ 572.859182][ T10] netlink_sendmsg+0x723/0xbe0 [ 572.859182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 572.859182][ T10] ___sys_sendmsg+0xee/0x170 [ 572.859182][ T10] __sys_sendmsg+0xcd/0x170 [ 572.859182][ T10] do_syscall_64+0xc6/0x1e0 [ 572.859182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 572.859182][ T10] [ 572.860878][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 572.861130][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 572.861130][ T10] netdev_get_by_index+0x5e/0x80 [ 572.861130][ T10] fib6_nh_init+0x3d8/0x1580 [ 572.861130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 572.861130][ T10] addrconf_f6i_alloc+0x265/0x560 [ 572.861130][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 572.861130][ T10] addrconf_join_anycast+0x1c0/0x220 [ 572.861130][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 572.861130][ T10] addrconf_dad_completed+0x12b/0xe20 [ 572.861130][ T10] addrconf_dad_begin+0x310/0x670 [ 572.861130][ T10] addrconf_dad_work+0x10b/0xab0 [ 572.861130][ T10] process_one_work+0x84d/0x18a0 [ 572.861130][ T10] worker_thread+0x587/0xd30 [ 572.861130][ T10] kthread+0x28a/0x350 [ 572.861130][ T10] ret_from_fork+0x31/0x70 [ 572.861130][ T10] ret_from_fork_asm+0x1a/0x30 [ 572.861130][ T10] [ 572.863032][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 572.863032][ T10] netdev_get_by_index+0x5e/0x80 [ 572.863032][ T10] fib6_nh_init+0x3d8/0x1580 [ 572.863032][ T10] ip6_route_info_create+0xf18/0x17d0 [ 572.863032][ T10] ip6_route_add+0x1c/0x140 [ 572.863032][ T10] addrconf_prefix_route+0x2a6/0x430 [ 572.863032][ T10] inet6_addr_add+0x4f8/0xa40 [ 572.863032][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 572.863032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 572.863032][ T10] netlink_rcv_skb+0x130/0x360 [ 572.863032][ T10] netlink_unicast+0x449/0x710 [ 572.863032][ T10] netlink_sendmsg+0x723/0xbe0 [ 572.863032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 572.863032][ T10] ___sys_sendmsg+0xee/0x170 [ 572.863032][ T10] __sys_sendmsg+0xcd/0x170 [ 572.863032][ T10] do_syscall_64+0xc6/0x1e0 [ 572.863032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 572.863032][ T10] [ 572.865054][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 572.865054][ T10] netdev_get_by_index+0x5e/0x80 [ 572.865054][ T10] fib6_nh_init+0x3d8/0x1580 [ 572.865054][ T10] ip6_route_info_create+0xf18/0x17d0 [ 572.865054][ T10] addrconf_f6i_alloc+0x315/0x560 [ 572.865054][ T10] ipv6_add_addr+0x411/0x2000 [ 572.865054][ T10] inet6_addr_add+0x30e/0xa40 [ 572.865054][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 572.865054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 572.865054][ T10] netlink_rcv_skb+0x130/0x360 [ 572.865054][ T10] netlink_unicast+0x449/0x710 [ 572.865054][ T10] netlink_sendmsg+0x723/0xbe0 [ 572.865054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 572.865054][ T10] ___sys_sendmsg+0xee/0x170 [ 572.865054][ T10] __sys_sendmsg+0xcd/0x170 [ 572.865054][ T10] do_syscall_64+0xc6/0x1e0 [ 572.865054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 572.865054][ T10] [ 572.867059][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 572.867059][ T10] netdev_get_by_index+0x5e/0x80 [ 572.867059][ T10] fib6_nh_init+0x3d8/0x1580 [ 572.867059][ T10] ip6_route_info_create+0xf18/0x17d0 [ 572.867059][ T10] ip6_route_add+0x1c/0x140 [ 572.867059][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 572.867059][ T10] addrconf_add_dev+0xe2/0x170 [ 572.867059][ T10] inet6_addr_add+0x12f/0xa40 [ 572.867059][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 572.867059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 572.867059][ T10] netlink_rcv_skb+0x130/0x360 [ 572.867059][ T10] netlink_unicast+0x449/0x710 [ 572.867059][ T10] netlink_sendmsg+0x723/0xbe0 [ 572.867059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 572.867059][ T10] ___sys_sendmsg+0xee/0x170 [ 572.867059][ T10] __sys_sendmsg+0xcd/0x170 [ 572.867059][ T10] do_syscall_64+0xc6/0x1e0 [ 572.867059][ T10] [ 572.869018][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 572.869018][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 572.869018][ T10] ipv6_find_idev+0x102/0x170 [ 572.869018][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 572.869018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 572.869018][ T10] netlink_rcv_skb+0x130/0x360 [ 572.869018][ T10] netlink_unicast+0x449/0x710 [ 572.869018][ T10] netlink_sendmsg+0x723/0xbe0 [ 572.869018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 572.869018][ T10] ___sys_sendmsg+0xee/0x170 [ 572.869018][ T10] __sys_sendmsg+0xcd/0x170 [ 572.869018][ T10] do_syscall_64+0xc6/0x1e0 [ 572.869018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 572.869018][ T10] [ 572.870545][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 572.870545][ T10] neigh_parms_alloc+0x1e5/0x510 [ 572.870545][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 572.870545][ T10] ipv6_find_idev+0x102/0x170 [ 572.870545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 572.870545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 572.870545][ T10] netlink_rcv_skb+0x130/0x360 [ 572.870545][ T10] netlink_unicast+0x449/0x710 [ 572.870545][ T10] netlink_sendmsg+0x723/0xbe0 [ 572.870545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 572.870545][ T10] ___sys_sendmsg+0xee/0x170 [ 572.870545][ T10] __sys_sendmsg+0xcd/0x170 [ 572.870545][ T10] do_syscall_64+0xc6/0x1e0 [ 572.870545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 572.870545][ T10] [ 572.872322][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 572.872592][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 572.872592][ T10] netdev_get_by_index+0x5e/0x80 [ 572.872592][ T10] fib6_nh_init+0x3d8/0x1580 [ 572.872592][ T10] ip6_route_info_create+0xf18/0x17d0 [ 572.872592][ T10] addrconf_f6i_alloc+0x265/0x560 [ 572.872592][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 572.872592][ T10] addrconf_join_anycast+0x1c0/0x220 [ 572.872592][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 572.872592][ T10] addrconf_dad_completed+0x12b/0xe20 [ 572.872592][ T10] addrconf_dad_begin+0x310/0x670 [ 572.872592][ T10] addrconf_dad_work+0x10b/0xab0 [ 572.872592][ T10] process_one_work+0x84d/0x18a0 [ 572.872592][ T10] worker_thread+0x587/0xd30 [ 572.872592][ T10] kthread+0x28a/0x350 [ 572.872592][ T10] ret_from_fork+0x31/0x70 [ 572.872592][ T10] ret_from_fork_asm+0x1a/0x30 [ 572.872592][ T10] [ 572.874607][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 572.874607][ T10] netdev_get_by_index+0x5e/0x80 [ 572.874607][ T10] fib6_nh_init+0x3d8/0x1580 [ 572.874607][ T10] ip6_route_info_create+0xf18/0x17d0 [ 572.874607][ T10] ip6_route_add+0x1c/0x140 [ 572.874607][ T10] addrconf_prefix_route+0x2a6/0x430 [ 572.874607][ T10] inet6_addr_add+0x4f8/0xa40 [ 572.874607][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 572.874607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 572.874607][ T10] netlink_rcv_skb+0x130/0x360 [ 572.874607][ T10] netlink_unicast+0x449/0x710 [ 572.874607][ T10] netlink_sendmsg+0x723/0xbe0 [ 572.874607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 572.874607][ T10] ___sys_sendmsg+0xee/0x170 [ 572.874607][ T10] __sys_sendmsg+0xcd/0x170 [ 572.874607][ T10] do_syscall_64+0xc6/0x1e0 [ 572.874607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 572.874607][ T10] [ 572.876922][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 572.876922][ T10] netdev_get_by_index+0x5e/0x80 [ 572.876922][ T10] fib6_nh_init+0x3d8/0x1580 [ 572.876922][ T10] ip6_route_info_create+0xf18/0x17d0 [ 572.876922][ T10] addrconf_f6i_alloc+0x315/0x560 [ 572.876922][ T10] ipv6_add_addr+0x411/0x2000 [ 572.876922][ T10] inet6_addr_add+0x30e/0xa40 [ 572.876922][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 572.876922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 572.876922][ T10] netlink_rcv_skb+0x130/0x360 [ 572.876922][ T10] netlink_unicast+0x449/0x710 [ 572.876922][ T10] netlink_sendmsg+0x723/0xbe0 [ 572.876922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 572.876922][ T10] ___sys_sendmsg+0xee/0x170 [ 572.876922][ T10] __sys_sendmsg+0xcd/0x170 [ 572.876922][ T10] do_syscall_64+0xc6/0x1e0 [ 572.876922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 572.876922][ T10] [ 572.879274][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 572.879274][ T10] netdev_get_by_index+0x5e/0x80 [ 572.879274][ T10] fib6_nh_init+0x3d8/0x1580 [ 572.879274][ T10] ip6_route_info_create+0xf18/0x17d0 [ 572.879274][ T10] ip6_route_add+0x1c/0x140 [ 572.879274][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 572.879274][ T10] addrconf_add_dev+0xe2/0x170 [ 572.879274][ T10] inet6_addr_add+0x12f/0xa40 [ 572.879274][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 572.879274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 572.879274][ T10] netlink_rcv_skb+0x130/0x360 [ 572.879274][ T10] netlink_unicast+0x449/0x710 [ 572.879274][ T10] netlink_sendmsg+0x723/0xbe0 [ 572.879274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 572.879274][ T10] ___sys_sendmsg+0xee/0x170 [ 572.879274][ T10] __sys_sendmsg+0xcd/0x170 [ 572.879274][ T10] do_syscall_64+0xc6/0x1e0 [ 572.879274][ T10] [ 572.881361][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 572.881361][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 572.881361][ T10] ipv6_find_idev+0x102/0x170 [ 572.881361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 572.881361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 572.881361][ T10] netlink_rcv_skb+0x130/0x360 [ 572.881361][ T10] netlink_unicast+0x449/0x710 [ 572.881361][ T10] netlink_sendmsg+0x723/0xbe0 [ 572.881361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 572.881361][ T10] ___sys_sendmsg+0xee/0x170 [ 572.881361][ T10] __sys_sendmsg+0xcd/0x170 [ 572.881361][ T10] do_syscall_64+0xc6/0x1e0 [ 572.881361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 572.881361][ T10] [ 572.883032][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 572.883032][ T10] neigh_parms_alloc+0x1e5/0x510 [ 572.883032][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 572.883032][ T10] ipv6_find_idev+0x102/0x170 [ 572.883032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 572.883032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 572.883032][ T10] netlink_rcv_skb+0x130/0x360 [ 572.883032][ T10] netlink_unicast+0x449/0x710 [ 572.883032][ T10] netlink_sendmsg+0x723/0xbe0 [ 572.883032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 572.883032][ T10] ___sys_sendmsg+0xee/0x170 [ 572.883032][ T10] __sys_sendmsg+0xcd/0x170 [ 572.883032][ T10] do_syscall_64+0xc6/0x1e0 [ 572.883032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 572.883032][ T10] [ 572.884805][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 572.885058][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 572.885058][ T10] netdev_get_by_index+0x5e/0x80 [ 572.885058][ T10] fib6_nh_init+0x3d8/0x1580 [ 572.885058][ T10] ip6_route_info_create+0xf18/0x17d0 [ 572.885058][ T10] addrconf_f6i_alloc+0x265/0x560 [ 572.885058][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 572.885058][ T10] addrconf_join_anycast+0x1c0/0x220 [ 572.885058][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 572.885058][ T10] addrconf_dad_completed+0x12b/0xe20 [ 572.885058][ T10] addrconf_dad_begin+0x310/0x670 [ 572.885058][ T10] addrconf_dad_work+0x10b/0xab0 [ 572.885058][ T10] process_one_work+0x84d/0x18a0 [ 572.885058][ T10] worker_thread+0x587/0xd30 [ 572.885058][ T10] kthread+0x28a/0x350 [ 572.885058][ T10] ret_from_fork+0x31/0x70 [ 572.885058][ T10] ret_from_fork_asm+0x1a/0x30 [ 572.885058][ T10] [ 572.887114][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 572.887114][ T10] netdev_get_by_index+0x5e/0x80 [ 572.887114][ T10] fib6_nh_init+0x3d8/0x1580 [ 572.887114][ T10] ip6_route_info_create+0xf18/0x17d0 [ 572.887114][ T10] ip6_route_add+0x1c/0x140 [ 572.887114][ T10] addrconf_prefix_route+0x2a6/0x430 [ 572.887114][ T10] inet6_addr_add+0x4f8/0xa40 [ 572.887114][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 572.887114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 572.887114][ T10] netlink_rcv_skb+0x130/0x360 [ 572.887114][ T10] netlink_unicast+0x449/0x710 [ 572.887114][ T10] netlink_sendmsg+0x723/0xbe0 [ 572.887114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 572.887114][ T10] ___sys_sendmsg+0xee/0x170 [ 572.887114][ T10] __sys_sendmsg+0xcd/0x170 [ 572.887114][ T10] do_syscall_64+0xc6/0x1e0 [ 572.887114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 572.887114][ T10] [ 572.889243][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 572.889243][ T10] netdev_get_by_index+0x5e/0x80 [ 572.889243][ T10] fib6_nh_init+0x3d8/0x1580 [ 572.889243][ T10] ip6_route_info_create+0xf18/0x17d0 [ 572.889243][ T10] addrconf_f6i_alloc+0x315/0x560 [ 572.889243][ T10] ipv6_add_addr+0x411/0x2000 [ 572.889243][ T10] inet6_addr_add+0x30e/0xa40 [ 572.889243][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 572.889243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 572.889243][ T10] netlink_rcv_skb+0x130/0x360 [ 572.889243][ T10] netlink_unicast+0x449/0x710 [ 572.889243][ T10] netlink_sendmsg+0x723/0xbe0 [ 572.889243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 572.889243][ T10] ___sys_sendmsg+0xee/0x170 [ 572.889243][ T10] __sys_sendmsg+0xcd/0x170 [ 572.889243][ T10] do_syscall_64+0xc6/0x1e0 [ 572.889243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 572.889243][ T10] [ 572.891376][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 572.891376][ T10] netdev_get_by_index+0x5e/0x80 [ 572.891376][ T10] fib6_nh_init+0x3d8/0x1580 [ 572.891376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 572.891376][ T10] ip6_route_add+0x1c/0x140 [ 572.891376][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 572.891376][ T10] addrconf_add_dev+0xe2/0x170 [ 572.891376][ T10] inet6_addr_add+0x12f/0xa40 [ 572.891376][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 572.891376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 572.891376][ T10] netlink_rcv_skb+0x130/0x360 [ 572.891376][ T10] netlink_unicast+0x449/0x710 [ 572.891376][ T10] netlink_sendmsg+0x723/0xbe0 [ 572.891376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 572.891376][ T10] ___sys_sendmsg+0xee/0x170 [ 572.891376][ T10] __sys_sendmsg+0xcd/0x170 [ 572.891376][ T10] do_syscall_64+0xc6/0x1e0 [ 572.891376][ T10] [ 572.893454][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 572.893454][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 572.893454][ T10] ipv6_find_idev+0x102/0x170 [ 572.893454][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 572.893454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 572.893454][ T10] netlink_rcv_skb+0x130/0x360 [ 572.893454][ T10] netlink_unicast+0x449/0x710 [ 572.893454][ T10] netlink_sendmsg+0x723/0xbe0 [ 572.893454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 572.893454][ T10] ___sys_sendmsg+0xee/0x170 [ 572.893454][ T10] __sys_sendmsg+0xcd/0x170 [ 572.893454][ T10] do_syscall_64+0xc6/0x1e0 [ 572.893454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 572.893454][ T10] [ 572.895060][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 572.895060][ T10] neigh_parms_alloc+0x1e5/0x510 [ 572.895060][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 572.895060][ T10] ipv6_find_idev+0x102/0x170 [ 572.895060][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 572.895060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 572.895060][ T10] netlink_rcv_skb+0x130/0x360 [ 572.895060][ T10] netlink_unicast+0x449/0x710 [ 572.895060][ T10] netlink_sendmsg+0x723/0xbe0 [ 572.895060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 572.895060][ T10] ___sys_sendmsg+0xee/0x170 [ 572.895060][ T10] __sys_sendmsg+0xcd/0x170 [ 572.895060][ T10] do_syscall_64+0xc6/0x1e0 [ 572.895060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 572.895060][ T10] [ 574.361080][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 574.361545][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 574.361545][ T1167] dst_init+0x84/0x4a0 [ 574.361545][ T1167] dst_alloc+0x97/0x150 [ 574.361545][ T1167] ip6_dst_alloc+0x23/0x90 [ 574.361545][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 574.361545][ T1167] ip6_pol_route+0x56f/0x840 [ 574.361545][ T1167] fib6_rule_lookup+0x334/0x630 [ 574.361545][ T1167] ip6_route_output_flags+0x259/0x480 [ 574.361545][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 574.361545][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 574.361545][ T1167] netlink_rcv_skb+0x130/0x360 [ 574.361545][ T1167] netlink_unicast+0x449/0x710 [ 574.361545][ T1167] netlink_sendmsg+0x723/0xbe0 [ 574.361545][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 574.361545][ T1167] ___sys_sendmsg+0xee/0x170 [ 574.361545][ T1167] __sys_sendmsg+0xcd/0x170 [ 574.361545][ T1167] do_syscall_64+0xc6/0x1e0 [ 574.361545][ T1167] [ 574.363930][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 574.363930][ T1167] netdev_get_by_index+0x5e/0x80 [ 574.363930][ T1167] fib6_nh_init+0x3d8/0x1580 [ 574.363930][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 574.363930][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 574.363930][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 574.363930][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 574.363930][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 574.363930][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 574.363930][ T1167] addrconf_dad_begin+0x310/0x670 [ 574.363930][ T1167] addrconf_dad_work+0x10b/0xab0 [ 574.363930][ T1167] process_one_work+0x84d/0x18a0 [ 574.363930][ T1167] worker_thread+0x587/0xd30 [ 574.363930][ T1167] kthread+0x28a/0x350 [ 574.363930][ T1167] ret_from_fork+0x31/0x70 [ 574.363930][ T1167] ret_from_fork_asm+0x1a/0x30 [ 574.363930][ T1167] [ 574.366215][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 574.366215][ T1167] netdev_get_by_index+0x5e/0x80 [ 574.366215][ T1167] fib6_nh_init+0x3d8/0x1580 [ 574.366215][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 574.366215][ T1167] ip6_route_add+0x1c/0x140 [ 574.366215][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 574.366215][ T1167] inet6_addr_add+0x4f8/0xa40 [ 574.366215][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 574.366215][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 574.366215][ T1167] netlink_rcv_skb+0x130/0x360 [ 574.366215][ T1167] netlink_unicast+0x449/0x710 [ 574.366215][ T1167] netlink_sendmsg+0x723/0xbe0 [ 574.366215][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 574.366215][ T1167] ___sys_sendmsg+0xee/0x170 [ 574.366215][ T1167] __sys_sendmsg+0xcd/0x170 [ 574.366215][ T1167] do_syscall_64+0xc6/0x1e0 [ 574.366215][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 574.366215][ T1167] [ 574.368517][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 574.368517][ T1167] netdev_get_by_index+0x5e/0x80 [ 574.368517][ T1167] fib6_nh_init+0x3d8/0x1580 [ 574.368517][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 574.368517][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 574.368517][ T1167] ipv6_add_addr+0x411/0x2000 [ 574.368517][ T1167] inet6_addr_add+0x30e/0xa40 [ 574.368517][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 574.368517][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 574.368517][ T1167] netlink_rcv_skb+0x130/0x360 [ 574.368517][ T1167] netlink_unicast+0x449/0x710 [ 574.368517][ T1167] netlink_sendmsg+0x723/0xbe0 [ 574.368517][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 574.368517][ T1167] ___sys_sendmsg+0xee/0x170 [ 574.368517][ T1167] __sys_sendmsg+0xcd/0x170 [ 574.368517][ T1167] do_syscall_64+0xc6/0x1e0 [ 574.368517][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 574.368517][ T1167] [ 574.370750][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 574.370750][ T1167] netdev_get_by_index+0x5e/0x80 [ 574.370750][ T1167] fib6_nh_init+0x3d8/0x1580 [ 574.370750][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 574.370750][ T1167] ip6_route_add+0x1c/0x140 [ 574.370750][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 574.370750][ T1167] addrconf_add_dev+0xe2/0x170 [ 574.370750][ T1167] inet6_addr_add+0x12f/0xa40 [ 574.370750][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 574.370750][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 574.370750][ T1167] netlink_rcv_skb+0x130/0x360 [ 574.370750][ T1167] netlink_unicast+0x449/0x710 [ 574.370750][ T1167] netlink_sendmsg+0x723/0xbe0 [ 574.370750][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 574.370750][ T1167] ___sys_sendmsg+0xee/0x170 [ 574.370750][ T1167] __sys_sendmsg+0xcd/0x170 [ 574.370750][ T1167] do_syscall_64+0xc6/0x1e0 [ 574.370750][ T1167] [ 574.372956][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 574.372956][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 574.372956][ T1167] ipv6_find_idev+0x102/0x170 [ 574.372956][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 574.372956][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 574.372956][ T1167] netlink_rcv_skb+0x130/0x360 [ 574.372956][ T1167] netlink_unicast+0x449/0x710 [ 574.372956][ T1167] netlink_sendmsg+0x723/0xbe0 [ 574.372956][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 574.372956][ T1167] ___sys_sendmsg+0xee/0x170 [ 574.372956][ T1167] __sys_sendmsg+0xcd/0x170 [ 574.372956][ T1167] do_syscall_64+0xc6/0x1e0 [ 574.372956][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 574.372956][ T1167] [ 574.374763][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 574.374763][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 574.374763][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 574.374763][ T1167] ipv6_find_idev+0x102/0x170 [ 574.374763][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 574.374763][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 574.374763][ T1167] netlink_rcv_skb+0x130/0x360 [ 574.374763][ T1167] netlink_unicast+0x449/0x710 [ 574.374763][ T1167] netlink_sendmsg+0x723/0xbe0 [ 574.374763][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 574.374763][ T1167] ___sys_sendmsg+0xee/0x170 [ 574.374763][ T1167] __sys_sendmsg+0xcd/0x170 [ 574.374763][ T1167] do_syscall_64+0xc6/0x1e0 [ 574.374763][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 574.374763][ T1167] [ 583.065097][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 583.065501][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 583.065501][ T10] netdev_get_by_index+0x5e/0x80 [ 583.065501][ T10] fib6_nh_init+0x3d8/0x1580 [ 583.065501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 583.065501][ T10] addrconf_f6i_alloc+0x265/0x560 [ 583.065501][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 583.065501][ T10] addrconf_join_anycast+0x1c0/0x220 [ 583.065501][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 583.065501][ T10] addrconf_dad_completed+0x12b/0xe20 [ 583.065501][ T10] addrconf_dad_begin+0x310/0x670 [ 583.065501][ T10] addrconf_dad_work+0x10b/0xab0 [ 583.065501][ T10] process_one_work+0x84d/0x18a0 [ 583.065501][ T10] worker_thread+0x587/0xd30 [ 583.065501][ T10] kthread+0x28a/0x350 [ 583.065501][ T10] ret_from_fork+0x31/0x70 [ 583.065501][ T10] ret_from_fork_asm+0x1a/0x30 [ 583.065501][ T10] [ 583.067475][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 583.067475][ T10] netdev_get_by_index+0x5e/0x80 [ 583.067475][ T10] fib6_nh_init+0x3d8/0x1580 [ 583.067475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 583.067475][ T10] ip6_route_add+0x1c/0x140 [ 583.067475][ T10] addrconf_prefix_route+0x2a6/0x430 [ 583.067475][ T10] inet6_addr_add+0x4f8/0xa40 [ 583.067475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 583.067475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.067475][ T10] netlink_rcv_skb+0x130/0x360 [ 583.067475][ T10] netlink_unicast+0x449/0x710 [ 583.067475][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.067475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.067475][ T10] ___sys_sendmsg+0xee/0x170 [ 583.067475][ T10] __sys_sendmsg+0xcd/0x170 [ 583.067475][ T10] do_syscall_64+0xc6/0x1e0 [ 583.067475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.067475][ T10] [ 583.069614][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 583.069614][ T10] netdev_get_by_index+0x5e/0x80 [ 583.069614][ T10] fib6_nh_init+0x3d8/0x1580 [ 583.069614][ T10] ip6_route_info_create+0xf18/0x17d0 [ 583.069614][ T10] addrconf_f6i_alloc+0x315/0x560 [ 583.069614][ T10] ipv6_add_addr+0x411/0x2000 [ 583.069614][ T10] inet6_addr_add+0x30e/0xa40 [ 583.069614][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 583.069614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.069614][ T10] netlink_rcv_skb+0x130/0x360 [ 583.069614][ T10] netlink_unicast+0x449/0x710 [ 583.069614][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.069614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.069614][ T10] ___sys_sendmsg+0xee/0x170 [ 583.069614][ T10] __sys_sendmsg+0xcd/0x170 [ 583.069614][ T10] do_syscall_64+0xc6/0x1e0 [ 583.069614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.069614][ T10] [ 583.071631][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 583.071631][ T10] netdev_get_by_index+0x5e/0x80 [ 583.071631][ T10] fib6_nh_init+0x3d8/0x1580 [ 583.071631][ T10] ip6_route_info_create+0xf18/0x17d0 [ 583.071631][ T10] ip6_route_add+0x1c/0x140 [ 583.071631][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 583.071631][ T10] addrconf_add_dev+0xe2/0x170 [ 583.071631][ T10] inet6_addr_add+0x12f/0xa40 [ 583.071631][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 583.071631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.071631][ T10] netlink_rcv_skb+0x130/0x360 [ 583.071631][ T10] netlink_unicast+0x449/0x710 [ 583.071631][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.071631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.071631][ T10] ___sys_sendmsg+0xee/0x170 [ 583.071631][ T10] __sys_sendmsg+0xcd/0x170 [ 583.071631][ T10] do_syscall_64+0xc6/0x1e0 [ 583.071631][ T10] [ 583.073657][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 583.073657][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 583.073657][ T10] ipv6_find_idev+0x102/0x170 [ 583.073657][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 583.073657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.073657][ T10] netlink_rcv_skb+0x130/0x360 [ 583.073657][ T10] netlink_unicast+0x449/0x710 [ 583.073657][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.073657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.073657][ T10] ___sys_sendmsg+0xee/0x170 [ 583.073657][ T10] __sys_sendmsg+0xcd/0x170 [ 583.073657][ T10] do_syscall_64+0xc6/0x1e0 [ 583.073657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.073657][ T10] [ 583.075214][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 583.075214][ T10] neigh_parms_alloc+0x1e5/0x510 [ 583.075214][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 583.075214][ T10] ipv6_find_idev+0x102/0x170 [ 583.075214][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 583.075214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.075214][ T10] netlink_rcv_skb+0x130/0x360 [ 583.075214][ T10] netlink_unicast+0x449/0x710 [ 583.075214][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.075214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.075214][ T10] ___sys_sendmsg+0xee/0x170 [ 583.075214][ T10] __sys_sendmsg+0xcd/0x170 [ 583.075214][ T10] do_syscall_64+0xc6/0x1e0 [ 583.075214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.075214][ T10] [ 583.076966][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 583.077230][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 583.077230][ T10] netdev_get_by_index+0x5e/0x80 [ 583.077230][ T10] fib6_nh_init+0x3d8/0x1580 [ 583.077230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 583.077230][ T10] addrconf_f6i_alloc+0x265/0x560 [ 583.077230][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 583.077230][ T10] addrconf_join_anycast+0x1c0/0x220 [ 583.077230][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 583.077230][ T10] addrconf_dad_completed+0x12b/0xe20 [ 583.077230][ T10] addrconf_dad_begin+0x310/0x670 [ 583.077230][ T10] addrconf_dad_work+0x10b/0xab0 [ 583.077230][ T10] process_one_work+0x84d/0x18a0 [ 583.077230][ T10] worker_thread+0x587/0xd30 [ 583.077230][ T10] kthread+0x28a/0x350 [ 583.077230][ T10] ret_from_fork+0x31/0x70 [ 583.077230][ T10] ret_from_fork_asm+0x1a/0x30 [ 583.077230][ T10] [ 583.079360][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 583.079360][ T10] netdev_get_by_index+0x5e/0x80 [ 583.079360][ T10] fib6_nh_init+0x3d8/0x1580 [ 583.079360][ T10] ip6_route_info_create+0xf18/0x17d0 [ 583.079360][ T10] ip6_route_add+0x1c/0x140 [ 583.079360][ T10] addrconf_prefix_route+0x2a6/0x430 [ 583.079360][ T10] inet6_addr_add+0x4f8/0xa40 [ 583.079360][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 583.079360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.079360][ T10] netlink_rcv_skb+0x130/0x360 [ 583.079360][ T10] netlink_unicast+0x449/0x710 [ 583.079360][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.079360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.079360][ T10] ___sys_sendmsg+0xee/0x170 [ 583.079360][ T10] __sys_sendmsg+0xcd/0x170 [ 583.079360][ T10] do_syscall_64+0xc6/0x1e0 [ 583.079360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.079360][ T10] [ 583.081621][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 583.081621][ T10] netdev_get_by_index+0x5e/0x80 [ 583.081621][ T10] fib6_nh_init+0x3d8/0x1580 [ 583.081621][ T10] ip6_route_info_create+0xf18/0x17d0 [ 583.081621][ T10] addrconf_f6i_alloc+0x315/0x560 [ 583.081621][ T10] ipv6_add_addr+0x411/0x2000 [ 583.081621][ T10] inet6_addr_add+0x30e/0xa40 [ 583.081621][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 583.081621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.081621][ T10] netlink_rcv_skb+0x130/0x360 [ 583.081621][ T10] netlink_unicast+0x449/0x710 [ 583.081621][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.081621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.081621][ T10] ___sys_sendmsg+0xee/0x170 [ 583.081621][ T10] __sys_sendmsg+0xcd/0x170 [ 583.081621][ T10] do_syscall_64+0xc6/0x1e0 [ 583.081621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.081621][ T10] [ 583.083866][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 583.083866][ T10] netdev_get_by_index+0x5e/0x80 [ 583.083866][ T10] fib6_nh_init+0x3d8/0x1580 [ 583.083866][ T10] ip6_route_info_create+0xf18/0x17d0 [ 583.083866][ T10] ip6_route_add+0x1c/0x140 [ 583.083866][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 583.083866][ T10] addrconf_add_dev+0xe2/0x170 [ 583.083866][ T10] inet6_addr_add+0x12f/0xa40 [ 583.083866][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 583.083866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.083866][ T10] netlink_rcv_skb+0x130/0x360 [ 583.083866][ T10] netlink_unicast+0x449/0x710 [ 583.083866][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.083866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.083866][ T10] ___sys_sendmsg+0xee/0x170 [ 583.083866][ T10] __sys_sendmsg+0xcd/0x170 [ 583.083866][ T10] do_syscall_64+0xc6/0x1e0 [ 583.083866][ T10] [ 583.086025][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 583.086025][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 583.086025][ T10] ipv6_find_idev+0x102/0x170 [ 583.086025][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 583.086025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.086025][ T10] netlink_rcv_skb+0x130/0x360 [ 583.086025][ T10] netlink_unicast+0x449/0x710 [ 583.086025][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.086025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.086025][ T10] ___sys_sendmsg+0xee/0x170 [ 583.086025][ T10] __sys_sendmsg+0xcd/0x170 [ 583.086025][ T10] do_syscall_64+0xc6/0x1e0 [ 583.086025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.086025][ T10] [ 583.087712][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 583.087712][ T10] neigh_parms_alloc+0x1e5/0x510 [ 583.087712][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 583.087712][ T10] ipv6_find_idev+0x102/0x170 [ 583.087712][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 583.087712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.087712][ T10] netlink_rcv_skb+0x130/0x360 [ 583.087712][ T10] netlink_unicast+0x449/0x710 [ 583.087712][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.087712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.087712][ T10] ___sys_sendmsg+0xee/0x170 [ 583.087712][ T10] __sys_sendmsg+0xcd/0x170 [ 583.087712][ T10] do_syscall_64+0xc6/0x1e0 [ 583.087712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.087712][ T10] [ 583.089481][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 583.089730][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 583.089730][ T10] netdev_get_by_index+0x5e/0x80 [ 583.089730][ T10] fib6_nh_init+0x3d8/0x1580 [ 583.089730][ T10] ip6_route_info_create+0xf18/0x17d0 [ 583.089730][ T10] addrconf_f6i_alloc+0x265/0x560 [ 583.089730][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 583.089730][ T10] addrconf_join_anycast+0x1c0/0x220 [ 583.089730][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 583.089730][ T10] addrconf_dad_completed+0x12b/0xe20 [ 583.089730][ T10] addrconf_dad_begin+0x310/0x670 [ 583.089730][ T10] addrconf_dad_work+0x10b/0xab0 [ 583.089730][ T10] process_one_work+0x84d/0x18a0 [ 583.089730][ T10] worker_thread+0x587/0xd30 [ 583.089730][ T10] kthread+0x28a/0x350 [ 583.089730][ T10] ret_from_fork+0x31/0x70 [ 583.089730][ T10] ret_from_fork_asm+0x1a/0x30 [ 583.089730][ T10] [ 583.091803][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 583.091803][ T10] netdev_get_by_index+0x5e/0x80 [ 583.091803][ T10] fib6_nh_init+0x3d8/0x1580 [ 583.091803][ T10] ip6_route_info_create+0xf18/0x17d0 [ 583.091803][ T10] ip6_route_add+0x1c/0x140 [ 583.091803][ T10] addrconf_prefix_route+0x2a6/0x430 [ 583.091803][ T10] inet6_addr_add+0x4f8/0xa40 [ 583.091803][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 583.091803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.091803][ T10] netlink_rcv_skb+0x130/0x360 [ 583.091803][ T10] netlink_unicast+0x449/0x710 [ 583.091803][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.091803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.091803][ T10] ___sys_sendmsg+0xee/0x170 [ 583.091803][ T10] __sys_sendmsg+0xcd/0x170 [ 583.091803][ T10] do_syscall_64+0xc6/0x1e0 [ 583.091803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.091803][ T10] [ 583.094129][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 583.094129][ T10] netdev_get_by_index+0x5e/0x80 [ 583.094129][ T10] fib6_nh_init+0x3d8/0x1580 [ 583.094129][ T10] ip6_route_info_create+0xf18/0x17d0 [ 583.094129][ T10] addrconf_f6i_alloc+0x315/0x560 [ 583.094129][ T10] ipv6_add_addr+0x411/0x2000 [ 583.094129][ T10] inet6_addr_add+0x30e/0xa40 [ 583.094129][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 583.094129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.094129][ T10] netlink_rcv_skb+0x130/0x360 [ 583.094129][ T10] netlink_unicast+0x449/0x710 [ 583.094129][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.094129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.094129][ T10] ___sys_sendmsg+0xee/0x170 [ 583.094129][ T10] __sys_sendmsg+0xcd/0x170 [ 583.094129][ T10] do_syscall_64+0xc6/0x1e0 [ 583.094129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.094129][ T10] [ 583.096487][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 583.096487][ T10] netdev_get_by_index+0x5e/0x80 [ 583.096487][ T10] fib6_nh_init+0x3d8/0x1580 [ 583.096487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 583.096487][ T10] ip6_route_add+0x1c/0x140 [ 583.096487][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 583.096487][ T10] addrconf_add_dev+0xe2/0x170 [ 583.096487][ T10] inet6_addr_add+0x12f/0xa40 [ 583.096487][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 583.096487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.096487][ T10] netlink_rcv_skb+0x130/0x360 [ 583.096487][ T10] netlink_unicast+0x449/0x710 [ 583.096487][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.096487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.096487][ T10] ___sys_sendmsg+0xee/0x170 [ 583.096487][ T10] __sys_sendmsg+0xcd/0x170 [ 583.096487][ T10] do_syscall_64+0xc6/0x1e0 [ 583.096487][ T10] [ 583.098860][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 583.098860][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 583.098860][ T10] ipv6_find_idev+0x102/0x170 [ 583.098860][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 583.098860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.098860][ T10] netlink_rcv_skb+0x130/0x360 [ 583.098860][ T10] netlink_unicast+0x449/0x710 [ 583.098860][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.098860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.098860][ T10] ___sys_sendmsg+0xee/0x170 [ 583.098860][ T10] __sys_sendmsg+0xcd/0x170 [ 583.098860][ T10] do_syscall_64+0xc6/0x1e0 [ 583.098860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.098860][ T10] [ 583.100679][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 583.100679][ T10] neigh_parms_alloc+0x1e5/0x510 [ 583.100679][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 583.100679][ T10] ipv6_find_idev+0x102/0x170 [ 583.100679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 583.100679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.100679][ T10] netlink_rcv_skb+0x130/0x360 [ 583.100679][ T10] netlink_unicast+0x449/0x710 [ 583.100679][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.100679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.100679][ T10] ___sys_sendmsg+0xee/0x170 [ 583.100679][ T10] __sys_sendmsg+0xcd/0x170 [ 583.100679][ T10] do_syscall_64+0xc6/0x1e0 [ 583.100679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.100679][ T10] [ 583.102710][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 583.102973][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 583.102973][ T10] netdev_get_by_index+0x5e/0x80 [ 583.102973][ T10] fib6_nh_init+0x3d8/0x1580 [ 583.102973][ T10] ip6_route_info_create+0xf18/0x17d0 [ 583.102973][ T10] addrconf_f6i_alloc+0x265/0x560 [ 583.102973][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 583.102973][ T10] addrconf_join_anycast+0x1c0/0x220 [ 583.102973][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 583.102973][ T10] addrconf_dad_completed+0x12b/0xe20 [ 583.102973][ T10] addrconf_dad_begin+0x310/0x670 [ 583.102973][ T10] addrconf_dad_work+0x10b/0xab0 [ 583.102973][ T10] process_one_work+0x84d/0x18a0 [ 583.102973][ T10] worker_thread+0x587/0xd30 [ 583.102973][ T10] kthread+0x28a/0x350 [ 583.102973][ T10] ret_from_fork+0x31/0x70 [ 583.102973][ T10] ret_from_fork_asm+0x1a/0x30 [ 583.102973][ T10] [ 583.105278][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 583.105278][ T10] netdev_get_by_index+0x5e/0x80 [ 583.105278][ T10] fib6_nh_init+0x3d8/0x1580 [ 583.105278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 583.105278][ T10] ip6_route_add+0x1c/0x140 [ 583.105278][ T10] addrconf_prefix_route+0x2a6/0x430 [ 583.105278][ T10] inet6_addr_add+0x4f8/0xa40 [ 583.105278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 583.105278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.105278][ T10] netlink_rcv_skb+0x130/0x360 [ 583.105278][ T10] netlink_unicast+0x449/0x710 [ 583.105278][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.105278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.105278][ T10] ___sys_sendmsg+0xee/0x170 [ 583.105278][ T10] __sys_sendmsg+0xcd/0x170 [ 583.105278][ T10] do_syscall_64+0xc6/0x1e0 [ 583.105278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.105278][ T10] [ 583.107692][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 583.107692][ T10] netdev_get_by_index+0x5e/0x80 [ 583.107692][ T10] fib6_nh_init+0x3d8/0x1580 [ 583.107692][ T10] ip6_route_info_create+0xf18/0x17d0 [ 583.107692][ T10] addrconf_f6i_alloc+0x315/0x560 [ 583.107692][ T10] ipv6_add_addr+0x411/0x2000 [ 583.107692][ T10] inet6_addr_add+0x30e/0xa40 [ 583.107692][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 583.107692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.107692][ T10] netlink_rcv_skb+0x130/0x360 [ 583.107692][ T10] netlink_unicast+0x449/0x710 [ 583.107692][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.107692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.107692][ T10] ___sys_sendmsg+0xee/0x170 [ 583.107692][ T10] __sys_sendmsg+0xcd/0x170 [ 583.107692][ T10] do_syscall_64+0xc6/0x1e0 [ 583.107692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.107692][ T10] [ 583.110042][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 583.110042][ T10] netdev_get_by_index+0x5e/0x80 [ 583.110042][ T10] fib6_nh_init+0x3d8/0x1580 [ 583.110042][ T10] ip6_route_info_create+0xf18/0x17d0 [ 583.110042][ T10] ip6_route_add+0x1c/0x140 [ 583.110042][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 583.110042][ T10] addrconf_add_dev+0xe2/0x170 [ 583.110042][ T10] inet6_addr_add+0x12f/0xa40 [ 583.110042][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 583.110042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.110042][ T10] netlink_rcv_skb+0x130/0x360 [ 583.110042][ T10] netlink_unicast+0x449/0x710 [ 583.110042][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.110042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.110042][ T10] ___sys_sendmsg+0xee/0x170 [ 583.110042][ T10] __sys_sendmsg+0xcd/0x170 [ 583.110042][ T10] do_syscall_64+0xc6/0x1e0 [ 583.110042][ T10] [ 583.112267][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 583.112267][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 583.112267][ T10] ipv6_find_idev+0x102/0x170 [ 583.112267][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 583.112267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.112267][ T10] netlink_rcv_skb+0x130/0x360 [ 583.112267][ T10] netlink_unicast+0x449/0x710 [ 583.112267][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.112267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.112267][ T10] ___sys_sendmsg+0xee/0x170 [ 583.112267][ T10] __sys_sendmsg+0xcd/0x170 [ 583.112267][ T10] do_syscall_64+0xc6/0x1e0 [ 583.112267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.112267][ T10] [ 583.114035][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 583.114035][ T10] neigh_parms_alloc+0x1e5/0x510 [ 583.114035][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 583.114035][ T10] ipv6_find_idev+0x102/0x170 [ 583.114035][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 583.114035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.114035][ T10] netlink_rcv_skb+0x130/0x360 [ 583.114035][ T10] netlink_unicast+0x449/0x710 [ 583.114035][ T10] netlink_sendmsg+0x723/0xbe0 [ 583.114035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 583.114035][ T10] ___sys_sendmsg+0xee/0x170 [ 583.114035][ T10] __sys_sendmsg+0xcd/0x170 [ 583.114035][ T10] do_syscall_64+0xc6/0x1e0 [ 583.114035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.114035][ T10] [ 584.393141][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 584.393645][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 584.393645][ T1167] dst_init+0x84/0x4a0 [ 584.393645][ T1167] dst_alloc+0x97/0x150 [ 584.393645][ T1167] ip6_dst_alloc+0x23/0x90 [ 584.393645][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 584.393645][ T1167] ip6_pol_route+0x56f/0x840 [ 584.393645][ T1167] fib6_rule_lookup+0x334/0x630 [ 584.393645][ T1167] ip6_route_output_flags+0x259/0x480 [ 584.393645][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 584.393645][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 584.393645][ T1167] netlink_rcv_skb+0x130/0x360 [ 584.393645][ T1167] netlink_unicast+0x449/0x710 [ 584.393645][ T1167] netlink_sendmsg+0x723/0xbe0 [ 584.393645][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 584.393645][ T1167] ___sys_sendmsg+0xee/0x170 [ 584.393645][ T1167] __sys_sendmsg+0xcd/0x170 [ 584.393645][ T1167] do_syscall_64+0xc6/0x1e0 [ 584.393645][ T1167] [ 584.396162][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 584.396162][ T1167] netdev_get_by_index+0x5e/0x80 [ 584.396162][ T1167] fib6_nh_init+0x3d8/0x1580 [ 584.396162][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 584.396162][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 584.396162][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 584.396162][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 584.396162][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 584.396162][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 584.396162][ T1167] addrconf_dad_begin+0x310/0x670 [ 584.396162][ T1167] addrconf_dad_work+0x10b/0xab0 [ 584.396162][ T1167] process_one_work+0x84d/0x18a0 [ 584.396162][ T1167] worker_thread+0x587/0xd30 [ 584.396162][ T1167] kthread+0x28a/0x350 [ 584.396162][ T1167] ret_from_fork+0x31/0x70 [ 584.396162][ T1167] ret_from_fork_asm+0x1a/0x30 [ 584.396162][ T1167] [ 584.398550][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 584.398550][ T1167] netdev_get_by_index+0x5e/0x80 [ 584.398550][ T1167] fib6_nh_init+0x3d8/0x1580 [ 584.398550][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 584.398550][ T1167] ip6_route_add+0x1c/0x140 [ 584.398550][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 584.398550][ T1167] inet6_addr_add+0x4f8/0xa40 [ 584.398550][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 584.398550][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.398550][ T1167] netlink_rcv_skb+0x130/0x360 [ 584.398550][ T1167] netlink_unicast+0x449/0x710 [ 584.398550][ T1167] netlink_sendmsg+0x723/0xbe0 [ 584.398550][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 584.398550][ T1167] ___sys_sendmsg+0xee/0x170 [ 584.398550][ T1167] __sys_sendmsg+0xcd/0x170 [ 584.398550][ T1167] do_syscall_64+0xc6/0x1e0 [ 584.398550][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.398550][ T1167] [ 584.401078][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 584.401078][ T1167] netdev_get_by_index+0x5e/0x80 [ 584.401078][ T1167] fib6_nh_init+0x3d8/0x1580 [ 584.401078][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 584.401078][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 584.401078][ T1167] ipv6_add_addr+0x411/0x2000 [ 584.401078][ T1167] inet6_addr_add+0x30e/0xa40 [ 584.401078][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 584.401078][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.401078][ T1167] netlink_rcv_skb+0x130/0x360 [ 584.401078][ T1167] netlink_unicast+0x449/0x710 [ 584.401078][ T1167] netlink_sendmsg+0x723/0xbe0 [ 584.401078][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 584.401078][ T1167] ___sys_sendmsg+0xee/0x170 [ 584.401078][ T1167] __sys_sendmsg+0xcd/0x170 [ 584.401078][ T1167] do_syscall_64+0xc6/0x1e0 [ 584.401078][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.401078][ T1167] [ 584.403612][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 584.403612][ T1167] netdev_get_by_index+0x5e/0x80 [ 584.403612][ T1167] fib6_nh_init+0x3d8/0x1580 [ 584.403612][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 584.403612][ T1167] ip6_route_add+0x1c/0x140 [ 584.403612][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 584.403612][ T1167] addrconf_add_dev+0xe2/0x170 [ 584.403612][ T1167] inet6_addr_add+0x12f/0xa40 [ 584.403612][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 584.403612][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.403612][ T1167] netlink_rcv_skb+0x130/0x360 [ 584.403612][ T1167] netlink_unicast+0x449/0x710 [ 584.403612][ T1167] netlink_sendmsg+0x723/0xbe0 [ 584.403612][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 584.403612][ T1167] ___sys_sendmsg+0xee/0x170 [ 584.403612][ T1167] __sys_sendmsg+0xcd/0x170 [ 584.403612][ T1167] do_syscall_64+0xc6/0x1e0 [ 584.403612][ T1167] [ 584.405895][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 584.405895][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 584.405895][ T1167] ipv6_find_idev+0x102/0x170 [ 584.405895][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 584.405895][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.405895][ T1167] netlink_rcv_skb+0x130/0x360 [ 584.405895][ T1167] netlink_unicast+0x449/0x710 [ 584.405895][ T1167] netlink_sendmsg+0x723/0xbe0 [ 584.405895][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 584.405895][ T1167] ___sys_sendmsg+0xee/0x170 [ 584.405895][ T1167] __sys_sendmsg+0xcd/0x170 [ 584.405895][ T1167] do_syscall_64+0xc6/0x1e0 [ 584.405895][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.405895][ T1167] [ 584.407702][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 584.407702][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 584.407702][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 584.407702][ T1167] ipv6_find_idev+0x102/0x170 [ 584.407702][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 584.407702][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.407702][ T1167] netlink_rcv_skb+0x130/0x360 [ 584.407702][ T1167] netlink_unicast+0x449/0x710 [ 584.407702][ T1167] netlink_sendmsg+0x723/0xbe0 [ 584.407702][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 584.407702][ T1167] ___sys_sendmsg+0xee/0x170 [ 584.407702][ T1167] __sys_sendmsg+0xcd/0x170 [ 584.407702][ T1167] do_syscall_64+0xc6/0x1e0 [ 584.407702][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.407702][ T1167] [ 593.353071][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 593.353453][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 593.353453][ T10] netdev_get_by_index+0x5e/0x80 [ 593.353453][ T10] fib6_nh_init+0x3d8/0x1580 [ 593.353453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 593.353453][ T10] addrconf_f6i_alloc+0x265/0x560 [ 593.353453][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 593.353453][ T10] addrconf_join_anycast+0x1c0/0x220 [ 593.353453][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 593.353453][ T10] addrconf_dad_completed+0x12b/0xe20 [ 593.353453][ T10] addrconf_dad_begin+0x310/0x670 [ 593.353453][ T10] addrconf_dad_work+0x10b/0xab0 [ 593.353453][ T10] process_one_work+0x84d/0x18a0 [ 593.353453][ T10] worker_thread+0x587/0xd30 [ 593.353453][ T10] kthread+0x28a/0x350 [ 593.353453][ T10] ret_from_fork+0x31/0x70 [ 593.353453][ T10] ret_from_fork_asm+0x1a/0x30 [ 593.353453][ T10] [ 593.355453][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 593.355453][ T10] netdev_get_by_index+0x5e/0x80 [ 593.355453][ T10] fib6_nh_init+0x3d8/0x1580 [ 593.355453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 593.355453][ T10] ip6_route_add+0x1c/0x140 [ 593.355453][ T10] addrconf_prefix_route+0x2a6/0x430 [ 593.355453][ T10] inet6_addr_add+0x4f8/0xa40 [ 593.355453][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 593.355453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.355453][ T10] netlink_rcv_skb+0x130/0x360 [ 593.355453][ T10] netlink_unicast+0x449/0x710 [ 593.355453][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.355453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.355453][ T10] ___sys_sendmsg+0xee/0x170 [ 593.355453][ T10] __sys_sendmsg+0xcd/0x170 [ 593.355453][ T10] do_syscall_64+0xc6/0x1e0 [ 593.355453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.355453][ T10] [ 593.357600][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 593.357600][ T10] netdev_get_by_index+0x5e/0x80 [ 593.357600][ T10] fib6_nh_init+0x3d8/0x1580 [ 593.357600][ T10] ip6_route_info_create+0xf18/0x17d0 [ 593.357600][ T10] addrconf_f6i_alloc+0x315/0x560 [ 593.357600][ T10] ipv6_add_addr+0x411/0x2000 [ 593.357600][ T10] inet6_addr_add+0x30e/0xa40 [ 593.357600][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 593.357600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.357600][ T10] netlink_rcv_skb+0x130/0x360 [ 593.357600][ T10] netlink_unicast+0x449/0x710 [ 593.357600][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.357600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.357600][ T10] ___sys_sendmsg+0xee/0x170 [ 593.357600][ T10] __sys_sendmsg+0xcd/0x170 [ 593.357600][ T10] do_syscall_64+0xc6/0x1e0 [ 593.357600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.357600][ T10] [ 593.359596][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 593.359596][ T10] netdev_get_by_index+0x5e/0x80 [ 593.359596][ T10] fib6_nh_init+0x3d8/0x1580 [ 593.359596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 593.359596][ T10] ip6_route_add+0x1c/0x140 [ 593.359596][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 593.359596][ T10] addrconf_add_dev+0xe2/0x170 [ 593.359596][ T10] inet6_addr_add+0x12f/0xa40 [ 593.359596][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 593.359596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.359596][ T10] netlink_rcv_skb+0x130/0x360 [ 593.359596][ T10] netlink_unicast+0x449/0x710 [ 593.359596][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.359596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.359596][ T10] ___sys_sendmsg+0xee/0x170 [ 593.359596][ T10] __sys_sendmsg+0xcd/0x170 [ 593.359596][ T10] do_syscall_64+0xc6/0x1e0 [ 593.359596][ T10] [ 593.361709][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 593.361709][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 593.361709][ T10] ipv6_find_idev+0x102/0x170 [ 593.361709][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 593.361709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.361709][ T10] netlink_rcv_skb+0x130/0x360 [ 593.361709][ T10] netlink_unicast+0x449/0x710 [ 593.361709][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.361709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.361709][ T10] ___sys_sendmsg+0xee/0x170 [ 593.361709][ T10] __sys_sendmsg+0xcd/0x170 [ 593.361709][ T10] do_syscall_64+0xc6/0x1e0 [ 593.361709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.361709][ T10] [ 593.363330][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 593.363330][ T10] neigh_parms_alloc+0x1e5/0x510 [ 593.363330][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 593.363330][ T10] ipv6_find_idev+0x102/0x170 [ 593.363330][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 593.363330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.363330][ T10] netlink_rcv_skb+0x130/0x360 [ 593.363330][ T10] netlink_unicast+0x449/0x710 [ 593.363330][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.363330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.363330][ T10] ___sys_sendmsg+0xee/0x170 [ 593.363330][ T10] __sys_sendmsg+0xcd/0x170 [ 593.363330][ T10] do_syscall_64+0xc6/0x1e0 [ 593.363330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.363330][ T10] [ 593.365746][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 593.366037][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 593.366037][ T10] netdev_get_by_index+0x5e/0x80 [ 593.366037][ T10] fib6_nh_init+0x3d8/0x1580 [ 593.366037][ T10] ip6_route_info_create+0xf18/0x17d0 [ 593.366037][ T10] addrconf_f6i_alloc+0x265/0x560 [ 593.366037][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 593.366037][ T10] addrconf_join_anycast+0x1c0/0x220 [ 593.366037][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 593.366037][ T10] addrconf_dad_completed+0x12b/0xe20 [ 593.366037][ T10] addrconf_dad_begin+0x310/0x670 [ 593.366037][ T10] addrconf_dad_work+0x10b/0xab0 [ 593.366037][ T10] process_one_work+0x84d/0x18a0 [ 593.366037][ T10] worker_thread+0x587/0xd30 [ 593.366037][ T10] kthread+0x28a/0x350 [ 593.366037][ T10] ret_from_fork+0x31/0x70 [ 593.366037][ T10] ret_from_fork_asm+0x1a/0x30 [ 593.366037][ T10] [ 593.368174][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 593.368174][ T10] netdev_get_by_index+0x5e/0x80 [ 593.368174][ T10] fib6_nh_init+0x3d8/0x1580 [ 593.368174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 593.368174][ T10] ip6_route_add+0x1c/0x140 [ 593.368174][ T10] addrconf_prefix_route+0x2a6/0x430 [ 593.368174][ T10] inet6_addr_add+0x4f8/0xa40 [ 593.368174][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 593.368174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.368174][ T10] netlink_rcv_skb+0x130/0x360 [ 593.368174][ T10] netlink_unicast+0x449/0x710 [ 593.368174][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.368174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.368174][ T10] ___sys_sendmsg+0xee/0x170 [ 593.368174][ T10] __sys_sendmsg+0xcd/0x170 [ 593.368174][ T10] do_syscall_64+0xc6/0x1e0 [ 593.368174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.368174][ T10] [ 593.370376][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 593.370376][ T10] netdev_get_by_index+0x5e/0x80 [ 593.370376][ T10] fib6_nh_init+0x3d8/0x1580 [ 593.370376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 593.370376][ T10] addrconf_f6i_alloc+0x315/0x560 [ 593.370376][ T10] ipv6_add_addr+0x411/0x2000 [ 593.370376][ T10] inet6_addr_add+0x30e/0xa40 [ 593.370376][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 593.370376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.370376][ T10] netlink_rcv_skb+0x130/0x360 [ 593.370376][ T10] netlink_unicast+0x449/0x710 [ 593.370376][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.370376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.370376][ T10] ___sys_sendmsg+0xee/0x170 [ 593.370376][ T10] __sys_sendmsg+0xcd/0x170 [ 593.370376][ T10] do_syscall_64+0xc6/0x1e0 [ 593.370376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.370376][ T10] [ 593.372558][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 593.372558][ T10] netdev_get_by_index+0x5e/0x80 [ 593.372558][ T10] fib6_nh_init+0x3d8/0x1580 [ 593.372558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 593.372558][ T10] ip6_route_add+0x1c/0x140 [ 593.372558][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 593.372558][ T10] addrconf_add_dev+0xe2/0x170 [ 593.372558][ T10] inet6_addr_add+0x12f/0xa40 [ 593.372558][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 593.372558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.372558][ T10] netlink_rcv_skb+0x130/0x360 [ 593.372558][ T10] netlink_unicast+0x449/0x710 [ 593.372558][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.372558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.372558][ T10] ___sys_sendmsg+0xee/0x170 [ 593.372558][ T10] __sys_sendmsg+0xcd/0x170 [ 593.372558][ T10] do_syscall_64+0xc6/0x1e0 [ 593.372558][ T10] [ 593.374566][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 593.374566][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 593.374566][ T10] ipv6_find_idev+0x102/0x170 [ 593.374566][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 593.374566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.374566][ T10] netlink_rcv_skb+0x130/0x360 [ 593.374566][ T10] netlink_unicast+0x449/0x710 [ 593.374566][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.374566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.374566][ T10] ___sys_sendmsg+0xee/0x170 [ 593.374566][ T10] __sys_sendmsg+0xcd/0x170 [ 593.374566][ T10] do_syscall_64+0xc6/0x1e0 [ 593.374566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.374566][ T10] [ 593.376149][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 593.376149][ T10] neigh_parms_alloc+0x1e5/0x510 [ 593.376149][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 593.376149][ T10] ipv6_find_idev+0x102/0x170 [ 593.376149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 593.376149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.376149][ T10] netlink_rcv_skb+0x130/0x360 [ 593.376149][ T10] netlink_unicast+0x449/0x710 [ 593.376149][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.376149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.376149][ T10] ___sys_sendmsg+0xee/0x170 [ 593.376149][ T10] __sys_sendmsg+0xcd/0x170 [ 593.376149][ T10] do_syscall_64+0xc6/0x1e0 [ 593.376149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.376149][ T10] [ 593.377876][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 593.378150][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 593.378150][ T10] netdev_get_by_index+0x5e/0x80 [ 593.378150][ T10] fib6_nh_init+0x3d8/0x1580 [ 593.378150][ T10] ip6_route_info_create+0xf18/0x17d0 [ 593.378150][ T10] addrconf_f6i_alloc+0x265/0x560 [ 593.378150][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 593.378150][ T10] addrconf_join_anycast+0x1c0/0x220 [ 593.378150][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 593.378150][ T10] addrconf_dad_completed+0x12b/0xe20 [ 593.378150][ T10] addrconf_dad_begin+0x310/0x670 [ 593.378150][ T10] addrconf_dad_work+0x10b/0xab0 [ 593.378150][ T10] process_one_work+0x84d/0x18a0 [ 593.378150][ T10] worker_thread+0x587/0xd30 [ 593.378150][ T10] kthread+0x28a/0x350 [ 593.378150][ T10] ret_from_fork+0x31/0x70 [ 593.378150][ T10] ret_from_fork_asm+0x1a/0x30 [ 593.378150][ T10] [ 593.380211][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 593.380211][ T10] netdev_get_by_index+0x5e/0x80 [ 593.380211][ T10] fib6_nh_init+0x3d8/0x1580 [ 593.380211][ T10] ip6_route_info_create+0xf18/0x17d0 [ 593.380211][ T10] ip6_route_add+0x1c/0x140 [ 593.380211][ T10] addrconf_prefix_route+0x2a6/0x430 [ 593.380211][ T10] inet6_addr_add+0x4f8/0xa40 [ 593.380211][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 593.380211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.380211][ T10] netlink_rcv_skb+0x130/0x360 [ 593.380211][ T10] netlink_unicast+0x449/0x710 [ 593.380211][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.380211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.380211][ T10] ___sys_sendmsg+0xee/0x170 [ 593.380211][ T10] __sys_sendmsg+0xcd/0x170 [ 593.380211][ T10] do_syscall_64+0xc6/0x1e0 [ 593.380211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.380211][ T10] [ 593.382541][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 593.382541][ T10] netdev_get_by_index+0x5e/0x80 [ 593.382541][ T10] fib6_nh_init+0x3d8/0x1580 [ 593.382541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 593.382541][ T10] addrconf_f6i_alloc+0x315/0x560 [ 593.382541][ T10] ipv6_add_addr+0x411/0x2000 [ 593.382541][ T10] inet6_addr_add+0x30e/0xa40 [ 593.382541][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 593.382541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.382541][ T10] netlink_rcv_skb+0x130/0x360 [ 593.382541][ T10] netlink_unicast+0x449/0x710 [ 593.382541][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.382541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.382541][ T10] ___sys_sendmsg+0xee/0x170 [ 593.382541][ T10] __sys_sendmsg+0xcd/0x170 [ 593.382541][ T10] do_syscall_64+0xc6/0x1e0 [ 593.382541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.382541][ T10] [ 593.384896][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 593.384896][ T10] netdev_get_by_index+0x5e/0x80 [ 593.384896][ T10] fib6_nh_init+0x3d8/0x1580 [ 593.384896][ T10] ip6_route_info_create+0xf18/0x17d0 [ 593.384896][ T10] ip6_route_add+0x1c/0x140 [ 593.384896][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 593.384896][ T10] addrconf_add_dev+0xe2/0x170 [ 593.384896][ T10] inet6_addr_add+0x12f/0xa40 [ 593.384896][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 593.384896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.384896][ T10] netlink_rcv_skb+0x130/0x360 [ 593.384896][ T10] netlink_unicast+0x449/0x710 [ 593.384896][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.384896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.384896][ T10] ___sys_sendmsg+0xee/0x170 [ 593.384896][ T10] __sys_sendmsg+0xcd/0x170 [ 593.384896][ T10] do_syscall_64+0xc6/0x1e0 [ 593.384896][ T10] [ 593.387140][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 593.387140][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 593.387140][ T10] ipv6_find_idev+0x102/0x170 [ 593.387140][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 593.387140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.387140][ T10] netlink_rcv_skb+0x130/0x360 [ 593.387140][ T10] netlink_unicast+0x449/0x710 [ 593.387140][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.387140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.387140][ T10] ___sys_sendmsg+0xee/0x170 [ 593.387140][ T10] __sys_sendmsg+0xcd/0x170 [ 593.387140][ T10] do_syscall_64+0xc6/0x1e0 [ 593.387140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.387140][ T10] [ 593.388989][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 593.388989][ T10] neigh_parms_alloc+0x1e5/0x510 [ 593.388989][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 593.388989][ T10] ipv6_find_idev+0x102/0x170 [ 593.388989][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 593.388989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.388989][ T10] netlink_rcv_skb+0x130/0x360 [ 593.388989][ T10] netlink_unicast+0x449/0x710 [ 593.388989][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.388989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.388989][ T10] ___sys_sendmsg+0xee/0x170 [ 593.388989][ T10] __sys_sendmsg+0xcd/0x170 [ 593.388989][ T10] do_syscall_64+0xc6/0x1e0 [ 593.388989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.388989][ T10] [ 593.390896][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 593.391893][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 593.391893][ T10] netdev_get_by_index+0x5e/0x80 [ 593.391893][ T10] fib6_nh_init+0x3d8/0x1580 [ 593.391893][ T10] ip6_route_info_create+0xf18/0x17d0 [ 593.391893][ T10] addrconf_f6i_alloc+0x265/0x560 [ 593.391893][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 593.391893][ T10] addrconf_join_anycast+0x1c0/0x220 [ 593.391893][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 593.391893][ T10] addrconf_dad_completed+0x12b/0xe20 [ 593.391893][ T10] addrconf_dad_begin+0x310/0x670 [ 593.391893][ T10] addrconf_dad_work+0x10b/0xab0 [ 593.391893][ T10] process_one_work+0x84d/0x18a0 [ 593.391893][ T10] worker_thread+0x587/0xd30 [ 593.391893][ T10] kthread+0x28a/0x350 [ 593.391893][ T10] ret_from_fork+0x31/0x70 [ 593.391893][ T10] ret_from_fork_asm+0x1a/0x30 [ 593.391893][ T10] [ 593.393844][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 593.393844][ T10] netdev_get_by_index+0x5e/0x80 [ 593.393844][ T10] fib6_nh_init+0x3d8/0x1580 [ 593.393844][ T10] ip6_route_info_create+0xf18/0x17d0 [ 593.393844][ T10] ip6_route_add+0x1c/0x140 [ 593.393844][ T10] addrconf_prefix_route+0x2a6/0x430 [ 593.393844][ T10] inet6_addr_add+0x4f8/0xa40 [ 593.393844][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 593.393844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.393844][ T10] netlink_rcv_skb+0x130/0x360 [ 593.393844][ T10] netlink_unicast+0x449/0x710 [ 593.393844][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.393844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.393844][ T10] ___sys_sendmsg+0xee/0x170 [ 593.393844][ T10] __sys_sendmsg+0xcd/0x170 [ 593.393844][ T10] do_syscall_64+0xc6/0x1e0 [ 593.393844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.393844][ T10] [ 593.395953][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 593.395953][ T10] netdev_get_by_index+0x5e/0x80 [ 593.395953][ T10] fib6_nh_init+0x3d8/0x1580 [ 593.395953][ T10] ip6_route_info_create+0xf18/0x17d0 [ 593.395953][ T10] addrconf_f6i_alloc+0x315/0x560 [ 593.395953][ T10] ipv6_add_addr+0x411/0x2000 [ 593.395953][ T10] inet6_addr_add+0x30e/0xa40 [ 593.395953][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 593.395953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.395953][ T10] netlink_rcv_skb+0x130/0x360 [ 593.395953][ T10] netlink_unicast+0x449/0x710 [ 593.395953][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.395953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.395953][ T10] ___sys_sendmsg+0xee/0x170 [ 593.395953][ T10] __sys_sendmsg+0xcd/0x170 [ 593.395953][ T10] do_syscall_64+0xc6/0x1e0 [ 593.395953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.395953][ T10] [ 593.398285][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 593.398285][ T10] netdev_get_by_index+0x5e/0x80 [ 593.398285][ T10] fib6_nh_init+0x3d8/0x1580 [ 593.398285][ T10] ip6_route_info_create+0xf18/0x17d0 [ 593.398285][ T10] ip6_route_add+0x1c/0x140 [ 593.398285][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 593.398285][ T10] addrconf_add_dev+0xe2/0x170 [ 593.398285][ T10] inet6_addr_add+0x12f/0xa40 [ 593.398285][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 593.398285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.398285][ T10] netlink_rcv_skb+0x130/0x360 [ 593.398285][ T10] netlink_unicast+0x449/0x710 [ 593.398285][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.398285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.398285][ T10] ___sys_sendmsg+0xee/0x170 [ 593.398285][ T10] __sys_sendmsg+0xcd/0x170 [ 593.398285][ T10] do_syscall_64+0xc6/0x1e0 [ 593.398285][ T10] [ 593.400551][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 593.400551][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 593.400551][ T10] ipv6_find_idev+0x102/0x170 [ 593.400551][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 593.400551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.400551][ T10] netlink_rcv_skb+0x130/0x360 [ 593.400551][ T10] netlink_unicast+0x449/0x710 [ 593.400551][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.400551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.400551][ T10] ___sys_sendmsg+0xee/0x170 [ 593.400551][ T10] __sys_sendmsg+0xcd/0x170 [ 593.400551][ T10] do_syscall_64+0xc6/0x1e0 [ 593.400551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.400551][ T10] [ 593.402316][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 593.402316][ T10] neigh_parms_alloc+0x1e5/0x510 [ 593.402316][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 593.402316][ T10] ipv6_find_idev+0x102/0x170 [ 593.402316][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 593.402316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.402316][ T10] netlink_rcv_skb+0x130/0x360 [ 593.402316][ T10] netlink_unicast+0x449/0x710 [ 593.402316][ T10] netlink_sendmsg+0x723/0xbe0 [ 593.402316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 593.402316][ T10] ___sys_sendmsg+0xee/0x170 [ 593.402316][ T10] __sys_sendmsg+0xcd/0x170 [ 593.402316][ T10] do_syscall_64+0xc6/0x1e0 [ 593.402316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.402316][ T10] [ 594.657102][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 594.657761][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 594.657761][ T1167] dst_init+0x84/0x4a0 [ 594.657761][ T1167] dst_alloc+0x97/0x150 [ 594.657761][ T1167] ip6_dst_alloc+0x23/0x90 [ 594.657761][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 594.657761][ T1167] ip6_pol_route+0x56f/0x840 [ 594.657761][ T1167] fib6_rule_lookup+0x334/0x630 [ 594.657761][ T1167] ip6_route_output_flags+0x259/0x480 [ 594.657761][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 594.657761][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 594.657761][ T1167] netlink_rcv_skb+0x130/0x360 [ 594.657761][ T1167] netlink_unicast+0x449/0x710 [ 594.657761][ T1167] netlink_sendmsg+0x723/0xbe0 [ 594.657761][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 594.657761][ T1167] ___sys_sendmsg+0xee/0x170 [ 594.657761][ T1167] __sys_sendmsg+0xcd/0x170 [ 594.657761][ T1167] do_syscall_64+0xc6/0x1e0 [ 594.657761][ T1167] [ 594.660044][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 594.660044][ T1167] netdev_get_by_index+0x5e/0x80 [ 594.660044][ T1167] fib6_nh_init+0x3d8/0x1580 [ 594.660044][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 594.660044][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 594.660044][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 594.660044][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 594.660044][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 594.660044][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 594.660044][ T1167] addrconf_dad_begin+0x310/0x670 [ 594.660044][ T1167] addrconf_dad_work+0x10b/0xab0 [ 594.660044][ T1167] process_one_work+0x84d/0x18a0 [ 594.660044][ T1167] worker_thread+0x587/0xd30 [ 594.660044][ T1167] kthread+0x28a/0x350 [ 594.660044][ T1167] ret_from_fork+0x31/0x70 [ 594.660044][ T1167] ret_from_fork_asm+0x1a/0x30 [ 594.660044][ T1167] [ 594.662238][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 594.662238][ T1167] netdev_get_by_index+0x5e/0x80 [ 594.662238][ T1167] fib6_nh_init+0x3d8/0x1580 [ 594.662238][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 594.662238][ T1167] ip6_route_add+0x1c/0x140 [ 594.662238][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 594.662238][ T1167] inet6_addr_add+0x4f8/0xa40 [ 594.662238][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 594.662238][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.662238][ T1167] netlink_rcv_skb+0x130/0x360 [ 594.662238][ T1167] netlink_unicast+0x449/0x710 [ 594.662238][ T1167] netlink_sendmsg+0x723/0xbe0 [ 594.662238][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 594.662238][ T1167] ___sys_sendmsg+0xee/0x170 [ 594.662238][ T1167] __sys_sendmsg+0xcd/0x170 [ 594.662238][ T1167] do_syscall_64+0xc6/0x1e0 [ 594.662238][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.662238][ T1167] [ 594.664512][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 594.664512][ T1167] netdev_get_by_index+0x5e/0x80 [ 594.664512][ T1167] fib6_nh_init+0x3d8/0x1580 [ 594.664512][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 594.664512][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 594.664512][ T1167] ipv6_add_addr+0x411/0x2000 [ 594.664512][ T1167] inet6_addr_add+0x30e/0xa40 [ 594.664512][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 594.664512][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.664512][ T1167] netlink_rcv_skb+0x130/0x360 [ 594.664512][ T1167] netlink_unicast+0x449/0x710 [ 594.664512][ T1167] netlink_sendmsg+0x723/0xbe0 [ 594.664512][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 594.664512][ T1167] ___sys_sendmsg+0xee/0x170 [ 594.664512][ T1167] __sys_sendmsg+0xcd/0x170 [ 594.664512][ T1167] do_syscall_64+0xc6/0x1e0 [ 594.664512][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.664512][ T1167] [ 594.666794][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 594.666794][ T1167] netdev_get_by_index+0x5e/0x80 [ 594.666794][ T1167] fib6_nh_init+0x3d8/0x1580 [ 594.666794][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 594.666794][ T1167] ip6_route_add+0x1c/0x140 [ 594.666794][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 594.666794][ T1167] addrconf_add_dev+0xe2/0x170 [ 594.666794][ T1167] inet6_addr_add+0x12f/0xa40 [ 594.666794][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 594.666794][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.666794][ T1167] netlink_rcv_skb+0x130/0x360 [ 594.666794][ T1167] netlink_unicast+0x449/0x710 [ 594.666794][ T1167] netlink_sendmsg+0x723/0xbe0 [ 594.666794][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 594.666794][ T1167] ___sys_sendmsg+0xee/0x170 [ 594.666794][ T1167] __sys_sendmsg+0xcd/0x170 [ 594.666794][ T1167] do_syscall_64+0xc6/0x1e0 [ 594.666794][ T1167] [ 594.669082][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 594.669082][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 594.669082][ T1167] ipv6_find_idev+0x102/0x170 [ 594.669082][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 594.669082][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.669082][ T1167] netlink_rcv_skb+0x130/0x360 [ 594.669082][ T1167] netlink_unicast+0x449/0x710 [ 594.669082][ T1167] netlink_sendmsg+0x723/0xbe0 [ 594.669082][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 594.669082][ T1167] ___sys_sendmsg+0xee/0x170 [ 594.669082][ T1167] __sys_sendmsg+0xcd/0x170 [ 594.669082][ T1167] do_syscall_64+0xc6/0x1e0 [ 594.669082][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.669082][ T1167] [ 594.670834][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 594.670834][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 594.670834][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 594.670834][ T1167] ipv6_find_idev+0x102/0x170 [ 594.670834][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 594.670834][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.670834][ T1167] netlink_rcv_skb+0x130/0x360 [ 594.670834][ T1167] netlink_unicast+0x449/0x710 [ 594.670834][ T1167] netlink_sendmsg+0x723/0xbe0 [ 594.670834][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 594.670834][ T1167] ___sys_sendmsg+0xee/0x170 [ 594.670834][ T1167] __sys_sendmsg+0xcd/0x170 [ 594.670834][ T1167] do_syscall_64+0xc6/0x1e0 [ 594.670834][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.670834][ T1167] [ 603.641175][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 603.648710][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 603.648710][ T10] netdev_get_by_index+0x5e/0x80 [ 603.648710][ T10] fib6_nh_init+0x3d8/0x1580 [ 603.648710][ T10] ip6_route_info_create+0xf18/0x17d0 [ 603.648710][ T10] addrconf_f6i_alloc+0x265/0x560 [ 603.648710][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 603.648710][ T10] addrconf_join_anycast+0x1c0/0x220 [ 603.648710][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 603.648710][ T10] addrconf_dad_completed+0x12b/0xe20 [ 603.648710][ T10] addrconf_dad_begin+0x310/0x670 [ 603.648710][ T10] addrconf_dad_work+0x10b/0xab0 [ 603.648710][ T10] process_one_work+0x84d/0x18a0 [ 603.648710][ T10] worker_thread+0x587/0xd30 [ 603.648710][ T10] kthread+0x28a/0x350 [ 603.648710][ T10] ret_from_fork+0x31/0x70 [ 603.648710][ T10] ret_from_fork_asm+0x1a/0x30 [ 603.648710][ T10] [ 603.651988][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 603.651988][ T10] netdev_get_by_index+0x5e/0x80 [ 603.651988][ T10] fib6_nh_init+0x3d8/0x1580 [ 603.651988][ T10] ip6_route_info_create+0xf18/0x17d0 [ 603.651988][ T10] ip6_route_add+0x1c/0x140 [ 603.651988][ T10] addrconf_prefix_route+0x2a6/0x430 [ 603.651988][ T10] inet6_addr_add+0x4f8/0xa40 [ 603.651988][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 603.651988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.651988][ T10] netlink_rcv_skb+0x130/0x360 [ 603.651988][ T10] netlink_unicast+0x449/0x710 [ 603.651988][ T10] netlink_sendmsg+0x723/0xbe0 [ 603.651988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 603.651988][ T10] ___sys_sendmsg+0xee/0x170 [ 603.651988][ T10] __sys_sendmsg+0xcd/0x170 [ 603.651988][ T10] do_syscall_64+0xc6/0x1e0 [ 603.651988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 603.651988][ T10] [ 603.655362][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 603.655362][ T10] netdev_get_by_index+0x5e/0x80 [ 603.655362][ T10] fib6_nh_init+0x3d8/0x1580 [ 603.655362][ T10] ip6_route_info_create+0xf18/0x17d0 [ 603.655362][ T10] addrconf_f6i_alloc+0x315/0x560 [ 603.655362][ T10] ipv6_add_addr+0x411/0x2000 [ 603.655362][ T10] inet6_addr_add+0x30e/0xa40 [ 603.655362][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 603.655362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.655362][ T10] netlink_rcv_skb+0x130/0x360 [ 603.655362][ T10] netlink_unicast+0x449/0x710 [ 603.655362][ T10] netlink_sendmsg+0x723/0xbe0 [ 603.655362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 603.655362][ T10] ___sys_sendmsg+0xee/0x170 [ 603.655362][ T10] __sys_sendmsg+0xcd/0x170 [ 603.655362][ T10] do_syscall_64+0xc6/0x1e0 [ 603.655362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 603.655362][ T10] [ 603.658891][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 603.658891][ T10] netdev_get_by_index+0x5e/0x80 [ 603.658891][ T10] fib6_nh_init+0x3d8/0x1580 [ 603.658891][ T10] ip6_route_info_create+0xf18/0x17d0 [ 603.658891][ T10] ip6_route_add+0x1c/0x140 [ 603.658891][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 603.658891][ T10] addrconf_add_dev+0xe2/0x170 [ 603.658891][ T10] inet6_addr_add+0x12f/0xa40 [ 603.658891][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 603.658891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.658891][ T10] netlink_rcv_skb+0x130/0x360 [ 603.658891][ T10] netlink_unicast+0x449/0x710 [ 603.658891][ T10] netlink_sendmsg+0x723/0xbe0 [ 603.658891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 603.658891][ T10] ___sys_sendmsg+0xee/0x170 [ 603.658891][ T10] __sys_sendmsg+0xcd/0x170 [ 603.658891][ T10] do_syscall_64+0xc6/0x1e0 [ 603.658891][ T10] [ 603.662744][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 603.662744][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 603.662744][ T10] ipv6_find_idev+0x102/0x170 [ 603.662744][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 603.662744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.662744][ T10] netlink_rcv_skb+0x130/0x360 [ 603.662744][ T10] netlink_unicast+0x449/0x710 [ 603.662744][ T10] netlink_sendmsg+0x723/0xbe0 [ 603.662744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 603.662744][ T10] ___sys_sendmsg+0xee/0x170 [ 603.662744][ T10] __sys_sendmsg+0xcd/0x170 [ 603.662744][ T10] do_syscall_64+0xc6/0x1e0 [ 603.662744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 603.662744][ T10] [ 603.666284][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 603.666284][ T10] neigh_parms_alloc+0x1e5/0x510 [ 603.666284][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 603.666284][ T10] ipv6_find_idev+0x102/0x170 [ 603.666284][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 603.666284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.666284][ T10] netlink_rcv_skb+0x130/0x360 [ 603.666284][ T10] netlink_unicast+0x449/0x710 [ 603.666284][ T10] netlink_sendmsg+0x723/0xbe0 [ 603.666284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 603.666284][ T10] ___sys_sendmsg+0xee/0x170 [ 603.666284][ T10] __sys_sendmsg+0xcd/0x170 [ 603.666284][ T10] do_syscall_64+0xc6/0x1e0 [ 603.666284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 603.666284][ T10] [ 603.695595][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 603.696370][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 603.696370][ T10] netdev_get_by_index+0x5e/0x80 [ 603.696370][ T10] fib6_nh_init+0x3d8/0x1580 [ 603.696370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 603.696370][ T10] addrconf_f6i_alloc+0x265/0x560 [ 603.696370][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 603.696370][ T10] addrconf_join_anycast+0x1c0/0x220 [ 603.696370][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 603.696370][ T10] addrconf_dad_completed+0x12b/0xe20 [ 603.696370][ T10] addrconf_dad_begin+0x310/0x670 [ 603.696370][ T10] addrconf_dad_work+0x10b/0xab0 [ 603.696370][ T10] process_one_work+0x84d/0x18a0 [ 603.696370][ T10] worker_thread+0x587/0xd30 [ 603.696370][ T10] kthread+0x28a/0x350 [ 603.696370][ T10] ret_from_fork+0x31/0x70 [ 603.696370][ T10] ret_from_fork_asm+0x1a/0x30 [ 603.696370][ T10] [ 603.700468][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 603.700468][ T10] netdev_get_by_index+0x5e/0x80 [ 603.700468][ T10] fib6_nh_init+0x3d8/0x1580 [ 603.700468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 603.700468][ T10] ip6_route_add+0x1c/0x140 [ 603.700468][ T10] addrconf_prefix_route+0x2a6/0x430 [ 603.700468][ T10] inet6_addr_add+0x4f8/0xa40 [ 603.700468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 603.700468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.700468][ T10] netlink_rcv_skb+0x130/0x360 [ 603.700468][ T10] netlink_unicast+0x449/0x710 [ 603.700468][ T10] netlink_sendmsg+0x723/0xbe0 [ 603.700468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 603.700468][ T10] ___sys_sendmsg+0xee/0x170 [ 603.700468][ T10] __sys_sendmsg+0xcd/0x170 [ 603.700468][ T10] do_syscall_64+0xc6/0x1e0 [ 603.700468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 603.700468][ T10] [ 603.704747][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 603.704747][ T10] netdev_get_by_index+0x5e/0x80 [ 603.704747][ T10] fib6_nh_init+0x3d8/0x1580 [ 603.704747][ T10] ip6_route_info_create+0xf18/0x17d0 [ 603.704747][ T10] addrconf_f6i_alloc+0x315/0x560 [ 603.704747][ T10] ipv6_add_addr+0x411/0x2000 [ 603.704747][ T10] inet6_addr_add+0x30e/0xa40 [ 603.704747][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 603.704747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.704747][ T10] netlink_rcv_skb+0x130/0x360 [ 603.704747][ T10] netlink_unicast+0x449/0x710 [ 603.704747][ T10] netlink_sendmsg+0x723/0xbe0 [ 603.704747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 603.704747][ T10] ___sys_sendmsg+0xee/0x170 [ 603.704747][ T10] __sys_sendmsg+0xcd/0x170 [ 603.704747][ T10] do_syscall_64+0xc6/0x1e0 [ 603.704747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 603.704747][ T10] [ 603.709061][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 603.709061][ T10] netdev_get_by_index+0x5e/0x80 [ 603.709061][ T10] fib6_nh_init+0x3d8/0x1580 [ 603.709061][ T10] ip6_route_info_create+0xf18/0x17d0 [ 603.709061][ T10] ip6_route_add+0x1c/0x140 [ 603.709061][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 603.709061][ T10] addrconf_add_dev+0xe2/0x170 [ 603.709061][ T10] inet6_addr_add+0x12f/0xa40 [ 603.709061][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 603.709061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.709061][ T10] netlink_rcv_skb+0x130/0x360 [ 603.709061][ T10] netlink_unicast+0x449/0x710 [ 603.709061][ T10] netlink_sendmsg+0x723/0xbe0 [ 603.709061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 603.709061][ T10] ___sys_sendmsg+0xee/0x170 [ 603.709061][ T10] __sys_sendmsg+0xcd/0x170 [ 603.709061][ T10] do_syscall_64+0xc6/0x1e0 [ 603.709061][ T10] [ 603.713287][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 603.713287][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 603.713287][ T10] ipv6_find_idev+0x102/0x170 [ 603.713287][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 603.713287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.713287][ T10] netlink_rcv_skb+0x130/0x360 [ 603.713287][ T10] netlink_unicast+0x449/0x710 [ 603.713287][ T10] netlink_sendmsg+0x723/0xbe0 [ 603.713287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 603.713287][ T10] ___sys_sendmsg+0xee/0x170 [ 603.713287][ T10] __sys_sendmsg+0xcd/0x170 [ 603.713287][ T10] do_syscall_64+0xc6/0x1e0 [ 603.713287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 603.713287][ T10] [ 603.716561][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 603.716561][ T10] neigh_parms_alloc+0x1e5/0x510 [ 603.716561][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 603.716561][ T10] ipv6_find_idev+0x102/0x170 [ 603.716561][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 603.716561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.716561][ T10] netlink_rcv_skb+0x130/0x360 [ 603.716561][ T10] netlink_unicast+0x449/0x710 [ 603.716561][ T10] netlink_sendmsg+0x723/0xbe0 [ 603.716561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 603.716561][ T10] ___sys_sendmsg+0xee/0x170 [ 603.716561][ T10] __sys_sendmsg+0xcd/0x170 [ 603.716561][ T10] do_syscall_64+0xc6/0x1e0 [ 603.716561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 603.716561][ T10] [ 603.719727][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 603.720457][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 603.720457][ T10] netdev_get_by_index+0x5e/0x80 [ 603.720457][ T10] fib6_nh_init+0x3d8/0x1580 [ 603.720457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 603.720457][ T10] addrconf_f6i_alloc+0x265/0x560 [ 603.720457][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 603.720457][ T10] addrconf_join_anycast+0x1c0/0x220 [ 603.720457][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 603.720457][ T10] addrconf_dad_completed+0x12b/0xe20 [ 603.720457][ T10] addrconf_dad_begin+0x310/0x670 [ 603.720457][ T10] addrconf_dad_work+0x10b/0xab0 [ 603.720457][ T10] process_one_work+0x84d/0x18a0 [ 603.720457][ T10] worker_thread+0x587/0xd30 [ 603.720457][ T10] kthread+0x28a/0x350 [ 603.720457][ T10] ret_from_fork+0x31/0x70 [ 603.720457][ T10] ret_from_fork_asm+0x1a/0x30 [ 603.720457][ T10] [ 603.724665][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 603.724665][ T10] netdev_get_by_index+0x5e/0x80 [ 603.724665][ T10] fib6_nh_init+0x3d8/0x1580 [ 603.724665][ T10] ip6_route_info_create+0xf18/0x17d0 [ 603.724665][ T10] ip6_route_add+0x1c/0x140 [ 603.724665][ T10] addrconf_prefix_route+0x2a6/0x430 [ 603.724665][ T10] inet6_addr_add+0x4f8/0xa40 [ 603.724665][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 603.724665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.724665][ T10] netlink_rcv_skb+0x130/0x360 [ 603.724665][ T10] netlink_unicast+0x449/0x710 [ 603.724665][ T10] netlink_sendmsg+0x723/0xbe0 [ 603.724665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 603.724665][ T10] ___sys_sendmsg+0xee/0x170 [ 603.724665][ T10] __sys_sendmsg+0xcd/0x170 [ 603.724665][ T10] do_syscall_64+0xc6/0x1e0 [ 603.724665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 603.724665][ T10] [ 603.729620][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 603.729620][ T10] netdev_get_by_index+0x5e/0x80 [ 603.729620][ T10] fib6_nh_init+0x3d8/0x1580 [ 603.729620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 603.729620][ T10] addrconf_f6i_alloc+0x315/0x560 [ 603.729620][ T10] ipv6_add_addr+0x411/0x2000 [ 603.729620][ T10] inet6_addr_add+0x30e/0xa40 [ 603.729620][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 603.729620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.729620][ T10] netlink_rcv_skb+0x130/0x360 [ 603.729620][ T10] netlink_unicast+0x449/0x710 [ 603.729620][ T10] netlink_sendmsg+0x723/0xbe0 [ 603.729620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 603.729620][ T10] ___sys_sendmsg+0xee/0x170 [ 603.729620][ T10] __sys_sendmsg+0xcd/0x170 [ 603.729620][ T10] do_syscall_64+0xc6/0x1e0 [ 603.729620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 603.729620][ T10] [ 603.734616][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 603.734616][ T10] netdev_get_by_index+0x5e/0x80 [ 603.734616][ T10] fib6_nh_init+0x3d8/0x1580 [ 603.734616][ T10] ip6_route_info_create+0xf18/0x17d0 [ 603.734616][ T10] ip6_route_add+0x1c/0x140 [ 603.734616][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 603.734616][ T10] addrconf_add_dev+0xe2/0x170 [ 603.734616][ T10] inet6_addr_add+0x12f/0xa40 [ 603.734616][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 603.734616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.734616][ T10] netlink_rcv_skb+0x130/0x360 [ 603.734616][ T10] netlink_unicast+0x449/0x710 [ 603.734616][ T10] netlink_sendmsg+0x723/0xbe0 [ 603.734616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 603.734616][ T10] ___sys_sendmsg+0xee/0x170 [ 603.734616][ T10] __sys_sendmsg+0xcd/0x170 [ 603.734616][ T10] do_syscall_64+0xc6/0x1e0 [ 603.734616][ T10] [ 603.739622][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 603.739622][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 603.739622][ T10] ipv6_find_idev+0x102/0x170 [ 603.739622][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 603.739622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.739622][ T10] netlink_rcv_skb+0x130/0x360 [ 603.739622][ T10] netlink_unicast+0x449/0x710 [ 603.739622][ T10] netlink_sendmsg+0x723/0xbe0 [ 603.739622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 603.739622][ T10] ___sys_sendmsg+0xee/0x170 [ 603.739622][ T10] __sys_sendmsg+0xcd/0x170 [ 603.739622][ T10] do_syscall_64+0xc6/0x1e0 [ 603.739622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 603.739622][ T10] [ 603.743405][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 603.743405][ T10] neigh_parms_alloc+0x1e5/0x510 [ 603.743405][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 603.743405][ T10] ipv6_find_idev+0x102/0x170 [ 603.743405][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 603.743405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.743405][ T10] netlink_rcv_skb+0x130/0x360 [ 603.743405][ T10] netlink_unicast+0x449/0x710 [ 603.743405][ T10] netlink_sendmsg+0x723/0xbe0 [ 603.743405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 603.743405][ T10] ___sys_sendmsg+0xee/0x170 [ 603.743405][ T10] __sys_sendmsg+0xcd/0x170 [ 603.743405][ T10] do_syscall_64+0xc6/0x1e0 [ 603.743405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 603.743405][ T10] [ 603.755726][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 603.756416][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 603.756416][ T10] netdev_get_by_index+0x5e/0x80 [ 603.756416][ T10] fib6_nh_init+0x3d8/0x1580 [ 603.756416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 603.756416][ T10] addrconf_f6i_alloc+0x265/0x560 [ 603.756416][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 603.756416][ T10] addrconf_join_anycast+0x1c0/0x220 [ 603.756416][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 603.756416][ T10] addrconf_dad_completed+0x12b/0xe20 [ 603.756416][ T10] addrconf_dad_begin+0x310/0x670 [ 603.756416][ T10] addrconf_dad_work+0x10b/0xab0 [ 603.756416][ T10] process_one_work+0x84d/0x18a0 [ 603.756416][ T10] worker_thread+0x587/0xd30 [ 603.756416][ T10] kthread+0x28a/0x350 [ 603.756416][ T10] ret_from_fork+0x31/0x70 [ 603.756416][ T10] ret_from_fork_asm+0x1a/0x30 [ 603.756416][ T10] [ 603.760328][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 603.760328][ T10] netdev_get_by_index+0x5e/0x80 [ 603.760328][ T10] fib6_nh_init+0x3d8/0x1580 [ 603.760328][ T10] ip6_route_info_create+0xf18/0x17d0 [ 603.760328][ T10] ip6_route_add+0x1c/0x140 [ 603.760328][ T10] addrconf_prefix_route+0x2a6/0x430 [ 603.760328][ T10] inet6_addr_add+0x4f8/0xa40 [ 603.760328][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 603.760328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.760328][ T10] netlink_rcv_skb+0x130/0x360 [ 603.760328][ T10] netlink_unicast+0x449/0x710 [ 603.760328][ T10] netlink_sendmsg+0x723/0xbe0 [ 603.760328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 603.760328][ T10] ___sys_sendmsg+0xee/0x170 [ 603.760328][ T10] __sys_sendmsg+0xcd/0x170 [ 603.760328][ T10] do_syscall_64+0xc6/0x1e0 [ 603.760328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 603.760328][ T10] [ 603.764431][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 603.764431][ T10] netdev_get_by_index+0x5e/0x80 [ 603.764431][ T10] fib6_nh_init+0x3d8/0x1580 [ 603.764431][ T10] ip6_route_info_create+0xf18/0x17d0 [ 603.764431][ T10] addrconf_f6i_alloc+0x315/0x560 [ 603.764431][ T10] ipv6_add_addr+0x411/0x2000 [ 603.764431][ T10] inet6_addr_add+0x30e/0xa40 [ 603.764431][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 603.764431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.764431][ T10] netlink_rcv_skb+0x130/0x360 [ 603.764431][ T10] netlink_unicast+0x449/0x710 [ 603.764431][ T10] netlink_sendmsg+0x723/0xbe0 [ 603.764431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 603.764431][ T10] ___sys_sendmsg+0xee/0x170 [ 603.764431][ T10] __sys_sendmsg+0xcd/0x170 [ 603.764431][ T10] do_syscall_64+0xc6/0x1e0 [ 603.764431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 603.764431][ T10] [ 603.768452][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 603.768452][ T10] netdev_get_by_index+0x5e/0x80 [ 603.768452][ T10] fib6_nh_init+0x3d8/0x1580 [ 603.768452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 603.768452][ T10] ip6_route_add+0x1c/0x140 [ 603.768452][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 603.768452][ T10] addrconf_add_dev+0xe2/0x170 [ 603.768452][ T10] inet6_addr_add+0x12f/0xa40 [ 603.768452][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 603.768452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.768452][ T10] netlink_rcv_skb+0x130/0x360 [ 603.768452][ T10] netlink_unicast+0x449/0x710 [ 603.768452][ T10] netlink_sendmsg+0x723/0xbe0 [ 603.768452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 603.768452][ T10] ___sys_sendmsg+0xee/0x170 [ 603.768452][ T10] __sys_sendmsg+0xcd/0x170 [ 603.768452][ T10] do_syscall_64+0xc6/0x1e0 [ 603.768452][ T10] [ 603.772225][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 603.772225][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 603.772225][ T10] ipv6_find_idev+0x102/0x170 [ 603.772225][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 603.772225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.772225][ T10] netlink_rcv_skb+0x130/0x360 [ 603.772225][ T10] netlink_unicast+0x449/0x710 [ 603.772225][ T10] netlink_sendmsg+0x723/0xbe0 [ 603.772225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 603.772225][ T10] ___sys_sendmsg+0xee/0x170 [ 603.772225][ T10] __sys_sendmsg+0xcd/0x170 [ 603.772225][ T10] do_syscall_64+0xc6/0x1e0 [ 603.772225][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 603.772225][ T10] [ 603.775201][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 603.775201][ T10] neigh_parms_alloc+0x1e5/0x510 [ 603.775201][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 603.775201][ T10] ipv6_find_idev+0x102/0x170 [ 603.775201][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 603.775201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.775201][ T10] netlink_rcv_skb+0x130/0x360 [ 603.775201][ T10] netlink_unicast+0x449/0x710 [ 603.775201][ T10] netlink_sendmsg+0x723/0xbe0 [ 603.775201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 603.775201][ T10] ___sys_sendmsg+0xee/0x170 [ 603.775201][ T10] __sys_sendmsg+0xcd/0x170 [ 603.775201][ T10] do_syscall_64+0xc6/0x1e0 [ 603.775201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 603.775201][ T10] [ 604.913171][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 604.921622][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 604.921622][ T1167] dst_init+0x84/0x4a0 [ 604.921622][ T1167] dst_alloc+0x97/0x150 [ 604.921622][ T1167] ip6_dst_alloc+0x23/0x90 [ 604.921622][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 604.921622][ T1167] ip6_pol_route+0x56f/0x840 [ 604.921622][ T1167] fib6_rule_lookup+0x334/0x630 [ 604.921622][ T1167] ip6_route_output_flags+0x259/0x480 [ 604.921622][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 604.921622][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 604.921622][ T1167] netlink_rcv_skb+0x130/0x360 [ 604.921622][ T1167] netlink_unicast+0x449/0x710 [ 604.921622][ T1167] netlink_sendmsg+0x723/0xbe0 [ 604.921622][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 604.921622][ T1167] ___sys_sendmsg+0xee/0x170 [ 604.921622][ T1167] __sys_sendmsg+0xcd/0x170 [ 604.921622][ T1167] do_syscall_64+0xc6/0x1e0 [ 604.921622][ T1167] [ 604.928157][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 604.928157][ T1167] netdev_get_by_index+0x5e/0x80 [ 604.928157][ T1167] fib6_nh_init+0x3d8/0x1580 [ 604.928157][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 604.928157][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 604.928157][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 604.928157][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 604.928157][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 604.928157][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 604.928157][ T1167] addrconf_dad_begin+0x310/0x670 [ 604.928157][ T1167] addrconf_dad_work+0x10b/0xab0 [ 604.928157][ T1167] process_one_work+0x84d/0x18a0 [ 604.928157][ T1167] worker_thread+0x587/0xd30 [ 604.928157][ T1167] kthread+0x28a/0x350 [ 604.928157][ T1167] ret_from_fork+0x31/0x70 [ 604.928157][ T1167] ret_from_fork_asm+0x1a/0x30 [ 604.928157][ T1167] [ 604.934752][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 604.934752][ T1167] netdev_get_by_index+0x5e/0x80 [ 604.934752][ T1167] fib6_nh_init+0x3d8/0x1580 [ 604.934752][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 604.934752][ T1167] ip6_route_add+0x1c/0x140 [ 604.934752][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 604.934752][ T1167] inet6_addr_add+0x4f8/0xa40 [ 604.934752][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 604.934752][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.934752][ T1167] netlink_rcv_skb+0x130/0x360 [ 604.934752][ T1167] netlink_unicast+0x449/0x710 [ 604.934752][ T1167] netlink_sendmsg+0x723/0xbe0 [ 604.934752][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 604.934752][ T1167] ___sys_sendmsg+0xee/0x170 [ 604.934752][ T1167] __sys_sendmsg+0xcd/0x170 [ 604.934752][ T1167] do_syscall_64+0xc6/0x1e0 [ 604.934752][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.934752][ T1167] [ 604.941017][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 604.941017][ T1167] netdev_get_by_index+0x5e/0x80 [ 604.941017][ T1167] fib6_nh_init+0x3d8/0x1580 [ 604.941017][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 604.941017][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 604.941017][ T1167] ipv6_add_addr+0x411/0x2000 [ 604.941017][ T1167] inet6_addr_add+0x30e/0xa40 [ 604.941017][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 604.941017][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.941017][ T1167] netlink_rcv_skb+0x130/0x360 [ 604.941017][ T1167] netlink_unicast+0x449/0x710 [ 604.941017][ T1167] netlink_sendmsg+0x723/0xbe0 [ 604.941017][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 604.941017][ T1167] ___sys_sendmsg+0xee/0x170 [ 604.941017][ T1167] __sys_sendmsg+0xcd/0x170 [ 604.941017][ T1167] do_syscall_64+0xc6/0x1e0 [ 604.941017][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.941017][ T1167] [ 604.947332][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 604.947332][ T1167] netdev_get_by_index+0x5e/0x80 [ 604.947332][ T1167] fib6_nh_init+0x3d8/0x1580 [ 604.947332][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 604.947332][ T1167] ip6_route_add+0x1c/0x140 [ 604.947332][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 604.947332][ T1167] addrconf_add_dev+0xe2/0x170 [ 604.947332][ T1167] inet6_addr_add+0x12f/0xa40 [ 604.947332][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 604.947332][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.947332][ T1167] netlink_rcv_skb+0x130/0x360 [ 604.947332][ T1167] netlink_unicast+0x449/0x710 [ 604.947332][ T1167] netlink_sendmsg+0x723/0xbe0 [ 604.947332][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 604.947332][ T1167] ___sys_sendmsg+0xee/0x170 [ 604.947332][ T1167] __sys_sendmsg+0xcd/0x170 [ 604.947332][ T1167] do_syscall_64+0xc6/0x1e0 [ 604.947332][ T1167] [ 604.953447][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 604.953447][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 604.953447][ T1167] ipv6_find_idev+0x102/0x170 [ 604.953447][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.953447][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.953447][ T1167] netlink_rcv_skb+0x130/0x360 [ 604.953447][ T1167] netlink_unicast+0x449/0x710 [ 604.953447][ T1167] netlink_sendmsg+0x723/0xbe0 [ 604.953447][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 604.953447][ T1167] ___sys_sendmsg+0xee/0x170 [ 604.953447][ T1167] __sys_sendmsg+0xcd/0x170 [ 604.953447][ T1167] do_syscall_64+0xc6/0x1e0 [ 604.953447][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.953447][ T1167] [ 604.958237][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 604.958237][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 604.958237][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 604.958237][ T1167] ipv6_find_idev+0x102/0x170 [ 604.958237][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.958237][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.958237][ T1167] netlink_rcv_skb+0x130/0x360 [ 604.958237][ T1167] netlink_unicast+0x449/0x710 [ 604.958237][ T1167] netlink_sendmsg+0x723/0xbe0 [ 604.958237][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 604.958237][ T1167] ___sys_sendmsg+0xee/0x170 [ 604.958237][ T1167] __sys_sendmsg+0xcd/0x170 [ 604.958237][ T1167] do_syscall_64+0xc6/0x1e0 [ 604.958237][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.958237][ T1167] [ 613.921123][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 613.921810][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 613.921810][ T10] netdev_get_by_index+0x5e/0x80 [ 613.921810][ T10] fib6_nh_init+0x3d8/0x1580 [ 613.921810][ T10] ip6_route_info_create+0xf18/0x17d0 [ 613.921810][ T10] addrconf_f6i_alloc+0x265/0x560 [ 613.921810][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 613.921810][ T10] addrconf_join_anycast+0x1c0/0x220 [ 613.921810][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 613.921810][ T10] addrconf_dad_completed+0x12b/0xe20 [ 613.921810][ T10] addrconf_dad_begin+0x310/0x670 [ 613.921810][ T10] addrconf_dad_work+0x10b/0xab0 [ 613.921810][ T10] process_one_work+0x84d/0x18a0 [ 613.921810][ T10] worker_thread+0x587/0xd30 [ 613.921810][ T10] kthread+0x28a/0x350 [ 613.921810][ T10] ret_from_fork+0x31/0x70 [ 613.921810][ T10] ret_from_fork_asm+0x1a/0x30 [ 613.921810][ T10] [ 613.924869][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 613.924869][ T10] netdev_get_by_index+0x5e/0x80 [ 613.924869][ T10] fib6_nh_init+0x3d8/0x1580 [ 613.924869][ T10] ip6_route_info_create+0xf18/0x17d0 [ 613.924869][ T10] ip6_route_add+0x1c/0x140 [ 613.924869][ T10] addrconf_prefix_route+0x2a6/0x430 [ 613.924869][ T10] inet6_addr_add+0x4f8/0xa40 [ 613.924869][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 613.924869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 613.924869][ T10] netlink_rcv_skb+0x130/0x360 [ 613.924869][ T10] netlink_unicast+0x449/0x710 [ 613.924869][ T10] netlink_sendmsg+0x723/0xbe0 [ 613.924869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 613.924869][ T10] ___sys_sendmsg+0xee/0x170 [ 613.924869][ T10] __sys_sendmsg+0xcd/0x170 [ 613.924869][ T10] do_syscall_64+0xc6/0x1e0 [ 613.924869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 613.924869][ T10] [ 613.928043][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 613.928043][ T10] netdev_get_by_index+0x5e/0x80 [ 613.928043][ T10] fib6_nh_init+0x3d8/0x1580 [ 613.928043][ T10] ip6_route_info_create+0xf18/0x17d0 [ 613.928043][ T10] addrconf_f6i_alloc+0x315/0x560 [ 613.928043][ T10] ipv6_add_addr+0x411/0x2000 [ 613.928043][ T10] inet6_addr_add+0x30e/0xa40 [ 613.928043][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 613.928043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 613.928043][ T10] netlink_rcv_skb+0x130/0x360 [ 613.928043][ T10] netlink_unicast+0x449/0x710 [ 613.928043][ T10] netlink_sendmsg+0x723/0xbe0 [ 613.928043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 613.928043][ T10] ___sys_sendmsg+0xee/0x170 [ 613.928043][ T10] __sys_sendmsg+0xcd/0x170 [ 613.928043][ T10] do_syscall_64+0xc6/0x1e0 [ 613.928043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 613.928043][ T10] [ 613.931246][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 613.931246][ T10] netdev_get_by_index+0x5e/0x80 [ 613.931246][ T10] fib6_nh_init+0x3d8/0x1580 [ 613.931246][ T10] ip6_route_info_create+0xf18/0x17d0 [ 613.931246][ T10] ip6_route_add+0x1c/0x140 [ 613.931246][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 613.931246][ T10] addrconf_add_dev+0xe2/0x170 [ 613.931246][ T10] inet6_addr_add+0x12f/0xa40 [ 613.931246][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 613.931246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 613.931246][ T10] netlink_rcv_skb+0x130/0x360 [ 613.931246][ T10] netlink_unicast+0x449/0x710 [ 613.931246][ T10] netlink_sendmsg+0x723/0xbe0 [ 613.931246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 613.931246][ T10] ___sys_sendmsg+0xee/0x170 [ 613.931246][ T10] __sys_sendmsg+0xcd/0x170 [ 613.931246][ T10] do_syscall_64+0xc6/0x1e0 [ 613.931246][ T10] [ 613.934375][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 613.934375][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 613.934375][ T10] ipv6_find_idev+0x102/0x170 [ 613.934375][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 613.934375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 613.934375][ T10] netlink_rcv_skb+0x130/0x360 [ 613.934375][ T10] netlink_unicast+0x449/0x710 [ 613.934375][ T10] netlink_sendmsg+0x723/0xbe0 [ 613.934375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 613.934375][ T10] ___sys_sendmsg+0xee/0x170 [ 613.934375][ T10] __sys_sendmsg+0xcd/0x170 [ 613.934375][ T10] do_syscall_64+0xc6/0x1e0 [ 613.934375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 613.934375][ T10] [ 613.936867][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 613.936867][ T10] neigh_parms_alloc+0x1e5/0x510 [ 613.936867][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 613.936867][ T10] ipv6_find_idev+0x102/0x170 [ 613.936867][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 613.936867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 613.936867][ T10] netlink_rcv_skb+0x130/0x360 [ 613.936867][ T10] netlink_unicast+0x449/0x710 [ 613.936867][ T10] netlink_sendmsg+0x723/0xbe0 [ 613.936867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 613.936867][ T10] ___sys_sendmsg+0xee/0x170 [ 613.936867][ T10] __sys_sendmsg+0xcd/0x170 [ 613.936867][ T10] do_syscall_64+0xc6/0x1e0 [ 613.936867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 613.936867][ T10] [ 613.939685][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 613.940153][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 613.940153][ T10] netdev_get_by_index+0x5e/0x80 [ 613.940153][ T10] fib6_nh_init+0x3d8/0x1580 [ 613.940153][ T10] ip6_route_info_create+0xf18/0x17d0 [ 613.940153][ T10] addrconf_f6i_alloc+0x265/0x560 [ 613.940153][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 613.940153][ T10] addrconf_join_anycast+0x1c0/0x220 [ 613.940153][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 613.940153][ T10] addrconf_dad_completed+0x12b/0xe20 [ 613.940153][ T10] addrconf_dad_begin+0x310/0x670 [ 613.940153][ T10] addrconf_dad_work+0x10b/0xab0 [ 613.940153][ T10] process_one_work+0x84d/0x18a0 [ 613.940153][ T10] worker_thread+0x587/0xd30 [ 613.940153][ T10] kthread+0x28a/0x350 [ 613.940153][ T10] ret_from_fork+0x31/0x70 [ 613.940153][ T10] ret_from_fork_asm+0x1a/0x30 [ 613.940153][ T10] [ 613.943253][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 613.943253][ T10] netdev_get_by_index+0x5e/0x80 [ 613.943253][ T10] fib6_nh_init+0x3d8/0x1580 [ 613.943253][ T10] ip6_route_info_create+0xf18/0x17d0 [ 613.943253][ T10] ip6_route_add+0x1c/0x140 [ 613.943253][ T10] addrconf_prefix_route+0x2a6/0x430 [ 613.943253][ T10] inet6_addr_add+0x4f8/0xa40 [ 613.943253][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 613.943253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 613.943253][ T10] netlink_rcv_skb+0x130/0x360 [ 613.943253][ T10] netlink_unicast+0x449/0x710 [ 613.943253][ T10] netlink_sendmsg+0x723/0xbe0 [ 613.943253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 613.943253][ T10] ___sys_sendmsg+0xee/0x170 [ 613.943253][ T10] __sys_sendmsg+0xcd/0x170 [ 613.943253][ T10] do_syscall_64+0xc6/0x1e0 [ 613.943253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 613.943253][ T10] [ 613.946497][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 613.946497][ T10] netdev_get_by_index+0x5e/0x80 [ 613.946497][ T10] fib6_nh_init+0x3d8/0x1580 [ 613.946497][ T10] ip6_route_info_create+0xf18/0x17d0 [ 613.946497][ T10] addrconf_f6i_alloc+0x315/0x560 [ 613.946497][ T10] ipv6_add_addr+0x411/0x2000 [ 613.946497][ T10] inet6_addr_add+0x30e/0xa40 [ 613.946497][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 613.946497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 613.946497][ T10] netlink_rcv_skb+0x130/0x360 [ 613.946497][ T10] netlink_unicast+0x449/0x710 [ 613.946497][ T10] netlink_sendmsg+0x723/0xbe0 [ 613.946497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 613.946497][ T10] ___sys_sendmsg+0xee/0x170 [ 613.946497][ T10] __sys_sendmsg+0xcd/0x170 [ 613.946497][ T10] do_syscall_64+0xc6/0x1e0 [ 613.946497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 613.946497][ T10] [ 613.949637][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 613.949637][ T10] netdev_get_by_index+0x5e/0x80 [ 613.949637][ T10] fib6_nh_init+0x3d8/0x1580 [ 613.949637][ T10] ip6_route_info_create+0xf18/0x17d0 [ 613.949637][ T10] ip6_route_add+0x1c/0x140 [ 613.949637][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 613.949637][ T10] addrconf_add_dev+0xe2/0x170 [ 613.949637][ T10] inet6_addr_add+0x12f/0xa40 [ 613.949637][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 613.949637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 613.949637][ T10] netlink_rcv_skb+0x130/0x360 [ 613.949637][ T10] netlink_unicast+0x449/0x710 [ 613.949637][ T10] netlink_sendmsg+0x723/0xbe0 [ 613.949637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 613.949637][ T10] ___sys_sendmsg+0xee/0x170 [ 613.949637][ T10] __sys_sendmsg+0xcd/0x170 [ 613.949637][ T10] do_syscall_64+0xc6/0x1e0 [ 613.949637][ T10] [ 613.952810][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 613.952810][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 613.952810][ T10] ipv6_find_idev+0x102/0x170 [ 613.952810][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 613.952810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 613.952810][ T10] netlink_rcv_skb+0x130/0x360 [ 613.952810][ T10] netlink_unicast+0x449/0x710 [ 613.952810][ T10] netlink_sendmsg+0x723/0xbe0 [ 613.952810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 613.952810][ T10] ___sys_sendmsg+0xee/0x170 [ 613.952810][ T10] __sys_sendmsg+0xcd/0x170 [ 613.952810][ T10] do_syscall_64+0xc6/0x1e0 [ 613.952810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 613.952810][ T10] [ 613.955273][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 613.955273][ T10] neigh_parms_alloc+0x1e5/0x510 [ 613.955273][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 613.955273][ T10] ipv6_find_idev+0x102/0x170 [ 613.955273][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 613.955273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 613.955273][ T10] netlink_rcv_skb+0x130/0x360 [ 613.955273][ T10] netlink_unicast+0x449/0x710 [ 613.955273][ T10] netlink_sendmsg+0x723/0xbe0 [ 613.955273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 613.955273][ T10] ___sys_sendmsg+0xee/0x170 [ 613.955273][ T10] __sys_sendmsg+0xcd/0x170 [ 613.955273][ T10] do_syscall_64+0xc6/0x1e0 [ 613.955273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 613.955273][ T10] [ 613.958093][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 613.958518][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 613.958518][ T10] netdev_get_by_index+0x5e/0x80 [ 613.958518][ T10] fib6_nh_init+0x3d8/0x1580 [ 613.958518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 613.958518][ T10] addrconf_f6i_alloc+0x265/0x560 [ 613.958518][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 613.958518][ T10] addrconf_join_anycast+0x1c0/0x220 [ 613.958518][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 613.958518][ T10] addrconf_dad_completed+0x12b/0xe20 [ 613.958518][ T10] addrconf_dad_begin+0x310/0x670 [ 613.958518][ T10] addrconf_dad_work+0x10b/0xab0 [ 613.958518][ T10] process_one_work+0x84d/0x18a0 [ 613.958518][ T10] worker_thread+0x587/0xd30 [ 613.958518][ T10] kthread+0x28a/0x350 [ 613.958518][ T10] ret_from_fork+0x31/0x70 [ 613.958518][ T10] ret_from_fork_asm+0x1a/0x30 [ 613.958518][ T10] [ 613.961621][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 613.961621][ T10] netdev_get_by_index+0x5e/0x80 [ 613.961621][ T10] fib6_nh_init+0x3d8/0x1580 [ 613.961621][ T10] ip6_route_info_create+0xf18/0x17d0 [ 613.961621][ T10] ip6_route_add+0x1c/0x140 [ 613.961621][ T10] addrconf_prefix_route+0x2a6/0x430 [ 613.961621][ T10] inet6_addr_add+0x4f8/0xa40 [ 613.961621][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 613.961621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 613.961621][ T10] netlink_rcv_skb+0x130/0x360 [ 613.961621][ T10] netlink_unicast+0x449/0x710 [ 613.961621][ T10] netlink_sendmsg+0x723/0xbe0 [ 613.961621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 613.961621][ T10] ___sys_sendmsg+0xee/0x170 [ 613.961621][ T10] __sys_sendmsg+0xcd/0x170 [ 613.961621][ T10] do_syscall_64+0xc6/0x1e0 [ 613.961621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 613.961621][ T10] [ 613.965203][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 613.965203][ T10] netdev_get_by_index+0x5e/0x80 [ 613.965203][ T10] fib6_nh_init+0x3d8/0x1580 [ 613.965203][ T10] ip6_route_info_create+0xf18/0x17d0 [ 613.965203][ T10] addrconf_f6i_alloc+0x315/0x560 [ 613.965203][ T10] ipv6_add_addr+0x411/0x2000 [ 613.965203][ T10] inet6_addr_add+0x30e/0xa40 [ 613.965203][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 613.965203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 613.965203][ T10] netlink_rcv_skb+0x130/0x360 [ 613.965203][ T10] netlink_unicast+0x449/0x710 [ 613.965203][ T10] netlink_sendmsg+0x723/0xbe0 [ 613.965203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 613.965203][ T10] ___sys_sendmsg+0xee/0x170 [ 613.965203][ T10] __sys_sendmsg+0xcd/0x170 [ 613.965203][ T10] do_syscall_64+0xc6/0x1e0 [ 613.965203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 613.965203][ T10] [ 613.968997][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 613.968997][ T10] netdev_get_by_index+0x5e/0x80 [ 613.968997][ T10] fib6_nh_init+0x3d8/0x1580 [ 613.968997][ T10] ip6_route_info_create+0xf18/0x17d0 [ 613.968997][ T10] ip6_route_add+0x1c/0x140 [ 613.968997][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 613.968997][ T10] addrconf_add_dev+0xe2/0x170 [ 613.968997][ T10] inet6_addr_add+0x12f/0xa40 [ 613.968997][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 613.968997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 613.968997][ T10] netlink_rcv_skb+0x130/0x360 [ 613.968997][ T10] netlink_unicast+0x449/0x710 [ 613.968997][ T10] netlink_sendmsg+0x723/0xbe0 [ 613.968997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 613.968997][ T10] ___sys_sendmsg+0xee/0x170 [ 613.968997][ T10] __sys_sendmsg+0xcd/0x170 [ 613.968997][ T10] do_syscall_64+0xc6/0x1e0 [ 613.968997][ T10] [ 613.972599][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 613.972599][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 613.972599][ T10] ipv6_find_idev+0x102/0x170 [ 613.972599][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 613.972599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 613.972599][ T10] netlink_rcv_skb+0x130/0x360 [ 613.972599][ T10] netlink_unicast+0x449/0x710 [ 613.972599][ T10] netlink_sendmsg+0x723/0xbe0 [ 613.972599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 613.972599][ T10] ___sys_sendmsg+0xee/0x170 [ 613.972599][ T10] __sys_sendmsg+0xcd/0x170 [ 613.972599][ T10] do_syscall_64+0xc6/0x1e0 [ 613.972599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 613.972599][ T10] [ 613.975405][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 613.975405][ T10] neigh_parms_alloc+0x1e5/0x510 [ 613.975405][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 613.975405][ T10] ipv6_find_idev+0x102/0x170 [ 613.975405][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 613.975405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 613.975405][ T10] netlink_rcv_skb+0x130/0x360 [ 613.975405][ T10] netlink_unicast+0x449/0x710 [ 613.975405][ T10] netlink_sendmsg+0x723/0xbe0 [ 613.975405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 613.975405][ T10] ___sys_sendmsg+0xee/0x170 [ 613.975405][ T10] __sys_sendmsg+0xcd/0x170 [ 613.975405][ T10] do_syscall_64+0xc6/0x1e0 [ 613.975405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 613.975405][ T10] [ 613.978522][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 613.979074][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 613.979074][ T10] netdev_get_by_index+0x5e/0x80 [ 613.979074][ T10] fib6_nh_init+0x3d8/0x1580 [ 613.979074][ T10] ip6_route_info_create+0xf18/0x17d0 [ 613.979074][ T10] addrconf_f6i_alloc+0x265/0x560 [ 613.979074][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 613.979074][ T10] addrconf_join_anycast+0x1c0/0x220 [ 613.979074][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 613.979074][ T10] addrconf_dad_completed+0x12b/0xe20 [ 613.979074][ T10] addrconf_dad_begin+0x310/0x670 [ 613.979074][ T10] addrconf_dad_work+0x10b/0xab0 [ 613.979074][ T10] process_one_work+0x84d/0x18a0 [ 613.979074][ T10] worker_thread+0x587/0xd30 [ 613.979074][ T10] kthread+0x28a/0x350 [ 613.979074][ T10] ret_from_fork+0x31/0x70 [ 613.979074][ T10] ret_from_fork_asm+0x1a/0x30 [ 613.979074][ T10] [ 613.982599][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 613.982599][ T10] netdev_get_by_index+0x5e/0x80 [ 613.982599][ T10] fib6_nh_init+0x3d8/0x1580 [ 613.982599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 613.982599][ T10] ip6_route_add+0x1c/0x140 [ 613.982599][ T10] addrconf_prefix_route+0x2a6/0x430 [ 613.982599][ T10] inet6_addr_add+0x4f8/0xa40 [ 613.982599][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 613.982599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 613.982599][ T10] netlink_rcv_skb+0x130/0x360 [ 613.982599][ T10] netlink_unicast+0x449/0x710 [ 613.982599][ T10] netlink_sendmsg+0x723/0xbe0 [ 613.982599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 613.982599][ T10] ___sys_sendmsg+0xee/0x170 [ 613.982599][ T10] __sys_sendmsg+0xcd/0x170 [ 613.982599][ T10] do_syscall_64+0xc6/0x1e0 [ 613.982599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 613.982599][ T10] [ 613.986534][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 613.986534][ T10] netdev_get_by_index+0x5e/0x80 [ 613.986534][ T10] fib6_nh_init+0x3d8/0x1580 [ 613.986534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 613.986534][ T10] addrconf_f6i_alloc+0x315/0x560 [ 613.986534][ T10] ipv6_add_addr+0x411/0x2000 [ 613.986534][ T10] inet6_addr_add+0x30e/0xa40 [ 613.986534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 613.986534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 613.986534][ T10] netlink_rcv_skb+0x130/0x360 [ 613.986534][ T10] netlink_unicast+0x449/0x710 [ 613.986534][ T10] netlink_sendmsg+0x723/0xbe0 [ 613.986534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 613.986534][ T10] ___sys_sendmsg+0xee/0x170 [ 613.986534][ T10] __sys_sendmsg+0xcd/0x170 [ 613.986534][ T10] do_syscall_64+0xc6/0x1e0 [ 613.986534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 613.986534][ T10] [ 613.990216][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 613.990216][ T10] netdev_get_by_index+0x5e/0x80 [ 613.990216][ T10] fib6_nh_init+0x3d8/0x1580 [ 613.990216][ T10] ip6_route_info_create+0xf18/0x17d0 [ 613.990216][ T10] ip6_route_add+0x1c/0x140 [ 613.990216][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 613.990216][ T10] addrconf_add_dev+0xe2/0x170 [ 613.990216][ T10] inet6_addr_add+0x12f/0xa40 [ 613.990216][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 613.990216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 613.990216][ T10] netlink_rcv_skb+0x130/0x360 [ 613.990216][ T10] netlink_unicast+0x449/0x710 [ 613.990216][ T10] netlink_sendmsg+0x723/0xbe0 [ 613.990216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 613.990216][ T10] ___sys_sendmsg+0xee/0x170 [ 613.990216][ T10] __sys_sendmsg+0xcd/0x170 [ 613.990216][ T10] do_syscall_64+0xc6/0x1e0 [ 613.990216][ T10] [ 613.993671][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 613.993671][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 613.993671][ T10] ipv6_find_idev+0x102/0x170 [ 613.993671][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 613.993671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 613.993671][ T10] netlink_rcv_skb+0x130/0x360 [ 613.993671][ T10] netlink_unicast+0x449/0x710 [ 613.993671][ T10] netlink_sendmsg+0x723/0xbe0 [ 613.993671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 613.993671][ T10] ___sys_sendmsg+0xee/0x170 [ 613.993671][ T10] __sys_sendmsg+0xcd/0x170 [ 613.993671][ T10] do_syscall_64+0xc6/0x1e0 [ 613.993671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 613.993671][ T10] [ 613.996631][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 613.996631][ T10] neigh_parms_alloc+0x1e5/0x510 [ 613.996631][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 613.996631][ T10] ipv6_find_idev+0x102/0x170 [ 613.996631][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 613.996631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 613.996631][ T10] netlink_rcv_skb+0x130/0x360 [ 613.996631][ T10] netlink_unicast+0x449/0x710 [ 613.996631][ T10] netlink_sendmsg+0x723/0xbe0 [ 613.996631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 613.996631][ T10] ___sys_sendmsg+0xee/0x170 [ 613.996631][ T10] __sys_sendmsg+0xcd/0x170 [ 613.996631][ T10] do_syscall_64+0xc6/0x1e0 [ 613.996631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 613.996631][ T10] [ 615.201106][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 615.201629][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 615.201629][ T1167] dst_init+0x84/0x4a0 [ 615.201629][ T1167] dst_alloc+0x97/0x150 [ 615.201629][ T1167] ip6_dst_alloc+0x23/0x90 [ 615.201629][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 615.201629][ T1167] ip6_pol_route+0x56f/0x840 [ 615.201629][ T1167] fib6_rule_lookup+0x334/0x630 [ 615.201629][ T1167] ip6_route_output_flags+0x259/0x480 [ 615.201629][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 615.201629][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 615.201629][ T1167] netlink_rcv_skb+0x130/0x360 [ 615.201629][ T1167] netlink_unicast+0x449/0x710 [ 615.201629][ T1167] netlink_sendmsg+0x723/0xbe0 [ 615.201629][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 615.201629][ T1167] ___sys_sendmsg+0xee/0x170 [ 615.201629][ T1167] __sys_sendmsg+0xcd/0x170 [ 615.201629][ T1167] do_syscall_64+0xc6/0x1e0 [ 615.201629][ T1167] [ 615.204937][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 615.204937][ T1167] netdev_get_by_index+0x5e/0x80 [ 615.204937][ T1167] fib6_nh_init+0x3d8/0x1580 [ 615.204937][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 615.204937][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 615.204937][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 615.204937][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 615.204937][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 615.204937][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 615.204937][ T1167] addrconf_dad_begin+0x310/0x670 [ 615.204937][ T1167] addrconf_dad_work+0x10b/0xab0 [ 615.204937][ T1167] process_one_work+0x84d/0x18a0 [ 615.204937][ T1167] worker_thread+0x587/0xd30 [ 615.204937][ T1167] kthread+0x28a/0x350 [ 615.204937][ T1167] ret_from_fork+0x31/0x70 [ 615.204937][ T1167] ret_from_fork_asm+0x1a/0x30 [ 615.204937][ T1167] [ 615.208450][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 615.208450][ T1167] netdev_get_by_index+0x5e/0x80 [ 615.208450][ T1167] fib6_nh_init+0x3d8/0x1580 [ 615.208450][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 615.208450][ T1167] ip6_route_add+0x1c/0x140 [ 615.208450][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 615.208450][ T1167] inet6_addr_add+0x4f8/0xa40 [ 615.208450][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 615.208450][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 615.208450][ T1167] netlink_rcv_skb+0x130/0x360 [ 615.208450][ T1167] netlink_unicast+0x449/0x710 [ 615.208450][ T1167] netlink_sendmsg+0x723/0xbe0 [ 615.208450][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 615.208450][ T1167] ___sys_sendmsg+0xee/0x170 [ 615.208450][ T1167] __sys_sendmsg+0xcd/0x170 [ 615.208450][ T1167] do_syscall_64+0xc6/0x1e0 [ 615.208450][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 615.208450][ T1167] [ 615.212073][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 615.212073][ T1167] netdev_get_by_index+0x5e/0x80 [ 615.212073][ T1167] fib6_nh_init+0x3d8/0x1580 [ 615.212073][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 615.212073][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 615.212073][ T1167] ipv6_add_addr+0x411/0x2000 [ 615.212073][ T1167] inet6_addr_add+0x30e/0xa40 [ 615.212073][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 615.212073][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 615.212073][ T1167] netlink_rcv_skb+0x130/0x360 [ 615.212073][ T1167] netlink_unicast+0x449/0x710 [ 615.212073][ T1167] netlink_sendmsg+0x723/0xbe0 [ 615.212073][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 615.212073][ T1167] ___sys_sendmsg+0xee/0x170 [ 615.212073][ T1167] __sys_sendmsg+0xcd/0x170 [ 615.212073][ T1167] do_syscall_64+0xc6/0x1e0 [ 615.212073][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 615.212073][ T1167] [ 615.215550][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 615.215550][ T1167] netdev_get_by_index+0x5e/0x80 [ 615.215550][ T1167] fib6_nh_init+0x3d8/0x1580 [ 615.215550][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 615.215550][ T1167] ip6_route_add+0x1c/0x140 [ 615.215550][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 615.215550][ T1167] addrconf_add_dev+0xe2/0x170 [ 615.215550][ T1167] inet6_addr_add+0x12f/0xa40 [ 615.215550][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 615.215550][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 615.215550][ T1167] netlink_rcv_skb+0x130/0x360 [ 615.215550][ T1167] netlink_unicast+0x449/0x710 [ 615.215550][ T1167] netlink_sendmsg+0x723/0xbe0 [ 615.215550][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 615.215550][ T1167] ___sys_sendmsg+0xee/0x170 [ 615.215550][ T1167] __sys_sendmsg+0xcd/0x170 [ 615.215550][ T1167] do_syscall_64+0xc6/0x1e0 [ 615.215550][ T1167] [ 615.219179][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 615.219179][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 615.219179][ T1167] ipv6_find_idev+0x102/0x170 [ 615.219179][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 615.219179][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 615.219179][ T1167] netlink_rcv_skb+0x130/0x360 [ 615.219179][ T1167] netlink_unicast+0x449/0x710 [ 615.219179][ T1167] netlink_sendmsg+0x723/0xbe0 [ 615.219179][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 615.219179][ T1167] ___sys_sendmsg+0xee/0x170 [ 615.219179][ T1167] __sys_sendmsg+0xcd/0x170 [ 615.219179][ T1167] do_syscall_64+0xc6/0x1e0 [ 615.219179][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 615.219179][ T1167] [ 615.221974][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 615.221974][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 615.221974][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 615.221974][ T1167] ipv6_find_idev+0x102/0x170 [ 615.221974][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 615.221974][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 615.221974][ T1167] netlink_rcv_skb+0x130/0x360 [ 615.221974][ T1167] netlink_unicast+0x449/0x710 [ 615.221974][ T1167] netlink_sendmsg+0x723/0xbe0 [ 615.221974][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 615.221974][ T1167] ___sys_sendmsg+0xee/0x170 [ 615.221974][ T1167] __sys_sendmsg+0xcd/0x170 [ 615.221974][ T1167] do_syscall_64+0xc6/0x1e0 [ 615.221974][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 615.221974][ T1167] [ 624.241157][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 624.241567][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 624.241567][ T10] netdev_get_by_index+0x5e/0x80 [ 624.241567][ T10] fib6_nh_init+0x3d8/0x1580 [ 624.241567][ T10] ip6_route_info_create+0xf18/0x17d0 [ 624.241567][ T10] addrconf_f6i_alloc+0x265/0x560 [ 624.241567][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 624.241567][ T10] addrconf_join_anycast+0x1c0/0x220 [ 624.241567][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 624.241567][ T10] addrconf_dad_completed+0x12b/0xe20 [ 624.241567][ T10] addrconf_dad_begin+0x310/0x670 [ 624.241567][ T10] addrconf_dad_work+0x10b/0xab0 [ 624.241567][ T10] process_one_work+0x84d/0x18a0 [ 624.241567][ T10] worker_thread+0x587/0xd30 [ 624.241567][ T10] kthread+0x28a/0x350 [ 624.241567][ T10] ret_from_fork+0x31/0x70 [ 624.241567][ T10] ret_from_fork_asm+0x1a/0x30 [ 624.241567][ T10] [ 624.243579][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 624.243579][ T10] netdev_get_by_index+0x5e/0x80 [ 624.243579][ T10] fib6_nh_init+0x3d8/0x1580 [ 624.243579][ T10] ip6_route_info_create+0xf18/0x17d0 [ 624.243579][ T10] ip6_route_add+0x1c/0x140 [ 624.243579][ T10] addrconf_prefix_route+0x2a6/0x430 [ 624.243579][ T10] inet6_addr_add+0x4f8/0xa40 [ 624.243579][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 624.243579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.243579][ T10] netlink_rcv_skb+0x130/0x360 [ 624.243579][ T10] netlink_unicast+0x449/0x710 [ 624.243579][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.243579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.243579][ T10] ___sys_sendmsg+0xee/0x170 [ 624.243579][ T10] __sys_sendmsg+0xcd/0x170 [ 624.243579][ T10] do_syscall_64+0xc6/0x1e0 [ 624.243579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.243579][ T10] [ 624.245691][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 624.245691][ T10] netdev_get_by_index+0x5e/0x80 [ 624.245691][ T10] fib6_nh_init+0x3d8/0x1580 [ 624.245691][ T10] ip6_route_info_create+0xf18/0x17d0 [ 624.245691][ T10] addrconf_f6i_alloc+0x315/0x560 [ 624.245691][ T10] ipv6_add_addr+0x411/0x2000 [ 624.245691][ T10] inet6_addr_add+0x30e/0xa40 [ 624.245691][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 624.245691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.245691][ T10] netlink_rcv_skb+0x130/0x360 [ 624.245691][ T10] netlink_unicast+0x449/0x710 [ 624.245691][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.245691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.245691][ T10] ___sys_sendmsg+0xee/0x170 [ 624.245691][ T10] __sys_sendmsg+0xcd/0x170 [ 624.245691][ T10] do_syscall_64+0xc6/0x1e0 [ 624.245691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.245691][ T10] [ 624.247790][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 624.247790][ T10] netdev_get_by_index+0x5e/0x80 [ 624.247790][ T10] fib6_nh_init+0x3d8/0x1580 [ 624.247790][ T10] ip6_route_info_create+0xf18/0x17d0 [ 624.247790][ T10] ip6_route_add+0x1c/0x140 [ 624.247790][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 624.247790][ T10] addrconf_add_dev+0xe2/0x170 [ 624.247790][ T10] inet6_addr_add+0x12f/0xa40 [ 624.247790][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 624.247790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.247790][ T10] netlink_rcv_skb+0x130/0x360 [ 624.247790][ T10] netlink_unicast+0x449/0x710 [ 624.247790][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.247790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.247790][ T10] ___sys_sendmsg+0xee/0x170 [ 624.247790][ T10] __sys_sendmsg+0xcd/0x170 [ 624.247790][ T10] do_syscall_64+0xc6/0x1e0 [ 624.247790][ T10] [ 624.249908][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 624.249908][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 624.249908][ T10] ipv6_find_idev+0x102/0x170 [ 624.249908][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.249908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.249908][ T10] netlink_rcv_skb+0x130/0x360 [ 624.249908][ T10] netlink_unicast+0x449/0x710 [ 624.249908][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.249908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.249908][ T10] ___sys_sendmsg+0xee/0x170 [ 624.249908][ T10] __sys_sendmsg+0xcd/0x170 [ 624.249908][ T10] do_syscall_64+0xc6/0x1e0 [ 624.249908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.249908][ T10] [ 624.251526][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 624.251526][ T10] neigh_parms_alloc+0x1e5/0x510 [ 624.251526][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 624.251526][ T10] ipv6_find_idev+0x102/0x170 [ 624.251526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.251526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.251526][ T10] netlink_rcv_skb+0x130/0x360 [ 624.251526][ T10] netlink_unicast+0x449/0x710 [ 624.251526][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.251526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.251526][ T10] ___sys_sendmsg+0xee/0x170 [ 624.251526][ T10] __sys_sendmsg+0xcd/0x170 [ 624.251526][ T10] do_syscall_64+0xc6/0x1e0 [ 624.251526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.251526][ T10] [ 624.253290][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 624.253555][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 624.253555][ T10] netdev_get_by_index+0x5e/0x80 [ 624.253555][ T10] fib6_nh_init+0x3d8/0x1580 [ 624.253555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 624.253555][ T10] addrconf_f6i_alloc+0x265/0x560 [ 624.253555][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 624.253555][ T10] addrconf_join_anycast+0x1c0/0x220 [ 624.253555][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 624.253555][ T10] addrconf_dad_completed+0x12b/0xe20 [ 624.253555][ T10] addrconf_dad_begin+0x310/0x670 [ 624.253555][ T10] addrconf_dad_work+0x10b/0xab0 [ 624.253555][ T10] process_one_work+0x84d/0x18a0 [ 624.253555][ T10] worker_thread+0x587/0xd30 [ 624.253555][ T10] kthread+0x28a/0x350 [ 624.253555][ T10] ret_from_fork+0x31/0x70 [ 624.253555][ T10] ret_from_fork_asm+0x1a/0x30 [ 624.253555][ T10] [ 624.255528][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 624.255528][ T10] netdev_get_by_index+0x5e/0x80 [ 624.255528][ T10] fib6_nh_init+0x3d8/0x1580 [ 624.255528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 624.255528][ T10] ip6_route_add+0x1c/0x140 [ 624.255528][ T10] addrconf_prefix_route+0x2a6/0x430 [ 624.255528][ T10] inet6_addr_add+0x4f8/0xa40 [ 624.255528][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 624.255528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.255528][ T10] netlink_rcv_skb+0x130/0x360 [ 624.255528][ T10] netlink_unicast+0x449/0x710 [ 624.255528][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.255528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.255528][ T10] ___sys_sendmsg+0xee/0x170 [ 624.255528][ T10] __sys_sendmsg+0xcd/0x170 [ 624.255528][ T10] do_syscall_64+0xc6/0x1e0 [ 624.255528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.255528][ T10] [ 624.257596][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 624.257596][ T10] netdev_get_by_index+0x5e/0x80 [ 624.257596][ T10] fib6_nh_init+0x3d8/0x1580 [ 624.257596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 624.257596][ T10] addrconf_f6i_alloc+0x315/0x560 [ 624.257596][ T10] ipv6_add_addr+0x411/0x2000 [ 624.257596][ T10] inet6_addr_add+0x30e/0xa40 [ 624.257596][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 624.257596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.257596][ T10] netlink_rcv_skb+0x130/0x360 [ 624.257596][ T10] netlink_unicast+0x449/0x710 [ 624.257596][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.257596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.257596][ T10] ___sys_sendmsg+0xee/0x170 [ 624.257596][ T10] __sys_sendmsg+0xcd/0x170 [ 624.257596][ T10] do_syscall_64+0xc6/0x1e0 [ 624.257596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.257596][ T10] [ 624.259675][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 624.259675][ T10] netdev_get_by_index+0x5e/0x80 [ 624.259675][ T10] fib6_nh_init+0x3d8/0x1580 [ 624.259675][ T10] ip6_route_info_create+0xf18/0x17d0 [ 624.259675][ T10] ip6_route_add+0x1c/0x140 [ 624.259675][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 624.259675][ T10] addrconf_add_dev+0xe2/0x170 [ 624.259675][ T10] inet6_addr_add+0x12f/0xa40 [ 624.259675][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 624.259675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.259675][ T10] netlink_rcv_skb+0x130/0x360 [ 624.259675][ T10] netlink_unicast+0x449/0x710 [ 624.259675][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.259675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.259675][ T10] ___sys_sendmsg+0xee/0x170 [ 624.259675][ T10] __sys_sendmsg+0xcd/0x170 [ 624.259675][ T10] do_syscall_64+0xc6/0x1e0 [ 624.259675][ T10] [ 624.261760][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 624.261760][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 624.261760][ T10] ipv6_find_idev+0x102/0x170 [ 624.261760][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.261760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.261760][ T10] netlink_rcv_skb+0x130/0x360 [ 624.261760][ T10] netlink_unicast+0x449/0x710 [ 624.261760][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.261760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.261760][ T10] ___sys_sendmsg+0xee/0x170 [ 624.261760][ T10] __sys_sendmsg+0xcd/0x170 [ 624.261760][ T10] do_syscall_64+0xc6/0x1e0 [ 624.261760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.261760][ T10] [ 624.263418][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 624.263418][ T10] neigh_parms_alloc+0x1e5/0x510 [ 624.263418][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 624.263418][ T10] ipv6_find_idev+0x102/0x170 [ 624.263418][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.263418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.263418][ T10] netlink_rcv_skb+0x130/0x360 [ 624.263418][ T10] netlink_unicast+0x449/0x710 [ 624.263418][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.263418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.263418][ T10] ___sys_sendmsg+0xee/0x170 [ 624.263418][ T10] __sys_sendmsg+0xcd/0x170 [ 624.263418][ T10] do_syscall_64+0xc6/0x1e0 [ 624.263418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.263418][ T10] [ 624.265291][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 624.265563][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 624.265563][ T10] netdev_get_by_index+0x5e/0x80 [ 624.265563][ T10] fib6_nh_init+0x3d8/0x1580 [ 624.265563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 624.265563][ T10] addrconf_f6i_alloc+0x265/0x560 [ 624.265563][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 624.265563][ T10] addrconf_join_anycast+0x1c0/0x220 [ 624.265563][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 624.265563][ T10] addrconf_dad_completed+0x12b/0xe20 [ 624.265563][ T10] addrconf_dad_begin+0x310/0x670 [ 624.265563][ T10] addrconf_dad_work+0x10b/0xab0 [ 624.265563][ T10] process_one_work+0x84d/0x18a0 [ 624.265563][ T10] worker_thread+0x587/0xd30 [ 624.265563][ T10] kthread+0x28a/0x350 [ 624.265563][ T10] ret_from_fork+0x31/0x70 [ 624.265563][ T10] ret_from_fork_asm+0x1a/0x30 [ 624.265563][ T10] [ 624.267710][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 624.267710][ T10] netdev_get_by_index+0x5e/0x80 [ 624.267710][ T10] fib6_nh_init+0x3d8/0x1580 [ 624.267710][ T10] ip6_route_info_create+0xf18/0x17d0 [ 624.267710][ T10] ip6_route_add+0x1c/0x140 [ 624.267710][ T10] addrconf_prefix_route+0x2a6/0x430 [ 624.267710][ T10] inet6_addr_add+0x4f8/0xa40 [ 624.267710][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 624.267710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.267710][ T10] netlink_rcv_skb+0x130/0x360 [ 624.267710][ T10] netlink_unicast+0x449/0x710 [ 624.267710][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.267710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.267710][ T10] ___sys_sendmsg+0xee/0x170 [ 624.267710][ T10] __sys_sendmsg+0xcd/0x170 [ 624.267710][ T10] do_syscall_64+0xc6/0x1e0 [ 624.267710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.267710][ T10] [ 624.270085][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 624.270085][ T10] netdev_get_by_index+0x5e/0x80 [ 624.270085][ T10] fib6_nh_init+0x3d8/0x1580 [ 624.270085][ T10] ip6_route_info_create+0xf18/0x17d0 [ 624.270085][ T10] addrconf_f6i_alloc+0x315/0x560 [ 624.270085][ T10] ipv6_add_addr+0x411/0x2000 [ 624.270085][ T10] inet6_addr_add+0x30e/0xa40 [ 624.270085][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 624.270085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.270085][ T10] netlink_rcv_skb+0x130/0x360 [ 624.270085][ T10] netlink_unicast+0x449/0x710 [ 624.270085][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.270085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.270085][ T10] ___sys_sendmsg+0xee/0x170 [ 624.270085][ T10] __sys_sendmsg+0xcd/0x170 [ 624.270085][ T10] do_syscall_64+0xc6/0x1e0 [ 624.270085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.270085][ T10] [ 624.272470][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 624.272470][ T10] netdev_get_by_index+0x5e/0x80 [ 624.272470][ T10] fib6_nh_init+0x3d8/0x1580 [ 624.272470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 624.272470][ T10] ip6_route_add+0x1c/0x140 [ 624.272470][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 624.272470][ T10] addrconf_add_dev+0xe2/0x170 [ 624.272470][ T10] inet6_addr_add+0x12f/0xa40 [ 624.272470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 624.272470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.272470][ T10] netlink_rcv_skb+0x130/0x360 [ 624.272470][ T10] netlink_unicast+0x449/0x710 [ 624.272470][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.272470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.272470][ T10] ___sys_sendmsg+0xee/0x170 [ 624.272470][ T10] __sys_sendmsg+0xcd/0x170 [ 624.272470][ T10] do_syscall_64+0xc6/0x1e0 [ 624.272470][ T10] [ 624.274717][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 624.274717][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 624.274717][ T10] ipv6_find_idev+0x102/0x170 [ 624.274717][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.274717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.274717][ T10] netlink_rcv_skb+0x130/0x360 [ 624.274717][ T10] netlink_unicast+0x449/0x710 [ 624.274717][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.274717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.274717][ T10] ___sys_sendmsg+0xee/0x170 [ 624.274717][ T10] __sys_sendmsg+0xcd/0x170 [ 624.274717][ T10] do_syscall_64+0xc6/0x1e0 [ 624.274717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.274717][ T10] [ 624.276497][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 624.276497][ T10] neigh_parms_alloc+0x1e5/0x510 [ 624.276497][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 624.276497][ T10] ipv6_find_idev+0x102/0x170 [ 624.276497][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.276497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.276497][ T10] netlink_rcv_skb+0x130/0x360 [ 624.276497][ T10] netlink_unicast+0x449/0x710 [ 624.276497][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.276497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.276497][ T10] ___sys_sendmsg+0xee/0x170 [ 624.276497][ T10] __sys_sendmsg+0xcd/0x170 [ 624.276497][ T10] do_syscall_64+0xc6/0x1e0 [ 624.276497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.276497][ T10] [ 624.278544][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 624.278794][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 624.278794][ T10] netdev_get_by_index+0x5e/0x80 [ 624.278794][ T10] fib6_nh_init+0x3d8/0x1580 [ 624.278794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 624.278794][ T10] addrconf_f6i_alloc+0x265/0x560 [ 624.278794][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 624.278794][ T10] addrconf_join_anycast+0x1c0/0x220 [ 624.278794][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 624.278794][ T10] addrconf_dad_completed+0x12b/0xe20 [ 624.278794][ T10] addrconf_dad_begin+0x310/0x670 [ 624.278794][ T10] addrconf_dad_work+0x10b/0xab0 [ 624.278794][ T10] process_one_work+0x84d/0x18a0 [ 624.278794][ T10] worker_thread+0x587/0xd30 [ 624.278794][ T10] kthread+0x28a/0x350 [ 624.278794][ T10] ret_from_fork+0x31/0x70 [ 624.278794][ T10] ret_from_fork_asm+0x1a/0x30 [ 624.278794][ T10] [ 624.281056][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 624.281056][ T10] netdev_get_by_index+0x5e/0x80 [ 624.281056][ T10] fib6_nh_init+0x3d8/0x1580 [ 624.281056][ T10] ip6_route_info_create+0xf18/0x17d0 [ 624.281056][ T10] ip6_route_add+0x1c/0x140 [ 624.281056][ T10] addrconf_prefix_route+0x2a6/0x430 [ 624.281056][ T10] inet6_addr_add+0x4f8/0xa40 [ 624.281056][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 624.281056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.281056][ T10] netlink_rcv_skb+0x130/0x360 [ 624.281056][ T10] netlink_unicast+0x449/0x710 [ 624.281056][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.281056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.281056][ T10] ___sys_sendmsg+0xee/0x170 [ 624.281056][ T10] __sys_sendmsg+0xcd/0x170 [ 624.281056][ T10] do_syscall_64+0xc6/0x1e0 [ 624.281056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.281056][ T10] [ 624.283419][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 624.283419][ T10] netdev_get_by_index+0x5e/0x80 [ 624.283419][ T10] fib6_nh_init+0x3d8/0x1580 [ 624.283419][ T10] ip6_route_info_create+0xf18/0x17d0 [ 624.283419][ T10] addrconf_f6i_alloc+0x315/0x560 [ 624.283419][ T10] ipv6_add_addr+0x411/0x2000 [ 624.283419][ T10] inet6_addr_add+0x30e/0xa40 [ 624.283419][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 624.283419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.283419][ T10] netlink_rcv_skb+0x130/0x360 [ 624.283419][ T10] netlink_unicast+0x449/0x710 [ 624.283419][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.283419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.283419][ T10] ___sys_sendmsg+0xee/0x170 [ 624.283419][ T10] __sys_sendmsg+0xcd/0x170 [ 624.283419][ T10] do_syscall_64+0xc6/0x1e0 [ 624.283419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.283419][ T10] [ 624.285706][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 624.285706][ T10] netdev_get_by_index+0x5e/0x80 [ 624.285706][ T10] fib6_nh_init+0x3d8/0x1580 [ 624.285706][ T10] ip6_route_info_create+0xf18/0x17d0 [ 624.285706][ T10] ip6_route_add+0x1c/0x140 [ 624.285706][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 624.285706][ T10] addrconf_add_dev+0xe2/0x170 [ 624.285706][ T10] inet6_addr_add+0x12f/0xa40 [ 624.285706][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 624.285706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.285706][ T10] netlink_rcv_skb+0x130/0x360 [ 624.285706][ T10] netlink_unicast+0x449/0x710 [ 624.285706][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.285706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.285706][ T10] ___sys_sendmsg+0xee/0x170 [ 624.285706][ T10] __sys_sendmsg+0xcd/0x170 [ 624.285706][ T10] do_syscall_64+0xc6/0x1e0 [ 624.285706][ T10] [ 624.288011][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 624.288011][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 624.288011][ T10] ipv6_find_idev+0x102/0x170 [ 624.288011][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.288011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.288011][ T10] netlink_rcv_skb+0x130/0x360 [ 624.288011][ T10] netlink_unicast+0x449/0x710 [ 624.288011][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.288011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.288011][ T10] ___sys_sendmsg+0xee/0x170 [ 624.288011][ T10] __sys_sendmsg+0xcd/0x170 [ 624.288011][ T10] do_syscall_64+0xc6/0x1e0 [ 624.288011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.288011][ T10] [ 624.289790][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 624.289790][ T10] neigh_parms_alloc+0x1e5/0x510 [ 624.289790][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 624.289790][ T10] ipv6_find_idev+0x102/0x170 [ 624.289790][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.289790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.289790][ T10] netlink_rcv_skb+0x130/0x360 [ 624.289790][ T10] netlink_unicast+0x449/0x710 [ 624.289790][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.289790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.289790][ T10] ___sys_sendmsg+0xee/0x170 [ 624.289790][ T10] __sys_sendmsg+0xcd/0x170 [ 624.289790][ T10] do_syscall_64+0xc6/0x1e0 [ 624.289790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.289790][ T10] [ 625.265101][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 625.265789][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 625.265789][ T1167] dst_init+0x84/0x4a0 [ 625.265789][ T1167] dst_alloc+0x97/0x150 [ 625.265789][ T1167] ip6_dst_alloc+0x23/0x90 [ 625.265789][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 625.265789][ T1167] ip6_pol_route+0x56f/0x840 [ 625.265789][ T1167] fib6_rule_lookup+0x334/0x630 [ 625.265789][ T1167] ip6_route_output_flags+0x259/0x480 [ 625.265789][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 625.265789][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 625.265789][ T1167] netlink_rcv_skb+0x130/0x360 [ 625.265789][ T1167] netlink_unicast+0x449/0x710 [ 625.265789][ T1167] netlink_sendmsg+0x723/0xbe0 [ 625.265789][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 625.265789][ T1167] ___sys_sendmsg+0xee/0x170 [ 625.265789][ T1167] __sys_sendmsg+0xcd/0x170 [ 625.265789][ T1167] do_syscall_64+0xc6/0x1e0 [ 625.265789][ T1167] [ 625.268376][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 625.268376][ T1167] netdev_get_by_index+0x5e/0x80 [ 625.268376][ T1167] fib6_nh_init+0x3d8/0x1580 [ 625.268376][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 625.268376][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 625.268376][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 625.268376][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 625.268376][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 625.268376][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 625.268376][ T1167] addrconf_dad_begin+0x310/0x670 [ 625.268376][ T1167] addrconf_dad_work+0x10b/0xab0 [ 625.268376][ T1167] process_one_work+0x84d/0x18a0 [ 625.268376][ T1167] worker_thread+0x587/0xd30 [ 625.268376][ T1167] kthread+0x28a/0x350 [ 625.268376][ T1167] ret_from_fork+0x31/0x70 [ 625.268376][ T1167] ret_from_fork_asm+0x1a/0x30 [ 625.268376][ T1167] [ 625.271103][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 625.271103][ T1167] netdev_get_by_index+0x5e/0x80 [ 625.271103][ T1167] fib6_nh_init+0x3d8/0x1580 [ 625.271103][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 625.271103][ T1167] ip6_route_add+0x1c/0x140 [ 625.271103][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 625.271103][ T1167] inet6_addr_add+0x4f8/0xa40 [ 625.271103][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 625.271103][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 625.271103][ T1167] netlink_rcv_skb+0x130/0x360 [ 625.271103][ T1167] netlink_unicast+0x449/0x710 [ 625.271103][ T1167] netlink_sendmsg+0x723/0xbe0 [ 625.271103][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 625.271103][ T1167] ___sys_sendmsg+0xee/0x170 [ 625.271103][ T1167] __sys_sendmsg+0xcd/0x170 [ 625.271103][ T1167] do_syscall_64+0xc6/0x1e0 [ 625.271103][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 625.271103][ T1167] [ 625.273764][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 625.273764][ T1167] netdev_get_by_index+0x5e/0x80 [ 625.273764][ T1167] fib6_nh_init+0x3d8/0x1580 [ 625.273764][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 625.273764][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 625.273764][ T1167] ipv6_add_addr+0x411/0x2000 [ 625.273764][ T1167] inet6_addr_add+0x30e/0xa40 [ 625.273764][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 625.273764][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 625.273764][ T1167] netlink_rcv_skb+0x130/0x360 [ 625.273764][ T1167] netlink_unicast+0x449/0x710 [ 625.273764][ T1167] netlink_sendmsg+0x723/0xbe0 [ 625.273764][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 625.273764][ T1167] ___sys_sendmsg+0xee/0x170 [ 625.273764][ T1167] __sys_sendmsg+0xcd/0x170 [ 625.273764][ T1167] do_syscall_64+0xc6/0x1e0 [ 625.273764][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 625.273764][ T1167] [ 625.277247][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 625.277247][ T1167] netdev_get_by_index+0x5e/0x80 [ 625.277247][ T1167] fib6_nh_init+0x3d8/0x1580 [ 625.277247][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 625.277247][ T1167] ip6_route_add+0x1c/0x140 [ 625.277247][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 625.277247][ T1167] addrconf_add_dev+0xe2/0x170 [ 625.277247][ T1167] inet6_addr_add+0x12f/0xa40 [ 625.277247][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 625.277247][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 625.277247][ T1167] netlink_rcv_skb+0x130/0x360 [ 625.277247][ T1167] netlink_unicast+0x449/0x710 [ 625.277247][ T1167] netlink_sendmsg+0x723/0xbe0 [ 625.277247][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 625.277247][ T1167] ___sys_sendmsg+0xee/0x170 [ 625.277247][ T1167] __sys_sendmsg+0xcd/0x170 [ 625.277247][ T1167] do_syscall_64+0xc6/0x1e0 [ 625.277247][ T1167] [ 625.280751][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 625.280751][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 625.280751][ T1167] ipv6_find_idev+0x102/0x170 [ 625.280751][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 625.280751][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 625.280751][ T1167] netlink_rcv_skb+0x130/0x360 [ 625.280751][ T1167] netlink_unicast+0x449/0x710 [ 625.280751][ T1167] netlink_sendmsg+0x723/0xbe0 [ 625.280751][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 625.280751][ T1167] ___sys_sendmsg+0xee/0x170 [ 625.280751][ T1167] __sys_sendmsg+0xcd/0x170 [ 625.280751][ T1167] do_syscall_64+0xc6/0x1e0 [ 625.280751][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 625.280751][ T1167] [ 625.283457][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 625.283457][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 625.283457][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 625.283457][ T1167] ipv6_find_idev+0x102/0x170 [ 625.283457][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 625.283457][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 625.283457][ T1167] netlink_rcv_skb+0x130/0x360 [ 625.283457][ T1167] netlink_unicast+0x449/0x710 [ 625.283457][ T1167] netlink_sendmsg+0x723/0xbe0 [ 625.283457][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 625.283457][ T1167] ___sys_sendmsg+0xee/0x170 [ 625.283457][ T1167] __sys_sendmsg+0xcd/0x170 [ 625.283457][ T1167] do_syscall_64+0xc6/0x1e0 [ 625.283457][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 625.283457][ T1167] [ 634.529121][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 634.529498][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 634.529498][ T10] netdev_get_by_index+0x5e/0x80 [ 634.529498][ T10] fib6_nh_init+0x3d8/0x1580 [ 634.529498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 634.529498][ T10] addrconf_f6i_alloc+0x265/0x560 [ 634.529498][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 634.529498][ T10] addrconf_join_anycast+0x1c0/0x220 [ 634.529498][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 634.529498][ T10] addrconf_dad_completed+0x12b/0xe20 [ 634.529498][ T10] addrconf_dad_begin+0x310/0x670 [ 634.529498][ T10] addrconf_dad_work+0x10b/0xab0 [ 634.529498][ T10] process_one_work+0x84d/0x18a0 [ 634.529498][ T10] worker_thread+0x587/0xd30 [ 634.529498][ T10] kthread+0x28a/0x350 [ 634.529498][ T10] ret_from_fork+0x31/0x70 [ 634.529498][ T10] ret_from_fork_asm+0x1a/0x30 [ 634.529498][ T10] [ 634.531429][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 634.531429][ T10] netdev_get_by_index+0x5e/0x80 [ 634.531429][ T10] fib6_nh_init+0x3d8/0x1580 [ 634.531429][ T10] ip6_route_info_create+0xf18/0x17d0 [ 634.531429][ T10] ip6_route_add+0x1c/0x140 [ 634.531429][ T10] addrconf_prefix_route+0x2a6/0x430 [ 634.531429][ T10] inet6_addr_add+0x4f8/0xa40 [ 634.531429][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 634.531429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.531429][ T10] netlink_rcv_skb+0x130/0x360 [ 634.531429][ T10] netlink_unicast+0x449/0x710 [ 634.531429][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.531429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.531429][ T10] ___sys_sendmsg+0xee/0x170 [ 634.531429][ T10] __sys_sendmsg+0xcd/0x170 [ 634.531429][ T10] do_syscall_64+0xc6/0x1e0 [ 634.531429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.531429][ T10] [ 634.533463][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 634.533463][ T10] netdev_get_by_index+0x5e/0x80 [ 634.533463][ T10] fib6_nh_init+0x3d8/0x1580 [ 634.533463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 634.533463][ T10] addrconf_f6i_alloc+0x315/0x560 [ 634.533463][ T10] ipv6_add_addr+0x411/0x2000 [ 634.533463][ T10] inet6_addr_add+0x30e/0xa40 [ 634.533463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 634.533463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.533463][ T10] netlink_rcv_skb+0x130/0x360 [ 634.533463][ T10] netlink_unicast+0x449/0x710 [ 634.533463][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.533463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.533463][ T10] ___sys_sendmsg+0xee/0x170 [ 634.533463][ T10] __sys_sendmsg+0xcd/0x170 [ 634.533463][ T10] do_syscall_64+0xc6/0x1e0 [ 634.533463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.533463][ T10] [ 634.535529][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 634.535529][ T10] netdev_get_by_index+0x5e/0x80 [ 634.535529][ T10] fib6_nh_init+0x3d8/0x1580 [ 634.535529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 634.535529][ T10] ip6_route_add+0x1c/0x140 [ 634.535529][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 634.535529][ T10] addrconf_add_dev+0xe2/0x170 [ 634.535529][ T10] inet6_addr_add+0x12f/0xa40 [ 634.535529][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 634.535529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.535529][ T10] netlink_rcv_skb+0x130/0x360 [ 634.535529][ T10] netlink_unicast+0x449/0x710 [ 634.535529][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.535529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.535529][ T10] ___sys_sendmsg+0xee/0x170 [ 634.535529][ T10] __sys_sendmsg+0xcd/0x170 [ 634.535529][ T10] do_syscall_64+0xc6/0x1e0 [ 634.535529][ T10] [ 634.537518][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 634.537518][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 634.537518][ T10] ipv6_find_idev+0x102/0x170 [ 634.537518][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.537518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.537518][ T10] netlink_rcv_skb+0x130/0x360 [ 634.537518][ T10] netlink_unicast+0x449/0x710 [ 634.537518][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.537518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.537518][ T10] ___sys_sendmsg+0xee/0x170 [ 634.537518][ T10] __sys_sendmsg+0xcd/0x170 [ 634.537518][ T10] do_syscall_64+0xc6/0x1e0 [ 634.537518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.537518][ T10] [ 634.539089][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 634.539089][ T10] neigh_parms_alloc+0x1e5/0x510 [ 634.539089][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 634.539089][ T10] ipv6_find_idev+0x102/0x170 [ 634.539089][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.539089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.539089][ T10] netlink_rcv_skb+0x130/0x360 [ 634.539089][ T10] netlink_unicast+0x449/0x710 [ 634.539089][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.539089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.539089][ T10] ___sys_sendmsg+0xee/0x170 [ 634.539089][ T10] __sys_sendmsg+0xcd/0x170 [ 634.539089][ T10] do_syscall_64+0xc6/0x1e0 [ 634.539089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.539089][ T10] [ 634.540892][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 634.541156][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 634.541156][ T10] netdev_get_by_index+0x5e/0x80 [ 634.541156][ T10] fib6_nh_init+0x3d8/0x1580 [ 634.541156][ T10] ip6_route_info_create+0xf18/0x17d0 [ 634.541156][ T10] addrconf_f6i_alloc+0x265/0x560 [ 634.541156][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 634.541156][ T10] addrconf_join_anycast+0x1c0/0x220 [ 634.541156][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 634.541156][ T10] addrconf_dad_completed+0x12b/0xe20 [ 634.541156][ T10] addrconf_dad_begin+0x310/0x670 [ 634.541156][ T10] addrconf_dad_work+0x10b/0xab0 [ 634.541156][ T10] process_one_work+0x84d/0x18a0 [ 634.541156][ T10] worker_thread+0x587/0xd30 [ 634.541156][ T10] kthread+0x28a/0x350 [ 634.541156][ T10] ret_from_fork+0x31/0x70 [ 634.541156][ T10] ret_from_fork_asm+0x1a/0x30 [ 634.541156][ T10] [ 634.543105][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 634.543105][ T10] netdev_get_by_index+0x5e/0x80 [ 634.543105][ T10] fib6_nh_init+0x3d8/0x1580 [ 634.543105][ T10] ip6_route_info_create+0xf18/0x17d0 [ 634.543105][ T10] ip6_route_add+0x1c/0x140 [ 634.543105][ T10] addrconf_prefix_route+0x2a6/0x430 [ 634.543105][ T10] inet6_addr_add+0x4f8/0xa40 [ 634.543105][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 634.543105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.543105][ T10] netlink_rcv_skb+0x130/0x360 [ 634.543105][ T10] netlink_unicast+0x449/0x710 [ 634.543105][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.543105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.543105][ T10] ___sys_sendmsg+0xee/0x170 [ 634.543105][ T10] __sys_sendmsg+0xcd/0x170 [ 634.543105][ T10] do_syscall_64+0xc6/0x1e0 [ 634.543105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.543105][ T10] [ 634.545088][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 634.545088][ T10] netdev_get_by_index+0x5e/0x80 [ 634.545088][ T10] fib6_nh_init+0x3d8/0x1580 [ 634.545088][ T10] ip6_route_info_create+0xf18/0x17d0 [ 634.545088][ T10] addrconf_f6i_alloc+0x315/0x560 [ 634.545088][ T10] ipv6_add_addr+0x411/0x2000 [ 634.545088][ T10] inet6_addr_add+0x30e/0xa40 [ 634.545088][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 634.545088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.545088][ T10] netlink_rcv_skb+0x130/0x360 [ 634.545088][ T10] netlink_unicast+0x449/0x710 [ 634.545088][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.545088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.545088][ T10] ___sys_sendmsg+0xee/0x170 [ 634.545088][ T10] __sys_sendmsg+0xcd/0x170 [ 634.545088][ T10] do_syscall_64+0xc6/0x1e0 [ 634.545088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.545088][ T10] [ 634.547074][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 634.547074][ T10] netdev_get_by_index+0x5e/0x80 [ 634.547074][ T10] fib6_nh_init+0x3d8/0x1580 [ 634.547074][ T10] ip6_route_info_create+0xf18/0x17d0 [ 634.547074][ T10] ip6_route_add+0x1c/0x140 [ 634.547074][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 634.547074][ T10] addrconf_add_dev+0xe2/0x170 [ 634.547074][ T10] inet6_addr_add+0x12f/0xa40 [ 634.547074][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 634.547074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.547074][ T10] netlink_rcv_skb+0x130/0x360 [ 634.547074][ T10] netlink_unicast+0x449/0x710 [ 634.547074][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.547074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.547074][ T10] ___sys_sendmsg+0xee/0x170 [ 634.547074][ T10] __sys_sendmsg+0xcd/0x170 [ 634.547074][ T10] do_syscall_64+0xc6/0x1e0 [ 634.547074][ T10] [ 634.549015][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 634.549015][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 634.549015][ T10] ipv6_find_idev+0x102/0x170 [ 634.549015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.549015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.549015][ T10] netlink_rcv_skb+0x130/0x360 [ 634.549015][ T10] netlink_unicast+0x449/0x710 [ 634.549015][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.549015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.549015][ T10] ___sys_sendmsg+0xee/0x170 [ 634.549015][ T10] __sys_sendmsg+0xcd/0x170 [ 634.549015][ T10] do_syscall_64+0xc6/0x1e0 [ 634.549015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.549015][ T10] [ 634.550566][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 634.550566][ T10] neigh_parms_alloc+0x1e5/0x510 [ 634.550566][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 634.550566][ T10] ipv6_find_idev+0x102/0x170 [ 634.550566][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.550566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.550566][ T10] netlink_rcv_skb+0x130/0x360 [ 634.550566][ T10] netlink_unicast+0x449/0x710 [ 634.550566][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.550566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.550566][ T10] ___sys_sendmsg+0xee/0x170 [ 634.550566][ T10] __sys_sendmsg+0xcd/0x170 [ 634.550566][ T10] do_syscall_64+0xc6/0x1e0 [ 634.550566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.550566][ T10] [ 634.552287][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 634.552528][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 634.552528][ T10] netdev_get_by_index+0x5e/0x80 [ 634.552528][ T10] fib6_nh_init+0x3d8/0x1580 [ 634.552528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 634.552528][ T10] addrconf_f6i_alloc+0x265/0x560 [ 634.552528][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 634.552528][ T10] addrconf_join_anycast+0x1c0/0x220 [ 634.552528][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 634.552528][ T10] addrconf_dad_completed+0x12b/0xe20 [ 634.552528][ T10] addrconf_dad_begin+0x310/0x670 [ 634.552528][ T10] addrconf_dad_work+0x10b/0xab0 [ 634.552528][ T10] process_one_work+0x84d/0x18a0 [ 634.552528][ T10] worker_thread+0x587/0xd30 [ 634.552528][ T10] kthread+0x28a/0x350 [ 634.552528][ T10] ret_from_fork+0x31/0x70 [ 634.552528][ T10] ret_from_fork_asm+0x1a/0x30 [ 634.552528][ T10] [ 634.554468][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 634.554468][ T10] netdev_get_by_index+0x5e/0x80 [ 634.554468][ T10] fib6_nh_init+0x3d8/0x1580 [ 634.554468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 634.554468][ T10] ip6_route_add+0x1c/0x140 [ 634.554468][ T10] addrconf_prefix_route+0x2a6/0x430 [ 634.554468][ T10] inet6_addr_add+0x4f8/0xa40 [ 634.554468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 634.554468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.554468][ T10] netlink_rcv_skb+0x130/0x360 [ 634.554468][ T10] netlink_unicast+0x449/0x710 [ 634.554468][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.554468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.554468][ T10] ___sys_sendmsg+0xee/0x170 [ 634.554468][ T10] __sys_sendmsg+0xcd/0x170 [ 634.554468][ T10] do_syscall_64+0xc6/0x1e0 [ 634.554468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.554468][ T10] [ 634.556692][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 634.556692][ T10] netdev_get_by_index+0x5e/0x80 [ 634.556692][ T10] fib6_nh_init+0x3d8/0x1580 [ 634.556692][ T10] ip6_route_info_create+0xf18/0x17d0 [ 634.556692][ T10] addrconf_f6i_alloc+0x315/0x560 [ 634.556692][ T10] ipv6_add_addr+0x411/0x2000 [ 634.556692][ T10] inet6_addr_add+0x30e/0xa40 [ 634.556692][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 634.556692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.556692][ T10] netlink_rcv_skb+0x130/0x360 [ 634.556692][ T10] netlink_unicast+0x449/0x710 [ 634.556692][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.556692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.556692][ T10] ___sys_sendmsg+0xee/0x170 [ 634.556692][ T10] __sys_sendmsg+0xcd/0x170 [ 634.556692][ T10] do_syscall_64+0xc6/0x1e0 [ 634.556692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.556692][ T10] [ 634.559031][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 634.559031][ T10] netdev_get_by_index+0x5e/0x80 [ 634.559031][ T10] fib6_nh_init+0x3d8/0x1580 [ 634.559031][ T10] ip6_route_info_create+0xf18/0x17d0 [ 634.559031][ T10] ip6_route_add+0x1c/0x140 [ 634.559031][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 634.559031][ T10] addrconf_add_dev+0xe2/0x170 [ 634.559031][ T10] inet6_addr_add+0x12f/0xa40 [ 634.559031][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 634.559031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.559031][ T10] netlink_rcv_skb+0x130/0x360 [ 634.559031][ T10] netlink_unicast+0x449/0x710 [ 634.559031][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.559031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.559031][ T10] ___sys_sendmsg+0xee/0x170 [ 634.559031][ T10] __sys_sendmsg+0xcd/0x170 [ 634.559031][ T10] do_syscall_64+0xc6/0x1e0 [ 634.559031][ T10] [ 634.561229][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 634.561229][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 634.561229][ T10] ipv6_find_idev+0x102/0x170 [ 634.561229][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.561229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.561229][ T10] netlink_rcv_skb+0x130/0x360 [ 634.561229][ T10] netlink_unicast+0x449/0x710 [ 634.561229][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.561229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.561229][ T10] ___sys_sendmsg+0xee/0x170 [ 634.561229][ T10] __sys_sendmsg+0xcd/0x170 [ 634.561229][ T10] do_syscall_64+0xc6/0x1e0 [ 634.561229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.561229][ T10] [ 634.562982][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 634.562982][ T10] neigh_parms_alloc+0x1e5/0x510 [ 634.562982][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 634.562982][ T10] ipv6_find_idev+0x102/0x170 [ 634.562982][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.562982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.562982][ T10] netlink_rcv_skb+0x130/0x360 [ 634.562982][ T10] netlink_unicast+0x449/0x710 [ 634.562982][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.562982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.562982][ T10] ___sys_sendmsg+0xee/0x170 [ 634.562982][ T10] __sys_sendmsg+0xcd/0x170 [ 634.562982][ T10] do_syscall_64+0xc6/0x1e0 [ 634.562982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.562982][ T10] [ 634.564939][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 634.565635][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 634.565635][ T10] netdev_get_by_index+0x5e/0x80 [ 634.565635][ T10] fib6_nh_init+0x3d8/0x1580 [ 634.565635][ T10] ip6_route_info_create+0xf18/0x17d0 [ 634.565635][ T10] addrconf_f6i_alloc+0x265/0x560 [ 634.565635][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 634.565635][ T10] addrconf_join_anycast+0x1c0/0x220 [ 634.565635][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 634.565635][ T10] addrconf_dad_completed+0x12b/0xe20 [ 634.565635][ T10] addrconf_dad_begin+0x310/0x670 [ 634.565635][ T10] addrconf_dad_work+0x10b/0xab0 [ 634.565635][ T10] process_one_work+0x84d/0x18a0 [ 634.565635][ T10] worker_thread+0x587/0xd30 [ 634.565635][ T10] kthread+0x28a/0x350 [ 634.565635][ T10] ret_from_fork+0x31/0x70 [ 634.565635][ T10] ret_from_fork_asm+0x1a/0x30 [ 634.565635][ T10] [ 634.567591][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 634.567591][ T10] netdev_get_by_index+0x5e/0x80 [ 634.567591][ T10] fib6_nh_init+0x3d8/0x1580 [ 634.567591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 634.567591][ T10] ip6_route_add+0x1c/0x140 [ 634.567591][ T10] addrconf_prefix_route+0x2a6/0x430 [ 634.567591][ T10] inet6_addr_add+0x4f8/0xa40 [ 634.567591][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 634.567591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.567591][ T10] netlink_rcv_skb+0x130/0x360 [ 634.567591][ T10] netlink_unicast+0x449/0x710 [ 634.567591][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.567591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.567591][ T10] ___sys_sendmsg+0xee/0x170 [ 634.567591][ T10] __sys_sendmsg+0xcd/0x170 [ 634.567591][ T10] do_syscall_64+0xc6/0x1e0 [ 634.567591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.567591][ T10] [ 634.569744][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 634.569744][ T10] netdev_get_by_index+0x5e/0x80 [ 634.569744][ T10] fib6_nh_init+0x3d8/0x1580 [ 634.569744][ T10] ip6_route_info_create+0xf18/0x17d0 [ 634.569744][ T10] addrconf_f6i_alloc+0x315/0x560 [ 634.569744][ T10] ipv6_add_addr+0x411/0x2000 [ 634.569744][ T10] inet6_addr_add+0x30e/0xa40 [ 634.569744][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 634.569744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.569744][ T10] netlink_rcv_skb+0x130/0x360 [ 634.569744][ T10] netlink_unicast+0x449/0x710 [ 634.569744][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.569744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.569744][ T10] ___sys_sendmsg+0xee/0x170 [ 634.569744][ T10] __sys_sendmsg+0xcd/0x170 [ 634.569744][ T10] do_syscall_64+0xc6/0x1e0 [ 634.569744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.569744][ T10] [ 634.572033][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 634.572033][ T10] netdev_get_by_index+0x5e/0x80 [ 634.572033][ T10] fib6_nh_init+0x3d8/0x1580 [ 634.572033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 634.572033][ T10] ip6_route_add+0x1c/0x140 [ 634.572033][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 634.572033][ T10] addrconf_add_dev+0xe2/0x170 [ 634.572033][ T10] inet6_addr_add+0x12f/0xa40 [ 634.572033][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 634.572033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.572033][ T10] netlink_rcv_skb+0x130/0x360 [ 634.572033][ T10] netlink_unicast+0x449/0x710 [ 634.572033][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.572033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.572033][ T10] ___sys_sendmsg+0xee/0x170 [ 634.572033][ T10] __sys_sendmsg+0xcd/0x170 [ 634.572033][ T10] do_syscall_64+0xc6/0x1e0 [ 634.572033][ T10] [ 634.574279][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 634.574279][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 634.574279][ T10] ipv6_find_idev+0x102/0x170 [ 634.574279][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.574279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.574279][ T10] netlink_rcv_skb+0x130/0x360 [ 634.574279][ T10] netlink_unicast+0x449/0x710 [ 634.574279][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.574279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.574279][ T10] ___sys_sendmsg+0xee/0x170 [ 634.574279][ T10] __sys_sendmsg+0xcd/0x170 [ 634.574279][ T10] do_syscall_64+0xc6/0x1e0 [ 634.574279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.574279][ T10] [ 634.576073][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 634.576073][ T10] neigh_parms_alloc+0x1e5/0x510 [ 634.576073][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 634.576073][ T10] ipv6_find_idev+0x102/0x170 [ 634.576073][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.576073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.576073][ T10] netlink_rcv_skb+0x130/0x360 [ 634.576073][ T10] netlink_unicast+0x449/0x710 [ 634.576073][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.576073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.576073][ T10] ___sys_sendmsg+0xee/0x170 [ 634.576073][ T10] __sys_sendmsg+0xcd/0x170 [ 634.576073][ T10] do_syscall_64+0xc6/0x1e0 [ 634.576073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.576073][ T10] [ 635.529143][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 635.529712][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 635.529712][ T1167] dst_init+0x84/0x4a0 [ 635.529712][ T1167] dst_alloc+0x97/0x150 [ 635.529712][ T1167] ip6_dst_alloc+0x23/0x90 [ 635.529712][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 635.529712][ T1167] ip6_pol_route+0x56f/0x840 [ 635.529712][ T1167] fib6_rule_lookup+0x334/0x630 [ 635.529712][ T1167] ip6_route_output_flags+0x259/0x480 [ 635.529712][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 635.529712][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 635.529712][ T1167] netlink_rcv_skb+0x130/0x360 [ 635.529712][ T1167] netlink_unicast+0x449/0x710 [ 635.529712][ T1167] netlink_sendmsg+0x723/0xbe0 [ 635.529712][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 635.529712][ T1167] ___sys_sendmsg+0xee/0x170 [ 635.529712][ T1167] __sys_sendmsg+0xcd/0x170 [ 635.529712][ T1167] do_syscall_64+0xc6/0x1e0 [ 635.529712][ T1167] [ 635.532704][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 635.532704][ T1167] netdev_get_by_index+0x5e/0x80 [ 635.532704][ T1167] fib6_nh_init+0x3d8/0x1580 [ 635.532704][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 635.532704][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 635.532704][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 635.532704][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 635.532704][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 635.532704][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 635.532704][ T1167] addrconf_dad_begin+0x310/0x670 [ 635.532704][ T1167] addrconf_dad_work+0x10b/0xab0 [ 635.532704][ T1167] process_one_work+0x84d/0x18a0 [ 635.532704][ T1167] worker_thread+0x587/0xd30 [ 635.532704][ T1167] kthread+0x28a/0x350 [ 635.532704][ T1167] ret_from_fork+0x31/0x70 [ 635.532704][ T1167] ret_from_fork_asm+0x1a/0x30 [ 635.532704][ T1167] [ 635.535636][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 635.535636][ T1167] netdev_get_by_index+0x5e/0x80 [ 635.535636][ T1167] fib6_nh_init+0x3d8/0x1580 [ 635.535636][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 635.535636][ T1167] ip6_route_add+0x1c/0x140 [ 635.535636][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 635.535636][ T1167] inet6_addr_add+0x4f8/0xa40 [ 635.535636][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 635.535636][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 635.535636][ T1167] netlink_rcv_skb+0x130/0x360 [ 635.535636][ T1167] netlink_unicast+0x449/0x710 [ 635.535636][ T1167] netlink_sendmsg+0x723/0xbe0 [ 635.535636][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 635.535636][ T1167] ___sys_sendmsg+0xee/0x170 [ 635.535636][ T1167] __sys_sendmsg+0xcd/0x170 [ 635.535636][ T1167] do_syscall_64+0xc6/0x1e0 [ 635.535636][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 635.535636][ T1167] [ 635.538703][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 635.538703][ T1167] netdev_get_by_index+0x5e/0x80 [ 635.538703][ T1167] fib6_nh_init+0x3d8/0x1580 [ 635.538703][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 635.538703][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 635.538703][ T1167] ipv6_add_addr+0x411/0x2000 [ 635.538703][ T1167] inet6_addr_add+0x30e/0xa40 [ 635.538703][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 635.538703][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 635.538703][ T1167] netlink_rcv_skb+0x130/0x360 [ 635.538703][ T1167] netlink_unicast+0x449/0x710 [ 635.538703][ T1167] netlink_sendmsg+0x723/0xbe0 [ 635.538703][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 635.538703][ T1167] ___sys_sendmsg+0xee/0x170 [ 635.538703][ T1167] __sys_sendmsg+0xcd/0x170 [ 635.538703][ T1167] do_syscall_64+0xc6/0x1e0 [ 635.538703][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 635.538703][ T1167] [ 635.541740][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 635.541740][ T1167] netdev_get_by_index+0x5e/0x80 [ 635.541740][ T1167] fib6_nh_init+0x3d8/0x1580 [ 635.541740][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 635.541740][ T1167] ip6_route_add+0x1c/0x140 [ 635.541740][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 635.541740][ T1167] addrconf_add_dev+0xe2/0x170 [ 635.541740][ T1167] inet6_addr_add+0x12f/0xa40 [ 635.541740][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 635.541740][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 635.541740][ T1167] netlink_rcv_skb+0x130/0x360 [ 635.541740][ T1167] netlink_unicast+0x449/0x710 [ 635.541740][ T1167] netlink_sendmsg+0x723/0xbe0 [ 635.541740][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 635.541740][ T1167] ___sys_sendmsg+0xee/0x170 [ 635.541740][ T1167] __sys_sendmsg+0xcd/0x170 [ 635.541740][ T1167] do_syscall_64+0xc6/0x1e0 [ 635.541740][ T1167] [ 635.544721][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 635.544721][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 635.544721][ T1167] ipv6_find_idev+0x102/0x170 [ 635.544721][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 635.544721][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 635.544721][ T1167] netlink_rcv_skb+0x130/0x360 [ 635.544721][ T1167] netlink_unicast+0x449/0x710 [ 635.544721][ T1167] netlink_sendmsg+0x723/0xbe0 [ 635.544721][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 635.544721][ T1167] ___sys_sendmsg+0xee/0x170 [ 635.544721][ T1167] __sys_sendmsg+0xcd/0x170 [ 635.544721][ T1167] do_syscall_64+0xc6/0x1e0 [ 635.544721][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 635.544721][ T1167] [ 635.547067][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 635.547067][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 635.547067][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 635.547067][ T1167] ipv6_find_idev+0x102/0x170 [ 635.547067][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 635.547067][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 635.547067][ T1167] netlink_rcv_skb+0x130/0x360 [ 635.547067][ T1167] netlink_unicast+0x449/0x710 [ 635.547067][ T1167] netlink_sendmsg+0x723/0xbe0 [ 635.547067][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 635.547067][ T1167] ___sys_sendmsg+0xee/0x170 [ 635.547067][ T1167] __sys_sendmsg+0xcd/0x170 [ 635.547067][ T1167] do_syscall_64+0xc6/0x1e0 [ 635.547067][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 635.547067][ T1167] [ 644.817109][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 644.817501][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 644.817501][ T10] netdev_get_by_index+0x5e/0x80 [ 644.817501][ T10] fib6_nh_init+0x3d8/0x1580 [ 644.817501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 644.817501][ T10] addrconf_f6i_alloc+0x265/0x560 [ 644.817501][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 644.817501][ T10] addrconf_join_anycast+0x1c0/0x220 [ 644.817501][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 644.817501][ T10] addrconf_dad_completed+0x12b/0xe20 [ 644.817501][ T10] addrconf_dad_begin+0x310/0x670 [ 644.817501][ T10] addrconf_dad_work+0x10b/0xab0 [ 644.817501][ T10] process_one_work+0x84d/0x18a0 [ 644.817501][ T10] worker_thread+0x587/0xd30 [ 644.817501][ T10] kthread+0x28a/0x350 [ 644.817501][ T10] ret_from_fork+0x31/0x70 [ 644.817501][ T10] ret_from_fork_asm+0x1a/0x30 [ 644.817501][ T10] [ 644.819526][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 644.819526][ T10] netdev_get_by_index+0x5e/0x80 [ 644.819526][ T10] fib6_nh_init+0x3d8/0x1580 [ 644.819526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 644.819526][ T10] ip6_route_add+0x1c/0x140 [ 644.819526][ T10] addrconf_prefix_route+0x2a6/0x430 [ 644.819526][ T10] inet6_addr_add+0x4f8/0xa40 [ 644.819526][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 644.819526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.819526][ T10] netlink_rcv_skb+0x130/0x360 [ 644.819526][ T10] netlink_unicast+0x449/0x710 [ 644.819526][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.819526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.819526][ T10] ___sys_sendmsg+0xee/0x170 [ 644.819526][ T10] __sys_sendmsg+0xcd/0x170 [ 644.819526][ T10] do_syscall_64+0xc6/0x1e0 [ 644.819526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.819526][ T10] [ 644.821580][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 644.821580][ T10] netdev_get_by_index+0x5e/0x80 [ 644.821580][ T10] fib6_nh_init+0x3d8/0x1580 [ 644.821580][ T10] ip6_route_info_create+0xf18/0x17d0 [ 644.821580][ T10] addrconf_f6i_alloc+0x315/0x560 [ 644.821580][ T10] ipv6_add_addr+0x411/0x2000 [ 644.821580][ T10] inet6_addr_add+0x30e/0xa40 [ 644.821580][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 644.821580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.821580][ T10] netlink_rcv_skb+0x130/0x360 [ 644.821580][ T10] netlink_unicast+0x449/0x710 [ 644.821580][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.821580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.821580][ T10] ___sys_sendmsg+0xee/0x170 [ 644.821580][ T10] __sys_sendmsg+0xcd/0x170 [ 644.821580][ T10] do_syscall_64+0xc6/0x1e0 [ 644.821580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.821580][ T10] [ 644.823645][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 644.823645][ T10] netdev_get_by_index+0x5e/0x80 [ 644.823645][ T10] fib6_nh_init+0x3d8/0x1580 [ 644.823645][ T10] ip6_route_info_create+0xf18/0x17d0 [ 644.823645][ T10] ip6_route_add+0x1c/0x140 [ 644.823645][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 644.823645][ T10] addrconf_add_dev+0xe2/0x170 [ 644.823645][ T10] inet6_addr_add+0x12f/0xa40 [ 644.823645][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 644.823645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.823645][ T10] netlink_rcv_skb+0x130/0x360 [ 644.823645][ T10] netlink_unicast+0x449/0x710 [ 644.823645][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.823645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.823645][ T10] ___sys_sendmsg+0xee/0x170 [ 644.823645][ T10] __sys_sendmsg+0xcd/0x170 [ 644.823645][ T10] do_syscall_64+0xc6/0x1e0 [ 644.823645][ T10] [ 644.825686][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 644.825686][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 644.825686][ T10] ipv6_find_idev+0x102/0x170 [ 644.825686][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.825686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.825686][ T10] netlink_rcv_skb+0x130/0x360 [ 644.825686][ T10] netlink_unicast+0x449/0x710 [ 644.825686][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.825686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.825686][ T10] ___sys_sendmsg+0xee/0x170 [ 644.825686][ T10] __sys_sendmsg+0xcd/0x170 [ 644.825686][ T10] do_syscall_64+0xc6/0x1e0 [ 644.825686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.825686][ T10] [ 644.827277][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 644.827277][ T10] neigh_parms_alloc+0x1e5/0x510 [ 644.827277][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 644.827277][ T10] ipv6_find_idev+0x102/0x170 [ 644.827277][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.827277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.827277][ T10] netlink_rcv_skb+0x130/0x360 [ 644.827277][ T10] netlink_unicast+0x449/0x710 [ 644.827277][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.827277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.827277][ T10] ___sys_sendmsg+0xee/0x170 [ 644.827277][ T10] __sys_sendmsg+0xcd/0x170 [ 644.827277][ T10] do_syscall_64+0xc6/0x1e0 [ 644.827277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.827277][ T10] [ 644.829027][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 644.829292][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 644.829292][ T10] netdev_get_by_index+0x5e/0x80 [ 644.829292][ T10] fib6_nh_init+0x3d8/0x1580 [ 644.829292][ T10] ip6_route_info_create+0xf18/0x17d0 [ 644.829292][ T10] addrconf_f6i_alloc+0x265/0x560 [ 644.829292][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 644.829292][ T10] addrconf_join_anycast+0x1c0/0x220 [ 644.829292][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 644.829292][ T10] addrconf_dad_completed+0x12b/0xe20 [ 644.829292][ T10] addrconf_dad_begin+0x310/0x670 [ 644.829292][ T10] addrconf_dad_work+0x10b/0xab0 [ 644.829292][ T10] process_one_work+0x84d/0x18a0 [ 644.829292][ T10] worker_thread+0x587/0xd30 [ 644.829292][ T10] kthread+0x28a/0x350 [ 644.829292][ T10] ret_from_fork+0x31/0x70 [ 644.829292][ T10] ret_from_fork_asm+0x1a/0x30 [ 644.829292][ T10] [ 644.831316][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 644.831316][ T10] netdev_get_by_index+0x5e/0x80 [ 644.831316][ T10] fib6_nh_init+0x3d8/0x1580 [ 644.831316][ T10] ip6_route_info_create+0xf18/0x17d0 [ 644.831316][ T10] ip6_route_add+0x1c/0x140 [ 644.831316][ T10] addrconf_prefix_route+0x2a6/0x430 [ 644.831316][ T10] inet6_addr_add+0x4f8/0xa40 [ 644.831316][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 644.831316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.831316][ T10] netlink_rcv_skb+0x130/0x360 [ 644.831316][ T10] netlink_unicast+0x449/0x710 [ 644.831316][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.831316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.831316][ T10] ___sys_sendmsg+0xee/0x170 [ 644.831316][ T10] __sys_sendmsg+0xcd/0x170 [ 644.831316][ T10] do_syscall_64+0xc6/0x1e0 [ 644.831316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.831316][ T10] [ 644.833373][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 644.833373][ T10] netdev_get_by_index+0x5e/0x80 [ 644.833373][ T10] fib6_nh_init+0x3d8/0x1580 [ 644.833373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 644.833373][ T10] addrconf_f6i_alloc+0x315/0x560 [ 644.833373][ T10] ipv6_add_addr+0x411/0x2000 [ 644.833373][ T10] inet6_addr_add+0x30e/0xa40 [ 644.833373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 644.833373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.833373][ T10] netlink_rcv_skb+0x130/0x360 [ 644.833373][ T10] netlink_unicast+0x449/0x710 [ 644.833373][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.833373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.833373][ T10] ___sys_sendmsg+0xee/0x170 [ 644.833373][ T10] __sys_sendmsg+0xcd/0x170 [ 644.833373][ T10] do_syscall_64+0xc6/0x1e0 [ 644.833373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.833373][ T10] [ 644.835430][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 644.835430][ T10] netdev_get_by_index+0x5e/0x80 [ 644.835430][ T10] fib6_nh_init+0x3d8/0x1580 [ 644.835430][ T10] ip6_route_info_create+0xf18/0x17d0 [ 644.835430][ T10] ip6_route_add+0x1c/0x140 [ 644.835430][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 644.835430][ T10] addrconf_add_dev+0xe2/0x170 [ 644.835430][ T10] inet6_addr_add+0x12f/0xa40 [ 644.835430][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 644.835430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.835430][ T10] netlink_rcv_skb+0x130/0x360 [ 644.835430][ T10] netlink_unicast+0x449/0x710 [ 644.835430][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.835430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.835430][ T10] ___sys_sendmsg+0xee/0x170 [ 644.835430][ T10] __sys_sendmsg+0xcd/0x170 [ 644.835430][ T10] do_syscall_64+0xc6/0x1e0 [ 644.835430][ T10] [ 644.837428][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 644.837428][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 644.837428][ T10] ipv6_find_idev+0x102/0x170 [ 644.837428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.837428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.837428][ T10] netlink_rcv_skb+0x130/0x360 [ 644.837428][ T10] netlink_unicast+0x449/0x710 [ 644.837428][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.837428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.837428][ T10] ___sys_sendmsg+0xee/0x170 [ 644.837428][ T10] __sys_sendmsg+0xcd/0x170 [ 644.837428][ T10] do_syscall_64+0xc6/0x1e0 [ 644.837428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.837428][ T10] [ 644.839001][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 644.839001][ T10] neigh_parms_alloc+0x1e5/0x510 [ 644.839001][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 644.839001][ T10] ipv6_find_idev+0x102/0x170 [ 644.839001][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.839001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.839001][ T10] netlink_rcv_skb+0x130/0x360 [ 644.839001][ T10] netlink_unicast+0x449/0x710 [ 644.839001][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.839001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.839001][ T10] ___sys_sendmsg+0xee/0x170 [ 644.839001][ T10] __sys_sendmsg+0xcd/0x170 [ 644.839001][ T10] do_syscall_64+0xc6/0x1e0 [ 644.839001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.839001][ T10] [ 644.840741][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 644.840988][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 644.840988][ T10] netdev_get_by_index+0x5e/0x80 [ 644.840988][ T10] fib6_nh_init+0x3d8/0x1580 [ 644.840988][ T10] ip6_route_info_create+0xf18/0x17d0 [ 644.840988][ T10] addrconf_f6i_alloc+0x265/0x560 [ 644.840988][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 644.840988][ T10] addrconf_join_anycast+0x1c0/0x220 [ 644.840988][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 644.840988][ T10] addrconf_dad_completed+0x12b/0xe20 [ 644.840988][ T10] addrconf_dad_begin+0x310/0x670 [ 644.840988][ T10] addrconf_dad_work+0x10b/0xab0 [ 644.840988][ T10] process_one_work+0x84d/0x18a0 [ 644.840988][ T10] worker_thread+0x587/0xd30 [ 644.840988][ T10] kthread+0x28a/0x350 [ 644.840988][ T10] ret_from_fork+0x31/0x70 [ 644.840988][ T10] ret_from_fork_asm+0x1a/0x30 [ 644.840988][ T10] [ 644.842961][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 644.842961][ T10] netdev_get_by_index+0x5e/0x80 [ 644.842961][ T10] fib6_nh_init+0x3d8/0x1580 [ 644.842961][ T10] ip6_route_info_create+0xf18/0x17d0 [ 644.842961][ T10] ip6_route_add+0x1c/0x140 [ 644.842961][ T10] addrconf_prefix_route+0x2a6/0x430 [ 644.842961][ T10] inet6_addr_add+0x4f8/0xa40 [ 644.842961][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 644.842961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.842961][ T10] netlink_rcv_skb+0x130/0x360 [ 644.842961][ T10] netlink_unicast+0x449/0x710 [ 644.842961][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.842961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.842961][ T10] ___sys_sendmsg+0xee/0x170 [ 644.842961][ T10] __sys_sendmsg+0xcd/0x170 [ 644.842961][ T10] do_syscall_64+0xc6/0x1e0 [ 644.842961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.842961][ T10] [ 644.845143][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 644.845143][ T10] netdev_get_by_index+0x5e/0x80 [ 644.845143][ T10] fib6_nh_init+0x3d8/0x1580 [ 644.845143][ T10] ip6_route_info_create+0xf18/0x17d0 [ 644.845143][ T10] addrconf_f6i_alloc+0x315/0x560 [ 644.845143][ T10] ipv6_add_addr+0x411/0x2000 [ 644.845143][ T10] inet6_addr_add+0x30e/0xa40 [ 644.845143][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 644.845143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.845143][ T10] netlink_rcv_skb+0x130/0x360 [ 644.845143][ T10] netlink_unicast+0x449/0x710 [ 644.845143][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.845143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.845143][ T10] ___sys_sendmsg+0xee/0x170 [ 644.845143][ T10] __sys_sendmsg+0xcd/0x170 [ 644.845143][ T10] do_syscall_64+0xc6/0x1e0 [ 644.845143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.845143][ T10] [ 644.847512][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 644.847512][ T10] netdev_get_by_index+0x5e/0x80 [ 644.847512][ T10] fib6_nh_init+0x3d8/0x1580 [ 644.847512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 644.847512][ T10] ip6_route_add+0x1c/0x140 [ 644.847512][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 644.847512][ T10] addrconf_add_dev+0xe2/0x170 [ 644.847512][ T10] inet6_addr_add+0x12f/0xa40 [ 644.847512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 644.847512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.847512][ T10] netlink_rcv_skb+0x130/0x360 [ 644.847512][ T10] netlink_unicast+0x449/0x710 [ 644.847512][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.847512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.847512][ T10] ___sys_sendmsg+0xee/0x170 [ 644.847512][ T10] __sys_sendmsg+0xcd/0x170 [ 644.847512][ T10] do_syscall_64+0xc6/0x1e0 [ 644.847512][ T10] [ 644.849696][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 644.849696][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 644.849696][ T10] ipv6_find_idev+0x102/0x170 [ 644.849696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.849696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.849696][ T10] netlink_rcv_skb+0x130/0x360 [ 644.849696][ T10] netlink_unicast+0x449/0x710 [ 644.849696][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.849696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.849696][ T10] ___sys_sendmsg+0xee/0x170 [ 644.849696][ T10] __sys_sendmsg+0xcd/0x170 [ 644.849696][ T10] do_syscall_64+0xc6/0x1e0 [ 644.849696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.849696][ T10] [ 644.851445][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 644.851445][ T10] neigh_parms_alloc+0x1e5/0x510 [ 644.851445][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 644.851445][ T10] ipv6_find_idev+0x102/0x170 [ 644.851445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.851445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.851445][ T10] netlink_rcv_skb+0x130/0x360 [ 644.851445][ T10] netlink_unicast+0x449/0x710 [ 644.851445][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.851445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.851445][ T10] ___sys_sendmsg+0xee/0x170 [ 644.851445][ T10] __sys_sendmsg+0xcd/0x170 [ 644.851445][ T10] do_syscall_64+0xc6/0x1e0 [ 644.851445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.851445][ T10] [ 644.853401][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 644.853650][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 644.853650][ T10] netdev_get_by_index+0x5e/0x80 [ 644.853650][ T10] fib6_nh_init+0x3d8/0x1580 [ 644.853650][ T10] ip6_route_info_create+0xf18/0x17d0 [ 644.853650][ T10] addrconf_f6i_alloc+0x265/0x560 [ 644.853650][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 644.853650][ T10] addrconf_join_anycast+0x1c0/0x220 [ 644.853650][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 644.853650][ T10] addrconf_dad_completed+0x12b/0xe20 [ 644.853650][ T10] addrconf_dad_begin+0x310/0x670 [ 644.853650][ T10] addrconf_dad_work+0x10b/0xab0 [ 644.853650][ T10] process_one_work+0x84d/0x18a0 [ 644.853650][ T10] worker_thread+0x587/0xd30 [ 644.853650][ T10] kthread+0x28a/0x350 [ 644.853650][ T10] ret_from_fork+0x31/0x70 [ 644.853650][ T10] ret_from_fork_asm+0x1a/0x30 [ 644.853650][ T10] [ 644.855925][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 644.855925][ T10] netdev_get_by_index+0x5e/0x80 [ 644.855925][ T10] fib6_nh_init+0x3d8/0x1580 [ 644.855925][ T10] ip6_route_info_create+0xf18/0x17d0 [ 644.855925][ T10] ip6_route_add+0x1c/0x140 [ 644.855925][ T10] addrconf_prefix_route+0x2a6/0x430 [ 644.855925][ T10] inet6_addr_add+0x4f8/0xa40 [ 644.855925][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 644.855925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.855925][ T10] netlink_rcv_skb+0x130/0x360 [ 644.855925][ T10] netlink_unicast+0x449/0x710 [ 644.855925][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.855925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.855925][ T10] ___sys_sendmsg+0xee/0x170 [ 644.855925][ T10] __sys_sendmsg+0xcd/0x170 [ 644.855925][ T10] do_syscall_64+0xc6/0x1e0 [ 644.855925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.855925][ T10] [ 644.858148][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 644.858148][ T10] netdev_get_by_index+0x5e/0x80 [ 644.858148][ T10] fib6_nh_init+0x3d8/0x1580 [ 644.858148][ T10] ip6_route_info_create+0xf18/0x17d0 [ 644.858148][ T10] addrconf_f6i_alloc+0x315/0x560 [ 644.858148][ T10] ipv6_add_addr+0x411/0x2000 [ 644.858148][ T10] inet6_addr_add+0x30e/0xa40 [ 644.858148][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 644.858148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.858148][ T10] netlink_rcv_skb+0x130/0x360 [ 644.858148][ T10] netlink_unicast+0x449/0x710 [ 644.858148][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.858148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.858148][ T10] ___sys_sendmsg+0xee/0x170 [ 644.858148][ T10] __sys_sendmsg+0xcd/0x170 [ 644.858148][ T10] do_syscall_64+0xc6/0x1e0 [ 644.858148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.858148][ T10] [ 644.860427][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 644.860427][ T10] netdev_get_by_index+0x5e/0x80 [ 644.860427][ T10] fib6_nh_init+0x3d8/0x1580 [ 644.860427][ T10] ip6_route_info_create+0xf18/0x17d0 [ 644.860427][ T10] ip6_route_add+0x1c/0x140 [ 644.860427][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 644.860427][ T10] addrconf_add_dev+0xe2/0x170 [ 644.860427][ T10] inet6_addr_add+0x12f/0xa40 [ 644.860427][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 644.860427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.860427][ T10] netlink_rcv_skb+0x130/0x360 [ 644.860427][ T10] netlink_unicast+0x449/0x710 [ 644.860427][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.860427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.860427][ T10] ___sys_sendmsg+0xee/0x170 [ 644.860427][ T10] __sys_sendmsg+0xcd/0x170 [ 644.860427][ T10] do_syscall_64+0xc6/0x1e0 [ 644.860427][ T10] [ 644.862695][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 644.862695][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 644.862695][ T10] ipv6_find_idev+0x102/0x170 [ 644.862695][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.862695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.862695][ T10] netlink_rcv_skb+0x130/0x360 [ 644.862695][ T10] netlink_unicast+0x449/0x710 [ 644.862695][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.862695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.862695][ T10] ___sys_sendmsg+0xee/0x170 [ 644.862695][ T10] __sys_sendmsg+0xcd/0x170 [ 644.862695][ T10] do_syscall_64+0xc6/0x1e0 [ 644.862695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.862695][ T10] [ 644.864440][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 644.864440][ T10] neigh_parms_alloc+0x1e5/0x510 [ 644.864440][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 644.864440][ T10] ipv6_find_idev+0x102/0x170 [ 644.864440][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.864440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.864440][ T10] netlink_rcv_skb+0x130/0x360 [ 644.864440][ T10] netlink_unicast+0x449/0x710 [ 644.864440][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.864440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.864440][ T10] ___sys_sendmsg+0xee/0x170 [ 644.864440][ T10] __sys_sendmsg+0xcd/0x170 [ 644.864440][ T10] do_syscall_64+0xc6/0x1e0 [ 644.864440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.864440][ T10] [ 645.785167][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 645.785739][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 645.785739][ T1167] dst_init+0x84/0x4a0 [ 645.785739][ T1167] dst_alloc+0x97/0x150 [ 645.785739][ T1167] ip6_dst_alloc+0x23/0x90 [ 645.785739][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 645.785739][ T1167] ip6_pol_route+0x56f/0x840 [ 645.785739][ T1167] fib6_rule_lookup+0x334/0x630 [ 645.785739][ T1167] ip6_route_output_flags+0x259/0x480 [ 645.785739][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 645.785739][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 645.785739][ T1167] netlink_rcv_skb+0x130/0x360 [ 645.785739][ T1167] netlink_unicast+0x449/0x710 [ 645.785739][ T1167] netlink_sendmsg+0x723/0xbe0 [ 645.785739][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 645.785739][ T1167] ___sys_sendmsg+0xee/0x170 [ 645.785739][ T1167] __sys_sendmsg+0xcd/0x170 [ 645.785739][ T1167] do_syscall_64+0xc6/0x1e0 [ 645.785739][ T1167] [ 645.788033][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 645.788033][ T1167] netdev_get_by_index+0x5e/0x80 [ 645.788033][ T1167] fib6_nh_init+0x3d8/0x1580 [ 645.788033][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 645.788033][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 645.788033][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 645.788033][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 645.788033][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 645.788033][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 645.788033][ T1167] addrconf_dad_begin+0x310/0x670 [ 645.788033][ T1167] addrconf_dad_work+0x10b/0xab0 [ 645.788033][ T1167] process_one_work+0x84d/0x18a0 [ 645.788033][ T1167] worker_thread+0x587/0xd30 [ 645.788033][ T1167] kthread+0x28a/0x350 [ 645.788033][ T1167] ret_from_fork+0x31/0x70 [ 645.788033][ T1167] ret_from_fork_asm+0x1a/0x30 [ 645.788033][ T1167] [ 645.790240][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 645.790240][ T1167] netdev_get_by_index+0x5e/0x80 [ 645.790240][ T1167] fib6_nh_init+0x3d8/0x1580 [ 645.790240][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 645.790240][ T1167] ip6_route_add+0x1c/0x140 [ 645.790240][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 645.790240][ T1167] inet6_addr_add+0x4f8/0xa40 [ 645.790240][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 645.790240][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 645.790240][ T1167] netlink_rcv_skb+0x130/0x360 [ 645.790240][ T1167] netlink_unicast+0x449/0x710 [ 645.790240][ T1167] netlink_sendmsg+0x723/0xbe0 [ 645.790240][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 645.790240][ T1167] ___sys_sendmsg+0xee/0x170 [ 645.790240][ T1167] __sys_sendmsg+0xcd/0x170 [ 645.790240][ T1167] do_syscall_64+0xc6/0x1e0 [ 645.790240][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 645.790240][ T1167] [ 645.792552][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 645.792552][ T1167] netdev_get_by_index+0x5e/0x80 [ 645.792552][ T1167] fib6_nh_init+0x3d8/0x1580 [ 645.792552][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 645.792552][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 645.792552][ T1167] ipv6_add_addr+0x411/0x2000 [ 645.792552][ T1167] inet6_addr_add+0x30e/0xa40 [ 645.792552][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 645.792552][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 645.792552][ T1167] netlink_rcv_skb+0x130/0x360 [ 645.792552][ T1167] netlink_unicast+0x449/0x710 [ 645.792552][ T1167] netlink_sendmsg+0x723/0xbe0 [ 645.792552][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 645.792552][ T1167] ___sys_sendmsg+0xee/0x170 [ 645.792552][ T1167] __sys_sendmsg+0xcd/0x170 [ 645.792552][ T1167] do_syscall_64+0xc6/0x1e0 [ 645.792552][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 645.792552][ T1167] [ 645.794866][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 645.794866][ T1167] netdev_get_by_index+0x5e/0x80 [ 645.794866][ T1167] fib6_nh_init+0x3d8/0x1580 [ 645.794866][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 645.794866][ T1167] ip6_route_add+0x1c/0x140 [ 645.794866][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 645.794866][ T1167] addrconf_add_dev+0xe2/0x170 [ 645.794866][ T1167] inet6_addr_add+0x12f/0xa40 [ 645.794866][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 645.794866][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 645.794866][ T1167] netlink_rcv_skb+0x130/0x360 [ 645.794866][ T1167] netlink_unicast+0x449/0x710 [ 645.794866][ T1167] netlink_sendmsg+0x723/0xbe0 [ 645.794866][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 645.794866][ T1167] ___sys_sendmsg+0xee/0x170 [ 645.794866][ T1167] __sys_sendmsg+0xcd/0x170 [ 645.794866][ T1167] do_syscall_64+0xc6/0x1e0 [ 645.794866][ T1167] [ 645.797138][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 645.797138][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 645.797138][ T1167] ipv6_find_idev+0x102/0x170 [ 645.797138][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 645.797138][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 645.797138][ T1167] netlink_rcv_skb+0x130/0x360 [ 645.797138][ T1167] netlink_unicast+0x449/0x710 [ 645.797138][ T1167] netlink_sendmsg+0x723/0xbe0 [ 645.797138][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 645.797138][ T1167] ___sys_sendmsg+0xee/0x170 [ 645.797138][ T1167] __sys_sendmsg+0xcd/0x170 [ 645.797138][ T1167] do_syscall_64+0xc6/0x1e0 [ 645.797138][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 645.797138][ T1167] [ 645.798927][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 645.798927][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 645.798927][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 645.798927][ T1167] ipv6_find_idev+0x102/0x170 [ 645.798927][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 645.798927][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 645.798927][ T1167] netlink_rcv_skb+0x130/0x360 [ 645.798927][ T1167] netlink_unicast+0x449/0x710 [ 645.798927][ T1167] netlink_sendmsg+0x723/0xbe0 [ 645.798927][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 645.798927][ T1167] ___sys_sendmsg+0xee/0x170 [ 645.798927][ T1167] __sys_sendmsg+0xcd/0x170 [ 645.798927][ T1167] do_syscall_64+0xc6/0x1e0 [ 645.798927][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 645.798927][ T1167] [ 655.001153][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 655.001556][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 655.001556][ T10] netdev_get_by_index+0x5e/0x80 [ 655.001556][ T10] fib6_nh_init+0x3d8/0x1580 [ 655.001556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 655.001556][ T10] addrconf_f6i_alloc+0x265/0x560 [ 655.001556][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 655.001556][ T10] addrconf_join_anycast+0x1c0/0x220 [ 655.001556][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 655.001556][ T10] addrconf_dad_completed+0x12b/0xe20 [ 655.001556][ T10] addrconf_dad_begin+0x310/0x670 [ 655.001556][ T10] addrconf_dad_work+0x10b/0xab0 [ 655.001556][ T10] process_one_work+0x84d/0x18a0 [ 655.001556][ T10] worker_thread+0x587/0xd30 [ 655.001556][ T10] kthread+0x28a/0x350 [ 655.001556][ T10] ret_from_fork+0x31/0x70 [ 655.001556][ T10] ret_from_fork_asm+0x1a/0x30 [ 655.001556][ T10] [ 655.003536][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 655.003536][ T10] netdev_get_by_index+0x5e/0x80 [ 655.003536][ T10] fib6_nh_init+0x3d8/0x1580 [ 655.003536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 655.003536][ T10] ip6_route_add+0x1c/0x140 [ 655.003536][ T10] addrconf_prefix_route+0x2a6/0x430 [ 655.003536][ T10] inet6_addr_add+0x4f8/0xa40 [ 655.003536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 655.003536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.003536][ T10] netlink_rcv_skb+0x130/0x360 [ 655.003536][ T10] netlink_unicast+0x449/0x710 [ 655.003536][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.003536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.003536][ T10] ___sys_sendmsg+0xee/0x170 [ 655.003536][ T10] __sys_sendmsg+0xcd/0x170 [ 655.003536][ T10] do_syscall_64+0xc6/0x1e0 [ 655.003536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.003536][ T10] [ 655.005756][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 655.005756][ T10] netdev_get_by_index+0x5e/0x80 [ 655.005756][ T10] fib6_nh_init+0x3d8/0x1580 [ 655.005756][ T10] ip6_route_info_create+0xf18/0x17d0 [ 655.005756][ T10] addrconf_f6i_alloc+0x315/0x560 [ 655.005756][ T10] ipv6_add_addr+0x411/0x2000 [ 655.005756][ T10] inet6_addr_add+0x30e/0xa40 [ 655.005756][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 655.005756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.005756][ T10] netlink_rcv_skb+0x130/0x360 [ 655.005756][ T10] netlink_unicast+0x449/0x710 [ 655.005756][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.005756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.005756][ T10] ___sys_sendmsg+0xee/0x170 [ 655.005756][ T10] __sys_sendmsg+0xcd/0x170 [ 655.005756][ T10] do_syscall_64+0xc6/0x1e0 [ 655.005756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.005756][ T10] [ 655.008344][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 655.008344][ T10] netdev_get_by_index+0x5e/0x80 [ 655.008344][ T10] fib6_nh_init+0x3d8/0x1580 [ 655.008344][ T10] ip6_route_info_create+0xf18/0x17d0 [ 655.008344][ T10] ip6_route_add+0x1c/0x140 [ 655.008344][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 655.008344][ T10] addrconf_add_dev+0xe2/0x170 [ 655.008344][ T10] inet6_addr_add+0x12f/0xa40 [ 655.008344][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 655.008344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.008344][ T10] netlink_rcv_skb+0x130/0x360 [ 655.008344][ T10] netlink_unicast+0x449/0x710 [ 655.008344][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.008344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.008344][ T10] ___sys_sendmsg+0xee/0x170 [ 655.008344][ T10] __sys_sendmsg+0xcd/0x170 [ 655.008344][ T10] do_syscall_64+0xc6/0x1e0 [ 655.008344][ T10] [ 655.010856][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 655.010856][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 655.010856][ T10] ipv6_find_idev+0x102/0x170 [ 655.010856][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 655.010856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.010856][ T10] netlink_rcv_skb+0x130/0x360 [ 655.010856][ T10] netlink_unicast+0x449/0x710 [ 655.010856][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.010856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.010856][ T10] ___sys_sendmsg+0xee/0x170 [ 655.010856][ T10] __sys_sendmsg+0xcd/0x170 [ 655.010856][ T10] do_syscall_64+0xc6/0x1e0 [ 655.010856][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.010856][ T10] [ 655.012838][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 655.012838][ T10] neigh_parms_alloc+0x1e5/0x510 [ 655.012838][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 655.012838][ T10] ipv6_find_idev+0x102/0x170 [ 655.012838][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 655.012838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.012838][ T10] netlink_rcv_skb+0x130/0x360 [ 655.012838][ T10] netlink_unicast+0x449/0x710 [ 655.012838][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.012838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.012838][ T10] ___sys_sendmsg+0xee/0x170 [ 655.012838][ T10] __sys_sendmsg+0xcd/0x170 [ 655.012838][ T10] do_syscall_64+0xc6/0x1e0 [ 655.012838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.012838][ T10] [ 655.014832][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 655.015110][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 655.015110][ T10] netdev_get_by_index+0x5e/0x80 [ 655.015110][ T10] fib6_nh_init+0x3d8/0x1580 [ 655.015110][ T10] ip6_route_info_create+0xf18/0x17d0 [ 655.015110][ T10] addrconf_f6i_alloc+0x265/0x560 [ 655.015110][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 655.015110][ T10] addrconf_join_anycast+0x1c0/0x220 [ 655.015110][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 655.015110][ T10] addrconf_dad_completed+0x12b/0xe20 [ 655.015110][ T10] addrconf_dad_begin+0x310/0x670 [ 655.015110][ T10] addrconf_dad_work+0x10b/0xab0 [ 655.015110][ T10] process_one_work+0x84d/0x18a0 [ 655.015110][ T10] worker_thread+0x587/0xd30 [ 655.015110][ T10] kthread+0x28a/0x350 [ 655.015110][ T10] ret_from_fork+0x31/0x70 [ 655.015110][ T10] ret_from_fork_asm+0x1a/0x30 [ 655.015110][ T10] [ 655.017176][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 655.017176][ T10] netdev_get_by_index+0x5e/0x80 [ 655.017176][ T10] fib6_nh_init+0x3d8/0x1580 [ 655.017176][ T10] ip6_route_info_create+0xf18/0x17d0 [ 655.017176][ T10] ip6_route_add+0x1c/0x140 [ 655.017176][ T10] addrconf_prefix_route+0x2a6/0x430 [ 655.017176][ T10] inet6_addr_add+0x4f8/0xa40 [ 655.017176][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 655.017176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.017176][ T10] netlink_rcv_skb+0x130/0x360 [ 655.017176][ T10] netlink_unicast+0x449/0x710 [ 655.017176][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.017176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.017176][ T10] ___sys_sendmsg+0xee/0x170 [ 655.017176][ T10] __sys_sendmsg+0xcd/0x170 [ 655.017176][ T10] do_syscall_64+0xc6/0x1e0 [ 655.017176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.017176][ T10] [ 655.019356][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 655.019356][ T10] netdev_get_by_index+0x5e/0x80 [ 655.019356][ T10] fib6_nh_init+0x3d8/0x1580 [ 655.019356][ T10] ip6_route_info_create+0xf18/0x17d0 [ 655.019356][ T10] addrconf_f6i_alloc+0x315/0x560 [ 655.019356][ T10] ipv6_add_addr+0x411/0x2000 [ 655.019356][ T10] inet6_addr_add+0x30e/0xa40 [ 655.019356][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 655.019356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.019356][ T10] netlink_rcv_skb+0x130/0x360 [ 655.019356][ T10] netlink_unicast+0x449/0x710 [ 655.019356][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.019356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.019356][ T10] ___sys_sendmsg+0xee/0x170 [ 655.019356][ T10] __sys_sendmsg+0xcd/0x170 [ 655.019356][ T10] do_syscall_64+0xc6/0x1e0 [ 655.019356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.019356][ T10] [ 655.021510][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 655.021510][ T10] netdev_get_by_index+0x5e/0x80 [ 655.021510][ T10] fib6_nh_init+0x3d8/0x1580 [ 655.021510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 655.021510][ T10] ip6_route_add+0x1c/0x140 [ 655.021510][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 655.021510][ T10] addrconf_add_dev+0xe2/0x170 [ 655.021510][ T10] inet6_addr_add+0x12f/0xa40 [ 655.021510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 655.021510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.021510][ T10] netlink_rcv_skb+0x130/0x360 [ 655.021510][ T10] netlink_unicast+0x449/0x710 [ 655.021510][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.021510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.021510][ T10] ___sys_sendmsg+0xee/0x170 [ 655.021510][ T10] __sys_sendmsg+0xcd/0x170 [ 655.021510][ T10] do_syscall_64+0xc6/0x1e0 [ 655.021510][ T10] [ 655.023637][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 655.023637][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 655.023637][ T10] ipv6_find_idev+0x102/0x170 [ 655.023637][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 655.023637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.023637][ T10] netlink_rcv_skb+0x130/0x360 [ 655.023637][ T10] netlink_unicast+0x449/0x710 [ 655.023637][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.023637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.023637][ T10] ___sys_sendmsg+0xee/0x170 [ 655.023637][ T10] __sys_sendmsg+0xcd/0x170 [ 655.023637][ T10] do_syscall_64+0xc6/0x1e0 [ 655.023637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.023637][ T10] [ 655.025299][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 655.025299][ T10] neigh_parms_alloc+0x1e5/0x510 [ 655.025299][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 655.025299][ T10] ipv6_find_idev+0x102/0x170 [ 655.025299][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 655.025299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.025299][ T10] netlink_rcv_skb+0x130/0x360 [ 655.025299][ T10] netlink_unicast+0x449/0x710 [ 655.025299][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.025299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.025299][ T10] ___sys_sendmsg+0xee/0x170 [ 655.025299][ T10] __sys_sendmsg+0xcd/0x170 [ 655.025299][ T10] do_syscall_64+0xc6/0x1e0 [ 655.025299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.025299][ T10] [ 655.027118][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 655.027379][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 655.027379][ T10] netdev_get_by_index+0x5e/0x80 [ 655.027379][ T10] fib6_nh_init+0x3d8/0x1580 [ 655.027379][ T10] ip6_route_info_create+0xf18/0x17d0 [ 655.027379][ T10] addrconf_f6i_alloc+0x265/0x560 [ 655.027379][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 655.027379][ T10] addrconf_join_anycast+0x1c0/0x220 [ 655.027379][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 655.027379][ T10] addrconf_dad_completed+0x12b/0xe20 [ 655.027379][ T10] addrconf_dad_begin+0x310/0x670 [ 655.027379][ T10] addrconf_dad_work+0x10b/0xab0 [ 655.027379][ T10] process_one_work+0x84d/0x18a0 [ 655.027379][ T10] worker_thread+0x587/0xd30 [ 655.027379][ T10] kthread+0x28a/0x350 [ 655.027379][ T10] ret_from_fork+0x31/0x70 [ 655.027379][ T10] ret_from_fork_asm+0x1a/0x30 [ 655.027379][ T10] [ 655.029443][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 655.029443][ T10] netdev_get_by_index+0x5e/0x80 [ 655.029443][ T10] fib6_nh_init+0x3d8/0x1580 [ 655.029443][ T10] ip6_route_info_create+0xf18/0x17d0 [ 655.029443][ T10] ip6_route_add+0x1c/0x140 [ 655.029443][ T10] addrconf_prefix_route+0x2a6/0x430 [ 655.029443][ T10] inet6_addr_add+0x4f8/0xa40 [ 655.029443][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 655.029443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.029443][ T10] netlink_rcv_skb+0x130/0x360 [ 655.029443][ T10] netlink_unicast+0x449/0x710 [ 655.029443][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.029443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.029443][ T10] ___sys_sendmsg+0xee/0x170 [ 655.029443][ T10] __sys_sendmsg+0xcd/0x170 [ 655.029443][ T10] do_syscall_64+0xc6/0x1e0 [ 655.029443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.029443][ T10] [ 655.031791][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 655.031791][ T10] netdev_get_by_index+0x5e/0x80 [ 655.031791][ T10] fib6_nh_init+0x3d8/0x1580 [ 655.031791][ T10] ip6_route_info_create+0xf18/0x17d0 [ 655.031791][ T10] addrconf_f6i_alloc+0x315/0x560 [ 655.031791][ T10] ipv6_add_addr+0x411/0x2000 [ 655.031791][ T10] inet6_addr_add+0x30e/0xa40 [ 655.031791][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 655.031791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.031791][ T10] netlink_rcv_skb+0x130/0x360 [ 655.031791][ T10] netlink_unicast+0x449/0x710 [ 655.031791][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.031791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.031791][ T10] ___sys_sendmsg+0xee/0x170 [ 655.031791][ T10] __sys_sendmsg+0xcd/0x170 [ 655.031791][ T10] do_syscall_64+0xc6/0x1e0 [ 655.031791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.031791][ T10] [ 655.034272][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 655.034272][ T10] netdev_get_by_index+0x5e/0x80 [ 655.034272][ T10] fib6_nh_init+0x3d8/0x1580 [ 655.034272][ T10] ip6_route_info_create+0xf18/0x17d0 [ 655.034272][ T10] ip6_route_add+0x1c/0x140 [ 655.034272][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 655.034272][ T10] addrconf_add_dev+0xe2/0x170 [ 655.034272][ T10] inet6_addr_add+0x12f/0xa40 [ 655.034272][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 655.034272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.034272][ T10] netlink_rcv_skb+0x130/0x360 [ 655.034272][ T10] netlink_unicast+0x449/0x710 [ 655.034272][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.034272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.034272][ T10] ___sys_sendmsg+0xee/0x170 [ 655.034272][ T10] __sys_sendmsg+0xcd/0x170 [ 655.034272][ T10] do_syscall_64+0xc6/0x1e0 [ 655.034272][ T10] [ 655.036575][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 655.036575][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 655.036575][ T10] ipv6_find_idev+0x102/0x170 [ 655.036575][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 655.036575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.036575][ T10] netlink_rcv_skb+0x130/0x360 [ 655.036575][ T10] netlink_unicast+0x449/0x710 [ 655.036575][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.036575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.036575][ T10] ___sys_sendmsg+0xee/0x170 [ 655.036575][ T10] __sys_sendmsg+0xcd/0x170 [ 655.036575][ T10] do_syscall_64+0xc6/0x1e0 [ 655.036575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.036575][ T10] [ 655.038405][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 655.038405][ T10] neigh_parms_alloc+0x1e5/0x510 [ 655.038405][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 655.038405][ T10] ipv6_find_idev+0x102/0x170 [ 655.038405][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 655.038405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.038405][ T10] netlink_rcv_skb+0x130/0x360 [ 655.038405][ T10] netlink_unicast+0x449/0x710 [ 655.038405][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.038405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.038405][ T10] ___sys_sendmsg+0xee/0x170 [ 655.038405][ T10] __sys_sendmsg+0xcd/0x170 [ 655.038405][ T10] do_syscall_64+0xc6/0x1e0 [ 655.038405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.038405][ T10] [ 655.040434][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 655.040698][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 655.040698][ T10] netdev_get_by_index+0x5e/0x80 [ 655.040698][ T10] fib6_nh_init+0x3d8/0x1580 [ 655.040698][ T10] ip6_route_info_create+0xf18/0x17d0 [ 655.040698][ T10] addrconf_f6i_alloc+0x265/0x560 [ 655.040698][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 655.040698][ T10] addrconf_join_anycast+0x1c0/0x220 [ 655.040698][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 655.040698][ T10] addrconf_dad_completed+0x12b/0xe20 [ 655.040698][ T10] addrconf_dad_begin+0x310/0x670 [ 655.040698][ T10] addrconf_dad_work+0x10b/0xab0 [ 655.040698][ T10] process_one_work+0x84d/0x18a0 [ 655.040698][ T10] worker_thread+0x587/0xd30 [ 655.040698][ T10] kthread+0x28a/0x350 [ 655.040698][ T10] ret_from_fork+0x31/0x70 [ 655.040698][ T10] ret_from_fork_asm+0x1a/0x30 [ 655.040698][ T10] [ 655.043056][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 655.043056][ T10] netdev_get_by_index+0x5e/0x80 [ 655.043056][ T10] fib6_nh_init+0x3d8/0x1580 [ 655.043056][ T10] ip6_route_info_create+0xf18/0x17d0 [ 655.043056][ T10] ip6_route_add+0x1c/0x140 [ 655.043056][ T10] addrconf_prefix_route+0x2a6/0x430 [ 655.043056][ T10] inet6_addr_add+0x4f8/0xa40 [ 655.043056][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 655.043056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.043056][ T10] netlink_rcv_skb+0x130/0x360 [ 655.043056][ T10] netlink_unicast+0x449/0x710 [ 655.043056][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.043056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.043056][ T10] ___sys_sendmsg+0xee/0x170 [ 655.043056][ T10] __sys_sendmsg+0xcd/0x170 [ 655.043056][ T10] do_syscall_64+0xc6/0x1e0 [ 655.043056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.043056][ T10] [ 655.045869][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 655.045869][ T10] netdev_get_by_index+0x5e/0x80 [ 655.045869][ T10] fib6_nh_init+0x3d8/0x1580 [ 655.045869][ T10] ip6_route_info_create+0xf18/0x17d0 [ 655.045869][ T10] addrconf_f6i_alloc+0x315/0x560 [ 655.045869][ T10] ipv6_add_addr+0x411/0x2000 [ 655.045869][ T10] inet6_addr_add+0x30e/0xa40 [ 655.045869][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 655.045869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.045869][ T10] netlink_rcv_skb+0x130/0x360 [ 655.045869][ T10] netlink_unicast+0x449/0x710 [ 655.045869][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.045869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.045869][ T10] ___sys_sendmsg+0xee/0x170 [ 655.045869][ T10] __sys_sendmsg+0xcd/0x170 [ 655.045869][ T10] do_syscall_64+0xc6/0x1e0 [ 655.045869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.045869][ T10] [ 655.048690][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 655.048690][ T10] netdev_get_by_index+0x5e/0x80 [ 655.048690][ T10] fib6_nh_init+0x3d8/0x1580 [ 655.048690][ T10] ip6_route_info_create+0xf18/0x17d0 [ 655.048690][ T10] ip6_route_add+0x1c/0x140 [ 655.048690][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 655.048690][ T10] addrconf_add_dev+0xe2/0x170 [ 655.048690][ T10] inet6_addr_add+0x12f/0xa40 [ 655.048690][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 655.048690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.048690][ T10] netlink_rcv_skb+0x130/0x360 [ 655.048690][ T10] netlink_unicast+0x449/0x710 [ 655.048690][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.048690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.048690][ T10] ___sys_sendmsg+0xee/0x170 [ 655.048690][ T10] __sys_sendmsg+0xcd/0x170 [ 655.048690][ T10] do_syscall_64+0xc6/0x1e0 [ 655.048690][ T10] [ 655.051453][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 655.051453][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 655.051453][ T10] ipv6_find_idev+0x102/0x170 [ 655.051453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 655.051453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.051453][ T10] netlink_rcv_skb+0x130/0x360 [ 655.051453][ T10] netlink_unicast+0x449/0x710 [ 655.051453][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.051453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.051453][ T10] ___sys_sendmsg+0xee/0x170 [ 655.051453][ T10] __sys_sendmsg+0xcd/0x170 [ 655.051453][ T10] do_syscall_64+0xc6/0x1e0 [ 655.051453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.051453][ T10] [ 655.053606][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 655.053606][ T10] neigh_parms_alloc+0x1e5/0x510 [ 655.053606][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 655.053606][ T10] ipv6_find_idev+0x102/0x170 [ 655.053606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 655.053606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.053606][ T10] netlink_rcv_skb+0x130/0x360 [ 655.053606][ T10] netlink_unicast+0x449/0x710 [ 655.053606][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.053606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.053606][ T10] ___sys_sendmsg+0xee/0x170 [ 655.053606][ T10] __sys_sendmsg+0xcd/0x170 [ 655.053606][ T10] do_syscall_64+0xc6/0x1e0 [ 655.053606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.053606][ T10] [ 656.025153][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 656.025814][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 656.025814][ T1167] dst_init+0x84/0x4a0 [ 656.025814][ T1167] dst_alloc+0x97/0x150 [ 656.025814][ T1167] ip6_dst_alloc+0x23/0x90 [ 656.025814][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 656.025814][ T1167] ip6_pol_route+0x56f/0x840 [ 656.025814][ T1167] fib6_rule_lookup+0x334/0x630 [ 656.025814][ T1167] ip6_route_output_flags+0x259/0x480 [ 656.025814][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 656.025814][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 656.025814][ T1167] netlink_rcv_skb+0x130/0x360 [ 656.025814][ T1167] netlink_unicast+0x449/0x710 [ 656.025814][ T1167] netlink_sendmsg+0x723/0xbe0 [ 656.025814][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 656.025814][ T1167] ___sys_sendmsg+0xee/0x170 [ 656.025814][ T1167] __sys_sendmsg+0xcd/0x170 [ 656.025814][ T1167] do_syscall_64+0xc6/0x1e0 [ 656.025814][ T1167] [ 656.029185][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 656.029185][ T1167] netdev_get_by_index+0x5e/0x80 [ 656.029185][ T1167] fib6_nh_init+0x3d8/0x1580 [ 656.029185][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 656.029185][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 656.029185][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 656.029185][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 656.029185][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 656.029185][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 656.029185][ T1167] addrconf_dad_begin+0x310/0x670 [ 656.029185][ T1167] addrconf_dad_work+0x10b/0xab0 [ 656.029185][ T1167] process_one_work+0x84d/0x18a0 [ 656.029185][ T1167] worker_thread+0x587/0xd30 [ 656.029185][ T1167] kthread+0x28a/0x350 [ 656.029185][ T1167] ret_from_fork+0x31/0x70 [ 656.029185][ T1167] ret_from_fork_asm+0x1a/0x30 [ 656.029185][ T1167] [ 656.032699][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 656.032699][ T1167] netdev_get_by_index+0x5e/0x80 [ 656.032699][ T1167] fib6_nh_init+0x3d8/0x1580 [ 656.032699][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 656.032699][ T1167] ip6_route_add+0x1c/0x140 [ 656.032699][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 656.032699][ T1167] inet6_addr_add+0x4f8/0xa40 [ 656.032699][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 656.032699][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 656.032699][ T1167] netlink_rcv_skb+0x130/0x360 [ 656.032699][ T1167] netlink_unicast+0x449/0x710 [ 656.032699][ T1167] netlink_sendmsg+0x723/0xbe0 [ 656.032699][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 656.032699][ T1167] ___sys_sendmsg+0xee/0x170 [ 656.032699][ T1167] __sys_sendmsg+0xcd/0x170 [ 656.032699][ T1167] do_syscall_64+0xc6/0x1e0 [ 656.032699][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 656.032699][ T1167] [ 656.036342][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 656.036342][ T1167] netdev_get_by_index+0x5e/0x80 [ 656.036342][ T1167] fib6_nh_init+0x3d8/0x1580 [ 656.036342][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 656.036342][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 656.036342][ T1167] ipv6_add_addr+0x411/0x2000 [ 656.036342][ T1167] inet6_addr_add+0x30e/0xa40 [ 656.036342][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 656.036342][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 656.036342][ T1167] netlink_rcv_skb+0x130/0x360 [ 656.036342][ T1167] netlink_unicast+0x449/0x710 [ 656.036342][ T1167] netlink_sendmsg+0x723/0xbe0 [ 656.036342][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 656.036342][ T1167] ___sys_sendmsg+0xee/0x170 [ 656.036342][ T1167] __sys_sendmsg+0xcd/0x170 [ 656.036342][ T1167] do_syscall_64+0xc6/0x1e0 [ 656.036342][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 656.036342][ T1167] [ 656.039904][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 656.039904][ T1167] netdev_get_by_index+0x5e/0x80 [ 656.039904][ T1167] fib6_nh_init+0x3d8/0x1580 [ 656.039904][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 656.039904][ T1167] ip6_route_add+0x1c/0x140 [ 656.039904][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 656.039904][ T1167] addrconf_add_dev+0xe2/0x170 [ 656.039904][ T1167] inet6_addr_add+0x12f/0xa40 [ 656.039904][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 656.039904][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 656.039904][ T1167] netlink_rcv_skb+0x130/0x360 [ 656.039904][ T1167] netlink_unicast+0x449/0x710 [ 656.039904][ T1167] netlink_sendmsg+0x723/0xbe0 [ 656.039904][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 656.039904][ T1167] ___sys_sendmsg+0xee/0x170 [ 656.039904][ T1167] __sys_sendmsg+0xcd/0x170 [ 656.039904][ T1167] do_syscall_64+0xc6/0x1e0 [ 656.039904][ T1167] [ 656.043474][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 656.043474][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 656.043474][ T1167] ipv6_find_idev+0x102/0x170 [ 656.043474][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 656.043474][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 656.043474][ T1167] netlink_rcv_skb+0x130/0x360 [ 656.043474][ T1167] netlink_unicast+0x449/0x710 [ 656.043474][ T1167] netlink_sendmsg+0x723/0xbe0 [ 656.043474][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 656.043474][ T1167] ___sys_sendmsg+0xee/0x170 [ 656.043474][ T1167] __sys_sendmsg+0xcd/0x170 [ 656.043474][ T1167] do_syscall_64+0xc6/0x1e0 [ 656.043474][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 656.043474][ T1167] [ 656.046240][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 656.046240][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 656.046240][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 656.046240][ T1167] ipv6_find_idev+0x102/0x170 [ 656.046240][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 656.046240][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 656.046240][ T1167] netlink_rcv_skb+0x130/0x360 [ 656.046240][ T1167] netlink_unicast+0x449/0x710 [ 656.046240][ T1167] netlink_sendmsg+0x723/0xbe0 [ 656.046240][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 656.046240][ T1167] ___sys_sendmsg+0xee/0x170 [ 656.046240][ T1167] __sys_sendmsg+0xcd/0x170 [ 656.046240][ T1167] do_syscall_64+0xc6/0x1e0 [ 656.046240][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 656.046240][ T1167] [ 665.297070][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 665.297527][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 665.297527][ T10] netdev_get_by_index+0x5e/0x80 [ 665.297527][ T10] fib6_nh_init+0x3d8/0x1580 [ 665.297527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 665.297527][ T10] addrconf_f6i_alloc+0x265/0x560 [ 665.297527][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 665.297527][ T10] addrconf_join_anycast+0x1c0/0x220 [ 665.297527][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 665.297527][ T10] addrconf_dad_completed+0x12b/0xe20 [ 665.297527][ T10] addrconf_dad_begin+0x310/0x670 [ 665.297527][ T10] addrconf_dad_work+0x10b/0xab0 [ 665.297527][ T10] process_one_work+0x84d/0x18a0 [ 665.297527][ T10] worker_thread+0x587/0xd30 [ 665.297527][ T10] kthread+0x28a/0x350 [ 665.297527][ T10] ret_from_fork+0x31/0x70 [ 665.297527][ T10] ret_from_fork_asm+0x1a/0x30 [ 665.297527][ T10] [ 665.299870][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 665.299870][ T10] netdev_get_by_index+0x5e/0x80 [ 665.299870][ T10] fib6_nh_init+0x3d8/0x1580 [ 665.299870][ T10] ip6_route_info_create+0xf18/0x17d0 [ 665.299870][ T10] ip6_route_add+0x1c/0x140 [ 665.299870][ T10] addrconf_prefix_route+0x2a6/0x430 [ 665.299870][ T10] inet6_addr_add+0x4f8/0xa40 [ 665.299870][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 665.299870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.299870][ T10] netlink_rcv_skb+0x130/0x360 [ 665.299870][ T10] netlink_unicast+0x449/0x710 [ 665.299870][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.299870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.299870][ T10] ___sys_sendmsg+0xee/0x170 [ 665.299870][ T10] __sys_sendmsg+0xcd/0x170 [ 665.299870][ T10] do_syscall_64+0xc6/0x1e0 [ 665.299870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.299870][ T10] [ 665.302296][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 665.302296][ T10] netdev_get_by_index+0x5e/0x80 [ 665.302296][ T10] fib6_nh_init+0x3d8/0x1580 [ 665.302296][ T10] ip6_route_info_create+0xf18/0x17d0 [ 665.302296][ T10] addrconf_f6i_alloc+0x315/0x560 [ 665.302296][ T10] ipv6_add_addr+0x411/0x2000 [ 665.302296][ T10] inet6_addr_add+0x30e/0xa40 [ 665.302296][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 665.302296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.302296][ T10] netlink_rcv_skb+0x130/0x360 [ 665.302296][ T10] netlink_unicast+0x449/0x710 [ 665.302296][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.302296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.302296][ T10] ___sys_sendmsg+0xee/0x170 [ 665.302296][ T10] __sys_sendmsg+0xcd/0x170 [ 665.302296][ T10] do_syscall_64+0xc6/0x1e0 [ 665.302296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.302296][ T10] [ 665.304709][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 665.304709][ T10] netdev_get_by_index+0x5e/0x80 [ 665.304709][ T10] fib6_nh_init+0x3d8/0x1580 [ 665.304709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 665.304709][ T10] ip6_route_add+0x1c/0x140 [ 665.304709][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 665.304709][ T10] addrconf_add_dev+0xe2/0x170 [ 665.304709][ T10] inet6_addr_add+0x12f/0xa40 [ 665.304709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 665.304709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.304709][ T10] netlink_rcv_skb+0x130/0x360 [ 665.304709][ T10] netlink_unicast+0x449/0x710 [ 665.304709][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.304709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.304709][ T10] ___sys_sendmsg+0xee/0x170 [ 665.304709][ T10] __sys_sendmsg+0xcd/0x170 [ 665.304709][ T10] do_syscall_64+0xc6/0x1e0 [ 665.304709][ T10] [ 665.307112][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 665.307112][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 665.307112][ T10] ipv6_find_idev+0x102/0x170 [ 665.307112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 665.307112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.307112][ T10] netlink_rcv_skb+0x130/0x360 [ 665.307112][ T10] netlink_unicast+0x449/0x710 [ 665.307112][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.307112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.307112][ T10] ___sys_sendmsg+0xee/0x170 [ 665.307112][ T10] __sys_sendmsg+0xcd/0x170 [ 665.307112][ T10] do_syscall_64+0xc6/0x1e0 [ 665.307112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.307112][ T10] [ 665.308974][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 665.308974][ T10] neigh_parms_alloc+0x1e5/0x510 [ 665.308974][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 665.308974][ T10] ipv6_find_idev+0x102/0x170 [ 665.308974][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 665.308974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.308974][ T10] netlink_rcv_skb+0x130/0x360 [ 665.308974][ T10] netlink_unicast+0x449/0x710 [ 665.308974][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.308974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.308974][ T10] ___sys_sendmsg+0xee/0x170 [ 665.308974][ T10] __sys_sendmsg+0xcd/0x170 [ 665.308974][ T10] do_syscall_64+0xc6/0x1e0 [ 665.308974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.308974][ T10] [ 665.311023][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 665.311324][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 665.311324][ T10] netdev_get_by_index+0x5e/0x80 [ 665.311324][ T10] fib6_nh_init+0x3d8/0x1580 [ 665.311324][ T10] ip6_route_info_create+0xf18/0x17d0 [ 665.311324][ T10] addrconf_f6i_alloc+0x265/0x560 [ 665.311324][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 665.311324][ T10] addrconf_join_anycast+0x1c0/0x220 [ 665.311324][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 665.311324][ T10] addrconf_dad_completed+0x12b/0xe20 [ 665.311324][ T10] addrconf_dad_begin+0x310/0x670 [ 665.311324][ T10] addrconf_dad_work+0x10b/0xab0 [ 665.311324][ T10] process_one_work+0x84d/0x18a0 [ 665.311324][ T10] worker_thread+0x587/0xd30 [ 665.311324][ T10] kthread+0x28a/0x350 [ 665.311324][ T10] ret_from_fork+0x31/0x70 [ 665.311324][ T10] ret_from_fork_asm+0x1a/0x30 [ 665.311324][ T10] [ 665.313642][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 665.313642][ T10] netdev_get_by_index+0x5e/0x80 [ 665.313642][ T10] fib6_nh_init+0x3d8/0x1580 [ 665.313642][ T10] ip6_route_info_create+0xf18/0x17d0 [ 665.313642][ T10] ip6_route_add+0x1c/0x140 [ 665.313642][ T10] addrconf_prefix_route+0x2a6/0x430 [ 665.313642][ T10] inet6_addr_add+0x4f8/0xa40 [ 665.313642][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 665.313642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.313642][ T10] netlink_rcv_skb+0x130/0x360 [ 665.313642][ T10] netlink_unicast+0x449/0x710 [ 665.313642][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.313642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.313642][ T10] ___sys_sendmsg+0xee/0x170 [ 665.313642][ T10] __sys_sendmsg+0xcd/0x170 [ 665.313642][ T10] do_syscall_64+0xc6/0x1e0 [ 665.313642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.313642][ T10] [ 665.316067][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 665.316067][ T10] netdev_get_by_index+0x5e/0x80 [ 665.316067][ T10] fib6_nh_init+0x3d8/0x1580 [ 665.316067][ T10] ip6_route_info_create+0xf18/0x17d0 [ 665.316067][ T10] addrconf_f6i_alloc+0x315/0x560 [ 665.316067][ T10] ipv6_add_addr+0x411/0x2000 [ 665.316067][ T10] inet6_addr_add+0x30e/0xa40 [ 665.316067][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 665.316067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.316067][ T10] netlink_rcv_skb+0x130/0x360 [ 665.316067][ T10] netlink_unicast+0x449/0x710 [ 665.316067][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.316067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.316067][ T10] ___sys_sendmsg+0xee/0x170 [ 665.316067][ T10] __sys_sendmsg+0xcd/0x170 [ 665.316067][ T10] do_syscall_64+0xc6/0x1e0 [ 665.316067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.316067][ T10] [ 665.318492][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 665.318492][ T10] netdev_get_by_index+0x5e/0x80 [ 665.318492][ T10] fib6_nh_init+0x3d8/0x1580 [ 665.318492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 665.318492][ T10] ip6_route_add+0x1c/0x140 [ 665.318492][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 665.318492][ T10] addrconf_add_dev+0xe2/0x170 [ 665.318492][ T10] inet6_addr_add+0x12f/0xa40 [ 665.318492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 665.318492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.318492][ T10] netlink_rcv_skb+0x130/0x360 [ 665.318492][ T10] netlink_unicast+0x449/0x710 [ 665.318492][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.318492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.318492][ T10] ___sys_sendmsg+0xee/0x170 [ 665.318492][ T10] __sys_sendmsg+0xcd/0x170 [ 665.318492][ T10] do_syscall_64+0xc6/0x1e0 [ 665.318492][ T10] [ 665.320869][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 665.320869][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 665.320869][ T10] ipv6_find_idev+0x102/0x170 [ 665.320869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 665.320869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.320869][ T10] netlink_rcv_skb+0x130/0x360 [ 665.320869][ T10] netlink_unicast+0x449/0x710 [ 665.320869][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.320869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.320869][ T10] ___sys_sendmsg+0xee/0x170 [ 665.320869][ T10] __sys_sendmsg+0xcd/0x170 [ 665.320869][ T10] do_syscall_64+0xc6/0x1e0 [ 665.320869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.320869][ T10] [ 665.322733][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 665.322733][ T10] neigh_parms_alloc+0x1e5/0x510 [ 665.322733][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 665.322733][ T10] ipv6_find_idev+0x102/0x170 [ 665.322733][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 665.322733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.322733][ T10] netlink_rcv_skb+0x130/0x360 [ 665.322733][ T10] netlink_unicast+0x449/0x710 [ 665.322733][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.322733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.322733][ T10] ___sys_sendmsg+0xee/0x170 [ 665.322733][ T10] __sys_sendmsg+0xcd/0x170 [ 665.322733][ T10] do_syscall_64+0xc6/0x1e0 [ 665.322733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.322733][ T10] [ 665.324787][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 665.325087][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 665.325087][ T10] netdev_get_by_index+0x5e/0x80 [ 665.325087][ T10] fib6_nh_init+0x3d8/0x1580 [ 665.325087][ T10] ip6_route_info_create+0xf18/0x17d0 [ 665.325087][ T10] addrconf_f6i_alloc+0x265/0x560 [ 665.325087][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 665.325087][ T10] addrconf_join_anycast+0x1c0/0x220 [ 665.325087][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 665.325087][ T10] addrconf_dad_completed+0x12b/0xe20 [ 665.325087][ T10] addrconf_dad_begin+0x310/0x670 [ 665.325087][ T10] addrconf_dad_work+0x10b/0xab0 [ 665.325087][ T10] process_one_work+0x84d/0x18a0 [ 665.325087][ T10] worker_thread+0x587/0xd30 [ 665.325087][ T10] kthread+0x28a/0x350 [ 665.325087][ T10] ret_from_fork+0x31/0x70 [ 665.325087][ T10] ret_from_fork_asm+0x1a/0x30 [ 665.325087][ T10] [ 665.327421][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 665.327421][ T10] netdev_get_by_index+0x5e/0x80 [ 665.327421][ T10] fib6_nh_init+0x3d8/0x1580 [ 665.327421][ T10] ip6_route_info_create+0xf18/0x17d0 [ 665.327421][ T10] ip6_route_add+0x1c/0x140 [ 665.327421][ T10] addrconf_prefix_route+0x2a6/0x430 [ 665.327421][ T10] inet6_addr_add+0x4f8/0xa40 [ 665.327421][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 665.327421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.327421][ T10] netlink_rcv_skb+0x130/0x360 [ 665.327421][ T10] netlink_unicast+0x449/0x710 [ 665.327421][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.327421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.327421][ T10] ___sys_sendmsg+0xee/0x170 [ 665.327421][ T10] __sys_sendmsg+0xcd/0x170 [ 665.327421][ T10] do_syscall_64+0xc6/0x1e0 [ 665.327421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.327421][ T10] [ 665.330014][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 665.330014][ T10] netdev_get_by_index+0x5e/0x80 [ 665.330014][ T10] fib6_nh_init+0x3d8/0x1580 [ 665.330014][ T10] ip6_route_info_create+0xf18/0x17d0 [ 665.330014][ T10] addrconf_f6i_alloc+0x315/0x560 [ 665.330014][ T10] ipv6_add_addr+0x411/0x2000 [ 665.330014][ T10] inet6_addr_add+0x30e/0xa40 [ 665.330014][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 665.330014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.330014][ T10] netlink_rcv_skb+0x130/0x360 [ 665.330014][ T10] netlink_unicast+0x449/0x710 [ 665.330014][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.330014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.330014][ T10] ___sys_sendmsg+0xee/0x170 [ 665.330014][ T10] __sys_sendmsg+0xcd/0x170 [ 665.330014][ T10] do_syscall_64+0xc6/0x1e0 [ 665.330014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.330014][ T10] [ 665.332716][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 665.332716][ T10] netdev_get_by_index+0x5e/0x80 [ 665.332716][ T10] fib6_nh_init+0x3d8/0x1580 [ 665.332716][ T10] ip6_route_info_create+0xf18/0x17d0 [ 665.332716][ T10] ip6_route_add+0x1c/0x140 [ 665.332716][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 665.332716][ T10] addrconf_add_dev+0xe2/0x170 [ 665.332716][ T10] inet6_addr_add+0x12f/0xa40 [ 665.332716][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 665.332716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.332716][ T10] netlink_rcv_skb+0x130/0x360 [ 665.332716][ T10] netlink_unicast+0x449/0x710 [ 665.332716][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.332716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.332716][ T10] ___sys_sendmsg+0xee/0x170 [ 665.332716][ T10] __sys_sendmsg+0xcd/0x170 [ 665.332716][ T10] do_syscall_64+0xc6/0x1e0 [ 665.332716][ T10] [ 665.335284][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 665.335284][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 665.335284][ T10] ipv6_find_idev+0x102/0x170 [ 665.335284][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 665.335284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.335284][ T10] netlink_rcv_skb+0x130/0x360 [ 665.335284][ T10] netlink_unicast+0x449/0x710 [ 665.335284][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.335284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.335284][ T10] ___sys_sendmsg+0xee/0x170 [ 665.335284][ T10] __sys_sendmsg+0xcd/0x170 [ 665.335284][ T10] do_syscall_64+0xc6/0x1e0 [ 665.335284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.335284][ T10] [ 665.337323][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 665.337323][ T10] neigh_parms_alloc+0x1e5/0x510 [ 665.337323][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 665.337323][ T10] ipv6_find_idev+0x102/0x170 [ 665.337323][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 665.337323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.337323][ T10] netlink_rcv_skb+0x130/0x360 [ 665.337323][ T10] netlink_unicast+0x449/0x710 [ 665.337323][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.337323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.337323][ T10] ___sys_sendmsg+0xee/0x170 [ 665.337323][ T10] __sys_sendmsg+0xcd/0x170 [ 665.337323][ T10] do_syscall_64+0xc6/0x1e0 [ 665.337323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.337323][ T10] [ 665.339585][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 665.339871][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 665.339871][ T10] netdev_get_by_index+0x5e/0x80 [ 665.339871][ T10] fib6_nh_init+0x3d8/0x1580 [ 665.339871][ T10] ip6_route_info_create+0xf18/0x17d0 [ 665.339871][ T10] addrconf_f6i_alloc+0x265/0x560 [ 665.339871][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 665.339871][ T10] addrconf_join_anycast+0x1c0/0x220 [ 665.339871][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 665.339871][ T10] addrconf_dad_completed+0x12b/0xe20 [ 665.339871][ T10] addrconf_dad_begin+0x310/0x670 [ 665.339871][ T10] addrconf_dad_work+0x10b/0xab0 [ 665.339871][ T10] process_one_work+0x84d/0x18a0 [ 665.339871][ T10] worker_thread+0x587/0xd30 [ 665.339871][ T10] kthread+0x28a/0x350 [ 665.339871][ T10] ret_from_fork+0x31/0x70 [ 665.339871][ T10] ret_from_fork_asm+0x1a/0x30 [ 665.339871][ T10] [ 665.342475][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 665.342475][ T10] netdev_get_by_index+0x5e/0x80 [ 665.342475][ T10] fib6_nh_init+0x3d8/0x1580 [ 665.342475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 665.342475][ T10] ip6_route_add+0x1c/0x140 [ 665.342475][ T10] addrconf_prefix_route+0x2a6/0x430 [ 665.342475][ T10] inet6_addr_add+0x4f8/0xa40 [ 665.342475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 665.342475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.342475][ T10] netlink_rcv_skb+0x130/0x360 [ 665.342475][ T10] netlink_unicast+0x449/0x710 [ 665.342475][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.342475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.342475][ T10] ___sys_sendmsg+0xee/0x170 [ 665.342475][ T10] __sys_sendmsg+0xcd/0x170 [ 665.342475][ T10] do_syscall_64+0xc6/0x1e0 [ 665.342475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.342475][ T10] [ 665.345207][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 665.345207][ T10] netdev_get_by_index+0x5e/0x80 [ 665.345207][ T10] fib6_nh_init+0x3d8/0x1580 [ 665.345207][ T10] ip6_route_info_create+0xf18/0x17d0 [ 665.345207][ T10] addrconf_f6i_alloc+0x315/0x560 [ 665.345207][ T10] ipv6_add_addr+0x411/0x2000 [ 665.345207][ T10] inet6_addr_add+0x30e/0xa40 [ 665.345207][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 665.345207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.345207][ T10] netlink_rcv_skb+0x130/0x360 [ 665.345207][ T10] netlink_unicast+0x449/0x710 [ 665.345207][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.345207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.345207][ T10] ___sys_sendmsg+0xee/0x170 [ 665.345207][ T10] __sys_sendmsg+0xcd/0x170 [ 665.345207][ T10] do_syscall_64+0xc6/0x1e0 [ 665.345207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.345207][ T10] [ 665.348056][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 665.348056][ T10] netdev_get_by_index+0x5e/0x80 [ 665.348056][ T10] fib6_nh_init+0x3d8/0x1580 [ 665.348056][ T10] ip6_route_info_create+0xf18/0x17d0 [ 665.348056][ T10] ip6_route_add+0x1c/0x140 [ 665.348056][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 665.348056][ T10] addrconf_add_dev+0xe2/0x170 [ 665.348056][ T10] inet6_addr_add+0x12f/0xa40 [ 665.348056][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 665.348056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.348056][ T10] netlink_rcv_skb+0x130/0x360 [ 665.348056][ T10] netlink_unicast+0x449/0x710 [ 665.348056][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.348056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.348056][ T10] ___sys_sendmsg+0xee/0x170 [ 665.348056][ T10] __sys_sendmsg+0xcd/0x170 [ 665.348056][ T10] do_syscall_64+0xc6/0x1e0 [ 665.348056][ T10] [ 665.350811][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 665.350811][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 665.350811][ T10] ipv6_find_idev+0x102/0x170 [ 665.350811][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 665.350811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.350811][ T10] netlink_rcv_skb+0x130/0x360 [ 665.350811][ T10] netlink_unicast+0x449/0x710 [ 665.350811][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.350811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.350811][ T10] ___sys_sendmsg+0xee/0x170 [ 665.350811][ T10] __sys_sendmsg+0xcd/0x170 [ 665.350811][ T10] do_syscall_64+0xc6/0x1e0 [ 665.350811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.350811][ T10] [ 665.352988][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 665.352988][ T10] neigh_parms_alloc+0x1e5/0x510 [ 665.352988][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 665.352988][ T10] ipv6_find_idev+0x102/0x170 [ 665.352988][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 665.352988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.352988][ T10] netlink_rcv_skb+0x130/0x360 [ 665.352988][ T10] netlink_unicast+0x449/0x710 [ 665.352988][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.352988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.352988][ T10] ___sys_sendmsg+0xee/0x170 [ 665.352988][ T10] __sys_sendmsg+0xcd/0x170 [ 665.352988][ T10] do_syscall_64+0xc6/0x1e0 [ 665.352988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.352988][ T10] [ 666.289121][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 666.289770][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 666.289770][ T1167] dst_init+0x84/0x4a0 [ 666.289770][ T1167] dst_alloc+0x97/0x150 [ 666.289770][ T1167] ip6_dst_alloc+0x23/0x90 [ 666.289770][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 666.289770][ T1167] ip6_pol_route+0x56f/0x840 [ 666.289770][ T1167] fib6_rule_lookup+0x334/0x630 [ 666.289770][ T1167] ip6_route_output_flags+0x259/0x480 [ 666.289770][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 666.289770][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 666.289770][ T1167] netlink_rcv_skb+0x130/0x360 [ 666.289770][ T1167] netlink_unicast+0x449/0x710 [ 666.289770][ T1167] netlink_sendmsg+0x723/0xbe0 [ 666.289770][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 666.289770][ T1167] ___sys_sendmsg+0xee/0x170 [ 666.289770][ T1167] __sys_sendmsg+0xcd/0x170 [ 666.289770][ T1167] do_syscall_64+0xc6/0x1e0 [ 666.289770][ T1167] [ 666.293014][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 666.293014][ T1167] netdev_get_by_index+0x5e/0x80 [ 666.293014][ T1167] fib6_nh_init+0x3d8/0x1580 [ 666.293014][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 666.293014][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 666.293014][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 666.293014][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 666.293014][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 666.293014][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 666.293014][ T1167] addrconf_dad_begin+0x310/0x670 [ 666.293014][ T1167] addrconf_dad_work+0x10b/0xab0 [ 666.293014][ T1167] process_one_work+0x84d/0x18a0 [ 666.293014][ T1167] worker_thread+0x587/0xd30 [ 666.293014][ T1167] kthread+0x28a/0x350 [ 666.293014][ T1167] ret_from_fork+0x31/0x70 [ 666.293014][ T1167] ret_from_fork_asm+0x1a/0x30 [ 666.293014][ T1167] [ 666.296309][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 666.296309][ T1167] netdev_get_by_index+0x5e/0x80 [ 666.296309][ T1167] fib6_nh_init+0x3d8/0x1580 [ 666.296309][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 666.296309][ T1167] ip6_route_add+0x1c/0x140 [ 666.296309][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 666.296309][ T1167] inet6_addr_add+0x4f8/0xa40 [ 666.296309][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 666.296309][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 666.296309][ T1167] netlink_rcv_skb+0x130/0x360 [ 666.296309][ T1167] netlink_unicast+0x449/0x710 [ 666.296309][ T1167] netlink_sendmsg+0x723/0xbe0 [ 666.296309][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 666.296309][ T1167] ___sys_sendmsg+0xee/0x170 [ 666.296309][ T1167] __sys_sendmsg+0xcd/0x170 [ 666.296309][ T1167] do_syscall_64+0xc6/0x1e0 [ 666.296309][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 666.296309][ T1167] [ 666.299605][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 666.299605][ T1167] netdev_get_by_index+0x5e/0x80 [ 666.299605][ T1167] fib6_nh_init+0x3d8/0x1580 [ 666.299605][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 666.299605][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 666.299605][ T1167] ipv6_add_addr+0x411/0x2000 [ 666.299605][ T1167] inet6_addr_add+0x30e/0xa40 [ 666.299605][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 666.299605][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 666.299605][ T1167] netlink_rcv_skb+0x130/0x360 [ 666.299605][ T1167] netlink_unicast+0x449/0x710 [ 666.299605][ T1167] netlink_sendmsg+0x723/0xbe0 [ 666.299605][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 666.299605][ T1167] ___sys_sendmsg+0xee/0x170 [ 666.299605][ T1167] __sys_sendmsg+0xcd/0x170 [ 666.299605][ T1167] do_syscall_64+0xc6/0x1e0 [ 666.299605][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 666.299605][ T1167] [ 666.303027][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 666.303027][ T1167] netdev_get_by_index+0x5e/0x80 [ 666.303027][ T1167] fib6_nh_init+0x3d8/0x1580 [ 666.303027][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 666.303027][ T1167] ip6_route_add+0x1c/0x140 [ 666.303027][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 666.303027][ T1167] addrconf_add_dev+0xe2/0x170 [ 666.303027][ T1167] inet6_addr_add+0x12f/0xa40 [ 666.303027][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 666.303027][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 666.303027][ T1167] netlink_rcv_skb+0x130/0x360 [ 666.303027][ T1167] netlink_unicast+0x449/0x710 [ 666.303027][ T1167] netlink_sendmsg+0x723/0xbe0 [ 666.303027][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 666.303027][ T1167] ___sys_sendmsg+0xee/0x170 [ 666.303027][ T1167] __sys_sendmsg+0xcd/0x170 [ 666.303027][ T1167] do_syscall_64+0xc6/0x1e0 [ 666.303027][ T1167] [ 666.306456][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 666.306456][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 666.306456][ T1167] ipv6_find_idev+0x102/0x170 [ 666.306456][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 666.306456][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 666.306456][ T1167] netlink_rcv_skb+0x130/0x360 [ 666.306456][ T1167] netlink_unicast+0x449/0x710 [ 666.306456][ T1167] netlink_sendmsg+0x723/0xbe0 [ 666.306456][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 666.306456][ T1167] ___sys_sendmsg+0xee/0x170 [ 666.306456][ T1167] __sys_sendmsg+0xcd/0x170 [ 666.306456][ T1167] do_syscall_64+0xc6/0x1e0 [ 666.306456][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 666.306456][ T1167] [ 666.309218][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 666.309218][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 666.309218][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 666.309218][ T1167] ipv6_find_idev+0x102/0x170 [ 666.309218][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 666.309218][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 666.309218][ T1167] netlink_rcv_skb+0x130/0x360 [ 666.309218][ T1167] netlink_unicast+0x449/0x710 [ 666.309218][ T1167] netlink_sendmsg+0x723/0xbe0 [ 666.309218][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 666.309218][ T1167] ___sys_sendmsg+0xee/0x170 [ 666.309218][ T1167] __sys_sendmsg+0xcd/0x170 [ 666.309218][ T1167] do_syscall_64+0xc6/0x1e0 [ 666.309218][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 666.309218][ T1167] [ 675.593101][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 675.593536][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 675.593536][ T10] netdev_get_by_index+0x5e/0x80 [ 675.593536][ T10] fib6_nh_init+0x3d8/0x1580 [ 675.593536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 675.593536][ T10] addrconf_f6i_alloc+0x265/0x560 [ 675.593536][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 675.593536][ T10] addrconf_join_anycast+0x1c0/0x220 [ 675.593536][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 675.593536][ T10] addrconf_dad_completed+0x12b/0xe20 [ 675.593536][ T10] addrconf_dad_begin+0x310/0x670 [ 675.593536][ T10] addrconf_dad_work+0x10b/0xab0 [ 675.593536][ T10] process_one_work+0x84d/0x18a0 [ 675.593536][ T10] worker_thread+0x587/0xd30 [ 675.593536][ T10] kthread+0x28a/0x350 [ 675.593536][ T10] ret_from_fork+0x31/0x70 [ 675.593536][ T10] ret_from_fork_asm+0x1a/0x30 [ 675.593536][ T10] [ 675.596031][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 675.596031][ T10] netdev_get_by_index+0x5e/0x80 [ 675.596031][ T10] fib6_nh_init+0x3d8/0x1580 [ 675.596031][ T10] ip6_route_info_create+0xf18/0x17d0 [ 675.596031][ T10] ip6_route_add+0x1c/0x140 [ 675.596031][ T10] addrconf_prefix_route+0x2a6/0x430 [ 675.596031][ T10] inet6_addr_add+0x4f8/0xa40 [ 675.596031][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 675.596031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.596031][ T10] netlink_rcv_skb+0x130/0x360 [ 675.596031][ T10] netlink_unicast+0x449/0x710 [ 675.596031][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.596031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.596031][ T10] ___sys_sendmsg+0xee/0x170 [ 675.596031][ T10] __sys_sendmsg+0xcd/0x170 [ 675.596031][ T10] do_syscall_64+0xc6/0x1e0 [ 675.596031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.596031][ T10] [ 675.598457][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 675.598457][ T10] netdev_get_by_index+0x5e/0x80 [ 675.598457][ T10] fib6_nh_init+0x3d8/0x1580 [ 675.598457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 675.598457][ T10] addrconf_f6i_alloc+0x315/0x560 [ 675.598457][ T10] ipv6_add_addr+0x411/0x2000 [ 675.598457][ T10] inet6_addr_add+0x30e/0xa40 [ 675.598457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 675.598457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.598457][ T10] netlink_rcv_skb+0x130/0x360 [ 675.598457][ T10] netlink_unicast+0x449/0x710 [ 675.598457][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.598457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.598457][ T10] ___sys_sendmsg+0xee/0x170 [ 675.598457][ T10] __sys_sendmsg+0xcd/0x170 [ 675.598457][ T10] do_syscall_64+0xc6/0x1e0 [ 675.598457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.598457][ T10] [ 675.600888][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 675.600888][ T10] netdev_get_by_index+0x5e/0x80 [ 675.600888][ T10] fib6_nh_init+0x3d8/0x1580 [ 675.600888][ T10] ip6_route_info_create+0xf18/0x17d0 [ 675.600888][ T10] ip6_route_add+0x1c/0x140 [ 675.600888][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 675.600888][ T10] addrconf_add_dev+0xe2/0x170 [ 675.600888][ T10] inet6_addr_add+0x12f/0xa40 [ 675.600888][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 675.600888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.600888][ T10] netlink_rcv_skb+0x130/0x360 [ 675.600888][ T10] netlink_unicast+0x449/0x710 [ 675.600888][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.600888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.600888][ T10] ___sys_sendmsg+0xee/0x170 [ 675.600888][ T10] __sys_sendmsg+0xcd/0x170 [ 675.600888][ T10] do_syscall_64+0xc6/0x1e0 [ 675.600888][ T10] [ 675.603268][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 675.603268][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 675.603268][ T10] ipv6_find_idev+0x102/0x170 [ 675.603268][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 675.603268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.603268][ T10] netlink_rcv_skb+0x130/0x360 [ 675.603268][ T10] netlink_unicast+0x449/0x710 [ 675.603268][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.603268][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.603268][ T10] ___sys_sendmsg+0xee/0x170 [ 675.603268][ T10] __sys_sendmsg+0xcd/0x170 [ 675.603268][ T10] do_syscall_64+0xc6/0x1e0 [ 675.603268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.603268][ T10] [ 675.605144][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 675.605144][ T10] neigh_parms_alloc+0x1e5/0x510 [ 675.605144][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 675.605144][ T10] ipv6_find_idev+0x102/0x170 [ 675.605144][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 675.605144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.605144][ T10] netlink_rcv_skb+0x130/0x360 [ 675.605144][ T10] netlink_unicast+0x449/0x710 [ 675.605144][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.605144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.605144][ T10] ___sys_sendmsg+0xee/0x170 [ 675.605144][ T10] __sys_sendmsg+0xcd/0x170 [ 675.605144][ T10] do_syscall_64+0xc6/0x1e0 [ 675.605144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.605144][ T10] [ 675.607208][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 675.607507][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 675.607507][ T10] netdev_get_by_index+0x5e/0x80 [ 675.607507][ T10] fib6_nh_init+0x3d8/0x1580 [ 675.607507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 675.607507][ T10] addrconf_f6i_alloc+0x265/0x560 [ 675.607507][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 675.607507][ T10] addrconf_join_anycast+0x1c0/0x220 [ 675.607507][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 675.607507][ T10] addrconf_dad_completed+0x12b/0xe20 [ 675.607507][ T10] addrconf_dad_begin+0x310/0x670 [ 675.607507][ T10] addrconf_dad_work+0x10b/0xab0 [ 675.607507][ T10] process_one_work+0x84d/0x18a0 [ 675.607507][ T10] worker_thread+0x587/0xd30 [ 675.607507][ T10] kthread+0x28a/0x350 [ 675.607507][ T10] ret_from_fork+0x31/0x70 [ 675.607507][ T10] ret_from_fork_asm+0x1a/0x30 [ 675.607507][ T10] [ 675.609808][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 675.609808][ T10] netdev_get_by_index+0x5e/0x80 [ 675.609808][ T10] fib6_nh_init+0x3d8/0x1580 [ 675.609808][ T10] ip6_route_info_create+0xf18/0x17d0 [ 675.609808][ T10] ip6_route_add+0x1c/0x140 [ 675.609808][ T10] addrconf_prefix_route+0x2a6/0x430 [ 675.609808][ T10] inet6_addr_add+0x4f8/0xa40 [ 675.609808][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 675.609808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.609808][ T10] netlink_rcv_skb+0x130/0x360 [ 675.609808][ T10] netlink_unicast+0x449/0x710 [ 675.609808][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.609808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.609808][ T10] ___sys_sendmsg+0xee/0x170 [ 675.609808][ T10] __sys_sendmsg+0xcd/0x170 [ 675.609808][ T10] do_syscall_64+0xc6/0x1e0 [ 675.609808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.609808][ T10] [ 675.612211][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 675.612211][ T10] netdev_get_by_index+0x5e/0x80 [ 675.612211][ T10] fib6_nh_init+0x3d8/0x1580 [ 675.612211][ T10] ip6_route_info_create+0xf18/0x17d0 [ 675.612211][ T10] addrconf_f6i_alloc+0x315/0x560 [ 675.612211][ T10] ipv6_add_addr+0x411/0x2000 [ 675.612211][ T10] inet6_addr_add+0x30e/0xa40 [ 675.612211][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 675.612211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.612211][ T10] netlink_rcv_skb+0x130/0x360 [ 675.612211][ T10] netlink_unicast+0x449/0x710 [ 675.612211][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.612211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.612211][ T10] ___sys_sendmsg+0xee/0x170 [ 675.612211][ T10] __sys_sendmsg+0xcd/0x170 [ 675.612211][ T10] do_syscall_64+0xc6/0x1e0 [ 675.612211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.612211][ T10] [ 675.614609][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 675.614609][ T10] netdev_get_by_index+0x5e/0x80 [ 675.614609][ T10] fib6_nh_init+0x3d8/0x1580 [ 675.614609][ T10] ip6_route_info_create+0xf18/0x17d0 [ 675.614609][ T10] ip6_route_add+0x1c/0x140 [ 675.614609][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 675.614609][ T10] addrconf_add_dev+0xe2/0x170 [ 675.614609][ T10] inet6_addr_add+0x12f/0xa40 [ 675.614609][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 675.614609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.614609][ T10] netlink_rcv_skb+0x130/0x360 [ 675.614609][ T10] netlink_unicast+0x449/0x710 [ 675.614609][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.614609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.614609][ T10] ___sys_sendmsg+0xee/0x170 [ 675.614609][ T10] __sys_sendmsg+0xcd/0x170 [ 675.614609][ T10] do_syscall_64+0xc6/0x1e0 [ 675.614609][ T10] [ 675.616994][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 675.616994][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 675.616994][ T10] ipv6_find_idev+0x102/0x170 [ 675.616994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 675.616994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.616994][ T10] netlink_rcv_skb+0x130/0x360 [ 675.616994][ T10] netlink_unicast+0x449/0x710 [ 675.616994][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.616994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.616994][ T10] ___sys_sendmsg+0xee/0x170 [ 675.616994][ T10] __sys_sendmsg+0xcd/0x170 [ 675.616994][ T10] do_syscall_64+0xc6/0x1e0 [ 675.616994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.616994][ T10] [ 675.618842][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 675.618842][ T10] neigh_parms_alloc+0x1e5/0x510 [ 675.618842][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 675.618842][ T10] ipv6_find_idev+0x102/0x170 [ 675.618842][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 675.618842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.618842][ T10] netlink_rcv_skb+0x130/0x360 [ 675.618842][ T10] netlink_unicast+0x449/0x710 [ 675.618842][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.618842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.618842][ T10] ___sys_sendmsg+0xee/0x170 [ 675.618842][ T10] __sys_sendmsg+0xcd/0x170 [ 675.618842][ T10] do_syscall_64+0xc6/0x1e0 [ 675.618842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.618842][ T10] [ 675.620866][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 675.621163][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 675.621163][ T10] netdev_get_by_index+0x5e/0x80 [ 675.621163][ T10] fib6_nh_init+0x3d8/0x1580 [ 675.621163][ T10] ip6_route_info_create+0xf18/0x17d0 [ 675.621163][ T10] addrconf_f6i_alloc+0x265/0x560 [ 675.621163][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 675.621163][ T10] addrconf_join_anycast+0x1c0/0x220 [ 675.621163][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 675.621163][ T10] addrconf_dad_completed+0x12b/0xe20 [ 675.621163][ T10] addrconf_dad_begin+0x310/0x670 [ 675.621163][ T10] addrconf_dad_work+0x10b/0xab0 [ 675.621163][ T10] process_one_work+0x84d/0x18a0 [ 675.621163][ T10] worker_thread+0x587/0xd30 [ 675.621163][ T10] kthread+0x28a/0x350 [ 675.621163][ T10] ret_from_fork+0x31/0x70 [ 675.621163][ T10] ret_from_fork_asm+0x1a/0x30 [ 675.621163][ T10] [ 675.623466][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 675.623466][ T10] netdev_get_by_index+0x5e/0x80 [ 675.623466][ T10] fib6_nh_init+0x3d8/0x1580 [ 675.623466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 675.623466][ T10] ip6_route_add+0x1c/0x140 [ 675.623466][ T10] addrconf_prefix_route+0x2a6/0x430 [ 675.623466][ T10] inet6_addr_add+0x4f8/0xa40 [ 675.623466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 675.623466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.623466][ T10] netlink_rcv_skb+0x130/0x360 [ 675.623466][ T10] netlink_unicast+0x449/0x710 [ 675.623466][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.623466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.623466][ T10] ___sys_sendmsg+0xee/0x170 [ 675.623466][ T10] __sys_sendmsg+0xcd/0x170 [ 675.623466][ T10] do_syscall_64+0xc6/0x1e0 [ 675.623466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.623466][ T10] [ 675.626071][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 675.626071][ T10] netdev_get_by_index+0x5e/0x80 [ 675.626071][ T10] fib6_nh_init+0x3d8/0x1580 [ 675.626071][ T10] ip6_route_info_create+0xf18/0x17d0 [ 675.626071][ T10] addrconf_f6i_alloc+0x315/0x560 [ 675.626071][ T10] ipv6_add_addr+0x411/0x2000 [ 675.626071][ T10] inet6_addr_add+0x30e/0xa40 [ 675.626071][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 675.626071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.626071][ T10] netlink_rcv_skb+0x130/0x360 [ 675.626071][ T10] netlink_unicast+0x449/0x710 [ 675.626071][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.626071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.626071][ T10] ___sys_sendmsg+0xee/0x170 [ 675.626071][ T10] __sys_sendmsg+0xcd/0x170 [ 675.626071][ T10] do_syscall_64+0xc6/0x1e0 [ 675.626071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.626071][ T10] [ 675.628794][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 675.628794][ T10] netdev_get_by_index+0x5e/0x80 [ 675.628794][ T10] fib6_nh_init+0x3d8/0x1580 [ 675.628794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 675.628794][ T10] ip6_route_add+0x1c/0x140 [ 675.628794][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 675.628794][ T10] addrconf_add_dev+0xe2/0x170 [ 675.628794][ T10] inet6_addr_add+0x12f/0xa40 [ 675.628794][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 675.628794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.628794][ T10] netlink_rcv_skb+0x130/0x360 [ 675.628794][ T10] netlink_unicast+0x449/0x710 [ 675.628794][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.628794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.628794][ T10] ___sys_sendmsg+0xee/0x170 [ 675.628794][ T10] __sys_sendmsg+0xcd/0x170 [ 675.628794][ T10] do_syscall_64+0xc6/0x1e0 [ 675.628794][ T10] [ 675.631352][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 675.631352][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 675.631352][ T10] ipv6_find_idev+0x102/0x170 [ 675.631352][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 675.631352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.631352][ T10] netlink_rcv_skb+0x130/0x360 [ 675.631352][ T10] netlink_unicast+0x449/0x710 [ 675.631352][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.631352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.631352][ T10] ___sys_sendmsg+0xee/0x170 [ 675.631352][ T10] __sys_sendmsg+0xcd/0x170 [ 675.631352][ T10] do_syscall_64+0xc6/0x1e0 [ 675.631352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.631352][ T10] [ 675.633409][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 675.633409][ T10] neigh_parms_alloc+0x1e5/0x510 [ 675.633409][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 675.633409][ T10] ipv6_find_idev+0x102/0x170 [ 675.633409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 675.633409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.633409][ T10] netlink_rcv_skb+0x130/0x360 [ 675.633409][ T10] netlink_unicast+0x449/0x710 [ 675.633409][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.633409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.633409][ T10] ___sys_sendmsg+0xee/0x170 [ 675.633409][ T10] __sys_sendmsg+0xcd/0x170 [ 675.633409][ T10] do_syscall_64+0xc6/0x1e0 [ 675.633409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.633409][ T10] [ 675.635694][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 675.635986][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 675.635986][ T10] netdev_get_by_index+0x5e/0x80 [ 675.635986][ T10] fib6_nh_init+0x3d8/0x1580 [ 675.635986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 675.635986][ T10] addrconf_f6i_alloc+0x265/0x560 [ 675.635986][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 675.635986][ T10] addrconf_join_anycast+0x1c0/0x220 [ 675.635986][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 675.635986][ T10] addrconf_dad_completed+0x12b/0xe20 [ 675.635986][ T10] addrconf_dad_begin+0x310/0x670 [ 675.635986][ T10] addrconf_dad_work+0x10b/0xab0 [ 675.635986][ T10] process_one_work+0x84d/0x18a0 [ 675.635986][ T10] worker_thread+0x587/0xd30 [ 675.635986][ T10] kthread+0x28a/0x350 [ 675.635986][ T10] ret_from_fork+0x31/0x70 [ 675.635986][ T10] ret_from_fork_asm+0x1a/0x30 [ 675.635986][ T10] [ 675.638610][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 675.638610][ T10] netdev_get_by_index+0x5e/0x80 [ 675.638610][ T10] fib6_nh_init+0x3d8/0x1580 [ 675.638610][ T10] ip6_route_info_create+0xf18/0x17d0 [ 675.638610][ T10] ip6_route_add+0x1c/0x140 [ 675.638610][ T10] addrconf_prefix_route+0x2a6/0x430 [ 675.638610][ T10] inet6_addr_add+0x4f8/0xa40 [ 675.638610][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 675.638610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.638610][ T10] netlink_rcv_skb+0x130/0x360 [ 675.638610][ T10] netlink_unicast+0x449/0x710 [ 675.638610][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.638610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.638610][ T10] ___sys_sendmsg+0xee/0x170 [ 675.638610][ T10] __sys_sendmsg+0xcd/0x170 [ 675.638610][ T10] do_syscall_64+0xc6/0x1e0 [ 675.638610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.638610][ T10] [ 675.641210][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 675.641210][ T10] netdev_get_by_index+0x5e/0x80 [ 675.641210][ T10] fib6_nh_init+0x3d8/0x1580 [ 675.641210][ T10] ip6_route_info_create+0xf18/0x17d0 [ 675.641210][ T10] addrconf_f6i_alloc+0x315/0x560 [ 675.641210][ T10] ipv6_add_addr+0x411/0x2000 [ 675.641210][ T10] inet6_addr_add+0x30e/0xa40 [ 675.641210][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 675.641210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.641210][ T10] netlink_rcv_skb+0x130/0x360 [ 675.641210][ T10] netlink_unicast+0x449/0x710 [ 675.641210][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.641210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.641210][ T10] ___sys_sendmsg+0xee/0x170 [ 675.641210][ T10] __sys_sendmsg+0xcd/0x170 [ 675.641210][ T10] do_syscall_64+0xc6/0x1e0 [ 675.641210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.641210][ T10] [ 675.643873][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 675.643873][ T10] netdev_get_by_index+0x5e/0x80 [ 675.643873][ T10] fib6_nh_init+0x3d8/0x1580 [ 675.643873][ T10] ip6_route_info_create+0xf18/0x17d0 [ 675.643873][ T10] ip6_route_add+0x1c/0x140 [ 675.643873][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 675.643873][ T10] addrconf_add_dev+0xe2/0x170 [ 675.643873][ T10] inet6_addr_add+0x12f/0xa40 [ 675.643873][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 675.643873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.643873][ T10] netlink_rcv_skb+0x130/0x360 [ 675.643873][ T10] netlink_unicast+0x449/0x710 [ 675.643873][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.643873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.643873][ T10] ___sys_sendmsg+0xee/0x170 [ 675.643873][ T10] __sys_sendmsg+0xcd/0x170 [ 675.643873][ T10] do_syscall_64+0xc6/0x1e0 [ 675.643873][ T10] [ 675.646506][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 675.646506][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 675.646506][ T10] ipv6_find_idev+0x102/0x170 [ 675.646506][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 675.646506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.646506][ T10] netlink_rcv_skb+0x130/0x360 [ 675.646506][ T10] netlink_unicast+0x449/0x710 [ 675.646506][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.646506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.646506][ T10] ___sys_sendmsg+0xee/0x170 [ 675.646506][ T10] __sys_sendmsg+0xcd/0x170 [ 675.646506][ T10] do_syscall_64+0xc6/0x1e0 [ 675.646506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.646506][ T10] [ 675.648561][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 675.648561][ T10] neigh_parms_alloc+0x1e5/0x510 [ 675.648561][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 675.648561][ T10] ipv6_find_idev+0x102/0x170 [ 675.648561][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 675.648561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.648561][ T10] netlink_rcv_skb+0x130/0x360 [ 675.648561][ T10] netlink_unicast+0x449/0x710 [ 675.648561][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.648561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.648561][ T10] ___sys_sendmsg+0xee/0x170 [ 675.648561][ T10] __sys_sendmsg+0xcd/0x170 [ 675.648561][ T10] do_syscall_64+0xc6/0x1e0 [ 675.648561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.648561][ T10] [ 676.553134][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 676.553618][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 676.553618][ T1167] dst_init+0x84/0x4a0 [ 676.553618][ T1167] dst_alloc+0x97/0x150 [ 676.553618][ T1167] ip6_dst_alloc+0x23/0x90 [ 676.553618][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 676.553618][ T1167] ip6_pol_route+0x56f/0x840 [ 676.553618][ T1167] fib6_rule_lookup+0x334/0x630 [ 676.553618][ T1167] ip6_route_output_flags+0x259/0x480 [ 676.553618][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 676.553618][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 676.553618][ T1167] netlink_rcv_skb+0x130/0x360 [ 676.553618][ T1167] netlink_unicast+0x449/0x710 [ 676.553618][ T1167] netlink_sendmsg+0x723/0xbe0 [ 676.553618][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 676.553618][ T1167] ___sys_sendmsg+0xee/0x170 [ 676.553618][ T1167] __sys_sendmsg+0xcd/0x170 [ 676.553618][ T1167] do_syscall_64+0xc6/0x1e0 [ 676.553618][ T1167] [ 676.555835][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 676.555835][ T1167] netdev_get_by_index+0x5e/0x80 [ 676.555835][ T1167] fib6_nh_init+0x3d8/0x1580 [ 676.555835][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 676.555835][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 676.555835][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 676.555835][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 676.555835][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 676.555835][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 676.555835][ T1167] addrconf_dad_begin+0x310/0x670 [ 676.555835][ T1167] addrconf_dad_work+0x10b/0xab0 [ 676.555835][ T1167] process_one_work+0x84d/0x18a0 [ 676.555835][ T1167] worker_thread+0x587/0xd30 [ 676.555835][ T1167] kthread+0x28a/0x350 [ 676.555835][ T1167] ret_from_fork+0x31/0x70 [ 676.555835][ T1167] ret_from_fork_asm+0x1a/0x30 [ 676.555835][ T1167] [ 676.557975][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 676.557975][ T1167] netdev_get_by_index+0x5e/0x80 [ 676.557975][ T1167] fib6_nh_init+0x3d8/0x1580 [ 676.557975][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 676.557975][ T1167] ip6_route_add+0x1c/0x140 [ 676.557975][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 676.557975][ T1167] inet6_addr_add+0x4f8/0xa40 [ 676.557975][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 676.557975][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 676.557975][ T1167] netlink_rcv_skb+0x130/0x360 [ 676.557975][ T1167] netlink_unicast+0x449/0x710 [ 676.557975][ T1167] netlink_sendmsg+0x723/0xbe0 [ 676.557975][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 676.557975][ T1167] ___sys_sendmsg+0xee/0x170 [ 676.557975][ T1167] __sys_sendmsg+0xcd/0x170 [ 676.557975][ T1167] do_syscall_64+0xc6/0x1e0 [ 676.557975][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 676.557975][ T1167] [ 676.560212][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 676.560212][ T1167] netdev_get_by_index+0x5e/0x80 [ 676.560212][ T1167] fib6_nh_init+0x3d8/0x1580 [ 676.560212][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 676.560212][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 676.560212][ T1167] ipv6_add_addr+0x411/0x2000 [ 676.560212][ T1167] inet6_addr_add+0x30e/0xa40 [ 676.560212][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 676.560212][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 676.560212][ T1167] netlink_rcv_skb+0x130/0x360 [ 676.560212][ T1167] netlink_unicast+0x449/0x710 [ 676.560212][ T1167] netlink_sendmsg+0x723/0xbe0 [ 676.560212][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 676.560212][ T1167] ___sys_sendmsg+0xee/0x170 [ 676.560212][ T1167] __sys_sendmsg+0xcd/0x170 [ 676.560212][ T1167] do_syscall_64+0xc6/0x1e0 [ 676.560212][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 676.560212][ T1167] [ 676.562436][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 676.562436][ T1167] netdev_get_by_index+0x5e/0x80 [ 676.562436][ T1167] fib6_nh_init+0x3d8/0x1580 [ 676.562436][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 676.562436][ T1167] ip6_route_add+0x1c/0x140 [ 676.562436][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 676.562436][ T1167] addrconf_add_dev+0xe2/0x170 [ 676.562436][ T1167] inet6_addr_add+0x12f/0xa40 [ 676.562436][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 676.562436][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 676.562436][ T1167] netlink_rcv_skb+0x130/0x360 [ 676.562436][ T1167] netlink_unicast+0x449/0x710 [ 676.562436][ T1167] netlink_sendmsg+0x723/0xbe0 [ 676.562436][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 676.562436][ T1167] ___sys_sendmsg+0xee/0x170 [ 676.562436][ T1167] __sys_sendmsg+0xcd/0x170 [ 676.562436][ T1167] do_syscall_64+0xc6/0x1e0 [ 676.562436][ T1167] [ 676.564625][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 676.564625][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 676.564625][ T1167] ipv6_find_idev+0x102/0x170 [ 676.564625][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 676.564625][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 676.564625][ T1167] netlink_rcv_skb+0x130/0x360 [ 676.564625][ T1167] netlink_unicast+0x449/0x710 [ 676.564625][ T1167] netlink_sendmsg+0x723/0xbe0 [ 676.564625][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 676.564625][ T1167] ___sys_sendmsg+0xee/0x170 [ 676.564625][ T1167] __sys_sendmsg+0xcd/0x170 [ 676.564625][ T1167] do_syscall_64+0xc6/0x1e0 [ 676.564625][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 676.564625][ T1167] [ 676.566350][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 676.566350][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 676.566350][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 676.566350][ T1167] ipv6_find_idev+0x102/0x170 [ 676.566350][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 676.566350][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 676.566350][ T1167] netlink_rcv_skb+0x130/0x360 [ 676.566350][ T1167] netlink_unicast+0x449/0x710 [ 676.566350][ T1167] netlink_sendmsg+0x723/0xbe0 [ 676.566350][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 676.566350][ T1167] ___sys_sendmsg+0xee/0x170 [ 676.566350][ T1167] __sys_sendmsg+0xcd/0x170 [ 676.566350][ T1167] do_syscall_64+0xc6/0x1e0 [ 676.566350][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 676.566350][ T1167] [ 685.889096][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 685.889505][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 685.889505][ T10] netdev_get_by_index+0x5e/0x80 [ 685.889505][ T10] fib6_nh_init+0x3d8/0x1580 [ 685.889505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 685.889505][ T10] addrconf_f6i_alloc+0x265/0x560 [ 685.889505][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 685.889505][ T10] addrconf_join_anycast+0x1c0/0x220 [ 685.889505][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 685.889505][ T10] addrconf_dad_completed+0x12b/0xe20 [ 685.889505][ T10] addrconf_dad_begin+0x310/0x670 [ 685.889505][ T10] addrconf_dad_work+0x10b/0xab0 [ 685.889505][ T10] process_one_work+0x84d/0x18a0 [ 685.889505][ T10] worker_thread+0x587/0xd30 [ 685.889505][ T10] kthread+0x28a/0x350 [ 685.889505][ T10] ret_from_fork+0x31/0x70 [ 685.889505][ T10] ret_from_fork_asm+0x1a/0x30 [ 685.889505][ T10] [ 685.891543][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 685.891543][ T10] netdev_get_by_index+0x5e/0x80 [ 685.891543][ T10] fib6_nh_init+0x3d8/0x1580 [ 685.891543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 685.891543][ T10] ip6_route_add+0x1c/0x140 [ 685.891543][ T10] addrconf_prefix_route+0x2a6/0x430 [ 685.891543][ T10] inet6_addr_add+0x4f8/0xa40 [ 685.891543][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 685.891543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.891543][ T10] netlink_rcv_skb+0x130/0x360 [ 685.891543][ T10] netlink_unicast+0x449/0x710 [ 685.891543][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.891543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.891543][ T10] ___sys_sendmsg+0xee/0x170 [ 685.891543][ T10] __sys_sendmsg+0xcd/0x170 [ 685.891543][ T10] do_syscall_64+0xc6/0x1e0 [ 685.891543][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.891543][ T10] [ 685.893707][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 685.893707][ T10] netdev_get_by_index+0x5e/0x80 [ 685.893707][ T10] fib6_nh_init+0x3d8/0x1580 [ 685.893707][ T10] ip6_route_info_create+0xf18/0x17d0 [ 685.893707][ T10] addrconf_f6i_alloc+0x315/0x560 [ 685.893707][ T10] ipv6_add_addr+0x411/0x2000 [ 685.893707][ T10] inet6_addr_add+0x30e/0xa40 [ 685.893707][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 685.893707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.893707][ T10] netlink_rcv_skb+0x130/0x360 [ 685.893707][ T10] netlink_unicast+0x449/0x710 [ 685.893707][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.893707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.893707][ T10] ___sys_sendmsg+0xee/0x170 [ 685.893707][ T10] __sys_sendmsg+0xcd/0x170 [ 685.893707][ T10] do_syscall_64+0xc6/0x1e0 [ 685.893707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.893707][ T10] [ 685.895879][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 685.895879][ T10] netdev_get_by_index+0x5e/0x80 [ 685.895879][ T10] fib6_nh_init+0x3d8/0x1580 [ 685.895879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 685.895879][ T10] ip6_route_add+0x1c/0x140 [ 685.895879][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 685.895879][ T10] addrconf_add_dev+0xe2/0x170 [ 685.895879][ T10] inet6_addr_add+0x12f/0xa40 [ 685.895879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 685.895879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.895879][ T10] netlink_rcv_skb+0x130/0x360 [ 685.895879][ T10] netlink_unicast+0x449/0x710 [ 685.895879][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.895879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.895879][ T10] ___sys_sendmsg+0xee/0x170 [ 685.895879][ T10] __sys_sendmsg+0xcd/0x170 [ 685.895879][ T10] do_syscall_64+0xc6/0x1e0 [ 685.895879][ T10] [ 685.898007][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 685.898007][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 685.898007][ T10] ipv6_find_idev+0x102/0x170 [ 685.898007][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.898007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.898007][ T10] netlink_rcv_skb+0x130/0x360 [ 685.898007][ T10] netlink_unicast+0x449/0x710 [ 685.898007][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.898007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.898007][ T10] ___sys_sendmsg+0xee/0x170 [ 685.898007][ T10] __sys_sendmsg+0xcd/0x170 [ 685.898007][ T10] do_syscall_64+0xc6/0x1e0 [ 685.898007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.898007][ T10] [ 685.899679][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 685.899679][ T10] neigh_parms_alloc+0x1e5/0x510 [ 685.899679][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 685.899679][ T10] ipv6_find_idev+0x102/0x170 [ 685.899679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.899679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.899679][ T10] netlink_rcv_skb+0x130/0x360 [ 685.899679][ T10] netlink_unicast+0x449/0x710 [ 685.899679][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.899679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.899679][ T10] ___sys_sendmsg+0xee/0x170 [ 685.899679][ T10] __sys_sendmsg+0xcd/0x170 [ 685.899679][ T10] do_syscall_64+0xc6/0x1e0 [ 685.899679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.899679][ T10] [ 685.901530][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 685.901800][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 685.901800][ T10] netdev_get_by_index+0x5e/0x80 [ 685.901800][ T10] fib6_nh_init+0x3d8/0x1580 [ 685.901800][ T10] ip6_route_info_create+0xf18/0x17d0 [ 685.901800][ T10] addrconf_f6i_alloc+0x265/0x560 [ 685.901800][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 685.901800][ T10] addrconf_join_anycast+0x1c0/0x220 [ 685.901800][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 685.901800][ T10] addrconf_dad_completed+0x12b/0xe20 [ 685.901800][ T10] addrconf_dad_begin+0x310/0x670 [ 685.901800][ T10] addrconf_dad_work+0x10b/0xab0 [ 685.901800][ T10] process_one_work+0x84d/0x18a0 [ 685.901800][ T10] worker_thread+0x587/0xd30 [ 685.901800][ T10] kthread+0x28a/0x350 [ 685.901800][ T10] ret_from_fork+0x31/0x70 [ 685.901800][ T10] ret_from_fork_asm+0x1a/0x30 [ 685.901800][ T10] [ 685.903886][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 685.903886][ T10] netdev_get_by_index+0x5e/0x80 [ 685.903886][ T10] fib6_nh_init+0x3d8/0x1580 [ 685.903886][ T10] ip6_route_info_create+0xf18/0x17d0 [ 685.903886][ T10] ip6_route_add+0x1c/0x140 [ 685.903886][ T10] addrconf_prefix_route+0x2a6/0x430 [ 685.903886][ T10] inet6_addr_add+0x4f8/0xa40 [ 685.903886][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 685.903886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.903886][ T10] netlink_rcv_skb+0x130/0x360 [ 685.903886][ T10] netlink_unicast+0x449/0x710 [ 685.903886][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.903886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.903886][ T10] ___sys_sendmsg+0xee/0x170 [ 685.903886][ T10] __sys_sendmsg+0xcd/0x170 [ 685.903886][ T10] do_syscall_64+0xc6/0x1e0 [ 685.903886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.903886][ T10] [ 685.906048][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 685.906048][ T10] netdev_get_by_index+0x5e/0x80 [ 685.906048][ T10] fib6_nh_init+0x3d8/0x1580 [ 685.906048][ T10] ip6_route_info_create+0xf18/0x17d0 [ 685.906048][ T10] addrconf_f6i_alloc+0x315/0x560 [ 685.906048][ T10] ipv6_add_addr+0x411/0x2000 [ 685.906048][ T10] inet6_addr_add+0x30e/0xa40 [ 685.906048][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 685.906048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.906048][ T10] netlink_rcv_skb+0x130/0x360 [ 685.906048][ T10] netlink_unicast+0x449/0x710 [ 685.906048][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.906048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.906048][ T10] ___sys_sendmsg+0xee/0x170 [ 685.906048][ T10] __sys_sendmsg+0xcd/0x170 [ 685.906048][ T10] do_syscall_64+0xc6/0x1e0 [ 685.906048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.906048][ T10] [ 685.908196][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 685.908196][ T10] netdev_get_by_index+0x5e/0x80 [ 685.908196][ T10] fib6_nh_init+0x3d8/0x1580 [ 685.908196][ T10] ip6_route_info_create+0xf18/0x17d0 [ 685.908196][ T10] ip6_route_add+0x1c/0x140 [ 685.908196][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 685.908196][ T10] addrconf_add_dev+0xe2/0x170 [ 685.908196][ T10] inet6_addr_add+0x12f/0xa40 [ 685.908196][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 685.908196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.908196][ T10] netlink_rcv_skb+0x130/0x360 [ 685.908196][ T10] netlink_unicast+0x449/0x710 [ 685.908196][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.908196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.908196][ T10] ___sys_sendmsg+0xee/0x170 [ 685.908196][ T10] __sys_sendmsg+0xcd/0x170 [ 685.908196][ T10] do_syscall_64+0xc6/0x1e0 [ 685.908196][ T10] [ 685.910287][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 685.910287][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 685.910287][ T10] ipv6_find_idev+0x102/0x170 [ 685.910287][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.910287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.910287][ T10] netlink_rcv_skb+0x130/0x360 [ 685.910287][ T10] netlink_unicast+0x449/0x710 [ 685.910287][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.910287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.910287][ T10] ___sys_sendmsg+0xee/0x170 [ 685.910287][ T10] __sys_sendmsg+0xcd/0x170 [ 685.910287][ T10] do_syscall_64+0xc6/0x1e0 [ 685.910287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.910287][ T10] [ 685.911845][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 685.911845][ T10] neigh_parms_alloc+0x1e5/0x510 [ 685.911845][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 685.911845][ T10] ipv6_find_idev+0x102/0x170 [ 685.911845][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.911845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.911845][ T10] netlink_rcv_skb+0x130/0x360 [ 685.911845][ T10] netlink_unicast+0x449/0x710 [ 685.911845][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.911845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.911845][ T10] ___sys_sendmsg+0xee/0x170 [ 685.911845][ T10] __sys_sendmsg+0xcd/0x170 [ 685.911845][ T10] do_syscall_64+0xc6/0x1e0 [ 685.911845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.911845][ T10] [ 685.913561][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 685.913810][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 685.913810][ T10] netdev_get_by_index+0x5e/0x80 [ 685.913810][ T10] fib6_nh_init+0x3d8/0x1580 [ 685.913810][ T10] ip6_route_info_create+0xf18/0x17d0 [ 685.913810][ T10] addrconf_f6i_alloc+0x265/0x560 [ 685.913810][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 685.913810][ T10] addrconf_join_anycast+0x1c0/0x220 [ 685.913810][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 685.913810][ T10] addrconf_dad_completed+0x12b/0xe20 [ 685.913810][ T10] addrconf_dad_begin+0x310/0x670 [ 685.913810][ T10] addrconf_dad_work+0x10b/0xab0 [ 685.913810][ T10] process_one_work+0x84d/0x18a0 [ 685.913810][ T10] worker_thread+0x587/0xd30 [ 685.913810][ T10] kthread+0x28a/0x350 [ 685.913810][ T10] ret_from_fork+0x31/0x70 [ 685.913810][ T10] ret_from_fork_asm+0x1a/0x30 [ 685.913810][ T10] [ 685.915769][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 685.915769][ T10] netdev_get_by_index+0x5e/0x80 [ 685.915769][ T10] fib6_nh_init+0x3d8/0x1580 [ 685.915769][ T10] ip6_route_info_create+0xf18/0x17d0 [ 685.915769][ T10] ip6_route_add+0x1c/0x140 [ 685.915769][ T10] addrconf_prefix_route+0x2a6/0x430 [ 685.915769][ T10] inet6_addr_add+0x4f8/0xa40 [ 685.915769][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 685.915769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.915769][ T10] netlink_rcv_skb+0x130/0x360 [ 685.915769][ T10] netlink_unicast+0x449/0x710 [ 685.915769][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.915769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.915769][ T10] ___sys_sendmsg+0xee/0x170 [ 685.915769][ T10] __sys_sendmsg+0xcd/0x170 [ 685.915769][ T10] do_syscall_64+0xc6/0x1e0 [ 685.915769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.915769][ T10] [ 685.918084][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 685.918084][ T10] netdev_get_by_index+0x5e/0x80 [ 685.918084][ T10] fib6_nh_init+0x3d8/0x1580 [ 685.918084][ T10] ip6_route_info_create+0xf18/0x17d0 [ 685.918084][ T10] addrconf_f6i_alloc+0x315/0x560 [ 685.918084][ T10] ipv6_add_addr+0x411/0x2000 [ 685.918084][ T10] inet6_addr_add+0x30e/0xa40 [ 685.918084][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 685.918084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.918084][ T10] netlink_rcv_skb+0x130/0x360 [ 685.918084][ T10] netlink_unicast+0x449/0x710 [ 685.918084][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.918084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.918084][ T10] ___sys_sendmsg+0xee/0x170 [ 685.918084][ T10] __sys_sendmsg+0xcd/0x170 [ 685.918084][ T10] do_syscall_64+0xc6/0x1e0 [ 685.918084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.918084][ T10] [ 685.920412][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 685.920412][ T10] netdev_get_by_index+0x5e/0x80 [ 685.920412][ T10] fib6_nh_init+0x3d8/0x1580 [ 685.920412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 685.920412][ T10] ip6_route_add+0x1c/0x140 [ 685.920412][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 685.920412][ T10] addrconf_add_dev+0xe2/0x170 [ 685.920412][ T10] inet6_addr_add+0x12f/0xa40 [ 685.920412][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 685.920412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.920412][ T10] netlink_rcv_skb+0x130/0x360 [ 685.920412][ T10] netlink_unicast+0x449/0x710 [ 685.920412][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.920412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.920412][ T10] ___sys_sendmsg+0xee/0x170 [ 685.920412][ T10] __sys_sendmsg+0xcd/0x170 [ 685.920412][ T10] do_syscall_64+0xc6/0x1e0 [ 685.920412][ T10] [ 685.923183][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 685.923183][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 685.923183][ T10] ipv6_find_idev+0x102/0x170 [ 685.923183][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.923183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.923183][ T10] netlink_rcv_skb+0x130/0x360 [ 685.923183][ T10] netlink_unicast+0x449/0x710 [ 685.923183][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.923183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.923183][ T10] ___sys_sendmsg+0xee/0x170 [ 685.923183][ T10] __sys_sendmsg+0xcd/0x170 [ 685.923183][ T10] do_syscall_64+0xc6/0x1e0 [ 685.923183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.923183][ T10] [ 685.924915][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 685.924915][ T10] neigh_parms_alloc+0x1e5/0x510 [ 685.924915][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 685.924915][ T10] ipv6_find_idev+0x102/0x170 [ 685.924915][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.924915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.924915][ T10] netlink_rcv_skb+0x130/0x360 [ 685.924915][ T10] netlink_unicast+0x449/0x710 [ 685.924915][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.924915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.924915][ T10] ___sys_sendmsg+0xee/0x170 [ 685.924915][ T10] __sys_sendmsg+0xcd/0x170 [ 685.924915][ T10] do_syscall_64+0xc6/0x1e0 [ 685.924915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.924915][ T10] [ 685.927021][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 685.927284][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 685.927284][ T10] netdev_get_by_index+0x5e/0x80 [ 685.927284][ T10] fib6_nh_init+0x3d8/0x1580 [ 685.927284][ T10] ip6_route_info_create+0xf18/0x17d0 [ 685.927284][ T10] addrconf_f6i_alloc+0x265/0x560 [ 685.927284][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 685.927284][ T10] addrconf_join_anycast+0x1c0/0x220 [ 685.927284][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 685.927284][ T10] addrconf_dad_completed+0x12b/0xe20 [ 685.927284][ T10] addrconf_dad_begin+0x310/0x670 [ 685.927284][ T10] addrconf_dad_work+0x10b/0xab0 [ 685.927284][ T10] process_one_work+0x84d/0x18a0 [ 685.927284][ T10] worker_thread+0x587/0xd30 [ 685.927284][ T10] kthread+0x28a/0x350 [ 685.927284][ T10] ret_from_fork+0x31/0x70 [ 685.927284][ T10] ret_from_fork_asm+0x1a/0x30 [ 685.927284][ T10] [ 685.929717][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 685.929717][ T10] netdev_get_by_index+0x5e/0x80 [ 685.929717][ T10] fib6_nh_init+0x3d8/0x1580 [ 685.929717][ T10] ip6_route_info_create+0xf18/0x17d0 [ 685.929717][ T10] ip6_route_add+0x1c/0x140 [ 685.929717][ T10] addrconf_prefix_route+0x2a6/0x430 [ 685.929717][ T10] inet6_addr_add+0x4f8/0xa40 [ 685.929717][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 685.929717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.929717][ T10] netlink_rcv_skb+0x130/0x360 [ 685.929717][ T10] netlink_unicast+0x449/0x710 [ 685.929717][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.929717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.929717][ T10] ___sys_sendmsg+0xee/0x170 [ 685.929717][ T10] __sys_sendmsg+0xcd/0x170 [ 685.929717][ T10] do_syscall_64+0xc6/0x1e0 [ 685.929717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.929717][ T10] [ 685.932185][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 685.932185][ T10] netdev_get_by_index+0x5e/0x80 [ 685.932185][ T10] fib6_nh_init+0x3d8/0x1580 [ 685.932185][ T10] ip6_route_info_create+0xf18/0x17d0 [ 685.932185][ T10] addrconf_f6i_alloc+0x315/0x560 [ 685.932185][ T10] ipv6_add_addr+0x411/0x2000 [ 685.932185][ T10] inet6_addr_add+0x30e/0xa40 [ 685.932185][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 685.932185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.932185][ T10] netlink_rcv_skb+0x130/0x360 [ 685.932185][ T10] netlink_unicast+0x449/0x710 [ 685.932185][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.932185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.932185][ T10] ___sys_sendmsg+0xee/0x170 [ 685.932185][ T10] __sys_sendmsg+0xcd/0x170 [ 685.932185][ T10] do_syscall_64+0xc6/0x1e0 [ 685.932185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.932185][ T10] [ 685.934560][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 685.934560][ T10] netdev_get_by_index+0x5e/0x80 [ 685.934560][ T10] fib6_nh_init+0x3d8/0x1580 [ 685.934560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 685.934560][ T10] ip6_route_add+0x1c/0x140 [ 685.934560][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 685.934560][ T10] addrconf_add_dev+0xe2/0x170 [ 685.934560][ T10] inet6_addr_add+0x12f/0xa40 [ 685.934560][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 685.934560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.934560][ T10] netlink_rcv_skb+0x130/0x360 [ 685.934560][ T10] netlink_unicast+0x449/0x710 [ 685.934560][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.934560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.934560][ T10] ___sys_sendmsg+0xee/0x170 [ 685.934560][ T10] __sys_sendmsg+0xcd/0x170 [ 685.934560][ T10] do_syscall_64+0xc6/0x1e0 [ 685.934560][ T10] [ 685.936912][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 685.936912][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 685.936912][ T10] ipv6_find_idev+0x102/0x170 [ 685.936912][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.936912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.936912][ T10] netlink_rcv_skb+0x130/0x360 [ 685.936912][ T10] netlink_unicast+0x449/0x710 [ 685.936912][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.936912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.936912][ T10] ___sys_sendmsg+0xee/0x170 [ 685.936912][ T10] __sys_sendmsg+0xcd/0x170 [ 685.936912][ T10] do_syscall_64+0xc6/0x1e0 [ 685.936912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.936912][ T10] [ 685.938767][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 685.938767][ T10] neigh_parms_alloc+0x1e5/0x510 [ 685.938767][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 685.938767][ T10] ipv6_find_idev+0x102/0x170 [ 685.938767][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.938767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.938767][ T10] netlink_rcv_skb+0x130/0x360 [ 685.938767][ T10] netlink_unicast+0x449/0x710 [ 685.938767][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.938767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.938767][ T10] ___sys_sendmsg+0xee/0x170 [ 685.938767][ T10] __sys_sendmsg+0xcd/0x170 [ 685.938767][ T10] do_syscall_64+0xc6/0x1e0 [ 685.938767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.938767][ T10] [ 686.809109][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 686.809611][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 686.809611][ T1167] dst_init+0x84/0x4a0 [ 686.809611][ T1167] dst_alloc+0x97/0x150 [ 686.809611][ T1167] ip6_dst_alloc+0x23/0x90 [ 686.809611][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 686.809611][ T1167] ip6_pol_route+0x56f/0x840 [ 686.809611][ T1167] fib6_rule_lookup+0x334/0x630 [ 686.809611][ T1167] ip6_route_output_flags+0x259/0x480 [ 686.809611][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 686.809611][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 686.809611][ T1167] netlink_rcv_skb+0x130/0x360 [ 686.809611][ T1167] netlink_unicast+0x449/0x710 [ 686.809611][ T1167] netlink_sendmsg+0x723/0xbe0 [ 686.809611][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 686.809611][ T1167] ___sys_sendmsg+0xee/0x170 [ 686.809611][ T1167] __sys_sendmsg+0xcd/0x170 [ 686.809611][ T1167] do_syscall_64+0xc6/0x1e0 [ 686.809611][ T1167] [ 686.811958][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 686.811958][ T1167] netdev_get_by_index+0x5e/0x80 [ 686.811958][ T1167] fib6_nh_init+0x3d8/0x1580 [ 686.811958][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 686.811958][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 686.811958][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 686.811958][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 686.811958][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 686.811958][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 686.811958][ T1167] addrconf_dad_begin+0x310/0x670 [ 686.811958][ T1167] addrconf_dad_work+0x10b/0xab0 [ 686.811958][ T1167] process_one_work+0x84d/0x18a0 [ 686.811958][ T1167] worker_thread+0x587/0xd30 [ 686.811958][ T1167] kthread+0x28a/0x350 [ 686.811958][ T1167] ret_from_fork+0x31/0x70 [ 686.811958][ T1167] ret_from_fork_asm+0x1a/0x30 [ 686.811958][ T1167] [ 686.814245][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 686.814245][ T1167] netdev_get_by_index+0x5e/0x80 [ 686.814245][ T1167] fib6_nh_init+0x3d8/0x1580 [ 686.814245][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 686.814245][ T1167] ip6_route_add+0x1c/0x140 [ 686.814245][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 686.814245][ T1167] inet6_addr_add+0x4f8/0xa40 [ 686.814245][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 686.814245][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 686.814245][ T1167] netlink_rcv_skb+0x130/0x360 [ 686.814245][ T1167] netlink_unicast+0x449/0x710 [ 686.814245][ T1167] netlink_sendmsg+0x723/0xbe0 [ 686.814245][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 686.814245][ T1167] ___sys_sendmsg+0xee/0x170 [ 686.814245][ T1167] __sys_sendmsg+0xcd/0x170 [ 686.814245][ T1167] do_syscall_64+0xc6/0x1e0 [ 686.814245][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 686.814245][ T1167] [ 686.816661][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 686.816661][ T1167] netdev_get_by_index+0x5e/0x80 [ 686.816661][ T1167] fib6_nh_init+0x3d8/0x1580 [ 686.816661][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 686.816661][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 686.816661][ T1167] ipv6_add_addr+0x411/0x2000 [ 686.816661][ T1167] inet6_addr_add+0x30e/0xa40 [ 686.816661][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 686.816661][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 686.816661][ T1167] netlink_rcv_skb+0x130/0x360 [ 686.816661][ T1167] netlink_unicast+0x449/0x710 [ 686.816661][ T1167] netlink_sendmsg+0x723/0xbe0 [ 686.816661][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 686.816661][ T1167] ___sys_sendmsg+0xee/0x170 [ 686.816661][ T1167] __sys_sendmsg+0xcd/0x170 [ 686.816661][ T1167] do_syscall_64+0xc6/0x1e0 [ 686.816661][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 686.816661][ T1167] [ 686.819029][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 686.819029][ T1167] netdev_get_by_index+0x5e/0x80 [ 686.819029][ T1167] fib6_nh_init+0x3d8/0x1580 [ 686.819029][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 686.819029][ T1167] ip6_route_add+0x1c/0x140 [ 686.819029][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 686.819029][ T1167] addrconf_add_dev+0xe2/0x170 [ 686.819029][ T1167] inet6_addr_add+0x12f/0xa40 [ 686.819029][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 686.819029][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 686.819029][ T1167] netlink_rcv_skb+0x130/0x360 [ 686.819029][ T1167] netlink_unicast+0x449/0x710 [ 686.819029][ T1167] netlink_sendmsg+0x723/0xbe0 [ 686.819029][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 686.819029][ T1167] ___sys_sendmsg+0xee/0x170 [ 686.819029][ T1167] __sys_sendmsg+0xcd/0x170 [ 686.819029][ T1167] do_syscall_64+0xc6/0x1e0 [ 686.819029][ T1167] [ 686.821413][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 686.821413][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 686.821413][ T1167] ipv6_find_idev+0x102/0x170 [ 686.821413][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 686.821413][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 686.821413][ T1167] netlink_rcv_skb+0x130/0x360 [ 686.821413][ T1167] netlink_unicast+0x449/0x710 [ 686.821413][ T1167] netlink_sendmsg+0x723/0xbe0 [ 686.821413][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 686.821413][ T1167] ___sys_sendmsg+0xee/0x170 [ 686.821413][ T1167] __sys_sendmsg+0xcd/0x170 [ 686.821413][ T1167] do_syscall_64+0xc6/0x1e0 [ 686.821413][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 686.821413][ T1167] [ 686.823239][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 686.823239][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 686.823239][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 686.823239][ T1167] ipv6_find_idev+0x102/0x170 [ 686.823239][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 686.823239][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 686.823239][ T1167] netlink_rcv_skb+0x130/0x360 [ 686.823239][ T1167] netlink_unicast+0x449/0x710 [ 686.823239][ T1167] netlink_sendmsg+0x723/0xbe0 [ 686.823239][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 686.823239][ T1167] ___sys_sendmsg+0xee/0x170 [ 686.823239][ T1167] __sys_sendmsg+0xcd/0x170 [ 686.823239][ T1167] do_syscall_64+0xc6/0x1e0 [ 686.823239][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 686.823239][ T1167] [ 696.113146][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 696.113537][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 696.113537][ T10] netdev_get_by_index+0x5e/0x80 [ 696.113537][ T10] fib6_nh_init+0x3d8/0x1580 [ 696.113537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 696.113537][ T10] addrconf_f6i_alloc+0x265/0x560 [ 696.113537][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 696.113537][ T10] addrconf_join_anycast+0x1c0/0x220 [ 696.113537][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 696.113537][ T10] addrconf_dad_completed+0x12b/0xe20 [ 696.113537][ T10] addrconf_dad_begin+0x310/0x670 [ 696.113537][ T10] addrconf_dad_work+0x10b/0xab0 [ 696.113537][ T10] process_one_work+0x84d/0x18a0 [ 696.113537][ T10] worker_thread+0x587/0xd30 [ 696.113537][ T10] kthread+0x28a/0x350 [ 696.113537][ T10] ret_from_fork+0x31/0x70 [ 696.113537][ T10] ret_from_fork_asm+0x1a/0x30 [ 696.113537][ T10] [ 696.115526][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 696.115526][ T10] netdev_get_by_index+0x5e/0x80 [ 696.115526][ T10] fib6_nh_init+0x3d8/0x1580 [ 696.115526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 696.115526][ T10] ip6_route_add+0x1c/0x140 [ 696.115526][ T10] addrconf_prefix_route+0x2a6/0x430 [ 696.115526][ T10] inet6_addr_add+0x4f8/0xa40 [ 696.115526][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 696.115526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.115526][ T10] netlink_rcv_skb+0x130/0x360 [ 696.115526][ T10] netlink_unicast+0x449/0x710 [ 696.115526][ T10] netlink_sendmsg+0x723/0xbe0 [ 696.115526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 696.115526][ T10] ___sys_sendmsg+0xee/0x170 [ 696.115526][ T10] __sys_sendmsg+0xcd/0x170 [ 696.115526][ T10] do_syscall_64+0xc6/0x1e0 [ 696.115526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.115526][ T10] [ 696.117524][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 696.117524][ T10] netdev_get_by_index+0x5e/0x80 [ 696.117524][ T10] fib6_nh_init+0x3d8/0x1580 [ 696.117524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 696.117524][ T10] addrconf_f6i_alloc+0x315/0x560 [ 696.117524][ T10] ipv6_add_addr+0x411/0x2000 [ 696.117524][ T10] inet6_addr_add+0x30e/0xa40 [ 696.117524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 696.117524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.117524][ T10] netlink_rcv_skb+0x130/0x360 [ 696.117524][ T10] netlink_unicast+0x449/0x710 [ 696.117524][ T10] netlink_sendmsg+0x723/0xbe0 [ 696.117524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 696.117524][ T10] ___sys_sendmsg+0xee/0x170 [ 696.117524][ T10] __sys_sendmsg+0xcd/0x170 [ 696.117524][ T10] do_syscall_64+0xc6/0x1e0 [ 696.117524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.117524][ T10] [ 696.119515][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 696.119515][ T10] netdev_get_by_index+0x5e/0x80 [ 696.119515][ T10] fib6_nh_init+0x3d8/0x1580 [ 696.119515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 696.119515][ T10] ip6_route_add+0x1c/0x140 [ 696.119515][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 696.119515][ T10] addrconf_add_dev+0xe2/0x170 [ 696.119515][ T10] inet6_addr_add+0x12f/0xa40 [ 696.119515][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 696.119515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.119515][ T10] netlink_rcv_skb+0x130/0x360 [ 696.119515][ T10] netlink_unicast+0x449/0x710 [ 696.119515][ T10] netlink_sendmsg+0x723/0xbe0 [ 696.119515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 696.119515][ T10] ___sys_sendmsg+0xee/0x170 [ 696.119515][ T10] __sys_sendmsg+0xcd/0x170 [ 696.119515][ T10] do_syscall_64+0xc6/0x1e0 [ 696.119515][ T10] [ 696.121471][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 696.121471][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 696.121471][ T10] ipv6_find_idev+0x102/0x170 [ 696.121471][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 696.121471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.121471][ T10] netlink_rcv_skb+0x130/0x360 [ 696.121471][ T10] netlink_unicast+0x449/0x710 [ 696.121471][ T10] netlink_sendmsg+0x723/0xbe0 [ 696.121471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 696.121471][ T10] ___sys_sendmsg+0xee/0x170 [ 696.121471][ T10] __sys_sendmsg+0xcd/0x170 [ 696.121471][ T10] do_syscall_64+0xc6/0x1e0 [ 696.121471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.121471][ T10] [ 696.123003][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 696.123003][ T10] neigh_parms_alloc+0x1e5/0x510 [ 696.123003][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 696.123003][ T10] ipv6_find_idev+0x102/0x170 [ 696.123003][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 696.123003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.123003][ T10] netlink_rcv_skb+0x130/0x360 [ 696.123003][ T10] netlink_unicast+0x449/0x710 [ 696.123003][ T10] netlink_sendmsg+0x723/0xbe0 [ 696.123003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 696.123003][ T10] ___sys_sendmsg+0xee/0x170 [ 696.123003][ T10] __sys_sendmsg+0xcd/0x170 [ 696.123003][ T10] do_syscall_64+0xc6/0x1e0 [ 696.123003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.123003][ T10] [ 696.124707][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 696.124959][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 696.124959][ T10] netdev_get_by_index+0x5e/0x80 [ 696.124959][ T10] fib6_nh_init+0x3d8/0x1580 [ 696.124959][ T10] ip6_route_info_create+0xf18/0x17d0 [ 696.124959][ T10] addrconf_f6i_alloc+0x265/0x560 [ 696.124959][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 696.124959][ T10] addrconf_join_anycast+0x1c0/0x220 [ 696.124959][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 696.124959][ T10] addrconf_dad_completed+0x12b/0xe20 [ 696.124959][ T10] addrconf_dad_begin+0x310/0x670 [ 696.124959][ T10] addrconf_dad_work+0x10b/0xab0 [ 696.124959][ T10] process_one_work+0x84d/0x18a0 [ 696.124959][ T10] worker_thread+0x587/0xd30 [ 696.124959][ T10] kthread+0x28a/0x350 [ 696.124959][ T10] ret_from_fork+0x31/0x70 [ 696.124959][ T10] ret_from_fork_asm+0x1a/0x30 [ 696.124959][ T10] [ 696.126940][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 696.126940][ T10] netdev_get_by_index+0x5e/0x80 [ 696.126940][ T10] fib6_nh_init+0x3d8/0x1580 [ 696.126940][ T10] ip6_route_info_create+0xf18/0x17d0 [ 696.126940][ T10] ip6_route_add+0x1c/0x140 [ 696.126940][ T10] addrconf_prefix_route+0x2a6/0x430 [ 696.126940][ T10] inet6_addr_add+0x4f8/0xa40 [ 696.126940][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 696.126940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.126940][ T10] netlink_rcv_skb+0x130/0x360 [ 696.126940][ T10] netlink_unicast+0x449/0x710 [ 696.126940][ T10] netlink_sendmsg+0x723/0xbe0 [ 696.126940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 696.126940][ T10] ___sys_sendmsg+0xee/0x170 [ 696.126940][ T10] __sys_sendmsg+0xcd/0x170 [ 696.126940][ T10] do_syscall_64+0xc6/0x1e0 [ 696.126940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.126940][ T10] [ 696.128969][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 696.128969][ T10] netdev_get_by_index+0x5e/0x80 [ 696.128969][ T10] fib6_nh_init+0x3d8/0x1580 [ 696.128969][ T10] ip6_route_info_create+0xf18/0x17d0 [ 696.128969][ T10] addrconf_f6i_alloc+0x315/0x560 [ 696.128969][ T10] ipv6_add_addr+0x411/0x2000 [ 696.128969][ T10] inet6_addr_add+0x30e/0xa40 [ 696.128969][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 696.128969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.128969][ T10] netlink_rcv_skb+0x130/0x360 [ 696.128969][ T10] netlink_unicast+0x449/0x710 [ 696.128969][ T10] netlink_sendmsg+0x723/0xbe0 [ 696.128969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 696.128969][ T10] ___sys_sendmsg+0xee/0x170 [ 696.128969][ T10] __sys_sendmsg+0xcd/0x170 [ 696.128969][ T10] do_syscall_64+0xc6/0x1e0 [ 696.128969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.128969][ T10] [ 696.131003][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 696.131003][ T10] netdev_get_by_index+0x5e/0x80 [ 696.131003][ T10] fib6_nh_init+0x3d8/0x1580 [ 696.131003][ T10] ip6_route_info_create+0xf18/0x17d0 [ 696.131003][ T10] ip6_route_add+0x1c/0x140 [ 696.131003][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 696.131003][ T10] addrconf_add_dev+0xe2/0x170 [ 696.131003][ T10] inet6_addr_add+0x12f/0xa40 [ 696.131003][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 696.131003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.131003][ T10] netlink_rcv_skb+0x130/0x360 [ 696.131003][ T10] netlink_unicast+0x449/0x710 [ 696.131003][ T10] netlink_sendmsg+0x723/0xbe0 [ 696.131003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 696.131003][ T10] ___sys_sendmsg+0xee/0x170 [ 696.131003][ T10] __sys_sendmsg+0xcd/0x170 [ 696.131003][ T10] do_syscall_64+0xc6/0x1e0 [ 696.131003][ T10] [ 696.132960][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 696.132960][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 696.132960][ T10] ipv6_find_idev+0x102/0x170 [ 696.132960][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 696.132960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.132960][ T10] netlink_rcv_skb+0x130/0x360 [ 696.132960][ T10] netlink_unicast+0x449/0x710 [ 696.132960][ T10] netlink_sendmsg+0x723/0xbe0 [ 696.132960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 696.132960][ T10] ___sys_sendmsg+0xee/0x170 [ 696.132960][ T10] __sys_sendmsg+0xcd/0x170 [ 696.132960][ T10] do_syscall_64+0xc6/0x1e0 [ 696.132960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.132960][ T10] [ 696.134498][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 696.134498][ T10] neigh_parms_alloc+0x1e5/0x510 [ 696.134498][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 696.134498][ T10] ipv6_find_idev+0x102/0x170 [ 696.134498][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 696.134498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.134498][ T10] netlink_rcv_skb+0x130/0x360 [ 696.134498][ T10] netlink_unicast+0x449/0x710 [ 696.134498][ T10] netlink_sendmsg+0x723/0xbe0 [ 696.134498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 696.134498][ T10] ___sys_sendmsg+0xee/0x170 [ 696.134498][ T10] __sys_sendmsg+0xcd/0x170 [ 696.134498][ T10] do_syscall_64+0xc6/0x1e0 [ 696.134498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.134498][ T10] [ 696.136197][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 696.136453][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 696.136453][ T10] netdev_get_by_index+0x5e/0x80 [ 696.136453][ T10] fib6_nh_init+0x3d8/0x1580 [ 696.136453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 696.136453][ T10] addrconf_f6i_alloc+0x265/0x560 [ 696.136453][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 696.136453][ T10] addrconf_join_anycast+0x1c0/0x220 [ 696.136453][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 696.136453][ T10] addrconf_dad_completed+0x12b/0xe20 [ 696.136453][ T10] addrconf_dad_begin+0x310/0x670 [ 696.136453][ T10] addrconf_dad_work+0x10b/0xab0 [ 696.136453][ T10] process_one_work+0x84d/0x18a0 [ 696.136453][ T10] worker_thread+0x587/0xd30 [ 696.136453][ T10] kthread+0x28a/0x350 [ 696.136453][ T10] ret_from_fork+0x31/0x70 [ 696.136453][ T10] ret_from_fork_asm+0x1a/0x30 [ 696.136453][ T10] [ 696.138372][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 696.138372][ T10] netdev_get_by_index+0x5e/0x80 [ 696.138372][ T10] fib6_nh_init+0x3d8/0x1580 [ 696.138372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 696.138372][ T10] ip6_route_add+0x1c/0x140 [ 696.138372][ T10] addrconf_prefix_route+0x2a6/0x430 [ 696.138372][ T10] inet6_addr_add+0x4f8/0xa40 [ 696.138372][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 696.138372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.138372][ T10] netlink_rcv_skb+0x130/0x360 [ 696.138372][ T10] netlink_unicast+0x449/0x710 [ 696.138372][ T10] netlink_sendmsg+0x723/0xbe0 [ 696.138372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 696.138372][ T10] ___sys_sendmsg+0xee/0x170 [ 696.138372][ T10] __sys_sendmsg+0xcd/0x170 [ 696.138372][ T10] do_syscall_64+0xc6/0x1e0 [ 696.138372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.138372][ T10] [ 696.140563][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 696.140563][ T10] netdev_get_by_index+0x5e/0x80 [ 696.140563][ T10] fib6_nh_init+0x3d8/0x1580 [ 696.140563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 696.140563][ T10] addrconf_f6i_alloc+0x315/0x560 [ 696.140563][ T10] ipv6_add_addr+0x411/0x2000 [ 696.140563][ T10] inet6_addr_add+0x30e/0xa40 [ 696.140563][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 696.140563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.140563][ T10] netlink_rcv_skb+0x130/0x360 [ 696.140563][ T10] netlink_unicast+0x449/0x710 [ 696.140563][ T10] netlink_sendmsg+0x723/0xbe0 [ 696.140563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 696.140563][ T10] ___sys_sendmsg+0xee/0x170 [ 696.140563][ T10] __sys_sendmsg+0xcd/0x170 [ 696.140563][ T10] do_syscall_64+0xc6/0x1e0 [ 696.140563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.140563][ T10] [ 696.142795][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 696.142795][ T10] netdev_get_by_index+0x5e/0x80 [ 696.142795][ T10] fib6_nh_init+0x3d8/0x1580 [ 696.142795][ T10] ip6_route_info_create+0xf18/0x17d0 [ 696.142795][ T10] ip6_route_add+0x1c/0x140 [ 696.142795][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 696.142795][ T10] addrconf_add_dev+0xe2/0x170 [ 696.142795][ T10] inet6_addr_add+0x12f/0xa40 [ 696.142795][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 696.142795][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.142795][ T10] netlink_rcv_skb+0x130/0x360 [ 696.142795][ T10] netlink_unicast+0x449/0x710 [ 696.142795][ T10] netlink_sendmsg+0x723/0xbe0 [ 696.142795][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 696.142795][ T10] ___sys_sendmsg+0xee/0x170 [ 696.142795][ T10] __sys_sendmsg+0xcd/0x170 [ 696.142795][ T10] do_syscall_64+0xc6/0x1e0 [ 696.142795][ T10] [ 696.145052][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 696.145052][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 696.145052][ T10] ipv6_find_idev+0x102/0x170 [ 696.145052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 696.145052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.145052][ T10] netlink_rcv_skb+0x130/0x360 [ 696.145052][ T10] netlink_unicast+0x449/0x710 [ 696.145052][ T10] netlink_sendmsg+0x723/0xbe0 [ 696.145052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 696.145052][ T10] ___sys_sendmsg+0xee/0x170 [ 696.145052][ T10] __sys_sendmsg+0xcd/0x170 [ 696.145052][ T10] do_syscall_64+0xc6/0x1e0 [ 696.145052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.145052][ T10] [ 696.146804][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 696.146804][ T10] neigh_parms_alloc+0x1e5/0x510 [ 696.146804][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 696.146804][ T10] ipv6_find_idev+0x102/0x170 [ 696.146804][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 696.146804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.146804][ T10] netlink_rcv_skb+0x130/0x360 [ 696.146804][ T10] netlink_unicast+0x449/0x710 [ 696.146804][ T10] netlink_sendmsg+0x723/0xbe0 [ 696.146804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 696.146804][ T10] ___sys_sendmsg+0xee/0x170 [ 696.146804][ T10] __sys_sendmsg+0xcd/0x170 [ 696.146804][ T10] do_syscall_64+0xc6/0x1e0 [ 696.146804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.146804][ T10] [ 696.148759][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 696.149011][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 696.149011][ T10] netdev_get_by_index+0x5e/0x80 [ 696.149011][ T10] fib6_nh_init+0x3d8/0x1580 [ 696.149011][ T10] ip6_route_info_create+0xf18/0x17d0 [ 696.149011][ T10] addrconf_f6i_alloc+0x265/0x560 [ 696.149011][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 696.149011][ T10] addrconf_join_anycast+0x1c0/0x220 [ 696.149011][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 696.149011][ T10] addrconf_dad_completed+0x12b/0xe20 [ 696.149011][ T10] addrconf_dad_begin+0x310/0x670 [ 696.149011][ T10] addrconf_dad_work+0x10b/0xab0 [ 696.149011][ T10] process_one_work+0x84d/0x18a0 [ 696.149011][ T10] worker_thread+0x587/0xd30 [ 696.149011][ T10] kthread+0x28a/0x350 [ 696.149011][ T10] ret_from_fork+0x31/0x70 [ 696.149011][ T10] ret_from_fork_asm+0x1a/0x30 [ 696.149011][ T10] [ 696.151194][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 696.151194][ T10] netdev_get_by_index+0x5e/0x80 [ 696.151194][ T10] fib6_nh_init+0x3d8/0x1580 [ 696.151194][ T10] ip6_route_info_create+0xf18/0x17d0 [ 696.151194][ T10] ip6_route_add+0x1c/0x140 [ 696.151194][ T10] addrconf_prefix_route+0x2a6/0x430 [ 696.151194][ T10] inet6_addr_add+0x4f8/0xa40 [ 696.151194][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 696.151194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.151194][ T10] netlink_rcv_skb+0x130/0x360 [ 696.151194][ T10] netlink_unicast+0x449/0x710 [ 696.151194][ T10] netlink_sendmsg+0x723/0xbe0 [ 696.151194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 696.151194][ T10] ___sys_sendmsg+0xee/0x170 [ 696.151194][ T10] __sys_sendmsg+0xcd/0x170 [ 696.151194][ T10] do_syscall_64+0xc6/0x1e0 [ 696.151194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.151194][ T10] [ 696.153462][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 696.153462][ T10] netdev_get_by_index+0x5e/0x80 [ 696.153462][ T10] fib6_nh_init+0x3d8/0x1580 [ 696.153462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 696.153462][ T10] addrconf_f6i_alloc+0x315/0x560 [ 696.153462][ T10] ipv6_add_addr+0x411/0x2000 [ 696.153462][ T10] inet6_addr_add+0x30e/0xa40 [ 696.153462][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 696.153462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.153462][ T10] netlink_rcv_skb+0x130/0x360 [ 696.153462][ T10] netlink_unicast+0x449/0x710 [ 696.153462][ T10] netlink_sendmsg+0x723/0xbe0 [ 696.153462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 696.153462][ T10] ___sys_sendmsg+0xee/0x170 [ 696.153462][ T10] __sys_sendmsg+0xcd/0x170 [ 696.153462][ T10] do_syscall_64+0xc6/0x1e0 [ 696.153462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.153462][ T10] [ 696.155787][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 696.155787][ T10] netdev_get_by_index+0x5e/0x80 [ 696.155787][ T10] fib6_nh_init+0x3d8/0x1580 [ 696.155787][ T10] ip6_route_info_create+0xf18/0x17d0 [ 696.155787][ T10] ip6_route_add+0x1c/0x140 [ 696.155787][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 696.155787][ T10] addrconf_add_dev+0xe2/0x170 [ 696.155787][ T10] inet6_addr_add+0x12f/0xa40 [ 696.155787][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 696.155787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.155787][ T10] netlink_rcv_skb+0x130/0x360 [ 696.155787][ T10] netlink_unicast+0x449/0x710 [ 696.155787][ T10] netlink_sendmsg+0x723/0xbe0 [ 696.155787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 696.155787][ T10] ___sys_sendmsg+0xee/0x170 [ 696.155787][ T10] __sys_sendmsg+0xcd/0x170 [ 696.155787][ T10] do_syscall_64+0xc6/0x1e0 [ 696.155787][ T10] [ 696.158248][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 696.158248][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 696.158248][ T10] ipv6_find_idev+0x102/0x170 [ 696.158248][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 696.158248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.158248][ T10] netlink_rcv_skb+0x130/0x360 [ 696.158248][ T10] netlink_unicast+0x449/0x710 [ 696.158248][ T10] netlink_sendmsg+0x723/0xbe0 [ 696.158248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 696.158248][ T10] ___sys_sendmsg+0xee/0x170 [ 696.158248][ T10] __sys_sendmsg+0xcd/0x170 [ 696.158248][ T10] do_syscall_64+0xc6/0x1e0 [ 696.158248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.158248][ T10] [ 696.160116][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 696.160116][ T10] neigh_parms_alloc+0x1e5/0x510 [ 696.160116][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 696.160116][ T10] ipv6_find_idev+0x102/0x170 [ 696.160116][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 696.160116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.160116][ T10] netlink_rcv_skb+0x130/0x360 [ 696.160116][ T10] netlink_unicast+0x449/0x710 [ 696.160116][ T10] netlink_sendmsg+0x723/0xbe0 [ 696.160116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 696.160116][ T10] ___sys_sendmsg+0xee/0x170 [ 696.160116][ T10] __sys_sendmsg+0xcd/0x170 [ 696.160116][ T10] do_syscall_64+0xc6/0x1e0 [ 696.160116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.160116][ T10] [ 696.881129][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 696.881599][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 696.881599][ T1167] dst_init+0x84/0x4a0 [ 696.881599][ T1167] dst_alloc+0x97/0x150 [ 696.881599][ T1167] ip6_dst_alloc+0x23/0x90 [ 696.881599][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 696.881599][ T1167] ip6_pol_route+0x56f/0x840 [ 696.881599][ T1167] fib6_rule_lookup+0x334/0x630 [ 696.881599][ T1167] ip6_route_output_flags+0x259/0x480 [ 696.881599][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 696.881599][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 696.881599][ T1167] netlink_rcv_skb+0x130/0x360 [ 696.881599][ T1167] netlink_unicast+0x449/0x710 [ 696.881599][ T1167] netlink_sendmsg+0x723/0xbe0 [ 696.881599][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 696.881599][ T1167] ___sys_sendmsg+0xee/0x170 [ 696.881599][ T1167] __sys_sendmsg+0xcd/0x170 [ 696.881599][ T1167] do_syscall_64+0xc6/0x1e0 [ 696.881599][ T1167] [ 696.883856][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 696.883856][ T1167] netdev_get_by_index+0x5e/0x80 [ 696.883856][ T1167] fib6_nh_init+0x3d8/0x1580 [ 696.883856][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 696.883856][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 696.883856][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 696.883856][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 696.883856][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 696.883856][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 696.883856][ T1167] addrconf_dad_begin+0x310/0x670 [ 696.883856][ T1167] addrconf_dad_work+0x10b/0xab0 [ 696.883856][ T1167] process_one_work+0x84d/0x18a0 [ 696.883856][ T1167] worker_thread+0x587/0xd30 [ 696.883856][ T1167] kthread+0x28a/0x350 [ 696.883856][ T1167] ret_from_fork+0x31/0x70 [ 696.883856][ T1167] ret_from_fork_asm+0x1a/0x30 [ 696.883856][ T1167] [ 696.886067][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 696.886067][ T1167] netdev_get_by_index+0x5e/0x80 [ 696.886067][ T1167] fib6_nh_init+0x3d8/0x1580 [ 696.886067][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 696.886067][ T1167] ip6_route_add+0x1c/0x140 [ 696.886067][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 696.886067][ T1167] inet6_addr_add+0x4f8/0xa40 [ 696.886067][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 696.886067][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.886067][ T1167] netlink_rcv_skb+0x130/0x360 [ 696.886067][ T1167] netlink_unicast+0x449/0x710 [ 696.886067][ T1167] netlink_sendmsg+0x723/0xbe0 [ 696.886067][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 696.886067][ T1167] ___sys_sendmsg+0xee/0x170 [ 696.886067][ T1167] __sys_sendmsg+0xcd/0x170 [ 696.886067][ T1167] do_syscall_64+0xc6/0x1e0 [ 696.886067][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.886067][ T1167] [ 696.888350][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 696.888350][ T1167] netdev_get_by_index+0x5e/0x80 [ 696.888350][ T1167] fib6_nh_init+0x3d8/0x1580 [ 696.888350][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 696.888350][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 696.888350][ T1167] ipv6_add_addr+0x411/0x2000 [ 696.888350][ T1167] inet6_addr_add+0x30e/0xa40 [ 696.888350][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 696.888350][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.888350][ T1167] netlink_rcv_skb+0x130/0x360 [ 696.888350][ T1167] netlink_unicast+0x449/0x710 [ 696.888350][ T1167] netlink_sendmsg+0x723/0xbe0 [ 696.888350][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 696.888350][ T1167] ___sys_sendmsg+0xee/0x170 [ 696.888350][ T1167] __sys_sendmsg+0xcd/0x170 [ 696.888350][ T1167] do_syscall_64+0xc6/0x1e0 [ 696.888350][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.888350][ T1167] [ 696.890585][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 696.890585][ T1167] netdev_get_by_index+0x5e/0x80 [ 696.890585][ T1167] fib6_nh_init+0x3d8/0x1580 [ 696.890585][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 696.890585][ T1167] ip6_route_add+0x1c/0x140 [ 696.890585][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 696.890585][ T1167] addrconf_add_dev+0xe2/0x170 [ 696.890585][ T1167] inet6_addr_add+0x12f/0xa40 [ 696.890585][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 696.890585][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.890585][ T1167] netlink_rcv_skb+0x130/0x360 [ 696.890585][ T1167] netlink_unicast+0x449/0x710 [ 696.890585][ T1167] netlink_sendmsg+0x723/0xbe0 [ 696.890585][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 696.890585][ T1167] ___sys_sendmsg+0xee/0x170 [ 696.890585][ T1167] __sys_sendmsg+0xcd/0x170 [ 696.890585][ T1167] do_syscall_64+0xc6/0x1e0 [ 696.890585][ T1167] [ 696.892778][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 696.892778][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 696.892778][ T1167] ipv6_find_idev+0x102/0x170 [ 696.892778][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 696.892778][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.892778][ T1167] netlink_rcv_skb+0x130/0x360 [ 696.892778][ T1167] netlink_unicast+0x449/0x710 [ 696.892778][ T1167] netlink_sendmsg+0x723/0xbe0 [ 696.892778][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 696.892778][ T1167] ___sys_sendmsg+0xee/0x170 [ 696.892778][ T1167] __sys_sendmsg+0xcd/0x170 [ 696.892778][ T1167] do_syscall_64+0xc6/0x1e0 [ 696.892778][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.892778][ T1167] [ 696.894490][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 696.894490][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 696.894490][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 696.894490][ T1167] ipv6_find_idev+0x102/0x170 [ 696.894490][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 696.894490][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.894490][ T1167] netlink_rcv_skb+0x130/0x360 [ 696.894490][ T1167] netlink_unicast+0x449/0x710 [ 696.894490][ T1167] netlink_sendmsg+0x723/0xbe0 [ 696.894490][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 696.894490][ T1167] ___sys_sendmsg+0xee/0x170 [ 696.894490][ T1167] __sys_sendmsg+0xcd/0x170 [ 696.894490][ T1167] do_syscall_64+0xc6/0x1e0 [ 696.894490][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.894490][ T1167] [ 706.401092][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 706.401500][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 706.401500][ T10] netdev_get_by_index+0x5e/0x80 [ 706.401500][ T10] fib6_nh_init+0x3d8/0x1580 [ 706.401500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 706.401500][ T10] addrconf_f6i_alloc+0x265/0x560 [ 706.401500][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 706.401500][ T10] addrconf_join_anycast+0x1c0/0x220 [ 706.401500][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 706.401500][ T10] addrconf_dad_completed+0x12b/0xe20 [ 706.401500][ T10] addrconf_dad_begin+0x310/0x670 [ 706.401500][ T10] addrconf_dad_work+0x10b/0xab0 [ 706.401500][ T10] process_one_work+0x84d/0x18a0 [ 706.401500][ T10] worker_thread+0x587/0xd30 [ 706.401500][ T10] kthread+0x28a/0x350 [ 706.401500][ T10] ret_from_fork+0x31/0x70 [ 706.401500][ T10] ret_from_fork_asm+0x1a/0x30 [ 706.401500][ T10] [ 706.403526][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 706.403526][ T10] netdev_get_by_index+0x5e/0x80 [ 706.403526][ T10] fib6_nh_init+0x3d8/0x1580 [ 706.403526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 706.403526][ T10] ip6_route_add+0x1c/0x140 [ 706.403526][ T10] addrconf_prefix_route+0x2a6/0x430 [ 706.403526][ T10] inet6_addr_add+0x4f8/0xa40 [ 706.403526][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 706.403526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.403526][ T10] netlink_rcv_skb+0x130/0x360 [ 706.403526][ T10] netlink_unicast+0x449/0x710 [ 706.403526][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.403526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.403526][ T10] ___sys_sendmsg+0xee/0x170 [ 706.403526][ T10] __sys_sendmsg+0xcd/0x170 [ 706.403526][ T10] do_syscall_64+0xc6/0x1e0 [ 706.403526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.403526][ T10] [ 706.405631][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 706.405631][ T10] netdev_get_by_index+0x5e/0x80 [ 706.405631][ T10] fib6_nh_init+0x3d8/0x1580 [ 706.405631][ T10] ip6_route_info_create+0xf18/0x17d0 [ 706.405631][ T10] addrconf_f6i_alloc+0x315/0x560 [ 706.405631][ T10] ipv6_add_addr+0x411/0x2000 [ 706.405631][ T10] inet6_addr_add+0x30e/0xa40 [ 706.405631][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 706.405631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.405631][ T10] netlink_rcv_skb+0x130/0x360 [ 706.405631][ T10] netlink_unicast+0x449/0x710 [ 706.405631][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.405631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.405631][ T10] ___sys_sendmsg+0xee/0x170 [ 706.405631][ T10] __sys_sendmsg+0xcd/0x170 [ 706.405631][ T10] do_syscall_64+0xc6/0x1e0 [ 706.405631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.405631][ T10] [ 706.407801][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 706.407801][ T10] netdev_get_by_index+0x5e/0x80 [ 706.407801][ T10] fib6_nh_init+0x3d8/0x1580 [ 706.407801][ T10] ip6_route_info_create+0xf18/0x17d0 [ 706.407801][ T10] ip6_route_add+0x1c/0x140 [ 706.407801][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 706.407801][ T10] addrconf_add_dev+0xe2/0x170 [ 706.407801][ T10] inet6_addr_add+0x12f/0xa40 [ 706.407801][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 706.407801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.407801][ T10] netlink_rcv_skb+0x130/0x360 [ 706.407801][ T10] netlink_unicast+0x449/0x710 [ 706.407801][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.407801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.407801][ T10] ___sys_sendmsg+0xee/0x170 [ 706.407801][ T10] __sys_sendmsg+0xcd/0x170 [ 706.407801][ T10] do_syscall_64+0xc6/0x1e0 [ 706.407801][ T10] [ 706.409867][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 706.409867][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 706.409867][ T10] ipv6_find_idev+0x102/0x170 [ 706.409867][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 706.409867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.409867][ T10] netlink_rcv_skb+0x130/0x360 [ 706.409867][ T10] netlink_unicast+0x449/0x710 [ 706.409867][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.409867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.409867][ T10] ___sys_sendmsg+0xee/0x170 [ 706.409867][ T10] __sys_sendmsg+0xcd/0x170 [ 706.409867][ T10] do_syscall_64+0xc6/0x1e0 [ 706.409867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.409867][ T10] [ 706.411406][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 706.411406][ T10] neigh_parms_alloc+0x1e5/0x510 [ 706.411406][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 706.411406][ T10] ipv6_find_idev+0x102/0x170 [ 706.411406][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 706.411406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.411406][ T10] netlink_rcv_skb+0x130/0x360 [ 706.411406][ T10] netlink_unicast+0x449/0x710 [ 706.411406][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.411406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.411406][ T10] ___sys_sendmsg+0xee/0x170 [ 706.411406][ T10] __sys_sendmsg+0xcd/0x170 [ 706.411406][ T10] do_syscall_64+0xc6/0x1e0 [ 706.411406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.411406][ T10] [ 706.413085][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 706.413334][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 706.413334][ T10] netdev_get_by_index+0x5e/0x80 [ 706.413334][ T10] fib6_nh_init+0x3d8/0x1580 [ 706.413334][ T10] ip6_route_info_create+0xf18/0x17d0 [ 706.413334][ T10] addrconf_f6i_alloc+0x265/0x560 [ 706.413334][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 706.413334][ T10] addrconf_join_anycast+0x1c0/0x220 [ 706.413334][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 706.413334][ T10] addrconf_dad_completed+0x12b/0xe20 [ 706.413334][ T10] addrconf_dad_begin+0x310/0x670 [ 706.413334][ T10] addrconf_dad_work+0x10b/0xab0 [ 706.413334][ T10] process_one_work+0x84d/0x18a0 [ 706.413334][ T10] worker_thread+0x587/0xd30 [ 706.413334][ T10] kthread+0x28a/0x350 [ 706.413334][ T10] ret_from_fork+0x31/0x70 [ 706.413334][ T10] ret_from_fork_asm+0x1a/0x30 [ 706.413334][ T10] [ 706.415229][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 706.415229][ T10] netdev_get_by_index+0x5e/0x80 [ 706.415229][ T10] fib6_nh_init+0x3d8/0x1580 [ 706.415229][ T10] ip6_route_info_create+0xf18/0x17d0 [ 706.415229][ T10] ip6_route_add+0x1c/0x140 [ 706.415229][ T10] addrconf_prefix_route+0x2a6/0x430 [ 706.415229][ T10] inet6_addr_add+0x4f8/0xa40 [ 706.415229][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 706.415229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.415229][ T10] netlink_rcv_skb+0x130/0x360 [ 706.415229][ T10] netlink_unicast+0x449/0x710 [ 706.415229][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.415229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.415229][ T10] ___sys_sendmsg+0xee/0x170 [ 706.415229][ T10] __sys_sendmsg+0xcd/0x170 [ 706.415229][ T10] do_syscall_64+0xc6/0x1e0 [ 706.415229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.415229][ T10] [ 706.417198][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 706.417198][ T10] netdev_get_by_index+0x5e/0x80 [ 706.417198][ T10] fib6_nh_init+0x3d8/0x1580 [ 706.417198][ T10] ip6_route_info_create+0xf18/0x17d0 [ 706.417198][ T10] addrconf_f6i_alloc+0x315/0x560 [ 706.417198][ T10] ipv6_add_addr+0x411/0x2000 [ 706.417198][ T10] inet6_addr_add+0x30e/0xa40 [ 706.417198][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 706.417198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.417198][ T10] netlink_rcv_skb+0x130/0x360 [ 706.417198][ T10] netlink_unicast+0x449/0x710 [ 706.417198][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.417198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.417198][ T10] ___sys_sendmsg+0xee/0x170 [ 706.417198][ T10] __sys_sendmsg+0xcd/0x170 [ 706.417198][ T10] do_syscall_64+0xc6/0x1e0 [ 706.417198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.417198][ T10] [ 706.419173][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 706.419173][ T10] netdev_get_by_index+0x5e/0x80 [ 706.419173][ T10] fib6_nh_init+0x3d8/0x1580 [ 706.419173][ T10] ip6_route_info_create+0xf18/0x17d0 [ 706.419173][ T10] ip6_route_add+0x1c/0x140 [ 706.419173][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 706.419173][ T10] addrconf_add_dev+0xe2/0x170 [ 706.419173][ T10] inet6_addr_add+0x12f/0xa40 [ 706.419173][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 706.419173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.419173][ T10] netlink_rcv_skb+0x130/0x360 [ 706.419173][ T10] netlink_unicast+0x449/0x710 [ 706.419173][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.419173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.419173][ T10] ___sys_sendmsg+0xee/0x170 [ 706.419173][ T10] __sys_sendmsg+0xcd/0x170 [ 706.419173][ T10] do_syscall_64+0xc6/0x1e0 [ 706.419173][ T10] [ 706.421112][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 706.421112][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 706.421112][ T10] ipv6_find_idev+0x102/0x170 [ 706.421112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 706.421112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.421112][ T10] netlink_rcv_skb+0x130/0x360 [ 706.421112][ T10] netlink_unicast+0x449/0x710 [ 706.421112][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.421112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.421112][ T10] ___sys_sendmsg+0xee/0x170 [ 706.421112][ T10] __sys_sendmsg+0xcd/0x170 [ 706.421112][ T10] do_syscall_64+0xc6/0x1e0 [ 706.421112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.421112][ T10] [ 706.422630][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 706.422630][ T10] neigh_parms_alloc+0x1e5/0x510 [ 706.422630][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 706.422630][ T10] ipv6_find_idev+0x102/0x170 [ 706.422630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 706.422630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.422630][ T10] netlink_rcv_skb+0x130/0x360 [ 706.422630][ T10] netlink_unicast+0x449/0x710 [ 706.422630][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.422630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.422630][ T10] ___sys_sendmsg+0xee/0x170 [ 706.422630][ T10] __sys_sendmsg+0xcd/0x170 [ 706.422630][ T10] do_syscall_64+0xc6/0x1e0 [ 706.422630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.422630][ T10] [ 706.424296][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 706.424541][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 706.424541][ T10] netdev_get_by_index+0x5e/0x80 [ 706.424541][ T10] fib6_nh_init+0x3d8/0x1580 [ 706.424541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 706.424541][ T10] addrconf_f6i_alloc+0x265/0x560 [ 706.424541][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 706.424541][ T10] addrconf_join_anycast+0x1c0/0x220 [ 706.424541][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 706.424541][ T10] addrconf_dad_completed+0x12b/0xe20 [ 706.424541][ T10] addrconf_dad_begin+0x310/0x670 [ 706.424541][ T10] addrconf_dad_work+0x10b/0xab0 [ 706.424541][ T10] process_one_work+0x84d/0x18a0 [ 706.424541][ T10] worker_thread+0x587/0xd30 [ 706.424541][ T10] kthread+0x28a/0x350 [ 706.424541][ T10] ret_from_fork+0x31/0x70 [ 706.424541][ T10] ret_from_fork_asm+0x1a/0x30 [ 706.424541][ T10] [ 706.426432][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 706.426432][ T10] netdev_get_by_index+0x5e/0x80 [ 706.426432][ T10] fib6_nh_init+0x3d8/0x1580 [ 706.426432][ T10] ip6_route_info_create+0xf18/0x17d0 [ 706.426432][ T10] ip6_route_add+0x1c/0x140 [ 706.426432][ T10] addrconf_prefix_route+0x2a6/0x430 [ 706.426432][ T10] inet6_addr_add+0x4f8/0xa40 [ 706.426432][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 706.426432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.426432][ T10] netlink_rcv_skb+0x130/0x360 [ 706.426432][ T10] netlink_unicast+0x449/0x710 [ 706.426432][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.426432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.426432][ T10] ___sys_sendmsg+0xee/0x170 [ 706.426432][ T10] __sys_sendmsg+0xcd/0x170 [ 706.426432][ T10] do_syscall_64+0xc6/0x1e0 [ 706.426432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.426432][ T10] [ 706.428603][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 706.428603][ T10] netdev_get_by_index+0x5e/0x80 [ 706.428603][ T10] fib6_nh_init+0x3d8/0x1580 [ 706.428603][ T10] ip6_route_info_create+0xf18/0x17d0 [ 706.428603][ T10] addrconf_f6i_alloc+0x315/0x560 [ 706.428603][ T10] ipv6_add_addr+0x411/0x2000 [ 706.428603][ T10] inet6_addr_add+0x30e/0xa40 [ 706.428603][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 706.428603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.428603][ T10] netlink_rcv_skb+0x130/0x360 [ 706.428603][ T10] netlink_unicast+0x449/0x710 [ 706.428603][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.428603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.428603][ T10] ___sys_sendmsg+0xee/0x170 [ 706.428603][ T10] __sys_sendmsg+0xcd/0x170 [ 706.428603][ T10] do_syscall_64+0xc6/0x1e0 [ 706.428603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.428603][ T10] [ 706.430819][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 706.430819][ T10] netdev_get_by_index+0x5e/0x80 [ 706.430819][ T10] fib6_nh_init+0x3d8/0x1580 [ 706.430819][ T10] ip6_route_info_create+0xf18/0x17d0 [ 706.430819][ T10] ip6_route_add+0x1c/0x140 [ 706.430819][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 706.430819][ T10] addrconf_add_dev+0xe2/0x170 [ 706.430819][ T10] inet6_addr_add+0x12f/0xa40 [ 706.430819][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 706.430819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.430819][ T10] netlink_rcv_skb+0x130/0x360 [ 706.430819][ T10] netlink_unicast+0x449/0x710 [ 706.430819][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.430819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.430819][ T10] ___sys_sendmsg+0xee/0x170 [ 706.430819][ T10] __sys_sendmsg+0xcd/0x170 [ 706.430819][ T10] do_syscall_64+0xc6/0x1e0 [ 706.430819][ T10] [ 706.433007][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 706.433007][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 706.433007][ T10] ipv6_find_idev+0x102/0x170 [ 706.433007][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 706.433007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.433007][ T10] netlink_rcv_skb+0x130/0x360 [ 706.433007][ T10] netlink_unicast+0x449/0x710 [ 706.433007][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.433007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.433007][ T10] ___sys_sendmsg+0xee/0x170 [ 706.433007][ T10] __sys_sendmsg+0xcd/0x170 [ 706.433007][ T10] do_syscall_64+0xc6/0x1e0 [ 706.433007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.433007][ T10] [ 706.434868][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 706.434868][ T10] neigh_parms_alloc+0x1e5/0x510 [ 706.434868][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 706.434868][ T10] ipv6_find_idev+0x102/0x170 [ 706.434868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 706.434868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.434868][ T10] netlink_rcv_skb+0x130/0x360 [ 706.434868][ T10] netlink_unicast+0x449/0x710 [ 706.434868][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.434868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.434868][ T10] ___sys_sendmsg+0xee/0x170 [ 706.434868][ T10] __sys_sendmsg+0xcd/0x170 [ 706.434868][ T10] do_syscall_64+0xc6/0x1e0 [ 706.434868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.434868][ T10] [ 706.436668][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 706.436908][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 706.436908][ T10] netdev_get_by_index+0x5e/0x80 [ 706.436908][ T10] fib6_nh_init+0x3d8/0x1580 [ 706.436908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 706.436908][ T10] addrconf_f6i_alloc+0x265/0x560 [ 706.436908][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 706.436908][ T10] addrconf_join_anycast+0x1c0/0x220 [ 706.436908][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 706.436908][ T10] addrconf_dad_completed+0x12b/0xe20 [ 706.436908][ T10] addrconf_dad_begin+0x310/0x670 [ 706.436908][ T10] addrconf_dad_work+0x10b/0xab0 [ 706.436908][ T10] process_one_work+0x84d/0x18a0 [ 706.436908][ T10] worker_thread+0x587/0xd30 [ 706.436908][ T10] kthread+0x28a/0x350 [ 706.436908][ T10] ret_from_fork+0x31/0x70 [ 706.436908][ T10] ret_from_fork_asm+0x1a/0x30 [ 706.436908][ T10] [ 706.439046][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 706.439046][ T10] netdev_get_by_index+0x5e/0x80 [ 706.439046][ T10] fib6_nh_init+0x3d8/0x1580 [ 706.439046][ T10] ip6_route_info_create+0xf18/0x17d0 [ 706.439046][ T10] ip6_route_add+0x1c/0x140 [ 706.439046][ T10] addrconf_prefix_route+0x2a6/0x430 [ 706.439046][ T10] inet6_addr_add+0x4f8/0xa40 [ 706.439046][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 706.439046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.439046][ T10] netlink_rcv_skb+0x130/0x360 [ 706.439046][ T10] netlink_unicast+0x449/0x710 [ 706.439046][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.439046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.439046][ T10] ___sys_sendmsg+0xee/0x170 [ 706.439046][ T10] __sys_sendmsg+0xcd/0x170 [ 706.439046][ T10] do_syscall_64+0xc6/0x1e0 [ 706.439046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.439046][ T10] [ 706.441286][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 706.441286][ T10] netdev_get_by_index+0x5e/0x80 [ 706.441286][ T10] fib6_nh_init+0x3d8/0x1580 [ 706.441286][ T10] ip6_route_info_create+0xf18/0x17d0 [ 706.441286][ T10] addrconf_f6i_alloc+0x315/0x560 [ 706.441286][ T10] ipv6_add_addr+0x411/0x2000 [ 706.441286][ T10] inet6_addr_add+0x30e/0xa40 [ 706.441286][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 706.441286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.441286][ T10] netlink_rcv_skb+0x130/0x360 [ 706.441286][ T10] netlink_unicast+0x449/0x710 [ 706.441286][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.441286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.441286][ T10] ___sys_sendmsg+0xee/0x170 [ 706.441286][ T10] __sys_sendmsg+0xcd/0x170 [ 706.441286][ T10] do_syscall_64+0xc6/0x1e0 [ 706.441286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.441286][ T10] [ 706.443504][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 706.443504][ T10] netdev_get_by_index+0x5e/0x80 [ 706.443504][ T10] fib6_nh_init+0x3d8/0x1580 [ 706.443504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 706.443504][ T10] ip6_route_add+0x1c/0x140 [ 706.443504][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 706.443504][ T10] addrconf_add_dev+0xe2/0x170 [ 706.443504][ T10] inet6_addr_add+0x12f/0xa40 [ 706.443504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 706.443504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.443504][ T10] netlink_rcv_skb+0x130/0x360 [ 706.443504][ T10] netlink_unicast+0x449/0x710 [ 706.443504][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.443504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.443504][ T10] ___sys_sendmsg+0xee/0x170 [ 706.443504][ T10] __sys_sendmsg+0xcd/0x170 [ 706.443504][ T10] do_syscall_64+0xc6/0x1e0 [ 706.443504][ T10] [ 706.445698][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 706.445698][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 706.445698][ T10] ipv6_find_idev+0x102/0x170 [ 706.445698][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 706.445698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.445698][ T10] netlink_rcv_skb+0x130/0x360 [ 706.445698][ T10] netlink_unicast+0x449/0x710 [ 706.445698][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.445698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.445698][ T10] ___sys_sendmsg+0xee/0x170 [ 706.445698][ T10] __sys_sendmsg+0xcd/0x170 [ 706.445698][ T10] do_syscall_64+0xc6/0x1e0 [ 706.445698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.445698][ T10] [ 706.447405][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 706.447405][ T10] neigh_parms_alloc+0x1e5/0x510 [ 706.447405][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 706.447405][ T10] ipv6_find_idev+0x102/0x170 [ 706.447405][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 706.447405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.447405][ T10] netlink_rcv_skb+0x130/0x360 [ 706.447405][ T10] netlink_unicast+0x449/0x710 [ 706.447405][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.447405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.447405][ T10] ___sys_sendmsg+0xee/0x170 [ 706.447405][ T10] __sys_sendmsg+0xcd/0x170 [ 706.447405][ T10] do_syscall_64+0xc6/0x1e0 [ 706.447405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.447405][ T10] [ 707.137106][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 707.137636][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 707.137636][ T1167] dst_init+0x84/0x4a0 [ 707.137636][ T1167] dst_alloc+0x97/0x150 [ 707.137636][ T1167] ip6_dst_alloc+0x23/0x90 [ 707.137636][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 707.137636][ T1167] ip6_pol_route+0x56f/0x840 [ 707.137636][ T1167] fib6_rule_lookup+0x334/0x630 [ 707.137636][ T1167] ip6_route_output_flags+0x259/0x480 [ 707.137636][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 707.137636][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 707.137636][ T1167] netlink_rcv_skb+0x130/0x360 [ 707.137636][ T1167] netlink_unicast+0x449/0x710 [ 707.137636][ T1167] netlink_sendmsg+0x723/0xbe0 [ 707.137636][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 707.137636][ T1167] ___sys_sendmsg+0xee/0x170 [ 707.137636][ T1167] __sys_sendmsg+0xcd/0x170 [ 707.137636][ T1167] do_syscall_64+0xc6/0x1e0 [ 707.137636][ T1167] [ 707.139846][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 707.139846][ T1167] netdev_get_by_index+0x5e/0x80 [ 707.139846][ T1167] fib6_nh_init+0x3d8/0x1580 [ 707.139846][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 707.139846][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 707.139846][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 707.139846][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 707.139846][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 707.139846][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 707.139846][ T1167] addrconf_dad_begin+0x310/0x670 [ 707.139846][ T1167] addrconf_dad_work+0x10b/0xab0 [ 707.139846][ T1167] process_one_work+0x84d/0x18a0 [ 707.139846][ T1167] worker_thread+0x587/0xd30 [ 707.139846][ T1167] kthread+0x28a/0x350 [ 707.139846][ T1167] ret_from_fork+0x31/0x70 [ 707.139846][ T1167] ret_from_fork_asm+0x1a/0x30 [ 707.139846][ T1167] [ 707.142002][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 707.142002][ T1167] netdev_get_by_index+0x5e/0x80 [ 707.142002][ T1167] fib6_nh_init+0x3d8/0x1580 [ 707.142002][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 707.142002][ T1167] ip6_route_add+0x1c/0x140 [ 707.142002][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 707.142002][ T1167] inet6_addr_add+0x4f8/0xa40 [ 707.142002][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 707.142002][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 707.142002][ T1167] netlink_rcv_skb+0x130/0x360 [ 707.142002][ T1167] netlink_unicast+0x449/0x710 [ 707.142002][ T1167] netlink_sendmsg+0x723/0xbe0 [ 707.142002][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 707.142002][ T1167] ___sys_sendmsg+0xee/0x170 [ 707.142002][ T1167] __sys_sendmsg+0xcd/0x170 [ 707.142002][ T1167] do_syscall_64+0xc6/0x1e0 [ 707.142002][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 707.142002][ T1167] [ 707.144250][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 707.144250][ T1167] netdev_get_by_index+0x5e/0x80 [ 707.144250][ T1167] fib6_nh_init+0x3d8/0x1580 [ 707.144250][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 707.144250][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 707.144250][ T1167] ipv6_add_addr+0x411/0x2000 [ 707.144250][ T1167] inet6_addr_add+0x30e/0xa40 [ 707.144250][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 707.144250][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 707.144250][ T1167] netlink_rcv_skb+0x130/0x360 [ 707.144250][ T1167] netlink_unicast+0x449/0x710 [ 707.144250][ T1167] netlink_sendmsg+0x723/0xbe0 [ 707.144250][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 707.144250][ T1167] ___sys_sendmsg+0xee/0x170 [ 707.144250][ T1167] __sys_sendmsg+0xcd/0x170 [ 707.144250][ T1167] do_syscall_64+0xc6/0x1e0 [ 707.144250][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 707.144250][ T1167] [ 707.146499][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 707.146499][ T1167] netdev_get_by_index+0x5e/0x80 [ 707.146499][ T1167] fib6_nh_init+0x3d8/0x1580 [ 707.146499][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 707.146499][ T1167] ip6_route_add+0x1c/0x140 [ 707.146499][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 707.146499][ T1167] addrconf_add_dev+0xe2/0x170 [ 707.146499][ T1167] inet6_addr_add+0x12f/0xa40 [ 707.146499][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 707.146499][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 707.146499][ T1167] netlink_rcv_skb+0x130/0x360 [ 707.146499][ T1167] netlink_unicast+0x449/0x710 [ 707.146499][ T1167] netlink_sendmsg+0x723/0xbe0 [ 707.146499][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 707.146499][ T1167] ___sys_sendmsg+0xee/0x170 [ 707.146499][ T1167] __sys_sendmsg+0xcd/0x170 [ 707.146499][ T1167] do_syscall_64+0xc6/0x1e0 [ 707.146499][ T1167] [ 707.148715][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 707.148715][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 707.148715][ T1167] ipv6_find_idev+0x102/0x170 [ 707.148715][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 707.148715][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 707.148715][ T1167] netlink_rcv_skb+0x130/0x360 [ 707.148715][ T1167] netlink_unicast+0x449/0x710 [ 707.148715][ T1167] netlink_sendmsg+0x723/0xbe0 [ 707.148715][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 707.148715][ T1167] ___sys_sendmsg+0xee/0x170 [ 707.148715][ T1167] __sys_sendmsg+0xcd/0x170 [ 707.148715][ T1167] do_syscall_64+0xc6/0x1e0 [ 707.148715][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 707.148715][ T1167] [ 707.150454][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 707.150454][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 707.150454][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 707.150454][ T1167] ipv6_find_idev+0x102/0x170 [ 707.150454][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 707.150454][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 707.150454][ T1167] netlink_rcv_skb+0x130/0x360 [ 707.150454][ T1167] netlink_unicast+0x449/0x710 [ 707.150454][ T1167] netlink_sendmsg+0x723/0xbe0 [ 707.150454][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 707.150454][ T1167] ___sys_sendmsg+0xee/0x170 [ 707.150454][ T1167] __sys_sendmsg+0xcd/0x170 [ 707.150454][ T1167] do_syscall_64+0xc6/0x1e0 [ 707.150454][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 707.150454][ T1167] [ 716.689116][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 716.689526][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 716.689526][ T10] netdev_get_by_index+0x5e/0x80 [ 716.689526][ T10] fib6_nh_init+0x3d8/0x1580 [ 716.689526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 716.689526][ T10] addrconf_f6i_alloc+0x265/0x560 [ 716.689526][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 716.689526][ T10] addrconf_join_anycast+0x1c0/0x220 [ 716.689526][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 716.689526][ T10] addrconf_dad_completed+0x12b/0xe20 [ 716.689526][ T10] addrconf_dad_begin+0x310/0x670 [ 716.689526][ T10] addrconf_dad_work+0x10b/0xab0 [ 716.689526][ T10] process_one_work+0x84d/0x18a0 [ 716.689526][ T10] worker_thread+0x587/0xd30 [ 716.689526][ T10] kthread+0x28a/0x350 [ 716.689526][ T10] ret_from_fork+0x31/0x70 [ 716.689526][ T10] ret_from_fork_asm+0x1a/0x30 [ 716.689526][ T10] [ 716.691592][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 716.691592][ T10] netdev_get_by_index+0x5e/0x80 [ 716.691592][ T10] fib6_nh_init+0x3d8/0x1580 [ 716.691592][ T10] ip6_route_info_create+0xf18/0x17d0 [ 716.691592][ T10] ip6_route_add+0x1c/0x140 [ 716.691592][ T10] addrconf_prefix_route+0x2a6/0x430 [ 716.691592][ T10] inet6_addr_add+0x4f8/0xa40 [ 716.691592][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 716.691592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.691592][ T10] netlink_rcv_skb+0x130/0x360 [ 716.691592][ T10] netlink_unicast+0x449/0x710 [ 716.691592][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.691592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.691592][ T10] ___sys_sendmsg+0xee/0x170 [ 716.691592][ T10] __sys_sendmsg+0xcd/0x170 [ 716.691592][ T10] do_syscall_64+0xc6/0x1e0 [ 716.691592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.691592][ T10] [ 716.693742][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 716.693742][ T10] netdev_get_by_index+0x5e/0x80 [ 716.693742][ T10] fib6_nh_init+0x3d8/0x1580 [ 716.693742][ T10] ip6_route_info_create+0xf18/0x17d0 [ 716.693742][ T10] addrconf_f6i_alloc+0x315/0x560 [ 716.693742][ T10] ipv6_add_addr+0x411/0x2000 [ 716.693742][ T10] inet6_addr_add+0x30e/0xa40 [ 716.693742][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 716.693742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.693742][ T10] netlink_rcv_skb+0x130/0x360 [ 716.693742][ T10] netlink_unicast+0x449/0x710 [ 716.693742][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.693742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.693742][ T10] ___sys_sendmsg+0xee/0x170 [ 716.693742][ T10] __sys_sendmsg+0xcd/0x170 [ 716.693742][ T10] do_syscall_64+0xc6/0x1e0 [ 716.693742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.693742][ T10] [ 716.695884][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 716.695884][ T10] netdev_get_by_index+0x5e/0x80 [ 716.695884][ T10] fib6_nh_init+0x3d8/0x1580 [ 716.695884][ T10] ip6_route_info_create+0xf18/0x17d0 [ 716.695884][ T10] ip6_route_add+0x1c/0x140 [ 716.695884][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 716.695884][ T10] addrconf_add_dev+0xe2/0x170 [ 716.695884][ T10] inet6_addr_add+0x12f/0xa40 [ 716.695884][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 716.695884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.695884][ T10] netlink_rcv_skb+0x130/0x360 [ 716.695884][ T10] netlink_unicast+0x449/0x710 [ 716.695884][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.695884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.695884][ T10] ___sys_sendmsg+0xee/0x170 [ 716.695884][ T10] __sys_sendmsg+0xcd/0x170 [ 716.695884][ T10] do_syscall_64+0xc6/0x1e0 [ 716.695884][ T10] [ 716.697997][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 716.697997][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 716.697997][ T10] ipv6_find_idev+0x102/0x170 [ 716.697997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 716.697997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.697997][ T10] netlink_rcv_skb+0x130/0x360 [ 716.697997][ T10] netlink_unicast+0x449/0x710 [ 716.697997][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.697997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.697997][ T10] ___sys_sendmsg+0xee/0x170 [ 716.697997][ T10] __sys_sendmsg+0xcd/0x170 [ 716.697997][ T10] do_syscall_64+0xc6/0x1e0 [ 716.697997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.697997][ T10] [ 716.699533][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 716.699533][ T10] neigh_parms_alloc+0x1e5/0x510 [ 716.699533][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 716.699533][ T10] ipv6_find_idev+0x102/0x170 [ 716.699533][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 716.699533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.699533][ T10] netlink_rcv_skb+0x130/0x360 [ 716.699533][ T10] netlink_unicast+0x449/0x710 [ 716.699533][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.699533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.699533][ T10] ___sys_sendmsg+0xee/0x170 [ 716.699533][ T10] __sys_sendmsg+0xcd/0x170 [ 716.699533][ T10] do_syscall_64+0xc6/0x1e0 [ 716.699533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.699533][ T10] [ 716.701238][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 716.701490][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 716.701490][ T10] netdev_get_by_index+0x5e/0x80 [ 716.701490][ T10] fib6_nh_init+0x3d8/0x1580 [ 716.701490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 716.701490][ T10] addrconf_f6i_alloc+0x265/0x560 [ 716.701490][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 716.701490][ T10] addrconf_join_anycast+0x1c0/0x220 [ 716.701490][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 716.701490][ T10] addrconf_dad_completed+0x12b/0xe20 [ 716.701490][ T10] addrconf_dad_begin+0x310/0x670 [ 716.701490][ T10] addrconf_dad_work+0x10b/0xab0 [ 716.701490][ T10] process_one_work+0x84d/0x18a0 [ 716.701490][ T10] worker_thread+0x587/0xd30 [ 716.701490][ T10] kthread+0x28a/0x350 [ 716.701490][ T10] ret_from_fork+0x31/0x70 [ 716.701490][ T10] ret_from_fork_asm+0x1a/0x30 [ 716.701490][ T10] [ 716.703395][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 716.703395][ T10] netdev_get_by_index+0x5e/0x80 [ 716.703395][ T10] fib6_nh_init+0x3d8/0x1580 [ 716.703395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 716.703395][ T10] ip6_route_add+0x1c/0x140 [ 716.703395][ T10] addrconf_prefix_route+0x2a6/0x430 [ 716.703395][ T10] inet6_addr_add+0x4f8/0xa40 [ 716.703395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 716.703395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.703395][ T10] netlink_rcv_skb+0x130/0x360 [ 716.703395][ T10] netlink_unicast+0x449/0x710 [ 716.703395][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.703395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.703395][ T10] ___sys_sendmsg+0xee/0x170 [ 716.703395][ T10] __sys_sendmsg+0xcd/0x170 [ 716.703395][ T10] do_syscall_64+0xc6/0x1e0 [ 716.703395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.703395][ T10] [ 716.705511][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 716.705511][ T10] netdev_get_by_index+0x5e/0x80 [ 716.705511][ T10] fib6_nh_init+0x3d8/0x1580 [ 716.705511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 716.705511][ T10] addrconf_f6i_alloc+0x315/0x560 [ 716.705511][ T10] ipv6_add_addr+0x411/0x2000 [ 716.705511][ T10] inet6_addr_add+0x30e/0xa40 [ 716.705511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 716.705511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.705511][ T10] netlink_rcv_skb+0x130/0x360 [ 716.705511][ T10] netlink_unicast+0x449/0x710 [ 716.705511][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.705511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.705511][ T10] ___sys_sendmsg+0xee/0x170 [ 716.705511][ T10] __sys_sendmsg+0xcd/0x170 [ 716.705511][ T10] do_syscall_64+0xc6/0x1e0 [ 716.705511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.705511][ T10] [ 716.707652][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 716.707652][ T10] netdev_get_by_index+0x5e/0x80 [ 716.707652][ T10] fib6_nh_init+0x3d8/0x1580 [ 716.707652][ T10] ip6_route_info_create+0xf18/0x17d0 [ 716.707652][ T10] ip6_route_add+0x1c/0x140 [ 716.707652][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 716.707652][ T10] addrconf_add_dev+0xe2/0x170 [ 716.707652][ T10] inet6_addr_add+0x12f/0xa40 [ 716.707652][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 716.707652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.707652][ T10] netlink_rcv_skb+0x130/0x360 [ 716.707652][ T10] netlink_unicast+0x449/0x710 [ 716.707652][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.707652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.707652][ T10] ___sys_sendmsg+0xee/0x170 [ 716.707652][ T10] __sys_sendmsg+0xcd/0x170 [ 716.707652][ T10] do_syscall_64+0xc6/0x1e0 [ 716.707652][ T10] [ 716.709751][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 716.709751][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 716.709751][ T10] ipv6_find_idev+0x102/0x170 [ 716.709751][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 716.709751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.709751][ T10] netlink_rcv_skb+0x130/0x360 [ 716.709751][ T10] netlink_unicast+0x449/0x710 [ 716.709751][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.709751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.709751][ T10] ___sys_sendmsg+0xee/0x170 [ 716.709751][ T10] __sys_sendmsg+0xcd/0x170 [ 716.709751][ T10] do_syscall_64+0xc6/0x1e0 [ 716.709751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.709751][ T10] [ 716.711409][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 716.711409][ T10] neigh_parms_alloc+0x1e5/0x510 [ 716.711409][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 716.711409][ T10] ipv6_find_idev+0x102/0x170 [ 716.711409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 716.711409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.711409][ T10] netlink_rcv_skb+0x130/0x360 [ 716.711409][ T10] netlink_unicast+0x449/0x710 [ 716.711409][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.711409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.711409][ T10] ___sys_sendmsg+0xee/0x170 [ 716.711409][ T10] __sys_sendmsg+0xcd/0x170 [ 716.711409][ T10] do_syscall_64+0xc6/0x1e0 [ 716.711409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.711409][ T10] [ 716.713230][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 716.713509][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 716.713509][ T10] netdev_get_by_index+0x5e/0x80 [ 716.713509][ T10] fib6_nh_init+0x3d8/0x1580 [ 716.713509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 716.713509][ T10] addrconf_f6i_alloc+0x265/0x560 [ 716.713509][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 716.713509][ T10] addrconf_join_anycast+0x1c0/0x220 [ 716.713509][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 716.713509][ T10] addrconf_dad_completed+0x12b/0xe20 [ 716.713509][ T10] addrconf_dad_begin+0x310/0x670 [ 716.713509][ T10] addrconf_dad_work+0x10b/0xab0 [ 716.713509][ T10] process_one_work+0x84d/0x18a0 [ 716.713509][ T10] worker_thread+0x587/0xd30 [ 716.713509][ T10] kthread+0x28a/0x350 [ 716.713509][ T10] ret_from_fork+0x31/0x70 [ 716.713509][ T10] ret_from_fork_asm+0x1a/0x30 [ 716.713509][ T10] [ 716.715504][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 716.715504][ T10] netdev_get_by_index+0x5e/0x80 [ 716.715504][ T10] fib6_nh_init+0x3d8/0x1580 [ 716.715504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 716.715504][ T10] ip6_route_add+0x1c/0x140 [ 716.715504][ T10] addrconf_prefix_route+0x2a6/0x430 [ 716.715504][ T10] inet6_addr_add+0x4f8/0xa40 [ 716.715504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 716.715504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.715504][ T10] netlink_rcv_skb+0x130/0x360 [ 716.715504][ T10] netlink_unicast+0x449/0x710 [ 716.715504][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.715504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.715504][ T10] ___sys_sendmsg+0xee/0x170 [ 716.715504][ T10] __sys_sendmsg+0xcd/0x170 [ 716.715504][ T10] do_syscall_64+0xc6/0x1e0 [ 716.715504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.715504][ T10] [ 716.717841][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 716.717841][ T10] netdev_get_by_index+0x5e/0x80 [ 716.717841][ T10] fib6_nh_init+0x3d8/0x1580 [ 716.717841][ T10] ip6_route_info_create+0xf18/0x17d0 [ 716.717841][ T10] addrconf_f6i_alloc+0x315/0x560 [ 716.717841][ T10] ipv6_add_addr+0x411/0x2000 [ 716.717841][ T10] inet6_addr_add+0x30e/0xa40 [ 716.717841][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 716.717841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.717841][ T10] netlink_rcv_skb+0x130/0x360 [ 716.717841][ T10] netlink_unicast+0x449/0x710 [ 716.717841][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.717841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.717841][ T10] ___sys_sendmsg+0xee/0x170 [ 716.717841][ T10] __sys_sendmsg+0xcd/0x170 [ 716.717841][ T10] do_syscall_64+0xc6/0x1e0 [ 716.717841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.717841][ T10] [ 716.720213][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 716.720213][ T10] netdev_get_by_index+0x5e/0x80 [ 716.720213][ T10] fib6_nh_init+0x3d8/0x1580 [ 716.720213][ T10] ip6_route_info_create+0xf18/0x17d0 [ 716.720213][ T10] ip6_route_add+0x1c/0x140 [ 716.720213][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 716.720213][ T10] addrconf_add_dev+0xe2/0x170 [ 716.720213][ T10] inet6_addr_add+0x12f/0xa40 [ 716.720213][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 716.720213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.720213][ T10] netlink_rcv_skb+0x130/0x360 [ 716.720213][ T10] netlink_unicast+0x449/0x710 [ 716.720213][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.720213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.720213][ T10] ___sys_sendmsg+0xee/0x170 [ 716.720213][ T10] __sys_sendmsg+0xcd/0x170 [ 716.720213][ T10] do_syscall_64+0xc6/0x1e0 [ 716.720213][ T10] [ 716.722642][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 716.722642][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 716.722642][ T10] ipv6_find_idev+0x102/0x170 [ 716.722642][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 716.722642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.722642][ T10] netlink_rcv_skb+0x130/0x360 [ 716.722642][ T10] netlink_unicast+0x449/0x710 [ 716.722642][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.722642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.722642][ T10] ___sys_sendmsg+0xee/0x170 [ 716.722642][ T10] __sys_sendmsg+0xcd/0x170 [ 716.722642][ T10] do_syscall_64+0xc6/0x1e0 [ 716.722642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.722642][ T10] [ 716.724431][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 716.724431][ T10] neigh_parms_alloc+0x1e5/0x510 [ 716.724431][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 716.724431][ T10] ipv6_find_idev+0x102/0x170 [ 716.724431][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 716.724431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.724431][ T10] netlink_rcv_skb+0x130/0x360 [ 716.724431][ T10] netlink_unicast+0x449/0x710 [ 716.724431][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.724431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.724431][ T10] ___sys_sendmsg+0xee/0x170 [ 716.724431][ T10] __sys_sendmsg+0xcd/0x170 [ 716.724431][ T10] do_syscall_64+0xc6/0x1e0 [ 716.724431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.724431][ T10] [ 716.726336][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 716.726621][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 716.726621][ T10] netdev_get_by_index+0x5e/0x80 [ 716.726621][ T10] fib6_nh_init+0x3d8/0x1580 [ 716.726621][ T10] ip6_route_info_create+0xf18/0x17d0 [ 716.726621][ T10] addrconf_f6i_alloc+0x265/0x560 [ 716.726621][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 716.726621][ T10] addrconf_join_anycast+0x1c0/0x220 [ 716.726621][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 716.726621][ T10] addrconf_dad_completed+0x12b/0xe20 [ 716.726621][ T10] addrconf_dad_begin+0x310/0x670 [ 716.726621][ T10] addrconf_dad_work+0x10b/0xab0 [ 716.726621][ T10] process_one_work+0x84d/0x18a0 [ 716.726621][ T10] worker_thread+0x587/0xd30 [ 716.726621][ T10] kthread+0x28a/0x350 [ 716.726621][ T10] ret_from_fork+0x31/0x70 [ 716.726621][ T10] ret_from_fork_asm+0x1a/0x30 [ 716.726621][ T10] [ 716.728950][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 716.728950][ T10] netdev_get_by_index+0x5e/0x80 [ 716.728950][ T10] fib6_nh_init+0x3d8/0x1580 [ 716.728950][ T10] ip6_route_info_create+0xf18/0x17d0 [ 716.728950][ T10] ip6_route_add+0x1c/0x140 [ 716.728950][ T10] addrconf_prefix_route+0x2a6/0x430 [ 716.728950][ T10] inet6_addr_add+0x4f8/0xa40 [ 716.728950][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 716.728950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.728950][ T10] netlink_rcv_skb+0x130/0x360 [ 716.728950][ T10] netlink_unicast+0x449/0x710 [ 716.728950][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.728950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.728950][ T10] ___sys_sendmsg+0xee/0x170 [ 716.728950][ T10] __sys_sendmsg+0xcd/0x170 [ 716.728950][ T10] do_syscall_64+0xc6/0x1e0 [ 716.728950][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.728950][ T10] [ 716.731330][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 716.731330][ T10] netdev_get_by_index+0x5e/0x80 [ 716.731330][ T10] fib6_nh_init+0x3d8/0x1580 [ 716.731330][ T10] ip6_route_info_create+0xf18/0x17d0 [ 716.731330][ T10] addrconf_f6i_alloc+0x315/0x560 [ 716.731330][ T10] ipv6_add_addr+0x411/0x2000 [ 716.731330][ T10] inet6_addr_add+0x30e/0xa40 [ 716.731330][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 716.731330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.731330][ T10] netlink_rcv_skb+0x130/0x360 [ 716.731330][ T10] netlink_unicast+0x449/0x710 [ 716.731330][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.731330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.731330][ T10] ___sys_sendmsg+0xee/0x170 [ 716.731330][ T10] __sys_sendmsg+0xcd/0x170 [ 716.731330][ T10] do_syscall_64+0xc6/0x1e0 [ 716.731330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.731330][ T10] [ 716.733503][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 716.733503][ T10] netdev_get_by_index+0x5e/0x80 [ 716.733503][ T10] fib6_nh_init+0x3d8/0x1580 [ 716.733503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 716.733503][ T10] ip6_route_add+0x1c/0x140 [ 716.733503][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 716.733503][ T10] addrconf_add_dev+0xe2/0x170 [ 716.733503][ T10] inet6_addr_add+0x12f/0xa40 [ 716.733503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 716.733503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.733503][ T10] netlink_rcv_skb+0x130/0x360 [ 716.733503][ T10] netlink_unicast+0x449/0x710 [ 716.733503][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.733503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.733503][ T10] ___sys_sendmsg+0xee/0x170 [ 716.733503][ T10] __sys_sendmsg+0xcd/0x170 [ 716.733503][ T10] do_syscall_64+0xc6/0x1e0 [ 716.733503][ T10] [ 716.735705][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 716.735705][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 716.735705][ T10] ipv6_find_idev+0x102/0x170 [ 716.735705][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 716.735705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.735705][ T10] netlink_rcv_skb+0x130/0x360 [ 716.735705][ T10] netlink_unicast+0x449/0x710 [ 716.735705][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.735705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.735705][ T10] ___sys_sendmsg+0xee/0x170 [ 716.735705][ T10] __sys_sendmsg+0xcd/0x170 [ 716.735705][ T10] do_syscall_64+0xc6/0x1e0 [ 716.735705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.735705][ T10] [ 716.737563][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 716.737563][ T10] neigh_parms_alloc+0x1e5/0x510 [ 716.737563][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 716.737563][ T10] ipv6_find_idev+0x102/0x170 [ 716.737563][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 716.737563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.737563][ T10] netlink_rcv_skb+0x130/0x360 [ 716.737563][ T10] netlink_unicast+0x449/0x710 [ 716.737563][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.737563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.737563][ T10] ___sys_sendmsg+0xee/0x170 [ 716.737563][ T10] __sys_sendmsg+0xcd/0x170 [ 716.737563][ T10] do_syscall_64+0xc6/0x1e0 [ 716.737563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.737563][ T10] [ 717.393127][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 717.393600][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 717.393600][ T1167] dst_init+0x84/0x4a0 [ 717.393600][ T1167] dst_alloc+0x97/0x150 [ 717.393600][ T1167] ip6_dst_alloc+0x23/0x90 [ 717.393600][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 717.393600][ T1167] ip6_pol_route+0x56f/0x840 [ 717.393600][ T1167] fib6_rule_lookup+0x334/0x630 [ 717.393600][ T1167] ip6_route_output_flags+0x259/0x480 [ 717.393600][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 717.393600][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 717.393600][ T1167] netlink_rcv_skb+0x130/0x360 [ 717.393600][ T1167] netlink_unicast+0x449/0x710 [ 717.393600][ T1167] netlink_sendmsg+0x723/0xbe0 [ 717.393600][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 717.393600][ T1167] ___sys_sendmsg+0xee/0x170 [ 717.393600][ T1167] __sys_sendmsg+0xcd/0x170 [ 717.393600][ T1167] do_syscall_64+0xc6/0x1e0 [ 717.393600][ T1167] [ 717.395847][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 717.395847][ T1167] netdev_get_by_index+0x5e/0x80 [ 717.395847][ T1167] fib6_nh_init+0x3d8/0x1580 [ 717.395847][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 717.395847][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 717.395847][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 717.395847][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 717.395847][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 717.395847][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 717.395847][ T1167] addrconf_dad_begin+0x310/0x670 [ 717.395847][ T1167] addrconf_dad_work+0x10b/0xab0 [ 717.395847][ T1167] process_one_work+0x84d/0x18a0 [ 717.395847][ T1167] worker_thread+0x587/0xd30 [ 717.395847][ T1167] kthread+0x28a/0x350 [ 717.395847][ T1167] ret_from_fork+0x31/0x70 [ 717.395847][ T1167] ret_from_fork_asm+0x1a/0x30 [ 717.395847][ T1167] [ 717.398001][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 717.398001][ T1167] netdev_get_by_index+0x5e/0x80 [ 717.398001][ T1167] fib6_nh_init+0x3d8/0x1580 [ 717.398001][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 717.398001][ T1167] ip6_route_add+0x1c/0x140 [ 717.398001][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 717.398001][ T1167] inet6_addr_add+0x4f8/0xa40 [ 717.398001][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 717.398001][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 717.398001][ T1167] netlink_rcv_skb+0x130/0x360 [ 717.398001][ T1167] netlink_unicast+0x449/0x710 [ 717.398001][ T1167] netlink_sendmsg+0x723/0xbe0 [ 717.398001][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 717.398001][ T1167] ___sys_sendmsg+0xee/0x170 [ 717.398001][ T1167] __sys_sendmsg+0xcd/0x170 [ 717.398001][ T1167] do_syscall_64+0xc6/0x1e0 [ 717.398001][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 717.398001][ T1167] [ 717.400253][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 717.400253][ T1167] netdev_get_by_index+0x5e/0x80 [ 717.400253][ T1167] fib6_nh_init+0x3d8/0x1580 [ 717.400253][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 717.400253][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 717.400253][ T1167] ipv6_add_addr+0x411/0x2000 [ 717.400253][ T1167] inet6_addr_add+0x30e/0xa40 [ 717.400253][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 717.400253][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 717.400253][ T1167] netlink_rcv_skb+0x130/0x360 [ 717.400253][ T1167] netlink_unicast+0x449/0x710 [ 717.400253][ T1167] netlink_sendmsg+0x723/0xbe0 [ 717.400253][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 717.400253][ T1167] ___sys_sendmsg+0xee/0x170 [ 717.400253][ T1167] __sys_sendmsg+0xcd/0x170 [ 717.400253][ T1167] do_syscall_64+0xc6/0x1e0 [ 717.400253][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 717.400253][ T1167] [ 717.402532][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 717.402532][ T1167] netdev_get_by_index+0x5e/0x80 [ 717.402532][ T1167] fib6_nh_init+0x3d8/0x1580 [ 717.402532][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 717.402532][ T1167] ip6_route_add+0x1c/0x140 [ 717.402532][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 717.402532][ T1167] addrconf_add_dev+0xe2/0x170 [ 717.402532][ T1167] inet6_addr_add+0x12f/0xa40 [ 717.402532][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 717.402532][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 717.402532][ T1167] netlink_rcv_skb+0x130/0x360 [ 717.402532][ T1167] netlink_unicast+0x449/0x710 [ 717.402532][ T1167] netlink_sendmsg+0x723/0xbe0 [ 717.402532][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 717.402532][ T1167] ___sys_sendmsg+0xee/0x170 [ 717.402532][ T1167] __sys_sendmsg+0xcd/0x170 [ 717.402532][ T1167] do_syscall_64+0xc6/0x1e0 [ 717.402532][ T1167] [ 717.404764][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 717.404764][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 717.404764][ T1167] ipv6_find_idev+0x102/0x170 [ 717.404764][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 717.404764][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 717.404764][ T1167] netlink_rcv_skb+0x130/0x360 [ 717.404764][ T1167] netlink_unicast+0x449/0x710 [ 717.404764][ T1167] netlink_sendmsg+0x723/0xbe0 [ 717.404764][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 717.404764][ T1167] ___sys_sendmsg+0xee/0x170 [ 717.404764][ T1167] __sys_sendmsg+0xcd/0x170 [ 717.404764][ T1167] do_syscall_64+0xc6/0x1e0 [ 717.404764][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 717.404764][ T1167] [ 717.406524][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 717.406524][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 717.406524][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 717.406524][ T1167] ipv6_find_idev+0x102/0x170 [ 717.406524][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 717.406524][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 717.406524][ T1167] netlink_rcv_skb+0x130/0x360 [ 717.406524][ T1167] netlink_unicast+0x449/0x710 [ 717.406524][ T1167] netlink_sendmsg+0x723/0xbe0 [ 717.406524][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 717.406524][ T1167] ___sys_sendmsg+0xee/0x170 [ 717.406524][ T1167] __sys_sendmsg+0xcd/0x170 [ 717.406524][ T1167] do_syscall_64+0xc6/0x1e0 [ 717.406524][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 717.406524][ T1167] [ 726.977131][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 726.977664][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 726.977664][ T10] netdev_get_by_index+0x5e/0x80 [ 726.977664][ T10] fib6_nh_init+0x3d8/0x1580 [ 726.977664][ T10] ip6_route_info_create+0xf18/0x17d0 [ 726.977664][ T10] addrconf_f6i_alloc+0x265/0x560 [ 726.977664][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 726.977664][ T10] addrconf_join_anycast+0x1c0/0x220 [ 726.977664][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 726.977664][ T10] addrconf_dad_completed+0x12b/0xe20 [ 726.977664][ T10] addrconf_dad_begin+0x310/0x670 [ 726.977664][ T10] addrconf_dad_work+0x10b/0xab0 [ 726.977664][ T10] process_one_work+0x84d/0x18a0 [ 726.977664][ T10] worker_thread+0x587/0xd30 [ 726.977664][ T10] kthread+0x28a/0x350 [ 726.977664][ T10] ret_from_fork+0x31/0x70 [ 726.977664][ T10] ret_from_fork_asm+0x1a/0x30 [ 726.977664][ T10] [ 726.980657][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 726.980657][ T10] netdev_get_by_index+0x5e/0x80 [ 726.980657][ T10] fib6_nh_init+0x3d8/0x1580 [ 726.980657][ T10] ip6_route_info_create+0xf18/0x17d0 [ 726.980657][ T10] ip6_route_add+0x1c/0x140 [ 726.980657][ T10] addrconf_prefix_route+0x2a6/0x430 [ 726.980657][ T10] inet6_addr_add+0x4f8/0xa40 [ 726.980657][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 726.980657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.980657][ T10] netlink_rcv_skb+0x130/0x360 [ 726.980657][ T10] netlink_unicast+0x449/0x710 [ 726.980657][ T10] netlink_sendmsg+0x723/0xbe0 [ 726.980657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 726.980657][ T10] ___sys_sendmsg+0xee/0x170 [ 726.980657][ T10] __sys_sendmsg+0xcd/0x170 [ 726.980657][ T10] do_syscall_64+0xc6/0x1e0 [ 726.980657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.980657][ T10] [ 726.983732][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 726.983732][ T10] netdev_get_by_index+0x5e/0x80 [ 726.983732][ T10] fib6_nh_init+0x3d8/0x1580 [ 726.983732][ T10] ip6_route_info_create+0xf18/0x17d0 [ 726.983732][ T10] addrconf_f6i_alloc+0x315/0x560 [ 726.983732][ T10] ipv6_add_addr+0x411/0x2000 [ 726.983732][ T10] inet6_addr_add+0x30e/0xa40 [ 726.983732][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 726.983732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.983732][ T10] netlink_rcv_skb+0x130/0x360 [ 726.983732][ T10] netlink_unicast+0x449/0x710 [ 726.983732][ T10] netlink_sendmsg+0x723/0xbe0 [ 726.983732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 726.983732][ T10] ___sys_sendmsg+0xee/0x170 [ 726.983732][ T10] __sys_sendmsg+0xcd/0x170 [ 726.983732][ T10] do_syscall_64+0xc6/0x1e0 [ 726.983732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.983732][ T10] [ 726.986810][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 726.986810][ T10] netdev_get_by_index+0x5e/0x80 [ 726.986810][ T10] fib6_nh_init+0x3d8/0x1580 [ 726.986810][ T10] ip6_route_info_create+0xf18/0x17d0 [ 726.986810][ T10] ip6_route_add+0x1c/0x140 [ 726.986810][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 726.986810][ T10] addrconf_add_dev+0xe2/0x170 [ 726.986810][ T10] inet6_addr_add+0x12f/0xa40 [ 726.986810][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 726.986810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.986810][ T10] netlink_rcv_skb+0x130/0x360 [ 726.986810][ T10] netlink_unicast+0x449/0x710 [ 726.986810][ T10] netlink_sendmsg+0x723/0xbe0 [ 726.986810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 726.986810][ T10] ___sys_sendmsg+0xee/0x170 [ 726.986810][ T10] __sys_sendmsg+0xcd/0x170 [ 726.986810][ T10] do_syscall_64+0xc6/0x1e0 [ 726.986810][ T10] [ 726.989899][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 726.989899][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 726.989899][ T10] ipv6_find_idev+0x102/0x170 [ 726.989899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 726.989899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.989899][ T10] netlink_rcv_skb+0x130/0x360 [ 726.989899][ T10] netlink_unicast+0x449/0x710 [ 726.989899][ T10] netlink_sendmsg+0x723/0xbe0 [ 726.989899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 726.989899][ T10] ___sys_sendmsg+0xee/0x170 [ 726.989899][ T10] __sys_sendmsg+0xcd/0x170 [ 726.989899][ T10] do_syscall_64+0xc6/0x1e0 [ 726.989899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.989899][ T10] [ 726.992276][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 726.992276][ T10] neigh_parms_alloc+0x1e5/0x510 [ 726.992276][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 726.992276][ T10] ipv6_find_idev+0x102/0x170 [ 726.992276][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 726.992276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.992276][ T10] netlink_rcv_skb+0x130/0x360 [ 726.992276][ T10] netlink_unicast+0x449/0x710 [ 726.992276][ T10] netlink_sendmsg+0x723/0xbe0 [ 726.992276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 726.992276][ T10] ___sys_sendmsg+0xee/0x170 [ 726.992276][ T10] __sys_sendmsg+0xcd/0x170 [ 726.992276][ T10] do_syscall_64+0xc6/0x1e0 [ 726.992276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.992276][ T10] [ 726.994900][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 726.995308][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 726.995308][ T10] netdev_get_by_index+0x5e/0x80 [ 726.995308][ T10] fib6_nh_init+0x3d8/0x1580 [ 726.995308][ T10] ip6_route_info_create+0xf18/0x17d0 [ 726.995308][ T10] addrconf_f6i_alloc+0x265/0x560 [ 726.995308][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 726.995308][ T10] addrconf_join_anycast+0x1c0/0x220 [ 726.995308][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 726.995308][ T10] addrconf_dad_completed+0x12b/0xe20 [ 726.995308][ T10] addrconf_dad_begin+0x310/0x670 [ 726.995308][ T10] addrconf_dad_work+0x10b/0xab0 [ 726.995308][ T10] process_one_work+0x84d/0x18a0 [ 726.995308][ T10] worker_thread+0x587/0xd30 [ 726.995308][ T10] kthread+0x28a/0x350 [ 726.995308][ T10] ret_from_fork+0x31/0x70 [ 726.995308][ T10] ret_from_fork_asm+0x1a/0x30 [ 726.995308][ T10] [ 726.998287][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 726.998287][ T10] netdev_get_by_index+0x5e/0x80 [ 726.998287][ T10] fib6_nh_init+0x3d8/0x1580 [ 726.998287][ T10] ip6_route_info_create+0xf18/0x17d0 [ 726.998287][ T10] ip6_route_add+0x1c/0x140 [ 726.998287][ T10] addrconf_prefix_route+0x2a6/0x430 [ 726.998287][ T10] inet6_addr_add+0x4f8/0xa40 [ 726.998287][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 726.998287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.998287][ T10] netlink_rcv_skb+0x130/0x360 [ 726.998287][ T10] netlink_unicast+0x449/0x710 [ 726.998287][ T10] netlink_sendmsg+0x723/0xbe0 [ 726.998287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 726.998287][ T10] ___sys_sendmsg+0xee/0x170 [ 726.998287][ T10] __sys_sendmsg+0xcd/0x170 [ 726.998287][ T10] do_syscall_64+0xc6/0x1e0 [ 726.998287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.998287][ T10] [ 727.001371][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 727.001371][ T10] netdev_get_by_index+0x5e/0x80 [ 727.001371][ T10] fib6_nh_init+0x3d8/0x1580 [ 727.001371][ T10] ip6_route_info_create+0xf18/0x17d0 [ 727.001371][ T10] addrconf_f6i_alloc+0x315/0x560 [ 727.001371][ T10] ipv6_add_addr+0x411/0x2000 [ 727.001371][ T10] inet6_addr_add+0x30e/0xa40 [ 727.001371][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 727.001371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 727.001371][ T10] netlink_rcv_skb+0x130/0x360 [ 727.001371][ T10] netlink_unicast+0x449/0x710 [ 727.001371][ T10] netlink_sendmsg+0x723/0xbe0 [ 727.001371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 727.001371][ T10] ___sys_sendmsg+0xee/0x170 [ 727.001371][ T10] __sys_sendmsg+0xcd/0x170 [ 727.001371][ T10] do_syscall_64+0xc6/0x1e0 [ 727.001371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 727.001371][ T10] [ 727.004516][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 727.004516][ T10] netdev_get_by_index+0x5e/0x80 [ 727.004516][ T10] fib6_nh_init+0x3d8/0x1580 [ 727.004516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 727.004516][ T10] ip6_route_add+0x1c/0x140 [ 727.004516][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 727.004516][ T10] addrconf_add_dev+0xe2/0x170 [ 727.004516][ T10] inet6_addr_add+0x12f/0xa40 [ 727.004516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 727.004516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 727.004516][ T10] netlink_rcv_skb+0x130/0x360 [ 727.004516][ T10] netlink_unicast+0x449/0x710 [ 727.004516][ T10] netlink_sendmsg+0x723/0xbe0 [ 727.004516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 727.004516][ T10] ___sys_sendmsg+0xee/0x170 [ 727.004516][ T10] __sys_sendmsg+0xcd/0x170 [ 727.004516][ T10] do_syscall_64+0xc6/0x1e0 [ 727.004516][ T10] [ 727.007462][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 727.007462][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 727.007462][ T10] ipv6_find_idev+0x102/0x170 [ 727.007462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 727.007462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 727.007462][ T10] netlink_rcv_skb+0x130/0x360 [ 727.007462][ T10] netlink_unicast+0x449/0x710 [ 727.007462][ T10] netlink_sendmsg+0x723/0xbe0 [ 727.007462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 727.007462][ T10] ___sys_sendmsg+0xee/0x170 [ 727.007462][ T10] __sys_sendmsg+0xcd/0x170 [ 727.007462][ T10] do_syscall_64+0xc6/0x1e0 [ 727.007462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 727.007462][ T10] [ 727.009688][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 727.009688][ T10] neigh_parms_alloc+0x1e5/0x510 [ 727.009688][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 727.009688][ T10] ipv6_find_idev+0x102/0x170 [ 727.009688][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 727.009688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 727.009688][ T10] netlink_rcv_skb+0x130/0x360 [ 727.009688][ T10] netlink_unicast+0x449/0x710 [ 727.009688][ T10] netlink_sendmsg+0x723/0xbe0 [ 727.009688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 727.009688][ T10] ___sys_sendmsg+0xee/0x170 [ 727.009688][ T10] __sys_sendmsg+0xcd/0x170 [ 727.009688][ T10] do_syscall_64+0xc6/0x1e0 [ 727.009688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 727.009688][ T10] [ 727.012497][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 727.012923][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 727.012923][ T10] netdev_get_by_index+0x5e/0x80 [ 727.012923][ T10] fib6_nh_init+0x3d8/0x1580 [ 727.012923][ T10] ip6_route_info_create+0xf18/0x17d0 [ 727.012923][ T10] addrconf_f6i_alloc+0x265/0x560 [ 727.012923][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 727.012923][ T10] addrconf_join_anycast+0x1c0/0x220 [ 727.012923][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 727.012923][ T10] addrconf_dad_completed+0x12b/0xe20 [ 727.012923][ T10] addrconf_dad_begin+0x310/0x670 [ 727.012923][ T10] addrconf_dad_work+0x10b/0xab0 [ 727.012923][ T10] process_one_work+0x84d/0x18a0 [ 727.012923][ T10] worker_thread+0x587/0xd30 [ 727.012923][ T10] kthread+0x28a/0x350 [ 727.012923][ T10] ret_from_fork+0x31/0x70 [ 727.012923][ T10] ret_from_fork_asm+0x1a/0x30 [ 727.012923][ T10] [ 727.016118][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 727.016118][ T10] netdev_get_by_index+0x5e/0x80 [ 727.016118][ T10] fib6_nh_init+0x3d8/0x1580 [ 727.016118][ T10] ip6_route_info_create+0xf18/0x17d0 [ 727.016118][ T10] ip6_route_add+0x1c/0x140 [ 727.016118][ T10] addrconf_prefix_route+0x2a6/0x430 [ 727.016118][ T10] inet6_addr_add+0x4f8/0xa40 [ 727.016118][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 727.016118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 727.016118][ T10] netlink_rcv_skb+0x130/0x360 [ 727.016118][ T10] netlink_unicast+0x449/0x710 [ 727.016118][ T10] netlink_sendmsg+0x723/0xbe0 [ 727.016118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 727.016118][ T10] ___sys_sendmsg+0xee/0x170 [ 727.016118][ T10] __sys_sendmsg+0xcd/0x170 [ 727.016118][ T10] do_syscall_64+0xc6/0x1e0 [ 727.016118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 727.016118][ T10] [ 727.019189][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 727.019189][ T10] netdev_get_by_index+0x5e/0x80 [ 727.019189][ T10] fib6_nh_init+0x3d8/0x1580 [ 727.019189][ T10] ip6_route_info_create+0xf18/0x17d0 [ 727.019189][ T10] addrconf_f6i_alloc+0x315/0x560 [ 727.019189][ T10] ipv6_add_addr+0x411/0x2000 [ 727.019189][ T10] inet6_addr_add+0x30e/0xa40 [ 727.019189][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 727.019189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 727.019189][ T10] netlink_rcv_skb+0x130/0x360 [ 727.019189][ T10] netlink_unicast+0x449/0x710 [ 727.019189][ T10] netlink_sendmsg+0x723/0xbe0 [ 727.019189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 727.019189][ T10] ___sys_sendmsg+0xee/0x170 [ 727.019189][ T10] __sys_sendmsg+0xcd/0x170 [ 727.019189][ T10] do_syscall_64+0xc6/0x1e0 [ 727.019189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 727.019189][ T10] [ 727.022112][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 727.022112][ T10] netdev_get_by_index+0x5e/0x80 [ 727.022112][ T10] fib6_nh_init+0x3d8/0x1580 [ 727.022112][ T10] ip6_route_info_create+0xf18/0x17d0 [ 727.022112][ T10] ip6_route_add+0x1c/0x140 [ 727.022112][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 727.022112][ T10] addrconf_add_dev+0xe2/0x170 [ 727.022112][ T10] inet6_addr_add+0x12f/0xa40 [ 727.022112][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 727.022112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 727.022112][ T10] netlink_rcv_skb+0x130/0x360 [ 727.022112][ T10] netlink_unicast+0x449/0x710 [ 727.022112][ T10] netlink_sendmsg+0x723/0xbe0 [ 727.022112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 727.022112][ T10] ___sys_sendmsg+0xee/0x170 [ 727.022112][ T10] __sys_sendmsg+0xcd/0x170 [ 727.022112][ T10] do_syscall_64+0xc6/0x1e0 [ 727.022112][ T10] [ 727.025043][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 727.025043][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 727.025043][ T10] ipv6_find_idev+0x102/0x170 [ 727.025043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 727.025043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 727.025043][ T10] netlink_rcv_skb+0x130/0x360 [ 727.025043][ T10] netlink_unicast+0x449/0x710 [ 727.025043][ T10] netlink_sendmsg+0x723/0xbe0 [ 727.025043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 727.025043][ T10] ___sys_sendmsg+0xee/0x170 [ 727.025043][ T10] __sys_sendmsg+0xcd/0x170 [ 727.025043][ T10] do_syscall_64+0xc6/0x1e0 [ 727.025043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 727.025043][ T10] [ 727.027265][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 727.027265][ T10] neigh_parms_alloc+0x1e5/0x510 [ 727.027265][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 727.027265][ T10] ipv6_find_idev+0x102/0x170 [ 727.027265][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 727.027265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 727.027265][ T10] netlink_rcv_skb+0x130/0x360 [ 727.027265][ T10] netlink_unicast+0x449/0x710 [ 727.027265][ T10] netlink_sendmsg+0x723/0xbe0 [ 727.027265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 727.027265][ T10] ___sys_sendmsg+0xee/0x170 [ 727.027265][ T10] __sys_sendmsg+0xcd/0x170 [ 727.027265][ T10] do_syscall_64+0xc6/0x1e0 [ 727.027265][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 727.027265][ T10] [ 727.029625][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 727.029911][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 727.029911][ T10] netdev_get_by_index+0x5e/0x80 [ 727.029911][ T10] fib6_nh_init+0x3d8/0x1580 [ 727.029911][ T10] ip6_route_info_create+0xf18/0x17d0 [ 727.029911][ T10] addrconf_f6i_alloc+0x265/0x560 [ 727.029911][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 727.029911][ T10] addrconf_join_anycast+0x1c0/0x220 [ 727.029911][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 727.029911][ T10] addrconf_dad_completed+0x12b/0xe20 [ 727.029911][ T10] addrconf_dad_begin+0x310/0x670 [ 727.029911][ T10] addrconf_dad_work+0x10b/0xab0 [ 727.029911][ T10] process_one_work+0x84d/0x18a0 [ 727.029911][ T10] worker_thread+0x587/0xd30 [ 727.029911][ T10] kthread+0x28a/0x350 [ 727.029911][ T10] ret_from_fork+0x31/0x70 [ 727.029911][ T10] ret_from_fork_asm+0x1a/0x30 [ 727.029911][ T10] [ 727.032485][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 727.032485][ T10] netdev_get_by_index+0x5e/0x80 [ 727.032485][ T10] fib6_nh_init+0x3d8/0x1580 [ 727.032485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 727.032485][ T10] ip6_route_add+0x1c/0x140 [ 727.032485][ T10] addrconf_prefix_route+0x2a6/0x430 [ 727.032485][ T10] inet6_addr_add+0x4f8/0xa40 [ 727.032485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 727.032485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 727.032485][ T10] netlink_rcv_skb+0x130/0x360 [ 727.032485][ T10] netlink_unicast+0x449/0x710 [ 727.032485][ T10] netlink_sendmsg+0x723/0xbe0 [ 727.032485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 727.032485][ T10] ___sys_sendmsg+0xee/0x170 [ 727.032485][ T10] __sys_sendmsg+0xcd/0x170 [ 727.032485][ T10] do_syscall_64+0xc6/0x1e0 [ 727.032485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 727.032485][ T10] [ 727.035174][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 727.035174][ T10] netdev_get_by_index+0x5e/0x80 [ 727.035174][ T10] fib6_nh_init+0x3d8/0x1580 [ 727.035174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 727.035174][ T10] addrconf_f6i_alloc+0x315/0x560 [ 727.035174][ T10] ipv6_add_addr+0x411/0x2000 [ 727.035174][ T10] inet6_addr_add+0x30e/0xa40 [ 727.035174][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 727.035174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 727.035174][ T10] netlink_rcv_skb+0x130/0x360 [ 727.035174][ T10] netlink_unicast+0x449/0x710 [ 727.035174][ T10] netlink_sendmsg+0x723/0xbe0 [ 727.035174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 727.035174][ T10] ___sys_sendmsg+0xee/0x170 [ 727.035174][ T10] __sys_sendmsg+0xcd/0x170 [ 727.035174][ T10] do_syscall_64+0xc6/0x1e0 [ 727.035174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 727.035174][ T10] [ 727.038461][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 727.038461][ T10] netdev_get_by_index+0x5e/0x80 [ 727.038461][ T10] fib6_nh_init+0x3d8/0x1580 [ 727.038461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 727.038461][ T10] ip6_route_add+0x1c/0x140 [ 727.038461][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 727.038461][ T10] addrconf_add_dev+0xe2/0x170 [ 727.038461][ T10] inet6_addr_add+0x12f/0xa40 [ 727.038461][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 727.038461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 727.038461][ T10] netlink_rcv_skb+0x130/0x360 [ 727.038461][ T10] netlink_unicast+0x449/0x710 [ 727.038461][ T10] netlink_sendmsg+0x723/0xbe0 [ 727.038461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 727.038461][ T10] ___sys_sendmsg+0xee/0x170 [ 727.038461][ T10] __sys_sendmsg+0xcd/0x170 [ 727.038461][ T10] do_syscall_64+0xc6/0x1e0 [ 727.038461][ T10] [ 727.041193][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 727.041193][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 727.041193][ T10] ipv6_find_idev+0x102/0x170 [ 727.041193][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 727.041193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 727.041193][ T10] netlink_rcv_skb+0x130/0x360 [ 727.041193][ T10] netlink_unicast+0x449/0x710 [ 727.041193][ T10] netlink_sendmsg+0x723/0xbe0 [ 727.041193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 727.041193][ T10] ___sys_sendmsg+0xee/0x170 [ 727.041193][ T10] __sys_sendmsg+0xcd/0x170 [ 727.041193][ T10] do_syscall_64+0xc6/0x1e0 [ 727.041193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 727.041193][ T10] [ 727.043433][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 727.043433][ T10] neigh_parms_alloc+0x1e5/0x510 [ 727.043433][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 727.043433][ T10] ipv6_find_idev+0x102/0x170 [ 727.043433][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 727.043433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 727.043433][ T10] netlink_rcv_skb+0x130/0x360 [ 727.043433][ T10] netlink_unicast+0x449/0x710 [ 727.043433][ T10] netlink_sendmsg+0x723/0xbe0 [ 727.043433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 727.043433][ T10] ___sys_sendmsg+0xee/0x170 [ 727.043433][ T10] __sys_sendmsg+0xcd/0x170 [ 727.043433][ T10] do_syscall_64+0xc6/0x1e0 [ 727.043433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 727.043433][ T10] [ 727.649108][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 727.649849][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 727.649849][ T1167] dst_init+0x84/0x4a0 [ 727.649849][ T1167] dst_alloc+0x97/0x150 [ 727.649849][ T1167] ip6_dst_alloc+0x23/0x90 [ 727.649849][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 727.649849][ T1167] ip6_pol_route+0x56f/0x840 [ 727.649849][ T1167] fib6_rule_lookup+0x334/0x630 [ 727.649849][ T1167] ip6_route_output_flags+0x259/0x480 [ 727.649849][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 727.649849][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 727.649849][ T1167] netlink_rcv_skb+0x130/0x360 [ 727.649849][ T1167] netlink_unicast+0x449/0x710 [ 727.649849][ T1167] netlink_sendmsg+0x723/0xbe0 [ 727.649849][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 727.649849][ T1167] ___sys_sendmsg+0xee/0x170 [ 727.649849][ T1167] __sys_sendmsg+0xcd/0x170 [ 727.649849][ T1167] do_syscall_64+0xc6/0x1e0 [ 727.649849][ T1167] [ 727.653396][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 727.653396][ T1167] netdev_get_by_index+0x5e/0x80 [ 727.653396][ T1167] fib6_nh_init+0x3d8/0x1580 [ 727.653396][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 727.653396][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 727.653396][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 727.653396][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 727.653396][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 727.653396][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 727.653396][ T1167] addrconf_dad_begin+0x310/0x670 [ 727.653396][ T1167] addrconf_dad_work+0x10b/0xab0 [ 727.653396][ T1167] process_one_work+0x84d/0x18a0 [ 727.653396][ T1167] worker_thread+0x587/0xd30 [ 727.653396][ T1167] kthread+0x28a/0x350 [ 727.653396][ T1167] ret_from_fork+0x31/0x70 [ 727.653396][ T1167] ret_from_fork_asm+0x1a/0x30 [ 727.653396][ T1167] [ 727.656870][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 727.656870][ T1167] netdev_get_by_index+0x5e/0x80 [ 727.656870][ T1167] fib6_nh_init+0x3d8/0x1580 [ 727.656870][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 727.656870][ T1167] ip6_route_add+0x1c/0x140 [ 727.656870][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 727.656870][ T1167] inet6_addr_add+0x4f8/0xa40 [ 727.656870][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 727.656870][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 727.656870][ T1167] netlink_rcv_skb+0x130/0x360 [ 727.656870][ T1167] netlink_unicast+0x449/0x710 [ 727.656870][ T1167] netlink_sendmsg+0x723/0xbe0 [ 727.656870][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 727.656870][ T1167] ___sys_sendmsg+0xee/0x170 [ 727.656870][ T1167] __sys_sendmsg+0xcd/0x170 [ 727.656870][ T1167] do_syscall_64+0xc6/0x1e0 [ 727.656870][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 727.656870][ T1167] [ 727.660485][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 727.660485][ T1167] netdev_get_by_index+0x5e/0x80 [ 727.660485][ T1167] fib6_nh_init+0x3d8/0x1580 [ 727.660485][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 727.660485][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 727.660485][ T1167] ipv6_add_addr+0x411/0x2000 [ 727.660485][ T1167] inet6_addr_add+0x30e/0xa40 [ 727.660485][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 727.660485][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 727.660485][ T1167] netlink_rcv_skb+0x130/0x360 [ 727.660485][ T1167] netlink_unicast+0x449/0x710 [ 727.660485][ T1167] netlink_sendmsg+0x723/0xbe0 [ 727.660485][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 727.660485][ T1167] ___sys_sendmsg+0xee/0x170 [ 727.660485][ T1167] __sys_sendmsg+0xcd/0x170 [ 727.660485][ T1167] do_syscall_64+0xc6/0x1e0 [ 727.660485][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 727.660485][ T1167] [ 727.664262][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 727.664262][ T1167] netdev_get_by_index+0x5e/0x80 [ 727.664262][ T1167] fib6_nh_init+0x3d8/0x1580 [ 727.664262][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 727.664262][ T1167] ip6_route_add+0x1c/0x140 [ 727.664262][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 727.664262][ T1167] addrconf_add_dev+0xe2/0x170 [ 727.664262][ T1167] inet6_addr_add+0x12f/0xa40 [ 727.664262][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 727.664262][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 727.664262][ T1167] netlink_rcv_skb+0x130/0x360 [ 727.664262][ T1167] netlink_unicast+0x449/0x710 [ 727.664262][ T1167] netlink_sendmsg+0x723/0xbe0 [ 727.664262][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 727.664262][ T1167] ___sys_sendmsg+0xee/0x170 [ 727.664262][ T1167] __sys_sendmsg+0xcd/0x170 [ 727.664262][ T1167] do_syscall_64+0xc6/0x1e0 [ 727.664262][ T1167] [ 727.667826][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 727.667826][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 727.667826][ T1167] ipv6_find_idev+0x102/0x170 [ 727.667826][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 727.667826][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 727.667826][ T1167] netlink_rcv_skb+0x130/0x360 [ 727.667826][ T1167] netlink_unicast+0x449/0x710 [ 727.667826][ T1167] netlink_sendmsg+0x723/0xbe0 [ 727.667826][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 727.667826][ T1167] ___sys_sendmsg+0xee/0x170 [ 727.667826][ T1167] __sys_sendmsg+0xcd/0x170 [ 727.667826][ T1167] do_syscall_64+0xc6/0x1e0 [ 727.667826][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 727.667826][ T1167] [ 727.670653][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 727.670653][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 727.670653][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 727.670653][ T1167] ipv6_find_idev+0x102/0x170 [ 727.670653][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 727.670653][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 727.670653][ T1167] netlink_rcv_skb+0x130/0x360 [ 727.670653][ T1167] netlink_unicast+0x449/0x710 [ 727.670653][ T1167] netlink_sendmsg+0x723/0xbe0 [ 727.670653][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 727.670653][ T1167] ___sys_sendmsg+0xee/0x170 [ 727.670653][ T1167] __sys_sendmsg+0xcd/0x170 [ 727.670653][ T1167] do_syscall_64+0xc6/0x1e0 [ 727.670653][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 727.670653][ T1167] [ 737.265172][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 737.265739][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 737.265739][ T10] netdev_get_by_index+0x5e/0x80 [ 737.265739][ T10] fib6_nh_init+0x3d8/0x1580 [ 737.265739][ T10] ip6_route_info_create+0xf18/0x17d0 [ 737.265739][ T10] addrconf_f6i_alloc+0x265/0x560 [ 737.265739][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 737.265739][ T10] addrconf_join_anycast+0x1c0/0x220 [ 737.265739][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 737.265739][ T10] addrconf_dad_completed+0x12b/0xe20 [ 737.265739][ T10] addrconf_dad_begin+0x310/0x670 [ 737.265739][ T10] addrconf_dad_work+0x10b/0xab0 [ 737.265739][ T10] process_one_work+0x84d/0x18a0 [ 737.265739][ T10] worker_thread+0x587/0xd30 [ 737.265739][ T10] kthread+0x28a/0x350 [ 737.265739][ T10] ret_from_fork+0x31/0x70 [ 737.265739][ T10] ret_from_fork_asm+0x1a/0x30 [ 737.265739][ T10] [ 737.269017][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 737.269017][ T10] netdev_get_by_index+0x5e/0x80 [ 737.269017][ T10] fib6_nh_init+0x3d8/0x1580 [ 737.269017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 737.269017][ T10] ip6_route_add+0x1c/0x140 [ 737.269017][ T10] addrconf_prefix_route+0x2a6/0x430 [ 737.269017][ T10] inet6_addr_add+0x4f8/0xa40 [ 737.269017][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 737.269017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.269017][ T10] netlink_rcv_skb+0x130/0x360 [ 737.269017][ T10] netlink_unicast+0x449/0x710 [ 737.269017][ T10] netlink_sendmsg+0x723/0xbe0 [ 737.269017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 737.269017][ T10] ___sys_sendmsg+0xee/0x170 [ 737.269017][ T10] __sys_sendmsg+0xcd/0x170 [ 737.269017][ T10] do_syscall_64+0xc6/0x1e0 [ 737.269017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 737.269017][ T10] [ 737.272443][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 737.272443][ T10] netdev_get_by_index+0x5e/0x80 [ 737.272443][ T10] fib6_nh_init+0x3d8/0x1580 [ 737.272443][ T10] ip6_route_info_create+0xf18/0x17d0 [ 737.272443][ T10] addrconf_f6i_alloc+0x315/0x560 [ 737.272443][ T10] ipv6_add_addr+0x411/0x2000 [ 737.272443][ T10] inet6_addr_add+0x30e/0xa40 [ 737.272443][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 737.272443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.272443][ T10] netlink_rcv_skb+0x130/0x360 [ 737.272443][ T10] netlink_unicast+0x449/0x710 [ 737.272443][ T10] netlink_sendmsg+0x723/0xbe0 [ 737.272443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 737.272443][ T10] ___sys_sendmsg+0xee/0x170 [ 737.272443][ T10] __sys_sendmsg+0xcd/0x170 [ 737.272443][ T10] do_syscall_64+0xc6/0x1e0 [ 737.272443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 737.272443][ T10] [ 737.275830][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 737.275830][ T10] netdev_get_by_index+0x5e/0x80 [ 737.275830][ T10] fib6_nh_init+0x3d8/0x1580 [ 737.275830][ T10] ip6_route_info_create+0xf18/0x17d0 [ 737.275830][ T10] ip6_route_add+0x1c/0x140 [ 737.275830][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 737.275830][ T10] addrconf_add_dev+0xe2/0x170 [ 737.275830][ T10] inet6_addr_add+0x12f/0xa40 [ 737.275830][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 737.275830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.275830][ T10] netlink_rcv_skb+0x130/0x360 [ 737.275830][ T10] netlink_unicast+0x449/0x710 [ 737.275830][ T10] netlink_sendmsg+0x723/0xbe0 [ 737.275830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 737.275830][ T10] ___sys_sendmsg+0xee/0x170 [ 737.275830][ T10] __sys_sendmsg+0xcd/0x170 [ 737.275830][ T10] do_syscall_64+0xc6/0x1e0 [ 737.275830][ T10] [ 737.279137][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 737.279137][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 737.279137][ T10] ipv6_find_idev+0x102/0x170 [ 737.279137][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 737.279137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.279137][ T10] netlink_rcv_skb+0x130/0x360 [ 737.279137][ T10] netlink_unicast+0x449/0x710 [ 737.279137][ T10] netlink_sendmsg+0x723/0xbe0 [ 737.279137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 737.279137][ T10] ___sys_sendmsg+0xee/0x170 [ 737.279137][ T10] __sys_sendmsg+0xcd/0x170 [ 737.279137][ T10] do_syscall_64+0xc6/0x1e0 [ 737.279137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 737.279137][ T10] [ 737.281758][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 737.281758][ T10] neigh_parms_alloc+0x1e5/0x510 [ 737.281758][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 737.281758][ T10] ipv6_find_idev+0x102/0x170 [ 737.281758][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 737.281758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.281758][ T10] netlink_rcv_skb+0x130/0x360 [ 737.281758][ T10] netlink_unicast+0x449/0x710 [ 737.281758][ T10] netlink_sendmsg+0x723/0xbe0 [ 737.281758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 737.281758][ T10] ___sys_sendmsg+0xee/0x170 [ 737.281758][ T10] __sys_sendmsg+0xcd/0x170 [ 737.281758][ T10] do_syscall_64+0xc6/0x1e0 [ 737.281758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 737.281758][ T10] [ 737.284688][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 737.285087][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 737.285087][ T10] netdev_get_by_index+0x5e/0x80 [ 737.285087][ T10] fib6_nh_init+0x3d8/0x1580 [ 737.285087][ T10] ip6_route_info_create+0xf18/0x17d0 [ 737.285087][ T10] addrconf_f6i_alloc+0x265/0x560 [ 737.285087][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 737.285087][ T10] addrconf_join_anycast+0x1c0/0x220 [ 737.285087][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 737.285087][ T10] addrconf_dad_completed+0x12b/0xe20 [ 737.285087][ T10] addrconf_dad_begin+0x310/0x670 [ 737.285087][ T10] addrconf_dad_work+0x10b/0xab0 [ 737.285087][ T10] process_one_work+0x84d/0x18a0 [ 737.285087][ T10] worker_thread+0x587/0xd30 [ 737.285087][ T10] kthread+0x28a/0x350 [ 737.285087][ T10] ret_from_fork+0x31/0x70 [ 737.285087][ T10] ret_from_fork_asm+0x1a/0x30 [ 737.285087][ T10] [ 737.288335][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 737.288335][ T10] netdev_get_by_index+0x5e/0x80 [ 737.288335][ T10] fib6_nh_init+0x3d8/0x1580 [ 737.288335][ T10] ip6_route_info_create+0xf18/0x17d0 [ 737.288335][ T10] ip6_route_add+0x1c/0x140 [ 737.288335][ T10] addrconf_prefix_route+0x2a6/0x430 [ 737.288335][ T10] inet6_addr_add+0x4f8/0xa40 [ 737.288335][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 737.288335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.288335][ T10] netlink_rcv_skb+0x130/0x360 [ 737.288335][ T10] netlink_unicast+0x449/0x710 [ 737.288335][ T10] netlink_sendmsg+0x723/0xbe0 [ 737.288335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 737.288335][ T10] ___sys_sendmsg+0xee/0x170 [ 737.288335][ T10] __sys_sendmsg+0xcd/0x170 [ 737.288335][ T10] do_syscall_64+0xc6/0x1e0 [ 737.288335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 737.288335][ T10] [ 737.291743][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 737.291743][ T10] netdev_get_by_index+0x5e/0x80 [ 737.291743][ T10] fib6_nh_init+0x3d8/0x1580 [ 737.291743][ T10] ip6_route_info_create+0xf18/0x17d0 [ 737.291743][ T10] addrconf_f6i_alloc+0x315/0x560 [ 737.291743][ T10] ipv6_add_addr+0x411/0x2000 [ 737.291743][ T10] inet6_addr_add+0x30e/0xa40 [ 737.291743][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 737.291743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.291743][ T10] netlink_rcv_skb+0x130/0x360 [ 737.291743][ T10] netlink_unicast+0x449/0x710 [ 737.291743][ T10] netlink_sendmsg+0x723/0xbe0 [ 737.291743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 737.291743][ T10] ___sys_sendmsg+0xee/0x170 [ 737.291743][ T10] __sys_sendmsg+0xcd/0x170 [ 737.291743][ T10] do_syscall_64+0xc6/0x1e0 [ 737.291743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 737.291743][ T10] [ 737.295174][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 737.295174][ T10] netdev_get_by_index+0x5e/0x80 [ 737.295174][ T10] fib6_nh_init+0x3d8/0x1580 [ 737.295174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 737.295174][ T10] ip6_route_add+0x1c/0x140 [ 737.295174][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 737.295174][ T10] addrconf_add_dev+0xe2/0x170 [ 737.295174][ T10] inet6_addr_add+0x12f/0xa40 [ 737.295174][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 737.295174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.295174][ T10] netlink_rcv_skb+0x130/0x360 [ 737.295174][ T10] netlink_unicast+0x449/0x710 [ 737.295174][ T10] netlink_sendmsg+0x723/0xbe0 [ 737.295174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 737.295174][ T10] ___sys_sendmsg+0xee/0x170 [ 737.295174][ T10] __sys_sendmsg+0xcd/0x170 [ 737.295174][ T10] do_syscall_64+0xc6/0x1e0 [ 737.295174][ T10] [ 737.298518][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 737.298518][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 737.298518][ T10] ipv6_find_idev+0x102/0x170 [ 737.298518][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 737.298518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.298518][ T10] netlink_rcv_skb+0x130/0x360 [ 737.298518][ T10] netlink_unicast+0x449/0x710 [ 737.298518][ T10] netlink_sendmsg+0x723/0xbe0 [ 737.298518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 737.298518][ T10] ___sys_sendmsg+0xee/0x170 [ 737.298518][ T10] __sys_sendmsg+0xcd/0x170 [ 737.298518][ T10] do_syscall_64+0xc6/0x1e0 [ 737.298518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 737.298518][ T10] [ 737.301129][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 737.301129][ T10] neigh_parms_alloc+0x1e5/0x510 [ 737.301129][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 737.301129][ T10] ipv6_find_idev+0x102/0x170 [ 737.301129][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 737.301129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.301129][ T10] netlink_rcv_skb+0x130/0x360 [ 737.301129][ T10] netlink_unicast+0x449/0x710 [ 737.301129][ T10] netlink_sendmsg+0x723/0xbe0 [ 737.301129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 737.301129][ T10] ___sys_sendmsg+0xee/0x170 [ 737.301129][ T10] __sys_sendmsg+0xcd/0x170 [ 737.301129][ T10] do_syscall_64+0xc6/0x1e0 [ 737.301129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 737.301129][ T10] [ 737.303977][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 737.304402][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 737.304402][ T10] netdev_get_by_index+0x5e/0x80 [ 737.304402][ T10] fib6_nh_init+0x3d8/0x1580 [ 737.304402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 737.304402][ T10] addrconf_f6i_alloc+0x265/0x560 [ 737.304402][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 737.304402][ T10] addrconf_join_anycast+0x1c0/0x220 [ 737.304402][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 737.304402][ T10] addrconf_dad_completed+0x12b/0xe20 [ 737.304402][ T10] addrconf_dad_begin+0x310/0x670 [ 737.304402][ T10] addrconf_dad_work+0x10b/0xab0 [ 737.304402][ T10] process_one_work+0x84d/0x18a0 [ 737.304402][ T10] worker_thread+0x587/0xd30 [ 737.304402][ T10] kthread+0x28a/0x350 [ 737.304402][ T10] ret_from_fork+0x31/0x70 [ 737.304402][ T10] ret_from_fork_asm+0x1a/0x30 [ 737.304402][ T10] [ 737.307636][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 737.307636][ T10] netdev_get_by_index+0x5e/0x80 [ 737.307636][ T10] fib6_nh_init+0x3d8/0x1580 [ 737.307636][ T10] ip6_route_info_create+0xf18/0x17d0 [ 737.307636][ T10] ip6_route_add+0x1c/0x140 [ 737.307636][ T10] addrconf_prefix_route+0x2a6/0x430 [ 737.307636][ T10] inet6_addr_add+0x4f8/0xa40 [ 737.307636][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 737.307636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.307636][ T10] netlink_rcv_skb+0x130/0x360 [ 737.307636][ T10] netlink_unicast+0x449/0x710 [ 737.307636][ T10] netlink_sendmsg+0x723/0xbe0 [ 737.307636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 737.307636][ T10] ___sys_sendmsg+0xee/0x170 [ 737.307636][ T10] __sys_sendmsg+0xcd/0x170 [ 737.307636][ T10] do_syscall_64+0xc6/0x1e0 [ 737.307636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 737.307636][ T10] [ 737.311376][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 737.311376][ T10] netdev_get_by_index+0x5e/0x80 [ 737.311376][ T10] fib6_nh_init+0x3d8/0x1580 [ 737.311376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 737.311376][ T10] addrconf_f6i_alloc+0x315/0x560 [ 737.311376][ T10] ipv6_add_addr+0x411/0x2000 [ 737.311376][ T10] inet6_addr_add+0x30e/0xa40 [ 737.311376][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 737.311376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.311376][ T10] netlink_rcv_skb+0x130/0x360 [ 737.311376][ T10] netlink_unicast+0x449/0x710 [ 737.311376][ T10] netlink_sendmsg+0x723/0xbe0 [ 737.311376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 737.311376][ T10] ___sys_sendmsg+0xee/0x170 [ 737.311376][ T10] __sys_sendmsg+0xcd/0x170 [ 737.311376][ T10] do_syscall_64+0xc6/0x1e0 [ 737.311376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 737.311376][ T10] [ 737.315245][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 737.315245][ T10] netdev_get_by_index+0x5e/0x80 [ 737.315245][ T10] fib6_nh_init+0x3d8/0x1580 [ 737.315245][ T10] ip6_route_info_create+0xf18/0x17d0 [ 737.315245][ T10] ip6_route_add+0x1c/0x140 [ 737.315245][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 737.315245][ T10] addrconf_add_dev+0xe2/0x170 [ 737.315245][ T10] inet6_addr_add+0x12f/0xa40 [ 737.315245][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 737.315245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.315245][ T10] netlink_rcv_skb+0x130/0x360 [ 737.315245][ T10] netlink_unicast+0x449/0x710 [ 737.315245][ T10] netlink_sendmsg+0x723/0xbe0 [ 737.315245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 737.315245][ T10] ___sys_sendmsg+0xee/0x170 [ 737.315245][ T10] __sys_sendmsg+0xcd/0x170 [ 737.315245][ T10] do_syscall_64+0xc6/0x1e0 [ 737.315245][ T10] [ 737.318926][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 737.318926][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 737.318926][ T10] ipv6_find_idev+0x102/0x170 [ 737.318926][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 737.318926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.318926][ T10] netlink_rcv_skb+0x130/0x360 [ 737.318926][ T10] netlink_unicast+0x449/0x710 [ 737.318926][ T10] netlink_sendmsg+0x723/0xbe0 [ 737.318926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 737.318926][ T10] ___sys_sendmsg+0xee/0x170 [ 737.318926][ T10] __sys_sendmsg+0xcd/0x170 [ 737.318926][ T10] do_syscall_64+0xc6/0x1e0 [ 737.318926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 737.318926][ T10] [ 737.321880][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 737.321880][ T10] neigh_parms_alloc+0x1e5/0x510 [ 737.321880][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 737.321880][ T10] ipv6_find_idev+0x102/0x170 [ 737.321880][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 737.321880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.321880][ T10] netlink_rcv_skb+0x130/0x360 [ 737.321880][ T10] netlink_unicast+0x449/0x710 [ 737.321880][ T10] netlink_sendmsg+0x723/0xbe0 [ 737.321880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 737.321880][ T10] ___sys_sendmsg+0xee/0x170 [ 737.321880][ T10] __sys_sendmsg+0xcd/0x170 [ 737.321880][ T10] do_syscall_64+0xc6/0x1e0 [ 737.321880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 737.321880][ T10] [ 737.325353][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 737.325766][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 737.325766][ T10] netdev_get_by_index+0x5e/0x80 [ 737.325766][ T10] fib6_nh_init+0x3d8/0x1580 [ 737.325766][ T10] ip6_route_info_create+0xf18/0x17d0 [ 737.325766][ T10] addrconf_f6i_alloc+0x265/0x560 [ 737.325766][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 737.325766][ T10] addrconf_join_anycast+0x1c0/0x220 [ 737.325766][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 737.325766][ T10] addrconf_dad_completed+0x12b/0xe20 [ 737.325766][ T10] addrconf_dad_begin+0x310/0x670 [ 737.325766][ T10] addrconf_dad_work+0x10b/0xab0 [ 737.325766][ T10] process_one_work+0x84d/0x18a0 [ 737.325766][ T10] worker_thread+0x587/0xd30 [ 737.325766][ T10] kthread+0x28a/0x350 [ 737.325766][ T10] ret_from_fork+0x31/0x70 [ 737.325766][ T10] ret_from_fork_asm+0x1a/0x30 [ 737.325766][ T10] [ 737.329319][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 737.329319][ T10] netdev_get_by_index+0x5e/0x80 [ 737.329319][ T10] fib6_nh_init+0x3d8/0x1580 [ 737.329319][ T10] ip6_route_info_create+0xf18/0x17d0 [ 737.329319][ T10] ip6_route_add+0x1c/0x140 [ 737.329319][ T10] addrconf_prefix_route+0x2a6/0x430 [ 737.329319][ T10] inet6_addr_add+0x4f8/0xa40 [ 737.329319][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 737.329319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.329319][ T10] netlink_rcv_skb+0x130/0x360 [ 737.329319][ T10] netlink_unicast+0x449/0x710 [ 737.329319][ T10] netlink_sendmsg+0x723/0xbe0 [ 737.329319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 737.329319][ T10] ___sys_sendmsg+0xee/0x170 [ 737.329319][ T10] __sys_sendmsg+0xcd/0x170 [ 737.329319][ T10] do_syscall_64+0xc6/0x1e0 [ 737.329319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 737.329319][ T10] [ 737.332859][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 737.332859][ T10] netdev_get_by_index+0x5e/0x80 [ 737.332859][ T10] fib6_nh_init+0x3d8/0x1580 [ 737.332859][ T10] ip6_route_info_create+0xf18/0x17d0 [ 737.332859][ T10] addrconf_f6i_alloc+0x315/0x560 [ 737.332859][ T10] ipv6_add_addr+0x411/0x2000 [ 737.332859][ T10] inet6_addr_add+0x30e/0xa40 [ 737.332859][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 737.332859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.332859][ T10] netlink_rcv_skb+0x130/0x360 [ 737.332859][ T10] netlink_unicast+0x449/0x710 [ 737.332859][ T10] netlink_sendmsg+0x723/0xbe0 [ 737.332859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 737.332859][ T10] ___sys_sendmsg+0xee/0x170 [ 737.332859][ T10] __sys_sendmsg+0xcd/0x170 [ 737.332859][ T10] do_syscall_64+0xc6/0x1e0 [ 737.332859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 737.332859][ T10] [ 737.336478][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 737.336478][ T10] netdev_get_by_index+0x5e/0x80 [ 737.336478][ T10] fib6_nh_init+0x3d8/0x1580 [ 737.336478][ T10] ip6_route_info_create+0xf18/0x17d0 [ 737.336478][ T10] ip6_route_add+0x1c/0x140 [ 737.336478][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 737.336478][ T10] addrconf_add_dev+0xe2/0x170 [ 737.336478][ T10] inet6_addr_add+0x12f/0xa40 [ 737.336478][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 737.336478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.336478][ T10] netlink_rcv_skb+0x130/0x360 [ 737.336478][ T10] netlink_unicast+0x449/0x710 [ 737.336478][ T10] netlink_sendmsg+0x723/0xbe0 [ 737.336478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 737.336478][ T10] ___sys_sendmsg+0xee/0x170 [ 737.336478][ T10] __sys_sendmsg+0xcd/0x170 [ 737.336478][ T10] do_syscall_64+0xc6/0x1e0 [ 737.336478][ T10] [ 737.340226][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 737.340226][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 737.340226][ T10] ipv6_find_idev+0x102/0x170 [ 737.340226][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 737.340226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.340226][ T10] netlink_rcv_skb+0x130/0x360 [ 737.340226][ T10] netlink_unicast+0x449/0x710 [ 737.340226][ T10] netlink_sendmsg+0x723/0xbe0 [ 737.340226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 737.340226][ T10] ___sys_sendmsg+0xee/0x170 [ 737.340226][ T10] __sys_sendmsg+0xcd/0x170 [ 737.340226][ T10] do_syscall_64+0xc6/0x1e0 [ 737.340226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 737.340226][ T10] [ 737.343054][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 737.343054][ T10] neigh_parms_alloc+0x1e5/0x510 [ 737.343054][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 737.343054][ T10] ipv6_find_idev+0x102/0x170 [ 737.343054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 737.343054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.343054][ T10] netlink_rcv_skb+0x130/0x360 [ 737.343054][ T10] netlink_unicast+0x449/0x710 [ 737.343054][ T10] netlink_sendmsg+0x723/0xbe0 [ 737.343054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 737.343054][ T10] ___sys_sendmsg+0xee/0x170 [ 737.343054][ T10] __sys_sendmsg+0xcd/0x170 [ 737.343054][ T10] do_syscall_64+0xc6/0x1e0 [ 737.343054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 737.343054][ T10] [ 737.777111][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 737.777685][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 737.777685][ T1167] dst_init+0x84/0x4a0 [ 737.777685][ T1167] dst_alloc+0x97/0x150 [ 737.777685][ T1167] ip6_dst_alloc+0x23/0x90 [ 737.777685][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 737.777685][ T1167] ip6_pol_route+0x56f/0x840 [ 737.777685][ T1167] fib6_rule_lookup+0x334/0x630 [ 737.777685][ T1167] ip6_route_output_flags+0x259/0x480 [ 737.777685][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 737.777685][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 737.777685][ T1167] netlink_rcv_skb+0x130/0x360 [ 737.777685][ T1167] netlink_unicast+0x449/0x710 [ 737.777685][ T1167] netlink_sendmsg+0x723/0xbe0 [ 737.777685][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 737.777685][ T1167] ___sys_sendmsg+0xee/0x170 [ 737.777685][ T1167] __sys_sendmsg+0xcd/0x170 [ 737.777685][ T1167] do_syscall_64+0xc6/0x1e0 [ 737.777685][ T1167] [ 737.779928][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 737.779928][ T1167] netdev_get_by_index+0x5e/0x80 [ 737.779928][ T1167] fib6_nh_init+0x3d8/0x1580 [ 737.779928][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 737.779928][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 737.779928][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 737.779928][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 737.779928][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 737.779928][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 737.779928][ T1167] addrconf_dad_begin+0x310/0x670 [ 737.779928][ T1167] addrconf_dad_work+0x10b/0xab0 [ 737.779928][ T1167] process_one_work+0x84d/0x18a0 [ 737.779928][ T1167] worker_thread+0x587/0xd30 [ 737.779928][ T1167] kthread+0x28a/0x350 [ 737.779928][ T1167] ret_from_fork+0x31/0x70 [ 737.779928][ T1167] ret_from_fork_asm+0x1a/0x30 [ 737.779928][ T1167] [ 737.782096][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 737.782096][ T1167] netdev_get_by_index+0x5e/0x80 [ 737.782096][ T1167] fib6_nh_init+0x3d8/0x1580 [ 737.782096][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 737.782096][ T1167] ip6_route_add+0x1c/0x140 [ 737.782096][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 737.782096][ T1167] inet6_addr_add+0x4f8/0xa40 [ 737.782096][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 737.782096][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.782096][ T1167] netlink_rcv_skb+0x130/0x360 [ 737.782096][ T1167] netlink_unicast+0x449/0x710 [ 737.782096][ T1167] netlink_sendmsg+0x723/0xbe0 [ 737.782096][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 737.782096][ T1167] ___sys_sendmsg+0xee/0x170 [ 737.782096][ T1167] __sys_sendmsg+0xcd/0x170 [ 737.782096][ T1167] do_syscall_64+0xc6/0x1e0 [ 737.782096][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 737.782096][ T1167] [ 737.784354][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 737.784354][ T1167] netdev_get_by_index+0x5e/0x80 [ 737.784354][ T1167] fib6_nh_init+0x3d8/0x1580 [ 737.784354][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 737.784354][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 737.784354][ T1167] ipv6_add_addr+0x411/0x2000 [ 737.784354][ T1167] inet6_addr_add+0x30e/0xa40 [ 737.784354][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 737.784354][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.784354][ T1167] netlink_rcv_skb+0x130/0x360 [ 737.784354][ T1167] netlink_unicast+0x449/0x710 [ 737.784354][ T1167] netlink_sendmsg+0x723/0xbe0 [ 737.784354][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 737.784354][ T1167] ___sys_sendmsg+0xee/0x170 [ 737.784354][ T1167] __sys_sendmsg+0xcd/0x170 [ 737.784354][ T1167] do_syscall_64+0xc6/0x1e0 [ 737.784354][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 737.784354][ T1167] [ 737.786637][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 737.786637][ T1167] netdev_get_by_index+0x5e/0x80 [ 737.786637][ T1167] fib6_nh_init+0x3d8/0x1580 [ 737.786637][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 737.786637][ T1167] ip6_route_add+0x1c/0x140 [ 737.786637][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 737.786637][ T1167] addrconf_add_dev+0xe2/0x170 [ 737.786637][ T1167] inet6_addr_add+0x12f/0xa40 [ 737.786637][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 737.786637][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.786637][ T1167] netlink_rcv_skb+0x130/0x360 [ 737.786637][ T1167] netlink_unicast+0x449/0x710 [ 737.786637][ T1167] netlink_sendmsg+0x723/0xbe0 [ 737.786637][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 737.786637][ T1167] ___sys_sendmsg+0xee/0x170 [ 737.786637][ T1167] __sys_sendmsg+0xcd/0x170 [ 737.786637][ T1167] do_syscall_64+0xc6/0x1e0 [ 737.786637][ T1167] [ 737.788850][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 737.788850][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 737.788850][ T1167] ipv6_find_idev+0x102/0x170 [ 737.788850][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 737.788850][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.788850][ T1167] netlink_rcv_skb+0x130/0x360 [ 737.788850][ T1167] netlink_unicast+0x449/0x710 [ 737.788850][ T1167] netlink_sendmsg+0x723/0xbe0 [ 737.788850][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 737.788850][ T1167] ___sys_sendmsg+0xee/0x170 [ 737.788850][ T1167] __sys_sendmsg+0xcd/0x170 [ 737.788850][ T1167] do_syscall_64+0xc6/0x1e0 [ 737.788850][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 737.788850][ T1167] [ 737.790594][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 737.790594][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 737.790594][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 737.790594][ T1167] ipv6_find_idev+0x102/0x170 [ 737.790594][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 737.790594][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.790594][ T1167] netlink_rcv_skb+0x130/0x360 [ 737.790594][ T1167] netlink_unicast+0x449/0x710 [ 737.790594][ T1167] netlink_sendmsg+0x723/0xbe0 [ 737.790594][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 737.790594][ T1167] ___sys_sendmsg+0xee/0x170 [ 737.790594][ T1167] __sys_sendmsg+0xcd/0x170 [ 737.790594][ T1167] do_syscall_64+0xc6/0x1e0 [ 737.790594][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 737.790594][ T1167] [ 747.585175][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 747.585753][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 747.585753][ T10] netdev_get_by_index+0x5e/0x80 [ 747.585753][ T10] fib6_nh_init+0x3d8/0x1580 [ 747.585753][ T10] ip6_route_info_create+0xf18/0x17d0 [ 747.585753][ T10] addrconf_f6i_alloc+0x265/0x560 [ 747.585753][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 747.585753][ T10] addrconf_join_anycast+0x1c0/0x220 [ 747.585753][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 747.585753][ T10] addrconf_dad_completed+0x12b/0xe20 [ 747.585753][ T10] addrconf_dad_begin+0x310/0x670 [ 747.585753][ T10] addrconf_dad_work+0x10b/0xab0 [ 747.585753][ T10] process_one_work+0x84d/0x18a0 [ 747.585753][ T10] worker_thread+0x587/0xd30 [ 747.585753][ T10] kthread+0x28a/0x350 [ 747.585753][ T10] ret_from_fork+0x31/0x70 [ 747.585753][ T10] ret_from_fork_asm+0x1a/0x30 [ 747.585753][ T10] [ 747.588886][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 747.588886][ T10] netdev_get_by_index+0x5e/0x80 [ 747.588886][ T10] fib6_nh_init+0x3d8/0x1580 [ 747.588886][ T10] ip6_route_info_create+0xf18/0x17d0 [ 747.588886][ T10] ip6_route_add+0x1c/0x140 [ 747.588886][ T10] addrconf_prefix_route+0x2a6/0x430 [ 747.588886][ T10] inet6_addr_add+0x4f8/0xa40 [ 747.588886][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 747.588886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 747.588886][ T10] netlink_rcv_skb+0x130/0x360 [ 747.588886][ T10] netlink_unicast+0x449/0x710 [ 747.588886][ T10] netlink_sendmsg+0x723/0xbe0 [ 747.588886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 747.588886][ T10] ___sys_sendmsg+0xee/0x170 [ 747.588886][ T10] __sys_sendmsg+0xcd/0x170 [ 747.588886][ T10] do_syscall_64+0xc6/0x1e0 [ 747.588886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 747.588886][ T10] [ 747.592141][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 747.592141][ T10] netdev_get_by_index+0x5e/0x80 [ 747.592141][ T10] fib6_nh_init+0x3d8/0x1580 [ 747.592141][ T10] ip6_route_info_create+0xf18/0x17d0 [ 747.592141][ T10] addrconf_f6i_alloc+0x315/0x560 [ 747.592141][ T10] ipv6_add_addr+0x411/0x2000 [ 747.592141][ T10] inet6_addr_add+0x30e/0xa40 [ 747.592141][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 747.592141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 747.592141][ T10] netlink_rcv_skb+0x130/0x360 [ 747.592141][ T10] netlink_unicast+0x449/0x710 [ 747.592141][ T10] netlink_sendmsg+0x723/0xbe0 [ 747.592141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 747.592141][ T10] ___sys_sendmsg+0xee/0x170 [ 747.592141][ T10] __sys_sendmsg+0xcd/0x170 [ 747.592141][ T10] do_syscall_64+0xc6/0x1e0 [ 747.592141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 747.592141][ T10] [ 747.595394][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 747.595394][ T10] netdev_get_by_index+0x5e/0x80 [ 747.595394][ T10] fib6_nh_init+0x3d8/0x1580 [ 747.595394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 747.595394][ T10] ip6_route_add+0x1c/0x140 [ 747.595394][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 747.595394][ T10] addrconf_add_dev+0xe2/0x170 [ 747.595394][ T10] inet6_addr_add+0x12f/0xa40 [ 747.595394][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 747.595394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 747.595394][ T10] netlink_rcv_skb+0x130/0x360 [ 747.595394][ T10] netlink_unicast+0x449/0x710 [ 747.595394][ T10] netlink_sendmsg+0x723/0xbe0 [ 747.595394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 747.595394][ T10] ___sys_sendmsg+0xee/0x170 [ 747.595394][ T10] __sys_sendmsg+0xcd/0x170 [ 747.595394][ T10] do_syscall_64+0xc6/0x1e0 [ 747.595394][ T10] [ 747.598561][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 747.598561][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 747.598561][ T10] ipv6_find_idev+0x102/0x170 [ 747.598561][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 747.598561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 747.598561][ T10] netlink_rcv_skb+0x130/0x360 [ 747.598561][ T10] netlink_unicast+0x449/0x710 [ 747.598561][ T10] netlink_sendmsg+0x723/0xbe0 [ 747.598561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 747.598561][ T10] ___sys_sendmsg+0xee/0x170 [ 747.598561][ T10] __sys_sendmsg+0xcd/0x170 [ 747.598561][ T10] do_syscall_64+0xc6/0x1e0 [ 747.598561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 747.598561][ T10] [ 747.601059][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 747.601059][ T10] neigh_parms_alloc+0x1e5/0x510 [ 747.601059][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 747.601059][ T10] ipv6_find_idev+0x102/0x170 [ 747.601059][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 747.601059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 747.601059][ T10] netlink_rcv_skb+0x130/0x360 [ 747.601059][ T10] netlink_unicast+0x449/0x710 [ 747.601059][ T10] netlink_sendmsg+0x723/0xbe0 [ 747.601059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 747.601059][ T10] ___sys_sendmsg+0xee/0x170 [ 747.601059][ T10] __sys_sendmsg+0xcd/0x170 [ 747.601059][ T10] do_syscall_64+0xc6/0x1e0 [ 747.601059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 747.601059][ T10] [ 747.603817][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 747.604240][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 747.604240][ T10] netdev_get_by_index+0x5e/0x80 [ 747.604240][ T10] fib6_nh_init+0x3d8/0x1580 [ 747.604240][ T10] ip6_route_info_create+0xf18/0x17d0 [ 747.604240][ T10] addrconf_f6i_alloc+0x265/0x560 [ 747.604240][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 747.604240][ T10] addrconf_join_anycast+0x1c0/0x220 [ 747.604240][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 747.604240][ T10] addrconf_dad_completed+0x12b/0xe20 [ 747.604240][ T10] addrconf_dad_begin+0x310/0x670 [ 747.604240][ T10] addrconf_dad_work+0x10b/0xab0 [ 747.604240][ T10] process_one_work+0x84d/0x18a0 [ 747.604240][ T10] worker_thread+0x587/0xd30 [ 747.604240][ T10] kthread+0x28a/0x350 [ 747.604240][ T10] ret_from_fork+0x31/0x70 [ 747.604240][ T10] ret_from_fork_asm+0x1a/0x30 [ 747.604240][ T10] [ 747.607330][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 747.607330][ T10] netdev_get_by_index+0x5e/0x80 [ 747.607330][ T10] fib6_nh_init+0x3d8/0x1580 [ 747.607330][ T10] ip6_route_info_create+0xf18/0x17d0 [ 747.607330][ T10] ip6_route_add+0x1c/0x140 [ 747.607330][ T10] addrconf_prefix_route+0x2a6/0x430 [ 747.607330][ T10] inet6_addr_add+0x4f8/0xa40 [ 747.607330][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 747.607330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 747.607330][ T10] netlink_rcv_skb+0x130/0x360 [ 747.607330][ T10] netlink_unicast+0x449/0x710 [ 747.607330][ T10] netlink_sendmsg+0x723/0xbe0 [ 747.607330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 747.607330][ T10] ___sys_sendmsg+0xee/0x170 [ 747.607330][ T10] __sys_sendmsg+0xcd/0x170 [ 747.607330][ T10] do_syscall_64+0xc6/0x1e0 [ 747.607330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 747.607330][ T10] [ 747.610568][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 747.610568][ T10] netdev_get_by_index+0x5e/0x80 [ 747.610568][ T10] fib6_nh_init+0x3d8/0x1580 [ 747.610568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 747.610568][ T10] addrconf_f6i_alloc+0x315/0x560 [ 747.610568][ T10] ipv6_add_addr+0x411/0x2000 [ 747.610568][ T10] inet6_addr_add+0x30e/0xa40 [ 747.610568][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 747.610568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 747.610568][ T10] netlink_rcv_skb+0x130/0x360 [ 747.610568][ T10] netlink_unicast+0x449/0x710 [ 747.610568][ T10] netlink_sendmsg+0x723/0xbe0 [ 747.610568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 747.610568][ T10] ___sys_sendmsg+0xee/0x170 [ 747.610568][ T10] __sys_sendmsg+0xcd/0x170 [ 747.610568][ T10] do_syscall_64+0xc6/0x1e0 [ 747.610568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 747.610568][ T10] [ 747.613782][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 747.613782][ T10] netdev_get_by_index+0x5e/0x80 [ 747.613782][ T10] fib6_nh_init+0x3d8/0x1580 [ 747.613782][ T10] ip6_route_info_create+0xf18/0x17d0 [ 747.613782][ T10] ip6_route_add+0x1c/0x140 [ 747.613782][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 747.613782][ T10] addrconf_add_dev+0xe2/0x170 [ 747.613782][ T10] inet6_addr_add+0x12f/0xa40 [ 747.613782][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 747.613782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 747.613782][ T10] netlink_rcv_skb+0x130/0x360 [ 747.613782][ T10] netlink_unicast+0x449/0x710 [ 747.613782][ T10] netlink_sendmsg+0x723/0xbe0 [ 747.613782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 747.613782][ T10] ___sys_sendmsg+0xee/0x170 [ 747.613782][ T10] __sys_sendmsg+0xcd/0x170 [ 747.613782][ T10] do_syscall_64+0xc6/0x1e0 [ 747.613782][ T10] [ 747.616197][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 747.616197][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 747.616197][ T10] ipv6_find_idev+0x102/0x170 [ 747.616197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 747.616197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 747.616197][ T10] netlink_rcv_skb+0x130/0x360 [ 747.616197][ T10] netlink_unicast+0x449/0x710 [ 747.616197][ T10] netlink_sendmsg+0x723/0xbe0 [ 747.616197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 747.616197][ T10] ___sys_sendmsg+0xee/0x170 [ 747.616197][ T10] __sys_sendmsg+0xcd/0x170 [ 747.616197][ T10] do_syscall_64+0xc6/0x1e0 [ 747.616197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 747.616197][ T10] [ 747.617740][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 747.617740][ T10] neigh_parms_alloc+0x1e5/0x510 [ 747.617740][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 747.617740][ T10] ipv6_find_idev+0x102/0x170 [ 747.617740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 747.617740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 747.617740][ T10] netlink_rcv_skb+0x130/0x360 [ 747.617740][ T10] netlink_unicast+0x449/0x710 [ 747.617740][ T10] netlink_sendmsg+0x723/0xbe0 [ 747.617740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 747.617740][ T10] ___sys_sendmsg+0xee/0x170 [ 747.617740][ T10] __sys_sendmsg+0xcd/0x170 [ 747.617740][ T10] do_syscall_64+0xc6/0x1e0 [ 747.617740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 747.617740][ T10] [ 747.619438][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 747.619688][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 747.619688][ T10] netdev_get_by_index+0x5e/0x80 [ 747.619688][ T10] fib6_nh_init+0x3d8/0x1580 [ 747.619688][ T10] ip6_route_info_create+0xf18/0x17d0 [ 747.619688][ T10] addrconf_f6i_alloc+0x265/0x560 [ 747.619688][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 747.619688][ T10] addrconf_join_anycast+0x1c0/0x220 [ 747.619688][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 747.619688][ T10] addrconf_dad_completed+0x12b/0xe20 [ 747.619688][ T10] addrconf_dad_begin+0x310/0x670 [ 747.619688][ T10] addrconf_dad_work+0x10b/0xab0 [ 747.619688][ T10] process_one_work+0x84d/0x18a0 [ 747.619688][ T10] worker_thread+0x587/0xd30 [ 747.619688][ T10] kthread+0x28a/0x350 [ 747.619688][ T10] ret_from_fork+0x31/0x70 [ 747.619688][ T10] ret_from_fork_asm+0x1a/0x30 [ 747.619688][ T10] [ 747.621594][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 747.621594][ T10] netdev_get_by_index+0x5e/0x80 [ 747.621594][ T10] fib6_nh_init+0x3d8/0x1580 [ 747.621594][ T10] ip6_route_info_create+0xf18/0x17d0 [ 747.621594][ T10] ip6_route_add+0x1c/0x140 [ 747.621594][ T10] addrconf_prefix_route+0x2a6/0x430 [ 747.621594][ T10] inet6_addr_add+0x4f8/0xa40 [ 747.621594][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 747.621594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 747.621594][ T10] netlink_rcv_skb+0x130/0x360 [ 747.621594][ T10] netlink_unicast+0x449/0x710 [ 747.621594][ T10] netlink_sendmsg+0x723/0xbe0 [ 747.621594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 747.621594][ T10] ___sys_sendmsg+0xee/0x170 [ 747.621594][ T10] __sys_sendmsg+0xcd/0x170 [ 747.621594][ T10] do_syscall_64+0xc6/0x1e0 [ 747.621594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 747.621594][ T10] [ 747.623760][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 747.623760][ T10] netdev_get_by_index+0x5e/0x80 [ 747.623760][ T10] fib6_nh_init+0x3d8/0x1580 [ 747.623760][ T10] ip6_route_info_create+0xf18/0x17d0 [ 747.623760][ T10] addrconf_f6i_alloc+0x315/0x560 [ 747.623760][ T10] ipv6_add_addr+0x411/0x2000 [ 747.623760][ T10] inet6_addr_add+0x30e/0xa40 [ 747.623760][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 747.623760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 747.623760][ T10] netlink_rcv_skb+0x130/0x360 [ 747.623760][ T10] netlink_unicast+0x449/0x710 [ 747.623760][ T10] netlink_sendmsg+0x723/0xbe0 [ 747.623760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 747.623760][ T10] ___sys_sendmsg+0xee/0x170 [ 747.623760][ T10] __sys_sendmsg+0xcd/0x170 [ 747.623760][ T10] do_syscall_64+0xc6/0x1e0 [ 747.623760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 747.623760][ T10] [ 747.626051][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 747.626051][ T10] netdev_get_by_index+0x5e/0x80 [ 747.626051][ T10] fib6_nh_init+0x3d8/0x1580 [ 747.626051][ T10] ip6_route_info_create+0xf18/0x17d0 [ 747.626051][ T10] ip6_route_add+0x1c/0x140 [ 747.626051][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 747.626051][ T10] addrconf_add_dev+0xe2/0x170 [ 747.626051][ T10] inet6_addr_add+0x12f/0xa40 [ 747.626051][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 747.626051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 747.626051][ T10] netlink_rcv_skb+0x130/0x360 [ 747.626051][ T10] netlink_unicast+0x449/0x710 [ 747.626051][ T10] netlink_sendmsg+0x723/0xbe0 [ 747.626051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 747.626051][ T10] ___sys_sendmsg+0xee/0x170 [ 747.626051][ T10] __sys_sendmsg+0xcd/0x170 [ 747.626051][ T10] do_syscall_64+0xc6/0x1e0 [ 747.626051][ T10] [ 747.628180][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 747.628180][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 747.628180][ T10] ipv6_find_idev+0x102/0x170 [ 747.628180][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 747.628180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 747.628180][ T10] netlink_rcv_skb+0x130/0x360 [ 747.628180][ T10] netlink_unicast+0x449/0x710 [ 747.628180][ T10] netlink_sendmsg+0x723/0xbe0 [ 747.628180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 747.628180][ T10] ___sys_sendmsg+0xee/0x170 [ 747.628180][ T10] __sys_sendmsg+0xcd/0x170 [ 747.628180][ T10] do_syscall_64+0xc6/0x1e0 [ 747.628180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 747.628180][ T10] [ 747.630158][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 747.630158][ T10] neigh_parms_alloc+0x1e5/0x510 [ 747.630158][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 747.630158][ T10] ipv6_find_idev+0x102/0x170 [ 747.630158][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 747.630158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 747.630158][ T10] netlink_rcv_skb+0x130/0x360 [ 747.630158][ T10] netlink_unicast+0x449/0x710 [ 747.630158][ T10] netlink_sendmsg+0x723/0xbe0 [ 747.630158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 747.630158][ T10] ___sys_sendmsg+0xee/0x170 [ 747.630158][ T10] __sys_sendmsg+0xcd/0x170 [ 747.630158][ T10] do_syscall_64+0xc6/0x1e0 [ 747.630158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 747.630158][ T10] [ 747.632071][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 747.632314][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 747.632314][ T10] netdev_get_by_index+0x5e/0x80 [ 747.632314][ T10] fib6_nh_init+0x3d8/0x1580 [ 747.632314][ T10] ip6_route_info_create+0xf18/0x17d0 [ 747.632314][ T10] addrconf_f6i_alloc+0x265/0x560 [ 747.632314][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 747.632314][ T10] addrconf_join_anycast+0x1c0/0x220 [ 747.632314][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 747.632314][ T10] addrconf_dad_completed+0x12b/0xe20 [ 747.632314][ T10] addrconf_dad_begin+0x310/0x670 [ 747.632314][ T10] addrconf_dad_work+0x10b/0xab0 [ 747.632314][ T10] process_one_work+0x84d/0x18a0 [ 747.632314][ T10] worker_thread+0x587/0xd30 [ 747.632314][ T10] kthread+0x28a/0x350 [ 747.632314][ T10] ret_from_fork+0x31/0x70 [ 747.632314][ T10] ret_from_fork_asm+0x1a/0x30 [ 747.632314][ T10] [ 747.634518][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 747.634518][ T10] netdev_get_by_index+0x5e/0x80 [ 747.634518][ T10] fib6_nh_init+0x3d8/0x1580 [ 747.634518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 747.634518][ T10] ip6_route_add+0x1c/0x140 [ 747.634518][ T10] addrconf_prefix_route+0x2a6/0x430 [ 747.634518][ T10] inet6_addr_add+0x4f8/0xa40 [ 747.634518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 747.634518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 747.634518][ T10] netlink_rcv_skb+0x130/0x360 [ 747.634518][ T10] netlink_unicast+0x449/0x710 [ 747.634518][ T10] netlink_sendmsg+0x723/0xbe0 [ 747.634518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 747.634518][ T10] ___sys_sendmsg+0xee/0x170 [ 747.634518][ T10] __sys_sendmsg+0xcd/0x170 [ 747.634518][ T10] do_syscall_64+0xc6/0x1e0 [ 747.634518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 747.634518][ T10] [ 747.636689][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 747.636689][ T10] netdev_get_by_index+0x5e/0x80 [ 747.636689][ T10] fib6_nh_init+0x3d8/0x1580 [ 747.636689][ T10] ip6_route_info_create+0xf18/0x17d0 [ 747.636689][ T10] addrconf_f6i_alloc+0x315/0x560 [ 747.636689][ T10] ipv6_add_addr+0x411/0x2000 [ 747.636689][ T10] inet6_addr_add+0x30e/0xa40 [ 747.636689][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 747.636689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 747.636689][ T10] netlink_rcv_skb+0x130/0x360 [ 747.636689][ T10] netlink_unicast+0x449/0x710 [ 747.636689][ T10] netlink_sendmsg+0x723/0xbe0 [ 747.636689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 747.636689][ T10] ___sys_sendmsg+0xee/0x170 [ 747.636689][ T10] __sys_sendmsg+0xcd/0x170 [ 747.636689][ T10] do_syscall_64+0xc6/0x1e0 [ 747.636689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 747.636689][ T10] [ 747.638911][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 747.638911][ T10] netdev_get_by_index+0x5e/0x80 [ 747.638911][ T10] fib6_nh_init+0x3d8/0x1580 [ 747.638911][ T10] ip6_route_info_create+0xf18/0x17d0 [ 747.638911][ T10] ip6_route_add+0x1c/0x140 [ 747.638911][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 747.638911][ T10] addrconf_add_dev+0xe2/0x170 [ 747.638911][ T10] inet6_addr_add+0x12f/0xa40 [ 747.638911][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 747.638911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 747.638911][ T10] netlink_rcv_skb+0x130/0x360 [ 747.638911][ T10] netlink_unicast+0x449/0x710 [ 747.638911][ T10] netlink_sendmsg+0x723/0xbe0 [ 747.638911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 747.638911][ T10] ___sys_sendmsg+0xee/0x170 [ 747.638911][ T10] __sys_sendmsg+0xcd/0x170 [ 747.638911][ T10] do_syscall_64+0xc6/0x1e0 [ 747.638911][ T10] [ 747.641098][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 747.641098][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 747.641098][ T10] ipv6_find_idev+0x102/0x170 [ 747.641098][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 747.641098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 747.641098][ T10] netlink_rcv_skb+0x130/0x360 [ 747.641098][ T10] netlink_unicast+0x449/0x710 [ 747.641098][ T10] netlink_sendmsg+0x723/0xbe0 [ 747.641098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 747.641098][ T10] ___sys_sendmsg+0xee/0x170 [ 747.641098][ T10] __sys_sendmsg+0xcd/0x170 [ 747.641098][ T10] do_syscall_64+0xc6/0x1e0 [ 747.641098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 747.641098][ T10] [ 747.642798][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 747.642798][ T10] neigh_parms_alloc+0x1e5/0x510 [ 747.642798][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 747.642798][ T10] ipv6_find_idev+0x102/0x170 [ 747.642798][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 747.642798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 747.642798][ T10] netlink_rcv_skb+0x130/0x360 [ 747.642798][ T10] netlink_unicast+0x449/0x710 [ 747.642798][ T10] netlink_sendmsg+0x723/0xbe0 [ 747.642798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 747.642798][ T10] ___sys_sendmsg+0xee/0x170 [ 747.642798][ T10] __sys_sendmsg+0xcd/0x170 [ 747.642798][ T10] do_syscall_64+0xc6/0x1e0 [ 747.642798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 747.642798][ T10] [ 748.041188][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 748.041680][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 748.041680][ T1167] dst_init+0x84/0x4a0 [ 748.041680][ T1167] dst_alloc+0x97/0x150 [ 748.041680][ T1167] ip6_dst_alloc+0x23/0x90 [ 748.041680][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 748.041680][ T1167] ip6_pol_route+0x56f/0x840 [ 748.041680][ T1167] fib6_rule_lookup+0x334/0x630 [ 748.041680][ T1167] ip6_route_output_flags+0x259/0x480 [ 748.041680][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 748.041680][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 748.041680][ T1167] netlink_rcv_skb+0x130/0x360 [ 748.041680][ T1167] netlink_unicast+0x449/0x710 [ 748.041680][ T1167] netlink_sendmsg+0x723/0xbe0 [ 748.041680][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 748.041680][ T1167] ___sys_sendmsg+0xee/0x170 [ 748.041680][ T1167] __sys_sendmsg+0xcd/0x170 [ 748.041680][ T1167] do_syscall_64+0xc6/0x1e0 [ 748.041680][ T1167] [ 748.044062][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 748.044062][ T1167] netdev_get_by_index+0x5e/0x80 [ 748.044062][ T1167] fib6_nh_init+0x3d8/0x1580 [ 748.044062][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 748.044062][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 748.044062][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 748.044062][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 748.044062][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 748.044062][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 748.044062][ T1167] addrconf_dad_begin+0x310/0x670 [ 748.044062][ T1167] addrconf_dad_work+0x10b/0xab0 [ 748.044062][ T1167] process_one_work+0x84d/0x18a0 [ 748.044062][ T1167] worker_thread+0x587/0xd30 [ 748.044062][ T1167] kthread+0x28a/0x350 [ 748.044062][ T1167] ret_from_fork+0x31/0x70 [ 748.044062][ T1167] ret_from_fork_asm+0x1a/0x30 [ 748.044062][ T1167] [ 748.046393][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 748.046393][ T1167] netdev_get_by_index+0x5e/0x80 [ 748.046393][ T1167] fib6_nh_init+0x3d8/0x1580 [ 748.046393][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 748.046393][ T1167] ip6_route_add+0x1c/0x140 [ 748.046393][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 748.046393][ T1167] inet6_addr_add+0x4f8/0xa40 [ 748.046393][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 748.046393][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 748.046393][ T1167] netlink_rcv_skb+0x130/0x360 [ 748.046393][ T1167] netlink_unicast+0x449/0x710 [ 748.046393][ T1167] netlink_sendmsg+0x723/0xbe0 [ 748.046393][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 748.046393][ T1167] ___sys_sendmsg+0xee/0x170 [ 748.046393][ T1167] __sys_sendmsg+0xcd/0x170 [ 748.046393][ T1167] do_syscall_64+0xc6/0x1e0 [ 748.046393][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 748.046393][ T1167] [ 748.048814][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 748.048814][ T1167] netdev_get_by_index+0x5e/0x80 [ 748.048814][ T1167] fib6_nh_init+0x3d8/0x1580 [ 748.048814][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 748.048814][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 748.048814][ T1167] ipv6_add_addr+0x411/0x2000 [ 748.048814][ T1167] inet6_addr_add+0x30e/0xa40 [ 748.048814][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 748.048814][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 748.048814][ T1167] netlink_rcv_skb+0x130/0x360 [ 748.048814][ T1167] netlink_unicast+0x449/0x710 [ 748.048814][ T1167] netlink_sendmsg+0x723/0xbe0 [ 748.048814][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 748.048814][ T1167] ___sys_sendmsg+0xee/0x170 [ 748.048814][ T1167] __sys_sendmsg+0xcd/0x170 [ 748.048814][ T1167] do_syscall_64+0xc6/0x1e0 [ 748.048814][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 748.048814][ T1167] [ 748.051234][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 748.051234][ T1167] netdev_get_by_index+0x5e/0x80 [ 748.051234][ T1167] fib6_nh_init+0x3d8/0x1580 [ 748.051234][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 748.051234][ T1167] ip6_route_add+0x1c/0x140 [ 748.051234][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 748.051234][ T1167] addrconf_add_dev+0xe2/0x170 [ 748.051234][ T1167] inet6_addr_add+0x12f/0xa40 [ 748.051234][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 748.051234][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 748.051234][ T1167] netlink_rcv_skb+0x130/0x360 [ 748.051234][ T1167] netlink_unicast+0x449/0x710 [ 748.051234][ T1167] netlink_sendmsg+0x723/0xbe0 [ 748.051234][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 748.051234][ T1167] ___sys_sendmsg+0xee/0x170 [ 748.051234][ T1167] __sys_sendmsg+0xcd/0x170 [ 748.051234][ T1167] do_syscall_64+0xc6/0x1e0 [ 748.051234][ T1167] [ 748.053584][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 748.053584][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 748.053584][ T1167] ipv6_find_idev+0x102/0x170 [ 748.053584][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 748.053584][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 748.053584][ T1167] netlink_rcv_skb+0x130/0x360 [ 748.053584][ T1167] netlink_unicast+0x449/0x710 [ 748.053584][ T1167] netlink_sendmsg+0x723/0xbe0 [ 748.053584][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 748.053584][ T1167] ___sys_sendmsg+0xee/0x170 [ 748.053584][ T1167] __sys_sendmsg+0xcd/0x170 [ 748.053584][ T1167] do_syscall_64+0xc6/0x1e0 [ 748.053584][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 748.053584][ T1167] [ 748.055429][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 748.055429][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 748.055429][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 748.055429][ T1167] ipv6_find_idev+0x102/0x170 [ 748.055429][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 748.055429][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 748.055429][ T1167] netlink_rcv_skb+0x130/0x360 [ 748.055429][ T1167] netlink_unicast+0x449/0x710 [ 748.055429][ T1167] netlink_sendmsg+0x723/0xbe0 [ 748.055429][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 748.055429][ T1167] ___sys_sendmsg+0xee/0x170 [ 748.055429][ T1167] __sys_sendmsg+0xcd/0x170 [ 748.055429][ T1167] do_syscall_64+0xc6/0x1e0 [ 748.055429][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 748.055429][ T1167] [ 757.745116][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 757.745644][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 757.745644][ T10] netdev_get_by_index+0x5e/0x80 [ 757.745644][ T10] fib6_nh_init+0x3d8/0x1580 [ 757.745644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 757.745644][ T10] addrconf_f6i_alloc+0x265/0x560 [ 757.745644][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 757.745644][ T10] addrconf_join_anycast+0x1c0/0x220 [ 757.745644][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 757.745644][ T10] addrconf_dad_completed+0x12b/0xe20 [ 757.745644][ T10] addrconf_dad_begin+0x310/0x670 [ 757.745644][ T10] addrconf_dad_work+0x10b/0xab0 [ 757.745644][ T10] process_one_work+0x84d/0x18a0 [ 757.745644][ T10] worker_thread+0x587/0xd30 [ 757.745644][ T10] kthread+0x28a/0x350 [ 757.745644][ T10] ret_from_fork+0x31/0x70 [ 757.745644][ T10] ret_from_fork_asm+0x1a/0x30 [ 757.745644][ T10] [ 757.747697][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 757.747697][ T10] netdev_get_by_index+0x5e/0x80 [ 757.747697][ T10] fib6_nh_init+0x3d8/0x1580 [ 757.747697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 757.747697][ T10] ip6_route_add+0x1c/0x140 [ 757.747697][ T10] addrconf_prefix_route+0x2a6/0x430 [ 757.747697][ T10] inet6_addr_add+0x4f8/0xa40 [ 757.747697][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 757.747697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.747697][ T10] netlink_rcv_skb+0x130/0x360 [ 757.747697][ T10] netlink_unicast+0x449/0x710 [ 757.747697][ T10] netlink_sendmsg+0x723/0xbe0 [ 757.747697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 757.747697][ T10] ___sys_sendmsg+0xee/0x170 [ 757.747697][ T10] __sys_sendmsg+0xcd/0x170 [ 757.747697][ T10] do_syscall_64+0xc6/0x1e0 [ 757.747697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 757.747697][ T10] [ 757.749771][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 757.749771][ T10] netdev_get_by_index+0x5e/0x80 [ 757.749771][ T10] fib6_nh_init+0x3d8/0x1580 [ 757.749771][ T10] ip6_route_info_create+0xf18/0x17d0 [ 757.749771][ T10] addrconf_f6i_alloc+0x315/0x560 [ 757.749771][ T10] ipv6_add_addr+0x411/0x2000 [ 757.749771][ T10] inet6_addr_add+0x30e/0xa40 [ 757.749771][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 757.749771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.749771][ T10] netlink_rcv_skb+0x130/0x360 [ 757.749771][ T10] netlink_unicast+0x449/0x710 [ 757.749771][ T10] netlink_sendmsg+0x723/0xbe0 [ 757.749771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 757.749771][ T10] ___sys_sendmsg+0xee/0x170 [ 757.749771][ T10] __sys_sendmsg+0xcd/0x170 [ 757.749771][ T10] do_syscall_64+0xc6/0x1e0 [ 757.749771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 757.749771][ T10] [ 757.751855][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 757.751855][ T10] netdev_get_by_index+0x5e/0x80 [ 757.751855][ T10] fib6_nh_init+0x3d8/0x1580 [ 757.751855][ T10] ip6_route_info_create+0xf18/0x17d0 [ 757.751855][ T10] ip6_route_add+0x1c/0x140 [ 757.751855][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 757.751855][ T10] addrconf_add_dev+0xe2/0x170 [ 757.751855][ T10] inet6_addr_add+0x12f/0xa40 [ 757.751855][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 757.751855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.751855][ T10] netlink_rcv_skb+0x130/0x360 [ 757.751855][ T10] netlink_unicast+0x449/0x710 [ 757.751855][ T10] netlink_sendmsg+0x723/0xbe0 [ 757.751855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 757.751855][ T10] ___sys_sendmsg+0xee/0x170 [ 757.751855][ T10] __sys_sendmsg+0xcd/0x170 [ 757.751855][ T10] do_syscall_64+0xc6/0x1e0 [ 757.751855][ T10] [ 757.753912][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 757.753912][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 757.753912][ T10] ipv6_find_idev+0x102/0x170 [ 757.753912][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 757.753912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.753912][ T10] netlink_rcv_skb+0x130/0x360 [ 757.753912][ T10] netlink_unicast+0x449/0x710 [ 757.753912][ T10] netlink_sendmsg+0x723/0xbe0 [ 757.753912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 757.753912][ T10] ___sys_sendmsg+0xee/0x170 [ 757.753912][ T10] __sys_sendmsg+0xcd/0x170 [ 757.753912][ T10] do_syscall_64+0xc6/0x1e0 [ 757.753912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 757.753912][ T10] [ 757.755659][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 757.755659][ T10] neigh_parms_alloc+0x1e5/0x510 [ 757.755659][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 757.755659][ T10] ipv6_find_idev+0x102/0x170 [ 757.755659][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 757.755659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.755659][ T10] netlink_rcv_skb+0x130/0x360 [ 757.755659][ T10] netlink_unicast+0x449/0x710 [ 757.755659][ T10] netlink_sendmsg+0x723/0xbe0 [ 757.755659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 757.755659][ T10] ___sys_sendmsg+0xee/0x170 [ 757.755659][ T10] __sys_sendmsg+0xcd/0x170 [ 757.755659][ T10] do_syscall_64+0xc6/0x1e0 [ 757.755659][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 757.755659][ T10] [ 757.757603][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 757.757892][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 757.757892][ T10] netdev_get_by_index+0x5e/0x80 [ 757.757892][ T10] fib6_nh_init+0x3d8/0x1580 [ 757.757892][ T10] ip6_route_info_create+0xf18/0x17d0 [ 757.757892][ T10] addrconf_f6i_alloc+0x265/0x560 [ 757.757892][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 757.757892][ T10] addrconf_join_anycast+0x1c0/0x220 [ 757.757892][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 757.757892][ T10] addrconf_dad_completed+0x12b/0xe20 [ 757.757892][ T10] addrconf_dad_begin+0x310/0x670 [ 757.757892][ T10] addrconf_dad_work+0x10b/0xab0 [ 757.757892][ T10] process_one_work+0x84d/0x18a0 [ 757.757892][ T10] worker_thread+0x587/0xd30 [ 757.757892][ T10] kthread+0x28a/0x350 [ 757.757892][ T10] ret_from_fork+0x31/0x70 [ 757.757892][ T10] ret_from_fork_asm+0x1a/0x30 [ 757.757892][ T10] [ 757.759938][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 757.759938][ T10] netdev_get_by_index+0x5e/0x80 [ 757.759938][ T10] fib6_nh_init+0x3d8/0x1580 [ 757.759938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 757.759938][ T10] ip6_route_add+0x1c/0x140 [ 757.759938][ T10] addrconf_prefix_route+0x2a6/0x430 [ 757.759938][ T10] inet6_addr_add+0x4f8/0xa40 [ 757.759938][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 757.759938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.759938][ T10] netlink_rcv_skb+0x130/0x360 [ 757.759938][ T10] netlink_unicast+0x449/0x710 [ 757.759938][ T10] netlink_sendmsg+0x723/0xbe0 [ 757.759938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 757.759938][ T10] ___sys_sendmsg+0xee/0x170 [ 757.759938][ T10] __sys_sendmsg+0xcd/0x170 [ 757.759938][ T10] do_syscall_64+0xc6/0x1e0 [ 757.759938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 757.759938][ T10] [ 757.762080][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 757.762080][ T10] netdev_get_by_index+0x5e/0x80 [ 757.762080][ T10] fib6_nh_init+0x3d8/0x1580 [ 757.762080][ T10] ip6_route_info_create+0xf18/0x17d0 [ 757.762080][ T10] addrconf_f6i_alloc+0x315/0x560 [ 757.762080][ T10] ipv6_add_addr+0x411/0x2000 [ 757.762080][ T10] inet6_addr_add+0x30e/0xa40 [ 757.762080][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 757.762080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.762080][ T10] netlink_rcv_skb+0x130/0x360 [ 757.762080][ T10] netlink_unicast+0x449/0x710 [ 757.762080][ T10] netlink_sendmsg+0x723/0xbe0 [ 757.762080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 757.762080][ T10] ___sys_sendmsg+0xee/0x170 [ 757.762080][ T10] __sys_sendmsg+0xcd/0x170 [ 757.762080][ T10] do_syscall_64+0xc6/0x1e0 [ 757.762080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 757.762080][ T10] [ 757.764199][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 757.764199][ T10] netdev_get_by_index+0x5e/0x80 [ 757.764199][ T10] fib6_nh_init+0x3d8/0x1580 [ 757.764199][ T10] ip6_route_info_create+0xf18/0x17d0 [ 757.764199][ T10] ip6_route_add+0x1c/0x140 [ 757.764199][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 757.764199][ T10] addrconf_add_dev+0xe2/0x170 [ 757.764199][ T10] inet6_addr_add+0x12f/0xa40 [ 757.764199][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 757.764199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.764199][ T10] netlink_rcv_skb+0x130/0x360 [ 757.764199][ T10] netlink_unicast+0x449/0x710 [ 757.764199][ T10] netlink_sendmsg+0x723/0xbe0 [ 757.764199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 757.764199][ T10] ___sys_sendmsg+0xee/0x170 [ 757.764199][ T10] __sys_sendmsg+0xcd/0x170 [ 757.764199][ T10] do_syscall_64+0xc6/0x1e0 [ 757.764199][ T10] [ 757.766304][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 757.766304][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 757.766304][ T10] ipv6_find_idev+0x102/0x170 [ 757.766304][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 757.766304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.766304][ T10] netlink_rcv_skb+0x130/0x360 [ 757.766304][ T10] netlink_unicast+0x449/0x710 [ 757.766304][ T10] netlink_sendmsg+0x723/0xbe0 [ 757.766304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 757.766304][ T10] ___sys_sendmsg+0xee/0x170 [ 757.766304][ T10] __sys_sendmsg+0xcd/0x170 [ 757.766304][ T10] do_syscall_64+0xc6/0x1e0 [ 757.766304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 757.766304][ T10] [ 757.767876][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 757.767876][ T10] neigh_parms_alloc+0x1e5/0x510 [ 757.767876][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 757.767876][ T10] ipv6_find_idev+0x102/0x170 [ 757.767876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 757.767876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.767876][ T10] netlink_rcv_skb+0x130/0x360 [ 757.767876][ T10] netlink_unicast+0x449/0x710 [ 757.767876][ T10] netlink_sendmsg+0x723/0xbe0 [ 757.767876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 757.767876][ T10] ___sys_sendmsg+0xee/0x170 [ 757.767876][ T10] __sys_sendmsg+0xcd/0x170 [ 757.767876][ T10] do_syscall_64+0xc6/0x1e0 [ 757.767876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 757.767876][ T10] [ 757.769631][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 757.769908][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 757.769908][ T10] netdev_get_by_index+0x5e/0x80 [ 757.769908][ T10] fib6_nh_init+0x3d8/0x1580 [ 757.769908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 757.769908][ T10] addrconf_f6i_alloc+0x265/0x560 [ 757.769908][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 757.769908][ T10] addrconf_join_anycast+0x1c0/0x220 [ 757.769908][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 757.769908][ T10] addrconf_dad_completed+0x12b/0xe20 [ 757.769908][ T10] addrconf_dad_begin+0x310/0x670 [ 757.769908][ T10] addrconf_dad_work+0x10b/0xab0 [ 757.769908][ T10] process_one_work+0x84d/0x18a0 [ 757.769908][ T10] worker_thread+0x587/0xd30 [ 757.769908][ T10] kthread+0x28a/0x350 [ 757.769908][ T10] ret_from_fork+0x31/0x70 [ 757.769908][ T10] ret_from_fork_asm+0x1a/0x30 [ 757.769908][ T10] [ 757.771856][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 757.771856][ T10] netdev_get_by_index+0x5e/0x80 [ 757.771856][ T10] fib6_nh_init+0x3d8/0x1580 [ 757.771856][ T10] ip6_route_info_create+0xf18/0x17d0 [ 757.771856][ T10] ip6_route_add+0x1c/0x140 [ 757.771856][ T10] addrconf_prefix_route+0x2a6/0x430 [ 757.771856][ T10] inet6_addr_add+0x4f8/0xa40 [ 757.771856][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 757.771856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.771856][ T10] netlink_rcv_skb+0x130/0x360 [ 757.771856][ T10] netlink_unicast+0x449/0x710 [ 757.771856][ T10] netlink_sendmsg+0x723/0xbe0 [ 757.771856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 757.771856][ T10] ___sys_sendmsg+0xee/0x170 [ 757.771856][ T10] __sys_sendmsg+0xcd/0x170 [ 757.771856][ T10] do_syscall_64+0xc6/0x1e0 [ 757.771856][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 757.771856][ T10] [ 757.774157][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 757.774157][ T10] netdev_get_by_index+0x5e/0x80 [ 757.774157][ T10] fib6_nh_init+0x3d8/0x1580 [ 757.774157][ T10] ip6_route_info_create+0xf18/0x17d0 [ 757.774157][ T10] addrconf_f6i_alloc+0x315/0x560 [ 757.774157][ T10] ipv6_add_addr+0x411/0x2000 [ 757.774157][ T10] inet6_addr_add+0x30e/0xa40 [ 757.774157][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 757.774157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.774157][ T10] netlink_rcv_skb+0x130/0x360 [ 757.774157][ T10] netlink_unicast+0x449/0x710 [ 757.774157][ T10] netlink_sendmsg+0x723/0xbe0 [ 757.774157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 757.774157][ T10] ___sys_sendmsg+0xee/0x170 [ 757.774157][ T10] __sys_sendmsg+0xcd/0x170 [ 757.774157][ T10] do_syscall_64+0xc6/0x1e0 [ 757.774157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 757.774157][ T10] [ 757.776602][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 757.776602][ T10] netdev_get_by_index+0x5e/0x80 [ 757.776602][ T10] fib6_nh_init+0x3d8/0x1580 [ 757.776602][ T10] ip6_route_info_create+0xf18/0x17d0 [ 757.776602][ T10] ip6_route_add+0x1c/0x140 [ 757.776602][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 757.776602][ T10] addrconf_add_dev+0xe2/0x170 [ 757.776602][ T10] inet6_addr_add+0x12f/0xa40 [ 757.776602][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 757.776602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.776602][ T10] netlink_rcv_skb+0x130/0x360 [ 757.776602][ T10] netlink_unicast+0x449/0x710 [ 757.776602][ T10] netlink_sendmsg+0x723/0xbe0 [ 757.776602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 757.776602][ T10] ___sys_sendmsg+0xee/0x170 [ 757.776602][ T10] __sys_sendmsg+0xcd/0x170 [ 757.776602][ T10] do_syscall_64+0xc6/0x1e0 [ 757.776602][ T10] [ 757.778903][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 757.778903][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 757.778903][ T10] ipv6_find_idev+0x102/0x170 [ 757.778903][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 757.778903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.778903][ T10] netlink_rcv_skb+0x130/0x360 [ 757.778903][ T10] netlink_unicast+0x449/0x710 [ 757.778903][ T10] netlink_sendmsg+0x723/0xbe0 [ 757.778903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 757.778903][ T10] ___sys_sendmsg+0xee/0x170 [ 757.778903][ T10] __sys_sendmsg+0xcd/0x170 [ 757.778903][ T10] do_syscall_64+0xc6/0x1e0 [ 757.778903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 757.778903][ T10] [ 757.780744][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 757.780744][ T10] neigh_parms_alloc+0x1e5/0x510 [ 757.780744][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 757.780744][ T10] ipv6_find_idev+0x102/0x170 [ 757.780744][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 757.780744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.780744][ T10] netlink_rcv_skb+0x130/0x360 [ 757.780744][ T10] netlink_unicast+0x449/0x710 [ 757.780744][ T10] netlink_sendmsg+0x723/0xbe0 [ 757.780744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 757.780744][ T10] ___sys_sendmsg+0xee/0x170 [ 757.780744][ T10] __sys_sendmsg+0xcd/0x170 [ 757.780744][ T10] do_syscall_64+0xc6/0x1e0 [ 757.780744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 757.780744][ T10] [ 757.782759][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 757.783622][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 757.783622][ T10] netdev_get_by_index+0x5e/0x80 [ 757.783622][ T10] fib6_nh_init+0x3d8/0x1580 [ 757.783622][ T10] ip6_route_info_create+0xf18/0x17d0 [ 757.783622][ T10] addrconf_f6i_alloc+0x265/0x560 [ 757.783622][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 757.783622][ T10] addrconf_join_anycast+0x1c0/0x220 [ 757.783622][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 757.783622][ T10] addrconf_dad_completed+0x12b/0xe20 [ 757.783622][ T10] addrconf_dad_begin+0x310/0x670 [ 757.783622][ T10] addrconf_dad_work+0x10b/0xab0 [ 757.783622][ T10] process_one_work+0x84d/0x18a0 [ 757.783622][ T10] worker_thread+0x587/0xd30 [ 757.783622][ T10] kthread+0x28a/0x350 [ 757.783622][ T10] ret_from_fork+0x31/0x70 [ 757.783622][ T10] ret_from_fork_asm+0x1a/0x30 [ 757.783622][ T10] [ 757.785775][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 757.785775][ T10] netdev_get_by_index+0x5e/0x80 [ 757.785775][ T10] fib6_nh_init+0x3d8/0x1580 [ 757.785775][ T10] ip6_route_info_create+0xf18/0x17d0 [ 757.785775][ T10] ip6_route_add+0x1c/0x140 [ 757.785775][ T10] addrconf_prefix_route+0x2a6/0x430 [ 757.785775][ T10] inet6_addr_add+0x4f8/0xa40 [ 757.785775][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 757.785775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.785775][ T10] netlink_rcv_skb+0x130/0x360 [ 757.785775][ T10] netlink_unicast+0x449/0x710 [ 757.785775][ T10] netlink_sendmsg+0x723/0xbe0 [ 757.785775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 757.785775][ T10] ___sys_sendmsg+0xee/0x170 [ 757.785775][ T10] __sys_sendmsg+0xcd/0x170 [ 757.785775][ T10] do_syscall_64+0xc6/0x1e0 [ 757.785775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 757.785775][ T10] [ 757.787946][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 757.787946][ T10] netdev_get_by_index+0x5e/0x80 [ 757.787946][ T10] fib6_nh_init+0x3d8/0x1580 [ 757.787946][ T10] ip6_route_info_create+0xf18/0x17d0 [ 757.787946][ T10] addrconf_f6i_alloc+0x315/0x560 [ 757.787946][ T10] ipv6_add_addr+0x411/0x2000 [ 757.787946][ T10] inet6_addr_add+0x30e/0xa40 [ 757.787946][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 757.787946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.787946][ T10] netlink_rcv_skb+0x130/0x360 [ 757.787946][ T10] netlink_unicast+0x449/0x710 [ 757.787946][ T10] netlink_sendmsg+0x723/0xbe0 [ 757.787946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 757.787946][ T10] ___sys_sendmsg+0xee/0x170 [ 757.787946][ T10] __sys_sendmsg+0xcd/0x170 [ 757.787946][ T10] do_syscall_64+0xc6/0x1e0 [ 757.787946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 757.787946][ T10] [ 757.790406][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 757.790406][ T10] netdev_get_by_index+0x5e/0x80 [ 757.790406][ T10] fib6_nh_init+0x3d8/0x1580 [ 757.790406][ T10] ip6_route_info_create+0xf18/0x17d0 [ 757.790406][ T10] ip6_route_add+0x1c/0x140 [ 757.790406][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 757.790406][ T10] addrconf_add_dev+0xe2/0x170 [ 757.790406][ T10] inet6_addr_add+0x12f/0xa40 [ 757.790406][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 757.790406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.790406][ T10] netlink_rcv_skb+0x130/0x360 [ 757.790406][ T10] netlink_unicast+0x449/0x710 [ 757.790406][ T10] netlink_sendmsg+0x723/0xbe0 [ 757.790406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 757.790406][ T10] ___sys_sendmsg+0xee/0x170 [ 757.790406][ T10] __sys_sendmsg+0xcd/0x170 [ 757.790406][ T10] do_syscall_64+0xc6/0x1e0 [ 757.790406][ T10] [ 757.792684][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 757.792684][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 757.792684][ T10] ipv6_find_idev+0x102/0x170 [ 757.792684][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 757.792684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.792684][ T10] netlink_rcv_skb+0x130/0x360 [ 757.792684][ T10] netlink_unicast+0x449/0x710 [ 757.792684][ T10] netlink_sendmsg+0x723/0xbe0 [ 757.792684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 757.792684][ T10] ___sys_sendmsg+0xee/0x170 [ 757.792684][ T10] __sys_sendmsg+0xcd/0x170 [ 757.792684][ T10] do_syscall_64+0xc6/0x1e0 [ 757.792684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 757.792684][ T10] [ 757.794436][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 757.794436][ T10] neigh_parms_alloc+0x1e5/0x510 [ 757.794436][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 757.794436][ T10] ipv6_find_idev+0x102/0x170 [ 757.794436][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 757.794436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.794436][ T10] netlink_rcv_skb+0x130/0x360 [ 757.794436][ T10] netlink_unicast+0x449/0x710 [ 757.794436][ T10] netlink_sendmsg+0x723/0xbe0 [ 757.794436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 757.794436][ T10] ___sys_sendmsg+0xee/0x170 [ 757.794436][ T10] __sys_sendmsg+0xcd/0x170 [ 757.794436][ T10] do_syscall_64+0xc6/0x1e0 [ 757.794436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 757.794436][ T10] [ 758.257106][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 758.257650][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 758.257650][ T1167] dst_init+0x84/0x4a0 [ 758.257650][ T1167] dst_alloc+0x97/0x150 [ 758.257650][ T1167] ip6_dst_alloc+0x23/0x90 [ 758.257650][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 758.257650][ T1167] ip6_pol_route+0x56f/0x840 [ 758.257650][ T1167] fib6_rule_lookup+0x334/0x630 [ 758.257650][ T1167] ip6_route_output_flags+0x259/0x480 [ 758.257650][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 758.257650][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 758.257650][ T1167] netlink_rcv_skb+0x130/0x360 [ 758.257650][ T1167] netlink_unicast+0x449/0x710 [ 758.257650][ T1167] netlink_sendmsg+0x723/0xbe0 [ 758.257650][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 758.257650][ T1167] ___sys_sendmsg+0xee/0x170 [ 758.257650][ T1167] __sys_sendmsg+0xcd/0x170 [ 758.257650][ T1167] do_syscall_64+0xc6/0x1e0 [ 758.257650][ T1167] [ 758.259862][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 758.259862][ T1167] netdev_get_by_index+0x5e/0x80 [ 758.259862][ T1167] fib6_nh_init+0x3d8/0x1580 [ 758.259862][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 758.259862][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 758.259862][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 758.259862][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 758.259862][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 758.259862][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 758.259862][ T1167] addrconf_dad_begin+0x310/0x670 [ 758.259862][ T1167] addrconf_dad_work+0x10b/0xab0 [ 758.259862][ T1167] process_one_work+0x84d/0x18a0 [ 758.259862][ T1167] worker_thread+0x587/0xd30 [ 758.259862][ T1167] kthread+0x28a/0x350 [ 758.259862][ T1167] ret_from_fork+0x31/0x70 [ 758.259862][ T1167] ret_from_fork_asm+0x1a/0x30 [ 758.259862][ T1167] [ 758.262001][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 758.262001][ T1167] netdev_get_by_index+0x5e/0x80 [ 758.262001][ T1167] fib6_nh_init+0x3d8/0x1580 [ 758.262001][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 758.262001][ T1167] ip6_route_add+0x1c/0x140 [ 758.262001][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 758.262001][ T1167] inet6_addr_add+0x4f8/0xa40 [ 758.262001][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 758.262001][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 758.262001][ T1167] netlink_rcv_skb+0x130/0x360 [ 758.262001][ T1167] netlink_unicast+0x449/0x710 [ 758.262001][ T1167] netlink_sendmsg+0x723/0xbe0 [ 758.262001][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 758.262001][ T1167] ___sys_sendmsg+0xee/0x170 [ 758.262001][ T1167] __sys_sendmsg+0xcd/0x170 [ 758.262001][ T1167] do_syscall_64+0xc6/0x1e0 [ 758.262001][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 758.262001][ T1167] [ 758.264247][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 758.264247][ T1167] netdev_get_by_index+0x5e/0x80 [ 758.264247][ T1167] fib6_nh_init+0x3d8/0x1580 [ 758.264247][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 758.264247][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 758.264247][ T1167] ipv6_add_addr+0x411/0x2000 [ 758.264247][ T1167] inet6_addr_add+0x30e/0xa40 [ 758.264247][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 758.264247][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 758.264247][ T1167] netlink_rcv_skb+0x130/0x360 [ 758.264247][ T1167] netlink_unicast+0x449/0x710 [ 758.264247][ T1167] netlink_sendmsg+0x723/0xbe0 [ 758.264247][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 758.264247][ T1167] ___sys_sendmsg+0xee/0x170 [ 758.264247][ T1167] __sys_sendmsg+0xcd/0x170 [ 758.264247][ T1167] do_syscall_64+0xc6/0x1e0 [ 758.264247][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 758.264247][ T1167] [ 758.266490][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 758.266490][ T1167] netdev_get_by_index+0x5e/0x80 [ 758.266490][ T1167] fib6_nh_init+0x3d8/0x1580 [ 758.266490][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 758.266490][ T1167] ip6_route_add+0x1c/0x140 [ 758.266490][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 758.266490][ T1167] addrconf_add_dev+0xe2/0x170 [ 758.266490][ T1167] inet6_addr_add+0x12f/0xa40 [ 758.266490][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 758.266490][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 758.266490][ T1167] netlink_rcv_skb+0x130/0x360 [ 758.266490][ T1167] netlink_unicast+0x449/0x710 [ 758.266490][ T1167] netlink_sendmsg+0x723/0xbe0 [ 758.266490][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 758.266490][ T1167] ___sys_sendmsg+0xee/0x170 [ 758.266490][ T1167] __sys_sendmsg+0xcd/0x170 [ 758.266490][ T1167] do_syscall_64+0xc6/0x1e0 [ 758.266490][ T1167] [ 758.268699][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 758.268699][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 758.268699][ T1167] ipv6_find_idev+0x102/0x170 [ 758.268699][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 758.268699][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 758.268699][ T1167] netlink_rcv_skb+0x130/0x360 [ 758.268699][ T1167] netlink_unicast+0x449/0x710 [ 758.268699][ T1167] netlink_sendmsg+0x723/0xbe0 [ 758.268699][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 758.268699][ T1167] ___sys_sendmsg+0xee/0x170 [ 758.268699][ T1167] __sys_sendmsg+0xcd/0x170 [ 758.268699][ T1167] do_syscall_64+0xc6/0x1e0 [ 758.268699][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 758.268699][ T1167] [ 758.270421][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 758.270421][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 758.270421][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 758.270421][ T1167] ipv6_find_idev+0x102/0x170 [ 758.270421][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 758.270421][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 758.270421][ T1167] netlink_rcv_skb+0x130/0x360 [ 758.270421][ T1167] netlink_unicast+0x449/0x710 [ 758.270421][ T1167] netlink_sendmsg+0x723/0xbe0 [ 758.270421][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 758.270421][ T1167] ___sys_sendmsg+0xee/0x170 [ 758.270421][ T1167] __sys_sendmsg+0xcd/0x170 [ 758.270421][ T1167] do_syscall_64+0xc6/0x1e0 [ 758.270421][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 758.270421][ T1167] [ 768.049148][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 768.049616][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 768.049616][ T10] netdev_get_by_index+0x5e/0x80 [ 768.049616][ T10] fib6_nh_init+0x3d8/0x1580 [ 768.049616][ T10] ip6_route_info_create+0xf18/0x17d0 [ 768.049616][ T10] addrconf_f6i_alloc+0x265/0x560 [ 768.049616][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 768.049616][ T10] addrconf_join_anycast+0x1c0/0x220 [ 768.049616][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 768.049616][ T10] addrconf_dad_completed+0x12b/0xe20 [ 768.049616][ T10] addrconf_dad_begin+0x310/0x670 [ 768.049616][ T10] addrconf_dad_work+0x10b/0xab0 [ 768.049616][ T10] process_one_work+0x84d/0x18a0 [ 768.049616][ T10] worker_thread+0x587/0xd30 [ 768.049616][ T10] kthread+0x28a/0x350 [ 768.049616][ T10] ret_from_fork+0x31/0x70 [ 768.049616][ T10] ret_from_fork_asm+0x1a/0x30 [ 768.049616][ T10] [ 768.051595][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 768.051595][ T10] netdev_get_by_index+0x5e/0x80 [ 768.051595][ T10] fib6_nh_init+0x3d8/0x1580 [ 768.051595][ T10] ip6_route_info_create+0xf18/0x17d0 [ 768.051595][ T10] ip6_route_add+0x1c/0x140 [ 768.051595][ T10] addrconf_prefix_route+0x2a6/0x430 [ 768.051595][ T10] inet6_addr_add+0x4f8/0xa40 [ 768.051595][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 768.051595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 768.051595][ T10] netlink_rcv_skb+0x130/0x360 [ 768.051595][ T10] netlink_unicast+0x449/0x710 [ 768.051595][ T10] netlink_sendmsg+0x723/0xbe0 [ 768.051595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 768.051595][ T10] ___sys_sendmsg+0xee/0x170 [ 768.051595][ T10] __sys_sendmsg+0xcd/0x170 [ 768.051595][ T10] do_syscall_64+0xc6/0x1e0 [ 768.051595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 768.051595][ T10] [ 768.053619][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 768.053619][ T10] netdev_get_by_index+0x5e/0x80 [ 768.053619][ T10] fib6_nh_init+0x3d8/0x1580 [ 768.053619][ T10] ip6_route_info_create+0xf18/0x17d0 [ 768.053619][ T10] addrconf_f6i_alloc+0x315/0x560 [ 768.053619][ T10] ipv6_add_addr+0x411/0x2000 [ 768.053619][ T10] inet6_addr_add+0x30e/0xa40 [ 768.053619][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 768.053619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 768.053619][ T10] netlink_rcv_skb+0x130/0x360 [ 768.053619][ T10] netlink_unicast+0x449/0x710 [ 768.053619][ T10] netlink_sendmsg+0x723/0xbe0 [ 768.053619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 768.053619][ T10] ___sys_sendmsg+0xee/0x170 [ 768.053619][ T10] __sys_sendmsg+0xcd/0x170 [ 768.053619][ T10] do_syscall_64+0xc6/0x1e0 [ 768.053619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 768.053619][ T10] [ 768.055647][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 768.055647][ T10] netdev_get_by_index+0x5e/0x80 [ 768.055647][ T10] fib6_nh_init+0x3d8/0x1580 [ 768.055647][ T10] ip6_route_info_create+0xf18/0x17d0 [ 768.055647][ T10] ip6_route_add+0x1c/0x140 [ 768.055647][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 768.055647][ T10] addrconf_add_dev+0xe2/0x170 [ 768.055647][ T10] inet6_addr_add+0x12f/0xa40 [ 768.055647][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 768.055647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 768.055647][ T10] netlink_rcv_skb+0x130/0x360 [ 768.055647][ T10] netlink_unicast+0x449/0x710 [ 768.055647][ T10] netlink_sendmsg+0x723/0xbe0 [ 768.055647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 768.055647][ T10] ___sys_sendmsg+0xee/0x170 [ 768.055647][ T10] __sys_sendmsg+0xcd/0x170 [ 768.055647][ T10] do_syscall_64+0xc6/0x1e0 [ 768.055647][ T10] [ 768.057635][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 768.057635][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 768.057635][ T10] ipv6_find_idev+0x102/0x170 [ 768.057635][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 768.057635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 768.057635][ T10] netlink_rcv_skb+0x130/0x360 [ 768.057635][ T10] netlink_unicast+0x449/0x710 [ 768.057635][ T10] netlink_sendmsg+0x723/0xbe0 [ 768.057635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 768.057635][ T10] ___sys_sendmsg+0xee/0x170 [ 768.057635][ T10] __sys_sendmsg+0xcd/0x170 [ 768.057635][ T10] do_syscall_64+0xc6/0x1e0 [ 768.057635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 768.057635][ T10] [ 768.059184][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 768.059184][ T10] neigh_parms_alloc+0x1e5/0x510 [ 768.059184][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 768.059184][ T10] ipv6_find_idev+0x102/0x170 [ 768.059184][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 768.059184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 768.059184][ T10] netlink_rcv_skb+0x130/0x360 [ 768.059184][ T10] netlink_unicast+0x449/0x710 [ 768.059184][ T10] netlink_sendmsg+0x723/0xbe0 [ 768.059184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 768.059184][ T10] ___sys_sendmsg+0xee/0x170 [ 768.059184][ T10] __sys_sendmsg+0xcd/0x170 [ 768.059184][ T10] do_syscall_64+0xc6/0x1e0 [ 768.059184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 768.059184][ T10] [ 768.061115][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 768.061380][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 768.061380][ T10] netdev_get_by_index+0x5e/0x80 [ 768.061380][ T10] fib6_nh_init+0x3d8/0x1580 [ 768.061380][ T10] ip6_route_info_create+0xf18/0x17d0 [ 768.061380][ T10] addrconf_f6i_alloc+0x265/0x560 [ 768.061380][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 768.061380][ T10] addrconf_join_anycast+0x1c0/0x220 [ 768.061380][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 768.061380][ T10] addrconf_dad_completed+0x12b/0xe20 [ 768.061380][ T10] addrconf_dad_begin+0x310/0x670 [ 768.061380][ T10] addrconf_dad_work+0x10b/0xab0 [ 768.061380][ T10] process_one_work+0x84d/0x18a0 [ 768.061380][ T10] worker_thread+0x587/0xd30 [ 768.061380][ T10] kthread+0x28a/0x350 [ 768.061380][ T10] ret_from_fork+0x31/0x70 [ 768.061380][ T10] ret_from_fork_asm+0x1a/0x30 [ 768.061380][ T10] [ 768.063312][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 768.063312][ T10] netdev_get_by_index+0x5e/0x80 [ 768.063312][ T10] fib6_nh_init+0x3d8/0x1580 [ 768.063312][ T10] ip6_route_info_create+0xf18/0x17d0 [ 768.063312][ T10] ip6_route_add+0x1c/0x140 [ 768.063312][ T10] addrconf_prefix_route+0x2a6/0x430 [ 768.063312][ T10] inet6_addr_add+0x4f8/0xa40 [ 768.063312][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 768.063312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 768.063312][ T10] netlink_rcv_skb+0x130/0x360 [ 768.063312][ T10] netlink_unicast+0x449/0x710 [ 768.063312][ T10] netlink_sendmsg+0x723/0xbe0 [ 768.063312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 768.063312][ T10] ___sys_sendmsg+0xee/0x170 [ 768.063312][ T10] __sys_sendmsg+0xcd/0x170 [ 768.063312][ T10] do_syscall_64+0xc6/0x1e0 [ 768.063312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 768.063312][ T10] [ 768.065340][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 768.065340][ T10] netdev_get_by_index+0x5e/0x80 [ 768.065340][ T10] fib6_nh_init+0x3d8/0x1580 [ 768.065340][ T10] ip6_route_info_create+0xf18/0x17d0 [ 768.065340][ T10] addrconf_f6i_alloc+0x315/0x560 [ 768.065340][ T10] ipv6_add_addr+0x411/0x2000 [ 768.065340][ T10] inet6_addr_add+0x30e/0xa40 [ 768.065340][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 768.065340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 768.065340][ T10] netlink_rcv_skb+0x130/0x360 [ 768.065340][ T10] netlink_unicast+0x449/0x710 [ 768.065340][ T10] netlink_sendmsg+0x723/0xbe0 [ 768.065340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 768.065340][ T10] ___sys_sendmsg+0xee/0x170 [ 768.065340][ T10] __sys_sendmsg+0xcd/0x170 [ 768.065340][ T10] do_syscall_64+0xc6/0x1e0 [ 768.065340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 768.065340][ T10] [ 768.067352][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 768.067352][ T10] netdev_get_by_index+0x5e/0x80 [ 768.067352][ T10] fib6_nh_init+0x3d8/0x1580 [ 768.067352][ T10] ip6_route_info_create+0xf18/0x17d0 [ 768.067352][ T10] ip6_route_add+0x1c/0x140 [ 768.067352][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 768.067352][ T10] addrconf_add_dev+0xe2/0x170 [ 768.067352][ T10] inet6_addr_add+0x12f/0xa40 [ 768.067352][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 768.067352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 768.067352][ T10] netlink_rcv_skb+0x130/0x360 [ 768.067352][ T10] netlink_unicast+0x449/0x710 [ 768.067352][ T10] netlink_sendmsg+0x723/0xbe0 [ 768.067352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 768.067352][ T10] ___sys_sendmsg+0xee/0x170 [ 768.067352][ T10] __sys_sendmsg+0xcd/0x170 [ 768.067352][ T10] do_syscall_64+0xc6/0x1e0 [ 768.067352][ T10] [ 768.069329][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 768.069329][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 768.069329][ T10] ipv6_find_idev+0x102/0x170 [ 768.069329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 768.069329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 768.069329][ T10] netlink_rcv_skb+0x130/0x360 [ 768.069329][ T10] netlink_unicast+0x449/0x710 [ 768.069329][ T10] netlink_sendmsg+0x723/0xbe0 [ 768.069329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 768.069329][ T10] ___sys_sendmsg+0xee/0x170 [ 768.069329][ T10] __sys_sendmsg+0xcd/0x170 [ 768.069329][ T10] do_syscall_64+0xc6/0x1e0 [ 768.069329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 768.069329][ T10] [ 768.070879][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 768.070879][ T10] neigh_parms_alloc+0x1e5/0x510 [ 768.070879][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 768.070879][ T10] ipv6_find_idev+0x102/0x170 [ 768.070879][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 768.070879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 768.070879][ T10] netlink_rcv_skb+0x130/0x360 [ 768.070879][ T10] netlink_unicast+0x449/0x710 [ 768.070879][ T10] netlink_sendmsg+0x723/0xbe0 [ 768.070879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 768.070879][ T10] ___sys_sendmsg+0xee/0x170 [ 768.070879][ T10] __sys_sendmsg+0xcd/0x170 [ 768.070879][ T10] do_syscall_64+0xc6/0x1e0 [ 768.070879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 768.070879][ T10] [ 768.072590][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 768.072832][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 768.072832][ T10] netdev_get_by_index+0x5e/0x80 [ 768.072832][ T10] fib6_nh_init+0x3d8/0x1580 [ 768.072832][ T10] ip6_route_info_create+0xf18/0x17d0 [ 768.072832][ T10] addrconf_f6i_alloc+0x265/0x560 [ 768.072832][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 768.072832][ T10] addrconf_join_anycast+0x1c0/0x220 [ 768.072832][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 768.072832][ T10] addrconf_dad_completed+0x12b/0xe20 [ 768.072832][ T10] addrconf_dad_begin+0x310/0x670 [ 768.072832][ T10] addrconf_dad_work+0x10b/0xab0 [ 768.072832][ T10] process_one_work+0x84d/0x18a0 [ 768.072832][ T10] worker_thread+0x587/0xd30 [ 768.072832][ T10] kthread+0x28a/0x350 [ 768.072832][ T10] ret_from_fork+0x31/0x70 [ 768.072832][ T10] ret_from_fork_asm+0x1a/0x30 [ 768.072832][ T10] [ 768.074762][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 768.074762][ T10] netdev_get_by_index+0x5e/0x80 [ 768.074762][ T10] fib6_nh_init+0x3d8/0x1580 [ 768.074762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 768.074762][ T10] ip6_route_add+0x1c/0x140 [ 768.074762][ T10] addrconf_prefix_route+0x2a6/0x430 [ 768.074762][ T10] inet6_addr_add+0x4f8/0xa40 [ 768.074762][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 768.074762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 768.074762][ T10] netlink_rcv_skb+0x130/0x360 [ 768.074762][ T10] netlink_unicast+0x449/0x710 [ 768.074762][ T10] netlink_sendmsg+0x723/0xbe0 [ 768.074762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 768.074762][ T10] ___sys_sendmsg+0xee/0x170 [ 768.074762][ T10] __sys_sendmsg+0xcd/0x170 [ 768.074762][ T10] do_syscall_64+0xc6/0x1e0 [ 768.074762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 768.074762][ T10] [ 768.076958][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 768.076958][ T10] netdev_get_by_index+0x5e/0x80 [ 768.076958][ T10] fib6_nh_init+0x3d8/0x1580 [ 768.076958][ T10] ip6_route_info_create+0xf18/0x17d0 [ 768.076958][ T10] addrconf_f6i_alloc+0x315/0x560 [ 768.076958][ T10] ipv6_add_addr+0x411/0x2000 [ 768.076958][ T10] inet6_addr_add+0x30e/0xa40 [ 768.076958][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 768.076958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 768.076958][ T10] netlink_rcv_skb+0x130/0x360 [ 768.076958][ T10] netlink_unicast+0x449/0x710 [ 768.076958][ T10] netlink_sendmsg+0x723/0xbe0 [ 768.076958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 768.076958][ T10] ___sys_sendmsg+0xee/0x170 [ 768.076958][ T10] __sys_sendmsg+0xcd/0x170 [ 768.076958][ T10] do_syscall_64+0xc6/0x1e0 [ 768.076958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 768.076958][ T10] [ 768.079267][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 768.079267][ T10] netdev_get_by_index+0x5e/0x80 [ 768.079267][ T10] fib6_nh_init+0x3d8/0x1580 [ 768.079267][ T10] ip6_route_info_create+0xf18/0x17d0 [ 768.079267][ T10] ip6_route_add+0x1c/0x140 [ 768.079267][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 768.079267][ T10] addrconf_add_dev+0xe2/0x170 [ 768.079267][ T10] inet6_addr_add+0x12f/0xa40 [ 768.079267][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 768.079267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 768.079267][ T10] netlink_rcv_skb+0x130/0x360 [ 768.079267][ T10] netlink_unicast+0x449/0x710 [ 768.079267][ T10] netlink_sendmsg+0x723/0xbe0 [ 768.079267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 768.079267][ T10] ___sys_sendmsg+0xee/0x170 [ 768.079267][ T10] __sys_sendmsg+0xcd/0x170 [ 768.079267][ T10] do_syscall_64+0xc6/0x1e0 [ 768.079267][ T10] [ 768.081486][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 768.081486][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 768.081486][ T10] ipv6_find_idev+0x102/0x170 [ 768.081486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 768.081486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 768.081486][ T10] netlink_rcv_skb+0x130/0x360 [ 768.081486][ T10] netlink_unicast+0x449/0x710 [ 768.081486][ T10] netlink_sendmsg+0x723/0xbe0 [ 768.081486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 768.081486][ T10] ___sys_sendmsg+0xee/0x170 [ 768.081486][ T10] __sys_sendmsg+0xcd/0x170 [ 768.081486][ T10] do_syscall_64+0xc6/0x1e0 [ 768.081486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 768.081486][ T10] [ 768.083254][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 768.083254][ T10] neigh_parms_alloc+0x1e5/0x510 [ 768.083254][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 768.083254][ T10] ipv6_find_idev+0x102/0x170 [ 768.083254][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 768.083254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 768.083254][ T10] netlink_rcv_skb+0x130/0x360 [ 768.083254][ T10] netlink_unicast+0x449/0x710 [ 768.083254][ T10] netlink_sendmsg+0x723/0xbe0 [ 768.083254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 768.083254][ T10] ___sys_sendmsg+0xee/0x170 [ 768.083254][ T10] __sys_sendmsg+0xcd/0x170 [ 768.083254][ T10] do_syscall_64+0xc6/0x1e0 [ 768.083254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 768.083254][ T10] [ 768.085150][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 768.085445][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 768.085445][ T10] netdev_get_by_index+0x5e/0x80 [ 768.085445][ T10] fib6_nh_init+0x3d8/0x1580 [ 768.085445][ T10] ip6_route_info_create+0xf18/0x17d0 [ 768.085445][ T10] addrconf_f6i_alloc+0x265/0x560 [ 768.085445][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 768.085445][ T10] addrconf_join_anycast+0x1c0/0x220 [ 768.085445][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 768.085445][ T10] addrconf_dad_completed+0x12b/0xe20 [ 768.085445][ T10] addrconf_dad_begin+0x310/0x670 [ 768.085445][ T10] addrconf_dad_work+0x10b/0xab0 [ 768.085445][ T10] process_one_work+0x84d/0x18a0 [ 768.085445][ T10] worker_thread+0x587/0xd30 [ 768.085445][ T10] kthread+0x28a/0x350 [ 768.085445][ T10] ret_from_fork+0x31/0x70 [ 768.085445][ T10] ret_from_fork_asm+0x1a/0x30 [ 768.085445][ T10] [ 768.087610][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 768.087610][ T10] netdev_get_by_index+0x5e/0x80 [ 768.087610][ T10] fib6_nh_init+0x3d8/0x1580 [ 768.087610][ T10] ip6_route_info_create+0xf18/0x17d0 [ 768.087610][ T10] ip6_route_add+0x1c/0x140 [ 768.087610][ T10] addrconf_prefix_route+0x2a6/0x430 [ 768.087610][ T10] inet6_addr_add+0x4f8/0xa40 [ 768.087610][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 768.087610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 768.087610][ T10] netlink_rcv_skb+0x130/0x360 [ 768.087610][ T10] netlink_unicast+0x449/0x710 [ 768.087610][ T10] netlink_sendmsg+0x723/0xbe0 [ 768.087610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 768.087610][ T10] ___sys_sendmsg+0xee/0x170 [ 768.087610][ T10] __sys_sendmsg+0xcd/0x170 [ 768.087610][ T10] do_syscall_64+0xc6/0x1e0 [ 768.087610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 768.087610][ T10] [ 768.089859][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 768.089859][ T10] netdev_get_by_index+0x5e/0x80 [ 768.089859][ T10] fib6_nh_init+0x3d8/0x1580 [ 768.089859][ T10] ip6_route_info_create+0xf18/0x17d0 [ 768.089859][ T10] addrconf_f6i_alloc+0x315/0x560 [ 768.089859][ T10] ipv6_add_addr+0x411/0x2000 [ 768.089859][ T10] inet6_addr_add+0x30e/0xa40 [ 768.089859][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 768.089859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 768.089859][ T10] netlink_rcv_skb+0x130/0x360 [ 768.089859][ T10] netlink_unicast+0x449/0x710 [ 768.089859][ T10] netlink_sendmsg+0x723/0xbe0 [ 768.089859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 768.089859][ T10] ___sys_sendmsg+0xee/0x170 [ 768.089859][ T10] __sys_sendmsg+0xcd/0x170 [ 768.089859][ T10] do_syscall_64+0xc6/0x1e0 [ 768.089859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 768.089859][ T10] [ 768.092100][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 768.092100][ T10] netdev_get_by_index+0x5e/0x80 [ 768.092100][ T10] fib6_nh_init+0x3d8/0x1580 [ 768.092100][ T10] ip6_route_info_create+0xf18/0x17d0 [ 768.092100][ T10] ip6_route_add+0x1c/0x140 [ 768.092100][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 768.092100][ T10] addrconf_add_dev+0xe2/0x170 [ 768.092100][ T10] inet6_addr_add+0x12f/0xa40 [ 768.092100][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 768.092100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 768.092100][ T10] netlink_rcv_skb+0x130/0x360 [ 768.092100][ T10] netlink_unicast+0x449/0x710 [ 768.092100][ T10] netlink_sendmsg+0x723/0xbe0 [ 768.092100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 768.092100][ T10] ___sys_sendmsg+0xee/0x170 [ 768.092100][ T10] __sys_sendmsg+0xcd/0x170 [ 768.092100][ T10] do_syscall_64+0xc6/0x1e0 [ 768.092100][ T10] [ 768.094313][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 768.094313][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 768.094313][ T10] ipv6_find_idev+0x102/0x170 [ 768.094313][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 768.094313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 768.094313][ T10] netlink_rcv_skb+0x130/0x360 [ 768.094313][ T10] netlink_unicast+0x449/0x710 [ 768.094313][ T10] netlink_sendmsg+0x723/0xbe0 [ 768.094313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 768.094313][ T10] ___sys_sendmsg+0xee/0x170 [ 768.094313][ T10] __sys_sendmsg+0xcd/0x170 [ 768.094313][ T10] do_syscall_64+0xc6/0x1e0 [ 768.094313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 768.094313][ T10] [ 768.096108][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 768.096108][ T10] neigh_parms_alloc+0x1e5/0x510 [ 768.096108][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 768.096108][ T10] ipv6_find_idev+0x102/0x170 [ 768.096108][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 768.096108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 768.096108][ T10] netlink_rcv_skb+0x130/0x360 [ 768.096108][ T10] netlink_unicast+0x449/0x710 [ 768.096108][ T10] netlink_sendmsg+0x723/0xbe0 [ 768.096108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 768.096108][ T10] ___sys_sendmsg+0xee/0x170 [ 768.096108][ T10] __sys_sendmsg+0xcd/0x170 [ 768.096108][ T10] do_syscall_64+0xc6/0x1e0 [ 768.096108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 768.096108][ T10] [ 768.345144][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 768.345660][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 768.345660][ T1167] dst_init+0x84/0x4a0 [ 768.345660][ T1167] dst_alloc+0x97/0x150 [ 768.345660][ T1167] ip6_dst_alloc+0x23/0x90 [ 768.345660][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 768.345660][ T1167] ip6_pol_route+0x56f/0x840 [ 768.345660][ T1167] fib6_rule_lookup+0x334/0x630 [ 768.345660][ T1167] ip6_route_output_flags+0x259/0x480 [ 768.345660][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 768.345660][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 768.345660][ T1167] netlink_rcv_skb+0x130/0x360 [ 768.345660][ T1167] netlink_unicast+0x449/0x710 [ 768.345660][ T1167] netlink_sendmsg+0x723/0xbe0 [ 768.345660][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 768.345660][ T1167] ___sys_sendmsg+0xee/0x170 [ 768.345660][ T1167] __sys_sendmsg+0xcd/0x170 [ 768.345660][ T1167] do_syscall_64+0xc6/0x1e0 [ 768.345660][ T1167] [ 768.347995][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 768.347995][ T1167] netdev_get_by_index+0x5e/0x80 [ 768.347995][ T1167] fib6_nh_init+0x3d8/0x1580 [ 768.347995][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 768.347995][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 768.347995][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 768.347995][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 768.347995][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 768.347995][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 768.347995][ T1167] addrconf_dad_begin+0x310/0x670 [ 768.347995][ T1167] addrconf_dad_work+0x10b/0xab0 [ 768.347995][ T1167] process_one_work+0x84d/0x18a0 [ 768.347995][ T1167] worker_thread+0x587/0xd30 [ 768.347995][ T1167] kthread+0x28a/0x350 [ 768.347995][ T1167] ret_from_fork+0x31/0x70 [ 768.347995][ T1167] ret_from_fork_asm+0x1a/0x30 [ 768.347995][ T1167] [ 768.350314][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 768.350314][ T1167] netdev_get_by_index+0x5e/0x80 [ 768.350314][ T1167] fib6_nh_init+0x3d8/0x1580 [ 768.350314][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 768.350314][ T1167] ip6_route_add+0x1c/0x140 [ 768.350314][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 768.350314][ T1167] inet6_addr_add+0x4f8/0xa40 [ 768.350314][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 768.350314][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 768.350314][ T1167] netlink_rcv_skb+0x130/0x360 [ 768.350314][ T1167] netlink_unicast+0x449/0x710 [ 768.350314][ T1167] netlink_sendmsg+0x723/0xbe0 [ 768.350314][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 768.350314][ T1167] ___sys_sendmsg+0xee/0x170 [ 768.350314][ T1167] __sys_sendmsg+0xcd/0x170 [ 768.350314][ T1167] do_syscall_64+0xc6/0x1e0 [ 768.350314][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 768.350314][ T1167] [ 768.352735][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 768.352735][ T1167] netdev_get_by_index+0x5e/0x80 [ 768.352735][ T1167] fib6_nh_init+0x3d8/0x1580 [ 768.352735][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 768.352735][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 768.352735][ T1167] ipv6_add_addr+0x411/0x2000 [ 768.352735][ T1167] inet6_addr_add+0x30e/0xa40 [ 768.352735][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 768.352735][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 768.352735][ T1167] netlink_rcv_skb+0x130/0x360 [ 768.352735][ T1167] netlink_unicast+0x449/0x710 [ 768.352735][ T1167] netlink_sendmsg+0x723/0xbe0 [ 768.352735][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 768.352735][ T1167] ___sys_sendmsg+0xee/0x170 [ 768.352735][ T1167] __sys_sendmsg+0xcd/0x170 [ 768.352735][ T1167] do_syscall_64+0xc6/0x1e0 [ 768.352735][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 768.352735][ T1167] [ 768.354984][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 768.354984][ T1167] netdev_get_by_index+0x5e/0x80 [ 768.354984][ T1167] fib6_nh_init+0x3d8/0x1580 [ 768.354984][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 768.354984][ T1167] ip6_route_add+0x1c/0x140 [ 768.354984][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 768.354984][ T1167] addrconf_add_dev+0xe2/0x170 [ 768.354984][ T1167] inet6_addr_add+0x12f/0xa40 [ 768.354984][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 768.354984][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 768.354984][ T1167] netlink_rcv_skb+0x130/0x360 [ 768.354984][ T1167] netlink_unicast+0x449/0x710 [ 768.354984][ T1167] netlink_sendmsg+0x723/0xbe0 [ 768.354984][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 768.354984][ T1167] ___sys_sendmsg+0xee/0x170 [ 768.354984][ T1167] __sys_sendmsg+0xcd/0x170 [ 768.354984][ T1167] do_syscall_64+0xc6/0x1e0 [ 768.354984][ T1167] [ 768.357191][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 768.357191][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 768.357191][ T1167] ipv6_find_idev+0x102/0x170 [ 768.357191][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 768.357191][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 768.357191][ T1167] netlink_rcv_skb+0x130/0x360 [ 768.357191][ T1167] netlink_unicast+0x449/0x710 [ 768.357191][ T1167] netlink_sendmsg+0x723/0xbe0 [ 768.357191][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 768.357191][ T1167] ___sys_sendmsg+0xee/0x170 [ 768.357191][ T1167] __sys_sendmsg+0xcd/0x170 [ 768.357191][ T1167] do_syscall_64+0xc6/0x1e0 [ 768.357191][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 768.357191][ T1167] [ 768.358905][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 768.358905][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 768.358905][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 768.358905][ T1167] ipv6_find_idev+0x102/0x170 [ 768.358905][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 768.358905][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 768.358905][ T1167] netlink_rcv_skb+0x130/0x360 [ 768.358905][ T1167] netlink_unicast+0x449/0x710 [ 768.358905][ T1167] netlink_sendmsg+0x723/0xbe0 [ 768.358905][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 768.358905][ T1167] ___sys_sendmsg+0xee/0x170 [ 768.358905][ T1167] __sys_sendmsg+0xcd/0x170 [ 768.358905][ T1167] do_syscall_64+0xc6/0x1e0 [ 768.358905][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 768.358905][ T1167] [ 778.337118][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 778.337685][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 778.337685][ T10] netdev_get_by_index+0x5e/0x80 [ 778.337685][ T10] fib6_nh_init+0x3d8/0x1580 [ 778.337685][ T10] ip6_route_info_create+0xf18/0x17d0 [ 778.337685][ T10] addrconf_f6i_alloc+0x265/0x560 [ 778.337685][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 778.337685][ T10] addrconf_join_anycast+0x1c0/0x220 [ 778.337685][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 778.337685][ T10] addrconf_dad_completed+0x12b/0xe20 [ 778.337685][ T10] addrconf_dad_begin+0x310/0x670 [ 778.337685][ T10] addrconf_dad_work+0x10b/0xab0 [ 778.337685][ T10] process_one_work+0x84d/0x18a0 [ 778.337685][ T10] worker_thread+0x587/0xd30 [ 778.337685][ T10] kthread+0x28a/0x350 [ 778.337685][ T10] ret_from_fork+0x31/0x70 [ 778.337685][ T10] ret_from_fork_asm+0x1a/0x30 [ 778.337685][ T10] [ 778.341370][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 778.341370][ T10] netdev_get_by_index+0x5e/0x80 [ 778.341370][ T10] fib6_nh_init+0x3d8/0x1580 [ 778.341370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 778.341370][ T10] ip6_route_add+0x1c/0x140 [ 778.341370][ T10] addrconf_prefix_route+0x2a6/0x430 [ 778.341370][ T10] inet6_addr_add+0x4f8/0xa40 [ 778.341370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 778.341370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 778.341370][ T10] netlink_rcv_skb+0x130/0x360 [ 778.341370][ T10] netlink_unicast+0x449/0x710 [ 778.341370][ T10] netlink_sendmsg+0x723/0xbe0 [ 778.341370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 778.341370][ T10] ___sys_sendmsg+0xee/0x170 [ 778.341370][ T10] __sys_sendmsg+0xcd/0x170 [ 778.341370][ T10] do_syscall_64+0xc6/0x1e0 [ 778.341370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 778.341370][ T10] [ 778.344684][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 778.344684][ T10] netdev_get_by_index+0x5e/0x80 [ 778.344684][ T10] fib6_nh_init+0x3d8/0x1580 [ 778.344684][ T10] ip6_route_info_create+0xf18/0x17d0 [ 778.344684][ T10] addrconf_f6i_alloc+0x315/0x560 [ 778.344684][ T10] ipv6_add_addr+0x411/0x2000 [ 778.344684][ T10] inet6_addr_add+0x30e/0xa40 [ 778.344684][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 778.344684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 778.344684][ T10] netlink_rcv_skb+0x130/0x360 [ 778.344684][ T10] netlink_unicast+0x449/0x710 [ 778.344684][ T10] netlink_sendmsg+0x723/0xbe0 [ 778.344684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 778.344684][ T10] ___sys_sendmsg+0xee/0x170 [ 778.344684][ T10] __sys_sendmsg+0xcd/0x170 [ 778.344684][ T10] do_syscall_64+0xc6/0x1e0 [ 778.344684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 778.344684][ T10] [ 778.348079][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 778.348079][ T10] netdev_get_by_index+0x5e/0x80 [ 778.348079][ T10] fib6_nh_init+0x3d8/0x1580 [ 778.348079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 778.348079][ T10] ip6_route_add+0x1c/0x140 [ 778.348079][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 778.348079][ T10] addrconf_add_dev+0xe2/0x170 [ 778.348079][ T10] inet6_addr_add+0x12f/0xa40 [ 778.348079][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 778.348079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 778.348079][ T10] netlink_rcv_skb+0x130/0x360 [ 778.348079][ T10] netlink_unicast+0x449/0x710 [ 778.348079][ T10] netlink_sendmsg+0x723/0xbe0 [ 778.348079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 778.348079][ T10] ___sys_sendmsg+0xee/0x170 [ 778.348079][ T10] __sys_sendmsg+0xcd/0x170 [ 778.348079][ T10] do_syscall_64+0xc6/0x1e0 [ 778.348079][ T10] [ 778.351316][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 778.351316][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 778.351316][ T10] ipv6_find_idev+0x102/0x170 [ 778.351316][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 778.351316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 778.351316][ T10] netlink_rcv_skb+0x130/0x360 [ 778.351316][ T10] netlink_unicast+0x449/0x710 [ 778.351316][ T10] netlink_sendmsg+0x723/0xbe0 [ 778.351316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 778.351316][ T10] ___sys_sendmsg+0xee/0x170 [ 778.351316][ T10] __sys_sendmsg+0xcd/0x170 [ 778.351316][ T10] do_syscall_64+0xc6/0x1e0 [ 778.351316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 778.351316][ T10] [ 778.353862][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 778.353862][ T10] neigh_parms_alloc+0x1e5/0x510 [ 778.353862][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 778.353862][ T10] ipv6_find_idev+0x102/0x170 [ 778.353862][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 778.353862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 778.353862][ T10] netlink_rcv_skb+0x130/0x360 [ 778.353862][ T10] netlink_unicast+0x449/0x710 [ 778.353862][ T10] netlink_sendmsg+0x723/0xbe0 [ 778.353862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 778.353862][ T10] ___sys_sendmsg+0xee/0x170 [ 778.353862][ T10] __sys_sendmsg+0xcd/0x170 [ 778.353862][ T10] do_syscall_64+0xc6/0x1e0 [ 778.353862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 778.353862][ T10] [ 778.356624][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 778.357013][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 778.357013][ T10] netdev_get_by_index+0x5e/0x80 [ 778.357013][ T10] fib6_nh_init+0x3d8/0x1580 [ 778.357013][ T10] ip6_route_info_create+0xf18/0x17d0 [ 778.357013][ T10] addrconf_f6i_alloc+0x265/0x560 [ 778.357013][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 778.357013][ T10] addrconf_join_anycast+0x1c0/0x220 [ 778.357013][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 778.357013][ T10] addrconf_dad_completed+0x12b/0xe20 [ 778.357013][ T10] addrconf_dad_begin+0x310/0x670 [ 778.357013][ T10] addrconf_dad_work+0x10b/0xab0 [ 778.357013][ T10] process_one_work+0x84d/0x18a0 [ 778.357013][ T10] worker_thread+0x587/0xd30 [ 778.357013][ T10] kthread+0x28a/0x350 [ 778.357013][ T10] ret_from_fork+0x31/0x70 [ 778.357013][ T10] ret_from_fork_asm+0x1a/0x30 [ 778.357013][ T10] [ 778.360117][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 778.360117][ T10] netdev_get_by_index+0x5e/0x80 [ 778.360117][ T10] fib6_nh_init+0x3d8/0x1580 [ 778.360117][ T10] ip6_route_info_create+0xf18/0x17d0 [ 778.360117][ T10] ip6_route_add+0x1c/0x140 [ 778.360117][ T10] addrconf_prefix_route+0x2a6/0x430 [ 778.360117][ T10] inet6_addr_add+0x4f8/0xa40 [ 778.360117][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 778.360117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 778.360117][ T10] netlink_rcv_skb+0x130/0x360 [ 778.360117][ T10] netlink_unicast+0x449/0x710 [ 778.360117][ T10] netlink_sendmsg+0x723/0xbe0 [ 778.360117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 778.360117][ T10] ___sys_sendmsg+0xee/0x170 [ 778.360117][ T10] __sys_sendmsg+0xcd/0x170 [ 778.360117][ T10] do_syscall_64+0xc6/0x1e0 [ 778.360117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 778.360117][ T10] [ 778.363411][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 778.363411][ T10] netdev_get_by_index+0x5e/0x80 [ 778.363411][ T10] fib6_nh_init+0x3d8/0x1580 [ 778.363411][ T10] ip6_route_info_create+0xf18/0x17d0 [ 778.363411][ T10] addrconf_f6i_alloc+0x315/0x560 [ 778.363411][ T10] ipv6_add_addr+0x411/0x2000 [ 778.363411][ T10] inet6_addr_add+0x30e/0xa40 [ 778.363411][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 778.363411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 778.363411][ T10] netlink_rcv_skb+0x130/0x360 [ 778.363411][ T10] netlink_unicast+0x449/0x710 [ 778.363411][ T10] netlink_sendmsg+0x723/0xbe0 [ 778.363411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 778.363411][ T10] ___sys_sendmsg+0xee/0x170 [ 778.363411][ T10] __sys_sendmsg+0xcd/0x170 [ 778.363411][ T10] do_syscall_64+0xc6/0x1e0 [ 778.363411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 778.363411][ T10] [ 778.366762][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 778.366762][ T10] netdev_get_by_index+0x5e/0x80 [ 778.366762][ T10] fib6_nh_init+0x3d8/0x1580 [ 778.366762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 778.366762][ T10] ip6_route_add+0x1c/0x140 [ 778.366762][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 778.366762][ T10] addrconf_add_dev+0xe2/0x170 [ 778.366762][ T10] inet6_addr_add+0x12f/0xa40 [ 778.366762][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 778.366762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 778.366762][ T10] netlink_rcv_skb+0x130/0x360 [ 778.366762][ T10] netlink_unicast+0x449/0x710 [ 778.366762][ T10] netlink_sendmsg+0x723/0xbe0 [ 778.366762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 778.366762][ T10] ___sys_sendmsg+0xee/0x170 [ 778.366762][ T10] __sys_sendmsg+0xcd/0x170 [ 778.366762][ T10] do_syscall_64+0xc6/0x1e0 [ 778.366762][ T10] [ 778.370062][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 778.370062][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 778.370062][ T10] ipv6_find_idev+0x102/0x170 [ 778.370062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 778.370062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 778.370062][ T10] netlink_rcv_skb+0x130/0x360 [ 778.370062][ T10] netlink_unicast+0x449/0x710 [ 778.370062][ T10] netlink_sendmsg+0x723/0xbe0 [ 778.370062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 778.370062][ T10] ___sys_sendmsg+0xee/0x170 [ 778.370062][ T10] __sys_sendmsg+0xcd/0x170 [ 778.370062][ T10] do_syscall_64+0xc6/0x1e0 [ 778.370062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 778.370062][ T10] [ 778.372669][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 778.372669][ T10] neigh_parms_alloc+0x1e5/0x510 [ 778.372669][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 778.372669][ T10] ipv6_find_idev+0x102/0x170 [ 778.372669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 778.372669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 778.372669][ T10] netlink_rcv_skb+0x130/0x360 [ 778.372669][ T10] netlink_unicast+0x449/0x710 [ 778.372669][ T10] netlink_sendmsg+0x723/0xbe0 [ 778.372669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 778.372669][ T10] ___sys_sendmsg+0xee/0x170 [ 778.372669][ T10] __sys_sendmsg+0xcd/0x170 [ 778.372669][ T10] do_syscall_64+0xc6/0x1e0 [ 778.372669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 778.372669][ T10] [ 778.375547][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 778.375960][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 778.375960][ T10] netdev_get_by_index+0x5e/0x80 [ 778.375960][ T10] fib6_nh_init+0x3d8/0x1580 [ 778.375960][ T10] ip6_route_info_create+0xf18/0x17d0 [ 778.375960][ T10] addrconf_f6i_alloc+0x265/0x560 [ 778.375960][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 778.375960][ T10] addrconf_join_anycast+0x1c0/0x220 [ 778.375960][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 778.375960][ T10] addrconf_dad_completed+0x12b/0xe20 [ 778.375960][ T10] addrconf_dad_begin+0x310/0x670 [ 778.375960][ T10] addrconf_dad_work+0x10b/0xab0 [ 778.375960][ T10] process_one_work+0x84d/0x18a0 [ 778.375960][ T10] worker_thread+0x587/0xd30 [ 778.375960][ T10] kthread+0x28a/0x350 [ 778.375960][ T10] ret_from_fork+0x31/0x70 [ 778.375960][ T10] ret_from_fork_asm+0x1a/0x30 [ 778.375960][ T10] [ 778.379219][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 778.379219][ T10] netdev_get_by_index+0x5e/0x80 [ 778.379219][ T10] fib6_nh_init+0x3d8/0x1580 [ 778.379219][ T10] ip6_route_info_create+0xf18/0x17d0 [ 778.379219][ T10] ip6_route_add+0x1c/0x140 [ 778.379219][ T10] addrconf_prefix_route+0x2a6/0x430 [ 778.379219][ T10] inet6_addr_add+0x4f8/0xa40 [ 778.379219][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 778.379219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 778.379219][ T10] netlink_rcv_skb+0x130/0x360 [ 778.379219][ T10] netlink_unicast+0x449/0x710 [ 778.379219][ T10] netlink_sendmsg+0x723/0xbe0 [ 778.379219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 778.379219][ T10] ___sys_sendmsg+0xee/0x170 [ 778.379219][ T10] __sys_sendmsg+0xcd/0x170 [ 778.379219][ T10] do_syscall_64+0xc6/0x1e0 [ 778.379219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 778.379219][ T10] [ 778.382758][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 778.382758][ T10] netdev_get_by_index+0x5e/0x80 [ 778.382758][ T10] fib6_nh_init+0x3d8/0x1580 [ 778.382758][ T10] ip6_route_info_create+0xf18/0x17d0 [ 778.382758][ T10] addrconf_f6i_alloc+0x315/0x560 [ 778.382758][ T10] ipv6_add_addr+0x411/0x2000 [ 778.382758][ T10] inet6_addr_add+0x30e/0xa40 [ 778.382758][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 778.382758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 778.382758][ T10] netlink_rcv_skb+0x130/0x360 [ 778.382758][ T10] netlink_unicast+0x449/0x710 [ 778.382758][ T10] netlink_sendmsg+0x723/0xbe0 [ 778.382758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 778.382758][ T10] ___sys_sendmsg+0xee/0x170 [ 778.382758][ T10] __sys_sendmsg+0xcd/0x170 [ 778.382758][ T10] do_syscall_64+0xc6/0x1e0 [ 778.382758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 778.382758][ T10] [ 778.386221][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 778.386221][ T10] netdev_get_by_index+0x5e/0x80 [ 778.386221][ T10] fib6_nh_init+0x3d8/0x1580 [ 778.386221][ T10] ip6_route_info_create+0xf18/0x17d0 [ 778.386221][ T10] ip6_route_add+0x1c/0x140 [ 778.386221][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 778.386221][ T10] addrconf_add_dev+0xe2/0x170 [ 778.386221][ T10] inet6_addr_add+0x12f/0xa40 [ 778.386221][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 778.386221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 778.386221][ T10] netlink_rcv_skb+0x130/0x360 [ 778.386221][ T10] netlink_unicast+0x449/0x710 [ 778.386221][ T10] netlink_sendmsg+0x723/0xbe0 [ 778.386221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 778.386221][ T10] ___sys_sendmsg+0xee/0x170 [ 778.386221][ T10] __sys_sendmsg+0xcd/0x170 [ 778.386221][ T10] do_syscall_64+0xc6/0x1e0 [ 778.386221][ T10] [ 778.389672][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 778.389672][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 778.389672][ T10] ipv6_find_idev+0x102/0x170 [ 778.389672][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 778.389672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 778.389672][ T10] netlink_rcv_skb+0x130/0x360 [ 778.389672][ T10] netlink_unicast+0x449/0x710 [ 778.389672][ T10] netlink_sendmsg+0x723/0xbe0 [ 778.389672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 778.389672][ T10] ___sys_sendmsg+0xee/0x170 [ 778.389672][ T10] __sys_sendmsg+0xcd/0x170 [ 778.389672][ T10] do_syscall_64+0xc6/0x1e0 [ 778.389672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 778.389672][ T10] [ 778.392367][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 778.392367][ T10] neigh_parms_alloc+0x1e5/0x510 [ 778.392367][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 778.392367][ T10] ipv6_find_idev+0x102/0x170 [ 778.392367][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 778.392367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 778.392367][ T10] netlink_rcv_skb+0x130/0x360 [ 778.392367][ T10] netlink_unicast+0x449/0x710 [ 778.392367][ T10] netlink_sendmsg+0x723/0xbe0 [ 778.392367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 778.392367][ T10] ___sys_sendmsg+0xee/0x170 [ 778.392367][ T10] __sys_sendmsg+0xcd/0x170 [ 778.392367][ T10] do_syscall_64+0xc6/0x1e0 [ 778.392367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 778.392367][ T10] [ 778.395504][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 778.396029][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 778.396029][ T10] netdev_get_by_index+0x5e/0x80 [ 778.396029][ T10] fib6_nh_init+0x3d8/0x1580 [ 778.396029][ T10] ip6_route_info_create+0xf18/0x17d0 [ 778.396029][ T10] addrconf_f6i_alloc+0x265/0x560 [ 778.396029][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 778.396029][ T10] addrconf_join_anycast+0x1c0/0x220 [ 778.396029][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 778.396029][ T10] addrconf_dad_completed+0x12b/0xe20 [ 778.396029][ T10] addrconf_dad_begin+0x310/0x670 [ 778.396029][ T10] addrconf_dad_work+0x10b/0xab0 [ 778.396029][ T10] process_one_work+0x84d/0x18a0 [ 778.396029][ T10] worker_thread+0x587/0xd30 [ 778.396029][ T10] kthread+0x28a/0x350 [ 778.396029][ T10] ret_from_fork+0x31/0x70 [ 778.396029][ T10] ret_from_fork_asm+0x1a/0x30 [ 778.396029][ T10] [ 778.399349][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 778.399349][ T10] netdev_get_by_index+0x5e/0x80 [ 778.399349][ T10] fib6_nh_init+0x3d8/0x1580 [ 778.399349][ T10] ip6_route_info_create+0xf18/0x17d0 [ 778.399349][ T10] ip6_route_add+0x1c/0x140 [ 778.399349][ T10] addrconf_prefix_route+0x2a6/0x430 [ 778.399349][ T10] inet6_addr_add+0x4f8/0xa40 [ 778.399349][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 778.399349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 778.399349][ T10] netlink_rcv_skb+0x130/0x360 [ 778.399349][ T10] netlink_unicast+0x449/0x710 [ 778.399349][ T10] netlink_sendmsg+0x723/0xbe0 [ 778.399349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 778.399349][ T10] ___sys_sendmsg+0xee/0x170 [ 778.399349][ T10] __sys_sendmsg+0xcd/0x170 [ 778.399349][ T10] do_syscall_64+0xc6/0x1e0 [ 778.399349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 778.399349][ T10] [ 778.402978][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 778.402978][ T10] netdev_get_by_index+0x5e/0x80 [ 778.402978][ T10] fib6_nh_init+0x3d8/0x1580 [ 778.402978][ T10] ip6_route_info_create+0xf18/0x17d0 [ 778.402978][ T10] addrconf_f6i_alloc+0x315/0x560 [ 778.402978][ T10] ipv6_add_addr+0x411/0x2000 [ 778.402978][ T10] inet6_addr_add+0x30e/0xa40 [ 778.402978][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 778.402978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 778.402978][ T10] netlink_rcv_skb+0x130/0x360 [ 778.402978][ T10] netlink_unicast+0x449/0x710 [ 778.402978][ T10] netlink_sendmsg+0x723/0xbe0 [ 778.402978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 778.402978][ T10] ___sys_sendmsg+0xee/0x170 [ 778.402978][ T10] __sys_sendmsg+0xcd/0x170 [ 778.402978][ T10] do_syscall_64+0xc6/0x1e0 [ 778.402978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 778.402978][ T10] [ 778.406424][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 778.406424][ T10] netdev_get_by_index+0x5e/0x80 [ 778.406424][ T10] fib6_nh_init+0x3d8/0x1580 [ 778.406424][ T10] ip6_route_info_create+0xf18/0x17d0 [ 778.406424][ T10] ip6_route_add+0x1c/0x140 [ 778.406424][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 778.406424][ T10] addrconf_add_dev+0xe2/0x170 [ 778.406424][ T10] inet6_addr_add+0x12f/0xa40 [ 778.406424][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 778.406424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 778.406424][ T10] netlink_rcv_skb+0x130/0x360 [ 778.406424][ T10] netlink_unicast+0x449/0x710 [ 778.406424][ T10] netlink_sendmsg+0x723/0xbe0 [ 778.406424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 778.406424][ T10] ___sys_sendmsg+0xee/0x170 [ 778.406424][ T10] __sys_sendmsg+0xcd/0x170 [ 778.406424][ T10] do_syscall_64+0xc6/0x1e0 [ 778.406424][ T10] [ 778.409975][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 778.409975][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 778.409975][ T10] ipv6_find_idev+0x102/0x170 [ 778.409975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 778.409975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 778.409975][ T10] netlink_rcv_skb+0x130/0x360 [ 778.409975][ T10] netlink_unicast+0x449/0x710 [ 778.409975][ T10] netlink_sendmsg+0x723/0xbe0 [ 778.409975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 778.409975][ T10] ___sys_sendmsg+0xee/0x170 [ 778.409975][ T10] __sys_sendmsg+0xcd/0x170 [ 778.409975][ T10] do_syscall_64+0xc6/0x1e0 [ 778.409975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 778.409975][ T10] [ 778.412669][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 778.412669][ T10] neigh_parms_alloc+0x1e5/0x510 [ 778.412669][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 778.412669][ T10] ipv6_find_idev+0x102/0x170 [ 778.412669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 778.412669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 778.412669][ T10] netlink_rcv_skb+0x130/0x360 [ 778.412669][ T10] netlink_unicast+0x449/0x710 [ 778.412669][ T10] netlink_sendmsg+0x723/0xbe0 [ 778.412669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 778.412669][ T10] ___sys_sendmsg+0xee/0x170 [ 778.412669][ T10] __sys_sendmsg+0xcd/0x170 [ 778.412669][ T10] do_syscall_64+0xc6/0x1e0 [ 778.412669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 778.412669][ T10] [ 778.601132][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 778.601629][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 778.601629][ T1167] dst_init+0x84/0x4a0 [ 778.601629][ T1167] dst_alloc+0x97/0x150 [ 778.601629][ T1167] ip6_dst_alloc+0x23/0x90 [ 778.601629][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 778.601629][ T1167] ip6_pol_route+0x56f/0x840 [ 778.601629][ T1167] fib6_rule_lookup+0x334/0x630 [ 778.601629][ T1167] ip6_route_output_flags+0x259/0x480 [ 778.601629][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 778.601629][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 778.601629][ T1167] netlink_rcv_skb+0x130/0x360 [ 778.601629][ T1167] netlink_unicast+0x449/0x710 [ 778.601629][ T1167] netlink_sendmsg+0x723/0xbe0 [ 778.601629][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 778.601629][ T1167] ___sys_sendmsg+0xee/0x170 [ 778.601629][ T1167] __sys_sendmsg+0xcd/0x170 [ 778.601629][ T1167] do_syscall_64+0xc6/0x1e0 [ 778.601629][ T1167] [ 778.604022][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 778.604022][ T1167] netdev_get_by_index+0x5e/0x80 [ 778.604022][ T1167] fib6_nh_init+0x3d8/0x1580 [ 778.604022][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 778.604022][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 778.604022][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 778.604022][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 778.604022][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 778.604022][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 778.604022][ T1167] addrconf_dad_begin+0x310/0x670 [ 778.604022][ T1167] addrconf_dad_work+0x10b/0xab0 [ 778.604022][ T1167] process_one_work+0x84d/0x18a0 [ 778.604022][ T1167] worker_thread+0x587/0xd30 [ 778.604022][ T1167] kthread+0x28a/0x350 [ 778.604022][ T1167] ret_from_fork+0x31/0x70 [ 778.604022][ T1167] ret_from_fork_asm+0x1a/0x30 [ 778.604022][ T1167] [ 778.606358][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 778.606358][ T1167] netdev_get_by_index+0x5e/0x80 [ 778.606358][ T1167] fib6_nh_init+0x3d8/0x1580 [ 778.606358][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 778.606358][ T1167] ip6_route_add+0x1c/0x140 [ 778.606358][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 778.606358][ T1167] inet6_addr_add+0x4f8/0xa40 [ 778.606358][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 778.606358][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 778.606358][ T1167] netlink_rcv_skb+0x130/0x360 [ 778.606358][ T1167] netlink_unicast+0x449/0x710 [ 778.606358][ T1167] netlink_sendmsg+0x723/0xbe0 [ 778.606358][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 778.606358][ T1167] ___sys_sendmsg+0xee/0x170 [ 778.606358][ T1167] __sys_sendmsg+0xcd/0x170 [ 778.606358][ T1167] do_syscall_64+0xc6/0x1e0 [ 778.606358][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 778.606358][ T1167] [ 778.608630][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 778.608630][ T1167] netdev_get_by_index+0x5e/0x80 [ 778.608630][ T1167] fib6_nh_init+0x3d8/0x1580 [ 778.608630][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 778.608630][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 778.608630][ T1167] ipv6_add_addr+0x411/0x2000 [ 778.608630][ T1167] inet6_addr_add+0x30e/0xa40 [ 778.608630][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 778.608630][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 778.608630][ T1167] netlink_rcv_skb+0x130/0x360 [ 778.608630][ T1167] netlink_unicast+0x449/0x710 [ 778.608630][ T1167] netlink_sendmsg+0x723/0xbe0 [ 778.608630][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 778.608630][ T1167] ___sys_sendmsg+0xee/0x170 [ 778.608630][ T1167] __sys_sendmsg+0xcd/0x170 [ 778.608630][ T1167] do_syscall_64+0xc6/0x1e0 [ 778.608630][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 778.608630][ T1167] [ 778.611689][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 778.611689][ T1167] netdev_get_by_index+0x5e/0x80 [ 778.611689][ T1167] fib6_nh_init+0x3d8/0x1580 [ 778.611689][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 778.611689][ T1167] ip6_route_add+0x1c/0x140 [ 778.611689][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 778.611689][ T1167] addrconf_add_dev+0xe2/0x170 [ 778.611689][ T1167] inet6_addr_add+0x12f/0xa40 [ 778.611689][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 778.611689][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 778.611689][ T1167] netlink_rcv_skb+0x130/0x360 [ 778.611689][ T1167] netlink_unicast+0x449/0x710 [ 778.611689][ T1167] netlink_sendmsg+0x723/0xbe0 [ 778.611689][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 778.611689][ T1167] ___sys_sendmsg+0xee/0x170 [ 778.611689][ T1167] __sys_sendmsg+0xcd/0x170 [ 778.611689][ T1167] do_syscall_64+0xc6/0x1e0 [ 778.611689][ T1167] [ 778.615197][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 778.615197][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 778.615197][ T1167] ipv6_find_idev+0x102/0x170 [ 778.615197][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 778.615197][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 778.615197][ T1167] netlink_rcv_skb+0x130/0x360 [ 778.615197][ T1167] netlink_unicast+0x449/0x710 [ 778.615197][ T1167] netlink_sendmsg+0x723/0xbe0 [ 778.615197][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 778.615197][ T1167] ___sys_sendmsg+0xee/0x170 [ 778.615197][ T1167] __sys_sendmsg+0xcd/0x170 [ 778.615197][ T1167] do_syscall_64+0xc6/0x1e0 [ 778.615197][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 778.615197][ T1167] [ 778.617961][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 778.617961][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 778.617961][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 778.617961][ T1167] ipv6_find_idev+0x102/0x170 [ 778.617961][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 778.617961][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 778.617961][ T1167] netlink_rcv_skb+0x130/0x360 [ 778.617961][ T1167] netlink_unicast+0x449/0x710 [ 778.617961][ T1167] netlink_sendmsg+0x723/0xbe0 [ 778.617961][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 778.617961][ T1167] ___sys_sendmsg+0xee/0x170 [ 778.617961][ T1167] __sys_sendmsg+0xcd/0x170 [ 778.617961][ T1167] do_syscall_64+0xc6/0x1e0 [ 778.617961][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 778.617961][ T1167] [ 788.481170][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 788.481667][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 788.481667][ T10] netdev_get_by_index+0x5e/0x80 [ 788.481667][ T10] fib6_nh_init+0x3d8/0x1580 [ 788.481667][ T10] ip6_route_info_create+0xf18/0x17d0 [ 788.481667][ T10] addrconf_f6i_alloc+0x265/0x560 [ 788.481667][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 788.481667][ T10] addrconf_join_anycast+0x1c0/0x220 [ 788.481667][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 788.481667][ T10] addrconf_dad_completed+0x12b/0xe20 [ 788.481667][ T10] addrconf_dad_begin+0x310/0x670 [ 788.481667][ T10] addrconf_dad_work+0x10b/0xab0 [ 788.481667][ T10] process_one_work+0x84d/0x18a0 [ 788.481667][ T10] worker_thread+0x587/0xd30 [ 788.481667][ T10] kthread+0x28a/0x350 [ 788.481667][ T10] ret_from_fork+0x31/0x70 [ 788.481667][ T10] ret_from_fork_asm+0x1a/0x30 [ 788.481667][ T10] [ 788.484920][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 788.484920][ T10] netdev_get_by_index+0x5e/0x80 [ 788.484920][ T10] fib6_nh_init+0x3d8/0x1580 [ 788.484920][ T10] ip6_route_info_create+0xf18/0x17d0 [ 788.484920][ T10] ip6_route_add+0x1c/0x140 [ 788.484920][ T10] addrconf_prefix_route+0x2a6/0x430 [ 788.484920][ T10] inet6_addr_add+0x4f8/0xa40 [ 788.484920][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 788.484920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.484920][ T10] netlink_rcv_skb+0x130/0x360 [ 788.484920][ T10] netlink_unicast+0x449/0x710 [ 788.484920][ T10] netlink_sendmsg+0x723/0xbe0 [ 788.484920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 788.484920][ T10] ___sys_sendmsg+0xee/0x170 [ 788.484920][ T10] __sys_sendmsg+0xcd/0x170 [ 788.484920][ T10] do_syscall_64+0xc6/0x1e0 [ 788.484920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 788.484920][ T10] [ 788.488458][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 788.488458][ T10] netdev_get_by_index+0x5e/0x80 [ 788.488458][ T10] fib6_nh_init+0x3d8/0x1580 [ 788.488458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 788.488458][ T10] addrconf_f6i_alloc+0x315/0x560 [ 788.488458][ T10] ipv6_add_addr+0x411/0x2000 [ 788.488458][ T10] inet6_addr_add+0x30e/0xa40 [ 788.488458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 788.488458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.488458][ T10] netlink_rcv_skb+0x130/0x360 [ 788.488458][ T10] netlink_unicast+0x449/0x710 [ 788.488458][ T10] netlink_sendmsg+0x723/0xbe0 [ 788.488458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 788.488458][ T10] ___sys_sendmsg+0xee/0x170 [ 788.488458][ T10] __sys_sendmsg+0xcd/0x170 [ 788.488458][ T10] do_syscall_64+0xc6/0x1e0 [ 788.488458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 788.488458][ T10] [ 788.491880][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 788.491880][ T10] netdev_get_by_index+0x5e/0x80 [ 788.491880][ T10] fib6_nh_init+0x3d8/0x1580 [ 788.491880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 788.491880][ T10] ip6_route_add+0x1c/0x140 [ 788.491880][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 788.491880][ T10] addrconf_add_dev+0xe2/0x170 [ 788.491880][ T10] inet6_addr_add+0x12f/0xa40 [ 788.491880][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 788.491880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.491880][ T10] netlink_rcv_skb+0x130/0x360 [ 788.491880][ T10] netlink_unicast+0x449/0x710 [ 788.491880][ T10] netlink_sendmsg+0x723/0xbe0 [ 788.491880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 788.491880][ T10] ___sys_sendmsg+0xee/0x170 [ 788.491880][ T10] __sys_sendmsg+0xcd/0x170 [ 788.491880][ T10] do_syscall_64+0xc6/0x1e0 [ 788.491880][ T10] [ 788.495237][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 788.495237][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 788.495237][ T10] ipv6_find_idev+0x102/0x170 [ 788.495237][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 788.495237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.495237][ T10] netlink_rcv_skb+0x130/0x360 [ 788.495237][ T10] netlink_unicast+0x449/0x710 [ 788.495237][ T10] netlink_sendmsg+0x723/0xbe0 [ 788.495237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 788.495237][ T10] ___sys_sendmsg+0xee/0x170 [ 788.495237][ T10] __sys_sendmsg+0xcd/0x170 [ 788.495237][ T10] do_syscall_64+0xc6/0x1e0 [ 788.495237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 788.495237][ T10] [ 788.497857][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 788.497857][ T10] neigh_parms_alloc+0x1e5/0x510 [ 788.497857][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 788.497857][ T10] ipv6_find_idev+0x102/0x170 [ 788.497857][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 788.497857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.497857][ T10] netlink_rcv_skb+0x130/0x360 [ 788.497857][ T10] netlink_unicast+0x449/0x710 [ 788.497857][ T10] netlink_sendmsg+0x723/0xbe0 [ 788.497857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 788.497857][ T10] ___sys_sendmsg+0xee/0x170 [ 788.497857][ T10] __sys_sendmsg+0xcd/0x170 [ 788.497857][ T10] do_syscall_64+0xc6/0x1e0 [ 788.497857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 788.497857][ T10] [ 788.500740][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 788.501167][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 788.501167][ T10] netdev_get_by_index+0x5e/0x80 [ 788.501167][ T10] fib6_nh_init+0x3d8/0x1580 [ 788.501167][ T10] ip6_route_info_create+0xf18/0x17d0 [ 788.501167][ T10] addrconf_f6i_alloc+0x265/0x560 [ 788.501167][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 788.501167][ T10] addrconf_join_anycast+0x1c0/0x220 [ 788.501167][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 788.501167][ T10] addrconf_dad_completed+0x12b/0xe20 [ 788.501167][ T10] addrconf_dad_begin+0x310/0x670 [ 788.501167][ T10] addrconf_dad_work+0x10b/0xab0 [ 788.501167][ T10] process_one_work+0x84d/0x18a0 [ 788.501167][ T10] worker_thread+0x587/0xd30 [ 788.501167][ T10] kthread+0x28a/0x350 [ 788.501167][ T10] ret_from_fork+0x31/0x70 [ 788.501167][ T10] ret_from_fork_asm+0x1a/0x30 [ 788.501167][ T10] [ 788.504436][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 788.504436][ T10] netdev_get_by_index+0x5e/0x80 [ 788.504436][ T10] fib6_nh_init+0x3d8/0x1580 [ 788.504436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 788.504436][ T10] ip6_route_add+0x1c/0x140 [ 788.504436][ T10] addrconf_prefix_route+0x2a6/0x430 [ 788.504436][ T10] inet6_addr_add+0x4f8/0xa40 [ 788.504436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 788.504436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.504436][ T10] netlink_rcv_skb+0x130/0x360 [ 788.504436][ T10] netlink_unicast+0x449/0x710 [ 788.504436][ T10] netlink_sendmsg+0x723/0xbe0 [ 788.504436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 788.504436][ T10] ___sys_sendmsg+0xee/0x170 [ 788.504436][ T10] __sys_sendmsg+0xcd/0x170 [ 788.504436][ T10] do_syscall_64+0xc6/0x1e0 [ 788.504436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 788.504436][ T10] [ 788.507814][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 788.507814][ T10] netdev_get_by_index+0x5e/0x80 [ 788.507814][ T10] fib6_nh_init+0x3d8/0x1580 [ 788.507814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 788.507814][ T10] addrconf_f6i_alloc+0x315/0x560 [ 788.507814][ T10] ipv6_add_addr+0x411/0x2000 [ 788.507814][ T10] inet6_addr_add+0x30e/0xa40 [ 788.507814][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 788.507814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.507814][ T10] netlink_rcv_skb+0x130/0x360 [ 788.507814][ T10] netlink_unicast+0x449/0x710 [ 788.507814][ T10] netlink_sendmsg+0x723/0xbe0 [ 788.507814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 788.507814][ T10] ___sys_sendmsg+0xee/0x170 [ 788.507814][ T10] __sys_sendmsg+0xcd/0x170 [ 788.507814][ T10] do_syscall_64+0xc6/0x1e0 [ 788.507814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 788.507814][ T10] [ 788.511202][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 788.511202][ T10] netdev_get_by_index+0x5e/0x80 [ 788.511202][ T10] fib6_nh_init+0x3d8/0x1580 [ 788.511202][ T10] ip6_route_info_create+0xf18/0x17d0 [ 788.511202][ T10] ip6_route_add+0x1c/0x140 [ 788.511202][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 788.511202][ T10] addrconf_add_dev+0xe2/0x170 [ 788.511202][ T10] inet6_addr_add+0x12f/0xa40 [ 788.511202][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 788.511202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.511202][ T10] netlink_rcv_skb+0x130/0x360 [ 788.511202][ T10] netlink_unicast+0x449/0x710 [ 788.511202][ T10] netlink_sendmsg+0x723/0xbe0 [ 788.511202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 788.511202][ T10] ___sys_sendmsg+0xee/0x170 [ 788.511202][ T10] __sys_sendmsg+0xcd/0x170 [ 788.511202][ T10] do_syscall_64+0xc6/0x1e0 [ 788.511202][ T10] [ 788.514504][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 788.514504][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 788.514504][ T10] ipv6_find_idev+0x102/0x170 [ 788.514504][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 788.514504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.514504][ T10] netlink_rcv_skb+0x130/0x360 [ 788.514504][ T10] netlink_unicast+0x449/0x710 [ 788.514504][ T10] netlink_sendmsg+0x723/0xbe0 [ 788.514504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 788.514504][ T10] ___sys_sendmsg+0xee/0x170 [ 788.514504][ T10] __sys_sendmsg+0xcd/0x170 [ 788.514504][ T10] do_syscall_64+0xc6/0x1e0 [ 788.514504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 788.514504][ T10] [ 788.516990][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 788.516990][ T10] neigh_parms_alloc+0x1e5/0x510 [ 788.516990][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 788.516990][ T10] ipv6_find_idev+0x102/0x170 [ 788.516990][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 788.516990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.516990][ T10] netlink_rcv_skb+0x130/0x360 [ 788.516990][ T10] netlink_unicast+0x449/0x710 [ 788.516990][ T10] netlink_sendmsg+0x723/0xbe0 [ 788.516990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 788.516990][ T10] ___sys_sendmsg+0xee/0x170 [ 788.516990][ T10] __sys_sendmsg+0xcd/0x170 [ 788.516990][ T10] do_syscall_64+0xc6/0x1e0 [ 788.516990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 788.516990][ T10] [ 788.519719][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 788.520119][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 788.520119][ T10] netdev_get_by_index+0x5e/0x80 [ 788.520119][ T10] fib6_nh_init+0x3d8/0x1580 [ 788.520119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 788.520119][ T10] addrconf_f6i_alloc+0x265/0x560 [ 788.520119][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 788.520119][ T10] addrconf_join_anycast+0x1c0/0x220 [ 788.520119][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 788.520119][ T10] addrconf_dad_completed+0x12b/0xe20 [ 788.520119][ T10] addrconf_dad_begin+0x310/0x670 [ 788.520119][ T10] addrconf_dad_work+0x10b/0xab0 [ 788.520119][ T10] process_one_work+0x84d/0x18a0 [ 788.520119][ T10] worker_thread+0x587/0xd30 [ 788.520119][ T10] kthread+0x28a/0x350 [ 788.520119][ T10] ret_from_fork+0x31/0x70 [ 788.520119][ T10] ret_from_fork_asm+0x1a/0x30 [ 788.520119][ T10] [ 788.523247][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 788.523247][ T10] netdev_get_by_index+0x5e/0x80 [ 788.523247][ T10] fib6_nh_init+0x3d8/0x1580 [ 788.523247][ T10] ip6_route_info_create+0xf18/0x17d0 [ 788.523247][ T10] ip6_route_add+0x1c/0x140 [ 788.523247][ T10] addrconf_prefix_route+0x2a6/0x430 [ 788.523247][ T10] inet6_addr_add+0x4f8/0xa40 [ 788.523247][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 788.523247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.523247][ T10] netlink_rcv_skb+0x130/0x360 [ 788.523247][ T10] netlink_unicast+0x449/0x710 [ 788.523247][ T10] netlink_sendmsg+0x723/0xbe0 [ 788.523247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 788.523247][ T10] ___sys_sendmsg+0xee/0x170 [ 788.523247][ T10] __sys_sendmsg+0xcd/0x170 [ 788.523247][ T10] do_syscall_64+0xc6/0x1e0 [ 788.523247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 788.523247][ T10] [ 788.526807][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 788.526807][ T10] netdev_get_by_index+0x5e/0x80 [ 788.526807][ T10] fib6_nh_init+0x3d8/0x1580 [ 788.526807][ T10] ip6_route_info_create+0xf18/0x17d0 [ 788.526807][ T10] addrconf_f6i_alloc+0x315/0x560 [ 788.526807][ T10] ipv6_add_addr+0x411/0x2000 [ 788.526807][ T10] inet6_addr_add+0x30e/0xa40 [ 788.526807][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 788.526807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.526807][ T10] netlink_rcv_skb+0x130/0x360 [ 788.526807][ T10] netlink_unicast+0x449/0x710 [ 788.526807][ T10] netlink_sendmsg+0x723/0xbe0 [ 788.526807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 788.526807][ T10] ___sys_sendmsg+0xee/0x170 [ 788.526807][ T10] __sys_sendmsg+0xcd/0x170 [ 788.526807][ T10] do_syscall_64+0xc6/0x1e0 [ 788.526807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 788.526807][ T10] [ 788.530491][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 788.530491][ T10] netdev_get_by_index+0x5e/0x80 [ 788.530491][ T10] fib6_nh_init+0x3d8/0x1580 [ 788.530491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 788.530491][ T10] ip6_route_add+0x1c/0x140 [ 788.530491][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 788.530491][ T10] addrconf_add_dev+0xe2/0x170 [ 788.530491][ T10] inet6_addr_add+0x12f/0xa40 [ 788.530491][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 788.530491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.530491][ T10] netlink_rcv_skb+0x130/0x360 [ 788.530491][ T10] netlink_unicast+0x449/0x710 [ 788.530491][ T10] netlink_sendmsg+0x723/0xbe0 [ 788.530491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 788.530491][ T10] ___sys_sendmsg+0xee/0x170 [ 788.530491][ T10] __sys_sendmsg+0xcd/0x170 [ 788.530491][ T10] do_syscall_64+0xc6/0x1e0 [ 788.530491][ T10] [ 788.534090][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 788.534090][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 788.534090][ T10] ipv6_find_idev+0x102/0x170 [ 788.534090][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 788.534090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.534090][ T10] netlink_rcv_skb+0x130/0x360 [ 788.534090][ T10] netlink_unicast+0x449/0x710 [ 788.534090][ T10] netlink_sendmsg+0x723/0xbe0 [ 788.534090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 788.534090][ T10] ___sys_sendmsg+0xee/0x170 [ 788.534090][ T10] __sys_sendmsg+0xcd/0x170 [ 788.534090][ T10] do_syscall_64+0xc6/0x1e0 [ 788.534090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 788.534090][ T10] [ 788.536849][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 788.536849][ T10] neigh_parms_alloc+0x1e5/0x510 [ 788.536849][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 788.536849][ T10] ipv6_find_idev+0x102/0x170 [ 788.536849][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 788.536849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.536849][ T10] netlink_rcv_skb+0x130/0x360 [ 788.536849][ T10] netlink_unicast+0x449/0x710 [ 788.536849][ T10] netlink_sendmsg+0x723/0xbe0 [ 788.536849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 788.536849][ T10] ___sys_sendmsg+0xee/0x170 [ 788.536849][ T10] __sys_sendmsg+0xcd/0x170 [ 788.536849][ T10] do_syscall_64+0xc6/0x1e0 [ 788.536849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 788.536849][ T10] [ 788.540032][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 788.540420][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 788.540420][ T10] netdev_get_by_index+0x5e/0x80 [ 788.540420][ T10] fib6_nh_init+0x3d8/0x1580 [ 788.540420][ T10] ip6_route_info_create+0xf18/0x17d0 [ 788.540420][ T10] addrconf_f6i_alloc+0x265/0x560 [ 788.540420][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 788.540420][ T10] addrconf_join_anycast+0x1c0/0x220 [ 788.540420][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 788.540420][ T10] addrconf_dad_completed+0x12b/0xe20 [ 788.540420][ T10] addrconf_dad_begin+0x310/0x670 [ 788.540420][ T10] addrconf_dad_work+0x10b/0xab0 [ 788.540420][ T10] process_one_work+0x84d/0x18a0 [ 788.540420][ T10] worker_thread+0x587/0xd30 [ 788.540420][ T10] kthread+0x28a/0x350 [ 788.540420][ T10] ret_from_fork+0x31/0x70 [ 788.540420][ T10] ret_from_fork_asm+0x1a/0x30 [ 788.540420][ T10] [ 788.543940][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 788.543940][ T10] netdev_get_by_index+0x5e/0x80 [ 788.543940][ T10] fib6_nh_init+0x3d8/0x1580 [ 788.543940][ T10] ip6_route_info_create+0xf18/0x17d0 [ 788.543940][ T10] ip6_route_add+0x1c/0x140 [ 788.543940][ T10] addrconf_prefix_route+0x2a6/0x430 [ 788.543940][ T10] inet6_addr_add+0x4f8/0xa40 [ 788.543940][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 788.543940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.543940][ T10] netlink_rcv_skb+0x130/0x360 [ 788.543940][ T10] netlink_unicast+0x449/0x710 [ 788.543940][ T10] netlink_sendmsg+0x723/0xbe0 [ 788.543940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 788.543940][ T10] ___sys_sendmsg+0xee/0x170 [ 788.543940][ T10] __sys_sendmsg+0xcd/0x170 [ 788.543940][ T10] do_syscall_64+0xc6/0x1e0 [ 788.543940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 788.543940][ T10] [ 788.547619][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 788.547619][ T10] netdev_get_by_index+0x5e/0x80 [ 788.547619][ T10] fib6_nh_init+0x3d8/0x1580 [ 788.547619][ T10] ip6_route_info_create+0xf18/0x17d0 [ 788.547619][ T10] addrconf_f6i_alloc+0x315/0x560 [ 788.547619][ T10] ipv6_add_addr+0x411/0x2000 [ 788.547619][ T10] inet6_addr_add+0x30e/0xa40 [ 788.547619][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 788.547619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.547619][ T10] netlink_rcv_skb+0x130/0x360 [ 788.547619][ T10] netlink_unicast+0x449/0x710 [ 788.547619][ T10] netlink_sendmsg+0x723/0xbe0 [ 788.547619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 788.547619][ T10] ___sys_sendmsg+0xee/0x170 [ 788.547619][ T10] __sys_sendmsg+0xcd/0x170 [ 788.547619][ T10] do_syscall_64+0xc6/0x1e0 [ 788.547619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 788.547619][ T10] [ 788.551216][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 788.551216][ T10] netdev_get_by_index+0x5e/0x80 [ 788.551216][ T10] fib6_nh_init+0x3d8/0x1580 [ 788.551216][ T10] ip6_route_info_create+0xf18/0x17d0 [ 788.551216][ T10] ip6_route_add+0x1c/0x140 [ 788.551216][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 788.551216][ T10] addrconf_add_dev+0xe2/0x170 [ 788.551216][ T10] inet6_addr_add+0x12f/0xa40 [ 788.551216][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 788.551216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.551216][ T10] netlink_rcv_skb+0x130/0x360 [ 788.551216][ T10] netlink_unicast+0x449/0x710 [ 788.551216][ T10] netlink_sendmsg+0x723/0xbe0 [ 788.551216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 788.551216][ T10] ___sys_sendmsg+0xee/0x170 [ 788.551216][ T10] __sys_sendmsg+0xcd/0x170 [ 788.551216][ T10] do_syscall_64+0xc6/0x1e0 [ 788.551216][ T10] [ 788.554781][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 788.554781][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 788.554781][ T10] ipv6_find_idev+0x102/0x170 [ 788.554781][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 788.554781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.554781][ T10] netlink_rcv_skb+0x130/0x360 [ 788.554781][ T10] netlink_unicast+0x449/0x710 [ 788.554781][ T10] netlink_sendmsg+0x723/0xbe0 [ 788.554781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 788.554781][ T10] ___sys_sendmsg+0xee/0x170 [ 788.554781][ T10] __sys_sendmsg+0xcd/0x170 [ 788.554781][ T10] do_syscall_64+0xc6/0x1e0 [ 788.554781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 788.554781][ T10] [ 788.557602][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 788.557602][ T10] neigh_parms_alloc+0x1e5/0x510 [ 788.557602][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 788.557602][ T10] ipv6_find_idev+0x102/0x170 [ 788.557602][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 788.557602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.557602][ T10] netlink_rcv_skb+0x130/0x360 [ 788.557602][ T10] netlink_unicast+0x449/0x710 [ 788.557602][ T10] netlink_sendmsg+0x723/0xbe0 [ 788.557602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 788.557602][ T10] ___sys_sendmsg+0xee/0x170 [ 788.557602][ T10] __sys_sendmsg+0xcd/0x170 [ 788.557602][ T10] do_syscall_64+0xc6/0x1e0 [ 788.557602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 788.557602][ T10] [ 788.737279][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 788.737752][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 788.737752][ T1167] dst_init+0x84/0x4a0 [ 788.737752][ T1167] dst_alloc+0x97/0x150 [ 788.737752][ T1167] ip6_dst_alloc+0x23/0x90 [ 788.737752][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 788.737752][ T1167] ip6_pol_route+0x56f/0x840 [ 788.737752][ T1167] fib6_rule_lookup+0x334/0x630 [ 788.737752][ T1167] ip6_route_output_flags+0x259/0x480 [ 788.737752][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 788.737752][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 788.737752][ T1167] netlink_rcv_skb+0x130/0x360 [ 788.737752][ T1167] netlink_unicast+0x449/0x710 [ 788.737752][ T1167] netlink_sendmsg+0x723/0xbe0 [ 788.737752][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 788.737752][ T1167] ___sys_sendmsg+0xee/0x170 [ 788.737752][ T1167] __sys_sendmsg+0xcd/0x170 [ 788.737752][ T1167] do_syscall_64+0xc6/0x1e0 [ 788.737752][ T1167] [ 788.739967][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 788.739967][ T1167] netdev_get_by_index+0x5e/0x80 [ 788.739967][ T1167] fib6_nh_init+0x3d8/0x1580 [ 788.739967][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 788.739967][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 788.739967][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 788.739967][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 788.739967][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 788.739967][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 788.739967][ T1167] addrconf_dad_begin+0x310/0x670 [ 788.739967][ T1167] addrconf_dad_work+0x10b/0xab0 [ 788.739967][ T1167] process_one_work+0x84d/0x18a0 [ 788.739967][ T1167] worker_thread+0x587/0xd30 [ 788.739967][ T1167] kthread+0x28a/0x350 [ 788.739967][ T1167] ret_from_fork+0x31/0x70 [ 788.739967][ T1167] ret_from_fork_asm+0x1a/0x30 [ 788.739967][ T1167] [ 788.742151][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 788.742151][ T1167] netdev_get_by_index+0x5e/0x80 [ 788.742151][ T1167] fib6_nh_init+0x3d8/0x1580 [ 788.742151][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 788.742151][ T1167] ip6_route_add+0x1c/0x140 [ 788.742151][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 788.742151][ T1167] inet6_addr_add+0x4f8/0xa40 [ 788.742151][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 788.742151][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.742151][ T1167] netlink_rcv_skb+0x130/0x360 [ 788.742151][ T1167] netlink_unicast+0x449/0x710 [ 788.742151][ T1167] netlink_sendmsg+0x723/0xbe0 [ 788.742151][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 788.742151][ T1167] ___sys_sendmsg+0xee/0x170 [ 788.742151][ T1167] __sys_sendmsg+0xcd/0x170 [ 788.742151][ T1167] do_syscall_64+0xc6/0x1e0 [ 788.742151][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 788.742151][ T1167] [ 788.744411][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 788.744411][ T1167] netdev_get_by_index+0x5e/0x80 [ 788.744411][ T1167] fib6_nh_init+0x3d8/0x1580 [ 788.744411][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 788.744411][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 788.744411][ T1167] ipv6_add_addr+0x411/0x2000 [ 788.744411][ T1167] inet6_addr_add+0x30e/0xa40 [ 788.744411][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 788.744411][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.744411][ T1167] netlink_rcv_skb+0x130/0x360 [ 788.744411][ T1167] netlink_unicast+0x449/0x710 [ 788.744411][ T1167] netlink_sendmsg+0x723/0xbe0 [ 788.744411][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 788.744411][ T1167] ___sys_sendmsg+0xee/0x170 [ 788.744411][ T1167] __sys_sendmsg+0xcd/0x170 [ 788.744411][ T1167] do_syscall_64+0xc6/0x1e0 [ 788.744411][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 788.744411][ T1167] [ 788.746722][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 788.746722][ T1167] netdev_get_by_index+0x5e/0x80 [ 788.746722][ T1167] fib6_nh_init+0x3d8/0x1580 [ 788.746722][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 788.746722][ T1167] ip6_route_add+0x1c/0x140 [ 788.746722][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 788.746722][ T1167] addrconf_add_dev+0xe2/0x170 [ 788.746722][ T1167] inet6_addr_add+0x12f/0xa40 [ 788.746722][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 788.746722][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.746722][ T1167] netlink_rcv_skb+0x130/0x360 [ 788.746722][ T1167] netlink_unicast+0x449/0x710 [ 788.746722][ T1167] netlink_sendmsg+0x723/0xbe0 [ 788.746722][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 788.746722][ T1167] ___sys_sendmsg+0xee/0x170 [ 788.746722][ T1167] __sys_sendmsg+0xcd/0x170 [ 788.746722][ T1167] do_syscall_64+0xc6/0x1e0 [ 788.746722][ T1167] [ 788.748952][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 788.748952][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 788.748952][ T1167] ipv6_find_idev+0x102/0x170 [ 788.748952][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 788.748952][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.748952][ T1167] netlink_rcv_skb+0x130/0x360 [ 788.748952][ T1167] netlink_unicast+0x449/0x710 [ 788.748952][ T1167] netlink_sendmsg+0x723/0xbe0 [ 788.748952][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 788.748952][ T1167] ___sys_sendmsg+0xee/0x170 [ 788.748952][ T1167] __sys_sendmsg+0xcd/0x170 [ 788.748952][ T1167] do_syscall_64+0xc6/0x1e0 [ 788.748952][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 788.748952][ T1167] [ 788.750688][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 788.750688][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 788.750688][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 788.750688][ T1167] ipv6_find_idev+0x102/0x170 [ 788.750688][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 788.750688][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.750688][ T1167] netlink_rcv_skb+0x130/0x360 [ 788.750688][ T1167] netlink_unicast+0x449/0x710 [ 788.750688][ T1167] netlink_sendmsg+0x723/0xbe0 [ 788.750688][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 788.750688][ T1167] ___sys_sendmsg+0xee/0x170 [ 788.750688][ T1167] __sys_sendmsg+0xcd/0x170 [ 788.750688][ T1167] do_syscall_64+0xc6/0x1e0 [ 788.750688][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 788.750688][ T1167] [ 798.745178][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 798.745756][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 798.745756][ T10] netdev_get_by_index+0x5e/0x80 [ 798.745756][ T10] fib6_nh_init+0x3d8/0x1580 [ 798.745756][ T10] ip6_route_info_create+0xf18/0x17d0 [ 798.745756][ T10] addrconf_f6i_alloc+0x265/0x560 [ 798.745756][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 798.745756][ T10] addrconf_join_anycast+0x1c0/0x220 [ 798.745756][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 798.745756][ T10] addrconf_dad_completed+0x12b/0xe20 [ 798.745756][ T10] addrconf_dad_begin+0x310/0x670 [ 798.745756][ T10] addrconf_dad_work+0x10b/0xab0 [ 798.745756][ T10] process_one_work+0x84d/0x18a0 [ 798.745756][ T10] worker_thread+0x587/0xd30 [ 798.745756][ T10] kthread+0x28a/0x350 [ 798.745756][ T10] ret_from_fork+0x31/0x70 [ 798.745756][ T10] ret_from_fork_asm+0x1a/0x30 [ 798.745756][ T10] [ 798.748818][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 798.748818][ T10] netdev_get_by_index+0x5e/0x80 [ 798.748818][ T10] fib6_nh_init+0x3d8/0x1580 [ 798.748818][ T10] ip6_route_info_create+0xf18/0x17d0 [ 798.748818][ T10] ip6_route_add+0x1c/0x140 [ 798.748818][ T10] addrconf_prefix_route+0x2a6/0x430 [ 798.748818][ T10] inet6_addr_add+0x4f8/0xa40 [ 798.748818][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 798.748818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.748818][ T10] netlink_rcv_skb+0x130/0x360 [ 798.748818][ T10] netlink_unicast+0x449/0x710 [ 798.748818][ T10] netlink_sendmsg+0x723/0xbe0 [ 798.748818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 798.748818][ T10] ___sys_sendmsg+0xee/0x170 [ 798.748818][ T10] __sys_sendmsg+0xcd/0x170 [ 798.748818][ T10] do_syscall_64+0xc6/0x1e0 [ 798.748818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 798.748818][ T10] [ 798.752040][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 798.752040][ T10] netdev_get_by_index+0x5e/0x80 [ 798.752040][ T10] fib6_nh_init+0x3d8/0x1580 [ 798.752040][ T10] ip6_route_info_create+0xf18/0x17d0 [ 798.752040][ T10] addrconf_f6i_alloc+0x315/0x560 [ 798.752040][ T10] ipv6_add_addr+0x411/0x2000 [ 798.752040][ T10] inet6_addr_add+0x30e/0xa40 [ 798.752040][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 798.752040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.752040][ T10] netlink_rcv_skb+0x130/0x360 [ 798.752040][ T10] netlink_unicast+0x449/0x710 [ 798.752040][ T10] netlink_sendmsg+0x723/0xbe0 [ 798.752040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 798.752040][ T10] ___sys_sendmsg+0xee/0x170 [ 798.752040][ T10] __sys_sendmsg+0xcd/0x170 [ 798.752040][ T10] do_syscall_64+0xc6/0x1e0 [ 798.752040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 798.752040][ T10] [ 798.755286][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 798.755286][ T10] netdev_get_by_index+0x5e/0x80 [ 798.755286][ T10] fib6_nh_init+0x3d8/0x1580 [ 798.755286][ T10] ip6_route_info_create+0xf18/0x17d0 [ 798.755286][ T10] ip6_route_add+0x1c/0x140 [ 798.755286][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 798.755286][ T10] addrconf_add_dev+0xe2/0x170 [ 798.755286][ T10] inet6_addr_add+0x12f/0xa40 [ 798.755286][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 798.755286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.755286][ T10] netlink_rcv_skb+0x130/0x360 [ 798.755286][ T10] netlink_unicast+0x449/0x710 [ 798.755286][ T10] netlink_sendmsg+0x723/0xbe0 [ 798.755286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 798.755286][ T10] ___sys_sendmsg+0xee/0x170 [ 798.755286][ T10] __sys_sendmsg+0xcd/0x170 [ 798.755286][ T10] do_syscall_64+0xc6/0x1e0 [ 798.755286][ T10] [ 798.758349][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 798.758349][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 798.758349][ T10] ipv6_find_idev+0x102/0x170 [ 798.758349][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 798.758349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.758349][ T10] netlink_rcv_skb+0x130/0x360 [ 798.758349][ T10] netlink_unicast+0x449/0x710 [ 798.758349][ T10] netlink_sendmsg+0x723/0xbe0 [ 798.758349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 798.758349][ T10] ___sys_sendmsg+0xee/0x170 [ 798.758349][ T10] __sys_sendmsg+0xcd/0x170 [ 798.758349][ T10] do_syscall_64+0xc6/0x1e0 [ 798.758349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 798.758349][ T10] [ 798.760738][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 798.760738][ T10] neigh_parms_alloc+0x1e5/0x510 [ 798.760738][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 798.760738][ T10] ipv6_find_idev+0x102/0x170 [ 798.760738][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 798.760738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.760738][ T10] netlink_rcv_skb+0x130/0x360 [ 798.760738][ T10] netlink_unicast+0x449/0x710 [ 798.760738][ T10] netlink_sendmsg+0x723/0xbe0 [ 798.760738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 798.760738][ T10] ___sys_sendmsg+0xee/0x170 [ 798.760738][ T10] __sys_sendmsg+0xcd/0x170 [ 798.760738][ T10] do_syscall_64+0xc6/0x1e0 [ 798.760738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 798.760738][ T10] [ 798.763422][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 798.763816][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 798.763816][ T10] netdev_get_by_index+0x5e/0x80 [ 798.763816][ T10] fib6_nh_init+0x3d8/0x1580 [ 798.763816][ T10] ip6_route_info_create+0xf18/0x17d0 [ 798.763816][ T10] addrconf_f6i_alloc+0x265/0x560 [ 798.763816][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 798.763816][ T10] addrconf_join_anycast+0x1c0/0x220 [ 798.763816][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 798.763816][ T10] addrconf_dad_completed+0x12b/0xe20 [ 798.763816][ T10] addrconf_dad_begin+0x310/0x670 [ 798.763816][ T10] addrconf_dad_work+0x10b/0xab0 [ 798.763816][ T10] process_one_work+0x84d/0x18a0 [ 798.763816][ T10] worker_thread+0x587/0xd30 [ 798.763816][ T10] kthread+0x28a/0x350 [ 798.763816][ T10] ret_from_fork+0x31/0x70 [ 798.763816][ T10] ret_from_fork_asm+0x1a/0x30 [ 798.763816][ T10] [ 798.766819][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 798.766819][ T10] netdev_get_by_index+0x5e/0x80 [ 798.766819][ T10] fib6_nh_init+0x3d8/0x1580 [ 798.766819][ T10] ip6_route_info_create+0xf18/0x17d0 [ 798.766819][ T10] ip6_route_add+0x1c/0x140 [ 798.766819][ T10] addrconf_prefix_route+0x2a6/0x430 [ 798.766819][ T10] inet6_addr_add+0x4f8/0xa40 [ 798.766819][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 798.766819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.766819][ T10] netlink_rcv_skb+0x130/0x360 [ 798.766819][ T10] netlink_unicast+0x449/0x710 [ 798.766819][ T10] netlink_sendmsg+0x723/0xbe0 [ 798.766819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 798.766819][ T10] ___sys_sendmsg+0xee/0x170 [ 798.766819][ T10] __sys_sendmsg+0xcd/0x170 [ 798.766819][ T10] do_syscall_64+0xc6/0x1e0 [ 798.766819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 798.766819][ T10] [ 798.769959][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 798.769959][ T10] netdev_get_by_index+0x5e/0x80 [ 798.769959][ T10] fib6_nh_init+0x3d8/0x1580 [ 798.769959][ T10] ip6_route_info_create+0xf18/0x17d0 [ 798.769959][ T10] addrconf_f6i_alloc+0x315/0x560 [ 798.769959][ T10] ipv6_add_addr+0x411/0x2000 [ 798.769959][ T10] inet6_addr_add+0x30e/0xa40 [ 798.769959][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 798.769959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.769959][ T10] netlink_rcv_skb+0x130/0x360 [ 798.769959][ T10] netlink_unicast+0x449/0x710 [ 798.769959][ T10] netlink_sendmsg+0x723/0xbe0 [ 798.769959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 798.769959][ T10] ___sys_sendmsg+0xee/0x170 [ 798.769959][ T10] __sys_sendmsg+0xcd/0x170 [ 798.769959][ T10] do_syscall_64+0xc6/0x1e0 [ 798.769959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 798.769959][ T10] [ 798.773149][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 798.773149][ T10] netdev_get_by_index+0x5e/0x80 [ 798.773149][ T10] fib6_nh_init+0x3d8/0x1580 [ 798.773149][ T10] ip6_route_info_create+0xf18/0x17d0 [ 798.773149][ T10] ip6_route_add+0x1c/0x140 [ 798.773149][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 798.773149][ T10] addrconf_add_dev+0xe2/0x170 [ 798.773149][ T10] inet6_addr_add+0x12f/0xa40 [ 798.773149][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 798.773149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.773149][ T10] netlink_rcv_skb+0x130/0x360 [ 798.773149][ T10] netlink_unicast+0x449/0x710 [ 798.773149][ T10] netlink_sendmsg+0x723/0xbe0 [ 798.773149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 798.773149][ T10] ___sys_sendmsg+0xee/0x170 [ 798.773149][ T10] __sys_sendmsg+0xcd/0x170 [ 798.773149][ T10] do_syscall_64+0xc6/0x1e0 [ 798.773149][ T10] [ 798.776278][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 798.776278][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 798.776278][ T10] ipv6_find_idev+0x102/0x170 [ 798.776278][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 798.776278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.776278][ T10] netlink_rcv_skb+0x130/0x360 [ 798.776278][ T10] netlink_unicast+0x449/0x710 [ 798.776278][ T10] netlink_sendmsg+0x723/0xbe0 [ 798.776278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 798.776278][ T10] ___sys_sendmsg+0xee/0x170 [ 798.776278][ T10] __sys_sendmsg+0xcd/0x170 [ 798.776278][ T10] do_syscall_64+0xc6/0x1e0 [ 798.776278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 798.776278][ T10] [ 798.778730][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 798.778730][ T10] neigh_parms_alloc+0x1e5/0x510 [ 798.778730][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 798.778730][ T10] ipv6_find_idev+0x102/0x170 [ 798.778730][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 798.778730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.778730][ T10] netlink_rcv_skb+0x130/0x360 [ 798.778730][ T10] netlink_unicast+0x449/0x710 [ 798.778730][ T10] netlink_sendmsg+0x723/0xbe0 [ 798.778730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 798.778730][ T10] ___sys_sendmsg+0xee/0x170 [ 798.778730][ T10] __sys_sendmsg+0xcd/0x170 [ 798.778730][ T10] do_syscall_64+0xc6/0x1e0 [ 798.778730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 798.778730][ T10] [ 798.781485][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 798.781885][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 798.781885][ T10] netdev_get_by_index+0x5e/0x80 [ 798.781885][ T10] fib6_nh_init+0x3d8/0x1580 [ 798.781885][ T10] ip6_route_info_create+0xf18/0x17d0 [ 798.781885][ T10] addrconf_f6i_alloc+0x265/0x560 [ 798.781885][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 798.781885][ T10] addrconf_join_anycast+0x1c0/0x220 [ 798.781885][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 798.781885][ T10] addrconf_dad_completed+0x12b/0xe20 [ 798.781885][ T10] addrconf_dad_begin+0x310/0x670 [ 798.781885][ T10] addrconf_dad_work+0x10b/0xab0 [ 798.781885][ T10] process_one_work+0x84d/0x18a0 [ 798.781885][ T10] worker_thread+0x587/0xd30 [ 798.781885][ T10] kthread+0x28a/0x350 [ 798.781885][ T10] ret_from_fork+0x31/0x70 [ 798.781885][ T10] ret_from_fork_asm+0x1a/0x30 [ 798.781885][ T10] [ 798.784975][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 798.784975][ T10] netdev_get_by_index+0x5e/0x80 [ 798.784975][ T10] fib6_nh_init+0x3d8/0x1580 [ 798.784975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 798.784975][ T10] ip6_route_add+0x1c/0x140 [ 798.784975][ T10] addrconf_prefix_route+0x2a6/0x430 [ 798.784975][ T10] inet6_addr_add+0x4f8/0xa40 [ 798.784975][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 798.784975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.784975][ T10] netlink_rcv_skb+0x130/0x360 [ 798.784975][ T10] netlink_unicast+0x449/0x710 [ 798.784975][ T10] netlink_sendmsg+0x723/0xbe0 [ 798.784975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 798.784975][ T10] ___sys_sendmsg+0xee/0x170 [ 798.784975][ T10] __sys_sendmsg+0xcd/0x170 [ 798.784975][ T10] do_syscall_64+0xc6/0x1e0 [ 798.784975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 798.784975][ T10] [ 798.788472][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 798.788472][ T10] netdev_get_by_index+0x5e/0x80 [ 798.788472][ T10] fib6_nh_init+0x3d8/0x1580 [ 798.788472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 798.788472][ T10] addrconf_f6i_alloc+0x315/0x560 [ 798.788472][ T10] ipv6_add_addr+0x411/0x2000 [ 798.788472][ T10] inet6_addr_add+0x30e/0xa40 [ 798.788472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 798.788472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.788472][ T10] netlink_rcv_skb+0x130/0x360 [ 798.788472][ T10] netlink_unicast+0x449/0x710 [ 798.788472][ T10] netlink_sendmsg+0x723/0xbe0 [ 798.788472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 798.788472][ T10] ___sys_sendmsg+0xee/0x170 [ 798.788472][ T10] __sys_sendmsg+0xcd/0x170 [ 798.788472][ T10] do_syscall_64+0xc6/0x1e0 [ 798.788472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 798.788472][ T10] [ 798.792142][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 798.792142][ T10] netdev_get_by_index+0x5e/0x80 [ 798.792142][ T10] fib6_nh_init+0x3d8/0x1580 [ 798.792142][ T10] ip6_route_info_create+0xf18/0x17d0 [ 798.792142][ T10] ip6_route_add+0x1c/0x140 [ 798.792142][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 798.792142][ T10] addrconf_add_dev+0xe2/0x170 [ 798.792142][ T10] inet6_addr_add+0x12f/0xa40 [ 798.792142][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 798.792142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.792142][ T10] netlink_rcv_skb+0x130/0x360 [ 798.792142][ T10] netlink_unicast+0x449/0x710 [ 798.792142][ T10] netlink_sendmsg+0x723/0xbe0 [ 798.792142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 798.792142][ T10] ___sys_sendmsg+0xee/0x170 [ 798.792142][ T10] __sys_sendmsg+0xcd/0x170 [ 798.792142][ T10] do_syscall_64+0xc6/0x1e0 [ 798.792142][ T10] [ 798.795620][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 798.795620][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 798.795620][ T10] ipv6_find_idev+0x102/0x170 [ 798.795620][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 798.795620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.795620][ T10] netlink_rcv_skb+0x130/0x360 [ 798.795620][ T10] netlink_unicast+0x449/0x710 [ 798.795620][ T10] netlink_sendmsg+0x723/0xbe0 [ 798.795620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 798.795620][ T10] ___sys_sendmsg+0xee/0x170 [ 798.795620][ T10] __sys_sendmsg+0xcd/0x170 [ 798.795620][ T10] do_syscall_64+0xc6/0x1e0 [ 798.795620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 798.795620][ T10] [ 798.798311][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 798.798311][ T10] neigh_parms_alloc+0x1e5/0x510 [ 798.798311][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 798.798311][ T10] ipv6_find_idev+0x102/0x170 [ 798.798311][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 798.798311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.798311][ T10] netlink_rcv_skb+0x130/0x360 [ 798.798311][ T10] netlink_unicast+0x449/0x710 [ 798.798311][ T10] netlink_sendmsg+0x723/0xbe0 [ 798.798311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 798.798311][ T10] ___sys_sendmsg+0xee/0x170 [ 798.798311][ T10] __sys_sendmsg+0xcd/0x170 [ 798.798311][ T10] do_syscall_64+0xc6/0x1e0 [ 798.798311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 798.798311][ T10] [ 798.801212][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 798.801690][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 798.801690][ T10] netdev_get_by_index+0x5e/0x80 [ 798.801690][ T10] fib6_nh_init+0x3d8/0x1580 [ 798.801690][ T10] ip6_route_info_create+0xf18/0x17d0 [ 798.801690][ T10] addrconf_f6i_alloc+0x265/0x560 [ 798.801690][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 798.801690][ T10] addrconf_join_anycast+0x1c0/0x220 [ 798.801690][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 798.801690][ T10] addrconf_dad_completed+0x12b/0xe20 [ 798.801690][ T10] addrconf_dad_begin+0x310/0x670 [ 798.801690][ T10] addrconf_dad_work+0x10b/0xab0 [ 798.801690][ T10] process_one_work+0x84d/0x18a0 [ 798.801690][ T10] worker_thread+0x587/0xd30 [ 798.801690][ T10] kthread+0x28a/0x350 [ 798.801690][ T10] ret_from_fork+0x31/0x70 [ 798.801690][ T10] ret_from_fork_asm+0x1a/0x30 [ 798.801690][ T10] [ 798.805204][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 798.805204][ T10] netdev_get_by_index+0x5e/0x80 [ 798.805204][ T10] fib6_nh_init+0x3d8/0x1580 [ 798.805204][ T10] ip6_route_info_create+0xf18/0x17d0 [ 798.805204][ T10] ip6_route_add+0x1c/0x140 [ 798.805204][ T10] addrconf_prefix_route+0x2a6/0x430 [ 798.805204][ T10] inet6_addr_add+0x4f8/0xa40 [ 798.805204][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 798.805204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.805204][ T10] netlink_rcv_skb+0x130/0x360 [ 798.805204][ T10] netlink_unicast+0x449/0x710 [ 798.805204][ T10] netlink_sendmsg+0x723/0xbe0 [ 798.805204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 798.805204][ T10] ___sys_sendmsg+0xee/0x170 [ 798.805204][ T10] __sys_sendmsg+0xcd/0x170 [ 798.805204][ T10] do_syscall_64+0xc6/0x1e0 [ 798.805204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 798.805204][ T10] [ 798.808665][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 798.808665][ T10] netdev_get_by_index+0x5e/0x80 [ 798.808665][ T10] fib6_nh_init+0x3d8/0x1580 [ 798.808665][ T10] ip6_route_info_create+0xf18/0x17d0 [ 798.808665][ T10] addrconf_f6i_alloc+0x315/0x560 [ 798.808665][ T10] ipv6_add_addr+0x411/0x2000 [ 798.808665][ T10] inet6_addr_add+0x30e/0xa40 [ 798.808665][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 798.808665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.808665][ T10] netlink_rcv_skb+0x130/0x360 [ 798.808665][ T10] netlink_unicast+0x449/0x710 [ 798.808665][ T10] netlink_sendmsg+0x723/0xbe0 [ 798.808665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 798.808665][ T10] ___sys_sendmsg+0xee/0x170 [ 798.808665][ T10] __sys_sendmsg+0xcd/0x170 [ 798.808665][ T10] do_syscall_64+0xc6/0x1e0 [ 798.808665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 798.808665][ T10] [ 798.812207][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 798.812207][ T10] netdev_get_by_index+0x5e/0x80 [ 798.812207][ T10] fib6_nh_init+0x3d8/0x1580 [ 798.812207][ T10] ip6_route_info_create+0xf18/0x17d0 [ 798.812207][ T10] ip6_route_add+0x1c/0x140 [ 798.812207][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 798.812207][ T10] addrconf_add_dev+0xe2/0x170 [ 798.812207][ T10] inet6_addr_add+0x12f/0xa40 [ 798.812207][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 798.812207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.812207][ T10] netlink_rcv_skb+0x130/0x360 [ 798.812207][ T10] netlink_unicast+0x449/0x710 [ 798.812207][ T10] netlink_sendmsg+0x723/0xbe0 [ 798.812207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 798.812207][ T10] ___sys_sendmsg+0xee/0x170 [ 798.812207][ T10] __sys_sendmsg+0xcd/0x170 [ 798.812207][ T10] do_syscall_64+0xc6/0x1e0 [ 798.812207][ T10] [ 798.815721][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 798.815721][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 798.815721][ T10] ipv6_find_idev+0x102/0x170 [ 798.815721][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 798.815721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.815721][ T10] netlink_rcv_skb+0x130/0x360 [ 798.815721][ T10] netlink_unicast+0x449/0x710 [ 798.815721][ T10] netlink_sendmsg+0x723/0xbe0 [ 798.815721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 798.815721][ T10] ___sys_sendmsg+0xee/0x170 [ 798.815721][ T10] __sys_sendmsg+0xcd/0x170 [ 798.815721][ T10] do_syscall_64+0xc6/0x1e0 [ 798.815721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 798.815721][ T10] [ 798.818642][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 798.818642][ T10] neigh_parms_alloc+0x1e5/0x510 [ 798.818642][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 798.818642][ T10] ipv6_find_idev+0x102/0x170 [ 798.818642][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 798.818642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.818642][ T10] netlink_rcv_skb+0x130/0x360 [ 798.818642][ T10] netlink_unicast+0x449/0x710 [ 798.818642][ T10] netlink_sendmsg+0x723/0xbe0 [ 798.818642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 798.818642][ T10] ___sys_sendmsg+0xee/0x170 [ 798.818642][ T10] __sys_sendmsg+0xcd/0x170 [ 798.818642][ T10] do_syscall_64+0xc6/0x1e0 [ 798.818642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 798.818642][ T10] [ 799.001091][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 799.001620][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 799.001620][ T1167] dst_init+0x84/0x4a0 [ 799.001620][ T1167] dst_alloc+0x97/0x150 [ 799.001620][ T1167] ip6_dst_alloc+0x23/0x90 [ 799.001620][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 799.001620][ T1167] ip6_pol_route+0x56f/0x840 [ 799.001620][ T1167] fib6_rule_lookup+0x334/0x630 [ 799.001620][ T1167] ip6_route_output_flags+0x259/0x480 [ 799.001620][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 799.001620][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 799.001620][ T1167] netlink_rcv_skb+0x130/0x360 [ 799.001620][ T1167] netlink_unicast+0x449/0x710 [ 799.001620][ T1167] netlink_sendmsg+0x723/0xbe0 [ 799.001620][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 799.001620][ T1167] ___sys_sendmsg+0xee/0x170 [ 799.001620][ T1167] __sys_sendmsg+0xcd/0x170 [ 799.001620][ T1167] do_syscall_64+0xc6/0x1e0 [ 799.001620][ T1167] [ 799.003868][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 799.003868][ T1167] netdev_get_by_index+0x5e/0x80 [ 799.003868][ T1167] fib6_nh_init+0x3d8/0x1580 [ 799.003868][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 799.003868][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 799.003868][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 799.003868][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 799.003868][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 799.003868][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 799.003868][ T1167] addrconf_dad_begin+0x310/0x670 [ 799.003868][ T1167] addrconf_dad_work+0x10b/0xab0 [ 799.003868][ T1167] process_one_work+0x84d/0x18a0 [ 799.003868][ T1167] worker_thread+0x587/0xd30 [ 799.003868][ T1167] kthread+0x28a/0x350 [ 799.003868][ T1167] ret_from_fork+0x31/0x70 [ 799.003868][ T1167] ret_from_fork_asm+0x1a/0x30 [ 799.003868][ T1167] [ 799.006109][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 799.006109][ T1167] netdev_get_by_index+0x5e/0x80 [ 799.006109][ T1167] fib6_nh_init+0x3d8/0x1580 [ 799.006109][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 799.006109][ T1167] ip6_route_add+0x1c/0x140 [ 799.006109][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 799.006109][ T1167] inet6_addr_add+0x4f8/0xa40 [ 799.006109][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 799.006109][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 799.006109][ T1167] netlink_rcv_skb+0x130/0x360 [ 799.006109][ T1167] netlink_unicast+0x449/0x710 [ 799.006109][ T1167] netlink_sendmsg+0x723/0xbe0 [ 799.006109][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 799.006109][ T1167] ___sys_sendmsg+0xee/0x170 [ 799.006109][ T1167] __sys_sendmsg+0xcd/0x170 [ 799.006109][ T1167] do_syscall_64+0xc6/0x1e0 [ 799.006109][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 799.006109][ T1167] [ 799.008416][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 799.008416][ T1167] netdev_get_by_index+0x5e/0x80 [ 799.008416][ T1167] fib6_nh_init+0x3d8/0x1580 [ 799.008416][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 799.008416][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 799.008416][ T1167] ipv6_add_addr+0x411/0x2000 [ 799.008416][ T1167] inet6_addr_add+0x30e/0xa40 [ 799.008416][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 799.008416][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 799.008416][ T1167] netlink_rcv_skb+0x130/0x360 [ 799.008416][ T1167] netlink_unicast+0x449/0x710 [ 799.008416][ T1167] netlink_sendmsg+0x723/0xbe0 [ 799.008416][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 799.008416][ T1167] ___sys_sendmsg+0xee/0x170 [ 799.008416][ T1167] __sys_sendmsg+0xcd/0x170 [ 799.008416][ T1167] do_syscall_64+0xc6/0x1e0 [ 799.008416][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 799.008416][ T1167] [ 799.010684][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 799.010684][ T1167] netdev_get_by_index+0x5e/0x80 [ 799.010684][ T1167] fib6_nh_init+0x3d8/0x1580 [ 799.010684][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 799.010684][ T1167] ip6_route_add+0x1c/0x140 [ 799.010684][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 799.010684][ T1167] addrconf_add_dev+0xe2/0x170 [ 799.010684][ T1167] inet6_addr_add+0x12f/0xa40 [ 799.010684][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 799.010684][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 799.010684][ T1167] netlink_rcv_skb+0x130/0x360 [ 799.010684][ T1167] netlink_unicast+0x449/0x710 [ 799.010684][ T1167] netlink_sendmsg+0x723/0xbe0 [ 799.010684][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 799.010684][ T1167] ___sys_sendmsg+0xee/0x170 [ 799.010684][ T1167] __sys_sendmsg+0xcd/0x170 [ 799.010684][ T1167] do_syscall_64+0xc6/0x1e0 [ 799.010684][ T1167] [ 799.012939][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 799.012939][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 799.012939][ T1167] ipv6_find_idev+0x102/0x170 [ 799.012939][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 799.012939][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 799.012939][ T1167] netlink_rcv_skb+0x130/0x360 [ 799.012939][ T1167] netlink_unicast+0x449/0x710 [ 799.012939][ T1167] netlink_sendmsg+0x723/0xbe0 [ 799.012939][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 799.012939][ T1167] ___sys_sendmsg+0xee/0x170 [ 799.012939][ T1167] __sys_sendmsg+0xcd/0x170 [ 799.012939][ T1167] do_syscall_64+0xc6/0x1e0 [ 799.012939][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 799.012939][ T1167] [ 799.014697][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 799.014697][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 799.014697][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 799.014697][ T1167] ipv6_find_idev+0x102/0x170 [ 799.014697][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 799.014697][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 799.014697][ T1167] netlink_rcv_skb+0x130/0x360 [ 799.014697][ T1167] netlink_unicast+0x449/0x710 [ 799.014697][ T1167] netlink_sendmsg+0x723/0xbe0 [ 799.014697][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 799.014697][ T1167] ___sys_sendmsg+0xee/0x170 [ 799.014697][ T1167] __sys_sendmsg+0xcd/0x170 [ 799.014697][ T1167] do_syscall_64+0xc6/0x1e0 [ 799.014697][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 799.014697][ T1167] [ 809.065051][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 809.065476][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 809.065476][ T10] netdev_get_by_index+0x5e/0x80 [ 809.065476][ T10] fib6_nh_init+0x3d8/0x1580 [ 809.065476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 809.065476][ T10] addrconf_f6i_alloc+0x265/0x560 [ 809.065476][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 809.065476][ T10] addrconf_join_anycast+0x1c0/0x220 [ 809.065476][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 809.065476][ T10] addrconf_dad_completed+0x12b/0xe20 [ 809.065476][ T10] addrconf_dad_begin+0x310/0x670 [ 809.065476][ T10] addrconf_dad_work+0x10b/0xab0 [ 809.065476][ T10] process_one_work+0x84d/0x18a0 [ 809.065476][ T10] worker_thread+0x587/0xd30 [ 809.065476][ T10] kthread+0x28a/0x350 [ 809.065476][ T10] ret_from_fork+0x31/0x70 [ 809.065476][ T10] ret_from_fork_asm+0x1a/0x30 [ 809.065476][ T10] [ 809.067428][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 809.067428][ T10] netdev_get_by_index+0x5e/0x80 [ 809.067428][ T10] fib6_nh_init+0x3d8/0x1580 [ 809.067428][ T10] ip6_route_info_create+0xf18/0x17d0 [ 809.067428][ T10] ip6_route_add+0x1c/0x140 [ 809.067428][ T10] addrconf_prefix_route+0x2a6/0x430 [ 809.067428][ T10] inet6_addr_add+0x4f8/0xa40 [ 809.067428][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 809.067428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.067428][ T10] netlink_rcv_skb+0x130/0x360 [ 809.067428][ T10] netlink_unicast+0x449/0x710 [ 809.067428][ T10] netlink_sendmsg+0x723/0xbe0 [ 809.067428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 809.067428][ T10] ___sys_sendmsg+0xee/0x170 [ 809.067428][ T10] __sys_sendmsg+0xcd/0x170 [ 809.067428][ T10] do_syscall_64+0xc6/0x1e0 [ 809.067428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.067428][ T10] [ 809.069475][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 809.069475][ T10] netdev_get_by_index+0x5e/0x80 [ 809.069475][ T10] fib6_nh_init+0x3d8/0x1580 [ 809.069475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 809.069475][ T10] addrconf_f6i_alloc+0x315/0x560 [ 809.069475][ T10] ipv6_add_addr+0x411/0x2000 [ 809.069475][ T10] inet6_addr_add+0x30e/0xa40 [ 809.069475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 809.069475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.069475][ T10] netlink_rcv_skb+0x130/0x360 [ 809.069475][ T10] netlink_unicast+0x449/0x710 [ 809.069475][ T10] netlink_sendmsg+0x723/0xbe0 [ 809.069475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 809.069475][ T10] ___sys_sendmsg+0xee/0x170 [ 809.069475][ T10] __sys_sendmsg+0xcd/0x170 [ 809.069475][ T10] do_syscall_64+0xc6/0x1e0 [ 809.069475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.069475][ T10] [ 809.071504][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 809.071504][ T10] netdev_get_by_index+0x5e/0x80 [ 809.071504][ T10] fib6_nh_init+0x3d8/0x1580 [ 809.071504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 809.071504][ T10] ip6_route_add+0x1c/0x140 [ 809.071504][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 809.071504][ T10] addrconf_add_dev+0xe2/0x170 [ 809.071504][ T10] inet6_addr_add+0x12f/0xa40 [ 809.071504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 809.071504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.071504][ T10] netlink_rcv_skb+0x130/0x360 [ 809.071504][ T10] netlink_unicast+0x449/0x710 [ 809.071504][ T10] netlink_sendmsg+0x723/0xbe0 [ 809.071504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 809.071504][ T10] ___sys_sendmsg+0xee/0x170 [ 809.071504][ T10] __sys_sendmsg+0xcd/0x170 [ 809.071504][ T10] do_syscall_64+0xc6/0x1e0 [ 809.071504][ T10] [ 809.073534][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 809.073534][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 809.073534][ T10] ipv6_find_idev+0x102/0x170 [ 809.073534][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 809.073534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.073534][ T10] netlink_rcv_skb+0x130/0x360 [ 809.073534][ T10] netlink_unicast+0x449/0x710 [ 809.073534][ T10] netlink_sendmsg+0x723/0xbe0 [ 809.073534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 809.073534][ T10] ___sys_sendmsg+0xee/0x170 [ 809.073534][ T10] __sys_sendmsg+0xcd/0x170 [ 809.073534][ T10] do_syscall_64+0xc6/0x1e0 [ 809.073534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.073534][ T10] [ 809.075092][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 809.075092][ T10] neigh_parms_alloc+0x1e5/0x510 [ 809.075092][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 809.075092][ T10] ipv6_find_idev+0x102/0x170 [ 809.075092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 809.075092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.075092][ T10] netlink_rcv_skb+0x130/0x360 [ 809.075092][ T10] netlink_unicast+0x449/0x710 [ 809.075092][ T10] netlink_sendmsg+0x723/0xbe0 [ 809.075092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 809.075092][ T10] ___sys_sendmsg+0xee/0x170 [ 809.075092][ T10] __sys_sendmsg+0xcd/0x170 [ 809.075092][ T10] do_syscall_64+0xc6/0x1e0 [ 809.075092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.075092][ T10] [ 809.076825][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 809.077098][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 809.077098][ T10] netdev_get_by_index+0x5e/0x80 [ 809.077098][ T10] fib6_nh_init+0x3d8/0x1580 [ 809.077098][ T10] ip6_route_info_create+0xf18/0x17d0 [ 809.077098][ T10] addrconf_f6i_alloc+0x265/0x560 [ 809.077098][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 809.077098][ T10] addrconf_join_anycast+0x1c0/0x220 [ 809.077098][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 809.077098][ T10] addrconf_dad_completed+0x12b/0xe20 [ 809.077098][ T10] addrconf_dad_begin+0x310/0x670 [ 809.077098][ T10] addrconf_dad_work+0x10b/0xab0 [ 809.077098][ T10] process_one_work+0x84d/0x18a0 [ 809.077098][ T10] worker_thread+0x587/0xd30 [ 809.077098][ T10] kthread+0x28a/0x350 [ 809.077098][ T10] ret_from_fork+0x31/0x70 [ 809.077098][ T10] ret_from_fork_asm+0x1a/0x30 [ 809.077098][ T10] [ 809.079025][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 809.079025][ T10] netdev_get_by_index+0x5e/0x80 [ 809.079025][ T10] fib6_nh_init+0x3d8/0x1580 [ 809.079025][ T10] ip6_route_info_create+0xf18/0x17d0 [ 809.079025][ T10] ip6_route_add+0x1c/0x140 [ 809.079025][ T10] addrconf_prefix_route+0x2a6/0x430 [ 809.079025][ T10] inet6_addr_add+0x4f8/0xa40 [ 809.079025][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 809.079025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.079025][ T10] netlink_rcv_skb+0x130/0x360 [ 809.079025][ T10] netlink_unicast+0x449/0x710 [ 809.079025][ T10] netlink_sendmsg+0x723/0xbe0 [ 809.079025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 809.079025][ T10] ___sys_sendmsg+0xee/0x170 [ 809.079025][ T10] __sys_sendmsg+0xcd/0x170 [ 809.079025][ T10] do_syscall_64+0xc6/0x1e0 [ 809.079025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.079025][ T10] [ 809.081055][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 809.081055][ T10] netdev_get_by_index+0x5e/0x80 [ 809.081055][ T10] fib6_nh_init+0x3d8/0x1580 [ 809.081055][ T10] ip6_route_info_create+0xf18/0x17d0 [ 809.081055][ T10] addrconf_f6i_alloc+0x315/0x560 [ 809.081055][ T10] ipv6_add_addr+0x411/0x2000 [ 809.081055][ T10] inet6_addr_add+0x30e/0xa40 [ 809.081055][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 809.081055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.081055][ T10] netlink_rcv_skb+0x130/0x360 [ 809.081055][ T10] netlink_unicast+0x449/0x710 [ 809.081055][ T10] netlink_sendmsg+0x723/0xbe0 [ 809.081055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 809.081055][ T10] ___sys_sendmsg+0xee/0x170 [ 809.081055][ T10] __sys_sendmsg+0xcd/0x170 [ 809.081055][ T10] do_syscall_64+0xc6/0x1e0 [ 809.081055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.081055][ T10] [ 809.083083][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 809.083083][ T10] netdev_get_by_index+0x5e/0x80 [ 809.083083][ T10] fib6_nh_init+0x3d8/0x1580 [ 809.083083][ T10] ip6_route_info_create+0xf18/0x17d0 [ 809.083083][ T10] ip6_route_add+0x1c/0x140 [ 809.083083][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 809.083083][ T10] addrconf_add_dev+0xe2/0x170 [ 809.083083][ T10] inet6_addr_add+0x12f/0xa40 [ 809.083083][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 809.083083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.083083][ T10] netlink_rcv_skb+0x130/0x360 [ 809.083083][ T10] netlink_unicast+0x449/0x710 [ 809.083083][ T10] netlink_sendmsg+0x723/0xbe0 [ 809.083083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 809.083083][ T10] ___sys_sendmsg+0xee/0x170 [ 809.083083][ T10] __sys_sendmsg+0xcd/0x170 [ 809.083083][ T10] do_syscall_64+0xc6/0x1e0 [ 809.083083][ T10] [ 809.085080][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 809.085080][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 809.085080][ T10] ipv6_find_idev+0x102/0x170 [ 809.085080][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 809.085080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.085080][ T10] netlink_rcv_skb+0x130/0x360 [ 809.085080][ T10] netlink_unicast+0x449/0x710 [ 809.085080][ T10] netlink_sendmsg+0x723/0xbe0 [ 809.085080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 809.085080][ T10] ___sys_sendmsg+0xee/0x170 [ 809.085080][ T10] __sys_sendmsg+0xcd/0x170 [ 809.085080][ T10] do_syscall_64+0xc6/0x1e0 [ 809.085080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.085080][ T10] [ 809.086636][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 809.086636][ T10] neigh_parms_alloc+0x1e5/0x510 [ 809.086636][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 809.086636][ T10] ipv6_find_idev+0x102/0x170 [ 809.086636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 809.086636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.086636][ T10] netlink_rcv_skb+0x130/0x360 [ 809.086636][ T10] netlink_unicast+0x449/0x710 [ 809.086636][ T10] netlink_sendmsg+0x723/0xbe0 [ 809.086636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 809.086636][ T10] ___sys_sendmsg+0xee/0x170 [ 809.086636][ T10] __sys_sendmsg+0xcd/0x170 [ 809.086636][ T10] do_syscall_64+0xc6/0x1e0 [ 809.086636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.086636][ T10] [ 809.088352][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 809.088596][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 809.088596][ T10] netdev_get_by_index+0x5e/0x80 [ 809.088596][ T10] fib6_nh_init+0x3d8/0x1580 [ 809.088596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 809.088596][ T10] addrconf_f6i_alloc+0x265/0x560 [ 809.088596][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 809.088596][ T10] addrconf_join_anycast+0x1c0/0x220 [ 809.088596][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 809.088596][ T10] addrconf_dad_completed+0x12b/0xe20 [ 809.088596][ T10] addrconf_dad_begin+0x310/0x670 [ 809.088596][ T10] addrconf_dad_work+0x10b/0xab0 [ 809.088596][ T10] process_one_work+0x84d/0x18a0 [ 809.088596][ T10] worker_thread+0x587/0xd30 [ 809.088596][ T10] kthread+0x28a/0x350 [ 809.088596][ T10] ret_from_fork+0x31/0x70 [ 809.088596][ T10] ret_from_fork_asm+0x1a/0x30 [ 809.088596][ T10] [ 809.090546][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 809.090546][ T10] netdev_get_by_index+0x5e/0x80 [ 809.090546][ T10] fib6_nh_init+0x3d8/0x1580 [ 809.090546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 809.090546][ T10] ip6_route_add+0x1c/0x140 [ 809.090546][ T10] addrconf_prefix_route+0x2a6/0x430 [ 809.090546][ T10] inet6_addr_add+0x4f8/0xa40 [ 809.090546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 809.090546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.090546][ T10] netlink_rcv_skb+0x130/0x360 [ 809.090546][ T10] netlink_unicast+0x449/0x710 [ 809.090546][ T10] netlink_sendmsg+0x723/0xbe0 [ 809.090546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 809.090546][ T10] ___sys_sendmsg+0xee/0x170 [ 809.090546][ T10] __sys_sendmsg+0xcd/0x170 [ 809.090546][ T10] do_syscall_64+0xc6/0x1e0 [ 809.090546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.090546][ T10] [ 809.092748][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 809.092748][ T10] netdev_get_by_index+0x5e/0x80 [ 809.092748][ T10] fib6_nh_init+0x3d8/0x1580 [ 809.092748][ T10] ip6_route_info_create+0xf18/0x17d0 [ 809.092748][ T10] addrconf_f6i_alloc+0x315/0x560 [ 809.092748][ T10] ipv6_add_addr+0x411/0x2000 [ 809.092748][ T10] inet6_addr_add+0x30e/0xa40 [ 809.092748][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 809.092748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.092748][ T10] netlink_rcv_skb+0x130/0x360 [ 809.092748][ T10] netlink_unicast+0x449/0x710 [ 809.092748][ T10] netlink_sendmsg+0x723/0xbe0 [ 809.092748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 809.092748][ T10] ___sys_sendmsg+0xee/0x170 [ 809.092748][ T10] __sys_sendmsg+0xcd/0x170 [ 809.092748][ T10] do_syscall_64+0xc6/0x1e0 [ 809.092748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.092748][ T10] [ 809.095020][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 809.095020][ T10] netdev_get_by_index+0x5e/0x80 [ 809.095020][ T10] fib6_nh_init+0x3d8/0x1580 [ 809.095020][ T10] ip6_route_info_create+0xf18/0x17d0 [ 809.095020][ T10] ip6_route_add+0x1c/0x140 [ 809.095020][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 809.095020][ T10] addrconf_add_dev+0xe2/0x170 [ 809.095020][ T10] inet6_addr_add+0x12f/0xa40 [ 809.095020][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 809.095020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.095020][ T10] netlink_rcv_skb+0x130/0x360 [ 809.095020][ T10] netlink_unicast+0x449/0x710 [ 809.095020][ T10] netlink_sendmsg+0x723/0xbe0 [ 809.095020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 809.095020][ T10] ___sys_sendmsg+0xee/0x170 [ 809.095020][ T10] __sys_sendmsg+0xcd/0x170 [ 809.095020][ T10] do_syscall_64+0xc6/0x1e0 [ 809.095020][ T10] [ 809.097256][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 809.097256][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 809.097256][ T10] ipv6_find_idev+0x102/0x170 [ 809.097256][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 809.097256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.097256][ T10] netlink_rcv_skb+0x130/0x360 [ 809.097256][ T10] netlink_unicast+0x449/0x710 [ 809.097256][ T10] netlink_sendmsg+0x723/0xbe0 [ 809.097256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 809.097256][ T10] ___sys_sendmsg+0xee/0x170 [ 809.097256][ T10] __sys_sendmsg+0xcd/0x170 [ 809.097256][ T10] do_syscall_64+0xc6/0x1e0 [ 809.097256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.097256][ T10] [ 809.098989][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 809.098989][ T10] neigh_parms_alloc+0x1e5/0x510 [ 809.098989][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 809.098989][ T10] ipv6_find_idev+0x102/0x170 [ 809.098989][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 809.098989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.098989][ T10] netlink_rcv_skb+0x130/0x360 [ 809.098989][ T10] netlink_unicast+0x449/0x710 [ 809.098989][ T10] netlink_sendmsg+0x723/0xbe0 [ 809.098989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 809.098989][ T10] ___sys_sendmsg+0xee/0x170 [ 809.098989][ T10] __sys_sendmsg+0xcd/0x170 [ 809.098989][ T10] do_syscall_64+0xc6/0x1e0 [ 809.098989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.098989][ T10] [ 809.100955][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 809.101730][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 809.101730][ T10] netdev_get_by_index+0x5e/0x80 [ 809.101730][ T10] fib6_nh_init+0x3d8/0x1580 [ 809.101730][ T10] ip6_route_info_create+0xf18/0x17d0 [ 809.101730][ T10] addrconf_f6i_alloc+0x265/0x560 [ 809.101730][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 809.101730][ T10] addrconf_join_anycast+0x1c0/0x220 [ 809.101730][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 809.101730][ T10] addrconf_dad_completed+0x12b/0xe20 [ 809.101730][ T10] addrconf_dad_begin+0x310/0x670 [ 809.101730][ T10] addrconf_dad_work+0x10b/0xab0 [ 809.101730][ T10] process_one_work+0x84d/0x18a0 [ 809.101730][ T10] worker_thread+0x587/0xd30 [ 809.101730][ T10] kthread+0x28a/0x350 [ 809.101730][ T10] ret_from_fork+0x31/0x70 [ 809.101730][ T10] ret_from_fork_asm+0x1a/0x30 [ 809.101730][ T10] [ 809.103677][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 809.103677][ T10] netdev_get_by_index+0x5e/0x80 [ 809.103677][ T10] fib6_nh_init+0x3d8/0x1580 [ 809.103677][ T10] ip6_route_info_create+0xf18/0x17d0 [ 809.103677][ T10] ip6_route_add+0x1c/0x140 [ 809.103677][ T10] addrconf_prefix_route+0x2a6/0x430 [ 809.103677][ T10] inet6_addr_add+0x4f8/0xa40 [ 809.103677][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 809.103677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.103677][ T10] netlink_rcv_skb+0x130/0x360 [ 809.103677][ T10] netlink_unicast+0x449/0x710 [ 809.103677][ T10] netlink_sendmsg+0x723/0xbe0 [ 809.103677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 809.103677][ T10] ___sys_sendmsg+0xee/0x170 [ 809.103677][ T10] __sys_sendmsg+0xcd/0x170 [ 809.103677][ T10] do_syscall_64+0xc6/0x1e0 [ 809.103677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.103677][ T10] [ 809.105760][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 809.105760][ T10] netdev_get_by_index+0x5e/0x80 [ 809.105760][ T10] fib6_nh_init+0x3d8/0x1580 [ 809.105760][ T10] ip6_route_info_create+0xf18/0x17d0 [ 809.105760][ T10] addrconf_f6i_alloc+0x315/0x560 [ 809.105760][ T10] ipv6_add_addr+0x411/0x2000 [ 809.105760][ T10] inet6_addr_add+0x30e/0xa40 [ 809.105760][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 809.105760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.105760][ T10] netlink_rcv_skb+0x130/0x360 [ 809.105760][ T10] netlink_unicast+0x449/0x710 [ 809.105760][ T10] netlink_sendmsg+0x723/0xbe0 [ 809.105760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 809.105760][ T10] ___sys_sendmsg+0xee/0x170 [ 809.105760][ T10] __sys_sendmsg+0xcd/0x170 [ 809.105760][ T10] do_syscall_64+0xc6/0x1e0 [ 809.105760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.105760][ T10] [ 809.108024][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 809.108024][ T10] netdev_get_by_index+0x5e/0x80 [ 809.108024][ T10] fib6_nh_init+0x3d8/0x1580 [ 809.108024][ T10] ip6_route_info_create+0xf18/0x17d0 [ 809.108024][ T10] ip6_route_add+0x1c/0x140 [ 809.108024][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 809.108024][ T10] addrconf_add_dev+0xe2/0x170 [ 809.108024][ T10] inet6_addr_add+0x12f/0xa40 [ 809.108024][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 809.108024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.108024][ T10] netlink_rcv_skb+0x130/0x360 [ 809.108024][ T10] netlink_unicast+0x449/0x710 [ 809.108024][ T10] netlink_sendmsg+0x723/0xbe0 [ 809.108024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 809.108024][ T10] ___sys_sendmsg+0xee/0x170 [ 809.108024][ T10] __sys_sendmsg+0xcd/0x170 [ 809.108024][ T10] do_syscall_64+0xc6/0x1e0 [ 809.108024][ T10] [ 809.110248][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 809.110248][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 809.110248][ T10] ipv6_find_idev+0x102/0x170 [ 809.110248][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 809.110248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.110248][ T10] netlink_rcv_skb+0x130/0x360 [ 809.110248][ T10] netlink_unicast+0x449/0x710 [ 809.110248][ T10] netlink_sendmsg+0x723/0xbe0 [ 809.110248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 809.110248][ T10] ___sys_sendmsg+0xee/0x170 [ 809.110248][ T10] __sys_sendmsg+0xcd/0x170 [ 809.110248][ T10] do_syscall_64+0xc6/0x1e0 [ 809.110248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.110248][ T10] [ 809.111994][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 809.111994][ T10] neigh_parms_alloc+0x1e5/0x510 [ 809.111994][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 809.111994][ T10] ipv6_find_idev+0x102/0x170 [ 809.111994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 809.111994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.111994][ T10] netlink_rcv_skb+0x130/0x360 [ 809.111994][ T10] netlink_unicast+0x449/0x710 [ 809.111994][ T10] netlink_sendmsg+0x723/0xbe0 [ 809.111994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 809.111994][ T10] ___sys_sendmsg+0xee/0x170 [ 809.111994][ T10] __sys_sendmsg+0xcd/0x170 [ 809.111994][ T10] do_syscall_64+0xc6/0x1e0 [ 809.111994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.111994][ T10] [ 809.257107][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 809.257749][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 809.257749][ T1167] dst_init+0x84/0x4a0 [ 809.257749][ T1167] dst_alloc+0x97/0x150 [ 809.257749][ T1167] ip6_dst_alloc+0x23/0x90 [ 809.257749][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 809.257749][ T1167] ip6_pol_route+0x56f/0x840 [ 809.257749][ T1167] fib6_rule_lookup+0x334/0x630 [ 809.257749][ T1167] ip6_route_output_flags+0x259/0x480 [ 809.257749][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 809.257749][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 809.257749][ T1167] netlink_rcv_skb+0x130/0x360 [ 809.257749][ T1167] netlink_unicast+0x449/0x710 [ 809.257749][ T1167] netlink_sendmsg+0x723/0xbe0 [ 809.257749][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 809.257749][ T1167] ___sys_sendmsg+0xee/0x170 [ 809.257749][ T1167] __sys_sendmsg+0xcd/0x170 [ 809.257749][ T1167] do_syscall_64+0xc6/0x1e0 [ 809.257749][ T1167] [ 809.261256][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 809.261256][ T1167] netdev_get_by_index+0x5e/0x80 [ 809.261256][ T1167] fib6_nh_init+0x3d8/0x1580 [ 809.261256][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 809.261256][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 809.261256][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 809.261256][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 809.261256][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 809.261256][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 809.261256][ T1167] addrconf_dad_begin+0x310/0x670 [ 809.261256][ T1167] addrconf_dad_work+0x10b/0xab0 [ 809.261256][ T1167] process_one_work+0x84d/0x18a0 [ 809.261256][ T1167] worker_thread+0x587/0xd30 [ 809.261256][ T1167] kthread+0x28a/0x350 [ 809.261256][ T1167] ret_from_fork+0x31/0x70 [ 809.261256][ T1167] ret_from_fork_asm+0x1a/0x30 [ 809.261256][ T1167] [ 809.264632][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 809.264632][ T1167] netdev_get_by_index+0x5e/0x80 [ 809.264632][ T1167] fib6_nh_init+0x3d8/0x1580 [ 809.264632][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 809.264632][ T1167] ip6_route_add+0x1c/0x140 [ 809.264632][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 809.264632][ T1167] inet6_addr_add+0x4f8/0xa40 [ 809.264632][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 809.264632][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.264632][ T1167] netlink_rcv_skb+0x130/0x360 [ 809.264632][ T1167] netlink_unicast+0x449/0x710 [ 809.264632][ T1167] netlink_sendmsg+0x723/0xbe0 [ 809.264632][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 809.264632][ T1167] ___sys_sendmsg+0xee/0x170 [ 809.264632][ T1167] __sys_sendmsg+0xcd/0x170 [ 809.264632][ T1167] do_syscall_64+0xc6/0x1e0 [ 809.264632][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.264632][ T1167] [ 809.268083][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 809.268083][ T1167] netdev_get_by_index+0x5e/0x80 [ 809.268083][ T1167] fib6_nh_init+0x3d8/0x1580 [ 809.268083][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 809.268083][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 809.268083][ T1167] ipv6_add_addr+0x411/0x2000 [ 809.268083][ T1167] inet6_addr_add+0x30e/0xa40 [ 809.268083][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 809.268083][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.268083][ T1167] netlink_rcv_skb+0x130/0x360 [ 809.268083][ T1167] netlink_unicast+0x449/0x710 [ 809.268083][ T1167] netlink_sendmsg+0x723/0xbe0 [ 809.268083][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 809.268083][ T1167] ___sys_sendmsg+0xee/0x170 [ 809.268083][ T1167] __sys_sendmsg+0xcd/0x170 [ 809.268083][ T1167] do_syscall_64+0xc6/0x1e0 [ 809.268083][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.268083][ T1167] [ 809.271484][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 809.271484][ T1167] netdev_get_by_index+0x5e/0x80 [ 809.271484][ T1167] fib6_nh_init+0x3d8/0x1580 [ 809.271484][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 809.271484][ T1167] ip6_route_add+0x1c/0x140 [ 809.271484][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 809.271484][ T1167] addrconf_add_dev+0xe2/0x170 [ 809.271484][ T1167] inet6_addr_add+0x12f/0xa40 [ 809.271484][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 809.271484][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.271484][ T1167] netlink_rcv_skb+0x130/0x360 [ 809.271484][ T1167] netlink_unicast+0x449/0x710 [ 809.271484][ T1167] netlink_sendmsg+0x723/0xbe0 [ 809.271484][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 809.271484][ T1167] ___sys_sendmsg+0xee/0x170 [ 809.271484][ T1167] __sys_sendmsg+0xcd/0x170 [ 809.271484][ T1167] do_syscall_64+0xc6/0x1e0 [ 809.271484][ T1167] [ 809.274992][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 809.274992][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 809.274992][ T1167] ipv6_find_idev+0x102/0x170 [ 809.274992][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 809.274992][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.274992][ T1167] netlink_rcv_skb+0x130/0x360 [ 809.274992][ T1167] netlink_unicast+0x449/0x710 [ 809.274992][ T1167] netlink_sendmsg+0x723/0xbe0 [ 809.274992][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 809.274992][ T1167] ___sys_sendmsg+0xee/0x170 [ 809.274992][ T1167] __sys_sendmsg+0xcd/0x170 [ 809.274992][ T1167] do_syscall_64+0xc6/0x1e0 [ 809.274992][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.274992][ T1167] [ 809.277762][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 809.277762][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 809.277762][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 809.277762][ T1167] ipv6_find_idev+0x102/0x170 [ 809.277762][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 809.277762][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.277762][ T1167] netlink_rcv_skb+0x130/0x360 [ 809.277762][ T1167] netlink_unicast+0x449/0x710 [ 809.277762][ T1167] netlink_sendmsg+0x723/0xbe0 [ 809.277762][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 809.277762][ T1167] ___sys_sendmsg+0xee/0x170 [ 809.277762][ T1167] __sys_sendmsg+0xcd/0x170 [ 809.277762][ T1167] do_syscall_64+0xc6/0x1e0 [ 809.277762][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.277762][ T1167] [ 819.161111][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 819.161492][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 819.161492][ T10] netdev_get_by_index+0x5e/0x80 [ 819.161492][ T10] fib6_nh_init+0x3d8/0x1580 [ 819.161492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 819.161492][ T10] addrconf_f6i_alloc+0x265/0x560 [ 819.161492][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 819.161492][ T10] addrconf_join_anycast+0x1c0/0x220 [ 819.161492][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 819.161492][ T10] addrconf_dad_completed+0x12b/0xe20 [ 819.161492][ T10] addrconf_dad_begin+0x310/0x670 [ 819.161492][ T10] addrconf_dad_work+0x10b/0xab0 [ 819.161492][ T10] process_one_work+0x84d/0x18a0 [ 819.161492][ T10] worker_thread+0x587/0xd30 [ 819.161492][ T10] kthread+0x28a/0x350 [ 819.161492][ T10] ret_from_fork+0x31/0x70 [ 819.161492][ T10] ret_from_fork_asm+0x1a/0x30 [ 819.161492][ T10] [ 819.163852][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 819.163852][ T10] netdev_get_by_index+0x5e/0x80 [ 819.163852][ T10] fib6_nh_init+0x3d8/0x1580 [ 819.163852][ T10] ip6_route_info_create+0xf18/0x17d0 [ 819.163852][ T10] ip6_route_add+0x1c/0x140 [ 819.163852][ T10] addrconf_prefix_route+0x2a6/0x430 [ 819.163852][ T10] inet6_addr_add+0x4f8/0xa40 [ 819.163852][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 819.163852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 819.163852][ T10] netlink_rcv_skb+0x130/0x360 [ 819.163852][ T10] netlink_unicast+0x449/0x710 [ 819.163852][ T10] netlink_sendmsg+0x723/0xbe0 [ 819.163852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 819.163852][ T10] ___sys_sendmsg+0xee/0x170 [ 819.163852][ T10] __sys_sendmsg+0xcd/0x170 [ 819.163852][ T10] do_syscall_64+0xc6/0x1e0 [ 819.163852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 819.163852][ T10] [ 819.166812][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 819.166812][ T10] netdev_get_by_index+0x5e/0x80 [ 819.166812][ T10] fib6_nh_init+0x3d8/0x1580 [ 819.166812][ T10] ip6_route_info_create+0xf18/0x17d0 [ 819.166812][ T10] addrconf_f6i_alloc+0x315/0x560 [ 819.166812][ T10] ipv6_add_addr+0x411/0x2000 [ 819.166812][ T10] inet6_addr_add+0x30e/0xa40 [ 819.166812][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 819.166812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 819.166812][ T10] netlink_rcv_skb+0x130/0x360 [ 819.166812][ T10] netlink_unicast+0x449/0x710 [ 819.166812][ T10] netlink_sendmsg+0x723/0xbe0 [ 819.166812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 819.166812][ T10] ___sys_sendmsg+0xee/0x170 [ 819.166812][ T10] __sys_sendmsg+0xcd/0x170 [ 819.166812][ T10] do_syscall_64+0xc6/0x1e0 [ 819.166812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 819.166812][ T10] [ 819.169889][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 819.169889][ T10] netdev_get_by_index+0x5e/0x80 [ 819.169889][ T10] fib6_nh_init+0x3d8/0x1580 [ 819.169889][ T10] ip6_route_info_create+0xf18/0x17d0 [ 819.169889][ T10] ip6_route_add+0x1c/0x140 [ 819.169889][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 819.169889][ T10] addrconf_add_dev+0xe2/0x170 [ 819.169889][ T10] inet6_addr_add+0x12f/0xa40 [ 819.169889][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 819.169889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 819.169889][ T10] netlink_rcv_skb+0x130/0x360 [ 819.169889][ T10] netlink_unicast+0x449/0x710 [ 819.169889][ T10] netlink_sendmsg+0x723/0xbe0 [ 819.169889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 819.169889][ T10] ___sys_sendmsg+0xee/0x170 [ 819.169889][ T10] __sys_sendmsg+0xcd/0x170 [ 819.169889][ T10] do_syscall_64+0xc6/0x1e0 [ 819.169889][ T10] [ 819.172903][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 819.172903][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 819.172903][ T10] ipv6_find_idev+0x102/0x170 [ 819.172903][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 819.172903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 819.172903][ T10] netlink_rcv_skb+0x130/0x360 [ 819.172903][ T10] netlink_unicast+0x449/0x710 [ 819.172903][ T10] netlink_sendmsg+0x723/0xbe0 [ 819.172903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 819.172903][ T10] ___sys_sendmsg+0xee/0x170 [ 819.172903][ T10] __sys_sendmsg+0xcd/0x170 [ 819.172903][ T10] do_syscall_64+0xc6/0x1e0 [ 819.172903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 819.172903][ T10] [ 819.175277][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 819.175277][ T10] neigh_parms_alloc+0x1e5/0x510 [ 819.175277][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 819.175277][ T10] ipv6_find_idev+0x102/0x170 [ 819.175277][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 819.175277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 819.175277][ T10] netlink_rcv_skb+0x130/0x360 [ 819.175277][ T10] netlink_unicast+0x449/0x710 [ 819.175277][ T10] netlink_sendmsg+0x723/0xbe0 [ 819.175277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 819.175277][ T10] ___sys_sendmsg+0xee/0x170 [ 819.175277][ T10] __sys_sendmsg+0xcd/0x170 [ 819.175277][ T10] do_syscall_64+0xc6/0x1e0 [ 819.175277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 819.175277][ T10] [ 819.177899][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 819.178309][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 819.178309][ T10] netdev_get_by_index+0x5e/0x80 [ 819.178309][ T10] fib6_nh_init+0x3d8/0x1580 [ 819.178309][ T10] ip6_route_info_create+0xf18/0x17d0 [ 819.178309][ T10] addrconf_f6i_alloc+0x265/0x560 [ 819.178309][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 819.178309][ T10] addrconf_join_anycast+0x1c0/0x220 [ 819.178309][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 819.178309][ T10] addrconf_dad_completed+0x12b/0xe20 [ 819.178309][ T10] addrconf_dad_begin+0x310/0x670 [ 819.178309][ T10] addrconf_dad_work+0x10b/0xab0 [ 819.178309][ T10] process_one_work+0x84d/0x18a0 [ 819.178309][ T10] worker_thread+0x587/0xd30 [ 819.178309][ T10] kthread+0x28a/0x350 [ 819.178309][ T10] ret_from_fork+0x31/0x70 [ 819.178309][ T10] ret_from_fork_asm+0x1a/0x30 [ 819.178309][ T10] [ 819.181244][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 819.181244][ T10] netdev_get_by_index+0x5e/0x80 [ 819.181244][ T10] fib6_nh_init+0x3d8/0x1580 [ 819.181244][ T10] ip6_route_info_create+0xf18/0x17d0 [ 819.181244][ T10] ip6_route_add+0x1c/0x140 [ 819.181244][ T10] addrconf_prefix_route+0x2a6/0x430 [ 819.181244][ T10] inet6_addr_add+0x4f8/0xa40 [ 819.181244][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 819.181244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 819.181244][ T10] netlink_rcv_skb+0x130/0x360 [ 819.181244][ T10] netlink_unicast+0x449/0x710 [ 819.181244][ T10] netlink_sendmsg+0x723/0xbe0 [ 819.181244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 819.181244][ T10] ___sys_sendmsg+0xee/0x170 [ 819.181244][ T10] __sys_sendmsg+0xcd/0x170 [ 819.181244][ T10] do_syscall_64+0xc6/0x1e0 [ 819.181244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 819.181244][ T10] [ 819.184243][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 819.184243][ T10] netdev_get_by_index+0x5e/0x80 [ 819.184243][ T10] fib6_nh_init+0x3d8/0x1580 [ 819.184243][ T10] ip6_route_info_create+0xf18/0x17d0 [ 819.184243][ T10] addrconf_f6i_alloc+0x315/0x560 [ 819.184243][ T10] ipv6_add_addr+0x411/0x2000 [ 819.184243][ T10] inet6_addr_add+0x30e/0xa40 [ 819.184243][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 819.184243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 819.184243][ T10] netlink_rcv_skb+0x130/0x360 [ 819.184243][ T10] netlink_unicast+0x449/0x710 [ 819.184243][ T10] netlink_sendmsg+0x723/0xbe0 [ 819.184243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 819.184243][ T10] ___sys_sendmsg+0xee/0x170 [ 819.184243][ T10] __sys_sendmsg+0xcd/0x170 [ 819.184243][ T10] do_syscall_64+0xc6/0x1e0 [ 819.184243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 819.184243][ T10] [ 819.187153][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 819.187153][ T10] netdev_get_by_index+0x5e/0x80 [ 819.187153][ T10] fib6_nh_init+0x3d8/0x1580 [ 819.187153][ T10] ip6_route_info_create+0xf18/0x17d0 [ 819.187153][ T10] ip6_route_add+0x1c/0x140 [ 819.187153][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 819.187153][ T10] addrconf_add_dev+0xe2/0x170 [ 819.187153][ T10] inet6_addr_add+0x12f/0xa40 [ 819.187153][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 819.187153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 819.187153][ T10] netlink_rcv_skb+0x130/0x360 [ 819.187153][ T10] netlink_unicast+0x449/0x710 [ 819.187153][ T10] netlink_sendmsg+0x723/0xbe0 [ 819.187153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 819.187153][ T10] ___sys_sendmsg+0xee/0x170 [ 819.187153][ T10] __sys_sendmsg+0xcd/0x170 [ 819.187153][ T10] do_syscall_64+0xc6/0x1e0 [ 819.187153][ T10] [ 819.190184][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 819.190184][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 819.190184][ T10] ipv6_find_idev+0x102/0x170 [ 819.190184][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 819.190184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 819.190184][ T10] netlink_rcv_skb+0x130/0x360 [ 819.190184][ T10] netlink_unicast+0x449/0x710 [ 819.190184][ T10] netlink_sendmsg+0x723/0xbe0 [ 819.190184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 819.190184][ T10] ___sys_sendmsg+0xee/0x170 [ 819.190184][ T10] __sys_sendmsg+0xcd/0x170 [ 819.190184][ T10] do_syscall_64+0xc6/0x1e0 [ 819.190184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 819.190184][ T10] [ 819.192578][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 819.192578][ T10] neigh_parms_alloc+0x1e5/0x510 [ 819.192578][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 819.192578][ T10] ipv6_find_idev+0x102/0x170 [ 819.192578][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 819.192578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 819.192578][ T10] netlink_rcv_skb+0x130/0x360 [ 819.192578][ T10] netlink_unicast+0x449/0x710 [ 819.192578][ T10] netlink_sendmsg+0x723/0xbe0 [ 819.192578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 819.192578][ T10] ___sys_sendmsg+0xee/0x170 [ 819.192578][ T10] __sys_sendmsg+0xcd/0x170 [ 819.192578][ T10] do_syscall_64+0xc6/0x1e0 [ 819.192578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 819.192578][ T10] [ 819.195208][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 819.195582][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 819.195582][ T10] netdev_get_by_index+0x5e/0x80 [ 819.195582][ T10] fib6_nh_init+0x3d8/0x1580 [ 819.195582][ T10] ip6_route_info_create+0xf18/0x17d0 [ 819.195582][ T10] addrconf_f6i_alloc+0x265/0x560 [ 819.195582][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 819.195582][ T10] addrconf_join_anycast+0x1c0/0x220 [ 819.195582][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 819.195582][ T10] addrconf_dad_completed+0x12b/0xe20 [ 819.195582][ T10] addrconf_dad_begin+0x310/0x670 [ 819.195582][ T10] addrconf_dad_work+0x10b/0xab0 [ 819.195582][ T10] process_one_work+0x84d/0x18a0 [ 819.195582][ T10] worker_thread+0x587/0xd30 [ 819.195582][ T10] kthread+0x28a/0x350 [ 819.195582][ T10] ret_from_fork+0x31/0x70 [ 819.195582][ T10] ret_from_fork_asm+0x1a/0x30 [ 819.195582][ T10] [ 819.198547][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 819.198547][ T10] netdev_get_by_index+0x5e/0x80 [ 819.198547][ T10] fib6_nh_init+0x3d8/0x1580 [ 819.198547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 819.198547][ T10] ip6_route_add+0x1c/0x140 [ 819.198547][ T10] addrconf_prefix_route+0x2a6/0x430 [ 819.198547][ T10] inet6_addr_add+0x4f8/0xa40 [ 819.198547][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 819.198547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 819.198547][ T10] netlink_rcv_skb+0x130/0x360 [ 819.198547][ T10] netlink_unicast+0x449/0x710 [ 819.198547][ T10] netlink_sendmsg+0x723/0xbe0 [ 819.198547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 819.198547][ T10] ___sys_sendmsg+0xee/0x170 [ 819.198547][ T10] __sys_sendmsg+0xcd/0x170 [ 819.198547][ T10] do_syscall_64+0xc6/0x1e0 [ 819.198547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 819.198547][ T10] [ 819.201980][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 819.201980][ T10] netdev_get_by_index+0x5e/0x80 [ 819.201980][ T10] fib6_nh_init+0x3d8/0x1580 [ 819.201980][ T10] ip6_route_info_create+0xf18/0x17d0 [ 819.201980][ T10] addrconf_f6i_alloc+0x315/0x560 [ 819.201980][ T10] ipv6_add_addr+0x411/0x2000 [ 819.201980][ T10] inet6_addr_add+0x30e/0xa40 [ 819.201980][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 819.201980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 819.201980][ T10] netlink_rcv_skb+0x130/0x360 [ 819.201980][ T10] netlink_unicast+0x449/0x710 [ 819.201980][ T10] netlink_sendmsg+0x723/0xbe0 [ 819.201980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 819.201980][ T10] ___sys_sendmsg+0xee/0x170 [ 819.201980][ T10] __sys_sendmsg+0xcd/0x170 [ 819.201980][ T10] do_syscall_64+0xc6/0x1e0 [ 819.201980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 819.201980][ T10] [ 819.205492][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 819.205492][ T10] netdev_get_by_index+0x5e/0x80 [ 819.205492][ T10] fib6_nh_init+0x3d8/0x1580 [ 819.205492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 819.205492][ T10] ip6_route_add+0x1c/0x140 [ 819.205492][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 819.205492][ T10] addrconf_add_dev+0xe2/0x170 [ 819.205492][ T10] inet6_addr_add+0x12f/0xa40 [ 819.205492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 819.205492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 819.205492][ T10] netlink_rcv_skb+0x130/0x360 [ 819.205492][ T10] netlink_unicast+0x449/0x710 [ 819.205492][ T10] netlink_sendmsg+0x723/0xbe0 [ 819.205492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 819.205492][ T10] ___sys_sendmsg+0xee/0x170 [ 819.205492][ T10] __sys_sendmsg+0xcd/0x170 [ 819.205492][ T10] do_syscall_64+0xc6/0x1e0 [ 819.205492][ T10] [ 819.208958][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 819.208958][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 819.208958][ T10] ipv6_find_idev+0x102/0x170 [ 819.208958][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 819.208958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 819.208958][ T10] netlink_rcv_skb+0x130/0x360 [ 819.208958][ T10] netlink_unicast+0x449/0x710 [ 819.208958][ T10] netlink_sendmsg+0x723/0xbe0 [ 819.208958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 819.208958][ T10] ___sys_sendmsg+0xee/0x170 [ 819.208958][ T10] __sys_sendmsg+0xcd/0x170 [ 819.208958][ T10] do_syscall_64+0xc6/0x1e0 [ 819.208958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 819.208958][ T10] [ 819.211519][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 819.211519][ T10] neigh_parms_alloc+0x1e5/0x510 [ 819.211519][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 819.211519][ T10] ipv6_find_idev+0x102/0x170 [ 819.211519][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 819.211519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 819.211519][ T10] netlink_rcv_skb+0x130/0x360 [ 819.211519][ T10] netlink_unicast+0x449/0x710 [ 819.211519][ T10] netlink_sendmsg+0x723/0xbe0 [ 819.211519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 819.211519][ T10] ___sys_sendmsg+0xee/0x170 [ 819.211519][ T10] __sys_sendmsg+0xcd/0x170 [ 819.211519][ T10] do_syscall_64+0xc6/0x1e0 [ 819.211519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 819.211519][ T10] [ 819.214343][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 819.214754][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 819.214754][ T10] netdev_get_by_index+0x5e/0x80 [ 819.214754][ T10] fib6_nh_init+0x3d8/0x1580 [ 819.214754][ T10] ip6_route_info_create+0xf18/0x17d0 [ 819.214754][ T10] addrconf_f6i_alloc+0x265/0x560 [ 819.214754][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 819.214754][ T10] addrconf_join_anycast+0x1c0/0x220 [ 819.214754][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 819.214754][ T10] addrconf_dad_completed+0x12b/0xe20 [ 819.214754][ T10] addrconf_dad_begin+0x310/0x670 [ 819.214754][ T10] addrconf_dad_work+0x10b/0xab0 [ 819.214754][ T10] process_one_work+0x84d/0x18a0 [ 819.214754][ T10] worker_thread+0x587/0xd30 [ 819.214754][ T10] kthread+0x28a/0x350 [ 819.214754][ T10] ret_from_fork+0x31/0x70 [ 819.214754][ T10] ret_from_fork_asm+0x1a/0x30 [ 819.214754][ T10] [ 819.217946][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 819.217946][ T10] netdev_get_by_index+0x5e/0x80 [ 819.217946][ T10] fib6_nh_init+0x3d8/0x1580 [ 819.217946][ T10] ip6_route_info_create+0xf18/0x17d0 [ 819.217946][ T10] ip6_route_add+0x1c/0x140 [ 819.217946][ T10] addrconf_prefix_route+0x2a6/0x430 [ 819.217946][ T10] inet6_addr_add+0x4f8/0xa40 [ 819.217946][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 819.217946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 819.217946][ T10] netlink_rcv_skb+0x130/0x360 [ 819.217946][ T10] netlink_unicast+0x449/0x710 [ 819.217946][ T10] netlink_sendmsg+0x723/0xbe0 [ 819.217946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 819.217946][ T10] ___sys_sendmsg+0xee/0x170 [ 819.217946][ T10] __sys_sendmsg+0xcd/0x170 [ 819.217946][ T10] do_syscall_64+0xc6/0x1e0 [ 819.217946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 819.217946][ T10] [ 819.221271][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 819.221271][ T10] netdev_get_by_index+0x5e/0x80 [ 819.221271][ T10] fib6_nh_init+0x3d8/0x1580 [ 819.221271][ T10] ip6_route_info_create+0xf18/0x17d0 [ 819.221271][ T10] addrconf_f6i_alloc+0x315/0x560 [ 819.221271][ T10] ipv6_add_addr+0x411/0x2000 [ 819.221271][ T10] inet6_addr_add+0x30e/0xa40 [ 819.221271][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 819.221271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 819.221271][ T10] netlink_rcv_skb+0x130/0x360 [ 819.221271][ T10] netlink_unicast+0x449/0x710 [ 819.221271][ T10] netlink_sendmsg+0x723/0xbe0 [ 819.221271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 819.221271][ T10] ___sys_sendmsg+0xee/0x170 [ 819.221271][ T10] __sys_sendmsg+0xcd/0x170 [ 819.221271][ T10] do_syscall_64+0xc6/0x1e0 [ 819.221271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 819.221271][ T10] [ 819.224588][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 819.224588][ T10] netdev_get_by_index+0x5e/0x80 [ 819.224588][ T10] fib6_nh_init+0x3d8/0x1580 [ 819.224588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 819.224588][ T10] ip6_route_add+0x1c/0x140 [ 819.224588][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 819.224588][ T10] addrconf_add_dev+0xe2/0x170 [ 819.224588][ T10] inet6_addr_add+0x12f/0xa40 [ 819.224588][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 819.224588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 819.224588][ T10] netlink_rcv_skb+0x130/0x360 [ 819.224588][ T10] netlink_unicast+0x449/0x710 [ 819.224588][ T10] netlink_sendmsg+0x723/0xbe0 [ 819.224588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 819.224588][ T10] ___sys_sendmsg+0xee/0x170 [ 819.224588][ T10] __sys_sendmsg+0xcd/0x170 [ 819.224588][ T10] do_syscall_64+0xc6/0x1e0 [ 819.224588][ T10] [ 819.228121][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 819.228121][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 819.228121][ T10] ipv6_find_idev+0x102/0x170 [ 819.228121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 819.228121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 819.228121][ T10] netlink_rcv_skb+0x130/0x360 [ 819.228121][ T10] netlink_unicast+0x449/0x710 [ 819.228121][ T10] netlink_sendmsg+0x723/0xbe0 [ 819.228121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 819.228121][ T10] ___sys_sendmsg+0xee/0x170 [ 819.228121][ T10] __sys_sendmsg+0xcd/0x170 [ 819.228121][ T10] do_syscall_64+0xc6/0x1e0 [ 819.228121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 819.228121][ T10] [ 819.230765][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 819.230765][ T10] neigh_parms_alloc+0x1e5/0x510 [ 819.230765][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 819.230765][ T10] ipv6_find_idev+0x102/0x170 [ 819.230765][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 819.230765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 819.230765][ T10] netlink_rcv_skb+0x130/0x360 [ 819.230765][ T10] netlink_unicast+0x449/0x710 [ 819.230765][ T10] netlink_sendmsg+0x723/0xbe0 [ 819.230765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 819.230765][ T10] ___sys_sendmsg+0xee/0x170 [ 819.230765][ T10] __sys_sendmsg+0xcd/0x170 [ 819.230765][ T10] do_syscall_64+0xc6/0x1e0 [ 819.230765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 819.230765][ T10] [ 819.417118][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 819.417579][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 819.417579][ T1167] dst_init+0x84/0x4a0 [ 819.417579][ T1167] dst_alloc+0x97/0x150 [ 819.417579][ T1167] ip6_dst_alloc+0x23/0x90 [ 819.417579][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 819.417579][ T1167] ip6_pol_route+0x56f/0x840 [ 819.417579][ T1167] fib6_rule_lookup+0x334/0x630 [ 819.417579][ T1167] ip6_route_output_flags+0x259/0x480 [ 819.417579][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 819.417579][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 819.417579][ T1167] netlink_rcv_skb+0x130/0x360 [ 819.417579][ T1167] netlink_unicast+0x449/0x710 [ 819.417579][ T1167] netlink_sendmsg+0x723/0xbe0 [ 819.417579][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 819.417579][ T1167] ___sys_sendmsg+0xee/0x170 [ 819.417579][ T1167] __sys_sendmsg+0xcd/0x170 [ 819.417579][ T1167] do_syscall_64+0xc6/0x1e0 [ 819.417579][ T1167] [ 819.419792][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 819.419792][ T1167] netdev_get_by_index+0x5e/0x80 [ 819.419792][ T1167] fib6_nh_init+0x3d8/0x1580 [ 819.419792][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 819.419792][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 819.419792][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 819.419792][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 819.419792][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 819.419792][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 819.419792][ T1167] addrconf_dad_begin+0x310/0x670 [ 819.419792][ T1167] addrconf_dad_work+0x10b/0xab0 [ 819.419792][ T1167] process_one_work+0x84d/0x18a0 [ 819.419792][ T1167] worker_thread+0x587/0xd30 [ 819.419792][ T1167] kthread+0x28a/0x350 [ 819.419792][ T1167] ret_from_fork+0x31/0x70 [ 819.419792][ T1167] ret_from_fork_asm+0x1a/0x30 [ 819.419792][ T1167] [ 819.421939][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 819.421939][ T1167] netdev_get_by_index+0x5e/0x80 [ 819.421939][ T1167] fib6_nh_init+0x3d8/0x1580 [ 819.421939][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 819.421939][ T1167] ip6_route_add+0x1c/0x140 [ 819.421939][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 819.421939][ T1167] inet6_addr_add+0x4f8/0xa40 [ 819.421939][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 819.421939][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 819.421939][ T1167] netlink_rcv_skb+0x130/0x360 [ 819.421939][ T1167] netlink_unicast+0x449/0x710 [ 819.421939][ T1167] netlink_sendmsg+0x723/0xbe0 [ 819.421939][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 819.421939][ T1167] ___sys_sendmsg+0xee/0x170 [ 819.421939][ T1167] __sys_sendmsg+0xcd/0x170 [ 819.421939][ T1167] do_syscall_64+0xc6/0x1e0 [ 819.421939][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 819.421939][ T1167] [ 819.424182][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 819.424182][ T1167] netdev_get_by_index+0x5e/0x80 [ 819.424182][ T1167] fib6_nh_init+0x3d8/0x1580 [ 819.424182][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 819.424182][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 819.424182][ T1167] ipv6_add_addr+0x411/0x2000 [ 819.424182][ T1167] inet6_addr_add+0x30e/0xa40 [ 819.424182][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 819.424182][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 819.424182][ T1167] netlink_rcv_skb+0x130/0x360 [ 819.424182][ T1167] netlink_unicast+0x449/0x710 [ 819.424182][ T1167] netlink_sendmsg+0x723/0xbe0 [ 819.424182][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 819.424182][ T1167] ___sys_sendmsg+0xee/0x170 [ 819.424182][ T1167] __sys_sendmsg+0xcd/0x170 [ 819.424182][ T1167] do_syscall_64+0xc6/0x1e0 [ 819.424182][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 819.424182][ T1167] [ 819.426423][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 819.426423][ T1167] netdev_get_by_index+0x5e/0x80 [ 819.426423][ T1167] fib6_nh_init+0x3d8/0x1580 [ 819.426423][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 819.426423][ T1167] ip6_route_add+0x1c/0x140 [ 819.426423][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 819.426423][ T1167] addrconf_add_dev+0xe2/0x170 [ 819.426423][ T1167] inet6_addr_add+0x12f/0xa40 [ 819.426423][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 819.426423][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 819.426423][ T1167] netlink_rcv_skb+0x130/0x360 [ 819.426423][ T1167] netlink_unicast+0x449/0x710 [ 819.426423][ T1167] netlink_sendmsg+0x723/0xbe0 [ 819.426423][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 819.426423][ T1167] ___sys_sendmsg+0xee/0x170 [ 819.426423][ T1167] __sys_sendmsg+0xcd/0x170 [ 819.426423][ T1167] do_syscall_64+0xc6/0x1e0 [ 819.426423][ T1167] [ 819.428622][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 819.428622][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 819.428622][ T1167] ipv6_find_idev+0x102/0x170 [ 819.428622][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 819.428622][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 819.428622][ T1167] netlink_rcv_skb+0x130/0x360 [ 819.428622][ T1167] netlink_unicast+0x449/0x710 [ 819.428622][ T1167] netlink_sendmsg+0x723/0xbe0 [ 819.428622][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 819.428622][ T1167] ___sys_sendmsg+0xee/0x170 [ 819.428622][ T1167] __sys_sendmsg+0xcd/0x170 [ 819.428622][ T1167] do_syscall_64+0xc6/0x1e0 [ 819.428622][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 819.428622][ T1167] [ 819.430341][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 819.430341][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 819.430341][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 819.430341][ T1167] ipv6_find_idev+0x102/0x170 [ 819.430341][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 819.430341][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 819.430341][ T1167] netlink_rcv_skb+0x130/0x360 [ 819.430341][ T1167] netlink_unicast+0x449/0x710 [ 819.430341][ T1167] netlink_sendmsg+0x723/0xbe0 [ 819.430341][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 819.430341][ T1167] ___sys_sendmsg+0xee/0x170 [ 819.430341][ T1167] __sys_sendmsg+0xcd/0x170 [ 819.430341][ T1167] do_syscall_64+0xc6/0x1e0 [ 819.430341][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 819.430341][ T1167] [ 829.489139][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 829.489522][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 829.489522][ T10] netdev_get_by_index+0x5e/0x80 [ 829.489522][ T10] fib6_nh_init+0x3d8/0x1580 [ 829.489522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 829.489522][ T10] addrconf_f6i_alloc+0x265/0x560 [ 829.489522][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 829.489522][ T10] addrconf_join_anycast+0x1c0/0x220 [ 829.489522][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 829.489522][ T10] addrconf_dad_completed+0x12b/0xe20 [ 829.489522][ T10] addrconf_dad_begin+0x310/0x670 [ 829.489522][ T10] addrconf_dad_work+0x10b/0xab0 [ 829.489522][ T10] process_one_work+0x84d/0x18a0 [ 829.489522][ T10] worker_thread+0x587/0xd30 [ 829.489522][ T10] kthread+0x28a/0x350 [ 829.489522][ T10] ret_from_fork+0x31/0x70 [ 829.489522][ T10] ret_from_fork_asm+0x1a/0x30 [ 829.489522][ T10] [ 829.491567][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 829.491567][ T10] netdev_get_by_index+0x5e/0x80 [ 829.491567][ T10] fib6_nh_init+0x3d8/0x1580 [ 829.491567][ T10] ip6_route_info_create+0xf18/0x17d0 [ 829.491567][ T10] ip6_route_add+0x1c/0x140 [ 829.491567][ T10] addrconf_prefix_route+0x2a6/0x430 [ 829.491567][ T10] inet6_addr_add+0x4f8/0xa40 [ 829.491567][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 829.491567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 829.491567][ T10] netlink_rcv_skb+0x130/0x360 [ 829.491567][ T10] netlink_unicast+0x449/0x710 [ 829.491567][ T10] netlink_sendmsg+0x723/0xbe0 [ 829.491567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 829.491567][ T10] ___sys_sendmsg+0xee/0x170 [ 829.491567][ T10] __sys_sendmsg+0xcd/0x170 [ 829.491567][ T10] do_syscall_64+0xc6/0x1e0 [ 829.491567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 829.491567][ T10] [ 829.493561][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 829.493561][ T10] netdev_get_by_index+0x5e/0x80 [ 829.493561][ T10] fib6_nh_init+0x3d8/0x1580 [ 829.493561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 829.493561][ T10] addrconf_f6i_alloc+0x315/0x560 [ 829.493561][ T10] ipv6_add_addr+0x411/0x2000 [ 829.493561][ T10] inet6_addr_add+0x30e/0xa40 [ 829.493561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 829.493561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 829.493561][ T10] netlink_rcv_skb+0x130/0x360 [ 829.493561][ T10] netlink_unicast+0x449/0x710 [ 829.493561][ T10] netlink_sendmsg+0x723/0xbe0 [ 829.493561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 829.493561][ T10] ___sys_sendmsg+0xee/0x170 [ 829.493561][ T10] __sys_sendmsg+0xcd/0x170 [ 829.493561][ T10] do_syscall_64+0xc6/0x1e0 [ 829.493561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 829.493561][ T10] [ 829.495552][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 829.495552][ T10] netdev_get_by_index+0x5e/0x80 [ 829.495552][ T10] fib6_nh_init+0x3d8/0x1580 [ 829.495552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 829.495552][ T10] ip6_route_add+0x1c/0x140 [ 829.495552][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 829.495552][ T10] addrconf_add_dev+0xe2/0x170 [ 829.495552][ T10] inet6_addr_add+0x12f/0xa40 [ 829.495552][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 829.495552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 829.495552][ T10] netlink_rcv_skb+0x130/0x360 [ 829.495552][ T10] netlink_unicast+0x449/0x710 [ 829.495552][ T10] netlink_sendmsg+0x723/0xbe0 [ 829.495552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 829.495552][ T10] ___sys_sendmsg+0xee/0x170 [ 829.495552][ T10] __sys_sendmsg+0xcd/0x170 [ 829.495552][ T10] do_syscall_64+0xc6/0x1e0 [ 829.495552][ T10] [ 829.497501][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 829.497501][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 829.497501][ T10] ipv6_find_idev+0x102/0x170 [ 829.497501][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 829.497501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 829.497501][ T10] netlink_rcv_skb+0x130/0x360 [ 829.497501][ T10] netlink_unicast+0x449/0x710 [ 829.497501][ T10] netlink_sendmsg+0x723/0xbe0 [ 829.497501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 829.497501][ T10] ___sys_sendmsg+0xee/0x170 [ 829.497501][ T10] __sys_sendmsg+0xcd/0x170 [ 829.497501][ T10] do_syscall_64+0xc6/0x1e0 [ 829.497501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 829.497501][ T10] [ 829.499035][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 829.499035][ T10] neigh_parms_alloc+0x1e5/0x510 [ 829.499035][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 829.499035][ T10] ipv6_find_idev+0x102/0x170 [ 829.499035][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 829.499035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 829.499035][ T10] netlink_rcv_skb+0x130/0x360 [ 829.499035][ T10] netlink_unicast+0x449/0x710 [ 829.499035][ T10] netlink_sendmsg+0x723/0xbe0 [ 829.499035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 829.499035][ T10] ___sys_sendmsg+0xee/0x170 [ 829.499035][ T10] __sys_sendmsg+0xcd/0x170 [ 829.499035][ T10] do_syscall_64+0xc6/0x1e0 [ 829.499035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 829.499035][ T10] [ 829.500724][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 829.500975][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 829.500975][ T10] netdev_get_by_index+0x5e/0x80 [ 829.500975][ T10] fib6_nh_init+0x3d8/0x1580 [ 829.500975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 829.500975][ T10] addrconf_f6i_alloc+0x265/0x560 [ 829.500975][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 829.500975][ T10] addrconf_join_anycast+0x1c0/0x220 [ 829.500975][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 829.500975][ T10] addrconf_dad_completed+0x12b/0xe20 [ 829.500975][ T10] addrconf_dad_begin+0x310/0x670 [ 829.500975][ T10] addrconf_dad_work+0x10b/0xab0 [ 829.500975][ T10] process_one_work+0x84d/0x18a0 [ 829.500975][ T10] worker_thread+0x587/0xd30 [ 829.500975][ T10] kthread+0x28a/0x350 [ 829.500975][ T10] ret_from_fork+0x31/0x70 [ 829.500975][ T10] ret_from_fork_asm+0x1a/0x30 [ 829.500975][ T10] [ 829.502867][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 829.502867][ T10] netdev_get_by_index+0x5e/0x80 [ 829.502867][ T10] fib6_nh_init+0x3d8/0x1580 [ 829.502867][ T10] ip6_route_info_create+0xf18/0x17d0 [ 829.502867][ T10] ip6_route_add+0x1c/0x140 [ 829.502867][ T10] addrconf_prefix_route+0x2a6/0x430 [ 829.502867][ T10] inet6_addr_add+0x4f8/0xa40 [ 829.502867][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 829.502867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 829.502867][ T10] netlink_rcv_skb+0x130/0x360 [ 829.502867][ T10] netlink_unicast+0x449/0x710 [ 829.502867][ T10] netlink_sendmsg+0x723/0xbe0 [ 829.502867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 829.502867][ T10] ___sys_sendmsg+0xee/0x170 [ 829.502867][ T10] __sys_sendmsg+0xcd/0x170 [ 829.502867][ T10] do_syscall_64+0xc6/0x1e0 [ 829.502867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 829.502867][ T10] [ 829.505409][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 829.505409][ T10] netdev_get_by_index+0x5e/0x80 [ 829.505409][ T10] fib6_nh_init+0x3d8/0x1580 [ 829.505409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 829.505409][ T10] addrconf_f6i_alloc+0x315/0x560 [ 829.505409][ T10] ipv6_add_addr+0x411/0x2000 [ 829.505409][ T10] inet6_addr_add+0x30e/0xa40 [ 829.505409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 829.505409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 829.505409][ T10] netlink_rcv_skb+0x130/0x360 [ 829.505409][ T10] netlink_unicast+0x449/0x710 [ 829.505409][ T10] netlink_sendmsg+0x723/0xbe0 [ 829.505409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 829.505409][ T10] ___sys_sendmsg+0xee/0x170 [ 829.505409][ T10] __sys_sendmsg+0xcd/0x170 [ 829.505409][ T10] do_syscall_64+0xc6/0x1e0 [ 829.505409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 829.505409][ T10] [ 829.507396][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 829.507396][ T10] netdev_get_by_index+0x5e/0x80 [ 829.507396][ T10] fib6_nh_init+0x3d8/0x1580 [ 829.507396][ T10] ip6_route_info_create+0xf18/0x17d0 [ 829.507396][ T10] ip6_route_add+0x1c/0x140 [ 829.507396][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 829.507396][ T10] addrconf_add_dev+0xe2/0x170 [ 829.507396][ T10] inet6_addr_add+0x12f/0xa40 [ 829.507396][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 829.507396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 829.507396][ T10] netlink_rcv_skb+0x130/0x360 [ 829.507396][ T10] netlink_unicast+0x449/0x710 [ 829.507396][ T10] netlink_sendmsg+0x723/0xbe0 [ 829.507396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 829.507396][ T10] ___sys_sendmsg+0xee/0x170 [ 829.507396][ T10] __sys_sendmsg+0xcd/0x170 [ 829.507396][ T10] do_syscall_64+0xc6/0x1e0 [ 829.507396][ T10] [ 829.509337][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 829.509337][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 829.509337][ T10] ipv6_find_idev+0x102/0x170 [ 829.509337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 829.509337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 829.509337][ T10] netlink_rcv_skb+0x130/0x360 [ 829.509337][ T10] netlink_unicast+0x449/0x710 [ 829.509337][ T10] netlink_sendmsg+0x723/0xbe0 [ 829.509337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 829.509337][ T10] ___sys_sendmsg+0xee/0x170 [ 829.509337][ T10] __sys_sendmsg+0xcd/0x170 [ 829.509337][ T10] do_syscall_64+0xc6/0x1e0 [ 829.509337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 829.509337][ T10] [ 829.510863][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 829.510863][ T10] neigh_parms_alloc+0x1e5/0x510 [ 829.510863][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 829.510863][ T10] ipv6_find_idev+0x102/0x170 [ 829.510863][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 829.510863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 829.510863][ T10] netlink_rcv_skb+0x130/0x360 [ 829.510863][ T10] netlink_unicast+0x449/0x710 [ 829.510863][ T10] netlink_sendmsg+0x723/0xbe0 [ 829.510863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 829.510863][ T10] ___sys_sendmsg+0xee/0x170 [ 829.510863][ T10] __sys_sendmsg+0xcd/0x170 [ 829.510863][ T10] do_syscall_64+0xc6/0x1e0 [ 829.510863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 829.510863][ T10] [ 829.512541][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 829.512787][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 829.512787][ T10] netdev_get_by_index+0x5e/0x80 [ 829.512787][ T10] fib6_nh_init+0x3d8/0x1580 [ 829.512787][ T10] ip6_route_info_create+0xf18/0x17d0 [ 829.512787][ T10] addrconf_f6i_alloc+0x265/0x560 [ 829.512787][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 829.512787][ T10] addrconf_join_anycast+0x1c0/0x220 [ 829.512787][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 829.512787][ T10] addrconf_dad_completed+0x12b/0xe20 [ 829.512787][ T10] addrconf_dad_begin+0x310/0x670 [ 829.512787][ T10] addrconf_dad_work+0x10b/0xab0 [ 829.512787][ T10] process_one_work+0x84d/0x18a0 [ 829.512787][ T10] worker_thread+0x587/0xd30 [ 829.512787][ T10] kthread+0x28a/0x350 [ 829.512787][ T10] ret_from_fork+0x31/0x70 [ 829.512787][ T10] ret_from_fork_asm+0x1a/0x30 [ 829.512787][ T10] [ 829.514685][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 829.514685][ T10] netdev_get_by_index+0x5e/0x80 [ 829.514685][ T10] fib6_nh_init+0x3d8/0x1580 [ 829.514685][ T10] ip6_route_info_create+0xf18/0x17d0 [ 829.514685][ T10] ip6_route_add+0x1c/0x140 [ 829.514685][ T10] addrconf_prefix_route+0x2a6/0x430 [ 829.514685][ T10] inet6_addr_add+0x4f8/0xa40 [ 829.514685][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 829.514685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 829.514685][ T10] netlink_rcv_skb+0x130/0x360 [ 829.514685][ T10] netlink_unicast+0x449/0x710 [ 829.514685][ T10] netlink_sendmsg+0x723/0xbe0 [ 829.514685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 829.514685][ T10] ___sys_sendmsg+0xee/0x170 [ 829.514685][ T10] __sys_sendmsg+0xcd/0x170 [ 829.514685][ T10] do_syscall_64+0xc6/0x1e0 [ 829.514685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 829.514685][ T10] [ 829.516844][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 829.516844][ T10] netdev_get_by_index+0x5e/0x80 [ 829.516844][ T10] fib6_nh_init+0x3d8/0x1580 [ 829.516844][ T10] ip6_route_info_create+0xf18/0x17d0 [ 829.516844][ T10] addrconf_f6i_alloc+0x315/0x560 [ 829.516844][ T10] ipv6_add_addr+0x411/0x2000 [ 829.516844][ T10] inet6_addr_add+0x30e/0xa40 [ 829.516844][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 829.516844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 829.516844][ T10] netlink_rcv_skb+0x130/0x360 [ 829.516844][ T10] netlink_unicast+0x449/0x710 [ 829.516844][ T10] netlink_sendmsg+0x723/0xbe0 [ 829.516844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 829.516844][ T10] ___sys_sendmsg+0xee/0x170 [ 829.516844][ T10] __sys_sendmsg+0xcd/0x170 [ 829.516844][ T10] do_syscall_64+0xc6/0x1e0 [ 829.516844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 829.516844][ T10] [ 829.519060][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 829.519060][ T10] netdev_get_by_index+0x5e/0x80 [ 829.519060][ T10] fib6_nh_init+0x3d8/0x1580 [ 829.519060][ T10] ip6_route_info_create+0xf18/0x17d0 [ 829.519060][ T10] ip6_route_add+0x1c/0x140 [ 829.519060][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 829.519060][ T10] addrconf_add_dev+0xe2/0x170 [ 829.519060][ T10] inet6_addr_add+0x12f/0xa40 [ 829.519060][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 829.519060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 829.519060][ T10] netlink_rcv_skb+0x130/0x360 [ 829.519060][ T10] netlink_unicast+0x449/0x710 [ 829.519060][ T10] netlink_sendmsg+0x723/0xbe0 [ 829.519060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 829.519060][ T10] ___sys_sendmsg+0xee/0x170 [ 829.519060][ T10] __sys_sendmsg+0xcd/0x170 [ 829.519060][ T10] do_syscall_64+0xc6/0x1e0 [ 829.519060][ T10] [ 829.521301][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 829.521301][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 829.521301][ T10] ipv6_find_idev+0x102/0x170 [ 829.521301][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 829.521301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 829.521301][ T10] netlink_rcv_skb+0x130/0x360 [ 829.521301][ T10] netlink_unicast+0x449/0x710 [ 829.521301][ T10] netlink_sendmsg+0x723/0xbe0 [ 829.521301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 829.521301][ T10] ___sys_sendmsg+0xee/0x170 [ 829.521301][ T10] __sys_sendmsg+0xcd/0x170 [ 829.521301][ T10] do_syscall_64+0xc6/0x1e0 [ 829.521301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 829.521301][ T10] [ 829.523006][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 829.523006][ T10] neigh_parms_alloc+0x1e5/0x510 [ 829.523006][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 829.523006][ T10] ipv6_find_idev+0x102/0x170 [ 829.523006][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 829.523006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 829.523006][ T10] netlink_rcv_skb+0x130/0x360 [ 829.523006][ T10] netlink_unicast+0x449/0x710 [ 829.523006][ T10] netlink_sendmsg+0x723/0xbe0 [ 829.523006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 829.523006][ T10] ___sys_sendmsg+0xee/0x170 [ 829.523006][ T10] __sys_sendmsg+0xcd/0x170 [ 829.523006][ T10] do_syscall_64+0xc6/0x1e0 [ 829.523006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 829.523006][ T10] [ 829.524863][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 829.525543][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 829.525543][ T10] netdev_get_by_index+0x5e/0x80 [ 829.525543][ T10] fib6_nh_init+0x3d8/0x1580 [ 829.525543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 829.525543][ T10] addrconf_f6i_alloc+0x265/0x560 [ 829.525543][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 829.525543][ T10] addrconf_join_anycast+0x1c0/0x220 [ 829.525543][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 829.525543][ T10] addrconf_dad_completed+0x12b/0xe20 [ 829.525543][ T10] addrconf_dad_begin+0x310/0x670 [ 829.525543][ T10] addrconf_dad_work+0x10b/0xab0 [ 829.525543][ T10] process_one_work+0x84d/0x18a0 [ 829.525543][ T10] worker_thread+0x587/0xd30 [ 829.525543][ T10] kthread+0x28a/0x350 [ 829.525543][ T10] ret_from_fork+0x31/0x70 [ 829.525543][ T10] ret_from_fork_asm+0x1a/0x30 [ 829.525543][ T10] [ 829.527426][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 829.527426][ T10] netdev_get_by_index+0x5e/0x80 [ 829.527426][ T10] fib6_nh_init+0x3d8/0x1580 [ 829.527426][ T10] ip6_route_info_create+0xf18/0x17d0 [ 829.527426][ T10] ip6_route_add+0x1c/0x140 [ 829.527426][ T10] addrconf_prefix_route+0x2a6/0x430 [ 829.527426][ T10] inet6_addr_add+0x4f8/0xa40 [ 829.527426][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 829.527426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 829.527426][ T10] netlink_rcv_skb+0x130/0x360 [ 829.527426][ T10] netlink_unicast+0x449/0x710 [ 829.527426][ T10] netlink_sendmsg+0x723/0xbe0 [ 829.527426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 829.527426][ T10] ___sys_sendmsg+0xee/0x170 [ 829.527426][ T10] __sys_sendmsg+0xcd/0x170 [ 829.527426][ T10] do_syscall_64+0xc6/0x1e0 [ 829.527426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 829.527426][ T10] [ 829.529519][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 829.529519][ T10] netdev_get_by_index+0x5e/0x80 [ 829.529519][ T10] fib6_nh_init+0x3d8/0x1580 [ 829.529519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 829.529519][ T10] addrconf_f6i_alloc+0x315/0x560 [ 829.529519][ T10] ipv6_add_addr+0x411/0x2000 [ 829.529519][ T10] inet6_addr_add+0x30e/0xa40 [ 829.529519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 829.529519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 829.529519][ T10] netlink_rcv_skb+0x130/0x360 [ 829.529519][ T10] netlink_unicast+0x449/0x710 [ 829.529519][ T10] netlink_sendmsg+0x723/0xbe0 [ 829.529519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 829.529519][ T10] ___sys_sendmsg+0xee/0x170 [ 829.529519][ T10] __sys_sendmsg+0xcd/0x170 [ 829.529519][ T10] do_syscall_64+0xc6/0x1e0 [ 829.529519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 829.529519][ T10] [ 829.531737][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 829.531737][ T10] netdev_get_by_index+0x5e/0x80 [ 829.531737][ T10] fib6_nh_init+0x3d8/0x1580 [ 829.531737][ T10] ip6_route_info_create+0xf18/0x17d0 [ 829.531737][ T10] ip6_route_add+0x1c/0x140 [ 829.531737][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 829.531737][ T10] addrconf_add_dev+0xe2/0x170 [ 829.531737][ T10] inet6_addr_add+0x12f/0xa40 [ 829.531737][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 829.531737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 829.531737][ T10] netlink_rcv_skb+0x130/0x360 [ 829.531737][ T10] netlink_unicast+0x449/0x710 [ 829.531737][ T10] netlink_sendmsg+0x723/0xbe0 [ 829.531737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 829.531737][ T10] ___sys_sendmsg+0xee/0x170 [ 829.531737][ T10] __sys_sendmsg+0xcd/0x170 [ 829.531737][ T10] do_syscall_64+0xc6/0x1e0 [ 829.531737][ T10] [ 829.533869][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 829.533869][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 829.533869][ T10] ipv6_find_idev+0x102/0x170 [ 829.533869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 829.533869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 829.533869][ T10] netlink_rcv_skb+0x130/0x360 [ 829.533869][ T10] netlink_unicast+0x449/0x710 [ 829.533869][ T10] netlink_sendmsg+0x723/0xbe0 [ 829.533869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 829.533869][ T10] ___sys_sendmsg+0xee/0x170 [ 829.533869][ T10] __sys_sendmsg+0xcd/0x170 [ 829.533869][ T10] do_syscall_64+0xc6/0x1e0 [ 829.533869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 829.533869][ T10] [ 829.535643][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 829.535643][ T10] neigh_parms_alloc+0x1e5/0x510 [ 829.535643][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 829.535643][ T10] ipv6_find_idev+0x102/0x170 [ 829.535643][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 829.535643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 829.535643][ T10] netlink_rcv_skb+0x130/0x360 [ 829.535643][ T10] netlink_unicast+0x449/0x710 [ 829.535643][ T10] netlink_sendmsg+0x723/0xbe0 [ 829.535643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 829.535643][ T10] ___sys_sendmsg+0xee/0x170 [ 829.535643][ T10] __sys_sendmsg+0xcd/0x170 [ 829.535643][ T10] do_syscall_64+0xc6/0x1e0 [ 829.535643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 829.535643][ T10] [ 829.681193][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 829.681712][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 829.681712][ T1167] dst_init+0x84/0x4a0 [ 829.681712][ T1167] dst_alloc+0x97/0x150 [ 829.681712][ T1167] ip6_dst_alloc+0x23/0x90 [ 829.681712][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 829.681712][ T1167] ip6_pol_route+0x56f/0x840 [ 829.681712][ T1167] fib6_rule_lookup+0x334/0x630 [ 829.681712][ T1167] ip6_route_output_flags+0x259/0x480 [ 829.681712][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 829.681712][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 829.681712][ T1167] netlink_rcv_skb+0x130/0x360 [ 829.681712][ T1167] netlink_unicast+0x449/0x710 [ 829.681712][ T1167] netlink_sendmsg+0x723/0xbe0 [ 829.681712][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 829.681712][ T1167] ___sys_sendmsg+0xee/0x170 [ 829.681712][ T1167] __sys_sendmsg+0xcd/0x170 [ 829.681712][ T1167] do_syscall_64+0xc6/0x1e0 [ 829.681712][ T1167] [ 829.683924][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 829.683924][ T1167] netdev_get_by_index+0x5e/0x80 [ 829.683924][ T1167] fib6_nh_init+0x3d8/0x1580 [ 829.683924][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 829.683924][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 829.683924][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 829.683924][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 829.683924][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 829.683924][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 829.683924][ T1167] addrconf_dad_begin+0x310/0x670 [ 829.683924][ T1167] addrconf_dad_work+0x10b/0xab0 [ 829.683924][ T1167] process_one_work+0x84d/0x18a0 [ 829.683924][ T1167] worker_thread+0x587/0xd30 [ 829.683924][ T1167] kthread+0x28a/0x350 [ 829.683924][ T1167] ret_from_fork+0x31/0x70 [ 829.683924][ T1167] ret_from_fork_asm+0x1a/0x30 [ 829.683924][ T1167] [ 829.686083][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 829.686083][ T1167] netdev_get_by_index+0x5e/0x80 [ 829.686083][ T1167] fib6_nh_init+0x3d8/0x1580 [ 829.686083][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 829.686083][ T1167] ip6_route_add+0x1c/0x140 [ 829.686083][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 829.686083][ T1167] inet6_addr_add+0x4f8/0xa40 [ 829.686083][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 829.686083][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 829.686083][ T1167] netlink_rcv_skb+0x130/0x360 [ 829.686083][ T1167] netlink_unicast+0x449/0x710 [ 829.686083][ T1167] netlink_sendmsg+0x723/0xbe0 [ 829.686083][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 829.686083][ T1167] ___sys_sendmsg+0xee/0x170 [ 829.686083][ T1167] __sys_sendmsg+0xcd/0x170 [ 829.686083][ T1167] do_syscall_64+0xc6/0x1e0 [ 829.686083][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 829.686083][ T1167] [ 829.688316][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 829.688316][ T1167] netdev_get_by_index+0x5e/0x80 [ 829.688316][ T1167] fib6_nh_init+0x3d8/0x1580 [ 829.688316][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 829.688316][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 829.688316][ T1167] ipv6_add_addr+0x411/0x2000 [ 829.688316][ T1167] inet6_addr_add+0x30e/0xa40 [ 829.688316][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 829.688316][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 829.688316][ T1167] netlink_rcv_skb+0x130/0x360 [ 829.688316][ T1167] netlink_unicast+0x449/0x710 [ 829.688316][ T1167] netlink_sendmsg+0x723/0xbe0 [ 829.688316][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 829.688316][ T1167] ___sys_sendmsg+0xee/0x170 [ 829.688316][ T1167] __sys_sendmsg+0xcd/0x170 [ 829.688316][ T1167] do_syscall_64+0xc6/0x1e0 [ 829.688316][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 829.688316][ T1167] [ 829.690567][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 829.690567][ T1167] netdev_get_by_index+0x5e/0x80 [ 829.690567][ T1167] fib6_nh_init+0x3d8/0x1580 [ 829.690567][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 829.690567][ T1167] ip6_route_add+0x1c/0x140 [ 829.690567][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 829.690567][ T1167] addrconf_add_dev+0xe2/0x170 [ 829.690567][ T1167] inet6_addr_add+0x12f/0xa40 [ 829.690567][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 829.690567][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 829.690567][ T1167] netlink_rcv_skb+0x130/0x360 [ 829.690567][ T1167] netlink_unicast+0x449/0x710 [ 829.690567][ T1167] netlink_sendmsg+0x723/0xbe0 [ 829.690567][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 829.690567][ T1167] ___sys_sendmsg+0xee/0x170 [ 829.690567][ T1167] __sys_sendmsg+0xcd/0x170 [ 829.690567][ T1167] do_syscall_64+0xc6/0x1e0 [ 829.690567][ T1167] [ 829.692767][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 829.692767][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 829.692767][ T1167] ipv6_find_idev+0x102/0x170 [ 829.692767][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 829.692767][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 829.692767][ T1167] netlink_rcv_skb+0x130/0x360 [ 829.692767][ T1167] netlink_unicast+0x449/0x710 [ 829.692767][ T1167] netlink_sendmsg+0x723/0xbe0 [ 829.692767][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 829.692767][ T1167] ___sys_sendmsg+0xee/0x170 [ 829.692767][ T1167] __sys_sendmsg+0xcd/0x170 [ 829.692767][ T1167] do_syscall_64+0xc6/0x1e0 [ 829.692767][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 829.692767][ T1167] [ 829.694498][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 829.694498][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 829.694498][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 829.694498][ T1167] ipv6_find_idev+0x102/0x170 [ 829.694498][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 829.694498][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 829.694498][ T1167] netlink_rcv_skb+0x130/0x360 [ 829.694498][ T1167] netlink_unicast+0x449/0x710 [ 829.694498][ T1167] netlink_sendmsg+0x723/0xbe0 [ 829.694498][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 829.694498][ T1167] ___sys_sendmsg+0xee/0x170 [ 829.694498][ T1167] __sys_sendmsg+0xcd/0x170 [ 829.694498][ T1167] do_syscall_64+0xc6/0x1e0 [ 829.694498][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 829.694498][ T1167] [ 839.777131][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 839.777519][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 839.777519][ T10] netdev_get_by_index+0x5e/0x80 [ 839.777519][ T10] fib6_nh_init+0x3d8/0x1580 [ 839.777519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 839.777519][ T10] addrconf_f6i_alloc+0x265/0x560 [ 839.777519][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 839.777519][ T10] addrconf_join_anycast+0x1c0/0x220 [ 839.777519][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 839.777519][ T10] addrconf_dad_completed+0x12b/0xe20 [ 839.777519][ T10] addrconf_dad_begin+0x310/0x670 [ 839.777519][ T10] addrconf_dad_work+0x10b/0xab0 [ 839.777519][ T10] process_one_work+0x84d/0x18a0 [ 839.777519][ T10] worker_thread+0x587/0xd30 [ 839.777519][ T10] kthread+0x28a/0x350 [ 839.777519][ T10] ret_from_fork+0x31/0x70 [ 839.777519][ T10] ret_from_fork_asm+0x1a/0x30 [ 839.777519][ T10] [ 839.779457][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 839.779457][ T10] netdev_get_by_index+0x5e/0x80 [ 839.779457][ T10] fib6_nh_init+0x3d8/0x1580 [ 839.779457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 839.779457][ T10] ip6_route_add+0x1c/0x140 [ 839.779457][ T10] addrconf_prefix_route+0x2a6/0x430 [ 839.779457][ T10] inet6_addr_add+0x4f8/0xa40 [ 839.779457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 839.779457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.779457][ T10] netlink_rcv_skb+0x130/0x360 [ 839.779457][ T10] netlink_unicast+0x449/0x710 [ 839.779457][ T10] netlink_sendmsg+0x723/0xbe0 [ 839.779457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 839.779457][ T10] ___sys_sendmsg+0xee/0x170 [ 839.779457][ T10] __sys_sendmsg+0xcd/0x170 [ 839.779457][ T10] do_syscall_64+0xc6/0x1e0 [ 839.779457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 839.779457][ T10] [ 839.781454][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 839.781454][ T10] netdev_get_by_index+0x5e/0x80 [ 839.781454][ T10] fib6_nh_init+0x3d8/0x1580 [ 839.781454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 839.781454][ T10] addrconf_f6i_alloc+0x315/0x560 [ 839.781454][ T10] ipv6_add_addr+0x411/0x2000 [ 839.781454][ T10] inet6_addr_add+0x30e/0xa40 [ 839.781454][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 839.781454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.781454][ T10] netlink_rcv_skb+0x130/0x360 [ 839.781454][ T10] netlink_unicast+0x449/0x710 [ 839.781454][ T10] netlink_sendmsg+0x723/0xbe0 [ 839.781454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 839.781454][ T10] ___sys_sendmsg+0xee/0x170 [ 839.781454][ T10] __sys_sendmsg+0xcd/0x170 [ 839.781454][ T10] do_syscall_64+0xc6/0x1e0 [ 839.781454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 839.781454][ T10] [ 839.783453][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 839.783453][ T10] netdev_get_by_index+0x5e/0x80 [ 839.783453][ T10] fib6_nh_init+0x3d8/0x1580 [ 839.783453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 839.783453][ T10] ip6_route_add+0x1c/0x140 [ 839.783453][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 839.783453][ T10] addrconf_add_dev+0xe2/0x170 [ 839.783453][ T10] inet6_addr_add+0x12f/0xa40 [ 839.783453][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 839.783453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.783453][ T10] netlink_rcv_skb+0x130/0x360 [ 839.783453][ T10] netlink_unicast+0x449/0x710 [ 839.783453][ T10] netlink_sendmsg+0x723/0xbe0 [ 839.783453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 839.783453][ T10] ___sys_sendmsg+0xee/0x170 [ 839.783453][ T10] __sys_sendmsg+0xcd/0x170 [ 839.783453][ T10] do_syscall_64+0xc6/0x1e0 [ 839.783453][ T10] [ 839.785423][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 839.785423][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 839.785423][ T10] ipv6_find_idev+0x102/0x170 [ 839.785423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 839.785423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.785423][ T10] netlink_rcv_skb+0x130/0x360 [ 839.785423][ T10] netlink_unicast+0x449/0x710 [ 839.785423][ T10] netlink_sendmsg+0x723/0xbe0 [ 839.785423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 839.785423][ T10] ___sys_sendmsg+0xee/0x170 [ 839.785423][ T10] __sys_sendmsg+0xcd/0x170 [ 839.785423][ T10] do_syscall_64+0xc6/0x1e0 [ 839.785423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 839.785423][ T10] [ 839.786954][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 839.786954][ T10] neigh_parms_alloc+0x1e5/0x510 [ 839.786954][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 839.786954][ T10] ipv6_find_idev+0x102/0x170 [ 839.786954][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 839.786954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.786954][ T10] netlink_rcv_skb+0x130/0x360 [ 839.786954][ T10] netlink_unicast+0x449/0x710 [ 839.786954][ T10] netlink_sendmsg+0x723/0xbe0 [ 839.786954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 839.786954][ T10] ___sys_sendmsg+0xee/0x170 [ 839.786954][ T10] __sys_sendmsg+0xcd/0x170 [ 839.786954][ T10] do_syscall_64+0xc6/0x1e0 [ 839.786954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 839.786954][ T10] [ 839.788712][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 839.788972][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 839.788972][ T10] netdev_get_by_index+0x5e/0x80 [ 839.788972][ T10] fib6_nh_init+0x3d8/0x1580 [ 839.788972][ T10] ip6_route_info_create+0xf18/0x17d0 [ 839.788972][ T10] addrconf_f6i_alloc+0x265/0x560 [ 839.788972][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 839.788972][ T10] addrconf_join_anycast+0x1c0/0x220 [ 839.788972][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 839.788972][ T10] addrconf_dad_completed+0x12b/0xe20 [ 839.788972][ T10] addrconf_dad_begin+0x310/0x670 [ 839.788972][ T10] addrconf_dad_work+0x10b/0xab0 [ 839.788972][ T10] process_one_work+0x84d/0x18a0 [ 839.788972][ T10] worker_thread+0x587/0xd30 [ 839.788972][ T10] kthread+0x28a/0x350 [ 839.788972][ T10] ret_from_fork+0x31/0x70 [ 839.788972][ T10] ret_from_fork_asm+0x1a/0x30 [ 839.788972][ T10] [ 839.790871][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 839.790871][ T10] netdev_get_by_index+0x5e/0x80 [ 839.790871][ T10] fib6_nh_init+0x3d8/0x1580 [ 839.790871][ T10] ip6_route_info_create+0xf18/0x17d0 [ 839.790871][ T10] ip6_route_add+0x1c/0x140 [ 839.790871][ T10] addrconf_prefix_route+0x2a6/0x430 [ 839.790871][ T10] inet6_addr_add+0x4f8/0xa40 [ 839.790871][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 839.790871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.790871][ T10] netlink_rcv_skb+0x130/0x360 [ 839.790871][ T10] netlink_unicast+0x449/0x710 [ 839.790871][ T10] netlink_sendmsg+0x723/0xbe0 [ 839.790871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 839.790871][ T10] ___sys_sendmsg+0xee/0x170 [ 839.790871][ T10] __sys_sendmsg+0xcd/0x170 [ 839.790871][ T10] do_syscall_64+0xc6/0x1e0 [ 839.790871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 839.790871][ T10] [ 839.792851][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 839.792851][ T10] netdev_get_by_index+0x5e/0x80 [ 839.792851][ T10] fib6_nh_init+0x3d8/0x1580 [ 839.792851][ T10] ip6_route_info_create+0xf18/0x17d0 [ 839.792851][ T10] addrconf_f6i_alloc+0x315/0x560 [ 839.792851][ T10] ipv6_add_addr+0x411/0x2000 [ 839.792851][ T10] inet6_addr_add+0x30e/0xa40 [ 839.792851][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 839.792851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.792851][ T10] netlink_rcv_skb+0x130/0x360 [ 839.792851][ T10] netlink_unicast+0x449/0x710 [ 839.792851][ T10] netlink_sendmsg+0x723/0xbe0 [ 839.792851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 839.792851][ T10] ___sys_sendmsg+0xee/0x170 [ 839.792851][ T10] __sys_sendmsg+0xcd/0x170 [ 839.792851][ T10] do_syscall_64+0xc6/0x1e0 [ 839.792851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 839.792851][ T10] [ 839.794868][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 839.794868][ T10] netdev_get_by_index+0x5e/0x80 [ 839.794868][ T10] fib6_nh_init+0x3d8/0x1580 [ 839.794868][ T10] ip6_route_info_create+0xf18/0x17d0 [ 839.794868][ T10] ip6_route_add+0x1c/0x140 [ 839.794868][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 839.794868][ T10] addrconf_add_dev+0xe2/0x170 [ 839.794868][ T10] inet6_addr_add+0x12f/0xa40 [ 839.794868][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 839.794868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.794868][ T10] netlink_rcv_skb+0x130/0x360 [ 839.794868][ T10] netlink_unicast+0x449/0x710 [ 839.794868][ T10] netlink_sendmsg+0x723/0xbe0 [ 839.794868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 839.794868][ T10] ___sys_sendmsg+0xee/0x170 [ 839.794868][ T10] __sys_sendmsg+0xcd/0x170 [ 839.794868][ T10] do_syscall_64+0xc6/0x1e0 [ 839.794868][ T10] [ 839.796843][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 839.796843][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 839.796843][ T10] ipv6_find_idev+0x102/0x170 [ 839.796843][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 839.796843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.796843][ T10] netlink_rcv_skb+0x130/0x360 [ 839.796843][ T10] netlink_unicast+0x449/0x710 [ 839.796843][ T10] netlink_sendmsg+0x723/0xbe0 [ 839.796843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 839.796843][ T10] ___sys_sendmsg+0xee/0x170 [ 839.796843][ T10] __sys_sendmsg+0xcd/0x170 [ 839.796843][ T10] do_syscall_64+0xc6/0x1e0 [ 839.796843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 839.796843][ T10] [ 839.798372][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 839.798372][ T10] neigh_parms_alloc+0x1e5/0x510 [ 839.798372][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 839.798372][ T10] ipv6_find_idev+0x102/0x170 [ 839.798372][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 839.798372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.798372][ T10] netlink_rcv_skb+0x130/0x360 [ 839.798372][ T10] netlink_unicast+0x449/0x710 [ 839.798372][ T10] netlink_sendmsg+0x723/0xbe0 [ 839.798372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 839.798372][ T10] ___sys_sendmsg+0xee/0x170 [ 839.798372][ T10] __sys_sendmsg+0xcd/0x170 [ 839.798372][ T10] do_syscall_64+0xc6/0x1e0 [ 839.798372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 839.798372][ T10] [ 839.800069][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 839.800311][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 839.800311][ T10] netdev_get_by_index+0x5e/0x80 [ 839.800311][ T10] fib6_nh_init+0x3d8/0x1580 [ 839.800311][ T10] ip6_route_info_create+0xf18/0x17d0 [ 839.800311][ T10] addrconf_f6i_alloc+0x265/0x560 [ 839.800311][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 839.800311][ T10] addrconf_join_anycast+0x1c0/0x220 [ 839.800311][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 839.800311][ T10] addrconf_dad_completed+0x12b/0xe20 [ 839.800311][ T10] addrconf_dad_begin+0x310/0x670 [ 839.800311][ T10] addrconf_dad_work+0x10b/0xab0 [ 839.800311][ T10] process_one_work+0x84d/0x18a0 [ 839.800311][ T10] worker_thread+0x587/0xd30 [ 839.800311][ T10] kthread+0x28a/0x350 [ 839.800311][ T10] ret_from_fork+0x31/0x70 [ 839.800311][ T10] ret_from_fork_asm+0x1a/0x30 [ 839.800311][ T10] [ 839.802210][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 839.802210][ T10] netdev_get_by_index+0x5e/0x80 [ 839.802210][ T10] fib6_nh_init+0x3d8/0x1580 [ 839.802210][ T10] ip6_route_info_create+0xf18/0x17d0 [ 839.802210][ T10] ip6_route_add+0x1c/0x140 [ 839.802210][ T10] addrconf_prefix_route+0x2a6/0x430 [ 839.802210][ T10] inet6_addr_add+0x4f8/0xa40 [ 839.802210][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 839.802210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.802210][ T10] netlink_rcv_skb+0x130/0x360 [ 839.802210][ T10] netlink_unicast+0x449/0x710 [ 839.802210][ T10] netlink_sendmsg+0x723/0xbe0 [ 839.802210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 839.802210][ T10] ___sys_sendmsg+0xee/0x170 [ 839.802210][ T10] __sys_sendmsg+0xcd/0x170 [ 839.802210][ T10] do_syscall_64+0xc6/0x1e0 [ 839.802210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 839.802210][ T10] [ 839.804382][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 839.804382][ T10] netdev_get_by_index+0x5e/0x80 [ 839.804382][ T10] fib6_nh_init+0x3d8/0x1580 [ 839.804382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 839.804382][ T10] addrconf_f6i_alloc+0x315/0x560 [ 839.804382][ T10] ipv6_add_addr+0x411/0x2000 [ 839.804382][ T10] inet6_addr_add+0x30e/0xa40 [ 839.804382][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 839.804382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.804382][ T10] netlink_rcv_skb+0x130/0x360 [ 839.804382][ T10] netlink_unicast+0x449/0x710 [ 839.804382][ T10] netlink_sendmsg+0x723/0xbe0 [ 839.804382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 839.804382][ T10] ___sys_sendmsg+0xee/0x170 [ 839.804382][ T10] __sys_sendmsg+0xcd/0x170 [ 839.804382][ T10] do_syscall_64+0xc6/0x1e0 [ 839.804382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 839.804382][ T10] [ 839.806614][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 839.806614][ T10] netdev_get_by_index+0x5e/0x80 [ 839.806614][ T10] fib6_nh_init+0x3d8/0x1580 [ 839.806614][ T10] ip6_route_info_create+0xf18/0x17d0 [ 839.806614][ T10] ip6_route_add+0x1c/0x140 [ 839.806614][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 839.806614][ T10] addrconf_add_dev+0xe2/0x170 [ 839.806614][ T10] inet6_addr_add+0x12f/0xa40 [ 839.806614][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 839.806614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.806614][ T10] netlink_rcv_skb+0x130/0x360 [ 839.806614][ T10] netlink_unicast+0x449/0x710 [ 839.806614][ T10] netlink_sendmsg+0x723/0xbe0 [ 839.806614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 839.806614][ T10] ___sys_sendmsg+0xee/0x170 [ 839.806614][ T10] __sys_sendmsg+0xcd/0x170 [ 839.806614][ T10] do_syscall_64+0xc6/0x1e0 [ 839.806614][ T10] [ 839.808867][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 839.808867][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 839.808867][ T10] ipv6_find_idev+0x102/0x170 [ 839.808867][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 839.808867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.808867][ T10] netlink_rcv_skb+0x130/0x360 [ 839.808867][ T10] netlink_unicast+0x449/0x710 [ 839.808867][ T10] netlink_sendmsg+0x723/0xbe0 [ 839.808867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 839.808867][ T10] ___sys_sendmsg+0xee/0x170 [ 839.808867][ T10] __sys_sendmsg+0xcd/0x170 [ 839.808867][ T10] do_syscall_64+0xc6/0x1e0 [ 839.808867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 839.808867][ T10] [ 839.810578][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 839.810578][ T10] neigh_parms_alloc+0x1e5/0x510 [ 839.810578][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 839.810578][ T10] ipv6_find_idev+0x102/0x170 [ 839.810578][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 839.810578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.810578][ T10] netlink_rcv_skb+0x130/0x360 [ 839.810578][ T10] netlink_unicast+0x449/0x710 [ 839.810578][ T10] netlink_sendmsg+0x723/0xbe0 [ 839.810578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 839.810578][ T10] ___sys_sendmsg+0xee/0x170 [ 839.810578][ T10] __sys_sendmsg+0xcd/0x170 [ 839.810578][ T10] do_syscall_64+0xc6/0x1e0 [ 839.810578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 839.810578][ T10] [ 839.812438][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 839.812683][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 839.812683][ T10] netdev_get_by_index+0x5e/0x80 [ 839.812683][ T10] fib6_nh_init+0x3d8/0x1580 [ 839.812683][ T10] ip6_route_info_create+0xf18/0x17d0 [ 839.812683][ T10] addrconf_f6i_alloc+0x265/0x560 [ 839.812683][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 839.812683][ T10] addrconf_join_anycast+0x1c0/0x220 [ 839.812683][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 839.812683][ T10] addrconf_dad_completed+0x12b/0xe20 [ 839.812683][ T10] addrconf_dad_begin+0x310/0x670 [ 839.812683][ T10] addrconf_dad_work+0x10b/0xab0 [ 839.812683][ T10] process_one_work+0x84d/0x18a0 [ 839.812683][ T10] worker_thread+0x587/0xd30 [ 839.812683][ T10] kthread+0x28a/0x350 [ 839.812683][ T10] ret_from_fork+0x31/0x70 [ 839.812683][ T10] ret_from_fork_asm+0x1a/0x30 [ 839.812683][ T10] [ 839.814824][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 839.814824][ T10] netdev_get_by_index+0x5e/0x80 [ 839.814824][ T10] fib6_nh_init+0x3d8/0x1580 [ 839.814824][ T10] ip6_route_info_create+0xf18/0x17d0 [ 839.814824][ T10] ip6_route_add+0x1c/0x140 [ 839.814824][ T10] addrconf_prefix_route+0x2a6/0x430 [ 839.814824][ T10] inet6_addr_add+0x4f8/0xa40 [ 839.814824][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 839.814824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.814824][ T10] netlink_rcv_skb+0x130/0x360 [ 839.814824][ T10] netlink_unicast+0x449/0x710 [ 839.814824][ T10] netlink_sendmsg+0x723/0xbe0 [ 839.814824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 839.814824][ T10] ___sys_sendmsg+0xee/0x170 [ 839.814824][ T10] __sys_sendmsg+0xcd/0x170 [ 839.814824][ T10] do_syscall_64+0xc6/0x1e0 [ 839.814824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 839.814824][ T10] [ 839.817048][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 839.817048][ T10] netdev_get_by_index+0x5e/0x80 [ 839.817048][ T10] fib6_nh_init+0x3d8/0x1580 [ 839.817048][ T10] ip6_route_info_create+0xf18/0x17d0 [ 839.817048][ T10] addrconf_f6i_alloc+0x315/0x560 [ 839.817048][ T10] ipv6_add_addr+0x411/0x2000 [ 839.817048][ T10] inet6_addr_add+0x30e/0xa40 [ 839.817048][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 839.817048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.817048][ T10] netlink_rcv_skb+0x130/0x360 [ 839.817048][ T10] netlink_unicast+0x449/0x710 [ 839.817048][ T10] netlink_sendmsg+0x723/0xbe0 [ 839.817048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 839.817048][ T10] ___sys_sendmsg+0xee/0x170 [ 839.817048][ T10] __sys_sendmsg+0xcd/0x170 [ 839.817048][ T10] do_syscall_64+0xc6/0x1e0 [ 839.817048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 839.817048][ T10] [ 839.819269][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 839.819269][ T10] netdev_get_by_index+0x5e/0x80 [ 839.819269][ T10] fib6_nh_init+0x3d8/0x1580 [ 839.819269][ T10] ip6_route_info_create+0xf18/0x17d0 [ 839.819269][ T10] ip6_route_add+0x1c/0x140 [ 839.819269][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 839.819269][ T10] addrconf_add_dev+0xe2/0x170 [ 839.819269][ T10] inet6_addr_add+0x12f/0xa40 [ 839.819269][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 839.819269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.819269][ T10] netlink_rcv_skb+0x130/0x360 [ 839.819269][ T10] netlink_unicast+0x449/0x710 [ 839.819269][ T10] netlink_sendmsg+0x723/0xbe0 [ 839.819269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 839.819269][ T10] ___sys_sendmsg+0xee/0x170 [ 839.819269][ T10] __sys_sendmsg+0xcd/0x170 [ 839.819269][ T10] do_syscall_64+0xc6/0x1e0 [ 839.819269][ T10] [ 839.821460][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 839.821460][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 839.821460][ T10] ipv6_find_idev+0x102/0x170 [ 839.821460][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 839.821460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.821460][ T10] netlink_rcv_skb+0x130/0x360 [ 839.821460][ T10] netlink_unicast+0x449/0x710 [ 839.821460][ T10] netlink_sendmsg+0x723/0xbe0 [ 839.821460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 839.821460][ T10] ___sys_sendmsg+0xee/0x170 [ 839.821460][ T10] __sys_sendmsg+0xcd/0x170 [ 839.821460][ T10] do_syscall_64+0xc6/0x1e0 [ 839.821460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 839.821460][ T10] [ 839.823182][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 839.823182][ T10] neigh_parms_alloc+0x1e5/0x510 [ 839.823182][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 839.823182][ T10] ipv6_find_idev+0x102/0x170 [ 839.823182][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 839.823182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.823182][ T10] netlink_rcv_skb+0x130/0x360 [ 839.823182][ T10] netlink_unicast+0x449/0x710 [ 839.823182][ T10] netlink_sendmsg+0x723/0xbe0 [ 839.823182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 839.823182][ T10] ___sys_sendmsg+0xee/0x170 [ 839.823182][ T10] __sys_sendmsg+0xcd/0x170 [ 839.823182][ T10] do_syscall_64+0xc6/0x1e0 [ 839.823182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 839.823182][ T10] [ 840.346078][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 840.346523][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 840.346523][ T1167] dst_init+0x84/0x4a0 [ 840.346523][ T1167] dst_alloc+0x97/0x150 [ 840.346523][ T1167] ip6_dst_alloc+0x23/0x90 [ 840.346523][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 840.346523][ T1167] ip6_pol_route+0x56f/0x840 [ 840.346523][ T1167] fib6_rule_lookup+0x334/0x630 [ 840.346523][ T1167] ip6_route_output_flags+0x259/0x480 [ 840.346523][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 840.346523][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 840.346523][ T1167] netlink_rcv_skb+0x130/0x360 [ 840.346523][ T1167] netlink_unicast+0x449/0x710 [ 840.346523][ T1167] netlink_sendmsg+0x723/0xbe0 [ 840.346523][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 840.346523][ T1167] ___sys_sendmsg+0xee/0x170 [ 840.346523][ T1167] __sys_sendmsg+0xcd/0x170 [ 840.346523][ T1167] do_syscall_64+0xc6/0x1e0 [ 840.346523][ T1167] [ 840.348716][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 840.348716][ T1167] netdev_get_by_index+0x5e/0x80 [ 840.348716][ T1167] fib6_nh_init+0x3d8/0x1580 [ 840.348716][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 840.348716][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 840.348716][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 840.348716][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 840.348716][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 840.348716][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 840.348716][ T1167] addrconf_dad_begin+0x310/0x670 [ 840.348716][ T1167] addrconf_dad_work+0x10b/0xab0 [ 840.348716][ T1167] process_one_work+0x84d/0x18a0 [ 840.348716][ T1167] worker_thread+0x587/0xd30 [ 840.348716][ T1167] kthread+0x28a/0x350 [ 840.348716][ T1167] ret_from_fork+0x31/0x70 [ 840.348716][ T1167] ret_from_fork_asm+0x1a/0x30 [ 840.348716][ T1167] [ 840.350849][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 840.350849][ T1167] netdev_get_by_index+0x5e/0x80 [ 840.350849][ T1167] fib6_nh_init+0x3d8/0x1580 [ 840.350849][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 840.350849][ T1167] ip6_route_add+0x1c/0x140 [ 840.350849][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 840.350849][ T1167] inet6_addr_add+0x4f8/0xa40 [ 840.350849][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 840.350849][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.350849][ T1167] netlink_rcv_skb+0x130/0x360 [ 840.350849][ T1167] netlink_unicast+0x449/0x710 [ 840.350849][ T1167] netlink_sendmsg+0x723/0xbe0 [ 840.350849][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 840.350849][ T1167] ___sys_sendmsg+0xee/0x170 [ 840.350849][ T1167] __sys_sendmsg+0xcd/0x170 [ 840.350849][ T1167] do_syscall_64+0xc6/0x1e0 [ 840.350849][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.350849][ T1167] [ 840.353082][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 840.353082][ T1167] netdev_get_by_index+0x5e/0x80 [ 840.353082][ T1167] fib6_nh_init+0x3d8/0x1580 [ 840.353082][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 840.353082][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 840.353082][ T1167] ipv6_add_addr+0x411/0x2000 [ 840.353082][ T1167] inet6_addr_add+0x30e/0xa40 [ 840.353082][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 840.353082][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.353082][ T1167] netlink_rcv_skb+0x130/0x360 [ 840.353082][ T1167] netlink_unicast+0x449/0x710 [ 840.353082][ T1167] netlink_sendmsg+0x723/0xbe0 [ 840.353082][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 840.353082][ T1167] ___sys_sendmsg+0xee/0x170 [ 840.353082][ T1167] __sys_sendmsg+0xcd/0x170 [ 840.353082][ T1167] do_syscall_64+0xc6/0x1e0 [ 840.353082][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.353082][ T1167] [ 840.355334][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 840.355334][ T1167] netdev_get_by_index+0x5e/0x80 [ 840.355334][ T1167] fib6_nh_init+0x3d8/0x1580 [ 840.355334][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 840.355334][ T1167] ip6_route_add+0x1c/0x140 [ 840.355334][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 840.355334][ T1167] addrconf_add_dev+0xe2/0x170 [ 840.355334][ T1167] inet6_addr_add+0x12f/0xa40 [ 840.355334][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 840.355334][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.355334][ T1167] netlink_rcv_skb+0x130/0x360 [ 840.355334][ T1167] netlink_unicast+0x449/0x710 [ 840.355334][ T1167] netlink_sendmsg+0x723/0xbe0 [ 840.355334][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 840.355334][ T1167] ___sys_sendmsg+0xee/0x170 [ 840.355334][ T1167] __sys_sendmsg+0xcd/0x170 [ 840.355334][ T1167] do_syscall_64+0xc6/0x1e0 [ 840.355334][ T1167] [ 840.357531][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 840.357531][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 840.357531][ T1167] ipv6_find_idev+0x102/0x170 [ 840.357531][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 840.357531][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.357531][ T1167] netlink_rcv_skb+0x130/0x360 [ 840.357531][ T1167] netlink_unicast+0x449/0x710 [ 840.357531][ T1167] netlink_sendmsg+0x723/0xbe0 [ 840.357531][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 840.357531][ T1167] ___sys_sendmsg+0xee/0x170 [ 840.357531][ T1167] __sys_sendmsg+0xcd/0x170 [ 840.357531][ T1167] do_syscall_64+0xc6/0x1e0 [ 840.357531][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.357531][ T1167] [ 840.359250][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 840.359250][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 840.359250][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 840.359250][ T1167] ipv6_find_idev+0x102/0x170 [ 840.359250][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 840.359250][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.359250][ T1167] netlink_rcv_skb+0x130/0x360 [ 840.359250][ T1167] netlink_unicast+0x449/0x710 [ 840.359250][ T1167] netlink_sendmsg+0x723/0xbe0 [ 840.359250][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 840.359250][ T1167] ___sys_sendmsg+0xee/0x170 [ 840.359250][ T1167] __sys_sendmsg+0xcd/0x170 [ 840.359250][ T1167] do_syscall_64+0xc6/0x1e0 [ 840.359250][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.359250][ T1167] [ 849.945114][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 849.945690][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 849.945690][ T10] netdev_get_by_index+0x5e/0x80 [ 849.945690][ T10] fib6_nh_init+0x3d8/0x1580 [ 849.945690][ T10] ip6_route_info_create+0xf18/0x17d0 [ 849.945690][ T10] addrconf_f6i_alloc+0x265/0x560 [ 849.945690][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 849.945690][ T10] addrconf_join_anycast+0x1c0/0x220 [ 849.945690][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 849.945690][ T10] addrconf_dad_completed+0x12b/0xe20 [ 849.945690][ T10] addrconf_dad_begin+0x310/0x670 [ 849.945690][ T10] addrconf_dad_work+0x10b/0xab0 [ 849.945690][ T10] process_one_work+0x84d/0x18a0 [ 849.945690][ T10] worker_thread+0x587/0xd30 [ 849.945690][ T10] kthread+0x28a/0x350 [ 849.945690][ T10] ret_from_fork+0x31/0x70 [ 849.945690][ T10] ret_from_fork_asm+0x1a/0x30 [ 849.945690][ T10] [ 849.948773][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 849.948773][ T10] netdev_get_by_index+0x5e/0x80 [ 849.948773][ T10] fib6_nh_init+0x3d8/0x1580 [ 849.948773][ T10] ip6_route_info_create+0xf18/0x17d0 [ 849.948773][ T10] ip6_route_add+0x1c/0x140 [ 849.948773][ T10] addrconf_prefix_route+0x2a6/0x430 [ 849.948773][ T10] inet6_addr_add+0x4f8/0xa40 [ 849.948773][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 849.948773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 849.948773][ T10] netlink_rcv_skb+0x130/0x360 [ 849.948773][ T10] netlink_unicast+0x449/0x710 [ 849.948773][ T10] netlink_sendmsg+0x723/0xbe0 [ 849.948773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 849.948773][ T10] ___sys_sendmsg+0xee/0x170 [ 849.948773][ T10] __sys_sendmsg+0xcd/0x170 [ 849.948773][ T10] do_syscall_64+0xc6/0x1e0 [ 849.948773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 849.948773][ T10] [ 849.951879][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 849.951879][ T10] netdev_get_by_index+0x5e/0x80 [ 849.951879][ T10] fib6_nh_init+0x3d8/0x1580 [ 849.951879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 849.951879][ T10] addrconf_f6i_alloc+0x315/0x560 [ 849.951879][ T10] ipv6_add_addr+0x411/0x2000 [ 849.951879][ T10] inet6_addr_add+0x30e/0xa40 [ 849.951879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 849.951879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 849.951879][ T10] netlink_rcv_skb+0x130/0x360 [ 849.951879][ T10] netlink_unicast+0x449/0x710 [ 849.951879][ T10] netlink_sendmsg+0x723/0xbe0 [ 849.951879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 849.951879][ T10] ___sys_sendmsg+0xee/0x170 [ 849.951879][ T10] __sys_sendmsg+0xcd/0x170 [ 849.951879][ T10] do_syscall_64+0xc6/0x1e0 [ 849.951879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 849.951879][ T10] [ 849.955008][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 849.955008][ T10] netdev_get_by_index+0x5e/0x80 [ 849.955008][ T10] fib6_nh_init+0x3d8/0x1580 [ 849.955008][ T10] ip6_route_info_create+0xf18/0x17d0 [ 849.955008][ T10] ip6_route_add+0x1c/0x140 [ 849.955008][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 849.955008][ T10] addrconf_add_dev+0xe2/0x170 [ 849.955008][ T10] inet6_addr_add+0x12f/0xa40 [ 849.955008][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 849.955008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 849.955008][ T10] netlink_rcv_skb+0x130/0x360 [ 849.955008][ T10] netlink_unicast+0x449/0x710 [ 849.955008][ T10] netlink_sendmsg+0x723/0xbe0 [ 849.955008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 849.955008][ T10] ___sys_sendmsg+0xee/0x170 [ 849.955008][ T10] __sys_sendmsg+0xcd/0x170 [ 849.955008][ T10] do_syscall_64+0xc6/0x1e0 [ 849.955008][ T10] [ 849.958079][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 849.958079][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 849.958079][ T10] ipv6_find_idev+0x102/0x170 [ 849.958079][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 849.958079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 849.958079][ T10] netlink_rcv_skb+0x130/0x360 [ 849.958079][ T10] netlink_unicast+0x449/0x710 [ 849.958079][ T10] netlink_sendmsg+0x723/0xbe0 [ 849.958079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 849.958079][ T10] ___sys_sendmsg+0xee/0x170 [ 849.958079][ T10] __sys_sendmsg+0xcd/0x170 [ 849.958079][ T10] do_syscall_64+0xc6/0x1e0 [ 849.958079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 849.958079][ T10] [ 849.960493][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 849.960493][ T10] neigh_parms_alloc+0x1e5/0x510 [ 849.960493][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 849.960493][ T10] ipv6_find_idev+0x102/0x170 [ 849.960493][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 849.960493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 849.960493][ T10] netlink_rcv_skb+0x130/0x360 [ 849.960493][ T10] netlink_unicast+0x449/0x710 [ 849.960493][ T10] netlink_sendmsg+0x723/0xbe0 [ 849.960493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 849.960493][ T10] ___sys_sendmsg+0xee/0x170 [ 849.960493][ T10] __sys_sendmsg+0xcd/0x170 [ 849.960493][ T10] do_syscall_64+0xc6/0x1e0 [ 849.960493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 849.960493][ T10] [ 849.963180][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 849.963551][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 849.963551][ T10] netdev_get_by_index+0x5e/0x80 [ 849.963551][ T10] fib6_nh_init+0x3d8/0x1580 [ 849.963551][ T10] ip6_route_info_create+0xf18/0x17d0 [ 849.963551][ T10] addrconf_f6i_alloc+0x265/0x560 [ 849.963551][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 849.963551][ T10] addrconf_join_anycast+0x1c0/0x220 [ 849.963551][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 849.963551][ T10] addrconf_dad_completed+0x12b/0xe20 [ 849.963551][ T10] addrconf_dad_begin+0x310/0x670 [ 849.963551][ T10] addrconf_dad_work+0x10b/0xab0 [ 849.963551][ T10] process_one_work+0x84d/0x18a0 [ 849.963551][ T10] worker_thread+0x587/0xd30 [ 849.963551][ T10] kthread+0x28a/0x350 [ 849.963551][ T10] ret_from_fork+0x31/0x70 [ 849.963551][ T10] ret_from_fork_asm+0x1a/0x30 [ 849.963551][ T10] [ 849.966417][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 849.966417][ T10] netdev_get_by_index+0x5e/0x80 [ 849.966417][ T10] fib6_nh_init+0x3d8/0x1580 [ 849.966417][ T10] ip6_route_info_create+0xf18/0x17d0 [ 849.966417][ T10] ip6_route_add+0x1c/0x140 [ 849.966417][ T10] addrconf_prefix_route+0x2a6/0x430 [ 849.966417][ T10] inet6_addr_add+0x4f8/0xa40 [ 849.966417][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 849.966417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 849.966417][ T10] netlink_rcv_skb+0x130/0x360 [ 849.966417][ T10] netlink_unicast+0x449/0x710 [ 849.966417][ T10] netlink_sendmsg+0x723/0xbe0 [ 849.966417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 849.966417][ T10] ___sys_sendmsg+0xee/0x170 [ 849.966417][ T10] __sys_sendmsg+0xcd/0x170 [ 849.966417][ T10] do_syscall_64+0xc6/0x1e0 [ 849.966417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 849.966417][ T10] [ 849.969536][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 849.969536][ T10] netdev_get_by_index+0x5e/0x80 [ 849.969536][ T10] fib6_nh_init+0x3d8/0x1580 [ 849.969536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 849.969536][ T10] addrconf_f6i_alloc+0x315/0x560 [ 849.969536][ T10] ipv6_add_addr+0x411/0x2000 [ 849.969536][ T10] inet6_addr_add+0x30e/0xa40 [ 849.969536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 849.969536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 849.969536][ T10] netlink_rcv_skb+0x130/0x360 [ 849.969536][ T10] netlink_unicast+0x449/0x710 [ 849.969536][ T10] netlink_sendmsg+0x723/0xbe0 [ 849.969536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 849.969536][ T10] ___sys_sendmsg+0xee/0x170 [ 849.969536][ T10] __sys_sendmsg+0xcd/0x170 [ 849.969536][ T10] do_syscall_64+0xc6/0x1e0 [ 849.969536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 849.969536][ T10] [ 849.972053][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 849.972053][ T10] netdev_get_by_index+0x5e/0x80 [ 849.972053][ T10] fib6_nh_init+0x3d8/0x1580 [ 849.972053][ T10] ip6_route_info_create+0xf18/0x17d0 [ 849.972053][ T10] ip6_route_add+0x1c/0x140 [ 849.972053][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 849.972053][ T10] addrconf_add_dev+0xe2/0x170 [ 849.972053][ T10] inet6_addr_add+0x12f/0xa40 [ 849.972053][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 849.972053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 849.972053][ T10] netlink_rcv_skb+0x130/0x360 [ 849.972053][ T10] netlink_unicast+0x449/0x710 [ 849.972053][ T10] netlink_sendmsg+0x723/0xbe0 [ 849.972053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 849.972053][ T10] ___sys_sendmsg+0xee/0x170 [ 849.972053][ T10] __sys_sendmsg+0xcd/0x170 [ 849.972053][ T10] do_syscall_64+0xc6/0x1e0 [ 849.972053][ T10] [ 849.974356][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 849.974356][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 849.974356][ T10] ipv6_find_idev+0x102/0x170 [ 849.974356][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 849.974356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 849.974356][ T10] netlink_rcv_skb+0x130/0x360 [ 849.974356][ T10] netlink_unicast+0x449/0x710 [ 849.974356][ T10] netlink_sendmsg+0x723/0xbe0 [ 849.974356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 849.974356][ T10] ___sys_sendmsg+0xee/0x170 [ 849.974356][ T10] __sys_sendmsg+0xcd/0x170 [ 849.974356][ T10] do_syscall_64+0xc6/0x1e0 [ 849.974356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 849.974356][ T10] [ 849.975919][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 849.975919][ T10] neigh_parms_alloc+0x1e5/0x510 [ 849.975919][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 849.975919][ T10] ipv6_find_idev+0x102/0x170 [ 849.975919][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 849.975919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 849.975919][ T10] netlink_rcv_skb+0x130/0x360 [ 849.975919][ T10] netlink_unicast+0x449/0x710 [ 849.975919][ T10] netlink_sendmsg+0x723/0xbe0 [ 849.975919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 849.975919][ T10] ___sys_sendmsg+0xee/0x170 [ 849.975919][ T10] __sys_sendmsg+0xcd/0x170 [ 849.975919][ T10] do_syscall_64+0xc6/0x1e0 [ 849.975919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 849.975919][ T10] [ 849.977741][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 849.978001][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 849.978001][ T10] netdev_get_by_index+0x5e/0x80 [ 849.978001][ T10] fib6_nh_init+0x3d8/0x1580 [ 849.978001][ T10] ip6_route_info_create+0xf18/0x17d0 [ 849.978001][ T10] addrconf_f6i_alloc+0x265/0x560 [ 849.978001][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 849.978001][ T10] addrconf_join_anycast+0x1c0/0x220 [ 849.978001][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 849.978001][ T10] addrconf_dad_completed+0x12b/0xe20 [ 849.978001][ T10] addrconf_dad_begin+0x310/0x670 [ 849.978001][ T10] addrconf_dad_work+0x10b/0xab0 [ 849.978001][ T10] process_one_work+0x84d/0x18a0 [ 849.978001][ T10] worker_thread+0x587/0xd30 [ 849.978001][ T10] kthread+0x28a/0x350 [ 849.978001][ T10] ret_from_fork+0x31/0x70 [ 849.978001][ T10] ret_from_fork_asm+0x1a/0x30 [ 849.978001][ T10] [ 849.979946][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 849.979946][ T10] netdev_get_by_index+0x5e/0x80 [ 849.979946][ T10] fib6_nh_init+0x3d8/0x1580 [ 849.979946][ T10] ip6_route_info_create+0xf18/0x17d0 [ 849.979946][ T10] ip6_route_add+0x1c/0x140 [ 849.979946][ T10] addrconf_prefix_route+0x2a6/0x430 [ 849.979946][ T10] inet6_addr_add+0x4f8/0xa40 [ 849.979946][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 849.979946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 849.979946][ T10] netlink_rcv_skb+0x130/0x360 [ 849.979946][ T10] netlink_unicast+0x449/0x710 [ 849.979946][ T10] netlink_sendmsg+0x723/0xbe0 [ 849.979946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 849.979946][ T10] ___sys_sendmsg+0xee/0x170 [ 849.979946][ T10] __sys_sendmsg+0xcd/0x170 [ 849.979946][ T10] do_syscall_64+0xc6/0x1e0 [ 849.979946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 849.979946][ T10] [ 849.982167][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 849.982167][ T10] netdev_get_by_index+0x5e/0x80 [ 849.982167][ T10] fib6_nh_init+0x3d8/0x1580 [ 849.982167][ T10] ip6_route_info_create+0xf18/0x17d0 [ 849.982167][ T10] addrconf_f6i_alloc+0x315/0x560 [ 849.982167][ T10] ipv6_add_addr+0x411/0x2000 [ 849.982167][ T10] inet6_addr_add+0x30e/0xa40 [ 849.982167][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 849.982167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 849.982167][ T10] netlink_rcv_skb+0x130/0x360 [ 849.982167][ T10] netlink_unicast+0x449/0x710 [ 849.982167][ T10] netlink_sendmsg+0x723/0xbe0 [ 849.982167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 849.982167][ T10] ___sys_sendmsg+0xee/0x170 [ 849.982167][ T10] __sys_sendmsg+0xcd/0x170 [ 849.982167][ T10] do_syscall_64+0xc6/0x1e0 [ 849.982167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 849.982167][ T10] [ 849.984587][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 849.984587][ T10] netdev_get_by_index+0x5e/0x80 [ 849.984587][ T10] fib6_nh_init+0x3d8/0x1580 [ 849.984587][ T10] ip6_route_info_create+0xf18/0x17d0 [ 849.984587][ T10] ip6_route_add+0x1c/0x140 [ 849.984587][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 849.984587][ T10] addrconf_add_dev+0xe2/0x170 [ 849.984587][ T10] inet6_addr_add+0x12f/0xa40 [ 849.984587][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 849.984587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 849.984587][ T10] netlink_rcv_skb+0x130/0x360 [ 849.984587][ T10] netlink_unicast+0x449/0x710 [ 849.984587][ T10] netlink_sendmsg+0x723/0xbe0 [ 849.984587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 849.984587][ T10] ___sys_sendmsg+0xee/0x170 [ 849.984587][ T10] __sys_sendmsg+0xcd/0x170 [ 849.984587][ T10] do_syscall_64+0xc6/0x1e0 [ 849.984587][ T10] [ 849.986831][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 849.986831][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 849.986831][ T10] ipv6_find_idev+0x102/0x170 [ 849.986831][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 849.986831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 849.986831][ T10] netlink_rcv_skb+0x130/0x360 [ 849.986831][ T10] netlink_unicast+0x449/0x710 [ 849.986831][ T10] netlink_sendmsg+0x723/0xbe0 [ 849.986831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 849.986831][ T10] ___sys_sendmsg+0xee/0x170 [ 849.986831][ T10] __sys_sendmsg+0xcd/0x170 [ 849.986831][ T10] do_syscall_64+0xc6/0x1e0 [ 849.986831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 849.986831][ T10] [ 849.988638][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 849.988638][ T10] neigh_parms_alloc+0x1e5/0x510 [ 849.988638][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 849.988638][ T10] ipv6_find_idev+0x102/0x170 [ 849.988638][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 849.988638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 849.988638][ T10] netlink_rcv_skb+0x130/0x360 [ 849.988638][ T10] netlink_unicast+0x449/0x710 [ 849.988638][ T10] netlink_sendmsg+0x723/0xbe0 [ 849.988638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 849.988638][ T10] ___sys_sendmsg+0xee/0x170 [ 849.988638][ T10] __sys_sendmsg+0xcd/0x170 [ 849.988638][ T10] do_syscall_64+0xc6/0x1e0 [ 849.988638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 849.988638][ T10] [ 849.990549][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 849.990865][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 849.990865][ T10] netdev_get_by_index+0x5e/0x80 [ 849.990865][ T10] fib6_nh_init+0x3d8/0x1580 [ 849.990865][ T10] ip6_route_info_create+0xf18/0x17d0 [ 849.990865][ T10] addrconf_f6i_alloc+0x265/0x560 [ 849.990865][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 849.990865][ T10] addrconf_join_anycast+0x1c0/0x220 [ 849.990865][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 849.990865][ T10] addrconf_dad_completed+0x12b/0xe20 [ 849.990865][ T10] addrconf_dad_begin+0x310/0x670 [ 849.990865][ T10] addrconf_dad_work+0x10b/0xab0 [ 849.990865][ T10] process_one_work+0x84d/0x18a0 [ 849.990865][ T10] worker_thread+0x587/0xd30 [ 849.990865][ T10] kthread+0x28a/0x350 [ 849.990865][ T10] ret_from_fork+0x31/0x70 [ 849.990865][ T10] ret_from_fork_asm+0x1a/0x30 [ 849.990865][ T10] [ 849.992910][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 849.992910][ T10] netdev_get_by_index+0x5e/0x80 [ 849.992910][ T10] fib6_nh_init+0x3d8/0x1580 [ 849.992910][ T10] ip6_route_info_create+0xf18/0x17d0 [ 849.992910][ T10] ip6_route_add+0x1c/0x140 [ 849.992910][ T10] addrconf_prefix_route+0x2a6/0x430 [ 849.992910][ T10] inet6_addr_add+0x4f8/0xa40 [ 849.992910][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 849.992910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 849.992910][ T10] netlink_rcv_skb+0x130/0x360 [ 849.992910][ T10] netlink_unicast+0x449/0x710 [ 849.992910][ T10] netlink_sendmsg+0x723/0xbe0 [ 849.992910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 849.992910][ T10] ___sys_sendmsg+0xee/0x170 [ 849.992910][ T10] __sys_sendmsg+0xcd/0x170 [ 849.992910][ T10] do_syscall_64+0xc6/0x1e0 [ 849.992910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 849.992910][ T10] [ 849.995248][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 849.995248][ T10] netdev_get_by_index+0x5e/0x80 [ 849.995248][ T10] fib6_nh_init+0x3d8/0x1580 [ 849.995248][ T10] ip6_route_info_create+0xf18/0x17d0 [ 849.995248][ T10] addrconf_f6i_alloc+0x315/0x560 [ 849.995248][ T10] ipv6_add_addr+0x411/0x2000 [ 849.995248][ T10] inet6_addr_add+0x30e/0xa40 [ 849.995248][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 849.995248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 849.995248][ T10] netlink_rcv_skb+0x130/0x360 [ 849.995248][ T10] netlink_unicast+0x449/0x710 [ 849.995248][ T10] netlink_sendmsg+0x723/0xbe0 [ 849.995248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 849.995248][ T10] ___sys_sendmsg+0xee/0x170 [ 849.995248][ T10] __sys_sendmsg+0xcd/0x170 [ 849.995248][ T10] do_syscall_64+0xc6/0x1e0 [ 849.995248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 849.995248][ T10] [ 849.998069][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 849.998069][ T10] netdev_get_by_index+0x5e/0x80 [ 849.998069][ T10] fib6_nh_init+0x3d8/0x1580 [ 849.998069][ T10] ip6_route_info_create+0xf18/0x17d0 [ 849.998069][ T10] ip6_route_add+0x1c/0x140 [ 849.998069][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 849.998069][ T10] addrconf_add_dev+0xe2/0x170 [ 849.998069][ T10] inet6_addr_add+0x12f/0xa40 [ 849.998069][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 849.998069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 849.998069][ T10] netlink_rcv_skb+0x130/0x360 [ 849.998069][ T10] netlink_unicast+0x449/0x710 [ 849.998069][ T10] netlink_sendmsg+0x723/0xbe0 [ 849.998069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 849.998069][ T10] ___sys_sendmsg+0xee/0x170 [ 849.998069][ T10] __sys_sendmsg+0xcd/0x170 [ 849.998069][ T10] do_syscall_64+0xc6/0x1e0 [ 849.998069][ T10] [ 850.000311][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 850.000311][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 850.000311][ T10] ipv6_find_idev+0x102/0x170 [ 850.000311][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 850.000311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.000311][ T10] netlink_rcv_skb+0x130/0x360 [ 850.000311][ T10] netlink_unicast+0x449/0x710 [ 850.000311][ T10] netlink_sendmsg+0x723/0xbe0 [ 850.000311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 850.000311][ T10] ___sys_sendmsg+0xee/0x170 [ 850.000311][ T10] __sys_sendmsg+0xcd/0x170 [ 850.000311][ T10] do_syscall_64+0xc6/0x1e0 [ 850.000311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.000311][ T10] [ 850.002040][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 850.002040][ T10] neigh_parms_alloc+0x1e5/0x510 [ 850.002040][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 850.002040][ T10] ipv6_find_idev+0x102/0x170 [ 850.002040][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 850.002040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.002040][ T10] netlink_rcv_skb+0x130/0x360 [ 850.002040][ T10] netlink_unicast+0x449/0x710 [ 850.002040][ T10] netlink_sendmsg+0x723/0xbe0 [ 850.002040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 850.002040][ T10] ___sys_sendmsg+0xee/0x170 [ 850.002040][ T10] __sys_sendmsg+0xcd/0x170 [ 850.002040][ T10] do_syscall_64+0xc6/0x1e0 [ 850.002040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.002040][ T10] [ 850.457131][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 850.457593][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 850.457593][ T1167] dst_init+0x84/0x4a0 [ 850.457593][ T1167] dst_alloc+0x97/0x150 [ 850.457593][ T1167] ip6_dst_alloc+0x23/0x90 [ 850.457593][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 850.457593][ T1167] ip6_pol_route+0x56f/0x840 [ 850.457593][ T1167] fib6_rule_lookup+0x334/0x630 [ 850.457593][ T1167] ip6_route_output_flags+0x259/0x480 [ 850.457593][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 850.457593][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 850.457593][ T1167] netlink_rcv_skb+0x130/0x360 [ 850.457593][ T1167] netlink_unicast+0x449/0x710 [ 850.457593][ T1167] netlink_sendmsg+0x723/0xbe0 [ 850.457593][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 850.457593][ T1167] ___sys_sendmsg+0xee/0x170 [ 850.457593][ T1167] __sys_sendmsg+0xcd/0x170 [ 850.457593][ T1167] do_syscall_64+0xc6/0x1e0 [ 850.457593][ T1167] [ 850.459823][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 850.459823][ T1167] netdev_get_by_index+0x5e/0x80 [ 850.459823][ T1167] fib6_nh_init+0x3d8/0x1580 [ 850.459823][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 850.459823][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 850.459823][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 850.459823][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 850.459823][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 850.459823][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 850.459823][ T1167] addrconf_dad_begin+0x310/0x670 [ 850.459823][ T1167] addrconf_dad_work+0x10b/0xab0 [ 850.459823][ T1167] process_one_work+0x84d/0x18a0 [ 850.459823][ T1167] worker_thread+0x587/0xd30 [ 850.459823][ T1167] kthread+0x28a/0x350 [ 850.459823][ T1167] ret_from_fork+0x31/0x70 [ 850.459823][ T1167] ret_from_fork_asm+0x1a/0x30 [ 850.459823][ T1167] [ 850.462002][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 850.462002][ T1167] netdev_get_by_index+0x5e/0x80 [ 850.462002][ T1167] fib6_nh_init+0x3d8/0x1580 [ 850.462002][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 850.462002][ T1167] ip6_route_add+0x1c/0x140 [ 850.462002][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 850.462002][ T1167] inet6_addr_add+0x4f8/0xa40 [ 850.462002][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 850.462002][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.462002][ T1167] netlink_rcv_skb+0x130/0x360 [ 850.462002][ T1167] netlink_unicast+0x449/0x710 [ 850.462002][ T1167] netlink_sendmsg+0x723/0xbe0 [ 850.462002][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 850.462002][ T1167] ___sys_sendmsg+0xee/0x170 [ 850.462002][ T1167] __sys_sendmsg+0xcd/0x170 [ 850.462002][ T1167] do_syscall_64+0xc6/0x1e0 [ 850.462002][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.462002][ T1167] [ 850.464292][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 850.464292][ T1167] netdev_get_by_index+0x5e/0x80 [ 850.464292][ T1167] fib6_nh_init+0x3d8/0x1580 [ 850.464292][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 850.464292][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 850.464292][ T1167] ipv6_add_addr+0x411/0x2000 [ 850.464292][ T1167] inet6_addr_add+0x30e/0xa40 [ 850.464292][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 850.464292][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.464292][ T1167] netlink_rcv_skb+0x130/0x360 [ 850.464292][ T1167] netlink_unicast+0x449/0x710 [ 850.464292][ T1167] netlink_sendmsg+0x723/0xbe0 [ 850.464292][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 850.464292][ T1167] ___sys_sendmsg+0xee/0x170 [ 850.464292][ T1167] __sys_sendmsg+0xcd/0x170 [ 850.464292][ T1167] do_syscall_64+0xc6/0x1e0 [ 850.464292][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.464292][ T1167] [ 850.466602][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 850.466602][ T1167] netdev_get_by_index+0x5e/0x80 [ 850.466602][ T1167] fib6_nh_init+0x3d8/0x1580 [ 850.466602][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 850.466602][ T1167] ip6_route_add+0x1c/0x140 [ 850.466602][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 850.466602][ T1167] addrconf_add_dev+0xe2/0x170 [ 850.466602][ T1167] inet6_addr_add+0x12f/0xa40 [ 850.466602][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 850.466602][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.466602][ T1167] netlink_rcv_skb+0x130/0x360 [ 850.466602][ T1167] netlink_unicast+0x449/0x710 [ 850.466602][ T1167] netlink_sendmsg+0x723/0xbe0 [ 850.466602][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 850.466602][ T1167] ___sys_sendmsg+0xee/0x170 [ 850.466602][ T1167] __sys_sendmsg+0xcd/0x170 [ 850.466602][ T1167] do_syscall_64+0xc6/0x1e0 [ 850.466602][ T1167] [ 850.468849][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 850.468849][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 850.468849][ T1167] ipv6_find_idev+0x102/0x170 [ 850.468849][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 850.468849][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.468849][ T1167] netlink_rcv_skb+0x130/0x360 [ 850.468849][ T1167] netlink_unicast+0x449/0x710 [ 850.468849][ T1167] netlink_sendmsg+0x723/0xbe0 [ 850.468849][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 850.468849][ T1167] ___sys_sendmsg+0xee/0x170 [ 850.468849][ T1167] __sys_sendmsg+0xcd/0x170 [ 850.468849][ T1167] do_syscall_64+0xc6/0x1e0 [ 850.468849][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.468849][ T1167] [ 850.470609][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 850.470609][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 850.470609][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 850.470609][ T1167] ipv6_find_idev+0x102/0x170 [ 850.470609][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 850.470609][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.470609][ T1167] netlink_rcv_skb+0x130/0x360 [ 850.470609][ T1167] netlink_unicast+0x449/0x710 [ 850.470609][ T1167] netlink_sendmsg+0x723/0xbe0 [ 850.470609][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 850.470609][ T1167] ___sys_sendmsg+0xee/0x170 [ 850.470609][ T1167] __sys_sendmsg+0xcd/0x170 [ 850.470609][ T1167] do_syscall_64+0xc6/0x1e0 [ 850.470609][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.470609][ T1167] [ 860.249112][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 860.249508][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 860.249508][ T10] netdev_get_by_index+0x5e/0x80 [ 860.249508][ T10] fib6_nh_init+0x3d8/0x1580 [ 860.249508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 860.249508][ T10] addrconf_f6i_alloc+0x265/0x560 [ 860.249508][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 860.249508][ T10] addrconf_join_anycast+0x1c0/0x220 [ 860.249508][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 860.249508][ T10] addrconf_dad_completed+0x12b/0xe20 [ 860.249508][ T10] addrconf_dad_begin+0x310/0x670 [ 860.249508][ T10] addrconf_dad_work+0x10b/0xab0 [ 860.249508][ T10] process_one_work+0x84d/0x18a0 [ 860.249508][ T10] worker_thread+0x587/0xd30 [ 860.249508][ T10] kthread+0x28a/0x350 [ 860.249508][ T10] ret_from_fork+0x31/0x70 [ 860.249508][ T10] ret_from_fork_asm+0x1a/0x30 [ 860.249508][ T10] [ 860.251491][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 860.251491][ T10] netdev_get_by_index+0x5e/0x80 [ 860.251491][ T10] fib6_nh_init+0x3d8/0x1580 [ 860.251491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 860.251491][ T10] ip6_route_add+0x1c/0x140 [ 860.251491][ T10] addrconf_prefix_route+0x2a6/0x430 [ 860.251491][ T10] inet6_addr_add+0x4f8/0xa40 [ 860.251491][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 860.251491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.251491][ T10] netlink_rcv_skb+0x130/0x360 [ 860.251491][ T10] netlink_unicast+0x449/0x710 [ 860.251491][ T10] netlink_sendmsg+0x723/0xbe0 [ 860.251491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 860.251491][ T10] ___sys_sendmsg+0xee/0x170 [ 860.251491][ T10] __sys_sendmsg+0xcd/0x170 [ 860.251491][ T10] do_syscall_64+0xc6/0x1e0 [ 860.251491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.251491][ T10] [ 860.253516][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 860.253516][ T10] netdev_get_by_index+0x5e/0x80 [ 860.253516][ T10] fib6_nh_init+0x3d8/0x1580 [ 860.253516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 860.253516][ T10] addrconf_f6i_alloc+0x315/0x560 [ 860.253516][ T10] ipv6_add_addr+0x411/0x2000 [ 860.253516][ T10] inet6_addr_add+0x30e/0xa40 [ 860.253516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 860.253516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.253516][ T10] netlink_rcv_skb+0x130/0x360 [ 860.253516][ T10] netlink_unicast+0x449/0x710 [ 860.253516][ T10] netlink_sendmsg+0x723/0xbe0 [ 860.253516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 860.253516][ T10] ___sys_sendmsg+0xee/0x170 [ 860.253516][ T10] __sys_sendmsg+0xcd/0x170 [ 860.253516][ T10] do_syscall_64+0xc6/0x1e0 [ 860.253516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.253516][ T10] [ 860.255529][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 860.255529][ T10] netdev_get_by_index+0x5e/0x80 [ 860.255529][ T10] fib6_nh_init+0x3d8/0x1580 [ 860.255529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 860.255529][ T10] ip6_route_add+0x1c/0x140 [ 860.255529][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 860.255529][ T10] addrconf_add_dev+0xe2/0x170 [ 860.255529][ T10] inet6_addr_add+0x12f/0xa40 [ 860.255529][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 860.255529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.255529][ T10] netlink_rcv_skb+0x130/0x360 [ 860.255529][ T10] netlink_unicast+0x449/0x710 [ 860.255529][ T10] netlink_sendmsg+0x723/0xbe0 [ 860.255529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 860.255529][ T10] ___sys_sendmsg+0xee/0x170 [ 860.255529][ T10] __sys_sendmsg+0xcd/0x170 [ 860.255529][ T10] do_syscall_64+0xc6/0x1e0 [ 860.255529][ T10] [ 860.257531][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 860.257531][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 860.257531][ T10] ipv6_find_idev+0x102/0x170 [ 860.257531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 860.257531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.257531][ T10] netlink_rcv_skb+0x130/0x360 [ 860.257531][ T10] netlink_unicast+0x449/0x710 [ 860.257531][ T10] netlink_sendmsg+0x723/0xbe0 [ 860.257531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 860.257531][ T10] ___sys_sendmsg+0xee/0x170 [ 860.257531][ T10] __sys_sendmsg+0xcd/0x170 [ 860.257531][ T10] do_syscall_64+0xc6/0x1e0 [ 860.257531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.257531][ T10] [ 860.259207][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 860.259207][ T10] neigh_parms_alloc+0x1e5/0x510 [ 860.259207][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 860.259207][ T10] ipv6_find_idev+0x102/0x170 [ 860.259207][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 860.259207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.259207][ T10] netlink_rcv_skb+0x130/0x360 [ 860.259207][ T10] netlink_unicast+0x449/0x710 [ 860.259207][ T10] netlink_sendmsg+0x723/0xbe0 [ 860.259207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 860.259207][ T10] ___sys_sendmsg+0xee/0x170 [ 860.259207][ T10] __sys_sendmsg+0xcd/0x170 [ 860.259207][ T10] do_syscall_64+0xc6/0x1e0 [ 860.259207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.259207][ T10] [ 860.261065][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 860.261333][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 860.261333][ T10] netdev_get_by_index+0x5e/0x80 [ 860.261333][ T10] fib6_nh_init+0x3d8/0x1580 [ 860.261333][ T10] ip6_route_info_create+0xf18/0x17d0 [ 860.261333][ T10] addrconf_f6i_alloc+0x265/0x560 [ 860.261333][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 860.261333][ T10] addrconf_join_anycast+0x1c0/0x220 [ 860.261333][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 860.261333][ T10] addrconf_dad_completed+0x12b/0xe20 [ 860.261333][ T10] addrconf_dad_begin+0x310/0x670 [ 860.261333][ T10] addrconf_dad_work+0x10b/0xab0 [ 860.261333][ T10] process_one_work+0x84d/0x18a0 [ 860.261333][ T10] worker_thread+0x587/0xd30 [ 860.261333][ T10] kthread+0x28a/0x350 [ 860.261333][ T10] ret_from_fork+0x31/0x70 [ 860.261333][ T10] ret_from_fork_asm+0x1a/0x30 [ 860.261333][ T10] [ 860.263411][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 860.263411][ T10] netdev_get_by_index+0x5e/0x80 [ 860.263411][ T10] fib6_nh_init+0x3d8/0x1580 [ 860.263411][ T10] ip6_route_info_create+0xf18/0x17d0 [ 860.263411][ T10] ip6_route_add+0x1c/0x140 [ 860.263411][ T10] addrconf_prefix_route+0x2a6/0x430 [ 860.263411][ T10] inet6_addr_add+0x4f8/0xa40 [ 860.263411][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 860.263411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.263411][ T10] netlink_rcv_skb+0x130/0x360 [ 860.263411][ T10] netlink_unicast+0x449/0x710 [ 860.263411][ T10] netlink_sendmsg+0x723/0xbe0 [ 860.263411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 860.263411][ T10] ___sys_sendmsg+0xee/0x170 [ 860.263411][ T10] __sys_sendmsg+0xcd/0x170 [ 860.263411][ T10] do_syscall_64+0xc6/0x1e0 [ 860.263411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.263411][ T10] [ 860.265614][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 860.265614][ T10] netdev_get_by_index+0x5e/0x80 [ 860.265614][ T10] fib6_nh_init+0x3d8/0x1580 [ 860.265614][ T10] ip6_route_info_create+0xf18/0x17d0 [ 860.265614][ T10] addrconf_f6i_alloc+0x315/0x560 [ 860.265614][ T10] ipv6_add_addr+0x411/0x2000 [ 860.265614][ T10] inet6_addr_add+0x30e/0xa40 [ 860.265614][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 860.265614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.265614][ T10] netlink_rcv_skb+0x130/0x360 [ 860.265614][ T10] netlink_unicast+0x449/0x710 [ 860.265614][ T10] netlink_sendmsg+0x723/0xbe0 [ 860.265614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 860.265614][ T10] ___sys_sendmsg+0xee/0x170 [ 860.265614][ T10] __sys_sendmsg+0xcd/0x170 [ 860.265614][ T10] do_syscall_64+0xc6/0x1e0 [ 860.265614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.265614][ T10] [ 860.267792][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 860.267792][ T10] netdev_get_by_index+0x5e/0x80 [ 860.267792][ T10] fib6_nh_init+0x3d8/0x1580 [ 860.267792][ T10] ip6_route_info_create+0xf18/0x17d0 [ 860.267792][ T10] ip6_route_add+0x1c/0x140 [ 860.267792][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 860.267792][ T10] addrconf_add_dev+0xe2/0x170 [ 860.267792][ T10] inet6_addr_add+0x12f/0xa40 [ 860.267792][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 860.267792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.267792][ T10] netlink_rcv_skb+0x130/0x360 [ 860.267792][ T10] netlink_unicast+0x449/0x710 [ 860.267792][ T10] netlink_sendmsg+0x723/0xbe0 [ 860.267792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 860.267792][ T10] ___sys_sendmsg+0xee/0x170 [ 860.267792][ T10] __sys_sendmsg+0xcd/0x170 [ 860.267792][ T10] do_syscall_64+0xc6/0x1e0 [ 860.267792][ T10] [ 860.269933][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 860.269933][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 860.269933][ T10] ipv6_find_idev+0x102/0x170 [ 860.269933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 860.269933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.269933][ T10] netlink_rcv_skb+0x130/0x360 [ 860.269933][ T10] netlink_unicast+0x449/0x710 [ 860.269933][ T10] netlink_sendmsg+0x723/0xbe0 [ 860.269933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 860.269933][ T10] ___sys_sendmsg+0xee/0x170 [ 860.269933][ T10] __sys_sendmsg+0xcd/0x170 [ 860.269933][ T10] do_syscall_64+0xc6/0x1e0 [ 860.269933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.269933][ T10] [ 860.271604][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 860.271604][ T10] neigh_parms_alloc+0x1e5/0x510 [ 860.271604][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 860.271604][ T10] ipv6_find_idev+0x102/0x170 [ 860.271604][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 860.271604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.271604][ T10] netlink_rcv_skb+0x130/0x360 [ 860.271604][ T10] netlink_unicast+0x449/0x710 [ 860.271604][ T10] netlink_sendmsg+0x723/0xbe0 [ 860.271604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 860.271604][ T10] ___sys_sendmsg+0xee/0x170 [ 860.271604][ T10] __sys_sendmsg+0xcd/0x170 [ 860.271604][ T10] do_syscall_64+0xc6/0x1e0 [ 860.271604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.271604][ T10] [ 860.273423][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 860.273684][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 860.273684][ T10] netdev_get_by_index+0x5e/0x80 [ 860.273684][ T10] fib6_nh_init+0x3d8/0x1580 [ 860.273684][ T10] ip6_route_info_create+0xf18/0x17d0 [ 860.273684][ T10] addrconf_f6i_alloc+0x265/0x560 [ 860.273684][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 860.273684][ T10] addrconf_join_anycast+0x1c0/0x220 [ 860.273684][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 860.273684][ T10] addrconf_dad_completed+0x12b/0xe20 [ 860.273684][ T10] addrconf_dad_begin+0x310/0x670 [ 860.273684][ T10] addrconf_dad_work+0x10b/0xab0 [ 860.273684][ T10] process_one_work+0x84d/0x18a0 [ 860.273684][ T10] worker_thread+0x587/0xd30 [ 860.273684][ T10] kthread+0x28a/0x350 [ 860.273684][ T10] ret_from_fork+0x31/0x70 [ 860.273684][ T10] ret_from_fork_asm+0x1a/0x30 [ 860.273684][ T10] [ 860.275758][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 860.275758][ T10] netdev_get_by_index+0x5e/0x80 [ 860.275758][ T10] fib6_nh_init+0x3d8/0x1580 [ 860.275758][ T10] ip6_route_info_create+0xf18/0x17d0 [ 860.275758][ T10] ip6_route_add+0x1c/0x140 [ 860.275758][ T10] addrconf_prefix_route+0x2a6/0x430 [ 860.275758][ T10] inet6_addr_add+0x4f8/0xa40 [ 860.275758][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 860.275758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.275758][ T10] netlink_rcv_skb+0x130/0x360 [ 860.275758][ T10] netlink_unicast+0x449/0x710 [ 860.275758][ T10] netlink_sendmsg+0x723/0xbe0 [ 860.275758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 860.275758][ T10] ___sys_sendmsg+0xee/0x170 [ 860.275758][ T10] __sys_sendmsg+0xcd/0x170 [ 860.275758][ T10] do_syscall_64+0xc6/0x1e0 [ 860.275758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.275758][ T10] [ 860.278097][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 860.278097][ T10] netdev_get_by_index+0x5e/0x80 [ 860.278097][ T10] fib6_nh_init+0x3d8/0x1580 [ 860.278097][ T10] ip6_route_info_create+0xf18/0x17d0 [ 860.278097][ T10] addrconf_f6i_alloc+0x315/0x560 [ 860.278097][ T10] ipv6_add_addr+0x411/0x2000 [ 860.278097][ T10] inet6_addr_add+0x30e/0xa40 [ 860.278097][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 860.278097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.278097][ T10] netlink_rcv_skb+0x130/0x360 [ 860.278097][ T10] netlink_unicast+0x449/0x710 [ 860.278097][ T10] netlink_sendmsg+0x723/0xbe0 [ 860.278097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 860.278097][ T10] ___sys_sendmsg+0xee/0x170 [ 860.278097][ T10] __sys_sendmsg+0xcd/0x170 [ 860.278097][ T10] do_syscall_64+0xc6/0x1e0 [ 860.278097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.278097][ T10] [ 860.280381][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 860.280381][ T10] netdev_get_by_index+0x5e/0x80 [ 860.280381][ T10] fib6_nh_init+0x3d8/0x1580 [ 860.280381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 860.280381][ T10] ip6_route_add+0x1c/0x140 [ 860.280381][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 860.280381][ T10] addrconf_add_dev+0xe2/0x170 [ 860.280381][ T10] inet6_addr_add+0x12f/0xa40 [ 860.280381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 860.280381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.280381][ T10] netlink_rcv_skb+0x130/0x360 [ 860.280381][ T10] netlink_unicast+0x449/0x710 [ 860.280381][ T10] netlink_sendmsg+0x723/0xbe0 [ 860.280381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 860.280381][ T10] ___sys_sendmsg+0xee/0x170 [ 860.280381][ T10] __sys_sendmsg+0xcd/0x170 [ 860.280381][ T10] do_syscall_64+0xc6/0x1e0 [ 860.280381][ T10] [ 860.282690][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 860.282690][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 860.282690][ T10] ipv6_find_idev+0x102/0x170 [ 860.282690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 860.282690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.282690][ T10] netlink_rcv_skb+0x130/0x360 [ 860.282690][ T10] netlink_unicast+0x449/0x710 [ 860.282690][ T10] netlink_sendmsg+0x723/0xbe0 [ 860.282690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 860.282690][ T10] ___sys_sendmsg+0xee/0x170 [ 860.282690][ T10] __sys_sendmsg+0xcd/0x170 [ 860.282690][ T10] do_syscall_64+0xc6/0x1e0 [ 860.282690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.282690][ T10] [ 860.284447][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 860.284447][ T10] neigh_parms_alloc+0x1e5/0x510 [ 860.284447][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 860.284447][ T10] ipv6_find_idev+0x102/0x170 [ 860.284447][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 860.284447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.284447][ T10] netlink_rcv_skb+0x130/0x360 [ 860.284447][ T10] netlink_unicast+0x449/0x710 [ 860.284447][ T10] netlink_sendmsg+0x723/0xbe0 [ 860.284447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 860.284447][ T10] ___sys_sendmsg+0xee/0x170 [ 860.284447][ T10] __sys_sendmsg+0xcd/0x170 [ 860.284447][ T10] do_syscall_64+0xc6/0x1e0 [ 860.284447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.284447][ T10] [ 860.286354][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 860.286603][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 860.286603][ T10] netdev_get_by_index+0x5e/0x80 [ 860.286603][ T10] fib6_nh_init+0x3d8/0x1580 [ 860.286603][ T10] ip6_route_info_create+0xf18/0x17d0 [ 860.286603][ T10] addrconf_f6i_alloc+0x265/0x560 [ 860.286603][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 860.286603][ T10] addrconf_join_anycast+0x1c0/0x220 [ 860.286603][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 860.286603][ T10] addrconf_dad_completed+0x12b/0xe20 [ 860.286603][ T10] addrconf_dad_begin+0x310/0x670 [ 860.286603][ T10] addrconf_dad_work+0x10b/0xab0 [ 860.286603][ T10] process_one_work+0x84d/0x18a0 [ 860.286603][ T10] worker_thread+0x587/0xd30 [ 860.286603][ T10] kthread+0x28a/0x350 [ 860.286603][ T10] ret_from_fork+0x31/0x70 [ 860.286603][ T10] ret_from_fork_asm+0x1a/0x30 [ 860.286603][ T10] [ 860.288822][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 860.288822][ T10] netdev_get_by_index+0x5e/0x80 [ 860.288822][ T10] fib6_nh_init+0x3d8/0x1580 [ 860.288822][ T10] ip6_route_info_create+0xf18/0x17d0 [ 860.288822][ T10] ip6_route_add+0x1c/0x140 [ 860.288822][ T10] addrconf_prefix_route+0x2a6/0x430 [ 860.288822][ T10] inet6_addr_add+0x4f8/0xa40 [ 860.288822][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 860.288822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.288822][ T10] netlink_rcv_skb+0x130/0x360 [ 860.288822][ T10] netlink_unicast+0x449/0x710 [ 860.288822][ T10] netlink_sendmsg+0x723/0xbe0 [ 860.288822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 860.288822][ T10] ___sys_sendmsg+0xee/0x170 [ 860.288822][ T10] __sys_sendmsg+0xcd/0x170 [ 860.288822][ T10] do_syscall_64+0xc6/0x1e0 [ 860.288822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.288822][ T10] [ 860.291071][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 860.291071][ T10] netdev_get_by_index+0x5e/0x80 [ 860.291071][ T10] fib6_nh_init+0x3d8/0x1580 [ 860.291071][ T10] ip6_route_info_create+0xf18/0x17d0 [ 860.291071][ T10] addrconf_f6i_alloc+0x315/0x560 [ 860.291071][ T10] ipv6_add_addr+0x411/0x2000 [ 860.291071][ T10] inet6_addr_add+0x30e/0xa40 [ 860.291071][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 860.291071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.291071][ T10] netlink_rcv_skb+0x130/0x360 [ 860.291071][ T10] netlink_unicast+0x449/0x710 [ 860.291071][ T10] netlink_sendmsg+0x723/0xbe0 [ 860.291071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 860.291071][ T10] ___sys_sendmsg+0xee/0x170 [ 860.291071][ T10] __sys_sendmsg+0xcd/0x170 [ 860.291071][ T10] do_syscall_64+0xc6/0x1e0 [ 860.291071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.291071][ T10] [ 860.293249][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 860.293249][ T10] netdev_get_by_index+0x5e/0x80 [ 860.293249][ T10] fib6_nh_init+0x3d8/0x1580 [ 860.293249][ T10] ip6_route_info_create+0xf18/0x17d0 [ 860.293249][ T10] ip6_route_add+0x1c/0x140 [ 860.293249][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 860.293249][ T10] addrconf_add_dev+0xe2/0x170 [ 860.293249][ T10] inet6_addr_add+0x12f/0xa40 [ 860.293249][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 860.293249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.293249][ T10] netlink_rcv_skb+0x130/0x360 [ 860.293249][ T10] netlink_unicast+0x449/0x710 [ 860.293249][ T10] netlink_sendmsg+0x723/0xbe0 [ 860.293249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 860.293249][ T10] ___sys_sendmsg+0xee/0x170 [ 860.293249][ T10] __sys_sendmsg+0xcd/0x170 [ 860.293249][ T10] do_syscall_64+0xc6/0x1e0 [ 860.293249][ T10] [ 860.295495][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 860.295495][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 860.295495][ T10] ipv6_find_idev+0x102/0x170 [ 860.295495][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 860.295495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.295495][ T10] netlink_rcv_skb+0x130/0x360 [ 860.295495][ T10] netlink_unicast+0x449/0x710 [ 860.295495][ T10] netlink_sendmsg+0x723/0xbe0 [ 860.295495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 860.295495][ T10] ___sys_sendmsg+0xee/0x170 [ 860.295495][ T10] __sys_sendmsg+0xcd/0x170 [ 860.295495][ T10] do_syscall_64+0xc6/0x1e0 [ 860.295495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.295495][ T10] [ 860.297273][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 860.297273][ T10] neigh_parms_alloc+0x1e5/0x510 [ 860.297273][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 860.297273][ T10] ipv6_find_idev+0x102/0x170 [ 860.297273][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 860.297273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.297273][ T10] netlink_rcv_skb+0x130/0x360 [ 860.297273][ T10] netlink_unicast+0x449/0x710 [ 860.297273][ T10] netlink_sendmsg+0x723/0xbe0 [ 860.297273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 860.297273][ T10] ___sys_sendmsg+0xee/0x170 [ 860.297273][ T10] __sys_sendmsg+0xcd/0x170 [ 860.297273][ T10] do_syscall_64+0xc6/0x1e0 [ 860.297273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.297273][ T10] [ 860.505119][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 860.505622][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 860.505622][ T1167] dst_init+0x84/0x4a0 [ 860.505622][ T1167] dst_alloc+0x97/0x150 [ 860.505622][ T1167] ip6_dst_alloc+0x23/0x90 [ 860.505622][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 860.505622][ T1167] ip6_pol_route+0x56f/0x840 [ 860.505622][ T1167] fib6_rule_lookup+0x334/0x630 [ 860.505622][ T1167] ip6_route_output_flags+0x259/0x480 [ 860.505622][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 860.505622][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 860.505622][ T1167] netlink_rcv_skb+0x130/0x360 [ 860.505622][ T1167] netlink_unicast+0x449/0x710 [ 860.505622][ T1167] netlink_sendmsg+0x723/0xbe0 [ 860.505622][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 860.505622][ T1167] ___sys_sendmsg+0xee/0x170 [ 860.505622][ T1167] __sys_sendmsg+0xcd/0x170 [ 860.505622][ T1167] do_syscall_64+0xc6/0x1e0 [ 860.505622][ T1167] [ 860.507844][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 860.507844][ T1167] netdev_get_by_index+0x5e/0x80 [ 860.507844][ T1167] fib6_nh_init+0x3d8/0x1580 [ 860.507844][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 860.507844][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 860.507844][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 860.507844][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 860.507844][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 860.507844][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 860.507844][ T1167] addrconf_dad_begin+0x310/0x670 [ 860.507844][ T1167] addrconf_dad_work+0x10b/0xab0 [ 860.507844][ T1167] process_one_work+0x84d/0x18a0 [ 860.507844][ T1167] worker_thread+0x587/0xd30 [ 860.507844][ T1167] kthread+0x28a/0x350 [ 860.507844][ T1167] ret_from_fork+0x31/0x70 [ 860.507844][ T1167] ret_from_fork_asm+0x1a/0x30 [ 860.507844][ T1167] [ 860.510013][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 860.510013][ T1167] netdev_get_by_index+0x5e/0x80 [ 860.510013][ T1167] fib6_nh_init+0x3d8/0x1580 [ 860.510013][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 860.510013][ T1167] ip6_route_add+0x1c/0x140 [ 860.510013][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 860.510013][ T1167] inet6_addr_add+0x4f8/0xa40 [ 860.510013][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 860.510013][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.510013][ T1167] netlink_rcv_skb+0x130/0x360 [ 860.510013][ T1167] netlink_unicast+0x449/0x710 [ 860.510013][ T1167] netlink_sendmsg+0x723/0xbe0 [ 860.510013][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 860.510013][ T1167] ___sys_sendmsg+0xee/0x170 [ 860.510013][ T1167] __sys_sendmsg+0xcd/0x170 [ 860.510013][ T1167] do_syscall_64+0xc6/0x1e0 [ 860.510013][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.510013][ T1167] [ 860.512281][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 860.512281][ T1167] netdev_get_by_index+0x5e/0x80 [ 860.512281][ T1167] fib6_nh_init+0x3d8/0x1580 [ 860.512281][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 860.512281][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 860.512281][ T1167] ipv6_add_addr+0x411/0x2000 [ 860.512281][ T1167] inet6_addr_add+0x30e/0xa40 [ 860.512281][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 860.512281][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.512281][ T1167] netlink_rcv_skb+0x130/0x360 [ 860.512281][ T1167] netlink_unicast+0x449/0x710 [ 860.512281][ T1167] netlink_sendmsg+0x723/0xbe0 [ 860.512281][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 860.512281][ T1167] ___sys_sendmsg+0xee/0x170 [ 860.512281][ T1167] __sys_sendmsg+0xcd/0x170 [ 860.512281][ T1167] do_syscall_64+0xc6/0x1e0 [ 860.512281][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.512281][ T1167] [ 860.514564][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 860.514564][ T1167] netdev_get_by_index+0x5e/0x80 [ 860.514564][ T1167] fib6_nh_init+0x3d8/0x1580 [ 860.514564][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 860.514564][ T1167] ip6_route_add+0x1c/0x140 [ 860.514564][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 860.514564][ T1167] addrconf_add_dev+0xe2/0x170 [ 860.514564][ T1167] inet6_addr_add+0x12f/0xa40 [ 860.514564][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 860.514564][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.514564][ T1167] netlink_rcv_skb+0x130/0x360 [ 860.514564][ T1167] netlink_unicast+0x449/0x710 [ 860.514564][ T1167] netlink_sendmsg+0x723/0xbe0 [ 860.514564][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 860.514564][ T1167] ___sys_sendmsg+0xee/0x170 [ 860.514564][ T1167] __sys_sendmsg+0xcd/0x170 [ 860.514564][ T1167] do_syscall_64+0xc6/0x1e0 [ 860.514564][ T1167] [ 860.516779][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 860.516779][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 860.516779][ T1167] ipv6_find_idev+0x102/0x170 [ 860.516779][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 860.516779][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.516779][ T1167] netlink_rcv_skb+0x130/0x360 [ 860.516779][ T1167] netlink_unicast+0x449/0x710 [ 860.516779][ T1167] netlink_sendmsg+0x723/0xbe0 [ 860.516779][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 860.516779][ T1167] ___sys_sendmsg+0xee/0x170 [ 860.516779][ T1167] __sys_sendmsg+0xcd/0x170 [ 860.516779][ T1167] do_syscall_64+0xc6/0x1e0 [ 860.516779][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.516779][ T1167] [ 860.518504][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 860.518504][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 860.518504][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 860.518504][ T1167] ipv6_find_idev+0x102/0x170 [ 860.518504][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 860.518504][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.518504][ T1167] netlink_rcv_skb+0x130/0x360 [ 860.518504][ T1167] netlink_unicast+0x449/0x710 [ 860.518504][ T1167] netlink_sendmsg+0x723/0xbe0 [ 860.518504][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 860.518504][ T1167] ___sys_sendmsg+0xee/0x170 [ 860.518504][ T1167] __sys_sendmsg+0xcd/0x170 [ 860.518504][ T1167] do_syscall_64+0xc6/0x1e0 [ 860.518504][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.518504][ T1167] [ 870.489173][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 870.489581][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 870.489581][ T10] netdev_get_by_index+0x5e/0x80 [ 870.489581][ T10] fib6_nh_init+0x3d8/0x1580 [ 870.489581][ T10] ip6_route_info_create+0xf18/0x17d0 [ 870.489581][ T10] addrconf_f6i_alloc+0x265/0x560 [ 870.489581][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 870.489581][ T10] addrconf_join_anycast+0x1c0/0x220 [ 870.489581][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 870.489581][ T10] addrconf_dad_completed+0x12b/0xe20 [ 870.489581][ T10] addrconf_dad_begin+0x310/0x670 [ 870.489581][ T10] addrconf_dad_work+0x10b/0xab0 [ 870.489581][ T10] process_one_work+0x84d/0x18a0 [ 870.489581][ T10] worker_thread+0x587/0xd30 [ 870.489581][ T10] kthread+0x28a/0x350 [ 870.489581][ T10] ret_from_fork+0x31/0x70 [ 870.489581][ T10] ret_from_fork_asm+0x1a/0x30 [ 870.489581][ T10] [ 870.491689][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 870.491689][ T10] netdev_get_by_index+0x5e/0x80 [ 870.491689][ T10] fib6_nh_init+0x3d8/0x1580 [ 870.491689][ T10] ip6_route_info_create+0xf18/0x17d0 [ 870.491689][ T10] ip6_route_add+0x1c/0x140 [ 870.491689][ T10] addrconf_prefix_route+0x2a6/0x430 [ 870.491689][ T10] inet6_addr_add+0x4f8/0xa40 [ 870.491689][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 870.491689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.491689][ T10] netlink_rcv_skb+0x130/0x360 [ 870.491689][ T10] netlink_unicast+0x449/0x710 [ 870.491689][ T10] netlink_sendmsg+0x723/0xbe0 [ 870.491689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 870.491689][ T10] ___sys_sendmsg+0xee/0x170 [ 870.491689][ T10] __sys_sendmsg+0xcd/0x170 [ 870.491689][ T10] do_syscall_64+0xc6/0x1e0 [ 870.491689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.491689][ T10] [ 870.493872][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 870.493872][ T10] netdev_get_by_index+0x5e/0x80 [ 870.493872][ T10] fib6_nh_init+0x3d8/0x1580 [ 870.493872][ T10] ip6_route_info_create+0xf18/0x17d0 [ 870.493872][ T10] addrconf_f6i_alloc+0x315/0x560 [ 870.493872][ T10] ipv6_add_addr+0x411/0x2000 [ 870.493872][ T10] inet6_addr_add+0x30e/0xa40 [ 870.493872][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 870.493872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.493872][ T10] netlink_rcv_skb+0x130/0x360 [ 870.493872][ T10] netlink_unicast+0x449/0x710 [ 870.493872][ T10] netlink_sendmsg+0x723/0xbe0 [ 870.493872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 870.493872][ T10] ___sys_sendmsg+0xee/0x170 [ 870.493872][ T10] __sys_sendmsg+0xcd/0x170 [ 870.493872][ T10] do_syscall_64+0xc6/0x1e0 [ 870.493872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.493872][ T10] [ 870.496065][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 870.496065][ T10] netdev_get_by_index+0x5e/0x80 [ 870.496065][ T10] fib6_nh_init+0x3d8/0x1580 [ 870.496065][ T10] ip6_route_info_create+0xf18/0x17d0 [ 870.496065][ T10] ip6_route_add+0x1c/0x140 [ 870.496065][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 870.496065][ T10] addrconf_add_dev+0xe2/0x170 [ 870.496065][ T10] inet6_addr_add+0x12f/0xa40 [ 870.496065][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 870.496065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.496065][ T10] netlink_rcv_skb+0x130/0x360 [ 870.496065][ T10] netlink_unicast+0x449/0x710 [ 870.496065][ T10] netlink_sendmsg+0x723/0xbe0 [ 870.496065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 870.496065][ T10] ___sys_sendmsg+0xee/0x170 [ 870.496065][ T10] __sys_sendmsg+0xcd/0x170 [ 870.496065][ T10] do_syscall_64+0xc6/0x1e0 [ 870.496065][ T10] [ 870.498248][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 870.498248][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 870.498248][ T10] ipv6_find_idev+0x102/0x170 [ 870.498248][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 870.498248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.498248][ T10] netlink_rcv_skb+0x130/0x360 [ 870.498248][ T10] netlink_unicast+0x449/0x710 [ 870.498248][ T10] netlink_sendmsg+0x723/0xbe0 [ 870.498248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 870.498248][ T10] ___sys_sendmsg+0xee/0x170 [ 870.498248][ T10] __sys_sendmsg+0xcd/0x170 [ 870.498248][ T10] do_syscall_64+0xc6/0x1e0 [ 870.498248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.498248][ T10] [ 870.499923][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 870.499923][ T10] neigh_parms_alloc+0x1e5/0x510 [ 870.499923][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 870.499923][ T10] ipv6_find_idev+0x102/0x170 [ 870.499923][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 870.499923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.499923][ T10] netlink_rcv_skb+0x130/0x360 [ 870.499923][ T10] netlink_unicast+0x449/0x710 [ 870.499923][ T10] netlink_sendmsg+0x723/0xbe0 [ 870.499923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 870.499923][ T10] ___sys_sendmsg+0xee/0x170 [ 870.499923][ T10] __sys_sendmsg+0xcd/0x170 [ 870.499923][ T10] do_syscall_64+0xc6/0x1e0 [ 870.499923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.499923][ T10] [ 870.501773][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 870.502047][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 870.502047][ T10] netdev_get_by_index+0x5e/0x80 [ 870.502047][ T10] fib6_nh_init+0x3d8/0x1580 [ 870.502047][ T10] ip6_route_info_create+0xf18/0x17d0 [ 870.502047][ T10] addrconf_f6i_alloc+0x265/0x560 [ 870.502047][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 870.502047][ T10] addrconf_join_anycast+0x1c0/0x220 [ 870.502047][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 870.502047][ T10] addrconf_dad_completed+0x12b/0xe20 [ 870.502047][ T10] addrconf_dad_begin+0x310/0x670 [ 870.502047][ T10] addrconf_dad_work+0x10b/0xab0 [ 870.502047][ T10] process_one_work+0x84d/0x18a0 [ 870.502047][ T10] worker_thread+0x587/0xd30 [ 870.502047][ T10] kthread+0x28a/0x350 [ 870.502047][ T10] ret_from_fork+0x31/0x70 [ 870.502047][ T10] ret_from_fork_asm+0x1a/0x30 [ 870.502047][ T10] [ 870.504085][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 870.504085][ T10] netdev_get_by_index+0x5e/0x80 [ 870.504085][ T10] fib6_nh_init+0x3d8/0x1580 [ 870.504085][ T10] ip6_route_info_create+0xf18/0x17d0 [ 870.504085][ T10] ip6_route_add+0x1c/0x140 [ 870.504085][ T10] addrconf_prefix_route+0x2a6/0x430 [ 870.504085][ T10] inet6_addr_add+0x4f8/0xa40 [ 870.504085][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 870.504085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.504085][ T10] netlink_rcv_skb+0x130/0x360 [ 870.504085][ T10] netlink_unicast+0x449/0x710 [ 870.504085][ T10] netlink_sendmsg+0x723/0xbe0 [ 870.504085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 870.504085][ T10] ___sys_sendmsg+0xee/0x170 [ 870.504085][ T10] __sys_sendmsg+0xcd/0x170 [ 870.504085][ T10] do_syscall_64+0xc6/0x1e0 [ 870.504085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.504085][ T10] [ 870.506274][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 870.506274][ T10] netdev_get_by_index+0x5e/0x80 [ 870.506274][ T10] fib6_nh_init+0x3d8/0x1580 [ 870.506274][ T10] ip6_route_info_create+0xf18/0x17d0 [ 870.506274][ T10] addrconf_f6i_alloc+0x315/0x560 [ 870.506274][ T10] ipv6_add_addr+0x411/0x2000 [ 870.506274][ T10] inet6_addr_add+0x30e/0xa40 [ 870.506274][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 870.506274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.506274][ T10] netlink_rcv_skb+0x130/0x360 [ 870.506274][ T10] netlink_unicast+0x449/0x710 [ 870.506274][ T10] netlink_sendmsg+0x723/0xbe0 [ 870.506274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 870.506274][ T10] ___sys_sendmsg+0xee/0x170 [ 870.506274][ T10] __sys_sendmsg+0xcd/0x170 [ 870.506274][ T10] do_syscall_64+0xc6/0x1e0 [ 870.506274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.506274][ T10] [ 870.508426][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 870.508426][ T10] netdev_get_by_index+0x5e/0x80 [ 870.508426][ T10] fib6_nh_init+0x3d8/0x1580 [ 870.508426][ T10] ip6_route_info_create+0xf18/0x17d0 [ 870.508426][ T10] ip6_route_add+0x1c/0x140 [ 870.508426][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 870.508426][ T10] addrconf_add_dev+0xe2/0x170 [ 870.508426][ T10] inet6_addr_add+0x12f/0xa40 [ 870.508426][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 870.508426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.508426][ T10] netlink_rcv_skb+0x130/0x360 [ 870.508426][ T10] netlink_unicast+0x449/0x710 [ 870.508426][ T10] netlink_sendmsg+0x723/0xbe0 [ 870.508426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 870.508426][ T10] ___sys_sendmsg+0xee/0x170 [ 870.508426][ T10] __sys_sendmsg+0xcd/0x170 [ 870.508426][ T10] do_syscall_64+0xc6/0x1e0 [ 870.508426][ T10] [ 870.510548][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 870.510548][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 870.510548][ T10] ipv6_find_idev+0x102/0x170 [ 870.510548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 870.510548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.510548][ T10] netlink_rcv_skb+0x130/0x360 [ 870.510548][ T10] netlink_unicast+0x449/0x710 [ 870.510548][ T10] netlink_sendmsg+0x723/0xbe0 [ 870.510548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 870.510548][ T10] ___sys_sendmsg+0xee/0x170 [ 870.510548][ T10] __sys_sendmsg+0xcd/0x170 [ 870.510548][ T10] do_syscall_64+0xc6/0x1e0 [ 870.510548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.510548][ T10] [ 870.512207][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 870.512207][ T10] neigh_parms_alloc+0x1e5/0x510 [ 870.512207][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 870.512207][ T10] ipv6_find_idev+0x102/0x170 [ 870.512207][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 870.512207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.512207][ T10] netlink_rcv_skb+0x130/0x360 [ 870.512207][ T10] netlink_unicast+0x449/0x710 [ 870.512207][ T10] netlink_sendmsg+0x723/0xbe0 [ 870.512207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 870.512207][ T10] ___sys_sendmsg+0xee/0x170 [ 870.512207][ T10] __sys_sendmsg+0xcd/0x170 [ 870.512207][ T10] do_syscall_64+0xc6/0x1e0 [ 870.512207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.512207][ T10] [ 870.514054][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 870.514338][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 870.514338][ T10] netdev_get_by_index+0x5e/0x80 [ 870.514338][ T10] fib6_nh_init+0x3d8/0x1580 [ 870.514338][ T10] ip6_route_info_create+0xf18/0x17d0 [ 870.514338][ T10] addrconf_f6i_alloc+0x265/0x560 [ 870.514338][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 870.514338][ T10] addrconf_join_anycast+0x1c0/0x220 [ 870.514338][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 870.514338][ T10] addrconf_dad_completed+0x12b/0xe20 [ 870.514338][ T10] addrconf_dad_begin+0x310/0x670 [ 870.514338][ T10] addrconf_dad_work+0x10b/0xab0 [ 870.514338][ T10] process_one_work+0x84d/0x18a0 [ 870.514338][ T10] worker_thread+0x587/0xd30 [ 870.514338][ T10] kthread+0x28a/0x350 [ 870.514338][ T10] ret_from_fork+0x31/0x70 [ 870.514338][ T10] ret_from_fork_asm+0x1a/0x30 [ 870.514338][ T10] [ 870.516414][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 870.516414][ T10] netdev_get_by_index+0x5e/0x80 [ 870.516414][ T10] fib6_nh_init+0x3d8/0x1580 [ 870.516414][ T10] ip6_route_info_create+0xf18/0x17d0 [ 870.516414][ T10] ip6_route_add+0x1c/0x140 [ 870.516414][ T10] addrconf_prefix_route+0x2a6/0x430 [ 870.516414][ T10] inet6_addr_add+0x4f8/0xa40 [ 870.516414][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 870.516414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.516414][ T10] netlink_rcv_skb+0x130/0x360 [ 870.516414][ T10] netlink_unicast+0x449/0x710 [ 870.516414][ T10] netlink_sendmsg+0x723/0xbe0 [ 870.516414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 870.516414][ T10] ___sys_sendmsg+0xee/0x170 [ 870.516414][ T10] __sys_sendmsg+0xcd/0x170 [ 870.516414][ T10] do_syscall_64+0xc6/0x1e0 [ 870.516414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.516414][ T10] [ 870.518744][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 870.518744][ T10] netdev_get_by_index+0x5e/0x80 [ 870.518744][ T10] fib6_nh_init+0x3d8/0x1580 [ 870.518744][ T10] ip6_route_info_create+0xf18/0x17d0 [ 870.518744][ T10] addrconf_f6i_alloc+0x315/0x560 [ 870.518744][ T10] ipv6_add_addr+0x411/0x2000 [ 870.518744][ T10] inet6_addr_add+0x30e/0xa40 [ 870.518744][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 870.518744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.518744][ T10] netlink_rcv_skb+0x130/0x360 [ 870.518744][ T10] netlink_unicast+0x449/0x710 [ 870.518744][ T10] netlink_sendmsg+0x723/0xbe0 [ 870.518744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 870.518744][ T10] ___sys_sendmsg+0xee/0x170 [ 870.518744][ T10] __sys_sendmsg+0xcd/0x170 [ 870.518744][ T10] do_syscall_64+0xc6/0x1e0 [ 870.518744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.518744][ T10] [ 870.521152][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 870.521152][ T10] netdev_get_by_index+0x5e/0x80 [ 870.521152][ T10] fib6_nh_init+0x3d8/0x1580 [ 870.521152][ T10] ip6_route_info_create+0xf18/0x17d0 [ 870.521152][ T10] ip6_route_add+0x1c/0x140 [ 870.521152][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 870.521152][ T10] addrconf_add_dev+0xe2/0x170 [ 870.521152][ T10] inet6_addr_add+0x12f/0xa40 [ 870.521152][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 870.521152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.521152][ T10] netlink_rcv_skb+0x130/0x360 [ 870.521152][ T10] netlink_unicast+0x449/0x710 [ 870.521152][ T10] netlink_sendmsg+0x723/0xbe0 [ 870.521152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 870.521152][ T10] ___sys_sendmsg+0xee/0x170 [ 870.521152][ T10] __sys_sendmsg+0xcd/0x170 [ 870.521152][ T10] do_syscall_64+0xc6/0x1e0 [ 870.521152][ T10] [ 870.523531][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 870.523531][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 870.523531][ T10] ipv6_find_idev+0x102/0x170 [ 870.523531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 870.523531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.523531][ T10] netlink_rcv_skb+0x130/0x360 [ 870.523531][ T10] netlink_unicast+0x449/0x710 [ 870.523531][ T10] netlink_sendmsg+0x723/0xbe0 [ 870.523531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 870.523531][ T10] ___sys_sendmsg+0xee/0x170 [ 870.523531][ T10] __sys_sendmsg+0xcd/0x170 [ 870.523531][ T10] do_syscall_64+0xc6/0x1e0 [ 870.523531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.523531][ T10] [ 870.525468][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 870.525468][ T10] neigh_parms_alloc+0x1e5/0x510 [ 870.525468][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 870.525468][ T10] ipv6_find_idev+0x102/0x170 [ 870.525468][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 870.525468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.525468][ T10] netlink_rcv_skb+0x130/0x360 [ 870.525468][ T10] netlink_unicast+0x449/0x710 [ 870.525468][ T10] netlink_sendmsg+0x723/0xbe0 [ 870.525468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 870.525468][ T10] ___sys_sendmsg+0xee/0x170 [ 870.525468][ T10] __sys_sendmsg+0xcd/0x170 [ 870.525468][ T10] do_syscall_64+0xc6/0x1e0 [ 870.525468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.525468][ T10] [ 870.527478][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 870.527731][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 870.527731][ T10] netdev_get_by_index+0x5e/0x80 [ 870.527731][ T10] fib6_nh_init+0x3d8/0x1580 [ 870.527731][ T10] ip6_route_info_create+0xf18/0x17d0 [ 870.527731][ T10] addrconf_f6i_alloc+0x265/0x560 [ 870.527731][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 870.527731][ T10] addrconf_join_anycast+0x1c0/0x220 [ 870.527731][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 870.527731][ T10] addrconf_dad_completed+0x12b/0xe20 [ 870.527731][ T10] addrconf_dad_begin+0x310/0x670 [ 870.527731][ T10] addrconf_dad_work+0x10b/0xab0 [ 870.527731][ T10] process_one_work+0x84d/0x18a0 [ 870.527731][ T10] worker_thread+0x587/0xd30 [ 870.527731][ T10] kthread+0x28a/0x350 [ 870.527731][ T10] ret_from_fork+0x31/0x70 [ 870.527731][ T10] ret_from_fork_asm+0x1a/0x30 [ 870.527731][ T10] [ 870.530015][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 870.530015][ T10] netdev_get_by_index+0x5e/0x80 [ 870.530015][ T10] fib6_nh_init+0x3d8/0x1580 [ 870.530015][ T10] ip6_route_info_create+0xf18/0x17d0 [ 870.530015][ T10] ip6_route_add+0x1c/0x140 [ 870.530015][ T10] addrconf_prefix_route+0x2a6/0x430 [ 870.530015][ T10] inet6_addr_add+0x4f8/0xa40 [ 870.530015][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 870.530015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.530015][ T10] netlink_rcv_skb+0x130/0x360 [ 870.530015][ T10] netlink_unicast+0x449/0x710 [ 870.530015][ T10] netlink_sendmsg+0x723/0xbe0 [ 870.530015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 870.530015][ T10] ___sys_sendmsg+0xee/0x170 [ 870.530015][ T10] __sys_sendmsg+0xcd/0x170 [ 870.530015][ T10] do_syscall_64+0xc6/0x1e0 [ 870.530015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.530015][ T10] [ 870.532388][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 870.532388][ T10] netdev_get_by_index+0x5e/0x80 [ 870.532388][ T10] fib6_nh_init+0x3d8/0x1580 [ 870.532388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 870.532388][ T10] addrconf_f6i_alloc+0x315/0x560 [ 870.532388][ T10] ipv6_add_addr+0x411/0x2000 [ 870.532388][ T10] inet6_addr_add+0x30e/0xa40 [ 870.532388][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 870.532388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.532388][ T10] netlink_rcv_skb+0x130/0x360 [ 870.532388][ T10] netlink_unicast+0x449/0x710 [ 870.532388][ T10] netlink_sendmsg+0x723/0xbe0 [ 870.532388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 870.532388][ T10] ___sys_sendmsg+0xee/0x170 [ 870.532388][ T10] __sys_sendmsg+0xcd/0x170 [ 870.532388][ T10] do_syscall_64+0xc6/0x1e0 [ 870.532388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.532388][ T10] [ 870.534746][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 870.534746][ T10] netdev_get_by_index+0x5e/0x80 [ 870.534746][ T10] fib6_nh_init+0x3d8/0x1580 [ 870.534746][ T10] ip6_route_info_create+0xf18/0x17d0 [ 870.534746][ T10] ip6_route_add+0x1c/0x140 [ 870.534746][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 870.534746][ T10] addrconf_add_dev+0xe2/0x170 [ 870.534746][ T10] inet6_addr_add+0x12f/0xa40 [ 870.534746][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 870.534746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.534746][ T10] netlink_rcv_skb+0x130/0x360 [ 870.534746][ T10] netlink_unicast+0x449/0x710 [ 870.534746][ T10] netlink_sendmsg+0x723/0xbe0 [ 870.534746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 870.534746][ T10] ___sys_sendmsg+0xee/0x170 [ 870.534746][ T10] __sys_sendmsg+0xcd/0x170 [ 870.534746][ T10] do_syscall_64+0xc6/0x1e0 [ 870.534746][ T10] [ 870.537177][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 870.537177][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 870.537177][ T10] ipv6_find_idev+0x102/0x170 [ 870.537177][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 870.537177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.537177][ T10] netlink_rcv_skb+0x130/0x360 [ 870.537177][ T10] netlink_unicast+0x449/0x710 [ 870.537177][ T10] netlink_sendmsg+0x723/0xbe0 [ 870.537177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 870.537177][ T10] ___sys_sendmsg+0xee/0x170 [ 870.537177][ T10] __sys_sendmsg+0xcd/0x170 [ 870.537177][ T10] do_syscall_64+0xc6/0x1e0 [ 870.537177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.537177][ T10] [ 870.539030][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 870.539030][ T10] neigh_parms_alloc+0x1e5/0x510 [ 870.539030][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 870.539030][ T10] ipv6_find_idev+0x102/0x170 [ 870.539030][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 870.539030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.539030][ T10] netlink_rcv_skb+0x130/0x360 [ 870.539030][ T10] netlink_unicast+0x449/0x710 [ 870.539030][ T10] netlink_sendmsg+0x723/0xbe0 [ 870.539030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 870.539030][ T10] ___sys_sendmsg+0xee/0x170 [ 870.539030][ T10] __sys_sendmsg+0xcd/0x170 [ 870.539030][ T10] do_syscall_64+0xc6/0x1e0 [ 870.539030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.539030][ T10] [ 870.745124][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 870.745658][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 870.745658][ T1167] dst_init+0x84/0x4a0 [ 870.745658][ T1167] dst_alloc+0x97/0x150 [ 870.745658][ T1167] ip6_dst_alloc+0x23/0x90 [ 870.745658][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 870.745658][ T1167] ip6_pol_route+0x56f/0x840 [ 870.745658][ T1167] fib6_rule_lookup+0x334/0x630 [ 870.745658][ T1167] ip6_route_output_flags+0x259/0x480 [ 870.745658][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 870.745658][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 870.745658][ T1167] netlink_rcv_skb+0x130/0x360 [ 870.745658][ T1167] netlink_unicast+0x449/0x710 [ 870.745658][ T1167] netlink_sendmsg+0x723/0xbe0 [ 870.745658][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 870.745658][ T1167] ___sys_sendmsg+0xee/0x170 [ 870.745658][ T1167] __sys_sendmsg+0xcd/0x170 [ 870.745658][ T1167] do_syscall_64+0xc6/0x1e0 [ 870.745658][ T1167] [ 870.747868][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 870.747868][ T1167] netdev_get_by_index+0x5e/0x80 [ 870.747868][ T1167] fib6_nh_init+0x3d8/0x1580 [ 870.747868][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 870.747868][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 870.747868][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 870.747868][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 870.747868][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 870.747868][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 870.747868][ T1167] addrconf_dad_begin+0x310/0x670 [ 870.747868][ T1167] addrconf_dad_work+0x10b/0xab0 [ 870.747868][ T1167] process_one_work+0x84d/0x18a0 [ 870.747868][ T1167] worker_thread+0x587/0xd30 [ 870.747868][ T1167] kthread+0x28a/0x350 [ 870.747868][ T1167] ret_from_fork+0x31/0x70 [ 870.747868][ T1167] ret_from_fork_asm+0x1a/0x30 [ 870.747868][ T1167] [ 870.750043][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 870.750043][ T1167] netdev_get_by_index+0x5e/0x80 [ 870.750043][ T1167] fib6_nh_init+0x3d8/0x1580 [ 870.750043][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 870.750043][ T1167] ip6_route_add+0x1c/0x140 [ 870.750043][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 870.750043][ T1167] inet6_addr_add+0x4f8/0xa40 [ 870.750043][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 870.750043][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.750043][ T1167] netlink_rcv_skb+0x130/0x360 [ 870.750043][ T1167] netlink_unicast+0x449/0x710 [ 870.750043][ T1167] netlink_sendmsg+0x723/0xbe0 [ 870.750043][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 870.750043][ T1167] ___sys_sendmsg+0xee/0x170 [ 870.750043][ T1167] __sys_sendmsg+0xcd/0x170 [ 870.750043][ T1167] do_syscall_64+0xc6/0x1e0 [ 870.750043][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.750043][ T1167] [ 870.752295][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 870.752295][ T1167] netdev_get_by_index+0x5e/0x80 [ 870.752295][ T1167] fib6_nh_init+0x3d8/0x1580 [ 870.752295][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 870.752295][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 870.752295][ T1167] ipv6_add_addr+0x411/0x2000 [ 870.752295][ T1167] inet6_addr_add+0x30e/0xa40 [ 870.752295][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 870.752295][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.752295][ T1167] netlink_rcv_skb+0x130/0x360 [ 870.752295][ T1167] netlink_unicast+0x449/0x710 [ 870.752295][ T1167] netlink_sendmsg+0x723/0xbe0 [ 870.752295][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 870.752295][ T1167] ___sys_sendmsg+0xee/0x170 [ 870.752295][ T1167] __sys_sendmsg+0xcd/0x170 [ 870.752295][ T1167] do_syscall_64+0xc6/0x1e0 [ 870.752295][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.752295][ T1167] [ 870.754554][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 870.754554][ T1167] netdev_get_by_index+0x5e/0x80 [ 870.754554][ T1167] fib6_nh_init+0x3d8/0x1580 [ 870.754554][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 870.754554][ T1167] ip6_route_add+0x1c/0x140 [ 870.754554][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 870.754554][ T1167] addrconf_add_dev+0xe2/0x170 [ 870.754554][ T1167] inet6_addr_add+0x12f/0xa40 [ 870.754554][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 870.754554][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.754554][ T1167] netlink_rcv_skb+0x130/0x360 [ 870.754554][ T1167] netlink_unicast+0x449/0x710 [ 870.754554][ T1167] netlink_sendmsg+0x723/0xbe0 [ 870.754554][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 870.754554][ T1167] ___sys_sendmsg+0xee/0x170 [ 870.754554][ T1167] __sys_sendmsg+0xcd/0x170 [ 870.754554][ T1167] do_syscall_64+0xc6/0x1e0 [ 870.754554][ T1167] [ 870.756762][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 870.756762][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 870.756762][ T1167] ipv6_find_idev+0x102/0x170 [ 870.756762][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 870.756762][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.756762][ T1167] netlink_rcv_skb+0x130/0x360 [ 870.756762][ T1167] netlink_unicast+0x449/0x710 [ 870.756762][ T1167] netlink_sendmsg+0x723/0xbe0 [ 870.756762][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 870.756762][ T1167] ___sys_sendmsg+0xee/0x170 [ 870.756762][ T1167] __sys_sendmsg+0xcd/0x170 [ 870.756762][ T1167] do_syscall_64+0xc6/0x1e0 [ 870.756762][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.756762][ T1167] [ 870.758495][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 870.758495][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 870.758495][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 870.758495][ T1167] ipv6_find_idev+0x102/0x170 [ 870.758495][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 870.758495][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.758495][ T1167] netlink_rcv_skb+0x130/0x360 [ 870.758495][ T1167] netlink_unicast+0x449/0x710 [ 870.758495][ T1167] netlink_sendmsg+0x723/0xbe0 [ 870.758495][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 870.758495][ T1167] ___sys_sendmsg+0xee/0x170 [ 870.758495][ T1167] __sys_sendmsg+0xcd/0x170 [ 870.758495][ T1167] do_syscall_64+0xc6/0x1e0 [ 870.758495][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.758495][ T1167] [ 880.641166][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 880.641759][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 880.641759][ T10] netdev_get_by_index+0x5e/0x80 [ 880.641759][ T10] fib6_nh_init+0x3d8/0x1580 [ 880.641759][ T10] ip6_route_info_create+0xf18/0x17d0 [ 880.641759][ T10] addrconf_f6i_alloc+0x265/0x560 [ 880.641759][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 880.641759][ T10] addrconf_join_anycast+0x1c0/0x220 [ 880.641759][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 880.641759][ T10] addrconf_dad_completed+0x12b/0xe20 [ 880.641759][ T10] addrconf_dad_begin+0x310/0x670 [ 880.641759][ T10] addrconf_dad_work+0x10b/0xab0 [ 880.641759][ T10] process_one_work+0x84d/0x18a0 [ 880.641759][ T10] worker_thread+0x587/0xd30 [ 880.641759][ T10] kthread+0x28a/0x350 [ 880.641759][ T10] ret_from_fork+0x31/0x70 [ 880.641759][ T10] ret_from_fork_asm+0x1a/0x30 [ 880.641759][ T10] [ 880.644852][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 880.644852][ T10] netdev_get_by_index+0x5e/0x80 [ 880.644852][ T10] fib6_nh_init+0x3d8/0x1580 [ 880.644852][ T10] ip6_route_info_create+0xf18/0x17d0 [ 880.644852][ T10] ip6_route_add+0x1c/0x140 [ 880.644852][ T10] addrconf_prefix_route+0x2a6/0x430 [ 880.644852][ T10] inet6_addr_add+0x4f8/0xa40 [ 880.644852][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 880.644852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.644852][ T10] netlink_rcv_skb+0x130/0x360 [ 880.644852][ T10] netlink_unicast+0x449/0x710 [ 880.644852][ T10] netlink_sendmsg+0x723/0xbe0 [ 880.644852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 880.644852][ T10] ___sys_sendmsg+0xee/0x170 [ 880.644852][ T10] __sys_sendmsg+0xcd/0x170 [ 880.644852][ T10] do_syscall_64+0xc6/0x1e0 [ 880.644852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 880.644852][ T10] [ 880.647935][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 880.647935][ T10] netdev_get_by_index+0x5e/0x80 [ 880.647935][ T10] fib6_nh_init+0x3d8/0x1580 [ 880.647935][ T10] ip6_route_info_create+0xf18/0x17d0 [ 880.647935][ T10] addrconf_f6i_alloc+0x315/0x560 [ 880.647935][ T10] ipv6_add_addr+0x411/0x2000 [ 880.647935][ T10] inet6_addr_add+0x30e/0xa40 [ 880.647935][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 880.647935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.647935][ T10] netlink_rcv_skb+0x130/0x360 [ 880.647935][ T10] netlink_unicast+0x449/0x710 [ 880.647935][ T10] netlink_sendmsg+0x723/0xbe0 [ 880.647935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 880.647935][ T10] ___sys_sendmsg+0xee/0x170 [ 880.647935][ T10] __sys_sendmsg+0xcd/0x170 [ 880.647935][ T10] do_syscall_64+0xc6/0x1e0 [ 880.647935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 880.647935][ T10] [ 880.650987][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 880.650987][ T10] netdev_get_by_index+0x5e/0x80 [ 880.650987][ T10] fib6_nh_init+0x3d8/0x1580 [ 880.650987][ T10] ip6_route_info_create+0xf18/0x17d0 [ 880.650987][ T10] ip6_route_add+0x1c/0x140 [ 880.650987][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 880.650987][ T10] addrconf_add_dev+0xe2/0x170 [ 880.650987][ T10] inet6_addr_add+0x12f/0xa40 [ 880.650987][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 880.650987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.650987][ T10] netlink_rcv_skb+0x130/0x360 [ 880.650987][ T10] netlink_unicast+0x449/0x710 [ 880.650987][ T10] netlink_sendmsg+0x723/0xbe0 [ 880.650987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 880.650987][ T10] ___sys_sendmsg+0xee/0x170 [ 880.650987][ T10] __sys_sendmsg+0xcd/0x170 [ 880.650987][ T10] do_syscall_64+0xc6/0x1e0 [ 880.650987][ T10] [ 880.654796][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 880.654796][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 880.654796][ T10] ipv6_find_idev+0x102/0x170 [ 880.654796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 880.654796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.654796][ T10] netlink_rcv_skb+0x130/0x360 [ 880.654796][ T10] netlink_unicast+0x449/0x710 [ 880.654796][ T10] netlink_sendmsg+0x723/0xbe0 [ 880.654796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 880.654796][ T10] ___sys_sendmsg+0xee/0x170 [ 880.654796][ T10] __sys_sendmsg+0xcd/0x170 [ 880.654796][ T10] do_syscall_64+0xc6/0x1e0 [ 880.654796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 880.654796][ T10] [ 880.657177][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 880.657177][ T10] neigh_parms_alloc+0x1e5/0x510 [ 880.657177][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 880.657177][ T10] ipv6_find_idev+0x102/0x170 [ 880.657177][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 880.657177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.657177][ T10] netlink_rcv_skb+0x130/0x360 [ 880.657177][ T10] netlink_unicast+0x449/0x710 [ 880.657177][ T10] netlink_sendmsg+0x723/0xbe0 [ 880.657177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 880.657177][ T10] ___sys_sendmsg+0xee/0x170 [ 880.657177][ T10] __sys_sendmsg+0xcd/0x170 [ 880.657177][ T10] do_syscall_64+0xc6/0x1e0 [ 880.657177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 880.657177][ T10] [ 880.659872][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 880.660294][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 880.660294][ T10] netdev_get_by_index+0x5e/0x80 [ 880.660294][ T10] fib6_nh_init+0x3d8/0x1580 [ 880.660294][ T10] ip6_route_info_create+0xf18/0x17d0 [ 880.660294][ T10] addrconf_f6i_alloc+0x265/0x560 [ 880.660294][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 880.660294][ T10] addrconf_join_anycast+0x1c0/0x220 [ 880.660294][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 880.660294][ T10] addrconf_dad_completed+0x12b/0xe20 [ 880.660294][ T10] addrconf_dad_begin+0x310/0x670 [ 880.660294][ T10] addrconf_dad_work+0x10b/0xab0 [ 880.660294][ T10] process_one_work+0x84d/0x18a0 [ 880.660294][ T10] worker_thread+0x587/0xd30 [ 880.660294][ T10] kthread+0x28a/0x350 [ 880.660294][ T10] ret_from_fork+0x31/0x70 [ 880.660294][ T10] ret_from_fork_asm+0x1a/0x30 [ 880.660294][ T10] [ 880.663271][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 880.663271][ T10] netdev_get_by_index+0x5e/0x80 [ 880.663271][ T10] fib6_nh_init+0x3d8/0x1580 [ 880.663271][ T10] ip6_route_info_create+0xf18/0x17d0 [ 880.663271][ T10] ip6_route_add+0x1c/0x140 [ 880.663271][ T10] addrconf_prefix_route+0x2a6/0x430 [ 880.663271][ T10] inet6_addr_add+0x4f8/0xa40 [ 880.663271][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 880.663271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.663271][ T10] netlink_rcv_skb+0x130/0x360 [ 880.663271][ T10] netlink_unicast+0x449/0x710 [ 880.663271][ T10] netlink_sendmsg+0x723/0xbe0 [ 880.663271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 880.663271][ T10] ___sys_sendmsg+0xee/0x170 [ 880.663271][ T10] __sys_sendmsg+0xcd/0x170 [ 880.663271][ T10] do_syscall_64+0xc6/0x1e0 [ 880.663271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 880.663271][ T10] [ 880.666421][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 880.666421][ T10] netdev_get_by_index+0x5e/0x80 [ 880.666421][ T10] fib6_nh_init+0x3d8/0x1580 [ 880.666421][ T10] ip6_route_info_create+0xf18/0x17d0 [ 880.666421][ T10] addrconf_f6i_alloc+0x315/0x560 [ 880.666421][ T10] ipv6_add_addr+0x411/0x2000 [ 880.666421][ T10] inet6_addr_add+0x30e/0xa40 [ 880.666421][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 880.666421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.666421][ T10] netlink_rcv_skb+0x130/0x360 [ 880.666421][ T10] netlink_unicast+0x449/0x710 [ 880.666421][ T10] netlink_sendmsg+0x723/0xbe0 [ 880.666421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 880.666421][ T10] ___sys_sendmsg+0xee/0x170 [ 880.666421][ T10] __sys_sendmsg+0xcd/0x170 [ 880.666421][ T10] do_syscall_64+0xc6/0x1e0 [ 880.666421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 880.666421][ T10] [ 880.669566][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 880.669566][ T10] netdev_get_by_index+0x5e/0x80 [ 880.669566][ T10] fib6_nh_init+0x3d8/0x1580 [ 880.669566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 880.669566][ T10] ip6_route_add+0x1c/0x140 [ 880.669566][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 880.669566][ T10] addrconf_add_dev+0xe2/0x170 [ 880.669566][ T10] inet6_addr_add+0x12f/0xa40 [ 880.669566][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 880.669566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.669566][ T10] netlink_rcv_skb+0x130/0x360 [ 880.669566][ T10] netlink_unicast+0x449/0x710 [ 880.669566][ T10] netlink_sendmsg+0x723/0xbe0 [ 880.669566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 880.669566][ T10] ___sys_sendmsg+0xee/0x170 [ 880.669566][ T10] __sys_sendmsg+0xcd/0x170 [ 880.669566][ T10] do_syscall_64+0xc6/0x1e0 [ 880.669566][ T10] [ 880.672655][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 880.672655][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 880.672655][ T10] ipv6_find_idev+0x102/0x170 [ 880.672655][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 880.672655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.672655][ T10] netlink_rcv_skb+0x130/0x360 [ 880.672655][ T10] netlink_unicast+0x449/0x710 [ 880.672655][ T10] netlink_sendmsg+0x723/0xbe0 [ 880.672655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 880.672655][ T10] ___sys_sendmsg+0xee/0x170 [ 880.672655][ T10] __sys_sendmsg+0xcd/0x170 [ 880.672655][ T10] do_syscall_64+0xc6/0x1e0 [ 880.672655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 880.672655][ T10] [ 880.675088][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 880.675088][ T10] neigh_parms_alloc+0x1e5/0x510 [ 880.675088][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 880.675088][ T10] ipv6_find_idev+0x102/0x170 [ 880.675088][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 880.675088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.675088][ T10] netlink_rcv_skb+0x130/0x360 [ 880.675088][ T10] netlink_unicast+0x449/0x710 [ 880.675088][ T10] netlink_sendmsg+0x723/0xbe0 [ 880.675088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 880.675088][ T10] ___sys_sendmsg+0xee/0x170 [ 880.675088][ T10] __sys_sendmsg+0xcd/0x170 [ 880.675088][ T10] do_syscall_64+0xc6/0x1e0 [ 880.675088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 880.675088][ T10] [ 880.677680][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 880.678050][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 880.678050][ T10] netdev_get_by_index+0x5e/0x80 [ 880.678050][ T10] fib6_nh_init+0x3d8/0x1580 [ 880.678050][ T10] ip6_route_info_create+0xf18/0x17d0 [ 880.678050][ T10] addrconf_f6i_alloc+0x265/0x560 [ 880.678050][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 880.678050][ T10] addrconf_join_anycast+0x1c0/0x220 [ 880.678050][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 880.678050][ T10] addrconf_dad_completed+0x12b/0xe20 [ 880.678050][ T10] addrconf_dad_begin+0x310/0x670 [ 880.678050][ T10] addrconf_dad_work+0x10b/0xab0 [ 880.678050][ T10] process_one_work+0x84d/0x18a0 [ 880.678050][ T10] worker_thread+0x587/0xd30 [ 880.678050][ T10] kthread+0x28a/0x350 [ 880.678050][ T10] ret_from_fork+0x31/0x70 [ 880.678050][ T10] ret_from_fork_asm+0x1a/0x30 [ 880.678050][ T10] [ 880.680908][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 880.680908][ T10] netdev_get_by_index+0x5e/0x80 [ 880.680908][ T10] fib6_nh_init+0x3d8/0x1580 [ 880.680908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 880.680908][ T10] ip6_route_add+0x1c/0x140 [ 880.680908][ T10] addrconf_prefix_route+0x2a6/0x430 [ 880.680908][ T10] inet6_addr_add+0x4f8/0xa40 [ 880.680908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 880.680908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.680908][ T10] netlink_rcv_skb+0x130/0x360 [ 880.680908][ T10] netlink_unicast+0x449/0x710 [ 880.680908][ T10] netlink_sendmsg+0x723/0xbe0 [ 880.680908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 880.680908][ T10] ___sys_sendmsg+0xee/0x170 [ 880.680908][ T10] __sys_sendmsg+0xcd/0x170 [ 880.680908][ T10] do_syscall_64+0xc6/0x1e0 [ 880.680908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 880.680908][ T10] [ 880.684338][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 880.684338][ T10] netdev_get_by_index+0x5e/0x80 [ 880.684338][ T10] fib6_nh_init+0x3d8/0x1580 [ 880.684338][ T10] ip6_route_info_create+0xf18/0x17d0 [ 880.684338][ T10] addrconf_f6i_alloc+0x315/0x560 [ 880.684338][ T10] ipv6_add_addr+0x411/0x2000 [ 880.684338][ T10] inet6_addr_add+0x30e/0xa40 [ 880.684338][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 880.684338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.684338][ T10] netlink_rcv_skb+0x130/0x360 [ 880.684338][ T10] netlink_unicast+0x449/0x710 [ 880.684338][ T10] netlink_sendmsg+0x723/0xbe0 [ 880.684338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 880.684338][ T10] ___sys_sendmsg+0xee/0x170 [ 880.684338][ T10] __sys_sendmsg+0xcd/0x170 [ 880.684338][ T10] do_syscall_64+0xc6/0x1e0 [ 880.684338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 880.684338][ T10] [ 880.687807][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 880.687807][ T10] netdev_get_by_index+0x5e/0x80 [ 880.687807][ T10] fib6_nh_init+0x3d8/0x1580 [ 880.687807][ T10] ip6_route_info_create+0xf18/0x17d0 [ 880.687807][ T10] ip6_route_add+0x1c/0x140 [ 880.687807][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 880.687807][ T10] addrconf_add_dev+0xe2/0x170 [ 880.687807][ T10] inet6_addr_add+0x12f/0xa40 [ 880.687807][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 880.687807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.687807][ T10] netlink_rcv_skb+0x130/0x360 [ 880.687807][ T10] netlink_unicast+0x449/0x710 [ 880.687807][ T10] netlink_sendmsg+0x723/0xbe0 [ 880.687807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 880.687807][ T10] ___sys_sendmsg+0xee/0x170 [ 880.687807][ T10] __sys_sendmsg+0xcd/0x170 [ 880.687807][ T10] do_syscall_64+0xc6/0x1e0 [ 880.687807][ T10] [ 880.691430][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 880.691430][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 880.691430][ T10] ipv6_find_idev+0x102/0x170 [ 880.691430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 880.691430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.691430][ T10] netlink_rcv_skb+0x130/0x360 [ 880.691430][ T10] netlink_unicast+0x449/0x710 [ 880.691430][ T10] netlink_sendmsg+0x723/0xbe0 [ 880.691430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 880.691430][ T10] ___sys_sendmsg+0xee/0x170 [ 880.691430][ T10] __sys_sendmsg+0xcd/0x170 [ 880.691430][ T10] do_syscall_64+0xc6/0x1e0 [ 880.691430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 880.691430][ T10] [ 880.694173][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 880.694173][ T10] neigh_parms_alloc+0x1e5/0x510 [ 880.694173][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 880.694173][ T10] ipv6_find_idev+0x102/0x170 [ 880.694173][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 880.694173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.694173][ T10] netlink_rcv_skb+0x130/0x360 [ 880.694173][ T10] netlink_unicast+0x449/0x710 [ 880.694173][ T10] netlink_sendmsg+0x723/0xbe0 [ 880.694173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 880.694173][ T10] ___sys_sendmsg+0xee/0x170 [ 880.694173][ T10] __sys_sendmsg+0xcd/0x170 [ 880.694173][ T10] do_syscall_64+0xc6/0x1e0 [ 880.694173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 880.694173][ T10] [ 880.697139][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 880.697524][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 880.697524][ T10] netdev_get_by_index+0x5e/0x80 [ 880.697524][ T10] fib6_nh_init+0x3d8/0x1580 [ 880.697524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 880.697524][ T10] addrconf_f6i_alloc+0x265/0x560 [ 880.697524][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 880.697524][ T10] addrconf_join_anycast+0x1c0/0x220 [ 880.697524][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 880.697524][ T10] addrconf_dad_completed+0x12b/0xe20 [ 880.697524][ T10] addrconf_dad_begin+0x310/0x670 [ 880.697524][ T10] addrconf_dad_work+0x10b/0xab0 [ 880.697524][ T10] process_one_work+0x84d/0x18a0 [ 880.697524][ T10] worker_thread+0x587/0xd30 [ 880.697524][ T10] kthread+0x28a/0x350 [ 880.697524][ T10] ret_from_fork+0x31/0x70 [ 880.697524][ T10] ret_from_fork_asm+0x1a/0x30 [ 880.697524][ T10] [ 880.700915][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 880.700915][ T10] netdev_get_by_index+0x5e/0x80 [ 880.700915][ T10] fib6_nh_init+0x3d8/0x1580 [ 880.700915][ T10] ip6_route_info_create+0xf18/0x17d0 [ 880.700915][ T10] ip6_route_add+0x1c/0x140 [ 880.700915][ T10] addrconf_prefix_route+0x2a6/0x430 [ 880.700915][ T10] inet6_addr_add+0x4f8/0xa40 [ 880.700915][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 880.700915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.700915][ T10] netlink_rcv_skb+0x130/0x360 [ 880.700915][ T10] netlink_unicast+0x449/0x710 [ 880.700915][ T10] netlink_sendmsg+0x723/0xbe0 [ 880.700915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 880.700915][ T10] ___sys_sendmsg+0xee/0x170 [ 880.700915][ T10] __sys_sendmsg+0xcd/0x170 [ 880.700915][ T10] do_syscall_64+0xc6/0x1e0 [ 880.700915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 880.700915][ T10] [ 880.704431][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 880.704431][ T10] netdev_get_by_index+0x5e/0x80 [ 880.704431][ T10] fib6_nh_init+0x3d8/0x1580 [ 880.704431][ T10] ip6_route_info_create+0xf18/0x17d0 [ 880.704431][ T10] addrconf_f6i_alloc+0x315/0x560 [ 880.704431][ T10] ipv6_add_addr+0x411/0x2000 [ 880.704431][ T10] inet6_addr_add+0x30e/0xa40 [ 880.704431][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 880.704431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.704431][ T10] netlink_rcv_skb+0x130/0x360 [ 880.704431][ T10] netlink_unicast+0x449/0x710 [ 880.704431][ T10] netlink_sendmsg+0x723/0xbe0 [ 880.704431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 880.704431][ T10] ___sys_sendmsg+0xee/0x170 [ 880.704431][ T10] __sys_sendmsg+0xcd/0x170 [ 880.704431][ T10] do_syscall_64+0xc6/0x1e0 [ 880.704431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 880.704431][ T10] [ 880.707929][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 880.707929][ T10] netdev_get_by_index+0x5e/0x80 [ 880.707929][ T10] fib6_nh_init+0x3d8/0x1580 [ 880.707929][ T10] ip6_route_info_create+0xf18/0x17d0 [ 880.707929][ T10] ip6_route_add+0x1c/0x140 [ 880.707929][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 880.707929][ T10] addrconf_add_dev+0xe2/0x170 [ 880.707929][ T10] inet6_addr_add+0x12f/0xa40 [ 880.707929][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 880.707929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.707929][ T10] netlink_rcv_skb+0x130/0x360 [ 880.707929][ T10] netlink_unicast+0x449/0x710 [ 880.707929][ T10] netlink_sendmsg+0x723/0xbe0 [ 880.707929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 880.707929][ T10] ___sys_sendmsg+0xee/0x170 [ 880.707929][ T10] __sys_sendmsg+0xcd/0x170 [ 880.707929][ T10] do_syscall_64+0xc6/0x1e0 [ 880.707929][ T10] [ 880.711394][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 880.711394][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 880.711394][ T10] ipv6_find_idev+0x102/0x170 [ 880.711394][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 880.711394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.711394][ T10] netlink_rcv_skb+0x130/0x360 [ 880.711394][ T10] netlink_unicast+0x449/0x710 [ 880.711394][ T10] netlink_sendmsg+0x723/0xbe0 [ 880.711394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 880.711394][ T10] ___sys_sendmsg+0xee/0x170 [ 880.711394][ T10] __sys_sendmsg+0xcd/0x170 [ 880.711394][ T10] do_syscall_64+0xc6/0x1e0 [ 880.711394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 880.711394][ T10] [ 880.714022][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 880.714022][ T10] neigh_parms_alloc+0x1e5/0x510 [ 880.714022][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 880.714022][ T10] ipv6_find_idev+0x102/0x170 [ 880.714022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 880.714022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.714022][ T10] netlink_rcv_skb+0x130/0x360 [ 880.714022][ T10] netlink_unicast+0x449/0x710 [ 880.714022][ T10] netlink_sendmsg+0x723/0xbe0 [ 880.714022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 880.714022][ T10] ___sys_sendmsg+0xee/0x170 [ 880.714022][ T10] __sys_sendmsg+0xcd/0x170 [ 880.714022][ T10] do_syscall_64+0xc6/0x1e0 [ 880.714022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 880.714022][ T10] [ 880.897231][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 880.897781][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 880.897781][ T1167] dst_init+0x84/0x4a0 [ 880.897781][ T1167] dst_alloc+0x97/0x150 [ 880.897781][ T1167] ip6_dst_alloc+0x23/0x90 [ 880.897781][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 880.897781][ T1167] ip6_pol_route+0x56f/0x840 [ 880.897781][ T1167] fib6_rule_lookup+0x334/0x630 [ 880.897781][ T1167] ip6_route_output_flags+0x259/0x480 [ 880.897781][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 880.897781][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 880.897781][ T1167] netlink_rcv_skb+0x130/0x360 [ 880.897781][ T1167] netlink_unicast+0x449/0x710 [ 880.897781][ T1167] netlink_sendmsg+0x723/0xbe0 [ 880.897781][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 880.897781][ T1167] ___sys_sendmsg+0xee/0x170 [ 880.897781][ T1167] __sys_sendmsg+0xcd/0x170 [ 880.897781][ T1167] do_syscall_64+0xc6/0x1e0 [ 880.897781][ T1167] [ 880.900047][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 880.900047][ T1167] netdev_get_by_index+0x5e/0x80 [ 880.900047][ T1167] fib6_nh_init+0x3d8/0x1580 [ 880.900047][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 880.900047][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 880.900047][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 880.900047][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 880.900047][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 880.900047][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 880.900047][ T1167] addrconf_dad_begin+0x310/0x670 [ 880.900047][ T1167] addrconf_dad_work+0x10b/0xab0 [ 880.900047][ T1167] process_one_work+0x84d/0x18a0 [ 880.900047][ T1167] worker_thread+0x587/0xd30 [ 880.900047][ T1167] kthread+0x28a/0x350 [ 880.900047][ T1167] ret_from_fork+0x31/0x70 [ 880.900047][ T1167] ret_from_fork_asm+0x1a/0x30 [ 880.900047][ T1167] [ 880.902218][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 880.902218][ T1167] netdev_get_by_index+0x5e/0x80 [ 880.902218][ T1167] fib6_nh_init+0x3d8/0x1580 [ 880.902218][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 880.902218][ T1167] ip6_route_add+0x1c/0x140 [ 880.902218][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 880.902218][ T1167] inet6_addr_add+0x4f8/0xa40 [ 880.902218][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 880.902218][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.902218][ T1167] netlink_rcv_skb+0x130/0x360 [ 880.902218][ T1167] netlink_unicast+0x449/0x710 [ 880.902218][ T1167] netlink_sendmsg+0x723/0xbe0 [ 880.902218][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 880.902218][ T1167] ___sys_sendmsg+0xee/0x170 [ 880.902218][ T1167] __sys_sendmsg+0xcd/0x170 [ 880.902218][ T1167] do_syscall_64+0xc6/0x1e0 [ 880.902218][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 880.902218][ T1167] [ 880.904488][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 880.904488][ T1167] netdev_get_by_index+0x5e/0x80 [ 880.904488][ T1167] fib6_nh_init+0x3d8/0x1580 [ 880.904488][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 880.904488][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 880.904488][ T1167] ipv6_add_addr+0x411/0x2000 [ 880.904488][ T1167] inet6_addr_add+0x30e/0xa40 [ 880.904488][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 880.904488][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.904488][ T1167] netlink_rcv_skb+0x130/0x360 [ 880.904488][ T1167] netlink_unicast+0x449/0x710 [ 880.904488][ T1167] netlink_sendmsg+0x723/0xbe0 [ 880.904488][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 880.904488][ T1167] ___sys_sendmsg+0xee/0x170 [ 880.904488][ T1167] __sys_sendmsg+0xcd/0x170 [ 880.904488][ T1167] do_syscall_64+0xc6/0x1e0 [ 880.904488][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 880.904488][ T1167] [ 880.906747][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 880.906747][ T1167] netdev_get_by_index+0x5e/0x80 [ 880.906747][ T1167] fib6_nh_init+0x3d8/0x1580 [ 880.906747][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 880.906747][ T1167] ip6_route_add+0x1c/0x140 [ 880.906747][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 880.906747][ T1167] addrconf_add_dev+0xe2/0x170 [ 880.906747][ T1167] inet6_addr_add+0x12f/0xa40 [ 880.906747][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 880.906747][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.906747][ T1167] netlink_rcv_skb+0x130/0x360 [ 880.906747][ T1167] netlink_unicast+0x449/0x710 [ 880.906747][ T1167] netlink_sendmsg+0x723/0xbe0 [ 880.906747][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 880.906747][ T1167] ___sys_sendmsg+0xee/0x170 [ 880.906747][ T1167] __sys_sendmsg+0xcd/0x170 [ 880.906747][ T1167] do_syscall_64+0xc6/0x1e0 [ 880.906747][ T1167] [ 880.908981][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 880.908981][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 880.908981][ T1167] ipv6_find_idev+0x102/0x170 [ 880.908981][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 880.908981][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.908981][ T1167] netlink_rcv_skb+0x130/0x360 [ 880.908981][ T1167] netlink_unicast+0x449/0x710 [ 880.908981][ T1167] netlink_sendmsg+0x723/0xbe0 [ 880.908981][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 880.908981][ T1167] ___sys_sendmsg+0xee/0x170 [ 880.908981][ T1167] __sys_sendmsg+0xcd/0x170 [ 880.908981][ T1167] do_syscall_64+0xc6/0x1e0 [ 880.908981][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 880.908981][ T1167] [ 880.910722][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 880.910722][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 880.910722][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 880.910722][ T1167] ipv6_find_idev+0x102/0x170 [ 880.910722][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 880.910722][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.910722][ T1167] netlink_rcv_skb+0x130/0x360 [ 880.910722][ T1167] netlink_unicast+0x449/0x710 [ 880.910722][ T1167] netlink_sendmsg+0x723/0xbe0 [ 880.910722][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 880.910722][ T1167] ___sys_sendmsg+0xee/0x170 [ 880.910722][ T1167] __sys_sendmsg+0xcd/0x170 [ 880.910722][ T1167] do_syscall_64+0xc6/0x1e0 [ 880.910722][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 880.910722][ T1167] [ 890.793202][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 890.793585][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 890.793585][ T10] netdev_get_by_index+0x5e/0x80 [ 890.793585][ T10] fib6_nh_init+0x3d8/0x1580 [ 890.793585][ T10] ip6_route_info_create+0xf18/0x17d0 [ 890.793585][ T10] addrconf_f6i_alloc+0x265/0x560 [ 890.793585][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 890.793585][ T10] addrconf_join_anycast+0x1c0/0x220 [ 890.793585][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 890.793585][ T10] addrconf_dad_completed+0x12b/0xe20 [ 890.793585][ T10] addrconf_dad_begin+0x310/0x670 [ 890.793585][ T10] addrconf_dad_work+0x10b/0xab0 [ 890.793585][ T10] process_one_work+0x84d/0x18a0 [ 890.793585][ T10] worker_thread+0x587/0xd30 [ 890.793585][ T10] kthread+0x28a/0x350 [ 890.793585][ T10] ret_from_fork+0x31/0x70 [ 890.793585][ T10] ret_from_fork_asm+0x1a/0x30 [ 890.793585][ T10] [ 890.795649][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 890.795649][ T10] netdev_get_by_index+0x5e/0x80 [ 890.795649][ T10] fib6_nh_init+0x3d8/0x1580 [ 890.795649][ T10] ip6_route_info_create+0xf18/0x17d0 [ 890.795649][ T10] ip6_route_add+0x1c/0x140 [ 890.795649][ T10] addrconf_prefix_route+0x2a6/0x430 [ 890.795649][ T10] inet6_addr_add+0x4f8/0xa40 [ 890.795649][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 890.795649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 890.795649][ T10] netlink_rcv_skb+0x130/0x360 [ 890.795649][ T10] netlink_unicast+0x449/0x710 [ 890.795649][ T10] netlink_sendmsg+0x723/0xbe0 [ 890.795649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 890.795649][ T10] ___sys_sendmsg+0xee/0x170 [ 890.795649][ T10] __sys_sendmsg+0xcd/0x170 [ 890.795649][ T10] do_syscall_64+0xc6/0x1e0 [ 890.795649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 890.795649][ T10] [ 890.797657][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 890.797657][ T10] netdev_get_by_index+0x5e/0x80 [ 890.797657][ T10] fib6_nh_init+0x3d8/0x1580 [ 890.797657][ T10] ip6_route_info_create+0xf18/0x17d0 [ 890.797657][ T10] addrconf_f6i_alloc+0x315/0x560 [ 890.797657][ T10] ipv6_add_addr+0x411/0x2000 [ 890.797657][ T10] inet6_addr_add+0x30e/0xa40 [ 890.797657][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 890.797657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 890.797657][ T10] netlink_rcv_skb+0x130/0x360 [ 890.797657][ T10] netlink_unicast+0x449/0x710 [ 890.797657][ T10] netlink_sendmsg+0x723/0xbe0 [ 890.797657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 890.797657][ T10] ___sys_sendmsg+0xee/0x170 [ 890.797657][ T10] __sys_sendmsg+0xcd/0x170 [ 890.797657][ T10] do_syscall_64+0xc6/0x1e0 [ 890.797657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 890.797657][ T10] [ 890.799666][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 890.799666][ T10] netdev_get_by_index+0x5e/0x80 [ 890.799666][ T10] fib6_nh_init+0x3d8/0x1580 [ 890.799666][ T10] ip6_route_info_create+0xf18/0x17d0 [ 890.799666][ T10] ip6_route_add+0x1c/0x140 [ 890.799666][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 890.799666][ T10] addrconf_add_dev+0xe2/0x170 [ 890.799666][ T10] inet6_addr_add+0x12f/0xa40 [ 890.799666][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 890.799666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 890.799666][ T10] netlink_rcv_skb+0x130/0x360 [ 890.799666][ T10] netlink_unicast+0x449/0x710 [ 890.799666][ T10] netlink_sendmsg+0x723/0xbe0 [ 890.799666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 890.799666][ T10] ___sys_sendmsg+0xee/0x170 [ 890.799666][ T10] __sys_sendmsg+0xcd/0x170 [ 890.799666][ T10] do_syscall_64+0xc6/0x1e0 [ 890.799666][ T10] [ 890.801650][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 890.801650][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 890.801650][ T10] ipv6_find_idev+0x102/0x170 [ 890.801650][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 890.801650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 890.801650][ T10] netlink_rcv_skb+0x130/0x360 [ 890.801650][ T10] netlink_unicast+0x449/0x710 [ 890.801650][ T10] netlink_sendmsg+0x723/0xbe0 [ 890.801650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 890.801650][ T10] ___sys_sendmsg+0xee/0x170 [ 890.801650][ T10] __sys_sendmsg+0xcd/0x170 [ 890.801650][ T10] do_syscall_64+0xc6/0x1e0 [ 890.801650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 890.801650][ T10] [ 890.803202][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 890.803202][ T10] neigh_parms_alloc+0x1e5/0x510 [ 890.803202][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 890.803202][ T10] ipv6_find_idev+0x102/0x170 [ 890.803202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 890.803202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 890.803202][ T10] netlink_rcv_skb+0x130/0x360 [ 890.803202][ T10] netlink_unicast+0x449/0x710 [ 890.803202][ T10] netlink_sendmsg+0x723/0xbe0 [ 890.803202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 890.803202][ T10] ___sys_sendmsg+0xee/0x170 [ 890.803202][ T10] __sys_sendmsg+0xcd/0x170 [ 890.803202][ T10] do_syscall_64+0xc6/0x1e0 [ 890.803202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 890.803202][ T10] [ 890.804917][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 890.805184][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 890.805184][ T10] netdev_get_by_index+0x5e/0x80 [ 890.805184][ T10] fib6_nh_init+0x3d8/0x1580 [ 890.805184][ T10] ip6_route_info_create+0xf18/0x17d0 [ 890.805184][ T10] addrconf_f6i_alloc+0x265/0x560 [ 890.805184][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 890.805184][ T10] addrconf_join_anycast+0x1c0/0x220 [ 890.805184][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 890.805184][ T10] addrconf_dad_completed+0x12b/0xe20 [ 890.805184][ T10] addrconf_dad_begin+0x310/0x670 [ 890.805184][ T10] addrconf_dad_work+0x10b/0xab0 [ 890.805184][ T10] process_one_work+0x84d/0x18a0 [ 890.805184][ T10] worker_thread+0x587/0xd30 [ 890.805184][ T10] kthread+0x28a/0x350 [ 890.805184][ T10] ret_from_fork+0x31/0x70 [ 890.805184][ T10] ret_from_fork_asm+0x1a/0x30 [ 890.805184][ T10] [ 890.807092][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 890.807092][ T10] netdev_get_by_index+0x5e/0x80 [ 890.807092][ T10] fib6_nh_init+0x3d8/0x1580 [ 890.807092][ T10] ip6_route_info_create+0xf18/0x17d0 [ 890.807092][ T10] ip6_route_add+0x1c/0x140 [ 890.807092][ T10] addrconf_prefix_route+0x2a6/0x430 [ 890.807092][ T10] inet6_addr_add+0x4f8/0xa40 [ 890.807092][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 890.807092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 890.807092][ T10] netlink_rcv_skb+0x130/0x360 [ 890.807092][ T10] netlink_unicast+0x449/0x710 [ 890.807092][ T10] netlink_sendmsg+0x723/0xbe0 [ 890.807092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 890.807092][ T10] ___sys_sendmsg+0xee/0x170 [ 890.807092][ T10] __sys_sendmsg+0xcd/0x170 [ 890.807092][ T10] do_syscall_64+0xc6/0x1e0 [ 890.807092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 890.807092][ T10] [ 890.809082][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 890.809082][ T10] netdev_get_by_index+0x5e/0x80 [ 890.809082][ T10] fib6_nh_init+0x3d8/0x1580 [ 890.809082][ T10] ip6_route_info_create+0xf18/0x17d0 [ 890.809082][ T10] addrconf_f6i_alloc+0x315/0x560 [ 890.809082][ T10] ipv6_add_addr+0x411/0x2000 [ 890.809082][ T10] inet6_addr_add+0x30e/0xa40 [ 890.809082][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 890.809082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 890.809082][ T10] netlink_rcv_skb+0x130/0x360 [ 890.809082][ T10] netlink_unicast+0x449/0x710 [ 890.809082][ T10] netlink_sendmsg+0x723/0xbe0 [ 890.809082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 890.809082][ T10] ___sys_sendmsg+0xee/0x170 [ 890.809082][ T10] __sys_sendmsg+0xcd/0x170 [ 890.809082][ T10] do_syscall_64+0xc6/0x1e0 [ 890.809082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 890.809082][ T10] [ 890.811066][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 890.811066][ T10] netdev_get_by_index+0x5e/0x80 [ 890.811066][ T10] fib6_nh_init+0x3d8/0x1580 [ 890.811066][ T10] ip6_route_info_create+0xf18/0x17d0 [ 890.811066][ T10] ip6_route_add+0x1c/0x140 [ 890.811066][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 890.811066][ T10] addrconf_add_dev+0xe2/0x170 [ 890.811066][ T10] inet6_addr_add+0x12f/0xa40 [ 890.811066][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 890.811066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 890.811066][ T10] netlink_rcv_skb+0x130/0x360 [ 890.811066][ T10] netlink_unicast+0x449/0x710 [ 890.811066][ T10] netlink_sendmsg+0x723/0xbe0 [ 890.811066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 890.811066][ T10] ___sys_sendmsg+0xee/0x170 [ 890.811066][ T10] __sys_sendmsg+0xcd/0x170 [ 890.811066][ T10] do_syscall_64+0xc6/0x1e0 [ 890.811066][ T10] [ 890.813011][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 890.813011][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 890.813011][ T10] ipv6_find_idev+0x102/0x170 [ 890.813011][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 890.813011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 890.813011][ T10] netlink_rcv_skb+0x130/0x360 [ 890.813011][ T10] netlink_unicast+0x449/0x710 [ 890.813011][ T10] netlink_sendmsg+0x723/0xbe0 [ 890.813011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 890.813011][ T10] ___sys_sendmsg+0xee/0x170 [ 890.813011][ T10] __sys_sendmsg+0xcd/0x170 [ 890.813011][ T10] do_syscall_64+0xc6/0x1e0 [ 890.813011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 890.813011][ T10] [ 890.814558][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 890.814558][ T10] neigh_parms_alloc+0x1e5/0x510 [ 890.814558][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 890.814558][ T10] ipv6_find_idev+0x102/0x170 [ 890.814558][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 890.814558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 890.814558][ T10] netlink_rcv_skb+0x130/0x360 [ 890.814558][ T10] netlink_unicast+0x449/0x710 [ 890.814558][ T10] netlink_sendmsg+0x723/0xbe0 [ 890.814558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 890.814558][ T10] ___sys_sendmsg+0xee/0x170 [ 890.814558][ T10] __sys_sendmsg+0xcd/0x170 [ 890.814558][ T10] do_syscall_64+0xc6/0x1e0 [ 890.814558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 890.814558][ T10] [ 890.816237][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 890.816491][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 890.816491][ T10] netdev_get_by_index+0x5e/0x80 [ 890.816491][ T10] fib6_nh_init+0x3d8/0x1580 [ 890.816491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 890.816491][ T10] addrconf_f6i_alloc+0x265/0x560 [ 890.816491][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 890.816491][ T10] addrconf_join_anycast+0x1c0/0x220 [ 890.816491][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 890.816491][ T10] addrconf_dad_completed+0x12b/0xe20 [ 890.816491][ T10] addrconf_dad_begin+0x310/0x670 [ 890.816491][ T10] addrconf_dad_work+0x10b/0xab0 [ 890.816491][ T10] process_one_work+0x84d/0x18a0 [ 890.816491][ T10] worker_thread+0x587/0xd30 [ 890.816491][ T10] kthread+0x28a/0x350 [ 890.816491][ T10] ret_from_fork+0x31/0x70 [ 890.816491][ T10] ret_from_fork_asm+0x1a/0x30 [ 890.816491][ T10] [ 890.818381][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 890.818381][ T10] netdev_get_by_index+0x5e/0x80 [ 890.818381][ T10] fib6_nh_init+0x3d8/0x1580 [ 890.818381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 890.818381][ T10] ip6_route_add+0x1c/0x140 [ 890.818381][ T10] addrconf_prefix_route+0x2a6/0x430 [ 890.818381][ T10] inet6_addr_add+0x4f8/0xa40 [ 890.818381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 890.818381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 890.818381][ T10] netlink_rcv_skb+0x130/0x360 [ 890.818381][ T10] netlink_unicast+0x449/0x710 [ 890.818381][ T10] netlink_sendmsg+0x723/0xbe0 [ 890.818381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 890.818381][ T10] ___sys_sendmsg+0xee/0x170 [ 890.818381][ T10] __sys_sendmsg+0xcd/0x170 [ 890.818381][ T10] do_syscall_64+0xc6/0x1e0 [ 890.818381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 890.818381][ T10] [ 890.820546][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 890.820546][ T10] netdev_get_by_index+0x5e/0x80 [ 890.820546][ T10] fib6_nh_init+0x3d8/0x1580 [ 890.820546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 890.820546][ T10] addrconf_f6i_alloc+0x315/0x560 [ 890.820546][ T10] ipv6_add_addr+0x411/0x2000 [ 890.820546][ T10] inet6_addr_add+0x30e/0xa40 [ 890.820546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 890.820546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 890.820546][ T10] netlink_rcv_skb+0x130/0x360 [ 890.820546][ T10] netlink_unicast+0x449/0x710 [ 890.820546][ T10] netlink_sendmsg+0x723/0xbe0 [ 890.820546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 890.820546][ T10] ___sys_sendmsg+0xee/0x170 [ 890.820546][ T10] __sys_sendmsg+0xcd/0x170 [ 890.820546][ T10] do_syscall_64+0xc6/0x1e0 [ 890.820546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 890.820546][ T10] [ 890.822829][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 890.822829][ T10] netdev_get_by_index+0x5e/0x80 [ 890.822829][ T10] fib6_nh_init+0x3d8/0x1580 [ 890.822829][ T10] ip6_route_info_create+0xf18/0x17d0 [ 890.822829][ T10] ip6_route_add+0x1c/0x140 [ 890.822829][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 890.822829][ T10] addrconf_add_dev+0xe2/0x170 [ 890.822829][ T10] inet6_addr_add+0x12f/0xa40 [ 890.822829][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 890.822829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 890.822829][ T10] netlink_rcv_skb+0x130/0x360 [ 890.822829][ T10] netlink_unicast+0x449/0x710 [ 890.822829][ T10] netlink_sendmsg+0x723/0xbe0 [ 890.822829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 890.822829][ T10] ___sys_sendmsg+0xee/0x170 [ 890.822829][ T10] __sys_sendmsg+0xcd/0x170 [ 890.822829][ T10] do_syscall_64+0xc6/0x1e0 [ 890.822829][ T10] [ 890.825031][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 890.825031][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 890.825031][ T10] ipv6_find_idev+0x102/0x170 [ 890.825031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 890.825031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 890.825031][ T10] netlink_rcv_skb+0x130/0x360 [ 890.825031][ T10] netlink_unicast+0x449/0x710 [ 890.825031][ T10] netlink_sendmsg+0x723/0xbe0 [ 890.825031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 890.825031][ T10] ___sys_sendmsg+0xee/0x170 [ 890.825031][ T10] __sys_sendmsg+0xcd/0x170 [ 890.825031][ T10] do_syscall_64+0xc6/0x1e0 [ 890.825031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 890.825031][ T10] [ 890.826753][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 890.826753][ T10] neigh_parms_alloc+0x1e5/0x510 [ 890.826753][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 890.826753][ T10] ipv6_find_idev+0x102/0x170 [ 890.826753][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 890.826753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 890.826753][ T10] netlink_rcv_skb+0x130/0x360 [ 890.826753][ T10] netlink_unicast+0x449/0x710 [ 890.826753][ T10] netlink_sendmsg+0x723/0xbe0 [ 890.826753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 890.826753][ T10] ___sys_sendmsg+0xee/0x170 [ 890.826753][ T10] __sys_sendmsg+0xcd/0x170 [ 890.826753][ T10] do_syscall_64+0xc6/0x1e0 [ 890.826753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 890.826753][ T10] [ 890.828550][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 890.828789][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 890.828789][ T10] netdev_get_by_index+0x5e/0x80 [ 890.828789][ T10] fib6_nh_init+0x3d8/0x1580 [ 890.828789][ T10] ip6_route_info_create+0xf18/0x17d0 [ 890.828789][ T10] addrconf_f6i_alloc+0x265/0x560 [ 890.828789][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 890.828789][ T10] addrconf_join_anycast+0x1c0/0x220 [ 890.828789][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 890.828789][ T10] addrconf_dad_completed+0x12b/0xe20 [ 890.828789][ T10] addrconf_dad_begin+0x310/0x670 [ 890.828789][ T10] addrconf_dad_work+0x10b/0xab0 [ 890.828789][ T10] process_one_work+0x84d/0x18a0 [ 890.828789][ T10] worker_thread+0x587/0xd30 [ 890.828789][ T10] kthread+0x28a/0x350 [ 890.828789][ T10] ret_from_fork+0x31/0x70 [ 890.828789][ T10] ret_from_fork_asm+0x1a/0x30 [ 890.828789][ T10] [ 890.830923][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 890.830923][ T10] netdev_get_by_index+0x5e/0x80 [ 890.830923][ T10] fib6_nh_init+0x3d8/0x1580 [ 890.830923][ T10] ip6_route_info_create+0xf18/0x17d0 [ 890.830923][ T10] ip6_route_add+0x1c/0x140 [ 890.830923][ T10] addrconf_prefix_route+0x2a6/0x430 [ 890.830923][ T10] inet6_addr_add+0x4f8/0xa40 [ 890.830923][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 890.830923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 890.830923][ T10] netlink_rcv_skb+0x130/0x360 [ 890.830923][ T10] netlink_unicast+0x449/0x710 [ 890.830923][ T10] netlink_sendmsg+0x723/0xbe0 [ 890.830923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 890.830923][ T10] ___sys_sendmsg+0xee/0x170 [ 890.830923][ T10] __sys_sendmsg+0xcd/0x170 [ 890.830923][ T10] do_syscall_64+0xc6/0x1e0 [ 890.830923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 890.830923][ T10] [ 890.833216][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 890.833216][ T10] netdev_get_by_index+0x5e/0x80 [ 890.833216][ T10] fib6_nh_init+0x3d8/0x1580 [ 890.833216][ T10] ip6_route_info_create+0xf18/0x17d0 [ 890.833216][ T10] addrconf_f6i_alloc+0x315/0x560 [ 890.833216][ T10] ipv6_add_addr+0x411/0x2000 [ 890.833216][ T10] inet6_addr_add+0x30e/0xa40 [ 890.833216][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 890.833216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 890.833216][ T10] netlink_rcv_skb+0x130/0x360 [ 890.833216][ T10] netlink_unicast+0x449/0x710 [ 890.833216][ T10] netlink_sendmsg+0x723/0xbe0 [ 890.833216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 890.833216][ T10] ___sys_sendmsg+0xee/0x170 [ 890.833216][ T10] __sys_sendmsg+0xcd/0x170 [ 890.833216][ T10] do_syscall_64+0xc6/0x1e0 [ 890.833216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 890.833216][ T10] [ 890.835403][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 890.835403][ T10] netdev_get_by_index+0x5e/0x80 [ 890.835403][ T10] fib6_nh_init+0x3d8/0x1580 [ 890.835403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 890.835403][ T10] ip6_route_add+0x1c/0x140 [ 890.835403][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 890.835403][ T10] addrconf_add_dev+0xe2/0x170 [ 890.835403][ T10] inet6_addr_add+0x12f/0xa40 [ 890.835403][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 890.835403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 890.835403][ T10] netlink_rcv_skb+0x130/0x360 [ 890.835403][ T10] netlink_unicast+0x449/0x710 [ 890.835403][ T10] netlink_sendmsg+0x723/0xbe0 [ 890.835403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 890.835403][ T10] ___sys_sendmsg+0xee/0x170 [ 890.835403][ T10] __sys_sendmsg+0xcd/0x170 [ 890.835403][ T10] do_syscall_64+0xc6/0x1e0 [ 890.835403][ T10] [ 890.837597][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 890.837597][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 890.837597][ T10] ipv6_find_idev+0x102/0x170 [ 890.837597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 890.837597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 890.837597][ T10] netlink_rcv_skb+0x130/0x360 [ 890.837597][ T10] netlink_unicast+0x449/0x710 [ 890.837597][ T10] netlink_sendmsg+0x723/0xbe0 [ 890.837597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 890.837597][ T10] ___sys_sendmsg+0xee/0x170 [ 890.837597][ T10] __sys_sendmsg+0xcd/0x170 [ 890.837597][ T10] do_syscall_64+0xc6/0x1e0 [ 890.837597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 890.837597][ T10] [ 890.839300][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 890.839300][ T10] neigh_parms_alloc+0x1e5/0x510 [ 890.839300][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 890.839300][ T10] ipv6_find_idev+0x102/0x170 [ 890.839300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 890.839300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 890.839300][ T10] netlink_rcv_skb+0x130/0x360 [ 890.839300][ T10] netlink_unicast+0x449/0x710 [ 890.839300][ T10] netlink_sendmsg+0x723/0xbe0 [ 890.839300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 890.839300][ T10] ___sys_sendmsg+0xee/0x170 [ 890.839300][ T10] __sys_sendmsg+0xcd/0x170 [ 890.839300][ T10] do_syscall_64+0xc6/0x1e0 [ 890.839300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 890.839300][ T10] [ 891.049250][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 891.049796][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 891.049796][ T1167] dst_init+0x84/0x4a0 [ 891.049796][ T1167] dst_alloc+0x97/0x150 [ 891.049796][ T1167] ip6_dst_alloc+0x23/0x90 [ 891.049796][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 891.049796][ T1167] ip6_pol_route+0x56f/0x840 [ 891.049796][ T1167] fib6_rule_lookup+0x334/0x630 [ 891.049796][ T1167] ip6_route_output_flags+0x259/0x480 [ 891.049796][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 891.049796][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 891.049796][ T1167] netlink_rcv_skb+0x130/0x360 [ 891.049796][ T1167] netlink_unicast+0x449/0x710 [ 891.049796][ T1167] netlink_sendmsg+0x723/0xbe0 [ 891.049796][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 891.049796][ T1167] ___sys_sendmsg+0xee/0x170 [ 891.049796][ T1167] __sys_sendmsg+0xcd/0x170 [ 891.049796][ T1167] do_syscall_64+0xc6/0x1e0 [ 891.049796][ T1167] [ 891.052033][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 891.052033][ T1167] netdev_get_by_index+0x5e/0x80 [ 891.052033][ T1167] fib6_nh_init+0x3d8/0x1580 [ 891.052033][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 891.052033][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 891.052033][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 891.052033][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 891.052033][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 891.052033][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 891.052033][ T1167] addrconf_dad_begin+0x310/0x670 [ 891.052033][ T1167] addrconf_dad_work+0x10b/0xab0 [ 891.052033][ T1167] process_one_work+0x84d/0x18a0 [ 891.052033][ T1167] worker_thread+0x587/0xd30 [ 891.052033][ T1167] kthread+0x28a/0x350 [ 891.052033][ T1167] ret_from_fork+0x31/0x70 [ 891.052033][ T1167] ret_from_fork_asm+0x1a/0x30 [ 891.052033][ T1167] [ 891.054224][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 891.054224][ T1167] netdev_get_by_index+0x5e/0x80 [ 891.054224][ T1167] fib6_nh_init+0x3d8/0x1580 [ 891.054224][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 891.054224][ T1167] ip6_route_add+0x1c/0x140 [ 891.054224][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 891.054224][ T1167] inet6_addr_add+0x4f8/0xa40 [ 891.054224][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 891.054224][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.054224][ T1167] netlink_rcv_skb+0x130/0x360 [ 891.054224][ T1167] netlink_unicast+0x449/0x710 [ 891.054224][ T1167] netlink_sendmsg+0x723/0xbe0 [ 891.054224][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 891.054224][ T1167] ___sys_sendmsg+0xee/0x170 [ 891.054224][ T1167] __sys_sendmsg+0xcd/0x170 [ 891.054224][ T1167] do_syscall_64+0xc6/0x1e0 [ 891.054224][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.054224][ T1167] [ 891.056507][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 891.056507][ T1167] netdev_get_by_index+0x5e/0x80 [ 891.056507][ T1167] fib6_nh_init+0x3d8/0x1580 [ 891.056507][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 891.056507][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 891.056507][ T1167] ipv6_add_addr+0x411/0x2000 [ 891.056507][ T1167] inet6_addr_add+0x30e/0xa40 [ 891.056507][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 891.056507][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.056507][ T1167] netlink_rcv_skb+0x130/0x360 [ 891.056507][ T1167] netlink_unicast+0x449/0x710 [ 891.056507][ T1167] netlink_sendmsg+0x723/0xbe0 [ 891.056507][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 891.056507][ T1167] ___sys_sendmsg+0xee/0x170 [ 891.056507][ T1167] __sys_sendmsg+0xcd/0x170 [ 891.056507][ T1167] do_syscall_64+0xc6/0x1e0 [ 891.056507][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.056507][ T1167] [ 891.058772][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 891.058772][ T1167] netdev_get_by_index+0x5e/0x80 [ 891.058772][ T1167] fib6_nh_init+0x3d8/0x1580 [ 891.058772][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 891.058772][ T1167] ip6_route_add+0x1c/0x140 [ 891.058772][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 891.058772][ T1167] addrconf_add_dev+0xe2/0x170 [ 891.058772][ T1167] inet6_addr_add+0x12f/0xa40 [ 891.058772][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 891.058772][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.058772][ T1167] netlink_rcv_skb+0x130/0x360 [ 891.058772][ T1167] netlink_unicast+0x449/0x710 [ 891.058772][ T1167] netlink_sendmsg+0x723/0xbe0 [ 891.058772][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 891.058772][ T1167] ___sys_sendmsg+0xee/0x170 [ 891.058772][ T1167] __sys_sendmsg+0xcd/0x170 [ 891.058772][ T1167] do_syscall_64+0xc6/0x1e0 [ 891.058772][ T1167] [ 891.061003][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 891.061003][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 891.061003][ T1167] ipv6_find_idev+0x102/0x170 [ 891.061003][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 891.061003][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.061003][ T1167] netlink_rcv_skb+0x130/0x360 [ 891.061003][ T1167] netlink_unicast+0x449/0x710 [ 891.061003][ T1167] netlink_sendmsg+0x723/0xbe0 [ 891.061003][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 891.061003][ T1167] ___sys_sendmsg+0xee/0x170 [ 891.061003][ T1167] __sys_sendmsg+0xcd/0x170 [ 891.061003][ T1167] do_syscall_64+0xc6/0x1e0 [ 891.061003][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.061003][ T1167] [ 891.062749][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 891.062749][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 891.062749][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 891.062749][ T1167] ipv6_find_idev+0x102/0x170 [ 891.062749][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 891.062749][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.062749][ T1167] netlink_rcv_skb+0x130/0x360 [ 891.062749][ T1167] netlink_unicast+0x449/0x710 [ 891.062749][ T1167] netlink_sendmsg+0x723/0xbe0 [ 891.062749][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 891.062749][ T1167] ___sys_sendmsg+0xee/0x170 [ 891.062749][ T1167] __sys_sendmsg+0xcd/0x170 [ 891.062749][ T1167] do_syscall_64+0xc6/0x1e0 [ 891.062749][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.062749][ T1167] [ 900.953096][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 900.953501][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 900.953501][ T10] netdev_get_by_index+0x5e/0x80 [ 900.953501][ T10] fib6_nh_init+0x3d8/0x1580 [ 900.953501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 900.953501][ T10] addrconf_f6i_alloc+0x265/0x560 [ 900.953501][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 900.953501][ T10] addrconf_join_anycast+0x1c0/0x220 [ 900.953501][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 900.953501][ T10] addrconf_dad_completed+0x12b/0xe20 [ 900.953501][ T10] addrconf_dad_begin+0x310/0x670 [ 900.953501][ T10] addrconf_dad_work+0x10b/0xab0 [ 900.953501][ T10] process_one_work+0x84d/0x18a0 [ 900.953501][ T10] worker_thread+0x587/0xd30 [ 900.953501][ T10] kthread+0x28a/0x350 [ 900.953501][ T10] ret_from_fork+0x31/0x70 [ 900.953501][ T10] ret_from_fork_asm+0x1a/0x30 [ 900.953501][ T10] [ 900.955492][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 900.955492][ T10] netdev_get_by_index+0x5e/0x80 [ 900.955492][ T10] fib6_nh_init+0x3d8/0x1580 [ 900.955492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 900.955492][ T10] ip6_route_add+0x1c/0x140 [ 900.955492][ T10] addrconf_prefix_route+0x2a6/0x430 [ 900.955492][ T10] inet6_addr_add+0x4f8/0xa40 [ 900.955492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 900.955492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 900.955492][ T10] netlink_rcv_skb+0x130/0x360 [ 900.955492][ T10] netlink_unicast+0x449/0x710 [ 900.955492][ T10] netlink_sendmsg+0x723/0xbe0 [ 900.955492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 900.955492][ T10] ___sys_sendmsg+0xee/0x170 [ 900.955492][ T10] __sys_sendmsg+0xcd/0x170 [ 900.955492][ T10] do_syscall_64+0xc6/0x1e0 [ 900.955492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 900.955492][ T10] [ 900.957597][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 900.957597][ T10] netdev_get_by_index+0x5e/0x80 [ 900.957597][ T10] fib6_nh_init+0x3d8/0x1580 [ 900.957597][ T10] ip6_route_info_create+0xf18/0x17d0 [ 900.957597][ T10] addrconf_f6i_alloc+0x315/0x560 [ 900.957597][ T10] ipv6_add_addr+0x411/0x2000 [ 900.957597][ T10] inet6_addr_add+0x30e/0xa40 [ 900.957597][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 900.957597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 900.957597][ T10] netlink_rcv_skb+0x130/0x360 [ 900.957597][ T10] netlink_unicast+0x449/0x710 [ 900.957597][ T10] netlink_sendmsg+0x723/0xbe0 [ 900.957597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 900.957597][ T10] ___sys_sendmsg+0xee/0x170 [ 900.957597][ T10] __sys_sendmsg+0xcd/0x170 [ 900.957597][ T10] do_syscall_64+0xc6/0x1e0 [ 900.957597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 900.957597][ T10] [ 900.959732][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 900.959732][ T10] netdev_get_by_index+0x5e/0x80 [ 900.959732][ T10] fib6_nh_init+0x3d8/0x1580 [ 900.959732][ T10] ip6_route_info_create+0xf18/0x17d0 [ 900.959732][ T10] ip6_route_add+0x1c/0x140 [ 900.959732][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 900.959732][ T10] addrconf_add_dev+0xe2/0x170 [ 900.959732][ T10] inet6_addr_add+0x12f/0xa40 [ 900.959732][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 900.959732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 900.959732][ T10] netlink_rcv_skb+0x130/0x360 [ 900.959732][ T10] netlink_unicast+0x449/0x710 [ 900.959732][ T10] netlink_sendmsg+0x723/0xbe0 [ 900.959732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 900.959732][ T10] ___sys_sendmsg+0xee/0x170 [ 900.959732][ T10] __sys_sendmsg+0xcd/0x170 [ 900.959732][ T10] do_syscall_64+0xc6/0x1e0 [ 900.959732][ T10] [ 900.961715][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 900.961715][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 900.961715][ T10] ipv6_find_idev+0x102/0x170 [ 900.961715][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 900.961715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 900.961715][ T10] netlink_rcv_skb+0x130/0x360 [ 900.961715][ T10] netlink_unicast+0x449/0x710 [ 900.961715][ T10] netlink_sendmsg+0x723/0xbe0 [ 900.961715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 900.961715][ T10] ___sys_sendmsg+0xee/0x170 [ 900.961715][ T10] __sys_sendmsg+0xcd/0x170 [ 900.961715][ T10] do_syscall_64+0xc6/0x1e0 [ 900.961715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 900.961715][ T10] [ 900.963293][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 900.963293][ T10] neigh_parms_alloc+0x1e5/0x510 [ 900.963293][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 900.963293][ T10] ipv6_find_idev+0x102/0x170 [ 900.963293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 900.963293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 900.963293][ T10] netlink_rcv_skb+0x130/0x360 [ 900.963293][ T10] netlink_unicast+0x449/0x710 [ 900.963293][ T10] netlink_sendmsg+0x723/0xbe0 [ 900.963293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 900.963293][ T10] ___sys_sendmsg+0xee/0x170 [ 900.963293][ T10] __sys_sendmsg+0xcd/0x170 [ 900.963293][ T10] do_syscall_64+0xc6/0x1e0 [ 900.963293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 900.963293][ T10] [ 900.965102][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 900.965363][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 900.965363][ T10] netdev_get_by_index+0x5e/0x80 [ 900.965363][ T10] fib6_nh_init+0x3d8/0x1580 [ 900.965363][ T10] ip6_route_info_create+0xf18/0x17d0 [ 900.965363][ T10] addrconf_f6i_alloc+0x265/0x560 [ 900.965363][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 900.965363][ T10] addrconf_join_anycast+0x1c0/0x220 [ 900.965363][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 900.965363][ T10] addrconf_dad_completed+0x12b/0xe20 [ 900.965363][ T10] addrconf_dad_begin+0x310/0x670 [ 900.965363][ T10] addrconf_dad_work+0x10b/0xab0 [ 900.965363][ T10] process_one_work+0x84d/0x18a0 [ 900.965363][ T10] worker_thread+0x587/0xd30 [ 900.965363][ T10] kthread+0x28a/0x350 [ 900.965363][ T10] ret_from_fork+0x31/0x70 [ 900.965363][ T10] ret_from_fork_asm+0x1a/0x30 [ 900.965363][ T10] [ 900.967384][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 900.967384][ T10] netdev_get_by_index+0x5e/0x80 [ 900.967384][ T10] fib6_nh_init+0x3d8/0x1580 [ 900.967384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 900.967384][ T10] ip6_route_add+0x1c/0x140 [ 900.967384][ T10] addrconf_prefix_route+0x2a6/0x430 [ 900.967384][ T10] inet6_addr_add+0x4f8/0xa40 [ 900.967384][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 900.967384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 900.967384][ T10] netlink_rcv_skb+0x130/0x360 [ 900.967384][ T10] netlink_unicast+0x449/0x710 [ 900.967384][ T10] netlink_sendmsg+0x723/0xbe0 [ 900.967384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 900.967384][ T10] ___sys_sendmsg+0xee/0x170 [ 900.967384][ T10] __sys_sendmsg+0xcd/0x170 [ 900.967384][ T10] do_syscall_64+0xc6/0x1e0 [ 900.967384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 900.967384][ T10] [ 900.969436][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 900.969436][ T10] netdev_get_by_index+0x5e/0x80 [ 900.969436][ T10] fib6_nh_init+0x3d8/0x1580 [ 900.969436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 900.969436][ T10] addrconf_f6i_alloc+0x315/0x560 [ 900.969436][ T10] ipv6_add_addr+0x411/0x2000 [ 900.969436][ T10] inet6_addr_add+0x30e/0xa40 [ 900.969436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 900.969436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 900.969436][ T10] netlink_rcv_skb+0x130/0x360 [ 900.969436][ T10] netlink_unicast+0x449/0x710 [ 900.969436][ T10] netlink_sendmsg+0x723/0xbe0 [ 900.969436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 900.969436][ T10] ___sys_sendmsg+0xee/0x170 [ 900.969436][ T10] __sys_sendmsg+0xcd/0x170 [ 900.969436][ T10] do_syscall_64+0xc6/0x1e0 [ 900.969436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 900.969436][ T10] [ 900.971460][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 900.971460][ T10] netdev_get_by_index+0x5e/0x80 [ 900.971460][ T10] fib6_nh_init+0x3d8/0x1580 [ 900.971460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 900.971460][ T10] ip6_route_add+0x1c/0x140 [ 900.971460][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 900.971460][ T10] addrconf_add_dev+0xe2/0x170 [ 900.971460][ T10] inet6_addr_add+0x12f/0xa40 [ 900.971460][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 900.971460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 900.971460][ T10] netlink_rcv_skb+0x130/0x360 [ 900.971460][ T10] netlink_unicast+0x449/0x710 [ 900.971460][ T10] netlink_sendmsg+0x723/0xbe0 [ 900.971460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 900.971460][ T10] ___sys_sendmsg+0xee/0x170 [ 900.971460][ T10] __sys_sendmsg+0xcd/0x170 [ 900.971460][ T10] do_syscall_64+0xc6/0x1e0 [ 900.971460][ T10] [ 900.973449][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 900.973449][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 900.973449][ T10] ipv6_find_idev+0x102/0x170 [ 900.973449][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 900.973449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 900.973449][ T10] netlink_rcv_skb+0x130/0x360 [ 900.973449][ T10] netlink_unicast+0x449/0x710 [ 900.973449][ T10] netlink_sendmsg+0x723/0xbe0 [ 900.973449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 900.973449][ T10] ___sys_sendmsg+0xee/0x170 [ 900.973449][ T10] __sys_sendmsg+0xcd/0x170 [ 900.973449][ T10] do_syscall_64+0xc6/0x1e0 [ 900.973449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 900.973449][ T10] [ 900.975003][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 900.975003][ T10] neigh_parms_alloc+0x1e5/0x510 [ 900.975003][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 900.975003][ T10] ipv6_find_idev+0x102/0x170 [ 900.975003][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 900.975003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 900.975003][ T10] netlink_rcv_skb+0x130/0x360 [ 900.975003][ T10] netlink_unicast+0x449/0x710 [ 900.975003][ T10] netlink_sendmsg+0x723/0xbe0 [ 900.975003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 900.975003][ T10] ___sys_sendmsg+0xee/0x170 [ 900.975003][ T10] __sys_sendmsg+0xcd/0x170 [ 900.975003][ T10] do_syscall_64+0xc6/0x1e0 [ 900.975003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 900.975003][ T10] [ 900.976807][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 900.977072][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 900.977072][ T10] netdev_get_by_index+0x5e/0x80 [ 900.977072][ T10] fib6_nh_init+0x3d8/0x1580 [ 900.977072][ T10] ip6_route_info_create+0xf18/0x17d0 [ 900.977072][ T10] addrconf_f6i_alloc+0x265/0x560 [ 900.977072][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 900.977072][ T10] addrconf_join_anycast+0x1c0/0x220 [ 900.977072][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 900.977072][ T10] addrconf_dad_completed+0x12b/0xe20 [ 900.977072][ T10] addrconf_dad_begin+0x310/0x670 [ 900.977072][ T10] addrconf_dad_work+0x10b/0xab0 [ 900.977072][ T10] process_one_work+0x84d/0x18a0 [ 900.977072][ T10] worker_thread+0x587/0xd30 [ 900.977072][ T10] kthread+0x28a/0x350 [ 900.977072][ T10] ret_from_fork+0x31/0x70 [ 900.977072][ T10] ret_from_fork_asm+0x1a/0x30 [ 900.977072][ T10] [ 900.979068][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 900.979068][ T10] netdev_get_by_index+0x5e/0x80 [ 900.979068][ T10] fib6_nh_init+0x3d8/0x1580 [ 900.979068][ T10] ip6_route_info_create+0xf18/0x17d0 [ 900.979068][ T10] ip6_route_add+0x1c/0x140 [ 900.979068][ T10] addrconf_prefix_route+0x2a6/0x430 [ 900.979068][ T10] inet6_addr_add+0x4f8/0xa40 [ 900.979068][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 900.979068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 900.979068][ T10] netlink_rcv_skb+0x130/0x360 [ 900.979068][ T10] netlink_unicast+0x449/0x710 [ 900.979068][ T10] netlink_sendmsg+0x723/0xbe0 [ 900.979068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 900.979068][ T10] ___sys_sendmsg+0xee/0x170 [ 900.979068][ T10] __sys_sendmsg+0xcd/0x170 [ 900.979068][ T10] do_syscall_64+0xc6/0x1e0 [ 900.979068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 900.979068][ T10] [ 900.981381][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 900.981381][ T10] netdev_get_by_index+0x5e/0x80 [ 900.981381][ T10] fib6_nh_init+0x3d8/0x1580 [ 900.981381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 900.981381][ T10] addrconf_f6i_alloc+0x315/0x560 [ 900.981381][ T10] ipv6_add_addr+0x411/0x2000 [ 900.981381][ T10] inet6_addr_add+0x30e/0xa40 [ 900.981381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 900.981381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 900.981381][ T10] netlink_rcv_skb+0x130/0x360 [ 900.981381][ T10] netlink_unicast+0x449/0x710 [ 900.981381][ T10] netlink_sendmsg+0x723/0xbe0 [ 900.981381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 900.981381][ T10] ___sys_sendmsg+0xee/0x170 [ 900.981381][ T10] __sys_sendmsg+0xcd/0x170 [ 900.981381][ T10] do_syscall_64+0xc6/0x1e0 [ 900.981381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 900.981381][ T10] [ 900.983741][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 900.983741][ T10] netdev_get_by_index+0x5e/0x80 [ 900.983741][ T10] fib6_nh_init+0x3d8/0x1580 [ 900.983741][ T10] ip6_route_info_create+0xf18/0x17d0 [ 900.983741][ T10] ip6_route_add+0x1c/0x140 [ 900.983741][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 900.983741][ T10] addrconf_add_dev+0xe2/0x170 [ 900.983741][ T10] inet6_addr_add+0x12f/0xa40 [ 900.983741][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 900.983741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 900.983741][ T10] netlink_rcv_skb+0x130/0x360 [ 900.983741][ T10] netlink_unicast+0x449/0x710 [ 900.983741][ T10] netlink_sendmsg+0x723/0xbe0 [ 900.983741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 900.983741][ T10] ___sys_sendmsg+0xee/0x170 [ 900.983741][ T10] __sys_sendmsg+0xcd/0x170 [ 900.983741][ T10] do_syscall_64+0xc6/0x1e0 [ 900.983741][ T10] [ 900.986093][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 900.986093][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 900.986093][ T10] ipv6_find_idev+0x102/0x170 [ 900.986093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 900.986093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 900.986093][ T10] netlink_rcv_skb+0x130/0x360 [ 900.986093][ T10] netlink_unicast+0x449/0x710 [ 900.986093][ T10] netlink_sendmsg+0x723/0xbe0 [ 900.986093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 900.986093][ T10] ___sys_sendmsg+0xee/0x170 [ 900.986093][ T10] __sys_sendmsg+0xcd/0x170 [ 900.986093][ T10] do_syscall_64+0xc6/0x1e0 [ 900.986093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 900.986093][ T10] [ 900.987897][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 900.987897][ T10] neigh_parms_alloc+0x1e5/0x510 [ 900.987897][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 900.987897][ T10] ipv6_find_idev+0x102/0x170 [ 900.987897][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 900.987897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 900.987897][ T10] netlink_rcv_skb+0x130/0x360 [ 900.987897][ T10] netlink_unicast+0x449/0x710 [ 900.987897][ T10] netlink_sendmsg+0x723/0xbe0 [ 900.987897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 900.987897][ T10] ___sys_sendmsg+0xee/0x170 [ 900.987897][ T10] __sys_sendmsg+0xcd/0x170 [ 900.987897][ T10] do_syscall_64+0xc6/0x1e0 [ 900.987897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 900.987897][ T10] [ 900.989826][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 900.990584][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 900.990584][ T10] netdev_get_by_index+0x5e/0x80 [ 900.990584][ T10] fib6_nh_init+0x3d8/0x1580 [ 900.990584][ T10] ip6_route_info_create+0xf18/0x17d0 [ 900.990584][ T10] addrconf_f6i_alloc+0x265/0x560 [ 900.990584][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 900.990584][ T10] addrconf_join_anycast+0x1c0/0x220 [ 900.990584][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 900.990584][ T10] addrconf_dad_completed+0x12b/0xe20 [ 900.990584][ T10] addrconf_dad_begin+0x310/0x670 [ 900.990584][ T10] addrconf_dad_work+0x10b/0xab0 [ 900.990584][ T10] process_one_work+0x84d/0x18a0 [ 900.990584][ T10] worker_thread+0x587/0xd30 [ 900.990584][ T10] kthread+0x28a/0x350 [ 900.990584][ T10] ret_from_fork+0x31/0x70 [ 900.990584][ T10] ret_from_fork_asm+0x1a/0x30 [ 900.990584][ T10] [ 900.992502][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 900.992502][ T10] netdev_get_by_index+0x5e/0x80 [ 900.992502][ T10] fib6_nh_init+0x3d8/0x1580 [ 900.992502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 900.992502][ T10] ip6_route_add+0x1c/0x140 [ 900.992502][ T10] addrconf_prefix_route+0x2a6/0x430 [ 900.992502][ T10] inet6_addr_add+0x4f8/0xa40 [ 900.992502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 900.992502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 900.992502][ T10] netlink_rcv_skb+0x130/0x360 [ 900.992502][ T10] netlink_unicast+0x449/0x710 [ 900.992502][ T10] netlink_sendmsg+0x723/0xbe0 [ 900.992502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 900.992502][ T10] ___sys_sendmsg+0xee/0x170 [ 900.992502][ T10] __sys_sendmsg+0xcd/0x170 [ 900.992502][ T10] do_syscall_64+0xc6/0x1e0 [ 900.992502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 900.992502][ T10] [ 900.994777][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 900.994777][ T10] netdev_get_by_index+0x5e/0x80 [ 900.994777][ T10] fib6_nh_init+0x3d8/0x1580 [ 900.994777][ T10] ip6_route_info_create+0xf18/0x17d0 [ 900.994777][ T10] addrconf_f6i_alloc+0x315/0x560 [ 900.994777][ T10] ipv6_add_addr+0x411/0x2000 [ 900.994777][ T10] inet6_addr_add+0x30e/0xa40 [ 900.994777][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 900.994777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 900.994777][ T10] netlink_rcv_skb+0x130/0x360 [ 900.994777][ T10] netlink_unicast+0x449/0x710 [ 900.994777][ T10] netlink_sendmsg+0x723/0xbe0 [ 900.994777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 900.994777][ T10] ___sys_sendmsg+0xee/0x170 [ 900.994777][ T10] __sys_sendmsg+0xcd/0x170 [ 900.994777][ T10] do_syscall_64+0xc6/0x1e0 [ 900.994777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 900.994777][ T10] [ 900.997139][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 900.997139][ T10] netdev_get_by_index+0x5e/0x80 [ 900.997139][ T10] fib6_nh_init+0x3d8/0x1580 [ 900.997139][ T10] ip6_route_info_create+0xf18/0x17d0 [ 900.997139][ T10] ip6_route_add+0x1c/0x140 [ 900.997139][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 900.997139][ T10] addrconf_add_dev+0xe2/0x170 [ 900.997139][ T10] inet6_addr_add+0x12f/0xa40 [ 900.997139][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 900.997139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 900.997139][ T10] netlink_rcv_skb+0x130/0x360 [ 900.997139][ T10] netlink_unicast+0x449/0x710 [ 900.997139][ T10] netlink_sendmsg+0x723/0xbe0 [ 900.997139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 900.997139][ T10] ___sys_sendmsg+0xee/0x170 [ 900.997139][ T10] __sys_sendmsg+0xcd/0x170 [ 900.997139][ T10] do_syscall_64+0xc6/0x1e0 [ 900.997139][ T10] [ 900.999420][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 900.999420][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 900.999420][ T10] ipv6_find_idev+0x102/0x170 [ 900.999420][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 900.999420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 900.999420][ T10] netlink_rcv_skb+0x130/0x360 [ 900.999420][ T10] netlink_unicast+0x449/0x710 [ 900.999420][ T10] netlink_sendmsg+0x723/0xbe0 [ 900.999420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 900.999420][ T10] ___sys_sendmsg+0xee/0x170 [ 900.999420][ T10] __sys_sendmsg+0xcd/0x170 [ 900.999420][ T10] do_syscall_64+0xc6/0x1e0 [ 900.999420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 900.999420][ T10] [ 901.001238][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 901.001238][ T10] neigh_parms_alloc+0x1e5/0x510 [ 901.001238][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 901.001238][ T10] ipv6_find_idev+0x102/0x170 [ 901.001238][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 901.001238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.001238][ T10] netlink_rcv_skb+0x130/0x360 [ 901.001238][ T10] netlink_unicast+0x449/0x710 [ 901.001238][ T10] netlink_sendmsg+0x723/0xbe0 [ 901.001238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 901.001238][ T10] ___sys_sendmsg+0xee/0x170 [ 901.001238][ T10] __sys_sendmsg+0xcd/0x170 [ 901.001238][ T10] do_syscall_64+0xc6/0x1e0 [ 901.001238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.001238][ T10] [ 901.209197][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 901.209687][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 901.209687][ T1167] dst_init+0x84/0x4a0 [ 901.209687][ T1167] dst_alloc+0x97/0x150 [ 901.209687][ T1167] ip6_dst_alloc+0x23/0x90 [ 901.209687][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 901.209687][ T1167] ip6_pol_route+0x56f/0x840 [ 901.209687][ T1167] fib6_rule_lookup+0x334/0x630 [ 901.209687][ T1167] ip6_route_output_flags+0x259/0x480 [ 901.209687][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 901.209687][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 901.209687][ T1167] netlink_rcv_skb+0x130/0x360 [ 901.209687][ T1167] netlink_unicast+0x449/0x710 [ 901.209687][ T1167] netlink_sendmsg+0x723/0xbe0 [ 901.209687][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 901.209687][ T1167] ___sys_sendmsg+0xee/0x170 [ 901.209687][ T1167] __sys_sendmsg+0xcd/0x170 [ 901.209687][ T1167] do_syscall_64+0xc6/0x1e0 [ 901.209687][ T1167] [ 901.212000][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 901.212000][ T1167] netdev_get_by_index+0x5e/0x80 [ 901.212000][ T1167] fib6_nh_init+0x3d8/0x1580 [ 901.212000][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 901.212000][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 901.212000][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 901.212000][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 901.212000][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 901.212000][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 901.212000][ T1167] addrconf_dad_begin+0x310/0x670 [ 901.212000][ T1167] addrconf_dad_work+0x10b/0xab0 [ 901.212000][ T1167] process_one_work+0x84d/0x18a0 [ 901.212000][ T1167] worker_thread+0x587/0xd30 [ 901.212000][ T1167] kthread+0x28a/0x350 [ 901.212000][ T1167] ret_from_fork+0x31/0x70 [ 901.212000][ T1167] ret_from_fork_asm+0x1a/0x30 [ 901.212000][ T1167] [ 901.214227][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 901.214227][ T1167] netdev_get_by_index+0x5e/0x80 [ 901.214227][ T1167] fib6_nh_init+0x3d8/0x1580 [ 901.214227][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 901.214227][ T1167] ip6_route_add+0x1c/0x140 [ 901.214227][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 901.214227][ T1167] inet6_addr_add+0x4f8/0xa40 [ 901.214227][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 901.214227][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.214227][ T1167] netlink_rcv_skb+0x130/0x360 [ 901.214227][ T1167] netlink_unicast+0x449/0x710 [ 901.214227][ T1167] netlink_sendmsg+0x723/0xbe0 [ 901.214227][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 901.214227][ T1167] ___sys_sendmsg+0xee/0x170 [ 901.214227][ T1167] __sys_sendmsg+0xcd/0x170 [ 901.214227][ T1167] do_syscall_64+0xc6/0x1e0 [ 901.214227][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.214227][ T1167] [ 901.216557][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 901.216557][ T1167] netdev_get_by_index+0x5e/0x80 [ 901.216557][ T1167] fib6_nh_init+0x3d8/0x1580 [ 901.216557][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 901.216557][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 901.216557][ T1167] ipv6_add_addr+0x411/0x2000 [ 901.216557][ T1167] inet6_addr_add+0x30e/0xa40 [ 901.216557][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 901.216557][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.216557][ T1167] netlink_rcv_skb+0x130/0x360 [ 901.216557][ T1167] netlink_unicast+0x449/0x710 [ 901.216557][ T1167] netlink_sendmsg+0x723/0xbe0 [ 901.216557][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 901.216557][ T1167] ___sys_sendmsg+0xee/0x170 [ 901.216557][ T1167] __sys_sendmsg+0xcd/0x170 [ 901.216557][ T1167] do_syscall_64+0xc6/0x1e0 [ 901.216557][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.216557][ T1167] [ 901.218892][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 901.218892][ T1167] netdev_get_by_index+0x5e/0x80 [ 901.218892][ T1167] fib6_nh_init+0x3d8/0x1580 [ 901.218892][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 901.218892][ T1167] ip6_route_add+0x1c/0x140 [ 901.218892][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 901.218892][ T1167] addrconf_add_dev+0xe2/0x170 [ 901.218892][ T1167] inet6_addr_add+0x12f/0xa40 [ 901.218892][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 901.218892][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.218892][ T1167] netlink_rcv_skb+0x130/0x360 [ 901.218892][ T1167] netlink_unicast+0x449/0x710 [ 901.218892][ T1167] netlink_sendmsg+0x723/0xbe0 [ 901.218892][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 901.218892][ T1167] ___sys_sendmsg+0xee/0x170 [ 901.218892][ T1167] __sys_sendmsg+0xcd/0x170 [ 901.218892][ T1167] do_syscall_64+0xc6/0x1e0 [ 901.218892][ T1167] [ 901.221126][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 901.221126][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 901.221126][ T1167] ipv6_find_idev+0x102/0x170 [ 901.221126][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 901.221126][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.221126][ T1167] netlink_rcv_skb+0x130/0x360 [ 901.221126][ T1167] netlink_unicast+0x449/0x710 [ 901.221126][ T1167] netlink_sendmsg+0x723/0xbe0 [ 901.221126][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 901.221126][ T1167] ___sys_sendmsg+0xee/0x170 [ 901.221126][ T1167] __sys_sendmsg+0xcd/0x170 [ 901.221126][ T1167] do_syscall_64+0xc6/0x1e0 [ 901.221126][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.221126][ T1167] [ 901.222894][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 901.222894][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 901.222894][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 901.222894][ T1167] ipv6_find_idev+0x102/0x170 [ 901.222894][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 901.222894][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.222894][ T1167] netlink_rcv_skb+0x130/0x360 [ 901.222894][ T1167] netlink_unicast+0x449/0x710 [ 901.222894][ T1167] netlink_sendmsg+0x723/0xbe0 [ 901.222894][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 901.222894][ T1167] ___sys_sendmsg+0xee/0x170 [ 901.222894][ T1167] __sys_sendmsg+0xcd/0x170 [ 901.222894][ T1167] do_syscall_64+0xc6/0x1e0 [ 901.222894][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.222894][ T1167] [ 911.225190][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 911.225671][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 911.225671][ T1167] dst_init+0x84/0x4a0 [ 911.225671][ T1167] dst_alloc+0x97/0x150 [ 911.225671][ T1167] ip6_dst_alloc+0x23/0x90 [ 911.225671][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 911.225671][ T1167] ip6_pol_route+0x56f/0x840 [ 911.225671][ T1167] fib6_rule_lookup+0x334/0x630 [ 911.225671][ T1167] ip6_route_output_flags+0x259/0x480 [ 911.225671][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 911.225671][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 911.225671][ T1167] netlink_rcv_skb+0x130/0x360 [ 911.225671][ T1167] netlink_unicast+0x449/0x710 [ 911.225671][ T1167] netlink_sendmsg+0x723/0xbe0 [ 911.225671][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 911.225671][ T1167] ___sys_sendmsg+0xee/0x170 [ 911.225671][ T1167] __sys_sendmsg+0xcd/0x170 [ 911.225671][ T1167] do_syscall_64+0xc6/0x1e0 [ 911.225671][ T1167] [ 911.227890][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 911.227890][ T1167] netdev_get_by_index+0x5e/0x80 [ 911.227890][ T1167] fib6_nh_init+0x3d8/0x1580 [ 911.227890][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 911.227890][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 911.227890][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 911.227890][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 911.227890][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 911.227890][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 911.227890][ T1167] addrconf_dad_begin+0x310/0x670 [ 911.227890][ T1167] addrconf_dad_work+0x10b/0xab0 [ 911.227890][ T1167] process_one_work+0x84d/0x18a0 [ 911.227890][ T1167] worker_thread+0x587/0xd30 [ 911.227890][ T1167] kthread+0x28a/0x350 [ 911.227890][ T1167] ret_from_fork+0x31/0x70 [ 911.227890][ T1167] ret_from_fork_asm+0x1a/0x30 [ 911.227890][ T1167] [ 911.230066][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 911.230066][ T1167] netdev_get_by_index+0x5e/0x80 [ 911.230066][ T1167] fib6_nh_init+0x3d8/0x1580 [ 911.230066][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 911.230066][ T1167] ip6_route_add+0x1c/0x140 [ 911.230066][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 911.230066][ T1167] inet6_addr_add+0x4f8/0xa40 [ 911.230066][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 911.230066][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.230066][ T1167] netlink_rcv_skb+0x130/0x360 [ 911.230066][ T1167] netlink_unicast+0x449/0x710 [ 911.230066][ T1167] netlink_sendmsg+0x723/0xbe0 [ 911.230066][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 911.230066][ T1167] ___sys_sendmsg+0xee/0x170 [ 911.230066][ T1167] __sys_sendmsg+0xcd/0x170 [ 911.230066][ T1167] do_syscall_64+0xc6/0x1e0 [ 911.230066][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.230066][ T1167] [ 911.232332][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 911.232332][ T1167] netdev_get_by_index+0x5e/0x80 [ 911.232332][ T1167] fib6_nh_init+0x3d8/0x1580 [ 911.232332][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 911.232332][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 911.232332][ T1167] ipv6_add_addr+0x411/0x2000 [ 911.232332][ T1167] inet6_addr_add+0x30e/0xa40 [ 911.232332][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 911.232332][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.232332][ T1167] netlink_rcv_skb+0x130/0x360 [ 911.232332][ T1167] netlink_unicast+0x449/0x710 [ 911.232332][ T1167] netlink_sendmsg+0x723/0xbe0 [ 911.232332][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 911.232332][ T1167] ___sys_sendmsg+0xee/0x170 [ 911.232332][ T1167] __sys_sendmsg+0xcd/0x170 [ 911.232332][ T1167] do_syscall_64+0xc6/0x1e0 [ 911.232332][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.232332][ T1167] [ 911.234601][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 911.234601][ T1167] netdev_get_by_index+0x5e/0x80 [ 911.234601][ T1167] fib6_nh_init+0x3d8/0x1580 [ 911.234601][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 911.234601][ T1167] ip6_route_add+0x1c/0x140 [ 911.234601][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 911.234601][ T1167] addrconf_add_dev+0xe2/0x170 [ 911.234601][ T1167] inet6_addr_add+0x12f/0xa40 [ 911.234601][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 911.234601][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.234601][ T1167] netlink_rcv_skb+0x130/0x360 [ 911.234601][ T1167] netlink_unicast+0x449/0x710 [ 911.234601][ T1167] netlink_sendmsg+0x723/0xbe0 [ 911.234601][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 911.234601][ T1167] ___sys_sendmsg+0xee/0x170 [ 911.234601][ T1167] __sys_sendmsg+0xcd/0x170 [ 911.234601][ T1167] do_syscall_64+0xc6/0x1e0 [ 911.234601][ T1167] [ 911.236819][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 911.236819][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 911.236819][ T1167] ipv6_find_idev+0x102/0x170 [ 911.236819][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 911.236819][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.236819][ T1167] netlink_rcv_skb+0x130/0x360 [ 911.236819][ T1167] netlink_unicast+0x449/0x710 [ 911.236819][ T1167] netlink_sendmsg+0x723/0xbe0 [ 911.236819][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 911.236819][ T1167] ___sys_sendmsg+0xee/0x170 [ 911.236819][ T1167] __sys_sendmsg+0xcd/0x170 [ 911.236819][ T1167] do_syscall_64+0xc6/0x1e0 [ 911.236819][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.236819][ T1167] [ 911.238552][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 911.238552][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 911.238552][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 911.238552][ T1167] ipv6_find_idev+0x102/0x170 [ 911.238552][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 911.238552][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.238552][ T1167] netlink_rcv_skb+0x130/0x360 [ 911.238552][ T1167] netlink_unicast+0x449/0x710 [ 911.238552][ T1167] netlink_sendmsg+0x723/0xbe0 [ 911.238552][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 911.238552][ T1167] ___sys_sendmsg+0xee/0x170 [ 911.238552][ T1167] __sys_sendmsg+0xcd/0x170 [ 911.238552][ T1167] do_syscall_64+0xc6/0x1e0 [ 911.238552][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.238552][ T1167] [ 911.257082][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 911.257505][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 911.257505][ T10] netdev_get_by_index+0x5e/0x80 [ 911.257505][ T10] fib6_nh_init+0x3d8/0x1580 [ 911.257505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 911.257505][ T10] addrconf_f6i_alloc+0x265/0x560 [ 911.257505][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 911.257505][ T10] addrconf_join_anycast+0x1c0/0x220 [ 911.257505][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 911.257505][ T10] addrconf_dad_completed+0x12b/0xe20 [ 911.257505][ T10] addrconf_dad_begin+0x310/0x670 [ 911.257505][ T10] addrconf_dad_work+0x10b/0xab0 [ 911.257505][ T10] process_one_work+0x84d/0x18a0 [ 911.257505][ T10] worker_thread+0x587/0xd30 [ 911.257505][ T10] kthread+0x28a/0x350 [ 911.257505][ T10] ret_from_fork+0x31/0x70 [ 911.257505][ T10] ret_from_fork_asm+0x1a/0x30 [ 911.257505][ T10] [ 911.260483][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 911.260483][ T10] netdev_get_by_index+0x5e/0x80 [ 911.260483][ T10] fib6_nh_init+0x3d8/0x1580 [ 911.260483][ T10] ip6_route_info_create+0xf18/0x17d0 [ 911.260483][ T10] ip6_route_add+0x1c/0x140 [ 911.260483][ T10] addrconf_prefix_route+0x2a6/0x430 [ 911.260483][ T10] inet6_addr_add+0x4f8/0xa40 [ 911.260483][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 911.260483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.260483][ T10] netlink_rcv_skb+0x130/0x360 [ 911.260483][ T10] netlink_unicast+0x449/0x710 [ 911.260483][ T10] netlink_sendmsg+0x723/0xbe0 [ 911.260483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 911.260483][ T10] ___sys_sendmsg+0xee/0x170 [ 911.260483][ T10] __sys_sendmsg+0xcd/0x170 [ 911.260483][ T10] do_syscall_64+0xc6/0x1e0 [ 911.260483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.260483][ T10] [ 911.263705][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 911.263705][ T10] netdev_get_by_index+0x5e/0x80 [ 911.263705][ T10] fib6_nh_init+0x3d8/0x1580 [ 911.263705][ T10] ip6_route_info_create+0xf18/0x17d0 [ 911.263705][ T10] addrconf_f6i_alloc+0x315/0x560 [ 911.263705][ T10] ipv6_add_addr+0x411/0x2000 [ 911.263705][ T10] inet6_addr_add+0x30e/0xa40 [ 911.263705][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 911.263705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.263705][ T10] netlink_rcv_skb+0x130/0x360 [ 911.263705][ T10] netlink_unicast+0x449/0x710 [ 911.263705][ T10] netlink_sendmsg+0x723/0xbe0 [ 911.263705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 911.263705][ T10] ___sys_sendmsg+0xee/0x170 [ 911.263705][ T10] __sys_sendmsg+0xcd/0x170 [ 911.263705][ T10] do_syscall_64+0xc6/0x1e0 [ 911.263705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.263705][ T10] [ 911.266813][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 911.266813][ T10] netdev_get_by_index+0x5e/0x80 [ 911.266813][ T10] fib6_nh_init+0x3d8/0x1580 [ 911.266813][ T10] ip6_route_info_create+0xf18/0x17d0 [ 911.266813][ T10] ip6_route_add+0x1c/0x140 [ 911.266813][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 911.266813][ T10] addrconf_add_dev+0xe2/0x170 [ 911.266813][ T10] inet6_addr_add+0x12f/0xa40 [ 911.266813][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 911.266813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.266813][ T10] netlink_rcv_skb+0x130/0x360 [ 911.266813][ T10] netlink_unicast+0x449/0x710 [ 911.266813][ T10] netlink_sendmsg+0x723/0xbe0 [ 911.266813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 911.266813][ T10] ___sys_sendmsg+0xee/0x170 [ 911.266813][ T10] __sys_sendmsg+0xcd/0x170 [ 911.266813][ T10] do_syscall_64+0xc6/0x1e0 [ 911.266813][ T10] [ 911.269807][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 911.269807][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 911.269807][ T10] ipv6_find_idev+0x102/0x170 [ 911.269807][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 911.269807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.269807][ T10] netlink_rcv_skb+0x130/0x360 [ 911.269807][ T10] netlink_unicast+0x449/0x710 [ 911.269807][ T10] netlink_sendmsg+0x723/0xbe0 [ 911.269807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 911.269807][ T10] ___sys_sendmsg+0xee/0x170 [ 911.269807][ T10] __sys_sendmsg+0xcd/0x170 [ 911.269807][ T10] do_syscall_64+0xc6/0x1e0 [ 911.269807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.269807][ T10] [ 911.272024][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 911.272024][ T10] neigh_parms_alloc+0x1e5/0x510 [ 911.272024][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 911.272024][ T10] ipv6_find_idev+0x102/0x170 [ 911.272024][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 911.272024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.272024][ T10] netlink_rcv_skb+0x130/0x360 [ 911.272024][ T10] netlink_unicast+0x449/0x710 [ 911.272024][ T10] netlink_sendmsg+0x723/0xbe0 [ 911.272024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 911.272024][ T10] ___sys_sendmsg+0xee/0x170 [ 911.272024][ T10] __sys_sendmsg+0xcd/0x170 [ 911.272024][ T10] do_syscall_64+0xc6/0x1e0 [ 911.272024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.272024][ T10] [ 911.274471][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 911.274832][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 911.274832][ T10] netdev_get_by_index+0x5e/0x80 [ 911.274832][ T10] fib6_nh_init+0x3d8/0x1580 [ 911.274832][ T10] ip6_route_info_create+0xf18/0x17d0 [ 911.274832][ T10] addrconf_f6i_alloc+0x265/0x560 [ 911.274832][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 911.274832][ T10] addrconf_join_anycast+0x1c0/0x220 [ 911.274832][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 911.274832][ T10] addrconf_dad_completed+0x12b/0xe20 [ 911.274832][ T10] addrconf_dad_begin+0x310/0x670 [ 911.274832][ T10] addrconf_dad_work+0x10b/0xab0 [ 911.274832][ T10] process_one_work+0x84d/0x18a0 [ 911.274832][ T10] worker_thread+0x587/0xd30 [ 911.274832][ T10] kthread+0x28a/0x350 [ 911.274832][ T10] ret_from_fork+0x31/0x70 [ 911.274832][ T10] ret_from_fork_asm+0x1a/0x30 [ 911.274832][ T10] [ 911.277618][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 911.277618][ T10] netdev_get_by_index+0x5e/0x80 [ 911.277618][ T10] fib6_nh_init+0x3d8/0x1580 [ 911.277618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 911.277618][ T10] ip6_route_add+0x1c/0x140 [ 911.277618][ T10] addrconf_prefix_route+0x2a6/0x430 [ 911.277618][ T10] inet6_addr_add+0x4f8/0xa40 [ 911.277618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 911.277618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.277618][ T10] netlink_rcv_skb+0x130/0x360 [ 911.277618][ T10] netlink_unicast+0x449/0x710 [ 911.277618][ T10] netlink_sendmsg+0x723/0xbe0 [ 911.277618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 911.277618][ T10] ___sys_sendmsg+0xee/0x170 [ 911.277618][ T10] __sys_sendmsg+0xcd/0x170 [ 911.277618][ T10] do_syscall_64+0xc6/0x1e0 [ 911.277618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.277618][ T10] [ 911.280713][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 911.280713][ T10] netdev_get_by_index+0x5e/0x80 [ 911.280713][ T10] fib6_nh_init+0x3d8/0x1580 [ 911.280713][ T10] ip6_route_info_create+0xf18/0x17d0 [ 911.280713][ T10] addrconf_f6i_alloc+0x315/0x560 [ 911.280713][ T10] ipv6_add_addr+0x411/0x2000 [ 911.280713][ T10] inet6_addr_add+0x30e/0xa40 [ 911.280713][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 911.280713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.280713][ T10] netlink_rcv_skb+0x130/0x360 [ 911.280713][ T10] netlink_unicast+0x449/0x710 [ 911.280713][ T10] netlink_sendmsg+0x723/0xbe0 [ 911.280713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 911.280713][ T10] ___sys_sendmsg+0xee/0x170 [ 911.280713][ T10] __sys_sendmsg+0xcd/0x170 [ 911.280713][ T10] do_syscall_64+0xc6/0x1e0 [ 911.280713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.280713][ T10] [ 911.283802][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 911.283802][ T10] netdev_get_by_index+0x5e/0x80 [ 911.283802][ T10] fib6_nh_init+0x3d8/0x1580 [ 911.283802][ T10] ip6_route_info_create+0xf18/0x17d0 [ 911.283802][ T10] ip6_route_add+0x1c/0x140 [ 911.283802][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 911.283802][ T10] addrconf_add_dev+0xe2/0x170 [ 911.283802][ T10] inet6_addr_add+0x12f/0xa40 [ 911.283802][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 911.283802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.283802][ T10] netlink_rcv_skb+0x130/0x360 [ 911.283802][ T10] netlink_unicast+0x449/0x710 [ 911.283802][ T10] netlink_sendmsg+0x723/0xbe0 [ 911.283802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 911.283802][ T10] ___sys_sendmsg+0xee/0x170 [ 911.283802][ T10] __sys_sendmsg+0xcd/0x170 [ 911.283802][ T10] do_syscall_64+0xc6/0x1e0 [ 911.283802][ T10] [ 911.286841][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 911.286841][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 911.286841][ T10] ipv6_find_idev+0x102/0x170 [ 911.286841][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 911.286841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.286841][ T10] netlink_rcv_skb+0x130/0x360 [ 911.286841][ T10] netlink_unicast+0x449/0x710 [ 911.286841][ T10] netlink_sendmsg+0x723/0xbe0 [ 911.286841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 911.286841][ T10] ___sys_sendmsg+0xee/0x170 [ 911.286841][ T10] __sys_sendmsg+0xcd/0x170 [ 911.286841][ T10] do_syscall_64+0xc6/0x1e0 [ 911.286841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.286841][ T10] [ 911.289214][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 911.289214][ T10] neigh_parms_alloc+0x1e5/0x510 [ 911.289214][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 911.289214][ T10] ipv6_find_idev+0x102/0x170 [ 911.289214][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 911.289214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.289214][ T10] netlink_rcv_skb+0x130/0x360 [ 911.289214][ T10] netlink_unicast+0x449/0x710 [ 911.289214][ T10] netlink_sendmsg+0x723/0xbe0 [ 911.289214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 911.289214][ T10] ___sys_sendmsg+0xee/0x170 [ 911.289214][ T10] __sys_sendmsg+0xcd/0x170 [ 911.289214][ T10] do_syscall_64+0xc6/0x1e0 [ 911.289214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.289214][ T10] [ 911.291816][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 911.292201][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 911.292201][ T10] netdev_get_by_index+0x5e/0x80 [ 911.292201][ T10] fib6_nh_init+0x3d8/0x1580 [ 911.292201][ T10] ip6_route_info_create+0xf18/0x17d0 [ 911.292201][ T10] addrconf_f6i_alloc+0x265/0x560 [ 911.292201][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 911.292201][ T10] addrconf_join_anycast+0x1c0/0x220 [ 911.292201][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 911.292201][ T10] addrconf_dad_completed+0x12b/0xe20 [ 911.292201][ T10] addrconf_dad_begin+0x310/0x670 [ 911.292201][ T10] addrconf_dad_work+0x10b/0xab0 [ 911.292201][ T10] process_one_work+0x84d/0x18a0 [ 911.292201][ T10] worker_thread+0x587/0xd30 [ 911.292201][ T10] kthread+0x28a/0x350 [ 911.292201][ T10] ret_from_fork+0x31/0x70 [ 911.292201][ T10] ret_from_fork_asm+0x1a/0x30 [ 911.292201][ T10] [ 911.295171][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 911.295171][ T10] netdev_get_by_index+0x5e/0x80 [ 911.295171][ T10] fib6_nh_init+0x3d8/0x1580 [ 911.295171][ T10] ip6_route_info_create+0xf18/0x17d0 [ 911.295171][ T10] ip6_route_add+0x1c/0x140 [ 911.295171][ T10] addrconf_prefix_route+0x2a6/0x430 [ 911.295171][ T10] inet6_addr_add+0x4f8/0xa40 [ 911.295171][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 911.295171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.295171][ T10] netlink_rcv_skb+0x130/0x360 [ 911.295171][ T10] netlink_unicast+0x449/0x710 [ 911.295171][ T10] netlink_sendmsg+0x723/0xbe0 [ 911.295171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 911.295171][ T10] ___sys_sendmsg+0xee/0x170 [ 911.295171][ T10] __sys_sendmsg+0xcd/0x170 [ 911.295171][ T10] do_syscall_64+0xc6/0x1e0 [ 911.295171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.295171][ T10] [ 911.298600][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 911.298600][ T10] netdev_get_by_index+0x5e/0x80 [ 911.298600][ T10] fib6_nh_init+0x3d8/0x1580 [ 911.298600][ T10] ip6_route_info_create+0xf18/0x17d0 [ 911.298600][ T10] addrconf_f6i_alloc+0x315/0x560 [ 911.298600][ T10] ipv6_add_addr+0x411/0x2000 [ 911.298600][ T10] inet6_addr_add+0x30e/0xa40 [ 911.298600][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 911.298600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.298600][ T10] netlink_rcv_skb+0x130/0x360 [ 911.298600][ T10] netlink_unicast+0x449/0x710 [ 911.298600][ T10] netlink_sendmsg+0x723/0xbe0 [ 911.298600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 911.298600][ T10] ___sys_sendmsg+0xee/0x170 [ 911.298600][ T10] __sys_sendmsg+0xcd/0x170 [ 911.298600][ T10] do_syscall_64+0xc6/0x1e0 [ 911.298600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.298600][ T10] [ 911.301929][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 911.301929][ T10] netdev_get_by_index+0x5e/0x80 [ 911.301929][ T10] fib6_nh_init+0x3d8/0x1580 [ 911.301929][ T10] ip6_route_info_create+0xf18/0x17d0 [ 911.301929][ T10] ip6_route_add+0x1c/0x140 [ 911.301929][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 911.301929][ T10] addrconf_add_dev+0xe2/0x170 [ 911.301929][ T10] inet6_addr_add+0x12f/0xa40 [ 911.301929][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 911.301929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.301929][ T10] netlink_rcv_skb+0x130/0x360 [ 911.301929][ T10] netlink_unicast+0x449/0x710 [ 911.301929][ T10] netlink_sendmsg+0x723/0xbe0 [ 911.301929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 911.301929][ T10] ___sys_sendmsg+0xee/0x170 [ 911.301929][ T10] __sys_sendmsg+0xcd/0x170 [ 911.301929][ T10] do_syscall_64+0xc6/0x1e0 [ 911.301929][ T10] [ 911.305177][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 911.305177][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 911.305177][ T10] ipv6_find_idev+0x102/0x170 [ 911.305177][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 911.305177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.305177][ T10] netlink_rcv_skb+0x130/0x360 [ 911.305177][ T10] netlink_unicast+0x449/0x710 [ 911.305177][ T10] netlink_sendmsg+0x723/0xbe0 [ 911.305177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 911.305177][ T10] ___sys_sendmsg+0xee/0x170 [ 911.305177][ T10] __sys_sendmsg+0xcd/0x170 [ 911.305177][ T10] do_syscall_64+0xc6/0x1e0 [ 911.305177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.305177][ T10] [ 911.307860][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 911.307860][ T10] neigh_parms_alloc+0x1e5/0x510 [ 911.307860][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 911.307860][ T10] ipv6_find_idev+0x102/0x170 [ 911.307860][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 911.307860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.307860][ T10] netlink_rcv_skb+0x130/0x360 [ 911.307860][ T10] netlink_unicast+0x449/0x710 [ 911.307860][ T10] netlink_sendmsg+0x723/0xbe0 [ 911.307860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 911.307860][ T10] ___sys_sendmsg+0xee/0x170 [ 911.307860][ T10] __sys_sendmsg+0xcd/0x170 [ 911.307860][ T10] do_syscall_64+0xc6/0x1e0 [ 911.307860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.307860][ T10] [ 911.310798][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 911.311282][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 911.311282][ T10] netdev_get_by_index+0x5e/0x80 [ 911.311282][ T10] fib6_nh_init+0x3d8/0x1580 [ 911.311282][ T10] ip6_route_info_create+0xf18/0x17d0 [ 911.311282][ T10] addrconf_f6i_alloc+0x265/0x560 [ 911.311282][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 911.311282][ T10] addrconf_join_anycast+0x1c0/0x220 [ 911.311282][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 911.311282][ T10] addrconf_dad_completed+0x12b/0xe20 [ 911.311282][ T10] addrconf_dad_begin+0x310/0x670 [ 911.311282][ T10] addrconf_dad_work+0x10b/0xab0 [ 911.311282][ T10] process_one_work+0x84d/0x18a0 [ 911.311282][ T10] worker_thread+0x587/0xd30 [ 911.311282][ T10] kthread+0x28a/0x350 [ 911.311282][ T10] ret_from_fork+0x31/0x70 [ 911.311282][ T10] ret_from_fork_asm+0x1a/0x30 [ 911.311282][ T10] [ 911.314615][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 911.314615][ T10] netdev_get_by_index+0x5e/0x80 [ 911.314615][ T10] fib6_nh_init+0x3d8/0x1580 [ 911.314615][ T10] ip6_route_info_create+0xf18/0x17d0 [ 911.314615][ T10] ip6_route_add+0x1c/0x140 [ 911.314615][ T10] addrconf_prefix_route+0x2a6/0x430 [ 911.314615][ T10] inet6_addr_add+0x4f8/0xa40 [ 911.314615][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 911.314615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.314615][ T10] netlink_rcv_skb+0x130/0x360 [ 911.314615][ T10] netlink_unicast+0x449/0x710 [ 911.314615][ T10] netlink_sendmsg+0x723/0xbe0 [ 911.314615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 911.314615][ T10] ___sys_sendmsg+0xee/0x170 [ 911.314615][ T10] __sys_sendmsg+0xcd/0x170 [ 911.314615][ T10] do_syscall_64+0xc6/0x1e0 [ 911.314615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.314615][ T10] [ 911.318015][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 911.318015][ T10] netdev_get_by_index+0x5e/0x80 [ 911.318015][ T10] fib6_nh_init+0x3d8/0x1580 [ 911.318015][ T10] ip6_route_info_create+0xf18/0x17d0 [ 911.318015][ T10] addrconf_f6i_alloc+0x315/0x560 [ 911.318015][ T10] ipv6_add_addr+0x411/0x2000 [ 911.318015][ T10] inet6_addr_add+0x30e/0xa40 [ 911.318015][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 911.318015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.318015][ T10] netlink_rcv_skb+0x130/0x360 [ 911.318015][ T10] netlink_unicast+0x449/0x710 [ 911.318015][ T10] netlink_sendmsg+0x723/0xbe0 [ 911.318015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 911.318015][ T10] ___sys_sendmsg+0xee/0x170 [ 911.318015][ T10] __sys_sendmsg+0xcd/0x170 [ 911.318015][ T10] do_syscall_64+0xc6/0x1e0 [ 911.318015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.318015][ T10] [ 911.321538][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 911.321538][ T10] netdev_get_by_index+0x5e/0x80 [ 911.321538][ T10] fib6_nh_init+0x3d8/0x1580 [ 911.321538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 911.321538][ T10] ip6_route_add+0x1c/0x140 [ 911.321538][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 911.321538][ T10] addrconf_add_dev+0xe2/0x170 [ 911.321538][ T10] inet6_addr_add+0x12f/0xa40 [ 911.321538][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 911.321538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.321538][ T10] netlink_rcv_skb+0x130/0x360 [ 911.321538][ T10] netlink_unicast+0x449/0x710 [ 911.321538][ T10] netlink_sendmsg+0x723/0xbe0 [ 911.321538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 911.321538][ T10] ___sys_sendmsg+0xee/0x170 [ 911.321538][ T10] __sys_sendmsg+0xcd/0x170 [ 911.321538][ T10] do_syscall_64+0xc6/0x1e0 [ 911.321538][ T10] [ 911.324902][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 911.324902][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 911.324902][ T10] ipv6_find_idev+0x102/0x170 [ 911.324902][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 911.324902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.324902][ T10] netlink_rcv_skb+0x130/0x360 [ 911.324902][ T10] netlink_unicast+0x449/0x710 [ 911.324902][ T10] netlink_sendmsg+0x723/0xbe0 [ 911.324902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 911.324902][ T10] ___sys_sendmsg+0xee/0x170 [ 911.324902][ T10] __sys_sendmsg+0xcd/0x170 [ 911.324902][ T10] do_syscall_64+0xc6/0x1e0 [ 911.324902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.324902][ T10] [ 911.327471][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 911.327471][ T10] neigh_parms_alloc+0x1e5/0x510 [ 911.327471][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 911.327471][ T10] ipv6_find_idev+0x102/0x170 [ 911.327471][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 911.327471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.327471][ T10] netlink_rcv_skb+0x130/0x360 [ 911.327471][ T10] netlink_unicast+0x449/0x710 [ 911.327471][ T10] netlink_sendmsg+0x723/0xbe0 [ 911.327471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 911.327471][ T10] ___sys_sendmsg+0xee/0x170 [ 911.327471][ T10] __sys_sendmsg+0xcd/0x170 [ 911.327471][ T10] do_syscall_64+0xc6/0x1e0 [ 911.327471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.327471][ T10] [ 921.417100][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 921.417104][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 921.417636][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 921.417636][ T1167] dst_init+0x84/0x4a0 [ 921.417636][ T1167] dst_alloc+0x97/0x150 [ 921.417636][ T1167] ip6_dst_alloc+0x23/0x90 [ 921.417636][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 921.417636][ T1167] ip6_pol_route+0x56f/0x840 [ 921.417636][ T1167] fib6_rule_lookup+0x334/0x630 [ 921.417636][ T1167] ip6_route_output_flags+0x259/0x480 [ 921.417636][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 921.417636][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 921.417636][ T1167] netlink_rcv_skb+0x130/0x360 [ 921.417636][ T1167] netlink_unicast+0x449/0x710 [ 921.417636][ T1167] netlink_sendmsg+0x723/0xbe0 [ 921.417636][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 921.417636][ T1167] ___sys_sendmsg+0xee/0x170 [ 921.417636][ T1167] __sys_sendmsg+0xcd/0x170 [ 921.417636][ T1167] do_syscall_64+0xc6/0x1e0 [ 921.417636][ T1167] [ 921.417809][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 921.417809][ T10] netdev_get_by_index+0x5e/0x80 [ 921.417809][ T10] fib6_nh_init+0x3d8/0x1580 [ 921.417809][ T10] ip6_route_info_create+0xf18/0x17d0 [ 921.417809][ T10] addrconf_f6i_alloc+0x265/0x560 [ 921.417809][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 921.417809][ T10] addrconf_join_anycast+0x1c0/0x220 [ 921.417809][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 921.417809][ T10] addrconf_dad_completed+0x12b/0xe20 [ 921.417809][ T10] addrconf_dad_begin+0x310/0x670 [ 921.417809][ T10] addrconf_dad_work+0x10b/0xab0 [ 921.417809][ T10] process_one_work+0x84d/0x18a0 [ 921.417809][ T10] worker_thread+0x587/0xd30 [ 921.417809][ T10] kthread+0x28a/0x350 [ 921.417809][ T10] ret_from_fork+0x31/0x70 [ 921.417809][ T10] ret_from_fork_asm+0x1a/0x30 [ 921.417809][ T10] [ 921.419952][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 921.419952][ T1167] netdev_get_by_index+0x5e/0x80 [ 921.419952][ T1167] fib6_nh_init+0x3d8/0x1580 [ 921.419952][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 921.419952][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 921.419952][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 921.419952][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 921.419952][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 921.419952][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 921.419952][ T1167] addrconf_dad_begin+0x310/0x670 [ 921.419952][ T1167] addrconf_dad_work+0x10b/0xab0 [ 921.419952][ T1167] process_one_work+0x84d/0x18a0 [ 921.419952][ T1167] worker_thread+0x587/0xd30 [ 921.419952][ T1167] kthread+0x28a/0x350 [ 921.419952][ T1167] ret_from_fork+0x31/0x70 [ 921.419952][ T1167] ret_from_fork_asm+0x1a/0x30 [ 921.419952][ T1167] [ 921.421874][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 921.421874][ T10] netdev_get_by_index+0x5e/0x80 [ 921.421874][ T10] fib6_nh_init+0x3d8/0x1580 [ 921.421874][ T10] ip6_route_info_create+0xf18/0x17d0 [ 921.421874][ T10] ip6_route_add+0x1c/0x140 [ 921.421874][ T10] addrconf_prefix_route+0x2a6/0x430 [ 921.421874][ T10] inet6_addr_add+0x4f8/0xa40 [ 921.421874][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 921.421874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.421874][ T10] netlink_rcv_skb+0x130/0x360 [ 921.421874][ T10] netlink_unicast+0x449/0x710 [ 921.421874][ T10] netlink_sendmsg+0x723/0xbe0 [ 921.421874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 921.421874][ T10] ___sys_sendmsg+0xee/0x170 [ 921.421874][ T10] __sys_sendmsg+0xcd/0x170 [ 921.421874][ T10] do_syscall_64+0xc6/0x1e0 [ 921.421874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.421874][ T10] [ 921.424203][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 921.424203][ T1167] netdev_get_by_index+0x5e/0x80 [ 921.424203][ T1167] fib6_nh_init+0x3d8/0x1580 [ 921.424203][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 921.424203][ T1167] ip6_route_add+0x1c/0x140 [ 921.424203][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 921.424203][ T1167] inet6_addr_add+0x4f8/0xa40 [ 921.424203][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 921.424203][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.424203][ T1167] netlink_rcv_skb+0x130/0x360 [ 921.424203][ T1167] netlink_unicast+0x449/0x710 [ 921.424203][ T1167] netlink_sendmsg+0x723/0xbe0 [ 921.424203][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 921.424203][ T1167] ___sys_sendmsg+0xee/0x170 [ 921.424203][ T1167] __sys_sendmsg+0xcd/0x170 [ 921.424203][ T1167] do_syscall_64+0xc6/0x1e0 [ 921.424203][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.424203][ T1167] [ 921.426209][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 921.426209][ T10] netdev_get_by_index+0x5e/0x80 [ 921.426209][ T10] fib6_nh_init+0x3d8/0x1580 [ 921.426209][ T10] ip6_route_info_create+0xf18/0x17d0 [ 921.426209][ T10] addrconf_f6i_alloc+0x315/0x560 [ 921.426209][ T10] ipv6_add_addr+0x411/0x2000 [ 921.426209][ T10] inet6_addr_add+0x30e/0xa40 [ 921.426209][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 921.426209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.426209][ T10] netlink_rcv_skb+0x130/0x360 [ 921.426209][ T10] netlink_unicast+0x449/0x710 [ 921.426209][ T10] netlink_sendmsg+0x723/0xbe0 [ 921.426209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 921.426209][ T10] ___sys_sendmsg+0xee/0x170 [ 921.426209][ T10] __sys_sendmsg+0xcd/0x170 [ 921.426209][ T10] do_syscall_64+0xc6/0x1e0 [ 921.426209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.426209][ T10] [ 921.428607][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 921.428607][ T1167] netdev_get_by_index+0x5e/0x80 [ 921.428607][ T1167] fib6_nh_init+0x3d8/0x1580 [ 921.428607][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 921.428607][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 921.428607][ T1167] ipv6_add_addr+0x411/0x2000 [ 921.428607][ T1167] inet6_addr_add+0x30e/0xa40 [ 921.428607][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 921.428607][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.428607][ T1167] netlink_rcv_skb+0x130/0x360 [ 921.428607][ T1167] netlink_unicast+0x449/0x710 [ 921.428607][ T1167] netlink_sendmsg+0x723/0xbe0 [ 921.428607][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 921.428607][ T1167] ___sys_sendmsg+0xee/0x170 [ 921.428607][ T1167] __sys_sendmsg+0xcd/0x170 [ 921.428607][ T1167] do_syscall_64+0xc6/0x1e0 [ 921.428607][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.428607][ T1167] [ 921.430620][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 921.430620][ T10] netdev_get_by_index+0x5e/0x80 [ 921.430620][ T10] fib6_nh_init+0x3d8/0x1580 [ 921.430620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 921.430620][ T10] ip6_route_add+0x1c/0x140 [ 921.430620][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 921.430620][ T10] addrconf_add_dev+0xe2/0x170 [ 921.430620][ T10] inet6_addr_add+0x12f/0xa40 [ 921.430620][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 921.430620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.430620][ T10] netlink_rcv_skb+0x130/0x360 [ 921.430620][ T10] netlink_unicast+0x449/0x710 [ 921.430620][ T10] netlink_sendmsg+0x723/0xbe0 [ 921.430620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 921.430620][ T10] ___sys_sendmsg+0xee/0x170 [ 921.430620][ T10] __sys_sendmsg+0xcd/0x170 [ 921.430620][ T10] do_syscall_64+0xc6/0x1e0 [ 921.430620][ T10] [ 921.432988][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 921.432988][ T1167] netdev_get_by_index+0x5e/0x80 [ 921.432988][ T1167] fib6_nh_init+0x3d8/0x1580 [ 921.432988][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 921.432988][ T1167] ip6_route_add+0x1c/0x140 [ 921.432988][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 921.432988][ T1167] addrconf_add_dev+0xe2/0x170 [ 921.432988][ T1167] inet6_addr_add+0x12f/0xa40 [ 921.432988][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 921.432988][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.432988][ T1167] netlink_rcv_skb+0x130/0x360 [ 921.432988][ T1167] netlink_unicast+0x449/0x710 [ 921.432988][ T1167] netlink_sendmsg+0x723/0xbe0 [ 921.432988][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 921.432988][ T1167] ___sys_sendmsg+0xee/0x170 [ 921.432988][ T1167] __sys_sendmsg+0xcd/0x170 [ 921.432988][ T1167] do_syscall_64+0xc6/0x1e0 [ 921.432988][ T1167] [ 921.434973][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 921.434973][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 921.434973][ T10] ipv6_find_idev+0x102/0x170 [ 921.434973][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 921.434973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.434973][ T10] netlink_rcv_skb+0x130/0x360 [ 921.434973][ T10] netlink_unicast+0x449/0x710 [ 921.434973][ T10] netlink_sendmsg+0x723/0xbe0 [ 921.434973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 921.434973][ T10] ___sys_sendmsg+0xee/0x170 [ 921.434973][ T10] __sys_sendmsg+0xcd/0x170 [ 921.434973][ T10] do_syscall_64+0xc6/0x1e0 [ 921.434973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.434973][ T10] [ 921.437210][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 921.437210][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 921.437210][ T1167] ipv6_find_idev+0x102/0x170 [ 921.437210][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 921.437210][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.437210][ T1167] netlink_rcv_skb+0x130/0x360 [ 921.437210][ T1167] netlink_unicast+0x449/0x710 [ 921.437210][ T1167] netlink_sendmsg+0x723/0xbe0 [ 921.437210][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 921.437210][ T1167] ___sys_sendmsg+0xee/0x170 [ 921.437210][ T1167] __sys_sendmsg+0xcd/0x170 [ 921.437210][ T1167] do_syscall_64+0xc6/0x1e0 [ 921.437210][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.437210][ T1167] [ 921.438762][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 921.438762][ T10] neigh_parms_alloc+0x1e5/0x510 [ 921.438762][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 921.438762][ T10] ipv6_find_idev+0x102/0x170 [ 921.438762][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 921.438762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.438762][ T10] netlink_rcv_skb+0x130/0x360 [ 921.438762][ T10] netlink_unicast+0x449/0x710 [ 921.438762][ T10] netlink_sendmsg+0x723/0xbe0 [ 921.438762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 921.438762][ T10] ___sys_sendmsg+0xee/0x170 [ 921.438762][ T10] __sys_sendmsg+0xcd/0x170 [ 921.438762][ T10] do_syscall_64+0xc6/0x1e0 [ 921.438762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.438762][ T10] [ 921.440630][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 921.440630][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 921.440630][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 921.440630][ T1167] ipv6_find_idev+0x102/0x170 [ 921.440630][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 921.440630][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.440630][ T1167] netlink_rcv_skb+0x130/0x360 [ 921.440630][ T1167] netlink_unicast+0x449/0x710 [ 921.440630][ T1167] netlink_sendmsg+0x723/0xbe0 [ 921.440630][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 921.440630][ T1167] ___sys_sendmsg+0xee/0x170 [ 921.440630][ T1167] __sys_sendmsg+0xcd/0x170 [ 921.440630][ T1167] do_syscall_64+0xc6/0x1e0 [ 921.440630][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.440630][ T1167] [ 921.442362][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 921.444653][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 921.444653][ T10] netdev_get_by_index+0x5e/0x80 [ 921.444653][ T10] fib6_nh_init+0x3d8/0x1580 [ 921.444653][ T10] ip6_route_info_create+0xf18/0x17d0 [ 921.444653][ T10] addrconf_f6i_alloc+0x265/0x560 [ 921.444653][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 921.444653][ T10] addrconf_join_anycast+0x1c0/0x220 [ 921.444653][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 921.444653][ T10] addrconf_dad_completed+0x12b/0xe20 [ 921.444653][ T10] addrconf_dad_begin+0x310/0x670 [ 921.444653][ T10] addrconf_dad_work+0x10b/0xab0 [ 921.444653][ T10] process_one_work+0x84d/0x18a0 [ 921.444653][ T10] worker_thread+0x587/0xd30 [ 921.444653][ T10] kthread+0x28a/0x350 [ 921.444653][ T10] ret_from_fork+0x31/0x70 [ 921.444653][ T10] ret_from_fork_asm+0x1a/0x30 [ 921.444653][ T10] [ 921.446691][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 921.446691][ T10] netdev_get_by_index+0x5e/0x80 [ 921.446691][ T10] fib6_nh_init+0x3d8/0x1580 [ 921.446691][ T10] ip6_route_info_create+0xf18/0x17d0 [ 921.446691][ T10] ip6_route_add+0x1c/0x140 [ 921.446691][ T10] addrconf_prefix_route+0x2a6/0x430 [ 921.446691][ T10] inet6_addr_add+0x4f8/0xa40 [ 921.446691][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 921.446691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.446691][ T10] netlink_rcv_skb+0x130/0x360 [ 921.446691][ T10] netlink_unicast+0x449/0x710 [ 921.446691][ T10] netlink_sendmsg+0x723/0xbe0 [ 921.446691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 921.446691][ T10] ___sys_sendmsg+0xee/0x170 [ 921.446691][ T10] __sys_sendmsg+0xcd/0x170 [ 921.446691][ T10] do_syscall_64+0xc6/0x1e0 [ 921.446691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.446691][ T10] [ 921.448972][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 921.448972][ T10] netdev_get_by_index+0x5e/0x80 [ 921.448972][ T10] fib6_nh_init+0x3d8/0x1580 [ 921.448972][ T10] ip6_route_info_create+0xf18/0x17d0 [ 921.448972][ T10] addrconf_f6i_alloc+0x315/0x560 [ 921.448972][ T10] ipv6_add_addr+0x411/0x2000 [ 921.448972][ T10] inet6_addr_add+0x30e/0xa40 [ 921.448972][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 921.448972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.448972][ T10] netlink_rcv_skb+0x130/0x360 [ 921.448972][ T10] netlink_unicast+0x449/0x710 [ 921.448972][ T10] netlink_sendmsg+0x723/0xbe0 [ 921.448972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 921.448972][ T10] ___sys_sendmsg+0xee/0x170 [ 921.448972][ T10] __sys_sendmsg+0xcd/0x170 [ 921.448972][ T10] do_syscall_64+0xc6/0x1e0 [ 921.448972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.448972][ T10] [ 921.451232][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 921.451232][ T10] netdev_get_by_index+0x5e/0x80 [ 921.451232][ T10] fib6_nh_init+0x3d8/0x1580 [ 921.451232][ T10] ip6_route_info_create+0xf18/0x17d0 [ 921.451232][ T10] ip6_route_add+0x1c/0x140 [ 921.451232][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 921.451232][ T10] addrconf_add_dev+0xe2/0x170 [ 921.451232][ T10] inet6_addr_add+0x12f/0xa40 [ 921.451232][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 921.451232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.451232][ T10] netlink_rcv_skb+0x130/0x360 [ 921.451232][ T10] netlink_unicast+0x449/0x710 [ 921.451232][ T10] netlink_sendmsg+0x723/0xbe0 [ 921.451232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 921.451232][ T10] ___sys_sendmsg+0xee/0x170 [ 921.451232][ T10] __sys_sendmsg+0xcd/0x170 [ 921.451232][ T10] do_syscall_64+0xc6/0x1e0 [ 921.451232][ T10] [ 921.453390][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 921.453390][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 921.453390][ T10] ipv6_find_idev+0x102/0x170 [ 921.453390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 921.453390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.453390][ T10] netlink_rcv_skb+0x130/0x360 [ 921.453390][ T10] netlink_unicast+0x449/0x710 [ 921.453390][ T10] netlink_sendmsg+0x723/0xbe0 [ 921.453390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 921.453390][ T10] ___sys_sendmsg+0xee/0x170 [ 921.453390][ T10] __sys_sendmsg+0xcd/0x170 [ 921.453390][ T10] do_syscall_64+0xc6/0x1e0 [ 921.453390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.453390][ T10] [ 921.455143][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 921.455143][ T10] neigh_parms_alloc+0x1e5/0x510 [ 921.455143][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 921.455143][ T10] ipv6_find_idev+0x102/0x170 [ 921.455143][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 921.455143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.455143][ T10] netlink_rcv_skb+0x130/0x360 [ 921.455143][ T10] netlink_unicast+0x449/0x710 [ 921.455143][ T10] netlink_sendmsg+0x723/0xbe0 [ 921.455143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 921.455143][ T10] ___sys_sendmsg+0xee/0x170 [ 921.455143][ T10] __sys_sendmsg+0xcd/0x170 [ 921.455143][ T10] do_syscall_64+0xc6/0x1e0 [ 921.455143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.455143][ T10] [ 921.457042][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 921.457360][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 921.457360][ T10] netdev_get_by_index+0x5e/0x80 [ 921.457360][ T10] fib6_nh_init+0x3d8/0x1580 [ 921.457360][ T10] ip6_route_info_create+0xf18/0x17d0 [ 921.457360][ T10] addrconf_f6i_alloc+0x265/0x560 [ 921.457360][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 921.457360][ T10] addrconf_join_anycast+0x1c0/0x220 [ 921.457360][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 921.457360][ T10] addrconf_dad_completed+0x12b/0xe20 [ 921.457360][ T10] addrconf_dad_begin+0x310/0x670 [ 921.457360][ T10] addrconf_dad_work+0x10b/0xab0 [ 921.457360][ T10] process_one_work+0x84d/0x18a0 [ 921.457360][ T10] worker_thread+0x587/0xd30 [ 921.457360][ T10] kthread+0x28a/0x350 [ 921.457360][ T10] ret_from_fork+0x31/0x70 [ 921.457360][ T10] ret_from_fork_asm+0x1a/0x30 [ 921.457360][ T10] [ 921.459532][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 921.459532][ T10] netdev_get_by_index+0x5e/0x80 [ 921.459532][ T10] fib6_nh_init+0x3d8/0x1580 [ 921.459532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 921.459532][ T10] ip6_route_add+0x1c/0x140 [ 921.459532][ T10] addrconf_prefix_route+0x2a6/0x430 [ 921.459532][ T10] inet6_addr_add+0x4f8/0xa40 [ 921.459532][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 921.459532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.459532][ T10] netlink_rcv_skb+0x130/0x360 [ 921.459532][ T10] netlink_unicast+0x449/0x710 [ 921.459532][ T10] netlink_sendmsg+0x723/0xbe0 [ 921.459532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 921.459532][ T10] ___sys_sendmsg+0xee/0x170 [ 921.459532][ T10] __sys_sendmsg+0xcd/0x170 [ 921.459532][ T10] do_syscall_64+0xc6/0x1e0 [ 921.459532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.459532][ T10] [ 921.461786][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 921.461786][ T10] netdev_get_by_index+0x5e/0x80 [ 921.461786][ T10] fib6_nh_init+0x3d8/0x1580 [ 921.461786][ T10] ip6_route_info_create+0xf18/0x17d0 [ 921.461786][ T10] addrconf_f6i_alloc+0x315/0x560 [ 921.461786][ T10] ipv6_add_addr+0x411/0x2000 [ 921.461786][ T10] inet6_addr_add+0x30e/0xa40 [ 921.461786][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 921.461786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.461786][ T10] netlink_rcv_skb+0x130/0x360 [ 921.461786][ T10] netlink_unicast+0x449/0x710 [ 921.461786][ T10] netlink_sendmsg+0x723/0xbe0 [ 921.461786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 921.461786][ T10] ___sys_sendmsg+0xee/0x170 [ 921.461786][ T10] __sys_sendmsg+0xcd/0x170 [ 921.461786][ T10] do_syscall_64+0xc6/0x1e0 [ 921.461786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.461786][ T10] [ 921.464041][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 921.464041][ T10] netdev_get_by_index+0x5e/0x80 [ 921.464041][ T10] fib6_nh_init+0x3d8/0x1580 [ 921.464041][ T10] ip6_route_info_create+0xf18/0x17d0 [ 921.464041][ T10] ip6_route_add+0x1c/0x140 [ 921.464041][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 921.464041][ T10] addrconf_add_dev+0xe2/0x170 [ 921.464041][ T10] inet6_addr_add+0x12f/0xa40 [ 921.464041][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 921.464041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.464041][ T10] netlink_rcv_skb+0x130/0x360 [ 921.464041][ T10] netlink_unicast+0x449/0x710 [ 921.464041][ T10] netlink_sendmsg+0x723/0xbe0 [ 921.464041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 921.464041][ T10] ___sys_sendmsg+0xee/0x170 [ 921.464041][ T10] __sys_sendmsg+0xcd/0x170 [ 921.464041][ T10] do_syscall_64+0xc6/0x1e0 [ 921.464041][ T10] [ 921.466185][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 921.466185][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 921.466185][ T10] ipv6_find_idev+0x102/0x170 [ 921.466185][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 921.466185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.466185][ T10] netlink_rcv_skb+0x130/0x360 [ 921.466185][ T10] netlink_unicast+0x449/0x710 [ 921.466185][ T10] netlink_sendmsg+0x723/0xbe0 [ 921.466185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 921.466185][ T10] ___sys_sendmsg+0xee/0x170 [ 921.466185][ T10] __sys_sendmsg+0xcd/0x170 [ 921.466185][ T10] do_syscall_64+0xc6/0x1e0 [ 921.466185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.466185][ T10] [ 921.467975][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 921.467975][ T10] neigh_parms_alloc+0x1e5/0x510 [ 921.467975][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 921.467975][ T10] ipv6_find_idev+0x102/0x170 [ 921.467975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 921.467975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.467975][ T10] netlink_rcv_skb+0x130/0x360 [ 921.467975][ T10] netlink_unicast+0x449/0x710 [ 921.467975][ T10] netlink_sendmsg+0x723/0xbe0 [ 921.467975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 921.467975][ T10] ___sys_sendmsg+0xee/0x170 [ 921.467975][ T10] __sys_sendmsg+0xcd/0x170 [ 921.467975][ T10] do_syscall_64+0xc6/0x1e0 [ 921.467975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.467975][ T10] [ 921.469858][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 921.470549][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 921.470549][ T10] netdev_get_by_index+0x5e/0x80 [ 921.470549][ T10] fib6_nh_init+0x3d8/0x1580 [ 921.470549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 921.470549][ T10] addrconf_f6i_alloc+0x265/0x560 [ 921.470549][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 921.470549][ T10] addrconf_join_anycast+0x1c0/0x220 [ 921.470549][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 921.470549][ T10] addrconf_dad_completed+0x12b/0xe20 [ 921.470549][ T10] addrconf_dad_begin+0x310/0x670 [ 921.470549][ T10] addrconf_dad_work+0x10b/0xab0 [ 921.470549][ T10] process_one_work+0x84d/0x18a0 [ 921.470549][ T10] worker_thread+0x587/0xd30 [ 921.470549][ T10] kthread+0x28a/0x350 [ 921.470549][ T10] ret_from_fork+0x31/0x70 [ 921.470549][ T10] ret_from_fork_asm+0x1a/0x30 [ 921.470549][ T10] [ 921.472466][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 921.472466][ T10] netdev_get_by_index+0x5e/0x80 [ 921.472466][ T10] fib6_nh_init+0x3d8/0x1580 [ 921.472466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 921.472466][ T10] ip6_route_add+0x1c/0x140 [ 921.472466][ T10] addrconf_prefix_route+0x2a6/0x430 [ 921.472466][ T10] inet6_addr_add+0x4f8/0xa40 [ 921.472466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 921.472466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.472466][ T10] netlink_rcv_skb+0x130/0x360 [ 921.472466][ T10] netlink_unicast+0x449/0x710 [ 921.472466][ T10] netlink_sendmsg+0x723/0xbe0 [ 921.472466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 921.472466][ T10] ___sys_sendmsg+0xee/0x170 [ 921.472466][ T10] __sys_sendmsg+0xcd/0x170 [ 921.472466][ T10] do_syscall_64+0xc6/0x1e0 [ 921.472466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.472466][ T10] [ 921.474474][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 921.474474][ T10] netdev_get_by_index+0x5e/0x80 [ 921.474474][ T10] fib6_nh_init+0x3d8/0x1580 [ 921.474474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 921.474474][ T10] addrconf_f6i_alloc+0x315/0x560 [ 921.474474][ T10] ipv6_add_addr+0x411/0x2000 [ 921.474474][ T10] inet6_addr_add+0x30e/0xa40 [ 921.474474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 921.474474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.474474][ T10] netlink_rcv_skb+0x130/0x360 [ 921.474474][ T10] netlink_unicast+0x449/0x710 [ 921.474474][ T10] netlink_sendmsg+0x723/0xbe0 [ 921.474474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 921.474474][ T10] ___sys_sendmsg+0xee/0x170 [ 921.474474][ T10] __sys_sendmsg+0xcd/0x170 [ 921.474474][ T10] do_syscall_64+0xc6/0x1e0 [ 921.474474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.474474][ T10] [ 921.476470][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 921.476470][ T10] netdev_get_by_index+0x5e/0x80 [ 921.476470][ T10] fib6_nh_init+0x3d8/0x1580 [ 921.476470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 921.476470][ T10] ip6_route_add+0x1c/0x140 [ 921.476470][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 921.476470][ T10] addrconf_add_dev+0xe2/0x170 [ 921.476470][ T10] inet6_addr_add+0x12f/0xa40 [ 921.476470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 921.476470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.476470][ T10] netlink_rcv_skb+0x130/0x360 [ 921.476470][ T10] netlink_unicast+0x449/0x710 [ 921.476470][ T10] netlink_sendmsg+0x723/0xbe0 [ 921.476470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 921.476470][ T10] ___sys_sendmsg+0xee/0x170 [ 921.476470][ T10] __sys_sendmsg+0xcd/0x170 [ 921.476470][ T10] do_syscall_64+0xc6/0x1e0 [ 921.476470][ T10] [ 921.478432][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 921.478432][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 921.478432][ T10] ipv6_find_idev+0x102/0x170 [ 921.478432][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 921.478432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.478432][ T10] netlink_rcv_skb+0x130/0x360 [ 921.478432][ T10] netlink_unicast+0x449/0x710 [ 921.478432][ T10] netlink_sendmsg+0x723/0xbe0 [ 921.478432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 921.478432][ T10] ___sys_sendmsg+0xee/0x170 [ 921.478432][ T10] __sys_sendmsg+0xcd/0x170 [ 921.478432][ T10] do_syscall_64+0xc6/0x1e0 [ 921.478432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.478432][ T10] [ 921.480001][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 921.480001][ T10] neigh_parms_alloc+0x1e5/0x510 [ 921.480001][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 921.480001][ T10] ipv6_find_idev+0x102/0x170 [ 921.480001][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 921.480001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.480001][ T10] netlink_rcv_skb+0x130/0x360 [ 921.480001][ T10] netlink_unicast+0x449/0x710 [ 921.480001][ T10] netlink_sendmsg+0x723/0xbe0 [ 921.480001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 921.480001][ T10] ___sys_sendmsg+0xee/0x170 [ 921.480001][ T10] __sys_sendmsg+0xcd/0x170 [ 921.480001][ T10] do_syscall_64+0xc6/0x1e0 [ 921.480001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.480001][ T10] [ 931.473049][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 931.473588][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 931.473588][ T1167] dst_init+0x84/0x4a0 [ 931.473588][ T1167] dst_alloc+0x97/0x150 [ 931.473588][ T1167] ip6_dst_alloc+0x23/0x90 [ 931.473588][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 931.473588][ T1167] ip6_pol_route+0x56f/0x840 [ 931.473588][ T1167] fib6_rule_lookup+0x334/0x630 [ 931.473588][ T1167] ip6_route_output_flags+0x259/0x480 [ 931.473588][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 931.473588][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 931.473588][ T1167] netlink_rcv_skb+0x130/0x360 [ 931.473588][ T1167] netlink_unicast+0x449/0x710 [ 931.473588][ T1167] netlink_sendmsg+0x723/0xbe0 [ 931.473588][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 931.473588][ T1167] ___sys_sendmsg+0xee/0x170 [ 931.473588][ T1167] __sys_sendmsg+0xcd/0x170 [ 931.473588][ T1167] do_syscall_64+0xc6/0x1e0 [ 931.473588][ T1167] [ 931.475818][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 931.475818][ T1167] netdev_get_by_index+0x5e/0x80 [ 931.475818][ T1167] fib6_nh_init+0x3d8/0x1580 [ 931.475818][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 931.475818][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 931.475818][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 931.475818][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 931.475818][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 931.475818][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 931.475818][ T1167] addrconf_dad_begin+0x310/0x670 [ 931.475818][ T1167] addrconf_dad_work+0x10b/0xab0 [ 931.475818][ T1167] process_one_work+0x84d/0x18a0 [ 931.475818][ T1167] worker_thread+0x587/0xd30 [ 931.475818][ T1167] kthread+0x28a/0x350 [ 931.475818][ T1167] ret_from_fork+0x31/0x70 [ 931.475818][ T1167] ret_from_fork_asm+0x1a/0x30 [ 931.475818][ T1167] [ 931.477995][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 931.477995][ T1167] netdev_get_by_index+0x5e/0x80 [ 931.477995][ T1167] fib6_nh_init+0x3d8/0x1580 [ 931.477995][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 931.477995][ T1167] ip6_route_add+0x1c/0x140 [ 931.477995][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 931.477995][ T1167] inet6_addr_add+0x4f8/0xa40 [ 931.477995][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 931.477995][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.477995][ T1167] netlink_rcv_skb+0x130/0x360 [ 931.477995][ T1167] netlink_unicast+0x449/0x710 [ 931.477995][ T1167] netlink_sendmsg+0x723/0xbe0 [ 931.477995][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 931.477995][ T1167] ___sys_sendmsg+0xee/0x170 [ 931.477995][ T1167] __sys_sendmsg+0xcd/0x170 [ 931.477995][ T1167] do_syscall_64+0xc6/0x1e0 [ 931.477995][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.477995][ T1167] [ 931.480250][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 931.480250][ T1167] netdev_get_by_index+0x5e/0x80 [ 931.480250][ T1167] fib6_nh_init+0x3d8/0x1580 [ 931.480250][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 931.480250][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 931.480250][ T1167] ipv6_add_addr+0x411/0x2000 [ 931.480250][ T1167] inet6_addr_add+0x30e/0xa40 [ 931.480250][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 931.480250][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.480250][ T1167] netlink_rcv_skb+0x130/0x360 [ 931.480250][ T1167] netlink_unicast+0x449/0x710 [ 931.480250][ T1167] netlink_sendmsg+0x723/0xbe0 [ 931.480250][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 931.480250][ T1167] ___sys_sendmsg+0xee/0x170 [ 931.480250][ T1167] __sys_sendmsg+0xcd/0x170 [ 931.480250][ T1167] do_syscall_64+0xc6/0x1e0 [ 931.480250][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.480250][ T1167] [ 931.482525][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 931.482525][ T1167] netdev_get_by_index+0x5e/0x80 [ 931.482525][ T1167] fib6_nh_init+0x3d8/0x1580 [ 931.482525][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 931.482525][ T1167] ip6_route_add+0x1c/0x140 [ 931.482525][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 931.482525][ T1167] addrconf_add_dev+0xe2/0x170 [ 931.482525][ T1167] inet6_addr_add+0x12f/0xa40 [ 931.482525][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 931.482525][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.482525][ T1167] netlink_rcv_skb+0x130/0x360 [ 931.482525][ T1167] netlink_unicast+0x449/0x710 [ 931.482525][ T1167] netlink_sendmsg+0x723/0xbe0 [ 931.482525][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 931.482525][ T1167] ___sys_sendmsg+0xee/0x170 [ 931.482525][ T1167] __sys_sendmsg+0xcd/0x170 [ 931.482525][ T1167] do_syscall_64+0xc6/0x1e0 [ 931.482525][ T1167] [ 931.484767][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 931.484767][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 931.484767][ T1167] ipv6_find_idev+0x102/0x170 [ 931.484767][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 931.484767][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.484767][ T1167] netlink_rcv_skb+0x130/0x360 [ 931.484767][ T1167] netlink_unicast+0x449/0x710 [ 931.484767][ T1167] netlink_sendmsg+0x723/0xbe0 [ 931.484767][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 931.484767][ T1167] ___sys_sendmsg+0xee/0x170 [ 931.484767][ T1167] __sys_sendmsg+0xcd/0x170 [ 931.484767][ T1167] do_syscall_64+0xc6/0x1e0 [ 931.484767][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.484767][ T1167] [ 931.486518][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 931.486518][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 931.486518][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 931.486518][ T1167] ipv6_find_idev+0x102/0x170 [ 931.486518][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 931.486518][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.486518][ T1167] netlink_rcv_skb+0x130/0x360 [ 931.486518][ T1167] netlink_unicast+0x449/0x710 [ 931.486518][ T1167] netlink_sendmsg+0x723/0xbe0 [ 931.486518][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 931.486518][ T1167] ___sys_sendmsg+0xee/0x170 [ 931.486518][ T1167] __sys_sendmsg+0xcd/0x170 [ 931.486518][ T1167] do_syscall_64+0xc6/0x1e0 [ 931.486518][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.486518][ T1167] [ 931.721138][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 931.721618][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 931.721618][ T10] netdev_get_by_index+0x5e/0x80 [ 931.721618][ T10] fib6_nh_init+0x3d8/0x1580 [ 931.721618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 931.721618][ T10] addrconf_f6i_alloc+0x265/0x560 [ 931.721618][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 931.721618][ T10] addrconf_join_anycast+0x1c0/0x220 [ 931.721618][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 931.721618][ T10] addrconf_dad_completed+0x12b/0xe20 [ 931.721618][ T10] addrconf_dad_begin+0x310/0x670 [ 931.721618][ T10] addrconf_dad_work+0x10b/0xab0 [ 931.721618][ T10] process_one_work+0x84d/0x18a0 [ 931.721618][ T10] worker_thread+0x587/0xd30 [ 931.721618][ T10] kthread+0x28a/0x350 [ 931.721618][ T10] ret_from_fork+0x31/0x70 [ 931.721618][ T10] ret_from_fork_asm+0x1a/0x30 [ 931.721618][ T10] [ 931.723553][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 931.723553][ T10] netdev_get_by_index+0x5e/0x80 [ 931.723553][ T10] fib6_nh_init+0x3d8/0x1580 [ 931.723553][ T10] ip6_route_info_create+0xf18/0x17d0 [ 931.723553][ T10] ip6_route_add+0x1c/0x140 [ 931.723553][ T10] addrconf_prefix_route+0x2a6/0x430 [ 931.723553][ T10] inet6_addr_add+0x4f8/0xa40 [ 931.723553][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 931.723553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.723553][ T10] netlink_rcv_skb+0x130/0x360 [ 931.723553][ T10] netlink_unicast+0x449/0x710 [ 931.723553][ T10] netlink_sendmsg+0x723/0xbe0 [ 931.723553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 931.723553][ T10] ___sys_sendmsg+0xee/0x170 [ 931.723553][ T10] __sys_sendmsg+0xcd/0x170 [ 931.723553][ T10] do_syscall_64+0xc6/0x1e0 [ 931.723553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.723553][ T10] [ 931.725546][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 931.725546][ T10] netdev_get_by_index+0x5e/0x80 [ 931.725546][ T10] fib6_nh_init+0x3d8/0x1580 [ 931.725546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 931.725546][ T10] addrconf_f6i_alloc+0x315/0x560 [ 931.725546][ T10] ipv6_add_addr+0x411/0x2000 [ 931.725546][ T10] inet6_addr_add+0x30e/0xa40 [ 931.725546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 931.725546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.725546][ T10] netlink_rcv_skb+0x130/0x360 [ 931.725546][ T10] netlink_unicast+0x449/0x710 [ 931.725546][ T10] netlink_sendmsg+0x723/0xbe0 [ 931.725546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 931.725546][ T10] ___sys_sendmsg+0xee/0x170 [ 931.725546][ T10] __sys_sendmsg+0xcd/0x170 [ 931.725546][ T10] do_syscall_64+0xc6/0x1e0 [ 931.725546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.725546][ T10] [ 931.727550][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 931.727550][ T10] netdev_get_by_index+0x5e/0x80 [ 931.727550][ T10] fib6_nh_init+0x3d8/0x1580 [ 931.727550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 931.727550][ T10] ip6_route_add+0x1c/0x140 [ 931.727550][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 931.727550][ T10] addrconf_add_dev+0xe2/0x170 [ 931.727550][ T10] inet6_addr_add+0x12f/0xa40 [ 931.727550][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 931.727550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.727550][ T10] netlink_rcv_skb+0x130/0x360 [ 931.727550][ T10] netlink_unicast+0x449/0x710 [ 931.727550][ T10] netlink_sendmsg+0x723/0xbe0 [ 931.727550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 931.727550][ T10] ___sys_sendmsg+0xee/0x170 [ 931.727550][ T10] __sys_sendmsg+0xcd/0x170 [ 931.727550][ T10] do_syscall_64+0xc6/0x1e0 [ 931.727550][ T10] [ 931.729514][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 931.729514][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 931.729514][ T10] ipv6_find_idev+0x102/0x170 [ 931.729514][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 931.729514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.729514][ T10] netlink_rcv_skb+0x130/0x360 [ 931.729514][ T10] netlink_unicast+0x449/0x710 [ 931.729514][ T10] netlink_sendmsg+0x723/0xbe0 [ 931.729514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 931.729514][ T10] ___sys_sendmsg+0xee/0x170 [ 931.729514][ T10] __sys_sendmsg+0xcd/0x170 [ 931.729514][ T10] do_syscall_64+0xc6/0x1e0 [ 931.729514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.729514][ T10] [ 931.731033][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 931.731033][ T10] neigh_parms_alloc+0x1e5/0x510 [ 931.731033][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 931.731033][ T10] ipv6_find_idev+0x102/0x170 [ 931.731033][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 931.731033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.731033][ T10] netlink_rcv_skb+0x130/0x360 [ 931.731033][ T10] netlink_unicast+0x449/0x710 [ 931.731033][ T10] netlink_sendmsg+0x723/0xbe0 [ 931.731033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 931.731033][ T10] ___sys_sendmsg+0xee/0x170 [ 931.731033][ T10] __sys_sendmsg+0xcd/0x170 [ 931.731033][ T10] do_syscall_64+0xc6/0x1e0 [ 931.731033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.731033][ T10] [ 931.732703][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 931.732942][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 931.732942][ T10] netdev_get_by_index+0x5e/0x80 [ 931.732942][ T10] fib6_nh_init+0x3d8/0x1580 [ 931.732942][ T10] ip6_route_info_create+0xf18/0x17d0 [ 931.732942][ T10] addrconf_f6i_alloc+0x265/0x560 [ 931.732942][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 931.732942][ T10] addrconf_join_anycast+0x1c0/0x220 [ 931.732942][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 931.732942][ T10] addrconf_dad_completed+0x12b/0xe20 [ 931.732942][ T10] addrconf_dad_begin+0x310/0x670 [ 931.732942][ T10] addrconf_dad_work+0x10b/0xab0 [ 931.732942][ T10] process_one_work+0x84d/0x18a0 [ 931.732942][ T10] worker_thread+0x587/0xd30 [ 931.732942][ T10] kthread+0x28a/0x350 [ 931.732942][ T10] ret_from_fork+0x31/0x70 [ 931.732942][ T10] ret_from_fork_asm+0x1a/0x30 [ 931.732942][ T10] [ 931.734832][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 931.734832][ T10] netdev_get_by_index+0x5e/0x80 [ 931.734832][ T10] fib6_nh_init+0x3d8/0x1580 [ 931.734832][ T10] ip6_route_info_create+0xf18/0x17d0 [ 931.734832][ T10] ip6_route_add+0x1c/0x140 [ 931.734832][ T10] addrconf_prefix_route+0x2a6/0x430 [ 931.734832][ T10] inet6_addr_add+0x4f8/0xa40 [ 931.734832][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 931.734832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.734832][ T10] netlink_rcv_skb+0x130/0x360 [ 931.734832][ T10] netlink_unicast+0x449/0x710 [ 931.734832][ T10] netlink_sendmsg+0x723/0xbe0 [ 931.734832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 931.734832][ T10] ___sys_sendmsg+0xee/0x170 [ 931.734832][ T10] __sys_sendmsg+0xcd/0x170 [ 931.734832][ T10] do_syscall_64+0xc6/0x1e0 [ 931.734832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.734832][ T10] [ 931.736807][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 931.736807][ T10] netdev_get_by_index+0x5e/0x80 [ 931.736807][ T10] fib6_nh_init+0x3d8/0x1580 [ 931.736807][ T10] ip6_route_info_create+0xf18/0x17d0 [ 931.736807][ T10] addrconf_f6i_alloc+0x315/0x560 [ 931.736807][ T10] ipv6_add_addr+0x411/0x2000 [ 931.736807][ T10] inet6_addr_add+0x30e/0xa40 [ 931.736807][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 931.736807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.736807][ T10] netlink_rcv_skb+0x130/0x360 [ 931.736807][ T10] netlink_unicast+0x449/0x710 [ 931.736807][ T10] netlink_sendmsg+0x723/0xbe0 [ 931.736807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 931.736807][ T10] ___sys_sendmsg+0xee/0x170 [ 931.736807][ T10] __sys_sendmsg+0xcd/0x170 [ 931.736807][ T10] do_syscall_64+0xc6/0x1e0 [ 931.736807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.736807][ T10] [ 931.738781][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 931.738781][ T10] netdev_get_by_index+0x5e/0x80 [ 931.738781][ T10] fib6_nh_init+0x3d8/0x1580 [ 931.738781][ T10] ip6_route_info_create+0xf18/0x17d0 [ 931.738781][ T10] ip6_route_add+0x1c/0x140 [ 931.738781][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 931.738781][ T10] addrconf_add_dev+0xe2/0x170 [ 931.738781][ T10] inet6_addr_add+0x12f/0xa40 [ 931.738781][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 931.738781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.738781][ T10] netlink_rcv_skb+0x130/0x360 [ 931.738781][ T10] netlink_unicast+0x449/0x710 [ 931.738781][ T10] netlink_sendmsg+0x723/0xbe0 [ 931.738781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 931.738781][ T10] ___sys_sendmsg+0xee/0x170 [ 931.738781][ T10] __sys_sendmsg+0xcd/0x170 [ 931.738781][ T10] do_syscall_64+0xc6/0x1e0 [ 931.738781][ T10] [ 931.740719][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 931.740719][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 931.740719][ T10] ipv6_find_idev+0x102/0x170 [ 931.740719][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 931.740719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.740719][ T10] netlink_rcv_skb+0x130/0x360 [ 931.740719][ T10] netlink_unicast+0x449/0x710 [ 931.740719][ T10] netlink_sendmsg+0x723/0xbe0 [ 931.740719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 931.740719][ T10] ___sys_sendmsg+0xee/0x170 [ 931.740719][ T10] __sys_sendmsg+0xcd/0x170 [ 931.740719][ T10] do_syscall_64+0xc6/0x1e0 [ 931.740719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.740719][ T10] [ 931.742239][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 931.742239][ T10] neigh_parms_alloc+0x1e5/0x510 [ 931.742239][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 931.742239][ T10] ipv6_find_idev+0x102/0x170 [ 931.742239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 931.742239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.742239][ T10] netlink_rcv_skb+0x130/0x360 [ 931.742239][ T10] netlink_unicast+0x449/0x710 [ 931.742239][ T10] netlink_sendmsg+0x723/0xbe0 [ 931.742239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 931.742239][ T10] ___sys_sendmsg+0xee/0x170 [ 931.742239][ T10] __sys_sendmsg+0xcd/0x170 [ 931.742239][ T10] do_syscall_64+0xc6/0x1e0 [ 931.742239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.742239][ T10] [ 931.743908][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 931.744166][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 931.744166][ T10] netdev_get_by_index+0x5e/0x80 [ 931.744166][ T10] fib6_nh_init+0x3d8/0x1580 [ 931.744166][ T10] ip6_route_info_create+0xf18/0x17d0 [ 931.744166][ T10] addrconf_f6i_alloc+0x265/0x560 [ 931.744166][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 931.744166][ T10] addrconf_join_anycast+0x1c0/0x220 [ 931.744166][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 931.744166][ T10] addrconf_dad_completed+0x12b/0xe20 [ 931.744166][ T10] addrconf_dad_begin+0x310/0x670 [ 931.744166][ T10] addrconf_dad_work+0x10b/0xab0 [ 931.744166][ T10] process_one_work+0x84d/0x18a0 [ 931.744166][ T10] worker_thread+0x587/0xd30 [ 931.744166][ T10] kthread+0x28a/0x350 [ 931.744166][ T10] ret_from_fork+0x31/0x70 [ 931.744166][ T10] ret_from_fork_asm+0x1a/0x30 [ 931.744166][ T10] [ 931.746048][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 931.746048][ T10] netdev_get_by_index+0x5e/0x80 [ 931.746048][ T10] fib6_nh_init+0x3d8/0x1580 [ 931.746048][ T10] ip6_route_info_create+0xf18/0x17d0 [ 931.746048][ T10] ip6_route_add+0x1c/0x140 [ 931.746048][ T10] addrconf_prefix_route+0x2a6/0x430 [ 931.746048][ T10] inet6_addr_add+0x4f8/0xa40 [ 931.746048][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 931.746048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.746048][ T10] netlink_rcv_skb+0x130/0x360 [ 931.746048][ T10] netlink_unicast+0x449/0x710 [ 931.746048][ T10] netlink_sendmsg+0x723/0xbe0 [ 931.746048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 931.746048][ T10] ___sys_sendmsg+0xee/0x170 [ 931.746048][ T10] __sys_sendmsg+0xcd/0x170 [ 931.746048][ T10] do_syscall_64+0xc6/0x1e0 [ 931.746048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.746048][ T10] [ 931.748207][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 931.748207][ T10] netdev_get_by_index+0x5e/0x80 [ 931.748207][ T10] fib6_nh_init+0x3d8/0x1580 [ 931.748207][ T10] ip6_route_info_create+0xf18/0x17d0 [ 931.748207][ T10] addrconf_f6i_alloc+0x315/0x560 [ 931.748207][ T10] ipv6_add_addr+0x411/0x2000 [ 931.748207][ T10] inet6_addr_add+0x30e/0xa40 [ 931.748207][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 931.748207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.748207][ T10] netlink_rcv_skb+0x130/0x360 [ 931.748207][ T10] netlink_unicast+0x449/0x710 [ 931.748207][ T10] netlink_sendmsg+0x723/0xbe0 [ 931.748207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 931.748207][ T10] ___sys_sendmsg+0xee/0x170 [ 931.748207][ T10] __sys_sendmsg+0xcd/0x170 [ 931.748207][ T10] do_syscall_64+0xc6/0x1e0 [ 931.748207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.748207][ T10] [ 931.750485][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 931.750485][ T10] netdev_get_by_index+0x5e/0x80 [ 931.750485][ T10] fib6_nh_init+0x3d8/0x1580 [ 931.750485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 931.750485][ T10] ip6_route_add+0x1c/0x140 [ 931.750485][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 931.750485][ T10] addrconf_add_dev+0xe2/0x170 [ 931.750485][ T10] inet6_addr_add+0x12f/0xa40 [ 931.750485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 931.750485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.750485][ T10] netlink_rcv_skb+0x130/0x360 [ 931.750485][ T10] netlink_unicast+0x449/0x710 [ 931.750485][ T10] netlink_sendmsg+0x723/0xbe0 [ 931.750485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 931.750485][ T10] ___sys_sendmsg+0xee/0x170 [ 931.750485][ T10] __sys_sendmsg+0xcd/0x170 [ 931.750485][ T10] do_syscall_64+0xc6/0x1e0 [ 931.750485][ T10] [ 931.752610][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 931.752610][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 931.752610][ T10] ipv6_find_idev+0x102/0x170 [ 931.752610][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 931.752610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.752610][ T10] netlink_rcv_skb+0x130/0x360 [ 931.752610][ T10] netlink_unicast+0x449/0x710 [ 931.752610][ T10] netlink_sendmsg+0x723/0xbe0 [ 931.752610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 931.752610][ T10] ___sys_sendmsg+0xee/0x170 [ 931.752610][ T10] __sys_sendmsg+0xcd/0x170 [ 931.752610][ T10] do_syscall_64+0xc6/0x1e0 [ 931.752610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.752610][ T10] [ 931.754321][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 931.754321][ T10] neigh_parms_alloc+0x1e5/0x510 [ 931.754321][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 931.754321][ T10] ipv6_find_idev+0x102/0x170 [ 931.754321][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 931.754321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.754321][ T10] netlink_rcv_skb+0x130/0x360 [ 931.754321][ T10] netlink_unicast+0x449/0x710 [ 931.754321][ T10] netlink_sendmsg+0x723/0xbe0 [ 931.754321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 931.754321][ T10] ___sys_sendmsg+0xee/0x170 [ 931.754321][ T10] __sys_sendmsg+0xcd/0x170 [ 931.754321][ T10] do_syscall_64+0xc6/0x1e0 [ 931.754321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.754321][ T10] [ 931.756211][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 931.756470][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 931.756470][ T10] netdev_get_by_index+0x5e/0x80 [ 931.756470][ T10] fib6_nh_init+0x3d8/0x1580 [ 931.756470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 931.756470][ T10] addrconf_f6i_alloc+0x265/0x560 [ 931.756470][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 931.756470][ T10] addrconf_join_anycast+0x1c0/0x220 [ 931.756470][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 931.756470][ T10] addrconf_dad_completed+0x12b/0xe20 [ 931.756470][ T10] addrconf_dad_begin+0x310/0x670 [ 931.756470][ T10] addrconf_dad_work+0x10b/0xab0 [ 931.756470][ T10] process_one_work+0x84d/0x18a0 [ 931.756470][ T10] worker_thread+0x587/0xd30 [ 931.756470][ T10] kthread+0x28a/0x350 [ 931.756470][ T10] ret_from_fork+0x31/0x70 [ 931.756470][ T10] ret_from_fork_asm+0x1a/0x30 [ 931.756470][ T10] [ 931.758629][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 931.758629][ T10] netdev_get_by_index+0x5e/0x80 [ 931.758629][ T10] fib6_nh_init+0x3d8/0x1580 [ 931.758629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 931.758629][ T10] ip6_route_add+0x1c/0x140 [ 931.758629][ T10] addrconf_prefix_route+0x2a6/0x430 [ 931.758629][ T10] inet6_addr_add+0x4f8/0xa40 [ 931.758629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 931.758629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.758629][ T10] netlink_rcv_skb+0x130/0x360 [ 931.758629][ T10] netlink_unicast+0x449/0x710 [ 931.758629][ T10] netlink_sendmsg+0x723/0xbe0 [ 931.758629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 931.758629][ T10] ___sys_sendmsg+0xee/0x170 [ 931.758629][ T10] __sys_sendmsg+0xcd/0x170 [ 931.758629][ T10] do_syscall_64+0xc6/0x1e0 [ 931.758629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.758629][ T10] [ 931.760884][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 931.760884][ T10] netdev_get_by_index+0x5e/0x80 [ 931.760884][ T10] fib6_nh_init+0x3d8/0x1580 [ 931.760884][ T10] ip6_route_info_create+0xf18/0x17d0 [ 931.760884][ T10] addrconf_f6i_alloc+0x315/0x560 [ 931.760884][ T10] ipv6_add_addr+0x411/0x2000 [ 931.760884][ T10] inet6_addr_add+0x30e/0xa40 [ 931.760884][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 931.760884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.760884][ T10] netlink_rcv_skb+0x130/0x360 [ 931.760884][ T10] netlink_unicast+0x449/0x710 [ 931.760884][ T10] netlink_sendmsg+0x723/0xbe0 [ 931.760884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 931.760884][ T10] ___sys_sendmsg+0xee/0x170 [ 931.760884][ T10] __sys_sendmsg+0xcd/0x170 [ 931.760884][ T10] do_syscall_64+0xc6/0x1e0 [ 931.760884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.760884][ T10] [ 931.763650][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 931.763650][ T10] netdev_get_by_index+0x5e/0x80 [ 931.763650][ T10] fib6_nh_init+0x3d8/0x1580 [ 931.763650][ T10] ip6_route_info_create+0xf18/0x17d0 [ 931.763650][ T10] ip6_route_add+0x1c/0x140 [ 931.763650][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 931.763650][ T10] addrconf_add_dev+0xe2/0x170 [ 931.763650][ T10] inet6_addr_add+0x12f/0xa40 [ 931.763650][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 931.763650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.763650][ T10] netlink_rcv_skb+0x130/0x360 [ 931.763650][ T10] netlink_unicast+0x449/0x710 [ 931.763650][ T10] netlink_sendmsg+0x723/0xbe0 [ 931.763650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 931.763650][ T10] ___sys_sendmsg+0xee/0x170 [ 931.763650][ T10] __sys_sendmsg+0xcd/0x170 [ 931.763650][ T10] do_syscall_64+0xc6/0x1e0 [ 931.763650][ T10] [ 931.765808][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 931.765808][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 931.765808][ T10] ipv6_find_idev+0x102/0x170 [ 931.765808][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 931.765808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.765808][ T10] netlink_rcv_skb+0x130/0x360 [ 931.765808][ T10] netlink_unicast+0x449/0x710 [ 931.765808][ T10] netlink_sendmsg+0x723/0xbe0 [ 931.765808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 931.765808][ T10] ___sys_sendmsg+0xee/0x170 [ 931.765808][ T10] __sys_sendmsg+0xcd/0x170 [ 931.765808][ T10] do_syscall_64+0xc6/0x1e0 [ 931.765808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.765808][ T10] [ 931.767517][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 931.767517][ T10] neigh_parms_alloc+0x1e5/0x510 [ 931.767517][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 931.767517][ T10] ipv6_find_idev+0x102/0x170 [ 931.767517][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 931.767517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.767517][ T10] netlink_rcv_skb+0x130/0x360 [ 931.767517][ T10] netlink_unicast+0x449/0x710 [ 931.767517][ T10] netlink_sendmsg+0x723/0xbe0 [ 931.767517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 931.767517][ T10] ___sys_sendmsg+0xee/0x170 [ 931.767517][ T10] __sys_sendmsg+0xcd/0x170 [ 931.767517][ T10] do_syscall_64+0xc6/0x1e0 [ 931.767517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.767517][ T10] [ 941.545060][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 941.545527][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 941.545527][ T1167] dst_init+0x84/0x4a0 [ 941.545527][ T1167] dst_alloc+0x97/0x150 [ 941.545527][ T1167] ip6_dst_alloc+0x23/0x90 [ 941.545527][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 941.545527][ T1167] ip6_pol_route+0x56f/0x840 [ 941.545527][ T1167] fib6_rule_lookup+0x334/0x630 [ 941.545527][ T1167] ip6_route_output_flags+0x259/0x480 [ 941.545527][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 941.545527][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 941.545527][ T1167] netlink_rcv_skb+0x130/0x360 [ 941.545527][ T1167] netlink_unicast+0x449/0x710 [ 941.545527][ T1167] netlink_sendmsg+0x723/0xbe0 [ 941.545527][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 941.545527][ T1167] ___sys_sendmsg+0xee/0x170 [ 941.545527][ T1167] __sys_sendmsg+0xcd/0x170 [ 941.545527][ T1167] do_syscall_64+0xc6/0x1e0 [ 941.545527][ T1167] [ 941.547769][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 941.547769][ T1167] netdev_get_by_index+0x5e/0x80 [ 941.547769][ T1167] fib6_nh_init+0x3d8/0x1580 [ 941.547769][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 941.547769][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 941.547769][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 941.547769][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 941.547769][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 941.547769][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 941.547769][ T1167] addrconf_dad_begin+0x310/0x670 [ 941.547769][ T1167] addrconf_dad_work+0x10b/0xab0 [ 941.547769][ T1167] process_one_work+0x84d/0x18a0 [ 941.547769][ T1167] worker_thread+0x587/0xd30 [ 941.547769][ T1167] kthread+0x28a/0x350 [ 941.547769][ T1167] ret_from_fork+0x31/0x70 [ 941.547769][ T1167] ret_from_fork_asm+0x1a/0x30 [ 941.547769][ T1167] [ 941.549940][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 941.549940][ T1167] netdev_get_by_index+0x5e/0x80 [ 941.549940][ T1167] fib6_nh_init+0x3d8/0x1580 [ 941.549940][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 941.549940][ T1167] ip6_route_add+0x1c/0x140 [ 941.549940][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 941.549940][ T1167] inet6_addr_add+0x4f8/0xa40 [ 941.549940][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 941.549940][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 941.549940][ T1167] netlink_rcv_skb+0x130/0x360 [ 941.549940][ T1167] netlink_unicast+0x449/0x710 [ 941.549940][ T1167] netlink_sendmsg+0x723/0xbe0 [ 941.549940][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 941.549940][ T1167] ___sys_sendmsg+0xee/0x170 [ 941.549940][ T1167] __sys_sendmsg+0xcd/0x170 [ 941.549940][ T1167] do_syscall_64+0xc6/0x1e0 [ 941.549940][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 941.549940][ T1167] [ 941.552231][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 941.552231][ T1167] netdev_get_by_index+0x5e/0x80 [ 941.552231][ T1167] fib6_nh_init+0x3d8/0x1580 [ 941.552231][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 941.552231][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 941.552231][ T1167] ipv6_add_addr+0x411/0x2000 [ 941.552231][ T1167] inet6_addr_add+0x30e/0xa40 [ 941.552231][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 941.552231][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 941.552231][ T1167] netlink_rcv_skb+0x130/0x360 [ 941.552231][ T1167] netlink_unicast+0x449/0x710 [ 941.552231][ T1167] netlink_sendmsg+0x723/0xbe0 [ 941.552231][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 941.552231][ T1167] ___sys_sendmsg+0xee/0x170 [ 941.552231][ T1167] __sys_sendmsg+0xcd/0x170 [ 941.552231][ T1167] do_syscall_64+0xc6/0x1e0 [ 941.552231][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 941.552231][ T1167] [ 941.554500][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 941.554500][ T1167] netdev_get_by_index+0x5e/0x80 [ 941.554500][ T1167] fib6_nh_init+0x3d8/0x1580 [ 941.554500][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 941.554500][ T1167] ip6_route_add+0x1c/0x140 [ 941.554500][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 941.554500][ T1167] addrconf_add_dev+0xe2/0x170 [ 941.554500][ T1167] inet6_addr_add+0x12f/0xa40 [ 941.554500][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 941.554500][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 941.554500][ T1167] netlink_rcv_skb+0x130/0x360 [ 941.554500][ T1167] netlink_unicast+0x449/0x710 [ 941.554500][ T1167] netlink_sendmsg+0x723/0xbe0 [ 941.554500][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 941.554500][ T1167] ___sys_sendmsg+0xee/0x170 [ 941.554500][ T1167] __sys_sendmsg+0xcd/0x170 [ 941.554500][ T1167] do_syscall_64+0xc6/0x1e0 [ 941.554500][ T1167] [ 941.556808][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 941.556808][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 941.556808][ T1167] ipv6_find_idev+0x102/0x170 [ 941.556808][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 941.556808][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 941.556808][ T1167] netlink_rcv_skb+0x130/0x360 [ 941.556808][ T1167] netlink_unicast+0x449/0x710 [ 941.556808][ T1167] netlink_sendmsg+0x723/0xbe0 [ 941.556808][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 941.556808][ T1167] ___sys_sendmsg+0xee/0x170 [ 941.556808][ T1167] __sys_sendmsg+0xcd/0x170 [ 941.556808][ T1167] do_syscall_64+0xc6/0x1e0 [ 941.556808][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 941.556808][ T1167] [ 941.558553][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 941.558553][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 941.558553][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 941.558553][ T1167] ipv6_find_idev+0x102/0x170 [ 941.558553][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 941.558553][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 941.558553][ T1167] netlink_rcv_skb+0x130/0x360 [ 941.558553][ T1167] netlink_unicast+0x449/0x710 [ 941.558553][ T1167] netlink_sendmsg+0x723/0xbe0 [ 941.558553][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 941.558553][ T1167] ___sys_sendmsg+0xee/0x170 [ 941.558553][ T1167] __sys_sendmsg+0xcd/0x170 [ 941.558553][ T1167] do_syscall_64+0xc6/0x1e0 [ 941.558553][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 941.558553][ T1167] [ 942.009107][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 942.009488][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 942.009488][ T10] netdev_get_by_index+0x5e/0x80 [ 942.009488][ T10] fib6_nh_init+0x3d8/0x1580 [ 942.009488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 942.009488][ T10] addrconf_f6i_alloc+0x265/0x560 [ 942.009488][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 942.009488][ T10] addrconf_join_anycast+0x1c0/0x220 [ 942.009488][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 942.009488][ T10] addrconf_dad_completed+0x12b/0xe20 [ 942.009488][ T10] addrconf_dad_begin+0x310/0x670 [ 942.009488][ T10] addrconf_dad_work+0x10b/0xab0 [ 942.009488][ T10] process_one_work+0x84d/0x18a0 [ 942.009488][ T10] worker_thread+0x587/0xd30 [ 942.009488][ T10] kthread+0x28a/0x350 [ 942.009488][ T10] ret_from_fork+0x31/0x70 [ 942.009488][ T10] ret_from_fork_asm+0x1a/0x30 [ 942.009488][ T10] [ 942.011445][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 942.011445][ T10] netdev_get_by_index+0x5e/0x80 [ 942.011445][ T10] fib6_nh_init+0x3d8/0x1580 [ 942.011445][ T10] ip6_route_info_create+0xf18/0x17d0 [ 942.011445][ T10] ip6_route_add+0x1c/0x140 [ 942.011445][ T10] addrconf_prefix_route+0x2a6/0x430 [ 942.011445][ T10] inet6_addr_add+0x4f8/0xa40 [ 942.011445][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 942.011445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.011445][ T10] netlink_rcv_skb+0x130/0x360 [ 942.011445][ T10] netlink_unicast+0x449/0x710 [ 942.011445][ T10] netlink_sendmsg+0x723/0xbe0 [ 942.011445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 942.011445][ T10] ___sys_sendmsg+0xee/0x170 [ 942.011445][ T10] __sys_sendmsg+0xcd/0x170 [ 942.011445][ T10] do_syscall_64+0xc6/0x1e0 [ 942.011445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.011445][ T10] [ 942.013476][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 942.013476][ T10] netdev_get_by_index+0x5e/0x80 [ 942.013476][ T10] fib6_nh_init+0x3d8/0x1580 [ 942.013476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 942.013476][ T10] addrconf_f6i_alloc+0x315/0x560 [ 942.013476][ T10] ipv6_add_addr+0x411/0x2000 [ 942.013476][ T10] inet6_addr_add+0x30e/0xa40 [ 942.013476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 942.013476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.013476][ T10] netlink_rcv_skb+0x130/0x360 [ 942.013476][ T10] netlink_unicast+0x449/0x710 [ 942.013476][ T10] netlink_sendmsg+0x723/0xbe0 [ 942.013476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 942.013476][ T10] ___sys_sendmsg+0xee/0x170 [ 942.013476][ T10] __sys_sendmsg+0xcd/0x170 [ 942.013476][ T10] do_syscall_64+0xc6/0x1e0 [ 942.013476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.013476][ T10] [ 942.015631][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 942.015631][ T10] netdev_get_by_index+0x5e/0x80 [ 942.015631][ T10] fib6_nh_init+0x3d8/0x1580 [ 942.015631][ T10] ip6_route_info_create+0xf18/0x17d0 [ 942.015631][ T10] ip6_route_add+0x1c/0x140 [ 942.015631][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 942.015631][ T10] addrconf_add_dev+0xe2/0x170 [ 942.015631][ T10] inet6_addr_add+0x12f/0xa40 [ 942.015631][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 942.015631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.015631][ T10] netlink_rcv_skb+0x130/0x360 [ 942.015631][ T10] netlink_unicast+0x449/0x710 [ 942.015631][ T10] netlink_sendmsg+0x723/0xbe0 [ 942.015631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 942.015631][ T10] ___sys_sendmsg+0xee/0x170 [ 942.015631][ T10] __sys_sendmsg+0xcd/0x170 [ 942.015631][ T10] do_syscall_64+0xc6/0x1e0 [ 942.015631][ T10] [ 942.017582][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 942.017582][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 942.017582][ T10] ipv6_find_idev+0x102/0x170 [ 942.017582][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 942.017582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.017582][ T10] netlink_rcv_skb+0x130/0x360 [ 942.017582][ T10] netlink_unicast+0x449/0x710 [ 942.017582][ T10] netlink_sendmsg+0x723/0xbe0 [ 942.017582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 942.017582][ T10] ___sys_sendmsg+0xee/0x170 [ 942.017582][ T10] __sys_sendmsg+0xcd/0x170 [ 942.017582][ T10] do_syscall_64+0xc6/0x1e0 [ 942.017582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.017582][ T10] [ 942.019112][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 942.019112][ T10] neigh_parms_alloc+0x1e5/0x510 [ 942.019112][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 942.019112][ T10] ipv6_find_idev+0x102/0x170 [ 942.019112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 942.019112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.019112][ T10] netlink_rcv_skb+0x130/0x360 [ 942.019112][ T10] netlink_unicast+0x449/0x710 [ 942.019112][ T10] netlink_sendmsg+0x723/0xbe0 [ 942.019112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 942.019112][ T10] ___sys_sendmsg+0xee/0x170 [ 942.019112][ T10] __sys_sendmsg+0xcd/0x170 [ 942.019112][ T10] do_syscall_64+0xc6/0x1e0 [ 942.019112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.019112][ T10] [ 942.020819][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 942.021076][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 942.021076][ T10] netdev_get_by_index+0x5e/0x80 [ 942.021076][ T10] fib6_nh_init+0x3d8/0x1580 [ 942.021076][ T10] ip6_route_info_create+0xf18/0x17d0 [ 942.021076][ T10] addrconf_f6i_alloc+0x265/0x560 [ 942.021076][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 942.021076][ T10] addrconf_join_anycast+0x1c0/0x220 [ 942.021076][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 942.021076][ T10] addrconf_dad_completed+0x12b/0xe20 [ 942.021076][ T10] addrconf_dad_begin+0x310/0x670 [ 942.021076][ T10] addrconf_dad_work+0x10b/0xab0 [ 942.021076][ T10] process_one_work+0x84d/0x18a0 [ 942.021076][ T10] worker_thread+0x587/0xd30 [ 942.021076][ T10] kthread+0x28a/0x350 [ 942.021076][ T10] ret_from_fork+0x31/0x70 [ 942.021076][ T10] ret_from_fork_asm+0x1a/0x30 [ 942.021076][ T10] [ 942.022975][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 942.022975][ T10] netdev_get_by_index+0x5e/0x80 [ 942.022975][ T10] fib6_nh_init+0x3d8/0x1580 [ 942.022975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 942.022975][ T10] ip6_route_add+0x1c/0x140 [ 942.022975][ T10] addrconf_prefix_route+0x2a6/0x430 [ 942.022975][ T10] inet6_addr_add+0x4f8/0xa40 [ 942.022975][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 942.022975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.022975][ T10] netlink_rcv_skb+0x130/0x360 [ 942.022975][ T10] netlink_unicast+0x449/0x710 [ 942.022975][ T10] netlink_sendmsg+0x723/0xbe0 [ 942.022975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 942.022975][ T10] ___sys_sendmsg+0xee/0x170 [ 942.022975][ T10] __sys_sendmsg+0xcd/0x170 [ 942.022975][ T10] do_syscall_64+0xc6/0x1e0 [ 942.022975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.022975][ T10] [ 942.024956][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 942.024956][ T10] netdev_get_by_index+0x5e/0x80 [ 942.024956][ T10] fib6_nh_init+0x3d8/0x1580 [ 942.024956][ T10] ip6_route_info_create+0xf18/0x17d0 [ 942.024956][ T10] addrconf_f6i_alloc+0x315/0x560 [ 942.024956][ T10] ipv6_add_addr+0x411/0x2000 [ 942.024956][ T10] inet6_addr_add+0x30e/0xa40 [ 942.024956][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 942.024956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.024956][ T10] netlink_rcv_skb+0x130/0x360 [ 942.024956][ T10] netlink_unicast+0x449/0x710 [ 942.024956][ T10] netlink_sendmsg+0x723/0xbe0 [ 942.024956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 942.024956][ T10] ___sys_sendmsg+0xee/0x170 [ 942.024956][ T10] __sys_sendmsg+0xcd/0x170 [ 942.024956][ T10] do_syscall_64+0xc6/0x1e0 [ 942.024956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.024956][ T10] [ 942.026933][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 942.026933][ T10] netdev_get_by_index+0x5e/0x80 [ 942.026933][ T10] fib6_nh_init+0x3d8/0x1580 [ 942.026933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 942.026933][ T10] ip6_route_add+0x1c/0x140 [ 942.026933][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 942.026933][ T10] addrconf_add_dev+0xe2/0x170 [ 942.026933][ T10] inet6_addr_add+0x12f/0xa40 [ 942.026933][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 942.026933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.026933][ T10] netlink_rcv_skb+0x130/0x360 [ 942.026933][ T10] netlink_unicast+0x449/0x710 [ 942.026933][ T10] netlink_sendmsg+0x723/0xbe0 [ 942.026933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 942.026933][ T10] ___sys_sendmsg+0xee/0x170 [ 942.026933][ T10] __sys_sendmsg+0xcd/0x170 [ 942.026933][ T10] do_syscall_64+0xc6/0x1e0 [ 942.026933][ T10] [ 942.028873][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 942.028873][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 942.028873][ T10] ipv6_find_idev+0x102/0x170 [ 942.028873][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 942.028873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.028873][ T10] netlink_rcv_skb+0x130/0x360 [ 942.028873][ T10] netlink_unicast+0x449/0x710 [ 942.028873][ T10] netlink_sendmsg+0x723/0xbe0 [ 942.028873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 942.028873][ T10] ___sys_sendmsg+0xee/0x170 [ 942.028873][ T10] __sys_sendmsg+0xcd/0x170 [ 942.028873][ T10] do_syscall_64+0xc6/0x1e0 [ 942.028873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.028873][ T10] [ 942.030396][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 942.030396][ T10] neigh_parms_alloc+0x1e5/0x510 [ 942.030396][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 942.030396][ T10] ipv6_find_idev+0x102/0x170 [ 942.030396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 942.030396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.030396][ T10] netlink_rcv_skb+0x130/0x360 [ 942.030396][ T10] netlink_unicast+0x449/0x710 [ 942.030396][ T10] netlink_sendmsg+0x723/0xbe0 [ 942.030396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 942.030396][ T10] ___sys_sendmsg+0xee/0x170 [ 942.030396][ T10] __sys_sendmsg+0xcd/0x170 [ 942.030396][ T10] do_syscall_64+0xc6/0x1e0 [ 942.030396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.030396][ T10] [ 942.032598][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 942.032846][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 942.032846][ T10] netdev_get_by_index+0x5e/0x80 [ 942.032846][ T10] fib6_nh_init+0x3d8/0x1580 [ 942.032846][ T10] ip6_route_info_create+0xf18/0x17d0 [ 942.032846][ T10] addrconf_f6i_alloc+0x265/0x560 [ 942.032846][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 942.032846][ T10] addrconf_join_anycast+0x1c0/0x220 [ 942.032846][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 942.032846][ T10] addrconf_dad_completed+0x12b/0xe20 [ 942.032846][ T10] addrconf_dad_begin+0x310/0x670 [ 942.032846][ T10] addrconf_dad_work+0x10b/0xab0 [ 942.032846][ T10] process_one_work+0x84d/0x18a0 [ 942.032846][ T10] worker_thread+0x587/0xd30 [ 942.032846][ T10] kthread+0x28a/0x350 [ 942.032846][ T10] ret_from_fork+0x31/0x70 [ 942.032846][ T10] ret_from_fork_asm+0x1a/0x30 [ 942.032846][ T10] [ 942.034831][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 942.034831][ T10] netdev_get_by_index+0x5e/0x80 [ 942.034831][ T10] fib6_nh_init+0x3d8/0x1580 [ 942.034831][ T10] ip6_route_info_create+0xf18/0x17d0 [ 942.034831][ T10] ip6_route_add+0x1c/0x140 [ 942.034831][ T10] addrconf_prefix_route+0x2a6/0x430 [ 942.034831][ T10] inet6_addr_add+0x4f8/0xa40 [ 942.034831][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 942.034831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.034831][ T10] netlink_rcv_skb+0x130/0x360 [ 942.034831][ T10] netlink_unicast+0x449/0x710 [ 942.034831][ T10] netlink_sendmsg+0x723/0xbe0 [ 942.034831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 942.034831][ T10] ___sys_sendmsg+0xee/0x170 [ 942.034831][ T10] __sys_sendmsg+0xcd/0x170 [ 942.034831][ T10] do_syscall_64+0xc6/0x1e0 [ 942.034831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.034831][ T10] [ 942.036969][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 942.036969][ T10] netdev_get_by_index+0x5e/0x80 [ 942.036969][ T10] fib6_nh_init+0x3d8/0x1580 [ 942.036969][ T10] ip6_route_info_create+0xf18/0x17d0 [ 942.036969][ T10] addrconf_f6i_alloc+0x315/0x560 [ 942.036969][ T10] ipv6_add_addr+0x411/0x2000 [ 942.036969][ T10] inet6_addr_add+0x30e/0xa40 [ 942.036969][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 942.036969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.036969][ T10] netlink_rcv_skb+0x130/0x360 [ 942.036969][ T10] netlink_unicast+0x449/0x710 [ 942.036969][ T10] netlink_sendmsg+0x723/0xbe0 [ 942.036969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 942.036969][ T10] ___sys_sendmsg+0xee/0x170 [ 942.036969][ T10] __sys_sendmsg+0xcd/0x170 [ 942.036969][ T10] do_syscall_64+0xc6/0x1e0 [ 942.036969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.036969][ T10] [ 942.039085][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 942.039085][ T10] netdev_get_by_index+0x5e/0x80 [ 942.039085][ T10] fib6_nh_init+0x3d8/0x1580 [ 942.039085][ T10] ip6_route_info_create+0xf18/0x17d0 [ 942.039085][ T10] ip6_route_add+0x1c/0x140 [ 942.039085][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 942.039085][ T10] addrconf_add_dev+0xe2/0x170 [ 942.039085][ T10] inet6_addr_add+0x12f/0xa40 [ 942.039085][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 942.039085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.039085][ T10] netlink_rcv_skb+0x130/0x360 [ 942.039085][ T10] netlink_unicast+0x449/0x710 [ 942.039085][ T10] netlink_sendmsg+0x723/0xbe0 [ 942.039085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 942.039085][ T10] ___sys_sendmsg+0xee/0x170 [ 942.039085][ T10] __sys_sendmsg+0xcd/0x170 [ 942.039085][ T10] do_syscall_64+0xc6/0x1e0 [ 942.039085][ T10] [ 942.041200][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 942.041200][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 942.041200][ T10] ipv6_find_idev+0x102/0x170 [ 942.041200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 942.041200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.041200][ T10] netlink_rcv_skb+0x130/0x360 [ 942.041200][ T10] netlink_unicast+0x449/0x710 [ 942.041200][ T10] netlink_sendmsg+0x723/0xbe0 [ 942.041200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 942.041200][ T10] ___sys_sendmsg+0xee/0x170 [ 942.041200][ T10] __sys_sendmsg+0xcd/0x170 [ 942.041200][ T10] do_syscall_64+0xc6/0x1e0 [ 942.041200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.041200][ T10] [ 942.042796][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 942.042796][ T10] neigh_parms_alloc+0x1e5/0x510 [ 942.042796][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 942.042796][ T10] ipv6_find_idev+0x102/0x170 [ 942.042796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 942.042796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.042796][ T10] netlink_rcv_skb+0x130/0x360 [ 942.042796][ T10] netlink_unicast+0x449/0x710 [ 942.042796][ T10] netlink_sendmsg+0x723/0xbe0 [ 942.042796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 942.042796][ T10] ___sys_sendmsg+0xee/0x170 [ 942.042796][ T10] __sys_sendmsg+0xcd/0x170 [ 942.042796][ T10] do_syscall_64+0xc6/0x1e0 [ 942.042796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.042796][ T10] [ 942.044622][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 942.044865][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 942.044865][ T10] netdev_get_by_index+0x5e/0x80 [ 942.044865][ T10] fib6_nh_init+0x3d8/0x1580 [ 942.044865][ T10] ip6_route_info_create+0xf18/0x17d0 [ 942.044865][ T10] addrconf_f6i_alloc+0x265/0x560 [ 942.044865][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 942.044865][ T10] addrconf_join_anycast+0x1c0/0x220 [ 942.044865][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 942.044865][ T10] addrconf_dad_completed+0x12b/0xe20 [ 942.044865][ T10] addrconf_dad_begin+0x310/0x670 [ 942.044865][ T10] addrconf_dad_work+0x10b/0xab0 [ 942.044865][ T10] process_one_work+0x84d/0x18a0 [ 942.044865][ T10] worker_thread+0x587/0xd30 [ 942.044865][ T10] kthread+0x28a/0x350 [ 942.044865][ T10] ret_from_fork+0x31/0x70 [ 942.044865][ T10] ret_from_fork_asm+0x1a/0x30 [ 942.044865][ T10] [ 942.046901][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 942.046901][ T10] netdev_get_by_index+0x5e/0x80 [ 942.046901][ T10] fib6_nh_init+0x3d8/0x1580 [ 942.046901][ T10] ip6_route_info_create+0xf18/0x17d0 [ 942.046901][ T10] ip6_route_add+0x1c/0x140 [ 942.046901][ T10] addrconf_prefix_route+0x2a6/0x430 [ 942.046901][ T10] inet6_addr_add+0x4f8/0xa40 [ 942.046901][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 942.046901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.046901][ T10] netlink_rcv_skb+0x130/0x360 [ 942.046901][ T10] netlink_unicast+0x449/0x710 [ 942.046901][ T10] netlink_sendmsg+0x723/0xbe0 [ 942.046901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 942.046901][ T10] ___sys_sendmsg+0xee/0x170 [ 942.046901][ T10] __sys_sendmsg+0xcd/0x170 [ 942.046901][ T10] do_syscall_64+0xc6/0x1e0 [ 942.046901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.046901][ T10] [ 942.049022][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 942.049022][ T10] netdev_get_by_index+0x5e/0x80 [ 942.049022][ T10] fib6_nh_init+0x3d8/0x1580 [ 942.049022][ T10] ip6_route_info_create+0xf18/0x17d0 [ 942.049022][ T10] addrconf_f6i_alloc+0x315/0x560 [ 942.049022][ T10] ipv6_add_addr+0x411/0x2000 [ 942.049022][ T10] inet6_addr_add+0x30e/0xa40 [ 942.049022][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 942.049022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.049022][ T10] netlink_rcv_skb+0x130/0x360 [ 942.049022][ T10] netlink_unicast+0x449/0x710 [ 942.049022][ T10] netlink_sendmsg+0x723/0xbe0 [ 942.049022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 942.049022][ T10] ___sys_sendmsg+0xee/0x170 [ 942.049022][ T10] __sys_sendmsg+0xcd/0x170 [ 942.049022][ T10] do_syscall_64+0xc6/0x1e0 [ 942.049022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.049022][ T10] [ 942.051147][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 942.051147][ T10] netdev_get_by_index+0x5e/0x80 [ 942.051147][ T10] fib6_nh_init+0x3d8/0x1580 [ 942.051147][ T10] ip6_route_info_create+0xf18/0x17d0 [ 942.051147][ T10] ip6_route_add+0x1c/0x140 [ 942.051147][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 942.051147][ T10] addrconf_add_dev+0xe2/0x170 [ 942.051147][ T10] inet6_addr_add+0x12f/0xa40 [ 942.051147][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 942.051147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.051147][ T10] netlink_rcv_skb+0x130/0x360 [ 942.051147][ T10] netlink_unicast+0x449/0x710 [ 942.051147][ T10] netlink_sendmsg+0x723/0xbe0 [ 942.051147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 942.051147][ T10] ___sys_sendmsg+0xee/0x170 [ 942.051147][ T10] __sys_sendmsg+0xcd/0x170 [ 942.051147][ T10] do_syscall_64+0xc6/0x1e0 [ 942.051147][ T10] [ 942.053233][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 942.053233][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 942.053233][ T10] ipv6_find_idev+0x102/0x170 [ 942.053233][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 942.053233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.053233][ T10] netlink_rcv_skb+0x130/0x360 [ 942.053233][ T10] netlink_unicast+0x449/0x710 [ 942.053233][ T10] netlink_sendmsg+0x723/0xbe0 [ 942.053233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 942.053233][ T10] ___sys_sendmsg+0xee/0x170 [ 942.053233][ T10] __sys_sendmsg+0xcd/0x170 [ 942.053233][ T10] do_syscall_64+0xc6/0x1e0 [ 942.053233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.053233][ T10] [ 942.054834][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 942.054834][ T10] neigh_parms_alloc+0x1e5/0x510 [ 942.054834][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 942.054834][ T10] ipv6_find_idev+0x102/0x170 [ 942.054834][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 942.054834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.054834][ T10] netlink_rcv_skb+0x130/0x360 [ 942.054834][ T10] netlink_unicast+0x449/0x710 [ 942.054834][ T10] netlink_sendmsg+0x723/0xbe0 [ 942.054834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 942.054834][ T10] ___sys_sendmsg+0xee/0x170 [ 942.054834][ T10] __sys_sendmsg+0xcd/0x170 [ 942.054834][ T10] do_syscall_64+0xc6/0x1e0 [ 942.054834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.054834][ T10] [ 951.801090][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 951.801581][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 951.801581][ T1167] dst_init+0x84/0x4a0 [ 951.801581][ T1167] dst_alloc+0x97/0x150 [ 951.801581][ T1167] ip6_dst_alloc+0x23/0x90 [ 951.801581][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 951.801581][ T1167] ip6_pol_route+0x56f/0x840 [ 951.801581][ T1167] fib6_rule_lookup+0x334/0x630 [ 951.801581][ T1167] ip6_route_output_flags+0x259/0x480 [ 951.801581][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 951.801581][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 951.801581][ T1167] netlink_rcv_skb+0x130/0x360 [ 951.801581][ T1167] netlink_unicast+0x449/0x710 [ 951.801581][ T1167] netlink_sendmsg+0x723/0xbe0 [ 951.801581][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 951.801581][ T1167] ___sys_sendmsg+0xee/0x170 [ 951.801581][ T1167] __sys_sendmsg+0xcd/0x170 [ 951.801581][ T1167] do_syscall_64+0xc6/0x1e0 [ 951.801581][ T1167] [ 951.803940][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 951.803940][ T1167] netdev_get_by_index+0x5e/0x80 [ 951.803940][ T1167] fib6_nh_init+0x3d8/0x1580 [ 951.803940][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 951.803940][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 951.803940][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 951.803940][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 951.803940][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 951.803940][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 951.803940][ T1167] addrconf_dad_begin+0x310/0x670 [ 951.803940][ T1167] addrconf_dad_work+0x10b/0xab0 [ 951.803940][ T1167] process_one_work+0x84d/0x18a0 [ 951.803940][ T1167] worker_thread+0x587/0xd30 [ 951.803940][ T1167] kthread+0x28a/0x350 [ 951.803940][ T1167] ret_from_fork+0x31/0x70 [ 951.803940][ T1167] ret_from_fork_asm+0x1a/0x30 [ 951.803940][ T1167] [ 951.806122][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 951.806122][ T1167] netdev_get_by_index+0x5e/0x80 [ 951.806122][ T1167] fib6_nh_init+0x3d8/0x1580 [ 951.806122][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 951.806122][ T1167] ip6_route_add+0x1c/0x140 [ 951.806122][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 951.806122][ T1167] inet6_addr_add+0x4f8/0xa40 [ 951.806122][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 951.806122][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 951.806122][ T1167] netlink_rcv_skb+0x130/0x360 [ 951.806122][ T1167] netlink_unicast+0x449/0x710 [ 951.806122][ T1167] netlink_sendmsg+0x723/0xbe0 [ 951.806122][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 951.806122][ T1167] ___sys_sendmsg+0xee/0x170 [ 951.806122][ T1167] __sys_sendmsg+0xcd/0x170 [ 951.806122][ T1167] do_syscall_64+0xc6/0x1e0 [ 951.806122][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 951.806122][ T1167] [ 951.808419][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 951.808419][ T1167] netdev_get_by_index+0x5e/0x80 [ 951.808419][ T1167] fib6_nh_init+0x3d8/0x1580 [ 951.808419][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 951.808419][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 951.808419][ T1167] ipv6_add_addr+0x411/0x2000 [ 951.808419][ T1167] inet6_addr_add+0x30e/0xa40 [ 951.808419][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 951.808419][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 951.808419][ T1167] netlink_rcv_skb+0x130/0x360 [ 951.808419][ T1167] netlink_unicast+0x449/0x710 [ 951.808419][ T1167] netlink_sendmsg+0x723/0xbe0 [ 951.808419][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 951.808419][ T1167] ___sys_sendmsg+0xee/0x170 [ 951.808419][ T1167] __sys_sendmsg+0xcd/0x170 [ 951.808419][ T1167] do_syscall_64+0xc6/0x1e0 [ 951.808419][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 951.808419][ T1167] [ 951.811576][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 951.811576][ T1167] netdev_get_by_index+0x5e/0x80 [ 951.811576][ T1167] fib6_nh_init+0x3d8/0x1580 [ 951.811576][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 951.811576][ T1167] ip6_route_add+0x1c/0x140 [ 951.811576][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 951.811576][ T1167] addrconf_add_dev+0xe2/0x170 [ 951.811576][ T1167] inet6_addr_add+0x12f/0xa40 [ 951.811576][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 951.811576][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 951.811576][ T1167] netlink_rcv_skb+0x130/0x360 [ 951.811576][ T1167] netlink_unicast+0x449/0x710 [ 951.811576][ T1167] netlink_sendmsg+0x723/0xbe0 [ 951.811576][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 951.811576][ T1167] ___sys_sendmsg+0xee/0x170 [ 951.811576][ T1167] __sys_sendmsg+0xcd/0x170 [ 951.811576][ T1167] do_syscall_64+0xc6/0x1e0 [ 951.811576][ T1167] [ 951.813865][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 951.813865][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 951.813865][ T1167] ipv6_find_idev+0x102/0x170 [ 951.813865][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 951.813865][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 951.813865][ T1167] netlink_rcv_skb+0x130/0x360 [ 951.813865][ T1167] netlink_unicast+0x449/0x710 [ 951.813865][ T1167] netlink_sendmsg+0x723/0xbe0 [ 951.813865][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 951.813865][ T1167] ___sys_sendmsg+0xee/0x170 [ 951.813865][ T1167] __sys_sendmsg+0xcd/0x170 [ 951.813865][ T1167] do_syscall_64+0xc6/0x1e0 [ 951.813865][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 951.813865][ T1167] [ 951.815629][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 951.815629][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 951.815629][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 951.815629][ T1167] ipv6_find_idev+0x102/0x170 [ 951.815629][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 951.815629][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 951.815629][ T1167] netlink_rcv_skb+0x130/0x360 [ 951.815629][ T1167] netlink_unicast+0x449/0x710 [ 951.815629][ T1167] netlink_sendmsg+0x723/0xbe0 [ 951.815629][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 951.815629][ T1167] ___sys_sendmsg+0xee/0x170 [ 951.815629][ T1167] __sys_sendmsg+0xcd/0x170 [ 951.815629][ T1167] do_syscall_64+0xc6/0x1e0 [ 951.815629][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 951.815629][ T1167] [ 952.297138][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 952.297625][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 952.297625][ T10] netdev_get_by_index+0x5e/0x80 [ 952.297625][ T10] fib6_nh_init+0x3d8/0x1580 [ 952.297625][ T10] ip6_route_info_create+0xf18/0x17d0 [ 952.297625][ T10] addrconf_f6i_alloc+0x265/0x560 [ 952.297625][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 952.297625][ T10] addrconf_join_anycast+0x1c0/0x220 [ 952.297625][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 952.297625][ T10] addrconf_dad_completed+0x12b/0xe20 [ 952.297625][ T10] addrconf_dad_begin+0x310/0x670 [ 952.297625][ T10] addrconf_dad_work+0x10b/0xab0 [ 952.297625][ T10] process_one_work+0x84d/0x18a0 [ 952.297625][ T10] worker_thread+0x587/0xd30 [ 952.297625][ T10] kthread+0x28a/0x350 [ 952.297625][ T10] ret_from_fork+0x31/0x70 [ 952.297625][ T10] ret_from_fork_asm+0x1a/0x30 [ 952.297625][ T10] [ 952.299602][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 952.299602][ T10] netdev_get_by_index+0x5e/0x80 [ 952.299602][ T10] fib6_nh_init+0x3d8/0x1580 [ 952.299602][ T10] ip6_route_info_create+0xf18/0x17d0 [ 952.299602][ T10] ip6_route_add+0x1c/0x140 [ 952.299602][ T10] addrconf_prefix_route+0x2a6/0x430 [ 952.299602][ T10] inet6_addr_add+0x4f8/0xa40 [ 952.299602][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 952.299602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.299602][ T10] netlink_rcv_skb+0x130/0x360 [ 952.299602][ T10] netlink_unicast+0x449/0x710 [ 952.299602][ T10] netlink_sendmsg+0x723/0xbe0 [ 952.299602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 952.299602][ T10] ___sys_sendmsg+0xee/0x170 [ 952.299602][ T10] __sys_sendmsg+0xcd/0x170 [ 952.299602][ T10] do_syscall_64+0xc6/0x1e0 [ 952.299602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.299602][ T10] [ 952.301611][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 952.301611][ T10] netdev_get_by_index+0x5e/0x80 [ 952.301611][ T10] fib6_nh_init+0x3d8/0x1580 [ 952.301611][ T10] ip6_route_info_create+0xf18/0x17d0 [ 952.301611][ T10] addrconf_f6i_alloc+0x315/0x560 [ 952.301611][ T10] ipv6_add_addr+0x411/0x2000 [ 952.301611][ T10] inet6_addr_add+0x30e/0xa40 [ 952.301611][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 952.301611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.301611][ T10] netlink_rcv_skb+0x130/0x360 [ 952.301611][ T10] netlink_unicast+0x449/0x710 [ 952.301611][ T10] netlink_sendmsg+0x723/0xbe0 [ 952.301611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 952.301611][ T10] ___sys_sendmsg+0xee/0x170 [ 952.301611][ T10] __sys_sendmsg+0xcd/0x170 [ 952.301611][ T10] do_syscall_64+0xc6/0x1e0 [ 952.301611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.301611][ T10] [ 952.303636][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 952.303636][ T10] netdev_get_by_index+0x5e/0x80 [ 952.303636][ T10] fib6_nh_init+0x3d8/0x1580 [ 952.303636][ T10] ip6_route_info_create+0xf18/0x17d0 [ 952.303636][ T10] ip6_route_add+0x1c/0x140 [ 952.303636][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 952.303636][ T10] addrconf_add_dev+0xe2/0x170 [ 952.303636][ T10] inet6_addr_add+0x12f/0xa40 [ 952.303636][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 952.303636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.303636][ T10] netlink_rcv_skb+0x130/0x360 [ 952.303636][ T10] netlink_unicast+0x449/0x710 [ 952.303636][ T10] netlink_sendmsg+0x723/0xbe0 [ 952.303636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 952.303636][ T10] ___sys_sendmsg+0xee/0x170 [ 952.303636][ T10] __sys_sendmsg+0xcd/0x170 [ 952.303636][ T10] do_syscall_64+0xc6/0x1e0 [ 952.303636][ T10] [ 952.305605][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 952.305605][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 952.305605][ T10] ipv6_find_idev+0x102/0x170 [ 952.305605][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 952.305605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.305605][ T10] netlink_rcv_skb+0x130/0x360 [ 952.305605][ T10] netlink_unicast+0x449/0x710 [ 952.305605][ T10] netlink_sendmsg+0x723/0xbe0 [ 952.305605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 952.305605][ T10] ___sys_sendmsg+0xee/0x170 [ 952.305605][ T10] __sys_sendmsg+0xcd/0x170 [ 952.305605][ T10] do_syscall_64+0xc6/0x1e0 [ 952.305605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.305605][ T10] [ 952.307156][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 952.307156][ T10] neigh_parms_alloc+0x1e5/0x510 [ 952.307156][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 952.307156][ T10] ipv6_find_idev+0x102/0x170 [ 952.307156][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 952.307156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.307156][ T10] netlink_rcv_skb+0x130/0x360 [ 952.307156][ T10] netlink_unicast+0x449/0x710 [ 952.307156][ T10] netlink_sendmsg+0x723/0xbe0 [ 952.307156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 952.307156][ T10] ___sys_sendmsg+0xee/0x170 [ 952.307156][ T10] __sys_sendmsg+0xcd/0x170 [ 952.307156][ T10] do_syscall_64+0xc6/0x1e0 [ 952.307156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.307156][ T10] [ 952.308848][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 952.309112][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 952.309112][ T10] netdev_get_by_index+0x5e/0x80 [ 952.309112][ T10] fib6_nh_init+0x3d8/0x1580 [ 952.309112][ T10] ip6_route_info_create+0xf18/0x17d0 [ 952.309112][ T10] addrconf_f6i_alloc+0x265/0x560 [ 952.309112][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 952.309112][ T10] addrconf_join_anycast+0x1c0/0x220 [ 952.309112][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 952.309112][ T10] addrconf_dad_completed+0x12b/0xe20 [ 952.309112][ T10] addrconf_dad_begin+0x310/0x670 [ 952.309112][ T10] addrconf_dad_work+0x10b/0xab0 [ 952.309112][ T10] process_one_work+0x84d/0x18a0 [ 952.309112][ T10] worker_thread+0x587/0xd30 [ 952.309112][ T10] kthread+0x28a/0x350 [ 952.309112][ T10] ret_from_fork+0x31/0x70 [ 952.309112][ T10] ret_from_fork_asm+0x1a/0x30 [ 952.309112][ T10] [ 952.311052][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 952.311052][ T10] netdev_get_by_index+0x5e/0x80 [ 952.311052][ T10] fib6_nh_init+0x3d8/0x1580 [ 952.311052][ T10] ip6_route_info_create+0xf18/0x17d0 [ 952.311052][ T10] ip6_route_add+0x1c/0x140 [ 952.311052][ T10] addrconf_prefix_route+0x2a6/0x430 [ 952.311052][ T10] inet6_addr_add+0x4f8/0xa40 [ 952.311052][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 952.311052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.311052][ T10] netlink_rcv_skb+0x130/0x360 [ 952.311052][ T10] netlink_unicast+0x449/0x710 [ 952.311052][ T10] netlink_sendmsg+0x723/0xbe0 [ 952.311052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 952.311052][ T10] ___sys_sendmsg+0xee/0x170 [ 952.311052][ T10] __sys_sendmsg+0xcd/0x170 [ 952.311052][ T10] do_syscall_64+0xc6/0x1e0 [ 952.311052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.311052][ T10] [ 952.313044][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 952.313044][ T10] netdev_get_by_index+0x5e/0x80 [ 952.313044][ T10] fib6_nh_init+0x3d8/0x1580 [ 952.313044][ T10] ip6_route_info_create+0xf18/0x17d0 [ 952.313044][ T10] addrconf_f6i_alloc+0x315/0x560 [ 952.313044][ T10] ipv6_add_addr+0x411/0x2000 [ 952.313044][ T10] inet6_addr_add+0x30e/0xa40 [ 952.313044][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 952.313044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.313044][ T10] netlink_rcv_skb+0x130/0x360 [ 952.313044][ T10] netlink_unicast+0x449/0x710 [ 952.313044][ T10] netlink_sendmsg+0x723/0xbe0 [ 952.313044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 952.313044][ T10] ___sys_sendmsg+0xee/0x170 [ 952.313044][ T10] __sys_sendmsg+0xcd/0x170 [ 952.313044][ T10] do_syscall_64+0xc6/0x1e0 [ 952.313044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.313044][ T10] [ 952.315093][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 952.315093][ T10] netdev_get_by_index+0x5e/0x80 [ 952.315093][ T10] fib6_nh_init+0x3d8/0x1580 [ 952.315093][ T10] ip6_route_info_create+0xf18/0x17d0 [ 952.315093][ T10] ip6_route_add+0x1c/0x140 [ 952.315093][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 952.315093][ T10] addrconf_add_dev+0xe2/0x170 [ 952.315093][ T10] inet6_addr_add+0x12f/0xa40 [ 952.315093][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 952.315093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.315093][ T10] netlink_rcv_skb+0x130/0x360 [ 952.315093][ T10] netlink_unicast+0x449/0x710 [ 952.315093][ T10] netlink_sendmsg+0x723/0xbe0 [ 952.315093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 952.315093][ T10] ___sys_sendmsg+0xee/0x170 [ 952.315093][ T10] __sys_sendmsg+0xcd/0x170 [ 952.315093][ T10] do_syscall_64+0xc6/0x1e0 [ 952.315093][ T10] [ 952.317059][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 952.317059][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 952.317059][ T10] ipv6_find_idev+0x102/0x170 [ 952.317059][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 952.317059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.317059][ T10] netlink_rcv_skb+0x130/0x360 [ 952.317059][ T10] netlink_unicast+0x449/0x710 [ 952.317059][ T10] netlink_sendmsg+0x723/0xbe0 [ 952.317059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 952.317059][ T10] ___sys_sendmsg+0xee/0x170 [ 952.317059][ T10] __sys_sendmsg+0xcd/0x170 [ 952.317059][ T10] do_syscall_64+0xc6/0x1e0 [ 952.317059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.317059][ T10] [ 952.318621][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 952.318621][ T10] neigh_parms_alloc+0x1e5/0x510 [ 952.318621][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 952.318621][ T10] ipv6_find_idev+0x102/0x170 [ 952.318621][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 952.318621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.318621][ T10] netlink_rcv_skb+0x130/0x360 [ 952.318621][ T10] netlink_unicast+0x449/0x710 [ 952.318621][ T10] netlink_sendmsg+0x723/0xbe0 [ 952.318621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 952.318621][ T10] ___sys_sendmsg+0xee/0x170 [ 952.318621][ T10] __sys_sendmsg+0xcd/0x170 [ 952.318621][ T10] do_syscall_64+0xc6/0x1e0 [ 952.318621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.318621][ T10] [ 952.320338][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 952.320589][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 952.320589][ T10] netdev_get_by_index+0x5e/0x80 [ 952.320589][ T10] fib6_nh_init+0x3d8/0x1580 [ 952.320589][ T10] ip6_route_info_create+0xf18/0x17d0 [ 952.320589][ T10] addrconf_f6i_alloc+0x265/0x560 [ 952.320589][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 952.320589][ T10] addrconf_join_anycast+0x1c0/0x220 [ 952.320589][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 952.320589][ T10] addrconf_dad_completed+0x12b/0xe20 [ 952.320589][ T10] addrconf_dad_begin+0x310/0x670 [ 952.320589][ T10] addrconf_dad_work+0x10b/0xab0 [ 952.320589][ T10] process_one_work+0x84d/0x18a0 [ 952.320589][ T10] worker_thread+0x587/0xd30 [ 952.320589][ T10] kthread+0x28a/0x350 [ 952.320589][ T10] ret_from_fork+0x31/0x70 [ 952.320589][ T10] ret_from_fork_asm+0x1a/0x30 [ 952.320589][ T10] [ 952.322512][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 952.322512][ T10] netdev_get_by_index+0x5e/0x80 [ 952.322512][ T10] fib6_nh_init+0x3d8/0x1580 [ 952.322512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 952.322512][ T10] ip6_route_add+0x1c/0x140 [ 952.322512][ T10] addrconf_prefix_route+0x2a6/0x430 [ 952.322512][ T10] inet6_addr_add+0x4f8/0xa40 [ 952.322512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 952.322512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.322512][ T10] netlink_rcv_skb+0x130/0x360 [ 952.322512][ T10] netlink_unicast+0x449/0x710 [ 952.322512][ T10] netlink_sendmsg+0x723/0xbe0 [ 952.322512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 952.322512][ T10] ___sys_sendmsg+0xee/0x170 [ 952.322512][ T10] __sys_sendmsg+0xcd/0x170 [ 952.322512][ T10] do_syscall_64+0xc6/0x1e0 [ 952.322512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.322512][ T10] [ 952.324702][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 952.324702][ T10] netdev_get_by_index+0x5e/0x80 [ 952.324702][ T10] fib6_nh_init+0x3d8/0x1580 [ 952.324702][ T10] ip6_route_info_create+0xf18/0x17d0 [ 952.324702][ T10] addrconf_f6i_alloc+0x315/0x560 [ 952.324702][ T10] ipv6_add_addr+0x411/0x2000 [ 952.324702][ T10] inet6_addr_add+0x30e/0xa40 [ 952.324702][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 952.324702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.324702][ T10] netlink_rcv_skb+0x130/0x360 [ 952.324702][ T10] netlink_unicast+0x449/0x710 [ 952.324702][ T10] netlink_sendmsg+0x723/0xbe0 [ 952.324702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 952.324702][ T10] ___sys_sendmsg+0xee/0x170 [ 952.324702][ T10] __sys_sendmsg+0xcd/0x170 [ 952.324702][ T10] do_syscall_64+0xc6/0x1e0 [ 952.324702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.324702][ T10] [ 952.327032][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 952.327032][ T10] netdev_get_by_index+0x5e/0x80 [ 952.327032][ T10] fib6_nh_init+0x3d8/0x1580 [ 952.327032][ T10] ip6_route_info_create+0xf18/0x17d0 [ 952.327032][ T10] ip6_route_add+0x1c/0x140 [ 952.327032][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 952.327032][ T10] addrconf_add_dev+0xe2/0x170 [ 952.327032][ T10] inet6_addr_add+0x12f/0xa40 [ 952.327032][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 952.327032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.327032][ T10] netlink_rcv_skb+0x130/0x360 [ 952.327032][ T10] netlink_unicast+0x449/0x710 [ 952.327032][ T10] netlink_sendmsg+0x723/0xbe0 [ 952.327032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 952.327032][ T10] ___sys_sendmsg+0xee/0x170 [ 952.327032][ T10] __sys_sendmsg+0xcd/0x170 [ 952.327032][ T10] do_syscall_64+0xc6/0x1e0 [ 952.327032][ T10] [ 952.329242][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 952.329242][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 952.329242][ T10] ipv6_find_idev+0x102/0x170 [ 952.329242][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 952.329242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.329242][ T10] netlink_rcv_skb+0x130/0x360 [ 952.329242][ T10] netlink_unicast+0x449/0x710 [ 952.329242][ T10] netlink_sendmsg+0x723/0xbe0 [ 952.329242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 952.329242][ T10] ___sys_sendmsg+0xee/0x170 [ 952.329242][ T10] __sys_sendmsg+0xcd/0x170 [ 952.329242][ T10] do_syscall_64+0xc6/0x1e0 [ 952.329242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.329242][ T10] [ 952.330876][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 952.330876][ T10] neigh_parms_alloc+0x1e5/0x510 [ 952.330876][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 952.330876][ T10] ipv6_find_idev+0x102/0x170 [ 952.330876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 952.330876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.330876][ T10] netlink_rcv_skb+0x130/0x360 [ 952.330876][ T10] netlink_unicast+0x449/0x710 [ 952.330876][ T10] netlink_sendmsg+0x723/0xbe0 [ 952.330876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 952.330876][ T10] ___sys_sendmsg+0xee/0x170 [ 952.330876][ T10] __sys_sendmsg+0xcd/0x170 [ 952.330876][ T10] do_syscall_64+0xc6/0x1e0 [ 952.330876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.330876][ T10] [ 952.332705][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 952.332955][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 952.332955][ T10] netdev_get_by_index+0x5e/0x80 [ 952.332955][ T10] fib6_nh_init+0x3d8/0x1580 [ 952.332955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 952.332955][ T10] addrconf_f6i_alloc+0x265/0x560 [ 952.332955][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 952.332955][ T10] addrconf_join_anycast+0x1c0/0x220 [ 952.332955][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 952.332955][ T10] addrconf_dad_completed+0x12b/0xe20 [ 952.332955][ T10] addrconf_dad_begin+0x310/0x670 [ 952.332955][ T10] addrconf_dad_work+0x10b/0xab0 [ 952.332955][ T10] process_one_work+0x84d/0x18a0 [ 952.332955][ T10] worker_thread+0x587/0xd30 [ 952.332955][ T10] kthread+0x28a/0x350 [ 952.332955][ T10] ret_from_fork+0x31/0x70 [ 952.332955][ T10] ret_from_fork_asm+0x1a/0x30 [ 952.332955][ T10] [ 952.335211][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 952.335211][ T10] netdev_get_by_index+0x5e/0x80 [ 952.335211][ T10] fib6_nh_init+0x3d8/0x1580 [ 952.335211][ T10] ip6_route_info_create+0xf18/0x17d0 [ 952.335211][ T10] ip6_route_add+0x1c/0x140 [ 952.335211][ T10] addrconf_prefix_route+0x2a6/0x430 [ 952.335211][ T10] inet6_addr_add+0x4f8/0xa40 [ 952.335211][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 952.335211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.335211][ T10] netlink_rcv_skb+0x130/0x360 [ 952.335211][ T10] netlink_unicast+0x449/0x710 [ 952.335211][ T10] netlink_sendmsg+0x723/0xbe0 [ 952.335211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 952.335211][ T10] ___sys_sendmsg+0xee/0x170 [ 952.335211][ T10] __sys_sendmsg+0xcd/0x170 [ 952.335211][ T10] do_syscall_64+0xc6/0x1e0 [ 952.335211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.335211][ T10] [ 952.337453][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 952.337453][ T10] netdev_get_by_index+0x5e/0x80 [ 952.337453][ T10] fib6_nh_init+0x3d8/0x1580 [ 952.337453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 952.337453][ T10] addrconf_f6i_alloc+0x315/0x560 [ 952.337453][ T10] ipv6_add_addr+0x411/0x2000 [ 952.337453][ T10] inet6_addr_add+0x30e/0xa40 [ 952.337453][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 952.337453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.337453][ T10] netlink_rcv_skb+0x130/0x360 [ 952.337453][ T10] netlink_unicast+0x449/0x710 [ 952.337453][ T10] netlink_sendmsg+0x723/0xbe0 [ 952.337453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 952.337453][ T10] ___sys_sendmsg+0xee/0x170 [ 952.337453][ T10] __sys_sendmsg+0xcd/0x170 [ 952.337453][ T10] do_syscall_64+0xc6/0x1e0 [ 952.337453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.337453][ T10] [ 952.339714][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 952.339714][ T10] netdev_get_by_index+0x5e/0x80 [ 952.339714][ T10] fib6_nh_init+0x3d8/0x1580 [ 952.339714][ T10] ip6_route_info_create+0xf18/0x17d0 [ 952.339714][ T10] ip6_route_add+0x1c/0x140 [ 952.339714][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 952.339714][ T10] addrconf_add_dev+0xe2/0x170 [ 952.339714][ T10] inet6_addr_add+0x12f/0xa40 [ 952.339714][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 952.339714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.339714][ T10] netlink_rcv_skb+0x130/0x360 [ 952.339714][ T10] netlink_unicast+0x449/0x710 [ 952.339714][ T10] netlink_sendmsg+0x723/0xbe0 [ 952.339714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 952.339714][ T10] ___sys_sendmsg+0xee/0x170 [ 952.339714][ T10] __sys_sendmsg+0xcd/0x170 [ 952.339714][ T10] do_syscall_64+0xc6/0x1e0 [ 952.339714][ T10] [ 952.341869][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 952.341869][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 952.341869][ T10] ipv6_find_idev+0x102/0x170 [ 952.341869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 952.341869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.341869][ T10] netlink_rcv_skb+0x130/0x360 [ 952.341869][ T10] netlink_unicast+0x449/0x710 [ 952.341869][ T10] netlink_sendmsg+0x723/0xbe0 [ 952.341869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 952.341869][ T10] ___sys_sendmsg+0xee/0x170 [ 952.341869][ T10] __sys_sendmsg+0xcd/0x170 [ 952.341869][ T10] do_syscall_64+0xc6/0x1e0 [ 952.341869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.341869][ T10] [ 952.343603][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 952.343603][ T10] neigh_parms_alloc+0x1e5/0x510 [ 952.343603][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 952.343603][ T10] ipv6_find_idev+0x102/0x170 [ 952.343603][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 952.343603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.343603][ T10] netlink_rcv_skb+0x130/0x360 [ 952.343603][ T10] netlink_unicast+0x449/0x710 [ 952.343603][ T10] netlink_sendmsg+0x723/0xbe0 [ 952.343603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 952.343603][ T10] ___sys_sendmsg+0xee/0x170 [ 952.343603][ T10] __sys_sendmsg+0xcd/0x170 [ 952.343603][ T10] do_syscall_64+0xc6/0x1e0 [ 952.343603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.343603][ T10] [ 961.833079][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 961.833576][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 961.833576][ T1167] dst_init+0x84/0x4a0 [ 961.833576][ T1167] dst_alloc+0x97/0x150 [ 961.833576][ T1167] ip6_dst_alloc+0x23/0x90 [ 961.833576][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 961.833576][ T1167] ip6_pol_route+0x56f/0x840 [ 961.833576][ T1167] fib6_rule_lookup+0x334/0x630 [ 961.833576][ T1167] ip6_route_output_flags+0x259/0x480 [ 961.833576][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 961.833576][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 961.833576][ T1167] netlink_rcv_skb+0x130/0x360 [ 961.833576][ T1167] netlink_unicast+0x449/0x710 [ 961.833576][ T1167] netlink_sendmsg+0x723/0xbe0 [ 961.833576][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 961.833576][ T1167] ___sys_sendmsg+0xee/0x170 [ 961.833576][ T1167] __sys_sendmsg+0xcd/0x170 [ 961.833576][ T1167] do_syscall_64+0xc6/0x1e0 [ 961.833576][ T1167] [ 961.835844][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 961.835844][ T1167] netdev_get_by_index+0x5e/0x80 [ 961.835844][ T1167] fib6_nh_init+0x3d8/0x1580 [ 961.835844][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 961.835844][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 961.835844][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 961.835844][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 961.835844][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 961.835844][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 961.835844][ T1167] addrconf_dad_begin+0x310/0x670 [ 961.835844][ T1167] addrconf_dad_work+0x10b/0xab0 [ 961.835844][ T1167] process_one_work+0x84d/0x18a0 [ 961.835844][ T1167] worker_thread+0x587/0xd30 [ 961.835844][ T1167] kthread+0x28a/0x350 [ 961.835844][ T1167] ret_from_fork+0x31/0x70 [ 961.835844][ T1167] ret_from_fork_asm+0x1a/0x30 [ 961.835844][ T1167] [ 961.838008][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 961.838008][ T1167] netdev_get_by_index+0x5e/0x80 [ 961.838008][ T1167] fib6_nh_init+0x3d8/0x1580 [ 961.838008][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 961.838008][ T1167] ip6_route_add+0x1c/0x140 [ 961.838008][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 961.838008][ T1167] inet6_addr_add+0x4f8/0xa40 [ 961.838008][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 961.838008][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.838008][ T1167] netlink_rcv_skb+0x130/0x360 [ 961.838008][ T1167] netlink_unicast+0x449/0x710 [ 961.838008][ T1167] netlink_sendmsg+0x723/0xbe0 [ 961.838008][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 961.838008][ T1167] ___sys_sendmsg+0xee/0x170 [ 961.838008][ T1167] __sys_sendmsg+0xcd/0x170 [ 961.838008][ T1167] do_syscall_64+0xc6/0x1e0 [ 961.838008][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.838008][ T1167] [ 961.840268][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 961.840268][ T1167] netdev_get_by_index+0x5e/0x80 [ 961.840268][ T1167] fib6_nh_init+0x3d8/0x1580 [ 961.840268][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 961.840268][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 961.840268][ T1167] ipv6_add_addr+0x411/0x2000 [ 961.840268][ T1167] inet6_addr_add+0x30e/0xa40 [ 961.840268][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 961.840268][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.840268][ T1167] netlink_rcv_skb+0x130/0x360 [ 961.840268][ T1167] netlink_unicast+0x449/0x710 [ 961.840268][ T1167] netlink_sendmsg+0x723/0xbe0 [ 961.840268][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 961.840268][ T1167] ___sys_sendmsg+0xee/0x170 [ 961.840268][ T1167] __sys_sendmsg+0xcd/0x170 [ 961.840268][ T1167] do_syscall_64+0xc6/0x1e0 [ 961.840268][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.840268][ T1167] [ 961.842542][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 961.842542][ T1167] netdev_get_by_index+0x5e/0x80 [ 961.842542][ T1167] fib6_nh_init+0x3d8/0x1580 [ 961.842542][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 961.842542][ T1167] ip6_route_add+0x1c/0x140 [ 961.842542][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 961.842542][ T1167] addrconf_add_dev+0xe2/0x170 [ 961.842542][ T1167] inet6_addr_add+0x12f/0xa40 [ 961.842542][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 961.842542][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.842542][ T1167] netlink_rcv_skb+0x130/0x360 [ 961.842542][ T1167] netlink_unicast+0x449/0x710 [ 961.842542][ T1167] netlink_sendmsg+0x723/0xbe0 [ 961.842542][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 961.842542][ T1167] ___sys_sendmsg+0xee/0x170 [ 961.842542][ T1167] __sys_sendmsg+0xcd/0x170 [ 961.842542][ T1167] do_syscall_64+0xc6/0x1e0 [ 961.842542][ T1167] [ 961.844766][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 961.844766][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 961.844766][ T1167] ipv6_find_idev+0x102/0x170 [ 961.844766][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 961.844766][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.844766][ T1167] netlink_rcv_skb+0x130/0x360 [ 961.844766][ T1167] netlink_unicast+0x449/0x710 [ 961.844766][ T1167] netlink_sendmsg+0x723/0xbe0 [ 961.844766][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 961.844766][ T1167] ___sys_sendmsg+0xee/0x170 [ 961.844766][ T1167] __sys_sendmsg+0xcd/0x170 [ 961.844766][ T1167] do_syscall_64+0xc6/0x1e0 [ 961.844766][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.844766][ T1167] [ 961.846506][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 961.846506][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 961.846506][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 961.846506][ T1167] ipv6_find_idev+0x102/0x170 [ 961.846506][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 961.846506][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.846506][ T1167] netlink_rcv_skb+0x130/0x360 [ 961.846506][ T1167] netlink_unicast+0x449/0x710 [ 961.846506][ T1167] netlink_sendmsg+0x723/0xbe0 [ 961.846506][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 961.846506][ T1167] ___sys_sendmsg+0xee/0x170 [ 961.846506][ T1167] __sys_sendmsg+0xcd/0x170 [ 961.846506][ T1167] do_syscall_64+0xc6/0x1e0 [ 961.846506][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.846506][ T1167] [ 962.585130][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 962.585600][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 962.585600][ T10] netdev_get_by_index+0x5e/0x80 [ 962.585600][ T10] fib6_nh_init+0x3d8/0x1580 [ 962.585600][ T10] ip6_route_info_create+0xf18/0x17d0 [ 962.585600][ T10] addrconf_f6i_alloc+0x265/0x560 [ 962.585600][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 962.585600][ T10] addrconf_join_anycast+0x1c0/0x220 [ 962.585600][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 962.585600][ T10] addrconf_dad_completed+0x12b/0xe20 [ 962.585600][ T10] addrconf_dad_begin+0x310/0x670 [ 962.585600][ T10] addrconf_dad_work+0x10b/0xab0 [ 962.585600][ T10] process_one_work+0x84d/0x18a0 [ 962.585600][ T10] worker_thread+0x587/0xd30 [ 962.585600][ T10] kthread+0x28a/0x350 [ 962.585600][ T10] ret_from_fork+0x31/0x70 [ 962.585600][ T10] ret_from_fork_asm+0x1a/0x30 [ 962.585600][ T10] [ 962.587560][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 962.587560][ T10] netdev_get_by_index+0x5e/0x80 [ 962.587560][ T10] fib6_nh_init+0x3d8/0x1580 [ 962.587560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 962.587560][ T10] ip6_route_add+0x1c/0x140 [ 962.587560][ T10] addrconf_prefix_route+0x2a6/0x430 [ 962.587560][ T10] inet6_addr_add+0x4f8/0xa40 [ 962.587560][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 962.587560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.587560][ T10] netlink_rcv_skb+0x130/0x360 [ 962.587560][ T10] netlink_unicast+0x449/0x710 [ 962.587560][ T10] netlink_sendmsg+0x723/0xbe0 [ 962.587560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 962.587560][ T10] ___sys_sendmsg+0xee/0x170 [ 962.587560][ T10] __sys_sendmsg+0xcd/0x170 [ 962.587560][ T10] do_syscall_64+0xc6/0x1e0 [ 962.587560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.587560][ T10] [ 962.589559][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 962.589559][ T10] netdev_get_by_index+0x5e/0x80 [ 962.589559][ T10] fib6_nh_init+0x3d8/0x1580 [ 962.589559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 962.589559][ T10] addrconf_f6i_alloc+0x315/0x560 [ 962.589559][ T10] ipv6_add_addr+0x411/0x2000 [ 962.589559][ T10] inet6_addr_add+0x30e/0xa40 [ 962.589559][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 962.589559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.589559][ T10] netlink_rcv_skb+0x130/0x360 [ 962.589559][ T10] netlink_unicast+0x449/0x710 [ 962.589559][ T10] netlink_sendmsg+0x723/0xbe0 [ 962.589559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 962.589559][ T10] ___sys_sendmsg+0xee/0x170 [ 962.589559][ T10] __sys_sendmsg+0xcd/0x170 [ 962.589559][ T10] do_syscall_64+0xc6/0x1e0 [ 962.589559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.589559][ T10] [ 962.591554][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 962.591554][ T10] netdev_get_by_index+0x5e/0x80 [ 962.591554][ T10] fib6_nh_init+0x3d8/0x1580 [ 962.591554][ T10] ip6_route_info_create+0xf18/0x17d0 [ 962.591554][ T10] ip6_route_add+0x1c/0x140 [ 962.591554][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 962.591554][ T10] addrconf_add_dev+0xe2/0x170 [ 962.591554][ T10] inet6_addr_add+0x12f/0xa40 [ 962.591554][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 962.591554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.591554][ T10] netlink_rcv_skb+0x130/0x360 [ 962.591554][ T10] netlink_unicast+0x449/0x710 [ 962.591554][ T10] netlink_sendmsg+0x723/0xbe0 [ 962.591554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 962.591554][ T10] ___sys_sendmsg+0xee/0x170 [ 962.591554][ T10] __sys_sendmsg+0xcd/0x170 [ 962.591554][ T10] do_syscall_64+0xc6/0x1e0 [ 962.591554][ T10] [ 962.593506][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 962.593506][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 962.593506][ T10] ipv6_find_idev+0x102/0x170 [ 962.593506][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 962.593506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.593506][ T10] netlink_rcv_skb+0x130/0x360 [ 962.593506][ T10] netlink_unicast+0x449/0x710 [ 962.593506][ T10] netlink_sendmsg+0x723/0xbe0 [ 962.593506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 962.593506][ T10] ___sys_sendmsg+0xee/0x170 [ 962.593506][ T10] __sys_sendmsg+0xcd/0x170 [ 962.593506][ T10] do_syscall_64+0xc6/0x1e0 [ 962.593506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.593506][ T10] [ 962.595106][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 962.595106][ T10] neigh_parms_alloc+0x1e5/0x510 [ 962.595106][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 962.595106][ T10] ipv6_find_idev+0x102/0x170 [ 962.595106][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 962.595106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.595106][ T10] netlink_rcv_skb+0x130/0x360 [ 962.595106][ T10] netlink_unicast+0x449/0x710 [ 962.595106][ T10] netlink_sendmsg+0x723/0xbe0 [ 962.595106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 962.595106][ T10] ___sys_sendmsg+0xee/0x170 [ 962.595106][ T10] __sys_sendmsg+0xcd/0x170 [ 962.595106][ T10] do_syscall_64+0xc6/0x1e0 [ 962.595106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.595106][ T10] [ 962.596909][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 962.597186][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 962.597186][ T10] netdev_get_by_index+0x5e/0x80 [ 962.597186][ T10] fib6_nh_init+0x3d8/0x1580 [ 962.597186][ T10] ip6_route_info_create+0xf18/0x17d0 [ 962.597186][ T10] addrconf_f6i_alloc+0x265/0x560 [ 962.597186][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 962.597186][ T10] addrconf_join_anycast+0x1c0/0x220 [ 962.597186][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 962.597186][ T10] addrconf_dad_completed+0x12b/0xe20 [ 962.597186][ T10] addrconf_dad_begin+0x310/0x670 [ 962.597186][ T10] addrconf_dad_work+0x10b/0xab0 [ 962.597186][ T10] process_one_work+0x84d/0x18a0 [ 962.597186][ T10] worker_thread+0x587/0xd30 [ 962.597186][ T10] kthread+0x28a/0x350 [ 962.597186][ T10] ret_from_fork+0x31/0x70 [ 962.597186][ T10] ret_from_fork_asm+0x1a/0x30 [ 962.597186][ T10] [ 962.599232][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 962.599232][ T10] netdev_get_by_index+0x5e/0x80 [ 962.599232][ T10] fib6_nh_init+0x3d8/0x1580 [ 962.599232][ T10] ip6_route_info_create+0xf18/0x17d0 [ 962.599232][ T10] ip6_route_add+0x1c/0x140 [ 962.599232][ T10] addrconf_prefix_route+0x2a6/0x430 [ 962.599232][ T10] inet6_addr_add+0x4f8/0xa40 [ 962.599232][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 962.599232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.599232][ T10] netlink_rcv_skb+0x130/0x360 [ 962.599232][ T10] netlink_unicast+0x449/0x710 [ 962.599232][ T10] netlink_sendmsg+0x723/0xbe0 [ 962.599232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 962.599232][ T10] ___sys_sendmsg+0xee/0x170 [ 962.599232][ T10] __sys_sendmsg+0xcd/0x170 [ 962.599232][ T10] do_syscall_64+0xc6/0x1e0 [ 962.599232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.599232][ T10] [ 962.601306][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 962.601306][ T10] netdev_get_by_index+0x5e/0x80 [ 962.601306][ T10] fib6_nh_init+0x3d8/0x1580 [ 962.601306][ T10] ip6_route_info_create+0xf18/0x17d0 [ 962.601306][ T10] addrconf_f6i_alloc+0x315/0x560 [ 962.601306][ T10] ipv6_add_addr+0x411/0x2000 [ 962.601306][ T10] inet6_addr_add+0x30e/0xa40 [ 962.601306][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 962.601306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.601306][ T10] netlink_rcv_skb+0x130/0x360 [ 962.601306][ T10] netlink_unicast+0x449/0x710 [ 962.601306][ T10] netlink_sendmsg+0x723/0xbe0 [ 962.601306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 962.601306][ T10] ___sys_sendmsg+0xee/0x170 [ 962.601306][ T10] __sys_sendmsg+0xcd/0x170 [ 962.601306][ T10] do_syscall_64+0xc6/0x1e0 [ 962.601306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.601306][ T10] [ 962.603419][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 962.603419][ T10] netdev_get_by_index+0x5e/0x80 [ 962.603419][ T10] fib6_nh_init+0x3d8/0x1580 [ 962.603419][ T10] ip6_route_info_create+0xf18/0x17d0 [ 962.603419][ T10] ip6_route_add+0x1c/0x140 [ 962.603419][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 962.603419][ T10] addrconf_add_dev+0xe2/0x170 [ 962.603419][ T10] inet6_addr_add+0x12f/0xa40 [ 962.603419][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 962.603419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.603419][ T10] netlink_rcv_skb+0x130/0x360 [ 962.603419][ T10] netlink_unicast+0x449/0x710 [ 962.603419][ T10] netlink_sendmsg+0x723/0xbe0 [ 962.603419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 962.603419][ T10] ___sys_sendmsg+0xee/0x170 [ 962.603419][ T10] __sys_sendmsg+0xcd/0x170 [ 962.603419][ T10] do_syscall_64+0xc6/0x1e0 [ 962.603419][ T10] [ 962.605477][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 962.605477][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 962.605477][ T10] ipv6_find_idev+0x102/0x170 [ 962.605477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 962.605477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.605477][ T10] netlink_rcv_skb+0x130/0x360 [ 962.605477][ T10] netlink_unicast+0x449/0x710 [ 962.605477][ T10] netlink_sendmsg+0x723/0xbe0 [ 962.605477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 962.605477][ T10] ___sys_sendmsg+0xee/0x170 [ 962.605477][ T10] __sys_sendmsg+0xcd/0x170 [ 962.605477][ T10] do_syscall_64+0xc6/0x1e0 [ 962.605477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.605477][ T10] [ 962.607109][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 962.607109][ T10] neigh_parms_alloc+0x1e5/0x510 [ 962.607109][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 962.607109][ T10] ipv6_find_idev+0x102/0x170 [ 962.607109][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 962.607109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.607109][ T10] netlink_rcv_skb+0x130/0x360 [ 962.607109][ T10] netlink_unicast+0x449/0x710 [ 962.607109][ T10] netlink_sendmsg+0x723/0xbe0 [ 962.607109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 962.607109][ T10] ___sys_sendmsg+0xee/0x170 [ 962.607109][ T10] __sys_sendmsg+0xcd/0x170 [ 962.607109][ T10] do_syscall_64+0xc6/0x1e0 [ 962.607109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.607109][ T10] [ 962.608817][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 962.609080][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 962.609080][ T10] netdev_get_by_index+0x5e/0x80 [ 962.609080][ T10] fib6_nh_init+0x3d8/0x1580 [ 962.609080][ T10] ip6_route_info_create+0xf18/0x17d0 [ 962.609080][ T10] addrconf_f6i_alloc+0x265/0x560 [ 962.609080][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 962.609080][ T10] addrconf_join_anycast+0x1c0/0x220 [ 962.609080][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 962.609080][ T10] addrconf_dad_completed+0x12b/0xe20 [ 962.609080][ T10] addrconf_dad_begin+0x310/0x670 [ 962.609080][ T10] addrconf_dad_work+0x10b/0xab0 [ 962.609080][ T10] process_one_work+0x84d/0x18a0 [ 962.609080][ T10] worker_thread+0x587/0xd30 [ 962.609080][ T10] kthread+0x28a/0x350 [ 962.609080][ T10] ret_from_fork+0x31/0x70 [ 962.609080][ T10] ret_from_fork_asm+0x1a/0x30 [ 962.609080][ T10] [ 962.611001][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 962.611001][ T10] netdev_get_by_index+0x5e/0x80 [ 962.611001][ T10] fib6_nh_init+0x3d8/0x1580 [ 962.611001][ T10] ip6_route_info_create+0xf18/0x17d0 [ 962.611001][ T10] ip6_route_add+0x1c/0x140 [ 962.611001][ T10] addrconf_prefix_route+0x2a6/0x430 [ 962.611001][ T10] inet6_addr_add+0x4f8/0xa40 [ 962.611001][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 962.611001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.611001][ T10] netlink_rcv_skb+0x130/0x360 [ 962.611001][ T10] netlink_unicast+0x449/0x710 [ 962.611001][ T10] netlink_sendmsg+0x723/0xbe0 [ 962.611001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 962.611001][ T10] ___sys_sendmsg+0xee/0x170 [ 962.611001][ T10] __sys_sendmsg+0xcd/0x170 [ 962.611001][ T10] do_syscall_64+0xc6/0x1e0 [ 962.611001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.611001][ T10] [ 962.613184][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 962.613184][ T10] netdev_get_by_index+0x5e/0x80 [ 962.613184][ T10] fib6_nh_init+0x3d8/0x1580 [ 962.613184][ T10] ip6_route_info_create+0xf18/0x17d0 [ 962.613184][ T10] addrconf_f6i_alloc+0x315/0x560 [ 962.613184][ T10] ipv6_add_addr+0x411/0x2000 [ 962.613184][ T10] inet6_addr_add+0x30e/0xa40 [ 962.613184][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 962.613184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.613184][ T10] netlink_rcv_skb+0x130/0x360 [ 962.613184][ T10] netlink_unicast+0x449/0x710 [ 962.613184][ T10] netlink_sendmsg+0x723/0xbe0 [ 962.613184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 962.613184][ T10] ___sys_sendmsg+0xee/0x170 [ 962.613184][ T10] __sys_sendmsg+0xcd/0x170 [ 962.613184][ T10] do_syscall_64+0xc6/0x1e0 [ 962.613184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.613184][ T10] [ 962.615577][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 962.615577][ T10] netdev_get_by_index+0x5e/0x80 [ 962.615577][ T10] fib6_nh_init+0x3d8/0x1580 [ 962.615577][ T10] ip6_route_info_create+0xf18/0x17d0 [ 962.615577][ T10] ip6_route_add+0x1c/0x140 [ 962.615577][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 962.615577][ T10] addrconf_add_dev+0xe2/0x170 [ 962.615577][ T10] inet6_addr_add+0x12f/0xa40 [ 962.615577][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 962.615577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.615577][ T10] netlink_rcv_skb+0x130/0x360 [ 962.615577][ T10] netlink_unicast+0x449/0x710 [ 962.615577][ T10] netlink_sendmsg+0x723/0xbe0 [ 962.615577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 962.615577][ T10] ___sys_sendmsg+0xee/0x170 [ 962.615577][ T10] __sys_sendmsg+0xcd/0x170 [ 962.615577][ T10] do_syscall_64+0xc6/0x1e0 [ 962.615577][ T10] [ 962.617915][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 962.617915][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 962.617915][ T10] ipv6_find_idev+0x102/0x170 [ 962.617915][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 962.617915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.617915][ T10] netlink_rcv_skb+0x130/0x360 [ 962.617915][ T10] netlink_unicast+0x449/0x710 [ 962.617915][ T10] netlink_sendmsg+0x723/0xbe0 [ 962.617915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 962.617915][ T10] ___sys_sendmsg+0xee/0x170 [ 962.617915][ T10] __sys_sendmsg+0xcd/0x170 [ 962.617915][ T10] do_syscall_64+0xc6/0x1e0 [ 962.617915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.617915][ T10] [ 962.619705][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 962.619705][ T10] neigh_parms_alloc+0x1e5/0x510 [ 962.619705][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 962.619705][ T10] ipv6_find_idev+0x102/0x170 [ 962.619705][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 962.619705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.619705][ T10] netlink_rcv_skb+0x130/0x360 [ 962.619705][ T10] netlink_unicast+0x449/0x710 [ 962.619705][ T10] netlink_sendmsg+0x723/0xbe0 [ 962.619705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 962.619705][ T10] ___sys_sendmsg+0xee/0x170 [ 962.619705][ T10] __sys_sendmsg+0xcd/0x170 [ 962.619705][ T10] do_syscall_64+0xc6/0x1e0 [ 962.619705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.619705][ T10] [ 962.621745][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 962.622019][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 962.622019][ T10] netdev_get_by_index+0x5e/0x80 [ 962.622019][ T10] fib6_nh_init+0x3d8/0x1580 [ 962.622019][ T10] ip6_route_info_create+0xf18/0x17d0 [ 962.622019][ T10] addrconf_f6i_alloc+0x265/0x560 [ 962.622019][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 962.622019][ T10] addrconf_join_anycast+0x1c0/0x220 [ 962.622019][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 962.622019][ T10] addrconf_dad_completed+0x12b/0xe20 [ 962.622019][ T10] addrconf_dad_begin+0x310/0x670 [ 962.622019][ T10] addrconf_dad_work+0x10b/0xab0 [ 962.622019][ T10] process_one_work+0x84d/0x18a0 [ 962.622019][ T10] worker_thread+0x587/0xd30 [ 962.622019][ T10] kthread+0x28a/0x350 [ 962.622019][ T10] ret_from_fork+0x31/0x70 [ 962.622019][ T10] ret_from_fork_asm+0x1a/0x30 [ 962.622019][ T10] [ 962.624293][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 962.624293][ T10] netdev_get_by_index+0x5e/0x80 [ 962.624293][ T10] fib6_nh_init+0x3d8/0x1580 [ 962.624293][ T10] ip6_route_info_create+0xf18/0x17d0 [ 962.624293][ T10] ip6_route_add+0x1c/0x140 [ 962.624293][ T10] addrconf_prefix_route+0x2a6/0x430 [ 962.624293][ T10] inet6_addr_add+0x4f8/0xa40 [ 962.624293][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 962.624293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.624293][ T10] netlink_rcv_skb+0x130/0x360 [ 962.624293][ T10] netlink_unicast+0x449/0x710 [ 962.624293][ T10] netlink_sendmsg+0x723/0xbe0 [ 962.624293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 962.624293][ T10] ___sys_sendmsg+0xee/0x170 [ 962.624293][ T10] __sys_sendmsg+0xcd/0x170 [ 962.624293][ T10] do_syscall_64+0xc6/0x1e0 [ 962.624293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.624293][ T10] [ 962.626664][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 962.626664][ T10] netdev_get_by_index+0x5e/0x80 [ 962.626664][ T10] fib6_nh_init+0x3d8/0x1580 [ 962.626664][ T10] ip6_route_info_create+0xf18/0x17d0 [ 962.626664][ T10] addrconf_f6i_alloc+0x315/0x560 [ 962.626664][ T10] ipv6_add_addr+0x411/0x2000 [ 962.626664][ T10] inet6_addr_add+0x30e/0xa40 [ 962.626664][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 962.626664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.626664][ T10] netlink_rcv_skb+0x130/0x360 [ 962.626664][ T10] netlink_unicast+0x449/0x710 [ 962.626664][ T10] netlink_sendmsg+0x723/0xbe0 [ 962.626664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 962.626664][ T10] ___sys_sendmsg+0xee/0x170 [ 962.626664][ T10] __sys_sendmsg+0xcd/0x170 [ 962.626664][ T10] do_syscall_64+0xc6/0x1e0 [ 962.626664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.626664][ T10] [ 962.629013][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 962.629013][ T10] netdev_get_by_index+0x5e/0x80 [ 962.629013][ T10] fib6_nh_init+0x3d8/0x1580 [ 962.629013][ T10] ip6_route_info_create+0xf18/0x17d0 [ 962.629013][ T10] ip6_route_add+0x1c/0x140 [ 962.629013][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 962.629013][ T10] addrconf_add_dev+0xe2/0x170 [ 962.629013][ T10] inet6_addr_add+0x12f/0xa40 [ 962.629013][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 962.629013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.629013][ T10] netlink_rcv_skb+0x130/0x360 [ 962.629013][ T10] netlink_unicast+0x449/0x710 [ 962.629013][ T10] netlink_sendmsg+0x723/0xbe0 [ 962.629013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 962.629013][ T10] ___sys_sendmsg+0xee/0x170 [ 962.629013][ T10] __sys_sendmsg+0xcd/0x170 [ 962.629013][ T10] do_syscall_64+0xc6/0x1e0 [ 962.629013][ T10] [ 962.631272][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 962.631272][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 962.631272][ T10] ipv6_find_idev+0x102/0x170 [ 962.631272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 962.631272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.631272][ T10] netlink_rcv_skb+0x130/0x360 [ 962.631272][ T10] netlink_unicast+0x449/0x710 [ 962.631272][ T10] netlink_sendmsg+0x723/0xbe0 [ 962.631272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 962.631272][ T10] ___sys_sendmsg+0xee/0x170 [ 962.631272][ T10] __sys_sendmsg+0xcd/0x170 [ 962.631272][ T10] do_syscall_64+0xc6/0x1e0 [ 962.631272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.631272][ T10] [ 962.632988][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 962.632988][ T10] neigh_parms_alloc+0x1e5/0x510 [ 962.632988][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 962.632988][ T10] ipv6_find_idev+0x102/0x170 [ 962.632988][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 962.632988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.632988][ T10] netlink_rcv_skb+0x130/0x360 [ 962.632988][ T10] netlink_unicast+0x449/0x710 [ 962.632988][ T10] netlink_sendmsg+0x723/0xbe0 [ 962.632988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 962.632988][ T10] ___sys_sendmsg+0xee/0x170 [ 962.632988][ T10] __sys_sendmsg+0xcd/0x170 [ 962.632988][ T10] do_syscall_64+0xc6/0x1e0 [ 962.632988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.632988][ T10] [ 971.865169][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 971.865666][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 971.865666][ T1167] dst_init+0x84/0x4a0 [ 971.865666][ T1167] dst_alloc+0x97/0x150 [ 971.865666][ T1167] ip6_dst_alloc+0x23/0x90 [ 971.865666][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 971.865666][ T1167] ip6_pol_route+0x56f/0x840 [ 971.865666][ T1167] fib6_rule_lookup+0x334/0x630 [ 971.865666][ T1167] ip6_route_output_flags+0x259/0x480 [ 971.865666][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 971.865666][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 971.865666][ T1167] netlink_rcv_skb+0x130/0x360 [ 971.865666][ T1167] netlink_unicast+0x449/0x710 [ 971.865666][ T1167] netlink_sendmsg+0x723/0xbe0 [ 971.865666][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 971.865666][ T1167] ___sys_sendmsg+0xee/0x170 [ 971.865666][ T1167] __sys_sendmsg+0xcd/0x170 [ 971.865666][ T1167] do_syscall_64+0xc6/0x1e0 [ 971.865666][ T1167] [ 971.867893][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 971.867893][ T1167] netdev_get_by_index+0x5e/0x80 [ 971.867893][ T1167] fib6_nh_init+0x3d8/0x1580 [ 971.867893][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 971.867893][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 971.867893][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 971.867893][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 971.867893][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 971.867893][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 971.867893][ T1167] addrconf_dad_begin+0x310/0x670 [ 971.867893][ T1167] addrconf_dad_work+0x10b/0xab0 [ 971.867893][ T1167] process_one_work+0x84d/0x18a0 [ 971.867893][ T1167] worker_thread+0x587/0xd30 [ 971.867893][ T1167] kthread+0x28a/0x350 [ 971.867893][ T1167] ret_from_fork+0x31/0x70 [ 971.867893][ T1167] ret_from_fork_asm+0x1a/0x30 [ 971.867893][ T1167] [ 971.870066][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 971.870066][ T1167] netdev_get_by_index+0x5e/0x80 [ 971.870066][ T1167] fib6_nh_init+0x3d8/0x1580 [ 971.870066][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 971.870066][ T1167] ip6_route_add+0x1c/0x140 [ 971.870066][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 971.870066][ T1167] inet6_addr_add+0x4f8/0xa40 [ 971.870066][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 971.870066][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.870066][ T1167] netlink_rcv_skb+0x130/0x360 [ 971.870066][ T1167] netlink_unicast+0x449/0x710 [ 971.870066][ T1167] netlink_sendmsg+0x723/0xbe0 [ 971.870066][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 971.870066][ T1167] ___sys_sendmsg+0xee/0x170 [ 971.870066][ T1167] __sys_sendmsg+0xcd/0x170 [ 971.870066][ T1167] do_syscall_64+0xc6/0x1e0 [ 971.870066][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.870066][ T1167] [ 971.872331][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 971.872331][ T1167] netdev_get_by_index+0x5e/0x80 [ 971.872331][ T1167] fib6_nh_init+0x3d8/0x1580 [ 971.872331][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 971.872331][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 971.872331][ T1167] ipv6_add_addr+0x411/0x2000 [ 971.872331][ T1167] inet6_addr_add+0x30e/0xa40 [ 971.872331][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 971.872331][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.872331][ T1167] netlink_rcv_skb+0x130/0x360 [ 971.872331][ T1167] netlink_unicast+0x449/0x710 [ 971.872331][ T1167] netlink_sendmsg+0x723/0xbe0 [ 971.872331][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 971.872331][ T1167] ___sys_sendmsg+0xee/0x170 [ 971.872331][ T1167] __sys_sendmsg+0xcd/0x170 [ 971.872331][ T1167] do_syscall_64+0xc6/0x1e0 [ 971.872331][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.872331][ T1167] [ 971.874609][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 971.874609][ T1167] netdev_get_by_index+0x5e/0x80 [ 971.874609][ T1167] fib6_nh_init+0x3d8/0x1580 [ 971.874609][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 971.874609][ T1167] ip6_route_add+0x1c/0x140 [ 971.874609][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 971.874609][ T1167] addrconf_add_dev+0xe2/0x170 [ 971.874609][ T1167] inet6_addr_add+0x12f/0xa40 [ 971.874609][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 971.874609][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.874609][ T1167] netlink_rcv_skb+0x130/0x360 [ 971.874609][ T1167] netlink_unicast+0x449/0x710 [ 971.874609][ T1167] netlink_sendmsg+0x723/0xbe0 [ 971.874609][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 971.874609][ T1167] ___sys_sendmsg+0xee/0x170 [ 971.874609][ T1167] __sys_sendmsg+0xcd/0x170 [ 971.874609][ T1167] do_syscall_64+0xc6/0x1e0 [ 971.874609][ T1167] [ 971.876822][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 971.876822][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 971.876822][ T1167] ipv6_find_idev+0x102/0x170 [ 971.876822][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 971.876822][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.876822][ T1167] netlink_rcv_skb+0x130/0x360 [ 971.876822][ T1167] netlink_unicast+0x449/0x710 [ 971.876822][ T1167] netlink_sendmsg+0x723/0xbe0 [ 971.876822][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 971.876822][ T1167] ___sys_sendmsg+0xee/0x170 [ 971.876822][ T1167] __sys_sendmsg+0xcd/0x170 [ 971.876822][ T1167] do_syscall_64+0xc6/0x1e0 [ 971.876822][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.876822][ T1167] [ 971.878564][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 971.878564][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 971.878564][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 971.878564][ T1167] ipv6_find_idev+0x102/0x170 [ 971.878564][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 971.878564][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 971.878564][ T1167] netlink_rcv_skb+0x130/0x360 [ 971.878564][ T1167] netlink_unicast+0x449/0x710 [ 971.878564][ T1167] netlink_sendmsg+0x723/0xbe0 [ 971.878564][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 971.878564][ T1167] ___sys_sendmsg+0xee/0x170 [ 971.878564][ T1167] __sys_sendmsg+0xcd/0x170 [ 971.878564][ T1167] do_syscall_64+0xc6/0x1e0 [ 971.878564][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 971.878564][ T1167] [ 972.873093][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 972.873622][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 972.873622][ T10] netdev_get_by_index+0x5e/0x80 [ 972.873622][ T10] fib6_nh_init+0x3d8/0x1580 [ 972.873622][ T10] ip6_route_info_create+0xf18/0x17d0 [ 972.873622][ T10] addrconf_f6i_alloc+0x265/0x560 [ 972.873622][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 972.873622][ T10] addrconf_join_anycast+0x1c0/0x220 [ 972.873622][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 972.873622][ T10] addrconf_dad_completed+0x12b/0xe20 [ 972.873622][ T10] addrconf_dad_begin+0x310/0x670 [ 972.873622][ T10] addrconf_dad_work+0x10b/0xab0 [ 972.873622][ T10] process_one_work+0x84d/0x18a0 [ 972.873622][ T10] worker_thread+0x587/0xd30 [ 972.873622][ T10] kthread+0x28a/0x350 [ 972.873622][ T10] ret_from_fork+0x31/0x70 [ 972.873622][ T10] ret_from_fork_asm+0x1a/0x30 [ 972.873622][ T10] [ 972.876697][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 972.876697][ T10] netdev_get_by_index+0x5e/0x80 [ 972.876697][ T10] fib6_nh_init+0x3d8/0x1580 [ 972.876697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 972.876697][ T10] ip6_route_add+0x1c/0x140 [ 972.876697][ T10] addrconf_prefix_route+0x2a6/0x430 [ 972.876697][ T10] inet6_addr_add+0x4f8/0xa40 [ 972.876697][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 972.876697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.876697][ T10] netlink_rcv_skb+0x130/0x360 [ 972.876697][ T10] netlink_unicast+0x449/0x710 [ 972.876697][ T10] netlink_sendmsg+0x723/0xbe0 [ 972.876697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 972.876697][ T10] ___sys_sendmsg+0xee/0x170 [ 972.876697][ T10] __sys_sendmsg+0xcd/0x170 [ 972.876697][ T10] do_syscall_64+0xc6/0x1e0 [ 972.876697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.876697][ T10] [ 972.879852][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 972.879852][ T10] netdev_get_by_index+0x5e/0x80 [ 972.879852][ T10] fib6_nh_init+0x3d8/0x1580 [ 972.879852][ T10] ip6_route_info_create+0xf18/0x17d0 [ 972.879852][ T10] addrconf_f6i_alloc+0x315/0x560 [ 972.879852][ T10] ipv6_add_addr+0x411/0x2000 [ 972.879852][ T10] inet6_addr_add+0x30e/0xa40 [ 972.879852][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 972.879852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.879852][ T10] netlink_rcv_skb+0x130/0x360 [ 972.879852][ T10] netlink_unicast+0x449/0x710 [ 972.879852][ T10] netlink_sendmsg+0x723/0xbe0 [ 972.879852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 972.879852][ T10] ___sys_sendmsg+0xee/0x170 [ 972.879852][ T10] __sys_sendmsg+0xcd/0x170 [ 972.879852][ T10] do_syscall_64+0xc6/0x1e0 [ 972.879852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.879852][ T10] [ 972.882951][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 972.882951][ T10] netdev_get_by_index+0x5e/0x80 [ 972.882951][ T10] fib6_nh_init+0x3d8/0x1580 [ 972.882951][ T10] ip6_route_info_create+0xf18/0x17d0 [ 972.882951][ T10] ip6_route_add+0x1c/0x140 [ 972.882951][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 972.882951][ T10] addrconf_add_dev+0xe2/0x170 [ 972.882951][ T10] inet6_addr_add+0x12f/0xa40 [ 972.882951][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 972.882951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.882951][ T10] netlink_rcv_skb+0x130/0x360 [ 972.882951][ T10] netlink_unicast+0x449/0x710 [ 972.882951][ T10] netlink_sendmsg+0x723/0xbe0 [ 972.882951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 972.882951][ T10] ___sys_sendmsg+0xee/0x170 [ 972.882951][ T10] __sys_sendmsg+0xcd/0x170 [ 972.882951][ T10] do_syscall_64+0xc6/0x1e0 [ 972.882951][ T10] [ 972.886096][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 972.886096][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 972.886096][ T10] ipv6_find_idev+0x102/0x170 [ 972.886096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 972.886096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.886096][ T10] netlink_rcv_skb+0x130/0x360 [ 972.886096][ T10] netlink_unicast+0x449/0x710 [ 972.886096][ T10] netlink_sendmsg+0x723/0xbe0 [ 972.886096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 972.886096][ T10] ___sys_sendmsg+0xee/0x170 [ 972.886096][ T10] __sys_sendmsg+0xcd/0x170 [ 972.886096][ T10] do_syscall_64+0xc6/0x1e0 [ 972.886096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.886096][ T10] [ 972.888485][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 972.888485][ T10] neigh_parms_alloc+0x1e5/0x510 [ 972.888485][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 972.888485][ T10] ipv6_find_idev+0x102/0x170 [ 972.888485][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 972.888485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.888485][ T10] netlink_rcv_skb+0x130/0x360 [ 972.888485][ T10] netlink_unicast+0x449/0x710 [ 972.888485][ T10] netlink_sendmsg+0x723/0xbe0 [ 972.888485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 972.888485][ T10] ___sys_sendmsg+0xee/0x170 [ 972.888485][ T10] __sys_sendmsg+0xcd/0x170 [ 972.888485][ T10] do_syscall_64+0xc6/0x1e0 [ 972.888485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.888485][ T10] [ 972.891127][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 972.891525][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 972.891525][ T10] netdev_get_by_index+0x5e/0x80 [ 972.891525][ T10] fib6_nh_init+0x3d8/0x1580 [ 972.891525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 972.891525][ T10] addrconf_f6i_alloc+0x265/0x560 [ 972.891525][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 972.891525][ T10] addrconf_join_anycast+0x1c0/0x220 [ 972.891525][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 972.891525][ T10] addrconf_dad_completed+0x12b/0xe20 [ 972.891525][ T10] addrconf_dad_begin+0x310/0x670 [ 972.891525][ T10] addrconf_dad_work+0x10b/0xab0 [ 972.891525][ T10] process_one_work+0x84d/0x18a0 [ 972.891525][ T10] worker_thread+0x587/0xd30 [ 972.891525][ T10] kthread+0x28a/0x350 [ 972.891525][ T10] ret_from_fork+0x31/0x70 [ 972.891525][ T10] ret_from_fork_asm+0x1a/0x30 [ 972.891525][ T10] [ 972.894455][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 972.894455][ T10] netdev_get_by_index+0x5e/0x80 [ 972.894455][ T10] fib6_nh_init+0x3d8/0x1580 [ 972.894455][ T10] ip6_route_info_create+0xf18/0x17d0 [ 972.894455][ T10] ip6_route_add+0x1c/0x140 [ 972.894455][ T10] addrconf_prefix_route+0x2a6/0x430 [ 972.894455][ T10] inet6_addr_add+0x4f8/0xa40 [ 972.894455][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 972.894455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.894455][ T10] netlink_rcv_skb+0x130/0x360 [ 972.894455][ T10] netlink_unicast+0x449/0x710 [ 972.894455][ T10] netlink_sendmsg+0x723/0xbe0 [ 972.894455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 972.894455][ T10] ___sys_sendmsg+0xee/0x170 [ 972.894455][ T10] __sys_sendmsg+0xcd/0x170 [ 972.894455][ T10] do_syscall_64+0xc6/0x1e0 [ 972.894455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.894455][ T10] [ 972.897522][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 972.897522][ T10] netdev_get_by_index+0x5e/0x80 [ 972.897522][ T10] fib6_nh_init+0x3d8/0x1580 [ 972.897522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 972.897522][ T10] addrconf_f6i_alloc+0x315/0x560 [ 972.897522][ T10] ipv6_add_addr+0x411/0x2000 [ 972.897522][ T10] inet6_addr_add+0x30e/0xa40 [ 972.897522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 972.897522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.897522][ T10] netlink_rcv_skb+0x130/0x360 [ 972.897522][ T10] netlink_unicast+0x449/0x710 [ 972.897522][ T10] netlink_sendmsg+0x723/0xbe0 [ 972.897522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 972.897522][ T10] ___sys_sendmsg+0xee/0x170 [ 972.897522][ T10] __sys_sendmsg+0xcd/0x170 [ 972.897522][ T10] do_syscall_64+0xc6/0x1e0 [ 972.897522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.897522][ T10] [ 972.900610][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 972.900610][ T10] netdev_get_by_index+0x5e/0x80 [ 972.900610][ T10] fib6_nh_init+0x3d8/0x1580 [ 972.900610][ T10] ip6_route_info_create+0xf18/0x17d0 [ 972.900610][ T10] ip6_route_add+0x1c/0x140 [ 972.900610][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 972.900610][ T10] addrconf_add_dev+0xe2/0x170 [ 972.900610][ T10] inet6_addr_add+0x12f/0xa40 [ 972.900610][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 972.900610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.900610][ T10] netlink_rcv_skb+0x130/0x360 [ 972.900610][ T10] netlink_unicast+0x449/0x710 [ 972.900610][ T10] netlink_sendmsg+0x723/0xbe0 [ 972.900610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 972.900610][ T10] ___sys_sendmsg+0xee/0x170 [ 972.900610][ T10] __sys_sendmsg+0xcd/0x170 [ 972.900610][ T10] do_syscall_64+0xc6/0x1e0 [ 972.900610][ T10] [ 972.903647][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 972.903647][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 972.903647][ T10] ipv6_find_idev+0x102/0x170 [ 972.903647][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 972.903647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.903647][ T10] netlink_rcv_skb+0x130/0x360 [ 972.903647][ T10] netlink_unicast+0x449/0x710 [ 972.903647][ T10] netlink_sendmsg+0x723/0xbe0 [ 972.903647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 972.903647][ T10] ___sys_sendmsg+0xee/0x170 [ 972.903647][ T10] __sys_sendmsg+0xcd/0x170 [ 972.903647][ T10] do_syscall_64+0xc6/0x1e0 [ 972.903647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.903647][ T10] [ 972.906017][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 972.906017][ T10] neigh_parms_alloc+0x1e5/0x510 [ 972.906017][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 972.906017][ T10] ipv6_find_idev+0x102/0x170 [ 972.906017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 972.906017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.906017][ T10] netlink_rcv_skb+0x130/0x360 [ 972.906017][ T10] netlink_unicast+0x449/0x710 [ 972.906017][ T10] netlink_sendmsg+0x723/0xbe0 [ 972.906017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 972.906017][ T10] ___sys_sendmsg+0xee/0x170 [ 972.906017][ T10] __sys_sendmsg+0xcd/0x170 [ 972.906017][ T10] do_syscall_64+0xc6/0x1e0 [ 972.906017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.906017][ T10] [ 972.908604][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 972.908975][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 972.908975][ T10] netdev_get_by_index+0x5e/0x80 [ 972.908975][ T10] fib6_nh_init+0x3d8/0x1580 [ 972.908975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 972.908975][ T10] addrconf_f6i_alloc+0x265/0x560 [ 972.908975][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 972.908975][ T10] addrconf_join_anycast+0x1c0/0x220 [ 972.908975][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 972.908975][ T10] addrconf_dad_completed+0x12b/0xe20 [ 972.908975][ T10] addrconf_dad_begin+0x310/0x670 [ 972.908975][ T10] addrconf_dad_work+0x10b/0xab0 [ 972.908975][ T10] process_one_work+0x84d/0x18a0 [ 972.908975][ T10] worker_thread+0x587/0xd30 [ 972.908975][ T10] kthread+0x28a/0x350 [ 972.908975][ T10] ret_from_fork+0x31/0x70 [ 972.908975][ T10] ret_from_fork_asm+0x1a/0x30 [ 972.908975][ T10] [ 972.911894][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 972.911894][ T10] netdev_get_by_index+0x5e/0x80 [ 972.911894][ T10] fib6_nh_init+0x3d8/0x1580 [ 972.911894][ T10] ip6_route_info_create+0xf18/0x17d0 [ 972.911894][ T10] ip6_route_add+0x1c/0x140 [ 972.911894][ T10] addrconf_prefix_route+0x2a6/0x430 [ 972.911894][ T10] inet6_addr_add+0x4f8/0xa40 [ 972.911894][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 972.911894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.911894][ T10] netlink_rcv_skb+0x130/0x360 [ 972.911894][ T10] netlink_unicast+0x449/0x710 [ 972.911894][ T10] netlink_sendmsg+0x723/0xbe0 [ 972.911894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 972.911894][ T10] ___sys_sendmsg+0xee/0x170 [ 972.911894][ T10] __sys_sendmsg+0xcd/0x170 [ 972.911894][ T10] do_syscall_64+0xc6/0x1e0 [ 972.911894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.911894][ T10] [ 972.916230][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 972.916230][ T10] netdev_get_by_index+0x5e/0x80 [ 972.916230][ T10] fib6_nh_init+0x3d8/0x1580 [ 972.916230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 972.916230][ T10] addrconf_f6i_alloc+0x315/0x560 [ 972.916230][ T10] ipv6_add_addr+0x411/0x2000 [ 972.916230][ T10] inet6_addr_add+0x30e/0xa40 [ 972.916230][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 972.916230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.916230][ T10] netlink_rcv_skb+0x130/0x360 [ 972.916230][ T10] netlink_unicast+0x449/0x710 [ 972.916230][ T10] netlink_sendmsg+0x723/0xbe0 [ 972.916230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 972.916230][ T10] ___sys_sendmsg+0xee/0x170 [ 972.916230][ T10] __sys_sendmsg+0xcd/0x170 [ 972.916230][ T10] do_syscall_64+0xc6/0x1e0 [ 972.916230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.916230][ T10] [ 972.919359][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 972.919359][ T10] netdev_get_by_index+0x5e/0x80 [ 972.919359][ T10] fib6_nh_init+0x3d8/0x1580 [ 972.919359][ T10] ip6_route_info_create+0xf18/0x17d0 [ 972.919359][ T10] ip6_route_add+0x1c/0x140 [ 972.919359][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 972.919359][ T10] addrconf_add_dev+0xe2/0x170 [ 972.919359][ T10] inet6_addr_add+0x12f/0xa40 [ 972.919359][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 972.919359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.919359][ T10] netlink_rcv_skb+0x130/0x360 [ 972.919359][ T10] netlink_unicast+0x449/0x710 [ 972.919359][ T10] netlink_sendmsg+0x723/0xbe0 [ 972.919359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 972.919359][ T10] ___sys_sendmsg+0xee/0x170 [ 972.919359][ T10] __sys_sendmsg+0xcd/0x170 [ 972.919359][ T10] do_syscall_64+0xc6/0x1e0 [ 972.919359][ T10] [ 972.922518][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 972.922518][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 972.922518][ T10] ipv6_find_idev+0x102/0x170 [ 972.922518][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 972.922518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.922518][ T10] netlink_rcv_skb+0x130/0x360 [ 972.922518][ T10] netlink_unicast+0x449/0x710 [ 972.922518][ T10] netlink_sendmsg+0x723/0xbe0 [ 972.922518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 972.922518][ T10] ___sys_sendmsg+0xee/0x170 [ 972.922518][ T10] __sys_sendmsg+0xcd/0x170 [ 972.922518][ T10] do_syscall_64+0xc6/0x1e0 [ 972.922518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.922518][ T10] [ 972.925028][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 972.925028][ T10] neigh_parms_alloc+0x1e5/0x510 [ 972.925028][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 972.925028][ T10] ipv6_find_idev+0x102/0x170 [ 972.925028][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 972.925028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.925028][ T10] netlink_rcv_skb+0x130/0x360 [ 972.925028][ T10] netlink_unicast+0x449/0x710 [ 972.925028][ T10] netlink_sendmsg+0x723/0xbe0 [ 972.925028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 972.925028][ T10] ___sys_sendmsg+0xee/0x170 [ 972.925028][ T10] __sys_sendmsg+0xcd/0x170 [ 972.925028][ T10] do_syscall_64+0xc6/0x1e0 [ 972.925028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.925028][ T10] [ 972.927735][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 972.928124][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 972.928124][ T10] netdev_get_by_index+0x5e/0x80 [ 972.928124][ T10] fib6_nh_init+0x3d8/0x1580 [ 972.928124][ T10] ip6_route_info_create+0xf18/0x17d0 [ 972.928124][ T10] addrconf_f6i_alloc+0x265/0x560 [ 972.928124][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 972.928124][ T10] addrconf_join_anycast+0x1c0/0x220 [ 972.928124][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 972.928124][ T10] addrconf_dad_completed+0x12b/0xe20 [ 972.928124][ T10] addrconf_dad_begin+0x310/0x670 [ 972.928124][ T10] addrconf_dad_work+0x10b/0xab0 [ 972.928124][ T10] process_one_work+0x84d/0x18a0 [ 972.928124][ T10] worker_thread+0x587/0xd30 [ 972.928124][ T10] kthread+0x28a/0x350 [ 972.928124][ T10] ret_from_fork+0x31/0x70 [ 972.928124][ T10] ret_from_fork_asm+0x1a/0x30 [ 972.928124][ T10] [ 972.931231][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 972.931231][ T10] netdev_get_by_index+0x5e/0x80 [ 972.931231][ T10] fib6_nh_init+0x3d8/0x1580 [ 972.931231][ T10] ip6_route_info_create+0xf18/0x17d0 [ 972.931231][ T10] ip6_route_add+0x1c/0x140 [ 972.931231][ T10] addrconf_prefix_route+0x2a6/0x430 [ 972.931231][ T10] inet6_addr_add+0x4f8/0xa40 [ 972.931231][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 972.931231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.931231][ T10] netlink_rcv_skb+0x130/0x360 [ 972.931231][ T10] netlink_unicast+0x449/0x710 [ 972.931231][ T10] netlink_sendmsg+0x723/0xbe0 [ 972.931231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 972.931231][ T10] ___sys_sendmsg+0xee/0x170 [ 972.931231][ T10] __sys_sendmsg+0xcd/0x170 [ 972.931231][ T10] do_syscall_64+0xc6/0x1e0 [ 972.931231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.931231][ T10] [ 972.934465][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 972.934465][ T10] netdev_get_by_index+0x5e/0x80 [ 972.934465][ T10] fib6_nh_init+0x3d8/0x1580 [ 972.934465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 972.934465][ T10] addrconf_f6i_alloc+0x315/0x560 [ 972.934465][ T10] ipv6_add_addr+0x411/0x2000 [ 972.934465][ T10] inet6_addr_add+0x30e/0xa40 [ 972.934465][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 972.934465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.934465][ T10] netlink_rcv_skb+0x130/0x360 [ 972.934465][ T10] netlink_unicast+0x449/0x710 [ 972.934465][ T10] netlink_sendmsg+0x723/0xbe0 [ 972.934465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 972.934465][ T10] ___sys_sendmsg+0xee/0x170 [ 972.934465][ T10] __sys_sendmsg+0xcd/0x170 [ 972.934465][ T10] do_syscall_64+0xc6/0x1e0 [ 972.934465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.934465][ T10] [ 972.937658][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 972.937658][ T10] netdev_get_by_index+0x5e/0x80 [ 972.937658][ T10] fib6_nh_init+0x3d8/0x1580 [ 972.937658][ T10] ip6_route_info_create+0xf18/0x17d0 [ 972.937658][ T10] ip6_route_add+0x1c/0x140 [ 972.937658][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 972.937658][ T10] addrconf_add_dev+0xe2/0x170 [ 972.937658][ T10] inet6_addr_add+0x12f/0xa40 [ 972.937658][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 972.937658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.937658][ T10] netlink_rcv_skb+0x130/0x360 [ 972.937658][ T10] netlink_unicast+0x449/0x710 [ 972.937658][ T10] netlink_sendmsg+0x723/0xbe0 [ 972.937658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 972.937658][ T10] ___sys_sendmsg+0xee/0x170 [ 972.937658][ T10] __sys_sendmsg+0xcd/0x170 [ 972.937658][ T10] do_syscall_64+0xc6/0x1e0 [ 972.937658][ T10] [ 972.940853][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 972.940853][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 972.940853][ T10] ipv6_find_idev+0x102/0x170 [ 972.940853][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 972.940853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.940853][ T10] netlink_rcv_skb+0x130/0x360 [ 972.940853][ T10] netlink_unicast+0x449/0x710 [ 972.940853][ T10] netlink_sendmsg+0x723/0xbe0 [ 972.940853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 972.940853][ T10] ___sys_sendmsg+0xee/0x170 [ 972.940853][ T10] __sys_sendmsg+0xcd/0x170 [ 972.940853][ T10] do_syscall_64+0xc6/0x1e0 [ 972.940853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.940853][ T10] [ 972.943414][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 972.943414][ T10] neigh_parms_alloc+0x1e5/0x510 [ 972.943414][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 972.943414][ T10] ipv6_find_idev+0x102/0x170 [ 972.943414][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 972.943414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.943414][ T10] netlink_rcv_skb+0x130/0x360 [ 972.943414][ T10] netlink_unicast+0x449/0x710 [ 972.943414][ T10] netlink_sendmsg+0x723/0xbe0 [ 972.943414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 972.943414][ T10] ___sys_sendmsg+0xee/0x170 [ 972.943414][ T10] __sys_sendmsg+0xcd/0x170 [ 972.943414][ T10] do_syscall_64+0xc6/0x1e0 [ 972.943414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.943414][ T10] [ 981.921205][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 981.921695][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 981.921695][ T1167] dst_init+0x84/0x4a0 [ 981.921695][ T1167] dst_alloc+0x97/0x150 [ 981.921695][ T1167] ip6_dst_alloc+0x23/0x90 [ 981.921695][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 981.921695][ T1167] ip6_pol_route+0x56f/0x840 [ 981.921695][ T1167] fib6_rule_lookup+0x334/0x630 [ 981.921695][ T1167] ip6_route_output_flags+0x259/0x480 [ 981.921695][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 981.921695][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 981.921695][ T1167] netlink_rcv_skb+0x130/0x360 [ 981.921695][ T1167] netlink_unicast+0x449/0x710 [ 981.921695][ T1167] netlink_sendmsg+0x723/0xbe0 [ 981.921695][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 981.921695][ T1167] ___sys_sendmsg+0xee/0x170 [ 981.921695][ T1167] __sys_sendmsg+0xcd/0x170 [ 981.921695][ T1167] do_syscall_64+0xc6/0x1e0 [ 981.921695][ T1167] [ 981.923932][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 981.923932][ T1167] netdev_get_by_index+0x5e/0x80 [ 981.923932][ T1167] fib6_nh_init+0x3d8/0x1580 [ 981.923932][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 981.923932][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 981.923932][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 981.923932][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 981.923932][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 981.923932][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 981.923932][ T1167] addrconf_dad_begin+0x310/0x670 [ 981.923932][ T1167] addrconf_dad_work+0x10b/0xab0 [ 981.923932][ T1167] process_one_work+0x84d/0x18a0 [ 981.923932][ T1167] worker_thread+0x587/0xd30 [ 981.923932][ T1167] kthread+0x28a/0x350 [ 981.923932][ T1167] ret_from_fork+0x31/0x70 [ 981.923932][ T1167] ret_from_fork_asm+0x1a/0x30 [ 981.923932][ T1167] [ 981.926103][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 981.926103][ T1167] netdev_get_by_index+0x5e/0x80 [ 981.926103][ T1167] fib6_nh_init+0x3d8/0x1580 [ 981.926103][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 981.926103][ T1167] ip6_route_add+0x1c/0x140 [ 981.926103][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 981.926103][ T1167] inet6_addr_add+0x4f8/0xa40 [ 981.926103][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 981.926103][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.926103][ T1167] netlink_rcv_skb+0x130/0x360 [ 981.926103][ T1167] netlink_unicast+0x449/0x710 [ 981.926103][ T1167] netlink_sendmsg+0x723/0xbe0 [ 981.926103][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 981.926103][ T1167] ___sys_sendmsg+0xee/0x170 [ 981.926103][ T1167] __sys_sendmsg+0xcd/0x170 [ 981.926103][ T1167] do_syscall_64+0xc6/0x1e0 [ 981.926103][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.926103][ T1167] [ 981.928939][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 981.928939][ T1167] netdev_get_by_index+0x5e/0x80 [ 981.928939][ T1167] fib6_nh_init+0x3d8/0x1580 [ 981.928939][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 981.928939][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 981.928939][ T1167] ipv6_add_addr+0x411/0x2000 [ 981.928939][ T1167] inet6_addr_add+0x30e/0xa40 [ 981.928939][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 981.928939][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.928939][ T1167] netlink_rcv_skb+0x130/0x360 [ 981.928939][ T1167] netlink_unicast+0x449/0x710 [ 981.928939][ T1167] netlink_sendmsg+0x723/0xbe0 [ 981.928939][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 981.928939][ T1167] ___sys_sendmsg+0xee/0x170 [ 981.928939][ T1167] __sys_sendmsg+0xcd/0x170 [ 981.928939][ T1167] do_syscall_64+0xc6/0x1e0 [ 981.928939][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.928939][ T1167] [ 981.931202][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 981.931202][ T1167] netdev_get_by_index+0x5e/0x80 [ 981.931202][ T1167] fib6_nh_init+0x3d8/0x1580 [ 981.931202][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 981.931202][ T1167] ip6_route_add+0x1c/0x140 [ 981.931202][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 981.931202][ T1167] addrconf_add_dev+0xe2/0x170 [ 981.931202][ T1167] inet6_addr_add+0x12f/0xa40 [ 981.931202][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 981.931202][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.931202][ T1167] netlink_rcv_skb+0x130/0x360 [ 981.931202][ T1167] netlink_unicast+0x449/0x710 [ 981.931202][ T1167] netlink_sendmsg+0x723/0xbe0 [ 981.931202][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 981.931202][ T1167] ___sys_sendmsg+0xee/0x170 [ 981.931202][ T1167] __sys_sendmsg+0xcd/0x170 [ 981.931202][ T1167] do_syscall_64+0xc6/0x1e0 [ 981.931202][ T1167] [ 981.933419][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 981.933419][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 981.933419][ T1167] ipv6_find_idev+0x102/0x170 [ 981.933419][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 981.933419][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.933419][ T1167] netlink_rcv_skb+0x130/0x360 [ 981.933419][ T1167] netlink_unicast+0x449/0x710 [ 981.933419][ T1167] netlink_sendmsg+0x723/0xbe0 [ 981.933419][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 981.933419][ T1167] ___sys_sendmsg+0xee/0x170 [ 981.933419][ T1167] __sys_sendmsg+0xcd/0x170 [ 981.933419][ T1167] do_syscall_64+0xc6/0x1e0 [ 981.933419][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.933419][ T1167] [ 981.935174][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 981.935174][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 981.935174][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 981.935174][ T1167] ipv6_find_idev+0x102/0x170 [ 981.935174][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 981.935174][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 981.935174][ T1167] netlink_rcv_skb+0x130/0x360 [ 981.935174][ T1167] netlink_unicast+0x449/0x710 [ 981.935174][ T1167] netlink_sendmsg+0x723/0xbe0 [ 981.935174][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 981.935174][ T1167] ___sys_sendmsg+0xee/0x170 [ 981.935174][ T1167] __sys_sendmsg+0xcd/0x170 [ 981.935174][ T1167] do_syscall_64+0xc6/0x1e0 [ 981.935174][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 981.935174][ T1167] [ 983.201110][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 983.201662][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 983.201662][ T10] netdev_get_by_index+0x5e/0x80 [ 983.201662][ T10] fib6_nh_init+0x3d8/0x1580 [ 983.201662][ T10] ip6_route_info_create+0xf18/0x17d0 [ 983.201662][ T10] addrconf_f6i_alloc+0x265/0x560 [ 983.201662][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 983.201662][ T10] addrconf_join_anycast+0x1c0/0x220 [ 983.201662][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 983.201662][ T10] addrconf_dad_completed+0x12b/0xe20 [ 983.201662][ T10] addrconf_dad_begin+0x310/0x670 [ 983.201662][ T10] addrconf_dad_work+0x10b/0xab0 [ 983.201662][ T10] process_one_work+0x84d/0x18a0 [ 983.201662][ T10] worker_thread+0x587/0xd30 [ 983.201662][ T10] kthread+0x28a/0x350 [ 983.201662][ T10] ret_from_fork+0x31/0x70 [ 983.201662][ T10] ret_from_fork_asm+0x1a/0x30 [ 983.201662][ T10] [ 983.204896][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 983.204896][ T10] netdev_get_by_index+0x5e/0x80 [ 983.204896][ T10] fib6_nh_init+0x3d8/0x1580 [ 983.204896][ T10] ip6_route_info_create+0xf18/0x17d0 [ 983.204896][ T10] ip6_route_add+0x1c/0x140 [ 983.204896][ T10] addrconf_prefix_route+0x2a6/0x430 [ 983.204896][ T10] inet6_addr_add+0x4f8/0xa40 [ 983.204896][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 983.204896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.204896][ T10] netlink_rcv_skb+0x130/0x360 [ 983.204896][ T10] netlink_unicast+0x449/0x710 [ 983.204896][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.204896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.204896][ T10] ___sys_sendmsg+0xee/0x170 [ 983.204896][ T10] __sys_sendmsg+0xcd/0x170 [ 983.204896][ T10] do_syscall_64+0xc6/0x1e0 [ 983.204896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.204896][ T10] [ 983.208202][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 983.208202][ T10] netdev_get_by_index+0x5e/0x80 [ 983.208202][ T10] fib6_nh_init+0x3d8/0x1580 [ 983.208202][ T10] ip6_route_info_create+0xf18/0x17d0 [ 983.208202][ T10] addrconf_f6i_alloc+0x315/0x560 [ 983.208202][ T10] ipv6_add_addr+0x411/0x2000 [ 983.208202][ T10] inet6_addr_add+0x30e/0xa40 [ 983.208202][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 983.208202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.208202][ T10] netlink_rcv_skb+0x130/0x360 [ 983.208202][ T10] netlink_unicast+0x449/0x710 [ 983.208202][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.208202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.208202][ T10] ___sys_sendmsg+0xee/0x170 [ 983.208202][ T10] __sys_sendmsg+0xcd/0x170 [ 983.208202][ T10] do_syscall_64+0xc6/0x1e0 [ 983.208202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.208202][ T10] [ 983.211558][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 983.211558][ T10] netdev_get_by_index+0x5e/0x80 [ 983.211558][ T10] fib6_nh_init+0x3d8/0x1580 [ 983.211558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 983.211558][ T10] ip6_route_add+0x1c/0x140 [ 983.211558][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 983.211558][ T10] addrconf_add_dev+0xe2/0x170 [ 983.211558][ T10] inet6_addr_add+0x12f/0xa40 [ 983.211558][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 983.211558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.211558][ T10] netlink_rcv_skb+0x130/0x360 [ 983.211558][ T10] netlink_unicast+0x449/0x710 [ 983.211558][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.211558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.211558][ T10] ___sys_sendmsg+0xee/0x170 [ 983.211558][ T10] __sys_sendmsg+0xcd/0x170 [ 983.211558][ T10] do_syscall_64+0xc6/0x1e0 [ 983.211558][ T10] [ 983.214896][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 983.214896][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 983.214896][ T10] ipv6_find_idev+0x102/0x170 [ 983.214896][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 983.214896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.214896][ T10] netlink_rcv_skb+0x130/0x360 [ 983.214896][ T10] netlink_unicast+0x449/0x710 [ 983.214896][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.214896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.214896][ T10] ___sys_sendmsg+0xee/0x170 [ 983.214896][ T10] __sys_sendmsg+0xcd/0x170 [ 983.214896][ T10] do_syscall_64+0xc6/0x1e0 [ 983.214896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.214896][ T10] [ 983.217486][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 983.217486][ T10] neigh_parms_alloc+0x1e5/0x510 [ 983.217486][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 983.217486][ T10] ipv6_find_idev+0x102/0x170 [ 983.217486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 983.217486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.217486][ T10] netlink_rcv_skb+0x130/0x360 [ 983.217486][ T10] netlink_unicast+0x449/0x710 [ 983.217486][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.217486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.217486][ T10] ___sys_sendmsg+0xee/0x170 [ 983.217486][ T10] __sys_sendmsg+0xcd/0x170 [ 983.217486][ T10] do_syscall_64+0xc6/0x1e0 [ 983.217486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.217486][ T10] [ 983.220339][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 983.220753][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 983.220753][ T10] netdev_get_by_index+0x5e/0x80 [ 983.220753][ T10] fib6_nh_init+0x3d8/0x1580 [ 983.220753][ T10] ip6_route_info_create+0xf18/0x17d0 [ 983.220753][ T10] addrconf_f6i_alloc+0x265/0x560 [ 983.220753][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 983.220753][ T10] addrconf_join_anycast+0x1c0/0x220 [ 983.220753][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 983.220753][ T10] addrconf_dad_completed+0x12b/0xe20 [ 983.220753][ T10] addrconf_dad_begin+0x310/0x670 [ 983.220753][ T10] addrconf_dad_work+0x10b/0xab0 [ 983.220753][ T10] process_one_work+0x84d/0x18a0 [ 983.220753][ T10] worker_thread+0x587/0xd30 [ 983.220753][ T10] kthread+0x28a/0x350 [ 983.220753][ T10] ret_from_fork+0x31/0x70 [ 983.220753][ T10] ret_from_fork_asm+0x1a/0x30 [ 983.220753][ T10] [ 983.223979][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 983.223979][ T10] netdev_get_by_index+0x5e/0x80 [ 983.223979][ T10] fib6_nh_init+0x3d8/0x1580 [ 983.223979][ T10] ip6_route_info_create+0xf18/0x17d0 [ 983.223979][ T10] ip6_route_add+0x1c/0x140 [ 983.223979][ T10] addrconf_prefix_route+0x2a6/0x430 [ 983.223979][ T10] inet6_addr_add+0x4f8/0xa40 [ 983.223979][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 983.223979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.223979][ T10] netlink_rcv_skb+0x130/0x360 [ 983.223979][ T10] netlink_unicast+0x449/0x710 [ 983.223979][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.223979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.223979][ T10] ___sys_sendmsg+0xee/0x170 [ 983.223979][ T10] __sys_sendmsg+0xcd/0x170 [ 983.223979][ T10] do_syscall_64+0xc6/0x1e0 [ 983.223979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.223979][ T10] [ 983.227313][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 983.227313][ T10] netdev_get_by_index+0x5e/0x80 [ 983.227313][ T10] fib6_nh_init+0x3d8/0x1580 [ 983.227313][ T10] ip6_route_info_create+0xf18/0x17d0 [ 983.227313][ T10] addrconf_f6i_alloc+0x315/0x560 [ 983.227313][ T10] ipv6_add_addr+0x411/0x2000 [ 983.227313][ T10] inet6_addr_add+0x30e/0xa40 [ 983.227313][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 983.227313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.227313][ T10] netlink_rcv_skb+0x130/0x360 [ 983.227313][ T10] netlink_unicast+0x449/0x710 [ 983.227313][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.227313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.227313][ T10] ___sys_sendmsg+0xee/0x170 [ 983.227313][ T10] __sys_sendmsg+0xcd/0x170 [ 983.227313][ T10] do_syscall_64+0xc6/0x1e0 [ 983.227313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.227313][ T10] [ 983.230629][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 983.230629][ T10] netdev_get_by_index+0x5e/0x80 [ 983.230629][ T10] fib6_nh_init+0x3d8/0x1580 [ 983.230629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 983.230629][ T10] ip6_route_add+0x1c/0x140 [ 983.230629][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 983.230629][ T10] addrconf_add_dev+0xe2/0x170 [ 983.230629][ T10] inet6_addr_add+0x12f/0xa40 [ 983.230629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 983.230629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.230629][ T10] netlink_rcv_skb+0x130/0x360 [ 983.230629][ T10] netlink_unicast+0x449/0x710 [ 983.230629][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.230629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.230629][ T10] ___sys_sendmsg+0xee/0x170 [ 983.230629][ T10] __sys_sendmsg+0xcd/0x170 [ 983.230629][ T10] do_syscall_64+0xc6/0x1e0 [ 983.230629][ T10] [ 983.233936][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 983.233936][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 983.233936][ T10] ipv6_find_idev+0x102/0x170 [ 983.233936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 983.233936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.233936][ T10] netlink_rcv_skb+0x130/0x360 [ 983.233936][ T10] netlink_unicast+0x449/0x710 [ 983.233936][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.233936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.233936][ T10] ___sys_sendmsg+0xee/0x170 [ 983.233936][ T10] __sys_sendmsg+0xcd/0x170 [ 983.233936][ T10] do_syscall_64+0xc6/0x1e0 [ 983.233936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.233936][ T10] [ 983.236518][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 983.236518][ T10] neigh_parms_alloc+0x1e5/0x510 [ 983.236518][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 983.236518][ T10] ipv6_find_idev+0x102/0x170 [ 983.236518][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 983.236518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.236518][ T10] netlink_rcv_skb+0x130/0x360 [ 983.236518][ T10] netlink_unicast+0x449/0x710 [ 983.236518][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.236518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.236518][ T10] ___sys_sendmsg+0xee/0x170 [ 983.236518][ T10] __sys_sendmsg+0xcd/0x170 [ 983.236518][ T10] do_syscall_64+0xc6/0x1e0 [ 983.236518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.236518][ T10] [ 983.239379][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 983.239793][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 983.239793][ T10] netdev_get_by_index+0x5e/0x80 [ 983.239793][ T10] fib6_nh_init+0x3d8/0x1580 [ 983.239793][ T10] ip6_route_info_create+0xf18/0x17d0 [ 983.239793][ T10] addrconf_f6i_alloc+0x265/0x560 [ 983.239793][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 983.239793][ T10] addrconf_join_anycast+0x1c0/0x220 [ 983.239793][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 983.239793][ T10] addrconf_dad_completed+0x12b/0xe20 [ 983.239793][ T10] addrconf_dad_begin+0x310/0x670 [ 983.239793][ T10] addrconf_dad_work+0x10b/0xab0 [ 983.239793][ T10] process_one_work+0x84d/0x18a0 [ 983.239793][ T10] worker_thread+0x587/0xd30 [ 983.239793][ T10] kthread+0x28a/0x350 [ 983.239793][ T10] ret_from_fork+0x31/0x70 [ 983.239793][ T10] ret_from_fork_asm+0x1a/0x30 [ 983.239793][ T10] [ 983.242992][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 983.242992][ T10] netdev_get_by_index+0x5e/0x80 [ 983.242992][ T10] fib6_nh_init+0x3d8/0x1580 [ 983.242992][ T10] ip6_route_info_create+0xf18/0x17d0 [ 983.242992][ T10] ip6_route_add+0x1c/0x140 [ 983.242992][ T10] addrconf_prefix_route+0x2a6/0x430 [ 983.242992][ T10] inet6_addr_add+0x4f8/0xa40 [ 983.242992][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 983.242992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.242992][ T10] netlink_rcv_skb+0x130/0x360 [ 983.242992][ T10] netlink_unicast+0x449/0x710 [ 983.242992][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.242992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.242992][ T10] ___sys_sendmsg+0xee/0x170 [ 983.242992][ T10] __sys_sendmsg+0xcd/0x170 [ 983.242992][ T10] do_syscall_64+0xc6/0x1e0 [ 983.242992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.242992][ T10] [ 983.246558][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 983.246558][ T10] netdev_get_by_index+0x5e/0x80 [ 983.246558][ T10] fib6_nh_init+0x3d8/0x1580 [ 983.246558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 983.246558][ T10] addrconf_f6i_alloc+0x315/0x560 [ 983.246558][ T10] ipv6_add_addr+0x411/0x2000 [ 983.246558][ T10] inet6_addr_add+0x30e/0xa40 [ 983.246558][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 983.246558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.246558][ T10] netlink_rcv_skb+0x130/0x360 [ 983.246558][ T10] netlink_unicast+0x449/0x710 [ 983.246558][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.246558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.246558][ T10] ___sys_sendmsg+0xee/0x170 [ 983.246558][ T10] __sys_sendmsg+0xcd/0x170 [ 983.246558][ T10] do_syscall_64+0xc6/0x1e0 [ 983.246558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.246558][ T10] [ 983.250226][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 983.250226][ T10] netdev_get_by_index+0x5e/0x80 [ 983.250226][ T10] fib6_nh_init+0x3d8/0x1580 [ 983.250226][ T10] ip6_route_info_create+0xf18/0x17d0 [ 983.250226][ T10] ip6_route_add+0x1c/0x140 [ 983.250226][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 983.250226][ T10] addrconf_add_dev+0xe2/0x170 [ 983.250226][ T10] inet6_addr_add+0x12f/0xa40 [ 983.250226][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 983.250226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.250226][ T10] netlink_rcv_skb+0x130/0x360 [ 983.250226][ T10] netlink_unicast+0x449/0x710 [ 983.250226][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.250226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.250226][ T10] ___sys_sendmsg+0xee/0x170 [ 983.250226][ T10] __sys_sendmsg+0xcd/0x170 [ 983.250226][ T10] do_syscall_64+0xc6/0x1e0 [ 983.250226][ T10] [ 983.253883][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 983.253883][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 983.253883][ T10] ipv6_find_idev+0x102/0x170 [ 983.253883][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 983.253883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.253883][ T10] netlink_rcv_skb+0x130/0x360 [ 983.253883][ T10] netlink_unicast+0x449/0x710 [ 983.253883][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.253883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.253883][ T10] ___sys_sendmsg+0xee/0x170 [ 983.253883][ T10] __sys_sendmsg+0xcd/0x170 [ 983.253883][ T10] do_syscall_64+0xc6/0x1e0 [ 983.253883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.253883][ T10] [ 983.256824][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 983.256824][ T10] neigh_parms_alloc+0x1e5/0x510 [ 983.256824][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 983.256824][ T10] ipv6_find_idev+0x102/0x170 [ 983.256824][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 983.256824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.256824][ T10] netlink_rcv_skb+0x130/0x360 [ 983.256824][ T10] netlink_unicast+0x449/0x710 [ 983.256824][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.256824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.256824][ T10] ___sys_sendmsg+0xee/0x170 [ 983.256824][ T10] __sys_sendmsg+0xcd/0x170 [ 983.256824][ T10] do_syscall_64+0xc6/0x1e0 [ 983.256824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.256824][ T10] [ 983.260112][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 983.260514][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 983.260514][ T10] netdev_get_by_index+0x5e/0x80 [ 983.260514][ T10] fib6_nh_init+0x3d8/0x1580 [ 983.260514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 983.260514][ T10] addrconf_f6i_alloc+0x265/0x560 [ 983.260514][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 983.260514][ T10] addrconf_join_anycast+0x1c0/0x220 [ 983.260514][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 983.260514][ T10] addrconf_dad_completed+0x12b/0xe20 [ 983.260514][ T10] addrconf_dad_begin+0x310/0x670 [ 983.260514][ T10] addrconf_dad_work+0x10b/0xab0 [ 983.260514][ T10] process_one_work+0x84d/0x18a0 [ 983.260514][ T10] worker_thread+0x587/0xd30 [ 983.260514][ T10] kthread+0x28a/0x350 [ 983.260514][ T10] ret_from_fork+0x31/0x70 [ 983.260514][ T10] ret_from_fork_asm+0x1a/0x30 [ 983.260514][ T10] [ 983.264149][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 983.264149][ T10] netdev_get_by_index+0x5e/0x80 [ 983.264149][ T10] fib6_nh_init+0x3d8/0x1580 [ 983.264149][ T10] ip6_route_info_create+0xf18/0x17d0 [ 983.264149][ T10] ip6_route_add+0x1c/0x140 [ 983.264149][ T10] addrconf_prefix_route+0x2a6/0x430 [ 983.264149][ T10] inet6_addr_add+0x4f8/0xa40 [ 983.264149][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 983.264149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.264149][ T10] netlink_rcv_skb+0x130/0x360 [ 983.264149][ T10] netlink_unicast+0x449/0x710 [ 983.264149][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.264149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.264149][ T10] ___sys_sendmsg+0xee/0x170 [ 983.264149][ T10] __sys_sendmsg+0xcd/0x170 [ 983.264149][ T10] do_syscall_64+0xc6/0x1e0 [ 983.264149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.264149][ T10] [ 983.267666][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 983.267666][ T10] netdev_get_by_index+0x5e/0x80 [ 983.267666][ T10] fib6_nh_init+0x3d8/0x1580 [ 983.267666][ T10] ip6_route_info_create+0xf18/0x17d0 [ 983.267666][ T10] addrconf_f6i_alloc+0x315/0x560 [ 983.267666][ T10] ipv6_add_addr+0x411/0x2000 [ 983.267666][ T10] inet6_addr_add+0x30e/0xa40 [ 983.267666][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 983.267666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.267666][ T10] netlink_rcv_skb+0x130/0x360 [ 983.267666][ T10] netlink_unicast+0x449/0x710 [ 983.267666][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.267666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.267666][ T10] ___sys_sendmsg+0xee/0x170 [ 983.267666][ T10] __sys_sendmsg+0xcd/0x170 [ 983.267666][ T10] do_syscall_64+0xc6/0x1e0 [ 983.267666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.267666][ T10] [ 983.271327][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 983.271327][ T10] netdev_get_by_index+0x5e/0x80 [ 983.271327][ T10] fib6_nh_init+0x3d8/0x1580 [ 983.271327][ T10] ip6_route_info_create+0xf18/0x17d0 [ 983.271327][ T10] ip6_route_add+0x1c/0x140 [ 983.271327][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 983.271327][ T10] addrconf_add_dev+0xe2/0x170 [ 983.271327][ T10] inet6_addr_add+0x12f/0xa40 [ 983.271327][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 983.271327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.271327][ T10] netlink_rcv_skb+0x130/0x360 [ 983.271327][ T10] netlink_unicast+0x449/0x710 [ 983.271327][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.271327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.271327][ T10] ___sys_sendmsg+0xee/0x170 [ 983.271327][ T10] __sys_sendmsg+0xcd/0x170 [ 983.271327][ T10] do_syscall_64+0xc6/0x1e0 [ 983.271327][ T10] [ 983.274531][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 983.274531][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 983.274531][ T10] ipv6_find_idev+0x102/0x170 [ 983.274531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 983.274531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.274531][ T10] netlink_rcv_skb+0x130/0x360 [ 983.274531][ T10] netlink_unicast+0x449/0x710 [ 983.274531][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.274531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.274531][ T10] ___sys_sendmsg+0xee/0x170 [ 983.274531][ T10] __sys_sendmsg+0xcd/0x170 [ 983.274531][ T10] do_syscall_64+0xc6/0x1e0 [ 983.274531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.274531][ T10] [ 983.277021][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 983.277021][ T10] neigh_parms_alloc+0x1e5/0x510 [ 983.277021][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 983.277021][ T10] ipv6_find_idev+0x102/0x170 [ 983.277021][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 983.277021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.277021][ T10] netlink_rcv_skb+0x130/0x360 [ 983.277021][ T10] netlink_unicast+0x449/0x710 [ 983.277021][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.277021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.277021][ T10] ___sys_sendmsg+0xee/0x170 [ 983.277021][ T10] __sys_sendmsg+0xcd/0x170 [ 983.277021][ T10] do_syscall_64+0xc6/0x1e0 [ 983.277021][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.277021][ T10] [ 992.041131][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 992.041701][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 992.041701][ T1167] dst_init+0x84/0x4a0 [ 992.041701][ T1167] dst_alloc+0x97/0x150 [ 992.041701][ T1167] ip6_dst_alloc+0x23/0x90 [ 992.041701][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 992.041701][ T1167] ip6_pol_route+0x56f/0x840 [ 992.041701][ T1167] fib6_rule_lookup+0x334/0x630 [ 992.041701][ T1167] ip6_route_output_flags+0x259/0x480 [ 992.041701][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 992.041701][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 992.041701][ T1167] netlink_rcv_skb+0x130/0x360 [ 992.041701][ T1167] netlink_unicast+0x449/0x710 [ 992.041701][ T1167] netlink_sendmsg+0x723/0xbe0 [ 992.041701][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 992.041701][ T1167] ___sys_sendmsg+0xee/0x170 [ 992.041701][ T1167] __sys_sendmsg+0xcd/0x170 [ 992.041701][ T1167] do_syscall_64+0xc6/0x1e0 [ 992.041701][ T1167] [ 992.043954][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 992.043954][ T1167] netdev_get_by_index+0x5e/0x80 [ 992.043954][ T1167] fib6_nh_init+0x3d8/0x1580 [ 992.043954][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 992.043954][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 992.043954][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 992.043954][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 992.043954][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 992.043954][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 992.043954][ T1167] addrconf_dad_begin+0x310/0x670 [ 992.043954][ T1167] addrconf_dad_work+0x10b/0xab0 [ 992.043954][ T1167] process_one_work+0x84d/0x18a0 [ 992.043954][ T1167] worker_thread+0x587/0xd30 [ 992.043954][ T1167] kthread+0x28a/0x350 [ 992.043954][ T1167] ret_from_fork+0x31/0x70 [ 992.043954][ T1167] ret_from_fork_asm+0x1a/0x30 [ 992.043954][ T1167] [ 992.046129][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 992.046129][ T1167] netdev_get_by_index+0x5e/0x80 [ 992.046129][ T1167] fib6_nh_init+0x3d8/0x1580 [ 992.046129][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 992.046129][ T1167] ip6_route_add+0x1c/0x140 [ 992.046129][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 992.046129][ T1167] inet6_addr_add+0x4f8/0xa40 [ 992.046129][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 992.046129][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 992.046129][ T1167] netlink_rcv_skb+0x130/0x360 [ 992.046129][ T1167] netlink_unicast+0x449/0x710 [ 992.046129][ T1167] netlink_sendmsg+0x723/0xbe0 [ 992.046129][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 992.046129][ T1167] ___sys_sendmsg+0xee/0x170 [ 992.046129][ T1167] __sys_sendmsg+0xcd/0x170 [ 992.046129][ T1167] do_syscall_64+0xc6/0x1e0 [ 992.046129][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 992.046129][ T1167] [ 992.048397][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 992.048397][ T1167] netdev_get_by_index+0x5e/0x80 [ 992.048397][ T1167] fib6_nh_init+0x3d8/0x1580 [ 992.048397][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 992.048397][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 992.048397][ T1167] ipv6_add_addr+0x411/0x2000 [ 992.048397][ T1167] inet6_addr_add+0x30e/0xa40 [ 992.048397][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 992.048397][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 992.048397][ T1167] netlink_rcv_skb+0x130/0x360 [ 992.048397][ T1167] netlink_unicast+0x449/0x710 [ 992.048397][ T1167] netlink_sendmsg+0x723/0xbe0 [ 992.048397][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 992.048397][ T1167] ___sys_sendmsg+0xee/0x170 [ 992.048397][ T1167] __sys_sendmsg+0xcd/0x170 [ 992.048397][ T1167] do_syscall_64+0xc6/0x1e0 [ 992.048397][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 992.048397][ T1167] [ 992.050670][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 992.050670][ T1167] netdev_get_by_index+0x5e/0x80 [ 992.050670][ T1167] fib6_nh_init+0x3d8/0x1580 [ 992.050670][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 992.050670][ T1167] ip6_route_add+0x1c/0x140 [ 992.050670][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 992.050670][ T1167] addrconf_add_dev+0xe2/0x170 [ 992.050670][ T1167] inet6_addr_add+0x12f/0xa40 [ 992.050670][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 992.050670][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 992.050670][ T1167] netlink_rcv_skb+0x130/0x360 [ 992.050670][ T1167] netlink_unicast+0x449/0x710 [ 992.050670][ T1167] netlink_sendmsg+0x723/0xbe0 [ 992.050670][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 992.050670][ T1167] ___sys_sendmsg+0xee/0x170 [ 992.050670][ T1167] __sys_sendmsg+0xcd/0x170 [ 992.050670][ T1167] do_syscall_64+0xc6/0x1e0 [ 992.050670][ T1167] [ 992.052891][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 992.052891][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 992.052891][ T1167] ipv6_find_idev+0x102/0x170 [ 992.052891][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 992.052891][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 992.052891][ T1167] netlink_rcv_skb+0x130/0x360 [ 992.052891][ T1167] netlink_unicast+0x449/0x710 [ 992.052891][ T1167] netlink_sendmsg+0x723/0xbe0 [ 992.052891][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 992.052891][ T1167] ___sys_sendmsg+0xee/0x170 [ 992.052891][ T1167] __sys_sendmsg+0xcd/0x170 [ 992.052891][ T1167] do_syscall_64+0xc6/0x1e0 [ 992.052891][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 992.052891][ T1167] [ 992.054637][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 992.054637][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 992.054637][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 992.054637][ T1167] ipv6_find_idev+0x102/0x170 [ 992.054637][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 992.054637][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 992.054637][ T1167] netlink_rcv_skb+0x130/0x360 [ 992.054637][ T1167] netlink_unicast+0x449/0x710 [ 992.054637][ T1167] netlink_sendmsg+0x723/0xbe0 [ 992.054637][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 992.054637][ T1167] ___sys_sendmsg+0xee/0x170 [ 992.054637][ T1167] __sys_sendmsg+0xcd/0x170 [ 992.054637][ T1167] do_syscall_64+0xc6/0x1e0 [ 992.054637][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 992.054637][ T1167] [ 993.321166][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 993.321733][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 993.321733][ T10] netdev_get_by_index+0x5e/0x80 [ 993.321733][ T10] fib6_nh_init+0x3d8/0x1580 [ 993.321733][ T10] ip6_route_info_create+0xf18/0x17d0 [ 993.321733][ T10] addrconf_f6i_alloc+0x265/0x560 [ 993.321733][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 993.321733][ T10] addrconf_join_anycast+0x1c0/0x220 [ 993.321733][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 993.321733][ T10] addrconf_dad_completed+0x12b/0xe20 [ 993.321733][ T10] addrconf_dad_begin+0x310/0x670 [ 993.321733][ T10] addrconf_dad_work+0x10b/0xab0 [ 993.321733][ T10] process_one_work+0x84d/0x18a0 [ 993.321733][ T10] worker_thread+0x587/0xd30 [ 993.321733][ T10] kthread+0x28a/0x350 [ 993.321733][ T10] ret_from_fork+0x31/0x70 [ 993.321733][ T10] ret_from_fork_asm+0x1a/0x30 [ 993.321733][ T10] [ 993.324594][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 993.324594][ T10] netdev_get_by_index+0x5e/0x80 [ 993.324594][ T10] fib6_nh_init+0x3d8/0x1580 [ 993.324594][ T10] ip6_route_info_create+0xf18/0x17d0 [ 993.324594][ T10] ip6_route_add+0x1c/0x140 [ 993.324594][ T10] addrconf_prefix_route+0x2a6/0x430 [ 993.324594][ T10] inet6_addr_add+0x4f8/0xa40 [ 993.324594][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 993.324594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 993.324594][ T10] netlink_rcv_skb+0x130/0x360 [ 993.324594][ T10] netlink_unicast+0x449/0x710 [ 993.324594][ T10] netlink_sendmsg+0x723/0xbe0 [ 993.324594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 993.324594][ T10] ___sys_sendmsg+0xee/0x170 [ 993.324594][ T10] __sys_sendmsg+0xcd/0x170 [ 993.324594][ T10] do_syscall_64+0xc6/0x1e0 [ 993.324594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 993.324594][ T10] [ 993.327537][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 993.327537][ T10] netdev_get_by_index+0x5e/0x80 [ 993.327537][ T10] fib6_nh_init+0x3d8/0x1580 [ 993.327537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 993.327537][ T10] addrconf_f6i_alloc+0x315/0x560 [ 993.327537][ T10] ipv6_add_addr+0x411/0x2000 [ 993.327537][ T10] inet6_addr_add+0x30e/0xa40 [ 993.327537][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 993.327537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 993.327537][ T10] netlink_rcv_skb+0x130/0x360 [ 993.327537][ T10] netlink_unicast+0x449/0x710 [ 993.327537][ T10] netlink_sendmsg+0x723/0xbe0 [ 993.327537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 993.327537][ T10] ___sys_sendmsg+0xee/0x170 [ 993.327537][ T10] __sys_sendmsg+0xcd/0x170 [ 993.327537][ T10] do_syscall_64+0xc6/0x1e0 [ 993.327537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 993.327537][ T10] [ 993.330380][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 993.330380][ T10] netdev_get_by_index+0x5e/0x80 [ 993.330380][ T10] fib6_nh_init+0x3d8/0x1580 [ 993.330380][ T10] ip6_route_info_create+0xf18/0x17d0 [ 993.330380][ T10] ip6_route_add+0x1c/0x140 [ 993.330380][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 993.330380][ T10] addrconf_add_dev+0xe2/0x170 [ 993.330380][ T10] inet6_addr_add+0x12f/0xa40 [ 993.330380][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 993.330380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 993.330380][ T10] netlink_rcv_skb+0x130/0x360 [ 993.330380][ T10] netlink_unicast+0x449/0x710 [ 993.330380][ T10] netlink_sendmsg+0x723/0xbe0 [ 993.330380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 993.330380][ T10] ___sys_sendmsg+0xee/0x170 [ 993.330380][ T10] __sys_sendmsg+0xcd/0x170 [ 993.330380][ T10] do_syscall_64+0xc6/0x1e0 [ 993.330380][ T10] [ 993.333436][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 993.333436][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 993.333436][ T10] ipv6_find_idev+0x102/0x170 [ 993.333436][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 993.333436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 993.333436][ T10] netlink_rcv_skb+0x130/0x360 [ 993.333436][ T10] netlink_unicast+0x449/0x710 [ 993.333436][ T10] netlink_sendmsg+0x723/0xbe0 [ 993.333436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 993.333436][ T10] ___sys_sendmsg+0xee/0x170 [ 993.333436][ T10] __sys_sendmsg+0xcd/0x170 [ 993.333436][ T10] do_syscall_64+0xc6/0x1e0 [ 993.333436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 993.333436][ T10] [ 993.335871][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 993.335871][ T10] neigh_parms_alloc+0x1e5/0x510 [ 993.335871][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 993.335871][ T10] ipv6_find_idev+0x102/0x170 [ 993.335871][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 993.335871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 993.335871][ T10] netlink_rcv_skb+0x130/0x360 [ 993.335871][ T10] netlink_unicast+0x449/0x710 [ 993.335871][ T10] netlink_sendmsg+0x723/0xbe0 [ 993.335871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 993.335871][ T10] ___sys_sendmsg+0xee/0x170 [ 993.335871][ T10] __sys_sendmsg+0xcd/0x170 [ 993.335871][ T10] do_syscall_64+0xc6/0x1e0 [ 993.335871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 993.335871][ T10] [ 993.338268][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 993.338644][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 993.338644][ T10] netdev_get_by_index+0x5e/0x80 [ 993.338644][ T10] fib6_nh_init+0x3d8/0x1580 [ 993.338644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 993.338644][ T10] addrconf_f6i_alloc+0x265/0x560 [ 993.338644][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 993.338644][ T10] addrconf_join_anycast+0x1c0/0x220 [ 993.338644][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 993.338644][ T10] addrconf_dad_completed+0x12b/0xe20 [ 993.338644][ T10] addrconf_dad_begin+0x310/0x670 [ 993.338644][ T10] addrconf_dad_work+0x10b/0xab0 [ 993.338644][ T10] process_one_work+0x84d/0x18a0 [ 993.338644][ T10] worker_thread+0x587/0xd30 [ 993.338644][ T10] kthread+0x28a/0x350 [ 993.338644][ T10] ret_from_fork+0x31/0x70 [ 993.338644][ T10] ret_from_fork_asm+0x1a/0x30 [ 993.338644][ T10] [ 993.341496][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 993.341496][ T10] netdev_get_by_index+0x5e/0x80 [ 993.341496][ T10] fib6_nh_init+0x3d8/0x1580 [ 993.341496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 993.341496][ T10] ip6_route_add+0x1c/0x140 [ 993.341496][ T10] addrconf_prefix_route+0x2a6/0x430 [ 993.341496][ T10] inet6_addr_add+0x4f8/0xa40 [ 993.341496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 993.341496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 993.341496][ T10] netlink_rcv_skb+0x130/0x360 [ 993.341496][ T10] netlink_unicast+0x449/0x710 [ 993.341496][ T10] netlink_sendmsg+0x723/0xbe0 [ 993.341496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 993.341496][ T10] ___sys_sendmsg+0xee/0x170 [ 993.341496][ T10] __sys_sendmsg+0xcd/0x170 [ 993.341496][ T10] do_syscall_64+0xc6/0x1e0 [ 993.341496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 993.341496][ T10] [ 993.344517][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 993.344517][ T10] netdev_get_by_index+0x5e/0x80 [ 993.344517][ T10] fib6_nh_init+0x3d8/0x1580 [ 993.344517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 993.344517][ T10] addrconf_f6i_alloc+0x315/0x560 [ 993.344517][ T10] ipv6_add_addr+0x411/0x2000 [ 993.344517][ T10] inet6_addr_add+0x30e/0xa40 [ 993.344517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 993.344517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 993.344517][ T10] netlink_rcv_skb+0x130/0x360 [ 993.344517][ T10] netlink_unicast+0x449/0x710 [ 993.344517][ T10] netlink_sendmsg+0x723/0xbe0 [ 993.344517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 993.344517][ T10] ___sys_sendmsg+0xee/0x170 [ 993.344517][ T10] __sys_sendmsg+0xcd/0x170 [ 993.344517][ T10] do_syscall_64+0xc6/0x1e0 [ 993.344517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 993.344517][ T10] [ 993.347603][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 993.347603][ T10] netdev_get_by_index+0x5e/0x80 [ 993.347603][ T10] fib6_nh_init+0x3d8/0x1580 [ 993.347603][ T10] ip6_route_info_create+0xf18/0x17d0 [ 993.347603][ T10] ip6_route_add+0x1c/0x140 [ 993.347603][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 993.347603][ T10] addrconf_add_dev+0xe2/0x170 [ 993.347603][ T10] inet6_addr_add+0x12f/0xa40 [ 993.347603][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 993.347603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 993.347603][ T10] netlink_rcv_skb+0x130/0x360 [ 993.347603][ T10] netlink_unicast+0x449/0x710 [ 993.347603][ T10] netlink_sendmsg+0x723/0xbe0 [ 993.347603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 993.347603][ T10] ___sys_sendmsg+0xee/0x170 [ 993.347603][ T10] __sys_sendmsg+0xcd/0x170 [ 993.347603][ T10] do_syscall_64+0xc6/0x1e0 [ 993.347603][ T10] [ 993.350615][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 993.350615][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 993.350615][ T10] ipv6_find_idev+0x102/0x170 [ 993.350615][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 993.350615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 993.350615][ T10] netlink_rcv_skb+0x130/0x360 [ 993.350615][ T10] netlink_unicast+0x449/0x710 [ 993.350615][ T10] netlink_sendmsg+0x723/0xbe0 [ 993.350615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 993.350615][ T10] ___sys_sendmsg+0xee/0x170 [ 993.350615][ T10] __sys_sendmsg+0xcd/0x170 [ 993.350615][ T10] do_syscall_64+0xc6/0x1e0 [ 993.350615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 993.350615][ T10] [ 993.353031][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 993.353031][ T10] neigh_parms_alloc+0x1e5/0x510 [ 993.353031][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 993.353031][ T10] ipv6_find_idev+0x102/0x170 [ 993.353031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 993.353031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 993.353031][ T10] netlink_rcv_skb+0x130/0x360 [ 993.353031][ T10] netlink_unicast+0x449/0x710 [ 993.353031][ T10] netlink_sendmsg+0x723/0xbe0 [ 993.353031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 993.353031][ T10] ___sys_sendmsg+0xee/0x170 [ 993.353031][ T10] __sys_sendmsg+0xcd/0x170 [ 993.353031][ T10] do_syscall_64+0xc6/0x1e0 [ 993.353031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 993.353031][ T10] [ 993.355320][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 993.355592][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 993.355592][ T10] netdev_get_by_index+0x5e/0x80 [ 993.355592][ T10] fib6_nh_init+0x3d8/0x1580 [ 993.355592][ T10] ip6_route_info_create+0xf18/0x17d0 [ 993.355592][ T10] addrconf_f6i_alloc+0x265/0x560 [ 993.355592][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 993.355592][ T10] addrconf_join_anycast+0x1c0/0x220 [ 993.355592][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 993.355592][ T10] addrconf_dad_completed+0x12b/0xe20 [ 993.355592][ T10] addrconf_dad_begin+0x310/0x670 [ 993.355592][ T10] addrconf_dad_work+0x10b/0xab0 [ 993.355592][ T10] process_one_work+0x84d/0x18a0 [ 993.355592][ T10] worker_thread+0x587/0xd30 [ 993.355592][ T10] kthread+0x28a/0x350 [ 993.355592][ T10] ret_from_fork+0x31/0x70 [ 993.355592][ T10] ret_from_fork_asm+0x1a/0x30 [ 993.355592][ T10] [ 993.357840][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 993.357840][ T10] netdev_get_by_index+0x5e/0x80 [ 993.357840][ T10] fib6_nh_init+0x3d8/0x1580 [ 993.357840][ T10] ip6_route_info_create+0xf18/0x17d0 [ 993.357840][ T10] ip6_route_add+0x1c/0x140 [ 993.357840][ T10] addrconf_prefix_route+0x2a6/0x430 [ 993.357840][ T10] inet6_addr_add+0x4f8/0xa40 [ 993.357840][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 993.357840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 993.357840][ T10] netlink_rcv_skb+0x130/0x360 [ 993.357840][ T10] netlink_unicast+0x449/0x710 [ 993.357840][ T10] netlink_sendmsg+0x723/0xbe0 [ 993.357840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 993.357840][ T10] ___sys_sendmsg+0xee/0x170 [ 993.357840][ T10] __sys_sendmsg+0xcd/0x170 [ 993.357840][ T10] do_syscall_64+0xc6/0x1e0 [ 993.357840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 993.357840][ T10] [ 993.360035][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 993.360035][ T10] netdev_get_by_index+0x5e/0x80 [ 993.360035][ T10] fib6_nh_init+0x3d8/0x1580 [ 993.360035][ T10] ip6_route_info_create+0xf18/0x17d0 [ 993.360035][ T10] addrconf_f6i_alloc+0x315/0x560 [ 993.360035][ T10] ipv6_add_addr+0x411/0x2000 [ 993.360035][ T10] inet6_addr_add+0x30e/0xa40 [ 993.360035][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 993.360035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 993.360035][ T10] netlink_rcv_skb+0x130/0x360 [ 993.360035][ T10] netlink_unicast+0x449/0x710 [ 993.360035][ T10] netlink_sendmsg+0x723/0xbe0 [ 993.360035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 993.360035][ T10] ___sys_sendmsg+0xee/0x170 [ 993.360035][ T10] __sys_sendmsg+0xcd/0x170 [ 993.360035][ T10] do_syscall_64+0xc6/0x1e0 [ 993.360035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 993.360035][ T10] [ 993.362401][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 993.362401][ T10] netdev_get_by_index+0x5e/0x80 [ 993.362401][ T10] fib6_nh_init+0x3d8/0x1580 [ 993.362401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 993.362401][ T10] ip6_route_add+0x1c/0x140 [ 993.362401][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 993.362401][ T10] addrconf_add_dev+0xe2/0x170 [ 993.362401][ T10] inet6_addr_add+0x12f/0xa40 [ 993.362401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 993.362401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 993.362401][ T10] netlink_rcv_skb+0x130/0x360 [ 993.362401][ T10] netlink_unicast+0x449/0x710 [ 993.362401][ T10] netlink_sendmsg+0x723/0xbe0 [ 993.362401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 993.362401][ T10] ___sys_sendmsg+0xee/0x170 [ 993.362401][ T10] __sys_sendmsg+0xcd/0x170 [ 993.362401][ T10] do_syscall_64+0xc6/0x1e0 [ 993.362401][ T10] [ 993.364969][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 993.364969][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 993.364969][ T10] ipv6_find_idev+0x102/0x170 [ 993.364969][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 993.364969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 993.364969][ T10] netlink_rcv_skb+0x130/0x360 [ 993.364969][ T10] netlink_unicast+0x449/0x710 [ 993.364969][ T10] netlink_sendmsg+0x723/0xbe0 [ 993.364969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 993.364969][ T10] ___sys_sendmsg+0xee/0x170 [ 993.364969][ T10] __sys_sendmsg+0xcd/0x170 [ 993.364969][ T10] do_syscall_64+0xc6/0x1e0 [ 993.364969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 993.364969][ T10] [ 993.366839][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 993.366839][ T10] neigh_parms_alloc+0x1e5/0x510 [ 993.366839][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 993.366839][ T10] ipv6_find_idev+0x102/0x170 [ 993.366839][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 993.366839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 993.366839][ T10] netlink_rcv_skb+0x130/0x360 [ 993.366839][ T10] netlink_unicast+0x449/0x710 [ 993.366839][ T10] netlink_sendmsg+0x723/0xbe0 [ 993.366839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 993.366839][ T10] ___sys_sendmsg+0xee/0x170 [ 993.366839][ T10] __sys_sendmsg+0xcd/0x170 [ 993.366839][ T10] do_syscall_64+0xc6/0x1e0 [ 993.366839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 993.366839][ T10] [ 993.368794][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 993.369568][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 993.369568][ T10] netdev_get_by_index+0x5e/0x80 [ 993.369568][ T10] fib6_nh_init+0x3d8/0x1580 [ 993.369568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 993.369568][ T10] addrconf_f6i_alloc+0x265/0x560 [ 993.369568][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 993.369568][ T10] addrconf_join_anycast+0x1c0/0x220 [ 993.369568][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 993.369568][ T10] addrconf_dad_completed+0x12b/0xe20 [ 993.369568][ T10] addrconf_dad_begin+0x310/0x670 [ 993.369568][ T10] addrconf_dad_work+0x10b/0xab0 [ 993.369568][ T10] process_one_work+0x84d/0x18a0 [ 993.369568][ T10] worker_thread+0x587/0xd30 [ 993.369568][ T10] kthread+0x28a/0x350 [ 993.369568][ T10] ret_from_fork+0x31/0x70 [ 993.369568][ T10] ret_from_fork_asm+0x1a/0x30 [ 993.369568][ T10] [ 993.371585][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 993.371585][ T10] netdev_get_by_index+0x5e/0x80 [ 993.371585][ T10] fib6_nh_init+0x3d8/0x1580 [ 993.371585][ T10] ip6_route_info_create+0xf18/0x17d0 [ 993.371585][ T10] ip6_route_add+0x1c/0x140 [ 993.371585][ T10] addrconf_prefix_route+0x2a6/0x430 [ 993.371585][ T10] inet6_addr_add+0x4f8/0xa40 [ 993.371585][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 993.371585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 993.371585][ T10] netlink_rcv_skb+0x130/0x360 [ 993.371585][ T10] netlink_unicast+0x449/0x710 [ 993.371585][ T10] netlink_sendmsg+0x723/0xbe0 [ 993.371585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 993.371585][ T10] ___sys_sendmsg+0xee/0x170 [ 993.371585][ T10] __sys_sendmsg+0xcd/0x170 [ 993.371585][ T10] do_syscall_64+0xc6/0x1e0 [ 993.371585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 993.371585][ T10] [ 993.373805][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 993.373805][ T10] netdev_get_by_index+0x5e/0x80 [ 993.373805][ T10] fib6_nh_init+0x3d8/0x1580 [ 993.373805][ T10] ip6_route_info_create+0xf18/0x17d0 [ 993.373805][ T10] addrconf_f6i_alloc+0x315/0x560 [ 993.373805][ T10] ipv6_add_addr+0x411/0x2000 [ 993.373805][ T10] inet6_addr_add+0x30e/0xa40 [ 993.373805][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 993.373805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 993.373805][ T10] netlink_rcv_skb+0x130/0x360 [ 993.373805][ T10] netlink_unicast+0x449/0x710 [ 993.373805][ T10] netlink_sendmsg+0x723/0xbe0 [ 993.373805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 993.373805][ T10] ___sys_sendmsg+0xee/0x170 [ 993.373805][ T10] __sys_sendmsg+0xcd/0x170 [ 993.373805][ T10] do_syscall_64+0xc6/0x1e0 [ 993.373805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 993.373805][ T10] [ 993.376211][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 993.376211][ T10] netdev_get_by_index+0x5e/0x80 [ 993.376211][ T10] fib6_nh_init+0x3d8/0x1580 [ 993.376211][ T10] ip6_route_info_create+0xf18/0x17d0 [ 993.376211][ T10] ip6_route_add+0x1c/0x140 [ 993.376211][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 993.376211][ T10] addrconf_add_dev+0xe2/0x170 [ 993.376211][ T10] inet6_addr_add+0x12f/0xa40 [ 993.376211][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 993.376211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 993.376211][ T10] netlink_rcv_skb+0x130/0x360 [ 993.376211][ T10] netlink_unicast+0x449/0x710 [ 993.376211][ T10] netlink_sendmsg+0x723/0xbe0 [ 993.376211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 993.376211][ T10] ___sys_sendmsg+0xee/0x170 [ 993.376211][ T10] __sys_sendmsg+0xcd/0x170 [ 993.376211][ T10] do_syscall_64+0xc6/0x1e0 [ 993.376211][ T10] [ 993.378438][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 993.378438][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 993.378438][ T10] ipv6_find_idev+0x102/0x170 [ 993.378438][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 993.378438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 993.378438][ T10] netlink_rcv_skb+0x130/0x360 [ 993.378438][ T10] netlink_unicast+0x449/0x710 [ 993.378438][ T10] netlink_sendmsg+0x723/0xbe0 [ 993.378438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 993.378438][ T10] ___sys_sendmsg+0xee/0x170 [ 993.378438][ T10] __sys_sendmsg+0xcd/0x170 [ 993.378438][ T10] do_syscall_64+0xc6/0x1e0 [ 993.378438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 993.378438][ T10] [ 993.380209][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 993.380209][ T10] neigh_parms_alloc+0x1e5/0x510 [ 993.380209][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 993.380209][ T10] ipv6_find_idev+0x102/0x170 [ 993.380209][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 993.380209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 993.380209][ T10] netlink_rcv_skb+0x130/0x360 [ 993.380209][ T10] netlink_unicast+0x449/0x710 [ 993.380209][ T10] netlink_sendmsg+0x723/0xbe0 [ 993.380209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 993.380209][ T10] ___sys_sendmsg+0xee/0x170 [ 993.380209][ T10] __sys_sendmsg+0xcd/0x170 [ 993.380209][ T10] do_syscall_64+0xc6/0x1e0 [ 993.380209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 993.380209][ T10] [ 1002.153278][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1002.153805][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1002.153805][ T1167] dst_init+0x84/0x4a0 [ 1002.153805][ T1167] dst_alloc+0x97/0x150 [ 1002.153805][ T1167] ip6_dst_alloc+0x23/0x90 [ 1002.153805][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1002.153805][ T1167] ip6_pol_route+0x56f/0x840 [ 1002.153805][ T1167] fib6_rule_lookup+0x334/0x630 [ 1002.153805][ T1167] ip6_route_output_flags+0x259/0x480 [ 1002.153805][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1002.153805][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1002.153805][ T1167] netlink_rcv_skb+0x130/0x360 [ 1002.153805][ T1167] netlink_unicast+0x449/0x710 [ 1002.153805][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1002.153805][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1002.153805][ T1167] ___sys_sendmsg+0xee/0x170 [ 1002.153805][ T1167] __sys_sendmsg+0xcd/0x170 [ 1002.153805][ T1167] do_syscall_64+0xc6/0x1e0 [ 1002.153805][ T1167] [ 1002.156010][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1002.156010][ T1167] netdev_get_by_index+0x5e/0x80 [ 1002.156010][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1002.156010][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1002.156010][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1002.156010][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1002.156010][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1002.156010][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1002.156010][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1002.156010][ T1167] addrconf_dad_begin+0x310/0x670 [ 1002.156010][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1002.156010][ T1167] process_one_work+0x84d/0x18a0 [ 1002.156010][ T1167] worker_thread+0x587/0xd30 [ 1002.156010][ T1167] kthread+0x28a/0x350 [ 1002.156010][ T1167] ret_from_fork+0x31/0x70 [ 1002.156010][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1002.156010][ T1167] [ 1002.158153][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1002.158153][ T1167] netdev_get_by_index+0x5e/0x80 [ 1002.158153][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1002.158153][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1002.158153][ T1167] ip6_route_add+0x1c/0x140 [ 1002.158153][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1002.158153][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1002.158153][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1002.158153][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1002.158153][ T1167] netlink_rcv_skb+0x130/0x360 [ 1002.158153][ T1167] netlink_unicast+0x449/0x710 [ 1002.158153][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1002.158153][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1002.158153][ T1167] ___sys_sendmsg+0xee/0x170 [ 1002.158153][ T1167] __sys_sendmsg+0xcd/0x170 [ 1002.158153][ T1167] do_syscall_64+0xc6/0x1e0 [ 1002.158153][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1002.158153][ T1167] [ 1002.160427][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1002.160427][ T1167] netdev_get_by_index+0x5e/0x80 [ 1002.160427][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1002.160427][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1002.160427][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1002.160427][ T1167] ipv6_add_addr+0x411/0x2000 [ 1002.160427][ T1167] inet6_addr_add+0x30e/0xa40 [ 1002.160427][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1002.160427][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1002.160427][ T1167] netlink_rcv_skb+0x130/0x360 [ 1002.160427][ T1167] netlink_unicast+0x449/0x710 [ 1002.160427][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1002.160427][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1002.160427][ T1167] ___sys_sendmsg+0xee/0x170 [ 1002.160427][ T1167] __sys_sendmsg+0xcd/0x170 [ 1002.160427][ T1167] do_syscall_64+0xc6/0x1e0 [ 1002.160427][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1002.160427][ T1167] [ 1002.162670][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1002.162670][ T1167] netdev_get_by_index+0x5e/0x80 [ 1002.162670][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1002.162670][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1002.162670][ T1167] ip6_route_add+0x1c/0x140 [ 1002.162670][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1002.162670][ T1167] addrconf_add_dev+0xe2/0x170 [ 1002.162670][ T1167] inet6_addr_add+0x12f/0xa40 [ 1002.162670][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1002.162670][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1002.162670][ T1167] netlink_rcv_skb+0x130/0x360 [ 1002.162670][ T1167] netlink_unicast+0x449/0x710 [ 1002.162670][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1002.162670][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1002.162670][ T1167] ___sys_sendmsg+0xee/0x170 [ 1002.162670][ T1167] __sys_sendmsg+0xcd/0x170 [ 1002.162670][ T1167] do_syscall_64+0xc6/0x1e0 [ 1002.162670][ T1167] [ 1002.164895][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1002.164895][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1002.164895][ T1167] ipv6_find_idev+0x102/0x170 [ 1002.164895][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1002.164895][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1002.164895][ T1167] netlink_rcv_skb+0x130/0x360 [ 1002.164895][ T1167] netlink_unicast+0x449/0x710 [ 1002.164895][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1002.164895][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1002.164895][ T1167] ___sys_sendmsg+0xee/0x170 [ 1002.164895][ T1167] __sys_sendmsg+0xcd/0x170 [ 1002.164895][ T1167] do_syscall_64+0xc6/0x1e0 [ 1002.164895][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1002.164895][ T1167] [ 1002.166613][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1002.166613][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1002.166613][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1002.166613][ T1167] ipv6_find_idev+0x102/0x170 [ 1002.166613][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1002.166613][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1002.166613][ T1167] netlink_rcv_skb+0x130/0x360 [ 1002.166613][ T1167] netlink_unicast+0x449/0x710 [ 1002.166613][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1002.166613][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1002.166613][ T1167] ___sys_sendmsg+0xee/0x170 [ 1002.166613][ T1167] __sys_sendmsg+0xcd/0x170 [ 1002.166613][ T1167] do_syscall_64+0xc6/0x1e0 [ 1002.166613][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1002.166613][ T1167] [ 1003.433245][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1003.433704][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1003.433704][ T10] netdev_get_by_index+0x5e/0x80 [ 1003.433704][ T10] fib6_nh_init+0x3d8/0x1580 [ 1003.433704][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1003.433704][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1003.433704][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1003.433704][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1003.433704][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1003.433704][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1003.433704][ T10] addrconf_dad_begin+0x310/0x670 [ 1003.433704][ T10] addrconf_dad_work+0x10b/0xab0 [ 1003.433704][ T10] process_one_work+0x84d/0x18a0 [ 1003.433704][ T10] worker_thread+0x587/0xd30 [ 1003.433704][ T10] kthread+0x28a/0x350 [ 1003.433704][ T10] ret_from_fork+0x31/0x70 [ 1003.433704][ T10] ret_from_fork_asm+0x1a/0x30 [ 1003.433704][ T10] [ 1003.435645][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1003.435645][ T10] netdev_get_by_index+0x5e/0x80 [ 1003.435645][ T10] fib6_nh_init+0x3d8/0x1580 [ 1003.435645][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1003.435645][ T10] ip6_route_add+0x1c/0x140 [ 1003.435645][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1003.435645][ T10] inet6_addr_add+0x4f8/0xa40 [ 1003.435645][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1003.435645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.435645][ T10] netlink_rcv_skb+0x130/0x360 [ 1003.435645][ T10] netlink_unicast+0x449/0x710 [ 1003.435645][ T10] netlink_sendmsg+0x723/0xbe0 [ 1003.435645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1003.435645][ T10] ___sys_sendmsg+0xee/0x170 [ 1003.435645][ T10] __sys_sendmsg+0xcd/0x170 [ 1003.435645][ T10] do_syscall_64+0xc6/0x1e0 [ 1003.435645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.435645][ T10] [ 1003.437644][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1003.437644][ T10] netdev_get_by_index+0x5e/0x80 [ 1003.437644][ T10] fib6_nh_init+0x3d8/0x1580 [ 1003.437644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1003.437644][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1003.437644][ T10] ipv6_add_addr+0x411/0x2000 [ 1003.437644][ T10] inet6_addr_add+0x30e/0xa40 [ 1003.437644][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1003.437644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.437644][ T10] netlink_rcv_skb+0x130/0x360 [ 1003.437644][ T10] netlink_unicast+0x449/0x710 [ 1003.437644][ T10] netlink_sendmsg+0x723/0xbe0 [ 1003.437644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1003.437644][ T10] ___sys_sendmsg+0xee/0x170 [ 1003.437644][ T10] __sys_sendmsg+0xcd/0x170 [ 1003.437644][ T10] do_syscall_64+0xc6/0x1e0 [ 1003.437644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.437644][ T10] [ 1003.439652][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1003.439652][ T10] netdev_get_by_index+0x5e/0x80 [ 1003.439652][ T10] fib6_nh_init+0x3d8/0x1580 [ 1003.439652][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1003.439652][ T10] ip6_route_add+0x1c/0x140 [ 1003.439652][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1003.439652][ T10] addrconf_add_dev+0xe2/0x170 [ 1003.439652][ T10] inet6_addr_add+0x12f/0xa40 [ 1003.439652][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1003.439652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.439652][ T10] netlink_rcv_skb+0x130/0x360 [ 1003.439652][ T10] netlink_unicast+0x449/0x710 [ 1003.439652][ T10] netlink_sendmsg+0x723/0xbe0 [ 1003.439652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1003.439652][ T10] ___sys_sendmsg+0xee/0x170 [ 1003.439652][ T10] __sys_sendmsg+0xcd/0x170 [ 1003.439652][ T10] do_syscall_64+0xc6/0x1e0 [ 1003.439652][ T10] [ 1003.441624][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1003.441624][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1003.441624][ T10] ipv6_find_idev+0x102/0x170 [ 1003.441624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1003.441624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.441624][ T10] netlink_rcv_skb+0x130/0x360 [ 1003.441624][ T10] netlink_unicast+0x449/0x710 [ 1003.441624][ T10] netlink_sendmsg+0x723/0xbe0 [ 1003.441624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1003.441624][ T10] ___sys_sendmsg+0xee/0x170 [ 1003.441624][ T10] __sys_sendmsg+0xcd/0x170 [ 1003.441624][ T10] do_syscall_64+0xc6/0x1e0 [ 1003.441624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.441624][ T10] [ 1003.443168][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1003.443168][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1003.443168][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1003.443168][ T10] ipv6_find_idev+0x102/0x170 [ 1003.443168][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1003.443168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.443168][ T10] netlink_rcv_skb+0x130/0x360 [ 1003.443168][ T10] netlink_unicast+0x449/0x710 [ 1003.443168][ T10] netlink_sendmsg+0x723/0xbe0 [ 1003.443168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1003.443168][ T10] ___sys_sendmsg+0xee/0x170 [ 1003.443168][ T10] __sys_sendmsg+0xcd/0x170 [ 1003.443168][ T10] do_syscall_64+0xc6/0x1e0 [ 1003.443168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.443168][ T10] [ 1003.444888][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1003.445148][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1003.445148][ T10] netdev_get_by_index+0x5e/0x80 [ 1003.445148][ T10] fib6_nh_init+0x3d8/0x1580 [ 1003.445148][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1003.445148][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1003.445148][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1003.445148][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1003.445148][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1003.445148][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1003.445148][ T10] addrconf_dad_begin+0x310/0x670 [ 1003.445148][ T10] addrconf_dad_work+0x10b/0xab0 [ 1003.445148][ T10] process_one_work+0x84d/0x18a0 [ 1003.445148][ T10] worker_thread+0x587/0xd30 [ 1003.445148][ T10] kthread+0x28a/0x350 [ 1003.445148][ T10] ret_from_fork+0x31/0x70 [ 1003.445148][ T10] ret_from_fork_asm+0x1a/0x30 [ 1003.445148][ T10] [ 1003.447050][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1003.447050][ T10] netdev_get_by_index+0x5e/0x80 [ 1003.447050][ T10] fib6_nh_init+0x3d8/0x1580 [ 1003.447050][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1003.447050][ T10] ip6_route_add+0x1c/0x140 [ 1003.447050][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1003.447050][ T10] inet6_addr_add+0x4f8/0xa40 [ 1003.447050][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1003.447050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.447050][ T10] netlink_rcv_skb+0x130/0x360 [ 1003.447050][ T10] netlink_unicast+0x449/0x710 [ 1003.447050][ T10] netlink_sendmsg+0x723/0xbe0 [ 1003.447050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1003.447050][ T10] ___sys_sendmsg+0xee/0x170 [ 1003.447050][ T10] __sys_sendmsg+0xcd/0x170 [ 1003.447050][ T10] do_syscall_64+0xc6/0x1e0 [ 1003.447050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.447050][ T10] [ 1003.449040][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1003.449040][ T10] netdev_get_by_index+0x5e/0x80 [ 1003.449040][ T10] fib6_nh_init+0x3d8/0x1580 [ 1003.449040][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1003.449040][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1003.449040][ T10] ipv6_add_addr+0x411/0x2000 [ 1003.449040][ T10] inet6_addr_add+0x30e/0xa40 [ 1003.449040][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1003.449040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.449040][ T10] netlink_rcv_skb+0x130/0x360 [ 1003.449040][ T10] netlink_unicast+0x449/0x710 [ 1003.449040][ T10] netlink_sendmsg+0x723/0xbe0 [ 1003.449040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1003.449040][ T10] ___sys_sendmsg+0xee/0x170 [ 1003.449040][ T10] __sys_sendmsg+0xcd/0x170 [ 1003.449040][ T10] do_syscall_64+0xc6/0x1e0 [ 1003.449040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.449040][ T10] [ 1003.451033][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1003.451033][ T10] netdev_get_by_index+0x5e/0x80 [ 1003.451033][ T10] fib6_nh_init+0x3d8/0x1580 [ 1003.451033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1003.451033][ T10] ip6_route_add+0x1c/0x140 [ 1003.451033][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1003.451033][ T10] addrconf_add_dev+0xe2/0x170 [ 1003.451033][ T10] inet6_addr_add+0x12f/0xa40 [ 1003.451033][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1003.451033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.451033][ T10] netlink_rcv_skb+0x130/0x360 [ 1003.451033][ T10] netlink_unicast+0x449/0x710 [ 1003.451033][ T10] netlink_sendmsg+0x723/0xbe0 [ 1003.451033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1003.451033][ T10] ___sys_sendmsg+0xee/0x170 [ 1003.451033][ T10] __sys_sendmsg+0xcd/0x170 [ 1003.451033][ T10] do_syscall_64+0xc6/0x1e0 [ 1003.451033][ T10] [ 1003.452990][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1003.452990][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1003.452990][ T10] ipv6_find_idev+0x102/0x170 [ 1003.452990][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1003.452990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.452990][ T10] netlink_rcv_skb+0x130/0x360 [ 1003.452990][ T10] netlink_unicast+0x449/0x710 [ 1003.452990][ T10] netlink_sendmsg+0x723/0xbe0 [ 1003.452990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1003.452990][ T10] ___sys_sendmsg+0xee/0x170 [ 1003.452990][ T10] __sys_sendmsg+0xcd/0x170 [ 1003.452990][ T10] do_syscall_64+0xc6/0x1e0 [ 1003.452990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.452990][ T10] [ 1003.454530][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1003.454530][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1003.454530][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1003.454530][ T10] ipv6_find_idev+0x102/0x170 [ 1003.454530][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1003.454530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.454530][ T10] netlink_rcv_skb+0x130/0x360 [ 1003.454530][ T10] netlink_unicast+0x449/0x710 [ 1003.454530][ T10] netlink_sendmsg+0x723/0xbe0 [ 1003.454530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1003.454530][ T10] ___sys_sendmsg+0xee/0x170 [ 1003.454530][ T10] __sys_sendmsg+0xcd/0x170 [ 1003.454530][ T10] do_syscall_64+0xc6/0x1e0 [ 1003.454530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.454530][ T10] [ 1003.456223][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1003.456469][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1003.456469][ T10] netdev_get_by_index+0x5e/0x80 [ 1003.456469][ T10] fib6_nh_init+0x3d8/0x1580 [ 1003.456469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1003.456469][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1003.456469][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1003.456469][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1003.456469][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1003.456469][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1003.456469][ T10] addrconf_dad_begin+0x310/0x670 [ 1003.456469][ T10] addrconf_dad_work+0x10b/0xab0 [ 1003.456469][ T10] process_one_work+0x84d/0x18a0 [ 1003.456469][ T10] worker_thread+0x587/0xd30 [ 1003.456469][ T10] kthread+0x28a/0x350 [ 1003.456469][ T10] ret_from_fork+0x31/0x70 [ 1003.456469][ T10] ret_from_fork_asm+0x1a/0x30 [ 1003.456469][ T10] [ 1003.458370][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1003.458370][ T10] netdev_get_by_index+0x5e/0x80 [ 1003.458370][ T10] fib6_nh_init+0x3d8/0x1580 [ 1003.458370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1003.458370][ T10] ip6_route_add+0x1c/0x140 [ 1003.458370][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1003.458370][ T10] inet6_addr_add+0x4f8/0xa40 [ 1003.458370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1003.458370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.458370][ T10] netlink_rcv_skb+0x130/0x360 [ 1003.458370][ T10] netlink_unicast+0x449/0x710 [ 1003.458370][ T10] netlink_sendmsg+0x723/0xbe0 [ 1003.458370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1003.458370][ T10] ___sys_sendmsg+0xee/0x170 [ 1003.458370][ T10] __sys_sendmsg+0xcd/0x170 [ 1003.458370][ T10] do_syscall_64+0xc6/0x1e0 [ 1003.458370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.458370][ T10] [ 1003.460553][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1003.460553][ T10] netdev_get_by_index+0x5e/0x80 [ 1003.460553][ T10] fib6_nh_init+0x3d8/0x1580 [ 1003.460553][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1003.460553][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1003.460553][ T10] ipv6_add_addr+0x411/0x2000 [ 1003.460553][ T10] inet6_addr_add+0x30e/0xa40 [ 1003.460553][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1003.460553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.460553][ T10] netlink_rcv_skb+0x130/0x360 [ 1003.460553][ T10] netlink_unicast+0x449/0x710 [ 1003.460553][ T10] netlink_sendmsg+0x723/0xbe0 [ 1003.460553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1003.460553][ T10] ___sys_sendmsg+0xee/0x170 [ 1003.460553][ T10] __sys_sendmsg+0xcd/0x170 [ 1003.460553][ T10] do_syscall_64+0xc6/0x1e0 [ 1003.460553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.460553][ T10] [ 1003.462663][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1003.462663][ T10] netdev_get_by_index+0x5e/0x80 [ 1003.462663][ T10] fib6_nh_init+0x3d8/0x1580 [ 1003.462663][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1003.462663][ T10] ip6_route_add+0x1c/0x140 [ 1003.462663][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1003.462663][ T10] addrconf_add_dev+0xe2/0x170 [ 1003.462663][ T10] inet6_addr_add+0x12f/0xa40 [ 1003.462663][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1003.462663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.462663][ T10] netlink_rcv_skb+0x130/0x360 [ 1003.462663][ T10] netlink_unicast+0x449/0x710 [ 1003.462663][ T10] netlink_sendmsg+0x723/0xbe0 [ 1003.462663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1003.462663][ T10] ___sys_sendmsg+0xee/0x170 [ 1003.462663][ T10] __sys_sendmsg+0xcd/0x170 [ 1003.462663][ T10] do_syscall_64+0xc6/0x1e0 [ 1003.462663][ T10] [ 1003.464707][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1003.464707][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1003.464707][ T10] ipv6_find_idev+0x102/0x170 [ 1003.464707][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1003.464707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.464707][ T10] netlink_rcv_skb+0x130/0x360 [ 1003.464707][ T10] netlink_unicast+0x449/0x710 [ 1003.464707][ T10] netlink_sendmsg+0x723/0xbe0 [ 1003.464707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1003.464707][ T10] ___sys_sendmsg+0xee/0x170 [ 1003.464707][ T10] __sys_sendmsg+0xcd/0x170 [ 1003.464707][ T10] do_syscall_64+0xc6/0x1e0 [ 1003.464707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.464707][ T10] [ 1003.466362][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1003.466362][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1003.466362][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1003.466362][ T10] ipv6_find_idev+0x102/0x170 [ 1003.466362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1003.466362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.466362][ T10] netlink_rcv_skb+0x130/0x360 [ 1003.466362][ T10] netlink_unicast+0x449/0x710 [ 1003.466362][ T10] netlink_sendmsg+0x723/0xbe0 [ 1003.466362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1003.466362][ T10] ___sys_sendmsg+0xee/0x170 [ 1003.466362][ T10] __sys_sendmsg+0xcd/0x170 [ 1003.466362][ T10] do_syscall_64+0xc6/0x1e0 [ 1003.466362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.466362][ T10] [ 1003.468161][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1003.468395][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1003.468395][ T10] netdev_get_by_index+0x5e/0x80 [ 1003.468395][ T10] fib6_nh_init+0x3d8/0x1580 [ 1003.468395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1003.468395][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1003.468395][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1003.468395][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1003.468395][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1003.468395][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1003.468395][ T10] addrconf_dad_begin+0x310/0x670 [ 1003.468395][ T10] addrconf_dad_work+0x10b/0xab0 [ 1003.468395][ T10] process_one_work+0x84d/0x18a0 [ 1003.468395][ T10] worker_thread+0x587/0xd30 [ 1003.468395][ T10] kthread+0x28a/0x350 [ 1003.468395][ T10] ret_from_fork+0x31/0x70 [ 1003.468395][ T10] ret_from_fork_asm+0x1a/0x30 [ 1003.468395][ T10] [ 1003.470460][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1003.470460][ T10] netdev_get_by_index+0x5e/0x80 [ 1003.470460][ T10] fib6_nh_init+0x3d8/0x1580 [ 1003.470460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1003.470460][ T10] ip6_route_add+0x1c/0x140 [ 1003.470460][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1003.470460][ T10] inet6_addr_add+0x4f8/0xa40 [ 1003.470460][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1003.470460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.470460][ T10] netlink_rcv_skb+0x130/0x360 [ 1003.470460][ T10] netlink_unicast+0x449/0x710 [ 1003.470460][ T10] netlink_sendmsg+0x723/0xbe0 [ 1003.470460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1003.470460][ T10] ___sys_sendmsg+0xee/0x170 [ 1003.470460][ T10] __sys_sendmsg+0xcd/0x170 [ 1003.470460][ T10] do_syscall_64+0xc6/0x1e0 [ 1003.470460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.470460][ T10] [ 1003.472514][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1003.472514][ T10] netdev_get_by_index+0x5e/0x80 [ 1003.472514][ T10] fib6_nh_init+0x3d8/0x1580 [ 1003.472514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1003.472514][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1003.472514][ T10] ipv6_add_addr+0x411/0x2000 [ 1003.472514][ T10] inet6_addr_add+0x30e/0xa40 [ 1003.472514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1003.472514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.472514][ T10] netlink_rcv_skb+0x130/0x360 [ 1003.472514][ T10] netlink_unicast+0x449/0x710 [ 1003.472514][ T10] netlink_sendmsg+0x723/0xbe0 [ 1003.472514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1003.472514][ T10] ___sys_sendmsg+0xee/0x170 [ 1003.472514][ T10] __sys_sendmsg+0xcd/0x170 [ 1003.472514][ T10] do_syscall_64+0xc6/0x1e0 [ 1003.472514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.472514][ T10] [ 1003.474646][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1003.474646][ T10] netdev_get_by_index+0x5e/0x80 [ 1003.474646][ T10] fib6_nh_init+0x3d8/0x1580 [ 1003.474646][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1003.474646][ T10] ip6_route_add+0x1c/0x140 [ 1003.474646][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1003.474646][ T10] addrconf_add_dev+0xe2/0x170 [ 1003.474646][ T10] inet6_addr_add+0x12f/0xa40 [ 1003.474646][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1003.474646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.474646][ T10] netlink_rcv_skb+0x130/0x360 [ 1003.474646][ T10] netlink_unicast+0x449/0x710 [ 1003.474646][ T10] netlink_sendmsg+0x723/0xbe0 [ 1003.474646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1003.474646][ T10] ___sys_sendmsg+0xee/0x170 [ 1003.474646][ T10] __sys_sendmsg+0xcd/0x170 [ 1003.474646][ T10] do_syscall_64+0xc6/0x1e0 [ 1003.474646][ T10] [ 1003.476740][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1003.476740][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1003.476740][ T10] ipv6_find_idev+0x102/0x170 [ 1003.476740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1003.476740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.476740][ T10] netlink_rcv_skb+0x130/0x360 [ 1003.476740][ T10] netlink_unicast+0x449/0x710 [ 1003.476740][ T10] netlink_sendmsg+0x723/0xbe0 [ 1003.476740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1003.476740][ T10] ___sys_sendmsg+0xee/0x170 [ 1003.476740][ T10] __sys_sendmsg+0xcd/0x170 [ 1003.476740][ T10] do_syscall_64+0xc6/0x1e0 [ 1003.476740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.476740][ T10] [ 1003.478402][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1003.478402][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1003.478402][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1003.478402][ T10] ipv6_find_idev+0x102/0x170 [ 1003.478402][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1003.478402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.478402][ T10] netlink_rcv_skb+0x130/0x360 [ 1003.478402][ T10] netlink_unicast+0x449/0x710 [ 1003.478402][ T10] netlink_sendmsg+0x723/0xbe0 [ 1003.478402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1003.478402][ T10] ___sys_sendmsg+0xee/0x170 [ 1003.478402][ T10] __sys_sendmsg+0xcd/0x170 [ 1003.478402][ T10] do_syscall_64+0xc6/0x1e0 [ 1003.478402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.478402][ T10] [ 1012.249200][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1012.249732][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1012.249732][ T1167] dst_init+0x84/0x4a0 [ 1012.249732][ T1167] dst_alloc+0x97/0x150 [ 1012.249732][ T1167] ip6_dst_alloc+0x23/0x90 [ 1012.249732][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1012.249732][ T1167] ip6_pol_route+0x56f/0x840 [ 1012.249732][ T1167] fib6_rule_lookup+0x334/0x630 [ 1012.249732][ T1167] ip6_route_output_flags+0x259/0x480 [ 1012.249732][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1012.249732][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1012.249732][ T1167] netlink_rcv_skb+0x130/0x360 [ 1012.249732][ T1167] netlink_unicast+0x449/0x710 [ 1012.249732][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1012.249732][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1012.249732][ T1167] ___sys_sendmsg+0xee/0x170 [ 1012.249732][ T1167] __sys_sendmsg+0xcd/0x170 [ 1012.249732][ T1167] do_syscall_64+0xc6/0x1e0 [ 1012.249732][ T1167] [ 1012.251949][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1012.251949][ T1167] netdev_get_by_index+0x5e/0x80 [ 1012.251949][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1012.251949][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1012.251949][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1012.251949][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1012.251949][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1012.251949][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1012.251949][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1012.251949][ T1167] addrconf_dad_begin+0x310/0x670 [ 1012.251949][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1012.251949][ T1167] process_one_work+0x84d/0x18a0 [ 1012.251949][ T1167] worker_thread+0x587/0xd30 [ 1012.251949][ T1167] kthread+0x28a/0x350 [ 1012.251949][ T1167] ret_from_fork+0x31/0x70 [ 1012.251949][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1012.251949][ T1167] [ 1012.254108][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1012.254108][ T1167] netdev_get_by_index+0x5e/0x80 [ 1012.254108][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1012.254108][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1012.254108][ T1167] ip6_route_add+0x1c/0x140 [ 1012.254108][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1012.254108][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1012.254108][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1012.254108][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1012.254108][ T1167] netlink_rcv_skb+0x130/0x360 [ 1012.254108][ T1167] netlink_unicast+0x449/0x710 [ 1012.254108][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1012.254108][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1012.254108][ T1167] ___sys_sendmsg+0xee/0x170 [ 1012.254108][ T1167] __sys_sendmsg+0xcd/0x170 [ 1012.254108][ T1167] do_syscall_64+0xc6/0x1e0 [ 1012.254108][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1012.254108][ T1167] [ 1012.256344][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1012.256344][ T1167] netdev_get_by_index+0x5e/0x80 [ 1012.256344][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1012.256344][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1012.256344][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1012.256344][ T1167] ipv6_add_addr+0x411/0x2000 [ 1012.256344][ T1167] inet6_addr_add+0x30e/0xa40 [ 1012.256344][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1012.256344][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1012.256344][ T1167] netlink_rcv_skb+0x130/0x360 [ 1012.256344][ T1167] netlink_unicast+0x449/0x710 [ 1012.256344][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1012.256344][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1012.256344][ T1167] ___sys_sendmsg+0xee/0x170 [ 1012.256344][ T1167] __sys_sendmsg+0xcd/0x170 [ 1012.256344][ T1167] do_syscall_64+0xc6/0x1e0 [ 1012.256344][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1012.256344][ T1167] [ 1012.258585][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1012.258585][ T1167] netdev_get_by_index+0x5e/0x80 [ 1012.258585][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1012.258585][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1012.258585][ T1167] ip6_route_add+0x1c/0x140 [ 1012.258585][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1012.258585][ T1167] addrconf_add_dev+0xe2/0x170 [ 1012.258585][ T1167] inet6_addr_add+0x12f/0xa40 [ 1012.258585][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1012.258585][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1012.258585][ T1167] netlink_rcv_skb+0x130/0x360 [ 1012.258585][ T1167] netlink_unicast+0x449/0x710 [ 1012.258585][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1012.258585][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1012.258585][ T1167] ___sys_sendmsg+0xee/0x170 [ 1012.258585][ T1167] __sys_sendmsg+0xcd/0x170 [ 1012.258585][ T1167] do_syscall_64+0xc6/0x1e0 [ 1012.258585][ T1167] [ 1012.260800][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1012.260800][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1012.260800][ T1167] ipv6_find_idev+0x102/0x170 [ 1012.260800][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1012.260800][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1012.260800][ T1167] netlink_rcv_skb+0x130/0x360 [ 1012.260800][ T1167] netlink_unicast+0x449/0x710 [ 1012.260800][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1012.260800][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1012.260800][ T1167] ___sys_sendmsg+0xee/0x170 [ 1012.260800][ T1167] __sys_sendmsg+0xcd/0x170 [ 1012.260800][ T1167] do_syscall_64+0xc6/0x1e0 [ 1012.260800][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1012.260800][ T1167] [ 1012.262536][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1012.262536][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1012.262536][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1012.262536][ T1167] ipv6_find_idev+0x102/0x170 [ 1012.262536][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1012.262536][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1012.262536][ T1167] netlink_rcv_skb+0x130/0x360 [ 1012.262536][ T1167] netlink_unicast+0x449/0x710 [ 1012.262536][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1012.262536][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1012.262536][ T1167] ___sys_sendmsg+0xee/0x170 [ 1012.262536][ T1167] __sys_sendmsg+0xcd/0x170 [ 1012.262536][ T1167] do_syscall_64+0xc6/0x1e0 [ 1012.262536][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1012.262536][ T1167] [ 1013.529130][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1013.529527][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1013.529527][ T10] netdev_get_by_index+0x5e/0x80 [ 1013.529527][ T10] fib6_nh_init+0x3d8/0x1580 [ 1013.529527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1013.529527][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1013.529527][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1013.529527][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1013.529527][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1013.529527][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1013.529527][ T10] addrconf_dad_begin+0x310/0x670 [ 1013.529527][ T10] addrconf_dad_work+0x10b/0xab0 [ 1013.529527][ T10] process_one_work+0x84d/0x18a0 [ 1013.529527][ T10] worker_thread+0x587/0xd30 [ 1013.529527][ T10] kthread+0x28a/0x350 [ 1013.529527][ T10] ret_from_fork+0x31/0x70 [ 1013.529527][ T10] ret_from_fork_asm+0x1a/0x30 [ 1013.529527][ T10] [ 1013.531477][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1013.531477][ T10] netdev_get_by_index+0x5e/0x80 [ 1013.531477][ T10] fib6_nh_init+0x3d8/0x1580 [ 1013.531477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1013.531477][ T10] ip6_route_add+0x1c/0x140 [ 1013.531477][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1013.531477][ T10] inet6_addr_add+0x4f8/0xa40 [ 1013.531477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1013.531477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.531477][ T10] netlink_rcv_skb+0x130/0x360 [ 1013.531477][ T10] netlink_unicast+0x449/0x710 [ 1013.531477][ T10] netlink_sendmsg+0x723/0xbe0 [ 1013.531477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1013.531477][ T10] ___sys_sendmsg+0xee/0x170 [ 1013.531477][ T10] __sys_sendmsg+0xcd/0x170 [ 1013.531477][ T10] do_syscall_64+0xc6/0x1e0 [ 1013.531477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.531477][ T10] [ 1013.533507][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1013.533507][ T10] netdev_get_by_index+0x5e/0x80 [ 1013.533507][ T10] fib6_nh_init+0x3d8/0x1580 [ 1013.533507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1013.533507][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1013.533507][ T10] ipv6_add_addr+0x411/0x2000 [ 1013.533507][ T10] inet6_addr_add+0x30e/0xa40 [ 1013.533507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1013.533507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.533507][ T10] netlink_rcv_skb+0x130/0x360 [ 1013.533507][ T10] netlink_unicast+0x449/0x710 [ 1013.533507][ T10] netlink_sendmsg+0x723/0xbe0 [ 1013.533507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1013.533507][ T10] ___sys_sendmsg+0xee/0x170 [ 1013.533507][ T10] __sys_sendmsg+0xcd/0x170 [ 1013.533507][ T10] do_syscall_64+0xc6/0x1e0 [ 1013.533507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.533507][ T10] [ 1013.535530][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1013.535530][ T10] netdev_get_by_index+0x5e/0x80 [ 1013.535530][ T10] fib6_nh_init+0x3d8/0x1580 [ 1013.535530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1013.535530][ T10] ip6_route_add+0x1c/0x140 [ 1013.535530][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1013.535530][ T10] addrconf_add_dev+0xe2/0x170 [ 1013.535530][ T10] inet6_addr_add+0x12f/0xa40 [ 1013.535530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1013.535530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.535530][ T10] netlink_rcv_skb+0x130/0x360 [ 1013.535530][ T10] netlink_unicast+0x449/0x710 [ 1013.535530][ T10] netlink_sendmsg+0x723/0xbe0 [ 1013.535530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1013.535530][ T10] ___sys_sendmsg+0xee/0x170 [ 1013.535530][ T10] __sys_sendmsg+0xcd/0x170 [ 1013.535530][ T10] do_syscall_64+0xc6/0x1e0 [ 1013.535530][ T10] [ 1013.537493][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1013.537493][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1013.537493][ T10] ipv6_find_idev+0x102/0x170 [ 1013.537493][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1013.537493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.537493][ T10] netlink_rcv_skb+0x130/0x360 [ 1013.537493][ T10] netlink_unicast+0x449/0x710 [ 1013.537493][ T10] netlink_sendmsg+0x723/0xbe0 [ 1013.537493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1013.537493][ T10] ___sys_sendmsg+0xee/0x170 [ 1013.537493][ T10] __sys_sendmsg+0xcd/0x170 [ 1013.537493][ T10] do_syscall_64+0xc6/0x1e0 [ 1013.537493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.537493][ T10] [ 1013.539017][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1013.539017][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1013.539017][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1013.539017][ T10] ipv6_find_idev+0x102/0x170 [ 1013.539017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1013.539017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.539017][ T10] netlink_rcv_skb+0x130/0x360 [ 1013.539017][ T10] netlink_unicast+0x449/0x710 [ 1013.539017][ T10] netlink_sendmsg+0x723/0xbe0 [ 1013.539017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1013.539017][ T10] ___sys_sendmsg+0xee/0x170 [ 1013.539017][ T10] __sys_sendmsg+0xcd/0x170 [ 1013.539017][ T10] do_syscall_64+0xc6/0x1e0 [ 1013.539017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.539017][ T10] [ 1013.540733][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1013.540978][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1013.540978][ T10] netdev_get_by_index+0x5e/0x80 [ 1013.540978][ T10] fib6_nh_init+0x3d8/0x1580 [ 1013.540978][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1013.540978][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1013.540978][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1013.540978][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1013.540978][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1013.540978][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1013.540978][ T10] addrconf_dad_begin+0x310/0x670 [ 1013.540978][ T10] addrconf_dad_work+0x10b/0xab0 [ 1013.540978][ T10] process_one_work+0x84d/0x18a0 [ 1013.540978][ T10] worker_thread+0x587/0xd30 [ 1013.540978][ T10] kthread+0x28a/0x350 [ 1013.540978][ T10] ret_from_fork+0x31/0x70 [ 1013.540978][ T10] ret_from_fork_asm+0x1a/0x30 [ 1013.540978][ T10] [ 1013.542919][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1013.542919][ T10] netdev_get_by_index+0x5e/0x80 [ 1013.542919][ T10] fib6_nh_init+0x3d8/0x1580 [ 1013.542919][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1013.542919][ T10] ip6_route_add+0x1c/0x140 [ 1013.542919][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1013.542919][ T10] inet6_addr_add+0x4f8/0xa40 [ 1013.542919][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1013.542919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.542919][ T10] netlink_rcv_skb+0x130/0x360 [ 1013.542919][ T10] netlink_unicast+0x449/0x710 [ 1013.542919][ T10] netlink_sendmsg+0x723/0xbe0 [ 1013.542919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1013.542919][ T10] ___sys_sendmsg+0xee/0x170 [ 1013.542919][ T10] __sys_sendmsg+0xcd/0x170 [ 1013.542919][ T10] do_syscall_64+0xc6/0x1e0 [ 1013.542919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.542919][ T10] [ 1013.544923][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1013.544923][ T10] netdev_get_by_index+0x5e/0x80 [ 1013.544923][ T10] fib6_nh_init+0x3d8/0x1580 [ 1013.544923][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1013.544923][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1013.544923][ T10] ipv6_add_addr+0x411/0x2000 [ 1013.544923][ T10] inet6_addr_add+0x30e/0xa40 [ 1013.544923][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1013.544923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.544923][ T10] netlink_rcv_skb+0x130/0x360 [ 1013.544923][ T10] netlink_unicast+0x449/0x710 [ 1013.544923][ T10] netlink_sendmsg+0x723/0xbe0 [ 1013.544923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1013.544923][ T10] ___sys_sendmsg+0xee/0x170 [ 1013.544923][ T10] __sys_sendmsg+0xcd/0x170 [ 1013.544923][ T10] do_syscall_64+0xc6/0x1e0 [ 1013.544923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.544923][ T10] [ 1013.546922][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1013.546922][ T10] netdev_get_by_index+0x5e/0x80 [ 1013.546922][ T10] fib6_nh_init+0x3d8/0x1580 [ 1013.546922][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1013.546922][ T10] ip6_route_add+0x1c/0x140 [ 1013.546922][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1013.546922][ T10] addrconf_add_dev+0xe2/0x170 [ 1013.546922][ T10] inet6_addr_add+0x12f/0xa40 [ 1013.546922][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1013.546922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.546922][ T10] netlink_rcv_skb+0x130/0x360 [ 1013.546922][ T10] netlink_unicast+0x449/0x710 [ 1013.546922][ T10] netlink_sendmsg+0x723/0xbe0 [ 1013.546922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1013.546922][ T10] ___sys_sendmsg+0xee/0x170 [ 1013.546922][ T10] __sys_sendmsg+0xcd/0x170 [ 1013.546922][ T10] do_syscall_64+0xc6/0x1e0 [ 1013.546922][ T10] [ 1013.548891][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1013.548891][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1013.548891][ T10] ipv6_find_idev+0x102/0x170 [ 1013.548891][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1013.548891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.548891][ T10] netlink_rcv_skb+0x130/0x360 [ 1013.548891][ T10] netlink_unicast+0x449/0x710 [ 1013.548891][ T10] netlink_sendmsg+0x723/0xbe0 [ 1013.548891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1013.548891][ T10] ___sys_sendmsg+0xee/0x170 [ 1013.548891][ T10] __sys_sendmsg+0xcd/0x170 [ 1013.548891][ T10] do_syscall_64+0xc6/0x1e0 [ 1013.548891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.548891][ T10] [ 1013.550440][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1013.550440][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1013.550440][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1013.550440][ T10] ipv6_find_idev+0x102/0x170 [ 1013.550440][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1013.550440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.550440][ T10] netlink_rcv_skb+0x130/0x360 [ 1013.550440][ T10] netlink_unicast+0x449/0x710 [ 1013.550440][ T10] netlink_sendmsg+0x723/0xbe0 [ 1013.550440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1013.550440][ T10] ___sys_sendmsg+0xee/0x170 [ 1013.550440][ T10] __sys_sendmsg+0xcd/0x170 [ 1013.550440][ T10] do_syscall_64+0xc6/0x1e0 [ 1013.550440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.550440][ T10] [ 1013.552138][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1013.552379][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1013.552379][ T10] netdev_get_by_index+0x5e/0x80 [ 1013.552379][ T10] fib6_nh_init+0x3d8/0x1580 [ 1013.552379][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1013.552379][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1013.552379][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1013.552379][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1013.552379][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1013.552379][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1013.552379][ T10] addrconf_dad_begin+0x310/0x670 [ 1013.552379][ T10] addrconf_dad_work+0x10b/0xab0 [ 1013.552379][ T10] process_one_work+0x84d/0x18a0 [ 1013.552379][ T10] worker_thread+0x587/0xd30 [ 1013.552379][ T10] kthread+0x28a/0x350 [ 1013.552379][ T10] ret_from_fork+0x31/0x70 [ 1013.552379][ T10] ret_from_fork_asm+0x1a/0x30 [ 1013.552379][ T10] [ 1013.554309][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1013.554309][ T10] netdev_get_by_index+0x5e/0x80 [ 1013.554309][ T10] fib6_nh_init+0x3d8/0x1580 [ 1013.554309][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1013.554309][ T10] ip6_route_add+0x1c/0x140 [ 1013.554309][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1013.554309][ T10] inet6_addr_add+0x4f8/0xa40 [ 1013.554309][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1013.554309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.554309][ T10] netlink_rcv_skb+0x130/0x360 [ 1013.554309][ T10] netlink_unicast+0x449/0x710 [ 1013.554309][ T10] netlink_sendmsg+0x723/0xbe0 [ 1013.554309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1013.554309][ T10] ___sys_sendmsg+0xee/0x170 [ 1013.554309][ T10] __sys_sendmsg+0xcd/0x170 [ 1013.554309][ T10] do_syscall_64+0xc6/0x1e0 [ 1013.554309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.554309][ T10] [ 1013.556467][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1013.556467][ T10] netdev_get_by_index+0x5e/0x80 [ 1013.556467][ T10] fib6_nh_init+0x3d8/0x1580 [ 1013.556467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1013.556467][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1013.556467][ T10] ipv6_add_addr+0x411/0x2000 [ 1013.556467][ T10] inet6_addr_add+0x30e/0xa40 [ 1013.556467][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1013.556467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.556467][ T10] netlink_rcv_skb+0x130/0x360 [ 1013.556467][ T10] netlink_unicast+0x449/0x710 [ 1013.556467][ T10] netlink_sendmsg+0x723/0xbe0 [ 1013.556467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1013.556467][ T10] ___sys_sendmsg+0xee/0x170 [ 1013.556467][ T10] __sys_sendmsg+0xcd/0x170 [ 1013.556467][ T10] do_syscall_64+0xc6/0x1e0 [ 1013.556467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.556467][ T10] [ 1013.558535][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1013.558535][ T10] netdev_get_by_index+0x5e/0x80 [ 1013.558535][ T10] fib6_nh_init+0x3d8/0x1580 [ 1013.558535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1013.558535][ T10] ip6_route_add+0x1c/0x140 [ 1013.558535][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1013.558535][ T10] addrconf_add_dev+0xe2/0x170 [ 1013.558535][ T10] inet6_addr_add+0x12f/0xa40 [ 1013.558535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1013.558535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.558535][ T10] netlink_rcv_skb+0x130/0x360 [ 1013.558535][ T10] netlink_unicast+0x449/0x710 [ 1013.558535][ T10] netlink_sendmsg+0x723/0xbe0 [ 1013.558535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1013.558535][ T10] ___sys_sendmsg+0xee/0x170 [ 1013.558535][ T10] __sys_sendmsg+0xcd/0x170 [ 1013.558535][ T10] do_syscall_64+0xc6/0x1e0 [ 1013.558535][ T10] [ 1013.560550][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1013.560550][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1013.560550][ T10] ipv6_find_idev+0x102/0x170 [ 1013.560550][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1013.560550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.560550][ T10] netlink_rcv_skb+0x130/0x360 [ 1013.560550][ T10] netlink_unicast+0x449/0x710 [ 1013.560550][ T10] netlink_sendmsg+0x723/0xbe0 [ 1013.560550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1013.560550][ T10] ___sys_sendmsg+0xee/0x170 [ 1013.560550][ T10] __sys_sendmsg+0xcd/0x170 [ 1013.560550][ T10] do_syscall_64+0xc6/0x1e0 [ 1013.560550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.560550][ T10] [ 1013.562153][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1013.562153][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1013.562153][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1013.562153][ T10] ipv6_find_idev+0x102/0x170 [ 1013.562153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1013.562153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.562153][ T10] netlink_rcv_skb+0x130/0x360 [ 1013.562153][ T10] netlink_unicast+0x449/0x710 [ 1013.562153][ T10] netlink_sendmsg+0x723/0xbe0 [ 1013.562153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1013.562153][ T10] ___sys_sendmsg+0xee/0x170 [ 1013.562153][ T10] __sys_sendmsg+0xcd/0x170 [ 1013.562153][ T10] do_syscall_64+0xc6/0x1e0 [ 1013.562153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.562153][ T10] [ 1013.564061][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1013.564305][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1013.564305][ T10] netdev_get_by_index+0x5e/0x80 [ 1013.564305][ T10] fib6_nh_init+0x3d8/0x1580 [ 1013.564305][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1013.564305][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1013.564305][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1013.564305][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1013.564305][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1013.564305][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1013.564305][ T10] addrconf_dad_begin+0x310/0x670 [ 1013.564305][ T10] addrconf_dad_work+0x10b/0xab0 [ 1013.564305][ T10] process_one_work+0x84d/0x18a0 [ 1013.564305][ T10] worker_thread+0x587/0xd30 [ 1013.564305][ T10] kthread+0x28a/0x350 [ 1013.564305][ T10] ret_from_fork+0x31/0x70 [ 1013.564305][ T10] ret_from_fork_asm+0x1a/0x30 [ 1013.564305][ T10] [ 1013.566277][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1013.566277][ T10] netdev_get_by_index+0x5e/0x80 [ 1013.566277][ T10] fib6_nh_init+0x3d8/0x1580 [ 1013.566277][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1013.566277][ T10] ip6_route_add+0x1c/0x140 [ 1013.566277][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1013.566277][ T10] inet6_addr_add+0x4f8/0xa40 [ 1013.566277][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1013.566277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.566277][ T10] netlink_rcv_skb+0x130/0x360 [ 1013.566277][ T10] netlink_unicast+0x449/0x710 [ 1013.566277][ T10] netlink_sendmsg+0x723/0xbe0 [ 1013.566277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1013.566277][ T10] ___sys_sendmsg+0xee/0x170 [ 1013.566277][ T10] __sys_sendmsg+0xcd/0x170 [ 1013.566277][ T10] do_syscall_64+0xc6/0x1e0 [ 1013.566277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.566277][ T10] [ 1013.568345][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1013.568345][ T10] netdev_get_by_index+0x5e/0x80 [ 1013.568345][ T10] fib6_nh_init+0x3d8/0x1580 [ 1013.568345][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1013.568345][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1013.568345][ T10] ipv6_add_addr+0x411/0x2000 [ 1013.568345][ T10] inet6_addr_add+0x30e/0xa40 [ 1013.568345][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1013.568345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.568345][ T10] netlink_rcv_skb+0x130/0x360 [ 1013.568345][ T10] netlink_unicast+0x449/0x710 [ 1013.568345][ T10] netlink_sendmsg+0x723/0xbe0 [ 1013.568345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1013.568345][ T10] ___sys_sendmsg+0xee/0x170 [ 1013.568345][ T10] __sys_sendmsg+0xcd/0x170 [ 1013.568345][ T10] do_syscall_64+0xc6/0x1e0 [ 1013.568345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.568345][ T10] [ 1013.570394][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1013.570394][ T10] netdev_get_by_index+0x5e/0x80 [ 1013.570394][ T10] fib6_nh_init+0x3d8/0x1580 [ 1013.570394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1013.570394][ T10] ip6_route_add+0x1c/0x140 [ 1013.570394][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1013.570394][ T10] addrconf_add_dev+0xe2/0x170 [ 1013.570394][ T10] inet6_addr_add+0x12f/0xa40 [ 1013.570394][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1013.570394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.570394][ T10] netlink_rcv_skb+0x130/0x360 [ 1013.570394][ T10] netlink_unicast+0x449/0x710 [ 1013.570394][ T10] netlink_sendmsg+0x723/0xbe0 [ 1013.570394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1013.570394][ T10] ___sys_sendmsg+0xee/0x170 [ 1013.570394][ T10] __sys_sendmsg+0xcd/0x170 [ 1013.570394][ T10] do_syscall_64+0xc6/0x1e0 [ 1013.570394][ T10] [ 1013.572489][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1013.572489][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1013.572489][ T10] ipv6_find_idev+0x102/0x170 [ 1013.572489][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1013.572489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.572489][ T10] netlink_rcv_skb+0x130/0x360 [ 1013.572489][ T10] netlink_unicast+0x449/0x710 [ 1013.572489][ T10] netlink_sendmsg+0x723/0xbe0 [ 1013.572489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1013.572489][ T10] ___sys_sendmsg+0xee/0x170 [ 1013.572489][ T10] __sys_sendmsg+0xcd/0x170 [ 1013.572489][ T10] do_syscall_64+0xc6/0x1e0 [ 1013.572489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.572489][ T10] [ 1013.574106][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1013.574106][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1013.574106][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1013.574106][ T10] ipv6_find_idev+0x102/0x170 [ 1013.574106][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1013.574106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.574106][ T10] netlink_rcv_skb+0x130/0x360 [ 1013.574106][ T10] netlink_unicast+0x449/0x710 [ 1013.574106][ T10] netlink_sendmsg+0x723/0xbe0 [ 1013.574106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1013.574106][ T10] ___sys_sendmsg+0xee/0x170 [ 1013.574106][ T10] __sys_sendmsg+0xcd/0x170 [ 1013.574106][ T10] do_syscall_64+0xc6/0x1e0 [ 1013.574106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.574106][ T10] [ 1022.513123][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1022.513646][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1022.513646][ T1167] dst_init+0x84/0x4a0 [ 1022.513646][ T1167] dst_alloc+0x97/0x150 [ 1022.513646][ T1167] ip6_dst_alloc+0x23/0x90 [ 1022.513646][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1022.513646][ T1167] ip6_pol_route+0x56f/0x840 [ 1022.513646][ T1167] fib6_rule_lookup+0x334/0x630 [ 1022.513646][ T1167] ip6_route_output_flags+0x259/0x480 [ 1022.513646][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1022.513646][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1022.513646][ T1167] netlink_rcv_skb+0x130/0x360 [ 1022.513646][ T1167] netlink_unicast+0x449/0x710 [ 1022.513646][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1022.513646][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1022.513646][ T1167] ___sys_sendmsg+0xee/0x170 [ 1022.513646][ T1167] __sys_sendmsg+0xcd/0x170 [ 1022.513646][ T1167] do_syscall_64+0xc6/0x1e0 [ 1022.513646][ T1167] [ 1022.515869][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1022.515869][ T1167] netdev_get_by_index+0x5e/0x80 [ 1022.515869][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1022.515869][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1022.515869][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1022.515869][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1022.515869][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1022.515869][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1022.515869][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1022.515869][ T1167] addrconf_dad_begin+0x310/0x670 [ 1022.515869][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1022.515869][ T1167] process_one_work+0x84d/0x18a0 [ 1022.515869][ T1167] worker_thread+0x587/0xd30 [ 1022.515869][ T1167] kthread+0x28a/0x350 [ 1022.515869][ T1167] ret_from_fork+0x31/0x70 [ 1022.515869][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1022.515869][ T1167] [ 1022.518032][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1022.518032][ T1167] netdev_get_by_index+0x5e/0x80 [ 1022.518032][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1022.518032][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1022.518032][ T1167] ip6_route_add+0x1c/0x140 [ 1022.518032][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1022.518032][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1022.518032][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1022.518032][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.518032][ T1167] netlink_rcv_skb+0x130/0x360 [ 1022.518032][ T1167] netlink_unicast+0x449/0x710 [ 1022.518032][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1022.518032][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1022.518032][ T1167] ___sys_sendmsg+0xee/0x170 [ 1022.518032][ T1167] __sys_sendmsg+0xcd/0x170 [ 1022.518032][ T1167] do_syscall_64+0xc6/0x1e0 [ 1022.518032][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.518032][ T1167] [ 1022.520280][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1022.520280][ T1167] netdev_get_by_index+0x5e/0x80 [ 1022.520280][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1022.520280][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1022.520280][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1022.520280][ T1167] ipv6_add_addr+0x411/0x2000 [ 1022.520280][ T1167] inet6_addr_add+0x30e/0xa40 [ 1022.520280][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1022.520280][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.520280][ T1167] netlink_rcv_skb+0x130/0x360 [ 1022.520280][ T1167] netlink_unicast+0x449/0x710 [ 1022.520280][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1022.520280][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1022.520280][ T1167] ___sys_sendmsg+0xee/0x170 [ 1022.520280][ T1167] __sys_sendmsg+0xcd/0x170 [ 1022.520280][ T1167] do_syscall_64+0xc6/0x1e0 [ 1022.520280][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.520280][ T1167] [ 1022.522525][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1022.522525][ T1167] netdev_get_by_index+0x5e/0x80 [ 1022.522525][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1022.522525][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1022.522525][ T1167] ip6_route_add+0x1c/0x140 [ 1022.522525][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1022.522525][ T1167] addrconf_add_dev+0xe2/0x170 [ 1022.522525][ T1167] inet6_addr_add+0x12f/0xa40 [ 1022.522525][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1022.522525][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.522525][ T1167] netlink_rcv_skb+0x130/0x360 [ 1022.522525][ T1167] netlink_unicast+0x449/0x710 [ 1022.522525][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1022.522525][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1022.522525][ T1167] ___sys_sendmsg+0xee/0x170 [ 1022.522525][ T1167] __sys_sendmsg+0xcd/0x170 [ 1022.522525][ T1167] do_syscall_64+0xc6/0x1e0 [ 1022.522525][ T1167] [ 1022.524736][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1022.524736][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1022.524736][ T1167] ipv6_find_idev+0x102/0x170 [ 1022.524736][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1022.524736][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.524736][ T1167] netlink_rcv_skb+0x130/0x360 [ 1022.524736][ T1167] netlink_unicast+0x449/0x710 [ 1022.524736][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1022.524736][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1022.524736][ T1167] ___sys_sendmsg+0xee/0x170 [ 1022.524736][ T1167] __sys_sendmsg+0xcd/0x170 [ 1022.524736][ T1167] do_syscall_64+0xc6/0x1e0 [ 1022.524736][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.524736][ T1167] [ 1022.526456][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1022.526456][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1022.526456][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1022.526456][ T1167] ipv6_find_idev+0x102/0x170 [ 1022.526456][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1022.526456][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1022.526456][ T1167] netlink_rcv_skb+0x130/0x360 [ 1022.526456][ T1167] netlink_unicast+0x449/0x710 [ 1022.526456][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1022.526456][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1022.526456][ T1167] ___sys_sendmsg+0xee/0x170 [ 1022.526456][ T1167] __sys_sendmsg+0xcd/0x170 [ 1022.526456][ T1167] do_syscall_64+0xc6/0x1e0 [ 1022.526456][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1022.526456][ T1167] [ 1023.817232][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1023.817693][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1023.817693][ T10] netdev_get_by_index+0x5e/0x80 [ 1023.817693][ T10] fib6_nh_init+0x3d8/0x1580 [ 1023.817693][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1023.817693][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1023.817693][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1023.817693][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1023.817693][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1023.817693][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1023.817693][ T10] addrconf_dad_begin+0x310/0x670 [ 1023.817693][ T10] addrconf_dad_work+0x10b/0xab0 [ 1023.817693][ T10] process_one_work+0x84d/0x18a0 [ 1023.817693][ T10] worker_thread+0x587/0xd30 [ 1023.817693][ T10] kthread+0x28a/0x350 [ 1023.817693][ T10] ret_from_fork+0x31/0x70 [ 1023.817693][ T10] ret_from_fork_asm+0x1a/0x30 [ 1023.817693][ T10] [ 1023.819619][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1023.819619][ T10] netdev_get_by_index+0x5e/0x80 [ 1023.819619][ T10] fib6_nh_init+0x3d8/0x1580 [ 1023.819619][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1023.819619][ T10] ip6_route_add+0x1c/0x140 [ 1023.819619][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1023.819619][ T10] inet6_addr_add+0x4f8/0xa40 [ 1023.819619][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1023.819619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.819619][ T10] netlink_rcv_skb+0x130/0x360 [ 1023.819619][ T10] netlink_unicast+0x449/0x710 [ 1023.819619][ T10] netlink_sendmsg+0x723/0xbe0 [ 1023.819619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1023.819619][ T10] ___sys_sendmsg+0xee/0x170 [ 1023.819619][ T10] __sys_sendmsg+0xcd/0x170 [ 1023.819619][ T10] do_syscall_64+0xc6/0x1e0 [ 1023.819619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.819619][ T10] [ 1023.821608][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1023.821608][ T10] netdev_get_by_index+0x5e/0x80 [ 1023.821608][ T10] fib6_nh_init+0x3d8/0x1580 [ 1023.821608][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1023.821608][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1023.821608][ T10] ipv6_add_addr+0x411/0x2000 [ 1023.821608][ T10] inet6_addr_add+0x30e/0xa40 [ 1023.821608][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1023.821608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.821608][ T10] netlink_rcv_skb+0x130/0x360 [ 1023.821608][ T10] netlink_unicast+0x449/0x710 [ 1023.821608][ T10] netlink_sendmsg+0x723/0xbe0 [ 1023.821608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1023.821608][ T10] ___sys_sendmsg+0xee/0x170 [ 1023.821608][ T10] __sys_sendmsg+0xcd/0x170 [ 1023.821608][ T10] do_syscall_64+0xc6/0x1e0 [ 1023.821608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.821608][ T10] [ 1023.823613][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1023.823613][ T10] netdev_get_by_index+0x5e/0x80 [ 1023.823613][ T10] fib6_nh_init+0x3d8/0x1580 [ 1023.823613][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1023.823613][ T10] ip6_route_add+0x1c/0x140 [ 1023.823613][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1023.823613][ T10] addrconf_add_dev+0xe2/0x170 [ 1023.823613][ T10] inet6_addr_add+0x12f/0xa40 [ 1023.823613][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1023.823613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.823613][ T10] netlink_rcv_skb+0x130/0x360 [ 1023.823613][ T10] netlink_unicast+0x449/0x710 [ 1023.823613][ T10] netlink_sendmsg+0x723/0xbe0 [ 1023.823613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1023.823613][ T10] ___sys_sendmsg+0xee/0x170 [ 1023.823613][ T10] __sys_sendmsg+0xcd/0x170 [ 1023.823613][ T10] do_syscall_64+0xc6/0x1e0 [ 1023.823613][ T10] [ 1023.825582][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1023.825582][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1023.825582][ T10] ipv6_find_idev+0x102/0x170 [ 1023.825582][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1023.825582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.825582][ T10] netlink_rcv_skb+0x130/0x360 [ 1023.825582][ T10] netlink_unicast+0x449/0x710 [ 1023.825582][ T10] netlink_sendmsg+0x723/0xbe0 [ 1023.825582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1023.825582][ T10] ___sys_sendmsg+0xee/0x170 [ 1023.825582][ T10] __sys_sendmsg+0xcd/0x170 [ 1023.825582][ T10] do_syscall_64+0xc6/0x1e0 [ 1023.825582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.825582][ T10] [ 1023.827207][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1023.827207][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1023.827207][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1023.827207][ T10] ipv6_find_idev+0x102/0x170 [ 1023.827207][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1023.827207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.827207][ T10] netlink_rcv_skb+0x130/0x360 [ 1023.827207][ T10] netlink_unicast+0x449/0x710 [ 1023.827207][ T10] netlink_sendmsg+0x723/0xbe0 [ 1023.827207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1023.827207][ T10] ___sys_sendmsg+0xee/0x170 [ 1023.827207][ T10] __sys_sendmsg+0xcd/0x170 [ 1023.827207][ T10] do_syscall_64+0xc6/0x1e0 [ 1023.827207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.827207][ T10] [ 1023.829026][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1023.829405][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1023.829405][ T10] netdev_get_by_index+0x5e/0x80 [ 1023.829405][ T10] fib6_nh_init+0x3d8/0x1580 [ 1023.829405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1023.829405][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1023.829405][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1023.829405][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1023.829405][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1023.829405][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1023.829405][ T10] addrconf_dad_begin+0x310/0x670 [ 1023.829405][ T10] addrconf_dad_work+0x10b/0xab0 [ 1023.829405][ T10] process_one_work+0x84d/0x18a0 [ 1023.829405][ T10] worker_thread+0x587/0xd30 [ 1023.829405][ T10] kthread+0x28a/0x350 [ 1023.829405][ T10] ret_from_fork+0x31/0x70 [ 1023.829405][ T10] ret_from_fork_asm+0x1a/0x30 [ 1023.829405][ T10] [ 1023.832251][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1023.832251][ T10] netdev_get_by_index+0x5e/0x80 [ 1023.832251][ T10] fib6_nh_init+0x3d8/0x1580 [ 1023.832251][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1023.832251][ T10] ip6_route_add+0x1c/0x140 [ 1023.832251][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1023.832251][ T10] inet6_addr_add+0x4f8/0xa40 [ 1023.832251][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1023.832251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.832251][ T10] netlink_rcv_skb+0x130/0x360 [ 1023.832251][ T10] netlink_unicast+0x449/0x710 [ 1023.832251][ T10] netlink_sendmsg+0x723/0xbe0 [ 1023.832251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1023.832251][ T10] ___sys_sendmsg+0xee/0x170 [ 1023.832251][ T10] __sys_sendmsg+0xcd/0x170 [ 1023.832251][ T10] do_syscall_64+0xc6/0x1e0 [ 1023.832251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.832251][ T10] [ 1023.835321][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1023.835321][ T10] netdev_get_by_index+0x5e/0x80 [ 1023.835321][ T10] fib6_nh_init+0x3d8/0x1580 [ 1023.835321][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1023.835321][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1023.835321][ T10] ipv6_add_addr+0x411/0x2000 [ 1023.835321][ T10] inet6_addr_add+0x30e/0xa40 [ 1023.835321][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1023.835321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.835321][ T10] netlink_rcv_skb+0x130/0x360 [ 1023.835321][ T10] netlink_unicast+0x449/0x710 [ 1023.835321][ T10] netlink_sendmsg+0x723/0xbe0 [ 1023.835321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1023.835321][ T10] ___sys_sendmsg+0xee/0x170 [ 1023.835321][ T10] __sys_sendmsg+0xcd/0x170 [ 1023.835321][ T10] do_syscall_64+0xc6/0x1e0 [ 1023.835321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.835321][ T10] [ 1023.838364][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1023.838364][ T10] netdev_get_by_index+0x5e/0x80 [ 1023.838364][ T10] fib6_nh_init+0x3d8/0x1580 [ 1023.838364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1023.838364][ T10] ip6_route_add+0x1c/0x140 [ 1023.838364][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1023.838364][ T10] addrconf_add_dev+0xe2/0x170 [ 1023.838364][ T10] inet6_addr_add+0x12f/0xa40 [ 1023.838364][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1023.838364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.838364][ T10] netlink_rcv_skb+0x130/0x360 [ 1023.838364][ T10] netlink_unicast+0x449/0x710 [ 1023.838364][ T10] netlink_sendmsg+0x723/0xbe0 [ 1023.838364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1023.838364][ T10] ___sys_sendmsg+0xee/0x170 [ 1023.838364][ T10] __sys_sendmsg+0xcd/0x170 [ 1023.838364][ T10] do_syscall_64+0xc6/0x1e0 [ 1023.838364][ T10] [ 1023.841199][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1023.841199][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1023.841199][ T10] ipv6_find_idev+0x102/0x170 [ 1023.841199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1023.841199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.841199][ T10] netlink_rcv_skb+0x130/0x360 [ 1023.841199][ T10] netlink_unicast+0x449/0x710 [ 1023.841199][ T10] netlink_sendmsg+0x723/0xbe0 [ 1023.841199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1023.841199][ T10] ___sys_sendmsg+0xee/0x170 [ 1023.841199][ T10] __sys_sendmsg+0xcd/0x170 [ 1023.841199][ T10] do_syscall_64+0xc6/0x1e0 [ 1023.841199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.841199][ T10] [ 1023.843434][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1023.843434][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1023.843434][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1023.843434][ T10] ipv6_find_idev+0x102/0x170 [ 1023.843434][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1023.843434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.843434][ T10] netlink_rcv_skb+0x130/0x360 [ 1023.843434][ T10] netlink_unicast+0x449/0x710 [ 1023.843434][ T10] netlink_sendmsg+0x723/0xbe0 [ 1023.843434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1023.843434][ T10] ___sys_sendmsg+0xee/0x170 [ 1023.843434][ T10] __sys_sendmsg+0xcd/0x170 [ 1023.843434][ T10] do_syscall_64+0xc6/0x1e0 [ 1023.843434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.843434][ T10] [ 1023.845981][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1023.846373][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1023.846373][ T10] netdev_get_by_index+0x5e/0x80 [ 1023.846373][ T10] fib6_nh_init+0x3d8/0x1580 [ 1023.846373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1023.846373][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1023.846373][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1023.846373][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1023.846373][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1023.846373][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1023.846373][ T10] addrconf_dad_begin+0x310/0x670 [ 1023.846373][ T10] addrconf_dad_work+0x10b/0xab0 [ 1023.846373][ T10] process_one_work+0x84d/0x18a0 [ 1023.846373][ T10] worker_thread+0x587/0xd30 [ 1023.846373][ T10] kthread+0x28a/0x350 [ 1023.846373][ T10] ret_from_fork+0x31/0x70 [ 1023.846373][ T10] ret_from_fork_asm+0x1a/0x30 [ 1023.846373][ T10] [ 1023.849312][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1023.849312][ T10] netdev_get_by_index+0x5e/0x80 [ 1023.849312][ T10] fib6_nh_init+0x3d8/0x1580 [ 1023.849312][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1023.849312][ T10] ip6_route_add+0x1c/0x140 [ 1023.849312][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1023.849312][ T10] inet6_addr_add+0x4f8/0xa40 [ 1023.849312][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1023.849312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.849312][ T10] netlink_rcv_skb+0x130/0x360 [ 1023.849312][ T10] netlink_unicast+0x449/0x710 [ 1023.849312][ T10] netlink_sendmsg+0x723/0xbe0 [ 1023.849312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1023.849312][ T10] ___sys_sendmsg+0xee/0x170 [ 1023.849312][ T10] __sys_sendmsg+0xcd/0x170 [ 1023.849312][ T10] do_syscall_64+0xc6/0x1e0 [ 1023.849312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.849312][ T10] [ 1023.852721][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1023.852721][ T10] netdev_get_by_index+0x5e/0x80 [ 1023.852721][ T10] fib6_nh_init+0x3d8/0x1580 [ 1023.852721][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1023.852721][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1023.852721][ T10] ipv6_add_addr+0x411/0x2000 [ 1023.852721][ T10] inet6_addr_add+0x30e/0xa40 [ 1023.852721][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1023.852721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.852721][ T10] netlink_rcv_skb+0x130/0x360 [ 1023.852721][ T10] netlink_unicast+0x449/0x710 [ 1023.852721][ T10] netlink_sendmsg+0x723/0xbe0 [ 1023.852721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1023.852721][ T10] ___sys_sendmsg+0xee/0x170 [ 1023.852721][ T10] __sys_sendmsg+0xcd/0x170 [ 1023.852721][ T10] do_syscall_64+0xc6/0x1e0 [ 1023.852721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.852721][ T10] [ 1023.856152][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1023.856152][ T10] netdev_get_by_index+0x5e/0x80 [ 1023.856152][ T10] fib6_nh_init+0x3d8/0x1580 [ 1023.856152][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1023.856152][ T10] ip6_route_add+0x1c/0x140 [ 1023.856152][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1023.856152][ T10] addrconf_add_dev+0xe2/0x170 [ 1023.856152][ T10] inet6_addr_add+0x12f/0xa40 [ 1023.856152][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1023.856152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.856152][ T10] netlink_rcv_skb+0x130/0x360 [ 1023.856152][ T10] netlink_unicast+0x449/0x710 [ 1023.856152][ T10] netlink_sendmsg+0x723/0xbe0 [ 1023.856152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1023.856152][ T10] ___sys_sendmsg+0xee/0x170 [ 1023.856152][ T10] __sys_sendmsg+0xcd/0x170 [ 1023.856152][ T10] do_syscall_64+0xc6/0x1e0 [ 1023.856152][ T10] [ 1023.859529][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1023.859529][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1023.859529][ T10] ipv6_find_idev+0x102/0x170 [ 1023.859529][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1023.859529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.859529][ T10] netlink_rcv_skb+0x130/0x360 [ 1023.859529][ T10] netlink_unicast+0x449/0x710 [ 1023.859529][ T10] netlink_sendmsg+0x723/0xbe0 [ 1023.859529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1023.859529][ T10] ___sys_sendmsg+0xee/0x170 [ 1023.859529][ T10] __sys_sendmsg+0xcd/0x170 [ 1023.859529][ T10] do_syscall_64+0xc6/0x1e0 [ 1023.859529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.859529][ T10] [ 1023.862235][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1023.862235][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1023.862235][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1023.862235][ T10] ipv6_find_idev+0x102/0x170 [ 1023.862235][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1023.862235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.862235][ T10] netlink_rcv_skb+0x130/0x360 [ 1023.862235][ T10] netlink_unicast+0x449/0x710 [ 1023.862235][ T10] netlink_sendmsg+0x723/0xbe0 [ 1023.862235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1023.862235][ T10] ___sys_sendmsg+0xee/0x170 [ 1023.862235][ T10] __sys_sendmsg+0xcd/0x170 [ 1023.862235][ T10] do_syscall_64+0xc6/0x1e0 [ 1023.862235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.862235][ T10] [ 1023.865304][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1023.865686][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1023.865686][ T10] netdev_get_by_index+0x5e/0x80 [ 1023.865686][ T10] fib6_nh_init+0x3d8/0x1580 [ 1023.865686][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1023.865686][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1023.865686][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1023.865686][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1023.865686][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1023.865686][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1023.865686][ T10] addrconf_dad_begin+0x310/0x670 [ 1023.865686][ T10] addrconf_dad_work+0x10b/0xab0 [ 1023.865686][ T10] process_one_work+0x84d/0x18a0 [ 1023.865686][ T10] worker_thread+0x587/0xd30 [ 1023.865686][ T10] kthread+0x28a/0x350 [ 1023.865686][ T10] ret_from_fork+0x31/0x70 [ 1023.865686][ T10] ret_from_fork_asm+0x1a/0x30 [ 1023.865686][ T10] [ 1023.869037][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1023.869037][ T10] netdev_get_by_index+0x5e/0x80 [ 1023.869037][ T10] fib6_nh_init+0x3d8/0x1580 [ 1023.869037][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1023.869037][ T10] ip6_route_add+0x1c/0x140 [ 1023.869037][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1023.869037][ T10] inet6_addr_add+0x4f8/0xa40 [ 1023.869037][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1023.869037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.869037][ T10] netlink_rcv_skb+0x130/0x360 [ 1023.869037][ T10] netlink_unicast+0x449/0x710 [ 1023.869037][ T10] netlink_sendmsg+0x723/0xbe0 [ 1023.869037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1023.869037][ T10] ___sys_sendmsg+0xee/0x170 [ 1023.869037][ T10] __sys_sendmsg+0xcd/0x170 [ 1023.869037][ T10] do_syscall_64+0xc6/0x1e0 [ 1023.869037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.869037][ T10] [ 1023.872313][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1023.872313][ T10] netdev_get_by_index+0x5e/0x80 [ 1023.872313][ T10] fib6_nh_init+0x3d8/0x1580 [ 1023.872313][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1023.872313][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1023.872313][ T10] ipv6_add_addr+0x411/0x2000 [ 1023.872313][ T10] inet6_addr_add+0x30e/0xa40 [ 1023.872313][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1023.872313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.872313][ T10] netlink_rcv_skb+0x130/0x360 [ 1023.872313][ T10] netlink_unicast+0x449/0x710 [ 1023.872313][ T10] netlink_sendmsg+0x723/0xbe0 [ 1023.872313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1023.872313][ T10] ___sys_sendmsg+0xee/0x170 [ 1023.872313][ T10] __sys_sendmsg+0xcd/0x170 [ 1023.872313][ T10] do_syscall_64+0xc6/0x1e0 [ 1023.872313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.872313][ T10] [ 1023.875627][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1023.875627][ T10] netdev_get_by_index+0x5e/0x80 [ 1023.875627][ T10] fib6_nh_init+0x3d8/0x1580 [ 1023.875627][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1023.875627][ T10] ip6_route_add+0x1c/0x140 [ 1023.875627][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1023.875627][ T10] addrconf_add_dev+0xe2/0x170 [ 1023.875627][ T10] inet6_addr_add+0x12f/0xa40 [ 1023.875627][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1023.875627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.875627][ T10] netlink_rcv_skb+0x130/0x360 [ 1023.875627][ T10] netlink_unicast+0x449/0x710 [ 1023.875627][ T10] netlink_sendmsg+0x723/0xbe0 [ 1023.875627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1023.875627][ T10] ___sys_sendmsg+0xee/0x170 [ 1023.875627][ T10] __sys_sendmsg+0xcd/0x170 [ 1023.875627][ T10] do_syscall_64+0xc6/0x1e0 [ 1023.875627][ T10] [ 1023.878915][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1023.878915][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1023.878915][ T10] ipv6_find_idev+0x102/0x170 [ 1023.878915][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1023.878915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.878915][ T10] netlink_rcv_skb+0x130/0x360 [ 1023.878915][ T10] netlink_unicast+0x449/0x710 [ 1023.878915][ T10] netlink_sendmsg+0x723/0xbe0 [ 1023.878915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1023.878915][ T10] ___sys_sendmsg+0xee/0x170 [ 1023.878915][ T10] __sys_sendmsg+0xcd/0x170 [ 1023.878915][ T10] do_syscall_64+0xc6/0x1e0 [ 1023.878915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.878915][ T10] [ 1023.881547][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1023.881547][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1023.881547][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1023.881547][ T10] ipv6_find_idev+0x102/0x170 [ 1023.881547][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1023.881547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.881547][ T10] netlink_rcv_skb+0x130/0x360 [ 1023.881547][ T10] netlink_unicast+0x449/0x710 [ 1023.881547][ T10] netlink_sendmsg+0x723/0xbe0 [ 1023.881547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1023.881547][ T10] ___sys_sendmsg+0xee/0x170 [ 1023.881547][ T10] __sys_sendmsg+0xcd/0x170 [ 1023.881547][ T10] do_syscall_64+0xc6/0x1e0 [ 1023.881547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.881547][ T10] [ 1032.777105][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1032.777610][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1032.777610][ T1167] dst_init+0x84/0x4a0 [ 1032.777610][ T1167] dst_alloc+0x97/0x150 [ 1032.777610][ T1167] ip6_dst_alloc+0x23/0x90 [ 1032.777610][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1032.777610][ T1167] ip6_pol_route+0x56f/0x840 [ 1032.777610][ T1167] fib6_rule_lookup+0x334/0x630 [ 1032.777610][ T1167] ip6_route_output_flags+0x259/0x480 [ 1032.777610][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1032.777610][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1032.777610][ T1167] netlink_rcv_skb+0x130/0x360 [ 1032.777610][ T1167] netlink_unicast+0x449/0x710 [ 1032.777610][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1032.777610][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1032.777610][ T1167] ___sys_sendmsg+0xee/0x170 [ 1032.777610][ T1167] __sys_sendmsg+0xcd/0x170 [ 1032.777610][ T1167] do_syscall_64+0xc6/0x1e0 [ 1032.777610][ T1167] [ 1032.780045][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1032.780045][ T1167] netdev_get_by_index+0x5e/0x80 [ 1032.780045][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1032.780045][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1032.780045][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1032.780045][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1032.780045][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1032.780045][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1032.780045][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1032.780045][ T1167] addrconf_dad_begin+0x310/0x670 [ 1032.780045][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1032.780045][ T1167] process_one_work+0x84d/0x18a0 [ 1032.780045][ T1167] worker_thread+0x587/0xd30 [ 1032.780045][ T1167] kthread+0x28a/0x350 [ 1032.780045][ T1167] ret_from_fork+0x31/0x70 [ 1032.780045][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1032.780045][ T1167] [ 1032.782383][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1032.782383][ T1167] netdev_get_by_index+0x5e/0x80 [ 1032.782383][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1032.782383][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1032.782383][ T1167] ip6_route_add+0x1c/0x140 [ 1032.782383][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1032.782383][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1032.782383][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1032.782383][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.782383][ T1167] netlink_rcv_skb+0x130/0x360 [ 1032.782383][ T1167] netlink_unicast+0x449/0x710 [ 1032.782383][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1032.782383][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1032.782383][ T1167] ___sys_sendmsg+0xee/0x170 [ 1032.782383][ T1167] __sys_sendmsg+0xcd/0x170 [ 1032.782383][ T1167] do_syscall_64+0xc6/0x1e0 [ 1032.782383][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.782383][ T1167] [ 1032.784717][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1032.784717][ T1167] netdev_get_by_index+0x5e/0x80 [ 1032.784717][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1032.784717][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1032.784717][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1032.784717][ T1167] ipv6_add_addr+0x411/0x2000 [ 1032.784717][ T1167] inet6_addr_add+0x30e/0xa40 [ 1032.784717][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1032.784717][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.784717][ T1167] netlink_rcv_skb+0x130/0x360 [ 1032.784717][ T1167] netlink_unicast+0x449/0x710 [ 1032.784717][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1032.784717][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1032.784717][ T1167] ___sys_sendmsg+0xee/0x170 [ 1032.784717][ T1167] __sys_sendmsg+0xcd/0x170 [ 1032.784717][ T1167] do_syscall_64+0xc6/0x1e0 [ 1032.784717][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.784717][ T1167] [ 1032.786996][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1032.786996][ T1167] netdev_get_by_index+0x5e/0x80 [ 1032.786996][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1032.786996][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1032.786996][ T1167] ip6_route_add+0x1c/0x140 [ 1032.786996][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1032.786996][ T1167] addrconf_add_dev+0xe2/0x170 [ 1032.786996][ T1167] inet6_addr_add+0x12f/0xa40 [ 1032.786996][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1032.786996][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.786996][ T1167] netlink_rcv_skb+0x130/0x360 [ 1032.786996][ T1167] netlink_unicast+0x449/0x710 [ 1032.786996][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1032.786996][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1032.786996][ T1167] ___sys_sendmsg+0xee/0x170 [ 1032.786996][ T1167] __sys_sendmsg+0xcd/0x170 [ 1032.786996][ T1167] do_syscall_64+0xc6/0x1e0 [ 1032.786996][ T1167] [ 1032.789229][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1032.789229][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1032.789229][ T1167] ipv6_find_idev+0x102/0x170 [ 1032.789229][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1032.789229][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.789229][ T1167] netlink_rcv_skb+0x130/0x360 [ 1032.789229][ T1167] netlink_unicast+0x449/0x710 [ 1032.789229][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1032.789229][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1032.789229][ T1167] ___sys_sendmsg+0xee/0x170 [ 1032.789229][ T1167] __sys_sendmsg+0xcd/0x170 [ 1032.789229][ T1167] do_syscall_64+0xc6/0x1e0 [ 1032.789229][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.789229][ T1167] [ 1032.790976][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1032.790976][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1032.790976][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1032.790976][ T1167] ipv6_find_idev+0x102/0x170 [ 1032.790976][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1032.790976][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1032.790976][ T1167] netlink_rcv_skb+0x130/0x360 [ 1032.790976][ T1167] netlink_unicast+0x449/0x710 [ 1032.790976][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1032.790976][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1032.790976][ T1167] ___sys_sendmsg+0xee/0x170 [ 1032.790976][ T1167] __sys_sendmsg+0xcd/0x170 [ 1032.790976][ T1167] do_syscall_64+0xc6/0x1e0 [ 1032.790976][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1032.790976][ T1167] [ 1034.121093][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1034.121576][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1034.121576][ T10] netdev_get_by_index+0x5e/0x80 [ 1034.121576][ T10] fib6_nh_init+0x3d8/0x1580 [ 1034.121576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1034.121576][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1034.121576][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1034.121576][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1034.121576][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1034.121576][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1034.121576][ T10] addrconf_dad_begin+0x310/0x670 [ 1034.121576][ T10] addrconf_dad_work+0x10b/0xab0 [ 1034.121576][ T10] process_one_work+0x84d/0x18a0 [ 1034.121576][ T10] worker_thread+0x587/0xd30 [ 1034.121576][ T10] kthread+0x28a/0x350 [ 1034.121576][ T10] ret_from_fork+0x31/0x70 [ 1034.121576][ T10] ret_from_fork_asm+0x1a/0x30 [ 1034.121576][ T10] [ 1034.123733][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1034.123733][ T10] netdev_get_by_index+0x5e/0x80 [ 1034.123733][ T10] fib6_nh_init+0x3d8/0x1580 [ 1034.123733][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1034.123733][ T10] ip6_route_add+0x1c/0x140 [ 1034.123733][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1034.123733][ T10] inet6_addr_add+0x4f8/0xa40 [ 1034.123733][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1034.123733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1034.123733][ T10] netlink_rcv_skb+0x130/0x360 [ 1034.123733][ T10] netlink_unicast+0x449/0x710 [ 1034.123733][ T10] netlink_sendmsg+0x723/0xbe0 [ 1034.123733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1034.123733][ T10] ___sys_sendmsg+0xee/0x170 [ 1034.123733][ T10] __sys_sendmsg+0xcd/0x170 [ 1034.123733][ T10] do_syscall_64+0xc6/0x1e0 [ 1034.123733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1034.123733][ T10] [ 1034.125969][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1034.125969][ T10] netdev_get_by_index+0x5e/0x80 [ 1034.125969][ T10] fib6_nh_init+0x3d8/0x1580 [ 1034.125969][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1034.125969][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1034.125969][ T10] ipv6_add_addr+0x411/0x2000 [ 1034.125969][ T10] inet6_addr_add+0x30e/0xa40 [ 1034.125969][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1034.125969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1034.125969][ T10] netlink_rcv_skb+0x130/0x360 [ 1034.125969][ T10] netlink_unicast+0x449/0x710 [ 1034.125969][ T10] netlink_sendmsg+0x723/0xbe0 [ 1034.125969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1034.125969][ T10] ___sys_sendmsg+0xee/0x170 [ 1034.125969][ T10] __sys_sendmsg+0xcd/0x170 [ 1034.125969][ T10] do_syscall_64+0xc6/0x1e0 [ 1034.125969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1034.125969][ T10] [ 1034.128176][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1034.128176][ T10] netdev_get_by_index+0x5e/0x80 [ 1034.128176][ T10] fib6_nh_init+0x3d8/0x1580 [ 1034.128176][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1034.128176][ T10] ip6_route_add+0x1c/0x140 [ 1034.128176][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1034.128176][ T10] addrconf_add_dev+0xe2/0x170 [ 1034.128176][ T10] inet6_addr_add+0x12f/0xa40 [ 1034.128176][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1034.128176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1034.128176][ T10] netlink_rcv_skb+0x130/0x360 [ 1034.128176][ T10] netlink_unicast+0x449/0x710 [ 1034.128176][ T10] netlink_sendmsg+0x723/0xbe0 [ 1034.128176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1034.128176][ T10] ___sys_sendmsg+0xee/0x170 [ 1034.128176][ T10] __sys_sendmsg+0xcd/0x170 [ 1034.128176][ T10] do_syscall_64+0xc6/0x1e0 [ 1034.128176][ T10] [ 1034.130326][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1034.130326][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1034.130326][ T10] ipv6_find_idev+0x102/0x170 [ 1034.130326][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1034.130326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1034.130326][ T10] netlink_rcv_skb+0x130/0x360 [ 1034.130326][ T10] netlink_unicast+0x449/0x710 [ 1034.130326][ T10] netlink_sendmsg+0x723/0xbe0 [ 1034.130326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1034.130326][ T10] ___sys_sendmsg+0xee/0x170 [ 1034.130326][ T10] __sys_sendmsg+0xcd/0x170 [ 1034.130326][ T10] do_syscall_64+0xc6/0x1e0 [ 1034.130326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1034.130326][ T10] [ 1034.132012][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1034.132012][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1034.132012][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1034.132012][ T10] ipv6_find_idev+0x102/0x170 [ 1034.132012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1034.132012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1034.132012][ T10] netlink_rcv_skb+0x130/0x360 [ 1034.132012][ T10] netlink_unicast+0x449/0x710 [ 1034.132012][ T10] netlink_sendmsg+0x723/0xbe0 [ 1034.132012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1034.132012][ T10] ___sys_sendmsg+0xee/0x170 [ 1034.132012][ T10] __sys_sendmsg+0xcd/0x170 [ 1034.132012][ T10] do_syscall_64+0xc6/0x1e0 [ 1034.132012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1034.132012][ T10] [ 1034.133900][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1034.134185][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1034.134185][ T10] netdev_get_by_index+0x5e/0x80 [ 1034.134185][ T10] fib6_nh_init+0x3d8/0x1580 [ 1034.134185][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1034.134185][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1034.134185][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1034.134185][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1034.134185][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1034.134185][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1034.134185][ T10] addrconf_dad_begin+0x310/0x670 [ 1034.134185][ T10] addrconf_dad_work+0x10b/0xab0 [ 1034.134185][ T10] process_one_work+0x84d/0x18a0 [ 1034.134185][ T10] worker_thread+0x587/0xd30 [ 1034.134185][ T10] kthread+0x28a/0x350 [ 1034.134185][ T10] ret_from_fork+0x31/0x70 [ 1034.134185][ T10] ret_from_fork_asm+0x1a/0x30 [ 1034.134185][ T10] [ 1034.136318][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1034.136318][ T10] netdev_get_by_index+0x5e/0x80 [ 1034.136318][ T10] fib6_nh_init+0x3d8/0x1580 [ 1034.136318][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1034.136318][ T10] ip6_route_add+0x1c/0x140 [ 1034.136318][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1034.136318][ T10] inet6_addr_add+0x4f8/0xa40 [ 1034.136318][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1034.136318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1034.136318][ T10] netlink_rcv_skb+0x130/0x360 [ 1034.136318][ T10] netlink_unicast+0x449/0x710 [ 1034.136318][ T10] netlink_sendmsg+0x723/0xbe0 [ 1034.136318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1034.136318][ T10] ___sys_sendmsg+0xee/0x170 [ 1034.136318][ T10] __sys_sendmsg+0xcd/0x170 [ 1034.136318][ T10] do_syscall_64+0xc6/0x1e0 [ 1034.136318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1034.136318][ T10] [ 1034.138556][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1034.138556][ T10] netdev_get_by_index+0x5e/0x80 [ 1034.138556][ T10] fib6_nh_init+0x3d8/0x1580 [ 1034.138556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1034.138556][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1034.138556][ T10] ipv6_add_addr+0x411/0x2000 [ 1034.138556][ T10] inet6_addr_add+0x30e/0xa40 [ 1034.138556][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1034.138556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1034.138556][ T10] netlink_rcv_skb+0x130/0x360 [ 1034.138556][ T10] netlink_unicast+0x449/0x710 [ 1034.138556][ T10] netlink_sendmsg+0x723/0xbe0 [ 1034.138556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1034.138556][ T10] ___sys_sendmsg+0xee/0x170 [ 1034.138556][ T10] __sys_sendmsg+0xcd/0x170 [ 1034.138556][ T10] do_syscall_64+0xc6/0x1e0 [ 1034.138556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1034.138556][ T10] [ 1034.140750][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1034.140750][ T10] netdev_get_by_index+0x5e/0x80 [ 1034.140750][ T10] fib6_nh_init+0x3d8/0x1580 [ 1034.140750][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1034.140750][ T10] ip6_route_add+0x1c/0x140 [ 1034.140750][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1034.140750][ T10] addrconf_add_dev+0xe2/0x170 [ 1034.140750][ T10] inet6_addr_add+0x12f/0xa40 [ 1034.140750][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1034.140750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1034.140750][ T10] netlink_rcv_skb+0x130/0x360 [ 1034.140750][ T10] netlink_unicast+0x449/0x710 [ 1034.140750][ T10] netlink_sendmsg+0x723/0xbe0 [ 1034.140750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1034.140750][ T10] ___sys_sendmsg+0xee/0x170 [ 1034.140750][ T10] __sys_sendmsg+0xcd/0x170 [ 1034.140750][ T10] do_syscall_64+0xc6/0x1e0 [ 1034.140750][ T10] [ 1034.142976][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1034.142976][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1034.142976][ T10] ipv6_find_idev+0x102/0x170 [ 1034.142976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1034.142976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1034.142976][ T10] netlink_rcv_skb+0x130/0x360 [ 1034.142976][ T10] netlink_unicast+0x449/0x710 [ 1034.142976][ T10] netlink_sendmsg+0x723/0xbe0 [ 1034.142976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1034.142976][ T10] ___sys_sendmsg+0xee/0x170 [ 1034.142976][ T10] __sys_sendmsg+0xcd/0x170 [ 1034.142976][ T10] do_syscall_64+0xc6/0x1e0 [ 1034.142976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1034.142976][ T10] [ 1034.144716][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1034.144716][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1034.144716][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1034.144716][ T10] ipv6_find_idev+0x102/0x170 [ 1034.144716][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1034.144716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1034.144716][ T10] netlink_rcv_skb+0x130/0x360 [ 1034.144716][ T10] netlink_unicast+0x449/0x710 [ 1034.144716][ T10] netlink_sendmsg+0x723/0xbe0 [ 1034.144716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1034.144716][ T10] ___sys_sendmsg+0xee/0x170 [ 1034.144716][ T10] __sys_sendmsg+0xcd/0x170 [ 1034.144716][ T10] do_syscall_64+0xc6/0x1e0 [ 1034.144716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1034.144716][ T10] [ 1034.146604][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1034.146872][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1034.146872][ T10] netdev_get_by_index+0x5e/0x80 [ 1034.146872][ T10] fib6_nh_init+0x3d8/0x1580 [ 1034.146872][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1034.146872][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1034.146872][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1034.146872][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1034.146872][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1034.146872][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1034.146872][ T10] addrconf_dad_begin+0x310/0x670 [ 1034.146872][ T10] addrconf_dad_work+0x10b/0xab0 [ 1034.146872][ T10] process_one_work+0x84d/0x18a0 [ 1034.146872][ T10] worker_thread+0x587/0xd30 [ 1034.146872][ T10] kthread+0x28a/0x350 [ 1034.146872][ T10] ret_from_fork+0x31/0x70 [ 1034.146872][ T10] ret_from_fork_asm+0x1a/0x30 [ 1034.146872][ T10] [ 1034.149010][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1034.149010][ T10] netdev_get_by_index+0x5e/0x80 [ 1034.149010][ T10] fib6_nh_init+0x3d8/0x1580 [ 1034.149010][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1034.149010][ T10] ip6_route_add+0x1c/0x140 [ 1034.149010][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1034.149010][ T10] inet6_addr_add+0x4f8/0xa40 [ 1034.149010][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1034.149010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1034.149010][ T10] netlink_rcv_skb+0x130/0x360 [ 1034.149010][ T10] netlink_unicast+0x449/0x710 [ 1034.149010][ T10] netlink_sendmsg+0x723/0xbe0 [ 1034.149010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1034.149010][ T10] ___sys_sendmsg+0xee/0x170 [ 1034.149010][ T10] __sys_sendmsg+0xcd/0x170 [ 1034.149010][ T10] do_syscall_64+0xc6/0x1e0 [ 1034.149010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1034.149010][ T10] [ 1034.151949][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1034.151949][ T10] netdev_get_by_index+0x5e/0x80 [ 1034.151949][ T10] fib6_nh_init+0x3d8/0x1580 [ 1034.151949][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1034.151949][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1034.151949][ T10] ipv6_add_addr+0x411/0x2000 [ 1034.151949][ T10] inet6_addr_add+0x30e/0xa40 [ 1034.151949][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1034.151949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1034.151949][ T10] netlink_rcv_skb+0x130/0x360 [ 1034.151949][ T10] netlink_unicast+0x449/0x710 [ 1034.151949][ T10] netlink_sendmsg+0x723/0xbe0 [ 1034.151949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1034.151949][ T10] ___sys_sendmsg+0xee/0x170 [ 1034.151949][ T10] __sys_sendmsg+0xcd/0x170 [ 1034.151949][ T10] do_syscall_64+0xc6/0x1e0 [ 1034.151949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1034.151949][ T10] [ 1034.154448][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1034.154448][ T10] netdev_get_by_index+0x5e/0x80 [ 1034.154448][ T10] fib6_nh_init+0x3d8/0x1580 [ 1034.154448][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1034.154448][ T10] ip6_route_add+0x1c/0x140 [ 1034.154448][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1034.154448][ T10] addrconf_add_dev+0xe2/0x170 [ 1034.154448][ T10] inet6_addr_add+0x12f/0xa40 [ 1034.154448][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1034.154448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1034.154448][ T10] netlink_rcv_skb+0x130/0x360 [ 1034.154448][ T10] netlink_unicast+0x449/0x710 [ 1034.154448][ T10] netlink_sendmsg+0x723/0xbe0 [ 1034.154448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1034.154448][ T10] ___sys_sendmsg+0xee/0x170 [ 1034.154448][ T10] __sys_sendmsg+0xcd/0x170 [ 1034.154448][ T10] do_syscall_64+0xc6/0x1e0 [ 1034.154448][ T10] [ 1034.156777][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1034.156777][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1034.156777][ T10] ipv6_find_idev+0x102/0x170 [ 1034.156777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1034.156777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1034.156777][ T10] netlink_rcv_skb+0x130/0x360 [ 1034.156777][ T10] netlink_unicast+0x449/0x710 [ 1034.156777][ T10] netlink_sendmsg+0x723/0xbe0 [ 1034.156777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1034.156777][ T10] ___sys_sendmsg+0xee/0x170 [ 1034.156777][ T10] __sys_sendmsg+0xcd/0x170 [ 1034.156777][ T10] do_syscall_64+0xc6/0x1e0 [ 1034.156777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1034.156777][ T10] [ 1034.158640][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1034.158640][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1034.158640][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1034.158640][ T10] ipv6_find_idev+0x102/0x170 [ 1034.158640][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1034.158640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1034.158640][ T10] netlink_rcv_skb+0x130/0x360 [ 1034.158640][ T10] netlink_unicast+0x449/0x710 [ 1034.158640][ T10] netlink_sendmsg+0x723/0xbe0 [ 1034.158640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1034.158640][ T10] ___sys_sendmsg+0xee/0x170 [ 1034.158640][ T10] __sys_sendmsg+0xcd/0x170 [ 1034.158640][ T10] do_syscall_64+0xc6/0x1e0 [ 1034.158640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1034.158640][ T10] [ 1034.160734][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1034.160993][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1034.160993][ T10] netdev_get_by_index+0x5e/0x80 [ 1034.160993][ T10] fib6_nh_init+0x3d8/0x1580 [ 1034.160993][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1034.160993][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1034.160993][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1034.160993][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1034.160993][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1034.160993][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1034.160993][ T10] addrconf_dad_begin+0x310/0x670 [ 1034.160993][ T10] addrconf_dad_work+0x10b/0xab0 [ 1034.160993][ T10] process_one_work+0x84d/0x18a0 [ 1034.160993][ T10] worker_thread+0x587/0xd30 [ 1034.160993][ T10] kthread+0x28a/0x350 [ 1034.160993][ T10] ret_from_fork+0x31/0x70 [ 1034.160993][ T10] ret_from_fork_asm+0x1a/0x30 [ 1034.160993][ T10] [ 1034.163404][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1034.163404][ T10] netdev_get_by_index+0x5e/0x80 [ 1034.163404][ T10] fib6_nh_init+0x3d8/0x1580 [ 1034.163404][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1034.163404][ T10] ip6_route_add+0x1c/0x140 [ 1034.163404][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1034.163404][ T10] inet6_addr_add+0x4f8/0xa40 [ 1034.163404][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1034.163404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1034.163404][ T10] netlink_rcv_skb+0x130/0x360 [ 1034.163404][ T10] netlink_unicast+0x449/0x710 [ 1034.163404][ T10] netlink_sendmsg+0x723/0xbe0 [ 1034.163404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1034.163404][ T10] ___sys_sendmsg+0xee/0x170 [ 1034.163404][ T10] __sys_sendmsg+0xcd/0x170 [ 1034.163404][ T10] do_syscall_64+0xc6/0x1e0 [ 1034.163404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1034.163404][ T10] [ 1034.165787][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1034.165787][ T10] netdev_get_by_index+0x5e/0x80 [ 1034.165787][ T10] fib6_nh_init+0x3d8/0x1580 [ 1034.165787][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1034.165787][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1034.165787][ T10] ipv6_add_addr+0x411/0x2000 [ 1034.165787][ T10] inet6_addr_add+0x30e/0xa40 [ 1034.165787][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1034.165787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1034.165787][ T10] netlink_rcv_skb+0x130/0x360 [ 1034.165787][ T10] netlink_unicast+0x449/0x710 [ 1034.165787][ T10] netlink_sendmsg+0x723/0xbe0 [ 1034.165787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1034.165787][ T10] ___sys_sendmsg+0xee/0x170 [ 1034.165787][ T10] __sys_sendmsg+0xcd/0x170 [ 1034.165787][ T10] do_syscall_64+0xc6/0x1e0 [ 1034.165787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1034.165787][ T10] [ 1034.168231][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1034.168231][ T10] netdev_get_by_index+0x5e/0x80 [ 1034.168231][ T10] fib6_nh_init+0x3d8/0x1580 [ 1034.168231][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1034.168231][ T10] ip6_route_add+0x1c/0x140 [ 1034.168231][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1034.168231][ T10] addrconf_add_dev+0xe2/0x170 [ 1034.168231][ T10] inet6_addr_add+0x12f/0xa40 [ 1034.168231][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1034.168231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1034.168231][ T10] netlink_rcv_skb+0x130/0x360 [ 1034.168231][ T10] netlink_unicast+0x449/0x710 [ 1034.168231][ T10] netlink_sendmsg+0x723/0xbe0 [ 1034.168231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1034.168231][ T10] ___sys_sendmsg+0xee/0x170 [ 1034.168231][ T10] __sys_sendmsg+0xcd/0x170 [ 1034.168231][ T10] do_syscall_64+0xc6/0x1e0 [ 1034.168231][ T10] [ 1034.170653][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1034.170653][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1034.170653][ T10] ipv6_find_idev+0x102/0x170 [ 1034.170653][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1034.170653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1034.170653][ T10] netlink_rcv_skb+0x130/0x360 [ 1034.170653][ T10] netlink_unicast+0x449/0x710 [ 1034.170653][ T10] netlink_sendmsg+0x723/0xbe0 [ 1034.170653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1034.170653][ T10] ___sys_sendmsg+0xee/0x170 [ 1034.170653][ T10] __sys_sendmsg+0xcd/0x170 [ 1034.170653][ T10] do_syscall_64+0xc6/0x1e0 [ 1034.170653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1034.170653][ T10] [ 1034.172536][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1034.172536][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1034.172536][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1034.172536][ T10] ipv6_find_idev+0x102/0x170 [ 1034.172536][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1034.172536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1034.172536][ T10] netlink_rcv_skb+0x130/0x360 [ 1034.172536][ T10] netlink_unicast+0x449/0x710 [ 1034.172536][ T10] netlink_sendmsg+0x723/0xbe0 [ 1034.172536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1034.172536][ T10] ___sys_sendmsg+0xee/0x170 [ 1034.172536][ T10] __sys_sendmsg+0xcd/0x170 [ 1034.172536][ T10] do_syscall_64+0xc6/0x1e0 [ 1034.172536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1034.172536][ T10] [ 1043.041157][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1043.041690][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1043.041690][ T1167] dst_init+0x84/0x4a0 [ 1043.041690][ T1167] dst_alloc+0x97/0x150 [ 1043.041690][ T1167] ip6_dst_alloc+0x23/0x90 [ 1043.041690][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1043.041690][ T1167] ip6_pol_route+0x56f/0x840 [ 1043.041690][ T1167] fib6_rule_lookup+0x334/0x630 [ 1043.041690][ T1167] ip6_route_output_flags+0x259/0x480 [ 1043.041690][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1043.041690][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1043.041690][ T1167] netlink_rcv_skb+0x130/0x360 [ 1043.041690][ T1167] netlink_unicast+0x449/0x710 [ 1043.041690][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1043.041690][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1043.041690][ T1167] ___sys_sendmsg+0xee/0x170 [ 1043.041690][ T1167] __sys_sendmsg+0xcd/0x170 [ 1043.041690][ T1167] do_syscall_64+0xc6/0x1e0 [ 1043.041690][ T1167] [ 1043.043926][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1043.043926][ T1167] netdev_get_by_index+0x5e/0x80 [ 1043.043926][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1043.043926][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1043.043926][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1043.043926][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1043.043926][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1043.043926][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1043.043926][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1043.043926][ T1167] addrconf_dad_begin+0x310/0x670 [ 1043.043926][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1043.043926][ T1167] process_one_work+0x84d/0x18a0 [ 1043.043926][ T1167] worker_thread+0x587/0xd30 [ 1043.043926][ T1167] kthread+0x28a/0x350 [ 1043.043926][ T1167] ret_from_fork+0x31/0x70 [ 1043.043926][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1043.043926][ T1167] [ 1043.046116][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1043.046116][ T1167] netdev_get_by_index+0x5e/0x80 [ 1043.046116][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1043.046116][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1043.046116][ T1167] ip6_route_add+0x1c/0x140 [ 1043.046116][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1043.046116][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1043.046116][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1043.046116][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.046116][ T1167] netlink_rcv_skb+0x130/0x360 [ 1043.046116][ T1167] netlink_unicast+0x449/0x710 [ 1043.046116][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1043.046116][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1043.046116][ T1167] ___sys_sendmsg+0xee/0x170 [ 1043.046116][ T1167] __sys_sendmsg+0xcd/0x170 [ 1043.046116][ T1167] do_syscall_64+0xc6/0x1e0 [ 1043.046116][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1043.046116][ T1167] [ 1043.048374][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1043.048374][ T1167] netdev_get_by_index+0x5e/0x80 [ 1043.048374][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1043.048374][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1043.048374][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1043.048374][ T1167] ipv6_add_addr+0x411/0x2000 [ 1043.048374][ T1167] inet6_addr_add+0x30e/0xa40 [ 1043.048374][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1043.048374][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.048374][ T1167] netlink_rcv_skb+0x130/0x360 [ 1043.048374][ T1167] netlink_unicast+0x449/0x710 [ 1043.048374][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1043.048374][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1043.048374][ T1167] ___sys_sendmsg+0xee/0x170 [ 1043.048374][ T1167] __sys_sendmsg+0xcd/0x170 [ 1043.048374][ T1167] do_syscall_64+0xc6/0x1e0 [ 1043.048374][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1043.048374][ T1167] [ 1043.050646][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1043.050646][ T1167] netdev_get_by_index+0x5e/0x80 [ 1043.050646][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1043.050646][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1043.050646][ T1167] ip6_route_add+0x1c/0x140 [ 1043.050646][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1043.050646][ T1167] addrconf_add_dev+0xe2/0x170 [ 1043.050646][ T1167] inet6_addr_add+0x12f/0xa40 [ 1043.050646][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1043.050646][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.050646][ T1167] netlink_rcv_skb+0x130/0x360 [ 1043.050646][ T1167] netlink_unicast+0x449/0x710 [ 1043.050646][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1043.050646][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1043.050646][ T1167] ___sys_sendmsg+0xee/0x170 [ 1043.050646][ T1167] __sys_sendmsg+0xcd/0x170 [ 1043.050646][ T1167] do_syscall_64+0xc6/0x1e0 [ 1043.050646][ T1167] [ 1043.053405][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1043.053405][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1043.053405][ T1167] ipv6_find_idev+0x102/0x170 [ 1043.053405][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1043.053405][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.053405][ T1167] netlink_rcv_skb+0x130/0x360 [ 1043.053405][ T1167] netlink_unicast+0x449/0x710 [ 1043.053405][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1043.053405][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1043.053405][ T1167] ___sys_sendmsg+0xee/0x170 [ 1043.053405][ T1167] __sys_sendmsg+0xcd/0x170 [ 1043.053405][ T1167] do_syscall_64+0xc6/0x1e0 [ 1043.053405][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1043.053405][ T1167] [ 1043.055151][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1043.055151][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1043.055151][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1043.055151][ T1167] ipv6_find_idev+0x102/0x170 [ 1043.055151][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1043.055151][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.055151][ T1167] netlink_rcv_skb+0x130/0x360 [ 1043.055151][ T1167] netlink_unicast+0x449/0x710 [ 1043.055151][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1043.055151][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1043.055151][ T1167] ___sys_sendmsg+0xee/0x170 [ 1043.055151][ T1167] __sys_sendmsg+0xcd/0x170 [ 1043.055151][ T1167] do_syscall_64+0xc6/0x1e0 [ 1043.055151][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1043.055151][ T1167] [ 1044.417251][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1044.417726][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1044.417726][ T10] netdev_get_by_index+0x5e/0x80 [ 1044.417726][ T10] fib6_nh_init+0x3d8/0x1580 [ 1044.417726][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1044.417726][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1044.417726][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1044.417726][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1044.417726][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1044.417726][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1044.417726][ T10] addrconf_dad_begin+0x310/0x670 [ 1044.417726][ T10] addrconf_dad_work+0x10b/0xab0 [ 1044.417726][ T10] process_one_work+0x84d/0x18a0 [ 1044.417726][ T10] worker_thread+0x587/0xd30 [ 1044.417726][ T10] kthread+0x28a/0x350 [ 1044.417726][ T10] ret_from_fork+0x31/0x70 [ 1044.417726][ T10] ret_from_fork_asm+0x1a/0x30 [ 1044.417726][ T10] [ 1044.419876][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1044.419876][ T10] netdev_get_by_index+0x5e/0x80 [ 1044.419876][ T10] fib6_nh_init+0x3d8/0x1580 [ 1044.419876][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1044.419876][ T10] ip6_route_add+0x1c/0x140 [ 1044.419876][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1044.419876][ T10] inet6_addr_add+0x4f8/0xa40 [ 1044.419876][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1044.419876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1044.419876][ T10] netlink_rcv_skb+0x130/0x360 [ 1044.419876][ T10] netlink_unicast+0x449/0x710 [ 1044.419876][ T10] netlink_sendmsg+0x723/0xbe0 [ 1044.419876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1044.419876][ T10] ___sys_sendmsg+0xee/0x170 [ 1044.419876][ T10] __sys_sendmsg+0xcd/0x170 [ 1044.419876][ T10] do_syscall_64+0xc6/0x1e0 [ 1044.419876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1044.419876][ T10] [ 1044.422088][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1044.422088][ T10] netdev_get_by_index+0x5e/0x80 [ 1044.422088][ T10] fib6_nh_init+0x3d8/0x1580 [ 1044.422088][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1044.422088][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1044.422088][ T10] ipv6_add_addr+0x411/0x2000 [ 1044.422088][ T10] inet6_addr_add+0x30e/0xa40 [ 1044.422088][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1044.422088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1044.422088][ T10] netlink_rcv_skb+0x130/0x360 [ 1044.422088][ T10] netlink_unicast+0x449/0x710 [ 1044.422088][ T10] netlink_sendmsg+0x723/0xbe0 [ 1044.422088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1044.422088][ T10] ___sys_sendmsg+0xee/0x170 [ 1044.422088][ T10] __sys_sendmsg+0xcd/0x170 [ 1044.422088][ T10] do_syscall_64+0xc6/0x1e0 [ 1044.422088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1044.422088][ T10] [ 1044.424293][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1044.424293][ T10] netdev_get_by_index+0x5e/0x80 [ 1044.424293][ T10] fib6_nh_init+0x3d8/0x1580 [ 1044.424293][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1044.424293][ T10] ip6_route_add+0x1c/0x140 [ 1044.424293][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1044.424293][ T10] addrconf_add_dev+0xe2/0x170 [ 1044.424293][ T10] inet6_addr_add+0x12f/0xa40 [ 1044.424293][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1044.424293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1044.424293][ T10] netlink_rcv_skb+0x130/0x360 [ 1044.424293][ T10] netlink_unicast+0x449/0x710 [ 1044.424293][ T10] netlink_sendmsg+0x723/0xbe0 [ 1044.424293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1044.424293][ T10] ___sys_sendmsg+0xee/0x170 [ 1044.424293][ T10] __sys_sendmsg+0xcd/0x170 [ 1044.424293][ T10] do_syscall_64+0xc6/0x1e0 [ 1044.424293][ T10] [ 1044.426476][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1044.426476][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1044.426476][ T10] ipv6_find_idev+0x102/0x170 [ 1044.426476][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1044.426476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1044.426476][ T10] netlink_rcv_skb+0x130/0x360 [ 1044.426476][ T10] netlink_unicast+0x449/0x710 [ 1044.426476][ T10] netlink_sendmsg+0x723/0xbe0 [ 1044.426476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1044.426476][ T10] ___sys_sendmsg+0xee/0x170 [ 1044.426476][ T10] __sys_sendmsg+0xcd/0x170 [ 1044.426476][ T10] do_syscall_64+0xc6/0x1e0 [ 1044.426476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1044.426476][ T10] [ 1044.428185][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1044.428185][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1044.428185][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1044.428185][ T10] ipv6_find_idev+0x102/0x170 [ 1044.428185][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1044.428185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1044.428185][ T10] netlink_rcv_skb+0x130/0x360 [ 1044.428185][ T10] netlink_unicast+0x449/0x710 [ 1044.428185][ T10] netlink_sendmsg+0x723/0xbe0 [ 1044.428185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1044.428185][ T10] ___sys_sendmsg+0xee/0x170 [ 1044.428185][ T10] __sys_sendmsg+0xcd/0x170 [ 1044.428185][ T10] do_syscall_64+0xc6/0x1e0 [ 1044.428185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1044.428185][ T10] [ 1044.430063][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1044.430337][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1044.430337][ T10] netdev_get_by_index+0x5e/0x80 [ 1044.430337][ T10] fib6_nh_init+0x3d8/0x1580 [ 1044.430337][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1044.430337][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1044.430337][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1044.430337][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1044.430337][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1044.430337][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1044.430337][ T10] addrconf_dad_begin+0x310/0x670 [ 1044.430337][ T10] addrconf_dad_work+0x10b/0xab0 [ 1044.430337][ T10] process_one_work+0x84d/0x18a0 [ 1044.430337][ T10] worker_thread+0x587/0xd30 [ 1044.430337][ T10] kthread+0x28a/0x350 [ 1044.430337][ T10] ret_from_fork+0x31/0x70 [ 1044.430337][ T10] ret_from_fork_asm+0x1a/0x30 [ 1044.430337][ T10] [ 1044.432458][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1044.432458][ T10] netdev_get_by_index+0x5e/0x80 [ 1044.432458][ T10] fib6_nh_init+0x3d8/0x1580 [ 1044.432458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1044.432458][ T10] ip6_route_add+0x1c/0x140 [ 1044.432458][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1044.432458][ T10] inet6_addr_add+0x4f8/0xa40 [ 1044.432458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1044.432458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1044.432458][ T10] netlink_rcv_skb+0x130/0x360 [ 1044.432458][ T10] netlink_unicast+0x449/0x710 [ 1044.432458][ T10] netlink_sendmsg+0x723/0xbe0 [ 1044.432458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1044.432458][ T10] ___sys_sendmsg+0xee/0x170 [ 1044.432458][ T10] __sys_sendmsg+0xcd/0x170 [ 1044.432458][ T10] do_syscall_64+0xc6/0x1e0 [ 1044.432458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1044.432458][ T10] [ 1044.434676][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1044.434676][ T10] netdev_get_by_index+0x5e/0x80 [ 1044.434676][ T10] fib6_nh_init+0x3d8/0x1580 [ 1044.434676][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1044.434676][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1044.434676][ T10] ipv6_add_addr+0x411/0x2000 [ 1044.434676][ T10] inet6_addr_add+0x30e/0xa40 [ 1044.434676][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1044.434676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1044.434676][ T10] netlink_rcv_skb+0x130/0x360 [ 1044.434676][ T10] netlink_unicast+0x449/0x710 [ 1044.434676][ T10] netlink_sendmsg+0x723/0xbe0 [ 1044.434676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1044.434676][ T10] ___sys_sendmsg+0xee/0x170 [ 1044.434676][ T10] __sys_sendmsg+0xcd/0x170 [ 1044.434676][ T10] do_syscall_64+0xc6/0x1e0 [ 1044.434676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1044.434676][ T10] [ 1044.436881][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1044.436881][ T10] netdev_get_by_index+0x5e/0x80 [ 1044.436881][ T10] fib6_nh_init+0x3d8/0x1580 [ 1044.436881][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1044.436881][ T10] ip6_route_add+0x1c/0x140 [ 1044.436881][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1044.436881][ T10] addrconf_add_dev+0xe2/0x170 [ 1044.436881][ T10] inet6_addr_add+0x12f/0xa40 [ 1044.436881][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1044.436881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1044.436881][ T10] netlink_rcv_skb+0x130/0x360 [ 1044.436881][ T10] netlink_unicast+0x449/0x710 [ 1044.436881][ T10] netlink_sendmsg+0x723/0xbe0 [ 1044.436881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1044.436881][ T10] ___sys_sendmsg+0xee/0x170 [ 1044.436881][ T10] __sys_sendmsg+0xcd/0x170 [ 1044.436881][ T10] do_syscall_64+0xc6/0x1e0 [ 1044.436881][ T10] [ 1044.439054][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1044.439054][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1044.439054][ T10] ipv6_find_idev+0x102/0x170 [ 1044.439054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1044.439054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1044.439054][ T10] netlink_rcv_skb+0x130/0x360 [ 1044.439054][ T10] netlink_unicast+0x449/0x710 [ 1044.439054][ T10] netlink_sendmsg+0x723/0xbe0 [ 1044.439054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1044.439054][ T10] ___sys_sendmsg+0xee/0x170 [ 1044.439054][ T10] __sys_sendmsg+0xcd/0x170 [ 1044.439054][ T10] do_syscall_64+0xc6/0x1e0 [ 1044.439054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1044.439054][ T10] [ 1044.440772][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1044.440772][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1044.440772][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1044.440772][ T10] ipv6_find_idev+0x102/0x170 [ 1044.440772][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1044.440772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1044.440772][ T10] netlink_rcv_skb+0x130/0x360 [ 1044.440772][ T10] netlink_unicast+0x449/0x710 [ 1044.440772][ T10] netlink_sendmsg+0x723/0xbe0 [ 1044.440772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1044.440772][ T10] ___sys_sendmsg+0xee/0x170 [ 1044.440772][ T10] __sys_sendmsg+0xcd/0x170 [ 1044.440772][ T10] do_syscall_64+0xc6/0x1e0 [ 1044.440772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1044.440772][ T10] [ 1044.442637][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1044.442912][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1044.442912][ T10] netdev_get_by_index+0x5e/0x80 [ 1044.442912][ T10] fib6_nh_init+0x3d8/0x1580 [ 1044.442912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1044.442912][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1044.442912][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1044.442912][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1044.442912][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1044.442912][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1044.442912][ T10] addrconf_dad_begin+0x310/0x670 [ 1044.442912][ T10] addrconf_dad_work+0x10b/0xab0 [ 1044.442912][ T10] process_one_work+0x84d/0x18a0 [ 1044.442912][ T10] worker_thread+0x587/0xd30 [ 1044.442912][ T10] kthread+0x28a/0x350 [ 1044.442912][ T10] ret_from_fork+0x31/0x70 [ 1044.442912][ T10] ret_from_fork_asm+0x1a/0x30 [ 1044.442912][ T10] [ 1044.445038][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1044.445038][ T10] netdev_get_by_index+0x5e/0x80 [ 1044.445038][ T10] fib6_nh_init+0x3d8/0x1580 [ 1044.445038][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1044.445038][ T10] ip6_route_add+0x1c/0x140 [ 1044.445038][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1044.445038][ T10] inet6_addr_add+0x4f8/0xa40 [ 1044.445038][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1044.445038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1044.445038][ T10] netlink_rcv_skb+0x130/0x360 [ 1044.445038][ T10] netlink_unicast+0x449/0x710 [ 1044.445038][ T10] netlink_sendmsg+0x723/0xbe0 [ 1044.445038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1044.445038][ T10] ___sys_sendmsg+0xee/0x170 [ 1044.445038][ T10] __sys_sendmsg+0xcd/0x170 [ 1044.445038][ T10] do_syscall_64+0xc6/0x1e0 [ 1044.445038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1044.445038][ T10] [ 1044.447433][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1044.447433][ T10] netdev_get_by_index+0x5e/0x80 [ 1044.447433][ T10] fib6_nh_init+0x3d8/0x1580 [ 1044.447433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1044.447433][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1044.447433][ T10] ipv6_add_addr+0x411/0x2000 [ 1044.447433][ T10] inet6_addr_add+0x30e/0xa40 [ 1044.447433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1044.447433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1044.447433][ T10] netlink_rcv_skb+0x130/0x360 [ 1044.447433][ T10] netlink_unicast+0x449/0x710 [ 1044.447433][ T10] netlink_sendmsg+0x723/0xbe0 [ 1044.447433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1044.447433][ T10] ___sys_sendmsg+0xee/0x170 [ 1044.447433][ T10] __sys_sendmsg+0xcd/0x170 [ 1044.447433][ T10] do_syscall_64+0xc6/0x1e0 [ 1044.447433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1044.447433][ T10] [ 1044.449941][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1044.449941][ T10] netdev_get_by_index+0x5e/0x80 [ 1044.449941][ T10] fib6_nh_init+0x3d8/0x1580 [ 1044.449941][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1044.449941][ T10] ip6_route_add+0x1c/0x140 [ 1044.449941][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1044.449941][ T10] addrconf_add_dev+0xe2/0x170 [ 1044.449941][ T10] inet6_addr_add+0x12f/0xa40 [ 1044.449941][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1044.449941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1044.449941][ T10] netlink_rcv_skb+0x130/0x360 [ 1044.449941][ T10] netlink_unicast+0x449/0x710 [ 1044.449941][ T10] netlink_sendmsg+0x723/0xbe0 [ 1044.449941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1044.449941][ T10] ___sys_sendmsg+0xee/0x170 [ 1044.449941][ T10] __sys_sendmsg+0xcd/0x170 [ 1044.449941][ T10] do_syscall_64+0xc6/0x1e0 [ 1044.449941][ T10] [ 1044.452289][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1044.452289][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1044.452289][ T10] ipv6_find_idev+0x102/0x170 [ 1044.452289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1044.452289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1044.452289][ T10] netlink_rcv_skb+0x130/0x360 [ 1044.452289][ T10] netlink_unicast+0x449/0x710 [ 1044.452289][ T10] netlink_sendmsg+0x723/0xbe0 [ 1044.452289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1044.452289][ T10] ___sys_sendmsg+0xee/0x170 [ 1044.452289][ T10] __sys_sendmsg+0xcd/0x170 [ 1044.452289][ T10] do_syscall_64+0xc6/0x1e0 [ 1044.452289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1044.452289][ T10] [ 1044.454190][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1044.454190][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1044.454190][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1044.454190][ T10] ipv6_find_idev+0x102/0x170 [ 1044.454190][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1044.454190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1044.454190][ T10] netlink_rcv_skb+0x130/0x360 [ 1044.454190][ T10] netlink_unicast+0x449/0x710 [ 1044.454190][ T10] netlink_sendmsg+0x723/0xbe0 [ 1044.454190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1044.454190][ T10] ___sys_sendmsg+0xee/0x170 [ 1044.454190][ T10] __sys_sendmsg+0xcd/0x170 [ 1044.454190][ T10] do_syscall_64+0xc6/0x1e0 [ 1044.454190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1044.454190][ T10] [ 1044.456317][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1044.456575][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1044.456575][ T10] netdev_get_by_index+0x5e/0x80 [ 1044.456575][ T10] fib6_nh_init+0x3d8/0x1580 [ 1044.456575][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1044.456575][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1044.456575][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1044.456575][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1044.456575][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1044.456575][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1044.456575][ T10] addrconf_dad_begin+0x310/0x670 [ 1044.456575][ T10] addrconf_dad_work+0x10b/0xab0 [ 1044.456575][ T10] process_one_work+0x84d/0x18a0 [ 1044.456575][ T10] worker_thread+0x587/0xd30 [ 1044.456575][ T10] kthread+0x28a/0x350 [ 1044.456575][ T10] ret_from_fork+0x31/0x70 [ 1044.456575][ T10] ret_from_fork_asm+0x1a/0x30 [ 1044.456575][ T10] [ 1044.459002][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1044.459002][ T10] netdev_get_by_index+0x5e/0x80 [ 1044.459002][ T10] fib6_nh_init+0x3d8/0x1580 [ 1044.459002][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1044.459002][ T10] ip6_route_add+0x1c/0x140 [ 1044.459002][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1044.459002][ T10] inet6_addr_add+0x4f8/0xa40 [ 1044.459002][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1044.459002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1044.459002][ T10] netlink_rcv_skb+0x130/0x360 [ 1044.459002][ T10] netlink_unicast+0x449/0x710 [ 1044.459002][ T10] netlink_sendmsg+0x723/0xbe0 [ 1044.459002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1044.459002][ T10] ___sys_sendmsg+0xee/0x170 [ 1044.459002][ T10] __sys_sendmsg+0xcd/0x170 [ 1044.459002][ T10] do_syscall_64+0xc6/0x1e0 [ 1044.459002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1044.459002][ T10] [ 1044.461378][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1044.461378][ T10] netdev_get_by_index+0x5e/0x80 [ 1044.461378][ T10] fib6_nh_init+0x3d8/0x1580 [ 1044.461378][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1044.461378][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1044.461378][ T10] ipv6_add_addr+0x411/0x2000 [ 1044.461378][ T10] inet6_addr_add+0x30e/0xa40 [ 1044.461378][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1044.461378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1044.461378][ T10] netlink_rcv_skb+0x130/0x360 [ 1044.461378][ T10] netlink_unicast+0x449/0x710 [ 1044.461378][ T10] netlink_sendmsg+0x723/0xbe0 [ 1044.461378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1044.461378][ T10] ___sys_sendmsg+0xee/0x170 [ 1044.461378][ T10] __sys_sendmsg+0xcd/0x170 [ 1044.461378][ T10] do_syscall_64+0xc6/0x1e0 [ 1044.461378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1044.461378][ T10] [ 1044.463842][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1044.463842][ T10] netdev_get_by_index+0x5e/0x80 [ 1044.463842][ T10] fib6_nh_init+0x3d8/0x1580 [ 1044.463842][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1044.463842][ T10] ip6_route_add+0x1c/0x140 [ 1044.463842][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1044.463842][ T10] addrconf_add_dev+0xe2/0x170 [ 1044.463842][ T10] inet6_addr_add+0x12f/0xa40 [ 1044.463842][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1044.463842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1044.463842][ T10] netlink_rcv_skb+0x130/0x360 [ 1044.463842][ T10] netlink_unicast+0x449/0x710 [ 1044.463842][ T10] netlink_sendmsg+0x723/0xbe0 [ 1044.463842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1044.463842][ T10] ___sys_sendmsg+0xee/0x170 [ 1044.463842][ T10] __sys_sendmsg+0xcd/0x170 [ 1044.463842][ T10] do_syscall_64+0xc6/0x1e0 [ 1044.463842][ T10] [ 1044.466264][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1044.466264][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1044.466264][ T10] ipv6_find_idev+0x102/0x170 [ 1044.466264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1044.466264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1044.466264][ T10] netlink_rcv_skb+0x130/0x360 [ 1044.466264][ T10] netlink_unicast+0x449/0x710 [ 1044.466264][ T10] netlink_sendmsg+0x723/0xbe0 [ 1044.466264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1044.466264][ T10] ___sys_sendmsg+0xee/0x170 [ 1044.466264][ T10] __sys_sendmsg+0xcd/0x170 [ 1044.466264][ T10] do_syscall_64+0xc6/0x1e0 [ 1044.466264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1044.466264][ T10] [ 1044.468143][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1044.468143][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1044.468143][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1044.468143][ T10] ipv6_find_idev+0x102/0x170 [ 1044.468143][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1044.468143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1044.468143][ T10] netlink_rcv_skb+0x130/0x360 [ 1044.468143][ T10] netlink_unicast+0x449/0x710 [ 1044.468143][ T10] netlink_sendmsg+0x723/0xbe0 [ 1044.468143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1044.468143][ T10] ___sys_sendmsg+0xee/0x170 [ 1044.468143][ T10] __sys_sendmsg+0xcd/0x170 [ 1044.468143][ T10] do_syscall_64+0xc6/0x1e0 [ 1044.468143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1044.468143][ T10] [ 1053.305212][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1053.305819][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1053.305819][ T1167] dst_init+0x84/0x4a0 [ 1053.305819][ T1167] dst_alloc+0x97/0x150 [ 1053.305819][ T1167] ip6_dst_alloc+0x23/0x90 [ 1053.305819][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1053.305819][ T1167] ip6_pol_route+0x56f/0x840 [ 1053.305819][ T1167] fib6_rule_lookup+0x334/0x630 [ 1053.305819][ T1167] ip6_route_output_flags+0x259/0x480 [ 1053.305819][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1053.305819][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1053.305819][ T1167] netlink_rcv_skb+0x130/0x360 [ 1053.305819][ T1167] netlink_unicast+0x449/0x710 [ 1053.305819][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1053.305819][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1053.305819][ T1167] ___sys_sendmsg+0xee/0x170 [ 1053.305819][ T1167] __sys_sendmsg+0xcd/0x170 [ 1053.305819][ T1167] do_syscall_64+0xc6/0x1e0 [ 1053.305819][ T1167] [ 1053.309149][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1053.309149][ T1167] netdev_get_by_index+0x5e/0x80 [ 1053.309149][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1053.309149][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1053.309149][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1053.309149][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1053.309149][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1053.309149][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1053.309149][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1053.309149][ T1167] addrconf_dad_begin+0x310/0x670 [ 1053.309149][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1053.309149][ T1167] process_one_work+0x84d/0x18a0 [ 1053.309149][ T1167] worker_thread+0x587/0xd30 [ 1053.309149][ T1167] kthread+0x28a/0x350 [ 1053.309149][ T1167] ret_from_fork+0x31/0x70 [ 1053.309149][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1053.309149][ T1167] [ 1053.312626][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1053.312626][ T1167] netdev_get_by_index+0x5e/0x80 [ 1053.312626][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1053.312626][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1053.312626][ T1167] ip6_route_add+0x1c/0x140 [ 1053.312626][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1053.312626][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1053.312626][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1053.312626][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.312626][ T1167] netlink_rcv_skb+0x130/0x360 [ 1053.312626][ T1167] netlink_unicast+0x449/0x710 [ 1053.312626][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1053.312626][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1053.312626][ T1167] ___sys_sendmsg+0xee/0x170 [ 1053.312626][ T1167] __sys_sendmsg+0xcd/0x170 [ 1053.312626][ T1167] do_syscall_64+0xc6/0x1e0 [ 1053.312626][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.312626][ T1167] [ 1053.315578][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1053.315578][ T1167] netdev_get_by_index+0x5e/0x80 [ 1053.315578][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1053.315578][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1053.315578][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1053.315578][ T1167] ipv6_add_addr+0x411/0x2000 [ 1053.315578][ T1167] inet6_addr_add+0x30e/0xa40 [ 1053.315578][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1053.315578][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.315578][ T1167] netlink_rcv_skb+0x130/0x360 [ 1053.315578][ T1167] netlink_unicast+0x449/0x710 [ 1053.315578][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1053.315578][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1053.315578][ T1167] ___sys_sendmsg+0xee/0x170 [ 1053.315578][ T1167] __sys_sendmsg+0xcd/0x170 [ 1053.315578][ T1167] do_syscall_64+0xc6/0x1e0 [ 1053.315578][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.315578][ T1167] [ 1053.318298][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1053.318298][ T1167] netdev_get_by_index+0x5e/0x80 [ 1053.318298][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1053.318298][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1053.318298][ T1167] ip6_route_add+0x1c/0x140 [ 1053.318298][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1053.318298][ T1167] addrconf_add_dev+0xe2/0x170 [ 1053.318298][ T1167] inet6_addr_add+0x12f/0xa40 [ 1053.318298][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1053.318298][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.318298][ T1167] netlink_rcv_skb+0x130/0x360 [ 1053.318298][ T1167] netlink_unicast+0x449/0x710 [ 1053.318298][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1053.318298][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1053.318298][ T1167] ___sys_sendmsg+0xee/0x170 [ 1053.318298][ T1167] __sys_sendmsg+0xcd/0x170 [ 1053.318298][ T1167] do_syscall_64+0xc6/0x1e0 [ 1053.318298][ T1167] [ 1053.320708][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1053.320708][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1053.320708][ T1167] ipv6_find_idev+0x102/0x170 [ 1053.320708][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1053.320708][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.320708][ T1167] netlink_rcv_skb+0x130/0x360 [ 1053.320708][ T1167] netlink_unicast+0x449/0x710 [ 1053.320708][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1053.320708][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1053.320708][ T1167] ___sys_sendmsg+0xee/0x170 [ 1053.320708][ T1167] __sys_sendmsg+0xcd/0x170 [ 1053.320708][ T1167] do_syscall_64+0xc6/0x1e0 [ 1053.320708][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.320708][ T1167] [ 1053.322726][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1053.322726][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1053.322726][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1053.322726][ T1167] ipv6_find_idev+0x102/0x170 [ 1053.322726][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1053.322726][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.322726][ T1167] netlink_rcv_skb+0x130/0x360 [ 1053.322726][ T1167] netlink_unicast+0x449/0x710 [ 1053.322726][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1053.322726][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1053.322726][ T1167] ___sys_sendmsg+0xee/0x170 [ 1053.322726][ T1167] __sys_sendmsg+0xcd/0x170 [ 1053.322726][ T1167] do_syscall_64+0xc6/0x1e0 [ 1053.322726][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.322726][ T1167] [ 1054.585256][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1054.585758][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1054.585758][ T10] netdev_get_by_index+0x5e/0x80 [ 1054.585758][ T10] fib6_nh_init+0x3d8/0x1580 [ 1054.585758][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1054.585758][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1054.585758][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1054.585758][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1054.585758][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1054.585758][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1054.585758][ T10] addrconf_dad_begin+0x310/0x670 [ 1054.585758][ T10] addrconf_dad_work+0x10b/0xab0 [ 1054.585758][ T10] process_one_work+0x84d/0x18a0 [ 1054.585758][ T10] worker_thread+0x587/0xd30 [ 1054.585758][ T10] kthread+0x28a/0x350 [ 1054.585758][ T10] ret_from_fork+0x31/0x70 [ 1054.585758][ T10] ret_from_fork_asm+0x1a/0x30 [ 1054.585758][ T10] [ 1054.587884][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1054.587884][ T10] netdev_get_by_index+0x5e/0x80 [ 1054.587884][ T10] fib6_nh_init+0x3d8/0x1580 [ 1054.587884][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1054.587884][ T10] ip6_route_add+0x1c/0x140 [ 1054.587884][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1054.587884][ T10] inet6_addr_add+0x4f8/0xa40 [ 1054.587884][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1054.587884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1054.587884][ T10] netlink_rcv_skb+0x130/0x360 [ 1054.587884][ T10] netlink_unicast+0x449/0x710 [ 1054.587884][ T10] netlink_sendmsg+0x723/0xbe0 [ 1054.587884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1054.587884][ T10] ___sys_sendmsg+0xee/0x170 [ 1054.587884][ T10] __sys_sendmsg+0xcd/0x170 [ 1054.587884][ T10] do_syscall_64+0xc6/0x1e0 [ 1054.587884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1054.587884][ T10] [ 1054.589898][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1054.589898][ T10] netdev_get_by_index+0x5e/0x80 [ 1054.589898][ T10] fib6_nh_init+0x3d8/0x1580 [ 1054.589898][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1054.589898][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1054.589898][ T10] ipv6_add_addr+0x411/0x2000 [ 1054.589898][ T10] inet6_addr_add+0x30e/0xa40 [ 1054.589898][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1054.589898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1054.589898][ T10] netlink_rcv_skb+0x130/0x360 [ 1054.589898][ T10] netlink_unicast+0x449/0x710 [ 1054.589898][ T10] netlink_sendmsg+0x723/0xbe0 [ 1054.589898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1054.589898][ T10] ___sys_sendmsg+0xee/0x170 [ 1054.589898][ T10] __sys_sendmsg+0xcd/0x170 [ 1054.589898][ T10] do_syscall_64+0xc6/0x1e0 [ 1054.589898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1054.589898][ T10] [ 1054.591909][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1054.591909][ T10] netdev_get_by_index+0x5e/0x80 [ 1054.591909][ T10] fib6_nh_init+0x3d8/0x1580 [ 1054.591909][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1054.591909][ T10] ip6_route_add+0x1c/0x140 [ 1054.591909][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1054.591909][ T10] addrconf_add_dev+0xe2/0x170 [ 1054.591909][ T10] inet6_addr_add+0x12f/0xa40 [ 1054.591909][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1054.591909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1054.591909][ T10] netlink_rcv_skb+0x130/0x360 [ 1054.591909][ T10] netlink_unicast+0x449/0x710 [ 1054.591909][ T10] netlink_sendmsg+0x723/0xbe0 [ 1054.591909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1054.591909][ T10] ___sys_sendmsg+0xee/0x170 [ 1054.591909][ T10] __sys_sendmsg+0xcd/0x170 [ 1054.591909][ T10] do_syscall_64+0xc6/0x1e0 [ 1054.591909][ T10] [ 1054.593907][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1054.593907][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1054.593907][ T10] ipv6_find_idev+0x102/0x170 [ 1054.593907][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1054.593907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1054.593907][ T10] netlink_rcv_skb+0x130/0x360 [ 1054.593907][ T10] netlink_unicast+0x449/0x710 [ 1054.593907][ T10] netlink_sendmsg+0x723/0xbe0 [ 1054.593907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1054.593907][ T10] ___sys_sendmsg+0xee/0x170 [ 1054.593907][ T10] __sys_sendmsg+0xcd/0x170 [ 1054.593907][ T10] do_syscall_64+0xc6/0x1e0 [ 1054.593907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1054.593907][ T10] [ 1054.595488][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1054.595488][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1054.595488][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1054.595488][ T10] ipv6_find_idev+0x102/0x170 [ 1054.595488][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1054.595488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1054.595488][ T10] netlink_rcv_skb+0x130/0x360 [ 1054.595488][ T10] netlink_unicast+0x449/0x710 [ 1054.595488][ T10] netlink_sendmsg+0x723/0xbe0 [ 1054.595488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1054.595488][ T10] ___sys_sendmsg+0xee/0x170 [ 1054.595488][ T10] __sys_sendmsg+0xcd/0x170 [ 1054.595488][ T10] do_syscall_64+0xc6/0x1e0 [ 1054.595488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1054.595488][ T10] [ 1054.597226][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1054.597488][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1054.597488][ T10] netdev_get_by_index+0x5e/0x80 [ 1054.597488][ T10] fib6_nh_init+0x3d8/0x1580 [ 1054.597488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1054.597488][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1054.597488][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1054.597488][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1054.597488][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1054.597488][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1054.597488][ T10] addrconf_dad_begin+0x310/0x670 [ 1054.597488][ T10] addrconf_dad_work+0x10b/0xab0 [ 1054.597488][ T10] process_one_work+0x84d/0x18a0 [ 1054.597488][ T10] worker_thread+0x587/0xd30 [ 1054.597488][ T10] kthread+0x28a/0x350 [ 1054.597488][ T10] ret_from_fork+0x31/0x70 [ 1054.597488][ T10] ret_from_fork_asm+0x1a/0x30 [ 1054.597488][ T10] [ 1054.599411][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1054.599411][ T10] netdev_get_by_index+0x5e/0x80 [ 1054.599411][ T10] fib6_nh_init+0x3d8/0x1580 [ 1054.599411][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1054.599411][ T10] ip6_route_add+0x1c/0x140 [ 1054.599411][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1054.599411][ T10] inet6_addr_add+0x4f8/0xa40 [ 1054.599411][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1054.599411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1054.599411][ T10] netlink_rcv_skb+0x130/0x360 [ 1054.599411][ T10] netlink_unicast+0x449/0x710 [ 1054.599411][ T10] netlink_sendmsg+0x723/0xbe0 [ 1054.599411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1054.599411][ T10] ___sys_sendmsg+0xee/0x170 [ 1054.599411][ T10] __sys_sendmsg+0xcd/0x170 [ 1054.599411][ T10] do_syscall_64+0xc6/0x1e0 [ 1054.599411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1054.599411][ T10] [ 1054.601422][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1054.601422][ T10] netdev_get_by_index+0x5e/0x80 [ 1054.601422][ T10] fib6_nh_init+0x3d8/0x1580 [ 1054.601422][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1054.601422][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1054.601422][ T10] ipv6_add_addr+0x411/0x2000 [ 1054.601422][ T10] inet6_addr_add+0x30e/0xa40 [ 1054.601422][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1054.601422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1054.601422][ T10] netlink_rcv_skb+0x130/0x360 [ 1054.601422][ T10] netlink_unicast+0x449/0x710 [ 1054.601422][ T10] netlink_sendmsg+0x723/0xbe0 [ 1054.601422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1054.601422][ T10] ___sys_sendmsg+0xee/0x170 [ 1054.601422][ T10] __sys_sendmsg+0xcd/0x170 [ 1054.601422][ T10] do_syscall_64+0xc6/0x1e0 [ 1054.601422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1054.601422][ T10] [ 1054.603438][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1054.603438][ T10] netdev_get_by_index+0x5e/0x80 [ 1054.603438][ T10] fib6_nh_init+0x3d8/0x1580 [ 1054.603438][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1054.603438][ T10] ip6_route_add+0x1c/0x140 [ 1054.603438][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1054.603438][ T10] addrconf_add_dev+0xe2/0x170 [ 1054.603438][ T10] inet6_addr_add+0x12f/0xa40 [ 1054.603438][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1054.603438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1054.603438][ T10] netlink_rcv_skb+0x130/0x360 [ 1054.603438][ T10] netlink_unicast+0x449/0x710 [ 1054.603438][ T10] netlink_sendmsg+0x723/0xbe0 [ 1054.603438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1054.603438][ T10] ___sys_sendmsg+0xee/0x170 [ 1054.603438][ T10] __sys_sendmsg+0xcd/0x170 [ 1054.603438][ T10] do_syscall_64+0xc6/0x1e0 [ 1054.603438][ T10] [ 1054.605408][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1054.605408][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1054.605408][ T10] ipv6_find_idev+0x102/0x170 [ 1054.605408][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1054.605408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1054.605408][ T10] netlink_rcv_skb+0x130/0x360 [ 1054.605408][ T10] netlink_unicast+0x449/0x710 [ 1054.605408][ T10] netlink_sendmsg+0x723/0xbe0 [ 1054.605408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1054.605408][ T10] ___sys_sendmsg+0xee/0x170 [ 1054.605408][ T10] __sys_sendmsg+0xcd/0x170 [ 1054.605408][ T10] do_syscall_64+0xc6/0x1e0 [ 1054.605408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1054.605408][ T10] [ 1054.606950][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1054.606950][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1054.606950][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1054.606950][ T10] ipv6_find_idev+0x102/0x170 [ 1054.606950][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1054.606950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1054.606950][ T10] netlink_rcv_skb+0x130/0x360 [ 1054.606950][ T10] netlink_unicast+0x449/0x710 [ 1054.606950][ T10] netlink_sendmsg+0x723/0xbe0 [ 1054.606950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1054.606950][ T10] ___sys_sendmsg+0xee/0x170 [ 1054.606950][ T10] __sys_sendmsg+0xcd/0x170 [ 1054.606950][ T10] do_syscall_64+0xc6/0x1e0 [ 1054.606950][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1054.606950][ T10] [ 1054.608671][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1054.608915][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1054.608915][ T10] netdev_get_by_index+0x5e/0x80 [ 1054.608915][ T10] fib6_nh_init+0x3d8/0x1580 [ 1054.608915][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1054.608915][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1054.608915][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1054.608915][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1054.608915][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1054.608915][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1054.608915][ T10] addrconf_dad_begin+0x310/0x670 [ 1054.608915][ T10] addrconf_dad_work+0x10b/0xab0 [ 1054.608915][ T10] process_one_work+0x84d/0x18a0 [ 1054.608915][ T10] worker_thread+0x587/0xd30 [ 1054.608915][ T10] kthread+0x28a/0x350 [ 1054.608915][ T10] ret_from_fork+0x31/0x70 [ 1054.608915][ T10] ret_from_fork_asm+0x1a/0x30 [ 1054.608915][ T10] [ 1054.610868][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1054.610868][ T10] netdev_get_by_index+0x5e/0x80 [ 1054.610868][ T10] fib6_nh_init+0x3d8/0x1580 [ 1054.610868][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1054.610868][ T10] ip6_route_add+0x1c/0x140 [ 1054.610868][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1054.610868][ T10] inet6_addr_add+0x4f8/0xa40 [ 1054.610868][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1054.610868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1054.610868][ T10] netlink_rcv_skb+0x130/0x360 [ 1054.610868][ T10] netlink_unicast+0x449/0x710 [ 1054.610868][ T10] netlink_sendmsg+0x723/0xbe0 [ 1054.610868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1054.610868][ T10] ___sys_sendmsg+0xee/0x170 [ 1054.610868][ T10] __sys_sendmsg+0xcd/0x170 [ 1054.610868][ T10] do_syscall_64+0xc6/0x1e0 [ 1054.610868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1054.610868][ T10] [ 1054.613017][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1054.613017][ T10] netdev_get_by_index+0x5e/0x80 [ 1054.613017][ T10] fib6_nh_init+0x3d8/0x1580 [ 1054.613017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1054.613017][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1054.613017][ T10] ipv6_add_addr+0x411/0x2000 [ 1054.613017][ T10] inet6_addr_add+0x30e/0xa40 [ 1054.613017][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1054.613017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1054.613017][ T10] netlink_rcv_skb+0x130/0x360 [ 1054.613017][ T10] netlink_unicast+0x449/0x710 [ 1054.613017][ T10] netlink_sendmsg+0x723/0xbe0 [ 1054.613017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1054.613017][ T10] ___sys_sendmsg+0xee/0x170 [ 1054.613017][ T10] __sys_sendmsg+0xcd/0x170 [ 1054.613017][ T10] do_syscall_64+0xc6/0x1e0 [ 1054.613017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1054.613017][ T10] [ 1054.615344][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1054.615344][ T10] netdev_get_by_index+0x5e/0x80 [ 1054.615344][ T10] fib6_nh_init+0x3d8/0x1580 [ 1054.615344][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1054.615344][ T10] ip6_route_add+0x1c/0x140 [ 1054.615344][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1054.615344][ T10] addrconf_add_dev+0xe2/0x170 [ 1054.615344][ T10] inet6_addr_add+0x12f/0xa40 [ 1054.615344][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1054.615344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1054.615344][ T10] netlink_rcv_skb+0x130/0x360 [ 1054.615344][ T10] netlink_unicast+0x449/0x710 [ 1054.615344][ T10] netlink_sendmsg+0x723/0xbe0 [ 1054.615344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1054.615344][ T10] ___sys_sendmsg+0xee/0x170 [ 1054.615344][ T10] __sys_sendmsg+0xcd/0x170 [ 1054.615344][ T10] do_syscall_64+0xc6/0x1e0 [ 1054.615344][ T10] [ 1054.617570][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1054.617570][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1054.617570][ T10] ipv6_find_idev+0x102/0x170 [ 1054.617570][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1054.617570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1054.617570][ T10] netlink_rcv_skb+0x130/0x360 [ 1054.617570][ T10] netlink_unicast+0x449/0x710 [ 1054.617570][ T10] netlink_sendmsg+0x723/0xbe0 [ 1054.617570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1054.617570][ T10] ___sys_sendmsg+0xee/0x170 [ 1054.617570][ T10] __sys_sendmsg+0xcd/0x170 [ 1054.617570][ T10] do_syscall_64+0xc6/0x1e0 [ 1054.617570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1054.617570][ T10] [ 1054.619301][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1054.619301][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1054.619301][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1054.619301][ T10] ipv6_find_idev+0x102/0x170 [ 1054.619301][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1054.619301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1054.619301][ T10] netlink_rcv_skb+0x130/0x360 [ 1054.619301][ T10] netlink_unicast+0x449/0x710 [ 1054.619301][ T10] netlink_sendmsg+0x723/0xbe0 [ 1054.619301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1054.619301][ T10] ___sys_sendmsg+0xee/0x170 [ 1054.619301][ T10] __sys_sendmsg+0xcd/0x170 [ 1054.619301][ T10] do_syscall_64+0xc6/0x1e0 [ 1054.619301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1054.619301][ T10] [ 1054.621204][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1054.621501][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1054.621501][ T10] netdev_get_by_index+0x5e/0x80 [ 1054.621501][ T10] fib6_nh_init+0x3d8/0x1580 [ 1054.621501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1054.621501][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1054.621501][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1054.621501][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1054.621501][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1054.621501][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1054.621501][ T10] addrconf_dad_begin+0x310/0x670 [ 1054.621501][ T10] addrconf_dad_work+0x10b/0xab0 [ 1054.621501][ T10] process_one_work+0x84d/0x18a0 [ 1054.621501][ T10] worker_thread+0x587/0xd30 [ 1054.621501][ T10] kthread+0x28a/0x350 [ 1054.621501][ T10] ret_from_fork+0x31/0x70 [ 1054.621501][ T10] ret_from_fork_asm+0x1a/0x30 [ 1054.621501][ T10] [ 1054.623684][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1054.623684][ T10] netdev_get_by_index+0x5e/0x80 [ 1054.623684][ T10] fib6_nh_init+0x3d8/0x1580 [ 1054.623684][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1054.623684][ T10] ip6_route_add+0x1c/0x140 [ 1054.623684][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1054.623684][ T10] inet6_addr_add+0x4f8/0xa40 [ 1054.623684][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1054.623684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1054.623684][ T10] netlink_rcv_skb+0x130/0x360 [ 1054.623684][ T10] netlink_unicast+0x449/0x710 [ 1054.623684][ T10] netlink_sendmsg+0x723/0xbe0 [ 1054.623684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1054.623684][ T10] ___sys_sendmsg+0xee/0x170 [ 1054.623684][ T10] __sys_sendmsg+0xcd/0x170 [ 1054.623684][ T10] do_syscall_64+0xc6/0x1e0 [ 1054.623684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1054.623684][ T10] [ 1054.625939][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1054.625939][ T10] netdev_get_by_index+0x5e/0x80 [ 1054.625939][ T10] fib6_nh_init+0x3d8/0x1580 [ 1054.625939][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1054.625939][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1054.625939][ T10] ipv6_add_addr+0x411/0x2000 [ 1054.625939][ T10] inet6_addr_add+0x30e/0xa40 [ 1054.625939][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1054.625939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1054.625939][ T10] netlink_rcv_skb+0x130/0x360 [ 1054.625939][ T10] netlink_unicast+0x449/0x710 [ 1054.625939][ T10] netlink_sendmsg+0x723/0xbe0 [ 1054.625939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1054.625939][ T10] ___sys_sendmsg+0xee/0x170 [ 1054.625939][ T10] __sys_sendmsg+0xcd/0x170 [ 1054.625939][ T10] do_syscall_64+0xc6/0x1e0 [ 1054.625939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1054.625939][ T10] [ 1054.628198][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1054.628198][ T10] netdev_get_by_index+0x5e/0x80 [ 1054.628198][ T10] fib6_nh_init+0x3d8/0x1580 [ 1054.628198][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1054.628198][ T10] ip6_route_add+0x1c/0x140 [ 1054.628198][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1054.628198][ T10] addrconf_add_dev+0xe2/0x170 [ 1054.628198][ T10] inet6_addr_add+0x12f/0xa40 [ 1054.628198][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1054.628198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1054.628198][ T10] netlink_rcv_skb+0x130/0x360 [ 1054.628198][ T10] netlink_unicast+0x449/0x710 [ 1054.628198][ T10] netlink_sendmsg+0x723/0xbe0 [ 1054.628198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1054.628198][ T10] ___sys_sendmsg+0xee/0x170 [ 1054.628198][ T10] __sys_sendmsg+0xcd/0x170 [ 1054.628198][ T10] do_syscall_64+0xc6/0x1e0 [ 1054.628198][ T10] [ 1054.630426][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1054.630426][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1054.630426][ T10] ipv6_find_idev+0x102/0x170 [ 1054.630426][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1054.630426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1054.630426][ T10] netlink_rcv_skb+0x130/0x360 [ 1054.630426][ T10] netlink_unicast+0x449/0x710 [ 1054.630426][ T10] netlink_sendmsg+0x723/0xbe0 [ 1054.630426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1054.630426][ T10] ___sys_sendmsg+0xee/0x170 [ 1054.630426][ T10] __sys_sendmsg+0xcd/0x170 [ 1054.630426][ T10] do_syscall_64+0xc6/0x1e0 [ 1054.630426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1054.630426][ T10] [ 1054.632160][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1054.632160][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1054.632160][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1054.632160][ T10] ipv6_find_idev+0x102/0x170 [ 1054.632160][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1054.632160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1054.632160][ T10] netlink_rcv_skb+0x130/0x360 [ 1054.632160][ T10] netlink_unicast+0x449/0x710 [ 1054.632160][ T10] netlink_sendmsg+0x723/0xbe0 [ 1054.632160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1054.632160][ T10] ___sys_sendmsg+0xee/0x170 [ 1054.632160][ T10] __sys_sendmsg+0xcd/0x170 [ 1054.632160][ T10] do_syscall_64+0xc6/0x1e0 [ 1054.632160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1054.632160][ T10] [ 1063.569097][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1063.569575][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1063.569575][ T1167] dst_init+0x84/0x4a0 [ 1063.569575][ T1167] dst_alloc+0x97/0x150 [ 1063.569575][ T1167] ip6_dst_alloc+0x23/0x90 [ 1063.569575][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1063.569575][ T1167] ip6_pol_route+0x56f/0x840 [ 1063.569575][ T1167] fib6_rule_lookup+0x334/0x630 [ 1063.569575][ T1167] ip6_route_output_flags+0x259/0x480 [ 1063.569575][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1063.569575][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1063.569575][ T1167] netlink_rcv_skb+0x130/0x360 [ 1063.569575][ T1167] netlink_unicast+0x449/0x710 [ 1063.569575][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1063.569575][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1063.569575][ T1167] ___sys_sendmsg+0xee/0x170 [ 1063.569575][ T1167] __sys_sendmsg+0xcd/0x170 [ 1063.569575][ T1167] do_syscall_64+0xc6/0x1e0 [ 1063.569575][ T1167] [ 1063.572030][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1063.572030][ T1167] netdev_get_by_index+0x5e/0x80 [ 1063.572030][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1063.572030][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1063.572030][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1063.572030][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1063.572030][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1063.572030][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1063.572030][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1063.572030][ T1167] addrconf_dad_begin+0x310/0x670 [ 1063.572030][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1063.572030][ T1167] process_one_work+0x84d/0x18a0 [ 1063.572030][ T1167] worker_thread+0x587/0xd30 [ 1063.572030][ T1167] kthread+0x28a/0x350 [ 1063.572030][ T1167] ret_from_fork+0x31/0x70 [ 1063.572030][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1063.572030][ T1167] [ 1063.574423][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1063.574423][ T1167] netdev_get_by_index+0x5e/0x80 [ 1063.574423][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1063.574423][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1063.574423][ T1167] ip6_route_add+0x1c/0x140 [ 1063.574423][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1063.574423][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1063.574423][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1063.574423][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.574423][ T1167] netlink_rcv_skb+0x130/0x360 [ 1063.574423][ T1167] netlink_unicast+0x449/0x710 [ 1063.574423][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1063.574423][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1063.574423][ T1167] ___sys_sendmsg+0xee/0x170 [ 1063.574423][ T1167] __sys_sendmsg+0xcd/0x170 [ 1063.574423][ T1167] do_syscall_64+0xc6/0x1e0 [ 1063.574423][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.574423][ T1167] [ 1063.576912][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1063.576912][ T1167] netdev_get_by_index+0x5e/0x80 [ 1063.576912][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1063.576912][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1063.576912][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1063.576912][ T1167] ipv6_add_addr+0x411/0x2000 [ 1063.576912][ T1167] inet6_addr_add+0x30e/0xa40 [ 1063.576912][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1063.576912][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.576912][ T1167] netlink_rcv_skb+0x130/0x360 [ 1063.576912][ T1167] netlink_unicast+0x449/0x710 [ 1063.576912][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1063.576912][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1063.576912][ T1167] ___sys_sendmsg+0xee/0x170 [ 1063.576912][ T1167] __sys_sendmsg+0xcd/0x170 [ 1063.576912][ T1167] do_syscall_64+0xc6/0x1e0 [ 1063.576912][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.576912][ T1167] [ 1063.579433][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1063.579433][ T1167] netdev_get_by_index+0x5e/0x80 [ 1063.579433][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1063.579433][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1063.579433][ T1167] ip6_route_add+0x1c/0x140 [ 1063.579433][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1063.579433][ T1167] addrconf_add_dev+0xe2/0x170 [ 1063.579433][ T1167] inet6_addr_add+0x12f/0xa40 [ 1063.579433][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1063.579433][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.579433][ T1167] netlink_rcv_skb+0x130/0x360 [ 1063.579433][ T1167] netlink_unicast+0x449/0x710 [ 1063.579433][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1063.579433][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1063.579433][ T1167] ___sys_sendmsg+0xee/0x170 [ 1063.579433][ T1167] __sys_sendmsg+0xcd/0x170 [ 1063.579433][ T1167] do_syscall_64+0xc6/0x1e0 [ 1063.579433][ T1167] [ 1063.581861][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1063.581861][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1063.581861][ T1167] ipv6_find_idev+0x102/0x170 [ 1063.581861][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1063.581861][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.581861][ T1167] netlink_rcv_skb+0x130/0x360 [ 1063.581861][ T1167] netlink_unicast+0x449/0x710 [ 1063.581861][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1063.581861][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1063.581861][ T1167] ___sys_sendmsg+0xee/0x170 [ 1063.581861][ T1167] __sys_sendmsg+0xcd/0x170 [ 1063.581861][ T1167] do_syscall_64+0xc6/0x1e0 [ 1063.581861][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.581861][ T1167] [ 1063.583778][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1063.583778][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1063.583778][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1063.583778][ T1167] ipv6_find_idev+0x102/0x170 [ 1063.583778][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1063.583778][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1063.583778][ T1167] netlink_rcv_skb+0x130/0x360 [ 1063.583778][ T1167] netlink_unicast+0x449/0x710 [ 1063.583778][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1063.583778][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1063.583778][ T1167] ___sys_sendmsg+0xee/0x170 [ 1063.583778][ T1167] __sys_sendmsg+0xcd/0x170 [ 1063.583778][ T1167] do_syscall_64+0xc6/0x1e0 [ 1063.583778][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1063.583778][ T1167] [ 1064.873083][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1064.873502][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1064.873502][ T10] netdev_get_by_index+0x5e/0x80 [ 1064.873502][ T10] fib6_nh_init+0x3d8/0x1580 [ 1064.873502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1064.873502][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1064.873502][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1064.873502][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1064.873502][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1064.873502][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1064.873502][ T10] addrconf_dad_begin+0x310/0x670 [ 1064.873502][ T10] addrconf_dad_work+0x10b/0xab0 [ 1064.873502][ T10] process_one_work+0x84d/0x18a0 [ 1064.873502][ T10] worker_thread+0x587/0xd30 [ 1064.873502][ T10] kthread+0x28a/0x350 [ 1064.873502][ T10] ret_from_fork+0x31/0x70 [ 1064.873502][ T10] ret_from_fork_asm+0x1a/0x30 [ 1064.873502][ T10] [ 1064.875467][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1064.875467][ T10] netdev_get_by_index+0x5e/0x80 [ 1064.875467][ T10] fib6_nh_init+0x3d8/0x1580 [ 1064.875467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1064.875467][ T10] ip6_route_add+0x1c/0x140 [ 1064.875467][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1064.875467][ T10] inet6_addr_add+0x4f8/0xa40 [ 1064.875467][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1064.875467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.875467][ T10] netlink_rcv_skb+0x130/0x360 [ 1064.875467][ T10] netlink_unicast+0x449/0x710 [ 1064.875467][ T10] netlink_sendmsg+0x723/0xbe0 [ 1064.875467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1064.875467][ T10] ___sys_sendmsg+0xee/0x170 [ 1064.875467][ T10] __sys_sendmsg+0xcd/0x170 [ 1064.875467][ T10] do_syscall_64+0xc6/0x1e0 [ 1064.875467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.875467][ T10] [ 1064.877489][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1064.877489][ T10] netdev_get_by_index+0x5e/0x80 [ 1064.877489][ T10] fib6_nh_init+0x3d8/0x1580 [ 1064.877489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1064.877489][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1064.877489][ T10] ipv6_add_addr+0x411/0x2000 [ 1064.877489][ T10] inet6_addr_add+0x30e/0xa40 [ 1064.877489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1064.877489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.877489][ T10] netlink_rcv_skb+0x130/0x360 [ 1064.877489][ T10] netlink_unicast+0x449/0x710 [ 1064.877489][ T10] netlink_sendmsg+0x723/0xbe0 [ 1064.877489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1064.877489][ T10] ___sys_sendmsg+0xee/0x170 [ 1064.877489][ T10] __sys_sendmsg+0xcd/0x170 [ 1064.877489][ T10] do_syscall_64+0xc6/0x1e0 [ 1064.877489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.877489][ T10] [ 1064.879516][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1064.879516][ T10] netdev_get_by_index+0x5e/0x80 [ 1064.879516][ T10] fib6_nh_init+0x3d8/0x1580 [ 1064.879516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1064.879516][ T10] ip6_route_add+0x1c/0x140 [ 1064.879516][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1064.879516][ T10] addrconf_add_dev+0xe2/0x170 [ 1064.879516][ T10] inet6_addr_add+0x12f/0xa40 [ 1064.879516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1064.879516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.879516][ T10] netlink_rcv_skb+0x130/0x360 [ 1064.879516][ T10] netlink_unicast+0x449/0x710 [ 1064.879516][ T10] netlink_sendmsg+0x723/0xbe0 [ 1064.879516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1064.879516][ T10] ___sys_sendmsg+0xee/0x170 [ 1064.879516][ T10] __sys_sendmsg+0xcd/0x170 [ 1064.879516][ T10] do_syscall_64+0xc6/0x1e0 [ 1064.879516][ T10] [ 1064.881647][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1064.881647][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1064.881647][ T10] ipv6_find_idev+0x102/0x170 [ 1064.881647][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1064.881647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.881647][ T10] netlink_rcv_skb+0x130/0x360 [ 1064.881647][ T10] netlink_unicast+0x449/0x710 [ 1064.881647][ T10] netlink_sendmsg+0x723/0xbe0 [ 1064.881647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1064.881647][ T10] ___sys_sendmsg+0xee/0x170 [ 1064.881647][ T10] __sys_sendmsg+0xcd/0x170 [ 1064.881647][ T10] do_syscall_64+0xc6/0x1e0 [ 1064.881647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.881647][ T10] [ 1064.883301][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1064.883301][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1064.883301][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1064.883301][ T10] ipv6_find_idev+0x102/0x170 [ 1064.883301][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1064.883301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.883301][ T10] netlink_rcv_skb+0x130/0x360 [ 1064.883301][ T10] netlink_unicast+0x449/0x710 [ 1064.883301][ T10] netlink_sendmsg+0x723/0xbe0 [ 1064.883301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1064.883301][ T10] ___sys_sendmsg+0xee/0x170 [ 1064.883301][ T10] __sys_sendmsg+0xcd/0x170 [ 1064.883301][ T10] do_syscall_64+0xc6/0x1e0 [ 1064.883301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.883301][ T10] [ 1064.885130][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1064.885405][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1064.885405][ T10] netdev_get_by_index+0x5e/0x80 [ 1064.885405][ T10] fib6_nh_init+0x3d8/0x1580 [ 1064.885405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1064.885405][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1064.885405][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1064.885405][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1064.885405][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1064.885405][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1064.885405][ T10] addrconf_dad_begin+0x310/0x670 [ 1064.885405][ T10] addrconf_dad_work+0x10b/0xab0 [ 1064.885405][ T10] process_one_work+0x84d/0x18a0 [ 1064.885405][ T10] worker_thread+0x587/0xd30 [ 1064.885405][ T10] kthread+0x28a/0x350 [ 1064.885405][ T10] ret_from_fork+0x31/0x70 [ 1064.885405][ T10] ret_from_fork_asm+0x1a/0x30 [ 1064.885405][ T10] [ 1064.887471][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1064.887471][ T10] netdev_get_by_index+0x5e/0x80 [ 1064.887471][ T10] fib6_nh_init+0x3d8/0x1580 [ 1064.887471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1064.887471][ T10] ip6_route_add+0x1c/0x140 [ 1064.887471][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1064.887471][ T10] inet6_addr_add+0x4f8/0xa40 [ 1064.887471][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1064.887471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.887471][ T10] netlink_rcv_skb+0x130/0x360 [ 1064.887471][ T10] netlink_unicast+0x449/0x710 [ 1064.887471][ T10] netlink_sendmsg+0x723/0xbe0 [ 1064.887471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1064.887471][ T10] ___sys_sendmsg+0xee/0x170 [ 1064.887471][ T10] __sys_sendmsg+0xcd/0x170 [ 1064.887471][ T10] do_syscall_64+0xc6/0x1e0 [ 1064.887471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.887471][ T10] [ 1064.889579][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1064.889579][ T10] netdev_get_by_index+0x5e/0x80 [ 1064.889579][ T10] fib6_nh_init+0x3d8/0x1580 [ 1064.889579][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1064.889579][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1064.889579][ T10] ipv6_add_addr+0x411/0x2000 [ 1064.889579][ T10] inet6_addr_add+0x30e/0xa40 [ 1064.889579][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1064.889579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.889579][ T10] netlink_rcv_skb+0x130/0x360 [ 1064.889579][ T10] netlink_unicast+0x449/0x710 [ 1064.889579][ T10] netlink_sendmsg+0x723/0xbe0 [ 1064.889579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1064.889579][ T10] ___sys_sendmsg+0xee/0x170 [ 1064.889579][ T10] __sys_sendmsg+0xcd/0x170 [ 1064.889579][ T10] do_syscall_64+0xc6/0x1e0 [ 1064.889579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.889579][ T10] [ 1064.891741][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1064.891741][ T10] netdev_get_by_index+0x5e/0x80 [ 1064.891741][ T10] fib6_nh_init+0x3d8/0x1580 [ 1064.891741][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1064.891741][ T10] ip6_route_add+0x1c/0x140 [ 1064.891741][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1064.891741][ T10] addrconf_add_dev+0xe2/0x170 [ 1064.891741][ T10] inet6_addr_add+0x12f/0xa40 [ 1064.891741][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1064.891741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.891741][ T10] netlink_rcv_skb+0x130/0x360 [ 1064.891741][ T10] netlink_unicast+0x449/0x710 [ 1064.891741][ T10] netlink_sendmsg+0x723/0xbe0 [ 1064.891741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1064.891741][ T10] ___sys_sendmsg+0xee/0x170 [ 1064.891741][ T10] __sys_sendmsg+0xcd/0x170 [ 1064.891741][ T10] do_syscall_64+0xc6/0x1e0 [ 1064.891741][ T10] [ 1064.893795][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1064.893795][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1064.893795][ T10] ipv6_find_idev+0x102/0x170 [ 1064.893795][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1064.893795][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.893795][ T10] netlink_rcv_skb+0x130/0x360 [ 1064.893795][ T10] netlink_unicast+0x449/0x710 [ 1064.893795][ T10] netlink_sendmsg+0x723/0xbe0 [ 1064.893795][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1064.893795][ T10] ___sys_sendmsg+0xee/0x170 [ 1064.893795][ T10] __sys_sendmsg+0xcd/0x170 [ 1064.893795][ T10] do_syscall_64+0xc6/0x1e0 [ 1064.893795][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.893795][ T10] [ 1064.895342][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1064.895342][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1064.895342][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1064.895342][ T10] ipv6_find_idev+0x102/0x170 [ 1064.895342][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1064.895342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.895342][ T10] netlink_rcv_skb+0x130/0x360 [ 1064.895342][ T10] netlink_unicast+0x449/0x710 [ 1064.895342][ T10] netlink_sendmsg+0x723/0xbe0 [ 1064.895342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1064.895342][ T10] ___sys_sendmsg+0xee/0x170 [ 1064.895342][ T10] __sys_sendmsg+0xcd/0x170 [ 1064.895342][ T10] do_syscall_64+0xc6/0x1e0 [ 1064.895342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.895342][ T10] [ 1064.897055][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1064.897316][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1064.897316][ T10] netdev_get_by_index+0x5e/0x80 [ 1064.897316][ T10] fib6_nh_init+0x3d8/0x1580 [ 1064.897316][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1064.897316][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1064.897316][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1064.897316][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1064.897316][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1064.897316][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1064.897316][ T10] addrconf_dad_begin+0x310/0x670 [ 1064.897316][ T10] addrconf_dad_work+0x10b/0xab0 [ 1064.897316][ T10] process_one_work+0x84d/0x18a0 [ 1064.897316][ T10] worker_thread+0x587/0xd30 [ 1064.897316][ T10] kthread+0x28a/0x350 [ 1064.897316][ T10] ret_from_fork+0x31/0x70 [ 1064.897316][ T10] ret_from_fork_asm+0x1a/0x30 [ 1064.897316][ T10] [ 1064.899240][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1064.899240][ T10] netdev_get_by_index+0x5e/0x80 [ 1064.899240][ T10] fib6_nh_init+0x3d8/0x1580 [ 1064.899240][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1064.899240][ T10] ip6_route_add+0x1c/0x140 [ 1064.899240][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1064.899240][ T10] inet6_addr_add+0x4f8/0xa40 [ 1064.899240][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1064.899240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.899240][ T10] netlink_rcv_skb+0x130/0x360 [ 1064.899240][ T10] netlink_unicast+0x449/0x710 [ 1064.899240][ T10] netlink_sendmsg+0x723/0xbe0 [ 1064.899240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1064.899240][ T10] ___sys_sendmsg+0xee/0x170 [ 1064.899240][ T10] __sys_sendmsg+0xcd/0x170 [ 1064.899240][ T10] do_syscall_64+0xc6/0x1e0 [ 1064.899240][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.899240][ T10] [ 1064.901411][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1064.901411][ T10] netdev_get_by_index+0x5e/0x80 [ 1064.901411][ T10] fib6_nh_init+0x3d8/0x1580 [ 1064.901411][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1064.901411][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1064.901411][ T10] ipv6_add_addr+0x411/0x2000 [ 1064.901411][ T10] inet6_addr_add+0x30e/0xa40 [ 1064.901411][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1064.901411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.901411][ T10] netlink_rcv_skb+0x130/0x360 [ 1064.901411][ T10] netlink_unicast+0x449/0x710 [ 1064.901411][ T10] netlink_sendmsg+0x723/0xbe0 [ 1064.901411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1064.901411][ T10] ___sys_sendmsg+0xee/0x170 [ 1064.901411][ T10] __sys_sendmsg+0xcd/0x170 [ 1064.901411][ T10] do_syscall_64+0xc6/0x1e0 [ 1064.901411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.901411][ T10] [ 1064.903713][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1064.903713][ T10] netdev_get_by_index+0x5e/0x80 [ 1064.903713][ T10] fib6_nh_init+0x3d8/0x1580 [ 1064.903713][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1064.903713][ T10] ip6_route_add+0x1c/0x140 [ 1064.903713][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1064.903713][ T10] addrconf_add_dev+0xe2/0x170 [ 1064.903713][ T10] inet6_addr_add+0x12f/0xa40 [ 1064.903713][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1064.903713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.903713][ T10] netlink_rcv_skb+0x130/0x360 [ 1064.903713][ T10] netlink_unicast+0x449/0x710 [ 1064.903713][ T10] netlink_sendmsg+0x723/0xbe0 [ 1064.903713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1064.903713][ T10] ___sys_sendmsg+0xee/0x170 [ 1064.903713][ T10] __sys_sendmsg+0xcd/0x170 [ 1064.903713][ T10] do_syscall_64+0xc6/0x1e0 [ 1064.903713][ T10] [ 1064.905967][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1064.905967][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1064.905967][ T10] ipv6_find_idev+0x102/0x170 [ 1064.905967][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1064.905967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.905967][ T10] netlink_rcv_skb+0x130/0x360 [ 1064.905967][ T10] netlink_unicast+0x449/0x710 [ 1064.905967][ T10] netlink_sendmsg+0x723/0xbe0 [ 1064.905967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1064.905967][ T10] ___sys_sendmsg+0xee/0x170 [ 1064.905967][ T10] __sys_sendmsg+0xcd/0x170 [ 1064.905967][ T10] do_syscall_64+0xc6/0x1e0 [ 1064.905967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.905967][ T10] [ 1064.907691][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1064.907691][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1064.907691][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1064.907691][ T10] ipv6_find_idev+0x102/0x170 [ 1064.907691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1064.907691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.907691][ T10] netlink_rcv_skb+0x130/0x360 [ 1064.907691][ T10] netlink_unicast+0x449/0x710 [ 1064.907691][ T10] netlink_sendmsg+0x723/0xbe0 [ 1064.907691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1064.907691][ T10] ___sys_sendmsg+0xee/0x170 [ 1064.907691][ T10] __sys_sendmsg+0xcd/0x170 [ 1064.907691][ T10] do_syscall_64+0xc6/0x1e0 [ 1064.907691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.907691][ T10] [ 1064.909645][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1064.909908][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1064.909908][ T10] netdev_get_by_index+0x5e/0x80 [ 1064.909908][ T10] fib6_nh_init+0x3d8/0x1580 [ 1064.909908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1064.909908][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1064.909908][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1064.909908][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1064.909908][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1064.909908][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1064.909908][ T10] addrconf_dad_begin+0x310/0x670 [ 1064.909908][ T10] addrconf_dad_work+0x10b/0xab0 [ 1064.909908][ T10] process_one_work+0x84d/0x18a0 [ 1064.909908][ T10] worker_thread+0x587/0xd30 [ 1064.909908][ T10] kthread+0x28a/0x350 [ 1064.909908][ T10] ret_from_fork+0x31/0x70 [ 1064.909908][ T10] ret_from_fork_asm+0x1a/0x30 [ 1064.909908][ T10] [ 1064.912107][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1064.912107][ T10] netdev_get_by_index+0x5e/0x80 [ 1064.912107][ T10] fib6_nh_init+0x3d8/0x1580 [ 1064.912107][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1064.912107][ T10] ip6_route_add+0x1c/0x140 [ 1064.912107][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1064.912107][ T10] inet6_addr_add+0x4f8/0xa40 [ 1064.912107][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1064.912107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.912107][ T10] netlink_rcv_skb+0x130/0x360 [ 1064.912107][ T10] netlink_unicast+0x449/0x710 [ 1064.912107][ T10] netlink_sendmsg+0x723/0xbe0 [ 1064.912107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1064.912107][ T10] ___sys_sendmsg+0xee/0x170 [ 1064.912107][ T10] __sys_sendmsg+0xcd/0x170 [ 1064.912107][ T10] do_syscall_64+0xc6/0x1e0 [ 1064.912107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.912107][ T10] [ 1064.914265][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1064.914265][ T10] netdev_get_by_index+0x5e/0x80 [ 1064.914265][ T10] fib6_nh_init+0x3d8/0x1580 [ 1064.914265][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1064.914265][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1064.914265][ T10] ipv6_add_addr+0x411/0x2000 [ 1064.914265][ T10] inet6_addr_add+0x30e/0xa40 [ 1064.914265][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1064.914265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.914265][ T10] netlink_rcv_skb+0x130/0x360 [ 1064.914265][ T10] netlink_unicast+0x449/0x710 [ 1064.914265][ T10] netlink_sendmsg+0x723/0xbe0 [ 1064.914265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1064.914265][ T10] ___sys_sendmsg+0xee/0x170 [ 1064.914265][ T10] __sys_sendmsg+0xcd/0x170 [ 1064.914265][ T10] do_syscall_64+0xc6/0x1e0 [ 1064.914265][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.914265][ T10] [ 1064.916420][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1064.916420][ T10] netdev_get_by_index+0x5e/0x80 [ 1064.916420][ T10] fib6_nh_init+0x3d8/0x1580 [ 1064.916420][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1064.916420][ T10] ip6_route_add+0x1c/0x140 [ 1064.916420][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1064.916420][ T10] addrconf_add_dev+0xe2/0x170 [ 1064.916420][ T10] inet6_addr_add+0x12f/0xa40 [ 1064.916420][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1064.916420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.916420][ T10] netlink_rcv_skb+0x130/0x360 [ 1064.916420][ T10] netlink_unicast+0x449/0x710 [ 1064.916420][ T10] netlink_sendmsg+0x723/0xbe0 [ 1064.916420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1064.916420][ T10] ___sys_sendmsg+0xee/0x170 [ 1064.916420][ T10] __sys_sendmsg+0xcd/0x170 [ 1064.916420][ T10] do_syscall_64+0xc6/0x1e0 [ 1064.916420][ T10] [ 1064.918537][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1064.918537][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1064.918537][ T10] ipv6_find_idev+0x102/0x170 [ 1064.918537][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1064.918537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.918537][ T10] netlink_rcv_skb+0x130/0x360 [ 1064.918537][ T10] netlink_unicast+0x449/0x710 [ 1064.918537][ T10] netlink_sendmsg+0x723/0xbe0 [ 1064.918537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1064.918537][ T10] ___sys_sendmsg+0xee/0x170 [ 1064.918537][ T10] __sys_sendmsg+0xcd/0x170 [ 1064.918537][ T10] do_syscall_64+0xc6/0x1e0 [ 1064.918537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.918537][ T10] [ 1064.920152][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1064.920152][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1064.920152][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1064.920152][ T10] ipv6_find_idev+0x102/0x170 [ 1064.920152][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1064.920152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.920152][ T10] netlink_rcv_skb+0x130/0x360 [ 1064.920152][ T10] netlink_unicast+0x449/0x710 [ 1064.920152][ T10] netlink_sendmsg+0x723/0xbe0 [ 1064.920152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1064.920152][ T10] ___sys_sendmsg+0xee/0x170 [ 1064.920152][ T10] __sys_sendmsg+0xcd/0x170 [ 1064.920152][ T10] do_syscall_64+0xc6/0x1e0 [ 1064.920152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.920152][ T10] [ 1073.849258][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1073.849718][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1073.849718][ T1167] dst_init+0x84/0x4a0 [ 1073.849718][ T1167] dst_alloc+0x97/0x150 [ 1073.849718][ T1167] ip6_dst_alloc+0x23/0x90 [ 1073.849718][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1073.849718][ T1167] ip6_pol_route+0x56f/0x840 [ 1073.849718][ T1167] fib6_rule_lookup+0x334/0x630 [ 1073.849718][ T1167] ip6_route_output_flags+0x259/0x480 [ 1073.849718][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1073.849718][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1073.849718][ T1167] netlink_rcv_skb+0x130/0x360 [ 1073.849718][ T1167] netlink_unicast+0x449/0x710 [ 1073.849718][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1073.849718][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1073.849718][ T1167] ___sys_sendmsg+0xee/0x170 [ 1073.849718][ T1167] __sys_sendmsg+0xcd/0x170 [ 1073.849718][ T1167] do_syscall_64+0xc6/0x1e0 [ 1073.849718][ T1167] [ 1073.851925][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1073.851925][ T1167] netdev_get_by_index+0x5e/0x80 [ 1073.851925][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1073.851925][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1073.851925][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1073.851925][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1073.851925][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1073.851925][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1073.851925][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1073.851925][ T1167] addrconf_dad_begin+0x310/0x670 [ 1073.851925][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1073.851925][ T1167] process_one_work+0x84d/0x18a0 [ 1073.851925][ T1167] worker_thread+0x587/0xd30 [ 1073.851925][ T1167] kthread+0x28a/0x350 [ 1073.851925][ T1167] ret_from_fork+0x31/0x70 [ 1073.851925][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1073.851925][ T1167] [ 1073.854085][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1073.854085][ T1167] netdev_get_by_index+0x5e/0x80 [ 1073.854085][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1073.854085][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1073.854085][ T1167] ip6_route_add+0x1c/0x140 [ 1073.854085][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1073.854085][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1073.854085][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1073.854085][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.854085][ T1167] netlink_rcv_skb+0x130/0x360 [ 1073.854085][ T1167] netlink_unicast+0x449/0x710 [ 1073.854085][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1073.854085][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1073.854085][ T1167] ___sys_sendmsg+0xee/0x170 [ 1073.854085][ T1167] __sys_sendmsg+0xcd/0x170 [ 1073.854085][ T1167] do_syscall_64+0xc6/0x1e0 [ 1073.854085][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.854085][ T1167] [ 1073.856362][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1073.856362][ T1167] netdev_get_by_index+0x5e/0x80 [ 1073.856362][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1073.856362][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1073.856362][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1073.856362][ T1167] ipv6_add_addr+0x411/0x2000 [ 1073.856362][ T1167] inet6_addr_add+0x30e/0xa40 [ 1073.856362][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1073.856362][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.856362][ T1167] netlink_rcv_skb+0x130/0x360 [ 1073.856362][ T1167] netlink_unicast+0x449/0x710 [ 1073.856362][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1073.856362][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1073.856362][ T1167] ___sys_sendmsg+0xee/0x170 [ 1073.856362][ T1167] __sys_sendmsg+0xcd/0x170 [ 1073.856362][ T1167] do_syscall_64+0xc6/0x1e0 [ 1073.856362][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.856362][ T1167] [ 1073.858605][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1073.858605][ T1167] netdev_get_by_index+0x5e/0x80 [ 1073.858605][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1073.858605][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1073.858605][ T1167] ip6_route_add+0x1c/0x140 [ 1073.858605][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1073.858605][ T1167] addrconf_add_dev+0xe2/0x170 [ 1073.858605][ T1167] inet6_addr_add+0x12f/0xa40 [ 1073.858605][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1073.858605][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.858605][ T1167] netlink_rcv_skb+0x130/0x360 [ 1073.858605][ T1167] netlink_unicast+0x449/0x710 [ 1073.858605][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1073.858605][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1073.858605][ T1167] ___sys_sendmsg+0xee/0x170 [ 1073.858605][ T1167] __sys_sendmsg+0xcd/0x170 [ 1073.858605][ T1167] do_syscall_64+0xc6/0x1e0 [ 1073.858605][ T1167] [ 1073.860798][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1073.860798][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1073.860798][ T1167] ipv6_find_idev+0x102/0x170 [ 1073.860798][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1073.860798][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.860798][ T1167] netlink_rcv_skb+0x130/0x360 [ 1073.860798][ T1167] netlink_unicast+0x449/0x710 [ 1073.860798][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1073.860798][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1073.860798][ T1167] ___sys_sendmsg+0xee/0x170 [ 1073.860798][ T1167] __sys_sendmsg+0xcd/0x170 [ 1073.860798][ T1167] do_syscall_64+0xc6/0x1e0 [ 1073.860798][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.860798][ T1167] [ 1073.862519][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1073.862519][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1073.862519][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1073.862519][ T1167] ipv6_find_idev+0x102/0x170 [ 1073.862519][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1073.862519][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1073.862519][ T1167] netlink_rcv_skb+0x130/0x360 [ 1073.862519][ T1167] netlink_unicast+0x449/0x710 [ 1073.862519][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1073.862519][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1073.862519][ T1167] ___sys_sendmsg+0xee/0x170 [ 1073.862519][ T1167] __sys_sendmsg+0xcd/0x170 [ 1073.862519][ T1167] do_syscall_64+0xc6/0x1e0 [ 1073.862519][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1073.862519][ T1167] [ 1075.129183][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1075.129584][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1075.129584][ T10] netdev_get_by_index+0x5e/0x80 [ 1075.129584][ T10] fib6_nh_init+0x3d8/0x1580 [ 1075.129584][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1075.129584][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1075.129584][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1075.129584][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1075.129584][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1075.129584][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1075.129584][ T10] addrconf_dad_begin+0x310/0x670 [ 1075.129584][ T10] addrconf_dad_work+0x10b/0xab0 [ 1075.129584][ T10] process_one_work+0x84d/0x18a0 [ 1075.129584][ T10] worker_thread+0x587/0xd30 [ 1075.129584][ T10] kthread+0x28a/0x350 [ 1075.129584][ T10] ret_from_fork+0x31/0x70 [ 1075.129584][ T10] ret_from_fork_asm+0x1a/0x30 [ 1075.129584][ T10] [ 1075.131560][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1075.131560][ T10] netdev_get_by_index+0x5e/0x80 [ 1075.131560][ T10] fib6_nh_init+0x3d8/0x1580 [ 1075.131560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1075.131560][ T10] ip6_route_add+0x1c/0x140 [ 1075.131560][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1075.131560][ T10] inet6_addr_add+0x4f8/0xa40 [ 1075.131560][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1075.131560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1075.131560][ T10] netlink_rcv_skb+0x130/0x360 [ 1075.131560][ T10] netlink_unicast+0x449/0x710 [ 1075.131560][ T10] netlink_sendmsg+0x723/0xbe0 [ 1075.131560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1075.131560][ T10] ___sys_sendmsg+0xee/0x170 [ 1075.131560][ T10] __sys_sendmsg+0xcd/0x170 [ 1075.131560][ T10] do_syscall_64+0xc6/0x1e0 [ 1075.131560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1075.131560][ T10] [ 1075.133594][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1075.133594][ T10] netdev_get_by_index+0x5e/0x80 [ 1075.133594][ T10] fib6_nh_init+0x3d8/0x1580 [ 1075.133594][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1075.133594][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1075.133594][ T10] ipv6_add_addr+0x411/0x2000 [ 1075.133594][ T10] inet6_addr_add+0x30e/0xa40 [ 1075.133594][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1075.133594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1075.133594][ T10] netlink_rcv_skb+0x130/0x360 [ 1075.133594][ T10] netlink_unicast+0x449/0x710 [ 1075.133594][ T10] netlink_sendmsg+0x723/0xbe0 [ 1075.133594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1075.133594][ T10] ___sys_sendmsg+0xee/0x170 [ 1075.133594][ T10] __sys_sendmsg+0xcd/0x170 [ 1075.133594][ T10] do_syscall_64+0xc6/0x1e0 [ 1075.133594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1075.133594][ T10] [ 1075.135590][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1075.135590][ T10] netdev_get_by_index+0x5e/0x80 [ 1075.135590][ T10] fib6_nh_init+0x3d8/0x1580 [ 1075.135590][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1075.135590][ T10] ip6_route_add+0x1c/0x140 [ 1075.135590][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1075.135590][ T10] addrconf_add_dev+0xe2/0x170 [ 1075.135590][ T10] inet6_addr_add+0x12f/0xa40 [ 1075.135590][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1075.135590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1075.135590][ T10] netlink_rcv_skb+0x130/0x360 [ 1075.135590][ T10] netlink_unicast+0x449/0x710 [ 1075.135590][ T10] netlink_sendmsg+0x723/0xbe0 [ 1075.135590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1075.135590][ T10] ___sys_sendmsg+0xee/0x170 [ 1075.135590][ T10] __sys_sendmsg+0xcd/0x170 [ 1075.135590][ T10] do_syscall_64+0xc6/0x1e0 [ 1075.135590][ T10] [ 1075.137704][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1075.137704][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1075.137704][ T10] ipv6_find_idev+0x102/0x170 [ 1075.137704][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1075.137704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1075.137704][ T10] netlink_rcv_skb+0x130/0x360 [ 1075.137704][ T10] netlink_unicast+0x449/0x710 [ 1075.137704][ T10] netlink_sendmsg+0x723/0xbe0 [ 1075.137704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1075.137704][ T10] ___sys_sendmsg+0xee/0x170 [ 1075.137704][ T10] __sys_sendmsg+0xcd/0x170 [ 1075.137704][ T10] do_syscall_64+0xc6/0x1e0 [ 1075.137704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1075.137704][ T10] [ 1075.139358][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1075.139358][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1075.139358][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1075.139358][ T10] ipv6_find_idev+0x102/0x170 [ 1075.139358][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1075.139358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1075.139358][ T10] netlink_rcv_skb+0x130/0x360 [ 1075.139358][ T10] netlink_unicast+0x449/0x710 [ 1075.139358][ T10] netlink_sendmsg+0x723/0xbe0 [ 1075.139358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1075.139358][ T10] ___sys_sendmsg+0xee/0x170 [ 1075.139358][ T10] __sys_sendmsg+0xcd/0x170 [ 1075.139358][ T10] do_syscall_64+0xc6/0x1e0 [ 1075.139358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1075.139358][ T10] [ 1075.141181][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1075.141439][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1075.141439][ T10] netdev_get_by_index+0x5e/0x80 [ 1075.141439][ T10] fib6_nh_init+0x3d8/0x1580 [ 1075.141439][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1075.141439][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1075.141439][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1075.141439][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1075.141439][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1075.141439][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1075.141439][ T10] addrconf_dad_begin+0x310/0x670 [ 1075.141439][ T10] addrconf_dad_work+0x10b/0xab0 [ 1075.141439][ T10] process_one_work+0x84d/0x18a0 [ 1075.141439][ T10] worker_thread+0x587/0xd30 [ 1075.141439][ T10] kthread+0x28a/0x350 [ 1075.141439][ T10] ret_from_fork+0x31/0x70 [ 1075.141439][ T10] ret_from_fork_asm+0x1a/0x30 [ 1075.141439][ T10] [ 1075.143509][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1075.143509][ T10] netdev_get_by_index+0x5e/0x80 [ 1075.143509][ T10] fib6_nh_init+0x3d8/0x1580 [ 1075.143509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1075.143509][ T10] ip6_route_add+0x1c/0x140 [ 1075.143509][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1075.143509][ T10] inet6_addr_add+0x4f8/0xa40 [ 1075.143509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1075.143509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1075.143509][ T10] netlink_rcv_skb+0x130/0x360 [ 1075.143509][ T10] netlink_unicast+0x449/0x710 [ 1075.143509][ T10] netlink_sendmsg+0x723/0xbe0 [ 1075.143509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1075.143509][ T10] ___sys_sendmsg+0xee/0x170 [ 1075.143509][ T10] __sys_sendmsg+0xcd/0x170 [ 1075.143509][ T10] do_syscall_64+0xc6/0x1e0 [ 1075.143509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1075.143509][ T10] [ 1075.145607][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1075.145607][ T10] netdev_get_by_index+0x5e/0x80 [ 1075.145607][ T10] fib6_nh_init+0x3d8/0x1580 [ 1075.145607][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1075.145607][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1075.145607][ T10] ipv6_add_addr+0x411/0x2000 [ 1075.145607][ T10] inet6_addr_add+0x30e/0xa40 [ 1075.145607][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1075.145607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1075.145607][ T10] netlink_rcv_skb+0x130/0x360 [ 1075.145607][ T10] netlink_unicast+0x449/0x710 [ 1075.145607][ T10] netlink_sendmsg+0x723/0xbe0 [ 1075.145607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1075.145607][ T10] ___sys_sendmsg+0xee/0x170 [ 1075.145607][ T10] __sys_sendmsg+0xcd/0x170 [ 1075.145607][ T10] do_syscall_64+0xc6/0x1e0 [ 1075.145607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1075.145607][ T10] [ 1075.147644][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1075.147644][ T10] netdev_get_by_index+0x5e/0x80 [ 1075.147644][ T10] fib6_nh_init+0x3d8/0x1580 [ 1075.147644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1075.147644][ T10] ip6_route_add+0x1c/0x140 [ 1075.147644][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1075.147644][ T10] addrconf_add_dev+0xe2/0x170 [ 1075.147644][ T10] inet6_addr_add+0x12f/0xa40 [ 1075.147644][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1075.147644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1075.147644][ T10] netlink_rcv_skb+0x130/0x360 [ 1075.147644][ T10] netlink_unicast+0x449/0x710 [ 1075.147644][ T10] netlink_sendmsg+0x723/0xbe0 [ 1075.147644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1075.147644][ T10] ___sys_sendmsg+0xee/0x170 [ 1075.147644][ T10] __sys_sendmsg+0xcd/0x170 [ 1075.147644][ T10] do_syscall_64+0xc6/0x1e0 [ 1075.147644][ T10] [ 1075.149651][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1075.149651][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1075.149651][ T10] ipv6_find_idev+0x102/0x170 [ 1075.149651][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1075.149651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1075.149651][ T10] netlink_rcv_skb+0x130/0x360 [ 1075.149651][ T10] netlink_unicast+0x449/0x710 [ 1075.149651][ T10] netlink_sendmsg+0x723/0xbe0 [ 1075.149651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1075.149651][ T10] ___sys_sendmsg+0xee/0x170 [ 1075.149651][ T10] __sys_sendmsg+0xcd/0x170 [ 1075.149651][ T10] do_syscall_64+0xc6/0x1e0 [ 1075.149651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1075.149651][ T10] [ 1075.151232][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1075.151232][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1075.151232][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1075.151232][ T10] ipv6_find_idev+0x102/0x170 [ 1075.151232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1075.151232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1075.151232][ T10] netlink_rcv_skb+0x130/0x360 [ 1075.151232][ T10] netlink_unicast+0x449/0x710 [ 1075.151232][ T10] netlink_sendmsg+0x723/0xbe0 [ 1075.151232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1075.151232][ T10] ___sys_sendmsg+0xee/0x170 [ 1075.151232][ T10] __sys_sendmsg+0xcd/0x170 [ 1075.151232][ T10] do_syscall_64+0xc6/0x1e0 [ 1075.151232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1075.151232][ T10] [ 1075.152966][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1075.153237][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1075.153237][ T10] netdev_get_by_index+0x5e/0x80 [ 1075.153237][ T10] fib6_nh_init+0x3d8/0x1580 [ 1075.153237][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1075.153237][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1075.153237][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1075.153237][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1075.153237][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1075.153237][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1075.153237][ T10] addrconf_dad_begin+0x310/0x670 [ 1075.153237][ T10] addrconf_dad_work+0x10b/0xab0 [ 1075.153237][ T10] process_one_work+0x84d/0x18a0 [ 1075.153237][ T10] worker_thread+0x587/0xd30 [ 1075.153237][ T10] kthread+0x28a/0x350 [ 1075.153237][ T10] ret_from_fork+0x31/0x70 [ 1075.153237][ T10] ret_from_fork_asm+0x1a/0x30 [ 1075.153237][ T10] [ 1075.155241][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1075.155241][ T10] netdev_get_by_index+0x5e/0x80 [ 1075.155241][ T10] fib6_nh_init+0x3d8/0x1580 [ 1075.155241][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1075.155241][ T10] ip6_route_add+0x1c/0x140 [ 1075.155241][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1075.155241][ T10] inet6_addr_add+0x4f8/0xa40 [ 1075.155241][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1075.155241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1075.155241][ T10] netlink_rcv_skb+0x130/0x360 [ 1075.155241][ T10] netlink_unicast+0x449/0x710 [ 1075.155241][ T10] netlink_sendmsg+0x723/0xbe0 [ 1075.155241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1075.155241][ T10] ___sys_sendmsg+0xee/0x170 [ 1075.155241][ T10] __sys_sendmsg+0xcd/0x170 [ 1075.155241][ T10] do_syscall_64+0xc6/0x1e0 [ 1075.155241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1075.155241][ T10] [ 1075.157513][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1075.157513][ T10] netdev_get_by_index+0x5e/0x80 [ 1075.157513][ T10] fib6_nh_init+0x3d8/0x1580 [ 1075.157513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1075.157513][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1075.157513][ T10] ipv6_add_addr+0x411/0x2000 [ 1075.157513][ T10] inet6_addr_add+0x30e/0xa40 [ 1075.157513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1075.157513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1075.157513][ T10] netlink_rcv_skb+0x130/0x360 [ 1075.157513][ T10] netlink_unicast+0x449/0x710 [ 1075.157513][ T10] netlink_sendmsg+0x723/0xbe0 [ 1075.157513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1075.157513][ T10] ___sys_sendmsg+0xee/0x170 [ 1075.157513][ T10] __sys_sendmsg+0xcd/0x170 [ 1075.157513][ T10] do_syscall_64+0xc6/0x1e0 [ 1075.157513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1075.157513][ T10] [ 1075.159785][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1075.159785][ T10] netdev_get_by_index+0x5e/0x80 [ 1075.159785][ T10] fib6_nh_init+0x3d8/0x1580 [ 1075.159785][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1075.159785][ T10] ip6_route_add+0x1c/0x140 [ 1075.159785][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1075.159785][ T10] addrconf_add_dev+0xe2/0x170 [ 1075.159785][ T10] inet6_addr_add+0x12f/0xa40 [ 1075.159785][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1075.159785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1075.159785][ T10] netlink_rcv_skb+0x130/0x360 [ 1075.159785][ T10] netlink_unicast+0x449/0x710 [ 1075.159785][ T10] netlink_sendmsg+0x723/0xbe0 [ 1075.159785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1075.159785][ T10] ___sys_sendmsg+0xee/0x170 [ 1075.159785][ T10] __sys_sendmsg+0xcd/0x170 [ 1075.159785][ T10] do_syscall_64+0xc6/0x1e0 [ 1075.159785][ T10] [ 1075.161899][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1075.161899][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1075.161899][ T10] ipv6_find_idev+0x102/0x170 [ 1075.161899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1075.161899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1075.161899][ T10] netlink_rcv_skb+0x130/0x360 [ 1075.161899][ T10] netlink_unicast+0x449/0x710 [ 1075.161899][ T10] netlink_sendmsg+0x723/0xbe0 [ 1075.161899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1075.161899][ T10] ___sys_sendmsg+0xee/0x170 [ 1075.161899][ T10] __sys_sendmsg+0xcd/0x170 [ 1075.161899][ T10] do_syscall_64+0xc6/0x1e0 [ 1075.161899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1075.161899][ T10] [ 1075.163687][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1075.163687][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1075.163687][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1075.163687][ T10] ipv6_find_idev+0x102/0x170 [ 1075.163687][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1075.163687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1075.163687][ T10] netlink_rcv_skb+0x130/0x360 [ 1075.163687][ T10] netlink_unicast+0x449/0x710 [ 1075.163687][ T10] netlink_sendmsg+0x723/0xbe0 [ 1075.163687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1075.163687][ T10] ___sys_sendmsg+0xee/0x170 [ 1075.163687][ T10] __sys_sendmsg+0xcd/0x170 [ 1075.163687][ T10] do_syscall_64+0xc6/0x1e0 [ 1075.163687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1075.163687][ T10] [ 1075.165576][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1075.165919][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1075.165919][ T10] netdev_get_by_index+0x5e/0x80 [ 1075.165919][ T10] fib6_nh_init+0x3d8/0x1580 [ 1075.165919][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1075.165919][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1075.165919][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1075.165919][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1075.165919][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1075.165919][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1075.165919][ T10] addrconf_dad_begin+0x310/0x670 [ 1075.165919][ T10] addrconf_dad_work+0x10b/0xab0 [ 1075.165919][ T10] process_one_work+0x84d/0x18a0 [ 1075.165919][ T10] worker_thread+0x587/0xd30 [ 1075.165919][ T10] kthread+0x28a/0x350 [ 1075.165919][ T10] ret_from_fork+0x31/0x70 [ 1075.165919][ T10] ret_from_fork_asm+0x1a/0x30 [ 1075.165919][ T10] [ 1075.168105][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1075.168105][ T10] netdev_get_by_index+0x5e/0x80 [ 1075.168105][ T10] fib6_nh_init+0x3d8/0x1580 [ 1075.168105][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1075.168105][ T10] ip6_route_add+0x1c/0x140 [ 1075.168105][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1075.168105][ T10] inet6_addr_add+0x4f8/0xa40 [ 1075.168105][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1075.168105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1075.168105][ T10] netlink_rcv_skb+0x130/0x360 [ 1075.168105][ T10] netlink_unicast+0x449/0x710 [ 1075.168105][ T10] netlink_sendmsg+0x723/0xbe0 [ 1075.168105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1075.168105][ T10] ___sys_sendmsg+0xee/0x170 [ 1075.168105][ T10] __sys_sendmsg+0xcd/0x170 [ 1075.168105][ T10] do_syscall_64+0xc6/0x1e0 [ 1075.168105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1075.168105][ T10] [ 1075.170408][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1075.170408][ T10] netdev_get_by_index+0x5e/0x80 [ 1075.170408][ T10] fib6_nh_init+0x3d8/0x1580 [ 1075.170408][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1075.170408][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1075.170408][ T10] ipv6_add_addr+0x411/0x2000 [ 1075.170408][ T10] inet6_addr_add+0x30e/0xa40 [ 1075.170408][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1075.170408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1075.170408][ T10] netlink_rcv_skb+0x130/0x360 [ 1075.170408][ T10] netlink_unicast+0x449/0x710 [ 1075.170408][ T10] netlink_sendmsg+0x723/0xbe0 [ 1075.170408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1075.170408][ T10] ___sys_sendmsg+0xee/0x170 [ 1075.170408][ T10] __sys_sendmsg+0xcd/0x170 [ 1075.170408][ T10] do_syscall_64+0xc6/0x1e0 [ 1075.170408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1075.170408][ T10] [ 1075.172626][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1075.172626][ T10] netdev_get_by_index+0x5e/0x80 [ 1075.172626][ T10] fib6_nh_init+0x3d8/0x1580 [ 1075.172626][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1075.172626][ T10] ip6_route_add+0x1c/0x140 [ 1075.172626][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1075.172626][ T10] addrconf_add_dev+0xe2/0x170 [ 1075.172626][ T10] inet6_addr_add+0x12f/0xa40 [ 1075.172626][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1075.172626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1075.172626][ T10] netlink_rcv_skb+0x130/0x360 [ 1075.172626][ T10] netlink_unicast+0x449/0x710 [ 1075.172626][ T10] netlink_sendmsg+0x723/0xbe0 [ 1075.172626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1075.172626][ T10] ___sys_sendmsg+0xee/0x170 [ 1075.172626][ T10] __sys_sendmsg+0xcd/0x170 [ 1075.172626][ T10] do_syscall_64+0xc6/0x1e0 [ 1075.172626][ T10] [ 1075.174759][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1075.174759][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1075.174759][ T10] ipv6_find_idev+0x102/0x170 [ 1075.174759][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1075.174759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1075.174759][ T10] netlink_rcv_skb+0x130/0x360 [ 1075.174759][ T10] netlink_unicast+0x449/0x710 [ 1075.174759][ T10] netlink_sendmsg+0x723/0xbe0 [ 1075.174759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1075.174759][ T10] ___sys_sendmsg+0xee/0x170 [ 1075.174759][ T10] __sys_sendmsg+0xcd/0x170 [ 1075.174759][ T10] do_syscall_64+0xc6/0x1e0 [ 1075.174759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1075.174759][ T10] [ 1075.176542][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1075.176542][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1075.176542][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1075.176542][ T10] ipv6_find_idev+0x102/0x170 [ 1075.176542][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1075.176542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1075.176542][ T10] netlink_rcv_skb+0x130/0x360 [ 1075.176542][ T10] netlink_unicast+0x449/0x710 [ 1075.176542][ T10] netlink_sendmsg+0x723/0xbe0 [ 1075.176542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1075.176542][ T10] ___sys_sendmsg+0xee/0x170 [ 1075.176542][ T10] __sys_sendmsg+0xcd/0x170 [ 1075.176542][ T10] do_syscall_64+0xc6/0x1e0 [ 1075.176542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1075.176542][ T10] [ 1083.953093][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1083.953633][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1083.953633][ T1167] dst_init+0x84/0x4a0 [ 1083.953633][ T1167] dst_alloc+0x97/0x150 [ 1083.953633][ T1167] ip6_dst_alloc+0x23/0x90 [ 1083.953633][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1083.953633][ T1167] ip6_pol_route+0x56f/0x840 [ 1083.953633][ T1167] fib6_rule_lookup+0x334/0x630 [ 1083.953633][ T1167] ip6_route_output_flags+0x259/0x480 [ 1083.953633][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1083.953633][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1083.953633][ T1167] netlink_rcv_skb+0x130/0x360 [ 1083.953633][ T1167] netlink_unicast+0x449/0x710 [ 1083.953633][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1083.953633][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1083.953633][ T1167] ___sys_sendmsg+0xee/0x170 [ 1083.953633][ T1167] __sys_sendmsg+0xcd/0x170 [ 1083.953633][ T1167] do_syscall_64+0xc6/0x1e0 [ 1083.953633][ T1167] [ 1083.956125][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1083.956125][ T1167] netdev_get_by_index+0x5e/0x80 [ 1083.956125][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1083.956125][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1083.956125][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1083.956125][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1083.956125][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1083.956125][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1083.956125][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1083.956125][ T1167] addrconf_dad_begin+0x310/0x670 [ 1083.956125][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1083.956125][ T1167] process_one_work+0x84d/0x18a0 [ 1083.956125][ T1167] worker_thread+0x587/0xd30 [ 1083.956125][ T1167] kthread+0x28a/0x350 [ 1083.956125][ T1167] ret_from_fork+0x31/0x70 [ 1083.956125][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1083.956125][ T1167] [ 1083.958366][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1083.958366][ T1167] netdev_get_by_index+0x5e/0x80 [ 1083.958366][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1083.958366][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1083.958366][ T1167] ip6_route_add+0x1c/0x140 [ 1083.958366][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1083.958366][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1083.958366][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1083.958366][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.958366][ T1167] netlink_rcv_skb+0x130/0x360 [ 1083.958366][ T1167] netlink_unicast+0x449/0x710 [ 1083.958366][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1083.958366][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1083.958366][ T1167] ___sys_sendmsg+0xee/0x170 [ 1083.958366][ T1167] __sys_sendmsg+0xcd/0x170 [ 1083.958366][ T1167] do_syscall_64+0xc6/0x1e0 [ 1083.958366][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1083.958366][ T1167] [ 1083.960758][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1083.960758][ T1167] netdev_get_by_index+0x5e/0x80 [ 1083.960758][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1083.960758][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1083.960758][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1083.960758][ T1167] ipv6_add_addr+0x411/0x2000 [ 1083.960758][ T1167] inet6_addr_add+0x30e/0xa40 [ 1083.960758][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1083.960758][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.960758][ T1167] netlink_rcv_skb+0x130/0x360 [ 1083.960758][ T1167] netlink_unicast+0x449/0x710 [ 1083.960758][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1083.960758][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1083.960758][ T1167] ___sys_sendmsg+0xee/0x170 [ 1083.960758][ T1167] __sys_sendmsg+0xcd/0x170 [ 1083.960758][ T1167] do_syscall_64+0xc6/0x1e0 [ 1083.960758][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1083.960758][ T1167] [ 1083.963661][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1083.963661][ T1167] netdev_get_by_index+0x5e/0x80 [ 1083.963661][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1083.963661][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1083.963661][ T1167] ip6_route_add+0x1c/0x140 [ 1083.963661][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1083.963661][ T1167] addrconf_add_dev+0xe2/0x170 [ 1083.963661][ T1167] inet6_addr_add+0x12f/0xa40 [ 1083.963661][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1083.963661][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.963661][ T1167] netlink_rcv_skb+0x130/0x360 [ 1083.963661][ T1167] netlink_unicast+0x449/0x710 [ 1083.963661][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1083.963661][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1083.963661][ T1167] ___sys_sendmsg+0xee/0x170 [ 1083.963661][ T1167] __sys_sendmsg+0xcd/0x170 [ 1083.963661][ T1167] do_syscall_64+0xc6/0x1e0 [ 1083.963661][ T1167] [ 1083.967305][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1083.967305][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1083.967305][ T1167] ipv6_find_idev+0x102/0x170 [ 1083.967305][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1083.967305][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.967305][ T1167] netlink_rcv_skb+0x130/0x360 [ 1083.967305][ T1167] netlink_unicast+0x449/0x710 [ 1083.967305][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1083.967305][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1083.967305][ T1167] ___sys_sendmsg+0xee/0x170 [ 1083.967305][ T1167] __sys_sendmsg+0xcd/0x170 [ 1083.967305][ T1167] do_syscall_64+0xc6/0x1e0 [ 1083.967305][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1083.967305][ T1167] [ 1083.969341][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1083.969341][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1083.969341][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1083.969341][ T1167] ipv6_find_idev+0x102/0x170 [ 1083.969341][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1083.969341][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1083.969341][ T1167] netlink_rcv_skb+0x130/0x360 [ 1083.969341][ T1167] netlink_unicast+0x449/0x710 [ 1083.969341][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1083.969341][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1083.969341][ T1167] ___sys_sendmsg+0xee/0x170 [ 1083.969341][ T1167] __sys_sendmsg+0xcd/0x170 [ 1083.969341][ T1167] do_syscall_64+0xc6/0x1e0 [ 1083.969341][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1083.969341][ T1167] [ 1085.233153][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1085.233609][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1085.233609][ T10] netdev_get_by_index+0x5e/0x80 [ 1085.233609][ T10] fib6_nh_init+0x3d8/0x1580 [ 1085.233609][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1085.233609][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1085.233609][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1085.233609][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1085.233609][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1085.233609][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1085.233609][ T10] addrconf_dad_begin+0x310/0x670 [ 1085.233609][ T10] addrconf_dad_work+0x10b/0xab0 [ 1085.233609][ T10] process_one_work+0x84d/0x18a0 [ 1085.233609][ T10] worker_thread+0x587/0xd30 [ 1085.233609][ T10] kthread+0x28a/0x350 [ 1085.233609][ T10] ret_from_fork+0x31/0x70 [ 1085.233609][ T10] ret_from_fork_asm+0x1a/0x30 [ 1085.233609][ T10] [ 1085.235819][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1085.235819][ T10] netdev_get_by_index+0x5e/0x80 [ 1085.235819][ T10] fib6_nh_init+0x3d8/0x1580 [ 1085.235819][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1085.235819][ T10] ip6_route_add+0x1c/0x140 [ 1085.235819][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1085.235819][ T10] inet6_addr_add+0x4f8/0xa40 [ 1085.235819][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1085.235819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1085.235819][ T10] netlink_rcv_skb+0x130/0x360 [ 1085.235819][ T10] netlink_unicast+0x449/0x710 [ 1085.235819][ T10] netlink_sendmsg+0x723/0xbe0 [ 1085.235819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1085.235819][ T10] ___sys_sendmsg+0xee/0x170 [ 1085.235819][ T10] __sys_sendmsg+0xcd/0x170 [ 1085.235819][ T10] do_syscall_64+0xc6/0x1e0 [ 1085.235819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1085.235819][ T10] [ 1085.238107][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1085.238107][ T10] netdev_get_by_index+0x5e/0x80 [ 1085.238107][ T10] fib6_nh_init+0x3d8/0x1580 [ 1085.238107][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1085.238107][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1085.238107][ T10] ipv6_add_addr+0x411/0x2000 [ 1085.238107][ T10] inet6_addr_add+0x30e/0xa40 [ 1085.238107][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1085.238107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1085.238107][ T10] netlink_rcv_skb+0x130/0x360 [ 1085.238107][ T10] netlink_unicast+0x449/0x710 [ 1085.238107][ T10] netlink_sendmsg+0x723/0xbe0 [ 1085.238107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1085.238107][ T10] ___sys_sendmsg+0xee/0x170 [ 1085.238107][ T10] __sys_sendmsg+0xcd/0x170 [ 1085.238107][ T10] do_syscall_64+0xc6/0x1e0 [ 1085.238107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1085.238107][ T10] [ 1085.240408][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1085.240408][ T10] netdev_get_by_index+0x5e/0x80 [ 1085.240408][ T10] fib6_nh_init+0x3d8/0x1580 [ 1085.240408][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1085.240408][ T10] ip6_route_add+0x1c/0x140 [ 1085.240408][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1085.240408][ T10] addrconf_add_dev+0xe2/0x170 [ 1085.240408][ T10] inet6_addr_add+0x12f/0xa40 [ 1085.240408][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1085.240408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1085.240408][ T10] netlink_rcv_skb+0x130/0x360 [ 1085.240408][ T10] netlink_unicast+0x449/0x710 [ 1085.240408][ T10] netlink_sendmsg+0x723/0xbe0 [ 1085.240408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1085.240408][ T10] ___sys_sendmsg+0xee/0x170 [ 1085.240408][ T10] __sys_sendmsg+0xcd/0x170 [ 1085.240408][ T10] do_syscall_64+0xc6/0x1e0 [ 1085.240408][ T10] [ 1085.242681][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1085.242681][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1085.242681][ T10] ipv6_find_idev+0x102/0x170 [ 1085.242681][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1085.242681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1085.242681][ T10] netlink_rcv_skb+0x130/0x360 [ 1085.242681][ T10] netlink_unicast+0x449/0x710 [ 1085.242681][ T10] netlink_sendmsg+0x723/0xbe0 [ 1085.242681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1085.242681][ T10] ___sys_sendmsg+0xee/0x170 [ 1085.242681][ T10] __sys_sendmsg+0xcd/0x170 [ 1085.242681][ T10] do_syscall_64+0xc6/0x1e0 [ 1085.242681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1085.242681][ T10] [ 1085.244492][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1085.244492][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1085.244492][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1085.244492][ T10] ipv6_find_idev+0x102/0x170 [ 1085.244492][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1085.244492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1085.244492][ T10] netlink_rcv_skb+0x130/0x360 [ 1085.244492][ T10] netlink_unicast+0x449/0x710 [ 1085.244492][ T10] netlink_sendmsg+0x723/0xbe0 [ 1085.244492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1085.244492][ T10] ___sys_sendmsg+0xee/0x170 [ 1085.244492][ T10] __sys_sendmsg+0xcd/0x170 [ 1085.244492][ T10] do_syscall_64+0xc6/0x1e0 [ 1085.244492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1085.244492][ T10] [ 1085.246483][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1085.246769][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1085.246769][ T10] netdev_get_by_index+0x5e/0x80 [ 1085.246769][ T10] fib6_nh_init+0x3d8/0x1580 [ 1085.246769][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1085.246769][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1085.246769][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1085.246769][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1085.246769][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1085.246769][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1085.246769][ T10] addrconf_dad_begin+0x310/0x670 [ 1085.246769][ T10] addrconf_dad_work+0x10b/0xab0 [ 1085.246769][ T10] process_one_work+0x84d/0x18a0 [ 1085.246769][ T10] worker_thread+0x587/0xd30 [ 1085.246769][ T10] kthread+0x28a/0x350 [ 1085.246769][ T10] ret_from_fork+0x31/0x70 [ 1085.246769][ T10] ret_from_fork_asm+0x1a/0x30 [ 1085.246769][ T10] [ 1085.248987][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1085.248987][ T10] netdev_get_by_index+0x5e/0x80 [ 1085.248987][ T10] fib6_nh_init+0x3d8/0x1580 [ 1085.248987][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1085.248987][ T10] ip6_route_add+0x1c/0x140 [ 1085.248987][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1085.248987][ T10] inet6_addr_add+0x4f8/0xa40 [ 1085.248987][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1085.248987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1085.248987][ T10] netlink_rcv_skb+0x130/0x360 [ 1085.248987][ T10] netlink_unicast+0x449/0x710 [ 1085.248987][ T10] netlink_sendmsg+0x723/0xbe0 [ 1085.248987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1085.248987][ T10] ___sys_sendmsg+0xee/0x170 [ 1085.248987][ T10] __sys_sendmsg+0xcd/0x170 [ 1085.248987][ T10] do_syscall_64+0xc6/0x1e0 [ 1085.248987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1085.248987][ T10] [ 1085.251269][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1085.251269][ T10] netdev_get_by_index+0x5e/0x80 [ 1085.251269][ T10] fib6_nh_init+0x3d8/0x1580 [ 1085.251269][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1085.251269][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1085.251269][ T10] ipv6_add_addr+0x411/0x2000 [ 1085.251269][ T10] inet6_addr_add+0x30e/0xa40 [ 1085.251269][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1085.251269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1085.251269][ T10] netlink_rcv_skb+0x130/0x360 [ 1085.251269][ T10] netlink_unicast+0x449/0x710 [ 1085.251269][ T10] netlink_sendmsg+0x723/0xbe0 [ 1085.251269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1085.251269][ T10] ___sys_sendmsg+0xee/0x170 [ 1085.251269][ T10] __sys_sendmsg+0xcd/0x170 [ 1085.251269][ T10] do_syscall_64+0xc6/0x1e0 [ 1085.251269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1085.251269][ T10] [ 1085.253595][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1085.253595][ T10] netdev_get_by_index+0x5e/0x80 [ 1085.253595][ T10] fib6_nh_init+0x3d8/0x1580 [ 1085.253595][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1085.253595][ T10] ip6_route_add+0x1c/0x140 [ 1085.253595][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1085.253595][ T10] addrconf_add_dev+0xe2/0x170 [ 1085.253595][ T10] inet6_addr_add+0x12f/0xa40 [ 1085.253595][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1085.253595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1085.253595][ T10] netlink_rcv_skb+0x130/0x360 [ 1085.253595][ T10] netlink_unicast+0x449/0x710 [ 1085.253595][ T10] netlink_sendmsg+0x723/0xbe0 [ 1085.253595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1085.253595][ T10] ___sys_sendmsg+0xee/0x170 [ 1085.253595][ T10] __sys_sendmsg+0xcd/0x170 [ 1085.253595][ T10] do_syscall_64+0xc6/0x1e0 [ 1085.253595][ T10] [ 1085.255805][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1085.255805][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1085.255805][ T10] ipv6_find_idev+0x102/0x170 [ 1085.255805][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1085.255805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1085.255805][ T10] netlink_rcv_skb+0x130/0x360 [ 1085.255805][ T10] netlink_unicast+0x449/0x710 [ 1085.255805][ T10] netlink_sendmsg+0x723/0xbe0 [ 1085.255805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1085.255805][ T10] ___sys_sendmsg+0xee/0x170 [ 1085.255805][ T10] __sys_sendmsg+0xcd/0x170 [ 1085.255805][ T10] do_syscall_64+0xc6/0x1e0 [ 1085.255805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1085.255805][ T10] [ 1085.257541][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1085.257541][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1085.257541][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1085.257541][ T10] ipv6_find_idev+0x102/0x170 [ 1085.257541][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1085.257541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1085.257541][ T10] netlink_rcv_skb+0x130/0x360 [ 1085.257541][ T10] netlink_unicast+0x449/0x710 [ 1085.257541][ T10] netlink_sendmsg+0x723/0xbe0 [ 1085.257541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1085.257541][ T10] ___sys_sendmsg+0xee/0x170 [ 1085.257541][ T10] __sys_sendmsg+0xcd/0x170 [ 1085.257541][ T10] do_syscall_64+0xc6/0x1e0 [ 1085.257541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1085.257541][ T10] [ 1085.259485][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1085.259767][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1085.259767][ T10] netdev_get_by_index+0x5e/0x80 [ 1085.259767][ T10] fib6_nh_init+0x3d8/0x1580 [ 1085.259767][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1085.259767][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1085.259767][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1085.259767][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1085.259767][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1085.259767][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1085.259767][ T10] addrconf_dad_begin+0x310/0x670 [ 1085.259767][ T10] addrconf_dad_work+0x10b/0xab0 [ 1085.259767][ T10] process_one_work+0x84d/0x18a0 [ 1085.259767][ T10] worker_thread+0x587/0xd30 [ 1085.259767][ T10] kthread+0x28a/0x350 [ 1085.259767][ T10] ret_from_fork+0x31/0x70 [ 1085.259767][ T10] ret_from_fork_asm+0x1a/0x30 [ 1085.259767][ T10] [ 1085.261938][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1085.261938][ T10] netdev_get_by_index+0x5e/0x80 [ 1085.261938][ T10] fib6_nh_init+0x3d8/0x1580 [ 1085.261938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1085.261938][ T10] ip6_route_add+0x1c/0x140 [ 1085.261938][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1085.261938][ T10] inet6_addr_add+0x4f8/0xa40 [ 1085.261938][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1085.261938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1085.261938][ T10] netlink_rcv_skb+0x130/0x360 [ 1085.261938][ T10] netlink_unicast+0x449/0x710 [ 1085.261938][ T10] netlink_sendmsg+0x723/0xbe0 [ 1085.261938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1085.261938][ T10] ___sys_sendmsg+0xee/0x170 [ 1085.261938][ T10] __sys_sendmsg+0xcd/0x170 [ 1085.261938][ T10] do_syscall_64+0xc6/0x1e0 [ 1085.261938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1085.261938][ T10] [ 1085.264874][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1085.264874][ T10] netdev_get_by_index+0x5e/0x80 [ 1085.264874][ T10] fib6_nh_init+0x3d8/0x1580 [ 1085.264874][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1085.264874][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1085.264874][ T10] ipv6_add_addr+0x411/0x2000 [ 1085.264874][ T10] inet6_addr_add+0x30e/0xa40 [ 1085.264874][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1085.264874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1085.264874][ T10] netlink_rcv_skb+0x130/0x360 [ 1085.264874][ T10] netlink_unicast+0x449/0x710 [ 1085.264874][ T10] netlink_sendmsg+0x723/0xbe0 [ 1085.264874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1085.264874][ T10] ___sys_sendmsg+0xee/0x170 [ 1085.264874][ T10] __sys_sendmsg+0xcd/0x170 [ 1085.264874][ T10] do_syscall_64+0xc6/0x1e0 [ 1085.264874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1085.264874][ T10] [ 1085.267265][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1085.267265][ T10] netdev_get_by_index+0x5e/0x80 [ 1085.267265][ T10] fib6_nh_init+0x3d8/0x1580 [ 1085.267265][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1085.267265][ T10] ip6_route_add+0x1c/0x140 [ 1085.267265][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1085.267265][ T10] addrconf_add_dev+0xe2/0x170 [ 1085.267265][ T10] inet6_addr_add+0x12f/0xa40 [ 1085.267265][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1085.267265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1085.267265][ T10] netlink_rcv_skb+0x130/0x360 [ 1085.267265][ T10] netlink_unicast+0x449/0x710 [ 1085.267265][ T10] netlink_sendmsg+0x723/0xbe0 [ 1085.267265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1085.267265][ T10] ___sys_sendmsg+0xee/0x170 [ 1085.267265][ T10] __sys_sendmsg+0xcd/0x170 [ 1085.267265][ T10] do_syscall_64+0xc6/0x1e0 [ 1085.267265][ T10] [ 1085.269611][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1085.269611][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1085.269611][ T10] ipv6_find_idev+0x102/0x170 [ 1085.269611][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1085.269611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1085.269611][ T10] netlink_rcv_skb+0x130/0x360 [ 1085.269611][ T10] netlink_unicast+0x449/0x710 [ 1085.269611][ T10] netlink_sendmsg+0x723/0xbe0 [ 1085.269611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1085.269611][ T10] ___sys_sendmsg+0xee/0x170 [ 1085.269611][ T10] __sys_sendmsg+0xcd/0x170 [ 1085.269611][ T10] do_syscall_64+0xc6/0x1e0 [ 1085.269611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1085.269611][ T10] [ 1085.271421][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1085.271421][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1085.271421][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1085.271421][ T10] ipv6_find_idev+0x102/0x170 [ 1085.271421][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1085.271421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1085.271421][ T10] netlink_rcv_skb+0x130/0x360 [ 1085.271421][ T10] netlink_unicast+0x449/0x710 [ 1085.271421][ T10] netlink_sendmsg+0x723/0xbe0 [ 1085.271421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1085.271421][ T10] ___sys_sendmsg+0xee/0x170 [ 1085.271421][ T10] __sys_sendmsg+0xcd/0x170 [ 1085.271421][ T10] do_syscall_64+0xc6/0x1e0 [ 1085.271421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1085.271421][ T10] [ 1085.273472][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1085.273810][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1085.273810][ T10] netdev_get_by_index+0x5e/0x80 [ 1085.273810][ T10] fib6_nh_init+0x3d8/0x1580 [ 1085.273810][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1085.273810][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1085.273810][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1085.273810][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1085.273810][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1085.273810][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1085.273810][ T10] addrconf_dad_begin+0x310/0x670 [ 1085.273810][ T10] addrconf_dad_work+0x10b/0xab0 [ 1085.273810][ T10] process_one_work+0x84d/0x18a0 [ 1085.273810][ T10] worker_thread+0x587/0xd30 [ 1085.273810][ T10] kthread+0x28a/0x350 [ 1085.273810][ T10] ret_from_fork+0x31/0x70 [ 1085.273810][ T10] ret_from_fork_asm+0x1a/0x30 [ 1085.273810][ T10] [ 1085.276020][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1085.276020][ T10] netdev_get_by_index+0x5e/0x80 [ 1085.276020][ T10] fib6_nh_init+0x3d8/0x1580 [ 1085.276020][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1085.276020][ T10] ip6_route_add+0x1c/0x140 [ 1085.276020][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1085.276020][ T10] inet6_addr_add+0x4f8/0xa40 [ 1085.276020][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1085.276020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1085.276020][ T10] netlink_rcv_skb+0x130/0x360 [ 1085.276020][ T10] netlink_unicast+0x449/0x710 [ 1085.276020][ T10] netlink_sendmsg+0x723/0xbe0 [ 1085.276020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1085.276020][ T10] ___sys_sendmsg+0xee/0x170 [ 1085.276020][ T10] __sys_sendmsg+0xcd/0x170 [ 1085.276020][ T10] do_syscall_64+0xc6/0x1e0 [ 1085.276020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1085.276020][ T10] [ 1085.278410][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1085.278410][ T10] netdev_get_by_index+0x5e/0x80 [ 1085.278410][ T10] fib6_nh_init+0x3d8/0x1580 [ 1085.278410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1085.278410][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1085.278410][ T10] ipv6_add_addr+0x411/0x2000 [ 1085.278410][ T10] inet6_addr_add+0x30e/0xa40 [ 1085.278410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1085.278410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1085.278410][ T10] netlink_rcv_skb+0x130/0x360 [ 1085.278410][ T10] netlink_unicast+0x449/0x710 [ 1085.278410][ T10] netlink_sendmsg+0x723/0xbe0 [ 1085.278410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1085.278410][ T10] ___sys_sendmsg+0xee/0x170 [ 1085.278410][ T10] __sys_sendmsg+0xcd/0x170 [ 1085.278410][ T10] do_syscall_64+0xc6/0x1e0 [ 1085.278410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1085.278410][ T10] [ 1085.280789][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1085.280789][ T10] netdev_get_by_index+0x5e/0x80 [ 1085.280789][ T10] fib6_nh_init+0x3d8/0x1580 [ 1085.280789][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1085.280789][ T10] ip6_route_add+0x1c/0x140 [ 1085.280789][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1085.280789][ T10] addrconf_add_dev+0xe2/0x170 [ 1085.280789][ T10] inet6_addr_add+0x12f/0xa40 [ 1085.280789][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1085.280789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1085.280789][ T10] netlink_rcv_skb+0x130/0x360 [ 1085.280789][ T10] netlink_unicast+0x449/0x710 [ 1085.280789][ T10] netlink_sendmsg+0x723/0xbe0 [ 1085.280789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1085.280789][ T10] ___sys_sendmsg+0xee/0x170 [ 1085.280789][ T10] __sys_sendmsg+0xcd/0x170 [ 1085.280789][ T10] do_syscall_64+0xc6/0x1e0 [ 1085.280789][ T10] [ 1085.283214][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1085.283214][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1085.283214][ T10] ipv6_find_idev+0x102/0x170 [ 1085.283214][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1085.283214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1085.283214][ T10] netlink_rcv_skb+0x130/0x360 [ 1085.283214][ T10] netlink_unicast+0x449/0x710 [ 1085.283214][ T10] netlink_sendmsg+0x723/0xbe0 [ 1085.283214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1085.283214][ T10] ___sys_sendmsg+0xee/0x170 [ 1085.283214][ T10] __sys_sendmsg+0xcd/0x170 [ 1085.283214][ T10] do_syscall_64+0xc6/0x1e0 [ 1085.283214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1085.283214][ T10] [ 1085.285081][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1085.285081][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1085.285081][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1085.285081][ T10] ipv6_find_idev+0x102/0x170 [ 1085.285081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1085.285081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1085.285081][ T10] netlink_rcv_skb+0x130/0x360 [ 1085.285081][ T10] netlink_unicast+0x449/0x710 [ 1085.285081][ T10] netlink_sendmsg+0x723/0xbe0 [ 1085.285081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1085.285081][ T10] ___sys_sendmsg+0xee/0x170 [ 1085.285081][ T10] __sys_sendmsg+0xcd/0x170 [ 1085.285081][ T10] do_syscall_64+0xc6/0x1e0 [ 1085.285081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1085.285081][ T10] [ 1094.217121][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1094.217670][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1094.217670][ T1167] dst_init+0x84/0x4a0 [ 1094.217670][ T1167] dst_alloc+0x97/0x150 [ 1094.217670][ T1167] ip6_dst_alloc+0x23/0x90 [ 1094.217670][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1094.217670][ T1167] ip6_pol_route+0x56f/0x840 [ 1094.217670][ T1167] fib6_rule_lookup+0x334/0x630 [ 1094.217670][ T1167] ip6_route_output_flags+0x259/0x480 [ 1094.217670][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1094.217670][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1094.217670][ T1167] netlink_rcv_skb+0x130/0x360 [ 1094.217670][ T1167] netlink_unicast+0x449/0x710 [ 1094.217670][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1094.217670][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1094.217670][ T1167] ___sys_sendmsg+0xee/0x170 [ 1094.217670][ T1167] __sys_sendmsg+0xcd/0x170 [ 1094.217670][ T1167] do_syscall_64+0xc6/0x1e0 [ 1094.217670][ T1167] [ 1094.220134][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1094.220134][ T1167] netdev_get_by_index+0x5e/0x80 [ 1094.220134][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1094.220134][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1094.220134][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1094.220134][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1094.220134][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1094.220134][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1094.220134][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1094.220134][ T1167] addrconf_dad_begin+0x310/0x670 [ 1094.220134][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1094.220134][ T1167] process_one_work+0x84d/0x18a0 [ 1094.220134][ T1167] worker_thread+0x587/0xd30 [ 1094.220134][ T1167] kthread+0x28a/0x350 [ 1094.220134][ T1167] ret_from_fork+0x31/0x70 [ 1094.220134][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1094.220134][ T1167] [ 1094.222513][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1094.222513][ T1167] netdev_get_by_index+0x5e/0x80 [ 1094.222513][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1094.222513][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1094.222513][ T1167] ip6_route_add+0x1c/0x140 [ 1094.222513][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1094.222513][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1094.222513][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1094.222513][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.222513][ T1167] netlink_rcv_skb+0x130/0x360 [ 1094.222513][ T1167] netlink_unicast+0x449/0x710 [ 1094.222513][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1094.222513][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1094.222513][ T1167] ___sys_sendmsg+0xee/0x170 [ 1094.222513][ T1167] __sys_sendmsg+0xcd/0x170 [ 1094.222513][ T1167] do_syscall_64+0xc6/0x1e0 [ 1094.222513][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.222513][ T1167] [ 1094.225018][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1094.225018][ T1167] netdev_get_by_index+0x5e/0x80 [ 1094.225018][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1094.225018][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1094.225018][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1094.225018][ T1167] ipv6_add_addr+0x411/0x2000 [ 1094.225018][ T1167] inet6_addr_add+0x30e/0xa40 [ 1094.225018][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1094.225018][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.225018][ T1167] netlink_rcv_skb+0x130/0x360 [ 1094.225018][ T1167] netlink_unicast+0x449/0x710 [ 1094.225018][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1094.225018][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1094.225018][ T1167] ___sys_sendmsg+0xee/0x170 [ 1094.225018][ T1167] __sys_sendmsg+0xcd/0x170 [ 1094.225018][ T1167] do_syscall_64+0xc6/0x1e0 [ 1094.225018][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.225018][ T1167] [ 1094.227499][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1094.227499][ T1167] netdev_get_by_index+0x5e/0x80 [ 1094.227499][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1094.227499][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1094.227499][ T1167] ip6_route_add+0x1c/0x140 [ 1094.227499][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1094.227499][ T1167] addrconf_add_dev+0xe2/0x170 [ 1094.227499][ T1167] inet6_addr_add+0x12f/0xa40 [ 1094.227499][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1094.227499][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.227499][ T1167] netlink_rcv_skb+0x130/0x360 [ 1094.227499][ T1167] netlink_unicast+0x449/0x710 [ 1094.227499][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1094.227499][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1094.227499][ T1167] ___sys_sendmsg+0xee/0x170 [ 1094.227499][ T1167] __sys_sendmsg+0xcd/0x170 [ 1094.227499][ T1167] do_syscall_64+0xc6/0x1e0 [ 1094.227499][ T1167] [ 1094.229924][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1094.229924][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1094.229924][ T1167] ipv6_find_idev+0x102/0x170 [ 1094.229924][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1094.229924][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.229924][ T1167] netlink_rcv_skb+0x130/0x360 [ 1094.229924][ T1167] netlink_unicast+0x449/0x710 [ 1094.229924][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1094.229924][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1094.229924][ T1167] ___sys_sendmsg+0xee/0x170 [ 1094.229924][ T1167] __sys_sendmsg+0xcd/0x170 [ 1094.229924][ T1167] do_syscall_64+0xc6/0x1e0 [ 1094.229924][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.229924][ T1167] [ 1094.231823][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1094.231823][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1094.231823][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1094.231823][ T1167] ipv6_find_idev+0x102/0x170 [ 1094.231823][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1094.231823][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.231823][ T1167] netlink_rcv_skb+0x130/0x360 [ 1094.231823][ T1167] netlink_unicast+0x449/0x710 [ 1094.231823][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1094.231823][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1094.231823][ T1167] ___sys_sendmsg+0xee/0x170 [ 1094.231823][ T1167] __sys_sendmsg+0xcd/0x170 [ 1094.231823][ T1167] do_syscall_64+0xc6/0x1e0 [ 1094.231823][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.231823][ T1167] [ 1095.529173][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1095.529614][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1095.529614][ T10] netdev_get_by_index+0x5e/0x80 [ 1095.529614][ T10] fib6_nh_init+0x3d8/0x1580 [ 1095.529614][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1095.529614][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1095.529614][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1095.529614][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1095.529614][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1095.529614][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1095.529614][ T10] addrconf_dad_begin+0x310/0x670 [ 1095.529614][ T10] addrconf_dad_work+0x10b/0xab0 [ 1095.529614][ T10] process_one_work+0x84d/0x18a0 [ 1095.529614][ T10] worker_thread+0x587/0xd30 [ 1095.529614][ T10] kthread+0x28a/0x350 [ 1095.529614][ T10] ret_from_fork+0x31/0x70 [ 1095.529614][ T10] ret_from_fork_asm+0x1a/0x30 [ 1095.529614][ T10] [ 1095.531798][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1095.531798][ T10] netdev_get_by_index+0x5e/0x80 [ 1095.531798][ T10] fib6_nh_init+0x3d8/0x1580 [ 1095.531798][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1095.531798][ T10] ip6_route_add+0x1c/0x140 [ 1095.531798][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1095.531798][ T10] inet6_addr_add+0x4f8/0xa40 [ 1095.531798][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1095.531798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1095.531798][ T10] netlink_rcv_skb+0x130/0x360 [ 1095.531798][ T10] netlink_unicast+0x449/0x710 [ 1095.531798][ T10] netlink_sendmsg+0x723/0xbe0 [ 1095.531798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1095.531798][ T10] ___sys_sendmsg+0xee/0x170 [ 1095.531798][ T10] __sys_sendmsg+0xcd/0x170 [ 1095.531798][ T10] do_syscall_64+0xc6/0x1e0 [ 1095.531798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1095.531798][ T10] [ 1095.534144][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1095.534144][ T10] netdev_get_by_index+0x5e/0x80 [ 1095.534144][ T10] fib6_nh_init+0x3d8/0x1580 [ 1095.534144][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1095.534144][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1095.534144][ T10] ipv6_add_addr+0x411/0x2000 [ 1095.534144][ T10] inet6_addr_add+0x30e/0xa40 [ 1095.534144][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1095.534144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1095.534144][ T10] netlink_rcv_skb+0x130/0x360 [ 1095.534144][ T10] netlink_unicast+0x449/0x710 [ 1095.534144][ T10] netlink_sendmsg+0x723/0xbe0 [ 1095.534144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1095.534144][ T10] ___sys_sendmsg+0xee/0x170 [ 1095.534144][ T10] __sys_sendmsg+0xcd/0x170 [ 1095.534144][ T10] do_syscall_64+0xc6/0x1e0 [ 1095.534144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1095.534144][ T10] [ 1095.536410][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1095.536410][ T10] netdev_get_by_index+0x5e/0x80 [ 1095.536410][ T10] fib6_nh_init+0x3d8/0x1580 [ 1095.536410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1095.536410][ T10] ip6_route_add+0x1c/0x140 [ 1095.536410][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1095.536410][ T10] addrconf_add_dev+0xe2/0x170 [ 1095.536410][ T10] inet6_addr_add+0x12f/0xa40 [ 1095.536410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1095.536410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1095.536410][ T10] netlink_rcv_skb+0x130/0x360 [ 1095.536410][ T10] netlink_unicast+0x449/0x710 [ 1095.536410][ T10] netlink_sendmsg+0x723/0xbe0 [ 1095.536410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1095.536410][ T10] ___sys_sendmsg+0xee/0x170 [ 1095.536410][ T10] __sys_sendmsg+0xcd/0x170 [ 1095.536410][ T10] do_syscall_64+0xc6/0x1e0 [ 1095.536410][ T10] [ 1095.538635][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1095.538635][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1095.538635][ T10] ipv6_find_idev+0x102/0x170 [ 1095.538635][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1095.538635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1095.538635][ T10] netlink_rcv_skb+0x130/0x360 [ 1095.538635][ T10] netlink_unicast+0x449/0x710 [ 1095.538635][ T10] netlink_sendmsg+0x723/0xbe0 [ 1095.538635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1095.538635][ T10] ___sys_sendmsg+0xee/0x170 [ 1095.538635][ T10] __sys_sendmsg+0xcd/0x170 [ 1095.538635][ T10] do_syscall_64+0xc6/0x1e0 [ 1095.538635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1095.538635][ T10] [ 1095.540365][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1095.540365][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1095.540365][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1095.540365][ T10] ipv6_find_idev+0x102/0x170 [ 1095.540365][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1095.540365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1095.540365][ T10] netlink_rcv_skb+0x130/0x360 [ 1095.540365][ T10] netlink_unicast+0x449/0x710 [ 1095.540365][ T10] netlink_sendmsg+0x723/0xbe0 [ 1095.540365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1095.540365][ T10] ___sys_sendmsg+0xee/0x170 [ 1095.540365][ T10] __sys_sendmsg+0xcd/0x170 [ 1095.540365][ T10] do_syscall_64+0xc6/0x1e0 [ 1095.540365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1095.540365][ T10] [ 1095.542306][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1095.542587][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1095.542587][ T10] netdev_get_by_index+0x5e/0x80 [ 1095.542587][ T10] fib6_nh_init+0x3d8/0x1580 [ 1095.542587][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1095.542587][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1095.542587][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1095.542587][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1095.542587][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1095.542587][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1095.542587][ T10] addrconf_dad_begin+0x310/0x670 [ 1095.542587][ T10] addrconf_dad_work+0x10b/0xab0 [ 1095.542587][ T10] process_one_work+0x84d/0x18a0 [ 1095.542587][ T10] worker_thread+0x587/0xd30 [ 1095.542587][ T10] kthread+0x28a/0x350 [ 1095.542587][ T10] ret_from_fork+0x31/0x70 [ 1095.542587][ T10] ret_from_fork_asm+0x1a/0x30 [ 1095.542587][ T10] [ 1095.544760][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1095.544760][ T10] netdev_get_by_index+0x5e/0x80 [ 1095.544760][ T10] fib6_nh_init+0x3d8/0x1580 [ 1095.544760][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1095.544760][ T10] ip6_route_add+0x1c/0x140 [ 1095.544760][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1095.544760][ T10] inet6_addr_add+0x4f8/0xa40 [ 1095.544760][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1095.544760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1095.544760][ T10] netlink_rcv_skb+0x130/0x360 [ 1095.544760][ T10] netlink_unicast+0x449/0x710 [ 1095.544760][ T10] netlink_sendmsg+0x723/0xbe0 [ 1095.544760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1095.544760][ T10] ___sys_sendmsg+0xee/0x170 [ 1095.544760][ T10] __sys_sendmsg+0xcd/0x170 [ 1095.544760][ T10] do_syscall_64+0xc6/0x1e0 [ 1095.544760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1095.544760][ T10] [ 1095.547019][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1095.547019][ T10] netdev_get_by_index+0x5e/0x80 [ 1095.547019][ T10] fib6_nh_init+0x3d8/0x1580 [ 1095.547019][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1095.547019][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1095.547019][ T10] ipv6_add_addr+0x411/0x2000 [ 1095.547019][ T10] inet6_addr_add+0x30e/0xa40 [ 1095.547019][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1095.547019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1095.547019][ T10] netlink_rcv_skb+0x130/0x360 [ 1095.547019][ T10] netlink_unicast+0x449/0x710 [ 1095.547019][ T10] netlink_sendmsg+0x723/0xbe0 [ 1095.547019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1095.547019][ T10] ___sys_sendmsg+0xee/0x170 [ 1095.547019][ T10] __sys_sendmsg+0xcd/0x170 [ 1095.547019][ T10] do_syscall_64+0xc6/0x1e0 [ 1095.547019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1095.547019][ T10] [ 1095.549270][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1095.549270][ T10] netdev_get_by_index+0x5e/0x80 [ 1095.549270][ T10] fib6_nh_init+0x3d8/0x1580 [ 1095.549270][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1095.549270][ T10] ip6_route_add+0x1c/0x140 [ 1095.549270][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1095.549270][ T10] addrconf_add_dev+0xe2/0x170 [ 1095.549270][ T10] inet6_addr_add+0x12f/0xa40 [ 1095.549270][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1095.549270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1095.549270][ T10] netlink_rcv_skb+0x130/0x360 [ 1095.549270][ T10] netlink_unicast+0x449/0x710 [ 1095.549270][ T10] netlink_sendmsg+0x723/0xbe0 [ 1095.549270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1095.549270][ T10] ___sys_sendmsg+0xee/0x170 [ 1095.549270][ T10] __sys_sendmsg+0xcd/0x170 [ 1095.549270][ T10] do_syscall_64+0xc6/0x1e0 [ 1095.549270][ T10] [ 1095.551486][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1095.551486][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1095.551486][ T10] ipv6_find_idev+0x102/0x170 [ 1095.551486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1095.551486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1095.551486][ T10] netlink_rcv_skb+0x130/0x360 [ 1095.551486][ T10] netlink_unicast+0x449/0x710 [ 1095.551486][ T10] netlink_sendmsg+0x723/0xbe0 [ 1095.551486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1095.551486][ T10] ___sys_sendmsg+0xee/0x170 [ 1095.551486][ T10] __sys_sendmsg+0xcd/0x170 [ 1095.551486][ T10] do_syscall_64+0xc6/0x1e0 [ 1095.551486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1095.551486][ T10] [ 1095.553220][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1095.553220][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1095.553220][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1095.553220][ T10] ipv6_find_idev+0x102/0x170 [ 1095.553220][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1095.553220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1095.553220][ T10] netlink_rcv_skb+0x130/0x360 [ 1095.553220][ T10] netlink_unicast+0x449/0x710 [ 1095.553220][ T10] netlink_sendmsg+0x723/0xbe0 [ 1095.553220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1095.553220][ T10] ___sys_sendmsg+0xee/0x170 [ 1095.553220][ T10] __sys_sendmsg+0xcd/0x170 [ 1095.553220][ T10] do_syscall_64+0xc6/0x1e0 [ 1095.553220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1095.553220][ T10] [ 1095.555161][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1095.555429][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1095.555429][ T10] netdev_get_by_index+0x5e/0x80 [ 1095.555429][ T10] fib6_nh_init+0x3d8/0x1580 [ 1095.555429][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1095.555429][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1095.555429][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1095.555429][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1095.555429][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1095.555429][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1095.555429][ T10] addrconf_dad_begin+0x310/0x670 [ 1095.555429][ T10] addrconf_dad_work+0x10b/0xab0 [ 1095.555429][ T10] process_one_work+0x84d/0x18a0 [ 1095.555429][ T10] worker_thread+0x587/0xd30 [ 1095.555429][ T10] kthread+0x28a/0x350 [ 1095.555429][ T10] ret_from_fork+0x31/0x70 [ 1095.555429][ T10] ret_from_fork_asm+0x1a/0x30 [ 1095.555429][ T10] [ 1095.557586][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1095.557586][ T10] netdev_get_by_index+0x5e/0x80 [ 1095.557586][ T10] fib6_nh_init+0x3d8/0x1580 [ 1095.557586][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1095.557586][ T10] ip6_route_add+0x1c/0x140 [ 1095.557586][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1095.557586][ T10] inet6_addr_add+0x4f8/0xa40 [ 1095.557586][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1095.557586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1095.557586][ T10] netlink_rcv_skb+0x130/0x360 [ 1095.557586][ T10] netlink_unicast+0x449/0x710 [ 1095.557586][ T10] netlink_sendmsg+0x723/0xbe0 [ 1095.557586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1095.557586][ T10] ___sys_sendmsg+0xee/0x170 [ 1095.557586][ T10] __sys_sendmsg+0xcd/0x170 [ 1095.557586][ T10] do_syscall_64+0xc6/0x1e0 [ 1095.557586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1095.557586][ T10] [ 1095.560020][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1095.560020][ T10] netdev_get_by_index+0x5e/0x80 [ 1095.560020][ T10] fib6_nh_init+0x3d8/0x1580 [ 1095.560020][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1095.560020][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1095.560020][ T10] ipv6_add_addr+0x411/0x2000 [ 1095.560020][ T10] inet6_addr_add+0x30e/0xa40 [ 1095.560020][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1095.560020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1095.560020][ T10] netlink_rcv_skb+0x130/0x360 [ 1095.560020][ T10] netlink_unicast+0x449/0x710 [ 1095.560020][ T10] netlink_sendmsg+0x723/0xbe0 [ 1095.560020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1095.560020][ T10] ___sys_sendmsg+0xee/0x170 [ 1095.560020][ T10] __sys_sendmsg+0xcd/0x170 [ 1095.560020][ T10] do_syscall_64+0xc6/0x1e0 [ 1095.560020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1095.560020][ T10] [ 1095.562632][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1095.562632][ T10] netdev_get_by_index+0x5e/0x80 [ 1095.562632][ T10] fib6_nh_init+0x3d8/0x1580 [ 1095.562632][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1095.562632][ T10] ip6_route_add+0x1c/0x140 [ 1095.562632][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1095.562632][ T10] addrconf_add_dev+0xe2/0x170 [ 1095.562632][ T10] inet6_addr_add+0x12f/0xa40 [ 1095.562632][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1095.562632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1095.562632][ T10] netlink_rcv_skb+0x130/0x360 [ 1095.562632][ T10] netlink_unicast+0x449/0x710 [ 1095.562632][ T10] netlink_sendmsg+0x723/0xbe0 [ 1095.562632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1095.562632][ T10] ___sys_sendmsg+0xee/0x170 [ 1095.562632][ T10] __sys_sendmsg+0xcd/0x170 [ 1095.562632][ T10] do_syscall_64+0xc6/0x1e0 [ 1095.562632][ T10] [ 1095.565102][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1095.565102][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1095.565102][ T10] ipv6_find_idev+0x102/0x170 [ 1095.565102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1095.565102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1095.565102][ T10] netlink_rcv_skb+0x130/0x360 [ 1095.565102][ T10] netlink_unicast+0x449/0x710 [ 1095.565102][ T10] netlink_sendmsg+0x723/0xbe0 [ 1095.565102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1095.565102][ T10] ___sys_sendmsg+0xee/0x170 [ 1095.565102][ T10] __sys_sendmsg+0xcd/0x170 [ 1095.565102][ T10] do_syscall_64+0xc6/0x1e0 [ 1095.565102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1095.565102][ T10] [ 1095.567091][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1095.567091][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1095.567091][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1095.567091][ T10] ipv6_find_idev+0x102/0x170 [ 1095.567091][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1095.567091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1095.567091][ T10] netlink_rcv_skb+0x130/0x360 [ 1095.567091][ T10] netlink_unicast+0x449/0x710 [ 1095.567091][ T10] netlink_sendmsg+0x723/0xbe0 [ 1095.567091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1095.567091][ T10] ___sys_sendmsg+0xee/0x170 [ 1095.567091][ T10] __sys_sendmsg+0xcd/0x170 [ 1095.567091][ T10] do_syscall_64+0xc6/0x1e0 [ 1095.567091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1095.567091][ T10] [ 1095.569206][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1095.569538][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1095.569538][ T10] netdev_get_by_index+0x5e/0x80 [ 1095.569538][ T10] fib6_nh_init+0x3d8/0x1580 [ 1095.569538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1095.569538][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1095.569538][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1095.569538][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1095.569538][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1095.569538][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1095.569538][ T10] addrconf_dad_begin+0x310/0x670 [ 1095.569538][ T10] addrconf_dad_work+0x10b/0xab0 [ 1095.569538][ T10] process_one_work+0x84d/0x18a0 [ 1095.569538][ T10] worker_thread+0x587/0xd30 [ 1095.569538][ T10] kthread+0x28a/0x350 [ 1095.569538][ T10] ret_from_fork+0x31/0x70 [ 1095.569538][ T10] ret_from_fork_asm+0x1a/0x30 [ 1095.569538][ T10] [ 1095.571901][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1095.571901][ T10] netdev_get_by_index+0x5e/0x80 [ 1095.571901][ T10] fib6_nh_init+0x3d8/0x1580 [ 1095.571901][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1095.571901][ T10] ip6_route_add+0x1c/0x140 [ 1095.571901][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1095.571901][ T10] inet6_addr_add+0x4f8/0xa40 [ 1095.571901][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1095.571901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1095.571901][ T10] netlink_rcv_skb+0x130/0x360 [ 1095.571901][ T10] netlink_unicast+0x449/0x710 [ 1095.571901][ T10] netlink_sendmsg+0x723/0xbe0 [ 1095.571901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1095.571901][ T10] ___sys_sendmsg+0xee/0x170 [ 1095.571901][ T10] __sys_sendmsg+0xcd/0x170 [ 1095.571901][ T10] do_syscall_64+0xc6/0x1e0 [ 1095.571901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1095.571901][ T10] [ 1095.574403][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1095.574403][ T10] netdev_get_by_index+0x5e/0x80 [ 1095.574403][ T10] fib6_nh_init+0x3d8/0x1580 [ 1095.574403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1095.574403][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1095.574403][ T10] ipv6_add_addr+0x411/0x2000 [ 1095.574403][ T10] inet6_addr_add+0x30e/0xa40 [ 1095.574403][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1095.574403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1095.574403][ T10] netlink_rcv_skb+0x130/0x360 [ 1095.574403][ T10] netlink_unicast+0x449/0x710 [ 1095.574403][ T10] netlink_sendmsg+0x723/0xbe0 [ 1095.574403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1095.574403][ T10] ___sys_sendmsg+0xee/0x170 [ 1095.574403][ T10] __sys_sendmsg+0xcd/0x170 [ 1095.574403][ T10] do_syscall_64+0xc6/0x1e0 [ 1095.574403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1095.574403][ T10] [ 1095.576961][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1095.576961][ T10] netdev_get_by_index+0x5e/0x80 [ 1095.576961][ T10] fib6_nh_init+0x3d8/0x1580 [ 1095.576961][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1095.576961][ T10] ip6_route_add+0x1c/0x140 [ 1095.576961][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1095.576961][ T10] addrconf_add_dev+0xe2/0x170 [ 1095.576961][ T10] inet6_addr_add+0x12f/0xa40 [ 1095.576961][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1095.576961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1095.576961][ T10] netlink_rcv_skb+0x130/0x360 [ 1095.576961][ T10] netlink_unicast+0x449/0x710 [ 1095.576961][ T10] netlink_sendmsg+0x723/0xbe0 [ 1095.576961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1095.576961][ T10] ___sys_sendmsg+0xee/0x170 [ 1095.576961][ T10] __sys_sendmsg+0xcd/0x170 [ 1095.576961][ T10] do_syscall_64+0xc6/0x1e0 [ 1095.576961][ T10] [ 1095.579509][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1095.579509][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1095.579509][ T10] ipv6_find_idev+0x102/0x170 [ 1095.579509][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1095.579509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1095.579509][ T10] netlink_rcv_skb+0x130/0x360 [ 1095.579509][ T10] netlink_unicast+0x449/0x710 [ 1095.579509][ T10] netlink_sendmsg+0x723/0xbe0 [ 1095.579509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1095.579509][ T10] ___sys_sendmsg+0xee/0x170 [ 1095.579509][ T10] __sys_sendmsg+0xcd/0x170 [ 1095.579509][ T10] do_syscall_64+0xc6/0x1e0 [ 1095.579509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1095.579509][ T10] [ 1095.581598][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1095.581598][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1095.581598][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1095.581598][ T10] ipv6_find_idev+0x102/0x170 [ 1095.581598][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1095.581598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1095.581598][ T10] netlink_rcv_skb+0x130/0x360 [ 1095.581598][ T10] netlink_unicast+0x449/0x710 [ 1095.581598][ T10] netlink_sendmsg+0x723/0xbe0 [ 1095.581598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1095.581598][ T10] ___sys_sendmsg+0xee/0x170 [ 1095.581598][ T10] __sys_sendmsg+0xcd/0x170 [ 1095.581598][ T10] do_syscall_64+0xc6/0x1e0 [ 1095.581598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1095.581598][ T10] [ 1104.473101][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1104.473747][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1104.473747][ T1167] dst_init+0x84/0x4a0 [ 1104.473747][ T1167] dst_alloc+0x97/0x150 [ 1104.473747][ T1167] ip6_dst_alloc+0x23/0x90 [ 1104.473747][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1104.473747][ T1167] ip6_pol_route+0x56f/0x840 [ 1104.473747][ T1167] fib6_rule_lookup+0x334/0x630 [ 1104.473747][ T1167] ip6_route_output_flags+0x259/0x480 [ 1104.473747][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1104.473747][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1104.473747][ T1167] netlink_rcv_skb+0x130/0x360 [ 1104.473747][ T1167] netlink_unicast+0x449/0x710 [ 1104.473747][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1104.473747][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1104.473747][ T1167] ___sys_sendmsg+0xee/0x170 [ 1104.473747][ T1167] __sys_sendmsg+0xcd/0x170 [ 1104.473747][ T1167] do_syscall_64+0xc6/0x1e0 [ 1104.473747][ T1167] [ 1104.477278][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1104.477278][ T1167] netdev_get_by_index+0x5e/0x80 [ 1104.477278][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1104.477278][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1104.477278][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1104.477278][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1104.477278][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1104.477278][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1104.477278][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1104.477278][ T1167] addrconf_dad_begin+0x310/0x670 [ 1104.477278][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1104.477278][ T1167] process_one_work+0x84d/0x18a0 [ 1104.477278][ T1167] worker_thread+0x587/0xd30 [ 1104.477278][ T1167] kthread+0x28a/0x350 [ 1104.477278][ T1167] ret_from_fork+0x31/0x70 [ 1104.477278][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1104.477278][ T1167] [ 1104.480795][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1104.480795][ T1167] netdev_get_by_index+0x5e/0x80 [ 1104.480795][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1104.480795][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1104.480795][ T1167] ip6_route_add+0x1c/0x140 [ 1104.480795][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1104.480795][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1104.480795][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1104.480795][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.480795][ T1167] netlink_rcv_skb+0x130/0x360 [ 1104.480795][ T1167] netlink_unicast+0x449/0x710 [ 1104.480795][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1104.480795][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1104.480795][ T1167] ___sys_sendmsg+0xee/0x170 [ 1104.480795][ T1167] __sys_sendmsg+0xcd/0x170 [ 1104.480795][ T1167] do_syscall_64+0xc6/0x1e0 [ 1104.480795][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.480795][ T1167] [ 1104.484435][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1104.484435][ T1167] netdev_get_by_index+0x5e/0x80 [ 1104.484435][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1104.484435][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1104.484435][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1104.484435][ T1167] ipv6_add_addr+0x411/0x2000 [ 1104.484435][ T1167] inet6_addr_add+0x30e/0xa40 [ 1104.484435][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1104.484435][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.484435][ T1167] netlink_rcv_skb+0x130/0x360 [ 1104.484435][ T1167] netlink_unicast+0x449/0x710 [ 1104.484435][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1104.484435][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1104.484435][ T1167] ___sys_sendmsg+0xee/0x170 [ 1104.484435][ T1167] __sys_sendmsg+0xcd/0x170 [ 1104.484435][ T1167] do_syscall_64+0xc6/0x1e0 [ 1104.484435][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.484435][ T1167] [ 1104.488032][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1104.488032][ T1167] netdev_get_by_index+0x5e/0x80 [ 1104.488032][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1104.488032][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1104.488032][ T1167] ip6_route_add+0x1c/0x140 [ 1104.488032][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1104.488032][ T1167] addrconf_add_dev+0xe2/0x170 [ 1104.488032][ T1167] inet6_addr_add+0x12f/0xa40 [ 1104.488032][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1104.488032][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.488032][ T1167] netlink_rcv_skb+0x130/0x360 [ 1104.488032][ T1167] netlink_unicast+0x449/0x710 [ 1104.488032][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1104.488032][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1104.488032][ T1167] ___sys_sendmsg+0xee/0x170 [ 1104.488032][ T1167] __sys_sendmsg+0xcd/0x170 [ 1104.488032][ T1167] do_syscall_64+0xc6/0x1e0 [ 1104.488032][ T1167] [ 1104.491617][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1104.491617][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1104.491617][ T1167] ipv6_find_idev+0x102/0x170 [ 1104.491617][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1104.491617][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.491617][ T1167] netlink_rcv_skb+0x130/0x360 [ 1104.491617][ T1167] netlink_unicast+0x449/0x710 [ 1104.491617][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1104.491617][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1104.491617][ T1167] ___sys_sendmsg+0xee/0x170 [ 1104.491617][ T1167] __sys_sendmsg+0xcd/0x170 [ 1104.491617][ T1167] do_syscall_64+0xc6/0x1e0 [ 1104.491617][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.491617][ T1167] [ 1104.494335][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1104.494335][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1104.494335][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1104.494335][ T1167] ipv6_find_idev+0x102/0x170 [ 1104.494335][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1104.494335][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.494335][ T1167] netlink_rcv_skb+0x130/0x360 [ 1104.494335][ T1167] netlink_unicast+0x449/0x710 [ 1104.494335][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1104.494335][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1104.494335][ T1167] ___sys_sendmsg+0xee/0x170 [ 1104.494335][ T1167] __sys_sendmsg+0xcd/0x170 [ 1104.494335][ T1167] do_syscall_64+0xc6/0x1e0 [ 1104.494335][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.494335][ T1167] [ 1105.825101][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1105.825639][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1105.825639][ T10] netdev_get_by_index+0x5e/0x80 [ 1105.825639][ T10] fib6_nh_init+0x3d8/0x1580 [ 1105.825639][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1105.825639][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1105.825639][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1105.825639][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1105.825639][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1105.825639][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1105.825639][ T10] addrconf_dad_begin+0x310/0x670 [ 1105.825639][ T10] addrconf_dad_work+0x10b/0xab0 [ 1105.825639][ T10] process_one_work+0x84d/0x18a0 [ 1105.825639][ T10] worker_thread+0x587/0xd30 [ 1105.825639][ T10] kthread+0x28a/0x350 [ 1105.825639][ T10] ret_from_fork+0x31/0x70 [ 1105.825639][ T10] ret_from_fork_asm+0x1a/0x30 [ 1105.825639][ T10] [ 1105.827932][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1105.827932][ T10] netdev_get_by_index+0x5e/0x80 [ 1105.827932][ T10] fib6_nh_init+0x3d8/0x1580 [ 1105.827932][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1105.827932][ T10] ip6_route_add+0x1c/0x140 [ 1105.827932][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1105.827932][ T10] inet6_addr_add+0x4f8/0xa40 [ 1105.827932][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1105.827932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1105.827932][ T10] netlink_rcv_skb+0x130/0x360 [ 1105.827932][ T10] netlink_unicast+0x449/0x710 [ 1105.827932][ T10] netlink_sendmsg+0x723/0xbe0 [ 1105.827932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1105.827932][ T10] ___sys_sendmsg+0xee/0x170 [ 1105.827932][ T10] __sys_sendmsg+0xcd/0x170 [ 1105.827932][ T10] do_syscall_64+0xc6/0x1e0 [ 1105.827932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1105.827932][ T10] [ 1105.830354][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1105.830354][ T10] netdev_get_by_index+0x5e/0x80 [ 1105.830354][ T10] fib6_nh_init+0x3d8/0x1580 [ 1105.830354][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1105.830354][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1105.830354][ T10] ipv6_add_addr+0x411/0x2000 [ 1105.830354][ T10] inet6_addr_add+0x30e/0xa40 [ 1105.830354][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1105.830354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1105.830354][ T10] netlink_rcv_skb+0x130/0x360 [ 1105.830354][ T10] netlink_unicast+0x449/0x710 [ 1105.830354][ T10] netlink_sendmsg+0x723/0xbe0 [ 1105.830354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1105.830354][ T10] ___sys_sendmsg+0xee/0x170 [ 1105.830354][ T10] __sys_sendmsg+0xcd/0x170 [ 1105.830354][ T10] do_syscall_64+0xc6/0x1e0 [ 1105.830354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1105.830354][ T10] [ 1105.832782][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1105.832782][ T10] netdev_get_by_index+0x5e/0x80 [ 1105.832782][ T10] fib6_nh_init+0x3d8/0x1580 [ 1105.832782][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1105.832782][ T10] ip6_route_add+0x1c/0x140 [ 1105.832782][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1105.832782][ T10] addrconf_add_dev+0xe2/0x170 [ 1105.832782][ T10] inet6_addr_add+0x12f/0xa40 [ 1105.832782][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1105.832782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1105.832782][ T10] netlink_rcv_skb+0x130/0x360 [ 1105.832782][ T10] netlink_unicast+0x449/0x710 [ 1105.832782][ T10] netlink_sendmsg+0x723/0xbe0 [ 1105.832782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1105.832782][ T10] ___sys_sendmsg+0xee/0x170 [ 1105.832782][ T10] __sys_sendmsg+0xcd/0x170 [ 1105.832782][ T10] do_syscall_64+0xc6/0x1e0 [ 1105.832782][ T10] [ 1105.835199][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1105.835199][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1105.835199][ T10] ipv6_find_idev+0x102/0x170 [ 1105.835199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1105.835199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1105.835199][ T10] netlink_rcv_skb+0x130/0x360 [ 1105.835199][ T10] netlink_unicast+0x449/0x710 [ 1105.835199][ T10] netlink_sendmsg+0x723/0xbe0 [ 1105.835199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1105.835199][ T10] ___sys_sendmsg+0xee/0x170 [ 1105.835199][ T10] __sys_sendmsg+0xcd/0x170 [ 1105.835199][ T10] do_syscall_64+0xc6/0x1e0 [ 1105.835199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1105.835199][ T10] [ 1105.837010][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1105.837010][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1105.837010][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1105.837010][ T10] ipv6_find_idev+0x102/0x170 [ 1105.837010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1105.837010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1105.837010][ T10] netlink_rcv_skb+0x130/0x360 [ 1105.837010][ T10] netlink_unicast+0x449/0x710 [ 1105.837010][ T10] netlink_sendmsg+0x723/0xbe0 [ 1105.837010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1105.837010][ T10] ___sys_sendmsg+0xee/0x170 [ 1105.837010][ T10] __sys_sendmsg+0xcd/0x170 [ 1105.837010][ T10] do_syscall_64+0xc6/0x1e0 [ 1105.837010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1105.837010][ T10] [ 1105.839100][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1105.839410][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1105.839410][ T10] netdev_get_by_index+0x5e/0x80 [ 1105.839410][ T10] fib6_nh_init+0x3d8/0x1580 [ 1105.839410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1105.839410][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1105.839410][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1105.839410][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1105.839410][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1105.839410][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1105.839410][ T10] addrconf_dad_begin+0x310/0x670 [ 1105.839410][ T10] addrconf_dad_work+0x10b/0xab0 [ 1105.839410][ T10] process_one_work+0x84d/0x18a0 [ 1105.839410][ T10] worker_thread+0x587/0xd30 [ 1105.839410][ T10] kthread+0x28a/0x350 [ 1105.839410][ T10] ret_from_fork+0x31/0x70 [ 1105.839410][ T10] ret_from_fork_asm+0x1a/0x30 [ 1105.839410][ T10] [ 1105.841659][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1105.841659][ T10] netdev_get_by_index+0x5e/0x80 [ 1105.841659][ T10] fib6_nh_init+0x3d8/0x1580 [ 1105.841659][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1105.841659][ T10] ip6_route_add+0x1c/0x140 [ 1105.841659][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1105.841659][ T10] inet6_addr_add+0x4f8/0xa40 [ 1105.841659][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1105.841659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1105.841659][ T10] netlink_rcv_skb+0x130/0x360 [ 1105.841659][ T10] netlink_unicast+0x449/0x710 [ 1105.841659][ T10] netlink_sendmsg+0x723/0xbe0 [ 1105.841659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1105.841659][ T10] ___sys_sendmsg+0xee/0x170 [ 1105.841659][ T10] __sys_sendmsg+0xcd/0x170 [ 1105.841659][ T10] do_syscall_64+0xc6/0x1e0 [ 1105.841659][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1105.841659][ T10] [ 1105.843951][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1105.843951][ T10] netdev_get_by_index+0x5e/0x80 [ 1105.843951][ T10] fib6_nh_init+0x3d8/0x1580 [ 1105.843951][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1105.843951][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1105.843951][ T10] ipv6_add_addr+0x411/0x2000 [ 1105.843951][ T10] inet6_addr_add+0x30e/0xa40 [ 1105.843951][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1105.843951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1105.843951][ T10] netlink_rcv_skb+0x130/0x360 [ 1105.843951][ T10] netlink_unicast+0x449/0x710 [ 1105.843951][ T10] netlink_sendmsg+0x723/0xbe0 [ 1105.843951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1105.843951][ T10] ___sys_sendmsg+0xee/0x170 [ 1105.843951][ T10] __sys_sendmsg+0xcd/0x170 [ 1105.843951][ T10] do_syscall_64+0xc6/0x1e0 [ 1105.843951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1105.843951][ T10] [ 1105.846314][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1105.846314][ T10] netdev_get_by_index+0x5e/0x80 [ 1105.846314][ T10] fib6_nh_init+0x3d8/0x1580 [ 1105.846314][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1105.846314][ T10] ip6_route_add+0x1c/0x140 [ 1105.846314][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1105.846314][ T10] addrconf_add_dev+0xe2/0x170 [ 1105.846314][ T10] inet6_addr_add+0x12f/0xa40 [ 1105.846314][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1105.846314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1105.846314][ T10] netlink_rcv_skb+0x130/0x360 [ 1105.846314][ T10] netlink_unicast+0x449/0x710 [ 1105.846314][ T10] netlink_sendmsg+0x723/0xbe0 [ 1105.846314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1105.846314][ T10] ___sys_sendmsg+0xee/0x170 [ 1105.846314][ T10] __sys_sendmsg+0xcd/0x170 [ 1105.846314][ T10] do_syscall_64+0xc6/0x1e0 [ 1105.846314][ T10] [ 1105.848678][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1105.848678][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1105.848678][ T10] ipv6_find_idev+0x102/0x170 [ 1105.848678][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1105.848678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1105.848678][ T10] netlink_rcv_skb+0x130/0x360 [ 1105.848678][ T10] netlink_unicast+0x449/0x710 [ 1105.848678][ T10] netlink_sendmsg+0x723/0xbe0 [ 1105.848678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1105.848678][ T10] ___sys_sendmsg+0xee/0x170 [ 1105.848678][ T10] __sys_sendmsg+0xcd/0x170 [ 1105.848678][ T10] do_syscall_64+0xc6/0x1e0 [ 1105.848678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1105.848678][ T10] [ 1105.850531][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1105.850531][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1105.850531][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1105.850531][ T10] ipv6_find_idev+0x102/0x170 [ 1105.850531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1105.850531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1105.850531][ T10] netlink_rcv_skb+0x130/0x360 [ 1105.850531][ T10] netlink_unicast+0x449/0x710 [ 1105.850531][ T10] netlink_sendmsg+0x723/0xbe0 [ 1105.850531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1105.850531][ T10] ___sys_sendmsg+0xee/0x170 [ 1105.850531][ T10] __sys_sendmsg+0xcd/0x170 [ 1105.850531][ T10] do_syscall_64+0xc6/0x1e0 [ 1105.850531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1105.850531][ T10] [ 1105.852542][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1105.852856][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1105.852856][ T10] netdev_get_by_index+0x5e/0x80 [ 1105.852856][ T10] fib6_nh_init+0x3d8/0x1580 [ 1105.852856][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1105.852856][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1105.852856][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1105.852856][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1105.852856][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1105.852856][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1105.852856][ T10] addrconf_dad_begin+0x310/0x670 [ 1105.852856][ T10] addrconf_dad_work+0x10b/0xab0 [ 1105.852856][ T10] process_one_work+0x84d/0x18a0 [ 1105.852856][ T10] worker_thread+0x587/0xd30 [ 1105.852856][ T10] kthread+0x28a/0x350 [ 1105.852856][ T10] ret_from_fork+0x31/0x70 [ 1105.852856][ T10] ret_from_fork_asm+0x1a/0x30 [ 1105.852856][ T10] [ 1105.855175][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1105.855175][ T10] netdev_get_by_index+0x5e/0x80 [ 1105.855175][ T10] fib6_nh_init+0x3d8/0x1580 [ 1105.855175][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1105.855175][ T10] ip6_route_add+0x1c/0x140 [ 1105.855175][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1105.855175][ T10] inet6_addr_add+0x4f8/0xa40 [ 1105.855175][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1105.855175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1105.855175][ T10] netlink_rcv_skb+0x130/0x360 [ 1105.855175][ T10] netlink_unicast+0x449/0x710 [ 1105.855175][ T10] netlink_sendmsg+0x723/0xbe0 [ 1105.855175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1105.855175][ T10] ___sys_sendmsg+0xee/0x170 [ 1105.855175][ T10] __sys_sendmsg+0xcd/0x170 [ 1105.855175][ T10] do_syscall_64+0xc6/0x1e0 [ 1105.855175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1105.855175][ T10] [ 1105.857788][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1105.857788][ T10] netdev_get_by_index+0x5e/0x80 [ 1105.857788][ T10] fib6_nh_init+0x3d8/0x1580 [ 1105.857788][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1105.857788][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1105.857788][ T10] ipv6_add_addr+0x411/0x2000 [ 1105.857788][ T10] inet6_addr_add+0x30e/0xa40 [ 1105.857788][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1105.857788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1105.857788][ T10] netlink_rcv_skb+0x130/0x360 [ 1105.857788][ T10] netlink_unicast+0x449/0x710 [ 1105.857788][ T10] netlink_sendmsg+0x723/0xbe0 [ 1105.857788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1105.857788][ T10] ___sys_sendmsg+0xee/0x170 [ 1105.857788][ T10] __sys_sendmsg+0xcd/0x170 [ 1105.857788][ T10] do_syscall_64+0xc6/0x1e0 [ 1105.857788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1105.857788][ T10] [ 1105.860343][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1105.860343][ T10] netdev_get_by_index+0x5e/0x80 [ 1105.860343][ T10] fib6_nh_init+0x3d8/0x1580 [ 1105.860343][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1105.860343][ T10] ip6_route_add+0x1c/0x140 [ 1105.860343][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1105.860343][ T10] addrconf_add_dev+0xe2/0x170 [ 1105.860343][ T10] inet6_addr_add+0x12f/0xa40 [ 1105.860343][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1105.860343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1105.860343][ T10] netlink_rcv_skb+0x130/0x360 [ 1105.860343][ T10] netlink_unicast+0x449/0x710 [ 1105.860343][ T10] netlink_sendmsg+0x723/0xbe0 [ 1105.860343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1105.860343][ T10] ___sys_sendmsg+0xee/0x170 [ 1105.860343][ T10] __sys_sendmsg+0xcd/0x170 [ 1105.860343][ T10] do_syscall_64+0xc6/0x1e0 [ 1105.860343][ T10] [ 1105.862884][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1105.862884][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1105.862884][ T10] ipv6_find_idev+0x102/0x170 [ 1105.862884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1105.862884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1105.862884][ T10] netlink_rcv_skb+0x130/0x360 [ 1105.862884][ T10] netlink_unicast+0x449/0x710 [ 1105.862884][ T10] netlink_sendmsg+0x723/0xbe0 [ 1105.862884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1105.862884][ T10] ___sys_sendmsg+0xee/0x170 [ 1105.862884][ T10] __sys_sendmsg+0xcd/0x170 [ 1105.862884][ T10] do_syscall_64+0xc6/0x1e0 [ 1105.862884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1105.862884][ T10] [ 1105.864947][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1105.864947][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1105.864947][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1105.864947][ T10] ipv6_find_idev+0x102/0x170 [ 1105.864947][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1105.864947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1105.864947][ T10] netlink_rcv_skb+0x130/0x360 [ 1105.864947][ T10] netlink_unicast+0x449/0x710 [ 1105.864947][ T10] netlink_sendmsg+0x723/0xbe0 [ 1105.864947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1105.864947][ T10] ___sys_sendmsg+0xee/0x170 [ 1105.864947][ T10] __sys_sendmsg+0xcd/0x170 [ 1105.864947][ T10] do_syscall_64+0xc6/0x1e0 [ 1105.864947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1105.864947][ T10] [ 1105.867201][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1105.867563][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1105.867563][ T10] netdev_get_by_index+0x5e/0x80 [ 1105.867563][ T10] fib6_nh_init+0x3d8/0x1580 [ 1105.867563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1105.867563][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1105.867563][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1105.867563][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1105.867563][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1105.867563][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1105.867563][ T10] addrconf_dad_begin+0x310/0x670 [ 1105.867563][ T10] addrconf_dad_work+0x10b/0xab0 [ 1105.867563][ T10] process_one_work+0x84d/0x18a0 [ 1105.867563][ T10] worker_thread+0x587/0xd30 [ 1105.867563][ T10] kthread+0x28a/0x350 [ 1105.867563][ T10] ret_from_fork+0x31/0x70 [ 1105.867563][ T10] ret_from_fork_asm+0x1a/0x30 [ 1105.867563][ T10] [ 1105.869979][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1105.869979][ T10] netdev_get_by_index+0x5e/0x80 [ 1105.869979][ T10] fib6_nh_init+0x3d8/0x1580 [ 1105.869979][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1105.869979][ T10] ip6_route_add+0x1c/0x140 [ 1105.869979][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1105.869979][ T10] inet6_addr_add+0x4f8/0xa40 [ 1105.869979][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1105.869979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1105.869979][ T10] netlink_rcv_skb+0x130/0x360 [ 1105.869979][ T10] netlink_unicast+0x449/0x710 [ 1105.869979][ T10] netlink_sendmsg+0x723/0xbe0 [ 1105.869979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1105.869979][ T10] ___sys_sendmsg+0xee/0x170 [ 1105.869979][ T10] __sys_sendmsg+0xcd/0x170 [ 1105.869979][ T10] do_syscall_64+0xc6/0x1e0 [ 1105.869979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1105.869979][ T10] [ 1105.872709][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1105.872709][ T10] netdev_get_by_index+0x5e/0x80 [ 1105.872709][ T10] fib6_nh_init+0x3d8/0x1580 [ 1105.872709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1105.872709][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1105.872709][ T10] ipv6_add_addr+0x411/0x2000 [ 1105.872709][ T10] inet6_addr_add+0x30e/0xa40 [ 1105.872709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1105.872709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1105.872709][ T10] netlink_rcv_skb+0x130/0x360 [ 1105.872709][ T10] netlink_unicast+0x449/0x710 [ 1105.872709][ T10] netlink_sendmsg+0x723/0xbe0 [ 1105.872709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1105.872709][ T10] ___sys_sendmsg+0xee/0x170 [ 1105.872709][ T10] __sys_sendmsg+0xcd/0x170 [ 1105.872709][ T10] do_syscall_64+0xc6/0x1e0 [ 1105.872709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1105.872709][ T10] [ 1105.875406][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1105.875406][ T10] netdev_get_by_index+0x5e/0x80 [ 1105.875406][ T10] fib6_nh_init+0x3d8/0x1580 [ 1105.875406][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1105.875406][ T10] ip6_route_add+0x1c/0x140 [ 1105.875406][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1105.875406][ T10] addrconf_add_dev+0xe2/0x170 [ 1105.875406][ T10] inet6_addr_add+0x12f/0xa40 [ 1105.875406][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1105.875406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1105.875406][ T10] netlink_rcv_skb+0x130/0x360 [ 1105.875406][ T10] netlink_unicast+0x449/0x710 [ 1105.875406][ T10] netlink_sendmsg+0x723/0xbe0 [ 1105.875406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1105.875406][ T10] ___sys_sendmsg+0xee/0x170 [ 1105.875406][ T10] __sys_sendmsg+0xcd/0x170 [ 1105.875406][ T10] do_syscall_64+0xc6/0x1e0 [ 1105.875406][ T10] [ 1105.877904][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1105.877904][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1105.877904][ T10] ipv6_find_idev+0x102/0x170 [ 1105.877904][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1105.877904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1105.877904][ T10] netlink_rcv_skb+0x130/0x360 [ 1105.877904][ T10] netlink_unicast+0x449/0x710 [ 1105.877904][ T10] netlink_sendmsg+0x723/0xbe0 [ 1105.877904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1105.877904][ T10] ___sys_sendmsg+0xee/0x170 [ 1105.877904][ T10] __sys_sendmsg+0xcd/0x170 [ 1105.877904][ T10] do_syscall_64+0xc6/0x1e0 [ 1105.877904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1105.877904][ T10] [ 1105.879823][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1105.879823][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1105.879823][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1105.879823][ T10] ipv6_find_idev+0x102/0x170 [ 1105.879823][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1105.879823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1105.879823][ T10] netlink_rcv_skb+0x130/0x360 [ 1105.879823][ T10] netlink_unicast+0x449/0x710 [ 1105.879823][ T10] netlink_sendmsg+0x723/0xbe0 [ 1105.879823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1105.879823][ T10] ___sys_sendmsg+0xee/0x170 [ 1105.879823][ T10] __sys_sendmsg+0xcd/0x170 [ 1105.879823][ T10] do_syscall_64+0xc6/0x1e0 [ 1105.879823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1105.879823][ T10] [ 1114.737087][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1114.737653][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1114.737653][ T1167] dst_init+0x84/0x4a0 [ 1114.737653][ T1167] dst_alloc+0x97/0x150 [ 1114.737653][ T1167] ip6_dst_alloc+0x23/0x90 [ 1114.737653][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1114.737653][ T1167] ip6_pol_route+0x56f/0x840 [ 1114.737653][ T1167] fib6_rule_lookup+0x334/0x630 [ 1114.737653][ T1167] ip6_route_output_flags+0x259/0x480 [ 1114.737653][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1114.737653][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1114.737653][ T1167] netlink_rcv_skb+0x130/0x360 [ 1114.737653][ T1167] netlink_unicast+0x449/0x710 [ 1114.737653][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1114.737653][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1114.737653][ T1167] ___sys_sendmsg+0xee/0x170 [ 1114.737653][ T1167] __sys_sendmsg+0xcd/0x170 [ 1114.737653][ T1167] do_syscall_64+0xc6/0x1e0 [ 1114.737653][ T1167] [ 1114.740153][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1114.740153][ T1167] netdev_get_by_index+0x5e/0x80 [ 1114.740153][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1114.740153][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1114.740153][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1114.740153][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1114.740153][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1114.740153][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1114.740153][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1114.740153][ T1167] addrconf_dad_begin+0x310/0x670 [ 1114.740153][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1114.740153][ T1167] process_one_work+0x84d/0x18a0 [ 1114.740153][ T1167] worker_thread+0x587/0xd30 [ 1114.740153][ T1167] kthread+0x28a/0x350 [ 1114.740153][ T1167] ret_from_fork+0x31/0x70 [ 1114.740153][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1114.740153][ T1167] [ 1114.742440][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1114.742440][ T1167] netdev_get_by_index+0x5e/0x80 [ 1114.742440][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1114.742440][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1114.742440][ T1167] ip6_route_add+0x1c/0x140 [ 1114.742440][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1114.742440][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1114.742440][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1114.742440][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.742440][ T1167] netlink_rcv_skb+0x130/0x360 [ 1114.742440][ T1167] netlink_unicast+0x449/0x710 [ 1114.742440][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1114.742440][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1114.742440][ T1167] ___sys_sendmsg+0xee/0x170 [ 1114.742440][ T1167] __sys_sendmsg+0xcd/0x170 [ 1114.742440][ T1167] do_syscall_64+0xc6/0x1e0 [ 1114.742440][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.742440][ T1167] [ 1114.744813][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1114.744813][ T1167] netdev_get_by_index+0x5e/0x80 [ 1114.744813][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1114.744813][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1114.744813][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1114.744813][ T1167] ipv6_add_addr+0x411/0x2000 [ 1114.744813][ T1167] inet6_addr_add+0x30e/0xa40 [ 1114.744813][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1114.744813][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.744813][ T1167] netlink_rcv_skb+0x130/0x360 [ 1114.744813][ T1167] netlink_unicast+0x449/0x710 [ 1114.744813][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1114.744813][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1114.744813][ T1167] ___sys_sendmsg+0xee/0x170 [ 1114.744813][ T1167] __sys_sendmsg+0xcd/0x170 [ 1114.744813][ T1167] do_syscall_64+0xc6/0x1e0 [ 1114.744813][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.744813][ T1167] [ 1114.747135][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1114.747135][ T1167] netdev_get_by_index+0x5e/0x80 [ 1114.747135][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1114.747135][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1114.747135][ T1167] ip6_route_add+0x1c/0x140 [ 1114.747135][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1114.747135][ T1167] addrconf_add_dev+0xe2/0x170 [ 1114.747135][ T1167] inet6_addr_add+0x12f/0xa40 [ 1114.747135][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1114.747135][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.747135][ T1167] netlink_rcv_skb+0x130/0x360 [ 1114.747135][ T1167] netlink_unicast+0x449/0x710 [ 1114.747135][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1114.747135][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1114.747135][ T1167] ___sys_sendmsg+0xee/0x170 [ 1114.747135][ T1167] __sys_sendmsg+0xcd/0x170 [ 1114.747135][ T1167] do_syscall_64+0xc6/0x1e0 [ 1114.747135][ T1167] [ 1114.749442][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1114.749442][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1114.749442][ T1167] ipv6_find_idev+0x102/0x170 [ 1114.749442][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1114.749442][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.749442][ T1167] netlink_rcv_skb+0x130/0x360 [ 1114.749442][ T1167] netlink_unicast+0x449/0x710 [ 1114.749442][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1114.749442][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1114.749442][ T1167] ___sys_sendmsg+0xee/0x170 [ 1114.749442][ T1167] __sys_sendmsg+0xcd/0x170 [ 1114.749442][ T1167] do_syscall_64+0xc6/0x1e0 [ 1114.749442][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.749442][ T1167] [ 1114.751213][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1114.751213][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1114.751213][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1114.751213][ T1167] ipv6_find_idev+0x102/0x170 [ 1114.751213][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1114.751213][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.751213][ T1167] netlink_rcv_skb+0x130/0x360 [ 1114.751213][ T1167] netlink_unicast+0x449/0x710 [ 1114.751213][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1114.751213][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1114.751213][ T1167] ___sys_sendmsg+0xee/0x170 [ 1114.751213][ T1167] __sys_sendmsg+0xcd/0x170 [ 1114.751213][ T1167] do_syscall_64+0xc6/0x1e0 [ 1114.751213][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.751213][ T1167] [ 1116.121141][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1116.121632][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1116.121632][ T10] netdev_get_by_index+0x5e/0x80 [ 1116.121632][ T10] fib6_nh_init+0x3d8/0x1580 [ 1116.121632][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1116.121632][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1116.121632][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1116.121632][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1116.121632][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1116.121632][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1116.121632][ T10] addrconf_dad_begin+0x310/0x670 [ 1116.121632][ T10] addrconf_dad_work+0x10b/0xab0 [ 1116.121632][ T10] process_one_work+0x84d/0x18a0 [ 1116.121632][ T10] worker_thread+0x587/0xd30 [ 1116.121632][ T10] kthread+0x28a/0x350 [ 1116.121632][ T10] ret_from_fork+0x31/0x70 [ 1116.121632][ T10] ret_from_fork_asm+0x1a/0x30 [ 1116.121632][ T10] [ 1116.123872][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1116.123872][ T10] netdev_get_by_index+0x5e/0x80 [ 1116.123872][ T10] fib6_nh_init+0x3d8/0x1580 [ 1116.123872][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1116.123872][ T10] ip6_route_add+0x1c/0x140 [ 1116.123872][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1116.123872][ T10] inet6_addr_add+0x4f8/0xa40 [ 1116.123872][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1116.123872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.123872][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.123872][ T10] netlink_unicast+0x449/0x710 [ 1116.123872][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.123872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.123872][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.123872][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.123872][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.123872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.123872][ T10] [ 1116.126152][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1116.126152][ T10] netdev_get_by_index+0x5e/0x80 [ 1116.126152][ T10] fib6_nh_init+0x3d8/0x1580 [ 1116.126152][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1116.126152][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1116.126152][ T10] ipv6_add_addr+0x411/0x2000 [ 1116.126152][ T10] inet6_addr_add+0x30e/0xa40 [ 1116.126152][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1116.126152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.126152][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.126152][ T10] netlink_unicast+0x449/0x710 [ 1116.126152][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.126152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.126152][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.126152][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.126152][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.126152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.126152][ T10] [ 1116.128423][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1116.128423][ T10] netdev_get_by_index+0x5e/0x80 [ 1116.128423][ T10] fib6_nh_init+0x3d8/0x1580 [ 1116.128423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1116.128423][ T10] ip6_route_add+0x1c/0x140 [ 1116.128423][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1116.128423][ T10] addrconf_add_dev+0xe2/0x170 [ 1116.128423][ T10] inet6_addr_add+0x12f/0xa40 [ 1116.128423][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1116.128423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.128423][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.128423][ T10] netlink_unicast+0x449/0x710 [ 1116.128423][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.128423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.128423][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.128423][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.128423][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.128423][ T10] [ 1116.130664][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1116.130664][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1116.130664][ T10] ipv6_find_idev+0x102/0x170 [ 1116.130664][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1116.130664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.130664][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.130664][ T10] netlink_unicast+0x449/0x710 [ 1116.130664][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.130664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.130664][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.130664][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.130664][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.130664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.130664][ T10] [ 1116.132416][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1116.132416][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1116.132416][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1116.132416][ T10] ipv6_find_idev+0x102/0x170 [ 1116.132416][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1116.132416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.132416][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.132416][ T10] netlink_unicast+0x449/0x710 [ 1116.132416][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.132416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.132416][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.132416][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.132416][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.132416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.132416][ T10] [ 1116.134380][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1116.134666][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1116.134666][ T10] netdev_get_by_index+0x5e/0x80 [ 1116.134666][ T10] fib6_nh_init+0x3d8/0x1580 [ 1116.134666][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1116.134666][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1116.134666][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1116.134666][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1116.134666][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1116.134666][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1116.134666][ T10] addrconf_dad_begin+0x310/0x670 [ 1116.134666][ T10] addrconf_dad_work+0x10b/0xab0 [ 1116.134666][ T10] process_one_work+0x84d/0x18a0 [ 1116.134666][ T10] worker_thread+0x587/0xd30 [ 1116.134666][ T10] kthread+0x28a/0x350 [ 1116.134666][ T10] ret_from_fork+0x31/0x70 [ 1116.134666][ T10] ret_from_fork_asm+0x1a/0x30 [ 1116.134666][ T10] [ 1116.136831][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1116.136831][ T10] netdev_get_by_index+0x5e/0x80 [ 1116.136831][ T10] fib6_nh_init+0x3d8/0x1580 [ 1116.136831][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1116.136831][ T10] ip6_route_add+0x1c/0x140 [ 1116.136831][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1116.136831][ T10] inet6_addr_add+0x4f8/0xa40 [ 1116.136831][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1116.136831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.136831][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.136831][ T10] netlink_unicast+0x449/0x710 [ 1116.136831][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.136831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.136831][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.136831][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.136831][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.136831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.136831][ T10] [ 1116.139105][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1116.139105][ T10] netdev_get_by_index+0x5e/0x80 [ 1116.139105][ T10] fib6_nh_init+0x3d8/0x1580 [ 1116.139105][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1116.139105][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1116.139105][ T10] ipv6_add_addr+0x411/0x2000 [ 1116.139105][ T10] inet6_addr_add+0x30e/0xa40 [ 1116.139105][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1116.139105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.139105][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.139105][ T10] netlink_unicast+0x449/0x710 [ 1116.139105][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.139105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.139105][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.139105][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.139105][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.139105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.139105][ T10] [ 1116.141383][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1116.141383][ T10] netdev_get_by_index+0x5e/0x80 [ 1116.141383][ T10] fib6_nh_init+0x3d8/0x1580 [ 1116.141383][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1116.141383][ T10] ip6_route_add+0x1c/0x140 [ 1116.141383][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1116.141383][ T10] addrconf_add_dev+0xe2/0x170 [ 1116.141383][ T10] inet6_addr_add+0x12f/0xa40 [ 1116.141383][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1116.141383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.141383][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.141383][ T10] netlink_unicast+0x449/0x710 [ 1116.141383][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.141383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.141383][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.141383][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.141383][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.141383][ T10] [ 1116.143594][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1116.143594][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1116.143594][ T10] ipv6_find_idev+0x102/0x170 [ 1116.143594][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1116.143594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.143594][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.143594][ T10] netlink_unicast+0x449/0x710 [ 1116.143594][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.143594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.143594][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.143594][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.143594][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.143594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.143594][ T10] [ 1116.145333][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1116.145333][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1116.145333][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1116.145333][ T10] ipv6_find_idev+0x102/0x170 [ 1116.145333][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1116.145333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.145333][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.145333][ T10] netlink_unicast+0x449/0x710 [ 1116.145333][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.145333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.145333][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.145333][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.145333][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.145333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.145333][ T10] [ 1116.147271][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1116.147547][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1116.147547][ T10] netdev_get_by_index+0x5e/0x80 [ 1116.147547][ T10] fib6_nh_init+0x3d8/0x1580 [ 1116.147547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1116.147547][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1116.147547][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1116.147547][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1116.147547][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1116.147547][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1116.147547][ T10] addrconf_dad_begin+0x310/0x670 [ 1116.147547][ T10] addrconf_dad_work+0x10b/0xab0 [ 1116.147547][ T10] process_one_work+0x84d/0x18a0 [ 1116.147547][ T10] worker_thread+0x587/0xd30 [ 1116.147547][ T10] kthread+0x28a/0x350 [ 1116.147547][ T10] ret_from_fork+0x31/0x70 [ 1116.147547][ T10] ret_from_fork_asm+0x1a/0x30 [ 1116.147547][ T10] [ 1116.149699][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1116.149699][ T10] netdev_get_by_index+0x5e/0x80 [ 1116.149699][ T10] fib6_nh_init+0x3d8/0x1580 [ 1116.149699][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1116.149699][ T10] ip6_route_add+0x1c/0x140 [ 1116.149699][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1116.149699][ T10] inet6_addr_add+0x4f8/0xa40 [ 1116.149699][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1116.149699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.149699][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.149699][ T10] netlink_unicast+0x449/0x710 [ 1116.149699][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.149699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.149699][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.149699][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.149699][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.149699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.149699][ T10] [ 1116.152117][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1116.152117][ T10] netdev_get_by_index+0x5e/0x80 [ 1116.152117][ T10] fib6_nh_init+0x3d8/0x1580 [ 1116.152117][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1116.152117][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1116.152117][ T10] ipv6_add_addr+0x411/0x2000 [ 1116.152117][ T10] inet6_addr_add+0x30e/0xa40 [ 1116.152117][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1116.152117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.152117][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.152117][ T10] netlink_unicast+0x449/0x710 [ 1116.152117][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.152117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.152117][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.152117][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.152117][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.152117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.152117][ T10] [ 1116.154679][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1116.154679][ T10] netdev_get_by_index+0x5e/0x80 [ 1116.154679][ T10] fib6_nh_init+0x3d8/0x1580 [ 1116.154679][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1116.154679][ T10] ip6_route_add+0x1c/0x140 [ 1116.154679][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1116.154679][ T10] addrconf_add_dev+0xe2/0x170 [ 1116.154679][ T10] inet6_addr_add+0x12f/0xa40 [ 1116.154679][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1116.154679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.154679][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.154679][ T10] netlink_unicast+0x449/0x710 [ 1116.154679][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.154679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.154679][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.154679][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.154679][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.154679][ T10] [ 1116.157145][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1116.157145][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1116.157145][ T10] ipv6_find_idev+0x102/0x170 [ 1116.157145][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1116.157145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.157145][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.157145][ T10] netlink_unicast+0x449/0x710 [ 1116.157145][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.157145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.157145][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.157145][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.157145][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.157145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.157145][ T10] [ 1116.159069][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1116.159069][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1116.159069][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1116.159069][ T10] ipv6_find_idev+0x102/0x170 [ 1116.159069][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1116.159069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.159069][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.159069][ T10] netlink_unicast+0x449/0x710 [ 1116.159069][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.159069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.159069][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.159069][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.159069][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.159069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.159069][ T10] [ 1116.161194][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1116.161519][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1116.161519][ T10] netdev_get_by_index+0x5e/0x80 [ 1116.161519][ T10] fib6_nh_init+0x3d8/0x1580 [ 1116.161519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1116.161519][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1116.161519][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1116.161519][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1116.161519][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1116.161519][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1116.161519][ T10] addrconf_dad_begin+0x310/0x670 [ 1116.161519][ T10] addrconf_dad_work+0x10b/0xab0 [ 1116.161519][ T10] process_one_work+0x84d/0x18a0 [ 1116.161519][ T10] worker_thread+0x587/0xd30 [ 1116.161519][ T10] kthread+0x28a/0x350 [ 1116.161519][ T10] ret_from_fork+0x31/0x70 [ 1116.161519][ T10] ret_from_fork_asm+0x1a/0x30 [ 1116.161519][ T10] [ 1116.163931][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1116.163931][ T10] netdev_get_by_index+0x5e/0x80 [ 1116.163931][ T10] fib6_nh_init+0x3d8/0x1580 [ 1116.163931][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1116.163931][ T10] ip6_route_add+0x1c/0x140 [ 1116.163931][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1116.163931][ T10] inet6_addr_add+0x4f8/0xa40 [ 1116.163931][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1116.163931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.163931][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.163931][ T10] netlink_unicast+0x449/0x710 [ 1116.163931][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.163931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.163931][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.163931][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.163931][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.163931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.163931][ T10] [ 1116.166438][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1116.166438][ T10] netdev_get_by_index+0x5e/0x80 [ 1116.166438][ T10] fib6_nh_init+0x3d8/0x1580 [ 1116.166438][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1116.166438][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1116.166438][ T10] ipv6_add_addr+0x411/0x2000 [ 1116.166438][ T10] inet6_addr_add+0x30e/0xa40 [ 1116.166438][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1116.166438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.166438][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.166438][ T10] netlink_unicast+0x449/0x710 [ 1116.166438][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.166438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.166438][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.166438][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.166438][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.166438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.166438][ T10] [ 1116.168945][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1116.168945][ T10] netdev_get_by_index+0x5e/0x80 [ 1116.168945][ T10] fib6_nh_init+0x3d8/0x1580 [ 1116.168945][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1116.168945][ T10] ip6_route_add+0x1c/0x140 [ 1116.168945][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1116.168945][ T10] addrconf_add_dev+0xe2/0x170 [ 1116.168945][ T10] inet6_addr_add+0x12f/0xa40 [ 1116.168945][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1116.168945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.168945][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.168945][ T10] netlink_unicast+0x449/0x710 [ 1116.168945][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.168945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.168945][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.168945][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.168945][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.168945][ T10] [ 1116.171436][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1116.171436][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1116.171436][ T10] ipv6_find_idev+0x102/0x170 [ 1116.171436][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1116.171436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.171436][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.171436][ T10] netlink_unicast+0x449/0x710 [ 1116.171436][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.171436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.171436][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.171436][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.171436][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.171436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.171436][ T10] [ 1116.173432][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1116.173432][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1116.173432][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1116.173432][ T10] ipv6_find_idev+0x102/0x170 [ 1116.173432][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1116.173432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.173432][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.173432][ T10] netlink_unicast+0x449/0x710 [ 1116.173432][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.173432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.173432][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.173432][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.173432][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.173432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.173432][ T10] [ 1124.993082][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1124.993528][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1124.993528][ T1167] dst_init+0x84/0x4a0 [ 1124.993528][ T1167] dst_alloc+0x97/0x150 [ 1124.993528][ T1167] ip6_dst_alloc+0x23/0x90 [ 1124.993528][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1124.993528][ T1167] ip6_pol_route+0x56f/0x840 [ 1124.993528][ T1167] fib6_rule_lookup+0x334/0x630 [ 1124.993528][ T1167] ip6_route_output_flags+0x259/0x480 [ 1124.993528][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1124.993528][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1124.993528][ T1167] netlink_rcv_skb+0x130/0x360 [ 1124.993528][ T1167] netlink_unicast+0x449/0x710 [ 1124.993528][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1124.993528][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1124.993528][ T1167] ___sys_sendmsg+0xee/0x170 [ 1124.993528][ T1167] __sys_sendmsg+0xcd/0x170 [ 1124.993528][ T1167] do_syscall_64+0xc6/0x1e0 [ 1124.993528][ T1167] [ 1124.995776][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1124.995776][ T1167] netdev_get_by_index+0x5e/0x80 [ 1124.995776][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1124.995776][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1124.995776][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1124.995776][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1124.995776][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1124.995776][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1124.995776][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1124.995776][ T1167] addrconf_dad_begin+0x310/0x670 [ 1124.995776][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1124.995776][ T1167] process_one_work+0x84d/0x18a0 [ 1124.995776][ T1167] worker_thread+0x587/0xd30 [ 1124.995776][ T1167] kthread+0x28a/0x350 [ 1124.995776][ T1167] ret_from_fork+0x31/0x70 [ 1124.995776][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1124.995776][ T1167] [ 1124.997961][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1124.997961][ T1167] netdev_get_by_index+0x5e/0x80 [ 1124.997961][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1124.997961][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1124.997961][ T1167] ip6_route_add+0x1c/0x140 [ 1124.997961][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1124.997961][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1124.997961][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1124.997961][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1124.997961][ T1167] netlink_rcv_skb+0x130/0x360 [ 1124.997961][ T1167] netlink_unicast+0x449/0x710 [ 1124.997961][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1124.997961][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1124.997961][ T1167] ___sys_sendmsg+0xee/0x170 [ 1124.997961][ T1167] __sys_sendmsg+0xcd/0x170 [ 1124.997961][ T1167] do_syscall_64+0xc6/0x1e0 [ 1124.997961][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1124.997961][ T1167] [ 1125.000245][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1125.000245][ T1167] netdev_get_by_index+0x5e/0x80 [ 1125.000245][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1125.000245][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1125.000245][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1125.000245][ T1167] ipv6_add_addr+0x411/0x2000 [ 1125.000245][ T1167] inet6_addr_add+0x30e/0xa40 [ 1125.000245][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1125.000245][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1125.000245][ T1167] netlink_rcv_skb+0x130/0x360 [ 1125.000245][ T1167] netlink_unicast+0x449/0x710 [ 1125.000245][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1125.000245][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1125.000245][ T1167] ___sys_sendmsg+0xee/0x170 [ 1125.000245][ T1167] __sys_sendmsg+0xcd/0x170 [ 1125.000245][ T1167] do_syscall_64+0xc6/0x1e0 [ 1125.000245][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1125.000245][ T1167] [ 1125.002532][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1125.002532][ T1167] netdev_get_by_index+0x5e/0x80 [ 1125.002532][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1125.002532][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1125.002532][ T1167] ip6_route_add+0x1c/0x140 [ 1125.002532][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1125.002532][ T1167] addrconf_add_dev+0xe2/0x170 [ 1125.002532][ T1167] inet6_addr_add+0x12f/0xa40 [ 1125.002532][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1125.002532][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1125.002532][ T1167] netlink_rcv_skb+0x130/0x360 [ 1125.002532][ T1167] netlink_unicast+0x449/0x710 [ 1125.002532][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1125.002532][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1125.002532][ T1167] ___sys_sendmsg+0xee/0x170 [ 1125.002532][ T1167] __sys_sendmsg+0xcd/0x170 [ 1125.002532][ T1167] do_syscall_64+0xc6/0x1e0 [ 1125.002532][ T1167] [ 1125.004778][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1125.004778][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1125.004778][ T1167] ipv6_find_idev+0x102/0x170 [ 1125.004778][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1125.004778][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1125.004778][ T1167] netlink_rcv_skb+0x130/0x360 [ 1125.004778][ T1167] netlink_unicast+0x449/0x710 [ 1125.004778][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1125.004778][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1125.004778][ T1167] ___sys_sendmsg+0xee/0x170 [ 1125.004778][ T1167] __sys_sendmsg+0xcd/0x170 [ 1125.004778][ T1167] do_syscall_64+0xc6/0x1e0 [ 1125.004778][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1125.004778][ T1167] [ 1125.006533][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1125.006533][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1125.006533][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1125.006533][ T1167] ipv6_find_idev+0x102/0x170 [ 1125.006533][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1125.006533][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1125.006533][ T1167] netlink_rcv_skb+0x130/0x360 [ 1125.006533][ T1167] netlink_unicast+0x449/0x710 [ 1125.006533][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1125.006533][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1125.006533][ T1167] ___sys_sendmsg+0xee/0x170 [ 1125.006533][ T1167] __sys_sendmsg+0xcd/0x170 [ 1125.006533][ T1167] do_syscall_64+0xc6/0x1e0 [ 1125.006533][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1125.006533][ T1167] [ 1126.417189][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1126.417646][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1126.417646][ T10] netdev_get_by_index+0x5e/0x80 [ 1126.417646][ T10] fib6_nh_init+0x3d8/0x1580 [ 1126.417646][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1126.417646][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1126.417646][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1126.417646][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1126.417646][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1126.417646][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1126.417646][ T10] addrconf_dad_begin+0x310/0x670 [ 1126.417646][ T10] addrconf_dad_work+0x10b/0xab0 [ 1126.417646][ T10] process_one_work+0x84d/0x18a0 [ 1126.417646][ T10] worker_thread+0x587/0xd30 [ 1126.417646][ T10] kthread+0x28a/0x350 [ 1126.417646][ T10] ret_from_fork+0x31/0x70 [ 1126.417646][ T10] ret_from_fork_asm+0x1a/0x30 [ 1126.417646][ T10] [ 1126.419869][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1126.419869][ T10] netdev_get_by_index+0x5e/0x80 [ 1126.419869][ T10] fib6_nh_init+0x3d8/0x1580 [ 1126.419869][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1126.419869][ T10] ip6_route_add+0x1c/0x140 [ 1126.419869][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1126.419869][ T10] inet6_addr_add+0x4f8/0xa40 [ 1126.419869][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1126.419869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1126.419869][ T10] netlink_rcv_skb+0x130/0x360 [ 1126.419869][ T10] netlink_unicast+0x449/0x710 [ 1126.419869][ T10] netlink_sendmsg+0x723/0xbe0 [ 1126.419869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1126.419869][ T10] ___sys_sendmsg+0xee/0x170 [ 1126.419869][ T10] __sys_sendmsg+0xcd/0x170 [ 1126.419869][ T10] do_syscall_64+0xc6/0x1e0 [ 1126.419869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1126.419869][ T10] [ 1126.422143][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1126.422143][ T10] netdev_get_by_index+0x5e/0x80 [ 1126.422143][ T10] fib6_nh_init+0x3d8/0x1580 [ 1126.422143][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1126.422143][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1126.422143][ T10] ipv6_add_addr+0x411/0x2000 [ 1126.422143][ T10] inet6_addr_add+0x30e/0xa40 [ 1126.422143][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1126.422143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1126.422143][ T10] netlink_rcv_skb+0x130/0x360 [ 1126.422143][ T10] netlink_unicast+0x449/0x710 [ 1126.422143][ T10] netlink_sendmsg+0x723/0xbe0 [ 1126.422143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1126.422143][ T10] ___sys_sendmsg+0xee/0x170 [ 1126.422143][ T10] __sys_sendmsg+0xcd/0x170 [ 1126.422143][ T10] do_syscall_64+0xc6/0x1e0 [ 1126.422143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1126.422143][ T10] [ 1126.424426][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1126.424426][ T10] netdev_get_by_index+0x5e/0x80 [ 1126.424426][ T10] fib6_nh_init+0x3d8/0x1580 [ 1126.424426][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1126.424426][ T10] ip6_route_add+0x1c/0x140 [ 1126.424426][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1126.424426][ T10] addrconf_add_dev+0xe2/0x170 [ 1126.424426][ T10] inet6_addr_add+0x12f/0xa40 [ 1126.424426][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1126.424426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1126.424426][ T10] netlink_rcv_skb+0x130/0x360 [ 1126.424426][ T10] netlink_unicast+0x449/0x710 [ 1126.424426][ T10] netlink_sendmsg+0x723/0xbe0 [ 1126.424426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1126.424426][ T10] ___sys_sendmsg+0xee/0x170 [ 1126.424426][ T10] __sys_sendmsg+0xcd/0x170 [ 1126.424426][ T10] do_syscall_64+0xc6/0x1e0 [ 1126.424426][ T10] [ 1126.426636][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1126.426636][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1126.426636][ T10] ipv6_find_idev+0x102/0x170 [ 1126.426636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1126.426636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1126.426636][ T10] netlink_rcv_skb+0x130/0x360 [ 1126.426636][ T10] netlink_unicast+0x449/0x710 [ 1126.426636][ T10] netlink_sendmsg+0x723/0xbe0 [ 1126.426636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1126.426636][ T10] ___sys_sendmsg+0xee/0x170 [ 1126.426636][ T10] __sys_sendmsg+0xcd/0x170 [ 1126.426636][ T10] do_syscall_64+0xc6/0x1e0 [ 1126.426636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1126.426636][ T10] [ 1126.428383][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1126.428383][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1126.428383][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1126.428383][ T10] ipv6_find_idev+0x102/0x170 [ 1126.428383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1126.428383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1126.428383][ T10] netlink_rcv_skb+0x130/0x360 [ 1126.428383][ T10] netlink_unicast+0x449/0x710 [ 1126.428383][ T10] netlink_sendmsg+0x723/0xbe0 [ 1126.428383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1126.428383][ T10] ___sys_sendmsg+0xee/0x170 [ 1126.428383][ T10] __sys_sendmsg+0xcd/0x170 [ 1126.428383][ T10] do_syscall_64+0xc6/0x1e0 [ 1126.428383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1126.428383][ T10] [ 1126.430342][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1126.430617][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1126.430617][ T10] netdev_get_by_index+0x5e/0x80 [ 1126.430617][ T10] fib6_nh_init+0x3d8/0x1580 [ 1126.430617][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1126.430617][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1126.430617][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1126.430617][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1126.430617][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1126.430617][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1126.430617][ T10] addrconf_dad_begin+0x310/0x670 [ 1126.430617][ T10] addrconf_dad_work+0x10b/0xab0 [ 1126.430617][ T10] process_one_work+0x84d/0x18a0 [ 1126.430617][ T10] worker_thread+0x587/0xd30 [ 1126.430617][ T10] kthread+0x28a/0x350 [ 1126.430617][ T10] ret_from_fork+0x31/0x70 [ 1126.430617][ T10] ret_from_fork_asm+0x1a/0x30 [ 1126.430617][ T10] [ 1126.432766][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1126.432766][ T10] netdev_get_by_index+0x5e/0x80 [ 1126.432766][ T10] fib6_nh_init+0x3d8/0x1580 [ 1126.432766][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1126.432766][ T10] ip6_route_add+0x1c/0x140 [ 1126.432766][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1126.432766][ T10] inet6_addr_add+0x4f8/0xa40 [ 1126.432766][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1126.432766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1126.432766][ T10] netlink_rcv_skb+0x130/0x360 [ 1126.432766][ T10] netlink_unicast+0x449/0x710 [ 1126.432766][ T10] netlink_sendmsg+0x723/0xbe0 [ 1126.432766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1126.432766][ T10] ___sys_sendmsg+0xee/0x170 [ 1126.432766][ T10] __sys_sendmsg+0xcd/0x170 [ 1126.432766][ T10] do_syscall_64+0xc6/0x1e0 [ 1126.432766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1126.432766][ T10] [ 1126.435042][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1126.435042][ T10] netdev_get_by_index+0x5e/0x80 [ 1126.435042][ T10] fib6_nh_init+0x3d8/0x1580 [ 1126.435042][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1126.435042][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1126.435042][ T10] ipv6_add_addr+0x411/0x2000 [ 1126.435042][ T10] inet6_addr_add+0x30e/0xa40 [ 1126.435042][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1126.435042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1126.435042][ T10] netlink_rcv_skb+0x130/0x360 [ 1126.435042][ T10] netlink_unicast+0x449/0x710 [ 1126.435042][ T10] netlink_sendmsg+0x723/0xbe0 [ 1126.435042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1126.435042][ T10] ___sys_sendmsg+0xee/0x170 [ 1126.435042][ T10] __sys_sendmsg+0xcd/0x170 [ 1126.435042][ T10] do_syscall_64+0xc6/0x1e0 [ 1126.435042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1126.435042][ T10] [ 1126.437323][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1126.437323][ T10] netdev_get_by_index+0x5e/0x80 [ 1126.437323][ T10] fib6_nh_init+0x3d8/0x1580 [ 1126.437323][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1126.437323][ T10] ip6_route_add+0x1c/0x140 [ 1126.437323][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1126.437323][ T10] addrconf_add_dev+0xe2/0x170 [ 1126.437323][ T10] inet6_addr_add+0x12f/0xa40 [ 1126.437323][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1126.437323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1126.437323][ T10] netlink_rcv_skb+0x130/0x360 [ 1126.437323][ T10] netlink_unicast+0x449/0x710 [ 1126.437323][ T10] netlink_sendmsg+0x723/0xbe0 [ 1126.437323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1126.437323][ T10] ___sys_sendmsg+0xee/0x170 [ 1126.437323][ T10] __sys_sendmsg+0xcd/0x170 [ 1126.437323][ T10] do_syscall_64+0xc6/0x1e0 [ 1126.437323][ T10] [ 1126.439550][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1126.439550][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1126.439550][ T10] ipv6_find_idev+0x102/0x170 [ 1126.439550][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1126.439550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1126.439550][ T10] netlink_rcv_skb+0x130/0x360 [ 1126.439550][ T10] netlink_unicast+0x449/0x710 [ 1126.439550][ T10] netlink_sendmsg+0x723/0xbe0 [ 1126.439550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1126.439550][ T10] ___sys_sendmsg+0xee/0x170 [ 1126.439550][ T10] __sys_sendmsg+0xcd/0x170 [ 1126.439550][ T10] do_syscall_64+0xc6/0x1e0 [ 1126.439550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1126.439550][ T10] [ 1126.441285][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1126.441285][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1126.441285][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1126.441285][ T10] ipv6_find_idev+0x102/0x170 [ 1126.441285][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1126.441285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1126.441285][ T10] netlink_rcv_skb+0x130/0x360 [ 1126.441285][ T10] netlink_unicast+0x449/0x710 [ 1126.441285][ T10] netlink_sendmsg+0x723/0xbe0 [ 1126.441285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1126.441285][ T10] ___sys_sendmsg+0xee/0x170 [ 1126.441285][ T10] __sys_sendmsg+0xcd/0x170 [ 1126.441285][ T10] do_syscall_64+0xc6/0x1e0 [ 1126.441285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1126.441285][ T10] [ 1126.443217][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1126.443493][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1126.443493][ T10] netdev_get_by_index+0x5e/0x80 [ 1126.443493][ T10] fib6_nh_init+0x3d8/0x1580 [ 1126.443493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1126.443493][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1126.443493][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1126.443493][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1126.443493][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1126.443493][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1126.443493][ T10] addrconf_dad_begin+0x310/0x670 [ 1126.443493][ T10] addrconf_dad_work+0x10b/0xab0 [ 1126.443493][ T10] process_one_work+0x84d/0x18a0 [ 1126.443493][ T10] worker_thread+0x587/0xd30 [ 1126.443493][ T10] kthread+0x28a/0x350 [ 1126.443493][ T10] ret_from_fork+0x31/0x70 [ 1126.443493][ T10] ret_from_fork_asm+0x1a/0x30 [ 1126.443493][ T10] [ 1126.445660][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1126.445660][ T10] netdev_get_by_index+0x5e/0x80 [ 1126.445660][ T10] fib6_nh_init+0x3d8/0x1580 [ 1126.445660][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1126.445660][ T10] ip6_route_add+0x1c/0x140 [ 1126.445660][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1126.445660][ T10] inet6_addr_add+0x4f8/0xa40 [ 1126.445660][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1126.445660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1126.445660][ T10] netlink_rcv_skb+0x130/0x360 [ 1126.445660][ T10] netlink_unicast+0x449/0x710 [ 1126.445660][ T10] netlink_sendmsg+0x723/0xbe0 [ 1126.445660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1126.445660][ T10] ___sys_sendmsg+0xee/0x170 [ 1126.445660][ T10] __sys_sendmsg+0xcd/0x170 [ 1126.445660][ T10] do_syscall_64+0xc6/0x1e0 [ 1126.445660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1126.445660][ T10] [ 1126.448105][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1126.448105][ T10] netdev_get_by_index+0x5e/0x80 [ 1126.448105][ T10] fib6_nh_init+0x3d8/0x1580 [ 1126.448105][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1126.448105][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1126.448105][ T10] ipv6_add_addr+0x411/0x2000 [ 1126.448105][ T10] inet6_addr_add+0x30e/0xa40 [ 1126.448105][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1126.448105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1126.448105][ T10] netlink_rcv_skb+0x130/0x360 [ 1126.448105][ T10] netlink_unicast+0x449/0x710 [ 1126.448105][ T10] netlink_sendmsg+0x723/0xbe0 [ 1126.448105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1126.448105][ T10] ___sys_sendmsg+0xee/0x170 [ 1126.448105][ T10] __sys_sendmsg+0xcd/0x170 [ 1126.448105][ T10] do_syscall_64+0xc6/0x1e0 [ 1126.448105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1126.448105][ T10] [ 1126.450605][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1126.450605][ T10] netdev_get_by_index+0x5e/0x80 [ 1126.450605][ T10] fib6_nh_init+0x3d8/0x1580 [ 1126.450605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1126.450605][ T10] ip6_route_add+0x1c/0x140 [ 1126.450605][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1126.450605][ T10] addrconf_add_dev+0xe2/0x170 [ 1126.450605][ T10] inet6_addr_add+0x12f/0xa40 [ 1126.450605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1126.450605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1126.450605][ T10] netlink_rcv_skb+0x130/0x360 [ 1126.450605][ T10] netlink_unicast+0x449/0x710 [ 1126.450605][ T10] netlink_sendmsg+0x723/0xbe0 [ 1126.450605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1126.450605][ T10] ___sys_sendmsg+0xee/0x170 [ 1126.450605][ T10] __sys_sendmsg+0xcd/0x170 [ 1126.450605][ T10] do_syscall_64+0xc6/0x1e0 [ 1126.450605][ T10] [ 1126.453095][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1126.453095][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1126.453095][ T10] ipv6_find_idev+0x102/0x170 [ 1126.453095][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1126.453095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1126.453095][ T10] netlink_rcv_skb+0x130/0x360 [ 1126.453095][ T10] netlink_unicast+0x449/0x710 [ 1126.453095][ T10] netlink_sendmsg+0x723/0xbe0 [ 1126.453095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1126.453095][ T10] ___sys_sendmsg+0xee/0x170 [ 1126.453095][ T10] __sys_sendmsg+0xcd/0x170 [ 1126.453095][ T10] do_syscall_64+0xc6/0x1e0 [ 1126.453095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1126.453095][ T10] [ 1126.455014][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1126.455014][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1126.455014][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1126.455014][ T10] ipv6_find_idev+0x102/0x170 [ 1126.455014][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1126.455014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1126.455014][ T10] netlink_rcv_skb+0x130/0x360 [ 1126.455014][ T10] netlink_unicast+0x449/0x710 [ 1126.455014][ T10] netlink_sendmsg+0x723/0xbe0 [ 1126.455014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1126.455014][ T10] ___sys_sendmsg+0xee/0x170 [ 1126.455014][ T10] __sys_sendmsg+0xcd/0x170 [ 1126.455014][ T10] do_syscall_64+0xc6/0x1e0 [ 1126.455014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1126.455014][ T10] [ 1126.457168][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1126.457489][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1126.457489][ T10] netdev_get_by_index+0x5e/0x80 [ 1126.457489][ T10] fib6_nh_init+0x3d8/0x1580 [ 1126.457489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1126.457489][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1126.457489][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1126.457489][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1126.457489][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1126.457489][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1126.457489][ T10] addrconf_dad_begin+0x310/0x670 [ 1126.457489][ T10] addrconf_dad_work+0x10b/0xab0 [ 1126.457489][ T10] process_one_work+0x84d/0x18a0 [ 1126.457489][ T10] worker_thread+0x587/0xd30 [ 1126.457489][ T10] kthread+0x28a/0x350 [ 1126.457489][ T10] ret_from_fork+0x31/0x70 [ 1126.457489][ T10] ret_from_fork_asm+0x1a/0x30 [ 1126.457489][ T10] [ 1126.459826][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1126.459826][ T10] netdev_get_by_index+0x5e/0x80 [ 1126.459826][ T10] fib6_nh_init+0x3d8/0x1580 [ 1126.459826][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1126.459826][ T10] ip6_route_add+0x1c/0x140 [ 1126.459826][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1126.459826][ T10] inet6_addr_add+0x4f8/0xa40 [ 1126.459826][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1126.459826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1126.459826][ T10] netlink_rcv_skb+0x130/0x360 [ 1126.459826][ T10] netlink_unicast+0x449/0x710 [ 1126.459826][ T10] netlink_sendmsg+0x723/0xbe0 [ 1126.459826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1126.459826][ T10] ___sys_sendmsg+0xee/0x170 [ 1126.459826][ T10] __sys_sendmsg+0xcd/0x170 [ 1126.459826][ T10] do_syscall_64+0xc6/0x1e0 [ 1126.459826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1126.459826][ T10] [ 1126.462325][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1126.462325][ T10] netdev_get_by_index+0x5e/0x80 [ 1126.462325][ T10] fib6_nh_init+0x3d8/0x1580 [ 1126.462325][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1126.462325][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1126.462325][ T10] ipv6_add_addr+0x411/0x2000 [ 1126.462325][ T10] inet6_addr_add+0x30e/0xa40 [ 1126.462325][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1126.462325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1126.462325][ T10] netlink_rcv_skb+0x130/0x360 [ 1126.462325][ T10] netlink_unicast+0x449/0x710 [ 1126.462325][ T10] netlink_sendmsg+0x723/0xbe0 [ 1126.462325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1126.462325][ T10] ___sys_sendmsg+0xee/0x170 [ 1126.462325][ T10] __sys_sendmsg+0xcd/0x170 [ 1126.462325][ T10] do_syscall_64+0xc6/0x1e0 [ 1126.462325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1126.462325][ T10] [ 1126.464824][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1126.464824][ T10] netdev_get_by_index+0x5e/0x80 [ 1126.464824][ T10] fib6_nh_init+0x3d8/0x1580 [ 1126.464824][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1126.464824][ T10] ip6_route_add+0x1c/0x140 [ 1126.464824][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1126.464824][ T10] addrconf_add_dev+0xe2/0x170 [ 1126.464824][ T10] inet6_addr_add+0x12f/0xa40 [ 1126.464824][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1126.464824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1126.464824][ T10] netlink_rcv_skb+0x130/0x360 [ 1126.464824][ T10] netlink_unicast+0x449/0x710 [ 1126.464824][ T10] netlink_sendmsg+0x723/0xbe0 [ 1126.464824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1126.464824][ T10] ___sys_sendmsg+0xee/0x170 [ 1126.464824][ T10] __sys_sendmsg+0xcd/0x170 [ 1126.464824][ T10] do_syscall_64+0xc6/0x1e0 [ 1126.464824][ T10] [ 1126.467348][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1126.467348][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1126.467348][ T10] ipv6_find_idev+0x102/0x170 [ 1126.467348][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1126.467348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1126.467348][ T10] netlink_rcv_skb+0x130/0x360 [ 1126.467348][ T10] netlink_unicast+0x449/0x710 [ 1126.467348][ T10] netlink_sendmsg+0x723/0xbe0 [ 1126.467348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1126.467348][ T10] ___sys_sendmsg+0xee/0x170 [ 1126.467348][ T10] __sys_sendmsg+0xcd/0x170 [ 1126.467348][ T10] do_syscall_64+0xc6/0x1e0 [ 1126.467348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1126.467348][ T10] [ 1126.469280][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1126.469280][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1126.469280][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1126.469280][ T10] ipv6_find_idev+0x102/0x170 [ 1126.469280][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1126.469280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1126.469280][ T10] netlink_rcv_skb+0x130/0x360 [ 1126.469280][ T10] netlink_unicast+0x449/0x710 [ 1126.469280][ T10] netlink_sendmsg+0x723/0xbe0 [ 1126.469280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1126.469280][ T10] ___sys_sendmsg+0xee/0x170 [ 1126.469280][ T10] __sys_sendmsg+0xcd/0x170 [ 1126.469280][ T10] do_syscall_64+0xc6/0x1e0 [ 1126.469280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1126.469280][ T10] [ 1135.249136][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1135.249642][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1135.249642][ T1167] dst_init+0x84/0x4a0 [ 1135.249642][ T1167] dst_alloc+0x97/0x150 [ 1135.249642][ T1167] ip6_dst_alloc+0x23/0x90 [ 1135.249642][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1135.249642][ T1167] ip6_pol_route+0x56f/0x840 [ 1135.249642][ T1167] fib6_rule_lookup+0x334/0x630 [ 1135.249642][ T1167] ip6_route_output_flags+0x259/0x480 [ 1135.249642][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1135.249642][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1135.249642][ T1167] netlink_rcv_skb+0x130/0x360 [ 1135.249642][ T1167] netlink_unicast+0x449/0x710 [ 1135.249642][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1135.249642][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1135.249642][ T1167] ___sys_sendmsg+0xee/0x170 [ 1135.249642][ T1167] __sys_sendmsg+0xcd/0x170 [ 1135.249642][ T1167] do_syscall_64+0xc6/0x1e0 [ 1135.249642][ T1167] [ 1135.252137][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1135.252137][ T1167] netdev_get_by_index+0x5e/0x80 [ 1135.252137][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1135.252137][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1135.252137][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1135.252137][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1135.252137][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1135.252137][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1135.252137][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1135.252137][ T1167] addrconf_dad_begin+0x310/0x670 [ 1135.252137][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1135.252137][ T1167] process_one_work+0x84d/0x18a0 [ 1135.252137][ T1167] worker_thread+0x587/0xd30 [ 1135.252137][ T1167] kthread+0x28a/0x350 [ 1135.252137][ T1167] ret_from_fork+0x31/0x70 [ 1135.252137][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1135.252137][ T1167] [ 1135.254558][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1135.254558][ T1167] netdev_get_by_index+0x5e/0x80 [ 1135.254558][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1135.254558][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1135.254558][ T1167] ip6_route_add+0x1c/0x140 [ 1135.254558][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1135.254558][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1135.254558][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1135.254558][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.254558][ T1167] netlink_rcv_skb+0x130/0x360 [ 1135.254558][ T1167] netlink_unicast+0x449/0x710 [ 1135.254558][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1135.254558][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1135.254558][ T1167] ___sys_sendmsg+0xee/0x170 [ 1135.254558][ T1167] __sys_sendmsg+0xcd/0x170 [ 1135.254558][ T1167] do_syscall_64+0xc6/0x1e0 [ 1135.254558][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.254558][ T1167] [ 1135.257634][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1135.257634][ T1167] netdev_get_by_index+0x5e/0x80 [ 1135.257634][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1135.257634][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1135.257634][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1135.257634][ T1167] ipv6_add_addr+0x411/0x2000 [ 1135.257634][ T1167] inet6_addr_add+0x30e/0xa40 [ 1135.257634][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1135.257634][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.257634][ T1167] netlink_rcv_skb+0x130/0x360 [ 1135.257634][ T1167] netlink_unicast+0x449/0x710 [ 1135.257634][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1135.257634][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1135.257634][ T1167] ___sys_sendmsg+0xee/0x170 [ 1135.257634][ T1167] __sys_sendmsg+0xcd/0x170 [ 1135.257634][ T1167] do_syscall_64+0xc6/0x1e0 [ 1135.257634][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.257634][ T1167] [ 1135.260171][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1135.260171][ T1167] netdev_get_by_index+0x5e/0x80 [ 1135.260171][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1135.260171][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1135.260171][ T1167] ip6_route_add+0x1c/0x140 [ 1135.260171][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1135.260171][ T1167] addrconf_add_dev+0xe2/0x170 [ 1135.260171][ T1167] inet6_addr_add+0x12f/0xa40 [ 1135.260171][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1135.260171][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.260171][ T1167] netlink_rcv_skb+0x130/0x360 [ 1135.260171][ T1167] netlink_unicast+0x449/0x710 [ 1135.260171][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1135.260171][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1135.260171][ T1167] ___sys_sendmsg+0xee/0x170 [ 1135.260171][ T1167] __sys_sendmsg+0xcd/0x170 [ 1135.260171][ T1167] do_syscall_64+0xc6/0x1e0 [ 1135.260171][ T1167] [ 1135.262657][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1135.262657][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1135.262657][ T1167] ipv6_find_idev+0x102/0x170 [ 1135.262657][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1135.262657][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.262657][ T1167] netlink_rcv_skb+0x130/0x360 [ 1135.262657][ T1167] netlink_unicast+0x449/0x710 [ 1135.262657][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1135.262657][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1135.262657][ T1167] ___sys_sendmsg+0xee/0x170 [ 1135.262657][ T1167] __sys_sendmsg+0xcd/0x170 [ 1135.262657][ T1167] do_syscall_64+0xc6/0x1e0 [ 1135.262657][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.262657][ T1167] [ 1135.264609][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1135.264609][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1135.264609][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1135.264609][ T1167] ipv6_find_idev+0x102/0x170 [ 1135.264609][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1135.264609][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.264609][ T1167] netlink_rcv_skb+0x130/0x360 [ 1135.264609][ T1167] netlink_unicast+0x449/0x710 [ 1135.264609][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1135.264609][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1135.264609][ T1167] ___sys_sendmsg+0xee/0x170 [ 1135.264609][ T1167] __sys_sendmsg+0xcd/0x170 [ 1135.264609][ T1167] do_syscall_64+0xc6/0x1e0 [ 1135.264609][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.264609][ T1167] [ 1136.713110][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1136.713606][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1136.713606][ T10] netdev_get_by_index+0x5e/0x80 [ 1136.713606][ T10] fib6_nh_init+0x3d8/0x1580 [ 1136.713606][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1136.713606][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1136.713606][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1136.713606][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1136.713606][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1136.713606][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1136.713606][ T10] addrconf_dad_begin+0x310/0x670 [ 1136.713606][ T10] addrconf_dad_work+0x10b/0xab0 [ 1136.713606][ T10] process_one_work+0x84d/0x18a0 [ 1136.713606][ T10] worker_thread+0x587/0xd30 [ 1136.713606][ T10] kthread+0x28a/0x350 [ 1136.713606][ T10] ret_from_fork+0x31/0x70 [ 1136.713606][ T10] ret_from_fork_asm+0x1a/0x30 [ 1136.713606][ T10] [ 1136.715815][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1136.715815][ T10] netdev_get_by_index+0x5e/0x80 [ 1136.715815][ T10] fib6_nh_init+0x3d8/0x1580 [ 1136.715815][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1136.715815][ T10] ip6_route_add+0x1c/0x140 [ 1136.715815][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1136.715815][ T10] inet6_addr_add+0x4f8/0xa40 [ 1136.715815][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1136.715815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1136.715815][ T10] netlink_rcv_skb+0x130/0x360 [ 1136.715815][ T10] netlink_unicast+0x449/0x710 [ 1136.715815][ T10] netlink_sendmsg+0x723/0xbe0 [ 1136.715815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1136.715815][ T10] ___sys_sendmsg+0xee/0x170 [ 1136.715815][ T10] __sys_sendmsg+0xcd/0x170 [ 1136.715815][ T10] do_syscall_64+0xc6/0x1e0 [ 1136.715815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1136.715815][ T10] [ 1136.718102][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1136.718102][ T10] netdev_get_by_index+0x5e/0x80 [ 1136.718102][ T10] fib6_nh_init+0x3d8/0x1580 [ 1136.718102][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1136.718102][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1136.718102][ T10] ipv6_add_addr+0x411/0x2000 [ 1136.718102][ T10] inet6_addr_add+0x30e/0xa40 [ 1136.718102][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1136.718102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1136.718102][ T10] netlink_rcv_skb+0x130/0x360 [ 1136.718102][ T10] netlink_unicast+0x449/0x710 [ 1136.718102][ T10] netlink_sendmsg+0x723/0xbe0 [ 1136.718102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1136.718102][ T10] ___sys_sendmsg+0xee/0x170 [ 1136.718102][ T10] __sys_sendmsg+0xcd/0x170 [ 1136.718102][ T10] do_syscall_64+0xc6/0x1e0 [ 1136.718102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1136.718102][ T10] [ 1136.720400][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1136.720400][ T10] netdev_get_by_index+0x5e/0x80 [ 1136.720400][ T10] fib6_nh_init+0x3d8/0x1580 [ 1136.720400][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1136.720400][ T10] ip6_route_add+0x1c/0x140 [ 1136.720400][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1136.720400][ T10] addrconf_add_dev+0xe2/0x170 [ 1136.720400][ T10] inet6_addr_add+0x12f/0xa40 [ 1136.720400][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1136.720400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1136.720400][ T10] netlink_rcv_skb+0x130/0x360 [ 1136.720400][ T10] netlink_unicast+0x449/0x710 [ 1136.720400][ T10] netlink_sendmsg+0x723/0xbe0 [ 1136.720400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1136.720400][ T10] ___sys_sendmsg+0xee/0x170 [ 1136.720400][ T10] __sys_sendmsg+0xcd/0x170 [ 1136.720400][ T10] do_syscall_64+0xc6/0x1e0 [ 1136.720400][ T10] [ 1136.722655][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1136.722655][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1136.722655][ T10] ipv6_find_idev+0x102/0x170 [ 1136.722655][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1136.722655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1136.722655][ T10] netlink_rcv_skb+0x130/0x360 [ 1136.722655][ T10] netlink_unicast+0x449/0x710 [ 1136.722655][ T10] netlink_sendmsg+0x723/0xbe0 [ 1136.722655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1136.722655][ T10] ___sys_sendmsg+0xee/0x170 [ 1136.722655][ T10] __sys_sendmsg+0xcd/0x170 [ 1136.722655][ T10] do_syscall_64+0xc6/0x1e0 [ 1136.722655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1136.722655][ T10] [ 1136.724429][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1136.724429][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1136.724429][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1136.724429][ T10] ipv6_find_idev+0x102/0x170 [ 1136.724429][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1136.724429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1136.724429][ T10] netlink_rcv_skb+0x130/0x360 [ 1136.724429][ T10] netlink_unicast+0x449/0x710 [ 1136.724429][ T10] netlink_sendmsg+0x723/0xbe0 [ 1136.724429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1136.724429][ T10] ___sys_sendmsg+0xee/0x170 [ 1136.724429][ T10] __sys_sendmsg+0xcd/0x170 [ 1136.724429][ T10] do_syscall_64+0xc6/0x1e0 [ 1136.724429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1136.724429][ T10] [ 1136.726386][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1136.726660][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1136.726660][ T10] netdev_get_by_index+0x5e/0x80 [ 1136.726660][ T10] fib6_nh_init+0x3d8/0x1580 [ 1136.726660][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1136.726660][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1136.726660][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1136.726660][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1136.726660][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1136.726660][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1136.726660][ T10] addrconf_dad_begin+0x310/0x670 [ 1136.726660][ T10] addrconf_dad_work+0x10b/0xab0 [ 1136.726660][ T10] process_one_work+0x84d/0x18a0 [ 1136.726660][ T10] worker_thread+0x587/0xd30 [ 1136.726660][ T10] kthread+0x28a/0x350 [ 1136.726660][ T10] ret_from_fork+0x31/0x70 [ 1136.726660][ T10] ret_from_fork_asm+0x1a/0x30 [ 1136.726660][ T10] [ 1136.728811][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1136.728811][ T10] netdev_get_by_index+0x5e/0x80 [ 1136.728811][ T10] fib6_nh_init+0x3d8/0x1580 [ 1136.728811][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1136.728811][ T10] ip6_route_add+0x1c/0x140 [ 1136.728811][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1136.728811][ T10] inet6_addr_add+0x4f8/0xa40 [ 1136.728811][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1136.728811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1136.728811][ T10] netlink_rcv_skb+0x130/0x360 [ 1136.728811][ T10] netlink_unicast+0x449/0x710 [ 1136.728811][ T10] netlink_sendmsg+0x723/0xbe0 [ 1136.728811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1136.728811][ T10] ___sys_sendmsg+0xee/0x170 [ 1136.728811][ T10] __sys_sendmsg+0xcd/0x170 [ 1136.728811][ T10] do_syscall_64+0xc6/0x1e0 [ 1136.728811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1136.728811][ T10] [ 1136.731069][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1136.731069][ T10] netdev_get_by_index+0x5e/0x80 [ 1136.731069][ T10] fib6_nh_init+0x3d8/0x1580 [ 1136.731069][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1136.731069][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1136.731069][ T10] ipv6_add_addr+0x411/0x2000 [ 1136.731069][ T10] inet6_addr_add+0x30e/0xa40 [ 1136.731069][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1136.731069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1136.731069][ T10] netlink_rcv_skb+0x130/0x360 [ 1136.731069][ T10] netlink_unicast+0x449/0x710 [ 1136.731069][ T10] netlink_sendmsg+0x723/0xbe0 [ 1136.731069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1136.731069][ T10] ___sys_sendmsg+0xee/0x170 [ 1136.731069][ T10] __sys_sendmsg+0xcd/0x170 [ 1136.731069][ T10] do_syscall_64+0xc6/0x1e0 [ 1136.731069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1136.731069][ T10] [ 1136.733332][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1136.733332][ T10] netdev_get_by_index+0x5e/0x80 [ 1136.733332][ T10] fib6_nh_init+0x3d8/0x1580 [ 1136.733332][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1136.733332][ T10] ip6_route_add+0x1c/0x140 [ 1136.733332][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1136.733332][ T10] addrconf_add_dev+0xe2/0x170 [ 1136.733332][ T10] inet6_addr_add+0x12f/0xa40 [ 1136.733332][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1136.733332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1136.733332][ T10] netlink_rcv_skb+0x130/0x360 [ 1136.733332][ T10] netlink_unicast+0x449/0x710 [ 1136.733332][ T10] netlink_sendmsg+0x723/0xbe0 [ 1136.733332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1136.733332][ T10] ___sys_sendmsg+0xee/0x170 [ 1136.733332][ T10] __sys_sendmsg+0xcd/0x170 [ 1136.733332][ T10] do_syscall_64+0xc6/0x1e0 [ 1136.733332][ T10] [ 1136.735596][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1136.735596][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1136.735596][ T10] ipv6_find_idev+0x102/0x170 [ 1136.735596][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1136.735596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1136.735596][ T10] netlink_rcv_skb+0x130/0x360 [ 1136.735596][ T10] netlink_unicast+0x449/0x710 [ 1136.735596][ T10] netlink_sendmsg+0x723/0xbe0 [ 1136.735596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1136.735596][ T10] ___sys_sendmsg+0xee/0x170 [ 1136.735596][ T10] __sys_sendmsg+0xcd/0x170 [ 1136.735596][ T10] do_syscall_64+0xc6/0x1e0 [ 1136.735596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1136.735596][ T10] [ 1136.737348][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1136.737348][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1136.737348][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1136.737348][ T10] ipv6_find_idev+0x102/0x170 [ 1136.737348][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1136.737348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1136.737348][ T10] netlink_rcv_skb+0x130/0x360 [ 1136.737348][ T10] netlink_unicast+0x449/0x710 [ 1136.737348][ T10] netlink_sendmsg+0x723/0xbe0 [ 1136.737348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1136.737348][ T10] ___sys_sendmsg+0xee/0x170 [ 1136.737348][ T10] __sys_sendmsg+0xcd/0x170 [ 1136.737348][ T10] do_syscall_64+0xc6/0x1e0 [ 1136.737348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1136.737348][ T10] [ 1136.739293][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1136.739567][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1136.739567][ T10] netdev_get_by_index+0x5e/0x80 [ 1136.739567][ T10] fib6_nh_init+0x3d8/0x1580 [ 1136.739567][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1136.739567][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1136.739567][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1136.739567][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1136.739567][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1136.739567][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1136.739567][ T10] addrconf_dad_begin+0x310/0x670 [ 1136.739567][ T10] addrconf_dad_work+0x10b/0xab0 [ 1136.739567][ T10] process_one_work+0x84d/0x18a0 [ 1136.739567][ T10] worker_thread+0x587/0xd30 [ 1136.739567][ T10] kthread+0x28a/0x350 [ 1136.739567][ T10] ret_from_fork+0x31/0x70 [ 1136.739567][ T10] ret_from_fork_asm+0x1a/0x30 [ 1136.739567][ T10] [ 1136.741751][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1136.741751][ T10] netdev_get_by_index+0x5e/0x80 [ 1136.741751][ T10] fib6_nh_init+0x3d8/0x1580 [ 1136.741751][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1136.741751][ T10] ip6_route_add+0x1c/0x140 [ 1136.741751][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1136.741751][ T10] inet6_addr_add+0x4f8/0xa40 [ 1136.741751][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1136.741751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1136.741751][ T10] netlink_rcv_skb+0x130/0x360 [ 1136.741751][ T10] netlink_unicast+0x449/0x710 [ 1136.741751][ T10] netlink_sendmsg+0x723/0xbe0 [ 1136.741751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1136.741751][ T10] ___sys_sendmsg+0xee/0x170 [ 1136.741751][ T10] __sys_sendmsg+0xcd/0x170 [ 1136.741751][ T10] do_syscall_64+0xc6/0x1e0 [ 1136.741751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1136.741751][ T10] [ 1136.744217][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1136.744217][ T10] netdev_get_by_index+0x5e/0x80 [ 1136.744217][ T10] fib6_nh_init+0x3d8/0x1580 [ 1136.744217][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1136.744217][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1136.744217][ T10] ipv6_add_addr+0x411/0x2000 [ 1136.744217][ T10] inet6_addr_add+0x30e/0xa40 [ 1136.744217][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1136.744217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1136.744217][ T10] netlink_rcv_skb+0x130/0x360 [ 1136.744217][ T10] netlink_unicast+0x449/0x710 [ 1136.744217][ T10] netlink_sendmsg+0x723/0xbe0 [ 1136.744217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1136.744217][ T10] ___sys_sendmsg+0xee/0x170 [ 1136.744217][ T10] __sys_sendmsg+0xcd/0x170 [ 1136.744217][ T10] do_syscall_64+0xc6/0x1e0 [ 1136.744217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1136.744217][ T10] [ 1136.746720][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1136.746720][ T10] netdev_get_by_index+0x5e/0x80 [ 1136.746720][ T10] fib6_nh_init+0x3d8/0x1580 [ 1136.746720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1136.746720][ T10] ip6_route_add+0x1c/0x140 [ 1136.746720][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1136.746720][ T10] addrconf_add_dev+0xe2/0x170 [ 1136.746720][ T10] inet6_addr_add+0x12f/0xa40 [ 1136.746720][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1136.746720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1136.746720][ T10] netlink_rcv_skb+0x130/0x360 [ 1136.746720][ T10] netlink_unicast+0x449/0x710 [ 1136.746720][ T10] netlink_sendmsg+0x723/0xbe0 [ 1136.746720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1136.746720][ T10] ___sys_sendmsg+0xee/0x170 [ 1136.746720][ T10] __sys_sendmsg+0xcd/0x170 [ 1136.746720][ T10] do_syscall_64+0xc6/0x1e0 [ 1136.746720][ T10] [ 1136.749208][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1136.749208][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1136.749208][ T10] ipv6_find_idev+0x102/0x170 [ 1136.749208][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1136.749208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1136.749208][ T10] netlink_rcv_skb+0x130/0x360 [ 1136.749208][ T10] netlink_unicast+0x449/0x710 [ 1136.749208][ T10] netlink_sendmsg+0x723/0xbe0 [ 1136.749208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1136.749208][ T10] ___sys_sendmsg+0xee/0x170 [ 1136.749208][ T10] __sys_sendmsg+0xcd/0x170 [ 1136.749208][ T10] do_syscall_64+0xc6/0x1e0 [ 1136.749208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1136.749208][ T10] [ 1136.751229][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1136.751229][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1136.751229][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1136.751229][ T10] ipv6_find_idev+0x102/0x170 [ 1136.751229][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1136.751229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1136.751229][ T10] netlink_rcv_skb+0x130/0x360 [ 1136.751229][ T10] netlink_unicast+0x449/0x710 [ 1136.751229][ T10] netlink_sendmsg+0x723/0xbe0 [ 1136.751229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1136.751229][ T10] ___sys_sendmsg+0xee/0x170 [ 1136.751229][ T10] __sys_sendmsg+0xcd/0x170 [ 1136.751229][ T10] do_syscall_64+0xc6/0x1e0 [ 1136.751229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1136.751229][ T10] [ 1136.753347][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1136.753677][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1136.753677][ T10] netdev_get_by_index+0x5e/0x80 [ 1136.753677][ T10] fib6_nh_init+0x3d8/0x1580 [ 1136.753677][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1136.753677][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1136.753677][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1136.753677][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1136.753677][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1136.753677][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1136.753677][ T10] addrconf_dad_begin+0x310/0x670 [ 1136.753677][ T10] addrconf_dad_work+0x10b/0xab0 [ 1136.753677][ T10] process_one_work+0x84d/0x18a0 [ 1136.753677][ T10] worker_thread+0x587/0xd30 [ 1136.753677][ T10] kthread+0x28a/0x350 [ 1136.753677][ T10] ret_from_fork+0x31/0x70 [ 1136.753677][ T10] ret_from_fork_asm+0x1a/0x30 [ 1136.753677][ T10] [ 1136.756025][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1136.756025][ T10] netdev_get_by_index+0x5e/0x80 [ 1136.756025][ T10] fib6_nh_init+0x3d8/0x1580 [ 1136.756025][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1136.756025][ T10] ip6_route_add+0x1c/0x140 [ 1136.756025][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1136.756025][ T10] inet6_addr_add+0x4f8/0xa40 [ 1136.756025][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1136.756025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1136.756025][ T10] netlink_rcv_skb+0x130/0x360 [ 1136.756025][ T10] netlink_unicast+0x449/0x710 [ 1136.756025][ T10] netlink_sendmsg+0x723/0xbe0 [ 1136.756025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1136.756025][ T10] ___sys_sendmsg+0xee/0x170 [ 1136.756025][ T10] __sys_sendmsg+0xcd/0x170 [ 1136.756025][ T10] do_syscall_64+0xc6/0x1e0 [ 1136.756025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1136.756025][ T10] [ 1136.758530][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1136.758530][ T10] netdev_get_by_index+0x5e/0x80 [ 1136.758530][ T10] fib6_nh_init+0x3d8/0x1580 [ 1136.758530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1136.758530][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1136.758530][ T10] ipv6_add_addr+0x411/0x2000 [ 1136.758530][ T10] inet6_addr_add+0x30e/0xa40 [ 1136.758530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1136.758530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1136.758530][ T10] netlink_rcv_skb+0x130/0x360 [ 1136.758530][ T10] netlink_unicast+0x449/0x710 [ 1136.758530][ T10] netlink_sendmsg+0x723/0xbe0 [ 1136.758530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1136.758530][ T10] ___sys_sendmsg+0xee/0x170 [ 1136.758530][ T10] __sys_sendmsg+0xcd/0x170 [ 1136.758530][ T10] do_syscall_64+0xc6/0x1e0 [ 1136.758530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1136.758530][ T10] [ 1136.761076][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1136.761076][ T10] netdev_get_by_index+0x5e/0x80 [ 1136.761076][ T10] fib6_nh_init+0x3d8/0x1580 [ 1136.761076][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1136.761076][ T10] ip6_route_add+0x1c/0x140 [ 1136.761076][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1136.761076][ T10] addrconf_add_dev+0xe2/0x170 [ 1136.761076][ T10] inet6_addr_add+0x12f/0xa40 [ 1136.761076][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1136.761076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1136.761076][ T10] netlink_rcv_skb+0x130/0x360 [ 1136.761076][ T10] netlink_unicast+0x449/0x710 [ 1136.761076][ T10] netlink_sendmsg+0x723/0xbe0 [ 1136.761076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1136.761076][ T10] ___sys_sendmsg+0xee/0x170 [ 1136.761076][ T10] __sys_sendmsg+0xcd/0x170 [ 1136.761076][ T10] do_syscall_64+0xc6/0x1e0 [ 1136.761076][ T10] [ 1136.763551][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1136.763551][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1136.763551][ T10] ipv6_find_idev+0x102/0x170 [ 1136.763551][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1136.763551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1136.763551][ T10] netlink_rcv_skb+0x130/0x360 [ 1136.763551][ T10] netlink_unicast+0x449/0x710 [ 1136.763551][ T10] netlink_sendmsg+0x723/0xbe0 [ 1136.763551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1136.763551][ T10] ___sys_sendmsg+0xee/0x170 [ 1136.763551][ T10] __sys_sendmsg+0xcd/0x170 [ 1136.763551][ T10] do_syscall_64+0xc6/0x1e0 [ 1136.763551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1136.763551][ T10] [ 1136.765487][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1136.765487][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1136.765487][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1136.765487][ T10] ipv6_find_idev+0x102/0x170 [ 1136.765487][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1136.765487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1136.765487][ T10] netlink_rcv_skb+0x130/0x360 [ 1136.765487][ T10] netlink_unicast+0x449/0x710 [ 1136.765487][ T10] netlink_sendmsg+0x723/0xbe0 [ 1136.765487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1136.765487][ T10] ___sys_sendmsg+0xee/0x170 [ 1136.765487][ T10] __sys_sendmsg+0xcd/0x170 [ 1136.765487][ T10] do_syscall_64+0xc6/0x1e0 [ 1136.765487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1136.765487][ T10] [ 1145.281129][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1145.281671][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1145.281671][ T1167] dst_init+0x84/0x4a0 [ 1145.281671][ T1167] dst_alloc+0x97/0x150 [ 1145.281671][ T1167] ip6_dst_alloc+0x23/0x90 [ 1145.281671][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1145.281671][ T1167] ip6_pol_route+0x56f/0x840 [ 1145.281671][ T1167] fib6_rule_lookup+0x334/0x630 [ 1145.281671][ T1167] ip6_route_output_flags+0x259/0x480 [ 1145.281671][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1145.281671][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1145.281671][ T1167] netlink_rcv_skb+0x130/0x360 [ 1145.281671][ T1167] netlink_unicast+0x449/0x710 [ 1145.281671][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1145.281671][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1145.281671][ T1167] ___sys_sendmsg+0xee/0x170 [ 1145.281671][ T1167] __sys_sendmsg+0xcd/0x170 [ 1145.281671][ T1167] do_syscall_64+0xc6/0x1e0 [ 1145.281671][ T1167] [ 1145.283958][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1145.283958][ T1167] netdev_get_by_index+0x5e/0x80 [ 1145.283958][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1145.283958][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1145.283958][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1145.283958][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1145.283958][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1145.283958][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1145.283958][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1145.283958][ T1167] addrconf_dad_begin+0x310/0x670 [ 1145.283958][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1145.283958][ T1167] process_one_work+0x84d/0x18a0 [ 1145.283958][ T1167] worker_thread+0x587/0xd30 [ 1145.283958][ T1167] kthread+0x28a/0x350 [ 1145.283958][ T1167] ret_from_fork+0x31/0x70 [ 1145.283958][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1145.283958][ T1167] [ 1145.286164][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1145.286164][ T1167] netdev_get_by_index+0x5e/0x80 [ 1145.286164][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1145.286164][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1145.286164][ T1167] ip6_route_add+0x1c/0x140 [ 1145.286164][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1145.286164][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1145.286164][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1145.286164][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.286164][ T1167] netlink_rcv_skb+0x130/0x360 [ 1145.286164][ T1167] netlink_unicast+0x449/0x710 [ 1145.286164][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1145.286164][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1145.286164][ T1167] ___sys_sendmsg+0xee/0x170 [ 1145.286164][ T1167] __sys_sendmsg+0xcd/0x170 [ 1145.286164][ T1167] do_syscall_64+0xc6/0x1e0 [ 1145.286164][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.286164][ T1167] [ 1145.288480][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1145.288480][ T1167] netdev_get_by_index+0x5e/0x80 [ 1145.288480][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1145.288480][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1145.288480][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1145.288480][ T1167] ipv6_add_addr+0x411/0x2000 [ 1145.288480][ T1167] inet6_addr_add+0x30e/0xa40 [ 1145.288480][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1145.288480][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.288480][ T1167] netlink_rcv_skb+0x130/0x360 [ 1145.288480][ T1167] netlink_unicast+0x449/0x710 [ 1145.288480][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1145.288480][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1145.288480][ T1167] ___sys_sendmsg+0xee/0x170 [ 1145.288480][ T1167] __sys_sendmsg+0xcd/0x170 [ 1145.288480][ T1167] do_syscall_64+0xc6/0x1e0 [ 1145.288480][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.288480][ T1167] [ 1145.290775][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1145.290775][ T1167] netdev_get_by_index+0x5e/0x80 [ 1145.290775][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1145.290775][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1145.290775][ T1167] ip6_route_add+0x1c/0x140 [ 1145.290775][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1145.290775][ T1167] addrconf_add_dev+0xe2/0x170 [ 1145.290775][ T1167] inet6_addr_add+0x12f/0xa40 [ 1145.290775][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1145.290775][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.290775][ T1167] netlink_rcv_skb+0x130/0x360 [ 1145.290775][ T1167] netlink_unicast+0x449/0x710 [ 1145.290775][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1145.290775][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1145.290775][ T1167] ___sys_sendmsg+0xee/0x170 [ 1145.290775][ T1167] __sys_sendmsg+0xcd/0x170 [ 1145.290775][ T1167] do_syscall_64+0xc6/0x1e0 [ 1145.290775][ T1167] [ 1145.293034][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1145.293034][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1145.293034][ T1167] ipv6_find_idev+0x102/0x170 [ 1145.293034][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1145.293034][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.293034][ T1167] netlink_rcv_skb+0x130/0x360 [ 1145.293034][ T1167] netlink_unicast+0x449/0x710 [ 1145.293034][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1145.293034][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1145.293034][ T1167] ___sys_sendmsg+0xee/0x170 [ 1145.293034][ T1167] __sys_sendmsg+0xcd/0x170 [ 1145.293034][ T1167] do_syscall_64+0xc6/0x1e0 [ 1145.293034][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.293034][ T1167] [ 1145.294806][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1145.294806][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1145.294806][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1145.294806][ T1167] ipv6_find_idev+0x102/0x170 [ 1145.294806][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1145.294806][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.294806][ T1167] netlink_rcv_skb+0x130/0x360 [ 1145.294806][ T1167] netlink_unicast+0x449/0x710 [ 1145.294806][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1145.294806][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1145.294806][ T1167] ___sys_sendmsg+0xee/0x170 [ 1145.294806][ T1167] __sys_sendmsg+0xcd/0x170 [ 1145.294806][ T1167] do_syscall_64+0xc6/0x1e0 [ 1145.294806][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.294806][ T1167] [ 1146.817182][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1146.817635][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1146.817635][ T10] netdev_get_by_index+0x5e/0x80 [ 1146.817635][ T10] fib6_nh_init+0x3d8/0x1580 [ 1146.817635][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1146.817635][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1146.817635][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1146.817635][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1146.817635][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1146.817635][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1146.817635][ T10] addrconf_dad_begin+0x310/0x670 [ 1146.817635][ T10] addrconf_dad_work+0x10b/0xab0 [ 1146.817635][ T10] process_one_work+0x84d/0x18a0 [ 1146.817635][ T10] worker_thread+0x587/0xd30 [ 1146.817635][ T10] kthread+0x28a/0x350 [ 1146.817635][ T10] ret_from_fork+0x31/0x70 [ 1146.817635][ T10] ret_from_fork_asm+0x1a/0x30 [ 1146.817635][ T10] [ 1146.819831][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1146.819831][ T10] netdev_get_by_index+0x5e/0x80 [ 1146.819831][ T10] fib6_nh_init+0x3d8/0x1580 [ 1146.819831][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1146.819831][ T10] ip6_route_add+0x1c/0x140 [ 1146.819831][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1146.819831][ T10] inet6_addr_add+0x4f8/0xa40 [ 1146.819831][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1146.819831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1146.819831][ T10] netlink_rcv_skb+0x130/0x360 [ 1146.819831][ T10] netlink_unicast+0x449/0x710 [ 1146.819831][ T10] netlink_sendmsg+0x723/0xbe0 [ 1146.819831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1146.819831][ T10] ___sys_sendmsg+0xee/0x170 [ 1146.819831][ T10] __sys_sendmsg+0xcd/0x170 [ 1146.819831][ T10] do_syscall_64+0xc6/0x1e0 [ 1146.819831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1146.819831][ T10] [ 1146.822116][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1146.822116][ T10] netdev_get_by_index+0x5e/0x80 [ 1146.822116][ T10] fib6_nh_init+0x3d8/0x1580 [ 1146.822116][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1146.822116][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1146.822116][ T10] ipv6_add_addr+0x411/0x2000 [ 1146.822116][ T10] inet6_addr_add+0x30e/0xa40 [ 1146.822116][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1146.822116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1146.822116][ T10] netlink_rcv_skb+0x130/0x360 [ 1146.822116][ T10] netlink_unicast+0x449/0x710 [ 1146.822116][ T10] netlink_sendmsg+0x723/0xbe0 [ 1146.822116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1146.822116][ T10] ___sys_sendmsg+0xee/0x170 [ 1146.822116][ T10] __sys_sendmsg+0xcd/0x170 [ 1146.822116][ T10] do_syscall_64+0xc6/0x1e0 [ 1146.822116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1146.822116][ T10] [ 1146.824394][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1146.824394][ T10] netdev_get_by_index+0x5e/0x80 [ 1146.824394][ T10] fib6_nh_init+0x3d8/0x1580 [ 1146.824394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1146.824394][ T10] ip6_route_add+0x1c/0x140 [ 1146.824394][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1146.824394][ T10] addrconf_add_dev+0xe2/0x170 [ 1146.824394][ T10] inet6_addr_add+0x12f/0xa40 [ 1146.824394][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1146.824394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1146.824394][ T10] netlink_rcv_skb+0x130/0x360 [ 1146.824394][ T10] netlink_unicast+0x449/0x710 [ 1146.824394][ T10] netlink_sendmsg+0x723/0xbe0 [ 1146.824394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1146.824394][ T10] ___sys_sendmsg+0xee/0x170 [ 1146.824394][ T10] __sys_sendmsg+0xcd/0x170 [ 1146.824394][ T10] do_syscall_64+0xc6/0x1e0 [ 1146.824394][ T10] [ 1146.826640][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1146.826640][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1146.826640][ T10] ipv6_find_idev+0x102/0x170 [ 1146.826640][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1146.826640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1146.826640][ T10] netlink_rcv_skb+0x130/0x360 [ 1146.826640][ T10] netlink_unicast+0x449/0x710 [ 1146.826640][ T10] netlink_sendmsg+0x723/0xbe0 [ 1146.826640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1146.826640][ T10] ___sys_sendmsg+0xee/0x170 [ 1146.826640][ T10] __sys_sendmsg+0xcd/0x170 [ 1146.826640][ T10] do_syscall_64+0xc6/0x1e0 [ 1146.826640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1146.826640][ T10] [ 1146.828404][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1146.828404][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1146.828404][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1146.828404][ T10] ipv6_find_idev+0x102/0x170 [ 1146.828404][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1146.828404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1146.828404][ T10] netlink_rcv_skb+0x130/0x360 [ 1146.828404][ T10] netlink_unicast+0x449/0x710 [ 1146.828404][ T10] netlink_sendmsg+0x723/0xbe0 [ 1146.828404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1146.828404][ T10] ___sys_sendmsg+0xee/0x170 [ 1146.828404][ T10] __sys_sendmsg+0xcd/0x170 [ 1146.828404][ T10] do_syscall_64+0xc6/0x1e0 [ 1146.828404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1146.828404][ T10] [ 1146.830367][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1146.830642][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1146.830642][ T10] netdev_get_by_index+0x5e/0x80 [ 1146.830642][ T10] fib6_nh_init+0x3d8/0x1580 [ 1146.830642][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1146.830642][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1146.830642][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1146.830642][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1146.830642][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1146.830642][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1146.830642][ T10] addrconf_dad_begin+0x310/0x670 [ 1146.830642][ T10] addrconf_dad_work+0x10b/0xab0 [ 1146.830642][ T10] process_one_work+0x84d/0x18a0 [ 1146.830642][ T10] worker_thread+0x587/0xd30 [ 1146.830642][ T10] kthread+0x28a/0x350 [ 1146.830642][ T10] ret_from_fork+0x31/0x70 [ 1146.830642][ T10] ret_from_fork_asm+0x1a/0x30 [ 1146.830642][ T10] [ 1146.832842][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1146.832842][ T10] netdev_get_by_index+0x5e/0x80 [ 1146.832842][ T10] fib6_nh_init+0x3d8/0x1580 [ 1146.832842][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1146.832842][ T10] ip6_route_add+0x1c/0x140 [ 1146.832842][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1146.832842][ T10] inet6_addr_add+0x4f8/0xa40 [ 1146.832842][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1146.832842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1146.832842][ T10] netlink_rcv_skb+0x130/0x360 [ 1146.832842][ T10] netlink_unicast+0x449/0x710 [ 1146.832842][ T10] netlink_sendmsg+0x723/0xbe0 [ 1146.832842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1146.832842][ T10] ___sys_sendmsg+0xee/0x170 [ 1146.832842][ T10] __sys_sendmsg+0xcd/0x170 [ 1146.832842][ T10] do_syscall_64+0xc6/0x1e0 [ 1146.832842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1146.832842][ T10] [ 1146.835316][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1146.835316][ T10] netdev_get_by_index+0x5e/0x80 [ 1146.835316][ T10] fib6_nh_init+0x3d8/0x1580 [ 1146.835316][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1146.835316][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1146.835316][ T10] ipv6_add_addr+0x411/0x2000 [ 1146.835316][ T10] inet6_addr_add+0x30e/0xa40 [ 1146.835316][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1146.835316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1146.835316][ T10] netlink_rcv_skb+0x130/0x360 [ 1146.835316][ T10] netlink_unicast+0x449/0x710 [ 1146.835316][ T10] netlink_sendmsg+0x723/0xbe0 [ 1146.835316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1146.835316][ T10] ___sys_sendmsg+0xee/0x170 [ 1146.835316][ T10] __sys_sendmsg+0xcd/0x170 [ 1146.835316][ T10] do_syscall_64+0xc6/0x1e0 [ 1146.835316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1146.835316][ T10] [ 1146.837723][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1146.837723][ T10] netdev_get_by_index+0x5e/0x80 [ 1146.837723][ T10] fib6_nh_init+0x3d8/0x1580 [ 1146.837723][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1146.837723][ T10] ip6_route_add+0x1c/0x140 [ 1146.837723][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1146.837723][ T10] addrconf_add_dev+0xe2/0x170 [ 1146.837723][ T10] inet6_addr_add+0x12f/0xa40 [ 1146.837723][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1146.837723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1146.837723][ T10] netlink_rcv_skb+0x130/0x360 [ 1146.837723][ T10] netlink_unicast+0x449/0x710 [ 1146.837723][ T10] netlink_sendmsg+0x723/0xbe0 [ 1146.837723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1146.837723][ T10] ___sys_sendmsg+0xee/0x170 [ 1146.837723][ T10] __sys_sendmsg+0xcd/0x170 [ 1146.837723][ T10] do_syscall_64+0xc6/0x1e0 [ 1146.837723][ T10] [ 1146.840149][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1146.840149][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1146.840149][ T10] ipv6_find_idev+0x102/0x170 [ 1146.840149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1146.840149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1146.840149][ T10] netlink_rcv_skb+0x130/0x360 [ 1146.840149][ T10] netlink_unicast+0x449/0x710 [ 1146.840149][ T10] netlink_sendmsg+0x723/0xbe0 [ 1146.840149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1146.840149][ T10] ___sys_sendmsg+0xee/0x170 [ 1146.840149][ T10] __sys_sendmsg+0xcd/0x170 [ 1146.840149][ T10] do_syscall_64+0xc6/0x1e0 [ 1146.840149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1146.840149][ T10] [ 1146.842037][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1146.842037][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1146.842037][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1146.842037][ T10] ipv6_find_idev+0x102/0x170 [ 1146.842037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1146.842037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1146.842037][ T10] netlink_rcv_skb+0x130/0x360 [ 1146.842037][ T10] netlink_unicast+0x449/0x710 [ 1146.842037][ T10] netlink_sendmsg+0x723/0xbe0 [ 1146.842037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1146.842037][ T10] ___sys_sendmsg+0xee/0x170 [ 1146.842037][ T10] __sys_sendmsg+0xcd/0x170 [ 1146.842037][ T10] do_syscall_64+0xc6/0x1e0 [ 1146.842037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1146.842037][ T10] [ 1146.844163][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1146.844458][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1146.844458][ T10] netdev_get_by_index+0x5e/0x80 [ 1146.844458][ T10] fib6_nh_init+0x3d8/0x1580 [ 1146.844458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1146.844458][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1146.844458][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1146.844458][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1146.844458][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1146.844458][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1146.844458][ T10] addrconf_dad_begin+0x310/0x670 [ 1146.844458][ T10] addrconf_dad_work+0x10b/0xab0 [ 1146.844458][ T10] process_one_work+0x84d/0x18a0 [ 1146.844458][ T10] worker_thread+0x587/0xd30 [ 1146.844458][ T10] kthread+0x28a/0x350 [ 1146.844458][ T10] ret_from_fork+0x31/0x70 [ 1146.844458][ T10] ret_from_fork_asm+0x1a/0x30 [ 1146.844458][ T10] [ 1146.846817][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1146.846817][ T10] netdev_get_by_index+0x5e/0x80 [ 1146.846817][ T10] fib6_nh_init+0x3d8/0x1580 [ 1146.846817][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1146.846817][ T10] ip6_route_add+0x1c/0x140 [ 1146.846817][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1146.846817][ T10] inet6_addr_add+0x4f8/0xa40 [ 1146.846817][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1146.846817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1146.846817][ T10] netlink_rcv_skb+0x130/0x360 [ 1146.846817][ T10] netlink_unicast+0x449/0x710 [ 1146.846817][ T10] netlink_sendmsg+0x723/0xbe0 [ 1146.846817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1146.846817][ T10] ___sys_sendmsg+0xee/0x170 [ 1146.846817][ T10] __sys_sendmsg+0xcd/0x170 [ 1146.846817][ T10] do_syscall_64+0xc6/0x1e0 [ 1146.846817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1146.846817][ T10] [ 1146.849465][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1146.849465][ T10] netdev_get_by_index+0x5e/0x80 [ 1146.849465][ T10] fib6_nh_init+0x3d8/0x1580 [ 1146.849465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1146.849465][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1146.849465][ T10] ipv6_add_addr+0x411/0x2000 [ 1146.849465][ T10] inet6_addr_add+0x30e/0xa40 [ 1146.849465][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1146.849465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1146.849465][ T10] netlink_rcv_skb+0x130/0x360 [ 1146.849465][ T10] netlink_unicast+0x449/0x710 [ 1146.849465][ T10] netlink_sendmsg+0x723/0xbe0 [ 1146.849465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1146.849465][ T10] ___sys_sendmsg+0xee/0x170 [ 1146.849465][ T10] __sys_sendmsg+0xcd/0x170 [ 1146.849465][ T10] do_syscall_64+0xc6/0x1e0 [ 1146.849465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1146.849465][ T10] [ 1146.852140][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1146.852140][ T10] netdev_get_by_index+0x5e/0x80 [ 1146.852140][ T10] fib6_nh_init+0x3d8/0x1580 [ 1146.852140][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1146.852140][ T10] ip6_route_add+0x1c/0x140 [ 1146.852140][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1146.852140][ T10] addrconf_add_dev+0xe2/0x170 [ 1146.852140][ T10] inet6_addr_add+0x12f/0xa40 [ 1146.852140][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1146.852140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1146.852140][ T10] netlink_rcv_skb+0x130/0x360 [ 1146.852140][ T10] netlink_unicast+0x449/0x710 [ 1146.852140][ T10] netlink_sendmsg+0x723/0xbe0 [ 1146.852140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1146.852140][ T10] ___sys_sendmsg+0xee/0x170 [ 1146.852140][ T10] __sys_sendmsg+0xcd/0x170 [ 1146.852140][ T10] do_syscall_64+0xc6/0x1e0 [ 1146.852140][ T10] [ 1146.854800][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1146.854800][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1146.854800][ T10] ipv6_find_idev+0x102/0x170 [ 1146.854800][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1146.854800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1146.854800][ T10] netlink_rcv_skb+0x130/0x360 [ 1146.854800][ T10] netlink_unicast+0x449/0x710 [ 1146.854800][ T10] netlink_sendmsg+0x723/0xbe0 [ 1146.854800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1146.854800][ T10] ___sys_sendmsg+0xee/0x170 [ 1146.854800][ T10] __sys_sendmsg+0xcd/0x170 [ 1146.854800][ T10] do_syscall_64+0xc6/0x1e0 [ 1146.854800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1146.854800][ T10] [ 1146.856880][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1146.856880][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1146.856880][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1146.856880][ T10] ipv6_find_idev+0x102/0x170 [ 1146.856880][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1146.856880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1146.856880][ T10] netlink_rcv_skb+0x130/0x360 [ 1146.856880][ T10] netlink_unicast+0x449/0x710 [ 1146.856880][ T10] netlink_sendmsg+0x723/0xbe0 [ 1146.856880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1146.856880][ T10] ___sys_sendmsg+0xee/0x170 [ 1146.856880][ T10] __sys_sendmsg+0xcd/0x170 [ 1146.856880][ T10] do_syscall_64+0xc6/0x1e0 [ 1146.856880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1146.856880][ T10] [ 1146.859151][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1146.859507][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1146.859507][ T10] netdev_get_by_index+0x5e/0x80 [ 1146.859507][ T10] fib6_nh_init+0x3d8/0x1580 [ 1146.859507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1146.859507][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1146.859507][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1146.859507][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1146.859507][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1146.859507][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1146.859507][ T10] addrconf_dad_begin+0x310/0x670 [ 1146.859507][ T10] addrconf_dad_work+0x10b/0xab0 [ 1146.859507][ T10] process_one_work+0x84d/0x18a0 [ 1146.859507][ T10] worker_thread+0x587/0xd30 [ 1146.859507][ T10] kthread+0x28a/0x350 [ 1146.859507][ T10] ret_from_fork+0x31/0x70 [ 1146.859507][ T10] ret_from_fork_asm+0x1a/0x30 [ 1146.859507][ T10] [ 1146.862036][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1146.862036][ T10] netdev_get_by_index+0x5e/0x80 [ 1146.862036][ T10] fib6_nh_init+0x3d8/0x1580 [ 1146.862036][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1146.862036][ T10] ip6_route_add+0x1c/0x140 [ 1146.862036][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1146.862036][ T10] inet6_addr_add+0x4f8/0xa40 [ 1146.862036][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1146.862036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1146.862036][ T10] netlink_rcv_skb+0x130/0x360 [ 1146.862036][ T10] netlink_unicast+0x449/0x710 [ 1146.862036][ T10] netlink_sendmsg+0x723/0xbe0 [ 1146.862036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1146.862036][ T10] ___sys_sendmsg+0xee/0x170 [ 1146.862036][ T10] __sys_sendmsg+0xcd/0x170 [ 1146.862036][ T10] do_syscall_64+0xc6/0x1e0 [ 1146.862036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1146.862036][ T10] [ 1146.864810][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1146.864810][ T10] netdev_get_by_index+0x5e/0x80 [ 1146.864810][ T10] fib6_nh_init+0x3d8/0x1580 [ 1146.864810][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1146.864810][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1146.864810][ T10] ipv6_add_addr+0x411/0x2000 [ 1146.864810][ T10] inet6_addr_add+0x30e/0xa40 [ 1146.864810][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1146.864810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1146.864810][ T10] netlink_rcv_skb+0x130/0x360 [ 1146.864810][ T10] netlink_unicast+0x449/0x710 [ 1146.864810][ T10] netlink_sendmsg+0x723/0xbe0 [ 1146.864810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1146.864810][ T10] ___sys_sendmsg+0xee/0x170 [ 1146.864810][ T10] __sys_sendmsg+0xcd/0x170 [ 1146.864810][ T10] do_syscall_64+0xc6/0x1e0 [ 1146.864810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1146.864810][ T10] [ 1146.867514][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1146.867514][ T10] netdev_get_by_index+0x5e/0x80 [ 1146.867514][ T10] fib6_nh_init+0x3d8/0x1580 [ 1146.867514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1146.867514][ T10] ip6_route_add+0x1c/0x140 [ 1146.867514][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1146.867514][ T10] addrconf_add_dev+0xe2/0x170 [ 1146.867514][ T10] inet6_addr_add+0x12f/0xa40 [ 1146.867514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1146.867514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1146.867514][ T10] netlink_rcv_skb+0x130/0x360 [ 1146.867514][ T10] netlink_unicast+0x449/0x710 [ 1146.867514][ T10] netlink_sendmsg+0x723/0xbe0 [ 1146.867514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1146.867514][ T10] ___sys_sendmsg+0xee/0x170 [ 1146.867514][ T10] __sys_sendmsg+0xcd/0x170 [ 1146.867514][ T10] do_syscall_64+0xc6/0x1e0 [ 1146.867514][ T10] [ 1146.870141][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1146.870141][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1146.870141][ T10] ipv6_find_idev+0x102/0x170 [ 1146.870141][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1146.870141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1146.870141][ T10] netlink_rcv_skb+0x130/0x360 [ 1146.870141][ T10] netlink_unicast+0x449/0x710 [ 1146.870141][ T10] netlink_sendmsg+0x723/0xbe0 [ 1146.870141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1146.870141][ T10] ___sys_sendmsg+0xee/0x170 [ 1146.870141][ T10] __sys_sendmsg+0xcd/0x170 [ 1146.870141][ T10] do_syscall_64+0xc6/0x1e0 [ 1146.870141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1146.870141][ T10] [ 1146.872192][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1146.872192][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1146.872192][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1146.872192][ T10] ipv6_find_idev+0x102/0x170 [ 1146.872192][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1146.872192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1146.872192][ T10] netlink_rcv_skb+0x130/0x360 [ 1146.872192][ T10] netlink_unicast+0x449/0x710 [ 1146.872192][ T10] netlink_sendmsg+0x723/0xbe0 [ 1146.872192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1146.872192][ T10] ___sys_sendmsg+0xee/0x170 [ 1146.872192][ T10] __sys_sendmsg+0xcd/0x170 [ 1146.872192][ T10] do_syscall_64+0xc6/0x1e0 [ 1146.872192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1146.872192][ T10] [ 1155.537100][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1155.537645][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1155.537645][ T1167] dst_init+0x84/0x4a0 [ 1155.537645][ T1167] dst_alloc+0x97/0x150 [ 1155.537645][ T1167] ip6_dst_alloc+0x23/0x90 [ 1155.537645][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1155.537645][ T1167] ip6_pol_route+0x56f/0x840 [ 1155.537645][ T1167] fib6_rule_lookup+0x334/0x630 [ 1155.537645][ T1167] ip6_route_output_flags+0x259/0x480 [ 1155.537645][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1155.537645][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1155.537645][ T1167] netlink_rcv_skb+0x130/0x360 [ 1155.537645][ T1167] netlink_unicast+0x449/0x710 [ 1155.537645][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1155.537645][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1155.537645][ T1167] ___sys_sendmsg+0xee/0x170 [ 1155.537645][ T1167] __sys_sendmsg+0xcd/0x170 [ 1155.537645][ T1167] do_syscall_64+0xc6/0x1e0 [ 1155.537645][ T1167] [ 1155.540086][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1155.540086][ T1167] netdev_get_by_index+0x5e/0x80 [ 1155.540086][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1155.540086][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1155.540086][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1155.540086][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1155.540086][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1155.540086][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1155.540086][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1155.540086][ T1167] addrconf_dad_begin+0x310/0x670 [ 1155.540086][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1155.540086][ T1167] process_one_work+0x84d/0x18a0 [ 1155.540086][ T1167] worker_thread+0x587/0xd30 [ 1155.540086][ T1167] kthread+0x28a/0x350 [ 1155.540086][ T1167] ret_from_fork+0x31/0x70 [ 1155.540086][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1155.540086][ T1167] [ 1155.542446][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1155.542446][ T1167] netdev_get_by_index+0x5e/0x80 [ 1155.542446][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1155.542446][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1155.542446][ T1167] ip6_route_add+0x1c/0x140 [ 1155.542446][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1155.542446][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1155.542446][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1155.542446][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.542446][ T1167] netlink_rcv_skb+0x130/0x360 [ 1155.542446][ T1167] netlink_unicast+0x449/0x710 [ 1155.542446][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1155.542446][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1155.542446][ T1167] ___sys_sendmsg+0xee/0x170 [ 1155.542446][ T1167] __sys_sendmsg+0xcd/0x170 [ 1155.542446][ T1167] do_syscall_64+0xc6/0x1e0 [ 1155.542446][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.542446][ T1167] [ 1155.544925][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1155.544925][ T1167] netdev_get_by_index+0x5e/0x80 [ 1155.544925][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1155.544925][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1155.544925][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1155.544925][ T1167] ipv6_add_addr+0x411/0x2000 [ 1155.544925][ T1167] inet6_addr_add+0x30e/0xa40 [ 1155.544925][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1155.544925][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.544925][ T1167] netlink_rcv_skb+0x130/0x360 [ 1155.544925][ T1167] netlink_unicast+0x449/0x710 [ 1155.544925][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1155.544925][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1155.544925][ T1167] ___sys_sendmsg+0xee/0x170 [ 1155.544925][ T1167] __sys_sendmsg+0xcd/0x170 [ 1155.544925][ T1167] do_syscall_64+0xc6/0x1e0 [ 1155.544925][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.544925][ T1167] [ 1155.547466][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1155.547466][ T1167] netdev_get_by_index+0x5e/0x80 [ 1155.547466][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1155.547466][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1155.547466][ T1167] ip6_route_add+0x1c/0x140 [ 1155.547466][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1155.547466][ T1167] addrconf_add_dev+0xe2/0x170 [ 1155.547466][ T1167] inet6_addr_add+0x12f/0xa40 [ 1155.547466][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1155.547466][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.547466][ T1167] netlink_rcv_skb+0x130/0x360 [ 1155.547466][ T1167] netlink_unicast+0x449/0x710 [ 1155.547466][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1155.547466][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1155.547466][ T1167] ___sys_sendmsg+0xee/0x170 [ 1155.547466][ T1167] __sys_sendmsg+0xcd/0x170 [ 1155.547466][ T1167] do_syscall_64+0xc6/0x1e0 [ 1155.547466][ T1167] [ 1155.550034][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1155.550034][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1155.550034][ T1167] ipv6_find_idev+0x102/0x170 [ 1155.550034][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1155.550034][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.550034][ T1167] netlink_rcv_skb+0x130/0x360 [ 1155.550034][ T1167] netlink_unicast+0x449/0x710 [ 1155.550034][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1155.550034][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1155.550034][ T1167] ___sys_sendmsg+0xee/0x170 [ 1155.550034][ T1167] __sys_sendmsg+0xcd/0x170 [ 1155.550034][ T1167] do_syscall_64+0xc6/0x1e0 [ 1155.550034][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.550034][ T1167] [ 1155.552017][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1155.552017][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1155.552017][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1155.552017][ T1167] ipv6_find_idev+0x102/0x170 [ 1155.552017][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1155.552017][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.552017][ T1167] netlink_rcv_skb+0x130/0x360 [ 1155.552017][ T1167] netlink_unicast+0x449/0x710 [ 1155.552017][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1155.552017][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1155.552017][ T1167] ___sys_sendmsg+0xee/0x170 [ 1155.552017][ T1167] __sys_sendmsg+0xcd/0x170 [ 1155.552017][ T1167] do_syscall_64+0xc6/0x1e0 [ 1155.552017][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.552017][ T1167] [ 1157.113108][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1157.113535][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1157.113535][ T10] netdev_get_by_index+0x5e/0x80 [ 1157.113535][ T10] fib6_nh_init+0x3d8/0x1580 [ 1157.113535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1157.113535][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1157.113535][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1157.113535][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1157.113535][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1157.113535][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1157.113535][ T10] addrconf_dad_begin+0x310/0x670 [ 1157.113535][ T10] addrconf_dad_work+0x10b/0xab0 [ 1157.113535][ T10] process_one_work+0x84d/0x18a0 [ 1157.113535][ T10] worker_thread+0x587/0xd30 [ 1157.113535][ T10] kthread+0x28a/0x350 [ 1157.113535][ T10] ret_from_fork+0x31/0x70 [ 1157.113535][ T10] ret_from_fork_asm+0x1a/0x30 [ 1157.113535][ T10] [ 1157.115631][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1157.115631][ T10] netdev_get_by_index+0x5e/0x80 [ 1157.115631][ T10] fib6_nh_init+0x3d8/0x1580 [ 1157.115631][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1157.115631][ T10] ip6_route_add+0x1c/0x140 [ 1157.115631][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1157.115631][ T10] inet6_addr_add+0x4f8/0xa40 [ 1157.115631][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1157.115631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.115631][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.115631][ T10] netlink_unicast+0x449/0x710 [ 1157.115631][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.115631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.115631][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.115631][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.115631][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.115631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.115631][ T10] [ 1157.117845][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1157.117845][ T10] netdev_get_by_index+0x5e/0x80 [ 1157.117845][ T10] fib6_nh_init+0x3d8/0x1580 [ 1157.117845][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1157.117845][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1157.117845][ T10] ipv6_add_addr+0x411/0x2000 [ 1157.117845][ T10] inet6_addr_add+0x30e/0xa40 [ 1157.117845][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1157.117845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.117845][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.117845][ T10] netlink_unicast+0x449/0x710 [ 1157.117845][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.117845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.117845][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.117845][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.117845][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.117845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.117845][ T10] [ 1157.120050][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1157.120050][ T10] netdev_get_by_index+0x5e/0x80 [ 1157.120050][ T10] fib6_nh_init+0x3d8/0x1580 [ 1157.120050][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1157.120050][ T10] ip6_route_add+0x1c/0x140 [ 1157.120050][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1157.120050][ T10] addrconf_add_dev+0xe2/0x170 [ 1157.120050][ T10] inet6_addr_add+0x12f/0xa40 [ 1157.120050][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1157.120050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.120050][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.120050][ T10] netlink_unicast+0x449/0x710 [ 1157.120050][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.120050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.120050][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.120050][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.120050][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.120050][ T10] [ 1157.122216][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1157.122216][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1157.122216][ T10] ipv6_find_idev+0x102/0x170 [ 1157.122216][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1157.122216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.122216][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.122216][ T10] netlink_unicast+0x449/0x710 [ 1157.122216][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.122216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.122216][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.122216][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.122216][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.122216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.122216][ T10] [ 1157.123940][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1157.123940][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1157.123940][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1157.123940][ T10] ipv6_find_idev+0x102/0x170 [ 1157.123940][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1157.123940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.123940][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.123940][ T10] netlink_unicast+0x449/0x710 [ 1157.123940][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.123940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.123940][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.123940][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.123940][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.123940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.123940][ T10] [ 1157.125822][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1157.126103][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1157.126103][ T10] netdev_get_by_index+0x5e/0x80 [ 1157.126103][ T10] fib6_nh_init+0x3d8/0x1580 [ 1157.126103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1157.126103][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1157.126103][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1157.126103][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1157.126103][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1157.126103][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1157.126103][ T10] addrconf_dad_begin+0x310/0x670 [ 1157.126103][ T10] addrconf_dad_work+0x10b/0xab0 [ 1157.126103][ T10] process_one_work+0x84d/0x18a0 [ 1157.126103][ T10] worker_thread+0x587/0xd30 [ 1157.126103][ T10] kthread+0x28a/0x350 [ 1157.126103][ T10] ret_from_fork+0x31/0x70 [ 1157.126103][ T10] ret_from_fork_asm+0x1a/0x30 [ 1157.126103][ T10] [ 1157.128097][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1157.128097][ T10] netdev_get_by_index+0x5e/0x80 [ 1157.128097][ T10] fib6_nh_init+0x3d8/0x1580 [ 1157.128097][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1157.128097][ T10] ip6_route_add+0x1c/0x140 [ 1157.128097][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1157.128097][ T10] inet6_addr_add+0x4f8/0xa40 [ 1157.128097][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1157.128097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.128097][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.128097][ T10] netlink_unicast+0x449/0x710 [ 1157.128097][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.128097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.128097][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.128097][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.128097][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.128097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.128097][ T10] [ 1157.130121][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1157.130121][ T10] netdev_get_by_index+0x5e/0x80 [ 1157.130121][ T10] fib6_nh_init+0x3d8/0x1580 [ 1157.130121][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1157.130121][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1157.130121][ T10] ipv6_add_addr+0x411/0x2000 [ 1157.130121][ T10] inet6_addr_add+0x30e/0xa40 [ 1157.130121][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1157.130121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.130121][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.130121][ T10] netlink_unicast+0x449/0x710 [ 1157.130121][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.130121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.130121][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.130121][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.130121][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.130121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.130121][ T10] [ 1157.132231][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1157.132231][ T10] netdev_get_by_index+0x5e/0x80 [ 1157.132231][ T10] fib6_nh_init+0x3d8/0x1580 [ 1157.132231][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1157.132231][ T10] ip6_route_add+0x1c/0x140 [ 1157.132231][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1157.132231][ T10] addrconf_add_dev+0xe2/0x170 [ 1157.132231][ T10] inet6_addr_add+0x12f/0xa40 [ 1157.132231][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1157.132231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.132231][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.132231][ T10] netlink_unicast+0x449/0x710 [ 1157.132231][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.132231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.132231][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.132231][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.132231][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.132231][ T10] [ 1157.134229][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1157.134229][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1157.134229][ T10] ipv6_find_idev+0x102/0x170 [ 1157.134229][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1157.134229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.134229][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.134229][ T10] netlink_unicast+0x449/0x710 [ 1157.134229][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.134229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.134229][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.134229][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.134229][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.134229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.134229][ T10] [ 1157.135789][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1157.135789][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1157.135789][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1157.135789][ T10] ipv6_find_idev+0x102/0x170 [ 1157.135789][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1157.135789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.135789][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.135789][ T10] netlink_unicast+0x449/0x710 [ 1157.135789][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.135789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.135789][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.135789][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.135789][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.135789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.135789][ T10] [ 1157.137504][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1157.137746][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1157.137746][ T10] netdev_get_by_index+0x5e/0x80 [ 1157.137746][ T10] fib6_nh_init+0x3d8/0x1580 [ 1157.137746][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1157.137746][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1157.137746][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1157.137746][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1157.137746][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1157.137746][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1157.137746][ T10] addrconf_dad_begin+0x310/0x670 [ 1157.137746][ T10] addrconf_dad_work+0x10b/0xab0 [ 1157.137746][ T10] process_one_work+0x84d/0x18a0 [ 1157.137746][ T10] worker_thread+0x587/0xd30 [ 1157.137746][ T10] kthread+0x28a/0x350 [ 1157.137746][ T10] ret_from_fork+0x31/0x70 [ 1157.137746][ T10] ret_from_fork_asm+0x1a/0x30 [ 1157.137746][ T10] [ 1157.139754][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1157.139754][ T10] netdev_get_by_index+0x5e/0x80 [ 1157.139754][ T10] fib6_nh_init+0x3d8/0x1580 [ 1157.139754][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1157.139754][ T10] ip6_route_add+0x1c/0x140 [ 1157.139754][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1157.139754][ T10] inet6_addr_add+0x4f8/0xa40 [ 1157.139754][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1157.139754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.139754][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.139754][ T10] netlink_unicast+0x449/0x710 [ 1157.139754][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.139754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.139754][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.139754][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.139754][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.139754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.139754][ T10] [ 1157.142013][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1157.142013][ T10] netdev_get_by_index+0x5e/0x80 [ 1157.142013][ T10] fib6_nh_init+0x3d8/0x1580 [ 1157.142013][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1157.142013][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1157.142013][ T10] ipv6_add_addr+0x411/0x2000 [ 1157.142013][ T10] inet6_addr_add+0x30e/0xa40 [ 1157.142013][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1157.142013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.142013][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.142013][ T10] netlink_unicast+0x449/0x710 [ 1157.142013][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.142013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.142013][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.142013][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.142013][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.142013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.142013][ T10] [ 1157.144525][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1157.144525][ T10] netdev_get_by_index+0x5e/0x80 [ 1157.144525][ T10] fib6_nh_init+0x3d8/0x1580 [ 1157.144525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1157.144525][ T10] ip6_route_add+0x1c/0x140 [ 1157.144525][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1157.144525][ T10] addrconf_add_dev+0xe2/0x170 [ 1157.144525][ T10] inet6_addr_add+0x12f/0xa40 [ 1157.144525][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1157.144525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.144525][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.144525][ T10] netlink_unicast+0x449/0x710 [ 1157.144525][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.144525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.144525][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.144525][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.144525][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.144525][ T10] [ 1157.146806][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1157.146806][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1157.146806][ T10] ipv6_find_idev+0x102/0x170 [ 1157.146806][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1157.146806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.146806][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.146806][ T10] netlink_unicast+0x449/0x710 [ 1157.146806][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.146806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.146806][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.146806][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.146806][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.146806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.146806][ T10] [ 1157.148606][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1157.148606][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1157.148606][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1157.148606][ T10] ipv6_find_idev+0x102/0x170 [ 1157.148606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1157.148606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.148606][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.148606][ T10] netlink_unicast+0x449/0x710 [ 1157.148606][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.148606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.148606][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.148606][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.148606][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.148606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.148606][ T10] [ 1157.150627][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1157.150924][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1157.150924][ T10] netdev_get_by_index+0x5e/0x80 [ 1157.150924][ T10] fib6_nh_init+0x3d8/0x1580 [ 1157.150924][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1157.150924][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1157.150924][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1157.150924][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1157.150924][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1157.150924][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1157.150924][ T10] addrconf_dad_begin+0x310/0x670 [ 1157.150924][ T10] addrconf_dad_work+0x10b/0xab0 [ 1157.150924][ T10] process_one_work+0x84d/0x18a0 [ 1157.150924][ T10] worker_thread+0x587/0xd30 [ 1157.150924][ T10] kthread+0x28a/0x350 [ 1157.150924][ T10] ret_from_fork+0x31/0x70 [ 1157.150924][ T10] ret_from_fork_asm+0x1a/0x30 [ 1157.150924][ T10] [ 1157.153108][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1157.153108][ T10] netdev_get_by_index+0x5e/0x80 [ 1157.153108][ T10] fib6_nh_init+0x3d8/0x1580 [ 1157.153108][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1157.153108][ T10] ip6_route_add+0x1c/0x140 [ 1157.153108][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1157.153108][ T10] inet6_addr_add+0x4f8/0xa40 [ 1157.153108][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1157.153108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.153108][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.153108][ T10] netlink_unicast+0x449/0x710 [ 1157.153108][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.153108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.153108][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.153108][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.153108][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.153108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.153108][ T10] [ 1157.155390][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1157.155390][ T10] netdev_get_by_index+0x5e/0x80 [ 1157.155390][ T10] fib6_nh_init+0x3d8/0x1580 [ 1157.155390][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1157.155390][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1157.155390][ T10] ipv6_add_addr+0x411/0x2000 [ 1157.155390][ T10] inet6_addr_add+0x30e/0xa40 [ 1157.155390][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1157.155390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.155390][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.155390][ T10] netlink_unicast+0x449/0x710 [ 1157.155390][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.155390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.155390][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.155390][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.155390][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.155390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.155390][ T10] [ 1157.157671][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1157.157671][ T10] netdev_get_by_index+0x5e/0x80 [ 1157.157671][ T10] fib6_nh_init+0x3d8/0x1580 [ 1157.157671][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1157.157671][ T10] ip6_route_add+0x1c/0x140 [ 1157.157671][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1157.157671][ T10] addrconf_add_dev+0xe2/0x170 [ 1157.157671][ T10] inet6_addr_add+0x12f/0xa40 [ 1157.157671][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1157.157671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.157671][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.157671][ T10] netlink_unicast+0x449/0x710 [ 1157.157671][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.157671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.157671][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.157671][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.157671][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.157671][ T10] [ 1157.159932][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1157.159932][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1157.159932][ T10] ipv6_find_idev+0x102/0x170 [ 1157.159932][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1157.159932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.159932][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.159932][ T10] netlink_unicast+0x449/0x710 [ 1157.159932][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.159932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.159932][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.159932][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.159932][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.159932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.159932][ T10] [ 1157.161860][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1157.161860][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1157.161860][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1157.161860][ T10] ipv6_find_idev+0x102/0x170 [ 1157.161860][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1157.161860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.161860][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.161860][ T10] netlink_unicast+0x449/0x710 [ 1157.161860][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.161860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.161860][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.161860][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.161860][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.161860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.161860][ T10] [ 1165.793115][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1165.793636][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1165.793636][ T1167] dst_init+0x84/0x4a0 [ 1165.793636][ T1167] dst_alloc+0x97/0x150 [ 1165.793636][ T1167] ip6_dst_alloc+0x23/0x90 [ 1165.793636][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1165.793636][ T1167] ip6_pol_route+0x56f/0x840 [ 1165.793636][ T1167] fib6_rule_lookup+0x334/0x630 [ 1165.793636][ T1167] ip6_route_output_flags+0x259/0x480 [ 1165.793636][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1165.793636][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1165.793636][ T1167] netlink_rcv_skb+0x130/0x360 [ 1165.793636][ T1167] netlink_unicast+0x449/0x710 [ 1165.793636][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1165.793636][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1165.793636][ T1167] ___sys_sendmsg+0xee/0x170 [ 1165.793636][ T1167] __sys_sendmsg+0xcd/0x170 [ 1165.793636][ T1167] do_syscall_64+0xc6/0x1e0 [ 1165.793636][ T1167] [ 1165.796194][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1165.796194][ T1167] netdev_get_by_index+0x5e/0x80 [ 1165.796194][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1165.796194][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1165.796194][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1165.796194][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1165.796194][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1165.796194][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1165.796194][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1165.796194][ T1167] addrconf_dad_begin+0x310/0x670 [ 1165.796194][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1165.796194][ T1167] process_one_work+0x84d/0x18a0 [ 1165.796194][ T1167] worker_thread+0x587/0xd30 [ 1165.796194][ T1167] kthread+0x28a/0x350 [ 1165.796194][ T1167] ret_from_fork+0x31/0x70 [ 1165.796194][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1165.796194][ T1167] [ 1165.798708][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1165.798708][ T1167] netdev_get_by_index+0x5e/0x80 [ 1165.798708][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1165.798708][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1165.798708][ T1167] ip6_route_add+0x1c/0x140 [ 1165.798708][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1165.798708][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1165.798708][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1165.798708][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.798708][ T1167] netlink_rcv_skb+0x130/0x360 [ 1165.798708][ T1167] netlink_unicast+0x449/0x710 [ 1165.798708][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1165.798708][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1165.798708][ T1167] ___sys_sendmsg+0xee/0x170 [ 1165.798708][ T1167] __sys_sendmsg+0xcd/0x170 [ 1165.798708][ T1167] do_syscall_64+0xc6/0x1e0 [ 1165.798708][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.798708][ T1167] [ 1165.801300][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1165.801300][ T1167] netdev_get_by_index+0x5e/0x80 [ 1165.801300][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1165.801300][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1165.801300][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1165.801300][ T1167] ipv6_add_addr+0x411/0x2000 [ 1165.801300][ T1167] inet6_addr_add+0x30e/0xa40 [ 1165.801300][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1165.801300][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.801300][ T1167] netlink_rcv_skb+0x130/0x360 [ 1165.801300][ T1167] netlink_unicast+0x449/0x710 [ 1165.801300][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1165.801300][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1165.801300][ T1167] ___sys_sendmsg+0xee/0x170 [ 1165.801300][ T1167] __sys_sendmsg+0xcd/0x170 [ 1165.801300][ T1167] do_syscall_64+0xc6/0x1e0 [ 1165.801300][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.801300][ T1167] [ 1165.803830][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1165.803830][ T1167] netdev_get_by_index+0x5e/0x80 [ 1165.803830][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1165.803830][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1165.803830][ T1167] ip6_route_add+0x1c/0x140 [ 1165.803830][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1165.803830][ T1167] addrconf_add_dev+0xe2/0x170 [ 1165.803830][ T1167] inet6_addr_add+0x12f/0xa40 [ 1165.803830][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1165.803830][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.803830][ T1167] netlink_rcv_skb+0x130/0x360 [ 1165.803830][ T1167] netlink_unicast+0x449/0x710 [ 1165.803830][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1165.803830][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1165.803830][ T1167] ___sys_sendmsg+0xee/0x170 [ 1165.803830][ T1167] __sys_sendmsg+0xcd/0x170 [ 1165.803830][ T1167] do_syscall_64+0xc6/0x1e0 [ 1165.803830][ T1167] [ 1165.806237][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1165.806237][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1165.806237][ T1167] ipv6_find_idev+0x102/0x170 [ 1165.806237][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1165.806237][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.806237][ T1167] netlink_rcv_skb+0x130/0x360 [ 1165.806237][ T1167] netlink_unicast+0x449/0x710 [ 1165.806237][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1165.806237][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1165.806237][ T1167] ___sys_sendmsg+0xee/0x170 [ 1165.806237][ T1167] __sys_sendmsg+0xcd/0x170 [ 1165.806237][ T1167] do_syscall_64+0xc6/0x1e0 [ 1165.806237][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.806237][ T1167] [ 1165.808261][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1165.808261][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1165.808261][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1165.808261][ T1167] ipv6_find_idev+0x102/0x170 [ 1165.808261][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1165.808261][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.808261][ T1167] netlink_rcv_skb+0x130/0x360 [ 1165.808261][ T1167] netlink_unicast+0x449/0x710 [ 1165.808261][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1165.808261][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1165.808261][ T1167] ___sys_sendmsg+0xee/0x170 [ 1165.808261][ T1167] __sys_sendmsg+0xcd/0x170 [ 1165.808261][ T1167] do_syscall_64+0xc6/0x1e0 [ 1165.808261][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.808261][ T1167] [ 1167.233093][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1167.233509][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1167.233509][ T10] netdev_get_by_index+0x5e/0x80 [ 1167.233509][ T10] fib6_nh_init+0x3d8/0x1580 [ 1167.233509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1167.233509][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1167.233509][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1167.233509][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1167.233509][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1167.233509][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1167.233509][ T10] addrconf_dad_begin+0x310/0x670 [ 1167.233509][ T10] addrconf_dad_work+0x10b/0xab0 [ 1167.233509][ T10] process_one_work+0x84d/0x18a0 [ 1167.233509][ T10] worker_thread+0x587/0xd30 [ 1167.233509][ T10] kthread+0x28a/0x350 [ 1167.233509][ T10] ret_from_fork+0x31/0x70 [ 1167.233509][ T10] ret_from_fork_asm+0x1a/0x30 [ 1167.233509][ T10] [ 1167.235622][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1167.235622][ T10] netdev_get_by_index+0x5e/0x80 [ 1167.235622][ T10] fib6_nh_init+0x3d8/0x1580 [ 1167.235622][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1167.235622][ T10] ip6_route_add+0x1c/0x140 [ 1167.235622][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1167.235622][ T10] inet6_addr_add+0x4f8/0xa40 [ 1167.235622][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1167.235622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1167.235622][ T10] netlink_rcv_skb+0x130/0x360 [ 1167.235622][ T10] netlink_unicast+0x449/0x710 [ 1167.235622][ T10] netlink_sendmsg+0x723/0xbe0 [ 1167.235622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1167.235622][ T10] ___sys_sendmsg+0xee/0x170 [ 1167.235622][ T10] __sys_sendmsg+0xcd/0x170 [ 1167.235622][ T10] do_syscall_64+0xc6/0x1e0 [ 1167.235622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1167.235622][ T10] [ 1167.237773][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1167.237773][ T10] netdev_get_by_index+0x5e/0x80 [ 1167.237773][ T10] fib6_nh_init+0x3d8/0x1580 [ 1167.237773][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1167.237773][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1167.237773][ T10] ipv6_add_addr+0x411/0x2000 [ 1167.237773][ T10] inet6_addr_add+0x30e/0xa40 [ 1167.237773][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1167.237773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1167.237773][ T10] netlink_rcv_skb+0x130/0x360 [ 1167.237773][ T10] netlink_unicast+0x449/0x710 [ 1167.237773][ T10] netlink_sendmsg+0x723/0xbe0 [ 1167.237773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1167.237773][ T10] ___sys_sendmsg+0xee/0x170 [ 1167.237773][ T10] __sys_sendmsg+0xcd/0x170 [ 1167.237773][ T10] do_syscall_64+0xc6/0x1e0 [ 1167.237773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1167.237773][ T10] [ 1167.239802][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1167.239802][ T10] netdev_get_by_index+0x5e/0x80 [ 1167.239802][ T10] fib6_nh_init+0x3d8/0x1580 [ 1167.239802][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1167.239802][ T10] ip6_route_add+0x1c/0x140 [ 1167.239802][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1167.239802][ T10] addrconf_add_dev+0xe2/0x170 [ 1167.239802][ T10] inet6_addr_add+0x12f/0xa40 [ 1167.239802][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1167.239802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1167.239802][ T10] netlink_rcv_skb+0x130/0x360 [ 1167.239802][ T10] netlink_unicast+0x449/0x710 [ 1167.239802][ T10] netlink_sendmsg+0x723/0xbe0 [ 1167.239802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1167.239802][ T10] ___sys_sendmsg+0xee/0x170 [ 1167.239802][ T10] __sys_sendmsg+0xcd/0x170 [ 1167.239802][ T10] do_syscall_64+0xc6/0x1e0 [ 1167.239802][ T10] [ 1167.241793][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1167.241793][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1167.241793][ T10] ipv6_find_idev+0x102/0x170 [ 1167.241793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1167.241793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1167.241793][ T10] netlink_rcv_skb+0x130/0x360 [ 1167.241793][ T10] netlink_unicast+0x449/0x710 [ 1167.241793][ T10] netlink_sendmsg+0x723/0xbe0 [ 1167.241793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1167.241793][ T10] ___sys_sendmsg+0xee/0x170 [ 1167.241793][ T10] __sys_sendmsg+0xcd/0x170 [ 1167.241793][ T10] do_syscall_64+0xc6/0x1e0 [ 1167.241793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1167.241793][ T10] [ 1167.243452][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1167.243452][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1167.243452][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1167.243452][ T10] ipv6_find_idev+0x102/0x170 [ 1167.243452][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1167.243452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1167.243452][ T10] netlink_rcv_skb+0x130/0x360 [ 1167.243452][ T10] netlink_unicast+0x449/0x710 [ 1167.243452][ T10] netlink_sendmsg+0x723/0xbe0 [ 1167.243452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1167.243452][ T10] ___sys_sendmsg+0xee/0x170 [ 1167.243452][ T10] __sys_sendmsg+0xcd/0x170 [ 1167.243452][ T10] do_syscall_64+0xc6/0x1e0 [ 1167.243452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1167.243452][ T10] [ 1167.245170][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1167.245424][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1167.245424][ T10] netdev_get_by_index+0x5e/0x80 [ 1167.245424][ T10] fib6_nh_init+0x3d8/0x1580 [ 1167.245424][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1167.245424][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1167.245424][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1167.245424][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1167.245424][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1167.245424][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1167.245424][ T10] addrconf_dad_begin+0x310/0x670 [ 1167.245424][ T10] addrconf_dad_work+0x10b/0xab0 [ 1167.245424][ T10] process_one_work+0x84d/0x18a0 [ 1167.245424][ T10] worker_thread+0x587/0xd30 [ 1167.245424][ T10] kthread+0x28a/0x350 [ 1167.245424][ T10] ret_from_fork+0x31/0x70 [ 1167.245424][ T10] ret_from_fork_asm+0x1a/0x30 [ 1167.245424][ T10] [ 1167.247354][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1167.247354][ T10] netdev_get_by_index+0x5e/0x80 [ 1167.247354][ T10] fib6_nh_init+0x3d8/0x1580 [ 1167.247354][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1167.247354][ T10] ip6_route_add+0x1c/0x140 [ 1167.247354][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1167.247354][ T10] inet6_addr_add+0x4f8/0xa40 [ 1167.247354][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1167.247354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1167.247354][ T10] netlink_rcv_skb+0x130/0x360 [ 1167.247354][ T10] netlink_unicast+0x449/0x710 [ 1167.247354][ T10] netlink_sendmsg+0x723/0xbe0 [ 1167.247354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1167.247354][ T10] ___sys_sendmsg+0xee/0x170 [ 1167.247354][ T10] __sys_sendmsg+0xcd/0x170 [ 1167.247354][ T10] do_syscall_64+0xc6/0x1e0 [ 1167.247354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1167.247354][ T10] [ 1167.249387][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1167.249387][ T10] netdev_get_by_index+0x5e/0x80 [ 1167.249387][ T10] fib6_nh_init+0x3d8/0x1580 [ 1167.249387][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1167.249387][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1167.249387][ T10] ipv6_add_addr+0x411/0x2000 [ 1167.249387][ T10] inet6_addr_add+0x30e/0xa40 [ 1167.249387][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1167.249387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1167.249387][ T10] netlink_rcv_skb+0x130/0x360 [ 1167.249387][ T10] netlink_unicast+0x449/0x710 [ 1167.249387][ T10] netlink_sendmsg+0x723/0xbe0 [ 1167.249387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1167.249387][ T10] ___sys_sendmsg+0xee/0x170 [ 1167.249387][ T10] __sys_sendmsg+0xcd/0x170 [ 1167.249387][ T10] do_syscall_64+0xc6/0x1e0 [ 1167.249387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1167.249387][ T10] [ 1167.251401][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1167.251401][ T10] netdev_get_by_index+0x5e/0x80 [ 1167.251401][ T10] fib6_nh_init+0x3d8/0x1580 [ 1167.251401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1167.251401][ T10] ip6_route_add+0x1c/0x140 [ 1167.251401][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1167.251401][ T10] addrconf_add_dev+0xe2/0x170 [ 1167.251401][ T10] inet6_addr_add+0x12f/0xa40 [ 1167.251401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1167.251401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1167.251401][ T10] netlink_rcv_skb+0x130/0x360 [ 1167.251401][ T10] netlink_unicast+0x449/0x710 [ 1167.251401][ T10] netlink_sendmsg+0x723/0xbe0 [ 1167.251401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1167.251401][ T10] ___sys_sendmsg+0xee/0x170 [ 1167.251401][ T10] __sys_sendmsg+0xcd/0x170 [ 1167.251401][ T10] do_syscall_64+0xc6/0x1e0 [ 1167.251401][ T10] [ 1167.253392][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1167.253392][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1167.253392][ T10] ipv6_find_idev+0x102/0x170 [ 1167.253392][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1167.253392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1167.253392][ T10] netlink_rcv_skb+0x130/0x360 [ 1167.253392][ T10] netlink_unicast+0x449/0x710 [ 1167.253392][ T10] netlink_sendmsg+0x723/0xbe0 [ 1167.253392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1167.253392][ T10] ___sys_sendmsg+0xee/0x170 [ 1167.253392][ T10] __sys_sendmsg+0xcd/0x170 [ 1167.253392][ T10] do_syscall_64+0xc6/0x1e0 [ 1167.253392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1167.253392][ T10] [ 1167.254943][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1167.254943][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1167.254943][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1167.254943][ T10] ipv6_find_idev+0x102/0x170 [ 1167.254943][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1167.254943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1167.254943][ T10] netlink_rcv_skb+0x130/0x360 [ 1167.254943][ T10] netlink_unicast+0x449/0x710 [ 1167.254943][ T10] netlink_sendmsg+0x723/0xbe0 [ 1167.254943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1167.254943][ T10] ___sys_sendmsg+0xee/0x170 [ 1167.254943][ T10] __sys_sendmsg+0xcd/0x170 [ 1167.254943][ T10] do_syscall_64+0xc6/0x1e0 [ 1167.254943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1167.254943][ T10] [ 1167.256649][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1167.256897][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1167.256897][ T10] netdev_get_by_index+0x5e/0x80 [ 1167.256897][ T10] fib6_nh_init+0x3d8/0x1580 [ 1167.256897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1167.256897][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1167.256897][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1167.256897][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1167.256897][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1167.256897][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1167.256897][ T10] addrconf_dad_begin+0x310/0x670 [ 1167.256897][ T10] addrconf_dad_work+0x10b/0xab0 [ 1167.256897][ T10] process_one_work+0x84d/0x18a0 [ 1167.256897][ T10] worker_thread+0x587/0xd30 [ 1167.256897][ T10] kthread+0x28a/0x350 [ 1167.256897][ T10] ret_from_fork+0x31/0x70 [ 1167.256897][ T10] ret_from_fork_asm+0x1a/0x30 [ 1167.256897][ T10] [ 1167.258823][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1167.258823][ T10] netdev_get_by_index+0x5e/0x80 [ 1167.258823][ T10] fib6_nh_init+0x3d8/0x1580 [ 1167.258823][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1167.258823][ T10] ip6_route_add+0x1c/0x140 [ 1167.258823][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1167.258823][ T10] inet6_addr_add+0x4f8/0xa40 [ 1167.258823][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1167.258823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1167.258823][ T10] netlink_rcv_skb+0x130/0x360 [ 1167.258823][ T10] netlink_unicast+0x449/0x710 [ 1167.258823][ T10] netlink_sendmsg+0x723/0xbe0 [ 1167.258823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1167.258823][ T10] ___sys_sendmsg+0xee/0x170 [ 1167.258823][ T10] __sys_sendmsg+0xcd/0x170 [ 1167.258823][ T10] do_syscall_64+0xc6/0x1e0 [ 1167.258823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1167.258823][ T10] [ 1167.261058][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1167.261058][ T10] netdev_get_by_index+0x5e/0x80 [ 1167.261058][ T10] fib6_nh_init+0x3d8/0x1580 [ 1167.261058][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1167.261058][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1167.261058][ T10] ipv6_add_addr+0x411/0x2000 [ 1167.261058][ T10] inet6_addr_add+0x30e/0xa40 [ 1167.261058][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1167.261058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1167.261058][ T10] netlink_rcv_skb+0x130/0x360 [ 1167.261058][ T10] netlink_unicast+0x449/0x710 [ 1167.261058][ T10] netlink_sendmsg+0x723/0xbe0 [ 1167.261058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1167.261058][ T10] ___sys_sendmsg+0xee/0x170 [ 1167.261058][ T10] __sys_sendmsg+0xcd/0x170 [ 1167.261058][ T10] do_syscall_64+0xc6/0x1e0 [ 1167.261058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1167.261058][ T10] [ 1167.263335][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1167.263335][ T10] netdev_get_by_index+0x5e/0x80 [ 1167.263335][ T10] fib6_nh_init+0x3d8/0x1580 [ 1167.263335][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1167.263335][ T10] ip6_route_add+0x1c/0x140 [ 1167.263335][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1167.263335][ T10] addrconf_add_dev+0xe2/0x170 [ 1167.263335][ T10] inet6_addr_add+0x12f/0xa40 [ 1167.263335][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1167.263335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1167.263335][ T10] netlink_rcv_skb+0x130/0x360 [ 1167.263335][ T10] netlink_unicast+0x449/0x710 [ 1167.263335][ T10] netlink_sendmsg+0x723/0xbe0 [ 1167.263335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1167.263335][ T10] ___sys_sendmsg+0xee/0x170 [ 1167.263335][ T10] __sys_sendmsg+0xcd/0x170 [ 1167.263335][ T10] do_syscall_64+0xc6/0x1e0 [ 1167.263335][ T10] [ 1167.265560][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1167.265560][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1167.265560][ T10] ipv6_find_idev+0x102/0x170 [ 1167.265560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1167.265560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1167.265560][ T10] netlink_rcv_skb+0x130/0x360 [ 1167.265560][ T10] netlink_unicast+0x449/0x710 [ 1167.265560][ T10] netlink_sendmsg+0x723/0xbe0 [ 1167.265560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1167.265560][ T10] ___sys_sendmsg+0xee/0x170 [ 1167.265560][ T10] __sys_sendmsg+0xcd/0x170 [ 1167.265560][ T10] do_syscall_64+0xc6/0x1e0 [ 1167.265560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1167.265560][ T10] [ 1167.267296][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1167.267296][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1167.267296][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1167.267296][ T10] ipv6_find_idev+0x102/0x170 [ 1167.267296][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1167.267296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1167.267296][ T10] netlink_rcv_skb+0x130/0x360 [ 1167.267296][ T10] netlink_unicast+0x449/0x710 [ 1167.267296][ T10] netlink_sendmsg+0x723/0xbe0 [ 1167.267296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1167.267296][ T10] ___sys_sendmsg+0xee/0x170 [ 1167.267296][ T10] __sys_sendmsg+0xcd/0x170 [ 1167.267296][ T10] do_syscall_64+0xc6/0x1e0 [ 1167.267296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1167.267296][ T10] [ 1167.269247][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1167.269544][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1167.269544][ T10] netdev_get_by_index+0x5e/0x80 [ 1167.269544][ T10] fib6_nh_init+0x3d8/0x1580 [ 1167.269544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1167.269544][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1167.269544][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1167.269544][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1167.269544][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1167.269544][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1167.269544][ T10] addrconf_dad_begin+0x310/0x670 [ 1167.269544][ T10] addrconf_dad_work+0x10b/0xab0 [ 1167.269544][ T10] process_one_work+0x84d/0x18a0 [ 1167.269544][ T10] worker_thread+0x587/0xd30 [ 1167.269544][ T10] kthread+0x28a/0x350 [ 1167.269544][ T10] ret_from_fork+0x31/0x70 [ 1167.269544][ T10] ret_from_fork_asm+0x1a/0x30 [ 1167.269544][ T10] [ 1167.271644][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1167.271644][ T10] netdev_get_by_index+0x5e/0x80 [ 1167.271644][ T10] fib6_nh_init+0x3d8/0x1580 [ 1167.271644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1167.271644][ T10] ip6_route_add+0x1c/0x140 [ 1167.271644][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1167.271644][ T10] inet6_addr_add+0x4f8/0xa40 [ 1167.271644][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1167.271644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1167.271644][ T10] netlink_rcv_skb+0x130/0x360 [ 1167.271644][ T10] netlink_unicast+0x449/0x710 [ 1167.271644][ T10] netlink_sendmsg+0x723/0xbe0 [ 1167.271644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1167.271644][ T10] ___sys_sendmsg+0xee/0x170 [ 1167.271644][ T10] __sys_sendmsg+0xcd/0x170 [ 1167.271644][ T10] do_syscall_64+0xc6/0x1e0 [ 1167.271644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1167.271644][ T10] [ 1167.273927][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1167.273927][ T10] netdev_get_by_index+0x5e/0x80 [ 1167.273927][ T10] fib6_nh_init+0x3d8/0x1580 [ 1167.273927][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1167.273927][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1167.273927][ T10] ipv6_add_addr+0x411/0x2000 [ 1167.273927][ T10] inet6_addr_add+0x30e/0xa40 [ 1167.273927][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1167.273927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1167.273927][ T10] netlink_rcv_skb+0x130/0x360 [ 1167.273927][ T10] netlink_unicast+0x449/0x710 [ 1167.273927][ T10] netlink_sendmsg+0x723/0xbe0 [ 1167.273927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1167.273927][ T10] ___sys_sendmsg+0xee/0x170 [ 1167.273927][ T10] __sys_sendmsg+0xcd/0x170 [ 1167.273927][ T10] do_syscall_64+0xc6/0x1e0 [ 1167.273927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1167.273927][ T10] [ 1167.276194][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1167.276194][ T10] netdev_get_by_index+0x5e/0x80 [ 1167.276194][ T10] fib6_nh_init+0x3d8/0x1580 [ 1167.276194][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1167.276194][ T10] ip6_route_add+0x1c/0x140 [ 1167.276194][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1167.276194][ T10] addrconf_add_dev+0xe2/0x170 [ 1167.276194][ T10] inet6_addr_add+0x12f/0xa40 [ 1167.276194][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1167.276194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1167.276194][ T10] netlink_rcv_skb+0x130/0x360 [ 1167.276194][ T10] netlink_unicast+0x449/0x710 [ 1167.276194][ T10] netlink_sendmsg+0x723/0xbe0 [ 1167.276194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1167.276194][ T10] ___sys_sendmsg+0xee/0x170 [ 1167.276194][ T10] __sys_sendmsg+0xcd/0x170 [ 1167.276194][ T10] do_syscall_64+0xc6/0x1e0 [ 1167.276194][ T10] [ 1167.278482][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1167.278482][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1167.278482][ T10] ipv6_find_idev+0x102/0x170 [ 1167.278482][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1167.278482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1167.278482][ T10] netlink_rcv_skb+0x130/0x360 [ 1167.278482][ T10] netlink_unicast+0x449/0x710 [ 1167.278482][ T10] netlink_sendmsg+0x723/0xbe0 [ 1167.278482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1167.278482][ T10] ___sys_sendmsg+0xee/0x170 [ 1167.278482][ T10] __sys_sendmsg+0xcd/0x170 [ 1167.278482][ T10] do_syscall_64+0xc6/0x1e0 [ 1167.278482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1167.278482][ T10] [ 1167.280211][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1167.280211][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1167.280211][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1167.280211][ T10] ipv6_find_idev+0x102/0x170 [ 1167.280211][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1167.280211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1167.280211][ T10] netlink_rcv_skb+0x130/0x360 [ 1167.280211][ T10] netlink_unicast+0x449/0x710 [ 1167.280211][ T10] netlink_sendmsg+0x723/0xbe0 [ 1167.280211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1167.280211][ T10] ___sys_sendmsg+0xee/0x170 [ 1167.280211][ T10] __sys_sendmsg+0xcd/0x170 [ 1167.280211][ T10] do_syscall_64+0xc6/0x1e0 [ 1167.280211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1167.280211][ T10] [ 1176.049074][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1176.049580][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1176.049580][ T1167] dst_init+0x84/0x4a0 [ 1176.049580][ T1167] dst_alloc+0x97/0x150 [ 1176.049580][ T1167] ip6_dst_alloc+0x23/0x90 [ 1176.049580][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1176.049580][ T1167] ip6_pol_route+0x56f/0x840 [ 1176.049580][ T1167] fib6_rule_lookup+0x334/0x630 [ 1176.049580][ T1167] ip6_route_output_flags+0x259/0x480 [ 1176.049580][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1176.049580][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1176.049580][ T1167] netlink_rcv_skb+0x130/0x360 [ 1176.049580][ T1167] netlink_unicast+0x449/0x710 [ 1176.049580][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1176.049580][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1176.049580][ T1167] ___sys_sendmsg+0xee/0x170 [ 1176.049580][ T1167] __sys_sendmsg+0xcd/0x170 [ 1176.049580][ T1167] do_syscall_64+0xc6/0x1e0 [ 1176.049580][ T1167] [ 1176.052227][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1176.052227][ T1167] netdev_get_by_index+0x5e/0x80 [ 1176.052227][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1176.052227][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1176.052227][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1176.052227][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1176.052227][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1176.052227][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1176.052227][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1176.052227][ T1167] addrconf_dad_begin+0x310/0x670 [ 1176.052227][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1176.052227][ T1167] process_one_work+0x84d/0x18a0 [ 1176.052227][ T1167] worker_thread+0x587/0xd30 [ 1176.052227][ T1167] kthread+0x28a/0x350 [ 1176.052227][ T1167] ret_from_fork+0x31/0x70 [ 1176.052227][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1176.052227][ T1167] [ 1176.054691][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1176.054691][ T1167] netdev_get_by_index+0x5e/0x80 [ 1176.054691][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1176.054691][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1176.054691][ T1167] ip6_route_add+0x1c/0x140 [ 1176.054691][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1176.054691][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1176.054691][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1176.054691][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1176.054691][ T1167] netlink_rcv_skb+0x130/0x360 [ 1176.054691][ T1167] netlink_unicast+0x449/0x710 [ 1176.054691][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1176.054691][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1176.054691][ T1167] ___sys_sendmsg+0xee/0x170 [ 1176.054691][ T1167] __sys_sendmsg+0xcd/0x170 [ 1176.054691][ T1167] do_syscall_64+0xc6/0x1e0 [ 1176.054691][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1176.054691][ T1167] [ 1176.057196][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1176.057196][ T1167] netdev_get_by_index+0x5e/0x80 [ 1176.057196][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1176.057196][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1176.057196][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1176.057196][ T1167] ipv6_add_addr+0x411/0x2000 [ 1176.057196][ T1167] inet6_addr_add+0x30e/0xa40 [ 1176.057196][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1176.057196][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1176.057196][ T1167] netlink_rcv_skb+0x130/0x360 [ 1176.057196][ T1167] netlink_unicast+0x449/0x710 [ 1176.057196][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1176.057196][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1176.057196][ T1167] ___sys_sendmsg+0xee/0x170 [ 1176.057196][ T1167] __sys_sendmsg+0xcd/0x170 [ 1176.057196][ T1167] do_syscall_64+0xc6/0x1e0 [ 1176.057196][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1176.057196][ T1167] [ 1176.059668][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1176.059668][ T1167] netdev_get_by_index+0x5e/0x80 [ 1176.059668][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1176.059668][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1176.059668][ T1167] ip6_route_add+0x1c/0x140 [ 1176.059668][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1176.059668][ T1167] addrconf_add_dev+0xe2/0x170 [ 1176.059668][ T1167] inet6_addr_add+0x12f/0xa40 [ 1176.059668][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1176.059668][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1176.059668][ T1167] netlink_rcv_skb+0x130/0x360 [ 1176.059668][ T1167] netlink_unicast+0x449/0x710 [ 1176.059668][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1176.059668][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1176.059668][ T1167] ___sys_sendmsg+0xee/0x170 [ 1176.059668][ T1167] __sys_sendmsg+0xcd/0x170 [ 1176.059668][ T1167] do_syscall_64+0xc6/0x1e0 [ 1176.059668][ T1167] [ 1176.062118][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1176.062118][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1176.062118][ T1167] ipv6_find_idev+0x102/0x170 [ 1176.062118][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1176.062118][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1176.062118][ T1167] netlink_rcv_skb+0x130/0x360 [ 1176.062118][ T1167] netlink_unicast+0x449/0x710 [ 1176.062118][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1176.062118][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1176.062118][ T1167] ___sys_sendmsg+0xee/0x170 [ 1176.062118][ T1167] __sys_sendmsg+0xcd/0x170 [ 1176.062118][ T1167] do_syscall_64+0xc6/0x1e0 [ 1176.062118][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1176.062118][ T1167] [ 1176.064074][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1176.064074][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1176.064074][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1176.064074][ T1167] ipv6_find_idev+0x102/0x170 [ 1176.064074][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1176.064074][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1176.064074][ T1167] netlink_rcv_skb+0x130/0x360 [ 1176.064074][ T1167] netlink_unicast+0x449/0x710 [ 1176.064074][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1176.064074][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1176.064074][ T1167] ___sys_sendmsg+0xee/0x170 [ 1176.064074][ T1167] __sys_sendmsg+0xcd/0x170 [ 1176.064074][ T1167] do_syscall_64+0xc6/0x1e0 [ 1176.064074][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1176.064074][ T1167] [ 1177.537145][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1177.537570][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1177.537570][ T10] netdev_get_by_index+0x5e/0x80 [ 1177.537570][ T10] fib6_nh_init+0x3d8/0x1580 [ 1177.537570][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1177.537570][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1177.537570][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1177.537570][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1177.537570][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1177.537570][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1177.537570][ T10] addrconf_dad_begin+0x310/0x670 [ 1177.537570][ T10] addrconf_dad_work+0x10b/0xab0 [ 1177.537570][ T10] process_one_work+0x84d/0x18a0 [ 1177.537570][ T10] worker_thread+0x587/0xd30 [ 1177.537570][ T10] kthread+0x28a/0x350 [ 1177.537570][ T10] ret_from_fork+0x31/0x70 [ 1177.537570][ T10] ret_from_fork_asm+0x1a/0x30 [ 1177.537570][ T10] [ 1177.539713][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1177.539713][ T10] netdev_get_by_index+0x5e/0x80 [ 1177.539713][ T10] fib6_nh_init+0x3d8/0x1580 [ 1177.539713][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1177.539713][ T10] ip6_route_add+0x1c/0x140 [ 1177.539713][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1177.539713][ T10] inet6_addr_add+0x4f8/0xa40 [ 1177.539713][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1177.539713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1177.539713][ T10] netlink_rcv_skb+0x130/0x360 [ 1177.539713][ T10] netlink_unicast+0x449/0x710 [ 1177.539713][ T10] netlink_sendmsg+0x723/0xbe0 [ 1177.539713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1177.539713][ T10] ___sys_sendmsg+0xee/0x170 [ 1177.539713][ T10] __sys_sendmsg+0xcd/0x170 [ 1177.539713][ T10] do_syscall_64+0xc6/0x1e0 [ 1177.539713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1177.539713][ T10] [ 1177.541908][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1177.541908][ T10] netdev_get_by_index+0x5e/0x80 [ 1177.541908][ T10] fib6_nh_init+0x3d8/0x1580 [ 1177.541908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1177.541908][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1177.541908][ T10] ipv6_add_addr+0x411/0x2000 [ 1177.541908][ T10] inet6_addr_add+0x30e/0xa40 [ 1177.541908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1177.541908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1177.541908][ T10] netlink_rcv_skb+0x130/0x360 [ 1177.541908][ T10] netlink_unicast+0x449/0x710 [ 1177.541908][ T10] netlink_sendmsg+0x723/0xbe0 [ 1177.541908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1177.541908][ T10] ___sys_sendmsg+0xee/0x170 [ 1177.541908][ T10] __sys_sendmsg+0xcd/0x170 [ 1177.541908][ T10] do_syscall_64+0xc6/0x1e0 [ 1177.541908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1177.541908][ T10] [ 1177.544093][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1177.544093][ T10] netdev_get_by_index+0x5e/0x80 [ 1177.544093][ T10] fib6_nh_init+0x3d8/0x1580 [ 1177.544093][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1177.544093][ T10] ip6_route_add+0x1c/0x140 [ 1177.544093][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1177.544093][ T10] addrconf_add_dev+0xe2/0x170 [ 1177.544093][ T10] inet6_addr_add+0x12f/0xa40 [ 1177.544093][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1177.544093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1177.544093][ T10] netlink_rcv_skb+0x130/0x360 [ 1177.544093][ T10] netlink_unicast+0x449/0x710 [ 1177.544093][ T10] netlink_sendmsg+0x723/0xbe0 [ 1177.544093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1177.544093][ T10] ___sys_sendmsg+0xee/0x170 [ 1177.544093][ T10] __sys_sendmsg+0xcd/0x170 [ 1177.544093][ T10] do_syscall_64+0xc6/0x1e0 [ 1177.544093][ T10] [ 1177.546253][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1177.546253][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1177.546253][ T10] ipv6_find_idev+0x102/0x170 [ 1177.546253][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1177.546253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1177.546253][ T10] netlink_rcv_skb+0x130/0x360 [ 1177.546253][ T10] netlink_unicast+0x449/0x710 [ 1177.546253][ T10] netlink_sendmsg+0x723/0xbe0 [ 1177.546253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1177.546253][ T10] ___sys_sendmsg+0xee/0x170 [ 1177.546253][ T10] __sys_sendmsg+0xcd/0x170 [ 1177.546253][ T10] do_syscall_64+0xc6/0x1e0 [ 1177.546253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1177.546253][ T10] [ 1177.547926][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1177.547926][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1177.547926][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1177.547926][ T10] ipv6_find_idev+0x102/0x170 [ 1177.547926][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1177.547926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1177.547926][ T10] netlink_rcv_skb+0x130/0x360 [ 1177.547926][ T10] netlink_unicast+0x449/0x710 [ 1177.547926][ T10] netlink_sendmsg+0x723/0xbe0 [ 1177.547926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1177.547926][ T10] ___sys_sendmsg+0xee/0x170 [ 1177.547926][ T10] __sys_sendmsg+0xcd/0x170 [ 1177.547926][ T10] do_syscall_64+0xc6/0x1e0 [ 1177.547926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1177.547926][ T10] [ 1177.549803][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1177.550086][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1177.550086][ T10] netdev_get_by_index+0x5e/0x80 [ 1177.550086][ T10] fib6_nh_init+0x3d8/0x1580 [ 1177.550086][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1177.550086][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1177.550086][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1177.550086][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1177.550086][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1177.550086][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1177.550086][ T10] addrconf_dad_begin+0x310/0x670 [ 1177.550086][ T10] addrconf_dad_work+0x10b/0xab0 [ 1177.550086][ T10] process_one_work+0x84d/0x18a0 [ 1177.550086][ T10] worker_thread+0x587/0xd30 [ 1177.550086][ T10] kthread+0x28a/0x350 [ 1177.550086][ T10] ret_from_fork+0x31/0x70 [ 1177.550086][ T10] ret_from_fork_asm+0x1a/0x30 [ 1177.550086][ T10] [ 1177.552190][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1177.552190][ T10] netdev_get_by_index+0x5e/0x80 [ 1177.552190][ T10] fib6_nh_init+0x3d8/0x1580 [ 1177.552190][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1177.552190][ T10] ip6_route_add+0x1c/0x140 [ 1177.552190][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1177.552190][ T10] inet6_addr_add+0x4f8/0xa40 [ 1177.552190][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1177.552190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1177.552190][ T10] netlink_rcv_skb+0x130/0x360 [ 1177.552190][ T10] netlink_unicast+0x449/0x710 [ 1177.552190][ T10] netlink_sendmsg+0x723/0xbe0 [ 1177.552190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1177.552190][ T10] ___sys_sendmsg+0xee/0x170 [ 1177.552190][ T10] __sys_sendmsg+0xcd/0x170 [ 1177.552190][ T10] do_syscall_64+0xc6/0x1e0 [ 1177.552190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1177.552190][ T10] [ 1177.554412][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1177.554412][ T10] netdev_get_by_index+0x5e/0x80 [ 1177.554412][ T10] fib6_nh_init+0x3d8/0x1580 [ 1177.554412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1177.554412][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1177.554412][ T10] ipv6_add_addr+0x411/0x2000 [ 1177.554412][ T10] inet6_addr_add+0x30e/0xa40 [ 1177.554412][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1177.554412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1177.554412][ T10] netlink_rcv_skb+0x130/0x360 [ 1177.554412][ T10] netlink_unicast+0x449/0x710 [ 1177.554412][ T10] netlink_sendmsg+0x723/0xbe0 [ 1177.554412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1177.554412][ T10] ___sys_sendmsg+0xee/0x170 [ 1177.554412][ T10] __sys_sendmsg+0xcd/0x170 [ 1177.554412][ T10] do_syscall_64+0xc6/0x1e0 [ 1177.554412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1177.554412][ T10] [ 1177.556610][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1177.556610][ T10] netdev_get_by_index+0x5e/0x80 [ 1177.556610][ T10] fib6_nh_init+0x3d8/0x1580 [ 1177.556610][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1177.556610][ T10] ip6_route_add+0x1c/0x140 [ 1177.556610][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1177.556610][ T10] addrconf_add_dev+0xe2/0x170 [ 1177.556610][ T10] inet6_addr_add+0x12f/0xa40 [ 1177.556610][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1177.556610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1177.556610][ T10] netlink_rcv_skb+0x130/0x360 [ 1177.556610][ T10] netlink_unicast+0x449/0x710 [ 1177.556610][ T10] netlink_sendmsg+0x723/0xbe0 [ 1177.556610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1177.556610][ T10] ___sys_sendmsg+0xee/0x170 [ 1177.556610][ T10] __sys_sendmsg+0xcd/0x170 [ 1177.556610][ T10] do_syscall_64+0xc6/0x1e0 [ 1177.556610][ T10] [ 1177.558773][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1177.558773][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1177.558773][ T10] ipv6_find_idev+0x102/0x170 [ 1177.558773][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1177.558773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1177.558773][ T10] netlink_rcv_skb+0x130/0x360 [ 1177.558773][ T10] netlink_unicast+0x449/0x710 [ 1177.558773][ T10] netlink_sendmsg+0x723/0xbe0 [ 1177.558773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1177.558773][ T10] ___sys_sendmsg+0xee/0x170 [ 1177.558773][ T10] __sys_sendmsg+0xcd/0x170 [ 1177.558773][ T10] do_syscall_64+0xc6/0x1e0 [ 1177.558773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1177.558773][ T10] [ 1177.560464][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1177.560464][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1177.560464][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1177.560464][ T10] ipv6_find_idev+0x102/0x170 [ 1177.560464][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1177.560464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1177.560464][ T10] netlink_rcv_skb+0x130/0x360 [ 1177.560464][ T10] netlink_unicast+0x449/0x710 [ 1177.560464][ T10] netlink_sendmsg+0x723/0xbe0 [ 1177.560464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1177.560464][ T10] ___sys_sendmsg+0xee/0x170 [ 1177.560464][ T10] __sys_sendmsg+0xcd/0x170 [ 1177.560464][ T10] do_syscall_64+0xc6/0x1e0 [ 1177.560464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1177.560464][ T10] [ 1177.562335][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1177.562599][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1177.562599][ T10] netdev_get_by_index+0x5e/0x80 [ 1177.562599][ T10] fib6_nh_init+0x3d8/0x1580 [ 1177.562599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1177.562599][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1177.562599][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1177.562599][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1177.562599][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1177.562599][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1177.562599][ T10] addrconf_dad_begin+0x310/0x670 [ 1177.562599][ T10] addrconf_dad_work+0x10b/0xab0 [ 1177.562599][ T10] process_one_work+0x84d/0x18a0 [ 1177.562599][ T10] worker_thread+0x587/0xd30 [ 1177.562599][ T10] kthread+0x28a/0x350 [ 1177.562599][ T10] ret_from_fork+0x31/0x70 [ 1177.562599][ T10] ret_from_fork_asm+0x1a/0x30 [ 1177.562599][ T10] [ 1177.564706][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1177.564706][ T10] netdev_get_by_index+0x5e/0x80 [ 1177.564706][ T10] fib6_nh_init+0x3d8/0x1580 [ 1177.564706][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1177.564706][ T10] ip6_route_add+0x1c/0x140 [ 1177.564706][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1177.564706][ T10] inet6_addr_add+0x4f8/0xa40 [ 1177.564706][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1177.564706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1177.564706][ T10] netlink_rcv_skb+0x130/0x360 [ 1177.564706][ T10] netlink_unicast+0x449/0x710 [ 1177.564706][ T10] netlink_sendmsg+0x723/0xbe0 [ 1177.564706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1177.564706][ T10] ___sys_sendmsg+0xee/0x170 [ 1177.564706][ T10] __sys_sendmsg+0xcd/0x170 [ 1177.564706][ T10] do_syscall_64+0xc6/0x1e0 [ 1177.564706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1177.564706][ T10] [ 1177.567121][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1177.567121][ T10] netdev_get_by_index+0x5e/0x80 [ 1177.567121][ T10] fib6_nh_init+0x3d8/0x1580 [ 1177.567121][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1177.567121][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1177.567121][ T10] ipv6_add_addr+0x411/0x2000 [ 1177.567121][ T10] inet6_addr_add+0x30e/0xa40 [ 1177.567121][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1177.567121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1177.567121][ T10] netlink_rcv_skb+0x130/0x360 [ 1177.567121][ T10] netlink_unicast+0x449/0x710 [ 1177.567121][ T10] netlink_sendmsg+0x723/0xbe0 [ 1177.567121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1177.567121][ T10] ___sys_sendmsg+0xee/0x170 [ 1177.567121][ T10] __sys_sendmsg+0xcd/0x170 [ 1177.567121][ T10] do_syscall_64+0xc6/0x1e0 [ 1177.567121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1177.567121][ T10] [ 1177.569564][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1177.569564][ T10] netdev_get_by_index+0x5e/0x80 [ 1177.569564][ T10] fib6_nh_init+0x3d8/0x1580 [ 1177.569564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1177.569564][ T10] ip6_route_add+0x1c/0x140 [ 1177.569564][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1177.569564][ T10] addrconf_add_dev+0xe2/0x170 [ 1177.569564][ T10] inet6_addr_add+0x12f/0xa40 [ 1177.569564][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1177.569564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1177.569564][ T10] netlink_rcv_skb+0x130/0x360 [ 1177.569564][ T10] netlink_unicast+0x449/0x710 [ 1177.569564][ T10] netlink_sendmsg+0x723/0xbe0 [ 1177.569564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1177.569564][ T10] ___sys_sendmsg+0xee/0x170 [ 1177.569564][ T10] __sys_sendmsg+0xcd/0x170 [ 1177.569564][ T10] do_syscall_64+0xc6/0x1e0 [ 1177.569564][ T10] [ 1177.571947][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1177.571947][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1177.571947][ T10] ipv6_find_idev+0x102/0x170 [ 1177.571947][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1177.571947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1177.571947][ T10] netlink_rcv_skb+0x130/0x360 [ 1177.571947][ T10] netlink_unicast+0x449/0x710 [ 1177.571947][ T10] netlink_sendmsg+0x723/0xbe0 [ 1177.571947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1177.571947][ T10] ___sys_sendmsg+0xee/0x170 [ 1177.571947][ T10] __sys_sendmsg+0xcd/0x170 [ 1177.571947][ T10] do_syscall_64+0xc6/0x1e0 [ 1177.571947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1177.571947][ T10] [ 1177.573876][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1177.573876][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1177.573876][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1177.573876][ T10] ipv6_find_idev+0x102/0x170 [ 1177.573876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1177.573876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1177.573876][ T10] netlink_rcv_skb+0x130/0x360 [ 1177.573876][ T10] netlink_unicast+0x449/0x710 [ 1177.573876][ T10] netlink_sendmsg+0x723/0xbe0 [ 1177.573876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1177.573876][ T10] ___sys_sendmsg+0xee/0x170 [ 1177.573876][ T10] __sys_sendmsg+0xcd/0x170 [ 1177.573876][ T10] do_syscall_64+0xc6/0x1e0 [ 1177.573876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1177.573876][ T10] [ 1177.575906][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1177.576661][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1177.576661][ T10] netdev_get_by_index+0x5e/0x80 [ 1177.576661][ T10] fib6_nh_init+0x3d8/0x1580 [ 1177.576661][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1177.576661][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1177.576661][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1177.576661][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1177.576661][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1177.576661][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1177.576661][ T10] addrconf_dad_begin+0x310/0x670 [ 1177.576661][ T10] addrconf_dad_work+0x10b/0xab0 [ 1177.576661][ T10] process_one_work+0x84d/0x18a0 [ 1177.576661][ T10] worker_thread+0x587/0xd30 [ 1177.576661][ T10] kthread+0x28a/0x350 [ 1177.576661][ T10] ret_from_fork+0x31/0x70 [ 1177.576661][ T10] ret_from_fork_asm+0x1a/0x30 [ 1177.576661][ T10] [ 1177.578745][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1177.578745][ T10] netdev_get_by_index+0x5e/0x80 [ 1177.578745][ T10] fib6_nh_init+0x3d8/0x1580 [ 1177.578745][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1177.578745][ T10] ip6_route_add+0x1c/0x140 [ 1177.578745][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1177.578745][ T10] inet6_addr_add+0x4f8/0xa40 [ 1177.578745][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1177.578745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1177.578745][ T10] netlink_rcv_skb+0x130/0x360 [ 1177.578745][ T10] netlink_unicast+0x449/0x710 [ 1177.578745][ T10] netlink_sendmsg+0x723/0xbe0 [ 1177.578745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1177.578745][ T10] ___sys_sendmsg+0xee/0x170 [ 1177.578745][ T10] __sys_sendmsg+0xcd/0x170 [ 1177.578745][ T10] do_syscall_64+0xc6/0x1e0 [ 1177.578745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1177.578745][ T10] [ 1177.580981][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1177.580981][ T10] netdev_get_by_index+0x5e/0x80 [ 1177.580981][ T10] fib6_nh_init+0x3d8/0x1580 [ 1177.580981][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1177.580981][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1177.580981][ T10] ipv6_add_addr+0x411/0x2000 [ 1177.580981][ T10] inet6_addr_add+0x30e/0xa40 [ 1177.580981][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1177.580981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1177.580981][ T10] netlink_rcv_skb+0x130/0x360 [ 1177.580981][ T10] netlink_unicast+0x449/0x710 [ 1177.580981][ T10] netlink_sendmsg+0x723/0xbe0 [ 1177.580981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1177.580981][ T10] ___sys_sendmsg+0xee/0x170 [ 1177.580981][ T10] __sys_sendmsg+0xcd/0x170 [ 1177.580981][ T10] do_syscall_64+0xc6/0x1e0 [ 1177.580981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1177.580981][ T10] [ 1177.583435][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1177.583435][ T10] netdev_get_by_index+0x5e/0x80 [ 1177.583435][ T10] fib6_nh_init+0x3d8/0x1580 [ 1177.583435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1177.583435][ T10] ip6_route_add+0x1c/0x140 [ 1177.583435][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1177.583435][ T10] addrconf_add_dev+0xe2/0x170 [ 1177.583435][ T10] inet6_addr_add+0x12f/0xa40 [ 1177.583435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1177.583435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1177.583435][ T10] netlink_rcv_skb+0x130/0x360 [ 1177.583435][ T10] netlink_unicast+0x449/0x710 [ 1177.583435][ T10] netlink_sendmsg+0x723/0xbe0 [ 1177.583435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1177.583435][ T10] ___sys_sendmsg+0xee/0x170 [ 1177.583435][ T10] __sys_sendmsg+0xcd/0x170 [ 1177.583435][ T10] do_syscall_64+0xc6/0x1e0 [ 1177.583435][ T10] [ 1177.585733][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1177.585733][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1177.585733][ T10] ipv6_find_idev+0x102/0x170 [ 1177.585733][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1177.585733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1177.585733][ T10] netlink_rcv_skb+0x130/0x360 [ 1177.585733][ T10] netlink_unicast+0x449/0x710 [ 1177.585733][ T10] netlink_sendmsg+0x723/0xbe0 [ 1177.585733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1177.585733][ T10] ___sys_sendmsg+0xee/0x170 [ 1177.585733][ T10] __sys_sendmsg+0xcd/0x170 [ 1177.585733][ T10] do_syscall_64+0xc6/0x1e0 [ 1177.585733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1177.585733][ T10] [ 1177.588072][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1177.588072][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1177.588072][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1177.588072][ T10] ipv6_find_idev+0x102/0x170 [ 1177.588072][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1177.588072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1177.588072][ T10] netlink_rcv_skb+0x130/0x360 [ 1177.588072][ T10] netlink_unicast+0x449/0x710 [ 1177.588072][ T10] netlink_sendmsg+0x723/0xbe0 [ 1177.588072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1177.588072][ T10] ___sys_sendmsg+0xee/0x170 [ 1177.588072][ T10] __sys_sendmsg+0xcd/0x170 [ 1177.588072][ T10] do_syscall_64+0xc6/0x1e0 [ 1177.588072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1177.588072][ T10] [ 1186.305193][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1186.305689][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1186.305689][ T1167] dst_init+0x84/0x4a0 [ 1186.305689][ T1167] dst_alloc+0x97/0x150 [ 1186.305689][ T1167] ip6_dst_alloc+0x23/0x90 [ 1186.305689][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1186.305689][ T1167] ip6_pol_route+0x56f/0x840 [ 1186.305689][ T1167] fib6_rule_lookup+0x334/0x630 [ 1186.305689][ T1167] ip6_route_output_flags+0x259/0x480 [ 1186.305689][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1186.305689][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1186.305689][ T1167] netlink_rcv_skb+0x130/0x360 [ 1186.305689][ T1167] netlink_unicast+0x449/0x710 [ 1186.305689][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1186.305689][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1186.305689][ T1167] ___sys_sendmsg+0xee/0x170 [ 1186.305689][ T1167] __sys_sendmsg+0xcd/0x170 [ 1186.305689][ T1167] do_syscall_64+0xc6/0x1e0 [ 1186.305689][ T1167] [ 1186.308178][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1186.308178][ T1167] netdev_get_by_index+0x5e/0x80 [ 1186.308178][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1186.308178][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1186.308178][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1186.308178][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1186.308178][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1186.308178][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1186.308178][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1186.308178][ T1167] addrconf_dad_begin+0x310/0x670 [ 1186.308178][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1186.308178][ T1167] process_one_work+0x84d/0x18a0 [ 1186.308178][ T1167] worker_thread+0x587/0xd30 [ 1186.308178][ T1167] kthread+0x28a/0x350 [ 1186.308178][ T1167] ret_from_fork+0x31/0x70 [ 1186.308178][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1186.308178][ T1167] [ 1186.310544][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1186.310544][ T1167] netdev_get_by_index+0x5e/0x80 [ 1186.310544][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1186.310544][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1186.310544][ T1167] ip6_route_add+0x1c/0x140 [ 1186.310544][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1186.310544][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1186.310544][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1186.310544][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.310544][ T1167] netlink_rcv_skb+0x130/0x360 [ 1186.310544][ T1167] netlink_unicast+0x449/0x710 [ 1186.310544][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1186.310544][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1186.310544][ T1167] ___sys_sendmsg+0xee/0x170 [ 1186.310544][ T1167] __sys_sendmsg+0xcd/0x170 [ 1186.310544][ T1167] do_syscall_64+0xc6/0x1e0 [ 1186.310544][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1186.310544][ T1167] [ 1186.313055][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1186.313055][ T1167] netdev_get_by_index+0x5e/0x80 [ 1186.313055][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1186.313055][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1186.313055][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1186.313055][ T1167] ipv6_add_addr+0x411/0x2000 [ 1186.313055][ T1167] inet6_addr_add+0x30e/0xa40 [ 1186.313055][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1186.313055][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.313055][ T1167] netlink_rcv_skb+0x130/0x360 [ 1186.313055][ T1167] netlink_unicast+0x449/0x710 [ 1186.313055][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1186.313055][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1186.313055][ T1167] ___sys_sendmsg+0xee/0x170 [ 1186.313055][ T1167] __sys_sendmsg+0xcd/0x170 [ 1186.313055][ T1167] do_syscall_64+0xc6/0x1e0 [ 1186.313055][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1186.313055][ T1167] [ 1186.315541][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1186.315541][ T1167] netdev_get_by_index+0x5e/0x80 [ 1186.315541][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1186.315541][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1186.315541][ T1167] ip6_route_add+0x1c/0x140 [ 1186.315541][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1186.315541][ T1167] addrconf_add_dev+0xe2/0x170 [ 1186.315541][ T1167] inet6_addr_add+0x12f/0xa40 [ 1186.315541][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1186.315541][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.315541][ T1167] netlink_rcv_skb+0x130/0x360 [ 1186.315541][ T1167] netlink_unicast+0x449/0x710 [ 1186.315541][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1186.315541][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1186.315541][ T1167] ___sys_sendmsg+0xee/0x170 [ 1186.315541][ T1167] __sys_sendmsg+0xcd/0x170 [ 1186.315541][ T1167] do_syscall_64+0xc6/0x1e0 [ 1186.315541][ T1167] [ 1186.318047][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1186.318047][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1186.318047][ T1167] ipv6_find_idev+0x102/0x170 [ 1186.318047][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1186.318047][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.318047][ T1167] netlink_rcv_skb+0x130/0x360 [ 1186.318047][ T1167] netlink_unicast+0x449/0x710 [ 1186.318047][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1186.318047][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1186.318047][ T1167] ___sys_sendmsg+0xee/0x170 [ 1186.318047][ T1167] __sys_sendmsg+0xcd/0x170 [ 1186.318047][ T1167] do_syscall_64+0xc6/0x1e0 [ 1186.318047][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1186.318047][ T1167] [ 1186.320019][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1186.320019][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1186.320019][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1186.320019][ T1167] ipv6_find_idev+0x102/0x170 [ 1186.320019][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1186.320019][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.320019][ T1167] netlink_rcv_skb+0x130/0x360 [ 1186.320019][ T1167] netlink_unicast+0x449/0x710 [ 1186.320019][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1186.320019][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1186.320019][ T1167] ___sys_sendmsg+0xee/0x170 [ 1186.320019][ T1167] __sys_sendmsg+0xcd/0x170 [ 1186.320019][ T1167] do_syscall_64+0xc6/0x1e0 [ 1186.320019][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1186.320019][ T1167] [ 1187.841120][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1187.841510][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1187.841510][ T10] netdev_get_by_index+0x5e/0x80 [ 1187.841510][ T10] fib6_nh_init+0x3d8/0x1580 [ 1187.841510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1187.841510][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1187.841510][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1187.841510][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1187.841510][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1187.841510][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1187.841510][ T10] addrconf_dad_begin+0x310/0x670 [ 1187.841510][ T10] addrconf_dad_work+0x10b/0xab0 [ 1187.841510][ T10] process_one_work+0x84d/0x18a0 [ 1187.841510][ T10] worker_thread+0x587/0xd30 [ 1187.841510][ T10] kthread+0x28a/0x350 [ 1187.841510][ T10] ret_from_fork+0x31/0x70 [ 1187.841510][ T10] ret_from_fork_asm+0x1a/0x30 [ 1187.841510][ T10] [ 1187.843517][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1187.843517][ T10] netdev_get_by_index+0x5e/0x80 [ 1187.843517][ T10] fib6_nh_init+0x3d8/0x1580 [ 1187.843517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1187.843517][ T10] ip6_route_add+0x1c/0x140 [ 1187.843517][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1187.843517][ T10] inet6_addr_add+0x4f8/0xa40 [ 1187.843517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1187.843517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1187.843517][ T10] netlink_rcv_skb+0x130/0x360 [ 1187.843517][ T10] netlink_unicast+0x449/0x710 [ 1187.843517][ T10] netlink_sendmsg+0x723/0xbe0 [ 1187.843517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1187.843517][ T10] ___sys_sendmsg+0xee/0x170 [ 1187.843517][ T10] __sys_sendmsg+0xcd/0x170 [ 1187.843517][ T10] do_syscall_64+0xc6/0x1e0 [ 1187.843517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1187.843517][ T10] [ 1187.845541][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1187.845541][ T10] netdev_get_by_index+0x5e/0x80 [ 1187.845541][ T10] fib6_nh_init+0x3d8/0x1580 [ 1187.845541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1187.845541][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1187.845541][ T10] ipv6_add_addr+0x411/0x2000 [ 1187.845541][ T10] inet6_addr_add+0x30e/0xa40 [ 1187.845541][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1187.845541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1187.845541][ T10] netlink_rcv_skb+0x130/0x360 [ 1187.845541][ T10] netlink_unicast+0x449/0x710 [ 1187.845541][ T10] netlink_sendmsg+0x723/0xbe0 [ 1187.845541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1187.845541][ T10] ___sys_sendmsg+0xee/0x170 [ 1187.845541][ T10] __sys_sendmsg+0xcd/0x170 [ 1187.845541][ T10] do_syscall_64+0xc6/0x1e0 [ 1187.845541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1187.845541][ T10] [ 1187.847570][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1187.847570][ T10] netdev_get_by_index+0x5e/0x80 [ 1187.847570][ T10] fib6_nh_init+0x3d8/0x1580 [ 1187.847570][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1187.847570][ T10] ip6_route_add+0x1c/0x140 [ 1187.847570][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1187.847570][ T10] addrconf_add_dev+0xe2/0x170 [ 1187.847570][ T10] inet6_addr_add+0x12f/0xa40 [ 1187.847570][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1187.847570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1187.847570][ T10] netlink_rcv_skb+0x130/0x360 [ 1187.847570][ T10] netlink_unicast+0x449/0x710 [ 1187.847570][ T10] netlink_sendmsg+0x723/0xbe0 [ 1187.847570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1187.847570][ T10] ___sys_sendmsg+0xee/0x170 [ 1187.847570][ T10] __sys_sendmsg+0xcd/0x170 [ 1187.847570][ T10] do_syscall_64+0xc6/0x1e0 [ 1187.847570][ T10] [ 1187.849643][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1187.849643][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1187.849643][ T10] ipv6_find_idev+0x102/0x170 [ 1187.849643][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1187.849643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1187.849643][ T10] netlink_rcv_skb+0x130/0x360 [ 1187.849643][ T10] netlink_unicast+0x449/0x710 [ 1187.849643][ T10] netlink_sendmsg+0x723/0xbe0 [ 1187.849643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1187.849643][ T10] ___sys_sendmsg+0xee/0x170 [ 1187.849643][ T10] __sys_sendmsg+0xcd/0x170 [ 1187.849643][ T10] do_syscall_64+0xc6/0x1e0 [ 1187.849643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1187.849643][ T10] [ 1187.851198][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1187.851198][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1187.851198][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1187.851198][ T10] ipv6_find_idev+0x102/0x170 [ 1187.851198][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1187.851198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1187.851198][ T10] netlink_rcv_skb+0x130/0x360 [ 1187.851198][ T10] netlink_unicast+0x449/0x710 [ 1187.851198][ T10] netlink_sendmsg+0x723/0xbe0 [ 1187.851198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1187.851198][ T10] ___sys_sendmsg+0xee/0x170 [ 1187.851198][ T10] __sys_sendmsg+0xcd/0x170 [ 1187.851198][ T10] do_syscall_64+0xc6/0x1e0 [ 1187.851198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1187.851198][ T10] [ 1187.852933][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1187.853193][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1187.853193][ T10] netdev_get_by_index+0x5e/0x80 [ 1187.853193][ T10] fib6_nh_init+0x3d8/0x1580 [ 1187.853193][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1187.853193][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1187.853193][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1187.853193][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1187.853193][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1187.853193][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1187.853193][ T10] addrconf_dad_begin+0x310/0x670 [ 1187.853193][ T10] addrconf_dad_work+0x10b/0xab0 [ 1187.853193][ T10] process_one_work+0x84d/0x18a0 [ 1187.853193][ T10] worker_thread+0x587/0xd30 [ 1187.853193][ T10] kthread+0x28a/0x350 [ 1187.853193][ T10] ret_from_fork+0x31/0x70 [ 1187.853193][ T10] ret_from_fork_asm+0x1a/0x30 [ 1187.853193][ T10] [ 1187.855111][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1187.855111][ T10] netdev_get_by_index+0x5e/0x80 [ 1187.855111][ T10] fib6_nh_init+0x3d8/0x1580 [ 1187.855111][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1187.855111][ T10] ip6_route_add+0x1c/0x140 [ 1187.855111][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1187.855111][ T10] inet6_addr_add+0x4f8/0xa40 [ 1187.855111][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1187.855111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1187.855111][ T10] netlink_rcv_skb+0x130/0x360 [ 1187.855111][ T10] netlink_unicast+0x449/0x710 [ 1187.855111][ T10] netlink_sendmsg+0x723/0xbe0 [ 1187.855111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1187.855111][ T10] ___sys_sendmsg+0xee/0x170 [ 1187.855111][ T10] __sys_sendmsg+0xcd/0x170 [ 1187.855111][ T10] do_syscall_64+0xc6/0x1e0 [ 1187.855111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1187.855111][ T10] [ 1187.857209][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1187.857209][ T10] netdev_get_by_index+0x5e/0x80 [ 1187.857209][ T10] fib6_nh_init+0x3d8/0x1580 [ 1187.857209][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1187.857209][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1187.857209][ T10] ipv6_add_addr+0x411/0x2000 [ 1187.857209][ T10] inet6_addr_add+0x30e/0xa40 [ 1187.857209][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1187.857209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1187.857209][ T10] netlink_rcv_skb+0x130/0x360 [ 1187.857209][ T10] netlink_unicast+0x449/0x710 [ 1187.857209][ T10] netlink_sendmsg+0x723/0xbe0 [ 1187.857209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1187.857209][ T10] ___sys_sendmsg+0xee/0x170 [ 1187.857209][ T10] __sys_sendmsg+0xcd/0x170 [ 1187.857209][ T10] do_syscall_64+0xc6/0x1e0 [ 1187.857209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1187.857209][ T10] [ 1187.859242][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1187.859242][ T10] netdev_get_by_index+0x5e/0x80 [ 1187.859242][ T10] fib6_nh_init+0x3d8/0x1580 [ 1187.859242][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1187.859242][ T10] ip6_route_add+0x1c/0x140 [ 1187.859242][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1187.859242][ T10] addrconf_add_dev+0xe2/0x170 [ 1187.859242][ T10] inet6_addr_add+0x12f/0xa40 [ 1187.859242][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1187.859242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1187.859242][ T10] netlink_rcv_skb+0x130/0x360 [ 1187.859242][ T10] netlink_unicast+0x449/0x710 [ 1187.859242][ T10] netlink_sendmsg+0x723/0xbe0 [ 1187.859242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1187.859242][ T10] ___sys_sendmsg+0xee/0x170 [ 1187.859242][ T10] __sys_sendmsg+0xcd/0x170 [ 1187.859242][ T10] do_syscall_64+0xc6/0x1e0 [ 1187.859242][ T10] [ 1187.861242][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1187.861242][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1187.861242][ T10] ipv6_find_idev+0x102/0x170 [ 1187.861242][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1187.861242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1187.861242][ T10] netlink_rcv_skb+0x130/0x360 [ 1187.861242][ T10] netlink_unicast+0x449/0x710 [ 1187.861242][ T10] netlink_sendmsg+0x723/0xbe0 [ 1187.861242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1187.861242][ T10] ___sys_sendmsg+0xee/0x170 [ 1187.861242][ T10] __sys_sendmsg+0xcd/0x170 [ 1187.861242][ T10] do_syscall_64+0xc6/0x1e0 [ 1187.861242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1187.861242][ T10] [ 1187.862817][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1187.862817][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1187.862817][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1187.862817][ T10] ipv6_find_idev+0x102/0x170 [ 1187.862817][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1187.862817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1187.862817][ T10] netlink_rcv_skb+0x130/0x360 [ 1187.862817][ T10] netlink_unicast+0x449/0x710 [ 1187.862817][ T10] netlink_sendmsg+0x723/0xbe0 [ 1187.862817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1187.862817][ T10] ___sys_sendmsg+0xee/0x170 [ 1187.862817][ T10] __sys_sendmsg+0xcd/0x170 [ 1187.862817][ T10] do_syscall_64+0xc6/0x1e0 [ 1187.862817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1187.862817][ T10] [ 1187.864519][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1187.864796][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1187.864796][ T10] netdev_get_by_index+0x5e/0x80 [ 1187.864796][ T10] fib6_nh_init+0x3d8/0x1580 [ 1187.864796][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1187.864796][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1187.864796][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1187.864796][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1187.864796][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1187.864796][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1187.864796][ T10] addrconf_dad_begin+0x310/0x670 [ 1187.864796][ T10] addrconf_dad_work+0x10b/0xab0 [ 1187.864796][ T10] process_one_work+0x84d/0x18a0 [ 1187.864796][ T10] worker_thread+0x587/0xd30 [ 1187.864796][ T10] kthread+0x28a/0x350 [ 1187.864796][ T10] ret_from_fork+0x31/0x70 [ 1187.864796][ T10] ret_from_fork_asm+0x1a/0x30 [ 1187.864796][ T10] [ 1187.866730][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1187.866730][ T10] netdev_get_by_index+0x5e/0x80 [ 1187.866730][ T10] fib6_nh_init+0x3d8/0x1580 [ 1187.866730][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1187.866730][ T10] ip6_route_add+0x1c/0x140 [ 1187.866730][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1187.866730][ T10] inet6_addr_add+0x4f8/0xa40 [ 1187.866730][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1187.866730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1187.866730][ T10] netlink_rcv_skb+0x130/0x360 [ 1187.866730][ T10] netlink_unicast+0x449/0x710 [ 1187.866730][ T10] netlink_sendmsg+0x723/0xbe0 [ 1187.866730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1187.866730][ T10] ___sys_sendmsg+0xee/0x170 [ 1187.866730][ T10] __sys_sendmsg+0xcd/0x170 [ 1187.866730][ T10] do_syscall_64+0xc6/0x1e0 [ 1187.866730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1187.866730][ T10] [ 1187.868887][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1187.868887][ T10] netdev_get_by_index+0x5e/0x80 [ 1187.868887][ T10] fib6_nh_init+0x3d8/0x1580 [ 1187.868887][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1187.868887][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1187.868887][ T10] ipv6_add_addr+0x411/0x2000 [ 1187.868887][ T10] inet6_addr_add+0x30e/0xa40 [ 1187.868887][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1187.868887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1187.868887][ T10] netlink_rcv_skb+0x130/0x360 [ 1187.868887][ T10] netlink_unicast+0x449/0x710 [ 1187.868887][ T10] netlink_sendmsg+0x723/0xbe0 [ 1187.868887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1187.868887][ T10] ___sys_sendmsg+0xee/0x170 [ 1187.868887][ T10] __sys_sendmsg+0xcd/0x170 [ 1187.868887][ T10] do_syscall_64+0xc6/0x1e0 [ 1187.868887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1187.868887][ T10] [ 1187.871041][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1187.871041][ T10] netdev_get_by_index+0x5e/0x80 [ 1187.871041][ T10] fib6_nh_init+0x3d8/0x1580 [ 1187.871041][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1187.871041][ T10] ip6_route_add+0x1c/0x140 [ 1187.871041][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1187.871041][ T10] addrconf_add_dev+0xe2/0x170 [ 1187.871041][ T10] inet6_addr_add+0x12f/0xa40 [ 1187.871041][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1187.871041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1187.871041][ T10] netlink_rcv_skb+0x130/0x360 [ 1187.871041][ T10] netlink_unicast+0x449/0x710 [ 1187.871041][ T10] netlink_sendmsg+0x723/0xbe0 [ 1187.871041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1187.871041][ T10] ___sys_sendmsg+0xee/0x170 [ 1187.871041][ T10] __sys_sendmsg+0xcd/0x170 [ 1187.871041][ T10] do_syscall_64+0xc6/0x1e0 [ 1187.871041][ T10] [ 1187.873228][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1187.873228][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1187.873228][ T10] ipv6_find_idev+0x102/0x170 [ 1187.873228][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1187.873228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1187.873228][ T10] netlink_rcv_skb+0x130/0x360 [ 1187.873228][ T10] netlink_unicast+0x449/0x710 [ 1187.873228][ T10] netlink_sendmsg+0x723/0xbe0 [ 1187.873228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1187.873228][ T10] ___sys_sendmsg+0xee/0x170 [ 1187.873228][ T10] __sys_sendmsg+0xcd/0x170 [ 1187.873228][ T10] do_syscall_64+0xc6/0x1e0 [ 1187.873228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1187.873228][ T10] [ 1187.874849][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1187.874849][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1187.874849][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1187.874849][ T10] ipv6_find_idev+0x102/0x170 [ 1187.874849][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1187.874849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1187.874849][ T10] netlink_rcv_skb+0x130/0x360 [ 1187.874849][ T10] netlink_unicast+0x449/0x710 [ 1187.874849][ T10] netlink_sendmsg+0x723/0xbe0 [ 1187.874849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1187.874849][ T10] ___sys_sendmsg+0xee/0x170 [ 1187.874849][ T10] __sys_sendmsg+0xcd/0x170 [ 1187.874849][ T10] do_syscall_64+0xc6/0x1e0 [ 1187.874849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1187.874849][ T10] [ 1187.876698][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1187.876960][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1187.876960][ T10] netdev_get_by_index+0x5e/0x80 [ 1187.876960][ T10] fib6_nh_init+0x3d8/0x1580 [ 1187.876960][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1187.876960][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1187.876960][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1187.876960][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1187.876960][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1187.876960][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1187.876960][ T10] addrconf_dad_begin+0x310/0x670 [ 1187.876960][ T10] addrconf_dad_work+0x10b/0xab0 [ 1187.876960][ T10] process_one_work+0x84d/0x18a0 [ 1187.876960][ T10] worker_thread+0x587/0xd30 [ 1187.876960][ T10] kthread+0x28a/0x350 [ 1187.876960][ T10] ret_from_fork+0x31/0x70 [ 1187.876960][ T10] ret_from_fork_asm+0x1a/0x30 [ 1187.876960][ T10] [ 1187.879036][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1187.879036][ T10] netdev_get_by_index+0x5e/0x80 [ 1187.879036][ T10] fib6_nh_init+0x3d8/0x1580 [ 1187.879036][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1187.879036][ T10] ip6_route_add+0x1c/0x140 [ 1187.879036][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1187.879036][ T10] inet6_addr_add+0x4f8/0xa40 [ 1187.879036][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1187.879036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1187.879036][ T10] netlink_rcv_skb+0x130/0x360 [ 1187.879036][ T10] netlink_unicast+0x449/0x710 [ 1187.879036][ T10] netlink_sendmsg+0x723/0xbe0 [ 1187.879036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1187.879036][ T10] ___sys_sendmsg+0xee/0x170 [ 1187.879036][ T10] __sys_sendmsg+0xcd/0x170 [ 1187.879036][ T10] do_syscall_64+0xc6/0x1e0 [ 1187.879036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1187.879036][ T10] [ 1187.881238][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1187.881238][ T10] netdev_get_by_index+0x5e/0x80 [ 1187.881238][ T10] fib6_nh_init+0x3d8/0x1580 [ 1187.881238][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1187.881238][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1187.881238][ T10] ipv6_add_addr+0x411/0x2000 [ 1187.881238][ T10] inet6_addr_add+0x30e/0xa40 [ 1187.881238][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1187.881238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1187.881238][ T10] netlink_rcv_skb+0x130/0x360 [ 1187.881238][ T10] netlink_unicast+0x449/0x710 [ 1187.881238][ T10] netlink_sendmsg+0x723/0xbe0 [ 1187.881238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1187.881238][ T10] ___sys_sendmsg+0xee/0x170 [ 1187.881238][ T10] __sys_sendmsg+0xcd/0x170 [ 1187.881238][ T10] do_syscall_64+0xc6/0x1e0 [ 1187.881238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1187.881238][ T10] [ 1187.883480][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1187.883480][ T10] netdev_get_by_index+0x5e/0x80 [ 1187.883480][ T10] fib6_nh_init+0x3d8/0x1580 [ 1187.883480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1187.883480][ T10] ip6_route_add+0x1c/0x140 [ 1187.883480][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1187.883480][ T10] addrconf_add_dev+0xe2/0x170 [ 1187.883480][ T10] inet6_addr_add+0x12f/0xa40 [ 1187.883480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1187.883480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1187.883480][ T10] netlink_rcv_skb+0x130/0x360 [ 1187.883480][ T10] netlink_unicast+0x449/0x710 [ 1187.883480][ T10] netlink_sendmsg+0x723/0xbe0 [ 1187.883480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1187.883480][ T10] ___sys_sendmsg+0xee/0x170 [ 1187.883480][ T10] __sys_sendmsg+0xcd/0x170 [ 1187.883480][ T10] do_syscall_64+0xc6/0x1e0 [ 1187.883480][ T10] [ 1187.885626][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1187.885626][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1187.885626][ T10] ipv6_find_idev+0x102/0x170 [ 1187.885626][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1187.885626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1187.885626][ T10] netlink_rcv_skb+0x130/0x360 [ 1187.885626][ T10] netlink_unicast+0x449/0x710 [ 1187.885626][ T10] netlink_sendmsg+0x723/0xbe0 [ 1187.885626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1187.885626][ T10] ___sys_sendmsg+0xee/0x170 [ 1187.885626][ T10] __sys_sendmsg+0xcd/0x170 [ 1187.885626][ T10] do_syscall_64+0xc6/0x1e0 [ 1187.885626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1187.885626][ T10] [ 1187.887259][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1187.887259][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1187.887259][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1187.887259][ T10] ipv6_find_idev+0x102/0x170 [ 1187.887259][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1187.887259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1187.887259][ T10] netlink_rcv_skb+0x130/0x360 [ 1187.887259][ T10] netlink_unicast+0x449/0x710 [ 1187.887259][ T10] netlink_sendmsg+0x723/0xbe0 [ 1187.887259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1187.887259][ T10] ___sys_sendmsg+0xee/0x170 [ 1187.887259][ T10] __sys_sendmsg+0xcd/0x170 [ 1187.887259][ T10] do_syscall_64+0xc6/0x1e0 [ 1187.887259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1187.887259][ T10] [ 1196.393136][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1196.393627][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1196.393627][ T1167] dst_init+0x84/0x4a0 [ 1196.393627][ T1167] dst_alloc+0x97/0x150 [ 1196.393627][ T1167] ip6_dst_alloc+0x23/0x90 [ 1196.393627][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1196.393627][ T1167] ip6_pol_route+0x56f/0x840 [ 1196.393627][ T1167] fib6_rule_lookup+0x334/0x630 [ 1196.393627][ T1167] ip6_route_output_flags+0x259/0x480 [ 1196.393627][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1196.393627][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1196.393627][ T1167] netlink_rcv_skb+0x130/0x360 [ 1196.393627][ T1167] netlink_unicast+0x449/0x710 [ 1196.393627][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1196.393627][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1196.393627][ T1167] ___sys_sendmsg+0xee/0x170 [ 1196.393627][ T1167] __sys_sendmsg+0xcd/0x170 [ 1196.393627][ T1167] do_syscall_64+0xc6/0x1e0 [ 1196.393627][ T1167] [ 1196.396042][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1196.396042][ T1167] netdev_get_by_index+0x5e/0x80 [ 1196.396042][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1196.396042][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1196.396042][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1196.396042][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1196.396042][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1196.396042][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1196.396042][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1196.396042][ T1167] addrconf_dad_begin+0x310/0x670 [ 1196.396042][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1196.396042][ T1167] process_one_work+0x84d/0x18a0 [ 1196.396042][ T1167] worker_thread+0x587/0xd30 [ 1196.396042][ T1167] kthread+0x28a/0x350 [ 1196.396042][ T1167] ret_from_fork+0x31/0x70 [ 1196.396042][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1196.396042][ T1167] [ 1196.398216][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1196.398216][ T1167] netdev_get_by_index+0x5e/0x80 [ 1196.398216][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1196.398216][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1196.398216][ T1167] ip6_route_add+0x1c/0x140 [ 1196.398216][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1196.398216][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1196.398216][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1196.398216][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.398216][ T1167] netlink_rcv_skb+0x130/0x360 [ 1196.398216][ T1167] netlink_unicast+0x449/0x710 [ 1196.398216][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1196.398216][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1196.398216][ T1167] ___sys_sendmsg+0xee/0x170 [ 1196.398216][ T1167] __sys_sendmsg+0xcd/0x170 [ 1196.398216][ T1167] do_syscall_64+0xc6/0x1e0 [ 1196.398216][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.398216][ T1167] [ 1196.400490][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1196.400490][ T1167] netdev_get_by_index+0x5e/0x80 [ 1196.400490][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1196.400490][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1196.400490][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1196.400490][ T1167] ipv6_add_addr+0x411/0x2000 [ 1196.400490][ T1167] inet6_addr_add+0x30e/0xa40 [ 1196.400490][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1196.400490][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.400490][ T1167] netlink_rcv_skb+0x130/0x360 [ 1196.400490][ T1167] netlink_unicast+0x449/0x710 [ 1196.400490][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1196.400490][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1196.400490][ T1167] ___sys_sendmsg+0xee/0x170 [ 1196.400490][ T1167] __sys_sendmsg+0xcd/0x170 [ 1196.400490][ T1167] do_syscall_64+0xc6/0x1e0 [ 1196.400490][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.400490][ T1167] [ 1196.402849][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1196.402849][ T1167] netdev_get_by_index+0x5e/0x80 [ 1196.402849][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1196.402849][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1196.402849][ T1167] ip6_route_add+0x1c/0x140 [ 1196.402849][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1196.402849][ T1167] addrconf_add_dev+0xe2/0x170 [ 1196.402849][ T1167] inet6_addr_add+0x12f/0xa40 [ 1196.402849][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1196.402849][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.402849][ T1167] netlink_rcv_skb+0x130/0x360 [ 1196.402849][ T1167] netlink_unicast+0x449/0x710 [ 1196.402849][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1196.402849][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1196.402849][ T1167] ___sys_sendmsg+0xee/0x170 [ 1196.402849][ T1167] __sys_sendmsg+0xcd/0x170 [ 1196.402849][ T1167] do_syscall_64+0xc6/0x1e0 [ 1196.402849][ T1167] [ 1196.405210][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1196.405210][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1196.405210][ T1167] ipv6_find_idev+0x102/0x170 [ 1196.405210][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1196.405210][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.405210][ T1167] netlink_rcv_skb+0x130/0x360 [ 1196.405210][ T1167] netlink_unicast+0x449/0x710 [ 1196.405210][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1196.405210][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1196.405210][ T1167] ___sys_sendmsg+0xee/0x170 [ 1196.405210][ T1167] __sys_sendmsg+0xcd/0x170 [ 1196.405210][ T1167] do_syscall_64+0xc6/0x1e0 [ 1196.405210][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.405210][ T1167] [ 1196.407056][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1196.407056][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1196.407056][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1196.407056][ T1167] ipv6_find_idev+0x102/0x170 [ 1196.407056][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1196.407056][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.407056][ T1167] netlink_rcv_skb+0x130/0x360 [ 1196.407056][ T1167] netlink_unicast+0x449/0x710 [ 1196.407056][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1196.407056][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1196.407056][ T1167] ___sys_sendmsg+0xee/0x170 [ 1196.407056][ T1167] __sys_sendmsg+0xcd/0x170 [ 1196.407056][ T1167] do_syscall_64+0xc6/0x1e0 [ 1196.407056][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.407056][ T1167] [ 1197.953185][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1197.953593][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1197.953593][ T10] netdev_get_by_index+0x5e/0x80 [ 1197.953593][ T10] fib6_nh_init+0x3d8/0x1580 [ 1197.953593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1197.953593][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1197.953593][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1197.953593][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1197.953593][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1197.953593][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1197.953593][ T10] addrconf_dad_begin+0x310/0x670 [ 1197.953593][ T10] addrconf_dad_work+0x10b/0xab0 [ 1197.953593][ T10] process_one_work+0x84d/0x18a0 [ 1197.953593][ T10] worker_thread+0x587/0xd30 [ 1197.953593][ T10] kthread+0x28a/0x350 [ 1197.953593][ T10] ret_from_fork+0x31/0x70 [ 1197.953593][ T10] ret_from_fork_asm+0x1a/0x30 [ 1197.953593][ T10] [ 1197.955738][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1197.955738][ T10] netdev_get_by_index+0x5e/0x80 [ 1197.955738][ T10] fib6_nh_init+0x3d8/0x1580 [ 1197.955738][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1197.955738][ T10] ip6_route_add+0x1c/0x140 [ 1197.955738][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1197.955738][ T10] inet6_addr_add+0x4f8/0xa40 [ 1197.955738][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1197.955738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1197.955738][ T10] netlink_rcv_skb+0x130/0x360 [ 1197.955738][ T10] netlink_unicast+0x449/0x710 [ 1197.955738][ T10] netlink_sendmsg+0x723/0xbe0 [ 1197.955738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1197.955738][ T10] ___sys_sendmsg+0xee/0x170 [ 1197.955738][ T10] __sys_sendmsg+0xcd/0x170 [ 1197.955738][ T10] do_syscall_64+0xc6/0x1e0 [ 1197.955738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1197.955738][ T10] [ 1197.957936][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1197.957936][ T10] netdev_get_by_index+0x5e/0x80 [ 1197.957936][ T10] fib6_nh_init+0x3d8/0x1580 [ 1197.957936][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1197.957936][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1197.957936][ T10] ipv6_add_addr+0x411/0x2000 [ 1197.957936][ T10] inet6_addr_add+0x30e/0xa40 [ 1197.957936][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1197.957936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1197.957936][ T10] netlink_rcv_skb+0x130/0x360 [ 1197.957936][ T10] netlink_unicast+0x449/0x710 [ 1197.957936][ T10] netlink_sendmsg+0x723/0xbe0 [ 1197.957936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1197.957936][ T10] ___sys_sendmsg+0xee/0x170 [ 1197.957936][ T10] __sys_sendmsg+0xcd/0x170 [ 1197.957936][ T10] do_syscall_64+0xc6/0x1e0 [ 1197.957936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1197.957936][ T10] [ 1197.960148][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1197.960148][ T10] netdev_get_by_index+0x5e/0x80 [ 1197.960148][ T10] fib6_nh_init+0x3d8/0x1580 [ 1197.960148][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1197.960148][ T10] ip6_route_add+0x1c/0x140 [ 1197.960148][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1197.960148][ T10] addrconf_add_dev+0xe2/0x170 [ 1197.960148][ T10] inet6_addr_add+0x12f/0xa40 [ 1197.960148][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1197.960148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1197.960148][ T10] netlink_rcv_skb+0x130/0x360 [ 1197.960148][ T10] netlink_unicast+0x449/0x710 [ 1197.960148][ T10] netlink_sendmsg+0x723/0xbe0 [ 1197.960148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1197.960148][ T10] ___sys_sendmsg+0xee/0x170 [ 1197.960148][ T10] __sys_sendmsg+0xcd/0x170 [ 1197.960148][ T10] do_syscall_64+0xc6/0x1e0 [ 1197.960148][ T10] [ 1197.962327][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1197.962327][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1197.962327][ T10] ipv6_find_idev+0x102/0x170 [ 1197.962327][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1197.962327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1197.962327][ T10] netlink_rcv_skb+0x130/0x360 [ 1197.962327][ T10] netlink_unicast+0x449/0x710 [ 1197.962327][ T10] netlink_sendmsg+0x723/0xbe0 [ 1197.962327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1197.962327][ T10] ___sys_sendmsg+0xee/0x170 [ 1197.962327][ T10] __sys_sendmsg+0xcd/0x170 [ 1197.962327][ T10] do_syscall_64+0xc6/0x1e0 [ 1197.962327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1197.962327][ T10] [ 1197.964043][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1197.964043][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1197.964043][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1197.964043][ T10] ipv6_find_idev+0x102/0x170 [ 1197.964043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1197.964043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1197.964043][ T10] netlink_rcv_skb+0x130/0x360 [ 1197.964043][ T10] netlink_unicast+0x449/0x710 [ 1197.964043][ T10] netlink_sendmsg+0x723/0xbe0 [ 1197.964043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1197.964043][ T10] ___sys_sendmsg+0xee/0x170 [ 1197.964043][ T10] __sys_sendmsg+0xcd/0x170 [ 1197.964043][ T10] do_syscall_64+0xc6/0x1e0 [ 1197.964043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1197.964043][ T10] [ 1197.965938][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1197.966214][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1197.966214][ T10] netdev_get_by_index+0x5e/0x80 [ 1197.966214][ T10] fib6_nh_init+0x3d8/0x1580 [ 1197.966214][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1197.966214][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1197.966214][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1197.966214][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1197.966214][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1197.966214][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1197.966214][ T10] addrconf_dad_begin+0x310/0x670 [ 1197.966214][ T10] addrconf_dad_work+0x10b/0xab0 [ 1197.966214][ T10] process_one_work+0x84d/0x18a0 [ 1197.966214][ T10] worker_thread+0x587/0xd30 [ 1197.966214][ T10] kthread+0x28a/0x350 [ 1197.966214][ T10] ret_from_fork+0x31/0x70 [ 1197.966214][ T10] ret_from_fork_asm+0x1a/0x30 [ 1197.966214][ T10] [ 1197.968350][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1197.968350][ T10] netdev_get_by_index+0x5e/0x80 [ 1197.968350][ T10] fib6_nh_init+0x3d8/0x1580 [ 1197.968350][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1197.968350][ T10] ip6_route_add+0x1c/0x140 [ 1197.968350][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1197.968350][ T10] inet6_addr_add+0x4f8/0xa40 [ 1197.968350][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1197.968350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1197.968350][ T10] netlink_rcv_skb+0x130/0x360 [ 1197.968350][ T10] netlink_unicast+0x449/0x710 [ 1197.968350][ T10] netlink_sendmsg+0x723/0xbe0 [ 1197.968350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1197.968350][ T10] ___sys_sendmsg+0xee/0x170 [ 1197.968350][ T10] __sys_sendmsg+0xcd/0x170 [ 1197.968350][ T10] do_syscall_64+0xc6/0x1e0 [ 1197.968350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1197.968350][ T10] [ 1197.970564][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1197.970564][ T10] netdev_get_by_index+0x5e/0x80 [ 1197.970564][ T10] fib6_nh_init+0x3d8/0x1580 [ 1197.970564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1197.970564][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1197.970564][ T10] ipv6_add_addr+0x411/0x2000 [ 1197.970564][ T10] inet6_addr_add+0x30e/0xa40 [ 1197.970564][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1197.970564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1197.970564][ T10] netlink_rcv_skb+0x130/0x360 [ 1197.970564][ T10] netlink_unicast+0x449/0x710 [ 1197.970564][ T10] netlink_sendmsg+0x723/0xbe0 [ 1197.970564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1197.970564][ T10] ___sys_sendmsg+0xee/0x170 [ 1197.970564][ T10] __sys_sendmsg+0xcd/0x170 [ 1197.970564][ T10] do_syscall_64+0xc6/0x1e0 [ 1197.970564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1197.970564][ T10] [ 1197.972806][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1197.972806][ T10] netdev_get_by_index+0x5e/0x80 [ 1197.972806][ T10] fib6_nh_init+0x3d8/0x1580 [ 1197.972806][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1197.972806][ T10] ip6_route_add+0x1c/0x140 [ 1197.972806][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1197.972806][ T10] addrconf_add_dev+0xe2/0x170 [ 1197.972806][ T10] inet6_addr_add+0x12f/0xa40 [ 1197.972806][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1197.972806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1197.972806][ T10] netlink_rcv_skb+0x130/0x360 [ 1197.972806][ T10] netlink_unicast+0x449/0x710 [ 1197.972806][ T10] netlink_sendmsg+0x723/0xbe0 [ 1197.972806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1197.972806][ T10] ___sys_sendmsg+0xee/0x170 [ 1197.972806][ T10] __sys_sendmsg+0xcd/0x170 [ 1197.972806][ T10] do_syscall_64+0xc6/0x1e0 [ 1197.972806][ T10] [ 1197.974979][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1197.974979][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1197.974979][ T10] ipv6_find_idev+0x102/0x170 [ 1197.974979][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1197.974979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1197.974979][ T10] netlink_rcv_skb+0x130/0x360 [ 1197.974979][ T10] netlink_unicast+0x449/0x710 [ 1197.974979][ T10] netlink_sendmsg+0x723/0xbe0 [ 1197.974979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1197.974979][ T10] ___sys_sendmsg+0xee/0x170 [ 1197.974979][ T10] __sys_sendmsg+0xcd/0x170 [ 1197.974979][ T10] do_syscall_64+0xc6/0x1e0 [ 1197.974979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1197.974979][ T10] [ 1197.976684][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1197.976684][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1197.976684][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1197.976684][ T10] ipv6_find_idev+0x102/0x170 [ 1197.976684][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1197.976684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1197.976684][ T10] netlink_rcv_skb+0x130/0x360 [ 1197.976684][ T10] netlink_unicast+0x449/0x710 [ 1197.976684][ T10] netlink_sendmsg+0x723/0xbe0 [ 1197.976684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1197.976684][ T10] ___sys_sendmsg+0xee/0x170 [ 1197.976684][ T10] __sys_sendmsg+0xcd/0x170 [ 1197.976684][ T10] do_syscall_64+0xc6/0x1e0 [ 1197.976684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1197.976684][ T10] [ 1197.978549][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1197.978810][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1197.978810][ T10] netdev_get_by_index+0x5e/0x80 [ 1197.978810][ T10] fib6_nh_init+0x3d8/0x1580 [ 1197.978810][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1197.978810][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1197.978810][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1197.978810][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1197.978810][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1197.978810][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1197.978810][ T10] addrconf_dad_begin+0x310/0x670 [ 1197.978810][ T10] addrconf_dad_work+0x10b/0xab0 [ 1197.978810][ T10] process_one_work+0x84d/0x18a0 [ 1197.978810][ T10] worker_thread+0x587/0xd30 [ 1197.978810][ T10] kthread+0x28a/0x350 [ 1197.978810][ T10] ret_from_fork+0x31/0x70 [ 1197.978810][ T10] ret_from_fork_asm+0x1a/0x30 [ 1197.978810][ T10] [ 1197.980930][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1197.980930][ T10] netdev_get_by_index+0x5e/0x80 [ 1197.980930][ T10] fib6_nh_init+0x3d8/0x1580 [ 1197.980930][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1197.980930][ T10] ip6_route_add+0x1c/0x140 [ 1197.980930][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1197.980930][ T10] inet6_addr_add+0x4f8/0xa40 [ 1197.980930][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1197.980930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1197.980930][ T10] netlink_rcv_skb+0x130/0x360 [ 1197.980930][ T10] netlink_unicast+0x449/0x710 [ 1197.980930][ T10] netlink_sendmsg+0x723/0xbe0 [ 1197.980930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1197.980930][ T10] ___sys_sendmsg+0xee/0x170 [ 1197.980930][ T10] __sys_sendmsg+0xcd/0x170 [ 1197.980930][ T10] do_syscall_64+0xc6/0x1e0 [ 1197.980930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1197.980930][ T10] [ 1197.983333][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1197.983333][ T10] netdev_get_by_index+0x5e/0x80 [ 1197.983333][ T10] fib6_nh_init+0x3d8/0x1580 [ 1197.983333][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1197.983333][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1197.983333][ T10] ipv6_add_addr+0x411/0x2000 [ 1197.983333][ T10] inet6_addr_add+0x30e/0xa40 [ 1197.983333][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1197.983333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1197.983333][ T10] netlink_rcv_skb+0x130/0x360 [ 1197.983333][ T10] netlink_unicast+0x449/0x710 [ 1197.983333][ T10] netlink_sendmsg+0x723/0xbe0 [ 1197.983333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1197.983333][ T10] ___sys_sendmsg+0xee/0x170 [ 1197.983333][ T10] __sys_sendmsg+0xcd/0x170 [ 1197.983333][ T10] do_syscall_64+0xc6/0x1e0 [ 1197.983333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1197.983333][ T10] [ 1197.985847][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1197.985847][ T10] netdev_get_by_index+0x5e/0x80 [ 1197.985847][ T10] fib6_nh_init+0x3d8/0x1580 [ 1197.985847][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1197.985847][ T10] ip6_route_add+0x1c/0x140 [ 1197.985847][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1197.985847][ T10] addrconf_add_dev+0xe2/0x170 [ 1197.985847][ T10] inet6_addr_add+0x12f/0xa40 [ 1197.985847][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1197.985847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1197.985847][ T10] netlink_rcv_skb+0x130/0x360 [ 1197.985847][ T10] netlink_unicast+0x449/0x710 [ 1197.985847][ T10] netlink_sendmsg+0x723/0xbe0 [ 1197.985847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1197.985847][ T10] ___sys_sendmsg+0xee/0x170 [ 1197.985847][ T10] __sys_sendmsg+0xcd/0x170 [ 1197.985847][ T10] do_syscall_64+0xc6/0x1e0 [ 1197.985847][ T10] [ 1197.988277][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1197.988277][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1197.988277][ T10] ipv6_find_idev+0x102/0x170 [ 1197.988277][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1197.988277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1197.988277][ T10] netlink_rcv_skb+0x130/0x360 [ 1197.988277][ T10] netlink_unicast+0x449/0x710 [ 1197.988277][ T10] netlink_sendmsg+0x723/0xbe0 [ 1197.988277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1197.988277][ T10] ___sys_sendmsg+0xee/0x170 [ 1197.988277][ T10] __sys_sendmsg+0xcd/0x170 [ 1197.988277][ T10] do_syscall_64+0xc6/0x1e0 [ 1197.988277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1197.988277][ T10] [ 1197.990174][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1197.990174][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1197.990174][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1197.990174][ T10] ipv6_find_idev+0x102/0x170 [ 1197.990174][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1197.990174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1197.990174][ T10] netlink_rcv_skb+0x130/0x360 [ 1197.990174][ T10] netlink_unicast+0x449/0x710 [ 1197.990174][ T10] netlink_sendmsg+0x723/0xbe0 [ 1197.990174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1197.990174][ T10] ___sys_sendmsg+0xee/0x170 [ 1197.990174][ T10] __sys_sendmsg+0xcd/0x170 [ 1197.990174][ T10] do_syscall_64+0xc6/0x1e0 [ 1197.990174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1197.990174][ T10] [ 1197.992236][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1197.992490][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1197.992490][ T10] netdev_get_by_index+0x5e/0x80 [ 1197.992490][ T10] fib6_nh_init+0x3d8/0x1580 [ 1197.992490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1197.992490][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1197.992490][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1197.992490][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1197.992490][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1197.992490][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1197.992490][ T10] addrconf_dad_begin+0x310/0x670 [ 1197.992490][ T10] addrconf_dad_work+0x10b/0xab0 [ 1197.992490][ T10] process_one_work+0x84d/0x18a0 [ 1197.992490][ T10] worker_thread+0x587/0xd30 [ 1197.992490][ T10] kthread+0x28a/0x350 [ 1197.992490][ T10] ret_from_fork+0x31/0x70 [ 1197.992490][ T10] ret_from_fork_asm+0x1a/0x30 [ 1197.992490][ T10] [ 1197.994858][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1197.994858][ T10] netdev_get_by_index+0x5e/0x80 [ 1197.994858][ T10] fib6_nh_init+0x3d8/0x1580 [ 1197.994858][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1197.994858][ T10] ip6_route_add+0x1c/0x140 [ 1197.994858][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1197.994858][ T10] inet6_addr_add+0x4f8/0xa40 [ 1197.994858][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1197.994858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1197.994858][ T10] netlink_rcv_skb+0x130/0x360 [ 1197.994858][ T10] netlink_unicast+0x449/0x710 [ 1197.994858][ T10] netlink_sendmsg+0x723/0xbe0 [ 1197.994858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1197.994858][ T10] ___sys_sendmsg+0xee/0x170 [ 1197.994858][ T10] __sys_sendmsg+0xcd/0x170 [ 1197.994858][ T10] do_syscall_64+0xc6/0x1e0 [ 1197.994858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1197.994858][ T10] [ 1197.997298][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1197.997298][ T10] netdev_get_by_index+0x5e/0x80 [ 1197.997298][ T10] fib6_nh_init+0x3d8/0x1580 [ 1197.997298][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1197.997298][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1197.997298][ T10] ipv6_add_addr+0x411/0x2000 [ 1197.997298][ T10] inet6_addr_add+0x30e/0xa40 [ 1197.997298][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1197.997298][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1197.997298][ T10] netlink_rcv_skb+0x130/0x360 [ 1197.997298][ T10] netlink_unicast+0x449/0x710 [ 1197.997298][ T10] netlink_sendmsg+0x723/0xbe0 [ 1197.997298][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1197.997298][ T10] ___sys_sendmsg+0xee/0x170 [ 1197.997298][ T10] __sys_sendmsg+0xcd/0x170 [ 1197.997298][ T10] do_syscall_64+0xc6/0x1e0 [ 1197.997298][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1197.997298][ T10] [ 1197.999753][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1197.999753][ T10] netdev_get_by_index+0x5e/0x80 [ 1197.999753][ T10] fib6_nh_init+0x3d8/0x1580 [ 1197.999753][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1197.999753][ T10] ip6_route_add+0x1c/0x140 [ 1197.999753][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1197.999753][ T10] addrconf_add_dev+0xe2/0x170 [ 1197.999753][ T10] inet6_addr_add+0x12f/0xa40 [ 1197.999753][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1197.999753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1197.999753][ T10] netlink_rcv_skb+0x130/0x360 [ 1197.999753][ T10] netlink_unicast+0x449/0x710 [ 1197.999753][ T10] netlink_sendmsg+0x723/0xbe0 [ 1197.999753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1197.999753][ T10] ___sys_sendmsg+0xee/0x170 [ 1197.999753][ T10] __sys_sendmsg+0xcd/0x170 [ 1197.999753][ T10] do_syscall_64+0xc6/0x1e0 [ 1197.999753][ T10] [ 1198.002125][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1198.002125][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1198.002125][ T10] ipv6_find_idev+0x102/0x170 [ 1198.002125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1198.002125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1198.002125][ T10] netlink_rcv_skb+0x130/0x360 [ 1198.002125][ T10] netlink_unicast+0x449/0x710 [ 1198.002125][ T10] netlink_sendmsg+0x723/0xbe0 [ 1198.002125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1198.002125][ T10] ___sys_sendmsg+0xee/0x170 [ 1198.002125][ T10] __sys_sendmsg+0xcd/0x170 [ 1198.002125][ T10] do_syscall_64+0xc6/0x1e0 [ 1198.002125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1198.002125][ T10] [ 1198.004024][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1198.004024][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1198.004024][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1198.004024][ T10] ipv6_find_idev+0x102/0x170 [ 1198.004024][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1198.004024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1198.004024][ T10] netlink_rcv_skb+0x130/0x360 [ 1198.004024][ T10] netlink_unicast+0x449/0x710 [ 1198.004024][ T10] netlink_sendmsg+0x723/0xbe0 [ 1198.004024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1198.004024][ T10] ___sys_sendmsg+0xee/0x170 [ 1198.004024][ T10] __sys_sendmsg+0xcd/0x170 [ 1198.004024][ T10] do_syscall_64+0xc6/0x1e0 [ 1198.004024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1198.004024][ T10] [ 1206.849263][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1206.849718][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1206.849718][ T1167] dst_init+0x84/0x4a0 [ 1206.849718][ T1167] dst_alloc+0x97/0x150 [ 1206.849718][ T1167] ip6_dst_alloc+0x23/0x90 [ 1206.849718][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1206.849718][ T1167] ip6_pol_route+0x56f/0x840 [ 1206.849718][ T1167] fib6_rule_lookup+0x334/0x630 [ 1206.849718][ T1167] ip6_route_output_flags+0x259/0x480 [ 1206.849718][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1206.849718][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1206.849718][ T1167] netlink_rcv_skb+0x130/0x360 [ 1206.849718][ T1167] netlink_unicast+0x449/0x710 [ 1206.849718][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1206.849718][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1206.849718][ T1167] ___sys_sendmsg+0xee/0x170 [ 1206.849718][ T1167] __sys_sendmsg+0xcd/0x170 [ 1206.849718][ T1167] do_syscall_64+0xc6/0x1e0 [ 1206.849718][ T1167] [ 1206.852157][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1206.852157][ T1167] netdev_get_by_index+0x5e/0x80 [ 1206.852157][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1206.852157][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1206.852157][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1206.852157][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1206.852157][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1206.852157][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1206.852157][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1206.852157][ T1167] addrconf_dad_begin+0x310/0x670 [ 1206.852157][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1206.852157][ T1167] process_one_work+0x84d/0x18a0 [ 1206.852157][ T1167] worker_thread+0x587/0xd30 [ 1206.852157][ T1167] kthread+0x28a/0x350 [ 1206.852157][ T1167] ret_from_fork+0x31/0x70 [ 1206.852157][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1206.852157][ T1167] [ 1206.854537][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1206.854537][ T1167] netdev_get_by_index+0x5e/0x80 [ 1206.854537][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1206.854537][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1206.854537][ T1167] ip6_route_add+0x1c/0x140 [ 1206.854537][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1206.854537][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1206.854537][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1206.854537][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.854537][ T1167] netlink_rcv_skb+0x130/0x360 [ 1206.854537][ T1167] netlink_unicast+0x449/0x710 [ 1206.854537][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1206.854537][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1206.854537][ T1167] ___sys_sendmsg+0xee/0x170 [ 1206.854537][ T1167] __sys_sendmsg+0xcd/0x170 [ 1206.854537][ T1167] do_syscall_64+0xc6/0x1e0 [ 1206.854537][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.854537][ T1167] [ 1206.857016][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1206.857016][ T1167] netdev_get_by_index+0x5e/0x80 [ 1206.857016][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1206.857016][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1206.857016][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1206.857016][ T1167] ipv6_add_addr+0x411/0x2000 [ 1206.857016][ T1167] inet6_addr_add+0x30e/0xa40 [ 1206.857016][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1206.857016][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.857016][ T1167] netlink_rcv_skb+0x130/0x360 [ 1206.857016][ T1167] netlink_unicast+0x449/0x710 [ 1206.857016][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1206.857016][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1206.857016][ T1167] ___sys_sendmsg+0xee/0x170 [ 1206.857016][ T1167] __sys_sendmsg+0xcd/0x170 [ 1206.857016][ T1167] do_syscall_64+0xc6/0x1e0 [ 1206.857016][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.857016][ T1167] [ 1206.859506][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1206.859506][ T1167] netdev_get_by_index+0x5e/0x80 [ 1206.859506][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1206.859506][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1206.859506][ T1167] ip6_route_add+0x1c/0x140 [ 1206.859506][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1206.859506][ T1167] addrconf_add_dev+0xe2/0x170 [ 1206.859506][ T1167] inet6_addr_add+0x12f/0xa40 [ 1206.859506][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1206.859506][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.859506][ T1167] netlink_rcv_skb+0x130/0x360 [ 1206.859506][ T1167] netlink_unicast+0x449/0x710 [ 1206.859506][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1206.859506][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1206.859506][ T1167] ___sys_sendmsg+0xee/0x170 [ 1206.859506][ T1167] __sys_sendmsg+0xcd/0x170 [ 1206.859506][ T1167] do_syscall_64+0xc6/0x1e0 [ 1206.859506][ T1167] [ 1206.861958][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1206.861958][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1206.861958][ T1167] ipv6_find_idev+0x102/0x170 [ 1206.861958][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1206.861958][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.861958][ T1167] netlink_rcv_skb+0x130/0x360 [ 1206.861958][ T1167] netlink_unicast+0x449/0x710 [ 1206.861958][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1206.861958][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1206.861958][ T1167] ___sys_sendmsg+0xee/0x170 [ 1206.861958][ T1167] __sys_sendmsg+0xcd/0x170 [ 1206.861958][ T1167] do_syscall_64+0xc6/0x1e0 [ 1206.861958][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.861958][ T1167] [ 1206.863887][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1206.863887][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1206.863887][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1206.863887][ T1167] ipv6_find_idev+0x102/0x170 [ 1206.863887][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1206.863887][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.863887][ T1167] netlink_rcv_skb+0x130/0x360 [ 1206.863887][ T1167] netlink_unicast+0x449/0x710 [ 1206.863887][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1206.863887][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1206.863887][ T1167] ___sys_sendmsg+0xee/0x170 [ 1206.863887][ T1167] __sys_sendmsg+0xcd/0x170 [ 1206.863887][ T1167] do_syscall_64+0xc6/0x1e0 [ 1206.863887][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.863887][ T1167] [ 1208.129157][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1208.129541][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1208.129541][ T10] netdev_get_by_index+0x5e/0x80 [ 1208.129541][ T10] fib6_nh_init+0x3d8/0x1580 [ 1208.129541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1208.129541][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1208.129541][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1208.129541][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1208.129541][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1208.129541][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1208.129541][ T10] addrconf_dad_begin+0x310/0x670 [ 1208.129541][ T10] addrconf_dad_work+0x10b/0xab0 [ 1208.129541][ T10] process_one_work+0x84d/0x18a0 [ 1208.129541][ T10] worker_thread+0x587/0xd30 [ 1208.129541][ T10] kthread+0x28a/0x350 [ 1208.129541][ T10] ret_from_fork+0x31/0x70 [ 1208.129541][ T10] ret_from_fork_asm+0x1a/0x30 [ 1208.129541][ T10] [ 1208.131757][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1208.131757][ T10] netdev_get_by_index+0x5e/0x80 [ 1208.131757][ T10] fib6_nh_init+0x3d8/0x1580 [ 1208.131757][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1208.131757][ T10] ip6_route_add+0x1c/0x140 [ 1208.131757][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1208.131757][ T10] inet6_addr_add+0x4f8/0xa40 [ 1208.131757][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1208.131757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.131757][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.131757][ T10] netlink_unicast+0x449/0x710 [ 1208.131757][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.131757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.131757][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.131757][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.131757][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.131757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.131757][ T10] [ 1208.134049][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1208.134049][ T10] netdev_get_by_index+0x5e/0x80 [ 1208.134049][ T10] fib6_nh_init+0x3d8/0x1580 [ 1208.134049][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1208.134049][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1208.134049][ T10] ipv6_add_addr+0x411/0x2000 [ 1208.134049][ T10] inet6_addr_add+0x30e/0xa40 [ 1208.134049][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1208.134049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.134049][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.134049][ T10] netlink_unicast+0x449/0x710 [ 1208.134049][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.134049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.134049][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.134049][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.134049][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.134049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.134049][ T10] [ 1208.136326][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1208.136326][ T10] netdev_get_by_index+0x5e/0x80 [ 1208.136326][ T10] fib6_nh_init+0x3d8/0x1580 [ 1208.136326][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1208.136326][ T10] ip6_route_add+0x1c/0x140 [ 1208.136326][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1208.136326][ T10] addrconf_add_dev+0xe2/0x170 [ 1208.136326][ T10] inet6_addr_add+0x12f/0xa40 [ 1208.136326][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1208.136326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.136326][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.136326][ T10] netlink_unicast+0x449/0x710 [ 1208.136326][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.136326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.136326][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.136326][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.136326][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.136326][ T10] [ 1208.138528][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1208.138528][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1208.138528][ T10] ipv6_find_idev+0x102/0x170 [ 1208.138528][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1208.138528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.138528][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.138528][ T10] netlink_unicast+0x449/0x710 [ 1208.138528][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.138528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.138528][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.138528][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.138528][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.138528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.138528][ T10] [ 1208.140274][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1208.140274][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1208.140274][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1208.140274][ T10] ipv6_find_idev+0x102/0x170 [ 1208.140274][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1208.140274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.140274][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.140274][ T10] netlink_unicast+0x449/0x710 [ 1208.140274][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.140274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.140274][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.140274][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.140274][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.140274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.140274][ T10] [ 1208.142207][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1208.142479][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1208.142479][ T10] netdev_get_by_index+0x5e/0x80 [ 1208.142479][ T10] fib6_nh_init+0x3d8/0x1580 [ 1208.142479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1208.142479][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1208.142479][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1208.142479][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1208.142479][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1208.142479][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1208.142479][ T10] addrconf_dad_begin+0x310/0x670 [ 1208.142479][ T10] addrconf_dad_work+0x10b/0xab0 [ 1208.142479][ T10] process_one_work+0x84d/0x18a0 [ 1208.142479][ T10] worker_thread+0x587/0xd30 [ 1208.142479][ T10] kthread+0x28a/0x350 [ 1208.142479][ T10] ret_from_fork+0x31/0x70 [ 1208.142479][ T10] ret_from_fork_asm+0x1a/0x30 [ 1208.142479][ T10] [ 1208.144627][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1208.144627][ T10] netdev_get_by_index+0x5e/0x80 [ 1208.144627][ T10] fib6_nh_init+0x3d8/0x1580 [ 1208.144627][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1208.144627][ T10] ip6_route_add+0x1c/0x140 [ 1208.144627][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1208.144627][ T10] inet6_addr_add+0x4f8/0xa40 [ 1208.144627][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1208.144627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.144627][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.144627][ T10] netlink_unicast+0x449/0x710 [ 1208.144627][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.144627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.144627][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.144627][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.144627][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.144627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.144627][ T10] [ 1208.146870][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1208.146870][ T10] netdev_get_by_index+0x5e/0x80 [ 1208.146870][ T10] fib6_nh_init+0x3d8/0x1580 [ 1208.146870][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1208.146870][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1208.146870][ T10] ipv6_add_addr+0x411/0x2000 [ 1208.146870][ T10] inet6_addr_add+0x30e/0xa40 [ 1208.146870][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1208.146870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.146870][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.146870][ T10] netlink_unicast+0x449/0x710 [ 1208.146870][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.146870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.146870][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.146870][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.146870][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.146870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.146870][ T10] [ 1208.149143][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1208.149143][ T10] netdev_get_by_index+0x5e/0x80 [ 1208.149143][ T10] fib6_nh_init+0x3d8/0x1580 [ 1208.149143][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1208.149143][ T10] ip6_route_add+0x1c/0x140 [ 1208.149143][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1208.149143][ T10] addrconf_add_dev+0xe2/0x170 [ 1208.149143][ T10] inet6_addr_add+0x12f/0xa40 [ 1208.149143][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1208.149143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.149143][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.149143][ T10] netlink_unicast+0x449/0x710 [ 1208.149143][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.149143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.149143][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.149143][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.149143][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.149143][ T10] [ 1208.151363][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1208.151363][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1208.151363][ T10] ipv6_find_idev+0x102/0x170 [ 1208.151363][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1208.151363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.151363][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.151363][ T10] netlink_unicast+0x449/0x710 [ 1208.151363][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.151363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.151363][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.151363][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.151363][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.151363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.151363][ T10] [ 1208.153136][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1208.153136][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1208.153136][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1208.153136][ T10] ipv6_find_idev+0x102/0x170 [ 1208.153136][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1208.153136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.153136][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.153136][ T10] netlink_unicast+0x449/0x710 [ 1208.153136][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.153136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.153136][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.153136][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.153136][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.153136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.153136][ T10] [ 1208.155069][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1208.155343][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1208.155343][ T10] netdev_get_by_index+0x5e/0x80 [ 1208.155343][ T10] fib6_nh_init+0x3d8/0x1580 [ 1208.155343][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1208.155343][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1208.155343][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1208.155343][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1208.155343][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1208.155343][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1208.155343][ T10] addrconf_dad_begin+0x310/0x670 [ 1208.155343][ T10] addrconf_dad_work+0x10b/0xab0 [ 1208.155343][ T10] process_one_work+0x84d/0x18a0 [ 1208.155343][ T10] worker_thread+0x587/0xd30 [ 1208.155343][ T10] kthread+0x28a/0x350 [ 1208.155343][ T10] ret_from_fork+0x31/0x70 [ 1208.155343][ T10] ret_from_fork_asm+0x1a/0x30 [ 1208.155343][ T10] [ 1208.157512][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1208.157512][ T10] netdev_get_by_index+0x5e/0x80 [ 1208.157512][ T10] fib6_nh_init+0x3d8/0x1580 [ 1208.157512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1208.157512][ T10] ip6_route_add+0x1c/0x140 [ 1208.157512][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1208.157512][ T10] inet6_addr_add+0x4f8/0xa40 [ 1208.157512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1208.157512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.157512][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.157512][ T10] netlink_unicast+0x449/0x710 [ 1208.157512][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.157512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.157512][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.157512][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.157512][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.157512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.157512][ T10] [ 1208.159972][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1208.159972][ T10] netdev_get_by_index+0x5e/0x80 [ 1208.159972][ T10] fib6_nh_init+0x3d8/0x1580 [ 1208.159972][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1208.159972][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1208.159972][ T10] ipv6_add_addr+0x411/0x2000 [ 1208.159972][ T10] inet6_addr_add+0x30e/0xa40 [ 1208.159972][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1208.159972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.159972][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.159972][ T10] netlink_unicast+0x449/0x710 [ 1208.159972][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.159972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.159972][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.159972][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.159972][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.159972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.159972][ T10] [ 1208.162511][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1208.162511][ T10] netdev_get_by_index+0x5e/0x80 [ 1208.162511][ T10] fib6_nh_init+0x3d8/0x1580 [ 1208.162511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1208.162511][ T10] ip6_route_add+0x1c/0x140 [ 1208.162511][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1208.162511][ T10] addrconf_add_dev+0xe2/0x170 [ 1208.162511][ T10] inet6_addr_add+0x12f/0xa40 [ 1208.162511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1208.162511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.162511][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.162511][ T10] netlink_unicast+0x449/0x710 [ 1208.162511][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.162511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.162511][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.162511][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.162511][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.162511][ T10] [ 1208.164964][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1208.164964][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1208.164964][ T10] ipv6_find_idev+0x102/0x170 [ 1208.164964][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1208.164964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.164964][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.164964][ T10] netlink_unicast+0x449/0x710 [ 1208.164964][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.164964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.164964][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.164964][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.164964][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.164964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.164964][ T10] [ 1208.166874][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1208.166874][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1208.166874][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1208.166874][ T10] ipv6_find_idev+0x102/0x170 [ 1208.166874][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1208.166874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.166874][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.166874][ T10] netlink_unicast+0x449/0x710 [ 1208.166874][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.166874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.166874][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.166874][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.166874][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.166874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.166874][ T10] [ 1208.169039][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1208.169308][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1208.169308][ T10] netdev_get_by_index+0x5e/0x80 [ 1208.169308][ T10] fib6_nh_init+0x3d8/0x1580 [ 1208.169308][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1208.169308][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1208.169308][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1208.169308][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1208.169308][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1208.169308][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1208.169308][ T10] addrconf_dad_begin+0x310/0x670 [ 1208.169308][ T10] addrconf_dad_work+0x10b/0xab0 [ 1208.169308][ T10] process_one_work+0x84d/0x18a0 [ 1208.169308][ T10] worker_thread+0x587/0xd30 [ 1208.169308][ T10] kthread+0x28a/0x350 [ 1208.169308][ T10] ret_from_fork+0x31/0x70 [ 1208.169308][ T10] ret_from_fork_asm+0x1a/0x30 [ 1208.169308][ T10] [ 1208.171722][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1208.171722][ T10] netdev_get_by_index+0x5e/0x80 [ 1208.171722][ T10] fib6_nh_init+0x3d8/0x1580 [ 1208.171722][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1208.171722][ T10] ip6_route_add+0x1c/0x140 [ 1208.171722][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1208.171722][ T10] inet6_addr_add+0x4f8/0xa40 [ 1208.171722][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1208.171722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.171722][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.171722][ T10] netlink_unicast+0x449/0x710 [ 1208.171722][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.171722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.171722][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.171722][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.171722][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.171722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.171722][ T10] [ 1208.174253][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1208.174253][ T10] netdev_get_by_index+0x5e/0x80 [ 1208.174253][ T10] fib6_nh_init+0x3d8/0x1580 [ 1208.174253][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1208.174253][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1208.174253][ T10] ipv6_add_addr+0x411/0x2000 [ 1208.174253][ T10] inet6_addr_add+0x30e/0xa40 [ 1208.174253][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1208.174253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.174253][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.174253][ T10] netlink_unicast+0x449/0x710 [ 1208.174253][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.174253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.174253][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.174253][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.174253][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.174253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.174253][ T10] [ 1208.176765][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1208.176765][ T10] netdev_get_by_index+0x5e/0x80 [ 1208.176765][ T10] fib6_nh_init+0x3d8/0x1580 [ 1208.176765][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1208.176765][ T10] ip6_route_add+0x1c/0x140 [ 1208.176765][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1208.176765][ T10] addrconf_add_dev+0xe2/0x170 [ 1208.176765][ T10] inet6_addr_add+0x12f/0xa40 [ 1208.176765][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1208.176765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.176765][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.176765][ T10] netlink_unicast+0x449/0x710 [ 1208.176765][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.176765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.176765][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.176765][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.176765][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.176765][ T10] [ 1208.179303][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1208.179303][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1208.179303][ T10] ipv6_find_idev+0x102/0x170 [ 1208.179303][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1208.179303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.179303][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.179303][ T10] netlink_unicast+0x449/0x710 [ 1208.179303][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.179303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.179303][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.179303][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.179303][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.179303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.179303][ T10] [ 1208.181182][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1208.181182][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1208.181182][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1208.181182][ T10] ipv6_find_idev+0x102/0x170 [ 1208.181182][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1208.181182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.181182][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.181182][ T10] netlink_unicast+0x449/0x710 [ 1208.181182][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.181182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.181182][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.181182][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.181182][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.181182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.181182][ T10] [ 1217.113116][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1217.113555][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1217.113555][ T1167] dst_init+0x84/0x4a0 [ 1217.113555][ T1167] dst_alloc+0x97/0x150 [ 1217.113555][ T1167] ip6_dst_alloc+0x23/0x90 [ 1217.113555][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1217.113555][ T1167] ip6_pol_route+0x56f/0x840 [ 1217.113555][ T1167] fib6_rule_lookup+0x334/0x630 [ 1217.113555][ T1167] ip6_route_output_flags+0x259/0x480 [ 1217.113555][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1217.113555][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1217.113555][ T1167] netlink_rcv_skb+0x130/0x360 [ 1217.113555][ T1167] netlink_unicast+0x449/0x710 [ 1217.113555][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1217.113555][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1217.113555][ T1167] ___sys_sendmsg+0xee/0x170 [ 1217.113555][ T1167] __sys_sendmsg+0xcd/0x170 [ 1217.113555][ T1167] do_syscall_64+0xc6/0x1e0 [ 1217.113555][ T1167] [ 1217.116004][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1217.116004][ T1167] netdev_get_by_index+0x5e/0x80 [ 1217.116004][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1217.116004][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1217.116004][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1217.116004][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1217.116004][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1217.116004][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1217.116004][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1217.116004][ T1167] addrconf_dad_begin+0x310/0x670 [ 1217.116004][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1217.116004][ T1167] process_one_work+0x84d/0x18a0 [ 1217.116004][ T1167] worker_thread+0x587/0xd30 [ 1217.116004][ T1167] kthread+0x28a/0x350 [ 1217.116004][ T1167] ret_from_fork+0x31/0x70 [ 1217.116004][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1217.116004][ T1167] [ 1217.118369][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1217.118369][ T1167] netdev_get_by_index+0x5e/0x80 [ 1217.118369][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1217.118369][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1217.118369][ T1167] ip6_route_add+0x1c/0x140 [ 1217.118369][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1217.118369][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1217.118369][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1217.118369][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1217.118369][ T1167] netlink_rcv_skb+0x130/0x360 [ 1217.118369][ T1167] netlink_unicast+0x449/0x710 [ 1217.118369][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1217.118369][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1217.118369][ T1167] ___sys_sendmsg+0xee/0x170 [ 1217.118369][ T1167] __sys_sendmsg+0xcd/0x170 [ 1217.118369][ T1167] do_syscall_64+0xc6/0x1e0 [ 1217.118369][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1217.118369][ T1167] [ 1217.120823][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1217.120823][ T1167] netdev_get_by_index+0x5e/0x80 [ 1217.120823][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1217.120823][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1217.120823][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1217.120823][ T1167] ipv6_add_addr+0x411/0x2000 [ 1217.120823][ T1167] inet6_addr_add+0x30e/0xa40 [ 1217.120823][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1217.120823][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1217.120823][ T1167] netlink_rcv_skb+0x130/0x360 [ 1217.120823][ T1167] netlink_unicast+0x449/0x710 [ 1217.120823][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1217.120823][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1217.120823][ T1167] ___sys_sendmsg+0xee/0x170 [ 1217.120823][ T1167] __sys_sendmsg+0xcd/0x170 [ 1217.120823][ T1167] do_syscall_64+0xc6/0x1e0 [ 1217.120823][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1217.120823][ T1167] [ 1217.123303][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1217.123303][ T1167] netdev_get_by_index+0x5e/0x80 [ 1217.123303][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1217.123303][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1217.123303][ T1167] ip6_route_add+0x1c/0x140 [ 1217.123303][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1217.123303][ T1167] addrconf_add_dev+0xe2/0x170 [ 1217.123303][ T1167] inet6_addr_add+0x12f/0xa40 [ 1217.123303][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1217.123303][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1217.123303][ T1167] netlink_rcv_skb+0x130/0x360 [ 1217.123303][ T1167] netlink_unicast+0x449/0x710 [ 1217.123303][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1217.123303][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1217.123303][ T1167] ___sys_sendmsg+0xee/0x170 [ 1217.123303][ T1167] __sys_sendmsg+0xcd/0x170 [ 1217.123303][ T1167] do_syscall_64+0xc6/0x1e0 [ 1217.123303][ T1167] [ 1217.125718][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1217.125718][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1217.125718][ T1167] ipv6_find_idev+0x102/0x170 [ 1217.125718][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1217.125718][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1217.125718][ T1167] netlink_rcv_skb+0x130/0x360 [ 1217.125718][ T1167] netlink_unicast+0x449/0x710 [ 1217.125718][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1217.125718][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1217.125718][ T1167] ___sys_sendmsg+0xee/0x170 [ 1217.125718][ T1167] __sys_sendmsg+0xcd/0x170 [ 1217.125718][ T1167] do_syscall_64+0xc6/0x1e0 [ 1217.125718][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1217.125718][ T1167] [ 1217.127612][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1217.127612][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1217.127612][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1217.127612][ T1167] ipv6_find_idev+0x102/0x170 [ 1217.127612][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1217.127612][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1217.127612][ T1167] netlink_rcv_skb+0x130/0x360 [ 1217.127612][ T1167] netlink_unicast+0x449/0x710 [ 1217.127612][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1217.127612][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1217.127612][ T1167] ___sys_sendmsg+0xee/0x170 [ 1217.127612][ T1167] __sys_sendmsg+0xcd/0x170 [ 1217.127612][ T1167] do_syscall_64+0xc6/0x1e0 [ 1217.127612][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1217.127612][ T1167] [ 1218.433053][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1218.433514][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1218.433514][ T10] netdev_get_by_index+0x5e/0x80 [ 1218.433514][ T10] fib6_nh_init+0x3d8/0x1580 [ 1218.433514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1218.433514][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1218.433514][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1218.433514][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1218.433514][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1218.433514][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1218.433514][ T10] addrconf_dad_begin+0x310/0x670 [ 1218.433514][ T10] addrconf_dad_work+0x10b/0xab0 [ 1218.433514][ T10] process_one_work+0x84d/0x18a0 [ 1218.433514][ T10] worker_thread+0x587/0xd30 [ 1218.433514][ T10] kthread+0x28a/0x350 [ 1218.433514][ T10] ret_from_fork+0x31/0x70 [ 1218.433514][ T10] ret_from_fork_asm+0x1a/0x30 [ 1218.433514][ T10] [ 1218.435710][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1218.435710][ T10] netdev_get_by_index+0x5e/0x80 [ 1218.435710][ T10] fib6_nh_init+0x3d8/0x1580 [ 1218.435710][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1218.435710][ T10] ip6_route_add+0x1c/0x140 [ 1218.435710][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1218.435710][ T10] inet6_addr_add+0x4f8/0xa40 [ 1218.435710][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1218.435710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1218.435710][ T10] netlink_rcv_skb+0x130/0x360 [ 1218.435710][ T10] netlink_unicast+0x449/0x710 [ 1218.435710][ T10] netlink_sendmsg+0x723/0xbe0 [ 1218.435710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1218.435710][ T10] ___sys_sendmsg+0xee/0x170 [ 1218.435710][ T10] __sys_sendmsg+0xcd/0x170 [ 1218.435710][ T10] do_syscall_64+0xc6/0x1e0 [ 1218.435710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1218.435710][ T10] [ 1218.437984][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1218.437984][ T10] netdev_get_by_index+0x5e/0x80 [ 1218.437984][ T10] fib6_nh_init+0x3d8/0x1580 [ 1218.437984][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1218.437984][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1218.437984][ T10] ipv6_add_addr+0x411/0x2000 [ 1218.437984][ T10] inet6_addr_add+0x30e/0xa40 [ 1218.437984][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1218.437984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1218.437984][ T10] netlink_rcv_skb+0x130/0x360 [ 1218.437984][ T10] netlink_unicast+0x449/0x710 [ 1218.437984][ T10] netlink_sendmsg+0x723/0xbe0 [ 1218.437984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1218.437984][ T10] ___sys_sendmsg+0xee/0x170 [ 1218.437984][ T10] __sys_sendmsg+0xcd/0x170 [ 1218.437984][ T10] do_syscall_64+0xc6/0x1e0 [ 1218.437984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1218.437984][ T10] [ 1218.440238][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1218.440238][ T10] netdev_get_by_index+0x5e/0x80 [ 1218.440238][ T10] fib6_nh_init+0x3d8/0x1580 [ 1218.440238][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1218.440238][ T10] ip6_route_add+0x1c/0x140 [ 1218.440238][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1218.440238][ T10] addrconf_add_dev+0xe2/0x170 [ 1218.440238][ T10] inet6_addr_add+0x12f/0xa40 [ 1218.440238][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1218.440238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1218.440238][ T10] netlink_rcv_skb+0x130/0x360 [ 1218.440238][ T10] netlink_unicast+0x449/0x710 [ 1218.440238][ T10] netlink_sendmsg+0x723/0xbe0 [ 1218.440238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1218.440238][ T10] ___sys_sendmsg+0xee/0x170 [ 1218.440238][ T10] __sys_sendmsg+0xcd/0x170 [ 1218.440238][ T10] do_syscall_64+0xc6/0x1e0 [ 1218.440238][ T10] [ 1218.442451][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1218.442451][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1218.442451][ T10] ipv6_find_idev+0x102/0x170 [ 1218.442451][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1218.442451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1218.442451][ T10] netlink_rcv_skb+0x130/0x360 [ 1218.442451][ T10] netlink_unicast+0x449/0x710 [ 1218.442451][ T10] netlink_sendmsg+0x723/0xbe0 [ 1218.442451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1218.442451][ T10] ___sys_sendmsg+0xee/0x170 [ 1218.442451][ T10] __sys_sendmsg+0xcd/0x170 [ 1218.442451][ T10] do_syscall_64+0xc6/0x1e0 [ 1218.442451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1218.442451][ T10] [ 1218.444178][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1218.444178][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1218.444178][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1218.444178][ T10] ipv6_find_idev+0x102/0x170 [ 1218.444178][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1218.444178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1218.444178][ T10] netlink_rcv_skb+0x130/0x360 [ 1218.444178][ T10] netlink_unicast+0x449/0x710 [ 1218.444178][ T10] netlink_sendmsg+0x723/0xbe0 [ 1218.444178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1218.444178][ T10] ___sys_sendmsg+0xee/0x170 [ 1218.444178][ T10] __sys_sendmsg+0xcd/0x170 [ 1218.444178][ T10] do_syscall_64+0xc6/0x1e0 [ 1218.444178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1218.444178][ T10] [ 1218.446098][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1218.446375][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1218.446375][ T10] netdev_get_by_index+0x5e/0x80 [ 1218.446375][ T10] fib6_nh_init+0x3d8/0x1580 [ 1218.446375][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1218.446375][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1218.446375][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1218.446375][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1218.446375][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1218.446375][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1218.446375][ T10] addrconf_dad_begin+0x310/0x670 [ 1218.446375][ T10] addrconf_dad_work+0x10b/0xab0 [ 1218.446375][ T10] process_one_work+0x84d/0x18a0 [ 1218.446375][ T10] worker_thread+0x587/0xd30 [ 1218.446375][ T10] kthread+0x28a/0x350 [ 1218.446375][ T10] ret_from_fork+0x31/0x70 [ 1218.446375][ T10] ret_from_fork_asm+0x1a/0x30 [ 1218.446375][ T10] [ 1218.448526][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1218.448526][ T10] netdev_get_by_index+0x5e/0x80 [ 1218.448526][ T10] fib6_nh_init+0x3d8/0x1580 [ 1218.448526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1218.448526][ T10] ip6_route_add+0x1c/0x140 [ 1218.448526][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1218.448526][ T10] inet6_addr_add+0x4f8/0xa40 [ 1218.448526][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1218.448526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1218.448526][ T10] netlink_rcv_skb+0x130/0x360 [ 1218.448526][ T10] netlink_unicast+0x449/0x710 [ 1218.448526][ T10] netlink_sendmsg+0x723/0xbe0 [ 1218.448526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1218.448526][ T10] ___sys_sendmsg+0xee/0x170 [ 1218.448526][ T10] __sys_sendmsg+0xcd/0x170 [ 1218.448526][ T10] do_syscall_64+0xc6/0x1e0 [ 1218.448526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1218.448526][ T10] [ 1218.450785][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1218.450785][ T10] netdev_get_by_index+0x5e/0x80 [ 1218.450785][ T10] fib6_nh_init+0x3d8/0x1580 [ 1218.450785][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1218.450785][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1218.450785][ T10] ipv6_add_addr+0x411/0x2000 [ 1218.450785][ T10] inet6_addr_add+0x30e/0xa40 [ 1218.450785][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1218.450785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1218.450785][ T10] netlink_rcv_skb+0x130/0x360 [ 1218.450785][ T10] netlink_unicast+0x449/0x710 [ 1218.450785][ T10] netlink_sendmsg+0x723/0xbe0 [ 1218.450785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1218.450785][ T10] ___sys_sendmsg+0xee/0x170 [ 1218.450785][ T10] __sys_sendmsg+0xcd/0x170 [ 1218.450785][ T10] do_syscall_64+0xc6/0x1e0 [ 1218.450785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1218.450785][ T10] [ 1218.453048][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1218.453048][ T10] netdev_get_by_index+0x5e/0x80 [ 1218.453048][ T10] fib6_nh_init+0x3d8/0x1580 [ 1218.453048][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1218.453048][ T10] ip6_route_add+0x1c/0x140 [ 1218.453048][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1218.453048][ T10] addrconf_add_dev+0xe2/0x170 [ 1218.453048][ T10] inet6_addr_add+0x12f/0xa40 [ 1218.453048][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1218.453048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1218.453048][ T10] netlink_rcv_skb+0x130/0x360 [ 1218.453048][ T10] netlink_unicast+0x449/0x710 [ 1218.453048][ T10] netlink_sendmsg+0x723/0xbe0 [ 1218.453048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1218.453048][ T10] ___sys_sendmsg+0xee/0x170 [ 1218.453048][ T10] __sys_sendmsg+0xcd/0x170 [ 1218.453048][ T10] do_syscall_64+0xc6/0x1e0 [ 1218.453048][ T10] [ 1218.455265][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1218.455265][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1218.455265][ T10] ipv6_find_idev+0x102/0x170 [ 1218.455265][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1218.455265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1218.455265][ T10] netlink_rcv_skb+0x130/0x360 [ 1218.455265][ T10] netlink_unicast+0x449/0x710 [ 1218.455265][ T10] netlink_sendmsg+0x723/0xbe0 [ 1218.455265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1218.455265][ T10] ___sys_sendmsg+0xee/0x170 [ 1218.455265][ T10] __sys_sendmsg+0xcd/0x170 [ 1218.455265][ T10] do_syscall_64+0xc6/0x1e0 [ 1218.455265][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1218.455265][ T10] [ 1218.456997][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1218.456997][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1218.456997][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1218.456997][ T10] ipv6_find_idev+0x102/0x170 [ 1218.456997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1218.456997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1218.456997][ T10] netlink_rcv_skb+0x130/0x360 [ 1218.456997][ T10] netlink_unicast+0x449/0x710 [ 1218.456997][ T10] netlink_sendmsg+0x723/0xbe0 [ 1218.456997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1218.456997][ T10] ___sys_sendmsg+0xee/0x170 [ 1218.456997][ T10] __sys_sendmsg+0xcd/0x170 [ 1218.456997][ T10] do_syscall_64+0xc6/0x1e0 [ 1218.456997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1218.456997][ T10] [ 1218.458919][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1218.459193][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1218.459193][ T10] netdev_get_by_index+0x5e/0x80 [ 1218.459193][ T10] fib6_nh_init+0x3d8/0x1580 [ 1218.459193][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1218.459193][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1218.459193][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1218.459193][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1218.459193][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1218.459193][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1218.459193][ T10] addrconf_dad_begin+0x310/0x670 [ 1218.459193][ T10] addrconf_dad_work+0x10b/0xab0 [ 1218.459193][ T10] process_one_work+0x84d/0x18a0 [ 1218.459193][ T10] worker_thread+0x587/0xd30 [ 1218.459193][ T10] kthread+0x28a/0x350 [ 1218.459193][ T10] ret_from_fork+0x31/0x70 [ 1218.459193][ T10] ret_from_fork_asm+0x1a/0x30 [ 1218.459193][ T10] [ 1218.461374][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1218.461374][ T10] netdev_get_by_index+0x5e/0x80 [ 1218.461374][ T10] fib6_nh_init+0x3d8/0x1580 [ 1218.461374][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1218.461374][ T10] ip6_route_add+0x1c/0x140 [ 1218.461374][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1218.461374][ T10] inet6_addr_add+0x4f8/0xa40 [ 1218.461374][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1218.461374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1218.461374][ T10] netlink_rcv_skb+0x130/0x360 [ 1218.461374][ T10] netlink_unicast+0x449/0x710 [ 1218.461374][ T10] netlink_sendmsg+0x723/0xbe0 [ 1218.461374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1218.461374][ T10] ___sys_sendmsg+0xee/0x170 [ 1218.461374][ T10] __sys_sendmsg+0xcd/0x170 [ 1218.461374][ T10] do_syscall_64+0xc6/0x1e0 [ 1218.461374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1218.461374][ T10] [ 1218.463760][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1218.463760][ T10] netdev_get_by_index+0x5e/0x80 [ 1218.463760][ T10] fib6_nh_init+0x3d8/0x1580 [ 1218.463760][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1218.463760][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1218.463760][ T10] ipv6_add_addr+0x411/0x2000 [ 1218.463760][ T10] inet6_addr_add+0x30e/0xa40 [ 1218.463760][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1218.463760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1218.463760][ T10] netlink_rcv_skb+0x130/0x360 [ 1218.463760][ T10] netlink_unicast+0x449/0x710 [ 1218.463760][ T10] netlink_sendmsg+0x723/0xbe0 [ 1218.463760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1218.463760][ T10] ___sys_sendmsg+0xee/0x170 [ 1218.463760][ T10] __sys_sendmsg+0xcd/0x170 [ 1218.463760][ T10] do_syscall_64+0xc6/0x1e0 [ 1218.463760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1218.463760][ T10] [ 1218.466125][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1218.466125][ T10] netdev_get_by_index+0x5e/0x80 [ 1218.466125][ T10] fib6_nh_init+0x3d8/0x1580 [ 1218.466125][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1218.466125][ T10] ip6_route_add+0x1c/0x140 [ 1218.466125][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1218.466125][ T10] addrconf_add_dev+0xe2/0x170 [ 1218.466125][ T10] inet6_addr_add+0x12f/0xa40 [ 1218.466125][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1218.466125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1218.466125][ T10] netlink_rcv_skb+0x130/0x360 [ 1218.466125][ T10] netlink_unicast+0x449/0x710 [ 1218.466125][ T10] netlink_sendmsg+0x723/0xbe0 [ 1218.466125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1218.466125][ T10] ___sys_sendmsg+0xee/0x170 [ 1218.466125][ T10] __sys_sendmsg+0xcd/0x170 [ 1218.466125][ T10] do_syscall_64+0xc6/0x1e0 [ 1218.466125][ T10] [ 1218.468466][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1218.468466][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1218.468466][ T10] ipv6_find_idev+0x102/0x170 [ 1218.468466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1218.468466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1218.468466][ T10] netlink_rcv_skb+0x130/0x360 [ 1218.468466][ T10] netlink_unicast+0x449/0x710 [ 1218.468466][ T10] netlink_sendmsg+0x723/0xbe0 [ 1218.468466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1218.468466][ T10] ___sys_sendmsg+0xee/0x170 [ 1218.468466][ T10] __sys_sendmsg+0xcd/0x170 [ 1218.468466][ T10] do_syscall_64+0xc6/0x1e0 [ 1218.468466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1218.468466][ T10] [ 1218.470329][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1218.470329][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1218.470329][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1218.470329][ T10] ipv6_find_idev+0x102/0x170 [ 1218.470329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1218.470329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1218.470329][ T10] netlink_rcv_skb+0x130/0x360 [ 1218.470329][ T10] netlink_unicast+0x449/0x710 [ 1218.470329][ T10] netlink_sendmsg+0x723/0xbe0 [ 1218.470329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1218.470329][ T10] ___sys_sendmsg+0xee/0x170 [ 1218.470329][ T10] __sys_sendmsg+0xcd/0x170 [ 1218.470329][ T10] do_syscall_64+0xc6/0x1e0 [ 1218.470329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1218.470329][ T10] [ 1218.472297][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1218.472576][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1218.472576][ T10] netdev_get_by_index+0x5e/0x80 [ 1218.472576][ T10] fib6_nh_init+0x3d8/0x1580 [ 1218.472576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1218.472576][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1218.472576][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1218.472576][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1218.472576][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1218.472576][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1218.472576][ T10] addrconf_dad_begin+0x310/0x670 [ 1218.472576][ T10] addrconf_dad_work+0x10b/0xab0 [ 1218.472576][ T10] process_one_work+0x84d/0x18a0 [ 1218.472576][ T10] worker_thread+0x587/0xd30 [ 1218.472576][ T10] kthread+0x28a/0x350 [ 1218.472576][ T10] ret_from_fork+0x31/0x70 [ 1218.472576][ T10] ret_from_fork_asm+0x1a/0x30 [ 1218.472576][ T10] [ 1218.474875][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1218.474875][ T10] netdev_get_by_index+0x5e/0x80 [ 1218.474875][ T10] fib6_nh_init+0x3d8/0x1580 [ 1218.474875][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1218.474875][ T10] ip6_route_add+0x1c/0x140 [ 1218.474875][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1218.474875][ T10] inet6_addr_add+0x4f8/0xa40 [ 1218.474875][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1218.474875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1218.474875][ T10] netlink_rcv_skb+0x130/0x360 [ 1218.474875][ T10] netlink_unicast+0x449/0x710 [ 1218.474875][ T10] netlink_sendmsg+0x723/0xbe0 [ 1218.474875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1218.474875][ T10] ___sys_sendmsg+0xee/0x170 [ 1218.474875][ T10] __sys_sendmsg+0xcd/0x170 [ 1218.474875][ T10] do_syscall_64+0xc6/0x1e0 [ 1218.474875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1218.474875][ T10] [ 1218.477254][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1218.477254][ T10] netdev_get_by_index+0x5e/0x80 [ 1218.477254][ T10] fib6_nh_init+0x3d8/0x1580 [ 1218.477254][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1218.477254][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1218.477254][ T10] ipv6_add_addr+0x411/0x2000 [ 1218.477254][ T10] inet6_addr_add+0x30e/0xa40 [ 1218.477254][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1218.477254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1218.477254][ T10] netlink_rcv_skb+0x130/0x360 [ 1218.477254][ T10] netlink_unicast+0x449/0x710 [ 1218.477254][ T10] netlink_sendmsg+0x723/0xbe0 [ 1218.477254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1218.477254][ T10] ___sys_sendmsg+0xee/0x170 [ 1218.477254][ T10] __sys_sendmsg+0xcd/0x170 [ 1218.477254][ T10] do_syscall_64+0xc6/0x1e0 [ 1218.477254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1218.477254][ T10] [ 1218.479633][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1218.479633][ T10] netdev_get_by_index+0x5e/0x80 [ 1218.479633][ T10] fib6_nh_init+0x3d8/0x1580 [ 1218.479633][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1218.479633][ T10] ip6_route_add+0x1c/0x140 [ 1218.479633][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1218.479633][ T10] addrconf_add_dev+0xe2/0x170 [ 1218.479633][ T10] inet6_addr_add+0x12f/0xa40 [ 1218.479633][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1218.479633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1218.479633][ T10] netlink_rcv_skb+0x130/0x360 [ 1218.479633][ T10] netlink_unicast+0x449/0x710 [ 1218.479633][ T10] netlink_sendmsg+0x723/0xbe0 [ 1218.479633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1218.479633][ T10] ___sys_sendmsg+0xee/0x170 [ 1218.479633][ T10] __sys_sendmsg+0xcd/0x170 [ 1218.479633][ T10] do_syscall_64+0xc6/0x1e0 [ 1218.479633][ T10] [ 1218.481968][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1218.481968][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1218.481968][ T10] ipv6_find_idev+0x102/0x170 [ 1218.481968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1218.481968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1218.481968][ T10] netlink_rcv_skb+0x130/0x360 [ 1218.481968][ T10] netlink_unicast+0x449/0x710 [ 1218.481968][ T10] netlink_sendmsg+0x723/0xbe0 [ 1218.481968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1218.481968][ T10] ___sys_sendmsg+0xee/0x170 [ 1218.481968][ T10] __sys_sendmsg+0xcd/0x170 [ 1218.481968][ T10] do_syscall_64+0xc6/0x1e0 [ 1218.481968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1218.481968][ T10] [ 1218.483766][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1218.483766][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1218.483766][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1218.483766][ T10] ipv6_find_idev+0x102/0x170 [ 1218.483766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1218.483766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1218.483766][ T10] netlink_rcv_skb+0x130/0x360 [ 1218.483766][ T10] netlink_unicast+0x449/0x710 [ 1218.483766][ T10] netlink_sendmsg+0x723/0xbe0 [ 1218.483766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1218.483766][ T10] ___sys_sendmsg+0xee/0x170 [ 1218.483766][ T10] __sys_sendmsg+0xcd/0x170 [ 1218.483766][ T10] do_syscall_64+0xc6/0x1e0 [ 1218.483766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1218.483766][ T10] [ 1227.377132][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1227.377655][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1227.377655][ T1167] dst_init+0x84/0x4a0 [ 1227.377655][ T1167] dst_alloc+0x97/0x150 [ 1227.377655][ T1167] ip6_dst_alloc+0x23/0x90 [ 1227.377655][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1227.377655][ T1167] ip6_pol_route+0x56f/0x840 [ 1227.377655][ T1167] fib6_rule_lookup+0x334/0x630 [ 1227.377655][ T1167] ip6_route_output_flags+0x259/0x480 [ 1227.377655][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1227.377655][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1227.377655][ T1167] netlink_rcv_skb+0x130/0x360 [ 1227.377655][ T1167] netlink_unicast+0x449/0x710 [ 1227.377655][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1227.377655][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1227.377655][ T1167] ___sys_sendmsg+0xee/0x170 [ 1227.377655][ T1167] __sys_sendmsg+0xcd/0x170 [ 1227.377655][ T1167] do_syscall_64+0xc6/0x1e0 [ 1227.377655][ T1167] [ 1227.380069][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1227.380069][ T1167] netdev_get_by_index+0x5e/0x80 [ 1227.380069][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1227.380069][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1227.380069][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1227.380069][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1227.380069][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1227.380069][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1227.380069][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1227.380069][ T1167] addrconf_dad_begin+0x310/0x670 [ 1227.380069][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1227.380069][ T1167] process_one_work+0x84d/0x18a0 [ 1227.380069][ T1167] worker_thread+0x587/0xd30 [ 1227.380069][ T1167] kthread+0x28a/0x350 [ 1227.380069][ T1167] ret_from_fork+0x31/0x70 [ 1227.380069][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1227.380069][ T1167] [ 1227.382423][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1227.382423][ T1167] netdev_get_by_index+0x5e/0x80 [ 1227.382423][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1227.382423][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1227.382423][ T1167] ip6_route_add+0x1c/0x140 [ 1227.382423][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1227.382423][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1227.382423][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1227.382423][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1227.382423][ T1167] netlink_rcv_skb+0x130/0x360 [ 1227.382423][ T1167] netlink_unicast+0x449/0x710 [ 1227.382423][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1227.382423][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1227.382423][ T1167] ___sys_sendmsg+0xee/0x170 [ 1227.382423][ T1167] __sys_sendmsg+0xcd/0x170 [ 1227.382423][ T1167] do_syscall_64+0xc6/0x1e0 [ 1227.382423][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1227.382423][ T1167] [ 1227.384865][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1227.384865][ T1167] netdev_get_by_index+0x5e/0x80 [ 1227.384865][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1227.384865][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1227.384865][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1227.384865][ T1167] ipv6_add_addr+0x411/0x2000 [ 1227.384865][ T1167] inet6_addr_add+0x30e/0xa40 [ 1227.384865][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1227.384865][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1227.384865][ T1167] netlink_rcv_skb+0x130/0x360 [ 1227.384865][ T1167] netlink_unicast+0x449/0x710 [ 1227.384865][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1227.384865][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1227.384865][ T1167] ___sys_sendmsg+0xee/0x170 [ 1227.384865][ T1167] __sys_sendmsg+0xcd/0x170 [ 1227.384865][ T1167] do_syscall_64+0xc6/0x1e0 [ 1227.384865][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1227.384865][ T1167] [ 1227.387304][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1227.387304][ T1167] netdev_get_by_index+0x5e/0x80 [ 1227.387304][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1227.387304][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1227.387304][ T1167] ip6_route_add+0x1c/0x140 [ 1227.387304][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1227.387304][ T1167] addrconf_add_dev+0xe2/0x170 [ 1227.387304][ T1167] inet6_addr_add+0x12f/0xa40 [ 1227.387304][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1227.387304][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1227.387304][ T1167] netlink_rcv_skb+0x130/0x360 [ 1227.387304][ T1167] netlink_unicast+0x449/0x710 [ 1227.387304][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1227.387304][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1227.387304][ T1167] ___sys_sendmsg+0xee/0x170 [ 1227.387304][ T1167] __sys_sendmsg+0xcd/0x170 [ 1227.387304][ T1167] do_syscall_64+0xc6/0x1e0 [ 1227.387304][ T1167] [ 1227.389709][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1227.389709][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1227.389709][ T1167] ipv6_find_idev+0x102/0x170 [ 1227.389709][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1227.389709][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1227.389709][ T1167] netlink_rcv_skb+0x130/0x360 [ 1227.389709][ T1167] netlink_unicast+0x449/0x710 [ 1227.389709][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1227.389709][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1227.389709][ T1167] ___sys_sendmsg+0xee/0x170 [ 1227.389709][ T1167] __sys_sendmsg+0xcd/0x170 [ 1227.389709][ T1167] do_syscall_64+0xc6/0x1e0 [ 1227.389709][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1227.389709][ T1167] [ 1227.391602][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1227.391602][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1227.391602][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1227.391602][ T1167] ipv6_find_idev+0x102/0x170 [ 1227.391602][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1227.391602][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1227.391602][ T1167] netlink_rcv_skb+0x130/0x360 [ 1227.391602][ T1167] netlink_unicast+0x449/0x710 [ 1227.391602][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1227.391602][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1227.391602][ T1167] ___sys_sendmsg+0xee/0x170 [ 1227.391602][ T1167] __sys_sendmsg+0xcd/0x170 [ 1227.391602][ T1167] do_syscall_64+0xc6/0x1e0 [ 1227.391602][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1227.391602][ T1167] [ 1228.737116][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1228.737488][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1228.737488][ T10] netdev_get_by_index+0x5e/0x80 [ 1228.737488][ T10] fib6_nh_init+0x3d8/0x1580 [ 1228.737488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1228.737488][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1228.737488][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1228.737488][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1228.737488][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1228.737488][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1228.737488][ T10] addrconf_dad_begin+0x310/0x670 [ 1228.737488][ T10] addrconf_dad_work+0x10b/0xab0 [ 1228.737488][ T10] process_one_work+0x84d/0x18a0 [ 1228.737488][ T10] worker_thread+0x587/0xd30 [ 1228.737488][ T10] kthread+0x28a/0x350 [ 1228.737488][ T10] ret_from_fork+0x31/0x70 [ 1228.737488][ T10] ret_from_fork_asm+0x1a/0x30 [ 1228.737488][ T10] [ 1228.739606][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1228.739606][ T10] netdev_get_by_index+0x5e/0x80 [ 1228.739606][ T10] fib6_nh_init+0x3d8/0x1580 [ 1228.739606][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1228.739606][ T10] ip6_route_add+0x1c/0x140 [ 1228.739606][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1228.739606][ T10] inet6_addr_add+0x4f8/0xa40 [ 1228.739606][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1228.739606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1228.739606][ T10] netlink_rcv_skb+0x130/0x360 [ 1228.739606][ T10] netlink_unicast+0x449/0x710 [ 1228.739606][ T10] netlink_sendmsg+0x723/0xbe0 [ 1228.739606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1228.739606][ T10] ___sys_sendmsg+0xee/0x170 [ 1228.739606][ T10] __sys_sendmsg+0xcd/0x170 [ 1228.739606][ T10] do_syscall_64+0xc6/0x1e0 [ 1228.739606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1228.739606][ T10] [ 1228.741835][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1228.741835][ T10] netdev_get_by_index+0x5e/0x80 [ 1228.741835][ T10] fib6_nh_init+0x3d8/0x1580 [ 1228.741835][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1228.741835][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1228.741835][ T10] ipv6_add_addr+0x411/0x2000 [ 1228.741835][ T10] inet6_addr_add+0x30e/0xa40 [ 1228.741835][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1228.741835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1228.741835][ T10] netlink_rcv_skb+0x130/0x360 [ 1228.741835][ T10] netlink_unicast+0x449/0x710 [ 1228.741835][ T10] netlink_sendmsg+0x723/0xbe0 [ 1228.741835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1228.741835][ T10] ___sys_sendmsg+0xee/0x170 [ 1228.741835][ T10] __sys_sendmsg+0xcd/0x170 [ 1228.741835][ T10] do_syscall_64+0xc6/0x1e0 [ 1228.741835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1228.741835][ T10] [ 1228.744047][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1228.744047][ T10] netdev_get_by_index+0x5e/0x80 [ 1228.744047][ T10] fib6_nh_init+0x3d8/0x1580 [ 1228.744047][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1228.744047][ T10] ip6_route_add+0x1c/0x140 [ 1228.744047][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1228.744047][ T10] addrconf_add_dev+0xe2/0x170 [ 1228.744047][ T10] inet6_addr_add+0x12f/0xa40 [ 1228.744047][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1228.744047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1228.744047][ T10] netlink_rcv_skb+0x130/0x360 [ 1228.744047][ T10] netlink_unicast+0x449/0x710 [ 1228.744047][ T10] netlink_sendmsg+0x723/0xbe0 [ 1228.744047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1228.744047][ T10] ___sys_sendmsg+0xee/0x170 [ 1228.744047][ T10] __sys_sendmsg+0xcd/0x170 [ 1228.744047][ T10] do_syscall_64+0xc6/0x1e0 [ 1228.744047][ T10] [ 1228.746220][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1228.746220][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1228.746220][ T10] ipv6_find_idev+0x102/0x170 [ 1228.746220][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1228.746220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1228.746220][ T10] netlink_rcv_skb+0x130/0x360 [ 1228.746220][ T10] netlink_unicast+0x449/0x710 [ 1228.746220][ T10] netlink_sendmsg+0x723/0xbe0 [ 1228.746220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1228.746220][ T10] ___sys_sendmsg+0xee/0x170 [ 1228.746220][ T10] __sys_sendmsg+0xcd/0x170 [ 1228.746220][ T10] do_syscall_64+0xc6/0x1e0 [ 1228.746220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1228.746220][ T10] [ 1228.748450][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1228.748450][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1228.748450][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1228.748450][ T10] ipv6_find_idev+0x102/0x170 [ 1228.748450][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1228.748450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1228.748450][ T10] netlink_rcv_skb+0x130/0x360 [ 1228.748450][ T10] netlink_unicast+0x449/0x710 [ 1228.748450][ T10] netlink_sendmsg+0x723/0xbe0 [ 1228.748450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1228.748450][ T10] ___sys_sendmsg+0xee/0x170 [ 1228.748450][ T10] __sys_sendmsg+0xcd/0x170 [ 1228.748450][ T10] do_syscall_64+0xc6/0x1e0 [ 1228.748450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1228.748450][ T10] [ 1228.750306][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1228.750568][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1228.750568][ T10] netdev_get_by_index+0x5e/0x80 [ 1228.750568][ T10] fib6_nh_init+0x3d8/0x1580 [ 1228.750568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1228.750568][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1228.750568][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1228.750568][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1228.750568][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1228.750568][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1228.750568][ T10] addrconf_dad_begin+0x310/0x670 [ 1228.750568][ T10] addrconf_dad_work+0x10b/0xab0 [ 1228.750568][ T10] process_one_work+0x84d/0x18a0 [ 1228.750568][ T10] worker_thread+0x587/0xd30 [ 1228.750568][ T10] kthread+0x28a/0x350 [ 1228.750568][ T10] ret_from_fork+0x31/0x70 [ 1228.750568][ T10] ret_from_fork_asm+0x1a/0x30 [ 1228.750568][ T10] [ 1228.752661][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1228.752661][ T10] netdev_get_by_index+0x5e/0x80 [ 1228.752661][ T10] fib6_nh_init+0x3d8/0x1580 [ 1228.752661][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1228.752661][ T10] ip6_route_add+0x1c/0x140 [ 1228.752661][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1228.752661][ T10] inet6_addr_add+0x4f8/0xa40 [ 1228.752661][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1228.752661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1228.752661][ T10] netlink_rcv_skb+0x130/0x360 [ 1228.752661][ T10] netlink_unicast+0x449/0x710 [ 1228.752661][ T10] netlink_sendmsg+0x723/0xbe0 [ 1228.752661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1228.752661][ T10] ___sys_sendmsg+0xee/0x170 [ 1228.752661][ T10] __sys_sendmsg+0xcd/0x170 [ 1228.752661][ T10] do_syscall_64+0xc6/0x1e0 [ 1228.752661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1228.752661][ T10] [ 1228.754845][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1228.754845][ T10] netdev_get_by_index+0x5e/0x80 [ 1228.754845][ T10] fib6_nh_init+0x3d8/0x1580 [ 1228.754845][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1228.754845][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1228.754845][ T10] ipv6_add_addr+0x411/0x2000 [ 1228.754845][ T10] inet6_addr_add+0x30e/0xa40 [ 1228.754845][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1228.754845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1228.754845][ T10] netlink_rcv_skb+0x130/0x360 [ 1228.754845][ T10] netlink_unicast+0x449/0x710 [ 1228.754845][ T10] netlink_sendmsg+0x723/0xbe0 [ 1228.754845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1228.754845][ T10] ___sys_sendmsg+0xee/0x170 [ 1228.754845][ T10] __sys_sendmsg+0xcd/0x170 [ 1228.754845][ T10] do_syscall_64+0xc6/0x1e0 [ 1228.754845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1228.754845][ T10] [ 1228.757027][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1228.757027][ T10] netdev_get_by_index+0x5e/0x80 [ 1228.757027][ T10] fib6_nh_init+0x3d8/0x1580 [ 1228.757027][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1228.757027][ T10] ip6_route_add+0x1c/0x140 [ 1228.757027][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1228.757027][ T10] addrconf_add_dev+0xe2/0x170 [ 1228.757027][ T10] inet6_addr_add+0x12f/0xa40 [ 1228.757027][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1228.757027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1228.757027][ T10] netlink_rcv_skb+0x130/0x360 [ 1228.757027][ T10] netlink_unicast+0x449/0x710 [ 1228.757027][ T10] netlink_sendmsg+0x723/0xbe0 [ 1228.757027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1228.757027][ T10] ___sys_sendmsg+0xee/0x170 [ 1228.757027][ T10] __sys_sendmsg+0xcd/0x170 [ 1228.757027][ T10] do_syscall_64+0xc6/0x1e0 [ 1228.757027][ T10] [ 1228.759184][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1228.759184][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1228.759184][ T10] ipv6_find_idev+0x102/0x170 [ 1228.759184][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1228.759184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1228.759184][ T10] netlink_rcv_skb+0x130/0x360 [ 1228.759184][ T10] netlink_unicast+0x449/0x710 [ 1228.759184][ T10] netlink_sendmsg+0x723/0xbe0 [ 1228.759184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1228.759184][ T10] ___sys_sendmsg+0xee/0x170 [ 1228.759184][ T10] __sys_sendmsg+0xcd/0x170 [ 1228.759184][ T10] do_syscall_64+0xc6/0x1e0 [ 1228.759184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1228.759184][ T10] [ 1228.760873][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1228.760873][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1228.760873][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1228.760873][ T10] ipv6_find_idev+0x102/0x170 [ 1228.760873][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1228.760873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1228.760873][ T10] netlink_rcv_skb+0x130/0x360 [ 1228.760873][ T10] netlink_unicast+0x449/0x710 [ 1228.760873][ T10] netlink_sendmsg+0x723/0xbe0 [ 1228.760873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1228.760873][ T10] ___sys_sendmsg+0xee/0x170 [ 1228.760873][ T10] __sys_sendmsg+0xcd/0x170 [ 1228.760873][ T10] do_syscall_64+0xc6/0x1e0 [ 1228.760873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1228.760873][ T10] [ 1228.762722][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1228.762987][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1228.762987][ T10] netdev_get_by_index+0x5e/0x80 [ 1228.762987][ T10] fib6_nh_init+0x3d8/0x1580 [ 1228.762987][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1228.762987][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1228.762987][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1228.762987][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1228.762987][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1228.762987][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1228.762987][ T10] addrconf_dad_begin+0x310/0x670 [ 1228.762987][ T10] addrconf_dad_work+0x10b/0xab0 [ 1228.762987][ T10] process_one_work+0x84d/0x18a0 [ 1228.762987][ T10] worker_thread+0x587/0xd30 [ 1228.762987][ T10] kthread+0x28a/0x350 [ 1228.762987][ T10] ret_from_fork+0x31/0x70 [ 1228.762987][ T10] ret_from_fork_asm+0x1a/0x30 [ 1228.762987][ T10] [ 1228.765069][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1228.765069][ T10] netdev_get_by_index+0x5e/0x80 [ 1228.765069][ T10] fib6_nh_init+0x3d8/0x1580 [ 1228.765069][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1228.765069][ T10] ip6_route_add+0x1c/0x140 [ 1228.765069][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1228.765069][ T10] inet6_addr_add+0x4f8/0xa40 [ 1228.765069][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1228.765069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1228.765069][ T10] netlink_rcv_skb+0x130/0x360 [ 1228.765069][ T10] netlink_unicast+0x449/0x710 [ 1228.765069][ T10] netlink_sendmsg+0x723/0xbe0 [ 1228.765069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1228.765069][ T10] ___sys_sendmsg+0xee/0x170 [ 1228.765069][ T10] __sys_sendmsg+0xcd/0x170 [ 1228.765069][ T10] do_syscall_64+0xc6/0x1e0 [ 1228.765069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1228.765069][ T10] [ 1228.767440][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1228.767440][ T10] netdev_get_by_index+0x5e/0x80 [ 1228.767440][ T10] fib6_nh_init+0x3d8/0x1580 [ 1228.767440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1228.767440][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1228.767440][ T10] ipv6_add_addr+0x411/0x2000 [ 1228.767440][ T10] inet6_addr_add+0x30e/0xa40 [ 1228.767440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1228.767440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1228.767440][ T10] netlink_rcv_skb+0x130/0x360 [ 1228.767440][ T10] netlink_unicast+0x449/0x710 [ 1228.767440][ T10] netlink_sendmsg+0x723/0xbe0 [ 1228.767440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1228.767440][ T10] ___sys_sendmsg+0xee/0x170 [ 1228.767440][ T10] __sys_sendmsg+0xcd/0x170 [ 1228.767440][ T10] do_syscall_64+0xc6/0x1e0 [ 1228.767440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1228.767440][ T10] [ 1228.769951][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1228.769951][ T10] netdev_get_by_index+0x5e/0x80 [ 1228.769951][ T10] fib6_nh_init+0x3d8/0x1580 [ 1228.769951][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1228.769951][ T10] ip6_route_add+0x1c/0x140 [ 1228.769951][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1228.769951][ T10] addrconf_add_dev+0xe2/0x170 [ 1228.769951][ T10] inet6_addr_add+0x12f/0xa40 [ 1228.769951][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1228.769951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1228.769951][ T10] netlink_rcv_skb+0x130/0x360 [ 1228.769951][ T10] netlink_unicast+0x449/0x710 [ 1228.769951][ T10] netlink_sendmsg+0x723/0xbe0 [ 1228.769951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1228.769951][ T10] ___sys_sendmsg+0xee/0x170 [ 1228.769951][ T10] __sys_sendmsg+0xcd/0x170 [ 1228.769951][ T10] do_syscall_64+0xc6/0x1e0 [ 1228.769951][ T10] [ 1228.772345][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1228.772345][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1228.772345][ T10] ipv6_find_idev+0x102/0x170 [ 1228.772345][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1228.772345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1228.772345][ T10] netlink_rcv_skb+0x130/0x360 [ 1228.772345][ T10] netlink_unicast+0x449/0x710 [ 1228.772345][ T10] netlink_sendmsg+0x723/0xbe0 [ 1228.772345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1228.772345][ T10] ___sys_sendmsg+0xee/0x170 [ 1228.772345][ T10] __sys_sendmsg+0xcd/0x170 [ 1228.772345][ T10] do_syscall_64+0xc6/0x1e0 [ 1228.772345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1228.772345][ T10] [ 1228.774233][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1228.774233][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1228.774233][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1228.774233][ T10] ipv6_find_idev+0x102/0x170 [ 1228.774233][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1228.774233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1228.774233][ T10] netlink_rcv_skb+0x130/0x360 [ 1228.774233][ T10] netlink_unicast+0x449/0x710 [ 1228.774233][ T10] netlink_sendmsg+0x723/0xbe0 [ 1228.774233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1228.774233][ T10] ___sys_sendmsg+0xee/0x170 [ 1228.774233][ T10] __sys_sendmsg+0xcd/0x170 [ 1228.774233][ T10] do_syscall_64+0xc6/0x1e0 [ 1228.774233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1228.774233][ T10] [ 1228.776266][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1228.776519][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1228.776519][ T10] netdev_get_by_index+0x5e/0x80 [ 1228.776519][ T10] fib6_nh_init+0x3d8/0x1580 [ 1228.776519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1228.776519][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1228.776519][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1228.776519][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1228.776519][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1228.776519][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1228.776519][ T10] addrconf_dad_begin+0x310/0x670 [ 1228.776519][ T10] addrconf_dad_work+0x10b/0xab0 [ 1228.776519][ T10] process_one_work+0x84d/0x18a0 [ 1228.776519][ T10] worker_thread+0x587/0xd30 [ 1228.776519][ T10] kthread+0x28a/0x350 [ 1228.776519][ T10] ret_from_fork+0x31/0x70 [ 1228.776519][ T10] ret_from_fork_asm+0x1a/0x30 [ 1228.776519][ T10] [ 1228.778863][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1228.778863][ T10] netdev_get_by_index+0x5e/0x80 [ 1228.778863][ T10] fib6_nh_init+0x3d8/0x1580 [ 1228.778863][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1228.778863][ T10] ip6_route_add+0x1c/0x140 [ 1228.778863][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1228.778863][ T10] inet6_addr_add+0x4f8/0xa40 [ 1228.778863][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1228.778863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1228.778863][ T10] netlink_rcv_skb+0x130/0x360 [ 1228.778863][ T10] netlink_unicast+0x449/0x710 [ 1228.778863][ T10] netlink_sendmsg+0x723/0xbe0 [ 1228.778863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1228.778863][ T10] ___sys_sendmsg+0xee/0x170 [ 1228.778863][ T10] __sys_sendmsg+0xcd/0x170 [ 1228.778863][ T10] do_syscall_64+0xc6/0x1e0 [ 1228.778863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1228.778863][ T10] [ 1228.781309][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1228.781309][ T10] netdev_get_by_index+0x5e/0x80 [ 1228.781309][ T10] fib6_nh_init+0x3d8/0x1580 [ 1228.781309][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1228.781309][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1228.781309][ T10] ipv6_add_addr+0x411/0x2000 [ 1228.781309][ T10] inet6_addr_add+0x30e/0xa40 [ 1228.781309][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1228.781309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1228.781309][ T10] netlink_rcv_skb+0x130/0x360 [ 1228.781309][ T10] netlink_unicast+0x449/0x710 [ 1228.781309][ T10] netlink_sendmsg+0x723/0xbe0 [ 1228.781309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1228.781309][ T10] ___sys_sendmsg+0xee/0x170 [ 1228.781309][ T10] __sys_sendmsg+0xcd/0x170 [ 1228.781309][ T10] do_syscall_64+0xc6/0x1e0 [ 1228.781309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1228.781309][ T10] [ 1228.783761][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1228.783761][ T10] netdev_get_by_index+0x5e/0x80 [ 1228.783761][ T10] fib6_nh_init+0x3d8/0x1580 [ 1228.783761][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1228.783761][ T10] ip6_route_add+0x1c/0x140 [ 1228.783761][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1228.783761][ T10] addrconf_add_dev+0xe2/0x170 [ 1228.783761][ T10] inet6_addr_add+0x12f/0xa40 [ 1228.783761][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1228.783761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1228.783761][ T10] netlink_rcv_skb+0x130/0x360 [ 1228.783761][ T10] netlink_unicast+0x449/0x710 [ 1228.783761][ T10] netlink_sendmsg+0x723/0xbe0 [ 1228.783761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1228.783761][ T10] ___sys_sendmsg+0xee/0x170 [ 1228.783761][ T10] __sys_sendmsg+0xcd/0x170 [ 1228.783761][ T10] do_syscall_64+0xc6/0x1e0 [ 1228.783761][ T10] [ 1228.786118][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1228.786118][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1228.786118][ T10] ipv6_find_idev+0x102/0x170 [ 1228.786118][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1228.786118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1228.786118][ T10] netlink_rcv_skb+0x130/0x360 [ 1228.786118][ T10] netlink_unicast+0x449/0x710 [ 1228.786118][ T10] netlink_sendmsg+0x723/0xbe0 [ 1228.786118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1228.786118][ T10] ___sys_sendmsg+0xee/0x170 [ 1228.786118][ T10] __sys_sendmsg+0xcd/0x170 [ 1228.786118][ T10] do_syscall_64+0xc6/0x1e0 [ 1228.786118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1228.786118][ T10] [ 1228.787993][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1228.787993][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1228.787993][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1228.787993][ T10] ipv6_find_idev+0x102/0x170 [ 1228.787993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1228.787993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1228.787993][ T10] netlink_rcv_skb+0x130/0x360 [ 1228.787993][ T10] netlink_unicast+0x449/0x710 [ 1228.787993][ T10] netlink_sendmsg+0x723/0xbe0 [ 1228.787993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1228.787993][ T10] ___sys_sendmsg+0xee/0x170 [ 1228.787993][ T10] __sys_sendmsg+0xcd/0x170 [ 1228.787993][ T10] do_syscall_64+0xc6/0x1e0 [ 1228.787993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1228.787993][ T10] [ 1237.537100][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1237.537678][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1237.537678][ T1167] dst_init+0x84/0x4a0 [ 1237.537678][ T1167] dst_alloc+0x97/0x150 [ 1237.537678][ T1167] ip6_dst_alloc+0x23/0x90 [ 1237.537678][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1237.537678][ T1167] ip6_pol_route+0x56f/0x840 [ 1237.537678][ T1167] fib6_rule_lookup+0x334/0x630 [ 1237.537678][ T1167] ip6_route_output_flags+0x259/0x480 [ 1237.537678][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1237.537678][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1237.537678][ T1167] netlink_rcv_skb+0x130/0x360 [ 1237.537678][ T1167] netlink_unicast+0x449/0x710 [ 1237.537678][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1237.537678][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1237.537678][ T1167] ___sys_sendmsg+0xee/0x170 [ 1237.537678][ T1167] __sys_sendmsg+0xcd/0x170 [ 1237.537678][ T1167] do_syscall_64+0xc6/0x1e0 [ 1237.537678][ T1167] [ 1237.540127][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1237.540127][ T1167] netdev_get_by_index+0x5e/0x80 [ 1237.540127][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1237.540127][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1237.540127][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1237.540127][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1237.540127][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1237.540127][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1237.540127][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1237.540127][ T1167] addrconf_dad_begin+0x310/0x670 [ 1237.540127][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1237.540127][ T1167] process_one_work+0x84d/0x18a0 [ 1237.540127][ T1167] worker_thread+0x587/0xd30 [ 1237.540127][ T1167] kthread+0x28a/0x350 [ 1237.540127][ T1167] ret_from_fork+0x31/0x70 [ 1237.540127][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1237.540127][ T1167] [ 1237.542534][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1237.542534][ T1167] netdev_get_by_index+0x5e/0x80 [ 1237.542534][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1237.542534][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1237.542534][ T1167] ip6_route_add+0x1c/0x140 [ 1237.542534][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1237.542534][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1237.542534][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1237.542534][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.542534][ T1167] netlink_rcv_skb+0x130/0x360 [ 1237.542534][ T1167] netlink_unicast+0x449/0x710 [ 1237.542534][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1237.542534][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1237.542534][ T1167] ___sys_sendmsg+0xee/0x170 [ 1237.542534][ T1167] __sys_sendmsg+0xcd/0x170 [ 1237.542534][ T1167] do_syscall_64+0xc6/0x1e0 [ 1237.542534][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.542534][ T1167] [ 1237.544998][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1237.544998][ T1167] netdev_get_by_index+0x5e/0x80 [ 1237.544998][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1237.544998][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1237.544998][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1237.544998][ T1167] ipv6_add_addr+0x411/0x2000 [ 1237.544998][ T1167] inet6_addr_add+0x30e/0xa40 [ 1237.544998][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1237.544998][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.544998][ T1167] netlink_rcv_skb+0x130/0x360 [ 1237.544998][ T1167] netlink_unicast+0x449/0x710 [ 1237.544998][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1237.544998][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1237.544998][ T1167] ___sys_sendmsg+0xee/0x170 [ 1237.544998][ T1167] __sys_sendmsg+0xcd/0x170 [ 1237.544998][ T1167] do_syscall_64+0xc6/0x1e0 [ 1237.544998][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.544998][ T1167] [ 1237.547896][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1237.547896][ T1167] netdev_get_by_index+0x5e/0x80 [ 1237.547896][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1237.547896][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1237.547896][ T1167] ip6_route_add+0x1c/0x140 [ 1237.547896][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1237.547896][ T1167] addrconf_add_dev+0xe2/0x170 [ 1237.547896][ T1167] inet6_addr_add+0x12f/0xa40 [ 1237.547896][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1237.547896][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.547896][ T1167] netlink_rcv_skb+0x130/0x360 [ 1237.547896][ T1167] netlink_unicast+0x449/0x710 [ 1237.547896][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1237.547896][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1237.547896][ T1167] ___sys_sendmsg+0xee/0x170 [ 1237.547896][ T1167] __sys_sendmsg+0xcd/0x170 [ 1237.547896][ T1167] do_syscall_64+0xc6/0x1e0 [ 1237.547896][ T1167] [ 1237.550340][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1237.550340][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1237.550340][ T1167] ipv6_find_idev+0x102/0x170 [ 1237.550340][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1237.550340][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.550340][ T1167] netlink_rcv_skb+0x130/0x360 [ 1237.550340][ T1167] netlink_unicast+0x449/0x710 [ 1237.550340][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1237.550340][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1237.550340][ T1167] ___sys_sendmsg+0xee/0x170 [ 1237.550340][ T1167] __sys_sendmsg+0xcd/0x170 [ 1237.550340][ T1167] do_syscall_64+0xc6/0x1e0 [ 1237.550340][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.550340][ T1167] [ 1237.552285][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1237.552285][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1237.552285][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1237.552285][ T1167] ipv6_find_idev+0x102/0x170 [ 1237.552285][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1237.552285][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.552285][ T1167] netlink_rcv_skb+0x130/0x360 [ 1237.552285][ T1167] netlink_unicast+0x449/0x710 [ 1237.552285][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1237.552285][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1237.552285][ T1167] ___sys_sendmsg+0xee/0x170 [ 1237.552285][ T1167] __sys_sendmsg+0xcd/0x170 [ 1237.552285][ T1167] do_syscall_64+0xc6/0x1e0 [ 1237.552285][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.552285][ T1167] [ 1238.817109][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1238.817482][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1238.817482][ T10] netdev_get_by_index+0x5e/0x80 [ 1238.817482][ T10] fib6_nh_init+0x3d8/0x1580 [ 1238.817482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1238.817482][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1238.817482][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1238.817482][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1238.817482][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1238.817482][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1238.817482][ T10] addrconf_dad_begin+0x310/0x670 [ 1238.817482][ T10] addrconf_dad_work+0x10b/0xab0 [ 1238.817482][ T10] process_one_work+0x84d/0x18a0 [ 1238.817482][ T10] worker_thread+0x587/0xd30 [ 1238.817482][ T10] kthread+0x28a/0x350 [ 1238.817482][ T10] ret_from_fork+0x31/0x70 [ 1238.817482][ T10] ret_from_fork_asm+0x1a/0x30 [ 1238.817482][ T10] [ 1238.819621][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1238.819621][ T10] netdev_get_by_index+0x5e/0x80 [ 1238.819621][ T10] fib6_nh_init+0x3d8/0x1580 [ 1238.819621][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1238.819621][ T10] ip6_route_add+0x1c/0x140 [ 1238.819621][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1238.819621][ T10] inet6_addr_add+0x4f8/0xa40 [ 1238.819621][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1238.819621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1238.819621][ T10] netlink_rcv_skb+0x130/0x360 [ 1238.819621][ T10] netlink_unicast+0x449/0x710 [ 1238.819621][ T10] netlink_sendmsg+0x723/0xbe0 [ 1238.819621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1238.819621][ T10] ___sys_sendmsg+0xee/0x170 [ 1238.819621][ T10] __sys_sendmsg+0xcd/0x170 [ 1238.819621][ T10] do_syscall_64+0xc6/0x1e0 [ 1238.819621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1238.819621][ T10] [ 1238.821859][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1238.821859][ T10] netdev_get_by_index+0x5e/0x80 [ 1238.821859][ T10] fib6_nh_init+0x3d8/0x1580 [ 1238.821859][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1238.821859][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1238.821859][ T10] ipv6_add_addr+0x411/0x2000 [ 1238.821859][ T10] inet6_addr_add+0x30e/0xa40 [ 1238.821859][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1238.821859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1238.821859][ T10] netlink_rcv_skb+0x130/0x360 [ 1238.821859][ T10] netlink_unicast+0x449/0x710 [ 1238.821859][ T10] netlink_sendmsg+0x723/0xbe0 [ 1238.821859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1238.821859][ T10] ___sys_sendmsg+0xee/0x170 [ 1238.821859][ T10] __sys_sendmsg+0xcd/0x170 [ 1238.821859][ T10] do_syscall_64+0xc6/0x1e0 [ 1238.821859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1238.821859][ T10] [ 1238.824096][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1238.824096][ T10] netdev_get_by_index+0x5e/0x80 [ 1238.824096][ T10] fib6_nh_init+0x3d8/0x1580 [ 1238.824096][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1238.824096][ T10] ip6_route_add+0x1c/0x140 [ 1238.824096][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1238.824096][ T10] addrconf_add_dev+0xe2/0x170 [ 1238.824096][ T10] inet6_addr_add+0x12f/0xa40 [ 1238.824096][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1238.824096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1238.824096][ T10] netlink_rcv_skb+0x130/0x360 [ 1238.824096][ T10] netlink_unicast+0x449/0x710 [ 1238.824096][ T10] netlink_sendmsg+0x723/0xbe0 [ 1238.824096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1238.824096][ T10] ___sys_sendmsg+0xee/0x170 [ 1238.824096][ T10] __sys_sendmsg+0xcd/0x170 [ 1238.824096][ T10] do_syscall_64+0xc6/0x1e0 [ 1238.824096][ T10] [ 1238.826276][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1238.826276][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1238.826276][ T10] ipv6_find_idev+0x102/0x170 [ 1238.826276][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1238.826276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1238.826276][ T10] netlink_rcv_skb+0x130/0x360 [ 1238.826276][ T10] netlink_unicast+0x449/0x710 [ 1238.826276][ T10] netlink_sendmsg+0x723/0xbe0 [ 1238.826276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1238.826276][ T10] ___sys_sendmsg+0xee/0x170 [ 1238.826276][ T10] __sys_sendmsg+0xcd/0x170 [ 1238.826276][ T10] do_syscall_64+0xc6/0x1e0 [ 1238.826276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1238.826276][ T10] [ 1238.827990][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1238.827990][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1238.827990][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1238.827990][ T10] ipv6_find_idev+0x102/0x170 [ 1238.827990][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1238.827990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1238.827990][ T10] netlink_rcv_skb+0x130/0x360 [ 1238.827990][ T10] netlink_unicast+0x449/0x710 [ 1238.827990][ T10] netlink_sendmsg+0x723/0xbe0 [ 1238.827990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1238.827990][ T10] ___sys_sendmsg+0xee/0x170 [ 1238.827990][ T10] __sys_sendmsg+0xcd/0x170 [ 1238.827990][ T10] do_syscall_64+0xc6/0x1e0 [ 1238.827990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1238.827990][ T10] [ 1238.829856][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1238.830138][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1238.830138][ T10] netdev_get_by_index+0x5e/0x80 [ 1238.830138][ T10] fib6_nh_init+0x3d8/0x1580 [ 1238.830138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1238.830138][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1238.830138][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1238.830138][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1238.830138][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1238.830138][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1238.830138][ T10] addrconf_dad_begin+0x310/0x670 [ 1238.830138][ T10] addrconf_dad_work+0x10b/0xab0 [ 1238.830138][ T10] process_one_work+0x84d/0x18a0 [ 1238.830138][ T10] worker_thread+0x587/0xd30 [ 1238.830138][ T10] kthread+0x28a/0x350 [ 1238.830138][ T10] ret_from_fork+0x31/0x70 [ 1238.830138][ T10] ret_from_fork_asm+0x1a/0x30 [ 1238.830138][ T10] [ 1238.832267][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1238.832267][ T10] netdev_get_by_index+0x5e/0x80 [ 1238.832267][ T10] fib6_nh_init+0x3d8/0x1580 [ 1238.832267][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1238.832267][ T10] ip6_route_add+0x1c/0x140 [ 1238.832267][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1238.832267][ T10] inet6_addr_add+0x4f8/0xa40 [ 1238.832267][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1238.832267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1238.832267][ T10] netlink_rcv_skb+0x130/0x360 [ 1238.832267][ T10] netlink_unicast+0x449/0x710 [ 1238.832267][ T10] netlink_sendmsg+0x723/0xbe0 [ 1238.832267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1238.832267][ T10] ___sys_sendmsg+0xee/0x170 [ 1238.832267][ T10] __sys_sendmsg+0xcd/0x170 [ 1238.832267][ T10] do_syscall_64+0xc6/0x1e0 [ 1238.832267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1238.832267][ T10] [ 1238.834518][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1238.834518][ T10] netdev_get_by_index+0x5e/0x80 [ 1238.834518][ T10] fib6_nh_init+0x3d8/0x1580 [ 1238.834518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1238.834518][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1238.834518][ T10] ipv6_add_addr+0x411/0x2000 [ 1238.834518][ T10] inet6_addr_add+0x30e/0xa40 [ 1238.834518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1238.834518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1238.834518][ T10] netlink_rcv_skb+0x130/0x360 [ 1238.834518][ T10] netlink_unicast+0x449/0x710 [ 1238.834518][ T10] netlink_sendmsg+0x723/0xbe0 [ 1238.834518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1238.834518][ T10] ___sys_sendmsg+0xee/0x170 [ 1238.834518][ T10] __sys_sendmsg+0xcd/0x170 [ 1238.834518][ T10] do_syscall_64+0xc6/0x1e0 [ 1238.834518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1238.834518][ T10] [ 1238.836747][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1238.836747][ T10] netdev_get_by_index+0x5e/0x80 [ 1238.836747][ T10] fib6_nh_init+0x3d8/0x1580 [ 1238.836747][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1238.836747][ T10] ip6_route_add+0x1c/0x140 [ 1238.836747][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1238.836747][ T10] addrconf_add_dev+0xe2/0x170 [ 1238.836747][ T10] inet6_addr_add+0x12f/0xa40 [ 1238.836747][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1238.836747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1238.836747][ T10] netlink_rcv_skb+0x130/0x360 [ 1238.836747][ T10] netlink_unicast+0x449/0x710 [ 1238.836747][ T10] netlink_sendmsg+0x723/0xbe0 [ 1238.836747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1238.836747][ T10] ___sys_sendmsg+0xee/0x170 [ 1238.836747][ T10] __sys_sendmsg+0xcd/0x170 [ 1238.836747][ T10] do_syscall_64+0xc6/0x1e0 [ 1238.836747][ T10] [ 1238.838931][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1238.838931][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1238.838931][ T10] ipv6_find_idev+0x102/0x170 [ 1238.838931][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1238.838931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1238.838931][ T10] netlink_rcv_skb+0x130/0x360 [ 1238.838931][ T10] netlink_unicast+0x449/0x710 [ 1238.838931][ T10] netlink_sendmsg+0x723/0xbe0 [ 1238.838931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1238.838931][ T10] ___sys_sendmsg+0xee/0x170 [ 1238.838931][ T10] __sys_sendmsg+0xcd/0x170 [ 1238.838931][ T10] do_syscall_64+0xc6/0x1e0 [ 1238.838931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1238.838931][ T10] [ 1238.840642][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1238.840642][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1238.840642][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1238.840642][ T10] ipv6_find_idev+0x102/0x170 [ 1238.840642][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1238.840642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1238.840642][ T10] netlink_rcv_skb+0x130/0x360 [ 1238.840642][ T10] netlink_unicast+0x449/0x710 [ 1238.840642][ T10] netlink_sendmsg+0x723/0xbe0 [ 1238.840642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1238.840642][ T10] ___sys_sendmsg+0xee/0x170 [ 1238.840642][ T10] __sys_sendmsg+0xcd/0x170 [ 1238.840642][ T10] do_syscall_64+0xc6/0x1e0 [ 1238.840642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1238.840642][ T10] [ 1238.842530][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1238.842794][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1238.842794][ T10] netdev_get_by_index+0x5e/0x80 [ 1238.842794][ T10] fib6_nh_init+0x3d8/0x1580 [ 1238.842794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1238.842794][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1238.842794][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1238.842794][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1238.842794][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1238.842794][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1238.842794][ T10] addrconf_dad_begin+0x310/0x670 [ 1238.842794][ T10] addrconf_dad_work+0x10b/0xab0 [ 1238.842794][ T10] process_one_work+0x84d/0x18a0 [ 1238.842794][ T10] worker_thread+0x587/0xd30 [ 1238.842794][ T10] kthread+0x28a/0x350 [ 1238.842794][ T10] ret_from_fork+0x31/0x70 [ 1238.842794][ T10] ret_from_fork_asm+0x1a/0x30 [ 1238.842794][ T10] [ 1238.844883][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1238.844883][ T10] netdev_get_by_index+0x5e/0x80 [ 1238.844883][ T10] fib6_nh_init+0x3d8/0x1580 [ 1238.844883][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1238.844883][ T10] ip6_route_add+0x1c/0x140 [ 1238.844883][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1238.844883][ T10] inet6_addr_add+0x4f8/0xa40 [ 1238.844883][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1238.844883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1238.844883][ T10] netlink_rcv_skb+0x130/0x360 [ 1238.844883][ T10] netlink_unicast+0x449/0x710 [ 1238.844883][ T10] netlink_sendmsg+0x723/0xbe0 [ 1238.844883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1238.844883][ T10] ___sys_sendmsg+0xee/0x170 [ 1238.844883][ T10] __sys_sendmsg+0xcd/0x170 [ 1238.844883][ T10] do_syscall_64+0xc6/0x1e0 [ 1238.844883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1238.844883][ T10] [ 1238.847220][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1238.847220][ T10] netdev_get_by_index+0x5e/0x80 [ 1238.847220][ T10] fib6_nh_init+0x3d8/0x1580 [ 1238.847220][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1238.847220][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1238.847220][ T10] ipv6_add_addr+0x411/0x2000 [ 1238.847220][ T10] inet6_addr_add+0x30e/0xa40 [ 1238.847220][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1238.847220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1238.847220][ T10] netlink_rcv_skb+0x130/0x360 [ 1238.847220][ T10] netlink_unicast+0x449/0x710 [ 1238.847220][ T10] netlink_sendmsg+0x723/0xbe0 [ 1238.847220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1238.847220][ T10] ___sys_sendmsg+0xee/0x170 [ 1238.847220][ T10] __sys_sendmsg+0xcd/0x170 [ 1238.847220][ T10] do_syscall_64+0xc6/0x1e0 [ 1238.847220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1238.847220][ T10] [ 1238.849559][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1238.849559][ T10] netdev_get_by_index+0x5e/0x80 [ 1238.849559][ T10] fib6_nh_init+0x3d8/0x1580 [ 1238.849559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1238.849559][ T10] ip6_route_add+0x1c/0x140 [ 1238.849559][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1238.849559][ T10] addrconf_add_dev+0xe2/0x170 [ 1238.849559][ T10] inet6_addr_add+0x12f/0xa40 [ 1238.849559][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1238.849559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1238.849559][ T10] netlink_rcv_skb+0x130/0x360 [ 1238.849559][ T10] netlink_unicast+0x449/0x710 [ 1238.849559][ T10] netlink_sendmsg+0x723/0xbe0 [ 1238.849559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1238.849559][ T10] ___sys_sendmsg+0xee/0x170 [ 1238.849559][ T10] __sys_sendmsg+0xcd/0x170 [ 1238.849559][ T10] do_syscall_64+0xc6/0x1e0 [ 1238.849559][ T10] [ 1238.851877][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1238.851877][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1238.851877][ T10] ipv6_find_idev+0x102/0x170 [ 1238.851877][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1238.851877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1238.851877][ T10] netlink_rcv_skb+0x130/0x360 [ 1238.851877][ T10] netlink_unicast+0x449/0x710 [ 1238.851877][ T10] netlink_sendmsg+0x723/0xbe0 [ 1238.851877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1238.851877][ T10] ___sys_sendmsg+0xee/0x170 [ 1238.851877][ T10] __sys_sendmsg+0xcd/0x170 [ 1238.851877][ T10] do_syscall_64+0xc6/0x1e0 [ 1238.851877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1238.851877][ T10] [ 1238.853639][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1238.853639][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1238.853639][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1238.853639][ T10] ipv6_find_idev+0x102/0x170 [ 1238.853639][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1238.853639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1238.853639][ T10] netlink_rcv_skb+0x130/0x360 [ 1238.853639][ T10] netlink_unicast+0x449/0x710 [ 1238.853639][ T10] netlink_sendmsg+0x723/0xbe0 [ 1238.853639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1238.853639][ T10] ___sys_sendmsg+0xee/0x170 [ 1238.853639][ T10] __sys_sendmsg+0xcd/0x170 [ 1238.853639][ T10] do_syscall_64+0xc6/0x1e0 [ 1238.853639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1238.853639][ T10] [ 1238.855788][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1238.856509][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1238.856509][ T10] netdev_get_by_index+0x5e/0x80 [ 1238.856509][ T10] fib6_nh_init+0x3d8/0x1580 [ 1238.856509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1238.856509][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1238.856509][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1238.856509][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1238.856509][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1238.856509][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1238.856509][ T10] addrconf_dad_begin+0x310/0x670 [ 1238.856509][ T10] addrconf_dad_work+0x10b/0xab0 [ 1238.856509][ T10] process_one_work+0x84d/0x18a0 [ 1238.856509][ T10] worker_thread+0x587/0xd30 [ 1238.856509][ T10] kthread+0x28a/0x350 [ 1238.856509][ T10] ret_from_fork+0x31/0x70 [ 1238.856509][ T10] ret_from_fork_asm+0x1a/0x30 [ 1238.856509][ T10] [ 1238.858646][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1238.858646][ T10] netdev_get_by_index+0x5e/0x80 [ 1238.858646][ T10] fib6_nh_init+0x3d8/0x1580 [ 1238.858646][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1238.858646][ T10] ip6_route_add+0x1c/0x140 [ 1238.858646][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1238.858646][ T10] inet6_addr_add+0x4f8/0xa40 [ 1238.858646][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1238.858646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1238.858646][ T10] netlink_rcv_skb+0x130/0x360 [ 1238.858646][ T10] netlink_unicast+0x449/0x710 [ 1238.858646][ T10] netlink_sendmsg+0x723/0xbe0 [ 1238.858646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1238.858646][ T10] ___sys_sendmsg+0xee/0x170 [ 1238.858646][ T10] __sys_sendmsg+0xcd/0x170 [ 1238.858646][ T10] do_syscall_64+0xc6/0x1e0 [ 1238.858646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1238.858646][ T10] [ 1238.860918][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1238.860918][ T10] netdev_get_by_index+0x5e/0x80 [ 1238.860918][ T10] fib6_nh_init+0x3d8/0x1580 [ 1238.860918][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1238.860918][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1238.860918][ T10] ipv6_add_addr+0x411/0x2000 [ 1238.860918][ T10] inet6_addr_add+0x30e/0xa40 [ 1238.860918][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1238.860918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1238.860918][ T10] netlink_rcv_skb+0x130/0x360 [ 1238.860918][ T10] netlink_unicast+0x449/0x710 [ 1238.860918][ T10] netlink_sendmsg+0x723/0xbe0 [ 1238.860918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1238.860918][ T10] ___sys_sendmsg+0xee/0x170 [ 1238.860918][ T10] __sys_sendmsg+0xcd/0x170 [ 1238.860918][ T10] do_syscall_64+0xc6/0x1e0 [ 1238.860918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1238.860918][ T10] [ 1238.863265][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1238.863265][ T10] netdev_get_by_index+0x5e/0x80 [ 1238.863265][ T10] fib6_nh_init+0x3d8/0x1580 [ 1238.863265][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1238.863265][ T10] ip6_route_add+0x1c/0x140 [ 1238.863265][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1238.863265][ T10] addrconf_add_dev+0xe2/0x170 [ 1238.863265][ T10] inet6_addr_add+0x12f/0xa40 [ 1238.863265][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1238.863265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1238.863265][ T10] netlink_rcv_skb+0x130/0x360 [ 1238.863265][ T10] netlink_unicast+0x449/0x710 [ 1238.863265][ T10] netlink_sendmsg+0x723/0xbe0 [ 1238.863265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1238.863265][ T10] ___sys_sendmsg+0xee/0x170 [ 1238.863265][ T10] __sys_sendmsg+0xcd/0x170 [ 1238.863265][ T10] do_syscall_64+0xc6/0x1e0 [ 1238.863265][ T10] [ 1238.865580][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1238.865580][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1238.865580][ T10] ipv6_find_idev+0x102/0x170 [ 1238.865580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1238.865580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1238.865580][ T10] netlink_rcv_skb+0x130/0x360 [ 1238.865580][ T10] netlink_unicast+0x449/0x710 [ 1238.865580][ T10] netlink_sendmsg+0x723/0xbe0 [ 1238.865580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1238.865580][ T10] ___sys_sendmsg+0xee/0x170 [ 1238.865580][ T10] __sys_sendmsg+0xcd/0x170 [ 1238.865580][ T10] do_syscall_64+0xc6/0x1e0 [ 1238.865580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1238.865580][ T10] [ 1238.867357][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1238.867357][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1238.867357][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1238.867357][ T10] ipv6_find_idev+0x102/0x170 [ 1238.867357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1238.867357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1238.867357][ T10] netlink_rcv_skb+0x130/0x360 [ 1238.867357][ T10] netlink_unicast+0x449/0x710 [ 1238.867357][ T10] netlink_sendmsg+0x723/0xbe0 [ 1238.867357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1238.867357][ T10] ___sys_sendmsg+0xee/0x170 [ 1238.867357][ T10] __sys_sendmsg+0xcd/0x170 [ 1238.867357][ T10] do_syscall_64+0xc6/0x1e0 [ 1238.867357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1238.867357][ T10] [ 1247.577090][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1247.577543][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1247.577543][ T1167] dst_init+0x84/0x4a0 [ 1247.577543][ T1167] dst_alloc+0x97/0x150 [ 1247.577543][ T1167] ip6_dst_alloc+0x23/0x90 [ 1247.577543][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1247.577543][ T1167] ip6_pol_route+0x56f/0x840 [ 1247.577543][ T1167] fib6_rule_lookup+0x334/0x630 [ 1247.577543][ T1167] ip6_route_output_flags+0x259/0x480 [ 1247.577543][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1247.577543][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1247.577543][ T1167] netlink_rcv_skb+0x130/0x360 [ 1247.577543][ T1167] netlink_unicast+0x449/0x710 [ 1247.577543][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1247.577543][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1247.577543][ T1167] ___sys_sendmsg+0xee/0x170 [ 1247.577543][ T1167] __sys_sendmsg+0xcd/0x170 [ 1247.577543][ T1167] do_syscall_64+0xc6/0x1e0 [ 1247.577543][ T1167] [ 1247.579961][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1247.579961][ T1167] netdev_get_by_index+0x5e/0x80 [ 1247.579961][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1247.579961][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1247.579961][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1247.579961][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1247.579961][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1247.579961][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1247.579961][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1247.579961][ T1167] addrconf_dad_begin+0x310/0x670 [ 1247.579961][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1247.579961][ T1167] process_one_work+0x84d/0x18a0 [ 1247.579961][ T1167] worker_thread+0x587/0xd30 [ 1247.579961][ T1167] kthread+0x28a/0x350 [ 1247.579961][ T1167] ret_from_fork+0x31/0x70 [ 1247.579961][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1247.579961][ T1167] [ 1247.582339][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1247.582339][ T1167] netdev_get_by_index+0x5e/0x80 [ 1247.582339][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1247.582339][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1247.582339][ T1167] ip6_route_add+0x1c/0x140 [ 1247.582339][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1247.582339][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1247.582339][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1247.582339][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.582339][ T1167] netlink_rcv_skb+0x130/0x360 [ 1247.582339][ T1167] netlink_unicast+0x449/0x710 [ 1247.582339][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1247.582339][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1247.582339][ T1167] ___sys_sendmsg+0xee/0x170 [ 1247.582339][ T1167] __sys_sendmsg+0xcd/0x170 [ 1247.582339][ T1167] do_syscall_64+0xc6/0x1e0 [ 1247.582339][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.582339][ T1167] [ 1247.584810][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1247.584810][ T1167] netdev_get_by_index+0x5e/0x80 [ 1247.584810][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1247.584810][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1247.584810][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1247.584810][ T1167] ipv6_add_addr+0x411/0x2000 [ 1247.584810][ T1167] inet6_addr_add+0x30e/0xa40 [ 1247.584810][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1247.584810][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.584810][ T1167] netlink_rcv_skb+0x130/0x360 [ 1247.584810][ T1167] netlink_unicast+0x449/0x710 [ 1247.584810][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1247.584810][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1247.584810][ T1167] ___sys_sendmsg+0xee/0x170 [ 1247.584810][ T1167] __sys_sendmsg+0xcd/0x170 [ 1247.584810][ T1167] do_syscall_64+0xc6/0x1e0 [ 1247.584810][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.584810][ T1167] [ 1247.587279][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1247.587279][ T1167] netdev_get_by_index+0x5e/0x80 [ 1247.587279][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1247.587279][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1247.587279][ T1167] ip6_route_add+0x1c/0x140 [ 1247.587279][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1247.587279][ T1167] addrconf_add_dev+0xe2/0x170 [ 1247.587279][ T1167] inet6_addr_add+0x12f/0xa40 [ 1247.587279][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1247.587279][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.587279][ T1167] netlink_rcv_skb+0x130/0x360 [ 1247.587279][ T1167] netlink_unicast+0x449/0x710 [ 1247.587279][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1247.587279][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1247.587279][ T1167] ___sys_sendmsg+0xee/0x170 [ 1247.587279][ T1167] __sys_sendmsg+0xcd/0x170 [ 1247.587279][ T1167] do_syscall_64+0xc6/0x1e0 [ 1247.587279][ T1167] [ 1247.589746][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1247.589746][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1247.589746][ T1167] ipv6_find_idev+0x102/0x170 [ 1247.589746][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1247.589746][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.589746][ T1167] netlink_rcv_skb+0x130/0x360 [ 1247.589746][ T1167] netlink_unicast+0x449/0x710 [ 1247.589746][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1247.589746][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1247.589746][ T1167] ___sys_sendmsg+0xee/0x170 [ 1247.589746][ T1167] __sys_sendmsg+0xcd/0x170 [ 1247.589746][ T1167] do_syscall_64+0xc6/0x1e0 [ 1247.589746][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.589746][ T1167] [ 1247.591780][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1247.591780][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1247.591780][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1247.591780][ T1167] ipv6_find_idev+0x102/0x170 [ 1247.591780][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1247.591780][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.591780][ T1167] netlink_rcv_skb+0x130/0x360 [ 1247.591780][ T1167] netlink_unicast+0x449/0x710 [ 1247.591780][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1247.591780][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1247.591780][ T1167] ___sys_sendmsg+0xee/0x170 [ 1247.591780][ T1167] __sys_sendmsg+0xcd/0x170 [ 1247.591780][ T1167] do_syscall_64+0xc6/0x1e0 [ 1247.591780][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.591780][ T1167] [ 1249.113076][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1249.113485][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1249.113485][ T10] netdev_get_by_index+0x5e/0x80 [ 1249.113485][ T10] fib6_nh_init+0x3d8/0x1580 [ 1249.113485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1249.113485][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1249.113485][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1249.113485][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1249.113485][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1249.113485][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1249.113485][ T10] addrconf_dad_begin+0x310/0x670 [ 1249.113485][ T10] addrconf_dad_work+0x10b/0xab0 [ 1249.113485][ T10] process_one_work+0x84d/0x18a0 [ 1249.113485][ T10] worker_thread+0x587/0xd30 [ 1249.113485][ T10] kthread+0x28a/0x350 [ 1249.113485][ T10] ret_from_fork+0x31/0x70 [ 1249.113485][ T10] ret_from_fork_asm+0x1a/0x30 [ 1249.113485][ T10] [ 1249.115657][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1249.115657][ T10] netdev_get_by_index+0x5e/0x80 [ 1249.115657][ T10] fib6_nh_init+0x3d8/0x1580 [ 1249.115657][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1249.115657][ T10] ip6_route_add+0x1c/0x140 [ 1249.115657][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1249.115657][ T10] inet6_addr_add+0x4f8/0xa40 [ 1249.115657][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1249.115657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.115657][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.115657][ T10] netlink_unicast+0x449/0x710 [ 1249.115657][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.115657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.115657][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.115657][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.115657][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.115657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.115657][ T10] [ 1249.117913][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1249.117913][ T10] netdev_get_by_index+0x5e/0x80 [ 1249.117913][ T10] fib6_nh_init+0x3d8/0x1580 [ 1249.117913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1249.117913][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1249.117913][ T10] ipv6_add_addr+0x411/0x2000 [ 1249.117913][ T10] inet6_addr_add+0x30e/0xa40 [ 1249.117913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1249.117913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.117913][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.117913][ T10] netlink_unicast+0x449/0x710 [ 1249.117913][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.117913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.117913][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.117913][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.117913][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.117913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.117913][ T10] [ 1249.120164][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1249.120164][ T10] netdev_get_by_index+0x5e/0x80 [ 1249.120164][ T10] fib6_nh_init+0x3d8/0x1580 [ 1249.120164][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1249.120164][ T10] ip6_route_add+0x1c/0x140 [ 1249.120164][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1249.120164][ T10] addrconf_add_dev+0xe2/0x170 [ 1249.120164][ T10] inet6_addr_add+0x12f/0xa40 [ 1249.120164][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1249.120164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.120164][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.120164][ T10] netlink_unicast+0x449/0x710 [ 1249.120164][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.120164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.120164][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.120164][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.120164][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.120164][ T10] [ 1249.122383][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1249.122383][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1249.122383][ T10] ipv6_find_idev+0x102/0x170 [ 1249.122383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1249.122383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.122383][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.122383][ T10] netlink_unicast+0x449/0x710 [ 1249.122383][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.122383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.122383][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.122383][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.122383][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.122383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.122383][ T10] [ 1249.124115][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1249.124115][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1249.124115][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1249.124115][ T10] ipv6_find_idev+0x102/0x170 [ 1249.124115][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1249.124115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.124115][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.124115][ T10] netlink_unicast+0x449/0x710 [ 1249.124115][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.124115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.124115][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.124115][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.124115][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.124115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.124115][ T10] [ 1249.126114][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1249.126397][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1249.126397][ T10] netdev_get_by_index+0x5e/0x80 [ 1249.126397][ T10] fib6_nh_init+0x3d8/0x1580 [ 1249.126397][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1249.126397][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1249.126397][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1249.126397][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1249.126397][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1249.126397][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1249.126397][ T10] addrconf_dad_begin+0x310/0x670 [ 1249.126397][ T10] addrconf_dad_work+0x10b/0xab0 [ 1249.126397][ T10] process_one_work+0x84d/0x18a0 [ 1249.126397][ T10] worker_thread+0x587/0xd30 [ 1249.126397][ T10] kthread+0x28a/0x350 [ 1249.126397][ T10] ret_from_fork+0x31/0x70 [ 1249.126397][ T10] ret_from_fork_asm+0x1a/0x30 [ 1249.126397][ T10] [ 1249.128727][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1249.128727][ T10] netdev_get_by_index+0x5e/0x80 [ 1249.128727][ T10] fib6_nh_init+0x3d8/0x1580 [ 1249.128727][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1249.128727][ T10] ip6_route_add+0x1c/0x140 [ 1249.128727][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1249.128727][ T10] inet6_addr_add+0x4f8/0xa40 [ 1249.128727][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1249.128727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.128727][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.128727][ T10] netlink_unicast+0x449/0x710 [ 1249.128727][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.128727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.128727][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.128727][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.128727][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.128727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.128727][ T10] [ 1249.130991][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1249.130991][ T10] netdev_get_by_index+0x5e/0x80 [ 1249.130991][ T10] fib6_nh_init+0x3d8/0x1580 [ 1249.130991][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1249.130991][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1249.130991][ T10] ipv6_add_addr+0x411/0x2000 [ 1249.130991][ T10] inet6_addr_add+0x30e/0xa40 [ 1249.130991][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1249.130991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.130991][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.130991][ T10] netlink_unicast+0x449/0x710 [ 1249.130991][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.130991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.130991][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.130991][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.130991][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.130991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.130991][ T10] [ 1249.133243][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1249.133243][ T10] netdev_get_by_index+0x5e/0x80 [ 1249.133243][ T10] fib6_nh_init+0x3d8/0x1580 [ 1249.133243][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1249.133243][ T10] ip6_route_add+0x1c/0x140 [ 1249.133243][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1249.133243][ T10] addrconf_add_dev+0xe2/0x170 [ 1249.133243][ T10] inet6_addr_add+0x12f/0xa40 [ 1249.133243][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1249.133243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.133243][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.133243][ T10] netlink_unicast+0x449/0x710 [ 1249.133243][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.133243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.133243][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.133243][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.133243][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.133243][ T10] [ 1249.135456][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1249.135456][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1249.135456][ T10] ipv6_find_idev+0x102/0x170 [ 1249.135456][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1249.135456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.135456][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.135456][ T10] netlink_unicast+0x449/0x710 [ 1249.135456][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.135456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.135456][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.135456][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.135456][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.135456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.135456][ T10] [ 1249.137232][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1249.137232][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1249.137232][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1249.137232][ T10] ipv6_find_idev+0x102/0x170 [ 1249.137232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1249.137232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.137232][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.137232][ T10] netlink_unicast+0x449/0x710 [ 1249.137232][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.137232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.137232][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.137232][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.137232][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.137232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.137232][ T10] [ 1249.139151][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1249.139440][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1249.139440][ T10] netdev_get_by_index+0x5e/0x80 [ 1249.139440][ T10] fib6_nh_init+0x3d8/0x1580 [ 1249.139440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1249.139440][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1249.139440][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1249.139440][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1249.139440][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1249.139440][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1249.139440][ T10] addrconf_dad_begin+0x310/0x670 [ 1249.139440][ T10] addrconf_dad_work+0x10b/0xab0 [ 1249.139440][ T10] process_one_work+0x84d/0x18a0 [ 1249.139440][ T10] worker_thread+0x587/0xd30 [ 1249.139440][ T10] kthread+0x28a/0x350 [ 1249.139440][ T10] ret_from_fork+0x31/0x70 [ 1249.139440][ T10] ret_from_fork_asm+0x1a/0x30 [ 1249.139440][ T10] [ 1249.141596][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1249.141596][ T10] netdev_get_by_index+0x5e/0x80 [ 1249.141596][ T10] fib6_nh_init+0x3d8/0x1580 [ 1249.141596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1249.141596][ T10] ip6_route_add+0x1c/0x140 [ 1249.141596][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1249.141596][ T10] inet6_addr_add+0x4f8/0xa40 [ 1249.141596][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1249.141596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.141596][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.141596][ T10] netlink_unicast+0x449/0x710 [ 1249.141596][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.141596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.141596][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.141596][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.141596][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.141596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.141596][ T10] [ 1249.144548][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1249.144548][ T10] netdev_get_by_index+0x5e/0x80 [ 1249.144548][ T10] fib6_nh_init+0x3d8/0x1580 [ 1249.144548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1249.144548][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1249.144548][ T10] ipv6_add_addr+0x411/0x2000 [ 1249.144548][ T10] inet6_addr_add+0x30e/0xa40 [ 1249.144548][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1249.144548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.144548][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.144548][ T10] netlink_unicast+0x449/0x710 [ 1249.144548][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.144548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.144548][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.144548][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.144548][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.144548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.144548][ T10] [ 1249.147051][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1249.147051][ T10] netdev_get_by_index+0x5e/0x80 [ 1249.147051][ T10] fib6_nh_init+0x3d8/0x1580 [ 1249.147051][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1249.147051][ T10] ip6_route_add+0x1c/0x140 [ 1249.147051][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1249.147051][ T10] addrconf_add_dev+0xe2/0x170 [ 1249.147051][ T10] inet6_addr_add+0x12f/0xa40 [ 1249.147051][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1249.147051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.147051][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.147051][ T10] netlink_unicast+0x449/0x710 [ 1249.147051][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.147051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.147051][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.147051][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.147051][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.147051][ T10] [ 1249.149524][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1249.149524][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1249.149524][ T10] ipv6_find_idev+0x102/0x170 [ 1249.149524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1249.149524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.149524][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.149524][ T10] netlink_unicast+0x449/0x710 [ 1249.149524][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.149524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.149524][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.149524][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.149524][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.149524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.149524][ T10] [ 1249.151441][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1249.151441][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1249.151441][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1249.151441][ T10] ipv6_find_idev+0x102/0x170 [ 1249.151441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1249.151441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.151441][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.151441][ T10] netlink_unicast+0x449/0x710 [ 1249.151441][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.151441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.151441][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.151441][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.151441][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.151441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.151441][ T10] [ 1249.153596][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1249.153861][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1249.153861][ T10] netdev_get_by_index+0x5e/0x80 [ 1249.153861][ T10] fib6_nh_init+0x3d8/0x1580 [ 1249.153861][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1249.153861][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1249.153861][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1249.153861][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1249.153861][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1249.153861][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1249.153861][ T10] addrconf_dad_begin+0x310/0x670 [ 1249.153861][ T10] addrconf_dad_work+0x10b/0xab0 [ 1249.153861][ T10] process_one_work+0x84d/0x18a0 [ 1249.153861][ T10] worker_thread+0x587/0xd30 [ 1249.153861][ T10] kthread+0x28a/0x350 [ 1249.153861][ T10] ret_from_fork+0x31/0x70 [ 1249.153861][ T10] ret_from_fork_asm+0x1a/0x30 [ 1249.153861][ T10] [ 1249.156260][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1249.156260][ T10] netdev_get_by_index+0x5e/0x80 [ 1249.156260][ T10] fib6_nh_init+0x3d8/0x1580 [ 1249.156260][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1249.156260][ T10] ip6_route_add+0x1c/0x140 [ 1249.156260][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1249.156260][ T10] inet6_addr_add+0x4f8/0xa40 [ 1249.156260][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1249.156260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.156260][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.156260][ T10] netlink_unicast+0x449/0x710 [ 1249.156260][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.156260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.156260][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.156260][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.156260][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.156260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.156260][ T10] [ 1249.158740][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1249.158740][ T10] netdev_get_by_index+0x5e/0x80 [ 1249.158740][ T10] fib6_nh_init+0x3d8/0x1580 [ 1249.158740][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1249.158740][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1249.158740][ T10] ipv6_add_addr+0x411/0x2000 [ 1249.158740][ T10] inet6_addr_add+0x30e/0xa40 [ 1249.158740][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1249.158740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.158740][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.158740][ T10] netlink_unicast+0x449/0x710 [ 1249.158740][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.158740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.158740][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.158740][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.158740][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.158740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.158740][ T10] [ 1249.161234][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1249.161234][ T10] netdev_get_by_index+0x5e/0x80 [ 1249.161234][ T10] fib6_nh_init+0x3d8/0x1580 [ 1249.161234][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1249.161234][ T10] ip6_route_add+0x1c/0x140 [ 1249.161234][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1249.161234][ T10] addrconf_add_dev+0xe2/0x170 [ 1249.161234][ T10] inet6_addr_add+0x12f/0xa40 [ 1249.161234][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1249.161234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.161234][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.161234][ T10] netlink_unicast+0x449/0x710 [ 1249.161234][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.161234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.161234][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.161234][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.161234][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.161234][ T10] [ 1249.163840][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1249.163840][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1249.163840][ T10] ipv6_find_idev+0x102/0x170 [ 1249.163840][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1249.163840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.163840][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.163840][ T10] netlink_unicast+0x449/0x710 [ 1249.163840][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.163840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.163840][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.163840][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.163840][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.163840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.163840][ T10] [ 1249.165837][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1249.165837][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1249.165837][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1249.165837][ T10] ipv6_find_idev+0x102/0x170 [ 1249.165837][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1249.165837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.165837][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.165837][ T10] netlink_unicast+0x449/0x710 [ 1249.165837][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.165837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.165837][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.165837][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.165837][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.165837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.165837][ T10] [ 1257.673120][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1257.673568][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1257.673568][ T1167] dst_init+0x84/0x4a0 [ 1257.673568][ T1167] dst_alloc+0x97/0x150 [ 1257.673568][ T1167] ip6_dst_alloc+0x23/0x90 [ 1257.673568][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1257.673568][ T1167] ip6_pol_route+0x56f/0x840 [ 1257.673568][ T1167] fib6_rule_lookup+0x334/0x630 [ 1257.673568][ T1167] ip6_route_output_flags+0x259/0x480 [ 1257.673568][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1257.673568][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1257.673568][ T1167] netlink_rcv_skb+0x130/0x360 [ 1257.673568][ T1167] netlink_unicast+0x449/0x710 [ 1257.673568][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1257.673568][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1257.673568][ T1167] ___sys_sendmsg+0xee/0x170 [ 1257.673568][ T1167] __sys_sendmsg+0xcd/0x170 [ 1257.673568][ T1167] do_syscall_64+0xc6/0x1e0 [ 1257.673568][ T1167] [ 1257.675964][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1257.675964][ T1167] netdev_get_by_index+0x5e/0x80 [ 1257.675964][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1257.675964][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1257.675964][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1257.675964][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1257.675964][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1257.675964][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1257.675964][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1257.675964][ T1167] addrconf_dad_begin+0x310/0x670 [ 1257.675964][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1257.675964][ T1167] process_one_work+0x84d/0x18a0 [ 1257.675964][ T1167] worker_thread+0x587/0xd30 [ 1257.675964][ T1167] kthread+0x28a/0x350 [ 1257.675964][ T1167] ret_from_fork+0x31/0x70 [ 1257.675964][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1257.675964][ T1167] [ 1257.678322][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1257.678322][ T1167] netdev_get_by_index+0x5e/0x80 [ 1257.678322][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1257.678322][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1257.678322][ T1167] ip6_route_add+0x1c/0x140 [ 1257.678322][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1257.678322][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1257.678322][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1257.678322][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.678322][ T1167] netlink_rcv_skb+0x130/0x360 [ 1257.678322][ T1167] netlink_unicast+0x449/0x710 [ 1257.678322][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1257.678322][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1257.678322][ T1167] ___sys_sendmsg+0xee/0x170 [ 1257.678322][ T1167] __sys_sendmsg+0xcd/0x170 [ 1257.678322][ T1167] do_syscall_64+0xc6/0x1e0 [ 1257.678322][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.678322][ T1167] [ 1257.680776][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1257.680776][ T1167] netdev_get_by_index+0x5e/0x80 [ 1257.680776][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1257.680776][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1257.680776][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1257.680776][ T1167] ipv6_add_addr+0x411/0x2000 [ 1257.680776][ T1167] inet6_addr_add+0x30e/0xa40 [ 1257.680776][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1257.680776][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.680776][ T1167] netlink_rcv_skb+0x130/0x360 [ 1257.680776][ T1167] netlink_unicast+0x449/0x710 [ 1257.680776][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1257.680776][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1257.680776][ T1167] ___sys_sendmsg+0xee/0x170 [ 1257.680776][ T1167] __sys_sendmsg+0xcd/0x170 [ 1257.680776][ T1167] do_syscall_64+0xc6/0x1e0 [ 1257.680776][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.680776][ T1167] [ 1257.683232][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1257.683232][ T1167] netdev_get_by_index+0x5e/0x80 [ 1257.683232][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1257.683232][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1257.683232][ T1167] ip6_route_add+0x1c/0x140 [ 1257.683232][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1257.683232][ T1167] addrconf_add_dev+0xe2/0x170 [ 1257.683232][ T1167] inet6_addr_add+0x12f/0xa40 [ 1257.683232][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1257.683232][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.683232][ T1167] netlink_rcv_skb+0x130/0x360 [ 1257.683232][ T1167] netlink_unicast+0x449/0x710 [ 1257.683232][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1257.683232][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1257.683232][ T1167] ___sys_sendmsg+0xee/0x170 [ 1257.683232][ T1167] __sys_sendmsg+0xcd/0x170 [ 1257.683232][ T1167] do_syscall_64+0xc6/0x1e0 [ 1257.683232][ T1167] [ 1257.685641][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1257.685641][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1257.685641][ T1167] ipv6_find_idev+0x102/0x170 [ 1257.685641][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1257.685641][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.685641][ T1167] netlink_rcv_skb+0x130/0x360 [ 1257.685641][ T1167] netlink_unicast+0x449/0x710 [ 1257.685641][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1257.685641][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1257.685641][ T1167] ___sys_sendmsg+0xee/0x170 [ 1257.685641][ T1167] __sys_sendmsg+0xcd/0x170 [ 1257.685641][ T1167] do_syscall_64+0xc6/0x1e0 [ 1257.685641][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.685641][ T1167] [ 1257.687532][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1257.687532][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1257.687532][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1257.687532][ T1167] ipv6_find_idev+0x102/0x170 [ 1257.687532][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1257.687532][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.687532][ T1167] netlink_rcv_skb+0x130/0x360 [ 1257.687532][ T1167] netlink_unicast+0x449/0x710 [ 1257.687532][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1257.687532][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1257.687532][ T1167] ___sys_sendmsg+0xee/0x170 [ 1257.687532][ T1167] __sys_sendmsg+0xcd/0x170 [ 1257.687532][ T1167] do_syscall_64+0xc6/0x1e0 [ 1257.687532][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.687532][ T1167] [ 1259.209265][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1259.209656][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1259.209656][ T10] netdev_get_by_index+0x5e/0x80 [ 1259.209656][ T10] fib6_nh_init+0x3d8/0x1580 [ 1259.209656][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1259.209656][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1259.209656][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1259.209656][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1259.209656][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1259.209656][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1259.209656][ T10] addrconf_dad_begin+0x310/0x670 [ 1259.209656][ T10] addrconf_dad_work+0x10b/0xab0 [ 1259.209656][ T10] process_one_work+0x84d/0x18a0 [ 1259.209656][ T10] worker_thread+0x587/0xd30 [ 1259.209656][ T10] kthread+0x28a/0x350 [ 1259.209656][ T10] ret_from_fork+0x31/0x70 [ 1259.209656][ T10] ret_from_fork_asm+0x1a/0x30 [ 1259.209656][ T10] [ 1259.211638][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1259.211638][ T10] netdev_get_by_index+0x5e/0x80 [ 1259.211638][ T10] fib6_nh_init+0x3d8/0x1580 [ 1259.211638][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1259.211638][ T10] ip6_route_add+0x1c/0x140 [ 1259.211638][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1259.211638][ T10] inet6_addr_add+0x4f8/0xa40 [ 1259.211638][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1259.211638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.211638][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.211638][ T10] netlink_unicast+0x449/0x710 [ 1259.211638][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.211638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.211638][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.211638][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.211638][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.211638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.211638][ T10] [ 1259.213654][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1259.213654][ T10] netdev_get_by_index+0x5e/0x80 [ 1259.213654][ T10] fib6_nh_init+0x3d8/0x1580 [ 1259.213654][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1259.213654][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1259.213654][ T10] ipv6_add_addr+0x411/0x2000 [ 1259.213654][ T10] inet6_addr_add+0x30e/0xa40 [ 1259.213654][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1259.213654][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.213654][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.213654][ T10] netlink_unicast+0x449/0x710 [ 1259.213654][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.213654][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.213654][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.213654][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.213654][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.213654][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.213654][ T10] [ 1259.215661][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1259.215661][ T10] netdev_get_by_index+0x5e/0x80 [ 1259.215661][ T10] fib6_nh_init+0x3d8/0x1580 [ 1259.215661][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1259.215661][ T10] ip6_route_add+0x1c/0x140 [ 1259.215661][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1259.215661][ T10] addrconf_add_dev+0xe2/0x170 [ 1259.215661][ T10] inet6_addr_add+0x12f/0xa40 [ 1259.215661][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1259.215661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.215661][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.215661][ T10] netlink_unicast+0x449/0x710 [ 1259.215661][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.215661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.215661][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.215661][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.215661][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.215661][ T10] [ 1259.217674][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1259.217674][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1259.217674][ T10] ipv6_find_idev+0x102/0x170 [ 1259.217674][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1259.217674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.217674][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.217674][ T10] netlink_unicast+0x449/0x710 [ 1259.217674][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.217674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.217674][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.217674][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.217674][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.217674][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.217674][ T10] [ 1259.219303][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1259.219303][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1259.219303][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1259.219303][ T10] ipv6_find_idev+0x102/0x170 [ 1259.219303][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1259.219303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.219303][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.219303][ T10] netlink_unicast+0x449/0x710 [ 1259.219303][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.219303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.219303][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.219303][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.219303][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.219303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.219303][ T10] [ 1259.221058][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1259.221311][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1259.221311][ T10] netdev_get_by_index+0x5e/0x80 [ 1259.221311][ T10] fib6_nh_init+0x3d8/0x1580 [ 1259.221311][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1259.221311][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1259.221311][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1259.221311][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1259.221311][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1259.221311][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1259.221311][ T10] addrconf_dad_begin+0x310/0x670 [ 1259.221311][ T10] addrconf_dad_work+0x10b/0xab0 [ 1259.221311][ T10] process_one_work+0x84d/0x18a0 [ 1259.221311][ T10] worker_thread+0x587/0xd30 [ 1259.221311][ T10] kthread+0x28a/0x350 [ 1259.221311][ T10] ret_from_fork+0x31/0x70 [ 1259.221311][ T10] ret_from_fork_asm+0x1a/0x30 [ 1259.221311][ T10] [ 1259.223255][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1259.223255][ T10] netdev_get_by_index+0x5e/0x80 [ 1259.223255][ T10] fib6_nh_init+0x3d8/0x1580 [ 1259.223255][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1259.223255][ T10] ip6_route_add+0x1c/0x140 [ 1259.223255][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1259.223255][ T10] inet6_addr_add+0x4f8/0xa40 [ 1259.223255][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1259.223255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.223255][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.223255][ T10] netlink_unicast+0x449/0x710 [ 1259.223255][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.223255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.223255][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.223255][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.223255][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.223255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.223255][ T10] [ 1259.225264][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1259.225264][ T10] netdev_get_by_index+0x5e/0x80 [ 1259.225264][ T10] fib6_nh_init+0x3d8/0x1580 [ 1259.225264][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1259.225264][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1259.225264][ T10] ipv6_add_addr+0x411/0x2000 [ 1259.225264][ T10] inet6_addr_add+0x30e/0xa40 [ 1259.225264][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1259.225264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.225264][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.225264][ T10] netlink_unicast+0x449/0x710 [ 1259.225264][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.225264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.225264][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.225264][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.225264][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.225264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.225264][ T10] [ 1259.227300][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1259.227300][ T10] netdev_get_by_index+0x5e/0x80 [ 1259.227300][ T10] fib6_nh_init+0x3d8/0x1580 [ 1259.227300][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1259.227300][ T10] ip6_route_add+0x1c/0x140 [ 1259.227300][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1259.227300][ T10] addrconf_add_dev+0xe2/0x170 [ 1259.227300][ T10] inet6_addr_add+0x12f/0xa40 [ 1259.227300][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1259.227300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.227300][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.227300][ T10] netlink_unicast+0x449/0x710 [ 1259.227300][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.227300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.227300][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.227300][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.227300][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.227300][ T10] [ 1259.229388][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1259.229388][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1259.229388][ T10] ipv6_find_idev+0x102/0x170 [ 1259.229388][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1259.229388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.229388][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.229388][ T10] netlink_unicast+0x449/0x710 [ 1259.229388][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.229388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.229388][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.229388][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.229388][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.229388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.229388][ T10] [ 1259.230942][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1259.230942][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1259.230942][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1259.230942][ T10] ipv6_find_idev+0x102/0x170 [ 1259.230942][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1259.230942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.230942][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.230942][ T10] netlink_unicast+0x449/0x710 [ 1259.230942][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.230942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.230942][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.230942][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.230942][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.230942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.230942][ T10] [ 1259.232643][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1259.232887][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1259.232887][ T10] netdev_get_by_index+0x5e/0x80 [ 1259.232887][ T10] fib6_nh_init+0x3d8/0x1580 [ 1259.232887][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1259.232887][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1259.232887][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1259.232887][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1259.232887][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1259.232887][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1259.232887][ T10] addrconf_dad_begin+0x310/0x670 [ 1259.232887][ T10] addrconf_dad_work+0x10b/0xab0 [ 1259.232887][ T10] process_one_work+0x84d/0x18a0 [ 1259.232887][ T10] worker_thread+0x587/0xd30 [ 1259.232887][ T10] kthread+0x28a/0x350 [ 1259.232887][ T10] ret_from_fork+0x31/0x70 [ 1259.232887][ T10] ret_from_fork_asm+0x1a/0x30 [ 1259.232887][ T10] [ 1259.234811][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1259.234811][ T10] netdev_get_by_index+0x5e/0x80 [ 1259.234811][ T10] fib6_nh_init+0x3d8/0x1580 [ 1259.234811][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1259.234811][ T10] ip6_route_add+0x1c/0x140 [ 1259.234811][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1259.234811][ T10] inet6_addr_add+0x4f8/0xa40 [ 1259.234811][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1259.234811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.234811][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.234811][ T10] netlink_unicast+0x449/0x710 [ 1259.234811][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.234811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.234811][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.234811][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.234811][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.234811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.234811][ T10] [ 1259.236991][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1259.236991][ T10] netdev_get_by_index+0x5e/0x80 [ 1259.236991][ T10] fib6_nh_init+0x3d8/0x1580 [ 1259.236991][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1259.236991][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1259.236991][ T10] ipv6_add_addr+0x411/0x2000 [ 1259.236991][ T10] inet6_addr_add+0x30e/0xa40 [ 1259.236991][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1259.236991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.236991][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.236991][ T10] netlink_unicast+0x449/0x710 [ 1259.236991][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.236991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.236991][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.236991][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.236991][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.236991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.236991][ T10] [ 1259.239144][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1259.239144][ T10] netdev_get_by_index+0x5e/0x80 [ 1259.239144][ T10] fib6_nh_init+0x3d8/0x1580 [ 1259.239144][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1259.239144][ T10] ip6_route_add+0x1c/0x140 [ 1259.239144][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1259.239144][ T10] addrconf_add_dev+0xe2/0x170 [ 1259.239144][ T10] inet6_addr_add+0x12f/0xa40 [ 1259.239144][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1259.239144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.239144][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.239144][ T10] netlink_unicast+0x449/0x710 [ 1259.239144][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.239144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.239144][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.239144][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.239144][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.239144][ T10] [ 1259.241328][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1259.241328][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1259.241328][ T10] ipv6_find_idev+0x102/0x170 [ 1259.241328][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1259.241328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.241328][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.241328][ T10] netlink_unicast+0x449/0x710 [ 1259.241328][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.241328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.241328][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.241328][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.241328][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.241328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.241328][ T10] [ 1259.242956][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1259.242956][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1259.242956][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1259.242956][ T10] ipv6_find_idev+0x102/0x170 [ 1259.242956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1259.242956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.242956][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.242956][ T10] netlink_unicast+0x449/0x710 [ 1259.242956][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.242956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.242956][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.242956][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.242956][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.242956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.242956][ T10] [ 1259.244809][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1259.245063][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1259.245063][ T10] netdev_get_by_index+0x5e/0x80 [ 1259.245063][ T10] fib6_nh_init+0x3d8/0x1580 [ 1259.245063][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1259.245063][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1259.245063][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1259.245063][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1259.245063][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1259.245063][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1259.245063][ T10] addrconf_dad_begin+0x310/0x670 [ 1259.245063][ T10] addrconf_dad_work+0x10b/0xab0 [ 1259.245063][ T10] process_one_work+0x84d/0x18a0 [ 1259.245063][ T10] worker_thread+0x587/0xd30 [ 1259.245063][ T10] kthread+0x28a/0x350 [ 1259.245063][ T10] ret_from_fork+0x31/0x70 [ 1259.245063][ T10] ret_from_fork_asm+0x1a/0x30 [ 1259.245063][ T10] [ 1259.247140][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1259.247140][ T10] netdev_get_by_index+0x5e/0x80 [ 1259.247140][ T10] fib6_nh_init+0x3d8/0x1580 [ 1259.247140][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1259.247140][ T10] ip6_route_add+0x1c/0x140 [ 1259.247140][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1259.247140][ T10] inet6_addr_add+0x4f8/0xa40 [ 1259.247140][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1259.247140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.247140][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.247140][ T10] netlink_unicast+0x449/0x710 [ 1259.247140][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.247140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.247140][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.247140][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.247140][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.247140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.247140][ T10] [ 1259.249302][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1259.249302][ T10] netdev_get_by_index+0x5e/0x80 [ 1259.249302][ T10] fib6_nh_init+0x3d8/0x1580 [ 1259.249302][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1259.249302][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1259.249302][ T10] ipv6_add_addr+0x411/0x2000 [ 1259.249302][ T10] inet6_addr_add+0x30e/0xa40 [ 1259.249302][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1259.249302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.249302][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.249302][ T10] netlink_unicast+0x449/0x710 [ 1259.249302][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.249302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.249302][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.249302][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.249302][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.249302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.249302][ T10] [ 1259.251527][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1259.251527][ T10] netdev_get_by_index+0x5e/0x80 [ 1259.251527][ T10] fib6_nh_init+0x3d8/0x1580 [ 1259.251527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1259.251527][ T10] ip6_route_add+0x1c/0x140 [ 1259.251527][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1259.251527][ T10] addrconf_add_dev+0xe2/0x170 [ 1259.251527][ T10] inet6_addr_add+0x12f/0xa40 [ 1259.251527][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1259.251527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.251527][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.251527][ T10] netlink_unicast+0x449/0x710 [ 1259.251527][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.251527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.251527][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.251527][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.251527][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.251527][ T10] [ 1259.253664][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1259.253664][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1259.253664][ T10] ipv6_find_idev+0x102/0x170 [ 1259.253664][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1259.253664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.253664][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.253664][ T10] netlink_unicast+0x449/0x710 [ 1259.253664][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.253664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.253664][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.253664][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.253664][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.253664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.253664][ T10] [ 1259.255290][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1259.255290][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1259.255290][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1259.255290][ T10] ipv6_find_idev+0x102/0x170 [ 1259.255290][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1259.255290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.255290][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.255290][ T10] netlink_unicast+0x449/0x710 [ 1259.255290][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.255290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.255290][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.255290][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.255290][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.255290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.255290][ T10] [ 1267.937097][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1267.937612][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1267.937612][ T1167] dst_init+0x84/0x4a0 [ 1267.937612][ T1167] dst_alloc+0x97/0x150 [ 1267.937612][ T1167] ip6_dst_alloc+0x23/0x90 [ 1267.937612][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1267.937612][ T1167] ip6_pol_route+0x56f/0x840 [ 1267.937612][ T1167] fib6_rule_lookup+0x334/0x630 [ 1267.937612][ T1167] ip6_route_output_flags+0x259/0x480 [ 1267.937612][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1267.937612][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1267.937612][ T1167] netlink_rcv_skb+0x130/0x360 [ 1267.937612][ T1167] netlink_unicast+0x449/0x710 [ 1267.937612][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1267.937612][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1267.937612][ T1167] ___sys_sendmsg+0xee/0x170 [ 1267.937612][ T1167] __sys_sendmsg+0xcd/0x170 [ 1267.937612][ T1167] do_syscall_64+0xc6/0x1e0 [ 1267.937612][ T1167] [ 1267.940028][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1267.940028][ T1167] netdev_get_by_index+0x5e/0x80 [ 1267.940028][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1267.940028][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1267.940028][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1267.940028][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1267.940028][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1267.940028][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1267.940028][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1267.940028][ T1167] addrconf_dad_begin+0x310/0x670 [ 1267.940028][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1267.940028][ T1167] process_one_work+0x84d/0x18a0 [ 1267.940028][ T1167] worker_thread+0x587/0xd30 [ 1267.940028][ T1167] kthread+0x28a/0x350 [ 1267.940028][ T1167] ret_from_fork+0x31/0x70 [ 1267.940028][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1267.940028][ T1167] [ 1267.942405][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1267.942405][ T1167] netdev_get_by_index+0x5e/0x80 [ 1267.942405][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1267.942405][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1267.942405][ T1167] ip6_route_add+0x1c/0x140 [ 1267.942405][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1267.942405][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1267.942405][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1267.942405][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.942405][ T1167] netlink_rcv_skb+0x130/0x360 [ 1267.942405][ T1167] netlink_unicast+0x449/0x710 [ 1267.942405][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1267.942405][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1267.942405][ T1167] ___sys_sendmsg+0xee/0x170 [ 1267.942405][ T1167] __sys_sendmsg+0xcd/0x170 [ 1267.942405][ T1167] do_syscall_64+0xc6/0x1e0 [ 1267.942405][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.942405][ T1167] [ 1267.944846][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1267.944846][ T1167] netdev_get_by_index+0x5e/0x80 [ 1267.944846][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1267.944846][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1267.944846][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1267.944846][ T1167] ipv6_add_addr+0x411/0x2000 [ 1267.944846][ T1167] inet6_addr_add+0x30e/0xa40 [ 1267.944846][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1267.944846][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.944846][ T1167] netlink_rcv_skb+0x130/0x360 [ 1267.944846][ T1167] netlink_unicast+0x449/0x710 [ 1267.944846][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1267.944846][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1267.944846][ T1167] ___sys_sendmsg+0xee/0x170 [ 1267.944846][ T1167] __sys_sendmsg+0xcd/0x170 [ 1267.944846][ T1167] do_syscall_64+0xc6/0x1e0 [ 1267.944846][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.944846][ T1167] [ 1267.947307][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1267.947307][ T1167] netdev_get_by_index+0x5e/0x80 [ 1267.947307][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1267.947307][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1267.947307][ T1167] ip6_route_add+0x1c/0x140 [ 1267.947307][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1267.947307][ T1167] addrconf_add_dev+0xe2/0x170 [ 1267.947307][ T1167] inet6_addr_add+0x12f/0xa40 [ 1267.947307][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1267.947307][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.947307][ T1167] netlink_rcv_skb+0x130/0x360 [ 1267.947307][ T1167] netlink_unicast+0x449/0x710 [ 1267.947307][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1267.947307][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1267.947307][ T1167] ___sys_sendmsg+0xee/0x170 [ 1267.947307][ T1167] __sys_sendmsg+0xcd/0x170 [ 1267.947307][ T1167] do_syscall_64+0xc6/0x1e0 [ 1267.947307][ T1167] [ 1267.949723][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1267.949723][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1267.949723][ T1167] ipv6_find_idev+0x102/0x170 [ 1267.949723][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1267.949723][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.949723][ T1167] netlink_rcv_skb+0x130/0x360 [ 1267.949723][ T1167] netlink_unicast+0x449/0x710 [ 1267.949723][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1267.949723][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1267.949723][ T1167] ___sys_sendmsg+0xee/0x170 [ 1267.949723][ T1167] __sys_sendmsg+0xcd/0x170 [ 1267.949723][ T1167] do_syscall_64+0xc6/0x1e0 [ 1267.949723][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.949723][ T1167] [ 1267.951610][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1267.951610][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1267.951610][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1267.951610][ T1167] ipv6_find_idev+0x102/0x170 [ 1267.951610][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1267.951610][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.951610][ T1167] netlink_rcv_skb+0x130/0x360 [ 1267.951610][ T1167] netlink_unicast+0x449/0x710 [ 1267.951610][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1267.951610][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1267.951610][ T1167] ___sys_sendmsg+0xee/0x170 [ 1267.951610][ T1167] __sys_sendmsg+0xcd/0x170 [ 1267.951610][ T1167] do_syscall_64+0xc6/0x1e0 [ 1267.951610][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.951610][ T1167] [ 1269.497114][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1269.497581][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1269.497581][ T10] netdev_get_by_index+0x5e/0x80 [ 1269.497581][ T10] fib6_nh_init+0x3d8/0x1580 [ 1269.497581][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1269.497581][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1269.497581][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1269.497581][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1269.497581][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1269.497581][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1269.497581][ T10] addrconf_dad_begin+0x310/0x670 [ 1269.497581][ T10] addrconf_dad_work+0x10b/0xab0 [ 1269.497581][ T10] process_one_work+0x84d/0x18a0 [ 1269.497581][ T10] worker_thread+0x587/0xd30 [ 1269.497581][ T10] kthread+0x28a/0x350 [ 1269.497581][ T10] ret_from_fork+0x31/0x70 [ 1269.497581][ T10] ret_from_fork_asm+0x1a/0x30 [ 1269.497581][ T10] [ 1269.499758][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1269.499758][ T10] netdev_get_by_index+0x5e/0x80 [ 1269.499758][ T10] fib6_nh_init+0x3d8/0x1580 [ 1269.499758][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1269.499758][ T10] ip6_route_add+0x1c/0x140 [ 1269.499758][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1269.499758][ T10] inet6_addr_add+0x4f8/0xa40 [ 1269.499758][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1269.499758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1269.499758][ T10] netlink_rcv_skb+0x130/0x360 [ 1269.499758][ T10] netlink_unicast+0x449/0x710 [ 1269.499758][ T10] netlink_sendmsg+0x723/0xbe0 [ 1269.499758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1269.499758][ T10] ___sys_sendmsg+0xee/0x170 [ 1269.499758][ T10] __sys_sendmsg+0xcd/0x170 [ 1269.499758][ T10] do_syscall_64+0xc6/0x1e0 [ 1269.499758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1269.499758][ T10] [ 1269.502011][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1269.502011][ T10] netdev_get_by_index+0x5e/0x80 [ 1269.502011][ T10] fib6_nh_init+0x3d8/0x1580 [ 1269.502011][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1269.502011][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1269.502011][ T10] ipv6_add_addr+0x411/0x2000 [ 1269.502011][ T10] inet6_addr_add+0x30e/0xa40 [ 1269.502011][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1269.502011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1269.502011][ T10] netlink_rcv_skb+0x130/0x360 [ 1269.502011][ T10] netlink_unicast+0x449/0x710 [ 1269.502011][ T10] netlink_sendmsg+0x723/0xbe0 [ 1269.502011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1269.502011][ T10] ___sys_sendmsg+0xee/0x170 [ 1269.502011][ T10] __sys_sendmsg+0xcd/0x170 [ 1269.502011][ T10] do_syscall_64+0xc6/0x1e0 [ 1269.502011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1269.502011][ T10] [ 1269.504283][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1269.504283][ T10] netdev_get_by_index+0x5e/0x80 [ 1269.504283][ T10] fib6_nh_init+0x3d8/0x1580 [ 1269.504283][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1269.504283][ T10] ip6_route_add+0x1c/0x140 [ 1269.504283][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1269.504283][ T10] addrconf_add_dev+0xe2/0x170 [ 1269.504283][ T10] inet6_addr_add+0x12f/0xa40 [ 1269.504283][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1269.504283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1269.504283][ T10] netlink_rcv_skb+0x130/0x360 [ 1269.504283][ T10] netlink_unicast+0x449/0x710 [ 1269.504283][ T10] netlink_sendmsg+0x723/0xbe0 [ 1269.504283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1269.504283][ T10] ___sys_sendmsg+0xee/0x170 [ 1269.504283][ T10] __sys_sendmsg+0xcd/0x170 [ 1269.504283][ T10] do_syscall_64+0xc6/0x1e0 [ 1269.504283][ T10] [ 1269.506477][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1269.506477][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1269.506477][ T10] ipv6_find_idev+0x102/0x170 [ 1269.506477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1269.506477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1269.506477][ T10] netlink_rcv_skb+0x130/0x360 [ 1269.506477][ T10] netlink_unicast+0x449/0x710 [ 1269.506477][ T10] netlink_sendmsg+0x723/0xbe0 [ 1269.506477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1269.506477][ T10] ___sys_sendmsg+0xee/0x170 [ 1269.506477][ T10] __sys_sendmsg+0xcd/0x170 [ 1269.506477][ T10] do_syscall_64+0xc6/0x1e0 [ 1269.506477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1269.506477][ T10] [ 1269.508217][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1269.508217][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1269.508217][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1269.508217][ T10] ipv6_find_idev+0x102/0x170 [ 1269.508217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1269.508217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1269.508217][ T10] netlink_rcv_skb+0x130/0x360 [ 1269.508217][ T10] netlink_unicast+0x449/0x710 [ 1269.508217][ T10] netlink_sendmsg+0x723/0xbe0 [ 1269.508217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1269.508217][ T10] ___sys_sendmsg+0xee/0x170 [ 1269.508217][ T10] __sys_sendmsg+0xcd/0x170 [ 1269.508217][ T10] do_syscall_64+0xc6/0x1e0 [ 1269.508217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1269.508217][ T10] [ 1269.510153][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1269.510425][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1269.510425][ T10] netdev_get_by_index+0x5e/0x80 [ 1269.510425][ T10] fib6_nh_init+0x3d8/0x1580 [ 1269.510425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1269.510425][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1269.510425][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1269.510425][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1269.510425][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1269.510425][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1269.510425][ T10] addrconf_dad_begin+0x310/0x670 [ 1269.510425][ T10] addrconf_dad_work+0x10b/0xab0 [ 1269.510425][ T10] process_one_work+0x84d/0x18a0 [ 1269.510425][ T10] worker_thread+0x587/0xd30 [ 1269.510425][ T10] kthread+0x28a/0x350 [ 1269.510425][ T10] ret_from_fork+0x31/0x70 [ 1269.510425][ T10] ret_from_fork_asm+0x1a/0x30 [ 1269.510425][ T10] [ 1269.512588][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1269.512588][ T10] netdev_get_by_index+0x5e/0x80 [ 1269.512588][ T10] fib6_nh_init+0x3d8/0x1580 [ 1269.512588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1269.512588][ T10] ip6_route_add+0x1c/0x140 [ 1269.512588][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1269.512588][ T10] inet6_addr_add+0x4f8/0xa40 [ 1269.512588][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1269.512588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1269.512588][ T10] netlink_rcv_skb+0x130/0x360 [ 1269.512588][ T10] netlink_unicast+0x449/0x710 [ 1269.512588][ T10] netlink_sendmsg+0x723/0xbe0 [ 1269.512588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1269.512588][ T10] ___sys_sendmsg+0xee/0x170 [ 1269.512588][ T10] __sys_sendmsg+0xcd/0x170 [ 1269.512588][ T10] do_syscall_64+0xc6/0x1e0 [ 1269.512588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1269.512588][ T10] [ 1269.514834][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1269.514834][ T10] netdev_get_by_index+0x5e/0x80 [ 1269.514834][ T10] fib6_nh_init+0x3d8/0x1580 [ 1269.514834][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1269.514834][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1269.514834][ T10] ipv6_add_addr+0x411/0x2000 [ 1269.514834][ T10] inet6_addr_add+0x30e/0xa40 [ 1269.514834][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1269.514834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1269.514834][ T10] netlink_rcv_skb+0x130/0x360 [ 1269.514834][ T10] netlink_unicast+0x449/0x710 [ 1269.514834][ T10] netlink_sendmsg+0x723/0xbe0 [ 1269.514834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1269.514834][ T10] ___sys_sendmsg+0xee/0x170 [ 1269.514834][ T10] __sys_sendmsg+0xcd/0x170 [ 1269.514834][ T10] do_syscall_64+0xc6/0x1e0 [ 1269.514834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1269.514834][ T10] [ 1269.517081][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1269.517081][ T10] netdev_get_by_index+0x5e/0x80 [ 1269.517081][ T10] fib6_nh_init+0x3d8/0x1580 [ 1269.517081][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1269.517081][ T10] ip6_route_add+0x1c/0x140 [ 1269.517081][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1269.517081][ T10] addrconf_add_dev+0xe2/0x170 [ 1269.517081][ T10] inet6_addr_add+0x12f/0xa40 [ 1269.517081][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1269.517081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1269.517081][ T10] netlink_rcv_skb+0x130/0x360 [ 1269.517081][ T10] netlink_unicast+0x449/0x710 [ 1269.517081][ T10] netlink_sendmsg+0x723/0xbe0 [ 1269.517081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1269.517081][ T10] ___sys_sendmsg+0xee/0x170 [ 1269.517081][ T10] __sys_sendmsg+0xcd/0x170 [ 1269.517081][ T10] do_syscall_64+0xc6/0x1e0 [ 1269.517081][ T10] [ 1269.519284][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1269.519284][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1269.519284][ T10] ipv6_find_idev+0x102/0x170 [ 1269.519284][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1269.519284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1269.519284][ T10] netlink_rcv_skb+0x130/0x360 [ 1269.519284][ T10] netlink_unicast+0x449/0x710 [ 1269.519284][ T10] netlink_sendmsg+0x723/0xbe0 [ 1269.519284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1269.519284][ T10] ___sys_sendmsg+0xee/0x170 [ 1269.519284][ T10] __sys_sendmsg+0xcd/0x170 [ 1269.519284][ T10] do_syscall_64+0xc6/0x1e0 [ 1269.519284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1269.519284][ T10] [ 1269.521021][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1269.521021][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1269.521021][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1269.521021][ T10] ipv6_find_idev+0x102/0x170 [ 1269.521021][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1269.521021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1269.521021][ T10] netlink_rcv_skb+0x130/0x360 [ 1269.521021][ T10] netlink_unicast+0x449/0x710 [ 1269.521021][ T10] netlink_sendmsg+0x723/0xbe0 [ 1269.521021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1269.521021][ T10] ___sys_sendmsg+0xee/0x170 [ 1269.521021][ T10] __sys_sendmsg+0xcd/0x170 [ 1269.521021][ T10] do_syscall_64+0xc6/0x1e0 [ 1269.521021][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1269.521021][ T10] [ 1269.522935][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1269.523216][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1269.523216][ T10] netdev_get_by_index+0x5e/0x80 [ 1269.523216][ T10] fib6_nh_init+0x3d8/0x1580 [ 1269.523216][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1269.523216][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1269.523216][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1269.523216][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1269.523216][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1269.523216][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1269.523216][ T10] addrconf_dad_begin+0x310/0x670 [ 1269.523216][ T10] addrconf_dad_work+0x10b/0xab0 [ 1269.523216][ T10] process_one_work+0x84d/0x18a0 [ 1269.523216][ T10] worker_thread+0x587/0xd30 [ 1269.523216][ T10] kthread+0x28a/0x350 [ 1269.523216][ T10] ret_from_fork+0x31/0x70 [ 1269.523216][ T10] ret_from_fork_asm+0x1a/0x30 [ 1269.523216][ T10] [ 1269.525361][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1269.525361][ T10] netdev_get_by_index+0x5e/0x80 [ 1269.525361][ T10] fib6_nh_init+0x3d8/0x1580 [ 1269.525361][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1269.525361][ T10] ip6_route_add+0x1c/0x140 [ 1269.525361][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1269.525361][ T10] inet6_addr_add+0x4f8/0xa40 [ 1269.525361][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1269.525361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1269.525361][ T10] netlink_rcv_skb+0x130/0x360 [ 1269.525361][ T10] netlink_unicast+0x449/0x710 [ 1269.525361][ T10] netlink_sendmsg+0x723/0xbe0 [ 1269.525361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1269.525361][ T10] ___sys_sendmsg+0xee/0x170 [ 1269.525361][ T10] __sys_sendmsg+0xcd/0x170 [ 1269.525361][ T10] do_syscall_64+0xc6/0x1e0 [ 1269.525361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1269.525361][ T10] [ 1269.527778][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1269.527778][ T10] netdev_get_by_index+0x5e/0x80 [ 1269.527778][ T10] fib6_nh_init+0x3d8/0x1580 [ 1269.527778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1269.527778][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1269.527778][ T10] ipv6_add_addr+0x411/0x2000 [ 1269.527778][ T10] inet6_addr_add+0x30e/0xa40 [ 1269.527778][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1269.527778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1269.527778][ T10] netlink_rcv_skb+0x130/0x360 [ 1269.527778][ T10] netlink_unicast+0x449/0x710 [ 1269.527778][ T10] netlink_sendmsg+0x723/0xbe0 [ 1269.527778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1269.527778][ T10] ___sys_sendmsg+0xee/0x170 [ 1269.527778][ T10] __sys_sendmsg+0xcd/0x170 [ 1269.527778][ T10] do_syscall_64+0xc6/0x1e0 [ 1269.527778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1269.527778][ T10] [ 1269.530165][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1269.530165][ T10] netdev_get_by_index+0x5e/0x80 [ 1269.530165][ T10] fib6_nh_init+0x3d8/0x1580 [ 1269.530165][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1269.530165][ T10] ip6_route_add+0x1c/0x140 [ 1269.530165][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1269.530165][ T10] addrconf_add_dev+0xe2/0x170 [ 1269.530165][ T10] inet6_addr_add+0x12f/0xa40 [ 1269.530165][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1269.530165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1269.530165][ T10] netlink_rcv_skb+0x130/0x360 [ 1269.530165][ T10] netlink_unicast+0x449/0x710 [ 1269.530165][ T10] netlink_sendmsg+0x723/0xbe0 [ 1269.530165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1269.530165][ T10] ___sys_sendmsg+0xee/0x170 [ 1269.530165][ T10] __sys_sendmsg+0xcd/0x170 [ 1269.530165][ T10] do_syscall_64+0xc6/0x1e0 [ 1269.530165][ T10] [ 1269.532651][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1269.532651][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1269.532651][ T10] ipv6_find_idev+0x102/0x170 [ 1269.532651][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1269.532651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1269.532651][ T10] netlink_rcv_skb+0x130/0x360 [ 1269.532651][ T10] netlink_unicast+0x449/0x710 [ 1269.532651][ T10] netlink_sendmsg+0x723/0xbe0 [ 1269.532651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1269.532651][ T10] ___sys_sendmsg+0xee/0x170 [ 1269.532651][ T10] __sys_sendmsg+0xcd/0x170 [ 1269.532651][ T10] do_syscall_64+0xc6/0x1e0 [ 1269.532651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1269.532651][ T10] [ 1269.534649][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1269.534649][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1269.534649][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1269.534649][ T10] ipv6_find_idev+0x102/0x170 [ 1269.534649][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1269.534649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1269.534649][ T10] netlink_rcv_skb+0x130/0x360 [ 1269.534649][ T10] netlink_unicast+0x449/0x710 [ 1269.534649][ T10] netlink_sendmsg+0x723/0xbe0 [ 1269.534649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1269.534649][ T10] ___sys_sendmsg+0xee/0x170 [ 1269.534649][ T10] __sys_sendmsg+0xcd/0x170 [ 1269.534649][ T10] do_syscall_64+0xc6/0x1e0 [ 1269.534649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1269.534649][ T10] [ 1269.536728][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1269.537030][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1269.537030][ T10] netdev_get_by_index+0x5e/0x80 [ 1269.537030][ T10] fib6_nh_init+0x3d8/0x1580 [ 1269.537030][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1269.537030][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1269.537030][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1269.537030][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1269.537030][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1269.537030][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1269.537030][ T10] addrconf_dad_begin+0x310/0x670 [ 1269.537030][ T10] addrconf_dad_work+0x10b/0xab0 [ 1269.537030][ T10] process_one_work+0x84d/0x18a0 [ 1269.537030][ T10] worker_thread+0x587/0xd30 [ 1269.537030][ T10] kthread+0x28a/0x350 [ 1269.537030][ T10] ret_from_fork+0x31/0x70 [ 1269.537030][ T10] ret_from_fork_asm+0x1a/0x30 [ 1269.537030][ T10] [ 1269.539464][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1269.539464][ T10] netdev_get_by_index+0x5e/0x80 [ 1269.539464][ T10] fib6_nh_init+0x3d8/0x1580 [ 1269.539464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1269.539464][ T10] ip6_route_add+0x1c/0x140 [ 1269.539464][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1269.539464][ T10] inet6_addr_add+0x4f8/0xa40 [ 1269.539464][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1269.539464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1269.539464][ T10] netlink_rcv_skb+0x130/0x360 [ 1269.539464][ T10] netlink_unicast+0x449/0x710 [ 1269.539464][ T10] netlink_sendmsg+0x723/0xbe0 [ 1269.539464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1269.539464][ T10] ___sys_sendmsg+0xee/0x170 [ 1269.539464][ T10] __sys_sendmsg+0xcd/0x170 [ 1269.539464][ T10] do_syscall_64+0xc6/0x1e0 [ 1269.539464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1269.539464][ T10] [ 1269.542001][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1269.542001][ T10] netdev_get_by_index+0x5e/0x80 [ 1269.542001][ T10] fib6_nh_init+0x3d8/0x1580 [ 1269.542001][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1269.542001][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1269.542001][ T10] ipv6_add_addr+0x411/0x2000 [ 1269.542001][ T10] inet6_addr_add+0x30e/0xa40 [ 1269.542001][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1269.542001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1269.542001][ T10] netlink_rcv_skb+0x130/0x360 [ 1269.542001][ T10] netlink_unicast+0x449/0x710 [ 1269.542001][ T10] netlink_sendmsg+0x723/0xbe0 [ 1269.542001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1269.542001][ T10] ___sys_sendmsg+0xee/0x170 [ 1269.542001][ T10] __sys_sendmsg+0xcd/0x170 [ 1269.542001][ T10] do_syscall_64+0xc6/0x1e0 [ 1269.542001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1269.542001][ T10] [ 1269.544412][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1269.544412][ T10] netdev_get_by_index+0x5e/0x80 [ 1269.544412][ T10] fib6_nh_init+0x3d8/0x1580 [ 1269.544412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1269.544412][ T10] ip6_route_add+0x1c/0x140 [ 1269.544412][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1269.544412][ T10] addrconf_add_dev+0xe2/0x170 [ 1269.544412][ T10] inet6_addr_add+0x12f/0xa40 [ 1269.544412][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1269.544412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1269.544412][ T10] netlink_rcv_skb+0x130/0x360 [ 1269.544412][ T10] netlink_unicast+0x449/0x710 [ 1269.544412][ T10] netlink_sendmsg+0x723/0xbe0 [ 1269.544412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1269.544412][ T10] ___sys_sendmsg+0xee/0x170 [ 1269.544412][ T10] __sys_sendmsg+0xcd/0x170 [ 1269.544412][ T10] do_syscall_64+0xc6/0x1e0 [ 1269.544412][ T10] [ 1269.546771][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1269.546771][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1269.546771][ T10] ipv6_find_idev+0x102/0x170 [ 1269.546771][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1269.546771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1269.546771][ T10] netlink_rcv_skb+0x130/0x360 [ 1269.546771][ T10] netlink_unicast+0x449/0x710 [ 1269.546771][ T10] netlink_sendmsg+0x723/0xbe0 [ 1269.546771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1269.546771][ T10] ___sys_sendmsg+0xee/0x170 [ 1269.546771][ T10] __sys_sendmsg+0xcd/0x170 [ 1269.546771][ T10] do_syscall_64+0xc6/0x1e0 [ 1269.546771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1269.546771][ T10] [ 1269.548669][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1269.548669][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1269.548669][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1269.548669][ T10] ipv6_find_idev+0x102/0x170 [ 1269.548669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1269.548669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1269.548669][ T10] netlink_rcv_skb+0x130/0x360 [ 1269.548669][ T10] netlink_unicast+0x449/0x710 [ 1269.548669][ T10] netlink_sendmsg+0x723/0xbe0 [ 1269.548669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1269.548669][ T10] ___sys_sendmsg+0xee/0x170 [ 1269.548669][ T10] __sys_sendmsg+0xcd/0x170 [ 1269.548669][ T10] do_syscall_64+0xc6/0x1e0 [ 1269.548669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1269.548669][ T10] [ 1278.201125][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1278.201568][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1278.201568][ T1167] dst_init+0x84/0x4a0 [ 1278.201568][ T1167] dst_alloc+0x97/0x150 [ 1278.201568][ T1167] ip6_dst_alloc+0x23/0x90 [ 1278.201568][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1278.201568][ T1167] ip6_pol_route+0x56f/0x840 [ 1278.201568][ T1167] fib6_rule_lookup+0x334/0x630 [ 1278.201568][ T1167] ip6_route_output_flags+0x259/0x480 [ 1278.201568][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1278.201568][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1278.201568][ T1167] netlink_rcv_skb+0x130/0x360 [ 1278.201568][ T1167] netlink_unicast+0x449/0x710 [ 1278.201568][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1278.201568][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1278.201568][ T1167] ___sys_sendmsg+0xee/0x170 [ 1278.201568][ T1167] __sys_sendmsg+0xcd/0x170 [ 1278.201568][ T1167] do_syscall_64+0xc6/0x1e0 [ 1278.201568][ T1167] [ 1278.203990][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1278.203990][ T1167] netdev_get_by_index+0x5e/0x80 [ 1278.203990][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1278.203990][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1278.203990][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1278.203990][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1278.203990][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1278.203990][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1278.203990][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1278.203990][ T1167] addrconf_dad_begin+0x310/0x670 [ 1278.203990][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1278.203990][ T1167] process_one_work+0x84d/0x18a0 [ 1278.203990][ T1167] worker_thread+0x587/0xd30 [ 1278.203990][ T1167] kthread+0x28a/0x350 [ 1278.203990][ T1167] ret_from_fork+0x31/0x70 [ 1278.203990][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1278.203990][ T1167] [ 1278.206336][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1278.206336][ T1167] netdev_get_by_index+0x5e/0x80 [ 1278.206336][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1278.206336][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1278.206336][ T1167] ip6_route_add+0x1c/0x140 [ 1278.206336][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1278.206336][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1278.206336][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1278.206336][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1278.206336][ T1167] netlink_rcv_skb+0x130/0x360 [ 1278.206336][ T1167] netlink_unicast+0x449/0x710 [ 1278.206336][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1278.206336][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1278.206336][ T1167] ___sys_sendmsg+0xee/0x170 [ 1278.206336][ T1167] __sys_sendmsg+0xcd/0x170 [ 1278.206336][ T1167] do_syscall_64+0xc6/0x1e0 [ 1278.206336][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1278.206336][ T1167] [ 1278.208788][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1278.208788][ T1167] netdev_get_by_index+0x5e/0x80 [ 1278.208788][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1278.208788][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1278.208788][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1278.208788][ T1167] ipv6_add_addr+0x411/0x2000 [ 1278.208788][ T1167] inet6_addr_add+0x30e/0xa40 [ 1278.208788][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1278.208788][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1278.208788][ T1167] netlink_rcv_skb+0x130/0x360 [ 1278.208788][ T1167] netlink_unicast+0x449/0x710 [ 1278.208788][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1278.208788][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1278.208788][ T1167] ___sys_sendmsg+0xee/0x170 [ 1278.208788][ T1167] __sys_sendmsg+0xcd/0x170 [ 1278.208788][ T1167] do_syscall_64+0xc6/0x1e0 [ 1278.208788][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1278.208788][ T1167] [ 1278.211253][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1278.211253][ T1167] netdev_get_by_index+0x5e/0x80 [ 1278.211253][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1278.211253][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1278.211253][ T1167] ip6_route_add+0x1c/0x140 [ 1278.211253][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1278.211253][ T1167] addrconf_add_dev+0xe2/0x170 [ 1278.211253][ T1167] inet6_addr_add+0x12f/0xa40 [ 1278.211253][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1278.211253][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1278.211253][ T1167] netlink_rcv_skb+0x130/0x360 [ 1278.211253][ T1167] netlink_unicast+0x449/0x710 [ 1278.211253][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1278.211253][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1278.211253][ T1167] ___sys_sendmsg+0xee/0x170 [ 1278.211253][ T1167] __sys_sendmsg+0xcd/0x170 [ 1278.211253][ T1167] do_syscall_64+0xc6/0x1e0 [ 1278.211253][ T1167] [ 1278.213656][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1278.213656][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1278.213656][ T1167] ipv6_find_idev+0x102/0x170 [ 1278.213656][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1278.213656][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1278.213656][ T1167] netlink_rcv_skb+0x130/0x360 [ 1278.213656][ T1167] netlink_unicast+0x449/0x710 [ 1278.213656][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1278.213656][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1278.213656][ T1167] ___sys_sendmsg+0xee/0x170 [ 1278.213656][ T1167] __sys_sendmsg+0xcd/0x170 [ 1278.213656][ T1167] do_syscall_64+0xc6/0x1e0 [ 1278.213656][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1278.213656][ T1167] [ 1278.215551][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1278.215551][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1278.215551][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1278.215551][ T1167] ipv6_find_idev+0x102/0x170 [ 1278.215551][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1278.215551][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1278.215551][ T1167] netlink_rcv_skb+0x130/0x360 [ 1278.215551][ T1167] netlink_unicast+0x449/0x710 [ 1278.215551][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1278.215551][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1278.215551][ T1167] ___sys_sendmsg+0xee/0x170 [ 1278.215551][ T1167] __sys_sendmsg+0xcd/0x170 [ 1278.215551][ T1167] do_syscall_64+0xc6/0x1e0 [ 1278.215551][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1278.215551][ T1167] [ 1279.793061][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1279.793484][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1279.793484][ T10] netdev_get_by_index+0x5e/0x80 [ 1279.793484][ T10] fib6_nh_init+0x3d8/0x1580 [ 1279.793484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1279.793484][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1279.793484][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1279.793484][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1279.793484][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1279.793484][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1279.793484][ T10] addrconf_dad_begin+0x310/0x670 [ 1279.793484][ T10] addrconf_dad_work+0x10b/0xab0 [ 1279.793484][ T10] process_one_work+0x84d/0x18a0 [ 1279.793484][ T10] worker_thread+0x587/0xd30 [ 1279.793484][ T10] kthread+0x28a/0x350 [ 1279.793484][ T10] ret_from_fork+0x31/0x70 [ 1279.793484][ T10] ret_from_fork_asm+0x1a/0x30 [ 1279.793484][ T10] [ 1279.795679][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1279.795679][ T10] netdev_get_by_index+0x5e/0x80 [ 1279.795679][ T10] fib6_nh_init+0x3d8/0x1580 [ 1279.795679][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1279.795679][ T10] ip6_route_add+0x1c/0x140 [ 1279.795679][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1279.795679][ T10] inet6_addr_add+0x4f8/0xa40 [ 1279.795679][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1279.795679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1279.795679][ T10] netlink_rcv_skb+0x130/0x360 [ 1279.795679][ T10] netlink_unicast+0x449/0x710 [ 1279.795679][ T10] netlink_sendmsg+0x723/0xbe0 [ 1279.795679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1279.795679][ T10] ___sys_sendmsg+0xee/0x170 [ 1279.795679][ T10] __sys_sendmsg+0xcd/0x170 [ 1279.795679][ T10] do_syscall_64+0xc6/0x1e0 [ 1279.795679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1279.795679][ T10] [ 1279.797971][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1279.797971][ T10] netdev_get_by_index+0x5e/0x80 [ 1279.797971][ T10] fib6_nh_init+0x3d8/0x1580 [ 1279.797971][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1279.797971][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1279.797971][ T10] ipv6_add_addr+0x411/0x2000 [ 1279.797971][ T10] inet6_addr_add+0x30e/0xa40 [ 1279.797971][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1279.797971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1279.797971][ T10] netlink_rcv_skb+0x130/0x360 [ 1279.797971][ T10] netlink_unicast+0x449/0x710 [ 1279.797971][ T10] netlink_sendmsg+0x723/0xbe0 [ 1279.797971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1279.797971][ T10] ___sys_sendmsg+0xee/0x170 [ 1279.797971][ T10] __sys_sendmsg+0xcd/0x170 [ 1279.797971][ T10] do_syscall_64+0xc6/0x1e0 [ 1279.797971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1279.797971][ T10] [ 1279.800224][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1279.800224][ T10] netdev_get_by_index+0x5e/0x80 [ 1279.800224][ T10] fib6_nh_init+0x3d8/0x1580 [ 1279.800224][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1279.800224][ T10] ip6_route_add+0x1c/0x140 [ 1279.800224][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1279.800224][ T10] addrconf_add_dev+0xe2/0x170 [ 1279.800224][ T10] inet6_addr_add+0x12f/0xa40 [ 1279.800224][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1279.800224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1279.800224][ T10] netlink_rcv_skb+0x130/0x360 [ 1279.800224][ T10] netlink_unicast+0x449/0x710 [ 1279.800224][ T10] netlink_sendmsg+0x723/0xbe0 [ 1279.800224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1279.800224][ T10] ___sys_sendmsg+0xee/0x170 [ 1279.800224][ T10] __sys_sendmsg+0xcd/0x170 [ 1279.800224][ T10] do_syscall_64+0xc6/0x1e0 [ 1279.800224][ T10] [ 1279.802486][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1279.802486][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1279.802486][ T10] ipv6_find_idev+0x102/0x170 [ 1279.802486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1279.802486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1279.802486][ T10] netlink_rcv_skb+0x130/0x360 [ 1279.802486][ T10] netlink_unicast+0x449/0x710 [ 1279.802486][ T10] netlink_sendmsg+0x723/0xbe0 [ 1279.802486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1279.802486][ T10] ___sys_sendmsg+0xee/0x170 [ 1279.802486][ T10] __sys_sendmsg+0xcd/0x170 [ 1279.802486][ T10] do_syscall_64+0xc6/0x1e0 [ 1279.802486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1279.802486][ T10] [ 1279.804219][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1279.804219][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1279.804219][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1279.804219][ T10] ipv6_find_idev+0x102/0x170 [ 1279.804219][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1279.804219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1279.804219][ T10] netlink_rcv_skb+0x130/0x360 [ 1279.804219][ T10] netlink_unicast+0x449/0x710 [ 1279.804219][ T10] netlink_sendmsg+0x723/0xbe0 [ 1279.804219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1279.804219][ T10] ___sys_sendmsg+0xee/0x170 [ 1279.804219][ T10] __sys_sendmsg+0xcd/0x170 [ 1279.804219][ T10] do_syscall_64+0xc6/0x1e0 [ 1279.804219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1279.804219][ T10] [ 1279.806192][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1279.806467][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1279.806467][ T10] netdev_get_by_index+0x5e/0x80 [ 1279.806467][ T10] fib6_nh_init+0x3d8/0x1580 [ 1279.806467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1279.806467][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1279.806467][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1279.806467][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1279.806467][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1279.806467][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1279.806467][ T10] addrconf_dad_begin+0x310/0x670 [ 1279.806467][ T10] addrconf_dad_work+0x10b/0xab0 [ 1279.806467][ T10] process_one_work+0x84d/0x18a0 [ 1279.806467][ T10] worker_thread+0x587/0xd30 [ 1279.806467][ T10] kthread+0x28a/0x350 [ 1279.806467][ T10] ret_from_fork+0x31/0x70 [ 1279.806467][ T10] ret_from_fork_asm+0x1a/0x30 [ 1279.806467][ T10] [ 1279.808632][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1279.808632][ T10] netdev_get_by_index+0x5e/0x80 [ 1279.808632][ T10] fib6_nh_init+0x3d8/0x1580 [ 1279.808632][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1279.808632][ T10] ip6_route_add+0x1c/0x140 [ 1279.808632][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1279.808632][ T10] inet6_addr_add+0x4f8/0xa40 [ 1279.808632][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1279.808632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1279.808632][ T10] netlink_rcv_skb+0x130/0x360 [ 1279.808632][ T10] netlink_unicast+0x449/0x710 [ 1279.808632][ T10] netlink_sendmsg+0x723/0xbe0 [ 1279.808632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1279.808632][ T10] ___sys_sendmsg+0xee/0x170 [ 1279.808632][ T10] __sys_sendmsg+0xcd/0x170 [ 1279.808632][ T10] do_syscall_64+0xc6/0x1e0 [ 1279.808632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1279.808632][ T10] [ 1279.811138][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1279.811138][ T10] netdev_get_by_index+0x5e/0x80 [ 1279.811138][ T10] fib6_nh_init+0x3d8/0x1580 [ 1279.811138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1279.811138][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1279.811138][ T10] ipv6_add_addr+0x411/0x2000 [ 1279.811138][ T10] inet6_addr_add+0x30e/0xa40 [ 1279.811138][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1279.811138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1279.811138][ T10] netlink_rcv_skb+0x130/0x360 [ 1279.811138][ T10] netlink_unicast+0x449/0x710 [ 1279.811138][ T10] netlink_sendmsg+0x723/0xbe0 [ 1279.811138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1279.811138][ T10] ___sys_sendmsg+0xee/0x170 [ 1279.811138][ T10] __sys_sendmsg+0xcd/0x170 [ 1279.811138][ T10] do_syscall_64+0xc6/0x1e0 [ 1279.811138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1279.811138][ T10] [ 1279.813434][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1279.813434][ T10] netdev_get_by_index+0x5e/0x80 [ 1279.813434][ T10] fib6_nh_init+0x3d8/0x1580 [ 1279.813434][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1279.813434][ T10] ip6_route_add+0x1c/0x140 [ 1279.813434][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1279.813434][ T10] addrconf_add_dev+0xe2/0x170 [ 1279.813434][ T10] inet6_addr_add+0x12f/0xa40 [ 1279.813434][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1279.813434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1279.813434][ T10] netlink_rcv_skb+0x130/0x360 [ 1279.813434][ T10] netlink_unicast+0x449/0x710 [ 1279.813434][ T10] netlink_sendmsg+0x723/0xbe0 [ 1279.813434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1279.813434][ T10] ___sys_sendmsg+0xee/0x170 [ 1279.813434][ T10] __sys_sendmsg+0xcd/0x170 [ 1279.813434][ T10] do_syscall_64+0xc6/0x1e0 [ 1279.813434][ T10] [ 1279.816364][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1279.816364][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1279.816364][ T10] ipv6_find_idev+0x102/0x170 [ 1279.816364][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1279.816364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1279.816364][ T10] netlink_rcv_skb+0x130/0x360 [ 1279.816364][ T10] netlink_unicast+0x449/0x710 [ 1279.816364][ T10] netlink_sendmsg+0x723/0xbe0 [ 1279.816364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1279.816364][ T10] ___sys_sendmsg+0xee/0x170 [ 1279.816364][ T10] __sys_sendmsg+0xcd/0x170 [ 1279.816364][ T10] do_syscall_64+0xc6/0x1e0 [ 1279.816364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1279.816364][ T10] [ 1279.818980][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1279.818980][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1279.818980][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1279.818980][ T10] ipv6_find_idev+0x102/0x170 [ 1279.818980][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1279.818980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1279.818980][ T10] netlink_rcv_skb+0x130/0x360 [ 1279.818980][ T10] netlink_unicast+0x449/0x710 [ 1279.818980][ T10] netlink_sendmsg+0x723/0xbe0 [ 1279.818980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1279.818980][ T10] ___sys_sendmsg+0xee/0x170 [ 1279.818980][ T10] __sys_sendmsg+0xcd/0x170 [ 1279.818980][ T10] do_syscall_64+0xc6/0x1e0 [ 1279.818980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1279.818980][ T10] [ 1279.820977][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1279.821266][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1279.821266][ T10] netdev_get_by_index+0x5e/0x80 [ 1279.821266][ T10] fib6_nh_init+0x3d8/0x1580 [ 1279.821266][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1279.821266][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1279.821266][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1279.821266][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1279.821266][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1279.821266][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1279.821266][ T10] addrconf_dad_begin+0x310/0x670 [ 1279.821266][ T10] addrconf_dad_work+0x10b/0xab0 [ 1279.821266][ T10] process_one_work+0x84d/0x18a0 [ 1279.821266][ T10] worker_thread+0x587/0xd30 [ 1279.821266][ T10] kthread+0x28a/0x350 [ 1279.821266][ T10] ret_from_fork+0x31/0x70 [ 1279.821266][ T10] ret_from_fork_asm+0x1a/0x30 [ 1279.821266][ T10] [ 1279.824080][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1279.824080][ T10] netdev_get_by_index+0x5e/0x80 [ 1279.824080][ T10] fib6_nh_init+0x3d8/0x1580 [ 1279.824080][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1279.824080][ T10] ip6_route_add+0x1c/0x140 [ 1279.824080][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1279.824080][ T10] inet6_addr_add+0x4f8/0xa40 [ 1279.824080][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1279.824080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1279.824080][ T10] netlink_rcv_skb+0x130/0x360 [ 1279.824080][ T10] netlink_unicast+0x449/0x710 [ 1279.824080][ T10] netlink_sendmsg+0x723/0xbe0 [ 1279.824080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1279.824080][ T10] ___sys_sendmsg+0xee/0x170 [ 1279.824080][ T10] __sys_sendmsg+0xcd/0x170 [ 1279.824080][ T10] do_syscall_64+0xc6/0x1e0 [ 1279.824080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1279.824080][ T10] [ 1279.827915][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1279.827915][ T10] netdev_get_by_index+0x5e/0x80 [ 1279.827915][ T10] fib6_nh_init+0x3d8/0x1580 [ 1279.827915][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1279.827915][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1279.827915][ T10] ipv6_add_addr+0x411/0x2000 [ 1279.827915][ T10] inet6_addr_add+0x30e/0xa40 [ 1279.827915][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1279.827915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1279.827915][ T10] netlink_rcv_skb+0x130/0x360 [ 1279.827915][ T10] netlink_unicast+0x449/0x710 [ 1279.827915][ T10] netlink_sendmsg+0x723/0xbe0 [ 1279.827915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1279.827915][ T10] ___sys_sendmsg+0xee/0x170 [ 1279.827915][ T10] __sys_sendmsg+0xcd/0x170 [ 1279.827915][ T10] do_syscall_64+0xc6/0x1e0 [ 1279.827915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1279.827915][ T10] [ 1279.830598][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1279.830598][ T10] netdev_get_by_index+0x5e/0x80 [ 1279.830598][ T10] fib6_nh_init+0x3d8/0x1580 [ 1279.830598][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1279.830598][ T10] ip6_route_add+0x1c/0x140 [ 1279.830598][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1279.830598][ T10] addrconf_add_dev+0xe2/0x170 [ 1279.830598][ T10] inet6_addr_add+0x12f/0xa40 [ 1279.830598][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1279.830598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1279.830598][ T10] netlink_rcv_skb+0x130/0x360 [ 1279.830598][ T10] netlink_unicast+0x449/0x710 [ 1279.830598][ T10] netlink_sendmsg+0x723/0xbe0 [ 1279.830598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1279.830598][ T10] ___sys_sendmsg+0xee/0x170 [ 1279.830598][ T10] __sys_sendmsg+0xcd/0x170 [ 1279.830598][ T10] do_syscall_64+0xc6/0x1e0 [ 1279.830598][ T10] [ 1279.833104][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1279.833104][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1279.833104][ T10] ipv6_find_idev+0x102/0x170 [ 1279.833104][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1279.833104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1279.833104][ T10] netlink_rcv_skb+0x130/0x360 [ 1279.833104][ T10] netlink_unicast+0x449/0x710 [ 1279.833104][ T10] netlink_sendmsg+0x723/0xbe0 [ 1279.833104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1279.833104][ T10] ___sys_sendmsg+0xee/0x170 [ 1279.833104][ T10] __sys_sendmsg+0xcd/0x170 [ 1279.833104][ T10] do_syscall_64+0xc6/0x1e0 [ 1279.833104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1279.833104][ T10] [ 1279.835141][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1279.835141][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1279.835141][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1279.835141][ T10] ipv6_find_idev+0x102/0x170 [ 1279.835141][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1279.835141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1279.835141][ T10] netlink_rcv_skb+0x130/0x360 [ 1279.835141][ T10] netlink_unicast+0x449/0x710 [ 1279.835141][ T10] netlink_sendmsg+0x723/0xbe0 [ 1279.835141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1279.835141][ T10] ___sys_sendmsg+0xee/0x170 [ 1279.835141][ T10] __sys_sendmsg+0xcd/0x170 [ 1279.835141][ T10] do_syscall_64+0xc6/0x1e0 [ 1279.835141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1279.835141][ T10] [ 1279.837347][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1279.837627][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1279.837627][ T10] netdev_get_by_index+0x5e/0x80 [ 1279.837627][ T10] fib6_nh_init+0x3d8/0x1580 [ 1279.837627][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1279.837627][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1279.837627][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1279.837627][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1279.837627][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1279.837627][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1279.837627][ T10] addrconf_dad_begin+0x310/0x670 [ 1279.837627][ T10] addrconf_dad_work+0x10b/0xab0 [ 1279.837627][ T10] process_one_work+0x84d/0x18a0 [ 1279.837627][ T10] worker_thread+0x587/0xd30 [ 1279.837627][ T10] kthread+0x28a/0x350 [ 1279.837627][ T10] ret_from_fork+0x31/0x70 [ 1279.837627][ T10] ret_from_fork_asm+0x1a/0x30 [ 1279.837627][ T10] [ 1279.840452][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1279.840452][ T10] netdev_get_by_index+0x5e/0x80 [ 1279.840452][ T10] fib6_nh_init+0x3d8/0x1580 [ 1279.840452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1279.840452][ T10] ip6_route_add+0x1c/0x140 [ 1279.840452][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1279.840452][ T10] inet6_addr_add+0x4f8/0xa40 [ 1279.840452][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1279.840452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1279.840452][ T10] netlink_rcv_skb+0x130/0x360 [ 1279.840452][ T10] netlink_unicast+0x449/0x710 [ 1279.840452][ T10] netlink_sendmsg+0x723/0xbe0 [ 1279.840452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1279.840452][ T10] ___sys_sendmsg+0xee/0x170 [ 1279.840452][ T10] __sys_sendmsg+0xcd/0x170 [ 1279.840452][ T10] do_syscall_64+0xc6/0x1e0 [ 1279.840452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1279.840452][ T10] [ 1279.843015][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1279.843015][ T10] netdev_get_by_index+0x5e/0x80 [ 1279.843015][ T10] fib6_nh_init+0x3d8/0x1580 [ 1279.843015][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1279.843015][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1279.843015][ T10] ipv6_add_addr+0x411/0x2000 [ 1279.843015][ T10] inet6_addr_add+0x30e/0xa40 [ 1279.843015][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1279.843015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1279.843015][ T10] netlink_rcv_skb+0x130/0x360 [ 1279.843015][ T10] netlink_unicast+0x449/0x710 [ 1279.843015][ T10] netlink_sendmsg+0x723/0xbe0 [ 1279.843015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1279.843015][ T10] ___sys_sendmsg+0xee/0x170 [ 1279.843015][ T10] __sys_sendmsg+0xcd/0x170 [ 1279.843015][ T10] do_syscall_64+0xc6/0x1e0 [ 1279.843015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1279.843015][ T10] [ 1279.845558][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1279.845558][ T10] netdev_get_by_index+0x5e/0x80 [ 1279.845558][ T10] fib6_nh_init+0x3d8/0x1580 [ 1279.845558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1279.845558][ T10] ip6_route_add+0x1c/0x140 [ 1279.845558][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1279.845558][ T10] addrconf_add_dev+0xe2/0x170 [ 1279.845558][ T10] inet6_addr_add+0x12f/0xa40 [ 1279.845558][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1279.845558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1279.845558][ T10] netlink_rcv_skb+0x130/0x360 [ 1279.845558][ T10] netlink_unicast+0x449/0x710 [ 1279.845558][ T10] netlink_sendmsg+0x723/0xbe0 [ 1279.845558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1279.845558][ T10] ___sys_sendmsg+0xee/0x170 [ 1279.845558][ T10] __sys_sendmsg+0xcd/0x170 [ 1279.845558][ T10] do_syscall_64+0xc6/0x1e0 [ 1279.845558][ T10] [ 1279.848134][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1279.848134][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1279.848134][ T10] ipv6_find_idev+0x102/0x170 [ 1279.848134][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1279.848134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1279.848134][ T10] netlink_rcv_skb+0x130/0x360 [ 1279.848134][ T10] netlink_unicast+0x449/0x710 [ 1279.848134][ T10] netlink_sendmsg+0x723/0xbe0 [ 1279.848134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1279.848134][ T10] ___sys_sendmsg+0xee/0x170 [ 1279.848134][ T10] __sys_sendmsg+0xcd/0x170 [ 1279.848134][ T10] do_syscall_64+0xc6/0x1e0 [ 1279.848134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1279.848134][ T10] [ 1279.850007][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1279.850007][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1279.850007][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1279.850007][ T10] ipv6_find_idev+0x102/0x170 [ 1279.850007][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1279.850007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1279.850007][ T10] netlink_rcv_skb+0x130/0x360 [ 1279.850007][ T10] netlink_unicast+0x449/0x710 [ 1279.850007][ T10] netlink_sendmsg+0x723/0xbe0 [ 1279.850007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1279.850007][ T10] ___sys_sendmsg+0xee/0x170 [ 1279.850007][ T10] __sys_sendmsg+0xcd/0x170 [ 1279.850007][ T10] do_syscall_64+0xc6/0x1e0 [ 1279.850007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1279.850007][ T10] [ 1288.257167][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1288.257621][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1288.257621][ T1167] dst_init+0x84/0x4a0 [ 1288.257621][ T1167] dst_alloc+0x97/0x150 [ 1288.257621][ T1167] ip6_dst_alloc+0x23/0x90 [ 1288.257621][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1288.257621][ T1167] ip6_pol_route+0x56f/0x840 [ 1288.257621][ T1167] fib6_rule_lookup+0x334/0x630 [ 1288.257621][ T1167] ip6_route_output_flags+0x259/0x480 [ 1288.257621][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1288.257621][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1288.257621][ T1167] netlink_rcv_skb+0x130/0x360 [ 1288.257621][ T1167] netlink_unicast+0x449/0x710 [ 1288.257621][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1288.257621][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1288.257621][ T1167] ___sys_sendmsg+0xee/0x170 [ 1288.257621][ T1167] __sys_sendmsg+0xcd/0x170 [ 1288.257621][ T1167] do_syscall_64+0xc6/0x1e0 [ 1288.257621][ T1167] [ 1288.260020][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1288.260020][ T1167] netdev_get_by_index+0x5e/0x80 [ 1288.260020][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1288.260020][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1288.260020][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1288.260020][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1288.260020][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1288.260020][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1288.260020][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1288.260020][ T1167] addrconf_dad_begin+0x310/0x670 [ 1288.260020][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1288.260020][ T1167] process_one_work+0x84d/0x18a0 [ 1288.260020][ T1167] worker_thread+0x587/0xd30 [ 1288.260020][ T1167] kthread+0x28a/0x350 [ 1288.260020][ T1167] ret_from_fork+0x31/0x70 [ 1288.260020][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1288.260020][ T1167] [ 1288.262445][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1288.262445][ T1167] netdev_get_by_index+0x5e/0x80 [ 1288.262445][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1288.262445][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1288.262445][ T1167] ip6_route_add+0x1c/0x140 [ 1288.262445][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1288.262445][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1288.262445][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1288.262445][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.262445][ T1167] netlink_rcv_skb+0x130/0x360 [ 1288.262445][ T1167] netlink_unicast+0x449/0x710 [ 1288.262445][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1288.262445][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1288.262445][ T1167] ___sys_sendmsg+0xee/0x170 [ 1288.262445][ T1167] __sys_sendmsg+0xcd/0x170 [ 1288.262445][ T1167] do_syscall_64+0xc6/0x1e0 [ 1288.262445][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.262445][ T1167] [ 1288.264903][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1288.264903][ T1167] netdev_get_by_index+0x5e/0x80 [ 1288.264903][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1288.264903][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1288.264903][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1288.264903][ T1167] ipv6_add_addr+0x411/0x2000 [ 1288.264903][ T1167] inet6_addr_add+0x30e/0xa40 [ 1288.264903][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1288.264903][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.264903][ T1167] netlink_rcv_skb+0x130/0x360 [ 1288.264903][ T1167] netlink_unicast+0x449/0x710 [ 1288.264903][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1288.264903][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1288.264903][ T1167] ___sys_sendmsg+0xee/0x170 [ 1288.264903][ T1167] __sys_sendmsg+0xcd/0x170 [ 1288.264903][ T1167] do_syscall_64+0xc6/0x1e0 [ 1288.264903][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.264903][ T1167] [ 1288.267427][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1288.267427][ T1167] netdev_get_by_index+0x5e/0x80 [ 1288.267427][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1288.267427][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1288.267427][ T1167] ip6_route_add+0x1c/0x140 [ 1288.267427][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1288.267427][ T1167] addrconf_add_dev+0xe2/0x170 [ 1288.267427][ T1167] inet6_addr_add+0x12f/0xa40 [ 1288.267427][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1288.267427][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.267427][ T1167] netlink_rcv_skb+0x130/0x360 [ 1288.267427][ T1167] netlink_unicast+0x449/0x710 [ 1288.267427][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1288.267427][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1288.267427][ T1167] ___sys_sendmsg+0xee/0x170 [ 1288.267427][ T1167] __sys_sendmsg+0xcd/0x170 [ 1288.267427][ T1167] do_syscall_64+0xc6/0x1e0 [ 1288.267427][ T1167] [ 1288.269840][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1288.269840][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1288.269840][ T1167] ipv6_find_idev+0x102/0x170 [ 1288.269840][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1288.269840][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.269840][ T1167] netlink_rcv_skb+0x130/0x360 [ 1288.269840][ T1167] netlink_unicast+0x449/0x710 [ 1288.269840][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1288.269840][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1288.269840][ T1167] ___sys_sendmsg+0xee/0x170 [ 1288.269840][ T1167] __sys_sendmsg+0xcd/0x170 [ 1288.269840][ T1167] do_syscall_64+0xc6/0x1e0 [ 1288.269840][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.269840][ T1167] [ 1288.271731][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1288.271731][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1288.271731][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1288.271731][ T1167] ipv6_find_idev+0x102/0x170 [ 1288.271731][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1288.271731][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1288.271731][ T1167] netlink_rcv_skb+0x130/0x360 [ 1288.271731][ T1167] netlink_unicast+0x449/0x710 [ 1288.271731][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1288.271731][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1288.271731][ T1167] ___sys_sendmsg+0xee/0x170 [ 1288.271731][ T1167] __sys_sendmsg+0xcd/0x170 [ 1288.271731][ T1167] do_syscall_64+0xc6/0x1e0 [ 1288.271731][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1288.271731][ T1167] [ 1290.089090][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1290.089462][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1290.089462][ T10] netdev_get_by_index+0x5e/0x80 [ 1290.089462][ T10] fib6_nh_init+0x3d8/0x1580 [ 1290.089462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1290.089462][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1290.089462][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1290.089462][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1290.089462][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1290.089462][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1290.089462][ T10] addrconf_dad_begin+0x310/0x670 [ 1290.089462][ T10] addrconf_dad_work+0x10b/0xab0 [ 1290.089462][ T10] process_one_work+0x84d/0x18a0 [ 1290.089462][ T10] worker_thread+0x587/0xd30 [ 1290.089462][ T10] kthread+0x28a/0x350 [ 1290.089462][ T10] ret_from_fork+0x31/0x70 [ 1290.089462][ T10] ret_from_fork_asm+0x1a/0x30 [ 1290.089462][ T10] [ 1290.091459][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1290.091459][ T10] netdev_get_by_index+0x5e/0x80 [ 1290.091459][ T10] fib6_nh_init+0x3d8/0x1580 [ 1290.091459][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1290.091459][ T10] ip6_route_add+0x1c/0x140 [ 1290.091459][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1290.091459][ T10] inet6_addr_add+0x4f8/0xa40 [ 1290.091459][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1290.091459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.091459][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.091459][ T10] netlink_unicast+0x449/0x710 [ 1290.091459][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.091459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.091459][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.091459][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.091459][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.091459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.091459][ T10] [ 1290.093588][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1290.093588][ T10] netdev_get_by_index+0x5e/0x80 [ 1290.093588][ T10] fib6_nh_init+0x3d8/0x1580 [ 1290.093588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1290.093588][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1290.093588][ T10] ipv6_add_addr+0x411/0x2000 [ 1290.093588][ T10] inet6_addr_add+0x30e/0xa40 [ 1290.093588][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1290.093588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.093588][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.093588][ T10] netlink_unicast+0x449/0x710 [ 1290.093588][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.093588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.093588][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.093588][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.093588][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.093588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.093588][ T10] [ 1290.095591][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1290.095591][ T10] netdev_get_by_index+0x5e/0x80 [ 1290.095591][ T10] fib6_nh_init+0x3d8/0x1580 [ 1290.095591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1290.095591][ T10] ip6_route_add+0x1c/0x140 [ 1290.095591][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1290.095591][ T10] addrconf_add_dev+0xe2/0x170 [ 1290.095591][ T10] inet6_addr_add+0x12f/0xa40 [ 1290.095591][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1290.095591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.095591][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.095591][ T10] netlink_unicast+0x449/0x710 [ 1290.095591][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.095591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.095591][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.095591][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.095591][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.095591][ T10] [ 1290.097568][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1290.097568][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1290.097568][ T10] ipv6_find_idev+0x102/0x170 [ 1290.097568][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1290.097568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.097568][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.097568][ T10] netlink_unicast+0x449/0x710 [ 1290.097568][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.097568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.097568][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.097568][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.097568][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.097568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.097568][ T10] [ 1290.099103][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1290.099103][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1290.099103][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1290.099103][ T10] ipv6_find_idev+0x102/0x170 [ 1290.099103][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1290.099103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.099103][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.099103][ T10] netlink_unicast+0x449/0x710 [ 1290.099103][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.099103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.099103][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.099103][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.099103][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.099103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.099103][ T10] [ 1290.100796][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1290.101047][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1290.101047][ T10] netdev_get_by_index+0x5e/0x80 [ 1290.101047][ T10] fib6_nh_init+0x3d8/0x1580 [ 1290.101047][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1290.101047][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1290.101047][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1290.101047][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1290.101047][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1290.101047][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1290.101047][ T10] addrconf_dad_begin+0x310/0x670 [ 1290.101047][ T10] addrconf_dad_work+0x10b/0xab0 [ 1290.101047][ T10] process_one_work+0x84d/0x18a0 [ 1290.101047][ T10] worker_thread+0x587/0xd30 [ 1290.101047][ T10] kthread+0x28a/0x350 [ 1290.101047][ T10] ret_from_fork+0x31/0x70 [ 1290.101047][ T10] ret_from_fork_asm+0x1a/0x30 [ 1290.101047][ T10] [ 1290.102975][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1290.102975][ T10] netdev_get_by_index+0x5e/0x80 [ 1290.102975][ T10] fib6_nh_init+0x3d8/0x1580 [ 1290.102975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1290.102975][ T10] ip6_route_add+0x1c/0x140 [ 1290.102975][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1290.102975][ T10] inet6_addr_add+0x4f8/0xa40 [ 1290.102975][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1290.102975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.102975][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.102975][ T10] netlink_unicast+0x449/0x710 [ 1290.102975][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.102975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.102975][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.102975][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.102975][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.102975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.102975][ T10] [ 1290.104976][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1290.104976][ T10] netdev_get_by_index+0x5e/0x80 [ 1290.104976][ T10] fib6_nh_init+0x3d8/0x1580 [ 1290.104976][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1290.104976][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1290.104976][ T10] ipv6_add_addr+0x411/0x2000 [ 1290.104976][ T10] inet6_addr_add+0x30e/0xa40 [ 1290.104976][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1290.104976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.104976][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.104976][ T10] netlink_unicast+0x449/0x710 [ 1290.104976][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.104976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.104976][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.104976][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.104976][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.104976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.104976][ T10] [ 1290.107072][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1290.107072][ T10] netdev_get_by_index+0x5e/0x80 [ 1290.107072][ T10] fib6_nh_init+0x3d8/0x1580 [ 1290.107072][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1290.107072][ T10] ip6_route_add+0x1c/0x140 [ 1290.107072][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1290.107072][ T10] addrconf_add_dev+0xe2/0x170 [ 1290.107072][ T10] inet6_addr_add+0x12f/0xa40 [ 1290.107072][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1290.107072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.107072][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.107072][ T10] netlink_unicast+0x449/0x710 [ 1290.107072][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.107072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.107072][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.107072][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.107072][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.107072][ T10] [ 1290.109024][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1290.109024][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1290.109024][ T10] ipv6_find_idev+0x102/0x170 [ 1290.109024][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1290.109024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.109024][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.109024][ T10] netlink_unicast+0x449/0x710 [ 1290.109024][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.109024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.109024][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.109024][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.109024][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.109024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.109024][ T10] [ 1290.110545][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1290.110545][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1290.110545][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1290.110545][ T10] ipv6_find_idev+0x102/0x170 [ 1290.110545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1290.110545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.110545][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.110545][ T10] netlink_unicast+0x449/0x710 [ 1290.110545][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.110545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.110545][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.110545][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.110545][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.110545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.110545][ T10] [ 1290.112253][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1290.112506][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1290.112506][ T10] netdev_get_by_index+0x5e/0x80 [ 1290.112506][ T10] fib6_nh_init+0x3d8/0x1580 [ 1290.112506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1290.112506][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1290.112506][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1290.112506][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1290.112506][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1290.112506][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1290.112506][ T10] addrconf_dad_begin+0x310/0x670 [ 1290.112506][ T10] addrconf_dad_work+0x10b/0xab0 [ 1290.112506][ T10] process_one_work+0x84d/0x18a0 [ 1290.112506][ T10] worker_thread+0x587/0xd30 [ 1290.112506][ T10] kthread+0x28a/0x350 [ 1290.112506][ T10] ret_from_fork+0x31/0x70 [ 1290.112506][ T10] ret_from_fork_asm+0x1a/0x30 [ 1290.112506][ T10] [ 1290.114420][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1290.114420][ T10] netdev_get_by_index+0x5e/0x80 [ 1290.114420][ T10] fib6_nh_init+0x3d8/0x1580 [ 1290.114420][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1290.114420][ T10] ip6_route_add+0x1c/0x140 [ 1290.114420][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1290.114420][ T10] inet6_addr_add+0x4f8/0xa40 [ 1290.114420][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1290.114420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.114420][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.114420][ T10] netlink_unicast+0x449/0x710 [ 1290.114420][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.114420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.114420][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.114420][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.114420][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.114420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.114420][ T10] [ 1290.116599][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1290.116599][ T10] netdev_get_by_index+0x5e/0x80 [ 1290.116599][ T10] fib6_nh_init+0x3d8/0x1580 [ 1290.116599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1290.116599][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1290.116599][ T10] ipv6_add_addr+0x411/0x2000 [ 1290.116599][ T10] inet6_addr_add+0x30e/0xa40 [ 1290.116599][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1290.116599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.116599][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.116599][ T10] netlink_unicast+0x449/0x710 [ 1290.116599][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.116599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.116599][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.116599][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.116599][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.116599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.116599][ T10] [ 1290.118833][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1290.118833][ T10] netdev_get_by_index+0x5e/0x80 [ 1290.118833][ T10] fib6_nh_init+0x3d8/0x1580 [ 1290.118833][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1290.118833][ T10] ip6_route_add+0x1c/0x140 [ 1290.118833][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1290.118833][ T10] addrconf_add_dev+0xe2/0x170 [ 1290.118833][ T10] inet6_addr_add+0x12f/0xa40 [ 1290.118833][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1290.118833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.118833][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.118833][ T10] netlink_unicast+0x449/0x710 [ 1290.118833][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.118833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.118833][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.118833][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.118833][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.118833][ T10] [ 1290.121029][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1290.121029][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1290.121029][ T10] ipv6_find_idev+0x102/0x170 [ 1290.121029][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1290.121029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.121029][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.121029][ T10] netlink_unicast+0x449/0x710 [ 1290.121029][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.121029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.121029][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.121029][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.121029][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.121029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.121029][ T10] [ 1290.122826][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1290.122826][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1290.122826][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1290.122826][ T10] ipv6_find_idev+0x102/0x170 [ 1290.122826][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1290.122826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.122826][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.122826][ T10] netlink_unicast+0x449/0x710 [ 1290.122826][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.122826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.122826][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.122826][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.122826][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.122826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.122826][ T10] [ 1290.124697][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1290.124929][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1290.124929][ T10] netdev_get_by_index+0x5e/0x80 [ 1290.124929][ T10] fib6_nh_init+0x3d8/0x1580 [ 1290.124929][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1290.124929][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1290.124929][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1290.124929][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1290.124929][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1290.124929][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1290.124929][ T10] addrconf_dad_begin+0x310/0x670 [ 1290.124929][ T10] addrconf_dad_work+0x10b/0xab0 [ 1290.124929][ T10] process_one_work+0x84d/0x18a0 [ 1290.124929][ T10] worker_thread+0x587/0xd30 [ 1290.124929][ T10] kthread+0x28a/0x350 [ 1290.124929][ T10] ret_from_fork+0x31/0x70 [ 1290.124929][ T10] ret_from_fork_asm+0x1a/0x30 [ 1290.124929][ T10] [ 1290.127078][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1290.127078][ T10] netdev_get_by_index+0x5e/0x80 [ 1290.127078][ T10] fib6_nh_init+0x3d8/0x1580 [ 1290.127078][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1290.127078][ T10] ip6_route_add+0x1c/0x140 [ 1290.127078][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1290.127078][ T10] inet6_addr_add+0x4f8/0xa40 [ 1290.127078][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1290.127078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.127078][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.127078][ T10] netlink_unicast+0x449/0x710 [ 1290.127078][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.127078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.127078][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.127078][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.127078][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.127078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.127078][ T10] [ 1290.129308][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1290.129308][ T10] netdev_get_by_index+0x5e/0x80 [ 1290.129308][ T10] fib6_nh_init+0x3d8/0x1580 [ 1290.129308][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1290.129308][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1290.129308][ T10] ipv6_add_addr+0x411/0x2000 [ 1290.129308][ T10] inet6_addr_add+0x30e/0xa40 [ 1290.129308][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1290.129308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.129308][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.129308][ T10] netlink_unicast+0x449/0x710 [ 1290.129308][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.129308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.129308][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.129308][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.129308][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.129308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.129308][ T10] [ 1290.131610][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1290.131610][ T10] netdev_get_by_index+0x5e/0x80 [ 1290.131610][ T10] fib6_nh_init+0x3d8/0x1580 [ 1290.131610][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1290.131610][ T10] ip6_route_add+0x1c/0x140 [ 1290.131610][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1290.131610][ T10] addrconf_add_dev+0xe2/0x170 [ 1290.131610][ T10] inet6_addr_add+0x12f/0xa40 [ 1290.131610][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1290.131610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.131610][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.131610][ T10] netlink_unicast+0x449/0x710 [ 1290.131610][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.131610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.131610][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.131610][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.131610][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.131610][ T10] [ 1290.133752][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1290.133752][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1290.133752][ T10] ipv6_find_idev+0x102/0x170 [ 1290.133752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1290.133752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.133752][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.133752][ T10] netlink_unicast+0x449/0x710 [ 1290.133752][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.133752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.133752][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.133752][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.133752][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.133752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.133752][ T10] [ 1290.135470][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1290.135470][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1290.135470][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1290.135470][ T10] ipv6_find_idev+0x102/0x170 [ 1290.135470][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1290.135470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.135470][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.135470][ T10] netlink_unicast+0x449/0x710 [ 1290.135470][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.135470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.135470][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.135470][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.135470][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.135470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.135470][ T10] [ 1298.513116][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1298.513637][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1298.513637][ T1167] dst_init+0x84/0x4a0 [ 1298.513637][ T1167] dst_alloc+0x97/0x150 [ 1298.513637][ T1167] ip6_dst_alloc+0x23/0x90 [ 1298.513637][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1298.513637][ T1167] ip6_pol_route+0x56f/0x840 [ 1298.513637][ T1167] fib6_rule_lookup+0x334/0x630 [ 1298.513637][ T1167] ip6_route_output_flags+0x259/0x480 [ 1298.513637][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1298.513637][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1298.513637][ T1167] netlink_rcv_skb+0x130/0x360 [ 1298.513637][ T1167] netlink_unicast+0x449/0x710 [ 1298.513637][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1298.513637][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1298.513637][ T1167] ___sys_sendmsg+0xee/0x170 [ 1298.513637][ T1167] __sys_sendmsg+0xcd/0x170 [ 1298.513637][ T1167] do_syscall_64+0xc6/0x1e0 [ 1298.513637][ T1167] [ 1298.515862][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1298.515862][ T1167] netdev_get_by_index+0x5e/0x80 [ 1298.515862][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1298.515862][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1298.515862][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1298.515862][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1298.515862][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1298.515862][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1298.515862][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1298.515862][ T1167] addrconf_dad_begin+0x310/0x670 [ 1298.515862][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1298.515862][ T1167] process_one_work+0x84d/0x18a0 [ 1298.515862][ T1167] worker_thread+0x587/0xd30 [ 1298.515862][ T1167] kthread+0x28a/0x350 [ 1298.515862][ T1167] ret_from_fork+0x31/0x70 [ 1298.515862][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1298.515862][ T1167] [ 1298.518042][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1298.518042][ T1167] netdev_get_by_index+0x5e/0x80 [ 1298.518042][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1298.518042][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1298.518042][ T1167] ip6_route_add+0x1c/0x140 [ 1298.518042][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1298.518042][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1298.518042][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1298.518042][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.518042][ T1167] netlink_rcv_skb+0x130/0x360 [ 1298.518042][ T1167] netlink_unicast+0x449/0x710 [ 1298.518042][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1298.518042][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1298.518042][ T1167] ___sys_sendmsg+0xee/0x170 [ 1298.518042][ T1167] __sys_sendmsg+0xcd/0x170 [ 1298.518042][ T1167] do_syscall_64+0xc6/0x1e0 [ 1298.518042][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.518042][ T1167] [ 1298.520298][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1298.520298][ T1167] netdev_get_by_index+0x5e/0x80 [ 1298.520298][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1298.520298][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1298.520298][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1298.520298][ T1167] ipv6_add_addr+0x411/0x2000 [ 1298.520298][ T1167] inet6_addr_add+0x30e/0xa40 [ 1298.520298][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1298.520298][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.520298][ T1167] netlink_rcv_skb+0x130/0x360 [ 1298.520298][ T1167] netlink_unicast+0x449/0x710 [ 1298.520298][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1298.520298][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1298.520298][ T1167] ___sys_sendmsg+0xee/0x170 [ 1298.520298][ T1167] __sys_sendmsg+0xcd/0x170 [ 1298.520298][ T1167] do_syscall_64+0xc6/0x1e0 [ 1298.520298][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.520298][ T1167] [ 1298.522559][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1298.522559][ T1167] netdev_get_by_index+0x5e/0x80 [ 1298.522559][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1298.522559][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1298.522559][ T1167] ip6_route_add+0x1c/0x140 [ 1298.522559][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1298.522559][ T1167] addrconf_add_dev+0xe2/0x170 [ 1298.522559][ T1167] inet6_addr_add+0x12f/0xa40 [ 1298.522559][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1298.522559][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.522559][ T1167] netlink_rcv_skb+0x130/0x360 [ 1298.522559][ T1167] netlink_unicast+0x449/0x710 [ 1298.522559][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1298.522559][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1298.522559][ T1167] ___sys_sendmsg+0xee/0x170 [ 1298.522559][ T1167] __sys_sendmsg+0xcd/0x170 [ 1298.522559][ T1167] do_syscall_64+0xc6/0x1e0 [ 1298.522559][ T1167] [ 1298.524772][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1298.524772][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1298.524772][ T1167] ipv6_find_idev+0x102/0x170 [ 1298.524772][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1298.524772][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.524772][ T1167] netlink_rcv_skb+0x130/0x360 [ 1298.524772][ T1167] netlink_unicast+0x449/0x710 [ 1298.524772][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1298.524772][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1298.524772][ T1167] ___sys_sendmsg+0xee/0x170 [ 1298.524772][ T1167] __sys_sendmsg+0xcd/0x170 [ 1298.524772][ T1167] do_syscall_64+0xc6/0x1e0 [ 1298.524772][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.524772][ T1167] [ 1298.526587][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1298.526587][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1298.526587][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1298.526587][ T1167] ipv6_find_idev+0x102/0x170 [ 1298.526587][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1298.526587][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1298.526587][ T1167] netlink_rcv_skb+0x130/0x360 [ 1298.526587][ T1167] netlink_unicast+0x449/0x710 [ 1298.526587][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1298.526587][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1298.526587][ T1167] ___sys_sendmsg+0xee/0x170 [ 1298.526587][ T1167] __sys_sendmsg+0xcd/0x170 [ 1298.526587][ T1167] do_syscall_64+0xc6/0x1e0 [ 1298.526587][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1298.526587][ T1167] [ 1300.377151][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1300.377573][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1300.377573][ T10] netdev_get_by_index+0x5e/0x80 [ 1300.377573][ T10] fib6_nh_init+0x3d8/0x1580 [ 1300.377573][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1300.377573][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1300.377573][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1300.377573][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1300.377573][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1300.377573][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1300.377573][ T10] addrconf_dad_begin+0x310/0x670 [ 1300.377573][ T10] addrconf_dad_work+0x10b/0xab0 [ 1300.377573][ T10] process_one_work+0x84d/0x18a0 [ 1300.377573][ T10] worker_thread+0x587/0xd30 [ 1300.377573][ T10] kthread+0x28a/0x350 [ 1300.377573][ T10] ret_from_fork+0x31/0x70 [ 1300.377573][ T10] ret_from_fork_asm+0x1a/0x30 [ 1300.377573][ T10] [ 1300.379730][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1300.379730][ T10] netdev_get_by_index+0x5e/0x80 [ 1300.379730][ T10] fib6_nh_init+0x3d8/0x1580 [ 1300.379730][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1300.379730][ T10] ip6_route_add+0x1c/0x140 [ 1300.379730][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1300.379730][ T10] inet6_addr_add+0x4f8/0xa40 [ 1300.379730][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1300.379730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.379730][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.379730][ T10] netlink_unicast+0x449/0x710 [ 1300.379730][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.379730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.379730][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.379730][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.379730][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.379730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.379730][ T10] [ 1300.381969][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1300.381969][ T10] netdev_get_by_index+0x5e/0x80 [ 1300.381969][ T10] fib6_nh_init+0x3d8/0x1580 [ 1300.381969][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1300.381969][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1300.381969][ T10] ipv6_add_addr+0x411/0x2000 [ 1300.381969][ T10] inet6_addr_add+0x30e/0xa40 [ 1300.381969][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1300.381969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.381969][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.381969][ T10] netlink_unicast+0x449/0x710 [ 1300.381969][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.381969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.381969][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.381969][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.381969][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.381969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.381969][ T10] [ 1300.384220][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1300.384220][ T10] netdev_get_by_index+0x5e/0x80 [ 1300.384220][ T10] fib6_nh_init+0x3d8/0x1580 [ 1300.384220][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1300.384220][ T10] ip6_route_add+0x1c/0x140 [ 1300.384220][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1300.384220][ T10] addrconf_add_dev+0xe2/0x170 [ 1300.384220][ T10] inet6_addr_add+0x12f/0xa40 [ 1300.384220][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1300.384220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.384220][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.384220][ T10] netlink_unicast+0x449/0x710 [ 1300.384220][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.384220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.384220][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.384220][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.384220][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.384220][ T10] [ 1300.386401][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1300.386401][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1300.386401][ T10] ipv6_find_idev+0x102/0x170 [ 1300.386401][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1300.386401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.386401][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.386401][ T10] netlink_unicast+0x449/0x710 [ 1300.386401][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.386401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.386401][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.386401][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.386401][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.386401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.386401][ T10] [ 1300.388118][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1300.388118][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1300.388118][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1300.388118][ T10] ipv6_find_idev+0x102/0x170 [ 1300.388118][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1300.388118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.388118][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.388118][ T10] netlink_unicast+0x449/0x710 [ 1300.388118][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.388118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.388118][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.388118][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.388118][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.388118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.388118][ T10] [ 1300.390033][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1300.390310][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1300.390310][ T10] netdev_get_by_index+0x5e/0x80 [ 1300.390310][ T10] fib6_nh_init+0x3d8/0x1580 [ 1300.390310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1300.390310][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1300.390310][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1300.390310][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1300.390310][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1300.390310][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1300.390310][ T10] addrconf_dad_begin+0x310/0x670 [ 1300.390310][ T10] addrconf_dad_work+0x10b/0xab0 [ 1300.390310][ T10] process_one_work+0x84d/0x18a0 [ 1300.390310][ T10] worker_thread+0x587/0xd30 [ 1300.390310][ T10] kthread+0x28a/0x350 [ 1300.390310][ T10] ret_from_fork+0x31/0x70 [ 1300.390310][ T10] ret_from_fork_asm+0x1a/0x30 [ 1300.390310][ T10] [ 1300.392450][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1300.392450][ T10] netdev_get_by_index+0x5e/0x80 [ 1300.392450][ T10] fib6_nh_init+0x3d8/0x1580 [ 1300.392450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1300.392450][ T10] ip6_route_add+0x1c/0x140 [ 1300.392450][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1300.392450][ T10] inet6_addr_add+0x4f8/0xa40 [ 1300.392450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1300.392450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.392450][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.392450][ T10] netlink_unicast+0x449/0x710 [ 1300.392450][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.392450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.392450][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.392450][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.392450][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.392450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.392450][ T10] [ 1300.394686][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1300.394686][ T10] netdev_get_by_index+0x5e/0x80 [ 1300.394686][ T10] fib6_nh_init+0x3d8/0x1580 [ 1300.394686][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1300.394686][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1300.394686][ T10] ipv6_add_addr+0x411/0x2000 [ 1300.394686][ T10] inet6_addr_add+0x30e/0xa40 [ 1300.394686][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1300.394686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.394686][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.394686][ T10] netlink_unicast+0x449/0x710 [ 1300.394686][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.394686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.394686][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.394686][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.394686][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.394686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.394686][ T10] [ 1300.396911][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1300.396911][ T10] netdev_get_by_index+0x5e/0x80 [ 1300.396911][ T10] fib6_nh_init+0x3d8/0x1580 [ 1300.396911][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1300.396911][ T10] ip6_route_add+0x1c/0x140 [ 1300.396911][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1300.396911][ T10] addrconf_add_dev+0xe2/0x170 [ 1300.396911][ T10] inet6_addr_add+0x12f/0xa40 [ 1300.396911][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1300.396911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.396911][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.396911][ T10] netlink_unicast+0x449/0x710 [ 1300.396911][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.396911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.396911][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.396911][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.396911][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.396911][ T10] [ 1300.399638][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1300.399638][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1300.399638][ T10] ipv6_find_idev+0x102/0x170 [ 1300.399638][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1300.399638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.399638][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.399638][ T10] netlink_unicast+0x449/0x710 [ 1300.399638][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.399638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.399638][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.399638][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.399638][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.399638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.399638][ T10] [ 1300.401358][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1300.401358][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1300.401358][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1300.401358][ T10] ipv6_find_idev+0x102/0x170 [ 1300.401358][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1300.401358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.401358][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.401358][ T10] netlink_unicast+0x449/0x710 [ 1300.401358][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.401358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.401358][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.401358][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.401358][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.401358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.401358][ T10] [ 1300.403229][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1300.403498][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1300.403498][ T10] netdev_get_by_index+0x5e/0x80 [ 1300.403498][ T10] fib6_nh_init+0x3d8/0x1580 [ 1300.403498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1300.403498][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1300.403498][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1300.403498][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1300.403498][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1300.403498][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1300.403498][ T10] addrconf_dad_begin+0x310/0x670 [ 1300.403498][ T10] addrconf_dad_work+0x10b/0xab0 [ 1300.403498][ T10] process_one_work+0x84d/0x18a0 [ 1300.403498][ T10] worker_thread+0x587/0xd30 [ 1300.403498][ T10] kthread+0x28a/0x350 [ 1300.403498][ T10] ret_from_fork+0x31/0x70 [ 1300.403498][ T10] ret_from_fork_asm+0x1a/0x30 [ 1300.403498][ T10] [ 1300.405644][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1300.405644][ T10] netdev_get_by_index+0x5e/0x80 [ 1300.405644][ T10] fib6_nh_init+0x3d8/0x1580 [ 1300.405644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1300.405644][ T10] ip6_route_add+0x1c/0x140 [ 1300.405644][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1300.405644][ T10] inet6_addr_add+0x4f8/0xa40 [ 1300.405644][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1300.405644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.405644][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.405644][ T10] netlink_unicast+0x449/0x710 [ 1300.405644][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.405644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.405644][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.405644][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.405644][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.405644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.405644][ T10] [ 1300.408113][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1300.408113][ T10] netdev_get_by_index+0x5e/0x80 [ 1300.408113][ T10] fib6_nh_init+0x3d8/0x1580 [ 1300.408113][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1300.408113][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1300.408113][ T10] ipv6_add_addr+0x411/0x2000 [ 1300.408113][ T10] inet6_addr_add+0x30e/0xa40 [ 1300.408113][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1300.408113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.408113][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.408113][ T10] netlink_unicast+0x449/0x710 [ 1300.408113][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.408113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.408113][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.408113][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.408113][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.408113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.408113][ T10] [ 1300.410659][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1300.410659][ T10] netdev_get_by_index+0x5e/0x80 [ 1300.410659][ T10] fib6_nh_init+0x3d8/0x1580 [ 1300.410659][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1300.410659][ T10] ip6_route_add+0x1c/0x140 [ 1300.410659][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1300.410659][ T10] addrconf_add_dev+0xe2/0x170 [ 1300.410659][ T10] inet6_addr_add+0x12f/0xa40 [ 1300.410659][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1300.410659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.410659][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.410659][ T10] netlink_unicast+0x449/0x710 [ 1300.410659][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.410659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.410659][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.410659][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.410659][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.410659][ T10] [ 1300.413019][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1300.413019][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1300.413019][ T10] ipv6_find_idev+0x102/0x170 [ 1300.413019][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1300.413019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.413019][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.413019][ T10] netlink_unicast+0x449/0x710 [ 1300.413019][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.413019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.413019][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.413019][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.413019][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.413019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.413019][ T10] [ 1300.414919][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1300.414919][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1300.414919][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1300.414919][ T10] ipv6_find_idev+0x102/0x170 [ 1300.414919][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1300.414919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.414919][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.414919][ T10] netlink_unicast+0x449/0x710 [ 1300.414919][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.414919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.414919][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.414919][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.414919][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.414919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.414919][ T10] [ 1300.417034][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1300.417293][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1300.417293][ T10] netdev_get_by_index+0x5e/0x80 [ 1300.417293][ T10] fib6_nh_init+0x3d8/0x1580 [ 1300.417293][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1300.417293][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1300.417293][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1300.417293][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1300.417293][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1300.417293][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1300.417293][ T10] addrconf_dad_begin+0x310/0x670 [ 1300.417293][ T10] addrconf_dad_work+0x10b/0xab0 [ 1300.417293][ T10] process_one_work+0x84d/0x18a0 [ 1300.417293][ T10] worker_thread+0x587/0xd30 [ 1300.417293][ T10] kthread+0x28a/0x350 [ 1300.417293][ T10] ret_from_fork+0x31/0x70 [ 1300.417293][ T10] ret_from_fork_asm+0x1a/0x30 [ 1300.417293][ T10] [ 1300.419668][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1300.419668][ T10] netdev_get_by_index+0x5e/0x80 [ 1300.419668][ T10] fib6_nh_init+0x3d8/0x1580 [ 1300.419668][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1300.419668][ T10] ip6_route_add+0x1c/0x140 [ 1300.419668][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1300.419668][ T10] inet6_addr_add+0x4f8/0xa40 [ 1300.419668][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1300.419668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.419668][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.419668][ T10] netlink_unicast+0x449/0x710 [ 1300.419668][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.419668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.419668][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.419668][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.419668][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.419668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.419668][ T10] [ 1300.422133][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1300.422133][ T10] netdev_get_by_index+0x5e/0x80 [ 1300.422133][ T10] fib6_nh_init+0x3d8/0x1580 [ 1300.422133][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1300.422133][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1300.422133][ T10] ipv6_add_addr+0x411/0x2000 [ 1300.422133][ T10] inet6_addr_add+0x30e/0xa40 [ 1300.422133][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1300.422133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.422133][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.422133][ T10] netlink_unicast+0x449/0x710 [ 1300.422133][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.422133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.422133][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.422133][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.422133][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.422133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.422133][ T10] [ 1300.424616][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1300.424616][ T10] netdev_get_by_index+0x5e/0x80 [ 1300.424616][ T10] fib6_nh_init+0x3d8/0x1580 [ 1300.424616][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1300.424616][ T10] ip6_route_add+0x1c/0x140 [ 1300.424616][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1300.424616][ T10] addrconf_add_dev+0xe2/0x170 [ 1300.424616][ T10] inet6_addr_add+0x12f/0xa40 [ 1300.424616][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1300.424616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.424616][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.424616][ T10] netlink_unicast+0x449/0x710 [ 1300.424616][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.424616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.424616][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.424616][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.424616][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.424616][ T10] [ 1300.427053][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1300.427053][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1300.427053][ T10] ipv6_find_idev+0x102/0x170 [ 1300.427053][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1300.427053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.427053][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.427053][ T10] netlink_unicast+0x449/0x710 [ 1300.427053][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.427053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.427053][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.427053][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.427053][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.427053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.427053][ T10] [ 1300.428951][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1300.428951][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1300.428951][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1300.428951][ T10] ipv6_find_idev+0x102/0x170 [ 1300.428951][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1300.428951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.428951][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.428951][ T10] netlink_unicast+0x449/0x710 [ 1300.428951][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.428951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.428951][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.428951][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.428951][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.428951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.428951][ T10] [ 1308.769124][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1308.769647][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1308.769647][ T1167] dst_init+0x84/0x4a0 [ 1308.769647][ T1167] dst_alloc+0x97/0x150 [ 1308.769647][ T1167] ip6_dst_alloc+0x23/0x90 [ 1308.769647][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1308.769647][ T1167] ip6_pol_route+0x56f/0x840 [ 1308.769647][ T1167] fib6_rule_lookup+0x334/0x630 [ 1308.769647][ T1167] ip6_route_output_flags+0x259/0x480 [ 1308.769647][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1308.769647][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1308.769647][ T1167] netlink_rcv_skb+0x130/0x360 [ 1308.769647][ T1167] netlink_unicast+0x449/0x710 [ 1308.769647][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1308.769647][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1308.769647][ T1167] ___sys_sendmsg+0xee/0x170 [ 1308.769647][ T1167] __sys_sendmsg+0xcd/0x170 [ 1308.769647][ T1167] do_syscall_64+0xc6/0x1e0 [ 1308.769647][ T1167] [ 1308.771978][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1308.771978][ T1167] netdev_get_by_index+0x5e/0x80 [ 1308.771978][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1308.771978][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1308.771978][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1308.771978][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1308.771978][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1308.771978][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1308.771978][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1308.771978][ T1167] addrconf_dad_begin+0x310/0x670 [ 1308.771978][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1308.771978][ T1167] process_one_work+0x84d/0x18a0 [ 1308.771978][ T1167] worker_thread+0x587/0xd30 [ 1308.771978][ T1167] kthread+0x28a/0x350 [ 1308.771978][ T1167] ret_from_fork+0x31/0x70 [ 1308.771978][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1308.771978][ T1167] [ 1308.774165][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1308.774165][ T1167] netdev_get_by_index+0x5e/0x80 [ 1308.774165][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1308.774165][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1308.774165][ T1167] ip6_route_add+0x1c/0x140 [ 1308.774165][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1308.774165][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1308.774165][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1308.774165][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.774165][ T1167] netlink_rcv_skb+0x130/0x360 [ 1308.774165][ T1167] netlink_unicast+0x449/0x710 [ 1308.774165][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1308.774165][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1308.774165][ T1167] ___sys_sendmsg+0xee/0x170 [ 1308.774165][ T1167] __sys_sendmsg+0xcd/0x170 [ 1308.774165][ T1167] do_syscall_64+0xc6/0x1e0 [ 1308.774165][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.774165][ T1167] [ 1308.776429][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1308.776429][ T1167] netdev_get_by_index+0x5e/0x80 [ 1308.776429][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1308.776429][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1308.776429][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1308.776429][ T1167] ipv6_add_addr+0x411/0x2000 [ 1308.776429][ T1167] inet6_addr_add+0x30e/0xa40 [ 1308.776429][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1308.776429][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.776429][ T1167] netlink_rcv_skb+0x130/0x360 [ 1308.776429][ T1167] netlink_unicast+0x449/0x710 [ 1308.776429][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1308.776429][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1308.776429][ T1167] ___sys_sendmsg+0xee/0x170 [ 1308.776429][ T1167] __sys_sendmsg+0xcd/0x170 [ 1308.776429][ T1167] do_syscall_64+0xc6/0x1e0 [ 1308.776429][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.776429][ T1167] [ 1308.778694][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1308.778694][ T1167] netdev_get_by_index+0x5e/0x80 [ 1308.778694][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1308.778694][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1308.778694][ T1167] ip6_route_add+0x1c/0x140 [ 1308.778694][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1308.778694][ T1167] addrconf_add_dev+0xe2/0x170 [ 1308.778694][ T1167] inet6_addr_add+0x12f/0xa40 [ 1308.778694][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1308.778694][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.778694][ T1167] netlink_rcv_skb+0x130/0x360 [ 1308.778694][ T1167] netlink_unicast+0x449/0x710 [ 1308.778694][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1308.778694][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1308.778694][ T1167] ___sys_sendmsg+0xee/0x170 [ 1308.778694][ T1167] __sys_sendmsg+0xcd/0x170 [ 1308.778694][ T1167] do_syscall_64+0xc6/0x1e0 [ 1308.778694][ T1167] [ 1308.780929][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1308.780929][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1308.780929][ T1167] ipv6_find_idev+0x102/0x170 [ 1308.780929][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1308.780929][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.780929][ T1167] netlink_rcv_skb+0x130/0x360 [ 1308.780929][ T1167] netlink_unicast+0x449/0x710 [ 1308.780929][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1308.780929][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1308.780929][ T1167] ___sys_sendmsg+0xee/0x170 [ 1308.780929][ T1167] __sys_sendmsg+0xcd/0x170 [ 1308.780929][ T1167] do_syscall_64+0xc6/0x1e0 [ 1308.780929][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.780929][ T1167] [ 1308.782700][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1308.782700][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1308.782700][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1308.782700][ T1167] ipv6_find_idev+0x102/0x170 [ 1308.782700][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1308.782700][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.782700][ T1167] netlink_rcv_skb+0x130/0x360 [ 1308.782700][ T1167] netlink_unicast+0x449/0x710 [ 1308.782700][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1308.782700][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1308.782700][ T1167] ___sys_sendmsg+0xee/0x170 [ 1308.782700][ T1167] __sys_sendmsg+0xcd/0x170 [ 1308.782700][ T1167] do_syscall_64+0xc6/0x1e0 [ 1308.782700][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.782700][ T1167] [ 1310.673119][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1310.673581][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1310.673581][ T10] netdev_get_by_index+0x5e/0x80 [ 1310.673581][ T10] fib6_nh_init+0x3d8/0x1580 [ 1310.673581][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1310.673581][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1310.673581][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1310.673581][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1310.673581][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1310.673581][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1310.673581][ T10] addrconf_dad_begin+0x310/0x670 [ 1310.673581][ T10] addrconf_dad_work+0x10b/0xab0 [ 1310.673581][ T10] process_one_work+0x84d/0x18a0 [ 1310.673581][ T10] worker_thread+0x587/0xd30 [ 1310.673581][ T10] kthread+0x28a/0x350 [ 1310.673581][ T10] ret_from_fork+0x31/0x70 [ 1310.673581][ T10] ret_from_fork_asm+0x1a/0x30 [ 1310.673581][ T10] [ 1310.675769][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1310.675769][ T10] netdev_get_by_index+0x5e/0x80 [ 1310.675769][ T10] fib6_nh_init+0x3d8/0x1580 [ 1310.675769][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1310.675769][ T10] ip6_route_add+0x1c/0x140 [ 1310.675769][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1310.675769][ T10] inet6_addr_add+0x4f8/0xa40 [ 1310.675769][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1310.675769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1310.675769][ T10] netlink_rcv_skb+0x130/0x360 [ 1310.675769][ T10] netlink_unicast+0x449/0x710 [ 1310.675769][ T10] netlink_sendmsg+0x723/0xbe0 [ 1310.675769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1310.675769][ T10] ___sys_sendmsg+0xee/0x170 [ 1310.675769][ T10] __sys_sendmsg+0xcd/0x170 [ 1310.675769][ T10] do_syscall_64+0xc6/0x1e0 [ 1310.675769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1310.675769][ T10] [ 1310.678056][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1310.678056][ T10] netdev_get_by_index+0x5e/0x80 [ 1310.678056][ T10] fib6_nh_init+0x3d8/0x1580 [ 1310.678056][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1310.678056][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1310.678056][ T10] ipv6_add_addr+0x411/0x2000 [ 1310.678056][ T10] inet6_addr_add+0x30e/0xa40 [ 1310.678056][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1310.678056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1310.678056][ T10] netlink_rcv_skb+0x130/0x360 [ 1310.678056][ T10] netlink_unicast+0x449/0x710 [ 1310.678056][ T10] netlink_sendmsg+0x723/0xbe0 [ 1310.678056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1310.678056][ T10] ___sys_sendmsg+0xee/0x170 [ 1310.678056][ T10] __sys_sendmsg+0xcd/0x170 [ 1310.678056][ T10] do_syscall_64+0xc6/0x1e0 [ 1310.678056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1310.678056][ T10] [ 1310.680436][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1310.680436][ T10] netdev_get_by_index+0x5e/0x80 [ 1310.680436][ T10] fib6_nh_init+0x3d8/0x1580 [ 1310.680436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1310.680436][ T10] ip6_route_add+0x1c/0x140 [ 1310.680436][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1310.680436][ T10] addrconf_add_dev+0xe2/0x170 [ 1310.680436][ T10] inet6_addr_add+0x12f/0xa40 [ 1310.680436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1310.680436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1310.680436][ T10] netlink_rcv_skb+0x130/0x360 [ 1310.680436][ T10] netlink_unicast+0x449/0x710 [ 1310.680436][ T10] netlink_sendmsg+0x723/0xbe0 [ 1310.680436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1310.680436][ T10] ___sys_sendmsg+0xee/0x170 [ 1310.680436][ T10] __sys_sendmsg+0xcd/0x170 [ 1310.680436][ T10] do_syscall_64+0xc6/0x1e0 [ 1310.680436][ T10] [ 1310.682773][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1310.682773][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1310.682773][ T10] ipv6_find_idev+0x102/0x170 [ 1310.682773][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1310.682773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1310.682773][ T10] netlink_rcv_skb+0x130/0x360 [ 1310.682773][ T10] netlink_unicast+0x449/0x710 [ 1310.682773][ T10] netlink_sendmsg+0x723/0xbe0 [ 1310.682773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1310.682773][ T10] ___sys_sendmsg+0xee/0x170 [ 1310.682773][ T10] __sys_sendmsg+0xcd/0x170 [ 1310.682773][ T10] do_syscall_64+0xc6/0x1e0 [ 1310.682773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1310.682773][ T10] [ 1310.684558][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1310.684558][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1310.684558][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1310.684558][ T10] ipv6_find_idev+0x102/0x170 [ 1310.684558][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1310.684558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1310.684558][ T10] netlink_rcv_skb+0x130/0x360 [ 1310.684558][ T10] netlink_unicast+0x449/0x710 [ 1310.684558][ T10] netlink_sendmsg+0x723/0xbe0 [ 1310.684558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1310.684558][ T10] ___sys_sendmsg+0xee/0x170 [ 1310.684558][ T10] __sys_sendmsg+0xcd/0x170 [ 1310.684558][ T10] do_syscall_64+0xc6/0x1e0 [ 1310.684558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1310.684558][ T10] [ 1310.686702][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1310.686986][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1310.686986][ T10] netdev_get_by_index+0x5e/0x80 [ 1310.686986][ T10] fib6_nh_init+0x3d8/0x1580 [ 1310.686986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1310.686986][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1310.686986][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1310.686986][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1310.686986][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1310.686986][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1310.686986][ T10] addrconf_dad_begin+0x310/0x670 [ 1310.686986][ T10] addrconf_dad_work+0x10b/0xab0 [ 1310.686986][ T10] process_one_work+0x84d/0x18a0 [ 1310.686986][ T10] worker_thread+0x587/0xd30 [ 1310.686986][ T10] kthread+0x28a/0x350 [ 1310.686986][ T10] ret_from_fork+0x31/0x70 [ 1310.686986][ T10] ret_from_fork_asm+0x1a/0x30 [ 1310.686986][ T10] [ 1310.689228][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1310.689228][ T10] netdev_get_by_index+0x5e/0x80 [ 1310.689228][ T10] fib6_nh_init+0x3d8/0x1580 [ 1310.689228][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1310.689228][ T10] ip6_route_add+0x1c/0x140 [ 1310.689228][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1310.689228][ T10] inet6_addr_add+0x4f8/0xa40 [ 1310.689228][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1310.689228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1310.689228][ T10] netlink_rcv_skb+0x130/0x360 [ 1310.689228][ T10] netlink_unicast+0x449/0x710 [ 1310.689228][ T10] netlink_sendmsg+0x723/0xbe0 [ 1310.689228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1310.689228][ T10] ___sys_sendmsg+0xee/0x170 [ 1310.689228][ T10] __sys_sendmsg+0xcd/0x170 [ 1310.689228][ T10] do_syscall_64+0xc6/0x1e0 [ 1310.689228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1310.689228][ T10] [ 1310.691561][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1310.691561][ T10] netdev_get_by_index+0x5e/0x80 [ 1310.691561][ T10] fib6_nh_init+0x3d8/0x1580 [ 1310.691561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1310.691561][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1310.691561][ T10] ipv6_add_addr+0x411/0x2000 [ 1310.691561][ T10] inet6_addr_add+0x30e/0xa40 [ 1310.691561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1310.691561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1310.691561][ T10] netlink_rcv_skb+0x130/0x360 [ 1310.691561][ T10] netlink_unicast+0x449/0x710 [ 1310.691561][ T10] netlink_sendmsg+0x723/0xbe0 [ 1310.691561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1310.691561][ T10] ___sys_sendmsg+0xee/0x170 [ 1310.691561][ T10] __sys_sendmsg+0xcd/0x170 [ 1310.691561][ T10] do_syscall_64+0xc6/0x1e0 [ 1310.691561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1310.691561][ T10] [ 1310.693830][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1310.693830][ T10] netdev_get_by_index+0x5e/0x80 [ 1310.693830][ T10] fib6_nh_init+0x3d8/0x1580 [ 1310.693830][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1310.693830][ T10] ip6_route_add+0x1c/0x140 [ 1310.693830][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1310.693830][ T10] addrconf_add_dev+0xe2/0x170 [ 1310.693830][ T10] inet6_addr_add+0x12f/0xa40 [ 1310.693830][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1310.693830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1310.693830][ T10] netlink_rcv_skb+0x130/0x360 [ 1310.693830][ T10] netlink_unicast+0x449/0x710 [ 1310.693830][ T10] netlink_sendmsg+0x723/0xbe0 [ 1310.693830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1310.693830][ T10] ___sys_sendmsg+0xee/0x170 [ 1310.693830][ T10] __sys_sendmsg+0xcd/0x170 [ 1310.693830][ T10] do_syscall_64+0xc6/0x1e0 [ 1310.693830][ T10] [ 1310.696038][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1310.696038][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1310.696038][ T10] ipv6_find_idev+0x102/0x170 [ 1310.696038][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1310.696038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1310.696038][ T10] netlink_rcv_skb+0x130/0x360 [ 1310.696038][ T10] netlink_unicast+0x449/0x710 [ 1310.696038][ T10] netlink_sendmsg+0x723/0xbe0 [ 1310.696038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1310.696038][ T10] ___sys_sendmsg+0xee/0x170 [ 1310.696038][ T10] __sys_sendmsg+0xcd/0x170 [ 1310.696038][ T10] do_syscall_64+0xc6/0x1e0 [ 1310.696038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1310.696038][ T10] [ 1310.697752][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1310.697752][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1310.697752][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1310.697752][ T10] ipv6_find_idev+0x102/0x170 [ 1310.697752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1310.697752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1310.697752][ T10] netlink_rcv_skb+0x130/0x360 [ 1310.697752][ T10] netlink_unicast+0x449/0x710 [ 1310.697752][ T10] netlink_sendmsg+0x723/0xbe0 [ 1310.697752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1310.697752][ T10] ___sys_sendmsg+0xee/0x170 [ 1310.697752][ T10] __sys_sendmsg+0xcd/0x170 [ 1310.697752][ T10] do_syscall_64+0xc6/0x1e0 [ 1310.697752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1310.697752][ T10] [ 1310.699651][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1310.699933][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1310.699933][ T10] netdev_get_by_index+0x5e/0x80 [ 1310.699933][ T10] fib6_nh_init+0x3d8/0x1580 [ 1310.699933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1310.699933][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1310.699933][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1310.699933][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1310.699933][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1310.699933][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1310.699933][ T10] addrconf_dad_begin+0x310/0x670 [ 1310.699933][ T10] addrconf_dad_work+0x10b/0xab0 [ 1310.699933][ T10] process_one_work+0x84d/0x18a0 [ 1310.699933][ T10] worker_thread+0x587/0xd30 [ 1310.699933][ T10] kthread+0x28a/0x350 [ 1310.699933][ T10] ret_from_fork+0x31/0x70 [ 1310.699933][ T10] ret_from_fork_asm+0x1a/0x30 [ 1310.699933][ T10] [ 1310.702067][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1310.702067][ T10] netdev_get_by_index+0x5e/0x80 [ 1310.702067][ T10] fib6_nh_init+0x3d8/0x1580 [ 1310.702067][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1310.702067][ T10] ip6_route_add+0x1c/0x140 [ 1310.702067][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1310.702067][ T10] inet6_addr_add+0x4f8/0xa40 [ 1310.702067][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1310.702067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1310.702067][ T10] netlink_rcv_skb+0x130/0x360 [ 1310.702067][ T10] netlink_unicast+0x449/0x710 [ 1310.702067][ T10] netlink_sendmsg+0x723/0xbe0 [ 1310.702067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1310.702067][ T10] ___sys_sendmsg+0xee/0x170 [ 1310.702067][ T10] __sys_sendmsg+0xcd/0x170 [ 1310.702067][ T10] do_syscall_64+0xc6/0x1e0 [ 1310.702067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1310.702067][ T10] [ 1310.704596][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1310.704596][ T10] netdev_get_by_index+0x5e/0x80 [ 1310.704596][ T10] fib6_nh_init+0x3d8/0x1580 [ 1310.704596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1310.704596][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1310.704596][ T10] ipv6_add_addr+0x411/0x2000 [ 1310.704596][ T10] inet6_addr_add+0x30e/0xa40 [ 1310.704596][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1310.704596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1310.704596][ T10] netlink_rcv_skb+0x130/0x360 [ 1310.704596][ T10] netlink_unicast+0x449/0x710 [ 1310.704596][ T10] netlink_sendmsg+0x723/0xbe0 [ 1310.704596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1310.704596][ T10] ___sys_sendmsg+0xee/0x170 [ 1310.704596][ T10] __sys_sendmsg+0xcd/0x170 [ 1310.704596][ T10] do_syscall_64+0xc6/0x1e0 [ 1310.704596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1310.704596][ T10] [ 1310.707051][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1310.707051][ T10] netdev_get_by_index+0x5e/0x80 [ 1310.707051][ T10] fib6_nh_init+0x3d8/0x1580 [ 1310.707051][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1310.707051][ T10] ip6_route_add+0x1c/0x140 [ 1310.707051][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1310.707051][ T10] addrconf_add_dev+0xe2/0x170 [ 1310.707051][ T10] inet6_addr_add+0x12f/0xa40 [ 1310.707051][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1310.707051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1310.707051][ T10] netlink_rcv_skb+0x130/0x360 [ 1310.707051][ T10] netlink_unicast+0x449/0x710 [ 1310.707051][ T10] netlink_sendmsg+0x723/0xbe0 [ 1310.707051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1310.707051][ T10] ___sys_sendmsg+0xee/0x170 [ 1310.707051][ T10] __sys_sendmsg+0xcd/0x170 [ 1310.707051][ T10] do_syscall_64+0xc6/0x1e0 [ 1310.707051][ T10] [ 1310.709459][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1310.709459][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1310.709459][ T10] ipv6_find_idev+0x102/0x170 [ 1310.709459][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1310.709459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1310.709459][ T10] netlink_rcv_skb+0x130/0x360 [ 1310.709459][ T10] netlink_unicast+0x449/0x710 [ 1310.709459][ T10] netlink_sendmsg+0x723/0xbe0 [ 1310.709459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1310.709459][ T10] ___sys_sendmsg+0xee/0x170 [ 1310.709459][ T10] __sys_sendmsg+0xcd/0x170 [ 1310.709459][ T10] do_syscall_64+0xc6/0x1e0 [ 1310.709459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1310.709459][ T10] [ 1310.711478][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1310.711478][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1310.711478][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1310.711478][ T10] ipv6_find_idev+0x102/0x170 [ 1310.711478][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1310.711478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1310.711478][ T10] netlink_rcv_skb+0x130/0x360 [ 1310.711478][ T10] netlink_unicast+0x449/0x710 [ 1310.711478][ T10] netlink_sendmsg+0x723/0xbe0 [ 1310.711478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1310.711478][ T10] ___sys_sendmsg+0xee/0x170 [ 1310.711478][ T10] __sys_sendmsg+0xcd/0x170 [ 1310.711478][ T10] do_syscall_64+0xc6/0x1e0 [ 1310.711478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1310.711478][ T10] [ 1310.713623][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1310.713886][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1310.713886][ T10] netdev_get_by_index+0x5e/0x80 [ 1310.713886][ T10] fib6_nh_init+0x3d8/0x1580 [ 1310.713886][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1310.713886][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1310.713886][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1310.713886][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1310.713886][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1310.713886][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1310.713886][ T10] addrconf_dad_begin+0x310/0x670 [ 1310.713886][ T10] addrconf_dad_work+0x10b/0xab0 [ 1310.713886][ T10] process_one_work+0x84d/0x18a0 [ 1310.713886][ T10] worker_thread+0x587/0xd30 [ 1310.713886][ T10] kthread+0x28a/0x350 [ 1310.713886][ T10] ret_from_fork+0x31/0x70 [ 1310.713886][ T10] ret_from_fork_asm+0x1a/0x30 [ 1310.713886][ T10] [ 1310.716315][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1310.716315][ T10] netdev_get_by_index+0x5e/0x80 [ 1310.716315][ T10] fib6_nh_init+0x3d8/0x1580 [ 1310.716315][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1310.716315][ T10] ip6_route_add+0x1c/0x140 [ 1310.716315][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1310.716315][ T10] inet6_addr_add+0x4f8/0xa40 [ 1310.716315][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1310.716315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1310.716315][ T10] netlink_rcv_skb+0x130/0x360 [ 1310.716315][ T10] netlink_unicast+0x449/0x710 [ 1310.716315][ T10] netlink_sendmsg+0x723/0xbe0 [ 1310.716315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1310.716315][ T10] ___sys_sendmsg+0xee/0x170 [ 1310.716315][ T10] __sys_sendmsg+0xcd/0x170 [ 1310.716315][ T10] do_syscall_64+0xc6/0x1e0 [ 1310.716315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1310.716315][ T10] [ 1310.718732][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1310.718732][ T10] netdev_get_by_index+0x5e/0x80 [ 1310.718732][ T10] fib6_nh_init+0x3d8/0x1580 [ 1310.718732][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1310.718732][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1310.718732][ T10] ipv6_add_addr+0x411/0x2000 [ 1310.718732][ T10] inet6_addr_add+0x30e/0xa40 [ 1310.718732][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1310.718732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1310.718732][ T10] netlink_rcv_skb+0x130/0x360 [ 1310.718732][ T10] netlink_unicast+0x449/0x710 [ 1310.718732][ T10] netlink_sendmsg+0x723/0xbe0 [ 1310.718732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1310.718732][ T10] ___sys_sendmsg+0xee/0x170 [ 1310.718732][ T10] __sys_sendmsg+0xcd/0x170 [ 1310.718732][ T10] do_syscall_64+0xc6/0x1e0 [ 1310.718732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1310.718732][ T10] [ 1310.721202][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1310.721202][ T10] netdev_get_by_index+0x5e/0x80 [ 1310.721202][ T10] fib6_nh_init+0x3d8/0x1580 [ 1310.721202][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1310.721202][ T10] ip6_route_add+0x1c/0x140 [ 1310.721202][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1310.721202][ T10] addrconf_add_dev+0xe2/0x170 [ 1310.721202][ T10] inet6_addr_add+0x12f/0xa40 [ 1310.721202][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1310.721202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1310.721202][ T10] netlink_rcv_skb+0x130/0x360 [ 1310.721202][ T10] netlink_unicast+0x449/0x710 [ 1310.721202][ T10] netlink_sendmsg+0x723/0xbe0 [ 1310.721202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1310.721202][ T10] ___sys_sendmsg+0xee/0x170 [ 1310.721202][ T10] __sys_sendmsg+0xcd/0x170 [ 1310.721202][ T10] do_syscall_64+0xc6/0x1e0 [ 1310.721202][ T10] [ 1310.723608][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1310.723608][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1310.723608][ T10] ipv6_find_idev+0x102/0x170 [ 1310.723608][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1310.723608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1310.723608][ T10] netlink_rcv_skb+0x130/0x360 [ 1310.723608][ T10] netlink_unicast+0x449/0x710 [ 1310.723608][ T10] netlink_sendmsg+0x723/0xbe0 [ 1310.723608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1310.723608][ T10] ___sys_sendmsg+0xee/0x170 [ 1310.723608][ T10] __sys_sendmsg+0xcd/0x170 [ 1310.723608][ T10] do_syscall_64+0xc6/0x1e0 [ 1310.723608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1310.723608][ T10] [ 1310.725553][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1310.725553][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1310.725553][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1310.725553][ T10] ipv6_find_idev+0x102/0x170 [ 1310.725553][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1310.725553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1310.725553][ T10] netlink_rcv_skb+0x130/0x360 [ 1310.725553][ T10] netlink_unicast+0x449/0x710 [ 1310.725553][ T10] netlink_sendmsg+0x723/0xbe0 [ 1310.725553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1310.725553][ T10] ___sys_sendmsg+0xee/0x170 [ 1310.725553][ T10] __sys_sendmsg+0xcd/0x170 [ 1310.725553][ T10] do_syscall_64+0xc6/0x1e0 [ 1310.725553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1310.725553][ T10] [ 1319.025145][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1319.025674][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1319.025674][ T1167] dst_init+0x84/0x4a0 [ 1319.025674][ T1167] dst_alloc+0x97/0x150 [ 1319.025674][ T1167] ip6_dst_alloc+0x23/0x90 [ 1319.025674][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1319.025674][ T1167] ip6_pol_route+0x56f/0x840 [ 1319.025674][ T1167] fib6_rule_lookup+0x334/0x630 [ 1319.025674][ T1167] ip6_route_output_flags+0x259/0x480 [ 1319.025674][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1319.025674][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1319.025674][ T1167] netlink_rcv_skb+0x130/0x360 [ 1319.025674][ T1167] netlink_unicast+0x449/0x710 [ 1319.025674][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1319.025674][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1319.025674][ T1167] ___sys_sendmsg+0xee/0x170 [ 1319.025674][ T1167] __sys_sendmsg+0xcd/0x170 [ 1319.025674][ T1167] do_syscall_64+0xc6/0x1e0 [ 1319.025674][ T1167] [ 1319.027915][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1319.027915][ T1167] netdev_get_by_index+0x5e/0x80 [ 1319.027915][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1319.027915][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1319.027915][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1319.027915][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1319.027915][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1319.027915][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1319.027915][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1319.027915][ T1167] addrconf_dad_begin+0x310/0x670 [ 1319.027915][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1319.027915][ T1167] process_one_work+0x84d/0x18a0 [ 1319.027915][ T1167] worker_thread+0x587/0xd30 [ 1319.027915][ T1167] kthread+0x28a/0x350 [ 1319.027915][ T1167] ret_from_fork+0x31/0x70 [ 1319.027915][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1319.027915][ T1167] [ 1319.030096][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1319.030096][ T1167] netdev_get_by_index+0x5e/0x80 [ 1319.030096][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1319.030096][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1319.030096][ T1167] ip6_route_add+0x1c/0x140 [ 1319.030096][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1319.030096][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1319.030096][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1319.030096][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1319.030096][ T1167] netlink_rcv_skb+0x130/0x360 [ 1319.030096][ T1167] netlink_unicast+0x449/0x710 [ 1319.030096][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1319.030096][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1319.030096][ T1167] ___sys_sendmsg+0xee/0x170 [ 1319.030096][ T1167] __sys_sendmsg+0xcd/0x170 [ 1319.030096][ T1167] do_syscall_64+0xc6/0x1e0 [ 1319.030096][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1319.030096][ T1167] [ 1319.032377][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1319.032377][ T1167] netdev_get_by_index+0x5e/0x80 [ 1319.032377][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1319.032377][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1319.032377][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1319.032377][ T1167] ipv6_add_addr+0x411/0x2000 [ 1319.032377][ T1167] inet6_addr_add+0x30e/0xa40 [ 1319.032377][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1319.032377][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1319.032377][ T1167] netlink_rcv_skb+0x130/0x360 [ 1319.032377][ T1167] netlink_unicast+0x449/0x710 [ 1319.032377][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1319.032377][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1319.032377][ T1167] ___sys_sendmsg+0xee/0x170 [ 1319.032377][ T1167] __sys_sendmsg+0xcd/0x170 [ 1319.032377][ T1167] do_syscall_64+0xc6/0x1e0 [ 1319.032377][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1319.032377][ T1167] [ 1319.034652][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1319.034652][ T1167] netdev_get_by_index+0x5e/0x80 [ 1319.034652][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1319.034652][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1319.034652][ T1167] ip6_route_add+0x1c/0x140 [ 1319.034652][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1319.034652][ T1167] addrconf_add_dev+0xe2/0x170 [ 1319.034652][ T1167] inet6_addr_add+0x12f/0xa40 [ 1319.034652][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1319.034652][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1319.034652][ T1167] netlink_rcv_skb+0x130/0x360 [ 1319.034652][ T1167] netlink_unicast+0x449/0x710 [ 1319.034652][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1319.034652][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1319.034652][ T1167] ___sys_sendmsg+0xee/0x170 [ 1319.034652][ T1167] __sys_sendmsg+0xcd/0x170 [ 1319.034652][ T1167] do_syscall_64+0xc6/0x1e0 [ 1319.034652][ T1167] [ 1319.036867][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1319.036867][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1319.036867][ T1167] ipv6_find_idev+0x102/0x170 [ 1319.036867][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1319.036867][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1319.036867][ T1167] netlink_rcv_skb+0x130/0x360 [ 1319.036867][ T1167] netlink_unicast+0x449/0x710 [ 1319.036867][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1319.036867][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1319.036867][ T1167] ___sys_sendmsg+0xee/0x170 [ 1319.036867][ T1167] __sys_sendmsg+0xcd/0x170 [ 1319.036867][ T1167] do_syscall_64+0xc6/0x1e0 [ 1319.036867][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1319.036867][ T1167] [ 1319.038613][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1319.038613][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1319.038613][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1319.038613][ T1167] ipv6_find_idev+0x102/0x170 [ 1319.038613][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1319.038613][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1319.038613][ T1167] netlink_rcv_skb+0x130/0x360 [ 1319.038613][ T1167] netlink_unicast+0x449/0x710 [ 1319.038613][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1319.038613][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1319.038613][ T1167] ___sys_sendmsg+0xee/0x170 [ 1319.038613][ T1167] __sys_sendmsg+0xcd/0x170 [ 1319.038613][ T1167] do_syscall_64+0xc6/0x1e0 [ 1319.038613][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1319.038613][ T1167] [ 1320.969204][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1320.969633][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1320.969633][ T10] netdev_get_by_index+0x5e/0x80 [ 1320.969633][ T10] fib6_nh_init+0x3d8/0x1580 [ 1320.969633][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1320.969633][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1320.969633][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1320.969633][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1320.969633][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1320.969633][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1320.969633][ T10] addrconf_dad_begin+0x310/0x670 [ 1320.969633][ T10] addrconf_dad_work+0x10b/0xab0 [ 1320.969633][ T10] process_one_work+0x84d/0x18a0 [ 1320.969633][ T10] worker_thread+0x587/0xd30 [ 1320.969633][ T10] kthread+0x28a/0x350 [ 1320.969633][ T10] ret_from_fork+0x31/0x70 [ 1320.969633][ T10] ret_from_fork_asm+0x1a/0x30 [ 1320.969633][ T10] [ 1320.971672][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1320.971672][ T10] netdev_get_by_index+0x5e/0x80 [ 1320.971672][ T10] fib6_nh_init+0x3d8/0x1580 [ 1320.971672][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1320.971672][ T10] ip6_route_add+0x1c/0x140 [ 1320.971672][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1320.971672][ T10] inet6_addr_add+0x4f8/0xa40 [ 1320.971672][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1320.971672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1320.971672][ T10] netlink_rcv_skb+0x130/0x360 [ 1320.971672][ T10] netlink_unicast+0x449/0x710 [ 1320.971672][ T10] netlink_sendmsg+0x723/0xbe0 [ 1320.971672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1320.971672][ T10] ___sys_sendmsg+0xee/0x170 [ 1320.971672][ T10] __sys_sendmsg+0xcd/0x170 [ 1320.971672][ T10] do_syscall_64+0xc6/0x1e0 [ 1320.971672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1320.971672][ T10] [ 1320.973686][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1320.973686][ T10] netdev_get_by_index+0x5e/0x80 [ 1320.973686][ T10] fib6_nh_init+0x3d8/0x1580 [ 1320.973686][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1320.973686][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1320.973686][ T10] ipv6_add_addr+0x411/0x2000 [ 1320.973686][ T10] inet6_addr_add+0x30e/0xa40 [ 1320.973686][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1320.973686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1320.973686][ T10] netlink_rcv_skb+0x130/0x360 [ 1320.973686][ T10] netlink_unicast+0x449/0x710 [ 1320.973686][ T10] netlink_sendmsg+0x723/0xbe0 [ 1320.973686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1320.973686][ T10] ___sys_sendmsg+0xee/0x170 [ 1320.973686][ T10] __sys_sendmsg+0xcd/0x170 [ 1320.973686][ T10] do_syscall_64+0xc6/0x1e0 [ 1320.973686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1320.973686][ T10] [ 1320.975678][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1320.975678][ T10] netdev_get_by_index+0x5e/0x80 [ 1320.975678][ T10] fib6_nh_init+0x3d8/0x1580 [ 1320.975678][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1320.975678][ T10] ip6_route_add+0x1c/0x140 [ 1320.975678][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1320.975678][ T10] addrconf_add_dev+0xe2/0x170 [ 1320.975678][ T10] inet6_addr_add+0x12f/0xa40 [ 1320.975678][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1320.975678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1320.975678][ T10] netlink_rcv_skb+0x130/0x360 [ 1320.975678][ T10] netlink_unicast+0x449/0x710 [ 1320.975678][ T10] netlink_sendmsg+0x723/0xbe0 [ 1320.975678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1320.975678][ T10] ___sys_sendmsg+0xee/0x170 [ 1320.975678][ T10] __sys_sendmsg+0xcd/0x170 [ 1320.975678][ T10] do_syscall_64+0xc6/0x1e0 [ 1320.975678][ T10] [ 1320.977631][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1320.977631][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1320.977631][ T10] ipv6_find_idev+0x102/0x170 [ 1320.977631][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1320.977631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1320.977631][ T10] netlink_rcv_skb+0x130/0x360 [ 1320.977631][ T10] netlink_unicast+0x449/0x710 [ 1320.977631][ T10] netlink_sendmsg+0x723/0xbe0 [ 1320.977631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1320.977631][ T10] ___sys_sendmsg+0xee/0x170 [ 1320.977631][ T10] __sys_sendmsg+0xcd/0x170 [ 1320.977631][ T10] do_syscall_64+0xc6/0x1e0 [ 1320.977631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1320.977631][ T10] [ 1320.979218][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1320.979218][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1320.979218][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1320.979218][ T10] ipv6_find_idev+0x102/0x170 [ 1320.979218][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1320.979218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1320.979218][ T10] netlink_rcv_skb+0x130/0x360 [ 1320.979218][ T10] netlink_unicast+0x449/0x710 [ 1320.979218][ T10] netlink_sendmsg+0x723/0xbe0 [ 1320.979218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1320.979218][ T10] ___sys_sendmsg+0xee/0x170 [ 1320.979218][ T10] __sys_sendmsg+0xcd/0x170 [ 1320.979218][ T10] do_syscall_64+0xc6/0x1e0 [ 1320.979218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1320.979218][ T10] [ 1320.980911][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1320.981166][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1320.981166][ T10] netdev_get_by_index+0x5e/0x80 [ 1320.981166][ T10] fib6_nh_init+0x3d8/0x1580 [ 1320.981166][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1320.981166][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1320.981166][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1320.981166][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1320.981166][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1320.981166][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1320.981166][ T10] addrconf_dad_begin+0x310/0x670 [ 1320.981166][ T10] addrconf_dad_work+0x10b/0xab0 [ 1320.981166][ T10] process_one_work+0x84d/0x18a0 [ 1320.981166][ T10] worker_thread+0x587/0xd30 [ 1320.981166][ T10] kthread+0x28a/0x350 [ 1320.981166][ T10] ret_from_fork+0x31/0x70 [ 1320.981166][ T10] ret_from_fork_asm+0x1a/0x30 [ 1320.981166][ T10] [ 1320.983080][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1320.983080][ T10] netdev_get_by_index+0x5e/0x80 [ 1320.983080][ T10] fib6_nh_init+0x3d8/0x1580 [ 1320.983080][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1320.983080][ T10] ip6_route_add+0x1c/0x140 [ 1320.983080][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1320.983080][ T10] inet6_addr_add+0x4f8/0xa40 [ 1320.983080][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1320.983080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1320.983080][ T10] netlink_rcv_skb+0x130/0x360 [ 1320.983080][ T10] netlink_unicast+0x449/0x710 [ 1320.983080][ T10] netlink_sendmsg+0x723/0xbe0 [ 1320.983080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1320.983080][ T10] ___sys_sendmsg+0xee/0x170 [ 1320.983080][ T10] __sys_sendmsg+0xcd/0x170 [ 1320.983080][ T10] do_syscall_64+0xc6/0x1e0 [ 1320.983080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1320.983080][ T10] [ 1320.985064][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1320.985064][ T10] netdev_get_by_index+0x5e/0x80 [ 1320.985064][ T10] fib6_nh_init+0x3d8/0x1580 [ 1320.985064][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1320.985064][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1320.985064][ T10] ipv6_add_addr+0x411/0x2000 [ 1320.985064][ T10] inet6_addr_add+0x30e/0xa40 [ 1320.985064][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1320.985064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1320.985064][ T10] netlink_rcv_skb+0x130/0x360 [ 1320.985064][ T10] netlink_unicast+0x449/0x710 [ 1320.985064][ T10] netlink_sendmsg+0x723/0xbe0 [ 1320.985064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1320.985064][ T10] ___sys_sendmsg+0xee/0x170 [ 1320.985064][ T10] __sys_sendmsg+0xcd/0x170 [ 1320.985064][ T10] do_syscall_64+0xc6/0x1e0 [ 1320.985064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1320.985064][ T10] [ 1320.987056][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1320.987056][ T10] netdev_get_by_index+0x5e/0x80 [ 1320.987056][ T10] fib6_nh_init+0x3d8/0x1580 [ 1320.987056][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1320.987056][ T10] ip6_route_add+0x1c/0x140 [ 1320.987056][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1320.987056][ T10] addrconf_add_dev+0xe2/0x170 [ 1320.987056][ T10] inet6_addr_add+0x12f/0xa40 [ 1320.987056][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1320.987056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1320.987056][ T10] netlink_rcv_skb+0x130/0x360 [ 1320.987056][ T10] netlink_unicast+0x449/0x710 [ 1320.987056][ T10] netlink_sendmsg+0x723/0xbe0 [ 1320.987056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1320.987056][ T10] ___sys_sendmsg+0xee/0x170 [ 1320.987056][ T10] __sys_sendmsg+0xcd/0x170 [ 1320.987056][ T10] do_syscall_64+0xc6/0x1e0 [ 1320.987056][ T10] [ 1320.989020][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1320.989020][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1320.989020][ T10] ipv6_find_idev+0x102/0x170 [ 1320.989020][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1320.989020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1320.989020][ T10] netlink_rcv_skb+0x130/0x360 [ 1320.989020][ T10] netlink_unicast+0x449/0x710 [ 1320.989020][ T10] netlink_sendmsg+0x723/0xbe0 [ 1320.989020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1320.989020][ T10] ___sys_sendmsg+0xee/0x170 [ 1320.989020][ T10] __sys_sendmsg+0xcd/0x170 [ 1320.989020][ T10] do_syscall_64+0xc6/0x1e0 [ 1320.989020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1320.989020][ T10] [ 1320.990554][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1320.990554][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1320.990554][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1320.990554][ T10] ipv6_find_idev+0x102/0x170 [ 1320.990554][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1320.990554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1320.990554][ T10] netlink_rcv_skb+0x130/0x360 [ 1320.990554][ T10] netlink_unicast+0x449/0x710 [ 1320.990554][ T10] netlink_sendmsg+0x723/0xbe0 [ 1320.990554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1320.990554][ T10] ___sys_sendmsg+0xee/0x170 [ 1320.990554][ T10] __sys_sendmsg+0xcd/0x170 [ 1320.990554][ T10] do_syscall_64+0xc6/0x1e0 [ 1320.990554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1320.990554][ T10] [ 1320.992234][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1320.992479][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1320.992479][ T10] netdev_get_by_index+0x5e/0x80 [ 1320.992479][ T10] fib6_nh_init+0x3d8/0x1580 [ 1320.992479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1320.992479][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1320.992479][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1320.992479][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1320.992479][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1320.992479][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1320.992479][ T10] addrconf_dad_begin+0x310/0x670 [ 1320.992479][ T10] addrconf_dad_work+0x10b/0xab0 [ 1320.992479][ T10] process_one_work+0x84d/0x18a0 [ 1320.992479][ T10] worker_thread+0x587/0xd30 [ 1320.992479][ T10] kthread+0x28a/0x350 [ 1320.992479][ T10] ret_from_fork+0x31/0x70 [ 1320.992479][ T10] ret_from_fork_asm+0x1a/0x30 [ 1320.992479][ T10] [ 1320.994372][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1320.994372][ T10] netdev_get_by_index+0x5e/0x80 [ 1320.994372][ T10] fib6_nh_init+0x3d8/0x1580 [ 1320.994372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1320.994372][ T10] ip6_route_add+0x1c/0x140 [ 1320.994372][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1320.994372][ T10] inet6_addr_add+0x4f8/0xa40 [ 1320.994372][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1320.994372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1320.994372][ T10] netlink_rcv_skb+0x130/0x360 [ 1320.994372][ T10] netlink_unicast+0x449/0x710 [ 1320.994372][ T10] netlink_sendmsg+0x723/0xbe0 [ 1320.994372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1320.994372][ T10] ___sys_sendmsg+0xee/0x170 [ 1320.994372][ T10] __sys_sendmsg+0xcd/0x170 [ 1320.994372][ T10] do_syscall_64+0xc6/0x1e0 [ 1320.994372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1320.994372][ T10] [ 1320.996566][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1320.996566][ T10] netdev_get_by_index+0x5e/0x80 [ 1320.996566][ T10] fib6_nh_init+0x3d8/0x1580 [ 1320.996566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1320.996566][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1320.996566][ T10] ipv6_add_addr+0x411/0x2000 [ 1320.996566][ T10] inet6_addr_add+0x30e/0xa40 [ 1320.996566][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1320.996566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1320.996566][ T10] netlink_rcv_skb+0x130/0x360 [ 1320.996566][ T10] netlink_unicast+0x449/0x710 [ 1320.996566][ T10] netlink_sendmsg+0x723/0xbe0 [ 1320.996566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1320.996566][ T10] ___sys_sendmsg+0xee/0x170 [ 1320.996566][ T10] __sys_sendmsg+0xcd/0x170 [ 1320.996566][ T10] do_syscall_64+0xc6/0x1e0 [ 1320.996566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1320.996566][ T10] [ 1320.998853][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1320.998853][ T10] netdev_get_by_index+0x5e/0x80 [ 1320.998853][ T10] fib6_nh_init+0x3d8/0x1580 [ 1320.998853][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1320.998853][ T10] ip6_route_add+0x1c/0x140 [ 1320.998853][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1320.998853][ T10] addrconf_add_dev+0xe2/0x170 [ 1320.998853][ T10] inet6_addr_add+0x12f/0xa40 [ 1320.998853][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1320.998853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1320.998853][ T10] netlink_rcv_skb+0x130/0x360 [ 1320.998853][ T10] netlink_unicast+0x449/0x710 [ 1320.998853][ T10] netlink_sendmsg+0x723/0xbe0 [ 1320.998853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1320.998853][ T10] ___sys_sendmsg+0xee/0x170 [ 1320.998853][ T10] __sys_sendmsg+0xcd/0x170 [ 1320.998853][ T10] do_syscall_64+0xc6/0x1e0 [ 1320.998853][ T10] [ 1321.001036][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1321.001036][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1321.001036][ T10] ipv6_find_idev+0x102/0x170 [ 1321.001036][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1321.001036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1321.001036][ T10] netlink_rcv_skb+0x130/0x360 [ 1321.001036][ T10] netlink_unicast+0x449/0x710 [ 1321.001036][ T10] netlink_sendmsg+0x723/0xbe0 [ 1321.001036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1321.001036][ T10] ___sys_sendmsg+0xee/0x170 [ 1321.001036][ T10] __sys_sendmsg+0xcd/0x170 [ 1321.001036][ T10] do_syscall_64+0xc6/0x1e0 [ 1321.001036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1321.001036][ T10] [ 1321.002690][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1321.002690][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1321.002690][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1321.002690][ T10] ipv6_find_idev+0x102/0x170 [ 1321.002690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1321.002690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1321.002690][ T10] netlink_rcv_skb+0x130/0x360 [ 1321.002690][ T10] netlink_unicast+0x449/0x710 [ 1321.002690][ T10] netlink_sendmsg+0x723/0xbe0 [ 1321.002690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1321.002690][ T10] ___sys_sendmsg+0xee/0x170 [ 1321.002690][ T10] __sys_sendmsg+0xcd/0x170 [ 1321.002690][ T10] do_syscall_64+0xc6/0x1e0 [ 1321.002690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1321.002690][ T10] [ 1321.004543][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1321.004775][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1321.004775][ T10] netdev_get_by_index+0x5e/0x80 [ 1321.004775][ T10] fib6_nh_init+0x3d8/0x1580 [ 1321.004775][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1321.004775][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1321.004775][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1321.004775][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1321.004775][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1321.004775][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1321.004775][ T10] addrconf_dad_begin+0x310/0x670 [ 1321.004775][ T10] addrconf_dad_work+0x10b/0xab0 [ 1321.004775][ T10] process_one_work+0x84d/0x18a0 [ 1321.004775][ T10] worker_thread+0x587/0xd30 [ 1321.004775][ T10] kthread+0x28a/0x350 [ 1321.004775][ T10] ret_from_fork+0x31/0x70 [ 1321.004775][ T10] ret_from_fork_asm+0x1a/0x30 [ 1321.004775][ T10] [ 1321.006975][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1321.006975][ T10] netdev_get_by_index+0x5e/0x80 [ 1321.006975][ T10] fib6_nh_init+0x3d8/0x1580 [ 1321.006975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1321.006975][ T10] ip6_route_add+0x1c/0x140 [ 1321.006975][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1321.006975][ T10] inet6_addr_add+0x4f8/0xa40 [ 1321.006975][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1321.006975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1321.006975][ T10] netlink_rcv_skb+0x130/0x360 [ 1321.006975][ T10] netlink_unicast+0x449/0x710 [ 1321.006975][ T10] netlink_sendmsg+0x723/0xbe0 [ 1321.006975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1321.006975][ T10] ___sys_sendmsg+0xee/0x170 [ 1321.006975][ T10] __sys_sendmsg+0xcd/0x170 [ 1321.006975][ T10] do_syscall_64+0xc6/0x1e0 [ 1321.006975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1321.006975][ T10] [ 1321.009198][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1321.009198][ T10] netdev_get_by_index+0x5e/0x80 [ 1321.009198][ T10] fib6_nh_init+0x3d8/0x1580 [ 1321.009198][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1321.009198][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1321.009198][ T10] ipv6_add_addr+0x411/0x2000 [ 1321.009198][ T10] inet6_addr_add+0x30e/0xa40 [ 1321.009198][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1321.009198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1321.009198][ T10] netlink_rcv_skb+0x130/0x360 [ 1321.009198][ T10] netlink_unicast+0x449/0x710 [ 1321.009198][ T10] netlink_sendmsg+0x723/0xbe0 [ 1321.009198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1321.009198][ T10] ___sys_sendmsg+0xee/0x170 [ 1321.009198][ T10] __sys_sendmsg+0xcd/0x170 [ 1321.009198][ T10] do_syscall_64+0xc6/0x1e0 [ 1321.009198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1321.009198][ T10] [ 1321.011359][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1321.011359][ T10] netdev_get_by_index+0x5e/0x80 [ 1321.011359][ T10] fib6_nh_init+0x3d8/0x1580 [ 1321.011359][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1321.011359][ T10] ip6_route_add+0x1c/0x140 [ 1321.011359][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1321.011359][ T10] addrconf_add_dev+0xe2/0x170 [ 1321.011359][ T10] inet6_addr_add+0x12f/0xa40 [ 1321.011359][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1321.011359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1321.011359][ T10] netlink_rcv_skb+0x130/0x360 [ 1321.011359][ T10] netlink_unicast+0x449/0x710 [ 1321.011359][ T10] netlink_sendmsg+0x723/0xbe0 [ 1321.011359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1321.011359][ T10] ___sys_sendmsg+0xee/0x170 [ 1321.011359][ T10] __sys_sendmsg+0xcd/0x170 [ 1321.011359][ T10] do_syscall_64+0xc6/0x1e0 [ 1321.011359][ T10] [ 1321.013560][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1321.013560][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1321.013560][ T10] ipv6_find_idev+0x102/0x170 [ 1321.013560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1321.013560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1321.013560][ T10] netlink_rcv_skb+0x130/0x360 [ 1321.013560][ T10] netlink_unicast+0x449/0x710 [ 1321.013560][ T10] netlink_sendmsg+0x723/0xbe0 [ 1321.013560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1321.013560][ T10] ___sys_sendmsg+0xee/0x170 [ 1321.013560][ T10] __sys_sendmsg+0xcd/0x170 [ 1321.013560][ T10] do_syscall_64+0xc6/0x1e0 [ 1321.013560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1321.013560][ T10] [ 1321.015299][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1321.015299][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1321.015299][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1321.015299][ T10] ipv6_find_idev+0x102/0x170 [ 1321.015299][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1321.015299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1321.015299][ T10] netlink_rcv_skb+0x130/0x360 [ 1321.015299][ T10] netlink_unicast+0x449/0x710 [ 1321.015299][ T10] netlink_sendmsg+0x723/0xbe0 [ 1321.015299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1321.015299][ T10] ___sys_sendmsg+0xee/0x170 [ 1321.015299][ T10] __sys_sendmsg+0xcd/0x170 [ 1321.015299][ T10] do_syscall_64+0xc6/0x1e0 [ 1321.015299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1321.015299][ T10] [ 1329.281171][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1329.281692][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1329.281692][ T1167] dst_init+0x84/0x4a0 [ 1329.281692][ T1167] dst_alloc+0x97/0x150 [ 1329.281692][ T1167] ip6_dst_alloc+0x23/0x90 [ 1329.281692][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1329.281692][ T1167] ip6_pol_route+0x56f/0x840 [ 1329.281692][ T1167] fib6_rule_lookup+0x334/0x630 [ 1329.281692][ T1167] ip6_route_output_flags+0x259/0x480 [ 1329.281692][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1329.281692][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1329.281692][ T1167] netlink_rcv_skb+0x130/0x360 [ 1329.281692][ T1167] netlink_unicast+0x449/0x710 [ 1329.281692][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1329.281692][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1329.281692][ T1167] ___sys_sendmsg+0xee/0x170 [ 1329.281692][ T1167] __sys_sendmsg+0xcd/0x170 [ 1329.281692][ T1167] do_syscall_64+0xc6/0x1e0 [ 1329.281692][ T1167] [ 1329.283929][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1329.283929][ T1167] netdev_get_by_index+0x5e/0x80 [ 1329.283929][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1329.283929][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1329.283929][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1329.283929][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1329.283929][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1329.283929][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1329.283929][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1329.283929][ T1167] addrconf_dad_begin+0x310/0x670 [ 1329.283929][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1329.283929][ T1167] process_one_work+0x84d/0x18a0 [ 1329.283929][ T1167] worker_thread+0x587/0xd30 [ 1329.283929][ T1167] kthread+0x28a/0x350 [ 1329.283929][ T1167] ret_from_fork+0x31/0x70 [ 1329.283929][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1329.283929][ T1167] [ 1329.286101][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1329.286101][ T1167] netdev_get_by_index+0x5e/0x80 [ 1329.286101][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1329.286101][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1329.286101][ T1167] ip6_route_add+0x1c/0x140 [ 1329.286101][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1329.286101][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1329.286101][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1329.286101][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.286101][ T1167] netlink_rcv_skb+0x130/0x360 [ 1329.286101][ T1167] netlink_unicast+0x449/0x710 [ 1329.286101][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1329.286101][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1329.286101][ T1167] ___sys_sendmsg+0xee/0x170 [ 1329.286101][ T1167] __sys_sendmsg+0xcd/0x170 [ 1329.286101][ T1167] do_syscall_64+0xc6/0x1e0 [ 1329.286101][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.286101][ T1167] [ 1329.288366][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1329.288366][ T1167] netdev_get_by_index+0x5e/0x80 [ 1329.288366][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1329.288366][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1329.288366][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1329.288366][ T1167] ipv6_add_addr+0x411/0x2000 [ 1329.288366][ T1167] inet6_addr_add+0x30e/0xa40 [ 1329.288366][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1329.288366][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.288366][ T1167] netlink_rcv_skb+0x130/0x360 [ 1329.288366][ T1167] netlink_unicast+0x449/0x710 [ 1329.288366][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1329.288366][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1329.288366][ T1167] ___sys_sendmsg+0xee/0x170 [ 1329.288366][ T1167] __sys_sendmsg+0xcd/0x170 [ 1329.288366][ T1167] do_syscall_64+0xc6/0x1e0 [ 1329.288366][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.288366][ T1167] [ 1329.290631][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1329.290631][ T1167] netdev_get_by_index+0x5e/0x80 [ 1329.290631][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1329.290631][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1329.290631][ T1167] ip6_route_add+0x1c/0x140 [ 1329.290631][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1329.290631][ T1167] addrconf_add_dev+0xe2/0x170 [ 1329.290631][ T1167] inet6_addr_add+0x12f/0xa40 [ 1329.290631][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1329.290631][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.290631][ T1167] netlink_rcv_skb+0x130/0x360 [ 1329.290631][ T1167] netlink_unicast+0x449/0x710 [ 1329.290631][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1329.290631][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1329.290631][ T1167] ___sys_sendmsg+0xee/0x170 [ 1329.290631][ T1167] __sys_sendmsg+0xcd/0x170 [ 1329.290631][ T1167] do_syscall_64+0xc6/0x1e0 [ 1329.290631][ T1167] [ 1329.292861][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1329.292861][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1329.292861][ T1167] ipv6_find_idev+0x102/0x170 [ 1329.292861][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1329.292861][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.292861][ T1167] netlink_rcv_skb+0x130/0x360 [ 1329.292861][ T1167] netlink_unicast+0x449/0x710 [ 1329.292861][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1329.292861][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1329.292861][ T1167] ___sys_sendmsg+0xee/0x170 [ 1329.292861][ T1167] __sys_sendmsg+0xcd/0x170 [ 1329.292861][ T1167] do_syscall_64+0xc6/0x1e0 [ 1329.292861][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.292861][ T1167] [ 1329.294605][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1329.294605][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1329.294605][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1329.294605][ T1167] ipv6_find_idev+0x102/0x170 [ 1329.294605][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1329.294605][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1329.294605][ T1167] netlink_rcv_skb+0x130/0x360 [ 1329.294605][ T1167] netlink_unicast+0x449/0x710 [ 1329.294605][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1329.294605][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1329.294605][ T1167] ___sys_sendmsg+0xee/0x170 [ 1329.294605][ T1167] __sys_sendmsg+0xcd/0x170 [ 1329.294605][ T1167] do_syscall_64+0xc6/0x1e0 [ 1329.294605][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1329.294605][ T1167] [ 1331.073089][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1331.073447][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1331.073447][ T10] netdev_get_by_index+0x5e/0x80 [ 1331.073447][ T10] fib6_nh_init+0x3d8/0x1580 [ 1331.073447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1331.073447][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1331.073447][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1331.073447][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1331.073447][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1331.073447][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1331.073447][ T10] addrconf_dad_begin+0x310/0x670 [ 1331.073447][ T10] addrconf_dad_work+0x10b/0xab0 [ 1331.073447][ T10] process_one_work+0x84d/0x18a0 [ 1331.073447][ T10] worker_thread+0x587/0xd30 [ 1331.073447][ T10] kthread+0x28a/0x350 [ 1331.073447][ T10] ret_from_fork+0x31/0x70 [ 1331.073447][ T10] ret_from_fork_asm+0x1a/0x30 [ 1331.073447][ T10] [ 1331.075396][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1331.075396][ T10] netdev_get_by_index+0x5e/0x80 [ 1331.075396][ T10] fib6_nh_init+0x3d8/0x1580 [ 1331.075396][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1331.075396][ T10] ip6_route_add+0x1c/0x140 [ 1331.075396][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1331.075396][ T10] inet6_addr_add+0x4f8/0xa40 [ 1331.075396][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1331.075396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.075396][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.075396][ T10] netlink_unicast+0x449/0x710 [ 1331.075396][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.075396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.075396][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.075396][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.075396][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.075396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.075396][ T10] [ 1331.077392][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1331.077392][ T10] netdev_get_by_index+0x5e/0x80 [ 1331.077392][ T10] fib6_nh_init+0x3d8/0x1580 [ 1331.077392][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1331.077392][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1331.077392][ T10] ipv6_add_addr+0x411/0x2000 [ 1331.077392][ T10] inet6_addr_add+0x30e/0xa40 [ 1331.077392][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1331.077392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.077392][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.077392][ T10] netlink_unicast+0x449/0x710 [ 1331.077392][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.077392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.077392][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.077392][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.077392][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.077392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.077392][ T10] [ 1331.079385][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1331.079385][ T10] netdev_get_by_index+0x5e/0x80 [ 1331.079385][ T10] fib6_nh_init+0x3d8/0x1580 [ 1331.079385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1331.079385][ T10] ip6_route_add+0x1c/0x140 [ 1331.079385][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1331.079385][ T10] addrconf_add_dev+0xe2/0x170 [ 1331.079385][ T10] inet6_addr_add+0x12f/0xa40 [ 1331.079385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1331.079385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.079385][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.079385][ T10] netlink_unicast+0x449/0x710 [ 1331.079385][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.079385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.079385][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.079385][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.079385][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.079385][ T10] [ 1331.081373][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1331.081373][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1331.081373][ T10] ipv6_find_idev+0x102/0x170 [ 1331.081373][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1331.081373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.081373][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.081373][ T10] netlink_unicast+0x449/0x710 [ 1331.081373][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.081373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.081373][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.081373][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.081373][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.081373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.081373][ T10] [ 1331.082947][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1331.082947][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1331.082947][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1331.082947][ T10] ipv6_find_idev+0x102/0x170 [ 1331.082947][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1331.082947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.082947][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.082947][ T10] netlink_unicast+0x449/0x710 [ 1331.082947][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.082947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.082947][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.082947][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.082947][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.082947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.082947][ T10] [ 1331.084646][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1331.084899][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1331.084899][ T10] netdev_get_by_index+0x5e/0x80 [ 1331.084899][ T10] fib6_nh_init+0x3d8/0x1580 [ 1331.084899][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1331.084899][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1331.084899][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1331.084899][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1331.084899][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1331.084899][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1331.084899][ T10] addrconf_dad_begin+0x310/0x670 [ 1331.084899][ T10] addrconf_dad_work+0x10b/0xab0 [ 1331.084899][ T10] process_one_work+0x84d/0x18a0 [ 1331.084899][ T10] worker_thread+0x587/0xd30 [ 1331.084899][ T10] kthread+0x28a/0x350 [ 1331.084899][ T10] ret_from_fork+0x31/0x70 [ 1331.084899][ T10] ret_from_fork_asm+0x1a/0x30 [ 1331.084899][ T10] [ 1331.086818][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1331.086818][ T10] netdev_get_by_index+0x5e/0x80 [ 1331.086818][ T10] fib6_nh_init+0x3d8/0x1580 [ 1331.086818][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1331.086818][ T10] ip6_route_add+0x1c/0x140 [ 1331.086818][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1331.086818][ T10] inet6_addr_add+0x4f8/0xa40 [ 1331.086818][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1331.086818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.086818][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.086818][ T10] netlink_unicast+0x449/0x710 [ 1331.086818][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.086818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.086818][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.086818][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.086818][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.086818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.086818][ T10] [ 1331.088831][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1331.088831][ T10] netdev_get_by_index+0x5e/0x80 [ 1331.088831][ T10] fib6_nh_init+0x3d8/0x1580 [ 1331.088831][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1331.088831][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1331.088831][ T10] ipv6_add_addr+0x411/0x2000 [ 1331.088831][ T10] inet6_addr_add+0x30e/0xa40 [ 1331.088831][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1331.088831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.088831][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.088831][ T10] netlink_unicast+0x449/0x710 [ 1331.088831][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.088831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.088831][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.088831][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.088831][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.088831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.088831][ T10] [ 1331.090835][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1331.090835][ T10] netdev_get_by_index+0x5e/0x80 [ 1331.090835][ T10] fib6_nh_init+0x3d8/0x1580 [ 1331.090835][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1331.090835][ T10] ip6_route_add+0x1c/0x140 [ 1331.090835][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1331.090835][ T10] addrconf_add_dev+0xe2/0x170 [ 1331.090835][ T10] inet6_addr_add+0x12f/0xa40 [ 1331.090835][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1331.090835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.090835][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.090835][ T10] netlink_unicast+0x449/0x710 [ 1331.090835][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.090835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.090835][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.090835][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.090835][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.090835][ T10] [ 1331.092808][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1331.092808][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1331.092808][ T10] ipv6_find_idev+0x102/0x170 [ 1331.092808][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1331.092808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.092808][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.092808][ T10] netlink_unicast+0x449/0x710 [ 1331.092808][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.092808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.092808][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.092808][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.092808][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.092808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.092808][ T10] [ 1331.094354][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1331.094354][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1331.094354][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1331.094354][ T10] ipv6_find_idev+0x102/0x170 [ 1331.094354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1331.094354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.094354][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.094354][ T10] netlink_unicast+0x449/0x710 [ 1331.094354][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.094354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.094354][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.094354][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.094354][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.094354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.094354][ T10] [ 1331.096043][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1331.096301][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1331.096301][ T10] netdev_get_by_index+0x5e/0x80 [ 1331.096301][ T10] fib6_nh_init+0x3d8/0x1580 [ 1331.096301][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1331.096301][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1331.096301][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1331.096301][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1331.096301][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1331.096301][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1331.096301][ T10] addrconf_dad_begin+0x310/0x670 [ 1331.096301][ T10] addrconf_dad_work+0x10b/0xab0 [ 1331.096301][ T10] process_one_work+0x84d/0x18a0 [ 1331.096301][ T10] worker_thread+0x587/0xd30 [ 1331.096301][ T10] kthread+0x28a/0x350 [ 1331.096301][ T10] ret_from_fork+0x31/0x70 [ 1331.096301][ T10] ret_from_fork_asm+0x1a/0x30 [ 1331.096301][ T10] [ 1331.098204][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1331.098204][ T10] netdev_get_by_index+0x5e/0x80 [ 1331.098204][ T10] fib6_nh_init+0x3d8/0x1580 [ 1331.098204][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1331.098204][ T10] ip6_route_add+0x1c/0x140 [ 1331.098204][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1331.098204][ T10] inet6_addr_add+0x4f8/0xa40 [ 1331.098204][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1331.098204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.098204][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.098204][ T10] netlink_unicast+0x449/0x710 [ 1331.098204][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.098204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.098204][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.098204][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.098204][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.098204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.098204][ T10] [ 1331.100413][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1331.100413][ T10] netdev_get_by_index+0x5e/0x80 [ 1331.100413][ T10] fib6_nh_init+0x3d8/0x1580 [ 1331.100413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1331.100413][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1331.100413][ T10] ipv6_add_addr+0x411/0x2000 [ 1331.100413][ T10] inet6_addr_add+0x30e/0xa40 [ 1331.100413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1331.100413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.100413][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.100413][ T10] netlink_unicast+0x449/0x710 [ 1331.100413][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.100413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.100413][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.100413][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.100413][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.100413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.100413][ T10] [ 1331.102727][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1331.102727][ T10] netdev_get_by_index+0x5e/0x80 [ 1331.102727][ T10] fib6_nh_init+0x3d8/0x1580 [ 1331.102727][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1331.102727][ T10] ip6_route_add+0x1c/0x140 [ 1331.102727][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1331.102727][ T10] addrconf_add_dev+0xe2/0x170 [ 1331.102727][ T10] inet6_addr_add+0x12f/0xa40 [ 1331.102727][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1331.102727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.102727][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.102727][ T10] netlink_unicast+0x449/0x710 [ 1331.102727][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.102727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.102727][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.102727][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.102727][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.102727][ T10] [ 1331.104952][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1331.104952][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1331.104952][ T10] ipv6_find_idev+0x102/0x170 [ 1331.104952][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1331.104952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.104952][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.104952][ T10] netlink_unicast+0x449/0x710 [ 1331.104952][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.104952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.104952][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.104952][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.104952][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.104952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.104952][ T10] [ 1331.106671][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1331.106671][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1331.106671][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1331.106671][ T10] ipv6_find_idev+0x102/0x170 [ 1331.106671][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1331.106671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.106671][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.106671][ T10] netlink_unicast+0x449/0x710 [ 1331.106671][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.106671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.106671][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.106671][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.106671][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.106671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.106671][ T10] [ 1331.108558][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1331.108803][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1331.108803][ T10] netdev_get_by_index+0x5e/0x80 [ 1331.108803][ T10] fib6_nh_init+0x3d8/0x1580 [ 1331.108803][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1331.108803][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1331.108803][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1331.108803][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1331.108803][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1331.108803][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1331.108803][ T10] addrconf_dad_begin+0x310/0x670 [ 1331.108803][ T10] addrconf_dad_work+0x10b/0xab0 [ 1331.108803][ T10] process_one_work+0x84d/0x18a0 [ 1331.108803][ T10] worker_thread+0x587/0xd30 [ 1331.108803][ T10] kthread+0x28a/0x350 [ 1331.108803][ T10] ret_from_fork+0x31/0x70 [ 1331.108803][ T10] ret_from_fork_asm+0x1a/0x30 [ 1331.108803][ T10] [ 1331.111012][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1331.111012][ T10] netdev_get_by_index+0x5e/0x80 [ 1331.111012][ T10] fib6_nh_init+0x3d8/0x1580 [ 1331.111012][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1331.111012][ T10] ip6_route_add+0x1c/0x140 [ 1331.111012][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1331.111012][ T10] inet6_addr_add+0x4f8/0xa40 [ 1331.111012][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1331.111012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.111012][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.111012][ T10] netlink_unicast+0x449/0x710 [ 1331.111012][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.111012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.111012][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.111012][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.111012][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.111012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.111012][ T10] [ 1331.113265][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1331.113265][ T10] netdev_get_by_index+0x5e/0x80 [ 1331.113265][ T10] fib6_nh_init+0x3d8/0x1580 [ 1331.113265][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1331.113265][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1331.113265][ T10] ipv6_add_addr+0x411/0x2000 [ 1331.113265][ T10] inet6_addr_add+0x30e/0xa40 [ 1331.113265][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1331.113265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.113265][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.113265][ T10] netlink_unicast+0x449/0x710 [ 1331.113265][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.113265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.113265][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.113265][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.113265][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.113265][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.113265][ T10] [ 1331.115529][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1331.115529][ T10] netdev_get_by_index+0x5e/0x80 [ 1331.115529][ T10] fib6_nh_init+0x3d8/0x1580 [ 1331.115529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1331.115529][ T10] ip6_route_add+0x1c/0x140 [ 1331.115529][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1331.115529][ T10] addrconf_add_dev+0xe2/0x170 [ 1331.115529][ T10] inet6_addr_add+0x12f/0xa40 [ 1331.115529][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1331.115529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.115529][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.115529][ T10] netlink_unicast+0x449/0x710 [ 1331.115529][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.115529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.115529][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.115529][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.115529][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.115529][ T10] [ 1331.117660][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1331.117660][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1331.117660][ T10] ipv6_find_idev+0x102/0x170 [ 1331.117660][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1331.117660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.117660][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.117660][ T10] netlink_unicast+0x449/0x710 [ 1331.117660][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.117660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.117660][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.117660][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.117660][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.117660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.117660][ T10] [ 1331.119940][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1331.119940][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1331.119940][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1331.119940][ T10] ipv6_find_idev+0x102/0x170 [ 1331.119940][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1331.119940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.119940][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.119940][ T10] netlink_unicast+0x449/0x710 [ 1331.119940][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.119940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.119940][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.119940][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.119940][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.119940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.119940][ T10] [ 1339.537143][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1339.537622][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1339.537622][ T1167] dst_init+0x84/0x4a0 [ 1339.537622][ T1167] dst_alloc+0x97/0x150 [ 1339.537622][ T1167] ip6_dst_alloc+0x23/0x90 [ 1339.537622][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1339.537622][ T1167] ip6_pol_route+0x56f/0x840 [ 1339.537622][ T1167] fib6_rule_lookup+0x334/0x630 [ 1339.537622][ T1167] ip6_route_output_flags+0x259/0x480 [ 1339.537622][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1339.537622][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1339.537622][ T1167] netlink_rcv_skb+0x130/0x360 [ 1339.537622][ T1167] netlink_unicast+0x449/0x710 [ 1339.537622][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1339.537622][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1339.537622][ T1167] ___sys_sendmsg+0xee/0x170 [ 1339.537622][ T1167] __sys_sendmsg+0xcd/0x170 [ 1339.537622][ T1167] do_syscall_64+0xc6/0x1e0 [ 1339.537622][ T1167] [ 1339.540012][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1339.540012][ T1167] netdev_get_by_index+0x5e/0x80 [ 1339.540012][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1339.540012][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1339.540012][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1339.540012][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1339.540012][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1339.540012][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1339.540012][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1339.540012][ T1167] addrconf_dad_begin+0x310/0x670 [ 1339.540012][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1339.540012][ T1167] process_one_work+0x84d/0x18a0 [ 1339.540012][ T1167] worker_thread+0x587/0xd30 [ 1339.540012][ T1167] kthread+0x28a/0x350 [ 1339.540012][ T1167] ret_from_fork+0x31/0x70 [ 1339.540012][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1339.540012][ T1167] [ 1339.542357][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1339.542357][ T1167] netdev_get_by_index+0x5e/0x80 [ 1339.542357][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1339.542357][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1339.542357][ T1167] ip6_route_add+0x1c/0x140 [ 1339.542357][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1339.542357][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1339.542357][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1339.542357][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.542357][ T1167] netlink_rcv_skb+0x130/0x360 [ 1339.542357][ T1167] netlink_unicast+0x449/0x710 [ 1339.542357][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1339.542357][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1339.542357][ T1167] ___sys_sendmsg+0xee/0x170 [ 1339.542357][ T1167] __sys_sendmsg+0xcd/0x170 [ 1339.542357][ T1167] do_syscall_64+0xc6/0x1e0 [ 1339.542357][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.542357][ T1167] [ 1339.544790][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1339.544790][ T1167] netdev_get_by_index+0x5e/0x80 [ 1339.544790][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1339.544790][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1339.544790][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1339.544790][ T1167] ipv6_add_addr+0x411/0x2000 [ 1339.544790][ T1167] inet6_addr_add+0x30e/0xa40 [ 1339.544790][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1339.544790][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.544790][ T1167] netlink_rcv_skb+0x130/0x360 [ 1339.544790][ T1167] netlink_unicast+0x449/0x710 [ 1339.544790][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1339.544790][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1339.544790][ T1167] ___sys_sendmsg+0xee/0x170 [ 1339.544790][ T1167] __sys_sendmsg+0xcd/0x170 [ 1339.544790][ T1167] do_syscall_64+0xc6/0x1e0 [ 1339.544790][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.544790][ T1167] [ 1339.547193][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1339.547193][ T1167] netdev_get_by_index+0x5e/0x80 [ 1339.547193][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1339.547193][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1339.547193][ T1167] ip6_route_add+0x1c/0x140 [ 1339.547193][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1339.547193][ T1167] addrconf_add_dev+0xe2/0x170 [ 1339.547193][ T1167] inet6_addr_add+0x12f/0xa40 [ 1339.547193][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1339.547193][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.547193][ T1167] netlink_rcv_skb+0x130/0x360 [ 1339.547193][ T1167] netlink_unicast+0x449/0x710 [ 1339.547193][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1339.547193][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1339.547193][ T1167] ___sys_sendmsg+0xee/0x170 [ 1339.547193][ T1167] __sys_sendmsg+0xcd/0x170 [ 1339.547193][ T1167] do_syscall_64+0xc6/0x1e0 [ 1339.547193][ T1167] [ 1339.549503][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1339.549503][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1339.549503][ T1167] ipv6_find_idev+0x102/0x170 [ 1339.549503][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1339.549503][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.549503][ T1167] netlink_rcv_skb+0x130/0x360 [ 1339.549503][ T1167] netlink_unicast+0x449/0x710 [ 1339.549503][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1339.549503][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1339.549503][ T1167] ___sys_sendmsg+0xee/0x170 [ 1339.549503][ T1167] __sys_sendmsg+0xcd/0x170 [ 1339.549503][ T1167] do_syscall_64+0xc6/0x1e0 [ 1339.549503][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.549503][ T1167] [ 1339.551252][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1339.551252][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1339.551252][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1339.551252][ T1167] ipv6_find_idev+0x102/0x170 [ 1339.551252][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1339.551252][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1339.551252][ T1167] netlink_rcv_skb+0x130/0x360 [ 1339.551252][ T1167] netlink_unicast+0x449/0x710 [ 1339.551252][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1339.551252][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1339.551252][ T1167] ___sys_sendmsg+0xee/0x170 [ 1339.551252][ T1167] __sys_sendmsg+0xcd/0x170 [ 1339.551252][ T1167] do_syscall_64+0xc6/0x1e0 [ 1339.551252][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1339.551252][ T1167] [ 1341.361071][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1341.361493][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1341.361493][ T10] netdev_get_by_index+0x5e/0x80 [ 1341.361493][ T10] fib6_nh_init+0x3d8/0x1580 [ 1341.361493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1341.361493][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1341.361493][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1341.361493][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1341.361493][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1341.361493][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1341.361493][ T10] addrconf_dad_begin+0x310/0x670 [ 1341.361493][ T10] addrconf_dad_work+0x10b/0xab0 [ 1341.361493][ T10] process_one_work+0x84d/0x18a0 [ 1341.361493][ T10] worker_thread+0x587/0xd30 [ 1341.361493][ T10] kthread+0x28a/0x350 [ 1341.361493][ T10] ret_from_fork+0x31/0x70 [ 1341.361493][ T10] ret_from_fork_asm+0x1a/0x30 [ 1341.361493][ T10] [ 1341.363436][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1341.363436][ T10] netdev_get_by_index+0x5e/0x80 [ 1341.363436][ T10] fib6_nh_init+0x3d8/0x1580 [ 1341.363436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1341.363436][ T10] ip6_route_add+0x1c/0x140 [ 1341.363436][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1341.363436][ T10] inet6_addr_add+0x4f8/0xa40 [ 1341.363436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1341.363436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1341.363436][ T10] netlink_rcv_skb+0x130/0x360 [ 1341.363436][ T10] netlink_unicast+0x449/0x710 [ 1341.363436][ T10] netlink_sendmsg+0x723/0xbe0 [ 1341.363436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1341.363436][ T10] ___sys_sendmsg+0xee/0x170 [ 1341.363436][ T10] __sys_sendmsg+0xcd/0x170 [ 1341.363436][ T10] do_syscall_64+0xc6/0x1e0 [ 1341.363436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1341.363436][ T10] [ 1341.365439][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1341.365439][ T10] netdev_get_by_index+0x5e/0x80 [ 1341.365439][ T10] fib6_nh_init+0x3d8/0x1580 [ 1341.365439][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1341.365439][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1341.365439][ T10] ipv6_add_addr+0x411/0x2000 [ 1341.365439][ T10] inet6_addr_add+0x30e/0xa40 [ 1341.365439][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1341.365439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1341.365439][ T10] netlink_rcv_skb+0x130/0x360 [ 1341.365439][ T10] netlink_unicast+0x449/0x710 [ 1341.365439][ T10] netlink_sendmsg+0x723/0xbe0 [ 1341.365439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1341.365439][ T10] ___sys_sendmsg+0xee/0x170 [ 1341.365439][ T10] __sys_sendmsg+0xcd/0x170 [ 1341.365439][ T10] do_syscall_64+0xc6/0x1e0 [ 1341.365439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1341.365439][ T10] [ 1341.367453][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1341.367453][ T10] netdev_get_by_index+0x5e/0x80 [ 1341.367453][ T10] fib6_nh_init+0x3d8/0x1580 [ 1341.367453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1341.367453][ T10] ip6_route_add+0x1c/0x140 [ 1341.367453][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1341.367453][ T10] addrconf_add_dev+0xe2/0x170 [ 1341.367453][ T10] inet6_addr_add+0x12f/0xa40 [ 1341.367453][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1341.367453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1341.367453][ T10] netlink_rcv_skb+0x130/0x360 [ 1341.367453][ T10] netlink_unicast+0x449/0x710 [ 1341.367453][ T10] netlink_sendmsg+0x723/0xbe0 [ 1341.367453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1341.367453][ T10] ___sys_sendmsg+0xee/0x170 [ 1341.367453][ T10] __sys_sendmsg+0xcd/0x170 [ 1341.367453][ T10] do_syscall_64+0xc6/0x1e0 [ 1341.367453][ T10] [ 1341.369417][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1341.369417][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1341.369417][ T10] ipv6_find_idev+0x102/0x170 [ 1341.369417][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1341.369417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1341.369417][ T10] netlink_rcv_skb+0x130/0x360 [ 1341.369417][ T10] netlink_unicast+0x449/0x710 [ 1341.369417][ T10] netlink_sendmsg+0x723/0xbe0 [ 1341.369417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1341.369417][ T10] ___sys_sendmsg+0xee/0x170 [ 1341.369417][ T10] __sys_sendmsg+0xcd/0x170 [ 1341.369417][ T10] do_syscall_64+0xc6/0x1e0 [ 1341.369417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1341.369417][ T10] [ 1341.370966][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1341.370966][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1341.370966][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1341.370966][ T10] ipv6_find_idev+0x102/0x170 [ 1341.370966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1341.370966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1341.370966][ T10] netlink_rcv_skb+0x130/0x360 [ 1341.370966][ T10] netlink_unicast+0x449/0x710 [ 1341.370966][ T10] netlink_sendmsg+0x723/0xbe0 [ 1341.370966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1341.370966][ T10] ___sys_sendmsg+0xee/0x170 [ 1341.370966][ T10] __sys_sendmsg+0xcd/0x170 [ 1341.370966][ T10] do_syscall_64+0xc6/0x1e0 [ 1341.370966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1341.370966][ T10] [ 1341.372667][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1341.372910][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1341.372910][ T10] netdev_get_by_index+0x5e/0x80 [ 1341.372910][ T10] fib6_nh_init+0x3d8/0x1580 [ 1341.372910][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1341.372910][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1341.372910][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1341.372910][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1341.372910][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1341.372910][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1341.372910][ T10] addrconf_dad_begin+0x310/0x670 [ 1341.372910][ T10] addrconf_dad_work+0x10b/0xab0 [ 1341.372910][ T10] process_one_work+0x84d/0x18a0 [ 1341.372910][ T10] worker_thread+0x587/0xd30 [ 1341.372910][ T10] kthread+0x28a/0x350 [ 1341.372910][ T10] ret_from_fork+0x31/0x70 [ 1341.372910][ T10] ret_from_fork_asm+0x1a/0x30 [ 1341.372910][ T10] [ 1341.374826][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1341.374826][ T10] netdev_get_by_index+0x5e/0x80 [ 1341.374826][ T10] fib6_nh_init+0x3d8/0x1580 [ 1341.374826][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1341.374826][ T10] ip6_route_add+0x1c/0x140 [ 1341.374826][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1341.374826][ T10] inet6_addr_add+0x4f8/0xa40 [ 1341.374826][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1341.374826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1341.374826][ T10] netlink_rcv_skb+0x130/0x360 [ 1341.374826][ T10] netlink_unicast+0x449/0x710 [ 1341.374826][ T10] netlink_sendmsg+0x723/0xbe0 [ 1341.374826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1341.374826][ T10] ___sys_sendmsg+0xee/0x170 [ 1341.374826][ T10] __sys_sendmsg+0xcd/0x170 [ 1341.374826][ T10] do_syscall_64+0xc6/0x1e0 [ 1341.374826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1341.374826][ T10] [ 1341.376817][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1341.376817][ T10] netdev_get_by_index+0x5e/0x80 [ 1341.376817][ T10] fib6_nh_init+0x3d8/0x1580 [ 1341.376817][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1341.376817][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1341.376817][ T10] ipv6_add_addr+0x411/0x2000 [ 1341.376817][ T10] inet6_addr_add+0x30e/0xa40 [ 1341.376817][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1341.376817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1341.376817][ T10] netlink_rcv_skb+0x130/0x360 [ 1341.376817][ T10] netlink_unicast+0x449/0x710 [ 1341.376817][ T10] netlink_sendmsg+0x723/0xbe0 [ 1341.376817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1341.376817][ T10] ___sys_sendmsg+0xee/0x170 [ 1341.376817][ T10] __sys_sendmsg+0xcd/0x170 [ 1341.376817][ T10] do_syscall_64+0xc6/0x1e0 [ 1341.376817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1341.376817][ T10] [ 1341.378806][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1341.378806][ T10] netdev_get_by_index+0x5e/0x80 [ 1341.378806][ T10] fib6_nh_init+0x3d8/0x1580 [ 1341.378806][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1341.378806][ T10] ip6_route_add+0x1c/0x140 [ 1341.378806][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1341.378806][ T10] addrconf_add_dev+0xe2/0x170 [ 1341.378806][ T10] inet6_addr_add+0x12f/0xa40 [ 1341.378806][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1341.378806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1341.378806][ T10] netlink_rcv_skb+0x130/0x360 [ 1341.378806][ T10] netlink_unicast+0x449/0x710 [ 1341.378806][ T10] netlink_sendmsg+0x723/0xbe0 [ 1341.378806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1341.378806][ T10] ___sys_sendmsg+0xee/0x170 [ 1341.378806][ T10] __sys_sendmsg+0xcd/0x170 [ 1341.378806][ T10] do_syscall_64+0xc6/0x1e0 [ 1341.378806][ T10] [ 1341.380764][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1341.380764][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1341.380764][ T10] ipv6_find_idev+0x102/0x170 [ 1341.380764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1341.380764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1341.380764][ T10] netlink_rcv_skb+0x130/0x360 [ 1341.380764][ T10] netlink_unicast+0x449/0x710 [ 1341.380764][ T10] netlink_sendmsg+0x723/0xbe0 [ 1341.380764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1341.380764][ T10] ___sys_sendmsg+0xee/0x170 [ 1341.380764][ T10] __sys_sendmsg+0xcd/0x170 [ 1341.380764][ T10] do_syscall_64+0xc6/0x1e0 [ 1341.380764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1341.380764][ T10] [ 1341.382305][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1341.382305][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1341.382305][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1341.382305][ T10] ipv6_find_idev+0x102/0x170 [ 1341.382305][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1341.382305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1341.382305][ T10] netlink_rcv_skb+0x130/0x360 [ 1341.382305][ T10] netlink_unicast+0x449/0x710 [ 1341.382305][ T10] netlink_sendmsg+0x723/0xbe0 [ 1341.382305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1341.382305][ T10] ___sys_sendmsg+0xee/0x170 [ 1341.382305][ T10] __sys_sendmsg+0xcd/0x170 [ 1341.382305][ T10] do_syscall_64+0xc6/0x1e0 [ 1341.382305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1341.382305][ T10] [ 1341.384011][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1341.384250][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1341.384250][ T10] netdev_get_by_index+0x5e/0x80 [ 1341.384250][ T10] fib6_nh_init+0x3d8/0x1580 [ 1341.384250][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1341.384250][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1341.384250][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1341.384250][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1341.384250][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1341.384250][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1341.384250][ T10] addrconf_dad_begin+0x310/0x670 [ 1341.384250][ T10] addrconf_dad_work+0x10b/0xab0 [ 1341.384250][ T10] process_one_work+0x84d/0x18a0 [ 1341.384250][ T10] worker_thread+0x587/0xd30 [ 1341.384250][ T10] kthread+0x28a/0x350 [ 1341.384250][ T10] ret_from_fork+0x31/0x70 [ 1341.384250][ T10] ret_from_fork_asm+0x1a/0x30 [ 1341.384250][ T10] [ 1341.386151][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1341.386151][ T10] netdev_get_by_index+0x5e/0x80 [ 1341.386151][ T10] fib6_nh_init+0x3d8/0x1580 [ 1341.386151][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1341.386151][ T10] ip6_route_add+0x1c/0x140 [ 1341.386151][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1341.386151][ T10] inet6_addr_add+0x4f8/0xa40 [ 1341.386151][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1341.386151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1341.386151][ T10] netlink_rcv_skb+0x130/0x360 [ 1341.386151][ T10] netlink_unicast+0x449/0x710 [ 1341.386151][ T10] netlink_sendmsg+0x723/0xbe0 [ 1341.386151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1341.386151][ T10] ___sys_sendmsg+0xee/0x170 [ 1341.386151][ T10] __sys_sendmsg+0xcd/0x170 [ 1341.386151][ T10] do_syscall_64+0xc6/0x1e0 [ 1341.386151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1341.386151][ T10] [ 1341.388345][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1341.388345][ T10] netdev_get_by_index+0x5e/0x80 [ 1341.388345][ T10] fib6_nh_init+0x3d8/0x1580 [ 1341.388345][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1341.388345][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1341.388345][ T10] ipv6_add_addr+0x411/0x2000 [ 1341.388345][ T10] inet6_addr_add+0x30e/0xa40 [ 1341.388345][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1341.388345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1341.388345][ T10] netlink_rcv_skb+0x130/0x360 [ 1341.388345][ T10] netlink_unicast+0x449/0x710 [ 1341.388345][ T10] netlink_sendmsg+0x723/0xbe0 [ 1341.388345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1341.388345][ T10] ___sys_sendmsg+0xee/0x170 [ 1341.388345][ T10] __sys_sendmsg+0xcd/0x170 [ 1341.388345][ T10] do_syscall_64+0xc6/0x1e0 [ 1341.388345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1341.388345][ T10] [ 1341.390578][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1341.390578][ T10] netdev_get_by_index+0x5e/0x80 [ 1341.390578][ T10] fib6_nh_init+0x3d8/0x1580 [ 1341.390578][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1341.390578][ T10] ip6_route_add+0x1c/0x140 [ 1341.390578][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1341.390578][ T10] addrconf_add_dev+0xe2/0x170 [ 1341.390578][ T10] inet6_addr_add+0x12f/0xa40 [ 1341.390578][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1341.390578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1341.390578][ T10] netlink_rcv_skb+0x130/0x360 [ 1341.390578][ T10] netlink_unicast+0x449/0x710 [ 1341.390578][ T10] netlink_sendmsg+0x723/0xbe0 [ 1341.390578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1341.390578][ T10] ___sys_sendmsg+0xee/0x170 [ 1341.390578][ T10] __sys_sendmsg+0xcd/0x170 [ 1341.390578][ T10] do_syscall_64+0xc6/0x1e0 [ 1341.390578][ T10] [ 1341.392802][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1341.392802][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1341.392802][ T10] ipv6_find_idev+0x102/0x170 [ 1341.392802][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1341.392802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1341.392802][ T10] netlink_rcv_skb+0x130/0x360 [ 1341.392802][ T10] netlink_unicast+0x449/0x710 [ 1341.392802][ T10] netlink_sendmsg+0x723/0xbe0 [ 1341.392802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1341.392802][ T10] ___sys_sendmsg+0xee/0x170 [ 1341.392802][ T10] __sys_sendmsg+0xcd/0x170 [ 1341.392802][ T10] do_syscall_64+0xc6/0x1e0 [ 1341.392802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1341.392802][ T10] [ 1341.394529][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1341.394529][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1341.394529][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1341.394529][ T10] ipv6_find_idev+0x102/0x170 [ 1341.394529][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1341.394529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1341.394529][ T10] netlink_rcv_skb+0x130/0x360 [ 1341.394529][ T10] netlink_unicast+0x449/0x710 [ 1341.394529][ T10] netlink_sendmsg+0x723/0xbe0 [ 1341.394529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1341.394529][ T10] ___sys_sendmsg+0xee/0x170 [ 1341.394529][ T10] __sys_sendmsg+0xcd/0x170 [ 1341.394529][ T10] do_syscall_64+0xc6/0x1e0 [ 1341.394529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1341.394529][ T10] [ 1341.396394][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1341.396648][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1341.396648][ T10] netdev_get_by_index+0x5e/0x80 [ 1341.396648][ T10] fib6_nh_init+0x3d8/0x1580 [ 1341.396648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1341.396648][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1341.396648][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1341.396648][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1341.396648][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1341.396648][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1341.396648][ T10] addrconf_dad_begin+0x310/0x670 [ 1341.396648][ T10] addrconf_dad_work+0x10b/0xab0 [ 1341.396648][ T10] process_one_work+0x84d/0x18a0 [ 1341.396648][ T10] worker_thread+0x587/0xd30 [ 1341.396648][ T10] kthread+0x28a/0x350 [ 1341.396648][ T10] ret_from_fork+0x31/0x70 [ 1341.396648][ T10] ret_from_fork_asm+0x1a/0x30 [ 1341.396648][ T10] [ 1341.398867][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1341.398867][ T10] netdev_get_by_index+0x5e/0x80 [ 1341.398867][ T10] fib6_nh_init+0x3d8/0x1580 [ 1341.398867][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1341.398867][ T10] ip6_route_add+0x1c/0x140 [ 1341.398867][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1341.398867][ T10] inet6_addr_add+0x4f8/0xa40 [ 1341.398867][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1341.398867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1341.398867][ T10] netlink_rcv_skb+0x130/0x360 [ 1341.398867][ T10] netlink_unicast+0x449/0x710 [ 1341.398867][ T10] netlink_sendmsg+0x723/0xbe0 [ 1341.398867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1341.398867][ T10] ___sys_sendmsg+0xee/0x170 [ 1341.398867][ T10] __sys_sendmsg+0xcd/0x170 [ 1341.398867][ T10] do_syscall_64+0xc6/0x1e0 [ 1341.398867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1341.398867][ T10] [ 1341.401299][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1341.401299][ T10] netdev_get_by_index+0x5e/0x80 [ 1341.401299][ T10] fib6_nh_init+0x3d8/0x1580 [ 1341.401299][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1341.401299][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1341.401299][ T10] ipv6_add_addr+0x411/0x2000 [ 1341.401299][ T10] inet6_addr_add+0x30e/0xa40 [ 1341.401299][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1341.401299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1341.401299][ T10] netlink_rcv_skb+0x130/0x360 [ 1341.401299][ T10] netlink_unicast+0x449/0x710 [ 1341.401299][ T10] netlink_sendmsg+0x723/0xbe0 [ 1341.401299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1341.401299][ T10] ___sys_sendmsg+0xee/0x170 [ 1341.401299][ T10] __sys_sendmsg+0xcd/0x170 [ 1341.401299][ T10] do_syscall_64+0xc6/0x1e0 [ 1341.401299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1341.401299][ T10] [ 1341.403722][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1341.403722][ T10] netdev_get_by_index+0x5e/0x80 [ 1341.403722][ T10] fib6_nh_init+0x3d8/0x1580 [ 1341.403722][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1341.403722][ T10] ip6_route_add+0x1c/0x140 [ 1341.403722][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1341.403722][ T10] addrconf_add_dev+0xe2/0x170 [ 1341.403722][ T10] inet6_addr_add+0x12f/0xa40 [ 1341.403722][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1341.403722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1341.403722][ T10] netlink_rcv_skb+0x130/0x360 [ 1341.403722][ T10] netlink_unicast+0x449/0x710 [ 1341.403722][ T10] netlink_sendmsg+0x723/0xbe0 [ 1341.403722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1341.403722][ T10] ___sys_sendmsg+0xee/0x170 [ 1341.403722][ T10] __sys_sendmsg+0xcd/0x170 [ 1341.403722][ T10] do_syscall_64+0xc6/0x1e0 [ 1341.403722][ T10] [ 1341.406102][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1341.406102][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1341.406102][ T10] ipv6_find_idev+0x102/0x170 [ 1341.406102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1341.406102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1341.406102][ T10] netlink_rcv_skb+0x130/0x360 [ 1341.406102][ T10] netlink_unicast+0x449/0x710 [ 1341.406102][ T10] netlink_sendmsg+0x723/0xbe0 [ 1341.406102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1341.406102][ T10] ___sys_sendmsg+0xee/0x170 [ 1341.406102][ T10] __sys_sendmsg+0xcd/0x170 [ 1341.406102][ T10] do_syscall_64+0xc6/0x1e0 [ 1341.406102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1341.406102][ T10] [ 1341.407961][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1341.407961][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1341.407961][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1341.407961][ T10] ipv6_find_idev+0x102/0x170 [ 1341.407961][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1341.407961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1341.407961][ T10] netlink_rcv_skb+0x130/0x360 [ 1341.407961][ T10] netlink_unicast+0x449/0x710 [ 1341.407961][ T10] netlink_sendmsg+0x723/0xbe0 [ 1341.407961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1341.407961][ T10] ___sys_sendmsg+0xee/0x170 [ 1341.407961][ T10] __sys_sendmsg+0xcd/0x170 [ 1341.407961][ T10] do_syscall_64+0xc6/0x1e0 [ 1341.407961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1341.407961][ T10] [ 1349.793110][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1349.793751][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1349.793751][ T1167] dst_init+0x84/0x4a0 [ 1349.793751][ T1167] dst_alloc+0x97/0x150 [ 1349.793751][ T1167] ip6_dst_alloc+0x23/0x90 [ 1349.793751][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1349.793751][ T1167] ip6_pol_route+0x56f/0x840 [ 1349.793751][ T1167] fib6_rule_lookup+0x334/0x630 [ 1349.793751][ T1167] ip6_route_output_flags+0x259/0x480 [ 1349.793751][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1349.793751][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1349.793751][ T1167] netlink_rcv_skb+0x130/0x360 [ 1349.793751][ T1167] netlink_unicast+0x449/0x710 [ 1349.793751][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1349.793751][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1349.793751][ T1167] ___sys_sendmsg+0xee/0x170 [ 1349.793751][ T1167] __sys_sendmsg+0xcd/0x170 [ 1349.793751][ T1167] do_syscall_64+0xc6/0x1e0 [ 1349.793751][ T1167] [ 1349.797341][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1349.797341][ T1167] netdev_get_by_index+0x5e/0x80 [ 1349.797341][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1349.797341][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1349.797341][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1349.797341][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1349.797341][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1349.797341][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1349.797341][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1349.797341][ T1167] addrconf_dad_begin+0x310/0x670 [ 1349.797341][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1349.797341][ T1167] process_one_work+0x84d/0x18a0 [ 1349.797341][ T1167] worker_thread+0x587/0xd30 [ 1349.797341][ T1167] kthread+0x28a/0x350 [ 1349.797341][ T1167] ret_from_fork+0x31/0x70 [ 1349.797341][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1349.797341][ T1167] [ 1349.800798][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1349.800798][ T1167] netdev_get_by_index+0x5e/0x80 [ 1349.800798][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1349.800798][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1349.800798][ T1167] ip6_route_add+0x1c/0x140 [ 1349.800798][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1349.800798][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1349.800798][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1349.800798][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.800798][ T1167] netlink_rcv_skb+0x130/0x360 [ 1349.800798][ T1167] netlink_unicast+0x449/0x710 [ 1349.800798][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1349.800798][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1349.800798][ T1167] ___sys_sendmsg+0xee/0x170 [ 1349.800798][ T1167] __sys_sendmsg+0xcd/0x170 [ 1349.800798][ T1167] do_syscall_64+0xc6/0x1e0 [ 1349.800798][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.800798][ T1167] [ 1349.804467][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1349.804467][ T1167] netdev_get_by_index+0x5e/0x80 [ 1349.804467][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1349.804467][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1349.804467][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1349.804467][ T1167] ipv6_add_addr+0x411/0x2000 [ 1349.804467][ T1167] inet6_addr_add+0x30e/0xa40 [ 1349.804467][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1349.804467][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.804467][ T1167] netlink_rcv_skb+0x130/0x360 [ 1349.804467][ T1167] netlink_unicast+0x449/0x710 [ 1349.804467][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1349.804467][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1349.804467][ T1167] ___sys_sendmsg+0xee/0x170 [ 1349.804467][ T1167] __sys_sendmsg+0xcd/0x170 [ 1349.804467][ T1167] do_syscall_64+0xc6/0x1e0 [ 1349.804467][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.804467][ T1167] [ 1349.807967][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1349.807967][ T1167] netdev_get_by_index+0x5e/0x80 [ 1349.807967][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1349.807967][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1349.807967][ T1167] ip6_route_add+0x1c/0x140 [ 1349.807967][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1349.807967][ T1167] addrconf_add_dev+0xe2/0x170 [ 1349.807967][ T1167] inet6_addr_add+0x12f/0xa40 [ 1349.807967][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1349.807967][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.807967][ T1167] netlink_rcv_skb+0x130/0x360 [ 1349.807967][ T1167] netlink_unicast+0x449/0x710 [ 1349.807967][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1349.807967][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1349.807967][ T1167] ___sys_sendmsg+0xee/0x170 [ 1349.807967][ T1167] __sys_sendmsg+0xcd/0x170 [ 1349.807967][ T1167] do_syscall_64+0xc6/0x1e0 [ 1349.807967][ T1167] [ 1349.811304][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1349.811304][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1349.811304][ T1167] ipv6_find_idev+0x102/0x170 [ 1349.811304][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1349.811304][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.811304][ T1167] netlink_rcv_skb+0x130/0x360 [ 1349.811304][ T1167] netlink_unicast+0x449/0x710 [ 1349.811304][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1349.811304][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1349.811304][ T1167] ___sys_sendmsg+0xee/0x170 [ 1349.811304][ T1167] __sys_sendmsg+0xcd/0x170 [ 1349.811304][ T1167] do_syscall_64+0xc6/0x1e0 [ 1349.811304][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.811304][ T1167] [ 1349.814091][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1349.814091][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1349.814091][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1349.814091][ T1167] ipv6_find_idev+0x102/0x170 [ 1349.814091][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1349.814091][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1349.814091][ T1167] netlink_rcv_skb+0x130/0x360 [ 1349.814091][ T1167] netlink_unicast+0x449/0x710 [ 1349.814091][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1349.814091][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1349.814091][ T1167] ___sys_sendmsg+0xee/0x170 [ 1349.814091][ T1167] __sys_sendmsg+0xcd/0x170 [ 1349.814091][ T1167] do_syscall_64+0xc6/0x1e0 [ 1349.814091][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1349.814091][ T1167] [ 1351.649115][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1351.649479][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1351.649479][ T10] netdev_get_by_index+0x5e/0x80 [ 1351.649479][ T10] fib6_nh_init+0x3d8/0x1580 [ 1351.649479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1351.649479][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1351.649479][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1351.649479][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1351.649479][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1351.649479][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1351.649479][ T10] addrconf_dad_begin+0x310/0x670 [ 1351.649479][ T10] addrconf_dad_work+0x10b/0xab0 [ 1351.649479][ T10] process_one_work+0x84d/0x18a0 [ 1351.649479][ T10] worker_thread+0x587/0xd30 [ 1351.649479][ T10] kthread+0x28a/0x350 [ 1351.649479][ T10] ret_from_fork+0x31/0x70 [ 1351.649479][ T10] ret_from_fork_asm+0x1a/0x30 [ 1351.649479][ T10] [ 1351.651402][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1351.651402][ T10] netdev_get_by_index+0x5e/0x80 [ 1351.651402][ T10] fib6_nh_init+0x3d8/0x1580 [ 1351.651402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1351.651402][ T10] ip6_route_add+0x1c/0x140 [ 1351.651402][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1351.651402][ T10] inet6_addr_add+0x4f8/0xa40 [ 1351.651402][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1351.651402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1351.651402][ T10] netlink_rcv_skb+0x130/0x360 [ 1351.651402][ T10] netlink_unicast+0x449/0x710 [ 1351.651402][ T10] netlink_sendmsg+0x723/0xbe0 [ 1351.651402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1351.651402][ T10] ___sys_sendmsg+0xee/0x170 [ 1351.651402][ T10] __sys_sendmsg+0xcd/0x170 [ 1351.651402][ T10] do_syscall_64+0xc6/0x1e0 [ 1351.651402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1351.651402][ T10] [ 1351.653408][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1351.653408][ T10] netdev_get_by_index+0x5e/0x80 [ 1351.653408][ T10] fib6_nh_init+0x3d8/0x1580 [ 1351.653408][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1351.653408][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1351.653408][ T10] ipv6_add_addr+0x411/0x2000 [ 1351.653408][ T10] inet6_addr_add+0x30e/0xa40 [ 1351.653408][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1351.653408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1351.653408][ T10] netlink_rcv_skb+0x130/0x360 [ 1351.653408][ T10] netlink_unicast+0x449/0x710 [ 1351.653408][ T10] netlink_sendmsg+0x723/0xbe0 [ 1351.653408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1351.653408][ T10] ___sys_sendmsg+0xee/0x170 [ 1351.653408][ T10] __sys_sendmsg+0xcd/0x170 [ 1351.653408][ T10] do_syscall_64+0xc6/0x1e0 [ 1351.653408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1351.653408][ T10] [ 1351.655404][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1351.655404][ T10] netdev_get_by_index+0x5e/0x80 [ 1351.655404][ T10] fib6_nh_init+0x3d8/0x1580 [ 1351.655404][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1351.655404][ T10] ip6_route_add+0x1c/0x140 [ 1351.655404][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1351.655404][ T10] addrconf_add_dev+0xe2/0x170 [ 1351.655404][ T10] inet6_addr_add+0x12f/0xa40 [ 1351.655404][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1351.655404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1351.655404][ T10] netlink_rcv_skb+0x130/0x360 [ 1351.655404][ T10] netlink_unicast+0x449/0x710 [ 1351.655404][ T10] netlink_sendmsg+0x723/0xbe0 [ 1351.655404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1351.655404][ T10] ___sys_sendmsg+0xee/0x170 [ 1351.655404][ T10] __sys_sendmsg+0xcd/0x170 [ 1351.655404][ T10] do_syscall_64+0xc6/0x1e0 [ 1351.655404][ T10] [ 1351.657357][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1351.657357][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1351.657357][ T10] ipv6_find_idev+0x102/0x170 [ 1351.657357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1351.657357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1351.657357][ T10] netlink_rcv_skb+0x130/0x360 [ 1351.657357][ T10] netlink_unicast+0x449/0x710 [ 1351.657357][ T10] netlink_sendmsg+0x723/0xbe0 [ 1351.657357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1351.657357][ T10] ___sys_sendmsg+0xee/0x170 [ 1351.657357][ T10] __sys_sendmsg+0xcd/0x170 [ 1351.657357][ T10] do_syscall_64+0xc6/0x1e0 [ 1351.657357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1351.657357][ T10] [ 1351.658884][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1351.658884][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1351.658884][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1351.658884][ T10] ipv6_find_idev+0x102/0x170 [ 1351.658884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1351.658884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1351.658884][ T10] netlink_rcv_skb+0x130/0x360 [ 1351.658884][ T10] netlink_unicast+0x449/0x710 [ 1351.658884][ T10] netlink_sendmsg+0x723/0xbe0 [ 1351.658884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1351.658884][ T10] ___sys_sendmsg+0xee/0x170 [ 1351.658884][ T10] __sys_sendmsg+0xcd/0x170 [ 1351.658884][ T10] do_syscall_64+0xc6/0x1e0 [ 1351.658884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1351.658884][ T10] [ 1351.660560][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1351.660799][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1351.660799][ T10] netdev_get_by_index+0x5e/0x80 [ 1351.660799][ T10] fib6_nh_init+0x3d8/0x1580 [ 1351.660799][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1351.660799][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1351.660799][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1351.660799][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1351.660799][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1351.660799][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1351.660799][ T10] addrconf_dad_begin+0x310/0x670 [ 1351.660799][ T10] addrconf_dad_work+0x10b/0xab0 [ 1351.660799][ T10] process_one_work+0x84d/0x18a0 [ 1351.660799][ T10] worker_thread+0x587/0xd30 [ 1351.660799][ T10] kthread+0x28a/0x350 [ 1351.660799][ T10] ret_from_fork+0x31/0x70 [ 1351.660799][ T10] ret_from_fork_asm+0x1a/0x30 [ 1351.660799][ T10] [ 1351.662713][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1351.662713][ T10] netdev_get_by_index+0x5e/0x80 [ 1351.662713][ T10] fib6_nh_init+0x3d8/0x1580 [ 1351.662713][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1351.662713][ T10] ip6_route_add+0x1c/0x140 [ 1351.662713][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1351.662713][ T10] inet6_addr_add+0x4f8/0xa40 [ 1351.662713][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1351.662713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1351.662713][ T10] netlink_rcv_skb+0x130/0x360 [ 1351.662713][ T10] netlink_unicast+0x449/0x710 [ 1351.662713][ T10] netlink_sendmsg+0x723/0xbe0 [ 1351.662713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1351.662713][ T10] ___sys_sendmsg+0xee/0x170 [ 1351.662713][ T10] __sys_sendmsg+0xcd/0x170 [ 1351.662713][ T10] do_syscall_64+0xc6/0x1e0 [ 1351.662713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1351.662713][ T10] [ 1351.664697][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1351.664697][ T10] netdev_get_by_index+0x5e/0x80 [ 1351.664697][ T10] fib6_nh_init+0x3d8/0x1580 [ 1351.664697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1351.664697][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1351.664697][ T10] ipv6_add_addr+0x411/0x2000 [ 1351.664697][ T10] inet6_addr_add+0x30e/0xa40 [ 1351.664697][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1351.664697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1351.664697][ T10] netlink_rcv_skb+0x130/0x360 [ 1351.664697][ T10] netlink_unicast+0x449/0x710 [ 1351.664697][ T10] netlink_sendmsg+0x723/0xbe0 [ 1351.664697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1351.664697][ T10] ___sys_sendmsg+0xee/0x170 [ 1351.664697][ T10] __sys_sendmsg+0xcd/0x170 [ 1351.664697][ T10] do_syscall_64+0xc6/0x1e0 [ 1351.664697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1351.664697][ T10] [ 1351.666678][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1351.666678][ T10] netdev_get_by_index+0x5e/0x80 [ 1351.666678][ T10] fib6_nh_init+0x3d8/0x1580 [ 1351.666678][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1351.666678][ T10] ip6_route_add+0x1c/0x140 [ 1351.666678][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1351.666678][ T10] addrconf_add_dev+0xe2/0x170 [ 1351.666678][ T10] inet6_addr_add+0x12f/0xa40 [ 1351.666678][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1351.666678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1351.666678][ T10] netlink_rcv_skb+0x130/0x360 [ 1351.666678][ T10] netlink_unicast+0x449/0x710 [ 1351.666678][ T10] netlink_sendmsg+0x723/0xbe0 [ 1351.666678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1351.666678][ T10] ___sys_sendmsg+0xee/0x170 [ 1351.666678][ T10] __sys_sendmsg+0xcd/0x170 [ 1351.666678][ T10] do_syscall_64+0xc6/0x1e0 [ 1351.666678][ T10] [ 1351.668626][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1351.668626][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1351.668626][ T10] ipv6_find_idev+0x102/0x170 [ 1351.668626][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1351.668626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1351.668626][ T10] netlink_rcv_skb+0x130/0x360 [ 1351.668626][ T10] netlink_unicast+0x449/0x710 [ 1351.668626][ T10] netlink_sendmsg+0x723/0xbe0 [ 1351.668626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1351.668626][ T10] ___sys_sendmsg+0xee/0x170 [ 1351.668626][ T10] __sys_sendmsg+0xcd/0x170 [ 1351.668626][ T10] do_syscall_64+0xc6/0x1e0 [ 1351.668626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1351.668626][ T10] [ 1351.670155][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1351.670155][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1351.670155][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1351.670155][ T10] ipv6_find_idev+0x102/0x170 [ 1351.670155][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1351.670155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1351.670155][ T10] netlink_rcv_skb+0x130/0x360 [ 1351.670155][ T10] netlink_unicast+0x449/0x710 [ 1351.670155][ T10] netlink_sendmsg+0x723/0xbe0 [ 1351.670155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1351.670155][ T10] ___sys_sendmsg+0xee/0x170 [ 1351.670155][ T10] __sys_sendmsg+0xcd/0x170 [ 1351.670155][ T10] do_syscall_64+0xc6/0x1e0 [ 1351.670155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1351.670155][ T10] [ 1351.671829][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1351.672090][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1351.672090][ T10] netdev_get_by_index+0x5e/0x80 [ 1351.672090][ T10] fib6_nh_init+0x3d8/0x1580 [ 1351.672090][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1351.672090][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1351.672090][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1351.672090][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1351.672090][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1351.672090][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1351.672090][ T10] addrconf_dad_begin+0x310/0x670 [ 1351.672090][ T10] addrconf_dad_work+0x10b/0xab0 [ 1351.672090][ T10] process_one_work+0x84d/0x18a0 [ 1351.672090][ T10] worker_thread+0x587/0xd30 [ 1351.672090][ T10] kthread+0x28a/0x350 [ 1351.672090][ T10] ret_from_fork+0x31/0x70 [ 1351.672090][ T10] ret_from_fork_asm+0x1a/0x30 [ 1351.672090][ T10] [ 1351.673985][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1351.673985][ T10] netdev_get_by_index+0x5e/0x80 [ 1351.673985][ T10] fib6_nh_init+0x3d8/0x1580 [ 1351.673985][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1351.673985][ T10] ip6_route_add+0x1c/0x140 [ 1351.673985][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1351.673985][ T10] inet6_addr_add+0x4f8/0xa40 [ 1351.673985][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1351.673985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1351.673985][ T10] netlink_rcv_skb+0x130/0x360 [ 1351.673985][ T10] netlink_unicast+0x449/0x710 [ 1351.673985][ T10] netlink_sendmsg+0x723/0xbe0 [ 1351.673985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1351.673985][ T10] ___sys_sendmsg+0xee/0x170 [ 1351.673985][ T10] __sys_sendmsg+0xcd/0x170 [ 1351.673985][ T10] do_syscall_64+0xc6/0x1e0 [ 1351.673985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1351.673985][ T10] [ 1351.676159][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1351.676159][ T10] netdev_get_by_index+0x5e/0x80 [ 1351.676159][ T10] fib6_nh_init+0x3d8/0x1580 [ 1351.676159][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1351.676159][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1351.676159][ T10] ipv6_add_addr+0x411/0x2000 [ 1351.676159][ T10] inet6_addr_add+0x30e/0xa40 [ 1351.676159][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1351.676159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1351.676159][ T10] netlink_rcv_skb+0x130/0x360 [ 1351.676159][ T10] netlink_unicast+0x449/0x710 [ 1351.676159][ T10] netlink_sendmsg+0x723/0xbe0 [ 1351.676159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1351.676159][ T10] ___sys_sendmsg+0xee/0x170 [ 1351.676159][ T10] __sys_sendmsg+0xcd/0x170 [ 1351.676159][ T10] do_syscall_64+0xc6/0x1e0 [ 1351.676159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1351.676159][ T10] [ 1351.678385][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1351.678385][ T10] netdev_get_by_index+0x5e/0x80 [ 1351.678385][ T10] fib6_nh_init+0x3d8/0x1580 [ 1351.678385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1351.678385][ T10] ip6_route_add+0x1c/0x140 [ 1351.678385][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1351.678385][ T10] addrconf_add_dev+0xe2/0x170 [ 1351.678385][ T10] inet6_addr_add+0x12f/0xa40 [ 1351.678385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1351.678385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1351.678385][ T10] netlink_rcv_skb+0x130/0x360 [ 1351.678385][ T10] netlink_unicast+0x449/0x710 [ 1351.678385][ T10] netlink_sendmsg+0x723/0xbe0 [ 1351.678385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1351.678385][ T10] ___sys_sendmsg+0xee/0x170 [ 1351.678385][ T10] __sys_sendmsg+0xcd/0x170 [ 1351.678385][ T10] do_syscall_64+0xc6/0x1e0 [ 1351.678385][ T10] [ 1351.680582][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1351.680582][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1351.680582][ T10] ipv6_find_idev+0x102/0x170 [ 1351.680582][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1351.680582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1351.680582][ T10] netlink_rcv_skb+0x130/0x360 [ 1351.680582][ T10] netlink_unicast+0x449/0x710 [ 1351.680582][ T10] netlink_sendmsg+0x723/0xbe0 [ 1351.680582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1351.680582][ T10] ___sys_sendmsg+0xee/0x170 [ 1351.680582][ T10] __sys_sendmsg+0xcd/0x170 [ 1351.680582][ T10] do_syscall_64+0xc6/0x1e0 [ 1351.680582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1351.680582][ T10] [ 1351.682376][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1351.682376][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1351.682376][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1351.682376][ T10] ipv6_find_idev+0x102/0x170 [ 1351.682376][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1351.682376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1351.682376][ T10] netlink_rcv_skb+0x130/0x360 [ 1351.682376][ T10] netlink_unicast+0x449/0x710 [ 1351.682376][ T10] netlink_sendmsg+0x723/0xbe0 [ 1351.682376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1351.682376][ T10] ___sys_sendmsg+0xee/0x170 [ 1351.682376][ T10] __sys_sendmsg+0xcd/0x170 [ 1351.682376][ T10] do_syscall_64+0xc6/0x1e0 [ 1351.682376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1351.682376][ T10] [ 1351.684236][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1351.684474][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1351.684474][ T10] netdev_get_by_index+0x5e/0x80 [ 1351.684474][ T10] fib6_nh_init+0x3d8/0x1580 [ 1351.684474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1351.684474][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1351.684474][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1351.684474][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1351.684474][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1351.684474][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1351.684474][ T10] addrconf_dad_begin+0x310/0x670 [ 1351.684474][ T10] addrconf_dad_work+0x10b/0xab0 [ 1351.684474][ T10] process_one_work+0x84d/0x18a0 [ 1351.684474][ T10] worker_thread+0x587/0xd30 [ 1351.684474][ T10] kthread+0x28a/0x350 [ 1351.684474][ T10] ret_from_fork+0x31/0x70 [ 1351.684474][ T10] ret_from_fork_asm+0x1a/0x30 [ 1351.684474][ T10] [ 1351.686612][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1351.686612][ T10] netdev_get_by_index+0x5e/0x80 [ 1351.686612][ T10] fib6_nh_init+0x3d8/0x1580 [ 1351.686612][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1351.686612][ T10] ip6_route_add+0x1c/0x140 [ 1351.686612][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1351.686612][ T10] inet6_addr_add+0x4f8/0xa40 [ 1351.686612][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1351.686612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1351.686612][ T10] netlink_rcv_skb+0x130/0x360 [ 1351.686612][ T10] netlink_unicast+0x449/0x710 [ 1351.686612][ T10] netlink_sendmsg+0x723/0xbe0 [ 1351.686612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1351.686612][ T10] ___sys_sendmsg+0xee/0x170 [ 1351.686612][ T10] __sys_sendmsg+0xcd/0x170 [ 1351.686612][ T10] do_syscall_64+0xc6/0x1e0 [ 1351.686612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1351.686612][ T10] [ 1351.688843][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1351.688843][ T10] netdev_get_by_index+0x5e/0x80 [ 1351.688843][ T10] fib6_nh_init+0x3d8/0x1580 [ 1351.688843][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1351.688843][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1351.688843][ T10] ipv6_add_addr+0x411/0x2000 [ 1351.688843][ T10] inet6_addr_add+0x30e/0xa40 [ 1351.688843][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1351.688843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1351.688843][ T10] netlink_rcv_skb+0x130/0x360 [ 1351.688843][ T10] netlink_unicast+0x449/0x710 [ 1351.688843][ T10] netlink_sendmsg+0x723/0xbe0 [ 1351.688843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1351.688843][ T10] ___sys_sendmsg+0xee/0x170 [ 1351.688843][ T10] __sys_sendmsg+0xcd/0x170 [ 1351.688843][ T10] do_syscall_64+0xc6/0x1e0 [ 1351.688843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1351.688843][ T10] [ 1351.691133][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1351.691133][ T10] netdev_get_by_index+0x5e/0x80 [ 1351.691133][ T10] fib6_nh_init+0x3d8/0x1580 [ 1351.691133][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1351.691133][ T10] ip6_route_add+0x1c/0x140 [ 1351.691133][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1351.691133][ T10] addrconf_add_dev+0xe2/0x170 [ 1351.691133][ T10] inet6_addr_add+0x12f/0xa40 [ 1351.691133][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1351.691133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1351.691133][ T10] netlink_rcv_skb+0x130/0x360 [ 1351.691133][ T10] netlink_unicast+0x449/0x710 [ 1351.691133][ T10] netlink_sendmsg+0x723/0xbe0 [ 1351.691133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1351.691133][ T10] ___sys_sendmsg+0xee/0x170 [ 1351.691133][ T10] __sys_sendmsg+0xcd/0x170 [ 1351.691133][ T10] do_syscall_64+0xc6/0x1e0 [ 1351.691133][ T10] [ 1351.693270][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1351.693270][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1351.693270][ T10] ipv6_find_idev+0x102/0x170 [ 1351.693270][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1351.693270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1351.693270][ T10] netlink_rcv_skb+0x130/0x360 [ 1351.693270][ T10] netlink_unicast+0x449/0x710 [ 1351.693270][ T10] netlink_sendmsg+0x723/0xbe0 [ 1351.693270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1351.693270][ T10] ___sys_sendmsg+0xee/0x170 [ 1351.693270][ T10] __sys_sendmsg+0xcd/0x170 [ 1351.693270][ T10] do_syscall_64+0xc6/0x1e0 [ 1351.693270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1351.693270][ T10] [ 1351.694989][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1351.694989][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1351.694989][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1351.694989][ T10] ipv6_find_idev+0x102/0x170 [ 1351.694989][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1351.694989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1351.694989][ T10] netlink_rcv_skb+0x130/0x360 [ 1351.694989][ T10] netlink_unicast+0x449/0x710 [ 1351.694989][ T10] netlink_sendmsg+0x723/0xbe0 [ 1351.694989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1351.694989][ T10] ___sys_sendmsg+0xee/0x170 [ 1351.694989][ T10] __sys_sendmsg+0xcd/0x170 [ 1351.694989][ T10] do_syscall_64+0xc6/0x1e0 [ 1351.694989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1351.694989][ T10] [ 1360.057094][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1360.057611][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1360.057611][ T1167] dst_init+0x84/0x4a0 [ 1360.057611][ T1167] dst_alloc+0x97/0x150 [ 1360.057611][ T1167] ip6_dst_alloc+0x23/0x90 [ 1360.057611][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1360.057611][ T1167] ip6_pol_route+0x56f/0x840 [ 1360.057611][ T1167] fib6_rule_lookup+0x334/0x630 [ 1360.057611][ T1167] ip6_route_output_flags+0x259/0x480 [ 1360.057611][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1360.057611][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1360.057611][ T1167] netlink_rcv_skb+0x130/0x360 [ 1360.057611][ T1167] netlink_unicast+0x449/0x710 [ 1360.057611][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1360.057611][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1360.057611][ T1167] ___sys_sendmsg+0xee/0x170 [ 1360.057611][ T1167] __sys_sendmsg+0xcd/0x170 [ 1360.057611][ T1167] do_syscall_64+0xc6/0x1e0 [ 1360.057611][ T1167] [ 1360.060230][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1360.060230][ T1167] netdev_get_by_index+0x5e/0x80 [ 1360.060230][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1360.060230][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1360.060230][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1360.060230][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1360.060230][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1360.060230][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1360.060230][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1360.060230][ T1167] addrconf_dad_begin+0x310/0x670 [ 1360.060230][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1360.060230][ T1167] process_one_work+0x84d/0x18a0 [ 1360.060230][ T1167] worker_thread+0x587/0xd30 [ 1360.060230][ T1167] kthread+0x28a/0x350 [ 1360.060230][ T1167] ret_from_fork+0x31/0x70 [ 1360.060230][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1360.060230][ T1167] [ 1360.062549][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1360.062549][ T1167] netdev_get_by_index+0x5e/0x80 [ 1360.062549][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1360.062549][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1360.062549][ T1167] ip6_route_add+0x1c/0x140 [ 1360.062549][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1360.062549][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1360.062549][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1360.062549][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1360.062549][ T1167] netlink_rcv_skb+0x130/0x360 [ 1360.062549][ T1167] netlink_unicast+0x449/0x710 [ 1360.062549][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1360.062549][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1360.062549][ T1167] ___sys_sendmsg+0xee/0x170 [ 1360.062549][ T1167] __sys_sendmsg+0xcd/0x170 [ 1360.062549][ T1167] do_syscall_64+0xc6/0x1e0 [ 1360.062549][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1360.062549][ T1167] [ 1360.065310][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1360.065310][ T1167] netdev_get_by_index+0x5e/0x80 [ 1360.065310][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1360.065310][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1360.065310][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1360.065310][ T1167] ipv6_add_addr+0x411/0x2000 [ 1360.065310][ T1167] inet6_addr_add+0x30e/0xa40 [ 1360.065310][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1360.065310][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1360.065310][ T1167] netlink_rcv_skb+0x130/0x360 [ 1360.065310][ T1167] netlink_unicast+0x449/0x710 [ 1360.065310][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1360.065310][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1360.065310][ T1167] ___sys_sendmsg+0xee/0x170 [ 1360.065310][ T1167] __sys_sendmsg+0xcd/0x170 [ 1360.065310][ T1167] do_syscall_64+0xc6/0x1e0 [ 1360.065310][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1360.065310][ T1167] [ 1360.067616][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1360.067616][ T1167] netdev_get_by_index+0x5e/0x80 [ 1360.067616][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1360.067616][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1360.067616][ T1167] ip6_route_add+0x1c/0x140 [ 1360.067616][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1360.067616][ T1167] addrconf_add_dev+0xe2/0x170 [ 1360.067616][ T1167] inet6_addr_add+0x12f/0xa40 [ 1360.067616][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1360.067616][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1360.067616][ T1167] netlink_rcv_skb+0x130/0x360 [ 1360.067616][ T1167] netlink_unicast+0x449/0x710 [ 1360.067616][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1360.067616][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1360.067616][ T1167] ___sys_sendmsg+0xee/0x170 [ 1360.067616][ T1167] __sys_sendmsg+0xcd/0x170 [ 1360.067616][ T1167] do_syscall_64+0xc6/0x1e0 [ 1360.067616][ T1167] [ 1360.069857][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1360.069857][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1360.069857][ T1167] ipv6_find_idev+0x102/0x170 [ 1360.069857][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1360.069857][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1360.069857][ T1167] netlink_rcv_skb+0x130/0x360 [ 1360.069857][ T1167] netlink_unicast+0x449/0x710 [ 1360.069857][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1360.069857][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1360.069857][ T1167] ___sys_sendmsg+0xee/0x170 [ 1360.069857][ T1167] __sys_sendmsg+0xcd/0x170 [ 1360.069857][ T1167] do_syscall_64+0xc6/0x1e0 [ 1360.069857][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1360.069857][ T1167] [ 1360.071659][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1360.071659][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1360.071659][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1360.071659][ T1167] ipv6_find_idev+0x102/0x170 [ 1360.071659][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1360.071659][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1360.071659][ T1167] netlink_rcv_skb+0x130/0x360 [ 1360.071659][ T1167] netlink_unicast+0x449/0x710 [ 1360.071659][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1360.071659][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1360.071659][ T1167] ___sys_sendmsg+0xee/0x170 [ 1360.071659][ T1167] __sys_sendmsg+0xcd/0x170 [ 1360.071659][ T1167] do_syscall_64+0xc6/0x1e0 [ 1360.071659][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1360.071659][ T1167] [ 1361.937170][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1361.937579][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1361.937579][ T10] netdev_get_by_index+0x5e/0x80 [ 1361.937579][ T10] fib6_nh_init+0x3d8/0x1580 [ 1361.937579][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1361.937579][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1361.937579][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1361.937579][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1361.937579][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1361.937579][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1361.937579][ T10] addrconf_dad_begin+0x310/0x670 [ 1361.937579][ T10] addrconf_dad_work+0x10b/0xab0 [ 1361.937579][ T10] process_one_work+0x84d/0x18a0 [ 1361.937579][ T10] worker_thread+0x587/0xd30 [ 1361.937579][ T10] kthread+0x28a/0x350 [ 1361.937579][ T10] ret_from_fork+0x31/0x70 [ 1361.937579][ T10] ret_from_fork_asm+0x1a/0x30 [ 1361.937579][ T10] [ 1361.939512][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1361.939512][ T10] netdev_get_by_index+0x5e/0x80 [ 1361.939512][ T10] fib6_nh_init+0x3d8/0x1580 [ 1361.939512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1361.939512][ T10] ip6_route_add+0x1c/0x140 [ 1361.939512][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1361.939512][ T10] inet6_addr_add+0x4f8/0xa40 [ 1361.939512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1361.939512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1361.939512][ T10] netlink_rcv_skb+0x130/0x360 [ 1361.939512][ T10] netlink_unicast+0x449/0x710 [ 1361.939512][ T10] netlink_sendmsg+0x723/0xbe0 [ 1361.939512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1361.939512][ T10] ___sys_sendmsg+0xee/0x170 [ 1361.939512][ T10] __sys_sendmsg+0xcd/0x170 [ 1361.939512][ T10] do_syscall_64+0xc6/0x1e0 [ 1361.939512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1361.939512][ T10] [ 1361.941519][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1361.941519][ T10] netdev_get_by_index+0x5e/0x80 [ 1361.941519][ T10] fib6_nh_init+0x3d8/0x1580 [ 1361.941519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1361.941519][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1361.941519][ T10] ipv6_add_addr+0x411/0x2000 [ 1361.941519][ T10] inet6_addr_add+0x30e/0xa40 [ 1361.941519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1361.941519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1361.941519][ T10] netlink_rcv_skb+0x130/0x360 [ 1361.941519][ T10] netlink_unicast+0x449/0x710 [ 1361.941519][ T10] netlink_sendmsg+0x723/0xbe0 [ 1361.941519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1361.941519][ T10] ___sys_sendmsg+0xee/0x170 [ 1361.941519][ T10] __sys_sendmsg+0xcd/0x170 [ 1361.941519][ T10] do_syscall_64+0xc6/0x1e0 [ 1361.941519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1361.941519][ T10] [ 1361.943518][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1361.943518][ T10] netdev_get_by_index+0x5e/0x80 [ 1361.943518][ T10] fib6_nh_init+0x3d8/0x1580 [ 1361.943518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1361.943518][ T10] ip6_route_add+0x1c/0x140 [ 1361.943518][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1361.943518][ T10] addrconf_add_dev+0xe2/0x170 [ 1361.943518][ T10] inet6_addr_add+0x12f/0xa40 [ 1361.943518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1361.943518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1361.943518][ T10] netlink_rcv_skb+0x130/0x360 [ 1361.943518][ T10] netlink_unicast+0x449/0x710 [ 1361.943518][ T10] netlink_sendmsg+0x723/0xbe0 [ 1361.943518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1361.943518][ T10] ___sys_sendmsg+0xee/0x170 [ 1361.943518][ T10] __sys_sendmsg+0xcd/0x170 [ 1361.943518][ T10] do_syscall_64+0xc6/0x1e0 [ 1361.943518][ T10] [ 1361.945468][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1361.945468][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1361.945468][ T10] ipv6_find_idev+0x102/0x170 [ 1361.945468][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1361.945468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1361.945468][ T10] netlink_rcv_skb+0x130/0x360 [ 1361.945468][ T10] netlink_unicast+0x449/0x710 [ 1361.945468][ T10] netlink_sendmsg+0x723/0xbe0 [ 1361.945468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1361.945468][ T10] ___sys_sendmsg+0xee/0x170 [ 1361.945468][ T10] __sys_sendmsg+0xcd/0x170 [ 1361.945468][ T10] do_syscall_64+0xc6/0x1e0 [ 1361.945468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1361.945468][ T10] [ 1361.947012][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1361.947012][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1361.947012][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1361.947012][ T10] ipv6_find_idev+0x102/0x170 [ 1361.947012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1361.947012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1361.947012][ T10] netlink_rcv_skb+0x130/0x360 [ 1361.947012][ T10] netlink_unicast+0x449/0x710 [ 1361.947012][ T10] netlink_sendmsg+0x723/0xbe0 [ 1361.947012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1361.947012][ T10] ___sys_sendmsg+0xee/0x170 [ 1361.947012][ T10] __sys_sendmsg+0xcd/0x170 [ 1361.947012][ T10] do_syscall_64+0xc6/0x1e0 [ 1361.947012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1361.947012][ T10] [ 1361.948686][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1361.948927][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1361.948927][ T10] netdev_get_by_index+0x5e/0x80 [ 1361.948927][ T10] fib6_nh_init+0x3d8/0x1580 [ 1361.948927][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1361.948927][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1361.948927][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1361.948927][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1361.948927][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1361.948927][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1361.948927][ T10] addrconf_dad_begin+0x310/0x670 [ 1361.948927][ T10] addrconf_dad_work+0x10b/0xab0 [ 1361.948927][ T10] process_one_work+0x84d/0x18a0 [ 1361.948927][ T10] worker_thread+0x587/0xd30 [ 1361.948927][ T10] kthread+0x28a/0x350 [ 1361.948927][ T10] ret_from_fork+0x31/0x70 [ 1361.948927][ T10] ret_from_fork_asm+0x1a/0x30 [ 1361.948927][ T10] [ 1361.950822][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1361.950822][ T10] netdev_get_by_index+0x5e/0x80 [ 1361.950822][ T10] fib6_nh_init+0x3d8/0x1580 [ 1361.950822][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1361.950822][ T10] ip6_route_add+0x1c/0x140 [ 1361.950822][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1361.950822][ T10] inet6_addr_add+0x4f8/0xa40 [ 1361.950822][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1361.950822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1361.950822][ T10] netlink_rcv_skb+0x130/0x360 [ 1361.950822][ T10] netlink_unicast+0x449/0x710 [ 1361.950822][ T10] netlink_sendmsg+0x723/0xbe0 [ 1361.950822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1361.950822][ T10] ___sys_sendmsg+0xee/0x170 [ 1361.950822][ T10] __sys_sendmsg+0xcd/0x170 [ 1361.950822][ T10] do_syscall_64+0xc6/0x1e0 [ 1361.950822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1361.950822][ T10] [ 1361.952815][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1361.952815][ T10] netdev_get_by_index+0x5e/0x80 [ 1361.952815][ T10] fib6_nh_init+0x3d8/0x1580 [ 1361.952815][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1361.952815][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1361.952815][ T10] ipv6_add_addr+0x411/0x2000 [ 1361.952815][ T10] inet6_addr_add+0x30e/0xa40 [ 1361.952815][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1361.952815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1361.952815][ T10] netlink_rcv_skb+0x130/0x360 [ 1361.952815][ T10] netlink_unicast+0x449/0x710 [ 1361.952815][ T10] netlink_sendmsg+0x723/0xbe0 [ 1361.952815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1361.952815][ T10] ___sys_sendmsg+0xee/0x170 [ 1361.952815][ T10] __sys_sendmsg+0xcd/0x170 [ 1361.952815][ T10] do_syscall_64+0xc6/0x1e0 [ 1361.952815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1361.952815][ T10] [ 1361.954794][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1361.954794][ T10] netdev_get_by_index+0x5e/0x80 [ 1361.954794][ T10] fib6_nh_init+0x3d8/0x1580 [ 1361.954794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1361.954794][ T10] ip6_route_add+0x1c/0x140 [ 1361.954794][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1361.954794][ T10] addrconf_add_dev+0xe2/0x170 [ 1361.954794][ T10] inet6_addr_add+0x12f/0xa40 [ 1361.954794][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1361.954794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1361.954794][ T10] netlink_rcv_skb+0x130/0x360 [ 1361.954794][ T10] netlink_unicast+0x449/0x710 [ 1361.954794][ T10] netlink_sendmsg+0x723/0xbe0 [ 1361.954794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1361.954794][ T10] ___sys_sendmsg+0xee/0x170 [ 1361.954794][ T10] __sys_sendmsg+0xcd/0x170 [ 1361.954794][ T10] do_syscall_64+0xc6/0x1e0 [ 1361.954794][ T10] [ 1361.956749][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1361.956749][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1361.956749][ T10] ipv6_find_idev+0x102/0x170 [ 1361.956749][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1361.956749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1361.956749][ T10] netlink_rcv_skb+0x130/0x360 [ 1361.956749][ T10] netlink_unicast+0x449/0x710 [ 1361.956749][ T10] netlink_sendmsg+0x723/0xbe0 [ 1361.956749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1361.956749][ T10] ___sys_sendmsg+0xee/0x170 [ 1361.956749][ T10] __sys_sendmsg+0xcd/0x170 [ 1361.956749][ T10] do_syscall_64+0xc6/0x1e0 [ 1361.956749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1361.956749][ T10] [ 1361.958387][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1361.958387][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1361.958387][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1361.958387][ T10] ipv6_find_idev+0x102/0x170 [ 1361.958387][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1361.958387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1361.958387][ T10] netlink_rcv_skb+0x130/0x360 [ 1361.958387][ T10] netlink_unicast+0x449/0x710 [ 1361.958387][ T10] netlink_sendmsg+0x723/0xbe0 [ 1361.958387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1361.958387][ T10] ___sys_sendmsg+0xee/0x170 [ 1361.958387][ T10] __sys_sendmsg+0xcd/0x170 [ 1361.958387][ T10] do_syscall_64+0xc6/0x1e0 [ 1361.958387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1361.958387][ T10] [ 1361.960070][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1361.960308][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1361.960308][ T10] netdev_get_by_index+0x5e/0x80 [ 1361.960308][ T10] fib6_nh_init+0x3d8/0x1580 [ 1361.960308][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1361.960308][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1361.960308][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1361.960308][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1361.960308][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1361.960308][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1361.960308][ T10] addrconf_dad_begin+0x310/0x670 [ 1361.960308][ T10] addrconf_dad_work+0x10b/0xab0 [ 1361.960308][ T10] process_one_work+0x84d/0x18a0 [ 1361.960308][ T10] worker_thread+0x587/0xd30 [ 1361.960308][ T10] kthread+0x28a/0x350 [ 1361.960308][ T10] ret_from_fork+0x31/0x70 [ 1361.960308][ T10] ret_from_fork_asm+0x1a/0x30 [ 1361.960308][ T10] [ 1361.962207][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1361.962207][ T10] netdev_get_by_index+0x5e/0x80 [ 1361.962207][ T10] fib6_nh_init+0x3d8/0x1580 [ 1361.962207][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1361.962207][ T10] ip6_route_add+0x1c/0x140 [ 1361.962207][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1361.962207][ T10] inet6_addr_add+0x4f8/0xa40 [ 1361.962207][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1361.962207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1361.962207][ T10] netlink_rcv_skb+0x130/0x360 [ 1361.962207][ T10] netlink_unicast+0x449/0x710 [ 1361.962207][ T10] netlink_sendmsg+0x723/0xbe0 [ 1361.962207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1361.962207][ T10] ___sys_sendmsg+0xee/0x170 [ 1361.962207][ T10] __sys_sendmsg+0xcd/0x170 [ 1361.962207][ T10] do_syscall_64+0xc6/0x1e0 [ 1361.962207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1361.962207][ T10] [ 1361.964447][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1361.964447][ T10] netdev_get_by_index+0x5e/0x80 [ 1361.964447][ T10] fib6_nh_init+0x3d8/0x1580 [ 1361.964447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1361.964447][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1361.964447][ T10] ipv6_add_addr+0x411/0x2000 [ 1361.964447][ T10] inet6_addr_add+0x30e/0xa40 [ 1361.964447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1361.964447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1361.964447][ T10] netlink_rcv_skb+0x130/0x360 [ 1361.964447][ T10] netlink_unicast+0x449/0x710 [ 1361.964447][ T10] netlink_sendmsg+0x723/0xbe0 [ 1361.964447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1361.964447][ T10] ___sys_sendmsg+0xee/0x170 [ 1361.964447][ T10] __sys_sendmsg+0xcd/0x170 [ 1361.964447][ T10] do_syscall_64+0xc6/0x1e0 [ 1361.964447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1361.964447][ T10] [ 1361.966850][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1361.966850][ T10] netdev_get_by_index+0x5e/0x80 [ 1361.966850][ T10] fib6_nh_init+0x3d8/0x1580 [ 1361.966850][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1361.966850][ T10] ip6_route_add+0x1c/0x140 [ 1361.966850][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1361.966850][ T10] addrconf_add_dev+0xe2/0x170 [ 1361.966850][ T10] inet6_addr_add+0x12f/0xa40 [ 1361.966850][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1361.966850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1361.966850][ T10] netlink_rcv_skb+0x130/0x360 [ 1361.966850][ T10] netlink_unicast+0x449/0x710 [ 1361.966850][ T10] netlink_sendmsg+0x723/0xbe0 [ 1361.966850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1361.966850][ T10] ___sys_sendmsg+0xee/0x170 [ 1361.966850][ T10] __sys_sendmsg+0xcd/0x170 [ 1361.966850][ T10] do_syscall_64+0xc6/0x1e0 [ 1361.966850][ T10] [ 1361.969353][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1361.969353][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1361.969353][ T10] ipv6_find_idev+0x102/0x170 [ 1361.969353][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1361.969353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1361.969353][ T10] netlink_rcv_skb+0x130/0x360 [ 1361.969353][ T10] netlink_unicast+0x449/0x710 [ 1361.969353][ T10] netlink_sendmsg+0x723/0xbe0 [ 1361.969353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1361.969353][ T10] ___sys_sendmsg+0xee/0x170 [ 1361.969353][ T10] __sys_sendmsg+0xcd/0x170 [ 1361.969353][ T10] do_syscall_64+0xc6/0x1e0 [ 1361.969353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1361.969353][ T10] [ 1361.971147][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1361.971147][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1361.971147][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1361.971147][ T10] ipv6_find_idev+0x102/0x170 [ 1361.971147][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1361.971147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1361.971147][ T10] netlink_rcv_skb+0x130/0x360 [ 1361.971147][ T10] netlink_unicast+0x449/0x710 [ 1361.971147][ T10] netlink_sendmsg+0x723/0xbe0 [ 1361.971147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1361.971147][ T10] ___sys_sendmsg+0xee/0x170 [ 1361.971147][ T10] __sys_sendmsg+0xcd/0x170 [ 1361.971147][ T10] do_syscall_64+0xc6/0x1e0 [ 1361.971147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1361.971147][ T10] [ 1361.973027][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1361.973267][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1361.973267][ T10] netdev_get_by_index+0x5e/0x80 [ 1361.973267][ T10] fib6_nh_init+0x3d8/0x1580 [ 1361.973267][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1361.973267][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1361.973267][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1361.973267][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1361.973267][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1361.973267][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1361.973267][ T10] addrconf_dad_begin+0x310/0x670 [ 1361.973267][ T10] addrconf_dad_work+0x10b/0xab0 [ 1361.973267][ T10] process_one_work+0x84d/0x18a0 [ 1361.973267][ T10] worker_thread+0x587/0xd30 [ 1361.973267][ T10] kthread+0x28a/0x350 [ 1361.973267][ T10] ret_from_fork+0x31/0x70 [ 1361.973267][ T10] ret_from_fork_asm+0x1a/0x30 [ 1361.973267][ T10] [ 1361.975397][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1361.975397][ T10] netdev_get_by_index+0x5e/0x80 [ 1361.975397][ T10] fib6_nh_init+0x3d8/0x1580 [ 1361.975397][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1361.975397][ T10] ip6_route_add+0x1c/0x140 [ 1361.975397][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1361.975397][ T10] inet6_addr_add+0x4f8/0xa40 [ 1361.975397][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1361.975397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1361.975397][ T10] netlink_rcv_skb+0x130/0x360 [ 1361.975397][ T10] netlink_unicast+0x449/0x710 [ 1361.975397][ T10] netlink_sendmsg+0x723/0xbe0 [ 1361.975397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1361.975397][ T10] ___sys_sendmsg+0xee/0x170 [ 1361.975397][ T10] __sys_sendmsg+0xcd/0x170 [ 1361.975397][ T10] do_syscall_64+0xc6/0x1e0 [ 1361.975397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1361.975397][ T10] [ 1361.977760][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1361.977760][ T10] netdev_get_by_index+0x5e/0x80 [ 1361.977760][ T10] fib6_nh_init+0x3d8/0x1580 [ 1361.977760][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1361.977760][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1361.977760][ T10] ipv6_add_addr+0x411/0x2000 [ 1361.977760][ T10] inet6_addr_add+0x30e/0xa40 [ 1361.977760][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1361.977760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1361.977760][ T10] netlink_rcv_skb+0x130/0x360 [ 1361.977760][ T10] netlink_unicast+0x449/0x710 [ 1361.977760][ T10] netlink_sendmsg+0x723/0xbe0 [ 1361.977760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1361.977760][ T10] ___sys_sendmsg+0xee/0x170 [ 1361.977760][ T10] __sys_sendmsg+0xcd/0x170 [ 1361.977760][ T10] do_syscall_64+0xc6/0x1e0 [ 1361.977760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1361.977760][ T10] [ 1361.980091][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1361.980091][ T10] netdev_get_by_index+0x5e/0x80 [ 1361.980091][ T10] fib6_nh_init+0x3d8/0x1580 [ 1361.980091][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1361.980091][ T10] ip6_route_add+0x1c/0x140 [ 1361.980091][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1361.980091][ T10] addrconf_add_dev+0xe2/0x170 [ 1361.980091][ T10] inet6_addr_add+0x12f/0xa40 [ 1361.980091][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1361.980091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1361.980091][ T10] netlink_rcv_skb+0x130/0x360 [ 1361.980091][ T10] netlink_unicast+0x449/0x710 [ 1361.980091][ T10] netlink_sendmsg+0x723/0xbe0 [ 1361.980091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1361.980091][ T10] ___sys_sendmsg+0xee/0x170 [ 1361.980091][ T10] __sys_sendmsg+0xcd/0x170 [ 1361.980091][ T10] do_syscall_64+0xc6/0x1e0 [ 1361.980091][ T10] [ 1361.982344][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1361.982344][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1361.982344][ T10] ipv6_find_idev+0x102/0x170 [ 1361.982344][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1361.982344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1361.982344][ T10] netlink_rcv_skb+0x130/0x360 [ 1361.982344][ T10] netlink_unicast+0x449/0x710 [ 1361.982344][ T10] netlink_sendmsg+0x723/0xbe0 [ 1361.982344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1361.982344][ T10] ___sys_sendmsg+0xee/0x170 [ 1361.982344][ T10] __sys_sendmsg+0xcd/0x170 [ 1361.982344][ T10] do_syscall_64+0xc6/0x1e0 [ 1361.982344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1361.982344][ T10] [ 1361.984206][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1361.984206][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1361.984206][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1361.984206][ T10] ipv6_find_idev+0x102/0x170 [ 1361.984206][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1361.984206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1361.984206][ T10] netlink_rcv_skb+0x130/0x360 [ 1361.984206][ T10] netlink_unicast+0x449/0x710 [ 1361.984206][ T10] netlink_sendmsg+0x723/0xbe0 [ 1361.984206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1361.984206][ T10] ___sys_sendmsg+0xee/0x170 [ 1361.984206][ T10] __sys_sendmsg+0xcd/0x170 [ 1361.984206][ T10] do_syscall_64+0xc6/0x1e0 [ 1361.984206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1361.984206][ T10] [ 1370.313094][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1370.313745][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1370.313745][ T1167] dst_init+0x84/0x4a0 [ 1370.313745][ T1167] dst_alloc+0x97/0x150 [ 1370.313745][ T1167] ip6_dst_alloc+0x23/0x90 [ 1370.313745][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1370.313745][ T1167] ip6_pol_route+0x56f/0x840 [ 1370.313745][ T1167] fib6_rule_lookup+0x334/0x630 [ 1370.313745][ T1167] ip6_route_output_flags+0x259/0x480 [ 1370.313745][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1370.313745][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1370.313745][ T1167] netlink_rcv_skb+0x130/0x360 [ 1370.313745][ T1167] netlink_unicast+0x449/0x710 [ 1370.313745][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1370.313745][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1370.313745][ T1167] ___sys_sendmsg+0xee/0x170 [ 1370.313745][ T1167] __sys_sendmsg+0xcd/0x170 [ 1370.313745][ T1167] do_syscall_64+0xc6/0x1e0 [ 1370.313745][ T1167] [ 1370.317039][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1370.317039][ T1167] netdev_get_by_index+0x5e/0x80 [ 1370.317039][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1370.317039][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1370.317039][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1370.317039][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1370.317039][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1370.317039][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1370.317039][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1370.317039][ T1167] addrconf_dad_begin+0x310/0x670 [ 1370.317039][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1370.317039][ T1167] process_one_work+0x84d/0x18a0 [ 1370.317039][ T1167] worker_thread+0x587/0xd30 [ 1370.317039][ T1167] kthread+0x28a/0x350 [ 1370.317039][ T1167] ret_from_fork+0x31/0x70 [ 1370.317039][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1370.317039][ T1167] [ 1370.319455][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1370.319455][ T1167] netdev_get_by_index+0x5e/0x80 [ 1370.319455][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1370.319455][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1370.319455][ T1167] ip6_route_add+0x1c/0x140 [ 1370.319455][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1370.319455][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1370.319455][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1370.319455][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1370.319455][ T1167] netlink_rcv_skb+0x130/0x360 [ 1370.319455][ T1167] netlink_unicast+0x449/0x710 [ 1370.319455][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1370.319455][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1370.319455][ T1167] ___sys_sendmsg+0xee/0x170 [ 1370.319455][ T1167] __sys_sendmsg+0xcd/0x170 [ 1370.319455][ T1167] do_syscall_64+0xc6/0x1e0 [ 1370.319455][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1370.319455][ T1167] [ 1370.323159][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1370.323159][ T1167] netdev_get_by_index+0x5e/0x80 [ 1370.323159][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1370.323159][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1370.323159][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1370.323159][ T1167] ipv6_add_addr+0x411/0x2000 [ 1370.323159][ T1167] inet6_addr_add+0x30e/0xa40 [ 1370.323159][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1370.323159][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1370.323159][ T1167] netlink_rcv_skb+0x130/0x360 [ 1370.323159][ T1167] netlink_unicast+0x449/0x710 [ 1370.323159][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1370.323159][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1370.323159][ T1167] ___sys_sendmsg+0xee/0x170 [ 1370.323159][ T1167] __sys_sendmsg+0xcd/0x170 [ 1370.323159][ T1167] do_syscall_64+0xc6/0x1e0 [ 1370.323159][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1370.323159][ T1167] [ 1370.326332][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1370.326332][ T1167] netdev_get_by_index+0x5e/0x80 [ 1370.326332][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1370.326332][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1370.326332][ T1167] ip6_route_add+0x1c/0x140 [ 1370.326332][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1370.326332][ T1167] addrconf_add_dev+0xe2/0x170 [ 1370.326332][ T1167] inet6_addr_add+0x12f/0xa40 [ 1370.326332][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1370.326332][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1370.326332][ T1167] netlink_rcv_skb+0x130/0x360 [ 1370.326332][ T1167] netlink_unicast+0x449/0x710 [ 1370.326332][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1370.326332][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1370.326332][ T1167] ___sys_sendmsg+0xee/0x170 [ 1370.326332][ T1167] __sys_sendmsg+0xcd/0x170 [ 1370.326332][ T1167] do_syscall_64+0xc6/0x1e0 [ 1370.326332][ T1167] [ 1370.328702][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1370.328702][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1370.328702][ T1167] ipv6_find_idev+0x102/0x170 [ 1370.328702][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1370.328702][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1370.328702][ T1167] netlink_rcv_skb+0x130/0x360 [ 1370.328702][ T1167] netlink_unicast+0x449/0x710 [ 1370.328702][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1370.328702][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1370.328702][ T1167] ___sys_sendmsg+0xee/0x170 [ 1370.328702][ T1167] __sys_sendmsg+0xcd/0x170 [ 1370.328702][ T1167] do_syscall_64+0xc6/0x1e0 [ 1370.328702][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1370.328702][ T1167] [ 1370.330958][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1370.330958][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1370.330958][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1370.330958][ T1167] ipv6_find_idev+0x102/0x170 [ 1370.330958][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1370.330958][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1370.330958][ T1167] netlink_rcv_skb+0x130/0x360 [ 1370.330958][ T1167] netlink_unicast+0x449/0x710 [ 1370.330958][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1370.330958][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1370.330958][ T1167] ___sys_sendmsg+0xee/0x170 [ 1370.330958][ T1167] __sys_sendmsg+0xcd/0x170 [ 1370.330958][ T1167] do_syscall_64+0xc6/0x1e0 [ 1370.330958][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1370.330958][ T1167] [ 1372.225146][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1372.225500][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1372.225500][ T10] netdev_get_by_index+0x5e/0x80 [ 1372.225500][ T10] fib6_nh_init+0x3d8/0x1580 [ 1372.225500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1372.225500][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1372.225500][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1372.225500][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1372.225500][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1372.225500][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1372.225500][ T10] addrconf_dad_begin+0x310/0x670 [ 1372.225500][ T10] addrconf_dad_work+0x10b/0xab0 [ 1372.225500][ T10] process_one_work+0x84d/0x18a0 [ 1372.225500][ T10] worker_thread+0x587/0xd30 [ 1372.225500][ T10] kthread+0x28a/0x350 [ 1372.225500][ T10] ret_from_fork+0x31/0x70 [ 1372.225500][ T10] ret_from_fork_asm+0x1a/0x30 [ 1372.225500][ T10] [ 1372.227432][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1372.227432][ T10] netdev_get_by_index+0x5e/0x80 [ 1372.227432][ T10] fib6_nh_init+0x3d8/0x1580 [ 1372.227432][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1372.227432][ T10] ip6_route_add+0x1c/0x140 [ 1372.227432][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1372.227432][ T10] inet6_addr_add+0x4f8/0xa40 [ 1372.227432][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1372.227432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.227432][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.227432][ T10] netlink_unicast+0x449/0x710 [ 1372.227432][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.227432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.227432][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.227432][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.227432][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.227432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.227432][ T10] [ 1372.229421][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1372.229421][ T10] netdev_get_by_index+0x5e/0x80 [ 1372.229421][ T10] fib6_nh_init+0x3d8/0x1580 [ 1372.229421][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1372.229421][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1372.229421][ T10] ipv6_add_addr+0x411/0x2000 [ 1372.229421][ T10] inet6_addr_add+0x30e/0xa40 [ 1372.229421][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1372.229421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.229421][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.229421][ T10] netlink_unicast+0x449/0x710 [ 1372.229421][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.229421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.229421][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.229421][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.229421][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.229421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.229421][ T10] [ 1372.231416][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1372.231416][ T10] netdev_get_by_index+0x5e/0x80 [ 1372.231416][ T10] fib6_nh_init+0x3d8/0x1580 [ 1372.231416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1372.231416][ T10] ip6_route_add+0x1c/0x140 [ 1372.231416][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1372.231416][ T10] addrconf_add_dev+0xe2/0x170 [ 1372.231416][ T10] inet6_addr_add+0x12f/0xa40 [ 1372.231416][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1372.231416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.231416][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.231416][ T10] netlink_unicast+0x449/0x710 [ 1372.231416][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.231416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.231416][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.231416][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.231416][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.231416][ T10] [ 1372.233391][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1372.233391][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1372.233391][ T10] ipv6_find_idev+0x102/0x170 [ 1372.233391][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1372.233391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.233391][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.233391][ T10] netlink_unicast+0x449/0x710 [ 1372.233391][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.233391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.233391][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.233391][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.233391][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.233391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.233391][ T10] [ 1372.234930][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1372.234930][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1372.234930][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1372.234930][ T10] ipv6_find_idev+0x102/0x170 [ 1372.234930][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1372.234930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.234930][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.234930][ T10] netlink_unicast+0x449/0x710 [ 1372.234930][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.234930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.234930][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.234930][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.234930][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.234930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.234930][ T10] [ 1372.236608][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1372.236862][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1372.236862][ T10] netdev_get_by_index+0x5e/0x80 [ 1372.236862][ T10] fib6_nh_init+0x3d8/0x1580 [ 1372.236862][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1372.236862][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1372.236862][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1372.236862][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1372.236862][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1372.236862][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1372.236862][ T10] addrconf_dad_begin+0x310/0x670 [ 1372.236862][ T10] addrconf_dad_work+0x10b/0xab0 [ 1372.236862][ T10] process_one_work+0x84d/0x18a0 [ 1372.236862][ T10] worker_thread+0x587/0xd30 [ 1372.236862][ T10] kthread+0x28a/0x350 [ 1372.236862][ T10] ret_from_fork+0x31/0x70 [ 1372.236862][ T10] ret_from_fork_asm+0x1a/0x30 [ 1372.236862][ T10] [ 1372.238811][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1372.238811][ T10] netdev_get_by_index+0x5e/0x80 [ 1372.238811][ T10] fib6_nh_init+0x3d8/0x1580 [ 1372.238811][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1372.238811][ T10] ip6_route_add+0x1c/0x140 [ 1372.238811][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1372.238811][ T10] inet6_addr_add+0x4f8/0xa40 [ 1372.238811][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1372.238811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.238811][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.238811][ T10] netlink_unicast+0x449/0x710 [ 1372.238811][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.238811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.238811][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.238811][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.238811][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.238811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.238811][ T10] [ 1372.240803][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1372.240803][ T10] netdev_get_by_index+0x5e/0x80 [ 1372.240803][ T10] fib6_nh_init+0x3d8/0x1580 [ 1372.240803][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1372.240803][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1372.240803][ T10] ipv6_add_addr+0x411/0x2000 [ 1372.240803][ T10] inet6_addr_add+0x30e/0xa40 [ 1372.240803][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1372.240803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.240803][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.240803][ T10] netlink_unicast+0x449/0x710 [ 1372.240803][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.240803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.240803][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.240803][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.240803][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.240803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.240803][ T10] [ 1372.242798][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1372.242798][ T10] netdev_get_by_index+0x5e/0x80 [ 1372.242798][ T10] fib6_nh_init+0x3d8/0x1580 [ 1372.242798][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1372.242798][ T10] ip6_route_add+0x1c/0x140 [ 1372.242798][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1372.242798][ T10] addrconf_add_dev+0xe2/0x170 [ 1372.242798][ T10] inet6_addr_add+0x12f/0xa40 [ 1372.242798][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1372.242798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.242798][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.242798][ T10] netlink_unicast+0x449/0x710 [ 1372.242798][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.242798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.242798][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.242798][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.242798][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.242798][ T10] [ 1372.244748][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1372.244748][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1372.244748][ T10] ipv6_find_idev+0x102/0x170 [ 1372.244748][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1372.244748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.244748][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.244748][ T10] netlink_unicast+0x449/0x710 [ 1372.244748][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.244748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.244748][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.244748][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.244748][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.244748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.244748][ T10] [ 1372.246275][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1372.246275][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1372.246275][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1372.246275][ T10] ipv6_find_idev+0x102/0x170 [ 1372.246275][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1372.246275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.246275][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.246275][ T10] netlink_unicast+0x449/0x710 [ 1372.246275][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.246275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.246275][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.246275][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.246275][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.246275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.246275][ T10] [ 1372.247951][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1372.248213][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1372.248213][ T10] netdev_get_by_index+0x5e/0x80 [ 1372.248213][ T10] fib6_nh_init+0x3d8/0x1580 [ 1372.248213][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1372.248213][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1372.248213][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1372.248213][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1372.248213][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1372.248213][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1372.248213][ T10] addrconf_dad_begin+0x310/0x670 [ 1372.248213][ T10] addrconf_dad_work+0x10b/0xab0 [ 1372.248213][ T10] process_one_work+0x84d/0x18a0 [ 1372.248213][ T10] worker_thread+0x587/0xd30 [ 1372.248213][ T10] kthread+0x28a/0x350 [ 1372.248213][ T10] ret_from_fork+0x31/0x70 [ 1372.248213][ T10] ret_from_fork_asm+0x1a/0x30 [ 1372.248213][ T10] [ 1372.250110][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1372.250110][ T10] netdev_get_by_index+0x5e/0x80 [ 1372.250110][ T10] fib6_nh_init+0x3d8/0x1580 [ 1372.250110][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1372.250110][ T10] ip6_route_add+0x1c/0x140 [ 1372.250110][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1372.250110][ T10] inet6_addr_add+0x4f8/0xa40 [ 1372.250110][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1372.250110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.250110][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.250110][ T10] netlink_unicast+0x449/0x710 [ 1372.250110][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.250110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.250110][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.250110][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.250110][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.250110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.250110][ T10] [ 1372.252281][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1372.252281][ T10] netdev_get_by_index+0x5e/0x80 [ 1372.252281][ T10] fib6_nh_init+0x3d8/0x1580 [ 1372.252281][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1372.252281][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1372.252281][ T10] ipv6_add_addr+0x411/0x2000 [ 1372.252281][ T10] inet6_addr_add+0x30e/0xa40 [ 1372.252281][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1372.252281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.252281][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.252281][ T10] netlink_unicast+0x449/0x710 [ 1372.252281][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.252281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.252281][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.252281][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.252281][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.252281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.252281][ T10] [ 1372.254562][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1372.254562][ T10] netdev_get_by_index+0x5e/0x80 [ 1372.254562][ T10] fib6_nh_init+0x3d8/0x1580 [ 1372.254562][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1372.254562][ T10] ip6_route_add+0x1c/0x140 [ 1372.254562][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1372.254562][ T10] addrconf_add_dev+0xe2/0x170 [ 1372.254562][ T10] inet6_addr_add+0x12f/0xa40 [ 1372.254562][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1372.254562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.254562][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.254562][ T10] netlink_unicast+0x449/0x710 [ 1372.254562][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.254562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.254562][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.254562][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.254562][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.254562][ T10] [ 1372.256776][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1372.256776][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1372.256776][ T10] ipv6_find_idev+0x102/0x170 [ 1372.256776][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1372.256776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.256776][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.256776][ T10] netlink_unicast+0x449/0x710 [ 1372.256776][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.256776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.256776][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.256776][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.256776][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.256776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.256776][ T10] [ 1372.258491][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1372.258491][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1372.258491][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1372.258491][ T10] ipv6_find_idev+0x102/0x170 [ 1372.258491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1372.258491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.258491][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.258491][ T10] netlink_unicast+0x449/0x710 [ 1372.258491][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.258491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.258491][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.258491][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.258491][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.258491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.258491][ T10] [ 1372.260354][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1372.260590][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1372.260590][ T10] netdev_get_by_index+0x5e/0x80 [ 1372.260590][ T10] fib6_nh_init+0x3d8/0x1580 [ 1372.260590][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1372.260590][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1372.260590][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1372.260590][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1372.260590][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1372.260590][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1372.260590][ T10] addrconf_dad_begin+0x310/0x670 [ 1372.260590][ T10] addrconf_dad_work+0x10b/0xab0 [ 1372.260590][ T10] process_one_work+0x84d/0x18a0 [ 1372.260590][ T10] worker_thread+0x587/0xd30 [ 1372.260590][ T10] kthread+0x28a/0x350 [ 1372.260590][ T10] ret_from_fork+0x31/0x70 [ 1372.260590][ T10] ret_from_fork_asm+0x1a/0x30 [ 1372.260590][ T10] [ 1372.262817][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1372.262817][ T10] netdev_get_by_index+0x5e/0x80 [ 1372.262817][ T10] fib6_nh_init+0x3d8/0x1580 [ 1372.262817][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1372.262817][ T10] ip6_route_add+0x1c/0x140 [ 1372.262817][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1372.262817][ T10] inet6_addr_add+0x4f8/0xa40 [ 1372.262817][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1372.262817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.262817][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.262817][ T10] netlink_unicast+0x449/0x710 [ 1372.262817][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.262817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.262817][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.262817][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.262817][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.262817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.262817][ T10] [ 1372.265051][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1372.265051][ T10] netdev_get_by_index+0x5e/0x80 [ 1372.265051][ T10] fib6_nh_init+0x3d8/0x1580 [ 1372.265051][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1372.265051][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1372.265051][ T10] ipv6_add_addr+0x411/0x2000 [ 1372.265051][ T10] inet6_addr_add+0x30e/0xa40 [ 1372.265051][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1372.265051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.265051][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.265051][ T10] netlink_unicast+0x449/0x710 [ 1372.265051][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.265051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.265051][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.265051][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.265051][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.265051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.265051][ T10] [ 1372.267485][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1372.267485][ T10] netdev_get_by_index+0x5e/0x80 [ 1372.267485][ T10] fib6_nh_init+0x3d8/0x1580 [ 1372.267485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1372.267485][ T10] ip6_route_add+0x1c/0x140 [ 1372.267485][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1372.267485][ T10] addrconf_add_dev+0xe2/0x170 [ 1372.267485][ T10] inet6_addr_add+0x12f/0xa40 [ 1372.267485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1372.267485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.267485][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.267485][ T10] netlink_unicast+0x449/0x710 [ 1372.267485][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.267485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.267485][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.267485][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.267485][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.267485][ T10] [ 1372.269628][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1372.269628][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1372.269628][ T10] ipv6_find_idev+0x102/0x170 [ 1372.269628][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1372.269628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.269628][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.269628][ T10] netlink_unicast+0x449/0x710 [ 1372.269628][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.269628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.269628][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.269628][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.269628][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.269628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.269628][ T10] [ 1372.271342][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1372.271342][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1372.271342][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1372.271342][ T10] ipv6_find_idev+0x102/0x170 [ 1372.271342][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1372.271342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.271342][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.271342][ T10] netlink_unicast+0x449/0x710 [ 1372.271342][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.271342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.271342][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.271342][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.271342][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.271342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.271342][ T10] [ 1380.457064][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1380.457631][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1380.457631][ T1167] dst_init+0x84/0x4a0 [ 1380.457631][ T1167] dst_alloc+0x97/0x150 [ 1380.457631][ T1167] ip6_dst_alloc+0x23/0x90 [ 1380.457631][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1380.457631][ T1167] ip6_pol_route+0x56f/0x840 [ 1380.457631][ T1167] fib6_rule_lookup+0x334/0x630 [ 1380.457631][ T1167] ip6_route_output_flags+0x259/0x480 [ 1380.457631][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1380.457631][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1380.457631][ T1167] netlink_rcv_skb+0x130/0x360 [ 1380.457631][ T1167] netlink_unicast+0x449/0x710 [ 1380.457631][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1380.457631][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1380.457631][ T1167] ___sys_sendmsg+0xee/0x170 [ 1380.457631][ T1167] __sys_sendmsg+0xcd/0x170 [ 1380.457631][ T1167] do_syscall_64+0xc6/0x1e0 [ 1380.457631][ T1167] [ 1380.460199][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1380.460199][ T1167] netdev_get_by_index+0x5e/0x80 [ 1380.460199][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1380.460199][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1380.460199][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1380.460199][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1380.460199][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1380.460199][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1380.460199][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1380.460199][ T1167] addrconf_dad_begin+0x310/0x670 [ 1380.460199][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1380.460199][ T1167] process_one_work+0x84d/0x18a0 [ 1380.460199][ T1167] worker_thread+0x587/0xd30 [ 1380.460199][ T1167] kthread+0x28a/0x350 [ 1380.460199][ T1167] ret_from_fork+0x31/0x70 [ 1380.460199][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1380.460199][ T1167] [ 1380.462421][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1380.462421][ T1167] netdev_get_by_index+0x5e/0x80 [ 1380.462421][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1380.462421][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1380.462421][ T1167] ip6_route_add+0x1c/0x140 [ 1380.462421][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1380.462421][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1380.462421][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1380.462421][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.462421][ T1167] netlink_rcv_skb+0x130/0x360 [ 1380.462421][ T1167] netlink_unicast+0x449/0x710 [ 1380.462421][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1380.462421][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1380.462421][ T1167] ___sys_sendmsg+0xee/0x170 [ 1380.462421][ T1167] __sys_sendmsg+0xcd/0x170 [ 1380.462421][ T1167] do_syscall_64+0xc6/0x1e0 [ 1380.462421][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.462421][ T1167] [ 1380.464713][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1380.464713][ T1167] netdev_get_by_index+0x5e/0x80 [ 1380.464713][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1380.464713][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1380.464713][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1380.464713][ T1167] ipv6_add_addr+0x411/0x2000 [ 1380.464713][ T1167] inet6_addr_add+0x30e/0xa40 [ 1380.464713][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1380.464713][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.464713][ T1167] netlink_rcv_skb+0x130/0x360 [ 1380.464713][ T1167] netlink_unicast+0x449/0x710 [ 1380.464713][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1380.464713][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1380.464713][ T1167] ___sys_sendmsg+0xee/0x170 [ 1380.464713][ T1167] __sys_sendmsg+0xcd/0x170 [ 1380.464713][ T1167] do_syscall_64+0xc6/0x1e0 [ 1380.464713][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.464713][ T1167] [ 1380.468007][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1380.468007][ T1167] netdev_get_by_index+0x5e/0x80 [ 1380.468007][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1380.468007][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1380.468007][ T1167] ip6_route_add+0x1c/0x140 [ 1380.468007][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1380.468007][ T1167] addrconf_add_dev+0xe2/0x170 [ 1380.468007][ T1167] inet6_addr_add+0x12f/0xa40 [ 1380.468007][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1380.468007][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.468007][ T1167] netlink_rcv_skb+0x130/0x360 [ 1380.468007][ T1167] netlink_unicast+0x449/0x710 [ 1380.468007][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1380.468007][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1380.468007][ T1167] ___sys_sendmsg+0xee/0x170 [ 1380.468007][ T1167] __sys_sendmsg+0xcd/0x170 [ 1380.468007][ T1167] do_syscall_64+0xc6/0x1e0 [ 1380.468007][ T1167] [ 1380.470988][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1380.470988][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1380.470988][ T1167] ipv6_find_idev+0x102/0x170 [ 1380.470988][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1380.470988][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.470988][ T1167] netlink_rcv_skb+0x130/0x360 [ 1380.470988][ T1167] netlink_unicast+0x449/0x710 [ 1380.470988][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1380.470988][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1380.470988][ T1167] ___sys_sendmsg+0xee/0x170 [ 1380.470988][ T1167] __sys_sendmsg+0xcd/0x170 [ 1380.470988][ T1167] do_syscall_64+0xc6/0x1e0 [ 1380.470988][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.470988][ T1167] [ 1380.472763][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1380.472763][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1380.472763][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1380.472763][ T1167] ipv6_find_idev+0x102/0x170 [ 1380.472763][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1380.472763][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1380.472763][ T1167] netlink_rcv_skb+0x130/0x360 [ 1380.472763][ T1167] netlink_unicast+0x449/0x710 [ 1380.472763][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1380.472763][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1380.472763][ T1167] ___sys_sendmsg+0xee/0x170 [ 1380.472763][ T1167] __sys_sendmsg+0xcd/0x170 [ 1380.472763][ T1167] do_syscall_64+0xc6/0x1e0 [ 1380.472763][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1380.472763][ T1167] [ 1382.505166][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1382.505586][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1382.505586][ T10] netdev_get_by_index+0x5e/0x80 [ 1382.505586][ T10] fib6_nh_init+0x3d8/0x1580 [ 1382.505586][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1382.505586][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1382.505586][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1382.505586][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1382.505586][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1382.505586][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1382.505586][ T10] addrconf_dad_begin+0x310/0x670 [ 1382.505586][ T10] addrconf_dad_work+0x10b/0xab0 [ 1382.505586][ T10] process_one_work+0x84d/0x18a0 [ 1382.505586][ T10] worker_thread+0x587/0xd30 [ 1382.505586][ T10] kthread+0x28a/0x350 [ 1382.505586][ T10] ret_from_fork+0x31/0x70 [ 1382.505586][ T10] ret_from_fork_asm+0x1a/0x30 [ 1382.505586][ T10] [ 1382.507804][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1382.507804][ T10] netdev_get_by_index+0x5e/0x80 [ 1382.507804][ T10] fib6_nh_init+0x3d8/0x1580 [ 1382.507804][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1382.507804][ T10] ip6_route_add+0x1c/0x140 [ 1382.507804][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1382.507804][ T10] inet6_addr_add+0x4f8/0xa40 [ 1382.507804][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1382.507804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1382.507804][ T10] netlink_rcv_skb+0x130/0x360 [ 1382.507804][ T10] netlink_unicast+0x449/0x710 [ 1382.507804][ T10] netlink_sendmsg+0x723/0xbe0 [ 1382.507804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1382.507804][ T10] ___sys_sendmsg+0xee/0x170 [ 1382.507804][ T10] __sys_sendmsg+0xcd/0x170 [ 1382.507804][ T10] do_syscall_64+0xc6/0x1e0 [ 1382.507804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1382.507804][ T10] [ 1382.509862][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1382.509862][ T10] netdev_get_by_index+0x5e/0x80 [ 1382.509862][ T10] fib6_nh_init+0x3d8/0x1580 [ 1382.509862][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1382.509862][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1382.509862][ T10] ipv6_add_addr+0x411/0x2000 [ 1382.509862][ T10] inet6_addr_add+0x30e/0xa40 [ 1382.509862][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1382.509862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1382.509862][ T10] netlink_rcv_skb+0x130/0x360 [ 1382.509862][ T10] netlink_unicast+0x449/0x710 [ 1382.509862][ T10] netlink_sendmsg+0x723/0xbe0 [ 1382.509862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1382.509862][ T10] ___sys_sendmsg+0xee/0x170 [ 1382.509862][ T10] __sys_sendmsg+0xcd/0x170 [ 1382.509862][ T10] do_syscall_64+0xc6/0x1e0 [ 1382.509862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1382.509862][ T10] [ 1382.511894][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1382.511894][ T10] netdev_get_by_index+0x5e/0x80 [ 1382.511894][ T10] fib6_nh_init+0x3d8/0x1580 [ 1382.511894][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1382.511894][ T10] ip6_route_add+0x1c/0x140 [ 1382.511894][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1382.511894][ T10] addrconf_add_dev+0xe2/0x170 [ 1382.511894][ T10] inet6_addr_add+0x12f/0xa40 [ 1382.511894][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1382.511894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1382.511894][ T10] netlink_rcv_skb+0x130/0x360 [ 1382.511894][ T10] netlink_unicast+0x449/0x710 [ 1382.511894][ T10] netlink_sendmsg+0x723/0xbe0 [ 1382.511894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1382.511894][ T10] ___sys_sendmsg+0xee/0x170 [ 1382.511894][ T10] __sys_sendmsg+0xcd/0x170 [ 1382.511894][ T10] do_syscall_64+0xc6/0x1e0 [ 1382.511894][ T10] [ 1382.513862][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1382.513862][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1382.513862][ T10] ipv6_find_idev+0x102/0x170 [ 1382.513862][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1382.513862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1382.513862][ T10] netlink_rcv_skb+0x130/0x360 [ 1382.513862][ T10] netlink_unicast+0x449/0x710 [ 1382.513862][ T10] netlink_sendmsg+0x723/0xbe0 [ 1382.513862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1382.513862][ T10] ___sys_sendmsg+0xee/0x170 [ 1382.513862][ T10] __sys_sendmsg+0xcd/0x170 [ 1382.513862][ T10] do_syscall_64+0xc6/0x1e0 [ 1382.513862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1382.513862][ T10] [ 1382.515418][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1382.515418][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1382.515418][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1382.515418][ T10] ipv6_find_idev+0x102/0x170 [ 1382.515418][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1382.515418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1382.515418][ T10] netlink_rcv_skb+0x130/0x360 [ 1382.515418][ T10] netlink_unicast+0x449/0x710 [ 1382.515418][ T10] netlink_sendmsg+0x723/0xbe0 [ 1382.515418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1382.515418][ T10] ___sys_sendmsg+0xee/0x170 [ 1382.515418][ T10] __sys_sendmsg+0xcd/0x170 [ 1382.515418][ T10] do_syscall_64+0xc6/0x1e0 [ 1382.515418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1382.515418][ T10] [ 1382.517139][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1382.517395][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1382.517395][ T10] netdev_get_by_index+0x5e/0x80 [ 1382.517395][ T10] fib6_nh_init+0x3d8/0x1580 [ 1382.517395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1382.517395][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1382.517395][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1382.517395][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1382.517395][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1382.517395][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1382.517395][ T10] addrconf_dad_begin+0x310/0x670 [ 1382.517395][ T10] addrconf_dad_work+0x10b/0xab0 [ 1382.517395][ T10] process_one_work+0x84d/0x18a0 [ 1382.517395][ T10] worker_thread+0x587/0xd30 [ 1382.517395][ T10] kthread+0x28a/0x350 [ 1382.517395][ T10] ret_from_fork+0x31/0x70 [ 1382.517395][ T10] ret_from_fork_asm+0x1a/0x30 [ 1382.517395][ T10] [ 1382.519319][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1382.519319][ T10] netdev_get_by_index+0x5e/0x80 [ 1382.519319][ T10] fib6_nh_init+0x3d8/0x1580 [ 1382.519319][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1382.519319][ T10] ip6_route_add+0x1c/0x140 [ 1382.519319][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1382.519319][ T10] inet6_addr_add+0x4f8/0xa40 [ 1382.519319][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1382.519319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1382.519319][ T10] netlink_rcv_skb+0x130/0x360 [ 1382.519319][ T10] netlink_unicast+0x449/0x710 [ 1382.519319][ T10] netlink_sendmsg+0x723/0xbe0 [ 1382.519319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1382.519319][ T10] ___sys_sendmsg+0xee/0x170 [ 1382.519319][ T10] __sys_sendmsg+0xcd/0x170 [ 1382.519319][ T10] do_syscall_64+0xc6/0x1e0 [ 1382.519319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1382.519319][ T10] [ 1382.521349][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1382.521349][ T10] netdev_get_by_index+0x5e/0x80 [ 1382.521349][ T10] fib6_nh_init+0x3d8/0x1580 [ 1382.521349][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1382.521349][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1382.521349][ T10] ipv6_add_addr+0x411/0x2000 [ 1382.521349][ T10] inet6_addr_add+0x30e/0xa40 [ 1382.521349][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1382.521349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1382.521349][ T10] netlink_rcv_skb+0x130/0x360 [ 1382.521349][ T10] netlink_unicast+0x449/0x710 [ 1382.521349][ T10] netlink_sendmsg+0x723/0xbe0 [ 1382.521349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1382.521349][ T10] ___sys_sendmsg+0xee/0x170 [ 1382.521349][ T10] __sys_sendmsg+0xcd/0x170 [ 1382.521349][ T10] do_syscall_64+0xc6/0x1e0 [ 1382.521349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1382.521349][ T10] [ 1382.523358][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1382.523358][ T10] netdev_get_by_index+0x5e/0x80 [ 1382.523358][ T10] fib6_nh_init+0x3d8/0x1580 [ 1382.523358][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1382.523358][ T10] ip6_route_add+0x1c/0x140 [ 1382.523358][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1382.523358][ T10] addrconf_add_dev+0xe2/0x170 [ 1382.523358][ T10] inet6_addr_add+0x12f/0xa40 [ 1382.523358][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1382.523358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1382.523358][ T10] netlink_rcv_skb+0x130/0x360 [ 1382.523358][ T10] netlink_unicast+0x449/0x710 [ 1382.523358][ T10] netlink_sendmsg+0x723/0xbe0 [ 1382.523358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1382.523358][ T10] ___sys_sendmsg+0xee/0x170 [ 1382.523358][ T10] __sys_sendmsg+0xcd/0x170 [ 1382.523358][ T10] do_syscall_64+0xc6/0x1e0 [ 1382.523358][ T10] [ 1382.525342][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1382.525342][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1382.525342][ T10] ipv6_find_idev+0x102/0x170 [ 1382.525342][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1382.525342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1382.525342][ T10] netlink_rcv_skb+0x130/0x360 [ 1382.525342][ T10] netlink_unicast+0x449/0x710 [ 1382.525342][ T10] netlink_sendmsg+0x723/0xbe0 [ 1382.525342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1382.525342][ T10] ___sys_sendmsg+0xee/0x170 [ 1382.525342][ T10] __sys_sendmsg+0xcd/0x170 [ 1382.525342][ T10] do_syscall_64+0xc6/0x1e0 [ 1382.525342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1382.525342][ T10] [ 1382.526888][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1382.526888][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1382.526888][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1382.526888][ T10] ipv6_find_idev+0x102/0x170 [ 1382.526888][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1382.526888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1382.526888][ T10] netlink_rcv_skb+0x130/0x360 [ 1382.526888][ T10] netlink_unicast+0x449/0x710 [ 1382.526888][ T10] netlink_sendmsg+0x723/0xbe0 [ 1382.526888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1382.526888][ T10] ___sys_sendmsg+0xee/0x170 [ 1382.526888][ T10] __sys_sendmsg+0xcd/0x170 [ 1382.526888][ T10] do_syscall_64+0xc6/0x1e0 [ 1382.526888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1382.526888][ T10] [ 1382.528605][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1382.528853][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1382.528853][ T10] netdev_get_by_index+0x5e/0x80 [ 1382.528853][ T10] fib6_nh_init+0x3d8/0x1580 [ 1382.528853][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1382.528853][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1382.528853][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1382.528853][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1382.528853][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1382.528853][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1382.528853][ T10] addrconf_dad_begin+0x310/0x670 [ 1382.528853][ T10] addrconf_dad_work+0x10b/0xab0 [ 1382.528853][ T10] process_one_work+0x84d/0x18a0 [ 1382.528853][ T10] worker_thread+0x587/0xd30 [ 1382.528853][ T10] kthread+0x28a/0x350 [ 1382.528853][ T10] ret_from_fork+0x31/0x70 [ 1382.528853][ T10] ret_from_fork_asm+0x1a/0x30 [ 1382.528853][ T10] [ 1382.530793][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1382.530793][ T10] netdev_get_by_index+0x5e/0x80 [ 1382.530793][ T10] fib6_nh_init+0x3d8/0x1580 [ 1382.530793][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1382.530793][ T10] ip6_route_add+0x1c/0x140 [ 1382.530793][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1382.530793][ T10] inet6_addr_add+0x4f8/0xa40 [ 1382.530793][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1382.530793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1382.530793][ T10] netlink_rcv_skb+0x130/0x360 [ 1382.530793][ T10] netlink_unicast+0x449/0x710 [ 1382.530793][ T10] netlink_sendmsg+0x723/0xbe0 [ 1382.530793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1382.530793][ T10] ___sys_sendmsg+0xee/0x170 [ 1382.530793][ T10] __sys_sendmsg+0xcd/0x170 [ 1382.530793][ T10] do_syscall_64+0xc6/0x1e0 [ 1382.530793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1382.530793][ T10] [ 1382.532960][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1382.532960][ T10] netdev_get_by_index+0x5e/0x80 [ 1382.532960][ T10] fib6_nh_init+0x3d8/0x1580 [ 1382.532960][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1382.532960][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1382.532960][ T10] ipv6_add_addr+0x411/0x2000 [ 1382.532960][ T10] inet6_addr_add+0x30e/0xa40 [ 1382.532960][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1382.532960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1382.532960][ T10] netlink_rcv_skb+0x130/0x360 [ 1382.532960][ T10] netlink_unicast+0x449/0x710 [ 1382.532960][ T10] netlink_sendmsg+0x723/0xbe0 [ 1382.532960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1382.532960][ T10] ___sys_sendmsg+0xee/0x170 [ 1382.532960][ T10] __sys_sendmsg+0xcd/0x170 [ 1382.532960][ T10] do_syscall_64+0xc6/0x1e0 [ 1382.532960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1382.532960][ T10] [ 1382.535191][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1382.535191][ T10] netdev_get_by_index+0x5e/0x80 [ 1382.535191][ T10] fib6_nh_init+0x3d8/0x1580 [ 1382.535191][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1382.535191][ T10] ip6_route_add+0x1c/0x140 [ 1382.535191][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1382.535191][ T10] addrconf_add_dev+0xe2/0x170 [ 1382.535191][ T10] inet6_addr_add+0x12f/0xa40 [ 1382.535191][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1382.535191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1382.535191][ T10] netlink_rcv_skb+0x130/0x360 [ 1382.535191][ T10] netlink_unicast+0x449/0x710 [ 1382.535191][ T10] netlink_sendmsg+0x723/0xbe0 [ 1382.535191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1382.535191][ T10] ___sys_sendmsg+0xee/0x170 [ 1382.535191][ T10] __sys_sendmsg+0xcd/0x170 [ 1382.535191][ T10] do_syscall_64+0xc6/0x1e0 [ 1382.535191][ T10] [ 1382.537315][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1382.537315][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1382.537315][ T10] ipv6_find_idev+0x102/0x170 [ 1382.537315][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1382.537315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1382.537315][ T10] netlink_rcv_skb+0x130/0x360 [ 1382.537315][ T10] netlink_unicast+0x449/0x710 [ 1382.537315][ T10] netlink_sendmsg+0x723/0xbe0 [ 1382.537315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1382.537315][ T10] ___sys_sendmsg+0xee/0x170 [ 1382.537315][ T10] __sys_sendmsg+0xcd/0x170 [ 1382.537315][ T10] do_syscall_64+0xc6/0x1e0 [ 1382.537315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1382.537315][ T10] [ 1382.538931][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1382.538931][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1382.538931][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1382.538931][ T10] ipv6_find_idev+0x102/0x170 [ 1382.538931][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1382.538931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1382.538931][ T10] netlink_rcv_skb+0x130/0x360 [ 1382.538931][ T10] netlink_unicast+0x449/0x710 [ 1382.538931][ T10] netlink_sendmsg+0x723/0xbe0 [ 1382.538931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1382.538931][ T10] ___sys_sendmsg+0xee/0x170 [ 1382.538931][ T10] __sys_sendmsg+0xcd/0x170 [ 1382.538931][ T10] do_syscall_64+0xc6/0x1e0 [ 1382.538931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1382.538931][ T10] [ 1382.540847][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1382.541537][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1382.541537][ T10] netdev_get_by_index+0x5e/0x80 [ 1382.541537][ T10] fib6_nh_init+0x3d8/0x1580 [ 1382.541537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1382.541537][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1382.541537][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1382.541537][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1382.541537][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1382.541537][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1382.541537][ T10] addrconf_dad_begin+0x310/0x670 [ 1382.541537][ T10] addrconf_dad_work+0x10b/0xab0 [ 1382.541537][ T10] process_one_work+0x84d/0x18a0 [ 1382.541537][ T10] worker_thread+0x587/0xd30 [ 1382.541537][ T10] kthread+0x28a/0x350 [ 1382.541537][ T10] ret_from_fork+0x31/0x70 [ 1382.541537][ T10] ret_from_fork_asm+0x1a/0x30 [ 1382.541537][ T10] [ 1382.543461][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1382.543461][ T10] netdev_get_by_index+0x5e/0x80 [ 1382.543461][ T10] fib6_nh_init+0x3d8/0x1580 [ 1382.543461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1382.543461][ T10] ip6_route_add+0x1c/0x140 [ 1382.543461][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1382.543461][ T10] inet6_addr_add+0x4f8/0xa40 [ 1382.543461][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1382.543461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1382.543461][ T10] netlink_rcv_skb+0x130/0x360 [ 1382.543461][ T10] netlink_unicast+0x449/0x710 [ 1382.543461][ T10] netlink_sendmsg+0x723/0xbe0 [ 1382.543461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1382.543461][ T10] ___sys_sendmsg+0xee/0x170 [ 1382.543461][ T10] __sys_sendmsg+0xcd/0x170 [ 1382.543461][ T10] do_syscall_64+0xc6/0x1e0 [ 1382.543461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1382.543461][ T10] [ 1382.545470][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1382.545470][ T10] netdev_get_by_index+0x5e/0x80 [ 1382.545470][ T10] fib6_nh_init+0x3d8/0x1580 [ 1382.545470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1382.545470][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1382.545470][ T10] ipv6_add_addr+0x411/0x2000 [ 1382.545470][ T10] inet6_addr_add+0x30e/0xa40 [ 1382.545470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1382.545470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1382.545470][ T10] netlink_rcv_skb+0x130/0x360 [ 1382.545470][ T10] netlink_unicast+0x449/0x710 [ 1382.545470][ T10] netlink_sendmsg+0x723/0xbe0 [ 1382.545470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1382.545470][ T10] ___sys_sendmsg+0xee/0x170 [ 1382.545470][ T10] __sys_sendmsg+0xcd/0x170 [ 1382.545470][ T10] do_syscall_64+0xc6/0x1e0 [ 1382.545470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1382.545470][ T10] [ 1382.547613][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1382.547613][ T10] netdev_get_by_index+0x5e/0x80 [ 1382.547613][ T10] fib6_nh_init+0x3d8/0x1580 [ 1382.547613][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1382.547613][ T10] ip6_route_add+0x1c/0x140 [ 1382.547613][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1382.547613][ T10] addrconf_add_dev+0xe2/0x170 [ 1382.547613][ T10] inet6_addr_add+0x12f/0xa40 [ 1382.547613][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1382.547613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1382.547613][ T10] netlink_rcv_skb+0x130/0x360 [ 1382.547613][ T10] netlink_unicast+0x449/0x710 [ 1382.547613][ T10] netlink_sendmsg+0x723/0xbe0 [ 1382.547613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1382.547613][ T10] ___sys_sendmsg+0xee/0x170 [ 1382.547613][ T10] __sys_sendmsg+0xcd/0x170 [ 1382.547613][ T10] do_syscall_64+0xc6/0x1e0 [ 1382.547613][ T10] [ 1382.549758][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1382.549758][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1382.549758][ T10] ipv6_find_idev+0x102/0x170 [ 1382.549758][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1382.549758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1382.549758][ T10] netlink_rcv_skb+0x130/0x360 [ 1382.549758][ T10] netlink_unicast+0x449/0x710 [ 1382.549758][ T10] netlink_sendmsg+0x723/0xbe0 [ 1382.549758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1382.549758][ T10] ___sys_sendmsg+0xee/0x170 [ 1382.549758][ T10] __sys_sendmsg+0xcd/0x170 [ 1382.549758][ T10] do_syscall_64+0xc6/0x1e0 [ 1382.549758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1382.549758][ T10] [ 1382.551369][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1382.551369][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1382.551369][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1382.551369][ T10] ipv6_find_idev+0x102/0x170 [ 1382.551369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1382.551369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1382.551369][ T10] netlink_rcv_skb+0x130/0x360 [ 1382.551369][ T10] netlink_unicast+0x449/0x710 [ 1382.551369][ T10] netlink_sendmsg+0x723/0xbe0 [ 1382.551369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1382.551369][ T10] ___sys_sendmsg+0xee/0x170 [ 1382.551369][ T10] __sys_sendmsg+0xcd/0x170 [ 1382.551369][ T10] do_syscall_64+0xc6/0x1e0 [ 1382.551369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1382.551369][ T10] [ 1390.713151][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1390.713615][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1390.713615][ T1167] dst_init+0x84/0x4a0 [ 1390.713615][ T1167] dst_alloc+0x97/0x150 [ 1390.713615][ T1167] ip6_dst_alloc+0x23/0x90 [ 1390.713615][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1390.713615][ T1167] ip6_pol_route+0x56f/0x840 [ 1390.713615][ T1167] fib6_rule_lookup+0x334/0x630 [ 1390.713615][ T1167] ip6_route_output_flags+0x259/0x480 [ 1390.713615][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1390.713615][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1390.713615][ T1167] netlink_rcv_skb+0x130/0x360 [ 1390.713615][ T1167] netlink_unicast+0x449/0x710 [ 1390.713615][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1390.713615][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1390.713615][ T1167] ___sys_sendmsg+0xee/0x170 [ 1390.713615][ T1167] __sys_sendmsg+0xcd/0x170 [ 1390.713615][ T1167] do_syscall_64+0xc6/0x1e0 [ 1390.713615][ T1167] [ 1390.715883][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1390.715883][ T1167] netdev_get_by_index+0x5e/0x80 [ 1390.715883][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1390.715883][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1390.715883][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1390.715883][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1390.715883][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1390.715883][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1390.715883][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1390.715883][ T1167] addrconf_dad_begin+0x310/0x670 [ 1390.715883][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1390.715883][ T1167] process_one_work+0x84d/0x18a0 [ 1390.715883][ T1167] worker_thread+0x587/0xd30 [ 1390.715883][ T1167] kthread+0x28a/0x350 [ 1390.715883][ T1167] ret_from_fork+0x31/0x70 [ 1390.715883][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1390.715883][ T1167] [ 1390.718516][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1390.718516][ T1167] netdev_get_by_index+0x5e/0x80 [ 1390.718516][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1390.718516][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1390.718516][ T1167] ip6_route_add+0x1c/0x140 [ 1390.718516][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1390.718516][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1390.718516][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1390.718516][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.718516][ T1167] netlink_rcv_skb+0x130/0x360 [ 1390.718516][ T1167] netlink_unicast+0x449/0x710 [ 1390.718516][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1390.718516][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1390.718516][ T1167] ___sys_sendmsg+0xee/0x170 [ 1390.718516][ T1167] __sys_sendmsg+0xcd/0x170 [ 1390.718516][ T1167] do_syscall_64+0xc6/0x1e0 [ 1390.718516][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.718516][ T1167] [ 1390.722713][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1390.722713][ T1167] netdev_get_by_index+0x5e/0x80 [ 1390.722713][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1390.722713][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1390.722713][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1390.722713][ T1167] ipv6_add_addr+0x411/0x2000 [ 1390.722713][ T1167] inet6_addr_add+0x30e/0xa40 [ 1390.722713][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1390.722713][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.722713][ T1167] netlink_rcv_skb+0x130/0x360 [ 1390.722713][ T1167] netlink_unicast+0x449/0x710 [ 1390.722713][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1390.722713][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1390.722713][ T1167] ___sys_sendmsg+0xee/0x170 [ 1390.722713][ T1167] __sys_sendmsg+0xcd/0x170 [ 1390.722713][ T1167] do_syscall_64+0xc6/0x1e0 [ 1390.722713][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.722713][ T1167] [ 1390.725009][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1390.725009][ T1167] netdev_get_by_index+0x5e/0x80 [ 1390.725009][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1390.725009][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1390.725009][ T1167] ip6_route_add+0x1c/0x140 [ 1390.725009][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1390.725009][ T1167] addrconf_add_dev+0xe2/0x170 [ 1390.725009][ T1167] inet6_addr_add+0x12f/0xa40 [ 1390.725009][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1390.725009][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.725009][ T1167] netlink_rcv_skb+0x130/0x360 [ 1390.725009][ T1167] netlink_unicast+0x449/0x710 [ 1390.725009][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1390.725009][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1390.725009][ T1167] ___sys_sendmsg+0xee/0x170 [ 1390.725009][ T1167] __sys_sendmsg+0xcd/0x170 [ 1390.725009][ T1167] do_syscall_64+0xc6/0x1e0 [ 1390.725009][ T1167] [ 1390.728502][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1390.728502][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1390.728502][ T1167] ipv6_find_idev+0x102/0x170 [ 1390.728502][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1390.728502][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.728502][ T1167] netlink_rcv_skb+0x130/0x360 [ 1390.728502][ T1167] netlink_unicast+0x449/0x710 [ 1390.728502][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1390.728502][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1390.728502][ T1167] ___sys_sendmsg+0xee/0x170 [ 1390.728502][ T1167] __sys_sendmsg+0xcd/0x170 [ 1390.728502][ T1167] do_syscall_64+0xc6/0x1e0 [ 1390.728502][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.728502][ T1167] [ 1390.730712][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1390.730712][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1390.730712][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1390.730712][ T1167] ipv6_find_idev+0x102/0x170 [ 1390.730712][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1390.730712][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1390.730712][ T1167] netlink_rcv_skb+0x130/0x360 [ 1390.730712][ T1167] netlink_unicast+0x449/0x710 [ 1390.730712][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1390.730712][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1390.730712][ T1167] ___sys_sendmsg+0xee/0x170 [ 1390.730712][ T1167] __sys_sendmsg+0xcd/0x170 [ 1390.730712][ T1167] do_syscall_64+0xc6/0x1e0 [ 1390.730712][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1390.730712][ T1167] [ 1392.793126][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1392.793614][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1392.793614][ T10] netdev_get_by_index+0x5e/0x80 [ 1392.793614][ T10] fib6_nh_init+0x3d8/0x1580 [ 1392.793614][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1392.793614][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1392.793614][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1392.793614][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1392.793614][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1392.793614][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1392.793614][ T10] addrconf_dad_begin+0x310/0x670 [ 1392.793614][ T10] addrconf_dad_work+0x10b/0xab0 [ 1392.793614][ T10] process_one_work+0x84d/0x18a0 [ 1392.793614][ T10] worker_thread+0x587/0xd30 [ 1392.793614][ T10] kthread+0x28a/0x350 [ 1392.793614][ T10] ret_from_fork+0x31/0x70 [ 1392.793614][ T10] ret_from_fork_asm+0x1a/0x30 [ 1392.793614][ T10] [ 1392.795804][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1392.795804][ T10] netdev_get_by_index+0x5e/0x80 [ 1392.795804][ T10] fib6_nh_init+0x3d8/0x1580 [ 1392.795804][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1392.795804][ T10] ip6_route_add+0x1c/0x140 [ 1392.795804][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1392.795804][ T10] inet6_addr_add+0x4f8/0xa40 [ 1392.795804][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1392.795804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1392.795804][ T10] netlink_rcv_skb+0x130/0x360 [ 1392.795804][ T10] netlink_unicast+0x449/0x710 [ 1392.795804][ T10] netlink_sendmsg+0x723/0xbe0 [ 1392.795804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1392.795804][ T10] ___sys_sendmsg+0xee/0x170 [ 1392.795804][ T10] __sys_sendmsg+0xcd/0x170 [ 1392.795804][ T10] do_syscall_64+0xc6/0x1e0 [ 1392.795804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1392.795804][ T10] [ 1392.798059][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1392.798059][ T10] netdev_get_by_index+0x5e/0x80 [ 1392.798059][ T10] fib6_nh_init+0x3d8/0x1580 [ 1392.798059][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1392.798059][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1392.798059][ T10] ipv6_add_addr+0x411/0x2000 [ 1392.798059][ T10] inet6_addr_add+0x30e/0xa40 [ 1392.798059][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1392.798059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1392.798059][ T10] netlink_rcv_skb+0x130/0x360 [ 1392.798059][ T10] netlink_unicast+0x449/0x710 [ 1392.798059][ T10] netlink_sendmsg+0x723/0xbe0 [ 1392.798059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1392.798059][ T10] ___sys_sendmsg+0xee/0x170 [ 1392.798059][ T10] __sys_sendmsg+0xcd/0x170 [ 1392.798059][ T10] do_syscall_64+0xc6/0x1e0 [ 1392.798059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1392.798059][ T10] [ 1392.800311][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1392.800311][ T10] netdev_get_by_index+0x5e/0x80 [ 1392.800311][ T10] fib6_nh_init+0x3d8/0x1580 [ 1392.800311][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1392.800311][ T10] ip6_route_add+0x1c/0x140 [ 1392.800311][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1392.800311][ T10] addrconf_add_dev+0xe2/0x170 [ 1392.800311][ T10] inet6_addr_add+0x12f/0xa40 [ 1392.800311][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1392.800311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1392.800311][ T10] netlink_rcv_skb+0x130/0x360 [ 1392.800311][ T10] netlink_unicast+0x449/0x710 [ 1392.800311][ T10] netlink_sendmsg+0x723/0xbe0 [ 1392.800311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1392.800311][ T10] ___sys_sendmsg+0xee/0x170 [ 1392.800311][ T10] __sys_sendmsg+0xcd/0x170 [ 1392.800311][ T10] do_syscall_64+0xc6/0x1e0 [ 1392.800311][ T10] [ 1392.802532][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1392.802532][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1392.802532][ T10] ipv6_find_idev+0x102/0x170 [ 1392.802532][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1392.802532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1392.802532][ T10] netlink_rcv_skb+0x130/0x360 [ 1392.802532][ T10] netlink_unicast+0x449/0x710 [ 1392.802532][ T10] netlink_sendmsg+0x723/0xbe0 [ 1392.802532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1392.802532][ T10] ___sys_sendmsg+0xee/0x170 [ 1392.802532][ T10] __sys_sendmsg+0xcd/0x170 [ 1392.802532][ T10] do_syscall_64+0xc6/0x1e0 [ 1392.802532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1392.802532][ T10] [ 1392.804661][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1392.804661][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1392.804661][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1392.804661][ T10] ipv6_find_idev+0x102/0x170 [ 1392.804661][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1392.804661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1392.804661][ T10] netlink_rcv_skb+0x130/0x360 [ 1392.804661][ T10] netlink_unicast+0x449/0x710 [ 1392.804661][ T10] netlink_sendmsg+0x723/0xbe0 [ 1392.804661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1392.804661][ T10] ___sys_sendmsg+0xee/0x170 [ 1392.804661][ T10] __sys_sendmsg+0xcd/0x170 [ 1392.804661][ T10] do_syscall_64+0xc6/0x1e0 [ 1392.804661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1392.804661][ T10] [ 1392.806581][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1392.806853][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1392.806853][ T10] netdev_get_by_index+0x5e/0x80 [ 1392.806853][ T10] fib6_nh_init+0x3d8/0x1580 [ 1392.806853][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1392.806853][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1392.806853][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1392.806853][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1392.806853][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1392.806853][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1392.806853][ T10] addrconf_dad_begin+0x310/0x670 [ 1392.806853][ T10] addrconf_dad_work+0x10b/0xab0 [ 1392.806853][ T10] process_one_work+0x84d/0x18a0 [ 1392.806853][ T10] worker_thread+0x587/0xd30 [ 1392.806853][ T10] kthread+0x28a/0x350 [ 1392.806853][ T10] ret_from_fork+0x31/0x70 [ 1392.806853][ T10] ret_from_fork_asm+0x1a/0x30 [ 1392.806853][ T10] [ 1392.809006][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1392.809006][ T10] netdev_get_by_index+0x5e/0x80 [ 1392.809006][ T10] fib6_nh_init+0x3d8/0x1580 [ 1392.809006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1392.809006][ T10] ip6_route_add+0x1c/0x140 [ 1392.809006][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1392.809006][ T10] inet6_addr_add+0x4f8/0xa40 [ 1392.809006][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1392.809006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1392.809006][ T10] netlink_rcv_skb+0x130/0x360 [ 1392.809006][ T10] netlink_unicast+0x449/0x710 [ 1392.809006][ T10] netlink_sendmsg+0x723/0xbe0 [ 1392.809006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1392.809006][ T10] ___sys_sendmsg+0xee/0x170 [ 1392.809006][ T10] __sys_sendmsg+0xcd/0x170 [ 1392.809006][ T10] do_syscall_64+0xc6/0x1e0 [ 1392.809006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1392.809006][ T10] [ 1392.811252][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1392.811252][ T10] netdev_get_by_index+0x5e/0x80 [ 1392.811252][ T10] fib6_nh_init+0x3d8/0x1580 [ 1392.811252][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1392.811252][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1392.811252][ T10] ipv6_add_addr+0x411/0x2000 [ 1392.811252][ T10] inet6_addr_add+0x30e/0xa40 [ 1392.811252][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1392.811252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1392.811252][ T10] netlink_rcv_skb+0x130/0x360 [ 1392.811252][ T10] netlink_unicast+0x449/0x710 [ 1392.811252][ T10] netlink_sendmsg+0x723/0xbe0 [ 1392.811252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1392.811252][ T10] ___sys_sendmsg+0xee/0x170 [ 1392.811252][ T10] __sys_sendmsg+0xcd/0x170 [ 1392.811252][ T10] do_syscall_64+0xc6/0x1e0 [ 1392.811252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1392.811252][ T10] [ 1392.813531][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1392.813531][ T10] netdev_get_by_index+0x5e/0x80 [ 1392.813531][ T10] fib6_nh_init+0x3d8/0x1580 [ 1392.813531][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1392.813531][ T10] ip6_route_add+0x1c/0x140 [ 1392.813531][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1392.813531][ T10] addrconf_add_dev+0xe2/0x170 [ 1392.813531][ T10] inet6_addr_add+0x12f/0xa40 [ 1392.813531][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1392.813531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1392.813531][ T10] netlink_rcv_skb+0x130/0x360 [ 1392.813531][ T10] netlink_unicast+0x449/0x710 [ 1392.813531][ T10] netlink_sendmsg+0x723/0xbe0 [ 1392.813531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1392.813531][ T10] ___sys_sendmsg+0xee/0x170 [ 1392.813531][ T10] __sys_sendmsg+0xcd/0x170 [ 1392.813531][ T10] do_syscall_64+0xc6/0x1e0 [ 1392.813531][ T10] [ 1392.815760][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1392.815760][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1392.815760][ T10] ipv6_find_idev+0x102/0x170 [ 1392.815760][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1392.815760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1392.815760][ T10] netlink_rcv_skb+0x130/0x360 [ 1392.815760][ T10] netlink_unicast+0x449/0x710 [ 1392.815760][ T10] netlink_sendmsg+0x723/0xbe0 [ 1392.815760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1392.815760][ T10] ___sys_sendmsg+0xee/0x170 [ 1392.815760][ T10] __sys_sendmsg+0xcd/0x170 [ 1392.815760][ T10] do_syscall_64+0xc6/0x1e0 [ 1392.815760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1392.815760][ T10] [ 1392.817495][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1392.817495][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1392.817495][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1392.817495][ T10] ipv6_find_idev+0x102/0x170 [ 1392.817495][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1392.817495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1392.817495][ T10] netlink_rcv_skb+0x130/0x360 [ 1392.817495][ T10] netlink_unicast+0x449/0x710 [ 1392.817495][ T10] netlink_sendmsg+0x723/0xbe0 [ 1392.817495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1392.817495][ T10] ___sys_sendmsg+0xee/0x170 [ 1392.817495][ T10] __sys_sendmsg+0xcd/0x170 [ 1392.817495][ T10] do_syscall_64+0xc6/0x1e0 [ 1392.817495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1392.817495][ T10] [ 1392.819403][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1392.819677][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1392.819677][ T10] netdev_get_by_index+0x5e/0x80 [ 1392.819677][ T10] fib6_nh_init+0x3d8/0x1580 [ 1392.819677][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1392.819677][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1392.819677][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1392.819677][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1392.819677][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1392.819677][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1392.819677][ T10] addrconf_dad_begin+0x310/0x670 [ 1392.819677][ T10] addrconf_dad_work+0x10b/0xab0 [ 1392.819677][ T10] process_one_work+0x84d/0x18a0 [ 1392.819677][ T10] worker_thread+0x587/0xd30 [ 1392.819677][ T10] kthread+0x28a/0x350 [ 1392.819677][ T10] ret_from_fork+0x31/0x70 [ 1392.819677][ T10] ret_from_fork_asm+0x1a/0x30 [ 1392.819677][ T10] [ 1392.821836][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1392.821836][ T10] netdev_get_by_index+0x5e/0x80 [ 1392.821836][ T10] fib6_nh_init+0x3d8/0x1580 [ 1392.821836][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1392.821836][ T10] ip6_route_add+0x1c/0x140 [ 1392.821836][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1392.821836][ T10] inet6_addr_add+0x4f8/0xa40 [ 1392.821836][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1392.821836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1392.821836][ T10] netlink_rcv_skb+0x130/0x360 [ 1392.821836][ T10] netlink_unicast+0x449/0x710 [ 1392.821836][ T10] netlink_sendmsg+0x723/0xbe0 [ 1392.821836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1392.821836][ T10] ___sys_sendmsg+0xee/0x170 [ 1392.821836][ T10] __sys_sendmsg+0xcd/0x170 [ 1392.821836][ T10] do_syscall_64+0xc6/0x1e0 [ 1392.821836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1392.821836][ T10] [ 1392.824204][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1392.824204][ T10] netdev_get_by_index+0x5e/0x80 [ 1392.824204][ T10] fib6_nh_init+0x3d8/0x1580 [ 1392.824204][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1392.824204][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1392.824204][ T10] ipv6_add_addr+0x411/0x2000 [ 1392.824204][ T10] inet6_addr_add+0x30e/0xa40 [ 1392.824204][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1392.824204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1392.824204][ T10] netlink_rcv_skb+0x130/0x360 [ 1392.824204][ T10] netlink_unicast+0x449/0x710 [ 1392.824204][ T10] netlink_sendmsg+0x723/0xbe0 [ 1392.824204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1392.824204][ T10] ___sys_sendmsg+0xee/0x170 [ 1392.824204][ T10] __sys_sendmsg+0xcd/0x170 [ 1392.824204][ T10] do_syscall_64+0xc6/0x1e0 [ 1392.824204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1392.824204][ T10] [ 1392.826664][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1392.826664][ T10] netdev_get_by_index+0x5e/0x80 [ 1392.826664][ T10] fib6_nh_init+0x3d8/0x1580 [ 1392.826664][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1392.826664][ T10] ip6_route_add+0x1c/0x140 [ 1392.826664][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1392.826664][ T10] addrconf_add_dev+0xe2/0x170 [ 1392.826664][ T10] inet6_addr_add+0x12f/0xa40 [ 1392.826664][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1392.826664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1392.826664][ T10] netlink_rcv_skb+0x130/0x360 [ 1392.826664][ T10] netlink_unicast+0x449/0x710 [ 1392.826664][ T10] netlink_sendmsg+0x723/0xbe0 [ 1392.826664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1392.826664][ T10] ___sys_sendmsg+0xee/0x170 [ 1392.826664][ T10] __sys_sendmsg+0xcd/0x170 [ 1392.826664][ T10] do_syscall_64+0xc6/0x1e0 [ 1392.826664][ T10] [ 1392.829014][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1392.829014][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1392.829014][ T10] ipv6_find_idev+0x102/0x170 [ 1392.829014][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1392.829014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1392.829014][ T10] netlink_rcv_skb+0x130/0x360 [ 1392.829014][ T10] netlink_unicast+0x449/0x710 [ 1392.829014][ T10] netlink_sendmsg+0x723/0xbe0 [ 1392.829014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1392.829014][ T10] ___sys_sendmsg+0xee/0x170 [ 1392.829014][ T10] __sys_sendmsg+0xcd/0x170 [ 1392.829014][ T10] do_syscall_64+0xc6/0x1e0 [ 1392.829014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1392.829014][ T10] [ 1392.830807][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1392.830807][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1392.830807][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1392.830807][ T10] ipv6_find_idev+0x102/0x170 [ 1392.830807][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1392.830807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1392.830807][ T10] netlink_rcv_skb+0x130/0x360 [ 1392.830807][ T10] netlink_unicast+0x449/0x710 [ 1392.830807][ T10] netlink_sendmsg+0x723/0xbe0 [ 1392.830807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1392.830807][ T10] ___sys_sendmsg+0xee/0x170 [ 1392.830807][ T10] __sys_sendmsg+0xcd/0x170 [ 1392.830807][ T10] do_syscall_64+0xc6/0x1e0 [ 1392.830807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1392.830807][ T10] [ 1392.832855][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1392.833571][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1392.833571][ T10] netdev_get_by_index+0x5e/0x80 [ 1392.833571][ T10] fib6_nh_init+0x3d8/0x1580 [ 1392.833571][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1392.833571][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1392.833571][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1392.833571][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1392.833571][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1392.833571][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1392.833571][ T10] addrconf_dad_begin+0x310/0x670 [ 1392.833571][ T10] addrconf_dad_work+0x10b/0xab0 [ 1392.833571][ T10] process_one_work+0x84d/0x18a0 [ 1392.833571][ T10] worker_thread+0x587/0xd30 [ 1392.833571][ T10] kthread+0x28a/0x350 [ 1392.833571][ T10] ret_from_fork+0x31/0x70 [ 1392.833571][ T10] ret_from_fork_asm+0x1a/0x30 [ 1392.833571][ T10] [ 1392.835721][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1392.835721][ T10] netdev_get_by_index+0x5e/0x80 [ 1392.835721][ T10] fib6_nh_init+0x3d8/0x1580 [ 1392.835721][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1392.835721][ T10] ip6_route_add+0x1c/0x140 [ 1392.835721][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1392.835721][ T10] inet6_addr_add+0x4f8/0xa40 [ 1392.835721][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1392.835721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1392.835721][ T10] netlink_rcv_skb+0x130/0x360 [ 1392.835721][ T10] netlink_unicast+0x449/0x710 [ 1392.835721][ T10] netlink_sendmsg+0x723/0xbe0 [ 1392.835721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1392.835721][ T10] ___sys_sendmsg+0xee/0x170 [ 1392.835721][ T10] __sys_sendmsg+0xcd/0x170 [ 1392.835721][ T10] do_syscall_64+0xc6/0x1e0 [ 1392.835721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1392.835721][ T10] [ 1392.838038][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1392.838038][ T10] netdev_get_by_index+0x5e/0x80 [ 1392.838038][ T10] fib6_nh_init+0x3d8/0x1580 [ 1392.838038][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1392.838038][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1392.838038][ T10] ipv6_add_addr+0x411/0x2000 [ 1392.838038][ T10] inet6_addr_add+0x30e/0xa40 [ 1392.838038][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1392.838038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1392.838038][ T10] netlink_rcv_skb+0x130/0x360 [ 1392.838038][ T10] netlink_unicast+0x449/0x710 [ 1392.838038][ T10] netlink_sendmsg+0x723/0xbe0 [ 1392.838038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1392.838038][ T10] ___sys_sendmsg+0xee/0x170 [ 1392.838038][ T10] __sys_sendmsg+0xcd/0x170 [ 1392.838038][ T10] do_syscall_64+0xc6/0x1e0 [ 1392.838038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1392.838038][ T10] [ 1392.840468][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1392.840468][ T10] netdev_get_by_index+0x5e/0x80 [ 1392.840468][ T10] fib6_nh_init+0x3d8/0x1580 [ 1392.840468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1392.840468][ T10] ip6_route_add+0x1c/0x140 [ 1392.840468][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1392.840468][ T10] addrconf_add_dev+0xe2/0x170 [ 1392.840468][ T10] inet6_addr_add+0x12f/0xa40 [ 1392.840468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1392.840468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1392.840468][ T10] netlink_rcv_skb+0x130/0x360 [ 1392.840468][ T10] netlink_unicast+0x449/0x710 [ 1392.840468][ T10] netlink_sendmsg+0x723/0xbe0 [ 1392.840468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1392.840468][ T10] ___sys_sendmsg+0xee/0x170 [ 1392.840468][ T10] __sys_sendmsg+0xcd/0x170 [ 1392.840468][ T10] do_syscall_64+0xc6/0x1e0 [ 1392.840468][ T10] [ 1392.842756][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1392.842756][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1392.842756][ T10] ipv6_find_idev+0x102/0x170 [ 1392.842756][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1392.842756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1392.842756][ T10] netlink_rcv_skb+0x130/0x360 [ 1392.842756][ T10] netlink_unicast+0x449/0x710 [ 1392.842756][ T10] netlink_sendmsg+0x723/0xbe0 [ 1392.842756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1392.842756][ T10] ___sys_sendmsg+0xee/0x170 [ 1392.842756][ T10] __sys_sendmsg+0xcd/0x170 [ 1392.842756][ T10] do_syscall_64+0xc6/0x1e0 [ 1392.842756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1392.842756][ T10] [ 1392.844718][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1392.844718][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1392.844718][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1392.844718][ T10] ipv6_find_idev+0x102/0x170 [ 1392.844718][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1392.844718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1392.844718][ T10] netlink_rcv_skb+0x130/0x360 [ 1392.844718][ T10] netlink_unicast+0x449/0x710 [ 1392.844718][ T10] netlink_sendmsg+0x723/0xbe0 [ 1392.844718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1392.844718][ T10] ___sys_sendmsg+0xee/0x170 [ 1392.844718][ T10] __sys_sendmsg+0xcd/0x170 [ 1392.844718][ T10] do_syscall_64+0xc6/0x1e0 [ 1392.844718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1392.844718][ T10] [ 1400.969097][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1400.969560][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1400.969560][ T1167] dst_init+0x84/0x4a0 [ 1400.969560][ T1167] dst_alloc+0x97/0x150 [ 1400.969560][ T1167] ip6_dst_alloc+0x23/0x90 [ 1400.969560][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1400.969560][ T1167] ip6_pol_route+0x56f/0x840 [ 1400.969560][ T1167] fib6_rule_lookup+0x334/0x630 [ 1400.969560][ T1167] ip6_route_output_flags+0x259/0x480 [ 1400.969560][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1400.969560][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1400.969560][ T1167] netlink_rcv_skb+0x130/0x360 [ 1400.969560][ T1167] netlink_unicast+0x449/0x710 [ 1400.969560][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1400.969560][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1400.969560][ T1167] ___sys_sendmsg+0xee/0x170 [ 1400.969560][ T1167] __sys_sendmsg+0xcd/0x170 [ 1400.969560][ T1167] do_syscall_64+0xc6/0x1e0 [ 1400.969560][ T1167] [ 1400.972291][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1400.972291][ T1167] netdev_get_by_index+0x5e/0x80 [ 1400.972291][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1400.972291][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1400.972291][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1400.972291][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1400.972291][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1400.972291][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1400.972291][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1400.972291][ T1167] addrconf_dad_begin+0x310/0x670 [ 1400.972291][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1400.972291][ T1167] process_one_work+0x84d/0x18a0 [ 1400.972291][ T1167] worker_thread+0x587/0xd30 [ 1400.972291][ T1167] kthread+0x28a/0x350 [ 1400.972291][ T1167] ret_from_fork+0x31/0x70 [ 1400.972291][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1400.972291][ T1167] [ 1400.974457][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1400.974457][ T1167] netdev_get_by_index+0x5e/0x80 [ 1400.974457][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1400.974457][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1400.974457][ T1167] ip6_route_add+0x1c/0x140 [ 1400.974457][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1400.974457][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1400.974457][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1400.974457][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.974457][ T1167] netlink_rcv_skb+0x130/0x360 [ 1400.974457][ T1167] netlink_unicast+0x449/0x710 [ 1400.974457][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1400.974457][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1400.974457][ T1167] ___sys_sendmsg+0xee/0x170 [ 1400.974457][ T1167] __sys_sendmsg+0xcd/0x170 [ 1400.974457][ T1167] do_syscall_64+0xc6/0x1e0 [ 1400.974457][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.974457][ T1167] [ 1400.977887][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1400.977887][ T1167] netdev_get_by_index+0x5e/0x80 [ 1400.977887][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1400.977887][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1400.977887][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1400.977887][ T1167] ipv6_add_addr+0x411/0x2000 [ 1400.977887][ T1167] inet6_addr_add+0x30e/0xa40 [ 1400.977887][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1400.977887][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.977887][ T1167] netlink_rcv_skb+0x130/0x360 [ 1400.977887][ T1167] netlink_unicast+0x449/0x710 [ 1400.977887][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1400.977887][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1400.977887][ T1167] ___sys_sendmsg+0xee/0x170 [ 1400.977887][ T1167] __sys_sendmsg+0xcd/0x170 [ 1400.977887][ T1167] do_syscall_64+0xc6/0x1e0 [ 1400.977887][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.977887][ T1167] [ 1400.980776][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1400.980776][ T1167] netdev_get_by_index+0x5e/0x80 [ 1400.980776][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1400.980776][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1400.980776][ T1167] ip6_route_add+0x1c/0x140 [ 1400.980776][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1400.980776][ T1167] addrconf_add_dev+0xe2/0x170 [ 1400.980776][ T1167] inet6_addr_add+0x12f/0xa40 [ 1400.980776][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1400.980776][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.980776][ T1167] netlink_rcv_skb+0x130/0x360 [ 1400.980776][ T1167] netlink_unicast+0x449/0x710 [ 1400.980776][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1400.980776][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1400.980776][ T1167] ___sys_sendmsg+0xee/0x170 [ 1400.980776][ T1167] __sys_sendmsg+0xcd/0x170 [ 1400.980776][ T1167] do_syscall_64+0xc6/0x1e0 [ 1400.980776][ T1167] [ 1400.983155][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1400.983155][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1400.983155][ T1167] ipv6_find_idev+0x102/0x170 [ 1400.983155][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1400.983155][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.983155][ T1167] netlink_rcv_skb+0x130/0x360 [ 1400.983155][ T1167] netlink_unicast+0x449/0x710 [ 1400.983155][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1400.983155][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1400.983155][ T1167] ___sys_sendmsg+0xee/0x170 [ 1400.983155][ T1167] __sys_sendmsg+0xcd/0x170 [ 1400.983155][ T1167] do_syscall_64+0xc6/0x1e0 [ 1400.983155][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.983155][ T1167] [ 1400.985963][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1400.985963][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1400.985963][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1400.985963][ T1167] ipv6_find_idev+0x102/0x170 [ 1400.985963][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1400.985963][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1400.985963][ T1167] netlink_rcv_skb+0x130/0x360 [ 1400.985963][ T1167] netlink_unicast+0x449/0x710 [ 1400.985963][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1400.985963][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1400.985963][ T1167] ___sys_sendmsg+0xee/0x170 [ 1400.985963][ T1167] __sys_sendmsg+0xcd/0x170 [ 1400.985963][ T1167] do_syscall_64+0xc6/0x1e0 [ 1400.985963][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1400.985963][ T1167] [ 1403.089076][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1403.089495][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1403.089495][ T10] netdev_get_by_index+0x5e/0x80 [ 1403.089495][ T10] fib6_nh_init+0x3d8/0x1580 [ 1403.089495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1403.089495][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1403.089495][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1403.089495][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1403.089495][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1403.089495][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1403.089495][ T10] addrconf_dad_begin+0x310/0x670 [ 1403.089495][ T10] addrconf_dad_work+0x10b/0xab0 [ 1403.089495][ T10] process_one_work+0x84d/0x18a0 [ 1403.089495][ T10] worker_thread+0x587/0xd30 [ 1403.089495][ T10] kthread+0x28a/0x350 [ 1403.089495][ T10] ret_from_fork+0x31/0x70 [ 1403.089495][ T10] ret_from_fork_asm+0x1a/0x30 [ 1403.089495][ T10] [ 1403.091710][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1403.091710][ T10] netdev_get_by_index+0x5e/0x80 [ 1403.091710][ T10] fib6_nh_init+0x3d8/0x1580 [ 1403.091710][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1403.091710][ T10] ip6_route_add+0x1c/0x140 [ 1403.091710][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1403.091710][ T10] inet6_addr_add+0x4f8/0xa40 [ 1403.091710][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1403.091710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.091710][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.091710][ T10] netlink_unicast+0x449/0x710 [ 1403.091710][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.091710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.091710][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.091710][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.091710][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.091710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.091710][ T10] [ 1403.093953][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1403.093953][ T10] netdev_get_by_index+0x5e/0x80 [ 1403.093953][ T10] fib6_nh_init+0x3d8/0x1580 [ 1403.093953][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1403.093953][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1403.093953][ T10] ipv6_add_addr+0x411/0x2000 [ 1403.093953][ T10] inet6_addr_add+0x30e/0xa40 [ 1403.093953][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1403.093953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.093953][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.093953][ T10] netlink_unicast+0x449/0x710 [ 1403.093953][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.093953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.093953][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.093953][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.093953][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.093953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.093953][ T10] [ 1403.096206][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1403.096206][ T10] netdev_get_by_index+0x5e/0x80 [ 1403.096206][ T10] fib6_nh_init+0x3d8/0x1580 [ 1403.096206][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1403.096206][ T10] ip6_route_add+0x1c/0x140 [ 1403.096206][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1403.096206][ T10] addrconf_add_dev+0xe2/0x170 [ 1403.096206][ T10] inet6_addr_add+0x12f/0xa40 [ 1403.096206][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1403.096206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.096206][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.096206][ T10] netlink_unicast+0x449/0x710 [ 1403.096206][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.096206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.096206][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.096206][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.096206][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.096206][ T10] [ 1403.098432][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1403.098432][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1403.098432][ T10] ipv6_find_idev+0x102/0x170 [ 1403.098432][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1403.098432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.098432][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.098432][ T10] netlink_unicast+0x449/0x710 [ 1403.098432][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.098432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.098432][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.098432][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.098432][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.098432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.098432][ T10] [ 1403.100161][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1403.100161][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1403.100161][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1403.100161][ T10] ipv6_find_idev+0x102/0x170 [ 1403.100161][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1403.100161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.100161][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.100161][ T10] netlink_unicast+0x449/0x710 [ 1403.100161][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.100161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.100161][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.100161][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.100161][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.100161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.100161][ T10] [ 1403.102106][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1403.102372][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1403.102372][ T10] netdev_get_by_index+0x5e/0x80 [ 1403.102372][ T10] fib6_nh_init+0x3d8/0x1580 [ 1403.102372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1403.102372][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1403.102372][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1403.102372][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1403.102372][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1403.102372][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1403.102372][ T10] addrconf_dad_begin+0x310/0x670 [ 1403.102372][ T10] addrconf_dad_work+0x10b/0xab0 [ 1403.102372][ T10] process_one_work+0x84d/0x18a0 [ 1403.102372][ T10] worker_thread+0x587/0xd30 [ 1403.102372][ T10] kthread+0x28a/0x350 [ 1403.102372][ T10] ret_from_fork+0x31/0x70 [ 1403.102372][ T10] ret_from_fork_asm+0x1a/0x30 [ 1403.102372][ T10] [ 1403.104519][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1403.104519][ T10] netdev_get_by_index+0x5e/0x80 [ 1403.104519][ T10] fib6_nh_init+0x3d8/0x1580 [ 1403.104519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1403.104519][ T10] ip6_route_add+0x1c/0x140 [ 1403.104519][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1403.104519][ T10] inet6_addr_add+0x4f8/0xa40 [ 1403.104519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1403.104519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.104519][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.104519][ T10] netlink_unicast+0x449/0x710 [ 1403.104519][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.104519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.104519][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.104519][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.104519][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.104519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.104519][ T10] [ 1403.106759][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1403.106759][ T10] netdev_get_by_index+0x5e/0x80 [ 1403.106759][ T10] fib6_nh_init+0x3d8/0x1580 [ 1403.106759][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1403.106759][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1403.106759][ T10] ipv6_add_addr+0x411/0x2000 [ 1403.106759][ T10] inet6_addr_add+0x30e/0xa40 [ 1403.106759][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1403.106759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.106759][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.106759][ T10] netlink_unicast+0x449/0x710 [ 1403.106759][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.106759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.106759][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.106759][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.106759][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.106759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.106759][ T10] [ 1403.109005][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1403.109005][ T10] netdev_get_by_index+0x5e/0x80 [ 1403.109005][ T10] fib6_nh_init+0x3d8/0x1580 [ 1403.109005][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1403.109005][ T10] ip6_route_add+0x1c/0x140 [ 1403.109005][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1403.109005][ T10] addrconf_add_dev+0xe2/0x170 [ 1403.109005][ T10] inet6_addr_add+0x12f/0xa40 [ 1403.109005][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1403.109005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.109005][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.109005][ T10] netlink_unicast+0x449/0x710 [ 1403.109005][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.109005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.109005][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.109005][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.109005][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.109005][ T10] [ 1403.111215][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1403.111215][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1403.111215][ T10] ipv6_find_idev+0x102/0x170 [ 1403.111215][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1403.111215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.111215][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.111215][ T10] netlink_unicast+0x449/0x710 [ 1403.111215][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.111215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.111215][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.111215][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.111215][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.111215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.111215][ T10] [ 1403.112960][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1403.112960][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1403.112960][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1403.112960][ T10] ipv6_find_idev+0x102/0x170 [ 1403.112960][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1403.112960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.112960][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.112960][ T10] netlink_unicast+0x449/0x710 [ 1403.112960][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.112960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.112960][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.112960][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.112960][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.112960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.112960][ T10] [ 1403.114868][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1403.115142][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1403.115142][ T10] netdev_get_by_index+0x5e/0x80 [ 1403.115142][ T10] fib6_nh_init+0x3d8/0x1580 [ 1403.115142][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1403.115142][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1403.115142][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1403.115142][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1403.115142][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1403.115142][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1403.115142][ T10] addrconf_dad_begin+0x310/0x670 [ 1403.115142][ T10] addrconf_dad_work+0x10b/0xab0 [ 1403.115142][ T10] process_one_work+0x84d/0x18a0 [ 1403.115142][ T10] worker_thread+0x587/0xd30 [ 1403.115142][ T10] kthread+0x28a/0x350 [ 1403.115142][ T10] ret_from_fork+0x31/0x70 [ 1403.115142][ T10] ret_from_fork_asm+0x1a/0x30 [ 1403.115142][ T10] [ 1403.117275][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1403.117275][ T10] netdev_get_by_index+0x5e/0x80 [ 1403.117275][ T10] fib6_nh_init+0x3d8/0x1580 [ 1403.117275][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1403.117275][ T10] ip6_route_add+0x1c/0x140 [ 1403.117275][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1403.117275][ T10] inet6_addr_add+0x4f8/0xa40 [ 1403.117275][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1403.117275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.117275][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.117275][ T10] netlink_unicast+0x449/0x710 [ 1403.117275][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.117275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.117275][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.117275][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.117275][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.117275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.117275][ T10] [ 1403.119643][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1403.119643][ T10] netdev_get_by_index+0x5e/0x80 [ 1403.119643][ T10] fib6_nh_init+0x3d8/0x1580 [ 1403.119643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1403.119643][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1403.119643][ T10] ipv6_add_addr+0x411/0x2000 [ 1403.119643][ T10] inet6_addr_add+0x30e/0xa40 [ 1403.119643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1403.119643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.119643][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.119643][ T10] netlink_unicast+0x449/0x710 [ 1403.119643][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.119643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.119643][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.119643][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.119643][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.119643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.119643][ T10] [ 1403.122224][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1403.122224][ T10] netdev_get_by_index+0x5e/0x80 [ 1403.122224][ T10] fib6_nh_init+0x3d8/0x1580 [ 1403.122224][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1403.122224][ T10] ip6_route_add+0x1c/0x140 [ 1403.122224][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1403.122224][ T10] addrconf_add_dev+0xe2/0x170 [ 1403.122224][ T10] inet6_addr_add+0x12f/0xa40 [ 1403.122224][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1403.122224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.122224][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.122224][ T10] netlink_unicast+0x449/0x710 [ 1403.122224][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.122224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.122224][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.122224][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.122224][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.122224][ T10] [ 1403.124691][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1403.124691][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1403.124691][ T10] ipv6_find_idev+0x102/0x170 [ 1403.124691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1403.124691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.124691][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.124691][ T10] netlink_unicast+0x449/0x710 [ 1403.124691][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.124691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.124691][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.124691][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.124691][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.124691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.124691][ T10] [ 1403.126617][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1403.126617][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1403.126617][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1403.126617][ T10] ipv6_find_idev+0x102/0x170 [ 1403.126617][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1403.126617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.126617][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.126617][ T10] netlink_unicast+0x449/0x710 [ 1403.126617][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.126617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.126617][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.126617][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.126617][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.126617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.126617][ T10] [ 1403.128693][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1403.128955][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1403.128955][ T10] netdev_get_by_index+0x5e/0x80 [ 1403.128955][ T10] fib6_nh_init+0x3d8/0x1580 [ 1403.128955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1403.128955][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1403.128955][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1403.128955][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1403.128955][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1403.128955][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1403.128955][ T10] addrconf_dad_begin+0x310/0x670 [ 1403.128955][ T10] addrconf_dad_work+0x10b/0xab0 [ 1403.128955][ T10] process_one_work+0x84d/0x18a0 [ 1403.128955][ T10] worker_thread+0x587/0xd30 [ 1403.128955][ T10] kthread+0x28a/0x350 [ 1403.128955][ T10] ret_from_fork+0x31/0x70 [ 1403.128955][ T10] ret_from_fork_asm+0x1a/0x30 [ 1403.128955][ T10] [ 1403.131418][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1403.131418][ T10] netdev_get_by_index+0x5e/0x80 [ 1403.131418][ T10] fib6_nh_init+0x3d8/0x1580 [ 1403.131418][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1403.131418][ T10] ip6_route_add+0x1c/0x140 [ 1403.131418][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1403.131418][ T10] inet6_addr_add+0x4f8/0xa40 [ 1403.131418][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1403.131418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.131418][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.131418][ T10] netlink_unicast+0x449/0x710 [ 1403.131418][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.131418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.131418][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.131418][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.131418][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.131418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.131418][ T10] [ 1403.133929][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1403.133929][ T10] netdev_get_by_index+0x5e/0x80 [ 1403.133929][ T10] fib6_nh_init+0x3d8/0x1580 [ 1403.133929][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1403.133929][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1403.133929][ T10] ipv6_add_addr+0x411/0x2000 [ 1403.133929][ T10] inet6_addr_add+0x30e/0xa40 [ 1403.133929][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1403.133929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.133929][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.133929][ T10] netlink_unicast+0x449/0x710 [ 1403.133929][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.133929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.133929][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.133929][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.133929][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.133929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.133929][ T10] [ 1403.136402][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1403.136402][ T10] netdev_get_by_index+0x5e/0x80 [ 1403.136402][ T10] fib6_nh_init+0x3d8/0x1580 [ 1403.136402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1403.136402][ T10] ip6_route_add+0x1c/0x140 [ 1403.136402][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1403.136402][ T10] addrconf_add_dev+0xe2/0x170 [ 1403.136402][ T10] inet6_addr_add+0x12f/0xa40 [ 1403.136402][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1403.136402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.136402][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.136402][ T10] netlink_unicast+0x449/0x710 [ 1403.136402][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.136402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.136402][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.136402][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.136402][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.136402][ T10] [ 1403.138784][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1403.138784][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1403.138784][ T10] ipv6_find_idev+0x102/0x170 [ 1403.138784][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1403.138784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.138784][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.138784][ T10] netlink_unicast+0x449/0x710 [ 1403.138784][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.138784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.138784][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.138784][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.138784][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.138784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.138784][ T10] [ 1403.140697][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1403.140697][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1403.140697][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1403.140697][ T10] ipv6_find_idev+0x102/0x170 [ 1403.140697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1403.140697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.140697][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.140697][ T10] netlink_unicast+0x449/0x710 [ 1403.140697][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.140697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.140697][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.140697][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.140697][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.140697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.140697][ T10] [ 1411.185146][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1411.185667][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1411.185667][ T1167] dst_init+0x84/0x4a0 [ 1411.185667][ T1167] dst_alloc+0x97/0x150 [ 1411.185667][ T1167] ip6_dst_alloc+0x23/0x90 [ 1411.185667][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1411.185667][ T1167] ip6_pol_route+0x56f/0x840 [ 1411.185667][ T1167] fib6_rule_lookup+0x334/0x630 [ 1411.185667][ T1167] ip6_route_output_flags+0x259/0x480 [ 1411.185667][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1411.185667][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1411.185667][ T1167] netlink_rcv_skb+0x130/0x360 [ 1411.185667][ T1167] netlink_unicast+0x449/0x710 [ 1411.185667][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1411.185667][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1411.185667][ T1167] ___sys_sendmsg+0xee/0x170 [ 1411.185667][ T1167] __sys_sendmsg+0xcd/0x170 [ 1411.185667][ T1167] do_syscall_64+0xc6/0x1e0 [ 1411.185667][ T1167] [ 1411.187921][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1411.187921][ T1167] netdev_get_by_index+0x5e/0x80 [ 1411.187921][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1411.187921][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1411.187921][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1411.187921][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1411.187921][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1411.187921][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1411.187921][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1411.187921][ T1167] addrconf_dad_begin+0x310/0x670 [ 1411.187921][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1411.187921][ T1167] process_one_work+0x84d/0x18a0 [ 1411.187921][ T1167] worker_thread+0x587/0xd30 [ 1411.187921][ T1167] kthread+0x28a/0x350 [ 1411.187921][ T1167] ret_from_fork+0x31/0x70 [ 1411.187921][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1411.187921][ T1167] [ 1411.190089][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1411.190089][ T1167] netdev_get_by_index+0x5e/0x80 [ 1411.190089][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1411.190089][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1411.190089][ T1167] ip6_route_add+0x1c/0x140 [ 1411.190089][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1411.190089][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1411.190089][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1411.190089][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1411.190089][ T1167] netlink_rcv_skb+0x130/0x360 [ 1411.190089][ T1167] netlink_unicast+0x449/0x710 [ 1411.190089][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1411.190089][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1411.190089][ T1167] ___sys_sendmsg+0xee/0x170 [ 1411.190089][ T1167] __sys_sendmsg+0xcd/0x170 [ 1411.190089][ T1167] do_syscall_64+0xc6/0x1e0 [ 1411.190089][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1411.190089][ T1167] [ 1411.192360][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1411.192360][ T1167] netdev_get_by_index+0x5e/0x80 [ 1411.192360][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1411.192360][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1411.192360][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1411.192360][ T1167] ipv6_add_addr+0x411/0x2000 [ 1411.192360][ T1167] inet6_addr_add+0x30e/0xa40 [ 1411.192360][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1411.192360][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1411.192360][ T1167] netlink_rcv_skb+0x130/0x360 [ 1411.192360][ T1167] netlink_unicast+0x449/0x710 [ 1411.192360][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1411.192360][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1411.192360][ T1167] ___sys_sendmsg+0xee/0x170 [ 1411.192360][ T1167] __sys_sendmsg+0xcd/0x170 [ 1411.192360][ T1167] do_syscall_64+0xc6/0x1e0 [ 1411.192360][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1411.192360][ T1167] [ 1411.194608][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1411.194608][ T1167] netdev_get_by_index+0x5e/0x80 [ 1411.194608][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1411.194608][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1411.194608][ T1167] ip6_route_add+0x1c/0x140 [ 1411.194608][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1411.194608][ T1167] addrconf_add_dev+0xe2/0x170 [ 1411.194608][ T1167] inet6_addr_add+0x12f/0xa40 [ 1411.194608][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1411.194608][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1411.194608][ T1167] netlink_rcv_skb+0x130/0x360 [ 1411.194608][ T1167] netlink_unicast+0x449/0x710 [ 1411.194608][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1411.194608][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1411.194608][ T1167] ___sys_sendmsg+0xee/0x170 [ 1411.194608][ T1167] __sys_sendmsg+0xcd/0x170 [ 1411.194608][ T1167] do_syscall_64+0xc6/0x1e0 [ 1411.194608][ T1167] [ 1411.196811][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1411.196811][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1411.196811][ T1167] ipv6_find_idev+0x102/0x170 [ 1411.196811][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1411.196811][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1411.196811][ T1167] netlink_rcv_skb+0x130/0x360 [ 1411.196811][ T1167] netlink_unicast+0x449/0x710 [ 1411.196811][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1411.196811][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1411.196811][ T1167] ___sys_sendmsg+0xee/0x170 [ 1411.196811][ T1167] __sys_sendmsg+0xcd/0x170 [ 1411.196811][ T1167] do_syscall_64+0xc6/0x1e0 [ 1411.196811][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1411.196811][ T1167] [ 1411.198544][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1411.198544][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1411.198544][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1411.198544][ T1167] ipv6_find_idev+0x102/0x170 [ 1411.198544][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1411.198544][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1411.198544][ T1167] netlink_rcv_skb+0x130/0x360 [ 1411.198544][ T1167] netlink_unicast+0x449/0x710 [ 1411.198544][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1411.198544][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1411.198544][ T1167] ___sys_sendmsg+0xee/0x170 [ 1411.198544][ T1167] __sys_sendmsg+0xcd/0x170 [ 1411.198544][ T1167] do_syscall_64+0xc6/0x1e0 [ 1411.198544][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1411.198544][ T1167] [ 1413.233171][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1413.233669][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1413.233669][ T10] netdev_get_by_index+0x5e/0x80 [ 1413.233669][ T10] fib6_nh_init+0x3d8/0x1580 [ 1413.233669][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1413.233669][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1413.233669][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1413.233669][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1413.233669][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1413.233669][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1413.233669][ T10] addrconf_dad_begin+0x310/0x670 [ 1413.233669][ T10] addrconf_dad_work+0x10b/0xab0 [ 1413.233669][ T10] process_one_work+0x84d/0x18a0 [ 1413.233669][ T10] worker_thread+0x587/0xd30 [ 1413.233669][ T10] kthread+0x28a/0x350 [ 1413.233669][ T10] ret_from_fork+0x31/0x70 [ 1413.233669][ T10] ret_from_fork_asm+0x1a/0x30 [ 1413.233669][ T10] [ 1413.235854][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1413.235854][ T10] netdev_get_by_index+0x5e/0x80 [ 1413.235854][ T10] fib6_nh_init+0x3d8/0x1580 [ 1413.235854][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1413.235854][ T10] ip6_route_add+0x1c/0x140 [ 1413.235854][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1413.235854][ T10] inet6_addr_add+0x4f8/0xa40 [ 1413.235854][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1413.235854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.235854][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.235854][ T10] netlink_unicast+0x449/0x710 [ 1413.235854][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.235854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.235854][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.235854][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.235854][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.235854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1413.235854][ T10] [ 1413.238127][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1413.238127][ T10] netdev_get_by_index+0x5e/0x80 [ 1413.238127][ T10] fib6_nh_init+0x3d8/0x1580 [ 1413.238127][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1413.238127][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1413.238127][ T10] ipv6_add_addr+0x411/0x2000 [ 1413.238127][ T10] inet6_addr_add+0x30e/0xa40 [ 1413.238127][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1413.238127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.238127][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.238127][ T10] netlink_unicast+0x449/0x710 [ 1413.238127][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.238127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.238127][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.238127][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.238127][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.238127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1413.238127][ T10] [ 1413.240383][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1413.240383][ T10] netdev_get_by_index+0x5e/0x80 [ 1413.240383][ T10] fib6_nh_init+0x3d8/0x1580 [ 1413.240383][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1413.240383][ T10] ip6_route_add+0x1c/0x140 [ 1413.240383][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1413.240383][ T10] addrconf_add_dev+0xe2/0x170 [ 1413.240383][ T10] inet6_addr_add+0x12f/0xa40 [ 1413.240383][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1413.240383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.240383][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.240383][ T10] netlink_unicast+0x449/0x710 [ 1413.240383][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.240383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.240383][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.240383][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.240383][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.240383][ T10] [ 1413.242761][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1413.242761][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1413.242761][ T10] ipv6_find_idev+0x102/0x170 [ 1413.242761][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1413.242761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.242761][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.242761][ T10] netlink_unicast+0x449/0x710 [ 1413.242761][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.242761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.242761][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.242761][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.242761][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.242761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1413.242761][ T10] [ 1413.244536][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1413.244536][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1413.244536][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1413.244536][ T10] ipv6_find_idev+0x102/0x170 [ 1413.244536][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1413.244536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.244536][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.244536][ T10] netlink_unicast+0x449/0x710 [ 1413.244536][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.244536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.244536][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.244536][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.244536][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.244536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1413.244536][ T10] [ 1413.246573][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1413.246861][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1413.246861][ T10] netdev_get_by_index+0x5e/0x80 [ 1413.246861][ T10] fib6_nh_init+0x3d8/0x1580 [ 1413.246861][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1413.246861][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1413.246861][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1413.246861][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1413.246861][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1413.246861][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1413.246861][ T10] addrconf_dad_begin+0x310/0x670 [ 1413.246861][ T10] addrconf_dad_work+0x10b/0xab0 [ 1413.246861][ T10] process_one_work+0x84d/0x18a0 [ 1413.246861][ T10] worker_thread+0x587/0xd30 [ 1413.246861][ T10] kthread+0x28a/0x350 [ 1413.246861][ T10] ret_from_fork+0x31/0x70 [ 1413.246861][ T10] ret_from_fork_asm+0x1a/0x30 [ 1413.246861][ T10] [ 1413.249164][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1413.249164][ T10] netdev_get_by_index+0x5e/0x80 [ 1413.249164][ T10] fib6_nh_init+0x3d8/0x1580 [ 1413.249164][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1413.249164][ T10] ip6_route_add+0x1c/0x140 [ 1413.249164][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1413.249164][ T10] inet6_addr_add+0x4f8/0xa40 [ 1413.249164][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1413.249164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.249164][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.249164][ T10] netlink_unicast+0x449/0x710 [ 1413.249164][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.249164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.249164][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.249164][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.249164][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.249164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1413.249164][ T10] [ 1413.251564][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1413.251564][ T10] netdev_get_by_index+0x5e/0x80 [ 1413.251564][ T10] fib6_nh_init+0x3d8/0x1580 [ 1413.251564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1413.251564][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1413.251564][ T10] ipv6_add_addr+0x411/0x2000 [ 1413.251564][ T10] inet6_addr_add+0x30e/0xa40 [ 1413.251564][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1413.251564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.251564][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.251564][ T10] netlink_unicast+0x449/0x710 [ 1413.251564][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.251564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.251564][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.251564][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.251564][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.251564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1413.251564][ T10] [ 1413.253938][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1413.253938][ T10] netdev_get_by_index+0x5e/0x80 [ 1413.253938][ T10] fib6_nh_init+0x3d8/0x1580 [ 1413.253938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1413.253938][ T10] ip6_route_add+0x1c/0x140 [ 1413.253938][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1413.253938][ T10] addrconf_add_dev+0xe2/0x170 [ 1413.253938][ T10] inet6_addr_add+0x12f/0xa40 [ 1413.253938][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1413.253938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.253938][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.253938][ T10] netlink_unicast+0x449/0x710 [ 1413.253938][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.253938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.253938][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.253938][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.253938][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.253938][ T10] [ 1413.256232][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1413.256232][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1413.256232][ T10] ipv6_find_idev+0x102/0x170 [ 1413.256232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1413.256232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.256232][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.256232][ T10] netlink_unicast+0x449/0x710 [ 1413.256232][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.256232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.256232][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.256232][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.256232][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.256232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1413.256232][ T10] [ 1413.257959][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1413.257959][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1413.257959][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1413.257959][ T10] ipv6_find_idev+0x102/0x170 [ 1413.257959][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1413.257959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.257959][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.257959][ T10] netlink_unicast+0x449/0x710 [ 1413.257959][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.257959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.257959][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.257959][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.257959][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.257959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1413.257959][ T10] [ 1413.259871][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1413.260168][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1413.260168][ T10] netdev_get_by_index+0x5e/0x80 [ 1413.260168][ T10] fib6_nh_init+0x3d8/0x1580 [ 1413.260168][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1413.260168][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1413.260168][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1413.260168][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1413.260168][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1413.260168][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1413.260168][ T10] addrconf_dad_begin+0x310/0x670 [ 1413.260168][ T10] addrconf_dad_work+0x10b/0xab0 [ 1413.260168][ T10] process_one_work+0x84d/0x18a0 [ 1413.260168][ T10] worker_thread+0x587/0xd30 [ 1413.260168][ T10] kthread+0x28a/0x350 [ 1413.260168][ T10] ret_from_fork+0x31/0x70 [ 1413.260168][ T10] ret_from_fork_asm+0x1a/0x30 [ 1413.260168][ T10] [ 1413.262480][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1413.262480][ T10] netdev_get_by_index+0x5e/0x80 [ 1413.262480][ T10] fib6_nh_init+0x3d8/0x1580 [ 1413.262480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1413.262480][ T10] ip6_route_add+0x1c/0x140 [ 1413.262480][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1413.262480][ T10] inet6_addr_add+0x4f8/0xa40 [ 1413.262480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1413.262480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.262480][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.262480][ T10] netlink_unicast+0x449/0x710 [ 1413.262480][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.262480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.262480][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.262480][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.262480][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.262480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1413.262480][ T10] [ 1413.265022][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1413.265022][ T10] netdev_get_by_index+0x5e/0x80 [ 1413.265022][ T10] fib6_nh_init+0x3d8/0x1580 [ 1413.265022][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1413.265022][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1413.265022][ T10] ipv6_add_addr+0x411/0x2000 [ 1413.265022][ T10] inet6_addr_add+0x30e/0xa40 [ 1413.265022][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1413.265022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.265022][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.265022][ T10] netlink_unicast+0x449/0x710 [ 1413.265022][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.265022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.265022][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.265022][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.265022][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.265022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1413.265022][ T10] [ 1413.267630][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1413.267630][ T10] netdev_get_by_index+0x5e/0x80 [ 1413.267630][ T10] fib6_nh_init+0x3d8/0x1580 [ 1413.267630][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1413.267630][ T10] ip6_route_add+0x1c/0x140 [ 1413.267630][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1413.267630][ T10] addrconf_add_dev+0xe2/0x170 [ 1413.267630][ T10] inet6_addr_add+0x12f/0xa40 [ 1413.267630][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1413.267630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.267630][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.267630][ T10] netlink_unicast+0x449/0x710 [ 1413.267630][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.267630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.267630][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.267630][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.267630][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.267630][ T10] [ 1413.270114][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1413.270114][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1413.270114][ T10] ipv6_find_idev+0x102/0x170 [ 1413.270114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1413.270114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.270114][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.270114][ T10] netlink_unicast+0x449/0x710 [ 1413.270114][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.270114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.270114][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.270114][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.270114][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.270114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1413.270114][ T10] [ 1413.272042][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1413.272042][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1413.272042][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1413.272042][ T10] ipv6_find_idev+0x102/0x170 [ 1413.272042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1413.272042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.272042][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.272042][ T10] netlink_unicast+0x449/0x710 [ 1413.272042][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.272042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.272042][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.272042][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.272042][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.272042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1413.272042][ T10] [ 1413.274209][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1413.274471][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1413.274471][ T10] netdev_get_by_index+0x5e/0x80 [ 1413.274471][ T10] fib6_nh_init+0x3d8/0x1580 [ 1413.274471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1413.274471][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1413.274471][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1413.274471][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1413.274471][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1413.274471][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1413.274471][ T10] addrconf_dad_begin+0x310/0x670 [ 1413.274471][ T10] addrconf_dad_work+0x10b/0xab0 [ 1413.274471][ T10] process_one_work+0x84d/0x18a0 [ 1413.274471][ T10] worker_thread+0x587/0xd30 [ 1413.274471][ T10] kthread+0x28a/0x350 [ 1413.274471][ T10] ret_from_fork+0x31/0x70 [ 1413.274471][ T10] ret_from_fork_asm+0x1a/0x30 [ 1413.274471][ T10] [ 1413.276777][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1413.276777][ T10] netdev_get_by_index+0x5e/0x80 [ 1413.276777][ T10] fib6_nh_init+0x3d8/0x1580 [ 1413.276777][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1413.276777][ T10] ip6_route_add+0x1c/0x140 [ 1413.276777][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1413.276777][ T10] inet6_addr_add+0x4f8/0xa40 [ 1413.276777][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1413.276777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.276777][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.276777][ T10] netlink_unicast+0x449/0x710 [ 1413.276777][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.276777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.276777][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.276777][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.276777][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.276777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1413.276777][ T10] [ 1413.279180][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1413.279180][ T10] netdev_get_by_index+0x5e/0x80 [ 1413.279180][ T10] fib6_nh_init+0x3d8/0x1580 [ 1413.279180][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1413.279180][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1413.279180][ T10] ipv6_add_addr+0x411/0x2000 [ 1413.279180][ T10] inet6_addr_add+0x30e/0xa40 [ 1413.279180][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1413.279180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.279180][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.279180][ T10] netlink_unicast+0x449/0x710 [ 1413.279180][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.279180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.279180][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.279180][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.279180][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.279180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1413.279180][ T10] [ 1413.281667][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1413.281667][ T10] netdev_get_by_index+0x5e/0x80 [ 1413.281667][ T10] fib6_nh_init+0x3d8/0x1580 [ 1413.281667][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1413.281667][ T10] ip6_route_add+0x1c/0x140 [ 1413.281667][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1413.281667][ T10] addrconf_add_dev+0xe2/0x170 [ 1413.281667][ T10] inet6_addr_add+0x12f/0xa40 [ 1413.281667][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1413.281667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.281667][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.281667][ T10] netlink_unicast+0x449/0x710 [ 1413.281667][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.281667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.281667][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.281667][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.281667][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.281667][ T10] [ 1413.284133][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1413.284133][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1413.284133][ T10] ipv6_find_idev+0x102/0x170 [ 1413.284133][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1413.284133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.284133][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.284133][ T10] netlink_unicast+0x449/0x710 [ 1413.284133][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.284133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.284133][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.284133][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.284133][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.284133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1413.284133][ T10] [ 1413.286043][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1413.286043][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1413.286043][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1413.286043][ T10] ipv6_find_idev+0x102/0x170 [ 1413.286043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1413.286043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.286043][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.286043][ T10] netlink_unicast+0x449/0x710 [ 1413.286043][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.286043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.286043][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.286043][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.286043][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.286043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1413.286043][ T10] [ 1421.441098][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1421.441677][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1421.441677][ T1167] dst_init+0x84/0x4a0 [ 1421.441677][ T1167] dst_alloc+0x97/0x150 [ 1421.441677][ T1167] ip6_dst_alloc+0x23/0x90 [ 1421.441677][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1421.441677][ T1167] ip6_pol_route+0x56f/0x840 [ 1421.441677][ T1167] fib6_rule_lookup+0x334/0x630 [ 1421.441677][ T1167] ip6_route_output_flags+0x259/0x480 [ 1421.441677][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1421.441677][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1421.441677][ T1167] netlink_rcv_skb+0x130/0x360 [ 1421.441677][ T1167] netlink_unicast+0x449/0x710 [ 1421.441677][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1421.441677][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1421.441677][ T1167] ___sys_sendmsg+0xee/0x170 [ 1421.441677][ T1167] __sys_sendmsg+0xcd/0x170 [ 1421.441677][ T1167] do_syscall_64+0xc6/0x1e0 [ 1421.441677][ T1167] [ 1421.443918][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1421.443918][ T1167] netdev_get_by_index+0x5e/0x80 [ 1421.443918][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1421.443918][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1421.443918][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1421.443918][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1421.443918][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1421.443918][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1421.443918][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1421.443918][ T1167] addrconf_dad_begin+0x310/0x670 [ 1421.443918][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1421.443918][ T1167] process_one_work+0x84d/0x18a0 [ 1421.443918][ T1167] worker_thread+0x587/0xd30 [ 1421.443918][ T1167] kthread+0x28a/0x350 [ 1421.443918][ T1167] ret_from_fork+0x31/0x70 [ 1421.443918][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1421.443918][ T1167] [ 1421.446080][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1421.446080][ T1167] netdev_get_by_index+0x5e/0x80 [ 1421.446080][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1421.446080][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1421.446080][ T1167] ip6_route_add+0x1c/0x140 [ 1421.446080][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1421.446080][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1421.446080][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1421.446080][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.446080][ T1167] netlink_rcv_skb+0x130/0x360 [ 1421.446080][ T1167] netlink_unicast+0x449/0x710 [ 1421.446080][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1421.446080][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1421.446080][ T1167] ___sys_sendmsg+0xee/0x170 [ 1421.446080][ T1167] __sys_sendmsg+0xcd/0x170 [ 1421.446080][ T1167] do_syscall_64+0xc6/0x1e0 [ 1421.446080][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.446080][ T1167] [ 1421.448328][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1421.448328][ T1167] netdev_get_by_index+0x5e/0x80 [ 1421.448328][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1421.448328][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1421.448328][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1421.448328][ T1167] ipv6_add_addr+0x411/0x2000 [ 1421.448328][ T1167] inet6_addr_add+0x30e/0xa40 [ 1421.448328][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1421.448328][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.448328][ T1167] netlink_rcv_skb+0x130/0x360 [ 1421.448328][ T1167] netlink_unicast+0x449/0x710 [ 1421.448328][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1421.448328][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1421.448328][ T1167] ___sys_sendmsg+0xee/0x170 [ 1421.448328][ T1167] __sys_sendmsg+0xcd/0x170 [ 1421.448328][ T1167] do_syscall_64+0xc6/0x1e0 [ 1421.448328][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.448328][ T1167] [ 1421.450584][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1421.450584][ T1167] netdev_get_by_index+0x5e/0x80 [ 1421.450584][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1421.450584][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1421.450584][ T1167] ip6_route_add+0x1c/0x140 [ 1421.450584][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1421.450584][ T1167] addrconf_add_dev+0xe2/0x170 [ 1421.450584][ T1167] inet6_addr_add+0x12f/0xa40 [ 1421.450584][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1421.450584][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.450584][ T1167] netlink_rcv_skb+0x130/0x360 [ 1421.450584][ T1167] netlink_unicast+0x449/0x710 [ 1421.450584][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1421.450584][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1421.450584][ T1167] ___sys_sendmsg+0xee/0x170 [ 1421.450584][ T1167] __sys_sendmsg+0xcd/0x170 [ 1421.450584][ T1167] do_syscall_64+0xc6/0x1e0 [ 1421.450584][ T1167] [ 1421.452828][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1421.452828][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1421.452828][ T1167] ipv6_find_idev+0x102/0x170 [ 1421.452828][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1421.452828][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.452828][ T1167] netlink_rcv_skb+0x130/0x360 [ 1421.452828][ T1167] netlink_unicast+0x449/0x710 [ 1421.452828][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1421.452828][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1421.452828][ T1167] ___sys_sendmsg+0xee/0x170 [ 1421.452828][ T1167] __sys_sendmsg+0xcd/0x170 [ 1421.452828][ T1167] do_syscall_64+0xc6/0x1e0 [ 1421.452828][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.452828][ T1167] [ 1421.454567][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1421.454567][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1421.454567][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1421.454567][ T1167] ipv6_find_idev+0x102/0x170 [ 1421.454567][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1421.454567][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1421.454567][ T1167] netlink_rcv_skb+0x130/0x360 [ 1421.454567][ T1167] netlink_unicast+0x449/0x710 [ 1421.454567][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1421.454567][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1421.454567][ T1167] ___sys_sendmsg+0xee/0x170 [ 1421.454567][ T1167] __sys_sendmsg+0xcd/0x170 [ 1421.454567][ T1167] do_syscall_64+0xc6/0x1e0 [ 1421.454567][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1421.454567][ T1167] [ 1423.505110][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1423.505542][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1423.505542][ T10] netdev_get_by_index+0x5e/0x80 [ 1423.505542][ T10] fib6_nh_init+0x3d8/0x1580 [ 1423.505542][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1423.505542][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1423.505542][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1423.505542][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1423.505542][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1423.505542][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1423.505542][ T10] addrconf_dad_begin+0x310/0x670 [ 1423.505542][ T10] addrconf_dad_work+0x10b/0xab0 [ 1423.505542][ T10] process_one_work+0x84d/0x18a0 [ 1423.505542][ T10] worker_thread+0x587/0xd30 [ 1423.505542][ T10] kthread+0x28a/0x350 [ 1423.505542][ T10] ret_from_fork+0x31/0x70 [ 1423.505542][ T10] ret_from_fork_asm+0x1a/0x30 [ 1423.505542][ T10] [ 1423.507773][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1423.507773][ T10] netdev_get_by_index+0x5e/0x80 [ 1423.507773][ T10] fib6_nh_init+0x3d8/0x1580 [ 1423.507773][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1423.507773][ T10] ip6_route_add+0x1c/0x140 [ 1423.507773][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1423.507773][ T10] inet6_addr_add+0x4f8/0xa40 [ 1423.507773][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1423.507773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1423.507773][ T10] netlink_rcv_skb+0x130/0x360 [ 1423.507773][ T10] netlink_unicast+0x449/0x710 [ 1423.507773][ T10] netlink_sendmsg+0x723/0xbe0 [ 1423.507773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1423.507773][ T10] ___sys_sendmsg+0xee/0x170 [ 1423.507773][ T10] __sys_sendmsg+0xcd/0x170 [ 1423.507773][ T10] do_syscall_64+0xc6/0x1e0 [ 1423.507773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1423.507773][ T10] [ 1423.509940][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1423.509940][ T10] netdev_get_by_index+0x5e/0x80 [ 1423.509940][ T10] fib6_nh_init+0x3d8/0x1580 [ 1423.509940][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1423.509940][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1423.509940][ T10] ipv6_add_addr+0x411/0x2000 [ 1423.509940][ T10] inet6_addr_add+0x30e/0xa40 [ 1423.509940][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1423.509940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1423.509940][ T10] netlink_rcv_skb+0x130/0x360 [ 1423.509940][ T10] netlink_unicast+0x449/0x710 [ 1423.509940][ T10] netlink_sendmsg+0x723/0xbe0 [ 1423.509940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1423.509940][ T10] ___sys_sendmsg+0xee/0x170 [ 1423.509940][ T10] __sys_sendmsg+0xcd/0x170 [ 1423.509940][ T10] do_syscall_64+0xc6/0x1e0 [ 1423.509940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1423.509940][ T10] [ 1423.512041][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1423.512041][ T10] netdev_get_by_index+0x5e/0x80 [ 1423.512041][ T10] fib6_nh_init+0x3d8/0x1580 [ 1423.512041][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1423.512041][ T10] ip6_route_add+0x1c/0x140 [ 1423.512041][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1423.512041][ T10] addrconf_add_dev+0xe2/0x170 [ 1423.512041][ T10] inet6_addr_add+0x12f/0xa40 [ 1423.512041][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1423.512041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1423.512041][ T10] netlink_rcv_skb+0x130/0x360 [ 1423.512041][ T10] netlink_unicast+0x449/0x710 [ 1423.512041][ T10] netlink_sendmsg+0x723/0xbe0 [ 1423.512041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1423.512041][ T10] ___sys_sendmsg+0xee/0x170 [ 1423.512041][ T10] __sys_sendmsg+0xcd/0x170 [ 1423.512041][ T10] do_syscall_64+0xc6/0x1e0 [ 1423.512041][ T10] [ 1423.514094][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1423.514094][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1423.514094][ T10] ipv6_find_idev+0x102/0x170 [ 1423.514094][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1423.514094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1423.514094][ T10] netlink_rcv_skb+0x130/0x360 [ 1423.514094][ T10] netlink_unicast+0x449/0x710 [ 1423.514094][ T10] netlink_sendmsg+0x723/0xbe0 [ 1423.514094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1423.514094][ T10] ___sys_sendmsg+0xee/0x170 [ 1423.514094][ T10] __sys_sendmsg+0xcd/0x170 [ 1423.514094][ T10] do_syscall_64+0xc6/0x1e0 [ 1423.514094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1423.514094][ T10] [ 1423.515786][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1423.515786][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1423.515786][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1423.515786][ T10] ipv6_find_idev+0x102/0x170 [ 1423.515786][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1423.515786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1423.515786][ T10] netlink_rcv_skb+0x130/0x360 [ 1423.515786][ T10] netlink_unicast+0x449/0x710 [ 1423.515786][ T10] netlink_sendmsg+0x723/0xbe0 [ 1423.515786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1423.515786][ T10] ___sys_sendmsg+0xee/0x170 [ 1423.515786][ T10] __sys_sendmsg+0xcd/0x170 [ 1423.515786][ T10] do_syscall_64+0xc6/0x1e0 [ 1423.515786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1423.515786][ T10] [ 1423.517577][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1423.517878][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1423.517878][ T10] netdev_get_by_index+0x5e/0x80 [ 1423.517878][ T10] fib6_nh_init+0x3d8/0x1580 [ 1423.517878][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1423.517878][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1423.517878][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1423.517878][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1423.517878][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1423.517878][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1423.517878][ T10] addrconf_dad_begin+0x310/0x670 [ 1423.517878][ T10] addrconf_dad_work+0x10b/0xab0 [ 1423.517878][ T10] process_one_work+0x84d/0x18a0 [ 1423.517878][ T10] worker_thread+0x587/0xd30 [ 1423.517878][ T10] kthread+0x28a/0x350 [ 1423.517878][ T10] ret_from_fork+0x31/0x70 [ 1423.517878][ T10] ret_from_fork_asm+0x1a/0x30 [ 1423.517878][ T10] [ 1423.519827][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1423.519827][ T10] netdev_get_by_index+0x5e/0x80 [ 1423.519827][ T10] fib6_nh_init+0x3d8/0x1580 [ 1423.519827][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1423.519827][ T10] ip6_route_add+0x1c/0x140 [ 1423.519827][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1423.519827][ T10] inet6_addr_add+0x4f8/0xa40 [ 1423.519827][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1423.519827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1423.519827][ T10] netlink_rcv_skb+0x130/0x360 [ 1423.519827][ T10] netlink_unicast+0x449/0x710 [ 1423.519827][ T10] netlink_sendmsg+0x723/0xbe0 [ 1423.519827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1423.519827][ T10] ___sys_sendmsg+0xee/0x170 [ 1423.519827][ T10] __sys_sendmsg+0xcd/0x170 [ 1423.519827][ T10] do_syscall_64+0xc6/0x1e0 [ 1423.519827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1423.519827][ T10] [ 1423.521853][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1423.521853][ T10] netdev_get_by_index+0x5e/0x80 [ 1423.521853][ T10] fib6_nh_init+0x3d8/0x1580 [ 1423.521853][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1423.521853][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1423.521853][ T10] ipv6_add_addr+0x411/0x2000 [ 1423.521853][ T10] inet6_addr_add+0x30e/0xa40 [ 1423.521853][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1423.521853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1423.521853][ T10] netlink_rcv_skb+0x130/0x360 [ 1423.521853][ T10] netlink_unicast+0x449/0x710 [ 1423.521853][ T10] netlink_sendmsg+0x723/0xbe0 [ 1423.521853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1423.521853][ T10] ___sys_sendmsg+0xee/0x170 [ 1423.521853][ T10] __sys_sendmsg+0xcd/0x170 [ 1423.521853][ T10] do_syscall_64+0xc6/0x1e0 [ 1423.521853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1423.521853][ T10] [ 1423.523879][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1423.523879][ T10] netdev_get_by_index+0x5e/0x80 [ 1423.523879][ T10] fib6_nh_init+0x3d8/0x1580 [ 1423.523879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1423.523879][ T10] ip6_route_add+0x1c/0x140 [ 1423.523879][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1423.523879][ T10] addrconf_add_dev+0xe2/0x170 [ 1423.523879][ T10] inet6_addr_add+0x12f/0xa40 [ 1423.523879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1423.523879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1423.523879][ T10] netlink_rcv_skb+0x130/0x360 [ 1423.523879][ T10] netlink_unicast+0x449/0x710 [ 1423.523879][ T10] netlink_sendmsg+0x723/0xbe0 [ 1423.523879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1423.523879][ T10] ___sys_sendmsg+0xee/0x170 [ 1423.523879][ T10] __sys_sendmsg+0xcd/0x170 [ 1423.523879][ T10] do_syscall_64+0xc6/0x1e0 [ 1423.523879][ T10] [ 1423.525911][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1423.525911][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1423.525911][ T10] ipv6_find_idev+0x102/0x170 [ 1423.525911][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1423.525911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1423.525911][ T10] netlink_rcv_skb+0x130/0x360 [ 1423.525911][ T10] netlink_unicast+0x449/0x710 [ 1423.525911][ T10] netlink_sendmsg+0x723/0xbe0 [ 1423.525911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1423.525911][ T10] ___sys_sendmsg+0xee/0x170 [ 1423.525911][ T10] __sys_sendmsg+0xcd/0x170 [ 1423.525911][ T10] do_syscall_64+0xc6/0x1e0 [ 1423.525911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1423.525911][ T10] [ 1423.527592][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1423.527592][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1423.527592][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1423.527592][ T10] ipv6_find_idev+0x102/0x170 [ 1423.527592][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1423.527592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1423.527592][ T10] netlink_rcv_skb+0x130/0x360 [ 1423.527592][ T10] netlink_unicast+0x449/0x710 [ 1423.527592][ T10] netlink_sendmsg+0x723/0xbe0 [ 1423.527592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1423.527592][ T10] ___sys_sendmsg+0xee/0x170 [ 1423.527592][ T10] __sys_sendmsg+0xcd/0x170 [ 1423.527592][ T10] do_syscall_64+0xc6/0x1e0 [ 1423.527592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1423.527592][ T10] [ 1423.529304][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1423.529547][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1423.529547][ T10] netdev_get_by_index+0x5e/0x80 [ 1423.529547][ T10] fib6_nh_init+0x3d8/0x1580 [ 1423.529547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1423.529547][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1423.529547][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1423.529547][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1423.529547][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1423.529547][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1423.529547][ T10] addrconf_dad_begin+0x310/0x670 [ 1423.529547][ T10] addrconf_dad_work+0x10b/0xab0 [ 1423.529547][ T10] process_one_work+0x84d/0x18a0 [ 1423.529547][ T10] worker_thread+0x587/0xd30 [ 1423.529547][ T10] kthread+0x28a/0x350 [ 1423.529547][ T10] ret_from_fork+0x31/0x70 [ 1423.529547][ T10] ret_from_fork_asm+0x1a/0x30 [ 1423.529547][ T10] [ 1423.531515][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1423.531515][ T10] netdev_get_by_index+0x5e/0x80 [ 1423.531515][ T10] fib6_nh_init+0x3d8/0x1580 [ 1423.531515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1423.531515][ T10] ip6_route_add+0x1c/0x140 [ 1423.531515][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1423.531515][ T10] inet6_addr_add+0x4f8/0xa40 [ 1423.531515][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1423.531515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1423.531515][ T10] netlink_rcv_skb+0x130/0x360 [ 1423.531515][ T10] netlink_unicast+0x449/0x710 [ 1423.531515][ T10] netlink_sendmsg+0x723/0xbe0 [ 1423.531515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1423.531515][ T10] ___sys_sendmsg+0xee/0x170 [ 1423.531515][ T10] __sys_sendmsg+0xcd/0x170 [ 1423.531515][ T10] do_syscall_64+0xc6/0x1e0 [ 1423.531515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1423.531515][ T10] [ 1423.533726][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1423.533726][ T10] netdev_get_by_index+0x5e/0x80 [ 1423.533726][ T10] fib6_nh_init+0x3d8/0x1580 [ 1423.533726][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1423.533726][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1423.533726][ T10] ipv6_add_addr+0x411/0x2000 [ 1423.533726][ T10] inet6_addr_add+0x30e/0xa40 [ 1423.533726][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1423.533726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1423.533726][ T10] netlink_rcv_skb+0x130/0x360 [ 1423.533726][ T10] netlink_unicast+0x449/0x710 [ 1423.533726][ T10] netlink_sendmsg+0x723/0xbe0 [ 1423.533726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1423.533726][ T10] ___sys_sendmsg+0xee/0x170 [ 1423.533726][ T10] __sys_sendmsg+0xcd/0x170 [ 1423.533726][ T10] do_syscall_64+0xc6/0x1e0 [ 1423.533726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1423.533726][ T10] [ 1423.535977][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1423.535977][ T10] netdev_get_by_index+0x5e/0x80 [ 1423.535977][ T10] fib6_nh_init+0x3d8/0x1580 [ 1423.535977][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1423.535977][ T10] ip6_route_add+0x1c/0x140 [ 1423.535977][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1423.535977][ T10] addrconf_add_dev+0xe2/0x170 [ 1423.535977][ T10] inet6_addr_add+0x12f/0xa40 [ 1423.535977][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1423.535977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1423.535977][ T10] netlink_rcv_skb+0x130/0x360 [ 1423.535977][ T10] netlink_unicast+0x449/0x710 [ 1423.535977][ T10] netlink_sendmsg+0x723/0xbe0 [ 1423.535977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1423.535977][ T10] ___sys_sendmsg+0xee/0x170 [ 1423.535977][ T10] __sys_sendmsg+0xcd/0x170 [ 1423.535977][ T10] do_syscall_64+0xc6/0x1e0 [ 1423.535977][ T10] [ 1423.538191][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1423.538191][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1423.538191][ T10] ipv6_find_idev+0x102/0x170 [ 1423.538191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1423.538191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1423.538191][ T10] netlink_rcv_skb+0x130/0x360 [ 1423.538191][ T10] netlink_unicast+0x449/0x710 [ 1423.538191][ T10] netlink_sendmsg+0x723/0xbe0 [ 1423.538191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1423.538191][ T10] ___sys_sendmsg+0xee/0x170 [ 1423.538191][ T10] __sys_sendmsg+0xcd/0x170 [ 1423.538191][ T10] do_syscall_64+0xc6/0x1e0 [ 1423.538191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1423.538191][ T10] [ 1423.539987][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1423.539987][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1423.539987][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1423.539987][ T10] ipv6_find_idev+0x102/0x170 [ 1423.539987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1423.539987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1423.539987][ T10] netlink_rcv_skb+0x130/0x360 [ 1423.539987][ T10] netlink_unicast+0x449/0x710 [ 1423.539987][ T10] netlink_sendmsg+0x723/0xbe0 [ 1423.539987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1423.539987][ T10] ___sys_sendmsg+0xee/0x170 [ 1423.539987][ T10] __sys_sendmsg+0xcd/0x170 [ 1423.539987][ T10] do_syscall_64+0xc6/0x1e0 [ 1423.539987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1423.539987][ T10] [ 1423.541876][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1423.542563][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1423.542563][ T10] netdev_get_by_index+0x5e/0x80 [ 1423.542563][ T10] fib6_nh_init+0x3d8/0x1580 [ 1423.542563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1423.542563][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1423.542563][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1423.542563][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1423.542563][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1423.542563][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1423.542563][ T10] addrconf_dad_begin+0x310/0x670 [ 1423.542563][ T10] addrconf_dad_work+0x10b/0xab0 [ 1423.542563][ T10] process_one_work+0x84d/0x18a0 [ 1423.542563][ T10] worker_thread+0x587/0xd30 [ 1423.542563][ T10] kthread+0x28a/0x350 [ 1423.542563][ T10] ret_from_fork+0x31/0x70 [ 1423.542563][ T10] ret_from_fork_asm+0x1a/0x30 [ 1423.542563][ T10] [ 1423.544602][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1423.544602][ T10] netdev_get_by_index+0x5e/0x80 [ 1423.544602][ T10] fib6_nh_init+0x3d8/0x1580 [ 1423.544602][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1423.544602][ T10] ip6_route_add+0x1c/0x140 [ 1423.544602][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1423.544602][ T10] inet6_addr_add+0x4f8/0xa40 [ 1423.544602][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1423.544602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1423.544602][ T10] netlink_rcv_skb+0x130/0x360 [ 1423.544602][ T10] netlink_unicast+0x449/0x710 [ 1423.544602][ T10] netlink_sendmsg+0x723/0xbe0 [ 1423.544602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1423.544602][ T10] ___sys_sendmsg+0xee/0x170 [ 1423.544602][ T10] __sys_sendmsg+0xcd/0x170 [ 1423.544602][ T10] do_syscall_64+0xc6/0x1e0 [ 1423.544602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1423.544602][ T10] [ 1423.546846][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1423.546846][ T10] netdev_get_by_index+0x5e/0x80 [ 1423.546846][ T10] fib6_nh_init+0x3d8/0x1580 [ 1423.546846][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1423.546846][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1423.546846][ T10] ipv6_add_addr+0x411/0x2000 [ 1423.546846][ T10] inet6_addr_add+0x30e/0xa40 [ 1423.546846][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1423.546846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1423.546846][ T10] netlink_rcv_skb+0x130/0x360 [ 1423.546846][ T10] netlink_unicast+0x449/0x710 [ 1423.546846][ T10] netlink_sendmsg+0x723/0xbe0 [ 1423.546846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1423.546846][ T10] ___sys_sendmsg+0xee/0x170 [ 1423.546846][ T10] __sys_sendmsg+0xcd/0x170 [ 1423.546846][ T10] do_syscall_64+0xc6/0x1e0 [ 1423.546846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1423.546846][ T10] [ 1423.549228][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1423.549228][ T10] netdev_get_by_index+0x5e/0x80 [ 1423.549228][ T10] fib6_nh_init+0x3d8/0x1580 [ 1423.549228][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1423.549228][ T10] ip6_route_add+0x1c/0x140 [ 1423.549228][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1423.549228][ T10] addrconf_add_dev+0xe2/0x170 [ 1423.549228][ T10] inet6_addr_add+0x12f/0xa40 [ 1423.549228][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1423.549228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1423.549228][ T10] netlink_rcv_skb+0x130/0x360 [ 1423.549228][ T10] netlink_unicast+0x449/0x710 [ 1423.549228][ T10] netlink_sendmsg+0x723/0xbe0 [ 1423.549228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1423.549228][ T10] ___sys_sendmsg+0xee/0x170 [ 1423.549228][ T10] __sys_sendmsg+0xcd/0x170 [ 1423.549228][ T10] do_syscall_64+0xc6/0x1e0 [ 1423.549228][ T10] [ 1423.551388][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1423.551388][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1423.551388][ T10] ipv6_find_idev+0x102/0x170 [ 1423.551388][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1423.551388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1423.551388][ T10] netlink_rcv_skb+0x130/0x360 [ 1423.551388][ T10] netlink_unicast+0x449/0x710 [ 1423.551388][ T10] netlink_sendmsg+0x723/0xbe0 [ 1423.551388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1423.551388][ T10] ___sys_sendmsg+0xee/0x170 [ 1423.551388][ T10] __sys_sendmsg+0xcd/0x170 [ 1423.551388][ T10] do_syscall_64+0xc6/0x1e0 [ 1423.551388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1423.551388][ T10] [ 1423.553291][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1423.553291][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1423.553291][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1423.553291][ T10] ipv6_find_idev+0x102/0x170 [ 1423.553291][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1423.553291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1423.553291][ T10] netlink_rcv_skb+0x130/0x360 [ 1423.553291][ T10] netlink_unicast+0x449/0x710 [ 1423.553291][ T10] netlink_sendmsg+0x723/0xbe0 [ 1423.553291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1423.553291][ T10] ___sys_sendmsg+0xee/0x170 [ 1423.553291][ T10] __sys_sendmsg+0xcd/0x170 [ 1423.553291][ T10] do_syscall_64+0xc6/0x1e0 [ 1423.553291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1423.553291][ T10] [ 1431.457221][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1431.457737][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1431.457737][ T1167] dst_init+0x84/0x4a0 [ 1431.457737][ T1167] dst_alloc+0x97/0x150 [ 1431.457737][ T1167] ip6_dst_alloc+0x23/0x90 [ 1431.457737][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1431.457737][ T1167] ip6_pol_route+0x56f/0x840 [ 1431.457737][ T1167] fib6_rule_lookup+0x334/0x630 [ 1431.457737][ T1167] ip6_route_output_flags+0x259/0x480 [ 1431.457737][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1431.457737][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1431.457737][ T1167] netlink_rcv_skb+0x130/0x360 [ 1431.457737][ T1167] netlink_unicast+0x449/0x710 [ 1431.457737][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1431.457737][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1431.457737][ T1167] ___sys_sendmsg+0xee/0x170 [ 1431.457737][ T1167] __sys_sendmsg+0xcd/0x170 [ 1431.457737][ T1167] do_syscall_64+0xc6/0x1e0 [ 1431.457737][ T1167] [ 1431.460222][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1431.460222][ T1167] netdev_get_by_index+0x5e/0x80 [ 1431.460222][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1431.460222][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1431.460222][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1431.460222][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1431.460222][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1431.460222][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1431.460222][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1431.460222][ T1167] addrconf_dad_begin+0x310/0x670 [ 1431.460222][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1431.460222][ T1167] process_one_work+0x84d/0x18a0 [ 1431.460222][ T1167] worker_thread+0x587/0xd30 [ 1431.460222][ T1167] kthread+0x28a/0x350 [ 1431.460222][ T1167] ret_from_fork+0x31/0x70 [ 1431.460222][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1431.460222][ T1167] [ 1431.462707][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1431.462707][ T1167] netdev_get_by_index+0x5e/0x80 [ 1431.462707][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1431.462707][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1431.462707][ T1167] ip6_route_add+0x1c/0x140 [ 1431.462707][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1431.462707][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1431.462707][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1431.462707][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.462707][ T1167] netlink_rcv_skb+0x130/0x360 [ 1431.462707][ T1167] netlink_unicast+0x449/0x710 [ 1431.462707][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1431.462707][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1431.462707][ T1167] ___sys_sendmsg+0xee/0x170 [ 1431.462707][ T1167] __sys_sendmsg+0xcd/0x170 [ 1431.462707][ T1167] do_syscall_64+0xc6/0x1e0 [ 1431.462707][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.462707][ T1167] [ 1431.465238][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1431.465238][ T1167] netdev_get_by_index+0x5e/0x80 [ 1431.465238][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1431.465238][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1431.465238][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1431.465238][ T1167] ipv6_add_addr+0x411/0x2000 [ 1431.465238][ T1167] inet6_addr_add+0x30e/0xa40 [ 1431.465238][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1431.465238][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.465238][ T1167] netlink_rcv_skb+0x130/0x360 [ 1431.465238][ T1167] netlink_unicast+0x449/0x710 [ 1431.465238][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1431.465238][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1431.465238][ T1167] ___sys_sendmsg+0xee/0x170 [ 1431.465238][ T1167] __sys_sendmsg+0xcd/0x170 [ 1431.465238][ T1167] do_syscall_64+0xc6/0x1e0 [ 1431.465238][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.465238][ T1167] [ 1431.467804][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1431.467804][ T1167] netdev_get_by_index+0x5e/0x80 [ 1431.467804][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1431.467804][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1431.467804][ T1167] ip6_route_add+0x1c/0x140 [ 1431.467804][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1431.467804][ T1167] addrconf_add_dev+0xe2/0x170 [ 1431.467804][ T1167] inet6_addr_add+0x12f/0xa40 [ 1431.467804][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1431.467804][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.467804][ T1167] netlink_rcv_skb+0x130/0x360 [ 1431.467804][ T1167] netlink_unicast+0x449/0x710 [ 1431.467804][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1431.467804][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1431.467804][ T1167] ___sys_sendmsg+0xee/0x170 [ 1431.467804][ T1167] __sys_sendmsg+0xcd/0x170 [ 1431.467804][ T1167] do_syscall_64+0xc6/0x1e0 [ 1431.467804][ T1167] [ 1431.470240][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1431.470240][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1431.470240][ T1167] ipv6_find_idev+0x102/0x170 [ 1431.470240][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1431.470240][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.470240][ T1167] netlink_rcv_skb+0x130/0x360 [ 1431.470240][ T1167] netlink_unicast+0x449/0x710 [ 1431.470240][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1431.470240][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1431.470240][ T1167] ___sys_sendmsg+0xee/0x170 [ 1431.470240][ T1167] __sys_sendmsg+0xcd/0x170 [ 1431.470240][ T1167] do_syscall_64+0xc6/0x1e0 [ 1431.470240][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.470240][ T1167] [ 1431.472100][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1431.472100][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1431.472100][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1431.472100][ T1167] ipv6_find_idev+0x102/0x170 [ 1431.472100][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1431.472100][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1431.472100][ T1167] netlink_rcv_skb+0x130/0x360 [ 1431.472100][ T1167] netlink_unicast+0x449/0x710 [ 1431.472100][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1431.472100][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1431.472100][ T1167] ___sys_sendmsg+0xee/0x170 [ 1431.472100][ T1167] __sys_sendmsg+0xcd/0x170 [ 1431.472100][ T1167] do_syscall_64+0xc6/0x1e0 [ 1431.472100][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1431.472100][ T1167] [ 1433.761118][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1433.761568][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1433.761568][ T10] netdev_get_by_index+0x5e/0x80 [ 1433.761568][ T10] fib6_nh_init+0x3d8/0x1580 [ 1433.761568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1433.761568][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1433.761568][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1433.761568][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1433.761568][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1433.761568][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1433.761568][ T10] addrconf_dad_begin+0x310/0x670 [ 1433.761568][ T10] addrconf_dad_work+0x10b/0xab0 [ 1433.761568][ T10] process_one_work+0x84d/0x18a0 [ 1433.761568][ T10] worker_thread+0x587/0xd30 [ 1433.761568][ T10] kthread+0x28a/0x350 [ 1433.761568][ T10] ret_from_fork+0x31/0x70 [ 1433.761568][ T10] ret_from_fork_asm+0x1a/0x30 [ 1433.761568][ T10] [ 1433.763942][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1433.763942][ T10] netdev_get_by_index+0x5e/0x80 [ 1433.763942][ T10] fib6_nh_init+0x3d8/0x1580 [ 1433.763942][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1433.763942][ T10] ip6_route_add+0x1c/0x140 [ 1433.763942][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1433.763942][ T10] inet6_addr_add+0x4f8/0xa40 [ 1433.763942][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1433.763942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1433.763942][ T10] netlink_rcv_skb+0x130/0x360 [ 1433.763942][ T10] netlink_unicast+0x449/0x710 [ 1433.763942][ T10] netlink_sendmsg+0x723/0xbe0 [ 1433.763942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1433.763942][ T10] ___sys_sendmsg+0xee/0x170 [ 1433.763942][ T10] __sys_sendmsg+0xcd/0x170 [ 1433.763942][ T10] do_syscall_64+0xc6/0x1e0 [ 1433.763942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1433.763942][ T10] [ 1433.766367][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1433.766367][ T10] netdev_get_by_index+0x5e/0x80 [ 1433.766367][ T10] fib6_nh_init+0x3d8/0x1580 [ 1433.766367][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1433.766367][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1433.766367][ T10] ipv6_add_addr+0x411/0x2000 [ 1433.766367][ T10] inet6_addr_add+0x30e/0xa40 [ 1433.766367][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1433.766367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1433.766367][ T10] netlink_rcv_skb+0x130/0x360 [ 1433.766367][ T10] netlink_unicast+0x449/0x710 [ 1433.766367][ T10] netlink_sendmsg+0x723/0xbe0 [ 1433.766367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1433.766367][ T10] ___sys_sendmsg+0xee/0x170 [ 1433.766367][ T10] __sys_sendmsg+0xcd/0x170 [ 1433.766367][ T10] do_syscall_64+0xc6/0x1e0 [ 1433.766367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1433.766367][ T10] [ 1433.768818][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1433.768818][ T10] netdev_get_by_index+0x5e/0x80 [ 1433.768818][ T10] fib6_nh_init+0x3d8/0x1580 [ 1433.768818][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1433.768818][ T10] ip6_route_add+0x1c/0x140 [ 1433.768818][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1433.768818][ T10] addrconf_add_dev+0xe2/0x170 [ 1433.768818][ T10] inet6_addr_add+0x12f/0xa40 [ 1433.768818][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1433.768818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1433.768818][ T10] netlink_rcv_skb+0x130/0x360 [ 1433.768818][ T10] netlink_unicast+0x449/0x710 [ 1433.768818][ T10] netlink_sendmsg+0x723/0xbe0 [ 1433.768818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1433.768818][ T10] ___sys_sendmsg+0xee/0x170 [ 1433.768818][ T10] __sys_sendmsg+0xcd/0x170 [ 1433.768818][ T10] do_syscall_64+0xc6/0x1e0 [ 1433.768818][ T10] [ 1433.771211][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1433.771211][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1433.771211][ T10] ipv6_find_idev+0x102/0x170 [ 1433.771211][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1433.771211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1433.771211][ T10] netlink_rcv_skb+0x130/0x360 [ 1433.771211][ T10] netlink_unicast+0x449/0x710 [ 1433.771211][ T10] netlink_sendmsg+0x723/0xbe0 [ 1433.771211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1433.771211][ T10] ___sys_sendmsg+0xee/0x170 [ 1433.771211][ T10] __sys_sendmsg+0xcd/0x170 [ 1433.771211][ T10] do_syscall_64+0xc6/0x1e0 [ 1433.771211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1433.771211][ T10] [ 1433.773141][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1433.773141][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1433.773141][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1433.773141][ T10] ipv6_find_idev+0x102/0x170 [ 1433.773141][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1433.773141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1433.773141][ T10] netlink_rcv_skb+0x130/0x360 [ 1433.773141][ T10] netlink_unicast+0x449/0x710 [ 1433.773141][ T10] netlink_sendmsg+0x723/0xbe0 [ 1433.773141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1433.773141][ T10] ___sys_sendmsg+0xee/0x170 [ 1433.773141][ T10] __sys_sendmsg+0xcd/0x170 [ 1433.773141][ T10] do_syscall_64+0xc6/0x1e0 [ 1433.773141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1433.773141][ T10] [ 1433.775203][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1433.775493][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1433.775493][ T10] netdev_get_by_index+0x5e/0x80 [ 1433.775493][ T10] fib6_nh_init+0x3d8/0x1580 [ 1433.775493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1433.775493][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1433.775493][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1433.775493][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1433.775493][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1433.775493][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1433.775493][ T10] addrconf_dad_begin+0x310/0x670 [ 1433.775493][ T10] addrconf_dad_work+0x10b/0xab0 [ 1433.775493][ T10] process_one_work+0x84d/0x18a0 [ 1433.775493][ T10] worker_thread+0x587/0xd30 [ 1433.775493][ T10] kthread+0x28a/0x350 [ 1433.775493][ T10] ret_from_fork+0x31/0x70 [ 1433.775493][ T10] ret_from_fork_asm+0x1a/0x30 [ 1433.775493][ T10] [ 1433.777784][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1433.777784][ T10] netdev_get_by_index+0x5e/0x80 [ 1433.777784][ T10] fib6_nh_init+0x3d8/0x1580 [ 1433.777784][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1433.777784][ T10] ip6_route_add+0x1c/0x140 [ 1433.777784][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1433.777784][ T10] inet6_addr_add+0x4f8/0xa40 [ 1433.777784][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1433.777784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1433.777784][ T10] netlink_rcv_skb+0x130/0x360 [ 1433.777784][ T10] netlink_unicast+0x449/0x710 [ 1433.777784][ T10] netlink_sendmsg+0x723/0xbe0 [ 1433.777784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1433.777784][ T10] ___sys_sendmsg+0xee/0x170 [ 1433.777784][ T10] __sys_sendmsg+0xcd/0x170 [ 1433.777784][ T10] do_syscall_64+0xc6/0x1e0 [ 1433.777784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1433.777784][ T10] [ 1433.780170][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1433.780170][ T10] netdev_get_by_index+0x5e/0x80 [ 1433.780170][ T10] fib6_nh_init+0x3d8/0x1580 [ 1433.780170][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1433.780170][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1433.780170][ T10] ipv6_add_addr+0x411/0x2000 [ 1433.780170][ T10] inet6_addr_add+0x30e/0xa40 [ 1433.780170][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1433.780170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1433.780170][ T10] netlink_rcv_skb+0x130/0x360 [ 1433.780170][ T10] netlink_unicast+0x449/0x710 [ 1433.780170][ T10] netlink_sendmsg+0x723/0xbe0 [ 1433.780170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1433.780170][ T10] ___sys_sendmsg+0xee/0x170 [ 1433.780170][ T10] __sys_sendmsg+0xcd/0x170 [ 1433.780170][ T10] do_syscall_64+0xc6/0x1e0 [ 1433.780170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1433.780170][ T10] [ 1433.782602][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1433.782602][ T10] netdev_get_by_index+0x5e/0x80 [ 1433.782602][ T10] fib6_nh_init+0x3d8/0x1580 [ 1433.782602][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1433.782602][ T10] ip6_route_add+0x1c/0x140 [ 1433.782602][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1433.782602][ T10] addrconf_add_dev+0xe2/0x170 [ 1433.782602][ T10] inet6_addr_add+0x12f/0xa40 [ 1433.782602][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1433.782602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1433.782602][ T10] netlink_rcv_skb+0x130/0x360 [ 1433.782602][ T10] netlink_unicast+0x449/0x710 [ 1433.782602][ T10] netlink_sendmsg+0x723/0xbe0 [ 1433.782602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1433.782602][ T10] ___sys_sendmsg+0xee/0x170 [ 1433.782602][ T10] __sys_sendmsg+0xcd/0x170 [ 1433.782602][ T10] do_syscall_64+0xc6/0x1e0 [ 1433.782602][ T10] [ 1433.784992][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1433.784992][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1433.784992][ T10] ipv6_find_idev+0x102/0x170 [ 1433.784992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1433.784992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1433.784992][ T10] netlink_rcv_skb+0x130/0x360 [ 1433.784992][ T10] netlink_unicast+0x449/0x710 [ 1433.784992][ T10] netlink_sendmsg+0x723/0xbe0 [ 1433.784992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1433.784992][ T10] ___sys_sendmsg+0xee/0x170 [ 1433.784992][ T10] __sys_sendmsg+0xcd/0x170 [ 1433.784992][ T10] do_syscall_64+0xc6/0x1e0 [ 1433.784992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1433.784992][ T10] [ 1433.786864][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1433.786864][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1433.786864][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1433.786864][ T10] ipv6_find_idev+0x102/0x170 [ 1433.786864][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1433.786864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1433.786864][ T10] netlink_rcv_skb+0x130/0x360 [ 1433.786864][ T10] netlink_unicast+0x449/0x710 [ 1433.786864][ T10] netlink_sendmsg+0x723/0xbe0 [ 1433.786864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1433.786864][ T10] ___sys_sendmsg+0xee/0x170 [ 1433.786864][ T10] __sys_sendmsg+0xcd/0x170 [ 1433.786864][ T10] do_syscall_64+0xc6/0x1e0 [ 1433.786864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1433.786864][ T10] [ 1433.788923][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1433.789227][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1433.789227][ T10] netdev_get_by_index+0x5e/0x80 [ 1433.789227][ T10] fib6_nh_init+0x3d8/0x1580 [ 1433.789227][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1433.789227][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1433.789227][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1433.789227][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1433.789227][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1433.789227][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1433.789227][ T10] addrconf_dad_begin+0x310/0x670 [ 1433.789227][ T10] addrconf_dad_work+0x10b/0xab0 [ 1433.789227][ T10] process_one_work+0x84d/0x18a0 [ 1433.789227][ T10] worker_thread+0x587/0xd30 [ 1433.789227][ T10] kthread+0x28a/0x350 [ 1433.789227][ T10] ret_from_fork+0x31/0x70 [ 1433.789227][ T10] ret_from_fork_asm+0x1a/0x30 [ 1433.789227][ T10] [ 1433.791556][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1433.791556][ T10] netdev_get_by_index+0x5e/0x80 [ 1433.791556][ T10] fib6_nh_init+0x3d8/0x1580 [ 1433.791556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1433.791556][ T10] ip6_route_add+0x1c/0x140 [ 1433.791556][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1433.791556][ T10] inet6_addr_add+0x4f8/0xa40 [ 1433.791556][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1433.791556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1433.791556][ T10] netlink_rcv_skb+0x130/0x360 [ 1433.791556][ T10] netlink_unicast+0x449/0x710 [ 1433.791556][ T10] netlink_sendmsg+0x723/0xbe0 [ 1433.791556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1433.791556][ T10] ___sys_sendmsg+0xee/0x170 [ 1433.791556][ T10] __sys_sendmsg+0xcd/0x170 [ 1433.791556][ T10] do_syscall_64+0xc6/0x1e0 [ 1433.791556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1433.791556][ T10] [ 1433.794231][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1433.794231][ T10] netdev_get_by_index+0x5e/0x80 [ 1433.794231][ T10] fib6_nh_init+0x3d8/0x1580 [ 1433.794231][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1433.794231][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1433.794231][ T10] ipv6_add_addr+0x411/0x2000 [ 1433.794231][ T10] inet6_addr_add+0x30e/0xa40 [ 1433.794231][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1433.794231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1433.794231][ T10] netlink_rcv_skb+0x130/0x360 [ 1433.794231][ T10] netlink_unicast+0x449/0x710 [ 1433.794231][ T10] netlink_sendmsg+0x723/0xbe0 [ 1433.794231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1433.794231][ T10] ___sys_sendmsg+0xee/0x170 [ 1433.794231][ T10] __sys_sendmsg+0xcd/0x170 [ 1433.794231][ T10] do_syscall_64+0xc6/0x1e0 [ 1433.794231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1433.794231][ T10] [ 1433.796895][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1433.796895][ T10] netdev_get_by_index+0x5e/0x80 [ 1433.796895][ T10] fib6_nh_init+0x3d8/0x1580 [ 1433.796895][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1433.796895][ T10] ip6_route_add+0x1c/0x140 [ 1433.796895][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1433.796895][ T10] addrconf_add_dev+0xe2/0x170 [ 1433.796895][ T10] inet6_addr_add+0x12f/0xa40 [ 1433.796895][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1433.796895][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1433.796895][ T10] netlink_rcv_skb+0x130/0x360 [ 1433.796895][ T10] netlink_unicast+0x449/0x710 [ 1433.796895][ T10] netlink_sendmsg+0x723/0xbe0 [ 1433.796895][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1433.796895][ T10] ___sys_sendmsg+0xee/0x170 [ 1433.796895][ T10] __sys_sendmsg+0xcd/0x170 [ 1433.796895][ T10] do_syscall_64+0xc6/0x1e0 [ 1433.796895][ T10] [ 1433.799497][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1433.799497][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1433.799497][ T10] ipv6_find_idev+0x102/0x170 [ 1433.799497][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1433.799497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1433.799497][ T10] netlink_rcv_skb+0x130/0x360 [ 1433.799497][ T10] netlink_unicast+0x449/0x710 [ 1433.799497][ T10] netlink_sendmsg+0x723/0xbe0 [ 1433.799497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1433.799497][ T10] ___sys_sendmsg+0xee/0x170 [ 1433.799497][ T10] __sys_sendmsg+0xcd/0x170 [ 1433.799497][ T10] do_syscall_64+0xc6/0x1e0 [ 1433.799497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1433.799497][ T10] [ 1433.801650][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1433.801650][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1433.801650][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1433.801650][ T10] ipv6_find_idev+0x102/0x170 [ 1433.801650][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1433.801650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1433.801650][ T10] netlink_rcv_skb+0x130/0x360 [ 1433.801650][ T10] netlink_unicast+0x449/0x710 [ 1433.801650][ T10] netlink_sendmsg+0x723/0xbe0 [ 1433.801650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1433.801650][ T10] ___sys_sendmsg+0xee/0x170 [ 1433.801650][ T10] __sys_sendmsg+0xcd/0x170 [ 1433.801650][ T10] do_syscall_64+0xc6/0x1e0 [ 1433.801650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1433.801650][ T10] [ 1433.803607][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1433.803847][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1433.803847][ T10] netdev_get_by_index+0x5e/0x80 [ 1433.803847][ T10] fib6_nh_init+0x3d8/0x1580 [ 1433.803847][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1433.803847][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1433.803847][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1433.803847][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1433.803847][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1433.803847][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1433.803847][ T10] addrconf_dad_begin+0x310/0x670 [ 1433.803847][ T10] addrconf_dad_work+0x10b/0xab0 [ 1433.803847][ T10] process_one_work+0x84d/0x18a0 [ 1433.803847][ T10] worker_thread+0x587/0xd30 [ 1433.803847][ T10] kthread+0x28a/0x350 [ 1433.803847][ T10] ret_from_fork+0x31/0x70 [ 1433.803847][ T10] ret_from_fork_asm+0x1a/0x30 [ 1433.803847][ T10] [ 1433.806025][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1433.806025][ T10] netdev_get_by_index+0x5e/0x80 [ 1433.806025][ T10] fib6_nh_init+0x3d8/0x1580 [ 1433.806025][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1433.806025][ T10] ip6_route_add+0x1c/0x140 [ 1433.806025][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1433.806025][ T10] inet6_addr_add+0x4f8/0xa40 [ 1433.806025][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1433.806025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1433.806025][ T10] netlink_rcv_skb+0x130/0x360 [ 1433.806025][ T10] netlink_unicast+0x449/0x710 [ 1433.806025][ T10] netlink_sendmsg+0x723/0xbe0 [ 1433.806025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1433.806025][ T10] ___sys_sendmsg+0xee/0x170 [ 1433.806025][ T10] __sys_sendmsg+0xcd/0x170 [ 1433.806025][ T10] do_syscall_64+0xc6/0x1e0 [ 1433.806025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1433.806025][ T10] [ 1433.808211][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1433.808211][ T10] netdev_get_by_index+0x5e/0x80 [ 1433.808211][ T10] fib6_nh_init+0x3d8/0x1580 [ 1433.808211][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1433.808211][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1433.808211][ T10] ipv6_add_addr+0x411/0x2000 [ 1433.808211][ T10] inet6_addr_add+0x30e/0xa40 [ 1433.808211][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1433.808211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1433.808211][ T10] netlink_rcv_skb+0x130/0x360 [ 1433.808211][ T10] netlink_unicast+0x449/0x710 [ 1433.808211][ T10] netlink_sendmsg+0x723/0xbe0 [ 1433.808211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1433.808211][ T10] ___sys_sendmsg+0xee/0x170 [ 1433.808211][ T10] __sys_sendmsg+0xcd/0x170 [ 1433.808211][ T10] do_syscall_64+0xc6/0x1e0 [ 1433.808211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1433.808211][ T10] [ 1433.810515][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1433.810515][ T10] netdev_get_by_index+0x5e/0x80 [ 1433.810515][ T10] fib6_nh_init+0x3d8/0x1580 [ 1433.810515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1433.810515][ T10] ip6_route_add+0x1c/0x140 [ 1433.810515][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1433.810515][ T10] addrconf_add_dev+0xe2/0x170 [ 1433.810515][ T10] inet6_addr_add+0x12f/0xa40 [ 1433.810515][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1433.810515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1433.810515][ T10] netlink_rcv_skb+0x130/0x360 [ 1433.810515][ T10] netlink_unicast+0x449/0x710 [ 1433.810515][ T10] netlink_sendmsg+0x723/0xbe0 [ 1433.810515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1433.810515][ T10] ___sys_sendmsg+0xee/0x170 [ 1433.810515][ T10] __sys_sendmsg+0xcd/0x170 [ 1433.810515][ T10] do_syscall_64+0xc6/0x1e0 [ 1433.810515][ T10] [ 1433.812727][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1433.812727][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1433.812727][ T10] ipv6_find_idev+0x102/0x170 [ 1433.812727][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1433.812727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1433.812727][ T10] netlink_rcv_skb+0x130/0x360 [ 1433.812727][ T10] netlink_unicast+0x449/0x710 [ 1433.812727][ T10] netlink_sendmsg+0x723/0xbe0 [ 1433.812727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1433.812727][ T10] ___sys_sendmsg+0xee/0x170 [ 1433.812727][ T10] __sys_sendmsg+0xcd/0x170 [ 1433.812727][ T10] do_syscall_64+0xc6/0x1e0 [ 1433.812727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1433.812727][ T10] [ 1433.814478][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1433.814478][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1433.814478][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1433.814478][ T10] ipv6_find_idev+0x102/0x170 [ 1433.814478][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1433.814478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1433.814478][ T10] netlink_rcv_skb+0x130/0x360 [ 1433.814478][ T10] netlink_unicast+0x449/0x710 [ 1433.814478][ T10] netlink_sendmsg+0x723/0xbe0 [ 1433.814478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1433.814478][ T10] ___sys_sendmsg+0xee/0x170 [ 1433.814478][ T10] __sys_sendmsg+0xcd/0x170 [ 1433.814478][ T10] do_syscall_64+0xc6/0x1e0 [ 1433.814478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1433.814478][ T10] [ 1441.721126][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1441.721693][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1441.721693][ T1167] dst_init+0x84/0x4a0 [ 1441.721693][ T1167] dst_alloc+0x97/0x150 [ 1441.721693][ T1167] ip6_dst_alloc+0x23/0x90 [ 1441.721693][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1441.721693][ T1167] ip6_pol_route+0x56f/0x840 [ 1441.721693][ T1167] fib6_rule_lookup+0x334/0x630 [ 1441.721693][ T1167] ip6_route_output_flags+0x259/0x480 [ 1441.721693][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1441.721693][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1441.721693][ T1167] netlink_rcv_skb+0x130/0x360 [ 1441.721693][ T1167] netlink_unicast+0x449/0x710 [ 1441.721693][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1441.721693][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1441.721693][ T1167] ___sys_sendmsg+0xee/0x170 [ 1441.721693][ T1167] __sys_sendmsg+0xcd/0x170 [ 1441.721693][ T1167] do_syscall_64+0xc6/0x1e0 [ 1441.721693][ T1167] [ 1441.724179][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1441.724179][ T1167] netdev_get_by_index+0x5e/0x80 [ 1441.724179][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1441.724179][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1441.724179][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1441.724179][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1441.724179][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1441.724179][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1441.724179][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1441.724179][ T1167] addrconf_dad_begin+0x310/0x670 [ 1441.724179][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1441.724179][ T1167] process_one_work+0x84d/0x18a0 [ 1441.724179][ T1167] worker_thread+0x587/0xd30 [ 1441.724179][ T1167] kthread+0x28a/0x350 [ 1441.724179][ T1167] ret_from_fork+0x31/0x70 [ 1441.724179][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1441.724179][ T1167] [ 1441.726594][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1441.726594][ T1167] netdev_get_by_index+0x5e/0x80 [ 1441.726594][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1441.726594][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1441.726594][ T1167] ip6_route_add+0x1c/0x140 [ 1441.726594][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1441.726594][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1441.726594][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1441.726594][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.726594][ T1167] netlink_rcv_skb+0x130/0x360 [ 1441.726594][ T1167] netlink_unicast+0x449/0x710 [ 1441.726594][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1441.726594][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1441.726594][ T1167] ___sys_sendmsg+0xee/0x170 [ 1441.726594][ T1167] __sys_sendmsg+0xcd/0x170 [ 1441.726594][ T1167] do_syscall_64+0xc6/0x1e0 [ 1441.726594][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.726594][ T1167] [ 1441.729144][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1441.729144][ T1167] netdev_get_by_index+0x5e/0x80 [ 1441.729144][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1441.729144][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1441.729144][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1441.729144][ T1167] ipv6_add_addr+0x411/0x2000 [ 1441.729144][ T1167] inet6_addr_add+0x30e/0xa40 [ 1441.729144][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1441.729144][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.729144][ T1167] netlink_rcv_skb+0x130/0x360 [ 1441.729144][ T1167] netlink_unicast+0x449/0x710 [ 1441.729144][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1441.729144][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1441.729144][ T1167] ___sys_sendmsg+0xee/0x170 [ 1441.729144][ T1167] __sys_sendmsg+0xcd/0x170 [ 1441.729144][ T1167] do_syscall_64+0xc6/0x1e0 [ 1441.729144][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.729144][ T1167] [ 1441.731656][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1441.731656][ T1167] netdev_get_by_index+0x5e/0x80 [ 1441.731656][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1441.731656][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1441.731656][ T1167] ip6_route_add+0x1c/0x140 [ 1441.731656][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1441.731656][ T1167] addrconf_add_dev+0xe2/0x170 [ 1441.731656][ T1167] inet6_addr_add+0x12f/0xa40 [ 1441.731656][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1441.731656][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.731656][ T1167] netlink_rcv_skb+0x130/0x360 [ 1441.731656][ T1167] netlink_unicast+0x449/0x710 [ 1441.731656][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1441.731656][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1441.731656][ T1167] ___sys_sendmsg+0xee/0x170 [ 1441.731656][ T1167] __sys_sendmsg+0xcd/0x170 [ 1441.731656][ T1167] do_syscall_64+0xc6/0x1e0 [ 1441.731656][ T1167] [ 1441.734125][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1441.734125][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1441.734125][ T1167] ipv6_find_idev+0x102/0x170 [ 1441.734125][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1441.734125][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.734125][ T1167] netlink_rcv_skb+0x130/0x360 [ 1441.734125][ T1167] netlink_unicast+0x449/0x710 [ 1441.734125][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1441.734125][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1441.734125][ T1167] ___sys_sendmsg+0xee/0x170 [ 1441.734125][ T1167] __sys_sendmsg+0xcd/0x170 [ 1441.734125][ T1167] do_syscall_64+0xc6/0x1e0 [ 1441.734125][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.734125][ T1167] [ 1441.736052][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1441.736052][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1441.736052][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1441.736052][ T1167] ipv6_find_idev+0x102/0x170 [ 1441.736052][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1441.736052][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1441.736052][ T1167] netlink_rcv_skb+0x130/0x360 [ 1441.736052][ T1167] netlink_unicast+0x449/0x710 [ 1441.736052][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1441.736052][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1441.736052][ T1167] ___sys_sendmsg+0xee/0x170 [ 1441.736052][ T1167] __sys_sendmsg+0xcd/0x170 [ 1441.736052][ T1167] do_syscall_64+0xc6/0x1e0 [ 1441.736052][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1441.736052][ T1167] [ 1444.057136][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1444.057617][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1444.057617][ T10] netdev_get_by_index+0x5e/0x80 [ 1444.057617][ T10] fib6_nh_init+0x3d8/0x1580 [ 1444.057617][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1444.057617][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1444.057617][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1444.057617][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1444.057617][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1444.057617][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1444.057617][ T10] addrconf_dad_begin+0x310/0x670 [ 1444.057617][ T10] addrconf_dad_work+0x10b/0xab0 [ 1444.057617][ T10] process_one_work+0x84d/0x18a0 [ 1444.057617][ T10] worker_thread+0x587/0xd30 [ 1444.057617][ T10] kthread+0x28a/0x350 [ 1444.057617][ T10] ret_from_fork+0x31/0x70 [ 1444.057617][ T10] ret_from_fork_asm+0x1a/0x30 [ 1444.057617][ T10] [ 1444.059585][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1444.059585][ T10] netdev_get_by_index+0x5e/0x80 [ 1444.059585][ T10] fib6_nh_init+0x3d8/0x1580 [ 1444.059585][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1444.059585][ T10] ip6_route_add+0x1c/0x140 [ 1444.059585][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1444.059585][ T10] inet6_addr_add+0x4f8/0xa40 [ 1444.059585][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1444.059585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.059585][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.059585][ T10] netlink_unicast+0x449/0x710 [ 1444.059585][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.059585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.059585][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.059585][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.059585][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.059585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.059585][ T10] [ 1444.061644][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1444.061644][ T10] netdev_get_by_index+0x5e/0x80 [ 1444.061644][ T10] fib6_nh_init+0x3d8/0x1580 [ 1444.061644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1444.061644][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1444.061644][ T10] ipv6_add_addr+0x411/0x2000 [ 1444.061644][ T10] inet6_addr_add+0x30e/0xa40 [ 1444.061644][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1444.061644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.061644][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.061644][ T10] netlink_unicast+0x449/0x710 [ 1444.061644][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.061644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.061644][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.061644][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.061644][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.061644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.061644][ T10] [ 1444.063663][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1444.063663][ T10] netdev_get_by_index+0x5e/0x80 [ 1444.063663][ T10] fib6_nh_init+0x3d8/0x1580 [ 1444.063663][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1444.063663][ T10] ip6_route_add+0x1c/0x140 [ 1444.063663][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1444.063663][ T10] addrconf_add_dev+0xe2/0x170 [ 1444.063663][ T10] inet6_addr_add+0x12f/0xa40 [ 1444.063663][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1444.063663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.063663][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.063663][ T10] netlink_unicast+0x449/0x710 [ 1444.063663][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.063663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.063663][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.063663][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.063663][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.063663][ T10] [ 1444.065657][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1444.065657][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1444.065657][ T10] ipv6_find_idev+0x102/0x170 [ 1444.065657][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1444.065657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.065657][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.065657][ T10] netlink_unicast+0x449/0x710 [ 1444.065657][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.065657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.065657][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.065657][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.065657][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.065657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.065657][ T10] [ 1444.067198][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1444.067198][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1444.067198][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1444.067198][ T10] ipv6_find_idev+0x102/0x170 [ 1444.067198][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1444.067198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.067198][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.067198][ T10] netlink_unicast+0x449/0x710 [ 1444.067198][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.067198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.067198][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.067198][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.067198][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.067198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.067198][ T10] [ 1444.068938][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1444.069201][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1444.069201][ T10] netdev_get_by_index+0x5e/0x80 [ 1444.069201][ T10] fib6_nh_init+0x3d8/0x1580 [ 1444.069201][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1444.069201][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1444.069201][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1444.069201][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1444.069201][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1444.069201][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1444.069201][ T10] addrconf_dad_begin+0x310/0x670 [ 1444.069201][ T10] addrconf_dad_work+0x10b/0xab0 [ 1444.069201][ T10] process_one_work+0x84d/0x18a0 [ 1444.069201][ T10] worker_thread+0x587/0xd30 [ 1444.069201][ T10] kthread+0x28a/0x350 [ 1444.069201][ T10] ret_from_fork+0x31/0x70 [ 1444.069201][ T10] ret_from_fork_asm+0x1a/0x30 [ 1444.069201][ T10] [ 1444.071150][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1444.071150][ T10] netdev_get_by_index+0x5e/0x80 [ 1444.071150][ T10] fib6_nh_init+0x3d8/0x1580 [ 1444.071150][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1444.071150][ T10] ip6_route_add+0x1c/0x140 [ 1444.071150][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1444.071150][ T10] inet6_addr_add+0x4f8/0xa40 [ 1444.071150][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1444.071150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.071150][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.071150][ T10] netlink_unicast+0x449/0x710 [ 1444.071150][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.071150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.071150][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.071150][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.071150][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.071150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.071150][ T10] [ 1444.073168][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1444.073168][ T10] netdev_get_by_index+0x5e/0x80 [ 1444.073168][ T10] fib6_nh_init+0x3d8/0x1580 [ 1444.073168][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1444.073168][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1444.073168][ T10] ipv6_add_addr+0x411/0x2000 [ 1444.073168][ T10] inet6_addr_add+0x30e/0xa40 [ 1444.073168][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1444.073168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.073168][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.073168][ T10] netlink_unicast+0x449/0x710 [ 1444.073168][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.073168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.073168][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.073168][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.073168][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.073168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.073168][ T10] [ 1444.075203][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1444.075203][ T10] netdev_get_by_index+0x5e/0x80 [ 1444.075203][ T10] fib6_nh_init+0x3d8/0x1580 [ 1444.075203][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1444.075203][ T10] ip6_route_add+0x1c/0x140 [ 1444.075203][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1444.075203][ T10] addrconf_add_dev+0xe2/0x170 [ 1444.075203][ T10] inet6_addr_add+0x12f/0xa40 [ 1444.075203][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1444.075203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.075203][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.075203][ T10] netlink_unicast+0x449/0x710 [ 1444.075203][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.075203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.075203][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.075203][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.075203][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.075203][ T10] [ 1444.077176][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1444.077176][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1444.077176][ T10] ipv6_find_idev+0x102/0x170 [ 1444.077176][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1444.077176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.077176][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.077176][ T10] netlink_unicast+0x449/0x710 [ 1444.077176][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.077176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.077176][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.077176][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.077176][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.077176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.077176][ T10] [ 1444.078754][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1444.078754][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1444.078754][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1444.078754][ T10] ipv6_find_idev+0x102/0x170 [ 1444.078754][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1444.078754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.078754][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.078754][ T10] netlink_unicast+0x449/0x710 [ 1444.078754][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.078754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.078754][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.078754][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.078754][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.078754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.078754][ T10] [ 1444.080466][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1444.080716][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1444.080716][ T10] netdev_get_by_index+0x5e/0x80 [ 1444.080716][ T10] fib6_nh_init+0x3d8/0x1580 [ 1444.080716][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1444.080716][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1444.080716][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1444.080716][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1444.080716][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1444.080716][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1444.080716][ T10] addrconf_dad_begin+0x310/0x670 [ 1444.080716][ T10] addrconf_dad_work+0x10b/0xab0 [ 1444.080716][ T10] process_one_work+0x84d/0x18a0 [ 1444.080716][ T10] worker_thread+0x587/0xd30 [ 1444.080716][ T10] kthread+0x28a/0x350 [ 1444.080716][ T10] ret_from_fork+0x31/0x70 [ 1444.080716][ T10] ret_from_fork_asm+0x1a/0x30 [ 1444.080716][ T10] [ 1444.082660][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1444.082660][ T10] netdev_get_by_index+0x5e/0x80 [ 1444.082660][ T10] fib6_nh_init+0x3d8/0x1580 [ 1444.082660][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1444.082660][ T10] ip6_route_add+0x1c/0x140 [ 1444.082660][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1444.082660][ T10] inet6_addr_add+0x4f8/0xa40 [ 1444.082660][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1444.082660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.082660][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.082660][ T10] netlink_unicast+0x449/0x710 [ 1444.082660][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.082660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.082660][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.082660][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.082660][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.082660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.082660][ T10] [ 1444.084862][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1444.084862][ T10] netdev_get_by_index+0x5e/0x80 [ 1444.084862][ T10] fib6_nh_init+0x3d8/0x1580 [ 1444.084862][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1444.084862][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1444.084862][ T10] ipv6_add_addr+0x411/0x2000 [ 1444.084862][ T10] inet6_addr_add+0x30e/0xa40 [ 1444.084862][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1444.084862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.084862][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.084862][ T10] netlink_unicast+0x449/0x710 [ 1444.084862][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.084862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.084862][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.084862][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.084862][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.084862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.084862][ T10] [ 1444.087273][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1444.087273][ T10] netdev_get_by_index+0x5e/0x80 [ 1444.087273][ T10] fib6_nh_init+0x3d8/0x1580 [ 1444.087273][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1444.087273][ T10] ip6_route_add+0x1c/0x140 [ 1444.087273][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1444.087273][ T10] addrconf_add_dev+0xe2/0x170 [ 1444.087273][ T10] inet6_addr_add+0x12f/0xa40 [ 1444.087273][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1444.087273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.087273][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.087273][ T10] netlink_unicast+0x449/0x710 [ 1444.087273][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.087273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.087273][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.087273][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.087273][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.087273][ T10] [ 1444.089507][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1444.089507][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1444.089507][ T10] ipv6_find_idev+0x102/0x170 [ 1444.089507][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1444.089507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.089507][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.089507][ T10] netlink_unicast+0x449/0x710 [ 1444.089507][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.089507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.089507][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.089507][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.089507][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.089507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.089507][ T10] [ 1444.091235][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1444.091235][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1444.091235][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1444.091235][ T10] ipv6_find_idev+0x102/0x170 [ 1444.091235][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1444.091235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.091235][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.091235][ T10] netlink_unicast+0x449/0x710 [ 1444.091235][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.091235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.091235][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.091235][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.091235][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.091235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.091235][ T10] [ 1444.093126][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1444.093389][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1444.093389][ T10] netdev_get_by_index+0x5e/0x80 [ 1444.093389][ T10] fib6_nh_init+0x3d8/0x1580 [ 1444.093389][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1444.093389][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1444.093389][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1444.093389][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1444.093389][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1444.093389][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1444.093389][ T10] addrconf_dad_begin+0x310/0x670 [ 1444.093389][ T10] addrconf_dad_work+0x10b/0xab0 [ 1444.093389][ T10] process_one_work+0x84d/0x18a0 [ 1444.093389][ T10] worker_thread+0x587/0xd30 [ 1444.093389][ T10] kthread+0x28a/0x350 [ 1444.093389][ T10] ret_from_fork+0x31/0x70 [ 1444.093389][ T10] ret_from_fork_asm+0x1a/0x30 [ 1444.093389][ T10] [ 1444.095565][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1444.095565][ T10] netdev_get_by_index+0x5e/0x80 [ 1444.095565][ T10] fib6_nh_init+0x3d8/0x1580 [ 1444.095565][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1444.095565][ T10] ip6_route_add+0x1c/0x140 [ 1444.095565][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1444.095565][ T10] inet6_addr_add+0x4f8/0xa40 [ 1444.095565][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1444.095565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.095565][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.095565][ T10] netlink_unicast+0x449/0x710 [ 1444.095565][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.095565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.095565][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.095565][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.095565][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.095565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.095565][ T10] [ 1444.097896][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1444.097896][ T10] netdev_get_by_index+0x5e/0x80 [ 1444.097896][ T10] fib6_nh_init+0x3d8/0x1580 [ 1444.097896][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1444.097896][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1444.097896][ T10] ipv6_add_addr+0x411/0x2000 [ 1444.097896][ T10] inet6_addr_add+0x30e/0xa40 [ 1444.097896][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1444.097896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.097896][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.097896][ T10] netlink_unicast+0x449/0x710 [ 1444.097896][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.097896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.097896][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.097896][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.097896][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.097896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.097896][ T10] [ 1444.100146][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1444.100146][ T10] netdev_get_by_index+0x5e/0x80 [ 1444.100146][ T10] fib6_nh_init+0x3d8/0x1580 [ 1444.100146][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1444.100146][ T10] ip6_route_add+0x1c/0x140 [ 1444.100146][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1444.100146][ T10] addrconf_add_dev+0xe2/0x170 [ 1444.100146][ T10] inet6_addr_add+0x12f/0xa40 [ 1444.100146][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1444.100146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.100146][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.100146][ T10] netlink_unicast+0x449/0x710 [ 1444.100146][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.100146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.100146][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.100146][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.100146][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.100146][ T10] [ 1444.102325][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1444.102325][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1444.102325][ T10] ipv6_find_idev+0x102/0x170 [ 1444.102325][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1444.102325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.102325][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.102325][ T10] netlink_unicast+0x449/0x710 [ 1444.102325][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.102325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.102325][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.102325][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.102325][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.102325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.102325][ T10] [ 1444.104051][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1444.104051][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1444.104051][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1444.104051][ T10] ipv6_find_idev+0x102/0x170 [ 1444.104051][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1444.104051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.104051][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.104051][ T10] netlink_unicast+0x449/0x710 [ 1444.104051][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.104051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.104051][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.104051][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.104051][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.104051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.104051][ T10] [ 1451.985126][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1451.985633][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1451.985633][ T1167] dst_init+0x84/0x4a0 [ 1451.985633][ T1167] dst_alloc+0x97/0x150 [ 1451.985633][ T1167] ip6_dst_alloc+0x23/0x90 [ 1451.985633][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1451.985633][ T1167] ip6_pol_route+0x56f/0x840 [ 1451.985633][ T1167] fib6_rule_lookup+0x334/0x630 [ 1451.985633][ T1167] ip6_route_output_flags+0x259/0x480 [ 1451.985633][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1451.985633][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1451.985633][ T1167] netlink_rcv_skb+0x130/0x360 [ 1451.985633][ T1167] netlink_unicast+0x449/0x710 [ 1451.985633][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1451.985633][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1451.985633][ T1167] ___sys_sendmsg+0xee/0x170 [ 1451.985633][ T1167] __sys_sendmsg+0xcd/0x170 [ 1451.985633][ T1167] do_syscall_64+0xc6/0x1e0 [ 1451.985633][ T1167] [ 1451.988277][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1451.988277][ T1167] netdev_get_by_index+0x5e/0x80 [ 1451.988277][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1451.988277][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1451.988277][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1451.988277][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1451.988277][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1451.988277][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1451.988277][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1451.988277][ T1167] addrconf_dad_begin+0x310/0x670 [ 1451.988277][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1451.988277][ T1167] process_one_work+0x84d/0x18a0 [ 1451.988277][ T1167] worker_thread+0x587/0xd30 [ 1451.988277][ T1167] kthread+0x28a/0x350 [ 1451.988277][ T1167] ret_from_fork+0x31/0x70 [ 1451.988277][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1451.988277][ T1167] [ 1451.990829][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1451.990829][ T1167] netdev_get_by_index+0x5e/0x80 [ 1451.990829][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1451.990829][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1451.990829][ T1167] ip6_route_add+0x1c/0x140 [ 1451.990829][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1451.990829][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1451.990829][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1451.990829][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1451.990829][ T1167] netlink_rcv_skb+0x130/0x360 [ 1451.990829][ T1167] netlink_unicast+0x449/0x710 [ 1451.990829][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1451.990829][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1451.990829][ T1167] ___sys_sendmsg+0xee/0x170 [ 1451.990829][ T1167] __sys_sendmsg+0xcd/0x170 [ 1451.990829][ T1167] do_syscall_64+0xc6/0x1e0 [ 1451.990829][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1451.990829][ T1167] [ 1451.993541][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1451.993541][ T1167] netdev_get_by_index+0x5e/0x80 [ 1451.993541][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1451.993541][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1451.993541][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1451.993541][ T1167] ipv6_add_addr+0x411/0x2000 [ 1451.993541][ T1167] inet6_addr_add+0x30e/0xa40 [ 1451.993541][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1451.993541][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1451.993541][ T1167] netlink_rcv_skb+0x130/0x360 [ 1451.993541][ T1167] netlink_unicast+0x449/0x710 [ 1451.993541][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1451.993541][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1451.993541][ T1167] ___sys_sendmsg+0xee/0x170 [ 1451.993541][ T1167] __sys_sendmsg+0xcd/0x170 [ 1451.993541][ T1167] do_syscall_64+0xc6/0x1e0 [ 1451.993541][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1451.993541][ T1167] [ 1451.996225][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1451.996225][ T1167] netdev_get_by_index+0x5e/0x80 [ 1451.996225][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1451.996225][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1451.996225][ T1167] ip6_route_add+0x1c/0x140 [ 1451.996225][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1451.996225][ T1167] addrconf_add_dev+0xe2/0x170 [ 1451.996225][ T1167] inet6_addr_add+0x12f/0xa40 [ 1451.996225][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1451.996225][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1451.996225][ T1167] netlink_rcv_skb+0x130/0x360 [ 1451.996225][ T1167] netlink_unicast+0x449/0x710 [ 1451.996225][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1451.996225][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1451.996225][ T1167] ___sys_sendmsg+0xee/0x170 [ 1451.996225][ T1167] __sys_sendmsg+0xcd/0x170 [ 1451.996225][ T1167] do_syscall_64+0xc6/0x1e0 [ 1451.996225][ T1167] [ 1451.998864][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1451.998864][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1451.998864][ T1167] ipv6_find_idev+0x102/0x170 [ 1451.998864][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1451.998864][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1451.998864][ T1167] netlink_rcv_skb+0x130/0x360 [ 1451.998864][ T1167] netlink_unicast+0x449/0x710 [ 1451.998864][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1451.998864][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1451.998864][ T1167] ___sys_sendmsg+0xee/0x170 [ 1451.998864][ T1167] __sys_sendmsg+0xcd/0x170 [ 1451.998864][ T1167] do_syscall_64+0xc6/0x1e0 [ 1451.998864][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1451.998864][ T1167] [ 1452.000931][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1452.000931][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1452.000931][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1452.000931][ T1167] ipv6_find_idev+0x102/0x170 [ 1452.000931][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1452.000931][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1452.000931][ T1167] netlink_rcv_skb+0x130/0x360 [ 1452.000931][ T1167] netlink_unicast+0x449/0x710 [ 1452.000931][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1452.000931][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1452.000931][ T1167] ___sys_sendmsg+0xee/0x170 [ 1452.000931][ T1167] __sys_sendmsg+0xcd/0x170 [ 1452.000931][ T1167] do_syscall_64+0xc6/0x1e0 [ 1452.000931][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1452.000931][ T1167] [ 1454.345115][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1454.345484][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1454.345484][ T10] netdev_get_by_index+0x5e/0x80 [ 1454.345484][ T10] fib6_nh_init+0x3d8/0x1580 [ 1454.345484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1454.345484][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1454.345484][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1454.345484][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1454.345484][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1454.345484][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1454.345484][ T10] addrconf_dad_begin+0x310/0x670 [ 1454.345484][ T10] addrconf_dad_work+0x10b/0xab0 [ 1454.345484][ T10] process_one_work+0x84d/0x18a0 [ 1454.345484][ T10] worker_thread+0x587/0xd30 [ 1454.345484][ T10] kthread+0x28a/0x350 [ 1454.345484][ T10] ret_from_fork+0x31/0x70 [ 1454.345484][ T10] ret_from_fork_asm+0x1a/0x30 [ 1454.345484][ T10] [ 1454.347506][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1454.347506][ T10] netdev_get_by_index+0x5e/0x80 [ 1454.347506][ T10] fib6_nh_init+0x3d8/0x1580 [ 1454.347506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1454.347506][ T10] ip6_route_add+0x1c/0x140 [ 1454.347506][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1454.347506][ T10] inet6_addr_add+0x4f8/0xa40 [ 1454.347506][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1454.347506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1454.347506][ T10] netlink_rcv_skb+0x130/0x360 [ 1454.347506][ T10] netlink_unicast+0x449/0x710 [ 1454.347506][ T10] netlink_sendmsg+0x723/0xbe0 [ 1454.347506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1454.347506][ T10] ___sys_sendmsg+0xee/0x170 [ 1454.347506][ T10] __sys_sendmsg+0xcd/0x170 [ 1454.347506][ T10] do_syscall_64+0xc6/0x1e0 [ 1454.347506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1454.347506][ T10] [ 1454.349489][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1454.349489][ T10] netdev_get_by_index+0x5e/0x80 [ 1454.349489][ T10] fib6_nh_init+0x3d8/0x1580 [ 1454.349489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1454.349489][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1454.349489][ T10] ipv6_add_addr+0x411/0x2000 [ 1454.349489][ T10] inet6_addr_add+0x30e/0xa40 [ 1454.349489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1454.349489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1454.349489][ T10] netlink_rcv_skb+0x130/0x360 [ 1454.349489][ T10] netlink_unicast+0x449/0x710 [ 1454.349489][ T10] netlink_sendmsg+0x723/0xbe0 [ 1454.349489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1454.349489][ T10] ___sys_sendmsg+0xee/0x170 [ 1454.349489][ T10] __sys_sendmsg+0xcd/0x170 [ 1454.349489][ T10] do_syscall_64+0xc6/0x1e0 [ 1454.349489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1454.349489][ T10] [ 1454.351486][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1454.351486][ T10] netdev_get_by_index+0x5e/0x80 [ 1454.351486][ T10] fib6_nh_init+0x3d8/0x1580 [ 1454.351486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1454.351486][ T10] ip6_route_add+0x1c/0x140 [ 1454.351486][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1454.351486][ T10] addrconf_add_dev+0xe2/0x170 [ 1454.351486][ T10] inet6_addr_add+0x12f/0xa40 [ 1454.351486][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1454.351486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1454.351486][ T10] netlink_rcv_skb+0x130/0x360 [ 1454.351486][ T10] netlink_unicast+0x449/0x710 [ 1454.351486][ T10] netlink_sendmsg+0x723/0xbe0 [ 1454.351486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1454.351486][ T10] ___sys_sendmsg+0xee/0x170 [ 1454.351486][ T10] __sys_sendmsg+0xcd/0x170 [ 1454.351486][ T10] do_syscall_64+0xc6/0x1e0 [ 1454.351486][ T10] [ 1454.353439][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1454.353439][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1454.353439][ T10] ipv6_find_idev+0x102/0x170 [ 1454.353439][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1454.353439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1454.353439][ T10] netlink_rcv_skb+0x130/0x360 [ 1454.353439][ T10] netlink_unicast+0x449/0x710 [ 1454.353439][ T10] netlink_sendmsg+0x723/0xbe0 [ 1454.353439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1454.353439][ T10] ___sys_sendmsg+0xee/0x170 [ 1454.353439][ T10] __sys_sendmsg+0xcd/0x170 [ 1454.353439][ T10] do_syscall_64+0xc6/0x1e0 [ 1454.353439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1454.353439][ T10] [ 1454.354966][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1454.354966][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1454.354966][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1454.354966][ T10] ipv6_find_idev+0x102/0x170 [ 1454.354966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1454.354966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1454.354966][ T10] netlink_rcv_skb+0x130/0x360 [ 1454.354966][ T10] netlink_unicast+0x449/0x710 [ 1454.354966][ T10] netlink_sendmsg+0x723/0xbe0 [ 1454.354966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1454.354966][ T10] ___sys_sendmsg+0xee/0x170 [ 1454.354966][ T10] __sys_sendmsg+0xcd/0x170 [ 1454.354966][ T10] do_syscall_64+0xc6/0x1e0 [ 1454.354966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1454.354966][ T10] [ 1454.356642][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1454.356882][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1454.356882][ T10] netdev_get_by_index+0x5e/0x80 [ 1454.356882][ T10] fib6_nh_init+0x3d8/0x1580 [ 1454.356882][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1454.356882][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1454.356882][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1454.356882][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1454.356882][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1454.356882][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1454.356882][ T10] addrconf_dad_begin+0x310/0x670 [ 1454.356882][ T10] addrconf_dad_work+0x10b/0xab0 [ 1454.356882][ T10] process_one_work+0x84d/0x18a0 [ 1454.356882][ T10] worker_thread+0x587/0xd30 [ 1454.356882][ T10] kthread+0x28a/0x350 [ 1454.356882][ T10] ret_from_fork+0x31/0x70 [ 1454.356882][ T10] ret_from_fork_asm+0x1a/0x30 [ 1454.356882][ T10] [ 1454.358780][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1454.358780][ T10] netdev_get_by_index+0x5e/0x80 [ 1454.358780][ T10] fib6_nh_init+0x3d8/0x1580 [ 1454.358780][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1454.358780][ T10] ip6_route_add+0x1c/0x140 [ 1454.358780][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1454.358780][ T10] inet6_addr_add+0x4f8/0xa40 [ 1454.358780][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1454.358780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1454.358780][ T10] netlink_rcv_skb+0x130/0x360 [ 1454.358780][ T10] netlink_unicast+0x449/0x710 [ 1454.358780][ T10] netlink_sendmsg+0x723/0xbe0 [ 1454.358780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1454.358780][ T10] ___sys_sendmsg+0xee/0x170 [ 1454.358780][ T10] __sys_sendmsg+0xcd/0x170 [ 1454.358780][ T10] do_syscall_64+0xc6/0x1e0 [ 1454.358780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1454.358780][ T10] [ 1454.360762][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1454.360762][ T10] netdev_get_by_index+0x5e/0x80 [ 1454.360762][ T10] fib6_nh_init+0x3d8/0x1580 [ 1454.360762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1454.360762][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1454.360762][ T10] ipv6_add_addr+0x411/0x2000 [ 1454.360762][ T10] inet6_addr_add+0x30e/0xa40 [ 1454.360762][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1454.360762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1454.360762][ T10] netlink_rcv_skb+0x130/0x360 [ 1454.360762][ T10] netlink_unicast+0x449/0x710 [ 1454.360762][ T10] netlink_sendmsg+0x723/0xbe0 [ 1454.360762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1454.360762][ T10] ___sys_sendmsg+0xee/0x170 [ 1454.360762][ T10] __sys_sendmsg+0xcd/0x170 [ 1454.360762][ T10] do_syscall_64+0xc6/0x1e0 [ 1454.360762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1454.360762][ T10] [ 1454.362776][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1454.362776][ T10] netdev_get_by_index+0x5e/0x80 [ 1454.362776][ T10] fib6_nh_init+0x3d8/0x1580 [ 1454.362776][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1454.362776][ T10] ip6_route_add+0x1c/0x140 [ 1454.362776][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1454.362776][ T10] addrconf_add_dev+0xe2/0x170 [ 1454.362776][ T10] inet6_addr_add+0x12f/0xa40 [ 1454.362776][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1454.362776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1454.362776][ T10] netlink_rcv_skb+0x130/0x360 [ 1454.362776][ T10] netlink_unicast+0x449/0x710 [ 1454.362776][ T10] netlink_sendmsg+0x723/0xbe0 [ 1454.362776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1454.362776][ T10] ___sys_sendmsg+0xee/0x170 [ 1454.362776][ T10] __sys_sendmsg+0xcd/0x170 [ 1454.362776][ T10] do_syscall_64+0xc6/0x1e0 [ 1454.362776][ T10] [ 1454.364727][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1454.364727][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1454.364727][ T10] ipv6_find_idev+0x102/0x170 [ 1454.364727][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1454.364727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1454.364727][ T10] netlink_rcv_skb+0x130/0x360 [ 1454.364727][ T10] netlink_unicast+0x449/0x710 [ 1454.364727][ T10] netlink_sendmsg+0x723/0xbe0 [ 1454.364727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1454.364727][ T10] ___sys_sendmsg+0xee/0x170 [ 1454.364727][ T10] __sys_sendmsg+0xcd/0x170 [ 1454.364727][ T10] do_syscall_64+0xc6/0x1e0 [ 1454.364727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1454.364727][ T10] [ 1454.366255][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1454.366255][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1454.366255][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1454.366255][ T10] ipv6_find_idev+0x102/0x170 [ 1454.366255][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1454.366255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1454.366255][ T10] netlink_rcv_skb+0x130/0x360 [ 1454.366255][ T10] netlink_unicast+0x449/0x710 [ 1454.366255][ T10] netlink_sendmsg+0x723/0xbe0 [ 1454.366255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1454.366255][ T10] ___sys_sendmsg+0xee/0x170 [ 1454.366255][ T10] __sys_sendmsg+0xcd/0x170 [ 1454.366255][ T10] do_syscall_64+0xc6/0x1e0 [ 1454.366255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1454.366255][ T10] [ 1454.367925][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1454.368194][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1454.368194][ T10] netdev_get_by_index+0x5e/0x80 [ 1454.368194][ T10] fib6_nh_init+0x3d8/0x1580 [ 1454.368194][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1454.368194][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1454.368194][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1454.368194][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1454.368194][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1454.368194][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1454.368194][ T10] addrconf_dad_begin+0x310/0x670 [ 1454.368194][ T10] addrconf_dad_work+0x10b/0xab0 [ 1454.368194][ T10] process_one_work+0x84d/0x18a0 [ 1454.368194][ T10] worker_thread+0x587/0xd30 [ 1454.368194][ T10] kthread+0x28a/0x350 [ 1454.368194][ T10] ret_from_fork+0x31/0x70 [ 1454.368194][ T10] ret_from_fork_asm+0x1a/0x30 [ 1454.368194][ T10] [ 1454.370082][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1454.370082][ T10] netdev_get_by_index+0x5e/0x80 [ 1454.370082][ T10] fib6_nh_init+0x3d8/0x1580 [ 1454.370082][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1454.370082][ T10] ip6_route_add+0x1c/0x140 [ 1454.370082][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1454.370082][ T10] inet6_addr_add+0x4f8/0xa40 [ 1454.370082][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1454.370082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1454.370082][ T10] netlink_rcv_skb+0x130/0x360 [ 1454.370082][ T10] netlink_unicast+0x449/0x710 [ 1454.370082][ T10] netlink_sendmsg+0x723/0xbe0 [ 1454.370082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1454.370082][ T10] ___sys_sendmsg+0xee/0x170 [ 1454.370082][ T10] __sys_sendmsg+0xcd/0x170 [ 1454.370082][ T10] do_syscall_64+0xc6/0x1e0 [ 1454.370082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1454.370082][ T10] [ 1454.372257][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1454.372257][ T10] netdev_get_by_index+0x5e/0x80 [ 1454.372257][ T10] fib6_nh_init+0x3d8/0x1580 [ 1454.372257][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1454.372257][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1454.372257][ T10] ipv6_add_addr+0x411/0x2000 [ 1454.372257][ T10] inet6_addr_add+0x30e/0xa40 [ 1454.372257][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1454.372257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1454.372257][ T10] netlink_rcv_skb+0x130/0x360 [ 1454.372257][ T10] netlink_unicast+0x449/0x710 [ 1454.372257][ T10] netlink_sendmsg+0x723/0xbe0 [ 1454.372257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1454.372257][ T10] ___sys_sendmsg+0xee/0x170 [ 1454.372257][ T10] __sys_sendmsg+0xcd/0x170 [ 1454.372257][ T10] do_syscall_64+0xc6/0x1e0 [ 1454.372257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1454.372257][ T10] [ 1454.374485][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1454.374485][ T10] netdev_get_by_index+0x5e/0x80 [ 1454.374485][ T10] fib6_nh_init+0x3d8/0x1580 [ 1454.374485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1454.374485][ T10] ip6_route_add+0x1c/0x140 [ 1454.374485][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1454.374485][ T10] addrconf_add_dev+0xe2/0x170 [ 1454.374485][ T10] inet6_addr_add+0x12f/0xa40 [ 1454.374485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1454.374485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1454.374485][ T10] netlink_rcv_skb+0x130/0x360 [ 1454.374485][ T10] netlink_unicast+0x449/0x710 [ 1454.374485][ T10] netlink_sendmsg+0x723/0xbe0 [ 1454.374485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1454.374485][ T10] ___sys_sendmsg+0xee/0x170 [ 1454.374485][ T10] __sys_sendmsg+0xcd/0x170 [ 1454.374485][ T10] do_syscall_64+0xc6/0x1e0 [ 1454.374485][ T10] [ 1454.377312][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1454.377312][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1454.377312][ T10] ipv6_find_idev+0x102/0x170 [ 1454.377312][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1454.377312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1454.377312][ T10] netlink_rcv_skb+0x130/0x360 [ 1454.377312][ T10] netlink_unicast+0x449/0x710 [ 1454.377312][ T10] netlink_sendmsg+0x723/0xbe0 [ 1454.377312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1454.377312][ T10] ___sys_sendmsg+0xee/0x170 [ 1454.377312][ T10] __sys_sendmsg+0xcd/0x170 [ 1454.377312][ T10] do_syscall_64+0xc6/0x1e0 [ 1454.377312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1454.377312][ T10] [ 1454.378968][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1454.378968][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1454.378968][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1454.378968][ T10] ipv6_find_idev+0x102/0x170 [ 1454.378968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1454.378968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1454.378968][ T10] netlink_rcv_skb+0x130/0x360 [ 1454.378968][ T10] netlink_unicast+0x449/0x710 [ 1454.378968][ T10] netlink_sendmsg+0x723/0xbe0 [ 1454.378968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1454.378968][ T10] ___sys_sendmsg+0xee/0x170 [ 1454.378968][ T10] __sys_sendmsg+0xcd/0x170 [ 1454.378968][ T10] do_syscall_64+0xc6/0x1e0 [ 1454.378968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1454.378968][ T10] [ 1454.380826][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1454.381070][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1454.381070][ T10] netdev_get_by_index+0x5e/0x80 [ 1454.381070][ T10] fib6_nh_init+0x3d8/0x1580 [ 1454.381070][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1454.381070][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1454.381070][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1454.381070][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1454.381070][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1454.381070][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1454.381070][ T10] addrconf_dad_begin+0x310/0x670 [ 1454.381070][ T10] addrconf_dad_work+0x10b/0xab0 [ 1454.381070][ T10] process_one_work+0x84d/0x18a0 [ 1454.381070][ T10] worker_thread+0x587/0xd30 [ 1454.381070][ T10] kthread+0x28a/0x350 [ 1454.381070][ T10] ret_from_fork+0x31/0x70 [ 1454.381070][ T10] ret_from_fork_asm+0x1a/0x30 [ 1454.381070][ T10] [ 1454.383276][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1454.383276][ T10] netdev_get_by_index+0x5e/0x80 [ 1454.383276][ T10] fib6_nh_init+0x3d8/0x1580 [ 1454.383276][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1454.383276][ T10] ip6_route_add+0x1c/0x140 [ 1454.383276][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1454.383276][ T10] inet6_addr_add+0x4f8/0xa40 [ 1454.383276][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1454.383276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1454.383276][ T10] netlink_rcv_skb+0x130/0x360 [ 1454.383276][ T10] netlink_unicast+0x449/0x710 [ 1454.383276][ T10] netlink_sendmsg+0x723/0xbe0 [ 1454.383276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1454.383276][ T10] ___sys_sendmsg+0xee/0x170 [ 1454.383276][ T10] __sys_sendmsg+0xcd/0x170 [ 1454.383276][ T10] do_syscall_64+0xc6/0x1e0 [ 1454.383276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1454.383276][ T10] [ 1454.385495][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1454.385495][ T10] netdev_get_by_index+0x5e/0x80 [ 1454.385495][ T10] fib6_nh_init+0x3d8/0x1580 [ 1454.385495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1454.385495][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1454.385495][ T10] ipv6_add_addr+0x411/0x2000 [ 1454.385495][ T10] inet6_addr_add+0x30e/0xa40 [ 1454.385495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1454.385495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1454.385495][ T10] netlink_rcv_skb+0x130/0x360 [ 1454.385495][ T10] netlink_unicast+0x449/0x710 [ 1454.385495][ T10] netlink_sendmsg+0x723/0xbe0 [ 1454.385495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1454.385495][ T10] ___sys_sendmsg+0xee/0x170 [ 1454.385495][ T10] __sys_sendmsg+0xcd/0x170 [ 1454.385495][ T10] do_syscall_64+0xc6/0x1e0 [ 1454.385495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1454.385495][ T10] [ 1454.387653][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1454.387653][ T10] netdev_get_by_index+0x5e/0x80 [ 1454.387653][ T10] fib6_nh_init+0x3d8/0x1580 [ 1454.387653][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1454.387653][ T10] ip6_route_add+0x1c/0x140 [ 1454.387653][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1454.387653][ T10] addrconf_add_dev+0xe2/0x170 [ 1454.387653][ T10] inet6_addr_add+0x12f/0xa40 [ 1454.387653][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1454.387653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1454.387653][ T10] netlink_rcv_skb+0x130/0x360 [ 1454.387653][ T10] netlink_unicast+0x449/0x710 [ 1454.387653][ T10] netlink_sendmsg+0x723/0xbe0 [ 1454.387653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1454.387653][ T10] ___sys_sendmsg+0xee/0x170 [ 1454.387653][ T10] __sys_sendmsg+0xcd/0x170 [ 1454.387653][ T10] do_syscall_64+0xc6/0x1e0 [ 1454.387653][ T10] [ 1454.389836][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1454.389836][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1454.389836][ T10] ipv6_find_idev+0x102/0x170 [ 1454.389836][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1454.389836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1454.389836][ T10] netlink_rcv_skb+0x130/0x360 [ 1454.389836][ T10] netlink_unicast+0x449/0x710 [ 1454.389836][ T10] netlink_sendmsg+0x723/0xbe0 [ 1454.389836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1454.389836][ T10] ___sys_sendmsg+0xee/0x170 [ 1454.389836][ T10] __sys_sendmsg+0xcd/0x170 [ 1454.389836][ T10] do_syscall_64+0xc6/0x1e0 [ 1454.389836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1454.389836][ T10] [ 1454.391609][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1454.391609][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1454.391609][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1454.391609][ T10] ipv6_find_idev+0x102/0x170 [ 1454.391609][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1454.391609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1454.391609][ T10] netlink_rcv_skb+0x130/0x360 [ 1454.391609][ T10] netlink_unicast+0x449/0x710 [ 1454.391609][ T10] netlink_sendmsg+0x723/0xbe0 [ 1454.391609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1454.391609][ T10] ___sys_sendmsg+0xee/0x170 [ 1454.391609][ T10] __sys_sendmsg+0xcd/0x170 [ 1454.391609][ T10] do_syscall_64+0xc6/0x1e0 [ 1454.391609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1454.391609][ T10] [ 1462.249169][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1462.249619][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1462.249619][ T1167] dst_init+0x84/0x4a0 [ 1462.249619][ T1167] dst_alloc+0x97/0x150 [ 1462.249619][ T1167] ip6_dst_alloc+0x23/0x90 [ 1462.249619][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1462.249619][ T1167] ip6_pol_route+0x56f/0x840 [ 1462.249619][ T1167] fib6_rule_lookup+0x334/0x630 [ 1462.249619][ T1167] ip6_route_output_flags+0x259/0x480 [ 1462.249619][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1462.249619][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1462.249619][ T1167] netlink_rcv_skb+0x130/0x360 [ 1462.249619][ T1167] netlink_unicast+0x449/0x710 [ 1462.249619][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1462.249619][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1462.249619][ T1167] ___sys_sendmsg+0xee/0x170 [ 1462.249619][ T1167] __sys_sendmsg+0xcd/0x170 [ 1462.249619][ T1167] do_syscall_64+0xc6/0x1e0 [ 1462.249619][ T1167] [ 1462.251855][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1462.251855][ T1167] netdev_get_by_index+0x5e/0x80 [ 1462.251855][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1462.251855][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1462.251855][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1462.251855][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1462.251855][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1462.251855][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1462.251855][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1462.251855][ T1167] addrconf_dad_begin+0x310/0x670 [ 1462.251855][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1462.251855][ T1167] process_one_work+0x84d/0x18a0 [ 1462.251855][ T1167] worker_thread+0x587/0xd30 [ 1462.251855][ T1167] kthread+0x28a/0x350 [ 1462.251855][ T1167] ret_from_fork+0x31/0x70 [ 1462.251855][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1462.251855][ T1167] [ 1462.254030][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1462.254030][ T1167] netdev_get_by_index+0x5e/0x80 [ 1462.254030][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1462.254030][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1462.254030][ T1167] ip6_route_add+0x1c/0x140 [ 1462.254030][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1462.254030][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1462.254030][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1462.254030][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.254030][ T1167] netlink_rcv_skb+0x130/0x360 [ 1462.254030][ T1167] netlink_unicast+0x449/0x710 [ 1462.254030][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1462.254030][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1462.254030][ T1167] ___sys_sendmsg+0xee/0x170 [ 1462.254030][ T1167] __sys_sendmsg+0xcd/0x170 [ 1462.254030][ T1167] do_syscall_64+0xc6/0x1e0 [ 1462.254030][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1462.254030][ T1167] [ 1462.256368][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1462.256368][ T1167] netdev_get_by_index+0x5e/0x80 [ 1462.256368][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1462.256368][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1462.256368][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1462.256368][ T1167] ipv6_add_addr+0x411/0x2000 [ 1462.256368][ T1167] inet6_addr_add+0x30e/0xa40 [ 1462.256368][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1462.256368][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.256368][ T1167] netlink_rcv_skb+0x130/0x360 [ 1462.256368][ T1167] netlink_unicast+0x449/0x710 [ 1462.256368][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1462.256368][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1462.256368][ T1167] ___sys_sendmsg+0xee/0x170 [ 1462.256368][ T1167] __sys_sendmsg+0xcd/0x170 [ 1462.256368][ T1167] do_syscall_64+0xc6/0x1e0 [ 1462.256368][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1462.256368][ T1167] [ 1462.258673][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1462.258673][ T1167] netdev_get_by_index+0x5e/0x80 [ 1462.258673][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1462.258673][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1462.258673][ T1167] ip6_route_add+0x1c/0x140 [ 1462.258673][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1462.258673][ T1167] addrconf_add_dev+0xe2/0x170 [ 1462.258673][ T1167] inet6_addr_add+0x12f/0xa40 [ 1462.258673][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1462.258673][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.258673][ T1167] netlink_rcv_skb+0x130/0x360 [ 1462.258673][ T1167] netlink_unicast+0x449/0x710 [ 1462.258673][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1462.258673][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1462.258673][ T1167] ___sys_sendmsg+0xee/0x170 [ 1462.258673][ T1167] __sys_sendmsg+0xcd/0x170 [ 1462.258673][ T1167] do_syscall_64+0xc6/0x1e0 [ 1462.258673][ T1167] [ 1462.260929][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1462.260929][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1462.260929][ T1167] ipv6_find_idev+0x102/0x170 [ 1462.260929][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1462.260929][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.260929][ T1167] netlink_rcv_skb+0x130/0x360 [ 1462.260929][ T1167] netlink_unicast+0x449/0x710 [ 1462.260929][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1462.260929][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1462.260929][ T1167] ___sys_sendmsg+0xee/0x170 [ 1462.260929][ T1167] __sys_sendmsg+0xcd/0x170 [ 1462.260929][ T1167] do_syscall_64+0xc6/0x1e0 [ 1462.260929][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1462.260929][ T1167] [ 1462.262675][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1462.262675][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1462.262675][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1462.262675][ T1167] ipv6_find_idev+0x102/0x170 [ 1462.262675][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1462.262675][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1462.262675][ T1167] netlink_rcv_skb+0x130/0x360 [ 1462.262675][ T1167] netlink_unicast+0x449/0x710 [ 1462.262675][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1462.262675][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1462.262675][ T1167] ___sys_sendmsg+0xee/0x170 [ 1462.262675][ T1167] __sys_sendmsg+0xcd/0x170 [ 1462.262675][ T1167] do_syscall_64+0xc6/0x1e0 [ 1462.262675][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1462.262675][ T1167] [ 1464.633126][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1464.633476][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1464.633476][ T10] netdev_get_by_index+0x5e/0x80 [ 1464.633476][ T10] fib6_nh_init+0x3d8/0x1580 [ 1464.633476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1464.633476][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1464.633476][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1464.633476][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1464.633476][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1464.633476][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1464.633476][ T10] addrconf_dad_begin+0x310/0x670 [ 1464.633476][ T10] addrconf_dad_work+0x10b/0xab0 [ 1464.633476][ T10] process_one_work+0x84d/0x18a0 [ 1464.633476][ T10] worker_thread+0x587/0xd30 [ 1464.633476][ T10] kthread+0x28a/0x350 [ 1464.633476][ T10] ret_from_fork+0x31/0x70 [ 1464.633476][ T10] ret_from_fork_asm+0x1a/0x30 [ 1464.633476][ T10] [ 1464.635443][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1464.635443][ T10] netdev_get_by_index+0x5e/0x80 [ 1464.635443][ T10] fib6_nh_init+0x3d8/0x1580 [ 1464.635443][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1464.635443][ T10] ip6_route_add+0x1c/0x140 [ 1464.635443][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1464.635443][ T10] inet6_addr_add+0x4f8/0xa40 [ 1464.635443][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1464.635443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1464.635443][ T10] netlink_rcv_skb+0x130/0x360 [ 1464.635443][ T10] netlink_unicast+0x449/0x710 [ 1464.635443][ T10] netlink_sendmsg+0x723/0xbe0 [ 1464.635443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1464.635443][ T10] ___sys_sendmsg+0xee/0x170 [ 1464.635443][ T10] __sys_sendmsg+0xcd/0x170 [ 1464.635443][ T10] do_syscall_64+0xc6/0x1e0 [ 1464.635443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1464.635443][ T10] [ 1464.637459][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1464.637459][ T10] netdev_get_by_index+0x5e/0x80 [ 1464.637459][ T10] fib6_nh_init+0x3d8/0x1580 [ 1464.637459][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1464.637459][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1464.637459][ T10] ipv6_add_addr+0x411/0x2000 [ 1464.637459][ T10] inet6_addr_add+0x30e/0xa40 [ 1464.637459][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1464.637459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1464.637459][ T10] netlink_rcv_skb+0x130/0x360 [ 1464.637459][ T10] netlink_unicast+0x449/0x710 [ 1464.637459][ T10] netlink_sendmsg+0x723/0xbe0 [ 1464.637459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1464.637459][ T10] ___sys_sendmsg+0xee/0x170 [ 1464.637459][ T10] __sys_sendmsg+0xcd/0x170 [ 1464.637459][ T10] do_syscall_64+0xc6/0x1e0 [ 1464.637459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1464.637459][ T10] [ 1464.639434][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1464.639434][ T10] netdev_get_by_index+0x5e/0x80 [ 1464.639434][ T10] fib6_nh_init+0x3d8/0x1580 [ 1464.639434][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1464.639434][ T10] ip6_route_add+0x1c/0x140 [ 1464.639434][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1464.639434][ T10] addrconf_add_dev+0xe2/0x170 [ 1464.639434][ T10] inet6_addr_add+0x12f/0xa40 [ 1464.639434][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1464.639434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1464.639434][ T10] netlink_rcv_skb+0x130/0x360 [ 1464.639434][ T10] netlink_unicast+0x449/0x710 [ 1464.639434][ T10] netlink_sendmsg+0x723/0xbe0 [ 1464.639434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1464.639434][ T10] ___sys_sendmsg+0xee/0x170 [ 1464.639434][ T10] __sys_sendmsg+0xcd/0x170 [ 1464.639434][ T10] do_syscall_64+0xc6/0x1e0 [ 1464.639434][ T10] [ 1464.641422][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1464.641422][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1464.641422][ T10] ipv6_find_idev+0x102/0x170 [ 1464.641422][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1464.641422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1464.641422][ T10] netlink_rcv_skb+0x130/0x360 [ 1464.641422][ T10] netlink_unicast+0x449/0x710 [ 1464.641422][ T10] netlink_sendmsg+0x723/0xbe0 [ 1464.641422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1464.641422][ T10] ___sys_sendmsg+0xee/0x170 [ 1464.641422][ T10] __sys_sendmsg+0xcd/0x170 [ 1464.641422][ T10] do_syscall_64+0xc6/0x1e0 [ 1464.641422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1464.641422][ T10] [ 1464.642982][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1464.642982][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1464.642982][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1464.642982][ T10] ipv6_find_idev+0x102/0x170 [ 1464.642982][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1464.642982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1464.642982][ T10] netlink_rcv_skb+0x130/0x360 [ 1464.642982][ T10] netlink_unicast+0x449/0x710 [ 1464.642982][ T10] netlink_sendmsg+0x723/0xbe0 [ 1464.642982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1464.642982][ T10] ___sys_sendmsg+0xee/0x170 [ 1464.642982][ T10] __sys_sendmsg+0xcd/0x170 [ 1464.642982][ T10] do_syscall_64+0xc6/0x1e0 [ 1464.642982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1464.642982][ T10] [ 1464.644708][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1464.644951][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1464.644951][ T10] netdev_get_by_index+0x5e/0x80 [ 1464.644951][ T10] fib6_nh_init+0x3d8/0x1580 [ 1464.644951][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1464.644951][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1464.644951][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1464.644951][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1464.644951][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1464.644951][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1464.644951][ T10] addrconf_dad_begin+0x310/0x670 [ 1464.644951][ T10] addrconf_dad_work+0x10b/0xab0 [ 1464.644951][ T10] process_one_work+0x84d/0x18a0 [ 1464.644951][ T10] worker_thread+0x587/0xd30 [ 1464.644951][ T10] kthread+0x28a/0x350 [ 1464.644951][ T10] ret_from_fork+0x31/0x70 [ 1464.644951][ T10] ret_from_fork_asm+0x1a/0x30 [ 1464.644951][ T10] [ 1464.646865][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1464.646865][ T10] netdev_get_by_index+0x5e/0x80 [ 1464.646865][ T10] fib6_nh_init+0x3d8/0x1580 [ 1464.646865][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1464.646865][ T10] ip6_route_add+0x1c/0x140 [ 1464.646865][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1464.646865][ T10] inet6_addr_add+0x4f8/0xa40 [ 1464.646865][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1464.646865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1464.646865][ T10] netlink_rcv_skb+0x130/0x360 [ 1464.646865][ T10] netlink_unicast+0x449/0x710 [ 1464.646865][ T10] netlink_sendmsg+0x723/0xbe0 [ 1464.646865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1464.646865][ T10] ___sys_sendmsg+0xee/0x170 [ 1464.646865][ T10] __sys_sendmsg+0xcd/0x170 [ 1464.646865][ T10] do_syscall_64+0xc6/0x1e0 [ 1464.646865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1464.646865][ T10] [ 1464.648842][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1464.648842][ T10] netdev_get_by_index+0x5e/0x80 [ 1464.648842][ T10] fib6_nh_init+0x3d8/0x1580 [ 1464.648842][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1464.648842][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1464.648842][ T10] ipv6_add_addr+0x411/0x2000 [ 1464.648842][ T10] inet6_addr_add+0x30e/0xa40 [ 1464.648842][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1464.648842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1464.648842][ T10] netlink_rcv_skb+0x130/0x360 [ 1464.648842][ T10] netlink_unicast+0x449/0x710 [ 1464.648842][ T10] netlink_sendmsg+0x723/0xbe0 [ 1464.648842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1464.648842][ T10] ___sys_sendmsg+0xee/0x170 [ 1464.648842][ T10] __sys_sendmsg+0xcd/0x170 [ 1464.648842][ T10] do_syscall_64+0xc6/0x1e0 [ 1464.648842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1464.648842][ T10] [ 1464.650820][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1464.650820][ T10] netdev_get_by_index+0x5e/0x80 [ 1464.650820][ T10] fib6_nh_init+0x3d8/0x1580 [ 1464.650820][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1464.650820][ T10] ip6_route_add+0x1c/0x140 [ 1464.650820][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1464.650820][ T10] addrconf_add_dev+0xe2/0x170 [ 1464.650820][ T10] inet6_addr_add+0x12f/0xa40 [ 1464.650820][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1464.650820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1464.650820][ T10] netlink_rcv_skb+0x130/0x360 [ 1464.650820][ T10] netlink_unicast+0x449/0x710 [ 1464.650820][ T10] netlink_sendmsg+0x723/0xbe0 [ 1464.650820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1464.650820][ T10] ___sys_sendmsg+0xee/0x170 [ 1464.650820][ T10] __sys_sendmsg+0xcd/0x170 [ 1464.650820][ T10] do_syscall_64+0xc6/0x1e0 [ 1464.650820][ T10] [ 1464.652779][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1464.652779][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1464.652779][ T10] ipv6_find_idev+0x102/0x170 [ 1464.652779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1464.652779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1464.652779][ T10] netlink_rcv_skb+0x130/0x360 [ 1464.652779][ T10] netlink_unicast+0x449/0x710 [ 1464.652779][ T10] netlink_sendmsg+0x723/0xbe0 [ 1464.652779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1464.652779][ T10] ___sys_sendmsg+0xee/0x170 [ 1464.652779][ T10] __sys_sendmsg+0xcd/0x170 [ 1464.652779][ T10] do_syscall_64+0xc6/0x1e0 [ 1464.652779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1464.652779][ T10] [ 1464.654345][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1464.654345][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1464.654345][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1464.654345][ T10] ipv6_find_idev+0x102/0x170 [ 1464.654345][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1464.654345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1464.654345][ T10] netlink_rcv_skb+0x130/0x360 [ 1464.654345][ T10] netlink_unicast+0x449/0x710 [ 1464.654345][ T10] netlink_sendmsg+0x723/0xbe0 [ 1464.654345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1464.654345][ T10] ___sys_sendmsg+0xee/0x170 [ 1464.654345][ T10] __sys_sendmsg+0xcd/0x170 [ 1464.654345][ T10] do_syscall_64+0xc6/0x1e0 [ 1464.654345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1464.654345][ T10] [ 1464.656027][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1464.656267][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1464.656267][ T10] netdev_get_by_index+0x5e/0x80 [ 1464.656267][ T10] fib6_nh_init+0x3d8/0x1580 [ 1464.656267][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1464.656267][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1464.656267][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1464.656267][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1464.656267][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1464.656267][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1464.656267][ T10] addrconf_dad_begin+0x310/0x670 [ 1464.656267][ T10] addrconf_dad_work+0x10b/0xab0 [ 1464.656267][ T10] process_one_work+0x84d/0x18a0 [ 1464.656267][ T10] worker_thread+0x587/0xd30 [ 1464.656267][ T10] kthread+0x28a/0x350 [ 1464.656267][ T10] ret_from_fork+0x31/0x70 [ 1464.656267][ T10] ret_from_fork_asm+0x1a/0x30 [ 1464.656267][ T10] [ 1464.658187][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1464.658187][ T10] netdev_get_by_index+0x5e/0x80 [ 1464.658187][ T10] fib6_nh_init+0x3d8/0x1580 [ 1464.658187][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1464.658187][ T10] ip6_route_add+0x1c/0x140 [ 1464.658187][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1464.658187][ T10] inet6_addr_add+0x4f8/0xa40 [ 1464.658187][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1464.658187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1464.658187][ T10] netlink_rcv_skb+0x130/0x360 [ 1464.658187][ T10] netlink_unicast+0x449/0x710 [ 1464.658187][ T10] netlink_sendmsg+0x723/0xbe0 [ 1464.658187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1464.658187][ T10] ___sys_sendmsg+0xee/0x170 [ 1464.658187][ T10] __sys_sendmsg+0xcd/0x170 [ 1464.658187][ T10] do_syscall_64+0xc6/0x1e0 [ 1464.658187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1464.658187][ T10] [ 1464.660335][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1464.660335][ T10] netdev_get_by_index+0x5e/0x80 [ 1464.660335][ T10] fib6_nh_init+0x3d8/0x1580 [ 1464.660335][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1464.660335][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1464.660335][ T10] ipv6_add_addr+0x411/0x2000 [ 1464.660335][ T10] inet6_addr_add+0x30e/0xa40 [ 1464.660335][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1464.660335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1464.660335][ T10] netlink_rcv_skb+0x130/0x360 [ 1464.660335][ T10] netlink_unicast+0x449/0x710 [ 1464.660335][ T10] netlink_sendmsg+0x723/0xbe0 [ 1464.660335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1464.660335][ T10] ___sys_sendmsg+0xee/0x170 [ 1464.660335][ T10] __sys_sendmsg+0xcd/0x170 [ 1464.660335][ T10] do_syscall_64+0xc6/0x1e0 [ 1464.660335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1464.660335][ T10] [ 1464.663019][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1464.663019][ T10] netdev_get_by_index+0x5e/0x80 [ 1464.663019][ T10] fib6_nh_init+0x3d8/0x1580 [ 1464.663019][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1464.663019][ T10] ip6_route_add+0x1c/0x140 [ 1464.663019][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1464.663019][ T10] addrconf_add_dev+0xe2/0x170 [ 1464.663019][ T10] inet6_addr_add+0x12f/0xa40 [ 1464.663019][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1464.663019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1464.663019][ T10] netlink_rcv_skb+0x130/0x360 [ 1464.663019][ T10] netlink_unicast+0x449/0x710 [ 1464.663019][ T10] netlink_sendmsg+0x723/0xbe0 [ 1464.663019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1464.663019][ T10] ___sys_sendmsg+0xee/0x170 [ 1464.663019][ T10] __sys_sendmsg+0xcd/0x170 [ 1464.663019][ T10] do_syscall_64+0xc6/0x1e0 [ 1464.663019][ T10] [ 1464.665121][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1464.665121][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1464.665121][ T10] ipv6_find_idev+0x102/0x170 [ 1464.665121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1464.665121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1464.665121][ T10] netlink_rcv_skb+0x130/0x360 [ 1464.665121][ T10] netlink_unicast+0x449/0x710 [ 1464.665121][ T10] netlink_sendmsg+0x723/0xbe0 [ 1464.665121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1464.665121][ T10] ___sys_sendmsg+0xee/0x170 [ 1464.665121][ T10] __sys_sendmsg+0xcd/0x170 [ 1464.665121][ T10] do_syscall_64+0xc6/0x1e0 [ 1464.665121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1464.665121][ T10] [ 1464.666705][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1464.666705][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1464.666705][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1464.666705][ T10] ipv6_find_idev+0x102/0x170 [ 1464.666705][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1464.666705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1464.666705][ T10] netlink_rcv_skb+0x130/0x360 [ 1464.666705][ T10] netlink_unicast+0x449/0x710 [ 1464.666705][ T10] netlink_sendmsg+0x723/0xbe0 [ 1464.666705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1464.666705][ T10] ___sys_sendmsg+0xee/0x170 [ 1464.666705][ T10] __sys_sendmsg+0xcd/0x170 [ 1464.666705][ T10] do_syscall_64+0xc6/0x1e0 [ 1464.666705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1464.666705][ T10] [ 1464.668569][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1464.668809][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1464.668809][ T10] netdev_get_by_index+0x5e/0x80 [ 1464.668809][ T10] fib6_nh_init+0x3d8/0x1580 [ 1464.668809][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1464.668809][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1464.668809][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1464.668809][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1464.668809][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1464.668809][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1464.668809][ T10] addrconf_dad_begin+0x310/0x670 [ 1464.668809][ T10] addrconf_dad_work+0x10b/0xab0 [ 1464.668809][ T10] process_one_work+0x84d/0x18a0 [ 1464.668809][ T10] worker_thread+0x587/0xd30 [ 1464.668809][ T10] kthread+0x28a/0x350 [ 1464.668809][ T10] ret_from_fork+0x31/0x70 [ 1464.668809][ T10] ret_from_fork_asm+0x1a/0x30 [ 1464.668809][ T10] [ 1464.671255][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1464.671255][ T10] netdev_get_by_index+0x5e/0x80 [ 1464.671255][ T10] fib6_nh_init+0x3d8/0x1580 [ 1464.671255][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1464.671255][ T10] ip6_route_add+0x1c/0x140 [ 1464.671255][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1464.671255][ T10] inet6_addr_add+0x4f8/0xa40 [ 1464.671255][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1464.671255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1464.671255][ T10] netlink_rcv_skb+0x130/0x360 [ 1464.671255][ T10] netlink_unicast+0x449/0x710 [ 1464.671255][ T10] netlink_sendmsg+0x723/0xbe0 [ 1464.671255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1464.671255][ T10] ___sys_sendmsg+0xee/0x170 [ 1464.671255][ T10] __sys_sendmsg+0xcd/0x170 [ 1464.671255][ T10] do_syscall_64+0xc6/0x1e0 [ 1464.671255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1464.671255][ T10] [ 1464.673343][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1464.673343][ T10] netdev_get_by_index+0x5e/0x80 [ 1464.673343][ T10] fib6_nh_init+0x3d8/0x1580 [ 1464.673343][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1464.673343][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1464.673343][ T10] ipv6_add_addr+0x411/0x2000 [ 1464.673343][ T10] inet6_addr_add+0x30e/0xa40 [ 1464.673343][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1464.673343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1464.673343][ T10] netlink_rcv_skb+0x130/0x360 [ 1464.673343][ T10] netlink_unicast+0x449/0x710 [ 1464.673343][ T10] netlink_sendmsg+0x723/0xbe0 [ 1464.673343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1464.673343][ T10] ___sys_sendmsg+0xee/0x170 [ 1464.673343][ T10] __sys_sendmsg+0xcd/0x170 [ 1464.673343][ T10] do_syscall_64+0xc6/0x1e0 [ 1464.673343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1464.673343][ T10] [ 1464.675469][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1464.675469][ T10] netdev_get_by_index+0x5e/0x80 [ 1464.675469][ T10] fib6_nh_init+0x3d8/0x1580 [ 1464.675469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1464.675469][ T10] ip6_route_add+0x1c/0x140 [ 1464.675469][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1464.675469][ T10] addrconf_add_dev+0xe2/0x170 [ 1464.675469][ T10] inet6_addr_add+0x12f/0xa40 [ 1464.675469][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1464.675469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1464.675469][ T10] netlink_rcv_skb+0x130/0x360 [ 1464.675469][ T10] netlink_unicast+0x449/0x710 [ 1464.675469][ T10] netlink_sendmsg+0x723/0xbe0 [ 1464.675469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1464.675469][ T10] ___sys_sendmsg+0xee/0x170 [ 1464.675469][ T10] __sys_sendmsg+0xcd/0x170 [ 1464.675469][ T10] do_syscall_64+0xc6/0x1e0 [ 1464.675469][ T10] [ 1464.677648][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1464.677648][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1464.677648][ T10] ipv6_find_idev+0x102/0x170 [ 1464.677648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1464.677648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1464.677648][ T10] netlink_rcv_skb+0x130/0x360 [ 1464.677648][ T10] netlink_unicast+0x449/0x710 [ 1464.677648][ T10] netlink_sendmsg+0x723/0xbe0 [ 1464.677648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1464.677648][ T10] ___sys_sendmsg+0xee/0x170 [ 1464.677648][ T10] __sys_sendmsg+0xcd/0x170 [ 1464.677648][ T10] do_syscall_64+0xc6/0x1e0 [ 1464.677648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1464.677648][ T10] [ 1464.679252][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1464.679252][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1464.679252][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1464.679252][ T10] ipv6_find_idev+0x102/0x170 [ 1464.679252][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1464.679252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1464.679252][ T10] netlink_rcv_skb+0x130/0x360 [ 1464.679252][ T10] netlink_unicast+0x449/0x710 [ 1464.679252][ T10] netlink_sendmsg+0x723/0xbe0 [ 1464.679252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1464.679252][ T10] ___sys_sendmsg+0xee/0x170 [ 1464.679252][ T10] __sys_sendmsg+0xcd/0x170 [ 1464.679252][ T10] do_syscall_64+0xc6/0x1e0 [ 1464.679252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1464.679252][ T10] [ 1472.513053][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1472.513500][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1472.513500][ T1167] dst_init+0x84/0x4a0 [ 1472.513500][ T1167] dst_alloc+0x97/0x150 [ 1472.513500][ T1167] ip6_dst_alloc+0x23/0x90 [ 1472.513500][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1472.513500][ T1167] ip6_pol_route+0x56f/0x840 [ 1472.513500][ T1167] fib6_rule_lookup+0x334/0x630 [ 1472.513500][ T1167] ip6_route_output_flags+0x259/0x480 [ 1472.513500][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1472.513500][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1472.513500][ T1167] netlink_rcv_skb+0x130/0x360 [ 1472.513500][ T1167] netlink_unicast+0x449/0x710 [ 1472.513500][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1472.513500][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1472.513500][ T1167] ___sys_sendmsg+0xee/0x170 [ 1472.513500][ T1167] __sys_sendmsg+0xcd/0x170 [ 1472.513500][ T1167] do_syscall_64+0xc6/0x1e0 [ 1472.513500][ T1167] [ 1472.515778][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1472.515778][ T1167] netdev_get_by_index+0x5e/0x80 [ 1472.515778][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1472.515778][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1472.515778][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1472.515778][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1472.515778][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1472.515778][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1472.515778][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1472.515778][ T1167] addrconf_dad_begin+0x310/0x670 [ 1472.515778][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1472.515778][ T1167] process_one_work+0x84d/0x18a0 [ 1472.515778][ T1167] worker_thread+0x587/0xd30 [ 1472.515778][ T1167] kthread+0x28a/0x350 [ 1472.515778][ T1167] ret_from_fork+0x31/0x70 [ 1472.515778][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1472.515778][ T1167] [ 1472.517957][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1472.517957][ T1167] netdev_get_by_index+0x5e/0x80 [ 1472.517957][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1472.517957][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1472.517957][ T1167] ip6_route_add+0x1c/0x140 [ 1472.517957][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1472.517957][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1472.517957][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1472.517957][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.517957][ T1167] netlink_rcv_skb+0x130/0x360 [ 1472.517957][ T1167] netlink_unicast+0x449/0x710 [ 1472.517957][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1472.517957][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1472.517957][ T1167] ___sys_sendmsg+0xee/0x170 [ 1472.517957][ T1167] __sys_sendmsg+0xcd/0x170 [ 1472.517957][ T1167] do_syscall_64+0xc6/0x1e0 [ 1472.517957][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.517957][ T1167] [ 1472.520229][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1472.520229][ T1167] netdev_get_by_index+0x5e/0x80 [ 1472.520229][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1472.520229][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1472.520229][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1472.520229][ T1167] ipv6_add_addr+0x411/0x2000 [ 1472.520229][ T1167] inet6_addr_add+0x30e/0xa40 [ 1472.520229][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1472.520229][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.520229][ T1167] netlink_rcv_skb+0x130/0x360 [ 1472.520229][ T1167] netlink_unicast+0x449/0x710 [ 1472.520229][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1472.520229][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1472.520229][ T1167] ___sys_sendmsg+0xee/0x170 [ 1472.520229][ T1167] __sys_sendmsg+0xcd/0x170 [ 1472.520229][ T1167] do_syscall_64+0xc6/0x1e0 [ 1472.520229][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.520229][ T1167] [ 1472.522518][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1472.522518][ T1167] netdev_get_by_index+0x5e/0x80 [ 1472.522518][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1472.522518][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1472.522518][ T1167] ip6_route_add+0x1c/0x140 [ 1472.522518][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1472.522518][ T1167] addrconf_add_dev+0xe2/0x170 [ 1472.522518][ T1167] inet6_addr_add+0x12f/0xa40 [ 1472.522518][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1472.522518][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.522518][ T1167] netlink_rcv_skb+0x130/0x360 [ 1472.522518][ T1167] netlink_unicast+0x449/0x710 [ 1472.522518][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1472.522518][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1472.522518][ T1167] ___sys_sendmsg+0xee/0x170 [ 1472.522518][ T1167] __sys_sendmsg+0xcd/0x170 [ 1472.522518][ T1167] do_syscall_64+0xc6/0x1e0 [ 1472.522518][ T1167] [ 1472.524746][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1472.524746][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1472.524746][ T1167] ipv6_find_idev+0x102/0x170 [ 1472.524746][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1472.524746][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.524746][ T1167] netlink_rcv_skb+0x130/0x360 [ 1472.524746][ T1167] netlink_unicast+0x449/0x710 [ 1472.524746][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1472.524746][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1472.524746][ T1167] ___sys_sendmsg+0xee/0x170 [ 1472.524746][ T1167] __sys_sendmsg+0xcd/0x170 [ 1472.524746][ T1167] do_syscall_64+0xc6/0x1e0 [ 1472.524746][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.524746][ T1167] [ 1472.526494][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1472.526494][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1472.526494][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1472.526494][ T1167] ipv6_find_idev+0x102/0x170 [ 1472.526494][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1472.526494][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1472.526494][ T1167] netlink_rcv_skb+0x130/0x360 [ 1472.526494][ T1167] netlink_unicast+0x449/0x710 [ 1472.526494][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1472.526494][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1472.526494][ T1167] ___sys_sendmsg+0xee/0x170 [ 1472.526494][ T1167] __sys_sendmsg+0xcd/0x170 [ 1472.526494][ T1167] do_syscall_64+0xc6/0x1e0 [ 1472.526494][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1472.526494][ T1167] [ 1474.793158][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1474.793570][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1474.793570][ T10] netdev_get_by_index+0x5e/0x80 [ 1474.793570][ T10] fib6_nh_init+0x3d8/0x1580 [ 1474.793570][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1474.793570][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1474.793570][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1474.793570][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1474.793570][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1474.793570][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1474.793570][ T10] addrconf_dad_begin+0x310/0x670 [ 1474.793570][ T10] addrconf_dad_work+0x10b/0xab0 [ 1474.793570][ T10] process_one_work+0x84d/0x18a0 [ 1474.793570][ T10] worker_thread+0x587/0xd30 [ 1474.793570][ T10] kthread+0x28a/0x350 [ 1474.793570][ T10] ret_from_fork+0x31/0x70 [ 1474.793570][ T10] ret_from_fork_asm+0x1a/0x30 [ 1474.793570][ T10] [ 1474.795494][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1474.795494][ T10] netdev_get_by_index+0x5e/0x80 [ 1474.795494][ T10] fib6_nh_init+0x3d8/0x1580 [ 1474.795494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1474.795494][ T10] ip6_route_add+0x1c/0x140 [ 1474.795494][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1474.795494][ T10] inet6_addr_add+0x4f8/0xa40 [ 1474.795494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1474.795494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1474.795494][ T10] netlink_rcv_skb+0x130/0x360 [ 1474.795494][ T10] netlink_unicast+0x449/0x710 [ 1474.795494][ T10] netlink_sendmsg+0x723/0xbe0 [ 1474.795494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1474.795494][ T10] ___sys_sendmsg+0xee/0x170 [ 1474.795494][ T10] __sys_sendmsg+0xcd/0x170 [ 1474.795494][ T10] do_syscall_64+0xc6/0x1e0 [ 1474.795494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1474.795494][ T10] [ 1474.797509][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1474.797509][ T10] netdev_get_by_index+0x5e/0x80 [ 1474.797509][ T10] fib6_nh_init+0x3d8/0x1580 [ 1474.797509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1474.797509][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1474.797509][ T10] ipv6_add_addr+0x411/0x2000 [ 1474.797509][ T10] inet6_addr_add+0x30e/0xa40 [ 1474.797509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1474.797509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1474.797509][ T10] netlink_rcv_skb+0x130/0x360 [ 1474.797509][ T10] netlink_unicast+0x449/0x710 [ 1474.797509][ T10] netlink_sendmsg+0x723/0xbe0 [ 1474.797509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1474.797509][ T10] ___sys_sendmsg+0xee/0x170 [ 1474.797509][ T10] __sys_sendmsg+0xcd/0x170 [ 1474.797509][ T10] do_syscall_64+0xc6/0x1e0 [ 1474.797509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1474.797509][ T10] [ 1474.799510][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1474.799510][ T10] netdev_get_by_index+0x5e/0x80 [ 1474.799510][ T10] fib6_nh_init+0x3d8/0x1580 [ 1474.799510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1474.799510][ T10] ip6_route_add+0x1c/0x140 [ 1474.799510][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1474.799510][ T10] addrconf_add_dev+0xe2/0x170 [ 1474.799510][ T10] inet6_addr_add+0x12f/0xa40 [ 1474.799510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1474.799510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1474.799510][ T10] netlink_rcv_skb+0x130/0x360 [ 1474.799510][ T10] netlink_unicast+0x449/0x710 [ 1474.799510][ T10] netlink_sendmsg+0x723/0xbe0 [ 1474.799510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1474.799510][ T10] ___sys_sendmsg+0xee/0x170 [ 1474.799510][ T10] __sys_sendmsg+0xcd/0x170 [ 1474.799510][ T10] do_syscall_64+0xc6/0x1e0 [ 1474.799510][ T10] [ 1474.801597][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1474.801597][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1474.801597][ T10] ipv6_find_idev+0x102/0x170 [ 1474.801597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1474.801597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1474.801597][ T10] netlink_rcv_skb+0x130/0x360 [ 1474.801597][ T10] netlink_unicast+0x449/0x710 [ 1474.801597][ T10] netlink_sendmsg+0x723/0xbe0 [ 1474.801597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1474.801597][ T10] ___sys_sendmsg+0xee/0x170 [ 1474.801597][ T10] __sys_sendmsg+0xcd/0x170 [ 1474.801597][ T10] do_syscall_64+0xc6/0x1e0 [ 1474.801597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1474.801597][ T10] [ 1474.803123][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1474.803123][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1474.803123][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1474.803123][ T10] ipv6_find_idev+0x102/0x170 [ 1474.803123][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1474.803123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1474.803123][ T10] netlink_rcv_skb+0x130/0x360 [ 1474.803123][ T10] netlink_unicast+0x449/0x710 [ 1474.803123][ T10] netlink_sendmsg+0x723/0xbe0 [ 1474.803123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1474.803123][ T10] ___sys_sendmsg+0xee/0x170 [ 1474.803123][ T10] __sys_sendmsg+0xcd/0x170 [ 1474.803123][ T10] do_syscall_64+0xc6/0x1e0 [ 1474.803123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1474.803123][ T10] [ 1474.804786][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1474.805026][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1474.805026][ T10] netdev_get_by_index+0x5e/0x80 [ 1474.805026][ T10] fib6_nh_init+0x3d8/0x1580 [ 1474.805026][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1474.805026][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1474.805026][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1474.805026][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1474.805026][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1474.805026][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1474.805026][ T10] addrconf_dad_begin+0x310/0x670 [ 1474.805026][ T10] addrconf_dad_work+0x10b/0xab0 [ 1474.805026][ T10] process_one_work+0x84d/0x18a0 [ 1474.805026][ T10] worker_thread+0x587/0xd30 [ 1474.805026][ T10] kthread+0x28a/0x350 [ 1474.805026][ T10] ret_from_fork+0x31/0x70 [ 1474.805026][ T10] ret_from_fork_asm+0x1a/0x30 [ 1474.805026][ T10] [ 1474.807315][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1474.807315][ T10] netdev_get_by_index+0x5e/0x80 [ 1474.807315][ T10] fib6_nh_init+0x3d8/0x1580 [ 1474.807315][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1474.807315][ T10] ip6_route_add+0x1c/0x140 [ 1474.807315][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1474.807315][ T10] inet6_addr_add+0x4f8/0xa40 [ 1474.807315][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1474.807315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1474.807315][ T10] netlink_rcv_skb+0x130/0x360 [ 1474.807315][ T10] netlink_unicast+0x449/0x710 [ 1474.807315][ T10] netlink_sendmsg+0x723/0xbe0 [ 1474.807315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1474.807315][ T10] ___sys_sendmsg+0xee/0x170 [ 1474.807315][ T10] __sys_sendmsg+0xcd/0x170 [ 1474.807315][ T10] do_syscall_64+0xc6/0x1e0 [ 1474.807315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1474.807315][ T10] [ 1474.809297][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1474.809297][ T10] netdev_get_by_index+0x5e/0x80 [ 1474.809297][ T10] fib6_nh_init+0x3d8/0x1580 [ 1474.809297][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1474.809297][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1474.809297][ T10] ipv6_add_addr+0x411/0x2000 [ 1474.809297][ T10] inet6_addr_add+0x30e/0xa40 [ 1474.809297][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1474.809297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1474.809297][ T10] netlink_rcv_skb+0x130/0x360 [ 1474.809297][ T10] netlink_unicast+0x449/0x710 [ 1474.809297][ T10] netlink_sendmsg+0x723/0xbe0 [ 1474.809297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1474.809297][ T10] ___sys_sendmsg+0xee/0x170 [ 1474.809297][ T10] __sys_sendmsg+0xcd/0x170 [ 1474.809297][ T10] do_syscall_64+0xc6/0x1e0 [ 1474.809297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1474.809297][ T10] [ 1474.811278][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1474.811278][ T10] netdev_get_by_index+0x5e/0x80 [ 1474.811278][ T10] fib6_nh_init+0x3d8/0x1580 [ 1474.811278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1474.811278][ T10] ip6_route_add+0x1c/0x140 [ 1474.811278][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1474.811278][ T10] addrconf_add_dev+0xe2/0x170 [ 1474.811278][ T10] inet6_addr_add+0x12f/0xa40 [ 1474.811278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1474.811278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1474.811278][ T10] netlink_rcv_skb+0x130/0x360 [ 1474.811278][ T10] netlink_unicast+0x449/0x710 [ 1474.811278][ T10] netlink_sendmsg+0x723/0xbe0 [ 1474.811278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1474.811278][ T10] ___sys_sendmsg+0xee/0x170 [ 1474.811278][ T10] __sys_sendmsg+0xcd/0x170 [ 1474.811278][ T10] do_syscall_64+0xc6/0x1e0 [ 1474.811278][ T10] [ 1474.813220][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1474.813220][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1474.813220][ T10] ipv6_find_idev+0x102/0x170 [ 1474.813220][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1474.813220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1474.813220][ T10] netlink_rcv_skb+0x130/0x360 [ 1474.813220][ T10] netlink_unicast+0x449/0x710 [ 1474.813220][ T10] netlink_sendmsg+0x723/0xbe0 [ 1474.813220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1474.813220][ T10] ___sys_sendmsg+0xee/0x170 [ 1474.813220][ T10] __sys_sendmsg+0xcd/0x170 [ 1474.813220][ T10] do_syscall_64+0xc6/0x1e0 [ 1474.813220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1474.813220][ T10] [ 1474.814748][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1474.814748][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1474.814748][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1474.814748][ T10] ipv6_find_idev+0x102/0x170 [ 1474.814748][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1474.814748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1474.814748][ T10] netlink_rcv_skb+0x130/0x360 [ 1474.814748][ T10] netlink_unicast+0x449/0x710 [ 1474.814748][ T10] netlink_sendmsg+0x723/0xbe0 [ 1474.814748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1474.814748][ T10] ___sys_sendmsg+0xee/0x170 [ 1474.814748][ T10] __sys_sendmsg+0xcd/0x170 [ 1474.814748][ T10] do_syscall_64+0xc6/0x1e0 [ 1474.814748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1474.814748][ T10] [ 1474.816410][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1474.816653][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1474.816653][ T10] netdev_get_by_index+0x5e/0x80 [ 1474.816653][ T10] fib6_nh_init+0x3d8/0x1580 [ 1474.816653][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1474.816653][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1474.816653][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1474.816653][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1474.816653][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1474.816653][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1474.816653][ T10] addrconf_dad_begin+0x310/0x670 [ 1474.816653][ T10] addrconf_dad_work+0x10b/0xab0 [ 1474.816653][ T10] process_one_work+0x84d/0x18a0 [ 1474.816653][ T10] worker_thread+0x587/0xd30 [ 1474.816653][ T10] kthread+0x28a/0x350 [ 1474.816653][ T10] ret_from_fork+0x31/0x70 [ 1474.816653][ T10] ret_from_fork_asm+0x1a/0x30 [ 1474.816653][ T10] [ 1474.818540][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1474.818540][ T10] netdev_get_by_index+0x5e/0x80 [ 1474.818540][ T10] fib6_nh_init+0x3d8/0x1580 [ 1474.818540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1474.818540][ T10] ip6_route_add+0x1c/0x140 [ 1474.818540][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1474.818540][ T10] inet6_addr_add+0x4f8/0xa40 [ 1474.818540][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1474.818540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1474.818540][ T10] netlink_rcv_skb+0x130/0x360 [ 1474.818540][ T10] netlink_unicast+0x449/0x710 [ 1474.818540][ T10] netlink_sendmsg+0x723/0xbe0 [ 1474.818540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1474.818540][ T10] ___sys_sendmsg+0xee/0x170 [ 1474.818540][ T10] __sys_sendmsg+0xcd/0x170 [ 1474.818540][ T10] do_syscall_64+0xc6/0x1e0 [ 1474.818540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1474.818540][ T10] [ 1474.820821][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1474.820821][ T10] netdev_get_by_index+0x5e/0x80 [ 1474.820821][ T10] fib6_nh_init+0x3d8/0x1580 [ 1474.820821][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1474.820821][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1474.820821][ T10] ipv6_add_addr+0x411/0x2000 [ 1474.820821][ T10] inet6_addr_add+0x30e/0xa40 [ 1474.820821][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1474.820821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1474.820821][ T10] netlink_rcv_skb+0x130/0x360 [ 1474.820821][ T10] netlink_unicast+0x449/0x710 [ 1474.820821][ T10] netlink_sendmsg+0x723/0xbe0 [ 1474.820821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1474.820821][ T10] ___sys_sendmsg+0xee/0x170 [ 1474.820821][ T10] __sys_sendmsg+0xcd/0x170 [ 1474.820821][ T10] do_syscall_64+0xc6/0x1e0 [ 1474.820821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1474.820821][ T10] [ 1474.823035][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1474.823035][ T10] netdev_get_by_index+0x5e/0x80 [ 1474.823035][ T10] fib6_nh_init+0x3d8/0x1580 [ 1474.823035][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1474.823035][ T10] ip6_route_add+0x1c/0x140 [ 1474.823035][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1474.823035][ T10] addrconf_add_dev+0xe2/0x170 [ 1474.823035][ T10] inet6_addr_add+0x12f/0xa40 [ 1474.823035][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1474.823035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1474.823035][ T10] netlink_rcv_skb+0x130/0x360 [ 1474.823035][ T10] netlink_unicast+0x449/0x710 [ 1474.823035][ T10] netlink_sendmsg+0x723/0xbe0 [ 1474.823035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1474.823035][ T10] ___sys_sendmsg+0xee/0x170 [ 1474.823035][ T10] __sys_sendmsg+0xcd/0x170 [ 1474.823035][ T10] do_syscall_64+0xc6/0x1e0 [ 1474.823035][ T10] [ 1474.825153][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1474.825153][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1474.825153][ T10] ipv6_find_idev+0x102/0x170 [ 1474.825153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1474.825153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1474.825153][ T10] netlink_rcv_skb+0x130/0x360 [ 1474.825153][ T10] netlink_unicast+0x449/0x710 [ 1474.825153][ T10] netlink_sendmsg+0x723/0xbe0 [ 1474.825153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1474.825153][ T10] ___sys_sendmsg+0xee/0x170 [ 1474.825153][ T10] __sys_sendmsg+0xcd/0x170 [ 1474.825153][ T10] do_syscall_64+0xc6/0x1e0 [ 1474.825153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1474.825153][ T10] [ 1474.826861][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1474.826861][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1474.826861][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1474.826861][ T10] ipv6_find_idev+0x102/0x170 [ 1474.826861][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1474.826861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1474.826861][ T10] netlink_rcv_skb+0x130/0x360 [ 1474.826861][ T10] netlink_unicast+0x449/0x710 [ 1474.826861][ T10] netlink_sendmsg+0x723/0xbe0 [ 1474.826861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1474.826861][ T10] ___sys_sendmsg+0xee/0x170 [ 1474.826861][ T10] __sys_sendmsg+0xcd/0x170 [ 1474.826861][ T10] do_syscall_64+0xc6/0x1e0 [ 1474.826861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1474.826861][ T10] [ 1474.828736][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1474.828989][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1474.828989][ T10] netdev_get_by_index+0x5e/0x80 [ 1474.828989][ T10] fib6_nh_init+0x3d8/0x1580 [ 1474.828989][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1474.828989][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1474.828989][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1474.828989][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1474.828989][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1474.828989][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1474.828989][ T10] addrconf_dad_begin+0x310/0x670 [ 1474.828989][ T10] addrconf_dad_work+0x10b/0xab0 [ 1474.828989][ T10] process_one_work+0x84d/0x18a0 [ 1474.828989][ T10] worker_thread+0x587/0xd30 [ 1474.828989][ T10] kthread+0x28a/0x350 [ 1474.828989][ T10] ret_from_fork+0x31/0x70 [ 1474.828989][ T10] ret_from_fork_asm+0x1a/0x30 [ 1474.828989][ T10] [ 1474.831182][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1474.831182][ T10] netdev_get_by_index+0x5e/0x80 [ 1474.831182][ T10] fib6_nh_init+0x3d8/0x1580 [ 1474.831182][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1474.831182][ T10] ip6_route_add+0x1c/0x140 [ 1474.831182][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1474.831182][ T10] inet6_addr_add+0x4f8/0xa40 [ 1474.831182][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1474.831182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1474.831182][ T10] netlink_rcv_skb+0x130/0x360 [ 1474.831182][ T10] netlink_unicast+0x449/0x710 [ 1474.831182][ T10] netlink_sendmsg+0x723/0xbe0 [ 1474.831182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1474.831182][ T10] ___sys_sendmsg+0xee/0x170 [ 1474.831182][ T10] __sys_sendmsg+0xcd/0x170 [ 1474.831182][ T10] do_syscall_64+0xc6/0x1e0 [ 1474.831182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1474.831182][ T10] [ 1474.833346][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1474.833346][ T10] netdev_get_by_index+0x5e/0x80 [ 1474.833346][ T10] fib6_nh_init+0x3d8/0x1580 [ 1474.833346][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1474.833346][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1474.833346][ T10] ipv6_add_addr+0x411/0x2000 [ 1474.833346][ T10] inet6_addr_add+0x30e/0xa40 [ 1474.833346][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1474.833346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1474.833346][ T10] netlink_rcv_skb+0x130/0x360 [ 1474.833346][ T10] netlink_unicast+0x449/0x710 [ 1474.833346][ T10] netlink_sendmsg+0x723/0xbe0 [ 1474.833346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1474.833346][ T10] ___sys_sendmsg+0xee/0x170 [ 1474.833346][ T10] __sys_sendmsg+0xcd/0x170 [ 1474.833346][ T10] do_syscall_64+0xc6/0x1e0 [ 1474.833346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1474.833346][ T10] [ 1474.835564][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1474.835564][ T10] netdev_get_by_index+0x5e/0x80 [ 1474.835564][ T10] fib6_nh_init+0x3d8/0x1580 [ 1474.835564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1474.835564][ T10] ip6_route_add+0x1c/0x140 [ 1474.835564][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1474.835564][ T10] addrconf_add_dev+0xe2/0x170 [ 1474.835564][ T10] inet6_addr_add+0x12f/0xa40 [ 1474.835564][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1474.835564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1474.835564][ T10] netlink_rcv_skb+0x130/0x360 [ 1474.835564][ T10] netlink_unicast+0x449/0x710 [ 1474.835564][ T10] netlink_sendmsg+0x723/0xbe0 [ 1474.835564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1474.835564][ T10] ___sys_sendmsg+0xee/0x170 [ 1474.835564][ T10] __sys_sendmsg+0xcd/0x170 [ 1474.835564][ T10] do_syscall_64+0xc6/0x1e0 [ 1474.835564][ T10] [ 1474.837747][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1474.837747][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1474.837747][ T10] ipv6_find_idev+0x102/0x170 [ 1474.837747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1474.837747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1474.837747][ T10] netlink_rcv_skb+0x130/0x360 [ 1474.837747][ T10] netlink_unicast+0x449/0x710 [ 1474.837747][ T10] netlink_sendmsg+0x723/0xbe0 [ 1474.837747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1474.837747][ T10] ___sys_sendmsg+0xee/0x170 [ 1474.837747][ T10] __sys_sendmsg+0xcd/0x170 [ 1474.837747][ T10] do_syscall_64+0xc6/0x1e0 [ 1474.837747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1474.837747][ T10] [ 1474.839506][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1474.839506][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1474.839506][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1474.839506][ T10] ipv6_find_idev+0x102/0x170 [ 1474.839506][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1474.839506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1474.839506][ T10] netlink_rcv_skb+0x130/0x360 [ 1474.839506][ T10] netlink_unicast+0x449/0x710 [ 1474.839506][ T10] netlink_sendmsg+0x723/0xbe0 [ 1474.839506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1474.839506][ T10] ___sys_sendmsg+0xee/0x170 [ 1474.839506][ T10] __sys_sendmsg+0xcd/0x170 [ 1474.839506][ T10] do_syscall_64+0xc6/0x1e0 [ 1474.839506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1474.839506][ T10] [ 1482.777251][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1482.777768][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1482.777768][ T1167] dst_init+0x84/0x4a0 [ 1482.777768][ T1167] dst_alloc+0x97/0x150 [ 1482.777768][ T1167] ip6_dst_alloc+0x23/0x90 [ 1482.777768][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1482.777768][ T1167] ip6_pol_route+0x56f/0x840 [ 1482.777768][ T1167] fib6_rule_lookup+0x334/0x630 [ 1482.777768][ T1167] ip6_route_output_flags+0x259/0x480 [ 1482.777768][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1482.777768][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1482.777768][ T1167] netlink_rcv_skb+0x130/0x360 [ 1482.777768][ T1167] netlink_unicast+0x449/0x710 [ 1482.777768][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1482.777768][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1482.777768][ T1167] ___sys_sendmsg+0xee/0x170 [ 1482.777768][ T1167] __sys_sendmsg+0xcd/0x170 [ 1482.777768][ T1167] do_syscall_64+0xc6/0x1e0 [ 1482.777768][ T1167] [ 1482.779985][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1482.779985][ T1167] netdev_get_by_index+0x5e/0x80 [ 1482.779985][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1482.779985][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1482.779985][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1482.779985][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1482.779985][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1482.779985][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1482.779985][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1482.779985][ T1167] addrconf_dad_begin+0x310/0x670 [ 1482.779985][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1482.779985][ T1167] process_one_work+0x84d/0x18a0 [ 1482.779985][ T1167] worker_thread+0x587/0xd30 [ 1482.779985][ T1167] kthread+0x28a/0x350 [ 1482.779985][ T1167] ret_from_fork+0x31/0x70 [ 1482.779985][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1482.779985][ T1167] [ 1482.782157][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1482.782157][ T1167] netdev_get_by_index+0x5e/0x80 [ 1482.782157][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1482.782157][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1482.782157][ T1167] ip6_route_add+0x1c/0x140 [ 1482.782157][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1482.782157][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1482.782157][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1482.782157][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.782157][ T1167] netlink_rcv_skb+0x130/0x360 [ 1482.782157][ T1167] netlink_unicast+0x449/0x710 [ 1482.782157][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1482.782157][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1482.782157][ T1167] ___sys_sendmsg+0xee/0x170 [ 1482.782157][ T1167] __sys_sendmsg+0xcd/0x170 [ 1482.782157][ T1167] do_syscall_64+0xc6/0x1e0 [ 1482.782157][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.782157][ T1167] [ 1482.784420][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1482.784420][ T1167] netdev_get_by_index+0x5e/0x80 [ 1482.784420][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1482.784420][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1482.784420][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1482.784420][ T1167] ipv6_add_addr+0x411/0x2000 [ 1482.784420][ T1167] inet6_addr_add+0x30e/0xa40 [ 1482.784420][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1482.784420][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.784420][ T1167] netlink_rcv_skb+0x130/0x360 [ 1482.784420][ T1167] netlink_unicast+0x449/0x710 [ 1482.784420][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1482.784420][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1482.784420][ T1167] ___sys_sendmsg+0xee/0x170 [ 1482.784420][ T1167] __sys_sendmsg+0xcd/0x170 [ 1482.784420][ T1167] do_syscall_64+0xc6/0x1e0 [ 1482.784420][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.784420][ T1167] [ 1482.786676][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1482.786676][ T1167] netdev_get_by_index+0x5e/0x80 [ 1482.786676][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1482.786676][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1482.786676][ T1167] ip6_route_add+0x1c/0x140 [ 1482.786676][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1482.786676][ T1167] addrconf_add_dev+0xe2/0x170 [ 1482.786676][ T1167] inet6_addr_add+0x12f/0xa40 [ 1482.786676][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1482.786676][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.786676][ T1167] netlink_rcv_skb+0x130/0x360 [ 1482.786676][ T1167] netlink_unicast+0x449/0x710 [ 1482.786676][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1482.786676][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1482.786676][ T1167] ___sys_sendmsg+0xee/0x170 [ 1482.786676][ T1167] __sys_sendmsg+0xcd/0x170 [ 1482.786676][ T1167] do_syscall_64+0xc6/0x1e0 [ 1482.786676][ T1167] [ 1482.788896][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1482.788896][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1482.788896][ T1167] ipv6_find_idev+0x102/0x170 [ 1482.788896][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1482.788896][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.788896][ T1167] netlink_rcv_skb+0x130/0x360 [ 1482.788896][ T1167] netlink_unicast+0x449/0x710 [ 1482.788896][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1482.788896][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1482.788896][ T1167] ___sys_sendmsg+0xee/0x170 [ 1482.788896][ T1167] __sys_sendmsg+0xcd/0x170 [ 1482.788896][ T1167] do_syscall_64+0xc6/0x1e0 [ 1482.788896][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.788896][ T1167] [ 1482.790638][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1482.790638][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1482.790638][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1482.790638][ T1167] ipv6_find_idev+0x102/0x170 [ 1482.790638][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1482.790638][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1482.790638][ T1167] netlink_rcv_skb+0x130/0x360 [ 1482.790638][ T1167] netlink_unicast+0x449/0x710 [ 1482.790638][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1482.790638][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1482.790638][ T1167] ___sys_sendmsg+0xee/0x170 [ 1482.790638][ T1167] __sys_sendmsg+0xcd/0x170 [ 1482.790638][ T1167] do_syscall_64+0xc6/0x1e0 [ 1482.790638][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1482.790638][ T1167] [ 1485.081097][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1485.081526][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1485.081526][ T10] netdev_get_by_index+0x5e/0x80 [ 1485.081526][ T10] fib6_nh_init+0x3d8/0x1580 [ 1485.081526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1485.081526][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1485.081526][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1485.081526][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1485.081526][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1485.081526][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1485.081526][ T10] addrconf_dad_begin+0x310/0x670 [ 1485.081526][ T10] addrconf_dad_work+0x10b/0xab0 [ 1485.081526][ T10] process_one_work+0x84d/0x18a0 [ 1485.081526][ T10] worker_thread+0x587/0xd30 [ 1485.081526][ T10] kthread+0x28a/0x350 [ 1485.081526][ T10] ret_from_fork+0x31/0x70 [ 1485.081526][ T10] ret_from_fork_asm+0x1a/0x30 [ 1485.081526][ T10] [ 1485.083443][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1485.083443][ T10] netdev_get_by_index+0x5e/0x80 [ 1485.083443][ T10] fib6_nh_init+0x3d8/0x1580 [ 1485.083443][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1485.083443][ T10] ip6_route_add+0x1c/0x140 [ 1485.083443][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1485.083443][ T10] inet6_addr_add+0x4f8/0xa40 [ 1485.083443][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1485.083443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1485.083443][ T10] netlink_rcv_skb+0x130/0x360 [ 1485.083443][ T10] netlink_unicast+0x449/0x710 [ 1485.083443][ T10] netlink_sendmsg+0x723/0xbe0 [ 1485.083443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1485.083443][ T10] ___sys_sendmsg+0xee/0x170 [ 1485.083443][ T10] __sys_sendmsg+0xcd/0x170 [ 1485.083443][ T10] do_syscall_64+0xc6/0x1e0 [ 1485.083443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1485.083443][ T10] [ 1485.085435][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1485.085435][ T10] netdev_get_by_index+0x5e/0x80 [ 1485.085435][ T10] fib6_nh_init+0x3d8/0x1580 [ 1485.085435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1485.085435][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1485.085435][ T10] ipv6_add_addr+0x411/0x2000 [ 1485.085435][ T10] inet6_addr_add+0x30e/0xa40 [ 1485.085435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1485.085435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1485.085435][ T10] netlink_rcv_skb+0x130/0x360 [ 1485.085435][ T10] netlink_unicast+0x449/0x710 [ 1485.085435][ T10] netlink_sendmsg+0x723/0xbe0 [ 1485.085435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1485.085435][ T10] ___sys_sendmsg+0xee/0x170 [ 1485.085435][ T10] __sys_sendmsg+0xcd/0x170 [ 1485.085435][ T10] do_syscall_64+0xc6/0x1e0 [ 1485.085435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1485.085435][ T10] [ 1485.087445][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1485.087445][ T10] netdev_get_by_index+0x5e/0x80 [ 1485.087445][ T10] fib6_nh_init+0x3d8/0x1580 [ 1485.087445][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1485.087445][ T10] ip6_route_add+0x1c/0x140 [ 1485.087445][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1485.087445][ T10] addrconf_add_dev+0xe2/0x170 [ 1485.087445][ T10] inet6_addr_add+0x12f/0xa40 [ 1485.087445][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1485.087445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1485.087445][ T10] netlink_rcv_skb+0x130/0x360 [ 1485.087445][ T10] netlink_unicast+0x449/0x710 [ 1485.087445][ T10] netlink_sendmsg+0x723/0xbe0 [ 1485.087445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1485.087445][ T10] ___sys_sendmsg+0xee/0x170 [ 1485.087445][ T10] __sys_sendmsg+0xcd/0x170 [ 1485.087445][ T10] do_syscall_64+0xc6/0x1e0 [ 1485.087445][ T10] [ 1485.089400][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1485.089400][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1485.089400][ T10] ipv6_find_idev+0x102/0x170 [ 1485.089400][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1485.089400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1485.089400][ T10] netlink_rcv_skb+0x130/0x360 [ 1485.089400][ T10] netlink_unicast+0x449/0x710 [ 1485.089400][ T10] netlink_sendmsg+0x723/0xbe0 [ 1485.089400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1485.089400][ T10] ___sys_sendmsg+0xee/0x170 [ 1485.089400][ T10] __sys_sendmsg+0xcd/0x170 [ 1485.089400][ T10] do_syscall_64+0xc6/0x1e0 [ 1485.089400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1485.089400][ T10] [ 1485.090921][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1485.090921][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1485.090921][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1485.090921][ T10] ipv6_find_idev+0x102/0x170 [ 1485.090921][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1485.090921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1485.090921][ T10] netlink_rcv_skb+0x130/0x360 [ 1485.090921][ T10] netlink_unicast+0x449/0x710 [ 1485.090921][ T10] netlink_sendmsg+0x723/0xbe0 [ 1485.090921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1485.090921][ T10] ___sys_sendmsg+0xee/0x170 [ 1485.090921][ T10] __sys_sendmsg+0xcd/0x170 [ 1485.090921][ T10] do_syscall_64+0xc6/0x1e0 [ 1485.090921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1485.090921][ T10] [ 1485.092612][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1485.092860][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1485.092860][ T10] netdev_get_by_index+0x5e/0x80 [ 1485.092860][ T10] fib6_nh_init+0x3d8/0x1580 [ 1485.092860][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1485.092860][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1485.092860][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1485.092860][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1485.092860][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1485.092860][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1485.092860][ T10] addrconf_dad_begin+0x310/0x670 [ 1485.092860][ T10] addrconf_dad_work+0x10b/0xab0 [ 1485.092860][ T10] process_one_work+0x84d/0x18a0 [ 1485.092860][ T10] worker_thread+0x587/0xd30 [ 1485.092860][ T10] kthread+0x28a/0x350 [ 1485.092860][ T10] ret_from_fork+0x31/0x70 [ 1485.092860][ T10] ret_from_fork_asm+0x1a/0x30 [ 1485.092860][ T10] [ 1485.094748][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1485.094748][ T10] netdev_get_by_index+0x5e/0x80 [ 1485.094748][ T10] fib6_nh_init+0x3d8/0x1580 [ 1485.094748][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1485.094748][ T10] ip6_route_add+0x1c/0x140 [ 1485.094748][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1485.094748][ T10] inet6_addr_add+0x4f8/0xa40 [ 1485.094748][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1485.094748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1485.094748][ T10] netlink_rcv_skb+0x130/0x360 [ 1485.094748][ T10] netlink_unicast+0x449/0x710 [ 1485.094748][ T10] netlink_sendmsg+0x723/0xbe0 [ 1485.094748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1485.094748][ T10] ___sys_sendmsg+0xee/0x170 [ 1485.094748][ T10] __sys_sendmsg+0xcd/0x170 [ 1485.094748][ T10] do_syscall_64+0xc6/0x1e0 [ 1485.094748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1485.094748][ T10] [ 1485.096738][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1485.096738][ T10] netdev_get_by_index+0x5e/0x80 [ 1485.096738][ T10] fib6_nh_init+0x3d8/0x1580 [ 1485.096738][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1485.096738][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1485.096738][ T10] ipv6_add_addr+0x411/0x2000 [ 1485.096738][ T10] inet6_addr_add+0x30e/0xa40 [ 1485.096738][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1485.096738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1485.096738][ T10] netlink_rcv_skb+0x130/0x360 [ 1485.096738][ T10] netlink_unicast+0x449/0x710 [ 1485.096738][ T10] netlink_sendmsg+0x723/0xbe0 [ 1485.096738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1485.096738][ T10] ___sys_sendmsg+0xee/0x170 [ 1485.096738][ T10] __sys_sendmsg+0xcd/0x170 [ 1485.096738][ T10] do_syscall_64+0xc6/0x1e0 [ 1485.096738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1485.096738][ T10] [ 1485.098712][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1485.098712][ T10] netdev_get_by_index+0x5e/0x80 [ 1485.098712][ T10] fib6_nh_init+0x3d8/0x1580 [ 1485.098712][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1485.098712][ T10] ip6_route_add+0x1c/0x140 [ 1485.098712][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1485.098712][ T10] addrconf_add_dev+0xe2/0x170 [ 1485.098712][ T10] inet6_addr_add+0x12f/0xa40 [ 1485.098712][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1485.098712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1485.098712][ T10] netlink_rcv_skb+0x130/0x360 [ 1485.098712][ T10] netlink_unicast+0x449/0x710 [ 1485.098712][ T10] netlink_sendmsg+0x723/0xbe0 [ 1485.098712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1485.098712][ T10] ___sys_sendmsg+0xee/0x170 [ 1485.098712][ T10] __sys_sendmsg+0xcd/0x170 [ 1485.098712][ T10] do_syscall_64+0xc6/0x1e0 [ 1485.098712][ T10] [ 1485.100655][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1485.100655][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1485.100655][ T10] ipv6_find_idev+0x102/0x170 [ 1485.100655][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1485.100655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1485.100655][ T10] netlink_rcv_skb+0x130/0x360 [ 1485.100655][ T10] netlink_unicast+0x449/0x710 [ 1485.100655][ T10] netlink_sendmsg+0x723/0xbe0 [ 1485.100655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1485.100655][ T10] ___sys_sendmsg+0xee/0x170 [ 1485.100655][ T10] __sys_sendmsg+0xcd/0x170 [ 1485.100655][ T10] do_syscall_64+0xc6/0x1e0 [ 1485.100655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1485.100655][ T10] [ 1485.102178][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1485.102178][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1485.102178][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1485.102178][ T10] ipv6_find_idev+0x102/0x170 [ 1485.102178][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1485.102178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1485.102178][ T10] netlink_rcv_skb+0x130/0x360 [ 1485.102178][ T10] netlink_unicast+0x449/0x710 [ 1485.102178][ T10] netlink_sendmsg+0x723/0xbe0 [ 1485.102178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1485.102178][ T10] ___sys_sendmsg+0xee/0x170 [ 1485.102178][ T10] __sys_sendmsg+0xcd/0x170 [ 1485.102178][ T10] do_syscall_64+0xc6/0x1e0 [ 1485.102178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1485.102178][ T10] [ 1485.103867][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1485.104112][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1485.104112][ T10] netdev_get_by_index+0x5e/0x80 [ 1485.104112][ T10] fib6_nh_init+0x3d8/0x1580 [ 1485.104112][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1485.104112][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1485.104112][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1485.104112][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1485.104112][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1485.104112][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1485.104112][ T10] addrconf_dad_begin+0x310/0x670 [ 1485.104112][ T10] addrconf_dad_work+0x10b/0xab0 [ 1485.104112][ T10] process_one_work+0x84d/0x18a0 [ 1485.104112][ T10] worker_thread+0x587/0xd30 [ 1485.104112][ T10] kthread+0x28a/0x350 [ 1485.104112][ T10] ret_from_fork+0x31/0x70 [ 1485.104112][ T10] ret_from_fork_asm+0x1a/0x30 [ 1485.104112][ T10] [ 1485.106011][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1485.106011][ T10] netdev_get_by_index+0x5e/0x80 [ 1485.106011][ T10] fib6_nh_init+0x3d8/0x1580 [ 1485.106011][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1485.106011][ T10] ip6_route_add+0x1c/0x140 [ 1485.106011][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1485.106011][ T10] inet6_addr_add+0x4f8/0xa40 [ 1485.106011][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1485.106011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1485.106011][ T10] netlink_rcv_skb+0x130/0x360 [ 1485.106011][ T10] netlink_unicast+0x449/0x710 [ 1485.106011][ T10] netlink_sendmsg+0x723/0xbe0 [ 1485.106011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1485.106011][ T10] ___sys_sendmsg+0xee/0x170 [ 1485.106011][ T10] __sys_sendmsg+0xcd/0x170 [ 1485.106011][ T10] do_syscall_64+0xc6/0x1e0 [ 1485.106011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1485.106011][ T10] [ 1485.108293][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1485.108293][ T10] netdev_get_by_index+0x5e/0x80 [ 1485.108293][ T10] fib6_nh_init+0x3d8/0x1580 [ 1485.108293][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1485.108293][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1485.108293][ T10] ipv6_add_addr+0x411/0x2000 [ 1485.108293][ T10] inet6_addr_add+0x30e/0xa40 [ 1485.108293][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1485.108293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1485.108293][ T10] netlink_rcv_skb+0x130/0x360 [ 1485.108293][ T10] netlink_unicast+0x449/0x710 [ 1485.108293][ T10] netlink_sendmsg+0x723/0xbe0 [ 1485.108293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1485.108293][ T10] ___sys_sendmsg+0xee/0x170 [ 1485.108293][ T10] __sys_sendmsg+0xcd/0x170 [ 1485.108293][ T10] do_syscall_64+0xc6/0x1e0 [ 1485.108293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1485.108293][ T10] [ 1485.110509][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1485.110509][ T10] netdev_get_by_index+0x5e/0x80 [ 1485.110509][ T10] fib6_nh_init+0x3d8/0x1580 [ 1485.110509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1485.110509][ T10] ip6_route_add+0x1c/0x140 [ 1485.110509][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1485.110509][ T10] addrconf_add_dev+0xe2/0x170 [ 1485.110509][ T10] inet6_addr_add+0x12f/0xa40 [ 1485.110509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1485.110509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1485.110509][ T10] netlink_rcv_skb+0x130/0x360 [ 1485.110509][ T10] netlink_unicast+0x449/0x710 [ 1485.110509][ T10] netlink_sendmsg+0x723/0xbe0 [ 1485.110509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1485.110509][ T10] ___sys_sendmsg+0xee/0x170 [ 1485.110509][ T10] __sys_sendmsg+0xcd/0x170 [ 1485.110509][ T10] do_syscall_64+0xc6/0x1e0 [ 1485.110509][ T10] [ 1485.112645][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1485.112645][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1485.112645][ T10] ipv6_find_idev+0x102/0x170 [ 1485.112645][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1485.112645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1485.112645][ T10] netlink_rcv_skb+0x130/0x360 [ 1485.112645][ T10] netlink_unicast+0x449/0x710 [ 1485.112645][ T10] netlink_sendmsg+0x723/0xbe0 [ 1485.112645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1485.112645][ T10] ___sys_sendmsg+0xee/0x170 [ 1485.112645][ T10] __sys_sendmsg+0xcd/0x170 [ 1485.112645][ T10] do_syscall_64+0xc6/0x1e0 [ 1485.112645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1485.112645][ T10] [ 1485.114354][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1485.114354][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1485.114354][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1485.114354][ T10] ipv6_find_idev+0x102/0x170 [ 1485.114354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1485.114354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1485.114354][ T10] netlink_rcv_skb+0x130/0x360 [ 1485.114354][ T10] netlink_unicast+0x449/0x710 [ 1485.114354][ T10] netlink_sendmsg+0x723/0xbe0 [ 1485.114354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1485.114354][ T10] ___sys_sendmsg+0xee/0x170 [ 1485.114354][ T10] __sys_sendmsg+0xcd/0x170 [ 1485.114354][ T10] do_syscall_64+0xc6/0x1e0 [ 1485.114354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1485.114354][ T10] [ 1485.116410][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1485.116643][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1485.116643][ T10] netdev_get_by_index+0x5e/0x80 [ 1485.116643][ T10] fib6_nh_init+0x3d8/0x1580 [ 1485.116643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1485.116643][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1485.116643][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1485.116643][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1485.116643][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1485.116643][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1485.116643][ T10] addrconf_dad_begin+0x310/0x670 [ 1485.116643][ T10] addrconf_dad_work+0x10b/0xab0 [ 1485.116643][ T10] process_one_work+0x84d/0x18a0 [ 1485.116643][ T10] worker_thread+0x587/0xd30 [ 1485.116643][ T10] kthread+0x28a/0x350 [ 1485.116643][ T10] ret_from_fork+0x31/0x70 [ 1485.116643][ T10] ret_from_fork_asm+0x1a/0x30 [ 1485.116643][ T10] [ 1485.118851][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1485.118851][ T10] netdev_get_by_index+0x5e/0x80 [ 1485.118851][ T10] fib6_nh_init+0x3d8/0x1580 [ 1485.118851][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1485.118851][ T10] ip6_route_add+0x1c/0x140 [ 1485.118851][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1485.118851][ T10] inet6_addr_add+0x4f8/0xa40 [ 1485.118851][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1485.118851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1485.118851][ T10] netlink_rcv_skb+0x130/0x360 [ 1485.118851][ T10] netlink_unicast+0x449/0x710 [ 1485.118851][ T10] netlink_sendmsg+0x723/0xbe0 [ 1485.118851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1485.118851][ T10] ___sys_sendmsg+0xee/0x170 [ 1485.118851][ T10] __sys_sendmsg+0xcd/0x170 [ 1485.118851][ T10] do_syscall_64+0xc6/0x1e0 [ 1485.118851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1485.118851][ T10] [ 1485.121010][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1485.121010][ T10] netdev_get_by_index+0x5e/0x80 [ 1485.121010][ T10] fib6_nh_init+0x3d8/0x1580 [ 1485.121010][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1485.121010][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1485.121010][ T10] ipv6_add_addr+0x411/0x2000 [ 1485.121010][ T10] inet6_addr_add+0x30e/0xa40 [ 1485.121010][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1485.121010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1485.121010][ T10] netlink_rcv_skb+0x130/0x360 [ 1485.121010][ T10] netlink_unicast+0x449/0x710 [ 1485.121010][ T10] netlink_sendmsg+0x723/0xbe0 [ 1485.121010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1485.121010][ T10] ___sys_sendmsg+0xee/0x170 [ 1485.121010][ T10] __sys_sendmsg+0xcd/0x170 [ 1485.121010][ T10] do_syscall_64+0xc6/0x1e0 [ 1485.121010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1485.121010][ T10] [ 1485.123249][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1485.123249][ T10] netdev_get_by_index+0x5e/0x80 [ 1485.123249][ T10] fib6_nh_init+0x3d8/0x1580 [ 1485.123249][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1485.123249][ T10] ip6_route_add+0x1c/0x140 [ 1485.123249][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1485.123249][ T10] addrconf_add_dev+0xe2/0x170 [ 1485.123249][ T10] inet6_addr_add+0x12f/0xa40 [ 1485.123249][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1485.123249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1485.123249][ T10] netlink_rcv_skb+0x130/0x360 [ 1485.123249][ T10] netlink_unicast+0x449/0x710 [ 1485.123249][ T10] netlink_sendmsg+0x723/0xbe0 [ 1485.123249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1485.123249][ T10] ___sys_sendmsg+0xee/0x170 [ 1485.123249][ T10] __sys_sendmsg+0xcd/0x170 [ 1485.123249][ T10] do_syscall_64+0xc6/0x1e0 [ 1485.123249][ T10] [ 1485.125436][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1485.125436][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1485.125436][ T10] ipv6_find_idev+0x102/0x170 [ 1485.125436][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1485.125436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1485.125436][ T10] netlink_rcv_skb+0x130/0x360 [ 1485.125436][ T10] netlink_unicast+0x449/0x710 [ 1485.125436][ T10] netlink_sendmsg+0x723/0xbe0 [ 1485.125436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1485.125436][ T10] ___sys_sendmsg+0xee/0x170 [ 1485.125436][ T10] __sys_sendmsg+0xcd/0x170 [ 1485.125436][ T10] do_syscall_64+0xc6/0x1e0 [ 1485.125436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1485.125436][ T10] [ 1485.127207][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1485.127207][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1485.127207][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1485.127207][ T10] ipv6_find_idev+0x102/0x170 [ 1485.127207][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1485.127207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1485.127207][ T10] netlink_rcv_skb+0x130/0x360 [ 1485.127207][ T10] netlink_unicast+0x449/0x710 [ 1485.127207][ T10] netlink_sendmsg+0x723/0xbe0 [ 1485.127207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1485.127207][ T10] ___sys_sendmsg+0xee/0x170 [ 1485.127207][ T10] __sys_sendmsg+0xcd/0x170 [ 1485.127207][ T10] do_syscall_64+0xc6/0x1e0 [ 1485.127207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1485.127207][ T10] [ 1493.041088][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1493.041525][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1493.041525][ T1167] dst_init+0x84/0x4a0 [ 1493.041525][ T1167] dst_alloc+0x97/0x150 [ 1493.041525][ T1167] ip6_dst_alloc+0x23/0x90 [ 1493.041525][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1493.041525][ T1167] ip6_pol_route+0x56f/0x840 [ 1493.041525][ T1167] fib6_rule_lookup+0x334/0x630 [ 1493.041525][ T1167] ip6_route_output_flags+0x259/0x480 [ 1493.041525][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1493.041525][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1493.041525][ T1167] netlink_rcv_skb+0x130/0x360 [ 1493.041525][ T1167] netlink_unicast+0x449/0x710 [ 1493.041525][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1493.041525][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1493.041525][ T1167] ___sys_sendmsg+0xee/0x170 [ 1493.041525][ T1167] __sys_sendmsg+0xcd/0x170 [ 1493.041525][ T1167] do_syscall_64+0xc6/0x1e0 [ 1493.041525][ T1167] [ 1493.043735][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1493.043735][ T1167] netdev_get_by_index+0x5e/0x80 [ 1493.043735][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1493.043735][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1493.043735][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1493.043735][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1493.043735][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1493.043735][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1493.043735][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1493.043735][ T1167] addrconf_dad_begin+0x310/0x670 [ 1493.043735][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1493.043735][ T1167] process_one_work+0x84d/0x18a0 [ 1493.043735][ T1167] worker_thread+0x587/0xd30 [ 1493.043735][ T1167] kthread+0x28a/0x350 [ 1493.043735][ T1167] ret_from_fork+0x31/0x70 [ 1493.043735][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1493.043735][ T1167] [ 1493.045889][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1493.045889][ T1167] netdev_get_by_index+0x5e/0x80 [ 1493.045889][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1493.045889][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1493.045889][ T1167] ip6_route_add+0x1c/0x140 [ 1493.045889][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1493.045889][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1493.045889][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1493.045889][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1493.045889][ T1167] netlink_rcv_skb+0x130/0x360 [ 1493.045889][ T1167] netlink_unicast+0x449/0x710 [ 1493.045889][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1493.045889][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1493.045889][ T1167] ___sys_sendmsg+0xee/0x170 [ 1493.045889][ T1167] __sys_sendmsg+0xcd/0x170 [ 1493.045889][ T1167] do_syscall_64+0xc6/0x1e0 [ 1493.045889][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1493.045889][ T1167] [ 1493.048136][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1493.048136][ T1167] netdev_get_by_index+0x5e/0x80 [ 1493.048136][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1493.048136][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1493.048136][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1493.048136][ T1167] ipv6_add_addr+0x411/0x2000 [ 1493.048136][ T1167] inet6_addr_add+0x30e/0xa40 [ 1493.048136][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1493.048136][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1493.048136][ T1167] netlink_rcv_skb+0x130/0x360 [ 1493.048136][ T1167] netlink_unicast+0x449/0x710 [ 1493.048136][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1493.048136][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1493.048136][ T1167] ___sys_sendmsg+0xee/0x170 [ 1493.048136][ T1167] __sys_sendmsg+0xcd/0x170 [ 1493.048136][ T1167] do_syscall_64+0xc6/0x1e0 [ 1493.048136][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1493.048136][ T1167] [ 1493.050382][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1493.050382][ T1167] netdev_get_by_index+0x5e/0x80 [ 1493.050382][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1493.050382][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1493.050382][ T1167] ip6_route_add+0x1c/0x140 [ 1493.050382][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1493.050382][ T1167] addrconf_add_dev+0xe2/0x170 [ 1493.050382][ T1167] inet6_addr_add+0x12f/0xa40 [ 1493.050382][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1493.050382][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1493.050382][ T1167] netlink_rcv_skb+0x130/0x360 [ 1493.050382][ T1167] netlink_unicast+0x449/0x710 [ 1493.050382][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1493.050382][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1493.050382][ T1167] ___sys_sendmsg+0xee/0x170 [ 1493.050382][ T1167] __sys_sendmsg+0xcd/0x170 [ 1493.050382][ T1167] do_syscall_64+0xc6/0x1e0 [ 1493.050382][ T1167] [ 1493.052608][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1493.052608][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1493.052608][ T1167] ipv6_find_idev+0x102/0x170 [ 1493.052608][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1493.052608][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1493.052608][ T1167] netlink_rcv_skb+0x130/0x360 [ 1493.052608][ T1167] netlink_unicast+0x449/0x710 [ 1493.052608][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1493.052608][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1493.052608][ T1167] ___sys_sendmsg+0xee/0x170 [ 1493.052608][ T1167] __sys_sendmsg+0xcd/0x170 [ 1493.052608][ T1167] do_syscall_64+0xc6/0x1e0 [ 1493.052608][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1493.052608][ T1167] [ 1493.054323][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1493.054323][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1493.054323][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1493.054323][ T1167] ipv6_find_idev+0x102/0x170 [ 1493.054323][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1493.054323][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1493.054323][ T1167] netlink_rcv_skb+0x130/0x360 [ 1493.054323][ T1167] netlink_unicast+0x449/0x710 [ 1493.054323][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1493.054323][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1493.054323][ T1167] ___sys_sendmsg+0xee/0x170 [ 1493.054323][ T1167] __sys_sendmsg+0xcd/0x170 [ 1493.054323][ T1167] do_syscall_64+0xc6/0x1e0 [ 1493.054323][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1493.054323][ T1167] [ 1495.369104][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1495.369666][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1495.369666][ T10] netdev_get_by_index+0x5e/0x80 [ 1495.369666][ T10] fib6_nh_init+0x3d8/0x1580 [ 1495.369666][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1495.369666][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1495.369666][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1495.369666][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1495.369666][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1495.369666][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1495.369666][ T10] addrconf_dad_begin+0x310/0x670 [ 1495.369666][ T10] addrconf_dad_work+0x10b/0xab0 [ 1495.369666][ T10] process_one_work+0x84d/0x18a0 [ 1495.369666][ T10] worker_thread+0x587/0xd30 [ 1495.369666][ T10] kthread+0x28a/0x350 [ 1495.369666][ T10] ret_from_fork+0x31/0x70 [ 1495.369666][ T10] ret_from_fork_asm+0x1a/0x30 [ 1495.369666][ T10] [ 1495.372535][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1495.372535][ T10] netdev_get_by_index+0x5e/0x80 [ 1495.372535][ T10] fib6_nh_init+0x3d8/0x1580 [ 1495.372535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1495.372535][ T10] ip6_route_add+0x1c/0x140 [ 1495.372535][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1495.372535][ T10] inet6_addr_add+0x4f8/0xa40 [ 1495.372535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1495.372535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1495.372535][ T10] netlink_rcv_skb+0x130/0x360 [ 1495.372535][ T10] netlink_unicast+0x449/0x710 [ 1495.372535][ T10] netlink_sendmsg+0x723/0xbe0 [ 1495.372535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1495.372535][ T10] ___sys_sendmsg+0xee/0x170 [ 1495.372535][ T10] __sys_sendmsg+0xcd/0x170 [ 1495.372535][ T10] do_syscall_64+0xc6/0x1e0 [ 1495.372535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1495.372535][ T10] [ 1495.375474][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1495.375474][ T10] netdev_get_by_index+0x5e/0x80 [ 1495.375474][ T10] fib6_nh_init+0x3d8/0x1580 [ 1495.375474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1495.375474][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1495.375474][ T10] ipv6_add_addr+0x411/0x2000 [ 1495.375474][ T10] inet6_addr_add+0x30e/0xa40 [ 1495.375474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1495.375474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1495.375474][ T10] netlink_rcv_skb+0x130/0x360 [ 1495.375474][ T10] netlink_unicast+0x449/0x710 [ 1495.375474][ T10] netlink_sendmsg+0x723/0xbe0 [ 1495.375474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1495.375474][ T10] ___sys_sendmsg+0xee/0x170 [ 1495.375474][ T10] __sys_sendmsg+0xcd/0x170 [ 1495.375474][ T10] do_syscall_64+0xc6/0x1e0 [ 1495.375474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1495.375474][ T10] [ 1495.378287][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1495.378287][ T10] netdev_get_by_index+0x5e/0x80 [ 1495.378287][ T10] fib6_nh_init+0x3d8/0x1580 [ 1495.378287][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1495.378287][ T10] ip6_route_add+0x1c/0x140 [ 1495.378287][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1495.378287][ T10] addrconf_add_dev+0xe2/0x170 [ 1495.378287][ T10] inet6_addr_add+0x12f/0xa40 [ 1495.378287][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1495.378287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1495.378287][ T10] netlink_rcv_skb+0x130/0x360 [ 1495.378287][ T10] netlink_unicast+0x449/0x710 [ 1495.378287][ T10] netlink_sendmsg+0x723/0xbe0 [ 1495.378287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1495.378287][ T10] ___sys_sendmsg+0xee/0x170 [ 1495.378287][ T10] __sys_sendmsg+0xcd/0x170 [ 1495.378287][ T10] do_syscall_64+0xc6/0x1e0 [ 1495.378287][ T10] [ 1495.381256][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1495.381256][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1495.381256][ T10] ipv6_find_idev+0x102/0x170 [ 1495.381256][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1495.381256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1495.381256][ T10] netlink_rcv_skb+0x130/0x360 [ 1495.381256][ T10] netlink_unicast+0x449/0x710 [ 1495.381256][ T10] netlink_sendmsg+0x723/0xbe0 [ 1495.381256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1495.381256][ T10] ___sys_sendmsg+0xee/0x170 [ 1495.381256][ T10] __sys_sendmsg+0xcd/0x170 [ 1495.381256][ T10] do_syscall_64+0xc6/0x1e0 [ 1495.381256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1495.381256][ T10] [ 1495.382981][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1495.382981][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1495.382981][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1495.382981][ T10] ipv6_find_idev+0x102/0x170 [ 1495.382981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1495.382981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1495.382981][ T10] netlink_rcv_skb+0x130/0x360 [ 1495.382981][ T10] netlink_unicast+0x449/0x710 [ 1495.382981][ T10] netlink_sendmsg+0x723/0xbe0 [ 1495.382981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1495.382981][ T10] ___sys_sendmsg+0xee/0x170 [ 1495.382981][ T10] __sys_sendmsg+0xcd/0x170 [ 1495.382981][ T10] do_syscall_64+0xc6/0x1e0 [ 1495.382981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1495.382981][ T10] [ 1495.384688][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1495.384936][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1495.384936][ T10] netdev_get_by_index+0x5e/0x80 [ 1495.384936][ T10] fib6_nh_init+0x3d8/0x1580 [ 1495.384936][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1495.384936][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1495.384936][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1495.384936][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1495.384936][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1495.384936][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1495.384936][ T10] addrconf_dad_begin+0x310/0x670 [ 1495.384936][ T10] addrconf_dad_work+0x10b/0xab0 [ 1495.384936][ T10] process_one_work+0x84d/0x18a0 [ 1495.384936][ T10] worker_thread+0x587/0xd30 [ 1495.384936][ T10] kthread+0x28a/0x350 [ 1495.384936][ T10] ret_from_fork+0x31/0x70 [ 1495.384936][ T10] ret_from_fork_asm+0x1a/0x30 [ 1495.384936][ T10] [ 1495.386984][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1495.386984][ T10] netdev_get_by_index+0x5e/0x80 [ 1495.386984][ T10] fib6_nh_init+0x3d8/0x1580 [ 1495.386984][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1495.386984][ T10] ip6_route_add+0x1c/0x140 [ 1495.386984][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1495.386984][ T10] inet6_addr_add+0x4f8/0xa40 [ 1495.386984][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1495.386984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1495.386984][ T10] netlink_rcv_skb+0x130/0x360 [ 1495.386984][ T10] netlink_unicast+0x449/0x710 [ 1495.386984][ T10] netlink_sendmsg+0x723/0xbe0 [ 1495.386984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1495.386984][ T10] ___sys_sendmsg+0xee/0x170 [ 1495.386984][ T10] __sys_sendmsg+0xcd/0x170 [ 1495.386984][ T10] do_syscall_64+0xc6/0x1e0 [ 1495.386984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1495.386984][ T10] [ 1495.388987][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1495.388987][ T10] netdev_get_by_index+0x5e/0x80 [ 1495.388987][ T10] fib6_nh_init+0x3d8/0x1580 [ 1495.388987][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1495.388987][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1495.388987][ T10] ipv6_add_addr+0x411/0x2000 [ 1495.388987][ T10] inet6_addr_add+0x30e/0xa40 [ 1495.388987][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1495.388987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1495.388987][ T10] netlink_rcv_skb+0x130/0x360 [ 1495.388987][ T10] netlink_unicast+0x449/0x710 [ 1495.388987][ T10] netlink_sendmsg+0x723/0xbe0 [ 1495.388987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1495.388987][ T10] ___sys_sendmsg+0xee/0x170 [ 1495.388987][ T10] __sys_sendmsg+0xcd/0x170 [ 1495.388987][ T10] do_syscall_64+0xc6/0x1e0 [ 1495.388987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1495.388987][ T10] [ 1495.390985][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1495.390985][ T10] netdev_get_by_index+0x5e/0x80 [ 1495.390985][ T10] fib6_nh_init+0x3d8/0x1580 [ 1495.390985][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1495.390985][ T10] ip6_route_add+0x1c/0x140 [ 1495.390985][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1495.390985][ T10] addrconf_add_dev+0xe2/0x170 [ 1495.390985][ T10] inet6_addr_add+0x12f/0xa40 [ 1495.390985][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1495.390985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1495.390985][ T10] netlink_rcv_skb+0x130/0x360 [ 1495.390985][ T10] netlink_unicast+0x449/0x710 [ 1495.390985][ T10] netlink_sendmsg+0x723/0xbe0 [ 1495.390985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1495.390985][ T10] ___sys_sendmsg+0xee/0x170 [ 1495.390985][ T10] __sys_sendmsg+0xcd/0x170 [ 1495.390985][ T10] do_syscall_64+0xc6/0x1e0 [ 1495.390985][ T10] [ 1495.392969][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1495.392969][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1495.392969][ T10] ipv6_find_idev+0x102/0x170 [ 1495.392969][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1495.392969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1495.392969][ T10] netlink_rcv_skb+0x130/0x360 [ 1495.392969][ T10] netlink_unicast+0x449/0x710 [ 1495.392969][ T10] netlink_sendmsg+0x723/0xbe0 [ 1495.392969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1495.392969][ T10] ___sys_sendmsg+0xee/0x170 [ 1495.392969][ T10] __sys_sendmsg+0xcd/0x170 [ 1495.392969][ T10] do_syscall_64+0xc6/0x1e0 [ 1495.392969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1495.392969][ T10] [ 1495.394619][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1495.394619][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1495.394619][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1495.394619][ T10] ipv6_find_idev+0x102/0x170 [ 1495.394619][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1495.394619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1495.394619][ T10] netlink_rcv_skb+0x130/0x360 [ 1495.394619][ T10] netlink_unicast+0x449/0x710 [ 1495.394619][ T10] netlink_sendmsg+0x723/0xbe0 [ 1495.394619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1495.394619][ T10] ___sys_sendmsg+0xee/0x170 [ 1495.394619][ T10] __sys_sendmsg+0xcd/0x170 [ 1495.394619][ T10] do_syscall_64+0xc6/0x1e0 [ 1495.394619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1495.394619][ T10] [ 1495.396315][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1495.396565][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1495.396565][ T10] netdev_get_by_index+0x5e/0x80 [ 1495.396565][ T10] fib6_nh_init+0x3d8/0x1580 [ 1495.396565][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1495.396565][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1495.396565][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1495.396565][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1495.396565][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1495.396565][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1495.396565][ T10] addrconf_dad_begin+0x310/0x670 [ 1495.396565][ T10] addrconf_dad_work+0x10b/0xab0 [ 1495.396565][ T10] process_one_work+0x84d/0x18a0 [ 1495.396565][ T10] worker_thread+0x587/0xd30 [ 1495.396565][ T10] kthread+0x28a/0x350 [ 1495.396565][ T10] ret_from_fork+0x31/0x70 [ 1495.396565][ T10] ret_from_fork_asm+0x1a/0x30 [ 1495.396565][ T10] [ 1495.398489][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1495.398489][ T10] netdev_get_by_index+0x5e/0x80 [ 1495.398489][ T10] fib6_nh_init+0x3d8/0x1580 [ 1495.398489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1495.398489][ T10] ip6_route_add+0x1c/0x140 [ 1495.398489][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1495.398489][ T10] inet6_addr_add+0x4f8/0xa40 [ 1495.398489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1495.398489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1495.398489][ T10] netlink_rcv_skb+0x130/0x360 [ 1495.398489][ T10] netlink_unicast+0x449/0x710 [ 1495.398489][ T10] netlink_sendmsg+0x723/0xbe0 [ 1495.398489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1495.398489][ T10] ___sys_sendmsg+0xee/0x170 [ 1495.398489][ T10] __sys_sendmsg+0xcd/0x170 [ 1495.398489][ T10] do_syscall_64+0xc6/0x1e0 [ 1495.398489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1495.398489][ T10] [ 1495.400666][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1495.400666][ T10] netdev_get_by_index+0x5e/0x80 [ 1495.400666][ T10] fib6_nh_init+0x3d8/0x1580 [ 1495.400666][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1495.400666][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1495.400666][ T10] ipv6_add_addr+0x411/0x2000 [ 1495.400666][ T10] inet6_addr_add+0x30e/0xa40 [ 1495.400666][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1495.400666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1495.400666][ T10] netlink_rcv_skb+0x130/0x360 [ 1495.400666][ T10] netlink_unicast+0x449/0x710 [ 1495.400666][ T10] netlink_sendmsg+0x723/0xbe0 [ 1495.400666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1495.400666][ T10] ___sys_sendmsg+0xee/0x170 [ 1495.400666][ T10] __sys_sendmsg+0xcd/0x170 [ 1495.400666][ T10] do_syscall_64+0xc6/0x1e0 [ 1495.400666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1495.400666][ T10] [ 1495.403087][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1495.403087][ T10] netdev_get_by_index+0x5e/0x80 [ 1495.403087][ T10] fib6_nh_init+0x3d8/0x1580 [ 1495.403087][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1495.403087][ T10] ip6_route_add+0x1c/0x140 [ 1495.403087][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1495.403087][ T10] addrconf_add_dev+0xe2/0x170 [ 1495.403087][ T10] inet6_addr_add+0x12f/0xa40 [ 1495.403087][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1495.403087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1495.403087][ T10] netlink_rcv_skb+0x130/0x360 [ 1495.403087][ T10] netlink_unicast+0x449/0x710 [ 1495.403087][ T10] netlink_sendmsg+0x723/0xbe0 [ 1495.403087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1495.403087][ T10] ___sys_sendmsg+0xee/0x170 [ 1495.403087][ T10] __sys_sendmsg+0xcd/0x170 [ 1495.403087][ T10] do_syscall_64+0xc6/0x1e0 [ 1495.403087][ T10] [ 1495.405230][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1495.405230][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1495.405230][ T10] ipv6_find_idev+0x102/0x170 [ 1495.405230][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1495.405230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1495.405230][ T10] netlink_rcv_skb+0x130/0x360 [ 1495.405230][ T10] netlink_unicast+0x449/0x710 [ 1495.405230][ T10] netlink_sendmsg+0x723/0xbe0 [ 1495.405230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1495.405230][ T10] ___sys_sendmsg+0xee/0x170 [ 1495.405230][ T10] __sys_sendmsg+0xcd/0x170 [ 1495.405230][ T10] do_syscall_64+0xc6/0x1e0 [ 1495.405230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1495.405230][ T10] [ 1495.406952][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1495.406952][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1495.406952][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1495.406952][ T10] ipv6_find_idev+0x102/0x170 [ 1495.406952][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1495.406952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1495.406952][ T10] netlink_rcv_skb+0x130/0x360 [ 1495.406952][ T10] netlink_unicast+0x449/0x710 [ 1495.406952][ T10] netlink_sendmsg+0x723/0xbe0 [ 1495.406952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1495.406952][ T10] ___sys_sendmsg+0xee/0x170 [ 1495.406952][ T10] __sys_sendmsg+0xcd/0x170 [ 1495.406952][ T10] do_syscall_64+0xc6/0x1e0 [ 1495.406952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1495.406952][ T10] [ 1495.408876][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1495.409560][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1495.409560][ T10] netdev_get_by_index+0x5e/0x80 [ 1495.409560][ T10] fib6_nh_init+0x3d8/0x1580 [ 1495.409560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1495.409560][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1495.409560][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1495.409560][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1495.409560][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1495.409560][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1495.409560][ T10] addrconf_dad_begin+0x310/0x670 [ 1495.409560][ T10] addrconf_dad_work+0x10b/0xab0 [ 1495.409560][ T10] process_one_work+0x84d/0x18a0 [ 1495.409560][ T10] worker_thread+0x587/0xd30 [ 1495.409560][ T10] kthread+0x28a/0x350 [ 1495.409560][ T10] ret_from_fork+0x31/0x70 [ 1495.409560][ T10] ret_from_fork_asm+0x1a/0x30 [ 1495.409560][ T10] [ 1495.411505][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1495.411505][ T10] netdev_get_by_index+0x5e/0x80 [ 1495.411505][ T10] fib6_nh_init+0x3d8/0x1580 [ 1495.411505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1495.411505][ T10] ip6_route_add+0x1c/0x140 [ 1495.411505][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1495.411505][ T10] inet6_addr_add+0x4f8/0xa40 [ 1495.411505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1495.411505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1495.411505][ T10] netlink_rcv_skb+0x130/0x360 [ 1495.411505][ T10] netlink_unicast+0x449/0x710 [ 1495.411505][ T10] netlink_sendmsg+0x723/0xbe0 [ 1495.411505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1495.411505][ T10] ___sys_sendmsg+0xee/0x170 [ 1495.411505][ T10] __sys_sendmsg+0xcd/0x170 [ 1495.411505][ T10] do_syscall_64+0xc6/0x1e0 [ 1495.411505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1495.411505][ T10] [ 1495.413561][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1495.413561][ T10] netdev_get_by_index+0x5e/0x80 [ 1495.413561][ T10] fib6_nh_init+0x3d8/0x1580 [ 1495.413561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1495.413561][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1495.413561][ T10] ipv6_add_addr+0x411/0x2000 [ 1495.413561][ T10] inet6_addr_add+0x30e/0xa40 [ 1495.413561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1495.413561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1495.413561][ T10] netlink_rcv_skb+0x130/0x360 [ 1495.413561][ T10] netlink_unicast+0x449/0x710 [ 1495.413561][ T10] netlink_sendmsg+0x723/0xbe0 [ 1495.413561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1495.413561][ T10] ___sys_sendmsg+0xee/0x170 [ 1495.413561][ T10] __sys_sendmsg+0xcd/0x170 [ 1495.413561][ T10] do_syscall_64+0xc6/0x1e0 [ 1495.413561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1495.413561][ T10] [ 1495.415861][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1495.415861][ T10] netdev_get_by_index+0x5e/0x80 [ 1495.415861][ T10] fib6_nh_init+0x3d8/0x1580 [ 1495.415861][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1495.415861][ T10] ip6_route_add+0x1c/0x140 [ 1495.415861][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1495.415861][ T10] addrconf_add_dev+0xe2/0x170 [ 1495.415861][ T10] inet6_addr_add+0x12f/0xa40 [ 1495.415861][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1495.415861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1495.415861][ T10] netlink_rcv_skb+0x130/0x360 [ 1495.415861][ T10] netlink_unicast+0x449/0x710 [ 1495.415861][ T10] netlink_sendmsg+0x723/0xbe0 [ 1495.415861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1495.415861][ T10] ___sys_sendmsg+0xee/0x170 [ 1495.415861][ T10] __sys_sendmsg+0xcd/0x170 [ 1495.415861][ T10] do_syscall_64+0xc6/0x1e0 [ 1495.415861][ T10] [ 1495.418063][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1495.418063][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1495.418063][ T10] ipv6_find_idev+0x102/0x170 [ 1495.418063][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1495.418063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1495.418063][ T10] netlink_rcv_skb+0x130/0x360 [ 1495.418063][ T10] netlink_unicast+0x449/0x710 [ 1495.418063][ T10] netlink_sendmsg+0x723/0xbe0 [ 1495.418063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1495.418063][ T10] ___sys_sendmsg+0xee/0x170 [ 1495.418063][ T10] __sys_sendmsg+0xcd/0x170 [ 1495.418063][ T10] do_syscall_64+0xc6/0x1e0 [ 1495.418063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1495.418063][ T10] [ 1495.419820][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1495.419820][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1495.419820][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1495.419820][ T10] ipv6_find_idev+0x102/0x170 [ 1495.419820][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1495.419820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1495.419820][ T10] netlink_rcv_skb+0x130/0x360 [ 1495.419820][ T10] netlink_unicast+0x449/0x710 [ 1495.419820][ T10] netlink_sendmsg+0x723/0xbe0 [ 1495.419820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1495.419820][ T10] ___sys_sendmsg+0xee/0x170 [ 1495.419820][ T10] __sys_sendmsg+0xcd/0x170 [ 1495.419820][ T10] do_syscall_64+0xc6/0x1e0 [ 1495.419820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1495.419820][ T10] [ 1503.305084][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1503.305577][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1503.305577][ T1167] dst_init+0x84/0x4a0 [ 1503.305577][ T1167] dst_alloc+0x97/0x150 [ 1503.305577][ T1167] ip6_dst_alloc+0x23/0x90 [ 1503.305577][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1503.305577][ T1167] ip6_pol_route+0x56f/0x840 [ 1503.305577][ T1167] fib6_rule_lookup+0x334/0x630 [ 1503.305577][ T1167] ip6_route_output_flags+0x259/0x480 [ 1503.305577][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1503.305577][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1503.305577][ T1167] netlink_rcv_skb+0x130/0x360 [ 1503.305577][ T1167] netlink_unicast+0x449/0x710 [ 1503.305577][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1503.305577][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1503.305577][ T1167] ___sys_sendmsg+0xee/0x170 [ 1503.305577][ T1167] __sys_sendmsg+0xcd/0x170 [ 1503.305577][ T1167] do_syscall_64+0xc6/0x1e0 [ 1503.305577][ T1167] [ 1503.307775][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1503.307775][ T1167] netdev_get_by_index+0x5e/0x80 [ 1503.307775][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1503.307775][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1503.307775][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1503.307775][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1503.307775][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1503.307775][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1503.307775][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1503.307775][ T1167] addrconf_dad_begin+0x310/0x670 [ 1503.307775][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1503.307775][ T1167] process_one_work+0x84d/0x18a0 [ 1503.307775][ T1167] worker_thread+0x587/0xd30 [ 1503.307775][ T1167] kthread+0x28a/0x350 [ 1503.307775][ T1167] ret_from_fork+0x31/0x70 [ 1503.307775][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1503.307775][ T1167] [ 1503.309908][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1503.309908][ T1167] netdev_get_by_index+0x5e/0x80 [ 1503.309908][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1503.309908][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1503.309908][ T1167] ip6_route_add+0x1c/0x140 [ 1503.309908][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1503.309908][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1503.309908][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1503.309908][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.309908][ T1167] netlink_rcv_skb+0x130/0x360 [ 1503.309908][ T1167] netlink_unicast+0x449/0x710 [ 1503.309908][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1503.309908][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1503.309908][ T1167] ___sys_sendmsg+0xee/0x170 [ 1503.309908][ T1167] __sys_sendmsg+0xcd/0x170 [ 1503.309908][ T1167] do_syscall_64+0xc6/0x1e0 [ 1503.309908][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1503.309908][ T1167] [ 1503.312152][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1503.312152][ T1167] netdev_get_by_index+0x5e/0x80 [ 1503.312152][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1503.312152][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1503.312152][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1503.312152][ T1167] ipv6_add_addr+0x411/0x2000 [ 1503.312152][ T1167] inet6_addr_add+0x30e/0xa40 [ 1503.312152][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1503.312152][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.312152][ T1167] netlink_rcv_skb+0x130/0x360 [ 1503.312152][ T1167] netlink_unicast+0x449/0x710 [ 1503.312152][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1503.312152][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1503.312152][ T1167] ___sys_sendmsg+0xee/0x170 [ 1503.312152][ T1167] __sys_sendmsg+0xcd/0x170 [ 1503.312152][ T1167] do_syscall_64+0xc6/0x1e0 [ 1503.312152][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1503.312152][ T1167] [ 1503.314391][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1503.314391][ T1167] netdev_get_by_index+0x5e/0x80 [ 1503.314391][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1503.314391][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1503.314391][ T1167] ip6_route_add+0x1c/0x140 [ 1503.314391][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1503.314391][ T1167] addrconf_add_dev+0xe2/0x170 [ 1503.314391][ T1167] inet6_addr_add+0x12f/0xa40 [ 1503.314391][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1503.314391][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.314391][ T1167] netlink_rcv_skb+0x130/0x360 [ 1503.314391][ T1167] netlink_unicast+0x449/0x710 [ 1503.314391][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1503.314391][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1503.314391][ T1167] ___sys_sendmsg+0xee/0x170 [ 1503.314391][ T1167] __sys_sendmsg+0xcd/0x170 [ 1503.314391][ T1167] do_syscall_64+0xc6/0x1e0 [ 1503.314391][ T1167] [ 1503.316612][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1503.316612][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1503.316612][ T1167] ipv6_find_idev+0x102/0x170 [ 1503.316612][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1503.316612][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.316612][ T1167] netlink_rcv_skb+0x130/0x360 [ 1503.316612][ T1167] netlink_unicast+0x449/0x710 [ 1503.316612][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1503.316612][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1503.316612][ T1167] ___sys_sendmsg+0xee/0x170 [ 1503.316612][ T1167] __sys_sendmsg+0xcd/0x170 [ 1503.316612][ T1167] do_syscall_64+0xc6/0x1e0 [ 1503.316612][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1503.316612][ T1167] [ 1503.318347][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1503.318347][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1503.318347][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1503.318347][ T1167] ipv6_find_idev+0x102/0x170 [ 1503.318347][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1503.318347][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1503.318347][ T1167] netlink_rcv_skb+0x130/0x360 [ 1503.318347][ T1167] netlink_unicast+0x449/0x710 [ 1503.318347][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1503.318347][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1503.318347][ T1167] ___sys_sendmsg+0xee/0x170 [ 1503.318347][ T1167] __sys_sendmsg+0xcd/0x170 [ 1503.318347][ T1167] do_syscall_64+0xc6/0x1e0 [ 1503.318347][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1503.318347][ T1167] [ 1505.657126][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1505.657533][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1505.657533][ T10] netdev_get_by_index+0x5e/0x80 [ 1505.657533][ T10] fib6_nh_init+0x3d8/0x1580 [ 1505.657533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1505.657533][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1505.657533][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1505.657533][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1505.657533][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1505.657533][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1505.657533][ T10] addrconf_dad_begin+0x310/0x670 [ 1505.657533][ T10] addrconf_dad_work+0x10b/0xab0 [ 1505.657533][ T10] process_one_work+0x84d/0x18a0 [ 1505.657533][ T10] worker_thread+0x587/0xd30 [ 1505.657533][ T10] kthread+0x28a/0x350 [ 1505.657533][ T10] ret_from_fork+0x31/0x70 [ 1505.657533][ T10] ret_from_fork_asm+0x1a/0x30 [ 1505.657533][ T10] [ 1505.659461][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1505.659461][ T10] netdev_get_by_index+0x5e/0x80 [ 1505.659461][ T10] fib6_nh_init+0x3d8/0x1580 [ 1505.659461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1505.659461][ T10] ip6_route_add+0x1c/0x140 [ 1505.659461][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1505.659461][ T10] inet6_addr_add+0x4f8/0xa40 [ 1505.659461][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1505.659461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1505.659461][ T10] netlink_rcv_skb+0x130/0x360 [ 1505.659461][ T10] netlink_unicast+0x449/0x710 [ 1505.659461][ T10] netlink_sendmsg+0x723/0xbe0 [ 1505.659461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1505.659461][ T10] ___sys_sendmsg+0xee/0x170 [ 1505.659461][ T10] __sys_sendmsg+0xcd/0x170 [ 1505.659461][ T10] do_syscall_64+0xc6/0x1e0 [ 1505.659461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1505.659461][ T10] [ 1505.661452][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1505.661452][ T10] netdev_get_by_index+0x5e/0x80 [ 1505.661452][ T10] fib6_nh_init+0x3d8/0x1580 [ 1505.661452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1505.661452][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1505.661452][ T10] ipv6_add_addr+0x411/0x2000 [ 1505.661452][ T10] inet6_addr_add+0x30e/0xa40 [ 1505.661452][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1505.661452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1505.661452][ T10] netlink_rcv_skb+0x130/0x360 [ 1505.661452][ T10] netlink_unicast+0x449/0x710 [ 1505.661452][ T10] netlink_sendmsg+0x723/0xbe0 [ 1505.661452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1505.661452][ T10] ___sys_sendmsg+0xee/0x170 [ 1505.661452][ T10] __sys_sendmsg+0xcd/0x170 [ 1505.661452][ T10] do_syscall_64+0xc6/0x1e0 [ 1505.661452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1505.661452][ T10] [ 1505.663431][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1505.663431][ T10] netdev_get_by_index+0x5e/0x80 [ 1505.663431][ T10] fib6_nh_init+0x3d8/0x1580 [ 1505.663431][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1505.663431][ T10] ip6_route_add+0x1c/0x140 [ 1505.663431][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1505.663431][ T10] addrconf_add_dev+0xe2/0x170 [ 1505.663431][ T10] inet6_addr_add+0x12f/0xa40 [ 1505.663431][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1505.663431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1505.663431][ T10] netlink_rcv_skb+0x130/0x360 [ 1505.663431][ T10] netlink_unicast+0x449/0x710 [ 1505.663431][ T10] netlink_sendmsg+0x723/0xbe0 [ 1505.663431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1505.663431][ T10] ___sys_sendmsg+0xee/0x170 [ 1505.663431][ T10] __sys_sendmsg+0xcd/0x170 [ 1505.663431][ T10] do_syscall_64+0xc6/0x1e0 [ 1505.663431][ T10] [ 1505.665380][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1505.665380][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1505.665380][ T10] ipv6_find_idev+0x102/0x170 [ 1505.665380][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1505.665380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1505.665380][ T10] netlink_rcv_skb+0x130/0x360 [ 1505.665380][ T10] netlink_unicast+0x449/0x710 [ 1505.665380][ T10] netlink_sendmsg+0x723/0xbe0 [ 1505.665380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1505.665380][ T10] ___sys_sendmsg+0xee/0x170 [ 1505.665380][ T10] __sys_sendmsg+0xcd/0x170 [ 1505.665380][ T10] do_syscall_64+0xc6/0x1e0 [ 1505.665380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1505.665380][ T10] [ 1505.666902][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1505.666902][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1505.666902][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1505.666902][ T10] ipv6_find_idev+0x102/0x170 [ 1505.666902][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1505.666902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1505.666902][ T10] netlink_rcv_skb+0x130/0x360 [ 1505.666902][ T10] netlink_unicast+0x449/0x710 [ 1505.666902][ T10] netlink_sendmsg+0x723/0xbe0 [ 1505.666902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1505.666902][ T10] ___sys_sendmsg+0xee/0x170 [ 1505.666902][ T10] __sys_sendmsg+0xcd/0x170 [ 1505.666902][ T10] do_syscall_64+0xc6/0x1e0 [ 1505.666902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1505.666902][ T10] [ 1505.668582][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1505.668821][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1505.668821][ T10] netdev_get_by_index+0x5e/0x80 [ 1505.668821][ T10] fib6_nh_init+0x3d8/0x1580 [ 1505.668821][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1505.668821][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1505.668821][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1505.668821][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1505.668821][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1505.668821][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1505.668821][ T10] addrconf_dad_begin+0x310/0x670 [ 1505.668821][ T10] addrconf_dad_work+0x10b/0xab0 [ 1505.668821][ T10] process_one_work+0x84d/0x18a0 [ 1505.668821][ T10] worker_thread+0x587/0xd30 [ 1505.668821][ T10] kthread+0x28a/0x350 [ 1505.668821][ T10] ret_from_fork+0x31/0x70 [ 1505.668821][ T10] ret_from_fork_asm+0x1a/0x30 [ 1505.668821][ T10] [ 1505.670712][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1505.670712][ T10] netdev_get_by_index+0x5e/0x80 [ 1505.670712][ T10] fib6_nh_init+0x3d8/0x1580 [ 1505.670712][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1505.670712][ T10] ip6_route_add+0x1c/0x140 [ 1505.670712][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1505.670712][ T10] inet6_addr_add+0x4f8/0xa40 [ 1505.670712][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1505.670712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1505.670712][ T10] netlink_rcv_skb+0x130/0x360 [ 1505.670712][ T10] netlink_unicast+0x449/0x710 [ 1505.670712][ T10] netlink_sendmsg+0x723/0xbe0 [ 1505.670712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1505.670712][ T10] ___sys_sendmsg+0xee/0x170 [ 1505.670712][ T10] __sys_sendmsg+0xcd/0x170 [ 1505.670712][ T10] do_syscall_64+0xc6/0x1e0 [ 1505.670712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1505.670712][ T10] [ 1505.672712][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1505.672712][ T10] netdev_get_by_index+0x5e/0x80 [ 1505.672712][ T10] fib6_nh_init+0x3d8/0x1580 [ 1505.672712][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1505.672712][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1505.672712][ T10] ipv6_add_addr+0x411/0x2000 [ 1505.672712][ T10] inet6_addr_add+0x30e/0xa40 [ 1505.672712][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1505.672712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1505.672712][ T10] netlink_rcv_skb+0x130/0x360 [ 1505.672712][ T10] netlink_unicast+0x449/0x710 [ 1505.672712][ T10] netlink_sendmsg+0x723/0xbe0 [ 1505.672712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1505.672712][ T10] ___sys_sendmsg+0xee/0x170 [ 1505.672712][ T10] __sys_sendmsg+0xcd/0x170 [ 1505.672712][ T10] do_syscall_64+0xc6/0x1e0 [ 1505.672712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1505.672712][ T10] [ 1505.674688][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1505.674688][ T10] netdev_get_by_index+0x5e/0x80 [ 1505.674688][ T10] fib6_nh_init+0x3d8/0x1580 [ 1505.674688][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1505.674688][ T10] ip6_route_add+0x1c/0x140 [ 1505.674688][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1505.674688][ T10] addrconf_add_dev+0xe2/0x170 [ 1505.674688][ T10] inet6_addr_add+0x12f/0xa40 [ 1505.674688][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1505.674688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1505.674688][ T10] netlink_rcv_skb+0x130/0x360 [ 1505.674688][ T10] netlink_unicast+0x449/0x710 [ 1505.674688][ T10] netlink_sendmsg+0x723/0xbe0 [ 1505.674688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1505.674688][ T10] ___sys_sendmsg+0xee/0x170 [ 1505.674688][ T10] __sys_sendmsg+0xcd/0x170 [ 1505.674688][ T10] do_syscall_64+0xc6/0x1e0 [ 1505.674688][ T10] [ 1505.676624][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1505.676624][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1505.676624][ T10] ipv6_find_idev+0x102/0x170 [ 1505.676624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1505.676624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1505.676624][ T10] netlink_rcv_skb+0x130/0x360 [ 1505.676624][ T10] netlink_unicast+0x449/0x710 [ 1505.676624][ T10] netlink_sendmsg+0x723/0xbe0 [ 1505.676624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1505.676624][ T10] ___sys_sendmsg+0xee/0x170 [ 1505.676624][ T10] __sys_sendmsg+0xcd/0x170 [ 1505.676624][ T10] do_syscall_64+0xc6/0x1e0 [ 1505.676624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1505.676624][ T10] [ 1505.678157][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1505.678157][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1505.678157][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1505.678157][ T10] ipv6_find_idev+0x102/0x170 [ 1505.678157][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1505.678157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1505.678157][ T10] netlink_rcv_skb+0x130/0x360 [ 1505.678157][ T10] netlink_unicast+0x449/0x710 [ 1505.678157][ T10] netlink_sendmsg+0x723/0xbe0 [ 1505.678157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1505.678157][ T10] ___sys_sendmsg+0xee/0x170 [ 1505.678157][ T10] __sys_sendmsg+0xcd/0x170 [ 1505.678157][ T10] do_syscall_64+0xc6/0x1e0 [ 1505.678157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1505.678157][ T10] [ 1505.679819][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1505.680067][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1505.680067][ T10] netdev_get_by_index+0x5e/0x80 [ 1505.680067][ T10] fib6_nh_init+0x3d8/0x1580 [ 1505.680067][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1505.680067][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1505.680067][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1505.680067][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1505.680067][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1505.680067][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1505.680067][ T10] addrconf_dad_begin+0x310/0x670 [ 1505.680067][ T10] addrconf_dad_work+0x10b/0xab0 [ 1505.680067][ T10] process_one_work+0x84d/0x18a0 [ 1505.680067][ T10] worker_thread+0x587/0xd30 [ 1505.680067][ T10] kthread+0x28a/0x350 [ 1505.680067][ T10] ret_from_fork+0x31/0x70 [ 1505.680067][ T10] ret_from_fork_asm+0x1a/0x30 [ 1505.680067][ T10] [ 1505.681960][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1505.681960][ T10] netdev_get_by_index+0x5e/0x80 [ 1505.681960][ T10] fib6_nh_init+0x3d8/0x1580 [ 1505.681960][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1505.681960][ T10] ip6_route_add+0x1c/0x140 [ 1505.681960][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1505.681960][ T10] inet6_addr_add+0x4f8/0xa40 [ 1505.681960][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1505.681960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1505.681960][ T10] netlink_rcv_skb+0x130/0x360 [ 1505.681960][ T10] netlink_unicast+0x449/0x710 [ 1505.681960][ T10] netlink_sendmsg+0x723/0xbe0 [ 1505.681960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1505.681960][ T10] ___sys_sendmsg+0xee/0x170 [ 1505.681960][ T10] __sys_sendmsg+0xcd/0x170 [ 1505.681960][ T10] do_syscall_64+0xc6/0x1e0 [ 1505.681960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1505.681960][ T10] [ 1505.684241][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1505.684241][ T10] netdev_get_by_index+0x5e/0x80 [ 1505.684241][ T10] fib6_nh_init+0x3d8/0x1580 [ 1505.684241][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1505.684241][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1505.684241][ T10] ipv6_add_addr+0x411/0x2000 [ 1505.684241][ T10] inet6_addr_add+0x30e/0xa40 [ 1505.684241][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1505.684241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1505.684241][ T10] netlink_rcv_skb+0x130/0x360 [ 1505.684241][ T10] netlink_unicast+0x449/0x710 [ 1505.684241][ T10] netlink_sendmsg+0x723/0xbe0 [ 1505.684241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1505.684241][ T10] ___sys_sendmsg+0xee/0x170 [ 1505.684241][ T10] __sys_sendmsg+0xcd/0x170 [ 1505.684241][ T10] do_syscall_64+0xc6/0x1e0 [ 1505.684241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1505.684241][ T10] [ 1505.686459][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1505.686459][ T10] netdev_get_by_index+0x5e/0x80 [ 1505.686459][ T10] fib6_nh_init+0x3d8/0x1580 [ 1505.686459][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1505.686459][ T10] ip6_route_add+0x1c/0x140 [ 1505.686459][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1505.686459][ T10] addrconf_add_dev+0xe2/0x170 [ 1505.686459][ T10] inet6_addr_add+0x12f/0xa40 [ 1505.686459][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1505.686459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1505.686459][ T10] netlink_rcv_skb+0x130/0x360 [ 1505.686459][ T10] netlink_unicast+0x449/0x710 [ 1505.686459][ T10] netlink_sendmsg+0x723/0xbe0 [ 1505.686459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1505.686459][ T10] ___sys_sendmsg+0xee/0x170 [ 1505.686459][ T10] __sys_sendmsg+0xcd/0x170 [ 1505.686459][ T10] do_syscall_64+0xc6/0x1e0 [ 1505.686459][ T10] [ 1505.688575][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1505.688575][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1505.688575][ T10] ipv6_find_idev+0x102/0x170 [ 1505.688575][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1505.688575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1505.688575][ T10] netlink_rcv_skb+0x130/0x360 [ 1505.688575][ T10] netlink_unicast+0x449/0x710 [ 1505.688575][ T10] netlink_sendmsg+0x723/0xbe0 [ 1505.688575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1505.688575][ T10] ___sys_sendmsg+0xee/0x170 [ 1505.688575][ T10] __sys_sendmsg+0xcd/0x170 [ 1505.688575][ T10] do_syscall_64+0xc6/0x1e0 [ 1505.688575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1505.688575][ T10] [ 1505.690274][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1505.690274][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1505.690274][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1505.690274][ T10] ipv6_find_idev+0x102/0x170 [ 1505.690274][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1505.690274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1505.690274][ T10] netlink_rcv_skb+0x130/0x360 [ 1505.690274][ T10] netlink_unicast+0x449/0x710 [ 1505.690274][ T10] netlink_sendmsg+0x723/0xbe0 [ 1505.690274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1505.690274][ T10] ___sys_sendmsg+0xee/0x170 [ 1505.690274][ T10] __sys_sendmsg+0xcd/0x170 [ 1505.690274][ T10] do_syscall_64+0xc6/0x1e0 [ 1505.690274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1505.690274][ T10] [ 1505.692113][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1505.692344][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1505.692344][ T10] netdev_get_by_index+0x5e/0x80 [ 1505.692344][ T10] fib6_nh_init+0x3d8/0x1580 [ 1505.692344][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1505.692344][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1505.692344][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1505.692344][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1505.692344][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1505.692344][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1505.692344][ T10] addrconf_dad_begin+0x310/0x670 [ 1505.692344][ T10] addrconf_dad_work+0x10b/0xab0 [ 1505.692344][ T10] process_one_work+0x84d/0x18a0 [ 1505.692344][ T10] worker_thread+0x587/0xd30 [ 1505.692344][ T10] kthread+0x28a/0x350 [ 1505.692344][ T10] ret_from_fork+0x31/0x70 [ 1505.692344][ T10] ret_from_fork_asm+0x1a/0x30 [ 1505.692344][ T10] [ 1505.694532][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1505.694532][ T10] netdev_get_by_index+0x5e/0x80 [ 1505.694532][ T10] fib6_nh_init+0x3d8/0x1580 [ 1505.694532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1505.694532][ T10] ip6_route_add+0x1c/0x140 [ 1505.694532][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1505.694532][ T10] inet6_addr_add+0x4f8/0xa40 [ 1505.694532][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1505.694532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1505.694532][ T10] netlink_rcv_skb+0x130/0x360 [ 1505.694532][ T10] netlink_unicast+0x449/0x710 [ 1505.694532][ T10] netlink_sendmsg+0x723/0xbe0 [ 1505.694532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1505.694532][ T10] ___sys_sendmsg+0xee/0x170 [ 1505.694532][ T10] __sys_sendmsg+0xcd/0x170 [ 1505.694532][ T10] do_syscall_64+0xc6/0x1e0 [ 1505.694532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1505.694532][ T10] [ 1505.696682][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1505.696682][ T10] netdev_get_by_index+0x5e/0x80 [ 1505.696682][ T10] fib6_nh_init+0x3d8/0x1580 [ 1505.696682][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1505.696682][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1505.696682][ T10] ipv6_add_addr+0x411/0x2000 [ 1505.696682][ T10] inet6_addr_add+0x30e/0xa40 [ 1505.696682][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1505.696682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1505.696682][ T10] netlink_rcv_skb+0x130/0x360 [ 1505.696682][ T10] netlink_unicast+0x449/0x710 [ 1505.696682][ T10] netlink_sendmsg+0x723/0xbe0 [ 1505.696682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1505.696682][ T10] ___sys_sendmsg+0xee/0x170 [ 1505.696682][ T10] __sys_sendmsg+0xcd/0x170 [ 1505.696682][ T10] do_syscall_64+0xc6/0x1e0 [ 1505.696682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1505.696682][ T10] [ 1505.698899][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1505.698899][ T10] netdev_get_by_index+0x5e/0x80 [ 1505.698899][ T10] fib6_nh_init+0x3d8/0x1580 [ 1505.698899][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1505.698899][ T10] ip6_route_add+0x1c/0x140 [ 1505.698899][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1505.698899][ T10] addrconf_add_dev+0xe2/0x170 [ 1505.698899][ T10] inet6_addr_add+0x12f/0xa40 [ 1505.698899][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1505.698899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1505.698899][ T10] netlink_rcv_skb+0x130/0x360 [ 1505.698899][ T10] netlink_unicast+0x449/0x710 [ 1505.698899][ T10] netlink_sendmsg+0x723/0xbe0 [ 1505.698899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1505.698899][ T10] ___sys_sendmsg+0xee/0x170 [ 1505.698899][ T10] __sys_sendmsg+0xcd/0x170 [ 1505.698899][ T10] do_syscall_64+0xc6/0x1e0 [ 1505.698899][ T10] [ 1505.701085][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1505.701085][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1505.701085][ T10] ipv6_find_idev+0x102/0x170 [ 1505.701085][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1505.701085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1505.701085][ T10] netlink_rcv_skb+0x130/0x360 [ 1505.701085][ T10] netlink_unicast+0x449/0x710 [ 1505.701085][ T10] netlink_sendmsg+0x723/0xbe0 [ 1505.701085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1505.701085][ T10] ___sys_sendmsg+0xee/0x170 [ 1505.701085][ T10] __sys_sendmsg+0xcd/0x170 [ 1505.701085][ T10] do_syscall_64+0xc6/0x1e0 [ 1505.701085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1505.701085][ T10] [ 1505.703378][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1505.703378][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1505.703378][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1505.703378][ T10] ipv6_find_idev+0x102/0x170 [ 1505.703378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1505.703378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1505.703378][ T10] netlink_rcv_skb+0x130/0x360 [ 1505.703378][ T10] netlink_unicast+0x449/0x710 [ 1505.703378][ T10] netlink_sendmsg+0x723/0xbe0 [ 1505.703378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1505.703378][ T10] ___sys_sendmsg+0xee/0x170 [ 1505.703378][ T10] __sys_sendmsg+0xcd/0x170 [ 1505.703378][ T10] do_syscall_64+0xc6/0x1e0 [ 1505.703378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1505.703378][ T10] [ 1513.569173][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1513.569654][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1513.569654][ T1167] dst_init+0x84/0x4a0 [ 1513.569654][ T1167] dst_alloc+0x97/0x150 [ 1513.569654][ T1167] ip6_dst_alloc+0x23/0x90 [ 1513.569654][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1513.569654][ T1167] ip6_pol_route+0x56f/0x840 [ 1513.569654][ T1167] fib6_rule_lookup+0x334/0x630 [ 1513.569654][ T1167] ip6_route_output_flags+0x259/0x480 [ 1513.569654][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1513.569654][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1513.569654][ T1167] netlink_rcv_skb+0x130/0x360 [ 1513.569654][ T1167] netlink_unicast+0x449/0x710 [ 1513.569654][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1513.569654][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1513.569654][ T1167] ___sys_sendmsg+0xee/0x170 [ 1513.569654][ T1167] __sys_sendmsg+0xcd/0x170 [ 1513.569654][ T1167] do_syscall_64+0xc6/0x1e0 [ 1513.569654][ T1167] [ 1513.571859][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1513.571859][ T1167] netdev_get_by_index+0x5e/0x80 [ 1513.571859][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1513.571859][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1513.571859][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1513.571859][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1513.571859][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1513.571859][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1513.571859][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1513.571859][ T1167] addrconf_dad_begin+0x310/0x670 [ 1513.571859][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1513.571859][ T1167] process_one_work+0x84d/0x18a0 [ 1513.571859][ T1167] worker_thread+0x587/0xd30 [ 1513.571859][ T1167] kthread+0x28a/0x350 [ 1513.571859][ T1167] ret_from_fork+0x31/0x70 [ 1513.571859][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1513.571859][ T1167] [ 1513.573993][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1513.573993][ T1167] netdev_get_by_index+0x5e/0x80 [ 1513.573993][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1513.573993][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1513.573993][ T1167] ip6_route_add+0x1c/0x140 [ 1513.573993][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1513.573993][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1513.573993][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1513.573993][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.573993][ T1167] netlink_rcv_skb+0x130/0x360 [ 1513.573993][ T1167] netlink_unicast+0x449/0x710 [ 1513.573993][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1513.573993][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1513.573993][ T1167] ___sys_sendmsg+0xee/0x170 [ 1513.573993][ T1167] __sys_sendmsg+0xcd/0x170 [ 1513.573993][ T1167] do_syscall_64+0xc6/0x1e0 [ 1513.573993][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1513.573993][ T1167] [ 1513.576231][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1513.576231][ T1167] netdev_get_by_index+0x5e/0x80 [ 1513.576231][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1513.576231][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1513.576231][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1513.576231][ T1167] ipv6_add_addr+0x411/0x2000 [ 1513.576231][ T1167] inet6_addr_add+0x30e/0xa40 [ 1513.576231][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1513.576231][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.576231][ T1167] netlink_rcv_skb+0x130/0x360 [ 1513.576231][ T1167] netlink_unicast+0x449/0x710 [ 1513.576231][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1513.576231][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1513.576231][ T1167] ___sys_sendmsg+0xee/0x170 [ 1513.576231][ T1167] __sys_sendmsg+0xcd/0x170 [ 1513.576231][ T1167] do_syscall_64+0xc6/0x1e0 [ 1513.576231][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1513.576231][ T1167] [ 1513.578454][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1513.578454][ T1167] netdev_get_by_index+0x5e/0x80 [ 1513.578454][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1513.578454][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1513.578454][ T1167] ip6_route_add+0x1c/0x140 [ 1513.578454][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1513.578454][ T1167] addrconf_add_dev+0xe2/0x170 [ 1513.578454][ T1167] inet6_addr_add+0x12f/0xa40 [ 1513.578454][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1513.578454][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.578454][ T1167] netlink_rcv_skb+0x130/0x360 [ 1513.578454][ T1167] netlink_unicast+0x449/0x710 [ 1513.578454][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1513.578454][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1513.578454][ T1167] ___sys_sendmsg+0xee/0x170 [ 1513.578454][ T1167] __sys_sendmsg+0xcd/0x170 [ 1513.578454][ T1167] do_syscall_64+0xc6/0x1e0 [ 1513.578454][ T1167] [ 1513.580638][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1513.580638][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1513.580638][ T1167] ipv6_find_idev+0x102/0x170 [ 1513.580638][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1513.580638][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.580638][ T1167] netlink_rcv_skb+0x130/0x360 [ 1513.580638][ T1167] netlink_unicast+0x449/0x710 [ 1513.580638][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1513.580638][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1513.580638][ T1167] ___sys_sendmsg+0xee/0x170 [ 1513.580638][ T1167] __sys_sendmsg+0xcd/0x170 [ 1513.580638][ T1167] do_syscall_64+0xc6/0x1e0 [ 1513.580638][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1513.580638][ T1167] [ 1513.582359][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1513.582359][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1513.582359][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1513.582359][ T1167] ipv6_find_idev+0x102/0x170 [ 1513.582359][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1513.582359][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1513.582359][ T1167] netlink_rcv_skb+0x130/0x360 [ 1513.582359][ T1167] netlink_unicast+0x449/0x710 [ 1513.582359][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1513.582359][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1513.582359][ T1167] ___sys_sendmsg+0xee/0x170 [ 1513.582359][ T1167] __sys_sendmsg+0xcd/0x170 [ 1513.582359][ T1167] do_syscall_64+0xc6/0x1e0 [ 1513.582359][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1513.582359][ T1167] [ 1515.945110][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1515.945521][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1515.945521][ T10] netdev_get_by_index+0x5e/0x80 [ 1515.945521][ T10] fib6_nh_init+0x3d8/0x1580 [ 1515.945521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1515.945521][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1515.945521][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1515.945521][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1515.945521][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1515.945521][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1515.945521][ T10] addrconf_dad_begin+0x310/0x670 [ 1515.945521][ T10] addrconf_dad_work+0x10b/0xab0 [ 1515.945521][ T10] process_one_work+0x84d/0x18a0 [ 1515.945521][ T10] worker_thread+0x587/0xd30 [ 1515.945521][ T10] kthread+0x28a/0x350 [ 1515.945521][ T10] ret_from_fork+0x31/0x70 [ 1515.945521][ T10] ret_from_fork_asm+0x1a/0x30 [ 1515.945521][ T10] [ 1515.947462][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1515.947462][ T10] netdev_get_by_index+0x5e/0x80 [ 1515.947462][ T10] fib6_nh_init+0x3d8/0x1580 [ 1515.947462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1515.947462][ T10] ip6_route_add+0x1c/0x140 [ 1515.947462][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1515.947462][ T10] inet6_addr_add+0x4f8/0xa40 [ 1515.947462][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1515.947462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1515.947462][ T10] netlink_rcv_skb+0x130/0x360 [ 1515.947462][ T10] netlink_unicast+0x449/0x710 [ 1515.947462][ T10] netlink_sendmsg+0x723/0xbe0 [ 1515.947462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1515.947462][ T10] ___sys_sendmsg+0xee/0x170 [ 1515.947462][ T10] __sys_sendmsg+0xcd/0x170 [ 1515.947462][ T10] do_syscall_64+0xc6/0x1e0 [ 1515.947462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1515.947462][ T10] [ 1515.949453][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1515.949453][ T10] netdev_get_by_index+0x5e/0x80 [ 1515.949453][ T10] fib6_nh_init+0x3d8/0x1580 [ 1515.949453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1515.949453][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1515.949453][ T10] ipv6_add_addr+0x411/0x2000 [ 1515.949453][ T10] inet6_addr_add+0x30e/0xa40 [ 1515.949453][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1515.949453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1515.949453][ T10] netlink_rcv_skb+0x130/0x360 [ 1515.949453][ T10] netlink_unicast+0x449/0x710 [ 1515.949453][ T10] netlink_sendmsg+0x723/0xbe0 [ 1515.949453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1515.949453][ T10] ___sys_sendmsg+0xee/0x170 [ 1515.949453][ T10] __sys_sendmsg+0xcd/0x170 [ 1515.949453][ T10] do_syscall_64+0xc6/0x1e0 [ 1515.949453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1515.949453][ T10] [ 1515.951457][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1515.951457][ T10] netdev_get_by_index+0x5e/0x80 [ 1515.951457][ T10] fib6_nh_init+0x3d8/0x1580 [ 1515.951457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1515.951457][ T10] ip6_route_add+0x1c/0x140 [ 1515.951457][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1515.951457][ T10] addrconf_add_dev+0xe2/0x170 [ 1515.951457][ T10] inet6_addr_add+0x12f/0xa40 [ 1515.951457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1515.951457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1515.951457][ T10] netlink_rcv_skb+0x130/0x360 [ 1515.951457][ T10] netlink_unicast+0x449/0x710 [ 1515.951457][ T10] netlink_sendmsg+0x723/0xbe0 [ 1515.951457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1515.951457][ T10] ___sys_sendmsg+0xee/0x170 [ 1515.951457][ T10] __sys_sendmsg+0xcd/0x170 [ 1515.951457][ T10] do_syscall_64+0xc6/0x1e0 [ 1515.951457][ T10] [ 1515.953430][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1515.953430][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1515.953430][ T10] ipv6_find_idev+0x102/0x170 [ 1515.953430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1515.953430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1515.953430][ T10] netlink_rcv_skb+0x130/0x360 [ 1515.953430][ T10] netlink_unicast+0x449/0x710 [ 1515.953430][ T10] netlink_sendmsg+0x723/0xbe0 [ 1515.953430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1515.953430][ T10] ___sys_sendmsg+0xee/0x170 [ 1515.953430][ T10] __sys_sendmsg+0xcd/0x170 [ 1515.953430][ T10] do_syscall_64+0xc6/0x1e0 [ 1515.953430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1515.953430][ T10] [ 1515.954968][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1515.954968][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1515.954968][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1515.954968][ T10] ipv6_find_idev+0x102/0x170 [ 1515.954968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1515.954968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1515.954968][ T10] netlink_rcv_skb+0x130/0x360 [ 1515.954968][ T10] netlink_unicast+0x449/0x710 [ 1515.954968][ T10] netlink_sendmsg+0x723/0xbe0 [ 1515.954968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1515.954968][ T10] ___sys_sendmsg+0xee/0x170 [ 1515.954968][ T10] __sys_sendmsg+0xcd/0x170 [ 1515.954968][ T10] do_syscall_64+0xc6/0x1e0 [ 1515.954968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1515.954968][ T10] [ 1515.956654][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1515.956902][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1515.956902][ T10] netdev_get_by_index+0x5e/0x80 [ 1515.956902][ T10] fib6_nh_init+0x3d8/0x1580 [ 1515.956902][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1515.956902][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1515.956902][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1515.956902][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1515.956902][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1515.956902][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1515.956902][ T10] addrconf_dad_begin+0x310/0x670 [ 1515.956902][ T10] addrconf_dad_work+0x10b/0xab0 [ 1515.956902][ T10] process_one_work+0x84d/0x18a0 [ 1515.956902][ T10] worker_thread+0x587/0xd30 [ 1515.956902][ T10] kthread+0x28a/0x350 [ 1515.956902][ T10] ret_from_fork+0x31/0x70 [ 1515.956902][ T10] ret_from_fork_asm+0x1a/0x30 [ 1515.956902][ T10] [ 1515.958800][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1515.958800][ T10] netdev_get_by_index+0x5e/0x80 [ 1515.958800][ T10] fib6_nh_init+0x3d8/0x1580 [ 1515.958800][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1515.958800][ T10] ip6_route_add+0x1c/0x140 [ 1515.958800][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1515.958800][ T10] inet6_addr_add+0x4f8/0xa40 [ 1515.958800][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1515.958800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1515.958800][ T10] netlink_rcv_skb+0x130/0x360 [ 1515.958800][ T10] netlink_unicast+0x449/0x710 [ 1515.958800][ T10] netlink_sendmsg+0x723/0xbe0 [ 1515.958800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1515.958800][ T10] ___sys_sendmsg+0xee/0x170 [ 1515.958800][ T10] __sys_sendmsg+0xcd/0x170 [ 1515.958800][ T10] do_syscall_64+0xc6/0x1e0 [ 1515.958800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1515.958800][ T10] [ 1515.960786][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1515.960786][ T10] netdev_get_by_index+0x5e/0x80 [ 1515.960786][ T10] fib6_nh_init+0x3d8/0x1580 [ 1515.960786][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1515.960786][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1515.960786][ T10] ipv6_add_addr+0x411/0x2000 [ 1515.960786][ T10] inet6_addr_add+0x30e/0xa40 [ 1515.960786][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1515.960786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1515.960786][ T10] netlink_rcv_skb+0x130/0x360 [ 1515.960786][ T10] netlink_unicast+0x449/0x710 [ 1515.960786][ T10] netlink_sendmsg+0x723/0xbe0 [ 1515.960786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1515.960786][ T10] ___sys_sendmsg+0xee/0x170 [ 1515.960786][ T10] __sys_sendmsg+0xcd/0x170 [ 1515.960786][ T10] do_syscall_64+0xc6/0x1e0 [ 1515.960786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1515.960786][ T10] [ 1515.962778][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1515.962778][ T10] netdev_get_by_index+0x5e/0x80 [ 1515.962778][ T10] fib6_nh_init+0x3d8/0x1580 [ 1515.962778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1515.962778][ T10] ip6_route_add+0x1c/0x140 [ 1515.962778][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1515.962778][ T10] addrconf_add_dev+0xe2/0x170 [ 1515.962778][ T10] inet6_addr_add+0x12f/0xa40 [ 1515.962778][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1515.962778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1515.962778][ T10] netlink_rcv_skb+0x130/0x360 [ 1515.962778][ T10] netlink_unicast+0x449/0x710 [ 1515.962778][ T10] netlink_sendmsg+0x723/0xbe0 [ 1515.962778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1515.962778][ T10] ___sys_sendmsg+0xee/0x170 [ 1515.962778][ T10] __sys_sendmsg+0xcd/0x170 [ 1515.962778][ T10] do_syscall_64+0xc6/0x1e0 [ 1515.962778][ T10] [ 1515.964740][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1515.964740][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1515.964740][ T10] ipv6_find_idev+0x102/0x170 [ 1515.964740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1515.964740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1515.964740][ T10] netlink_rcv_skb+0x130/0x360 [ 1515.964740][ T10] netlink_unicast+0x449/0x710 [ 1515.964740][ T10] netlink_sendmsg+0x723/0xbe0 [ 1515.964740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1515.964740][ T10] ___sys_sendmsg+0xee/0x170 [ 1515.964740][ T10] __sys_sendmsg+0xcd/0x170 [ 1515.964740][ T10] do_syscall_64+0xc6/0x1e0 [ 1515.964740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1515.964740][ T10] [ 1515.966278][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1515.966278][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1515.966278][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1515.966278][ T10] ipv6_find_idev+0x102/0x170 [ 1515.966278][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1515.966278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1515.966278][ T10] netlink_rcv_skb+0x130/0x360 [ 1515.966278][ T10] netlink_unicast+0x449/0x710 [ 1515.966278][ T10] netlink_sendmsg+0x723/0xbe0 [ 1515.966278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1515.966278][ T10] ___sys_sendmsg+0xee/0x170 [ 1515.966278][ T10] __sys_sendmsg+0xcd/0x170 [ 1515.966278][ T10] do_syscall_64+0xc6/0x1e0 [ 1515.966278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1515.966278][ T10] [ 1515.967943][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1515.968208][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1515.968208][ T10] netdev_get_by_index+0x5e/0x80 [ 1515.968208][ T10] fib6_nh_init+0x3d8/0x1580 [ 1515.968208][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1515.968208][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1515.968208][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1515.968208][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1515.968208][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1515.968208][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1515.968208][ T10] addrconf_dad_begin+0x310/0x670 [ 1515.968208][ T10] addrconf_dad_work+0x10b/0xab0 [ 1515.968208][ T10] process_one_work+0x84d/0x18a0 [ 1515.968208][ T10] worker_thread+0x587/0xd30 [ 1515.968208][ T10] kthread+0x28a/0x350 [ 1515.968208][ T10] ret_from_fork+0x31/0x70 [ 1515.968208][ T10] ret_from_fork_asm+0x1a/0x30 [ 1515.968208][ T10] [ 1515.970099][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1515.970099][ T10] netdev_get_by_index+0x5e/0x80 [ 1515.970099][ T10] fib6_nh_init+0x3d8/0x1580 [ 1515.970099][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1515.970099][ T10] ip6_route_add+0x1c/0x140 [ 1515.970099][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1515.970099][ T10] inet6_addr_add+0x4f8/0xa40 [ 1515.970099][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1515.970099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1515.970099][ T10] netlink_rcv_skb+0x130/0x360 [ 1515.970099][ T10] netlink_unicast+0x449/0x710 [ 1515.970099][ T10] netlink_sendmsg+0x723/0xbe0 [ 1515.970099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1515.970099][ T10] ___sys_sendmsg+0xee/0x170 [ 1515.970099][ T10] __sys_sendmsg+0xcd/0x170 [ 1515.970099][ T10] do_syscall_64+0xc6/0x1e0 [ 1515.970099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1515.970099][ T10] [ 1515.972278][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1515.972278][ T10] netdev_get_by_index+0x5e/0x80 [ 1515.972278][ T10] fib6_nh_init+0x3d8/0x1580 [ 1515.972278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1515.972278][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1515.972278][ T10] ipv6_add_addr+0x411/0x2000 [ 1515.972278][ T10] inet6_addr_add+0x30e/0xa40 [ 1515.972278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1515.972278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1515.972278][ T10] netlink_rcv_skb+0x130/0x360 [ 1515.972278][ T10] netlink_unicast+0x449/0x710 [ 1515.972278][ T10] netlink_sendmsg+0x723/0xbe0 [ 1515.972278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1515.972278][ T10] ___sys_sendmsg+0xee/0x170 [ 1515.972278][ T10] __sys_sendmsg+0xcd/0x170 [ 1515.972278][ T10] do_syscall_64+0xc6/0x1e0 [ 1515.972278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1515.972278][ T10] [ 1515.974568][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1515.974568][ T10] netdev_get_by_index+0x5e/0x80 [ 1515.974568][ T10] fib6_nh_init+0x3d8/0x1580 [ 1515.974568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1515.974568][ T10] ip6_route_add+0x1c/0x140 [ 1515.974568][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1515.974568][ T10] addrconf_add_dev+0xe2/0x170 [ 1515.974568][ T10] inet6_addr_add+0x12f/0xa40 [ 1515.974568][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1515.974568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1515.974568][ T10] netlink_rcv_skb+0x130/0x360 [ 1515.974568][ T10] netlink_unicast+0x449/0x710 [ 1515.974568][ T10] netlink_sendmsg+0x723/0xbe0 [ 1515.974568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1515.974568][ T10] ___sys_sendmsg+0xee/0x170 [ 1515.974568][ T10] __sys_sendmsg+0xcd/0x170 [ 1515.974568][ T10] do_syscall_64+0xc6/0x1e0 [ 1515.974568][ T10] [ 1515.976684][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1515.976684][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1515.976684][ T10] ipv6_find_idev+0x102/0x170 [ 1515.976684][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1515.976684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1515.976684][ T10] netlink_rcv_skb+0x130/0x360 [ 1515.976684][ T10] netlink_unicast+0x449/0x710 [ 1515.976684][ T10] netlink_sendmsg+0x723/0xbe0 [ 1515.976684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1515.976684][ T10] ___sys_sendmsg+0xee/0x170 [ 1515.976684][ T10] __sys_sendmsg+0xcd/0x170 [ 1515.976684][ T10] do_syscall_64+0xc6/0x1e0 [ 1515.976684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1515.976684][ T10] [ 1515.978413][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1515.978413][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1515.978413][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1515.978413][ T10] ipv6_find_idev+0x102/0x170 [ 1515.978413][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1515.978413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1515.978413][ T10] netlink_rcv_skb+0x130/0x360 [ 1515.978413][ T10] netlink_unicast+0x449/0x710 [ 1515.978413][ T10] netlink_sendmsg+0x723/0xbe0 [ 1515.978413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1515.978413][ T10] ___sys_sendmsg+0xee/0x170 [ 1515.978413][ T10] __sys_sendmsg+0xcd/0x170 [ 1515.978413][ T10] do_syscall_64+0xc6/0x1e0 [ 1515.978413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1515.978413][ T10] [ 1515.980321][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1515.980562][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1515.980562][ T10] netdev_get_by_index+0x5e/0x80 [ 1515.980562][ T10] fib6_nh_init+0x3d8/0x1580 [ 1515.980562][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1515.980562][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1515.980562][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1515.980562][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1515.980562][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1515.980562][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1515.980562][ T10] addrconf_dad_begin+0x310/0x670 [ 1515.980562][ T10] addrconf_dad_work+0x10b/0xab0 [ 1515.980562][ T10] process_one_work+0x84d/0x18a0 [ 1515.980562][ T10] worker_thread+0x587/0xd30 [ 1515.980562][ T10] kthread+0x28a/0x350 [ 1515.980562][ T10] ret_from_fork+0x31/0x70 [ 1515.980562][ T10] ret_from_fork_asm+0x1a/0x30 [ 1515.980562][ T10] [ 1515.982791][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1515.982791][ T10] netdev_get_by_index+0x5e/0x80 [ 1515.982791][ T10] fib6_nh_init+0x3d8/0x1580 [ 1515.982791][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1515.982791][ T10] ip6_route_add+0x1c/0x140 [ 1515.982791][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1515.982791][ T10] inet6_addr_add+0x4f8/0xa40 [ 1515.982791][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1515.982791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1515.982791][ T10] netlink_rcv_skb+0x130/0x360 [ 1515.982791][ T10] netlink_unicast+0x449/0x710 [ 1515.982791][ T10] netlink_sendmsg+0x723/0xbe0 [ 1515.982791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1515.982791][ T10] ___sys_sendmsg+0xee/0x170 [ 1515.982791][ T10] __sys_sendmsg+0xcd/0x170 [ 1515.982791][ T10] do_syscall_64+0xc6/0x1e0 [ 1515.982791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1515.982791][ T10] [ 1515.984964][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1515.984964][ T10] netdev_get_by_index+0x5e/0x80 [ 1515.984964][ T10] fib6_nh_init+0x3d8/0x1580 [ 1515.984964][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1515.984964][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1515.984964][ T10] ipv6_add_addr+0x411/0x2000 [ 1515.984964][ T10] inet6_addr_add+0x30e/0xa40 [ 1515.984964][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1515.984964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1515.984964][ T10] netlink_rcv_skb+0x130/0x360 [ 1515.984964][ T10] netlink_unicast+0x449/0x710 [ 1515.984964][ T10] netlink_sendmsg+0x723/0xbe0 [ 1515.984964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1515.984964][ T10] ___sys_sendmsg+0xee/0x170 [ 1515.984964][ T10] __sys_sendmsg+0xcd/0x170 [ 1515.984964][ T10] do_syscall_64+0xc6/0x1e0 [ 1515.984964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1515.984964][ T10] [ 1515.987189][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1515.987189][ T10] netdev_get_by_index+0x5e/0x80 [ 1515.987189][ T10] fib6_nh_init+0x3d8/0x1580 [ 1515.987189][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1515.987189][ T10] ip6_route_add+0x1c/0x140 [ 1515.987189][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1515.987189][ T10] addrconf_add_dev+0xe2/0x170 [ 1515.987189][ T10] inet6_addr_add+0x12f/0xa40 [ 1515.987189][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1515.987189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1515.987189][ T10] netlink_rcv_skb+0x130/0x360 [ 1515.987189][ T10] netlink_unicast+0x449/0x710 [ 1515.987189][ T10] netlink_sendmsg+0x723/0xbe0 [ 1515.987189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1515.987189][ T10] ___sys_sendmsg+0xee/0x170 [ 1515.987189][ T10] __sys_sendmsg+0xcd/0x170 [ 1515.987189][ T10] do_syscall_64+0xc6/0x1e0 [ 1515.987189][ T10] [ 1515.989371][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1515.989371][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1515.989371][ T10] ipv6_find_idev+0x102/0x170 [ 1515.989371][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1515.989371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1515.989371][ T10] netlink_rcv_skb+0x130/0x360 [ 1515.989371][ T10] netlink_unicast+0x449/0x710 [ 1515.989371][ T10] netlink_sendmsg+0x723/0xbe0 [ 1515.989371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1515.989371][ T10] ___sys_sendmsg+0xee/0x170 [ 1515.989371][ T10] __sys_sendmsg+0xcd/0x170 [ 1515.989371][ T10] do_syscall_64+0xc6/0x1e0 [ 1515.989371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1515.989371][ T10] [ 1515.991071][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1515.991071][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1515.991071][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1515.991071][ T10] ipv6_find_idev+0x102/0x170 [ 1515.991071][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1515.991071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1515.991071][ T10] netlink_rcv_skb+0x130/0x360 [ 1515.991071][ T10] netlink_unicast+0x449/0x710 [ 1515.991071][ T10] netlink_sendmsg+0x723/0xbe0 [ 1515.991071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1515.991071][ T10] ___sys_sendmsg+0xee/0x170 [ 1515.991071][ T10] __sys_sendmsg+0xcd/0x170 [ 1515.991071][ T10] do_syscall_64+0xc6/0x1e0 [ 1515.991071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1515.991071][ T10] [ 1523.833133][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1523.833557][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1523.833557][ T1167] dst_init+0x84/0x4a0 [ 1523.833557][ T1167] dst_alloc+0x97/0x150 [ 1523.833557][ T1167] ip6_dst_alloc+0x23/0x90 [ 1523.833557][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1523.833557][ T1167] ip6_pol_route+0x56f/0x840 [ 1523.833557][ T1167] fib6_rule_lookup+0x334/0x630 [ 1523.833557][ T1167] ip6_route_output_flags+0x259/0x480 [ 1523.833557][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1523.833557][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1523.833557][ T1167] netlink_rcv_skb+0x130/0x360 [ 1523.833557][ T1167] netlink_unicast+0x449/0x710 [ 1523.833557][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1523.833557][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1523.833557][ T1167] ___sys_sendmsg+0xee/0x170 [ 1523.833557][ T1167] __sys_sendmsg+0xcd/0x170 [ 1523.833557][ T1167] do_syscall_64+0xc6/0x1e0 [ 1523.833557][ T1167] [ 1523.835769][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1523.835769][ T1167] netdev_get_by_index+0x5e/0x80 [ 1523.835769][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1523.835769][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1523.835769][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1523.835769][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1523.835769][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1523.835769][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1523.835769][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1523.835769][ T1167] addrconf_dad_begin+0x310/0x670 [ 1523.835769][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1523.835769][ T1167] process_one_work+0x84d/0x18a0 [ 1523.835769][ T1167] worker_thread+0x587/0xd30 [ 1523.835769][ T1167] kthread+0x28a/0x350 [ 1523.835769][ T1167] ret_from_fork+0x31/0x70 [ 1523.835769][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1523.835769][ T1167] [ 1523.837913][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1523.837913][ T1167] netdev_get_by_index+0x5e/0x80 [ 1523.837913][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1523.837913][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1523.837913][ T1167] ip6_route_add+0x1c/0x140 [ 1523.837913][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1523.837913][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1523.837913][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1523.837913][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.837913][ T1167] netlink_rcv_skb+0x130/0x360 [ 1523.837913][ T1167] netlink_unicast+0x449/0x710 [ 1523.837913][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1523.837913][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1523.837913][ T1167] ___sys_sendmsg+0xee/0x170 [ 1523.837913][ T1167] __sys_sendmsg+0xcd/0x170 [ 1523.837913][ T1167] do_syscall_64+0xc6/0x1e0 [ 1523.837913][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.837913][ T1167] [ 1523.840243][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1523.840243][ T1167] netdev_get_by_index+0x5e/0x80 [ 1523.840243][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1523.840243][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1523.840243][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1523.840243][ T1167] ipv6_add_addr+0x411/0x2000 [ 1523.840243][ T1167] inet6_addr_add+0x30e/0xa40 [ 1523.840243][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1523.840243][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.840243][ T1167] netlink_rcv_skb+0x130/0x360 [ 1523.840243][ T1167] netlink_unicast+0x449/0x710 [ 1523.840243][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1523.840243][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1523.840243][ T1167] ___sys_sendmsg+0xee/0x170 [ 1523.840243][ T1167] __sys_sendmsg+0xcd/0x170 [ 1523.840243][ T1167] do_syscall_64+0xc6/0x1e0 [ 1523.840243][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.840243][ T1167] [ 1523.842491][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1523.842491][ T1167] netdev_get_by_index+0x5e/0x80 [ 1523.842491][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1523.842491][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1523.842491][ T1167] ip6_route_add+0x1c/0x140 [ 1523.842491][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1523.842491][ T1167] addrconf_add_dev+0xe2/0x170 [ 1523.842491][ T1167] inet6_addr_add+0x12f/0xa40 [ 1523.842491][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1523.842491][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.842491][ T1167] netlink_rcv_skb+0x130/0x360 [ 1523.842491][ T1167] netlink_unicast+0x449/0x710 [ 1523.842491][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1523.842491][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1523.842491][ T1167] ___sys_sendmsg+0xee/0x170 [ 1523.842491][ T1167] __sys_sendmsg+0xcd/0x170 [ 1523.842491][ T1167] do_syscall_64+0xc6/0x1e0 [ 1523.842491][ T1167] [ 1523.844682][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1523.844682][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1523.844682][ T1167] ipv6_find_idev+0x102/0x170 [ 1523.844682][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1523.844682][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.844682][ T1167] netlink_rcv_skb+0x130/0x360 [ 1523.844682][ T1167] netlink_unicast+0x449/0x710 [ 1523.844682][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1523.844682][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1523.844682][ T1167] ___sys_sendmsg+0xee/0x170 [ 1523.844682][ T1167] __sys_sendmsg+0xcd/0x170 [ 1523.844682][ T1167] do_syscall_64+0xc6/0x1e0 [ 1523.844682][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.844682][ T1167] [ 1523.846395][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1523.846395][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1523.846395][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1523.846395][ T1167] ipv6_find_idev+0x102/0x170 [ 1523.846395][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1523.846395][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1523.846395][ T1167] netlink_rcv_skb+0x130/0x360 [ 1523.846395][ T1167] netlink_unicast+0x449/0x710 [ 1523.846395][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1523.846395][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1523.846395][ T1167] ___sys_sendmsg+0xee/0x170 [ 1523.846395][ T1167] __sys_sendmsg+0xcd/0x170 [ 1523.846395][ T1167] do_syscall_64+0xc6/0x1e0 [ 1523.846395][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1523.846395][ T1167] [ 1526.233139][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1526.233491][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1526.233491][ T10] netdev_get_by_index+0x5e/0x80 [ 1526.233491][ T10] fib6_nh_init+0x3d8/0x1580 [ 1526.233491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1526.233491][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1526.233491][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1526.233491][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1526.233491][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1526.233491][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1526.233491][ T10] addrconf_dad_begin+0x310/0x670 [ 1526.233491][ T10] addrconf_dad_work+0x10b/0xab0 [ 1526.233491][ T10] process_one_work+0x84d/0x18a0 [ 1526.233491][ T10] worker_thread+0x587/0xd30 [ 1526.233491][ T10] kthread+0x28a/0x350 [ 1526.233491][ T10] ret_from_fork+0x31/0x70 [ 1526.233491][ T10] ret_from_fork_asm+0x1a/0x30 [ 1526.233491][ T10] [ 1526.235414][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1526.235414][ T10] netdev_get_by_index+0x5e/0x80 [ 1526.235414][ T10] fib6_nh_init+0x3d8/0x1580 [ 1526.235414][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1526.235414][ T10] ip6_route_add+0x1c/0x140 [ 1526.235414][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1526.235414][ T10] inet6_addr_add+0x4f8/0xa40 [ 1526.235414][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1526.235414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.235414][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.235414][ T10] netlink_unicast+0x449/0x710 [ 1526.235414][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.235414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.235414][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.235414][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.235414][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.235414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.235414][ T10] [ 1526.237393][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1526.237393][ T10] netdev_get_by_index+0x5e/0x80 [ 1526.237393][ T10] fib6_nh_init+0x3d8/0x1580 [ 1526.237393][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1526.237393][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1526.237393][ T10] ipv6_add_addr+0x411/0x2000 [ 1526.237393][ T10] inet6_addr_add+0x30e/0xa40 [ 1526.237393][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1526.237393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.237393][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.237393][ T10] netlink_unicast+0x449/0x710 [ 1526.237393][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.237393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.237393][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.237393][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.237393][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.237393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.237393][ T10] [ 1526.239381][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1526.239381][ T10] netdev_get_by_index+0x5e/0x80 [ 1526.239381][ T10] fib6_nh_init+0x3d8/0x1580 [ 1526.239381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1526.239381][ T10] ip6_route_add+0x1c/0x140 [ 1526.239381][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1526.239381][ T10] addrconf_add_dev+0xe2/0x170 [ 1526.239381][ T10] inet6_addr_add+0x12f/0xa40 [ 1526.239381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1526.239381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.239381][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.239381][ T10] netlink_unicast+0x449/0x710 [ 1526.239381][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.239381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.239381][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.239381][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.239381][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.239381][ T10] [ 1526.241342][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1526.241342][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1526.241342][ T10] ipv6_find_idev+0x102/0x170 [ 1526.241342][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1526.241342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.241342][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.241342][ T10] netlink_unicast+0x449/0x710 [ 1526.241342][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.241342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.241342][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.241342][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.241342][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.241342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.241342][ T10] [ 1526.242868][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1526.242868][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1526.242868][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1526.242868][ T10] ipv6_find_idev+0x102/0x170 [ 1526.242868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1526.242868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.242868][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.242868][ T10] netlink_unicast+0x449/0x710 [ 1526.242868][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.242868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.242868][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.242868][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.242868][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.242868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.242868][ T10] [ 1526.244542][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1526.244883][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1526.244883][ T10] netdev_get_by_index+0x5e/0x80 [ 1526.244883][ T10] fib6_nh_init+0x3d8/0x1580 [ 1526.244883][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1526.244883][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1526.244883][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1526.244883][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1526.244883][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1526.244883][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1526.244883][ T10] addrconf_dad_begin+0x310/0x670 [ 1526.244883][ T10] addrconf_dad_work+0x10b/0xab0 [ 1526.244883][ T10] process_one_work+0x84d/0x18a0 [ 1526.244883][ T10] worker_thread+0x587/0xd30 [ 1526.244883][ T10] kthread+0x28a/0x350 [ 1526.244883][ T10] ret_from_fork+0x31/0x70 [ 1526.244883][ T10] ret_from_fork_asm+0x1a/0x30 [ 1526.244883][ T10] [ 1526.246775][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1526.246775][ T10] netdev_get_by_index+0x5e/0x80 [ 1526.246775][ T10] fib6_nh_init+0x3d8/0x1580 [ 1526.246775][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1526.246775][ T10] ip6_route_add+0x1c/0x140 [ 1526.246775][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1526.246775][ T10] inet6_addr_add+0x4f8/0xa40 [ 1526.246775][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1526.246775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.246775][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.246775][ T10] netlink_unicast+0x449/0x710 [ 1526.246775][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.246775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.246775][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.246775][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.246775][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.246775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.246775][ T10] [ 1526.248757][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1526.248757][ T10] netdev_get_by_index+0x5e/0x80 [ 1526.248757][ T10] fib6_nh_init+0x3d8/0x1580 [ 1526.248757][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1526.248757][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1526.248757][ T10] ipv6_add_addr+0x411/0x2000 [ 1526.248757][ T10] inet6_addr_add+0x30e/0xa40 [ 1526.248757][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1526.248757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.248757][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.248757][ T10] netlink_unicast+0x449/0x710 [ 1526.248757][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.248757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.248757][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.248757][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.248757][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.248757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.248757][ T10] [ 1526.250733][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1526.250733][ T10] netdev_get_by_index+0x5e/0x80 [ 1526.250733][ T10] fib6_nh_init+0x3d8/0x1580 [ 1526.250733][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1526.250733][ T10] ip6_route_add+0x1c/0x140 [ 1526.250733][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1526.250733][ T10] addrconf_add_dev+0xe2/0x170 [ 1526.250733][ T10] inet6_addr_add+0x12f/0xa40 [ 1526.250733][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1526.250733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.250733][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.250733][ T10] netlink_unicast+0x449/0x710 [ 1526.250733][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.250733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.250733][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.250733][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.250733][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.250733][ T10] [ 1526.252694][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1526.252694][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1526.252694][ T10] ipv6_find_idev+0x102/0x170 [ 1526.252694][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1526.252694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.252694][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.252694][ T10] netlink_unicast+0x449/0x710 [ 1526.252694][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.252694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.252694][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.252694][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.252694][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.252694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.252694][ T10] [ 1526.254245][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1526.254245][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1526.254245][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1526.254245][ T10] ipv6_find_idev+0x102/0x170 [ 1526.254245][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1526.254245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.254245][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.254245][ T10] netlink_unicast+0x449/0x710 [ 1526.254245][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.254245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.254245][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.254245][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.254245][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.254245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.254245][ T10] [ 1526.255930][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1526.256178][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1526.256178][ T10] netdev_get_by_index+0x5e/0x80 [ 1526.256178][ T10] fib6_nh_init+0x3d8/0x1580 [ 1526.256178][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1526.256178][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1526.256178][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1526.256178][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1526.256178][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1526.256178][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1526.256178][ T10] addrconf_dad_begin+0x310/0x670 [ 1526.256178][ T10] addrconf_dad_work+0x10b/0xab0 [ 1526.256178][ T10] process_one_work+0x84d/0x18a0 [ 1526.256178][ T10] worker_thread+0x587/0xd30 [ 1526.256178][ T10] kthread+0x28a/0x350 [ 1526.256178][ T10] ret_from_fork+0x31/0x70 [ 1526.256178][ T10] ret_from_fork_asm+0x1a/0x30 [ 1526.256178][ T10] [ 1526.258070][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1526.258070][ T10] netdev_get_by_index+0x5e/0x80 [ 1526.258070][ T10] fib6_nh_init+0x3d8/0x1580 [ 1526.258070][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1526.258070][ T10] ip6_route_add+0x1c/0x140 [ 1526.258070][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1526.258070][ T10] inet6_addr_add+0x4f8/0xa40 [ 1526.258070][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1526.258070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.258070][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.258070][ T10] netlink_unicast+0x449/0x710 [ 1526.258070][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.258070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.258070][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.258070][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.258070][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.258070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.258070][ T10] [ 1526.260237][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1526.260237][ T10] netdev_get_by_index+0x5e/0x80 [ 1526.260237][ T10] fib6_nh_init+0x3d8/0x1580 [ 1526.260237][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1526.260237][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1526.260237][ T10] ipv6_add_addr+0x411/0x2000 [ 1526.260237][ T10] inet6_addr_add+0x30e/0xa40 [ 1526.260237][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1526.260237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.260237][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.260237][ T10] netlink_unicast+0x449/0x710 [ 1526.260237][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.260237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.260237][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.260237][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.260237][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.260237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.260237][ T10] [ 1526.262511][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1526.262511][ T10] netdev_get_by_index+0x5e/0x80 [ 1526.262511][ T10] fib6_nh_init+0x3d8/0x1580 [ 1526.262511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1526.262511][ T10] ip6_route_add+0x1c/0x140 [ 1526.262511][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1526.262511][ T10] addrconf_add_dev+0xe2/0x170 [ 1526.262511][ T10] inet6_addr_add+0x12f/0xa40 [ 1526.262511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1526.262511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.262511][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.262511][ T10] netlink_unicast+0x449/0x710 [ 1526.262511][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.262511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.262511][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.262511][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.262511][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.262511][ T10] [ 1526.264628][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1526.264628][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1526.264628][ T10] ipv6_find_idev+0x102/0x170 [ 1526.264628][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1526.264628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.264628][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.264628][ T10] netlink_unicast+0x449/0x710 [ 1526.264628][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.264628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.264628][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.264628][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.264628][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.264628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.264628][ T10] [ 1526.266334][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1526.266334][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1526.266334][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1526.266334][ T10] ipv6_find_idev+0x102/0x170 [ 1526.266334][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1526.266334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.266334][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.266334][ T10] netlink_unicast+0x449/0x710 [ 1526.266334][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.266334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.266334][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.266334][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.266334][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.266334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.266334][ T10] [ 1526.268237][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1526.268471][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1526.268471][ T10] netdev_get_by_index+0x5e/0x80 [ 1526.268471][ T10] fib6_nh_init+0x3d8/0x1580 [ 1526.268471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1526.268471][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1526.268471][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1526.268471][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1526.268471][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1526.268471][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1526.268471][ T10] addrconf_dad_begin+0x310/0x670 [ 1526.268471][ T10] addrconf_dad_work+0x10b/0xab0 [ 1526.268471][ T10] process_one_work+0x84d/0x18a0 [ 1526.268471][ T10] worker_thread+0x587/0xd30 [ 1526.268471][ T10] kthread+0x28a/0x350 [ 1526.268471][ T10] ret_from_fork+0x31/0x70 [ 1526.268471][ T10] ret_from_fork_asm+0x1a/0x30 [ 1526.268471][ T10] [ 1526.270669][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1526.270669][ T10] netdev_get_by_index+0x5e/0x80 [ 1526.270669][ T10] fib6_nh_init+0x3d8/0x1580 [ 1526.270669][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1526.270669][ T10] ip6_route_add+0x1c/0x140 [ 1526.270669][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1526.270669][ T10] inet6_addr_add+0x4f8/0xa40 [ 1526.270669][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1526.270669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.270669][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.270669][ T10] netlink_unicast+0x449/0x710 [ 1526.270669][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.270669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.270669][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.270669][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.270669][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.270669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.270669][ T10] [ 1526.272838][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1526.272838][ T10] netdev_get_by_index+0x5e/0x80 [ 1526.272838][ T10] fib6_nh_init+0x3d8/0x1580 [ 1526.272838][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1526.272838][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1526.272838][ T10] ipv6_add_addr+0x411/0x2000 [ 1526.272838][ T10] inet6_addr_add+0x30e/0xa40 [ 1526.272838][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1526.272838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.272838][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.272838][ T10] netlink_unicast+0x449/0x710 [ 1526.272838][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.272838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.272838][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.272838][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.272838][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.272838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.272838][ T10] [ 1526.275055][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1526.275055][ T10] netdev_get_by_index+0x5e/0x80 [ 1526.275055][ T10] fib6_nh_init+0x3d8/0x1580 [ 1526.275055][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1526.275055][ T10] ip6_route_add+0x1c/0x140 [ 1526.275055][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1526.275055][ T10] addrconf_add_dev+0xe2/0x170 [ 1526.275055][ T10] inet6_addr_add+0x12f/0xa40 [ 1526.275055][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1526.275055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.275055][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.275055][ T10] netlink_unicast+0x449/0x710 [ 1526.275055][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.275055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.275055][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.275055][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.275055][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.275055][ T10] [ 1526.277239][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1526.277239][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1526.277239][ T10] ipv6_find_idev+0x102/0x170 [ 1526.277239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1526.277239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.277239][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.277239][ T10] netlink_unicast+0x449/0x710 [ 1526.277239][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.277239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.277239][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.277239][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.277239][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.277239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.277239][ T10] [ 1526.278941][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1526.278941][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1526.278941][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1526.278941][ T10] ipv6_find_idev+0x102/0x170 [ 1526.278941][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1526.278941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.278941][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.278941][ T10] netlink_unicast+0x449/0x710 [ 1526.278941][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.278941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.278941][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.278941][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.278941][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.278941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.278941][ T10] [ 1534.097119][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1534.097594][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1534.097594][ T1167] dst_init+0x84/0x4a0 [ 1534.097594][ T1167] dst_alloc+0x97/0x150 [ 1534.097594][ T1167] ip6_dst_alloc+0x23/0x90 [ 1534.097594][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1534.097594][ T1167] ip6_pol_route+0x56f/0x840 [ 1534.097594][ T1167] fib6_rule_lookup+0x334/0x630 [ 1534.097594][ T1167] ip6_route_output_flags+0x259/0x480 [ 1534.097594][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1534.097594][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1534.097594][ T1167] netlink_rcv_skb+0x130/0x360 [ 1534.097594][ T1167] netlink_unicast+0x449/0x710 [ 1534.097594][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1534.097594][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1534.097594][ T1167] ___sys_sendmsg+0xee/0x170 [ 1534.097594][ T1167] __sys_sendmsg+0xcd/0x170 [ 1534.097594][ T1167] do_syscall_64+0xc6/0x1e0 [ 1534.097594][ T1167] [ 1534.099794][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1534.099794][ T1167] netdev_get_by_index+0x5e/0x80 [ 1534.099794][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1534.099794][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1534.099794][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1534.099794][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1534.099794][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1534.099794][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1534.099794][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1534.099794][ T1167] addrconf_dad_begin+0x310/0x670 [ 1534.099794][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1534.099794][ T1167] process_one_work+0x84d/0x18a0 [ 1534.099794][ T1167] worker_thread+0x587/0xd30 [ 1534.099794][ T1167] kthread+0x28a/0x350 [ 1534.099794][ T1167] ret_from_fork+0x31/0x70 [ 1534.099794][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1534.099794][ T1167] [ 1534.101937][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1534.101937][ T1167] netdev_get_by_index+0x5e/0x80 [ 1534.101937][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1534.101937][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1534.101937][ T1167] ip6_route_add+0x1c/0x140 [ 1534.101937][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1534.101937][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1534.101937][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1534.101937][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.101937][ T1167] netlink_rcv_skb+0x130/0x360 [ 1534.101937][ T1167] netlink_unicast+0x449/0x710 [ 1534.101937][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1534.101937][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1534.101937][ T1167] ___sys_sendmsg+0xee/0x170 [ 1534.101937][ T1167] __sys_sendmsg+0xcd/0x170 [ 1534.101937][ T1167] do_syscall_64+0xc6/0x1e0 [ 1534.101937][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.101937][ T1167] [ 1534.104171][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1534.104171][ T1167] netdev_get_by_index+0x5e/0x80 [ 1534.104171][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1534.104171][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1534.104171][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1534.104171][ T1167] ipv6_add_addr+0x411/0x2000 [ 1534.104171][ T1167] inet6_addr_add+0x30e/0xa40 [ 1534.104171][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1534.104171][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.104171][ T1167] netlink_rcv_skb+0x130/0x360 [ 1534.104171][ T1167] netlink_unicast+0x449/0x710 [ 1534.104171][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1534.104171][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1534.104171][ T1167] ___sys_sendmsg+0xee/0x170 [ 1534.104171][ T1167] __sys_sendmsg+0xcd/0x170 [ 1534.104171][ T1167] do_syscall_64+0xc6/0x1e0 [ 1534.104171][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.104171][ T1167] [ 1534.106401][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1534.106401][ T1167] netdev_get_by_index+0x5e/0x80 [ 1534.106401][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1534.106401][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1534.106401][ T1167] ip6_route_add+0x1c/0x140 [ 1534.106401][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1534.106401][ T1167] addrconf_add_dev+0xe2/0x170 [ 1534.106401][ T1167] inet6_addr_add+0x12f/0xa40 [ 1534.106401][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1534.106401][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.106401][ T1167] netlink_rcv_skb+0x130/0x360 [ 1534.106401][ T1167] netlink_unicast+0x449/0x710 [ 1534.106401][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1534.106401][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1534.106401][ T1167] ___sys_sendmsg+0xee/0x170 [ 1534.106401][ T1167] __sys_sendmsg+0xcd/0x170 [ 1534.106401][ T1167] do_syscall_64+0xc6/0x1e0 [ 1534.106401][ T1167] [ 1534.108611][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1534.108611][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1534.108611][ T1167] ipv6_find_idev+0x102/0x170 [ 1534.108611][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1534.108611][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.108611][ T1167] netlink_rcv_skb+0x130/0x360 [ 1534.108611][ T1167] netlink_unicast+0x449/0x710 [ 1534.108611][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1534.108611][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1534.108611][ T1167] ___sys_sendmsg+0xee/0x170 [ 1534.108611][ T1167] __sys_sendmsg+0xcd/0x170 [ 1534.108611][ T1167] do_syscall_64+0xc6/0x1e0 [ 1534.108611][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.108611][ T1167] [ 1534.110332][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1534.110332][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1534.110332][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1534.110332][ T1167] ipv6_find_idev+0x102/0x170 [ 1534.110332][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1534.110332][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.110332][ T1167] netlink_rcv_skb+0x130/0x360 [ 1534.110332][ T1167] netlink_unicast+0x449/0x710 [ 1534.110332][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1534.110332][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1534.110332][ T1167] ___sys_sendmsg+0xee/0x170 [ 1534.110332][ T1167] __sys_sendmsg+0xcd/0x170 [ 1534.110332][ T1167] do_syscall_64+0xc6/0x1e0 [ 1534.110332][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.110332][ T1167] [ 1536.521060][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1536.521420][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1536.521420][ T10] netdev_get_by_index+0x5e/0x80 [ 1536.521420][ T10] fib6_nh_init+0x3d8/0x1580 [ 1536.521420][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1536.521420][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1536.521420][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1536.521420][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1536.521420][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1536.521420][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1536.521420][ T10] addrconf_dad_begin+0x310/0x670 [ 1536.521420][ T10] addrconf_dad_work+0x10b/0xab0 [ 1536.521420][ T10] process_one_work+0x84d/0x18a0 [ 1536.521420][ T10] worker_thread+0x587/0xd30 [ 1536.521420][ T10] kthread+0x28a/0x350 [ 1536.521420][ T10] ret_from_fork+0x31/0x70 [ 1536.521420][ T10] ret_from_fork_asm+0x1a/0x30 [ 1536.521420][ T10] [ 1536.523329][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1536.523329][ T10] netdev_get_by_index+0x5e/0x80 [ 1536.523329][ T10] fib6_nh_init+0x3d8/0x1580 [ 1536.523329][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1536.523329][ T10] ip6_route_add+0x1c/0x140 [ 1536.523329][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1536.523329][ T10] inet6_addr_add+0x4f8/0xa40 [ 1536.523329][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1536.523329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1536.523329][ T10] netlink_rcv_skb+0x130/0x360 [ 1536.523329][ T10] netlink_unicast+0x449/0x710 [ 1536.523329][ T10] netlink_sendmsg+0x723/0xbe0 [ 1536.523329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1536.523329][ T10] ___sys_sendmsg+0xee/0x170 [ 1536.523329][ T10] __sys_sendmsg+0xcd/0x170 [ 1536.523329][ T10] do_syscall_64+0xc6/0x1e0 [ 1536.523329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1536.523329][ T10] [ 1536.525311][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1536.525311][ T10] netdev_get_by_index+0x5e/0x80 [ 1536.525311][ T10] fib6_nh_init+0x3d8/0x1580 [ 1536.525311][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1536.525311][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1536.525311][ T10] ipv6_add_addr+0x411/0x2000 [ 1536.525311][ T10] inet6_addr_add+0x30e/0xa40 [ 1536.525311][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1536.525311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1536.525311][ T10] netlink_rcv_skb+0x130/0x360 [ 1536.525311][ T10] netlink_unicast+0x449/0x710 [ 1536.525311][ T10] netlink_sendmsg+0x723/0xbe0 [ 1536.525311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1536.525311][ T10] ___sys_sendmsg+0xee/0x170 [ 1536.525311][ T10] __sys_sendmsg+0xcd/0x170 [ 1536.525311][ T10] do_syscall_64+0xc6/0x1e0 [ 1536.525311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1536.525311][ T10] [ 1536.527282][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1536.527282][ T10] netdev_get_by_index+0x5e/0x80 [ 1536.527282][ T10] fib6_nh_init+0x3d8/0x1580 [ 1536.527282][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1536.527282][ T10] ip6_route_add+0x1c/0x140 [ 1536.527282][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1536.527282][ T10] addrconf_add_dev+0xe2/0x170 [ 1536.527282][ T10] inet6_addr_add+0x12f/0xa40 [ 1536.527282][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1536.527282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1536.527282][ T10] netlink_rcv_skb+0x130/0x360 [ 1536.527282][ T10] netlink_unicast+0x449/0x710 [ 1536.527282][ T10] netlink_sendmsg+0x723/0xbe0 [ 1536.527282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1536.527282][ T10] ___sys_sendmsg+0xee/0x170 [ 1536.527282][ T10] __sys_sendmsg+0xcd/0x170 [ 1536.527282][ T10] do_syscall_64+0xc6/0x1e0 [ 1536.527282][ T10] [ 1536.529227][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1536.529227][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1536.529227][ T10] ipv6_find_idev+0x102/0x170 [ 1536.529227][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1536.529227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1536.529227][ T10] netlink_rcv_skb+0x130/0x360 [ 1536.529227][ T10] netlink_unicast+0x449/0x710 [ 1536.529227][ T10] netlink_sendmsg+0x723/0xbe0 [ 1536.529227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1536.529227][ T10] ___sys_sendmsg+0xee/0x170 [ 1536.529227][ T10] __sys_sendmsg+0xcd/0x170 [ 1536.529227][ T10] do_syscall_64+0xc6/0x1e0 [ 1536.529227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1536.529227][ T10] [ 1536.530744][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1536.530744][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1536.530744][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1536.530744][ T10] ipv6_find_idev+0x102/0x170 [ 1536.530744][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1536.530744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1536.530744][ T10] netlink_rcv_skb+0x130/0x360 [ 1536.530744][ T10] netlink_unicast+0x449/0x710 [ 1536.530744][ T10] netlink_sendmsg+0x723/0xbe0 [ 1536.530744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1536.530744][ T10] ___sys_sendmsg+0xee/0x170 [ 1536.530744][ T10] __sys_sendmsg+0xcd/0x170 [ 1536.530744][ T10] do_syscall_64+0xc6/0x1e0 [ 1536.530744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1536.530744][ T10] [ 1536.532422][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1536.532667][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1536.532667][ T10] netdev_get_by_index+0x5e/0x80 [ 1536.532667][ T10] fib6_nh_init+0x3d8/0x1580 [ 1536.532667][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1536.532667][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1536.532667][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1536.532667][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1536.532667][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1536.532667][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1536.532667][ T10] addrconf_dad_begin+0x310/0x670 [ 1536.532667][ T10] addrconf_dad_work+0x10b/0xab0 [ 1536.532667][ T10] process_one_work+0x84d/0x18a0 [ 1536.532667][ T10] worker_thread+0x587/0xd30 [ 1536.532667][ T10] kthread+0x28a/0x350 [ 1536.532667][ T10] ret_from_fork+0x31/0x70 [ 1536.532667][ T10] ret_from_fork_asm+0x1a/0x30 [ 1536.532667][ T10] [ 1536.534562][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1536.534562][ T10] netdev_get_by_index+0x5e/0x80 [ 1536.534562][ T10] fib6_nh_init+0x3d8/0x1580 [ 1536.534562][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1536.534562][ T10] ip6_route_add+0x1c/0x140 [ 1536.534562][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1536.534562][ T10] inet6_addr_add+0x4f8/0xa40 [ 1536.534562][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1536.534562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1536.534562][ T10] netlink_rcv_skb+0x130/0x360 [ 1536.534562][ T10] netlink_unicast+0x449/0x710 [ 1536.534562][ T10] netlink_sendmsg+0x723/0xbe0 [ 1536.534562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1536.534562][ T10] ___sys_sendmsg+0xee/0x170 [ 1536.534562][ T10] __sys_sendmsg+0xcd/0x170 [ 1536.534562][ T10] do_syscall_64+0xc6/0x1e0 [ 1536.534562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1536.534562][ T10] [ 1536.536530][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1536.536530][ T10] netdev_get_by_index+0x5e/0x80 [ 1536.536530][ T10] fib6_nh_init+0x3d8/0x1580 [ 1536.536530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1536.536530][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1536.536530][ T10] ipv6_add_addr+0x411/0x2000 [ 1536.536530][ T10] inet6_addr_add+0x30e/0xa40 [ 1536.536530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1536.536530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1536.536530][ T10] netlink_rcv_skb+0x130/0x360 [ 1536.536530][ T10] netlink_unicast+0x449/0x710 [ 1536.536530][ T10] netlink_sendmsg+0x723/0xbe0 [ 1536.536530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1536.536530][ T10] ___sys_sendmsg+0xee/0x170 [ 1536.536530][ T10] __sys_sendmsg+0xcd/0x170 [ 1536.536530][ T10] do_syscall_64+0xc6/0x1e0 [ 1536.536530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1536.536530][ T10] [ 1536.538607][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1536.538607][ T10] netdev_get_by_index+0x5e/0x80 [ 1536.538607][ T10] fib6_nh_init+0x3d8/0x1580 [ 1536.538607][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1536.538607][ T10] ip6_route_add+0x1c/0x140 [ 1536.538607][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1536.538607][ T10] addrconf_add_dev+0xe2/0x170 [ 1536.538607][ T10] inet6_addr_add+0x12f/0xa40 [ 1536.538607][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1536.538607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1536.538607][ T10] netlink_rcv_skb+0x130/0x360 [ 1536.538607][ T10] netlink_unicast+0x449/0x710 [ 1536.538607][ T10] netlink_sendmsg+0x723/0xbe0 [ 1536.538607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1536.538607][ T10] ___sys_sendmsg+0xee/0x170 [ 1536.538607][ T10] __sys_sendmsg+0xcd/0x170 [ 1536.538607][ T10] do_syscall_64+0xc6/0x1e0 [ 1536.538607][ T10] [ 1536.540569][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1536.540569][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1536.540569][ T10] ipv6_find_idev+0x102/0x170 [ 1536.540569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1536.540569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1536.540569][ T10] netlink_rcv_skb+0x130/0x360 [ 1536.540569][ T10] netlink_unicast+0x449/0x710 [ 1536.540569][ T10] netlink_sendmsg+0x723/0xbe0 [ 1536.540569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1536.540569][ T10] ___sys_sendmsg+0xee/0x170 [ 1536.540569][ T10] __sys_sendmsg+0xcd/0x170 [ 1536.540569][ T10] do_syscall_64+0xc6/0x1e0 [ 1536.540569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1536.540569][ T10] [ 1536.542103][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1536.542103][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1536.542103][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1536.542103][ T10] ipv6_find_idev+0x102/0x170 [ 1536.542103][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1536.542103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1536.542103][ T10] netlink_rcv_skb+0x130/0x360 [ 1536.542103][ T10] netlink_unicast+0x449/0x710 [ 1536.542103][ T10] netlink_sendmsg+0x723/0xbe0 [ 1536.542103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1536.542103][ T10] ___sys_sendmsg+0xee/0x170 [ 1536.542103][ T10] __sys_sendmsg+0xcd/0x170 [ 1536.542103][ T10] do_syscall_64+0xc6/0x1e0 [ 1536.542103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1536.542103][ T10] [ 1536.543764][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1536.544033][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1536.544033][ T10] netdev_get_by_index+0x5e/0x80 [ 1536.544033][ T10] fib6_nh_init+0x3d8/0x1580 [ 1536.544033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1536.544033][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1536.544033][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1536.544033][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1536.544033][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1536.544033][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1536.544033][ T10] addrconf_dad_begin+0x310/0x670 [ 1536.544033][ T10] addrconf_dad_work+0x10b/0xab0 [ 1536.544033][ T10] process_one_work+0x84d/0x18a0 [ 1536.544033][ T10] worker_thread+0x587/0xd30 [ 1536.544033][ T10] kthread+0x28a/0x350 [ 1536.544033][ T10] ret_from_fork+0x31/0x70 [ 1536.544033][ T10] ret_from_fork_asm+0x1a/0x30 [ 1536.544033][ T10] [ 1536.545919][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1536.545919][ T10] netdev_get_by_index+0x5e/0x80 [ 1536.545919][ T10] fib6_nh_init+0x3d8/0x1580 [ 1536.545919][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1536.545919][ T10] ip6_route_add+0x1c/0x140 [ 1536.545919][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1536.545919][ T10] inet6_addr_add+0x4f8/0xa40 [ 1536.545919][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1536.545919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1536.545919][ T10] netlink_rcv_skb+0x130/0x360 [ 1536.545919][ T10] netlink_unicast+0x449/0x710 [ 1536.545919][ T10] netlink_sendmsg+0x723/0xbe0 [ 1536.545919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1536.545919][ T10] ___sys_sendmsg+0xee/0x170 [ 1536.545919][ T10] __sys_sendmsg+0xcd/0x170 [ 1536.545919][ T10] do_syscall_64+0xc6/0x1e0 [ 1536.545919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1536.545919][ T10] [ 1536.548031][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1536.548031][ T10] netdev_get_by_index+0x5e/0x80 [ 1536.548031][ T10] fib6_nh_init+0x3d8/0x1580 [ 1536.548031][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1536.548031][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1536.548031][ T10] ipv6_add_addr+0x411/0x2000 [ 1536.548031][ T10] inet6_addr_add+0x30e/0xa40 [ 1536.548031][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1536.548031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1536.548031][ T10] netlink_rcv_skb+0x130/0x360 [ 1536.548031][ T10] netlink_unicast+0x449/0x710 [ 1536.548031][ T10] netlink_sendmsg+0x723/0xbe0 [ 1536.548031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1536.548031][ T10] ___sys_sendmsg+0xee/0x170 [ 1536.548031][ T10] __sys_sendmsg+0xcd/0x170 [ 1536.548031][ T10] do_syscall_64+0xc6/0x1e0 [ 1536.548031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1536.548031][ T10] [ 1536.550134][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1536.550134][ T10] netdev_get_by_index+0x5e/0x80 [ 1536.550134][ T10] fib6_nh_init+0x3d8/0x1580 [ 1536.550134][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1536.550134][ T10] ip6_route_add+0x1c/0x140 [ 1536.550134][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1536.550134][ T10] addrconf_add_dev+0xe2/0x170 [ 1536.550134][ T10] inet6_addr_add+0x12f/0xa40 [ 1536.550134][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1536.550134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1536.550134][ T10] netlink_rcv_skb+0x130/0x360 [ 1536.550134][ T10] netlink_unicast+0x449/0x710 [ 1536.550134][ T10] netlink_sendmsg+0x723/0xbe0 [ 1536.550134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1536.550134][ T10] ___sys_sendmsg+0xee/0x170 [ 1536.550134][ T10] __sys_sendmsg+0xcd/0x170 [ 1536.550134][ T10] do_syscall_64+0xc6/0x1e0 [ 1536.550134][ T10] [ 1536.552237][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1536.552237][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1536.552237][ T10] ipv6_find_idev+0x102/0x170 [ 1536.552237][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1536.552237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1536.552237][ T10] netlink_rcv_skb+0x130/0x360 [ 1536.552237][ T10] netlink_unicast+0x449/0x710 [ 1536.552237][ T10] netlink_sendmsg+0x723/0xbe0 [ 1536.552237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1536.552237][ T10] ___sys_sendmsg+0xee/0x170 [ 1536.552237][ T10] __sys_sendmsg+0xcd/0x170 [ 1536.552237][ T10] do_syscall_64+0xc6/0x1e0 [ 1536.552237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1536.552237][ T10] [ 1536.553836][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1536.553836][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1536.553836][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1536.553836][ T10] ipv6_find_idev+0x102/0x170 [ 1536.553836][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1536.553836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1536.553836][ T10] netlink_rcv_skb+0x130/0x360 [ 1536.553836][ T10] netlink_unicast+0x449/0x710 [ 1536.553836][ T10] netlink_sendmsg+0x723/0xbe0 [ 1536.553836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1536.553836][ T10] ___sys_sendmsg+0xee/0x170 [ 1536.553836][ T10] __sys_sendmsg+0xcd/0x170 [ 1536.553836][ T10] do_syscall_64+0xc6/0x1e0 [ 1536.553836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1536.553836][ T10] [ 1536.555636][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1536.555885][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1536.555885][ T10] netdev_get_by_index+0x5e/0x80 [ 1536.555885][ T10] fib6_nh_init+0x3d8/0x1580 [ 1536.555885][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1536.555885][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1536.555885][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1536.555885][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1536.555885][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1536.555885][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1536.555885][ T10] addrconf_dad_begin+0x310/0x670 [ 1536.555885][ T10] addrconf_dad_work+0x10b/0xab0 [ 1536.555885][ T10] process_one_work+0x84d/0x18a0 [ 1536.555885][ T10] worker_thread+0x587/0xd30 [ 1536.555885][ T10] kthread+0x28a/0x350 [ 1536.555885][ T10] ret_from_fork+0x31/0x70 [ 1536.555885][ T10] ret_from_fork_asm+0x1a/0x30 [ 1536.555885][ T10] [ 1536.557936][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1536.557936][ T10] netdev_get_by_index+0x5e/0x80 [ 1536.557936][ T10] fib6_nh_init+0x3d8/0x1580 [ 1536.557936][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1536.557936][ T10] ip6_route_add+0x1c/0x140 [ 1536.557936][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1536.557936][ T10] inet6_addr_add+0x4f8/0xa40 [ 1536.557936][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1536.557936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1536.557936][ T10] netlink_rcv_skb+0x130/0x360 [ 1536.557936][ T10] netlink_unicast+0x449/0x710 [ 1536.557936][ T10] netlink_sendmsg+0x723/0xbe0 [ 1536.557936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1536.557936][ T10] ___sys_sendmsg+0xee/0x170 [ 1536.557936][ T10] __sys_sendmsg+0xcd/0x170 [ 1536.557936][ T10] do_syscall_64+0xc6/0x1e0 [ 1536.557936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1536.557936][ T10] [ 1536.560045][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1536.560045][ T10] netdev_get_by_index+0x5e/0x80 [ 1536.560045][ T10] fib6_nh_init+0x3d8/0x1580 [ 1536.560045][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1536.560045][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1536.560045][ T10] ipv6_add_addr+0x411/0x2000 [ 1536.560045][ T10] inet6_addr_add+0x30e/0xa40 [ 1536.560045][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1536.560045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1536.560045][ T10] netlink_rcv_skb+0x130/0x360 [ 1536.560045][ T10] netlink_unicast+0x449/0x710 [ 1536.560045][ T10] netlink_sendmsg+0x723/0xbe0 [ 1536.560045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1536.560045][ T10] ___sys_sendmsg+0xee/0x170 [ 1536.560045][ T10] __sys_sendmsg+0xcd/0x170 [ 1536.560045][ T10] do_syscall_64+0xc6/0x1e0 [ 1536.560045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1536.560045][ T10] [ 1536.562157][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1536.562157][ T10] netdev_get_by_index+0x5e/0x80 [ 1536.562157][ T10] fib6_nh_init+0x3d8/0x1580 [ 1536.562157][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1536.562157][ T10] ip6_route_add+0x1c/0x140 [ 1536.562157][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1536.562157][ T10] addrconf_add_dev+0xe2/0x170 [ 1536.562157][ T10] inet6_addr_add+0x12f/0xa40 [ 1536.562157][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1536.562157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1536.562157][ T10] netlink_rcv_skb+0x130/0x360 [ 1536.562157][ T10] netlink_unicast+0x449/0x710 [ 1536.562157][ T10] netlink_sendmsg+0x723/0xbe0 [ 1536.562157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1536.562157][ T10] ___sys_sendmsg+0xee/0x170 [ 1536.562157][ T10] __sys_sendmsg+0xcd/0x170 [ 1536.562157][ T10] do_syscall_64+0xc6/0x1e0 [ 1536.562157][ T10] [ 1536.564236][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1536.564236][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1536.564236][ T10] ipv6_find_idev+0x102/0x170 [ 1536.564236][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1536.564236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1536.564236][ T10] netlink_rcv_skb+0x130/0x360 [ 1536.564236][ T10] netlink_unicast+0x449/0x710 [ 1536.564236][ T10] netlink_sendmsg+0x723/0xbe0 [ 1536.564236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1536.564236][ T10] ___sys_sendmsg+0xee/0x170 [ 1536.564236][ T10] __sys_sendmsg+0xcd/0x170 [ 1536.564236][ T10] do_syscall_64+0xc6/0x1e0 [ 1536.564236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1536.564236][ T10] [ 1536.565820][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1536.565820][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1536.565820][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1536.565820][ T10] ipv6_find_idev+0x102/0x170 [ 1536.565820][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1536.565820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1536.565820][ T10] netlink_rcv_skb+0x130/0x360 [ 1536.565820][ T10] netlink_unicast+0x449/0x710 [ 1536.565820][ T10] netlink_sendmsg+0x723/0xbe0 [ 1536.565820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1536.565820][ T10] ___sys_sendmsg+0xee/0x170 [ 1536.565820][ T10] __sys_sendmsg+0xcd/0x170 [ 1536.565820][ T10] do_syscall_64+0xc6/0x1e0 [ 1536.565820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1536.565820][ T10] [ 1544.361050][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1544.361580][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1544.361580][ T1167] dst_init+0x84/0x4a0 [ 1544.361580][ T1167] dst_alloc+0x97/0x150 [ 1544.361580][ T1167] ip6_dst_alloc+0x23/0x90 [ 1544.361580][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1544.361580][ T1167] ip6_pol_route+0x56f/0x840 [ 1544.361580][ T1167] fib6_rule_lookup+0x334/0x630 [ 1544.361580][ T1167] ip6_route_output_flags+0x259/0x480 [ 1544.361580][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1544.361580][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1544.361580][ T1167] netlink_rcv_skb+0x130/0x360 [ 1544.361580][ T1167] netlink_unicast+0x449/0x710 [ 1544.361580][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1544.361580][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1544.361580][ T1167] ___sys_sendmsg+0xee/0x170 [ 1544.361580][ T1167] __sys_sendmsg+0xcd/0x170 [ 1544.361580][ T1167] do_syscall_64+0xc6/0x1e0 [ 1544.361580][ T1167] [ 1544.363811][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1544.363811][ T1167] netdev_get_by_index+0x5e/0x80 [ 1544.363811][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1544.363811][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1544.363811][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1544.363811][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1544.363811][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1544.363811][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1544.363811][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1544.363811][ T1167] addrconf_dad_begin+0x310/0x670 [ 1544.363811][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1544.363811][ T1167] process_one_work+0x84d/0x18a0 [ 1544.363811][ T1167] worker_thread+0x587/0xd30 [ 1544.363811][ T1167] kthread+0x28a/0x350 [ 1544.363811][ T1167] ret_from_fork+0x31/0x70 [ 1544.363811][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1544.363811][ T1167] [ 1544.365992][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1544.365992][ T1167] netdev_get_by_index+0x5e/0x80 [ 1544.365992][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1544.365992][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1544.365992][ T1167] ip6_route_add+0x1c/0x140 [ 1544.365992][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1544.365992][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1544.365992][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1544.365992][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.365992][ T1167] netlink_rcv_skb+0x130/0x360 [ 1544.365992][ T1167] netlink_unicast+0x449/0x710 [ 1544.365992][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1544.365992][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1544.365992][ T1167] ___sys_sendmsg+0xee/0x170 [ 1544.365992][ T1167] __sys_sendmsg+0xcd/0x170 [ 1544.365992][ T1167] do_syscall_64+0xc6/0x1e0 [ 1544.365992][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.365992][ T1167] [ 1544.368269][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1544.368269][ T1167] netdev_get_by_index+0x5e/0x80 [ 1544.368269][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1544.368269][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1544.368269][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1544.368269][ T1167] ipv6_add_addr+0x411/0x2000 [ 1544.368269][ T1167] inet6_addr_add+0x30e/0xa40 [ 1544.368269][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1544.368269][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.368269][ T1167] netlink_rcv_skb+0x130/0x360 [ 1544.368269][ T1167] netlink_unicast+0x449/0x710 [ 1544.368269][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1544.368269][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1544.368269][ T1167] ___sys_sendmsg+0xee/0x170 [ 1544.368269][ T1167] __sys_sendmsg+0xcd/0x170 [ 1544.368269][ T1167] do_syscall_64+0xc6/0x1e0 [ 1544.368269][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.368269][ T1167] [ 1544.370550][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1544.370550][ T1167] netdev_get_by_index+0x5e/0x80 [ 1544.370550][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1544.370550][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1544.370550][ T1167] ip6_route_add+0x1c/0x140 [ 1544.370550][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1544.370550][ T1167] addrconf_add_dev+0xe2/0x170 [ 1544.370550][ T1167] inet6_addr_add+0x12f/0xa40 [ 1544.370550][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1544.370550][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.370550][ T1167] netlink_rcv_skb+0x130/0x360 [ 1544.370550][ T1167] netlink_unicast+0x449/0x710 [ 1544.370550][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1544.370550][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1544.370550][ T1167] ___sys_sendmsg+0xee/0x170 [ 1544.370550][ T1167] __sys_sendmsg+0xcd/0x170 [ 1544.370550][ T1167] do_syscall_64+0xc6/0x1e0 [ 1544.370550][ T1167] [ 1544.372799][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1544.372799][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1544.372799][ T1167] ipv6_find_idev+0x102/0x170 [ 1544.372799][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1544.372799][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.372799][ T1167] netlink_rcv_skb+0x130/0x360 [ 1544.372799][ T1167] netlink_unicast+0x449/0x710 [ 1544.372799][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1544.372799][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1544.372799][ T1167] ___sys_sendmsg+0xee/0x170 [ 1544.372799][ T1167] __sys_sendmsg+0xcd/0x170 [ 1544.372799][ T1167] do_syscall_64+0xc6/0x1e0 [ 1544.372799][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.372799][ T1167] [ 1544.374558][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1544.374558][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1544.374558][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1544.374558][ T1167] ipv6_find_idev+0x102/0x170 [ 1544.374558][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1544.374558][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.374558][ T1167] netlink_rcv_skb+0x130/0x360 [ 1544.374558][ T1167] netlink_unicast+0x449/0x710 [ 1544.374558][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1544.374558][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1544.374558][ T1167] ___sys_sendmsg+0xee/0x170 [ 1544.374558][ T1167] __sys_sendmsg+0xcd/0x170 [ 1544.374558][ T1167] do_syscall_64+0xc6/0x1e0 [ 1544.374558][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.374558][ T1167] [ 1546.809078][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1546.809543][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1546.809543][ T10] netdev_get_by_index+0x5e/0x80 [ 1546.809543][ T10] fib6_nh_init+0x3d8/0x1580 [ 1546.809543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1546.809543][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1546.809543][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1546.809543][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1546.809543][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1546.809543][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1546.809543][ T10] addrconf_dad_begin+0x310/0x670 [ 1546.809543][ T10] addrconf_dad_work+0x10b/0xab0 [ 1546.809543][ T10] process_one_work+0x84d/0x18a0 [ 1546.809543][ T10] worker_thread+0x587/0xd30 [ 1546.809543][ T10] kthread+0x28a/0x350 [ 1546.809543][ T10] ret_from_fork+0x31/0x70 [ 1546.809543][ T10] ret_from_fork_asm+0x1a/0x30 [ 1546.809543][ T10] [ 1546.811676][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1546.811676][ T10] netdev_get_by_index+0x5e/0x80 [ 1546.811676][ T10] fib6_nh_init+0x3d8/0x1580 [ 1546.811676][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1546.811676][ T10] ip6_route_add+0x1c/0x140 [ 1546.811676][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1546.811676][ T10] inet6_addr_add+0x4f8/0xa40 [ 1546.811676][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1546.811676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1546.811676][ T10] netlink_rcv_skb+0x130/0x360 [ 1546.811676][ T10] netlink_unicast+0x449/0x710 [ 1546.811676][ T10] netlink_sendmsg+0x723/0xbe0 [ 1546.811676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1546.811676][ T10] ___sys_sendmsg+0xee/0x170 [ 1546.811676][ T10] __sys_sendmsg+0xcd/0x170 [ 1546.811676][ T10] do_syscall_64+0xc6/0x1e0 [ 1546.811676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1546.811676][ T10] [ 1546.813866][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1546.813866][ T10] netdev_get_by_index+0x5e/0x80 [ 1546.813866][ T10] fib6_nh_init+0x3d8/0x1580 [ 1546.813866][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1546.813866][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1546.813866][ T10] ipv6_add_addr+0x411/0x2000 [ 1546.813866][ T10] inet6_addr_add+0x30e/0xa40 [ 1546.813866][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1546.813866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1546.813866][ T10] netlink_rcv_skb+0x130/0x360 [ 1546.813866][ T10] netlink_unicast+0x449/0x710 [ 1546.813866][ T10] netlink_sendmsg+0x723/0xbe0 [ 1546.813866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1546.813866][ T10] ___sys_sendmsg+0xee/0x170 [ 1546.813866][ T10] __sys_sendmsg+0xcd/0x170 [ 1546.813866][ T10] do_syscall_64+0xc6/0x1e0 [ 1546.813866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1546.813866][ T10] [ 1546.816048][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1546.816048][ T10] netdev_get_by_index+0x5e/0x80 [ 1546.816048][ T10] fib6_nh_init+0x3d8/0x1580 [ 1546.816048][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1546.816048][ T10] ip6_route_add+0x1c/0x140 [ 1546.816048][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1546.816048][ T10] addrconf_add_dev+0xe2/0x170 [ 1546.816048][ T10] inet6_addr_add+0x12f/0xa40 [ 1546.816048][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1546.816048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1546.816048][ T10] netlink_rcv_skb+0x130/0x360 [ 1546.816048][ T10] netlink_unicast+0x449/0x710 [ 1546.816048][ T10] netlink_sendmsg+0x723/0xbe0 [ 1546.816048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1546.816048][ T10] ___sys_sendmsg+0xee/0x170 [ 1546.816048][ T10] __sys_sendmsg+0xcd/0x170 [ 1546.816048][ T10] do_syscall_64+0xc6/0x1e0 [ 1546.816048][ T10] [ 1546.818209][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1546.818209][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1546.818209][ T10] ipv6_find_idev+0x102/0x170 [ 1546.818209][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1546.818209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1546.818209][ T10] netlink_rcv_skb+0x130/0x360 [ 1546.818209][ T10] netlink_unicast+0x449/0x710 [ 1546.818209][ T10] netlink_sendmsg+0x723/0xbe0 [ 1546.818209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1546.818209][ T10] ___sys_sendmsg+0xee/0x170 [ 1546.818209][ T10] __sys_sendmsg+0xcd/0x170 [ 1546.818209][ T10] do_syscall_64+0xc6/0x1e0 [ 1546.818209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1546.818209][ T10] [ 1546.819893][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1546.819893][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1546.819893][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1546.819893][ T10] ipv6_find_idev+0x102/0x170 [ 1546.819893][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1546.819893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1546.819893][ T10] netlink_rcv_skb+0x130/0x360 [ 1546.819893][ T10] netlink_unicast+0x449/0x710 [ 1546.819893][ T10] netlink_sendmsg+0x723/0xbe0 [ 1546.819893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1546.819893][ T10] ___sys_sendmsg+0xee/0x170 [ 1546.819893][ T10] __sys_sendmsg+0xcd/0x170 [ 1546.819893][ T10] do_syscall_64+0xc6/0x1e0 [ 1546.819893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1546.819893][ T10] [ 1546.821734][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1546.821987][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1546.821987][ T10] netdev_get_by_index+0x5e/0x80 [ 1546.821987][ T10] fib6_nh_init+0x3d8/0x1580 [ 1546.821987][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1546.821987][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1546.821987][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1546.821987][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1546.821987][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1546.821987][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1546.821987][ T10] addrconf_dad_begin+0x310/0x670 [ 1546.821987][ T10] addrconf_dad_work+0x10b/0xab0 [ 1546.821987][ T10] process_one_work+0x84d/0x18a0 [ 1546.821987][ T10] worker_thread+0x587/0xd30 [ 1546.821987][ T10] kthread+0x28a/0x350 [ 1546.821987][ T10] ret_from_fork+0x31/0x70 [ 1546.821987][ T10] ret_from_fork_asm+0x1a/0x30 [ 1546.821987][ T10] [ 1546.824065][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1546.824065][ T10] netdev_get_by_index+0x5e/0x80 [ 1546.824065][ T10] fib6_nh_init+0x3d8/0x1580 [ 1546.824065][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1546.824065][ T10] ip6_route_add+0x1c/0x140 [ 1546.824065][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1546.824065][ T10] inet6_addr_add+0x4f8/0xa40 [ 1546.824065][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1546.824065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1546.824065][ T10] netlink_rcv_skb+0x130/0x360 [ 1546.824065][ T10] netlink_unicast+0x449/0x710 [ 1546.824065][ T10] netlink_sendmsg+0x723/0xbe0 [ 1546.824065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1546.824065][ T10] ___sys_sendmsg+0xee/0x170 [ 1546.824065][ T10] __sys_sendmsg+0xcd/0x170 [ 1546.824065][ T10] do_syscall_64+0xc6/0x1e0 [ 1546.824065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1546.824065][ T10] [ 1546.826246][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1546.826246][ T10] netdev_get_by_index+0x5e/0x80 [ 1546.826246][ T10] fib6_nh_init+0x3d8/0x1580 [ 1546.826246][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1546.826246][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1546.826246][ T10] ipv6_add_addr+0x411/0x2000 [ 1546.826246][ T10] inet6_addr_add+0x30e/0xa40 [ 1546.826246][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1546.826246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1546.826246][ T10] netlink_rcv_skb+0x130/0x360 [ 1546.826246][ T10] netlink_unicast+0x449/0x710 [ 1546.826246][ T10] netlink_sendmsg+0x723/0xbe0 [ 1546.826246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1546.826246][ T10] ___sys_sendmsg+0xee/0x170 [ 1546.826246][ T10] __sys_sendmsg+0xcd/0x170 [ 1546.826246][ T10] do_syscall_64+0xc6/0x1e0 [ 1546.826246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1546.826246][ T10] [ 1546.828424][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1546.828424][ T10] netdev_get_by_index+0x5e/0x80 [ 1546.828424][ T10] fib6_nh_init+0x3d8/0x1580 [ 1546.828424][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1546.828424][ T10] ip6_route_add+0x1c/0x140 [ 1546.828424][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1546.828424][ T10] addrconf_add_dev+0xe2/0x170 [ 1546.828424][ T10] inet6_addr_add+0x12f/0xa40 [ 1546.828424][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1546.828424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1546.828424][ T10] netlink_rcv_skb+0x130/0x360 [ 1546.828424][ T10] netlink_unicast+0x449/0x710 [ 1546.828424][ T10] netlink_sendmsg+0x723/0xbe0 [ 1546.828424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1546.828424][ T10] ___sys_sendmsg+0xee/0x170 [ 1546.828424][ T10] __sys_sendmsg+0xcd/0x170 [ 1546.828424][ T10] do_syscall_64+0xc6/0x1e0 [ 1546.828424][ T10] [ 1546.830560][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1546.830560][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1546.830560][ T10] ipv6_find_idev+0x102/0x170 [ 1546.830560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1546.830560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1546.830560][ T10] netlink_rcv_skb+0x130/0x360 [ 1546.830560][ T10] netlink_unicast+0x449/0x710 [ 1546.830560][ T10] netlink_sendmsg+0x723/0xbe0 [ 1546.830560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1546.830560][ T10] ___sys_sendmsg+0xee/0x170 [ 1546.830560][ T10] __sys_sendmsg+0xcd/0x170 [ 1546.830560][ T10] do_syscall_64+0xc6/0x1e0 [ 1546.830560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1546.830560][ T10] [ 1546.832253][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1546.832253][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1546.832253][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1546.832253][ T10] ipv6_find_idev+0x102/0x170 [ 1546.832253][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1546.832253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1546.832253][ T10] netlink_rcv_skb+0x130/0x360 [ 1546.832253][ T10] netlink_unicast+0x449/0x710 [ 1546.832253][ T10] netlink_sendmsg+0x723/0xbe0 [ 1546.832253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1546.832253][ T10] ___sys_sendmsg+0xee/0x170 [ 1546.832253][ T10] __sys_sendmsg+0xcd/0x170 [ 1546.832253][ T10] do_syscall_64+0xc6/0x1e0 [ 1546.832253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1546.832253][ T10] [ 1546.834094][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1546.834362][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1546.834362][ T10] netdev_get_by_index+0x5e/0x80 [ 1546.834362][ T10] fib6_nh_init+0x3d8/0x1580 [ 1546.834362][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1546.834362][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1546.834362][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1546.834362][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1546.834362][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1546.834362][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1546.834362][ T10] addrconf_dad_begin+0x310/0x670 [ 1546.834362][ T10] addrconf_dad_work+0x10b/0xab0 [ 1546.834362][ T10] process_one_work+0x84d/0x18a0 [ 1546.834362][ T10] worker_thread+0x587/0xd30 [ 1546.834362][ T10] kthread+0x28a/0x350 [ 1546.834362][ T10] ret_from_fork+0x31/0x70 [ 1546.834362][ T10] ret_from_fork_asm+0x1a/0x30 [ 1546.834362][ T10] [ 1546.836467][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1546.836467][ T10] netdev_get_by_index+0x5e/0x80 [ 1546.836467][ T10] fib6_nh_init+0x3d8/0x1580 [ 1546.836467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1546.836467][ T10] ip6_route_add+0x1c/0x140 [ 1546.836467][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1546.836467][ T10] inet6_addr_add+0x4f8/0xa40 [ 1546.836467][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1546.836467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1546.836467][ T10] netlink_rcv_skb+0x130/0x360 [ 1546.836467][ T10] netlink_unicast+0x449/0x710 [ 1546.836467][ T10] netlink_sendmsg+0x723/0xbe0 [ 1546.836467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1546.836467][ T10] ___sys_sendmsg+0xee/0x170 [ 1546.836467][ T10] __sys_sendmsg+0xcd/0x170 [ 1546.836467][ T10] do_syscall_64+0xc6/0x1e0 [ 1546.836467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1546.836467][ T10] [ 1546.838788][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1546.838788][ T10] netdev_get_by_index+0x5e/0x80 [ 1546.838788][ T10] fib6_nh_init+0x3d8/0x1580 [ 1546.838788][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1546.838788][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1546.838788][ T10] ipv6_add_addr+0x411/0x2000 [ 1546.838788][ T10] inet6_addr_add+0x30e/0xa40 [ 1546.838788][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1546.838788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1546.838788][ T10] netlink_rcv_skb+0x130/0x360 [ 1546.838788][ T10] netlink_unicast+0x449/0x710 [ 1546.838788][ T10] netlink_sendmsg+0x723/0xbe0 [ 1546.838788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1546.838788][ T10] ___sys_sendmsg+0xee/0x170 [ 1546.838788][ T10] __sys_sendmsg+0xcd/0x170 [ 1546.838788][ T10] do_syscall_64+0xc6/0x1e0 [ 1546.838788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1546.838788][ T10] [ 1546.841102][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1546.841102][ T10] netdev_get_by_index+0x5e/0x80 [ 1546.841102][ T10] fib6_nh_init+0x3d8/0x1580 [ 1546.841102][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1546.841102][ T10] ip6_route_add+0x1c/0x140 [ 1546.841102][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1546.841102][ T10] addrconf_add_dev+0xe2/0x170 [ 1546.841102][ T10] inet6_addr_add+0x12f/0xa40 [ 1546.841102][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1546.841102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1546.841102][ T10] netlink_rcv_skb+0x130/0x360 [ 1546.841102][ T10] netlink_unicast+0x449/0x710 [ 1546.841102][ T10] netlink_sendmsg+0x723/0xbe0 [ 1546.841102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1546.841102][ T10] ___sys_sendmsg+0xee/0x170 [ 1546.841102][ T10] __sys_sendmsg+0xcd/0x170 [ 1546.841102][ T10] do_syscall_64+0xc6/0x1e0 [ 1546.841102][ T10] [ 1546.843365][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1546.843365][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1546.843365][ T10] ipv6_find_idev+0x102/0x170 [ 1546.843365][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1546.843365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1546.843365][ T10] netlink_rcv_skb+0x130/0x360 [ 1546.843365][ T10] netlink_unicast+0x449/0x710 [ 1546.843365][ T10] netlink_sendmsg+0x723/0xbe0 [ 1546.843365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1546.843365][ T10] ___sys_sendmsg+0xee/0x170 [ 1546.843365][ T10] __sys_sendmsg+0xcd/0x170 [ 1546.843365][ T10] do_syscall_64+0xc6/0x1e0 [ 1546.843365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1546.843365][ T10] [ 1546.845100][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1546.845100][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1546.845100][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1546.845100][ T10] ipv6_find_idev+0x102/0x170 [ 1546.845100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1546.845100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1546.845100][ T10] netlink_rcv_skb+0x130/0x360 [ 1546.845100][ T10] netlink_unicast+0x449/0x710 [ 1546.845100][ T10] netlink_sendmsg+0x723/0xbe0 [ 1546.845100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1546.845100][ T10] ___sys_sendmsg+0xee/0x170 [ 1546.845100][ T10] __sys_sendmsg+0xcd/0x170 [ 1546.845100][ T10] do_syscall_64+0xc6/0x1e0 [ 1546.845100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1546.845100][ T10] [ 1546.847062][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1546.847320][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1546.847320][ T10] netdev_get_by_index+0x5e/0x80 [ 1546.847320][ T10] fib6_nh_init+0x3d8/0x1580 [ 1546.847320][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1546.847320][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1546.847320][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1546.847320][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1546.847320][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1546.847320][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1546.847320][ T10] addrconf_dad_begin+0x310/0x670 [ 1546.847320][ T10] addrconf_dad_work+0x10b/0xab0 [ 1546.847320][ T10] process_one_work+0x84d/0x18a0 [ 1546.847320][ T10] worker_thread+0x587/0xd30 [ 1546.847320][ T10] kthread+0x28a/0x350 [ 1546.847320][ T10] ret_from_fork+0x31/0x70 [ 1546.847320][ T10] ret_from_fork_asm+0x1a/0x30 [ 1546.847320][ T10] [ 1546.849528][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1546.849528][ T10] netdev_get_by_index+0x5e/0x80 [ 1546.849528][ T10] fib6_nh_init+0x3d8/0x1580 [ 1546.849528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1546.849528][ T10] ip6_route_add+0x1c/0x140 [ 1546.849528][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1546.849528][ T10] inet6_addr_add+0x4f8/0xa40 [ 1546.849528][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1546.849528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1546.849528][ T10] netlink_rcv_skb+0x130/0x360 [ 1546.849528][ T10] netlink_unicast+0x449/0x710 [ 1546.849528][ T10] netlink_sendmsg+0x723/0xbe0 [ 1546.849528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1546.849528][ T10] ___sys_sendmsg+0xee/0x170 [ 1546.849528][ T10] __sys_sendmsg+0xcd/0x170 [ 1546.849528][ T10] do_syscall_64+0xc6/0x1e0 [ 1546.849528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1546.849528][ T10] [ 1546.851822][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1546.851822][ T10] netdev_get_by_index+0x5e/0x80 [ 1546.851822][ T10] fib6_nh_init+0x3d8/0x1580 [ 1546.851822][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1546.851822][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1546.851822][ T10] ipv6_add_addr+0x411/0x2000 [ 1546.851822][ T10] inet6_addr_add+0x30e/0xa40 [ 1546.851822][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1546.851822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1546.851822][ T10] netlink_rcv_skb+0x130/0x360 [ 1546.851822][ T10] netlink_unicast+0x449/0x710 [ 1546.851822][ T10] netlink_sendmsg+0x723/0xbe0 [ 1546.851822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1546.851822][ T10] ___sys_sendmsg+0xee/0x170 [ 1546.851822][ T10] __sys_sendmsg+0xcd/0x170 [ 1546.851822][ T10] do_syscall_64+0xc6/0x1e0 [ 1546.851822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1546.851822][ T10] [ 1546.853954][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1546.853954][ T10] netdev_get_by_index+0x5e/0x80 [ 1546.853954][ T10] fib6_nh_init+0x3d8/0x1580 [ 1546.853954][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1546.853954][ T10] ip6_route_add+0x1c/0x140 [ 1546.853954][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1546.853954][ T10] addrconf_add_dev+0xe2/0x170 [ 1546.853954][ T10] inet6_addr_add+0x12f/0xa40 [ 1546.853954][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1546.853954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1546.853954][ T10] netlink_rcv_skb+0x130/0x360 [ 1546.853954][ T10] netlink_unicast+0x449/0x710 [ 1546.853954][ T10] netlink_sendmsg+0x723/0xbe0 [ 1546.853954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1546.853954][ T10] ___sys_sendmsg+0xee/0x170 [ 1546.853954][ T10] __sys_sendmsg+0xcd/0x170 [ 1546.853954][ T10] do_syscall_64+0xc6/0x1e0 [ 1546.853954][ T10] [ 1546.856231][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1546.856231][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1546.856231][ T10] ipv6_find_idev+0x102/0x170 [ 1546.856231][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1546.856231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1546.856231][ T10] netlink_rcv_skb+0x130/0x360 [ 1546.856231][ T10] netlink_unicast+0x449/0x710 [ 1546.856231][ T10] netlink_sendmsg+0x723/0xbe0 [ 1546.856231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1546.856231][ T10] ___sys_sendmsg+0xee/0x170 [ 1546.856231][ T10] __sys_sendmsg+0xcd/0x170 [ 1546.856231][ T10] do_syscall_64+0xc6/0x1e0 [ 1546.856231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1546.856231][ T10] [ 1546.857993][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1546.857993][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1546.857993][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1546.857993][ T10] ipv6_find_idev+0x102/0x170 [ 1546.857993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1546.857993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1546.857993][ T10] netlink_rcv_skb+0x130/0x360 [ 1546.857993][ T10] netlink_unicast+0x449/0x710 [ 1546.857993][ T10] netlink_sendmsg+0x723/0xbe0 [ 1546.857993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1546.857993][ T10] ___sys_sendmsg+0xee/0x170 [ 1546.857993][ T10] __sys_sendmsg+0xcd/0x170 [ 1546.857993][ T10] do_syscall_64+0xc6/0x1e0 [ 1546.857993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1546.857993][ T10] [ 1554.545225][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1554.545767][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1554.545767][ T1167] dst_init+0x84/0x4a0 [ 1554.545767][ T1167] dst_alloc+0x97/0x150 [ 1554.545767][ T1167] ip6_dst_alloc+0x23/0x90 [ 1554.545767][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1554.545767][ T1167] ip6_pol_route+0x56f/0x840 [ 1554.545767][ T1167] fib6_rule_lookup+0x334/0x630 [ 1554.545767][ T1167] ip6_route_output_flags+0x259/0x480 [ 1554.545767][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1554.545767][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1554.545767][ T1167] netlink_rcv_skb+0x130/0x360 [ 1554.545767][ T1167] netlink_unicast+0x449/0x710 [ 1554.545767][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1554.545767][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1554.545767][ T1167] ___sys_sendmsg+0xee/0x170 [ 1554.545767][ T1167] __sys_sendmsg+0xcd/0x170 [ 1554.545767][ T1167] do_syscall_64+0xc6/0x1e0 [ 1554.545767][ T1167] [ 1554.548388][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1554.548388][ T1167] netdev_get_by_index+0x5e/0x80 [ 1554.548388][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1554.548388][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1554.548388][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1554.548388][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1554.548388][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1554.548388][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1554.548388][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1554.548388][ T1167] addrconf_dad_begin+0x310/0x670 [ 1554.548388][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1554.548388][ T1167] process_one_work+0x84d/0x18a0 [ 1554.548388][ T1167] worker_thread+0x587/0xd30 [ 1554.548388][ T1167] kthread+0x28a/0x350 [ 1554.548388][ T1167] ret_from_fork+0x31/0x70 [ 1554.548388][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1554.548388][ T1167] [ 1554.550989][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1554.550989][ T1167] netdev_get_by_index+0x5e/0x80 [ 1554.550989][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1554.550989][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1554.550989][ T1167] ip6_route_add+0x1c/0x140 [ 1554.550989][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1554.550989][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1554.550989][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1554.550989][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.550989][ T1167] netlink_rcv_skb+0x130/0x360 [ 1554.550989][ T1167] netlink_unicast+0x449/0x710 [ 1554.550989][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1554.550989][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1554.550989][ T1167] ___sys_sendmsg+0xee/0x170 [ 1554.550989][ T1167] __sys_sendmsg+0xcd/0x170 [ 1554.550989][ T1167] do_syscall_64+0xc6/0x1e0 [ 1554.550989][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.550989][ T1167] [ 1554.553673][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1554.553673][ T1167] netdev_get_by_index+0x5e/0x80 [ 1554.553673][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1554.553673][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1554.553673][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1554.553673][ T1167] ipv6_add_addr+0x411/0x2000 [ 1554.553673][ T1167] inet6_addr_add+0x30e/0xa40 [ 1554.553673][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1554.553673][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.553673][ T1167] netlink_rcv_skb+0x130/0x360 [ 1554.553673][ T1167] netlink_unicast+0x449/0x710 [ 1554.553673][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1554.553673][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1554.553673][ T1167] ___sys_sendmsg+0xee/0x170 [ 1554.553673][ T1167] __sys_sendmsg+0xcd/0x170 [ 1554.553673][ T1167] do_syscall_64+0xc6/0x1e0 [ 1554.553673][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.553673][ T1167] [ 1554.556360][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1554.556360][ T1167] netdev_get_by_index+0x5e/0x80 [ 1554.556360][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1554.556360][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1554.556360][ T1167] ip6_route_add+0x1c/0x140 [ 1554.556360][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1554.556360][ T1167] addrconf_add_dev+0xe2/0x170 [ 1554.556360][ T1167] inet6_addr_add+0x12f/0xa40 [ 1554.556360][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1554.556360][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.556360][ T1167] netlink_rcv_skb+0x130/0x360 [ 1554.556360][ T1167] netlink_unicast+0x449/0x710 [ 1554.556360][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1554.556360][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1554.556360][ T1167] ___sys_sendmsg+0xee/0x170 [ 1554.556360][ T1167] __sys_sendmsg+0xcd/0x170 [ 1554.556360][ T1167] do_syscall_64+0xc6/0x1e0 [ 1554.556360][ T1167] [ 1554.558990][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1554.558990][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1554.558990][ T1167] ipv6_find_idev+0x102/0x170 [ 1554.558990][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1554.558990][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.558990][ T1167] netlink_rcv_skb+0x130/0x360 [ 1554.558990][ T1167] netlink_unicast+0x449/0x710 [ 1554.558990][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1554.558990][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1554.558990][ T1167] ___sys_sendmsg+0xee/0x170 [ 1554.558990][ T1167] __sys_sendmsg+0xcd/0x170 [ 1554.558990][ T1167] do_syscall_64+0xc6/0x1e0 [ 1554.558990][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.558990][ T1167] [ 1554.561071][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1554.561071][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1554.561071][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1554.561071][ T1167] ipv6_find_idev+0x102/0x170 [ 1554.561071][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1554.561071][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.561071][ T1167] netlink_rcv_skb+0x130/0x360 [ 1554.561071][ T1167] netlink_unicast+0x449/0x710 [ 1554.561071][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1554.561071][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1554.561071][ T1167] ___sys_sendmsg+0xee/0x170 [ 1554.561071][ T1167] __sys_sendmsg+0xcd/0x170 [ 1554.561071][ T1167] do_syscall_64+0xc6/0x1e0 [ 1554.561071][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.561071][ T1167] [ 1556.865076][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1556.865516][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1556.865516][ T10] netdev_get_by_index+0x5e/0x80 [ 1556.865516][ T10] fib6_nh_init+0x3d8/0x1580 [ 1556.865516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1556.865516][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1556.865516][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1556.865516][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1556.865516][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1556.865516][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1556.865516][ T10] addrconf_dad_begin+0x310/0x670 [ 1556.865516][ T10] addrconf_dad_work+0x10b/0xab0 [ 1556.865516][ T10] process_one_work+0x84d/0x18a0 [ 1556.865516][ T10] worker_thread+0x587/0xd30 [ 1556.865516][ T10] kthread+0x28a/0x350 [ 1556.865516][ T10] ret_from_fork+0x31/0x70 [ 1556.865516][ T10] ret_from_fork_asm+0x1a/0x30 [ 1556.865516][ T10] [ 1556.867457][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1556.867457][ T10] netdev_get_by_index+0x5e/0x80 [ 1556.867457][ T10] fib6_nh_init+0x3d8/0x1580 [ 1556.867457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1556.867457][ T10] ip6_route_add+0x1c/0x140 [ 1556.867457][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1556.867457][ T10] inet6_addr_add+0x4f8/0xa40 [ 1556.867457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1556.867457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1556.867457][ T10] netlink_rcv_skb+0x130/0x360 [ 1556.867457][ T10] netlink_unicast+0x449/0x710 [ 1556.867457][ T10] netlink_sendmsg+0x723/0xbe0 [ 1556.867457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1556.867457][ T10] ___sys_sendmsg+0xee/0x170 [ 1556.867457][ T10] __sys_sendmsg+0xcd/0x170 [ 1556.867457][ T10] do_syscall_64+0xc6/0x1e0 [ 1556.867457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1556.867457][ T10] [ 1556.869466][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1556.869466][ T10] netdev_get_by_index+0x5e/0x80 [ 1556.869466][ T10] fib6_nh_init+0x3d8/0x1580 [ 1556.869466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1556.869466][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1556.869466][ T10] ipv6_add_addr+0x411/0x2000 [ 1556.869466][ T10] inet6_addr_add+0x30e/0xa40 [ 1556.869466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1556.869466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1556.869466][ T10] netlink_rcv_skb+0x130/0x360 [ 1556.869466][ T10] netlink_unicast+0x449/0x710 [ 1556.869466][ T10] netlink_sendmsg+0x723/0xbe0 [ 1556.869466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1556.869466][ T10] ___sys_sendmsg+0xee/0x170 [ 1556.869466][ T10] __sys_sendmsg+0xcd/0x170 [ 1556.869466][ T10] do_syscall_64+0xc6/0x1e0 [ 1556.869466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1556.869466][ T10] [ 1556.871508][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1556.871508][ T10] netdev_get_by_index+0x5e/0x80 [ 1556.871508][ T10] fib6_nh_init+0x3d8/0x1580 [ 1556.871508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1556.871508][ T10] ip6_route_add+0x1c/0x140 [ 1556.871508][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1556.871508][ T10] addrconf_add_dev+0xe2/0x170 [ 1556.871508][ T10] inet6_addr_add+0x12f/0xa40 [ 1556.871508][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1556.871508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1556.871508][ T10] netlink_rcv_skb+0x130/0x360 [ 1556.871508][ T10] netlink_unicast+0x449/0x710 [ 1556.871508][ T10] netlink_sendmsg+0x723/0xbe0 [ 1556.871508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1556.871508][ T10] ___sys_sendmsg+0xee/0x170 [ 1556.871508][ T10] __sys_sendmsg+0xcd/0x170 [ 1556.871508][ T10] do_syscall_64+0xc6/0x1e0 [ 1556.871508][ T10] [ 1556.873472][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1556.873472][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1556.873472][ T10] ipv6_find_idev+0x102/0x170 [ 1556.873472][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1556.873472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1556.873472][ T10] netlink_rcv_skb+0x130/0x360 [ 1556.873472][ T10] netlink_unicast+0x449/0x710 [ 1556.873472][ T10] netlink_sendmsg+0x723/0xbe0 [ 1556.873472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1556.873472][ T10] ___sys_sendmsg+0xee/0x170 [ 1556.873472][ T10] __sys_sendmsg+0xcd/0x170 [ 1556.873472][ T10] do_syscall_64+0xc6/0x1e0 [ 1556.873472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1556.873472][ T10] [ 1556.875032][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1556.875032][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1556.875032][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1556.875032][ T10] ipv6_find_idev+0x102/0x170 [ 1556.875032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1556.875032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1556.875032][ T10] netlink_rcv_skb+0x130/0x360 [ 1556.875032][ T10] netlink_unicast+0x449/0x710 [ 1556.875032][ T10] netlink_sendmsg+0x723/0xbe0 [ 1556.875032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1556.875032][ T10] ___sys_sendmsg+0xee/0x170 [ 1556.875032][ T10] __sys_sendmsg+0xcd/0x170 [ 1556.875032][ T10] do_syscall_64+0xc6/0x1e0 [ 1556.875032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1556.875032][ T10] [ 1556.876749][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1556.877007][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1556.877007][ T10] netdev_get_by_index+0x5e/0x80 [ 1556.877007][ T10] fib6_nh_init+0x3d8/0x1580 [ 1556.877007][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1556.877007][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1556.877007][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1556.877007][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1556.877007][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1556.877007][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1556.877007][ T10] addrconf_dad_begin+0x310/0x670 [ 1556.877007][ T10] addrconf_dad_work+0x10b/0xab0 [ 1556.877007][ T10] process_one_work+0x84d/0x18a0 [ 1556.877007][ T10] worker_thread+0x587/0xd30 [ 1556.877007][ T10] kthread+0x28a/0x350 [ 1556.877007][ T10] ret_from_fork+0x31/0x70 [ 1556.877007][ T10] ret_from_fork_asm+0x1a/0x30 [ 1556.877007][ T10] [ 1556.878947][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1556.878947][ T10] netdev_get_by_index+0x5e/0x80 [ 1556.878947][ T10] fib6_nh_init+0x3d8/0x1580 [ 1556.878947][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1556.878947][ T10] ip6_route_add+0x1c/0x140 [ 1556.878947][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1556.878947][ T10] inet6_addr_add+0x4f8/0xa40 [ 1556.878947][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1556.878947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1556.878947][ T10] netlink_rcv_skb+0x130/0x360 [ 1556.878947][ T10] netlink_unicast+0x449/0x710 [ 1556.878947][ T10] netlink_sendmsg+0x723/0xbe0 [ 1556.878947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1556.878947][ T10] ___sys_sendmsg+0xee/0x170 [ 1556.878947][ T10] __sys_sendmsg+0xcd/0x170 [ 1556.878947][ T10] do_syscall_64+0xc6/0x1e0 [ 1556.878947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1556.878947][ T10] [ 1556.880965][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1556.880965][ T10] netdev_get_by_index+0x5e/0x80 [ 1556.880965][ T10] fib6_nh_init+0x3d8/0x1580 [ 1556.880965][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1556.880965][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1556.880965][ T10] ipv6_add_addr+0x411/0x2000 [ 1556.880965][ T10] inet6_addr_add+0x30e/0xa40 [ 1556.880965][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1556.880965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1556.880965][ T10] netlink_rcv_skb+0x130/0x360 [ 1556.880965][ T10] netlink_unicast+0x449/0x710 [ 1556.880965][ T10] netlink_sendmsg+0x723/0xbe0 [ 1556.880965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1556.880965][ T10] ___sys_sendmsg+0xee/0x170 [ 1556.880965][ T10] __sys_sendmsg+0xcd/0x170 [ 1556.880965][ T10] do_syscall_64+0xc6/0x1e0 [ 1556.880965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1556.880965][ T10] [ 1556.882972][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1556.882972][ T10] netdev_get_by_index+0x5e/0x80 [ 1556.882972][ T10] fib6_nh_init+0x3d8/0x1580 [ 1556.882972][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1556.882972][ T10] ip6_route_add+0x1c/0x140 [ 1556.882972][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1556.882972][ T10] addrconf_add_dev+0xe2/0x170 [ 1556.882972][ T10] inet6_addr_add+0x12f/0xa40 [ 1556.882972][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1556.882972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1556.882972][ T10] netlink_rcv_skb+0x130/0x360 [ 1556.882972][ T10] netlink_unicast+0x449/0x710 [ 1556.882972][ T10] netlink_sendmsg+0x723/0xbe0 [ 1556.882972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1556.882972][ T10] ___sys_sendmsg+0xee/0x170 [ 1556.882972][ T10] __sys_sendmsg+0xcd/0x170 [ 1556.882972][ T10] do_syscall_64+0xc6/0x1e0 [ 1556.882972][ T10] [ 1556.884944][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1556.884944][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1556.884944][ T10] ipv6_find_idev+0x102/0x170 [ 1556.884944][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1556.884944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1556.884944][ T10] netlink_rcv_skb+0x130/0x360 [ 1556.884944][ T10] netlink_unicast+0x449/0x710 [ 1556.884944][ T10] netlink_sendmsg+0x723/0xbe0 [ 1556.884944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1556.884944][ T10] ___sys_sendmsg+0xee/0x170 [ 1556.884944][ T10] __sys_sendmsg+0xcd/0x170 [ 1556.884944][ T10] do_syscall_64+0xc6/0x1e0 [ 1556.884944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1556.884944][ T10] [ 1556.886500][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1556.886500][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1556.886500][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1556.886500][ T10] ipv6_find_idev+0x102/0x170 [ 1556.886500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1556.886500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1556.886500][ T10] netlink_rcv_skb+0x130/0x360 [ 1556.886500][ T10] netlink_unicast+0x449/0x710 [ 1556.886500][ T10] netlink_sendmsg+0x723/0xbe0 [ 1556.886500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1556.886500][ T10] ___sys_sendmsg+0xee/0x170 [ 1556.886500][ T10] __sys_sendmsg+0xcd/0x170 [ 1556.886500][ T10] do_syscall_64+0xc6/0x1e0 [ 1556.886500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1556.886500][ T10] [ 1556.888211][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1556.888460][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1556.888460][ T10] netdev_get_by_index+0x5e/0x80 [ 1556.888460][ T10] fib6_nh_init+0x3d8/0x1580 [ 1556.888460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1556.888460][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1556.888460][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1556.888460][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1556.888460][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1556.888460][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1556.888460][ T10] addrconf_dad_begin+0x310/0x670 [ 1556.888460][ T10] addrconf_dad_work+0x10b/0xab0 [ 1556.888460][ T10] process_one_work+0x84d/0x18a0 [ 1556.888460][ T10] worker_thread+0x587/0xd30 [ 1556.888460][ T10] kthread+0x28a/0x350 [ 1556.888460][ T10] ret_from_fork+0x31/0x70 [ 1556.888460][ T10] ret_from_fork_asm+0x1a/0x30 [ 1556.888460][ T10] [ 1556.890381][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1556.890381][ T10] netdev_get_by_index+0x5e/0x80 [ 1556.890381][ T10] fib6_nh_init+0x3d8/0x1580 [ 1556.890381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1556.890381][ T10] ip6_route_add+0x1c/0x140 [ 1556.890381][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1556.890381][ T10] inet6_addr_add+0x4f8/0xa40 [ 1556.890381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1556.890381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1556.890381][ T10] netlink_rcv_skb+0x130/0x360 [ 1556.890381][ T10] netlink_unicast+0x449/0x710 [ 1556.890381][ T10] netlink_sendmsg+0x723/0xbe0 [ 1556.890381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1556.890381][ T10] ___sys_sendmsg+0xee/0x170 [ 1556.890381][ T10] __sys_sendmsg+0xcd/0x170 [ 1556.890381][ T10] do_syscall_64+0xc6/0x1e0 [ 1556.890381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1556.890381][ T10] [ 1556.892566][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1556.892566][ T10] netdev_get_by_index+0x5e/0x80 [ 1556.892566][ T10] fib6_nh_init+0x3d8/0x1580 [ 1556.892566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1556.892566][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1556.892566][ T10] ipv6_add_addr+0x411/0x2000 [ 1556.892566][ T10] inet6_addr_add+0x30e/0xa40 [ 1556.892566][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1556.892566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1556.892566][ T10] netlink_rcv_skb+0x130/0x360 [ 1556.892566][ T10] netlink_unicast+0x449/0x710 [ 1556.892566][ T10] netlink_sendmsg+0x723/0xbe0 [ 1556.892566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1556.892566][ T10] ___sys_sendmsg+0xee/0x170 [ 1556.892566][ T10] __sys_sendmsg+0xcd/0x170 [ 1556.892566][ T10] do_syscall_64+0xc6/0x1e0 [ 1556.892566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1556.892566][ T10] [ 1556.894807][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1556.894807][ T10] netdev_get_by_index+0x5e/0x80 [ 1556.894807][ T10] fib6_nh_init+0x3d8/0x1580 [ 1556.894807][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1556.894807][ T10] ip6_route_add+0x1c/0x140 [ 1556.894807][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1556.894807][ T10] addrconf_add_dev+0xe2/0x170 [ 1556.894807][ T10] inet6_addr_add+0x12f/0xa40 [ 1556.894807][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1556.894807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1556.894807][ T10] netlink_rcv_skb+0x130/0x360 [ 1556.894807][ T10] netlink_unicast+0x449/0x710 [ 1556.894807][ T10] netlink_sendmsg+0x723/0xbe0 [ 1556.894807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1556.894807][ T10] ___sys_sendmsg+0xee/0x170 [ 1556.894807][ T10] __sys_sendmsg+0xcd/0x170 [ 1556.894807][ T10] do_syscall_64+0xc6/0x1e0 [ 1556.894807][ T10] [ 1556.897012][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1556.897012][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1556.897012][ T10] ipv6_find_idev+0x102/0x170 [ 1556.897012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1556.897012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1556.897012][ T10] netlink_rcv_skb+0x130/0x360 [ 1556.897012][ T10] netlink_unicast+0x449/0x710 [ 1556.897012][ T10] netlink_sendmsg+0x723/0xbe0 [ 1556.897012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1556.897012][ T10] ___sys_sendmsg+0xee/0x170 [ 1556.897012][ T10] __sys_sendmsg+0xcd/0x170 [ 1556.897012][ T10] do_syscall_64+0xc6/0x1e0 [ 1556.897012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1556.897012][ T10] [ 1556.898742][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1556.898742][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1556.898742][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1556.898742][ T10] ipv6_find_idev+0x102/0x170 [ 1556.898742][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1556.898742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1556.898742][ T10] netlink_rcv_skb+0x130/0x360 [ 1556.898742][ T10] netlink_unicast+0x449/0x710 [ 1556.898742][ T10] netlink_sendmsg+0x723/0xbe0 [ 1556.898742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1556.898742][ T10] ___sys_sendmsg+0xee/0x170 [ 1556.898742][ T10] __sys_sendmsg+0xcd/0x170 [ 1556.898742][ T10] do_syscall_64+0xc6/0x1e0 [ 1556.898742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1556.898742][ T10] [ 1556.900699][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1556.900949][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1556.900949][ T10] netdev_get_by_index+0x5e/0x80 [ 1556.900949][ T10] fib6_nh_init+0x3d8/0x1580 [ 1556.900949][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1556.900949][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1556.900949][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1556.900949][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1556.900949][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1556.900949][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1556.900949][ T10] addrconf_dad_begin+0x310/0x670 [ 1556.900949][ T10] addrconf_dad_work+0x10b/0xab0 [ 1556.900949][ T10] process_one_work+0x84d/0x18a0 [ 1556.900949][ T10] worker_thread+0x587/0xd30 [ 1556.900949][ T10] kthread+0x28a/0x350 [ 1556.900949][ T10] ret_from_fork+0x31/0x70 [ 1556.900949][ T10] ret_from_fork_asm+0x1a/0x30 [ 1556.900949][ T10] [ 1556.903123][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1556.903123][ T10] netdev_get_by_index+0x5e/0x80 [ 1556.903123][ T10] fib6_nh_init+0x3d8/0x1580 [ 1556.903123][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1556.903123][ T10] ip6_route_add+0x1c/0x140 [ 1556.903123][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1556.903123][ T10] inet6_addr_add+0x4f8/0xa40 [ 1556.903123][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1556.903123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1556.903123][ T10] netlink_rcv_skb+0x130/0x360 [ 1556.903123][ T10] netlink_unicast+0x449/0x710 [ 1556.903123][ T10] netlink_sendmsg+0x723/0xbe0 [ 1556.903123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1556.903123][ T10] ___sys_sendmsg+0xee/0x170 [ 1556.903123][ T10] __sys_sendmsg+0xcd/0x170 [ 1556.903123][ T10] do_syscall_64+0xc6/0x1e0 [ 1556.903123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1556.903123][ T10] [ 1556.905473][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1556.905473][ T10] netdev_get_by_index+0x5e/0x80 [ 1556.905473][ T10] fib6_nh_init+0x3d8/0x1580 [ 1556.905473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1556.905473][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1556.905473][ T10] ipv6_add_addr+0x411/0x2000 [ 1556.905473][ T10] inet6_addr_add+0x30e/0xa40 [ 1556.905473][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1556.905473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1556.905473][ T10] netlink_rcv_skb+0x130/0x360 [ 1556.905473][ T10] netlink_unicast+0x449/0x710 [ 1556.905473][ T10] netlink_sendmsg+0x723/0xbe0 [ 1556.905473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1556.905473][ T10] ___sys_sendmsg+0xee/0x170 [ 1556.905473][ T10] __sys_sendmsg+0xcd/0x170 [ 1556.905473][ T10] do_syscall_64+0xc6/0x1e0 [ 1556.905473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1556.905473][ T10] [ 1556.907836][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1556.907836][ T10] netdev_get_by_index+0x5e/0x80 [ 1556.907836][ T10] fib6_nh_init+0x3d8/0x1580 [ 1556.907836][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1556.907836][ T10] ip6_route_add+0x1c/0x140 [ 1556.907836][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1556.907836][ T10] addrconf_add_dev+0xe2/0x170 [ 1556.907836][ T10] inet6_addr_add+0x12f/0xa40 [ 1556.907836][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1556.907836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1556.907836][ T10] netlink_rcv_skb+0x130/0x360 [ 1556.907836][ T10] netlink_unicast+0x449/0x710 [ 1556.907836][ T10] netlink_sendmsg+0x723/0xbe0 [ 1556.907836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1556.907836][ T10] ___sys_sendmsg+0xee/0x170 [ 1556.907836][ T10] __sys_sendmsg+0xcd/0x170 [ 1556.907836][ T10] do_syscall_64+0xc6/0x1e0 [ 1556.907836][ T10] [ 1556.910252][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1556.910252][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1556.910252][ T10] ipv6_find_idev+0x102/0x170 [ 1556.910252][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1556.910252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1556.910252][ T10] netlink_rcv_skb+0x130/0x360 [ 1556.910252][ T10] netlink_unicast+0x449/0x710 [ 1556.910252][ T10] netlink_sendmsg+0x723/0xbe0 [ 1556.910252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1556.910252][ T10] ___sys_sendmsg+0xee/0x170 [ 1556.910252][ T10] __sys_sendmsg+0xcd/0x170 [ 1556.910252][ T10] do_syscall_64+0xc6/0x1e0 [ 1556.910252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1556.910252][ T10] [ 1556.912122][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1556.912122][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1556.912122][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1556.912122][ T10] ipv6_find_idev+0x102/0x170 [ 1556.912122][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1556.912122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1556.912122][ T10] netlink_rcv_skb+0x130/0x360 [ 1556.912122][ T10] netlink_unicast+0x449/0x710 [ 1556.912122][ T10] netlink_sendmsg+0x723/0xbe0 [ 1556.912122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1556.912122][ T10] ___sys_sendmsg+0xee/0x170 [ 1556.912122][ T10] __sys_sendmsg+0xcd/0x170 [ 1556.912122][ T10] do_syscall_64+0xc6/0x1e0 [ 1556.912122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1556.912122][ T10] [ 1564.641159][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1564.641678][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1564.641678][ T1167] dst_init+0x84/0x4a0 [ 1564.641678][ T1167] dst_alloc+0x97/0x150 [ 1564.641678][ T1167] ip6_dst_alloc+0x23/0x90 [ 1564.641678][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1564.641678][ T1167] ip6_pol_route+0x56f/0x840 [ 1564.641678][ T1167] fib6_rule_lookup+0x334/0x630 [ 1564.641678][ T1167] ip6_route_output_flags+0x259/0x480 [ 1564.641678][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1564.641678][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1564.641678][ T1167] netlink_rcv_skb+0x130/0x360 [ 1564.641678][ T1167] netlink_unicast+0x449/0x710 [ 1564.641678][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1564.641678][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1564.641678][ T1167] ___sys_sendmsg+0xee/0x170 [ 1564.641678][ T1167] __sys_sendmsg+0xcd/0x170 [ 1564.641678][ T1167] do_syscall_64+0xc6/0x1e0 [ 1564.641678][ T1167] [ 1564.643911][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1564.643911][ T1167] netdev_get_by_index+0x5e/0x80 [ 1564.643911][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1564.643911][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1564.643911][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1564.643911][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1564.643911][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1564.643911][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1564.643911][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1564.643911][ T1167] addrconf_dad_begin+0x310/0x670 [ 1564.643911][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1564.643911][ T1167] process_one_work+0x84d/0x18a0 [ 1564.643911][ T1167] worker_thread+0x587/0xd30 [ 1564.643911][ T1167] kthread+0x28a/0x350 [ 1564.643911][ T1167] ret_from_fork+0x31/0x70 [ 1564.643911][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1564.643911][ T1167] [ 1564.646068][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1564.646068][ T1167] netdev_get_by_index+0x5e/0x80 [ 1564.646068][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1564.646068][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1564.646068][ T1167] ip6_route_add+0x1c/0x140 [ 1564.646068][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1564.646068][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1564.646068][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1564.646068][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.646068][ T1167] netlink_rcv_skb+0x130/0x360 [ 1564.646068][ T1167] netlink_unicast+0x449/0x710 [ 1564.646068][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1564.646068][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1564.646068][ T1167] ___sys_sendmsg+0xee/0x170 [ 1564.646068][ T1167] __sys_sendmsg+0xcd/0x170 [ 1564.646068][ T1167] do_syscall_64+0xc6/0x1e0 [ 1564.646068][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.646068][ T1167] [ 1564.648302][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1564.648302][ T1167] netdev_get_by_index+0x5e/0x80 [ 1564.648302][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1564.648302][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1564.648302][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1564.648302][ T1167] ipv6_add_addr+0x411/0x2000 [ 1564.648302][ T1167] inet6_addr_add+0x30e/0xa40 [ 1564.648302][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1564.648302][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.648302][ T1167] netlink_rcv_skb+0x130/0x360 [ 1564.648302][ T1167] netlink_unicast+0x449/0x710 [ 1564.648302][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1564.648302][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1564.648302][ T1167] ___sys_sendmsg+0xee/0x170 [ 1564.648302][ T1167] __sys_sendmsg+0xcd/0x170 [ 1564.648302][ T1167] do_syscall_64+0xc6/0x1e0 [ 1564.648302][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.648302][ T1167] [ 1564.650545][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1564.650545][ T1167] netdev_get_by_index+0x5e/0x80 [ 1564.650545][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1564.650545][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1564.650545][ T1167] ip6_route_add+0x1c/0x140 [ 1564.650545][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1564.650545][ T1167] addrconf_add_dev+0xe2/0x170 [ 1564.650545][ T1167] inet6_addr_add+0x12f/0xa40 [ 1564.650545][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1564.650545][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.650545][ T1167] netlink_rcv_skb+0x130/0x360 [ 1564.650545][ T1167] netlink_unicast+0x449/0x710 [ 1564.650545][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1564.650545][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1564.650545][ T1167] ___sys_sendmsg+0xee/0x170 [ 1564.650545][ T1167] __sys_sendmsg+0xcd/0x170 [ 1564.650545][ T1167] do_syscall_64+0xc6/0x1e0 [ 1564.650545][ T1167] [ 1564.652792][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1564.652792][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1564.652792][ T1167] ipv6_find_idev+0x102/0x170 [ 1564.652792][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1564.652792][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.652792][ T1167] netlink_rcv_skb+0x130/0x360 [ 1564.652792][ T1167] netlink_unicast+0x449/0x710 [ 1564.652792][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1564.652792][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1564.652792][ T1167] ___sys_sendmsg+0xee/0x170 [ 1564.652792][ T1167] __sys_sendmsg+0xcd/0x170 [ 1564.652792][ T1167] do_syscall_64+0xc6/0x1e0 [ 1564.652792][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.652792][ T1167] [ 1564.654519][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1564.654519][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1564.654519][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1564.654519][ T1167] ipv6_find_idev+0x102/0x170 [ 1564.654519][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1564.654519][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1564.654519][ T1167] netlink_rcv_skb+0x130/0x360 [ 1564.654519][ T1167] netlink_unicast+0x449/0x710 [ 1564.654519][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1564.654519][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1564.654519][ T1167] ___sys_sendmsg+0xee/0x170 [ 1564.654519][ T1167] __sys_sendmsg+0xcd/0x170 [ 1564.654519][ T1167] do_syscall_64+0xc6/0x1e0 [ 1564.654519][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1564.654519][ T1167] [ 1566.945200][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1566.945933][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1566.945933][ T10] netdev_get_by_index+0x5e/0x80 [ 1566.945933][ T10] fib6_nh_init+0x3d8/0x1580 [ 1566.945933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1566.945933][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1566.945933][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1566.945933][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1566.945933][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1566.945933][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1566.945933][ T10] addrconf_dad_begin+0x310/0x670 [ 1566.945933][ T10] addrconf_dad_work+0x10b/0xab0 [ 1566.945933][ T10] process_one_work+0x84d/0x18a0 [ 1566.945933][ T10] worker_thread+0x587/0xd30 [ 1566.945933][ T10] kthread+0x28a/0x350 [ 1566.945933][ T10] ret_from_fork+0x31/0x70 [ 1566.945933][ T10] ret_from_fork_asm+0x1a/0x30 [ 1566.945933][ T10] [ 1566.949084][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1566.949084][ T10] netdev_get_by_index+0x5e/0x80 [ 1566.949084][ T10] fib6_nh_init+0x3d8/0x1580 [ 1566.949084][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1566.949084][ T10] ip6_route_add+0x1c/0x140 [ 1566.949084][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1566.949084][ T10] inet6_addr_add+0x4f8/0xa40 [ 1566.949084][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1566.949084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1566.949084][ T10] netlink_rcv_skb+0x130/0x360 [ 1566.949084][ T10] netlink_unicast+0x449/0x710 [ 1566.949084][ T10] netlink_sendmsg+0x723/0xbe0 [ 1566.949084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1566.949084][ T10] ___sys_sendmsg+0xee/0x170 [ 1566.949084][ T10] __sys_sendmsg+0xcd/0x170 [ 1566.949084][ T10] do_syscall_64+0xc6/0x1e0 [ 1566.949084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1566.949084][ T10] [ 1566.952396][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1566.952396][ T10] netdev_get_by_index+0x5e/0x80 [ 1566.952396][ T10] fib6_nh_init+0x3d8/0x1580 [ 1566.952396][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1566.952396][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1566.952396][ T10] ipv6_add_addr+0x411/0x2000 [ 1566.952396][ T10] inet6_addr_add+0x30e/0xa40 [ 1566.952396][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1566.952396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1566.952396][ T10] netlink_rcv_skb+0x130/0x360 [ 1566.952396][ T10] netlink_unicast+0x449/0x710 [ 1566.952396][ T10] netlink_sendmsg+0x723/0xbe0 [ 1566.952396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1566.952396][ T10] ___sys_sendmsg+0xee/0x170 [ 1566.952396][ T10] __sys_sendmsg+0xcd/0x170 [ 1566.952396][ T10] do_syscall_64+0xc6/0x1e0 [ 1566.952396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1566.952396][ T10] [ 1566.955685][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1566.955685][ T10] netdev_get_by_index+0x5e/0x80 [ 1566.955685][ T10] fib6_nh_init+0x3d8/0x1580 [ 1566.955685][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1566.955685][ T10] ip6_route_add+0x1c/0x140 [ 1566.955685][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1566.955685][ T10] addrconf_add_dev+0xe2/0x170 [ 1566.955685][ T10] inet6_addr_add+0x12f/0xa40 [ 1566.955685][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1566.955685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1566.955685][ T10] netlink_rcv_skb+0x130/0x360 [ 1566.955685][ T10] netlink_unicast+0x449/0x710 [ 1566.955685][ T10] netlink_sendmsg+0x723/0xbe0 [ 1566.955685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1566.955685][ T10] ___sys_sendmsg+0xee/0x170 [ 1566.955685][ T10] __sys_sendmsg+0xcd/0x170 [ 1566.955685][ T10] do_syscall_64+0xc6/0x1e0 [ 1566.955685][ T10] [ 1566.958890][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1566.958890][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1566.958890][ T10] ipv6_find_idev+0x102/0x170 [ 1566.958890][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1566.958890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1566.958890][ T10] netlink_rcv_skb+0x130/0x360 [ 1566.958890][ T10] netlink_unicast+0x449/0x710 [ 1566.958890][ T10] netlink_sendmsg+0x723/0xbe0 [ 1566.958890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1566.958890][ T10] ___sys_sendmsg+0xee/0x170 [ 1566.958890][ T10] __sys_sendmsg+0xcd/0x170 [ 1566.958890][ T10] do_syscall_64+0xc6/0x1e0 [ 1566.958890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1566.958890][ T10] [ 1566.961406][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1566.961406][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1566.961406][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1566.961406][ T10] ipv6_find_idev+0x102/0x170 [ 1566.961406][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1566.961406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1566.961406][ T10] netlink_rcv_skb+0x130/0x360 [ 1566.961406][ T10] netlink_unicast+0x449/0x710 [ 1566.961406][ T10] netlink_sendmsg+0x723/0xbe0 [ 1566.961406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1566.961406][ T10] ___sys_sendmsg+0xee/0x170 [ 1566.961406][ T10] __sys_sendmsg+0xcd/0x170 [ 1566.961406][ T10] do_syscall_64+0xc6/0x1e0 [ 1566.961406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1566.961406][ T10] [ 1566.964257][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1566.964742][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1566.964742][ T10] netdev_get_by_index+0x5e/0x80 [ 1566.964742][ T10] fib6_nh_init+0x3d8/0x1580 [ 1566.964742][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1566.964742][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1566.964742][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1566.964742][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1566.964742][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1566.964742][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1566.964742][ T10] addrconf_dad_begin+0x310/0x670 [ 1566.964742][ T10] addrconf_dad_work+0x10b/0xab0 [ 1566.964742][ T10] process_one_work+0x84d/0x18a0 [ 1566.964742][ T10] worker_thread+0x587/0xd30 [ 1566.964742][ T10] kthread+0x28a/0x350 [ 1566.964742][ T10] ret_from_fork+0x31/0x70 [ 1566.964742][ T10] ret_from_fork_asm+0x1a/0x30 [ 1566.964742][ T10] [ 1566.967871][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1566.967871][ T10] netdev_get_by_index+0x5e/0x80 [ 1566.967871][ T10] fib6_nh_init+0x3d8/0x1580 [ 1566.967871][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1566.967871][ T10] ip6_route_add+0x1c/0x140 [ 1566.967871][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1566.967871][ T10] inet6_addr_add+0x4f8/0xa40 [ 1566.967871][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1566.967871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1566.967871][ T10] netlink_rcv_skb+0x130/0x360 [ 1566.967871][ T10] netlink_unicast+0x449/0x710 [ 1566.967871][ T10] netlink_sendmsg+0x723/0xbe0 [ 1566.967871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1566.967871][ T10] ___sys_sendmsg+0xee/0x170 [ 1566.967871][ T10] __sys_sendmsg+0xcd/0x170 [ 1566.967871][ T10] do_syscall_64+0xc6/0x1e0 [ 1566.967871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1566.967871][ T10] [ 1566.971165][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1566.971165][ T10] netdev_get_by_index+0x5e/0x80 [ 1566.971165][ T10] fib6_nh_init+0x3d8/0x1580 [ 1566.971165][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1566.971165][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1566.971165][ T10] ipv6_add_addr+0x411/0x2000 [ 1566.971165][ T10] inet6_addr_add+0x30e/0xa40 [ 1566.971165][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1566.971165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1566.971165][ T10] netlink_rcv_skb+0x130/0x360 [ 1566.971165][ T10] netlink_unicast+0x449/0x710 [ 1566.971165][ T10] netlink_sendmsg+0x723/0xbe0 [ 1566.971165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1566.971165][ T10] ___sys_sendmsg+0xee/0x170 [ 1566.971165][ T10] __sys_sendmsg+0xcd/0x170 [ 1566.971165][ T10] do_syscall_64+0xc6/0x1e0 [ 1566.971165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1566.971165][ T10] [ 1566.973816][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1566.973816][ T10] netdev_get_by_index+0x5e/0x80 [ 1566.973816][ T10] fib6_nh_init+0x3d8/0x1580 [ 1566.973816][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1566.973816][ T10] ip6_route_add+0x1c/0x140 [ 1566.973816][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1566.973816][ T10] addrconf_add_dev+0xe2/0x170 [ 1566.973816][ T10] inet6_addr_add+0x12f/0xa40 [ 1566.973816][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1566.973816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1566.973816][ T10] netlink_rcv_skb+0x130/0x360 [ 1566.973816][ T10] netlink_unicast+0x449/0x710 [ 1566.973816][ T10] netlink_sendmsg+0x723/0xbe0 [ 1566.973816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1566.973816][ T10] ___sys_sendmsg+0xee/0x170 [ 1566.973816][ T10] __sys_sendmsg+0xcd/0x170 [ 1566.973816][ T10] do_syscall_64+0xc6/0x1e0 [ 1566.973816][ T10] [ 1566.975919][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1566.975919][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1566.975919][ T10] ipv6_find_idev+0x102/0x170 [ 1566.975919][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1566.975919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1566.975919][ T10] netlink_rcv_skb+0x130/0x360 [ 1566.975919][ T10] netlink_unicast+0x449/0x710 [ 1566.975919][ T10] netlink_sendmsg+0x723/0xbe0 [ 1566.975919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1566.975919][ T10] ___sys_sendmsg+0xee/0x170 [ 1566.975919][ T10] __sys_sendmsg+0xcd/0x170 [ 1566.975919][ T10] do_syscall_64+0xc6/0x1e0 [ 1566.975919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1566.975919][ T10] [ 1566.977493][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1566.977493][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1566.977493][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1566.977493][ T10] ipv6_find_idev+0x102/0x170 [ 1566.977493][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1566.977493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1566.977493][ T10] netlink_rcv_skb+0x130/0x360 [ 1566.977493][ T10] netlink_unicast+0x449/0x710 [ 1566.977493][ T10] netlink_sendmsg+0x723/0xbe0 [ 1566.977493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1566.977493][ T10] ___sys_sendmsg+0xee/0x170 [ 1566.977493][ T10] __sys_sendmsg+0xcd/0x170 [ 1566.977493][ T10] do_syscall_64+0xc6/0x1e0 [ 1566.977493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1566.977493][ T10] [ 1566.979264][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1566.979548][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1566.979548][ T10] netdev_get_by_index+0x5e/0x80 [ 1566.979548][ T10] fib6_nh_init+0x3d8/0x1580 [ 1566.979548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1566.979548][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1566.979548][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1566.979548][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1566.979548][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1566.979548][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1566.979548][ T10] addrconf_dad_begin+0x310/0x670 [ 1566.979548][ T10] addrconf_dad_work+0x10b/0xab0 [ 1566.979548][ T10] process_one_work+0x84d/0x18a0 [ 1566.979548][ T10] worker_thread+0x587/0xd30 [ 1566.979548][ T10] kthread+0x28a/0x350 [ 1566.979548][ T10] ret_from_fork+0x31/0x70 [ 1566.979548][ T10] ret_from_fork_asm+0x1a/0x30 [ 1566.979548][ T10] [ 1566.981505][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1566.981505][ T10] netdev_get_by_index+0x5e/0x80 [ 1566.981505][ T10] fib6_nh_init+0x3d8/0x1580 [ 1566.981505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1566.981505][ T10] ip6_route_add+0x1c/0x140 [ 1566.981505][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1566.981505][ T10] inet6_addr_add+0x4f8/0xa40 [ 1566.981505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1566.981505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1566.981505][ T10] netlink_rcv_skb+0x130/0x360 [ 1566.981505][ T10] netlink_unicast+0x449/0x710 [ 1566.981505][ T10] netlink_sendmsg+0x723/0xbe0 [ 1566.981505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1566.981505][ T10] ___sys_sendmsg+0xee/0x170 [ 1566.981505][ T10] __sys_sendmsg+0xcd/0x170 [ 1566.981505][ T10] do_syscall_64+0xc6/0x1e0 [ 1566.981505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1566.981505][ T10] [ 1566.983681][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1566.983681][ T10] netdev_get_by_index+0x5e/0x80 [ 1566.983681][ T10] fib6_nh_init+0x3d8/0x1580 [ 1566.983681][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1566.983681][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1566.983681][ T10] ipv6_add_addr+0x411/0x2000 [ 1566.983681][ T10] inet6_addr_add+0x30e/0xa40 [ 1566.983681][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1566.983681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1566.983681][ T10] netlink_rcv_skb+0x130/0x360 [ 1566.983681][ T10] netlink_unicast+0x449/0x710 [ 1566.983681][ T10] netlink_sendmsg+0x723/0xbe0 [ 1566.983681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1566.983681][ T10] ___sys_sendmsg+0xee/0x170 [ 1566.983681][ T10] __sys_sendmsg+0xcd/0x170 [ 1566.983681][ T10] do_syscall_64+0xc6/0x1e0 [ 1566.983681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1566.983681][ T10] [ 1566.985829][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1566.985829][ T10] netdev_get_by_index+0x5e/0x80 [ 1566.985829][ T10] fib6_nh_init+0x3d8/0x1580 [ 1566.985829][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1566.985829][ T10] ip6_route_add+0x1c/0x140 [ 1566.985829][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1566.985829][ T10] addrconf_add_dev+0xe2/0x170 [ 1566.985829][ T10] inet6_addr_add+0x12f/0xa40 [ 1566.985829][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1566.985829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1566.985829][ T10] netlink_rcv_skb+0x130/0x360 [ 1566.985829][ T10] netlink_unicast+0x449/0x710 [ 1566.985829][ T10] netlink_sendmsg+0x723/0xbe0 [ 1566.985829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1566.985829][ T10] ___sys_sendmsg+0xee/0x170 [ 1566.985829][ T10] __sys_sendmsg+0xcd/0x170 [ 1566.985829][ T10] do_syscall_64+0xc6/0x1e0 [ 1566.985829][ T10] [ 1566.987945][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1566.987945][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1566.987945][ T10] ipv6_find_idev+0x102/0x170 [ 1566.987945][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1566.987945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1566.987945][ T10] netlink_rcv_skb+0x130/0x360 [ 1566.987945][ T10] netlink_unicast+0x449/0x710 [ 1566.987945][ T10] netlink_sendmsg+0x723/0xbe0 [ 1566.987945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1566.987945][ T10] ___sys_sendmsg+0xee/0x170 [ 1566.987945][ T10] __sys_sendmsg+0xcd/0x170 [ 1566.987945][ T10] do_syscall_64+0xc6/0x1e0 [ 1566.987945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1566.987945][ T10] [ 1566.989629][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1566.989629][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1566.989629][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1566.989629][ T10] ipv6_find_idev+0x102/0x170 [ 1566.989629][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1566.989629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1566.989629][ T10] netlink_rcv_skb+0x130/0x360 [ 1566.989629][ T10] netlink_unicast+0x449/0x710 [ 1566.989629][ T10] netlink_sendmsg+0x723/0xbe0 [ 1566.989629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1566.989629][ T10] ___sys_sendmsg+0xee/0x170 [ 1566.989629][ T10] __sys_sendmsg+0xcd/0x170 [ 1566.989629][ T10] do_syscall_64+0xc6/0x1e0 [ 1566.989629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1566.989629][ T10] [ 1566.991406][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1566.991660][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1566.991660][ T10] netdev_get_by_index+0x5e/0x80 [ 1566.991660][ T10] fib6_nh_init+0x3d8/0x1580 [ 1566.991660][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1566.991660][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1566.991660][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1566.991660][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1566.991660][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1566.991660][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1566.991660][ T10] addrconf_dad_begin+0x310/0x670 [ 1566.991660][ T10] addrconf_dad_work+0x10b/0xab0 [ 1566.991660][ T10] process_one_work+0x84d/0x18a0 [ 1566.991660][ T10] worker_thread+0x587/0xd30 [ 1566.991660][ T10] kthread+0x28a/0x350 [ 1566.991660][ T10] ret_from_fork+0x31/0x70 [ 1566.991660][ T10] ret_from_fork_asm+0x1a/0x30 [ 1566.991660][ T10] [ 1566.993753][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1566.993753][ T10] netdev_get_by_index+0x5e/0x80 [ 1566.993753][ T10] fib6_nh_init+0x3d8/0x1580 [ 1566.993753][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1566.993753][ T10] ip6_route_add+0x1c/0x140 [ 1566.993753][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1566.993753][ T10] inet6_addr_add+0x4f8/0xa40 [ 1566.993753][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1566.993753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1566.993753][ T10] netlink_rcv_skb+0x130/0x360 [ 1566.993753][ T10] netlink_unicast+0x449/0x710 [ 1566.993753][ T10] netlink_sendmsg+0x723/0xbe0 [ 1566.993753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1566.993753][ T10] ___sys_sendmsg+0xee/0x170 [ 1566.993753][ T10] __sys_sendmsg+0xcd/0x170 [ 1566.993753][ T10] do_syscall_64+0xc6/0x1e0 [ 1566.993753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1566.993753][ T10] [ 1566.995913][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1566.995913][ T10] netdev_get_by_index+0x5e/0x80 [ 1566.995913][ T10] fib6_nh_init+0x3d8/0x1580 [ 1566.995913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1566.995913][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1566.995913][ T10] ipv6_add_addr+0x411/0x2000 [ 1566.995913][ T10] inet6_addr_add+0x30e/0xa40 [ 1566.995913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1566.995913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1566.995913][ T10] netlink_rcv_skb+0x130/0x360 [ 1566.995913][ T10] netlink_unicast+0x449/0x710 [ 1566.995913][ T10] netlink_sendmsg+0x723/0xbe0 [ 1566.995913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1566.995913][ T10] ___sys_sendmsg+0xee/0x170 [ 1566.995913][ T10] __sys_sendmsg+0xcd/0x170 [ 1566.995913][ T10] do_syscall_64+0xc6/0x1e0 [ 1566.995913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1566.995913][ T10] [ 1566.998077][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1566.998077][ T10] netdev_get_by_index+0x5e/0x80 [ 1566.998077][ T10] fib6_nh_init+0x3d8/0x1580 [ 1566.998077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1566.998077][ T10] ip6_route_add+0x1c/0x140 [ 1566.998077][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1566.998077][ T10] addrconf_add_dev+0xe2/0x170 [ 1566.998077][ T10] inet6_addr_add+0x12f/0xa40 [ 1566.998077][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1566.998077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1566.998077][ T10] netlink_rcv_skb+0x130/0x360 [ 1566.998077][ T10] netlink_unicast+0x449/0x710 [ 1566.998077][ T10] netlink_sendmsg+0x723/0xbe0 [ 1566.998077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1566.998077][ T10] ___sys_sendmsg+0xee/0x170 [ 1566.998077][ T10] __sys_sendmsg+0xcd/0x170 [ 1566.998077][ T10] do_syscall_64+0xc6/0x1e0 [ 1566.998077][ T10] [ 1567.000208][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1567.000208][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1567.000208][ T10] ipv6_find_idev+0x102/0x170 [ 1567.000208][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1567.000208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1567.000208][ T10] netlink_rcv_skb+0x130/0x360 [ 1567.000208][ T10] netlink_unicast+0x449/0x710 [ 1567.000208][ T10] netlink_sendmsg+0x723/0xbe0 [ 1567.000208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1567.000208][ T10] ___sys_sendmsg+0xee/0x170 [ 1567.000208][ T10] __sys_sendmsg+0xcd/0x170 [ 1567.000208][ T10] do_syscall_64+0xc6/0x1e0 [ 1567.000208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1567.000208][ T10] [ 1567.001842][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1567.001842][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1567.001842][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1567.001842][ T10] ipv6_find_idev+0x102/0x170 [ 1567.001842][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1567.001842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1567.001842][ T10] netlink_rcv_skb+0x130/0x360 [ 1567.001842][ T10] netlink_unicast+0x449/0x710 [ 1567.001842][ T10] netlink_sendmsg+0x723/0xbe0 [ 1567.001842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1567.001842][ T10] ___sys_sendmsg+0xee/0x170 [ 1567.001842][ T10] __sys_sendmsg+0xcd/0x170 [ 1567.001842][ T10] do_syscall_64+0xc6/0x1e0 [ 1567.001842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1567.001842][ T10] [ 1574.897103][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1574.897652][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1574.897652][ T1167] dst_init+0x84/0x4a0 [ 1574.897652][ T1167] dst_alloc+0x97/0x150 [ 1574.897652][ T1167] ip6_dst_alloc+0x23/0x90 [ 1574.897652][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1574.897652][ T1167] ip6_pol_route+0x56f/0x840 [ 1574.897652][ T1167] fib6_rule_lookup+0x334/0x630 [ 1574.897652][ T1167] ip6_route_output_flags+0x259/0x480 [ 1574.897652][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1574.897652][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1574.897652][ T1167] netlink_rcv_skb+0x130/0x360 [ 1574.897652][ T1167] netlink_unicast+0x449/0x710 [ 1574.897652][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1574.897652][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1574.897652][ T1167] ___sys_sendmsg+0xee/0x170 [ 1574.897652][ T1167] __sys_sendmsg+0xcd/0x170 [ 1574.897652][ T1167] do_syscall_64+0xc6/0x1e0 [ 1574.897652][ T1167] [ 1574.899900][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1574.899900][ T1167] netdev_get_by_index+0x5e/0x80 [ 1574.899900][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1574.899900][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1574.899900][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1574.899900][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1574.899900][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1574.899900][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1574.899900][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1574.899900][ T1167] addrconf_dad_begin+0x310/0x670 [ 1574.899900][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1574.899900][ T1167] process_one_work+0x84d/0x18a0 [ 1574.899900][ T1167] worker_thread+0x587/0xd30 [ 1574.899900][ T1167] kthread+0x28a/0x350 [ 1574.899900][ T1167] ret_from_fork+0x31/0x70 [ 1574.899900][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1574.899900][ T1167] [ 1574.902064][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1574.902064][ T1167] netdev_get_by_index+0x5e/0x80 [ 1574.902064][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1574.902064][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1574.902064][ T1167] ip6_route_add+0x1c/0x140 [ 1574.902064][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1574.902064][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1574.902064][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1574.902064][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.902064][ T1167] netlink_rcv_skb+0x130/0x360 [ 1574.902064][ T1167] netlink_unicast+0x449/0x710 [ 1574.902064][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1574.902064][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1574.902064][ T1167] ___sys_sendmsg+0xee/0x170 [ 1574.902064][ T1167] __sys_sendmsg+0xcd/0x170 [ 1574.902064][ T1167] do_syscall_64+0xc6/0x1e0 [ 1574.902064][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.902064][ T1167] [ 1574.904306][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1574.904306][ T1167] netdev_get_by_index+0x5e/0x80 [ 1574.904306][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1574.904306][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1574.904306][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1574.904306][ T1167] ipv6_add_addr+0x411/0x2000 [ 1574.904306][ T1167] inet6_addr_add+0x30e/0xa40 [ 1574.904306][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1574.904306][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.904306][ T1167] netlink_rcv_skb+0x130/0x360 [ 1574.904306][ T1167] netlink_unicast+0x449/0x710 [ 1574.904306][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1574.904306][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1574.904306][ T1167] ___sys_sendmsg+0xee/0x170 [ 1574.904306][ T1167] __sys_sendmsg+0xcd/0x170 [ 1574.904306][ T1167] do_syscall_64+0xc6/0x1e0 [ 1574.904306][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.904306][ T1167] [ 1574.906543][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1574.906543][ T1167] netdev_get_by_index+0x5e/0x80 [ 1574.906543][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1574.906543][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1574.906543][ T1167] ip6_route_add+0x1c/0x140 [ 1574.906543][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1574.906543][ T1167] addrconf_add_dev+0xe2/0x170 [ 1574.906543][ T1167] inet6_addr_add+0x12f/0xa40 [ 1574.906543][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1574.906543][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.906543][ T1167] netlink_rcv_skb+0x130/0x360 [ 1574.906543][ T1167] netlink_unicast+0x449/0x710 [ 1574.906543][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1574.906543][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1574.906543][ T1167] ___sys_sendmsg+0xee/0x170 [ 1574.906543][ T1167] __sys_sendmsg+0xcd/0x170 [ 1574.906543][ T1167] do_syscall_64+0xc6/0x1e0 [ 1574.906543][ T1167] [ 1574.908765][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1574.908765][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1574.908765][ T1167] ipv6_find_idev+0x102/0x170 [ 1574.908765][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1574.908765][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.908765][ T1167] netlink_rcv_skb+0x130/0x360 [ 1574.908765][ T1167] netlink_unicast+0x449/0x710 [ 1574.908765][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1574.908765][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1574.908765][ T1167] ___sys_sendmsg+0xee/0x170 [ 1574.908765][ T1167] __sys_sendmsg+0xcd/0x170 [ 1574.908765][ T1167] do_syscall_64+0xc6/0x1e0 [ 1574.908765][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.908765][ T1167] [ 1574.910539][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1574.910539][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1574.910539][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1574.910539][ T1167] ipv6_find_idev+0x102/0x170 [ 1574.910539][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1574.910539][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1574.910539][ T1167] netlink_rcv_skb+0x130/0x360 [ 1574.910539][ T1167] netlink_unicast+0x449/0x710 [ 1574.910539][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1574.910539][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1574.910539][ T1167] ___sys_sendmsg+0xee/0x170 [ 1574.910539][ T1167] __sys_sendmsg+0xcd/0x170 [ 1574.910539][ T1167] do_syscall_64+0xc6/0x1e0 [ 1574.910539][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1574.910539][ T1167] [ 1577.241077][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1577.241498][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1577.241498][ T10] netdev_get_by_index+0x5e/0x80 [ 1577.241498][ T10] fib6_nh_init+0x3d8/0x1580 [ 1577.241498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1577.241498][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1577.241498][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1577.241498][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1577.241498][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1577.241498][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1577.241498][ T10] addrconf_dad_begin+0x310/0x670 [ 1577.241498][ T10] addrconf_dad_work+0x10b/0xab0 [ 1577.241498][ T10] process_one_work+0x84d/0x18a0 [ 1577.241498][ T10] worker_thread+0x587/0xd30 [ 1577.241498][ T10] kthread+0x28a/0x350 [ 1577.241498][ T10] ret_from_fork+0x31/0x70 [ 1577.241498][ T10] ret_from_fork_asm+0x1a/0x30 [ 1577.241498][ T10] [ 1577.243482][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1577.243482][ T10] netdev_get_by_index+0x5e/0x80 [ 1577.243482][ T10] fib6_nh_init+0x3d8/0x1580 [ 1577.243482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1577.243482][ T10] ip6_route_add+0x1c/0x140 [ 1577.243482][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1577.243482][ T10] inet6_addr_add+0x4f8/0xa40 [ 1577.243482][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1577.243482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1577.243482][ T10] netlink_rcv_skb+0x130/0x360 [ 1577.243482][ T10] netlink_unicast+0x449/0x710 [ 1577.243482][ T10] netlink_sendmsg+0x723/0xbe0 [ 1577.243482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1577.243482][ T10] ___sys_sendmsg+0xee/0x170 [ 1577.243482][ T10] __sys_sendmsg+0xcd/0x170 [ 1577.243482][ T10] do_syscall_64+0xc6/0x1e0 [ 1577.243482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1577.243482][ T10] [ 1577.245583][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1577.245583][ T10] netdev_get_by_index+0x5e/0x80 [ 1577.245583][ T10] fib6_nh_init+0x3d8/0x1580 [ 1577.245583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1577.245583][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1577.245583][ T10] ipv6_add_addr+0x411/0x2000 [ 1577.245583][ T10] inet6_addr_add+0x30e/0xa40 [ 1577.245583][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1577.245583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1577.245583][ T10] netlink_rcv_skb+0x130/0x360 [ 1577.245583][ T10] netlink_unicast+0x449/0x710 [ 1577.245583][ T10] netlink_sendmsg+0x723/0xbe0 [ 1577.245583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1577.245583][ T10] ___sys_sendmsg+0xee/0x170 [ 1577.245583][ T10] __sys_sendmsg+0xcd/0x170 [ 1577.245583][ T10] do_syscall_64+0xc6/0x1e0 [ 1577.245583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1577.245583][ T10] [ 1577.248009][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1577.248009][ T10] netdev_get_by_index+0x5e/0x80 [ 1577.248009][ T10] fib6_nh_init+0x3d8/0x1580 [ 1577.248009][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1577.248009][ T10] ip6_route_add+0x1c/0x140 [ 1577.248009][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1577.248009][ T10] addrconf_add_dev+0xe2/0x170 [ 1577.248009][ T10] inet6_addr_add+0x12f/0xa40 [ 1577.248009][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1577.248009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1577.248009][ T10] netlink_rcv_skb+0x130/0x360 [ 1577.248009][ T10] netlink_unicast+0x449/0x710 [ 1577.248009][ T10] netlink_sendmsg+0x723/0xbe0 [ 1577.248009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1577.248009][ T10] ___sys_sendmsg+0xee/0x170 [ 1577.248009][ T10] __sys_sendmsg+0xcd/0x170 [ 1577.248009][ T10] do_syscall_64+0xc6/0x1e0 [ 1577.248009][ T10] [ 1577.250101][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1577.250101][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1577.250101][ T10] ipv6_find_idev+0x102/0x170 [ 1577.250101][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1577.250101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1577.250101][ T10] netlink_rcv_skb+0x130/0x360 [ 1577.250101][ T10] netlink_unicast+0x449/0x710 [ 1577.250101][ T10] netlink_sendmsg+0x723/0xbe0 [ 1577.250101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1577.250101][ T10] ___sys_sendmsg+0xee/0x170 [ 1577.250101][ T10] __sys_sendmsg+0xcd/0x170 [ 1577.250101][ T10] do_syscall_64+0xc6/0x1e0 [ 1577.250101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1577.250101][ T10] [ 1577.251785][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1577.251785][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1577.251785][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1577.251785][ T10] ipv6_find_idev+0x102/0x170 [ 1577.251785][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1577.251785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1577.251785][ T10] netlink_rcv_skb+0x130/0x360 [ 1577.251785][ T10] netlink_unicast+0x449/0x710 [ 1577.251785][ T10] netlink_sendmsg+0x723/0xbe0 [ 1577.251785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1577.251785][ T10] ___sys_sendmsg+0xee/0x170 [ 1577.251785][ T10] __sys_sendmsg+0xcd/0x170 [ 1577.251785][ T10] do_syscall_64+0xc6/0x1e0 [ 1577.251785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1577.251785][ T10] [ 1577.253624][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1577.253921][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1577.253921][ T10] netdev_get_by_index+0x5e/0x80 [ 1577.253921][ T10] fib6_nh_init+0x3d8/0x1580 [ 1577.253921][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1577.253921][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1577.253921][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1577.253921][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1577.253921][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1577.253921][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1577.253921][ T10] addrconf_dad_begin+0x310/0x670 [ 1577.253921][ T10] addrconf_dad_work+0x10b/0xab0 [ 1577.253921][ T10] process_one_work+0x84d/0x18a0 [ 1577.253921][ T10] worker_thread+0x587/0xd30 [ 1577.253921][ T10] kthread+0x28a/0x350 [ 1577.253921][ T10] ret_from_fork+0x31/0x70 [ 1577.253921][ T10] ret_from_fork_asm+0x1a/0x30 [ 1577.253921][ T10] [ 1577.256011][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1577.256011][ T10] netdev_get_by_index+0x5e/0x80 [ 1577.256011][ T10] fib6_nh_init+0x3d8/0x1580 [ 1577.256011][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1577.256011][ T10] ip6_route_add+0x1c/0x140 [ 1577.256011][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1577.256011][ T10] inet6_addr_add+0x4f8/0xa40 [ 1577.256011][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1577.256011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1577.256011][ T10] netlink_rcv_skb+0x130/0x360 [ 1577.256011][ T10] netlink_unicast+0x449/0x710 [ 1577.256011][ T10] netlink_sendmsg+0x723/0xbe0 [ 1577.256011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1577.256011][ T10] ___sys_sendmsg+0xee/0x170 [ 1577.256011][ T10] __sys_sendmsg+0xcd/0x170 [ 1577.256011][ T10] do_syscall_64+0xc6/0x1e0 [ 1577.256011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1577.256011][ T10] [ 1577.258591][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1577.258591][ T10] netdev_get_by_index+0x5e/0x80 [ 1577.258591][ T10] fib6_nh_init+0x3d8/0x1580 [ 1577.258591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1577.258591][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1577.258591][ T10] ipv6_add_addr+0x411/0x2000 [ 1577.258591][ T10] inet6_addr_add+0x30e/0xa40 [ 1577.258591][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1577.258591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1577.258591][ T10] netlink_rcv_skb+0x130/0x360 [ 1577.258591][ T10] netlink_unicast+0x449/0x710 [ 1577.258591][ T10] netlink_sendmsg+0x723/0xbe0 [ 1577.258591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1577.258591][ T10] ___sys_sendmsg+0xee/0x170 [ 1577.258591][ T10] __sys_sendmsg+0xcd/0x170 [ 1577.258591][ T10] do_syscall_64+0xc6/0x1e0 [ 1577.258591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1577.258591][ T10] [ 1577.260708][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1577.260708][ T10] netdev_get_by_index+0x5e/0x80 [ 1577.260708][ T10] fib6_nh_init+0x3d8/0x1580 [ 1577.260708][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1577.260708][ T10] ip6_route_add+0x1c/0x140 [ 1577.260708][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1577.260708][ T10] addrconf_add_dev+0xe2/0x170 [ 1577.260708][ T10] inet6_addr_add+0x12f/0xa40 [ 1577.260708][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1577.260708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1577.260708][ T10] netlink_rcv_skb+0x130/0x360 [ 1577.260708][ T10] netlink_unicast+0x449/0x710 [ 1577.260708][ T10] netlink_sendmsg+0x723/0xbe0 [ 1577.260708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1577.260708][ T10] ___sys_sendmsg+0xee/0x170 [ 1577.260708][ T10] __sys_sendmsg+0xcd/0x170 [ 1577.260708][ T10] do_syscall_64+0xc6/0x1e0 [ 1577.260708][ T10] [ 1577.262751][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1577.262751][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1577.262751][ T10] ipv6_find_idev+0x102/0x170 [ 1577.262751][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1577.262751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1577.262751][ T10] netlink_rcv_skb+0x130/0x360 [ 1577.262751][ T10] netlink_unicast+0x449/0x710 [ 1577.262751][ T10] netlink_sendmsg+0x723/0xbe0 [ 1577.262751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1577.262751][ T10] ___sys_sendmsg+0xee/0x170 [ 1577.262751][ T10] __sys_sendmsg+0xcd/0x170 [ 1577.262751][ T10] do_syscall_64+0xc6/0x1e0 [ 1577.262751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1577.262751][ T10] [ 1577.264334][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1577.264334][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1577.264334][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1577.264334][ T10] ipv6_find_idev+0x102/0x170 [ 1577.264334][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1577.264334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1577.264334][ T10] netlink_rcv_skb+0x130/0x360 [ 1577.264334][ T10] netlink_unicast+0x449/0x710 [ 1577.264334][ T10] netlink_sendmsg+0x723/0xbe0 [ 1577.264334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1577.264334][ T10] ___sys_sendmsg+0xee/0x170 [ 1577.264334][ T10] __sys_sendmsg+0xcd/0x170 [ 1577.264334][ T10] do_syscall_64+0xc6/0x1e0 [ 1577.264334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1577.264334][ T10] [ 1577.266110][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1577.266433][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1577.266433][ T10] netdev_get_by_index+0x5e/0x80 [ 1577.266433][ T10] fib6_nh_init+0x3d8/0x1580 [ 1577.266433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1577.266433][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1577.266433][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1577.266433][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1577.266433][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1577.266433][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1577.266433][ T10] addrconf_dad_begin+0x310/0x670 [ 1577.266433][ T10] addrconf_dad_work+0x10b/0xab0 [ 1577.266433][ T10] process_one_work+0x84d/0x18a0 [ 1577.266433][ T10] worker_thread+0x587/0xd30 [ 1577.266433][ T10] kthread+0x28a/0x350 [ 1577.266433][ T10] ret_from_fork+0x31/0x70 [ 1577.266433][ T10] ret_from_fork_asm+0x1a/0x30 [ 1577.266433][ T10] [ 1577.268492][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1577.268492][ T10] netdev_get_by_index+0x5e/0x80 [ 1577.268492][ T10] fib6_nh_init+0x3d8/0x1580 [ 1577.268492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1577.268492][ T10] ip6_route_add+0x1c/0x140 [ 1577.268492][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1577.268492][ T10] inet6_addr_add+0x4f8/0xa40 [ 1577.268492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1577.268492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1577.268492][ T10] netlink_rcv_skb+0x130/0x360 [ 1577.268492][ T10] netlink_unicast+0x449/0x710 [ 1577.268492][ T10] netlink_sendmsg+0x723/0xbe0 [ 1577.268492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1577.268492][ T10] ___sys_sendmsg+0xee/0x170 [ 1577.268492][ T10] __sys_sendmsg+0xcd/0x170 [ 1577.268492][ T10] do_syscall_64+0xc6/0x1e0 [ 1577.268492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1577.268492][ T10] [ 1577.270867][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1577.270867][ T10] netdev_get_by_index+0x5e/0x80 [ 1577.270867][ T10] fib6_nh_init+0x3d8/0x1580 [ 1577.270867][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1577.270867][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1577.270867][ T10] ipv6_add_addr+0x411/0x2000 [ 1577.270867][ T10] inet6_addr_add+0x30e/0xa40 [ 1577.270867][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1577.270867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1577.270867][ T10] netlink_rcv_skb+0x130/0x360 [ 1577.270867][ T10] netlink_unicast+0x449/0x710 [ 1577.270867][ T10] netlink_sendmsg+0x723/0xbe0 [ 1577.270867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1577.270867][ T10] ___sys_sendmsg+0xee/0x170 [ 1577.270867][ T10] __sys_sendmsg+0xcd/0x170 [ 1577.270867][ T10] do_syscall_64+0xc6/0x1e0 [ 1577.270867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1577.270867][ T10] [ 1577.273264][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1577.273264][ T10] netdev_get_by_index+0x5e/0x80 [ 1577.273264][ T10] fib6_nh_init+0x3d8/0x1580 [ 1577.273264][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1577.273264][ T10] ip6_route_add+0x1c/0x140 [ 1577.273264][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1577.273264][ T10] addrconf_add_dev+0xe2/0x170 [ 1577.273264][ T10] inet6_addr_add+0x12f/0xa40 [ 1577.273264][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1577.273264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1577.273264][ T10] netlink_rcv_skb+0x130/0x360 [ 1577.273264][ T10] netlink_unicast+0x449/0x710 [ 1577.273264][ T10] netlink_sendmsg+0x723/0xbe0 [ 1577.273264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1577.273264][ T10] ___sys_sendmsg+0xee/0x170 [ 1577.273264][ T10] __sys_sendmsg+0xcd/0x170 [ 1577.273264][ T10] do_syscall_64+0xc6/0x1e0 [ 1577.273264][ T10] [ 1577.275717][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1577.275717][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1577.275717][ T10] ipv6_find_idev+0x102/0x170 [ 1577.275717][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1577.275717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1577.275717][ T10] netlink_rcv_skb+0x130/0x360 [ 1577.275717][ T10] netlink_unicast+0x449/0x710 [ 1577.275717][ T10] netlink_sendmsg+0x723/0xbe0 [ 1577.275717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1577.275717][ T10] ___sys_sendmsg+0xee/0x170 [ 1577.275717][ T10] __sys_sendmsg+0xcd/0x170 [ 1577.275717][ T10] do_syscall_64+0xc6/0x1e0 [ 1577.275717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1577.275717][ T10] [ 1577.277597][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1577.277597][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1577.277597][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1577.277597][ T10] ipv6_find_idev+0x102/0x170 [ 1577.277597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1577.277597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1577.277597][ T10] netlink_rcv_skb+0x130/0x360 [ 1577.277597][ T10] netlink_unicast+0x449/0x710 [ 1577.277597][ T10] netlink_sendmsg+0x723/0xbe0 [ 1577.277597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1577.277597][ T10] ___sys_sendmsg+0xee/0x170 [ 1577.277597][ T10] __sys_sendmsg+0xcd/0x170 [ 1577.277597][ T10] do_syscall_64+0xc6/0x1e0 [ 1577.277597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1577.277597][ T10] [ 1577.279534][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1577.279781][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1577.279781][ T10] netdev_get_by_index+0x5e/0x80 [ 1577.279781][ T10] fib6_nh_init+0x3d8/0x1580 [ 1577.279781][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1577.279781][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1577.279781][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1577.279781][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1577.279781][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1577.279781][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1577.279781][ T10] addrconf_dad_begin+0x310/0x670 [ 1577.279781][ T10] addrconf_dad_work+0x10b/0xab0 [ 1577.279781][ T10] process_one_work+0x84d/0x18a0 [ 1577.279781][ T10] worker_thread+0x587/0xd30 [ 1577.279781][ T10] kthread+0x28a/0x350 [ 1577.279781][ T10] ret_from_fork+0x31/0x70 [ 1577.279781][ T10] ret_from_fork_asm+0x1a/0x30 [ 1577.279781][ T10] [ 1577.281980][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1577.281980][ T10] netdev_get_by_index+0x5e/0x80 [ 1577.281980][ T10] fib6_nh_init+0x3d8/0x1580 [ 1577.281980][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1577.281980][ T10] ip6_route_add+0x1c/0x140 [ 1577.281980][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1577.281980][ T10] inet6_addr_add+0x4f8/0xa40 [ 1577.281980][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1577.281980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1577.281980][ T10] netlink_rcv_skb+0x130/0x360 [ 1577.281980][ T10] netlink_unicast+0x449/0x710 [ 1577.281980][ T10] netlink_sendmsg+0x723/0xbe0 [ 1577.281980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1577.281980][ T10] ___sys_sendmsg+0xee/0x170 [ 1577.281980][ T10] __sys_sendmsg+0xcd/0x170 [ 1577.281980][ T10] do_syscall_64+0xc6/0x1e0 [ 1577.281980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1577.281980][ T10] [ 1577.284378][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1577.284378][ T10] netdev_get_by_index+0x5e/0x80 [ 1577.284378][ T10] fib6_nh_init+0x3d8/0x1580 [ 1577.284378][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1577.284378][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1577.284378][ T10] ipv6_add_addr+0x411/0x2000 [ 1577.284378][ T10] inet6_addr_add+0x30e/0xa40 [ 1577.284378][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1577.284378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1577.284378][ T10] netlink_rcv_skb+0x130/0x360 [ 1577.284378][ T10] netlink_unicast+0x449/0x710 [ 1577.284378][ T10] netlink_sendmsg+0x723/0xbe0 [ 1577.284378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1577.284378][ T10] ___sys_sendmsg+0xee/0x170 [ 1577.284378][ T10] __sys_sendmsg+0xcd/0x170 [ 1577.284378][ T10] do_syscall_64+0xc6/0x1e0 [ 1577.284378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1577.284378][ T10] [ 1577.286809][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1577.286809][ T10] netdev_get_by_index+0x5e/0x80 [ 1577.286809][ T10] fib6_nh_init+0x3d8/0x1580 [ 1577.286809][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1577.286809][ T10] ip6_route_add+0x1c/0x140 [ 1577.286809][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1577.286809][ T10] addrconf_add_dev+0xe2/0x170 [ 1577.286809][ T10] inet6_addr_add+0x12f/0xa40 [ 1577.286809][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1577.286809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1577.286809][ T10] netlink_rcv_skb+0x130/0x360 [ 1577.286809][ T10] netlink_unicast+0x449/0x710 [ 1577.286809][ T10] netlink_sendmsg+0x723/0xbe0 [ 1577.286809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1577.286809][ T10] ___sys_sendmsg+0xee/0x170 [ 1577.286809][ T10] __sys_sendmsg+0xcd/0x170 [ 1577.286809][ T10] do_syscall_64+0xc6/0x1e0 [ 1577.286809][ T10] [ 1577.289106][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1577.289106][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1577.289106][ T10] ipv6_find_idev+0x102/0x170 [ 1577.289106][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1577.289106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1577.289106][ T10] netlink_rcv_skb+0x130/0x360 [ 1577.289106][ T10] netlink_unicast+0x449/0x710 [ 1577.289106][ T10] netlink_sendmsg+0x723/0xbe0 [ 1577.289106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1577.289106][ T10] ___sys_sendmsg+0xee/0x170 [ 1577.289106][ T10] __sys_sendmsg+0xcd/0x170 [ 1577.289106][ T10] do_syscall_64+0xc6/0x1e0 [ 1577.289106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1577.289106][ T10] [ 1577.290981][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1577.290981][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1577.290981][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1577.290981][ T10] ipv6_find_idev+0x102/0x170 [ 1577.290981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1577.290981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1577.290981][ T10] netlink_rcv_skb+0x130/0x360 [ 1577.290981][ T10] netlink_unicast+0x449/0x710 [ 1577.290981][ T10] netlink_sendmsg+0x723/0xbe0 [ 1577.290981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1577.290981][ T10] ___sys_sendmsg+0xee/0x170 [ 1577.290981][ T10] __sys_sendmsg+0xcd/0x170 [ 1577.290981][ T10] do_syscall_64+0xc6/0x1e0 [ 1577.290981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1577.290981][ T10] [ 1585.153169][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1585.153718][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1585.153718][ T1167] dst_init+0x84/0x4a0 [ 1585.153718][ T1167] dst_alloc+0x97/0x150 [ 1585.153718][ T1167] ip6_dst_alloc+0x23/0x90 [ 1585.153718][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1585.153718][ T1167] ip6_pol_route+0x56f/0x840 [ 1585.153718][ T1167] fib6_rule_lookup+0x334/0x630 [ 1585.153718][ T1167] ip6_route_output_flags+0x259/0x480 [ 1585.153718][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1585.153718][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1585.153718][ T1167] netlink_rcv_skb+0x130/0x360 [ 1585.153718][ T1167] netlink_unicast+0x449/0x710 [ 1585.153718][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1585.153718][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1585.153718][ T1167] ___sys_sendmsg+0xee/0x170 [ 1585.153718][ T1167] __sys_sendmsg+0xcd/0x170 [ 1585.153718][ T1167] do_syscall_64+0xc6/0x1e0 [ 1585.153718][ T1167] [ 1585.155951][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1585.155951][ T1167] netdev_get_by_index+0x5e/0x80 [ 1585.155951][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1585.155951][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1585.155951][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1585.155951][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1585.155951][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1585.155951][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1585.155951][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1585.155951][ T1167] addrconf_dad_begin+0x310/0x670 [ 1585.155951][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1585.155951][ T1167] process_one_work+0x84d/0x18a0 [ 1585.155951][ T1167] worker_thread+0x587/0xd30 [ 1585.155951][ T1167] kthread+0x28a/0x350 [ 1585.155951][ T1167] ret_from_fork+0x31/0x70 [ 1585.155951][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1585.155951][ T1167] [ 1585.158154][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1585.158154][ T1167] netdev_get_by_index+0x5e/0x80 [ 1585.158154][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1585.158154][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1585.158154][ T1167] ip6_route_add+0x1c/0x140 [ 1585.158154][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1585.158154][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1585.158154][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1585.158154][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.158154][ T1167] netlink_rcv_skb+0x130/0x360 [ 1585.158154][ T1167] netlink_unicast+0x449/0x710 [ 1585.158154][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1585.158154][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1585.158154][ T1167] ___sys_sendmsg+0xee/0x170 [ 1585.158154][ T1167] __sys_sendmsg+0xcd/0x170 [ 1585.158154][ T1167] do_syscall_64+0xc6/0x1e0 [ 1585.158154][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.158154][ T1167] [ 1585.160448][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1585.160448][ T1167] netdev_get_by_index+0x5e/0x80 [ 1585.160448][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1585.160448][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1585.160448][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1585.160448][ T1167] ipv6_add_addr+0x411/0x2000 [ 1585.160448][ T1167] inet6_addr_add+0x30e/0xa40 [ 1585.160448][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1585.160448][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.160448][ T1167] netlink_rcv_skb+0x130/0x360 [ 1585.160448][ T1167] netlink_unicast+0x449/0x710 [ 1585.160448][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1585.160448][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1585.160448][ T1167] ___sys_sendmsg+0xee/0x170 [ 1585.160448][ T1167] __sys_sendmsg+0xcd/0x170 [ 1585.160448][ T1167] do_syscall_64+0xc6/0x1e0 [ 1585.160448][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.160448][ T1167] [ 1585.162716][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1585.162716][ T1167] netdev_get_by_index+0x5e/0x80 [ 1585.162716][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1585.162716][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1585.162716][ T1167] ip6_route_add+0x1c/0x140 [ 1585.162716][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1585.162716][ T1167] addrconf_add_dev+0xe2/0x170 [ 1585.162716][ T1167] inet6_addr_add+0x12f/0xa40 [ 1585.162716][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1585.162716][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.162716][ T1167] netlink_rcv_skb+0x130/0x360 [ 1585.162716][ T1167] netlink_unicast+0x449/0x710 [ 1585.162716][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1585.162716][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1585.162716][ T1167] ___sys_sendmsg+0xee/0x170 [ 1585.162716][ T1167] __sys_sendmsg+0xcd/0x170 [ 1585.162716][ T1167] do_syscall_64+0xc6/0x1e0 [ 1585.162716][ T1167] [ 1585.164923][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1585.164923][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1585.164923][ T1167] ipv6_find_idev+0x102/0x170 [ 1585.164923][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1585.164923][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.164923][ T1167] netlink_rcv_skb+0x130/0x360 [ 1585.164923][ T1167] netlink_unicast+0x449/0x710 [ 1585.164923][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1585.164923][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1585.164923][ T1167] ___sys_sendmsg+0xee/0x170 [ 1585.164923][ T1167] __sys_sendmsg+0xcd/0x170 [ 1585.164923][ T1167] do_syscall_64+0xc6/0x1e0 [ 1585.164923][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.164923][ T1167] [ 1585.166646][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1585.166646][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1585.166646][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1585.166646][ T1167] ipv6_find_idev+0x102/0x170 [ 1585.166646][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1585.166646][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.166646][ T1167] netlink_rcv_skb+0x130/0x360 [ 1585.166646][ T1167] netlink_unicast+0x449/0x710 [ 1585.166646][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1585.166646][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1585.166646][ T1167] ___sys_sendmsg+0xee/0x170 [ 1585.166646][ T1167] __sys_sendmsg+0xcd/0x170 [ 1585.166646][ T1167] do_syscall_64+0xc6/0x1e0 [ 1585.166646][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.166646][ T1167] [ 1587.337097][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1587.337585][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1587.337585][ T10] netdev_get_by_index+0x5e/0x80 [ 1587.337585][ T10] fib6_nh_init+0x3d8/0x1580 [ 1587.337585][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1587.337585][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1587.337585][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1587.337585][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1587.337585][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1587.337585][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1587.337585][ T10] addrconf_dad_begin+0x310/0x670 [ 1587.337585][ T10] addrconf_dad_work+0x10b/0xab0 [ 1587.337585][ T10] process_one_work+0x84d/0x18a0 [ 1587.337585][ T10] worker_thread+0x587/0xd30 [ 1587.337585][ T10] kthread+0x28a/0x350 [ 1587.337585][ T10] ret_from_fork+0x31/0x70 [ 1587.337585][ T10] ret_from_fork_asm+0x1a/0x30 [ 1587.337585][ T10] [ 1587.339830][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1587.339830][ T10] netdev_get_by_index+0x5e/0x80 [ 1587.339830][ T10] fib6_nh_init+0x3d8/0x1580 [ 1587.339830][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1587.339830][ T10] ip6_route_add+0x1c/0x140 [ 1587.339830][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1587.339830][ T10] inet6_addr_add+0x4f8/0xa40 [ 1587.339830][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1587.339830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1587.339830][ T10] netlink_rcv_skb+0x130/0x360 [ 1587.339830][ T10] netlink_unicast+0x449/0x710 [ 1587.339830][ T10] netlink_sendmsg+0x723/0xbe0 [ 1587.339830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1587.339830][ T10] ___sys_sendmsg+0xee/0x170 [ 1587.339830][ T10] __sys_sendmsg+0xcd/0x170 [ 1587.339830][ T10] do_syscall_64+0xc6/0x1e0 [ 1587.339830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1587.339830][ T10] [ 1587.341890][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1587.341890][ T10] netdev_get_by_index+0x5e/0x80 [ 1587.341890][ T10] fib6_nh_init+0x3d8/0x1580 [ 1587.341890][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1587.341890][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1587.341890][ T10] ipv6_add_addr+0x411/0x2000 [ 1587.341890][ T10] inet6_addr_add+0x30e/0xa40 [ 1587.341890][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1587.341890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1587.341890][ T10] netlink_rcv_skb+0x130/0x360 [ 1587.341890][ T10] netlink_unicast+0x449/0x710 [ 1587.341890][ T10] netlink_sendmsg+0x723/0xbe0 [ 1587.341890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1587.341890][ T10] ___sys_sendmsg+0xee/0x170 [ 1587.341890][ T10] __sys_sendmsg+0xcd/0x170 [ 1587.341890][ T10] do_syscall_64+0xc6/0x1e0 [ 1587.341890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1587.341890][ T10] [ 1587.343946][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1587.343946][ T10] netdev_get_by_index+0x5e/0x80 [ 1587.343946][ T10] fib6_nh_init+0x3d8/0x1580 [ 1587.343946][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1587.343946][ T10] ip6_route_add+0x1c/0x140 [ 1587.343946][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1587.343946][ T10] addrconf_add_dev+0xe2/0x170 [ 1587.343946][ T10] inet6_addr_add+0x12f/0xa40 [ 1587.343946][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1587.343946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1587.343946][ T10] netlink_rcv_skb+0x130/0x360 [ 1587.343946][ T10] netlink_unicast+0x449/0x710 [ 1587.343946][ T10] netlink_sendmsg+0x723/0xbe0 [ 1587.343946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1587.343946][ T10] ___sys_sendmsg+0xee/0x170 [ 1587.343946][ T10] __sys_sendmsg+0xcd/0x170 [ 1587.343946][ T10] do_syscall_64+0xc6/0x1e0 [ 1587.343946][ T10] [ 1587.345956][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1587.345956][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1587.345956][ T10] ipv6_find_idev+0x102/0x170 [ 1587.345956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1587.345956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1587.345956][ T10] netlink_rcv_skb+0x130/0x360 [ 1587.345956][ T10] netlink_unicast+0x449/0x710 [ 1587.345956][ T10] netlink_sendmsg+0x723/0xbe0 [ 1587.345956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1587.345956][ T10] ___sys_sendmsg+0xee/0x170 [ 1587.345956][ T10] __sys_sendmsg+0xcd/0x170 [ 1587.345956][ T10] do_syscall_64+0xc6/0x1e0 [ 1587.345956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1587.345956][ T10] [ 1587.347612][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1587.347612][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1587.347612][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1587.347612][ T10] ipv6_find_idev+0x102/0x170 [ 1587.347612][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1587.347612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1587.347612][ T10] netlink_rcv_skb+0x130/0x360 [ 1587.347612][ T10] netlink_unicast+0x449/0x710 [ 1587.347612][ T10] netlink_sendmsg+0x723/0xbe0 [ 1587.347612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1587.347612][ T10] ___sys_sendmsg+0xee/0x170 [ 1587.347612][ T10] __sys_sendmsg+0xcd/0x170 [ 1587.347612][ T10] do_syscall_64+0xc6/0x1e0 [ 1587.347612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1587.347612][ T10] [ 1587.349414][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1587.349680][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1587.349680][ T10] netdev_get_by_index+0x5e/0x80 [ 1587.349680][ T10] fib6_nh_init+0x3d8/0x1580 [ 1587.349680][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1587.349680][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1587.349680][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1587.349680][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1587.349680][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1587.349680][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1587.349680][ T10] addrconf_dad_begin+0x310/0x670 [ 1587.349680][ T10] addrconf_dad_work+0x10b/0xab0 [ 1587.349680][ T10] process_one_work+0x84d/0x18a0 [ 1587.349680][ T10] worker_thread+0x587/0xd30 [ 1587.349680][ T10] kthread+0x28a/0x350 [ 1587.349680][ T10] ret_from_fork+0x31/0x70 [ 1587.349680][ T10] ret_from_fork_asm+0x1a/0x30 [ 1587.349680][ T10] [ 1587.351740][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1587.351740][ T10] netdev_get_by_index+0x5e/0x80 [ 1587.351740][ T10] fib6_nh_init+0x3d8/0x1580 [ 1587.351740][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1587.351740][ T10] ip6_route_add+0x1c/0x140 [ 1587.351740][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1587.351740][ T10] inet6_addr_add+0x4f8/0xa40 [ 1587.351740][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1587.351740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1587.351740][ T10] netlink_rcv_skb+0x130/0x360 [ 1587.351740][ T10] netlink_unicast+0x449/0x710 [ 1587.351740][ T10] netlink_sendmsg+0x723/0xbe0 [ 1587.351740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1587.351740][ T10] ___sys_sendmsg+0xee/0x170 [ 1587.351740][ T10] __sys_sendmsg+0xcd/0x170 [ 1587.351740][ T10] do_syscall_64+0xc6/0x1e0 [ 1587.351740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1587.351740][ T10] [ 1587.353839][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1587.353839][ T10] netdev_get_by_index+0x5e/0x80 [ 1587.353839][ T10] fib6_nh_init+0x3d8/0x1580 [ 1587.353839][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1587.353839][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1587.353839][ T10] ipv6_add_addr+0x411/0x2000 [ 1587.353839][ T10] inet6_addr_add+0x30e/0xa40 [ 1587.353839][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1587.353839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1587.353839][ T10] netlink_rcv_skb+0x130/0x360 [ 1587.353839][ T10] netlink_unicast+0x449/0x710 [ 1587.353839][ T10] netlink_sendmsg+0x723/0xbe0 [ 1587.353839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1587.353839][ T10] ___sys_sendmsg+0xee/0x170 [ 1587.353839][ T10] __sys_sendmsg+0xcd/0x170 [ 1587.353839][ T10] do_syscall_64+0xc6/0x1e0 [ 1587.353839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1587.353839][ T10] [ 1587.356001][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1587.356001][ T10] netdev_get_by_index+0x5e/0x80 [ 1587.356001][ T10] fib6_nh_init+0x3d8/0x1580 [ 1587.356001][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1587.356001][ T10] ip6_route_add+0x1c/0x140 [ 1587.356001][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1587.356001][ T10] addrconf_add_dev+0xe2/0x170 [ 1587.356001][ T10] inet6_addr_add+0x12f/0xa40 [ 1587.356001][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1587.356001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1587.356001][ T10] netlink_rcv_skb+0x130/0x360 [ 1587.356001][ T10] netlink_unicast+0x449/0x710 [ 1587.356001][ T10] netlink_sendmsg+0x723/0xbe0 [ 1587.356001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1587.356001][ T10] ___sys_sendmsg+0xee/0x170 [ 1587.356001][ T10] __sys_sendmsg+0xcd/0x170 [ 1587.356001][ T10] do_syscall_64+0xc6/0x1e0 [ 1587.356001][ T10] [ 1587.358128][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1587.358128][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1587.358128][ T10] ipv6_find_idev+0x102/0x170 [ 1587.358128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1587.358128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1587.358128][ T10] netlink_rcv_skb+0x130/0x360 [ 1587.358128][ T10] netlink_unicast+0x449/0x710 [ 1587.358128][ T10] netlink_sendmsg+0x723/0xbe0 [ 1587.358128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1587.358128][ T10] ___sys_sendmsg+0xee/0x170 [ 1587.358128][ T10] __sys_sendmsg+0xcd/0x170 [ 1587.358128][ T10] do_syscall_64+0xc6/0x1e0 [ 1587.358128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1587.358128][ T10] [ 1587.359755][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1587.359755][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1587.359755][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1587.359755][ T10] ipv6_find_idev+0x102/0x170 [ 1587.359755][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1587.359755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1587.359755][ T10] netlink_rcv_skb+0x130/0x360 [ 1587.359755][ T10] netlink_unicast+0x449/0x710 [ 1587.359755][ T10] netlink_sendmsg+0x723/0xbe0 [ 1587.359755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1587.359755][ T10] ___sys_sendmsg+0xee/0x170 [ 1587.359755][ T10] __sys_sendmsg+0xcd/0x170 [ 1587.359755][ T10] do_syscall_64+0xc6/0x1e0 [ 1587.359755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1587.359755][ T10] [ 1587.361525][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1587.361782][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1587.361782][ T10] netdev_get_by_index+0x5e/0x80 [ 1587.361782][ T10] fib6_nh_init+0x3d8/0x1580 [ 1587.361782][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1587.361782][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1587.361782][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1587.361782][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1587.361782][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1587.361782][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1587.361782][ T10] addrconf_dad_begin+0x310/0x670 [ 1587.361782][ T10] addrconf_dad_work+0x10b/0xab0 [ 1587.361782][ T10] process_one_work+0x84d/0x18a0 [ 1587.361782][ T10] worker_thread+0x587/0xd30 [ 1587.361782][ T10] kthread+0x28a/0x350 [ 1587.361782][ T10] ret_from_fork+0x31/0x70 [ 1587.361782][ T10] ret_from_fork_asm+0x1a/0x30 [ 1587.361782][ T10] [ 1587.364134][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1587.364134][ T10] netdev_get_by_index+0x5e/0x80 [ 1587.364134][ T10] fib6_nh_init+0x3d8/0x1580 [ 1587.364134][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1587.364134][ T10] ip6_route_add+0x1c/0x140 [ 1587.364134][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1587.364134][ T10] inet6_addr_add+0x4f8/0xa40 [ 1587.364134][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1587.364134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1587.364134][ T10] netlink_rcv_skb+0x130/0x360 [ 1587.364134][ T10] netlink_unicast+0x449/0x710 [ 1587.364134][ T10] netlink_sendmsg+0x723/0xbe0 [ 1587.364134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1587.364134][ T10] ___sys_sendmsg+0xee/0x170 [ 1587.364134][ T10] __sys_sendmsg+0xcd/0x170 [ 1587.364134][ T10] do_syscall_64+0xc6/0x1e0 [ 1587.364134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1587.364134][ T10] [ 1587.366373][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1587.366373][ T10] netdev_get_by_index+0x5e/0x80 [ 1587.366373][ T10] fib6_nh_init+0x3d8/0x1580 [ 1587.366373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1587.366373][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1587.366373][ T10] ipv6_add_addr+0x411/0x2000 [ 1587.366373][ T10] inet6_addr_add+0x30e/0xa40 [ 1587.366373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1587.366373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1587.366373][ T10] netlink_rcv_skb+0x130/0x360 [ 1587.366373][ T10] netlink_unicast+0x449/0x710 [ 1587.366373][ T10] netlink_sendmsg+0x723/0xbe0 [ 1587.366373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1587.366373][ T10] ___sys_sendmsg+0xee/0x170 [ 1587.366373][ T10] __sys_sendmsg+0xcd/0x170 [ 1587.366373][ T10] do_syscall_64+0xc6/0x1e0 [ 1587.366373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1587.366373][ T10] [ 1587.368778][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1587.368778][ T10] netdev_get_by_index+0x5e/0x80 [ 1587.368778][ T10] fib6_nh_init+0x3d8/0x1580 [ 1587.368778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1587.368778][ T10] ip6_route_add+0x1c/0x140 [ 1587.368778][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1587.368778][ T10] addrconf_add_dev+0xe2/0x170 [ 1587.368778][ T10] inet6_addr_add+0x12f/0xa40 [ 1587.368778][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1587.368778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1587.368778][ T10] netlink_rcv_skb+0x130/0x360 [ 1587.368778][ T10] netlink_unicast+0x449/0x710 [ 1587.368778][ T10] netlink_sendmsg+0x723/0xbe0 [ 1587.368778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1587.368778][ T10] ___sys_sendmsg+0xee/0x170 [ 1587.368778][ T10] __sys_sendmsg+0xcd/0x170 [ 1587.368778][ T10] do_syscall_64+0xc6/0x1e0 [ 1587.368778][ T10] [ 1587.371127][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1587.371127][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1587.371127][ T10] ipv6_find_idev+0x102/0x170 [ 1587.371127][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1587.371127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1587.371127][ T10] netlink_rcv_skb+0x130/0x360 [ 1587.371127][ T10] netlink_unicast+0x449/0x710 [ 1587.371127][ T10] netlink_sendmsg+0x723/0xbe0 [ 1587.371127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1587.371127][ T10] ___sys_sendmsg+0xee/0x170 [ 1587.371127][ T10] __sys_sendmsg+0xcd/0x170 [ 1587.371127][ T10] do_syscall_64+0xc6/0x1e0 [ 1587.371127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1587.371127][ T10] [ 1587.372936][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1587.372936][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1587.372936][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1587.372936][ T10] ipv6_find_idev+0x102/0x170 [ 1587.372936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1587.372936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1587.372936][ T10] netlink_rcv_skb+0x130/0x360 [ 1587.372936][ T10] netlink_unicast+0x449/0x710 [ 1587.372936][ T10] netlink_sendmsg+0x723/0xbe0 [ 1587.372936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1587.372936][ T10] ___sys_sendmsg+0xee/0x170 [ 1587.372936][ T10] __sys_sendmsg+0xcd/0x170 [ 1587.372936][ T10] do_syscall_64+0xc6/0x1e0 [ 1587.372936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1587.372936][ T10] [ 1587.374957][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1587.375715][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1587.375715][ T10] netdev_get_by_index+0x5e/0x80 [ 1587.375715][ T10] fib6_nh_init+0x3d8/0x1580 [ 1587.375715][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1587.375715][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1587.375715][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1587.375715][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1587.375715][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1587.375715][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1587.375715][ T10] addrconf_dad_begin+0x310/0x670 [ 1587.375715][ T10] addrconf_dad_work+0x10b/0xab0 [ 1587.375715][ T10] process_one_work+0x84d/0x18a0 [ 1587.375715][ T10] worker_thread+0x587/0xd30 [ 1587.375715][ T10] kthread+0x28a/0x350 [ 1587.375715][ T10] ret_from_fork+0x31/0x70 [ 1587.375715][ T10] ret_from_fork_asm+0x1a/0x30 [ 1587.375715][ T10] [ 1587.377754][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1587.377754][ T10] netdev_get_by_index+0x5e/0x80 [ 1587.377754][ T10] fib6_nh_init+0x3d8/0x1580 [ 1587.377754][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1587.377754][ T10] ip6_route_add+0x1c/0x140 [ 1587.377754][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1587.377754][ T10] inet6_addr_add+0x4f8/0xa40 [ 1587.377754][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1587.377754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1587.377754][ T10] netlink_rcv_skb+0x130/0x360 [ 1587.377754][ T10] netlink_unicast+0x449/0x710 [ 1587.377754][ T10] netlink_sendmsg+0x723/0xbe0 [ 1587.377754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1587.377754][ T10] ___sys_sendmsg+0xee/0x170 [ 1587.377754][ T10] __sys_sendmsg+0xcd/0x170 [ 1587.377754][ T10] do_syscall_64+0xc6/0x1e0 [ 1587.377754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1587.377754][ T10] [ 1587.380012][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1587.380012][ T10] netdev_get_by_index+0x5e/0x80 [ 1587.380012][ T10] fib6_nh_init+0x3d8/0x1580 [ 1587.380012][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1587.380012][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1587.380012][ T10] ipv6_add_addr+0x411/0x2000 [ 1587.380012][ T10] inet6_addr_add+0x30e/0xa40 [ 1587.380012][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1587.380012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1587.380012][ T10] netlink_rcv_skb+0x130/0x360 [ 1587.380012][ T10] netlink_unicast+0x449/0x710 [ 1587.380012][ T10] netlink_sendmsg+0x723/0xbe0 [ 1587.380012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1587.380012][ T10] ___sys_sendmsg+0xee/0x170 [ 1587.380012][ T10] __sys_sendmsg+0xcd/0x170 [ 1587.380012][ T10] do_syscall_64+0xc6/0x1e0 [ 1587.380012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1587.380012][ T10] [ 1587.382512][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1587.382512][ T10] netdev_get_by_index+0x5e/0x80 [ 1587.382512][ T10] fib6_nh_init+0x3d8/0x1580 [ 1587.382512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1587.382512][ T10] ip6_route_add+0x1c/0x140 [ 1587.382512][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1587.382512][ T10] addrconf_add_dev+0xe2/0x170 [ 1587.382512][ T10] inet6_addr_add+0x12f/0xa40 [ 1587.382512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1587.382512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1587.382512][ T10] netlink_rcv_skb+0x130/0x360 [ 1587.382512][ T10] netlink_unicast+0x449/0x710 [ 1587.382512][ T10] netlink_sendmsg+0x723/0xbe0 [ 1587.382512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1587.382512][ T10] ___sys_sendmsg+0xee/0x170 [ 1587.382512][ T10] __sys_sendmsg+0xcd/0x170 [ 1587.382512][ T10] do_syscall_64+0xc6/0x1e0 [ 1587.382512][ T10] [ 1587.384687][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1587.384687][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1587.384687][ T10] ipv6_find_idev+0x102/0x170 [ 1587.384687][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1587.384687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1587.384687][ T10] netlink_rcv_skb+0x130/0x360 [ 1587.384687][ T10] netlink_unicast+0x449/0x710 [ 1587.384687][ T10] netlink_sendmsg+0x723/0xbe0 [ 1587.384687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1587.384687][ T10] ___sys_sendmsg+0xee/0x170 [ 1587.384687][ T10] __sys_sendmsg+0xcd/0x170 [ 1587.384687][ T10] do_syscall_64+0xc6/0x1e0 [ 1587.384687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1587.384687][ T10] [ 1587.386453][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1587.386453][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1587.386453][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1587.386453][ T10] ipv6_find_idev+0x102/0x170 [ 1587.386453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1587.386453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1587.386453][ T10] netlink_rcv_skb+0x130/0x360 [ 1587.386453][ T10] netlink_unicast+0x449/0x710 [ 1587.386453][ T10] netlink_sendmsg+0x723/0xbe0 [ 1587.386453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1587.386453][ T10] ___sys_sendmsg+0xee/0x170 [ 1587.386453][ T10] __sys_sendmsg+0xcd/0x170 [ 1587.386453][ T10] do_syscall_64+0xc6/0x1e0 [ 1587.386453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1587.386453][ T10] [ 1595.409080][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1595.409613][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1595.409613][ T1167] dst_init+0x84/0x4a0 [ 1595.409613][ T1167] dst_alloc+0x97/0x150 [ 1595.409613][ T1167] ip6_dst_alloc+0x23/0x90 [ 1595.409613][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1595.409613][ T1167] ip6_pol_route+0x56f/0x840 [ 1595.409613][ T1167] fib6_rule_lookup+0x334/0x630 [ 1595.409613][ T1167] ip6_route_output_flags+0x259/0x480 [ 1595.409613][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1595.409613][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1595.409613][ T1167] netlink_rcv_skb+0x130/0x360 [ 1595.409613][ T1167] netlink_unicast+0x449/0x710 [ 1595.409613][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1595.409613][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1595.409613][ T1167] ___sys_sendmsg+0xee/0x170 [ 1595.409613][ T1167] __sys_sendmsg+0xcd/0x170 [ 1595.409613][ T1167] do_syscall_64+0xc6/0x1e0 [ 1595.409613][ T1167] [ 1595.411856][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1595.411856][ T1167] netdev_get_by_index+0x5e/0x80 [ 1595.411856][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1595.411856][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1595.411856][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1595.411856][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1595.411856][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1595.411856][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1595.411856][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1595.411856][ T1167] addrconf_dad_begin+0x310/0x670 [ 1595.411856][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1595.411856][ T1167] process_one_work+0x84d/0x18a0 [ 1595.411856][ T1167] worker_thread+0x587/0xd30 [ 1595.411856][ T1167] kthread+0x28a/0x350 [ 1595.411856][ T1167] ret_from_fork+0x31/0x70 [ 1595.411856][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1595.411856][ T1167] [ 1595.414017][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1595.414017][ T1167] netdev_get_by_index+0x5e/0x80 [ 1595.414017][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1595.414017][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1595.414017][ T1167] ip6_route_add+0x1c/0x140 [ 1595.414017][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1595.414017][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1595.414017][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1595.414017][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.414017][ T1167] netlink_rcv_skb+0x130/0x360 [ 1595.414017][ T1167] netlink_unicast+0x449/0x710 [ 1595.414017][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1595.414017][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1595.414017][ T1167] ___sys_sendmsg+0xee/0x170 [ 1595.414017][ T1167] __sys_sendmsg+0xcd/0x170 [ 1595.414017][ T1167] do_syscall_64+0xc6/0x1e0 [ 1595.414017][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.414017][ T1167] [ 1595.416276][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1595.416276][ T1167] netdev_get_by_index+0x5e/0x80 [ 1595.416276][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1595.416276][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1595.416276][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1595.416276][ T1167] ipv6_add_addr+0x411/0x2000 [ 1595.416276][ T1167] inet6_addr_add+0x30e/0xa40 [ 1595.416276][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1595.416276][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.416276][ T1167] netlink_rcv_skb+0x130/0x360 [ 1595.416276][ T1167] netlink_unicast+0x449/0x710 [ 1595.416276][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1595.416276][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1595.416276][ T1167] ___sys_sendmsg+0xee/0x170 [ 1595.416276][ T1167] __sys_sendmsg+0xcd/0x170 [ 1595.416276][ T1167] do_syscall_64+0xc6/0x1e0 [ 1595.416276][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.416276][ T1167] [ 1595.418537][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1595.418537][ T1167] netdev_get_by_index+0x5e/0x80 [ 1595.418537][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1595.418537][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1595.418537][ T1167] ip6_route_add+0x1c/0x140 [ 1595.418537][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1595.418537][ T1167] addrconf_add_dev+0xe2/0x170 [ 1595.418537][ T1167] inet6_addr_add+0x12f/0xa40 [ 1595.418537][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1595.418537][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.418537][ T1167] netlink_rcv_skb+0x130/0x360 [ 1595.418537][ T1167] netlink_unicast+0x449/0x710 [ 1595.418537][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1595.418537][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1595.418537][ T1167] ___sys_sendmsg+0xee/0x170 [ 1595.418537][ T1167] __sys_sendmsg+0xcd/0x170 [ 1595.418537][ T1167] do_syscall_64+0xc6/0x1e0 [ 1595.418537][ T1167] [ 1595.420774][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1595.420774][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1595.420774][ T1167] ipv6_find_idev+0x102/0x170 [ 1595.420774][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1595.420774][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.420774][ T1167] netlink_rcv_skb+0x130/0x360 [ 1595.420774][ T1167] netlink_unicast+0x449/0x710 [ 1595.420774][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1595.420774][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1595.420774][ T1167] ___sys_sendmsg+0xee/0x170 [ 1595.420774][ T1167] __sys_sendmsg+0xcd/0x170 [ 1595.420774][ T1167] do_syscall_64+0xc6/0x1e0 [ 1595.420774][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.420774][ T1167] [ 1595.422615][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1595.422615][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1595.422615][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1595.422615][ T1167] ipv6_find_idev+0x102/0x170 [ 1595.422615][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1595.422615][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.422615][ T1167] netlink_rcv_skb+0x130/0x360 [ 1595.422615][ T1167] netlink_unicast+0x449/0x710 [ 1595.422615][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1595.422615][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1595.422615][ T1167] ___sys_sendmsg+0xee/0x170 [ 1595.422615][ T1167] __sys_sendmsg+0xcd/0x170 [ 1595.422615][ T1167] do_syscall_64+0xc6/0x1e0 [ 1595.422615][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.422615][ T1167] [ 1597.625115][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1597.625501][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1597.625501][ T10] netdev_get_by_index+0x5e/0x80 [ 1597.625501][ T10] fib6_nh_init+0x3d8/0x1580 [ 1597.625501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1597.625501][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1597.625501][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1597.625501][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1597.625501][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1597.625501][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1597.625501][ T10] addrconf_dad_begin+0x310/0x670 [ 1597.625501][ T10] addrconf_dad_work+0x10b/0xab0 [ 1597.625501][ T10] process_one_work+0x84d/0x18a0 [ 1597.625501][ T10] worker_thread+0x587/0xd30 [ 1597.625501][ T10] kthread+0x28a/0x350 [ 1597.625501][ T10] ret_from_fork+0x31/0x70 [ 1597.625501][ T10] ret_from_fork_asm+0x1a/0x30 [ 1597.625501][ T10] [ 1597.627468][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1597.627468][ T10] netdev_get_by_index+0x5e/0x80 [ 1597.627468][ T10] fib6_nh_init+0x3d8/0x1580 [ 1597.627468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1597.627468][ T10] ip6_route_add+0x1c/0x140 [ 1597.627468][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1597.627468][ T10] inet6_addr_add+0x4f8/0xa40 [ 1597.627468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1597.627468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1597.627468][ T10] netlink_rcv_skb+0x130/0x360 [ 1597.627468][ T10] netlink_unicast+0x449/0x710 [ 1597.627468][ T10] netlink_sendmsg+0x723/0xbe0 [ 1597.627468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1597.627468][ T10] ___sys_sendmsg+0xee/0x170 [ 1597.627468][ T10] __sys_sendmsg+0xcd/0x170 [ 1597.627468][ T10] do_syscall_64+0xc6/0x1e0 [ 1597.627468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1597.627468][ T10] [ 1597.629473][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1597.629473][ T10] netdev_get_by_index+0x5e/0x80 [ 1597.629473][ T10] fib6_nh_init+0x3d8/0x1580 [ 1597.629473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1597.629473][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1597.629473][ T10] ipv6_add_addr+0x411/0x2000 [ 1597.629473][ T10] inet6_addr_add+0x30e/0xa40 [ 1597.629473][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1597.629473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1597.629473][ T10] netlink_rcv_skb+0x130/0x360 [ 1597.629473][ T10] netlink_unicast+0x449/0x710 [ 1597.629473][ T10] netlink_sendmsg+0x723/0xbe0 [ 1597.629473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1597.629473][ T10] ___sys_sendmsg+0xee/0x170 [ 1597.629473][ T10] __sys_sendmsg+0xcd/0x170 [ 1597.629473][ T10] do_syscall_64+0xc6/0x1e0 [ 1597.629473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1597.629473][ T10] [ 1597.631464][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1597.631464][ T10] netdev_get_by_index+0x5e/0x80 [ 1597.631464][ T10] fib6_nh_init+0x3d8/0x1580 [ 1597.631464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1597.631464][ T10] ip6_route_add+0x1c/0x140 [ 1597.631464][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1597.631464][ T10] addrconf_add_dev+0xe2/0x170 [ 1597.631464][ T10] inet6_addr_add+0x12f/0xa40 [ 1597.631464][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1597.631464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1597.631464][ T10] netlink_rcv_skb+0x130/0x360 [ 1597.631464][ T10] netlink_unicast+0x449/0x710 [ 1597.631464][ T10] netlink_sendmsg+0x723/0xbe0 [ 1597.631464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1597.631464][ T10] ___sys_sendmsg+0xee/0x170 [ 1597.631464][ T10] __sys_sendmsg+0xcd/0x170 [ 1597.631464][ T10] do_syscall_64+0xc6/0x1e0 [ 1597.631464][ T10] [ 1597.633418][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1597.633418][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1597.633418][ T10] ipv6_find_idev+0x102/0x170 [ 1597.633418][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1597.633418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1597.633418][ T10] netlink_rcv_skb+0x130/0x360 [ 1597.633418][ T10] netlink_unicast+0x449/0x710 [ 1597.633418][ T10] netlink_sendmsg+0x723/0xbe0 [ 1597.633418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1597.633418][ T10] ___sys_sendmsg+0xee/0x170 [ 1597.633418][ T10] __sys_sendmsg+0xcd/0x170 [ 1597.633418][ T10] do_syscall_64+0xc6/0x1e0 [ 1597.633418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1597.633418][ T10] [ 1597.634966][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1597.634966][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1597.634966][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1597.634966][ T10] ipv6_find_idev+0x102/0x170 [ 1597.634966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1597.634966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1597.634966][ T10] netlink_rcv_skb+0x130/0x360 [ 1597.634966][ T10] netlink_unicast+0x449/0x710 [ 1597.634966][ T10] netlink_sendmsg+0x723/0xbe0 [ 1597.634966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1597.634966][ T10] ___sys_sendmsg+0xee/0x170 [ 1597.634966][ T10] __sys_sendmsg+0xcd/0x170 [ 1597.634966][ T10] do_syscall_64+0xc6/0x1e0 [ 1597.634966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1597.634966][ T10] [ 1597.636658][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1597.637006][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1597.637006][ T10] netdev_get_by_index+0x5e/0x80 [ 1597.637006][ T10] fib6_nh_init+0x3d8/0x1580 [ 1597.637006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1597.637006][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1597.637006][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1597.637006][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1597.637006][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1597.637006][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1597.637006][ T10] addrconf_dad_begin+0x310/0x670 [ 1597.637006][ T10] addrconf_dad_work+0x10b/0xab0 [ 1597.637006][ T10] process_one_work+0x84d/0x18a0 [ 1597.637006][ T10] worker_thread+0x587/0xd30 [ 1597.637006][ T10] kthread+0x28a/0x350 [ 1597.637006][ T10] ret_from_fork+0x31/0x70 [ 1597.637006][ T10] ret_from_fork_asm+0x1a/0x30 [ 1597.637006][ T10] [ 1597.638916][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1597.638916][ T10] netdev_get_by_index+0x5e/0x80 [ 1597.638916][ T10] fib6_nh_init+0x3d8/0x1580 [ 1597.638916][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1597.638916][ T10] ip6_route_add+0x1c/0x140 [ 1597.638916][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1597.638916][ T10] inet6_addr_add+0x4f8/0xa40 [ 1597.638916][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1597.638916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1597.638916][ T10] netlink_rcv_skb+0x130/0x360 [ 1597.638916][ T10] netlink_unicast+0x449/0x710 [ 1597.638916][ T10] netlink_sendmsg+0x723/0xbe0 [ 1597.638916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1597.638916][ T10] ___sys_sendmsg+0xee/0x170 [ 1597.638916][ T10] __sys_sendmsg+0xcd/0x170 [ 1597.638916][ T10] do_syscall_64+0xc6/0x1e0 [ 1597.638916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1597.638916][ T10] [ 1597.640919][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1597.640919][ T10] netdev_get_by_index+0x5e/0x80 [ 1597.640919][ T10] fib6_nh_init+0x3d8/0x1580 [ 1597.640919][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1597.640919][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1597.640919][ T10] ipv6_add_addr+0x411/0x2000 [ 1597.640919][ T10] inet6_addr_add+0x30e/0xa40 [ 1597.640919][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1597.640919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1597.640919][ T10] netlink_rcv_skb+0x130/0x360 [ 1597.640919][ T10] netlink_unicast+0x449/0x710 [ 1597.640919][ T10] netlink_sendmsg+0x723/0xbe0 [ 1597.640919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1597.640919][ T10] ___sys_sendmsg+0xee/0x170 [ 1597.640919][ T10] __sys_sendmsg+0xcd/0x170 [ 1597.640919][ T10] do_syscall_64+0xc6/0x1e0 [ 1597.640919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1597.640919][ T10] [ 1597.642909][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1597.642909][ T10] netdev_get_by_index+0x5e/0x80 [ 1597.642909][ T10] fib6_nh_init+0x3d8/0x1580 [ 1597.642909][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1597.642909][ T10] ip6_route_add+0x1c/0x140 [ 1597.642909][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1597.642909][ T10] addrconf_add_dev+0xe2/0x170 [ 1597.642909][ T10] inet6_addr_add+0x12f/0xa40 [ 1597.642909][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1597.642909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1597.642909][ T10] netlink_rcv_skb+0x130/0x360 [ 1597.642909][ T10] netlink_unicast+0x449/0x710 [ 1597.642909][ T10] netlink_sendmsg+0x723/0xbe0 [ 1597.642909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1597.642909][ T10] ___sys_sendmsg+0xee/0x170 [ 1597.642909][ T10] __sys_sendmsg+0xcd/0x170 [ 1597.642909][ T10] do_syscall_64+0xc6/0x1e0 [ 1597.642909][ T10] [ 1597.644886][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1597.644886][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1597.644886][ T10] ipv6_find_idev+0x102/0x170 [ 1597.644886][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1597.644886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1597.644886][ T10] netlink_rcv_skb+0x130/0x360 [ 1597.644886][ T10] netlink_unicast+0x449/0x710 [ 1597.644886][ T10] netlink_sendmsg+0x723/0xbe0 [ 1597.644886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1597.644886][ T10] ___sys_sendmsg+0xee/0x170 [ 1597.644886][ T10] __sys_sendmsg+0xcd/0x170 [ 1597.644886][ T10] do_syscall_64+0xc6/0x1e0 [ 1597.644886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1597.644886][ T10] [ 1597.646418][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1597.646418][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1597.646418][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1597.646418][ T10] ipv6_find_idev+0x102/0x170 [ 1597.646418][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1597.646418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1597.646418][ T10] netlink_rcv_skb+0x130/0x360 [ 1597.646418][ T10] netlink_unicast+0x449/0x710 [ 1597.646418][ T10] netlink_sendmsg+0x723/0xbe0 [ 1597.646418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1597.646418][ T10] ___sys_sendmsg+0xee/0x170 [ 1597.646418][ T10] __sys_sendmsg+0xcd/0x170 [ 1597.646418][ T10] do_syscall_64+0xc6/0x1e0 [ 1597.646418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1597.646418][ T10] [ 1597.648099][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1597.648356][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1597.648356][ T10] netdev_get_by_index+0x5e/0x80 [ 1597.648356][ T10] fib6_nh_init+0x3d8/0x1580 [ 1597.648356][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1597.648356][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1597.648356][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1597.648356][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1597.648356][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1597.648356][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1597.648356][ T10] addrconf_dad_begin+0x310/0x670 [ 1597.648356][ T10] addrconf_dad_work+0x10b/0xab0 [ 1597.648356][ T10] process_one_work+0x84d/0x18a0 [ 1597.648356][ T10] worker_thread+0x587/0xd30 [ 1597.648356][ T10] kthread+0x28a/0x350 [ 1597.648356][ T10] ret_from_fork+0x31/0x70 [ 1597.648356][ T10] ret_from_fork_asm+0x1a/0x30 [ 1597.648356][ T10] [ 1597.650253][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1597.650253][ T10] netdev_get_by_index+0x5e/0x80 [ 1597.650253][ T10] fib6_nh_init+0x3d8/0x1580 [ 1597.650253][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1597.650253][ T10] ip6_route_add+0x1c/0x140 [ 1597.650253][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1597.650253][ T10] inet6_addr_add+0x4f8/0xa40 [ 1597.650253][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1597.650253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1597.650253][ T10] netlink_rcv_skb+0x130/0x360 [ 1597.650253][ T10] netlink_unicast+0x449/0x710 [ 1597.650253][ T10] netlink_sendmsg+0x723/0xbe0 [ 1597.650253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1597.650253][ T10] ___sys_sendmsg+0xee/0x170 [ 1597.650253][ T10] __sys_sendmsg+0xcd/0x170 [ 1597.650253][ T10] do_syscall_64+0xc6/0x1e0 [ 1597.650253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1597.650253][ T10] [ 1597.652992][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1597.652992][ T10] netdev_get_by_index+0x5e/0x80 [ 1597.652992][ T10] fib6_nh_init+0x3d8/0x1580 [ 1597.652992][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1597.652992][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1597.652992][ T10] ipv6_add_addr+0x411/0x2000 [ 1597.652992][ T10] inet6_addr_add+0x30e/0xa40 [ 1597.652992][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1597.652992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1597.652992][ T10] netlink_rcv_skb+0x130/0x360 [ 1597.652992][ T10] netlink_unicast+0x449/0x710 [ 1597.652992][ T10] netlink_sendmsg+0x723/0xbe0 [ 1597.652992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1597.652992][ T10] ___sys_sendmsg+0xee/0x170 [ 1597.652992][ T10] __sys_sendmsg+0xcd/0x170 [ 1597.652992][ T10] do_syscall_64+0xc6/0x1e0 [ 1597.652992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1597.652992][ T10] [ 1597.655117][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1597.655117][ T10] netdev_get_by_index+0x5e/0x80 [ 1597.655117][ T10] fib6_nh_init+0x3d8/0x1580 [ 1597.655117][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1597.655117][ T10] ip6_route_add+0x1c/0x140 [ 1597.655117][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1597.655117][ T10] addrconf_add_dev+0xe2/0x170 [ 1597.655117][ T10] inet6_addr_add+0x12f/0xa40 [ 1597.655117][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1597.655117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1597.655117][ T10] netlink_rcv_skb+0x130/0x360 [ 1597.655117][ T10] netlink_unicast+0x449/0x710 [ 1597.655117][ T10] netlink_sendmsg+0x723/0xbe0 [ 1597.655117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1597.655117][ T10] ___sys_sendmsg+0xee/0x170 [ 1597.655117][ T10] __sys_sendmsg+0xcd/0x170 [ 1597.655117][ T10] do_syscall_64+0xc6/0x1e0 [ 1597.655117][ T10] [ 1597.657143][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1597.657143][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1597.657143][ T10] ipv6_find_idev+0x102/0x170 [ 1597.657143][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1597.657143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1597.657143][ T10] netlink_rcv_skb+0x130/0x360 [ 1597.657143][ T10] netlink_unicast+0x449/0x710 [ 1597.657143][ T10] netlink_sendmsg+0x723/0xbe0 [ 1597.657143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1597.657143][ T10] ___sys_sendmsg+0xee/0x170 [ 1597.657143][ T10] __sys_sendmsg+0xcd/0x170 [ 1597.657143][ T10] do_syscall_64+0xc6/0x1e0 [ 1597.657143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1597.657143][ T10] [ 1597.658798][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1597.658798][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1597.658798][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1597.658798][ T10] ipv6_find_idev+0x102/0x170 [ 1597.658798][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1597.658798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1597.658798][ T10] netlink_rcv_skb+0x130/0x360 [ 1597.658798][ T10] netlink_unicast+0x449/0x710 [ 1597.658798][ T10] netlink_sendmsg+0x723/0xbe0 [ 1597.658798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1597.658798][ T10] ___sys_sendmsg+0xee/0x170 [ 1597.658798][ T10] __sys_sendmsg+0xcd/0x170 [ 1597.658798][ T10] do_syscall_64+0xc6/0x1e0 [ 1597.658798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1597.658798][ T10] [ 1597.660611][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1597.660862][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1597.660862][ T10] netdev_get_by_index+0x5e/0x80 [ 1597.660862][ T10] fib6_nh_init+0x3d8/0x1580 [ 1597.660862][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1597.660862][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1597.660862][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1597.660862][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1597.660862][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1597.660862][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1597.660862][ T10] addrconf_dad_begin+0x310/0x670 [ 1597.660862][ T10] addrconf_dad_work+0x10b/0xab0 [ 1597.660862][ T10] process_one_work+0x84d/0x18a0 [ 1597.660862][ T10] worker_thread+0x587/0xd30 [ 1597.660862][ T10] kthread+0x28a/0x350 [ 1597.660862][ T10] ret_from_fork+0x31/0x70 [ 1597.660862][ T10] ret_from_fork_asm+0x1a/0x30 [ 1597.660862][ T10] [ 1597.662903][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1597.662903][ T10] netdev_get_by_index+0x5e/0x80 [ 1597.662903][ T10] fib6_nh_init+0x3d8/0x1580 [ 1597.662903][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1597.662903][ T10] ip6_route_add+0x1c/0x140 [ 1597.662903][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1597.662903][ T10] inet6_addr_add+0x4f8/0xa40 [ 1597.662903][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1597.662903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1597.662903][ T10] netlink_rcv_skb+0x130/0x360 [ 1597.662903][ T10] netlink_unicast+0x449/0x710 [ 1597.662903][ T10] netlink_sendmsg+0x723/0xbe0 [ 1597.662903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1597.662903][ T10] ___sys_sendmsg+0xee/0x170 [ 1597.662903][ T10] __sys_sendmsg+0xcd/0x170 [ 1597.662903][ T10] do_syscall_64+0xc6/0x1e0 [ 1597.662903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1597.662903][ T10] [ 1597.664962][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1597.664962][ T10] netdev_get_by_index+0x5e/0x80 [ 1597.664962][ T10] fib6_nh_init+0x3d8/0x1580 [ 1597.664962][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1597.664962][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1597.664962][ T10] ipv6_add_addr+0x411/0x2000 [ 1597.664962][ T10] inet6_addr_add+0x30e/0xa40 [ 1597.664962][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1597.664962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1597.664962][ T10] netlink_rcv_skb+0x130/0x360 [ 1597.664962][ T10] netlink_unicast+0x449/0x710 [ 1597.664962][ T10] netlink_sendmsg+0x723/0xbe0 [ 1597.664962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1597.664962][ T10] ___sys_sendmsg+0xee/0x170 [ 1597.664962][ T10] __sys_sendmsg+0xcd/0x170 [ 1597.664962][ T10] do_syscall_64+0xc6/0x1e0 [ 1597.664962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1597.664962][ T10] [ 1597.667091][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1597.667091][ T10] netdev_get_by_index+0x5e/0x80 [ 1597.667091][ T10] fib6_nh_init+0x3d8/0x1580 [ 1597.667091][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1597.667091][ T10] ip6_route_add+0x1c/0x140 [ 1597.667091][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1597.667091][ T10] addrconf_add_dev+0xe2/0x170 [ 1597.667091][ T10] inet6_addr_add+0x12f/0xa40 [ 1597.667091][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1597.667091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1597.667091][ T10] netlink_rcv_skb+0x130/0x360 [ 1597.667091][ T10] netlink_unicast+0x449/0x710 [ 1597.667091][ T10] netlink_sendmsg+0x723/0xbe0 [ 1597.667091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1597.667091][ T10] ___sys_sendmsg+0xee/0x170 [ 1597.667091][ T10] __sys_sendmsg+0xcd/0x170 [ 1597.667091][ T10] do_syscall_64+0xc6/0x1e0 [ 1597.667091][ T10] [ 1597.669183][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1597.669183][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1597.669183][ T10] ipv6_find_idev+0x102/0x170 [ 1597.669183][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1597.669183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1597.669183][ T10] netlink_rcv_skb+0x130/0x360 [ 1597.669183][ T10] netlink_unicast+0x449/0x710 [ 1597.669183][ T10] netlink_sendmsg+0x723/0xbe0 [ 1597.669183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1597.669183][ T10] ___sys_sendmsg+0xee/0x170 [ 1597.669183][ T10] __sys_sendmsg+0xcd/0x170 [ 1597.669183][ T10] do_syscall_64+0xc6/0x1e0 [ 1597.669183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1597.669183][ T10] [ 1597.670860][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1597.670860][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1597.670860][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1597.670860][ T10] ipv6_find_idev+0x102/0x170 [ 1597.670860][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1597.670860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1597.670860][ T10] netlink_rcv_skb+0x130/0x360 [ 1597.670860][ T10] netlink_unicast+0x449/0x710 [ 1597.670860][ T10] netlink_sendmsg+0x723/0xbe0 [ 1597.670860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1597.670860][ T10] ___sys_sendmsg+0xee/0x170 [ 1597.670860][ T10] __sys_sendmsg+0xcd/0x170 [ 1597.670860][ T10] do_syscall_64+0xc6/0x1e0 [ 1597.670860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1597.670860][ T10] [ 1605.665161][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1605.665846][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1605.665846][ T1167] dst_init+0x84/0x4a0 [ 1605.665846][ T1167] dst_alloc+0x97/0x150 [ 1605.665846][ T1167] ip6_dst_alloc+0x23/0x90 [ 1605.665846][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1605.665846][ T1167] ip6_pol_route+0x56f/0x840 [ 1605.665846][ T1167] fib6_rule_lookup+0x334/0x630 [ 1605.665846][ T1167] ip6_route_output_flags+0x259/0x480 [ 1605.665846][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1605.665846][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1605.665846][ T1167] netlink_rcv_skb+0x130/0x360 [ 1605.665846][ T1167] netlink_unicast+0x449/0x710 [ 1605.665846][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1605.665846][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1605.665846][ T1167] ___sys_sendmsg+0xee/0x170 [ 1605.665846][ T1167] __sys_sendmsg+0xcd/0x170 [ 1605.665846][ T1167] do_syscall_64+0xc6/0x1e0 [ 1605.665846][ T1167] [ 1605.668168][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1605.668168][ T1167] netdev_get_by_index+0x5e/0x80 [ 1605.668168][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1605.668168][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1605.668168][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1605.668168][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1605.668168][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1605.668168][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1605.668168][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1605.668168][ T1167] addrconf_dad_begin+0x310/0x670 [ 1605.668168][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1605.668168][ T1167] process_one_work+0x84d/0x18a0 [ 1605.668168][ T1167] worker_thread+0x587/0xd30 [ 1605.668168][ T1167] kthread+0x28a/0x350 [ 1605.668168][ T1167] ret_from_fork+0x31/0x70 [ 1605.668168][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1605.668168][ T1167] [ 1605.670407][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1605.670407][ T1167] netdev_get_by_index+0x5e/0x80 [ 1605.670407][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1605.670407][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1605.670407][ T1167] ip6_route_add+0x1c/0x140 [ 1605.670407][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1605.670407][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1605.670407][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1605.670407][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.670407][ T1167] netlink_rcv_skb+0x130/0x360 [ 1605.670407][ T1167] netlink_unicast+0x449/0x710 [ 1605.670407][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1605.670407][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1605.670407][ T1167] ___sys_sendmsg+0xee/0x170 [ 1605.670407][ T1167] __sys_sendmsg+0xcd/0x170 [ 1605.670407][ T1167] do_syscall_64+0xc6/0x1e0 [ 1605.670407][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1605.670407][ T1167] [ 1605.673143][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1605.673143][ T1167] netdev_get_by_index+0x5e/0x80 [ 1605.673143][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1605.673143][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1605.673143][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1605.673143][ T1167] ipv6_add_addr+0x411/0x2000 [ 1605.673143][ T1167] inet6_addr_add+0x30e/0xa40 [ 1605.673143][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1605.673143][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.673143][ T1167] netlink_rcv_skb+0x130/0x360 [ 1605.673143][ T1167] netlink_unicast+0x449/0x710 [ 1605.673143][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1605.673143][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1605.673143][ T1167] ___sys_sendmsg+0xee/0x170 [ 1605.673143][ T1167] __sys_sendmsg+0xcd/0x170 [ 1605.673143][ T1167] do_syscall_64+0xc6/0x1e0 [ 1605.673143][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1605.673143][ T1167] [ 1605.675456][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1605.675456][ T1167] netdev_get_by_index+0x5e/0x80 [ 1605.675456][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1605.675456][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1605.675456][ T1167] ip6_route_add+0x1c/0x140 [ 1605.675456][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1605.675456][ T1167] addrconf_add_dev+0xe2/0x170 [ 1605.675456][ T1167] inet6_addr_add+0x12f/0xa40 [ 1605.675456][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1605.675456][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.675456][ T1167] netlink_rcv_skb+0x130/0x360 [ 1605.675456][ T1167] netlink_unicast+0x449/0x710 [ 1605.675456][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1605.675456][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1605.675456][ T1167] ___sys_sendmsg+0xee/0x170 [ 1605.675456][ T1167] __sys_sendmsg+0xcd/0x170 [ 1605.675456][ T1167] do_syscall_64+0xc6/0x1e0 [ 1605.675456][ T1167] [ 1605.677696][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1605.677696][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1605.677696][ T1167] ipv6_find_idev+0x102/0x170 [ 1605.677696][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1605.677696][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.677696][ T1167] netlink_rcv_skb+0x130/0x360 [ 1605.677696][ T1167] netlink_unicast+0x449/0x710 [ 1605.677696][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1605.677696][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1605.677696][ T1167] ___sys_sendmsg+0xee/0x170 [ 1605.677696][ T1167] __sys_sendmsg+0xcd/0x170 [ 1605.677696][ T1167] do_syscall_64+0xc6/0x1e0 [ 1605.677696][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1605.677696][ T1167] [ 1605.679456][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1605.679456][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1605.679456][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1605.679456][ T1167] ipv6_find_idev+0x102/0x170 [ 1605.679456][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1605.679456][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1605.679456][ T1167] netlink_rcv_skb+0x130/0x360 [ 1605.679456][ T1167] netlink_unicast+0x449/0x710 [ 1605.679456][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1605.679456][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1605.679456][ T1167] ___sys_sendmsg+0xee/0x170 [ 1605.679456][ T1167] __sys_sendmsg+0xcd/0x170 [ 1605.679456][ T1167] do_syscall_64+0xc6/0x1e0 [ 1605.679456][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1605.679456][ T1167] [ 1607.873057][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1607.873486][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1607.873486][ T10] netdev_get_by_index+0x5e/0x80 [ 1607.873486][ T10] fib6_nh_init+0x3d8/0x1580 [ 1607.873486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1607.873486][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1607.873486][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1607.873486][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1607.873486][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1607.873486][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1607.873486][ T10] addrconf_dad_begin+0x310/0x670 [ 1607.873486][ T10] addrconf_dad_work+0x10b/0xab0 [ 1607.873486][ T10] process_one_work+0x84d/0x18a0 [ 1607.873486][ T10] worker_thread+0x587/0xd30 [ 1607.873486][ T10] kthread+0x28a/0x350 [ 1607.873486][ T10] ret_from_fork+0x31/0x70 [ 1607.873486][ T10] ret_from_fork_asm+0x1a/0x30 [ 1607.873486][ T10] [ 1607.875540][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1607.875540][ T10] netdev_get_by_index+0x5e/0x80 [ 1607.875540][ T10] fib6_nh_init+0x3d8/0x1580 [ 1607.875540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1607.875540][ T10] ip6_route_add+0x1c/0x140 [ 1607.875540][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1607.875540][ T10] inet6_addr_add+0x4f8/0xa40 [ 1607.875540][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1607.875540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1607.875540][ T10] netlink_rcv_skb+0x130/0x360 [ 1607.875540][ T10] netlink_unicast+0x449/0x710 [ 1607.875540][ T10] netlink_sendmsg+0x723/0xbe0 [ 1607.875540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1607.875540][ T10] ___sys_sendmsg+0xee/0x170 [ 1607.875540][ T10] __sys_sendmsg+0xcd/0x170 [ 1607.875540][ T10] do_syscall_64+0xc6/0x1e0 [ 1607.875540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1607.875540][ T10] [ 1607.877680][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1607.877680][ T10] netdev_get_by_index+0x5e/0x80 [ 1607.877680][ T10] fib6_nh_init+0x3d8/0x1580 [ 1607.877680][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1607.877680][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1607.877680][ T10] ipv6_add_addr+0x411/0x2000 [ 1607.877680][ T10] inet6_addr_add+0x30e/0xa40 [ 1607.877680][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1607.877680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1607.877680][ T10] netlink_rcv_skb+0x130/0x360 [ 1607.877680][ T10] netlink_unicast+0x449/0x710 [ 1607.877680][ T10] netlink_sendmsg+0x723/0xbe0 [ 1607.877680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1607.877680][ T10] ___sys_sendmsg+0xee/0x170 [ 1607.877680][ T10] __sys_sendmsg+0xcd/0x170 [ 1607.877680][ T10] do_syscall_64+0xc6/0x1e0 [ 1607.877680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1607.877680][ T10] [ 1607.879879][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1607.879879][ T10] netdev_get_by_index+0x5e/0x80 [ 1607.879879][ T10] fib6_nh_init+0x3d8/0x1580 [ 1607.879879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1607.879879][ T10] ip6_route_add+0x1c/0x140 [ 1607.879879][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1607.879879][ T10] addrconf_add_dev+0xe2/0x170 [ 1607.879879][ T10] inet6_addr_add+0x12f/0xa40 [ 1607.879879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1607.879879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1607.879879][ T10] netlink_rcv_skb+0x130/0x360 [ 1607.879879][ T10] netlink_unicast+0x449/0x710 [ 1607.879879][ T10] netlink_sendmsg+0x723/0xbe0 [ 1607.879879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1607.879879][ T10] ___sys_sendmsg+0xee/0x170 [ 1607.879879][ T10] __sys_sendmsg+0xcd/0x170 [ 1607.879879][ T10] do_syscall_64+0xc6/0x1e0 [ 1607.879879][ T10] [ 1607.882079][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1607.882079][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1607.882079][ T10] ipv6_find_idev+0x102/0x170 [ 1607.882079][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1607.882079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1607.882079][ T10] netlink_rcv_skb+0x130/0x360 [ 1607.882079][ T10] netlink_unicast+0x449/0x710 [ 1607.882079][ T10] netlink_sendmsg+0x723/0xbe0 [ 1607.882079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1607.882079][ T10] ___sys_sendmsg+0xee/0x170 [ 1607.882079][ T10] __sys_sendmsg+0xcd/0x170 [ 1607.882079][ T10] do_syscall_64+0xc6/0x1e0 [ 1607.882079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1607.882079][ T10] [ 1607.883784][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1607.883784][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1607.883784][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1607.883784][ T10] ipv6_find_idev+0x102/0x170 [ 1607.883784][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1607.883784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1607.883784][ T10] netlink_rcv_skb+0x130/0x360 [ 1607.883784][ T10] netlink_unicast+0x449/0x710 [ 1607.883784][ T10] netlink_sendmsg+0x723/0xbe0 [ 1607.883784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1607.883784][ T10] ___sys_sendmsg+0xee/0x170 [ 1607.883784][ T10] __sys_sendmsg+0xcd/0x170 [ 1607.883784][ T10] do_syscall_64+0xc6/0x1e0 [ 1607.883784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1607.883784][ T10] [ 1607.885673][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1607.885942][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1607.885942][ T10] netdev_get_by_index+0x5e/0x80 [ 1607.885942][ T10] fib6_nh_init+0x3d8/0x1580 [ 1607.885942][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1607.885942][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1607.885942][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1607.885942][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1607.885942][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1607.885942][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1607.885942][ T10] addrconf_dad_begin+0x310/0x670 [ 1607.885942][ T10] addrconf_dad_work+0x10b/0xab0 [ 1607.885942][ T10] process_one_work+0x84d/0x18a0 [ 1607.885942][ T10] worker_thread+0x587/0xd30 [ 1607.885942][ T10] kthread+0x28a/0x350 [ 1607.885942][ T10] ret_from_fork+0x31/0x70 [ 1607.885942][ T10] ret_from_fork_asm+0x1a/0x30 [ 1607.885942][ T10] [ 1607.888077][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1607.888077][ T10] netdev_get_by_index+0x5e/0x80 [ 1607.888077][ T10] fib6_nh_init+0x3d8/0x1580 [ 1607.888077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1607.888077][ T10] ip6_route_add+0x1c/0x140 [ 1607.888077][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1607.888077][ T10] inet6_addr_add+0x4f8/0xa40 [ 1607.888077][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1607.888077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1607.888077][ T10] netlink_rcv_skb+0x130/0x360 [ 1607.888077][ T10] netlink_unicast+0x449/0x710 [ 1607.888077][ T10] netlink_sendmsg+0x723/0xbe0 [ 1607.888077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1607.888077][ T10] ___sys_sendmsg+0xee/0x170 [ 1607.888077][ T10] __sys_sendmsg+0xcd/0x170 [ 1607.888077][ T10] do_syscall_64+0xc6/0x1e0 [ 1607.888077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1607.888077][ T10] [ 1607.890315][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1607.890315][ T10] netdev_get_by_index+0x5e/0x80 [ 1607.890315][ T10] fib6_nh_init+0x3d8/0x1580 [ 1607.890315][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1607.890315][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1607.890315][ T10] ipv6_add_addr+0x411/0x2000 [ 1607.890315][ T10] inet6_addr_add+0x30e/0xa40 [ 1607.890315][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1607.890315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1607.890315][ T10] netlink_rcv_skb+0x130/0x360 [ 1607.890315][ T10] netlink_unicast+0x449/0x710 [ 1607.890315][ T10] netlink_sendmsg+0x723/0xbe0 [ 1607.890315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1607.890315][ T10] ___sys_sendmsg+0xee/0x170 [ 1607.890315][ T10] __sys_sendmsg+0xcd/0x170 [ 1607.890315][ T10] do_syscall_64+0xc6/0x1e0 [ 1607.890315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1607.890315][ T10] [ 1607.892496][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1607.892496][ T10] netdev_get_by_index+0x5e/0x80 [ 1607.892496][ T10] fib6_nh_init+0x3d8/0x1580 [ 1607.892496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1607.892496][ T10] ip6_route_add+0x1c/0x140 [ 1607.892496][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1607.892496][ T10] addrconf_add_dev+0xe2/0x170 [ 1607.892496][ T10] inet6_addr_add+0x12f/0xa40 [ 1607.892496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1607.892496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1607.892496][ T10] netlink_rcv_skb+0x130/0x360 [ 1607.892496][ T10] netlink_unicast+0x449/0x710 [ 1607.892496][ T10] netlink_sendmsg+0x723/0xbe0 [ 1607.892496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1607.892496][ T10] ___sys_sendmsg+0xee/0x170 [ 1607.892496][ T10] __sys_sendmsg+0xcd/0x170 [ 1607.892496][ T10] do_syscall_64+0xc6/0x1e0 [ 1607.892496][ T10] [ 1607.894577][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1607.894577][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1607.894577][ T10] ipv6_find_idev+0x102/0x170 [ 1607.894577][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1607.894577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1607.894577][ T10] netlink_rcv_skb+0x130/0x360 [ 1607.894577][ T10] netlink_unicast+0x449/0x710 [ 1607.894577][ T10] netlink_sendmsg+0x723/0xbe0 [ 1607.894577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1607.894577][ T10] ___sys_sendmsg+0xee/0x170 [ 1607.894577][ T10] __sys_sendmsg+0xcd/0x170 [ 1607.894577][ T10] do_syscall_64+0xc6/0x1e0 [ 1607.894577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1607.894577][ T10] [ 1607.896232][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1607.896232][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1607.896232][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1607.896232][ T10] ipv6_find_idev+0x102/0x170 [ 1607.896232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1607.896232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1607.896232][ T10] netlink_rcv_skb+0x130/0x360 [ 1607.896232][ T10] netlink_unicast+0x449/0x710 [ 1607.896232][ T10] netlink_sendmsg+0x723/0xbe0 [ 1607.896232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1607.896232][ T10] ___sys_sendmsg+0xee/0x170 [ 1607.896232][ T10] __sys_sendmsg+0xcd/0x170 [ 1607.896232][ T10] do_syscall_64+0xc6/0x1e0 [ 1607.896232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1607.896232][ T10] [ 1607.898789][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1607.899044][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1607.899044][ T10] netdev_get_by_index+0x5e/0x80 [ 1607.899044][ T10] fib6_nh_init+0x3d8/0x1580 [ 1607.899044][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1607.899044][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1607.899044][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1607.899044][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1607.899044][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1607.899044][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1607.899044][ T10] addrconf_dad_begin+0x310/0x670 [ 1607.899044][ T10] addrconf_dad_work+0x10b/0xab0 [ 1607.899044][ T10] process_one_work+0x84d/0x18a0 [ 1607.899044][ T10] worker_thread+0x587/0xd30 [ 1607.899044][ T10] kthread+0x28a/0x350 [ 1607.899044][ T10] ret_from_fork+0x31/0x70 [ 1607.899044][ T10] ret_from_fork_asm+0x1a/0x30 [ 1607.899044][ T10] [ 1607.901191][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1607.901191][ T10] netdev_get_by_index+0x5e/0x80 [ 1607.901191][ T10] fib6_nh_init+0x3d8/0x1580 [ 1607.901191][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1607.901191][ T10] ip6_route_add+0x1c/0x140 [ 1607.901191][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1607.901191][ T10] inet6_addr_add+0x4f8/0xa40 [ 1607.901191][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1607.901191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1607.901191][ T10] netlink_rcv_skb+0x130/0x360 [ 1607.901191][ T10] netlink_unicast+0x449/0x710 [ 1607.901191][ T10] netlink_sendmsg+0x723/0xbe0 [ 1607.901191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1607.901191][ T10] ___sys_sendmsg+0xee/0x170 [ 1607.901191][ T10] __sys_sendmsg+0xcd/0x170 [ 1607.901191][ T10] do_syscall_64+0xc6/0x1e0 [ 1607.901191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1607.901191][ T10] [ 1607.903551][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1607.903551][ T10] netdev_get_by_index+0x5e/0x80 [ 1607.903551][ T10] fib6_nh_init+0x3d8/0x1580 [ 1607.903551][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1607.903551][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1607.903551][ T10] ipv6_add_addr+0x411/0x2000 [ 1607.903551][ T10] inet6_addr_add+0x30e/0xa40 [ 1607.903551][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1607.903551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1607.903551][ T10] netlink_rcv_skb+0x130/0x360 [ 1607.903551][ T10] netlink_unicast+0x449/0x710 [ 1607.903551][ T10] netlink_sendmsg+0x723/0xbe0 [ 1607.903551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1607.903551][ T10] ___sys_sendmsg+0xee/0x170 [ 1607.903551][ T10] __sys_sendmsg+0xcd/0x170 [ 1607.903551][ T10] do_syscall_64+0xc6/0x1e0 [ 1607.903551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1607.903551][ T10] [ 1607.906091][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1607.906091][ T10] netdev_get_by_index+0x5e/0x80 [ 1607.906091][ T10] fib6_nh_init+0x3d8/0x1580 [ 1607.906091][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1607.906091][ T10] ip6_route_add+0x1c/0x140 [ 1607.906091][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1607.906091][ T10] addrconf_add_dev+0xe2/0x170 [ 1607.906091][ T10] inet6_addr_add+0x12f/0xa40 [ 1607.906091][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1607.906091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1607.906091][ T10] netlink_rcv_skb+0x130/0x360 [ 1607.906091][ T10] netlink_unicast+0x449/0x710 [ 1607.906091][ T10] netlink_sendmsg+0x723/0xbe0 [ 1607.906091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1607.906091][ T10] ___sys_sendmsg+0xee/0x170 [ 1607.906091][ T10] __sys_sendmsg+0xcd/0x170 [ 1607.906091][ T10] do_syscall_64+0xc6/0x1e0 [ 1607.906091][ T10] [ 1607.908548][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1607.908548][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1607.908548][ T10] ipv6_find_idev+0x102/0x170 [ 1607.908548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1607.908548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1607.908548][ T10] netlink_rcv_skb+0x130/0x360 [ 1607.908548][ T10] netlink_unicast+0x449/0x710 [ 1607.908548][ T10] netlink_sendmsg+0x723/0xbe0 [ 1607.908548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1607.908548][ T10] ___sys_sendmsg+0xee/0x170 [ 1607.908548][ T10] __sys_sendmsg+0xcd/0x170 [ 1607.908548][ T10] do_syscall_64+0xc6/0x1e0 [ 1607.908548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1607.908548][ T10] [ 1607.910853][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1607.910853][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1607.910853][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1607.910853][ T10] ipv6_find_idev+0x102/0x170 [ 1607.910853][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1607.910853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1607.910853][ T10] netlink_rcv_skb+0x130/0x360 [ 1607.910853][ T10] netlink_unicast+0x449/0x710 [ 1607.910853][ T10] netlink_sendmsg+0x723/0xbe0 [ 1607.910853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1607.910853][ T10] ___sys_sendmsg+0xee/0x170 [ 1607.910853][ T10] __sys_sendmsg+0xcd/0x170 [ 1607.910853][ T10] do_syscall_64+0xc6/0x1e0 [ 1607.910853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1607.910853][ T10] [ 1607.912816][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1607.913579][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1607.913579][ T10] netdev_get_by_index+0x5e/0x80 [ 1607.913579][ T10] fib6_nh_init+0x3d8/0x1580 [ 1607.913579][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1607.913579][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1607.913579][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1607.913579][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1607.913579][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1607.913579][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1607.913579][ T10] addrconf_dad_begin+0x310/0x670 [ 1607.913579][ T10] addrconf_dad_work+0x10b/0xab0 [ 1607.913579][ T10] process_one_work+0x84d/0x18a0 [ 1607.913579][ T10] worker_thread+0x587/0xd30 [ 1607.913579][ T10] kthread+0x28a/0x350 [ 1607.913579][ T10] ret_from_fork+0x31/0x70 [ 1607.913579][ T10] ret_from_fork_asm+0x1a/0x30 [ 1607.913579][ T10] [ 1607.915629][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1607.915629][ T10] netdev_get_by_index+0x5e/0x80 [ 1607.915629][ T10] fib6_nh_init+0x3d8/0x1580 [ 1607.915629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1607.915629][ T10] ip6_route_add+0x1c/0x140 [ 1607.915629][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1607.915629][ T10] inet6_addr_add+0x4f8/0xa40 [ 1607.915629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1607.915629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1607.915629][ T10] netlink_rcv_skb+0x130/0x360 [ 1607.915629][ T10] netlink_unicast+0x449/0x710 [ 1607.915629][ T10] netlink_sendmsg+0x723/0xbe0 [ 1607.915629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1607.915629][ T10] ___sys_sendmsg+0xee/0x170 [ 1607.915629][ T10] __sys_sendmsg+0xcd/0x170 [ 1607.915629][ T10] do_syscall_64+0xc6/0x1e0 [ 1607.915629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1607.915629][ T10] [ 1607.917923][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1607.917923][ T10] netdev_get_by_index+0x5e/0x80 [ 1607.917923][ T10] fib6_nh_init+0x3d8/0x1580 [ 1607.917923][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1607.917923][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1607.917923][ T10] ipv6_add_addr+0x411/0x2000 [ 1607.917923][ T10] inet6_addr_add+0x30e/0xa40 [ 1607.917923][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1607.917923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1607.917923][ T10] netlink_rcv_skb+0x130/0x360 [ 1607.917923][ T10] netlink_unicast+0x449/0x710 [ 1607.917923][ T10] netlink_sendmsg+0x723/0xbe0 [ 1607.917923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1607.917923][ T10] ___sys_sendmsg+0xee/0x170 [ 1607.917923][ T10] __sys_sendmsg+0xcd/0x170 [ 1607.917923][ T10] do_syscall_64+0xc6/0x1e0 [ 1607.917923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1607.917923][ T10] [ 1607.920455][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1607.920455][ T10] netdev_get_by_index+0x5e/0x80 [ 1607.920455][ T10] fib6_nh_init+0x3d8/0x1580 [ 1607.920455][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1607.920455][ T10] ip6_route_add+0x1c/0x140 [ 1607.920455][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1607.920455][ T10] addrconf_add_dev+0xe2/0x170 [ 1607.920455][ T10] inet6_addr_add+0x12f/0xa40 [ 1607.920455][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1607.920455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1607.920455][ T10] netlink_rcv_skb+0x130/0x360 [ 1607.920455][ T10] netlink_unicast+0x449/0x710 [ 1607.920455][ T10] netlink_sendmsg+0x723/0xbe0 [ 1607.920455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1607.920455][ T10] ___sys_sendmsg+0xee/0x170 [ 1607.920455][ T10] __sys_sendmsg+0xcd/0x170 [ 1607.920455][ T10] do_syscall_64+0xc6/0x1e0 [ 1607.920455][ T10] [ 1607.922922][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1607.922922][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1607.922922][ T10] ipv6_find_idev+0x102/0x170 [ 1607.922922][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1607.922922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1607.922922][ T10] netlink_rcv_skb+0x130/0x360 [ 1607.922922][ T10] netlink_unicast+0x449/0x710 [ 1607.922922][ T10] netlink_sendmsg+0x723/0xbe0 [ 1607.922922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1607.922922][ T10] ___sys_sendmsg+0xee/0x170 [ 1607.922922][ T10] __sys_sendmsg+0xcd/0x170 [ 1607.922922][ T10] do_syscall_64+0xc6/0x1e0 [ 1607.922922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1607.922922][ T10] [ 1607.924736][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1607.924736][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1607.924736][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1607.924736][ T10] ipv6_find_idev+0x102/0x170 [ 1607.924736][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1607.924736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1607.924736][ T10] netlink_rcv_skb+0x130/0x360 [ 1607.924736][ T10] netlink_unicast+0x449/0x710 [ 1607.924736][ T10] netlink_sendmsg+0x723/0xbe0 [ 1607.924736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1607.924736][ T10] ___sys_sendmsg+0xee/0x170 [ 1607.924736][ T10] __sys_sendmsg+0xcd/0x170 [ 1607.924736][ T10] do_syscall_64+0xc6/0x1e0 [ 1607.924736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1607.924736][ T10] [ 1615.849247][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1615.849836][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1615.849836][ T1167] dst_init+0x84/0x4a0 [ 1615.849836][ T1167] dst_alloc+0x97/0x150 [ 1615.849836][ T1167] ip6_dst_alloc+0x23/0x90 [ 1615.849836][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1615.849836][ T1167] ip6_pol_route+0x56f/0x840 [ 1615.849836][ T1167] fib6_rule_lookup+0x334/0x630 [ 1615.849836][ T1167] ip6_route_output_flags+0x259/0x480 [ 1615.849836][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1615.849836][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1615.849836][ T1167] netlink_rcv_skb+0x130/0x360 [ 1615.849836][ T1167] netlink_unicast+0x449/0x710 [ 1615.849836][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1615.849836][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1615.849836][ T1167] ___sys_sendmsg+0xee/0x170 [ 1615.849836][ T1167] __sys_sendmsg+0xcd/0x170 [ 1615.849836][ T1167] do_syscall_64+0xc6/0x1e0 [ 1615.849836][ T1167] [ 1615.852200][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1615.852200][ T1167] netdev_get_by_index+0x5e/0x80 [ 1615.852200][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1615.852200][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1615.852200][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1615.852200][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1615.852200][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1615.852200][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1615.852200][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1615.852200][ T1167] addrconf_dad_begin+0x310/0x670 [ 1615.852200][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1615.852200][ T1167] process_one_work+0x84d/0x18a0 [ 1615.852200][ T1167] worker_thread+0x587/0xd30 [ 1615.852200][ T1167] kthread+0x28a/0x350 [ 1615.852200][ T1167] ret_from_fork+0x31/0x70 [ 1615.852200][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1615.852200][ T1167] [ 1615.854489][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1615.854489][ T1167] netdev_get_by_index+0x5e/0x80 [ 1615.854489][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1615.854489][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1615.854489][ T1167] ip6_route_add+0x1c/0x140 [ 1615.854489][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1615.854489][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1615.854489][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1615.854489][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.854489][ T1167] netlink_rcv_skb+0x130/0x360 [ 1615.854489][ T1167] netlink_unicast+0x449/0x710 [ 1615.854489][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1615.854489][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1615.854489][ T1167] ___sys_sendmsg+0xee/0x170 [ 1615.854489][ T1167] __sys_sendmsg+0xcd/0x170 [ 1615.854489][ T1167] do_syscall_64+0xc6/0x1e0 [ 1615.854489][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1615.854489][ T1167] [ 1615.856869][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1615.856869][ T1167] netdev_get_by_index+0x5e/0x80 [ 1615.856869][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1615.856869][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1615.856869][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1615.856869][ T1167] ipv6_add_addr+0x411/0x2000 [ 1615.856869][ T1167] inet6_addr_add+0x30e/0xa40 [ 1615.856869][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1615.856869][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.856869][ T1167] netlink_rcv_skb+0x130/0x360 [ 1615.856869][ T1167] netlink_unicast+0x449/0x710 [ 1615.856869][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1615.856869][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1615.856869][ T1167] ___sys_sendmsg+0xee/0x170 [ 1615.856869][ T1167] __sys_sendmsg+0xcd/0x170 [ 1615.856869][ T1167] do_syscall_64+0xc6/0x1e0 [ 1615.856869][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1615.856869][ T1167] [ 1615.859361][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1615.859361][ T1167] netdev_get_by_index+0x5e/0x80 [ 1615.859361][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1615.859361][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1615.859361][ T1167] ip6_route_add+0x1c/0x140 [ 1615.859361][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1615.859361][ T1167] addrconf_add_dev+0xe2/0x170 [ 1615.859361][ T1167] inet6_addr_add+0x12f/0xa40 [ 1615.859361][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1615.859361][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.859361][ T1167] netlink_rcv_skb+0x130/0x360 [ 1615.859361][ T1167] netlink_unicast+0x449/0x710 [ 1615.859361][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1615.859361][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1615.859361][ T1167] ___sys_sendmsg+0xee/0x170 [ 1615.859361][ T1167] __sys_sendmsg+0xcd/0x170 [ 1615.859361][ T1167] do_syscall_64+0xc6/0x1e0 [ 1615.859361][ T1167] [ 1615.862744][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1615.862744][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1615.862744][ T1167] ipv6_find_idev+0x102/0x170 [ 1615.862744][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1615.862744][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.862744][ T1167] netlink_rcv_skb+0x130/0x360 [ 1615.862744][ T1167] netlink_unicast+0x449/0x710 [ 1615.862744][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1615.862744][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1615.862744][ T1167] ___sys_sendmsg+0xee/0x170 [ 1615.862744][ T1167] __sys_sendmsg+0xcd/0x170 [ 1615.862744][ T1167] do_syscall_64+0xc6/0x1e0 [ 1615.862744][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1615.862744][ T1167] [ 1615.865469][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1615.865469][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1615.865469][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1615.865469][ T1167] ipv6_find_idev+0x102/0x170 [ 1615.865469][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1615.865469][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1615.865469][ T1167] netlink_rcv_skb+0x130/0x360 [ 1615.865469][ T1167] netlink_unicast+0x449/0x710 [ 1615.865469][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1615.865469][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1615.865469][ T1167] ___sys_sendmsg+0xee/0x170 [ 1615.865469][ T1167] __sys_sendmsg+0xcd/0x170 [ 1615.865469][ T1167] do_syscall_64+0xc6/0x1e0 [ 1615.865469][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1615.865469][ T1167] [ 1618.153125][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1618.153676][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1618.153676][ T10] netdev_get_by_index+0x5e/0x80 [ 1618.153676][ T10] fib6_nh_init+0x3d8/0x1580 [ 1618.153676][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1618.153676][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1618.153676][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1618.153676][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1618.153676][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1618.153676][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1618.153676][ T10] addrconf_dad_begin+0x310/0x670 [ 1618.153676][ T10] addrconf_dad_work+0x10b/0xab0 [ 1618.153676][ T10] process_one_work+0x84d/0x18a0 [ 1618.153676][ T10] worker_thread+0x587/0xd30 [ 1618.153676][ T10] kthread+0x28a/0x350 [ 1618.153676][ T10] ret_from_fork+0x31/0x70 [ 1618.153676][ T10] ret_from_fork_asm+0x1a/0x30 [ 1618.153676][ T10] [ 1618.156720][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1618.156720][ T10] netdev_get_by_index+0x5e/0x80 [ 1618.156720][ T10] fib6_nh_init+0x3d8/0x1580 [ 1618.156720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1618.156720][ T10] ip6_route_add+0x1c/0x140 [ 1618.156720][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1618.156720][ T10] inet6_addr_add+0x4f8/0xa40 [ 1618.156720][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1618.156720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.156720][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.156720][ T10] netlink_unicast+0x449/0x710 [ 1618.156720][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.156720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.156720][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.156720][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.156720][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.156720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.156720][ T10] [ 1618.159863][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1618.159863][ T10] netdev_get_by_index+0x5e/0x80 [ 1618.159863][ T10] fib6_nh_init+0x3d8/0x1580 [ 1618.159863][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1618.159863][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1618.159863][ T10] ipv6_add_addr+0x411/0x2000 [ 1618.159863][ T10] inet6_addr_add+0x30e/0xa40 [ 1618.159863][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1618.159863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.159863][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.159863][ T10] netlink_unicast+0x449/0x710 [ 1618.159863][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.159863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.159863][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.159863][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.159863][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.159863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.159863][ T10] [ 1618.163486][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1618.163486][ T10] netdev_get_by_index+0x5e/0x80 [ 1618.163486][ T10] fib6_nh_init+0x3d8/0x1580 [ 1618.163486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1618.163486][ T10] ip6_route_add+0x1c/0x140 [ 1618.163486][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1618.163486][ T10] addrconf_add_dev+0xe2/0x170 [ 1618.163486][ T10] inet6_addr_add+0x12f/0xa40 [ 1618.163486][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1618.163486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.163486][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.163486][ T10] netlink_unicast+0x449/0x710 [ 1618.163486][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.163486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.163486][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.163486][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.163486][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.163486][ T10] [ 1618.166573][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1618.166573][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1618.166573][ T10] ipv6_find_idev+0x102/0x170 [ 1618.166573][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1618.166573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.166573][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.166573][ T10] netlink_unicast+0x449/0x710 [ 1618.166573][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.166573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.166573][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.166573][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.166573][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.166573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.166573][ T10] [ 1618.168980][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1618.168980][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1618.168980][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1618.168980][ T10] ipv6_find_idev+0x102/0x170 [ 1618.168980][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1618.168980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.168980][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.168980][ T10] netlink_unicast+0x449/0x710 [ 1618.168980][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.168980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.168980][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.168980][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.168980][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.168980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.168980][ T10] [ 1618.171654][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1618.172064][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1618.172064][ T10] netdev_get_by_index+0x5e/0x80 [ 1618.172064][ T10] fib6_nh_init+0x3d8/0x1580 [ 1618.172064][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1618.172064][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1618.172064][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1618.172064][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1618.172064][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1618.172064][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1618.172064][ T10] addrconf_dad_begin+0x310/0x670 [ 1618.172064][ T10] addrconf_dad_work+0x10b/0xab0 [ 1618.172064][ T10] process_one_work+0x84d/0x18a0 [ 1618.172064][ T10] worker_thread+0x587/0xd30 [ 1618.172064][ T10] kthread+0x28a/0x350 [ 1618.172064][ T10] ret_from_fork+0x31/0x70 [ 1618.172064][ T10] ret_from_fork_asm+0x1a/0x30 [ 1618.172064][ T10] [ 1618.174983][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1618.174983][ T10] netdev_get_by_index+0x5e/0x80 [ 1618.174983][ T10] fib6_nh_init+0x3d8/0x1580 [ 1618.174983][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1618.174983][ T10] ip6_route_add+0x1c/0x140 [ 1618.174983][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1618.174983][ T10] inet6_addr_add+0x4f8/0xa40 [ 1618.174983][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1618.174983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.174983][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.174983][ T10] netlink_unicast+0x449/0x710 [ 1618.174983][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.174983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.174983][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.174983][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.174983][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.174983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.174983][ T10] [ 1618.177995][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1618.177995][ T10] netdev_get_by_index+0x5e/0x80 [ 1618.177995][ T10] fib6_nh_init+0x3d8/0x1580 [ 1618.177995][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1618.177995][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1618.177995][ T10] ipv6_add_addr+0x411/0x2000 [ 1618.177995][ T10] inet6_addr_add+0x30e/0xa40 [ 1618.177995][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1618.177995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.177995][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.177995][ T10] netlink_unicast+0x449/0x710 [ 1618.177995][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.177995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.177995][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.177995][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.177995][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.177995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.177995][ T10] [ 1618.180903][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1618.180903][ T10] netdev_get_by_index+0x5e/0x80 [ 1618.180903][ T10] fib6_nh_init+0x3d8/0x1580 [ 1618.180903][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1618.180903][ T10] ip6_route_add+0x1c/0x140 [ 1618.180903][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1618.180903][ T10] addrconf_add_dev+0xe2/0x170 [ 1618.180903][ T10] inet6_addr_add+0x12f/0xa40 [ 1618.180903][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1618.180903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.180903][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.180903][ T10] netlink_unicast+0x449/0x710 [ 1618.180903][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.180903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.180903][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.180903][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.180903][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.180903][ T10] [ 1618.183960][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1618.183960][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1618.183960][ T10] ipv6_find_idev+0x102/0x170 [ 1618.183960][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1618.183960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.183960][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.183960][ T10] netlink_unicast+0x449/0x710 [ 1618.183960][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.183960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.183960][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.183960][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.183960][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.183960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.183960][ T10] [ 1618.186350][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1618.186350][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1618.186350][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1618.186350][ T10] ipv6_find_idev+0x102/0x170 [ 1618.186350][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1618.186350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.186350][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.186350][ T10] netlink_unicast+0x449/0x710 [ 1618.186350][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.186350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.186350][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.186350][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.186350][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.186350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.186350][ T10] [ 1618.188890][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1618.189337][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1618.189337][ T10] netdev_get_by_index+0x5e/0x80 [ 1618.189337][ T10] fib6_nh_init+0x3d8/0x1580 [ 1618.189337][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1618.189337][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1618.189337][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1618.189337][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1618.189337][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1618.189337][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1618.189337][ T10] addrconf_dad_begin+0x310/0x670 [ 1618.189337][ T10] addrconf_dad_work+0x10b/0xab0 [ 1618.189337][ T10] process_one_work+0x84d/0x18a0 [ 1618.189337][ T10] worker_thread+0x587/0xd30 [ 1618.189337][ T10] kthread+0x28a/0x350 [ 1618.189337][ T10] ret_from_fork+0x31/0x70 [ 1618.189337][ T10] ret_from_fork_asm+0x1a/0x30 [ 1618.189337][ T10] [ 1618.192258][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1618.192258][ T10] netdev_get_by_index+0x5e/0x80 [ 1618.192258][ T10] fib6_nh_init+0x3d8/0x1580 [ 1618.192258][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1618.192258][ T10] ip6_route_add+0x1c/0x140 [ 1618.192258][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1618.192258][ T10] inet6_addr_add+0x4f8/0xa40 [ 1618.192258][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1618.192258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.192258][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.192258][ T10] netlink_unicast+0x449/0x710 [ 1618.192258][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.192258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.192258][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.192258][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.192258][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.192258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.192258][ T10] [ 1618.195678][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1618.195678][ T10] netdev_get_by_index+0x5e/0x80 [ 1618.195678][ T10] fib6_nh_init+0x3d8/0x1580 [ 1618.195678][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1618.195678][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1618.195678][ T10] ipv6_add_addr+0x411/0x2000 [ 1618.195678][ T10] inet6_addr_add+0x30e/0xa40 [ 1618.195678][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1618.195678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.195678][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.195678][ T10] netlink_unicast+0x449/0x710 [ 1618.195678][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.195678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.195678][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.195678][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.195678][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.195678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.195678][ T10] [ 1618.199319][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1618.199319][ T10] netdev_get_by_index+0x5e/0x80 [ 1618.199319][ T10] fib6_nh_init+0x3d8/0x1580 [ 1618.199319][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1618.199319][ T10] ip6_route_add+0x1c/0x140 [ 1618.199319][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1618.199319][ T10] addrconf_add_dev+0xe2/0x170 [ 1618.199319][ T10] inet6_addr_add+0x12f/0xa40 [ 1618.199319][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1618.199319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.199319][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.199319][ T10] netlink_unicast+0x449/0x710 [ 1618.199319][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.199319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.199319][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.199319][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.199319][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.199319][ T10] [ 1618.202837][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1618.202837][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1618.202837][ T10] ipv6_find_idev+0x102/0x170 [ 1618.202837][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1618.202837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.202837][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.202837][ T10] netlink_unicast+0x449/0x710 [ 1618.202837][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.202837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.202837][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.202837][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.202837][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.202837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.202837][ T10] [ 1618.205552][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1618.205552][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1618.205552][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1618.205552][ T10] ipv6_find_idev+0x102/0x170 [ 1618.205552][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1618.205552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.205552][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.205552][ T10] netlink_unicast+0x449/0x710 [ 1618.205552][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.205552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.205552][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.205552][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.205552][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.205552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.205552][ T10] [ 1618.208466][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1618.208845][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1618.208845][ T10] netdev_get_by_index+0x5e/0x80 [ 1618.208845][ T10] fib6_nh_init+0x3d8/0x1580 [ 1618.208845][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1618.208845][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1618.208845][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1618.208845][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1618.208845][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1618.208845][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1618.208845][ T10] addrconf_dad_begin+0x310/0x670 [ 1618.208845][ T10] addrconf_dad_work+0x10b/0xab0 [ 1618.208845][ T10] process_one_work+0x84d/0x18a0 [ 1618.208845][ T10] worker_thread+0x587/0xd30 [ 1618.208845][ T10] kthread+0x28a/0x350 [ 1618.208845][ T10] ret_from_fork+0x31/0x70 [ 1618.208845][ T10] ret_from_fork_asm+0x1a/0x30 [ 1618.208845][ T10] [ 1618.212207][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1618.212207][ T10] netdev_get_by_index+0x5e/0x80 [ 1618.212207][ T10] fib6_nh_init+0x3d8/0x1580 [ 1618.212207][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1618.212207][ T10] ip6_route_add+0x1c/0x140 [ 1618.212207][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1618.212207][ T10] inet6_addr_add+0x4f8/0xa40 [ 1618.212207][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1618.212207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.212207][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.212207][ T10] netlink_unicast+0x449/0x710 [ 1618.212207][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.212207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.212207][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.212207][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.212207][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.212207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.212207][ T10] [ 1618.215609][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1618.215609][ T10] netdev_get_by_index+0x5e/0x80 [ 1618.215609][ T10] fib6_nh_init+0x3d8/0x1580 [ 1618.215609][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1618.215609][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1618.215609][ T10] ipv6_add_addr+0x411/0x2000 [ 1618.215609][ T10] inet6_addr_add+0x30e/0xa40 [ 1618.215609][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1618.215609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.215609][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.215609][ T10] netlink_unicast+0x449/0x710 [ 1618.215609][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.215609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.215609][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.215609][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.215609][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.215609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.215609][ T10] [ 1618.218968][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1618.218968][ T10] netdev_get_by_index+0x5e/0x80 [ 1618.218968][ T10] fib6_nh_init+0x3d8/0x1580 [ 1618.218968][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1618.218968][ T10] ip6_route_add+0x1c/0x140 [ 1618.218968][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1618.218968][ T10] addrconf_add_dev+0xe2/0x170 [ 1618.218968][ T10] inet6_addr_add+0x12f/0xa40 [ 1618.218968][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1618.218968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.218968][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.218968][ T10] netlink_unicast+0x449/0x710 [ 1618.218968][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.218968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.218968][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.218968][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.218968][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.218968][ T10] [ 1618.222335][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1618.222335][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1618.222335][ T10] ipv6_find_idev+0x102/0x170 [ 1618.222335][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1618.222335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.222335][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.222335][ T10] netlink_unicast+0x449/0x710 [ 1618.222335][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.222335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.222335][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.222335][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.222335][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.222335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.222335][ T10] [ 1618.225039][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1618.225039][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1618.225039][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1618.225039][ T10] ipv6_find_idev+0x102/0x170 [ 1618.225039][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1618.225039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.225039][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.225039][ T10] netlink_unicast+0x449/0x710 [ 1618.225039][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.225039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.225039][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.225039][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.225039][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.225039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.225039][ T10] [ 1626.121152][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1626.121774][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1626.121774][ T1167] dst_init+0x84/0x4a0 [ 1626.121774][ T1167] dst_alloc+0x97/0x150 [ 1626.121774][ T1167] ip6_dst_alloc+0x23/0x90 [ 1626.121774][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1626.121774][ T1167] ip6_pol_route+0x56f/0x840 [ 1626.121774][ T1167] fib6_rule_lookup+0x334/0x630 [ 1626.121774][ T1167] ip6_route_output_flags+0x259/0x480 [ 1626.121774][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1626.121774][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1626.121774][ T1167] netlink_rcv_skb+0x130/0x360 [ 1626.121774][ T1167] netlink_unicast+0x449/0x710 [ 1626.121774][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1626.121774][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1626.121774][ T1167] ___sys_sendmsg+0xee/0x170 [ 1626.121774][ T1167] __sys_sendmsg+0xcd/0x170 [ 1626.121774][ T1167] do_syscall_64+0xc6/0x1e0 [ 1626.121774][ T1167] [ 1626.124112][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1626.124112][ T1167] netdev_get_by_index+0x5e/0x80 [ 1626.124112][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1626.124112][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1626.124112][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1626.124112][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1626.124112][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1626.124112][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1626.124112][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1626.124112][ T1167] addrconf_dad_begin+0x310/0x670 [ 1626.124112][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1626.124112][ T1167] process_one_work+0x84d/0x18a0 [ 1626.124112][ T1167] worker_thread+0x587/0xd30 [ 1626.124112][ T1167] kthread+0x28a/0x350 [ 1626.124112][ T1167] ret_from_fork+0x31/0x70 [ 1626.124112][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1626.124112][ T1167] [ 1626.126388][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1626.126388][ T1167] netdev_get_by_index+0x5e/0x80 [ 1626.126388][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1626.126388][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1626.126388][ T1167] ip6_route_add+0x1c/0x140 [ 1626.126388][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1626.126388][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1626.126388][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1626.126388][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.126388][ T1167] netlink_rcv_skb+0x130/0x360 [ 1626.126388][ T1167] netlink_unicast+0x449/0x710 [ 1626.126388][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1626.126388][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1626.126388][ T1167] ___sys_sendmsg+0xee/0x170 [ 1626.126388][ T1167] __sys_sendmsg+0xcd/0x170 [ 1626.126388][ T1167] do_syscall_64+0xc6/0x1e0 [ 1626.126388][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.126388][ T1167] [ 1626.128726][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1626.128726][ T1167] netdev_get_by_index+0x5e/0x80 [ 1626.128726][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1626.128726][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1626.128726][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1626.128726][ T1167] ipv6_add_addr+0x411/0x2000 [ 1626.128726][ T1167] inet6_addr_add+0x30e/0xa40 [ 1626.128726][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1626.128726][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.128726][ T1167] netlink_rcv_skb+0x130/0x360 [ 1626.128726][ T1167] netlink_unicast+0x449/0x710 [ 1626.128726][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1626.128726][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1626.128726][ T1167] ___sys_sendmsg+0xee/0x170 [ 1626.128726][ T1167] __sys_sendmsg+0xcd/0x170 [ 1626.128726][ T1167] do_syscall_64+0xc6/0x1e0 [ 1626.128726][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.128726][ T1167] [ 1626.131091][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1626.131091][ T1167] netdev_get_by_index+0x5e/0x80 [ 1626.131091][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1626.131091][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1626.131091][ T1167] ip6_route_add+0x1c/0x140 [ 1626.131091][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1626.131091][ T1167] addrconf_add_dev+0xe2/0x170 [ 1626.131091][ T1167] inet6_addr_add+0x12f/0xa40 [ 1626.131091][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1626.131091][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.131091][ T1167] netlink_rcv_skb+0x130/0x360 [ 1626.131091][ T1167] netlink_unicast+0x449/0x710 [ 1626.131091][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1626.131091][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1626.131091][ T1167] ___sys_sendmsg+0xee/0x170 [ 1626.131091][ T1167] __sys_sendmsg+0xcd/0x170 [ 1626.131091][ T1167] do_syscall_64+0xc6/0x1e0 [ 1626.131091][ T1167] [ 1626.133563][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1626.133563][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1626.133563][ T1167] ipv6_find_idev+0x102/0x170 [ 1626.133563][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1626.133563][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.133563][ T1167] netlink_rcv_skb+0x130/0x360 [ 1626.133563][ T1167] netlink_unicast+0x449/0x710 [ 1626.133563][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1626.133563][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1626.133563][ T1167] ___sys_sendmsg+0xee/0x170 [ 1626.133563][ T1167] __sys_sendmsg+0xcd/0x170 [ 1626.133563][ T1167] do_syscall_64+0xc6/0x1e0 [ 1626.133563][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.133563][ T1167] [ 1626.135372][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1626.135372][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1626.135372][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1626.135372][ T1167] ipv6_find_idev+0x102/0x170 [ 1626.135372][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1626.135372][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.135372][ T1167] netlink_rcv_skb+0x130/0x360 [ 1626.135372][ T1167] netlink_unicast+0x449/0x710 [ 1626.135372][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1626.135372][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1626.135372][ T1167] ___sys_sendmsg+0xee/0x170 [ 1626.135372][ T1167] __sys_sendmsg+0xcd/0x170 [ 1626.135372][ T1167] do_syscall_64+0xc6/0x1e0 [ 1626.135372][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.135372][ T1167] [ 1628.385060][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1628.385567][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1628.385567][ T10] netdev_get_by_index+0x5e/0x80 [ 1628.385567][ T10] fib6_nh_init+0x3d8/0x1580 [ 1628.385567][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1628.385567][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1628.385567][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1628.385567][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1628.385567][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1628.385567][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1628.385567][ T10] addrconf_dad_begin+0x310/0x670 [ 1628.385567][ T10] addrconf_dad_work+0x10b/0xab0 [ 1628.385567][ T10] process_one_work+0x84d/0x18a0 [ 1628.385567][ T10] worker_thread+0x587/0xd30 [ 1628.385567][ T10] kthread+0x28a/0x350 [ 1628.385567][ T10] ret_from_fork+0x31/0x70 [ 1628.385567][ T10] ret_from_fork_asm+0x1a/0x30 [ 1628.385567][ T10] [ 1628.387619][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1628.387619][ T10] netdev_get_by_index+0x5e/0x80 [ 1628.387619][ T10] fib6_nh_init+0x3d8/0x1580 [ 1628.387619][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1628.387619][ T10] ip6_route_add+0x1c/0x140 [ 1628.387619][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1628.387619][ T10] inet6_addr_add+0x4f8/0xa40 [ 1628.387619][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1628.387619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1628.387619][ T10] netlink_rcv_skb+0x130/0x360 [ 1628.387619][ T10] netlink_unicast+0x449/0x710 [ 1628.387619][ T10] netlink_sendmsg+0x723/0xbe0 [ 1628.387619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1628.387619][ T10] ___sys_sendmsg+0xee/0x170 [ 1628.387619][ T10] __sys_sendmsg+0xcd/0x170 [ 1628.387619][ T10] do_syscall_64+0xc6/0x1e0 [ 1628.387619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1628.387619][ T10] [ 1628.389718][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1628.389718][ T10] netdev_get_by_index+0x5e/0x80 [ 1628.389718][ T10] fib6_nh_init+0x3d8/0x1580 [ 1628.389718][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1628.389718][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1628.389718][ T10] ipv6_add_addr+0x411/0x2000 [ 1628.389718][ T10] inet6_addr_add+0x30e/0xa40 [ 1628.389718][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1628.389718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1628.389718][ T10] netlink_rcv_skb+0x130/0x360 [ 1628.389718][ T10] netlink_unicast+0x449/0x710 [ 1628.389718][ T10] netlink_sendmsg+0x723/0xbe0 [ 1628.389718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1628.389718][ T10] ___sys_sendmsg+0xee/0x170 [ 1628.389718][ T10] __sys_sendmsg+0xcd/0x170 [ 1628.389718][ T10] do_syscall_64+0xc6/0x1e0 [ 1628.389718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1628.389718][ T10] [ 1628.391856][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1628.391856][ T10] netdev_get_by_index+0x5e/0x80 [ 1628.391856][ T10] fib6_nh_init+0x3d8/0x1580 [ 1628.391856][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1628.391856][ T10] ip6_route_add+0x1c/0x140 [ 1628.391856][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1628.391856][ T10] addrconf_add_dev+0xe2/0x170 [ 1628.391856][ T10] inet6_addr_add+0x12f/0xa40 [ 1628.391856][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1628.391856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1628.391856][ T10] netlink_rcv_skb+0x130/0x360 [ 1628.391856][ T10] netlink_unicast+0x449/0x710 [ 1628.391856][ T10] netlink_sendmsg+0x723/0xbe0 [ 1628.391856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1628.391856][ T10] ___sys_sendmsg+0xee/0x170 [ 1628.391856][ T10] __sys_sendmsg+0xcd/0x170 [ 1628.391856][ T10] do_syscall_64+0xc6/0x1e0 [ 1628.391856][ T10] [ 1628.393934][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1628.393934][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1628.393934][ T10] ipv6_find_idev+0x102/0x170 [ 1628.393934][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1628.393934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1628.393934][ T10] netlink_rcv_skb+0x130/0x360 [ 1628.393934][ T10] netlink_unicast+0x449/0x710 [ 1628.393934][ T10] netlink_sendmsg+0x723/0xbe0 [ 1628.393934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1628.393934][ T10] ___sys_sendmsg+0xee/0x170 [ 1628.393934][ T10] __sys_sendmsg+0xcd/0x170 [ 1628.393934][ T10] do_syscall_64+0xc6/0x1e0 [ 1628.393934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1628.393934][ T10] [ 1628.395552][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1628.395552][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1628.395552][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1628.395552][ T10] ipv6_find_idev+0x102/0x170 [ 1628.395552][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1628.395552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1628.395552][ T10] netlink_rcv_skb+0x130/0x360 [ 1628.395552][ T10] netlink_unicast+0x449/0x710 [ 1628.395552][ T10] netlink_sendmsg+0x723/0xbe0 [ 1628.395552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1628.395552][ T10] ___sys_sendmsg+0xee/0x170 [ 1628.395552][ T10] __sys_sendmsg+0xcd/0x170 [ 1628.395552][ T10] do_syscall_64+0xc6/0x1e0 [ 1628.395552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1628.395552][ T10] [ 1628.397364][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1628.397655][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1628.397655][ T10] netdev_get_by_index+0x5e/0x80 [ 1628.397655][ T10] fib6_nh_init+0x3d8/0x1580 [ 1628.397655][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1628.397655][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1628.397655][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1628.397655][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1628.397655][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1628.397655][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1628.397655][ T10] addrconf_dad_begin+0x310/0x670 [ 1628.397655][ T10] addrconf_dad_work+0x10b/0xab0 [ 1628.397655][ T10] process_one_work+0x84d/0x18a0 [ 1628.397655][ T10] worker_thread+0x587/0xd30 [ 1628.397655][ T10] kthread+0x28a/0x350 [ 1628.397655][ T10] ret_from_fork+0x31/0x70 [ 1628.397655][ T10] ret_from_fork_asm+0x1a/0x30 [ 1628.397655][ T10] [ 1628.399681][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1628.399681][ T10] netdev_get_by_index+0x5e/0x80 [ 1628.399681][ T10] fib6_nh_init+0x3d8/0x1580 [ 1628.399681][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1628.399681][ T10] ip6_route_add+0x1c/0x140 [ 1628.399681][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1628.399681][ T10] inet6_addr_add+0x4f8/0xa40 [ 1628.399681][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1628.399681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1628.399681][ T10] netlink_rcv_skb+0x130/0x360 [ 1628.399681][ T10] netlink_unicast+0x449/0x710 [ 1628.399681][ T10] netlink_sendmsg+0x723/0xbe0 [ 1628.399681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1628.399681][ T10] ___sys_sendmsg+0xee/0x170 [ 1628.399681][ T10] __sys_sendmsg+0xcd/0x170 [ 1628.399681][ T10] do_syscall_64+0xc6/0x1e0 [ 1628.399681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1628.399681][ T10] [ 1628.401820][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1628.401820][ T10] netdev_get_by_index+0x5e/0x80 [ 1628.401820][ T10] fib6_nh_init+0x3d8/0x1580 [ 1628.401820][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1628.401820][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1628.401820][ T10] ipv6_add_addr+0x411/0x2000 [ 1628.401820][ T10] inet6_addr_add+0x30e/0xa40 [ 1628.401820][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1628.401820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1628.401820][ T10] netlink_rcv_skb+0x130/0x360 [ 1628.401820][ T10] netlink_unicast+0x449/0x710 [ 1628.401820][ T10] netlink_sendmsg+0x723/0xbe0 [ 1628.401820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1628.401820][ T10] ___sys_sendmsg+0xee/0x170 [ 1628.401820][ T10] __sys_sendmsg+0xcd/0x170 [ 1628.401820][ T10] do_syscall_64+0xc6/0x1e0 [ 1628.401820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1628.401820][ T10] [ 1628.404017][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1628.404017][ T10] netdev_get_by_index+0x5e/0x80 [ 1628.404017][ T10] fib6_nh_init+0x3d8/0x1580 [ 1628.404017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1628.404017][ T10] ip6_route_add+0x1c/0x140 [ 1628.404017][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1628.404017][ T10] addrconf_add_dev+0xe2/0x170 [ 1628.404017][ T10] inet6_addr_add+0x12f/0xa40 [ 1628.404017][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1628.404017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1628.404017][ T10] netlink_rcv_skb+0x130/0x360 [ 1628.404017][ T10] netlink_unicast+0x449/0x710 [ 1628.404017][ T10] netlink_sendmsg+0x723/0xbe0 [ 1628.404017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1628.404017][ T10] ___sys_sendmsg+0xee/0x170 [ 1628.404017][ T10] __sys_sendmsg+0xcd/0x170 [ 1628.404017][ T10] do_syscall_64+0xc6/0x1e0 [ 1628.404017][ T10] [ 1628.406115][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1628.406115][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1628.406115][ T10] ipv6_find_idev+0x102/0x170 [ 1628.406115][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1628.406115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1628.406115][ T10] netlink_rcv_skb+0x130/0x360 [ 1628.406115][ T10] netlink_unicast+0x449/0x710 [ 1628.406115][ T10] netlink_sendmsg+0x723/0xbe0 [ 1628.406115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1628.406115][ T10] ___sys_sendmsg+0xee/0x170 [ 1628.406115][ T10] __sys_sendmsg+0xcd/0x170 [ 1628.406115][ T10] do_syscall_64+0xc6/0x1e0 [ 1628.406115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1628.406115][ T10] [ 1628.407675][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1628.407675][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1628.407675][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1628.407675][ T10] ipv6_find_idev+0x102/0x170 [ 1628.407675][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1628.407675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1628.407675][ T10] netlink_rcv_skb+0x130/0x360 [ 1628.407675][ T10] netlink_unicast+0x449/0x710 [ 1628.407675][ T10] netlink_sendmsg+0x723/0xbe0 [ 1628.407675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1628.407675][ T10] ___sys_sendmsg+0xee/0x170 [ 1628.407675][ T10] __sys_sendmsg+0xcd/0x170 [ 1628.407675][ T10] do_syscall_64+0xc6/0x1e0 [ 1628.407675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1628.407675][ T10] [ 1628.409403][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1628.409652][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1628.409652][ T10] netdev_get_by_index+0x5e/0x80 [ 1628.409652][ T10] fib6_nh_init+0x3d8/0x1580 [ 1628.409652][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1628.409652][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1628.409652][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1628.409652][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1628.409652][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1628.409652][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1628.409652][ T10] addrconf_dad_begin+0x310/0x670 [ 1628.409652][ T10] addrconf_dad_work+0x10b/0xab0 [ 1628.409652][ T10] process_one_work+0x84d/0x18a0 [ 1628.409652][ T10] worker_thread+0x587/0xd30 [ 1628.409652][ T10] kthread+0x28a/0x350 [ 1628.409652][ T10] ret_from_fork+0x31/0x70 [ 1628.409652][ T10] ret_from_fork_asm+0x1a/0x30 [ 1628.409652][ T10] [ 1628.411591][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1628.411591][ T10] netdev_get_by_index+0x5e/0x80 [ 1628.411591][ T10] fib6_nh_init+0x3d8/0x1580 [ 1628.411591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1628.411591][ T10] ip6_route_add+0x1c/0x140 [ 1628.411591][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1628.411591][ T10] inet6_addr_add+0x4f8/0xa40 [ 1628.411591][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1628.411591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1628.411591][ T10] netlink_rcv_skb+0x130/0x360 [ 1628.411591][ T10] netlink_unicast+0x449/0x710 [ 1628.411591][ T10] netlink_sendmsg+0x723/0xbe0 [ 1628.411591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1628.411591][ T10] ___sys_sendmsg+0xee/0x170 [ 1628.411591][ T10] __sys_sendmsg+0xcd/0x170 [ 1628.411591][ T10] do_syscall_64+0xc6/0x1e0 [ 1628.411591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1628.411591][ T10] [ 1628.413790][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1628.413790][ T10] netdev_get_by_index+0x5e/0x80 [ 1628.413790][ T10] fib6_nh_init+0x3d8/0x1580 [ 1628.413790][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1628.413790][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1628.413790][ T10] ipv6_add_addr+0x411/0x2000 [ 1628.413790][ T10] inet6_addr_add+0x30e/0xa40 [ 1628.413790][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1628.413790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1628.413790][ T10] netlink_rcv_skb+0x130/0x360 [ 1628.413790][ T10] netlink_unicast+0x449/0x710 [ 1628.413790][ T10] netlink_sendmsg+0x723/0xbe0 [ 1628.413790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1628.413790][ T10] ___sys_sendmsg+0xee/0x170 [ 1628.413790][ T10] __sys_sendmsg+0xcd/0x170 [ 1628.413790][ T10] do_syscall_64+0xc6/0x1e0 [ 1628.413790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1628.413790][ T10] [ 1628.416031][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1628.416031][ T10] netdev_get_by_index+0x5e/0x80 [ 1628.416031][ T10] fib6_nh_init+0x3d8/0x1580 [ 1628.416031][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1628.416031][ T10] ip6_route_add+0x1c/0x140 [ 1628.416031][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1628.416031][ T10] addrconf_add_dev+0xe2/0x170 [ 1628.416031][ T10] inet6_addr_add+0x12f/0xa40 [ 1628.416031][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1628.416031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1628.416031][ T10] netlink_rcv_skb+0x130/0x360 [ 1628.416031][ T10] netlink_unicast+0x449/0x710 [ 1628.416031][ T10] netlink_sendmsg+0x723/0xbe0 [ 1628.416031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1628.416031][ T10] ___sys_sendmsg+0xee/0x170 [ 1628.416031][ T10] __sys_sendmsg+0xcd/0x170 [ 1628.416031][ T10] do_syscall_64+0xc6/0x1e0 [ 1628.416031][ T10] [ 1628.418273][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1628.418273][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1628.418273][ T10] ipv6_find_idev+0x102/0x170 [ 1628.418273][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1628.418273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1628.418273][ T10] netlink_rcv_skb+0x130/0x360 [ 1628.418273][ T10] netlink_unicast+0x449/0x710 [ 1628.418273][ T10] netlink_sendmsg+0x723/0xbe0 [ 1628.418273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1628.418273][ T10] ___sys_sendmsg+0xee/0x170 [ 1628.418273][ T10] __sys_sendmsg+0xcd/0x170 [ 1628.418273][ T10] do_syscall_64+0xc6/0x1e0 [ 1628.418273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1628.418273][ T10] [ 1628.419998][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1628.419998][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1628.419998][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1628.419998][ T10] ipv6_find_idev+0x102/0x170 [ 1628.419998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1628.419998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1628.419998][ T10] netlink_rcv_skb+0x130/0x360 [ 1628.419998][ T10] netlink_unicast+0x449/0x710 [ 1628.419998][ T10] netlink_sendmsg+0x723/0xbe0 [ 1628.419998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1628.419998][ T10] ___sys_sendmsg+0xee/0x170 [ 1628.419998][ T10] __sys_sendmsg+0xcd/0x170 [ 1628.419998][ T10] do_syscall_64+0xc6/0x1e0 [ 1628.419998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1628.419998][ T10] [ 1628.421949][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1628.422651][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1628.422651][ T10] netdev_get_by_index+0x5e/0x80 [ 1628.422651][ T10] fib6_nh_init+0x3d8/0x1580 [ 1628.422651][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1628.422651][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1628.422651][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1628.422651][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1628.422651][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1628.422651][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1628.422651][ T10] addrconf_dad_begin+0x310/0x670 [ 1628.422651][ T10] addrconf_dad_work+0x10b/0xab0 [ 1628.422651][ T10] process_one_work+0x84d/0x18a0 [ 1628.422651][ T10] worker_thread+0x587/0xd30 [ 1628.422651][ T10] kthread+0x28a/0x350 [ 1628.422651][ T10] ret_from_fork+0x31/0x70 [ 1628.422651][ T10] ret_from_fork_asm+0x1a/0x30 [ 1628.422651][ T10] [ 1628.424574][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1628.424574][ T10] netdev_get_by_index+0x5e/0x80 [ 1628.424574][ T10] fib6_nh_init+0x3d8/0x1580 [ 1628.424574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1628.424574][ T10] ip6_route_add+0x1c/0x140 [ 1628.424574][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1628.424574][ T10] inet6_addr_add+0x4f8/0xa40 [ 1628.424574][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1628.424574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1628.424574][ T10] netlink_rcv_skb+0x130/0x360 [ 1628.424574][ T10] netlink_unicast+0x449/0x710 [ 1628.424574][ T10] netlink_sendmsg+0x723/0xbe0 [ 1628.424574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1628.424574][ T10] ___sys_sendmsg+0xee/0x170 [ 1628.424574][ T10] __sys_sendmsg+0xcd/0x170 [ 1628.424574][ T10] do_syscall_64+0xc6/0x1e0 [ 1628.424574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1628.424574][ T10] [ 1628.426754][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1628.426754][ T10] netdev_get_by_index+0x5e/0x80 [ 1628.426754][ T10] fib6_nh_init+0x3d8/0x1580 [ 1628.426754][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1628.426754][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1628.426754][ T10] ipv6_add_addr+0x411/0x2000 [ 1628.426754][ T10] inet6_addr_add+0x30e/0xa40 [ 1628.426754][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1628.426754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1628.426754][ T10] netlink_rcv_skb+0x130/0x360 [ 1628.426754][ T10] netlink_unicast+0x449/0x710 [ 1628.426754][ T10] netlink_sendmsg+0x723/0xbe0 [ 1628.426754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1628.426754][ T10] ___sys_sendmsg+0xee/0x170 [ 1628.426754][ T10] __sys_sendmsg+0xcd/0x170 [ 1628.426754][ T10] do_syscall_64+0xc6/0x1e0 [ 1628.426754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1628.426754][ T10] [ 1628.429115][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1628.429115][ T10] netdev_get_by_index+0x5e/0x80 [ 1628.429115][ T10] fib6_nh_init+0x3d8/0x1580 [ 1628.429115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1628.429115][ T10] ip6_route_add+0x1c/0x140 [ 1628.429115][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1628.429115][ T10] addrconf_add_dev+0xe2/0x170 [ 1628.429115][ T10] inet6_addr_add+0x12f/0xa40 [ 1628.429115][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1628.429115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1628.429115][ T10] netlink_rcv_skb+0x130/0x360 [ 1628.429115][ T10] netlink_unicast+0x449/0x710 [ 1628.429115][ T10] netlink_sendmsg+0x723/0xbe0 [ 1628.429115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1628.429115][ T10] ___sys_sendmsg+0xee/0x170 [ 1628.429115][ T10] __sys_sendmsg+0xcd/0x170 [ 1628.429115][ T10] do_syscall_64+0xc6/0x1e0 [ 1628.429115][ T10] [ 1628.432064][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1628.432064][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1628.432064][ T10] ipv6_find_idev+0x102/0x170 [ 1628.432064][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1628.432064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1628.432064][ T10] netlink_rcv_skb+0x130/0x360 [ 1628.432064][ T10] netlink_unicast+0x449/0x710 [ 1628.432064][ T10] netlink_sendmsg+0x723/0xbe0 [ 1628.432064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1628.432064][ T10] ___sys_sendmsg+0xee/0x170 [ 1628.432064][ T10] __sys_sendmsg+0xcd/0x170 [ 1628.432064][ T10] do_syscall_64+0xc6/0x1e0 [ 1628.432064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1628.432064][ T10] [ 1628.433878][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1628.433878][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1628.433878][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1628.433878][ T10] ipv6_find_idev+0x102/0x170 [ 1628.433878][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1628.433878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1628.433878][ T10] netlink_rcv_skb+0x130/0x360 [ 1628.433878][ T10] netlink_unicast+0x449/0x710 [ 1628.433878][ T10] netlink_sendmsg+0x723/0xbe0 [ 1628.433878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1628.433878][ T10] ___sys_sendmsg+0xee/0x170 [ 1628.433878][ T10] __sys_sendmsg+0xcd/0x170 [ 1628.433878][ T10] do_syscall_64+0xc6/0x1e0 [ 1628.433878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1628.433878][ T10] [ 1636.321099][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1636.321588][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1636.321588][ T1167] dst_init+0x84/0x4a0 [ 1636.321588][ T1167] dst_alloc+0x97/0x150 [ 1636.321588][ T1167] ip6_dst_alloc+0x23/0x90 [ 1636.321588][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1636.321588][ T1167] ip6_pol_route+0x56f/0x840 [ 1636.321588][ T1167] fib6_rule_lookup+0x334/0x630 [ 1636.321588][ T1167] ip6_route_output_flags+0x259/0x480 [ 1636.321588][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1636.321588][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1636.321588][ T1167] netlink_rcv_skb+0x130/0x360 [ 1636.321588][ T1167] netlink_unicast+0x449/0x710 [ 1636.321588][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1636.321588][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1636.321588][ T1167] ___sys_sendmsg+0xee/0x170 [ 1636.321588][ T1167] __sys_sendmsg+0xcd/0x170 [ 1636.321588][ T1167] do_syscall_64+0xc6/0x1e0 [ 1636.321588][ T1167] [ 1636.323903][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1636.323903][ T1167] netdev_get_by_index+0x5e/0x80 [ 1636.323903][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1636.323903][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1636.323903][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1636.323903][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1636.323903][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1636.323903][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1636.323903][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1636.323903][ T1167] addrconf_dad_begin+0x310/0x670 [ 1636.323903][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1636.323903][ T1167] process_one_work+0x84d/0x18a0 [ 1636.323903][ T1167] worker_thread+0x587/0xd30 [ 1636.323903][ T1167] kthread+0x28a/0x350 [ 1636.323903][ T1167] ret_from_fork+0x31/0x70 [ 1636.323903][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1636.323903][ T1167] [ 1636.326184][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1636.326184][ T1167] netdev_get_by_index+0x5e/0x80 [ 1636.326184][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1636.326184][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1636.326184][ T1167] ip6_route_add+0x1c/0x140 [ 1636.326184][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1636.326184][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1636.326184][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1636.326184][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.326184][ T1167] netlink_rcv_skb+0x130/0x360 [ 1636.326184][ T1167] netlink_unicast+0x449/0x710 [ 1636.326184][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1636.326184][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1636.326184][ T1167] ___sys_sendmsg+0xee/0x170 [ 1636.326184][ T1167] __sys_sendmsg+0xcd/0x170 [ 1636.326184][ T1167] do_syscall_64+0xc6/0x1e0 [ 1636.326184][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.326184][ T1167] [ 1636.328548][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1636.328548][ T1167] netdev_get_by_index+0x5e/0x80 [ 1636.328548][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1636.328548][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1636.328548][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1636.328548][ T1167] ipv6_add_addr+0x411/0x2000 [ 1636.328548][ T1167] inet6_addr_add+0x30e/0xa40 [ 1636.328548][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1636.328548][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.328548][ T1167] netlink_rcv_skb+0x130/0x360 [ 1636.328548][ T1167] netlink_unicast+0x449/0x710 [ 1636.328548][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1636.328548][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1636.328548][ T1167] ___sys_sendmsg+0xee/0x170 [ 1636.328548][ T1167] __sys_sendmsg+0xcd/0x170 [ 1636.328548][ T1167] do_syscall_64+0xc6/0x1e0 [ 1636.328548][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.328548][ T1167] [ 1636.330952][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1636.330952][ T1167] netdev_get_by_index+0x5e/0x80 [ 1636.330952][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1636.330952][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1636.330952][ T1167] ip6_route_add+0x1c/0x140 [ 1636.330952][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1636.330952][ T1167] addrconf_add_dev+0xe2/0x170 [ 1636.330952][ T1167] inet6_addr_add+0x12f/0xa40 [ 1636.330952][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1636.330952][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.330952][ T1167] netlink_rcv_skb+0x130/0x360 [ 1636.330952][ T1167] netlink_unicast+0x449/0x710 [ 1636.330952][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1636.330952][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1636.330952][ T1167] ___sys_sendmsg+0xee/0x170 [ 1636.330952][ T1167] __sys_sendmsg+0xcd/0x170 [ 1636.330952][ T1167] do_syscall_64+0xc6/0x1e0 [ 1636.330952][ T1167] [ 1636.333290][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1636.333290][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1636.333290][ T1167] ipv6_find_idev+0x102/0x170 [ 1636.333290][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1636.333290][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.333290][ T1167] netlink_rcv_skb+0x130/0x360 [ 1636.333290][ T1167] netlink_unicast+0x449/0x710 [ 1636.333290][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1636.333290][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1636.333290][ T1167] ___sys_sendmsg+0xee/0x170 [ 1636.333290][ T1167] __sys_sendmsg+0xcd/0x170 [ 1636.333290][ T1167] do_syscall_64+0xc6/0x1e0 [ 1636.333290][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.333290][ T1167] [ 1636.335104][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1636.335104][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1636.335104][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1636.335104][ T1167] ipv6_find_idev+0x102/0x170 [ 1636.335104][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1636.335104][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.335104][ T1167] netlink_rcv_skb+0x130/0x360 [ 1636.335104][ T1167] netlink_unicast+0x449/0x710 [ 1636.335104][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1636.335104][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1636.335104][ T1167] ___sys_sendmsg+0xee/0x170 [ 1636.335104][ T1167] __sys_sendmsg+0xcd/0x170 [ 1636.335104][ T1167] do_syscall_64+0xc6/0x1e0 [ 1636.335104][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.335104][ T1167] [ 1638.673091][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1638.673623][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1638.673623][ T10] netdev_get_by_index+0x5e/0x80 [ 1638.673623][ T10] fib6_nh_init+0x3d8/0x1580 [ 1638.673623][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1638.673623][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1638.673623][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1638.673623][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1638.673623][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1638.673623][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1638.673623][ T10] addrconf_dad_begin+0x310/0x670 [ 1638.673623][ T10] addrconf_dad_work+0x10b/0xab0 [ 1638.673623][ T10] process_one_work+0x84d/0x18a0 [ 1638.673623][ T10] worker_thread+0x587/0xd30 [ 1638.673623][ T10] kthread+0x28a/0x350 [ 1638.673623][ T10] ret_from_fork+0x31/0x70 [ 1638.673623][ T10] ret_from_fork_asm+0x1a/0x30 [ 1638.673623][ T10] [ 1638.675684][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1638.675684][ T10] netdev_get_by_index+0x5e/0x80 [ 1638.675684][ T10] fib6_nh_init+0x3d8/0x1580 [ 1638.675684][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1638.675684][ T10] ip6_route_add+0x1c/0x140 [ 1638.675684][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1638.675684][ T10] inet6_addr_add+0x4f8/0xa40 [ 1638.675684][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1638.675684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1638.675684][ T10] netlink_rcv_skb+0x130/0x360 [ 1638.675684][ T10] netlink_unicast+0x449/0x710 [ 1638.675684][ T10] netlink_sendmsg+0x723/0xbe0 [ 1638.675684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1638.675684][ T10] ___sys_sendmsg+0xee/0x170 [ 1638.675684][ T10] __sys_sendmsg+0xcd/0x170 [ 1638.675684][ T10] do_syscall_64+0xc6/0x1e0 [ 1638.675684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1638.675684][ T10] [ 1638.677821][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1638.677821][ T10] netdev_get_by_index+0x5e/0x80 [ 1638.677821][ T10] fib6_nh_init+0x3d8/0x1580 [ 1638.677821][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1638.677821][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1638.677821][ T10] ipv6_add_addr+0x411/0x2000 [ 1638.677821][ T10] inet6_addr_add+0x30e/0xa40 [ 1638.677821][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1638.677821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1638.677821][ T10] netlink_rcv_skb+0x130/0x360 [ 1638.677821][ T10] netlink_unicast+0x449/0x710 [ 1638.677821][ T10] netlink_sendmsg+0x723/0xbe0 [ 1638.677821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1638.677821][ T10] ___sys_sendmsg+0xee/0x170 [ 1638.677821][ T10] __sys_sendmsg+0xcd/0x170 [ 1638.677821][ T10] do_syscall_64+0xc6/0x1e0 [ 1638.677821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1638.677821][ T10] [ 1638.679953][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1638.679953][ T10] netdev_get_by_index+0x5e/0x80 [ 1638.679953][ T10] fib6_nh_init+0x3d8/0x1580 [ 1638.679953][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1638.679953][ T10] ip6_route_add+0x1c/0x140 [ 1638.679953][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1638.679953][ T10] addrconf_add_dev+0xe2/0x170 [ 1638.679953][ T10] inet6_addr_add+0x12f/0xa40 [ 1638.679953][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1638.679953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1638.679953][ T10] netlink_rcv_skb+0x130/0x360 [ 1638.679953][ T10] netlink_unicast+0x449/0x710 [ 1638.679953][ T10] netlink_sendmsg+0x723/0xbe0 [ 1638.679953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1638.679953][ T10] ___sys_sendmsg+0xee/0x170 [ 1638.679953][ T10] __sys_sendmsg+0xcd/0x170 [ 1638.679953][ T10] do_syscall_64+0xc6/0x1e0 [ 1638.679953][ T10] [ 1638.682055][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1638.682055][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1638.682055][ T10] ipv6_find_idev+0x102/0x170 [ 1638.682055][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1638.682055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1638.682055][ T10] netlink_rcv_skb+0x130/0x360 [ 1638.682055][ T10] netlink_unicast+0x449/0x710 [ 1638.682055][ T10] netlink_sendmsg+0x723/0xbe0 [ 1638.682055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1638.682055][ T10] ___sys_sendmsg+0xee/0x170 [ 1638.682055][ T10] __sys_sendmsg+0xcd/0x170 [ 1638.682055][ T10] do_syscall_64+0xc6/0x1e0 [ 1638.682055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1638.682055][ T10] [ 1638.683688][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1638.683688][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1638.683688][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1638.683688][ T10] ipv6_find_idev+0x102/0x170 [ 1638.683688][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1638.683688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1638.683688][ T10] netlink_rcv_skb+0x130/0x360 [ 1638.683688][ T10] netlink_unicast+0x449/0x710 [ 1638.683688][ T10] netlink_sendmsg+0x723/0xbe0 [ 1638.683688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1638.683688][ T10] ___sys_sendmsg+0xee/0x170 [ 1638.683688][ T10] __sys_sendmsg+0xcd/0x170 [ 1638.683688][ T10] do_syscall_64+0xc6/0x1e0 [ 1638.683688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1638.683688][ T10] [ 1638.685548][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1638.685822][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1638.685822][ T10] netdev_get_by_index+0x5e/0x80 [ 1638.685822][ T10] fib6_nh_init+0x3d8/0x1580 [ 1638.685822][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1638.685822][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1638.685822][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1638.685822][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1638.685822][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1638.685822][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1638.685822][ T10] addrconf_dad_begin+0x310/0x670 [ 1638.685822][ T10] addrconf_dad_work+0x10b/0xab0 [ 1638.685822][ T10] process_one_work+0x84d/0x18a0 [ 1638.685822][ T10] worker_thread+0x587/0xd30 [ 1638.685822][ T10] kthread+0x28a/0x350 [ 1638.685822][ T10] ret_from_fork+0x31/0x70 [ 1638.685822][ T10] ret_from_fork_asm+0x1a/0x30 [ 1638.685822][ T10] [ 1638.687851][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1638.687851][ T10] netdev_get_by_index+0x5e/0x80 [ 1638.687851][ T10] fib6_nh_init+0x3d8/0x1580 [ 1638.687851][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1638.687851][ T10] ip6_route_add+0x1c/0x140 [ 1638.687851][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1638.687851][ T10] inet6_addr_add+0x4f8/0xa40 [ 1638.687851][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1638.687851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1638.687851][ T10] netlink_rcv_skb+0x130/0x360 [ 1638.687851][ T10] netlink_unicast+0x449/0x710 [ 1638.687851][ T10] netlink_sendmsg+0x723/0xbe0 [ 1638.687851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1638.687851][ T10] ___sys_sendmsg+0xee/0x170 [ 1638.687851][ T10] __sys_sendmsg+0xcd/0x170 [ 1638.687851][ T10] do_syscall_64+0xc6/0x1e0 [ 1638.687851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1638.687851][ T10] [ 1638.689965][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1638.689965][ T10] netdev_get_by_index+0x5e/0x80 [ 1638.689965][ T10] fib6_nh_init+0x3d8/0x1580 [ 1638.689965][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1638.689965][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1638.689965][ T10] ipv6_add_addr+0x411/0x2000 [ 1638.689965][ T10] inet6_addr_add+0x30e/0xa40 [ 1638.689965][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1638.689965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1638.689965][ T10] netlink_rcv_skb+0x130/0x360 [ 1638.689965][ T10] netlink_unicast+0x449/0x710 [ 1638.689965][ T10] netlink_sendmsg+0x723/0xbe0 [ 1638.689965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1638.689965][ T10] ___sys_sendmsg+0xee/0x170 [ 1638.689965][ T10] __sys_sendmsg+0xcd/0x170 [ 1638.689965][ T10] do_syscall_64+0xc6/0x1e0 [ 1638.689965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1638.689965][ T10] [ 1638.692105][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1638.692105][ T10] netdev_get_by_index+0x5e/0x80 [ 1638.692105][ T10] fib6_nh_init+0x3d8/0x1580 [ 1638.692105][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1638.692105][ T10] ip6_route_add+0x1c/0x140 [ 1638.692105][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1638.692105][ T10] addrconf_add_dev+0xe2/0x170 [ 1638.692105][ T10] inet6_addr_add+0x12f/0xa40 [ 1638.692105][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1638.692105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1638.692105][ T10] netlink_rcv_skb+0x130/0x360 [ 1638.692105][ T10] netlink_unicast+0x449/0x710 [ 1638.692105][ T10] netlink_sendmsg+0x723/0xbe0 [ 1638.692105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1638.692105][ T10] ___sys_sendmsg+0xee/0x170 [ 1638.692105][ T10] __sys_sendmsg+0xcd/0x170 [ 1638.692105][ T10] do_syscall_64+0xc6/0x1e0 [ 1638.692105][ T10] [ 1638.694128][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1638.694128][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1638.694128][ T10] ipv6_find_idev+0x102/0x170 [ 1638.694128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1638.694128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1638.694128][ T10] netlink_rcv_skb+0x130/0x360 [ 1638.694128][ T10] netlink_unicast+0x449/0x710 [ 1638.694128][ T10] netlink_sendmsg+0x723/0xbe0 [ 1638.694128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1638.694128][ T10] ___sys_sendmsg+0xee/0x170 [ 1638.694128][ T10] __sys_sendmsg+0xcd/0x170 [ 1638.694128][ T10] do_syscall_64+0xc6/0x1e0 [ 1638.694128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1638.694128][ T10] [ 1638.695700][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1638.695700][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1638.695700][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1638.695700][ T10] ipv6_find_idev+0x102/0x170 [ 1638.695700][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1638.695700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1638.695700][ T10] netlink_rcv_skb+0x130/0x360 [ 1638.695700][ T10] netlink_unicast+0x449/0x710 [ 1638.695700][ T10] netlink_sendmsg+0x723/0xbe0 [ 1638.695700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1638.695700][ T10] ___sys_sendmsg+0xee/0x170 [ 1638.695700][ T10] __sys_sendmsg+0xcd/0x170 [ 1638.695700][ T10] do_syscall_64+0xc6/0x1e0 [ 1638.695700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1638.695700][ T10] [ 1638.697441][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1638.697710][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1638.697710][ T10] netdev_get_by_index+0x5e/0x80 [ 1638.697710][ T10] fib6_nh_init+0x3d8/0x1580 [ 1638.697710][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1638.697710][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1638.697710][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1638.697710][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1638.697710][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1638.697710][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1638.697710][ T10] addrconf_dad_begin+0x310/0x670 [ 1638.697710][ T10] addrconf_dad_work+0x10b/0xab0 [ 1638.697710][ T10] process_one_work+0x84d/0x18a0 [ 1638.697710][ T10] worker_thread+0x587/0xd30 [ 1638.697710][ T10] kthread+0x28a/0x350 [ 1638.697710][ T10] ret_from_fork+0x31/0x70 [ 1638.697710][ T10] ret_from_fork_asm+0x1a/0x30 [ 1638.697710][ T10] [ 1638.699653][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1638.699653][ T10] netdev_get_by_index+0x5e/0x80 [ 1638.699653][ T10] fib6_nh_init+0x3d8/0x1580 [ 1638.699653][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1638.699653][ T10] ip6_route_add+0x1c/0x140 [ 1638.699653][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1638.699653][ T10] inet6_addr_add+0x4f8/0xa40 [ 1638.699653][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1638.699653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1638.699653][ T10] netlink_rcv_skb+0x130/0x360 [ 1638.699653][ T10] netlink_unicast+0x449/0x710 [ 1638.699653][ T10] netlink_sendmsg+0x723/0xbe0 [ 1638.699653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1638.699653][ T10] ___sys_sendmsg+0xee/0x170 [ 1638.699653][ T10] __sys_sendmsg+0xcd/0x170 [ 1638.699653][ T10] do_syscall_64+0xc6/0x1e0 [ 1638.699653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1638.699653][ T10] [ 1638.701818][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1638.701818][ T10] netdev_get_by_index+0x5e/0x80 [ 1638.701818][ T10] fib6_nh_init+0x3d8/0x1580 [ 1638.701818][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1638.701818][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1638.701818][ T10] ipv6_add_addr+0x411/0x2000 [ 1638.701818][ T10] inet6_addr_add+0x30e/0xa40 [ 1638.701818][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1638.701818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1638.701818][ T10] netlink_rcv_skb+0x130/0x360 [ 1638.701818][ T10] netlink_unicast+0x449/0x710 [ 1638.701818][ T10] netlink_sendmsg+0x723/0xbe0 [ 1638.701818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1638.701818][ T10] ___sys_sendmsg+0xee/0x170 [ 1638.701818][ T10] __sys_sendmsg+0xcd/0x170 [ 1638.701818][ T10] do_syscall_64+0xc6/0x1e0 [ 1638.701818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1638.701818][ T10] [ 1638.703969][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1638.703969][ T10] netdev_get_by_index+0x5e/0x80 [ 1638.703969][ T10] fib6_nh_init+0x3d8/0x1580 [ 1638.703969][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1638.703969][ T10] ip6_route_add+0x1c/0x140 [ 1638.703969][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1638.703969][ T10] addrconf_add_dev+0xe2/0x170 [ 1638.703969][ T10] inet6_addr_add+0x12f/0xa40 [ 1638.703969][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1638.703969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1638.703969][ T10] netlink_rcv_skb+0x130/0x360 [ 1638.703969][ T10] netlink_unicast+0x449/0x710 [ 1638.703969][ T10] netlink_sendmsg+0x723/0xbe0 [ 1638.703969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1638.703969][ T10] ___sys_sendmsg+0xee/0x170 [ 1638.703969][ T10] __sys_sendmsg+0xcd/0x170 [ 1638.703969][ T10] do_syscall_64+0xc6/0x1e0 [ 1638.703969][ T10] [ 1638.706109][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1638.706109][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1638.706109][ T10] ipv6_find_idev+0x102/0x170 [ 1638.706109][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1638.706109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1638.706109][ T10] netlink_rcv_skb+0x130/0x360 [ 1638.706109][ T10] netlink_unicast+0x449/0x710 [ 1638.706109][ T10] netlink_sendmsg+0x723/0xbe0 [ 1638.706109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1638.706109][ T10] ___sys_sendmsg+0xee/0x170 [ 1638.706109][ T10] __sys_sendmsg+0xcd/0x170 [ 1638.706109][ T10] do_syscall_64+0xc6/0x1e0 [ 1638.706109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1638.706109][ T10] [ 1638.707809][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1638.707809][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1638.707809][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1638.707809][ T10] ipv6_find_idev+0x102/0x170 [ 1638.707809][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1638.707809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1638.707809][ T10] netlink_rcv_skb+0x130/0x360 [ 1638.707809][ T10] netlink_unicast+0x449/0x710 [ 1638.707809][ T10] netlink_sendmsg+0x723/0xbe0 [ 1638.707809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1638.707809][ T10] ___sys_sendmsg+0xee/0x170 [ 1638.707809][ T10] __sys_sendmsg+0xcd/0x170 [ 1638.707809][ T10] do_syscall_64+0xc6/0x1e0 [ 1638.707809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1638.707809][ T10] [ 1638.709614][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1638.709864][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1638.709864][ T10] netdev_get_by_index+0x5e/0x80 [ 1638.709864][ T10] fib6_nh_init+0x3d8/0x1580 [ 1638.709864][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1638.709864][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1638.709864][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1638.709864][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1638.709864][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1638.709864][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1638.709864][ T10] addrconf_dad_begin+0x310/0x670 [ 1638.709864][ T10] addrconf_dad_work+0x10b/0xab0 [ 1638.709864][ T10] process_one_work+0x84d/0x18a0 [ 1638.709864][ T10] worker_thread+0x587/0xd30 [ 1638.709864][ T10] kthread+0x28a/0x350 [ 1638.709864][ T10] ret_from_fork+0x31/0x70 [ 1638.709864][ T10] ret_from_fork_asm+0x1a/0x30 [ 1638.709864][ T10] [ 1638.711947][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1638.711947][ T10] netdev_get_by_index+0x5e/0x80 [ 1638.711947][ T10] fib6_nh_init+0x3d8/0x1580 [ 1638.711947][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1638.711947][ T10] ip6_route_add+0x1c/0x140 [ 1638.711947][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1638.711947][ T10] inet6_addr_add+0x4f8/0xa40 [ 1638.711947][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1638.711947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1638.711947][ T10] netlink_rcv_skb+0x130/0x360 [ 1638.711947][ T10] netlink_unicast+0x449/0x710 [ 1638.711947][ T10] netlink_sendmsg+0x723/0xbe0 [ 1638.711947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1638.711947][ T10] ___sys_sendmsg+0xee/0x170 [ 1638.711947][ T10] __sys_sendmsg+0xcd/0x170 [ 1638.711947][ T10] do_syscall_64+0xc6/0x1e0 [ 1638.711947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1638.711947][ T10] [ 1638.714118][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1638.714118][ T10] netdev_get_by_index+0x5e/0x80 [ 1638.714118][ T10] fib6_nh_init+0x3d8/0x1580 [ 1638.714118][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1638.714118][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1638.714118][ T10] ipv6_add_addr+0x411/0x2000 [ 1638.714118][ T10] inet6_addr_add+0x30e/0xa40 [ 1638.714118][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1638.714118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1638.714118][ T10] netlink_rcv_skb+0x130/0x360 [ 1638.714118][ T10] netlink_unicast+0x449/0x710 [ 1638.714118][ T10] netlink_sendmsg+0x723/0xbe0 [ 1638.714118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1638.714118][ T10] ___sys_sendmsg+0xee/0x170 [ 1638.714118][ T10] __sys_sendmsg+0xcd/0x170 [ 1638.714118][ T10] do_syscall_64+0xc6/0x1e0 [ 1638.714118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1638.714118][ T10] [ 1638.716287][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1638.716287][ T10] netdev_get_by_index+0x5e/0x80 [ 1638.716287][ T10] fib6_nh_init+0x3d8/0x1580 [ 1638.716287][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1638.716287][ T10] ip6_route_add+0x1c/0x140 [ 1638.716287][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1638.716287][ T10] addrconf_add_dev+0xe2/0x170 [ 1638.716287][ T10] inet6_addr_add+0x12f/0xa40 [ 1638.716287][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1638.716287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1638.716287][ T10] netlink_rcv_skb+0x130/0x360 [ 1638.716287][ T10] netlink_unicast+0x449/0x710 [ 1638.716287][ T10] netlink_sendmsg+0x723/0xbe0 [ 1638.716287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1638.716287][ T10] ___sys_sendmsg+0xee/0x170 [ 1638.716287][ T10] __sys_sendmsg+0xcd/0x170 [ 1638.716287][ T10] do_syscall_64+0xc6/0x1e0 [ 1638.716287][ T10] [ 1638.718431][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1638.718431][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1638.718431][ T10] ipv6_find_idev+0x102/0x170 [ 1638.718431][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1638.718431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1638.718431][ T10] netlink_rcv_skb+0x130/0x360 [ 1638.718431][ T10] netlink_unicast+0x449/0x710 [ 1638.718431][ T10] netlink_sendmsg+0x723/0xbe0 [ 1638.718431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1638.718431][ T10] ___sys_sendmsg+0xee/0x170 [ 1638.718431][ T10] __sys_sendmsg+0xcd/0x170 [ 1638.718431][ T10] do_syscall_64+0xc6/0x1e0 [ 1638.718431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1638.718431][ T10] [ 1638.720070][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1638.720070][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1638.720070][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1638.720070][ T10] ipv6_find_idev+0x102/0x170 [ 1638.720070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1638.720070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1638.720070][ T10] netlink_rcv_skb+0x130/0x360 [ 1638.720070][ T10] netlink_unicast+0x449/0x710 [ 1638.720070][ T10] netlink_sendmsg+0x723/0xbe0 [ 1638.720070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1638.720070][ T10] ___sys_sendmsg+0xee/0x170 [ 1638.720070][ T10] __sys_sendmsg+0xcd/0x170 [ 1638.720070][ T10] do_syscall_64+0xc6/0x1e0 [ 1638.720070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1638.720070][ T10] [ 1646.345253][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1646.345714][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1646.345714][ T1167] dst_init+0x84/0x4a0 [ 1646.345714][ T1167] dst_alloc+0x97/0x150 [ 1646.345714][ T1167] ip6_dst_alloc+0x23/0x90 [ 1646.345714][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1646.345714][ T1167] ip6_pol_route+0x56f/0x840 [ 1646.345714][ T1167] fib6_rule_lookup+0x334/0x630 [ 1646.345714][ T1167] ip6_route_output_flags+0x259/0x480 [ 1646.345714][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1646.345714][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1646.345714][ T1167] netlink_rcv_skb+0x130/0x360 [ 1646.345714][ T1167] netlink_unicast+0x449/0x710 [ 1646.345714][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1646.345714][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1646.345714][ T1167] ___sys_sendmsg+0xee/0x170 [ 1646.345714][ T1167] __sys_sendmsg+0xcd/0x170 [ 1646.345714][ T1167] do_syscall_64+0xc6/0x1e0 [ 1646.345714][ T1167] [ 1646.347923][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1646.347923][ T1167] netdev_get_by_index+0x5e/0x80 [ 1646.347923][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1646.347923][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1646.347923][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1646.347923][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1646.347923][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1646.347923][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1646.347923][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1646.347923][ T1167] addrconf_dad_begin+0x310/0x670 [ 1646.347923][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1646.347923][ T1167] process_one_work+0x84d/0x18a0 [ 1646.347923][ T1167] worker_thread+0x587/0xd30 [ 1646.347923][ T1167] kthread+0x28a/0x350 [ 1646.347923][ T1167] ret_from_fork+0x31/0x70 [ 1646.347923][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1646.347923][ T1167] [ 1646.350074][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1646.350074][ T1167] netdev_get_by_index+0x5e/0x80 [ 1646.350074][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1646.350074][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1646.350074][ T1167] ip6_route_add+0x1c/0x140 [ 1646.350074][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1646.350074][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1646.350074][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1646.350074][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.350074][ T1167] netlink_rcv_skb+0x130/0x360 [ 1646.350074][ T1167] netlink_unicast+0x449/0x710 [ 1646.350074][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1646.350074][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1646.350074][ T1167] ___sys_sendmsg+0xee/0x170 [ 1646.350074][ T1167] __sys_sendmsg+0xcd/0x170 [ 1646.350074][ T1167] do_syscall_64+0xc6/0x1e0 [ 1646.350074][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.350074][ T1167] [ 1646.352344][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1646.352344][ T1167] netdev_get_by_index+0x5e/0x80 [ 1646.352344][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1646.352344][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1646.352344][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1646.352344][ T1167] ipv6_add_addr+0x411/0x2000 [ 1646.352344][ T1167] inet6_addr_add+0x30e/0xa40 [ 1646.352344][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1646.352344][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.352344][ T1167] netlink_rcv_skb+0x130/0x360 [ 1646.352344][ T1167] netlink_unicast+0x449/0x710 [ 1646.352344][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1646.352344][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1646.352344][ T1167] ___sys_sendmsg+0xee/0x170 [ 1646.352344][ T1167] __sys_sendmsg+0xcd/0x170 [ 1646.352344][ T1167] do_syscall_64+0xc6/0x1e0 [ 1646.352344][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.352344][ T1167] [ 1646.354614][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1646.354614][ T1167] netdev_get_by_index+0x5e/0x80 [ 1646.354614][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1646.354614][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1646.354614][ T1167] ip6_route_add+0x1c/0x140 [ 1646.354614][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1646.354614][ T1167] addrconf_add_dev+0xe2/0x170 [ 1646.354614][ T1167] inet6_addr_add+0x12f/0xa40 [ 1646.354614][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1646.354614][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.354614][ T1167] netlink_rcv_skb+0x130/0x360 [ 1646.354614][ T1167] netlink_unicast+0x449/0x710 [ 1646.354614][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1646.354614][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1646.354614][ T1167] ___sys_sendmsg+0xee/0x170 [ 1646.354614][ T1167] __sys_sendmsg+0xcd/0x170 [ 1646.354614][ T1167] do_syscall_64+0xc6/0x1e0 [ 1646.354614][ T1167] [ 1646.356862][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1646.356862][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1646.356862][ T1167] ipv6_find_idev+0x102/0x170 [ 1646.356862][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1646.356862][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.356862][ T1167] netlink_rcv_skb+0x130/0x360 [ 1646.356862][ T1167] netlink_unicast+0x449/0x710 [ 1646.356862][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1646.356862][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1646.356862][ T1167] ___sys_sendmsg+0xee/0x170 [ 1646.356862][ T1167] __sys_sendmsg+0xcd/0x170 [ 1646.356862][ T1167] do_syscall_64+0xc6/0x1e0 [ 1646.356862][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.356862][ T1167] [ 1646.358592][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1646.358592][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1646.358592][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1646.358592][ T1167] ipv6_find_idev+0x102/0x170 [ 1646.358592][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1646.358592][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.358592][ T1167] netlink_rcv_skb+0x130/0x360 [ 1646.358592][ T1167] netlink_unicast+0x449/0x710 [ 1646.358592][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1646.358592][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1646.358592][ T1167] ___sys_sendmsg+0xee/0x170 [ 1646.358592][ T1167] __sys_sendmsg+0xcd/0x170 [ 1646.358592][ T1167] do_syscall_64+0xc6/0x1e0 [ 1646.358592][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.358592][ T1167] [ 1648.969074][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1648.969478][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1648.969478][ T10] netdev_get_by_index+0x5e/0x80 [ 1648.969478][ T10] fib6_nh_init+0x3d8/0x1580 [ 1648.969478][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1648.969478][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1648.969478][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1648.969478][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1648.969478][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1648.969478][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1648.969478][ T10] addrconf_dad_begin+0x310/0x670 [ 1648.969478][ T10] addrconf_dad_work+0x10b/0xab0 [ 1648.969478][ T10] process_one_work+0x84d/0x18a0 [ 1648.969478][ T10] worker_thread+0x587/0xd30 [ 1648.969478][ T10] kthread+0x28a/0x350 [ 1648.969478][ T10] ret_from_fork+0x31/0x70 [ 1648.969478][ T10] ret_from_fork_asm+0x1a/0x30 [ 1648.969478][ T10] [ 1648.971446][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1648.971446][ T10] netdev_get_by_index+0x5e/0x80 [ 1648.971446][ T10] fib6_nh_init+0x3d8/0x1580 [ 1648.971446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1648.971446][ T10] ip6_route_add+0x1c/0x140 [ 1648.971446][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1648.971446][ T10] inet6_addr_add+0x4f8/0xa40 [ 1648.971446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1648.971446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1648.971446][ T10] netlink_rcv_skb+0x130/0x360 [ 1648.971446][ T10] netlink_unicast+0x449/0x710 [ 1648.971446][ T10] netlink_sendmsg+0x723/0xbe0 [ 1648.971446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1648.971446][ T10] ___sys_sendmsg+0xee/0x170 [ 1648.971446][ T10] __sys_sendmsg+0xcd/0x170 [ 1648.971446][ T10] do_syscall_64+0xc6/0x1e0 [ 1648.971446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1648.971446][ T10] [ 1648.973458][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1648.973458][ T10] netdev_get_by_index+0x5e/0x80 [ 1648.973458][ T10] fib6_nh_init+0x3d8/0x1580 [ 1648.973458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1648.973458][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1648.973458][ T10] ipv6_add_addr+0x411/0x2000 [ 1648.973458][ T10] inet6_addr_add+0x30e/0xa40 [ 1648.973458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1648.973458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1648.973458][ T10] netlink_rcv_skb+0x130/0x360 [ 1648.973458][ T10] netlink_unicast+0x449/0x710 [ 1648.973458][ T10] netlink_sendmsg+0x723/0xbe0 [ 1648.973458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1648.973458][ T10] ___sys_sendmsg+0xee/0x170 [ 1648.973458][ T10] __sys_sendmsg+0xcd/0x170 [ 1648.973458][ T10] do_syscall_64+0xc6/0x1e0 [ 1648.973458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1648.973458][ T10] [ 1648.975469][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1648.975469][ T10] netdev_get_by_index+0x5e/0x80 [ 1648.975469][ T10] fib6_nh_init+0x3d8/0x1580 [ 1648.975469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1648.975469][ T10] ip6_route_add+0x1c/0x140 [ 1648.975469][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1648.975469][ T10] addrconf_add_dev+0xe2/0x170 [ 1648.975469][ T10] inet6_addr_add+0x12f/0xa40 [ 1648.975469][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1648.975469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1648.975469][ T10] netlink_rcv_skb+0x130/0x360 [ 1648.975469][ T10] netlink_unicast+0x449/0x710 [ 1648.975469][ T10] netlink_sendmsg+0x723/0xbe0 [ 1648.975469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1648.975469][ T10] ___sys_sendmsg+0xee/0x170 [ 1648.975469][ T10] __sys_sendmsg+0xcd/0x170 [ 1648.975469][ T10] do_syscall_64+0xc6/0x1e0 [ 1648.975469][ T10] [ 1648.977445][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1648.977445][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1648.977445][ T10] ipv6_find_idev+0x102/0x170 [ 1648.977445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1648.977445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1648.977445][ T10] netlink_rcv_skb+0x130/0x360 [ 1648.977445][ T10] netlink_unicast+0x449/0x710 [ 1648.977445][ T10] netlink_sendmsg+0x723/0xbe0 [ 1648.977445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1648.977445][ T10] ___sys_sendmsg+0xee/0x170 [ 1648.977445][ T10] __sys_sendmsg+0xcd/0x170 [ 1648.977445][ T10] do_syscall_64+0xc6/0x1e0 [ 1648.977445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1648.977445][ T10] [ 1648.978995][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1648.978995][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1648.978995][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1648.978995][ T10] ipv6_find_idev+0x102/0x170 [ 1648.978995][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1648.978995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1648.978995][ T10] netlink_rcv_skb+0x130/0x360 [ 1648.978995][ T10] netlink_unicast+0x449/0x710 [ 1648.978995][ T10] netlink_sendmsg+0x723/0xbe0 [ 1648.978995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1648.978995][ T10] ___sys_sendmsg+0xee/0x170 [ 1648.978995][ T10] __sys_sendmsg+0xcd/0x170 [ 1648.978995][ T10] do_syscall_64+0xc6/0x1e0 [ 1648.978995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1648.978995][ T10] [ 1648.980731][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1648.980985][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1648.980985][ T10] netdev_get_by_index+0x5e/0x80 [ 1648.980985][ T10] fib6_nh_init+0x3d8/0x1580 [ 1648.980985][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1648.980985][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1648.980985][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1648.980985][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1648.980985][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1648.980985][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1648.980985][ T10] addrconf_dad_begin+0x310/0x670 [ 1648.980985][ T10] addrconf_dad_work+0x10b/0xab0 [ 1648.980985][ T10] process_one_work+0x84d/0x18a0 [ 1648.980985][ T10] worker_thread+0x587/0xd30 [ 1648.980985][ T10] kthread+0x28a/0x350 [ 1648.980985][ T10] ret_from_fork+0x31/0x70 [ 1648.980985][ T10] ret_from_fork_asm+0x1a/0x30 [ 1648.980985][ T10] [ 1648.982909][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1648.982909][ T10] netdev_get_by_index+0x5e/0x80 [ 1648.982909][ T10] fib6_nh_init+0x3d8/0x1580 [ 1648.982909][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1648.982909][ T10] ip6_route_add+0x1c/0x140 [ 1648.982909][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1648.982909][ T10] inet6_addr_add+0x4f8/0xa40 [ 1648.982909][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1648.982909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1648.982909][ T10] netlink_rcv_skb+0x130/0x360 [ 1648.982909][ T10] netlink_unicast+0x449/0x710 [ 1648.982909][ T10] netlink_sendmsg+0x723/0xbe0 [ 1648.982909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1648.982909][ T10] ___sys_sendmsg+0xee/0x170 [ 1648.982909][ T10] __sys_sendmsg+0xcd/0x170 [ 1648.982909][ T10] do_syscall_64+0xc6/0x1e0 [ 1648.982909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1648.982909][ T10] [ 1648.984916][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1648.984916][ T10] netdev_get_by_index+0x5e/0x80 [ 1648.984916][ T10] fib6_nh_init+0x3d8/0x1580 [ 1648.984916][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1648.984916][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1648.984916][ T10] ipv6_add_addr+0x411/0x2000 [ 1648.984916][ T10] inet6_addr_add+0x30e/0xa40 [ 1648.984916][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1648.984916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1648.984916][ T10] netlink_rcv_skb+0x130/0x360 [ 1648.984916][ T10] netlink_unicast+0x449/0x710 [ 1648.984916][ T10] netlink_sendmsg+0x723/0xbe0 [ 1648.984916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1648.984916][ T10] ___sys_sendmsg+0xee/0x170 [ 1648.984916][ T10] __sys_sendmsg+0xcd/0x170 [ 1648.984916][ T10] do_syscall_64+0xc6/0x1e0 [ 1648.984916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1648.984916][ T10] [ 1648.986918][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1648.986918][ T10] netdev_get_by_index+0x5e/0x80 [ 1648.986918][ T10] fib6_nh_init+0x3d8/0x1580 [ 1648.986918][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1648.986918][ T10] ip6_route_add+0x1c/0x140 [ 1648.986918][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1648.986918][ T10] addrconf_add_dev+0xe2/0x170 [ 1648.986918][ T10] inet6_addr_add+0x12f/0xa40 [ 1648.986918][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1648.986918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1648.986918][ T10] netlink_rcv_skb+0x130/0x360 [ 1648.986918][ T10] netlink_unicast+0x449/0x710 [ 1648.986918][ T10] netlink_sendmsg+0x723/0xbe0 [ 1648.986918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1648.986918][ T10] ___sys_sendmsg+0xee/0x170 [ 1648.986918][ T10] __sys_sendmsg+0xcd/0x170 [ 1648.986918][ T10] do_syscall_64+0xc6/0x1e0 [ 1648.986918][ T10] [ 1648.988889][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1648.988889][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1648.988889][ T10] ipv6_find_idev+0x102/0x170 [ 1648.988889][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1648.988889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1648.988889][ T10] netlink_rcv_skb+0x130/0x360 [ 1648.988889][ T10] netlink_unicast+0x449/0x710 [ 1648.988889][ T10] netlink_sendmsg+0x723/0xbe0 [ 1648.988889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1648.988889][ T10] ___sys_sendmsg+0xee/0x170 [ 1648.988889][ T10] __sys_sendmsg+0xcd/0x170 [ 1648.988889][ T10] do_syscall_64+0xc6/0x1e0 [ 1648.988889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1648.988889][ T10] [ 1648.990462][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1648.990462][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1648.990462][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1648.990462][ T10] ipv6_find_idev+0x102/0x170 [ 1648.990462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1648.990462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1648.990462][ T10] netlink_rcv_skb+0x130/0x360 [ 1648.990462][ T10] netlink_unicast+0x449/0x710 [ 1648.990462][ T10] netlink_sendmsg+0x723/0xbe0 [ 1648.990462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1648.990462][ T10] ___sys_sendmsg+0xee/0x170 [ 1648.990462][ T10] __sys_sendmsg+0xcd/0x170 [ 1648.990462][ T10] do_syscall_64+0xc6/0x1e0 [ 1648.990462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1648.990462][ T10] [ 1648.992172][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1648.992421][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1648.992421][ T10] netdev_get_by_index+0x5e/0x80 [ 1648.992421][ T10] fib6_nh_init+0x3d8/0x1580 [ 1648.992421][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1648.992421][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1648.992421][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1648.992421][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1648.992421][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1648.992421][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1648.992421][ T10] addrconf_dad_begin+0x310/0x670 [ 1648.992421][ T10] addrconf_dad_work+0x10b/0xab0 [ 1648.992421][ T10] process_one_work+0x84d/0x18a0 [ 1648.992421][ T10] worker_thread+0x587/0xd30 [ 1648.992421][ T10] kthread+0x28a/0x350 [ 1648.992421][ T10] ret_from_fork+0x31/0x70 [ 1648.992421][ T10] ret_from_fork_asm+0x1a/0x30 [ 1648.992421][ T10] [ 1648.994341][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1648.994341][ T10] netdev_get_by_index+0x5e/0x80 [ 1648.994341][ T10] fib6_nh_init+0x3d8/0x1580 [ 1648.994341][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1648.994341][ T10] ip6_route_add+0x1c/0x140 [ 1648.994341][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1648.994341][ T10] inet6_addr_add+0x4f8/0xa40 [ 1648.994341][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1648.994341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1648.994341][ T10] netlink_rcv_skb+0x130/0x360 [ 1648.994341][ T10] netlink_unicast+0x449/0x710 [ 1648.994341][ T10] netlink_sendmsg+0x723/0xbe0 [ 1648.994341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1648.994341][ T10] ___sys_sendmsg+0xee/0x170 [ 1648.994341][ T10] __sys_sendmsg+0xcd/0x170 [ 1648.994341][ T10] do_syscall_64+0xc6/0x1e0 [ 1648.994341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1648.994341][ T10] [ 1648.996536][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1648.996536][ T10] netdev_get_by_index+0x5e/0x80 [ 1648.996536][ T10] fib6_nh_init+0x3d8/0x1580 [ 1648.996536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1648.996536][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1648.996536][ T10] ipv6_add_addr+0x411/0x2000 [ 1648.996536][ T10] inet6_addr_add+0x30e/0xa40 [ 1648.996536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1648.996536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1648.996536][ T10] netlink_rcv_skb+0x130/0x360 [ 1648.996536][ T10] netlink_unicast+0x449/0x710 [ 1648.996536][ T10] netlink_sendmsg+0x723/0xbe0 [ 1648.996536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1648.996536][ T10] ___sys_sendmsg+0xee/0x170 [ 1648.996536][ T10] __sys_sendmsg+0xcd/0x170 [ 1648.996536][ T10] do_syscall_64+0xc6/0x1e0 [ 1648.996536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1648.996536][ T10] [ 1648.998819][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1648.998819][ T10] netdev_get_by_index+0x5e/0x80 [ 1648.998819][ T10] fib6_nh_init+0x3d8/0x1580 [ 1648.998819][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1648.998819][ T10] ip6_route_add+0x1c/0x140 [ 1648.998819][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1648.998819][ T10] addrconf_add_dev+0xe2/0x170 [ 1648.998819][ T10] inet6_addr_add+0x12f/0xa40 [ 1648.998819][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1648.998819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1648.998819][ T10] netlink_rcv_skb+0x130/0x360 [ 1648.998819][ T10] netlink_unicast+0x449/0x710 [ 1648.998819][ T10] netlink_sendmsg+0x723/0xbe0 [ 1648.998819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1648.998819][ T10] ___sys_sendmsg+0xee/0x170 [ 1648.998819][ T10] __sys_sendmsg+0xcd/0x170 [ 1648.998819][ T10] do_syscall_64+0xc6/0x1e0 [ 1648.998819][ T10] [ 1649.001081][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1649.001081][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1649.001081][ T10] ipv6_find_idev+0x102/0x170 [ 1649.001081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1649.001081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1649.001081][ T10] netlink_rcv_skb+0x130/0x360 [ 1649.001081][ T10] netlink_unicast+0x449/0x710 [ 1649.001081][ T10] netlink_sendmsg+0x723/0xbe0 [ 1649.001081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1649.001081][ T10] ___sys_sendmsg+0xee/0x170 [ 1649.001081][ T10] __sys_sendmsg+0xcd/0x170 [ 1649.001081][ T10] do_syscall_64+0xc6/0x1e0 [ 1649.001081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1649.001081][ T10] [ 1649.002834][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1649.002834][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1649.002834][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1649.002834][ T10] ipv6_find_idev+0x102/0x170 [ 1649.002834][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1649.002834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1649.002834][ T10] netlink_rcv_skb+0x130/0x360 [ 1649.002834][ T10] netlink_unicast+0x449/0x710 [ 1649.002834][ T10] netlink_sendmsg+0x723/0xbe0 [ 1649.002834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1649.002834][ T10] ___sys_sendmsg+0xee/0x170 [ 1649.002834][ T10] __sys_sendmsg+0xcd/0x170 [ 1649.002834][ T10] do_syscall_64+0xc6/0x1e0 [ 1649.002834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1649.002834][ T10] [ 1649.004800][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1649.005051][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1649.005051][ T10] netdev_get_by_index+0x5e/0x80 [ 1649.005051][ T10] fib6_nh_init+0x3d8/0x1580 [ 1649.005051][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1649.005051][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1649.005051][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1649.005051][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1649.005051][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1649.005051][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1649.005051][ T10] addrconf_dad_begin+0x310/0x670 [ 1649.005051][ T10] addrconf_dad_work+0x10b/0xab0 [ 1649.005051][ T10] process_one_work+0x84d/0x18a0 [ 1649.005051][ T10] worker_thread+0x587/0xd30 [ 1649.005051][ T10] kthread+0x28a/0x350 [ 1649.005051][ T10] ret_from_fork+0x31/0x70 [ 1649.005051][ T10] ret_from_fork_asm+0x1a/0x30 [ 1649.005051][ T10] [ 1649.007243][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1649.007243][ T10] netdev_get_by_index+0x5e/0x80 [ 1649.007243][ T10] fib6_nh_init+0x3d8/0x1580 [ 1649.007243][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1649.007243][ T10] ip6_route_add+0x1c/0x140 [ 1649.007243][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1649.007243][ T10] inet6_addr_add+0x4f8/0xa40 [ 1649.007243][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1649.007243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1649.007243][ T10] netlink_rcv_skb+0x130/0x360 [ 1649.007243][ T10] netlink_unicast+0x449/0x710 [ 1649.007243][ T10] netlink_sendmsg+0x723/0xbe0 [ 1649.007243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1649.007243][ T10] ___sys_sendmsg+0xee/0x170 [ 1649.007243][ T10] __sys_sendmsg+0xcd/0x170 [ 1649.007243][ T10] do_syscall_64+0xc6/0x1e0 [ 1649.007243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1649.007243][ T10] [ 1649.009507][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1649.009507][ T10] netdev_get_by_index+0x5e/0x80 [ 1649.009507][ T10] fib6_nh_init+0x3d8/0x1580 [ 1649.009507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1649.009507][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1649.009507][ T10] ipv6_add_addr+0x411/0x2000 [ 1649.009507][ T10] inet6_addr_add+0x30e/0xa40 [ 1649.009507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1649.009507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1649.009507][ T10] netlink_rcv_skb+0x130/0x360 [ 1649.009507][ T10] netlink_unicast+0x449/0x710 [ 1649.009507][ T10] netlink_sendmsg+0x723/0xbe0 [ 1649.009507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1649.009507][ T10] ___sys_sendmsg+0xee/0x170 [ 1649.009507][ T10] __sys_sendmsg+0xcd/0x170 [ 1649.009507][ T10] do_syscall_64+0xc6/0x1e0 [ 1649.009507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1649.009507][ T10] [ 1649.011814][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1649.011814][ T10] netdev_get_by_index+0x5e/0x80 [ 1649.011814][ T10] fib6_nh_init+0x3d8/0x1580 [ 1649.011814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1649.011814][ T10] ip6_route_add+0x1c/0x140 [ 1649.011814][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1649.011814][ T10] addrconf_add_dev+0xe2/0x170 [ 1649.011814][ T10] inet6_addr_add+0x12f/0xa40 [ 1649.011814][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1649.011814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1649.011814][ T10] netlink_rcv_skb+0x130/0x360 [ 1649.011814][ T10] netlink_unicast+0x449/0x710 [ 1649.011814][ T10] netlink_sendmsg+0x723/0xbe0 [ 1649.011814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1649.011814][ T10] ___sys_sendmsg+0xee/0x170 [ 1649.011814][ T10] __sys_sendmsg+0xcd/0x170 [ 1649.011814][ T10] do_syscall_64+0xc6/0x1e0 [ 1649.011814][ T10] [ 1649.014050][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1649.014050][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1649.014050][ T10] ipv6_find_idev+0x102/0x170 [ 1649.014050][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1649.014050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1649.014050][ T10] netlink_rcv_skb+0x130/0x360 [ 1649.014050][ T10] netlink_unicast+0x449/0x710 [ 1649.014050][ T10] netlink_sendmsg+0x723/0xbe0 [ 1649.014050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1649.014050][ T10] ___sys_sendmsg+0xee/0x170 [ 1649.014050][ T10] __sys_sendmsg+0xcd/0x170 [ 1649.014050][ T10] do_syscall_64+0xc6/0x1e0 [ 1649.014050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1649.014050][ T10] [ 1649.015778][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1649.015778][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1649.015778][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1649.015778][ T10] ipv6_find_idev+0x102/0x170 [ 1649.015778][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1649.015778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1649.015778][ T10] netlink_rcv_skb+0x130/0x360 [ 1649.015778][ T10] netlink_unicast+0x449/0x710 [ 1649.015778][ T10] netlink_sendmsg+0x723/0xbe0 [ 1649.015778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1649.015778][ T10] ___sys_sendmsg+0xee/0x170 [ 1649.015778][ T10] __sys_sendmsg+0xcd/0x170 [ 1649.015778][ T10] do_syscall_64+0xc6/0x1e0 [ 1649.015778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1649.015778][ T10] [ 1656.601049][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1656.601515][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1656.601515][ T1167] dst_init+0x84/0x4a0 [ 1656.601515][ T1167] dst_alloc+0x97/0x150 [ 1656.601515][ T1167] ip6_dst_alloc+0x23/0x90 [ 1656.601515][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1656.601515][ T1167] ip6_pol_route+0x56f/0x840 [ 1656.601515][ T1167] fib6_rule_lookup+0x334/0x630 [ 1656.601515][ T1167] ip6_route_output_flags+0x259/0x480 [ 1656.601515][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1656.601515][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1656.601515][ T1167] netlink_rcv_skb+0x130/0x360 [ 1656.601515][ T1167] netlink_unicast+0x449/0x710 [ 1656.601515][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1656.601515][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1656.601515][ T1167] ___sys_sendmsg+0xee/0x170 [ 1656.601515][ T1167] __sys_sendmsg+0xcd/0x170 [ 1656.601515][ T1167] do_syscall_64+0xc6/0x1e0 [ 1656.601515][ T1167] [ 1656.603751][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1656.603751][ T1167] netdev_get_by_index+0x5e/0x80 [ 1656.603751][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1656.603751][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1656.603751][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1656.603751][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1656.603751][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1656.603751][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1656.603751][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1656.603751][ T1167] addrconf_dad_begin+0x310/0x670 [ 1656.603751][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1656.603751][ T1167] process_one_work+0x84d/0x18a0 [ 1656.603751][ T1167] worker_thread+0x587/0xd30 [ 1656.603751][ T1167] kthread+0x28a/0x350 [ 1656.603751][ T1167] ret_from_fork+0x31/0x70 [ 1656.603751][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1656.603751][ T1167] [ 1656.605936][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1656.605936][ T1167] netdev_get_by_index+0x5e/0x80 [ 1656.605936][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1656.605936][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1656.605936][ T1167] ip6_route_add+0x1c/0x140 [ 1656.605936][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1656.605936][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1656.605936][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1656.605936][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.605936][ T1167] netlink_rcv_skb+0x130/0x360 [ 1656.605936][ T1167] netlink_unicast+0x449/0x710 [ 1656.605936][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1656.605936][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1656.605936][ T1167] ___sys_sendmsg+0xee/0x170 [ 1656.605936][ T1167] __sys_sendmsg+0xcd/0x170 [ 1656.605936][ T1167] do_syscall_64+0xc6/0x1e0 [ 1656.605936][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.605936][ T1167] [ 1656.608216][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1656.608216][ T1167] netdev_get_by_index+0x5e/0x80 [ 1656.608216][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1656.608216][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1656.608216][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1656.608216][ T1167] ipv6_add_addr+0x411/0x2000 [ 1656.608216][ T1167] inet6_addr_add+0x30e/0xa40 [ 1656.608216][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1656.608216][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.608216][ T1167] netlink_rcv_skb+0x130/0x360 [ 1656.608216][ T1167] netlink_unicast+0x449/0x710 [ 1656.608216][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1656.608216][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1656.608216][ T1167] ___sys_sendmsg+0xee/0x170 [ 1656.608216][ T1167] __sys_sendmsg+0xcd/0x170 [ 1656.608216][ T1167] do_syscall_64+0xc6/0x1e0 [ 1656.608216][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.608216][ T1167] [ 1656.610503][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1656.610503][ T1167] netdev_get_by_index+0x5e/0x80 [ 1656.610503][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1656.610503][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1656.610503][ T1167] ip6_route_add+0x1c/0x140 [ 1656.610503][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1656.610503][ T1167] addrconf_add_dev+0xe2/0x170 [ 1656.610503][ T1167] inet6_addr_add+0x12f/0xa40 [ 1656.610503][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1656.610503][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.610503][ T1167] netlink_rcv_skb+0x130/0x360 [ 1656.610503][ T1167] netlink_unicast+0x449/0x710 [ 1656.610503][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1656.610503][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1656.610503][ T1167] ___sys_sendmsg+0xee/0x170 [ 1656.610503][ T1167] __sys_sendmsg+0xcd/0x170 [ 1656.610503][ T1167] do_syscall_64+0xc6/0x1e0 [ 1656.610503][ T1167] [ 1656.612761][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1656.612761][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1656.612761][ T1167] ipv6_find_idev+0x102/0x170 [ 1656.612761][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1656.612761][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.612761][ T1167] netlink_rcv_skb+0x130/0x360 [ 1656.612761][ T1167] netlink_unicast+0x449/0x710 [ 1656.612761][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1656.612761][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1656.612761][ T1167] ___sys_sendmsg+0xee/0x170 [ 1656.612761][ T1167] __sys_sendmsg+0xcd/0x170 [ 1656.612761][ T1167] do_syscall_64+0xc6/0x1e0 [ 1656.612761][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.612761][ T1167] [ 1656.614520][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1656.614520][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1656.614520][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1656.614520][ T1167] ipv6_find_idev+0x102/0x170 [ 1656.614520][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1656.614520][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.614520][ T1167] netlink_rcv_skb+0x130/0x360 [ 1656.614520][ T1167] netlink_unicast+0x449/0x710 [ 1656.614520][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1656.614520][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1656.614520][ T1167] ___sys_sendmsg+0xee/0x170 [ 1656.614520][ T1167] __sys_sendmsg+0xcd/0x170 [ 1656.614520][ T1167] do_syscall_64+0xc6/0x1e0 [ 1656.614520][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.614520][ T1167] [ 1659.257074][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1659.257479][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1659.257479][ T10] netdev_get_by_index+0x5e/0x80 [ 1659.257479][ T10] fib6_nh_init+0x3d8/0x1580 [ 1659.257479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1659.257479][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1659.257479][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1659.257479][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1659.257479][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1659.257479][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1659.257479][ T10] addrconf_dad_begin+0x310/0x670 [ 1659.257479][ T10] addrconf_dad_work+0x10b/0xab0 [ 1659.257479][ T10] process_one_work+0x84d/0x18a0 [ 1659.257479][ T10] worker_thread+0x587/0xd30 [ 1659.257479][ T10] kthread+0x28a/0x350 [ 1659.257479][ T10] ret_from_fork+0x31/0x70 [ 1659.257479][ T10] ret_from_fork_asm+0x1a/0x30 [ 1659.257479][ T10] [ 1659.259451][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1659.259451][ T10] netdev_get_by_index+0x5e/0x80 [ 1659.259451][ T10] fib6_nh_init+0x3d8/0x1580 [ 1659.259451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1659.259451][ T10] ip6_route_add+0x1c/0x140 [ 1659.259451][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1659.259451][ T10] inet6_addr_add+0x4f8/0xa40 [ 1659.259451][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1659.259451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.259451][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.259451][ T10] netlink_unicast+0x449/0x710 [ 1659.259451][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.259451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.259451][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.259451][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.259451][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.259451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.259451][ T10] [ 1659.261510][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1659.261510][ T10] netdev_get_by_index+0x5e/0x80 [ 1659.261510][ T10] fib6_nh_init+0x3d8/0x1580 [ 1659.261510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1659.261510][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1659.261510][ T10] ipv6_add_addr+0x411/0x2000 [ 1659.261510][ T10] inet6_addr_add+0x30e/0xa40 [ 1659.261510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1659.261510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.261510][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.261510][ T10] netlink_unicast+0x449/0x710 [ 1659.261510][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.261510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.261510][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.261510][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.261510][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.261510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.261510][ T10] [ 1659.263543][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1659.263543][ T10] netdev_get_by_index+0x5e/0x80 [ 1659.263543][ T10] fib6_nh_init+0x3d8/0x1580 [ 1659.263543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1659.263543][ T10] ip6_route_add+0x1c/0x140 [ 1659.263543][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1659.263543][ T10] addrconf_add_dev+0xe2/0x170 [ 1659.263543][ T10] inet6_addr_add+0x12f/0xa40 [ 1659.263543][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1659.263543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.263543][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.263543][ T10] netlink_unicast+0x449/0x710 [ 1659.263543][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.263543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.263543][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.263543][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.263543][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.263543][ T10] [ 1659.265585][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1659.265585][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1659.265585][ T10] ipv6_find_idev+0x102/0x170 [ 1659.265585][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1659.265585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.265585][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.265585][ T10] netlink_unicast+0x449/0x710 [ 1659.265585][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.265585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.265585][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.265585][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.265585][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.265585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.265585][ T10] [ 1659.267169][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1659.267169][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1659.267169][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1659.267169][ T10] ipv6_find_idev+0x102/0x170 [ 1659.267169][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1659.267169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.267169][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.267169][ T10] netlink_unicast+0x449/0x710 [ 1659.267169][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.267169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.267169][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.267169][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.267169][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.267169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.267169][ T10] [ 1659.268928][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1659.269221][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1659.269221][ T10] netdev_get_by_index+0x5e/0x80 [ 1659.269221][ T10] fib6_nh_init+0x3d8/0x1580 [ 1659.269221][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1659.269221][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1659.269221][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1659.269221][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1659.269221][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1659.269221][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1659.269221][ T10] addrconf_dad_begin+0x310/0x670 [ 1659.269221][ T10] addrconf_dad_work+0x10b/0xab0 [ 1659.269221][ T10] process_one_work+0x84d/0x18a0 [ 1659.269221][ T10] worker_thread+0x587/0xd30 [ 1659.269221][ T10] kthread+0x28a/0x350 [ 1659.269221][ T10] ret_from_fork+0x31/0x70 [ 1659.269221][ T10] ret_from_fork_asm+0x1a/0x30 [ 1659.269221][ T10] [ 1659.271161][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1659.271161][ T10] netdev_get_by_index+0x5e/0x80 [ 1659.271161][ T10] fib6_nh_init+0x3d8/0x1580 [ 1659.271161][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1659.271161][ T10] ip6_route_add+0x1c/0x140 [ 1659.271161][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1659.271161][ T10] inet6_addr_add+0x4f8/0xa40 [ 1659.271161][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1659.271161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.271161][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.271161][ T10] netlink_unicast+0x449/0x710 [ 1659.271161][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.271161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.271161][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.271161][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.271161][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.271161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.271161][ T10] [ 1659.273185][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1659.273185][ T10] netdev_get_by_index+0x5e/0x80 [ 1659.273185][ T10] fib6_nh_init+0x3d8/0x1580 [ 1659.273185][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1659.273185][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1659.273185][ T10] ipv6_add_addr+0x411/0x2000 [ 1659.273185][ T10] inet6_addr_add+0x30e/0xa40 [ 1659.273185][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1659.273185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.273185][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.273185][ T10] netlink_unicast+0x449/0x710 [ 1659.273185][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.273185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.273185][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.273185][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.273185][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.273185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.273185][ T10] [ 1659.275204][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1659.275204][ T10] netdev_get_by_index+0x5e/0x80 [ 1659.275204][ T10] fib6_nh_init+0x3d8/0x1580 [ 1659.275204][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1659.275204][ T10] ip6_route_add+0x1c/0x140 [ 1659.275204][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1659.275204][ T10] addrconf_add_dev+0xe2/0x170 [ 1659.275204][ T10] inet6_addr_add+0x12f/0xa40 [ 1659.275204][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1659.275204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.275204][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.275204][ T10] netlink_unicast+0x449/0x710 [ 1659.275204][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.275204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.275204][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.275204][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.275204][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.275204][ T10] [ 1659.277196][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1659.277196][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1659.277196][ T10] ipv6_find_idev+0x102/0x170 [ 1659.277196][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1659.277196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.277196][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.277196][ T10] netlink_unicast+0x449/0x710 [ 1659.277196][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.277196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.277196][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.277196][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.277196][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.277196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.277196][ T10] [ 1659.278757][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1659.278757][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1659.278757][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1659.278757][ T10] ipv6_find_idev+0x102/0x170 [ 1659.278757][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1659.278757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.278757][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.278757][ T10] netlink_unicast+0x449/0x710 [ 1659.278757][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.278757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.278757][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.278757][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.278757][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.278757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.278757][ T10] [ 1659.280599][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1659.280861][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1659.280861][ T10] netdev_get_by_index+0x5e/0x80 [ 1659.280861][ T10] fib6_nh_init+0x3d8/0x1580 [ 1659.280861][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1659.280861][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1659.280861][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1659.280861][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1659.280861][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1659.280861][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1659.280861][ T10] addrconf_dad_begin+0x310/0x670 [ 1659.280861][ T10] addrconf_dad_work+0x10b/0xab0 [ 1659.280861][ T10] process_one_work+0x84d/0x18a0 [ 1659.280861][ T10] worker_thread+0x587/0xd30 [ 1659.280861][ T10] kthread+0x28a/0x350 [ 1659.280861][ T10] ret_from_fork+0x31/0x70 [ 1659.280861][ T10] ret_from_fork_asm+0x1a/0x30 [ 1659.280861][ T10] [ 1659.282808][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1659.282808][ T10] netdev_get_by_index+0x5e/0x80 [ 1659.282808][ T10] fib6_nh_init+0x3d8/0x1580 [ 1659.282808][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1659.282808][ T10] ip6_route_add+0x1c/0x140 [ 1659.282808][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1659.282808][ T10] inet6_addr_add+0x4f8/0xa40 [ 1659.282808][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1659.282808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.282808][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.282808][ T10] netlink_unicast+0x449/0x710 [ 1659.282808][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.282808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.282808][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.282808][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.282808][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.282808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.282808][ T10] [ 1659.285017][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1659.285017][ T10] netdev_get_by_index+0x5e/0x80 [ 1659.285017][ T10] fib6_nh_init+0x3d8/0x1580 [ 1659.285017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1659.285017][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1659.285017][ T10] ipv6_add_addr+0x411/0x2000 [ 1659.285017][ T10] inet6_addr_add+0x30e/0xa40 [ 1659.285017][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1659.285017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.285017][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.285017][ T10] netlink_unicast+0x449/0x710 [ 1659.285017][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.285017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.285017][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.285017][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.285017][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.285017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.285017][ T10] [ 1659.287328][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1659.287328][ T10] netdev_get_by_index+0x5e/0x80 [ 1659.287328][ T10] fib6_nh_init+0x3d8/0x1580 [ 1659.287328][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1659.287328][ T10] ip6_route_add+0x1c/0x140 [ 1659.287328][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1659.287328][ T10] addrconf_add_dev+0xe2/0x170 [ 1659.287328][ T10] inet6_addr_add+0x12f/0xa40 [ 1659.287328][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1659.287328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.287328][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.287328][ T10] netlink_unicast+0x449/0x710 [ 1659.287328][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.287328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.287328][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.287328][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.287328][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.287328][ T10] [ 1659.289562][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1659.289562][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1659.289562][ T10] ipv6_find_idev+0x102/0x170 [ 1659.289562][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1659.289562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.289562][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.289562][ T10] netlink_unicast+0x449/0x710 [ 1659.289562][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.289562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.289562][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.289562][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.289562][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.289562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.289562][ T10] [ 1659.291376][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1659.291376][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1659.291376][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1659.291376][ T10] ipv6_find_idev+0x102/0x170 [ 1659.291376][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1659.291376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.291376][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.291376][ T10] netlink_unicast+0x449/0x710 [ 1659.291376][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.291376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.291376][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.291376][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.291376][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.291376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.291376][ T10] [ 1659.293283][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1659.293533][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1659.293533][ T10] netdev_get_by_index+0x5e/0x80 [ 1659.293533][ T10] fib6_nh_init+0x3d8/0x1580 [ 1659.293533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1659.293533][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1659.293533][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1659.293533][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1659.293533][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1659.293533][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1659.293533][ T10] addrconf_dad_begin+0x310/0x670 [ 1659.293533][ T10] addrconf_dad_work+0x10b/0xab0 [ 1659.293533][ T10] process_one_work+0x84d/0x18a0 [ 1659.293533][ T10] worker_thread+0x587/0xd30 [ 1659.293533][ T10] kthread+0x28a/0x350 [ 1659.293533][ T10] ret_from_fork+0x31/0x70 [ 1659.293533][ T10] ret_from_fork_asm+0x1a/0x30 [ 1659.293533][ T10] [ 1659.295696][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1659.295696][ T10] netdev_get_by_index+0x5e/0x80 [ 1659.295696][ T10] fib6_nh_init+0x3d8/0x1580 [ 1659.295696][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1659.295696][ T10] ip6_route_add+0x1c/0x140 [ 1659.295696][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1659.295696][ T10] inet6_addr_add+0x4f8/0xa40 [ 1659.295696][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1659.295696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.295696][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.295696][ T10] netlink_unicast+0x449/0x710 [ 1659.295696][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.295696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.295696][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.295696][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.295696][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.295696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.295696][ T10] [ 1659.297944][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1659.297944][ T10] netdev_get_by_index+0x5e/0x80 [ 1659.297944][ T10] fib6_nh_init+0x3d8/0x1580 [ 1659.297944][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1659.297944][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1659.297944][ T10] ipv6_add_addr+0x411/0x2000 [ 1659.297944][ T10] inet6_addr_add+0x30e/0xa40 [ 1659.297944][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1659.297944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.297944][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.297944][ T10] netlink_unicast+0x449/0x710 [ 1659.297944][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.297944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.297944][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.297944][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.297944][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.297944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.297944][ T10] [ 1659.300252][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1659.300252][ T10] netdev_get_by_index+0x5e/0x80 [ 1659.300252][ T10] fib6_nh_init+0x3d8/0x1580 [ 1659.300252][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1659.300252][ T10] ip6_route_add+0x1c/0x140 [ 1659.300252][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1659.300252][ T10] addrconf_add_dev+0xe2/0x170 [ 1659.300252][ T10] inet6_addr_add+0x12f/0xa40 [ 1659.300252][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1659.300252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.300252][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.300252][ T10] netlink_unicast+0x449/0x710 [ 1659.300252][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.300252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.300252][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.300252][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.300252][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.300252][ T10] [ 1659.302450][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1659.302450][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1659.302450][ T10] ipv6_find_idev+0x102/0x170 [ 1659.302450][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1659.302450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.302450][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.302450][ T10] netlink_unicast+0x449/0x710 [ 1659.302450][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.302450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.302450][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.302450][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.302450][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.302450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.302450][ T10] [ 1659.304172][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1659.304172][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1659.304172][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1659.304172][ T10] ipv6_find_idev+0x102/0x170 [ 1659.304172][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1659.304172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.304172][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.304172][ T10] netlink_unicast+0x449/0x710 [ 1659.304172][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.304172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.304172][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.304172][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.304172][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.304172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.304172][ T10] [ 1666.857071][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1666.857544][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1666.857544][ T1167] dst_init+0x84/0x4a0 [ 1666.857544][ T1167] dst_alloc+0x97/0x150 [ 1666.857544][ T1167] ip6_dst_alloc+0x23/0x90 [ 1666.857544][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1666.857544][ T1167] ip6_pol_route+0x56f/0x840 [ 1666.857544][ T1167] fib6_rule_lookup+0x334/0x630 [ 1666.857544][ T1167] ip6_route_output_flags+0x259/0x480 [ 1666.857544][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1666.857544][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1666.857544][ T1167] netlink_rcv_skb+0x130/0x360 [ 1666.857544][ T1167] netlink_unicast+0x449/0x710 [ 1666.857544][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1666.857544][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1666.857544][ T1167] ___sys_sendmsg+0xee/0x170 [ 1666.857544][ T1167] __sys_sendmsg+0xcd/0x170 [ 1666.857544][ T1167] do_syscall_64+0xc6/0x1e0 [ 1666.857544][ T1167] [ 1666.859897][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1666.859897][ T1167] netdev_get_by_index+0x5e/0x80 [ 1666.859897][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1666.859897][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1666.859897][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1666.859897][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1666.859897][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1666.859897][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1666.859897][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1666.859897][ T1167] addrconf_dad_begin+0x310/0x670 [ 1666.859897][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1666.859897][ T1167] process_one_work+0x84d/0x18a0 [ 1666.859897][ T1167] worker_thread+0x587/0xd30 [ 1666.859897][ T1167] kthread+0x28a/0x350 [ 1666.859897][ T1167] ret_from_fork+0x31/0x70 [ 1666.859897][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1666.859897][ T1167] [ 1666.862120][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1666.862120][ T1167] netdev_get_by_index+0x5e/0x80 [ 1666.862120][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1666.862120][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1666.862120][ T1167] ip6_route_add+0x1c/0x140 [ 1666.862120][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1666.862120][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1666.862120][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1666.862120][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1666.862120][ T1167] netlink_rcv_skb+0x130/0x360 [ 1666.862120][ T1167] netlink_unicast+0x449/0x710 [ 1666.862120][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1666.862120][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1666.862120][ T1167] ___sys_sendmsg+0xee/0x170 [ 1666.862120][ T1167] __sys_sendmsg+0xcd/0x170 [ 1666.862120][ T1167] do_syscall_64+0xc6/0x1e0 [ 1666.862120][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1666.862120][ T1167] [ 1666.864401][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1666.864401][ T1167] netdev_get_by_index+0x5e/0x80 [ 1666.864401][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1666.864401][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1666.864401][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1666.864401][ T1167] ipv6_add_addr+0x411/0x2000 [ 1666.864401][ T1167] inet6_addr_add+0x30e/0xa40 [ 1666.864401][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1666.864401][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1666.864401][ T1167] netlink_rcv_skb+0x130/0x360 [ 1666.864401][ T1167] netlink_unicast+0x449/0x710 [ 1666.864401][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1666.864401][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1666.864401][ T1167] ___sys_sendmsg+0xee/0x170 [ 1666.864401][ T1167] __sys_sendmsg+0xcd/0x170 [ 1666.864401][ T1167] do_syscall_64+0xc6/0x1e0 [ 1666.864401][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1666.864401][ T1167] [ 1666.866690][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1666.866690][ T1167] netdev_get_by_index+0x5e/0x80 [ 1666.866690][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1666.866690][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1666.866690][ T1167] ip6_route_add+0x1c/0x140 [ 1666.866690][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1666.866690][ T1167] addrconf_add_dev+0xe2/0x170 [ 1666.866690][ T1167] inet6_addr_add+0x12f/0xa40 [ 1666.866690][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1666.866690][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1666.866690][ T1167] netlink_rcv_skb+0x130/0x360 [ 1666.866690][ T1167] netlink_unicast+0x449/0x710 [ 1666.866690][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1666.866690][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1666.866690][ T1167] ___sys_sendmsg+0xee/0x170 [ 1666.866690][ T1167] __sys_sendmsg+0xcd/0x170 [ 1666.866690][ T1167] do_syscall_64+0xc6/0x1e0 [ 1666.866690][ T1167] [ 1666.868917][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1666.868917][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1666.868917][ T1167] ipv6_find_idev+0x102/0x170 [ 1666.868917][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1666.868917][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1666.868917][ T1167] netlink_rcv_skb+0x130/0x360 [ 1666.868917][ T1167] netlink_unicast+0x449/0x710 [ 1666.868917][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1666.868917][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1666.868917][ T1167] ___sys_sendmsg+0xee/0x170 [ 1666.868917][ T1167] __sys_sendmsg+0xcd/0x170 [ 1666.868917][ T1167] do_syscall_64+0xc6/0x1e0 [ 1666.868917][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1666.868917][ T1167] [ 1666.870686][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1666.870686][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1666.870686][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1666.870686][ T1167] ipv6_find_idev+0x102/0x170 [ 1666.870686][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1666.870686][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1666.870686][ T1167] netlink_rcv_skb+0x130/0x360 [ 1666.870686][ T1167] netlink_unicast+0x449/0x710 [ 1666.870686][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1666.870686][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1666.870686][ T1167] ___sys_sendmsg+0xee/0x170 [ 1666.870686][ T1167] __sys_sendmsg+0xcd/0x170 [ 1666.870686][ T1167] do_syscall_64+0xc6/0x1e0 [ 1666.870686][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1666.870686][ T1167] [ 1669.545122][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1669.545588][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1669.545588][ T10] netdev_get_by_index+0x5e/0x80 [ 1669.545588][ T10] fib6_nh_init+0x3d8/0x1580 [ 1669.545588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1669.545588][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1669.545588][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1669.545588][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1669.545588][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1669.545588][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1669.545588][ T10] addrconf_dad_begin+0x310/0x670 [ 1669.545588][ T10] addrconf_dad_work+0x10b/0xab0 [ 1669.545588][ T10] process_one_work+0x84d/0x18a0 [ 1669.545588][ T10] worker_thread+0x587/0xd30 [ 1669.545588][ T10] kthread+0x28a/0x350 [ 1669.545588][ T10] ret_from_fork+0x31/0x70 [ 1669.545588][ T10] ret_from_fork_asm+0x1a/0x30 [ 1669.545588][ T10] [ 1669.547577][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1669.547577][ T10] netdev_get_by_index+0x5e/0x80 [ 1669.547577][ T10] fib6_nh_init+0x3d8/0x1580 [ 1669.547577][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1669.547577][ T10] ip6_route_add+0x1c/0x140 [ 1669.547577][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1669.547577][ T10] inet6_addr_add+0x4f8/0xa40 [ 1669.547577][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1669.547577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1669.547577][ T10] netlink_rcv_skb+0x130/0x360 [ 1669.547577][ T10] netlink_unicast+0x449/0x710 [ 1669.547577][ T10] netlink_sendmsg+0x723/0xbe0 [ 1669.547577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1669.547577][ T10] ___sys_sendmsg+0xee/0x170 [ 1669.547577][ T10] __sys_sendmsg+0xcd/0x170 [ 1669.547577][ T10] do_syscall_64+0xc6/0x1e0 [ 1669.547577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1669.547577][ T10] [ 1669.549629][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1669.549629][ T10] netdev_get_by_index+0x5e/0x80 [ 1669.549629][ T10] fib6_nh_init+0x3d8/0x1580 [ 1669.549629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1669.549629][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1669.549629][ T10] ipv6_add_addr+0x411/0x2000 [ 1669.549629][ T10] inet6_addr_add+0x30e/0xa40 [ 1669.549629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1669.549629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1669.549629][ T10] netlink_rcv_skb+0x130/0x360 [ 1669.549629][ T10] netlink_unicast+0x449/0x710 [ 1669.549629][ T10] netlink_sendmsg+0x723/0xbe0 [ 1669.549629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1669.549629][ T10] ___sys_sendmsg+0xee/0x170 [ 1669.549629][ T10] __sys_sendmsg+0xcd/0x170 [ 1669.549629][ T10] do_syscall_64+0xc6/0x1e0 [ 1669.549629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1669.549629][ T10] [ 1669.551683][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1669.551683][ T10] netdev_get_by_index+0x5e/0x80 [ 1669.551683][ T10] fib6_nh_init+0x3d8/0x1580 [ 1669.551683][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1669.551683][ T10] ip6_route_add+0x1c/0x140 [ 1669.551683][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1669.551683][ T10] addrconf_add_dev+0xe2/0x170 [ 1669.551683][ T10] inet6_addr_add+0x12f/0xa40 [ 1669.551683][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1669.551683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1669.551683][ T10] netlink_rcv_skb+0x130/0x360 [ 1669.551683][ T10] netlink_unicast+0x449/0x710 [ 1669.551683][ T10] netlink_sendmsg+0x723/0xbe0 [ 1669.551683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1669.551683][ T10] ___sys_sendmsg+0xee/0x170 [ 1669.551683][ T10] __sys_sendmsg+0xcd/0x170 [ 1669.551683][ T10] do_syscall_64+0xc6/0x1e0 [ 1669.551683][ T10] [ 1669.553691][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1669.553691][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1669.553691][ T10] ipv6_find_idev+0x102/0x170 [ 1669.553691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1669.553691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1669.553691][ T10] netlink_rcv_skb+0x130/0x360 [ 1669.553691][ T10] netlink_unicast+0x449/0x710 [ 1669.553691][ T10] netlink_sendmsg+0x723/0xbe0 [ 1669.553691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1669.553691][ T10] ___sys_sendmsg+0xee/0x170 [ 1669.553691][ T10] __sys_sendmsg+0xcd/0x170 [ 1669.553691][ T10] do_syscall_64+0xc6/0x1e0 [ 1669.553691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1669.553691][ T10] [ 1669.555289][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1669.555289][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1669.555289][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1669.555289][ T10] ipv6_find_idev+0x102/0x170 [ 1669.555289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1669.555289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1669.555289][ T10] netlink_rcv_skb+0x130/0x360 [ 1669.555289][ T10] netlink_unicast+0x449/0x710 [ 1669.555289][ T10] netlink_sendmsg+0x723/0xbe0 [ 1669.555289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1669.555289][ T10] ___sys_sendmsg+0xee/0x170 [ 1669.555289][ T10] __sys_sendmsg+0xcd/0x170 [ 1669.555289][ T10] do_syscall_64+0xc6/0x1e0 [ 1669.555289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1669.555289][ T10] [ 1669.557036][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1669.557303][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1669.557303][ T10] netdev_get_by_index+0x5e/0x80 [ 1669.557303][ T10] fib6_nh_init+0x3d8/0x1580 [ 1669.557303][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1669.557303][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1669.557303][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1669.557303][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1669.557303][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1669.557303][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1669.557303][ T10] addrconf_dad_begin+0x310/0x670 [ 1669.557303][ T10] addrconf_dad_work+0x10b/0xab0 [ 1669.557303][ T10] process_one_work+0x84d/0x18a0 [ 1669.557303][ T10] worker_thread+0x587/0xd30 [ 1669.557303][ T10] kthread+0x28a/0x350 [ 1669.557303][ T10] ret_from_fork+0x31/0x70 [ 1669.557303][ T10] ret_from_fork_asm+0x1a/0x30 [ 1669.557303][ T10] [ 1669.559246][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1669.559246][ T10] netdev_get_by_index+0x5e/0x80 [ 1669.559246][ T10] fib6_nh_init+0x3d8/0x1580 [ 1669.559246][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1669.559246][ T10] ip6_route_add+0x1c/0x140 [ 1669.559246][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1669.559246][ T10] inet6_addr_add+0x4f8/0xa40 [ 1669.559246][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1669.559246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1669.559246][ T10] netlink_rcv_skb+0x130/0x360 [ 1669.559246][ T10] netlink_unicast+0x449/0x710 [ 1669.559246][ T10] netlink_sendmsg+0x723/0xbe0 [ 1669.559246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1669.559246][ T10] ___sys_sendmsg+0xee/0x170 [ 1669.559246][ T10] __sys_sendmsg+0xcd/0x170 [ 1669.559246][ T10] do_syscall_64+0xc6/0x1e0 [ 1669.559246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1669.559246][ T10] [ 1669.561269][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1669.561269][ T10] netdev_get_by_index+0x5e/0x80 [ 1669.561269][ T10] fib6_nh_init+0x3d8/0x1580 [ 1669.561269][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1669.561269][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1669.561269][ T10] ipv6_add_addr+0x411/0x2000 [ 1669.561269][ T10] inet6_addr_add+0x30e/0xa40 [ 1669.561269][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1669.561269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1669.561269][ T10] netlink_rcv_skb+0x130/0x360 [ 1669.561269][ T10] netlink_unicast+0x449/0x710 [ 1669.561269][ T10] netlink_sendmsg+0x723/0xbe0 [ 1669.561269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1669.561269][ T10] ___sys_sendmsg+0xee/0x170 [ 1669.561269][ T10] __sys_sendmsg+0xcd/0x170 [ 1669.561269][ T10] do_syscall_64+0xc6/0x1e0 [ 1669.561269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1669.561269][ T10] [ 1669.563296][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1669.563296][ T10] netdev_get_by_index+0x5e/0x80 [ 1669.563296][ T10] fib6_nh_init+0x3d8/0x1580 [ 1669.563296][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1669.563296][ T10] ip6_route_add+0x1c/0x140 [ 1669.563296][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1669.563296][ T10] addrconf_add_dev+0xe2/0x170 [ 1669.563296][ T10] inet6_addr_add+0x12f/0xa40 [ 1669.563296][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1669.563296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1669.563296][ T10] netlink_rcv_skb+0x130/0x360 [ 1669.563296][ T10] netlink_unicast+0x449/0x710 [ 1669.563296][ T10] netlink_sendmsg+0x723/0xbe0 [ 1669.563296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1669.563296][ T10] ___sys_sendmsg+0xee/0x170 [ 1669.563296][ T10] __sys_sendmsg+0xcd/0x170 [ 1669.563296][ T10] do_syscall_64+0xc6/0x1e0 [ 1669.563296][ T10] [ 1669.565290][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1669.565290][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1669.565290][ T10] ipv6_find_idev+0x102/0x170 [ 1669.565290][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1669.565290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1669.565290][ T10] netlink_rcv_skb+0x130/0x360 [ 1669.565290][ T10] netlink_unicast+0x449/0x710 [ 1669.565290][ T10] netlink_sendmsg+0x723/0xbe0 [ 1669.565290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1669.565290][ T10] ___sys_sendmsg+0xee/0x170 [ 1669.565290][ T10] __sys_sendmsg+0xcd/0x170 [ 1669.565290][ T10] do_syscall_64+0xc6/0x1e0 [ 1669.565290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1669.565290][ T10] [ 1669.566860][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1669.566860][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1669.566860][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1669.566860][ T10] ipv6_find_idev+0x102/0x170 [ 1669.566860][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1669.566860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1669.566860][ T10] netlink_rcv_skb+0x130/0x360 [ 1669.566860][ T10] netlink_unicast+0x449/0x710 [ 1669.566860][ T10] netlink_sendmsg+0x723/0xbe0 [ 1669.566860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1669.566860][ T10] ___sys_sendmsg+0xee/0x170 [ 1669.566860][ T10] __sys_sendmsg+0xcd/0x170 [ 1669.566860][ T10] do_syscall_64+0xc6/0x1e0 [ 1669.566860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1669.566860][ T10] [ 1669.569504][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1669.569756][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1669.569756][ T10] netdev_get_by_index+0x5e/0x80 [ 1669.569756][ T10] fib6_nh_init+0x3d8/0x1580 [ 1669.569756][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1669.569756][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1669.569756][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1669.569756][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1669.569756][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1669.569756][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1669.569756][ T10] addrconf_dad_begin+0x310/0x670 [ 1669.569756][ T10] addrconf_dad_work+0x10b/0xab0 [ 1669.569756][ T10] process_one_work+0x84d/0x18a0 [ 1669.569756][ T10] worker_thread+0x587/0xd30 [ 1669.569756][ T10] kthread+0x28a/0x350 [ 1669.569756][ T10] ret_from_fork+0x31/0x70 [ 1669.569756][ T10] ret_from_fork_asm+0x1a/0x30 [ 1669.569756][ T10] [ 1669.571734][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1669.571734][ T10] netdev_get_by_index+0x5e/0x80 [ 1669.571734][ T10] fib6_nh_init+0x3d8/0x1580 [ 1669.571734][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1669.571734][ T10] ip6_route_add+0x1c/0x140 [ 1669.571734][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1669.571734][ T10] inet6_addr_add+0x4f8/0xa40 [ 1669.571734][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1669.571734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1669.571734][ T10] netlink_rcv_skb+0x130/0x360 [ 1669.571734][ T10] netlink_unicast+0x449/0x710 [ 1669.571734][ T10] netlink_sendmsg+0x723/0xbe0 [ 1669.571734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1669.571734][ T10] ___sys_sendmsg+0xee/0x170 [ 1669.571734][ T10] __sys_sendmsg+0xcd/0x170 [ 1669.571734][ T10] do_syscall_64+0xc6/0x1e0 [ 1669.571734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1669.571734][ T10] [ 1669.573969][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1669.573969][ T10] netdev_get_by_index+0x5e/0x80 [ 1669.573969][ T10] fib6_nh_init+0x3d8/0x1580 [ 1669.573969][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1669.573969][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1669.573969][ T10] ipv6_add_addr+0x411/0x2000 [ 1669.573969][ T10] inet6_addr_add+0x30e/0xa40 [ 1669.573969][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1669.573969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1669.573969][ T10] netlink_rcv_skb+0x130/0x360 [ 1669.573969][ T10] netlink_unicast+0x449/0x710 [ 1669.573969][ T10] netlink_sendmsg+0x723/0xbe0 [ 1669.573969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1669.573969][ T10] ___sys_sendmsg+0xee/0x170 [ 1669.573969][ T10] __sys_sendmsg+0xcd/0x170 [ 1669.573969][ T10] do_syscall_64+0xc6/0x1e0 [ 1669.573969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1669.573969][ T10] [ 1669.576256][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1669.576256][ T10] netdev_get_by_index+0x5e/0x80 [ 1669.576256][ T10] fib6_nh_init+0x3d8/0x1580 [ 1669.576256][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1669.576256][ T10] ip6_route_add+0x1c/0x140 [ 1669.576256][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1669.576256][ T10] addrconf_add_dev+0xe2/0x170 [ 1669.576256][ T10] inet6_addr_add+0x12f/0xa40 [ 1669.576256][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1669.576256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1669.576256][ T10] netlink_rcv_skb+0x130/0x360 [ 1669.576256][ T10] netlink_unicast+0x449/0x710 [ 1669.576256][ T10] netlink_sendmsg+0x723/0xbe0 [ 1669.576256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1669.576256][ T10] ___sys_sendmsg+0xee/0x170 [ 1669.576256][ T10] __sys_sendmsg+0xcd/0x170 [ 1669.576256][ T10] do_syscall_64+0xc6/0x1e0 [ 1669.576256][ T10] [ 1669.578559][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1669.578559][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1669.578559][ T10] ipv6_find_idev+0x102/0x170 [ 1669.578559][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1669.578559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1669.578559][ T10] netlink_rcv_skb+0x130/0x360 [ 1669.578559][ T10] netlink_unicast+0x449/0x710 [ 1669.578559][ T10] netlink_sendmsg+0x723/0xbe0 [ 1669.578559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1669.578559][ T10] ___sys_sendmsg+0xee/0x170 [ 1669.578559][ T10] __sys_sendmsg+0xcd/0x170 [ 1669.578559][ T10] do_syscall_64+0xc6/0x1e0 [ 1669.578559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1669.578559][ T10] [ 1669.580316][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1669.580316][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1669.580316][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1669.580316][ T10] ipv6_find_idev+0x102/0x170 [ 1669.580316][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1669.580316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1669.580316][ T10] netlink_rcv_skb+0x130/0x360 [ 1669.580316][ T10] netlink_unicast+0x449/0x710 [ 1669.580316][ T10] netlink_sendmsg+0x723/0xbe0 [ 1669.580316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1669.580316][ T10] ___sys_sendmsg+0xee/0x170 [ 1669.580316][ T10] __sys_sendmsg+0xcd/0x170 [ 1669.580316][ T10] do_syscall_64+0xc6/0x1e0 [ 1669.580316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1669.580316][ T10] [ 1669.582217][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1669.582460][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1669.582460][ T10] netdev_get_by_index+0x5e/0x80 [ 1669.582460][ T10] fib6_nh_init+0x3d8/0x1580 [ 1669.582460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1669.582460][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1669.582460][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1669.582460][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1669.582460][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1669.582460][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1669.582460][ T10] addrconf_dad_begin+0x310/0x670 [ 1669.582460][ T10] addrconf_dad_work+0x10b/0xab0 [ 1669.582460][ T10] process_one_work+0x84d/0x18a0 [ 1669.582460][ T10] worker_thread+0x587/0xd30 [ 1669.582460][ T10] kthread+0x28a/0x350 [ 1669.582460][ T10] ret_from_fork+0x31/0x70 [ 1669.582460][ T10] ret_from_fork_asm+0x1a/0x30 [ 1669.582460][ T10] [ 1669.584636][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1669.584636][ T10] netdev_get_by_index+0x5e/0x80 [ 1669.584636][ T10] fib6_nh_init+0x3d8/0x1580 [ 1669.584636][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1669.584636][ T10] ip6_route_add+0x1c/0x140 [ 1669.584636][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1669.584636][ T10] inet6_addr_add+0x4f8/0xa40 [ 1669.584636][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1669.584636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1669.584636][ T10] netlink_rcv_skb+0x130/0x360 [ 1669.584636][ T10] netlink_unicast+0x449/0x710 [ 1669.584636][ T10] netlink_sendmsg+0x723/0xbe0 [ 1669.584636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1669.584636][ T10] ___sys_sendmsg+0xee/0x170 [ 1669.584636][ T10] __sys_sendmsg+0xcd/0x170 [ 1669.584636][ T10] do_syscall_64+0xc6/0x1e0 [ 1669.584636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1669.584636][ T10] [ 1669.586955][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1669.586955][ T10] netdev_get_by_index+0x5e/0x80 [ 1669.586955][ T10] fib6_nh_init+0x3d8/0x1580 [ 1669.586955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1669.586955][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1669.586955][ T10] ipv6_add_addr+0x411/0x2000 [ 1669.586955][ T10] inet6_addr_add+0x30e/0xa40 [ 1669.586955][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1669.586955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1669.586955][ T10] netlink_rcv_skb+0x130/0x360 [ 1669.586955][ T10] netlink_unicast+0x449/0x710 [ 1669.586955][ T10] netlink_sendmsg+0x723/0xbe0 [ 1669.586955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1669.586955][ T10] ___sys_sendmsg+0xee/0x170 [ 1669.586955][ T10] __sys_sendmsg+0xcd/0x170 [ 1669.586955][ T10] do_syscall_64+0xc6/0x1e0 [ 1669.586955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1669.586955][ T10] [ 1669.589206][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1669.589206][ T10] netdev_get_by_index+0x5e/0x80 [ 1669.589206][ T10] fib6_nh_init+0x3d8/0x1580 [ 1669.589206][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1669.589206][ T10] ip6_route_add+0x1c/0x140 [ 1669.589206][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1669.589206][ T10] addrconf_add_dev+0xe2/0x170 [ 1669.589206][ T10] inet6_addr_add+0x12f/0xa40 [ 1669.589206][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1669.589206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1669.589206][ T10] netlink_rcv_skb+0x130/0x360 [ 1669.589206][ T10] netlink_unicast+0x449/0x710 [ 1669.589206][ T10] netlink_sendmsg+0x723/0xbe0 [ 1669.589206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1669.589206][ T10] ___sys_sendmsg+0xee/0x170 [ 1669.589206][ T10] __sys_sendmsg+0xcd/0x170 [ 1669.589206][ T10] do_syscall_64+0xc6/0x1e0 [ 1669.589206][ T10] [ 1669.591363][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1669.591363][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1669.591363][ T10] ipv6_find_idev+0x102/0x170 [ 1669.591363][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1669.591363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1669.591363][ T10] netlink_rcv_skb+0x130/0x360 [ 1669.591363][ T10] netlink_unicast+0x449/0x710 [ 1669.591363][ T10] netlink_sendmsg+0x723/0xbe0 [ 1669.591363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1669.591363][ T10] ___sys_sendmsg+0xee/0x170 [ 1669.591363][ T10] __sys_sendmsg+0xcd/0x170 [ 1669.591363][ T10] do_syscall_64+0xc6/0x1e0 [ 1669.591363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1669.591363][ T10] [ 1669.593097][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1669.593097][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1669.593097][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1669.593097][ T10] ipv6_find_idev+0x102/0x170 [ 1669.593097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1669.593097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1669.593097][ T10] netlink_rcv_skb+0x130/0x360 [ 1669.593097][ T10] netlink_unicast+0x449/0x710 [ 1669.593097][ T10] netlink_sendmsg+0x723/0xbe0 [ 1669.593097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1669.593097][ T10] ___sys_sendmsg+0xee/0x170 [ 1669.593097][ T10] __sys_sendmsg+0xcd/0x170 [ 1669.593097][ T10] do_syscall_64+0xc6/0x1e0 [ 1669.593097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1669.593097][ T10] [ 1677.097177][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1677.097650][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1677.097650][ T1167] dst_init+0x84/0x4a0 [ 1677.097650][ T1167] dst_alloc+0x97/0x150 [ 1677.097650][ T1167] ip6_dst_alloc+0x23/0x90 [ 1677.097650][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1677.097650][ T1167] ip6_pol_route+0x56f/0x840 [ 1677.097650][ T1167] fib6_rule_lookup+0x334/0x630 [ 1677.097650][ T1167] ip6_route_output_flags+0x259/0x480 [ 1677.097650][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1677.097650][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1677.097650][ T1167] netlink_rcv_skb+0x130/0x360 [ 1677.097650][ T1167] netlink_unicast+0x449/0x710 [ 1677.097650][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1677.097650][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1677.097650][ T1167] ___sys_sendmsg+0xee/0x170 [ 1677.097650][ T1167] __sys_sendmsg+0xcd/0x170 [ 1677.097650][ T1167] do_syscall_64+0xc6/0x1e0 [ 1677.097650][ T1167] [ 1677.099854][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1677.099854][ T1167] netdev_get_by_index+0x5e/0x80 [ 1677.099854][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1677.099854][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1677.099854][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1677.099854][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1677.099854][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1677.099854][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1677.099854][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1677.099854][ T1167] addrconf_dad_begin+0x310/0x670 [ 1677.099854][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1677.099854][ T1167] process_one_work+0x84d/0x18a0 [ 1677.099854][ T1167] worker_thread+0x587/0xd30 [ 1677.099854][ T1167] kthread+0x28a/0x350 [ 1677.099854][ T1167] ret_from_fork+0x31/0x70 [ 1677.099854][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1677.099854][ T1167] [ 1677.102018][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1677.102018][ T1167] netdev_get_by_index+0x5e/0x80 [ 1677.102018][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1677.102018][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1677.102018][ T1167] ip6_route_add+0x1c/0x140 [ 1677.102018][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1677.102018][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1677.102018][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1677.102018][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.102018][ T1167] netlink_rcv_skb+0x130/0x360 [ 1677.102018][ T1167] netlink_unicast+0x449/0x710 [ 1677.102018][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1677.102018][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1677.102018][ T1167] ___sys_sendmsg+0xee/0x170 [ 1677.102018][ T1167] __sys_sendmsg+0xcd/0x170 [ 1677.102018][ T1167] do_syscall_64+0xc6/0x1e0 [ 1677.102018][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.102018][ T1167] [ 1677.104248][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1677.104248][ T1167] netdev_get_by_index+0x5e/0x80 [ 1677.104248][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1677.104248][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1677.104248][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1677.104248][ T1167] ipv6_add_addr+0x411/0x2000 [ 1677.104248][ T1167] inet6_addr_add+0x30e/0xa40 [ 1677.104248][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1677.104248][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.104248][ T1167] netlink_rcv_skb+0x130/0x360 [ 1677.104248][ T1167] netlink_unicast+0x449/0x710 [ 1677.104248][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1677.104248][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1677.104248][ T1167] ___sys_sendmsg+0xee/0x170 [ 1677.104248][ T1167] __sys_sendmsg+0xcd/0x170 [ 1677.104248][ T1167] do_syscall_64+0xc6/0x1e0 [ 1677.104248][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.104248][ T1167] [ 1677.106487][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1677.106487][ T1167] netdev_get_by_index+0x5e/0x80 [ 1677.106487][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1677.106487][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1677.106487][ T1167] ip6_route_add+0x1c/0x140 [ 1677.106487][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1677.106487][ T1167] addrconf_add_dev+0xe2/0x170 [ 1677.106487][ T1167] inet6_addr_add+0x12f/0xa40 [ 1677.106487][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1677.106487][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.106487][ T1167] netlink_rcv_skb+0x130/0x360 [ 1677.106487][ T1167] netlink_unicast+0x449/0x710 [ 1677.106487][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1677.106487][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1677.106487][ T1167] ___sys_sendmsg+0xee/0x170 [ 1677.106487][ T1167] __sys_sendmsg+0xcd/0x170 [ 1677.106487][ T1167] do_syscall_64+0xc6/0x1e0 [ 1677.106487][ T1167] [ 1677.108687][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1677.108687][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1677.108687][ T1167] ipv6_find_idev+0x102/0x170 [ 1677.108687][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1677.108687][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.108687][ T1167] netlink_rcv_skb+0x130/0x360 [ 1677.108687][ T1167] netlink_unicast+0x449/0x710 [ 1677.108687][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1677.108687][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1677.108687][ T1167] ___sys_sendmsg+0xee/0x170 [ 1677.108687][ T1167] __sys_sendmsg+0xcd/0x170 [ 1677.108687][ T1167] do_syscall_64+0xc6/0x1e0 [ 1677.108687][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.108687][ T1167] [ 1677.110413][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1677.110413][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1677.110413][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1677.110413][ T1167] ipv6_find_idev+0x102/0x170 [ 1677.110413][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1677.110413][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.110413][ T1167] netlink_rcv_skb+0x130/0x360 [ 1677.110413][ T1167] netlink_unicast+0x449/0x710 [ 1677.110413][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1677.110413][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1677.110413][ T1167] ___sys_sendmsg+0xee/0x170 [ 1677.110413][ T1167] __sys_sendmsg+0xcd/0x170 [ 1677.110413][ T1167] do_syscall_64+0xc6/0x1e0 [ 1677.110413][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.110413][ T1167] [ 1679.657121][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1679.657577][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1679.657577][ T10] netdev_get_by_index+0x5e/0x80 [ 1679.657577][ T10] fib6_nh_init+0x3d8/0x1580 [ 1679.657577][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1679.657577][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1679.657577][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1679.657577][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1679.657577][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1679.657577][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1679.657577][ T10] addrconf_dad_begin+0x310/0x670 [ 1679.657577][ T10] addrconf_dad_work+0x10b/0xab0 [ 1679.657577][ T10] process_one_work+0x84d/0x18a0 [ 1679.657577][ T10] worker_thread+0x587/0xd30 [ 1679.657577][ T10] kthread+0x28a/0x350 [ 1679.657577][ T10] ret_from_fork+0x31/0x70 [ 1679.657577][ T10] ret_from_fork_asm+0x1a/0x30 [ 1679.657577][ T10] [ 1679.659533][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1679.659533][ T10] netdev_get_by_index+0x5e/0x80 [ 1679.659533][ T10] fib6_nh_init+0x3d8/0x1580 [ 1679.659533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1679.659533][ T10] ip6_route_add+0x1c/0x140 [ 1679.659533][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1679.659533][ T10] inet6_addr_add+0x4f8/0xa40 [ 1679.659533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1679.659533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1679.659533][ T10] netlink_rcv_skb+0x130/0x360 [ 1679.659533][ T10] netlink_unicast+0x449/0x710 [ 1679.659533][ T10] netlink_sendmsg+0x723/0xbe0 [ 1679.659533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1679.659533][ T10] ___sys_sendmsg+0xee/0x170 [ 1679.659533][ T10] __sys_sendmsg+0xcd/0x170 [ 1679.659533][ T10] do_syscall_64+0xc6/0x1e0 [ 1679.659533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1679.659533][ T10] [ 1679.661568][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1679.661568][ T10] netdev_get_by_index+0x5e/0x80 [ 1679.661568][ T10] fib6_nh_init+0x3d8/0x1580 [ 1679.661568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1679.661568][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1679.661568][ T10] ipv6_add_addr+0x411/0x2000 [ 1679.661568][ T10] inet6_addr_add+0x30e/0xa40 [ 1679.661568][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1679.661568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1679.661568][ T10] netlink_rcv_skb+0x130/0x360 [ 1679.661568][ T10] netlink_unicast+0x449/0x710 [ 1679.661568][ T10] netlink_sendmsg+0x723/0xbe0 [ 1679.661568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1679.661568][ T10] ___sys_sendmsg+0xee/0x170 [ 1679.661568][ T10] __sys_sendmsg+0xcd/0x170 [ 1679.661568][ T10] do_syscall_64+0xc6/0x1e0 [ 1679.661568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1679.661568][ T10] [ 1679.663579][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1679.663579][ T10] netdev_get_by_index+0x5e/0x80 [ 1679.663579][ T10] fib6_nh_init+0x3d8/0x1580 [ 1679.663579][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1679.663579][ T10] ip6_route_add+0x1c/0x140 [ 1679.663579][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1679.663579][ T10] addrconf_add_dev+0xe2/0x170 [ 1679.663579][ T10] inet6_addr_add+0x12f/0xa40 [ 1679.663579][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1679.663579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1679.663579][ T10] netlink_rcv_skb+0x130/0x360 [ 1679.663579][ T10] netlink_unicast+0x449/0x710 [ 1679.663579][ T10] netlink_sendmsg+0x723/0xbe0 [ 1679.663579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1679.663579][ T10] ___sys_sendmsg+0xee/0x170 [ 1679.663579][ T10] __sys_sendmsg+0xcd/0x170 [ 1679.663579][ T10] do_syscall_64+0xc6/0x1e0 [ 1679.663579][ T10] [ 1679.665551][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1679.665551][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1679.665551][ T10] ipv6_find_idev+0x102/0x170 [ 1679.665551][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1679.665551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1679.665551][ T10] netlink_rcv_skb+0x130/0x360 [ 1679.665551][ T10] netlink_unicast+0x449/0x710 [ 1679.665551][ T10] netlink_sendmsg+0x723/0xbe0 [ 1679.665551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1679.665551][ T10] ___sys_sendmsg+0xee/0x170 [ 1679.665551][ T10] __sys_sendmsg+0xcd/0x170 [ 1679.665551][ T10] do_syscall_64+0xc6/0x1e0 [ 1679.665551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1679.665551][ T10] [ 1679.667236][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1679.667236][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1679.667236][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1679.667236][ T10] ipv6_find_idev+0x102/0x170 [ 1679.667236][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1679.667236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1679.667236][ T10] netlink_rcv_skb+0x130/0x360 [ 1679.667236][ T10] netlink_unicast+0x449/0x710 [ 1679.667236][ T10] netlink_sendmsg+0x723/0xbe0 [ 1679.667236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1679.667236][ T10] ___sys_sendmsg+0xee/0x170 [ 1679.667236][ T10] __sys_sendmsg+0xcd/0x170 [ 1679.667236][ T10] do_syscall_64+0xc6/0x1e0 [ 1679.667236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1679.667236][ T10] [ 1679.668944][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1679.669207][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1679.669207][ T10] netdev_get_by_index+0x5e/0x80 [ 1679.669207][ T10] fib6_nh_init+0x3d8/0x1580 [ 1679.669207][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1679.669207][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1679.669207][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1679.669207][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1679.669207][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1679.669207][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1679.669207][ T10] addrconf_dad_begin+0x310/0x670 [ 1679.669207][ T10] addrconf_dad_work+0x10b/0xab0 [ 1679.669207][ T10] process_one_work+0x84d/0x18a0 [ 1679.669207][ T10] worker_thread+0x587/0xd30 [ 1679.669207][ T10] kthread+0x28a/0x350 [ 1679.669207][ T10] ret_from_fork+0x31/0x70 [ 1679.669207][ T10] ret_from_fork_asm+0x1a/0x30 [ 1679.669207][ T10] [ 1679.671121][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1679.671121][ T10] netdev_get_by_index+0x5e/0x80 [ 1679.671121][ T10] fib6_nh_init+0x3d8/0x1580 [ 1679.671121][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1679.671121][ T10] ip6_route_add+0x1c/0x140 [ 1679.671121][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1679.671121][ T10] inet6_addr_add+0x4f8/0xa40 [ 1679.671121][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1679.671121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1679.671121][ T10] netlink_rcv_skb+0x130/0x360 [ 1679.671121][ T10] netlink_unicast+0x449/0x710 [ 1679.671121][ T10] netlink_sendmsg+0x723/0xbe0 [ 1679.671121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1679.671121][ T10] ___sys_sendmsg+0xee/0x170 [ 1679.671121][ T10] __sys_sendmsg+0xcd/0x170 [ 1679.671121][ T10] do_syscall_64+0xc6/0x1e0 [ 1679.671121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1679.671121][ T10] [ 1679.673114][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1679.673114][ T10] netdev_get_by_index+0x5e/0x80 [ 1679.673114][ T10] fib6_nh_init+0x3d8/0x1580 [ 1679.673114][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1679.673114][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1679.673114][ T10] ipv6_add_addr+0x411/0x2000 [ 1679.673114][ T10] inet6_addr_add+0x30e/0xa40 [ 1679.673114][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1679.673114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1679.673114][ T10] netlink_rcv_skb+0x130/0x360 [ 1679.673114][ T10] netlink_unicast+0x449/0x710 [ 1679.673114][ T10] netlink_sendmsg+0x723/0xbe0 [ 1679.673114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1679.673114][ T10] ___sys_sendmsg+0xee/0x170 [ 1679.673114][ T10] __sys_sendmsg+0xcd/0x170 [ 1679.673114][ T10] do_syscall_64+0xc6/0x1e0 [ 1679.673114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1679.673114][ T10] [ 1679.675093][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1679.675093][ T10] netdev_get_by_index+0x5e/0x80 [ 1679.675093][ T10] fib6_nh_init+0x3d8/0x1580 [ 1679.675093][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1679.675093][ T10] ip6_route_add+0x1c/0x140 [ 1679.675093][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1679.675093][ T10] addrconf_add_dev+0xe2/0x170 [ 1679.675093][ T10] inet6_addr_add+0x12f/0xa40 [ 1679.675093][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1679.675093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1679.675093][ T10] netlink_rcv_skb+0x130/0x360 [ 1679.675093][ T10] netlink_unicast+0x449/0x710 [ 1679.675093][ T10] netlink_sendmsg+0x723/0xbe0 [ 1679.675093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1679.675093][ T10] ___sys_sendmsg+0xee/0x170 [ 1679.675093][ T10] __sys_sendmsg+0xcd/0x170 [ 1679.675093][ T10] do_syscall_64+0xc6/0x1e0 [ 1679.675093][ T10] [ 1679.677043][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1679.677043][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1679.677043][ T10] ipv6_find_idev+0x102/0x170 [ 1679.677043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1679.677043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1679.677043][ T10] netlink_rcv_skb+0x130/0x360 [ 1679.677043][ T10] netlink_unicast+0x449/0x710 [ 1679.677043][ T10] netlink_sendmsg+0x723/0xbe0 [ 1679.677043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1679.677043][ T10] ___sys_sendmsg+0xee/0x170 [ 1679.677043][ T10] __sys_sendmsg+0xcd/0x170 [ 1679.677043][ T10] do_syscall_64+0xc6/0x1e0 [ 1679.677043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1679.677043][ T10] [ 1679.678580][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1679.678580][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1679.678580][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1679.678580][ T10] ipv6_find_idev+0x102/0x170 [ 1679.678580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1679.678580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1679.678580][ T10] netlink_rcv_skb+0x130/0x360 [ 1679.678580][ T10] netlink_unicast+0x449/0x710 [ 1679.678580][ T10] netlink_sendmsg+0x723/0xbe0 [ 1679.678580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1679.678580][ T10] ___sys_sendmsg+0xee/0x170 [ 1679.678580][ T10] __sys_sendmsg+0xcd/0x170 [ 1679.678580][ T10] do_syscall_64+0xc6/0x1e0 [ 1679.678580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1679.678580][ T10] [ 1679.680282][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1679.680526][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1679.680526][ T10] netdev_get_by_index+0x5e/0x80 [ 1679.680526][ T10] fib6_nh_init+0x3d8/0x1580 [ 1679.680526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1679.680526][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1679.680526][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1679.680526][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1679.680526][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1679.680526][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1679.680526][ T10] addrconf_dad_begin+0x310/0x670 [ 1679.680526][ T10] addrconf_dad_work+0x10b/0xab0 [ 1679.680526][ T10] process_one_work+0x84d/0x18a0 [ 1679.680526][ T10] worker_thread+0x587/0xd30 [ 1679.680526][ T10] kthread+0x28a/0x350 [ 1679.680526][ T10] ret_from_fork+0x31/0x70 [ 1679.680526][ T10] ret_from_fork_asm+0x1a/0x30 [ 1679.680526][ T10] [ 1679.682430][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1679.682430][ T10] netdev_get_by_index+0x5e/0x80 [ 1679.682430][ T10] fib6_nh_init+0x3d8/0x1580 [ 1679.682430][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1679.682430][ T10] ip6_route_add+0x1c/0x140 [ 1679.682430][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1679.682430][ T10] inet6_addr_add+0x4f8/0xa40 [ 1679.682430][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1679.682430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1679.682430][ T10] netlink_rcv_skb+0x130/0x360 [ 1679.682430][ T10] netlink_unicast+0x449/0x710 [ 1679.682430][ T10] netlink_sendmsg+0x723/0xbe0 [ 1679.682430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1679.682430][ T10] ___sys_sendmsg+0xee/0x170 [ 1679.682430][ T10] __sys_sendmsg+0xcd/0x170 [ 1679.682430][ T10] do_syscall_64+0xc6/0x1e0 [ 1679.682430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1679.682430][ T10] [ 1679.684512][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1679.684512][ T10] netdev_get_by_index+0x5e/0x80 [ 1679.684512][ T10] fib6_nh_init+0x3d8/0x1580 [ 1679.684512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1679.684512][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1679.684512][ T10] ipv6_add_addr+0x411/0x2000 [ 1679.684512][ T10] inet6_addr_add+0x30e/0xa40 [ 1679.684512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1679.684512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1679.684512][ T10] netlink_rcv_skb+0x130/0x360 [ 1679.684512][ T10] netlink_unicast+0x449/0x710 [ 1679.684512][ T10] netlink_sendmsg+0x723/0xbe0 [ 1679.684512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1679.684512][ T10] ___sys_sendmsg+0xee/0x170 [ 1679.684512][ T10] __sys_sendmsg+0xcd/0x170 [ 1679.684512][ T10] do_syscall_64+0xc6/0x1e0 [ 1679.684512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1679.684512][ T10] [ 1679.686661][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1679.686661][ T10] netdev_get_by_index+0x5e/0x80 [ 1679.686661][ T10] fib6_nh_init+0x3d8/0x1580 [ 1679.686661][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1679.686661][ T10] ip6_route_add+0x1c/0x140 [ 1679.686661][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1679.686661][ T10] addrconf_add_dev+0xe2/0x170 [ 1679.686661][ T10] inet6_addr_add+0x12f/0xa40 [ 1679.686661][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1679.686661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1679.686661][ T10] netlink_rcv_skb+0x130/0x360 [ 1679.686661][ T10] netlink_unicast+0x449/0x710 [ 1679.686661][ T10] netlink_sendmsg+0x723/0xbe0 [ 1679.686661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1679.686661][ T10] ___sys_sendmsg+0xee/0x170 [ 1679.686661][ T10] __sys_sendmsg+0xcd/0x170 [ 1679.686661][ T10] do_syscall_64+0xc6/0x1e0 [ 1679.686661][ T10] [ 1679.688688][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1679.688688][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1679.688688][ T10] ipv6_find_idev+0x102/0x170 [ 1679.688688][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1679.688688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1679.688688][ T10] netlink_rcv_skb+0x130/0x360 [ 1679.688688][ T10] netlink_unicast+0x449/0x710 [ 1679.688688][ T10] netlink_sendmsg+0x723/0xbe0 [ 1679.688688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1679.688688][ T10] ___sys_sendmsg+0xee/0x170 [ 1679.688688][ T10] __sys_sendmsg+0xcd/0x170 [ 1679.688688][ T10] do_syscall_64+0xc6/0x1e0 [ 1679.688688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1679.688688][ T10] [ 1679.690292][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1679.690292][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1679.690292][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1679.690292][ T10] ipv6_find_idev+0x102/0x170 [ 1679.690292][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1679.690292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1679.690292][ T10] netlink_rcv_skb+0x130/0x360 [ 1679.690292][ T10] netlink_unicast+0x449/0x710 [ 1679.690292][ T10] netlink_sendmsg+0x723/0xbe0 [ 1679.690292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1679.690292][ T10] ___sys_sendmsg+0xee/0x170 [ 1679.690292][ T10] __sys_sendmsg+0xcd/0x170 [ 1679.690292][ T10] do_syscall_64+0xc6/0x1e0 [ 1679.690292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1679.690292][ T10] [ 1679.692036][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1679.692276][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1679.692276][ T10] netdev_get_by_index+0x5e/0x80 [ 1679.692276][ T10] fib6_nh_init+0x3d8/0x1580 [ 1679.692276][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1679.692276][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1679.692276][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1679.692276][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1679.692276][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1679.692276][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1679.692276][ T10] addrconf_dad_begin+0x310/0x670 [ 1679.692276][ T10] addrconf_dad_work+0x10b/0xab0 [ 1679.692276][ T10] process_one_work+0x84d/0x18a0 [ 1679.692276][ T10] worker_thread+0x587/0xd30 [ 1679.692276][ T10] kthread+0x28a/0x350 [ 1679.692276][ T10] ret_from_fork+0x31/0x70 [ 1679.692276][ T10] ret_from_fork_asm+0x1a/0x30 [ 1679.692276][ T10] [ 1679.694308][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1679.694308][ T10] netdev_get_by_index+0x5e/0x80 [ 1679.694308][ T10] fib6_nh_init+0x3d8/0x1580 [ 1679.694308][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1679.694308][ T10] ip6_route_add+0x1c/0x140 [ 1679.694308][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1679.694308][ T10] inet6_addr_add+0x4f8/0xa40 [ 1679.694308][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1679.694308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1679.694308][ T10] netlink_rcv_skb+0x130/0x360 [ 1679.694308][ T10] netlink_unicast+0x449/0x710 [ 1679.694308][ T10] netlink_sendmsg+0x723/0xbe0 [ 1679.694308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1679.694308][ T10] ___sys_sendmsg+0xee/0x170 [ 1679.694308][ T10] __sys_sendmsg+0xcd/0x170 [ 1679.694308][ T10] do_syscall_64+0xc6/0x1e0 [ 1679.694308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1679.694308][ T10] [ 1679.696361][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1679.696361][ T10] netdev_get_by_index+0x5e/0x80 [ 1679.696361][ T10] fib6_nh_init+0x3d8/0x1580 [ 1679.696361][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1679.696361][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1679.696361][ T10] ipv6_add_addr+0x411/0x2000 [ 1679.696361][ T10] inet6_addr_add+0x30e/0xa40 [ 1679.696361][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1679.696361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1679.696361][ T10] netlink_rcv_skb+0x130/0x360 [ 1679.696361][ T10] netlink_unicast+0x449/0x710 [ 1679.696361][ T10] netlink_sendmsg+0x723/0xbe0 [ 1679.696361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1679.696361][ T10] ___sys_sendmsg+0xee/0x170 [ 1679.696361][ T10] __sys_sendmsg+0xcd/0x170 [ 1679.696361][ T10] do_syscall_64+0xc6/0x1e0 [ 1679.696361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1679.696361][ T10] [ 1679.698404][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1679.698404][ T10] netdev_get_by_index+0x5e/0x80 [ 1679.698404][ T10] fib6_nh_init+0x3d8/0x1580 [ 1679.698404][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1679.698404][ T10] ip6_route_add+0x1c/0x140 [ 1679.698404][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1679.698404][ T10] addrconf_add_dev+0xe2/0x170 [ 1679.698404][ T10] inet6_addr_add+0x12f/0xa40 [ 1679.698404][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1679.698404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1679.698404][ T10] netlink_rcv_skb+0x130/0x360 [ 1679.698404][ T10] netlink_unicast+0x449/0x710 [ 1679.698404][ T10] netlink_sendmsg+0x723/0xbe0 [ 1679.698404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1679.698404][ T10] ___sys_sendmsg+0xee/0x170 [ 1679.698404][ T10] __sys_sendmsg+0xcd/0x170 [ 1679.698404][ T10] do_syscall_64+0xc6/0x1e0 [ 1679.698404][ T10] [ 1679.700438][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1679.700438][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1679.700438][ T10] ipv6_find_idev+0x102/0x170 [ 1679.700438][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1679.700438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1679.700438][ T10] netlink_rcv_skb+0x130/0x360 [ 1679.700438][ T10] netlink_unicast+0x449/0x710 [ 1679.700438][ T10] netlink_sendmsg+0x723/0xbe0 [ 1679.700438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1679.700438][ T10] ___sys_sendmsg+0xee/0x170 [ 1679.700438][ T10] __sys_sendmsg+0xcd/0x170 [ 1679.700438][ T10] do_syscall_64+0xc6/0x1e0 [ 1679.700438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1679.700438][ T10] [ 1679.702043][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1679.702043][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1679.702043][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1679.702043][ T10] ipv6_find_idev+0x102/0x170 [ 1679.702043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1679.702043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1679.702043][ T10] netlink_rcv_skb+0x130/0x360 [ 1679.702043][ T10] netlink_unicast+0x449/0x710 [ 1679.702043][ T10] netlink_sendmsg+0x723/0xbe0 [ 1679.702043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1679.702043][ T10] ___sys_sendmsg+0xee/0x170 [ 1679.702043][ T10] __sys_sendmsg+0xcd/0x170 [ 1679.702043][ T10] do_syscall_64+0xc6/0x1e0 [ 1679.702043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1679.702043][ T10] [ 1687.361056][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1687.361550][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1687.361550][ T1167] dst_init+0x84/0x4a0 [ 1687.361550][ T1167] dst_alloc+0x97/0x150 [ 1687.361550][ T1167] ip6_dst_alloc+0x23/0x90 [ 1687.361550][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1687.361550][ T1167] ip6_pol_route+0x56f/0x840 [ 1687.361550][ T1167] fib6_rule_lookup+0x334/0x630 [ 1687.361550][ T1167] ip6_route_output_flags+0x259/0x480 [ 1687.361550][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1687.361550][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1687.361550][ T1167] netlink_rcv_skb+0x130/0x360 [ 1687.361550][ T1167] netlink_unicast+0x449/0x710 [ 1687.361550][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1687.361550][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1687.361550][ T1167] ___sys_sendmsg+0xee/0x170 [ 1687.361550][ T1167] __sys_sendmsg+0xcd/0x170 [ 1687.361550][ T1167] do_syscall_64+0xc6/0x1e0 [ 1687.361550][ T1167] [ 1687.363945][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1687.363945][ T1167] netdev_get_by_index+0x5e/0x80 [ 1687.363945][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1687.363945][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1687.363945][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1687.363945][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1687.363945][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1687.363945][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1687.363945][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1687.363945][ T1167] addrconf_dad_begin+0x310/0x670 [ 1687.363945][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1687.363945][ T1167] process_one_work+0x84d/0x18a0 [ 1687.363945][ T1167] worker_thread+0x587/0xd30 [ 1687.363945][ T1167] kthread+0x28a/0x350 [ 1687.363945][ T1167] ret_from_fork+0x31/0x70 [ 1687.363945][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1687.363945][ T1167] [ 1687.366277][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1687.366277][ T1167] netdev_get_by_index+0x5e/0x80 [ 1687.366277][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1687.366277][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1687.366277][ T1167] ip6_route_add+0x1c/0x140 [ 1687.366277][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1687.366277][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1687.366277][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1687.366277][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.366277][ T1167] netlink_rcv_skb+0x130/0x360 [ 1687.366277][ T1167] netlink_unicast+0x449/0x710 [ 1687.366277][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1687.366277][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1687.366277][ T1167] ___sys_sendmsg+0xee/0x170 [ 1687.366277][ T1167] __sys_sendmsg+0xcd/0x170 [ 1687.366277][ T1167] do_syscall_64+0xc6/0x1e0 [ 1687.366277][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.366277][ T1167] [ 1687.368736][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1687.368736][ T1167] netdev_get_by_index+0x5e/0x80 [ 1687.368736][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1687.368736][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1687.368736][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1687.368736][ T1167] ipv6_add_addr+0x411/0x2000 [ 1687.368736][ T1167] inet6_addr_add+0x30e/0xa40 [ 1687.368736][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1687.368736][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.368736][ T1167] netlink_rcv_skb+0x130/0x360 [ 1687.368736][ T1167] netlink_unicast+0x449/0x710 [ 1687.368736][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1687.368736][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1687.368736][ T1167] ___sys_sendmsg+0xee/0x170 [ 1687.368736][ T1167] __sys_sendmsg+0xcd/0x170 [ 1687.368736][ T1167] do_syscall_64+0xc6/0x1e0 [ 1687.368736][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.368736][ T1167] [ 1687.371127][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1687.371127][ T1167] netdev_get_by_index+0x5e/0x80 [ 1687.371127][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1687.371127][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1687.371127][ T1167] ip6_route_add+0x1c/0x140 [ 1687.371127][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1687.371127][ T1167] addrconf_add_dev+0xe2/0x170 [ 1687.371127][ T1167] inet6_addr_add+0x12f/0xa40 [ 1687.371127][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1687.371127][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.371127][ T1167] netlink_rcv_skb+0x130/0x360 [ 1687.371127][ T1167] netlink_unicast+0x449/0x710 [ 1687.371127][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1687.371127][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1687.371127][ T1167] ___sys_sendmsg+0xee/0x170 [ 1687.371127][ T1167] __sys_sendmsg+0xcd/0x170 [ 1687.371127][ T1167] do_syscall_64+0xc6/0x1e0 [ 1687.371127][ T1167] [ 1687.373332][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1687.373332][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1687.373332][ T1167] ipv6_find_idev+0x102/0x170 [ 1687.373332][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1687.373332][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.373332][ T1167] netlink_rcv_skb+0x130/0x360 [ 1687.373332][ T1167] netlink_unicast+0x449/0x710 [ 1687.373332][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1687.373332][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1687.373332][ T1167] ___sys_sendmsg+0xee/0x170 [ 1687.373332][ T1167] __sys_sendmsg+0xcd/0x170 [ 1687.373332][ T1167] do_syscall_64+0xc6/0x1e0 [ 1687.373332][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.373332][ T1167] [ 1687.375101][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1687.375101][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1687.375101][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1687.375101][ T1167] ipv6_find_idev+0x102/0x170 [ 1687.375101][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1687.375101][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.375101][ T1167] netlink_rcv_skb+0x130/0x360 [ 1687.375101][ T1167] netlink_unicast+0x449/0x710 [ 1687.375101][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1687.375101][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1687.375101][ T1167] ___sys_sendmsg+0xee/0x170 [ 1687.375101][ T1167] __sys_sendmsg+0xcd/0x170 [ 1687.375101][ T1167] do_syscall_64+0xc6/0x1e0 [ 1687.375101][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.375101][ T1167] [ 1689.945155][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1689.945613][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1689.945613][ T10] netdev_get_by_index+0x5e/0x80 [ 1689.945613][ T10] fib6_nh_init+0x3d8/0x1580 [ 1689.945613][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1689.945613][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1689.945613][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1689.945613][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1689.945613][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1689.945613][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1689.945613][ T10] addrconf_dad_begin+0x310/0x670 [ 1689.945613][ T10] addrconf_dad_work+0x10b/0xab0 [ 1689.945613][ T10] process_one_work+0x84d/0x18a0 [ 1689.945613][ T10] worker_thread+0x587/0xd30 [ 1689.945613][ T10] kthread+0x28a/0x350 [ 1689.945613][ T10] ret_from_fork+0x31/0x70 [ 1689.945613][ T10] ret_from_fork_asm+0x1a/0x30 [ 1689.945613][ T10] [ 1689.947620][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1689.947620][ T10] netdev_get_by_index+0x5e/0x80 [ 1689.947620][ T10] fib6_nh_init+0x3d8/0x1580 [ 1689.947620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1689.947620][ T10] ip6_route_add+0x1c/0x140 [ 1689.947620][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1689.947620][ T10] inet6_addr_add+0x4f8/0xa40 [ 1689.947620][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1689.947620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1689.947620][ T10] netlink_rcv_skb+0x130/0x360 [ 1689.947620][ T10] netlink_unicast+0x449/0x710 [ 1689.947620][ T10] netlink_sendmsg+0x723/0xbe0 [ 1689.947620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1689.947620][ T10] ___sys_sendmsg+0xee/0x170 [ 1689.947620][ T10] __sys_sendmsg+0xcd/0x170 [ 1689.947620][ T10] do_syscall_64+0xc6/0x1e0 [ 1689.947620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1689.947620][ T10] [ 1689.949672][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1689.949672][ T10] netdev_get_by_index+0x5e/0x80 [ 1689.949672][ T10] fib6_nh_init+0x3d8/0x1580 [ 1689.949672][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1689.949672][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1689.949672][ T10] ipv6_add_addr+0x411/0x2000 [ 1689.949672][ T10] inet6_addr_add+0x30e/0xa40 [ 1689.949672][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1689.949672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1689.949672][ T10] netlink_rcv_skb+0x130/0x360 [ 1689.949672][ T10] netlink_unicast+0x449/0x710 [ 1689.949672][ T10] netlink_sendmsg+0x723/0xbe0 [ 1689.949672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1689.949672][ T10] ___sys_sendmsg+0xee/0x170 [ 1689.949672][ T10] __sys_sendmsg+0xcd/0x170 [ 1689.949672][ T10] do_syscall_64+0xc6/0x1e0 [ 1689.949672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1689.949672][ T10] [ 1689.951720][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1689.951720][ T10] netdev_get_by_index+0x5e/0x80 [ 1689.951720][ T10] fib6_nh_init+0x3d8/0x1580 [ 1689.951720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1689.951720][ T10] ip6_route_add+0x1c/0x140 [ 1689.951720][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1689.951720][ T10] addrconf_add_dev+0xe2/0x170 [ 1689.951720][ T10] inet6_addr_add+0x12f/0xa40 [ 1689.951720][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1689.951720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1689.951720][ T10] netlink_rcv_skb+0x130/0x360 [ 1689.951720][ T10] netlink_unicast+0x449/0x710 [ 1689.951720][ T10] netlink_sendmsg+0x723/0xbe0 [ 1689.951720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1689.951720][ T10] ___sys_sendmsg+0xee/0x170 [ 1689.951720][ T10] __sys_sendmsg+0xcd/0x170 [ 1689.951720][ T10] do_syscall_64+0xc6/0x1e0 [ 1689.951720][ T10] [ 1689.953711][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1689.953711][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1689.953711][ T10] ipv6_find_idev+0x102/0x170 [ 1689.953711][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1689.953711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1689.953711][ T10] netlink_rcv_skb+0x130/0x360 [ 1689.953711][ T10] netlink_unicast+0x449/0x710 [ 1689.953711][ T10] netlink_sendmsg+0x723/0xbe0 [ 1689.953711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1689.953711][ T10] ___sys_sendmsg+0xee/0x170 [ 1689.953711][ T10] __sys_sendmsg+0xcd/0x170 [ 1689.953711][ T10] do_syscall_64+0xc6/0x1e0 [ 1689.953711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1689.953711][ T10] [ 1689.955280][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1689.955280][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1689.955280][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1689.955280][ T10] ipv6_find_idev+0x102/0x170 [ 1689.955280][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1689.955280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1689.955280][ T10] netlink_rcv_skb+0x130/0x360 [ 1689.955280][ T10] netlink_unicast+0x449/0x710 [ 1689.955280][ T10] netlink_sendmsg+0x723/0xbe0 [ 1689.955280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1689.955280][ T10] ___sys_sendmsg+0xee/0x170 [ 1689.955280][ T10] __sys_sendmsg+0xcd/0x170 [ 1689.955280][ T10] do_syscall_64+0xc6/0x1e0 [ 1689.955280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1689.955280][ T10] [ 1689.957084][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1689.957390][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1689.957390][ T10] netdev_get_by_index+0x5e/0x80 [ 1689.957390][ T10] fib6_nh_init+0x3d8/0x1580 [ 1689.957390][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1689.957390][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1689.957390][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1689.957390][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1689.957390][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1689.957390][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1689.957390][ T10] addrconf_dad_begin+0x310/0x670 [ 1689.957390][ T10] addrconf_dad_work+0x10b/0xab0 [ 1689.957390][ T10] process_one_work+0x84d/0x18a0 [ 1689.957390][ T10] worker_thread+0x587/0xd30 [ 1689.957390][ T10] kthread+0x28a/0x350 [ 1689.957390][ T10] ret_from_fork+0x31/0x70 [ 1689.957390][ T10] ret_from_fork_asm+0x1a/0x30 [ 1689.957390][ T10] [ 1689.959438][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1689.959438][ T10] netdev_get_by_index+0x5e/0x80 [ 1689.959438][ T10] fib6_nh_init+0x3d8/0x1580 [ 1689.959438][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1689.959438][ T10] ip6_route_add+0x1c/0x140 [ 1689.959438][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1689.959438][ T10] inet6_addr_add+0x4f8/0xa40 [ 1689.959438][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1689.959438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1689.959438][ T10] netlink_rcv_skb+0x130/0x360 [ 1689.959438][ T10] netlink_unicast+0x449/0x710 [ 1689.959438][ T10] netlink_sendmsg+0x723/0xbe0 [ 1689.959438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1689.959438][ T10] ___sys_sendmsg+0xee/0x170 [ 1689.959438][ T10] __sys_sendmsg+0xcd/0x170 [ 1689.959438][ T10] do_syscall_64+0xc6/0x1e0 [ 1689.959438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1689.959438][ T10] [ 1689.961549][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1689.961549][ T10] netdev_get_by_index+0x5e/0x80 [ 1689.961549][ T10] fib6_nh_init+0x3d8/0x1580 [ 1689.961549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1689.961549][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1689.961549][ T10] ipv6_add_addr+0x411/0x2000 [ 1689.961549][ T10] inet6_addr_add+0x30e/0xa40 [ 1689.961549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1689.961549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1689.961549][ T10] netlink_rcv_skb+0x130/0x360 [ 1689.961549][ T10] netlink_unicast+0x449/0x710 [ 1689.961549][ T10] netlink_sendmsg+0x723/0xbe0 [ 1689.961549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1689.961549][ T10] ___sys_sendmsg+0xee/0x170 [ 1689.961549][ T10] __sys_sendmsg+0xcd/0x170 [ 1689.961549][ T10] do_syscall_64+0xc6/0x1e0 [ 1689.961549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1689.961549][ T10] [ 1689.963588][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1689.963588][ T10] netdev_get_by_index+0x5e/0x80 [ 1689.963588][ T10] fib6_nh_init+0x3d8/0x1580 [ 1689.963588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1689.963588][ T10] ip6_route_add+0x1c/0x140 [ 1689.963588][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1689.963588][ T10] addrconf_add_dev+0xe2/0x170 [ 1689.963588][ T10] inet6_addr_add+0x12f/0xa40 [ 1689.963588][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1689.963588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1689.963588][ T10] netlink_rcv_skb+0x130/0x360 [ 1689.963588][ T10] netlink_unicast+0x449/0x710 [ 1689.963588][ T10] netlink_sendmsg+0x723/0xbe0 [ 1689.963588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1689.963588][ T10] ___sys_sendmsg+0xee/0x170 [ 1689.963588][ T10] __sys_sendmsg+0xcd/0x170 [ 1689.963588][ T10] do_syscall_64+0xc6/0x1e0 [ 1689.963588][ T10] [ 1689.965710][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1689.965710][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1689.965710][ T10] ipv6_find_idev+0x102/0x170 [ 1689.965710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1689.965710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1689.965710][ T10] netlink_rcv_skb+0x130/0x360 [ 1689.965710][ T10] netlink_unicast+0x449/0x710 [ 1689.965710][ T10] netlink_sendmsg+0x723/0xbe0 [ 1689.965710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1689.965710][ T10] ___sys_sendmsg+0xee/0x170 [ 1689.965710][ T10] __sys_sendmsg+0xcd/0x170 [ 1689.965710][ T10] do_syscall_64+0xc6/0x1e0 [ 1689.965710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1689.965710][ T10] [ 1689.967321][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1689.967321][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1689.967321][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1689.967321][ T10] ipv6_find_idev+0x102/0x170 [ 1689.967321][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1689.967321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1689.967321][ T10] netlink_rcv_skb+0x130/0x360 [ 1689.967321][ T10] netlink_unicast+0x449/0x710 [ 1689.967321][ T10] netlink_sendmsg+0x723/0xbe0 [ 1689.967321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1689.967321][ T10] ___sys_sendmsg+0xee/0x170 [ 1689.967321][ T10] __sys_sendmsg+0xcd/0x170 [ 1689.967321][ T10] do_syscall_64+0xc6/0x1e0 [ 1689.967321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1689.967321][ T10] [ 1689.969050][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1689.969308][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1689.969308][ T10] netdev_get_by_index+0x5e/0x80 [ 1689.969308][ T10] fib6_nh_init+0x3d8/0x1580 [ 1689.969308][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1689.969308][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1689.969308][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1689.969308][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1689.969308][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1689.969308][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1689.969308][ T10] addrconf_dad_begin+0x310/0x670 [ 1689.969308][ T10] addrconf_dad_work+0x10b/0xab0 [ 1689.969308][ T10] process_one_work+0x84d/0x18a0 [ 1689.969308][ T10] worker_thread+0x587/0xd30 [ 1689.969308][ T10] kthread+0x28a/0x350 [ 1689.969308][ T10] ret_from_fork+0x31/0x70 [ 1689.969308][ T10] ret_from_fork_asm+0x1a/0x30 [ 1689.969308][ T10] [ 1689.971296][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1689.971296][ T10] netdev_get_by_index+0x5e/0x80 [ 1689.971296][ T10] fib6_nh_init+0x3d8/0x1580 [ 1689.971296][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1689.971296][ T10] ip6_route_add+0x1c/0x140 [ 1689.971296][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1689.971296][ T10] inet6_addr_add+0x4f8/0xa40 [ 1689.971296][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1689.971296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1689.971296][ T10] netlink_rcv_skb+0x130/0x360 [ 1689.971296][ T10] netlink_unicast+0x449/0x710 [ 1689.971296][ T10] netlink_sendmsg+0x723/0xbe0 [ 1689.971296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1689.971296][ T10] ___sys_sendmsg+0xee/0x170 [ 1689.971296][ T10] __sys_sendmsg+0xcd/0x170 [ 1689.971296][ T10] do_syscall_64+0xc6/0x1e0 [ 1689.971296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1689.971296][ T10] [ 1689.973512][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1689.973512][ T10] netdev_get_by_index+0x5e/0x80 [ 1689.973512][ T10] fib6_nh_init+0x3d8/0x1580 [ 1689.973512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1689.973512][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1689.973512][ T10] ipv6_add_addr+0x411/0x2000 [ 1689.973512][ T10] inet6_addr_add+0x30e/0xa40 [ 1689.973512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1689.973512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1689.973512][ T10] netlink_rcv_skb+0x130/0x360 [ 1689.973512][ T10] netlink_unicast+0x449/0x710 [ 1689.973512][ T10] netlink_sendmsg+0x723/0xbe0 [ 1689.973512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1689.973512][ T10] ___sys_sendmsg+0xee/0x170 [ 1689.973512][ T10] __sys_sendmsg+0xcd/0x170 [ 1689.973512][ T10] do_syscall_64+0xc6/0x1e0 [ 1689.973512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1689.973512][ T10] [ 1689.975836][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1689.975836][ T10] netdev_get_by_index+0x5e/0x80 [ 1689.975836][ T10] fib6_nh_init+0x3d8/0x1580 [ 1689.975836][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1689.975836][ T10] ip6_route_add+0x1c/0x140 [ 1689.975836][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1689.975836][ T10] addrconf_add_dev+0xe2/0x170 [ 1689.975836][ T10] inet6_addr_add+0x12f/0xa40 [ 1689.975836][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1689.975836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1689.975836][ T10] netlink_rcv_skb+0x130/0x360 [ 1689.975836][ T10] netlink_unicast+0x449/0x710 [ 1689.975836][ T10] netlink_sendmsg+0x723/0xbe0 [ 1689.975836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1689.975836][ T10] ___sys_sendmsg+0xee/0x170 [ 1689.975836][ T10] __sys_sendmsg+0xcd/0x170 [ 1689.975836][ T10] do_syscall_64+0xc6/0x1e0 [ 1689.975836][ T10] [ 1689.978194][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1689.978194][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1689.978194][ T10] ipv6_find_idev+0x102/0x170 [ 1689.978194][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1689.978194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1689.978194][ T10] netlink_rcv_skb+0x130/0x360 [ 1689.978194][ T10] netlink_unicast+0x449/0x710 [ 1689.978194][ T10] netlink_sendmsg+0x723/0xbe0 [ 1689.978194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1689.978194][ T10] ___sys_sendmsg+0xee/0x170 [ 1689.978194][ T10] __sys_sendmsg+0xcd/0x170 [ 1689.978194][ T10] do_syscall_64+0xc6/0x1e0 [ 1689.978194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1689.978194][ T10] [ 1689.980018][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1689.980018][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1689.980018][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1689.980018][ T10] ipv6_find_idev+0x102/0x170 [ 1689.980018][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1689.980018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1689.980018][ T10] netlink_rcv_skb+0x130/0x360 [ 1689.980018][ T10] netlink_unicast+0x449/0x710 [ 1689.980018][ T10] netlink_sendmsg+0x723/0xbe0 [ 1689.980018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1689.980018][ T10] ___sys_sendmsg+0xee/0x170 [ 1689.980018][ T10] __sys_sendmsg+0xcd/0x170 [ 1689.980018][ T10] do_syscall_64+0xc6/0x1e0 [ 1689.980018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1689.980018][ T10] [ 1689.982085][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1689.982360][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1689.982360][ T10] netdev_get_by_index+0x5e/0x80 [ 1689.982360][ T10] fib6_nh_init+0x3d8/0x1580 [ 1689.982360][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1689.982360][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1689.982360][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1689.982360][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1689.982360][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1689.982360][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1689.982360][ T10] addrconf_dad_begin+0x310/0x670 [ 1689.982360][ T10] addrconf_dad_work+0x10b/0xab0 [ 1689.982360][ T10] process_one_work+0x84d/0x18a0 [ 1689.982360][ T10] worker_thread+0x587/0xd30 [ 1689.982360][ T10] kthread+0x28a/0x350 [ 1689.982360][ T10] ret_from_fork+0x31/0x70 [ 1689.982360][ T10] ret_from_fork_asm+0x1a/0x30 [ 1689.982360][ T10] [ 1689.984684][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1689.984684][ T10] netdev_get_by_index+0x5e/0x80 [ 1689.984684][ T10] fib6_nh_init+0x3d8/0x1580 [ 1689.984684][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1689.984684][ T10] ip6_route_add+0x1c/0x140 [ 1689.984684][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1689.984684][ T10] inet6_addr_add+0x4f8/0xa40 [ 1689.984684][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1689.984684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1689.984684][ T10] netlink_rcv_skb+0x130/0x360 [ 1689.984684][ T10] netlink_unicast+0x449/0x710 [ 1689.984684][ T10] netlink_sendmsg+0x723/0xbe0 [ 1689.984684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1689.984684][ T10] ___sys_sendmsg+0xee/0x170 [ 1689.984684][ T10] __sys_sendmsg+0xcd/0x170 [ 1689.984684][ T10] do_syscall_64+0xc6/0x1e0 [ 1689.984684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1689.984684][ T10] [ 1689.987063][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1689.987063][ T10] netdev_get_by_index+0x5e/0x80 [ 1689.987063][ T10] fib6_nh_init+0x3d8/0x1580 [ 1689.987063][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1689.987063][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1689.987063][ T10] ipv6_add_addr+0x411/0x2000 [ 1689.987063][ T10] inet6_addr_add+0x30e/0xa40 [ 1689.987063][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1689.987063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1689.987063][ T10] netlink_rcv_skb+0x130/0x360 [ 1689.987063][ T10] netlink_unicast+0x449/0x710 [ 1689.987063][ T10] netlink_sendmsg+0x723/0xbe0 [ 1689.987063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1689.987063][ T10] ___sys_sendmsg+0xee/0x170 [ 1689.987063][ T10] __sys_sendmsg+0xcd/0x170 [ 1689.987063][ T10] do_syscall_64+0xc6/0x1e0 [ 1689.987063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1689.987063][ T10] [ 1689.989446][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1689.989446][ T10] netdev_get_by_index+0x5e/0x80 [ 1689.989446][ T10] fib6_nh_init+0x3d8/0x1580 [ 1689.989446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1689.989446][ T10] ip6_route_add+0x1c/0x140 [ 1689.989446][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1689.989446][ T10] addrconf_add_dev+0xe2/0x170 [ 1689.989446][ T10] inet6_addr_add+0x12f/0xa40 [ 1689.989446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1689.989446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1689.989446][ T10] netlink_rcv_skb+0x130/0x360 [ 1689.989446][ T10] netlink_unicast+0x449/0x710 [ 1689.989446][ T10] netlink_sendmsg+0x723/0xbe0 [ 1689.989446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1689.989446][ T10] ___sys_sendmsg+0xee/0x170 [ 1689.989446][ T10] __sys_sendmsg+0xcd/0x170 [ 1689.989446][ T10] do_syscall_64+0xc6/0x1e0 [ 1689.989446][ T10] [ 1689.991695][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1689.991695][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1689.991695][ T10] ipv6_find_idev+0x102/0x170 [ 1689.991695][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1689.991695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1689.991695][ T10] netlink_rcv_skb+0x130/0x360 [ 1689.991695][ T10] netlink_unicast+0x449/0x710 [ 1689.991695][ T10] netlink_sendmsg+0x723/0xbe0 [ 1689.991695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1689.991695][ T10] ___sys_sendmsg+0xee/0x170 [ 1689.991695][ T10] __sys_sendmsg+0xcd/0x170 [ 1689.991695][ T10] do_syscall_64+0xc6/0x1e0 [ 1689.991695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1689.991695][ T10] [ 1689.993466][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1689.993466][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1689.993466][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1689.993466][ T10] ipv6_find_idev+0x102/0x170 [ 1689.993466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1689.993466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1689.993466][ T10] netlink_rcv_skb+0x130/0x360 [ 1689.993466][ T10] netlink_unicast+0x449/0x710 [ 1689.993466][ T10] netlink_sendmsg+0x723/0xbe0 [ 1689.993466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1689.993466][ T10] ___sys_sendmsg+0xee/0x170 [ 1689.993466][ T10] __sys_sendmsg+0xcd/0x170 [ 1689.993466][ T10] do_syscall_64+0xc6/0x1e0 [ 1689.993466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1689.993466][ T10] [ 1697.617103][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1697.617770][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1697.617770][ T1167] dst_init+0x84/0x4a0 [ 1697.617770][ T1167] dst_alloc+0x97/0x150 [ 1697.617770][ T1167] ip6_dst_alloc+0x23/0x90 [ 1697.617770][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1697.617770][ T1167] ip6_pol_route+0x56f/0x840 [ 1697.617770][ T1167] fib6_rule_lookup+0x334/0x630 [ 1697.617770][ T1167] ip6_route_output_flags+0x259/0x480 [ 1697.617770][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1697.617770][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1697.617770][ T1167] netlink_rcv_skb+0x130/0x360 [ 1697.617770][ T1167] netlink_unicast+0x449/0x710 [ 1697.617770][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1697.617770][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1697.617770][ T1167] ___sys_sendmsg+0xee/0x170 [ 1697.617770][ T1167] __sys_sendmsg+0xcd/0x170 [ 1697.617770][ T1167] do_syscall_64+0xc6/0x1e0 [ 1697.617770][ T1167] [ 1697.621392][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1697.621392][ T1167] netdev_get_by_index+0x5e/0x80 [ 1697.621392][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1697.621392][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1697.621392][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1697.621392][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1697.621392][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1697.621392][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1697.621392][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1697.621392][ T1167] addrconf_dad_begin+0x310/0x670 [ 1697.621392][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1697.621392][ T1167] process_one_work+0x84d/0x18a0 [ 1697.621392][ T1167] worker_thread+0x587/0xd30 [ 1697.621392][ T1167] kthread+0x28a/0x350 [ 1697.621392][ T1167] ret_from_fork+0x31/0x70 [ 1697.621392][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1697.621392][ T1167] [ 1697.624958][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1697.624958][ T1167] netdev_get_by_index+0x5e/0x80 [ 1697.624958][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1697.624958][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1697.624958][ T1167] ip6_route_add+0x1c/0x140 [ 1697.624958][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1697.624958][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1697.624958][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1697.624958][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1697.624958][ T1167] netlink_rcv_skb+0x130/0x360 [ 1697.624958][ T1167] netlink_unicast+0x449/0x710 [ 1697.624958][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1697.624958][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1697.624958][ T1167] ___sys_sendmsg+0xee/0x170 [ 1697.624958][ T1167] __sys_sendmsg+0xcd/0x170 [ 1697.624958][ T1167] do_syscall_64+0xc6/0x1e0 [ 1697.624958][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1697.624958][ T1167] [ 1697.628683][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1697.628683][ T1167] netdev_get_by_index+0x5e/0x80 [ 1697.628683][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1697.628683][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1697.628683][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1697.628683][ T1167] ipv6_add_addr+0x411/0x2000 [ 1697.628683][ T1167] inet6_addr_add+0x30e/0xa40 [ 1697.628683][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1697.628683][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1697.628683][ T1167] netlink_rcv_skb+0x130/0x360 [ 1697.628683][ T1167] netlink_unicast+0x449/0x710 [ 1697.628683][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1697.628683][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1697.628683][ T1167] ___sys_sendmsg+0xee/0x170 [ 1697.628683][ T1167] __sys_sendmsg+0xcd/0x170 [ 1697.628683][ T1167] do_syscall_64+0xc6/0x1e0 [ 1697.628683][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1697.628683][ T1167] [ 1697.632378][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1697.632378][ T1167] netdev_get_by_index+0x5e/0x80 [ 1697.632378][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1697.632378][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1697.632378][ T1167] ip6_route_add+0x1c/0x140 [ 1697.632378][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1697.632378][ T1167] addrconf_add_dev+0xe2/0x170 [ 1697.632378][ T1167] inet6_addr_add+0x12f/0xa40 [ 1697.632378][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1697.632378][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1697.632378][ T1167] netlink_rcv_skb+0x130/0x360 [ 1697.632378][ T1167] netlink_unicast+0x449/0x710 [ 1697.632378][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1697.632378][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1697.632378][ T1167] ___sys_sendmsg+0xee/0x170 [ 1697.632378][ T1167] __sys_sendmsg+0xcd/0x170 [ 1697.632378][ T1167] do_syscall_64+0xc6/0x1e0 [ 1697.632378][ T1167] [ 1697.636007][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1697.636007][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1697.636007][ T1167] ipv6_find_idev+0x102/0x170 [ 1697.636007][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1697.636007][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1697.636007][ T1167] netlink_rcv_skb+0x130/0x360 [ 1697.636007][ T1167] netlink_unicast+0x449/0x710 [ 1697.636007][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1697.636007][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1697.636007][ T1167] ___sys_sendmsg+0xee/0x170 [ 1697.636007][ T1167] __sys_sendmsg+0xcd/0x170 [ 1697.636007][ T1167] do_syscall_64+0xc6/0x1e0 [ 1697.636007][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1697.636007][ T1167] [ 1697.638844][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1697.638844][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1697.638844][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1697.638844][ T1167] ipv6_find_idev+0x102/0x170 [ 1697.638844][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1697.638844][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1697.638844][ T1167] netlink_rcv_skb+0x130/0x360 [ 1697.638844][ T1167] netlink_unicast+0x449/0x710 [ 1697.638844][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1697.638844][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1697.638844][ T1167] ___sys_sendmsg+0xee/0x170 [ 1697.638844][ T1167] __sys_sendmsg+0xcd/0x170 [ 1697.638844][ T1167] do_syscall_64+0xc6/0x1e0 [ 1697.638844][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1697.638844][ T1167] [ 1700.233147][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1700.233529][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1700.233529][ T10] netdev_get_by_index+0x5e/0x80 [ 1700.233529][ T10] fib6_nh_init+0x3d8/0x1580 [ 1700.233529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1700.233529][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1700.233529][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1700.233529][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1700.233529][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1700.233529][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1700.233529][ T10] addrconf_dad_begin+0x310/0x670 [ 1700.233529][ T10] addrconf_dad_work+0x10b/0xab0 [ 1700.233529][ T10] process_one_work+0x84d/0x18a0 [ 1700.233529][ T10] worker_thread+0x587/0xd30 [ 1700.233529][ T10] kthread+0x28a/0x350 [ 1700.233529][ T10] ret_from_fork+0x31/0x70 [ 1700.233529][ T10] ret_from_fork_asm+0x1a/0x30 [ 1700.233529][ T10] [ 1700.235508][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1700.235508][ T10] netdev_get_by_index+0x5e/0x80 [ 1700.235508][ T10] fib6_nh_init+0x3d8/0x1580 [ 1700.235508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1700.235508][ T10] ip6_route_add+0x1c/0x140 [ 1700.235508][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1700.235508][ T10] inet6_addr_add+0x4f8/0xa40 [ 1700.235508][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1700.235508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.235508][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.235508][ T10] netlink_unicast+0x449/0x710 [ 1700.235508][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.235508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.235508][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.235508][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.235508][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.235508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.235508][ T10] [ 1700.237538][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1700.237538][ T10] netdev_get_by_index+0x5e/0x80 [ 1700.237538][ T10] fib6_nh_init+0x3d8/0x1580 [ 1700.237538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1700.237538][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1700.237538][ T10] ipv6_add_addr+0x411/0x2000 [ 1700.237538][ T10] inet6_addr_add+0x30e/0xa40 [ 1700.237538][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1700.237538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.237538][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.237538][ T10] netlink_unicast+0x449/0x710 [ 1700.237538][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.237538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.237538][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.237538][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.237538][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.237538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.237538][ T10] [ 1700.239527][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1700.239527][ T10] netdev_get_by_index+0x5e/0x80 [ 1700.239527][ T10] fib6_nh_init+0x3d8/0x1580 [ 1700.239527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1700.239527][ T10] ip6_route_add+0x1c/0x140 [ 1700.239527][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1700.239527][ T10] addrconf_add_dev+0xe2/0x170 [ 1700.239527][ T10] inet6_addr_add+0x12f/0xa40 [ 1700.239527][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1700.239527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.239527][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.239527][ T10] netlink_unicast+0x449/0x710 [ 1700.239527][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.239527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.239527][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.239527][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.239527][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.239527][ T10] [ 1700.241500][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1700.241500][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1700.241500][ T10] ipv6_find_idev+0x102/0x170 [ 1700.241500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1700.241500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.241500][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.241500][ T10] netlink_unicast+0x449/0x710 [ 1700.241500][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.241500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.241500][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.241500][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.241500][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.241500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.241500][ T10] [ 1700.243028][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1700.243028][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1700.243028][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1700.243028][ T10] ipv6_find_idev+0x102/0x170 [ 1700.243028][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1700.243028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.243028][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.243028][ T10] netlink_unicast+0x449/0x710 [ 1700.243028][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.243028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.243028][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.243028][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.243028][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.243028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.243028][ T10] [ 1700.244714][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1700.244961][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1700.244961][ T10] netdev_get_by_index+0x5e/0x80 [ 1700.244961][ T10] fib6_nh_init+0x3d8/0x1580 [ 1700.244961][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1700.244961][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1700.244961][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1700.244961][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1700.244961][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1700.244961][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1700.244961][ T10] addrconf_dad_begin+0x310/0x670 [ 1700.244961][ T10] addrconf_dad_work+0x10b/0xab0 [ 1700.244961][ T10] process_one_work+0x84d/0x18a0 [ 1700.244961][ T10] worker_thread+0x587/0xd30 [ 1700.244961][ T10] kthread+0x28a/0x350 [ 1700.244961][ T10] ret_from_fork+0x31/0x70 [ 1700.244961][ T10] ret_from_fork_asm+0x1a/0x30 [ 1700.244961][ T10] [ 1700.246885][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1700.246885][ T10] netdev_get_by_index+0x5e/0x80 [ 1700.246885][ T10] fib6_nh_init+0x3d8/0x1580 [ 1700.246885][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1700.246885][ T10] ip6_route_add+0x1c/0x140 [ 1700.246885][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1700.246885][ T10] inet6_addr_add+0x4f8/0xa40 [ 1700.246885][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1700.246885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.246885][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.246885][ T10] netlink_unicast+0x449/0x710 [ 1700.246885][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.246885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.246885][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.246885][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.246885][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.246885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.246885][ T10] [ 1700.248870][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1700.248870][ T10] netdev_get_by_index+0x5e/0x80 [ 1700.248870][ T10] fib6_nh_init+0x3d8/0x1580 [ 1700.248870][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1700.248870][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1700.248870][ T10] ipv6_add_addr+0x411/0x2000 [ 1700.248870][ T10] inet6_addr_add+0x30e/0xa40 [ 1700.248870][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1700.248870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.248870][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.248870][ T10] netlink_unicast+0x449/0x710 [ 1700.248870][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.248870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.248870][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.248870][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.248870][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.248870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.248870][ T10] [ 1700.250866][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1700.250866][ T10] netdev_get_by_index+0x5e/0x80 [ 1700.250866][ T10] fib6_nh_init+0x3d8/0x1580 [ 1700.250866][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1700.250866][ T10] ip6_route_add+0x1c/0x140 [ 1700.250866][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1700.250866][ T10] addrconf_add_dev+0xe2/0x170 [ 1700.250866][ T10] inet6_addr_add+0x12f/0xa40 [ 1700.250866][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1700.250866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.250866][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.250866][ T10] netlink_unicast+0x449/0x710 [ 1700.250866][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.250866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.250866][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.250866][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.250866][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.250866][ T10] [ 1700.252814][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1700.252814][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1700.252814][ T10] ipv6_find_idev+0x102/0x170 [ 1700.252814][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1700.252814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.252814][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.252814][ T10] netlink_unicast+0x449/0x710 [ 1700.252814][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.252814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.252814][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.252814][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.252814][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.252814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.252814][ T10] [ 1700.254902][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1700.254902][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1700.254902][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1700.254902][ T10] ipv6_find_idev+0x102/0x170 [ 1700.254902][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1700.254902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.254902][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.254902][ T10] netlink_unicast+0x449/0x710 [ 1700.254902][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.254902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.254902][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.254902][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.254902][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.254902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.254902][ T10] [ 1700.256590][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1700.256848][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1700.256848][ T10] netdev_get_by_index+0x5e/0x80 [ 1700.256848][ T10] fib6_nh_init+0x3d8/0x1580 [ 1700.256848][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1700.256848][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1700.256848][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1700.256848][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1700.256848][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1700.256848][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1700.256848][ T10] addrconf_dad_begin+0x310/0x670 [ 1700.256848][ T10] addrconf_dad_work+0x10b/0xab0 [ 1700.256848][ T10] process_one_work+0x84d/0x18a0 [ 1700.256848][ T10] worker_thread+0x587/0xd30 [ 1700.256848][ T10] kthread+0x28a/0x350 [ 1700.256848][ T10] ret_from_fork+0x31/0x70 [ 1700.256848][ T10] ret_from_fork_asm+0x1a/0x30 [ 1700.256848][ T10] [ 1700.258751][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1700.258751][ T10] netdev_get_by_index+0x5e/0x80 [ 1700.258751][ T10] fib6_nh_init+0x3d8/0x1580 [ 1700.258751][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1700.258751][ T10] ip6_route_add+0x1c/0x140 [ 1700.258751][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1700.258751][ T10] inet6_addr_add+0x4f8/0xa40 [ 1700.258751][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1700.258751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.258751][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.258751][ T10] netlink_unicast+0x449/0x710 [ 1700.258751][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.258751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.258751][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.258751][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.258751][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.258751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.258751][ T10] [ 1700.260930][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1700.260930][ T10] netdev_get_by_index+0x5e/0x80 [ 1700.260930][ T10] fib6_nh_init+0x3d8/0x1580 [ 1700.260930][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1700.260930][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1700.260930][ T10] ipv6_add_addr+0x411/0x2000 [ 1700.260930][ T10] inet6_addr_add+0x30e/0xa40 [ 1700.260930][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1700.260930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.260930][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.260930][ T10] netlink_unicast+0x449/0x710 [ 1700.260930][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.260930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.260930][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.260930][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.260930][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.260930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.260930][ T10] [ 1700.263148][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1700.263148][ T10] netdev_get_by_index+0x5e/0x80 [ 1700.263148][ T10] fib6_nh_init+0x3d8/0x1580 [ 1700.263148][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1700.263148][ T10] ip6_route_add+0x1c/0x140 [ 1700.263148][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1700.263148][ T10] addrconf_add_dev+0xe2/0x170 [ 1700.263148][ T10] inet6_addr_add+0x12f/0xa40 [ 1700.263148][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1700.263148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.263148][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.263148][ T10] netlink_unicast+0x449/0x710 [ 1700.263148][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.263148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.263148][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.263148][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.263148][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.263148][ T10] [ 1700.265394][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1700.265394][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1700.265394][ T10] ipv6_find_idev+0x102/0x170 [ 1700.265394][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1700.265394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.265394][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.265394][ T10] netlink_unicast+0x449/0x710 [ 1700.265394][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.265394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.265394][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.265394][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.265394][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.265394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.265394][ T10] [ 1700.267036][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1700.267036][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1700.267036][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1700.267036][ T10] ipv6_find_idev+0x102/0x170 [ 1700.267036][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1700.267036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.267036][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.267036][ T10] netlink_unicast+0x449/0x710 [ 1700.267036][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.267036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.267036][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.267036][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.267036][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.267036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.267036][ T10] [ 1700.268947][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1700.269630][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1700.269630][ T10] netdev_get_by_index+0x5e/0x80 [ 1700.269630][ T10] fib6_nh_init+0x3d8/0x1580 [ 1700.269630][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1700.269630][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1700.269630][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1700.269630][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1700.269630][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1700.269630][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1700.269630][ T10] addrconf_dad_begin+0x310/0x670 [ 1700.269630][ T10] addrconf_dad_work+0x10b/0xab0 [ 1700.269630][ T10] process_one_work+0x84d/0x18a0 [ 1700.269630][ T10] worker_thread+0x587/0xd30 [ 1700.269630][ T10] kthread+0x28a/0x350 [ 1700.269630][ T10] ret_from_fork+0x31/0x70 [ 1700.269630][ T10] ret_from_fork_asm+0x1a/0x30 [ 1700.269630][ T10] [ 1700.271528][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1700.271528][ T10] netdev_get_by_index+0x5e/0x80 [ 1700.271528][ T10] fib6_nh_init+0x3d8/0x1580 [ 1700.271528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1700.271528][ T10] ip6_route_add+0x1c/0x140 [ 1700.271528][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1700.271528][ T10] inet6_addr_add+0x4f8/0xa40 [ 1700.271528][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1700.271528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.271528][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.271528][ T10] netlink_unicast+0x449/0x710 [ 1700.271528][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.271528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.271528][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.271528][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.271528][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.271528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.271528][ T10] [ 1700.274041][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1700.274041][ T10] netdev_get_by_index+0x5e/0x80 [ 1700.274041][ T10] fib6_nh_init+0x3d8/0x1580 [ 1700.274041][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1700.274041][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1700.274041][ T10] ipv6_add_addr+0x411/0x2000 [ 1700.274041][ T10] inet6_addr_add+0x30e/0xa40 [ 1700.274041][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1700.274041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.274041][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.274041][ T10] netlink_unicast+0x449/0x710 [ 1700.274041][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.274041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.274041][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.274041][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.274041][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.274041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.274041][ T10] [ 1700.276291][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1700.276291][ T10] netdev_get_by_index+0x5e/0x80 [ 1700.276291][ T10] fib6_nh_init+0x3d8/0x1580 [ 1700.276291][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1700.276291][ T10] ip6_route_add+0x1c/0x140 [ 1700.276291][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1700.276291][ T10] addrconf_add_dev+0xe2/0x170 [ 1700.276291][ T10] inet6_addr_add+0x12f/0xa40 [ 1700.276291][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1700.276291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.276291][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.276291][ T10] netlink_unicast+0x449/0x710 [ 1700.276291][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.276291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.276291][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.276291][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.276291][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.276291][ T10] [ 1700.278412][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1700.278412][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1700.278412][ T10] ipv6_find_idev+0x102/0x170 [ 1700.278412][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1700.278412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.278412][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.278412][ T10] netlink_unicast+0x449/0x710 [ 1700.278412][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.278412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.278412][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.278412][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.278412][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.278412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.278412][ T10] [ 1700.280187][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1700.280187][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1700.280187][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1700.280187][ T10] ipv6_find_idev+0x102/0x170 [ 1700.280187][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1700.280187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.280187][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.280187][ T10] netlink_unicast+0x449/0x710 [ 1700.280187][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.280187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.280187][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.280187][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.280187][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.280187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.280187][ T10] [ 1707.881083][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1707.881551][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1707.881551][ T1167] dst_init+0x84/0x4a0 [ 1707.881551][ T1167] dst_alloc+0x97/0x150 [ 1707.881551][ T1167] ip6_dst_alloc+0x23/0x90 [ 1707.881551][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1707.881551][ T1167] ip6_pol_route+0x56f/0x840 [ 1707.881551][ T1167] fib6_rule_lookup+0x334/0x630 [ 1707.881551][ T1167] ip6_route_output_flags+0x259/0x480 [ 1707.881551][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1707.881551][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1707.881551][ T1167] netlink_rcv_skb+0x130/0x360 [ 1707.881551][ T1167] netlink_unicast+0x449/0x710 [ 1707.881551][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1707.881551][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1707.881551][ T1167] ___sys_sendmsg+0xee/0x170 [ 1707.881551][ T1167] __sys_sendmsg+0xcd/0x170 [ 1707.881551][ T1167] do_syscall_64+0xc6/0x1e0 [ 1707.881551][ T1167] [ 1707.883804][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1707.883804][ T1167] netdev_get_by_index+0x5e/0x80 [ 1707.883804][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1707.883804][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1707.883804][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1707.883804][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1707.883804][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1707.883804][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1707.883804][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1707.883804][ T1167] addrconf_dad_begin+0x310/0x670 [ 1707.883804][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1707.883804][ T1167] process_one_work+0x84d/0x18a0 [ 1707.883804][ T1167] worker_thread+0x587/0xd30 [ 1707.883804][ T1167] kthread+0x28a/0x350 [ 1707.883804][ T1167] ret_from_fork+0x31/0x70 [ 1707.883804][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1707.883804][ T1167] [ 1707.886356][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1707.886356][ T1167] netdev_get_by_index+0x5e/0x80 [ 1707.886356][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1707.886356][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1707.886356][ T1167] ip6_route_add+0x1c/0x140 [ 1707.886356][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1707.886356][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1707.886356][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1707.886356][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.886356][ T1167] netlink_rcv_skb+0x130/0x360 [ 1707.886356][ T1167] netlink_unicast+0x449/0x710 [ 1707.886356][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1707.886356][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1707.886356][ T1167] ___sys_sendmsg+0xee/0x170 [ 1707.886356][ T1167] __sys_sendmsg+0xcd/0x170 [ 1707.886356][ T1167] do_syscall_64+0xc6/0x1e0 [ 1707.886356][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1707.886356][ T1167] [ 1707.888633][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1707.888633][ T1167] netdev_get_by_index+0x5e/0x80 [ 1707.888633][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1707.888633][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1707.888633][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1707.888633][ T1167] ipv6_add_addr+0x411/0x2000 [ 1707.888633][ T1167] inet6_addr_add+0x30e/0xa40 [ 1707.888633][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1707.888633][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.888633][ T1167] netlink_rcv_skb+0x130/0x360 [ 1707.888633][ T1167] netlink_unicast+0x449/0x710 [ 1707.888633][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1707.888633][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1707.888633][ T1167] ___sys_sendmsg+0xee/0x170 [ 1707.888633][ T1167] __sys_sendmsg+0xcd/0x170 [ 1707.888633][ T1167] do_syscall_64+0xc6/0x1e0 [ 1707.888633][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1707.888633][ T1167] [ 1707.890899][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1707.890899][ T1167] netdev_get_by_index+0x5e/0x80 [ 1707.890899][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1707.890899][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1707.890899][ T1167] ip6_route_add+0x1c/0x140 [ 1707.890899][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1707.890899][ T1167] addrconf_add_dev+0xe2/0x170 [ 1707.890899][ T1167] inet6_addr_add+0x12f/0xa40 [ 1707.890899][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1707.890899][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.890899][ T1167] netlink_rcv_skb+0x130/0x360 [ 1707.890899][ T1167] netlink_unicast+0x449/0x710 [ 1707.890899][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1707.890899][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1707.890899][ T1167] ___sys_sendmsg+0xee/0x170 [ 1707.890899][ T1167] __sys_sendmsg+0xcd/0x170 [ 1707.890899][ T1167] do_syscall_64+0xc6/0x1e0 [ 1707.890899][ T1167] [ 1707.893117][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1707.893117][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1707.893117][ T1167] ipv6_find_idev+0x102/0x170 [ 1707.893117][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1707.893117][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.893117][ T1167] netlink_rcv_skb+0x130/0x360 [ 1707.893117][ T1167] netlink_unicast+0x449/0x710 [ 1707.893117][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1707.893117][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1707.893117][ T1167] ___sys_sendmsg+0xee/0x170 [ 1707.893117][ T1167] __sys_sendmsg+0xcd/0x170 [ 1707.893117][ T1167] do_syscall_64+0xc6/0x1e0 [ 1707.893117][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1707.893117][ T1167] [ 1707.894859][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1707.894859][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1707.894859][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1707.894859][ T1167] ipv6_find_idev+0x102/0x170 [ 1707.894859][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1707.894859][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1707.894859][ T1167] netlink_rcv_skb+0x130/0x360 [ 1707.894859][ T1167] netlink_unicast+0x449/0x710 [ 1707.894859][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1707.894859][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1707.894859][ T1167] ___sys_sendmsg+0xee/0x170 [ 1707.894859][ T1167] __sys_sendmsg+0xcd/0x170 [ 1707.894859][ T1167] do_syscall_64+0xc6/0x1e0 [ 1707.894859][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1707.894859][ T1167] [ 1710.521049][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1710.521470][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1710.521470][ T10] netdev_get_by_index+0x5e/0x80 [ 1710.521470][ T10] fib6_nh_init+0x3d8/0x1580 [ 1710.521470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1710.521470][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1710.521470][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1710.521470][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1710.521470][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1710.521470][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1710.521470][ T10] addrconf_dad_begin+0x310/0x670 [ 1710.521470][ T10] addrconf_dad_work+0x10b/0xab0 [ 1710.521470][ T10] process_one_work+0x84d/0x18a0 [ 1710.521470][ T10] worker_thread+0x587/0xd30 [ 1710.521470][ T10] kthread+0x28a/0x350 [ 1710.521470][ T10] ret_from_fork+0x31/0x70 [ 1710.521470][ T10] ret_from_fork_asm+0x1a/0x30 [ 1710.521470][ T10] [ 1710.523598][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1710.523598][ T10] netdev_get_by_index+0x5e/0x80 [ 1710.523598][ T10] fib6_nh_init+0x3d8/0x1580 [ 1710.523598][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1710.523598][ T10] ip6_route_add+0x1c/0x140 [ 1710.523598][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1710.523598][ T10] inet6_addr_add+0x4f8/0xa40 [ 1710.523598][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1710.523598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.523598][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.523598][ T10] netlink_unicast+0x449/0x710 [ 1710.523598][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.523598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.523598][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.523598][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.523598][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.523598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.523598][ T10] [ 1710.525790][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1710.525790][ T10] netdev_get_by_index+0x5e/0x80 [ 1710.525790][ T10] fib6_nh_init+0x3d8/0x1580 [ 1710.525790][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1710.525790][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1710.525790][ T10] ipv6_add_addr+0x411/0x2000 [ 1710.525790][ T10] inet6_addr_add+0x30e/0xa40 [ 1710.525790][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1710.525790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.525790][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.525790][ T10] netlink_unicast+0x449/0x710 [ 1710.525790][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.525790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.525790][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.525790][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.525790][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.525790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.525790][ T10] [ 1710.527974][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1710.527974][ T10] netdev_get_by_index+0x5e/0x80 [ 1710.527974][ T10] fib6_nh_init+0x3d8/0x1580 [ 1710.527974][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1710.527974][ T10] ip6_route_add+0x1c/0x140 [ 1710.527974][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1710.527974][ T10] addrconf_add_dev+0xe2/0x170 [ 1710.527974][ T10] inet6_addr_add+0x12f/0xa40 [ 1710.527974][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1710.527974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.527974][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.527974][ T10] netlink_unicast+0x449/0x710 [ 1710.527974][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.527974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.527974][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.527974][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.527974][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.527974][ T10] [ 1710.530126][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1710.530126][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1710.530126][ T10] ipv6_find_idev+0x102/0x170 [ 1710.530126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1710.530126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.530126][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.530126][ T10] netlink_unicast+0x449/0x710 [ 1710.530126][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.530126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.530126][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.530126][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.530126][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.530126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.530126][ T10] [ 1710.531807][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1710.531807][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1710.531807][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1710.531807][ T10] ipv6_find_idev+0x102/0x170 [ 1710.531807][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1710.531807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.531807][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.531807][ T10] netlink_unicast+0x449/0x710 [ 1710.531807][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.531807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.531807][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.531807][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.531807][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.531807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.531807][ T10] [ 1710.533672][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1710.533941][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1710.533941][ T10] netdev_get_by_index+0x5e/0x80 [ 1710.533941][ T10] fib6_nh_init+0x3d8/0x1580 [ 1710.533941][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1710.533941][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1710.533941][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1710.533941][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1710.533941][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1710.533941][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1710.533941][ T10] addrconf_dad_begin+0x310/0x670 [ 1710.533941][ T10] addrconf_dad_work+0x10b/0xab0 [ 1710.533941][ T10] process_one_work+0x84d/0x18a0 [ 1710.533941][ T10] worker_thread+0x587/0xd30 [ 1710.533941][ T10] kthread+0x28a/0x350 [ 1710.533941][ T10] ret_from_fork+0x31/0x70 [ 1710.533941][ T10] ret_from_fork_asm+0x1a/0x30 [ 1710.533941][ T10] [ 1710.536032][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1710.536032][ T10] netdev_get_by_index+0x5e/0x80 [ 1710.536032][ T10] fib6_nh_init+0x3d8/0x1580 [ 1710.536032][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1710.536032][ T10] ip6_route_add+0x1c/0x140 [ 1710.536032][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1710.536032][ T10] inet6_addr_add+0x4f8/0xa40 [ 1710.536032][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1710.536032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.536032][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.536032][ T10] netlink_unicast+0x449/0x710 [ 1710.536032][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.536032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.536032][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.536032][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.536032][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.536032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.536032][ T10] [ 1710.538576][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1710.538576][ T10] netdev_get_by_index+0x5e/0x80 [ 1710.538576][ T10] fib6_nh_init+0x3d8/0x1580 [ 1710.538576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1710.538576][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1710.538576][ T10] ipv6_add_addr+0x411/0x2000 [ 1710.538576][ T10] inet6_addr_add+0x30e/0xa40 [ 1710.538576][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1710.538576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.538576][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.538576][ T10] netlink_unicast+0x449/0x710 [ 1710.538576][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.538576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.538576][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.538576][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.538576][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.538576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.538576][ T10] [ 1710.540797][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1710.540797][ T10] netdev_get_by_index+0x5e/0x80 [ 1710.540797][ T10] fib6_nh_init+0x3d8/0x1580 [ 1710.540797][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1710.540797][ T10] ip6_route_add+0x1c/0x140 [ 1710.540797][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1710.540797][ T10] addrconf_add_dev+0xe2/0x170 [ 1710.540797][ T10] inet6_addr_add+0x12f/0xa40 [ 1710.540797][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1710.540797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.540797][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.540797][ T10] netlink_unicast+0x449/0x710 [ 1710.540797][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.540797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.540797][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.540797][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.540797][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.540797][ T10] [ 1710.542912][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1710.542912][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1710.542912][ T10] ipv6_find_idev+0x102/0x170 [ 1710.542912][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1710.542912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.542912][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.542912][ T10] netlink_unicast+0x449/0x710 [ 1710.542912][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.542912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.542912][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.542912][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.542912][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.542912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.542912][ T10] [ 1710.544599][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1710.544599][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1710.544599][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1710.544599][ T10] ipv6_find_idev+0x102/0x170 [ 1710.544599][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1710.544599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.544599][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.544599][ T10] netlink_unicast+0x449/0x710 [ 1710.544599][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.544599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.544599][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.544599][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.544599][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.544599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.544599][ T10] [ 1710.546486][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1710.546765][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1710.546765][ T10] netdev_get_by_index+0x5e/0x80 [ 1710.546765][ T10] fib6_nh_init+0x3d8/0x1580 [ 1710.546765][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1710.546765][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1710.546765][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1710.546765][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1710.546765][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1710.546765][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1710.546765][ T10] addrconf_dad_begin+0x310/0x670 [ 1710.546765][ T10] addrconf_dad_work+0x10b/0xab0 [ 1710.546765][ T10] process_one_work+0x84d/0x18a0 [ 1710.546765][ T10] worker_thread+0x587/0xd30 [ 1710.546765][ T10] kthread+0x28a/0x350 [ 1710.546765][ T10] ret_from_fork+0x31/0x70 [ 1710.546765][ T10] ret_from_fork_asm+0x1a/0x30 [ 1710.546765][ T10] [ 1710.548854][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1710.548854][ T10] netdev_get_by_index+0x5e/0x80 [ 1710.548854][ T10] fib6_nh_init+0x3d8/0x1580 [ 1710.548854][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1710.548854][ T10] ip6_route_add+0x1c/0x140 [ 1710.548854][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1710.548854][ T10] inet6_addr_add+0x4f8/0xa40 [ 1710.548854][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1710.548854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.548854][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.548854][ T10] netlink_unicast+0x449/0x710 [ 1710.548854][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.548854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.548854][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.548854][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.548854][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.548854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.548854][ T10] [ 1710.551232][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1710.551232][ T10] netdev_get_by_index+0x5e/0x80 [ 1710.551232][ T10] fib6_nh_init+0x3d8/0x1580 [ 1710.551232][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1710.551232][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1710.551232][ T10] ipv6_add_addr+0x411/0x2000 [ 1710.551232][ T10] inet6_addr_add+0x30e/0xa40 [ 1710.551232][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1710.551232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.551232][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.551232][ T10] netlink_unicast+0x449/0x710 [ 1710.551232][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.551232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.551232][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.551232][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.551232][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.551232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.551232][ T10] [ 1710.553670][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1710.553670][ T10] netdev_get_by_index+0x5e/0x80 [ 1710.553670][ T10] fib6_nh_init+0x3d8/0x1580 [ 1710.553670][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1710.553670][ T10] ip6_route_add+0x1c/0x140 [ 1710.553670][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1710.553670][ T10] addrconf_add_dev+0xe2/0x170 [ 1710.553670][ T10] inet6_addr_add+0x12f/0xa40 [ 1710.553670][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1710.553670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.553670][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.553670][ T10] netlink_unicast+0x449/0x710 [ 1710.553670][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.553670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.553670][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.553670][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.553670][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.553670][ T10] [ 1710.556115][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1710.556115][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1710.556115][ T10] ipv6_find_idev+0x102/0x170 [ 1710.556115][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1710.556115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.556115][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.556115][ T10] netlink_unicast+0x449/0x710 [ 1710.556115][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.556115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.556115][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.556115][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.556115][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.556115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.556115][ T10] [ 1710.557988][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1710.557988][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1710.557988][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1710.557988][ T10] ipv6_find_idev+0x102/0x170 [ 1710.557988][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1710.557988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.557988][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.557988][ T10] netlink_unicast+0x449/0x710 [ 1710.557988][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.557988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.557988][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.557988][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.557988][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.557988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.557988][ T10] [ 1710.560012][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1710.560277][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1710.560277][ T10] netdev_get_by_index+0x5e/0x80 [ 1710.560277][ T10] fib6_nh_init+0x3d8/0x1580 [ 1710.560277][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1710.560277][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1710.560277][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1710.560277][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1710.560277][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1710.560277][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1710.560277][ T10] addrconf_dad_begin+0x310/0x670 [ 1710.560277][ T10] addrconf_dad_work+0x10b/0xab0 [ 1710.560277][ T10] process_one_work+0x84d/0x18a0 [ 1710.560277][ T10] worker_thread+0x587/0xd30 [ 1710.560277][ T10] kthread+0x28a/0x350 [ 1710.560277][ T10] ret_from_fork+0x31/0x70 [ 1710.560277][ T10] ret_from_fork_asm+0x1a/0x30 [ 1710.560277][ T10] [ 1710.562611][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1710.562611][ T10] netdev_get_by_index+0x5e/0x80 [ 1710.562611][ T10] fib6_nh_init+0x3d8/0x1580 [ 1710.562611][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1710.562611][ T10] ip6_route_add+0x1c/0x140 [ 1710.562611][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1710.562611][ T10] inet6_addr_add+0x4f8/0xa40 [ 1710.562611][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1710.562611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.562611][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.562611][ T10] netlink_unicast+0x449/0x710 [ 1710.562611][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.562611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.562611][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.562611][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.562611][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.562611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.562611][ T10] [ 1710.565044][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1710.565044][ T10] netdev_get_by_index+0x5e/0x80 [ 1710.565044][ T10] fib6_nh_init+0x3d8/0x1580 [ 1710.565044][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1710.565044][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1710.565044][ T10] ipv6_add_addr+0x411/0x2000 [ 1710.565044][ T10] inet6_addr_add+0x30e/0xa40 [ 1710.565044][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1710.565044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.565044][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.565044][ T10] netlink_unicast+0x449/0x710 [ 1710.565044][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.565044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.565044][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.565044][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.565044][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.565044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.565044][ T10] [ 1710.567516][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1710.567516][ T10] netdev_get_by_index+0x5e/0x80 [ 1710.567516][ T10] fib6_nh_init+0x3d8/0x1580 [ 1710.567516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1710.567516][ T10] ip6_route_add+0x1c/0x140 [ 1710.567516][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1710.567516][ T10] addrconf_add_dev+0xe2/0x170 [ 1710.567516][ T10] inet6_addr_add+0x12f/0xa40 [ 1710.567516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1710.567516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.567516][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.567516][ T10] netlink_unicast+0x449/0x710 [ 1710.567516][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.567516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.567516][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.567516][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.567516][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.567516][ T10] [ 1710.569841][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1710.569841][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1710.569841][ T10] ipv6_find_idev+0x102/0x170 [ 1710.569841][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1710.569841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.569841][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.569841][ T10] netlink_unicast+0x449/0x710 [ 1710.569841][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.569841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.569841][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.569841][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.569841][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.569841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.569841][ T10] [ 1710.571729][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1710.571729][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1710.571729][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1710.571729][ T10] ipv6_find_idev+0x102/0x170 [ 1710.571729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1710.571729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.571729][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.571729][ T10] netlink_unicast+0x449/0x710 [ 1710.571729][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.571729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.571729][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.571729][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.571729][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.571729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.571729][ T10] [ 1717.961131][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1717.961625][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1717.961625][ T1167] dst_init+0x84/0x4a0 [ 1717.961625][ T1167] dst_alloc+0x97/0x150 [ 1717.961625][ T1167] ip6_dst_alloc+0x23/0x90 [ 1717.961625][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1717.961625][ T1167] ip6_pol_route+0x56f/0x840 [ 1717.961625][ T1167] fib6_rule_lookup+0x334/0x630 [ 1717.961625][ T1167] ip6_route_output_flags+0x259/0x480 [ 1717.961625][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1717.961625][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1717.961625][ T1167] netlink_rcv_skb+0x130/0x360 [ 1717.961625][ T1167] netlink_unicast+0x449/0x710 [ 1717.961625][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1717.961625][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1717.961625][ T1167] ___sys_sendmsg+0xee/0x170 [ 1717.961625][ T1167] __sys_sendmsg+0xcd/0x170 [ 1717.961625][ T1167] do_syscall_64+0xc6/0x1e0 [ 1717.961625][ T1167] [ 1717.963873][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1717.963873][ T1167] netdev_get_by_index+0x5e/0x80 [ 1717.963873][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1717.963873][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1717.963873][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1717.963873][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1717.963873][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1717.963873][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1717.963873][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1717.963873][ T1167] addrconf_dad_begin+0x310/0x670 [ 1717.963873][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1717.963873][ T1167] process_one_work+0x84d/0x18a0 [ 1717.963873][ T1167] worker_thread+0x587/0xd30 [ 1717.963873][ T1167] kthread+0x28a/0x350 [ 1717.963873][ T1167] ret_from_fork+0x31/0x70 [ 1717.963873][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1717.963873][ T1167] [ 1717.966058][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1717.966058][ T1167] netdev_get_by_index+0x5e/0x80 [ 1717.966058][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1717.966058][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1717.966058][ T1167] ip6_route_add+0x1c/0x140 [ 1717.966058][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1717.966058][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1717.966058][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1717.966058][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1717.966058][ T1167] netlink_rcv_skb+0x130/0x360 [ 1717.966058][ T1167] netlink_unicast+0x449/0x710 [ 1717.966058][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1717.966058][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1717.966058][ T1167] ___sys_sendmsg+0xee/0x170 [ 1717.966058][ T1167] __sys_sendmsg+0xcd/0x170 [ 1717.966058][ T1167] do_syscall_64+0xc6/0x1e0 [ 1717.966058][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1717.966058][ T1167] [ 1717.968336][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1717.968336][ T1167] netdev_get_by_index+0x5e/0x80 [ 1717.968336][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1717.968336][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1717.968336][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1717.968336][ T1167] ipv6_add_addr+0x411/0x2000 [ 1717.968336][ T1167] inet6_addr_add+0x30e/0xa40 [ 1717.968336][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1717.968336][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1717.968336][ T1167] netlink_rcv_skb+0x130/0x360 [ 1717.968336][ T1167] netlink_unicast+0x449/0x710 [ 1717.968336][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1717.968336][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1717.968336][ T1167] ___sys_sendmsg+0xee/0x170 [ 1717.968336][ T1167] __sys_sendmsg+0xcd/0x170 [ 1717.968336][ T1167] do_syscall_64+0xc6/0x1e0 [ 1717.968336][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1717.968336][ T1167] [ 1717.970656][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1717.970656][ T1167] netdev_get_by_index+0x5e/0x80 [ 1717.970656][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1717.970656][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1717.970656][ T1167] ip6_route_add+0x1c/0x140 [ 1717.970656][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1717.970656][ T1167] addrconf_add_dev+0xe2/0x170 [ 1717.970656][ T1167] inet6_addr_add+0x12f/0xa40 [ 1717.970656][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1717.970656][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1717.970656][ T1167] netlink_rcv_skb+0x130/0x360 [ 1717.970656][ T1167] netlink_unicast+0x449/0x710 [ 1717.970656][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1717.970656][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1717.970656][ T1167] ___sys_sendmsg+0xee/0x170 [ 1717.970656][ T1167] __sys_sendmsg+0xcd/0x170 [ 1717.970656][ T1167] do_syscall_64+0xc6/0x1e0 [ 1717.970656][ T1167] [ 1717.972895][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1717.972895][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1717.972895][ T1167] ipv6_find_idev+0x102/0x170 [ 1717.972895][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1717.972895][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1717.972895][ T1167] netlink_rcv_skb+0x130/0x360 [ 1717.972895][ T1167] netlink_unicast+0x449/0x710 [ 1717.972895][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1717.972895][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1717.972895][ T1167] ___sys_sendmsg+0xee/0x170 [ 1717.972895][ T1167] __sys_sendmsg+0xcd/0x170 [ 1717.972895][ T1167] do_syscall_64+0xc6/0x1e0 [ 1717.972895][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1717.972895][ T1167] [ 1717.974639][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1717.974639][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1717.974639][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1717.974639][ T1167] ipv6_find_idev+0x102/0x170 [ 1717.974639][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1717.974639][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1717.974639][ T1167] netlink_rcv_skb+0x130/0x360 [ 1717.974639][ T1167] netlink_unicast+0x449/0x710 [ 1717.974639][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1717.974639][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1717.974639][ T1167] ___sys_sendmsg+0xee/0x170 [ 1717.974639][ T1167] __sys_sendmsg+0xcd/0x170 [ 1717.974639][ T1167] do_syscall_64+0xc6/0x1e0 [ 1717.974639][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1717.974639][ T1167] [ 1720.777151][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1720.777717][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1720.777717][ T10] netdev_get_by_index+0x5e/0x80 [ 1720.777717][ T10] fib6_nh_init+0x3d8/0x1580 [ 1720.777717][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1720.777717][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1720.777717][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1720.777717][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1720.777717][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1720.777717][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1720.777717][ T10] addrconf_dad_begin+0x310/0x670 [ 1720.777717][ T10] addrconf_dad_work+0x10b/0xab0 [ 1720.777717][ T10] process_one_work+0x84d/0x18a0 [ 1720.777717][ T10] worker_thread+0x587/0xd30 [ 1720.777717][ T10] kthread+0x28a/0x350 [ 1720.777717][ T10] ret_from_fork+0x31/0x70 [ 1720.777717][ T10] ret_from_fork_asm+0x1a/0x30 [ 1720.777717][ T10] [ 1720.780686][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1720.780686][ T10] netdev_get_by_index+0x5e/0x80 [ 1720.780686][ T10] fib6_nh_init+0x3d8/0x1580 [ 1720.780686][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1720.780686][ T10] ip6_route_add+0x1c/0x140 [ 1720.780686][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1720.780686][ T10] inet6_addr_add+0x4f8/0xa40 [ 1720.780686][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1720.780686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1720.780686][ T10] netlink_rcv_skb+0x130/0x360 [ 1720.780686][ T10] netlink_unicast+0x449/0x710 [ 1720.780686][ T10] netlink_sendmsg+0x723/0xbe0 [ 1720.780686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1720.780686][ T10] ___sys_sendmsg+0xee/0x170 [ 1720.780686][ T10] __sys_sendmsg+0xcd/0x170 [ 1720.780686][ T10] do_syscall_64+0xc6/0x1e0 [ 1720.780686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1720.780686][ T10] [ 1720.783824][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1720.783824][ T10] netdev_get_by_index+0x5e/0x80 [ 1720.783824][ T10] fib6_nh_init+0x3d8/0x1580 [ 1720.783824][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1720.783824][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1720.783824][ T10] ipv6_add_addr+0x411/0x2000 [ 1720.783824][ T10] inet6_addr_add+0x30e/0xa40 [ 1720.783824][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1720.783824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1720.783824][ T10] netlink_rcv_skb+0x130/0x360 [ 1720.783824][ T10] netlink_unicast+0x449/0x710 [ 1720.783824][ T10] netlink_sendmsg+0x723/0xbe0 [ 1720.783824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1720.783824][ T10] ___sys_sendmsg+0xee/0x170 [ 1720.783824][ T10] __sys_sendmsg+0xcd/0x170 [ 1720.783824][ T10] do_syscall_64+0xc6/0x1e0 [ 1720.783824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1720.783824][ T10] [ 1720.786815][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1720.786815][ T10] netdev_get_by_index+0x5e/0x80 [ 1720.786815][ T10] fib6_nh_init+0x3d8/0x1580 [ 1720.786815][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1720.786815][ T10] ip6_route_add+0x1c/0x140 [ 1720.786815][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1720.786815][ T10] addrconf_add_dev+0xe2/0x170 [ 1720.786815][ T10] inet6_addr_add+0x12f/0xa40 [ 1720.786815][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1720.786815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1720.786815][ T10] netlink_rcv_skb+0x130/0x360 [ 1720.786815][ T10] netlink_unicast+0x449/0x710 [ 1720.786815][ T10] netlink_sendmsg+0x723/0xbe0 [ 1720.786815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1720.786815][ T10] ___sys_sendmsg+0xee/0x170 [ 1720.786815][ T10] __sys_sendmsg+0xcd/0x170 [ 1720.786815][ T10] do_syscall_64+0xc6/0x1e0 [ 1720.786815][ T10] [ 1720.789859][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1720.789859][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1720.789859][ T10] ipv6_find_idev+0x102/0x170 [ 1720.789859][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1720.789859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1720.789859][ T10] netlink_rcv_skb+0x130/0x360 [ 1720.789859][ T10] netlink_unicast+0x449/0x710 [ 1720.789859][ T10] netlink_sendmsg+0x723/0xbe0 [ 1720.789859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1720.789859][ T10] ___sys_sendmsg+0xee/0x170 [ 1720.789859][ T10] __sys_sendmsg+0xcd/0x170 [ 1720.789859][ T10] do_syscall_64+0xc6/0x1e0 [ 1720.789859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1720.789859][ T10] [ 1720.792269][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1720.792269][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1720.792269][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1720.792269][ T10] ipv6_find_idev+0x102/0x170 [ 1720.792269][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1720.792269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1720.792269][ T10] netlink_rcv_skb+0x130/0x360 [ 1720.792269][ T10] netlink_unicast+0x449/0x710 [ 1720.792269][ T10] netlink_sendmsg+0x723/0xbe0 [ 1720.792269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1720.792269][ T10] ___sys_sendmsg+0xee/0x170 [ 1720.792269][ T10] __sys_sendmsg+0xcd/0x170 [ 1720.792269][ T10] do_syscall_64+0xc6/0x1e0 [ 1720.792269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1720.792269][ T10] [ 1720.794809][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1720.795183][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1720.795183][ T10] netdev_get_by_index+0x5e/0x80 [ 1720.795183][ T10] fib6_nh_init+0x3d8/0x1580 [ 1720.795183][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1720.795183][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1720.795183][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1720.795183][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1720.795183][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1720.795183][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1720.795183][ T10] addrconf_dad_begin+0x310/0x670 [ 1720.795183][ T10] addrconf_dad_work+0x10b/0xab0 [ 1720.795183][ T10] process_one_work+0x84d/0x18a0 [ 1720.795183][ T10] worker_thread+0x587/0xd30 [ 1720.795183][ T10] kthread+0x28a/0x350 [ 1720.795183][ T10] ret_from_fork+0x31/0x70 [ 1720.795183][ T10] ret_from_fork_asm+0x1a/0x30 [ 1720.795183][ T10] [ 1720.798087][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1720.798087][ T10] netdev_get_by_index+0x5e/0x80 [ 1720.798087][ T10] fib6_nh_init+0x3d8/0x1580 [ 1720.798087][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1720.798087][ T10] ip6_route_add+0x1c/0x140 [ 1720.798087][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1720.798087][ T10] inet6_addr_add+0x4f8/0xa40 [ 1720.798087][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1720.798087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1720.798087][ T10] netlink_rcv_skb+0x130/0x360 [ 1720.798087][ T10] netlink_unicast+0x449/0x710 [ 1720.798087][ T10] netlink_sendmsg+0x723/0xbe0 [ 1720.798087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1720.798087][ T10] ___sys_sendmsg+0xee/0x170 [ 1720.798087][ T10] __sys_sendmsg+0xcd/0x170 [ 1720.798087][ T10] do_syscall_64+0xc6/0x1e0 [ 1720.798087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1720.798087][ T10] [ 1720.801182][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1720.801182][ T10] netdev_get_by_index+0x5e/0x80 [ 1720.801182][ T10] fib6_nh_init+0x3d8/0x1580 [ 1720.801182][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1720.801182][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1720.801182][ T10] ipv6_add_addr+0x411/0x2000 [ 1720.801182][ T10] inet6_addr_add+0x30e/0xa40 [ 1720.801182][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1720.801182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1720.801182][ T10] netlink_rcv_skb+0x130/0x360 [ 1720.801182][ T10] netlink_unicast+0x449/0x710 [ 1720.801182][ T10] netlink_sendmsg+0x723/0xbe0 [ 1720.801182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1720.801182][ T10] ___sys_sendmsg+0xee/0x170 [ 1720.801182][ T10] __sys_sendmsg+0xcd/0x170 [ 1720.801182][ T10] do_syscall_64+0xc6/0x1e0 [ 1720.801182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1720.801182][ T10] [ 1720.804237][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1720.804237][ T10] netdev_get_by_index+0x5e/0x80 [ 1720.804237][ T10] fib6_nh_init+0x3d8/0x1580 [ 1720.804237][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1720.804237][ T10] ip6_route_add+0x1c/0x140 [ 1720.804237][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1720.804237][ T10] addrconf_add_dev+0xe2/0x170 [ 1720.804237][ T10] inet6_addr_add+0x12f/0xa40 [ 1720.804237][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1720.804237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1720.804237][ T10] netlink_rcv_skb+0x130/0x360 [ 1720.804237][ T10] netlink_unicast+0x449/0x710 [ 1720.804237][ T10] netlink_sendmsg+0x723/0xbe0 [ 1720.804237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1720.804237][ T10] ___sys_sendmsg+0xee/0x170 [ 1720.804237][ T10] __sys_sendmsg+0xcd/0x170 [ 1720.804237][ T10] do_syscall_64+0xc6/0x1e0 [ 1720.804237][ T10] [ 1720.807228][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1720.807228][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1720.807228][ T10] ipv6_find_idev+0x102/0x170 [ 1720.807228][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1720.807228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1720.807228][ T10] netlink_rcv_skb+0x130/0x360 [ 1720.807228][ T10] netlink_unicast+0x449/0x710 [ 1720.807228][ T10] netlink_sendmsg+0x723/0xbe0 [ 1720.807228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1720.807228][ T10] ___sys_sendmsg+0xee/0x170 [ 1720.807228][ T10] __sys_sendmsg+0xcd/0x170 [ 1720.807228][ T10] do_syscall_64+0xc6/0x1e0 [ 1720.807228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1720.807228][ T10] [ 1720.809528][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1720.809528][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1720.809528][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1720.809528][ T10] ipv6_find_idev+0x102/0x170 [ 1720.809528][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1720.809528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1720.809528][ T10] netlink_rcv_skb+0x130/0x360 [ 1720.809528][ T10] netlink_unicast+0x449/0x710 [ 1720.809528][ T10] netlink_sendmsg+0x723/0xbe0 [ 1720.809528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1720.809528][ T10] ___sys_sendmsg+0xee/0x170 [ 1720.809528][ T10] __sys_sendmsg+0xcd/0x170 [ 1720.809528][ T10] do_syscall_64+0xc6/0x1e0 [ 1720.809528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1720.809528][ T10] [ 1720.812123][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1720.812505][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1720.812505][ T10] netdev_get_by_index+0x5e/0x80 [ 1720.812505][ T10] fib6_nh_init+0x3d8/0x1580 [ 1720.812505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1720.812505][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1720.812505][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1720.812505][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1720.812505][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1720.812505][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1720.812505][ T10] addrconf_dad_begin+0x310/0x670 [ 1720.812505][ T10] addrconf_dad_work+0x10b/0xab0 [ 1720.812505][ T10] process_one_work+0x84d/0x18a0 [ 1720.812505][ T10] worker_thread+0x587/0xd30 [ 1720.812505][ T10] kthread+0x28a/0x350 [ 1720.812505][ T10] ret_from_fork+0x31/0x70 [ 1720.812505][ T10] ret_from_fork_asm+0x1a/0x30 [ 1720.812505][ T10] [ 1720.815447][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1720.815447][ T10] netdev_get_by_index+0x5e/0x80 [ 1720.815447][ T10] fib6_nh_init+0x3d8/0x1580 [ 1720.815447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1720.815447][ T10] ip6_route_add+0x1c/0x140 [ 1720.815447][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1720.815447][ T10] inet6_addr_add+0x4f8/0xa40 [ 1720.815447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1720.815447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1720.815447][ T10] netlink_rcv_skb+0x130/0x360 [ 1720.815447][ T10] netlink_unicast+0x449/0x710 [ 1720.815447][ T10] netlink_sendmsg+0x723/0xbe0 [ 1720.815447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1720.815447][ T10] ___sys_sendmsg+0xee/0x170 [ 1720.815447][ T10] __sys_sendmsg+0xcd/0x170 [ 1720.815447][ T10] do_syscall_64+0xc6/0x1e0 [ 1720.815447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1720.815447][ T10] [ 1720.818784][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1720.818784][ T10] netdev_get_by_index+0x5e/0x80 [ 1720.818784][ T10] fib6_nh_init+0x3d8/0x1580 [ 1720.818784][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1720.818784][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1720.818784][ T10] ipv6_add_addr+0x411/0x2000 [ 1720.818784][ T10] inet6_addr_add+0x30e/0xa40 [ 1720.818784][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1720.818784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1720.818784][ T10] netlink_rcv_skb+0x130/0x360 [ 1720.818784][ T10] netlink_unicast+0x449/0x710 [ 1720.818784][ T10] netlink_sendmsg+0x723/0xbe0 [ 1720.818784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1720.818784][ T10] ___sys_sendmsg+0xee/0x170 [ 1720.818784][ T10] __sys_sendmsg+0xcd/0x170 [ 1720.818784][ T10] do_syscall_64+0xc6/0x1e0 [ 1720.818784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1720.818784][ T10] [ 1720.822330][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1720.822330][ T10] netdev_get_by_index+0x5e/0x80 [ 1720.822330][ T10] fib6_nh_init+0x3d8/0x1580 [ 1720.822330][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1720.822330][ T10] ip6_route_add+0x1c/0x140 [ 1720.822330][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1720.822330][ T10] addrconf_add_dev+0xe2/0x170 [ 1720.822330][ T10] inet6_addr_add+0x12f/0xa40 [ 1720.822330][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1720.822330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1720.822330][ T10] netlink_rcv_skb+0x130/0x360 [ 1720.822330][ T10] netlink_unicast+0x449/0x710 [ 1720.822330][ T10] netlink_sendmsg+0x723/0xbe0 [ 1720.822330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1720.822330][ T10] ___sys_sendmsg+0xee/0x170 [ 1720.822330][ T10] __sys_sendmsg+0xcd/0x170 [ 1720.822330][ T10] do_syscall_64+0xc6/0x1e0 [ 1720.822330][ T10] [ 1720.825653][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1720.825653][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1720.825653][ T10] ipv6_find_idev+0x102/0x170 [ 1720.825653][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1720.825653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1720.825653][ T10] netlink_rcv_skb+0x130/0x360 [ 1720.825653][ T10] netlink_unicast+0x449/0x710 [ 1720.825653][ T10] netlink_sendmsg+0x723/0xbe0 [ 1720.825653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1720.825653][ T10] ___sys_sendmsg+0xee/0x170 [ 1720.825653][ T10] __sys_sendmsg+0xcd/0x170 [ 1720.825653][ T10] do_syscall_64+0xc6/0x1e0 [ 1720.825653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1720.825653][ T10] [ 1720.828214][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1720.828214][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1720.828214][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1720.828214][ T10] ipv6_find_idev+0x102/0x170 [ 1720.828214][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1720.828214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1720.828214][ T10] netlink_rcv_skb+0x130/0x360 [ 1720.828214][ T10] netlink_unicast+0x449/0x710 [ 1720.828214][ T10] netlink_sendmsg+0x723/0xbe0 [ 1720.828214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1720.828214][ T10] ___sys_sendmsg+0xee/0x170 [ 1720.828214][ T10] __sys_sendmsg+0xcd/0x170 [ 1720.828214][ T10] do_syscall_64+0xc6/0x1e0 [ 1720.828214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1720.828214][ T10] [ 1720.831041][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1720.831420][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1720.831420][ T10] netdev_get_by_index+0x5e/0x80 [ 1720.831420][ T10] fib6_nh_init+0x3d8/0x1580 [ 1720.831420][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1720.831420][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1720.831420][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1720.831420][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1720.831420][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1720.831420][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1720.831420][ T10] addrconf_dad_begin+0x310/0x670 [ 1720.831420][ T10] addrconf_dad_work+0x10b/0xab0 [ 1720.831420][ T10] process_one_work+0x84d/0x18a0 [ 1720.831420][ T10] worker_thread+0x587/0xd30 [ 1720.831420][ T10] kthread+0x28a/0x350 [ 1720.831420][ T10] ret_from_fork+0x31/0x70 [ 1720.831420][ T10] ret_from_fork_asm+0x1a/0x30 [ 1720.831420][ T10] [ 1720.834796][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1720.834796][ T10] netdev_get_by_index+0x5e/0x80 [ 1720.834796][ T10] fib6_nh_init+0x3d8/0x1580 [ 1720.834796][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1720.834796][ T10] ip6_route_add+0x1c/0x140 [ 1720.834796][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1720.834796][ T10] inet6_addr_add+0x4f8/0xa40 [ 1720.834796][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1720.834796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1720.834796][ T10] netlink_rcv_skb+0x130/0x360 [ 1720.834796][ T10] netlink_unicast+0x449/0x710 [ 1720.834796][ T10] netlink_sendmsg+0x723/0xbe0 [ 1720.834796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1720.834796][ T10] ___sys_sendmsg+0xee/0x170 [ 1720.834796][ T10] __sys_sendmsg+0xcd/0x170 [ 1720.834796][ T10] do_syscall_64+0xc6/0x1e0 [ 1720.834796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1720.834796][ T10] [ 1720.838427][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1720.838427][ T10] netdev_get_by_index+0x5e/0x80 [ 1720.838427][ T10] fib6_nh_init+0x3d8/0x1580 [ 1720.838427][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1720.838427][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1720.838427][ T10] ipv6_add_addr+0x411/0x2000 [ 1720.838427][ T10] inet6_addr_add+0x30e/0xa40 [ 1720.838427][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1720.838427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1720.838427][ T10] netlink_rcv_skb+0x130/0x360 [ 1720.838427][ T10] netlink_unicast+0x449/0x710 [ 1720.838427][ T10] netlink_sendmsg+0x723/0xbe0 [ 1720.838427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1720.838427][ T10] ___sys_sendmsg+0xee/0x170 [ 1720.838427][ T10] __sys_sendmsg+0xcd/0x170 [ 1720.838427][ T10] do_syscall_64+0xc6/0x1e0 [ 1720.838427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1720.838427][ T10] [ 1720.841980][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1720.841980][ T10] netdev_get_by_index+0x5e/0x80 [ 1720.841980][ T10] fib6_nh_init+0x3d8/0x1580 [ 1720.841980][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1720.841980][ T10] ip6_route_add+0x1c/0x140 [ 1720.841980][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1720.841980][ T10] addrconf_add_dev+0xe2/0x170 [ 1720.841980][ T10] inet6_addr_add+0x12f/0xa40 [ 1720.841980][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1720.841980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1720.841980][ T10] netlink_rcv_skb+0x130/0x360 [ 1720.841980][ T10] netlink_unicast+0x449/0x710 [ 1720.841980][ T10] netlink_sendmsg+0x723/0xbe0 [ 1720.841980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1720.841980][ T10] ___sys_sendmsg+0xee/0x170 [ 1720.841980][ T10] __sys_sendmsg+0xcd/0x170 [ 1720.841980][ T10] do_syscall_64+0xc6/0x1e0 [ 1720.841980][ T10] [ 1720.845179][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1720.845179][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1720.845179][ T10] ipv6_find_idev+0x102/0x170 [ 1720.845179][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1720.845179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1720.845179][ T10] netlink_rcv_skb+0x130/0x360 [ 1720.845179][ T10] netlink_unicast+0x449/0x710 [ 1720.845179][ T10] netlink_sendmsg+0x723/0xbe0 [ 1720.845179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1720.845179][ T10] ___sys_sendmsg+0xee/0x170 [ 1720.845179][ T10] __sys_sendmsg+0xcd/0x170 [ 1720.845179][ T10] do_syscall_64+0xc6/0x1e0 [ 1720.845179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1720.845179][ T10] [ 1720.847786][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1720.847786][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1720.847786][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1720.847786][ T10] ipv6_find_idev+0x102/0x170 [ 1720.847786][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1720.847786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1720.847786][ T10] netlink_rcv_skb+0x130/0x360 [ 1720.847786][ T10] netlink_unicast+0x449/0x710 [ 1720.847786][ T10] netlink_sendmsg+0x723/0xbe0 [ 1720.847786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1720.847786][ T10] ___sys_sendmsg+0xee/0x170 [ 1720.847786][ T10] __sys_sendmsg+0xcd/0x170 [ 1720.847786][ T10] do_syscall_64+0xc6/0x1e0 [ 1720.847786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1720.847786][ T10] [ 1728.129201][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1728.129756][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1728.129756][ T1167] dst_init+0x84/0x4a0 [ 1728.129756][ T1167] dst_alloc+0x97/0x150 [ 1728.129756][ T1167] ip6_dst_alloc+0x23/0x90 [ 1728.129756][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1728.129756][ T1167] ip6_pol_route+0x56f/0x840 [ 1728.129756][ T1167] fib6_rule_lookup+0x334/0x630 [ 1728.129756][ T1167] ip6_route_output_flags+0x259/0x480 [ 1728.129756][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1728.129756][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1728.129756][ T1167] netlink_rcv_skb+0x130/0x360 [ 1728.129756][ T1167] netlink_unicast+0x449/0x710 [ 1728.129756][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1728.129756][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1728.129756][ T1167] ___sys_sendmsg+0xee/0x170 [ 1728.129756][ T1167] __sys_sendmsg+0xcd/0x170 [ 1728.129756][ T1167] do_syscall_64+0xc6/0x1e0 [ 1728.129756][ T1167] [ 1728.132009][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1728.132009][ T1167] netdev_get_by_index+0x5e/0x80 [ 1728.132009][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1728.132009][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1728.132009][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1728.132009][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1728.132009][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1728.132009][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1728.132009][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1728.132009][ T1167] addrconf_dad_begin+0x310/0x670 [ 1728.132009][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1728.132009][ T1167] process_one_work+0x84d/0x18a0 [ 1728.132009][ T1167] worker_thread+0x587/0xd30 [ 1728.132009][ T1167] kthread+0x28a/0x350 [ 1728.132009][ T1167] ret_from_fork+0x31/0x70 [ 1728.132009][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1728.132009][ T1167] [ 1728.134187][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1728.134187][ T1167] netdev_get_by_index+0x5e/0x80 [ 1728.134187][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1728.134187][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1728.134187][ T1167] ip6_route_add+0x1c/0x140 [ 1728.134187][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1728.134187][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1728.134187][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1728.134187][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.134187][ T1167] netlink_rcv_skb+0x130/0x360 [ 1728.134187][ T1167] netlink_unicast+0x449/0x710 [ 1728.134187][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1728.134187][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1728.134187][ T1167] ___sys_sendmsg+0xee/0x170 [ 1728.134187][ T1167] __sys_sendmsg+0xcd/0x170 [ 1728.134187][ T1167] do_syscall_64+0xc6/0x1e0 [ 1728.134187][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.134187][ T1167] [ 1728.136451][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1728.136451][ T1167] netdev_get_by_index+0x5e/0x80 [ 1728.136451][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1728.136451][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1728.136451][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1728.136451][ T1167] ipv6_add_addr+0x411/0x2000 [ 1728.136451][ T1167] inet6_addr_add+0x30e/0xa40 [ 1728.136451][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1728.136451][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.136451][ T1167] netlink_rcv_skb+0x130/0x360 [ 1728.136451][ T1167] netlink_unicast+0x449/0x710 [ 1728.136451][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1728.136451][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1728.136451][ T1167] ___sys_sendmsg+0xee/0x170 [ 1728.136451][ T1167] __sys_sendmsg+0xcd/0x170 [ 1728.136451][ T1167] do_syscall_64+0xc6/0x1e0 [ 1728.136451][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.136451][ T1167] [ 1728.138712][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1728.138712][ T1167] netdev_get_by_index+0x5e/0x80 [ 1728.138712][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1728.138712][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1728.138712][ T1167] ip6_route_add+0x1c/0x140 [ 1728.138712][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1728.138712][ T1167] addrconf_add_dev+0xe2/0x170 [ 1728.138712][ T1167] inet6_addr_add+0x12f/0xa40 [ 1728.138712][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1728.138712][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.138712][ T1167] netlink_rcv_skb+0x130/0x360 [ 1728.138712][ T1167] netlink_unicast+0x449/0x710 [ 1728.138712][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1728.138712][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1728.138712][ T1167] ___sys_sendmsg+0xee/0x170 [ 1728.138712][ T1167] __sys_sendmsg+0xcd/0x170 [ 1728.138712][ T1167] do_syscall_64+0xc6/0x1e0 [ 1728.138712][ T1167] [ 1728.140941][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1728.140941][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1728.140941][ T1167] ipv6_find_idev+0x102/0x170 [ 1728.140941][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1728.140941][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.140941][ T1167] netlink_rcv_skb+0x130/0x360 [ 1728.140941][ T1167] netlink_unicast+0x449/0x710 [ 1728.140941][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1728.140941][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1728.140941][ T1167] ___sys_sendmsg+0xee/0x170 [ 1728.140941][ T1167] __sys_sendmsg+0xcd/0x170 [ 1728.140941][ T1167] do_syscall_64+0xc6/0x1e0 [ 1728.140941][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.140941][ T1167] [ 1728.142686][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1728.142686][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1728.142686][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1728.142686][ T1167] ipv6_find_idev+0x102/0x170 [ 1728.142686][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1728.142686][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.142686][ T1167] netlink_rcv_skb+0x130/0x360 [ 1728.142686][ T1167] netlink_unicast+0x449/0x710 [ 1728.142686][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1728.142686][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1728.142686][ T1167] ___sys_sendmsg+0xee/0x170 [ 1728.142686][ T1167] __sys_sendmsg+0xcd/0x170 [ 1728.142686][ T1167] do_syscall_64+0xc6/0x1e0 [ 1728.142686][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.142686][ T1167] [ 1730.945078][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1730.945580][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1730.945580][ T10] netdev_get_by_index+0x5e/0x80 [ 1730.945580][ T10] fib6_nh_init+0x3d8/0x1580 [ 1730.945580][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1730.945580][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1730.945580][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1730.945580][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1730.945580][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1730.945580][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1730.945580][ T10] addrconf_dad_begin+0x310/0x670 [ 1730.945580][ T10] addrconf_dad_work+0x10b/0xab0 [ 1730.945580][ T10] process_one_work+0x84d/0x18a0 [ 1730.945580][ T10] worker_thread+0x587/0xd30 [ 1730.945580][ T10] kthread+0x28a/0x350 [ 1730.945580][ T10] ret_from_fork+0x31/0x70 [ 1730.945580][ T10] ret_from_fork_asm+0x1a/0x30 [ 1730.945580][ T10] [ 1730.947639][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1730.947639][ T10] netdev_get_by_index+0x5e/0x80 [ 1730.947639][ T10] fib6_nh_init+0x3d8/0x1580 [ 1730.947639][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1730.947639][ T10] ip6_route_add+0x1c/0x140 [ 1730.947639][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1730.947639][ T10] inet6_addr_add+0x4f8/0xa40 [ 1730.947639][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1730.947639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1730.947639][ T10] netlink_rcv_skb+0x130/0x360 [ 1730.947639][ T10] netlink_unicast+0x449/0x710 [ 1730.947639][ T10] netlink_sendmsg+0x723/0xbe0 [ 1730.947639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1730.947639][ T10] ___sys_sendmsg+0xee/0x170 [ 1730.947639][ T10] __sys_sendmsg+0xcd/0x170 [ 1730.947639][ T10] do_syscall_64+0xc6/0x1e0 [ 1730.947639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1730.947639][ T10] [ 1730.949762][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1730.949762][ T10] netdev_get_by_index+0x5e/0x80 [ 1730.949762][ T10] fib6_nh_init+0x3d8/0x1580 [ 1730.949762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1730.949762][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1730.949762][ T10] ipv6_add_addr+0x411/0x2000 [ 1730.949762][ T10] inet6_addr_add+0x30e/0xa40 [ 1730.949762][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1730.949762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1730.949762][ T10] netlink_rcv_skb+0x130/0x360 [ 1730.949762][ T10] netlink_unicast+0x449/0x710 [ 1730.949762][ T10] netlink_sendmsg+0x723/0xbe0 [ 1730.949762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1730.949762][ T10] ___sys_sendmsg+0xee/0x170 [ 1730.949762][ T10] __sys_sendmsg+0xcd/0x170 [ 1730.949762][ T10] do_syscall_64+0xc6/0x1e0 [ 1730.949762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1730.949762][ T10] [ 1730.951858][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1730.951858][ T10] netdev_get_by_index+0x5e/0x80 [ 1730.951858][ T10] fib6_nh_init+0x3d8/0x1580 [ 1730.951858][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1730.951858][ T10] ip6_route_add+0x1c/0x140 [ 1730.951858][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1730.951858][ T10] addrconf_add_dev+0xe2/0x170 [ 1730.951858][ T10] inet6_addr_add+0x12f/0xa40 [ 1730.951858][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1730.951858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1730.951858][ T10] netlink_rcv_skb+0x130/0x360 [ 1730.951858][ T10] netlink_unicast+0x449/0x710 [ 1730.951858][ T10] netlink_sendmsg+0x723/0xbe0 [ 1730.951858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1730.951858][ T10] ___sys_sendmsg+0xee/0x170 [ 1730.951858][ T10] __sys_sendmsg+0xcd/0x170 [ 1730.951858][ T10] do_syscall_64+0xc6/0x1e0 [ 1730.951858][ T10] [ 1730.953924][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1730.953924][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1730.953924][ T10] ipv6_find_idev+0x102/0x170 [ 1730.953924][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1730.953924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1730.953924][ T10] netlink_rcv_skb+0x130/0x360 [ 1730.953924][ T10] netlink_unicast+0x449/0x710 [ 1730.953924][ T10] netlink_sendmsg+0x723/0xbe0 [ 1730.953924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1730.953924][ T10] ___sys_sendmsg+0xee/0x170 [ 1730.953924][ T10] __sys_sendmsg+0xcd/0x170 [ 1730.953924][ T10] do_syscall_64+0xc6/0x1e0 [ 1730.953924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1730.953924][ T10] [ 1730.956057][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1730.956057][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1730.956057][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1730.956057][ T10] ipv6_find_idev+0x102/0x170 [ 1730.956057][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1730.956057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1730.956057][ T10] netlink_rcv_skb+0x130/0x360 [ 1730.956057][ T10] netlink_unicast+0x449/0x710 [ 1730.956057][ T10] netlink_sendmsg+0x723/0xbe0 [ 1730.956057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1730.956057][ T10] ___sys_sendmsg+0xee/0x170 [ 1730.956057][ T10] __sys_sendmsg+0xcd/0x170 [ 1730.956057][ T10] do_syscall_64+0xc6/0x1e0 [ 1730.956057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1730.956057][ T10] [ 1730.957767][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1730.958014][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1730.958014][ T10] netdev_get_by_index+0x5e/0x80 [ 1730.958014][ T10] fib6_nh_init+0x3d8/0x1580 [ 1730.958014][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1730.958014][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1730.958014][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1730.958014][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1730.958014][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1730.958014][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1730.958014][ T10] addrconf_dad_begin+0x310/0x670 [ 1730.958014][ T10] addrconf_dad_work+0x10b/0xab0 [ 1730.958014][ T10] process_one_work+0x84d/0x18a0 [ 1730.958014][ T10] worker_thread+0x587/0xd30 [ 1730.958014][ T10] kthread+0x28a/0x350 [ 1730.958014][ T10] ret_from_fork+0x31/0x70 [ 1730.958014][ T10] ret_from_fork_asm+0x1a/0x30 [ 1730.958014][ T10] [ 1730.959918][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1730.959918][ T10] netdev_get_by_index+0x5e/0x80 [ 1730.959918][ T10] fib6_nh_init+0x3d8/0x1580 [ 1730.959918][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1730.959918][ T10] ip6_route_add+0x1c/0x140 [ 1730.959918][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1730.959918][ T10] inet6_addr_add+0x4f8/0xa40 [ 1730.959918][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1730.959918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1730.959918][ T10] netlink_rcv_skb+0x130/0x360 [ 1730.959918][ T10] netlink_unicast+0x449/0x710 [ 1730.959918][ T10] netlink_sendmsg+0x723/0xbe0 [ 1730.959918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1730.959918][ T10] ___sys_sendmsg+0xee/0x170 [ 1730.959918][ T10] __sys_sendmsg+0xcd/0x170 [ 1730.959918][ T10] do_syscall_64+0xc6/0x1e0 [ 1730.959918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1730.959918][ T10] [ 1730.962045][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1730.962045][ T10] netdev_get_by_index+0x5e/0x80 [ 1730.962045][ T10] fib6_nh_init+0x3d8/0x1580 [ 1730.962045][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1730.962045][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1730.962045][ T10] ipv6_add_addr+0x411/0x2000 [ 1730.962045][ T10] inet6_addr_add+0x30e/0xa40 [ 1730.962045][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1730.962045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1730.962045][ T10] netlink_rcv_skb+0x130/0x360 [ 1730.962045][ T10] netlink_unicast+0x449/0x710 [ 1730.962045][ T10] netlink_sendmsg+0x723/0xbe0 [ 1730.962045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1730.962045][ T10] ___sys_sendmsg+0xee/0x170 [ 1730.962045][ T10] __sys_sendmsg+0xcd/0x170 [ 1730.962045][ T10] do_syscall_64+0xc6/0x1e0 [ 1730.962045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1730.962045][ T10] [ 1730.964142][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1730.964142][ T10] netdev_get_by_index+0x5e/0x80 [ 1730.964142][ T10] fib6_nh_init+0x3d8/0x1580 [ 1730.964142][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1730.964142][ T10] ip6_route_add+0x1c/0x140 [ 1730.964142][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1730.964142][ T10] addrconf_add_dev+0xe2/0x170 [ 1730.964142][ T10] inet6_addr_add+0x12f/0xa40 [ 1730.964142][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1730.964142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1730.964142][ T10] netlink_rcv_skb+0x130/0x360 [ 1730.964142][ T10] netlink_unicast+0x449/0x710 [ 1730.964142][ T10] netlink_sendmsg+0x723/0xbe0 [ 1730.964142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1730.964142][ T10] ___sys_sendmsg+0xee/0x170 [ 1730.964142][ T10] __sys_sendmsg+0xcd/0x170 [ 1730.964142][ T10] do_syscall_64+0xc6/0x1e0 [ 1730.964142][ T10] [ 1730.966206][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1730.966206][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1730.966206][ T10] ipv6_find_idev+0x102/0x170 [ 1730.966206][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1730.966206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1730.966206][ T10] netlink_rcv_skb+0x130/0x360 [ 1730.966206][ T10] netlink_unicast+0x449/0x710 [ 1730.966206][ T10] netlink_sendmsg+0x723/0xbe0 [ 1730.966206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1730.966206][ T10] ___sys_sendmsg+0xee/0x170 [ 1730.966206][ T10] __sys_sendmsg+0xcd/0x170 [ 1730.966206][ T10] do_syscall_64+0xc6/0x1e0 [ 1730.966206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1730.966206][ T10] [ 1730.967834][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1730.967834][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1730.967834][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1730.967834][ T10] ipv6_find_idev+0x102/0x170 [ 1730.967834][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1730.967834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1730.967834][ T10] netlink_rcv_skb+0x130/0x360 [ 1730.967834][ T10] netlink_unicast+0x449/0x710 [ 1730.967834][ T10] netlink_sendmsg+0x723/0xbe0 [ 1730.967834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1730.967834][ T10] ___sys_sendmsg+0xee/0x170 [ 1730.967834][ T10] __sys_sendmsg+0xcd/0x170 [ 1730.967834][ T10] do_syscall_64+0xc6/0x1e0 [ 1730.967834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1730.967834][ T10] [ 1730.969604][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1730.969867][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1730.969867][ T10] netdev_get_by_index+0x5e/0x80 [ 1730.969867][ T10] fib6_nh_init+0x3d8/0x1580 [ 1730.969867][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1730.969867][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1730.969867][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1730.969867][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1730.969867][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1730.969867][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1730.969867][ T10] addrconf_dad_begin+0x310/0x670 [ 1730.969867][ T10] addrconf_dad_work+0x10b/0xab0 [ 1730.969867][ T10] process_one_work+0x84d/0x18a0 [ 1730.969867][ T10] worker_thread+0x587/0xd30 [ 1730.969867][ T10] kthread+0x28a/0x350 [ 1730.969867][ T10] ret_from_fork+0x31/0x70 [ 1730.969867][ T10] ret_from_fork_asm+0x1a/0x30 [ 1730.969867][ T10] [ 1730.971882][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1730.971882][ T10] netdev_get_by_index+0x5e/0x80 [ 1730.971882][ T10] fib6_nh_init+0x3d8/0x1580 [ 1730.971882][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1730.971882][ T10] ip6_route_add+0x1c/0x140 [ 1730.971882][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1730.971882][ T10] inet6_addr_add+0x4f8/0xa40 [ 1730.971882][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1730.971882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1730.971882][ T10] netlink_rcv_skb+0x130/0x360 [ 1730.971882][ T10] netlink_unicast+0x449/0x710 [ 1730.971882][ T10] netlink_sendmsg+0x723/0xbe0 [ 1730.971882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1730.971882][ T10] ___sys_sendmsg+0xee/0x170 [ 1730.971882][ T10] __sys_sendmsg+0xcd/0x170 [ 1730.971882][ T10] do_syscall_64+0xc6/0x1e0 [ 1730.971882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1730.971882][ T10] [ 1730.974605][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1730.974605][ T10] netdev_get_by_index+0x5e/0x80 [ 1730.974605][ T10] fib6_nh_init+0x3d8/0x1580 [ 1730.974605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1730.974605][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1730.974605][ T10] ipv6_add_addr+0x411/0x2000 [ 1730.974605][ T10] inet6_addr_add+0x30e/0xa40 [ 1730.974605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1730.974605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1730.974605][ T10] netlink_rcv_skb+0x130/0x360 [ 1730.974605][ T10] netlink_unicast+0x449/0x710 [ 1730.974605][ T10] netlink_sendmsg+0x723/0xbe0 [ 1730.974605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1730.974605][ T10] ___sys_sendmsg+0xee/0x170 [ 1730.974605][ T10] __sys_sendmsg+0xcd/0x170 [ 1730.974605][ T10] do_syscall_64+0xc6/0x1e0 [ 1730.974605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1730.974605][ T10] [ 1730.976869][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1730.976869][ T10] netdev_get_by_index+0x5e/0x80 [ 1730.976869][ T10] fib6_nh_init+0x3d8/0x1580 [ 1730.976869][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1730.976869][ T10] ip6_route_add+0x1c/0x140 [ 1730.976869][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1730.976869][ T10] addrconf_add_dev+0xe2/0x170 [ 1730.976869][ T10] inet6_addr_add+0x12f/0xa40 [ 1730.976869][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1730.976869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1730.976869][ T10] netlink_rcv_skb+0x130/0x360 [ 1730.976869][ T10] netlink_unicast+0x449/0x710 [ 1730.976869][ T10] netlink_sendmsg+0x723/0xbe0 [ 1730.976869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1730.976869][ T10] ___sys_sendmsg+0xee/0x170 [ 1730.976869][ T10] __sys_sendmsg+0xcd/0x170 [ 1730.976869][ T10] do_syscall_64+0xc6/0x1e0 [ 1730.976869][ T10] [ 1730.979076][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1730.979076][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1730.979076][ T10] ipv6_find_idev+0x102/0x170 [ 1730.979076][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1730.979076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1730.979076][ T10] netlink_rcv_skb+0x130/0x360 [ 1730.979076][ T10] netlink_unicast+0x449/0x710 [ 1730.979076][ T10] netlink_sendmsg+0x723/0xbe0 [ 1730.979076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1730.979076][ T10] ___sys_sendmsg+0xee/0x170 [ 1730.979076][ T10] __sys_sendmsg+0xcd/0x170 [ 1730.979076][ T10] do_syscall_64+0xc6/0x1e0 [ 1730.979076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1730.979076][ T10] [ 1730.980833][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1730.980833][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1730.980833][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1730.980833][ T10] ipv6_find_idev+0x102/0x170 [ 1730.980833][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1730.980833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1730.980833][ T10] netlink_rcv_skb+0x130/0x360 [ 1730.980833][ T10] netlink_unicast+0x449/0x710 [ 1730.980833][ T10] netlink_sendmsg+0x723/0xbe0 [ 1730.980833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1730.980833][ T10] ___sys_sendmsg+0xee/0x170 [ 1730.980833][ T10] __sys_sendmsg+0xcd/0x170 [ 1730.980833][ T10] do_syscall_64+0xc6/0x1e0 [ 1730.980833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1730.980833][ T10] [ 1730.982810][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1730.983560][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1730.983560][ T10] netdev_get_by_index+0x5e/0x80 [ 1730.983560][ T10] fib6_nh_init+0x3d8/0x1580 [ 1730.983560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1730.983560][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1730.983560][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1730.983560][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1730.983560][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1730.983560][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1730.983560][ T10] addrconf_dad_begin+0x310/0x670 [ 1730.983560][ T10] addrconf_dad_work+0x10b/0xab0 [ 1730.983560][ T10] process_one_work+0x84d/0x18a0 [ 1730.983560][ T10] worker_thread+0x587/0xd30 [ 1730.983560][ T10] kthread+0x28a/0x350 [ 1730.983560][ T10] ret_from_fork+0x31/0x70 [ 1730.983560][ T10] ret_from_fork_asm+0x1a/0x30 [ 1730.983560][ T10] [ 1730.985557][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1730.985557][ T10] netdev_get_by_index+0x5e/0x80 [ 1730.985557][ T10] fib6_nh_init+0x3d8/0x1580 [ 1730.985557][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1730.985557][ T10] ip6_route_add+0x1c/0x140 [ 1730.985557][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1730.985557][ T10] inet6_addr_add+0x4f8/0xa40 [ 1730.985557][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1730.985557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1730.985557][ T10] netlink_rcv_skb+0x130/0x360 [ 1730.985557][ T10] netlink_unicast+0x449/0x710 [ 1730.985557][ T10] netlink_sendmsg+0x723/0xbe0 [ 1730.985557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1730.985557][ T10] ___sys_sendmsg+0xee/0x170 [ 1730.985557][ T10] __sys_sendmsg+0xcd/0x170 [ 1730.985557][ T10] do_syscall_64+0xc6/0x1e0 [ 1730.985557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1730.985557][ T10] [ 1730.987838][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1730.987838][ T10] netdev_get_by_index+0x5e/0x80 [ 1730.987838][ T10] fib6_nh_init+0x3d8/0x1580 [ 1730.987838][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1730.987838][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1730.987838][ T10] ipv6_add_addr+0x411/0x2000 [ 1730.987838][ T10] inet6_addr_add+0x30e/0xa40 [ 1730.987838][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1730.987838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1730.987838][ T10] netlink_rcv_skb+0x130/0x360 [ 1730.987838][ T10] netlink_unicast+0x449/0x710 [ 1730.987838][ T10] netlink_sendmsg+0x723/0xbe0 [ 1730.987838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1730.987838][ T10] ___sys_sendmsg+0xee/0x170 [ 1730.987838][ T10] __sys_sendmsg+0xcd/0x170 [ 1730.987838][ T10] do_syscall_64+0xc6/0x1e0 [ 1730.987838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1730.987838][ T10] [ 1730.990218][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1730.990218][ T10] netdev_get_by_index+0x5e/0x80 [ 1730.990218][ T10] fib6_nh_init+0x3d8/0x1580 [ 1730.990218][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1730.990218][ T10] ip6_route_add+0x1c/0x140 [ 1730.990218][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1730.990218][ T10] addrconf_add_dev+0xe2/0x170 [ 1730.990218][ T10] inet6_addr_add+0x12f/0xa40 [ 1730.990218][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1730.990218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1730.990218][ T10] netlink_rcv_skb+0x130/0x360 [ 1730.990218][ T10] netlink_unicast+0x449/0x710 [ 1730.990218][ T10] netlink_sendmsg+0x723/0xbe0 [ 1730.990218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1730.990218][ T10] ___sys_sendmsg+0xee/0x170 [ 1730.990218][ T10] __sys_sendmsg+0xcd/0x170 [ 1730.990218][ T10] do_syscall_64+0xc6/0x1e0 [ 1730.990218][ T10] [ 1730.992567][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1730.992567][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1730.992567][ T10] ipv6_find_idev+0x102/0x170 [ 1730.992567][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1730.992567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1730.992567][ T10] netlink_rcv_skb+0x130/0x360 [ 1730.992567][ T10] netlink_unicast+0x449/0x710 [ 1730.992567][ T10] netlink_sendmsg+0x723/0xbe0 [ 1730.992567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1730.992567][ T10] ___sys_sendmsg+0xee/0x170 [ 1730.992567][ T10] __sys_sendmsg+0xcd/0x170 [ 1730.992567][ T10] do_syscall_64+0xc6/0x1e0 [ 1730.992567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1730.992567][ T10] [ 1730.994270][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1730.994270][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1730.994270][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1730.994270][ T10] ipv6_find_idev+0x102/0x170 [ 1730.994270][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1730.994270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1730.994270][ T10] netlink_rcv_skb+0x130/0x360 [ 1730.994270][ T10] netlink_unicast+0x449/0x710 [ 1730.994270][ T10] netlink_sendmsg+0x723/0xbe0 [ 1730.994270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1730.994270][ T10] ___sys_sendmsg+0xee/0x170 [ 1730.994270][ T10] __sys_sendmsg+0xcd/0x170 [ 1730.994270][ T10] do_syscall_64+0xc6/0x1e0 [ 1730.994270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1730.994270][ T10] [ 1738.177152][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1738.177640][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1738.177640][ T1167] dst_init+0x84/0x4a0 [ 1738.177640][ T1167] dst_alloc+0x97/0x150 [ 1738.177640][ T1167] ip6_dst_alloc+0x23/0x90 [ 1738.177640][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1738.177640][ T1167] ip6_pol_route+0x56f/0x840 [ 1738.177640][ T1167] fib6_rule_lookup+0x334/0x630 [ 1738.177640][ T1167] ip6_route_output_flags+0x259/0x480 [ 1738.177640][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1738.177640][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1738.177640][ T1167] netlink_rcv_skb+0x130/0x360 [ 1738.177640][ T1167] netlink_unicast+0x449/0x710 [ 1738.177640][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1738.177640][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1738.177640][ T1167] ___sys_sendmsg+0xee/0x170 [ 1738.177640][ T1167] __sys_sendmsg+0xcd/0x170 [ 1738.177640][ T1167] do_syscall_64+0xc6/0x1e0 [ 1738.177640][ T1167] [ 1738.179856][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1738.179856][ T1167] netdev_get_by_index+0x5e/0x80 [ 1738.179856][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1738.179856][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1738.179856][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1738.179856][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1738.179856][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1738.179856][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1738.179856][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1738.179856][ T1167] addrconf_dad_begin+0x310/0x670 [ 1738.179856][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1738.179856][ T1167] process_one_work+0x84d/0x18a0 [ 1738.179856][ T1167] worker_thread+0x587/0xd30 [ 1738.179856][ T1167] kthread+0x28a/0x350 [ 1738.179856][ T1167] ret_from_fork+0x31/0x70 [ 1738.179856][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1738.179856][ T1167] [ 1738.182038][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1738.182038][ T1167] netdev_get_by_index+0x5e/0x80 [ 1738.182038][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1738.182038][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1738.182038][ T1167] ip6_route_add+0x1c/0x140 [ 1738.182038][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1738.182038][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1738.182038][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1738.182038][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1738.182038][ T1167] netlink_rcv_skb+0x130/0x360 [ 1738.182038][ T1167] netlink_unicast+0x449/0x710 [ 1738.182038][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1738.182038][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1738.182038][ T1167] ___sys_sendmsg+0xee/0x170 [ 1738.182038][ T1167] __sys_sendmsg+0xcd/0x170 [ 1738.182038][ T1167] do_syscall_64+0xc6/0x1e0 [ 1738.182038][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1738.182038][ T1167] [ 1738.184288][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1738.184288][ T1167] netdev_get_by_index+0x5e/0x80 [ 1738.184288][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1738.184288][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1738.184288][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1738.184288][ T1167] ipv6_add_addr+0x411/0x2000 [ 1738.184288][ T1167] inet6_addr_add+0x30e/0xa40 [ 1738.184288][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1738.184288][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1738.184288][ T1167] netlink_rcv_skb+0x130/0x360 [ 1738.184288][ T1167] netlink_unicast+0x449/0x710 [ 1738.184288][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1738.184288][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1738.184288][ T1167] ___sys_sendmsg+0xee/0x170 [ 1738.184288][ T1167] __sys_sendmsg+0xcd/0x170 [ 1738.184288][ T1167] do_syscall_64+0xc6/0x1e0 [ 1738.184288][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1738.184288][ T1167] [ 1738.186551][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1738.186551][ T1167] netdev_get_by_index+0x5e/0x80 [ 1738.186551][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1738.186551][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1738.186551][ T1167] ip6_route_add+0x1c/0x140 [ 1738.186551][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1738.186551][ T1167] addrconf_add_dev+0xe2/0x170 [ 1738.186551][ T1167] inet6_addr_add+0x12f/0xa40 [ 1738.186551][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1738.186551][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1738.186551][ T1167] netlink_rcv_skb+0x130/0x360 [ 1738.186551][ T1167] netlink_unicast+0x449/0x710 [ 1738.186551][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1738.186551][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1738.186551][ T1167] ___sys_sendmsg+0xee/0x170 [ 1738.186551][ T1167] __sys_sendmsg+0xcd/0x170 [ 1738.186551][ T1167] do_syscall_64+0xc6/0x1e0 [ 1738.186551][ T1167] [ 1738.188776][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1738.188776][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1738.188776][ T1167] ipv6_find_idev+0x102/0x170 [ 1738.188776][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1738.188776][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1738.188776][ T1167] netlink_rcv_skb+0x130/0x360 [ 1738.188776][ T1167] netlink_unicast+0x449/0x710 [ 1738.188776][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1738.188776][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1738.188776][ T1167] ___sys_sendmsg+0xee/0x170 [ 1738.188776][ T1167] __sys_sendmsg+0xcd/0x170 [ 1738.188776][ T1167] do_syscall_64+0xc6/0x1e0 [ 1738.188776][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1738.188776][ T1167] [ 1738.190523][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1738.190523][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1738.190523][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1738.190523][ T1167] ipv6_find_idev+0x102/0x170 [ 1738.190523][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1738.190523][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1738.190523][ T1167] netlink_rcv_skb+0x130/0x360 [ 1738.190523][ T1167] netlink_unicast+0x449/0x710 [ 1738.190523][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1738.190523][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1738.190523][ T1167] ___sys_sendmsg+0xee/0x170 [ 1738.190523][ T1167] __sys_sendmsg+0xcd/0x170 [ 1738.190523][ T1167] do_syscall_64+0xc6/0x1e0 [ 1738.190523][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1738.190523][ T1167] [ 1741.249124][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1741.249613][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1741.249613][ T10] netdev_get_by_index+0x5e/0x80 [ 1741.249613][ T10] fib6_nh_init+0x3d8/0x1580 [ 1741.249613][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1741.249613][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1741.249613][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1741.249613][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1741.249613][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1741.249613][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1741.249613][ T10] addrconf_dad_begin+0x310/0x670 [ 1741.249613][ T10] addrconf_dad_work+0x10b/0xab0 [ 1741.249613][ T10] process_one_work+0x84d/0x18a0 [ 1741.249613][ T10] worker_thread+0x587/0xd30 [ 1741.249613][ T10] kthread+0x28a/0x350 [ 1741.249613][ T10] ret_from_fork+0x31/0x70 [ 1741.249613][ T10] ret_from_fork_asm+0x1a/0x30 [ 1741.249613][ T10] [ 1741.251761][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1741.251761][ T10] netdev_get_by_index+0x5e/0x80 [ 1741.251761][ T10] fib6_nh_init+0x3d8/0x1580 [ 1741.251761][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1741.251761][ T10] ip6_route_add+0x1c/0x140 [ 1741.251761][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1741.251761][ T10] inet6_addr_add+0x4f8/0xa40 [ 1741.251761][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1741.251761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.251761][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.251761][ T10] netlink_unicast+0x449/0x710 [ 1741.251761][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.251761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.251761][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.251761][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.251761][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.251761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.251761][ T10] [ 1741.253896][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1741.253896][ T10] netdev_get_by_index+0x5e/0x80 [ 1741.253896][ T10] fib6_nh_init+0x3d8/0x1580 [ 1741.253896][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1741.253896][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1741.253896][ T10] ipv6_add_addr+0x411/0x2000 [ 1741.253896][ T10] inet6_addr_add+0x30e/0xa40 [ 1741.253896][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1741.253896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.253896][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.253896][ T10] netlink_unicast+0x449/0x710 [ 1741.253896][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.253896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.253896][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.253896][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.253896][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.253896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.253896][ T10] [ 1741.255974][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1741.255974][ T10] netdev_get_by_index+0x5e/0x80 [ 1741.255974][ T10] fib6_nh_init+0x3d8/0x1580 [ 1741.255974][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1741.255974][ T10] ip6_route_add+0x1c/0x140 [ 1741.255974][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1741.255974][ T10] addrconf_add_dev+0xe2/0x170 [ 1741.255974][ T10] inet6_addr_add+0x12f/0xa40 [ 1741.255974][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1741.255974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.255974][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.255974][ T10] netlink_unicast+0x449/0x710 [ 1741.255974][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.255974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.255974][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.255974][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.255974][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.255974][ T10] [ 1741.258087][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1741.258087][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1741.258087][ T10] ipv6_find_idev+0x102/0x170 [ 1741.258087][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1741.258087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.258087][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.258087][ T10] netlink_unicast+0x449/0x710 [ 1741.258087][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.258087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.258087][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.258087][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.258087][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.258087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.258087][ T10] [ 1741.259710][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1741.259710][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1741.259710][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1741.259710][ T10] ipv6_find_idev+0x102/0x170 [ 1741.259710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1741.259710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.259710][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.259710][ T10] netlink_unicast+0x449/0x710 [ 1741.259710][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.259710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.259710][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.259710][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.259710][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.259710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.259710][ T10] [ 1741.261538][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1741.261797][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1741.261797][ T10] netdev_get_by_index+0x5e/0x80 [ 1741.261797][ T10] fib6_nh_init+0x3d8/0x1580 [ 1741.261797][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1741.261797][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1741.261797][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1741.261797][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1741.261797][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1741.261797][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1741.261797][ T10] addrconf_dad_begin+0x310/0x670 [ 1741.261797][ T10] addrconf_dad_work+0x10b/0xab0 [ 1741.261797][ T10] process_one_work+0x84d/0x18a0 [ 1741.261797][ T10] worker_thread+0x587/0xd30 [ 1741.261797][ T10] kthread+0x28a/0x350 [ 1741.261797][ T10] ret_from_fork+0x31/0x70 [ 1741.261797][ T10] ret_from_fork_asm+0x1a/0x30 [ 1741.261797][ T10] [ 1741.263789][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1741.263789][ T10] netdev_get_by_index+0x5e/0x80 [ 1741.263789][ T10] fib6_nh_init+0x3d8/0x1580 [ 1741.263789][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1741.263789][ T10] ip6_route_add+0x1c/0x140 [ 1741.263789][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1741.263789][ T10] inet6_addr_add+0x4f8/0xa40 [ 1741.263789][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1741.263789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.263789][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.263789][ T10] netlink_unicast+0x449/0x710 [ 1741.263789][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.263789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.263789][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.263789][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.263789][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.263789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.263789][ T10] [ 1741.265831][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1741.265831][ T10] netdev_get_by_index+0x5e/0x80 [ 1741.265831][ T10] fib6_nh_init+0x3d8/0x1580 [ 1741.265831][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1741.265831][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1741.265831][ T10] ipv6_add_addr+0x411/0x2000 [ 1741.265831][ T10] inet6_addr_add+0x30e/0xa40 [ 1741.265831][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1741.265831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.265831][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.265831][ T10] netlink_unicast+0x449/0x710 [ 1741.265831][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.265831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.265831][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.265831][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.265831][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.265831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.265831][ T10] [ 1741.267835][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1741.267835][ T10] netdev_get_by_index+0x5e/0x80 [ 1741.267835][ T10] fib6_nh_init+0x3d8/0x1580 [ 1741.267835][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1741.267835][ T10] ip6_route_add+0x1c/0x140 [ 1741.267835][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1741.267835][ T10] addrconf_add_dev+0xe2/0x170 [ 1741.267835][ T10] inet6_addr_add+0x12f/0xa40 [ 1741.267835][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1741.267835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.267835][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.267835][ T10] netlink_unicast+0x449/0x710 [ 1741.267835][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.267835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.267835][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.267835][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.267835][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.267835][ T10] [ 1741.269925][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1741.269925][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1741.269925][ T10] ipv6_find_idev+0x102/0x170 [ 1741.269925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1741.269925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.269925][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.269925][ T10] netlink_unicast+0x449/0x710 [ 1741.269925][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.269925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.269925][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.269925][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.269925][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.269925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.269925][ T10] [ 1741.271547][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1741.271547][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1741.271547][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1741.271547][ T10] ipv6_find_idev+0x102/0x170 [ 1741.271547][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1741.271547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.271547][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.271547][ T10] netlink_unicast+0x449/0x710 [ 1741.271547][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.271547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.271547][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.271547][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.271547][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.271547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.271547][ T10] [ 1741.273392][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1741.273646][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1741.273646][ T10] netdev_get_by_index+0x5e/0x80 [ 1741.273646][ T10] fib6_nh_init+0x3d8/0x1580 [ 1741.273646][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1741.273646][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1741.273646][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1741.273646][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1741.273646][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1741.273646][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1741.273646][ T10] addrconf_dad_begin+0x310/0x670 [ 1741.273646][ T10] addrconf_dad_work+0x10b/0xab0 [ 1741.273646][ T10] process_one_work+0x84d/0x18a0 [ 1741.273646][ T10] worker_thread+0x587/0xd30 [ 1741.273646][ T10] kthread+0x28a/0x350 [ 1741.273646][ T10] ret_from_fork+0x31/0x70 [ 1741.273646][ T10] ret_from_fork_asm+0x1a/0x30 [ 1741.273646][ T10] [ 1741.275663][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1741.275663][ T10] netdev_get_by_index+0x5e/0x80 [ 1741.275663][ T10] fib6_nh_init+0x3d8/0x1580 [ 1741.275663][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1741.275663][ T10] ip6_route_add+0x1c/0x140 [ 1741.275663][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1741.275663][ T10] inet6_addr_add+0x4f8/0xa40 [ 1741.275663][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1741.275663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.275663][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.275663][ T10] netlink_unicast+0x449/0x710 [ 1741.275663][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.275663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.275663][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.275663][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.275663][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.275663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.275663][ T10] [ 1741.277979][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1741.277979][ T10] netdev_get_by_index+0x5e/0x80 [ 1741.277979][ T10] fib6_nh_init+0x3d8/0x1580 [ 1741.277979][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1741.277979][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1741.277979][ T10] ipv6_add_addr+0x411/0x2000 [ 1741.277979][ T10] inet6_addr_add+0x30e/0xa40 [ 1741.277979][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1741.277979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.277979][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.277979][ T10] netlink_unicast+0x449/0x710 [ 1741.277979][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.277979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.277979][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.277979][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.277979][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.277979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.277979][ T10] [ 1741.280468][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1741.280468][ T10] netdev_get_by_index+0x5e/0x80 [ 1741.280468][ T10] fib6_nh_init+0x3d8/0x1580 [ 1741.280468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1741.280468][ T10] ip6_route_add+0x1c/0x140 [ 1741.280468][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1741.280468][ T10] addrconf_add_dev+0xe2/0x170 [ 1741.280468][ T10] inet6_addr_add+0x12f/0xa40 [ 1741.280468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1741.280468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.280468][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.280468][ T10] netlink_unicast+0x449/0x710 [ 1741.280468][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.280468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.280468][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.280468][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.280468][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.280468][ T10] [ 1741.282752][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1741.282752][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1741.282752][ T10] ipv6_find_idev+0x102/0x170 [ 1741.282752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1741.282752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.282752][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.282752][ T10] netlink_unicast+0x449/0x710 [ 1741.282752][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.282752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.282752][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.282752][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.282752][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.282752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.282752][ T10] [ 1741.284478][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1741.284478][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1741.284478][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1741.284478][ T10] ipv6_find_idev+0x102/0x170 [ 1741.284478][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1741.284478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.284478][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.284478][ T10] netlink_unicast+0x449/0x710 [ 1741.284478][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.284478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.284478][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.284478][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.284478][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.284478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.284478][ T10] [ 1741.286366][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1741.286608][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1741.286608][ T10] netdev_get_by_index+0x5e/0x80 [ 1741.286608][ T10] fib6_nh_init+0x3d8/0x1580 [ 1741.286608][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1741.286608][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1741.286608][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1741.286608][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1741.286608][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1741.286608][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1741.286608][ T10] addrconf_dad_begin+0x310/0x670 [ 1741.286608][ T10] addrconf_dad_work+0x10b/0xab0 [ 1741.286608][ T10] process_one_work+0x84d/0x18a0 [ 1741.286608][ T10] worker_thread+0x587/0xd30 [ 1741.286608][ T10] kthread+0x28a/0x350 [ 1741.286608][ T10] ret_from_fork+0x31/0x70 [ 1741.286608][ T10] ret_from_fork_asm+0x1a/0x30 [ 1741.286608][ T10] [ 1741.288922][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1741.288922][ T10] netdev_get_by_index+0x5e/0x80 [ 1741.288922][ T10] fib6_nh_init+0x3d8/0x1580 [ 1741.288922][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1741.288922][ T10] ip6_route_add+0x1c/0x140 [ 1741.288922][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1741.288922][ T10] inet6_addr_add+0x4f8/0xa40 [ 1741.288922][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1741.288922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.288922][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.288922][ T10] netlink_unicast+0x449/0x710 [ 1741.288922][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.288922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.288922][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.288922][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.288922][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.288922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.288922][ T10] [ 1741.291397][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1741.291397][ T10] netdev_get_by_index+0x5e/0x80 [ 1741.291397][ T10] fib6_nh_init+0x3d8/0x1580 [ 1741.291397][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1741.291397][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1741.291397][ T10] ipv6_add_addr+0x411/0x2000 [ 1741.291397][ T10] inet6_addr_add+0x30e/0xa40 [ 1741.291397][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1741.291397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.291397][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.291397][ T10] netlink_unicast+0x449/0x710 [ 1741.291397][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.291397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.291397][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.291397][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.291397][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.291397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.291397][ T10] [ 1741.293746][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1741.293746][ T10] netdev_get_by_index+0x5e/0x80 [ 1741.293746][ T10] fib6_nh_init+0x3d8/0x1580 [ 1741.293746][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1741.293746][ T10] ip6_route_add+0x1c/0x140 [ 1741.293746][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1741.293746][ T10] addrconf_add_dev+0xe2/0x170 [ 1741.293746][ T10] inet6_addr_add+0x12f/0xa40 [ 1741.293746][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1741.293746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.293746][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.293746][ T10] netlink_unicast+0x449/0x710 [ 1741.293746][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.293746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.293746][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.293746][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.293746][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.293746][ T10] [ 1741.296000][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1741.296000][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1741.296000][ T10] ipv6_find_idev+0x102/0x170 [ 1741.296000][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1741.296000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.296000][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.296000][ T10] netlink_unicast+0x449/0x710 [ 1741.296000][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.296000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.296000][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.296000][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.296000][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.296000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.296000][ T10] [ 1741.297789][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1741.297789][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1741.297789][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1741.297789][ T10] ipv6_find_idev+0x102/0x170 [ 1741.297789][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1741.297789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.297789][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.297789][ T10] netlink_unicast+0x449/0x710 [ 1741.297789][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.297789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.297789][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.297789][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.297789][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.297789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.297789][ T10] [ 1748.436063][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1748.436541][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1748.436541][ T1167] dst_init+0x84/0x4a0 [ 1748.436541][ T1167] dst_alloc+0x97/0x150 [ 1748.436541][ T1167] ip6_dst_alloc+0x23/0x90 [ 1748.436541][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1748.436541][ T1167] ip6_pol_route+0x56f/0x840 [ 1748.436541][ T1167] fib6_rule_lookup+0x334/0x630 [ 1748.436541][ T1167] ip6_route_output_flags+0x259/0x480 [ 1748.436541][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1748.436541][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1748.436541][ T1167] netlink_rcv_skb+0x130/0x360 [ 1748.436541][ T1167] netlink_unicast+0x449/0x710 [ 1748.436541][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1748.436541][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1748.436541][ T1167] ___sys_sendmsg+0xee/0x170 [ 1748.436541][ T1167] __sys_sendmsg+0xcd/0x170 [ 1748.436541][ T1167] do_syscall_64+0xc6/0x1e0 [ 1748.436541][ T1167] [ 1748.438788][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1748.438788][ T1167] netdev_get_by_index+0x5e/0x80 [ 1748.438788][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1748.438788][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1748.438788][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1748.438788][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1748.438788][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1748.438788][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1748.438788][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1748.438788][ T1167] addrconf_dad_begin+0x310/0x670 [ 1748.438788][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1748.438788][ T1167] process_one_work+0x84d/0x18a0 [ 1748.438788][ T1167] worker_thread+0x587/0xd30 [ 1748.438788][ T1167] kthread+0x28a/0x350 [ 1748.438788][ T1167] ret_from_fork+0x31/0x70 [ 1748.438788][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1748.438788][ T1167] [ 1748.440985][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1748.440985][ T1167] netdev_get_by_index+0x5e/0x80 [ 1748.440985][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1748.440985][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1748.440985][ T1167] ip6_route_add+0x1c/0x140 [ 1748.440985][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1748.440985][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1748.440985][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1748.440985][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1748.440985][ T1167] netlink_rcv_skb+0x130/0x360 [ 1748.440985][ T1167] netlink_unicast+0x449/0x710 [ 1748.440985][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1748.440985][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1748.440985][ T1167] ___sys_sendmsg+0xee/0x170 [ 1748.440985][ T1167] __sys_sendmsg+0xcd/0x170 [ 1748.440985][ T1167] do_syscall_64+0xc6/0x1e0 [ 1748.440985][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1748.440985][ T1167] [ 1748.443268][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1748.443268][ T1167] netdev_get_by_index+0x5e/0x80 [ 1748.443268][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1748.443268][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1748.443268][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1748.443268][ T1167] ipv6_add_addr+0x411/0x2000 [ 1748.443268][ T1167] inet6_addr_add+0x30e/0xa40 [ 1748.443268][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1748.443268][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1748.443268][ T1167] netlink_rcv_skb+0x130/0x360 [ 1748.443268][ T1167] netlink_unicast+0x449/0x710 [ 1748.443268][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1748.443268][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1748.443268][ T1167] ___sys_sendmsg+0xee/0x170 [ 1748.443268][ T1167] __sys_sendmsg+0xcd/0x170 [ 1748.443268][ T1167] do_syscall_64+0xc6/0x1e0 [ 1748.443268][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1748.443268][ T1167] [ 1748.445531][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1748.445531][ T1167] netdev_get_by_index+0x5e/0x80 [ 1748.445531][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1748.445531][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1748.445531][ T1167] ip6_route_add+0x1c/0x140 [ 1748.445531][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1748.445531][ T1167] addrconf_add_dev+0xe2/0x170 [ 1748.445531][ T1167] inet6_addr_add+0x12f/0xa40 [ 1748.445531][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1748.445531][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1748.445531][ T1167] netlink_rcv_skb+0x130/0x360 [ 1748.445531][ T1167] netlink_unicast+0x449/0x710 [ 1748.445531][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1748.445531][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1748.445531][ T1167] ___sys_sendmsg+0xee/0x170 [ 1748.445531][ T1167] __sys_sendmsg+0xcd/0x170 [ 1748.445531][ T1167] do_syscall_64+0xc6/0x1e0 [ 1748.445531][ T1167] [ 1748.447757][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1748.447757][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1748.447757][ T1167] ipv6_find_idev+0x102/0x170 [ 1748.447757][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1748.447757][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1748.447757][ T1167] netlink_rcv_skb+0x130/0x360 [ 1748.447757][ T1167] netlink_unicast+0x449/0x710 [ 1748.447757][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1748.447757][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1748.447757][ T1167] ___sys_sendmsg+0xee/0x170 [ 1748.447757][ T1167] __sys_sendmsg+0xcd/0x170 [ 1748.447757][ T1167] do_syscall_64+0xc6/0x1e0 [ 1748.447757][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1748.447757][ T1167] [ 1748.449497][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1748.449497][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1748.449497][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1748.449497][ T1167] ipv6_find_idev+0x102/0x170 [ 1748.449497][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1748.449497][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1748.449497][ T1167] netlink_rcv_skb+0x130/0x360 [ 1748.449497][ T1167] netlink_unicast+0x449/0x710 [ 1748.449497][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1748.449497][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1748.449497][ T1167] ___sys_sendmsg+0xee/0x170 [ 1748.449497][ T1167] __sys_sendmsg+0xcd/0x170 [ 1748.449497][ T1167] do_syscall_64+0xc6/0x1e0 [ 1748.449497][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1748.449497][ T1167] [ 1751.553114][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1751.553485][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1751.553485][ T10] netdev_get_by_index+0x5e/0x80 [ 1751.553485][ T10] fib6_nh_init+0x3d8/0x1580 [ 1751.553485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1751.553485][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1751.553485][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1751.553485][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1751.553485][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1751.553485][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1751.553485][ T10] addrconf_dad_begin+0x310/0x670 [ 1751.553485][ T10] addrconf_dad_work+0x10b/0xab0 [ 1751.553485][ T10] process_one_work+0x84d/0x18a0 [ 1751.553485][ T10] worker_thread+0x587/0xd30 [ 1751.553485][ T10] kthread+0x28a/0x350 [ 1751.553485][ T10] ret_from_fork+0x31/0x70 [ 1751.553485][ T10] ret_from_fork_asm+0x1a/0x30 [ 1751.553485][ T10] [ 1751.555413][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1751.555413][ T10] netdev_get_by_index+0x5e/0x80 [ 1751.555413][ T10] fib6_nh_init+0x3d8/0x1580 [ 1751.555413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1751.555413][ T10] ip6_route_add+0x1c/0x140 [ 1751.555413][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1751.555413][ T10] inet6_addr_add+0x4f8/0xa40 [ 1751.555413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1751.555413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.555413][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.555413][ T10] netlink_unicast+0x449/0x710 [ 1751.555413][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.555413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.555413][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.555413][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.555413][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.555413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.555413][ T10] [ 1751.557401][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1751.557401][ T10] netdev_get_by_index+0x5e/0x80 [ 1751.557401][ T10] fib6_nh_init+0x3d8/0x1580 [ 1751.557401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1751.557401][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1751.557401][ T10] ipv6_add_addr+0x411/0x2000 [ 1751.557401][ T10] inet6_addr_add+0x30e/0xa40 [ 1751.557401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1751.557401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.557401][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.557401][ T10] netlink_unicast+0x449/0x710 [ 1751.557401][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.557401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.557401][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.557401][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.557401][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.557401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.557401][ T10] [ 1751.559386][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1751.559386][ T10] netdev_get_by_index+0x5e/0x80 [ 1751.559386][ T10] fib6_nh_init+0x3d8/0x1580 [ 1751.559386][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1751.559386][ T10] ip6_route_add+0x1c/0x140 [ 1751.559386][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1751.559386][ T10] addrconf_add_dev+0xe2/0x170 [ 1751.559386][ T10] inet6_addr_add+0x12f/0xa40 [ 1751.559386][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1751.559386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.559386][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.559386][ T10] netlink_unicast+0x449/0x710 [ 1751.559386][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.559386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.559386][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.559386][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.559386][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.559386][ T10] [ 1751.561358][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1751.561358][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1751.561358][ T10] ipv6_find_idev+0x102/0x170 [ 1751.561358][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1751.561358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.561358][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.561358][ T10] netlink_unicast+0x449/0x710 [ 1751.561358][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.561358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.561358][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.561358][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.561358][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.561358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.561358][ T10] [ 1751.562885][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1751.562885][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1751.562885][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1751.562885][ T10] ipv6_find_idev+0x102/0x170 [ 1751.562885][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1751.562885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.562885][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.562885][ T10] netlink_unicast+0x449/0x710 [ 1751.562885][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.562885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.562885][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.562885][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.562885][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.562885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.562885][ T10] [ 1751.564568][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1751.564811][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1751.564811][ T10] netdev_get_by_index+0x5e/0x80 [ 1751.564811][ T10] fib6_nh_init+0x3d8/0x1580 [ 1751.564811][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1751.564811][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1751.564811][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1751.564811][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1751.564811][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1751.564811][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1751.564811][ T10] addrconf_dad_begin+0x310/0x670 [ 1751.564811][ T10] addrconf_dad_work+0x10b/0xab0 [ 1751.564811][ T10] process_one_work+0x84d/0x18a0 [ 1751.564811][ T10] worker_thread+0x587/0xd30 [ 1751.564811][ T10] kthread+0x28a/0x350 [ 1751.564811][ T10] ret_from_fork+0x31/0x70 [ 1751.564811][ T10] ret_from_fork_asm+0x1a/0x30 [ 1751.564811][ T10] [ 1751.566704][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1751.566704][ T10] netdev_get_by_index+0x5e/0x80 [ 1751.566704][ T10] fib6_nh_init+0x3d8/0x1580 [ 1751.566704][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1751.566704][ T10] ip6_route_add+0x1c/0x140 [ 1751.566704][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1751.566704][ T10] inet6_addr_add+0x4f8/0xa40 [ 1751.566704][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1751.566704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.566704][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.566704][ T10] netlink_unicast+0x449/0x710 [ 1751.566704][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.566704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.566704][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.566704][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.566704][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.566704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.566704][ T10] [ 1751.568681][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1751.568681][ T10] netdev_get_by_index+0x5e/0x80 [ 1751.568681][ T10] fib6_nh_init+0x3d8/0x1580 [ 1751.568681][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1751.568681][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1751.568681][ T10] ipv6_add_addr+0x411/0x2000 [ 1751.568681][ T10] inet6_addr_add+0x30e/0xa40 [ 1751.568681][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1751.568681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.568681][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.568681][ T10] netlink_unicast+0x449/0x710 [ 1751.568681][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.568681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.568681][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.568681][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.568681][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.568681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.568681][ T10] [ 1751.570661][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1751.570661][ T10] netdev_get_by_index+0x5e/0x80 [ 1751.570661][ T10] fib6_nh_init+0x3d8/0x1580 [ 1751.570661][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1751.570661][ T10] ip6_route_add+0x1c/0x140 [ 1751.570661][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1751.570661][ T10] addrconf_add_dev+0xe2/0x170 [ 1751.570661][ T10] inet6_addr_add+0x12f/0xa40 [ 1751.570661][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1751.570661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.570661][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.570661][ T10] netlink_unicast+0x449/0x710 [ 1751.570661][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.570661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.570661][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.570661][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.570661][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.570661][ T10] [ 1751.572603][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1751.572603][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1751.572603][ T10] ipv6_find_idev+0x102/0x170 [ 1751.572603][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1751.572603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.572603][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.572603][ T10] netlink_unicast+0x449/0x710 [ 1751.572603][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.572603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.572603][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.572603][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.572603][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.572603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.572603][ T10] [ 1751.574154][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1751.574154][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1751.574154][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1751.574154][ T10] ipv6_find_idev+0x102/0x170 [ 1751.574154][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1751.574154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.574154][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.574154][ T10] netlink_unicast+0x449/0x710 [ 1751.574154][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.574154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.574154][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.574154][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.574154][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.574154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.574154][ T10] [ 1751.575860][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1751.576116][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1751.576116][ T10] netdev_get_by_index+0x5e/0x80 [ 1751.576116][ T10] fib6_nh_init+0x3d8/0x1580 [ 1751.576116][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1751.576116][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1751.576116][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1751.576116][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1751.576116][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1751.576116][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1751.576116][ T10] addrconf_dad_begin+0x310/0x670 [ 1751.576116][ T10] addrconf_dad_work+0x10b/0xab0 [ 1751.576116][ T10] process_one_work+0x84d/0x18a0 [ 1751.576116][ T10] worker_thread+0x587/0xd30 [ 1751.576116][ T10] kthread+0x28a/0x350 [ 1751.576116][ T10] ret_from_fork+0x31/0x70 [ 1751.576116][ T10] ret_from_fork_asm+0x1a/0x30 [ 1751.576116][ T10] [ 1751.578038][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1751.578038][ T10] netdev_get_by_index+0x5e/0x80 [ 1751.578038][ T10] fib6_nh_init+0x3d8/0x1580 [ 1751.578038][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1751.578038][ T10] ip6_route_add+0x1c/0x140 [ 1751.578038][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1751.578038][ T10] inet6_addr_add+0x4f8/0xa40 [ 1751.578038][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1751.578038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.578038][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.578038][ T10] netlink_unicast+0x449/0x710 [ 1751.578038][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.578038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.578038][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.578038][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.578038][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.578038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.578038][ T10] [ 1751.580164][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1751.580164][ T10] netdev_get_by_index+0x5e/0x80 [ 1751.580164][ T10] fib6_nh_init+0x3d8/0x1580 [ 1751.580164][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1751.580164][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1751.580164][ T10] ipv6_add_addr+0x411/0x2000 [ 1751.580164][ T10] inet6_addr_add+0x30e/0xa40 [ 1751.580164][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1751.580164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.580164][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.580164][ T10] netlink_unicast+0x449/0x710 [ 1751.580164][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.580164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.580164][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.580164][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.580164][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.580164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.580164][ T10] [ 1751.583108][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1751.583108][ T10] netdev_get_by_index+0x5e/0x80 [ 1751.583108][ T10] fib6_nh_init+0x3d8/0x1580 [ 1751.583108][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1751.583108][ T10] ip6_route_add+0x1c/0x140 [ 1751.583108][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1751.583108][ T10] addrconf_add_dev+0xe2/0x170 [ 1751.583108][ T10] inet6_addr_add+0x12f/0xa40 [ 1751.583108][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1751.583108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.583108][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.583108][ T10] netlink_unicast+0x449/0x710 [ 1751.583108][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.583108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.583108][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.583108][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.583108][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.583108][ T10] [ 1751.586318][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1751.586318][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1751.586318][ T10] ipv6_find_idev+0x102/0x170 [ 1751.586318][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1751.586318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.586318][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.586318][ T10] netlink_unicast+0x449/0x710 [ 1751.586318][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.586318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.586318][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.586318][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.586318][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.586318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.586318][ T10] [ 1751.588765][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1751.588765][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1751.588765][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1751.588765][ T10] ipv6_find_idev+0x102/0x170 [ 1751.588765][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1751.588765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.588765][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.588765][ T10] netlink_unicast+0x449/0x710 [ 1751.588765][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.588765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.588765][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.588765][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.588765][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.588765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.588765][ T10] [ 1751.591666][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1751.592051][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1751.592051][ T10] netdev_get_by_index+0x5e/0x80 [ 1751.592051][ T10] fib6_nh_init+0x3d8/0x1580 [ 1751.592051][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1751.592051][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1751.592051][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1751.592051][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1751.592051][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1751.592051][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1751.592051][ T10] addrconf_dad_begin+0x310/0x670 [ 1751.592051][ T10] addrconf_dad_work+0x10b/0xab0 [ 1751.592051][ T10] process_one_work+0x84d/0x18a0 [ 1751.592051][ T10] worker_thread+0x587/0xd30 [ 1751.592051][ T10] kthread+0x28a/0x350 [ 1751.592051][ T10] ret_from_fork+0x31/0x70 [ 1751.592051][ T10] ret_from_fork_asm+0x1a/0x30 [ 1751.592051][ T10] [ 1751.595243][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1751.595243][ T10] netdev_get_by_index+0x5e/0x80 [ 1751.595243][ T10] fib6_nh_init+0x3d8/0x1580 [ 1751.595243][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1751.595243][ T10] ip6_route_add+0x1c/0x140 [ 1751.595243][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1751.595243][ T10] inet6_addr_add+0x4f8/0xa40 [ 1751.595243][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1751.595243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.595243][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.595243][ T10] netlink_unicast+0x449/0x710 [ 1751.595243][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.595243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.595243][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.595243][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.595243][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.595243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.595243][ T10] [ 1751.598619][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1751.598619][ T10] netdev_get_by_index+0x5e/0x80 [ 1751.598619][ T10] fib6_nh_init+0x3d8/0x1580 [ 1751.598619][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1751.598619][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1751.598619][ T10] ipv6_add_addr+0x411/0x2000 [ 1751.598619][ T10] inet6_addr_add+0x30e/0xa40 [ 1751.598619][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1751.598619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.598619][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.598619][ T10] netlink_unicast+0x449/0x710 [ 1751.598619][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.598619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.598619][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.598619][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.598619][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.598619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.598619][ T10] [ 1751.602128][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1751.602128][ T10] netdev_get_by_index+0x5e/0x80 [ 1751.602128][ T10] fib6_nh_init+0x3d8/0x1580 [ 1751.602128][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1751.602128][ T10] ip6_route_add+0x1c/0x140 [ 1751.602128][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1751.602128][ T10] addrconf_add_dev+0xe2/0x170 [ 1751.602128][ T10] inet6_addr_add+0x12f/0xa40 [ 1751.602128][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1751.602128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.602128][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.602128][ T10] netlink_unicast+0x449/0x710 [ 1751.602128][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.602128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.602128][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.602128][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.602128][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.602128][ T10] [ 1751.605577][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1751.605577][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1751.605577][ T10] ipv6_find_idev+0x102/0x170 [ 1751.605577][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1751.605577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.605577][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.605577][ T10] netlink_unicast+0x449/0x710 [ 1751.605577][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.605577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.605577][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.605577][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.605577][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.605577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.605577][ T10] [ 1751.608142][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1751.608142][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1751.608142][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1751.608142][ T10] ipv6_find_idev+0x102/0x170 [ 1751.608142][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1751.608142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.608142][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.608142][ T10] netlink_unicast+0x449/0x710 [ 1751.608142][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.608142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.608142][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.608142][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.608142][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.608142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.608142][ T10] [ 1758.689115][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1758.689593][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1758.689593][ T1167] dst_init+0x84/0x4a0 [ 1758.689593][ T1167] dst_alloc+0x97/0x150 [ 1758.689593][ T1167] ip6_dst_alloc+0x23/0x90 [ 1758.689593][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1758.689593][ T1167] ip6_pol_route+0x56f/0x840 [ 1758.689593][ T1167] fib6_rule_lookup+0x334/0x630 [ 1758.689593][ T1167] ip6_route_output_flags+0x259/0x480 [ 1758.689593][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1758.689593][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1758.689593][ T1167] netlink_rcv_skb+0x130/0x360 [ 1758.689593][ T1167] netlink_unicast+0x449/0x710 [ 1758.689593][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1758.689593][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1758.689593][ T1167] ___sys_sendmsg+0xee/0x170 [ 1758.689593][ T1167] __sys_sendmsg+0xcd/0x170 [ 1758.689593][ T1167] do_syscall_64+0xc6/0x1e0 [ 1758.689593][ T1167] [ 1758.691832][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1758.691832][ T1167] netdev_get_by_index+0x5e/0x80 [ 1758.691832][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1758.691832][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1758.691832][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1758.691832][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1758.691832][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1758.691832][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1758.691832][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1758.691832][ T1167] addrconf_dad_begin+0x310/0x670 [ 1758.691832][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1758.691832][ T1167] process_one_work+0x84d/0x18a0 [ 1758.691832][ T1167] worker_thread+0x587/0xd30 [ 1758.691832][ T1167] kthread+0x28a/0x350 [ 1758.691832][ T1167] ret_from_fork+0x31/0x70 [ 1758.691832][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1758.691832][ T1167] [ 1758.693996][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1758.693996][ T1167] netdev_get_by_index+0x5e/0x80 [ 1758.693996][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1758.693996][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1758.693996][ T1167] ip6_route_add+0x1c/0x140 [ 1758.693996][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1758.693996][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1758.693996][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1758.693996][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1758.693996][ T1167] netlink_rcv_skb+0x130/0x360 [ 1758.693996][ T1167] netlink_unicast+0x449/0x710 [ 1758.693996][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1758.693996][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1758.693996][ T1167] ___sys_sendmsg+0xee/0x170 [ 1758.693996][ T1167] __sys_sendmsg+0xcd/0x170 [ 1758.693996][ T1167] do_syscall_64+0xc6/0x1e0 [ 1758.693996][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1758.693996][ T1167] [ 1758.696278][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1758.696278][ T1167] netdev_get_by_index+0x5e/0x80 [ 1758.696278][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1758.696278][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1758.696278][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1758.696278][ T1167] ipv6_add_addr+0x411/0x2000 [ 1758.696278][ T1167] inet6_addr_add+0x30e/0xa40 [ 1758.696278][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1758.696278][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1758.696278][ T1167] netlink_rcv_skb+0x130/0x360 [ 1758.696278][ T1167] netlink_unicast+0x449/0x710 [ 1758.696278][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1758.696278][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1758.696278][ T1167] ___sys_sendmsg+0xee/0x170 [ 1758.696278][ T1167] __sys_sendmsg+0xcd/0x170 [ 1758.696278][ T1167] do_syscall_64+0xc6/0x1e0 [ 1758.696278][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1758.696278][ T1167] [ 1758.698545][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1758.698545][ T1167] netdev_get_by_index+0x5e/0x80 [ 1758.698545][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1758.698545][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1758.698545][ T1167] ip6_route_add+0x1c/0x140 [ 1758.698545][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1758.698545][ T1167] addrconf_add_dev+0xe2/0x170 [ 1758.698545][ T1167] inet6_addr_add+0x12f/0xa40 [ 1758.698545][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1758.698545][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1758.698545][ T1167] netlink_rcv_skb+0x130/0x360 [ 1758.698545][ T1167] netlink_unicast+0x449/0x710 [ 1758.698545][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1758.698545][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1758.698545][ T1167] ___sys_sendmsg+0xee/0x170 [ 1758.698545][ T1167] __sys_sendmsg+0xcd/0x170 [ 1758.698545][ T1167] do_syscall_64+0xc6/0x1e0 [ 1758.698545][ T1167] [ 1758.700843][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1758.700843][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1758.700843][ T1167] ipv6_find_idev+0x102/0x170 [ 1758.700843][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1758.700843][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1758.700843][ T1167] netlink_rcv_skb+0x130/0x360 [ 1758.700843][ T1167] netlink_unicast+0x449/0x710 [ 1758.700843][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1758.700843][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1758.700843][ T1167] ___sys_sendmsg+0xee/0x170 [ 1758.700843][ T1167] __sys_sendmsg+0xcd/0x170 [ 1758.700843][ T1167] do_syscall_64+0xc6/0x1e0 [ 1758.700843][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1758.700843][ T1167] [ 1758.702733][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1758.702733][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1758.702733][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1758.702733][ T1167] ipv6_find_idev+0x102/0x170 [ 1758.702733][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1758.702733][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1758.702733][ T1167] netlink_rcv_skb+0x130/0x360 [ 1758.702733][ T1167] netlink_unicast+0x449/0x710 [ 1758.702733][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1758.702733][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1758.702733][ T1167] ___sys_sendmsg+0xee/0x170 [ 1758.702733][ T1167] __sys_sendmsg+0xcd/0x170 [ 1758.702733][ T1167] do_syscall_64+0xc6/0x1e0 [ 1758.702733][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1758.702733][ T1167] [ 1761.865084][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1761.865461][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1761.865461][ T10] netdev_get_by_index+0x5e/0x80 [ 1761.865461][ T10] fib6_nh_init+0x3d8/0x1580 [ 1761.865461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1761.865461][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1761.865461][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1761.865461][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1761.865461][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1761.865461][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1761.865461][ T10] addrconf_dad_begin+0x310/0x670 [ 1761.865461][ T10] addrconf_dad_work+0x10b/0xab0 [ 1761.865461][ T10] process_one_work+0x84d/0x18a0 [ 1761.865461][ T10] worker_thread+0x587/0xd30 [ 1761.865461][ T10] kthread+0x28a/0x350 [ 1761.865461][ T10] ret_from_fork+0x31/0x70 [ 1761.865461][ T10] ret_from_fork_asm+0x1a/0x30 [ 1761.865461][ T10] [ 1761.867385][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1761.867385][ T10] netdev_get_by_index+0x5e/0x80 [ 1761.867385][ T10] fib6_nh_init+0x3d8/0x1580 [ 1761.867385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1761.867385][ T10] ip6_route_add+0x1c/0x140 [ 1761.867385][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1761.867385][ T10] inet6_addr_add+0x4f8/0xa40 [ 1761.867385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1761.867385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.867385][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.867385][ T10] netlink_unicast+0x449/0x710 [ 1761.867385][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.867385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.867385][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.867385][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.867385][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.867385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.867385][ T10] [ 1761.869357][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1761.869357][ T10] netdev_get_by_index+0x5e/0x80 [ 1761.869357][ T10] fib6_nh_init+0x3d8/0x1580 [ 1761.869357][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1761.869357][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1761.869357][ T10] ipv6_add_addr+0x411/0x2000 [ 1761.869357][ T10] inet6_addr_add+0x30e/0xa40 [ 1761.869357][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1761.869357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.869357][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.869357][ T10] netlink_unicast+0x449/0x710 [ 1761.869357][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.869357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.869357][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.869357][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.869357][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.869357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.869357][ T10] [ 1761.871348][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1761.871348][ T10] netdev_get_by_index+0x5e/0x80 [ 1761.871348][ T10] fib6_nh_init+0x3d8/0x1580 [ 1761.871348][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1761.871348][ T10] ip6_route_add+0x1c/0x140 [ 1761.871348][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1761.871348][ T10] addrconf_add_dev+0xe2/0x170 [ 1761.871348][ T10] inet6_addr_add+0x12f/0xa40 [ 1761.871348][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1761.871348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.871348][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.871348][ T10] netlink_unicast+0x449/0x710 [ 1761.871348][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.871348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.871348][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.871348][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.871348][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.871348][ T10] [ 1761.873309][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1761.873309][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1761.873309][ T10] ipv6_find_idev+0x102/0x170 [ 1761.873309][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1761.873309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.873309][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.873309][ T10] netlink_unicast+0x449/0x710 [ 1761.873309][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.873309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.873309][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.873309][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.873309][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.873309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.873309][ T10] [ 1761.874845][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1761.874845][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1761.874845][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1761.874845][ T10] ipv6_find_idev+0x102/0x170 [ 1761.874845][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1761.874845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.874845][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.874845][ T10] netlink_unicast+0x449/0x710 [ 1761.874845][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.874845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.874845][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.874845][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.874845][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.874845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.874845][ T10] [ 1761.876526][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1761.876770][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1761.876770][ T10] netdev_get_by_index+0x5e/0x80 [ 1761.876770][ T10] fib6_nh_init+0x3d8/0x1580 [ 1761.876770][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1761.876770][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1761.876770][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1761.876770][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1761.876770][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1761.876770][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1761.876770][ T10] addrconf_dad_begin+0x310/0x670 [ 1761.876770][ T10] addrconf_dad_work+0x10b/0xab0 [ 1761.876770][ T10] process_one_work+0x84d/0x18a0 [ 1761.876770][ T10] worker_thread+0x587/0xd30 [ 1761.876770][ T10] kthread+0x28a/0x350 [ 1761.876770][ T10] ret_from_fork+0x31/0x70 [ 1761.876770][ T10] ret_from_fork_asm+0x1a/0x30 [ 1761.876770][ T10] [ 1761.878706][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1761.878706][ T10] netdev_get_by_index+0x5e/0x80 [ 1761.878706][ T10] fib6_nh_init+0x3d8/0x1580 [ 1761.878706][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1761.878706][ T10] ip6_route_add+0x1c/0x140 [ 1761.878706][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1761.878706][ T10] inet6_addr_add+0x4f8/0xa40 [ 1761.878706][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1761.878706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.878706][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.878706][ T10] netlink_unicast+0x449/0x710 [ 1761.878706][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.878706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.878706][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.878706][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.878706][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.878706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.878706][ T10] [ 1761.880695][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1761.880695][ T10] netdev_get_by_index+0x5e/0x80 [ 1761.880695][ T10] fib6_nh_init+0x3d8/0x1580 [ 1761.880695][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1761.880695][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1761.880695][ T10] ipv6_add_addr+0x411/0x2000 [ 1761.880695][ T10] inet6_addr_add+0x30e/0xa40 [ 1761.880695][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1761.880695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.880695][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.880695][ T10] netlink_unicast+0x449/0x710 [ 1761.880695][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.880695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.880695][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.880695][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.880695][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.880695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.880695][ T10] [ 1761.882678][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1761.882678][ T10] netdev_get_by_index+0x5e/0x80 [ 1761.882678][ T10] fib6_nh_init+0x3d8/0x1580 [ 1761.882678][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1761.882678][ T10] ip6_route_add+0x1c/0x140 [ 1761.882678][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1761.882678][ T10] addrconf_add_dev+0xe2/0x170 [ 1761.882678][ T10] inet6_addr_add+0x12f/0xa40 [ 1761.882678][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1761.882678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.882678][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.882678][ T10] netlink_unicast+0x449/0x710 [ 1761.882678][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.882678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.882678][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.882678][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.882678][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.882678][ T10] [ 1761.884675][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1761.884675][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1761.884675][ T10] ipv6_find_idev+0x102/0x170 [ 1761.884675][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1761.884675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.884675][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.884675][ T10] netlink_unicast+0x449/0x710 [ 1761.884675][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.884675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.884675][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.884675][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.884675][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.884675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.884675][ T10] [ 1761.886219][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1761.886219][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1761.886219][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1761.886219][ T10] ipv6_find_idev+0x102/0x170 [ 1761.886219][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1761.886219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.886219][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.886219][ T10] netlink_unicast+0x449/0x710 [ 1761.886219][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.886219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.886219][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.886219][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.886219][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.886219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.886219][ T10] [ 1761.887905][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1761.888173][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1761.888173][ T10] netdev_get_by_index+0x5e/0x80 [ 1761.888173][ T10] fib6_nh_init+0x3d8/0x1580 [ 1761.888173][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1761.888173][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1761.888173][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1761.888173][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1761.888173][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1761.888173][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1761.888173][ T10] addrconf_dad_begin+0x310/0x670 [ 1761.888173][ T10] addrconf_dad_work+0x10b/0xab0 [ 1761.888173][ T10] process_one_work+0x84d/0x18a0 [ 1761.888173][ T10] worker_thread+0x587/0xd30 [ 1761.888173][ T10] kthread+0x28a/0x350 [ 1761.888173][ T10] ret_from_fork+0x31/0x70 [ 1761.888173][ T10] ret_from_fork_asm+0x1a/0x30 [ 1761.888173][ T10] [ 1761.890075][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1761.890075][ T10] netdev_get_by_index+0x5e/0x80 [ 1761.890075][ T10] fib6_nh_init+0x3d8/0x1580 [ 1761.890075][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1761.890075][ T10] ip6_route_add+0x1c/0x140 [ 1761.890075][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1761.890075][ T10] inet6_addr_add+0x4f8/0xa40 [ 1761.890075][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1761.890075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.890075][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.890075][ T10] netlink_unicast+0x449/0x710 [ 1761.890075][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.890075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.890075][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.890075][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.890075][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.890075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.890075][ T10] [ 1761.892723][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1761.892723][ T10] netdev_get_by_index+0x5e/0x80 [ 1761.892723][ T10] fib6_nh_init+0x3d8/0x1580 [ 1761.892723][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1761.892723][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1761.892723][ T10] ipv6_add_addr+0x411/0x2000 [ 1761.892723][ T10] inet6_addr_add+0x30e/0xa40 [ 1761.892723][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1761.892723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.892723][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.892723][ T10] netlink_unicast+0x449/0x710 [ 1761.892723][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.892723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.892723][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.892723][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.892723][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.892723][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.892723][ T10] [ 1761.896107][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1761.896107][ T10] netdev_get_by_index+0x5e/0x80 [ 1761.896107][ T10] fib6_nh_init+0x3d8/0x1580 [ 1761.896107][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1761.896107][ T10] ip6_route_add+0x1c/0x140 [ 1761.896107][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1761.896107][ T10] addrconf_add_dev+0xe2/0x170 [ 1761.896107][ T10] inet6_addr_add+0x12f/0xa40 [ 1761.896107][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1761.896107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.896107][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.896107][ T10] netlink_unicast+0x449/0x710 [ 1761.896107][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.896107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.896107][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.896107][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.896107][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.896107][ T10] [ 1761.899558][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1761.899558][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1761.899558][ T10] ipv6_find_idev+0x102/0x170 [ 1761.899558][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1761.899558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.899558][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.899558][ T10] netlink_unicast+0x449/0x710 [ 1761.899558][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.899558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.899558][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.899558][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.899558][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.899558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.899558][ T10] [ 1761.902366][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1761.902366][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1761.902366][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1761.902366][ T10] ipv6_find_idev+0x102/0x170 [ 1761.902366][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1761.902366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.902366][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.902366][ T10] netlink_unicast+0x449/0x710 [ 1761.902366][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.902366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.902366][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.902366][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.902366][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.902366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.902366][ T10] [ 1761.905242][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1761.905628][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1761.905628][ T10] netdev_get_by_index+0x5e/0x80 [ 1761.905628][ T10] fib6_nh_init+0x3d8/0x1580 [ 1761.905628][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1761.905628][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1761.905628][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1761.905628][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1761.905628][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1761.905628][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1761.905628][ T10] addrconf_dad_begin+0x310/0x670 [ 1761.905628][ T10] addrconf_dad_work+0x10b/0xab0 [ 1761.905628][ T10] process_one_work+0x84d/0x18a0 [ 1761.905628][ T10] worker_thread+0x587/0xd30 [ 1761.905628][ T10] kthread+0x28a/0x350 [ 1761.905628][ T10] ret_from_fork+0x31/0x70 [ 1761.905628][ T10] ret_from_fork_asm+0x1a/0x30 [ 1761.905628][ T10] [ 1761.908996][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1761.908996][ T10] netdev_get_by_index+0x5e/0x80 [ 1761.908996][ T10] fib6_nh_init+0x3d8/0x1580 [ 1761.908996][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1761.908996][ T10] ip6_route_add+0x1c/0x140 [ 1761.908996][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1761.908996][ T10] inet6_addr_add+0x4f8/0xa40 [ 1761.908996][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1761.908996][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.908996][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.908996][ T10] netlink_unicast+0x449/0x710 [ 1761.908996][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.908996][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.908996][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.908996][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.908996][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.908996][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.908996][ T10] [ 1761.912415][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1761.912415][ T10] netdev_get_by_index+0x5e/0x80 [ 1761.912415][ T10] fib6_nh_init+0x3d8/0x1580 [ 1761.912415][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1761.912415][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1761.912415][ T10] ipv6_add_addr+0x411/0x2000 [ 1761.912415][ T10] inet6_addr_add+0x30e/0xa40 [ 1761.912415][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1761.912415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.912415][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.912415][ T10] netlink_unicast+0x449/0x710 [ 1761.912415][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.912415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.912415][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.912415][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.912415][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.912415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.912415][ T10] [ 1761.915930][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1761.915930][ T10] netdev_get_by_index+0x5e/0x80 [ 1761.915930][ T10] fib6_nh_init+0x3d8/0x1580 [ 1761.915930][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1761.915930][ T10] ip6_route_add+0x1c/0x140 [ 1761.915930][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1761.915930][ T10] addrconf_add_dev+0xe2/0x170 [ 1761.915930][ T10] inet6_addr_add+0x12f/0xa40 [ 1761.915930][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1761.915930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.915930][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.915930][ T10] netlink_unicast+0x449/0x710 [ 1761.915930][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.915930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.915930][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.915930][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.915930][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.915930][ T10] [ 1761.919190][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1761.919190][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1761.919190][ T10] ipv6_find_idev+0x102/0x170 [ 1761.919190][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1761.919190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.919190][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.919190][ T10] netlink_unicast+0x449/0x710 [ 1761.919190][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.919190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.919190][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.919190][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.919190][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.919190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.919190][ T10] [ 1761.921892][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1761.921892][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1761.921892][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1761.921892][ T10] ipv6_find_idev+0x102/0x170 [ 1761.921892][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1761.921892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.921892][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.921892][ T10] netlink_unicast+0x449/0x710 [ 1761.921892][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.921892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.921892][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.921892][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.921892][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.921892][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.921892][ T10] [ 1768.945078][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1768.945639][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1768.945639][ T1167] dst_init+0x84/0x4a0 [ 1768.945639][ T1167] dst_alloc+0x97/0x150 [ 1768.945639][ T1167] ip6_dst_alloc+0x23/0x90 [ 1768.945639][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1768.945639][ T1167] ip6_pol_route+0x56f/0x840 [ 1768.945639][ T1167] fib6_rule_lookup+0x334/0x630 [ 1768.945639][ T1167] ip6_route_output_flags+0x259/0x480 [ 1768.945639][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1768.945639][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1768.945639][ T1167] netlink_rcv_skb+0x130/0x360 [ 1768.945639][ T1167] netlink_unicast+0x449/0x710 [ 1768.945639][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1768.945639][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1768.945639][ T1167] ___sys_sendmsg+0xee/0x170 [ 1768.945639][ T1167] __sys_sendmsg+0xcd/0x170 [ 1768.945639][ T1167] do_syscall_64+0xc6/0x1e0 [ 1768.945639][ T1167] [ 1768.948002][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1768.948002][ T1167] netdev_get_by_index+0x5e/0x80 [ 1768.948002][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1768.948002][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1768.948002][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1768.948002][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1768.948002][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1768.948002][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1768.948002][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1768.948002][ T1167] addrconf_dad_begin+0x310/0x670 [ 1768.948002][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1768.948002][ T1167] process_one_work+0x84d/0x18a0 [ 1768.948002][ T1167] worker_thread+0x587/0xd30 [ 1768.948002][ T1167] kthread+0x28a/0x350 [ 1768.948002][ T1167] ret_from_fork+0x31/0x70 [ 1768.948002][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1768.948002][ T1167] [ 1768.950290][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1768.950290][ T1167] netdev_get_by_index+0x5e/0x80 [ 1768.950290][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1768.950290][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1768.950290][ T1167] ip6_route_add+0x1c/0x140 [ 1768.950290][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1768.950290][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1768.950290][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1768.950290][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1768.950290][ T1167] netlink_rcv_skb+0x130/0x360 [ 1768.950290][ T1167] netlink_unicast+0x449/0x710 [ 1768.950290][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1768.950290][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1768.950290][ T1167] ___sys_sendmsg+0xee/0x170 [ 1768.950290][ T1167] __sys_sendmsg+0xcd/0x170 [ 1768.950290][ T1167] do_syscall_64+0xc6/0x1e0 [ 1768.950290][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1768.950290][ T1167] [ 1768.952655][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1768.952655][ T1167] netdev_get_by_index+0x5e/0x80 [ 1768.952655][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1768.952655][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1768.952655][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1768.952655][ T1167] ipv6_add_addr+0x411/0x2000 [ 1768.952655][ T1167] inet6_addr_add+0x30e/0xa40 [ 1768.952655][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1768.952655][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1768.952655][ T1167] netlink_rcv_skb+0x130/0x360 [ 1768.952655][ T1167] netlink_unicast+0x449/0x710 [ 1768.952655][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1768.952655][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1768.952655][ T1167] ___sys_sendmsg+0xee/0x170 [ 1768.952655][ T1167] __sys_sendmsg+0xcd/0x170 [ 1768.952655][ T1167] do_syscall_64+0xc6/0x1e0 [ 1768.952655][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1768.952655][ T1167] [ 1768.955022][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1768.955022][ T1167] netdev_get_by_index+0x5e/0x80 [ 1768.955022][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1768.955022][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1768.955022][ T1167] ip6_route_add+0x1c/0x140 [ 1768.955022][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1768.955022][ T1167] addrconf_add_dev+0xe2/0x170 [ 1768.955022][ T1167] inet6_addr_add+0x12f/0xa40 [ 1768.955022][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1768.955022][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1768.955022][ T1167] netlink_rcv_skb+0x130/0x360 [ 1768.955022][ T1167] netlink_unicast+0x449/0x710 [ 1768.955022][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1768.955022][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1768.955022][ T1167] ___sys_sendmsg+0xee/0x170 [ 1768.955022][ T1167] __sys_sendmsg+0xcd/0x170 [ 1768.955022][ T1167] do_syscall_64+0xc6/0x1e0 [ 1768.955022][ T1167] [ 1768.957381][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1768.957381][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1768.957381][ T1167] ipv6_find_idev+0x102/0x170 [ 1768.957381][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1768.957381][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1768.957381][ T1167] netlink_rcv_skb+0x130/0x360 [ 1768.957381][ T1167] netlink_unicast+0x449/0x710 [ 1768.957381][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1768.957381][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1768.957381][ T1167] ___sys_sendmsg+0xee/0x170 [ 1768.957381][ T1167] __sys_sendmsg+0xcd/0x170 [ 1768.957381][ T1167] do_syscall_64+0xc6/0x1e0 [ 1768.957381][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1768.957381][ T1167] [ 1768.959755][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1768.959755][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1768.959755][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1768.959755][ T1167] ipv6_find_idev+0x102/0x170 [ 1768.959755][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1768.959755][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1768.959755][ T1167] netlink_rcv_skb+0x130/0x360 [ 1768.959755][ T1167] netlink_unicast+0x449/0x710 [ 1768.959755][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1768.959755][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1768.959755][ T1167] ___sys_sendmsg+0xee/0x170 [ 1768.959755][ T1167] __sys_sendmsg+0xcd/0x170 [ 1768.959755][ T1167] do_syscall_64+0xc6/0x1e0 [ 1768.959755][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1768.959755][ T1167] [ 1772.177107][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1772.177508][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1772.177508][ T10] netdev_get_by_index+0x5e/0x80 [ 1772.177508][ T10] fib6_nh_init+0x3d8/0x1580 [ 1772.177508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1772.177508][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1772.177508][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1772.177508][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1772.177508][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1772.177508][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1772.177508][ T10] addrconf_dad_begin+0x310/0x670 [ 1772.177508][ T10] addrconf_dad_work+0x10b/0xab0 [ 1772.177508][ T10] process_one_work+0x84d/0x18a0 [ 1772.177508][ T10] worker_thread+0x587/0xd30 [ 1772.177508][ T10] kthread+0x28a/0x350 [ 1772.177508][ T10] ret_from_fork+0x31/0x70 [ 1772.177508][ T10] ret_from_fork_asm+0x1a/0x30 [ 1772.177508][ T10] [ 1772.179548][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1772.179548][ T10] netdev_get_by_index+0x5e/0x80 [ 1772.179548][ T10] fib6_nh_init+0x3d8/0x1580 [ 1772.179548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1772.179548][ T10] ip6_route_add+0x1c/0x140 [ 1772.179548][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1772.179548][ T10] inet6_addr_add+0x4f8/0xa40 [ 1772.179548][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1772.179548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.179548][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.179548][ T10] netlink_unicast+0x449/0x710 [ 1772.179548][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.179548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.179548][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.179548][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.179548][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.179548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.179548][ T10] [ 1772.181667][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1772.181667][ T10] netdev_get_by_index+0x5e/0x80 [ 1772.181667][ T10] fib6_nh_init+0x3d8/0x1580 [ 1772.181667][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1772.181667][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1772.181667][ T10] ipv6_add_addr+0x411/0x2000 [ 1772.181667][ T10] inet6_addr_add+0x30e/0xa40 [ 1772.181667][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1772.181667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.181667][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.181667][ T10] netlink_unicast+0x449/0x710 [ 1772.181667][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.181667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.181667][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.181667][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.181667][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.181667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.181667][ T10] [ 1772.183750][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1772.183750][ T10] netdev_get_by_index+0x5e/0x80 [ 1772.183750][ T10] fib6_nh_init+0x3d8/0x1580 [ 1772.183750][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1772.183750][ T10] ip6_route_add+0x1c/0x140 [ 1772.183750][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1772.183750][ T10] addrconf_add_dev+0xe2/0x170 [ 1772.183750][ T10] inet6_addr_add+0x12f/0xa40 [ 1772.183750][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1772.183750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.183750][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.183750][ T10] netlink_unicast+0x449/0x710 [ 1772.183750][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.183750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.183750][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.183750][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.183750][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.183750][ T10] [ 1772.185828][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1772.185828][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1772.185828][ T10] ipv6_find_idev+0x102/0x170 [ 1772.185828][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1772.185828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.185828][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.185828][ T10] netlink_unicast+0x449/0x710 [ 1772.185828][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.185828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.185828][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.185828][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.185828][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.185828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.185828][ T10] [ 1772.187424][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1772.187424][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1772.187424][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1772.187424][ T10] ipv6_find_idev+0x102/0x170 [ 1772.187424][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1772.187424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.187424][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.187424][ T10] netlink_unicast+0x449/0x710 [ 1772.187424][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.187424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.187424][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.187424][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.187424][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.187424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.187424][ T10] [ 1772.189615][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1772.189884][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1772.189884][ T10] netdev_get_by_index+0x5e/0x80 [ 1772.189884][ T10] fib6_nh_init+0x3d8/0x1580 [ 1772.189884][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1772.189884][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1772.189884][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1772.189884][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1772.189884][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1772.189884][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1772.189884][ T10] addrconf_dad_begin+0x310/0x670 [ 1772.189884][ T10] addrconf_dad_work+0x10b/0xab0 [ 1772.189884][ T10] process_one_work+0x84d/0x18a0 [ 1772.189884][ T10] worker_thread+0x587/0xd30 [ 1772.189884][ T10] kthread+0x28a/0x350 [ 1772.189884][ T10] ret_from_fork+0x31/0x70 [ 1772.189884][ T10] ret_from_fork_asm+0x1a/0x30 [ 1772.189884][ T10] [ 1772.191901][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1772.191901][ T10] netdev_get_by_index+0x5e/0x80 [ 1772.191901][ T10] fib6_nh_init+0x3d8/0x1580 [ 1772.191901][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1772.191901][ T10] ip6_route_add+0x1c/0x140 [ 1772.191901][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1772.191901][ T10] inet6_addr_add+0x4f8/0xa40 [ 1772.191901][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1772.191901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.191901][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.191901][ T10] netlink_unicast+0x449/0x710 [ 1772.191901][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.191901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.191901][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.191901][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.191901][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.191901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.191901][ T10] [ 1772.194048][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1772.194048][ T10] netdev_get_by_index+0x5e/0x80 [ 1772.194048][ T10] fib6_nh_init+0x3d8/0x1580 [ 1772.194048][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1772.194048][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1772.194048][ T10] ipv6_add_addr+0x411/0x2000 [ 1772.194048][ T10] inet6_addr_add+0x30e/0xa40 [ 1772.194048][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1772.194048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.194048][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.194048][ T10] netlink_unicast+0x449/0x710 [ 1772.194048][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.194048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.194048][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.194048][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.194048][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.194048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.194048][ T10] [ 1772.196141][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1772.196141][ T10] netdev_get_by_index+0x5e/0x80 [ 1772.196141][ T10] fib6_nh_init+0x3d8/0x1580 [ 1772.196141][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1772.196141][ T10] ip6_route_add+0x1c/0x140 [ 1772.196141][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1772.196141][ T10] addrconf_add_dev+0xe2/0x170 [ 1772.196141][ T10] inet6_addr_add+0x12f/0xa40 [ 1772.196141][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1772.196141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.196141][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.196141][ T10] netlink_unicast+0x449/0x710 [ 1772.196141][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.196141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.196141][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.196141][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.196141][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.196141][ T10] [ 1772.198220][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1772.198220][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1772.198220][ T10] ipv6_find_idev+0x102/0x170 [ 1772.198220][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1772.198220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.198220][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.198220][ T10] netlink_unicast+0x449/0x710 [ 1772.198220][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.198220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.198220][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.198220][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.198220][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.198220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.198220][ T10] [ 1772.199834][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1772.199834][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1772.199834][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1772.199834][ T10] ipv6_find_idev+0x102/0x170 [ 1772.199834][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1772.199834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.199834][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.199834][ T10] netlink_unicast+0x449/0x710 [ 1772.199834][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.199834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.199834][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.199834][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.199834][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.199834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.199834][ T10] [ 1772.201635][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1772.201888][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1772.201888][ T10] netdev_get_by_index+0x5e/0x80 [ 1772.201888][ T10] fib6_nh_init+0x3d8/0x1580 [ 1772.201888][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1772.201888][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1772.201888][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1772.201888][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1772.201888][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1772.201888][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1772.201888][ T10] addrconf_dad_begin+0x310/0x670 [ 1772.201888][ T10] addrconf_dad_work+0x10b/0xab0 [ 1772.201888][ T10] process_one_work+0x84d/0x18a0 [ 1772.201888][ T10] worker_thread+0x587/0xd30 [ 1772.201888][ T10] kthread+0x28a/0x350 [ 1772.201888][ T10] ret_from_fork+0x31/0x70 [ 1772.201888][ T10] ret_from_fork_asm+0x1a/0x30 [ 1772.201888][ T10] [ 1772.203874][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1772.203874][ T10] netdev_get_by_index+0x5e/0x80 [ 1772.203874][ T10] fib6_nh_init+0x3d8/0x1580 [ 1772.203874][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1772.203874][ T10] ip6_route_add+0x1c/0x140 [ 1772.203874][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1772.203874][ T10] inet6_addr_add+0x4f8/0xa40 [ 1772.203874][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1772.203874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.203874][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.203874][ T10] netlink_unicast+0x449/0x710 [ 1772.203874][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.203874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.203874][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.203874][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.203874][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.203874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.203874][ T10] [ 1772.206171][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1772.206171][ T10] netdev_get_by_index+0x5e/0x80 [ 1772.206171][ T10] fib6_nh_init+0x3d8/0x1580 [ 1772.206171][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1772.206171][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1772.206171][ T10] ipv6_add_addr+0x411/0x2000 [ 1772.206171][ T10] inet6_addr_add+0x30e/0xa40 [ 1772.206171][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1772.206171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.206171][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.206171][ T10] netlink_unicast+0x449/0x710 [ 1772.206171][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.206171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.206171][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.206171][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.206171][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.206171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.206171][ T10] [ 1772.208620][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1772.208620][ T10] netdev_get_by_index+0x5e/0x80 [ 1772.208620][ T10] fib6_nh_init+0x3d8/0x1580 [ 1772.208620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1772.208620][ T10] ip6_route_add+0x1c/0x140 [ 1772.208620][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1772.208620][ T10] addrconf_add_dev+0xe2/0x170 [ 1772.208620][ T10] inet6_addr_add+0x12f/0xa40 [ 1772.208620][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1772.208620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.208620][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.208620][ T10] netlink_unicast+0x449/0x710 [ 1772.208620][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.208620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.208620][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.208620][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.208620][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.208620][ T10] [ 1772.211022][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1772.211022][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1772.211022][ T10] ipv6_find_idev+0x102/0x170 [ 1772.211022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1772.211022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.211022][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.211022][ T10] netlink_unicast+0x449/0x710 [ 1772.211022][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.211022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.211022][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.211022][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.211022][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.211022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.211022][ T10] [ 1772.212834][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1772.212834][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1772.212834][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1772.212834][ T10] ipv6_find_idev+0x102/0x170 [ 1772.212834][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1772.212834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.212834][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.212834][ T10] netlink_unicast+0x449/0x710 [ 1772.212834][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.212834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.212834][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.212834][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.212834][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.212834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.212834][ T10] [ 1772.214792][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1772.215041][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1772.215041][ T10] netdev_get_by_index+0x5e/0x80 [ 1772.215041][ T10] fib6_nh_init+0x3d8/0x1580 [ 1772.215041][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1772.215041][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1772.215041][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1772.215041][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1772.215041][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1772.215041][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1772.215041][ T10] addrconf_dad_begin+0x310/0x670 [ 1772.215041][ T10] addrconf_dad_work+0x10b/0xab0 [ 1772.215041][ T10] process_one_work+0x84d/0x18a0 [ 1772.215041][ T10] worker_thread+0x587/0xd30 [ 1772.215041][ T10] kthread+0x28a/0x350 [ 1772.215041][ T10] ret_from_fork+0x31/0x70 [ 1772.215041][ T10] ret_from_fork_asm+0x1a/0x30 [ 1772.215041][ T10] [ 1772.217313][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1772.217313][ T10] netdev_get_by_index+0x5e/0x80 [ 1772.217313][ T10] fib6_nh_init+0x3d8/0x1580 [ 1772.217313][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1772.217313][ T10] ip6_route_add+0x1c/0x140 [ 1772.217313][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1772.217313][ T10] inet6_addr_add+0x4f8/0xa40 [ 1772.217313][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1772.217313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.217313][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.217313][ T10] netlink_unicast+0x449/0x710 [ 1772.217313][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.217313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.217313][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.217313][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.217313][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.217313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.217313][ T10] [ 1772.219704][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1772.219704][ T10] netdev_get_by_index+0x5e/0x80 [ 1772.219704][ T10] fib6_nh_init+0x3d8/0x1580 [ 1772.219704][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1772.219704][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1772.219704][ T10] ipv6_add_addr+0x411/0x2000 [ 1772.219704][ T10] inet6_addr_add+0x30e/0xa40 [ 1772.219704][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1772.219704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.219704][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.219704][ T10] netlink_unicast+0x449/0x710 [ 1772.219704][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.219704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.219704][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.219704][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.219704][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.219704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.219704][ T10] [ 1772.222063][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1772.222063][ T10] netdev_get_by_index+0x5e/0x80 [ 1772.222063][ T10] fib6_nh_init+0x3d8/0x1580 [ 1772.222063][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1772.222063][ T10] ip6_route_add+0x1c/0x140 [ 1772.222063][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1772.222063][ T10] addrconf_add_dev+0xe2/0x170 [ 1772.222063][ T10] inet6_addr_add+0x12f/0xa40 [ 1772.222063][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1772.222063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.222063][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.222063][ T10] netlink_unicast+0x449/0x710 [ 1772.222063][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.222063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.222063][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.222063][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.222063][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.222063][ T10] [ 1772.224296][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1772.224296][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1772.224296][ T10] ipv6_find_idev+0x102/0x170 [ 1772.224296][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1772.224296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.224296][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.224296][ T10] netlink_unicast+0x449/0x710 [ 1772.224296][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.224296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.224296][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.224296][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.224296][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.224296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.224296][ T10] [ 1772.226096][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1772.226096][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1772.226096][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1772.226096][ T10] ipv6_find_idev+0x102/0x170 [ 1772.226096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1772.226096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.226096][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.226096][ T10] netlink_unicast+0x449/0x710 [ 1772.226096][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.226096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.226096][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.226096][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.226096][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.226096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.226096][ T10] [ 1779.201124][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1779.201645][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1779.201645][ T1167] dst_init+0x84/0x4a0 [ 1779.201645][ T1167] dst_alloc+0x97/0x150 [ 1779.201645][ T1167] ip6_dst_alloc+0x23/0x90 [ 1779.201645][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1779.201645][ T1167] ip6_pol_route+0x56f/0x840 [ 1779.201645][ T1167] fib6_rule_lookup+0x334/0x630 [ 1779.201645][ T1167] ip6_route_output_flags+0x259/0x480 [ 1779.201645][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1779.201645][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1779.201645][ T1167] netlink_rcv_skb+0x130/0x360 [ 1779.201645][ T1167] netlink_unicast+0x449/0x710 [ 1779.201645][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1779.201645][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1779.201645][ T1167] ___sys_sendmsg+0xee/0x170 [ 1779.201645][ T1167] __sys_sendmsg+0xcd/0x170 [ 1779.201645][ T1167] do_syscall_64+0xc6/0x1e0 [ 1779.201645][ T1167] [ 1779.204168][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1779.204168][ T1167] netdev_get_by_index+0x5e/0x80 [ 1779.204168][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1779.204168][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1779.204168][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1779.204168][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1779.204168][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1779.204168][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1779.204168][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1779.204168][ T1167] addrconf_dad_begin+0x310/0x670 [ 1779.204168][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1779.204168][ T1167] process_one_work+0x84d/0x18a0 [ 1779.204168][ T1167] worker_thread+0x587/0xd30 [ 1779.204168][ T1167] kthread+0x28a/0x350 [ 1779.204168][ T1167] ret_from_fork+0x31/0x70 [ 1779.204168][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1779.204168][ T1167] [ 1779.206674][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1779.206674][ T1167] netdev_get_by_index+0x5e/0x80 [ 1779.206674][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1779.206674][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1779.206674][ T1167] ip6_route_add+0x1c/0x140 [ 1779.206674][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1779.206674][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1779.206674][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1779.206674][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.206674][ T1167] netlink_rcv_skb+0x130/0x360 [ 1779.206674][ T1167] netlink_unicast+0x449/0x710 [ 1779.206674][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1779.206674][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1779.206674][ T1167] ___sys_sendmsg+0xee/0x170 [ 1779.206674][ T1167] __sys_sendmsg+0xcd/0x170 [ 1779.206674][ T1167] do_syscall_64+0xc6/0x1e0 [ 1779.206674][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.206674][ T1167] [ 1779.209311][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1779.209311][ T1167] netdev_get_by_index+0x5e/0x80 [ 1779.209311][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1779.209311][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1779.209311][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1779.209311][ T1167] ipv6_add_addr+0x411/0x2000 [ 1779.209311][ T1167] inet6_addr_add+0x30e/0xa40 [ 1779.209311][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1779.209311][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.209311][ T1167] netlink_rcv_skb+0x130/0x360 [ 1779.209311][ T1167] netlink_unicast+0x449/0x710 [ 1779.209311][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1779.209311][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1779.209311][ T1167] ___sys_sendmsg+0xee/0x170 [ 1779.209311][ T1167] __sys_sendmsg+0xcd/0x170 [ 1779.209311][ T1167] do_syscall_64+0xc6/0x1e0 [ 1779.209311][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.209311][ T1167] [ 1779.211949][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1779.211949][ T1167] netdev_get_by_index+0x5e/0x80 [ 1779.211949][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1779.211949][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1779.211949][ T1167] ip6_route_add+0x1c/0x140 [ 1779.211949][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1779.211949][ T1167] addrconf_add_dev+0xe2/0x170 [ 1779.211949][ T1167] inet6_addr_add+0x12f/0xa40 [ 1779.211949][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1779.211949][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.211949][ T1167] netlink_rcv_skb+0x130/0x360 [ 1779.211949][ T1167] netlink_unicast+0x449/0x710 [ 1779.211949][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1779.211949][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1779.211949][ T1167] ___sys_sendmsg+0xee/0x170 [ 1779.211949][ T1167] __sys_sendmsg+0xcd/0x170 [ 1779.211949][ T1167] do_syscall_64+0xc6/0x1e0 [ 1779.211949][ T1167] [ 1779.214497][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1779.214497][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1779.214497][ T1167] ipv6_find_idev+0x102/0x170 [ 1779.214497][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1779.214497][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.214497][ T1167] netlink_rcv_skb+0x130/0x360 [ 1779.214497][ T1167] netlink_unicast+0x449/0x710 [ 1779.214497][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1779.214497][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1779.214497][ T1167] ___sys_sendmsg+0xee/0x170 [ 1779.214497][ T1167] __sys_sendmsg+0xcd/0x170 [ 1779.214497][ T1167] do_syscall_64+0xc6/0x1e0 [ 1779.214497][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.214497][ T1167] [ 1779.216466][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1779.216466][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1779.216466][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1779.216466][ T1167] ipv6_find_idev+0x102/0x170 [ 1779.216466][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1779.216466][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.216466][ T1167] netlink_rcv_skb+0x130/0x360 [ 1779.216466][ T1167] netlink_unicast+0x449/0x710 [ 1779.216466][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1779.216466][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1779.216466][ T1167] ___sys_sendmsg+0xee/0x170 [ 1779.216466][ T1167] __sys_sendmsg+0xcd/0x170 [ 1779.216466][ T1167] do_syscall_64+0xc6/0x1e0 [ 1779.216466][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.216466][ T1167] [ 1782.481097][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1782.481537][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1782.481537][ T10] netdev_get_by_index+0x5e/0x80 [ 1782.481537][ T10] fib6_nh_init+0x3d8/0x1580 [ 1782.481537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1782.481537][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1782.481537][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1782.481537][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1782.481537][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1782.481537][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1782.481537][ T10] addrconf_dad_begin+0x310/0x670 [ 1782.481537][ T10] addrconf_dad_work+0x10b/0xab0 [ 1782.481537][ T10] process_one_work+0x84d/0x18a0 [ 1782.481537][ T10] worker_thread+0x587/0xd30 [ 1782.481537][ T10] kthread+0x28a/0x350 [ 1782.481537][ T10] ret_from_fork+0x31/0x70 [ 1782.481537][ T10] ret_from_fork_asm+0x1a/0x30 [ 1782.481537][ T10] [ 1782.483842][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1782.483842][ T10] netdev_get_by_index+0x5e/0x80 [ 1782.483842][ T10] fib6_nh_init+0x3d8/0x1580 [ 1782.483842][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1782.483842][ T10] ip6_route_add+0x1c/0x140 [ 1782.483842][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1782.483842][ T10] inet6_addr_add+0x4f8/0xa40 [ 1782.483842][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1782.483842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.483842][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.483842][ T10] netlink_unicast+0x449/0x710 [ 1782.483842][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.483842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.483842][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.483842][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.483842][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.483842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.483842][ T10] [ 1782.486206][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1782.486206][ T10] netdev_get_by_index+0x5e/0x80 [ 1782.486206][ T10] fib6_nh_init+0x3d8/0x1580 [ 1782.486206][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1782.486206][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1782.486206][ T10] ipv6_add_addr+0x411/0x2000 [ 1782.486206][ T10] inet6_addr_add+0x30e/0xa40 [ 1782.486206][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1782.486206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.486206][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.486206][ T10] netlink_unicast+0x449/0x710 [ 1782.486206][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.486206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.486206][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.486206][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.486206][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.486206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.486206][ T10] [ 1782.488564][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1782.488564][ T10] netdev_get_by_index+0x5e/0x80 [ 1782.488564][ T10] fib6_nh_init+0x3d8/0x1580 [ 1782.488564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1782.488564][ T10] ip6_route_add+0x1c/0x140 [ 1782.488564][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1782.488564][ T10] addrconf_add_dev+0xe2/0x170 [ 1782.488564][ T10] inet6_addr_add+0x12f/0xa40 [ 1782.488564][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1782.488564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.488564][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.488564][ T10] netlink_unicast+0x449/0x710 [ 1782.488564][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.488564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.488564][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.488564][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.488564][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.488564][ T10] [ 1782.491320][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1782.491320][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1782.491320][ T10] ipv6_find_idev+0x102/0x170 [ 1782.491320][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1782.491320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.491320][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.491320][ T10] netlink_unicast+0x449/0x710 [ 1782.491320][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.491320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.491320][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.491320][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.491320][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.491320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.491320][ T10] [ 1782.493129][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1782.493129][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1782.493129][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1782.493129][ T10] ipv6_find_idev+0x102/0x170 [ 1782.493129][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1782.493129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.493129][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.493129][ T10] netlink_unicast+0x449/0x710 [ 1782.493129][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.493129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.493129][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.493129][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.493129][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.493129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.493129][ T10] [ 1782.495123][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1782.495408][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1782.495408][ T10] netdev_get_by_index+0x5e/0x80 [ 1782.495408][ T10] fib6_nh_init+0x3d8/0x1580 [ 1782.495408][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1782.495408][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1782.495408][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1782.495408][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1782.495408][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1782.495408][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1782.495408][ T10] addrconf_dad_begin+0x310/0x670 [ 1782.495408][ T10] addrconf_dad_work+0x10b/0xab0 [ 1782.495408][ T10] process_one_work+0x84d/0x18a0 [ 1782.495408][ T10] worker_thread+0x587/0xd30 [ 1782.495408][ T10] kthread+0x28a/0x350 [ 1782.495408][ T10] ret_from_fork+0x31/0x70 [ 1782.495408][ T10] ret_from_fork_asm+0x1a/0x30 [ 1782.495408][ T10] [ 1782.497526][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1782.497526][ T10] netdev_get_by_index+0x5e/0x80 [ 1782.497526][ T10] fib6_nh_init+0x3d8/0x1580 [ 1782.497526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1782.497526][ T10] ip6_route_add+0x1c/0x140 [ 1782.497526][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1782.497526][ T10] inet6_addr_add+0x4f8/0xa40 [ 1782.497526][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1782.497526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.497526][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.497526][ T10] netlink_unicast+0x449/0x710 [ 1782.497526][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.497526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.497526][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.497526][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.497526][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.497526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.497526][ T10] [ 1782.499524][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1782.499524][ T10] netdev_get_by_index+0x5e/0x80 [ 1782.499524][ T10] fib6_nh_init+0x3d8/0x1580 [ 1782.499524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1782.499524][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1782.499524][ T10] ipv6_add_addr+0x411/0x2000 [ 1782.499524][ T10] inet6_addr_add+0x30e/0xa40 [ 1782.499524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1782.499524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.499524][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.499524][ T10] netlink_unicast+0x449/0x710 [ 1782.499524][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.499524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.499524][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.499524][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.499524][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.499524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.499524][ T10] [ 1782.501547][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1782.501547][ T10] netdev_get_by_index+0x5e/0x80 [ 1782.501547][ T10] fib6_nh_init+0x3d8/0x1580 [ 1782.501547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1782.501547][ T10] ip6_route_add+0x1c/0x140 [ 1782.501547][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1782.501547][ T10] addrconf_add_dev+0xe2/0x170 [ 1782.501547][ T10] inet6_addr_add+0x12f/0xa40 [ 1782.501547][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1782.501547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.501547][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.501547][ T10] netlink_unicast+0x449/0x710 [ 1782.501547][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.501547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.501547][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.501547][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.501547][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.501547][ T10] [ 1782.503605][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1782.503605][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1782.503605][ T10] ipv6_find_idev+0x102/0x170 [ 1782.503605][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1782.503605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.503605][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.503605][ T10] netlink_unicast+0x449/0x710 [ 1782.503605][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.503605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.503605][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.503605][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.503605][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.503605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.503605][ T10] [ 1782.505150][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1782.505150][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1782.505150][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1782.505150][ T10] ipv6_find_idev+0x102/0x170 [ 1782.505150][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1782.505150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.505150][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.505150][ T10] netlink_unicast+0x449/0x710 [ 1782.505150][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.505150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.505150][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.505150][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.505150][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.505150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.505150][ T10] [ 1782.506851][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1782.507119][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1782.507119][ T10] netdev_get_by_index+0x5e/0x80 [ 1782.507119][ T10] fib6_nh_init+0x3d8/0x1580 [ 1782.507119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1782.507119][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1782.507119][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1782.507119][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1782.507119][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1782.507119][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1782.507119][ T10] addrconf_dad_begin+0x310/0x670 [ 1782.507119][ T10] addrconf_dad_work+0x10b/0xab0 [ 1782.507119][ T10] process_one_work+0x84d/0x18a0 [ 1782.507119][ T10] worker_thread+0x587/0xd30 [ 1782.507119][ T10] kthread+0x28a/0x350 [ 1782.507119][ T10] ret_from_fork+0x31/0x70 [ 1782.507119][ T10] ret_from_fork_asm+0x1a/0x30 [ 1782.507119][ T10] [ 1782.509447][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1782.509447][ T10] netdev_get_by_index+0x5e/0x80 [ 1782.509447][ T10] fib6_nh_init+0x3d8/0x1580 [ 1782.509447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1782.509447][ T10] ip6_route_add+0x1c/0x140 [ 1782.509447][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1782.509447][ T10] inet6_addr_add+0x4f8/0xa40 [ 1782.509447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1782.509447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.509447][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.509447][ T10] netlink_unicast+0x449/0x710 [ 1782.509447][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.509447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.509447][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.509447][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.509447][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.509447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.509447][ T10] [ 1782.511653][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1782.511653][ T10] netdev_get_by_index+0x5e/0x80 [ 1782.511653][ T10] fib6_nh_init+0x3d8/0x1580 [ 1782.511653][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1782.511653][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1782.511653][ T10] ipv6_add_addr+0x411/0x2000 [ 1782.511653][ T10] inet6_addr_add+0x30e/0xa40 [ 1782.511653][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1782.511653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.511653][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.511653][ T10] netlink_unicast+0x449/0x710 [ 1782.511653][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.511653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.511653][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.511653][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.511653][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.511653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.511653][ T10] [ 1782.513974][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1782.513974][ T10] netdev_get_by_index+0x5e/0x80 [ 1782.513974][ T10] fib6_nh_init+0x3d8/0x1580 [ 1782.513974][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1782.513974][ T10] ip6_route_add+0x1c/0x140 [ 1782.513974][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1782.513974][ T10] addrconf_add_dev+0xe2/0x170 [ 1782.513974][ T10] inet6_addr_add+0x12f/0xa40 [ 1782.513974][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1782.513974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.513974][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.513974][ T10] netlink_unicast+0x449/0x710 [ 1782.513974][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.513974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.513974][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.513974][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.513974][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.513974][ T10] [ 1782.516184][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1782.516184][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1782.516184][ T10] ipv6_find_idev+0x102/0x170 [ 1782.516184][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1782.516184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.516184][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.516184][ T10] netlink_unicast+0x449/0x710 [ 1782.516184][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.516184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.516184][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.516184][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.516184][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.516184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.516184][ T10] [ 1782.517915][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1782.517915][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1782.517915][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1782.517915][ T10] ipv6_find_idev+0x102/0x170 [ 1782.517915][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1782.517915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.517915][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.517915][ T10] netlink_unicast+0x449/0x710 [ 1782.517915][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.517915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.517915][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.517915][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.517915][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.517915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.517915][ T10] [ 1782.520007][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1782.520293][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1782.520293][ T10] netdev_get_by_index+0x5e/0x80 [ 1782.520293][ T10] fib6_nh_init+0x3d8/0x1580 [ 1782.520293][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1782.520293][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1782.520293][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1782.520293][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1782.520293][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1782.520293][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1782.520293][ T10] addrconf_dad_begin+0x310/0x670 [ 1782.520293][ T10] addrconf_dad_work+0x10b/0xab0 [ 1782.520293][ T10] process_one_work+0x84d/0x18a0 [ 1782.520293][ T10] worker_thread+0x587/0xd30 [ 1782.520293][ T10] kthread+0x28a/0x350 [ 1782.520293][ T10] ret_from_fork+0x31/0x70 [ 1782.520293][ T10] ret_from_fork_asm+0x1a/0x30 [ 1782.520293][ T10] [ 1782.522858][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1782.522858][ T10] netdev_get_by_index+0x5e/0x80 [ 1782.522858][ T10] fib6_nh_init+0x3d8/0x1580 [ 1782.522858][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1782.522858][ T10] ip6_route_add+0x1c/0x140 [ 1782.522858][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1782.522858][ T10] inet6_addr_add+0x4f8/0xa40 [ 1782.522858][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1782.522858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.522858][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.522858][ T10] netlink_unicast+0x449/0x710 [ 1782.522858][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.522858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.522858][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.522858][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.522858][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.522858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.522858][ T10] [ 1782.525401][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1782.525401][ T10] netdev_get_by_index+0x5e/0x80 [ 1782.525401][ T10] fib6_nh_init+0x3d8/0x1580 [ 1782.525401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1782.525401][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1782.525401][ T10] ipv6_add_addr+0x411/0x2000 [ 1782.525401][ T10] inet6_addr_add+0x30e/0xa40 [ 1782.525401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1782.525401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.525401][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.525401][ T10] netlink_unicast+0x449/0x710 [ 1782.525401][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.525401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.525401][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.525401][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.525401][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.525401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.525401][ T10] [ 1782.527871][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1782.527871][ T10] netdev_get_by_index+0x5e/0x80 [ 1782.527871][ T10] fib6_nh_init+0x3d8/0x1580 [ 1782.527871][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1782.527871][ T10] ip6_route_add+0x1c/0x140 [ 1782.527871][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1782.527871][ T10] addrconf_add_dev+0xe2/0x170 [ 1782.527871][ T10] inet6_addr_add+0x12f/0xa40 [ 1782.527871][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1782.527871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.527871][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.527871][ T10] netlink_unicast+0x449/0x710 [ 1782.527871][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.527871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.527871][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.527871][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.527871][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.527871][ T10] [ 1782.530103][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1782.530103][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1782.530103][ T10] ipv6_find_idev+0x102/0x170 [ 1782.530103][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1782.530103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.530103][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.530103][ T10] netlink_unicast+0x449/0x710 [ 1782.530103][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.530103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.530103][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.530103][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.530103][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.530103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.530103][ T10] [ 1782.531981][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1782.531981][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1782.531981][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1782.531981][ T10] ipv6_find_idev+0x102/0x170 [ 1782.531981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1782.531981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.531981][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.531981][ T10] netlink_unicast+0x449/0x710 [ 1782.531981][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.531981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.531981][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.531981][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.531981][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.531981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.531981][ T10] [ 1789.457138][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1789.457696][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1789.457696][ T1167] dst_init+0x84/0x4a0 [ 1789.457696][ T1167] dst_alloc+0x97/0x150 [ 1789.457696][ T1167] ip6_dst_alloc+0x23/0x90 [ 1789.457696][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1789.457696][ T1167] ip6_pol_route+0x56f/0x840 [ 1789.457696][ T1167] fib6_rule_lookup+0x334/0x630 [ 1789.457696][ T1167] ip6_route_output_flags+0x259/0x480 [ 1789.457696][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1789.457696][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1789.457696][ T1167] netlink_rcv_skb+0x130/0x360 [ 1789.457696][ T1167] netlink_unicast+0x449/0x710 [ 1789.457696][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1789.457696][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1789.457696][ T1167] ___sys_sendmsg+0xee/0x170 [ 1789.457696][ T1167] __sys_sendmsg+0xcd/0x170 [ 1789.457696][ T1167] do_syscall_64+0xc6/0x1e0 [ 1789.457696][ T1167] [ 1789.459941][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1789.459941][ T1167] netdev_get_by_index+0x5e/0x80 [ 1789.459941][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1789.459941][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1789.459941][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1789.459941][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1789.459941][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1789.459941][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1789.459941][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1789.459941][ T1167] addrconf_dad_begin+0x310/0x670 [ 1789.459941][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1789.459941][ T1167] process_one_work+0x84d/0x18a0 [ 1789.459941][ T1167] worker_thread+0x587/0xd30 [ 1789.459941][ T1167] kthread+0x28a/0x350 [ 1789.459941][ T1167] ret_from_fork+0x31/0x70 [ 1789.459941][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1789.459941][ T1167] [ 1789.462106][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1789.462106][ T1167] netdev_get_by_index+0x5e/0x80 [ 1789.462106][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1789.462106][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1789.462106][ T1167] ip6_route_add+0x1c/0x140 [ 1789.462106][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1789.462106][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1789.462106][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1789.462106][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1789.462106][ T1167] netlink_rcv_skb+0x130/0x360 [ 1789.462106][ T1167] netlink_unicast+0x449/0x710 [ 1789.462106][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1789.462106][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1789.462106][ T1167] ___sys_sendmsg+0xee/0x170 [ 1789.462106][ T1167] __sys_sendmsg+0xcd/0x170 [ 1789.462106][ T1167] do_syscall_64+0xc6/0x1e0 [ 1789.462106][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1789.462106][ T1167] [ 1789.464371][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1789.464371][ T1167] netdev_get_by_index+0x5e/0x80 [ 1789.464371][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1789.464371][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1789.464371][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1789.464371][ T1167] ipv6_add_addr+0x411/0x2000 [ 1789.464371][ T1167] inet6_addr_add+0x30e/0xa40 [ 1789.464371][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1789.464371][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1789.464371][ T1167] netlink_rcv_skb+0x130/0x360 [ 1789.464371][ T1167] netlink_unicast+0x449/0x710 [ 1789.464371][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1789.464371][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1789.464371][ T1167] ___sys_sendmsg+0xee/0x170 [ 1789.464371][ T1167] __sys_sendmsg+0xcd/0x170 [ 1789.464371][ T1167] do_syscall_64+0xc6/0x1e0 [ 1789.464371][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1789.464371][ T1167] [ 1789.466631][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1789.466631][ T1167] netdev_get_by_index+0x5e/0x80 [ 1789.466631][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1789.466631][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1789.466631][ T1167] ip6_route_add+0x1c/0x140 [ 1789.466631][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1789.466631][ T1167] addrconf_add_dev+0xe2/0x170 [ 1789.466631][ T1167] inet6_addr_add+0x12f/0xa40 [ 1789.466631][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1789.466631][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1789.466631][ T1167] netlink_rcv_skb+0x130/0x360 [ 1789.466631][ T1167] netlink_unicast+0x449/0x710 [ 1789.466631][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1789.466631][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1789.466631][ T1167] ___sys_sendmsg+0xee/0x170 [ 1789.466631][ T1167] __sys_sendmsg+0xcd/0x170 [ 1789.466631][ T1167] do_syscall_64+0xc6/0x1e0 [ 1789.466631][ T1167] [ 1789.469242][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1789.469242][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1789.469242][ T1167] ipv6_find_idev+0x102/0x170 [ 1789.469242][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1789.469242][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1789.469242][ T1167] netlink_rcv_skb+0x130/0x360 [ 1789.469242][ T1167] netlink_unicast+0x449/0x710 [ 1789.469242][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1789.469242][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1789.469242][ T1167] ___sys_sendmsg+0xee/0x170 [ 1789.469242][ T1167] __sys_sendmsg+0xcd/0x170 [ 1789.469242][ T1167] do_syscall_64+0xc6/0x1e0 [ 1789.469242][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1789.469242][ T1167] [ 1789.470985][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1789.470985][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1789.470985][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1789.470985][ T1167] ipv6_find_idev+0x102/0x170 [ 1789.470985][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1789.470985][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1789.470985][ T1167] netlink_rcv_skb+0x130/0x360 [ 1789.470985][ T1167] netlink_unicast+0x449/0x710 [ 1789.470985][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1789.470985][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1789.470985][ T1167] ___sys_sendmsg+0xee/0x170 [ 1789.470985][ T1167] __sys_sendmsg+0xcd/0x170 [ 1789.470985][ T1167] do_syscall_64+0xc6/0x1e0 [ 1789.470985][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1789.470985][ T1167] [ 1792.785177][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1792.785611][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1792.785611][ T10] netdev_get_by_index+0x5e/0x80 [ 1792.785611][ T10] fib6_nh_init+0x3d8/0x1580 [ 1792.785611][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1792.785611][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1792.785611][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1792.785611][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1792.785611][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1792.785611][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1792.785611][ T10] addrconf_dad_begin+0x310/0x670 [ 1792.785611][ T10] addrconf_dad_work+0x10b/0xab0 [ 1792.785611][ T10] process_one_work+0x84d/0x18a0 [ 1792.785611][ T10] worker_thread+0x587/0xd30 [ 1792.785611][ T10] kthread+0x28a/0x350 [ 1792.785611][ T10] ret_from_fork+0x31/0x70 [ 1792.785611][ T10] ret_from_fork_asm+0x1a/0x30 [ 1792.785611][ T10] [ 1792.787595][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1792.787595][ T10] netdev_get_by_index+0x5e/0x80 [ 1792.787595][ T10] fib6_nh_init+0x3d8/0x1580 [ 1792.787595][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1792.787595][ T10] ip6_route_add+0x1c/0x140 [ 1792.787595][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1792.787595][ T10] inet6_addr_add+0x4f8/0xa40 [ 1792.787595][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1792.787595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.787595][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.787595][ T10] netlink_unicast+0x449/0x710 [ 1792.787595][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.787595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.787595][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.787595][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.787595][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.787595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.787595][ T10] [ 1792.789635][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1792.789635][ T10] netdev_get_by_index+0x5e/0x80 [ 1792.789635][ T10] fib6_nh_init+0x3d8/0x1580 [ 1792.789635][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1792.789635][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1792.789635][ T10] ipv6_add_addr+0x411/0x2000 [ 1792.789635][ T10] inet6_addr_add+0x30e/0xa40 [ 1792.789635][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1792.789635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.789635][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.789635][ T10] netlink_unicast+0x449/0x710 [ 1792.789635][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.789635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.789635][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.789635][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.789635][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.789635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.789635][ T10] [ 1792.791648][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1792.791648][ T10] netdev_get_by_index+0x5e/0x80 [ 1792.791648][ T10] fib6_nh_init+0x3d8/0x1580 [ 1792.791648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1792.791648][ T10] ip6_route_add+0x1c/0x140 [ 1792.791648][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1792.791648][ T10] addrconf_add_dev+0xe2/0x170 [ 1792.791648][ T10] inet6_addr_add+0x12f/0xa40 [ 1792.791648][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1792.791648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.791648][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.791648][ T10] netlink_unicast+0x449/0x710 [ 1792.791648][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.791648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.791648][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.791648][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.791648][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.791648][ T10] [ 1792.793641][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1792.793641][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1792.793641][ T10] ipv6_find_idev+0x102/0x170 [ 1792.793641][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1792.793641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.793641][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.793641][ T10] netlink_unicast+0x449/0x710 [ 1792.793641][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.793641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.793641][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.793641][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.793641][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.793641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.793641][ T10] [ 1792.795233][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1792.795233][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1792.795233][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1792.795233][ T10] ipv6_find_idev+0x102/0x170 [ 1792.795233][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1792.795233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.795233][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.795233][ T10] netlink_unicast+0x449/0x710 [ 1792.795233][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.795233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.795233][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.795233][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.795233][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.795233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.795233][ T10] [ 1792.796978][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1792.797243][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1792.797243][ T10] netdev_get_by_index+0x5e/0x80 [ 1792.797243][ T10] fib6_nh_init+0x3d8/0x1580 [ 1792.797243][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1792.797243][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1792.797243][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1792.797243][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1792.797243][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1792.797243][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1792.797243][ T10] addrconf_dad_begin+0x310/0x670 [ 1792.797243][ T10] addrconf_dad_work+0x10b/0xab0 [ 1792.797243][ T10] process_one_work+0x84d/0x18a0 [ 1792.797243][ T10] worker_thread+0x587/0xd30 [ 1792.797243][ T10] kthread+0x28a/0x350 [ 1792.797243][ T10] ret_from_fork+0x31/0x70 [ 1792.797243][ T10] ret_from_fork_asm+0x1a/0x30 [ 1792.797243][ T10] [ 1792.799175][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1792.799175][ T10] netdev_get_by_index+0x5e/0x80 [ 1792.799175][ T10] fib6_nh_init+0x3d8/0x1580 [ 1792.799175][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1792.799175][ T10] ip6_route_add+0x1c/0x140 [ 1792.799175][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1792.799175][ T10] inet6_addr_add+0x4f8/0xa40 [ 1792.799175][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1792.799175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.799175][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.799175][ T10] netlink_unicast+0x449/0x710 [ 1792.799175][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.799175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.799175][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.799175][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.799175][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.799175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.799175][ T10] [ 1792.801188][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1792.801188][ T10] netdev_get_by_index+0x5e/0x80 [ 1792.801188][ T10] fib6_nh_init+0x3d8/0x1580 [ 1792.801188][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1792.801188][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1792.801188][ T10] ipv6_add_addr+0x411/0x2000 [ 1792.801188][ T10] inet6_addr_add+0x30e/0xa40 [ 1792.801188][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1792.801188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.801188][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.801188][ T10] netlink_unicast+0x449/0x710 [ 1792.801188][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.801188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.801188][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.801188][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.801188][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.801188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.801188][ T10] [ 1792.803211][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1792.803211][ T10] netdev_get_by_index+0x5e/0x80 [ 1792.803211][ T10] fib6_nh_init+0x3d8/0x1580 [ 1792.803211][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1792.803211][ T10] ip6_route_add+0x1c/0x140 [ 1792.803211][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1792.803211][ T10] addrconf_add_dev+0xe2/0x170 [ 1792.803211][ T10] inet6_addr_add+0x12f/0xa40 [ 1792.803211][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1792.803211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.803211][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.803211][ T10] netlink_unicast+0x449/0x710 [ 1792.803211][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.803211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.803211][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.803211][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.803211][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.803211][ T10] [ 1792.805196][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1792.805196][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1792.805196][ T10] ipv6_find_idev+0x102/0x170 [ 1792.805196][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1792.805196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.805196][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.805196][ T10] netlink_unicast+0x449/0x710 [ 1792.805196][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.805196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.805196][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.805196][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.805196][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.805196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.805196][ T10] [ 1792.806753][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1792.806753][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1792.806753][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1792.806753][ T10] ipv6_find_idev+0x102/0x170 [ 1792.806753][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1792.806753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.806753][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.806753][ T10] netlink_unicast+0x449/0x710 [ 1792.806753][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.806753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.806753][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.806753][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.806753][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.806753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.806753][ T10] [ 1792.808468][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1792.808712][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1792.808712][ T10] netdev_get_by_index+0x5e/0x80 [ 1792.808712][ T10] fib6_nh_init+0x3d8/0x1580 [ 1792.808712][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1792.808712][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1792.808712][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1792.808712][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1792.808712][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1792.808712][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1792.808712][ T10] addrconf_dad_begin+0x310/0x670 [ 1792.808712][ T10] addrconf_dad_work+0x10b/0xab0 [ 1792.808712][ T10] process_one_work+0x84d/0x18a0 [ 1792.808712][ T10] worker_thread+0x587/0xd30 [ 1792.808712][ T10] kthread+0x28a/0x350 [ 1792.808712][ T10] ret_from_fork+0x31/0x70 [ 1792.808712][ T10] ret_from_fork_asm+0x1a/0x30 [ 1792.808712][ T10] [ 1792.810634][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1792.810634][ T10] netdev_get_by_index+0x5e/0x80 [ 1792.810634][ T10] fib6_nh_init+0x3d8/0x1580 [ 1792.810634][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1792.810634][ T10] ip6_route_add+0x1c/0x140 [ 1792.810634][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1792.810634][ T10] inet6_addr_add+0x4f8/0xa40 [ 1792.810634][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1792.810634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.810634][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.810634][ T10] netlink_unicast+0x449/0x710 [ 1792.810634][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.810634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.810634][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.810634][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.810634][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.810634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.810634][ T10] [ 1792.812816][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1792.812816][ T10] netdev_get_by_index+0x5e/0x80 [ 1792.812816][ T10] fib6_nh_init+0x3d8/0x1580 [ 1792.812816][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1792.812816][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1792.812816][ T10] ipv6_add_addr+0x411/0x2000 [ 1792.812816][ T10] inet6_addr_add+0x30e/0xa40 [ 1792.812816][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1792.812816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.812816][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.812816][ T10] netlink_unicast+0x449/0x710 [ 1792.812816][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.812816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.812816][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.812816][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.812816][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.812816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.812816][ T10] [ 1792.815063][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1792.815063][ T10] netdev_get_by_index+0x5e/0x80 [ 1792.815063][ T10] fib6_nh_init+0x3d8/0x1580 [ 1792.815063][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1792.815063][ T10] ip6_route_add+0x1c/0x140 [ 1792.815063][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1792.815063][ T10] addrconf_add_dev+0xe2/0x170 [ 1792.815063][ T10] inet6_addr_add+0x12f/0xa40 [ 1792.815063][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1792.815063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.815063][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.815063][ T10] netlink_unicast+0x449/0x710 [ 1792.815063][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.815063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.815063][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.815063][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.815063][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.815063][ T10] [ 1792.817280][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1792.817280][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1792.817280][ T10] ipv6_find_idev+0x102/0x170 [ 1792.817280][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1792.817280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.817280][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.817280][ T10] netlink_unicast+0x449/0x710 [ 1792.817280][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.817280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.817280][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.817280][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.817280][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.817280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.817280][ T10] [ 1792.819181][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1792.819181][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1792.819181][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1792.819181][ T10] ipv6_find_idev+0x102/0x170 [ 1792.819181][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1792.819181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.819181][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.819181][ T10] netlink_unicast+0x449/0x710 [ 1792.819181][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.819181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.819181][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.819181][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.819181][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.819181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.819181][ T10] [ 1792.821153][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1792.821400][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1792.821400][ T10] netdev_get_by_index+0x5e/0x80 [ 1792.821400][ T10] fib6_nh_init+0x3d8/0x1580 [ 1792.821400][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1792.821400][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1792.821400][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1792.821400][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1792.821400][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1792.821400][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1792.821400][ T10] addrconf_dad_begin+0x310/0x670 [ 1792.821400][ T10] addrconf_dad_work+0x10b/0xab0 [ 1792.821400][ T10] process_one_work+0x84d/0x18a0 [ 1792.821400][ T10] worker_thread+0x587/0xd30 [ 1792.821400][ T10] kthread+0x28a/0x350 [ 1792.821400][ T10] ret_from_fork+0x31/0x70 [ 1792.821400][ T10] ret_from_fork_asm+0x1a/0x30 [ 1792.821400][ T10] [ 1792.823570][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1792.823570][ T10] netdev_get_by_index+0x5e/0x80 [ 1792.823570][ T10] fib6_nh_init+0x3d8/0x1580 [ 1792.823570][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1792.823570][ T10] ip6_route_add+0x1c/0x140 [ 1792.823570][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1792.823570][ T10] inet6_addr_add+0x4f8/0xa40 [ 1792.823570][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1792.823570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.823570][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.823570][ T10] netlink_unicast+0x449/0x710 [ 1792.823570][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.823570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.823570][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.823570][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.823570][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.823570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.823570][ T10] [ 1792.825820][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1792.825820][ T10] netdev_get_by_index+0x5e/0x80 [ 1792.825820][ T10] fib6_nh_init+0x3d8/0x1580 [ 1792.825820][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1792.825820][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1792.825820][ T10] ipv6_add_addr+0x411/0x2000 [ 1792.825820][ T10] inet6_addr_add+0x30e/0xa40 [ 1792.825820][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1792.825820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.825820][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.825820][ T10] netlink_unicast+0x449/0x710 [ 1792.825820][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.825820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.825820][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.825820][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.825820][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.825820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.825820][ T10] [ 1792.828089][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1792.828089][ T10] netdev_get_by_index+0x5e/0x80 [ 1792.828089][ T10] fib6_nh_init+0x3d8/0x1580 [ 1792.828089][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1792.828089][ T10] ip6_route_add+0x1c/0x140 [ 1792.828089][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1792.828089][ T10] addrconf_add_dev+0xe2/0x170 [ 1792.828089][ T10] inet6_addr_add+0x12f/0xa40 [ 1792.828089][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1792.828089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.828089][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.828089][ T10] netlink_unicast+0x449/0x710 [ 1792.828089][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.828089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.828089][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.828089][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.828089][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.828089][ T10] [ 1792.830315][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1792.830315][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1792.830315][ T10] ipv6_find_idev+0x102/0x170 [ 1792.830315][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1792.830315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.830315][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.830315][ T10] netlink_unicast+0x449/0x710 [ 1792.830315][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.830315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.830315][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.830315][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.830315][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.830315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.830315][ T10] [ 1792.832059][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1792.832059][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1792.832059][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1792.832059][ T10] ipv6_find_idev+0x102/0x170 [ 1792.832059][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1792.832059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.832059][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.832059][ T10] netlink_unicast+0x449/0x710 [ 1792.832059][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.832059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.832059][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.832059][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.832059][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.832059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.832059][ T10] [ 1799.617299][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1799.617811][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1799.617811][ T1167] dst_init+0x84/0x4a0 [ 1799.617811][ T1167] dst_alloc+0x97/0x150 [ 1799.617811][ T1167] ip6_dst_alloc+0x23/0x90 [ 1799.617811][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1799.617811][ T1167] ip6_pol_route+0x56f/0x840 [ 1799.617811][ T1167] fib6_rule_lookup+0x334/0x630 [ 1799.617811][ T1167] ip6_route_output_flags+0x259/0x480 [ 1799.617811][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1799.617811][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1799.617811][ T1167] netlink_rcv_skb+0x130/0x360 [ 1799.617811][ T1167] netlink_unicast+0x449/0x710 [ 1799.617811][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1799.617811][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1799.617811][ T1167] ___sys_sendmsg+0xee/0x170 [ 1799.617811][ T1167] __sys_sendmsg+0xcd/0x170 [ 1799.617811][ T1167] do_syscall_64+0xc6/0x1e0 [ 1799.617811][ T1167] [ 1799.620038][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1799.620038][ T1167] netdev_get_by_index+0x5e/0x80 [ 1799.620038][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1799.620038][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1799.620038][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1799.620038][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1799.620038][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1799.620038][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1799.620038][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1799.620038][ T1167] addrconf_dad_begin+0x310/0x670 [ 1799.620038][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1799.620038][ T1167] process_one_work+0x84d/0x18a0 [ 1799.620038][ T1167] worker_thread+0x587/0xd30 [ 1799.620038][ T1167] kthread+0x28a/0x350 [ 1799.620038][ T1167] ret_from_fork+0x31/0x70 [ 1799.620038][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1799.620038][ T1167] [ 1799.622189][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1799.622189][ T1167] netdev_get_by_index+0x5e/0x80 [ 1799.622189][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1799.622189][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1799.622189][ T1167] ip6_route_add+0x1c/0x140 [ 1799.622189][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1799.622189][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1799.622189][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1799.622189][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1799.622189][ T1167] netlink_rcv_skb+0x130/0x360 [ 1799.622189][ T1167] netlink_unicast+0x449/0x710 [ 1799.622189][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1799.622189][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1799.622189][ T1167] ___sys_sendmsg+0xee/0x170 [ 1799.622189][ T1167] __sys_sendmsg+0xcd/0x170 [ 1799.622189][ T1167] do_syscall_64+0xc6/0x1e0 [ 1799.622189][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1799.622189][ T1167] [ 1799.624434][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1799.624434][ T1167] netdev_get_by_index+0x5e/0x80 [ 1799.624434][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1799.624434][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1799.624434][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1799.624434][ T1167] ipv6_add_addr+0x411/0x2000 [ 1799.624434][ T1167] inet6_addr_add+0x30e/0xa40 [ 1799.624434][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1799.624434][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1799.624434][ T1167] netlink_rcv_skb+0x130/0x360 [ 1799.624434][ T1167] netlink_unicast+0x449/0x710 [ 1799.624434][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1799.624434][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1799.624434][ T1167] ___sys_sendmsg+0xee/0x170 [ 1799.624434][ T1167] __sys_sendmsg+0xcd/0x170 [ 1799.624434][ T1167] do_syscall_64+0xc6/0x1e0 [ 1799.624434][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1799.624434][ T1167] [ 1799.626682][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1799.626682][ T1167] netdev_get_by_index+0x5e/0x80 [ 1799.626682][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1799.626682][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1799.626682][ T1167] ip6_route_add+0x1c/0x140 [ 1799.626682][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1799.626682][ T1167] addrconf_add_dev+0xe2/0x170 [ 1799.626682][ T1167] inet6_addr_add+0x12f/0xa40 [ 1799.626682][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1799.626682][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1799.626682][ T1167] netlink_rcv_skb+0x130/0x360 [ 1799.626682][ T1167] netlink_unicast+0x449/0x710 [ 1799.626682][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1799.626682][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1799.626682][ T1167] ___sys_sendmsg+0xee/0x170 [ 1799.626682][ T1167] __sys_sendmsg+0xcd/0x170 [ 1799.626682][ T1167] do_syscall_64+0xc6/0x1e0 [ 1799.626682][ T1167] [ 1799.628904][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1799.628904][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1799.628904][ T1167] ipv6_find_idev+0x102/0x170 [ 1799.628904][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1799.628904][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1799.628904][ T1167] netlink_rcv_skb+0x130/0x360 [ 1799.628904][ T1167] netlink_unicast+0x449/0x710 [ 1799.628904][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1799.628904][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1799.628904][ T1167] ___sys_sendmsg+0xee/0x170 [ 1799.628904][ T1167] __sys_sendmsg+0xcd/0x170 [ 1799.628904][ T1167] do_syscall_64+0xc6/0x1e0 [ 1799.628904][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1799.628904][ T1167] [ 1799.630637][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1799.630637][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1799.630637][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1799.630637][ T1167] ipv6_find_idev+0x102/0x170 [ 1799.630637][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1799.630637][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1799.630637][ T1167] netlink_rcv_skb+0x130/0x360 [ 1799.630637][ T1167] netlink_unicast+0x449/0x710 [ 1799.630637][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1799.630637][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1799.630637][ T1167] ___sys_sendmsg+0xee/0x170 [ 1799.630637][ T1167] __sys_sendmsg+0xcd/0x170 [ 1799.630637][ T1167] do_syscall_64+0xc6/0x1e0 [ 1799.630637][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1799.630637][ T1167] [ 1802.945080][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1802.945616][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1802.945616][ T10] netdev_get_by_index+0x5e/0x80 [ 1802.945616][ T10] fib6_nh_init+0x3d8/0x1580 [ 1802.945616][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1802.945616][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1802.945616][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1802.945616][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1802.945616][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1802.945616][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1802.945616][ T10] addrconf_dad_begin+0x310/0x670 [ 1802.945616][ T10] addrconf_dad_work+0x10b/0xab0 [ 1802.945616][ T10] process_one_work+0x84d/0x18a0 [ 1802.945616][ T10] worker_thread+0x587/0xd30 [ 1802.945616][ T10] kthread+0x28a/0x350 [ 1802.945616][ T10] ret_from_fork+0x31/0x70 [ 1802.945616][ T10] ret_from_fork_asm+0x1a/0x30 [ 1802.945616][ T10] [ 1802.948582][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1802.948582][ T10] netdev_get_by_index+0x5e/0x80 [ 1802.948582][ T10] fib6_nh_init+0x3d8/0x1580 [ 1802.948582][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1802.948582][ T10] ip6_route_add+0x1c/0x140 [ 1802.948582][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1802.948582][ T10] inet6_addr_add+0x4f8/0xa40 [ 1802.948582][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1802.948582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.948582][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.948582][ T10] netlink_unicast+0x449/0x710 [ 1802.948582][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.948582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.948582][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.948582][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.948582][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.948582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.948582][ T10] [ 1802.950641][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1802.950641][ T10] netdev_get_by_index+0x5e/0x80 [ 1802.950641][ T10] fib6_nh_init+0x3d8/0x1580 [ 1802.950641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1802.950641][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1802.950641][ T10] ipv6_add_addr+0x411/0x2000 [ 1802.950641][ T10] inet6_addr_add+0x30e/0xa40 [ 1802.950641][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1802.950641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.950641][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.950641][ T10] netlink_unicast+0x449/0x710 [ 1802.950641][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.950641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.950641][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.950641][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.950641][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.950641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.950641][ T10] [ 1802.952725][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1802.952725][ T10] netdev_get_by_index+0x5e/0x80 [ 1802.952725][ T10] fib6_nh_init+0x3d8/0x1580 [ 1802.952725][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1802.952725][ T10] ip6_route_add+0x1c/0x140 [ 1802.952725][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1802.952725][ T10] addrconf_add_dev+0xe2/0x170 [ 1802.952725][ T10] inet6_addr_add+0x12f/0xa40 [ 1802.952725][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1802.952725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.952725][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.952725][ T10] netlink_unicast+0x449/0x710 [ 1802.952725][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.952725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.952725][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.952725][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.952725][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.952725][ T10] [ 1802.954809][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1802.954809][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1802.954809][ T10] ipv6_find_idev+0x102/0x170 [ 1802.954809][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1802.954809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.954809][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.954809][ T10] netlink_unicast+0x449/0x710 [ 1802.954809][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.954809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.954809][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.954809][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.954809][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.954809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.954809][ T10] [ 1802.956366][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1802.956366][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1802.956366][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1802.956366][ T10] ipv6_find_idev+0x102/0x170 [ 1802.956366][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1802.956366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.956366][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.956366][ T10] netlink_unicast+0x449/0x710 [ 1802.956366][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.956366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.956366][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.956366][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.956366][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.956366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.956366][ T10] [ 1802.958218][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1802.958531][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1802.958531][ T10] netdev_get_by_index+0x5e/0x80 [ 1802.958531][ T10] fib6_nh_init+0x3d8/0x1580 [ 1802.958531][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1802.958531][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1802.958531][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1802.958531][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1802.958531][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1802.958531][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1802.958531][ T10] addrconf_dad_begin+0x310/0x670 [ 1802.958531][ T10] addrconf_dad_work+0x10b/0xab0 [ 1802.958531][ T10] process_one_work+0x84d/0x18a0 [ 1802.958531][ T10] worker_thread+0x587/0xd30 [ 1802.958531][ T10] kthread+0x28a/0x350 [ 1802.958531][ T10] ret_from_fork+0x31/0x70 [ 1802.958531][ T10] ret_from_fork_asm+0x1a/0x30 [ 1802.958531][ T10] [ 1802.961478][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1802.961478][ T10] netdev_get_by_index+0x5e/0x80 [ 1802.961478][ T10] fib6_nh_init+0x3d8/0x1580 [ 1802.961478][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1802.961478][ T10] ip6_route_add+0x1c/0x140 [ 1802.961478][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1802.961478][ T10] inet6_addr_add+0x4f8/0xa40 [ 1802.961478][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1802.961478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.961478][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.961478][ T10] netlink_unicast+0x449/0x710 [ 1802.961478][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.961478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.961478][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.961478][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.961478][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.961478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.961478][ T10] [ 1802.964413][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1802.964413][ T10] netdev_get_by_index+0x5e/0x80 [ 1802.964413][ T10] fib6_nh_init+0x3d8/0x1580 [ 1802.964413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1802.964413][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1802.964413][ T10] ipv6_add_addr+0x411/0x2000 [ 1802.964413][ T10] inet6_addr_add+0x30e/0xa40 [ 1802.964413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1802.964413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.964413][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.964413][ T10] netlink_unicast+0x449/0x710 [ 1802.964413][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.964413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.964413][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.964413][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.964413][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.964413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.964413][ T10] [ 1802.967467][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1802.967467][ T10] netdev_get_by_index+0x5e/0x80 [ 1802.967467][ T10] fib6_nh_init+0x3d8/0x1580 [ 1802.967467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1802.967467][ T10] ip6_route_add+0x1c/0x140 [ 1802.967467][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1802.967467][ T10] addrconf_add_dev+0xe2/0x170 [ 1802.967467][ T10] inet6_addr_add+0x12f/0xa40 [ 1802.967467][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1802.967467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.967467][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.967467][ T10] netlink_unicast+0x449/0x710 [ 1802.967467][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.967467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.967467][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.967467][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.967467][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.967467][ T10] [ 1802.970449][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1802.970449][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1802.970449][ T10] ipv6_find_idev+0x102/0x170 [ 1802.970449][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1802.970449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.970449][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.970449][ T10] netlink_unicast+0x449/0x710 [ 1802.970449][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.970449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.970449][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.970449][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.970449][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.970449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.970449][ T10] [ 1802.972782][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1802.972782][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1802.972782][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1802.972782][ T10] ipv6_find_idev+0x102/0x170 [ 1802.972782][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1802.972782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.972782][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.972782][ T10] netlink_unicast+0x449/0x710 [ 1802.972782][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.972782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.972782][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.972782][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.972782][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.972782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.972782][ T10] [ 1802.975439][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1802.975831][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1802.975831][ T10] netdev_get_by_index+0x5e/0x80 [ 1802.975831][ T10] fib6_nh_init+0x3d8/0x1580 [ 1802.975831][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1802.975831][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1802.975831][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1802.975831][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1802.975831][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1802.975831][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1802.975831][ T10] addrconf_dad_begin+0x310/0x670 [ 1802.975831][ T10] addrconf_dad_work+0x10b/0xab0 [ 1802.975831][ T10] process_one_work+0x84d/0x18a0 [ 1802.975831][ T10] worker_thread+0x587/0xd30 [ 1802.975831][ T10] kthread+0x28a/0x350 [ 1802.975831][ T10] ret_from_fork+0x31/0x70 [ 1802.975831][ T10] ret_from_fork_asm+0x1a/0x30 [ 1802.975831][ T10] [ 1802.978725][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1802.978725][ T10] netdev_get_by_index+0x5e/0x80 [ 1802.978725][ T10] fib6_nh_init+0x3d8/0x1580 [ 1802.978725][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1802.978725][ T10] ip6_route_add+0x1c/0x140 [ 1802.978725][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1802.978725][ T10] inet6_addr_add+0x4f8/0xa40 [ 1802.978725][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1802.978725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.978725][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.978725][ T10] netlink_unicast+0x449/0x710 [ 1802.978725][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.978725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.978725][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.978725][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.978725][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.978725][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.978725][ T10] [ 1802.982228][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1802.982228][ T10] netdev_get_by_index+0x5e/0x80 [ 1802.982228][ T10] fib6_nh_init+0x3d8/0x1580 [ 1802.982228][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1802.982228][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1802.982228][ T10] ipv6_add_addr+0x411/0x2000 [ 1802.982228][ T10] inet6_addr_add+0x30e/0xa40 [ 1802.982228][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1802.982228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.982228][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.982228][ T10] netlink_unicast+0x449/0x710 [ 1802.982228][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.982228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.982228][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.982228][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.982228][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.982228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.982228][ T10] [ 1802.985628][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1802.985628][ T10] netdev_get_by_index+0x5e/0x80 [ 1802.985628][ T10] fib6_nh_init+0x3d8/0x1580 [ 1802.985628][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1802.985628][ T10] ip6_route_add+0x1c/0x140 [ 1802.985628][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1802.985628][ T10] addrconf_add_dev+0xe2/0x170 [ 1802.985628][ T10] inet6_addr_add+0x12f/0xa40 [ 1802.985628][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1802.985628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.985628][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.985628][ T10] netlink_unicast+0x449/0x710 [ 1802.985628][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.985628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.985628][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.985628][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.985628][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.985628][ T10] [ 1802.988677][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1802.988677][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1802.988677][ T10] ipv6_find_idev+0x102/0x170 [ 1802.988677][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1802.988677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.988677][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.988677][ T10] netlink_unicast+0x449/0x710 [ 1802.988677][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.988677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.988677][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.988677][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.988677][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.988677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.988677][ T10] [ 1802.990895][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1802.990895][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1802.990895][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1802.990895][ T10] ipv6_find_idev+0x102/0x170 [ 1802.990895][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1802.990895][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.990895][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.990895][ T10] netlink_unicast+0x449/0x710 [ 1802.990895][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.990895][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.990895][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.990895][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.990895][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.990895][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.990895][ T10] [ 1802.993285][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1802.993592][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1802.993592][ T10] netdev_get_by_index+0x5e/0x80 [ 1802.993592][ T10] fib6_nh_init+0x3d8/0x1580 [ 1802.993592][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1802.993592][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1802.993592][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1802.993592][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1802.993592][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1802.993592][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1802.993592][ T10] addrconf_dad_begin+0x310/0x670 [ 1802.993592][ T10] addrconf_dad_work+0x10b/0xab0 [ 1802.993592][ T10] process_one_work+0x84d/0x18a0 [ 1802.993592][ T10] worker_thread+0x587/0xd30 [ 1802.993592][ T10] kthread+0x28a/0x350 [ 1802.993592][ T10] ret_from_fork+0x31/0x70 [ 1802.993592][ T10] ret_from_fork_asm+0x1a/0x30 [ 1802.993592][ T10] [ 1802.996197][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1802.996197][ T10] netdev_get_by_index+0x5e/0x80 [ 1802.996197][ T10] fib6_nh_init+0x3d8/0x1580 [ 1802.996197][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1802.996197][ T10] ip6_route_add+0x1c/0x140 [ 1802.996197][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1802.996197][ T10] inet6_addr_add+0x4f8/0xa40 [ 1802.996197][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1802.996197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.996197][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.996197][ T10] netlink_unicast+0x449/0x710 [ 1802.996197][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.996197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.996197][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.996197][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.996197][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.996197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.996197][ T10] [ 1802.998981][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1802.998981][ T10] netdev_get_by_index+0x5e/0x80 [ 1802.998981][ T10] fib6_nh_init+0x3d8/0x1580 [ 1802.998981][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1802.998981][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1802.998981][ T10] ipv6_add_addr+0x411/0x2000 [ 1802.998981][ T10] inet6_addr_add+0x30e/0xa40 [ 1802.998981][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1802.998981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.998981][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.998981][ T10] netlink_unicast+0x449/0x710 [ 1802.998981][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.998981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.998981][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.998981][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.998981][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.998981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.998981][ T10] [ 1803.001852][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1803.001852][ T10] netdev_get_by_index+0x5e/0x80 [ 1803.001852][ T10] fib6_nh_init+0x3d8/0x1580 [ 1803.001852][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1803.001852][ T10] ip6_route_add+0x1c/0x140 [ 1803.001852][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1803.001852][ T10] addrconf_add_dev+0xe2/0x170 [ 1803.001852][ T10] inet6_addr_add+0x12f/0xa40 [ 1803.001852][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1803.001852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1803.001852][ T10] netlink_rcv_skb+0x130/0x360 [ 1803.001852][ T10] netlink_unicast+0x449/0x710 [ 1803.001852][ T10] netlink_sendmsg+0x723/0xbe0 [ 1803.001852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1803.001852][ T10] ___sys_sendmsg+0xee/0x170 [ 1803.001852][ T10] __sys_sendmsg+0xcd/0x170 [ 1803.001852][ T10] do_syscall_64+0xc6/0x1e0 [ 1803.001852][ T10] [ 1803.004609][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1803.004609][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1803.004609][ T10] ipv6_find_idev+0x102/0x170 [ 1803.004609][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1803.004609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1803.004609][ T10] netlink_rcv_skb+0x130/0x360 [ 1803.004609][ T10] netlink_unicast+0x449/0x710 [ 1803.004609][ T10] netlink_sendmsg+0x723/0xbe0 [ 1803.004609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1803.004609][ T10] ___sys_sendmsg+0xee/0x170 [ 1803.004609][ T10] __sys_sendmsg+0xcd/0x170 [ 1803.004609][ T10] do_syscall_64+0xc6/0x1e0 [ 1803.004609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1803.004609][ T10] [ 1803.006777][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1803.006777][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1803.006777][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1803.006777][ T10] ipv6_find_idev+0x102/0x170 [ 1803.006777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1803.006777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1803.006777][ T10] netlink_rcv_skb+0x130/0x360 [ 1803.006777][ T10] netlink_unicast+0x449/0x710 [ 1803.006777][ T10] netlink_sendmsg+0x723/0xbe0 [ 1803.006777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1803.006777][ T10] ___sys_sendmsg+0xee/0x170 [ 1803.006777][ T10] __sys_sendmsg+0xcd/0x170 [ 1803.006777][ T10] do_syscall_64+0xc6/0x1e0 [ 1803.006777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1803.006777][ T10] [ 1809.633081][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1809.633597][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1809.633597][ T1167] dst_init+0x84/0x4a0 [ 1809.633597][ T1167] dst_alloc+0x97/0x150 [ 1809.633597][ T1167] ip6_dst_alloc+0x23/0x90 [ 1809.633597][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1809.633597][ T1167] ip6_pol_route+0x56f/0x840 [ 1809.633597][ T1167] fib6_rule_lookup+0x334/0x630 [ 1809.633597][ T1167] ip6_route_output_flags+0x259/0x480 [ 1809.633597][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1809.633597][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1809.633597][ T1167] netlink_rcv_skb+0x130/0x360 [ 1809.633597][ T1167] netlink_unicast+0x449/0x710 [ 1809.633597][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1809.633597][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1809.633597][ T1167] ___sys_sendmsg+0xee/0x170 [ 1809.633597][ T1167] __sys_sendmsg+0xcd/0x170 [ 1809.633597][ T1167] do_syscall_64+0xc6/0x1e0 [ 1809.633597][ T1167] [ 1809.635805][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1809.635805][ T1167] netdev_get_by_index+0x5e/0x80 [ 1809.635805][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1809.635805][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1809.635805][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1809.635805][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1809.635805][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1809.635805][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1809.635805][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1809.635805][ T1167] addrconf_dad_begin+0x310/0x670 [ 1809.635805][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1809.635805][ T1167] process_one_work+0x84d/0x18a0 [ 1809.635805][ T1167] worker_thread+0x587/0xd30 [ 1809.635805][ T1167] kthread+0x28a/0x350 [ 1809.635805][ T1167] ret_from_fork+0x31/0x70 [ 1809.635805][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1809.635805][ T1167] [ 1809.637992][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1809.637992][ T1167] netdev_get_by_index+0x5e/0x80 [ 1809.637992][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1809.637992][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1809.637992][ T1167] ip6_route_add+0x1c/0x140 [ 1809.637992][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1809.637992][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1809.637992][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1809.637992][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1809.637992][ T1167] netlink_rcv_skb+0x130/0x360 [ 1809.637992][ T1167] netlink_unicast+0x449/0x710 [ 1809.637992][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1809.637992][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1809.637992][ T1167] ___sys_sendmsg+0xee/0x170 [ 1809.637992][ T1167] __sys_sendmsg+0xcd/0x170 [ 1809.637992][ T1167] do_syscall_64+0xc6/0x1e0 [ 1809.637992][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1809.637992][ T1167] [ 1809.640257][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1809.640257][ T1167] netdev_get_by_index+0x5e/0x80 [ 1809.640257][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1809.640257][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1809.640257][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1809.640257][ T1167] ipv6_add_addr+0x411/0x2000 [ 1809.640257][ T1167] inet6_addr_add+0x30e/0xa40 [ 1809.640257][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1809.640257][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1809.640257][ T1167] netlink_rcv_skb+0x130/0x360 [ 1809.640257][ T1167] netlink_unicast+0x449/0x710 [ 1809.640257][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1809.640257][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1809.640257][ T1167] ___sys_sendmsg+0xee/0x170 [ 1809.640257][ T1167] __sys_sendmsg+0xcd/0x170 [ 1809.640257][ T1167] do_syscall_64+0xc6/0x1e0 [ 1809.640257][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1809.640257][ T1167] [ 1809.642501][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1809.642501][ T1167] netdev_get_by_index+0x5e/0x80 [ 1809.642501][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1809.642501][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1809.642501][ T1167] ip6_route_add+0x1c/0x140 [ 1809.642501][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1809.642501][ T1167] addrconf_add_dev+0xe2/0x170 [ 1809.642501][ T1167] inet6_addr_add+0x12f/0xa40 [ 1809.642501][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1809.642501][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1809.642501][ T1167] netlink_rcv_skb+0x130/0x360 [ 1809.642501][ T1167] netlink_unicast+0x449/0x710 [ 1809.642501][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1809.642501][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1809.642501][ T1167] ___sys_sendmsg+0xee/0x170 [ 1809.642501][ T1167] __sys_sendmsg+0xcd/0x170 [ 1809.642501][ T1167] do_syscall_64+0xc6/0x1e0 [ 1809.642501][ T1167] [ 1809.644710][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1809.644710][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1809.644710][ T1167] ipv6_find_idev+0x102/0x170 [ 1809.644710][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1809.644710][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1809.644710][ T1167] netlink_rcv_skb+0x130/0x360 [ 1809.644710][ T1167] netlink_unicast+0x449/0x710 [ 1809.644710][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1809.644710][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1809.644710][ T1167] ___sys_sendmsg+0xee/0x170 [ 1809.644710][ T1167] __sys_sendmsg+0xcd/0x170 [ 1809.644710][ T1167] do_syscall_64+0xc6/0x1e0 [ 1809.644710][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1809.644710][ T1167] [ 1809.646497][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1809.646497][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1809.646497][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1809.646497][ T1167] ipv6_find_idev+0x102/0x170 [ 1809.646497][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1809.646497][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1809.646497][ T1167] netlink_rcv_skb+0x130/0x360 [ 1809.646497][ T1167] netlink_unicast+0x449/0x710 [ 1809.646497][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1809.646497][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1809.646497][ T1167] ___sys_sendmsg+0xee/0x170 [ 1809.646497][ T1167] __sys_sendmsg+0xcd/0x170 [ 1809.646497][ T1167] do_syscall_64+0xc6/0x1e0 [ 1809.646497][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1809.646497][ T1167] [ 1813.065126][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1813.065511][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1813.065511][ T10] netdev_get_by_index+0x5e/0x80 [ 1813.065511][ T10] fib6_nh_init+0x3d8/0x1580 [ 1813.065511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1813.065511][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1813.065511][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1813.065511][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1813.065511][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1813.065511][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1813.065511][ T10] addrconf_dad_begin+0x310/0x670 [ 1813.065511][ T10] addrconf_dad_work+0x10b/0xab0 [ 1813.065511][ T10] process_one_work+0x84d/0x18a0 [ 1813.065511][ T10] worker_thread+0x587/0xd30 [ 1813.065511][ T10] kthread+0x28a/0x350 [ 1813.065511][ T10] ret_from_fork+0x31/0x70 [ 1813.065511][ T10] ret_from_fork_asm+0x1a/0x30 [ 1813.065511][ T10] [ 1813.067491][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1813.067491][ T10] netdev_get_by_index+0x5e/0x80 [ 1813.067491][ T10] fib6_nh_init+0x3d8/0x1580 [ 1813.067491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1813.067491][ T10] ip6_route_add+0x1c/0x140 [ 1813.067491][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1813.067491][ T10] inet6_addr_add+0x4f8/0xa40 [ 1813.067491][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1813.067491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.067491][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.067491][ T10] netlink_unicast+0x449/0x710 [ 1813.067491][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.067491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.067491][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.067491][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.067491][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.067491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.067491][ T10] [ 1813.069518][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1813.069518][ T10] netdev_get_by_index+0x5e/0x80 [ 1813.069518][ T10] fib6_nh_init+0x3d8/0x1580 [ 1813.069518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1813.069518][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1813.069518][ T10] ipv6_add_addr+0x411/0x2000 [ 1813.069518][ T10] inet6_addr_add+0x30e/0xa40 [ 1813.069518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1813.069518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.069518][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.069518][ T10] netlink_unicast+0x449/0x710 [ 1813.069518][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.069518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.069518][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.069518][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.069518][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.069518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.069518][ T10] [ 1813.071558][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1813.071558][ T10] netdev_get_by_index+0x5e/0x80 [ 1813.071558][ T10] fib6_nh_init+0x3d8/0x1580 [ 1813.071558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1813.071558][ T10] ip6_route_add+0x1c/0x140 [ 1813.071558][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1813.071558][ T10] addrconf_add_dev+0xe2/0x170 [ 1813.071558][ T10] inet6_addr_add+0x12f/0xa40 [ 1813.071558][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1813.071558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.071558][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.071558][ T10] netlink_unicast+0x449/0x710 [ 1813.071558][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.071558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.071558][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.071558][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.071558][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.071558][ T10] [ 1813.073522][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1813.073522][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1813.073522][ T10] ipv6_find_idev+0x102/0x170 [ 1813.073522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1813.073522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.073522][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.073522][ T10] netlink_unicast+0x449/0x710 [ 1813.073522][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.073522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.073522][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.073522][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.073522][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.073522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.073522][ T10] [ 1813.075137][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1813.075137][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1813.075137][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1813.075137][ T10] ipv6_find_idev+0x102/0x170 [ 1813.075137][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1813.075137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.075137][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.075137][ T10] netlink_unicast+0x449/0x710 [ 1813.075137][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.075137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.075137][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.075137][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.075137][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.075137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.075137][ T10] [ 1813.076819][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1813.077081][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1813.077081][ T10] netdev_get_by_index+0x5e/0x80 [ 1813.077081][ T10] fib6_nh_init+0x3d8/0x1580 [ 1813.077081][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1813.077081][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1813.077081][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1813.077081][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1813.077081][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1813.077081][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1813.077081][ T10] addrconf_dad_begin+0x310/0x670 [ 1813.077081][ T10] addrconf_dad_work+0x10b/0xab0 [ 1813.077081][ T10] process_one_work+0x84d/0x18a0 [ 1813.077081][ T10] worker_thread+0x587/0xd30 [ 1813.077081][ T10] kthread+0x28a/0x350 [ 1813.077081][ T10] ret_from_fork+0x31/0x70 [ 1813.077081][ T10] ret_from_fork_asm+0x1a/0x30 [ 1813.077081][ T10] [ 1813.078979][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1813.078979][ T10] netdev_get_by_index+0x5e/0x80 [ 1813.078979][ T10] fib6_nh_init+0x3d8/0x1580 [ 1813.078979][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1813.078979][ T10] ip6_route_add+0x1c/0x140 [ 1813.078979][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1813.078979][ T10] inet6_addr_add+0x4f8/0xa40 [ 1813.078979][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1813.078979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.078979][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.078979][ T10] netlink_unicast+0x449/0x710 [ 1813.078979][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.078979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.078979][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.078979][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.078979][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.078979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.078979][ T10] [ 1813.080983][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1813.080983][ T10] netdev_get_by_index+0x5e/0x80 [ 1813.080983][ T10] fib6_nh_init+0x3d8/0x1580 [ 1813.080983][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1813.080983][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1813.080983][ T10] ipv6_add_addr+0x411/0x2000 [ 1813.080983][ T10] inet6_addr_add+0x30e/0xa40 [ 1813.080983][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1813.080983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.080983][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.080983][ T10] netlink_unicast+0x449/0x710 [ 1813.080983][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.080983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.080983][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.080983][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.080983][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.080983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.080983][ T10] [ 1813.082975][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1813.082975][ T10] netdev_get_by_index+0x5e/0x80 [ 1813.082975][ T10] fib6_nh_init+0x3d8/0x1580 [ 1813.082975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1813.082975][ T10] ip6_route_add+0x1c/0x140 [ 1813.082975][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1813.082975][ T10] addrconf_add_dev+0xe2/0x170 [ 1813.082975][ T10] inet6_addr_add+0x12f/0xa40 [ 1813.082975][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1813.082975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.082975][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.082975][ T10] netlink_unicast+0x449/0x710 [ 1813.082975][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.082975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.082975][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.082975][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.082975][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.082975][ T10] [ 1813.084933][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1813.084933][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1813.084933][ T10] ipv6_find_idev+0x102/0x170 [ 1813.084933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1813.084933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.084933][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.084933][ T10] netlink_unicast+0x449/0x710 [ 1813.084933][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.084933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.084933][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.084933][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.084933][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.084933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.084933][ T10] [ 1813.086476][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1813.086476][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1813.086476][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1813.086476][ T10] ipv6_find_idev+0x102/0x170 [ 1813.086476][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1813.086476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.086476][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.086476][ T10] netlink_unicast+0x449/0x710 [ 1813.086476][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.086476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.086476][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.086476][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.086476][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.086476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.086476][ T10] [ 1813.088147][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1813.088384][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1813.088384][ T10] netdev_get_by_index+0x5e/0x80 [ 1813.088384][ T10] fib6_nh_init+0x3d8/0x1580 [ 1813.088384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1813.088384][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1813.088384][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1813.088384][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1813.088384][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1813.088384][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1813.088384][ T10] addrconf_dad_begin+0x310/0x670 [ 1813.088384][ T10] addrconf_dad_work+0x10b/0xab0 [ 1813.088384][ T10] process_one_work+0x84d/0x18a0 [ 1813.088384][ T10] worker_thread+0x587/0xd30 [ 1813.088384][ T10] kthread+0x28a/0x350 [ 1813.088384][ T10] ret_from_fork+0x31/0x70 [ 1813.088384][ T10] ret_from_fork_asm+0x1a/0x30 [ 1813.088384][ T10] [ 1813.090314][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1813.090314][ T10] netdev_get_by_index+0x5e/0x80 [ 1813.090314][ T10] fib6_nh_init+0x3d8/0x1580 [ 1813.090314][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1813.090314][ T10] ip6_route_add+0x1c/0x140 [ 1813.090314][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1813.090314][ T10] inet6_addr_add+0x4f8/0xa40 [ 1813.090314][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1813.090314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.090314][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.090314][ T10] netlink_unicast+0x449/0x710 [ 1813.090314][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.090314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.090314][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.090314][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.090314][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.090314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.090314][ T10] [ 1813.092536][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1813.092536][ T10] netdev_get_by_index+0x5e/0x80 [ 1813.092536][ T10] fib6_nh_init+0x3d8/0x1580 [ 1813.092536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1813.092536][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1813.092536][ T10] ipv6_add_addr+0x411/0x2000 [ 1813.092536][ T10] inet6_addr_add+0x30e/0xa40 [ 1813.092536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1813.092536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.092536][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.092536][ T10] netlink_unicast+0x449/0x710 [ 1813.092536][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.092536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.092536][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.092536][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.092536][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.092536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.092536][ T10] [ 1813.094719][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1813.094719][ T10] netdev_get_by_index+0x5e/0x80 [ 1813.094719][ T10] fib6_nh_init+0x3d8/0x1580 [ 1813.094719][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1813.094719][ T10] ip6_route_add+0x1c/0x140 [ 1813.094719][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1813.094719][ T10] addrconf_add_dev+0xe2/0x170 [ 1813.094719][ T10] inet6_addr_add+0x12f/0xa40 [ 1813.094719][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1813.094719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.094719][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.094719][ T10] netlink_unicast+0x449/0x710 [ 1813.094719][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.094719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.094719][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.094719][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.094719][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.094719][ T10] [ 1813.096989][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1813.096989][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1813.096989][ T10] ipv6_find_idev+0x102/0x170 [ 1813.096989][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1813.096989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.096989][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.096989][ T10] netlink_unicast+0x449/0x710 [ 1813.096989][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.096989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.096989][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.096989][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.096989][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.096989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.096989][ T10] [ 1813.098728][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1813.098728][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1813.098728][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1813.098728][ T10] ipv6_find_idev+0x102/0x170 [ 1813.098728][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1813.098728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.098728][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.098728][ T10] netlink_unicast+0x449/0x710 [ 1813.098728][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.098728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.098728][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.098728][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.098728][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.098728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.098728][ T10] [ 1813.100619][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1813.100857][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1813.100857][ T10] netdev_get_by_index+0x5e/0x80 [ 1813.100857][ T10] fib6_nh_init+0x3d8/0x1580 [ 1813.100857][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1813.100857][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1813.100857][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1813.100857][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1813.100857][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1813.100857][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1813.100857][ T10] addrconf_dad_begin+0x310/0x670 [ 1813.100857][ T10] addrconf_dad_work+0x10b/0xab0 [ 1813.100857][ T10] process_one_work+0x84d/0x18a0 [ 1813.100857][ T10] worker_thread+0x587/0xd30 [ 1813.100857][ T10] kthread+0x28a/0x350 [ 1813.100857][ T10] ret_from_fork+0x31/0x70 [ 1813.100857][ T10] ret_from_fork_asm+0x1a/0x30 [ 1813.100857][ T10] [ 1813.102970][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1813.102970][ T10] netdev_get_by_index+0x5e/0x80 [ 1813.102970][ T10] fib6_nh_init+0x3d8/0x1580 [ 1813.102970][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1813.102970][ T10] ip6_route_add+0x1c/0x140 [ 1813.102970][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1813.102970][ T10] inet6_addr_add+0x4f8/0xa40 [ 1813.102970][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1813.102970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.102970][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.102970][ T10] netlink_unicast+0x449/0x710 [ 1813.102970][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.102970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.102970][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.102970][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.102970][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.102970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.102970][ T10] [ 1813.105278][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1813.105278][ T10] netdev_get_by_index+0x5e/0x80 [ 1813.105278][ T10] fib6_nh_init+0x3d8/0x1580 [ 1813.105278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1813.105278][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1813.105278][ T10] ipv6_add_addr+0x411/0x2000 [ 1813.105278][ T10] inet6_addr_add+0x30e/0xa40 [ 1813.105278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1813.105278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.105278][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.105278][ T10] netlink_unicast+0x449/0x710 [ 1813.105278][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.105278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.105278][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.105278][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.105278][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.105278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.105278][ T10] [ 1813.107533][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1813.107533][ T10] netdev_get_by_index+0x5e/0x80 [ 1813.107533][ T10] fib6_nh_init+0x3d8/0x1580 [ 1813.107533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1813.107533][ T10] ip6_route_add+0x1c/0x140 [ 1813.107533][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1813.107533][ T10] addrconf_add_dev+0xe2/0x170 [ 1813.107533][ T10] inet6_addr_add+0x12f/0xa40 [ 1813.107533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1813.107533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.107533][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.107533][ T10] netlink_unicast+0x449/0x710 [ 1813.107533][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.107533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.107533][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.107533][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.107533][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.107533][ T10] [ 1813.109774][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1813.109774][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1813.109774][ T10] ipv6_find_idev+0x102/0x170 [ 1813.109774][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1813.109774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.109774][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.109774][ T10] netlink_unicast+0x449/0x710 [ 1813.109774][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.109774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.109774][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.109774][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.109774][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.109774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.109774][ T10] [ 1813.111673][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1813.111673][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1813.111673][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1813.111673][ T10] ipv6_find_idev+0x102/0x170 [ 1813.111673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1813.111673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.111673][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.111673][ T10] netlink_unicast+0x449/0x710 [ 1813.111673][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.111673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.111673][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.111673][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.111673][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.111673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.111673][ T10] [ 1819.897075][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1819.897588][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1819.897588][ T1167] dst_init+0x84/0x4a0 [ 1819.897588][ T1167] dst_alloc+0x97/0x150 [ 1819.897588][ T1167] ip6_dst_alloc+0x23/0x90 [ 1819.897588][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1819.897588][ T1167] ip6_pol_route+0x56f/0x840 [ 1819.897588][ T1167] fib6_rule_lookup+0x334/0x630 [ 1819.897588][ T1167] ip6_route_output_flags+0x259/0x480 [ 1819.897588][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1819.897588][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1819.897588][ T1167] netlink_rcv_skb+0x130/0x360 [ 1819.897588][ T1167] netlink_unicast+0x449/0x710 [ 1819.897588][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1819.897588][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1819.897588][ T1167] ___sys_sendmsg+0xee/0x170 [ 1819.897588][ T1167] __sys_sendmsg+0xcd/0x170 [ 1819.897588][ T1167] do_syscall_64+0xc6/0x1e0 [ 1819.897588][ T1167] [ 1819.899814][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1819.899814][ T1167] netdev_get_by_index+0x5e/0x80 [ 1819.899814][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1819.899814][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1819.899814][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1819.899814][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1819.899814][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1819.899814][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1819.899814][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1819.899814][ T1167] addrconf_dad_begin+0x310/0x670 [ 1819.899814][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1819.899814][ T1167] process_one_work+0x84d/0x18a0 [ 1819.899814][ T1167] worker_thread+0x587/0xd30 [ 1819.899814][ T1167] kthread+0x28a/0x350 [ 1819.899814][ T1167] ret_from_fork+0x31/0x70 [ 1819.899814][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1819.899814][ T1167] [ 1819.901976][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1819.901976][ T1167] netdev_get_by_index+0x5e/0x80 [ 1819.901976][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1819.901976][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1819.901976][ T1167] ip6_route_add+0x1c/0x140 [ 1819.901976][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1819.901976][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1819.901976][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1819.901976][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1819.901976][ T1167] netlink_rcv_skb+0x130/0x360 [ 1819.901976][ T1167] netlink_unicast+0x449/0x710 [ 1819.901976][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1819.901976][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1819.901976][ T1167] ___sys_sendmsg+0xee/0x170 [ 1819.901976][ T1167] __sys_sendmsg+0xcd/0x170 [ 1819.901976][ T1167] do_syscall_64+0xc6/0x1e0 [ 1819.901976][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1819.901976][ T1167] [ 1819.904232][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1819.904232][ T1167] netdev_get_by_index+0x5e/0x80 [ 1819.904232][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1819.904232][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1819.904232][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1819.904232][ T1167] ipv6_add_addr+0x411/0x2000 [ 1819.904232][ T1167] inet6_addr_add+0x30e/0xa40 [ 1819.904232][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1819.904232][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1819.904232][ T1167] netlink_rcv_skb+0x130/0x360 [ 1819.904232][ T1167] netlink_unicast+0x449/0x710 [ 1819.904232][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1819.904232][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1819.904232][ T1167] ___sys_sendmsg+0xee/0x170 [ 1819.904232][ T1167] __sys_sendmsg+0xcd/0x170 [ 1819.904232][ T1167] do_syscall_64+0xc6/0x1e0 [ 1819.904232][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1819.904232][ T1167] [ 1819.906494][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1819.906494][ T1167] netdev_get_by_index+0x5e/0x80 [ 1819.906494][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1819.906494][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1819.906494][ T1167] ip6_route_add+0x1c/0x140 [ 1819.906494][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1819.906494][ T1167] addrconf_add_dev+0xe2/0x170 [ 1819.906494][ T1167] inet6_addr_add+0x12f/0xa40 [ 1819.906494][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1819.906494][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1819.906494][ T1167] netlink_rcv_skb+0x130/0x360 [ 1819.906494][ T1167] netlink_unicast+0x449/0x710 [ 1819.906494][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1819.906494][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1819.906494][ T1167] ___sys_sendmsg+0xee/0x170 [ 1819.906494][ T1167] __sys_sendmsg+0xcd/0x170 [ 1819.906494][ T1167] do_syscall_64+0xc6/0x1e0 [ 1819.906494][ T1167] [ 1819.908744][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1819.908744][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1819.908744][ T1167] ipv6_find_idev+0x102/0x170 [ 1819.908744][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1819.908744][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1819.908744][ T1167] netlink_rcv_skb+0x130/0x360 [ 1819.908744][ T1167] netlink_unicast+0x449/0x710 [ 1819.908744][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1819.908744][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1819.908744][ T1167] ___sys_sendmsg+0xee/0x170 [ 1819.908744][ T1167] __sys_sendmsg+0xcd/0x170 [ 1819.908744][ T1167] do_syscall_64+0xc6/0x1e0 [ 1819.908744][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1819.908744][ T1167] [ 1819.910526][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1819.910526][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1819.910526][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1819.910526][ T1167] ipv6_find_idev+0x102/0x170 [ 1819.910526][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1819.910526][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1819.910526][ T1167] netlink_rcv_skb+0x130/0x360 [ 1819.910526][ T1167] netlink_unicast+0x449/0x710 [ 1819.910526][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1819.910526][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1819.910526][ T1167] ___sys_sendmsg+0xee/0x170 [ 1819.910526][ T1167] __sys_sendmsg+0xcd/0x170 [ 1819.910526][ T1167] do_syscall_64+0xc6/0x1e0 [ 1819.910526][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1819.910526][ T1167] [ 1823.353126][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1823.353516][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1823.353516][ T10] netdev_get_by_index+0x5e/0x80 [ 1823.353516][ T10] fib6_nh_init+0x3d8/0x1580 [ 1823.353516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1823.353516][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1823.353516][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1823.353516][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1823.353516][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1823.353516][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1823.353516][ T10] addrconf_dad_begin+0x310/0x670 [ 1823.353516][ T10] addrconf_dad_work+0x10b/0xab0 [ 1823.353516][ T10] process_one_work+0x84d/0x18a0 [ 1823.353516][ T10] worker_thread+0x587/0xd30 [ 1823.353516][ T10] kthread+0x28a/0x350 [ 1823.353516][ T10] ret_from_fork+0x31/0x70 [ 1823.353516][ T10] ret_from_fork_asm+0x1a/0x30 [ 1823.353516][ T10] [ 1823.356514][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1823.356514][ T10] netdev_get_by_index+0x5e/0x80 [ 1823.356514][ T10] fib6_nh_init+0x3d8/0x1580 [ 1823.356514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1823.356514][ T10] ip6_route_add+0x1c/0x140 [ 1823.356514][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1823.356514][ T10] inet6_addr_add+0x4f8/0xa40 [ 1823.356514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1823.356514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.356514][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.356514][ T10] netlink_unicast+0x449/0x710 [ 1823.356514][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.356514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.356514][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.356514][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.356514][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.356514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.356514][ T10] [ 1823.359767][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1823.359767][ T10] netdev_get_by_index+0x5e/0x80 [ 1823.359767][ T10] fib6_nh_init+0x3d8/0x1580 [ 1823.359767][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1823.359767][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1823.359767][ T10] ipv6_add_addr+0x411/0x2000 [ 1823.359767][ T10] inet6_addr_add+0x30e/0xa40 [ 1823.359767][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1823.359767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.359767][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.359767][ T10] netlink_unicast+0x449/0x710 [ 1823.359767][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.359767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.359767][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.359767][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.359767][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.359767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.359767][ T10] [ 1823.362958][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1823.362958][ T10] netdev_get_by_index+0x5e/0x80 [ 1823.362958][ T10] fib6_nh_init+0x3d8/0x1580 [ 1823.362958][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1823.362958][ T10] ip6_route_add+0x1c/0x140 [ 1823.362958][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1823.362958][ T10] addrconf_add_dev+0xe2/0x170 [ 1823.362958][ T10] inet6_addr_add+0x12f/0xa40 [ 1823.362958][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1823.362958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.362958][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.362958][ T10] netlink_unicast+0x449/0x710 [ 1823.362958][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.362958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.362958][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.362958][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.362958][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.362958][ T10] [ 1823.365951][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1823.365951][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1823.365951][ T10] ipv6_find_idev+0x102/0x170 [ 1823.365951][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1823.365951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.365951][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.365951][ T10] netlink_unicast+0x449/0x710 [ 1823.365951][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.365951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.365951][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.365951][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.365951][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.365951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.365951][ T10] [ 1823.368212][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1823.368212][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1823.368212][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1823.368212][ T10] ipv6_find_idev+0x102/0x170 [ 1823.368212][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1823.368212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.368212][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.368212][ T10] netlink_unicast+0x449/0x710 [ 1823.368212][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.368212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.368212][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.368212][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.368212][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.368212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.368212][ T10] [ 1823.370757][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1823.371167][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1823.371167][ T10] netdev_get_by_index+0x5e/0x80 [ 1823.371167][ T10] fib6_nh_init+0x3d8/0x1580 [ 1823.371167][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1823.371167][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1823.371167][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1823.371167][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1823.371167][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1823.371167][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1823.371167][ T10] addrconf_dad_begin+0x310/0x670 [ 1823.371167][ T10] addrconf_dad_work+0x10b/0xab0 [ 1823.371167][ T10] process_one_work+0x84d/0x18a0 [ 1823.371167][ T10] worker_thread+0x587/0xd30 [ 1823.371167][ T10] kthread+0x28a/0x350 [ 1823.371167][ T10] ret_from_fork+0x31/0x70 [ 1823.371167][ T10] ret_from_fork_asm+0x1a/0x30 [ 1823.371167][ T10] [ 1823.374038][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1823.374038][ T10] netdev_get_by_index+0x5e/0x80 [ 1823.374038][ T10] fib6_nh_init+0x3d8/0x1580 [ 1823.374038][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1823.374038][ T10] ip6_route_add+0x1c/0x140 [ 1823.374038][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1823.374038][ T10] inet6_addr_add+0x4f8/0xa40 [ 1823.374038][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1823.374038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.374038][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.374038][ T10] netlink_unicast+0x449/0x710 [ 1823.374038][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.374038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.374038][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.374038][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.374038][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.374038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.374038][ T10] [ 1823.377071][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1823.377071][ T10] netdev_get_by_index+0x5e/0x80 [ 1823.377071][ T10] fib6_nh_init+0x3d8/0x1580 [ 1823.377071][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1823.377071][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1823.377071][ T10] ipv6_add_addr+0x411/0x2000 [ 1823.377071][ T10] inet6_addr_add+0x30e/0xa40 [ 1823.377071][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1823.377071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.377071][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.377071][ T10] netlink_unicast+0x449/0x710 [ 1823.377071][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.377071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.377071][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.377071][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.377071][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.377071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.377071][ T10] [ 1823.380156][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1823.380156][ T10] netdev_get_by_index+0x5e/0x80 [ 1823.380156][ T10] fib6_nh_init+0x3d8/0x1580 [ 1823.380156][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1823.380156][ T10] ip6_route_add+0x1c/0x140 [ 1823.380156][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1823.380156][ T10] addrconf_add_dev+0xe2/0x170 [ 1823.380156][ T10] inet6_addr_add+0x12f/0xa40 [ 1823.380156][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1823.380156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.380156][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.380156][ T10] netlink_unicast+0x449/0x710 [ 1823.380156][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.380156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.380156][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.380156][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.380156][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.380156][ T10] [ 1823.383183][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1823.383183][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1823.383183][ T10] ipv6_find_idev+0x102/0x170 [ 1823.383183][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1823.383183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.383183][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.383183][ T10] netlink_unicast+0x449/0x710 [ 1823.383183][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.383183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.383183][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.383183][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.383183][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.383183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.383183][ T10] [ 1823.385526][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1823.385526][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1823.385526][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1823.385526][ T10] ipv6_find_idev+0x102/0x170 [ 1823.385526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1823.385526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.385526][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.385526][ T10] netlink_unicast+0x449/0x710 [ 1823.385526][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.385526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.385526][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.385526][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.385526][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.385526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.385526][ T10] [ 1823.388172][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1823.388550][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1823.388550][ T10] netdev_get_by_index+0x5e/0x80 [ 1823.388550][ T10] fib6_nh_init+0x3d8/0x1580 [ 1823.388550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1823.388550][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1823.388550][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1823.388550][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1823.388550][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1823.388550][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1823.388550][ T10] addrconf_dad_begin+0x310/0x670 [ 1823.388550][ T10] addrconf_dad_work+0x10b/0xab0 [ 1823.388550][ T10] process_one_work+0x84d/0x18a0 [ 1823.388550][ T10] worker_thread+0x587/0xd30 [ 1823.388550][ T10] kthread+0x28a/0x350 [ 1823.388550][ T10] ret_from_fork+0x31/0x70 [ 1823.388550][ T10] ret_from_fork_asm+0x1a/0x30 [ 1823.388550][ T10] [ 1823.391442][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1823.391442][ T10] netdev_get_by_index+0x5e/0x80 [ 1823.391442][ T10] fib6_nh_init+0x3d8/0x1580 [ 1823.391442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1823.391442][ T10] ip6_route_add+0x1c/0x140 [ 1823.391442][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1823.391442][ T10] inet6_addr_add+0x4f8/0xa40 [ 1823.391442][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1823.391442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.391442][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.391442][ T10] netlink_unicast+0x449/0x710 [ 1823.391442][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.391442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.391442][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.391442][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.391442][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.391442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.391442][ T10] [ 1823.394975][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1823.394975][ T10] netdev_get_by_index+0x5e/0x80 [ 1823.394975][ T10] fib6_nh_init+0x3d8/0x1580 [ 1823.394975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1823.394975][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1823.394975][ T10] ipv6_add_addr+0x411/0x2000 [ 1823.394975][ T10] inet6_addr_add+0x30e/0xa40 [ 1823.394975][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1823.394975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.394975][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.394975][ T10] netlink_unicast+0x449/0x710 [ 1823.394975][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.394975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.394975][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.394975][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.394975][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.394975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.394975][ T10] [ 1823.398263][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1823.398263][ T10] netdev_get_by_index+0x5e/0x80 [ 1823.398263][ T10] fib6_nh_init+0x3d8/0x1580 [ 1823.398263][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1823.398263][ T10] ip6_route_add+0x1c/0x140 [ 1823.398263][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1823.398263][ T10] addrconf_add_dev+0xe2/0x170 [ 1823.398263][ T10] inet6_addr_add+0x12f/0xa40 [ 1823.398263][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1823.398263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.398263][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.398263][ T10] netlink_unicast+0x449/0x710 [ 1823.398263][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.398263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.398263][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.398263][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.398263][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.398263][ T10] [ 1823.401624][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1823.401624][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1823.401624][ T10] ipv6_find_idev+0x102/0x170 [ 1823.401624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1823.401624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.401624][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.401624][ T10] netlink_unicast+0x449/0x710 [ 1823.401624][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.401624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.401624][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.401624][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.401624][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.401624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.401624][ T10] [ 1823.404287][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1823.404287][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1823.404287][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1823.404287][ T10] ipv6_find_idev+0x102/0x170 [ 1823.404287][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1823.404287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.404287][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.404287][ T10] netlink_unicast+0x449/0x710 [ 1823.404287][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.404287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.404287][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.404287][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.404287][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.404287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.404287][ T10] [ 1823.407223][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1823.407588][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1823.407588][ T10] netdev_get_by_index+0x5e/0x80 [ 1823.407588][ T10] fib6_nh_init+0x3d8/0x1580 [ 1823.407588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1823.407588][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1823.407588][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1823.407588][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1823.407588][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1823.407588][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1823.407588][ T10] addrconf_dad_begin+0x310/0x670 [ 1823.407588][ T10] addrconf_dad_work+0x10b/0xab0 [ 1823.407588][ T10] process_one_work+0x84d/0x18a0 [ 1823.407588][ T10] worker_thread+0x587/0xd30 [ 1823.407588][ T10] kthread+0x28a/0x350 [ 1823.407588][ T10] ret_from_fork+0x31/0x70 [ 1823.407588][ T10] ret_from_fork_asm+0x1a/0x30 [ 1823.407588][ T10] [ 1823.410881][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1823.410881][ T10] netdev_get_by_index+0x5e/0x80 [ 1823.410881][ T10] fib6_nh_init+0x3d8/0x1580 [ 1823.410881][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1823.410881][ T10] ip6_route_add+0x1c/0x140 [ 1823.410881][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1823.410881][ T10] inet6_addr_add+0x4f8/0xa40 [ 1823.410881][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1823.410881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.410881][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.410881][ T10] netlink_unicast+0x449/0x710 [ 1823.410881][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.410881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.410881][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.410881][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.410881][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.410881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.410881][ T10] [ 1823.414292][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1823.414292][ T10] netdev_get_by_index+0x5e/0x80 [ 1823.414292][ T10] fib6_nh_init+0x3d8/0x1580 [ 1823.414292][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1823.414292][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1823.414292][ T10] ipv6_add_addr+0x411/0x2000 [ 1823.414292][ T10] inet6_addr_add+0x30e/0xa40 [ 1823.414292][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1823.414292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.414292][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.414292][ T10] netlink_unicast+0x449/0x710 [ 1823.414292][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.414292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.414292][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.414292][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.414292][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.414292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.414292][ T10] [ 1823.417718][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1823.417718][ T10] netdev_get_by_index+0x5e/0x80 [ 1823.417718][ T10] fib6_nh_init+0x3d8/0x1580 [ 1823.417718][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1823.417718][ T10] ip6_route_add+0x1c/0x140 [ 1823.417718][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1823.417718][ T10] addrconf_add_dev+0xe2/0x170 [ 1823.417718][ T10] inet6_addr_add+0x12f/0xa40 [ 1823.417718][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1823.417718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.417718][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.417718][ T10] netlink_unicast+0x449/0x710 [ 1823.417718][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.417718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.417718][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.417718][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.417718][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.417718][ T10] [ 1823.421117][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1823.421117][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1823.421117][ T10] ipv6_find_idev+0x102/0x170 [ 1823.421117][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1823.421117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.421117][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.421117][ T10] netlink_unicast+0x449/0x710 [ 1823.421117][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.421117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.421117][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.421117][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.421117][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.421117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.421117][ T10] [ 1823.423837][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1823.423837][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1823.423837][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1823.423837][ T10] ipv6_find_idev+0x102/0x170 [ 1823.423837][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1823.423837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.423837][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.423837][ T10] netlink_unicast+0x449/0x710 [ 1823.423837][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.423837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.423837][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.423837][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.423837][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.423837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.423837][ T10] [ 1830.161088][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1830.161550][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1830.161550][ T1167] dst_init+0x84/0x4a0 [ 1830.161550][ T1167] dst_alloc+0x97/0x150 [ 1830.161550][ T1167] ip6_dst_alloc+0x23/0x90 [ 1830.161550][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1830.161550][ T1167] ip6_pol_route+0x56f/0x840 [ 1830.161550][ T1167] fib6_rule_lookup+0x334/0x630 [ 1830.161550][ T1167] ip6_route_output_flags+0x259/0x480 [ 1830.161550][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1830.161550][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1830.161550][ T1167] netlink_rcv_skb+0x130/0x360 [ 1830.161550][ T1167] netlink_unicast+0x449/0x710 [ 1830.161550][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1830.161550][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1830.161550][ T1167] ___sys_sendmsg+0xee/0x170 [ 1830.161550][ T1167] __sys_sendmsg+0xcd/0x170 [ 1830.161550][ T1167] do_syscall_64+0xc6/0x1e0 [ 1830.161550][ T1167] [ 1830.163786][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1830.163786][ T1167] netdev_get_by_index+0x5e/0x80 [ 1830.163786][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1830.163786][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1830.163786][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1830.163786][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1830.163786][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1830.163786][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1830.163786][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1830.163786][ T1167] addrconf_dad_begin+0x310/0x670 [ 1830.163786][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1830.163786][ T1167] process_one_work+0x84d/0x18a0 [ 1830.163786][ T1167] worker_thread+0x587/0xd30 [ 1830.163786][ T1167] kthread+0x28a/0x350 [ 1830.163786][ T1167] ret_from_fork+0x31/0x70 [ 1830.163786][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1830.163786][ T1167] [ 1830.166183][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1830.166183][ T1167] netdev_get_by_index+0x5e/0x80 [ 1830.166183][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1830.166183][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1830.166183][ T1167] ip6_route_add+0x1c/0x140 [ 1830.166183][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1830.166183][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1830.166183][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1830.166183][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1830.166183][ T1167] netlink_rcv_skb+0x130/0x360 [ 1830.166183][ T1167] netlink_unicast+0x449/0x710 [ 1830.166183][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1830.166183][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1830.166183][ T1167] ___sys_sendmsg+0xee/0x170 [ 1830.166183][ T1167] __sys_sendmsg+0xcd/0x170 [ 1830.166183][ T1167] do_syscall_64+0xc6/0x1e0 [ 1830.166183][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1830.166183][ T1167] [ 1830.168476][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1830.168476][ T1167] netdev_get_by_index+0x5e/0x80 [ 1830.168476][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1830.168476][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1830.168476][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1830.168476][ T1167] ipv6_add_addr+0x411/0x2000 [ 1830.168476][ T1167] inet6_addr_add+0x30e/0xa40 [ 1830.168476][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1830.168476][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1830.168476][ T1167] netlink_rcv_skb+0x130/0x360 [ 1830.168476][ T1167] netlink_unicast+0x449/0x710 [ 1830.168476][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1830.168476][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1830.168476][ T1167] ___sys_sendmsg+0xee/0x170 [ 1830.168476][ T1167] __sys_sendmsg+0xcd/0x170 [ 1830.168476][ T1167] do_syscall_64+0xc6/0x1e0 [ 1830.168476][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1830.168476][ T1167] [ 1830.170782][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1830.170782][ T1167] netdev_get_by_index+0x5e/0x80 [ 1830.170782][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1830.170782][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1830.170782][ T1167] ip6_route_add+0x1c/0x140 [ 1830.170782][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1830.170782][ T1167] addrconf_add_dev+0xe2/0x170 [ 1830.170782][ T1167] inet6_addr_add+0x12f/0xa40 [ 1830.170782][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1830.170782][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1830.170782][ T1167] netlink_rcv_skb+0x130/0x360 [ 1830.170782][ T1167] netlink_unicast+0x449/0x710 [ 1830.170782][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1830.170782][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1830.170782][ T1167] ___sys_sendmsg+0xee/0x170 [ 1830.170782][ T1167] __sys_sendmsg+0xcd/0x170 [ 1830.170782][ T1167] do_syscall_64+0xc6/0x1e0 [ 1830.170782][ T1167] [ 1830.173052][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1830.173052][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1830.173052][ T1167] ipv6_find_idev+0x102/0x170 [ 1830.173052][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1830.173052][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1830.173052][ T1167] netlink_rcv_skb+0x130/0x360 [ 1830.173052][ T1167] netlink_unicast+0x449/0x710 [ 1830.173052][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1830.173052][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1830.173052][ T1167] ___sys_sendmsg+0xee/0x170 [ 1830.173052][ T1167] __sys_sendmsg+0xcd/0x170 [ 1830.173052][ T1167] do_syscall_64+0xc6/0x1e0 [ 1830.173052][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1830.173052][ T1167] [ 1830.174798][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1830.174798][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1830.174798][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1830.174798][ T1167] ipv6_find_idev+0x102/0x170 [ 1830.174798][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1830.174798][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1830.174798][ T1167] netlink_rcv_skb+0x130/0x360 [ 1830.174798][ T1167] netlink_unicast+0x449/0x710 [ 1830.174798][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1830.174798][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1830.174798][ T1167] ___sys_sendmsg+0xee/0x170 [ 1830.174798][ T1167] __sys_sendmsg+0xcd/0x170 [ 1830.174798][ T1167] do_syscall_64+0xc6/0x1e0 [ 1830.174798][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1830.174798][ T1167] [ 1833.625200][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1833.625644][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1833.625644][ T10] netdev_get_by_index+0x5e/0x80 [ 1833.625644][ T10] fib6_nh_init+0x3d8/0x1580 [ 1833.625644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1833.625644][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1833.625644][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1833.625644][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1833.625644][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1833.625644][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1833.625644][ T10] addrconf_dad_begin+0x310/0x670 [ 1833.625644][ T10] addrconf_dad_work+0x10b/0xab0 [ 1833.625644][ T10] process_one_work+0x84d/0x18a0 [ 1833.625644][ T10] worker_thread+0x587/0xd30 [ 1833.625644][ T10] kthread+0x28a/0x350 [ 1833.625644][ T10] ret_from_fork+0x31/0x70 [ 1833.625644][ T10] ret_from_fork_asm+0x1a/0x30 [ 1833.625644][ T10] [ 1833.628179][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1833.628179][ T10] netdev_get_by_index+0x5e/0x80 [ 1833.628179][ T10] fib6_nh_init+0x3d8/0x1580 [ 1833.628179][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1833.628179][ T10] ip6_route_add+0x1c/0x140 [ 1833.628179][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1833.628179][ T10] inet6_addr_add+0x4f8/0xa40 [ 1833.628179][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1833.628179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.628179][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.628179][ T10] netlink_unicast+0x449/0x710 [ 1833.628179][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.628179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.628179][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.628179][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.628179][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.628179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.628179][ T10] [ 1833.630193][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1833.630193][ T10] netdev_get_by_index+0x5e/0x80 [ 1833.630193][ T10] fib6_nh_init+0x3d8/0x1580 [ 1833.630193][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1833.630193][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1833.630193][ T10] ipv6_add_addr+0x411/0x2000 [ 1833.630193][ T10] inet6_addr_add+0x30e/0xa40 [ 1833.630193][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1833.630193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.630193][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.630193][ T10] netlink_unicast+0x449/0x710 [ 1833.630193][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.630193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.630193][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.630193][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.630193][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.630193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.630193][ T10] [ 1833.632573][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1833.632573][ T10] netdev_get_by_index+0x5e/0x80 [ 1833.632573][ T10] fib6_nh_init+0x3d8/0x1580 [ 1833.632573][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1833.632573][ T10] ip6_route_add+0x1c/0x140 [ 1833.632573][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1833.632573][ T10] addrconf_add_dev+0xe2/0x170 [ 1833.632573][ T10] inet6_addr_add+0x12f/0xa40 [ 1833.632573][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1833.632573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.632573][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.632573][ T10] netlink_unicast+0x449/0x710 [ 1833.632573][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.632573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.632573][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.632573][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.632573][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.632573][ T10] [ 1833.634560][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1833.634560][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1833.634560][ T10] ipv6_find_idev+0x102/0x170 [ 1833.634560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1833.634560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.634560][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.634560][ T10] netlink_unicast+0x449/0x710 [ 1833.634560][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.634560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.634560][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.634560][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.634560][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.634560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.634560][ T10] [ 1833.636099][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1833.636099][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1833.636099][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1833.636099][ T10] ipv6_find_idev+0x102/0x170 [ 1833.636099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1833.636099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.636099][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.636099][ T10] netlink_unicast+0x449/0x710 [ 1833.636099][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.636099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.636099][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.636099][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.636099][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.636099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.636099][ T10] [ 1833.637831][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1833.638100][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1833.638100][ T10] netdev_get_by_index+0x5e/0x80 [ 1833.638100][ T10] fib6_nh_init+0x3d8/0x1580 [ 1833.638100][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1833.638100][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1833.638100][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1833.638100][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1833.638100][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1833.638100][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1833.638100][ T10] addrconf_dad_begin+0x310/0x670 [ 1833.638100][ T10] addrconf_dad_work+0x10b/0xab0 [ 1833.638100][ T10] process_one_work+0x84d/0x18a0 [ 1833.638100][ T10] worker_thread+0x587/0xd30 [ 1833.638100][ T10] kthread+0x28a/0x350 [ 1833.638100][ T10] ret_from_fork+0x31/0x70 [ 1833.638100][ T10] ret_from_fork_asm+0x1a/0x30 [ 1833.638100][ T10] [ 1833.640015][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1833.640015][ T10] netdev_get_by_index+0x5e/0x80 [ 1833.640015][ T10] fib6_nh_init+0x3d8/0x1580 [ 1833.640015][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1833.640015][ T10] ip6_route_add+0x1c/0x140 [ 1833.640015][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1833.640015][ T10] inet6_addr_add+0x4f8/0xa40 [ 1833.640015][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1833.640015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.640015][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.640015][ T10] netlink_unicast+0x449/0x710 [ 1833.640015][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.640015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.640015][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.640015][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.640015][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.640015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.640015][ T10] [ 1833.642002][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1833.642002][ T10] netdev_get_by_index+0x5e/0x80 [ 1833.642002][ T10] fib6_nh_init+0x3d8/0x1580 [ 1833.642002][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1833.642002][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1833.642002][ T10] ipv6_add_addr+0x411/0x2000 [ 1833.642002][ T10] inet6_addr_add+0x30e/0xa40 [ 1833.642002][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1833.642002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.642002][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.642002][ T10] netlink_unicast+0x449/0x710 [ 1833.642002][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.642002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.642002][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.642002][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.642002][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.642002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.642002][ T10] [ 1833.644028][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1833.644028][ T10] netdev_get_by_index+0x5e/0x80 [ 1833.644028][ T10] fib6_nh_init+0x3d8/0x1580 [ 1833.644028][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1833.644028][ T10] ip6_route_add+0x1c/0x140 [ 1833.644028][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1833.644028][ T10] addrconf_add_dev+0xe2/0x170 [ 1833.644028][ T10] inet6_addr_add+0x12f/0xa40 [ 1833.644028][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1833.644028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.644028][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.644028][ T10] netlink_unicast+0x449/0x710 [ 1833.644028][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.644028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.644028][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.644028][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.644028][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.644028][ T10] [ 1833.645993][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1833.645993][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1833.645993][ T10] ipv6_find_idev+0x102/0x170 [ 1833.645993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1833.645993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.645993][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.645993][ T10] netlink_unicast+0x449/0x710 [ 1833.645993][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.645993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.645993][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.645993][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.645993][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.645993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.645993][ T10] [ 1833.647555][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1833.647555][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1833.647555][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1833.647555][ T10] ipv6_find_idev+0x102/0x170 [ 1833.647555][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1833.647555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.647555][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.647555][ T10] netlink_unicast+0x449/0x710 [ 1833.647555][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.647555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.647555][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.647555][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.647555][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.647555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.647555][ T10] [ 1833.649249][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1833.649505][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1833.649505][ T10] netdev_get_by_index+0x5e/0x80 [ 1833.649505][ T10] fib6_nh_init+0x3d8/0x1580 [ 1833.649505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1833.649505][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1833.649505][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1833.649505][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1833.649505][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1833.649505][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1833.649505][ T10] addrconf_dad_begin+0x310/0x670 [ 1833.649505][ T10] addrconf_dad_work+0x10b/0xab0 [ 1833.649505][ T10] process_one_work+0x84d/0x18a0 [ 1833.649505][ T10] worker_thread+0x587/0xd30 [ 1833.649505][ T10] kthread+0x28a/0x350 [ 1833.649505][ T10] ret_from_fork+0x31/0x70 [ 1833.649505][ T10] ret_from_fork_asm+0x1a/0x30 [ 1833.649505][ T10] [ 1833.651419][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1833.651419][ T10] netdev_get_by_index+0x5e/0x80 [ 1833.651419][ T10] fib6_nh_init+0x3d8/0x1580 [ 1833.651419][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1833.651419][ T10] ip6_route_add+0x1c/0x140 [ 1833.651419][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1833.651419][ T10] inet6_addr_add+0x4f8/0xa40 [ 1833.651419][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1833.651419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.651419][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.651419][ T10] netlink_unicast+0x449/0x710 [ 1833.651419][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.651419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.651419][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.651419][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.651419][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.651419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.651419][ T10] [ 1833.653678][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1833.653678][ T10] netdev_get_by_index+0x5e/0x80 [ 1833.653678][ T10] fib6_nh_init+0x3d8/0x1580 [ 1833.653678][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1833.653678][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1833.653678][ T10] ipv6_add_addr+0x411/0x2000 [ 1833.653678][ T10] inet6_addr_add+0x30e/0xa40 [ 1833.653678][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1833.653678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.653678][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.653678][ T10] netlink_unicast+0x449/0x710 [ 1833.653678][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.653678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.653678][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.653678][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.653678][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.653678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.653678][ T10] [ 1833.655864][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1833.655864][ T10] netdev_get_by_index+0x5e/0x80 [ 1833.655864][ T10] fib6_nh_init+0x3d8/0x1580 [ 1833.655864][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1833.655864][ T10] ip6_route_add+0x1c/0x140 [ 1833.655864][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1833.655864][ T10] addrconf_add_dev+0xe2/0x170 [ 1833.655864][ T10] inet6_addr_add+0x12f/0xa40 [ 1833.655864][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1833.655864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.655864][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.655864][ T10] netlink_unicast+0x449/0x710 [ 1833.655864][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.655864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.655864][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.655864][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.655864][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.655864][ T10] [ 1833.658064][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1833.658064][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1833.658064][ T10] ipv6_find_idev+0x102/0x170 [ 1833.658064][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1833.658064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.658064][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.658064][ T10] netlink_unicast+0x449/0x710 [ 1833.658064][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.658064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.658064][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.658064][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.658064][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.658064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.658064][ T10] [ 1833.659779][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1833.659779][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1833.659779][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1833.659779][ T10] ipv6_find_idev+0x102/0x170 [ 1833.659779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1833.659779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.659779][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.659779][ T10] netlink_unicast+0x449/0x710 [ 1833.659779][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.659779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.659779][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.659779][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.659779][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.659779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.659779][ T10] [ 1833.661786][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1833.662026][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1833.662026][ T10] netdev_get_by_index+0x5e/0x80 [ 1833.662026][ T10] fib6_nh_init+0x3d8/0x1580 [ 1833.662026][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1833.662026][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1833.662026][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1833.662026][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1833.662026][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1833.662026][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1833.662026][ T10] addrconf_dad_begin+0x310/0x670 [ 1833.662026][ T10] addrconf_dad_work+0x10b/0xab0 [ 1833.662026][ T10] process_one_work+0x84d/0x18a0 [ 1833.662026][ T10] worker_thread+0x587/0xd30 [ 1833.662026][ T10] kthread+0x28a/0x350 [ 1833.662026][ T10] ret_from_fork+0x31/0x70 [ 1833.662026][ T10] ret_from_fork_asm+0x1a/0x30 [ 1833.662026][ T10] [ 1833.664112][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1833.664112][ T10] netdev_get_by_index+0x5e/0x80 [ 1833.664112][ T10] fib6_nh_init+0x3d8/0x1580 [ 1833.664112][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1833.664112][ T10] ip6_route_add+0x1c/0x140 [ 1833.664112][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1833.664112][ T10] inet6_addr_add+0x4f8/0xa40 [ 1833.664112][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1833.664112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.664112][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.664112][ T10] netlink_unicast+0x449/0x710 [ 1833.664112][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.664112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.664112][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.664112][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.664112][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.664112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.664112][ T10] [ 1833.666360][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1833.666360][ T10] netdev_get_by_index+0x5e/0x80 [ 1833.666360][ T10] fib6_nh_init+0x3d8/0x1580 [ 1833.666360][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1833.666360][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1833.666360][ T10] ipv6_add_addr+0x411/0x2000 [ 1833.666360][ T10] inet6_addr_add+0x30e/0xa40 [ 1833.666360][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1833.666360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.666360][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.666360][ T10] netlink_unicast+0x449/0x710 [ 1833.666360][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.666360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.666360][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.666360][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.666360][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.666360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.666360][ T10] [ 1833.668601][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1833.668601][ T10] netdev_get_by_index+0x5e/0x80 [ 1833.668601][ T10] fib6_nh_init+0x3d8/0x1580 [ 1833.668601][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1833.668601][ T10] ip6_route_add+0x1c/0x140 [ 1833.668601][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1833.668601][ T10] addrconf_add_dev+0xe2/0x170 [ 1833.668601][ T10] inet6_addr_add+0x12f/0xa40 [ 1833.668601][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1833.668601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.668601][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.668601][ T10] netlink_unicast+0x449/0x710 [ 1833.668601][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.668601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.668601][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.668601][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.668601][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.668601][ T10] [ 1833.670883][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1833.670883][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1833.670883][ T10] ipv6_find_idev+0x102/0x170 [ 1833.670883][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1833.670883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.670883][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.670883][ T10] netlink_unicast+0x449/0x710 [ 1833.670883][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.670883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.670883][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.670883][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.670883][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.670883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.670883][ T10] [ 1833.672611][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1833.672611][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1833.672611][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1833.672611][ T10] ipv6_find_idev+0x102/0x170 [ 1833.672611][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1833.672611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.672611][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.672611][ T10] netlink_unicast+0x449/0x710 [ 1833.672611][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.672611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.672611][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.672611][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.672611][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.672611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.672611][ T10] [ 1840.281104][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1840.281621][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1840.281621][ T1167] dst_init+0x84/0x4a0 [ 1840.281621][ T1167] dst_alloc+0x97/0x150 [ 1840.281621][ T1167] ip6_dst_alloc+0x23/0x90 [ 1840.281621][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1840.281621][ T1167] ip6_pol_route+0x56f/0x840 [ 1840.281621][ T1167] fib6_rule_lookup+0x334/0x630 [ 1840.281621][ T1167] ip6_route_output_flags+0x259/0x480 [ 1840.281621][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1840.281621][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1840.281621][ T1167] netlink_rcv_skb+0x130/0x360 [ 1840.281621][ T1167] netlink_unicast+0x449/0x710 [ 1840.281621][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1840.281621][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1840.281621][ T1167] ___sys_sendmsg+0xee/0x170 [ 1840.281621][ T1167] __sys_sendmsg+0xcd/0x170 [ 1840.281621][ T1167] do_syscall_64+0xc6/0x1e0 [ 1840.281621][ T1167] [ 1840.283861][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1840.283861][ T1167] netdev_get_by_index+0x5e/0x80 [ 1840.283861][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1840.283861][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1840.283861][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1840.283861][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1840.283861][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1840.283861][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1840.283861][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1840.283861][ T1167] addrconf_dad_begin+0x310/0x670 [ 1840.283861][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1840.283861][ T1167] process_one_work+0x84d/0x18a0 [ 1840.283861][ T1167] worker_thread+0x587/0xd30 [ 1840.283861][ T1167] kthread+0x28a/0x350 [ 1840.283861][ T1167] ret_from_fork+0x31/0x70 [ 1840.283861][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1840.283861][ T1167] [ 1840.286110][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1840.286110][ T1167] netdev_get_by_index+0x5e/0x80 [ 1840.286110][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1840.286110][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1840.286110][ T1167] ip6_route_add+0x1c/0x140 [ 1840.286110][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1840.286110][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1840.286110][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1840.286110][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1840.286110][ T1167] netlink_rcv_skb+0x130/0x360 [ 1840.286110][ T1167] netlink_unicast+0x449/0x710 [ 1840.286110][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1840.286110][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1840.286110][ T1167] ___sys_sendmsg+0xee/0x170 [ 1840.286110][ T1167] __sys_sendmsg+0xcd/0x170 [ 1840.286110][ T1167] do_syscall_64+0xc6/0x1e0 [ 1840.286110][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1840.286110][ T1167] [ 1840.288541][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1840.288541][ T1167] netdev_get_by_index+0x5e/0x80 [ 1840.288541][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1840.288541][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1840.288541][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1840.288541][ T1167] ipv6_add_addr+0x411/0x2000 [ 1840.288541][ T1167] inet6_addr_add+0x30e/0xa40 [ 1840.288541][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1840.288541][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1840.288541][ T1167] netlink_rcv_skb+0x130/0x360 [ 1840.288541][ T1167] netlink_unicast+0x449/0x710 [ 1840.288541][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1840.288541][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1840.288541][ T1167] ___sys_sendmsg+0xee/0x170 [ 1840.288541][ T1167] __sys_sendmsg+0xcd/0x170 [ 1840.288541][ T1167] do_syscall_64+0xc6/0x1e0 [ 1840.288541][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1840.288541][ T1167] [ 1840.291995][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1840.291995][ T1167] netdev_get_by_index+0x5e/0x80 [ 1840.291995][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1840.291995][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1840.291995][ T1167] ip6_route_add+0x1c/0x140 [ 1840.291995][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1840.291995][ T1167] addrconf_add_dev+0xe2/0x170 [ 1840.291995][ T1167] inet6_addr_add+0x12f/0xa40 [ 1840.291995][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1840.291995][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1840.291995][ T1167] netlink_rcv_skb+0x130/0x360 [ 1840.291995][ T1167] netlink_unicast+0x449/0x710 [ 1840.291995][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1840.291995][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1840.291995][ T1167] ___sys_sendmsg+0xee/0x170 [ 1840.291995][ T1167] __sys_sendmsg+0xcd/0x170 [ 1840.291995][ T1167] do_syscall_64+0xc6/0x1e0 [ 1840.291995][ T1167] [ 1840.295498][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1840.295498][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1840.295498][ T1167] ipv6_find_idev+0x102/0x170 [ 1840.295498][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1840.295498][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1840.295498][ T1167] netlink_rcv_skb+0x130/0x360 [ 1840.295498][ T1167] netlink_unicast+0x449/0x710 [ 1840.295498][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1840.295498][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1840.295498][ T1167] ___sys_sendmsg+0xee/0x170 [ 1840.295498][ T1167] __sys_sendmsg+0xcd/0x170 [ 1840.295498][ T1167] do_syscall_64+0xc6/0x1e0 [ 1840.295498][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1840.295498][ T1167] [ 1840.298247][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1840.298247][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1840.298247][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1840.298247][ T1167] ipv6_find_idev+0x102/0x170 [ 1840.298247][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1840.298247][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1840.298247][ T1167] netlink_rcv_skb+0x130/0x360 [ 1840.298247][ T1167] netlink_unicast+0x449/0x710 [ 1840.298247][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1840.298247][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1840.298247][ T1167] ___sys_sendmsg+0xee/0x170 [ 1840.298247][ T1167] __sys_sendmsg+0xcd/0x170 [ 1840.298247][ T1167] do_syscall_64+0xc6/0x1e0 [ 1840.298247][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1840.298247][ T1167] [ 1843.929121][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1843.929512][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1843.929512][ T10] netdev_get_by_index+0x5e/0x80 [ 1843.929512][ T10] fib6_nh_init+0x3d8/0x1580 [ 1843.929512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1843.929512][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1843.929512][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1843.929512][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1843.929512][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1843.929512][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1843.929512][ T10] addrconf_dad_begin+0x310/0x670 [ 1843.929512][ T10] addrconf_dad_work+0x10b/0xab0 [ 1843.929512][ T10] process_one_work+0x84d/0x18a0 [ 1843.929512][ T10] worker_thread+0x587/0xd30 [ 1843.929512][ T10] kthread+0x28a/0x350 [ 1843.929512][ T10] ret_from_fork+0x31/0x70 [ 1843.929512][ T10] ret_from_fork_asm+0x1a/0x30 [ 1843.929512][ T10] [ 1843.931610][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1843.931610][ T10] netdev_get_by_index+0x5e/0x80 [ 1843.931610][ T10] fib6_nh_init+0x3d8/0x1580 [ 1843.931610][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1843.931610][ T10] ip6_route_add+0x1c/0x140 [ 1843.931610][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1843.931610][ T10] inet6_addr_add+0x4f8/0xa40 [ 1843.931610][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1843.931610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.931610][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.931610][ T10] netlink_unicast+0x449/0x710 [ 1843.931610][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.931610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.931610][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.931610][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.931610][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.931610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.931610][ T10] [ 1843.933606][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1843.933606][ T10] netdev_get_by_index+0x5e/0x80 [ 1843.933606][ T10] fib6_nh_init+0x3d8/0x1580 [ 1843.933606][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1843.933606][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1843.933606][ T10] ipv6_add_addr+0x411/0x2000 [ 1843.933606][ T10] inet6_addr_add+0x30e/0xa40 [ 1843.933606][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1843.933606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.933606][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.933606][ T10] netlink_unicast+0x449/0x710 [ 1843.933606][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.933606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.933606][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.933606][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.933606][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.933606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.933606][ T10] [ 1843.935591][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1843.935591][ T10] netdev_get_by_index+0x5e/0x80 [ 1843.935591][ T10] fib6_nh_init+0x3d8/0x1580 [ 1843.935591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1843.935591][ T10] ip6_route_add+0x1c/0x140 [ 1843.935591][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1843.935591][ T10] addrconf_add_dev+0xe2/0x170 [ 1843.935591][ T10] inet6_addr_add+0x12f/0xa40 [ 1843.935591][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1843.935591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.935591][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.935591][ T10] netlink_unicast+0x449/0x710 [ 1843.935591][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.935591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.935591][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.935591][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.935591][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.935591][ T10] [ 1843.937549][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1843.937549][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1843.937549][ T10] ipv6_find_idev+0x102/0x170 [ 1843.937549][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1843.937549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.937549][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.937549][ T10] netlink_unicast+0x449/0x710 [ 1843.937549][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.937549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.937549][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.937549][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.937549][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.937549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.937549][ T10] [ 1843.939073][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1843.939073][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1843.939073][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1843.939073][ T10] ipv6_find_idev+0x102/0x170 [ 1843.939073][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1843.939073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.939073][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.939073][ T10] netlink_unicast+0x449/0x710 [ 1843.939073][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.939073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.939073][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.939073][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.939073][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.939073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.939073][ T10] [ 1843.940784][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1843.941033][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1843.941033][ T10] netdev_get_by_index+0x5e/0x80 [ 1843.941033][ T10] fib6_nh_init+0x3d8/0x1580 [ 1843.941033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1843.941033][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1843.941033][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1843.941033][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1843.941033][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1843.941033][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1843.941033][ T10] addrconf_dad_begin+0x310/0x670 [ 1843.941033][ T10] addrconf_dad_work+0x10b/0xab0 [ 1843.941033][ T10] process_one_work+0x84d/0x18a0 [ 1843.941033][ T10] worker_thread+0x587/0xd30 [ 1843.941033][ T10] kthread+0x28a/0x350 [ 1843.941033][ T10] ret_from_fork+0x31/0x70 [ 1843.941033][ T10] ret_from_fork_asm+0x1a/0x30 [ 1843.941033][ T10] [ 1843.942932][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1843.942932][ T10] netdev_get_by_index+0x5e/0x80 [ 1843.942932][ T10] fib6_nh_init+0x3d8/0x1580 [ 1843.942932][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1843.942932][ T10] ip6_route_add+0x1c/0x140 [ 1843.942932][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1843.942932][ T10] inet6_addr_add+0x4f8/0xa40 [ 1843.942932][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1843.942932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.942932][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.942932][ T10] netlink_unicast+0x449/0x710 [ 1843.942932][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.942932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.942932][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.942932][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.942932][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.942932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.942932][ T10] [ 1843.944938][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1843.944938][ T10] netdev_get_by_index+0x5e/0x80 [ 1843.944938][ T10] fib6_nh_init+0x3d8/0x1580 [ 1843.944938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1843.944938][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1843.944938][ T10] ipv6_add_addr+0x411/0x2000 [ 1843.944938][ T10] inet6_addr_add+0x30e/0xa40 [ 1843.944938][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1843.944938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.944938][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.944938][ T10] netlink_unicast+0x449/0x710 [ 1843.944938][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.944938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.944938][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.944938][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.944938][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.944938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.944938][ T10] [ 1843.946963][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1843.946963][ T10] netdev_get_by_index+0x5e/0x80 [ 1843.946963][ T10] fib6_nh_init+0x3d8/0x1580 [ 1843.946963][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1843.946963][ T10] ip6_route_add+0x1c/0x140 [ 1843.946963][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1843.946963][ T10] addrconf_add_dev+0xe2/0x170 [ 1843.946963][ T10] inet6_addr_add+0x12f/0xa40 [ 1843.946963][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1843.946963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.946963][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.946963][ T10] netlink_unicast+0x449/0x710 [ 1843.946963][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.946963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.946963][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.946963][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.946963][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.946963][ T10] [ 1843.948923][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1843.948923][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1843.948923][ T10] ipv6_find_idev+0x102/0x170 [ 1843.948923][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1843.948923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.948923][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.948923][ T10] netlink_unicast+0x449/0x710 [ 1843.948923][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.948923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.948923][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.948923][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.948923][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.948923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.948923][ T10] [ 1843.950484][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1843.950484][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1843.950484][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1843.950484][ T10] ipv6_find_idev+0x102/0x170 [ 1843.950484][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1843.950484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.950484][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.950484][ T10] netlink_unicast+0x449/0x710 [ 1843.950484][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.950484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.950484][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.950484][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.950484][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.950484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.950484][ T10] [ 1843.952165][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1843.952414][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1843.952414][ T10] netdev_get_by_index+0x5e/0x80 [ 1843.952414][ T10] fib6_nh_init+0x3d8/0x1580 [ 1843.952414][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1843.952414][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1843.952414][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1843.952414][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1843.952414][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1843.952414][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1843.952414][ T10] addrconf_dad_begin+0x310/0x670 [ 1843.952414][ T10] addrconf_dad_work+0x10b/0xab0 [ 1843.952414][ T10] process_one_work+0x84d/0x18a0 [ 1843.952414][ T10] worker_thread+0x587/0xd30 [ 1843.952414][ T10] kthread+0x28a/0x350 [ 1843.952414][ T10] ret_from_fork+0x31/0x70 [ 1843.952414][ T10] ret_from_fork_asm+0x1a/0x30 [ 1843.952414][ T10] [ 1843.954315][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1843.954315][ T10] netdev_get_by_index+0x5e/0x80 [ 1843.954315][ T10] fib6_nh_init+0x3d8/0x1580 [ 1843.954315][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1843.954315][ T10] ip6_route_add+0x1c/0x140 [ 1843.954315][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1843.954315][ T10] inet6_addr_add+0x4f8/0xa40 [ 1843.954315][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1843.954315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.954315][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.954315][ T10] netlink_unicast+0x449/0x710 [ 1843.954315][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.954315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.954315][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.954315][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.954315][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.954315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.954315][ T10] [ 1843.956489][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1843.956489][ T10] netdev_get_by_index+0x5e/0x80 [ 1843.956489][ T10] fib6_nh_init+0x3d8/0x1580 [ 1843.956489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1843.956489][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1843.956489][ T10] ipv6_add_addr+0x411/0x2000 [ 1843.956489][ T10] inet6_addr_add+0x30e/0xa40 [ 1843.956489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1843.956489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.956489][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.956489][ T10] netlink_unicast+0x449/0x710 [ 1843.956489][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.956489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.956489][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.956489][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.956489][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.956489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.956489][ T10] [ 1843.958725][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1843.958725][ T10] netdev_get_by_index+0x5e/0x80 [ 1843.958725][ T10] fib6_nh_init+0x3d8/0x1580 [ 1843.958725][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1843.958725][ T10] ip6_route_add+0x1c/0x140 [ 1843.958725][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1843.958725][ T10] addrconf_add_dev+0xe2/0x170 [ 1843.958725][ T10] inet6_addr_add+0x12f/0xa40 [ 1843.958725][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1843.958725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.958725][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.958725][ T10] netlink_unicast+0x449/0x710 [ 1843.958725][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.958725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.958725][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.958725][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.958725][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.958725][ T10] [ 1843.960933][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1843.960933][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1843.960933][ T10] ipv6_find_idev+0x102/0x170 [ 1843.960933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1843.960933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.960933][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.960933][ T10] netlink_unicast+0x449/0x710 [ 1843.960933][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.960933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.960933][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.960933][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.960933][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.960933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.960933][ T10] [ 1843.962709][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1843.962709][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1843.962709][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1843.962709][ T10] ipv6_find_idev+0x102/0x170 [ 1843.962709][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1843.962709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.962709][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.962709][ T10] netlink_unicast+0x449/0x710 [ 1843.962709][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.962709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.962709][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.962709][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.962709][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.962709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.962709][ T10] [ 1843.964574][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1843.964810][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1843.964810][ T10] netdev_get_by_index+0x5e/0x80 [ 1843.964810][ T10] fib6_nh_init+0x3d8/0x1580 [ 1843.964810][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1843.964810][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1843.964810][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1843.964810][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1843.964810][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1843.964810][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1843.964810][ T10] addrconf_dad_begin+0x310/0x670 [ 1843.964810][ T10] addrconf_dad_work+0x10b/0xab0 [ 1843.964810][ T10] process_one_work+0x84d/0x18a0 [ 1843.964810][ T10] worker_thread+0x587/0xd30 [ 1843.964810][ T10] kthread+0x28a/0x350 [ 1843.964810][ T10] ret_from_fork+0x31/0x70 [ 1843.964810][ T10] ret_from_fork_asm+0x1a/0x30 [ 1843.964810][ T10] [ 1843.966948][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1843.966948][ T10] netdev_get_by_index+0x5e/0x80 [ 1843.966948][ T10] fib6_nh_init+0x3d8/0x1580 [ 1843.966948][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1843.966948][ T10] ip6_route_add+0x1c/0x140 [ 1843.966948][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1843.966948][ T10] inet6_addr_add+0x4f8/0xa40 [ 1843.966948][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1843.966948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.966948][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.966948][ T10] netlink_unicast+0x449/0x710 [ 1843.966948][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.966948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.966948][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.966948][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.966948][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.966948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.966948][ T10] [ 1843.969169][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1843.969169][ T10] netdev_get_by_index+0x5e/0x80 [ 1843.969169][ T10] fib6_nh_init+0x3d8/0x1580 [ 1843.969169][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1843.969169][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1843.969169][ T10] ipv6_add_addr+0x411/0x2000 [ 1843.969169][ T10] inet6_addr_add+0x30e/0xa40 [ 1843.969169][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1843.969169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.969169][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.969169][ T10] netlink_unicast+0x449/0x710 [ 1843.969169][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.969169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.969169][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.969169][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.969169][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.969169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.969169][ T10] [ 1843.971470][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1843.971470][ T10] netdev_get_by_index+0x5e/0x80 [ 1843.971470][ T10] fib6_nh_init+0x3d8/0x1580 [ 1843.971470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1843.971470][ T10] ip6_route_add+0x1c/0x140 [ 1843.971470][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1843.971470][ T10] addrconf_add_dev+0xe2/0x170 [ 1843.971470][ T10] inet6_addr_add+0x12f/0xa40 [ 1843.971470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1843.971470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.971470][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.971470][ T10] netlink_unicast+0x449/0x710 [ 1843.971470][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.971470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.971470][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.971470][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.971470][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.971470][ T10] [ 1843.973605][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1843.973605][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1843.973605][ T10] ipv6_find_idev+0x102/0x170 [ 1843.973605][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1843.973605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.973605][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.973605][ T10] netlink_unicast+0x449/0x710 [ 1843.973605][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.973605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.973605][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.973605][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.973605][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.973605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.973605][ T10] [ 1843.975317][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1843.975317][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1843.975317][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1843.975317][ T10] ipv6_find_idev+0x102/0x170 [ 1843.975317][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1843.975317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.975317][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.975317][ T10] netlink_unicast+0x449/0x710 [ 1843.975317][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.975317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.975317][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.975317][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.975317][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.975317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.975317][ T10] [ 1850.537127][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1850.537765][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1850.537765][ T1167] dst_init+0x84/0x4a0 [ 1850.537765][ T1167] dst_alloc+0x97/0x150 [ 1850.537765][ T1167] ip6_dst_alloc+0x23/0x90 [ 1850.537765][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1850.537765][ T1167] ip6_pol_route+0x56f/0x840 [ 1850.537765][ T1167] fib6_rule_lookup+0x334/0x630 [ 1850.537765][ T1167] ip6_route_output_flags+0x259/0x480 [ 1850.537765][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1850.537765][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1850.537765][ T1167] netlink_rcv_skb+0x130/0x360 [ 1850.537765][ T1167] netlink_unicast+0x449/0x710 [ 1850.537765][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1850.537765][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1850.537765][ T1167] ___sys_sendmsg+0xee/0x170 [ 1850.537765][ T1167] __sys_sendmsg+0xcd/0x170 [ 1850.537765][ T1167] do_syscall_64+0xc6/0x1e0 [ 1850.537765][ T1167] [ 1850.541268][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1850.541268][ T1167] netdev_get_by_index+0x5e/0x80 [ 1850.541268][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1850.541268][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1850.541268][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1850.541268][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1850.541268][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1850.541268][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1850.541268][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1850.541268][ T1167] addrconf_dad_begin+0x310/0x670 [ 1850.541268][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1850.541268][ T1167] process_one_work+0x84d/0x18a0 [ 1850.541268][ T1167] worker_thread+0x587/0xd30 [ 1850.541268][ T1167] kthread+0x28a/0x350 [ 1850.541268][ T1167] ret_from_fork+0x31/0x70 [ 1850.541268][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1850.541268][ T1167] [ 1850.544583][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1850.544583][ T1167] netdev_get_by_index+0x5e/0x80 [ 1850.544583][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1850.544583][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1850.544583][ T1167] ip6_route_add+0x1c/0x140 [ 1850.544583][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1850.544583][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1850.544583][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1850.544583][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1850.544583][ T1167] netlink_rcv_skb+0x130/0x360 [ 1850.544583][ T1167] netlink_unicast+0x449/0x710 [ 1850.544583][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1850.544583][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1850.544583][ T1167] ___sys_sendmsg+0xee/0x170 [ 1850.544583][ T1167] __sys_sendmsg+0xcd/0x170 [ 1850.544583][ T1167] do_syscall_64+0xc6/0x1e0 [ 1850.544583][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1850.544583][ T1167] [ 1850.548049][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1850.548049][ T1167] netdev_get_by_index+0x5e/0x80 [ 1850.548049][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1850.548049][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1850.548049][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1850.548049][ T1167] ipv6_add_addr+0x411/0x2000 [ 1850.548049][ T1167] inet6_addr_add+0x30e/0xa40 [ 1850.548049][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1850.548049][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1850.548049][ T1167] netlink_rcv_skb+0x130/0x360 [ 1850.548049][ T1167] netlink_unicast+0x449/0x710 [ 1850.548049][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1850.548049][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1850.548049][ T1167] ___sys_sendmsg+0xee/0x170 [ 1850.548049][ T1167] __sys_sendmsg+0xcd/0x170 [ 1850.548049][ T1167] do_syscall_64+0xc6/0x1e0 [ 1850.548049][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1850.548049][ T1167] [ 1850.551508][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1850.551508][ T1167] netdev_get_by_index+0x5e/0x80 [ 1850.551508][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1850.551508][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1850.551508][ T1167] ip6_route_add+0x1c/0x140 [ 1850.551508][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1850.551508][ T1167] addrconf_add_dev+0xe2/0x170 [ 1850.551508][ T1167] inet6_addr_add+0x12f/0xa40 [ 1850.551508][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1850.551508][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1850.551508][ T1167] netlink_rcv_skb+0x130/0x360 [ 1850.551508][ T1167] netlink_unicast+0x449/0x710 [ 1850.551508][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1850.551508][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1850.551508][ T1167] ___sys_sendmsg+0xee/0x170 [ 1850.551508][ T1167] __sys_sendmsg+0xcd/0x170 [ 1850.551508][ T1167] do_syscall_64+0xc6/0x1e0 [ 1850.551508][ T1167] [ 1850.554823][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1850.554823][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1850.554823][ T1167] ipv6_find_idev+0x102/0x170 [ 1850.554823][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1850.554823][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1850.554823][ T1167] netlink_rcv_skb+0x130/0x360 [ 1850.554823][ T1167] netlink_unicast+0x449/0x710 [ 1850.554823][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1850.554823][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1850.554823][ T1167] ___sys_sendmsg+0xee/0x170 [ 1850.554823][ T1167] __sys_sendmsg+0xcd/0x170 [ 1850.554823][ T1167] do_syscall_64+0xc6/0x1e0 [ 1850.554823][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1850.554823][ T1167] [ 1850.557548][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1850.557548][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1850.557548][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1850.557548][ T1167] ipv6_find_idev+0x102/0x170 [ 1850.557548][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1850.557548][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1850.557548][ T1167] netlink_rcv_skb+0x130/0x360 [ 1850.557548][ T1167] netlink_unicast+0x449/0x710 [ 1850.557548][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1850.557548][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1850.557548][ T1167] ___sys_sendmsg+0xee/0x170 [ 1850.557548][ T1167] __sys_sendmsg+0xcd/0x170 [ 1850.557548][ T1167] do_syscall_64+0xc6/0x1e0 [ 1850.557548][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1850.557548][ T1167] [ 1854.225162][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1854.225553][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1854.225553][ T10] netdev_get_by_index+0x5e/0x80 [ 1854.225553][ T10] fib6_nh_init+0x3d8/0x1580 [ 1854.225553][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1854.225553][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1854.225553][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1854.225553][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1854.225553][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1854.225553][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1854.225553][ T10] addrconf_dad_begin+0x310/0x670 [ 1854.225553][ T10] addrconf_dad_work+0x10b/0xab0 [ 1854.225553][ T10] process_one_work+0x84d/0x18a0 [ 1854.225553][ T10] worker_thread+0x587/0xd30 [ 1854.225553][ T10] kthread+0x28a/0x350 [ 1854.225553][ T10] ret_from_fork+0x31/0x70 [ 1854.225553][ T10] ret_from_fork_asm+0x1a/0x30 [ 1854.225553][ T10] [ 1854.227471][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1854.227471][ T10] netdev_get_by_index+0x5e/0x80 [ 1854.227471][ T10] fib6_nh_init+0x3d8/0x1580 [ 1854.227471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1854.227471][ T10] ip6_route_add+0x1c/0x140 [ 1854.227471][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1854.227471][ T10] inet6_addr_add+0x4f8/0xa40 [ 1854.227471][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1854.227471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.227471][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.227471][ T10] netlink_unicast+0x449/0x710 [ 1854.227471][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.227471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.227471][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.227471][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.227471][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.227471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.227471][ T10] [ 1854.229471][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1854.229471][ T10] netdev_get_by_index+0x5e/0x80 [ 1854.229471][ T10] fib6_nh_init+0x3d8/0x1580 [ 1854.229471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1854.229471][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1854.229471][ T10] ipv6_add_addr+0x411/0x2000 [ 1854.229471][ T10] inet6_addr_add+0x30e/0xa40 [ 1854.229471][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1854.229471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.229471][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.229471][ T10] netlink_unicast+0x449/0x710 [ 1854.229471][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.229471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.229471][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.229471][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.229471][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.229471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.229471][ T10] [ 1854.231454][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1854.231454][ T10] netdev_get_by_index+0x5e/0x80 [ 1854.231454][ T10] fib6_nh_init+0x3d8/0x1580 [ 1854.231454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1854.231454][ T10] ip6_route_add+0x1c/0x140 [ 1854.231454][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1854.231454][ T10] addrconf_add_dev+0xe2/0x170 [ 1854.231454][ T10] inet6_addr_add+0x12f/0xa40 [ 1854.231454][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1854.231454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.231454][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.231454][ T10] netlink_unicast+0x449/0x710 [ 1854.231454][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.231454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.231454][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.231454][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.231454][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.231454][ T10] [ 1854.233413][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1854.233413][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1854.233413][ T10] ipv6_find_idev+0x102/0x170 [ 1854.233413][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1854.233413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.233413][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.233413][ T10] netlink_unicast+0x449/0x710 [ 1854.233413][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.233413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.233413][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.233413][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.233413][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.233413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.233413][ T10] [ 1854.234956][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1854.234956][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1854.234956][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1854.234956][ T10] ipv6_find_idev+0x102/0x170 [ 1854.234956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1854.234956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.234956][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.234956][ T10] netlink_unicast+0x449/0x710 [ 1854.234956][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.234956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.234956][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.234956][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.234956][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.234956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.234956][ T10] [ 1854.236647][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1854.236889][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1854.236889][ T10] netdev_get_by_index+0x5e/0x80 [ 1854.236889][ T10] fib6_nh_init+0x3d8/0x1580 [ 1854.236889][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1854.236889][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1854.236889][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1854.236889][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1854.236889][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1854.236889][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1854.236889][ T10] addrconf_dad_begin+0x310/0x670 [ 1854.236889][ T10] addrconf_dad_work+0x10b/0xab0 [ 1854.236889][ T10] process_one_work+0x84d/0x18a0 [ 1854.236889][ T10] worker_thread+0x587/0xd30 [ 1854.236889][ T10] kthread+0x28a/0x350 [ 1854.236889][ T10] ret_from_fork+0x31/0x70 [ 1854.236889][ T10] ret_from_fork_asm+0x1a/0x30 [ 1854.236889][ T10] [ 1854.238781][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1854.238781][ T10] netdev_get_by_index+0x5e/0x80 [ 1854.238781][ T10] fib6_nh_init+0x3d8/0x1580 [ 1854.238781][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1854.238781][ T10] ip6_route_add+0x1c/0x140 [ 1854.238781][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1854.238781][ T10] inet6_addr_add+0x4f8/0xa40 [ 1854.238781][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1854.238781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.238781][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.238781][ T10] netlink_unicast+0x449/0x710 [ 1854.238781][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.238781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.238781][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.238781][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.238781][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.238781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.238781][ T10] [ 1854.240763][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1854.240763][ T10] netdev_get_by_index+0x5e/0x80 [ 1854.240763][ T10] fib6_nh_init+0x3d8/0x1580 [ 1854.240763][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1854.240763][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1854.240763][ T10] ipv6_add_addr+0x411/0x2000 [ 1854.240763][ T10] inet6_addr_add+0x30e/0xa40 [ 1854.240763][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1854.240763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.240763][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.240763][ T10] netlink_unicast+0x449/0x710 [ 1854.240763][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.240763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.240763][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.240763][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.240763][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.240763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.240763][ T10] [ 1854.242747][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1854.242747][ T10] netdev_get_by_index+0x5e/0x80 [ 1854.242747][ T10] fib6_nh_init+0x3d8/0x1580 [ 1854.242747][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1854.242747][ T10] ip6_route_add+0x1c/0x140 [ 1854.242747][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1854.242747][ T10] addrconf_add_dev+0xe2/0x170 [ 1854.242747][ T10] inet6_addr_add+0x12f/0xa40 [ 1854.242747][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1854.242747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.242747][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.242747][ T10] netlink_unicast+0x449/0x710 [ 1854.242747][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.242747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.242747][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.242747][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.242747][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.242747][ T10] [ 1854.244704][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1854.244704][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1854.244704][ T10] ipv6_find_idev+0x102/0x170 [ 1854.244704][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1854.244704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.244704][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.244704][ T10] netlink_unicast+0x449/0x710 [ 1854.244704][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.244704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.244704][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.244704][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.244704][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.244704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.244704][ T10] [ 1854.246230][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1854.246230][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1854.246230][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1854.246230][ T10] ipv6_find_idev+0x102/0x170 [ 1854.246230][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1854.246230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.246230][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.246230][ T10] netlink_unicast+0x449/0x710 [ 1854.246230][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.246230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.246230][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.246230][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.246230][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.246230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.246230][ T10] [ 1854.247897][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1854.248145][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1854.248145][ T10] netdev_get_by_index+0x5e/0x80 [ 1854.248145][ T10] fib6_nh_init+0x3d8/0x1580 [ 1854.248145][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1854.248145][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1854.248145][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1854.248145][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1854.248145][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1854.248145][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1854.248145][ T10] addrconf_dad_begin+0x310/0x670 [ 1854.248145][ T10] addrconf_dad_work+0x10b/0xab0 [ 1854.248145][ T10] process_one_work+0x84d/0x18a0 [ 1854.248145][ T10] worker_thread+0x587/0xd30 [ 1854.248145][ T10] kthread+0x28a/0x350 [ 1854.248145][ T10] ret_from_fork+0x31/0x70 [ 1854.248145][ T10] ret_from_fork_asm+0x1a/0x30 [ 1854.248145][ T10] [ 1854.250050][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1854.250050][ T10] netdev_get_by_index+0x5e/0x80 [ 1854.250050][ T10] fib6_nh_init+0x3d8/0x1580 [ 1854.250050][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1854.250050][ T10] ip6_route_add+0x1c/0x140 [ 1854.250050][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1854.250050][ T10] inet6_addr_add+0x4f8/0xa40 [ 1854.250050][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1854.250050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.250050][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.250050][ T10] netlink_unicast+0x449/0x710 [ 1854.250050][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.250050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.250050][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.250050][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.250050][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.250050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.250050][ T10] [ 1854.252224][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1854.252224][ T10] netdev_get_by_index+0x5e/0x80 [ 1854.252224][ T10] fib6_nh_init+0x3d8/0x1580 [ 1854.252224][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1854.252224][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1854.252224][ T10] ipv6_add_addr+0x411/0x2000 [ 1854.252224][ T10] inet6_addr_add+0x30e/0xa40 [ 1854.252224][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1854.252224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.252224][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.252224][ T10] netlink_unicast+0x449/0x710 [ 1854.252224][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.252224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.252224][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.252224][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.252224][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.252224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.252224][ T10] [ 1854.254443][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1854.254443][ T10] netdev_get_by_index+0x5e/0x80 [ 1854.254443][ T10] fib6_nh_init+0x3d8/0x1580 [ 1854.254443][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1854.254443][ T10] ip6_route_add+0x1c/0x140 [ 1854.254443][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1854.254443][ T10] addrconf_add_dev+0xe2/0x170 [ 1854.254443][ T10] inet6_addr_add+0x12f/0xa40 [ 1854.254443][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1854.254443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.254443][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.254443][ T10] netlink_unicast+0x449/0x710 [ 1854.254443][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.254443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.254443][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.254443][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.254443][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.254443][ T10] [ 1854.256997][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1854.256997][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1854.256997][ T10] ipv6_find_idev+0x102/0x170 [ 1854.256997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1854.256997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.256997][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.256997][ T10] netlink_unicast+0x449/0x710 [ 1854.256997][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.256997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.256997][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.256997][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.256997][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.256997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.256997][ T10] [ 1854.259677][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1854.259677][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1854.259677][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1854.259677][ T10] ipv6_find_idev+0x102/0x170 [ 1854.259677][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1854.259677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.259677][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.259677][ T10] netlink_unicast+0x449/0x710 [ 1854.259677][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.259677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.259677][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.259677][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.259677][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.259677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.259677][ T10] [ 1854.262626][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1854.263009][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1854.263009][ T10] netdev_get_by_index+0x5e/0x80 [ 1854.263009][ T10] fib6_nh_init+0x3d8/0x1580 [ 1854.263009][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1854.263009][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1854.263009][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1854.263009][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1854.263009][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1854.263009][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1854.263009][ T10] addrconf_dad_begin+0x310/0x670 [ 1854.263009][ T10] addrconf_dad_work+0x10b/0xab0 [ 1854.263009][ T10] process_one_work+0x84d/0x18a0 [ 1854.263009][ T10] worker_thread+0x587/0xd30 [ 1854.263009][ T10] kthread+0x28a/0x350 [ 1854.263009][ T10] ret_from_fork+0x31/0x70 [ 1854.263009][ T10] ret_from_fork_asm+0x1a/0x30 [ 1854.263009][ T10] [ 1854.266396][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1854.266396][ T10] netdev_get_by_index+0x5e/0x80 [ 1854.266396][ T10] fib6_nh_init+0x3d8/0x1580 [ 1854.266396][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1854.266396][ T10] ip6_route_add+0x1c/0x140 [ 1854.266396][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1854.266396][ T10] inet6_addr_add+0x4f8/0xa40 [ 1854.266396][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1854.266396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.266396][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.266396][ T10] netlink_unicast+0x449/0x710 [ 1854.266396][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.266396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.266396][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.266396][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.266396][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.266396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.266396][ T10] [ 1854.270054][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1854.270054][ T10] netdev_get_by_index+0x5e/0x80 [ 1854.270054][ T10] fib6_nh_init+0x3d8/0x1580 [ 1854.270054][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1854.270054][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1854.270054][ T10] ipv6_add_addr+0x411/0x2000 [ 1854.270054][ T10] inet6_addr_add+0x30e/0xa40 [ 1854.270054][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1854.270054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.270054][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.270054][ T10] netlink_unicast+0x449/0x710 [ 1854.270054][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.270054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.270054][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.270054][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.270054][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.270054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.270054][ T10] [ 1854.273581][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1854.273581][ T10] netdev_get_by_index+0x5e/0x80 [ 1854.273581][ T10] fib6_nh_init+0x3d8/0x1580 [ 1854.273581][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1854.273581][ T10] ip6_route_add+0x1c/0x140 [ 1854.273581][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1854.273581][ T10] addrconf_add_dev+0xe2/0x170 [ 1854.273581][ T10] inet6_addr_add+0x12f/0xa40 [ 1854.273581][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1854.273581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.273581][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.273581][ T10] netlink_unicast+0x449/0x710 [ 1854.273581][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.273581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.273581][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.273581][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.273581][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.273581][ T10] [ 1854.276879][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1854.276879][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1854.276879][ T10] ipv6_find_idev+0x102/0x170 [ 1854.276879][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1854.276879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.276879][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.276879][ T10] netlink_unicast+0x449/0x710 [ 1854.276879][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.276879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.276879][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.276879][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.276879][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.276879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.276879][ T10] [ 1854.279498][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1854.279498][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1854.279498][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1854.279498][ T10] ipv6_find_idev+0x102/0x170 [ 1854.279498][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1854.279498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.279498][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.279498][ T10] netlink_unicast+0x449/0x710 [ 1854.279498][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.279498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.279498][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.279498][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.279498][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.279498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.279498][ T10] [ 1860.697134][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1860.698186][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1860.698186][ T1167] dst_init+0x84/0x4a0 [ 1860.698186][ T1167] dst_alloc+0x97/0x150 [ 1860.698186][ T1167] ip6_dst_alloc+0x23/0x90 [ 1860.698186][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1860.698186][ T1167] ip6_pol_route+0x56f/0x840 [ 1860.698186][ T1167] fib6_rule_lookup+0x334/0x630 [ 1860.698186][ T1167] ip6_route_output_flags+0x259/0x480 [ 1860.698186][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1860.698186][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1860.698186][ T1167] netlink_rcv_skb+0x130/0x360 [ 1860.698186][ T1167] netlink_unicast+0x449/0x710 [ 1860.698186][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1860.698186][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1860.698186][ T1167] ___sys_sendmsg+0xee/0x170 [ 1860.698186][ T1167] __sys_sendmsg+0xcd/0x170 [ 1860.698186][ T1167] do_syscall_64+0xc6/0x1e0 [ 1860.698186][ T1167] [ 1860.700475][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1860.700475][ T1167] netdev_get_by_index+0x5e/0x80 [ 1860.700475][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1860.700475][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1860.700475][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1860.700475][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1860.700475][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1860.700475][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1860.700475][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1860.700475][ T1167] addrconf_dad_begin+0x310/0x670 [ 1860.700475][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1860.700475][ T1167] process_one_work+0x84d/0x18a0 [ 1860.700475][ T1167] worker_thread+0x587/0xd30 [ 1860.700475][ T1167] kthread+0x28a/0x350 [ 1860.700475][ T1167] ret_from_fork+0x31/0x70 [ 1860.700475][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1860.700475][ T1167] [ 1860.702640][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1860.702640][ T1167] netdev_get_by_index+0x5e/0x80 [ 1860.702640][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1860.702640][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1860.702640][ T1167] ip6_route_add+0x1c/0x140 [ 1860.702640][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1860.702640][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1860.702640][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1860.702640][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1860.702640][ T1167] netlink_rcv_skb+0x130/0x360 [ 1860.702640][ T1167] netlink_unicast+0x449/0x710 [ 1860.702640][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1860.702640][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1860.702640][ T1167] ___sys_sendmsg+0xee/0x170 [ 1860.702640][ T1167] __sys_sendmsg+0xcd/0x170 [ 1860.702640][ T1167] do_syscall_64+0xc6/0x1e0 [ 1860.702640][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1860.702640][ T1167] [ 1860.704888][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1860.704888][ T1167] netdev_get_by_index+0x5e/0x80 [ 1860.704888][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1860.704888][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1860.704888][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1860.704888][ T1167] ipv6_add_addr+0x411/0x2000 [ 1860.704888][ T1167] inet6_addr_add+0x30e/0xa40 [ 1860.704888][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1860.704888][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1860.704888][ T1167] netlink_rcv_skb+0x130/0x360 [ 1860.704888][ T1167] netlink_unicast+0x449/0x710 [ 1860.704888][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1860.704888][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1860.704888][ T1167] ___sys_sendmsg+0xee/0x170 [ 1860.704888][ T1167] __sys_sendmsg+0xcd/0x170 [ 1860.704888][ T1167] do_syscall_64+0xc6/0x1e0 [ 1860.704888][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1860.704888][ T1167] [ 1860.707197][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1860.707197][ T1167] netdev_get_by_index+0x5e/0x80 [ 1860.707197][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1860.707197][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1860.707197][ T1167] ip6_route_add+0x1c/0x140 [ 1860.707197][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1860.707197][ T1167] addrconf_add_dev+0xe2/0x170 [ 1860.707197][ T1167] inet6_addr_add+0x12f/0xa40 [ 1860.707197][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1860.707197][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1860.707197][ T1167] netlink_rcv_skb+0x130/0x360 [ 1860.707197][ T1167] netlink_unicast+0x449/0x710 [ 1860.707197][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1860.707197][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1860.707197][ T1167] ___sys_sendmsg+0xee/0x170 [ 1860.707197][ T1167] __sys_sendmsg+0xcd/0x170 [ 1860.707197][ T1167] do_syscall_64+0xc6/0x1e0 [ 1860.707197][ T1167] [ 1860.709416][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1860.709416][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1860.709416][ T1167] ipv6_find_idev+0x102/0x170 [ 1860.709416][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1860.709416][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1860.709416][ T1167] netlink_rcv_skb+0x130/0x360 [ 1860.709416][ T1167] netlink_unicast+0x449/0x710 [ 1860.709416][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1860.709416][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1860.709416][ T1167] ___sys_sendmsg+0xee/0x170 [ 1860.709416][ T1167] __sys_sendmsg+0xcd/0x170 [ 1860.709416][ T1167] do_syscall_64+0xc6/0x1e0 [ 1860.709416][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1860.709416][ T1167] [ 1860.711149][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1860.711149][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1860.711149][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1860.711149][ T1167] ipv6_find_idev+0x102/0x170 [ 1860.711149][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1860.711149][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1860.711149][ T1167] netlink_rcv_skb+0x130/0x360 [ 1860.711149][ T1167] netlink_unicast+0x449/0x710 [ 1860.711149][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1860.711149][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1860.711149][ T1167] ___sys_sendmsg+0xee/0x170 [ 1860.711149][ T1167] __sys_sendmsg+0xcd/0x170 [ 1860.711149][ T1167] do_syscall_64+0xc6/0x1e0 [ 1860.711149][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1860.711149][ T1167] [ 1864.537117][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1864.537570][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1864.537570][ T10] netdev_get_by_index+0x5e/0x80 [ 1864.537570][ T10] fib6_nh_init+0x3d8/0x1580 [ 1864.537570][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1864.537570][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1864.537570][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1864.537570][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1864.537570][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1864.537570][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1864.537570][ T10] addrconf_dad_begin+0x310/0x670 [ 1864.537570][ T10] addrconf_dad_work+0x10b/0xab0 [ 1864.537570][ T10] process_one_work+0x84d/0x18a0 [ 1864.537570][ T10] worker_thread+0x587/0xd30 [ 1864.537570][ T10] kthread+0x28a/0x350 [ 1864.537570][ T10] ret_from_fork+0x31/0x70 [ 1864.537570][ T10] ret_from_fork_asm+0x1a/0x30 [ 1864.537570][ T10] [ 1864.539529][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1864.539529][ T10] netdev_get_by_index+0x5e/0x80 [ 1864.539529][ T10] fib6_nh_init+0x3d8/0x1580 [ 1864.539529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1864.539529][ T10] ip6_route_add+0x1c/0x140 [ 1864.539529][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1864.539529][ T10] inet6_addr_add+0x4f8/0xa40 [ 1864.539529][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1864.539529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.539529][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.539529][ T10] netlink_unicast+0x449/0x710 [ 1864.539529][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.539529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.539529][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.539529][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.539529][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.539529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.539529][ T10] [ 1864.541515][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1864.541515][ T10] netdev_get_by_index+0x5e/0x80 [ 1864.541515][ T10] fib6_nh_init+0x3d8/0x1580 [ 1864.541515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1864.541515][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1864.541515][ T10] ipv6_add_addr+0x411/0x2000 [ 1864.541515][ T10] inet6_addr_add+0x30e/0xa40 [ 1864.541515][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1864.541515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.541515][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.541515][ T10] netlink_unicast+0x449/0x710 [ 1864.541515][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.541515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.541515][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.541515][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.541515][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.541515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.541515][ T10] [ 1864.543511][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1864.543511][ T10] netdev_get_by_index+0x5e/0x80 [ 1864.543511][ T10] fib6_nh_init+0x3d8/0x1580 [ 1864.543511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1864.543511][ T10] ip6_route_add+0x1c/0x140 [ 1864.543511][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1864.543511][ T10] addrconf_add_dev+0xe2/0x170 [ 1864.543511][ T10] inet6_addr_add+0x12f/0xa40 [ 1864.543511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1864.543511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.543511][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.543511][ T10] netlink_unicast+0x449/0x710 [ 1864.543511][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.543511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.543511][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.543511][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.543511][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.543511][ T10] [ 1864.545485][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1864.545485][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1864.545485][ T10] ipv6_find_idev+0x102/0x170 [ 1864.545485][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.545485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.545485][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.545485][ T10] netlink_unicast+0x449/0x710 [ 1864.545485][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.545485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.545485][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.545485][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.545485][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.545485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.545485][ T10] [ 1864.547014][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1864.547014][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1864.547014][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1864.547014][ T10] ipv6_find_idev+0x102/0x170 [ 1864.547014][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.547014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.547014][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.547014][ T10] netlink_unicast+0x449/0x710 [ 1864.547014][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.547014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.547014][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.547014][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.547014][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.547014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.547014][ T10] [ 1864.548722][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1864.548979][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1864.548979][ T10] netdev_get_by_index+0x5e/0x80 [ 1864.548979][ T10] fib6_nh_init+0x3d8/0x1580 [ 1864.548979][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1864.548979][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1864.548979][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1864.548979][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1864.548979][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1864.548979][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1864.548979][ T10] addrconf_dad_begin+0x310/0x670 [ 1864.548979][ T10] addrconf_dad_work+0x10b/0xab0 [ 1864.548979][ T10] process_one_work+0x84d/0x18a0 [ 1864.548979][ T10] worker_thread+0x587/0xd30 [ 1864.548979][ T10] kthread+0x28a/0x350 [ 1864.548979][ T10] ret_from_fork+0x31/0x70 [ 1864.548979][ T10] ret_from_fork_asm+0x1a/0x30 [ 1864.548979][ T10] [ 1864.550897][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1864.550897][ T10] netdev_get_by_index+0x5e/0x80 [ 1864.550897][ T10] fib6_nh_init+0x3d8/0x1580 [ 1864.550897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1864.550897][ T10] ip6_route_add+0x1c/0x140 [ 1864.550897][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1864.550897][ T10] inet6_addr_add+0x4f8/0xa40 [ 1864.550897][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1864.550897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.550897][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.550897][ T10] netlink_unicast+0x449/0x710 [ 1864.550897][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.550897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.550897][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.550897][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.550897][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.550897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.550897][ T10] [ 1864.553000][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1864.553000][ T10] netdev_get_by_index+0x5e/0x80 [ 1864.553000][ T10] fib6_nh_init+0x3d8/0x1580 [ 1864.553000][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1864.553000][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1864.553000][ T10] ipv6_add_addr+0x411/0x2000 [ 1864.553000][ T10] inet6_addr_add+0x30e/0xa40 [ 1864.553000][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1864.553000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.553000][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.553000][ T10] netlink_unicast+0x449/0x710 [ 1864.553000][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.553000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.553000][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.553000][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.553000][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.553000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.553000][ T10] [ 1864.555016][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1864.555016][ T10] netdev_get_by_index+0x5e/0x80 [ 1864.555016][ T10] fib6_nh_init+0x3d8/0x1580 [ 1864.555016][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1864.555016][ T10] ip6_route_add+0x1c/0x140 [ 1864.555016][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1864.555016][ T10] addrconf_add_dev+0xe2/0x170 [ 1864.555016][ T10] inet6_addr_add+0x12f/0xa40 [ 1864.555016][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1864.555016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.555016][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.555016][ T10] netlink_unicast+0x449/0x710 [ 1864.555016][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.555016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.555016][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.555016][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.555016][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.555016][ T10] [ 1864.556981][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1864.556981][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1864.556981][ T10] ipv6_find_idev+0x102/0x170 [ 1864.556981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.556981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.556981][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.556981][ T10] netlink_unicast+0x449/0x710 [ 1864.556981][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.556981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.556981][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.556981][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.556981][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.556981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.556981][ T10] [ 1864.558522][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1864.558522][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1864.558522][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1864.558522][ T10] ipv6_find_idev+0x102/0x170 [ 1864.558522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.558522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.558522][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.558522][ T10] netlink_unicast+0x449/0x710 [ 1864.558522][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.558522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.558522][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.558522][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.558522][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.558522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.558522][ T10] [ 1864.560215][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1864.560474][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1864.560474][ T10] netdev_get_by_index+0x5e/0x80 [ 1864.560474][ T10] fib6_nh_init+0x3d8/0x1580 [ 1864.560474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1864.560474][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1864.560474][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1864.560474][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1864.560474][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1864.560474][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1864.560474][ T10] addrconf_dad_begin+0x310/0x670 [ 1864.560474][ T10] addrconf_dad_work+0x10b/0xab0 [ 1864.560474][ T10] process_one_work+0x84d/0x18a0 [ 1864.560474][ T10] worker_thread+0x587/0xd30 [ 1864.560474][ T10] kthread+0x28a/0x350 [ 1864.560474][ T10] ret_from_fork+0x31/0x70 [ 1864.560474][ T10] ret_from_fork_asm+0x1a/0x30 [ 1864.560474][ T10] [ 1864.562376][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1864.562376][ T10] netdev_get_by_index+0x5e/0x80 [ 1864.562376][ T10] fib6_nh_init+0x3d8/0x1580 [ 1864.562376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1864.562376][ T10] ip6_route_add+0x1c/0x140 [ 1864.562376][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1864.562376][ T10] inet6_addr_add+0x4f8/0xa40 [ 1864.562376][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1864.562376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.562376][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.562376][ T10] netlink_unicast+0x449/0x710 [ 1864.562376][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.562376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.562376][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.562376][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.562376][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.562376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.562376][ T10] [ 1864.564678][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1864.564678][ T10] netdev_get_by_index+0x5e/0x80 [ 1864.564678][ T10] fib6_nh_init+0x3d8/0x1580 [ 1864.564678][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1864.564678][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1864.564678][ T10] ipv6_add_addr+0x411/0x2000 [ 1864.564678][ T10] inet6_addr_add+0x30e/0xa40 [ 1864.564678][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1864.564678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.564678][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.564678][ T10] netlink_unicast+0x449/0x710 [ 1864.564678][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.564678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.564678][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.564678][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.564678][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.564678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.564678][ T10] [ 1864.566915][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1864.566915][ T10] netdev_get_by_index+0x5e/0x80 [ 1864.566915][ T10] fib6_nh_init+0x3d8/0x1580 [ 1864.566915][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1864.566915][ T10] ip6_route_add+0x1c/0x140 [ 1864.566915][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1864.566915][ T10] addrconf_add_dev+0xe2/0x170 [ 1864.566915][ T10] inet6_addr_add+0x12f/0xa40 [ 1864.566915][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1864.566915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.566915][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.566915][ T10] netlink_unicast+0x449/0x710 [ 1864.566915][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.566915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.566915][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.566915][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.566915][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.566915][ T10] [ 1864.569152][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1864.569152][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1864.569152][ T10] ipv6_find_idev+0x102/0x170 [ 1864.569152][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.569152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.569152][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.569152][ T10] netlink_unicast+0x449/0x710 [ 1864.569152][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.569152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.569152][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.569152][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.569152][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.569152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.569152][ T10] [ 1864.570885][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1864.570885][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1864.570885][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1864.570885][ T10] ipv6_find_idev+0x102/0x170 [ 1864.570885][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.570885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.570885][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.570885][ T10] netlink_unicast+0x449/0x710 [ 1864.570885][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.570885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.570885][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.570885][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.570885][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.570885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.570885][ T10] [ 1864.572745][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1864.572984][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1864.572984][ T10] netdev_get_by_index+0x5e/0x80 [ 1864.572984][ T10] fib6_nh_init+0x3d8/0x1580 [ 1864.572984][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1864.572984][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1864.572984][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1864.572984][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1864.572984][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1864.572984][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1864.572984][ T10] addrconf_dad_begin+0x310/0x670 [ 1864.572984][ T10] addrconf_dad_work+0x10b/0xab0 [ 1864.572984][ T10] process_one_work+0x84d/0x18a0 [ 1864.572984][ T10] worker_thread+0x587/0xd30 [ 1864.572984][ T10] kthread+0x28a/0x350 [ 1864.572984][ T10] ret_from_fork+0x31/0x70 [ 1864.572984][ T10] ret_from_fork_asm+0x1a/0x30 [ 1864.572984][ T10] [ 1864.575204][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1864.575204][ T10] netdev_get_by_index+0x5e/0x80 [ 1864.575204][ T10] fib6_nh_init+0x3d8/0x1580 [ 1864.575204][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1864.575204][ T10] ip6_route_add+0x1c/0x140 [ 1864.575204][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1864.575204][ T10] inet6_addr_add+0x4f8/0xa40 [ 1864.575204][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1864.575204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.575204][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.575204][ T10] netlink_unicast+0x449/0x710 [ 1864.575204][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.575204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.575204][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.575204][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.575204][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.575204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.575204][ T10] [ 1864.577376][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1864.577376][ T10] netdev_get_by_index+0x5e/0x80 [ 1864.577376][ T10] fib6_nh_init+0x3d8/0x1580 [ 1864.577376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1864.577376][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1864.577376][ T10] ipv6_add_addr+0x411/0x2000 [ 1864.577376][ T10] inet6_addr_add+0x30e/0xa40 [ 1864.577376][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1864.577376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.577376][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.577376][ T10] netlink_unicast+0x449/0x710 [ 1864.577376][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.577376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.577376][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.577376][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.577376][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.577376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.577376][ T10] [ 1864.579629][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1864.579629][ T10] netdev_get_by_index+0x5e/0x80 [ 1864.579629][ T10] fib6_nh_init+0x3d8/0x1580 [ 1864.579629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1864.579629][ T10] ip6_route_add+0x1c/0x140 [ 1864.579629][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1864.579629][ T10] addrconf_add_dev+0xe2/0x170 [ 1864.579629][ T10] inet6_addr_add+0x12f/0xa40 [ 1864.579629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1864.579629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.579629][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.579629][ T10] netlink_unicast+0x449/0x710 [ 1864.579629][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.579629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.579629][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.579629][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.579629][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.579629][ T10] [ 1864.581841][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1864.581841][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1864.581841][ T10] ipv6_find_idev+0x102/0x170 [ 1864.581841][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.581841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.581841][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.581841][ T10] netlink_unicast+0x449/0x710 [ 1864.581841][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.581841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.581841][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.581841][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.581841][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.581841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.581841][ T10] [ 1864.583618][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1864.583618][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1864.583618][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1864.583618][ T10] ipv6_find_idev+0x102/0x170 [ 1864.583618][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.583618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.583618][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.583618][ T10] netlink_unicast+0x449/0x710 [ 1864.583618][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.583618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.583618][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.583618][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.583618][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.583618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.583618][ T10] [ 1870.729301][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1870.729777][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1870.729777][ T1167] dst_init+0x84/0x4a0 [ 1870.729777][ T1167] dst_alloc+0x97/0x150 [ 1870.729777][ T1167] ip6_dst_alloc+0x23/0x90 [ 1870.729777][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1870.729777][ T1167] ip6_pol_route+0x56f/0x840 [ 1870.729777][ T1167] fib6_rule_lookup+0x334/0x630 [ 1870.729777][ T1167] ip6_route_output_flags+0x259/0x480 [ 1870.729777][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1870.729777][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1870.729777][ T1167] netlink_rcv_skb+0x130/0x360 [ 1870.729777][ T1167] netlink_unicast+0x449/0x710 [ 1870.729777][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1870.729777][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1870.729777][ T1167] ___sys_sendmsg+0xee/0x170 [ 1870.729777][ T1167] __sys_sendmsg+0xcd/0x170 [ 1870.729777][ T1167] do_syscall_64+0xc6/0x1e0 [ 1870.729777][ T1167] [ 1870.732069][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1870.732069][ T1167] netdev_get_by_index+0x5e/0x80 [ 1870.732069][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1870.732069][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1870.732069][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1870.732069][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1870.732069][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1870.732069][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1870.732069][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1870.732069][ T1167] addrconf_dad_begin+0x310/0x670 [ 1870.732069][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1870.732069][ T1167] process_one_work+0x84d/0x18a0 [ 1870.732069][ T1167] worker_thread+0x587/0xd30 [ 1870.732069][ T1167] kthread+0x28a/0x350 [ 1870.732069][ T1167] ret_from_fork+0x31/0x70 [ 1870.732069][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1870.732069][ T1167] [ 1870.734264][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1870.734264][ T1167] netdev_get_by_index+0x5e/0x80 [ 1870.734264][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1870.734264][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1870.734264][ T1167] ip6_route_add+0x1c/0x140 [ 1870.734264][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1870.734264][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1870.734264][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1870.734264][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1870.734264][ T1167] netlink_rcv_skb+0x130/0x360 [ 1870.734264][ T1167] netlink_unicast+0x449/0x710 [ 1870.734264][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1870.734264][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1870.734264][ T1167] ___sys_sendmsg+0xee/0x170 [ 1870.734264][ T1167] __sys_sendmsg+0xcd/0x170 [ 1870.734264][ T1167] do_syscall_64+0xc6/0x1e0 [ 1870.734264][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1870.734264][ T1167] [ 1870.736696][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1870.736696][ T1167] netdev_get_by_index+0x5e/0x80 [ 1870.736696][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1870.736696][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1870.736696][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1870.736696][ T1167] ipv6_add_addr+0x411/0x2000 [ 1870.736696][ T1167] inet6_addr_add+0x30e/0xa40 [ 1870.736696][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1870.736696][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1870.736696][ T1167] netlink_rcv_skb+0x130/0x360 [ 1870.736696][ T1167] netlink_unicast+0x449/0x710 [ 1870.736696][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1870.736696][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1870.736696][ T1167] ___sys_sendmsg+0xee/0x170 [ 1870.736696][ T1167] __sys_sendmsg+0xcd/0x170 [ 1870.736696][ T1167] do_syscall_64+0xc6/0x1e0 [ 1870.736696][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1870.736696][ T1167] [ 1870.740174][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1870.740174][ T1167] netdev_get_by_index+0x5e/0x80 [ 1870.740174][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1870.740174][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1870.740174][ T1167] ip6_route_add+0x1c/0x140 [ 1870.740174][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1870.740174][ T1167] addrconf_add_dev+0xe2/0x170 [ 1870.740174][ T1167] inet6_addr_add+0x12f/0xa40 [ 1870.740174][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1870.740174][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1870.740174][ T1167] netlink_rcv_skb+0x130/0x360 [ 1870.740174][ T1167] netlink_unicast+0x449/0x710 [ 1870.740174][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1870.740174][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1870.740174][ T1167] ___sys_sendmsg+0xee/0x170 [ 1870.740174][ T1167] __sys_sendmsg+0xcd/0x170 [ 1870.740174][ T1167] do_syscall_64+0xc6/0x1e0 [ 1870.740174][ T1167] [ 1870.743650][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1870.743650][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1870.743650][ T1167] ipv6_find_idev+0x102/0x170 [ 1870.743650][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1870.743650][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1870.743650][ T1167] netlink_rcv_skb+0x130/0x360 [ 1870.743650][ T1167] netlink_unicast+0x449/0x710 [ 1870.743650][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1870.743650][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1870.743650][ T1167] ___sys_sendmsg+0xee/0x170 [ 1870.743650][ T1167] __sys_sendmsg+0xcd/0x170 [ 1870.743650][ T1167] do_syscall_64+0xc6/0x1e0 [ 1870.743650][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1870.743650][ T1167] [ 1870.746390][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1870.746390][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1870.746390][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1870.746390][ T1167] ipv6_find_idev+0x102/0x170 [ 1870.746390][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1870.746390][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1870.746390][ T1167] netlink_rcv_skb+0x130/0x360 [ 1870.746390][ T1167] netlink_unicast+0x449/0x710 [ 1870.746390][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1870.746390][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1870.746390][ T1167] ___sys_sendmsg+0xee/0x170 [ 1870.746390][ T1167] __sys_sendmsg+0xcd/0x170 [ 1870.746390][ T1167] do_syscall_64+0xc6/0x1e0 [ 1870.746390][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1870.746390][ T1167] [ 1874.825143][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1874.825597][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1874.825597][ T10] netdev_get_by_index+0x5e/0x80 [ 1874.825597][ T10] fib6_nh_init+0x3d8/0x1580 [ 1874.825597][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1874.825597][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1874.825597][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1874.825597][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1874.825597][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1874.825597][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1874.825597][ T10] addrconf_dad_begin+0x310/0x670 [ 1874.825597][ T10] addrconf_dad_work+0x10b/0xab0 [ 1874.825597][ T10] process_one_work+0x84d/0x18a0 [ 1874.825597][ T10] worker_thread+0x587/0xd30 [ 1874.825597][ T10] kthread+0x28a/0x350 [ 1874.825597][ T10] ret_from_fork+0x31/0x70 [ 1874.825597][ T10] ret_from_fork_asm+0x1a/0x30 [ 1874.825597][ T10] [ 1874.827531][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1874.827531][ T10] netdev_get_by_index+0x5e/0x80 [ 1874.827531][ T10] fib6_nh_init+0x3d8/0x1580 [ 1874.827531][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1874.827531][ T10] ip6_route_add+0x1c/0x140 [ 1874.827531][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1874.827531][ T10] inet6_addr_add+0x4f8/0xa40 [ 1874.827531][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1874.827531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.827531][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.827531][ T10] netlink_unicast+0x449/0x710 [ 1874.827531][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.827531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.827531][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.827531][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.827531][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.827531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.827531][ T10] [ 1874.829532][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1874.829532][ T10] netdev_get_by_index+0x5e/0x80 [ 1874.829532][ T10] fib6_nh_init+0x3d8/0x1580 [ 1874.829532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1874.829532][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1874.829532][ T10] ipv6_add_addr+0x411/0x2000 [ 1874.829532][ T10] inet6_addr_add+0x30e/0xa40 [ 1874.829532][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1874.829532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.829532][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.829532][ T10] netlink_unicast+0x449/0x710 [ 1874.829532][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.829532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.829532][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.829532][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.829532][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.829532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.829532][ T10] [ 1874.831523][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1874.831523][ T10] netdev_get_by_index+0x5e/0x80 [ 1874.831523][ T10] fib6_nh_init+0x3d8/0x1580 [ 1874.831523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1874.831523][ T10] ip6_route_add+0x1c/0x140 [ 1874.831523][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1874.831523][ T10] addrconf_add_dev+0xe2/0x170 [ 1874.831523][ T10] inet6_addr_add+0x12f/0xa40 [ 1874.831523][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1874.831523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.831523][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.831523][ T10] netlink_unicast+0x449/0x710 [ 1874.831523][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.831523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.831523][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.831523][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.831523][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.831523][ T10] [ 1874.833606][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1874.833606][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1874.833606][ T10] ipv6_find_idev+0x102/0x170 [ 1874.833606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1874.833606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.833606][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.833606][ T10] netlink_unicast+0x449/0x710 [ 1874.833606][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.833606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.833606][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.833606][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.833606][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.833606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.833606][ T10] [ 1874.835153][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1874.835153][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1874.835153][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1874.835153][ T10] ipv6_find_idev+0x102/0x170 [ 1874.835153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1874.835153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.835153][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.835153][ T10] netlink_unicast+0x449/0x710 [ 1874.835153][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.835153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.835153][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.835153][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.835153][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.835153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.835153][ T10] [ 1874.836829][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1874.837093][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1874.837093][ T10] netdev_get_by_index+0x5e/0x80 [ 1874.837093][ T10] fib6_nh_init+0x3d8/0x1580 [ 1874.837093][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1874.837093][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1874.837093][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1874.837093][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1874.837093][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1874.837093][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1874.837093][ T10] addrconf_dad_begin+0x310/0x670 [ 1874.837093][ T10] addrconf_dad_work+0x10b/0xab0 [ 1874.837093][ T10] process_one_work+0x84d/0x18a0 [ 1874.837093][ T10] worker_thread+0x587/0xd30 [ 1874.837093][ T10] kthread+0x28a/0x350 [ 1874.837093][ T10] ret_from_fork+0x31/0x70 [ 1874.837093][ T10] ret_from_fork_asm+0x1a/0x30 [ 1874.837093][ T10] [ 1874.838986][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1874.838986][ T10] netdev_get_by_index+0x5e/0x80 [ 1874.838986][ T10] fib6_nh_init+0x3d8/0x1580 [ 1874.838986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1874.838986][ T10] ip6_route_add+0x1c/0x140 [ 1874.838986][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1874.838986][ T10] inet6_addr_add+0x4f8/0xa40 [ 1874.838986][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1874.838986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.838986][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.838986][ T10] netlink_unicast+0x449/0x710 [ 1874.838986][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.838986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.838986][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.838986][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.838986][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.838986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.838986][ T10] [ 1874.840969][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1874.840969][ T10] netdev_get_by_index+0x5e/0x80 [ 1874.840969][ T10] fib6_nh_init+0x3d8/0x1580 [ 1874.840969][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1874.840969][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1874.840969][ T10] ipv6_add_addr+0x411/0x2000 [ 1874.840969][ T10] inet6_addr_add+0x30e/0xa40 [ 1874.840969][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1874.840969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.840969][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.840969][ T10] netlink_unicast+0x449/0x710 [ 1874.840969][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.840969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.840969][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.840969][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.840969][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.840969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.840969][ T10] [ 1874.842940][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1874.842940][ T10] netdev_get_by_index+0x5e/0x80 [ 1874.842940][ T10] fib6_nh_init+0x3d8/0x1580 [ 1874.842940][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1874.842940][ T10] ip6_route_add+0x1c/0x140 [ 1874.842940][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1874.842940][ T10] addrconf_add_dev+0xe2/0x170 [ 1874.842940][ T10] inet6_addr_add+0x12f/0xa40 [ 1874.842940][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1874.842940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.842940][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.842940][ T10] netlink_unicast+0x449/0x710 [ 1874.842940][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.842940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.842940][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.842940][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.842940][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.842940][ T10] [ 1874.844905][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1874.844905][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1874.844905][ T10] ipv6_find_idev+0x102/0x170 [ 1874.844905][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1874.844905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.844905][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.844905][ T10] netlink_unicast+0x449/0x710 [ 1874.844905][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.844905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.844905][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.844905][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.844905][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.844905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.844905][ T10] [ 1874.846430][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1874.846430][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1874.846430][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1874.846430][ T10] ipv6_find_idev+0x102/0x170 [ 1874.846430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1874.846430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.846430][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.846430][ T10] netlink_unicast+0x449/0x710 [ 1874.846430][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.846430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.846430][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.846430][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.846430][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.846430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.846430][ T10] [ 1874.848097][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1874.848330][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1874.848330][ T10] netdev_get_by_index+0x5e/0x80 [ 1874.848330][ T10] fib6_nh_init+0x3d8/0x1580 [ 1874.848330][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1874.848330][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1874.848330][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1874.848330][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1874.848330][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1874.848330][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1874.848330][ T10] addrconf_dad_begin+0x310/0x670 [ 1874.848330][ T10] addrconf_dad_work+0x10b/0xab0 [ 1874.848330][ T10] process_one_work+0x84d/0x18a0 [ 1874.848330][ T10] worker_thread+0x587/0xd30 [ 1874.848330][ T10] kthread+0x28a/0x350 [ 1874.848330][ T10] ret_from_fork+0x31/0x70 [ 1874.848330][ T10] ret_from_fork_asm+0x1a/0x30 [ 1874.848330][ T10] [ 1874.850253][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1874.850253][ T10] netdev_get_by_index+0x5e/0x80 [ 1874.850253][ T10] fib6_nh_init+0x3d8/0x1580 [ 1874.850253][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1874.850253][ T10] ip6_route_add+0x1c/0x140 [ 1874.850253][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1874.850253][ T10] inet6_addr_add+0x4f8/0xa40 [ 1874.850253][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1874.850253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.850253][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.850253][ T10] netlink_unicast+0x449/0x710 [ 1874.850253][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.850253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.850253][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.850253][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.850253][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.850253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.850253][ T10] [ 1874.852397][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1874.852397][ T10] netdev_get_by_index+0x5e/0x80 [ 1874.852397][ T10] fib6_nh_init+0x3d8/0x1580 [ 1874.852397][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1874.852397][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1874.852397][ T10] ipv6_add_addr+0x411/0x2000 [ 1874.852397][ T10] inet6_addr_add+0x30e/0xa40 [ 1874.852397][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1874.852397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.852397][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.852397][ T10] netlink_unicast+0x449/0x710 [ 1874.852397][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.852397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.852397][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.852397][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.852397][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.852397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.852397][ T10] [ 1874.854502][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1874.854502][ T10] netdev_get_by_index+0x5e/0x80 [ 1874.854502][ T10] fib6_nh_init+0x3d8/0x1580 [ 1874.854502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1874.854502][ T10] ip6_route_add+0x1c/0x140 [ 1874.854502][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1874.854502][ T10] addrconf_add_dev+0xe2/0x170 [ 1874.854502][ T10] inet6_addr_add+0x12f/0xa40 [ 1874.854502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1874.854502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.854502][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.854502][ T10] netlink_unicast+0x449/0x710 [ 1874.854502][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.854502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.854502][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.854502][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.854502][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.854502][ T10] [ 1874.856514][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1874.856514][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1874.856514][ T10] ipv6_find_idev+0x102/0x170 [ 1874.856514][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1874.856514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.856514][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.856514][ T10] netlink_unicast+0x449/0x710 [ 1874.856514][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.856514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.856514][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.856514][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.856514][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.856514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.856514][ T10] [ 1874.858171][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1874.858171][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1874.858171][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1874.858171][ T10] ipv6_find_idev+0x102/0x170 [ 1874.858171][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1874.858171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.858171][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.858171][ T10] netlink_unicast+0x449/0x710 [ 1874.858171][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.858171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.858171][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.858171][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.858171][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.858171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.858171][ T10] [ 1874.860453][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1874.860696][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1874.860696][ T10] netdev_get_by_index+0x5e/0x80 [ 1874.860696][ T10] fib6_nh_init+0x3d8/0x1580 [ 1874.860696][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1874.860696][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1874.860696][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1874.860696][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1874.860696][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1874.860696][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1874.860696][ T10] addrconf_dad_begin+0x310/0x670 [ 1874.860696][ T10] addrconf_dad_work+0x10b/0xab0 [ 1874.860696][ T10] process_one_work+0x84d/0x18a0 [ 1874.860696][ T10] worker_thread+0x587/0xd30 [ 1874.860696][ T10] kthread+0x28a/0x350 [ 1874.860696][ T10] ret_from_fork+0x31/0x70 [ 1874.860696][ T10] ret_from_fork_asm+0x1a/0x30 [ 1874.860696][ T10] [ 1874.862586][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1874.862586][ T10] netdev_get_by_index+0x5e/0x80 [ 1874.862586][ T10] fib6_nh_init+0x3d8/0x1580 [ 1874.862586][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1874.862586][ T10] ip6_route_add+0x1c/0x140 [ 1874.862586][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1874.862586][ T10] inet6_addr_add+0x4f8/0xa40 [ 1874.862586][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1874.862586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.862586][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.862586][ T10] netlink_unicast+0x449/0x710 [ 1874.862586][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.862586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.862586][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.862586][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.862586][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.862586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.862586][ T10] [ 1874.864575][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1874.864575][ T10] netdev_get_by_index+0x5e/0x80 [ 1874.864575][ T10] fib6_nh_init+0x3d8/0x1580 [ 1874.864575][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1874.864575][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1874.864575][ T10] ipv6_add_addr+0x411/0x2000 [ 1874.864575][ T10] inet6_addr_add+0x30e/0xa40 [ 1874.864575][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1874.864575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.864575][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.864575][ T10] netlink_unicast+0x449/0x710 [ 1874.864575][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.864575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.864575][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.864575][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.864575][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.864575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.864575][ T10] [ 1874.866860][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1874.866860][ T10] netdev_get_by_index+0x5e/0x80 [ 1874.866860][ T10] fib6_nh_init+0x3d8/0x1580 [ 1874.866860][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1874.866860][ T10] ip6_route_add+0x1c/0x140 [ 1874.866860][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1874.866860][ T10] addrconf_add_dev+0xe2/0x170 [ 1874.866860][ T10] inet6_addr_add+0x12f/0xa40 [ 1874.866860][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1874.866860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.866860][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.866860][ T10] netlink_unicast+0x449/0x710 [ 1874.866860][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.866860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.866860][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.866860][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.866860][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.866860][ T10] [ 1874.869054][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1874.869054][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1874.869054][ T10] ipv6_find_idev+0x102/0x170 [ 1874.869054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1874.869054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.869054][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.869054][ T10] netlink_unicast+0x449/0x710 [ 1874.869054][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.869054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.869054][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.869054][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.869054][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.869054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.869054][ T10] [ 1874.870771][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1874.870771][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1874.870771][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1874.870771][ T10] ipv6_find_idev+0x102/0x170 [ 1874.870771][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1874.870771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.870771][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.870771][ T10] netlink_unicast+0x449/0x710 [ 1874.870771][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.870771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.870771][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.870771][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.870771][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.870771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.870771][ T10] [ 1880.937114][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1880.937616][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1880.937616][ T1167] dst_init+0x84/0x4a0 [ 1880.937616][ T1167] dst_alloc+0x97/0x150 [ 1880.937616][ T1167] ip6_dst_alloc+0x23/0x90 [ 1880.937616][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1880.937616][ T1167] ip6_pol_route+0x56f/0x840 [ 1880.937616][ T1167] fib6_rule_lookup+0x334/0x630 [ 1880.937616][ T1167] ip6_route_output_flags+0x259/0x480 [ 1880.937616][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1880.937616][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1880.937616][ T1167] netlink_rcv_skb+0x130/0x360 [ 1880.937616][ T1167] netlink_unicast+0x449/0x710 [ 1880.937616][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1880.937616][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1880.937616][ T1167] ___sys_sendmsg+0xee/0x170 [ 1880.937616][ T1167] __sys_sendmsg+0xcd/0x170 [ 1880.937616][ T1167] do_syscall_64+0xc6/0x1e0 [ 1880.937616][ T1167] [ 1880.939871][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1880.939871][ T1167] netdev_get_by_index+0x5e/0x80 [ 1880.939871][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1880.939871][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1880.939871][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1880.939871][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1880.939871][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1880.939871][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1880.939871][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1880.939871][ T1167] addrconf_dad_begin+0x310/0x670 [ 1880.939871][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1880.939871][ T1167] process_one_work+0x84d/0x18a0 [ 1880.939871][ T1167] worker_thread+0x587/0xd30 [ 1880.939871][ T1167] kthread+0x28a/0x350 [ 1880.939871][ T1167] ret_from_fork+0x31/0x70 [ 1880.939871][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1880.939871][ T1167] [ 1880.942077][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1880.942077][ T1167] netdev_get_by_index+0x5e/0x80 [ 1880.942077][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1880.942077][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1880.942077][ T1167] ip6_route_add+0x1c/0x140 [ 1880.942077][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1880.942077][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1880.942077][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1880.942077][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1880.942077][ T1167] netlink_rcv_skb+0x130/0x360 [ 1880.942077][ T1167] netlink_unicast+0x449/0x710 [ 1880.942077][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1880.942077][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1880.942077][ T1167] ___sys_sendmsg+0xee/0x170 [ 1880.942077][ T1167] __sys_sendmsg+0xcd/0x170 [ 1880.942077][ T1167] do_syscall_64+0xc6/0x1e0 [ 1880.942077][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1880.942077][ T1167] [ 1880.944360][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1880.944360][ T1167] netdev_get_by_index+0x5e/0x80 [ 1880.944360][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1880.944360][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1880.944360][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1880.944360][ T1167] ipv6_add_addr+0x411/0x2000 [ 1880.944360][ T1167] inet6_addr_add+0x30e/0xa40 [ 1880.944360][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1880.944360][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1880.944360][ T1167] netlink_rcv_skb+0x130/0x360 [ 1880.944360][ T1167] netlink_unicast+0x449/0x710 [ 1880.944360][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1880.944360][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1880.944360][ T1167] ___sys_sendmsg+0xee/0x170 [ 1880.944360][ T1167] __sys_sendmsg+0xcd/0x170 [ 1880.944360][ T1167] do_syscall_64+0xc6/0x1e0 [ 1880.944360][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1880.944360][ T1167] [ 1880.946670][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1880.946670][ T1167] netdev_get_by_index+0x5e/0x80 [ 1880.946670][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1880.946670][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1880.946670][ T1167] ip6_route_add+0x1c/0x140 [ 1880.946670][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1880.946670][ T1167] addrconf_add_dev+0xe2/0x170 [ 1880.946670][ T1167] inet6_addr_add+0x12f/0xa40 [ 1880.946670][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1880.946670][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1880.946670][ T1167] netlink_rcv_skb+0x130/0x360 [ 1880.946670][ T1167] netlink_unicast+0x449/0x710 [ 1880.946670][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1880.946670][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1880.946670][ T1167] ___sys_sendmsg+0xee/0x170 [ 1880.946670][ T1167] __sys_sendmsg+0xcd/0x170 [ 1880.946670][ T1167] do_syscall_64+0xc6/0x1e0 [ 1880.946670][ T1167] [ 1880.948910][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1880.948910][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1880.948910][ T1167] ipv6_find_idev+0x102/0x170 [ 1880.948910][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1880.948910][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1880.948910][ T1167] netlink_rcv_skb+0x130/0x360 [ 1880.948910][ T1167] netlink_unicast+0x449/0x710 [ 1880.948910][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1880.948910][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1880.948910][ T1167] ___sys_sendmsg+0xee/0x170 [ 1880.948910][ T1167] __sys_sendmsg+0xcd/0x170 [ 1880.948910][ T1167] do_syscall_64+0xc6/0x1e0 [ 1880.948910][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1880.948910][ T1167] [ 1880.950696][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1880.950696][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1880.950696][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1880.950696][ T1167] ipv6_find_idev+0x102/0x170 [ 1880.950696][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1880.950696][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1880.950696][ T1167] netlink_rcv_skb+0x130/0x360 [ 1880.950696][ T1167] netlink_unicast+0x449/0x710 [ 1880.950696][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1880.950696][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1880.950696][ T1167] ___sys_sendmsg+0xee/0x170 [ 1880.950696][ T1167] __sys_sendmsg+0xcd/0x170 [ 1880.950696][ T1167] do_syscall_64+0xc6/0x1e0 [ 1880.950696][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1880.950696][ T1167] [ 1884.873123][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1884.873570][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1884.873570][ T10] netdev_get_by_index+0x5e/0x80 [ 1884.873570][ T10] fib6_nh_init+0x3d8/0x1580 [ 1884.873570][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1884.873570][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1884.873570][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1884.873570][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1884.873570][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1884.873570][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1884.873570][ T10] addrconf_dad_begin+0x310/0x670 [ 1884.873570][ T10] addrconf_dad_work+0x10b/0xab0 [ 1884.873570][ T10] process_one_work+0x84d/0x18a0 [ 1884.873570][ T10] worker_thread+0x587/0xd30 [ 1884.873570][ T10] kthread+0x28a/0x350 [ 1884.873570][ T10] ret_from_fork+0x31/0x70 [ 1884.873570][ T10] ret_from_fork_asm+0x1a/0x30 [ 1884.873570][ T10] [ 1884.875525][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1884.875525][ T10] netdev_get_by_index+0x5e/0x80 [ 1884.875525][ T10] fib6_nh_init+0x3d8/0x1580 [ 1884.875525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1884.875525][ T10] ip6_route_add+0x1c/0x140 [ 1884.875525][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1884.875525][ T10] inet6_addr_add+0x4f8/0xa40 [ 1884.875525][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1884.875525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.875525][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.875525][ T10] netlink_unicast+0x449/0x710 [ 1884.875525][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.875525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.875525][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.875525][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.875525][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.875525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.875525][ T10] [ 1884.877521][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1884.877521][ T10] netdev_get_by_index+0x5e/0x80 [ 1884.877521][ T10] fib6_nh_init+0x3d8/0x1580 [ 1884.877521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1884.877521][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1884.877521][ T10] ipv6_add_addr+0x411/0x2000 [ 1884.877521][ T10] inet6_addr_add+0x30e/0xa40 [ 1884.877521][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1884.877521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.877521][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.877521][ T10] netlink_unicast+0x449/0x710 [ 1884.877521][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.877521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.877521][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.877521][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.877521][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.877521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.877521][ T10] [ 1884.879532][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1884.879532][ T10] netdev_get_by_index+0x5e/0x80 [ 1884.879532][ T10] fib6_nh_init+0x3d8/0x1580 [ 1884.879532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1884.879532][ T10] ip6_route_add+0x1c/0x140 [ 1884.879532][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1884.879532][ T10] addrconf_add_dev+0xe2/0x170 [ 1884.879532][ T10] inet6_addr_add+0x12f/0xa40 [ 1884.879532][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1884.879532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.879532][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.879532][ T10] netlink_unicast+0x449/0x710 [ 1884.879532][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.879532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.879532][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.879532][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.879532][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.879532][ T10] [ 1884.881492][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1884.881492][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1884.881492][ T10] ipv6_find_idev+0x102/0x170 [ 1884.881492][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1884.881492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.881492][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.881492][ T10] netlink_unicast+0x449/0x710 [ 1884.881492][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.881492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.881492][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.881492][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.881492][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.881492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.881492][ T10] [ 1884.883042][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1884.883042][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1884.883042][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1884.883042][ T10] ipv6_find_idev+0x102/0x170 [ 1884.883042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1884.883042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.883042][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.883042][ T10] netlink_unicast+0x449/0x710 [ 1884.883042][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.883042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.883042][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.883042][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.883042][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.883042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.883042][ T10] [ 1884.884733][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1884.884987][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1884.884987][ T10] netdev_get_by_index+0x5e/0x80 [ 1884.884987][ T10] fib6_nh_init+0x3d8/0x1580 [ 1884.884987][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1884.884987][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1884.884987][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1884.884987][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1884.884987][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1884.884987][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1884.884987][ T10] addrconf_dad_begin+0x310/0x670 [ 1884.884987][ T10] addrconf_dad_work+0x10b/0xab0 [ 1884.884987][ T10] process_one_work+0x84d/0x18a0 [ 1884.884987][ T10] worker_thread+0x587/0xd30 [ 1884.884987][ T10] kthread+0x28a/0x350 [ 1884.884987][ T10] ret_from_fork+0x31/0x70 [ 1884.884987][ T10] ret_from_fork_asm+0x1a/0x30 [ 1884.884987][ T10] [ 1884.886914][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1884.886914][ T10] netdev_get_by_index+0x5e/0x80 [ 1884.886914][ T10] fib6_nh_init+0x3d8/0x1580 [ 1884.886914][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1884.886914][ T10] ip6_route_add+0x1c/0x140 [ 1884.886914][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1884.886914][ T10] inet6_addr_add+0x4f8/0xa40 [ 1884.886914][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1884.886914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.886914][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.886914][ T10] netlink_unicast+0x449/0x710 [ 1884.886914][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.886914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.886914][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.886914][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.886914][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.886914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.886914][ T10] [ 1884.888919][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1884.888919][ T10] netdev_get_by_index+0x5e/0x80 [ 1884.888919][ T10] fib6_nh_init+0x3d8/0x1580 [ 1884.888919][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1884.888919][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1884.888919][ T10] ipv6_add_addr+0x411/0x2000 [ 1884.888919][ T10] inet6_addr_add+0x30e/0xa40 [ 1884.888919][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1884.888919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.888919][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.888919][ T10] netlink_unicast+0x449/0x710 [ 1884.888919][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.888919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.888919][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.888919][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.888919][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.888919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.888919][ T10] [ 1884.890924][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1884.890924][ T10] netdev_get_by_index+0x5e/0x80 [ 1884.890924][ T10] fib6_nh_init+0x3d8/0x1580 [ 1884.890924][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1884.890924][ T10] ip6_route_add+0x1c/0x140 [ 1884.890924][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1884.890924][ T10] addrconf_add_dev+0xe2/0x170 [ 1884.890924][ T10] inet6_addr_add+0x12f/0xa40 [ 1884.890924][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1884.890924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.890924][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.890924][ T10] netlink_unicast+0x449/0x710 [ 1884.890924][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.890924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.890924][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.890924][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.890924][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.890924][ T10] [ 1884.893028][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1884.893028][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1884.893028][ T10] ipv6_find_idev+0x102/0x170 [ 1884.893028][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1884.893028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.893028][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.893028][ T10] netlink_unicast+0x449/0x710 [ 1884.893028][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.893028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.893028][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.893028][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.893028][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.893028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.893028][ T10] [ 1884.894705][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1884.894705][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1884.894705][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1884.894705][ T10] ipv6_find_idev+0x102/0x170 [ 1884.894705][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1884.894705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.894705][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.894705][ T10] netlink_unicast+0x449/0x710 [ 1884.894705][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.894705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.894705][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.894705][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.894705][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.894705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.894705][ T10] [ 1884.896542][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1884.896804][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1884.896804][ T10] netdev_get_by_index+0x5e/0x80 [ 1884.896804][ T10] fib6_nh_init+0x3d8/0x1580 [ 1884.896804][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1884.896804][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1884.896804][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1884.896804][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1884.896804][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1884.896804][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1884.896804][ T10] addrconf_dad_begin+0x310/0x670 [ 1884.896804][ T10] addrconf_dad_work+0x10b/0xab0 [ 1884.896804][ T10] process_one_work+0x84d/0x18a0 [ 1884.896804][ T10] worker_thread+0x587/0xd30 [ 1884.896804][ T10] kthread+0x28a/0x350 [ 1884.896804][ T10] ret_from_fork+0x31/0x70 [ 1884.896804][ T10] ret_from_fork_asm+0x1a/0x30 [ 1884.896804][ T10] [ 1884.898887][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1884.898887][ T10] netdev_get_by_index+0x5e/0x80 [ 1884.898887][ T10] fib6_nh_init+0x3d8/0x1580 [ 1884.898887][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1884.898887][ T10] ip6_route_add+0x1c/0x140 [ 1884.898887][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1884.898887][ T10] inet6_addr_add+0x4f8/0xa40 [ 1884.898887][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1884.898887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.898887][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.898887][ T10] netlink_unicast+0x449/0x710 [ 1884.898887][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.898887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.898887][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.898887][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.898887][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.898887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.898887][ T10] [ 1884.901299][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1884.901299][ T10] netdev_get_by_index+0x5e/0x80 [ 1884.901299][ T10] fib6_nh_init+0x3d8/0x1580 [ 1884.901299][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1884.901299][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1884.901299][ T10] ipv6_add_addr+0x411/0x2000 [ 1884.901299][ T10] inet6_addr_add+0x30e/0xa40 [ 1884.901299][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1884.901299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.901299][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.901299][ T10] netlink_unicast+0x449/0x710 [ 1884.901299][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.901299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.901299][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.901299][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.901299][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.901299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.901299][ T10] [ 1884.903593][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1884.903593][ T10] netdev_get_by_index+0x5e/0x80 [ 1884.903593][ T10] fib6_nh_init+0x3d8/0x1580 [ 1884.903593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1884.903593][ T10] ip6_route_add+0x1c/0x140 [ 1884.903593][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1884.903593][ T10] addrconf_add_dev+0xe2/0x170 [ 1884.903593][ T10] inet6_addr_add+0x12f/0xa40 [ 1884.903593][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1884.903593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.903593][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.903593][ T10] netlink_unicast+0x449/0x710 [ 1884.903593][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.903593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.903593][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.903593][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.903593][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.903593][ T10] [ 1884.905779][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1884.905779][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1884.905779][ T10] ipv6_find_idev+0x102/0x170 [ 1884.905779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1884.905779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.905779][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.905779][ T10] netlink_unicast+0x449/0x710 [ 1884.905779][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.905779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.905779][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.905779][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.905779][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.905779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.905779][ T10] [ 1884.907566][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1884.907566][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1884.907566][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1884.907566][ T10] ipv6_find_idev+0x102/0x170 [ 1884.907566][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1884.907566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.907566][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.907566][ T10] netlink_unicast+0x449/0x710 [ 1884.907566][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.907566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.907566][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.907566][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.907566][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.907566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.907566][ T10] [ 1884.909519][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1884.909773][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1884.909773][ T10] netdev_get_by_index+0x5e/0x80 [ 1884.909773][ T10] fib6_nh_init+0x3d8/0x1580 [ 1884.909773][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1884.909773][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1884.909773][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1884.909773][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1884.909773][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1884.909773][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1884.909773][ T10] addrconf_dad_begin+0x310/0x670 [ 1884.909773][ T10] addrconf_dad_work+0x10b/0xab0 [ 1884.909773][ T10] process_one_work+0x84d/0x18a0 [ 1884.909773][ T10] worker_thread+0x587/0xd30 [ 1884.909773][ T10] kthread+0x28a/0x350 [ 1884.909773][ T10] ret_from_fork+0x31/0x70 [ 1884.909773][ T10] ret_from_fork_asm+0x1a/0x30 [ 1884.909773][ T10] [ 1884.912029][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1884.912029][ T10] netdev_get_by_index+0x5e/0x80 [ 1884.912029][ T10] fib6_nh_init+0x3d8/0x1580 [ 1884.912029][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1884.912029][ T10] ip6_route_add+0x1c/0x140 [ 1884.912029][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1884.912029][ T10] inet6_addr_add+0x4f8/0xa40 [ 1884.912029][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1884.912029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.912029][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.912029][ T10] netlink_unicast+0x449/0x710 [ 1884.912029][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.912029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.912029][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.912029][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.912029][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.912029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.912029][ T10] [ 1884.914273][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1884.914273][ T10] netdev_get_by_index+0x5e/0x80 [ 1884.914273][ T10] fib6_nh_init+0x3d8/0x1580 [ 1884.914273][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1884.914273][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1884.914273][ T10] ipv6_add_addr+0x411/0x2000 [ 1884.914273][ T10] inet6_addr_add+0x30e/0xa40 [ 1884.914273][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1884.914273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.914273][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.914273][ T10] netlink_unicast+0x449/0x710 [ 1884.914273][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.914273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.914273][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.914273][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.914273][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.914273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.914273][ T10] [ 1884.916587][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1884.916587][ T10] netdev_get_by_index+0x5e/0x80 [ 1884.916587][ T10] fib6_nh_init+0x3d8/0x1580 [ 1884.916587][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1884.916587][ T10] ip6_route_add+0x1c/0x140 [ 1884.916587][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1884.916587][ T10] addrconf_add_dev+0xe2/0x170 [ 1884.916587][ T10] inet6_addr_add+0x12f/0xa40 [ 1884.916587][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1884.916587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.916587][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.916587][ T10] netlink_unicast+0x449/0x710 [ 1884.916587][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.916587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.916587][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.916587][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.916587][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.916587][ T10] [ 1884.918852][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1884.918852][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1884.918852][ T10] ipv6_find_idev+0x102/0x170 [ 1884.918852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1884.918852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.918852][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.918852][ T10] netlink_unicast+0x449/0x710 [ 1884.918852][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.918852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.918852][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.918852][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.918852][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.918852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.918852][ T10] [ 1884.920712][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1884.920712][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1884.920712][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1884.920712][ T10] ipv6_find_idev+0x102/0x170 [ 1884.920712][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1884.920712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.920712][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.920712][ T10] netlink_unicast+0x449/0x710 [ 1884.920712][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.920712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.920712][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.920712][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.920712][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.920712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.920712][ T10] [ 1891.065094][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1891.065576][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1891.065576][ T1167] dst_init+0x84/0x4a0 [ 1891.065576][ T1167] dst_alloc+0x97/0x150 [ 1891.065576][ T1167] ip6_dst_alloc+0x23/0x90 [ 1891.065576][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1891.065576][ T1167] ip6_pol_route+0x56f/0x840 [ 1891.065576][ T1167] fib6_rule_lookup+0x334/0x630 [ 1891.065576][ T1167] ip6_route_output_flags+0x259/0x480 [ 1891.065576][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1891.065576][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1891.065576][ T1167] netlink_rcv_skb+0x130/0x360 [ 1891.065576][ T1167] netlink_unicast+0x449/0x710 [ 1891.065576][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1891.065576][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1891.065576][ T1167] ___sys_sendmsg+0xee/0x170 [ 1891.065576][ T1167] __sys_sendmsg+0xcd/0x170 [ 1891.065576][ T1167] do_syscall_64+0xc6/0x1e0 [ 1891.065576][ T1167] [ 1891.067971][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1891.067971][ T1167] netdev_get_by_index+0x5e/0x80 [ 1891.067971][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1891.067971][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1891.067971][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1891.067971][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1891.067971][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1891.067971][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1891.067971][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1891.067971][ T1167] addrconf_dad_begin+0x310/0x670 [ 1891.067971][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1891.067971][ T1167] process_one_work+0x84d/0x18a0 [ 1891.067971][ T1167] worker_thread+0x587/0xd30 [ 1891.067971][ T1167] kthread+0x28a/0x350 [ 1891.067971][ T1167] ret_from_fork+0x31/0x70 [ 1891.067971][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1891.067971][ T1167] [ 1891.070320][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1891.070320][ T1167] netdev_get_by_index+0x5e/0x80 [ 1891.070320][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1891.070320][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1891.070320][ T1167] ip6_route_add+0x1c/0x140 [ 1891.070320][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1891.070320][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1891.070320][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1891.070320][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1891.070320][ T1167] netlink_rcv_skb+0x130/0x360 [ 1891.070320][ T1167] netlink_unicast+0x449/0x710 [ 1891.070320][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1891.070320][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1891.070320][ T1167] ___sys_sendmsg+0xee/0x170 [ 1891.070320][ T1167] __sys_sendmsg+0xcd/0x170 [ 1891.070320][ T1167] do_syscall_64+0xc6/0x1e0 [ 1891.070320][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1891.070320][ T1167] [ 1891.072766][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1891.072766][ T1167] netdev_get_by_index+0x5e/0x80 [ 1891.072766][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1891.072766][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1891.072766][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1891.072766][ T1167] ipv6_add_addr+0x411/0x2000 [ 1891.072766][ T1167] inet6_addr_add+0x30e/0xa40 [ 1891.072766][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1891.072766][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1891.072766][ T1167] netlink_rcv_skb+0x130/0x360 [ 1891.072766][ T1167] netlink_unicast+0x449/0x710 [ 1891.072766][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1891.072766][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1891.072766][ T1167] ___sys_sendmsg+0xee/0x170 [ 1891.072766][ T1167] __sys_sendmsg+0xcd/0x170 [ 1891.072766][ T1167] do_syscall_64+0xc6/0x1e0 [ 1891.072766][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1891.072766][ T1167] [ 1891.075212][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1891.075212][ T1167] netdev_get_by_index+0x5e/0x80 [ 1891.075212][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1891.075212][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1891.075212][ T1167] ip6_route_add+0x1c/0x140 [ 1891.075212][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1891.075212][ T1167] addrconf_add_dev+0xe2/0x170 [ 1891.075212][ T1167] inet6_addr_add+0x12f/0xa40 [ 1891.075212][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1891.075212][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1891.075212][ T1167] netlink_rcv_skb+0x130/0x360 [ 1891.075212][ T1167] netlink_unicast+0x449/0x710 [ 1891.075212][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1891.075212][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1891.075212][ T1167] ___sys_sendmsg+0xee/0x170 [ 1891.075212][ T1167] __sys_sendmsg+0xcd/0x170 [ 1891.075212][ T1167] do_syscall_64+0xc6/0x1e0 [ 1891.075212][ T1167] [ 1891.077614][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1891.077614][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1891.077614][ T1167] ipv6_find_idev+0x102/0x170 [ 1891.077614][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1891.077614][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1891.077614][ T1167] netlink_rcv_skb+0x130/0x360 [ 1891.077614][ T1167] netlink_unicast+0x449/0x710 [ 1891.077614][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1891.077614][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1891.077614][ T1167] ___sys_sendmsg+0xee/0x170 [ 1891.077614][ T1167] __sys_sendmsg+0xcd/0x170 [ 1891.077614][ T1167] do_syscall_64+0xc6/0x1e0 [ 1891.077614][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1891.077614][ T1167] [ 1891.079514][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1891.079514][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1891.079514][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1891.079514][ T1167] ipv6_find_idev+0x102/0x170 [ 1891.079514][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1891.079514][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1891.079514][ T1167] netlink_rcv_skb+0x130/0x360 [ 1891.079514][ T1167] netlink_unicast+0x449/0x710 [ 1891.079514][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1891.079514][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1891.079514][ T1167] ___sys_sendmsg+0xee/0x170 [ 1891.079514][ T1167] __sys_sendmsg+0xcd/0x170 [ 1891.079514][ T1167] do_syscall_64+0xc6/0x1e0 [ 1891.079514][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1891.079514][ T1167] [ 1895.161153][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1895.161606][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1895.161606][ T10] netdev_get_by_index+0x5e/0x80 [ 1895.161606][ T10] fib6_nh_init+0x3d8/0x1580 [ 1895.161606][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1895.161606][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1895.161606][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1895.161606][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1895.161606][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1895.161606][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1895.161606][ T10] addrconf_dad_begin+0x310/0x670 [ 1895.161606][ T10] addrconf_dad_work+0x10b/0xab0 [ 1895.161606][ T10] process_one_work+0x84d/0x18a0 [ 1895.161606][ T10] worker_thread+0x587/0xd30 [ 1895.161606][ T10] kthread+0x28a/0x350 [ 1895.161606][ T10] ret_from_fork+0x31/0x70 [ 1895.161606][ T10] ret_from_fork_asm+0x1a/0x30 [ 1895.161606][ T10] [ 1895.163576][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1895.163576][ T10] netdev_get_by_index+0x5e/0x80 [ 1895.163576][ T10] fib6_nh_init+0x3d8/0x1580 [ 1895.163576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1895.163576][ T10] ip6_route_add+0x1c/0x140 [ 1895.163576][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1895.163576][ T10] inet6_addr_add+0x4f8/0xa40 [ 1895.163576][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1895.163576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.163576][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.163576][ T10] netlink_unicast+0x449/0x710 [ 1895.163576][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.163576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.163576][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.163576][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.163576][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.163576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.163576][ T10] [ 1895.165577][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1895.165577][ T10] netdev_get_by_index+0x5e/0x80 [ 1895.165577][ T10] fib6_nh_init+0x3d8/0x1580 [ 1895.165577][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1895.165577][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1895.165577][ T10] ipv6_add_addr+0x411/0x2000 [ 1895.165577][ T10] inet6_addr_add+0x30e/0xa40 [ 1895.165577][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1895.165577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.165577][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.165577][ T10] netlink_unicast+0x449/0x710 [ 1895.165577][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.165577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.165577][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.165577][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.165577][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.165577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.165577][ T10] [ 1895.167574][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1895.167574][ T10] netdev_get_by_index+0x5e/0x80 [ 1895.167574][ T10] fib6_nh_init+0x3d8/0x1580 [ 1895.167574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1895.167574][ T10] ip6_route_add+0x1c/0x140 [ 1895.167574][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1895.167574][ T10] addrconf_add_dev+0xe2/0x170 [ 1895.167574][ T10] inet6_addr_add+0x12f/0xa40 [ 1895.167574][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1895.167574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.167574][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.167574][ T10] netlink_unicast+0x449/0x710 [ 1895.167574][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.167574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.167574][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.167574][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.167574][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.167574][ T10] [ 1895.169541][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1895.169541][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1895.169541][ T10] ipv6_find_idev+0x102/0x170 [ 1895.169541][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1895.169541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.169541][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.169541][ T10] netlink_unicast+0x449/0x710 [ 1895.169541][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.169541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.169541][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.169541][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.169541][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.169541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.169541][ T10] [ 1895.171076][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1895.171076][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1895.171076][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1895.171076][ T10] ipv6_find_idev+0x102/0x170 [ 1895.171076][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1895.171076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.171076][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.171076][ T10] netlink_unicast+0x449/0x710 [ 1895.171076][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.171076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.171076][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.171076][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.171076][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.171076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.171076][ T10] [ 1895.172771][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1895.173022][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1895.173022][ T10] netdev_get_by_index+0x5e/0x80 [ 1895.173022][ T10] fib6_nh_init+0x3d8/0x1580 [ 1895.173022][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1895.173022][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1895.173022][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1895.173022][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1895.173022][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1895.173022][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1895.173022][ T10] addrconf_dad_begin+0x310/0x670 [ 1895.173022][ T10] addrconf_dad_work+0x10b/0xab0 [ 1895.173022][ T10] process_one_work+0x84d/0x18a0 [ 1895.173022][ T10] worker_thread+0x587/0xd30 [ 1895.173022][ T10] kthread+0x28a/0x350 [ 1895.173022][ T10] ret_from_fork+0x31/0x70 [ 1895.173022][ T10] ret_from_fork_asm+0x1a/0x30 [ 1895.173022][ T10] [ 1895.174932][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1895.174932][ T10] netdev_get_by_index+0x5e/0x80 [ 1895.174932][ T10] fib6_nh_init+0x3d8/0x1580 [ 1895.174932][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1895.174932][ T10] ip6_route_add+0x1c/0x140 [ 1895.174932][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1895.174932][ T10] inet6_addr_add+0x4f8/0xa40 [ 1895.174932][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1895.174932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.174932][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.174932][ T10] netlink_unicast+0x449/0x710 [ 1895.174932][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.174932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.174932][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.174932][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.174932][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.174932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.174932][ T10] [ 1895.176933][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1895.176933][ T10] netdev_get_by_index+0x5e/0x80 [ 1895.176933][ T10] fib6_nh_init+0x3d8/0x1580 [ 1895.176933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1895.176933][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1895.176933][ T10] ipv6_add_addr+0x411/0x2000 [ 1895.176933][ T10] inet6_addr_add+0x30e/0xa40 [ 1895.176933][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1895.176933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.176933][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.176933][ T10] netlink_unicast+0x449/0x710 [ 1895.176933][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.176933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.176933][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.176933][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.176933][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.176933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.176933][ T10] [ 1895.178920][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1895.178920][ T10] netdev_get_by_index+0x5e/0x80 [ 1895.178920][ T10] fib6_nh_init+0x3d8/0x1580 [ 1895.178920][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1895.178920][ T10] ip6_route_add+0x1c/0x140 [ 1895.178920][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1895.178920][ T10] addrconf_add_dev+0xe2/0x170 [ 1895.178920][ T10] inet6_addr_add+0x12f/0xa40 [ 1895.178920][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1895.178920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.178920][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.178920][ T10] netlink_unicast+0x449/0x710 [ 1895.178920][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.178920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.178920][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.178920][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.178920][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.178920][ T10] [ 1895.180871][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1895.180871][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1895.180871][ T10] ipv6_find_idev+0x102/0x170 [ 1895.180871][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1895.180871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.180871][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.180871][ T10] netlink_unicast+0x449/0x710 [ 1895.180871][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.180871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.180871][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.180871][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.180871][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.180871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.180871][ T10] [ 1895.182937][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1895.182937][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1895.182937][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1895.182937][ T10] ipv6_find_idev+0x102/0x170 [ 1895.182937][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1895.182937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.182937][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.182937][ T10] netlink_unicast+0x449/0x710 [ 1895.182937][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.182937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.182937][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.182937][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.182937][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.182937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.182937][ T10] [ 1895.184636][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1895.184878][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1895.184878][ T10] netdev_get_by_index+0x5e/0x80 [ 1895.184878][ T10] fib6_nh_init+0x3d8/0x1580 [ 1895.184878][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1895.184878][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1895.184878][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1895.184878][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1895.184878][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1895.184878][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1895.184878][ T10] addrconf_dad_begin+0x310/0x670 [ 1895.184878][ T10] addrconf_dad_work+0x10b/0xab0 [ 1895.184878][ T10] process_one_work+0x84d/0x18a0 [ 1895.184878][ T10] worker_thread+0x587/0xd30 [ 1895.184878][ T10] kthread+0x28a/0x350 [ 1895.184878][ T10] ret_from_fork+0x31/0x70 [ 1895.184878][ T10] ret_from_fork_asm+0x1a/0x30 [ 1895.184878][ T10] [ 1895.186783][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1895.186783][ T10] netdev_get_by_index+0x5e/0x80 [ 1895.186783][ T10] fib6_nh_init+0x3d8/0x1580 [ 1895.186783][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1895.186783][ T10] ip6_route_add+0x1c/0x140 [ 1895.186783][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1895.186783][ T10] inet6_addr_add+0x4f8/0xa40 [ 1895.186783][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1895.186783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.186783][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.186783][ T10] netlink_unicast+0x449/0x710 [ 1895.186783][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.186783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.186783][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.186783][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.186783][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.186783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.186783][ T10] [ 1895.188918][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1895.188918][ T10] netdev_get_by_index+0x5e/0x80 [ 1895.188918][ T10] fib6_nh_init+0x3d8/0x1580 [ 1895.188918][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1895.188918][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1895.188918][ T10] ipv6_add_addr+0x411/0x2000 [ 1895.188918][ T10] inet6_addr_add+0x30e/0xa40 [ 1895.188918][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1895.188918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.188918][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.188918][ T10] netlink_unicast+0x449/0x710 [ 1895.188918][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.188918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.188918][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.188918][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.188918][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.188918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.188918][ T10] [ 1895.191059][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1895.191059][ T10] netdev_get_by_index+0x5e/0x80 [ 1895.191059][ T10] fib6_nh_init+0x3d8/0x1580 [ 1895.191059][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1895.191059][ T10] ip6_route_add+0x1c/0x140 [ 1895.191059][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1895.191059][ T10] addrconf_add_dev+0xe2/0x170 [ 1895.191059][ T10] inet6_addr_add+0x12f/0xa40 [ 1895.191059][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1895.191059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.191059][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.191059][ T10] netlink_unicast+0x449/0x710 [ 1895.191059][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.191059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.191059][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.191059][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.191059][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.191059][ T10] [ 1895.193160][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1895.193160][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1895.193160][ T10] ipv6_find_idev+0x102/0x170 [ 1895.193160][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1895.193160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.193160][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.193160][ T10] netlink_unicast+0x449/0x710 [ 1895.193160][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.193160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.193160][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.193160][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.193160][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.193160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.193160][ T10] [ 1895.194754][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1895.194754][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1895.194754][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1895.194754][ T10] ipv6_find_idev+0x102/0x170 [ 1895.194754][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1895.194754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.194754][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.194754][ T10] netlink_unicast+0x449/0x710 [ 1895.194754][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.194754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.194754][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.194754][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.194754][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.194754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.194754][ T10] [ 1895.196582][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1895.196821][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1895.196821][ T10] netdev_get_by_index+0x5e/0x80 [ 1895.196821][ T10] fib6_nh_init+0x3d8/0x1580 [ 1895.196821][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1895.196821][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1895.196821][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1895.196821][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1895.196821][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1895.196821][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1895.196821][ T10] addrconf_dad_begin+0x310/0x670 [ 1895.196821][ T10] addrconf_dad_work+0x10b/0xab0 [ 1895.196821][ T10] process_one_work+0x84d/0x18a0 [ 1895.196821][ T10] worker_thread+0x587/0xd30 [ 1895.196821][ T10] kthread+0x28a/0x350 [ 1895.196821][ T10] ret_from_fork+0x31/0x70 [ 1895.196821][ T10] ret_from_fork_asm+0x1a/0x30 [ 1895.196821][ T10] [ 1895.198856][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1895.198856][ T10] netdev_get_by_index+0x5e/0x80 [ 1895.198856][ T10] fib6_nh_init+0x3d8/0x1580 [ 1895.198856][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1895.198856][ T10] ip6_route_add+0x1c/0x140 [ 1895.198856][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1895.198856][ T10] inet6_addr_add+0x4f8/0xa40 [ 1895.198856][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1895.198856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.198856][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.198856][ T10] netlink_unicast+0x449/0x710 [ 1895.198856][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.198856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.198856][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.198856][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.198856][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.198856][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.198856][ T10] [ 1895.200989][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1895.200989][ T10] netdev_get_by_index+0x5e/0x80 [ 1895.200989][ T10] fib6_nh_init+0x3d8/0x1580 [ 1895.200989][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1895.200989][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1895.200989][ T10] ipv6_add_addr+0x411/0x2000 [ 1895.200989][ T10] inet6_addr_add+0x30e/0xa40 [ 1895.200989][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1895.200989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.200989][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.200989][ T10] netlink_unicast+0x449/0x710 [ 1895.200989][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.200989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.200989][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.200989][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.200989][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.200989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.200989][ T10] [ 1895.203509][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1895.203509][ T10] netdev_get_by_index+0x5e/0x80 [ 1895.203509][ T10] fib6_nh_init+0x3d8/0x1580 [ 1895.203509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1895.203509][ T10] ip6_route_add+0x1c/0x140 [ 1895.203509][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1895.203509][ T10] addrconf_add_dev+0xe2/0x170 [ 1895.203509][ T10] inet6_addr_add+0x12f/0xa40 [ 1895.203509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1895.203509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.203509][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.203509][ T10] netlink_unicast+0x449/0x710 [ 1895.203509][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.203509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.203509][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.203509][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.203509][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.203509][ T10] [ 1895.205596][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1895.205596][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1895.205596][ T10] ipv6_find_idev+0x102/0x170 [ 1895.205596][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1895.205596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.205596][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.205596][ T10] netlink_unicast+0x449/0x710 [ 1895.205596][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.205596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.205596][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.205596][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.205596][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.205596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.205596][ T10] [ 1895.207192][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1895.207192][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1895.207192][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1895.207192][ T10] ipv6_find_idev+0x102/0x170 [ 1895.207192][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1895.207192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.207192][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.207192][ T10] netlink_unicast+0x449/0x710 [ 1895.207192][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.207192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.207192][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.207192][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.207192][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.207192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.207192][ T10] [ 1901.105070][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1901.105590][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1901.105590][ T1167] dst_init+0x84/0x4a0 [ 1901.105590][ T1167] dst_alloc+0x97/0x150 [ 1901.105590][ T1167] ip6_dst_alloc+0x23/0x90 [ 1901.105590][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1901.105590][ T1167] ip6_pol_route+0x56f/0x840 [ 1901.105590][ T1167] fib6_rule_lookup+0x334/0x630 [ 1901.105590][ T1167] ip6_route_output_flags+0x259/0x480 [ 1901.105590][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1901.105590][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1901.105590][ T1167] netlink_rcv_skb+0x130/0x360 [ 1901.105590][ T1167] netlink_unicast+0x449/0x710 [ 1901.105590][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1901.105590][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1901.105590][ T1167] ___sys_sendmsg+0xee/0x170 [ 1901.105590][ T1167] __sys_sendmsg+0xcd/0x170 [ 1901.105590][ T1167] do_syscall_64+0xc6/0x1e0 [ 1901.105590][ T1167] [ 1901.107793][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1901.107793][ T1167] netdev_get_by_index+0x5e/0x80 [ 1901.107793][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1901.107793][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1901.107793][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1901.107793][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1901.107793][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1901.107793][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1901.107793][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1901.107793][ T1167] addrconf_dad_begin+0x310/0x670 [ 1901.107793][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1901.107793][ T1167] process_one_work+0x84d/0x18a0 [ 1901.107793][ T1167] worker_thread+0x587/0xd30 [ 1901.107793][ T1167] kthread+0x28a/0x350 [ 1901.107793][ T1167] ret_from_fork+0x31/0x70 [ 1901.107793][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1901.107793][ T1167] [ 1901.109955][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1901.109955][ T1167] netdev_get_by_index+0x5e/0x80 [ 1901.109955][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1901.109955][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1901.109955][ T1167] ip6_route_add+0x1c/0x140 [ 1901.109955][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1901.109955][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1901.109955][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1901.109955][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1901.109955][ T1167] netlink_rcv_skb+0x130/0x360 [ 1901.109955][ T1167] netlink_unicast+0x449/0x710 [ 1901.109955][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1901.109955][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1901.109955][ T1167] ___sys_sendmsg+0xee/0x170 [ 1901.109955][ T1167] __sys_sendmsg+0xcd/0x170 [ 1901.109955][ T1167] do_syscall_64+0xc6/0x1e0 [ 1901.109955][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1901.109955][ T1167] [ 1901.112208][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1901.112208][ T1167] netdev_get_by_index+0x5e/0x80 [ 1901.112208][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1901.112208][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1901.112208][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1901.112208][ T1167] ipv6_add_addr+0x411/0x2000 [ 1901.112208][ T1167] inet6_addr_add+0x30e/0xa40 [ 1901.112208][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1901.112208][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1901.112208][ T1167] netlink_rcv_skb+0x130/0x360 [ 1901.112208][ T1167] netlink_unicast+0x449/0x710 [ 1901.112208][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1901.112208][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1901.112208][ T1167] ___sys_sendmsg+0xee/0x170 [ 1901.112208][ T1167] __sys_sendmsg+0xcd/0x170 [ 1901.112208][ T1167] do_syscall_64+0xc6/0x1e0 [ 1901.112208][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1901.112208][ T1167] [ 1901.114451][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1901.114451][ T1167] netdev_get_by_index+0x5e/0x80 [ 1901.114451][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1901.114451][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1901.114451][ T1167] ip6_route_add+0x1c/0x140 [ 1901.114451][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1901.114451][ T1167] addrconf_add_dev+0xe2/0x170 [ 1901.114451][ T1167] inet6_addr_add+0x12f/0xa40 [ 1901.114451][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1901.114451][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1901.114451][ T1167] netlink_rcv_skb+0x130/0x360 [ 1901.114451][ T1167] netlink_unicast+0x449/0x710 [ 1901.114451][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1901.114451][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1901.114451][ T1167] ___sys_sendmsg+0xee/0x170 [ 1901.114451][ T1167] __sys_sendmsg+0xcd/0x170 [ 1901.114451][ T1167] do_syscall_64+0xc6/0x1e0 [ 1901.114451][ T1167] [ 1901.116675][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1901.116675][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1901.116675][ T1167] ipv6_find_idev+0x102/0x170 [ 1901.116675][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1901.116675][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1901.116675][ T1167] netlink_rcv_skb+0x130/0x360 [ 1901.116675][ T1167] netlink_unicast+0x449/0x710 [ 1901.116675][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1901.116675][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1901.116675][ T1167] ___sys_sendmsg+0xee/0x170 [ 1901.116675][ T1167] __sys_sendmsg+0xcd/0x170 [ 1901.116675][ T1167] do_syscall_64+0xc6/0x1e0 [ 1901.116675][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1901.116675][ T1167] [ 1901.118406][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1901.118406][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1901.118406][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1901.118406][ T1167] ipv6_find_idev+0x102/0x170 [ 1901.118406][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1901.118406][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1901.118406][ T1167] netlink_rcv_skb+0x130/0x360 [ 1901.118406][ T1167] netlink_unicast+0x449/0x710 [ 1901.118406][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1901.118406][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1901.118406][ T1167] ___sys_sendmsg+0xee/0x170 [ 1901.118406][ T1167] __sys_sendmsg+0xcd/0x170 [ 1901.118406][ T1167] do_syscall_64+0xc6/0x1e0 [ 1901.118406][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1901.118406][ T1167] [ 1905.217179][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1905.217640][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1905.217640][ T10] netdev_get_by_index+0x5e/0x80 [ 1905.217640][ T10] fib6_nh_init+0x3d8/0x1580 [ 1905.217640][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1905.217640][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1905.217640][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1905.217640][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1905.217640][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1905.217640][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1905.217640][ T10] addrconf_dad_begin+0x310/0x670 [ 1905.217640][ T10] addrconf_dad_work+0x10b/0xab0 [ 1905.217640][ T10] process_one_work+0x84d/0x18a0 [ 1905.217640][ T10] worker_thread+0x587/0xd30 [ 1905.217640][ T10] kthread+0x28a/0x350 [ 1905.217640][ T10] ret_from_fork+0x31/0x70 [ 1905.217640][ T10] ret_from_fork_asm+0x1a/0x30 [ 1905.217640][ T10] [ 1905.219600][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1905.219600][ T10] netdev_get_by_index+0x5e/0x80 [ 1905.219600][ T10] fib6_nh_init+0x3d8/0x1580 [ 1905.219600][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1905.219600][ T10] ip6_route_add+0x1c/0x140 [ 1905.219600][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1905.219600][ T10] inet6_addr_add+0x4f8/0xa40 [ 1905.219600][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1905.219600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.219600][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.219600][ T10] netlink_unicast+0x449/0x710 [ 1905.219600][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.219600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.219600][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.219600][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.219600][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.219600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.219600][ T10] [ 1905.221589][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1905.221589][ T10] netdev_get_by_index+0x5e/0x80 [ 1905.221589][ T10] fib6_nh_init+0x3d8/0x1580 [ 1905.221589][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1905.221589][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1905.221589][ T10] ipv6_add_addr+0x411/0x2000 [ 1905.221589][ T10] inet6_addr_add+0x30e/0xa40 [ 1905.221589][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1905.221589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.221589][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.221589][ T10] netlink_unicast+0x449/0x710 [ 1905.221589][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.221589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.221589][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.221589][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.221589][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.221589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.221589][ T10] [ 1905.223583][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1905.223583][ T10] netdev_get_by_index+0x5e/0x80 [ 1905.223583][ T10] fib6_nh_init+0x3d8/0x1580 [ 1905.223583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1905.223583][ T10] ip6_route_add+0x1c/0x140 [ 1905.223583][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1905.223583][ T10] addrconf_add_dev+0xe2/0x170 [ 1905.223583][ T10] inet6_addr_add+0x12f/0xa40 [ 1905.223583][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1905.223583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.223583][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.223583][ T10] netlink_unicast+0x449/0x710 [ 1905.223583][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.223583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.223583][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.223583][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.223583][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.223583][ T10] [ 1905.225539][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1905.225539][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1905.225539][ T10] ipv6_find_idev+0x102/0x170 [ 1905.225539][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.225539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.225539][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.225539][ T10] netlink_unicast+0x449/0x710 [ 1905.225539][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.225539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.225539][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.225539][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.225539][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.225539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.225539][ T10] [ 1905.227071][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1905.227071][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1905.227071][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1905.227071][ T10] ipv6_find_idev+0x102/0x170 [ 1905.227071][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.227071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.227071][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.227071][ T10] netlink_unicast+0x449/0x710 [ 1905.227071][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.227071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.227071][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.227071][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.227071][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.227071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.227071][ T10] [ 1905.228771][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1905.229022][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1905.229022][ T10] netdev_get_by_index+0x5e/0x80 [ 1905.229022][ T10] fib6_nh_init+0x3d8/0x1580 [ 1905.229022][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1905.229022][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1905.229022][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1905.229022][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1905.229022][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1905.229022][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1905.229022][ T10] addrconf_dad_begin+0x310/0x670 [ 1905.229022][ T10] addrconf_dad_work+0x10b/0xab0 [ 1905.229022][ T10] process_one_work+0x84d/0x18a0 [ 1905.229022][ T10] worker_thread+0x587/0xd30 [ 1905.229022][ T10] kthread+0x28a/0x350 [ 1905.229022][ T10] ret_from_fork+0x31/0x70 [ 1905.229022][ T10] ret_from_fork_asm+0x1a/0x30 [ 1905.229022][ T10] [ 1905.230929][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1905.230929][ T10] netdev_get_by_index+0x5e/0x80 [ 1905.230929][ T10] fib6_nh_init+0x3d8/0x1580 [ 1905.230929][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1905.230929][ T10] ip6_route_add+0x1c/0x140 [ 1905.230929][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1905.230929][ T10] inet6_addr_add+0x4f8/0xa40 [ 1905.230929][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1905.230929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.230929][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.230929][ T10] netlink_unicast+0x449/0x710 [ 1905.230929][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.230929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.230929][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.230929][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.230929][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.230929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.230929][ T10] [ 1905.233042][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1905.233042][ T10] netdev_get_by_index+0x5e/0x80 [ 1905.233042][ T10] fib6_nh_init+0x3d8/0x1580 [ 1905.233042][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1905.233042][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1905.233042][ T10] ipv6_add_addr+0x411/0x2000 [ 1905.233042][ T10] inet6_addr_add+0x30e/0xa40 [ 1905.233042][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1905.233042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.233042][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.233042][ T10] netlink_unicast+0x449/0x710 [ 1905.233042][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.233042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.233042][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.233042][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.233042][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.233042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.233042][ T10] [ 1905.235149][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1905.235149][ T10] netdev_get_by_index+0x5e/0x80 [ 1905.235149][ T10] fib6_nh_init+0x3d8/0x1580 [ 1905.235149][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1905.235149][ T10] ip6_route_add+0x1c/0x140 [ 1905.235149][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1905.235149][ T10] addrconf_add_dev+0xe2/0x170 [ 1905.235149][ T10] inet6_addr_add+0x12f/0xa40 [ 1905.235149][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1905.235149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.235149][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.235149][ T10] netlink_unicast+0x449/0x710 [ 1905.235149][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.235149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.235149][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.235149][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.235149][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.235149][ T10] [ 1905.237222][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1905.237222][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1905.237222][ T10] ipv6_find_idev+0x102/0x170 [ 1905.237222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.237222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.237222][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.237222][ T10] netlink_unicast+0x449/0x710 [ 1905.237222][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.237222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.237222][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.237222][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.237222][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.237222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.237222][ T10] [ 1905.238841][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1905.238841][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1905.238841][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1905.238841][ T10] ipv6_find_idev+0x102/0x170 [ 1905.238841][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.238841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.238841][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.238841][ T10] netlink_unicast+0x449/0x710 [ 1905.238841][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.238841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.238841][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.238841][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.238841][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.238841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.238841][ T10] [ 1905.240601][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1905.240854][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1905.240854][ T10] netdev_get_by_index+0x5e/0x80 [ 1905.240854][ T10] fib6_nh_init+0x3d8/0x1580 [ 1905.240854][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1905.240854][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1905.240854][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1905.240854][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1905.240854][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1905.240854][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1905.240854][ T10] addrconf_dad_begin+0x310/0x670 [ 1905.240854][ T10] addrconf_dad_work+0x10b/0xab0 [ 1905.240854][ T10] process_one_work+0x84d/0x18a0 [ 1905.240854][ T10] worker_thread+0x587/0xd30 [ 1905.240854][ T10] kthread+0x28a/0x350 [ 1905.240854][ T10] ret_from_fork+0x31/0x70 [ 1905.240854][ T10] ret_from_fork_asm+0x1a/0x30 [ 1905.240854][ T10] [ 1905.242835][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1905.242835][ T10] netdev_get_by_index+0x5e/0x80 [ 1905.242835][ T10] fib6_nh_init+0x3d8/0x1580 [ 1905.242835][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1905.242835][ T10] ip6_route_add+0x1c/0x140 [ 1905.242835][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1905.242835][ T10] inet6_addr_add+0x4f8/0xa40 [ 1905.242835][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1905.242835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.242835][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.242835][ T10] netlink_unicast+0x449/0x710 [ 1905.242835][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.242835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.242835][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.242835][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.242835][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.242835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.242835][ T10] [ 1905.245215][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1905.245215][ T10] netdev_get_by_index+0x5e/0x80 [ 1905.245215][ T10] fib6_nh_init+0x3d8/0x1580 [ 1905.245215][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1905.245215][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1905.245215][ T10] ipv6_add_addr+0x411/0x2000 [ 1905.245215][ T10] inet6_addr_add+0x30e/0xa40 [ 1905.245215][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1905.245215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.245215][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.245215][ T10] netlink_unicast+0x449/0x710 [ 1905.245215][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.245215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.245215][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.245215][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.245215][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.245215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.245215][ T10] [ 1905.247519][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1905.247519][ T10] netdev_get_by_index+0x5e/0x80 [ 1905.247519][ T10] fib6_nh_init+0x3d8/0x1580 [ 1905.247519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1905.247519][ T10] ip6_route_add+0x1c/0x140 [ 1905.247519][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1905.247519][ T10] addrconf_add_dev+0xe2/0x170 [ 1905.247519][ T10] inet6_addr_add+0x12f/0xa40 [ 1905.247519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1905.247519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.247519][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.247519][ T10] netlink_unicast+0x449/0x710 [ 1905.247519][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.247519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.247519][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.247519][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.247519][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.247519][ T10] [ 1905.249655][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1905.249655][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1905.249655][ T10] ipv6_find_idev+0x102/0x170 [ 1905.249655][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.249655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.249655][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.249655][ T10] netlink_unicast+0x449/0x710 [ 1905.249655][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.249655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.249655][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.249655][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.249655][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.249655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.249655][ T10] [ 1905.251364][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1905.251364][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1905.251364][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1905.251364][ T10] ipv6_find_idev+0x102/0x170 [ 1905.251364][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.251364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.251364][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.251364][ T10] netlink_unicast+0x449/0x710 [ 1905.251364][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.251364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.251364][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.251364][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.251364][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.251364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.251364][ T10] [ 1905.253295][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1905.253544][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1905.253544][ T10] netdev_get_by_index+0x5e/0x80 [ 1905.253544][ T10] fib6_nh_init+0x3d8/0x1580 [ 1905.253544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1905.253544][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1905.253544][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1905.253544][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1905.253544][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1905.253544][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1905.253544][ T10] addrconf_dad_begin+0x310/0x670 [ 1905.253544][ T10] addrconf_dad_work+0x10b/0xab0 [ 1905.253544][ T10] process_one_work+0x84d/0x18a0 [ 1905.253544][ T10] worker_thread+0x587/0xd30 [ 1905.253544][ T10] kthread+0x28a/0x350 [ 1905.253544][ T10] ret_from_fork+0x31/0x70 [ 1905.253544][ T10] ret_from_fork_asm+0x1a/0x30 [ 1905.253544][ T10] [ 1905.255882][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1905.255882][ T10] netdev_get_by_index+0x5e/0x80 [ 1905.255882][ T10] fib6_nh_init+0x3d8/0x1580 [ 1905.255882][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1905.255882][ T10] ip6_route_add+0x1c/0x140 [ 1905.255882][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1905.255882][ T10] inet6_addr_add+0x4f8/0xa40 [ 1905.255882][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1905.255882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.255882][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.255882][ T10] netlink_unicast+0x449/0x710 [ 1905.255882][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.255882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.255882][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.255882][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.255882][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.255882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.255882][ T10] [ 1905.258140][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1905.258140][ T10] netdev_get_by_index+0x5e/0x80 [ 1905.258140][ T10] fib6_nh_init+0x3d8/0x1580 [ 1905.258140][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1905.258140][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1905.258140][ T10] ipv6_add_addr+0x411/0x2000 [ 1905.258140][ T10] inet6_addr_add+0x30e/0xa40 [ 1905.258140][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1905.258140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.258140][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.258140][ T10] netlink_unicast+0x449/0x710 [ 1905.258140][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.258140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.258140][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.258140][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.258140][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.258140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.258140][ T10] [ 1905.260545][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1905.260545][ T10] netdev_get_by_index+0x5e/0x80 [ 1905.260545][ T10] fib6_nh_init+0x3d8/0x1580 [ 1905.260545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1905.260545][ T10] ip6_route_add+0x1c/0x140 [ 1905.260545][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1905.260545][ T10] addrconf_add_dev+0xe2/0x170 [ 1905.260545][ T10] inet6_addr_add+0x12f/0xa40 [ 1905.260545][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1905.260545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.260545][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.260545][ T10] netlink_unicast+0x449/0x710 [ 1905.260545][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.260545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.260545][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.260545][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.260545][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.260545][ T10] [ 1905.262842][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1905.262842][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1905.262842][ T10] ipv6_find_idev+0x102/0x170 [ 1905.262842][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.262842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.262842][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.262842][ T10] netlink_unicast+0x449/0x710 [ 1905.262842][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.262842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.262842][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.262842][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.262842][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.262842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.262842][ T10] [ 1905.264681][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1905.264681][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1905.264681][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1905.264681][ T10] ipv6_find_idev+0x102/0x170 [ 1905.264681][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.264681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.264681][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.264681][ T10] netlink_unicast+0x449/0x710 [ 1905.264681][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.264681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.264681][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.264681][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.264681][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.264681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.264681][ T10] [ 1911.361077][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1911.361551][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1911.361551][ T1167] dst_init+0x84/0x4a0 [ 1911.361551][ T1167] dst_alloc+0x97/0x150 [ 1911.361551][ T1167] ip6_dst_alloc+0x23/0x90 [ 1911.361551][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1911.361551][ T1167] ip6_pol_route+0x56f/0x840 [ 1911.361551][ T1167] fib6_rule_lookup+0x334/0x630 [ 1911.361551][ T1167] ip6_route_output_flags+0x259/0x480 [ 1911.361551][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1911.361551][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1911.361551][ T1167] netlink_rcv_skb+0x130/0x360 [ 1911.361551][ T1167] netlink_unicast+0x449/0x710 [ 1911.361551][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1911.361551][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1911.361551][ T1167] ___sys_sendmsg+0xee/0x170 [ 1911.361551][ T1167] __sys_sendmsg+0xcd/0x170 [ 1911.361551][ T1167] do_syscall_64+0xc6/0x1e0 [ 1911.361551][ T1167] [ 1911.364035][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1911.364035][ T1167] netdev_get_by_index+0x5e/0x80 [ 1911.364035][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1911.364035][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1911.364035][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1911.364035][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1911.364035][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1911.364035][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1911.364035][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1911.364035][ T1167] addrconf_dad_begin+0x310/0x670 [ 1911.364035][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1911.364035][ T1167] process_one_work+0x84d/0x18a0 [ 1911.364035][ T1167] worker_thread+0x587/0xd30 [ 1911.364035][ T1167] kthread+0x28a/0x350 [ 1911.364035][ T1167] ret_from_fork+0x31/0x70 [ 1911.364035][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1911.364035][ T1167] [ 1911.366292][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1911.366292][ T1167] netdev_get_by_index+0x5e/0x80 [ 1911.366292][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1911.366292][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1911.366292][ T1167] ip6_route_add+0x1c/0x140 [ 1911.366292][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1911.366292][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1911.366292][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1911.366292][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1911.366292][ T1167] netlink_rcv_skb+0x130/0x360 [ 1911.366292][ T1167] netlink_unicast+0x449/0x710 [ 1911.366292][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1911.366292][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1911.366292][ T1167] ___sys_sendmsg+0xee/0x170 [ 1911.366292][ T1167] __sys_sendmsg+0xcd/0x170 [ 1911.366292][ T1167] do_syscall_64+0xc6/0x1e0 [ 1911.366292][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1911.366292][ T1167] [ 1911.368631][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1911.368631][ T1167] netdev_get_by_index+0x5e/0x80 [ 1911.368631][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1911.368631][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1911.368631][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1911.368631][ T1167] ipv6_add_addr+0x411/0x2000 [ 1911.368631][ T1167] inet6_addr_add+0x30e/0xa40 [ 1911.368631][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1911.368631][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1911.368631][ T1167] netlink_rcv_skb+0x130/0x360 [ 1911.368631][ T1167] netlink_unicast+0x449/0x710 [ 1911.368631][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1911.368631][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1911.368631][ T1167] ___sys_sendmsg+0xee/0x170 [ 1911.368631][ T1167] __sys_sendmsg+0xcd/0x170 [ 1911.368631][ T1167] do_syscall_64+0xc6/0x1e0 [ 1911.368631][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1911.368631][ T1167] [ 1911.371417][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1911.371417][ T1167] netdev_get_by_index+0x5e/0x80 [ 1911.371417][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1911.371417][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1911.371417][ T1167] ip6_route_add+0x1c/0x140 [ 1911.371417][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1911.371417][ T1167] addrconf_add_dev+0xe2/0x170 [ 1911.371417][ T1167] inet6_addr_add+0x12f/0xa40 [ 1911.371417][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1911.371417][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1911.371417][ T1167] netlink_rcv_skb+0x130/0x360 [ 1911.371417][ T1167] netlink_unicast+0x449/0x710 [ 1911.371417][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1911.371417][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1911.371417][ T1167] ___sys_sendmsg+0xee/0x170 [ 1911.371417][ T1167] __sys_sendmsg+0xcd/0x170 [ 1911.371417][ T1167] do_syscall_64+0xc6/0x1e0 [ 1911.371417][ T1167] [ 1911.374859][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1911.374859][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1911.374859][ T1167] ipv6_find_idev+0x102/0x170 [ 1911.374859][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1911.374859][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1911.374859][ T1167] netlink_rcv_skb+0x130/0x360 [ 1911.374859][ T1167] netlink_unicast+0x449/0x710 [ 1911.374859][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1911.374859][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1911.374859][ T1167] ___sys_sendmsg+0xee/0x170 [ 1911.374859][ T1167] __sys_sendmsg+0xcd/0x170 [ 1911.374859][ T1167] do_syscall_64+0xc6/0x1e0 [ 1911.374859][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1911.374859][ T1167] [ 1911.377651][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1911.377651][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1911.377651][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1911.377651][ T1167] ipv6_find_idev+0x102/0x170 [ 1911.377651][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1911.377651][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1911.377651][ T1167] netlink_rcv_skb+0x130/0x360 [ 1911.377651][ T1167] netlink_unicast+0x449/0x710 [ 1911.377651][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1911.377651][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1911.377651][ T1167] ___sys_sendmsg+0xee/0x170 [ 1911.377651][ T1167] __sys_sendmsg+0xcd/0x170 [ 1911.377651][ T1167] do_syscall_64+0xc6/0x1e0 [ 1911.377651][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1911.377651][ T1167] [ 1915.505125][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1915.505594][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1915.505594][ T10] netdev_get_by_index+0x5e/0x80 [ 1915.505594][ T10] fib6_nh_init+0x3d8/0x1580 [ 1915.505594][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1915.505594][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1915.505594][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1915.505594][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1915.505594][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1915.505594][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1915.505594][ T10] addrconf_dad_begin+0x310/0x670 [ 1915.505594][ T10] addrconf_dad_work+0x10b/0xab0 [ 1915.505594][ T10] process_one_work+0x84d/0x18a0 [ 1915.505594][ T10] worker_thread+0x587/0xd30 [ 1915.505594][ T10] kthread+0x28a/0x350 [ 1915.505594][ T10] ret_from_fork+0x31/0x70 [ 1915.505594][ T10] ret_from_fork_asm+0x1a/0x30 [ 1915.505594][ T10] [ 1915.507626][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1915.507626][ T10] netdev_get_by_index+0x5e/0x80 [ 1915.507626][ T10] fib6_nh_init+0x3d8/0x1580 [ 1915.507626][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1915.507626][ T10] ip6_route_add+0x1c/0x140 [ 1915.507626][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1915.507626][ T10] inet6_addr_add+0x4f8/0xa40 [ 1915.507626][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1915.507626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.507626][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.507626][ T10] netlink_unicast+0x449/0x710 [ 1915.507626][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.507626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.507626][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.507626][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.507626][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.507626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.507626][ T10] [ 1915.509749][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1915.509749][ T10] netdev_get_by_index+0x5e/0x80 [ 1915.509749][ T10] fib6_nh_init+0x3d8/0x1580 [ 1915.509749][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1915.509749][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1915.509749][ T10] ipv6_add_addr+0x411/0x2000 [ 1915.509749][ T10] inet6_addr_add+0x30e/0xa40 [ 1915.509749][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1915.509749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.509749][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.509749][ T10] netlink_unicast+0x449/0x710 [ 1915.509749][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.509749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.509749][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.509749][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.509749][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.509749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.509749][ T10] [ 1915.511739][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1915.511739][ T10] netdev_get_by_index+0x5e/0x80 [ 1915.511739][ T10] fib6_nh_init+0x3d8/0x1580 [ 1915.511739][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1915.511739][ T10] ip6_route_add+0x1c/0x140 [ 1915.511739][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1915.511739][ T10] addrconf_add_dev+0xe2/0x170 [ 1915.511739][ T10] inet6_addr_add+0x12f/0xa40 [ 1915.511739][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1915.511739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.511739][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.511739][ T10] netlink_unicast+0x449/0x710 [ 1915.511739][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.511739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.511739][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.511739][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.511739][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.511739][ T10] [ 1915.513701][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1915.513701][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1915.513701][ T10] ipv6_find_idev+0x102/0x170 [ 1915.513701][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.513701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.513701][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.513701][ T10] netlink_unicast+0x449/0x710 [ 1915.513701][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.513701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.513701][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.513701][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.513701][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.513701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.513701][ T10] [ 1915.515246][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1915.515246][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1915.515246][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1915.515246][ T10] ipv6_find_idev+0x102/0x170 [ 1915.515246][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.515246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.515246][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.515246][ T10] netlink_unicast+0x449/0x710 [ 1915.515246][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.515246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.515246][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.515246][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.515246][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.515246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.515246][ T10] [ 1915.516929][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1915.517197][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1915.517197][ T10] netdev_get_by_index+0x5e/0x80 [ 1915.517197][ T10] fib6_nh_init+0x3d8/0x1580 [ 1915.517197][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1915.517197][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1915.517197][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1915.517197][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1915.517197][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1915.517197][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1915.517197][ T10] addrconf_dad_begin+0x310/0x670 [ 1915.517197][ T10] addrconf_dad_work+0x10b/0xab0 [ 1915.517197][ T10] process_one_work+0x84d/0x18a0 [ 1915.517197][ T10] worker_thread+0x587/0xd30 [ 1915.517197][ T10] kthread+0x28a/0x350 [ 1915.517197][ T10] ret_from_fork+0x31/0x70 [ 1915.517197][ T10] ret_from_fork_asm+0x1a/0x30 [ 1915.517197][ T10] [ 1915.519107][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1915.519107][ T10] netdev_get_by_index+0x5e/0x80 [ 1915.519107][ T10] fib6_nh_init+0x3d8/0x1580 [ 1915.519107][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1915.519107][ T10] ip6_route_add+0x1c/0x140 [ 1915.519107][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1915.519107][ T10] inet6_addr_add+0x4f8/0xa40 [ 1915.519107][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1915.519107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.519107][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.519107][ T10] netlink_unicast+0x449/0x710 [ 1915.519107][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.519107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.519107][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.519107][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.519107][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.519107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.519107][ T10] [ 1915.521100][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1915.521100][ T10] netdev_get_by_index+0x5e/0x80 [ 1915.521100][ T10] fib6_nh_init+0x3d8/0x1580 [ 1915.521100][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1915.521100][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1915.521100][ T10] ipv6_add_addr+0x411/0x2000 [ 1915.521100][ T10] inet6_addr_add+0x30e/0xa40 [ 1915.521100][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1915.521100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.521100][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.521100][ T10] netlink_unicast+0x449/0x710 [ 1915.521100][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.521100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.521100][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.521100][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.521100][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.521100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.521100][ T10] [ 1915.523093][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1915.523093][ T10] netdev_get_by_index+0x5e/0x80 [ 1915.523093][ T10] fib6_nh_init+0x3d8/0x1580 [ 1915.523093][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1915.523093][ T10] ip6_route_add+0x1c/0x140 [ 1915.523093][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1915.523093][ T10] addrconf_add_dev+0xe2/0x170 [ 1915.523093][ T10] inet6_addr_add+0x12f/0xa40 [ 1915.523093][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1915.523093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.523093][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.523093][ T10] netlink_unicast+0x449/0x710 [ 1915.523093][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.523093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.523093][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.523093][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.523093][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.523093][ T10] [ 1915.525060][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1915.525060][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1915.525060][ T10] ipv6_find_idev+0x102/0x170 [ 1915.525060][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.525060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.525060][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.525060][ T10] netlink_unicast+0x449/0x710 [ 1915.525060][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.525060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.525060][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.525060][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.525060][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.525060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.525060][ T10] [ 1915.526587][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1915.526587][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1915.526587][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1915.526587][ T10] ipv6_find_idev+0x102/0x170 [ 1915.526587][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.526587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.526587][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.526587][ T10] netlink_unicast+0x449/0x710 [ 1915.526587][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.526587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.526587][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.526587][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.526587][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.526587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.526587][ T10] [ 1915.528274][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1915.528514][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1915.528514][ T10] netdev_get_by_index+0x5e/0x80 [ 1915.528514][ T10] fib6_nh_init+0x3d8/0x1580 [ 1915.528514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1915.528514][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1915.528514][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1915.528514][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1915.528514][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1915.528514][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1915.528514][ T10] addrconf_dad_begin+0x310/0x670 [ 1915.528514][ T10] addrconf_dad_work+0x10b/0xab0 [ 1915.528514][ T10] process_one_work+0x84d/0x18a0 [ 1915.528514][ T10] worker_thread+0x587/0xd30 [ 1915.528514][ T10] kthread+0x28a/0x350 [ 1915.528514][ T10] ret_from_fork+0x31/0x70 [ 1915.528514][ T10] ret_from_fork_asm+0x1a/0x30 [ 1915.528514][ T10] [ 1915.530427][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1915.530427][ T10] netdev_get_by_index+0x5e/0x80 [ 1915.530427][ T10] fib6_nh_init+0x3d8/0x1580 [ 1915.530427][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1915.530427][ T10] ip6_route_add+0x1c/0x140 [ 1915.530427][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1915.530427][ T10] inet6_addr_add+0x4f8/0xa40 [ 1915.530427][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1915.530427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.530427][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.530427][ T10] netlink_unicast+0x449/0x710 [ 1915.530427][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.530427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.530427][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.530427][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.530427][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.530427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.530427][ T10] [ 1915.532701][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1915.532701][ T10] netdev_get_by_index+0x5e/0x80 [ 1915.532701][ T10] fib6_nh_init+0x3d8/0x1580 [ 1915.532701][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1915.532701][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1915.532701][ T10] ipv6_add_addr+0x411/0x2000 [ 1915.532701][ T10] inet6_addr_add+0x30e/0xa40 [ 1915.532701][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1915.532701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.532701][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.532701][ T10] netlink_unicast+0x449/0x710 [ 1915.532701][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.532701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.532701][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.532701][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.532701][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.532701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.532701][ T10] [ 1915.535118][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1915.535118][ T10] netdev_get_by_index+0x5e/0x80 [ 1915.535118][ T10] fib6_nh_init+0x3d8/0x1580 [ 1915.535118][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1915.535118][ T10] ip6_route_add+0x1c/0x140 [ 1915.535118][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1915.535118][ T10] addrconf_add_dev+0xe2/0x170 [ 1915.535118][ T10] inet6_addr_add+0x12f/0xa40 [ 1915.535118][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1915.535118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.535118][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.535118][ T10] netlink_unicast+0x449/0x710 [ 1915.535118][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.535118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.535118][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.535118][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.535118][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.535118][ T10] [ 1915.537350][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1915.537350][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1915.537350][ T10] ipv6_find_idev+0x102/0x170 [ 1915.537350][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.537350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.537350][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.537350][ T10] netlink_unicast+0x449/0x710 [ 1915.537350][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.537350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.537350][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.537350][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.537350][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.537350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.537350][ T10] [ 1915.539167][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1915.539167][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1915.539167][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1915.539167][ T10] ipv6_find_idev+0x102/0x170 [ 1915.539167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.539167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.539167][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.539167][ T10] netlink_unicast+0x449/0x710 [ 1915.539167][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.539167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.539167][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.539167][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.539167][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.539167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.539167][ T10] [ 1915.541182][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1915.541427][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1915.541427][ T10] netdev_get_by_index+0x5e/0x80 [ 1915.541427][ T10] fib6_nh_init+0x3d8/0x1580 [ 1915.541427][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1915.541427][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1915.541427][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1915.541427][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1915.541427][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1915.541427][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1915.541427][ T10] addrconf_dad_begin+0x310/0x670 [ 1915.541427][ T10] addrconf_dad_work+0x10b/0xab0 [ 1915.541427][ T10] process_one_work+0x84d/0x18a0 [ 1915.541427][ T10] worker_thread+0x587/0xd30 [ 1915.541427][ T10] kthread+0x28a/0x350 [ 1915.541427][ T10] ret_from_fork+0x31/0x70 [ 1915.541427][ T10] ret_from_fork_asm+0x1a/0x30 [ 1915.541427][ T10] [ 1915.543737][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1915.543737][ T10] netdev_get_by_index+0x5e/0x80 [ 1915.543737][ T10] fib6_nh_init+0x3d8/0x1580 [ 1915.543737][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1915.543737][ T10] ip6_route_add+0x1c/0x140 [ 1915.543737][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1915.543737][ T10] inet6_addr_add+0x4f8/0xa40 [ 1915.543737][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1915.543737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.543737][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.543737][ T10] netlink_unicast+0x449/0x710 [ 1915.543737][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.543737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.543737][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.543737][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.543737][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.543737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.543737][ T10] [ 1915.546006][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1915.546006][ T10] netdev_get_by_index+0x5e/0x80 [ 1915.546006][ T10] fib6_nh_init+0x3d8/0x1580 [ 1915.546006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1915.546006][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1915.546006][ T10] ipv6_add_addr+0x411/0x2000 [ 1915.546006][ T10] inet6_addr_add+0x30e/0xa40 [ 1915.546006][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1915.546006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.546006][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.546006][ T10] netlink_unicast+0x449/0x710 [ 1915.546006][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.546006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.546006][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.546006][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.546006][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.546006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.546006][ T10] [ 1915.548343][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1915.548343][ T10] netdev_get_by_index+0x5e/0x80 [ 1915.548343][ T10] fib6_nh_init+0x3d8/0x1580 [ 1915.548343][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1915.548343][ T10] ip6_route_add+0x1c/0x140 [ 1915.548343][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1915.548343][ T10] addrconf_add_dev+0xe2/0x170 [ 1915.548343][ T10] inet6_addr_add+0x12f/0xa40 [ 1915.548343][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1915.548343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.548343][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.548343][ T10] netlink_unicast+0x449/0x710 [ 1915.548343][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.548343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.548343][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.548343][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.548343][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.548343][ T10] [ 1915.550697][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1915.550697][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1915.550697][ T10] ipv6_find_idev+0x102/0x170 [ 1915.550697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.550697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.550697][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.550697][ T10] netlink_unicast+0x449/0x710 [ 1915.550697][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.550697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.550697][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.550697][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.550697][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.550697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.550697][ T10] [ 1915.552525][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1915.552525][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1915.552525][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1915.552525][ T10] ipv6_find_idev+0x102/0x170 [ 1915.552525][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.552525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.552525][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.552525][ T10] netlink_unicast+0x449/0x710 [ 1915.552525][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.552525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.552525][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.552525][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.552525][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.552525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.552525][ T10] [ 1921.617112][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1921.617698][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1921.617698][ T1167] dst_init+0x84/0x4a0 [ 1921.617698][ T1167] dst_alloc+0x97/0x150 [ 1921.617698][ T1167] ip6_dst_alloc+0x23/0x90 [ 1921.617698][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1921.617698][ T1167] ip6_pol_route+0x56f/0x840 [ 1921.617698][ T1167] fib6_rule_lookup+0x334/0x630 [ 1921.617698][ T1167] ip6_route_output_flags+0x259/0x480 [ 1921.617698][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1921.617698][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1921.617698][ T1167] netlink_rcv_skb+0x130/0x360 [ 1921.617698][ T1167] netlink_unicast+0x449/0x710 [ 1921.617698][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1921.617698][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1921.617698][ T1167] ___sys_sendmsg+0xee/0x170 [ 1921.617698][ T1167] __sys_sendmsg+0xcd/0x170 [ 1921.617698][ T1167] do_syscall_64+0xc6/0x1e0 [ 1921.617698][ T1167] [ 1921.620034][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1921.620034][ T1167] netdev_get_by_index+0x5e/0x80 [ 1921.620034][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1921.620034][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1921.620034][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1921.620034][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1921.620034][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1921.620034][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1921.620034][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1921.620034][ T1167] addrconf_dad_begin+0x310/0x670 [ 1921.620034][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1921.620034][ T1167] process_one_work+0x84d/0x18a0 [ 1921.620034][ T1167] worker_thread+0x587/0xd30 [ 1921.620034][ T1167] kthread+0x28a/0x350 [ 1921.620034][ T1167] ret_from_fork+0x31/0x70 [ 1921.620034][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1921.620034][ T1167] [ 1921.622389][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1921.622389][ T1167] netdev_get_by_index+0x5e/0x80 [ 1921.622389][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1921.622389][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1921.622389][ T1167] ip6_route_add+0x1c/0x140 [ 1921.622389][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1921.622389][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1921.622389][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1921.622389][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1921.622389][ T1167] netlink_rcv_skb+0x130/0x360 [ 1921.622389][ T1167] netlink_unicast+0x449/0x710 [ 1921.622389][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1921.622389][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1921.622389][ T1167] ___sys_sendmsg+0xee/0x170 [ 1921.622389][ T1167] __sys_sendmsg+0xcd/0x170 [ 1921.622389][ T1167] do_syscall_64+0xc6/0x1e0 [ 1921.622389][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1921.622389][ T1167] [ 1921.624861][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1921.624861][ T1167] netdev_get_by_index+0x5e/0x80 [ 1921.624861][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1921.624861][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1921.624861][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1921.624861][ T1167] ipv6_add_addr+0x411/0x2000 [ 1921.624861][ T1167] inet6_addr_add+0x30e/0xa40 [ 1921.624861][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1921.624861][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1921.624861][ T1167] netlink_rcv_skb+0x130/0x360 [ 1921.624861][ T1167] netlink_unicast+0x449/0x710 [ 1921.624861][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1921.624861][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1921.624861][ T1167] ___sys_sendmsg+0xee/0x170 [ 1921.624861][ T1167] __sys_sendmsg+0xcd/0x170 [ 1921.624861][ T1167] do_syscall_64+0xc6/0x1e0 [ 1921.624861][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1921.624861][ T1167] [ 1921.627247][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1921.627247][ T1167] netdev_get_by_index+0x5e/0x80 [ 1921.627247][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1921.627247][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1921.627247][ T1167] ip6_route_add+0x1c/0x140 [ 1921.627247][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1921.627247][ T1167] addrconf_add_dev+0xe2/0x170 [ 1921.627247][ T1167] inet6_addr_add+0x12f/0xa40 [ 1921.627247][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1921.627247][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1921.627247][ T1167] netlink_rcv_skb+0x130/0x360 [ 1921.627247][ T1167] netlink_unicast+0x449/0x710 [ 1921.627247][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1921.627247][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1921.627247][ T1167] ___sys_sendmsg+0xee/0x170 [ 1921.627247][ T1167] __sys_sendmsg+0xcd/0x170 [ 1921.627247][ T1167] do_syscall_64+0xc6/0x1e0 [ 1921.627247][ T1167] [ 1921.629714][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1921.629714][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1921.629714][ T1167] ipv6_find_idev+0x102/0x170 [ 1921.629714][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1921.629714][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1921.629714][ T1167] netlink_rcv_skb+0x130/0x360 [ 1921.629714][ T1167] netlink_unicast+0x449/0x710 [ 1921.629714][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1921.629714][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1921.629714][ T1167] ___sys_sendmsg+0xee/0x170 [ 1921.629714][ T1167] __sys_sendmsg+0xcd/0x170 [ 1921.629714][ T1167] do_syscall_64+0xc6/0x1e0 [ 1921.629714][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1921.629714][ T1167] [ 1921.631751][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1921.631751][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1921.631751][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1921.631751][ T1167] ipv6_find_idev+0x102/0x170 [ 1921.631751][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1921.631751][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1921.631751][ T1167] netlink_rcv_skb+0x130/0x360 [ 1921.631751][ T1167] netlink_unicast+0x449/0x710 [ 1921.631751][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1921.631751][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1921.631751][ T1167] ___sys_sendmsg+0xee/0x170 [ 1921.631751][ T1167] __sys_sendmsg+0xcd/0x170 [ 1921.631751][ T1167] do_syscall_64+0xc6/0x1e0 [ 1921.631751][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1921.631751][ T1167] [ 1925.793065][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1925.793603][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1925.793603][ T10] netdev_get_by_index+0x5e/0x80 [ 1925.793603][ T10] fib6_nh_init+0x3d8/0x1580 [ 1925.793603][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1925.793603][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1925.793603][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1925.793603][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1925.793603][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1925.793603][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1925.793603][ T10] addrconf_dad_begin+0x310/0x670 [ 1925.793603][ T10] addrconf_dad_work+0x10b/0xab0 [ 1925.793603][ T10] process_one_work+0x84d/0x18a0 [ 1925.793603][ T10] worker_thread+0x587/0xd30 [ 1925.793603][ T10] kthread+0x28a/0x350 [ 1925.793603][ T10] ret_from_fork+0x31/0x70 [ 1925.793603][ T10] ret_from_fork_asm+0x1a/0x30 [ 1925.793603][ T10] [ 1925.796799][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1925.796799][ T10] netdev_get_by_index+0x5e/0x80 [ 1925.796799][ T10] fib6_nh_init+0x3d8/0x1580 [ 1925.796799][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1925.796799][ T10] ip6_route_add+0x1c/0x140 [ 1925.796799][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1925.796799][ T10] inet6_addr_add+0x4f8/0xa40 [ 1925.796799][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1925.796799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.796799][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.796799][ T10] netlink_unicast+0x449/0x710 [ 1925.796799][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.796799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.796799][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.796799][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.796799][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.796799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.796799][ T10] [ 1925.800117][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1925.800117][ T10] netdev_get_by_index+0x5e/0x80 [ 1925.800117][ T10] fib6_nh_init+0x3d8/0x1580 [ 1925.800117][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1925.800117][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1925.800117][ T10] ipv6_add_addr+0x411/0x2000 [ 1925.800117][ T10] inet6_addr_add+0x30e/0xa40 [ 1925.800117][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1925.800117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.800117][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.800117][ T10] netlink_unicast+0x449/0x710 [ 1925.800117][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.800117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.800117][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.800117][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.800117][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.800117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.800117][ T10] [ 1925.803422][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1925.803422][ T10] netdev_get_by_index+0x5e/0x80 [ 1925.803422][ T10] fib6_nh_init+0x3d8/0x1580 [ 1925.803422][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1925.803422][ T10] ip6_route_add+0x1c/0x140 [ 1925.803422][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1925.803422][ T10] addrconf_add_dev+0xe2/0x170 [ 1925.803422][ T10] inet6_addr_add+0x12f/0xa40 [ 1925.803422][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1925.803422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.803422][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.803422][ T10] netlink_unicast+0x449/0x710 [ 1925.803422][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.803422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.803422][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.803422][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.803422][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.803422][ T10] [ 1925.806679][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1925.806679][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1925.806679][ T10] ipv6_find_idev+0x102/0x170 [ 1925.806679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1925.806679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.806679][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.806679][ T10] netlink_unicast+0x449/0x710 [ 1925.806679][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.806679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.806679][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.806679][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.806679][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.806679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.806679][ T10] [ 1925.809375][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1925.809375][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1925.809375][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1925.809375][ T10] ipv6_find_idev+0x102/0x170 [ 1925.809375][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1925.809375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.809375][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.809375][ T10] netlink_unicast+0x449/0x710 [ 1925.809375][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.809375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.809375][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.809375][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.809375][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.809375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.809375][ T10] [ 1925.812214][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1925.812632][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1925.812632][ T10] netdev_get_by_index+0x5e/0x80 [ 1925.812632][ T10] fib6_nh_init+0x3d8/0x1580 [ 1925.812632][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1925.812632][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1925.812632][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1925.812632][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1925.812632][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1925.812632][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1925.812632][ T10] addrconf_dad_begin+0x310/0x670 [ 1925.812632][ T10] addrconf_dad_work+0x10b/0xab0 [ 1925.812632][ T10] process_one_work+0x84d/0x18a0 [ 1925.812632][ T10] worker_thread+0x587/0xd30 [ 1925.812632][ T10] kthread+0x28a/0x350 [ 1925.812632][ T10] ret_from_fork+0x31/0x70 [ 1925.812632][ T10] ret_from_fork_asm+0x1a/0x30 [ 1925.812632][ T10] [ 1925.816007][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1925.816007][ T10] netdev_get_by_index+0x5e/0x80 [ 1925.816007][ T10] fib6_nh_init+0x3d8/0x1580 [ 1925.816007][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1925.816007][ T10] ip6_route_add+0x1c/0x140 [ 1925.816007][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1925.816007][ T10] inet6_addr_add+0x4f8/0xa40 [ 1925.816007][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1925.816007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.816007][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.816007][ T10] netlink_unicast+0x449/0x710 [ 1925.816007][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.816007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.816007][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.816007][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.816007][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.816007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.816007][ T10] [ 1925.819519][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1925.819519][ T10] netdev_get_by_index+0x5e/0x80 [ 1925.819519][ T10] fib6_nh_init+0x3d8/0x1580 [ 1925.819519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1925.819519][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1925.819519][ T10] ipv6_add_addr+0x411/0x2000 [ 1925.819519][ T10] inet6_addr_add+0x30e/0xa40 [ 1925.819519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1925.819519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.819519][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.819519][ T10] netlink_unicast+0x449/0x710 [ 1925.819519][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.819519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.819519][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.819519][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.819519][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.819519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.819519][ T10] [ 1925.823036][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1925.823036][ T10] netdev_get_by_index+0x5e/0x80 [ 1925.823036][ T10] fib6_nh_init+0x3d8/0x1580 [ 1925.823036][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1925.823036][ T10] ip6_route_add+0x1c/0x140 [ 1925.823036][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1925.823036][ T10] addrconf_add_dev+0xe2/0x170 [ 1925.823036][ T10] inet6_addr_add+0x12f/0xa40 [ 1925.823036][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1925.823036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.823036][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.823036][ T10] netlink_unicast+0x449/0x710 [ 1925.823036][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.823036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.823036][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.823036][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.823036][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.823036][ T10] [ 1925.826528][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1925.826528][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1925.826528][ T10] ipv6_find_idev+0x102/0x170 [ 1925.826528][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1925.826528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.826528][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.826528][ T10] netlink_unicast+0x449/0x710 [ 1925.826528][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.826528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.826528][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.826528][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.826528][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.826528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.826528][ T10] [ 1925.829319][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1925.829319][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1925.829319][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1925.829319][ T10] ipv6_find_idev+0x102/0x170 [ 1925.829319][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1925.829319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.829319][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.829319][ T10] netlink_unicast+0x449/0x710 [ 1925.829319][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.829319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.829319][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.829319][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.829319][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.829319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.829319][ T10] [ 1925.832351][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1925.832778][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1925.832778][ T10] netdev_get_by_index+0x5e/0x80 [ 1925.832778][ T10] fib6_nh_init+0x3d8/0x1580 [ 1925.832778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1925.832778][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1925.832778][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1925.832778][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1925.832778][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1925.832778][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1925.832778][ T10] addrconf_dad_begin+0x310/0x670 [ 1925.832778][ T10] addrconf_dad_work+0x10b/0xab0 [ 1925.832778][ T10] process_one_work+0x84d/0x18a0 [ 1925.832778][ T10] worker_thread+0x587/0xd30 [ 1925.832778][ T10] kthread+0x28a/0x350 [ 1925.832778][ T10] ret_from_fork+0x31/0x70 [ 1925.832778][ T10] ret_from_fork_asm+0x1a/0x30 [ 1925.832778][ T10] [ 1925.836173][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1925.836173][ T10] netdev_get_by_index+0x5e/0x80 [ 1925.836173][ T10] fib6_nh_init+0x3d8/0x1580 [ 1925.836173][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1925.836173][ T10] ip6_route_add+0x1c/0x140 [ 1925.836173][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1925.836173][ T10] inet6_addr_add+0x4f8/0xa40 [ 1925.836173][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1925.836173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.836173][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.836173][ T10] netlink_unicast+0x449/0x710 [ 1925.836173][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.836173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.836173][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.836173][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.836173][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.836173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.836173][ T10] [ 1925.839983][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1925.839983][ T10] netdev_get_by_index+0x5e/0x80 [ 1925.839983][ T10] fib6_nh_init+0x3d8/0x1580 [ 1925.839983][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1925.839983][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1925.839983][ T10] ipv6_add_addr+0x411/0x2000 [ 1925.839983][ T10] inet6_addr_add+0x30e/0xa40 [ 1925.839983][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1925.839983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.839983][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.839983][ T10] netlink_unicast+0x449/0x710 [ 1925.839983][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.839983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.839983][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.839983][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.839983][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.839983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.839983][ T10] [ 1925.844034][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1925.844034][ T10] netdev_get_by_index+0x5e/0x80 [ 1925.844034][ T10] fib6_nh_init+0x3d8/0x1580 [ 1925.844034][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1925.844034][ T10] ip6_route_add+0x1c/0x140 [ 1925.844034][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1925.844034][ T10] addrconf_add_dev+0xe2/0x170 [ 1925.844034][ T10] inet6_addr_add+0x12f/0xa40 [ 1925.844034][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1925.844034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.844034][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.844034][ T10] netlink_unicast+0x449/0x710 [ 1925.844034][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.844034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.844034][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.844034][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.844034][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.844034][ T10] [ 1925.847952][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1925.847952][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1925.847952][ T10] ipv6_find_idev+0x102/0x170 [ 1925.847952][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1925.847952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.847952][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.847952][ T10] netlink_unicast+0x449/0x710 [ 1925.847952][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.847952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.847952][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.847952][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.847952][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.847952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.847952][ T10] [ 1925.850964][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1925.850964][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1925.850964][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1925.850964][ T10] ipv6_find_idev+0x102/0x170 [ 1925.850964][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1925.850964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.850964][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.850964][ T10] netlink_unicast+0x449/0x710 [ 1925.850964][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.850964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.850964][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.850964][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.850964][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.850964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.850964][ T10] [ 1925.853956][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1925.854771][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1925.854771][ T10] netdev_get_by_index+0x5e/0x80 [ 1925.854771][ T10] fib6_nh_init+0x3d8/0x1580 [ 1925.854771][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1925.854771][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1925.854771][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1925.854771][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1925.854771][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1925.854771][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1925.854771][ T10] addrconf_dad_begin+0x310/0x670 [ 1925.854771][ T10] addrconf_dad_work+0x10b/0xab0 [ 1925.854771][ T10] process_one_work+0x84d/0x18a0 [ 1925.854771][ T10] worker_thread+0x587/0xd30 [ 1925.854771][ T10] kthread+0x28a/0x350 [ 1925.854771][ T10] ret_from_fork+0x31/0x70 [ 1925.854771][ T10] ret_from_fork_asm+0x1a/0x30 [ 1925.854771][ T10] [ 1925.857886][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1925.857886][ T10] netdev_get_by_index+0x5e/0x80 [ 1925.857886][ T10] fib6_nh_init+0x3d8/0x1580 [ 1925.857886][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1925.857886][ T10] ip6_route_add+0x1c/0x140 [ 1925.857886][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1925.857886][ T10] inet6_addr_add+0x4f8/0xa40 [ 1925.857886][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1925.857886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.857886][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.857886][ T10] netlink_unicast+0x449/0x710 [ 1925.857886][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.857886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.857886][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.857886][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.857886][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.857886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.857886][ T10] [ 1925.861462][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1925.861462][ T10] netdev_get_by_index+0x5e/0x80 [ 1925.861462][ T10] fib6_nh_init+0x3d8/0x1580 [ 1925.861462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1925.861462][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1925.861462][ T10] ipv6_add_addr+0x411/0x2000 [ 1925.861462][ T10] inet6_addr_add+0x30e/0xa40 [ 1925.861462][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1925.861462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.861462][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.861462][ T10] netlink_unicast+0x449/0x710 [ 1925.861462][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.861462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.861462][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.861462][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.861462][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.861462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.861462][ T10] [ 1925.865320][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1925.865320][ T10] netdev_get_by_index+0x5e/0x80 [ 1925.865320][ T10] fib6_nh_init+0x3d8/0x1580 [ 1925.865320][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1925.865320][ T10] ip6_route_add+0x1c/0x140 [ 1925.865320][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1925.865320][ T10] addrconf_add_dev+0xe2/0x170 [ 1925.865320][ T10] inet6_addr_add+0x12f/0xa40 [ 1925.865320][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1925.865320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.865320][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.865320][ T10] netlink_unicast+0x449/0x710 [ 1925.865320][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.865320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.865320][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.865320][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.865320][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.865320][ T10] [ 1925.868897][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1925.868897][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1925.868897][ T10] ipv6_find_idev+0x102/0x170 [ 1925.868897][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1925.868897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.868897][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.868897][ T10] netlink_unicast+0x449/0x710 [ 1925.868897][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.868897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.868897][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.868897][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.868897][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.868897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.868897][ T10] [ 1925.871792][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1925.871792][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1925.871792][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1925.871792][ T10] ipv6_find_idev+0x102/0x170 [ 1925.871792][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1925.871792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.871792][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.871792][ T10] netlink_unicast+0x449/0x710 [ 1925.871792][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.871792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.871792][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.871792][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.871792][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.871792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.871792][ T10] [ 1931.873132][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1931.873637][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1931.873637][ T1167] dst_init+0x84/0x4a0 [ 1931.873637][ T1167] dst_alloc+0x97/0x150 [ 1931.873637][ T1167] ip6_dst_alloc+0x23/0x90 [ 1931.873637][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1931.873637][ T1167] ip6_pol_route+0x56f/0x840 [ 1931.873637][ T1167] fib6_rule_lookup+0x334/0x630 [ 1931.873637][ T1167] ip6_route_output_flags+0x259/0x480 [ 1931.873637][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1931.873637][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1931.873637][ T1167] netlink_rcv_skb+0x130/0x360 [ 1931.873637][ T1167] netlink_unicast+0x449/0x710 [ 1931.873637][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1931.873637][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1931.873637][ T1167] ___sys_sendmsg+0xee/0x170 [ 1931.873637][ T1167] __sys_sendmsg+0xcd/0x170 [ 1931.873637][ T1167] do_syscall_64+0xc6/0x1e0 [ 1931.873637][ T1167] [ 1931.875845][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1931.875845][ T1167] netdev_get_by_index+0x5e/0x80 [ 1931.875845][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1931.875845][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1931.875845][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1931.875845][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1931.875845][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1931.875845][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1931.875845][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1931.875845][ T1167] addrconf_dad_begin+0x310/0x670 [ 1931.875845][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1931.875845][ T1167] process_one_work+0x84d/0x18a0 [ 1931.875845][ T1167] worker_thread+0x587/0xd30 [ 1931.875845][ T1167] kthread+0x28a/0x350 [ 1931.875845][ T1167] ret_from_fork+0x31/0x70 [ 1931.875845][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1931.875845][ T1167] [ 1931.878002][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1931.878002][ T1167] netdev_get_by_index+0x5e/0x80 [ 1931.878002][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1931.878002][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1931.878002][ T1167] ip6_route_add+0x1c/0x140 [ 1931.878002][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1931.878002][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1931.878002][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1931.878002][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1931.878002][ T1167] netlink_rcv_skb+0x130/0x360 [ 1931.878002][ T1167] netlink_unicast+0x449/0x710 [ 1931.878002][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1931.878002][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1931.878002][ T1167] ___sys_sendmsg+0xee/0x170 [ 1931.878002][ T1167] __sys_sendmsg+0xcd/0x170 [ 1931.878002][ T1167] do_syscall_64+0xc6/0x1e0 [ 1931.878002][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1931.878002][ T1167] [ 1931.880258][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1931.880258][ T1167] netdev_get_by_index+0x5e/0x80 [ 1931.880258][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1931.880258][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1931.880258][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1931.880258][ T1167] ipv6_add_addr+0x411/0x2000 [ 1931.880258][ T1167] inet6_addr_add+0x30e/0xa40 [ 1931.880258][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1931.880258][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1931.880258][ T1167] netlink_rcv_skb+0x130/0x360 [ 1931.880258][ T1167] netlink_unicast+0x449/0x710 [ 1931.880258][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1931.880258][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1931.880258][ T1167] ___sys_sendmsg+0xee/0x170 [ 1931.880258][ T1167] __sys_sendmsg+0xcd/0x170 [ 1931.880258][ T1167] do_syscall_64+0xc6/0x1e0 [ 1931.880258][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1931.880258][ T1167] [ 1931.882503][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1931.882503][ T1167] netdev_get_by_index+0x5e/0x80 [ 1931.882503][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1931.882503][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1931.882503][ T1167] ip6_route_add+0x1c/0x140 [ 1931.882503][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1931.882503][ T1167] addrconf_add_dev+0xe2/0x170 [ 1931.882503][ T1167] inet6_addr_add+0x12f/0xa40 [ 1931.882503][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1931.882503][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1931.882503][ T1167] netlink_rcv_skb+0x130/0x360 [ 1931.882503][ T1167] netlink_unicast+0x449/0x710 [ 1931.882503][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1931.882503][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1931.882503][ T1167] ___sys_sendmsg+0xee/0x170 [ 1931.882503][ T1167] __sys_sendmsg+0xcd/0x170 [ 1931.882503][ T1167] do_syscall_64+0xc6/0x1e0 [ 1931.882503][ T1167] [ 1931.884758][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1931.884758][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1931.884758][ T1167] ipv6_find_idev+0x102/0x170 [ 1931.884758][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1931.884758][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1931.884758][ T1167] netlink_rcv_skb+0x130/0x360 [ 1931.884758][ T1167] netlink_unicast+0x449/0x710 [ 1931.884758][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1931.884758][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1931.884758][ T1167] ___sys_sendmsg+0xee/0x170 [ 1931.884758][ T1167] __sys_sendmsg+0xcd/0x170 [ 1931.884758][ T1167] do_syscall_64+0xc6/0x1e0 [ 1931.884758][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1931.884758][ T1167] [ 1931.886545][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1931.886545][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1931.886545][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1931.886545][ T1167] ipv6_find_idev+0x102/0x170 [ 1931.886545][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1931.886545][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1931.886545][ T1167] netlink_rcv_skb+0x130/0x360 [ 1931.886545][ T1167] netlink_unicast+0x449/0x710 [ 1931.886545][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1931.886545][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1931.886545][ T1167] ___sys_sendmsg+0xee/0x170 [ 1931.886545][ T1167] __sys_sendmsg+0xcd/0x170 [ 1931.886545][ T1167] do_syscall_64+0xc6/0x1e0 [ 1931.886545][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1931.886545][ T1167] [ 1936.113137][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1936.113537][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1936.113537][ T10] netdev_get_by_index+0x5e/0x80 [ 1936.113537][ T10] fib6_nh_init+0x3d8/0x1580 [ 1936.113537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1936.113537][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1936.113537][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1936.113537][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1936.113537][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1936.113537][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1936.113537][ T10] addrconf_dad_begin+0x310/0x670 [ 1936.113537][ T10] addrconf_dad_work+0x10b/0xab0 [ 1936.113537][ T10] process_one_work+0x84d/0x18a0 [ 1936.113537][ T10] worker_thread+0x587/0xd30 [ 1936.113537][ T10] kthread+0x28a/0x350 [ 1936.113537][ T10] ret_from_fork+0x31/0x70 [ 1936.113537][ T10] ret_from_fork_asm+0x1a/0x30 [ 1936.113537][ T10] [ 1936.115666][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1936.115666][ T10] netdev_get_by_index+0x5e/0x80 [ 1936.115666][ T10] fib6_nh_init+0x3d8/0x1580 [ 1936.115666][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1936.115666][ T10] ip6_route_add+0x1c/0x140 [ 1936.115666][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1936.115666][ T10] inet6_addr_add+0x4f8/0xa40 [ 1936.115666][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1936.115666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.115666][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.115666][ T10] netlink_unicast+0x449/0x710 [ 1936.115666][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.115666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.115666][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.115666][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.115666][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.115666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.115666][ T10] [ 1936.117782][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1936.117782][ T10] netdev_get_by_index+0x5e/0x80 [ 1936.117782][ T10] fib6_nh_init+0x3d8/0x1580 [ 1936.117782][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1936.117782][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1936.117782][ T10] ipv6_add_addr+0x411/0x2000 [ 1936.117782][ T10] inet6_addr_add+0x30e/0xa40 [ 1936.117782][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1936.117782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.117782][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.117782][ T10] netlink_unicast+0x449/0x710 [ 1936.117782][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.117782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.117782][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.117782][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.117782][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.117782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.117782][ T10] [ 1936.120657][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1936.120657][ T10] netdev_get_by_index+0x5e/0x80 [ 1936.120657][ T10] fib6_nh_init+0x3d8/0x1580 [ 1936.120657][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1936.120657][ T10] ip6_route_add+0x1c/0x140 [ 1936.120657][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1936.120657][ T10] addrconf_add_dev+0xe2/0x170 [ 1936.120657][ T10] inet6_addr_add+0x12f/0xa40 [ 1936.120657][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1936.120657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.120657][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.120657][ T10] netlink_unicast+0x449/0x710 [ 1936.120657][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.120657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.120657][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.120657][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.120657][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.120657][ T10] [ 1936.123673][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1936.123673][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1936.123673][ T10] ipv6_find_idev+0x102/0x170 [ 1936.123673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1936.123673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.123673][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.123673][ T10] netlink_unicast+0x449/0x710 [ 1936.123673][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.123673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.123673][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.123673][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.123673][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.123673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.123673][ T10] [ 1936.126090][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1936.126090][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1936.126090][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1936.126090][ T10] ipv6_find_idev+0x102/0x170 [ 1936.126090][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1936.126090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.126090][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.126090][ T10] netlink_unicast+0x449/0x710 [ 1936.126090][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.126090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.126090][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.126090][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.126090][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.126090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.126090][ T10] [ 1936.128702][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1936.129132][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1936.129132][ T10] netdev_get_by_index+0x5e/0x80 [ 1936.129132][ T10] fib6_nh_init+0x3d8/0x1580 [ 1936.129132][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1936.129132][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1936.129132][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1936.129132][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1936.129132][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1936.129132][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1936.129132][ T10] addrconf_dad_begin+0x310/0x670 [ 1936.129132][ T10] addrconf_dad_work+0x10b/0xab0 [ 1936.129132][ T10] process_one_work+0x84d/0x18a0 [ 1936.129132][ T10] worker_thread+0x587/0xd30 [ 1936.129132][ T10] kthread+0x28a/0x350 [ 1936.129132][ T10] ret_from_fork+0x31/0x70 [ 1936.129132][ T10] ret_from_fork_asm+0x1a/0x30 [ 1936.129132][ T10] [ 1936.132260][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1936.132260][ T10] netdev_get_by_index+0x5e/0x80 [ 1936.132260][ T10] fib6_nh_init+0x3d8/0x1580 [ 1936.132260][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1936.132260][ T10] ip6_route_add+0x1c/0x140 [ 1936.132260][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1936.132260][ T10] inet6_addr_add+0x4f8/0xa40 [ 1936.132260][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1936.132260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.132260][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.132260][ T10] netlink_unicast+0x449/0x710 [ 1936.132260][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.132260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.132260][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.132260][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.132260][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.132260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.132260][ T10] [ 1936.135430][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1936.135430][ T10] netdev_get_by_index+0x5e/0x80 [ 1936.135430][ T10] fib6_nh_init+0x3d8/0x1580 [ 1936.135430][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1936.135430][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1936.135430][ T10] ipv6_add_addr+0x411/0x2000 [ 1936.135430][ T10] inet6_addr_add+0x30e/0xa40 [ 1936.135430][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1936.135430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.135430][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.135430][ T10] netlink_unicast+0x449/0x710 [ 1936.135430][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.135430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.135430][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.135430][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.135430][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.135430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.135430][ T10] [ 1936.138627][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1936.138627][ T10] netdev_get_by_index+0x5e/0x80 [ 1936.138627][ T10] fib6_nh_init+0x3d8/0x1580 [ 1936.138627][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1936.138627][ T10] ip6_route_add+0x1c/0x140 [ 1936.138627][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1936.138627][ T10] addrconf_add_dev+0xe2/0x170 [ 1936.138627][ T10] inet6_addr_add+0x12f/0xa40 [ 1936.138627][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1936.138627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.138627][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.138627][ T10] netlink_unicast+0x449/0x710 [ 1936.138627][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.138627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.138627][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.138627][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.138627][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.138627][ T10] [ 1936.141166][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1936.141166][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1936.141166][ T10] ipv6_find_idev+0x102/0x170 [ 1936.141166][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1936.141166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.141166][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.141166][ T10] netlink_unicast+0x449/0x710 [ 1936.141166][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.141166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.141166][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.141166][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.141166][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.141166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.141166][ T10] [ 1936.142954][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1936.142954][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1936.142954][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1936.142954][ T10] ipv6_find_idev+0x102/0x170 [ 1936.142954][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1936.142954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.142954][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.142954][ T10] netlink_unicast+0x449/0x710 [ 1936.142954][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.142954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.142954][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.142954][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.142954][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.142954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.142954][ T10] [ 1936.144760][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1936.145026][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1936.145026][ T10] netdev_get_by_index+0x5e/0x80 [ 1936.145026][ T10] fib6_nh_init+0x3d8/0x1580 [ 1936.145026][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1936.145026][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1936.145026][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1936.145026][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1936.145026][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1936.145026][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1936.145026][ T10] addrconf_dad_begin+0x310/0x670 [ 1936.145026][ T10] addrconf_dad_work+0x10b/0xab0 [ 1936.145026][ T10] process_one_work+0x84d/0x18a0 [ 1936.145026][ T10] worker_thread+0x587/0xd30 [ 1936.145026][ T10] kthread+0x28a/0x350 [ 1936.145026][ T10] ret_from_fork+0x31/0x70 [ 1936.145026][ T10] ret_from_fork_asm+0x1a/0x30 [ 1936.145026][ T10] [ 1936.147031][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1936.147031][ T10] netdev_get_by_index+0x5e/0x80 [ 1936.147031][ T10] fib6_nh_init+0x3d8/0x1580 [ 1936.147031][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1936.147031][ T10] ip6_route_add+0x1c/0x140 [ 1936.147031][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1936.147031][ T10] inet6_addr_add+0x4f8/0xa40 [ 1936.147031][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1936.147031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.147031][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.147031][ T10] netlink_unicast+0x449/0x710 [ 1936.147031][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.147031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.147031][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.147031][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.147031][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.147031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.147031][ T10] [ 1936.149448][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1936.149448][ T10] netdev_get_by_index+0x5e/0x80 [ 1936.149448][ T10] fib6_nh_init+0x3d8/0x1580 [ 1936.149448][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1936.149448][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1936.149448][ T10] ipv6_add_addr+0x411/0x2000 [ 1936.149448][ T10] inet6_addr_add+0x30e/0xa40 [ 1936.149448][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1936.149448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.149448][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.149448][ T10] netlink_unicast+0x449/0x710 [ 1936.149448][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.149448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.149448][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.149448][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.149448][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.149448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.149448][ T10] [ 1936.151860][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1936.151860][ T10] netdev_get_by_index+0x5e/0x80 [ 1936.151860][ T10] fib6_nh_init+0x3d8/0x1580 [ 1936.151860][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1936.151860][ T10] ip6_route_add+0x1c/0x140 [ 1936.151860][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1936.151860][ T10] addrconf_add_dev+0xe2/0x170 [ 1936.151860][ T10] inet6_addr_add+0x12f/0xa40 [ 1936.151860][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1936.151860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.151860][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.151860][ T10] netlink_unicast+0x449/0x710 [ 1936.151860][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.151860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.151860][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.151860][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.151860][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.151860][ T10] [ 1936.154189][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1936.154189][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1936.154189][ T10] ipv6_find_idev+0x102/0x170 [ 1936.154189][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1936.154189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.154189][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.154189][ T10] netlink_unicast+0x449/0x710 [ 1936.154189][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.154189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.154189][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.154189][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.154189][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.154189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.154189][ T10] [ 1936.156032][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1936.156032][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1936.156032][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1936.156032][ T10] ipv6_find_idev+0x102/0x170 [ 1936.156032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1936.156032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.156032][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.156032][ T10] netlink_unicast+0x449/0x710 [ 1936.156032][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.156032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.156032][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.156032][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.156032][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.156032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.156032][ T10] [ 1936.157988][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1936.158267][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1936.158267][ T10] netdev_get_by_index+0x5e/0x80 [ 1936.158267][ T10] fib6_nh_init+0x3d8/0x1580 [ 1936.158267][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1936.158267][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1936.158267][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1936.158267][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1936.158267][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1936.158267][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1936.158267][ T10] addrconf_dad_begin+0x310/0x670 [ 1936.158267][ T10] addrconf_dad_work+0x10b/0xab0 [ 1936.158267][ T10] process_one_work+0x84d/0x18a0 [ 1936.158267][ T10] worker_thread+0x587/0xd30 [ 1936.158267][ T10] kthread+0x28a/0x350 [ 1936.158267][ T10] ret_from_fork+0x31/0x70 [ 1936.158267][ T10] ret_from_fork_asm+0x1a/0x30 [ 1936.158267][ T10] [ 1936.160595][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1936.160595][ T10] netdev_get_by_index+0x5e/0x80 [ 1936.160595][ T10] fib6_nh_init+0x3d8/0x1580 [ 1936.160595][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1936.160595][ T10] ip6_route_add+0x1c/0x140 [ 1936.160595][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1936.160595][ T10] inet6_addr_add+0x4f8/0xa40 [ 1936.160595][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1936.160595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.160595][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.160595][ T10] netlink_unicast+0x449/0x710 [ 1936.160595][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.160595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.160595][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.160595][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.160595][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.160595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.160595][ T10] [ 1936.162964][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1936.162964][ T10] netdev_get_by_index+0x5e/0x80 [ 1936.162964][ T10] fib6_nh_init+0x3d8/0x1580 [ 1936.162964][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1936.162964][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1936.162964][ T10] ipv6_add_addr+0x411/0x2000 [ 1936.162964][ T10] inet6_addr_add+0x30e/0xa40 [ 1936.162964][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1936.162964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.162964][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.162964][ T10] netlink_unicast+0x449/0x710 [ 1936.162964][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.162964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.162964][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.162964][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.162964][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.162964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.162964][ T10] [ 1936.165270][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1936.165270][ T10] netdev_get_by_index+0x5e/0x80 [ 1936.165270][ T10] fib6_nh_init+0x3d8/0x1580 [ 1936.165270][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1936.165270][ T10] ip6_route_add+0x1c/0x140 [ 1936.165270][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1936.165270][ T10] addrconf_add_dev+0xe2/0x170 [ 1936.165270][ T10] inet6_addr_add+0x12f/0xa40 [ 1936.165270][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1936.165270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.165270][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.165270][ T10] netlink_unicast+0x449/0x710 [ 1936.165270][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.165270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.165270][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.165270][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.165270][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.165270][ T10] [ 1936.167494][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1936.167494][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1936.167494][ T10] ipv6_find_idev+0x102/0x170 [ 1936.167494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1936.167494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.167494][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.167494][ T10] netlink_unicast+0x449/0x710 [ 1936.167494][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.167494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.167494][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.167494][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.167494][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.167494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.167494][ T10] [ 1936.169278][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1936.169278][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1936.169278][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1936.169278][ T10] ipv6_find_idev+0x102/0x170 [ 1936.169278][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1936.169278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.169278][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.169278][ T10] netlink_unicast+0x449/0x710 [ 1936.169278][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.169278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.169278][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.169278][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.169278][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.169278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.169278][ T10] [ 1942.129119][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1942.129589][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1942.129589][ T1167] dst_init+0x84/0x4a0 [ 1942.129589][ T1167] dst_alloc+0x97/0x150 [ 1942.129589][ T1167] ip6_dst_alloc+0x23/0x90 [ 1942.129589][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1942.129589][ T1167] ip6_pol_route+0x56f/0x840 [ 1942.129589][ T1167] fib6_rule_lookup+0x334/0x630 [ 1942.129589][ T1167] ip6_route_output_flags+0x259/0x480 [ 1942.129589][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1942.129589][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1942.129589][ T1167] netlink_rcv_skb+0x130/0x360 [ 1942.129589][ T1167] netlink_unicast+0x449/0x710 [ 1942.129589][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1942.129589][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1942.129589][ T1167] ___sys_sendmsg+0xee/0x170 [ 1942.129589][ T1167] __sys_sendmsg+0xcd/0x170 [ 1942.129589][ T1167] do_syscall_64+0xc6/0x1e0 [ 1942.129589][ T1167] [ 1942.131875][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1942.131875][ T1167] netdev_get_by_index+0x5e/0x80 [ 1942.131875][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1942.131875][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1942.131875][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1942.131875][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1942.131875][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1942.131875][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1942.131875][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1942.131875][ T1167] addrconf_dad_begin+0x310/0x670 [ 1942.131875][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1942.131875][ T1167] process_one_work+0x84d/0x18a0 [ 1942.131875][ T1167] worker_thread+0x587/0xd30 [ 1942.131875][ T1167] kthread+0x28a/0x350 [ 1942.131875][ T1167] ret_from_fork+0x31/0x70 [ 1942.131875][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1942.131875][ T1167] [ 1942.134116][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1942.134116][ T1167] netdev_get_by_index+0x5e/0x80 [ 1942.134116][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1942.134116][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1942.134116][ T1167] ip6_route_add+0x1c/0x140 [ 1942.134116][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1942.134116][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1942.134116][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1942.134116][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1942.134116][ T1167] netlink_rcv_skb+0x130/0x360 [ 1942.134116][ T1167] netlink_unicast+0x449/0x710 [ 1942.134116][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1942.134116][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1942.134116][ T1167] ___sys_sendmsg+0xee/0x170 [ 1942.134116][ T1167] __sys_sendmsg+0xcd/0x170 [ 1942.134116][ T1167] do_syscall_64+0xc6/0x1e0 [ 1942.134116][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1942.134116][ T1167] [ 1942.136451][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1942.136451][ T1167] netdev_get_by_index+0x5e/0x80 [ 1942.136451][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1942.136451][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1942.136451][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1942.136451][ T1167] ipv6_add_addr+0x411/0x2000 [ 1942.136451][ T1167] inet6_addr_add+0x30e/0xa40 [ 1942.136451][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1942.136451][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1942.136451][ T1167] netlink_rcv_skb+0x130/0x360 [ 1942.136451][ T1167] netlink_unicast+0x449/0x710 [ 1942.136451][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1942.136451][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1942.136451][ T1167] ___sys_sendmsg+0xee/0x170 [ 1942.136451][ T1167] __sys_sendmsg+0xcd/0x170 [ 1942.136451][ T1167] do_syscall_64+0xc6/0x1e0 [ 1942.136451][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1942.136451][ T1167] [ 1942.138793][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1942.138793][ T1167] netdev_get_by_index+0x5e/0x80 [ 1942.138793][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1942.138793][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1942.138793][ T1167] ip6_route_add+0x1c/0x140 [ 1942.138793][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1942.138793][ T1167] addrconf_add_dev+0xe2/0x170 [ 1942.138793][ T1167] inet6_addr_add+0x12f/0xa40 [ 1942.138793][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1942.138793][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1942.138793][ T1167] netlink_rcv_skb+0x130/0x360 [ 1942.138793][ T1167] netlink_unicast+0x449/0x710 [ 1942.138793][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1942.138793][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1942.138793][ T1167] ___sys_sendmsg+0xee/0x170 [ 1942.138793][ T1167] __sys_sendmsg+0xcd/0x170 [ 1942.138793][ T1167] do_syscall_64+0xc6/0x1e0 [ 1942.138793][ T1167] [ 1942.142026][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1942.142026][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1942.142026][ T1167] ipv6_find_idev+0x102/0x170 [ 1942.142026][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1942.142026][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1942.142026][ T1167] netlink_rcv_skb+0x130/0x360 [ 1942.142026][ T1167] netlink_unicast+0x449/0x710 [ 1942.142026][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1942.142026][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1942.142026][ T1167] ___sys_sendmsg+0xee/0x170 [ 1942.142026][ T1167] __sys_sendmsg+0xcd/0x170 [ 1942.142026][ T1167] do_syscall_64+0xc6/0x1e0 [ 1942.142026][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1942.142026][ T1167] [ 1942.143816][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1942.143816][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1942.143816][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1942.143816][ T1167] ipv6_find_idev+0x102/0x170 [ 1942.143816][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1942.143816][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1942.143816][ T1167] netlink_rcv_skb+0x130/0x360 [ 1942.143816][ T1167] netlink_unicast+0x449/0x710 [ 1942.143816][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1942.143816][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1942.143816][ T1167] ___sys_sendmsg+0xee/0x170 [ 1942.143816][ T1167] __sys_sendmsg+0xcd/0x170 [ 1942.143816][ T1167] do_syscall_64+0xc6/0x1e0 [ 1942.143816][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1942.143816][ T1167] [ 1946.409118][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1946.409492][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1946.409492][ T10] netdev_get_by_index+0x5e/0x80 [ 1946.409492][ T10] fib6_nh_init+0x3d8/0x1580 [ 1946.409492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1946.409492][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1946.409492][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1946.409492][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1946.409492][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1946.409492][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1946.409492][ T10] addrconf_dad_begin+0x310/0x670 [ 1946.409492][ T10] addrconf_dad_work+0x10b/0xab0 [ 1946.409492][ T10] process_one_work+0x84d/0x18a0 [ 1946.409492][ T10] worker_thread+0x587/0xd30 [ 1946.409492][ T10] kthread+0x28a/0x350 [ 1946.409492][ T10] ret_from_fork+0x31/0x70 [ 1946.409492][ T10] ret_from_fork_asm+0x1a/0x30 [ 1946.409492][ T10] [ 1946.411561][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1946.411561][ T10] netdev_get_by_index+0x5e/0x80 [ 1946.411561][ T10] fib6_nh_init+0x3d8/0x1580 [ 1946.411561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1946.411561][ T10] ip6_route_add+0x1c/0x140 [ 1946.411561][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1946.411561][ T10] inet6_addr_add+0x4f8/0xa40 [ 1946.411561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1946.411561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.411561][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.411561][ T10] netlink_unicast+0x449/0x710 [ 1946.411561][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.411561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.411561][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.411561][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.411561][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.411561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.411561][ T10] [ 1946.413704][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1946.413704][ T10] netdev_get_by_index+0x5e/0x80 [ 1946.413704][ T10] fib6_nh_init+0x3d8/0x1580 [ 1946.413704][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1946.413704][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1946.413704][ T10] ipv6_add_addr+0x411/0x2000 [ 1946.413704][ T10] inet6_addr_add+0x30e/0xa40 [ 1946.413704][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1946.413704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.413704][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.413704][ T10] netlink_unicast+0x449/0x710 [ 1946.413704][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.413704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.413704][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.413704][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.413704][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.413704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.413704][ T10] [ 1946.415839][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1946.415839][ T10] netdev_get_by_index+0x5e/0x80 [ 1946.415839][ T10] fib6_nh_init+0x3d8/0x1580 [ 1946.415839][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1946.415839][ T10] ip6_route_add+0x1c/0x140 [ 1946.415839][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1946.415839][ T10] addrconf_add_dev+0xe2/0x170 [ 1946.415839][ T10] inet6_addr_add+0x12f/0xa40 [ 1946.415839][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1946.415839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.415839][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.415839][ T10] netlink_unicast+0x449/0x710 [ 1946.415839][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.415839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.415839][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.415839][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.415839][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.415839][ T10] [ 1946.417999][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1946.417999][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1946.417999][ T10] ipv6_find_idev+0x102/0x170 [ 1946.417999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1946.417999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.417999][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.417999][ T10] netlink_unicast+0x449/0x710 [ 1946.417999][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.417999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.417999][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.417999][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.417999][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.417999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.417999][ T10] [ 1946.419626][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1946.419626][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1946.419626][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1946.419626][ T10] ipv6_find_idev+0x102/0x170 [ 1946.419626][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1946.419626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.419626][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.419626][ T10] netlink_unicast+0x449/0x710 [ 1946.419626][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.419626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.419626][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.419626][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.419626][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.419626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.419626][ T10] [ 1946.421313][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1946.421565][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1946.421565][ T10] netdev_get_by_index+0x5e/0x80 [ 1946.421565][ T10] fib6_nh_init+0x3d8/0x1580 [ 1946.421565][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1946.421565][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1946.421565][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1946.421565][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1946.421565][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1946.421565][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1946.421565][ T10] addrconf_dad_begin+0x310/0x670 [ 1946.421565][ T10] addrconf_dad_work+0x10b/0xab0 [ 1946.421565][ T10] process_one_work+0x84d/0x18a0 [ 1946.421565][ T10] worker_thread+0x587/0xd30 [ 1946.421565][ T10] kthread+0x28a/0x350 [ 1946.421565][ T10] ret_from_fork+0x31/0x70 [ 1946.421565][ T10] ret_from_fork_asm+0x1a/0x30 [ 1946.421565][ T10] [ 1946.423475][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1946.423475][ T10] netdev_get_by_index+0x5e/0x80 [ 1946.423475][ T10] fib6_nh_init+0x3d8/0x1580 [ 1946.423475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1946.423475][ T10] ip6_route_add+0x1c/0x140 [ 1946.423475][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1946.423475][ T10] inet6_addr_add+0x4f8/0xa40 [ 1946.423475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1946.423475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.423475][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.423475][ T10] netlink_unicast+0x449/0x710 [ 1946.423475][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.423475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.423475][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.423475][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.423475][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.423475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.423475][ T10] [ 1946.425460][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1946.425460][ T10] netdev_get_by_index+0x5e/0x80 [ 1946.425460][ T10] fib6_nh_init+0x3d8/0x1580 [ 1946.425460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1946.425460][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1946.425460][ T10] ipv6_add_addr+0x411/0x2000 [ 1946.425460][ T10] inet6_addr_add+0x30e/0xa40 [ 1946.425460][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1946.425460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.425460][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.425460][ T10] netlink_unicast+0x449/0x710 [ 1946.425460][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.425460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.425460][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.425460][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.425460][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.425460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.425460][ T10] [ 1946.427453][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1946.427453][ T10] netdev_get_by_index+0x5e/0x80 [ 1946.427453][ T10] fib6_nh_init+0x3d8/0x1580 [ 1946.427453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1946.427453][ T10] ip6_route_add+0x1c/0x140 [ 1946.427453][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1946.427453][ T10] addrconf_add_dev+0xe2/0x170 [ 1946.427453][ T10] inet6_addr_add+0x12f/0xa40 [ 1946.427453][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1946.427453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.427453][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.427453][ T10] netlink_unicast+0x449/0x710 [ 1946.427453][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.427453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.427453][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.427453][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.427453][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.427453][ T10] [ 1946.429426][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1946.429426][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1946.429426][ T10] ipv6_find_idev+0x102/0x170 [ 1946.429426][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1946.429426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.429426][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.429426][ T10] netlink_unicast+0x449/0x710 [ 1946.429426][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.429426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.429426][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.429426][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.429426][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.429426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.429426][ T10] [ 1946.430971][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1946.430971][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1946.430971][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1946.430971][ T10] ipv6_find_idev+0x102/0x170 [ 1946.430971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1946.430971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.430971][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.430971][ T10] netlink_unicast+0x449/0x710 [ 1946.430971][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.430971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.430971][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.430971][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.430971][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.430971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.430971][ T10] [ 1946.432738][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1946.432985][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1946.432985][ T10] netdev_get_by_index+0x5e/0x80 [ 1946.432985][ T10] fib6_nh_init+0x3d8/0x1580 [ 1946.432985][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1946.432985][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1946.432985][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1946.432985][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1946.432985][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1946.432985][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1946.432985][ T10] addrconf_dad_begin+0x310/0x670 [ 1946.432985][ T10] addrconf_dad_work+0x10b/0xab0 [ 1946.432985][ T10] process_one_work+0x84d/0x18a0 [ 1946.432985][ T10] worker_thread+0x587/0xd30 [ 1946.432985][ T10] kthread+0x28a/0x350 [ 1946.432985][ T10] ret_from_fork+0x31/0x70 [ 1946.432985][ T10] ret_from_fork_asm+0x1a/0x30 [ 1946.432985][ T10] [ 1946.434891][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1946.434891][ T10] netdev_get_by_index+0x5e/0x80 [ 1946.434891][ T10] fib6_nh_init+0x3d8/0x1580 [ 1946.434891][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1946.434891][ T10] ip6_route_add+0x1c/0x140 [ 1946.434891][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1946.434891][ T10] inet6_addr_add+0x4f8/0xa40 [ 1946.434891][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1946.434891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.434891][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.434891][ T10] netlink_unicast+0x449/0x710 [ 1946.434891][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.434891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.434891][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.434891][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.434891][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.434891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.434891][ T10] [ 1946.437077][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1946.437077][ T10] netdev_get_by_index+0x5e/0x80 [ 1946.437077][ T10] fib6_nh_init+0x3d8/0x1580 [ 1946.437077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1946.437077][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1946.437077][ T10] ipv6_add_addr+0x411/0x2000 [ 1946.437077][ T10] inet6_addr_add+0x30e/0xa40 [ 1946.437077][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1946.437077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.437077][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.437077][ T10] netlink_unicast+0x449/0x710 [ 1946.437077][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.437077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.437077][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.437077][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.437077][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.437077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.437077][ T10] [ 1946.439315][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1946.439315][ T10] netdev_get_by_index+0x5e/0x80 [ 1946.439315][ T10] fib6_nh_init+0x3d8/0x1580 [ 1946.439315][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1946.439315][ T10] ip6_route_add+0x1c/0x140 [ 1946.439315][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1946.439315][ T10] addrconf_add_dev+0xe2/0x170 [ 1946.439315][ T10] inet6_addr_add+0x12f/0xa40 [ 1946.439315][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1946.439315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.439315][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.439315][ T10] netlink_unicast+0x449/0x710 [ 1946.439315][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.439315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.439315][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.439315][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.439315][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.439315][ T10] [ 1946.441514][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1946.441514][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1946.441514][ T10] ipv6_find_idev+0x102/0x170 [ 1946.441514][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1946.441514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.441514][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.441514][ T10] netlink_unicast+0x449/0x710 [ 1946.441514][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.441514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.441514][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.441514][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.441514][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.441514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.441514][ T10] [ 1946.443233][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1946.443233][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1946.443233][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1946.443233][ T10] ipv6_find_idev+0x102/0x170 [ 1946.443233][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1946.443233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.443233][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.443233][ T10] netlink_unicast+0x449/0x710 [ 1946.443233][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.443233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.443233][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.443233][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.443233][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.443233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.443233][ T10] [ 1946.445157][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1946.445394][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1946.445394][ T10] netdev_get_by_index+0x5e/0x80 [ 1946.445394][ T10] fib6_nh_init+0x3d8/0x1580 [ 1946.445394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1946.445394][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1946.445394][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1946.445394][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1946.445394][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1946.445394][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1946.445394][ T10] addrconf_dad_begin+0x310/0x670 [ 1946.445394][ T10] addrconf_dad_work+0x10b/0xab0 [ 1946.445394][ T10] process_one_work+0x84d/0x18a0 [ 1946.445394][ T10] worker_thread+0x587/0xd30 [ 1946.445394][ T10] kthread+0x28a/0x350 [ 1946.445394][ T10] ret_from_fork+0x31/0x70 [ 1946.445394][ T10] ret_from_fork_asm+0x1a/0x30 [ 1946.445394][ T10] [ 1946.447539][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1946.447539][ T10] netdev_get_by_index+0x5e/0x80 [ 1946.447539][ T10] fib6_nh_init+0x3d8/0x1580 [ 1946.447539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1946.447539][ T10] ip6_route_add+0x1c/0x140 [ 1946.447539][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1946.447539][ T10] inet6_addr_add+0x4f8/0xa40 [ 1946.447539][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1946.447539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.447539][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.447539][ T10] netlink_unicast+0x449/0x710 [ 1946.447539][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.447539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.447539][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.447539][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.447539][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.447539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.447539][ T10] [ 1946.449790][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1946.449790][ T10] netdev_get_by_index+0x5e/0x80 [ 1946.449790][ T10] fib6_nh_init+0x3d8/0x1580 [ 1946.449790][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1946.449790][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1946.449790][ T10] ipv6_add_addr+0x411/0x2000 [ 1946.449790][ T10] inet6_addr_add+0x30e/0xa40 [ 1946.449790][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1946.449790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.449790][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.449790][ T10] netlink_unicast+0x449/0x710 [ 1946.449790][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.449790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.449790][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.449790][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.449790][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.449790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.449790][ T10] [ 1946.452053][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1946.452053][ T10] netdev_get_by_index+0x5e/0x80 [ 1946.452053][ T10] fib6_nh_init+0x3d8/0x1580 [ 1946.452053][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1946.452053][ T10] ip6_route_add+0x1c/0x140 [ 1946.452053][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1946.452053][ T10] addrconf_add_dev+0xe2/0x170 [ 1946.452053][ T10] inet6_addr_add+0x12f/0xa40 [ 1946.452053][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1946.452053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.452053][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.452053][ T10] netlink_unicast+0x449/0x710 [ 1946.452053][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.452053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.452053][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.452053][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.452053][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.452053][ T10] [ 1946.454250][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1946.454250][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1946.454250][ T10] ipv6_find_idev+0x102/0x170 [ 1946.454250][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1946.454250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.454250][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.454250][ T10] netlink_unicast+0x449/0x710 [ 1946.454250][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.454250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.454250][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.454250][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.454250][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.454250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.454250][ T10] [ 1946.455969][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1946.455969][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1946.455969][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1946.455969][ T10] ipv6_find_idev+0x102/0x170 [ 1946.455969][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1946.455969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.455969][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.455969][ T10] netlink_unicast+0x449/0x710 [ 1946.455969][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.455969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.455969][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.455969][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.455969][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.455969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.455969][ T10] [ 1952.385134][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1952.385590][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1952.385590][ T1167] dst_init+0x84/0x4a0 [ 1952.385590][ T1167] dst_alloc+0x97/0x150 [ 1952.385590][ T1167] ip6_dst_alloc+0x23/0x90 [ 1952.385590][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1952.385590][ T1167] ip6_pol_route+0x56f/0x840 [ 1952.385590][ T1167] fib6_rule_lookup+0x334/0x630 [ 1952.385590][ T1167] ip6_route_output_flags+0x259/0x480 [ 1952.385590][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1952.385590][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1952.385590][ T1167] netlink_rcv_skb+0x130/0x360 [ 1952.385590][ T1167] netlink_unicast+0x449/0x710 [ 1952.385590][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1952.385590][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1952.385590][ T1167] ___sys_sendmsg+0xee/0x170 [ 1952.385590][ T1167] __sys_sendmsg+0xcd/0x170 [ 1952.385590][ T1167] do_syscall_64+0xc6/0x1e0 [ 1952.385590][ T1167] [ 1952.387788][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1952.387788][ T1167] netdev_get_by_index+0x5e/0x80 [ 1952.387788][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1952.387788][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1952.387788][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1952.387788][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1952.387788][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1952.387788][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1952.387788][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1952.387788][ T1167] addrconf_dad_begin+0x310/0x670 [ 1952.387788][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1952.387788][ T1167] process_one_work+0x84d/0x18a0 [ 1952.387788][ T1167] worker_thread+0x587/0xd30 [ 1952.387788][ T1167] kthread+0x28a/0x350 [ 1952.387788][ T1167] ret_from_fork+0x31/0x70 [ 1952.387788][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1952.387788][ T1167] [ 1952.389945][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1952.389945][ T1167] netdev_get_by_index+0x5e/0x80 [ 1952.389945][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1952.389945][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1952.389945][ T1167] ip6_route_add+0x1c/0x140 [ 1952.389945][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1952.389945][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1952.389945][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1952.389945][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1952.389945][ T1167] netlink_rcv_skb+0x130/0x360 [ 1952.389945][ T1167] netlink_unicast+0x449/0x710 [ 1952.389945][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1952.389945][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1952.389945][ T1167] ___sys_sendmsg+0xee/0x170 [ 1952.389945][ T1167] __sys_sendmsg+0xcd/0x170 [ 1952.389945][ T1167] do_syscall_64+0xc6/0x1e0 [ 1952.389945][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1952.389945][ T1167] [ 1952.392178][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1952.392178][ T1167] netdev_get_by_index+0x5e/0x80 [ 1952.392178][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1952.392178][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1952.392178][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1952.392178][ T1167] ipv6_add_addr+0x411/0x2000 [ 1952.392178][ T1167] inet6_addr_add+0x30e/0xa40 [ 1952.392178][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1952.392178][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1952.392178][ T1167] netlink_rcv_skb+0x130/0x360 [ 1952.392178][ T1167] netlink_unicast+0x449/0x710 [ 1952.392178][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1952.392178][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1952.392178][ T1167] ___sys_sendmsg+0xee/0x170 [ 1952.392178][ T1167] __sys_sendmsg+0xcd/0x170 [ 1952.392178][ T1167] do_syscall_64+0xc6/0x1e0 [ 1952.392178][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1952.392178][ T1167] [ 1952.394425][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1952.394425][ T1167] netdev_get_by_index+0x5e/0x80 [ 1952.394425][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1952.394425][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1952.394425][ T1167] ip6_route_add+0x1c/0x140 [ 1952.394425][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1952.394425][ T1167] addrconf_add_dev+0xe2/0x170 [ 1952.394425][ T1167] inet6_addr_add+0x12f/0xa40 [ 1952.394425][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1952.394425][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1952.394425][ T1167] netlink_rcv_skb+0x130/0x360 [ 1952.394425][ T1167] netlink_unicast+0x449/0x710 [ 1952.394425][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1952.394425][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1952.394425][ T1167] ___sys_sendmsg+0xee/0x170 [ 1952.394425][ T1167] __sys_sendmsg+0xcd/0x170 [ 1952.394425][ T1167] do_syscall_64+0xc6/0x1e0 [ 1952.394425][ T1167] [ 1952.396619][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1952.396619][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1952.396619][ T1167] ipv6_find_idev+0x102/0x170 [ 1952.396619][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1952.396619][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1952.396619][ T1167] netlink_rcv_skb+0x130/0x360 [ 1952.396619][ T1167] netlink_unicast+0x449/0x710 [ 1952.396619][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1952.396619][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1952.396619][ T1167] ___sys_sendmsg+0xee/0x170 [ 1952.396619][ T1167] __sys_sendmsg+0xcd/0x170 [ 1952.396619][ T1167] do_syscall_64+0xc6/0x1e0 [ 1952.396619][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1952.396619][ T1167] [ 1952.398330][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1952.398330][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1952.398330][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1952.398330][ T1167] ipv6_find_idev+0x102/0x170 [ 1952.398330][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1952.398330][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1952.398330][ T1167] netlink_rcv_skb+0x130/0x360 [ 1952.398330][ T1167] netlink_unicast+0x449/0x710 [ 1952.398330][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1952.398330][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1952.398330][ T1167] ___sys_sendmsg+0xee/0x170 [ 1952.398330][ T1167] __sys_sendmsg+0xcd/0x170 [ 1952.398330][ T1167] do_syscall_64+0xc6/0x1e0 [ 1952.398330][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1952.398330][ T1167] [ 1956.697140][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1956.697550][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1956.697550][ T10] netdev_get_by_index+0x5e/0x80 [ 1956.697550][ T10] fib6_nh_init+0x3d8/0x1580 [ 1956.697550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1956.697550][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1956.697550][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1956.697550][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1956.697550][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1956.697550][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1956.697550][ T10] addrconf_dad_begin+0x310/0x670 [ 1956.697550][ T10] addrconf_dad_work+0x10b/0xab0 [ 1956.697550][ T10] process_one_work+0x84d/0x18a0 [ 1956.697550][ T10] worker_thread+0x587/0xd30 [ 1956.697550][ T10] kthread+0x28a/0x350 [ 1956.697550][ T10] ret_from_fork+0x31/0x70 [ 1956.697550][ T10] ret_from_fork_asm+0x1a/0x30 [ 1956.697550][ T10] [ 1956.699632][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1956.699632][ T10] netdev_get_by_index+0x5e/0x80 [ 1956.699632][ T10] fib6_nh_init+0x3d8/0x1580 [ 1956.699632][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1956.699632][ T10] ip6_route_add+0x1c/0x140 [ 1956.699632][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1956.699632][ T10] inet6_addr_add+0x4f8/0xa40 [ 1956.699632][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1956.699632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.699632][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.699632][ T10] netlink_unicast+0x449/0x710 [ 1956.699632][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.699632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.699632][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.699632][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.699632][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.699632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.699632][ T10] [ 1956.702013][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1956.702013][ T10] netdev_get_by_index+0x5e/0x80 [ 1956.702013][ T10] fib6_nh_init+0x3d8/0x1580 [ 1956.702013][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1956.702013][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1956.702013][ T10] ipv6_add_addr+0x411/0x2000 [ 1956.702013][ T10] inet6_addr_add+0x30e/0xa40 [ 1956.702013][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1956.702013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.702013][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.702013][ T10] netlink_unicast+0x449/0x710 [ 1956.702013][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.702013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.702013][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.702013][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.702013][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.702013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.702013][ T10] [ 1956.705658][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1956.705658][ T10] netdev_get_by_index+0x5e/0x80 [ 1956.705658][ T10] fib6_nh_init+0x3d8/0x1580 [ 1956.705658][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1956.705658][ T10] ip6_route_add+0x1c/0x140 [ 1956.705658][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1956.705658][ T10] addrconf_add_dev+0xe2/0x170 [ 1956.705658][ T10] inet6_addr_add+0x12f/0xa40 [ 1956.705658][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1956.705658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.705658][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.705658][ T10] netlink_unicast+0x449/0x710 [ 1956.705658][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.705658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.705658][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.705658][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.705658][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.705658][ T10] [ 1956.708144][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1956.708144][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1956.708144][ T10] ipv6_find_idev+0x102/0x170 [ 1956.708144][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.708144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.708144][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.708144][ T10] netlink_unicast+0x449/0x710 [ 1956.708144][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.708144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.708144][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.708144][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.708144][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.708144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.708144][ T10] [ 1956.709785][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1956.709785][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1956.709785][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1956.709785][ T10] ipv6_find_idev+0x102/0x170 [ 1956.709785][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.709785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.709785][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.709785][ T10] netlink_unicast+0x449/0x710 [ 1956.709785][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.709785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.709785][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.709785][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.709785][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.709785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.709785][ T10] [ 1956.711579][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1956.711838][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1956.711838][ T10] netdev_get_by_index+0x5e/0x80 [ 1956.711838][ T10] fib6_nh_init+0x3d8/0x1580 [ 1956.711838][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1956.711838][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1956.711838][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1956.711838][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1956.711838][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1956.711838][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1956.711838][ T10] addrconf_dad_begin+0x310/0x670 [ 1956.711838][ T10] addrconf_dad_work+0x10b/0xab0 [ 1956.711838][ T10] process_one_work+0x84d/0x18a0 [ 1956.711838][ T10] worker_thread+0x587/0xd30 [ 1956.711838][ T10] kthread+0x28a/0x350 [ 1956.711838][ T10] ret_from_fork+0x31/0x70 [ 1956.711838][ T10] ret_from_fork_asm+0x1a/0x30 [ 1956.711838][ T10] [ 1956.713776][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1956.713776][ T10] netdev_get_by_index+0x5e/0x80 [ 1956.713776][ T10] fib6_nh_init+0x3d8/0x1580 [ 1956.713776][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1956.713776][ T10] ip6_route_add+0x1c/0x140 [ 1956.713776][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1956.713776][ T10] inet6_addr_add+0x4f8/0xa40 [ 1956.713776][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1956.713776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.713776][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.713776][ T10] netlink_unicast+0x449/0x710 [ 1956.713776][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.713776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.713776][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.713776][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.713776][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.713776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.713776][ T10] [ 1956.715830][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1956.715830][ T10] netdev_get_by_index+0x5e/0x80 [ 1956.715830][ T10] fib6_nh_init+0x3d8/0x1580 [ 1956.715830][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1956.715830][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1956.715830][ T10] ipv6_add_addr+0x411/0x2000 [ 1956.715830][ T10] inet6_addr_add+0x30e/0xa40 [ 1956.715830][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1956.715830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.715830][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.715830][ T10] netlink_unicast+0x449/0x710 [ 1956.715830][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.715830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.715830][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.715830][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.715830][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.715830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.715830][ T10] [ 1956.717953][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1956.717953][ T10] netdev_get_by_index+0x5e/0x80 [ 1956.717953][ T10] fib6_nh_init+0x3d8/0x1580 [ 1956.717953][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1956.717953][ T10] ip6_route_add+0x1c/0x140 [ 1956.717953][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1956.717953][ T10] addrconf_add_dev+0xe2/0x170 [ 1956.717953][ T10] inet6_addr_add+0x12f/0xa40 [ 1956.717953][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1956.717953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.717953][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.717953][ T10] netlink_unicast+0x449/0x710 [ 1956.717953][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.717953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.717953][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.717953][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.717953][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.717953][ T10] [ 1956.719949][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1956.719949][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1956.719949][ T10] ipv6_find_idev+0x102/0x170 [ 1956.719949][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.719949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.719949][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.719949][ T10] netlink_unicast+0x449/0x710 [ 1956.719949][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.719949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.719949][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.719949][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.719949][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.719949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.719949][ T10] [ 1956.722196][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1956.722196][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1956.722196][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1956.722196][ T10] ipv6_find_idev+0x102/0x170 [ 1956.722196][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.722196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.722196][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.722196][ T10] netlink_unicast+0x449/0x710 [ 1956.722196][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.722196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.722196][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.722196][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.722196][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.722196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.722196][ T10] [ 1956.723986][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1956.724276][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1956.724276][ T10] netdev_get_by_index+0x5e/0x80 [ 1956.724276][ T10] fib6_nh_init+0x3d8/0x1580 [ 1956.724276][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1956.724276][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1956.724276][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1956.724276][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1956.724276][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1956.724276][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1956.724276][ T10] addrconf_dad_begin+0x310/0x670 [ 1956.724276][ T10] addrconf_dad_work+0x10b/0xab0 [ 1956.724276][ T10] process_one_work+0x84d/0x18a0 [ 1956.724276][ T10] worker_thread+0x587/0xd30 [ 1956.724276][ T10] kthread+0x28a/0x350 [ 1956.724276][ T10] ret_from_fork+0x31/0x70 [ 1956.724276][ T10] ret_from_fork_asm+0x1a/0x30 [ 1956.724276][ T10] [ 1956.726310][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1956.726310][ T10] netdev_get_by_index+0x5e/0x80 [ 1956.726310][ T10] fib6_nh_init+0x3d8/0x1580 [ 1956.726310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1956.726310][ T10] ip6_route_add+0x1c/0x140 [ 1956.726310][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1956.726310][ T10] inet6_addr_add+0x4f8/0xa40 [ 1956.726310][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1956.726310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.726310][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.726310][ T10] netlink_unicast+0x449/0x710 [ 1956.726310][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.726310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.726310][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.726310][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.726310][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.726310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.726310][ T10] [ 1956.728614][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1956.728614][ T10] netdev_get_by_index+0x5e/0x80 [ 1956.728614][ T10] fib6_nh_init+0x3d8/0x1580 [ 1956.728614][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1956.728614][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1956.728614][ T10] ipv6_add_addr+0x411/0x2000 [ 1956.728614][ T10] inet6_addr_add+0x30e/0xa40 [ 1956.728614][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1956.728614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.728614][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.728614][ T10] netlink_unicast+0x449/0x710 [ 1956.728614][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.728614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.728614][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.728614][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.728614][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.728614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.728614][ T10] [ 1956.730997][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1956.730997][ T10] netdev_get_by_index+0x5e/0x80 [ 1956.730997][ T10] fib6_nh_init+0x3d8/0x1580 [ 1956.730997][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1956.730997][ T10] ip6_route_add+0x1c/0x140 [ 1956.730997][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1956.730997][ T10] addrconf_add_dev+0xe2/0x170 [ 1956.730997][ T10] inet6_addr_add+0x12f/0xa40 [ 1956.730997][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1956.730997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.730997][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.730997][ T10] netlink_unicast+0x449/0x710 [ 1956.730997][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.730997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.730997][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.730997][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.730997][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.730997][ T10] [ 1956.733769][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1956.733769][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1956.733769][ T10] ipv6_find_idev+0x102/0x170 [ 1956.733769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.733769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.733769][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.733769][ T10] netlink_unicast+0x449/0x710 [ 1956.733769][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.733769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.733769][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.733769][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.733769][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.733769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.733769][ T10] [ 1956.735633][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1956.735633][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1956.735633][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1956.735633][ T10] ipv6_find_idev+0x102/0x170 [ 1956.735633][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.735633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.735633][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.735633][ T10] netlink_unicast+0x449/0x710 [ 1956.735633][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.735633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.735633][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.735633][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.735633][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.735633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.735633][ T10] [ 1956.737546][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1956.737791][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1956.737791][ T10] netdev_get_by_index+0x5e/0x80 [ 1956.737791][ T10] fib6_nh_init+0x3d8/0x1580 [ 1956.737791][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1956.737791][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1956.737791][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1956.737791][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1956.737791][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1956.737791][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1956.737791][ T10] addrconf_dad_begin+0x310/0x670 [ 1956.737791][ T10] addrconf_dad_work+0x10b/0xab0 [ 1956.737791][ T10] process_one_work+0x84d/0x18a0 [ 1956.737791][ T10] worker_thread+0x587/0xd30 [ 1956.737791][ T10] kthread+0x28a/0x350 [ 1956.737791][ T10] ret_from_fork+0x31/0x70 [ 1956.737791][ T10] ret_from_fork_asm+0x1a/0x30 [ 1956.737791][ T10] [ 1956.739981][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1956.739981][ T10] netdev_get_by_index+0x5e/0x80 [ 1956.739981][ T10] fib6_nh_init+0x3d8/0x1580 [ 1956.739981][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1956.739981][ T10] ip6_route_add+0x1c/0x140 [ 1956.739981][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1956.739981][ T10] inet6_addr_add+0x4f8/0xa40 [ 1956.739981][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1956.739981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.739981][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.739981][ T10] netlink_unicast+0x449/0x710 [ 1956.739981][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.739981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.739981][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.739981][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.739981][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.739981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.739981][ T10] [ 1956.742273][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1956.742273][ T10] netdev_get_by_index+0x5e/0x80 [ 1956.742273][ T10] fib6_nh_init+0x3d8/0x1580 [ 1956.742273][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1956.742273][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1956.742273][ T10] ipv6_add_addr+0x411/0x2000 [ 1956.742273][ T10] inet6_addr_add+0x30e/0xa40 [ 1956.742273][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1956.742273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.742273][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.742273][ T10] netlink_unicast+0x449/0x710 [ 1956.742273][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.742273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.742273][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.742273][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.742273][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.742273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.742273][ T10] [ 1956.744792][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1956.744792][ T10] netdev_get_by_index+0x5e/0x80 [ 1956.744792][ T10] fib6_nh_init+0x3d8/0x1580 [ 1956.744792][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1956.744792][ T10] ip6_route_add+0x1c/0x140 [ 1956.744792][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1956.744792][ T10] addrconf_add_dev+0xe2/0x170 [ 1956.744792][ T10] inet6_addr_add+0x12f/0xa40 [ 1956.744792][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1956.744792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.744792][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.744792][ T10] netlink_unicast+0x449/0x710 [ 1956.744792][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.744792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.744792][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.744792][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.744792][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.744792][ T10] [ 1956.747032][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1956.747032][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1956.747032][ T10] ipv6_find_idev+0x102/0x170 [ 1956.747032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.747032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.747032][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.747032][ T10] netlink_unicast+0x449/0x710 [ 1956.747032][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.747032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.747032][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.747032][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.747032][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.747032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.747032][ T10] [ 1956.748893][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1956.748893][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1956.748893][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1956.748893][ T10] ipv6_find_idev+0x102/0x170 [ 1956.748893][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.748893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.748893][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.748893][ T10] netlink_unicast+0x449/0x710 [ 1956.748893][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.748893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.748893][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.748893][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.748893][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.748893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.748893][ T10] [ 1962.441150][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1962.441620][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1962.441620][ T1167] dst_init+0x84/0x4a0 [ 1962.441620][ T1167] dst_alloc+0x97/0x150 [ 1962.441620][ T1167] ip6_dst_alloc+0x23/0x90 [ 1962.441620][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1962.441620][ T1167] ip6_pol_route+0x56f/0x840 [ 1962.441620][ T1167] fib6_rule_lookup+0x334/0x630 [ 1962.441620][ T1167] ip6_route_output_flags+0x259/0x480 [ 1962.441620][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1962.441620][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1962.441620][ T1167] netlink_rcv_skb+0x130/0x360 [ 1962.441620][ T1167] netlink_unicast+0x449/0x710 [ 1962.441620][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1962.441620][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1962.441620][ T1167] ___sys_sendmsg+0xee/0x170 [ 1962.441620][ T1167] __sys_sendmsg+0xcd/0x170 [ 1962.441620][ T1167] do_syscall_64+0xc6/0x1e0 [ 1962.441620][ T1167] [ 1962.443839][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1962.443839][ T1167] netdev_get_by_index+0x5e/0x80 [ 1962.443839][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1962.443839][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1962.443839][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1962.443839][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1962.443839][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1962.443839][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1962.443839][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1962.443839][ T1167] addrconf_dad_begin+0x310/0x670 [ 1962.443839][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1962.443839][ T1167] process_one_work+0x84d/0x18a0 [ 1962.443839][ T1167] worker_thread+0x587/0xd30 [ 1962.443839][ T1167] kthread+0x28a/0x350 [ 1962.443839][ T1167] ret_from_fork+0x31/0x70 [ 1962.443839][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1962.443839][ T1167] [ 1962.445982][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1962.445982][ T1167] netdev_get_by_index+0x5e/0x80 [ 1962.445982][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1962.445982][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1962.445982][ T1167] ip6_route_add+0x1c/0x140 [ 1962.445982][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1962.445982][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1962.445982][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1962.445982][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1962.445982][ T1167] netlink_rcv_skb+0x130/0x360 [ 1962.445982][ T1167] netlink_unicast+0x449/0x710 [ 1962.445982][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1962.445982][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1962.445982][ T1167] ___sys_sendmsg+0xee/0x170 [ 1962.445982][ T1167] __sys_sendmsg+0xcd/0x170 [ 1962.445982][ T1167] do_syscall_64+0xc6/0x1e0 [ 1962.445982][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1962.445982][ T1167] [ 1962.448222][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1962.448222][ T1167] netdev_get_by_index+0x5e/0x80 [ 1962.448222][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1962.448222][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1962.448222][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1962.448222][ T1167] ipv6_add_addr+0x411/0x2000 [ 1962.448222][ T1167] inet6_addr_add+0x30e/0xa40 [ 1962.448222][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1962.448222][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1962.448222][ T1167] netlink_rcv_skb+0x130/0x360 [ 1962.448222][ T1167] netlink_unicast+0x449/0x710 [ 1962.448222][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1962.448222][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1962.448222][ T1167] ___sys_sendmsg+0xee/0x170 [ 1962.448222][ T1167] __sys_sendmsg+0xcd/0x170 [ 1962.448222][ T1167] do_syscall_64+0xc6/0x1e0 [ 1962.448222][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1962.448222][ T1167] [ 1962.450466][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1962.450466][ T1167] netdev_get_by_index+0x5e/0x80 [ 1962.450466][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1962.450466][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1962.450466][ T1167] ip6_route_add+0x1c/0x140 [ 1962.450466][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1962.450466][ T1167] addrconf_add_dev+0xe2/0x170 [ 1962.450466][ T1167] inet6_addr_add+0x12f/0xa40 [ 1962.450466][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1962.450466][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1962.450466][ T1167] netlink_rcv_skb+0x130/0x360 [ 1962.450466][ T1167] netlink_unicast+0x449/0x710 [ 1962.450466][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1962.450466][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1962.450466][ T1167] ___sys_sendmsg+0xee/0x170 [ 1962.450466][ T1167] __sys_sendmsg+0xcd/0x170 [ 1962.450466][ T1167] do_syscall_64+0xc6/0x1e0 [ 1962.450466][ T1167] [ 1962.453434][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1962.453434][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1962.453434][ T1167] ipv6_find_idev+0x102/0x170 [ 1962.453434][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1962.453434][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1962.453434][ T1167] netlink_rcv_skb+0x130/0x360 [ 1962.453434][ T1167] netlink_unicast+0x449/0x710 [ 1962.453434][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1962.453434][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1962.453434][ T1167] ___sys_sendmsg+0xee/0x170 [ 1962.453434][ T1167] __sys_sendmsg+0xcd/0x170 [ 1962.453434][ T1167] do_syscall_64+0xc6/0x1e0 [ 1962.453434][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1962.453434][ T1167] [ 1962.455153][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1962.455153][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1962.455153][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1962.455153][ T1167] ipv6_find_idev+0x102/0x170 [ 1962.455153][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1962.455153][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1962.455153][ T1167] netlink_rcv_skb+0x130/0x360 [ 1962.455153][ T1167] netlink_unicast+0x449/0x710 [ 1962.455153][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1962.455153][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1962.455153][ T1167] ___sys_sendmsg+0xee/0x170 [ 1962.455153][ T1167] __sys_sendmsg+0xcd/0x170 [ 1962.455153][ T1167] do_syscall_64+0xc6/0x1e0 [ 1962.455153][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1962.455153][ T1167] [ 1966.993084][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1966.993493][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1966.993493][ T10] netdev_get_by_index+0x5e/0x80 [ 1966.993493][ T10] fib6_nh_init+0x3d8/0x1580 [ 1966.993493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1966.993493][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1966.993493][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1966.993493][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1966.993493][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1966.993493][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1966.993493][ T10] addrconf_dad_begin+0x310/0x670 [ 1966.993493][ T10] addrconf_dad_work+0x10b/0xab0 [ 1966.993493][ T10] process_one_work+0x84d/0x18a0 [ 1966.993493][ T10] worker_thread+0x587/0xd30 [ 1966.993493][ T10] kthread+0x28a/0x350 [ 1966.993493][ T10] ret_from_fork+0x31/0x70 [ 1966.993493][ T10] ret_from_fork_asm+0x1a/0x30 [ 1966.993493][ T10] [ 1966.995488][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1966.995488][ T10] netdev_get_by_index+0x5e/0x80 [ 1966.995488][ T10] fib6_nh_init+0x3d8/0x1580 [ 1966.995488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1966.995488][ T10] ip6_route_add+0x1c/0x140 [ 1966.995488][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1966.995488][ T10] inet6_addr_add+0x4f8/0xa40 [ 1966.995488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1966.995488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.995488][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.995488][ T10] netlink_unicast+0x449/0x710 [ 1966.995488][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.995488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.995488][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.995488][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.995488][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.995488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.995488][ T10] [ 1966.997510][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1966.997510][ T10] netdev_get_by_index+0x5e/0x80 [ 1966.997510][ T10] fib6_nh_init+0x3d8/0x1580 [ 1966.997510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1966.997510][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1966.997510][ T10] ipv6_add_addr+0x411/0x2000 [ 1966.997510][ T10] inet6_addr_add+0x30e/0xa40 [ 1966.997510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1966.997510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.997510][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.997510][ T10] netlink_unicast+0x449/0x710 [ 1966.997510][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.997510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.997510][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.997510][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.997510][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.997510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.997510][ T10] [ 1966.999541][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1966.999541][ T10] netdev_get_by_index+0x5e/0x80 [ 1966.999541][ T10] fib6_nh_init+0x3d8/0x1580 [ 1966.999541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1966.999541][ T10] ip6_route_add+0x1c/0x140 [ 1966.999541][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1966.999541][ T10] addrconf_add_dev+0xe2/0x170 [ 1966.999541][ T10] inet6_addr_add+0x12f/0xa40 [ 1966.999541][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1966.999541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.999541][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.999541][ T10] netlink_unicast+0x449/0x710 [ 1966.999541][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.999541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.999541][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.999541][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.999541][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.999541][ T10] [ 1967.001539][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1967.001539][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1967.001539][ T10] ipv6_find_idev+0x102/0x170 [ 1967.001539][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1967.001539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1967.001539][ T10] netlink_rcv_skb+0x130/0x360 [ 1967.001539][ T10] netlink_unicast+0x449/0x710 [ 1967.001539][ T10] netlink_sendmsg+0x723/0xbe0 [ 1967.001539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1967.001539][ T10] ___sys_sendmsg+0xee/0x170 [ 1967.001539][ T10] __sys_sendmsg+0xcd/0x170 [ 1967.001539][ T10] do_syscall_64+0xc6/0x1e0 [ 1967.001539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1967.001539][ T10] [ 1967.003470][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1967.003470][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1967.003470][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1967.003470][ T10] ipv6_find_idev+0x102/0x170 [ 1967.003470][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1967.003470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1967.003470][ T10] netlink_rcv_skb+0x130/0x360 [ 1967.003470][ T10] netlink_unicast+0x449/0x710 [ 1967.003470][ T10] netlink_sendmsg+0x723/0xbe0 [ 1967.003470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1967.003470][ T10] ___sys_sendmsg+0xee/0x170 [ 1967.003470][ T10] __sys_sendmsg+0xcd/0x170 [ 1967.003470][ T10] do_syscall_64+0xc6/0x1e0 [ 1967.003470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1967.003470][ T10] [ 1967.005204][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1967.005457][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1967.005457][ T10] netdev_get_by_index+0x5e/0x80 [ 1967.005457][ T10] fib6_nh_init+0x3d8/0x1580 [ 1967.005457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1967.005457][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1967.005457][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1967.005457][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1967.005457][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1967.005457][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1967.005457][ T10] addrconf_dad_begin+0x310/0x670 [ 1967.005457][ T10] addrconf_dad_work+0x10b/0xab0 [ 1967.005457][ T10] process_one_work+0x84d/0x18a0 [ 1967.005457][ T10] worker_thread+0x587/0xd30 [ 1967.005457][ T10] kthread+0x28a/0x350 [ 1967.005457][ T10] ret_from_fork+0x31/0x70 [ 1967.005457][ T10] ret_from_fork_asm+0x1a/0x30 [ 1967.005457][ T10] [ 1967.007388][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1967.007388][ T10] netdev_get_by_index+0x5e/0x80 [ 1967.007388][ T10] fib6_nh_init+0x3d8/0x1580 [ 1967.007388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1967.007388][ T10] ip6_route_add+0x1c/0x140 [ 1967.007388][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1967.007388][ T10] inet6_addr_add+0x4f8/0xa40 [ 1967.007388][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1967.007388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1967.007388][ T10] netlink_rcv_skb+0x130/0x360 [ 1967.007388][ T10] netlink_unicast+0x449/0x710 [ 1967.007388][ T10] netlink_sendmsg+0x723/0xbe0 [ 1967.007388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1967.007388][ T10] ___sys_sendmsg+0xee/0x170 [ 1967.007388][ T10] __sys_sendmsg+0xcd/0x170 [ 1967.007388][ T10] do_syscall_64+0xc6/0x1e0 [ 1967.007388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1967.007388][ T10] [ 1967.009410][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1967.009410][ T10] netdev_get_by_index+0x5e/0x80 [ 1967.009410][ T10] fib6_nh_init+0x3d8/0x1580 [ 1967.009410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1967.009410][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1967.009410][ T10] ipv6_add_addr+0x411/0x2000 [ 1967.009410][ T10] inet6_addr_add+0x30e/0xa40 [ 1967.009410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1967.009410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1967.009410][ T10] netlink_rcv_skb+0x130/0x360 [ 1967.009410][ T10] netlink_unicast+0x449/0x710 [ 1967.009410][ T10] netlink_sendmsg+0x723/0xbe0 [ 1967.009410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1967.009410][ T10] ___sys_sendmsg+0xee/0x170 [ 1967.009410][ T10] __sys_sendmsg+0xcd/0x170 [ 1967.009410][ T10] do_syscall_64+0xc6/0x1e0 [ 1967.009410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1967.009410][ T10] [ 1967.011427][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1967.011427][ T10] netdev_get_by_index+0x5e/0x80 [ 1967.011427][ T10] fib6_nh_init+0x3d8/0x1580 [ 1967.011427][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1967.011427][ T10] ip6_route_add+0x1c/0x140 [ 1967.011427][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1967.011427][ T10] addrconf_add_dev+0xe2/0x170 [ 1967.011427][ T10] inet6_addr_add+0x12f/0xa40 [ 1967.011427][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1967.011427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1967.011427][ T10] netlink_rcv_skb+0x130/0x360 [ 1967.011427][ T10] netlink_unicast+0x449/0x710 [ 1967.011427][ T10] netlink_sendmsg+0x723/0xbe0 [ 1967.011427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1967.011427][ T10] ___sys_sendmsg+0xee/0x170 [ 1967.011427][ T10] __sys_sendmsg+0xcd/0x170 [ 1967.011427][ T10] do_syscall_64+0xc6/0x1e0 [ 1967.011427][ T10] [ 1967.013406][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1967.013406][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1967.013406][ T10] ipv6_find_idev+0x102/0x170 [ 1967.013406][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1967.013406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1967.013406][ T10] netlink_rcv_skb+0x130/0x360 [ 1967.013406][ T10] netlink_unicast+0x449/0x710 [ 1967.013406][ T10] netlink_sendmsg+0x723/0xbe0 [ 1967.013406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1967.013406][ T10] ___sys_sendmsg+0xee/0x170 [ 1967.013406][ T10] __sys_sendmsg+0xcd/0x170 [ 1967.013406][ T10] do_syscall_64+0xc6/0x1e0 [ 1967.013406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1967.013406][ T10] [ 1967.014959][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1967.014959][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1967.014959][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1967.014959][ T10] ipv6_find_idev+0x102/0x170 [ 1967.014959][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1967.014959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1967.014959][ T10] netlink_rcv_skb+0x130/0x360 [ 1967.014959][ T10] netlink_unicast+0x449/0x710 [ 1967.014959][ T10] netlink_sendmsg+0x723/0xbe0 [ 1967.014959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1967.014959][ T10] ___sys_sendmsg+0xee/0x170 [ 1967.014959][ T10] __sys_sendmsg+0xcd/0x170 [ 1967.014959][ T10] do_syscall_64+0xc6/0x1e0 [ 1967.014959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1967.014959][ T10] [ 1967.016667][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1967.016923][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1967.016923][ T10] netdev_get_by_index+0x5e/0x80 [ 1967.016923][ T10] fib6_nh_init+0x3d8/0x1580 [ 1967.016923][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1967.016923][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1967.016923][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1967.016923][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1967.016923][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1967.016923][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1967.016923][ T10] addrconf_dad_begin+0x310/0x670 [ 1967.016923][ T10] addrconf_dad_work+0x10b/0xab0 [ 1967.016923][ T10] process_one_work+0x84d/0x18a0 [ 1967.016923][ T10] worker_thread+0x587/0xd30 [ 1967.016923][ T10] kthread+0x28a/0x350 [ 1967.016923][ T10] ret_from_fork+0x31/0x70 [ 1967.016923][ T10] ret_from_fork_asm+0x1a/0x30 [ 1967.016923][ T10] [ 1967.018866][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1967.018866][ T10] netdev_get_by_index+0x5e/0x80 [ 1967.018866][ T10] fib6_nh_init+0x3d8/0x1580 [ 1967.018866][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1967.018866][ T10] ip6_route_add+0x1c/0x140 [ 1967.018866][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1967.018866][ T10] inet6_addr_add+0x4f8/0xa40 [ 1967.018866][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1967.018866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1967.018866][ T10] netlink_rcv_skb+0x130/0x360 [ 1967.018866][ T10] netlink_unicast+0x449/0x710 [ 1967.018866][ T10] netlink_sendmsg+0x723/0xbe0 [ 1967.018866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1967.018866][ T10] ___sys_sendmsg+0xee/0x170 [ 1967.018866][ T10] __sys_sendmsg+0xcd/0x170 [ 1967.018866][ T10] do_syscall_64+0xc6/0x1e0 [ 1967.018866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1967.018866][ T10] [ 1967.021117][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1967.021117][ T10] netdev_get_by_index+0x5e/0x80 [ 1967.021117][ T10] fib6_nh_init+0x3d8/0x1580 [ 1967.021117][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1967.021117][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1967.021117][ T10] ipv6_add_addr+0x411/0x2000 [ 1967.021117][ T10] inet6_addr_add+0x30e/0xa40 [ 1967.021117][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1967.021117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1967.021117][ T10] netlink_rcv_skb+0x130/0x360 [ 1967.021117][ T10] netlink_unicast+0x449/0x710 [ 1967.021117][ T10] netlink_sendmsg+0x723/0xbe0 [ 1967.021117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1967.021117][ T10] ___sys_sendmsg+0xee/0x170 [ 1967.021117][ T10] __sys_sendmsg+0xcd/0x170 [ 1967.021117][ T10] do_syscall_64+0xc6/0x1e0 [ 1967.021117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1967.021117][ T10] [ 1967.023382][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1967.023382][ T10] netdev_get_by_index+0x5e/0x80 [ 1967.023382][ T10] fib6_nh_init+0x3d8/0x1580 [ 1967.023382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1967.023382][ T10] ip6_route_add+0x1c/0x140 [ 1967.023382][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1967.023382][ T10] addrconf_add_dev+0xe2/0x170 [ 1967.023382][ T10] inet6_addr_add+0x12f/0xa40 [ 1967.023382][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1967.023382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1967.023382][ T10] netlink_rcv_skb+0x130/0x360 [ 1967.023382][ T10] netlink_unicast+0x449/0x710 [ 1967.023382][ T10] netlink_sendmsg+0x723/0xbe0 [ 1967.023382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1967.023382][ T10] ___sys_sendmsg+0xee/0x170 [ 1967.023382][ T10] __sys_sendmsg+0xcd/0x170 [ 1967.023382][ T10] do_syscall_64+0xc6/0x1e0 [ 1967.023382][ T10] [ 1967.025668][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1967.025668][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1967.025668][ T10] ipv6_find_idev+0x102/0x170 [ 1967.025668][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1967.025668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1967.025668][ T10] netlink_rcv_skb+0x130/0x360 [ 1967.025668][ T10] netlink_unicast+0x449/0x710 [ 1967.025668][ T10] netlink_sendmsg+0x723/0xbe0 [ 1967.025668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1967.025668][ T10] ___sys_sendmsg+0xee/0x170 [ 1967.025668][ T10] __sys_sendmsg+0xcd/0x170 [ 1967.025668][ T10] do_syscall_64+0xc6/0x1e0 [ 1967.025668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1967.025668][ T10] [ 1967.027428][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1967.027428][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1967.027428][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1967.027428][ T10] ipv6_find_idev+0x102/0x170 [ 1967.027428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1967.027428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1967.027428][ T10] netlink_rcv_skb+0x130/0x360 [ 1967.027428][ T10] netlink_unicast+0x449/0x710 [ 1967.027428][ T10] netlink_sendmsg+0x723/0xbe0 [ 1967.027428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1967.027428][ T10] ___sys_sendmsg+0xee/0x170 [ 1967.027428][ T10] __sys_sendmsg+0xcd/0x170 [ 1967.027428][ T10] do_syscall_64+0xc6/0x1e0 [ 1967.027428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1967.027428][ T10] [ 1967.029353][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1967.029602][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1967.029602][ T10] netdev_get_by_index+0x5e/0x80 [ 1967.029602][ T10] fib6_nh_init+0x3d8/0x1580 [ 1967.029602][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1967.029602][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1967.029602][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1967.029602][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1967.029602][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1967.029602][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1967.029602][ T10] addrconf_dad_begin+0x310/0x670 [ 1967.029602][ T10] addrconf_dad_work+0x10b/0xab0 [ 1967.029602][ T10] process_one_work+0x84d/0x18a0 [ 1967.029602][ T10] worker_thread+0x587/0xd30 [ 1967.029602][ T10] kthread+0x28a/0x350 [ 1967.029602][ T10] ret_from_fork+0x31/0x70 [ 1967.029602][ T10] ret_from_fork_asm+0x1a/0x30 [ 1967.029602][ T10] [ 1967.031774][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1967.031774][ T10] netdev_get_by_index+0x5e/0x80 [ 1967.031774][ T10] fib6_nh_init+0x3d8/0x1580 [ 1967.031774][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1967.031774][ T10] ip6_route_add+0x1c/0x140 [ 1967.031774][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1967.031774][ T10] inet6_addr_add+0x4f8/0xa40 [ 1967.031774][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1967.031774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1967.031774][ T10] netlink_rcv_skb+0x130/0x360 [ 1967.031774][ T10] netlink_unicast+0x449/0x710 [ 1967.031774][ T10] netlink_sendmsg+0x723/0xbe0 [ 1967.031774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1967.031774][ T10] ___sys_sendmsg+0xee/0x170 [ 1967.031774][ T10] __sys_sendmsg+0xcd/0x170 [ 1967.031774][ T10] do_syscall_64+0xc6/0x1e0 [ 1967.031774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1967.031774][ T10] [ 1967.034099][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1967.034099][ T10] netdev_get_by_index+0x5e/0x80 [ 1967.034099][ T10] fib6_nh_init+0x3d8/0x1580 [ 1967.034099][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1967.034099][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1967.034099][ T10] ipv6_add_addr+0x411/0x2000 [ 1967.034099][ T10] inet6_addr_add+0x30e/0xa40 [ 1967.034099][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1967.034099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1967.034099][ T10] netlink_rcv_skb+0x130/0x360 [ 1967.034099][ T10] netlink_unicast+0x449/0x710 [ 1967.034099][ T10] netlink_sendmsg+0x723/0xbe0 [ 1967.034099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1967.034099][ T10] ___sys_sendmsg+0xee/0x170 [ 1967.034099][ T10] __sys_sendmsg+0xcd/0x170 [ 1967.034099][ T10] do_syscall_64+0xc6/0x1e0 [ 1967.034099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1967.034099][ T10] [ 1967.036358][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1967.036358][ T10] netdev_get_by_index+0x5e/0x80 [ 1967.036358][ T10] fib6_nh_init+0x3d8/0x1580 [ 1967.036358][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1967.036358][ T10] ip6_route_add+0x1c/0x140 [ 1967.036358][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1967.036358][ T10] addrconf_add_dev+0xe2/0x170 [ 1967.036358][ T10] inet6_addr_add+0x12f/0xa40 [ 1967.036358][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1967.036358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1967.036358][ T10] netlink_rcv_skb+0x130/0x360 [ 1967.036358][ T10] netlink_unicast+0x449/0x710 [ 1967.036358][ T10] netlink_sendmsg+0x723/0xbe0 [ 1967.036358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1967.036358][ T10] ___sys_sendmsg+0xee/0x170 [ 1967.036358][ T10] __sys_sendmsg+0xcd/0x170 [ 1967.036358][ T10] do_syscall_64+0xc6/0x1e0 [ 1967.036358][ T10] [ 1967.038530][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1967.038530][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1967.038530][ T10] ipv6_find_idev+0x102/0x170 [ 1967.038530][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1967.038530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1967.038530][ T10] netlink_rcv_skb+0x130/0x360 [ 1967.038530][ T10] netlink_unicast+0x449/0x710 [ 1967.038530][ T10] netlink_sendmsg+0x723/0xbe0 [ 1967.038530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1967.038530][ T10] ___sys_sendmsg+0xee/0x170 [ 1967.038530][ T10] __sys_sendmsg+0xcd/0x170 [ 1967.038530][ T10] do_syscall_64+0xc6/0x1e0 [ 1967.038530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1967.038530][ T10] [ 1967.040276][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1967.040276][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1967.040276][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1967.040276][ T10] ipv6_find_idev+0x102/0x170 [ 1967.040276][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1967.040276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1967.040276][ T10] netlink_rcv_skb+0x130/0x360 [ 1967.040276][ T10] netlink_unicast+0x449/0x710 [ 1967.040276][ T10] netlink_sendmsg+0x723/0xbe0 [ 1967.040276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1967.040276][ T10] ___sys_sendmsg+0xee/0x170 [ 1967.040276][ T10] __sys_sendmsg+0xcd/0x170 [ 1967.040276][ T10] do_syscall_64+0xc6/0x1e0 [ 1967.040276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1967.040276][ T10] [ 1972.673118][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1972.673627][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1972.673627][ T1167] dst_init+0x84/0x4a0 [ 1972.673627][ T1167] dst_alloc+0x97/0x150 [ 1972.673627][ T1167] ip6_dst_alloc+0x23/0x90 [ 1972.673627][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1972.673627][ T1167] ip6_pol_route+0x56f/0x840 [ 1972.673627][ T1167] fib6_rule_lookup+0x334/0x630 [ 1972.673627][ T1167] ip6_route_output_flags+0x259/0x480 [ 1972.673627][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1972.673627][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1972.673627][ T1167] netlink_rcv_skb+0x130/0x360 [ 1972.673627][ T1167] netlink_unicast+0x449/0x710 [ 1972.673627][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1972.673627][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1972.673627][ T1167] ___sys_sendmsg+0xee/0x170 [ 1972.673627][ T1167] __sys_sendmsg+0xcd/0x170 [ 1972.673627][ T1167] do_syscall_64+0xc6/0x1e0 [ 1972.673627][ T1167] [ 1972.675835][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1972.675835][ T1167] netdev_get_by_index+0x5e/0x80 [ 1972.675835][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1972.675835][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1972.675835][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1972.675835][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1972.675835][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1972.675835][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1972.675835][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1972.675835][ T1167] addrconf_dad_begin+0x310/0x670 [ 1972.675835][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1972.675835][ T1167] process_one_work+0x84d/0x18a0 [ 1972.675835][ T1167] worker_thread+0x587/0xd30 [ 1972.675835][ T1167] kthread+0x28a/0x350 [ 1972.675835][ T1167] ret_from_fork+0x31/0x70 [ 1972.675835][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1972.675835][ T1167] [ 1972.677985][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1972.677985][ T1167] netdev_get_by_index+0x5e/0x80 [ 1972.677985][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1972.677985][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1972.677985][ T1167] ip6_route_add+0x1c/0x140 [ 1972.677985][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1972.677985][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1972.677985][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1972.677985][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1972.677985][ T1167] netlink_rcv_skb+0x130/0x360 [ 1972.677985][ T1167] netlink_unicast+0x449/0x710 [ 1972.677985][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1972.677985][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1972.677985][ T1167] ___sys_sendmsg+0xee/0x170 [ 1972.677985][ T1167] __sys_sendmsg+0xcd/0x170 [ 1972.677985][ T1167] do_syscall_64+0xc6/0x1e0 [ 1972.677985][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1972.677985][ T1167] [ 1972.680249][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1972.680249][ T1167] netdev_get_by_index+0x5e/0x80 [ 1972.680249][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1972.680249][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1972.680249][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1972.680249][ T1167] ipv6_add_addr+0x411/0x2000 [ 1972.680249][ T1167] inet6_addr_add+0x30e/0xa40 [ 1972.680249][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1972.680249][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1972.680249][ T1167] netlink_rcv_skb+0x130/0x360 [ 1972.680249][ T1167] netlink_unicast+0x449/0x710 [ 1972.680249][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1972.680249][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1972.680249][ T1167] ___sys_sendmsg+0xee/0x170 [ 1972.680249][ T1167] __sys_sendmsg+0xcd/0x170 [ 1972.680249][ T1167] do_syscall_64+0xc6/0x1e0 [ 1972.680249][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1972.680249][ T1167] [ 1972.682485][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1972.682485][ T1167] netdev_get_by_index+0x5e/0x80 [ 1972.682485][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1972.682485][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1972.682485][ T1167] ip6_route_add+0x1c/0x140 [ 1972.682485][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1972.682485][ T1167] addrconf_add_dev+0xe2/0x170 [ 1972.682485][ T1167] inet6_addr_add+0x12f/0xa40 [ 1972.682485][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1972.682485][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1972.682485][ T1167] netlink_rcv_skb+0x130/0x360 [ 1972.682485][ T1167] netlink_unicast+0x449/0x710 [ 1972.682485][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1972.682485][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1972.682485][ T1167] ___sys_sendmsg+0xee/0x170 [ 1972.682485][ T1167] __sys_sendmsg+0xcd/0x170 [ 1972.682485][ T1167] do_syscall_64+0xc6/0x1e0 [ 1972.682485][ T1167] [ 1972.684697][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1972.684697][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1972.684697][ T1167] ipv6_find_idev+0x102/0x170 [ 1972.684697][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1972.684697][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1972.684697][ T1167] netlink_rcv_skb+0x130/0x360 [ 1972.684697][ T1167] netlink_unicast+0x449/0x710 [ 1972.684697][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1972.684697][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1972.684697][ T1167] ___sys_sendmsg+0xee/0x170 [ 1972.684697][ T1167] __sys_sendmsg+0xcd/0x170 [ 1972.684697][ T1167] do_syscall_64+0xc6/0x1e0 [ 1972.684697][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1972.684697][ T1167] [ 1972.686423][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1972.686423][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1972.686423][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1972.686423][ T1167] ipv6_find_idev+0x102/0x170 [ 1972.686423][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1972.686423][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1972.686423][ T1167] netlink_rcv_skb+0x130/0x360 [ 1972.686423][ T1167] netlink_unicast+0x449/0x710 [ 1972.686423][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1972.686423][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1972.686423][ T1167] ___sys_sendmsg+0xee/0x170 [ 1972.686423][ T1167] __sys_sendmsg+0xcd/0x170 [ 1972.686423][ T1167] do_syscall_64+0xc6/0x1e0 [ 1972.686423][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1972.686423][ T1167] [ 1977.281169][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1977.281576][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1977.281576][ T10] netdev_get_by_index+0x5e/0x80 [ 1977.281576][ T10] fib6_nh_init+0x3d8/0x1580 [ 1977.281576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1977.281576][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1977.281576][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1977.281576][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1977.281576][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1977.281576][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1977.281576][ T10] addrconf_dad_begin+0x310/0x670 [ 1977.281576][ T10] addrconf_dad_work+0x10b/0xab0 [ 1977.281576][ T10] process_one_work+0x84d/0x18a0 [ 1977.281576][ T10] worker_thread+0x587/0xd30 [ 1977.281576][ T10] kthread+0x28a/0x350 [ 1977.281576][ T10] ret_from_fork+0x31/0x70 [ 1977.281576][ T10] ret_from_fork_asm+0x1a/0x30 [ 1977.281576][ T10] [ 1977.283517][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1977.283517][ T10] netdev_get_by_index+0x5e/0x80 [ 1977.283517][ T10] fib6_nh_init+0x3d8/0x1580 [ 1977.283517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1977.283517][ T10] ip6_route_add+0x1c/0x140 [ 1977.283517][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1977.283517][ T10] inet6_addr_add+0x4f8/0xa40 [ 1977.283517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1977.283517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1977.283517][ T10] netlink_rcv_skb+0x130/0x360 [ 1977.283517][ T10] netlink_unicast+0x449/0x710 [ 1977.283517][ T10] netlink_sendmsg+0x723/0xbe0 [ 1977.283517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1977.283517][ T10] ___sys_sendmsg+0xee/0x170 [ 1977.283517][ T10] __sys_sendmsg+0xcd/0x170 [ 1977.283517][ T10] do_syscall_64+0xc6/0x1e0 [ 1977.283517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1977.283517][ T10] [ 1977.285523][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1977.285523][ T10] netdev_get_by_index+0x5e/0x80 [ 1977.285523][ T10] fib6_nh_init+0x3d8/0x1580 [ 1977.285523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1977.285523][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1977.285523][ T10] ipv6_add_addr+0x411/0x2000 [ 1977.285523][ T10] inet6_addr_add+0x30e/0xa40 [ 1977.285523][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1977.285523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1977.285523][ T10] netlink_rcv_skb+0x130/0x360 [ 1977.285523][ T10] netlink_unicast+0x449/0x710 [ 1977.285523][ T10] netlink_sendmsg+0x723/0xbe0 [ 1977.285523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1977.285523][ T10] ___sys_sendmsg+0xee/0x170 [ 1977.285523][ T10] __sys_sendmsg+0xcd/0x170 [ 1977.285523][ T10] do_syscall_64+0xc6/0x1e0 [ 1977.285523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1977.285523][ T10] [ 1977.287519][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1977.287519][ T10] netdev_get_by_index+0x5e/0x80 [ 1977.287519][ T10] fib6_nh_init+0x3d8/0x1580 [ 1977.287519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1977.287519][ T10] ip6_route_add+0x1c/0x140 [ 1977.287519][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1977.287519][ T10] addrconf_add_dev+0xe2/0x170 [ 1977.287519][ T10] inet6_addr_add+0x12f/0xa40 [ 1977.287519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1977.287519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1977.287519][ T10] netlink_rcv_skb+0x130/0x360 [ 1977.287519][ T10] netlink_unicast+0x449/0x710 [ 1977.287519][ T10] netlink_sendmsg+0x723/0xbe0 [ 1977.287519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1977.287519][ T10] ___sys_sendmsg+0xee/0x170 [ 1977.287519][ T10] __sys_sendmsg+0xcd/0x170 [ 1977.287519][ T10] do_syscall_64+0xc6/0x1e0 [ 1977.287519][ T10] [ 1977.289487][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1977.289487][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1977.289487][ T10] ipv6_find_idev+0x102/0x170 [ 1977.289487][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1977.289487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1977.289487][ T10] netlink_rcv_skb+0x130/0x360 [ 1977.289487][ T10] netlink_unicast+0x449/0x710 [ 1977.289487][ T10] netlink_sendmsg+0x723/0xbe0 [ 1977.289487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1977.289487][ T10] ___sys_sendmsg+0xee/0x170 [ 1977.289487][ T10] __sys_sendmsg+0xcd/0x170 [ 1977.289487][ T10] do_syscall_64+0xc6/0x1e0 [ 1977.289487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1977.289487][ T10] [ 1977.291026][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1977.291026][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1977.291026][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1977.291026][ T10] ipv6_find_idev+0x102/0x170 [ 1977.291026][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1977.291026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1977.291026][ T10] netlink_rcv_skb+0x130/0x360 [ 1977.291026][ T10] netlink_unicast+0x449/0x710 [ 1977.291026][ T10] netlink_sendmsg+0x723/0xbe0 [ 1977.291026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1977.291026][ T10] ___sys_sendmsg+0xee/0x170 [ 1977.291026][ T10] __sys_sendmsg+0xcd/0x170 [ 1977.291026][ T10] do_syscall_64+0xc6/0x1e0 [ 1977.291026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1977.291026][ T10] [ 1977.292715][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1977.292960][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1977.292960][ T10] netdev_get_by_index+0x5e/0x80 [ 1977.292960][ T10] fib6_nh_init+0x3d8/0x1580 [ 1977.292960][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1977.292960][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1977.292960][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1977.292960][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1977.292960][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1977.292960][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1977.292960][ T10] addrconf_dad_begin+0x310/0x670 [ 1977.292960][ T10] addrconf_dad_work+0x10b/0xab0 [ 1977.292960][ T10] process_one_work+0x84d/0x18a0 [ 1977.292960][ T10] worker_thread+0x587/0xd30 [ 1977.292960][ T10] kthread+0x28a/0x350 [ 1977.292960][ T10] ret_from_fork+0x31/0x70 [ 1977.292960][ T10] ret_from_fork_asm+0x1a/0x30 [ 1977.292960][ T10] [ 1977.294869][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1977.294869][ T10] netdev_get_by_index+0x5e/0x80 [ 1977.294869][ T10] fib6_nh_init+0x3d8/0x1580 [ 1977.294869][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1977.294869][ T10] ip6_route_add+0x1c/0x140 [ 1977.294869][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1977.294869][ T10] inet6_addr_add+0x4f8/0xa40 [ 1977.294869][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1977.294869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1977.294869][ T10] netlink_rcv_skb+0x130/0x360 [ 1977.294869][ T10] netlink_unicast+0x449/0x710 [ 1977.294869][ T10] netlink_sendmsg+0x723/0xbe0 [ 1977.294869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1977.294869][ T10] ___sys_sendmsg+0xee/0x170 [ 1977.294869][ T10] __sys_sendmsg+0xcd/0x170 [ 1977.294869][ T10] do_syscall_64+0xc6/0x1e0 [ 1977.294869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1977.294869][ T10] [ 1977.296869][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1977.296869][ T10] netdev_get_by_index+0x5e/0x80 [ 1977.296869][ T10] fib6_nh_init+0x3d8/0x1580 [ 1977.296869][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1977.296869][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1977.296869][ T10] ipv6_add_addr+0x411/0x2000 [ 1977.296869][ T10] inet6_addr_add+0x30e/0xa40 [ 1977.296869][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1977.296869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1977.296869][ T10] netlink_rcv_skb+0x130/0x360 [ 1977.296869][ T10] netlink_unicast+0x449/0x710 [ 1977.296869][ T10] netlink_sendmsg+0x723/0xbe0 [ 1977.296869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1977.296869][ T10] ___sys_sendmsg+0xee/0x170 [ 1977.296869][ T10] __sys_sendmsg+0xcd/0x170 [ 1977.296869][ T10] do_syscall_64+0xc6/0x1e0 [ 1977.296869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1977.296869][ T10] [ 1977.298882][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1977.298882][ T10] netdev_get_by_index+0x5e/0x80 [ 1977.298882][ T10] fib6_nh_init+0x3d8/0x1580 [ 1977.298882][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1977.298882][ T10] ip6_route_add+0x1c/0x140 [ 1977.298882][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1977.298882][ T10] addrconf_add_dev+0xe2/0x170 [ 1977.298882][ T10] inet6_addr_add+0x12f/0xa40 [ 1977.298882][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1977.298882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1977.298882][ T10] netlink_rcv_skb+0x130/0x360 [ 1977.298882][ T10] netlink_unicast+0x449/0x710 [ 1977.298882][ T10] netlink_sendmsg+0x723/0xbe0 [ 1977.298882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1977.298882][ T10] ___sys_sendmsg+0xee/0x170 [ 1977.298882][ T10] __sys_sendmsg+0xcd/0x170 [ 1977.298882][ T10] do_syscall_64+0xc6/0x1e0 [ 1977.298882][ T10] [ 1977.300863][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1977.300863][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1977.300863][ T10] ipv6_find_idev+0x102/0x170 [ 1977.300863][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1977.300863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1977.300863][ T10] netlink_rcv_skb+0x130/0x360 [ 1977.300863][ T10] netlink_unicast+0x449/0x710 [ 1977.300863][ T10] netlink_sendmsg+0x723/0xbe0 [ 1977.300863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1977.300863][ T10] ___sys_sendmsg+0xee/0x170 [ 1977.300863][ T10] __sys_sendmsg+0xcd/0x170 [ 1977.300863][ T10] do_syscall_64+0xc6/0x1e0 [ 1977.300863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1977.300863][ T10] [ 1977.302397][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1977.302397][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1977.302397][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1977.302397][ T10] ipv6_find_idev+0x102/0x170 [ 1977.302397][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1977.302397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1977.302397][ T10] netlink_rcv_skb+0x130/0x360 [ 1977.302397][ T10] netlink_unicast+0x449/0x710 [ 1977.302397][ T10] netlink_sendmsg+0x723/0xbe0 [ 1977.302397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1977.302397][ T10] ___sys_sendmsg+0xee/0x170 [ 1977.302397][ T10] __sys_sendmsg+0xcd/0x170 [ 1977.302397][ T10] do_syscall_64+0xc6/0x1e0 [ 1977.302397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1977.302397][ T10] [ 1977.304084][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1977.304323][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1977.304323][ T10] netdev_get_by_index+0x5e/0x80 [ 1977.304323][ T10] fib6_nh_init+0x3d8/0x1580 [ 1977.304323][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1977.304323][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1977.304323][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1977.304323][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1977.304323][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1977.304323][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1977.304323][ T10] addrconf_dad_begin+0x310/0x670 [ 1977.304323][ T10] addrconf_dad_work+0x10b/0xab0 [ 1977.304323][ T10] process_one_work+0x84d/0x18a0 [ 1977.304323][ T10] worker_thread+0x587/0xd30 [ 1977.304323][ T10] kthread+0x28a/0x350 [ 1977.304323][ T10] ret_from_fork+0x31/0x70 [ 1977.304323][ T10] ret_from_fork_asm+0x1a/0x30 [ 1977.304323][ T10] [ 1977.306230][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1977.306230][ T10] netdev_get_by_index+0x5e/0x80 [ 1977.306230][ T10] fib6_nh_init+0x3d8/0x1580 [ 1977.306230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1977.306230][ T10] ip6_route_add+0x1c/0x140 [ 1977.306230][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1977.306230][ T10] inet6_addr_add+0x4f8/0xa40 [ 1977.306230][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1977.306230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1977.306230][ T10] netlink_rcv_skb+0x130/0x360 [ 1977.306230][ T10] netlink_unicast+0x449/0x710 [ 1977.306230][ T10] netlink_sendmsg+0x723/0xbe0 [ 1977.306230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1977.306230][ T10] ___sys_sendmsg+0xee/0x170 [ 1977.306230][ T10] __sys_sendmsg+0xcd/0x170 [ 1977.306230][ T10] do_syscall_64+0xc6/0x1e0 [ 1977.306230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1977.306230][ T10] [ 1977.308410][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1977.308410][ T10] netdev_get_by_index+0x5e/0x80 [ 1977.308410][ T10] fib6_nh_init+0x3d8/0x1580 [ 1977.308410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1977.308410][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1977.308410][ T10] ipv6_add_addr+0x411/0x2000 [ 1977.308410][ T10] inet6_addr_add+0x30e/0xa40 [ 1977.308410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1977.308410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1977.308410][ T10] netlink_rcv_skb+0x130/0x360 [ 1977.308410][ T10] netlink_unicast+0x449/0x710 [ 1977.308410][ T10] netlink_sendmsg+0x723/0xbe0 [ 1977.308410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1977.308410][ T10] ___sys_sendmsg+0xee/0x170 [ 1977.308410][ T10] __sys_sendmsg+0xcd/0x170 [ 1977.308410][ T10] do_syscall_64+0xc6/0x1e0 [ 1977.308410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1977.308410][ T10] [ 1977.311262][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1977.311262][ T10] netdev_get_by_index+0x5e/0x80 [ 1977.311262][ T10] fib6_nh_init+0x3d8/0x1580 [ 1977.311262][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1977.311262][ T10] ip6_route_add+0x1c/0x140 [ 1977.311262][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1977.311262][ T10] addrconf_add_dev+0xe2/0x170 [ 1977.311262][ T10] inet6_addr_add+0x12f/0xa40 [ 1977.311262][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1977.311262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1977.311262][ T10] netlink_rcv_skb+0x130/0x360 [ 1977.311262][ T10] netlink_unicast+0x449/0x710 [ 1977.311262][ T10] netlink_sendmsg+0x723/0xbe0 [ 1977.311262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1977.311262][ T10] ___sys_sendmsg+0xee/0x170 [ 1977.311262][ T10] __sys_sendmsg+0xcd/0x170 [ 1977.311262][ T10] do_syscall_64+0xc6/0x1e0 [ 1977.311262][ T10] [ 1977.313461][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1977.313461][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1977.313461][ T10] ipv6_find_idev+0x102/0x170 [ 1977.313461][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1977.313461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1977.313461][ T10] netlink_rcv_skb+0x130/0x360 [ 1977.313461][ T10] netlink_unicast+0x449/0x710 [ 1977.313461][ T10] netlink_sendmsg+0x723/0xbe0 [ 1977.313461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1977.313461][ T10] ___sys_sendmsg+0xee/0x170 [ 1977.313461][ T10] __sys_sendmsg+0xcd/0x170 [ 1977.313461][ T10] do_syscall_64+0xc6/0x1e0 [ 1977.313461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1977.313461][ T10] [ 1977.315126][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1977.315126][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1977.315126][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1977.315126][ T10] ipv6_find_idev+0x102/0x170 [ 1977.315126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1977.315126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1977.315126][ T10] netlink_rcv_skb+0x130/0x360 [ 1977.315126][ T10] netlink_unicast+0x449/0x710 [ 1977.315126][ T10] netlink_sendmsg+0x723/0xbe0 [ 1977.315126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1977.315126][ T10] ___sys_sendmsg+0xee/0x170 [ 1977.315126][ T10] __sys_sendmsg+0xcd/0x170 [ 1977.315126][ T10] do_syscall_64+0xc6/0x1e0 [ 1977.315126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1977.315126][ T10] [ 1977.317054][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1977.317299][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1977.317299][ T10] netdev_get_by_index+0x5e/0x80 [ 1977.317299][ T10] fib6_nh_init+0x3d8/0x1580 [ 1977.317299][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1977.317299][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1977.317299][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1977.317299][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1977.317299][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1977.317299][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1977.317299][ T10] addrconf_dad_begin+0x310/0x670 [ 1977.317299][ T10] addrconf_dad_work+0x10b/0xab0 [ 1977.317299][ T10] process_one_work+0x84d/0x18a0 [ 1977.317299][ T10] worker_thread+0x587/0xd30 [ 1977.317299][ T10] kthread+0x28a/0x350 [ 1977.317299][ T10] ret_from_fork+0x31/0x70 [ 1977.317299][ T10] ret_from_fork_asm+0x1a/0x30 [ 1977.317299][ T10] [ 1977.319513][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1977.319513][ T10] netdev_get_by_index+0x5e/0x80 [ 1977.319513][ T10] fib6_nh_init+0x3d8/0x1580 [ 1977.319513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1977.319513][ T10] ip6_route_add+0x1c/0x140 [ 1977.319513][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1977.319513][ T10] inet6_addr_add+0x4f8/0xa40 [ 1977.319513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1977.319513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1977.319513][ T10] netlink_rcv_skb+0x130/0x360 [ 1977.319513][ T10] netlink_unicast+0x449/0x710 [ 1977.319513][ T10] netlink_sendmsg+0x723/0xbe0 [ 1977.319513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1977.319513][ T10] ___sys_sendmsg+0xee/0x170 [ 1977.319513][ T10] __sys_sendmsg+0xcd/0x170 [ 1977.319513][ T10] do_syscall_64+0xc6/0x1e0 [ 1977.319513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1977.319513][ T10] [ 1977.321765][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1977.321765][ T10] netdev_get_by_index+0x5e/0x80 [ 1977.321765][ T10] fib6_nh_init+0x3d8/0x1580 [ 1977.321765][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1977.321765][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1977.321765][ T10] ipv6_add_addr+0x411/0x2000 [ 1977.321765][ T10] inet6_addr_add+0x30e/0xa40 [ 1977.321765][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1977.321765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1977.321765][ T10] netlink_rcv_skb+0x130/0x360 [ 1977.321765][ T10] netlink_unicast+0x449/0x710 [ 1977.321765][ T10] netlink_sendmsg+0x723/0xbe0 [ 1977.321765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1977.321765][ T10] ___sys_sendmsg+0xee/0x170 [ 1977.321765][ T10] __sys_sendmsg+0xcd/0x170 [ 1977.321765][ T10] do_syscall_64+0xc6/0x1e0 [ 1977.321765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1977.321765][ T10] [ 1977.323937][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1977.323937][ T10] netdev_get_by_index+0x5e/0x80 [ 1977.323937][ T10] fib6_nh_init+0x3d8/0x1580 [ 1977.323937][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1977.323937][ T10] ip6_route_add+0x1c/0x140 [ 1977.323937][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1977.323937][ T10] addrconf_add_dev+0xe2/0x170 [ 1977.323937][ T10] inet6_addr_add+0x12f/0xa40 [ 1977.323937][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1977.323937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1977.323937][ T10] netlink_rcv_skb+0x130/0x360 [ 1977.323937][ T10] netlink_unicast+0x449/0x710 [ 1977.323937][ T10] netlink_sendmsg+0x723/0xbe0 [ 1977.323937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1977.323937][ T10] ___sys_sendmsg+0xee/0x170 [ 1977.323937][ T10] __sys_sendmsg+0xcd/0x170 [ 1977.323937][ T10] do_syscall_64+0xc6/0x1e0 [ 1977.323937][ T10] [ 1977.326138][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1977.326138][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1977.326138][ T10] ipv6_find_idev+0x102/0x170 [ 1977.326138][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1977.326138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1977.326138][ T10] netlink_rcv_skb+0x130/0x360 [ 1977.326138][ T10] netlink_unicast+0x449/0x710 [ 1977.326138][ T10] netlink_sendmsg+0x723/0xbe0 [ 1977.326138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1977.326138][ T10] ___sys_sendmsg+0xee/0x170 [ 1977.326138][ T10] __sys_sendmsg+0xcd/0x170 [ 1977.326138][ T10] do_syscall_64+0xc6/0x1e0 [ 1977.326138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1977.326138][ T10] [ 1977.327851][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1977.327851][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1977.327851][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1977.327851][ T10] ipv6_find_idev+0x102/0x170 [ 1977.327851][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1977.327851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1977.327851][ T10] netlink_rcv_skb+0x130/0x360 [ 1977.327851][ T10] netlink_unicast+0x449/0x710 [ 1977.327851][ T10] netlink_sendmsg+0x723/0xbe0 [ 1977.327851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1977.327851][ T10] ___sys_sendmsg+0xee/0x170 [ 1977.327851][ T10] __sys_sendmsg+0xcd/0x170 [ 1977.327851][ T10] do_syscall_64+0xc6/0x1e0 [ 1977.327851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1977.327851][ T10] [ 1982.705178][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1982.705633][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1982.705633][ T1167] dst_init+0x84/0x4a0 [ 1982.705633][ T1167] dst_alloc+0x97/0x150 [ 1982.705633][ T1167] ip6_dst_alloc+0x23/0x90 [ 1982.705633][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1982.705633][ T1167] ip6_pol_route+0x56f/0x840 [ 1982.705633][ T1167] fib6_rule_lookup+0x334/0x630 [ 1982.705633][ T1167] ip6_route_output_flags+0x259/0x480 [ 1982.705633][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1982.705633][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1982.705633][ T1167] netlink_rcv_skb+0x130/0x360 [ 1982.705633][ T1167] netlink_unicast+0x449/0x710 [ 1982.705633][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1982.705633][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1982.705633][ T1167] ___sys_sendmsg+0xee/0x170 [ 1982.705633][ T1167] __sys_sendmsg+0xcd/0x170 [ 1982.705633][ T1167] do_syscall_64+0xc6/0x1e0 [ 1982.705633][ T1167] [ 1982.707858][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1982.707858][ T1167] netdev_get_by_index+0x5e/0x80 [ 1982.707858][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1982.707858][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1982.707858][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1982.707858][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1982.707858][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1982.707858][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1982.707858][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1982.707858][ T1167] addrconf_dad_begin+0x310/0x670 [ 1982.707858][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1982.707858][ T1167] process_one_work+0x84d/0x18a0 [ 1982.707858][ T1167] worker_thread+0x587/0xd30 [ 1982.707858][ T1167] kthread+0x28a/0x350 [ 1982.707858][ T1167] ret_from_fork+0x31/0x70 [ 1982.707858][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1982.707858][ T1167] [ 1982.710029][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1982.710029][ T1167] netdev_get_by_index+0x5e/0x80 [ 1982.710029][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1982.710029][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1982.710029][ T1167] ip6_route_add+0x1c/0x140 [ 1982.710029][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1982.710029][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1982.710029][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1982.710029][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1982.710029][ T1167] netlink_rcv_skb+0x130/0x360 [ 1982.710029][ T1167] netlink_unicast+0x449/0x710 [ 1982.710029][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1982.710029][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1982.710029][ T1167] ___sys_sendmsg+0xee/0x170 [ 1982.710029][ T1167] __sys_sendmsg+0xcd/0x170 [ 1982.710029][ T1167] do_syscall_64+0xc6/0x1e0 [ 1982.710029][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1982.710029][ T1167] [ 1982.712318][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1982.712318][ T1167] netdev_get_by_index+0x5e/0x80 [ 1982.712318][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1982.712318][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1982.712318][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1982.712318][ T1167] ipv6_add_addr+0x411/0x2000 [ 1982.712318][ T1167] inet6_addr_add+0x30e/0xa40 [ 1982.712318][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1982.712318][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1982.712318][ T1167] netlink_rcv_skb+0x130/0x360 [ 1982.712318][ T1167] netlink_unicast+0x449/0x710 [ 1982.712318][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1982.712318][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1982.712318][ T1167] ___sys_sendmsg+0xee/0x170 [ 1982.712318][ T1167] __sys_sendmsg+0xcd/0x170 [ 1982.712318][ T1167] do_syscall_64+0xc6/0x1e0 [ 1982.712318][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1982.712318][ T1167] [ 1982.714580][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1982.714580][ T1167] netdev_get_by_index+0x5e/0x80 [ 1982.714580][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1982.714580][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1982.714580][ T1167] ip6_route_add+0x1c/0x140 [ 1982.714580][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1982.714580][ T1167] addrconf_add_dev+0xe2/0x170 [ 1982.714580][ T1167] inet6_addr_add+0x12f/0xa40 [ 1982.714580][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1982.714580][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1982.714580][ T1167] netlink_rcv_skb+0x130/0x360 [ 1982.714580][ T1167] netlink_unicast+0x449/0x710 [ 1982.714580][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1982.714580][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1982.714580][ T1167] ___sys_sendmsg+0xee/0x170 [ 1982.714580][ T1167] __sys_sendmsg+0xcd/0x170 [ 1982.714580][ T1167] do_syscall_64+0xc6/0x1e0 [ 1982.714580][ T1167] [ 1982.716782][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1982.716782][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1982.716782][ T1167] ipv6_find_idev+0x102/0x170 [ 1982.716782][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1982.716782][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1982.716782][ T1167] netlink_rcv_skb+0x130/0x360 [ 1982.716782][ T1167] netlink_unicast+0x449/0x710 [ 1982.716782][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1982.716782][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1982.716782][ T1167] ___sys_sendmsg+0xee/0x170 [ 1982.716782][ T1167] __sys_sendmsg+0xcd/0x170 [ 1982.716782][ T1167] do_syscall_64+0xc6/0x1e0 [ 1982.716782][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1982.716782][ T1167] [ 1982.718511][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1982.718511][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1982.718511][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1982.718511][ T1167] ipv6_find_idev+0x102/0x170 [ 1982.718511][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1982.718511][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1982.718511][ T1167] netlink_rcv_skb+0x130/0x360 [ 1982.718511][ T1167] netlink_unicast+0x449/0x710 [ 1982.718511][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1982.718511][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1982.718511][ T1167] ___sys_sendmsg+0xee/0x170 [ 1982.718511][ T1167] __sys_sendmsg+0xcd/0x170 [ 1982.718511][ T1167] do_syscall_64+0xc6/0x1e0 [ 1982.718511][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1982.718511][ T1167] [ 1987.569103][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1987.569575][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1987.569575][ T10] netdev_get_by_index+0x5e/0x80 [ 1987.569575][ T10] fib6_nh_init+0x3d8/0x1580 [ 1987.569575][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1987.569575][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1987.569575][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1987.569575][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1987.569575][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1987.569575][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1987.569575][ T10] addrconf_dad_begin+0x310/0x670 [ 1987.569575][ T10] addrconf_dad_work+0x10b/0xab0 [ 1987.569575][ T10] process_one_work+0x84d/0x18a0 [ 1987.569575][ T10] worker_thread+0x587/0xd30 [ 1987.569575][ T10] kthread+0x28a/0x350 [ 1987.569575][ T10] ret_from_fork+0x31/0x70 [ 1987.569575][ T10] ret_from_fork_asm+0x1a/0x30 [ 1987.569575][ T10] [ 1987.571555][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1987.571555][ T10] netdev_get_by_index+0x5e/0x80 [ 1987.571555][ T10] fib6_nh_init+0x3d8/0x1580 [ 1987.571555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1987.571555][ T10] ip6_route_add+0x1c/0x140 [ 1987.571555][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1987.571555][ T10] inet6_addr_add+0x4f8/0xa40 [ 1987.571555][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1987.571555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1987.571555][ T10] netlink_rcv_skb+0x130/0x360 [ 1987.571555][ T10] netlink_unicast+0x449/0x710 [ 1987.571555][ T10] netlink_sendmsg+0x723/0xbe0 [ 1987.571555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1987.571555][ T10] ___sys_sendmsg+0xee/0x170 [ 1987.571555][ T10] __sys_sendmsg+0xcd/0x170 [ 1987.571555][ T10] do_syscall_64+0xc6/0x1e0 [ 1987.571555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1987.571555][ T10] [ 1987.573574][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1987.573574][ T10] netdev_get_by_index+0x5e/0x80 [ 1987.573574][ T10] fib6_nh_init+0x3d8/0x1580 [ 1987.573574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1987.573574][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1987.573574][ T10] ipv6_add_addr+0x411/0x2000 [ 1987.573574][ T10] inet6_addr_add+0x30e/0xa40 [ 1987.573574][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1987.573574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1987.573574][ T10] netlink_rcv_skb+0x130/0x360 [ 1987.573574][ T10] netlink_unicast+0x449/0x710 [ 1987.573574][ T10] netlink_sendmsg+0x723/0xbe0 [ 1987.573574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1987.573574][ T10] ___sys_sendmsg+0xee/0x170 [ 1987.573574][ T10] __sys_sendmsg+0xcd/0x170 [ 1987.573574][ T10] do_syscall_64+0xc6/0x1e0 [ 1987.573574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1987.573574][ T10] [ 1987.575597][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1987.575597][ T10] netdev_get_by_index+0x5e/0x80 [ 1987.575597][ T10] fib6_nh_init+0x3d8/0x1580 [ 1987.575597][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1987.575597][ T10] ip6_route_add+0x1c/0x140 [ 1987.575597][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1987.575597][ T10] addrconf_add_dev+0xe2/0x170 [ 1987.575597][ T10] inet6_addr_add+0x12f/0xa40 [ 1987.575597][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1987.575597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1987.575597][ T10] netlink_rcv_skb+0x130/0x360 [ 1987.575597][ T10] netlink_unicast+0x449/0x710 [ 1987.575597][ T10] netlink_sendmsg+0x723/0xbe0 [ 1987.575597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1987.575597][ T10] ___sys_sendmsg+0xee/0x170 [ 1987.575597][ T10] __sys_sendmsg+0xcd/0x170 [ 1987.575597][ T10] do_syscall_64+0xc6/0x1e0 [ 1987.575597][ T10] [ 1987.577581][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1987.577581][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1987.577581][ T10] ipv6_find_idev+0x102/0x170 [ 1987.577581][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1987.577581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1987.577581][ T10] netlink_rcv_skb+0x130/0x360 [ 1987.577581][ T10] netlink_unicast+0x449/0x710 [ 1987.577581][ T10] netlink_sendmsg+0x723/0xbe0 [ 1987.577581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1987.577581][ T10] ___sys_sendmsg+0xee/0x170 [ 1987.577581][ T10] __sys_sendmsg+0xcd/0x170 [ 1987.577581][ T10] do_syscall_64+0xc6/0x1e0 [ 1987.577581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1987.577581][ T10] [ 1987.579156][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1987.579156][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1987.579156][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1987.579156][ T10] ipv6_find_idev+0x102/0x170 [ 1987.579156][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1987.579156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1987.579156][ T10] netlink_rcv_skb+0x130/0x360 [ 1987.579156][ T10] netlink_unicast+0x449/0x710 [ 1987.579156][ T10] netlink_sendmsg+0x723/0xbe0 [ 1987.579156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1987.579156][ T10] ___sys_sendmsg+0xee/0x170 [ 1987.579156][ T10] __sys_sendmsg+0xcd/0x170 [ 1987.579156][ T10] do_syscall_64+0xc6/0x1e0 [ 1987.579156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1987.579156][ T10] [ 1987.580909][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1987.581186][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1987.581186][ T10] netdev_get_by_index+0x5e/0x80 [ 1987.581186][ T10] fib6_nh_init+0x3d8/0x1580 [ 1987.581186][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1987.581186][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1987.581186][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1987.581186][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1987.581186][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1987.581186][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1987.581186][ T10] addrconf_dad_begin+0x310/0x670 [ 1987.581186][ T10] addrconf_dad_work+0x10b/0xab0 [ 1987.581186][ T10] process_one_work+0x84d/0x18a0 [ 1987.581186][ T10] worker_thread+0x587/0xd30 [ 1987.581186][ T10] kthread+0x28a/0x350 [ 1987.581186][ T10] ret_from_fork+0x31/0x70 [ 1987.581186][ T10] ret_from_fork_asm+0x1a/0x30 [ 1987.581186][ T10] [ 1987.583150][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1987.583150][ T10] netdev_get_by_index+0x5e/0x80 [ 1987.583150][ T10] fib6_nh_init+0x3d8/0x1580 [ 1987.583150][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1987.583150][ T10] ip6_route_add+0x1c/0x140 [ 1987.583150][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1987.583150][ T10] inet6_addr_add+0x4f8/0xa40 [ 1987.583150][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1987.583150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1987.583150][ T10] netlink_rcv_skb+0x130/0x360 [ 1987.583150][ T10] netlink_unicast+0x449/0x710 [ 1987.583150][ T10] netlink_sendmsg+0x723/0xbe0 [ 1987.583150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1987.583150][ T10] ___sys_sendmsg+0xee/0x170 [ 1987.583150][ T10] __sys_sendmsg+0xcd/0x170 [ 1987.583150][ T10] do_syscall_64+0xc6/0x1e0 [ 1987.583150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1987.583150][ T10] [ 1987.585196][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1987.585196][ T10] netdev_get_by_index+0x5e/0x80 [ 1987.585196][ T10] fib6_nh_init+0x3d8/0x1580 [ 1987.585196][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1987.585196][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1987.585196][ T10] ipv6_add_addr+0x411/0x2000 [ 1987.585196][ T10] inet6_addr_add+0x30e/0xa40 [ 1987.585196][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1987.585196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1987.585196][ T10] netlink_rcv_skb+0x130/0x360 [ 1987.585196][ T10] netlink_unicast+0x449/0x710 [ 1987.585196][ T10] netlink_sendmsg+0x723/0xbe0 [ 1987.585196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1987.585196][ T10] ___sys_sendmsg+0xee/0x170 [ 1987.585196][ T10] __sys_sendmsg+0xcd/0x170 [ 1987.585196][ T10] do_syscall_64+0xc6/0x1e0 [ 1987.585196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1987.585196][ T10] [ 1987.587225][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1987.587225][ T10] netdev_get_by_index+0x5e/0x80 [ 1987.587225][ T10] fib6_nh_init+0x3d8/0x1580 [ 1987.587225][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1987.587225][ T10] ip6_route_add+0x1c/0x140 [ 1987.587225][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1987.587225][ T10] addrconf_add_dev+0xe2/0x170 [ 1987.587225][ T10] inet6_addr_add+0x12f/0xa40 [ 1987.587225][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1987.587225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1987.587225][ T10] netlink_rcv_skb+0x130/0x360 [ 1987.587225][ T10] netlink_unicast+0x449/0x710 [ 1987.587225][ T10] netlink_sendmsg+0x723/0xbe0 [ 1987.587225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1987.587225][ T10] ___sys_sendmsg+0xee/0x170 [ 1987.587225][ T10] __sys_sendmsg+0xcd/0x170 [ 1987.587225][ T10] do_syscall_64+0xc6/0x1e0 [ 1987.587225][ T10] [ 1987.589228][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1987.589228][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1987.589228][ T10] ipv6_find_idev+0x102/0x170 [ 1987.589228][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1987.589228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1987.589228][ T10] netlink_rcv_skb+0x130/0x360 [ 1987.589228][ T10] netlink_unicast+0x449/0x710 [ 1987.589228][ T10] netlink_sendmsg+0x723/0xbe0 [ 1987.589228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1987.589228][ T10] ___sys_sendmsg+0xee/0x170 [ 1987.589228][ T10] __sys_sendmsg+0xcd/0x170 [ 1987.589228][ T10] do_syscall_64+0xc6/0x1e0 [ 1987.589228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1987.589228][ T10] [ 1987.590792][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1987.590792][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1987.590792][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1987.590792][ T10] ipv6_find_idev+0x102/0x170 [ 1987.590792][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1987.590792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1987.590792][ T10] netlink_rcv_skb+0x130/0x360 [ 1987.590792][ T10] netlink_unicast+0x449/0x710 [ 1987.590792][ T10] netlink_sendmsg+0x723/0xbe0 [ 1987.590792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1987.590792][ T10] ___sys_sendmsg+0xee/0x170 [ 1987.590792][ T10] __sys_sendmsg+0xcd/0x170 [ 1987.590792][ T10] do_syscall_64+0xc6/0x1e0 [ 1987.590792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1987.590792][ T10] [ 1987.592510][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1987.592762][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1987.592762][ T10] netdev_get_by_index+0x5e/0x80 [ 1987.592762][ T10] fib6_nh_init+0x3d8/0x1580 [ 1987.592762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1987.592762][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1987.592762][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1987.592762][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1987.592762][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1987.592762][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1987.592762][ T10] addrconf_dad_begin+0x310/0x670 [ 1987.592762][ T10] addrconf_dad_work+0x10b/0xab0 [ 1987.592762][ T10] process_one_work+0x84d/0x18a0 [ 1987.592762][ T10] worker_thread+0x587/0xd30 [ 1987.592762][ T10] kthread+0x28a/0x350 [ 1987.592762][ T10] ret_from_fork+0x31/0x70 [ 1987.592762][ T10] ret_from_fork_asm+0x1a/0x30 [ 1987.592762][ T10] [ 1987.594687][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1987.594687][ T10] netdev_get_by_index+0x5e/0x80 [ 1987.594687][ T10] fib6_nh_init+0x3d8/0x1580 [ 1987.594687][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1987.594687][ T10] ip6_route_add+0x1c/0x140 [ 1987.594687][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1987.594687][ T10] inet6_addr_add+0x4f8/0xa40 [ 1987.594687][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1987.594687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1987.594687][ T10] netlink_rcv_skb+0x130/0x360 [ 1987.594687][ T10] netlink_unicast+0x449/0x710 [ 1987.594687][ T10] netlink_sendmsg+0x723/0xbe0 [ 1987.594687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1987.594687][ T10] ___sys_sendmsg+0xee/0x170 [ 1987.594687][ T10] __sys_sendmsg+0xcd/0x170 [ 1987.594687][ T10] do_syscall_64+0xc6/0x1e0 [ 1987.594687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1987.594687][ T10] [ 1987.596834][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1987.596834][ T10] netdev_get_by_index+0x5e/0x80 [ 1987.596834][ T10] fib6_nh_init+0x3d8/0x1580 [ 1987.596834][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1987.596834][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1987.596834][ T10] ipv6_add_addr+0x411/0x2000 [ 1987.596834][ T10] inet6_addr_add+0x30e/0xa40 [ 1987.596834][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1987.596834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1987.596834][ T10] netlink_rcv_skb+0x130/0x360 [ 1987.596834][ T10] netlink_unicast+0x449/0x710 [ 1987.596834][ T10] netlink_sendmsg+0x723/0xbe0 [ 1987.596834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1987.596834][ T10] ___sys_sendmsg+0xee/0x170 [ 1987.596834][ T10] __sys_sendmsg+0xcd/0x170 [ 1987.596834][ T10] do_syscall_64+0xc6/0x1e0 [ 1987.596834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1987.596834][ T10] [ 1987.598994][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1987.598994][ T10] netdev_get_by_index+0x5e/0x80 [ 1987.598994][ T10] fib6_nh_init+0x3d8/0x1580 [ 1987.598994][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1987.598994][ T10] ip6_route_add+0x1c/0x140 [ 1987.598994][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1987.598994][ T10] addrconf_add_dev+0xe2/0x170 [ 1987.598994][ T10] inet6_addr_add+0x12f/0xa40 [ 1987.598994][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1987.598994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1987.598994][ T10] netlink_rcv_skb+0x130/0x360 [ 1987.598994][ T10] netlink_unicast+0x449/0x710 [ 1987.598994][ T10] netlink_sendmsg+0x723/0xbe0 [ 1987.598994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1987.598994][ T10] ___sys_sendmsg+0xee/0x170 [ 1987.598994][ T10] __sys_sendmsg+0xcd/0x170 [ 1987.598994][ T10] do_syscall_64+0xc6/0x1e0 [ 1987.598994][ T10] [ 1987.601104][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1987.601104][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1987.601104][ T10] ipv6_find_idev+0x102/0x170 [ 1987.601104][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1987.601104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1987.601104][ T10] netlink_rcv_skb+0x130/0x360 [ 1987.601104][ T10] netlink_unicast+0x449/0x710 [ 1987.601104][ T10] netlink_sendmsg+0x723/0xbe0 [ 1987.601104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1987.601104][ T10] ___sys_sendmsg+0xee/0x170 [ 1987.601104][ T10] __sys_sendmsg+0xcd/0x170 [ 1987.601104][ T10] do_syscall_64+0xc6/0x1e0 [ 1987.601104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1987.601104][ T10] [ 1987.602803][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1987.602803][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1987.602803][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1987.602803][ T10] ipv6_find_idev+0x102/0x170 [ 1987.602803][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1987.602803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1987.602803][ T10] netlink_rcv_skb+0x130/0x360 [ 1987.602803][ T10] netlink_unicast+0x449/0x710 [ 1987.602803][ T10] netlink_sendmsg+0x723/0xbe0 [ 1987.602803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1987.602803][ T10] ___sys_sendmsg+0xee/0x170 [ 1987.602803][ T10] __sys_sendmsg+0xcd/0x170 [ 1987.602803][ T10] do_syscall_64+0xc6/0x1e0 [ 1987.602803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1987.602803][ T10] [ 1987.604621][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1987.604871][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1987.604871][ T10] netdev_get_by_index+0x5e/0x80 [ 1987.604871][ T10] fib6_nh_init+0x3d8/0x1580 [ 1987.604871][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1987.604871][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1987.604871][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1987.604871][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1987.604871][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1987.604871][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1987.604871][ T10] addrconf_dad_begin+0x310/0x670 [ 1987.604871][ T10] addrconf_dad_work+0x10b/0xab0 [ 1987.604871][ T10] process_one_work+0x84d/0x18a0 [ 1987.604871][ T10] worker_thread+0x587/0xd30 [ 1987.604871][ T10] kthread+0x28a/0x350 [ 1987.604871][ T10] ret_from_fork+0x31/0x70 [ 1987.604871][ T10] ret_from_fork_asm+0x1a/0x30 [ 1987.604871][ T10] [ 1987.607077][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1987.607077][ T10] netdev_get_by_index+0x5e/0x80 [ 1987.607077][ T10] fib6_nh_init+0x3d8/0x1580 [ 1987.607077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1987.607077][ T10] ip6_route_add+0x1c/0x140 [ 1987.607077][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1987.607077][ T10] inet6_addr_add+0x4f8/0xa40 [ 1987.607077][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1987.607077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1987.607077][ T10] netlink_rcv_skb+0x130/0x360 [ 1987.607077][ T10] netlink_unicast+0x449/0x710 [ 1987.607077][ T10] netlink_sendmsg+0x723/0xbe0 [ 1987.607077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1987.607077][ T10] ___sys_sendmsg+0xee/0x170 [ 1987.607077][ T10] __sys_sendmsg+0xcd/0x170 [ 1987.607077][ T10] do_syscall_64+0xc6/0x1e0 [ 1987.607077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1987.607077][ T10] [ 1987.609233][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1987.609233][ T10] netdev_get_by_index+0x5e/0x80 [ 1987.609233][ T10] fib6_nh_init+0x3d8/0x1580 [ 1987.609233][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1987.609233][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1987.609233][ T10] ipv6_add_addr+0x411/0x2000 [ 1987.609233][ T10] inet6_addr_add+0x30e/0xa40 [ 1987.609233][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1987.609233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1987.609233][ T10] netlink_rcv_skb+0x130/0x360 [ 1987.609233][ T10] netlink_unicast+0x449/0x710 [ 1987.609233][ T10] netlink_sendmsg+0x723/0xbe0 [ 1987.609233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1987.609233][ T10] ___sys_sendmsg+0xee/0x170 [ 1987.609233][ T10] __sys_sendmsg+0xcd/0x170 [ 1987.609233][ T10] do_syscall_64+0xc6/0x1e0 [ 1987.609233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1987.609233][ T10] [ 1987.611399][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1987.611399][ T10] netdev_get_by_index+0x5e/0x80 [ 1987.611399][ T10] fib6_nh_init+0x3d8/0x1580 [ 1987.611399][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1987.611399][ T10] ip6_route_add+0x1c/0x140 [ 1987.611399][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1987.611399][ T10] addrconf_add_dev+0xe2/0x170 [ 1987.611399][ T10] inet6_addr_add+0x12f/0xa40 [ 1987.611399][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1987.611399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1987.611399][ T10] netlink_rcv_skb+0x130/0x360 [ 1987.611399][ T10] netlink_unicast+0x449/0x710 [ 1987.611399][ T10] netlink_sendmsg+0x723/0xbe0 [ 1987.611399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1987.611399][ T10] ___sys_sendmsg+0xee/0x170 [ 1987.611399][ T10] __sys_sendmsg+0xcd/0x170 [ 1987.611399][ T10] do_syscall_64+0xc6/0x1e0 [ 1987.611399][ T10] [ 1987.613547][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1987.613547][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1987.613547][ T10] ipv6_find_idev+0x102/0x170 [ 1987.613547][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1987.613547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1987.613547][ T10] netlink_rcv_skb+0x130/0x360 [ 1987.613547][ T10] netlink_unicast+0x449/0x710 [ 1987.613547][ T10] netlink_sendmsg+0x723/0xbe0 [ 1987.613547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1987.613547][ T10] ___sys_sendmsg+0xee/0x170 [ 1987.613547][ T10] __sys_sendmsg+0xcd/0x170 [ 1987.613547][ T10] do_syscall_64+0xc6/0x1e0 [ 1987.613547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1987.613547][ T10] [ 1987.615170][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1987.615170][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1987.615170][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1987.615170][ T10] ipv6_find_idev+0x102/0x170 [ 1987.615170][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1987.615170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1987.615170][ T10] netlink_rcv_skb+0x130/0x360 [ 1987.615170][ T10] netlink_unicast+0x449/0x710 [ 1987.615170][ T10] netlink_sendmsg+0x723/0xbe0 [ 1987.615170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1987.615170][ T10] ___sys_sendmsg+0xee/0x170 [ 1987.615170][ T10] __sys_sendmsg+0xcd/0x170 [ 1987.615170][ T10] do_syscall_64+0xc6/0x1e0 [ 1987.615170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1987.615170][ T10] [ 1992.969087][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 1992.969543][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1992.969543][ T1167] dst_init+0x84/0x4a0 [ 1992.969543][ T1167] dst_alloc+0x97/0x150 [ 1992.969543][ T1167] ip6_dst_alloc+0x23/0x90 [ 1992.969543][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1992.969543][ T1167] ip6_pol_route+0x56f/0x840 [ 1992.969543][ T1167] fib6_rule_lookup+0x334/0x630 [ 1992.969543][ T1167] ip6_route_output_flags+0x259/0x480 [ 1992.969543][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 1992.969543][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 1992.969543][ T1167] netlink_rcv_skb+0x130/0x360 [ 1992.969543][ T1167] netlink_unicast+0x449/0x710 [ 1992.969543][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1992.969543][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1992.969543][ T1167] ___sys_sendmsg+0xee/0x170 [ 1992.969543][ T1167] __sys_sendmsg+0xcd/0x170 [ 1992.969543][ T1167] do_syscall_64+0xc6/0x1e0 [ 1992.969543][ T1167] [ 1992.971746][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1992.971746][ T1167] netdev_get_by_index+0x5e/0x80 [ 1992.971746][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1992.971746][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1992.971746][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 1992.971746][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1992.971746][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 1992.971746][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1992.971746][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 1992.971746][ T1167] addrconf_dad_begin+0x310/0x670 [ 1992.971746][ T1167] addrconf_dad_work+0x10b/0xab0 [ 1992.971746][ T1167] process_one_work+0x84d/0x18a0 [ 1992.971746][ T1167] worker_thread+0x587/0xd30 [ 1992.971746][ T1167] kthread+0x28a/0x350 [ 1992.971746][ T1167] ret_from_fork+0x31/0x70 [ 1992.971746][ T1167] ret_from_fork_asm+0x1a/0x30 [ 1992.971746][ T1167] [ 1992.973912][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1992.973912][ T1167] netdev_get_by_index+0x5e/0x80 [ 1992.973912][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1992.973912][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1992.973912][ T1167] ip6_route_add+0x1c/0x140 [ 1992.973912][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 1992.973912][ T1167] inet6_addr_add+0x4f8/0xa40 [ 1992.973912][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1992.973912][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.973912][ T1167] netlink_rcv_skb+0x130/0x360 [ 1992.973912][ T1167] netlink_unicast+0x449/0x710 [ 1992.973912][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1992.973912][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1992.973912][ T1167] ___sys_sendmsg+0xee/0x170 [ 1992.973912][ T1167] __sys_sendmsg+0xcd/0x170 [ 1992.973912][ T1167] do_syscall_64+0xc6/0x1e0 [ 1992.973912][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.973912][ T1167] [ 1992.976189][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1992.976189][ T1167] netdev_get_by_index+0x5e/0x80 [ 1992.976189][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1992.976189][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1992.976189][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 1992.976189][ T1167] ipv6_add_addr+0x411/0x2000 [ 1992.976189][ T1167] inet6_addr_add+0x30e/0xa40 [ 1992.976189][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1992.976189][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.976189][ T1167] netlink_rcv_skb+0x130/0x360 [ 1992.976189][ T1167] netlink_unicast+0x449/0x710 [ 1992.976189][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1992.976189][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1992.976189][ T1167] ___sys_sendmsg+0xee/0x170 [ 1992.976189][ T1167] __sys_sendmsg+0xcd/0x170 [ 1992.976189][ T1167] do_syscall_64+0xc6/0x1e0 [ 1992.976189][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.976189][ T1167] [ 1992.978470][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1992.978470][ T1167] netdev_get_by_index+0x5e/0x80 [ 1992.978470][ T1167] fib6_nh_init+0x3d8/0x1580 [ 1992.978470][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 1992.978470][ T1167] ip6_route_add+0x1c/0x140 [ 1992.978470][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 1992.978470][ T1167] addrconf_add_dev+0xe2/0x170 [ 1992.978470][ T1167] inet6_addr_add+0x12f/0xa40 [ 1992.978470][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 1992.978470][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.978470][ T1167] netlink_rcv_skb+0x130/0x360 [ 1992.978470][ T1167] netlink_unicast+0x449/0x710 [ 1992.978470][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1992.978470][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1992.978470][ T1167] ___sys_sendmsg+0xee/0x170 [ 1992.978470][ T1167] __sys_sendmsg+0xcd/0x170 [ 1992.978470][ T1167] do_syscall_64+0xc6/0x1e0 [ 1992.978470][ T1167] [ 1992.980715][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1992.980715][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 1992.980715][ T1167] ipv6_find_idev+0x102/0x170 [ 1992.980715][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1992.980715][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.980715][ T1167] netlink_rcv_skb+0x130/0x360 [ 1992.980715][ T1167] netlink_unicast+0x449/0x710 [ 1992.980715][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1992.980715][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1992.980715][ T1167] ___sys_sendmsg+0xee/0x170 [ 1992.980715][ T1167] __sys_sendmsg+0xcd/0x170 [ 1992.980715][ T1167] do_syscall_64+0xc6/0x1e0 [ 1992.980715][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.980715][ T1167] [ 1992.982467][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 1992.982467][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 1992.982467][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 1992.982467][ T1167] ipv6_find_idev+0x102/0x170 [ 1992.982467][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 1992.982467][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.982467][ T1167] netlink_rcv_skb+0x130/0x360 [ 1992.982467][ T1167] netlink_unicast+0x449/0x710 [ 1992.982467][ T1167] netlink_sendmsg+0x723/0xbe0 [ 1992.982467][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 1992.982467][ T1167] ___sys_sendmsg+0xee/0x170 [ 1992.982467][ T1167] __sys_sendmsg+0xcd/0x170 [ 1992.982467][ T1167] do_syscall_64+0xc6/0x1e0 [ 1992.982467][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.982467][ T1167] [ 1997.857144][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1997.857557][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1997.857557][ T10] netdev_get_by_index+0x5e/0x80 [ 1997.857557][ T10] fib6_nh_init+0x3d8/0x1580 [ 1997.857557][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1997.857557][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1997.857557][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1997.857557][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1997.857557][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1997.857557][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1997.857557][ T10] addrconf_dad_begin+0x310/0x670 [ 1997.857557][ T10] addrconf_dad_work+0x10b/0xab0 [ 1997.857557][ T10] process_one_work+0x84d/0x18a0 [ 1997.857557][ T10] worker_thread+0x587/0xd30 [ 1997.857557][ T10] kthread+0x28a/0x350 [ 1997.857557][ T10] ret_from_fork+0x31/0x70 [ 1997.857557][ T10] ret_from_fork_asm+0x1a/0x30 [ 1997.857557][ T10] [ 1997.859556][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1997.859556][ T10] netdev_get_by_index+0x5e/0x80 [ 1997.859556][ T10] fib6_nh_init+0x3d8/0x1580 [ 1997.859556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1997.859556][ T10] ip6_route_add+0x1c/0x140 [ 1997.859556][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1997.859556][ T10] inet6_addr_add+0x4f8/0xa40 [ 1997.859556][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1997.859556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.859556][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.859556][ T10] netlink_unicast+0x449/0x710 [ 1997.859556][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.859556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.859556][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.859556][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.859556][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.859556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.859556][ T10] [ 1997.861618][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1997.861618][ T10] netdev_get_by_index+0x5e/0x80 [ 1997.861618][ T10] fib6_nh_init+0x3d8/0x1580 [ 1997.861618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1997.861618][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1997.861618][ T10] ipv6_add_addr+0x411/0x2000 [ 1997.861618][ T10] inet6_addr_add+0x30e/0xa40 [ 1997.861618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1997.861618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.861618][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.861618][ T10] netlink_unicast+0x449/0x710 [ 1997.861618][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.861618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.861618][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.861618][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.861618][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.861618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.861618][ T10] [ 1997.863716][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1997.863716][ T10] netdev_get_by_index+0x5e/0x80 [ 1997.863716][ T10] fib6_nh_init+0x3d8/0x1580 [ 1997.863716][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1997.863716][ T10] ip6_route_add+0x1c/0x140 [ 1997.863716][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1997.863716][ T10] addrconf_add_dev+0xe2/0x170 [ 1997.863716][ T10] inet6_addr_add+0x12f/0xa40 [ 1997.863716][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1997.863716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.863716][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.863716][ T10] netlink_unicast+0x449/0x710 [ 1997.863716][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.863716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.863716][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.863716][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.863716][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.863716][ T10] [ 1997.865704][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1997.865704][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1997.865704][ T10] ipv6_find_idev+0x102/0x170 [ 1997.865704][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1997.865704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.865704][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.865704][ T10] netlink_unicast+0x449/0x710 [ 1997.865704][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.865704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.865704][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.865704][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.865704][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.865704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.865704][ T10] [ 1997.867256][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 1997.867256][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1997.867256][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1997.867256][ T10] ipv6_find_idev+0x102/0x170 [ 1997.867256][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1997.867256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.867256][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.867256][ T10] netlink_unicast+0x449/0x710 [ 1997.867256][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.867256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.867256][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.867256][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.867256][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.867256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.867256][ T10] [ 1997.868978][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1997.869272][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1997.869272][ T10] netdev_get_by_index+0x5e/0x80 [ 1997.869272][ T10] fib6_nh_init+0x3d8/0x1580 [ 1997.869272][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1997.869272][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1997.869272][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1997.869272][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1997.869272][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1997.869272][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1997.869272][ T10] addrconf_dad_begin+0x310/0x670 [ 1997.869272][ T10] addrconf_dad_work+0x10b/0xab0 [ 1997.869272][ T10] process_one_work+0x84d/0x18a0 [ 1997.869272][ T10] worker_thread+0x587/0xd30 [ 1997.869272][ T10] kthread+0x28a/0x350 [ 1997.869272][ T10] ret_from_fork+0x31/0x70 [ 1997.869272][ T10] ret_from_fork_asm+0x1a/0x30 [ 1997.869272][ T10] [ 1997.872220][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1997.872220][ T10] netdev_get_by_index+0x5e/0x80 [ 1997.872220][ T10] fib6_nh_init+0x3d8/0x1580 [ 1997.872220][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1997.872220][ T10] ip6_route_add+0x1c/0x140 [ 1997.872220][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1997.872220][ T10] inet6_addr_add+0x4f8/0xa40 [ 1997.872220][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1997.872220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.872220][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.872220][ T10] netlink_unicast+0x449/0x710 [ 1997.872220][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.872220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.872220][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.872220][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.872220][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.872220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.872220][ T10] [ 1997.875456][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1997.875456][ T10] netdev_get_by_index+0x5e/0x80 [ 1997.875456][ T10] fib6_nh_init+0x3d8/0x1580 [ 1997.875456][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1997.875456][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1997.875456][ T10] ipv6_add_addr+0x411/0x2000 [ 1997.875456][ T10] inet6_addr_add+0x30e/0xa40 [ 1997.875456][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1997.875456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.875456][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.875456][ T10] netlink_unicast+0x449/0x710 [ 1997.875456][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.875456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.875456][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.875456][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.875456][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.875456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.875456][ T10] [ 1997.877599][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1997.877599][ T10] netdev_get_by_index+0x5e/0x80 [ 1997.877599][ T10] fib6_nh_init+0x3d8/0x1580 [ 1997.877599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1997.877599][ T10] ip6_route_add+0x1c/0x140 [ 1997.877599][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1997.877599][ T10] addrconf_add_dev+0xe2/0x170 [ 1997.877599][ T10] inet6_addr_add+0x12f/0xa40 [ 1997.877599][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1997.877599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.877599][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.877599][ T10] netlink_unicast+0x449/0x710 [ 1997.877599][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.877599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.877599][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.877599][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.877599][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.877599][ T10] [ 1997.879595][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1997.879595][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1997.879595][ T10] ipv6_find_idev+0x102/0x170 [ 1997.879595][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1997.879595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.879595][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.879595][ T10] netlink_unicast+0x449/0x710 [ 1997.879595][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.879595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.879595][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.879595][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.879595][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.879595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.879595][ T10] [ 1997.881176][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 1997.881176][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1997.881176][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1997.881176][ T10] ipv6_find_idev+0x102/0x170 [ 1997.881176][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1997.881176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.881176][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.881176][ T10] netlink_unicast+0x449/0x710 [ 1997.881176][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.881176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.881176][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.881176][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.881176][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.881176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.881176][ T10] [ 1997.882912][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1997.883173][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1997.883173][ T10] netdev_get_by_index+0x5e/0x80 [ 1997.883173][ T10] fib6_nh_init+0x3d8/0x1580 [ 1997.883173][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1997.883173][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1997.883173][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1997.883173][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1997.883173][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1997.883173][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1997.883173][ T10] addrconf_dad_begin+0x310/0x670 [ 1997.883173][ T10] addrconf_dad_work+0x10b/0xab0 [ 1997.883173][ T10] process_one_work+0x84d/0x18a0 [ 1997.883173][ T10] worker_thread+0x587/0xd30 [ 1997.883173][ T10] kthread+0x28a/0x350 [ 1997.883173][ T10] ret_from_fork+0x31/0x70 [ 1997.883173][ T10] ret_from_fork_asm+0x1a/0x30 [ 1997.883173][ T10] [ 1997.885128][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1997.885128][ T10] netdev_get_by_index+0x5e/0x80 [ 1997.885128][ T10] fib6_nh_init+0x3d8/0x1580 [ 1997.885128][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1997.885128][ T10] ip6_route_add+0x1c/0x140 [ 1997.885128][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1997.885128][ T10] inet6_addr_add+0x4f8/0xa40 [ 1997.885128][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1997.885128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.885128][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.885128][ T10] netlink_unicast+0x449/0x710 [ 1997.885128][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.885128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.885128][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.885128][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.885128][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.885128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.885128][ T10] [ 1997.887347][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1997.887347][ T10] netdev_get_by_index+0x5e/0x80 [ 1997.887347][ T10] fib6_nh_init+0x3d8/0x1580 [ 1997.887347][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1997.887347][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1997.887347][ T10] ipv6_add_addr+0x411/0x2000 [ 1997.887347][ T10] inet6_addr_add+0x30e/0xa40 [ 1997.887347][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1997.887347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.887347][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.887347][ T10] netlink_unicast+0x449/0x710 [ 1997.887347][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.887347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.887347][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.887347][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.887347][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.887347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.887347][ T10] [ 1997.889599][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1997.889599][ T10] netdev_get_by_index+0x5e/0x80 [ 1997.889599][ T10] fib6_nh_init+0x3d8/0x1580 [ 1997.889599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1997.889599][ T10] ip6_route_add+0x1c/0x140 [ 1997.889599][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1997.889599][ T10] addrconf_add_dev+0xe2/0x170 [ 1997.889599][ T10] inet6_addr_add+0x12f/0xa40 [ 1997.889599][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1997.889599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.889599][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.889599][ T10] netlink_unicast+0x449/0x710 [ 1997.889599][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.889599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.889599][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.889599][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.889599][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.889599][ T10] [ 1997.891813][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1997.891813][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1997.891813][ T10] ipv6_find_idev+0x102/0x170 [ 1997.891813][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1997.891813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.891813][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.891813][ T10] netlink_unicast+0x449/0x710 [ 1997.891813][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.891813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.891813][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.891813][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.891813][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.891813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.891813][ T10] [ 1997.893542][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 1997.893542][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1997.893542][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1997.893542][ T10] ipv6_find_idev+0x102/0x170 [ 1997.893542][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1997.893542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.893542][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.893542][ T10] netlink_unicast+0x449/0x710 [ 1997.893542][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.893542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.893542][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.893542][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.893542][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.893542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.893542][ T10] [ 1997.895494][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1997.895757][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1997.895757][ T10] netdev_get_by_index+0x5e/0x80 [ 1997.895757][ T10] fib6_nh_init+0x3d8/0x1580 [ 1997.895757][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1997.895757][ T10] addrconf_f6i_alloc+0x265/0x560 [ 1997.895757][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1997.895757][ T10] addrconf_join_anycast+0x1c0/0x220 [ 1997.895757][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1997.895757][ T10] addrconf_dad_completed+0x12b/0xe20 [ 1997.895757][ T10] addrconf_dad_begin+0x310/0x670 [ 1997.895757][ T10] addrconf_dad_work+0x10b/0xab0 [ 1997.895757][ T10] process_one_work+0x84d/0x18a0 [ 1997.895757][ T10] worker_thread+0x587/0xd30 [ 1997.895757][ T10] kthread+0x28a/0x350 [ 1997.895757][ T10] ret_from_fork+0x31/0x70 [ 1997.895757][ T10] ret_from_fork_asm+0x1a/0x30 [ 1997.895757][ T10] [ 1997.897933][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1997.897933][ T10] netdev_get_by_index+0x5e/0x80 [ 1997.897933][ T10] fib6_nh_init+0x3d8/0x1580 [ 1997.897933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1997.897933][ T10] ip6_route_add+0x1c/0x140 [ 1997.897933][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1997.897933][ T10] inet6_addr_add+0x4f8/0xa40 [ 1997.897933][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1997.897933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.897933][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.897933][ T10] netlink_unicast+0x449/0x710 [ 1997.897933][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.897933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.897933][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.897933][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.897933][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.897933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.897933][ T10] [ 1997.900212][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1997.900212][ T10] netdev_get_by_index+0x5e/0x80 [ 1997.900212][ T10] fib6_nh_init+0x3d8/0x1580 [ 1997.900212][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1997.900212][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1997.900212][ T10] ipv6_add_addr+0x411/0x2000 [ 1997.900212][ T10] inet6_addr_add+0x30e/0xa40 [ 1997.900212][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1997.900212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.900212][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.900212][ T10] netlink_unicast+0x449/0x710 [ 1997.900212][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.900212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.900212][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.900212][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.900212][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.900212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.900212][ T10] [ 1997.902484][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1997.902484][ T10] netdev_get_by_index+0x5e/0x80 [ 1997.902484][ T10] fib6_nh_init+0x3d8/0x1580 [ 1997.902484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1997.902484][ T10] ip6_route_add+0x1c/0x140 [ 1997.902484][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1997.902484][ T10] addrconf_add_dev+0xe2/0x170 [ 1997.902484][ T10] inet6_addr_add+0x12f/0xa40 [ 1997.902484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1997.902484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.902484][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.902484][ T10] netlink_unicast+0x449/0x710 [ 1997.902484][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.902484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.902484][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.902484][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.902484][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.902484][ T10] [ 1997.904691][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1997.904691][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1997.904691][ T10] ipv6_find_idev+0x102/0x170 [ 1997.904691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1997.904691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.904691][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.904691][ T10] netlink_unicast+0x449/0x710 [ 1997.904691][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.904691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.904691][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.904691][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.904691][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.904691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.904691][ T10] [ 1997.906420][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 1997.906420][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1997.906420][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1997.906420][ T10] ipv6_find_idev+0x102/0x170 [ 1997.906420][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1997.906420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.906420][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.906420][ T10] netlink_unicast+0x449/0x710 [ 1997.906420][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.906420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.906420][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.906420][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.906420][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.906420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.906420][ T10] [ 2003.233170][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2003.233719][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2003.233719][ T1167] dst_init+0x84/0x4a0 [ 2003.233719][ T1167] dst_alloc+0x97/0x150 [ 2003.233719][ T1167] ip6_dst_alloc+0x23/0x90 [ 2003.233719][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2003.233719][ T1167] ip6_pol_route+0x56f/0x840 [ 2003.233719][ T1167] fib6_rule_lookup+0x334/0x630 [ 2003.233719][ T1167] ip6_route_output_flags+0x259/0x480 [ 2003.233719][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2003.233719][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2003.233719][ T1167] netlink_rcv_skb+0x130/0x360 [ 2003.233719][ T1167] netlink_unicast+0x449/0x710 [ 2003.233719][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2003.233719][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2003.233719][ T1167] ___sys_sendmsg+0xee/0x170 [ 2003.233719][ T1167] __sys_sendmsg+0xcd/0x170 [ 2003.233719][ T1167] do_syscall_64+0xc6/0x1e0 [ 2003.233719][ T1167] [ 2003.235938][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2003.235938][ T1167] netdev_get_by_index+0x5e/0x80 [ 2003.235938][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2003.235938][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2003.235938][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2003.235938][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2003.235938][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2003.235938][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2003.235938][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2003.235938][ T1167] addrconf_dad_begin+0x310/0x670 [ 2003.235938][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2003.235938][ T1167] process_one_work+0x84d/0x18a0 [ 2003.235938][ T1167] worker_thread+0x587/0xd30 [ 2003.235938][ T1167] kthread+0x28a/0x350 [ 2003.235938][ T1167] ret_from_fork+0x31/0x70 [ 2003.235938][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2003.235938][ T1167] [ 2003.238101][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2003.238101][ T1167] netdev_get_by_index+0x5e/0x80 [ 2003.238101][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2003.238101][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2003.238101][ T1167] ip6_route_add+0x1c/0x140 [ 2003.238101][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2003.238101][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2003.238101][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2003.238101][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2003.238101][ T1167] netlink_rcv_skb+0x130/0x360 [ 2003.238101][ T1167] netlink_unicast+0x449/0x710 [ 2003.238101][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2003.238101][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2003.238101][ T1167] ___sys_sendmsg+0xee/0x170 [ 2003.238101][ T1167] __sys_sendmsg+0xcd/0x170 [ 2003.238101][ T1167] do_syscall_64+0xc6/0x1e0 [ 2003.238101][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2003.238101][ T1167] [ 2003.240469][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2003.240469][ T1167] netdev_get_by_index+0x5e/0x80 [ 2003.240469][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2003.240469][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2003.240469][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2003.240469][ T1167] ipv6_add_addr+0x411/0x2000 [ 2003.240469][ T1167] inet6_addr_add+0x30e/0xa40 [ 2003.240469][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2003.240469][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2003.240469][ T1167] netlink_rcv_skb+0x130/0x360 [ 2003.240469][ T1167] netlink_unicast+0x449/0x710 [ 2003.240469][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2003.240469][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2003.240469][ T1167] ___sys_sendmsg+0xee/0x170 [ 2003.240469][ T1167] __sys_sendmsg+0xcd/0x170 [ 2003.240469][ T1167] do_syscall_64+0xc6/0x1e0 [ 2003.240469][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2003.240469][ T1167] [ 2003.242742][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2003.242742][ T1167] netdev_get_by_index+0x5e/0x80 [ 2003.242742][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2003.242742][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2003.242742][ T1167] ip6_route_add+0x1c/0x140 [ 2003.242742][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2003.242742][ T1167] addrconf_add_dev+0xe2/0x170 [ 2003.242742][ T1167] inet6_addr_add+0x12f/0xa40 [ 2003.242742][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2003.242742][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2003.242742][ T1167] netlink_rcv_skb+0x130/0x360 [ 2003.242742][ T1167] netlink_unicast+0x449/0x710 [ 2003.242742][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2003.242742][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2003.242742][ T1167] ___sys_sendmsg+0xee/0x170 [ 2003.242742][ T1167] __sys_sendmsg+0xcd/0x170 [ 2003.242742][ T1167] do_syscall_64+0xc6/0x1e0 [ 2003.242742][ T1167] [ 2003.244965][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2003.244965][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2003.244965][ T1167] ipv6_find_idev+0x102/0x170 [ 2003.244965][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2003.244965][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2003.244965][ T1167] netlink_rcv_skb+0x130/0x360 [ 2003.244965][ T1167] netlink_unicast+0x449/0x710 [ 2003.244965][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2003.244965][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2003.244965][ T1167] ___sys_sendmsg+0xee/0x170 [ 2003.244965][ T1167] __sys_sendmsg+0xcd/0x170 [ 2003.244965][ T1167] do_syscall_64+0xc6/0x1e0 [ 2003.244965][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2003.244965][ T1167] [ 2003.246745][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2003.246745][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2003.246745][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2003.246745][ T1167] ipv6_find_idev+0x102/0x170 [ 2003.246745][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2003.246745][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2003.246745][ T1167] netlink_rcv_skb+0x130/0x360 [ 2003.246745][ T1167] netlink_unicast+0x449/0x710 [ 2003.246745][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2003.246745][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2003.246745][ T1167] ___sys_sendmsg+0xee/0x170 [ 2003.246745][ T1167] __sys_sendmsg+0xcd/0x170 [ 2003.246745][ T1167] do_syscall_64+0xc6/0x1e0 [ 2003.246745][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2003.246745][ T1167] [ 2008.145143][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2008.145539][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2008.145539][ T10] netdev_get_by_index+0x5e/0x80 [ 2008.145539][ T10] fib6_nh_init+0x3d8/0x1580 [ 2008.145539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2008.145539][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2008.145539][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2008.145539][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2008.145539][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2008.145539][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2008.145539][ T10] addrconf_dad_begin+0x310/0x670 [ 2008.145539][ T10] addrconf_dad_work+0x10b/0xab0 [ 2008.145539][ T10] process_one_work+0x84d/0x18a0 [ 2008.145539][ T10] worker_thread+0x587/0xd30 [ 2008.145539][ T10] kthread+0x28a/0x350 [ 2008.145539][ T10] ret_from_fork+0x31/0x70 [ 2008.145539][ T10] ret_from_fork_asm+0x1a/0x30 [ 2008.145539][ T10] [ 2008.147560][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2008.147560][ T10] netdev_get_by_index+0x5e/0x80 [ 2008.147560][ T10] fib6_nh_init+0x3d8/0x1580 [ 2008.147560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2008.147560][ T10] ip6_route_add+0x1c/0x140 [ 2008.147560][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2008.147560][ T10] inet6_addr_add+0x4f8/0xa40 [ 2008.147560][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2008.147560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2008.147560][ T10] netlink_rcv_skb+0x130/0x360 [ 2008.147560][ T10] netlink_unicast+0x449/0x710 [ 2008.147560][ T10] netlink_sendmsg+0x723/0xbe0 [ 2008.147560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2008.147560][ T10] ___sys_sendmsg+0xee/0x170 [ 2008.147560][ T10] __sys_sendmsg+0xcd/0x170 [ 2008.147560][ T10] do_syscall_64+0xc6/0x1e0 [ 2008.147560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2008.147560][ T10] [ 2008.149641][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2008.149641][ T10] netdev_get_by_index+0x5e/0x80 [ 2008.149641][ T10] fib6_nh_init+0x3d8/0x1580 [ 2008.149641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2008.149641][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2008.149641][ T10] ipv6_add_addr+0x411/0x2000 [ 2008.149641][ T10] inet6_addr_add+0x30e/0xa40 [ 2008.149641][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2008.149641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2008.149641][ T10] netlink_rcv_skb+0x130/0x360 [ 2008.149641][ T10] netlink_unicast+0x449/0x710 [ 2008.149641][ T10] netlink_sendmsg+0x723/0xbe0 [ 2008.149641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2008.149641][ T10] ___sys_sendmsg+0xee/0x170 [ 2008.149641][ T10] __sys_sendmsg+0xcd/0x170 [ 2008.149641][ T10] do_syscall_64+0xc6/0x1e0 [ 2008.149641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2008.149641][ T10] [ 2008.151697][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2008.151697][ T10] netdev_get_by_index+0x5e/0x80 [ 2008.151697][ T10] fib6_nh_init+0x3d8/0x1580 [ 2008.151697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2008.151697][ T10] ip6_route_add+0x1c/0x140 [ 2008.151697][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2008.151697][ T10] addrconf_add_dev+0xe2/0x170 [ 2008.151697][ T10] inet6_addr_add+0x12f/0xa40 [ 2008.151697][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2008.151697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2008.151697][ T10] netlink_rcv_skb+0x130/0x360 [ 2008.151697][ T10] netlink_unicast+0x449/0x710 [ 2008.151697][ T10] netlink_sendmsg+0x723/0xbe0 [ 2008.151697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2008.151697][ T10] ___sys_sendmsg+0xee/0x170 [ 2008.151697][ T10] __sys_sendmsg+0xcd/0x170 [ 2008.151697][ T10] do_syscall_64+0xc6/0x1e0 [ 2008.151697][ T10] [ 2008.153692][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2008.153692][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2008.153692][ T10] ipv6_find_idev+0x102/0x170 [ 2008.153692][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2008.153692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2008.153692][ T10] netlink_rcv_skb+0x130/0x360 [ 2008.153692][ T10] netlink_unicast+0x449/0x710 [ 2008.153692][ T10] netlink_sendmsg+0x723/0xbe0 [ 2008.153692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2008.153692][ T10] ___sys_sendmsg+0xee/0x170 [ 2008.153692][ T10] __sys_sendmsg+0xcd/0x170 [ 2008.153692][ T10] do_syscall_64+0xc6/0x1e0 [ 2008.153692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2008.153692][ T10] [ 2008.155248][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2008.155248][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2008.155248][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2008.155248][ T10] ipv6_find_idev+0x102/0x170 [ 2008.155248][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2008.155248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2008.155248][ T10] netlink_rcv_skb+0x130/0x360 [ 2008.155248][ T10] netlink_unicast+0x449/0x710 [ 2008.155248][ T10] netlink_sendmsg+0x723/0xbe0 [ 2008.155248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2008.155248][ T10] ___sys_sendmsg+0xee/0x170 [ 2008.155248][ T10] __sys_sendmsg+0xcd/0x170 [ 2008.155248][ T10] do_syscall_64+0xc6/0x1e0 [ 2008.155248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2008.155248][ T10] [ 2008.156967][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2008.157234][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2008.157234][ T10] netdev_get_by_index+0x5e/0x80 [ 2008.157234][ T10] fib6_nh_init+0x3d8/0x1580 [ 2008.157234][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2008.157234][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2008.157234][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2008.157234][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2008.157234][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2008.157234][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2008.157234][ T10] addrconf_dad_begin+0x310/0x670 [ 2008.157234][ T10] addrconf_dad_work+0x10b/0xab0 [ 2008.157234][ T10] process_one_work+0x84d/0x18a0 [ 2008.157234][ T10] worker_thread+0x587/0xd30 [ 2008.157234][ T10] kthread+0x28a/0x350 [ 2008.157234][ T10] ret_from_fork+0x31/0x70 [ 2008.157234][ T10] ret_from_fork_asm+0x1a/0x30 [ 2008.157234][ T10] [ 2008.159160][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2008.159160][ T10] netdev_get_by_index+0x5e/0x80 [ 2008.159160][ T10] fib6_nh_init+0x3d8/0x1580 [ 2008.159160][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2008.159160][ T10] ip6_route_add+0x1c/0x140 [ 2008.159160][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2008.159160][ T10] inet6_addr_add+0x4f8/0xa40 [ 2008.159160][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2008.159160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2008.159160][ T10] netlink_rcv_skb+0x130/0x360 [ 2008.159160][ T10] netlink_unicast+0x449/0x710 [ 2008.159160][ T10] netlink_sendmsg+0x723/0xbe0 [ 2008.159160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2008.159160][ T10] ___sys_sendmsg+0xee/0x170 [ 2008.159160][ T10] __sys_sendmsg+0xcd/0x170 [ 2008.159160][ T10] do_syscall_64+0xc6/0x1e0 [ 2008.159160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2008.159160][ T10] [ 2008.161171][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2008.161171][ T10] netdev_get_by_index+0x5e/0x80 [ 2008.161171][ T10] fib6_nh_init+0x3d8/0x1580 [ 2008.161171][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2008.161171][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2008.161171][ T10] ipv6_add_addr+0x411/0x2000 [ 2008.161171][ T10] inet6_addr_add+0x30e/0xa40 [ 2008.161171][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2008.161171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2008.161171][ T10] netlink_rcv_skb+0x130/0x360 [ 2008.161171][ T10] netlink_unicast+0x449/0x710 [ 2008.161171][ T10] netlink_sendmsg+0x723/0xbe0 [ 2008.161171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2008.161171][ T10] ___sys_sendmsg+0xee/0x170 [ 2008.161171][ T10] __sys_sendmsg+0xcd/0x170 [ 2008.161171][ T10] do_syscall_64+0xc6/0x1e0 [ 2008.161171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2008.161171][ T10] [ 2008.163210][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2008.163210][ T10] netdev_get_by_index+0x5e/0x80 [ 2008.163210][ T10] fib6_nh_init+0x3d8/0x1580 [ 2008.163210][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2008.163210][ T10] ip6_route_add+0x1c/0x140 [ 2008.163210][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2008.163210][ T10] addrconf_add_dev+0xe2/0x170 [ 2008.163210][ T10] inet6_addr_add+0x12f/0xa40 [ 2008.163210][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2008.163210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2008.163210][ T10] netlink_rcv_skb+0x130/0x360 [ 2008.163210][ T10] netlink_unicast+0x449/0x710 [ 2008.163210][ T10] netlink_sendmsg+0x723/0xbe0 [ 2008.163210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2008.163210][ T10] ___sys_sendmsg+0xee/0x170 [ 2008.163210][ T10] __sys_sendmsg+0xcd/0x170 [ 2008.163210][ T10] do_syscall_64+0xc6/0x1e0 [ 2008.163210][ T10] [ 2008.165231][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2008.165231][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2008.165231][ T10] ipv6_find_idev+0x102/0x170 [ 2008.165231][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2008.165231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2008.165231][ T10] netlink_rcv_skb+0x130/0x360 [ 2008.165231][ T10] netlink_unicast+0x449/0x710 [ 2008.165231][ T10] netlink_sendmsg+0x723/0xbe0 [ 2008.165231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2008.165231][ T10] ___sys_sendmsg+0xee/0x170 [ 2008.165231][ T10] __sys_sendmsg+0xcd/0x170 [ 2008.165231][ T10] do_syscall_64+0xc6/0x1e0 [ 2008.165231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2008.165231][ T10] [ 2008.166806][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2008.166806][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2008.166806][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2008.166806][ T10] ipv6_find_idev+0x102/0x170 [ 2008.166806][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2008.166806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2008.166806][ T10] netlink_rcv_skb+0x130/0x360 [ 2008.166806][ T10] netlink_unicast+0x449/0x710 [ 2008.166806][ T10] netlink_sendmsg+0x723/0xbe0 [ 2008.166806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2008.166806][ T10] ___sys_sendmsg+0xee/0x170 [ 2008.166806][ T10] __sys_sendmsg+0xcd/0x170 [ 2008.166806][ T10] do_syscall_64+0xc6/0x1e0 [ 2008.166806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2008.166806][ T10] [ 2008.168539][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2008.168814][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2008.168814][ T10] netdev_get_by_index+0x5e/0x80 [ 2008.168814][ T10] fib6_nh_init+0x3d8/0x1580 [ 2008.168814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2008.168814][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2008.168814][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2008.168814][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2008.168814][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2008.168814][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2008.168814][ T10] addrconf_dad_begin+0x310/0x670 [ 2008.168814][ T10] addrconf_dad_work+0x10b/0xab0 [ 2008.168814][ T10] process_one_work+0x84d/0x18a0 [ 2008.168814][ T10] worker_thread+0x587/0xd30 [ 2008.168814][ T10] kthread+0x28a/0x350 [ 2008.168814][ T10] ret_from_fork+0x31/0x70 [ 2008.168814][ T10] ret_from_fork_asm+0x1a/0x30 [ 2008.168814][ T10] [ 2008.170799][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2008.170799][ T10] netdev_get_by_index+0x5e/0x80 [ 2008.170799][ T10] fib6_nh_init+0x3d8/0x1580 [ 2008.170799][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2008.170799][ T10] ip6_route_add+0x1c/0x140 [ 2008.170799][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2008.170799][ T10] inet6_addr_add+0x4f8/0xa40 [ 2008.170799][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2008.170799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2008.170799][ T10] netlink_rcv_skb+0x130/0x360 [ 2008.170799][ T10] netlink_unicast+0x449/0x710 [ 2008.170799][ T10] netlink_sendmsg+0x723/0xbe0 [ 2008.170799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2008.170799][ T10] ___sys_sendmsg+0xee/0x170 [ 2008.170799][ T10] __sys_sendmsg+0xcd/0x170 [ 2008.170799][ T10] do_syscall_64+0xc6/0x1e0 [ 2008.170799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2008.170799][ T10] [ 2008.173023][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2008.173023][ T10] netdev_get_by_index+0x5e/0x80 [ 2008.173023][ T10] fib6_nh_init+0x3d8/0x1580 [ 2008.173023][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2008.173023][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2008.173023][ T10] ipv6_add_addr+0x411/0x2000 [ 2008.173023][ T10] inet6_addr_add+0x30e/0xa40 [ 2008.173023][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2008.173023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2008.173023][ T10] netlink_rcv_skb+0x130/0x360 [ 2008.173023][ T10] netlink_unicast+0x449/0x710 [ 2008.173023][ T10] netlink_sendmsg+0x723/0xbe0 [ 2008.173023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2008.173023][ T10] ___sys_sendmsg+0xee/0x170 [ 2008.173023][ T10] __sys_sendmsg+0xcd/0x170 [ 2008.173023][ T10] do_syscall_64+0xc6/0x1e0 [ 2008.173023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2008.173023][ T10] [ 2008.175824][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2008.175824][ T10] netdev_get_by_index+0x5e/0x80 [ 2008.175824][ T10] fib6_nh_init+0x3d8/0x1580 [ 2008.175824][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2008.175824][ T10] ip6_route_add+0x1c/0x140 [ 2008.175824][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2008.175824][ T10] addrconf_add_dev+0xe2/0x170 [ 2008.175824][ T10] inet6_addr_add+0x12f/0xa40 [ 2008.175824][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2008.175824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2008.175824][ T10] netlink_rcv_skb+0x130/0x360 [ 2008.175824][ T10] netlink_unicast+0x449/0x710 [ 2008.175824][ T10] netlink_sendmsg+0x723/0xbe0 [ 2008.175824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2008.175824][ T10] ___sys_sendmsg+0xee/0x170 [ 2008.175824][ T10] __sys_sendmsg+0xcd/0x170 [ 2008.175824][ T10] do_syscall_64+0xc6/0x1e0 [ 2008.175824][ T10] [ 2008.178044][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2008.178044][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2008.178044][ T10] ipv6_find_idev+0x102/0x170 [ 2008.178044][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2008.178044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2008.178044][ T10] netlink_rcv_skb+0x130/0x360 [ 2008.178044][ T10] netlink_unicast+0x449/0x710 [ 2008.178044][ T10] netlink_sendmsg+0x723/0xbe0 [ 2008.178044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2008.178044][ T10] ___sys_sendmsg+0xee/0x170 [ 2008.178044][ T10] __sys_sendmsg+0xcd/0x170 [ 2008.178044][ T10] do_syscall_64+0xc6/0x1e0 [ 2008.178044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2008.178044][ T10] [ 2008.179845][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2008.179845][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2008.179845][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2008.179845][ T10] ipv6_find_idev+0x102/0x170 [ 2008.179845][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2008.179845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2008.179845][ T10] netlink_rcv_skb+0x130/0x360 [ 2008.179845][ T10] netlink_unicast+0x449/0x710 [ 2008.179845][ T10] netlink_sendmsg+0x723/0xbe0 [ 2008.179845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2008.179845][ T10] ___sys_sendmsg+0xee/0x170 [ 2008.179845][ T10] __sys_sendmsg+0xcd/0x170 [ 2008.179845][ T10] do_syscall_64+0xc6/0x1e0 [ 2008.179845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2008.179845][ T10] [ 2008.181756][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2008.182003][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2008.182003][ T10] netdev_get_by_index+0x5e/0x80 [ 2008.182003][ T10] fib6_nh_init+0x3d8/0x1580 [ 2008.182003][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2008.182003][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2008.182003][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2008.182003][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2008.182003][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2008.182003][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2008.182003][ T10] addrconf_dad_begin+0x310/0x670 [ 2008.182003][ T10] addrconf_dad_work+0x10b/0xab0 [ 2008.182003][ T10] process_one_work+0x84d/0x18a0 [ 2008.182003][ T10] worker_thread+0x587/0xd30 [ 2008.182003][ T10] kthread+0x28a/0x350 [ 2008.182003][ T10] ret_from_fork+0x31/0x70 [ 2008.182003][ T10] ret_from_fork_asm+0x1a/0x30 [ 2008.182003][ T10] [ 2008.184201][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2008.184201][ T10] netdev_get_by_index+0x5e/0x80 [ 2008.184201][ T10] fib6_nh_init+0x3d8/0x1580 [ 2008.184201][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2008.184201][ T10] ip6_route_add+0x1c/0x140 [ 2008.184201][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2008.184201][ T10] inet6_addr_add+0x4f8/0xa40 [ 2008.184201][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2008.184201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2008.184201][ T10] netlink_rcv_skb+0x130/0x360 [ 2008.184201][ T10] netlink_unicast+0x449/0x710 [ 2008.184201][ T10] netlink_sendmsg+0x723/0xbe0 [ 2008.184201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2008.184201][ T10] ___sys_sendmsg+0xee/0x170 [ 2008.184201][ T10] __sys_sendmsg+0xcd/0x170 [ 2008.184201][ T10] do_syscall_64+0xc6/0x1e0 [ 2008.184201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2008.184201][ T10] [ 2008.186490][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2008.186490][ T10] netdev_get_by_index+0x5e/0x80 [ 2008.186490][ T10] fib6_nh_init+0x3d8/0x1580 [ 2008.186490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2008.186490][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2008.186490][ T10] ipv6_add_addr+0x411/0x2000 [ 2008.186490][ T10] inet6_addr_add+0x30e/0xa40 [ 2008.186490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2008.186490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2008.186490][ T10] netlink_rcv_skb+0x130/0x360 [ 2008.186490][ T10] netlink_unicast+0x449/0x710 [ 2008.186490][ T10] netlink_sendmsg+0x723/0xbe0 [ 2008.186490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2008.186490][ T10] ___sys_sendmsg+0xee/0x170 [ 2008.186490][ T10] __sys_sendmsg+0xcd/0x170 [ 2008.186490][ T10] do_syscall_64+0xc6/0x1e0 [ 2008.186490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2008.186490][ T10] [ 2008.188874][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2008.188874][ T10] netdev_get_by_index+0x5e/0x80 [ 2008.188874][ T10] fib6_nh_init+0x3d8/0x1580 [ 2008.188874][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2008.188874][ T10] ip6_route_add+0x1c/0x140 [ 2008.188874][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2008.188874][ T10] addrconf_add_dev+0xe2/0x170 [ 2008.188874][ T10] inet6_addr_add+0x12f/0xa40 [ 2008.188874][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2008.188874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2008.188874][ T10] netlink_rcv_skb+0x130/0x360 [ 2008.188874][ T10] netlink_unicast+0x449/0x710 [ 2008.188874][ T10] netlink_sendmsg+0x723/0xbe0 [ 2008.188874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2008.188874][ T10] ___sys_sendmsg+0xee/0x170 [ 2008.188874][ T10] __sys_sendmsg+0xcd/0x170 [ 2008.188874][ T10] do_syscall_64+0xc6/0x1e0 [ 2008.188874][ T10] [ 2008.191058][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2008.191058][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2008.191058][ T10] ipv6_find_idev+0x102/0x170 [ 2008.191058][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2008.191058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2008.191058][ T10] netlink_rcv_skb+0x130/0x360 [ 2008.191058][ T10] netlink_unicast+0x449/0x710 [ 2008.191058][ T10] netlink_sendmsg+0x723/0xbe0 [ 2008.191058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2008.191058][ T10] ___sys_sendmsg+0xee/0x170 [ 2008.191058][ T10] __sys_sendmsg+0xcd/0x170 [ 2008.191058][ T10] do_syscall_64+0xc6/0x1e0 [ 2008.191058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2008.191058][ T10] [ 2008.192821][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2008.192821][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2008.192821][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2008.192821][ T10] ipv6_find_idev+0x102/0x170 [ 2008.192821][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2008.192821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2008.192821][ T10] netlink_rcv_skb+0x130/0x360 [ 2008.192821][ T10] netlink_unicast+0x449/0x710 [ 2008.192821][ T10] netlink_sendmsg+0x723/0xbe0 [ 2008.192821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2008.192821][ T10] ___sys_sendmsg+0xee/0x170 [ 2008.192821][ T10] __sys_sendmsg+0xcd/0x170 [ 2008.192821][ T10] do_syscall_64+0xc6/0x1e0 [ 2008.192821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2008.192821][ T10] [ 2013.497178][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2013.497646][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2013.497646][ T1167] dst_init+0x84/0x4a0 [ 2013.497646][ T1167] dst_alloc+0x97/0x150 [ 2013.497646][ T1167] ip6_dst_alloc+0x23/0x90 [ 2013.497646][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2013.497646][ T1167] ip6_pol_route+0x56f/0x840 [ 2013.497646][ T1167] fib6_rule_lookup+0x334/0x630 [ 2013.497646][ T1167] ip6_route_output_flags+0x259/0x480 [ 2013.497646][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2013.497646][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2013.497646][ T1167] netlink_rcv_skb+0x130/0x360 [ 2013.497646][ T1167] netlink_unicast+0x449/0x710 [ 2013.497646][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2013.497646][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2013.497646][ T1167] ___sys_sendmsg+0xee/0x170 [ 2013.497646][ T1167] __sys_sendmsg+0xcd/0x170 [ 2013.497646][ T1167] do_syscall_64+0xc6/0x1e0 [ 2013.497646][ T1167] [ 2013.499900][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2013.499900][ T1167] netdev_get_by_index+0x5e/0x80 [ 2013.499900][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2013.499900][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2013.499900][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2013.499900][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2013.499900][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2013.499900][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2013.499900][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2013.499900][ T1167] addrconf_dad_begin+0x310/0x670 [ 2013.499900][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2013.499900][ T1167] process_one_work+0x84d/0x18a0 [ 2013.499900][ T1167] worker_thread+0x587/0xd30 [ 2013.499900][ T1167] kthread+0x28a/0x350 [ 2013.499900][ T1167] ret_from_fork+0x31/0x70 [ 2013.499900][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2013.499900][ T1167] [ 2013.502088][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2013.502088][ T1167] netdev_get_by_index+0x5e/0x80 [ 2013.502088][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2013.502088][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2013.502088][ T1167] ip6_route_add+0x1c/0x140 [ 2013.502088][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2013.502088][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2013.502088][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2013.502088][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2013.502088][ T1167] netlink_rcv_skb+0x130/0x360 [ 2013.502088][ T1167] netlink_unicast+0x449/0x710 [ 2013.502088][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2013.502088][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2013.502088][ T1167] ___sys_sendmsg+0xee/0x170 [ 2013.502088][ T1167] __sys_sendmsg+0xcd/0x170 [ 2013.502088][ T1167] do_syscall_64+0xc6/0x1e0 [ 2013.502088][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2013.502088][ T1167] [ 2013.504362][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2013.504362][ T1167] netdev_get_by_index+0x5e/0x80 [ 2013.504362][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2013.504362][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2013.504362][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2013.504362][ T1167] ipv6_add_addr+0x411/0x2000 [ 2013.504362][ T1167] inet6_addr_add+0x30e/0xa40 [ 2013.504362][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2013.504362][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2013.504362][ T1167] netlink_rcv_skb+0x130/0x360 [ 2013.504362][ T1167] netlink_unicast+0x449/0x710 [ 2013.504362][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2013.504362][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2013.504362][ T1167] ___sys_sendmsg+0xee/0x170 [ 2013.504362][ T1167] __sys_sendmsg+0xcd/0x170 [ 2013.504362][ T1167] do_syscall_64+0xc6/0x1e0 [ 2013.504362][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2013.504362][ T1167] [ 2013.506651][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2013.506651][ T1167] netdev_get_by_index+0x5e/0x80 [ 2013.506651][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2013.506651][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2013.506651][ T1167] ip6_route_add+0x1c/0x140 [ 2013.506651][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2013.506651][ T1167] addrconf_add_dev+0xe2/0x170 [ 2013.506651][ T1167] inet6_addr_add+0x12f/0xa40 [ 2013.506651][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2013.506651][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2013.506651][ T1167] netlink_rcv_skb+0x130/0x360 [ 2013.506651][ T1167] netlink_unicast+0x449/0x710 [ 2013.506651][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2013.506651][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2013.506651][ T1167] ___sys_sendmsg+0xee/0x170 [ 2013.506651][ T1167] __sys_sendmsg+0xcd/0x170 [ 2013.506651][ T1167] do_syscall_64+0xc6/0x1e0 [ 2013.506651][ T1167] [ 2013.508887][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2013.508887][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2013.508887][ T1167] ipv6_find_idev+0x102/0x170 [ 2013.508887][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2013.508887][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2013.508887][ T1167] netlink_rcv_skb+0x130/0x360 [ 2013.508887][ T1167] netlink_unicast+0x449/0x710 [ 2013.508887][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2013.508887][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2013.508887][ T1167] ___sys_sendmsg+0xee/0x170 [ 2013.508887][ T1167] __sys_sendmsg+0xcd/0x170 [ 2013.508887][ T1167] do_syscall_64+0xc6/0x1e0 [ 2013.508887][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2013.508887][ T1167] [ 2013.510613][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2013.510613][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2013.510613][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2013.510613][ T1167] ipv6_find_idev+0x102/0x170 [ 2013.510613][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2013.510613][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2013.510613][ T1167] netlink_rcv_skb+0x130/0x360 [ 2013.510613][ T1167] netlink_unicast+0x449/0x710 [ 2013.510613][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2013.510613][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2013.510613][ T1167] ___sys_sendmsg+0xee/0x170 [ 2013.510613][ T1167] __sys_sendmsg+0xcd/0x170 [ 2013.510613][ T1167] do_syscall_64+0xc6/0x1e0 [ 2013.510613][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2013.510613][ T1167] [ 2018.433102][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2018.433511][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2018.433511][ T10] netdev_get_by_index+0x5e/0x80 [ 2018.433511][ T10] fib6_nh_init+0x3d8/0x1580 [ 2018.433511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2018.433511][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2018.433511][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2018.433511][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2018.433511][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2018.433511][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2018.433511][ T10] addrconf_dad_begin+0x310/0x670 [ 2018.433511][ T10] addrconf_dad_work+0x10b/0xab0 [ 2018.433511][ T10] process_one_work+0x84d/0x18a0 [ 2018.433511][ T10] worker_thread+0x587/0xd30 [ 2018.433511][ T10] kthread+0x28a/0x350 [ 2018.433511][ T10] ret_from_fork+0x31/0x70 [ 2018.433511][ T10] ret_from_fork_asm+0x1a/0x30 [ 2018.433511][ T10] [ 2018.435509][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2018.435509][ T10] netdev_get_by_index+0x5e/0x80 [ 2018.435509][ T10] fib6_nh_init+0x3d8/0x1580 [ 2018.435509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2018.435509][ T10] ip6_route_add+0x1c/0x140 [ 2018.435509][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2018.435509][ T10] inet6_addr_add+0x4f8/0xa40 [ 2018.435509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2018.435509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2018.435509][ T10] netlink_rcv_skb+0x130/0x360 [ 2018.435509][ T10] netlink_unicast+0x449/0x710 [ 2018.435509][ T10] netlink_sendmsg+0x723/0xbe0 [ 2018.435509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2018.435509][ T10] ___sys_sendmsg+0xee/0x170 [ 2018.435509][ T10] __sys_sendmsg+0xcd/0x170 [ 2018.435509][ T10] do_syscall_64+0xc6/0x1e0 [ 2018.435509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2018.435509][ T10] [ 2018.437590][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2018.437590][ T10] netdev_get_by_index+0x5e/0x80 [ 2018.437590][ T10] fib6_nh_init+0x3d8/0x1580 [ 2018.437590][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2018.437590][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2018.437590][ T10] ipv6_add_addr+0x411/0x2000 [ 2018.437590][ T10] inet6_addr_add+0x30e/0xa40 [ 2018.437590][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2018.437590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2018.437590][ T10] netlink_rcv_skb+0x130/0x360 [ 2018.437590][ T10] netlink_unicast+0x449/0x710 [ 2018.437590][ T10] netlink_sendmsg+0x723/0xbe0 [ 2018.437590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2018.437590][ T10] ___sys_sendmsg+0xee/0x170 [ 2018.437590][ T10] __sys_sendmsg+0xcd/0x170 [ 2018.437590][ T10] do_syscall_64+0xc6/0x1e0 [ 2018.437590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2018.437590][ T10] [ 2018.439662][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2018.439662][ T10] netdev_get_by_index+0x5e/0x80 [ 2018.439662][ T10] fib6_nh_init+0x3d8/0x1580 [ 2018.439662][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2018.439662][ T10] ip6_route_add+0x1c/0x140 [ 2018.439662][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2018.439662][ T10] addrconf_add_dev+0xe2/0x170 [ 2018.439662][ T10] inet6_addr_add+0x12f/0xa40 [ 2018.439662][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2018.439662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2018.439662][ T10] netlink_rcv_skb+0x130/0x360 [ 2018.439662][ T10] netlink_unicast+0x449/0x710 [ 2018.439662][ T10] netlink_sendmsg+0x723/0xbe0 [ 2018.439662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2018.439662][ T10] ___sys_sendmsg+0xee/0x170 [ 2018.439662][ T10] __sys_sendmsg+0xcd/0x170 [ 2018.439662][ T10] do_syscall_64+0xc6/0x1e0 [ 2018.439662][ T10] [ 2018.441687][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2018.441687][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2018.441687][ T10] ipv6_find_idev+0x102/0x170 [ 2018.441687][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2018.441687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2018.441687][ T10] netlink_rcv_skb+0x130/0x360 [ 2018.441687][ T10] netlink_unicast+0x449/0x710 [ 2018.441687][ T10] netlink_sendmsg+0x723/0xbe0 [ 2018.441687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2018.441687][ T10] ___sys_sendmsg+0xee/0x170 [ 2018.441687][ T10] __sys_sendmsg+0xcd/0x170 [ 2018.441687][ T10] do_syscall_64+0xc6/0x1e0 [ 2018.441687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2018.441687][ T10] [ 2018.443240][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2018.443240][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2018.443240][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2018.443240][ T10] ipv6_find_idev+0x102/0x170 [ 2018.443240][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2018.443240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2018.443240][ T10] netlink_rcv_skb+0x130/0x360 [ 2018.443240][ T10] netlink_unicast+0x449/0x710 [ 2018.443240][ T10] netlink_sendmsg+0x723/0xbe0 [ 2018.443240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2018.443240][ T10] ___sys_sendmsg+0xee/0x170 [ 2018.443240][ T10] __sys_sendmsg+0xcd/0x170 [ 2018.443240][ T10] do_syscall_64+0xc6/0x1e0 [ 2018.443240][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2018.443240][ T10] [ 2018.444984][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2018.445252][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2018.445252][ T10] netdev_get_by_index+0x5e/0x80 [ 2018.445252][ T10] fib6_nh_init+0x3d8/0x1580 [ 2018.445252][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2018.445252][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2018.445252][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2018.445252][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2018.445252][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2018.445252][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2018.445252][ T10] addrconf_dad_begin+0x310/0x670 [ 2018.445252][ T10] addrconf_dad_work+0x10b/0xab0 [ 2018.445252][ T10] process_one_work+0x84d/0x18a0 [ 2018.445252][ T10] worker_thread+0x587/0xd30 [ 2018.445252][ T10] kthread+0x28a/0x350 [ 2018.445252][ T10] ret_from_fork+0x31/0x70 [ 2018.445252][ T10] ret_from_fork_asm+0x1a/0x30 [ 2018.445252][ T10] [ 2018.447237][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2018.447237][ T10] netdev_get_by_index+0x5e/0x80 [ 2018.447237][ T10] fib6_nh_init+0x3d8/0x1580 [ 2018.447237][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2018.447237][ T10] ip6_route_add+0x1c/0x140 [ 2018.447237][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2018.447237][ T10] inet6_addr_add+0x4f8/0xa40 [ 2018.447237][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2018.447237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2018.447237][ T10] netlink_rcv_skb+0x130/0x360 [ 2018.447237][ T10] netlink_unicast+0x449/0x710 [ 2018.447237][ T10] netlink_sendmsg+0x723/0xbe0 [ 2018.447237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2018.447237][ T10] ___sys_sendmsg+0xee/0x170 [ 2018.447237][ T10] __sys_sendmsg+0xcd/0x170 [ 2018.447237][ T10] do_syscall_64+0xc6/0x1e0 [ 2018.447237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2018.447237][ T10] [ 2018.449300][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2018.449300][ T10] netdev_get_by_index+0x5e/0x80 [ 2018.449300][ T10] fib6_nh_init+0x3d8/0x1580 [ 2018.449300][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2018.449300][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2018.449300][ T10] ipv6_add_addr+0x411/0x2000 [ 2018.449300][ T10] inet6_addr_add+0x30e/0xa40 [ 2018.449300][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2018.449300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2018.449300][ T10] netlink_rcv_skb+0x130/0x360 [ 2018.449300][ T10] netlink_unicast+0x449/0x710 [ 2018.449300][ T10] netlink_sendmsg+0x723/0xbe0 [ 2018.449300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2018.449300][ T10] ___sys_sendmsg+0xee/0x170 [ 2018.449300][ T10] __sys_sendmsg+0xcd/0x170 [ 2018.449300][ T10] do_syscall_64+0xc6/0x1e0 [ 2018.449300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2018.449300][ T10] [ 2018.451330][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2018.451330][ T10] netdev_get_by_index+0x5e/0x80 [ 2018.451330][ T10] fib6_nh_init+0x3d8/0x1580 [ 2018.451330][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2018.451330][ T10] ip6_route_add+0x1c/0x140 [ 2018.451330][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2018.451330][ T10] addrconf_add_dev+0xe2/0x170 [ 2018.451330][ T10] inet6_addr_add+0x12f/0xa40 [ 2018.451330][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2018.451330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2018.451330][ T10] netlink_rcv_skb+0x130/0x360 [ 2018.451330][ T10] netlink_unicast+0x449/0x710 [ 2018.451330][ T10] netlink_sendmsg+0x723/0xbe0 [ 2018.451330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2018.451330][ T10] ___sys_sendmsg+0xee/0x170 [ 2018.451330][ T10] __sys_sendmsg+0xcd/0x170 [ 2018.451330][ T10] do_syscall_64+0xc6/0x1e0 [ 2018.451330][ T10] [ 2018.453318][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2018.453318][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2018.453318][ T10] ipv6_find_idev+0x102/0x170 [ 2018.453318][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2018.453318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2018.453318][ T10] netlink_rcv_skb+0x130/0x360 [ 2018.453318][ T10] netlink_unicast+0x449/0x710 [ 2018.453318][ T10] netlink_sendmsg+0x723/0xbe0 [ 2018.453318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2018.453318][ T10] ___sys_sendmsg+0xee/0x170 [ 2018.453318][ T10] __sys_sendmsg+0xcd/0x170 [ 2018.453318][ T10] do_syscall_64+0xc6/0x1e0 [ 2018.453318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2018.453318][ T10] [ 2018.454910][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2018.454910][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2018.454910][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2018.454910][ T10] ipv6_find_idev+0x102/0x170 [ 2018.454910][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2018.454910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2018.454910][ T10] netlink_rcv_skb+0x130/0x360 [ 2018.454910][ T10] netlink_unicast+0x449/0x710 [ 2018.454910][ T10] netlink_sendmsg+0x723/0xbe0 [ 2018.454910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2018.454910][ T10] ___sys_sendmsg+0xee/0x170 [ 2018.454910][ T10] __sys_sendmsg+0xcd/0x170 [ 2018.454910][ T10] do_syscall_64+0xc6/0x1e0 [ 2018.454910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2018.454910][ T10] [ 2018.456666][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2018.456922][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2018.456922][ T10] netdev_get_by_index+0x5e/0x80 [ 2018.456922][ T10] fib6_nh_init+0x3d8/0x1580 [ 2018.456922][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2018.456922][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2018.456922][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2018.456922][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2018.456922][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2018.456922][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2018.456922][ T10] addrconf_dad_begin+0x310/0x670 [ 2018.456922][ T10] addrconf_dad_work+0x10b/0xab0 [ 2018.456922][ T10] process_one_work+0x84d/0x18a0 [ 2018.456922][ T10] worker_thread+0x587/0xd30 [ 2018.456922][ T10] kthread+0x28a/0x350 [ 2018.456922][ T10] ret_from_fork+0x31/0x70 [ 2018.456922][ T10] ret_from_fork_asm+0x1a/0x30 [ 2018.456922][ T10] [ 2018.458887][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2018.458887][ T10] netdev_get_by_index+0x5e/0x80 [ 2018.458887][ T10] fib6_nh_init+0x3d8/0x1580 [ 2018.458887][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2018.458887][ T10] ip6_route_add+0x1c/0x140 [ 2018.458887][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2018.458887][ T10] inet6_addr_add+0x4f8/0xa40 [ 2018.458887][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2018.458887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2018.458887][ T10] netlink_rcv_skb+0x130/0x360 [ 2018.458887][ T10] netlink_unicast+0x449/0x710 [ 2018.458887][ T10] netlink_sendmsg+0x723/0xbe0 [ 2018.458887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2018.458887][ T10] ___sys_sendmsg+0xee/0x170 [ 2018.458887][ T10] __sys_sendmsg+0xcd/0x170 [ 2018.458887][ T10] do_syscall_64+0xc6/0x1e0 [ 2018.458887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2018.458887][ T10] [ 2018.461149][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2018.461149][ T10] netdev_get_by_index+0x5e/0x80 [ 2018.461149][ T10] fib6_nh_init+0x3d8/0x1580 [ 2018.461149][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2018.461149][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2018.461149][ T10] ipv6_add_addr+0x411/0x2000 [ 2018.461149][ T10] inet6_addr_add+0x30e/0xa40 [ 2018.461149][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2018.461149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2018.461149][ T10] netlink_rcv_skb+0x130/0x360 [ 2018.461149][ T10] netlink_unicast+0x449/0x710 [ 2018.461149][ T10] netlink_sendmsg+0x723/0xbe0 [ 2018.461149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2018.461149][ T10] ___sys_sendmsg+0xee/0x170 [ 2018.461149][ T10] __sys_sendmsg+0xcd/0x170 [ 2018.461149][ T10] do_syscall_64+0xc6/0x1e0 [ 2018.461149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2018.461149][ T10] [ 2018.463457][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2018.463457][ T10] netdev_get_by_index+0x5e/0x80 [ 2018.463457][ T10] fib6_nh_init+0x3d8/0x1580 [ 2018.463457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2018.463457][ T10] ip6_route_add+0x1c/0x140 [ 2018.463457][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2018.463457][ T10] addrconf_add_dev+0xe2/0x170 [ 2018.463457][ T10] inet6_addr_add+0x12f/0xa40 [ 2018.463457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2018.463457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2018.463457][ T10] netlink_rcv_skb+0x130/0x360 [ 2018.463457][ T10] netlink_unicast+0x449/0x710 [ 2018.463457][ T10] netlink_sendmsg+0x723/0xbe0 [ 2018.463457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2018.463457][ T10] ___sys_sendmsg+0xee/0x170 [ 2018.463457][ T10] __sys_sendmsg+0xcd/0x170 [ 2018.463457][ T10] do_syscall_64+0xc6/0x1e0 [ 2018.463457][ T10] [ 2018.465779][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2018.465779][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2018.465779][ T10] ipv6_find_idev+0x102/0x170 [ 2018.465779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2018.465779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2018.465779][ T10] netlink_rcv_skb+0x130/0x360 [ 2018.465779][ T10] netlink_unicast+0x449/0x710 [ 2018.465779][ T10] netlink_sendmsg+0x723/0xbe0 [ 2018.465779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2018.465779][ T10] ___sys_sendmsg+0xee/0x170 [ 2018.465779][ T10] __sys_sendmsg+0xcd/0x170 [ 2018.465779][ T10] do_syscall_64+0xc6/0x1e0 [ 2018.465779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2018.465779][ T10] [ 2018.467554][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2018.467554][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2018.467554][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2018.467554][ T10] ipv6_find_idev+0x102/0x170 [ 2018.467554][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2018.467554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2018.467554][ T10] netlink_rcv_skb+0x130/0x360 [ 2018.467554][ T10] netlink_unicast+0x449/0x710 [ 2018.467554][ T10] netlink_sendmsg+0x723/0xbe0 [ 2018.467554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2018.467554][ T10] ___sys_sendmsg+0xee/0x170 [ 2018.467554][ T10] __sys_sendmsg+0xcd/0x170 [ 2018.467554][ T10] do_syscall_64+0xc6/0x1e0 [ 2018.467554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2018.467554][ T10] [ 2018.469477][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2018.469719][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2018.469719][ T10] netdev_get_by_index+0x5e/0x80 [ 2018.469719][ T10] fib6_nh_init+0x3d8/0x1580 [ 2018.469719][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2018.469719][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2018.469719][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2018.469719][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2018.469719][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2018.469719][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2018.469719][ T10] addrconf_dad_begin+0x310/0x670 [ 2018.469719][ T10] addrconf_dad_work+0x10b/0xab0 [ 2018.469719][ T10] process_one_work+0x84d/0x18a0 [ 2018.469719][ T10] worker_thread+0x587/0xd30 [ 2018.469719][ T10] kthread+0x28a/0x350 [ 2018.469719][ T10] ret_from_fork+0x31/0x70 [ 2018.469719][ T10] ret_from_fork_asm+0x1a/0x30 [ 2018.469719][ T10] [ 2018.471893][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2018.471893][ T10] netdev_get_by_index+0x5e/0x80 [ 2018.471893][ T10] fib6_nh_init+0x3d8/0x1580 [ 2018.471893][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2018.471893][ T10] ip6_route_add+0x1c/0x140 [ 2018.471893][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2018.471893][ T10] inet6_addr_add+0x4f8/0xa40 [ 2018.471893][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2018.471893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2018.471893][ T10] netlink_rcv_skb+0x130/0x360 [ 2018.471893][ T10] netlink_unicast+0x449/0x710 [ 2018.471893][ T10] netlink_sendmsg+0x723/0xbe0 [ 2018.471893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2018.471893][ T10] ___sys_sendmsg+0xee/0x170 [ 2018.471893][ T10] __sys_sendmsg+0xcd/0x170 [ 2018.471893][ T10] do_syscall_64+0xc6/0x1e0 [ 2018.471893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2018.471893][ T10] [ 2018.474224][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2018.474224][ T10] netdev_get_by_index+0x5e/0x80 [ 2018.474224][ T10] fib6_nh_init+0x3d8/0x1580 [ 2018.474224][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2018.474224][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2018.474224][ T10] ipv6_add_addr+0x411/0x2000 [ 2018.474224][ T10] inet6_addr_add+0x30e/0xa40 [ 2018.474224][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2018.474224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2018.474224][ T10] netlink_rcv_skb+0x130/0x360 [ 2018.474224][ T10] netlink_unicast+0x449/0x710 [ 2018.474224][ T10] netlink_sendmsg+0x723/0xbe0 [ 2018.474224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2018.474224][ T10] ___sys_sendmsg+0xee/0x170 [ 2018.474224][ T10] __sys_sendmsg+0xcd/0x170 [ 2018.474224][ T10] do_syscall_64+0xc6/0x1e0 [ 2018.474224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2018.474224][ T10] [ 2018.476535][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2018.476535][ T10] netdev_get_by_index+0x5e/0x80 [ 2018.476535][ T10] fib6_nh_init+0x3d8/0x1580 [ 2018.476535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2018.476535][ T10] ip6_route_add+0x1c/0x140 [ 2018.476535][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2018.476535][ T10] addrconf_add_dev+0xe2/0x170 [ 2018.476535][ T10] inet6_addr_add+0x12f/0xa40 [ 2018.476535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2018.476535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2018.476535][ T10] netlink_rcv_skb+0x130/0x360 [ 2018.476535][ T10] netlink_unicast+0x449/0x710 [ 2018.476535][ T10] netlink_sendmsg+0x723/0xbe0 [ 2018.476535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2018.476535][ T10] ___sys_sendmsg+0xee/0x170 [ 2018.476535][ T10] __sys_sendmsg+0xcd/0x170 [ 2018.476535][ T10] do_syscall_64+0xc6/0x1e0 [ 2018.476535][ T10] [ 2018.478758][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2018.478758][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2018.478758][ T10] ipv6_find_idev+0x102/0x170 [ 2018.478758][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2018.478758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2018.478758][ T10] netlink_rcv_skb+0x130/0x360 [ 2018.478758][ T10] netlink_unicast+0x449/0x710 [ 2018.478758][ T10] netlink_sendmsg+0x723/0xbe0 [ 2018.478758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2018.478758][ T10] ___sys_sendmsg+0xee/0x170 [ 2018.478758][ T10] __sys_sendmsg+0xcd/0x170 [ 2018.478758][ T10] do_syscall_64+0xc6/0x1e0 [ 2018.478758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2018.478758][ T10] [ 2018.480536][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2018.480536][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2018.480536][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2018.480536][ T10] ipv6_find_idev+0x102/0x170 [ 2018.480536][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2018.480536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2018.480536][ T10] netlink_rcv_skb+0x130/0x360 [ 2018.480536][ T10] netlink_unicast+0x449/0x710 [ 2018.480536][ T10] netlink_sendmsg+0x723/0xbe0 [ 2018.480536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2018.480536][ T10] ___sys_sendmsg+0xee/0x170 [ 2018.480536][ T10] __sys_sendmsg+0xcd/0x170 [ 2018.480536][ T10] do_syscall_64+0xc6/0x1e0 [ 2018.480536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2018.480536][ T10] [ 2023.513191][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2023.513704][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2023.513704][ T1167] dst_init+0x84/0x4a0 [ 2023.513704][ T1167] dst_alloc+0x97/0x150 [ 2023.513704][ T1167] ip6_dst_alloc+0x23/0x90 [ 2023.513704][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2023.513704][ T1167] ip6_pol_route+0x56f/0x840 [ 2023.513704][ T1167] fib6_rule_lookup+0x334/0x630 [ 2023.513704][ T1167] ip6_route_output_flags+0x259/0x480 [ 2023.513704][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2023.513704][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2023.513704][ T1167] netlink_rcv_skb+0x130/0x360 [ 2023.513704][ T1167] netlink_unicast+0x449/0x710 [ 2023.513704][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2023.513704][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2023.513704][ T1167] ___sys_sendmsg+0xee/0x170 [ 2023.513704][ T1167] __sys_sendmsg+0xcd/0x170 [ 2023.513704][ T1167] do_syscall_64+0xc6/0x1e0 [ 2023.513704][ T1167] [ 2023.515915][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2023.515915][ T1167] netdev_get_by_index+0x5e/0x80 [ 2023.515915][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2023.515915][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2023.515915][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2023.515915][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2023.515915][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2023.515915][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2023.515915][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2023.515915][ T1167] addrconf_dad_begin+0x310/0x670 [ 2023.515915][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2023.515915][ T1167] process_one_work+0x84d/0x18a0 [ 2023.515915][ T1167] worker_thread+0x587/0xd30 [ 2023.515915][ T1167] kthread+0x28a/0x350 [ 2023.515915][ T1167] ret_from_fork+0x31/0x70 [ 2023.515915][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2023.515915][ T1167] [ 2023.518083][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2023.518083][ T1167] netdev_get_by_index+0x5e/0x80 [ 2023.518083][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2023.518083][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2023.518083][ T1167] ip6_route_add+0x1c/0x140 [ 2023.518083][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2023.518083][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2023.518083][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2023.518083][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2023.518083][ T1167] netlink_rcv_skb+0x130/0x360 [ 2023.518083][ T1167] netlink_unicast+0x449/0x710 [ 2023.518083][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2023.518083][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2023.518083][ T1167] ___sys_sendmsg+0xee/0x170 [ 2023.518083][ T1167] __sys_sendmsg+0xcd/0x170 [ 2023.518083][ T1167] do_syscall_64+0xc6/0x1e0 [ 2023.518083][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2023.518083][ T1167] [ 2023.520373][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2023.520373][ T1167] netdev_get_by_index+0x5e/0x80 [ 2023.520373][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2023.520373][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2023.520373][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2023.520373][ T1167] ipv6_add_addr+0x411/0x2000 [ 2023.520373][ T1167] inet6_addr_add+0x30e/0xa40 [ 2023.520373][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2023.520373][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2023.520373][ T1167] netlink_rcv_skb+0x130/0x360 [ 2023.520373][ T1167] netlink_unicast+0x449/0x710 [ 2023.520373][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2023.520373][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2023.520373][ T1167] ___sys_sendmsg+0xee/0x170 [ 2023.520373][ T1167] __sys_sendmsg+0xcd/0x170 [ 2023.520373][ T1167] do_syscall_64+0xc6/0x1e0 [ 2023.520373][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2023.520373][ T1167] [ 2023.522630][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2023.522630][ T1167] netdev_get_by_index+0x5e/0x80 [ 2023.522630][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2023.522630][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2023.522630][ T1167] ip6_route_add+0x1c/0x140 [ 2023.522630][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2023.522630][ T1167] addrconf_add_dev+0xe2/0x170 [ 2023.522630][ T1167] inet6_addr_add+0x12f/0xa40 [ 2023.522630][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2023.522630][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2023.522630][ T1167] netlink_rcv_skb+0x130/0x360 [ 2023.522630][ T1167] netlink_unicast+0x449/0x710 [ 2023.522630][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2023.522630][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2023.522630][ T1167] ___sys_sendmsg+0xee/0x170 [ 2023.522630][ T1167] __sys_sendmsg+0xcd/0x170 [ 2023.522630][ T1167] do_syscall_64+0xc6/0x1e0 [ 2023.522630][ T1167] [ 2023.524894][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2023.524894][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2023.524894][ T1167] ipv6_find_idev+0x102/0x170 [ 2023.524894][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2023.524894][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2023.524894][ T1167] netlink_rcv_skb+0x130/0x360 [ 2023.524894][ T1167] netlink_unicast+0x449/0x710 [ 2023.524894][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2023.524894][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2023.524894][ T1167] ___sys_sendmsg+0xee/0x170 [ 2023.524894][ T1167] __sys_sendmsg+0xcd/0x170 [ 2023.524894][ T1167] do_syscall_64+0xc6/0x1e0 [ 2023.524894][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2023.524894][ T1167] [ 2023.526645][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2023.526645][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2023.526645][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2023.526645][ T1167] ipv6_find_idev+0x102/0x170 [ 2023.526645][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2023.526645][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2023.526645][ T1167] netlink_rcv_skb+0x130/0x360 [ 2023.526645][ T1167] netlink_unicast+0x449/0x710 [ 2023.526645][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2023.526645][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2023.526645][ T1167] ___sys_sendmsg+0xee/0x170 [ 2023.526645][ T1167] __sys_sendmsg+0xcd/0x170 [ 2023.526645][ T1167] do_syscall_64+0xc6/0x1e0 [ 2023.526645][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2023.526645][ T1167] [ 2028.721062][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2028.721504][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2028.721504][ T10] netdev_get_by_index+0x5e/0x80 [ 2028.721504][ T10] fib6_nh_init+0x3d8/0x1580 [ 2028.721504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2028.721504][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2028.721504][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2028.721504][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2028.721504][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2028.721504][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2028.721504][ T10] addrconf_dad_begin+0x310/0x670 [ 2028.721504][ T10] addrconf_dad_work+0x10b/0xab0 [ 2028.721504][ T10] process_one_work+0x84d/0x18a0 [ 2028.721504][ T10] worker_thread+0x587/0xd30 [ 2028.721504][ T10] kthread+0x28a/0x350 [ 2028.721504][ T10] ret_from_fork+0x31/0x70 [ 2028.721504][ T10] ret_from_fork_asm+0x1a/0x30 [ 2028.721504][ T10] [ 2028.723453][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2028.723453][ T10] netdev_get_by_index+0x5e/0x80 [ 2028.723453][ T10] fib6_nh_init+0x3d8/0x1580 [ 2028.723453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2028.723453][ T10] ip6_route_add+0x1c/0x140 [ 2028.723453][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2028.723453][ T10] inet6_addr_add+0x4f8/0xa40 [ 2028.723453][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2028.723453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2028.723453][ T10] netlink_rcv_skb+0x130/0x360 [ 2028.723453][ T10] netlink_unicast+0x449/0x710 [ 2028.723453][ T10] netlink_sendmsg+0x723/0xbe0 [ 2028.723453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2028.723453][ T10] ___sys_sendmsg+0xee/0x170 [ 2028.723453][ T10] __sys_sendmsg+0xcd/0x170 [ 2028.723453][ T10] do_syscall_64+0xc6/0x1e0 [ 2028.723453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2028.723453][ T10] [ 2028.725465][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2028.725465][ T10] netdev_get_by_index+0x5e/0x80 [ 2028.725465][ T10] fib6_nh_init+0x3d8/0x1580 [ 2028.725465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2028.725465][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2028.725465][ T10] ipv6_add_addr+0x411/0x2000 [ 2028.725465][ T10] inet6_addr_add+0x30e/0xa40 [ 2028.725465][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2028.725465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2028.725465][ T10] netlink_rcv_skb+0x130/0x360 [ 2028.725465][ T10] netlink_unicast+0x449/0x710 [ 2028.725465][ T10] netlink_sendmsg+0x723/0xbe0 [ 2028.725465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2028.725465][ T10] ___sys_sendmsg+0xee/0x170 [ 2028.725465][ T10] __sys_sendmsg+0xcd/0x170 [ 2028.725465][ T10] do_syscall_64+0xc6/0x1e0 [ 2028.725465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2028.725465][ T10] [ 2028.727450][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2028.727450][ T10] netdev_get_by_index+0x5e/0x80 [ 2028.727450][ T10] fib6_nh_init+0x3d8/0x1580 [ 2028.727450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2028.727450][ T10] ip6_route_add+0x1c/0x140 [ 2028.727450][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2028.727450][ T10] addrconf_add_dev+0xe2/0x170 [ 2028.727450][ T10] inet6_addr_add+0x12f/0xa40 [ 2028.727450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2028.727450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2028.727450][ T10] netlink_rcv_skb+0x130/0x360 [ 2028.727450][ T10] netlink_unicast+0x449/0x710 [ 2028.727450][ T10] netlink_sendmsg+0x723/0xbe0 [ 2028.727450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2028.727450][ T10] ___sys_sendmsg+0xee/0x170 [ 2028.727450][ T10] __sys_sendmsg+0xcd/0x170 [ 2028.727450][ T10] do_syscall_64+0xc6/0x1e0 [ 2028.727450][ T10] [ 2028.729413][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2028.729413][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2028.729413][ T10] ipv6_find_idev+0x102/0x170 [ 2028.729413][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2028.729413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2028.729413][ T10] netlink_rcv_skb+0x130/0x360 [ 2028.729413][ T10] netlink_unicast+0x449/0x710 [ 2028.729413][ T10] netlink_sendmsg+0x723/0xbe0 [ 2028.729413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2028.729413][ T10] ___sys_sendmsg+0xee/0x170 [ 2028.729413][ T10] __sys_sendmsg+0xcd/0x170 [ 2028.729413][ T10] do_syscall_64+0xc6/0x1e0 [ 2028.729413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2028.729413][ T10] [ 2028.730939][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2028.730939][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2028.730939][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2028.730939][ T10] ipv6_find_idev+0x102/0x170 [ 2028.730939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2028.730939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2028.730939][ T10] netlink_rcv_skb+0x130/0x360 [ 2028.730939][ T10] netlink_unicast+0x449/0x710 [ 2028.730939][ T10] netlink_sendmsg+0x723/0xbe0 [ 2028.730939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2028.730939][ T10] ___sys_sendmsg+0xee/0x170 [ 2028.730939][ T10] __sys_sendmsg+0xcd/0x170 [ 2028.730939][ T10] do_syscall_64+0xc6/0x1e0 [ 2028.730939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2028.730939][ T10] [ 2028.732618][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2028.732879][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2028.732879][ T10] netdev_get_by_index+0x5e/0x80 [ 2028.732879][ T10] fib6_nh_init+0x3d8/0x1580 [ 2028.732879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2028.732879][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2028.732879][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2028.732879][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2028.732879][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2028.732879][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2028.732879][ T10] addrconf_dad_begin+0x310/0x670 [ 2028.732879][ T10] addrconf_dad_work+0x10b/0xab0 [ 2028.732879][ T10] process_one_work+0x84d/0x18a0 [ 2028.732879][ T10] worker_thread+0x587/0xd30 [ 2028.732879][ T10] kthread+0x28a/0x350 [ 2028.732879][ T10] ret_from_fork+0x31/0x70 [ 2028.732879][ T10] ret_from_fork_asm+0x1a/0x30 [ 2028.732879][ T10] [ 2028.734773][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2028.734773][ T10] netdev_get_by_index+0x5e/0x80 [ 2028.734773][ T10] fib6_nh_init+0x3d8/0x1580 [ 2028.734773][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2028.734773][ T10] ip6_route_add+0x1c/0x140 [ 2028.734773][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2028.734773][ T10] inet6_addr_add+0x4f8/0xa40 [ 2028.734773][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2028.734773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2028.734773][ T10] netlink_rcv_skb+0x130/0x360 [ 2028.734773][ T10] netlink_unicast+0x449/0x710 [ 2028.734773][ T10] netlink_sendmsg+0x723/0xbe0 [ 2028.734773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2028.734773][ T10] ___sys_sendmsg+0xee/0x170 [ 2028.734773][ T10] __sys_sendmsg+0xcd/0x170 [ 2028.734773][ T10] do_syscall_64+0xc6/0x1e0 [ 2028.734773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2028.734773][ T10] [ 2028.736757][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2028.736757][ T10] netdev_get_by_index+0x5e/0x80 [ 2028.736757][ T10] fib6_nh_init+0x3d8/0x1580 [ 2028.736757][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2028.736757][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2028.736757][ T10] ipv6_add_addr+0x411/0x2000 [ 2028.736757][ T10] inet6_addr_add+0x30e/0xa40 [ 2028.736757][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2028.736757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2028.736757][ T10] netlink_rcv_skb+0x130/0x360 [ 2028.736757][ T10] netlink_unicast+0x449/0x710 [ 2028.736757][ T10] netlink_sendmsg+0x723/0xbe0 [ 2028.736757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2028.736757][ T10] ___sys_sendmsg+0xee/0x170 [ 2028.736757][ T10] __sys_sendmsg+0xcd/0x170 [ 2028.736757][ T10] do_syscall_64+0xc6/0x1e0 [ 2028.736757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2028.736757][ T10] [ 2028.738747][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2028.738747][ T10] netdev_get_by_index+0x5e/0x80 [ 2028.738747][ T10] fib6_nh_init+0x3d8/0x1580 [ 2028.738747][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2028.738747][ T10] ip6_route_add+0x1c/0x140 [ 2028.738747][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2028.738747][ T10] addrconf_add_dev+0xe2/0x170 [ 2028.738747][ T10] inet6_addr_add+0x12f/0xa40 [ 2028.738747][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2028.738747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2028.738747][ T10] netlink_rcv_skb+0x130/0x360 [ 2028.738747][ T10] netlink_unicast+0x449/0x710 [ 2028.738747][ T10] netlink_sendmsg+0x723/0xbe0 [ 2028.738747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2028.738747][ T10] ___sys_sendmsg+0xee/0x170 [ 2028.738747][ T10] __sys_sendmsg+0xcd/0x170 [ 2028.738747][ T10] do_syscall_64+0xc6/0x1e0 [ 2028.738747][ T10] [ 2028.740692][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2028.740692][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2028.740692][ T10] ipv6_find_idev+0x102/0x170 [ 2028.740692][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2028.740692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2028.740692][ T10] netlink_rcv_skb+0x130/0x360 [ 2028.740692][ T10] netlink_unicast+0x449/0x710 [ 2028.740692][ T10] netlink_sendmsg+0x723/0xbe0 [ 2028.740692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2028.740692][ T10] ___sys_sendmsg+0xee/0x170 [ 2028.740692][ T10] __sys_sendmsg+0xcd/0x170 [ 2028.740692][ T10] do_syscall_64+0xc6/0x1e0 [ 2028.740692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2028.740692][ T10] [ 2028.742226][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2028.742226][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2028.742226][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2028.742226][ T10] ipv6_find_idev+0x102/0x170 [ 2028.742226][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2028.742226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2028.742226][ T10] netlink_rcv_skb+0x130/0x360 [ 2028.742226][ T10] netlink_unicast+0x449/0x710 [ 2028.742226][ T10] netlink_sendmsg+0x723/0xbe0 [ 2028.742226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2028.742226][ T10] ___sys_sendmsg+0xee/0x170 [ 2028.742226][ T10] __sys_sendmsg+0xcd/0x170 [ 2028.742226][ T10] do_syscall_64+0xc6/0x1e0 [ 2028.742226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2028.742226][ T10] [ 2028.743899][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2028.744160][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2028.744160][ T10] netdev_get_by_index+0x5e/0x80 [ 2028.744160][ T10] fib6_nh_init+0x3d8/0x1580 [ 2028.744160][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2028.744160][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2028.744160][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2028.744160][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2028.744160][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2028.744160][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2028.744160][ T10] addrconf_dad_begin+0x310/0x670 [ 2028.744160][ T10] addrconf_dad_work+0x10b/0xab0 [ 2028.744160][ T10] process_one_work+0x84d/0x18a0 [ 2028.744160][ T10] worker_thread+0x587/0xd30 [ 2028.744160][ T10] kthread+0x28a/0x350 [ 2028.744160][ T10] ret_from_fork+0x31/0x70 [ 2028.744160][ T10] ret_from_fork_asm+0x1a/0x30 [ 2028.744160][ T10] [ 2028.746057][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2028.746057][ T10] netdev_get_by_index+0x5e/0x80 [ 2028.746057][ T10] fib6_nh_init+0x3d8/0x1580 [ 2028.746057][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2028.746057][ T10] ip6_route_add+0x1c/0x140 [ 2028.746057][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2028.746057][ T10] inet6_addr_add+0x4f8/0xa40 [ 2028.746057][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2028.746057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2028.746057][ T10] netlink_rcv_skb+0x130/0x360 [ 2028.746057][ T10] netlink_unicast+0x449/0x710 [ 2028.746057][ T10] netlink_sendmsg+0x723/0xbe0 [ 2028.746057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2028.746057][ T10] ___sys_sendmsg+0xee/0x170 [ 2028.746057][ T10] __sys_sendmsg+0xcd/0x170 [ 2028.746057][ T10] do_syscall_64+0xc6/0x1e0 [ 2028.746057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2028.746057][ T10] [ 2028.748229][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2028.748229][ T10] netdev_get_by_index+0x5e/0x80 [ 2028.748229][ T10] fib6_nh_init+0x3d8/0x1580 [ 2028.748229][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2028.748229][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2028.748229][ T10] ipv6_add_addr+0x411/0x2000 [ 2028.748229][ T10] inet6_addr_add+0x30e/0xa40 [ 2028.748229][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2028.748229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2028.748229][ T10] netlink_rcv_skb+0x130/0x360 [ 2028.748229][ T10] netlink_unicast+0x449/0x710 [ 2028.748229][ T10] netlink_sendmsg+0x723/0xbe0 [ 2028.748229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2028.748229][ T10] ___sys_sendmsg+0xee/0x170 [ 2028.748229][ T10] __sys_sendmsg+0xcd/0x170 [ 2028.748229][ T10] do_syscall_64+0xc6/0x1e0 [ 2028.748229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2028.748229][ T10] [ 2028.750523][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2028.750523][ T10] netdev_get_by_index+0x5e/0x80 [ 2028.750523][ T10] fib6_nh_init+0x3d8/0x1580 [ 2028.750523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2028.750523][ T10] ip6_route_add+0x1c/0x140 [ 2028.750523][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2028.750523][ T10] addrconf_add_dev+0xe2/0x170 [ 2028.750523][ T10] inet6_addr_add+0x12f/0xa40 [ 2028.750523][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2028.750523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2028.750523][ T10] netlink_rcv_skb+0x130/0x360 [ 2028.750523][ T10] netlink_unicast+0x449/0x710 [ 2028.750523][ T10] netlink_sendmsg+0x723/0xbe0 [ 2028.750523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2028.750523][ T10] ___sys_sendmsg+0xee/0x170 [ 2028.750523][ T10] __sys_sendmsg+0xcd/0x170 [ 2028.750523][ T10] do_syscall_64+0xc6/0x1e0 [ 2028.750523][ T10] [ 2028.752731][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2028.752731][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2028.752731][ T10] ipv6_find_idev+0x102/0x170 [ 2028.752731][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2028.752731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2028.752731][ T10] netlink_rcv_skb+0x130/0x360 [ 2028.752731][ T10] netlink_unicast+0x449/0x710 [ 2028.752731][ T10] netlink_sendmsg+0x723/0xbe0 [ 2028.752731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2028.752731][ T10] ___sys_sendmsg+0xee/0x170 [ 2028.752731][ T10] __sys_sendmsg+0xcd/0x170 [ 2028.752731][ T10] do_syscall_64+0xc6/0x1e0 [ 2028.752731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2028.752731][ T10] [ 2028.754382][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2028.754382][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2028.754382][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2028.754382][ T10] ipv6_find_idev+0x102/0x170 [ 2028.754382][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2028.754382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2028.754382][ T10] netlink_rcv_skb+0x130/0x360 [ 2028.754382][ T10] netlink_unicast+0x449/0x710 [ 2028.754382][ T10] netlink_sendmsg+0x723/0xbe0 [ 2028.754382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2028.754382][ T10] ___sys_sendmsg+0xee/0x170 [ 2028.754382][ T10] __sys_sendmsg+0xcd/0x170 [ 2028.754382][ T10] do_syscall_64+0xc6/0x1e0 [ 2028.754382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2028.754382][ T10] [ 2028.756254][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2028.756494][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2028.756494][ T10] netdev_get_by_index+0x5e/0x80 [ 2028.756494][ T10] fib6_nh_init+0x3d8/0x1580 [ 2028.756494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2028.756494][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2028.756494][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2028.756494][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2028.756494][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2028.756494][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2028.756494][ T10] addrconf_dad_begin+0x310/0x670 [ 2028.756494][ T10] addrconf_dad_work+0x10b/0xab0 [ 2028.756494][ T10] process_one_work+0x84d/0x18a0 [ 2028.756494][ T10] worker_thread+0x587/0xd30 [ 2028.756494][ T10] kthread+0x28a/0x350 [ 2028.756494][ T10] ret_from_fork+0x31/0x70 [ 2028.756494][ T10] ret_from_fork_asm+0x1a/0x30 [ 2028.756494][ T10] [ 2028.758705][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2028.758705][ T10] netdev_get_by_index+0x5e/0x80 [ 2028.758705][ T10] fib6_nh_init+0x3d8/0x1580 [ 2028.758705][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2028.758705][ T10] ip6_route_add+0x1c/0x140 [ 2028.758705][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2028.758705][ T10] inet6_addr_add+0x4f8/0xa40 [ 2028.758705][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2028.758705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2028.758705][ T10] netlink_rcv_skb+0x130/0x360 [ 2028.758705][ T10] netlink_unicast+0x449/0x710 [ 2028.758705][ T10] netlink_sendmsg+0x723/0xbe0 [ 2028.758705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2028.758705][ T10] ___sys_sendmsg+0xee/0x170 [ 2028.758705][ T10] __sys_sendmsg+0xcd/0x170 [ 2028.758705][ T10] do_syscall_64+0xc6/0x1e0 [ 2028.758705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2028.758705][ T10] [ 2028.760930][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2028.760930][ T10] netdev_get_by_index+0x5e/0x80 [ 2028.760930][ T10] fib6_nh_init+0x3d8/0x1580 [ 2028.760930][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2028.760930][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2028.760930][ T10] ipv6_add_addr+0x411/0x2000 [ 2028.760930][ T10] inet6_addr_add+0x30e/0xa40 [ 2028.760930][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2028.760930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2028.760930][ T10] netlink_rcv_skb+0x130/0x360 [ 2028.760930][ T10] netlink_unicast+0x449/0x710 [ 2028.760930][ T10] netlink_sendmsg+0x723/0xbe0 [ 2028.760930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2028.760930][ T10] ___sys_sendmsg+0xee/0x170 [ 2028.760930][ T10] __sys_sendmsg+0xcd/0x170 [ 2028.760930][ T10] do_syscall_64+0xc6/0x1e0 [ 2028.760930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2028.760930][ T10] [ 2028.763090][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2028.763090][ T10] netdev_get_by_index+0x5e/0x80 [ 2028.763090][ T10] fib6_nh_init+0x3d8/0x1580 [ 2028.763090][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2028.763090][ T10] ip6_route_add+0x1c/0x140 [ 2028.763090][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2028.763090][ T10] addrconf_add_dev+0xe2/0x170 [ 2028.763090][ T10] inet6_addr_add+0x12f/0xa40 [ 2028.763090][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2028.763090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2028.763090][ T10] netlink_rcv_skb+0x130/0x360 [ 2028.763090][ T10] netlink_unicast+0x449/0x710 [ 2028.763090][ T10] netlink_sendmsg+0x723/0xbe0 [ 2028.763090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2028.763090][ T10] ___sys_sendmsg+0xee/0x170 [ 2028.763090][ T10] __sys_sendmsg+0xcd/0x170 [ 2028.763090][ T10] do_syscall_64+0xc6/0x1e0 [ 2028.763090][ T10] [ 2028.765285][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2028.765285][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2028.765285][ T10] ipv6_find_idev+0x102/0x170 [ 2028.765285][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2028.765285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2028.765285][ T10] netlink_rcv_skb+0x130/0x360 [ 2028.765285][ T10] netlink_unicast+0x449/0x710 [ 2028.765285][ T10] netlink_sendmsg+0x723/0xbe0 [ 2028.765285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2028.765285][ T10] ___sys_sendmsg+0xee/0x170 [ 2028.765285][ T10] __sys_sendmsg+0xcd/0x170 [ 2028.765285][ T10] do_syscall_64+0xc6/0x1e0 [ 2028.765285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2028.765285][ T10] [ 2028.767002][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2028.767002][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2028.767002][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2028.767002][ T10] ipv6_find_idev+0x102/0x170 [ 2028.767002][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2028.767002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2028.767002][ T10] netlink_rcv_skb+0x130/0x360 [ 2028.767002][ T10] netlink_unicast+0x449/0x710 [ 2028.767002][ T10] netlink_sendmsg+0x723/0xbe0 [ 2028.767002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2028.767002][ T10] ___sys_sendmsg+0xee/0x170 [ 2028.767002][ T10] __sys_sendmsg+0xcd/0x170 [ 2028.767002][ T10] do_syscall_64+0xc6/0x1e0 [ 2028.767002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2028.767002][ T10] [ 2033.769138][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2033.769588][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2033.769588][ T1167] dst_init+0x84/0x4a0 [ 2033.769588][ T1167] dst_alloc+0x97/0x150 [ 2033.769588][ T1167] ip6_dst_alloc+0x23/0x90 [ 2033.769588][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2033.769588][ T1167] ip6_pol_route+0x56f/0x840 [ 2033.769588][ T1167] fib6_rule_lookup+0x334/0x630 [ 2033.769588][ T1167] ip6_route_output_flags+0x259/0x480 [ 2033.769588][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2033.769588][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2033.769588][ T1167] netlink_rcv_skb+0x130/0x360 [ 2033.769588][ T1167] netlink_unicast+0x449/0x710 [ 2033.769588][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2033.769588][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2033.769588][ T1167] ___sys_sendmsg+0xee/0x170 [ 2033.769588][ T1167] __sys_sendmsg+0xcd/0x170 [ 2033.769588][ T1167] do_syscall_64+0xc6/0x1e0 [ 2033.769588][ T1167] [ 2033.771794][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2033.771794][ T1167] netdev_get_by_index+0x5e/0x80 [ 2033.771794][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2033.771794][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2033.771794][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2033.771794][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2033.771794][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2033.771794][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2033.771794][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2033.771794][ T1167] addrconf_dad_begin+0x310/0x670 [ 2033.771794][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2033.771794][ T1167] process_one_work+0x84d/0x18a0 [ 2033.771794][ T1167] worker_thread+0x587/0xd30 [ 2033.771794][ T1167] kthread+0x28a/0x350 [ 2033.771794][ T1167] ret_from_fork+0x31/0x70 [ 2033.771794][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2033.771794][ T1167] [ 2033.773939][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2033.773939][ T1167] netdev_get_by_index+0x5e/0x80 [ 2033.773939][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2033.773939][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2033.773939][ T1167] ip6_route_add+0x1c/0x140 [ 2033.773939][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2033.773939][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2033.773939][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2033.773939][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.773939][ T1167] netlink_rcv_skb+0x130/0x360 [ 2033.773939][ T1167] netlink_unicast+0x449/0x710 [ 2033.773939][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2033.773939][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2033.773939][ T1167] ___sys_sendmsg+0xee/0x170 [ 2033.773939][ T1167] __sys_sendmsg+0xcd/0x170 [ 2033.773939][ T1167] do_syscall_64+0xc6/0x1e0 [ 2033.773939][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2033.773939][ T1167] [ 2033.776206][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2033.776206][ T1167] netdev_get_by_index+0x5e/0x80 [ 2033.776206][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2033.776206][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2033.776206][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2033.776206][ T1167] ipv6_add_addr+0x411/0x2000 [ 2033.776206][ T1167] inet6_addr_add+0x30e/0xa40 [ 2033.776206][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2033.776206][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.776206][ T1167] netlink_rcv_skb+0x130/0x360 [ 2033.776206][ T1167] netlink_unicast+0x449/0x710 [ 2033.776206][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2033.776206][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2033.776206][ T1167] ___sys_sendmsg+0xee/0x170 [ 2033.776206][ T1167] __sys_sendmsg+0xcd/0x170 [ 2033.776206][ T1167] do_syscall_64+0xc6/0x1e0 [ 2033.776206][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2033.776206][ T1167] [ 2033.778477][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2033.778477][ T1167] netdev_get_by_index+0x5e/0x80 [ 2033.778477][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2033.778477][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2033.778477][ T1167] ip6_route_add+0x1c/0x140 [ 2033.778477][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2033.778477][ T1167] addrconf_add_dev+0xe2/0x170 [ 2033.778477][ T1167] inet6_addr_add+0x12f/0xa40 [ 2033.778477][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2033.778477][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.778477][ T1167] netlink_rcv_skb+0x130/0x360 [ 2033.778477][ T1167] netlink_unicast+0x449/0x710 [ 2033.778477][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2033.778477][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2033.778477][ T1167] ___sys_sendmsg+0xee/0x170 [ 2033.778477][ T1167] __sys_sendmsg+0xcd/0x170 [ 2033.778477][ T1167] do_syscall_64+0xc6/0x1e0 [ 2033.778477][ T1167] [ 2033.780714][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2033.780714][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2033.780714][ T1167] ipv6_find_idev+0x102/0x170 [ 2033.780714][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2033.780714][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.780714][ T1167] netlink_rcv_skb+0x130/0x360 [ 2033.780714][ T1167] netlink_unicast+0x449/0x710 [ 2033.780714][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2033.780714][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2033.780714][ T1167] ___sys_sendmsg+0xee/0x170 [ 2033.780714][ T1167] __sys_sendmsg+0xcd/0x170 [ 2033.780714][ T1167] do_syscall_64+0xc6/0x1e0 [ 2033.780714][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2033.780714][ T1167] [ 2033.782469][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2033.782469][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2033.782469][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2033.782469][ T1167] ipv6_find_idev+0x102/0x170 [ 2033.782469][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2033.782469][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.782469][ T1167] netlink_rcv_skb+0x130/0x360 [ 2033.782469][ T1167] netlink_unicast+0x449/0x710 [ 2033.782469][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2033.782469][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2033.782469][ T1167] ___sys_sendmsg+0xee/0x170 [ 2033.782469][ T1167] __sys_sendmsg+0xcd/0x170 [ 2033.782469][ T1167] do_syscall_64+0xc6/0x1e0 [ 2033.782469][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2033.782469][ T1167] [ 2039.009126][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2039.009500][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2039.009500][ T10] netdev_get_by_index+0x5e/0x80 [ 2039.009500][ T10] fib6_nh_init+0x3d8/0x1580 [ 2039.009500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2039.009500][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2039.009500][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2039.009500][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2039.009500][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2039.009500][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2039.009500][ T10] addrconf_dad_begin+0x310/0x670 [ 2039.009500][ T10] addrconf_dad_work+0x10b/0xab0 [ 2039.009500][ T10] process_one_work+0x84d/0x18a0 [ 2039.009500][ T10] worker_thread+0x587/0xd30 [ 2039.009500][ T10] kthread+0x28a/0x350 [ 2039.009500][ T10] ret_from_fork+0x31/0x70 [ 2039.009500][ T10] ret_from_fork_asm+0x1a/0x30 [ 2039.009500][ T10] [ 2039.011442][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2039.011442][ T10] netdev_get_by_index+0x5e/0x80 [ 2039.011442][ T10] fib6_nh_init+0x3d8/0x1580 [ 2039.011442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2039.011442][ T10] ip6_route_add+0x1c/0x140 [ 2039.011442][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2039.011442][ T10] inet6_addr_add+0x4f8/0xa40 [ 2039.011442][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2039.011442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2039.011442][ T10] netlink_rcv_skb+0x130/0x360 [ 2039.011442][ T10] netlink_unicast+0x449/0x710 [ 2039.011442][ T10] netlink_sendmsg+0x723/0xbe0 [ 2039.011442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2039.011442][ T10] ___sys_sendmsg+0xee/0x170 [ 2039.011442][ T10] __sys_sendmsg+0xcd/0x170 [ 2039.011442][ T10] do_syscall_64+0xc6/0x1e0 [ 2039.011442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2039.011442][ T10] [ 2039.013438][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2039.013438][ T10] netdev_get_by_index+0x5e/0x80 [ 2039.013438][ T10] fib6_nh_init+0x3d8/0x1580 [ 2039.013438][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2039.013438][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2039.013438][ T10] ipv6_add_addr+0x411/0x2000 [ 2039.013438][ T10] inet6_addr_add+0x30e/0xa40 [ 2039.013438][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2039.013438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2039.013438][ T10] netlink_rcv_skb+0x130/0x360 [ 2039.013438][ T10] netlink_unicast+0x449/0x710 [ 2039.013438][ T10] netlink_sendmsg+0x723/0xbe0 [ 2039.013438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2039.013438][ T10] ___sys_sendmsg+0xee/0x170 [ 2039.013438][ T10] __sys_sendmsg+0xcd/0x170 [ 2039.013438][ T10] do_syscall_64+0xc6/0x1e0 [ 2039.013438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2039.013438][ T10] [ 2039.015479][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2039.015479][ T10] netdev_get_by_index+0x5e/0x80 [ 2039.015479][ T10] fib6_nh_init+0x3d8/0x1580 [ 2039.015479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2039.015479][ T10] ip6_route_add+0x1c/0x140 [ 2039.015479][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2039.015479][ T10] addrconf_add_dev+0xe2/0x170 [ 2039.015479][ T10] inet6_addr_add+0x12f/0xa40 [ 2039.015479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2039.015479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2039.015479][ T10] netlink_rcv_skb+0x130/0x360 [ 2039.015479][ T10] netlink_unicast+0x449/0x710 [ 2039.015479][ T10] netlink_sendmsg+0x723/0xbe0 [ 2039.015479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2039.015479][ T10] ___sys_sendmsg+0xee/0x170 [ 2039.015479][ T10] __sys_sendmsg+0xcd/0x170 [ 2039.015479][ T10] do_syscall_64+0xc6/0x1e0 [ 2039.015479][ T10] [ 2039.017468][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2039.017468][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2039.017468][ T10] ipv6_find_idev+0x102/0x170 [ 2039.017468][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2039.017468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2039.017468][ T10] netlink_rcv_skb+0x130/0x360 [ 2039.017468][ T10] netlink_unicast+0x449/0x710 [ 2039.017468][ T10] netlink_sendmsg+0x723/0xbe0 [ 2039.017468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2039.017468][ T10] ___sys_sendmsg+0xee/0x170 [ 2039.017468][ T10] __sys_sendmsg+0xcd/0x170 [ 2039.017468][ T10] do_syscall_64+0xc6/0x1e0 [ 2039.017468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2039.017468][ T10] [ 2039.019059][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2039.019059][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2039.019059][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2039.019059][ T10] ipv6_find_idev+0x102/0x170 [ 2039.019059][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2039.019059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2039.019059][ T10] netlink_rcv_skb+0x130/0x360 [ 2039.019059][ T10] netlink_unicast+0x449/0x710 [ 2039.019059][ T10] netlink_sendmsg+0x723/0xbe0 [ 2039.019059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2039.019059][ T10] ___sys_sendmsg+0xee/0x170 [ 2039.019059][ T10] __sys_sendmsg+0xcd/0x170 [ 2039.019059][ T10] do_syscall_64+0xc6/0x1e0 [ 2039.019059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2039.019059][ T10] [ 2039.020771][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2039.021020][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2039.021020][ T10] netdev_get_by_index+0x5e/0x80 [ 2039.021020][ T10] fib6_nh_init+0x3d8/0x1580 [ 2039.021020][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2039.021020][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2039.021020][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2039.021020][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2039.021020][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2039.021020][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2039.021020][ T10] addrconf_dad_begin+0x310/0x670 [ 2039.021020][ T10] addrconf_dad_work+0x10b/0xab0 [ 2039.021020][ T10] process_one_work+0x84d/0x18a0 [ 2039.021020][ T10] worker_thread+0x587/0xd30 [ 2039.021020][ T10] kthread+0x28a/0x350 [ 2039.021020][ T10] ret_from_fork+0x31/0x70 [ 2039.021020][ T10] ret_from_fork_asm+0x1a/0x30 [ 2039.021020][ T10] [ 2039.022959][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2039.022959][ T10] netdev_get_by_index+0x5e/0x80 [ 2039.022959][ T10] fib6_nh_init+0x3d8/0x1580 [ 2039.022959][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2039.022959][ T10] ip6_route_add+0x1c/0x140 [ 2039.022959][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2039.022959][ T10] inet6_addr_add+0x4f8/0xa40 [ 2039.022959][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2039.022959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2039.022959][ T10] netlink_rcv_skb+0x130/0x360 [ 2039.022959][ T10] netlink_unicast+0x449/0x710 [ 2039.022959][ T10] netlink_sendmsg+0x723/0xbe0 [ 2039.022959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2039.022959][ T10] ___sys_sendmsg+0xee/0x170 [ 2039.022959][ T10] __sys_sendmsg+0xcd/0x170 [ 2039.022959][ T10] do_syscall_64+0xc6/0x1e0 [ 2039.022959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2039.022959][ T10] [ 2039.025014][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2039.025014][ T10] netdev_get_by_index+0x5e/0x80 [ 2039.025014][ T10] fib6_nh_init+0x3d8/0x1580 [ 2039.025014][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2039.025014][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2039.025014][ T10] ipv6_add_addr+0x411/0x2000 [ 2039.025014][ T10] inet6_addr_add+0x30e/0xa40 [ 2039.025014][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2039.025014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2039.025014][ T10] netlink_rcv_skb+0x130/0x360 [ 2039.025014][ T10] netlink_unicast+0x449/0x710 [ 2039.025014][ T10] netlink_sendmsg+0x723/0xbe0 [ 2039.025014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2039.025014][ T10] ___sys_sendmsg+0xee/0x170 [ 2039.025014][ T10] __sys_sendmsg+0xcd/0x170 [ 2039.025014][ T10] do_syscall_64+0xc6/0x1e0 [ 2039.025014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2039.025014][ T10] [ 2039.027029][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2039.027029][ T10] netdev_get_by_index+0x5e/0x80 [ 2039.027029][ T10] fib6_nh_init+0x3d8/0x1580 [ 2039.027029][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2039.027029][ T10] ip6_route_add+0x1c/0x140 [ 2039.027029][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2039.027029][ T10] addrconf_add_dev+0xe2/0x170 [ 2039.027029][ T10] inet6_addr_add+0x12f/0xa40 [ 2039.027029][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2039.027029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2039.027029][ T10] netlink_rcv_skb+0x130/0x360 [ 2039.027029][ T10] netlink_unicast+0x449/0x710 [ 2039.027029][ T10] netlink_sendmsg+0x723/0xbe0 [ 2039.027029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2039.027029][ T10] ___sys_sendmsg+0xee/0x170 [ 2039.027029][ T10] __sys_sendmsg+0xcd/0x170 [ 2039.027029][ T10] do_syscall_64+0xc6/0x1e0 [ 2039.027029][ T10] [ 2039.029003][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2039.029003][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2039.029003][ T10] ipv6_find_idev+0x102/0x170 [ 2039.029003][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2039.029003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2039.029003][ T10] netlink_rcv_skb+0x130/0x360 [ 2039.029003][ T10] netlink_unicast+0x449/0x710 [ 2039.029003][ T10] netlink_sendmsg+0x723/0xbe0 [ 2039.029003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2039.029003][ T10] ___sys_sendmsg+0xee/0x170 [ 2039.029003][ T10] __sys_sendmsg+0xcd/0x170 [ 2039.029003][ T10] do_syscall_64+0xc6/0x1e0 [ 2039.029003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2039.029003][ T10] [ 2039.030563][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2039.030563][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2039.030563][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2039.030563][ T10] ipv6_find_idev+0x102/0x170 [ 2039.030563][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2039.030563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2039.030563][ T10] netlink_rcv_skb+0x130/0x360 [ 2039.030563][ T10] netlink_unicast+0x449/0x710 [ 2039.030563][ T10] netlink_sendmsg+0x723/0xbe0 [ 2039.030563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2039.030563][ T10] ___sys_sendmsg+0xee/0x170 [ 2039.030563][ T10] __sys_sendmsg+0xcd/0x170 [ 2039.030563][ T10] do_syscall_64+0xc6/0x1e0 [ 2039.030563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2039.030563][ T10] [ 2039.032254][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2039.032494][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2039.032494][ T10] netdev_get_by_index+0x5e/0x80 [ 2039.032494][ T10] fib6_nh_init+0x3d8/0x1580 [ 2039.032494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2039.032494][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2039.032494][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2039.032494][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2039.032494][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2039.032494][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2039.032494][ T10] addrconf_dad_begin+0x310/0x670 [ 2039.032494][ T10] addrconf_dad_work+0x10b/0xab0 [ 2039.032494][ T10] process_one_work+0x84d/0x18a0 [ 2039.032494][ T10] worker_thread+0x587/0xd30 [ 2039.032494][ T10] kthread+0x28a/0x350 [ 2039.032494][ T10] ret_from_fork+0x31/0x70 [ 2039.032494][ T10] ret_from_fork_asm+0x1a/0x30 [ 2039.032494][ T10] [ 2039.034385][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2039.034385][ T10] netdev_get_by_index+0x5e/0x80 [ 2039.034385][ T10] fib6_nh_init+0x3d8/0x1580 [ 2039.034385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2039.034385][ T10] ip6_route_add+0x1c/0x140 [ 2039.034385][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2039.034385][ T10] inet6_addr_add+0x4f8/0xa40 [ 2039.034385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2039.034385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2039.034385][ T10] netlink_rcv_skb+0x130/0x360 [ 2039.034385][ T10] netlink_unicast+0x449/0x710 [ 2039.034385][ T10] netlink_sendmsg+0x723/0xbe0 [ 2039.034385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2039.034385][ T10] ___sys_sendmsg+0xee/0x170 [ 2039.034385][ T10] __sys_sendmsg+0xcd/0x170 [ 2039.034385][ T10] do_syscall_64+0xc6/0x1e0 [ 2039.034385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2039.034385][ T10] [ 2039.036562][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2039.036562][ T10] netdev_get_by_index+0x5e/0x80 [ 2039.036562][ T10] fib6_nh_init+0x3d8/0x1580 [ 2039.036562][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2039.036562][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2039.036562][ T10] ipv6_add_addr+0x411/0x2000 [ 2039.036562][ T10] inet6_addr_add+0x30e/0xa40 [ 2039.036562][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2039.036562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2039.036562][ T10] netlink_rcv_skb+0x130/0x360 [ 2039.036562][ T10] netlink_unicast+0x449/0x710 [ 2039.036562][ T10] netlink_sendmsg+0x723/0xbe0 [ 2039.036562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2039.036562][ T10] ___sys_sendmsg+0xee/0x170 [ 2039.036562][ T10] __sys_sendmsg+0xcd/0x170 [ 2039.036562][ T10] do_syscall_64+0xc6/0x1e0 [ 2039.036562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2039.036562][ T10] [ 2039.038882][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2039.038882][ T10] netdev_get_by_index+0x5e/0x80 [ 2039.038882][ T10] fib6_nh_init+0x3d8/0x1580 [ 2039.038882][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2039.038882][ T10] ip6_route_add+0x1c/0x140 [ 2039.038882][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2039.038882][ T10] addrconf_add_dev+0xe2/0x170 [ 2039.038882][ T10] inet6_addr_add+0x12f/0xa40 [ 2039.038882][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2039.038882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2039.038882][ T10] netlink_rcv_skb+0x130/0x360 [ 2039.038882][ T10] netlink_unicast+0x449/0x710 [ 2039.038882][ T10] netlink_sendmsg+0x723/0xbe0 [ 2039.038882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2039.038882][ T10] ___sys_sendmsg+0xee/0x170 [ 2039.038882][ T10] __sys_sendmsg+0xcd/0x170 [ 2039.038882][ T10] do_syscall_64+0xc6/0x1e0 [ 2039.038882][ T10] [ 2039.041083][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2039.041083][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2039.041083][ T10] ipv6_find_idev+0x102/0x170 [ 2039.041083][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2039.041083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2039.041083][ T10] netlink_rcv_skb+0x130/0x360 [ 2039.041083][ T10] netlink_unicast+0x449/0x710 [ 2039.041083][ T10] netlink_sendmsg+0x723/0xbe0 [ 2039.041083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2039.041083][ T10] ___sys_sendmsg+0xee/0x170 [ 2039.041083][ T10] __sys_sendmsg+0xcd/0x170 [ 2039.041083][ T10] do_syscall_64+0xc6/0x1e0 [ 2039.041083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2039.041083][ T10] [ 2039.042732][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2039.042732][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2039.042732][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2039.042732][ T10] ipv6_find_idev+0x102/0x170 [ 2039.042732][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2039.042732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2039.042732][ T10] netlink_rcv_skb+0x130/0x360 [ 2039.042732][ T10] netlink_unicast+0x449/0x710 [ 2039.042732][ T10] netlink_sendmsg+0x723/0xbe0 [ 2039.042732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2039.042732][ T10] ___sys_sendmsg+0xee/0x170 [ 2039.042732][ T10] __sys_sendmsg+0xcd/0x170 [ 2039.042732][ T10] do_syscall_64+0xc6/0x1e0 [ 2039.042732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2039.042732][ T10] [ 2039.044674][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2039.044924][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2039.044924][ T10] netdev_get_by_index+0x5e/0x80 [ 2039.044924][ T10] fib6_nh_init+0x3d8/0x1580 [ 2039.044924][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2039.044924][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2039.044924][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2039.044924][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2039.044924][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2039.044924][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2039.044924][ T10] addrconf_dad_begin+0x310/0x670 [ 2039.044924][ T10] addrconf_dad_work+0x10b/0xab0 [ 2039.044924][ T10] process_one_work+0x84d/0x18a0 [ 2039.044924][ T10] worker_thread+0x587/0xd30 [ 2039.044924][ T10] kthread+0x28a/0x350 [ 2039.044924][ T10] ret_from_fork+0x31/0x70 [ 2039.044924][ T10] ret_from_fork_asm+0x1a/0x30 [ 2039.044924][ T10] [ 2039.047166][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2039.047166][ T10] netdev_get_by_index+0x5e/0x80 [ 2039.047166][ T10] fib6_nh_init+0x3d8/0x1580 [ 2039.047166][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2039.047166][ T10] ip6_route_add+0x1c/0x140 [ 2039.047166][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2039.047166][ T10] inet6_addr_add+0x4f8/0xa40 [ 2039.047166][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2039.047166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2039.047166][ T10] netlink_rcv_skb+0x130/0x360 [ 2039.047166][ T10] netlink_unicast+0x449/0x710 [ 2039.047166][ T10] netlink_sendmsg+0x723/0xbe0 [ 2039.047166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2039.047166][ T10] ___sys_sendmsg+0xee/0x170 [ 2039.047166][ T10] __sys_sendmsg+0xcd/0x170 [ 2039.047166][ T10] do_syscall_64+0xc6/0x1e0 [ 2039.047166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2039.047166][ T10] [ 2039.049401][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2039.049401][ T10] netdev_get_by_index+0x5e/0x80 [ 2039.049401][ T10] fib6_nh_init+0x3d8/0x1580 [ 2039.049401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2039.049401][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2039.049401][ T10] ipv6_add_addr+0x411/0x2000 [ 2039.049401][ T10] inet6_addr_add+0x30e/0xa40 [ 2039.049401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2039.049401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2039.049401][ T10] netlink_rcv_skb+0x130/0x360 [ 2039.049401][ T10] netlink_unicast+0x449/0x710 [ 2039.049401][ T10] netlink_sendmsg+0x723/0xbe0 [ 2039.049401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2039.049401][ T10] ___sys_sendmsg+0xee/0x170 [ 2039.049401][ T10] __sys_sendmsg+0xcd/0x170 [ 2039.049401][ T10] do_syscall_64+0xc6/0x1e0 [ 2039.049401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2039.049401][ T10] [ 2039.051683][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2039.051683][ T10] netdev_get_by_index+0x5e/0x80 [ 2039.051683][ T10] fib6_nh_init+0x3d8/0x1580 [ 2039.051683][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2039.051683][ T10] ip6_route_add+0x1c/0x140 [ 2039.051683][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2039.051683][ T10] addrconf_add_dev+0xe2/0x170 [ 2039.051683][ T10] inet6_addr_add+0x12f/0xa40 [ 2039.051683][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2039.051683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2039.051683][ T10] netlink_rcv_skb+0x130/0x360 [ 2039.051683][ T10] netlink_unicast+0x449/0x710 [ 2039.051683][ T10] netlink_sendmsg+0x723/0xbe0 [ 2039.051683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2039.051683][ T10] ___sys_sendmsg+0xee/0x170 [ 2039.051683][ T10] __sys_sendmsg+0xcd/0x170 [ 2039.051683][ T10] do_syscall_64+0xc6/0x1e0 [ 2039.051683][ T10] [ 2039.053868][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2039.053868][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2039.053868][ T10] ipv6_find_idev+0x102/0x170 [ 2039.053868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2039.053868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2039.053868][ T10] netlink_rcv_skb+0x130/0x360 [ 2039.053868][ T10] netlink_unicast+0x449/0x710 [ 2039.053868][ T10] netlink_sendmsg+0x723/0xbe0 [ 2039.053868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2039.053868][ T10] ___sys_sendmsg+0xee/0x170 [ 2039.053868][ T10] __sys_sendmsg+0xcd/0x170 [ 2039.053868][ T10] do_syscall_64+0xc6/0x1e0 [ 2039.053868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2039.053868][ T10] [ 2039.055579][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2039.055579][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2039.055579][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2039.055579][ T10] ipv6_find_idev+0x102/0x170 [ 2039.055579][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2039.055579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2039.055579][ T10] netlink_rcv_skb+0x130/0x360 [ 2039.055579][ T10] netlink_unicast+0x449/0x710 [ 2039.055579][ T10] netlink_sendmsg+0x723/0xbe0 [ 2039.055579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2039.055579][ T10] ___sys_sendmsg+0xee/0x170 [ 2039.055579][ T10] __sys_sendmsg+0xcd/0x170 [ 2039.055579][ T10] do_syscall_64+0xc6/0x1e0 [ 2039.055579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2039.055579][ T10] [ 2043.897165][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2043.897719][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2043.897719][ T1167] dst_init+0x84/0x4a0 [ 2043.897719][ T1167] dst_alloc+0x97/0x150 [ 2043.897719][ T1167] ip6_dst_alloc+0x23/0x90 [ 2043.897719][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2043.897719][ T1167] ip6_pol_route+0x56f/0x840 [ 2043.897719][ T1167] fib6_rule_lookup+0x334/0x630 [ 2043.897719][ T1167] ip6_route_output_flags+0x259/0x480 [ 2043.897719][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2043.897719][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2043.897719][ T1167] netlink_rcv_skb+0x130/0x360 [ 2043.897719][ T1167] netlink_unicast+0x449/0x710 [ 2043.897719][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2043.897719][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2043.897719][ T1167] ___sys_sendmsg+0xee/0x170 [ 2043.897719][ T1167] __sys_sendmsg+0xcd/0x170 [ 2043.897719][ T1167] do_syscall_64+0xc6/0x1e0 [ 2043.897719][ T1167] [ 2043.899930][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2043.899930][ T1167] netdev_get_by_index+0x5e/0x80 [ 2043.899930][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2043.899930][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2043.899930][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2043.899930][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2043.899930][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2043.899930][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2043.899930][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2043.899930][ T1167] addrconf_dad_begin+0x310/0x670 [ 2043.899930][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2043.899930][ T1167] process_one_work+0x84d/0x18a0 [ 2043.899930][ T1167] worker_thread+0x587/0xd30 [ 2043.899930][ T1167] kthread+0x28a/0x350 [ 2043.899930][ T1167] ret_from_fork+0x31/0x70 [ 2043.899930][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2043.899930][ T1167] [ 2043.902076][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2043.902076][ T1167] netdev_get_by_index+0x5e/0x80 [ 2043.902076][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2043.902076][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2043.902076][ T1167] ip6_route_add+0x1c/0x140 [ 2043.902076][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2043.902076][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2043.902076][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2043.902076][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.902076][ T1167] netlink_rcv_skb+0x130/0x360 [ 2043.902076][ T1167] netlink_unicast+0x449/0x710 [ 2043.902076][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2043.902076][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2043.902076][ T1167] ___sys_sendmsg+0xee/0x170 [ 2043.902076][ T1167] __sys_sendmsg+0xcd/0x170 [ 2043.902076][ T1167] do_syscall_64+0xc6/0x1e0 [ 2043.902076][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.902076][ T1167] [ 2043.904324][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2043.904324][ T1167] netdev_get_by_index+0x5e/0x80 [ 2043.904324][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2043.904324][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2043.904324][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2043.904324][ T1167] ipv6_add_addr+0x411/0x2000 [ 2043.904324][ T1167] inet6_addr_add+0x30e/0xa40 [ 2043.904324][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2043.904324][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.904324][ T1167] netlink_rcv_skb+0x130/0x360 [ 2043.904324][ T1167] netlink_unicast+0x449/0x710 [ 2043.904324][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2043.904324][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2043.904324][ T1167] ___sys_sendmsg+0xee/0x170 [ 2043.904324][ T1167] __sys_sendmsg+0xcd/0x170 [ 2043.904324][ T1167] do_syscall_64+0xc6/0x1e0 [ 2043.904324][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.904324][ T1167] [ 2043.906555][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2043.906555][ T1167] netdev_get_by_index+0x5e/0x80 [ 2043.906555][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2043.906555][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2043.906555][ T1167] ip6_route_add+0x1c/0x140 [ 2043.906555][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2043.906555][ T1167] addrconf_add_dev+0xe2/0x170 [ 2043.906555][ T1167] inet6_addr_add+0x12f/0xa40 [ 2043.906555][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2043.906555][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.906555][ T1167] netlink_rcv_skb+0x130/0x360 [ 2043.906555][ T1167] netlink_unicast+0x449/0x710 [ 2043.906555][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2043.906555][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2043.906555][ T1167] ___sys_sendmsg+0xee/0x170 [ 2043.906555][ T1167] __sys_sendmsg+0xcd/0x170 [ 2043.906555][ T1167] do_syscall_64+0xc6/0x1e0 [ 2043.906555][ T1167] [ 2043.908753][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2043.908753][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2043.908753][ T1167] ipv6_find_idev+0x102/0x170 [ 2043.908753][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2043.908753][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.908753][ T1167] netlink_rcv_skb+0x130/0x360 [ 2043.908753][ T1167] netlink_unicast+0x449/0x710 [ 2043.908753][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2043.908753][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2043.908753][ T1167] ___sys_sendmsg+0xee/0x170 [ 2043.908753][ T1167] __sys_sendmsg+0xcd/0x170 [ 2043.908753][ T1167] do_syscall_64+0xc6/0x1e0 [ 2043.908753][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.908753][ T1167] [ 2043.910471][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2043.910471][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2043.910471][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2043.910471][ T1167] ipv6_find_idev+0x102/0x170 [ 2043.910471][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2043.910471][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.910471][ T1167] netlink_rcv_skb+0x130/0x360 [ 2043.910471][ T1167] netlink_unicast+0x449/0x710 [ 2043.910471][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2043.910471][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2043.910471][ T1167] ___sys_sendmsg+0xee/0x170 [ 2043.910471][ T1167] __sys_sendmsg+0xcd/0x170 [ 2043.910471][ T1167] do_syscall_64+0xc6/0x1e0 [ 2043.910471][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.910471][ T1167] [ 2049.289156][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2049.289560][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2049.289560][ T10] netdev_get_by_index+0x5e/0x80 [ 2049.289560][ T10] fib6_nh_init+0x3d8/0x1580 [ 2049.289560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2049.289560][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2049.289560][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2049.289560][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2049.289560][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2049.289560][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2049.289560][ T10] addrconf_dad_begin+0x310/0x670 [ 2049.289560][ T10] addrconf_dad_work+0x10b/0xab0 [ 2049.289560][ T10] process_one_work+0x84d/0x18a0 [ 2049.289560][ T10] worker_thread+0x587/0xd30 [ 2049.289560][ T10] kthread+0x28a/0x350 [ 2049.289560][ T10] ret_from_fork+0x31/0x70 [ 2049.289560][ T10] ret_from_fork_asm+0x1a/0x30 [ 2049.289560][ T10] [ 2049.291516][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2049.291516][ T10] netdev_get_by_index+0x5e/0x80 [ 2049.291516][ T10] fib6_nh_init+0x3d8/0x1580 [ 2049.291516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2049.291516][ T10] ip6_route_add+0x1c/0x140 [ 2049.291516][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2049.291516][ T10] inet6_addr_add+0x4f8/0xa40 [ 2049.291516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2049.291516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2049.291516][ T10] netlink_rcv_skb+0x130/0x360 [ 2049.291516][ T10] netlink_unicast+0x449/0x710 [ 2049.291516][ T10] netlink_sendmsg+0x723/0xbe0 [ 2049.291516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2049.291516][ T10] ___sys_sendmsg+0xee/0x170 [ 2049.291516][ T10] __sys_sendmsg+0xcd/0x170 [ 2049.291516][ T10] do_syscall_64+0xc6/0x1e0 [ 2049.291516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2049.291516][ T10] [ 2049.293545][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2049.293545][ T10] netdev_get_by_index+0x5e/0x80 [ 2049.293545][ T10] fib6_nh_init+0x3d8/0x1580 [ 2049.293545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2049.293545][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2049.293545][ T10] ipv6_add_addr+0x411/0x2000 [ 2049.293545][ T10] inet6_addr_add+0x30e/0xa40 [ 2049.293545][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2049.293545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2049.293545][ T10] netlink_rcv_skb+0x130/0x360 [ 2049.293545][ T10] netlink_unicast+0x449/0x710 [ 2049.293545][ T10] netlink_sendmsg+0x723/0xbe0 [ 2049.293545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2049.293545][ T10] ___sys_sendmsg+0xee/0x170 [ 2049.293545][ T10] __sys_sendmsg+0xcd/0x170 [ 2049.293545][ T10] do_syscall_64+0xc6/0x1e0 [ 2049.293545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2049.293545][ T10] [ 2049.295564][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2049.295564][ T10] netdev_get_by_index+0x5e/0x80 [ 2049.295564][ T10] fib6_nh_init+0x3d8/0x1580 [ 2049.295564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2049.295564][ T10] ip6_route_add+0x1c/0x140 [ 2049.295564][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2049.295564][ T10] addrconf_add_dev+0xe2/0x170 [ 2049.295564][ T10] inet6_addr_add+0x12f/0xa40 [ 2049.295564][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2049.295564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2049.295564][ T10] netlink_rcv_skb+0x130/0x360 [ 2049.295564][ T10] netlink_unicast+0x449/0x710 [ 2049.295564][ T10] netlink_sendmsg+0x723/0xbe0 [ 2049.295564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2049.295564][ T10] ___sys_sendmsg+0xee/0x170 [ 2049.295564][ T10] __sys_sendmsg+0xcd/0x170 [ 2049.295564][ T10] do_syscall_64+0xc6/0x1e0 [ 2049.295564][ T10] [ 2049.297537][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2049.297537][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2049.297537][ T10] ipv6_find_idev+0x102/0x170 [ 2049.297537][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2049.297537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2049.297537][ T10] netlink_rcv_skb+0x130/0x360 [ 2049.297537][ T10] netlink_unicast+0x449/0x710 [ 2049.297537][ T10] netlink_sendmsg+0x723/0xbe0 [ 2049.297537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2049.297537][ T10] ___sys_sendmsg+0xee/0x170 [ 2049.297537][ T10] __sys_sendmsg+0xcd/0x170 [ 2049.297537][ T10] do_syscall_64+0xc6/0x1e0 [ 2049.297537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2049.297537][ T10] [ 2049.299095][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2049.299095][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2049.299095][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2049.299095][ T10] ipv6_find_idev+0x102/0x170 [ 2049.299095][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2049.299095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2049.299095][ T10] netlink_rcv_skb+0x130/0x360 [ 2049.299095][ T10] netlink_unicast+0x449/0x710 [ 2049.299095][ T10] netlink_sendmsg+0x723/0xbe0 [ 2049.299095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2049.299095][ T10] ___sys_sendmsg+0xee/0x170 [ 2049.299095][ T10] __sys_sendmsg+0xcd/0x170 [ 2049.299095][ T10] do_syscall_64+0xc6/0x1e0 [ 2049.299095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2049.299095][ T10] [ 2049.300802][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2049.301177][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2049.301177][ T10] netdev_get_by_index+0x5e/0x80 [ 2049.301177][ T10] fib6_nh_init+0x3d8/0x1580 [ 2049.301177][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2049.301177][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2049.301177][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2049.301177][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2049.301177][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2049.301177][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2049.301177][ T10] addrconf_dad_begin+0x310/0x670 [ 2049.301177][ T10] addrconf_dad_work+0x10b/0xab0 [ 2049.301177][ T10] process_one_work+0x84d/0x18a0 [ 2049.301177][ T10] worker_thread+0x587/0xd30 [ 2049.301177][ T10] kthread+0x28a/0x350 [ 2049.301177][ T10] ret_from_fork+0x31/0x70 [ 2049.301177][ T10] ret_from_fork_asm+0x1a/0x30 [ 2049.301177][ T10] [ 2049.303105][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2049.303105][ T10] netdev_get_by_index+0x5e/0x80 [ 2049.303105][ T10] fib6_nh_init+0x3d8/0x1580 [ 2049.303105][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2049.303105][ T10] ip6_route_add+0x1c/0x140 [ 2049.303105][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2049.303105][ T10] inet6_addr_add+0x4f8/0xa40 [ 2049.303105][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2049.303105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2049.303105][ T10] netlink_rcv_skb+0x130/0x360 [ 2049.303105][ T10] netlink_unicast+0x449/0x710 [ 2049.303105][ T10] netlink_sendmsg+0x723/0xbe0 [ 2049.303105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2049.303105][ T10] ___sys_sendmsg+0xee/0x170 [ 2049.303105][ T10] __sys_sendmsg+0xcd/0x170 [ 2049.303105][ T10] do_syscall_64+0xc6/0x1e0 [ 2049.303105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2049.303105][ T10] [ 2049.305108][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2049.305108][ T10] netdev_get_by_index+0x5e/0x80 [ 2049.305108][ T10] fib6_nh_init+0x3d8/0x1580 [ 2049.305108][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2049.305108][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2049.305108][ T10] ipv6_add_addr+0x411/0x2000 [ 2049.305108][ T10] inet6_addr_add+0x30e/0xa40 [ 2049.305108][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2049.305108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2049.305108][ T10] netlink_rcv_skb+0x130/0x360 [ 2049.305108][ T10] netlink_unicast+0x449/0x710 [ 2049.305108][ T10] netlink_sendmsg+0x723/0xbe0 [ 2049.305108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2049.305108][ T10] ___sys_sendmsg+0xee/0x170 [ 2049.305108][ T10] __sys_sendmsg+0xcd/0x170 [ 2049.305108][ T10] do_syscall_64+0xc6/0x1e0 [ 2049.305108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2049.305108][ T10] [ 2049.307119][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2049.307119][ T10] netdev_get_by_index+0x5e/0x80 [ 2049.307119][ T10] fib6_nh_init+0x3d8/0x1580 [ 2049.307119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2049.307119][ T10] ip6_route_add+0x1c/0x140 [ 2049.307119][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2049.307119][ T10] addrconf_add_dev+0xe2/0x170 [ 2049.307119][ T10] inet6_addr_add+0x12f/0xa40 [ 2049.307119][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2049.307119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2049.307119][ T10] netlink_rcv_skb+0x130/0x360 [ 2049.307119][ T10] netlink_unicast+0x449/0x710 [ 2049.307119][ T10] netlink_sendmsg+0x723/0xbe0 [ 2049.307119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2049.307119][ T10] ___sys_sendmsg+0xee/0x170 [ 2049.307119][ T10] __sys_sendmsg+0xcd/0x170 [ 2049.307119][ T10] do_syscall_64+0xc6/0x1e0 [ 2049.307119][ T10] [ 2049.309100][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2049.309100][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2049.309100][ T10] ipv6_find_idev+0x102/0x170 [ 2049.309100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2049.309100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2049.309100][ T10] netlink_rcv_skb+0x130/0x360 [ 2049.309100][ T10] netlink_unicast+0x449/0x710 [ 2049.309100][ T10] netlink_sendmsg+0x723/0xbe0 [ 2049.309100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2049.309100][ T10] ___sys_sendmsg+0xee/0x170 [ 2049.309100][ T10] __sys_sendmsg+0xcd/0x170 [ 2049.309100][ T10] do_syscall_64+0xc6/0x1e0 [ 2049.309100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2049.309100][ T10] [ 2049.310643][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2049.310643][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2049.310643][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2049.310643][ T10] ipv6_find_idev+0x102/0x170 [ 2049.310643][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2049.310643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2049.310643][ T10] netlink_rcv_skb+0x130/0x360 [ 2049.310643][ T10] netlink_unicast+0x449/0x710 [ 2049.310643][ T10] netlink_sendmsg+0x723/0xbe0 [ 2049.310643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2049.310643][ T10] ___sys_sendmsg+0xee/0x170 [ 2049.310643][ T10] __sys_sendmsg+0xcd/0x170 [ 2049.310643][ T10] do_syscall_64+0xc6/0x1e0 [ 2049.310643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2049.310643][ T10] [ 2049.312345][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2049.312596][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2049.312596][ T10] netdev_get_by_index+0x5e/0x80 [ 2049.312596][ T10] fib6_nh_init+0x3d8/0x1580 [ 2049.312596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2049.312596][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2049.312596][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2049.312596][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2049.312596][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2049.312596][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2049.312596][ T10] addrconf_dad_begin+0x310/0x670 [ 2049.312596][ T10] addrconf_dad_work+0x10b/0xab0 [ 2049.312596][ T10] process_one_work+0x84d/0x18a0 [ 2049.312596][ T10] worker_thread+0x587/0xd30 [ 2049.312596][ T10] kthread+0x28a/0x350 [ 2049.312596][ T10] ret_from_fork+0x31/0x70 [ 2049.312596][ T10] ret_from_fork_asm+0x1a/0x30 [ 2049.312596][ T10] [ 2049.314512][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2049.314512][ T10] netdev_get_by_index+0x5e/0x80 [ 2049.314512][ T10] fib6_nh_init+0x3d8/0x1580 [ 2049.314512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2049.314512][ T10] ip6_route_add+0x1c/0x140 [ 2049.314512][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2049.314512][ T10] inet6_addr_add+0x4f8/0xa40 [ 2049.314512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2049.314512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2049.314512][ T10] netlink_rcv_skb+0x130/0x360 [ 2049.314512][ T10] netlink_unicast+0x449/0x710 [ 2049.314512][ T10] netlink_sendmsg+0x723/0xbe0 [ 2049.314512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2049.314512][ T10] ___sys_sendmsg+0xee/0x170 [ 2049.314512][ T10] __sys_sendmsg+0xcd/0x170 [ 2049.314512][ T10] do_syscall_64+0xc6/0x1e0 [ 2049.314512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2049.314512][ T10] [ 2049.316699][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2049.316699][ T10] netdev_get_by_index+0x5e/0x80 [ 2049.316699][ T10] fib6_nh_init+0x3d8/0x1580 [ 2049.316699][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2049.316699][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2049.316699][ T10] ipv6_add_addr+0x411/0x2000 [ 2049.316699][ T10] inet6_addr_add+0x30e/0xa40 [ 2049.316699][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2049.316699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2049.316699][ T10] netlink_rcv_skb+0x130/0x360 [ 2049.316699][ T10] netlink_unicast+0x449/0x710 [ 2049.316699][ T10] netlink_sendmsg+0x723/0xbe0 [ 2049.316699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2049.316699][ T10] ___sys_sendmsg+0xee/0x170 [ 2049.316699][ T10] __sys_sendmsg+0xcd/0x170 [ 2049.316699][ T10] do_syscall_64+0xc6/0x1e0 [ 2049.316699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2049.316699][ T10] [ 2049.319037][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2049.319037][ T10] netdev_get_by_index+0x5e/0x80 [ 2049.319037][ T10] fib6_nh_init+0x3d8/0x1580 [ 2049.319037][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2049.319037][ T10] ip6_route_add+0x1c/0x140 [ 2049.319037][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2049.319037][ T10] addrconf_add_dev+0xe2/0x170 [ 2049.319037][ T10] inet6_addr_add+0x12f/0xa40 [ 2049.319037][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2049.319037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2049.319037][ T10] netlink_rcv_skb+0x130/0x360 [ 2049.319037][ T10] netlink_unicast+0x449/0x710 [ 2049.319037][ T10] netlink_sendmsg+0x723/0xbe0 [ 2049.319037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2049.319037][ T10] ___sys_sendmsg+0xee/0x170 [ 2049.319037][ T10] __sys_sendmsg+0xcd/0x170 [ 2049.319037][ T10] do_syscall_64+0xc6/0x1e0 [ 2049.319037][ T10] [ 2049.321248][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2049.321248][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2049.321248][ T10] ipv6_find_idev+0x102/0x170 [ 2049.321248][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2049.321248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2049.321248][ T10] netlink_rcv_skb+0x130/0x360 [ 2049.321248][ T10] netlink_unicast+0x449/0x710 [ 2049.321248][ T10] netlink_sendmsg+0x723/0xbe0 [ 2049.321248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2049.321248][ T10] ___sys_sendmsg+0xee/0x170 [ 2049.321248][ T10] __sys_sendmsg+0xcd/0x170 [ 2049.321248][ T10] do_syscall_64+0xc6/0x1e0 [ 2049.321248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2049.321248][ T10] [ 2049.322968][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2049.322968][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2049.322968][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2049.322968][ T10] ipv6_find_idev+0x102/0x170 [ 2049.322968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2049.322968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2049.322968][ T10] netlink_rcv_skb+0x130/0x360 [ 2049.322968][ T10] netlink_unicast+0x449/0x710 [ 2049.322968][ T10] netlink_sendmsg+0x723/0xbe0 [ 2049.322968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2049.322968][ T10] ___sys_sendmsg+0xee/0x170 [ 2049.322968][ T10] __sys_sendmsg+0xcd/0x170 [ 2049.322968][ T10] do_syscall_64+0xc6/0x1e0 [ 2049.322968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2049.322968][ T10] [ 2049.324790][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2049.325035][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2049.325035][ T10] netdev_get_by_index+0x5e/0x80 [ 2049.325035][ T10] fib6_nh_init+0x3d8/0x1580 [ 2049.325035][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2049.325035][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2049.325035][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2049.325035][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2049.325035][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2049.325035][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2049.325035][ T10] addrconf_dad_begin+0x310/0x670 [ 2049.325035][ T10] addrconf_dad_work+0x10b/0xab0 [ 2049.325035][ T10] process_one_work+0x84d/0x18a0 [ 2049.325035][ T10] worker_thread+0x587/0xd30 [ 2049.325035][ T10] kthread+0x28a/0x350 [ 2049.325035][ T10] ret_from_fork+0x31/0x70 [ 2049.325035][ T10] ret_from_fork_asm+0x1a/0x30 [ 2049.325035][ T10] [ 2049.327247][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2049.327247][ T10] netdev_get_by_index+0x5e/0x80 [ 2049.327247][ T10] fib6_nh_init+0x3d8/0x1580 [ 2049.327247][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2049.327247][ T10] ip6_route_add+0x1c/0x140 [ 2049.327247][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2049.327247][ T10] inet6_addr_add+0x4f8/0xa40 [ 2049.327247][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2049.327247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2049.327247][ T10] netlink_rcv_skb+0x130/0x360 [ 2049.327247][ T10] netlink_unicast+0x449/0x710 [ 2049.327247][ T10] netlink_sendmsg+0x723/0xbe0 [ 2049.327247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2049.327247][ T10] ___sys_sendmsg+0xee/0x170 [ 2049.327247][ T10] __sys_sendmsg+0xcd/0x170 [ 2049.327247][ T10] do_syscall_64+0xc6/0x1e0 [ 2049.327247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2049.327247][ T10] [ 2049.329503][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2049.329503][ T10] netdev_get_by_index+0x5e/0x80 [ 2049.329503][ T10] fib6_nh_init+0x3d8/0x1580 [ 2049.329503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2049.329503][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2049.329503][ T10] ipv6_add_addr+0x411/0x2000 [ 2049.329503][ T10] inet6_addr_add+0x30e/0xa40 [ 2049.329503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2049.329503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2049.329503][ T10] netlink_rcv_skb+0x130/0x360 [ 2049.329503][ T10] netlink_unicast+0x449/0x710 [ 2049.329503][ T10] netlink_sendmsg+0x723/0xbe0 [ 2049.329503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2049.329503][ T10] ___sys_sendmsg+0xee/0x170 [ 2049.329503][ T10] __sys_sendmsg+0xcd/0x170 [ 2049.329503][ T10] do_syscall_64+0xc6/0x1e0 [ 2049.329503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2049.329503][ T10] [ 2049.331747][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2049.331747][ T10] netdev_get_by_index+0x5e/0x80 [ 2049.331747][ T10] fib6_nh_init+0x3d8/0x1580 [ 2049.331747][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2049.331747][ T10] ip6_route_add+0x1c/0x140 [ 2049.331747][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2049.331747][ T10] addrconf_add_dev+0xe2/0x170 [ 2049.331747][ T10] inet6_addr_add+0x12f/0xa40 [ 2049.331747][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2049.331747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2049.331747][ T10] netlink_rcv_skb+0x130/0x360 [ 2049.331747][ T10] netlink_unicast+0x449/0x710 [ 2049.331747][ T10] netlink_sendmsg+0x723/0xbe0 [ 2049.331747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2049.331747][ T10] ___sys_sendmsg+0xee/0x170 [ 2049.331747][ T10] __sys_sendmsg+0xcd/0x170 [ 2049.331747][ T10] do_syscall_64+0xc6/0x1e0 [ 2049.331747][ T10] [ 2049.333902][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2049.333902][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2049.333902][ T10] ipv6_find_idev+0x102/0x170 [ 2049.333902][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2049.333902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2049.333902][ T10] netlink_rcv_skb+0x130/0x360 [ 2049.333902][ T10] netlink_unicast+0x449/0x710 [ 2049.333902][ T10] netlink_sendmsg+0x723/0xbe0 [ 2049.333902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2049.333902][ T10] ___sys_sendmsg+0xee/0x170 [ 2049.333902][ T10] __sys_sendmsg+0xcd/0x170 [ 2049.333902][ T10] do_syscall_64+0xc6/0x1e0 [ 2049.333902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2049.333902][ T10] [ 2049.335630][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2049.335630][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2049.335630][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2049.335630][ T10] ipv6_find_idev+0x102/0x170 [ 2049.335630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2049.335630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2049.335630][ T10] netlink_rcv_skb+0x130/0x360 [ 2049.335630][ T10] netlink_unicast+0x449/0x710 [ 2049.335630][ T10] netlink_sendmsg+0x723/0xbe0 [ 2049.335630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2049.335630][ T10] ___sys_sendmsg+0xee/0x170 [ 2049.335630][ T10] __sys_sendmsg+0xcd/0x170 [ 2049.335630][ T10] do_syscall_64+0xc6/0x1e0 [ 2049.335630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2049.335630][ T10] [ 2054.153185][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2054.153654][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2054.153654][ T1167] dst_init+0x84/0x4a0 [ 2054.153654][ T1167] dst_alloc+0x97/0x150 [ 2054.153654][ T1167] ip6_dst_alloc+0x23/0x90 [ 2054.153654][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2054.153654][ T1167] ip6_pol_route+0x56f/0x840 [ 2054.153654][ T1167] fib6_rule_lookup+0x334/0x630 [ 2054.153654][ T1167] ip6_route_output_flags+0x259/0x480 [ 2054.153654][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2054.153654][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2054.153654][ T1167] netlink_rcv_skb+0x130/0x360 [ 2054.153654][ T1167] netlink_unicast+0x449/0x710 [ 2054.153654][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2054.153654][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2054.153654][ T1167] ___sys_sendmsg+0xee/0x170 [ 2054.153654][ T1167] __sys_sendmsg+0xcd/0x170 [ 2054.153654][ T1167] do_syscall_64+0xc6/0x1e0 [ 2054.153654][ T1167] [ 2054.155918][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2054.155918][ T1167] netdev_get_by_index+0x5e/0x80 [ 2054.155918][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2054.155918][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2054.155918][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2054.155918][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2054.155918][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2054.155918][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2054.155918][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2054.155918][ T1167] addrconf_dad_begin+0x310/0x670 [ 2054.155918][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2054.155918][ T1167] process_one_work+0x84d/0x18a0 [ 2054.155918][ T1167] worker_thread+0x587/0xd30 [ 2054.155918][ T1167] kthread+0x28a/0x350 [ 2054.155918][ T1167] ret_from_fork+0x31/0x70 [ 2054.155918][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2054.155918][ T1167] [ 2054.158099][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2054.158099][ T1167] netdev_get_by_index+0x5e/0x80 [ 2054.158099][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2054.158099][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2054.158099][ T1167] ip6_route_add+0x1c/0x140 [ 2054.158099][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2054.158099][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2054.158099][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2054.158099][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2054.158099][ T1167] netlink_rcv_skb+0x130/0x360 [ 2054.158099][ T1167] netlink_unicast+0x449/0x710 [ 2054.158099][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2054.158099][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2054.158099][ T1167] ___sys_sendmsg+0xee/0x170 [ 2054.158099][ T1167] __sys_sendmsg+0xcd/0x170 [ 2054.158099][ T1167] do_syscall_64+0xc6/0x1e0 [ 2054.158099][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2054.158099][ T1167] [ 2054.160391][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2054.160391][ T1167] netdev_get_by_index+0x5e/0x80 [ 2054.160391][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2054.160391][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2054.160391][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2054.160391][ T1167] ipv6_add_addr+0x411/0x2000 [ 2054.160391][ T1167] inet6_addr_add+0x30e/0xa40 [ 2054.160391][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2054.160391][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2054.160391][ T1167] netlink_rcv_skb+0x130/0x360 [ 2054.160391][ T1167] netlink_unicast+0x449/0x710 [ 2054.160391][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2054.160391][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2054.160391][ T1167] ___sys_sendmsg+0xee/0x170 [ 2054.160391][ T1167] __sys_sendmsg+0xcd/0x170 [ 2054.160391][ T1167] do_syscall_64+0xc6/0x1e0 [ 2054.160391][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2054.160391][ T1167] [ 2054.162631][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2054.162631][ T1167] netdev_get_by_index+0x5e/0x80 [ 2054.162631][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2054.162631][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2054.162631][ T1167] ip6_route_add+0x1c/0x140 [ 2054.162631][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2054.162631][ T1167] addrconf_add_dev+0xe2/0x170 [ 2054.162631][ T1167] inet6_addr_add+0x12f/0xa40 [ 2054.162631][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2054.162631][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2054.162631][ T1167] netlink_rcv_skb+0x130/0x360 [ 2054.162631][ T1167] netlink_unicast+0x449/0x710 [ 2054.162631][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2054.162631][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2054.162631][ T1167] ___sys_sendmsg+0xee/0x170 [ 2054.162631][ T1167] __sys_sendmsg+0xcd/0x170 [ 2054.162631][ T1167] do_syscall_64+0xc6/0x1e0 [ 2054.162631][ T1167] [ 2054.164828][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2054.164828][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2054.164828][ T1167] ipv6_find_idev+0x102/0x170 [ 2054.164828][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2054.164828][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2054.164828][ T1167] netlink_rcv_skb+0x130/0x360 [ 2054.164828][ T1167] netlink_unicast+0x449/0x710 [ 2054.164828][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2054.164828][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2054.164828][ T1167] ___sys_sendmsg+0xee/0x170 [ 2054.164828][ T1167] __sys_sendmsg+0xcd/0x170 [ 2054.164828][ T1167] do_syscall_64+0xc6/0x1e0 [ 2054.164828][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2054.164828][ T1167] [ 2054.166554][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2054.166554][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2054.166554][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2054.166554][ T1167] ipv6_find_idev+0x102/0x170 [ 2054.166554][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2054.166554][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2054.166554][ T1167] netlink_rcv_skb+0x130/0x360 [ 2054.166554][ T1167] netlink_unicast+0x449/0x710 [ 2054.166554][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2054.166554][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2054.166554][ T1167] ___sys_sendmsg+0xee/0x170 [ 2054.166554][ T1167] __sys_sendmsg+0xcd/0x170 [ 2054.166554][ T1167] do_syscall_64+0xc6/0x1e0 [ 2054.166554][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2054.166554][ T1167] [ 2059.529107][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2059.529510][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2059.529510][ T10] netdev_get_by_index+0x5e/0x80 [ 2059.529510][ T10] fib6_nh_init+0x3d8/0x1580 [ 2059.529510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2059.529510][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2059.529510][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2059.529510][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2059.529510][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2059.529510][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2059.529510][ T10] addrconf_dad_begin+0x310/0x670 [ 2059.529510][ T10] addrconf_dad_work+0x10b/0xab0 [ 2059.529510][ T10] process_one_work+0x84d/0x18a0 [ 2059.529510][ T10] worker_thread+0x587/0xd30 [ 2059.529510][ T10] kthread+0x28a/0x350 [ 2059.529510][ T10] ret_from_fork+0x31/0x70 [ 2059.529510][ T10] ret_from_fork_asm+0x1a/0x30 [ 2059.529510][ T10] [ 2059.531495][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2059.531495][ T10] netdev_get_by_index+0x5e/0x80 [ 2059.531495][ T10] fib6_nh_init+0x3d8/0x1580 [ 2059.531495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2059.531495][ T10] ip6_route_add+0x1c/0x140 [ 2059.531495][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2059.531495][ T10] inet6_addr_add+0x4f8/0xa40 [ 2059.531495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2059.531495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2059.531495][ T10] netlink_rcv_skb+0x130/0x360 [ 2059.531495][ T10] netlink_unicast+0x449/0x710 [ 2059.531495][ T10] netlink_sendmsg+0x723/0xbe0 [ 2059.531495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2059.531495][ T10] ___sys_sendmsg+0xee/0x170 [ 2059.531495][ T10] __sys_sendmsg+0xcd/0x170 [ 2059.531495][ T10] do_syscall_64+0xc6/0x1e0 [ 2059.531495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2059.531495][ T10] [ 2059.533571][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2059.533571][ T10] netdev_get_by_index+0x5e/0x80 [ 2059.533571][ T10] fib6_nh_init+0x3d8/0x1580 [ 2059.533571][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2059.533571][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2059.533571][ T10] ipv6_add_addr+0x411/0x2000 [ 2059.533571][ T10] inet6_addr_add+0x30e/0xa40 [ 2059.533571][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2059.533571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2059.533571][ T10] netlink_rcv_skb+0x130/0x360 [ 2059.533571][ T10] netlink_unicast+0x449/0x710 [ 2059.533571][ T10] netlink_sendmsg+0x723/0xbe0 [ 2059.533571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2059.533571][ T10] ___sys_sendmsg+0xee/0x170 [ 2059.533571][ T10] __sys_sendmsg+0xcd/0x170 [ 2059.533571][ T10] do_syscall_64+0xc6/0x1e0 [ 2059.533571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2059.533571][ T10] [ 2059.535588][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2059.535588][ T10] netdev_get_by_index+0x5e/0x80 [ 2059.535588][ T10] fib6_nh_init+0x3d8/0x1580 [ 2059.535588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2059.535588][ T10] ip6_route_add+0x1c/0x140 [ 2059.535588][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2059.535588][ T10] addrconf_add_dev+0xe2/0x170 [ 2059.535588][ T10] inet6_addr_add+0x12f/0xa40 [ 2059.535588][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2059.535588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2059.535588][ T10] netlink_rcv_skb+0x130/0x360 [ 2059.535588][ T10] netlink_unicast+0x449/0x710 [ 2059.535588][ T10] netlink_sendmsg+0x723/0xbe0 [ 2059.535588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2059.535588][ T10] ___sys_sendmsg+0xee/0x170 [ 2059.535588][ T10] __sys_sendmsg+0xcd/0x170 [ 2059.535588][ T10] do_syscall_64+0xc6/0x1e0 [ 2059.535588][ T10] [ 2059.537583][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2059.537583][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2059.537583][ T10] ipv6_find_idev+0x102/0x170 [ 2059.537583][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2059.537583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2059.537583][ T10] netlink_rcv_skb+0x130/0x360 [ 2059.537583][ T10] netlink_unicast+0x449/0x710 [ 2059.537583][ T10] netlink_sendmsg+0x723/0xbe0 [ 2059.537583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2059.537583][ T10] ___sys_sendmsg+0xee/0x170 [ 2059.537583][ T10] __sys_sendmsg+0xcd/0x170 [ 2059.537583][ T10] do_syscall_64+0xc6/0x1e0 [ 2059.537583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2059.537583][ T10] [ 2059.539149][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2059.539149][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2059.539149][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2059.539149][ T10] ipv6_find_idev+0x102/0x170 [ 2059.539149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2059.539149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2059.539149][ T10] netlink_rcv_skb+0x130/0x360 [ 2059.539149][ T10] netlink_unicast+0x449/0x710 [ 2059.539149][ T10] netlink_sendmsg+0x723/0xbe0 [ 2059.539149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2059.539149][ T10] ___sys_sendmsg+0xee/0x170 [ 2059.539149][ T10] __sys_sendmsg+0xcd/0x170 [ 2059.539149][ T10] do_syscall_64+0xc6/0x1e0 [ 2059.539149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2059.539149][ T10] [ 2059.540903][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2059.541175][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2059.541175][ T10] netdev_get_by_index+0x5e/0x80 [ 2059.541175][ T10] fib6_nh_init+0x3d8/0x1580 [ 2059.541175][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2059.541175][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2059.541175][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2059.541175][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2059.541175][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2059.541175][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2059.541175][ T10] addrconf_dad_begin+0x310/0x670 [ 2059.541175][ T10] addrconf_dad_work+0x10b/0xab0 [ 2059.541175][ T10] process_one_work+0x84d/0x18a0 [ 2059.541175][ T10] worker_thread+0x587/0xd30 [ 2059.541175][ T10] kthread+0x28a/0x350 [ 2059.541175][ T10] ret_from_fork+0x31/0x70 [ 2059.541175][ T10] ret_from_fork_asm+0x1a/0x30 [ 2059.541175][ T10] [ 2059.543128][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2059.543128][ T10] netdev_get_by_index+0x5e/0x80 [ 2059.543128][ T10] fib6_nh_init+0x3d8/0x1580 [ 2059.543128][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2059.543128][ T10] ip6_route_add+0x1c/0x140 [ 2059.543128][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2059.543128][ T10] inet6_addr_add+0x4f8/0xa40 [ 2059.543128][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2059.543128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2059.543128][ T10] netlink_rcv_skb+0x130/0x360 [ 2059.543128][ T10] netlink_unicast+0x449/0x710 [ 2059.543128][ T10] netlink_sendmsg+0x723/0xbe0 [ 2059.543128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2059.543128][ T10] ___sys_sendmsg+0xee/0x170 [ 2059.543128][ T10] __sys_sendmsg+0xcd/0x170 [ 2059.543128][ T10] do_syscall_64+0xc6/0x1e0 [ 2059.543128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2059.543128][ T10] [ 2059.545166][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2059.545166][ T10] netdev_get_by_index+0x5e/0x80 [ 2059.545166][ T10] fib6_nh_init+0x3d8/0x1580 [ 2059.545166][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2059.545166][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2059.545166][ T10] ipv6_add_addr+0x411/0x2000 [ 2059.545166][ T10] inet6_addr_add+0x30e/0xa40 [ 2059.545166][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2059.545166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2059.545166][ T10] netlink_rcv_skb+0x130/0x360 [ 2059.545166][ T10] netlink_unicast+0x449/0x710 [ 2059.545166][ T10] netlink_sendmsg+0x723/0xbe0 [ 2059.545166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2059.545166][ T10] ___sys_sendmsg+0xee/0x170 [ 2059.545166][ T10] __sys_sendmsg+0xcd/0x170 [ 2059.545166][ T10] do_syscall_64+0xc6/0x1e0 [ 2059.545166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2059.545166][ T10] [ 2059.547210][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2059.547210][ T10] netdev_get_by_index+0x5e/0x80 [ 2059.547210][ T10] fib6_nh_init+0x3d8/0x1580 [ 2059.547210][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2059.547210][ T10] ip6_route_add+0x1c/0x140 [ 2059.547210][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2059.547210][ T10] addrconf_add_dev+0xe2/0x170 [ 2059.547210][ T10] inet6_addr_add+0x12f/0xa40 [ 2059.547210][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2059.547210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2059.547210][ T10] netlink_rcv_skb+0x130/0x360 [ 2059.547210][ T10] netlink_unicast+0x449/0x710 [ 2059.547210][ T10] netlink_sendmsg+0x723/0xbe0 [ 2059.547210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2059.547210][ T10] ___sys_sendmsg+0xee/0x170 [ 2059.547210][ T10] __sys_sendmsg+0xcd/0x170 [ 2059.547210][ T10] do_syscall_64+0xc6/0x1e0 [ 2059.547210][ T10] [ 2059.549233][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2059.549233][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2059.549233][ T10] ipv6_find_idev+0x102/0x170 [ 2059.549233][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2059.549233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2059.549233][ T10] netlink_rcv_skb+0x130/0x360 [ 2059.549233][ T10] netlink_unicast+0x449/0x710 [ 2059.549233][ T10] netlink_sendmsg+0x723/0xbe0 [ 2059.549233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2059.549233][ T10] ___sys_sendmsg+0xee/0x170 [ 2059.549233][ T10] __sys_sendmsg+0xcd/0x170 [ 2059.549233][ T10] do_syscall_64+0xc6/0x1e0 [ 2059.549233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2059.549233][ T10] [ 2059.550819][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2059.550819][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2059.550819][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2059.550819][ T10] ipv6_find_idev+0x102/0x170 [ 2059.550819][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2059.550819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2059.550819][ T10] netlink_rcv_skb+0x130/0x360 [ 2059.550819][ T10] netlink_unicast+0x449/0x710 [ 2059.550819][ T10] netlink_sendmsg+0x723/0xbe0 [ 2059.550819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2059.550819][ T10] ___sys_sendmsg+0xee/0x170 [ 2059.550819][ T10] __sys_sendmsg+0xcd/0x170 [ 2059.550819][ T10] do_syscall_64+0xc6/0x1e0 [ 2059.550819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2059.550819][ T10] [ 2059.553080][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2059.553333][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2059.553333][ T10] netdev_get_by_index+0x5e/0x80 [ 2059.553333][ T10] fib6_nh_init+0x3d8/0x1580 [ 2059.553333][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2059.553333][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2059.553333][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2059.553333][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2059.553333][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2059.553333][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2059.553333][ T10] addrconf_dad_begin+0x310/0x670 [ 2059.553333][ T10] addrconf_dad_work+0x10b/0xab0 [ 2059.553333][ T10] process_one_work+0x84d/0x18a0 [ 2059.553333][ T10] worker_thread+0x587/0xd30 [ 2059.553333][ T10] kthread+0x28a/0x350 [ 2059.553333][ T10] ret_from_fork+0x31/0x70 [ 2059.553333][ T10] ret_from_fork_asm+0x1a/0x30 [ 2059.553333][ T10] [ 2059.555268][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2059.555268][ T10] netdev_get_by_index+0x5e/0x80 [ 2059.555268][ T10] fib6_nh_init+0x3d8/0x1580 [ 2059.555268][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2059.555268][ T10] ip6_route_add+0x1c/0x140 [ 2059.555268][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2059.555268][ T10] inet6_addr_add+0x4f8/0xa40 [ 2059.555268][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2059.555268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2059.555268][ T10] netlink_rcv_skb+0x130/0x360 [ 2059.555268][ T10] netlink_unicast+0x449/0x710 [ 2059.555268][ T10] netlink_sendmsg+0x723/0xbe0 [ 2059.555268][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2059.555268][ T10] ___sys_sendmsg+0xee/0x170 [ 2059.555268][ T10] __sys_sendmsg+0xcd/0x170 [ 2059.555268][ T10] do_syscall_64+0xc6/0x1e0 [ 2059.555268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2059.555268][ T10] [ 2059.557408][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2059.557408][ T10] netdev_get_by_index+0x5e/0x80 [ 2059.557408][ T10] fib6_nh_init+0x3d8/0x1580 [ 2059.557408][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2059.557408][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2059.557408][ T10] ipv6_add_addr+0x411/0x2000 [ 2059.557408][ T10] inet6_addr_add+0x30e/0xa40 [ 2059.557408][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2059.557408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2059.557408][ T10] netlink_rcv_skb+0x130/0x360 [ 2059.557408][ T10] netlink_unicast+0x449/0x710 [ 2059.557408][ T10] netlink_sendmsg+0x723/0xbe0 [ 2059.557408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2059.557408][ T10] ___sys_sendmsg+0xee/0x170 [ 2059.557408][ T10] __sys_sendmsg+0xcd/0x170 [ 2059.557408][ T10] do_syscall_64+0xc6/0x1e0 [ 2059.557408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2059.557408][ T10] [ 2059.559554][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2059.559554][ T10] netdev_get_by_index+0x5e/0x80 [ 2059.559554][ T10] fib6_nh_init+0x3d8/0x1580 [ 2059.559554][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2059.559554][ T10] ip6_route_add+0x1c/0x140 [ 2059.559554][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2059.559554][ T10] addrconf_add_dev+0xe2/0x170 [ 2059.559554][ T10] inet6_addr_add+0x12f/0xa40 [ 2059.559554][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2059.559554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2059.559554][ T10] netlink_rcv_skb+0x130/0x360 [ 2059.559554][ T10] netlink_unicast+0x449/0x710 [ 2059.559554][ T10] netlink_sendmsg+0x723/0xbe0 [ 2059.559554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2059.559554][ T10] ___sys_sendmsg+0xee/0x170 [ 2059.559554][ T10] __sys_sendmsg+0xcd/0x170 [ 2059.559554][ T10] do_syscall_64+0xc6/0x1e0 [ 2059.559554][ T10] [ 2059.563188][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2059.563188][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2059.563188][ T10] ipv6_find_idev+0x102/0x170 [ 2059.563188][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2059.563188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2059.563188][ T10] netlink_rcv_skb+0x130/0x360 [ 2059.563188][ T10] netlink_unicast+0x449/0x710 [ 2059.563188][ T10] netlink_sendmsg+0x723/0xbe0 [ 2059.563188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2059.563188][ T10] ___sys_sendmsg+0xee/0x170 [ 2059.563188][ T10] __sys_sendmsg+0xcd/0x170 [ 2059.563188][ T10] do_syscall_64+0xc6/0x1e0 [ 2059.563188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2059.563188][ T10] [ 2059.564831][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2059.564831][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2059.564831][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2059.564831][ T10] ipv6_find_idev+0x102/0x170 [ 2059.564831][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2059.564831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2059.564831][ T10] netlink_rcv_skb+0x130/0x360 [ 2059.564831][ T10] netlink_unicast+0x449/0x710 [ 2059.564831][ T10] netlink_sendmsg+0x723/0xbe0 [ 2059.564831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2059.564831][ T10] ___sys_sendmsg+0xee/0x170 [ 2059.564831][ T10] __sys_sendmsg+0xcd/0x170 [ 2059.564831][ T10] do_syscall_64+0xc6/0x1e0 [ 2059.564831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2059.564831][ T10] [ 2059.566722][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2059.566973][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2059.566973][ T10] netdev_get_by_index+0x5e/0x80 [ 2059.566973][ T10] fib6_nh_init+0x3d8/0x1580 [ 2059.566973][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2059.566973][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2059.566973][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2059.566973][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2059.566973][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2059.566973][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2059.566973][ T10] addrconf_dad_begin+0x310/0x670 [ 2059.566973][ T10] addrconf_dad_work+0x10b/0xab0 [ 2059.566973][ T10] process_one_work+0x84d/0x18a0 [ 2059.566973][ T10] worker_thread+0x587/0xd30 [ 2059.566973][ T10] kthread+0x28a/0x350 [ 2059.566973][ T10] ret_from_fork+0x31/0x70 [ 2059.566973][ T10] ret_from_fork_asm+0x1a/0x30 [ 2059.566973][ T10] [ 2059.569027][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2059.569027][ T10] netdev_get_by_index+0x5e/0x80 [ 2059.569027][ T10] fib6_nh_init+0x3d8/0x1580 [ 2059.569027][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2059.569027][ T10] ip6_route_add+0x1c/0x140 [ 2059.569027][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2059.569027][ T10] inet6_addr_add+0x4f8/0xa40 [ 2059.569027][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2059.569027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2059.569027][ T10] netlink_rcv_skb+0x130/0x360 [ 2059.569027][ T10] netlink_unicast+0x449/0x710 [ 2059.569027][ T10] netlink_sendmsg+0x723/0xbe0 [ 2059.569027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2059.569027][ T10] ___sys_sendmsg+0xee/0x170 [ 2059.569027][ T10] __sys_sendmsg+0xcd/0x170 [ 2059.569027][ T10] do_syscall_64+0xc6/0x1e0 [ 2059.569027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2059.569027][ T10] [ 2059.571163][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2059.571163][ T10] netdev_get_by_index+0x5e/0x80 [ 2059.571163][ T10] fib6_nh_init+0x3d8/0x1580 [ 2059.571163][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2059.571163][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2059.571163][ T10] ipv6_add_addr+0x411/0x2000 [ 2059.571163][ T10] inet6_addr_add+0x30e/0xa40 [ 2059.571163][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2059.571163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2059.571163][ T10] netlink_rcv_skb+0x130/0x360 [ 2059.571163][ T10] netlink_unicast+0x449/0x710 [ 2059.571163][ T10] netlink_sendmsg+0x723/0xbe0 [ 2059.571163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2059.571163][ T10] ___sys_sendmsg+0xee/0x170 [ 2059.571163][ T10] __sys_sendmsg+0xcd/0x170 [ 2059.571163][ T10] do_syscall_64+0xc6/0x1e0 [ 2059.571163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2059.571163][ T10] [ 2059.573307][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2059.573307][ T10] netdev_get_by_index+0x5e/0x80 [ 2059.573307][ T10] fib6_nh_init+0x3d8/0x1580 [ 2059.573307][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2059.573307][ T10] ip6_route_add+0x1c/0x140 [ 2059.573307][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2059.573307][ T10] addrconf_add_dev+0xe2/0x170 [ 2059.573307][ T10] inet6_addr_add+0x12f/0xa40 [ 2059.573307][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2059.573307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2059.573307][ T10] netlink_rcv_skb+0x130/0x360 [ 2059.573307][ T10] netlink_unicast+0x449/0x710 [ 2059.573307][ T10] netlink_sendmsg+0x723/0xbe0 [ 2059.573307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2059.573307][ T10] ___sys_sendmsg+0xee/0x170 [ 2059.573307][ T10] __sys_sendmsg+0xcd/0x170 [ 2059.573307][ T10] do_syscall_64+0xc6/0x1e0 [ 2059.573307][ T10] [ 2059.575405][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2059.575405][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2059.575405][ T10] ipv6_find_idev+0x102/0x170 [ 2059.575405][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2059.575405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2059.575405][ T10] netlink_rcv_skb+0x130/0x360 [ 2059.575405][ T10] netlink_unicast+0x449/0x710 [ 2059.575405][ T10] netlink_sendmsg+0x723/0xbe0 [ 2059.575405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2059.575405][ T10] ___sys_sendmsg+0xee/0x170 [ 2059.575405][ T10] __sys_sendmsg+0xcd/0x170 [ 2059.575405][ T10] do_syscall_64+0xc6/0x1e0 [ 2059.575405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2059.575405][ T10] [ 2059.577021][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2059.577021][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2059.577021][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2059.577021][ T10] ipv6_find_idev+0x102/0x170 [ 2059.577021][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2059.577021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2059.577021][ T10] netlink_rcv_skb+0x130/0x360 [ 2059.577021][ T10] netlink_unicast+0x449/0x710 [ 2059.577021][ T10] netlink_sendmsg+0x723/0xbe0 [ 2059.577021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2059.577021][ T10] ___sys_sendmsg+0xee/0x170 [ 2059.577021][ T10] __sys_sendmsg+0xcd/0x170 [ 2059.577021][ T10] do_syscall_64+0xc6/0x1e0 [ 2059.577021][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2059.577021][ T10] [ 2064.417141][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2064.417709][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2064.417709][ T1167] dst_init+0x84/0x4a0 [ 2064.417709][ T1167] dst_alloc+0x97/0x150 [ 2064.417709][ T1167] ip6_dst_alloc+0x23/0x90 [ 2064.417709][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2064.417709][ T1167] ip6_pol_route+0x56f/0x840 [ 2064.417709][ T1167] fib6_rule_lookup+0x334/0x630 [ 2064.417709][ T1167] ip6_route_output_flags+0x259/0x480 [ 2064.417709][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2064.417709][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2064.417709][ T1167] netlink_rcv_skb+0x130/0x360 [ 2064.417709][ T1167] netlink_unicast+0x449/0x710 [ 2064.417709][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2064.417709][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2064.417709][ T1167] ___sys_sendmsg+0xee/0x170 [ 2064.417709][ T1167] __sys_sendmsg+0xcd/0x170 [ 2064.417709][ T1167] do_syscall_64+0xc6/0x1e0 [ 2064.417709][ T1167] [ 2064.419927][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2064.419927][ T1167] netdev_get_by_index+0x5e/0x80 [ 2064.419927][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2064.419927][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2064.419927][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2064.419927][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2064.419927][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2064.419927][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2064.419927][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2064.419927][ T1167] addrconf_dad_begin+0x310/0x670 [ 2064.419927][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2064.419927][ T1167] process_one_work+0x84d/0x18a0 [ 2064.419927][ T1167] worker_thread+0x587/0xd30 [ 2064.419927][ T1167] kthread+0x28a/0x350 [ 2064.419927][ T1167] ret_from_fork+0x31/0x70 [ 2064.419927][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2064.419927][ T1167] [ 2064.424903][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2064.424903][ T1167] netdev_get_by_index+0x5e/0x80 [ 2064.424903][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2064.424903][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2064.424903][ T1167] ip6_route_add+0x1c/0x140 [ 2064.424903][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2064.424903][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2064.424903][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2064.424903][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2064.424903][ T1167] netlink_rcv_skb+0x130/0x360 [ 2064.424903][ T1167] netlink_unicast+0x449/0x710 [ 2064.424903][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2064.424903][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2064.424903][ T1167] ___sys_sendmsg+0xee/0x170 [ 2064.424903][ T1167] __sys_sendmsg+0xcd/0x170 [ 2064.424903][ T1167] do_syscall_64+0xc6/0x1e0 [ 2064.424903][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2064.424903][ T1167] [ 2064.427138][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2064.427138][ T1167] netdev_get_by_index+0x5e/0x80 [ 2064.427138][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2064.427138][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2064.427138][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2064.427138][ T1167] ipv6_add_addr+0x411/0x2000 [ 2064.427138][ T1167] inet6_addr_add+0x30e/0xa40 [ 2064.427138][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2064.427138][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2064.427138][ T1167] netlink_rcv_skb+0x130/0x360 [ 2064.427138][ T1167] netlink_unicast+0x449/0x710 [ 2064.427138][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2064.427138][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2064.427138][ T1167] ___sys_sendmsg+0xee/0x170 [ 2064.427138][ T1167] __sys_sendmsg+0xcd/0x170 [ 2064.427138][ T1167] do_syscall_64+0xc6/0x1e0 [ 2064.427138][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2064.427138][ T1167] [ 2064.429386][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2064.429386][ T1167] netdev_get_by_index+0x5e/0x80 [ 2064.429386][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2064.429386][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2064.429386][ T1167] ip6_route_add+0x1c/0x140 [ 2064.429386][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2064.429386][ T1167] addrconf_add_dev+0xe2/0x170 [ 2064.429386][ T1167] inet6_addr_add+0x12f/0xa40 [ 2064.429386][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2064.429386][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2064.429386][ T1167] netlink_rcv_skb+0x130/0x360 [ 2064.429386][ T1167] netlink_unicast+0x449/0x710 [ 2064.429386][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2064.429386][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2064.429386][ T1167] ___sys_sendmsg+0xee/0x170 [ 2064.429386][ T1167] __sys_sendmsg+0xcd/0x170 [ 2064.429386][ T1167] do_syscall_64+0xc6/0x1e0 [ 2064.429386][ T1167] [ 2064.431579][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2064.431579][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2064.431579][ T1167] ipv6_find_idev+0x102/0x170 [ 2064.431579][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2064.431579][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2064.431579][ T1167] netlink_rcv_skb+0x130/0x360 [ 2064.431579][ T1167] netlink_unicast+0x449/0x710 [ 2064.431579][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2064.431579][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2064.431579][ T1167] ___sys_sendmsg+0xee/0x170 [ 2064.431579][ T1167] __sys_sendmsg+0xcd/0x170 [ 2064.431579][ T1167] do_syscall_64+0xc6/0x1e0 [ 2064.431579][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2064.431579][ T1167] [ 2064.433307][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2064.433307][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2064.433307][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2064.433307][ T1167] ipv6_find_idev+0x102/0x170 [ 2064.433307][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2064.433307][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2064.433307][ T1167] netlink_rcv_skb+0x130/0x360 [ 2064.433307][ T1167] netlink_unicast+0x449/0x710 [ 2064.433307][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2064.433307][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2064.433307][ T1167] ___sys_sendmsg+0xee/0x170 [ 2064.433307][ T1167] __sys_sendmsg+0xcd/0x170 [ 2064.433307][ T1167] do_syscall_64+0xc6/0x1e0 [ 2064.433307][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2064.433307][ T1167] [ 2069.833151][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2069.833821][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2069.833821][ T10] netdev_get_by_index+0x5e/0x80 [ 2069.833821][ T10] fib6_nh_init+0x3d8/0x1580 [ 2069.833821][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2069.833821][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2069.833821][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2069.833821][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2069.833821][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2069.833821][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2069.833821][ T10] addrconf_dad_begin+0x310/0x670 [ 2069.833821][ T10] addrconf_dad_work+0x10b/0xab0 [ 2069.833821][ T10] process_one_work+0x84d/0x18a0 [ 2069.833821][ T10] worker_thread+0x587/0xd30 [ 2069.833821][ T10] kthread+0x28a/0x350 [ 2069.833821][ T10] ret_from_fork+0x31/0x70 [ 2069.833821][ T10] ret_from_fork_asm+0x1a/0x30 [ 2069.833821][ T10] [ 2069.837065][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2069.837065][ T10] netdev_get_by_index+0x5e/0x80 [ 2069.837065][ T10] fib6_nh_init+0x3d8/0x1580 [ 2069.837065][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2069.837065][ T10] ip6_route_add+0x1c/0x140 [ 2069.837065][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2069.837065][ T10] inet6_addr_add+0x4f8/0xa40 [ 2069.837065][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2069.837065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2069.837065][ T10] netlink_rcv_skb+0x130/0x360 [ 2069.837065][ T10] netlink_unicast+0x449/0x710 [ 2069.837065][ T10] netlink_sendmsg+0x723/0xbe0 [ 2069.837065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2069.837065][ T10] ___sys_sendmsg+0xee/0x170 [ 2069.837065][ T10] __sys_sendmsg+0xcd/0x170 [ 2069.837065][ T10] do_syscall_64+0xc6/0x1e0 [ 2069.837065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2069.837065][ T10] [ 2069.840874][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2069.840874][ T10] netdev_get_by_index+0x5e/0x80 [ 2069.840874][ T10] fib6_nh_init+0x3d8/0x1580 [ 2069.840874][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2069.840874][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2069.840874][ T10] ipv6_add_addr+0x411/0x2000 [ 2069.840874][ T10] inet6_addr_add+0x30e/0xa40 [ 2069.840874][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2069.840874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2069.840874][ T10] netlink_rcv_skb+0x130/0x360 [ 2069.840874][ T10] netlink_unicast+0x449/0x710 [ 2069.840874][ T10] netlink_sendmsg+0x723/0xbe0 [ 2069.840874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2069.840874][ T10] ___sys_sendmsg+0xee/0x170 [ 2069.840874][ T10] __sys_sendmsg+0xcd/0x170 [ 2069.840874][ T10] do_syscall_64+0xc6/0x1e0 [ 2069.840874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2069.840874][ T10] [ 2069.844166][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2069.844166][ T10] netdev_get_by_index+0x5e/0x80 [ 2069.844166][ T10] fib6_nh_init+0x3d8/0x1580 [ 2069.844166][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2069.844166][ T10] ip6_route_add+0x1c/0x140 [ 2069.844166][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2069.844166][ T10] addrconf_add_dev+0xe2/0x170 [ 2069.844166][ T10] inet6_addr_add+0x12f/0xa40 [ 2069.844166][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2069.844166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2069.844166][ T10] netlink_rcv_skb+0x130/0x360 [ 2069.844166][ T10] netlink_unicast+0x449/0x710 [ 2069.844166][ T10] netlink_sendmsg+0x723/0xbe0 [ 2069.844166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2069.844166][ T10] ___sys_sendmsg+0xee/0x170 [ 2069.844166][ T10] __sys_sendmsg+0xcd/0x170 [ 2069.844166][ T10] do_syscall_64+0xc6/0x1e0 [ 2069.844166][ T10] [ 2069.847300][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2069.847300][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2069.847300][ T10] ipv6_find_idev+0x102/0x170 [ 2069.847300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2069.847300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2069.847300][ T10] netlink_rcv_skb+0x130/0x360 [ 2069.847300][ T10] netlink_unicast+0x449/0x710 [ 2069.847300][ T10] netlink_sendmsg+0x723/0xbe0 [ 2069.847300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2069.847300][ T10] ___sys_sendmsg+0xee/0x170 [ 2069.847300][ T10] __sys_sendmsg+0xcd/0x170 [ 2069.847300][ T10] do_syscall_64+0xc6/0x1e0 [ 2069.847300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2069.847300][ T10] [ 2069.849827][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2069.849827][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2069.849827][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2069.849827][ T10] ipv6_find_idev+0x102/0x170 [ 2069.849827][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2069.849827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2069.849827][ T10] netlink_rcv_skb+0x130/0x360 [ 2069.849827][ T10] netlink_unicast+0x449/0x710 [ 2069.849827][ T10] netlink_sendmsg+0x723/0xbe0 [ 2069.849827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2069.849827][ T10] ___sys_sendmsg+0xee/0x170 [ 2069.849827][ T10] __sys_sendmsg+0xcd/0x170 [ 2069.849827][ T10] do_syscall_64+0xc6/0x1e0 [ 2069.849827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2069.849827][ T10] [ 2069.852660][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2069.853146][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2069.853146][ T10] netdev_get_by_index+0x5e/0x80 [ 2069.853146][ T10] fib6_nh_init+0x3d8/0x1580 [ 2069.853146][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2069.853146][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2069.853146][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2069.853146][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2069.853146][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2069.853146][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2069.853146][ T10] addrconf_dad_begin+0x310/0x670 [ 2069.853146][ T10] addrconf_dad_work+0x10b/0xab0 [ 2069.853146][ T10] process_one_work+0x84d/0x18a0 [ 2069.853146][ T10] worker_thread+0x587/0xd30 [ 2069.853146][ T10] kthread+0x28a/0x350 [ 2069.853146][ T10] ret_from_fork+0x31/0x70 [ 2069.853146][ T10] ret_from_fork_asm+0x1a/0x30 [ 2069.853146][ T10] [ 2069.856895][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2069.856895][ T10] netdev_get_by_index+0x5e/0x80 [ 2069.856895][ T10] fib6_nh_init+0x3d8/0x1580 [ 2069.856895][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2069.856895][ T10] ip6_route_add+0x1c/0x140 [ 2069.856895][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2069.856895][ T10] inet6_addr_add+0x4f8/0xa40 [ 2069.856895][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2069.856895][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2069.856895][ T10] netlink_rcv_skb+0x130/0x360 [ 2069.856895][ T10] netlink_unicast+0x449/0x710 [ 2069.856895][ T10] netlink_sendmsg+0x723/0xbe0 [ 2069.856895][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2069.856895][ T10] ___sys_sendmsg+0xee/0x170 [ 2069.856895][ T10] __sys_sendmsg+0xcd/0x170 [ 2069.856895][ T10] do_syscall_64+0xc6/0x1e0 [ 2069.856895][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2069.856895][ T10] [ 2069.860334][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2069.860334][ T10] netdev_get_by_index+0x5e/0x80 [ 2069.860334][ T10] fib6_nh_init+0x3d8/0x1580 [ 2069.860334][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2069.860334][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2069.860334][ T10] ipv6_add_addr+0x411/0x2000 [ 2069.860334][ T10] inet6_addr_add+0x30e/0xa40 [ 2069.860334][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2069.860334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2069.860334][ T10] netlink_rcv_skb+0x130/0x360 [ 2069.860334][ T10] netlink_unicast+0x449/0x710 [ 2069.860334][ T10] netlink_sendmsg+0x723/0xbe0 [ 2069.860334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2069.860334][ T10] ___sys_sendmsg+0xee/0x170 [ 2069.860334][ T10] __sys_sendmsg+0xcd/0x170 [ 2069.860334][ T10] do_syscall_64+0xc6/0x1e0 [ 2069.860334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2069.860334][ T10] [ 2069.863777][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2069.863777][ T10] netdev_get_by_index+0x5e/0x80 [ 2069.863777][ T10] fib6_nh_init+0x3d8/0x1580 [ 2069.863777][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2069.863777][ T10] ip6_route_add+0x1c/0x140 [ 2069.863777][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2069.863777][ T10] addrconf_add_dev+0xe2/0x170 [ 2069.863777][ T10] inet6_addr_add+0x12f/0xa40 [ 2069.863777][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2069.863777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2069.863777][ T10] netlink_rcv_skb+0x130/0x360 [ 2069.863777][ T10] netlink_unicast+0x449/0x710 [ 2069.863777][ T10] netlink_sendmsg+0x723/0xbe0 [ 2069.863777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2069.863777][ T10] ___sys_sendmsg+0xee/0x170 [ 2069.863777][ T10] __sys_sendmsg+0xcd/0x170 [ 2069.863777][ T10] do_syscall_64+0xc6/0x1e0 [ 2069.863777][ T10] [ 2069.866580][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2069.866580][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2069.866580][ T10] ipv6_find_idev+0x102/0x170 [ 2069.866580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2069.866580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2069.866580][ T10] netlink_rcv_skb+0x130/0x360 [ 2069.866580][ T10] netlink_unicast+0x449/0x710 [ 2069.866580][ T10] netlink_sendmsg+0x723/0xbe0 [ 2069.866580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2069.866580][ T10] ___sys_sendmsg+0xee/0x170 [ 2069.866580][ T10] __sys_sendmsg+0xcd/0x170 [ 2069.866580][ T10] do_syscall_64+0xc6/0x1e0 [ 2069.866580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2069.866580][ T10] [ 2069.869109][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2069.869109][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2069.869109][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2069.869109][ T10] ipv6_find_idev+0x102/0x170 [ 2069.869109][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2069.869109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2069.869109][ T10] netlink_rcv_skb+0x130/0x360 [ 2069.869109][ T10] netlink_unicast+0x449/0x710 [ 2069.869109][ T10] netlink_sendmsg+0x723/0xbe0 [ 2069.869109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2069.869109][ T10] ___sys_sendmsg+0xee/0x170 [ 2069.869109][ T10] __sys_sendmsg+0xcd/0x170 [ 2069.869109][ T10] do_syscall_64+0xc6/0x1e0 [ 2069.869109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2069.869109][ T10] [ 2069.872253][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2069.872663][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2069.872663][ T10] netdev_get_by_index+0x5e/0x80 [ 2069.872663][ T10] fib6_nh_init+0x3d8/0x1580 [ 2069.872663][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2069.872663][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2069.872663][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2069.872663][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2069.872663][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2069.872663][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2069.872663][ T10] addrconf_dad_begin+0x310/0x670 [ 2069.872663][ T10] addrconf_dad_work+0x10b/0xab0 [ 2069.872663][ T10] process_one_work+0x84d/0x18a0 [ 2069.872663][ T10] worker_thread+0x587/0xd30 [ 2069.872663][ T10] kthread+0x28a/0x350 [ 2069.872663][ T10] ret_from_fork+0x31/0x70 [ 2069.872663][ T10] ret_from_fork_asm+0x1a/0x30 [ 2069.872663][ T10] [ 2069.876083][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2069.876083][ T10] netdev_get_by_index+0x5e/0x80 [ 2069.876083][ T10] fib6_nh_init+0x3d8/0x1580 [ 2069.876083][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2069.876083][ T10] ip6_route_add+0x1c/0x140 [ 2069.876083][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2069.876083][ T10] inet6_addr_add+0x4f8/0xa40 [ 2069.876083][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2069.876083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2069.876083][ T10] netlink_rcv_skb+0x130/0x360 [ 2069.876083][ T10] netlink_unicast+0x449/0x710 [ 2069.876083][ T10] netlink_sendmsg+0x723/0xbe0 [ 2069.876083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2069.876083][ T10] ___sys_sendmsg+0xee/0x170 [ 2069.876083][ T10] __sys_sendmsg+0xcd/0x170 [ 2069.876083][ T10] do_syscall_64+0xc6/0x1e0 [ 2069.876083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2069.876083][ T10] [ 2069.879959][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2069.879959][ T10] netdev_get_by_index+0x5e/0x80 [ 2069.879959][ T10] fib6_nh_init+0x3d8/0x1580 [ 2069.879959][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2069.879959][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2069.879959][ T10] ipv6_add_addr+0x411/0x2000 [ 2069.879959][ T10] inet6_addr_add+0x30e/0xa40 [ 2069.879959][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2069.879959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2069.879959][ T10] netlink_rcv_skb+0x130/0x360 [ 2069.879959][ T10] netlink_unicast+0x449/0x710 [ 2069.879959][ T10] netlink_sendmsg+0x723/0xbe0 [ 2069.879959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2069.879959][ T10] ___sys_sendmsg+0xee/0x170 [ 2069.879959][ T10] __sys_sendmsg+0xcd/0x170 [ 2069.879959][ T10] do_syscall_64+0xc6/0x1e0 [ 2069.879959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2069.879959][ T10] [ 2069.884166][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2069.884166][ T10] netdev_get_by_index+0x5e/0x80 [ 2069.884166][ T10] fib6_nh_init+0x3d8/0x1580 [ 2069.884166][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2069.884166][ T10] ip6_route_add+0x1c/0x140 [ 2069.884166][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2069.884166][ T10] addrconf_add_dev+0xe2/0x170 [ 2069.884166][ T10] inet6_addr_add+0x12f/0xa40 [ 2069.884166][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2069.884166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2069.884166][ T10] netlink_rcv_skb+0x130/0x360 [ 2069.884166][ T10] netlink_unicast+0x449/0x710 [ 2069.884166][ T10] netlink_sendmsg+0x723/0xbe0 [ 2069.884166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2069.884166][ T10] ___sys_sendmsg+0xee/0x170 [ 2069.884166][ T10] __sys_sendmsg+0xcd/0x170 [ 2069.884166][ T10] do_syscall_64+0xc6/0x1e0 [ 2069.884166][ T10] [ 2069.888232][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2069.888232][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2069.888232][ T10] ipv6_find_idev+0x102/0x170 [ 2069.888232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2069.888232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2069.888232][ T10] netlink_rcv_skb+0x130/0x360 [ 2069.888232][ T10] netlink_unicast+0x449/0x710 [ 2069.888232][ T10] netlink_sendmsg+0x723/0xbe0 [ 2069.888232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2069.888232][ T10] ___sys_sendmsg+0xee/0x170 [ 2069.888232][ T10] __sys_sendmsg+0xcd/0x170 [ 2069.888232][ T10] do_syscall_64+0xc6/0x1e0 [ 2069.888232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2069.888232][ T10] [ 2069.891880][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2069.891880][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2069.891880][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2069.891880][ T10] ipv6_find_idev+0x102/0x170 [ 2069.891880][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2069.891880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2069.891880][ T10] netlink_rcv_skb+0x130/0x360 [ 2069.891880][ T10] netlink_unicast+0x449/0x710 [ 2069.891880][ T10] netlink_sendmsg+0x723/0xbe0 [ 2069.891880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2069.891880][ T10] ___sys_sendmsg+0xee/0x170 [ 2069.891880][ T10] __sys_sendmsg+0xcd/0x170 [ 2069.891880][ T10] do_syscall_64+0xc6/0x1e0 [ 2069.891880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2069.891880][ T10] [ 2069.895260][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2069.895811][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2069.895811][ T10] netdev_get_by_index+0x5e/0x80 [ 2069.895811][ T10] fib6_nh_init+0x3d8/0x1580 [ 2069.895811][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2069.895811][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2069.895811][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2069.895811][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2069.895811][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2069.895811][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2069.895811][ T10] addrconf_dad_begin+0x310/0x670 [ 2069.895811][ T10] addrconf_dad_work+0x10b/0xab0 [ 2069.895811][ T10] process_one_work+0x84d/0x18a0 [ 2069.895811][ T10] worker_thread+0x587/0xd30 [ 2069.895811][ T10] kthread+0x28a/0x350 [ 2069.895811][ T10] ret_from_fork+0x31/0x70 [ 2069.895811][ T10] ret_from_fork_asm+0x1a/0x30 [ 2069.895811][ T10] [ 2069.899782][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2069.899782][ T10] netdev_get_by_index+0x5e/0x80 [ 2069.899782][ T10] fib6_nh_init+0x3d8/0x1580 [ 2069.899782][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2069.899782][ T10] ip6_route_add+0x1c/0x140 [ 2069.899782][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2069.899782][ T10] inet6_addr_add+0x4f8/0xa40 [ 2069.899782][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2069.899782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2069.899782][ T10] netlink_rcv_skb+0x130/0x360 [ 2069.899782][ T10] netlink_unicast+0x449/0x710 [ 2069.899782][ T10] netlink_sendmsg+0x723/0xbe0 [ 2069.899782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2069.899782][ T10] ___sys_sendmsg+0xee/0x170 [ 2069.899782][ T10] __sys_sendmsg+0xcd/0x170 [ 2069.899782][ T10] do_syscall_64+0xc6/0x1e0 [ 2069.899782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2069.899782][ T10] [ 2069.904027][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2069.904027][ T10] netdev_get_by_index+0x5e/0x80 [ 2069.904027][ T10] fib6_nh_init+0x3d8/0x1580 [ 2069.904027][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2069.904027][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2069.904027][ T10] ipv6_add_addr+0x411/0x2000 [ 2069.904027][ T10] inet6_addr_add+0x30e/0xa40 [ 2069.904027][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2069.904027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2069.904027][ T10] netlink_rcv_skb+0x130/0x360 [ 2069.904027][ T10] netlink_unicast+0x449/0x710 [ 2069.904027][ T10] netlink_sendmsg+0x723/0xbe0 [ 2069.904027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2069.904027][ T10] ___sys_sendmsg+0xee/0x170 [ 2069.904027][ T10] __sys_sendmsg+0xcd/0x170 [ 2069.904027][ T10] do_syscall_64+0xc6/0x1e0 [ 2069.904027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2069.904027][ T10] [ 2069.907655][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2069.907655][ T10] netdev_get_by_index+0x5e/0x80 [ 2069.907655][ T10] fib6_nh_init+0x3d8/0x1580 [ 2069.907655][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2069.907655][ T10] ip6_route_add+0x1c/0x140 [ 2069.907655][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2069.907655][ T10] addrconf_add_dev+0xe2/0x170 [ 2069.907655][ T10] inet6_addr_add+0x12f/0xa40 [ 2069.907655][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2069.907655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2069.907655][ T10] netlink_rcv_skb+0x130/0x360 [ 2069.907655][ T10] netlink_unicast+0x449/0x710 [ 2069.907655][ T10] netlink_sendmsg+0x723/0xbe0 [ 2069.907655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2069.907655][ T10] ___sys_sendmsg+0xee/0x170 [ 2069.907655][ T10] __sys_sendmsg+0xcd/0x170 [ 2069.907655][ T10] do_syscall_64+0xc6/0x1e0 [ 2069.907655][ T10] [ 2069.911112][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2069.911112][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2069.911112][ T10] ipv6_find_idev+0x102/0x170 [ 2069.911112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2069.911112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2069.911112][ T10] netlink_rcv_skb+0x130/0x360 [ 2069.911112][ T10] netlink_unicast+0x449/0x710 [ 2069.911112][ T10] netlink_sendmsg+0x723/0xbe0 [ 2069.911112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2069.911112][ T10] ___sys_sendmsg+0xee/0x170 [ 2069.911112][ T10] __sys_sendmsg+0xcd/0x170 [ 2069.911112][ T10] do_syscall_64+0xc6/0x1e0 [ 2069.911112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2069.911112][ T10] [ 2069.913888][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2069.913888][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2069.913888][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2069.913888][ T10] ipv6_find_idev+0x102/0x170 [ 2069.913888][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2069.913888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2069.913888][ T10] netlink_rcv_skb+0x130/0x360 [ 2069.913888][ T10] netlink_unicast+0x449/0x710 [ 2069.913888][ T10] netlink_sendmsg+0x723/0xbe0 [ 2069.913888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2069.913888][ T10] ___sys_sendmsg+0xee/0x170 [ 2069.913888][ T10] __sys_sendmsg+0xcd/0x170 [ 2069.913888][ T10] do_syscall_64+0xc6/0x1e0 [ 2069.913888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2069.913888][ T10] [ 2074.673159][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2074.673690][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2074.673690][ T1167] dst_init+0x84/0x4a0 [ 2074.673690][ T1167] dst_alloc+0x97/0x150 [ 2074.673690][ T1167] ip6_dst_alloc+0x23/0x90 [ 2074.673690][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2074.673690][ T1167] ip6_pol_route+0x56f/0x840 [ 2074.673690][ T1167] fib6_rule_lookup+0x334/0x630 [ 2074.673690][ T1167] ip6_route_output_flags+0x259/0x480 [ 2074.673690][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2074.673690][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2074.673690][ T1167] netlink_rcv_skb+0x130/0x360 [ 2074.673690][ T1167] netlink_unicast+0x449/0x710 [ 2074.673690][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2074.673690][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2074.673690][ T1167] ___sys_sendmsg+0xee/0x170 [ 2074.673690][ T1167] __sys_sendmsg+0xcd/0x170 [ 2074.673690][ T1167] do_syscall_64+0xc6/0x1e0 [ 2074.673690][ T1167] [ 2074.676341][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2074.676341][ T1167] netdev_get_by_index+0x5e/0x80 [ 2074.676341][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2074.676341][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2074.676341][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2074.676341][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2074.676341][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2074.676341][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2074.676341][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2074.676341][ T1167] addrconf_dad_begin+0x310/0x670 [ 2074.676341][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2074.676341][ T1167] process_one_work+0x84d/0x18a0 [ 2074.676341][ T1167] worker_thread+0x587/0xd30 [ 2074.676341][ T1167] kthread+0x28a/0x350 [ 2074.676341][ T1167] ret_from_fork+0x31/0x70 [ 2074.676341][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2074.676341][ T1167] [ 2074.678960][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2074.678960][ T1167] netdev_get_by_index+0x5e/0x80 [ 2074.678960][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2074.678960][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2074.678960][ T1167] ip6_route_add+0x1c/0x140 [ 2074.678960][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2074.678960][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2074.678960][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2074.678960][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.678960][ T1167] netlink_rcv_skb+0x130/0x360 [ 2074.678960][ T1167] netlink_unicast+0x449/0x710 [ 2074.678960][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2074.678960][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2074.678960][ T1167] ___sys_sendmsg+0xee/0x170 [ 2074.678960][ T1167] __sys_sendmsg+0xcd/0x170 [ 2074.678960][ T1167] do_syscall_64+0xc6/0x1e0 [ 2074.678960][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.678960][ T1167] [ 2074.681692][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2074.681692][ T1167] netdev_get_by_index+0x5e/0x80 [ 2074.681692][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2074.681692][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2074.681692][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2074.681692][ T1167] ipv6_add_addr+0x411/0x2000 [ 2074.681692][ T1167] inet6_addr_add+0x30e/0xa40 [ 2074.681692][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2074.681692][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.681692][ T1167] netlink_rcv_skb+0x130/0x360 [ 2074.681692][ T1167] netlink_unicast+0x449/0x710 [ 2074.681692][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2074.681692][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2074.681692][ T1167] ___sys_sendmsg+0xee/0x170 [ 2074.681692][ T1167] __sys_sendmsg+0xcd/0x170 [ 2074.681692][ T1167] do_syscall_64+0xc6/0x1e0 [ 2074.681692][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.681692][ T1167] [ 2074.684427][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2074.684427][ T1167] netdev_get_by_index+0x5e/0x80 [ 2074.684427][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2074.684427][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2074.684427][ T1167] ip6_route_add+0x1c/0x140 [ 2074.684427][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2074.684427][ T1167] addrconf_add_dev+0xe2/0x170 [ 2074.684427][ T1167] inet6_addr_add+0x12f/0xa40 [ 2074.684427][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2074.684427][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.684427][ T1167] netlink_rcv_skb+0x130/0x360 [ 2074.684427][ T1167] netlink_unicast+0x449/0x710 [ 2074.684427][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2074.684427][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2074.684427][ T1167] ___sys_sendmsg+0xee/0x170 [ 2074.684427][ T1167] __sys_sendmsg+0xcd/0x170 [ 2074.684427][ T1167] do_syscall_64+0xc6/0x1e0 [ 2074.684427][ T1167] [ 2074.687091][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2074.687091][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2074.687091][ T1167] ipv6_find_idev+0x102/0x170 [ 2074.687091][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2074.687091][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.687091][ T1167] netlink_rcv_skb+0x130/0x360 [ 2074.687091][ T1167] netlink_unicast+0x449/0x710 [ 2074.687091][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2074.687091][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2074.687091][ T1167] ___sys_sendmsg+0xee/0x170 [ 2074.687091][ T1167] __sys_sendmsg+0xcd/0x170 [ 2074.687091][ T1167] do_syscall_64+0xc6/0x1e0 [ 2074.687091][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.687091][ T1167] [ 2074.689208][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2074.689208][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2074.689208][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2074.689208][ T1167] ipv6_find_idev+0x102/0x170 [ 2074.689208][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2074.689208][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.689208][ T1167] netlink_rcv_skb+0x130/0x360 [ 2074.689208][ T1167] netlink_unicast+0x449/0x710 [ 2074.689208][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2074.689208][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2074.689208][ T1167] ___sys_sendmsg+0xee/0x170 [ 2074.689208][ T1167] __sys_sendmsg+0xcd/0x170 [ 2074.689208][ T1167] do_syscall_64+0xc6/0x1e0 [ 2074.689208][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.689208][ T1167] [ 2080.129144][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2080.129563][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2080.129563][ T10] netdev_get_by_index+0x5e/0x80 [ 2080.129563][ T10] fib6_nh_init+0x3d8/0x1580 [ 2080.129563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2080.129563][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2080.129563][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2080.129563][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2080.129563][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2080.129563][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2080.129563][ T10] addrconf_dad_begin+0x310/0x670 [ 2080.129563][ T10] addrconf_dad_work+0x10b/0xab0 [ 2080.129563][ T10] process_one_work+0x84d/0x18a0 [ 2080.129563][ T10] worker_thread+0x587/0xd30 [ 2080.129563][ T10] kthread+0x28a/0x350 [ 2080.129563][ T10] ret_from_fork+0x31/0x70 [ 2080.129563][ T10] ret_from_fork_asm+0x1a/0x30 [ 2080.129563][ T10] [ 2080.131741][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2080.131741][ T10] netdev_get_by_index+0x5e/0x80 [ 2080.131741][ T10] fib6_nh_init+0x3d8/0x1580 [ 2080.131741][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2080.131741][ T10] ip6_route_add+0x1c/0x140 [ 2080.131741][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2080.131741][ T10] inet6_addr_add+0x4f8/0xa40 [ 2080.131741][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2080.131741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2080.131741][ T10] netlink_rcv_skb+0x130/0x360 [ 2080.131741][ T10] netlink_unicast+0x449/0x710 [ 2080.131741][ T10] netlink_sendmsg+0x723/0xbe0 [ 2080.131741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2080.131741][ T10] ___sys_sendmsg+0xee/0x170 [ 2080.131741][ T10] __sys_sendmsg+0xcd/0x170 [ 2080.131741][ T10] do_syscall_64+0xc6/0x1e0 [ 2080.131741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2080.131741][ T10] [ 2080.133791][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2080.133791][ T10] netdev_get_by_index+0x5e/0x80 [ 2080.133791][ T10] fib6_nh_init+0x3d8/0x1580 [ 2080.133791][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2080.133791][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2080.133791][ T10] ipv6_add_addr+0x411/0x2000 [ 2080.133791][ T10] inet6_addr_add+0x30e/0xa40 [ 2080.133791][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2080.133791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2080.133791][ T10] netlink_rcv_skb+0x130/0x360 [ 2080.133791][ T10] netlink_unicast+0x449/0x710 [ 2080.133791][ T10] netlink_sendmsg+0x723/0xbe0 [ 2080.133791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2080.133791][ T10] ___sys_sendmsg+0xee/0x170 [ 2080.133791][ T10] __sys_sendmsg+0xcd/0x170 [ 2080.133791][ T10] do_syscall_64+0xc6/0x1e0 [ 2080.133791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2080.133791][ T10] [ 2080.135818][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2080.135818][ T10] netdev_get_by_index+0x5e/0x80 [ 2080.135818][ T10] fib6_nh_init+0x3d8/0x1580 [ 2080.135818][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2080.135818][ T10] ip6_route_add+0x1c/0x140 [ 2080.135818][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2080.135818][ T10] addrconf_add_dev+0xe2/0x170 [ 2080.135818][ T10] inet6_addr_add+0x12f/0xa40 [ 2080.135818][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2080.135818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2080.135818][ T10] netlink_rcv_skb+0x130/0x360 [ 2080.135818][ T10] netlink_unicast+0x449/0x710 [ 2080.135818][ T10] netlink_sendmsg+0x723/0xbe0 [ 2080.135818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2080.135818][ T10] ___sys_sendmsg+0xee/0x170 [ 2080.135818][ T10] __sys_sendmsg+0xcd/0x170 [ 2080.135818][ T10] do_syscall_64+0xc6/0x1e0 [ 2080.135818][ T10] [ 2080.137801][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2080.137801][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2080.137801][ T10] ipv6_find_idev+0x102/0x170 [ 2080.137801][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2080.137801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2080.137801][ T10] netlink_rcv_skb+0x130/0x360 [ 2080.137801][ T10] netlink_unicast+0x449/0x710 [ 2080.137801][ T10] netlink_sendmsg+0x723/0xbe0 [ 2080.137801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2080.137801][ T10] ___sys_sendmsg+0xee/0x170 [ 2080.137801][ T10] __sys_sendmsg+0xcd/0x170 [ 2080.137801][ T10] do_syscall_64+0xc6/0x1e0 [ 2080.137801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2080.137801][ T10] [ 2080.139369][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2080.139369][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2080.139369][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2080.139369][ T10] ipv6_find_idev+0x102/0x170 [ 2080.139369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2080.139369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2080.139369][ T10] netlink_rcv_skb+0x130/0x360 [ 2080.139369][ T10] netlink_unicast+0x449/0x710 [ 2080.139369][ T10] netlink_sendmsg+0x723/0xbe0 [ 2080.139369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2080.139369][ T10] ___sys_sendmsg+0xee/0x170 [ 2080.139369][ T10] __sys_sendmsg+0xcd/0x170 [ 2080.139369][ T10] do_syscall_64+0xc6/0x1e0 [ 2080.139369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2080.139369][ T10] [ 2080.141114][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2080.141376][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2080.141376][ T10] netdev_get_by_index+0x5e/0x80 [ 2080.141376][ T10] fib6_nh_init+0x3d8/0x1580 [ 2080.141376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2080.141376][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2080.141376][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2080.141376][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2080.141376][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2080.141376][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2080.141376][ T10] addrconf_dad_begin+0x310/0x670 [ 2080.141376][ T10] addrconf_dad_work+0x10b/0xab0 [ 2080.141376][ T10] process_one_work+0x84d/0x18a0 [ 2080.141376][ T10] worker_thread+0x587/0xd30 [ 2080.141376][ T10] kthread+0x28a/0x350 [ 2080.141376][ T10] ret_from_fork+0x31/0x70 [ 2080.141376][ T10] ret_from_fork_asm+0x1a/0x30 [ 2080.141376][ T10] [ 2080.143311][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2080.143311][ T10] netdev_get_by_index+0x5e/0x80 [ 2080.143311][ T10] fib6_nh_init+0x3d8/0x1580 [ 2080.143311][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2080.143311][ T10] ip6_route_add+0x1c/0x140 [ 2080.143311][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2080.143311][ T10] inet6_addr_add+0x4f8/0xa40 [ 2080.143311][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2080.143311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2080.143311][ T10] netlink_rcv_skb+0x130/0x360 [ 2080.143311][ T10] netlink_unicast+0x449/0x710 [ 2080.143311][ T10] netlink_sendmsg+0x723/0xbe0 [ 2080.143311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2080.143311][ T10] ___sys_sendmsg+0xee/0x170 [ 2080.143311][ T10] __sys_sendmsg+0xcd/0x170 [ 2080.143311][ T10] do_syscall_64+0xc6/0x1e0 [ 2080.143311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2080.143311][ T10] [ 2080.145324][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2080.145324][ T10] netdev_get_by_index+0x5e/0x80 [ 2080.145324][ T10] fib6_nh_init+0x3d8/0x1580 [ 2080.145324][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2080.145324][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2080.145324][ T10] ipv6_add_addr+0x411/0x2000 [ 2080.145324][ T10] inet6_addr_add+0x30e/0xa40 [ 2080.145324][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2080.145324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2080.145324][ T10] netlink_rcv_skb+0x130/0x360 [ 2080.145324][ T10] netlink_unicast+0x449/0x710 [ 2080.145324][ T10] netlink_sendmsg+0x723/0xbe0 [ 2080.145324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2080.145324][ T10] ___sys_sendmsg+0xee/0x170 [ 2080.145324][ T10] __sys_sendmsg+0xcd/0x170 [ 2080.145324][ T10] do_syscall_64+0xc6/0x1e0 [ 2080.145324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2080.145324][ T10] [ 2080.147341][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2080.147341][ T10] netdev_get_by_index+0x5e/0x80 [ 2080.147341][ T10] fib6_nh_init+0x3d8/0x1580 [ 2080.147341][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2080.147341][ T10] ip6_route_add+0x1c/0x140 [ 2080.147341][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2080.147341][ T10] addrconf_add_dev+0xe2/0x170 [ 2080.147341][ T10] inet6_addr_add+0x12f/0xa40 [ 2080.147341][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2080.147341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2080.147341][ T10] netlink_rcv_skb+0x130/0x360 [ 2080.147341][ T10] netlink_unicast+0x449/0x710 [ 2080.147341][ T10] netlink_sendmsg+0x723/0xbe0 [ 2080.147341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2080.147341][ T10] ___sys_sendmsg+0xee/0x170 [ 2080.147341][ T10] __sys_sendmsg+0xcd/0x170 [ 2080.147341][ T10] do_syscall_64+0xc6/0x1e0 [ 2080.147341][ T10] [ 2080.149337][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2080.149337][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2080.149337][ T10] ipv6_find_idev+0x102/0x170 [ 2080.149337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2080.149337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2080.149337][ T10] netlink_rcv_skb+0x130/0x360 [ 2080.149337][ T10] netlink_unicast+0x449/0x710 [ 2080.149337][ T10] netlink_sendmsg+0x723/0xbe0 [ 2080.149337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2080.149337][ T10] ___sys_sendmsg+0xee/0x170 [ 2080.149337][ T10] __sys_sendmsg+0xcd/0x170 [ 2080.149337][ T10] do_syscall_64+0xc6/0x1e0 [ 2080.149337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2080.149337][ T10] [ 2080.150893][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2080.150893][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2080.150893][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2080.150893][ T10] ipv6_find_idev+0x102/0x170 [ 2080.150893][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2080.150893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2080.150893][ T10] netlink_rcv_skb+0x130/0x360 [ 2080.150893][ T10] netlink_unicast+0x449/0x710 [ 2080.150893][ T10] netlink_sendmsg+0x723/0xbe0 [ 2080.150893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2080.150893][ T10] ___sys_sendmsg+0xee/0x170 [ 2080.150893][ T10] __sys_sendmsg+0xcd/0x170 [ 2080.150893][ T10] do_syscall_64+0xc6/0x1e0 [ 2080.150893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2080.150893][ T10] [ 2080.152605][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2080.152867][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2080.152867][ T10] netdev_get_by_index+0x5e/0x80 [ 2080.152867][ T10] fib6_nh_init+0x3d8/0x1580 [ 2080.152867][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2080.152867][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2080.152867][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2080.152867][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2080.152867][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2080.152867][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2080.152867][ T10] addrconf_dad_begin+0x310/0x670 [ 2080.152867][ T10] addrconf_dad_work+0x10b/0xab0 [ 2080.152867][ T10] process_one_work+0x84d/0x18a0 [ 2080.152867][ T10] worker_thread+0x587/0xd30 [ 2080.152867][ T10] kthread+0x28a/0x350 [ 2080.152867][ T10] ret_from_fork+0x31/0x70 [ 2080.152867][ T10] ret_from_fork_asm+0x1a/0x30 [ 2080.152867][ T10] [ 2080.154810][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2080.154810][ T10] netdev_get_by_index+0x5e/0x80 [ 2080.154810][ T10] fib6_nh_init+0x3d8/0x1580 [ 2080.154810][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2080.154810][ T10] ip6_route_add+0x1c/0x140 [ 2080.154810][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2080.154810][ T10] inet6_addr_add+0x4f8/0xa40 [ 2080.154810][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2080.154810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2080.154810][ T10] netlink_rcv_skb+0x130/0x360 [ 2080.154810][ T10] netlink_unicast+0x449/0x710 [ 2080.154810][ T10] netlink_sendmsg+0x723/0xbe0 [ 2080.154810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2080.154810][ T10] ___sys_sendmsg+0xee/0x170 [ 2080.154810][ T10] __sys_sendmsg+0xcd/0x170 [ 2080.154810][ T10] do_syscall_64+0xc6/0x1e0 [ 2080.154810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2080.154810][ T10] [ 2080.157081][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2080.157081][ T10] netdev_get_by_index+0x5e/0x80 [ 2080.157081][ T10] fib6_nh_init+0x3d8/0x1580 [ 2080.157081][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2080.157081][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2080.157081][ T10] ipv6_add_addr+0x411/0x2000 [ 2080.157081][ T10] inet6_addr_add+0x30e/0xa40 [ 2080.157081][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2080.157081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2080.157081][ T10] netlink_rcv_skb+0x130/0x360 [ 2080.157081][ T10] netlink_unicast+0x449/0x710 [ 2080.157081][ T10] netlink_sendmsg+0x723/0xbe0 [ 2080.157081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2080.157081][ T10] ___sys_sendmsg+0xee/0x170 [ 2080.157081][ T10] __sys_sendmsg+0xcd/0x170 [ 2080.157081][ T10] do_syscall_64+0xc6/0x1e0 [ 2080.157081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2080.157081][ T10] [ 2080.159409][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2080.159409][ T10] netdev_get_by_index+0x5e/0x80 [ 2080.159409][ T10] fib6_nh_init+0x3d8/0x1580 [ 2080.159409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2080.159409][ T10] ip6_route_add+0x1c/0x140 [ 2080.159409][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2080.159409][ T10] addrconf_add_dev+0xe2/0x170 [ 2080.159409][ T10] inet6_addr_add+0x12f/0xa40 [ 2080.159409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2080.159409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2080.159409][ T10] netlink_rcv_skb+0x130/0x360 [ 2080.159409][ T10] netlink_unicast+0x449/0x710 [ 2080.159409][ T10] netlink_sendmsg+0x723/0xbe0 [ 2080.159409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2080.159409][ T10] ___sys_sendmsg+0xee/0x170 [ 2080.159409][ T10] __sys_sendmsg+0xcd/0x170 [ 2080.159409][ T10] do_syscall_64+0xc6/0x1e0 [ 2080.159409][ T10] [ 2080.161567][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2080.161567][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2080.161567][ T10] ipv6_find_idev+0x102/0x170 [ 2080.161567][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2080.161567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2080.161567][ T10] netlink_rcv_skb+0x130/0x360 [ 2080.161567][ T10] netlink_unicast+0x449/0x710 [ 2080.161567][ T10] netlink_sendmsg+0x723/0xbe0 [ 2080.161567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2080.161567][ T10] ___sys_sendmsg+0xee/0x170 [ 2080.161567][ T10] __sys_sendmsg+0xcd/0x170 [ 2080.161567][ T10] do_syscall_64+0xc6/0x1e0 [ 2080.161567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2080.161567][ T10] [ 2080.163301][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2080.163301][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2080.163301][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2080.163301][ T10] ipv6_find_idev+0x102/0x170 [ 2080.163301][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2080.163301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2080.163301][ T10] netlink_rcv_skb+0x130/0x360 [ 2080.163301][ T10] netlink_unicast+0x449/0x710 [ 2080.163301][ T10] netlink_sendmsg+0x723/0xbe0 [ 2080.163301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2080.163301][ T10] ___sys_sendmsg+0xee/0x170 [ 2080.163301][ T10] __sys_sendmsg+0xcd/0x170 [ 2080.163301][ T10] do_syscall_64+0xc6/0x1e0 [ 2080.163301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2080.163301][ T10] [ 2080.165234][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2080.165483][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2080.165483][ T10] netdev_get_by_index+0x5e/0x80 [ 2080.165483][ T10] fib6_nh_init+0x3d8/0x1580 [ 2080.165483][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2080.165483][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2080.165483][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2080.165483][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2080.165483][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2080.165483][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2080.165483][ T10] addrconf_dad_begin+0x310/0x670 [ 2080.165483][ T10] addrconf_dad_work+0x10b/0xab0 [ 2080.165483][ T10] process_one_work+0x84d/0x18a0 [ 2080.165483][ T10] worker_thread+0x587/0xd30 [ 2080.165483][ T10] kthread+0x28a/0x350 [ 2080.165483][ T10] ret_from_fork+0x31/0x70 [ 2080.165483][ T10] ret_from_fork_asm+0x1a/0x30 [ 2080.165483][ T10] [ 2080.167661][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2080.167661][ T10] netdev_get_by_index+0x5e/0x80 [ 2080.167661][ T10] fib6_nh_init+0x3d8/0x1580 [ 2080.167661][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2080.167661][ T10] ip6_route_add+0x1c/0x140 [ 2080.167661][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2080.167661][ T10] inet6_addr_add+0x4f8/0xa40 [ 2080.167661][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2080.167661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2080.167661][ T10] netlink_rcv_skb+0x130/0x360 [ 2080.167661][ T10] netlink_unicast+0x449/0x710 [ 2080.167661][ T10] netlink_sendmsg+0x723/0xbe0 [ 2080.167661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2080.167661][ T10] ___sys_sendmsg+0xee/0x170 [ 2080.167661][ T10] __sys_sendmsg+0xcd/0x170 [ 2080.167661][ T10] do_syscall_64+0xc6/0x1e0 [ 2080.167661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2080.167661][ T10] [ 2080.169939][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2080.169939][ T10] netdev_get_by_index+0x5e/0x80 [ 2080.169939][ T10] fib6_nh_init+0x3d8/0x1580 [ 2080.169939][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2080.169939][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2080.169939][ T10] ipv6_add_addr+0x411/0x2000 [ 2080.169939][ T10] inet6_addr_add+0x30e/0xa40 [ 2080.169939][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2080.169939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2080.169939][ T10] netlink_rcv_skb+0x130/0x360 [ 2080.169939][ T10] netlink_unicast+0x449/0x710 [ 2080.169939][ T10] netlink_sendmsg+0x723/0xbe0 [ 2080.169939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2080.169939][ T10] ___sys_sendmsg+0xee/0x170 [ 2080.169939][ T10] __sys_sendmsg+0xcd/0x170 [ 2080.169939][ T10] do_syscall_64+0xc6/0x1e0 [ 2080.169939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2080.169939][ T10] [ 2080.172212][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2080.172212][ T10] netdev_get_by_index+0x5e/0x80 [ 2080.172212][ T10] fib6_nh_init+0x3d8/0x1580 [ 2080.172212][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2080.172212][ T10] ip6_route_add+0x1c/0x140 [ 2080.172212][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2080.172212][ T10] addrconf_add_dev+0xe2/0x170 [ 2080.172212][ T10] inet6_addr_add+0x12f/0xa40 [ 2080.172212][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2080.172212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2080.172212][ T10] netlink_rcv_skb+0x130/0x360 [ 2080.172212][ T10] netlink_unicast+0x449/0x710 [ 2080.172212][ T10] netlink_sendmsg+0x723/0xbe0 [ 2080.172212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2080.172212][ T10] ___sys_sendmsg+0xee/0x170 [ 2080.172212][ T10] __sys_sendmsg+0xcd/0x170 [ 2080.172212][ T10] do_syscall_64+0xc6/0x1e0 [ 2080.172212][ T10] [ 2080.174440][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2080.174440][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2080.174440][ T10] ipv6_find_idev+0x102/0x170 [ 2080.174440][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2080.174440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2080.174440][ T10] netlink_rcv_skb+0x130/0x360 [ 2080.174440][ T10] netlink_unicast+0x449/0x710 [ 2080.174440][ T10] netlink_sendmsg+0x723/0xbe0 [ 2080.174440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2080.174440][ T10] ___sys_sendmsg+0xee/0x170 [ 2080.174440][ T10] __sys_sendmsg+0xcd/0x170 [ 2080.174440][ T10] do_syscall_64+0xc6/0x1e0 [ 2080.174440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2080.174440][ T10] [ 2080.176179][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2080.176179][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2080.176179][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2080.176179][ T10] ipv6_find_idev+0x102/0x170 [ 2080.176179][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2080.176179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2080.176179][ T10] netlink_rcv_skb+0x130/0x360 [ 2080.176179][ T10] netlink_unicast+0x449/0x710 [ 2080.176179][ T10] netlink_sendmsg+0x723/0xbe0 [ 2080.176179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2080.176179][ T10] ___sys_sendmsg+0xee/0x170 [ 2080.176179][ T10] __sys_sendmsg+0xcd/0x170 [ 2080.176179][ T10] do_syscall_64+0xc6/0x1e0 [ 2080.176179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2080.176179][ T10] [ 2084.873105][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2084.873642][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2084.873642][ T1167] dst_init+0x84/0x4a0 [ 2084.873642][ T1167] dst_alloc+0x97/0x150 [ 2084.873642][ T1167] ip6_dst_alloc+0x23/0x90 [ 2084.873642][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2084.873642][ T1167] ip6_pol_route+0x56f/0x840 [ 2084.873642][ T1167] fib6_rule_lookup+0x334/0x630 [ 2084.873642][ T1167] ip6_route_output_flags+0x259/0x480 [ 2084.873642][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2084.873642][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2084.873642][ T1167] netlink_rcv_skb+0x130/0x360 [ 2084.873642][ T1167] netlink_unicast+0x449/0x710 [ 2084.873642][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2084.873642][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2084.873642][ T1167] ___sys_sendmsg+0xee/0x170 [ 2084.873642][ T1167] __sys_sendmsg+0xcd/0x170 [ 2084.873642][ T1167] do_syscall_64+0xc6/0x1e0 [ 2084.873642][ T1167] [ 2084.876123][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2084.876123][ T1167] netdev_get_by_index+0x5e/0x80 [ 2084.876123][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2084.876123][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2084.876123][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2084.876123][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2084.876123][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2084.876123][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2084.876123][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2084.876123][ T1167] addrconf_dad_begin+0x310/0x670 [ 2084.876123][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2084.876123][ T1167] process_one_work+0x84d/0x18a0 [ 2084.876123][ T1167] worker_thread+0x587/0xd30 [ 2084.876123][ T1167] kthread+0x28a/0x350 [ 2084.876123][ T1167] ret_from_fork+0x31/0x70 [ 2084.876123][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2084.876123][ T1167] [ 2084.878654][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2084.878654][ T1167] netdev_get_by_index+0x5e/0x80 [ 2084.878654][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2084.878654][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2084.878654][ T1167] ip6_route_add+0x1c/0x140 [ 2084.878654][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2084.878654][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2084.878654][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2084.878654][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.878654][ T1167] netlink_rcv_skb+0x130/0x360 [ 2084.878654][ T1167] netlink_unicast+0x449/0x710 [ 2084.878654][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2084.878654][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2084.878654][ T1167] ___sys_sendmsg+0xee/0x170 [ 2084.878654][ T1167] __sys_sendmsg+0xcd/0x170 [ 2084.878654][ T1167] do_syscall_64+0xc6/0x1e0 [ 2084.878654][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.878654][ T1167] [ 2084.881179][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2084.881179][ T1167] netdev_get_by_index+0x5e/0x80 [ 2084.881179][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2084.881179][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2084.881179][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2084.881179][ T1167] ipv6_add_addr+0x411/0x2000 [ 2084.881179][ T1167] inet6_addr_add+0x30e/0xa40 [ 2084.881179][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2084.881179][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.881179][ T1167] netlink_rcv_skb+0x130/0x360 [ 2084.881179][ T1167] netlink_unicast+0x449/0x710 [ 2084.881179][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2084.881179][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2084.881179][ T1167] ___sys_sendmsg+0xee/0x170 [ 2084.881179][ T1167] __sys_sendmsg+0xcd/0x170 [ 2084.881179][ T1167] do_syscall_64+0xc6/0x1e0 [ 2084.881179][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.881179][ T1167] [ 2084.883692][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2084.883692][ T1167] netdev_get_by_index+0x5e/0x80 [ 2084.883692][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2084.883692][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2084.883692][ T1167] ip6_route_add+0x1c/0x140 [ 2084.883692][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2084.883692][ T1167] addrconf_add_dev+0xe2/0x170 [ 2084.883692][ T1167] inet6_addr_add+0x12f/0xa40 [ 2084.883692][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2084.883692][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.883692][ T1167] netlink_rcv_skb+0x130/0x360 [ 2084.883692][ T1167] netlink_unicast+0x449/0x710 [ 2084.883692][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2084.883692][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2084.883692][ T1167] ___sys_sendmsg+0xee/0x170 [ 2084.883692][ T1167] __sys_sendmsg+0xcd/0x170 [ 2084.883692][ T1167] do_syscall_64+0xc6/0x1e0 [ 2084.883692][ T1167] [ 2084.886168][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2084.886168][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2084.886168][ T1167] ipv6_find_idev+0x102/0x170 [ 2084.886168][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2084.886168][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.886168][ T1167] netlink_rcv_skb+0x130/0x360 [ 2084.886168][ T1167] netlink_unicast+0x449/0x710 [ 2084.886168][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2084.886168][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2084.886168][ T1167] ___sys_sendmsg+0xee/0x170 [ 2084.886168][ T1167] __sys_sendmsg+0xcd/0x170 [ 2084.886168][ T1167] do_syscall_64+0xc6/0x1e0 [ 2084.886168][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.886168][ T1167] [ 2084.888100][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2084.888100][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2084.888100][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2084.888100][ T1167] ipv6_find_idev+0x102/0x170 [ 2084.888100][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2084.888100][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.888100][ T1167] netlink_rcv_skb+0x130/0x360 [ 2084.888100][ T1167] netlink_unicast+0x449/0x710 [ 2084.888100][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2084.888100][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2084.888100][ T1167] ___sys_sendmsg+0xee/0x170 [ 2084.888100][ T1167] __sys_sendmsg+0xcd/0x170 [ 2084.888100][ T1167] do_syscall_64+0xc6/0x1e0 [ 2084.888100][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.888100][ T1167] [ 2090.249129][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2090.249566][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2090.249566][ T10] netdev_get_by_index+0x5e/0x80 [ 2090.249566][ T10] fib6_nh_init+0x3d8/0x1580 [ 2090.249566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2090.249566][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2090.249566][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2090.249566][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2090.249566][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2090.249566][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2090.249566][ T10] addrconf_dad_begin+0x310/0x670 [ 2090.249566][ T10] addrconf_dad_work+0x10b/0xab0 [ 2090.249566][ T10] process_one_work+0x84d/0x18a0 [ 2090.249566][ T10] worker_thread+0x587/0xd30 [ 2090.249566][ T10] kthread+0x28a/0x350 [ 2090.249566][ T10] ret_from_fork+0x31/0x70 [ 2090.249566][ T10] ret_from_fork_asm+0x1a/0x30 [ 2090.249566][ T10] [ 2090.251520][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2090.251520][ T10] netdev_get_by_index+0x5e/0x80 [ 2090.251520][ T10] fib6_nh_init+0x3d8/0x1580 [ 2090.251520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2090.251520][ T10] ip6_route_add+0x1c/0x140 [ 2090.251520][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2090.251520][ T10] inet6_addr_add+0x4f8/0xa40 [ 2090.251520][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2090.251520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2090.251520][ T10] netlink_rcv_skb+0x130/0x360 [ 2090.251520][ T10] netlink_unicast+0x449/0x710 [ 2090.251520][ T10] netlink_sendmsg+0x723/0xbe0 [ 2090.251520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2090.251520][ T10] ___sys_sendmsg+0xee/0x170 [ 2090.251520][ T10] __sys_sendmsg+0xcd/0x170 [ 2090.251520][ T10] do_syscall_64+0xc6/0x1e0 [ 2090.251520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2090.251520][ T10] [ 2090.253536][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2090.253536][ T10] netdev_get_by_index+0x5e/0x80 [ 2090.253536][ T10] fib6_nh_init+0x3d8/0x1580 [ 2090.253536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2090.253536][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2090.253536][ T10] ipv6_add_addr+0x411/0x2000 [ 2090.253536][ T10] inet6_addr_add+0x30e/0xa40 [ 2090.253536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2090.253536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2090.253536][ T10] netlink_rcv_skb+0x130/0x360 [ 2090.253536][ T10] netlink_unicast+0x449/0x710 [ 2090.253536][ T10] netlink_sendmsg+0x723/0xbe0 [ 2090.253536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2090.253536][ T10] ___sys_sendmsg+0xee/0x170 [ 2090.253536][ T10] __sys_sendmsg+0xcd/0x170 [ 2090.253536][ T10] do_syscall_64+0xc6/0x1e0 [ 2090.253536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2090.253536][ T10] [ 2090.255534][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2090.255534][ T10] netdev_get_by_index+0x5e/0x80 [ 2090.255534][ T10] fib6_nh_init+0x3d8/0x1580 [ 2090.255534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2090.255534][ T10] ip6_route_add+0x1c/0x140 [ 2090.255534][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2090.255534][ T10] addrconf_add_dev+0xe2/0x170 [ 2090.255534][ T10] inet6_addr_add+0x12f/0xa40 [ 2090.255534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2090.255534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2090.255534][ T10] netlink_rcv_skb+0x130/0x360 [ 2090.255534][ T10] netlink_unicast+0x449/0x710 [ 2090.255534][ T10] netlink_sendmsg+0x723/0xbe0 [ 2090.255534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2090.255534][ T10] ___sys_sendmsg+0xee/0x170 [ 2090.255534][ T10] __sys_sendmsg+0xcd/0x170 [ 2090.255534][ T10] do_syscall_64+0xc6/0x1e0 [ 2090.255534][ T10] [ 2090.257542][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2090.257542][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2090.257542][ T10] ipv6_find_idev+0x102/0x170 [ 2090.257542][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2090.257542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2090.257542][ T10] netlink_rcv_skb+0x130/0x360 [ 2090.257542][ T10] netlink_unicast+0x449/0x710 [ 2090.257542][ T10] netlink_sendmsg+0x723/0xbe0 [ 2090.257542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2090.257542][ T10] ___sys_sendmsg+0xee/0x170 [ 2090.257542][ T10] __sys_sendmsg+0xcd/0x170 [ 2090.257542][ T10] do_syscall_64+0xc6/0x1e0 [ 2090.257542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2090.257542][ T10] [ 2090.259126][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2090.259126][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2090.259126][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2090.259126][ T10] ipv6_find_idev+0x102/0x170 [ 2090.259126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2090.259126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2090.259126][ T10] netlink_rcv_skb+0x130/0x360 [ 2090.259126][ T10] netlink_unicast+0x449/0x710 [ 2090.259126][ T10] netlink_sendmsg+0x723/0xbe0 [ 2090.259126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2090.259126][ T10] ___sys_sendmsg+0xee/0x170 [ 2090.259126][ T10] __sys_sendmsg+0xcd/0x170 [ 2090.259126][ T10] do_syscall_64+0xc6/0x1e0 [ 2090.259126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2090.259126][ T10] [ 2090.260832][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2090.261095][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2090.261095][ T10] netdev_get_by_index+0x5e/0x80 [ 2090.261095][ T10] fib6_nh_init+0x3d8/0x1580 [ 2090.261095][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2090.261095][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2090.261095][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2090.261095][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2090.261095][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2090.261095][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2090.261095][ T10] addrconf_dad_begin+0x310/0x670 [ 2090.261095][ T10] addrconf_dad_work+0x10b/0xab0 [ 2090.261095][ T10] process_one_work+0x84d/0x18a0 [ 2090.261095][ T10] worker_thread+0x587/0xd30 [ 2090.261095][ T10] kthread+0x28a/0x350 [ 2090.261095][ T10] ret_from_fork+0x31/0x70 [ 2090.261095][ T10] ret_from_fork_asm+0x1a/0x30 [ 2090.261095][ T10] [ 2090.263031][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2090.263031][ T10] netdev_get_by_index+0x5e/0x80 [ 2090.263031][ T10] fib6_nh_init+0x3d8/0x1580 [ 2090.263031][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2090.263031][ T10] ip6_route_add+0x1c/0x140 [ 2090.263031][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2090.263031][ T10] inet6_addr_add+0x4f8/0xa40 [ 2090.263031][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2090.263031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2090.263031][ T10] netlink_rcv_skb+0x130/0x360 [ 2090.263031][ T10] netlink_unicast+0x449/0x710 [ 2090.263031][ T10] netlink_sendmsg+0x723/0xbe0 [ 2090.263031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2090.263031][ T10] ___sys_sendmsg+0xee/0x170 [ 2090.263031][ T10] __sys_sendmsg+0xcd/0x170 [ 2090.263031][ T10] do_syscall_64+0xc6/0x1e0 [ 2090.263031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2090.263031][ T10] [ 2090.265027][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2090.265027][ T10] netdev_get_by_index+0x5e/0x80 [ 2090.265027][ T10] fib6_nh_init+0x3d8/0x1580 [ 2090.265027][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2090.265027][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2090.265027][ T10] ipv6_add_addr+0x411/0x2000 [ 2090.265027][ T10] inet6_addr_add+0x30e/0xa40 [ 2090.265027][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2090.265027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2090.265027][ T10] netlink_rcv_skb+0x130/0x360 [ 2090.265027][ T10] netlink_unicast+0x449/0x710 [ 2090.265027][ T10] netlink_sendmsg+0x723/0xbe0 [ 2090.265027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2090.265027][ T10] ___sys_sendmsg+0xee/0x170 [ 2090.265027][ T10] __sys_sendmsg+0xcd/0x170 [ 2090.265027][ T10] do_syscall_64+0xc6/0x1e0 [ 2090.265027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2090.265027][ T10] [ 2090.267046][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2090.267046][ T10] netdev_get_by_index+0x5e/0x80 [ 2090.267046][ T10] fib6_nh_init+0x3d8/0x1580 [ 2090.267046][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2090.267046][ T10] ip6_route_add+0x1c/0x140 [ 2090.267046][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2090.267046][ T10] addrconf_add_dev+0xe2/0x170 [ 2090.267046][ T10] inet6_addr_add+0x12f/0xa40 [ 2090.267046][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2090.267046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2090.267046][ T10] netlink_rcv_skb+0x130/0x360 [ 2090.267046][ T10] netlink_unicast+0x449/0x710 [ 2090.267046][ T10] netlink_sendmsg+0x723/0xbe0 [ 2090.267046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2090.267046][ T10] ___sys_sendmsg+0xee/0x170 [ 2090.267046][ T10] __sys_sendmsg+0xcd/0x170 [ 2090.267046][ T10] do_syscall_64+0xc6/0x1e0 [ 2090.267046][ T10] [ 2090.269018][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2090.269018][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2090.269018][ T10] ipv6_find_idev+0x102/0x170 [ 2090.269018][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2090.269018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2090.269018][ T10] netlink_rcv_skb+0x130/0x360 [ 2090.269018][ T10] netlink_unicast+0x449/0x710 [ 2090.269018][ T10] netlink_sendmsg+0x723/0xbe0 [ 2090.269018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2090.269018][ T10] ___sys_sendmsg+0xee/0x170 [ 2090.269018][ T10] __sys_sendmsg+0xcd/0x170 [ 2090.269018][ T10] do_syscall_64+0xc6/0x1e0 [ 2090.269018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2090.269018][ T10] [ 2090.270560][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2090.270560][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2090.270560][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2090.270560][ T10] ipv6_find_idev+0x102/0x170 [ 2090.270560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2090.270560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2090.270560][ T10] netlink_rcv_skb+0x130/0x360 [ 2090.270560][ T10] netlink_unicast+0x449/0x710 [ 2090.270560][ T10] netlink_sendmsg+0x723/0xbe0 [ 2090.270560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2090.270560][ T10] ___sys_sendmsg+0xee/0x170 [ 2090.270560][ T10] __sys_sendmsg+0xcd/0x170 [ 2090.270560][ T10] do_syscall_64+0xc6/0x1e0 [ 2090.270560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2090.270560][ T10] [ 2090.272245][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2090.272492][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2090.272492][ T10] netdev_get_by_index+0x5e/0x80 [ 2090.272492][ T10] fib6_nh_init+0x3d8/0x1580 [ 2090.272492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2090.272492][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2090.272492][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2090.272492][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2090.272492][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2090.272492][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2090.272492][ T10] addrconf_dad_begin+0x310/0x670 [ 2090.272492][ T10] addrconf_dad_work+0x10b/0xab0 [ 2090.272492][ T10] process_one_work+0x84d/0x18a0 [ 2090.272492][ T10] worker_thread+0x587/0xd30 [ 2090.272492][ T10] kthread+0x28a/0x350 [ 2090.272492][ T10] ret_from_fork+0x31/0x70 [ 2090.272492][ T10] ret_from_fork_asm+0x1a/0x30 [ 2090.272492][ T10] [ 2090.274406][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2090.274406][ T10] netdev_get_by_index+0x5e/0x80 [ 2090.274406][ T10] fib6_nh_init+0x3d8/0x1580 [ 2090.274406][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2090.274406][ T10] ip6_route_add+0x1c/0x140 [ 2090.274406][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2090.274406][ T10] inet6_addr_add+0x4f8/0xa40 [ 2090.274406][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2090.274406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2090.274406][ T10] netlink_rcv_skb+0x130/0x360 [ 2090.274406][ T10] netlink_unicast+0x449/0x710 [ 2090.274406][ T10] netlink_sendmsg+0x723/0xbe0 [ 2090.274406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2090.274406][ T10] ___sys_sendmsg+0xee/0x170 [ 2090.274406][ T10] __sys_sendmsg+0xcd/0x170 [ 2090.274406][ T10] do_syscall_64+0xc6/0x1e0 [ 2090.274406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2090.274406][ T10] [ 2090.276597][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2090.276597][ T10] netdev_get_by_index+0x5e/0x80 [ 2090.276597][ T10] fib6_nh_init+0x3d8/0x1580 [ 2090.276597][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2090.276597][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2090.276597][ T10] ipv6_add_addr+0x411/0x2000 [ 2090.276597][ T10] inet6_addr_add+0x30e/0xa40 [ 2090.276597][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2090.276597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2090.276597][ T10] netlink_rcv_skb+0x130/0x360 [ 2090.276597][ T10] netlink_unicast+0x449/0x710 [ 2090.276597][ T10] netlink_sendmsg+0x723/0xbe0 [ 2090.276597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2090.276597][ T10] ___sys_sendmsg+0xee/0x170 [ 2090.276597][ T10] __sys_sendmsg+0xcd/0x170 [ 2090.276597][ T10] do_syscall_64+0xc6/0x1e0 [ 2090.276597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2090.276597][ T10] [ 2090.278908][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2090.278908][ T10] netdev_get_by_index+0x5e/0x80 [ 2090.278908][ T10] fib6_nh_init+0x3d8/0x1580 [ 2090.278908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2090.278908][ T10] ip6_route_add+0x1c/0x140 [ 2090.278908][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2090.278908][ T10] addrconf_add_dev+0xe2/0x170 [ 2090.278908][ T10] inet6_addr_add+0x12f/0xa40 [ 2090.278908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2090.278908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2090.278908][ T10] netlink_rcv_skb+0x130/0x360 [ 2090.278908][ T10] netlink_unicast+0x449/0x710 [ 2090.278908][ T10] netlink_sendmsg+0x723/0xbe0 [ 2090.278908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2090.278908][ T10] ___sys_sendmsg+0xee/0x170 [ 2090.278908][ T10] __sys_sendmsg+0xcd/0x170 [ 2090.278908][ T10] do_syscall_64+0xc6/0x1e0 [ 2090.278908][ T10] [ 2090.281114][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2090.281114][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2090.281114][ T10] ipv6_find_idev+0x102/0x170 [ 2090.281114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2090.281114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2090.281114][ T10] netlink_rcv_skb+0x130/0x360 [ 2090.281114][ T10] netlink_unicast+0x449/0x710 [ 2090.281114][ T10] netlink_sendmsg+0x723/0xbe0 [ 2090.281114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2090.281114][ T10] ___sys_sendmsg+0xee/0x170 [ 2090.281114][ T10] __sys_sendmsg+0xcd/0x170 [ 2090.281114][ T10] do_syscall_64+0xc6/0x1e0 [ 2090.281114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2090.281114][ T10] [ 2090.282833][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2090.282833][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2090.282833][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2090.282833][ T10] ipv6_find_idev+0x102/0x170 [ 2090.282833][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2090.282833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2090.282833][ T10] netlink_rcv_skb+0x130/0x360 [ 2090.282833][ T10] netlink_unicast+0x449/0x710 [ 2090.282833][ T10] netlink_sendmsg+0x723/0xbe0 [ 2090.282833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2090.282833][ T10] ___sys_sendmsg+0xee/0x170 [ 2090.282833][ T10] __sys_sendmsg+0xcd/0x170 [ 2090.282833][ T10] do_syscall_64+0xc6/0x1e0 [ 2090.282833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2090.282833][ T10] [ 2090.284699][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2090.284935][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2090.284935][ T10] netdev_get_by_index+0x5e/0x80 [ 2090.284935][ T10] fib6_nh_init+0x3d8/0x1580 [ 2090.284935][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2090.284935][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2090.284935][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2090.284935][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2090.284935][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2090.284935][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2090.284935][ T10] addrconf_dad_begin+0x310/0x670 [ 2090.284935][ T10] addrconf_dad_work+0x10b/0xab0 [ 2090.284935][ T10] process_one_work+0x84d/0x18a0 [ 2090.284935][ T10] worker_thread+0x587/0xd30 [ 2090.284935][ T10] kthread+0x28a/0x350 [ 2090.284935][ T10] ret_from_fork+0x31/0x70 [ 2090.284935][ T10] ret_from_fork_asm+0x1a/0x30 [ 2090.284935][ T10] [ 2090.287165][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2090.287165][ T10] netdev_get_by_index+0x5e/0x80 [ 2090.287165][ T10] fib6_nh_init+0x3d8/0x1580 [ 2090.287165][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2090.287165][ T10] ip6_route_add+0x1c/0x140 [ 2090.287165][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2090.287165][ T10] inet6_addr_add+0x4f8/0xa40 [ 2090.287165][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2090.287165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2090.287165][ T10] netlink_rcv_skb+0x130/0x360 [ 2090.287165][ T10] netlink_unicast+0x449/0x710 [ 2090.287165][ T10] netlink_sendmsg+0x723/0xbe0 [ 2090.287165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2090.287165][ T10] ___sys_sendmsg+0xee/0x170 [ 2090.287165][ T10] __sys_sendmsg+0xcd/0x170 [ 2090.287165][ T10] do_syscall_64+0xc6/0x1e0 [ 2090.287165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2090.287165][ T10] [ 2090.289418][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2090.289418][ T10] netdev_get_by_index+0x5e/0x80 [ 2090.289418][ T10] fib6_nh_init+0x3d8/0x1580 [ 2090.289418][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2090.289418][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2090.289418][ T10] ipv6_add_addr+0x411/0x2000 [ 2090.289418][ T10] inet6_addr_add+0x30e/0xa40 [ 2090.289418][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2090.289418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2090.289418][ T10] netlink_rcv_skb+0x130/0x360 [ 2090.289418][ T10] netlink_unicast+0x449/0x710 [ 2090.289418][ T10] netlink_sendmsg+0x723/0xbe0 [ 2090.289418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2090.289418][ T10] ___sys_sendmsg+0xee/0x170 [ 2090.289418][ T10] __sys_sendmsg+0xcd/0x170 [ 2090.289418][ T10] do_syscall_64+0xc6/0x1e0 [ 2090.289418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2090.289418][ T10] [ 2090.291658][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2090.291658][ T10] netdev_get_by_index+0x5e/0x80 [ 2090.291658][ T10] fib6_nh_init+0x3d8/0x1580 [ 2090.291658][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2090.291658][ T10] ip6_route_add+0x1c/0x140 [ 2090.291658][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2090.291658][ T10] addrconf_add_dev+0xe2/0x170 [ 2090.291658][ T10] inet6_addr_add+0x12f/0xa40 [ 2090.291658][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2090.291658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2090.291658][ T10] netlink_rcv_skb+0x130/0x360 [ 2090.291658][ T10] netlink_unicast+0x449/0x710 [ 2090.291658][ T10] netlink_sendmsg+0x723/0xbe0 [ 2090.291658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2090.291658][ T10] ___sys_sendmsg+0xee/0x170 [ 2090.291658][ T10] __sys_sendmsg+0xcd/0x170 [ 2090.291658][ T10] do_syscall_64+0xc6/0x1e0 [ 2090.291658][ T10] [ 2090.293810][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2090.293810][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2090.293810][ T10] ipv6_find_idev+0x102/0x170 [ 2090.293810][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2090.293810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2090.293810][ T10] netlink_rcv_skb+0x130/0x360 [ 2090.293810][ T10] netlink_unicast+0x449/0x710 [ 2090.293810][ T10] netlink_sendmsg+0x723/0xbe0 [ 2090.293810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2090.293810][ T10] ___sys_sendmsg+0xee/0x170 [ 2090.293810][ T10] __sys_sendmsg+0xcd/0x170 [ 2090.293810][ T10] do_syscall_64+0xc6/0x1e0 [ 2090.293810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2090.293810][ T10] [ 2090.295529][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2090.295529][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2090.295529][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2090.295529][ T10] ipv6_find_idev+0x102/0x170 [ 2090.295529][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2090.295529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2090.295529][ T10] netlink_rcv_skb+0x130/0x360 [ 2090.295529][ T10] netlink_unicast+0x449/0x710 [ 2090.295529][ T10] netlink_sendmsg+0x723/0xbe0 [ 2090.295529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2090.295529][ T10] ___sys_sendmsg+0xee/0x170 [ 2090.295529][ T10] __sys_sendmsg+0xcd/0x170 [ 2090.295529][ T10] do_syscall_64+0xc6/0x1e0 [ 2090.295529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2090.295529][ T10] [ 2095.137102][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2095.137646][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2095.137646][ T1167] dst_init+0x84/0x4a0 [ 2095.137646][ T1167] dst_alloc+0x97/0x150 [ 2095.137646][ T1167] ip6_dst_alloc+0x23/0x90 [ 2095.137646][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2095.137646][ T1167] ip6_pol_route+0x56f/0x840 [ 2095.137646][ T1167] fib6_rule_lookup+0x334/0x630 [ 2095.137646][ T1167] ip6_route_output_flags+0x259/0x480 [ 2095.137646][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2095.137646][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2095.137646][ T1167] netlink_rcv_skb+0x130/0x360 [ 2095.137646][ T1167] netlink_unicast+0x449/0x710 [ 2095.137646][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2095.137646][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2095.137646][ T1167] ___sys_sendmsg+0xee/0x170 [ 2095.137646][ T1167] __sys_sendmsg+0xcd/0x170 [ 2095.137646][ T1167] do_syscall_64+0xc6/0x1e0 [ 2095.137646][ T1167] [ 2095.140145][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2095.140145][ T1167] netdev_get_by_index+0x5e/0x80 [ 2095.140145][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2095.140145][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2095.140145][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2095.140145][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2095.140145][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2095.140145][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2095.140145][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2095.140145][ T1167] addrconf_dad_begin+0x310/0x670 [ 2095.140145][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2095.140145][ T1167] process_one_work+0x84d/0x18a0 [ 2095.140145][ T1167] worker_thread+0x587/0xd30 [ 2095.140145][ T1167] kthread+0x28a/0x350 [ 2095.140145][ T1167] ret_from_fork+0x31/0x70 [ 2095.140145][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2095.140145][ T1167] [ 2095.142580][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2095.142580][ T1167] netdev_get_by_index+0x5e/0x80 [ 2095.142580][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2095.142580][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2095.142580][ T1167] ip6_route_add+0x1c/0x140 [ 2095.142580][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2095.142580][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2095.142580][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2095.142580][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2095.142580][ T1167] netlink_rcv_skb+0x130/0x360 [ 2095.142580][ T1167] netlink_unicast+0x449/0x710 [ 2095.142580][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2095.142580][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2095.142580][ T1167] ___sys_sendmsg+0xee/0x170 [ 2095.142580][ T1167] __sys_sendmsg+0xcd/0x170 [ 2095.142580][ T1167] do_syscall_64+0xc6/0x1e0 [ 2095.142580][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2095.142580][ T1167] [ 2095.145092][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2095.145092][ T1167] netdev_get_by_index+0x5e/0x80 [ 2095.145092][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2095.145092][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2095.145092][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2095.145092][ T1167] ipv6_add_addr+0x411/0x2000 [ 2095.145092][ T1167] inet6_addr_add+0x30e/0xa40 [ 2095.145092][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2095.145092][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2095.145092][ T1167] netlink_rcv_skb+0x130/0x360 [ 2095.145092][ T1167] netlink_unicast+0x449/0x710 [ 2095.145092][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2095.145092][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2095.145092][ T1167] ___sys_sendmsg+0xee/0x170 [ 2095.145092][ T1167] __sys_sendmsg+0xcd/0x170 [ 2095.145092][ T1167] do_syscall_64+0xc6/0x1e0 [ 2095.145092][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2095.145092][ T1167] [ 2095.147605][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2095.147605][ T1167] netdev_get_by_index+0x5e/0x80 [ 2095.147605][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2095.147605][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2095.147605][ T1167] ip6_route_add+0x1c/0x140 [ 2095.147605][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2095.147605][ T1167] addrconf_add_dev+0xe2/0x170 [ 2095.147605][ T1167] inet6_addr_add+0x12f/0xa40 [ 2095.147605][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2095.147605][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2095.147605][ T1167] netlink_rcv_skb+0x130/0x360 [ 2095.147605][ T1167] netlink_unicast+0x449/0x710 [ 2095.147605][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2095.147605][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2095.147605][ T1167] ___sys_sendmsg+0xee/0x170 [ 2095.147605][ T1167] __sys_sendmsg+0xcd/0x170 [ 2095.147605][ T1167] do_syscall_64+0xc6/0x1e0 [ 2095.147605][ T1167] [ 2095.150072][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2095.150072][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2095.150072][ T1167] ipv6_find_idev+0x102/0x170 [ 2095.150072][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2095.150072][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2095.150072][ T1167] netlink_rcv_skb+0x130/0x360 [ 2095.150072][ T1167] netlink_unicast+0x449/0x710 [ 2095.150072][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2095.150072][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2095.150072][ T1167] ___sys_sendmsg+0xee/0x170 [ 2095.150072][ T1167] __sys_sendmsg+0xcd/0x170 [ 2095.150072][ T1167] do_syscall_64+0xc6/0x1e0 [ 2095.150072][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2095.150072][ T1167] [ 2095.152009][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2095.152009][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2095.152009][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2095.152009][ T1167] ipv6_find_idev+0x102/0x170 [ 2095.152009][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2095.152009][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2095.152009][ T1167] netlink_rcv_skb+0x130/0x360 [ 2095.152009][ T1167] netlink_unicast+0x449/0x710 [ 2095.152009][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2095.152009][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2095.152009][ T1167] ___sys_sendmsg+0xee/0x170 [ 2095.152009][ T1167] __sys_sendmsg+0xcd/0x170 [ 2095.152009][ T1167] do_syscall_64+0xc6/0x1e0 [ 2095.152009][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2095.152009][ T1167] [ 2100.537076][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2100.537464][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2100.537464][ T10] netdev_get_by_index+0x5e/0x80 [ 2100.537464][ T10] fib6_nh_init+0x3d8/0x1580 [ 2100.537464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2100.537464][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2100.537464][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2100.537464][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2100.537464][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2100.537464][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2100.537464][ T10] addrconf_dad_begin+0x310/0x670 [ 2100.537464][ T10] addrconf_dad_work+0x10b/0xab0 [ 2100.537464][ T10] process_one_work+0x84d/0x18a0 [ 2100.537464][ T10] worker_thread+0x587/0xd30 [ 2100.537464][ T10] kthread+0x28a/0x350 [ 2100.537464][ T10] ret_from_fork+0x31/0x70 [ 2100.537464][ T10] ret_from_fork_asm+0x1a/0x30 [ 2100.537464][ T10] [ 2100.539458][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2100.539458][ T10] netdev_get_by_index+0x5e/0x80 [ 2100.539458][ T10] fib6_nh_init+0x3d8/0x1580 [ 2100.539458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2100.539458][ T10] ip6_route_add+0x1c/0x140 [ 2100.539458][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2100.539458][ T10] inet6_addr_add+0x4f8/0xa40 [ 2100.539458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2100.539458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2100.539458][ T10] netlink_rcv_skb+0x130/0x360 [ 2100.539458][ T10] netlink_unicast+0x449/0x710 [ 2100.539458][ T10] netlink_sendmsg+0x723/0xbe0 [ 2100.539458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2100.539458][ T10] ___sys_sendmsg+0xee/0x170 [ 2100.539458][ T10] __sys_sendmsg+0xcd/0x170 [ 2100.539458][ T10] do_syscall_64+0xc6/0x1e0 [ 2100.539458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2100.539458][ T10] [ 2100.541482][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2100.541482][ T10] netdev_get_by_index+0x5e/0x80 [ 2100.541482][ T10] fib6_nh_init+0x3d8/0x1580 [ 2100.541482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2100.541482][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2100.541482][ T10] ipv6_add_addr+0x411/0x2000 [ 2100.541482][ T10] inet6_addr_add+0x30e/0xa40 [ 2100.541482][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2100.541482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2100.541482][ T10] netlink_rcv_skb+0x130/0x360 [ 2100.541482][ T10] netlink_unicast+0x449/0x710 [ 2100.541482][ T10] netlink_sendmsg+0x723/0xbe0 [ 2100.541482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2100.541482][ T10] ___sys_sendmsg+0xee/0x170 [ 2100.541482][ T10] __sys_sendmsg+0xcd/0x170 [ 2100.541482][ T10] do_syscall_64+0xc6/0x1e0 [ 2100.541482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2100.541482][ T10] [ 2100.543486][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2100.543486][ T10] netdev_get_by_index+0x5e/0x80 [ 2100.543486][ T10] fib6_nh_init+0x3d8/0x1580 [ 2100.543486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2100.543486][ T10] ip6_route_add+0x1c/0x140 [ 2100.543486][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2100.543486][ T10] addrconf_add_dev+0xe2/0x170 [ 2100.543486][ T10] inet6_addr_add+0x12f/0xa40 [ 2100.543486][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2100.543486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2100.543486][ T10] netlink_rcv_skb+0x130/0x360 [ 2100.543486][ T10] netlink_unicast+0x449/0x710 [ 2100.543486][ T10] netlink_sendmsg+0x723/0xbe0 [ 2100.543486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2100.543486][ T10] ___sys_sendmsg+0xee/0x170 [ 2100.543486][ T10] __sys_sendmsg+0xcd/0x170 [ 2100.543486][ T10] do_syscall_64+0xc6/0x1e0 [ 2100.543486][ T10] [ 2100.545519][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2100.545519][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2100.545519][ T10] ipv6_find_idev+0x102/0x170 [ 2100.545519][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2100.545519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2100.545519][ T10] netlink_rcv_skb+0x130/0x360 [ 2100.545519][ T10] netlink_unicast+0x449/0x710 [ 2100.545519][ T10] netlink_sendmsg+0x723/0xbe0 [ 2100.545519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2100.545519][ T10] ___sys_sendmsg+0xee/0x170 [ 2100.545519][ T10] __sys_sendmsg+0xcd/0x170 [ 2100.545519][ T10] do_syscall_64+0xc6/0x1e0 [ 2100.545519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2100.545519][ T10] [ 2100.547066][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2100.547066][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2100.547066][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2100.547066][ T10] ipv6_find_idev+0x102/0x170 [ 2100.547066][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2100.547066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2100.547066][ T10] netlink_rcv_skb+0x130/0x360 [ 2100.547066][ T10] netlink_unicast+0x449/0x710 [ 2100.547066][ T10] netlink_sendmsg+0x723/0xbe0 [ 2100.547066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2100.547066][ T10] ___sys_sendmsg+0xee/0x170 [ 2100.547066][ T10] __sys_sendmsg+0xcd/0x170 [ 2100.547066][ T10] do_syscall_64+0xc6/0x1e0 [ 2100.547066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2100.547066][ T10] [ 2100.548796][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2100.549055][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2100.549055][ T10] netdev_get_by_index+0x5e/0x80 [ 2100.549055][ T10] fib6_nh_init+0x3d8/0x1580 [ 2100.549055][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2100.549055][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2100.549055][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2100.549055][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2100.549055][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2100.549055][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2100.549055][ T10] addrconf_dad_begin+0x310/0x670 [ 2100.549055][ T10] addrconf_dad_work+0x10b/0xab0 [ 2100.549055][ T10] process_one_work+0x84d/0x18a0 [ 2100.549055][ T10] worker_thread+0x587/0xd30 [ 2100.549055][ T10] kthread+0x28a/0x350 [ 2100.549055][ T10] ret_from_fork+0x31/0x70 [ 2100.549055][ T10] ret_from_fork_asm+0x1a/0x30 [ 2100.549055][ T10] [ 2100.550983][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2100.550983][ T10] netdev_get_by_index+0x5e/0x80 [ 2100.550983][ T10] fib6_nh_init+0x3d8/0x1580 [ 2100.550983][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2100.550983][ T10] ip6_route_add+0x1c/0x140 [ 2100.550983][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2100.550983][ T10] inet6_addr_add+0x4f8/0xa40 [ 2100.550983][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2100.550983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2100.550983][ T10] netlink_rcv_skb+0x130/0x360 [ 2100.550983][ T10] netlink_unicast+0x449/0x710 [ 2100.550983][ T10] netlink_sendmsg+0x723/0xbe0 [ 2100.550983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2100.550983][ T10] ___sys_sendmsg+0xee/0x170 [ 2100.550983][ T10] __sys_sendmsg+0xcd/0x170 [ 2100.550983][ T10] do_syscall_64+0xc6/0x1e0 [ 2100.550983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2100.550983][ T10] [ 2100.552999][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2100.552999][ T10] netdev_get_by_index+0x5e/0x80 [ 2100.552999][ T10] fib6_nh_init+0x3d8/0x1580 [ 2100.552999][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2100.552999][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2100.552999][ T10] ipv6_add_addr+0x411/0x2000 [ 2100.552999][ T10] inet6_addr_add+0x30e/0xa40 [ 2100.552999][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2100.552999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2100.552999][ T10] netlink_rcv_skb+0x130/0x360 [ 2100.552999][ T10] netlink_unicast+0x449/0x710 [ 2100.552999][ T10] netlink_sendmsg+0x723/0xbe0 [ 2100.552999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2100.552999][ T10] ___sys_sendmsg+0xee/0x170 [ 2100.552999][ T10] __sys_sendmsg+0xcd/0x170 [ 2100.552999][ T10] do_syscall_64+0xc6/0x1e0 [ 2100.552999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2100.552999][ T10] [ 2100.555008][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2100.555008][ T10] netdev_get_by_index+0x5e/0x80 [ 2100.555008][ T10] fib6_nh_init+0x3d8/0x1580 [ 2100.555008][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2100.555008][ T10] ip6_route_add+0x1c/0x140 [ 2100.555008][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2100.555008][ T10] addrconf_add_dev+0xe2/0x170 [ 2100.555008][ T10] inet6_addr_add+0x12f/0xa40 [ 2100.555008][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2100.555008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2100.555008][ T10] netlink_rcv_skb+0x130/0x360 [ 2100.555008][ T10] netlink_unicast+0x449/0x710 [ 2100.555008][ T10] netlink_sendmsg+0x723/0xbe0 [ 2100.555008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2100.555008][ T10] ___sys_sendmsg+0xee/0x170 [ 2100.555008][ T10] __sys_sendmsg+0xcd/0x170 [ 2100.555008][ T10] do_syscall_64+0xc6/0x1e0 [ 2100.555008][ T10] [ 2100.557507][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2100.557507][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2100.557507][ T10] ipv6_find_idev+0x102/0x170 [ 2100.557507][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2100.557507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2100.557507][ T10] netlink_rcv_skb+0x130/0x360 [ 2100.557507][ T10] netlink_unicast+0x449/0x710 [ 2100.557507][ T10] netlink_sendmsg+0x723/0xbe0 [ 2100.557507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2100.557507][ T10] ___sys_sendmsg+0xee/0x170 [ 2100.557507][ T10] __sys_sendmsg+0xcd/0x170 [ 2100.557507][ T10] do_syscall_64+0xc6/0x1e0 [ 2100.557507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2100.557507][ T10] [ 2100.559065][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2100.559065][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2100.559065][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2100.559065][ T10] ipv6_find_idev+0x102/0x170 [ 2100.559065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2100.559065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2100.559065][ T10] netlink_rcv_skb+0x130/0x360 [ 2100.559065][ T10] netlink_unicast+0x449/0x710 [ 2100.559065][ T10] netlink_sendmsg+0x723/0xbe0 [ 2100.559065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2100.559065][ T10] ___sys_sendmsg+0xee/0x170 [ 2100.559065][ T10] __sys_sendmsg+0xcd/0x170 [ 2100.559065][ T10] do_syscall_64+0xc6/0x1e0 [ 2100.559065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2100.559065][ T10] [ 2100.560750][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2100.560998][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2100.560998][ T10] netdev_get_by_index+0x5e/0x80 [ 2100.560998][ T10] fib6_nh_init+0x3d8/0x1580 [ 2100.560998][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2100.560998][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2100.560998][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2100.560998][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2100.560998][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2100.560998][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2100.560998][ T10] addrconf_dad_begin+0x310/0x670 [ 2100.560998][ T10] addrconf_dad_work+0x10b/0xab0 [ 2100.560998][ T10] process_one_work+0x84d/0x18a0 [ 2100.560998][ T10] worker_thread+0x587/0xd30 [ 2100.560998][ T10] kthread+0x28a/0x350 [ 2100.560998][ T10] ret_from_fork+0x31/0x70 [ 2100.560998][ T10] ret_from_fork_asm+0x1a/0x30 [ 2100.560998][ T10] [ 2100.562908][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2100.562908][ T10] netdev_get_by_index+0x5e/0x80 [ 2100.562908][ T10] fib6_nh_init+0x3d8/0x1580 [ 2100.562908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2100.562908][ T10] ip6_route_add+0x1c/0x140 [ 2100.562908][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2100.562908][ T10] inet6_addr_add+0x4f8/0xa40 [ 2100.562908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2100.562908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2100.562908][ T10] netlink_rcv_skb+0x130/0x360 [ 2100.562908][ T10] netlink_unicast+0x449/0x710 [ 2100.562908][ T10] netlink_sendmsg+0x723/0xbe0 [ 2100.562908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2100.562908][ T10] ___sys_sendmsg+0xee/0x170 [ 2100.562908][ T10] __sys_sendmsg+0xcd/0x170 [ 2100.562908][ T10] do_syscall_64+0xc6/0x1e0 [ 2100.562908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2100.562908][ T10] [ 2100.566719][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2100.566719][ T10] netdev_get_by_index+0x5e/0x80 [ 2100.566719][ T10] fib6_nh_init+0x3d8/0x1580 [ 2100.566719][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2100.566719][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2100.566719][ T10] ipv6_add_addr+0x411/0x2000 [ 2100.566719][ T10] inet6_addr_add+0x30e/0xa40 [ 2100.566719][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2100.566719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2100.566719][ T10] netlink_rcv_skb+0x130/0x360 [ 2100.566719][ T10] netlink_unicast+0x449/0x710 [ 2100.566719][ T10] netlink_sendmsg+0x723/0xbe0 [ 2100.566719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2100.566719][ T10] ___sys_sendmsg+0xee/0x170 [ 2100.566719][ T10] __sys_sendmsg+0xcd/0x170 [ 2100.566719][ T10] do_syscall_64+0xc6/0x1e0 [ 2100.566719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2100.566719][ T10] [ 2100.568969][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2100.568969][ T10] netdev_get_by_index+0x5e/0x80 [ 2100.568969][ T10] fib6_nh_init+0x3d8/0x1580 [ 2100.568969][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2100.568969][ T10] ip6_route_add+0x1c/0x140 [ 2100.568969][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2100.568969][ T10] addrconf_add_dev+0xe2/0x170 [ 2100.568969][ T10] inet6_addr_add+0x12f/0xa40 [ 2100.568969][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2100.568969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2100.568969][ T10] netlink_rcv_skb+0x130/0x360 [ 2100.568969][ T10] netlink_unicast+0x449/0x710 [ 2100.568969][ T10] netlink_sendmsg+0x723/0xbe0 [ 2100.568969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2100.568969][ T10] ___sys_sendmsg+0xee/0x170 [ 2100.568969][ T10] __sys_sendmsg+0xcd/0x170 [ 2100.568969][ T10] do_syscall_64+0xc6/0x1e0 [ 2100.568969][ T10] [ 2100.571108][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2100.571108][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2100.571108][ T10] ipv6_find_idev+0x102/0x170 [ 2100.571108][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2100.571108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2100.571108][ T10] netlink_rcv_skb+0x130/0x360 [ 2100.571108][ T10] netlink_unicast+0x449/0x710 [ 2100.571108][ T10] netlink_sendmsg+0x723/0xbe0 [ 2100.571108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2100.571108][ T10] ___sys_sendmsg+0xee/0x170 [ 2100.571108][ T10] __sys_sendmsg+0xcd/0x170 [ 2100.571108][ T10] do_syscall_64+0xc6/0x1e0 [ 2100.571108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2100.571108][ T10] [ 2100.572823][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2100.572823][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2100.572823][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2100.572823][ T10] ipv6_find_idev+0x102/0x170 [ 2100.572823][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2100.572823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2100.572823][ T10] netlink_rcv_skb+0x130/0x360 [ 2100.572823][ T10] netlink_unicast+0x449/0x710 [ 2100.572823][ T10] netlink_sendmsg+0x723/0xbe0 [ 2100.572823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2100.572823][ T10] ___sys_sendmsg+0xee/0x170 [ 2100.572823][ T10] __sys_sendmsg+0xcd/0x170 [ 2100.572823][ T10] do_syscall_64+0xc6/0x1e0 [ 2100.572823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2100.572823][ T10] [ 2100.574756][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2100.575001][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2100.575001][ T10] netdev_get_by_index+0x5e/0x80 [ 2100.575001][ T10] fib6_nh_init+0x3d8/0x1580 [ 2100.575001][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2100.575001][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2100.575001][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2100.575001][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2100.575001][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2100.575001][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2100.575001][ T10] addrconf_dad_begin+0x310/0x670 [ 2100.575001][ T10] addrconf_dad_work+0x10b/0xab0 [ 2100.575001][ T10] process_one_work+0x84d/0x18a0 [ 2100.575001][ T10] worker_thread+0x587/0xd30 [ 2100.575001][ T10] kthread+0x28a/0x350 [ 2100.575001][ T10] ret_from_fork+0x31/0x70 [ 2100.575001][ T10] ret_from_fork_asm+0x1a/0x30 [ 2100.575001][ T10] [ 2100.577153][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2100.577153][ T10] netdev_get_by_index+0x5e/0x80 [ 2100.577153][ T10] fib6_nh_init+0x3d8/0x1580 [ 2100.577153][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2100.577153][ T10] ip6_route_add+0x1c/0x140 [ 2100.577153][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2100.577153][ T10] inet6_addr_add+0x4f8/0xa40 [ 2100.577153][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2100.577153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2100.577153][ T10] netlink_rcv_skb+0x130/0x360 [ 2100.577153][ T10] netlink_unicast+0x449/0x710 [ 2100.577153][ T10] netlink_sendmsg+0x723/0xbe0 [ 2100.577153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2100.577153][ T10] ___sys_sendmsg+0xee/0x170 [ 2100.577153][ T10] __sys_sendmsg+0xcd/0x170 [ 2100.577153][ T10] do_syscall_64+0xc6/0x1e0 [ 2100.577153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2100.577153][ T10] [ 2100.579346][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2100.579346][ T10] netdev_get_by_index+0x5e/0x80 [ 2100.579346][ T10] fib6_nh_init+0x3d8/0x1580 [ 2100.579346][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2100.579346][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2100.579346][ T10] ipv6_add_addr+0x411/0x2000 [ 2100.579346][ T10] inet6_addr_add+0x30e/0xa40 [ 2100.579346][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2100.579346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2100.579346][ T10] netlink_rcv_skb+0x130/0x360 [ 2100.579346][ T10] netlink_unicast+0x449/0x710 [ 2100.579346][ T10] netlink_sendmsg+0x723/0xbe0 [ 2100.579346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2100.579346][ T10] ___sys_sendmsg+0xee/0x170 [ 2100.579346][ T10] __sys_sendmsg+0xcd/0x170 [ 2100.579346][ T10] do_syscall_64+0xc6/0x1e0 [ 2100.579346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2100.579346][ T10] [ 2100.581584][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2100.581584][ T10] netdev_get_by_index+0x5e/0x80 [ 2100.581584][ T10] fib6_nh_init+0x3d8/0x1580 [ 2100.581584][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2100.581584][ T10] ip6_route_add+0x1c/0x140 [ 2100.581584][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2100.581584][ T10] addrconf_add_dev+0xe2/0x170 [ 2100.581584][ T10] inet6_addr_add+0x12f/0xa40 [ 2100.581584][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2100.581584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2100.581584][ T10] netlink_rcv_skb+0x130/0x360 [ 2100.581584][ T10] netlink_unicast+0x449/0x710 [ 2100.581584][ T10] netlink_sendmsg+0x723/0xbe0 [ 2100.581584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2100.581584][ T10] ___sys_sendmsg+0xee/0x170 [ 2100.581584][ T10] __sys_sendmsg+0xcd/0x170 [ 2100.581584][ T10] do_syscall_64+0xc6/0x1e0 [ 2100.581584][ T10] [ 2100.583854][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2100.583854][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2100.583854][ T10] ipv6_find_idev+0x102/0x170 [ 2100.583854][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2100.583854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2100.583854][ T10] netlink_rcv_skb+0x130/0x360 [ 2100.583854][ T10] netlink_unicast+0x449/0x710 [ 2100.583854][ T10] netlink_sendmsg+0x723/0xbe0 [ 2100.583854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2100.583854][ T10] ___sys_sendmsg+0xee/0x170 [ 2100.583854][ T10] __sys_sendmsg+0xcd/0x170 [ 2100.583854][ T10] do_syscall_64+0xc6/0x1e0 [ 2100.583854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2100.583854][ T10] [ 2100.585572][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2100.585572][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2100.585572][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2100.585572][ T10] ipv6_find_idev+0x102/0x170 [ 2100.585572][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2100.585572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2100.585572][ T10] netlink_rcv_skb+0x130/0x360 [ 2100.585572][ T10] netlink_unicast+0x449/0x710 [ 2100.585572][ T10] netlink_sendmsg+0x723/0xbe0 [ 2100.585572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2100.585572][ T10] ___sys_sendmsg+0xee/0x170 [ 2100.585572][ T10] __sys_sendmsg+0xcd/0x170 [ 2100.585572][ T10] do_syscall_64+0xc6/0x1e0 [ 2100.585572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2100.585572][ T10] [ 2105.401112][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2105.401630][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2105.401630][ T1167] dst_init+0x84/0x4a0 [ 2105.401630][ T1167] dst_alloc+0x97/0x150 [ 2105.401630][ T1167] ip6_dst_alloc+0x23/0x90 [ 2105.401630][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2105.401630][ T1167] ip6_pol_route+0x56f/0x840 [ 2105.401630][ T1167] fib6_rule_lookup+0x334/0x630 [ 2105.401630][ T1167] ip6_route_output_flags+0x259/0x480 [ 2105.401630][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2105.401630][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2105.401630][ T1167] netlink_rcv_skb+0x130/0x360 [ 2105.401630][ T1167] netlink_unicast+0x449/0x710 [ 2105.401630][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2105.401630][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2105.401630][ T1167] ___sys_sendmsg+0xee/0x170 [ 2105.401630][ T1167] __sys_sendmsg+0xcd/0x170 [ 2105.401630][ T1167] do_syscall_64+0xc6/0x1e0 [ 2105.401630][ T1167] [ 2105.403861][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2105.403861][ T1167] netdev_get_by_index+0x5e/0x80 [ 2105.403861][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2105.403861][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2105.403861][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2105.403861][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2105.403861][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2105.403861][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2105.403861][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2105.403861][ T1167] addrconf_dad_begin+0x310/0x670 [ 2105.403861][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2105.403861][ T1167] process_one_work+0x84d/0x18a0 [ 2105.403861][ T1167] worker_thread+0x587/0xd30 [ 2105.403861][ T1167] kthread+0x28a/0x350 [ 2105.403861][ T1167] ret_from_fork+0x31/0x70 [ 2105.403861][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2105.403861][ T1167] [ 2105.406033][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2105.406033][ T1167] netdev_get_by_index+0x5e/0x80 [ 2105.406033][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2105.406033][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2105.406033][ T1167] ip6_route_add+0x1c/0x140 [ 2105.406033][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2105.406033][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2105.406033][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2105.406033][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2105.406033][ T1167] netlink_rcv_skb+0x130/0x360 [ 2105.406033][ T1167] netlink_unicast+0x449/0x710 [ 2105.406033][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2105.406033][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2105.406033][ T1167] ___sys_sendmsg+0xee/0x170 [ 2105.406033][ T1167] __sys_sendmsg+0xcd/0x170 [ 2105.406033][ T1167] do_syscall_64+0xc6/0x1e0 [ 2105.406033][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2105.406033][ T1167] [ 2105.408380][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2105.408380][ T1167] netdev_get_by_index+0x5e/0x80 [ 2105.408380][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2105.408380][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2105.408380][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2105.408380][ T1167] ipv6_add_addr+0x411/0x2000 [ 2105.408380][ T1167] inet6_addr_add+0x30e/0xa40 [ 2105.408380][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2105.408380][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2105.408380][ T1167] netlink_rcv_skb+0x130/0x360 [ 2105.408380][ T1167] netlink_unicast+0x449/0x710 [ 2105.408380][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2105.408380][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2105.408380][ T1167] ___sys_sendmsg+0xee/0x170 [ 2105.408380][ T1167] __sys_sendmsg+0xcd/0x170 [ 2105.408380][ T1167] do_syscall_64+0xc6/0x1e0 [ 2105.408380][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2105.408380][ T1167] [ 2105.410638][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2105.410638][ T1167] netdev_get_by_index+0x5e/0x80 [ 2105.410638][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2105.410638][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2105.410638][ T1167] ip6_route_add+0x1c/0x140 [ 2105.410638][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2105.410638][ T1167] addrconf_add_dev+0xe2/0x170 [ 2105.410638][ T1167] inet6_addr_add+0x12f/0xa40 [ 2105.410638][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2105.410638][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2105.410638][ T1167] netlink_rcv_skb+0x130/0x360 [ 2105.410638][ T1167] netlink_unicast+0x449/0x710 [ 2105.410638][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2105.410638][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2105.410638][ T1167] ___sys_sendmsg+0xee/0x170 [ 2105.410638][ T1167] __sys_sendmsg+0xcd/0x170 [ 2105.410638][ T1167] do_syscall_64+0xc6/0x1e0 [ 2105.410638][ T1167] [ 2105.412859][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2105.412859][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2105.412859][ T1167] ipv6_find_idev+0x102/0x170 [ 2105.412859][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2105.412859][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2105.412859][ T1167] netlink_rcv_skb+0x130/0x360 [ 2105.412859][ T1167] netlink_unicast+0x449/0x710 [ 2105.412859][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2105.412859][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2105.412859][ T1167] ___sys_sendmsg+0xee/0x170 [ 2105.412859][ T1167] __sys_sendmsg+0xcd/0x170 [ 2105.412859][ T1167] do_syscall_64+0xc6/0x1e0 [ 2105.412859][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2105.412859][ T1167] [ 2105.414616][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2105.414616][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2105.414616][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2105.414616][ T1167] ipv6_find_idev+0x102/0x170 [ 2105.414616][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2105.414616][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2105.414616][ T1167] netlink_rcv_skb+0x130/0x360 [ 2105.414616][ T1167] netlink_unicast+0x449/0x710 [ 2105.414616][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2105.414616][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2105.414616][ T1167] ___sys_sendmsg+0xee/0x170 [ 2105.414616][ T1167] __sys_sendmsg+0xcd/0x170 [ 2105.414616][ T1167] do_syscall_64+0xc6/0x1e0 [ 2105.414616][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2105.414616][ T1167] [ 2110.825182][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2110.825935][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2110.825935][ T10] netdev_get_by_index+0x5e/0x80 [ 2110.825935][ T10] fib6_nh_init+0x3d8/0x1580 [ 2110.825935][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2110.825935][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2110.825935][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2110.825935][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2110.825935][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2110.825935][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2110.825935][ T10] addrconf_dad_begin+0x310/0x670 [ 2110.825935][ T10] addrconf_dad_work+0x10b/0xab0 [ 2110.825935][ T10] process_one_work+0x84d/0x18a0 [ 2110.825935][ T10] worker_thread+0x587/0xd30 [ 2110.825935][ T10] kthread+0x28a/0x350 [ 2110.825935][ T10] ret_from_fork+0x31/0x70 [ 2110.825935][ T10] ret_from_fork_asm+0x1a/0x30 [ 2110.825935][ T10] [ 2110.829191][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2110.829191][ T10] netdev_get_by_index+0x5e/0x80 [ 2110.829191][ T10] fib6_nh_init+0x3d8/0x1580 [ 2110.829191][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2110.829191][ T10] ip6_route_add+0x1c/0x140 [ 2110.829191][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2110.829191][ T10] inet6_addr_add+0x4f8/0xa40 [ 2110.829191][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2110.829191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2110.829191][ T10] netlink_rcv_skb+0x130/0x360 [ 2110.829191][ T10] netlink_unicast+0x449/0x710 [ 2110.829191][ T10] netlink_sendmsg+0x723/0xbe0 [ 2110.829191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2110.829191][ T10] ___sys_sendmsg+0xee/0x170 [ 2110.829191][ T10] __sys_sendmsg+0xcd/0x170 [ 2110.829191][ T10] do_syscall_64+0xc6/0x1e0 [ 2110.829191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2110.829191][ T10] [ 2110.832514][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2110.832514][ T10] netdev_get_by_index+0x5e/0x80 [ 2110.832514][ T10] fib6_nh_init+0x3d8/0x1580 [ 2110.832514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2110.832514][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2110.832514][ T10] ipv6_add_addr+0x411/0x2000 [ 2110.832514][ T10] inet6_addr_add+0x30e/0xa40 [ 2110.832514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2110.832514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2110.832514][ T10] netlink_rcv_skb+0x130/0x360 [ 2110.832514][ T10] netlink_unicast+0x449/0x710 [ 2110.832514][ T10] netlink_sendmsg+0x723/0xbe0 [ 2110.832514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2110.832514][ T10] ___sys_sendmsg+0xee/0x170 [ 2110.832514][ T10] __sys_sendmsg+0xcd/0x170 [ 2110.832514][ T10] do_syscall_64+0xc6/0x1e0 [ 2110.832514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2110.832514][ T10] [ 2110.835759][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2110.835759][ T10] netdev_get_by_index+0x5e/0x80 [ 2110.835759][ T10] fib6_nh_init+0x3d8/0x1580 [ 2110.835759][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2110.835759][ T10] ip6_route_add+0x1c/0x140 [ 2110.835759][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2110.835759][ T10] addrconf_add_dev+0xe2/0x170 [ 2110.835759][ T10] inet6_addr_add+0x12f/0xa40 [ 2110.835759][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2110.835759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2110.835759][ T10] netlink_rcv_skb+0x130/0x360 [ 2110.835759][ T10] netlink_unicast+0x449/0x710 [ 2110.835759][ T10] netlink_sendmsg+0x723/0xbe0 [ 2110.835759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2110.835759][ T10] ___sys_sendmsg+0xee/0x170 [ 2110.835759][ T10] __sys_sendmsg+0xcd/0x170 [ 2110.835759][ T10] do_syscall_64+0xc6/0x1e0 [ 2110.835759][ T10] [ 2110.839208][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2110.839208][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2110.839208][ T10] ipv6_find_idev+0x102/0x170 [ 2110.839208][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2110.839208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2110.839208][ T10] netlink_rcv_skb+0x130/0x360 [ 2110.839208][ T10] netlink_unicast+0x449/0x710 [ 2110.839208][ T10] netlink_sendmsg+0x723/0xbe0 [ 2110.839208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2110.839208][ T10] ___sys_sendmsg+0xee/0x170 [ 2110.839208][ T10] __sys_sendmsg+0xcd/0x170 [ 2110.839208][ T10] do_syscall_64+0xc6/0x1e0 [ 2110.839208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2110.839208][ T10] [ 2110.841819][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2110.841819][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2110.841819][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2110.841819][ T10] ipv6_find_idev+0x102/0x170 [ 2110.841819][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2110.841819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2110.841819][ T10] netlink_rcv_skb+0x130/0x360 [ 2110.841819][ T10] netlink_unicast+0x449/0x710 [ 2110.841819][ T10] netlink_sendmsg+0x723/0xbe0 [ 2110.841819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2110.841819][ T10] ___sys_sendmsg+0xee/0x170 [ 2110.841819][ T10] __sys_sendmsg+0xcd/0x170 [ 2110.841819][ T10] do_syscall_64+0xc6/0x1e0 [ 2110.841819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2110.841819][ T10] [ 2110.844775][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2110.845235][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2110.845235][ T10] netdev_get_by_index+0x5e/0x80 [ 2110.845235][ T10] fib6_nh_init+0x3d8/0x1580 [ 2110.845235][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2110.845235][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2110.845235][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2110.845235][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2110.845235][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2110.845235][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2110.845235][ T10] addrconf_dad_begin+0x310/0x670 [ 2110.845235][ T10] addrconf_dad_work+0x10b/0xab0 [ 2110.845235][ T10] process_one_work+0x84d/0x18a0 [ 2110.845235][ T10] worker_thread+0x587/0xd30 [ 2110.845235][ T10] kthread+0x28a/0x350 [ 2110.845235][ T10] ret_from_fork+0x31/0x70 [ 2110.845235][ T10] ret_from_fork_asm+0x1a/0x30 [ 2110.845235][ T10] [ 2110.848751][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2110.848751][ T10] netdev_get_by_index+0x5e/0x80 [ 2110.848751][ T10] fib6_nh_init+0x3d8/0x1580 [ 2110.848751][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2110.848751][ T10] ip6_route_add+0x1c/0x140 [ 2110.848751][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2110.848751][ T10] inet6_addr_add+0x4f8/0xa40 [ 2110.848751][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2110.848751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2110.848751][ T10] netlink_rcv_skb+0x130/0x360 [ 2110.848751][ T10] netlink_unicast+0x449/0x710 [ 2110.848751][ T10] netlink_sendmsg+0x723/0xbe0 [ 2110.848751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2110.848751][ T10] ___sys_sendmsg+0xee/0x170 [ 2110.848751][ T10] __sys_sendmsg+0xcd/0x170 [ 2110.848751][ T10] do_syscall_64+0xc6/0x1e0 [ 2110.848751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2110.848751][ T10] [ 2110.852264][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2110.852264][ T10] netdev_get_by_index+0x5e/0x80 [ 2110.852264][ T10] fib6_nh_init+0x3d8/0x1580 [ 2110.852264][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2110.852264][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2110.852264][ T10] ipv6_add_addr+0x411/0x2000 [ 2110.852264][ T10] inet6_addr_add+0x30e/0xa40 [ 2110.852264][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2110.852264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2110.852264][ T10] netlink_rcv_skb+0x130/0x360 [ 2110.852264][ T10] netlink_unicast+0x449/0x710 [ 2110.852264][ T10] netlink_sendmsg+0x723/0xbe0 [ 2110.852264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2110.852264][ T10] ___sys_sendmsg+0xee/0x170 [ 2110.852264][ T10] __sys_sendmsg+0xcd/0x170 [ 2110.852264][ T10] do_syscall_64+0xc6/0x1e0 [ 2110.852264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2110.852264][ T10] [ 2110.855815][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2110.855815][ T10] netdev_get_by_index+0x5e/0x80 [ 2110.855815][ T10] fib6_nh_init+0x3d8/0x1580 [ 2110.855815][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2110.855815][ T10] ip6_route_add+0x1c/0x140 [ 2110.855815][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2110.855815][ T10] addrconf_add_dev+0xe2/0x170 [ 2110.855815][ T10] inet6_addr_add+0x12f/0xa40 [ 2110.855815][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2110.855815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2110.855815][ T10] netlink_rcv_skb+0x130/0x360 [ 2110.855815][ T10] netlink_unicast+0x449/0x710 [ 2110.855815][ T10] netlink_sendmsg+0x723/0xbe0 [ 2110.855815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2110.855815][ T10] ___sys_sendmsg+0xee/0x170 [ 2110.855815][ T10] __sys_sendmsg+0xcd/0x170 [ 2110.855815][ T10] do_syscall_64+0xc6/0x1e0 [ 2110.855815][ T10] [ 2110.859201][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2110.859201][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2110.859201][ T10] ipv6_find_idev+0x102/0x170 [ 2110.859201][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2110.859201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2110.859201][ T10] netlink_rcv_skb+0x130/0x360 [ 2110.859201][ T10] netlink_unicast+0x449/0x710 [ 2110.859201][ T10] netlink_sendmsg+0x723/0xbe0 [ 2110.859201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2110.859201][ T10] ___sys_sendmsg+0xee/0x170 [ 2110.859201][ T10] __sys_sendmsg+0xcd/0x170 [ 2110.859201][ T10] do_syscall_64+0xc6/0x1e0 [ 2110.859201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2110.859201][ T10] [ 2110.862006][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2110.862006][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2110.862006][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2110.862006][ T10] ipv6_find_idev+0x102/0x170 [ 2110.862006][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2110.862006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2110.862006][ T10] netlink_rcv_skb+0x130/0x360 [ 2110.862006][ T10] netlink_unicast+0x449/0x710 [ 2110.862006][ T10] netlink_sendmsg+0x723/0xbe0 [ 2110.862006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2110.862006][ T10] ___sys_sendmsg+0xee/0x170 [ 2110.862006][ T10] __sys_sendmsg+0xcd/0x170 [ 2110.862006][ T10] do_syscall_64+0xc6/0x1e0 [ 2110.862006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2110.862006][ T10] [ 2110.864935][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2110.866282][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2110.866282][ T10] netdev_get_by_index+0x5e/0x80 [ 2110.866282][ T10] fib6_nh_init+0x3d8/0x1580 [ 2110.866282][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2110.866282][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2110.866282][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2110.866282][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2110.866282][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2110.866282][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2110.866282][ T10] addrconf_dad_begin+0x310/0x670 [ 2110.866282][ T10] addrconf_dad_work+0x10b/0xab0 [ 2110.866282][ T10] process_one_work+0x84d/0x18a0 [ 2110.866282][ T10] worker_thread+0x587/0xd30 [ 2110.866282][ T10] kthread+0x28a/0x350 [ 2110.866282][ T10] ret_from_fork+0x31/0x70 [ 2110.866282][ T10] ret_from_fork_asm+0x1a/0x30 [ 2110.866282][ T10] [ 2110.869689][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2110.869689][ T10] netdev_get_by_index+0x5e/0x80 [ 2110.869689][ T10] fib6_nh_init+0x3d8/0x1580 [ 2110.869689][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2110.869689][ T10] ip6_route_add+0x1c/0x140 [ 2110.869689][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2110.869689][ T10] inet6_addr_add+0x4f8/0xa40 [ 2110.869689][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2110.869689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2110.869689][ T10] netlink_rcv_skb+0x130/0x360 [ 2110.869689][ T10] netlink_unicast+0x449/0x710 [ 2110.869689][ T10] netlink_sendmsg+0x723/0xbe0 [ 2110.869689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2110.869689][ T10] ___sys_sendmsg+0xee/0x170 [ 2110.869689][ T10] __sys_sendmsg+0xcd/0x170 [ 2110.869689][ T10] do_syscall_64+0xc6/0x1e0 [ 2110.869689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2110.869689][ T10] [ 2110.873130][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2110.873130][ T10] netdev_get_by_index+0x5e/0x80 [ 2110.873130][ T10] fib6_nh_init+0x3d8/0x1580 [ 2110.873130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2110.873130][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2110.873130][ T10] ipv6_add_addr+0x411/0x2000 [ 2110.873130][ T10] inet6_addr_add+0x30e/0xa40 [ 2110.873130][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2110.873130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2110.873130][ T10] netlink_rcv_skb+0x130/0x360 [ 2110.873130][ T10] netlink_unicast+0x449/0x710 [ 2110.873130][ T10] netlink_sendmsg+0x723/0xbe0 [ 2110.873130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2110.873130][ T10] ___sys_sendmsg+0xee/0x170 [ 2110.873130][ T10] __sys_sendmsg+0xcd/0x170 [ 2110.873130][ T10] do_syscall_64+0xc6/0x1e0 [ 2110.873130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2110.873130][ T10] [ 2110.876639][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2110.876639][ T10] netdev_get_by_index+0x5e/0x80 [ 2110.876639][ T10] fib6_nh_init+0x3d8/0x1580 [ 2110.876639][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2110.876639][ T10] ip6_route_add+0x1c/0x140 [ 2110.876639][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2110.876639][ T10] addrconf_add_dev+0xe2/0x170 [ 2110.876639][ T10] inet6_addr_add+0x12f/0xa40 [ 2110.876639][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2110.876639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2110.876639][ T10] netlink_rcv_skb+0x130/0x360 [ 2110.876639][ T10] netlink_unicast+0x449/0x710 [ 2110.876639][ T10] netlink_sendmsg+0x723/0xbe0 [ 2110.876639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2110.876639][ T10] ___sys_sendmsg+0xee/0x170 [ 2110.876639][ T10] __sys_sendmsg+0xcd/0x170 [ 2110.876639][ T10] do_syscall_64+0xc6/0x1e0 [ 2110.876639][ T10] [ 2110.879983][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2110.879983][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2110.879983][ T10] ipv6_find_idev+0x102/0x170 [ 2110.879983][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2110.879983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2110.879983][ T10] netlink_rcv_skb+0x130/0x360 [ 2110.879983][ T10] netlink_unicast+0x449/0x710 [ 2110.879983][ T10] netlink_sendmsg+0x723/0xbe0 [ 2110.879983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2110.879983][ T10] ___sys_sendmsg+0xee/0x170 [ 2110.879983][ T10] __sys_sendmsg+0xcd/0x170 [ 2110.879983][ T10] do_syscall_64+0xc6/0x1e0 [ 2110.879983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2110.879983][ T10] [ 2110.882624][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2110.882624][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2110.882624][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2110.882624][ T10] ipv6_find_idev+0x102/0x170 [ 2110.882624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2110.882624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2110.882624][ T10] netlink_rcv_skb+0x130/0x360 [ 2110.882624][ T10] netlink_unicast+0x449/0x710 [ 2110.882624][ T10] netlink_sendmsg+0x723/0xbe0 [ 2110.882624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2110.882624][ T10] ___sys_sendmsg+0xee/0x170 [ 2110.882624][ T10] __sys_sendmsg+0xcd/0x170 [ 2110.882624][ T10] do_syscall_64+0xc6/0x1e0 [ 2110.882624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2110.882624][ T10] [ 2110.885608][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2110.885980][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2110.885980][ T10] netdev_get_by_index+0x5e/0x80 [ 2110.885980][ T10] fib6_nh_init+0x3d8/0x1580 [ 2110.885980][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2110.885980][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2110.885980][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2110.885980][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2110.885980][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2110.885980][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2110.885980][ T10] addrconf_dad_begin+0x310/0x670 [ 2110.885980][ T10] addrconf_dad_work+0x10b/0xab0 [ 2110.885980][ T10] process_one_work+0x84d/0x18a0 [ 2110.885980][ T10] worker_thread+0x587/0xd30 [ 2110.885980][ T10] kthread+0x28a/0x350 [ 2110.885980][ T10] ret_from_fork+0x31/0x70 [ 2110.885980][ T10] ret_from_fork_asm+0x1a/0x30 [ 2110.885980][ T10] [ 2110.889464][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2110.889464][ T10] netdev_get_by_index+0x5e/0x80 [ 2110.889464][ T10] fib6_nh_init+0x3d8/0x1580 [ 2110.889464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2110.889464][ T10] ip6_route_add+0x1c/0x140 [ 2110.889464][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2110.889464][ T10] inet6_addr_add+0x4f8/0xa40 [ 2110.889464][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2110.889464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2110.889464][ T10] netlink_rcv_skb+0x130/0x360 [ 2110.889464][ T10] netlink_unicast+0x449/0x710 [ 2110.889464][ T10] netlink_sendmsg+0x723/0xbe0 [ 2110.889464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2110.889464][ T10] ___sys_sendmsg+0xee/0x170 [ 2110.889464][ T10] __sys_sendmsg+0xcd/0x170 [ 2110.889464][ T10] do_syscall_64+0xc6/0x1e0 [ 2110.889464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2110.889464][ T10] [ 2110.893090][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2110.893090][ T10] netdev_get_by_index+0x5e/0x80 [ 2110.893090][ T10] fib6_nh_init+0x3d8/0x1580 [ 2110.893090][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2110.893090][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2110.893090][ T10] ipv6_add_addr+0x411/0x2000 [ 2110.893090][ T10] inet6_addr_add+0x30e/0xa40 [ 2110.893090][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2110.893090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2110.893090][ T10] netlink_rcv_skb+0x130/0x360 [ 2110.893090][ T10] netlink_unicast+0x449/0x710 [ 2110.893090][ T10] netlink_sendmsg+0x723/0xbe0 [ 2110.893090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2110.893090][ T10] ___sys_sendmsg+0xee/0x170 [ 2110.893090][ T10] __sys_sendmsg+0xcd/0x170 [ 2110.893090][ T10] do_syscall_64+0xc6/0x1e0 [ 2110.893090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2110.893090][ T10] [ 2110.896862][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2110.896862][ T10] netdev_get_by_index+0x5e/0x80 [ 2110.896862][ T10] fib6_nh_init+0x3d8/0x1580 [ 2110.896862][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2110.896862][ T10] ip6_route_add+0x1c/0x140 [ 2110.896862][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2110.896862][ T10] addrconf_add_dev+0xe2/0x170 [ 2110.896862][ T10] inet6_addr_add+0x12f/0xa40 [ 2110.896862][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2110.896862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2110.896862][ T10] netlink_rcv_skb+0x130/0x360 [ 2110.896862][ T10] netlink_unicast+0x449/0x710 [ 2110.896862][ T10] netlink_sendmsg+0x723/0xbe0 [ 2110.896862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2110.896862][ T10] ___sys_sendmsg+0xee/0x170 [ 2110.896862][ T10] __sys_sendmsg+0xcd/0x170 [ 2110.896862][ T10] do_syscall_64+0xc6/0x1e0 [ 2110.896862][ T10] [ 2110.900392][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2110.900392][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2110.900392][ T10] ipv6_find_idev+0x102/0x170 [ 2110.900392][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2110.900392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2110.900392][ T10] netlink_rcv_skb+0x130/0x360 [ 2110.900392][ T10] netlink_unicast+0x449/0x710 [ 2110.900392][ T10] netlink_sendmsg+0x723/0xbe0 [ 2110.900392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2110.900392][ T10] ___sys_sendmsg+0xee/0x170 [ 2110.900392][ T10] __sys_sendmsg+0xcd/0x170 [ 2110.900392][ T10] do_syscall_64+0xc6/0x1e0 [ 2110.900392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2110.900392][ T10] [ 2110.903223][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2110.903223][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2110.903223][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2110.903223][ T10] ipv6_find_idev+0x102/0x170 [ 2110.903223][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2110.903223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2110.903223][ T10] netlink_rcv_skb+0x130/0x360 [ 2110.903223][ T10] netlink_unicast+0x449/0x710 [ 2110.903223][ T10] netlink_sendmsg+0x723/0xbe0 [ 2110.903223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2110.903223][ T10] ___sys_sendmsg+0xee/0x170 [ 2110.903223][ T10] __sys_sendmsg+0xcd/0x170 [ 2110.903223][ T10] do_syscall_64+0xc6/0x1e0 [ 2110.903223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2110.903223][ T10] [ 2115.665076][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2115.665553][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2115.665553][ T1167] dst_init+0x84/0x4a0 [ 2115.665553][ T1167] dst_alloc+0x97/0x150 [ 2115.665553][ T1167] ip6_dst_alloc+0x23/0x90 [ 2115.665553][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2115.665553][ T1167] ip6_pol_route+0x56f/0x840 [ 2115.665553][ T1167] fib6_rule_lookup+0x334/0x630 [ 2115.665553][ T1167] ip6_route_output_flags+0x259/0x480 [ 2115.665553][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2115.665553][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2115.665553][ T1167] netlink_rcv_skb+0x130/0x360 [ 2115.665553][ T1167] netlink_unicast+0x449/0x710 [ 2115.665553][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2115.665553][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2115.665553][ T1167] ___sys_sendmsg+0xee/0x170 [ 2115.665553][ T1167] __sys_sendmsg+0xcd/0x170 [ 2115.665553][ T1167] do_syscall_64+0xc6/0x1e0 [ 2115.665553][ T1167] [ 2115.667901][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2115.667901][ T1167] netdev_get_by_index+0x5e/0x80 [ 2115.667901][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2115.667901][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2115.667901][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2115.667901][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2115.667901][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2115.667901][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2115.667901][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2115.667901][ T1167] addrconf_dad_begin+0x310/0x670 [ 2115.667901][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2115.667901][ T1167] process_one_work+0x84d/0x18a0 [ 2115.667901][ T1167] worker_thread+0x587/0xd30 [ 2115.667901][ T1167] kthread+0x28a/0x350 [ 2115.667901][ T1167] ret_from_fork+0x31/0x70 [ 2115.667901][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2115.667901][ T1167] [ 2115.670114][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2115.670114][ T1167] netdev_get_by_index+0x5e/0x80 [ 2115.670114][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2115.670114][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2115.670114][ T1167] ip6_route_add+0x1c/0x140 [ 2115.670114][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2115.670114][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2115.670114][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2115.670114][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.670114][ T1167] netlink_rcv_skb+0x130/0x360 [ 2115.670114][ T1167] netlink_unicast+0x449/0x710 [ 2115.670114][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2115.670114][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2115.670114][ T1167] ___sys_sendmsg+0xee/0x170 [ 2115.670114][ T1167] __sys_sendmsg+0xcd/0x170 [ 2115.670114][ T1167] do_syscall_64+0xc6/0x1e0 [ 2115.670114][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2115.670114][ T1167] [ 2115.672389][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2115.672389][ T1167] netdev_get_by_index+0x5e/0x80 [ 2115.672389][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2115.672389][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2115.672389][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2115.672389][ T1167] ipv6_add_addr+0x411/0x2000 [ 2115.672389][ T1167] inet6_addr_add+0x30e/0xa40 [ 2115.672389][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2115.672389][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.672389][ T1167] netlink_rcv_skb+0x130/0x360 [ 2115.672389][ T1167] netlink_unicast+0x449/0x710 [ 2115.672389][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2115.672389][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2115.672389][ T1167] ___sys_sendmsg+0xee/0x170 [ 2115.672389][ T1167] __sys_sendmsg+0xcd/0x170 [ 2115.672389][ T1167] do_syscall_64+0xc6/0x1e0 [ 2115.672389][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2115.672389][ T1167] [ 2115.674651][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2115.674651][ T1167] netdev_get_by_index+0x5e/0x80 [ 2115.674651][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2115.674651][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2115.674651][ T1167] ip6_route_add+0x1c/0x140 [ 2115.674651][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2115.674651][ T1167] addrconf_add_dev+0xe2/0x170 [ 2115.674651][ T1167] inet6_addr_add+0x12f/0xa40 [ 2115.674651][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2115.674651][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.674651][ T1167] netlink_rcv_skb+0x130/0x360 [ 2115.674651][ T1167] netlink_unicast+0x449/0x710 [ 2115.674651][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2115.674651][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2115.674651][ T1167] ___sys_sendmsg+0xee/0x170 [ 2115.674651][ T1167] __sys_sendmsg+0xcd/0x170 [ 2115.674651][ T1167] do_syscall_64+0xc6/0x1e0 [ 2115.674651][ T1167] [ 2115.676864][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2115.676864][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2115.676864][ T1167] ipv6_find_idev+0x102/0x170 [ 2115.676864][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2115.676864][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.676864][ T1167] netlink_rcv_skb+0x130/0x360 [ 2115.676864][ T1167] netlink_unicast+0x449/0x710 [ 2115.676864][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2115.676864][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2115.676864][ T1167] ___sys_sendmsg+0xee/0x170 [ 2115.676864][ T1167] __sys_sendmsg+0xcd/0x170 [ 2115.676864][ T1167] do_syscall_64+0xc6/0x1e0 [ 2115.676864][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2115.676864][ T1167] [ 2115.678744][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2115.678744][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2115.678744][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2115.678744][ T1167] ipv6_find_idev+0x102/0x170 [ 2115.678744][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2115.678744][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.678744][ T1167] netlink_rcv_skb+0x130/0x360 [ 2115.678744][ T1167] netlink_unicast+0x449/0x710 [ 2115.678744][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2115.678744][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2115.678744][ T1167] ___sys_sendmsg+0xee/0x170 [ 2115.678744][ T1167] __sys_sendmsg+0xcd/0x170 [ 2115.678744][ T1167] do_syscall_64+0xc6/0x1e0 [ 2115.678744][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2115.678744][ T1167] [ 2121.041092][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2121.041533][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2121.041533][ T10] netdev_get_by_index+0x5e/0x80 [ 2121.041533][ T10] fib6_nh_init+0x3d8/0x1580 [ 2121.041533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2121.041533][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2121.041533][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2121.041533][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2121.041533][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2121.041533][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2121.041533][ T10] addrconf_dad_begin+0x310/0x670 [ 2121.041533][ T10] addrconf_dad_work+0x10b/0xab0 [ 2121.041533][ T10] process_one_work+0x84d/0x18a0 [ 2121.041533][ T10] worker_thread+0x587/0xd30 [ 2121.041533][ T10] kthread+0x28a/0x350 [ 2121.041533][ T10] ret_from_fork+0x31/0x70 [ 2121.041533][ T10] ret_from_fork_asm+0x1a/0x30 [ 2121.041533][ T10] [ 2121.043494][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2121.043494][ T10] netdev_get_by_index+0x5e/0x80 [ 2121.043494][ T10] fib6_nh_init+0x3d8/0x1580 [ 2121.043494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2121.043494][ T10] ip6_route_add+0x1c/0x140 [ 2121.043494][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2121.043494][ T10] inet6_addr_add+0x4f8/0xa40 [ 2121.043494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2121.043494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2121.043494][ T10] netlink_rcv_skb+0x130/0x360 [ 2121.043494][ T10] netlink_unicast+0x449/0x710 [ 2121.043494][ T10] netlink_sendmsg+0x723/0xbe0 [ 2121.043494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2121.043494][ T10] ___sys_sendmsg+0xee/0x170 [ 2121.043494][ T10] __sys_sendmsg+0xcd/0x170 [ 2121.043494][ T10] do_syscall_64+0xc6/0x1e0 [ 2121.043494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2121.043494][ T10] [ 2121.045519][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2121.045519][ T10] netdev_get_by_index+0x5e/0x80 [ 2121.045519][ T10] fib6_nh_init+0x3d8/0x1580 [ 2121.045519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2121.045519][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2121.045519][ T10] ipv6_add_addr+0x411/0x2000 [ 2121.045519][ T10] inet6_addr_add+0x30e/0xa40 [ 2121.045519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2121.045519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2121.045519][ T10] netlink_rcv_skb+0x130/0x360 [ 2121.045519][ T10] netlink_unicast+0x449/0x710 [ 2121.045519][ T10] netlink_sendmsg+0x723/0xbe0 [ 2121.045519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2121.045519][ T10] ___sys_sendmsg+0xee/0x170 [ 2121.045519][ T10] __sys_sendmsg+0xcd/0x170 [ 2121.045519][ T10] do_syscall_64+0xc6/0x1e0 [ 2121.045519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2121.045519][ T10] [ 2121.047540][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2121.047540][ T10] netdev_get_by_index+0x5e/0x80 [ 2121.047540][ T10] fib6_nh_init+0x3d8/0x1580 [ 2121.047540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2121.047540][ T10] ip6_route_add+0x1c/0x140 [ 2121.047540][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2121.047540][ T10] addrconf_add_dev+0xe2/0x170 [ 2121.047540][ T10] inet6_addr_add+0x12f/0xa40 [ 2121.047540][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2121.047540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2121.047540][ T10] netlink_rcv_skb+0x130/0x360 [ 2121.047540][ T10] netlink_unicast+0x449/0x710 [ 2121.047540][ T10] netlink_sendmsg+0x723/0xbe0 [ 2121.047540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2121.047540][ T10] ___sys_sendmsg+0xee/0x170 [ 2121.047540][ T10] __sys_sendmsg+0xcd/0x170 [ 2121.047540][ T10] do_syscall_64+0xc6/0x1e0 [ 2121.047540][ T10] [ 2121.049549][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2121.049549][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2121.049549][ T10] ipv6_find_idev+0x102/0x170 [ 2121.049549][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2121.049549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2121.049549][ T10] netlink_rcv_skb+0x130/0x360 [ 2121.049549][ T10] netlink_unicast+0x449/0x710 [ 2121.049549][ T10] netlink_sendmsg+0x723/0xbe0 [ 2121.049549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2121.049549][ T10] ___sys_sendmsg+0xee/0x170 [ 2121.049549][ T10] __sys_sendmsg+0xcd/0x170 [ 2121.049549][ T10] do_syscall_64+0xc6/0x1e0 [ 2121.049549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2121.049549][ T10] [ 2121.051109][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2121.051109][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2121.051109][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2121.051109][ T10] ipv6_find_idev+0x102/0x170 [ 2121.051109][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2121.051109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2121.051109][ T10] netlink_rcv_skb+0x130/0x360 [ 2121.051109][ T10] netlink_unicast+0x449/0x710 [ 2121.051109][ T10] netlink_sendmsg+0x723/0xbe0 [ 2121.051109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2121.051109][ T10] ___sys_sendmsg+0xee/0x170 [ 2121.051109][ T10] __sys_sendmsg+0xcd/0x170 [ 2121.051109][ T10] do_syscall_64+0xc6/0x1e0 [ 2121.051109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2121.051109][ T10] [ 2121.052835][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2121.053096][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2121.053096][ T10] netdev_get_by_index+0x5e/0x80 [ 2121.053096][ T10] fib6_nh_init+0x3d8/0x1580 [ 2121.053096][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2121.053096][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2121.053096][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2121.053096][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2121.053096][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2121.053096][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2121.053096][ T10] addrconf_dad_begin+0x310/0x670 [ 2121.053096][ T10] addrconf_dad_work+0x10b/0xab0 [ 2121.053096][ T10] process_one_work+0x84d/0x18a0 [ 2121.053096][ T10] worker_thread+0x587/0xd30 [ 2121.053096][ T10] kthread+0x28a/0x350 [ 2121.053096][ T10] ret_from_fork+0x31/0x70 [ 2121.053096][ T10] ret_from_fork_asm+0x1a/0x30 [ 2121.053096][ T10] [ 2121.055047][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2121.055047][ T10] netdev_get_by_index+0x5e/0x80 [ 2121.055047][ T10] fib6_nh_init+0x3d8/0x1580 [ 2121.055047][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2121.055047][ T10] ip6_route_add+0x1c/0x140 [ 2121.055047][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2121.055047][ T10] inet6_addr_add+0x4f8/0xa40 [ 2121.055047][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2121.055047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2121.055047][ T10] netlink_rcv_skb+0x130/0x360 [ 2121.055047][ T10] netlink_unicast+0x449/0x710 [ 2121.055047][ T10] netlink_sendmsg+0x723/0xbe0 [ 2121.055047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2121.055047][ T10] ___sys_sendmsg+0xee/0x170 [ 2121.055047][ T10] __sys_sendmsg+0xcd/0x170 [ 2121.055047][ T10] do_syscall_64+0xc6/0x1e0 [ 2121.055047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2121.055047][ T10] [ 2121.057068][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2121.057068][ T10] netdev_get_by_index+0x5e/0x80 [ 2121.057068][ T10] fib6_nh_init+0x3d8/0x1580 [ 2121.057068][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2121.057068][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2121.057068][ T10] ipv6_add_addr+0x411/0x2000 [ 2121.057068][ T10] inet6_addr_add+0x30e/0xa40 [ 2121.057068][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2121.057068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2121.057068][ T10] netlink_rcv_skb+0x130/0x360 [ 2121.057068][ T10] netlink_unicast+0x449/0x710 [ 2121.057068][ T10] netlink_sendmsg+0x723/0xbe0 [ 2121.057068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2121.057068][ T10] ___sys_sendmsg+0xee/0x170 [ 2121.057068][ T10] __sys_sendmsg+0xcd/0x170 [ 2121.057068][ T10] do_syscall_64+0xc6/0x1e0 [ 2121.057068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2121.057068][ T10] [ 2121.059079][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2121.059079][ T10] netdev_get_by_index+0x5e/0x80 [ 2121.059079][ T10] fib6_nh_init+0x3d8/0x1580 [ 2121.059079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2121.059079][ T10] ip6_route_add+0x1c/0x140 [ 2121.059079][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2121.059079][ T10] addrconf_add_dev+0xe2/0x170 [ 2121.059079][ T10] inet6_addr_add+0x12f/0xa40 [ 2121.059079][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2121.059079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2121.059079][ T10] netlink_rcv_skb+0x130/0x360 [ 2121.059079][ T10] netlink_unicast+0x449/0x710 [ 2121.059079][ T10] netlink_sendmsg+0x723/0xbe0 [ 2121.059079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2121.059079][ T10] ___sys_sendmsg+0xee/0x170 [ 2121.059079][ T10] __sys_sendmsg+0xcd/0x170 [ 2121.059079][ T10] do_syscall_64+0xc6/0x1e0 [ 2121.059079][ T10] [ 2121.061060][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2121.061060][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2121.061060][ T10] ipv6_find_idev+0x102/0x170 [ 2121.061060][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2121.061060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2121.061060][ T10] netlink_rcv_skb+0x130/0x360 [ 2121.061060][ T10] netlink_unicast+0x449/0x710 [ 2121.061060][ T10] netlink_sendmsg+0x723/0xbe0 [ 2121.061060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2121.061060][ T10] ___sys_sendmsg+0xee/0x170 [ 2121.061060][ T10] __sys_sendmsg+0xcd/0x170 [ 2121.061060][ T10] do_syscall_64+0xc6/0x1e0 [ 2121.061060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2121.061060][ T10] [ 2121.062620][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2121.062620][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2121.062620][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2121.062620][ T10] ipv6_find_idev+0x102/0x170 [ 2121.062620][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2121.062620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2121.062620][ T10] netlink_rcv_skb+0x130/0x360 [ 2121.062620][ T10] netlink_unicast+0x449/0x710 [ 2121.062620][ T10] netlink_sendmsg+0x723/0xbe0 [ 2121.062620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2121.062620][ T10] ___sys_sendmsg+0xee/0x170 [ 2121.062620][ T10] __sys_sendmsg+0xcd/0x170 [ 2121.062620][ T10] do_syscall_64+0xc6/0x1e0 [ 2121.062620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2121.062620][ T10] [ 2121.064322][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2121.064563][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2121.064563][ T10] netdev_get_by_index+0x5e/0x80 [ 2121.064563][ T10] fib6_nh_init+0x3d8/0x1580 [ 2121.064563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2121.064563][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2121.064563][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2121.064563][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2121.064563][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2121.064563][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2121.064563][ T10] addrconf_dad_begin+0x310/0x670 [ 2121.064563][ T10] addrconf_dad_work+0x10b/0xab0 [ 2121.064563][ T10] process_one_work+0x84d/0x18a0 [ 2121.064563][ T10] worker_thread+0x587/0xd30 [ 2121.064563][ T10] kthread+0x28a/0x350 [ 2121.064563][ T10] ret_from_fork+0x31/0x70 [ 2121.064563][ T10] ret_from_fork_asm+0x1a/0x30 [ 2121.064563][ T10] [ 2121.066503][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2121.066503][ T10] netdev_get_by_index+0x5e/0x80 [ 2121.066503][ T10] fib6_nh_init+0x3d8/0x1580 [ 2121.066503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2121.066503][ T10] ip6_route_add+0x1c/0x140 [ 2121.066503][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2121.066503][ T10] inet6_addr_add+0x4f8/0xa40 [ 2121.066503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2121.066503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2121.066503][ T10] netlink_rcv_skb+0x130/0x360 [ 2121.066503][ T10] netlink_unicast+0x449/0x710 [ 2121.066503][ T10] netlink_sendmsg+0x723/0xbe0 [ 2121.066503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2121.066503][ T10] ___sys_sendmsg+0xee/0x170 [ 2121.066503][ T10] __sys_sendmsg+0xcd/0x170 [ 2121.066503][ T10] do_syscall_64+0xc6/0x1e0 [ 2121.066503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2121.066503][ T10] [ 2121.068614][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2121.068614][ T10] netdev_get_by_index+0x5e/0x80 [ 2121.068614][ T10] fib6_nh_init+0x3d8/0x1580 [ 2121.068614][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2121.068614][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2121.068614][ T10] ipv6_add_addr+0x411/0x2000 [ 2121.068614][ T10] inet6_addr_add+0x30e/0xa40 [ 2121.068614][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2121.068614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2121.068614][ T10] netlink_rcv_skb+0x130/0x360 [ 2121.068614][ T10] netlink_unicast+0x449/0x710 [ 2121.068614][ T10] netlink_sendmsg+0x723/0xbe0 [ 2121.068614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2121.068614][ T10] ___sys_sendmsg+0xee/0x170 [ 2121.068614][ T10] __sys_sendmsg+0xcd/0x170 [ 2121.068614][ T10] do_syscall_64+0xc6/0x1e0 [ 2121.068614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2121.068614][ T10] [ 2121.070798][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2121.070798][ T10] netdev_get_by_index+0x5e/0x80 [ 2121.070798][ T10] fib6_nh_init+0x3d8/0x1580 [ 2121.070798][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2121.070798][ T10] ip6_route_add+0x1c/0x140 [ 2121.070798][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2121.070798][ T10] addrconf_add_dev+0xe2/0x170 [ 2121.070798][ T10] inet6_addr_add+0x12f/0xa40 [ 2121.070798][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2121.070798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2121.070798][ T10] netlink_rcv_skb+0x130/0x360 [ 2121.070798][ T10] netlink_unicast+0x449/0x710 [ 2121.070798][ T10] netlink_sendmsg+0x723/0xbe0 [ 2121.070798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2121.070798][ T10] ___sys_sendmsg+0xee/0x170 [ 2121.070798][ T10] __sys_sendmsg+0xcd/0x170 [ 2121.070798][ T10] do_syscall_64+0xc6/0x1e0 [ 2121.070798][ T10] [ 2121.072850][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2121.072850][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2121.072850][ T10] ipv6_find_idev+0x102/0x170 [ 2121.072850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2121.072850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2121.072850][ T10] netlink_rcv_skb+0x130/0x360 [ 2121.072850][ T10] netlink_unicast+0x449/0x710 [ 2121.072850][ T10] netlink_sendmsg+0x723/0xbe0 [ 2121.072850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2121.072850][ T10] ___sys_sendmsg+0xee/0x170 [ 2121.072850][ T10] __sys_sendmsg+0xcd/0x170 [ 2121.072850][ T10] do_syscall_64+0xc6/0x1e0 [ 2121.072850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2121.072850][ T10] [ 2121.074492][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2121.074492][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2121.074492][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2121.074492][ T10] ipv6_find_idev+0x102/0x170 [ 2121.074492][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2121.074492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2121.074492][ T10] netlink_rcv_skb+0x130/0x360 [ 2121.074492][ T10] netlink_unicast+0x449/0x710 [ 2121.074492][ T10] netlink_sendmsg+0x723/0xbe0 [ 2121.074492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2121.074492][ T10] ___sys_sendmsg+0xee/0x170 [ 2121.074492][ T10] __sys_sendmsg+0xcd/0x170 [ 2121.074492][ T10] do_syscall_64+0xc6/0x1e0 [ 2121.074492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2121.074492][ T10] [ 2121.076368][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2121.076610][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2121.076610][ T10] netdev_get_by_index+0x5e/0x80 [ 2121.076610][ T10] fib6_nh_init+0x3d8/0x1580 [ 2121.076610][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2121.076610][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2121.076610][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2121.076610][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2121.076610][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2121.076610][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2121.076610][ T10] addrconf_dad_begin+0x310/0x670 [ 2121.076610][ T10] addrconf_dad_work+0x10b/0xab0 [ 2121.076610][ T10] process_one_work+0x84d/0x18a0 [ 2121.076610][ T10] worker_thread+0x587/0xd30 [ 2121.076610][ T10] kthread+0x28a/0x350 [ 2121.076610][ T10] ret_from_fork+0x31/0x70 [ 2121.076610][ T10] ret_from_fork_asm+0x1a/0x30 [ 2121.076610][ T10] [ 2121.078700][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2121.078700][ T10] netdev_get_by_index+0x5e/0x80 [ 2121.078700][ T10] fib6_nh_init+0x3d8/0x1580 [ 2121.078700][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2121.078700][ T10] ip6_route_add+0x1c/0x140 [ 2121.078700][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2121.078700][ T10] inet6_addr_add+0x4f8/0xa40 [ 2121.078700][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2121.078700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2121.078700][ T10] netlink_rcv_skb+0x130/0x360 [ 2121.078700][ T10] netlink_unicast+0x449/0x710 [ 2121.078700][ T10] netlink_sendmsg+0x723/0xbe0 [ 2121.078700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2121.078700][ T10] ___sys_sendmsg+0xee/0x170 [ 2121.078700][ T10] __sys_sendmsg+0xcd/0x170 [ 2121.078700][ T10] do_syscall_64+0xc6/0x1e0 [ 2121.078700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2121.078700][ T10] [ 2121.080806][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2121.080806][ T10] netdev_get_by_index+0x5e/0x80 [ 2121.080806][ T10] fib6_nh_init+0x3d8/0x1580 [ 2121.080806][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2121.080806][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2121.080806][ T10] ipv6_add_addr+0x411/0x2000 [ 2121.080806][ T10] inet6_addr_add+0x30e/0xa40 [ 2121.080806][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2121.080806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2121.080806][ T10] netlink_rcv_skb+0x130/0x360 [ 2121.080806][ T10] netlink_unicast+0x449/0x710 [ 2121.080806][ T10] netlink_sendmsg+0x723/0xbe0 [ 2121.080806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2121.080806][ T10] ___sys_sendmsg+0xee/0x170 [ 2121.080806][ T10] __sys_sendmsg+0xcd/0x170 [ 2121.080806][ T10] do_syscall_64+0xc6/0x1e0 [ 2121.080806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2121.080806][ T10] [ 2121.082890][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2121.082890][ T10] netdev_get_by_index+0x5e/0x80 [ 2121.082890][ T10] fib6_nh_init+0x3d8/0x1580 [ 2121.082890][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2121.082890][ T10] ip6_route_add+0x1c/0x140 [ 2121.082890][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2121.082890][ T10] addrconf_add_dev+0xe2/0x170 [ 2121.082890][ T10] inet6_addr_add+0x12f/0xa40 [ 2121.082890][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2121.082890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2121.082890][ T10] netlink_rcv_skb+0x130/0x360 [ 2121.082890][ T10] netlink_unicast+0x449/0x710 [ 2121.082890][ T10] netlink_sendmsg+0x723/0xbe0 [ 2121.082890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2121.082890][ T10] ___sys_sendmsg+0xee/0x170 [ 2121.082890][ T10] __sys_sendmsg+0xcd/0x170 [ 2121.082890][ T10] do_syscall_64+0xc6/0x1e0 [ 2121.082890][ T10] [ 2121.084937][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2121.084937][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2121.084937][ T10] ipv6_find_idev+0x102/0x170 [ 2121.084937][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2121.084937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2121.084937][ T10] netlink_rcv_skb+0x130/0x360 [ 2121.084937][ T10] netlink_unicast+0x449/0x710 [ 2121.084937][ T10] netlink_sendmsg+0x723/0xbe0 [ 2121.084937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2121.084937][ T10] ___sys_sendmsg+0xee/0x170 [ 2121.084937][ T10] __sys_sendmsg+0xcd/0x170 [ 2121.084937][ T10] do_syscall_64+0xc6/0x1e0 [ 2121.084937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2121.084937][ T10] [ 2121.086563][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2121.086563][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2121.086563][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2121.086563][ T10] ipv6_find_idev+0x102/0x170 [ 2121.086563][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2121.086563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2121.086563][ T10] netlink_rcv_skb+0x130/0x360 [ 2121.086563][ T10] netlink_unicast+0x449/0x710 [ 2121.086563][ T10] netlink_sendmsg+0x723/0xbe0 [ 2121.086563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2121.086563][ T10] ___sys_sendmsg+0xee/0x170 [ 2121.086563][ T10] __sys_sendmsg+0xcd/0x170 [ 2121.086563][ T10] do_syscall_64+0xc6/0x1e0 [ 2121.086563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2121.086563][ T10] [ 2125.713072][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2125.713686][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2125.713686][ T1167] dst_init+0x84/0x4a0 [ 2125.713686][ T1167] dst_alloc+0x97/0x150 [ 2125.713686][ T1167] ip6_dst_alloc+0x23/0x90 [ 2125.713686][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2125.713686][ T1167] ip6_pol_route+0x56f/0x840 [ 2125.713686][ T1167] fib6_rule_lookup+0x334/0x630 [ 2125.713686][ T1167] ip6_route_output_flags+0x259/0x480 [ 2125.713686][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2125.713686][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2125.713686][ T1167] netlink_rcv_skb+0x130/0x360 [ 2125.713686][ T1167] netlink_unicast+0x449/0x710 [ 2125.713686][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2125.713686][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2125.713686][ T1167] ___sys_sendmsg+0xee/0x170 [ 2125.713686][ T1167] __sys_sendmsg+0xcd/0x170 [ 2125.713686][ T1167] do_syscall_64+0xc6/0x1e0 [ 2125.713686][ T1167] [ 2125.717011][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2125.717011][ T1167] netdev_get_by_index+0x5e/0x80 [ 2125.717011][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2125.717011][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2125.717011][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2125.717011][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2125.717011][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2125.717011][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2125.717011][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2125.717011][ T1167] addrconf_dad_begin+0x310/0x670 [ 2125.717011][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2125.717011][ T1167] process_one_work+0x84d/0x18a0 [ 2125.717011][ T1167] worker_thread+0x587/0xd30 [ 2125.717011][ T1167] kthread+0x28a/0x350 [ 2125.717011][ T1167] ret_from_fork+0x31/0x70 [ 2125.717011][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2125.717011][ T1167] [ 2125.719243][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2125.719243][ T1167] netdev_get_by_index+0x5e/0x80 [ 2125.719243][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2125.719243][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2125.719243][ T1167] ip6_route_add+0x1c/0x140 [ 2125.719243][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2125.719243][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2125.719243][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2125.719243][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.719243][ T1167] netlink_rcv_skb+0x130/0x360 [ 2125.719243][ T1167] netlink_unicast+0x449/0x710 [ 2125.719243][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2125.719243][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2125.719243][ T1167] ___sys_sendmsg+0xee/0x170 [ 2125.719243][ T1167] __sys_sendmsg+0xcd/0x170 [ 2125.719243][ T1167] do_syscall_64+0xc6/0x1e0 [ 2125.719243][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.719243][ T1167] [ 2125.721783][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2125.721783][ T1167] netdev_get_by_index+0x5e/0x80 [ 2125.721783][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2125.721783][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2125.721783][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2125.721783][ T1167] ipv6_add_addr+0x411/0x2000 [ 2125.721783][ T1167] inet6_addr_add+0x30e/0xa40 [ 2125.721783][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2125.721783][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.721783][ T1167] netlink_rcv_skb+0x130/0x360 [ 2125.721783][ T1167] netlink_unicast+0x449/0x710 [ 2125.721783][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2125.721783][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2125.721783][ T1167] ___sys_sendmsg+0xee/0x170 [ 2125.721783][ T1167] __sys_sendmsg+0xcd/0x170 [ 2125.721783][ T1167] do_syscall_64+0xc6/0x1e0 [ 2125.721783][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.721783][ T1167] [ 2125.724129][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2125.724129][ T1167] netdev_get_by_index+0x5e/0x80 [ 2125.724129][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2125.724129][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2125.724129][ T1167] ip6_route_add+0x1c/0x140 [ 2125.724129][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2125.724129][ T1167] addrconf_add_dev+0xe2/0x170 [ 2125.724129][ T1167] inet6_addr_add+0x12f/0xa40 [ 2125.724129][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2125.724129][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.724129][ T1167] netlink_rcv_skb+0x130/0x360 [ 2125.724129][ T1167] netlink_unicast+0x449/0x710 [ 2125.724129][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2125.724129][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2125.724129][ T1167] ___sys_sendmsg+0xee/0x170 [ 2125.724129][ T1167] __sys_sendmsg+0xcd/0x170 [ 2125.724129][ T1167] do_syscall_64+0xc6/0x1e0 [ 2125.724129][ T1167] [ 2125.726346][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2125.726346][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2125.726346][ T1167] ipv6_find_idev+0x102/0x170 [ 2125.726346][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2125.726346][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.726346][ T1167] netlink_rcv_skb+0x130/0x360 [ 2125.726346][ T1167] netlink_unicast+0x449/0x710 [ 2125.726346][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2125.726346][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2125.726346][ T1167] ___sys_sendmsg+0xee/0x170 [ 2125.726346][ T1167] __sys_sendmsg+0xcd/0x170 [ 2125.726346][ T1167] do_syscall_64+0xc6/0x1e0 [ 2125.726346][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.726346][ T1167] [ 2125.728201][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2125.728201][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2125.728201][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2125.728201][ T1167] ipv6_find_idev+0x102/0x170 [ 2125.728201][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2125.728201][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.728201][ T1167] netlink_rcv_skb+0x130/0x360 [ 2125.728201][ T1167] netlink_unicast+0x449/0x710 [ 2125.728201][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2125.728201][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2125.728201][ T1167] ___sys_sendmsg+0xee/0x170 [ 2125.728201][ T1167] __sys_sendmsg+0xcd/0x170 [ 2125.728201][ T1167] do_syscall_64+0xc6/0x1e0 [ 2125.728201][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.728201][ T1167] [ 2131.089094][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2131.089601][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2131.089601][ T10] netdev_get_by_index+0x5e/0x80 [ 2131.089601][ T10] fib6_nh_init+0x3d8/0x1580 [ 2131.089601][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2131.089601][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2131.089601][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2131.089601][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2131.089601][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2131.089601][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2131.089601][ T10] addrconf_dad_begin+0x310/0x670 [ 2131.089601][ T10] addrconf_dad_work+0x10b/0xab0 [ 2131.089601][ T10] process_one_work+0x84d/0x18a0 [ 2131.089601][ T10] worker_thread+0x587/0xd30 [ 2131.089601][ T10] kthread+0x28a/0x350 [ 2131.089601][ T10] ret_from_fork+0x31/0x70 [ 2131.089601][ T10] ret_from_fork_asm+0x1a/0x30 [ 2131.089601][ T10] [ 2131.092610][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2131.092610][ T10] netdev_get_by_index+0x5e/0x80 [ 2131.092610][ T10] fib6_nh_init+0x3d8/0x1580 [ 2131.092610][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2131.092610][ T10] ip6_route_add+0x1c/0x140 [ 2131.092610][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2131.092610][ T10] inet6_addr_add+0x4f8/0xa40 [ 2131.092610][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2131.092610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2131.092610][ T10] netlink_rcv_skb+0x130/0x360 [ 2131.092610][ T10] netlink_unicast+0x449/0x710 [ 2131.092610][ T10] netlink_sendmsg+0x723/0xbe0 [ 2131.092610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2131.092610][ T10] ___sys_sendmsg+0xee/0x170 [ 2131.092610][ T10] __sys_sendmsg+0xcd/0x170 [ 2131.092610][ T10] do_syscall_64+0xc6/0x1e0 [ 2131.092610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2131.092610][ T10] [ 2131.095750][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2131.095750][ T10] netdev_get_by_index+0x5e/0x80 [ 2131.095750][ T10] fib6_nh_init+0x3d8/0x1580 [ 2131.095750][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2131.095750][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2131.095750][ T10] ipv6_add_addr+0x411/0x2000 [ 2131.095750][ T10] inet6_addr_add+0x30e/0xa40 [ 2131.095750][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2131.095750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2131.095750][ T10] netlink_rcv_skb+0x130/0x360 [ 2131.095750][ T10] netlink_unicast+0x449/0x710 [ 2131.095750][ T10] netlink_sendmsg+0x723/0xbe0 [ 2131.095750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2131.095750][ T10] ___sys_sendmsg+0xee/0x170 [ 2131.095750][ T10] __sys_sendmsg+0xcd/0x170 [ 2131.095750][ T10] do_syscall_64+0xc6/0x1e0 [ 2131.095750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2131.095750][ T10] [ 2131.098891][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2131.098891][ T10] netdev_get_by_index+0x5e/0x80 [ 2131.098891][ T10] fib6_nh_init+0x3d8/0x1580 [ 2131.098891][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2131.098891][ T10] ip6_route_add+0x1c/0x140 [ 2131.098891][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2131.098891][ T10] addrconf_add_dev+0xe2/0x170 [ 2131.098891][ T10] inet6_addr_add+0x12f/0xa40 [ 2131.098891][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2131.098891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2131.098891][ T10] netlink_rcv_skb+0x130/0x360 [ 2131.098891][ T10] netlink_unicast+0x449/0x710 [ 2131.098891][ T10] netlink_sendmsg+0x723/0xbe0 [ 2131.098891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2131.098891][ T10] ___sys_sendmsg+0xee/0x170 [ 2131.098891][ T10] __sys_sendmsg+0xcd/0x170 [ 2131.098891][ T10] do_syscall_64+0xc6/0x1e0 [ 2131.098891][ T10] [ 2131.102025][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2131.102025][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2131.102025][ T10] ipv6_find_idev+0x102/0x170 [ 2131.102025][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2131.102025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2131.102025][ T10] netlink_rcv_skb+0x130/0x360 [ 2131.102025][ T10] netlink_unicast+0x449/0x710 [ 2131.102025][ T10] netlink_sendmsg+0x723/0xbe0 [ 2131.102025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2131.102025][ T10] ___sys_sendmsg+0xee/0x170 [ 2131.102025][ T10] __sys_sendmsg+0xcd/0x170 [ 2131.102025][ T10] do_syscall_64+0xc6/0x1e0 [ 2131.102025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2131.102025][ T10] [ 2131.104437][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2131.104437][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2131.104437][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2131.104437][ T10] ipv6_find_idev+0x102/0x170 [ 2131.104437][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2131.104437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2131.104437][ T10] netlink_rcv_skb+0x130/0x360 [ 2131.104437][ T10] netlink_unicast+0x449/0x710 [ 2131.104437][ T10] netlink_sendmsg+0x723/0xbe0 [ 2131.104437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2131.104437][ T10] ___sys_sendmsg+0xee/0x170 [ 2131.104437][ T10] __sys_sendmsg+0xcd/0x170 [ 2131.104437][ T10] do_syscall_64+0xc6/0x1e0 [ 2131.104437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2131.104437][ T10] [ 2131.106758][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2131.107175][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2131.107175][ T10] netdev_get_by_index+0x5e/0x80 [ 2131.107175][ T10] fib6_nh_init+0x3d8/0x1580 [ 2131.107175][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2131.107175][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2131.107175][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2131.107175][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2131.107175][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2131.107175][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2131.107175][ T10] addrconf_dad_begin+0x310/0x670 [ 2131.107175][ T10] addrconf_dad_work+0x10b/0xab0 [ 2131.107175][ T10] process_one_work+0x84d/0x18a0 [ 2131.107175][ T10] worker_thread+0x587/0xd30 [ 2131.107175][ T10] kthread+0x28a/0x350 [ 2131.107175][ T10] ret_from_fork+0x31/0x70 [ 2131.107175][ T10] ret_from_fork_asm+0x1a/0x30 [ 2131.107175][ T10] [ 2131.109129][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2131.109129][ T10] netdev_get_by_index+0x5e/0x80 [ 2131.109129][ T10] fib6_nh_init+0x3d8/0x1580 [ 2131.109129][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2131.109129][ T10] ip6_route_add+0x1c/0x140 [ 2131.109129][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2131.109129][ T10] inet6_addr_add+0x4f8/0xa40 [ 2131.109129][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2131.109129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2131.109129][ T10] netlink_rcv_skb+0x130/0x360 [ 2131.109129][ T10] netlink_unicast+0x449/0x710 [ 2131.109129][ T10] netlink_sendmsg+0x723/0xbe0 [ 2131.109129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2131.109129][ T10] ___sys_sendmsg+0xee/0x170 [ 2131.109129][ T10] __sys_sendmsg+0xcd/0x170 [ 2131.109129][ T10] do_syscall_64+0xc6/0x1e0 [ 2131.109129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2131.109129][ T10] [ 2131.111163][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2131.111163][ T10] netdev_get_by_index+0x5e/0x80 [ 2131.111163][ T10] fib6_nh_init+0x3d8/0x1580 [ 2131.111163][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2131.111163][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2131.111163][ T10] ipv6_add_addr+0x411/0x2000 [ 2131.111163][ T10] inet6_addr_add+0x30e/0xa40 [ 2131.111163][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2131.111163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2131.111163][ T10] netlink_rcv_skb+0x130/0x360 [ 2131.111163][ T10] netlink_unicast+0x449/0x710 [ 2131.111163][ T10] netlink_sendmsg+0x723/0xbe0 [ 2131.111163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2131.111163][ T10] ___sys_sendmsg+0xee/0x170 [ 2131.111163][ T10] __sys_sendmsg+0xcd/0x170 [ 2131.111163][ T10] do_syscall_64+0xc6/0x1e0 [ 2131.111163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2131.111163][ T10] [ 2131.113640][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2131.113640][ T10] netdev_get_by_index+0x5e/0x80 [ 2131.113640][ T10] fib6_nh_init+0x3d8/0x1580 [ 2131.113640][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2131.113640][ T10] ip6_route_add+0x1c/0x140 [ 2131.113640][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2131.113640][ T10] addrconf_add_dev+0xe2/0x170 [ 2131.113640][ T10] inet6_addr_add+0x12f/0xa40 [ 2131.113640][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2131.113640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2131.113640][ T10] netlink_rcv_skb+0x130/0x360 [ 2131.113640][ T10] netlink_unicast+0x449/0x710 [ 2131.113640][ T10] netlink_sendmsg+0x723/0xbe0 [ 2131.113640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2131.113640][ T10] ___sys_sendmsg+0xee/0x170 [ 2131.113640][ T10] __sys_sendmsg+0xcd/0x170 [ 2131.113640][ T10] do_syscall_64+0xc6/0x1e0 [ 2131.113640][ T10] [ 2131.115639][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2131.115639][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2131.115639][ T10] ipv6_find_idev+0x102/0x170 [ 2131.115639][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2131.115639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2131.115639][ T10] netlink_rcv_skb+0x130/0x360 [ 2131.115639][ T10] netlink_unicast+0x449/0x710 [ 2131.115639][ T10] netlink_sendmsg+0x723/0xbe0 [ 2131.115639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2131.115639][ T10] ___sys_sendmsg+0xee/0x170 [ 2131.115639][ T10] __sys_sendmsg+0xcd/0x170 [ 2131.115639][ T10] do_syscall_64+0xc6/0x1e0 [ 2131.115639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2131.115639][ T10] [ 2131.117199][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2131.117199][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2131.117199][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2131.117199][ T10] ipv6_find_idev+0x102/0x170 [ 2131.117199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2131.117199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2131.117199][ T10] netlink_rcv_skb+0x130/0x360 [ 2131.117199][ T10] netlink_unicast+0x449/0x710 [ 2131.117199][ T10] netlink_sendmsg+0x723/0xbe0 [ 2131.117199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2131.117199][ T10] ___sys_sendmsg+0xee/0x170 [ 2131.117199][ T10] __sys_sendmsg+0xcd/0x170 [ 2131.117199][ T10] do_syscall_64+0xc6/0x1e0 [ 2131.117199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2131.117199][ T10] [ 2131.118934][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2131.119202][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2131.119202][ T10] netdev_get_by_index+0x5e/0x80 [ 2131.119202][ T10] fib6_nh_init+0x3d8/0x1580 [ 2131.119202][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2131.119202][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2131.119202][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2131.119202][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2131.119202][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2131.119202][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2131.119202][ T10] addrconf_dad_begin+0x310/0x670 [ 2131.119202][ T10] addrconf_dad_work+0x10b/0xab0 [ 2131.119202][ T10] process_one_work+0x84d/0x18a0 [ 2131.119202][ T10] worker_thread+0x587/0xd30 [ 2131.119202][ T10] kthread+0x28a/0x350 [ 2131.119202][ T10] ret_from_fork+0x31/0x70 [ 2131.119202][ T10] ret_from_fork_asm+0x1a/0x30 [ 2131.119202][ T10] [ 2131.121151][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2131.121151][ T10] netdev_get_by_index+0x5e/0x80 [ 2131.121151][ T10] fib6_nh_init+0x3d8/0x1580 [ 2131.121151][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2131.121151][ T10] ip6_route_add+0x1c/0x140 [ 2131.121151][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2131.121151][ T10] inet6_addr_add+0x4f8/0xa40 [ 2131.121151][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2131.121151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2131.121151][ T10] netlink_rcv_skb+0x130/0x360 [ 2131.121151][ T10] netlink_unicast+0x449/0x710 [ 2131.121151][ T10] netlink_sendmsg+0x723/0xbe0 [ 2131.121151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2131.121151][ T10] ___sys_sendmsg+0xee/0x170 [ 2131.121151][ T10] __sys_sendmsg+0xcd/0x170 [ 2131.121151][ T10] do_syscall_64+0xc6/0x1e0 [ 2131.121151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2131.121151][ T10] [ 2131.123491][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2131.123491][ T10] netdev_get_by_index+0x5e/0x80 [ 2131.123491][ T10] fib6_nh_init+0x3d8/0x1580 [ 2131.123491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2131.123491][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2131.123491][ T10] ipv6_add_addr+0x411/0x2000 [ 2131.123491][ T10] inet6_addr_add+0x30e/0xa40 [ 2131.123491][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2131.123491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2131.123491][ T10] netlink_rcv_skb+0x130/0x360 [ 2131.123491][ T10] netlink_unicast+0x449/0x710 [ 2131.123491][ T10] netlink_sendmsg+0x723/0xbe0 [ 2131.123491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2131.123491][ T10] ___sys_sendmsg+0xee/0x170 [ 2131.123491][ T10] __sys_sendmsg+0xcd/0x170 [ 2131.123491][ T10] do_syscall_64+0xc6/0x1e0 [ 2131.123491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2131.123491][ T10] [ 2131.125762][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2131.125762][ T10] netdev_get_by_index+0x5e/0x80 [ 2131.125762][ T10] fib6_nh_init+0x3d8/0x1580 [ 2131.125762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2131.125762][ T10] ip6_route_add+0x1c/0x140 [ 2131.125762][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2131.125762][ T10] addrconf_add_dev+0xe2/0x170 [ 2131.125762][ T10] inet6_addr_add+0x12f/0xa40 [ 2131.125762][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2131.125762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2131.125762][ T10] netlink_rcv_skb+0x130/0x360 [ 2131.125762][ T10] netlink_unicast+0x449/0x710 [ 2131.125762][ T10] netlink_sendmsg+0x723/0xbe0 [ 2131.125762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2131.125762][ T10] ___sys_sendmsg+0xee/0x170 [ 2131.125762][ T10] __sys_sendmsg+0xcd/0x170 [ 2131.125762][ T10] do_syscall_64+0xc6/0x1e0 [ 2131.125762][ T10] [ 2131.128111][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2131.128111][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2131.128111][ T10] ipv6_find_idev+0x102/0x170 [ 2131.128111][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2131.128111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2131.128111][ T10] netlink_rcv_skb+0x130/0x360 [ 2131.128111][ T10] netlink_unicast+0x449/0x710 [ 2131.128111][ T10] netlink_sendmsg+0x723/0xbe0 [ 2131.128111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2131.128111][ T10] ___sys_sendmsg+0xee/0x170 [ 2131.128111][ T10] __sys_sendmsg+0xcd/0x170 [ 2131.128111][ T10] do_syscall_64+0xc6/0x1e0 [ 2131.128111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2131.128111][ T10] [ 2131.129865][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2131.129865][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2131.129865][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2131.129865][ T10] ipv6_find_idev+0x102/0x170 [ 2131.129865][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2131.129865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2131.129865][ T10] netlink_rcv_skb+0x130/0x360 [ 2131.129865][ T10] netlink_unicast+0x449/0x710 [ 2131.129865][ T10] netlink_sendmsg+0x723/0xbe0 [ 2131.129865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2131.129865][ T10] ___sys_sendmsg+0xee/0x170 [ 2131.129865][ T10] __sys_sendmsg+0xcd/0x170 [ 2131.129865][ T10] do_syscall_64+0xc6/0x1e0 [ 2131.129865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2131.129865][ T10] [ 2131.131858][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2131.132625][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2131.132625][ T10] netdev_get_by_index+0x5e/0x80 [ 2131.132625][ T10] fib6_nh_init+0x3d8/0x1580 [ 2131.132625][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2131.132625][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2131.132625][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2131.132625][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2131.132625][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2131.132625][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2131.132625][ T10] addrconf_dad_begin+0x310/0x670 [ 2131.132625][ T10] addrconf_dad_work+0x10b/0xab0 [ 2131.132625][ T10] process_one_work+0x84d/0x18a0 [ 2131.132625][ T10] worker_thread+0x587/0xd30 [ 2131.132625][ T10] kthread+0x28a/0x350 [ 2131.132625][ T10] ret_from_fork+0x31/0x70 [ 2131.132625][ T10] ret_from_fork_asm+0x1a/0x30 [ 2131.132625][ T10] [ 2131.134547][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2131.134547][ T10] netdev_get_by_index+0x5e/0x80 [ 2131.134547][ T10] fib6_nh_init+0x3d8/0x1580 [ 2131.134547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2131.134547][ T10] ip6_route_add+0x1c/0x140 [ 2131.134547][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2131.134547][ T10] inet6_addr_add+0x4f8/0xa40 [ 2131.134547][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2131.134547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2131.134547][ T10] netlink_rcv_skb+0x130/0x360 [ 2131.134547][ T10] netlink_unicast+0x449/0x710 [ 2131.134547][ T10] netlink_sendmsg+0x723/0xbe0 [ 2131.134547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2131.134547][ T10] ___sys_sendmsg+0xee/0x170 [ 2131.134547][ T10] __sys_sendmsg+0xcd/0x170 [ 2131.134547][ T10] do_syscall_64+0xc6/0x1e0 [ 2131.134547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2131.134547][ T10] [ 2131.136672][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2131.136672][ T10] netdev_get_by_index+0x5e/0x80 [ 2131.136672][ T10] fib6_nh_init+0x3d8/0x1580 [ 2131.136672][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2131.136672][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2131.136672][ T10] ipv6_add_addr+0x411/0x2000 [ 2131.136672][ T10] inet6_addr_add+0x30e/0xa40 [ 2131.136672][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2131.136672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2131.136672][ T10] netlink_rcv_skb+0x130/0x360 [ 2131.136672][ T10] netlink_unicast+0x449/0x710 [ 2131.136672][ T10] netlink_sendmsg+0x723/0xbe0 [ 2131.136672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2131.136672][ T10] ___sys_sendmsg+0xee/0x170 [ 2131.136672][ T10] __sys_sendmsg+0xcd/0x170 [ 2131.136672][ T10] do_syscall_64+0xc6/0x1e0 [ 2131.136672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2131.136672][ T10] [ 2131.138933][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2131.138933][ T10] netdev_get_by_index+0x5e/0x80 [ 2131.138933][ T10] fib6_nh_init+0x3d8/0x1580 [ 2131.138933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2131.138933][ T10] ip6_route_add+0x1c/0x140 [ 2131.138933][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2131.138933][ T10] addrconf_add_dev+0xe2/0x170 [ 2131.138933][ T10] inet6_addr_add+0x12f/0xa40 [ 2131.138933][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2131.138933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2131.138933][ T10] netlink_rcv_skb+0x130/0x360 [ 2131.138933][ T10] netlink_unicast+0x449/0x710 [ 2131.138933][ T10] netlink_sendmsg+0x723/0xbe0 [ 2131.138933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2131.138933][ T10] ___sys_sendmsg+0xee/0x170 [ 2131.138933][ T10] __sys_sendmsg+0xcd/0x170 [ 2131.138933][ T10] do_syscall_64+0xc6/0x1e0 [ 2131.138933][ T10] [ 2131.141145][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2131.141145][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2131.141145][ T10] ipv6_find_idev+0x102/0x170 [ 2131.141145][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2131.141145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2131.141145][ T10] netlink_rcv_skb+0x130/0x360 [ 2131.141145][ T10] netlink_unicast+0x449/0x710 [ 2131.141145][ T10] netlink_sendmsg+0x723/0xbe0 [ 2131.141145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2131.141145][ T10] ___sys_sendmsg+0xee/0x170 [ 2131.141145][ T10] __sys_sendmsg+0xcd/0x170 [ 2131.141145][ T10] do_syscall_64+0xc6/0x1e0 [ 2131.141145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2131.141145][ T10] [ 2131.142802][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2131.142802][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2131.142802][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2131.142802][ T10] ipv6_find_idev+0x102/0x170 [ 2131.142802][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2131.142802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2131.142802][ T10] netlink_rcv_skb+0x130/0x360 [ 2131.142802][ T10] netlink_unicast+0x449/0x710 [ 2131.142802][ T10] netlink_sendmsg+0x723/0xbe0 [ 2131.142802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2131.142802][ T10] ___sys_sendmsg+0xee/0x170 [ 2131.142802][ T10] __sys_sendmsg+0xcd/0x170 [ 2131.142802][ T10] do_syscall_64+0xc6/0x1e0 [ 2131.142802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2131.142802][ T10] [ 2135.753143][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2135.753601][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2135.753601][ T1167] dst_init+0x84/0x4a0 [ 2135.753601][ T1167] dst_alloc+0x97/0x150 [ 2135.753601][ T1167] ip6_dst_alloc+0x23/0x90 [ 2135.753601][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2135.753601][ T1167] ip6_pol_route+0x56f/0x840 [ 2135.753601][ T1167] fib6_rule_lookup+0x334/0x630 [ 2135.753601][ T1167] ip6_route_output_flags+0x259/0x480 [ 2135.753601][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2135.753601][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2135.753601][ T1167] netlink_rcv_skb+0x130/0x360 [ 2135.753601][ T1167] netlink_unicast+0x449/0x710 [ 2135.753601][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2135.753601][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2135.753601][ T1167] ___sys_sendmsg+0xee/0x170 [ 2135.753601][ T1167] __sys_sendmsg+0xcd/0x170 [ 2135.753601][ T1167] do_syscall_64+0xc6/0x1e0 [ 2135.753601][ T1167] [ 2135.755923][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2135.755923][ T1167] netdev_get_by_index+0x5e/0x80 [ 2135.755923][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2135.755923][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2135.755923][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2135.755923][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2135.755923][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2135.755923][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2135.755923][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2135.755923][ T1167] addrconf_dad_begin+0x310/0x670 [ 2135.755923][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2135.755923][ T1167] process_one_work+0x84d/0x18a0 [ 2135.755923][ T1167] worker_thread+0x587/0xd30 [ 2135.755923][ T1167] kthread+0x28a/0x350 [ 2135.755923][ T1167] ret_from_fork+0x31/0x70 [ 2135.755923][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2135.755923][ T1167] [ 2135.758202][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2135.758202][ T1167] netdev_get_by_index+0x5e/0x80 [ 2135.758202][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2135.758202][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2135.758202][ T1167] ip6_route_add+0x1c/0x140 [ 2135.758202][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2135.758202][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2135.758202][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2135.758202][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.758202][ T1167] netlink_rcv_skb+0x130/0x360 [ 2135.758202][ T1167] netlink_unicast+0x449/0x710 [ 2135.758202][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2135.758202][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2135.758202][ T1167] ___sys_sendmsg+0xee/0x170 [ 2135.758202][ T1167] __sys_sendmsg+0xcd/0x170 [ 2135.758202][ T1167] do_syscall_64+0xc6/0x1e0 [ 2135.758202][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.758202][ T1167] [ 2135.760575][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2135.760575][ T1167] netdev_get_by_index+0x5e/0x80 [ 2135.760575][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2135.760575][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2135.760575][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2135.760575][ T1167] ipv6_add_addr+0x411/0x2000 [ 2135.760575][ T1167] inet6_addr_add+0x30e/0xa40 [ 2135.760575][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2135.760575][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.760575][ T1167] netlink_rcv_skb+0x130/0x360 [ 2135.760575][ T1167] netlink_unicast+0x449/0x710 [ 2135.760575][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2135.760575][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2135.760575][ T1167] ___sys_sendmsg+0xee/0x170 [ 2135.760575][ T1167] __sys_sendmsg+0xcd/0x170 [ 2135.760575][ T1167] do_syscall_64+0xc6/0x1e0 [ 2135.760575][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.760575][ T1167] [ 2135.763102][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2135.763102][ T1167] netdev_get_by_index+0x5e/0x80 [ 2135.763102][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2135.763102][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2135.763102][ T1167] ip6_route_add+0x1c/0x140 [ 2135.763102][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2135.763102][ T1167] addrconf_add_dev+0xe2/0x170 [ 2135.763102][ T1167] inet6_addr_add+0x12f/0xa40 [ 2135.763102][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2135.763102][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.763102][ T1167] netlink_rcv_skb+0x130/0x360 [ 2135.763102][ T1167] netlink_unicast+0x449/0x710 [ 2135.763102][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2135.763102][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2135.763102][ T1167] ___sys_sendmsg+0xee/0x170 [ 2135.763102][ T1167] __sys_sendmsg+0xcd/0x170 [ 2135.763102][ T1167] do_syscall_64+0xc6/0x1e0 [ 2135.763102][ T1167] [ 2135.765332][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2135.765332][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2135.765332][ T1167] ipv6_find_idev+0x102/0x170 [ 2135.765332][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2135.765332][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.765332][ T1167] netlink_rcv_skb+0x130/0x360 [ 2135.765332][ T1167] netlink_unicast+0x449/0x710 [ 2135.765332][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2135.765332][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2135.765332][ T1167] ___sys_sendmsg+0xee/0x170 [ 2135.765332][ T1167] __sys_sendmsg+0xcd/0x170 [ 2135.765332][ T1167] do_syscall_64+0xc6/0x1e0 [ 2135.765332][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.765332][ T1167] [ 2135.767060][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2135.767060][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2135.767060][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2135.767060][ T1167] ipv6_find_idev+0x102/0x170 [ 2135.767060][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2135.767060][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.767060][ T1167] netlink_rcv_skb+0x130/0x360 [ 2135.767060][ T1167] netlink_unicast+0x449/0x710 [ 2135.767060][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2135.767060][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2135.767060][ T1167] ___sys_sendmsg+0xee/0x170 [ 2135.767060][ T1167] __sys_sendmsg+0xcd/0x170 [ 2135.767060][ T1167] do_syscall_64+0xc6/0x1e0 [ 2135.767060][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.767060][ T1167] [ 2141.385124][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2141.385497][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2141.385497][ T10] netdev_get_by_index+0x5e/0x80 [ 2141.385497][ T10] fib6_nh_init+0x3d8/0x1580 [ 2141.385497][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2141.385497][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2141.385497][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2141.385497][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2141.385497][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2141.385497][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2141.385497][ T10] addrconf_dad_begin+0x310/0x670 [ 2141.385497][ T10] addrconf_dad_work+0x10b/0xab0 [ 2141.385497][ T10] process_one_work+0x84d/0x18a0 [ 2141.385497][ T10] worker_thread+0x587/0xd30 [ 2141.385497][ T10] kthread+0x28a/0x350 [ 2141.385497][ T10] ret_from_fork+0x31/0x70 [ 2141.385497][ T10] ret_from_fork_asm+0x1a/0x30 [ 2141.385497][ T10] [ 2141.387454][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2141.387454][ T10] netdev_get_by_index+0x5e/0x80 [ 2141.387454][ T10] fib6_nh_init+0x3d8/0x1580 [ 2141.387454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2141.387454][ T10] ip6_route_add+0x1c/0x140 [ 2141.387454][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2141.387454][ T10] inet6_addr_add+0x4f8/0xa40 [ 2141.387454][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2141.387454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2141.387454][ T10] netlink_rcv_skb+0x130/0x360 [ 2141.387454][ T10] netlink_unicast+0x449/0x710 [ 2141.387454][ T10] netlink_sendmsg+0x723/0xbe0 [ 2141.387454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2141.387454][ T10] ___sys_sendmsg+0xee/0x170 [ 2141.387454][ T10] __sys_sendmsg+0xcd/0x170 [ 2141.387454][ T10] do_syscall_64+0xc6/0x1e0 [ 2141.387454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2141.387454][ T10] [ 2141.389487][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2141.389487][ T10] netdev_get_by_index+0x5e/0x80 [ 2141.389487][ T10] fib6_nh_init+0x3d8/0x1580 [ 2141.389487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2141.389487][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2141.389487][ T10] ipv6_add_addr+0x411/0x2000 [ 2141.389487][ T10] inet6_addr_add+0x30e/0xa40 [ 2141.389487][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2141.389487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2141.389487][ T10] netlink_rcv_skb+0x130/0x360 [ 2141.389487][ T10] netlink_unicast+0x449/0x710 [ 2141.389487][ T10] netlink_sendmsg+0x723/0xbe0 [ 2141.389487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2141.389487][ T10] ___sys_sendmsg+0xee/0x170 [ 2141.389487][ T10] __sys_sendmsg+0xcd/0x170 [ 2141.389487][ T10] do_syscall_64+0xc6/0x1e0 [ 2141.389487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2141.389487][ T10] [ 2141.391507][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2141.391507][ T10] netdev_get_by_index+0x5e/0x80 [ 2141.391507][ T10] fib6_nh_init+0x3d8/0x1580 [ 2141.391507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2141.391507][ T10] ip6_route_add+0x1c/0x140 [ 2141.391507][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2141.391507][ T10] addrconf_add_dev+0xe2/0x170 [ 2141.391507][ T10] inet6_addr_add+0x12f/0xa40 [ 2141.391507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2141.391507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2141.391507][ T10] netlink_rcv_skb+0x130/0x360 [ 2141.391507][ T10] netlink_unicast+0x449/0x710 [ 2141.391507][ T10] netlink_sendmsg+0x723/0xbe0 [ 2141.391507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2141.391507][ T10] ___sys_sendmsg+0xee/0x170 [ 2141.391507][ T10] __sys_sendmsg+0xcd/0x170 [ 2141.391507][ T10] do_syscall_64+0xc6/0x1e0 [ 2141.391507][ T10] [ 2141.393501][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2141.393501][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2141.393501][ T10] ipv6_find_idev+0x102/0x170 [ 2141.393501][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2141.393501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2141.393501][ T10] netlink_rcv_skb+0x130/0x360 [ 2141.393501][ T10] netlink_unicast+0x449/0x710 [ 2141.393501][ T10] netlink_sendmsg+0x723/0xbe0 [ 2141.393501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2141.393501][ T10] ___sys_sendmsg+0xee/0x170 [ 2141.393501][ T10] __sys_sendmsg+0xcd/0x170 [ 2141.393501][ T10] do_syscall_64+0xc6/0x1e0 [ 2141.393501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2141.393501][ T10] [ 2141.395138][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2141.395138][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2141.395138][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2141.395138][ T10] ipv6_find_idev+0x102/0x170 [ 2141.395138][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2141.395138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2141.395138][ T10] netlink_rcv_skb+0x130/0x360 [ 2141.395138][ T10] netlink_unicast+0x449/0x710 [ 2141.395138][ T10] netlink_sendmsg+0x723/0xbe0 [ 2141.395138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2141.395138][ T10] ___sys_sendmsg+0xee/0x170 [ 2141.395138][ T10] __sys_sendmsg+0xcd/0x170 [ 2141.395138][ T10] do_syscall_64+0xc6/0x1e0 [ 2141.395138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2141.395138][ T10] [ 2141.396856][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2141.397118][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2141.397118][ T10] netdev_get_by_index+0x5e/0x80 [ 2141.397118][ T10] fib6_nh_init+0x3d8/0x1580 [ 2141.397118][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2141.397118][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2141.397118][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2141.397118][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2141.397118][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2141.397118][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2141.397118][ T10] addrconf_dad_begin+0x310/0x670 [ 2141.397118][ T10] addrconf_dad_work+0x10b/0xab0 [ 2141.397118][ T10] process_one_work+0x84d/0x18a0 [ 2141.397118][ T10] worker_thread+0x587/0xd30 [ 2141.397118][ T10] kthread+0x28a/0x350 [ 2141.397118][ T10] ret_from_fork+0x31/0x70 [ 2141.397118][ T10] ret_from_fork_asm+0x1a/0x30 [ 2141.397118][ T10] [ 2141.399038][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2141.399038][ T10] netdev_get_by_index+0x5e/0x80 [ 2141.399038][ T10] fib6_nh_init+0x3d8/0x1580 [ 2141.399038][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2141.399038][ T10] ip6_route_add+0x1c/0x140 [ 2141.399038][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2141.399038][ T10] inet6_addr_add+0x4f8/0xa40 [ 2141.399038][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2141.399038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2141.399038][ T10] netlink_rcv_skb+0x130/0x360 [ 2141.399038][ T10] netlink_unicast+0x449/0x710 [ 2141.399038][ T10] netlink_sendmsg+0x723/0xbe0 [ 2141.399038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2141.399038][ T10] ___sys_sendmsg+0xee/0x170 [ 2141.399038][ T10] __sys_sendmsg+0xcd/0x170 [ 2141.399038][ T10] do_syscall_64+0xc6/0x1e0 [ 2141.399038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2141.399038][ T10] [ 2141.401046][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2141.401046][ T10] netdev_get_by_index+0x5e/0x80 [ 2141.401046][ T10] fib6_nh_init+0x3d8/0x1580 [ 2141.401046][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2141.401046][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2141.401046][ T10] ipv6_add_addr+0x411/0x2000 [ 2141.401046][ T10] inet6_addr_add+0x30e/0xa40 [ 2141.401046][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2141.401046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2141.401046][ T10] netlink_rcv_skb+0x130/0x360 [ 2141.401046][ T10] netlink_unicast+0x449/0x710 [ 2141.401046][ T10] netlink_sendmsg+0x723/0xbe0 [ 2141.401046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2141.401046][ T10] ___sys_sendmsg+0xee/0x170 [ 2141.401046][ T10] __sys_sendmsg+0xcd/0x170 [ 2141.401046][ T10] do_syscall_64+0xc6/0x1e0 [ 2141.401046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2141.401046][ T10] [ 2141.403050][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2141.403050][ T10] netdev_get_by_index+0x5e/0x80 [ 2141.403050][ T10] fib6_nh_init+0x3d8/0x1580 [ 2141.403050][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2141.403050][ T10] ip6_route_add+0x1c/0x140 [ 2141.403050][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2141.403050][ T10] addrconf_add_dev+0xe2/0x170 [ 2141.403050][ T10] inet6_addr_add+0x12f/0xa40 [ 2141.403050][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2141.403050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2141.403050][ T10] netlink_rcv_skb+0x130/0x360 [ 2141.403050][ T10] netlink_unicast+0x449/0x710 [ 2141.403050][ T10] netlink_sendmsg+0x723/0xbe0 [ 2141.403050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2141.403050][ T10] ___sys_sendmsg+0xee/0x170 [ 2141.403050][ T10] __sys_sendmsg+0xcd/0x170 [ 2141.403050][ T10] do_syscall_64+0xc6/0x1e0 [ 2141.403050][ T10] [ 2141.405581][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2141.405581][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2141.405581][ T10] ipv6_find_idev+0x102/0x170 [ 2141.405581][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2141.405581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2141.405581][ T10] netlink_rcv_skb+0x130/0x360 [ 2141.405581][ T10] netlink_unicast+0x449/0x710 [ 2141.405581][ T10] netlink_sendmsg+0x723/0xbe0 [ 2141.405581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2141.405581][ T10] ___sys_sendmsg+0xee/0x170 [ 2141.405581][ T10] __sys_sendmsg+0xcd/0x170 [ 2141.405581][ T10] do_syscall_64+0xc6/0x1e0 [ 2141.405581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2141.405581][ T10] [ 2141.407125][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2141.407125][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2141.407125][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2141.407125][ T10] ipv6_find_idev+0x102/0x170 [ 2141.407125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2141.407125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2141.407125][ T10] netlink_rcv_skb+0x130/0x360 [ 2141.407125][ T10] netlink_unicast+0x449/0x710 [ 2141.407125][ T10] netlink_sendmsg+0x723/0xbe0 [ 2141.407125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2141.407125][ T10] ___sys_sendmsg+0xee/0x170 [ 2141.407125][ T10] __sys_sendmsg+0xcd/0x170 [ 2141.407125][ T10] do_syscall_64+0xc6/0x1e0 [ 2141.407125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2141.407125][ T10] [ 2141.408831][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2141.409087][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2141.409087][ T10] netdev_get_by_index+0x5e/0x80 [ 2141.409087][ T10] fib6_nh_init+0x3d8/0x1580 [ 2141.409087][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2141.409087][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2141.409087][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2141.409087][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2141.409087][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2141.409087][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2141.409087][ T10] addrconf_dad_begin+0x310/0x670 [ 2141.409087][ T10] addrconf_dad_work+0x10b/0xab0 [ 2141.409087][ T10] process_one_work+0x84d/0x18a0 [ 2141.409087][ T10] worker_thread+0x587/0xd30 [ 2141.409087][ T10] kthread+0x28a/0x350 [ 2141.409087][ T10] ret_from_fork+0x31/0x70 [ 2141.409087][ T10] ret_from_fork_asm+0x1a/0x30 [ 2141.409087][ T10] [ 2141.411011][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2141.411011][ T10] netdev_get_by_index+0x5e/0x80 [ 2141.411011][ T10] fib6_nh_init+0x3d8/0x1580 [ 2141.411011][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2141.411011][ T10] ip6_route_add+0x1c/0x140 [ 2141.411011][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2141.411011][ T10] inet6_addr_add+0x4f8/0xa40 [ 2141.411011][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2141.411011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2141.411011][ T10] netlink_rcv_skb+0x130/0x360 [ 2141.411011][ T10] netlink_unicast+0x449/0x710 [ 2141.411011][ T10] netlink_sendmsg+0x723/0xbe0 [ 2141.411011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2141.411011][ T10] ___sys_sendmsg+0xee/0x170 [ 2141.411011][ T10] __sys_sendmsg+0xcd/0x170 [ 2141.411011][ T10] do_syscall_64+0xc6/0x1e0 [ 2141.411011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2141.411011][ T10] [ 2141.413153][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2141.413153][ T10] netdev_get_by_index+0x5e/0x80 [ 2141.413153][ T10] fib6_nh_init+0x3d8/0x1580 [ 2141.413153][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2141.413153][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2141.413153][ T10] ipv6_add_addr+0x411/0x2000 [ 2141.413153][ T10] inet6_addr_add+0x30e/0xa40 [ 2141.413153][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2141.413153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2141.413153][ T10] netlink_rcv_skb+0x130/0x360 [ 2141.413153][ T10] netlink_unicast+0x449/0x710 [ 2141.413153][ T10] netlink_sendmsg+0x723/0xbe0 [ 2141.413153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2141.413153][ T10] ___sys_sendmsg+0xee/0x170 [ 2141.413153][ T10] __sys_sendmsg+0xcd/0x170 [ 2141.413153][ T10] do_syscall_64+0xc6/0x1e0 [ 2141.413153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2141.413153][ T10] [ 2141.415275][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2141.415275][ T10] netdev_get_by_index+0x5e/0x80 [ 2141.415275][ T10] fib6_nh_init+0x3d8/0x1580 [ 2141.415275][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2141.415275][ T10] ip6_route_add+0x1c/0x140 [ 2141.415275][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2141.415275][ T10] addrconf_add_dev+0xe2/0x170 [ 2141.415275][ T10] inet6_addr_add+0x12f/0xa40 [ 2141.415275][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2141.415275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2141.415275][ T10] netlink_rcv_skb+0x130/0x360 [ 2141.415275][ T10] netlink_unicast+0x449/0x710 [ 2141.415275][ T10] netlink_sendmsg+0x723/0xbe0 [ 2141.415275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2141.415275][ T10] ___sys_sendmsg+0xee/0x170 [ 2141.415275][ T10] __sys_sendmsg+0xcd/0x170 [ 2141.415275][ T10] do_syscall_64+0xc6/0x1e0 [ 2141.415275][ T10] [ 2141.417369][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2141.417369][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2141.417369][ T10] ipv6_find_idev+0x102/0x170 [ 2141.417369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2141.417369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2141.417369][ T10] netlink_rcv_skb+0x130/0x360 [ 2141.417369][ T10] netlink_unicast+0x449/0x710 [ 2141.417369][ T10] netlink_sendmsg+0x723/0xbe0 [ 2141.417369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2141.417369][ T10] ___sys_sendmsg+0xee/0x170 [ 2141.417369][ T10] __sys_sendmsg+0xcd/0x170 [ 2141.417369][ T10] do_syscall_64+0xc6/0x1e0 [ 2141.417369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2141.417369][ T10] [ 2141.419058][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2141.419058][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2141.419058][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2141.419058][ T10] ipv6_find_idev+0x102/0x170 [ 2141.419058][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2141.419058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2141.419058][ T10] netlink_rcv_skb+0x130/0x360 [ 2141.419058][ T10] netlink_unicast+0x449/0x710 [ 2141.419058][ T10] netlink_sendmsg+0x723/0xbe0 [ 2141.419058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2141.419058][ T10] ___sys_sendmsg+0xee/0x170 [ 2141.419058][ T10] __sys_sendmsg+0xcd/0x170 [ 2141.419058][ T10] do_syscall_64+0xc6/0x1e0 [ 2141.419058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2141.419058][ T10] [ 2141.420837][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2141.421524][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2141.421524][ T10] netdev_get_by_index+0x5e/0x80 [ 2141.421524][ T10] fib6_nh_init+0x3d8/0x1580 [ 2141.421524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2141.421524][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2141.421524][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2141.421524][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2141.421524][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2141.421524][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2141.421524][ T10] addrconf_dad_begin+0x310/0x670 [ 2141.421524][ T10] addrconf_dad_work+0x10b/0xab0 [ 2141.421524][ T10] process_one_work+0x84d/0x18a0 [ 2141.421524][ T10] worker_thread+0x587/0xd30 [ 2141.421524][ T10] kthread+0x28a/0x350 [ 2141.421524][ T10] ret_from_fork+0x31/0x70 [ 2141.421524][ T10] ret_from_fork_asm+0x1a/0x30 [ 2141.421524][ T10] [ 2141.423455][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2141.423455][ T10] netdev_get_by_index+0x5e/0x80 [ 2141.423455][ T10] fib6_nh_init+0x3d8/0x1580 [ 2141.423455][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2141.423455][ T10] ip6_route_add+0x1c/0x140 [ 2141.423455][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2141.423455][ T10] inet6_addr_add+0x4f8/0xa40 [ 2141.423455][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2141.423455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2141.423455][ T10] netlink_rcv_skb+0x130/0x360 [ 2141.423455][ T10] netlink_unicast+0x449/0x710 [ 2141.423455][ T10] netlink_sendmsg+0x723/0xbe0 [ 2141.423455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2141.423455][ T10] ___sys_sendmsg+0xee/0x170 [ 2141.423455][ T10] __sys_sendmsg+0xcd/0x170 [ 2141.423455][ T10] do_syscall_64+0xc6/0x1e0 [ 2141.423455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2141.423455][ T10] [ 2141.425528][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2141.425528][ T10] netdev_get_by_index+0x5e/0x80 [ 2141.425528][ T10] fib6_nh_init+0x3d8/0x1580 [ 2141.425528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2141.425528][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2141.425528][ T10] ipv6_add_addr+0x411/0x2000 [ 2141.425528][ T10] inet6_addr_add+0x30e/0xa40 [ 2141.425528][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2141.425528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2141.425528][ T10] netlink_rcv_skb+0x130/0x360 [ 2141.425528][ T10] netlink_unicast+0x449/0x710 [ 2141.425528][ T10] netlink_sendmsg+0x723/0xbe0 [ 2141.425528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2141.425528][ T10] ___sys_sendmsg+0xee/0x170 [ 2141.425528][ T10] __sys_sendmsg+0xcd/0x170 [ 2141.425528][ T10] do_syscall_64+0xc6/0x1e0 [ 2141.425528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2141.425528][ T10] [ 2141.427673][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2141.427673][ T10] netdev_get_by_index+0x5e/0x80 [ 2141.427673][ T10] fib6_nh_init+0x3d8/0x1580 [ 2141.427673][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2141.427673][ T10] ip6_route_add+0x1c/0x140 [ 2141.427673][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2141.427673][ T10] addrconf_add_dev+0xe2/0x170 [ 2141.427673][ T10] inet6_addr_add+0x12f/0xa40 [ 2141.427673][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2141.427673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2141.427673][ T10] netlink_rcv_skb+0x130/0x360 [ 2141.427673][ T10] netlink_unicast+0x449/0x710 [ 2141.427673][ T10] netlink_sendmsg+0x723/0xbe0 [ 2141.427673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2141.427673][ T10] ___sys_sendmsg+0xee/0x170 [ 2141.427673][ T10] __sys_sendmsg+0xcd/0x170 [ 2141.427673][ T10] do_syscall_64+0xc6/0x1e0 [ 2141.427673][ T10] [ 2141.429861][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2141.429861][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2141.429861][ T10] ipv6_find_idev+0x102/0x170 [ 2141.429861][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2141.429861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2141.429861][ T10] netlink_rcv_skb+0x130/0x360 [ 2141.429861][ T10] netlink_unicast+0x449/0x710 [ 2141.429861][ T10] netlink_sendmsg+0x723/0xbe0 [ 2141.429861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2141.429861][ T10] ___sys_sendmsg+0xee/0x170 [ 2141.429861][ T10] __sys_sendmsg+0xcd/0x170 [ 2141.429861][ T10] do_syscall_64+0xc6/0x1e0 [ 2141.429861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2141.429861][ T10] [ 2141.431865][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2141.431865][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2141.431865][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2141.431865][ T10] ipv6_find_idev+0x102/0x170 [ 2141.431865][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2141.431865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2141.431865][ T10] netlink_rcv_skb+0x130/0x360 [ 2141.431865][ T10] netlink_unicast+0x449/0x710 [ 2141.431865][ T10] netlink_sendmsg+0x723/0xbe0 [ 2141.431865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2141.431865][ T10] ___sys_sendmsg+0xee/0x170 [ 2141.431865][ T10] __sys_sendmsg+0xcd/0x170 [ 2141.431865][ T10] do_syscall_64+0xc6/0x1e0 [ 2141.431865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2141.431865][ T10] [ 2145.801119][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2145.801604][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2145.801604][ T1167] dst_init+0x84/0x4a0 [ 2145.801604][ T1167] dst_alloc+0x97/0x150 [ 2145.801604][ T1167] ip6_dst_alloc+0x23/0x90 [ 2145.801604][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2145.801604][ T1167] ip6_pol_route+0x56f/0x840 [ 2145.801604][ T1167] fib6_rule_lookup+0x334/0x630 [ 2145.801604][ T1167] ip6_route_output_flags+0x259/0x480 [ 2145.801604][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2145.801604][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2145.801604][ T1167] netlink_rcv_skb+0x130/0x360 [ 2145.801604][ T1167] netlink_unicast+0x449/0x710 [ 2145.801604][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2145.801604][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2145.801604][ T1167] ___sys_sendmsg+0xee/0x170 [ 2145.801604][ T1167] __sys_sendmsg+0xcd/0x170 [ 2145.801604][ T1167] do_syscall_64+0xc6/0x1e0 [ 2145.801604][ T1167] [ 2145.803835][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2145.803835][ T1167] netdev_get_by_index+0x5e/0x80 [ 2145.803835][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2145.803835][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2145.803835][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2145.803835][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2145.803835][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2145.803835][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2145.803835][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2145.803835][ T1167] addrconf_dad_begin+0x310/0x670 [ 2145.803835][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2145.803835][ T1167] process_one_work+0x84d/0x18a0 [ 2145.803835][ T1167] worker_thread+0x587/0xd30 [ 2145.803835][ T1167] kthread+0x28a/0x350 [ 2145.803835][ T1167] ret_from_fork+0x31/0x70 [ 2145.803835][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2145.803835][ T1167] [ 2145.806381][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2145.806381][ T1167] netdev_get_by_index+0x5e/0x80 [ 2145.806381][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2145.806381][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2145.806381][ T1167] ip6_route_add+0x1c/0x140 [ 2145.806381][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2145.806381][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2145.806381][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.806381][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.806381][ T1167] netlink_rcv_skb+0x130/0x360 [ 2145.806381][ T1167] netlink_unicast+0x449/0x710 [ 2145.806381][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2145.806381][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2145.806381][ T1167] ___sys_sendmsg+0xee/0x170 [ 2145.806381][ T1167] __sys_sendmsg+0xcd/0x170 [ 2145.806381][ T1167] do_syscall_64+0xc6/0x1e0 [ 2145.806381][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.806381][ T1167] [ 2145.808652][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2145.808652][ T1167] netdev_get_by_index+0x5e/0x80 [ 2145.808652][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2145.808652][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2145.808652][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2145.808652][ T1167] ipv6_add_addr+0x411/0x2000 [ 2145.808652][ T1167] inet6_addr_add+0x30e/0xa40 [ 2145.808652][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.808652][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.808652][ T1167] netlink_rcv_skb+0x130/0x360 [ 2145.808652][ T1167] netlink_unicast+0x449/0x710 [ 2145.808652][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2145.808652][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2145.808652][ T1167] ___sys_sendmsg+0xee/0x170 [ 2145.808652][ T1167] __sys_sendmsg+0xcd/0x170 [ 2145.808652][ T1167] do_syscall_64+0xc6/0x1e0 [ 2145.808652][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.808652][ T1167] [ 2145.810880][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2145.810880][ T1167] netdev_get_by_index+0x5e/0x80 [ 2145.810880][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2145.810880][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2145.810880][ T1167] ip6_route_add+0x1c/0x140 [ 2145.810880][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2145.810880][ T1167] addrconf_add_dev+0xe2/0x170 [ 2145.810880][ T1167] inet6_addr_add+0x12f/0xa40 [ 2145.810880][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.810880][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.810880][ T1167] netlink_rcv_skb+0x130/0x360 [ 2145.810880][ T1167] netlink_unicast+0x449/0x710 [ 2145.810880][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2145.810880][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2145.810880][ T1167] ___sys_sendmsg+0xee/0x170 [ 2145.810880][ T1167] __sys_sendmsg+0xcd/0x170 [ 2145.810880][ T1167] do_syscall_64+0xc6/0x1e0 [ 2145.810880][ T1167] [ 2145.813097][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2145.813097][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2145.813097][ T1167] ipv6_find_idev+0x102/0x170 [ 2145.813097][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2145.813097][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.813097][ T1167] netlink_rcv_skb+0x130/0x360 [ 2145.813097][ T1167] netlink_unicast+0x449/0x710 [ 2145.813097][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2145.813097][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2145.813097][ T1167] ___sys_sendmsg+0xee/0x170 [ 2145.813097][ T1167] __sys_sendmsg+0xcd/0x170 [ 2145.813097][ T1167] do_syscall_64+0xc6/0x1e0 [ 2145.813097][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.813097][ T1167] [ 2145.814812][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2145.814812][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2145.814812][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2145.814812][ T1167] ipv6_find_idev+0x102/0x170 [ 2145.814812][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2145.814812][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.814812][ T1167] netlink_rcv_skb+0x130/0x360 [ 2145.814812][ T1167] netlink_unicast+0x449/0x710 [ 2145.814812][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2145.814812][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2145.814812][ T1167] ___sys_sendmsg+0xee/0x170 [ 2145.814812][ T1167] __sys_sendmsg+0xcd/0x170 [ 2145.814812][ T1167] do_syscall_64+0xc6/0x1e0 [ 2145.814812][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.814812][ T1167] [ 2151.673143][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2151.673501][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2151.673501][ T10] netdev_get_by_index+0x5e/0x80 [ 2151.673501][ T10] fib6_nh_init+0x3d8/0x1580 [ 2151.673501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2151.673501][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2151.673501][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2151.673501][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2151.673501][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2151.673501][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2151.673501][ T10] addrconf_dad_begin+0x310/0x670 [ 2151.673501][ T10] addrconf_dad_work+0x10b/0xab0 [ 2151.673501][ T10] process_one_work+0x84d/0x18a0 [ 2151.673501][ T10] worker_thread+0x587/0xd30 [ 2151.673501][ T10] kthread+0x28a/0x350 [ 2151.673501][ T10] ret_from_fork+0x31/0x70 [ 2151.673501][ T10] ret_from_fork_asm+0x1a/0x30 [ 2151.673501][ T10] [ 2151.675432][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2151.675432][ T10] netdev_get_by_index+0x5e/0x80 [ 2151.675432][ T10] fib6_nh_init+0x3d8/0x1580 [ 2151.675432][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2151.675432][ T10] ip6_route_add+0x1c/0x140 [ 2151.675432][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2151.675432][ T10] inet6_addr_add+0x4f8/0xa40 [ 2151.675432][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2151.675432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2151.675432][ T10] netlink_rcv_skb+0x130/0x360 [ 2151.675432][ T10] netlink_unicast+0x449/0x710 [ 2151.675432][ T10] netlink_sendmsg+0x723/0xbe0 [ 2151.675432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2151.675432][ T10] ___sys_sendmsg+0xee/0x170 [ 2151.675432][ T10] __sys_sendmsg+0xcd/0x170 [ 2151.675432][ T10] do_syscall_64+0xc6/0x1e0 [ 2151.675432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2151.675432][ T10] [ 2151.677416][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2151.677416][ T10] netdev_get_by_index+0x5e/0x80 [ 2151.677416][ T10] fib6_nh_init+0x3d8/0x1580 [ 2151.677416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2151.677416][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2151.677416][ T10] ipv6_add_addr+0x411/0x2000 [ 2151.677416][ T10] inet6_addr_add+0x30e/0xa40 [ 2151.677416][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2151.677416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2151.677416][ T10] netlink_rcv_skb+0x130/0x360 [ 2151.677416][ T10] netlink_unicast+0x449/0x710 [ 2151.677416][ T10] netlink_sendmsg+0x723/0xbe0 [ 2151.677416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2151.677416][ T10] ___sys_sendmsg+0xee/0x170 [ 2151.677416][ T10] __sys_sendmsg+0xcd/0x170 [ 2151.677416][ T10] do_syscall_64+0xc6/0x1e0 [ 2151.677416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2151.677416][ T10] [ 2151.679404][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2151.679404][ T10] netdev_get_by_index+0x5e/0x80 [ 2151.679404][ T10] fib6_nh_init+0x3d8/0x1580 [ 2151.679404][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2151.679404][ T10] ip6_route_add+0x1c/0x140 [ 2151.679404][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2151.679404][ T10] addrconf_add_dev+0xe2/0x170 [ 2151.679404][ T10] inet6_addr_add+0x12f/0xa40 [ 2151.679404][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2151.679404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2151.679404][ T10] netlink_rcv_skb+0x130/0x360 [ 2151.679404][ T10] netlink_unicast+0x449/0x710 [ 2151.679404][ T10] netlink_sendmsg+0x723/0xbe0 [ 2151.679404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2151.679404][ T10] ___sys_sendmsg+0xee/0x170 [ 2151.679404][ T10] __sys_sendmsg+0xcd/0x170 [ 2151.679404][ T10] do_syscall_64+0xc6/0x1e0 [ 2151.679404][ T10] [ 2151.681482][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2151.681482][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2151.681482][ T10] ipv6_find_idev+0x102/0x170 [ 2151.681482][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2151.681482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2151.681482][ T10] netlink_rcv_skb+0x130/0x360 [ 2151.681482][ T10] netlink_unicast+0x449/0x710 [ 2151.681482][ T10] netlink_sendmsg+0x723/0xbe0 [ 2151.681482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2151.681482][ T10] ___sys_sendmsg+0xee/0x170 [ 2151.681482][ T10] __sys_sendmsg+0xcd/0x170 [ 2151.681482][ T10] do_syscall_64+0xc6/0x1e0 [ 2151.681482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2151.681482][ T10] [ 2151.683016][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2151.683016][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2151.683016][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2151.683016][ T10] ipv6_find_idev+0x102/0x170 [ 2151.683016][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2151.683016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2151.683016][ T10] netlink_rcv_skb+0x130/0x360 [ 2151.683016][ T10] netlink_unicast+0x449/0x710 [ 2151.683016][ T10] netlink_sendmsg+0x723/0xbe0 [ 2151.683016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2151.683016][ T10] ___sys_sendmsg+0xee/0x170 [ 2151.683016][ T10] __sys_sendmsg+0xcd/0x170 [ 2151.683016][ T10] do_syscall_64+0xc6/0x1e0 [ 2151.683016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2151.683016][ T10] [ 2151.684798][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2151.685043][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2151.685043][ T10] netdev_get_by_index+0x5e/0x80 [ 2151.685043][ T10] fib6_nh_init+0x3d8/0x1580 [ 2151.685043][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2151.685043][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2151.685043][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2151.685043][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2151.685043][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2151.685043][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2151.685043][ T10] addrconf_dad_begin+0x310/0x670 [ 2151.685043][ T10] addrconf_dad_work+0x10b/0xab0 [ 2151.685043][ T10] process_one_work+0x84d/0x18a0 [ 2151.685043][ T10] worker_thread+0x587/0xd30 [ 2151.685043][ T10] kthread+0x28a/0x350 [ 2151.685043][ T10] ret_from_fork+0x31/0x70 [ 2151.685043][ T10] ret_from_fork_asm+0x1a/0x30 [ 2151.685043][ T10] [ 2151.686927][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2151.686927][ T10] netdev_get_by_index+0x5e/0x80 [ 2151.686927][ T10] fib6_nh_init+0x3d8/0x1580 [ 2151.686927][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2151.686927][ T10] ip6_route_add+0x1c/0x140 [ 2151.686927][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2151.686927][ T10] inet6_addr_add+0x4f8/0xa40 [ 2151.686927][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2151.686927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2151.686927][ T10] netlink_rcv_skb+0x130/0x360 [ 2151.686927][ T10] netlink_unicast+0x449/0x710 [ 2151.686927][ T10] netlink_sendmsg+0x723/0xbe0 [ 2151.686927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2151.686927][ T10] ___sys_sendmsg+0xee/0x170 [ 2151.686927][ T10] __sys_sendmsg+0xcd/0x170 [ 2151.686927][ T10] do_syscall_64+0xc6/0x1e0 [ 2151.686927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2151.686927][ T10] [ 2151.688915][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2151.688915][ T10] netdev_get_by_index+0x5e/0x80 [ 2151.688915][ T10] fib6_nh_init+0x3d8/0x1580 [ 2151.688915][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2151.688915][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2151.688915][ T10] ipv6_add_addr+0x411/0x2000 [ 2151.688915][ T10] inet6_addr_add+0x30e/0xa40 [ 2151.688915][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2151.688915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2151.688915][ T10] netlink_rcv_skb+0x130/0x360 [ 2151.688915][ T10] netlink_unicast+0x449/0x710 [ 2151.688915][ T10] netlink_sendmsg+0x723/0xbe0 [ 2151.688915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2151.688915][ T10] ___sys_sendmsg+0xee/0x170 [ 2151.688915][ T10] __sys_sendmsg+0xcd/0x170 [ 2151.688915][ T10] do_syscall_64+0xc6/0x1e0 [ 2151.688915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2151.688915][ T10] [ 2151.690893][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2151.690893][ T10] netdev_get_by_index+0x5e/0x80 [ 2151.690893][ T10] fib6_nh_init+0x3d8/0x1580 [ 2151.690893][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2151.690893][ T10] ip6_route_add+0x1c/0x140 [ 2151.690893][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2151.690893][ T10] addrconf_add_dev+0xe2/0x170 [ 2151.690893][ T10] inet6_addr_add+0x12f/0xa40 [ 2151.690893][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2151.690893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2151.690893][ T10] netlink_rcv_skb+0x130/0x360 [ 2151.690893][ T10] netlink_unicast+0x449/0x710 [ 2151.690893][ T10] netlink_sendmsg+0x723/0xbe0 [ 2151.690893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2151.690893][ T10] ___sys_sendmsg+0xee/0x170 [ 2151.690893][ T10] __sys_sendmsg+0xcd/0x170 [ 2151.690893][ T10] do_syscall_64+0xc6/0x1e0 [ 2151.690893][ T10] [ 2151.692837][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2151.692837][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2151.692837][ T10] ipv6_find_idev+0x102/0x170 [ 2151.692837][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2151.692837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2151.692837][ T10] netlink_rcv_skb+0x130/0x360 [ 2151.692837][ T10] netlink_unicast+0x449/0x710 [ 2151.692837][ T10] netlink_sendmsg+0x723/0xbe0 [ 2151.692837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2151.692837][ T10] ___sys_sendmsg+0xee/0x170 [ 2151.692837][ T10] __sys_sendmsg+0xcd/0x170 [ 2151.692837][ T10] do_syscall_64+0xc6/0x1e0 [ 2151.692837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2151.692837][ T10] [ 2151.694360][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2151.694360][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2151.694360][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2151.694360][ T10] ipv6_find_idev+0x102/0x170 [ 2151.694360][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2151.694360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2151.694360][ T10] netlink_rcv_skb+0x130/0x360 [ 2151.694360][ T10] netlink_unicast+0x449/0x710 [ 2151.694360][ T10] netlink_sendmsg+0x723/0xbe0 [ 2151.694360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2151.694360][ T10] ___sys_sendmsg+0xee/0x170 [ 2151.694360][ T10] __sys_sendmsg+0xcd/0x170 [ 2151.694360][ T10] do_syscall_64+0xc6/0x1e0 [ 2151.694360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2151.694360][ T10] [ 2151.696036][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2151.696285][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2151.696285][ T10] netdev_get_by_index+0x5e/0x80 [ 2151.696285][ T10] fib6_nh_init+0x3d8/0x1580 [ 2151.696285][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2151.696285][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2151.696285][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2151.696285][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2151.696285][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2151.696285][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2151.696285][ T10] addrconf_dad_begin+0x310/0x670 [ 2151.696285][ T10] addrconf_dad_work+0x10b/0xab0 [ 2151.696285][ T10] process_one_work+0x84d/0x18a0 [ 2151.696285][ T10] worker_thread+0x587/0xd30 [ 2151.696285][ T10] kthread+0x28a/0x350 [ 2151.696285][ T10] ret_from_fork+0x31/0x70 [ 2151.696285][ T10] ret_from_fork_asm+0x1a/0x30 [ 2151.696285][ T10] [ 2151.698183][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2151.698183][ T10] netdev_get_by_index+0x5e/0x80 [ 2151.698183][ T10] fib6_nh_init+0x3d8/0x1580 [ 2151.698183][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2151.698183][ T10] ip6_route_add+0x1c/0x140 [ 2151.698183][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2151.698183][ T10] inet6_addr_add+0x4f8/0xa40 [ 2151.698183][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2151.698183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2151.698183][ T10] netlink_rcv_skb+0x130/0x360 [ 2151.698183][ T10] netlink_unicast+0x449/0x710 [ 2151.698183][ T10] netlink_sendmsg+0x723/0xbe0 [ 2151.698183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2151.698183][ T10] ___sys_sendmsg+0xee/0x170 [ 2151.698183][ T10] __sys_sendmsg+0xcd/0x170 [ 2151.698183][ T10] do_syscall_64+0xc6/0x1e0 [ 2151.698183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2151.698183][ T10] [ 2151.700371][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2151.700371][ T10] netdev_get_by_index+0x5e/0x80 [ 2151.700371][ T10] fib6_nh_init+0x3d8/0x1580 [ 2151.700371][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2151.700371][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2151.700371][ T10] ipv6_add_addr+0x411/0x2000 [ 2151.700371][ T10] inet6_addr_add+0x30e/0xa40 [ 2151.700371][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2151.700371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2151.700371][ T10] netlink_rcv_skb+0x130/0x360 [ 2151.700371][ T10] netlink_unicast+0x449/0x710 [ 2151.700371][ T10] netlink_sendmsg+0x723/0xbe0 [ 2151.700371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2151.700371][ T10] ___sys_sendmsg+0xee/0x170 [ 2151.700371][ T10] __sys_sendmsg+0xcd/0x170 [ 2151.700371][ T10] do_syscall_64+0xc6/0x1e0 [ 2151.700371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2151.700371][ T10] [ 2151.702594][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2151.702594][ T10] netdev_get_by_index+0x5e/0x80 [ 2151.702594][ T10] fib6_nh_init+0x3d8/0x1580 [ 2151.702594][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2151.702594][ T10] ip6_route_add+0x1c/0x140 [ 2151.702594][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2151.702594][ T10] addrconf_add_dev+0xe2/0x170 [ 2151.702594][ T10] inet6_addr_add+0x12f/0xa40 [ 2151.702594][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2151.702594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2151.702594][ T10] netlink_rcv_skb+0x130/0x360 [ 2151.702594][ T10] netlink_unicast+0x449/0x710 [ 2151.702594][ T10] netlink_sendmsg+0x723/0xbe0 [ 2151.702594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2151.702594][ T10] ___sys_sendmsg+0xee/0x170 [ 2151.702594][ T10] __sys_sendmsg+0xcd/0x170 [ 2151.702594][ T10] do_syscall_64+0xc6/0x1e0 [ 2151.702594][ T10] [ 2151.706161][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2151.706161][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2151.706161][ T10] ipv6_find_idev+0x102/0x170 [ 2151.706161][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2151.706161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2151.706161][ T10] netlink_rcv_skb+0x130/0x360 [ 2151.706161][ T10] netlink_unicast+0x449/0x710 [ 2151.706161][ T10] netlink_sendmsg+0x723/0xbe0 [ 2151.706161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2151.706161][ T10] ___sys_sendmsg+0xee/0x170 [ 2151.706161][ T10] __sys_sendmsg+0xcd/0x170 [ 2151.706161][ T10] do_syscall_64+0xc6/0x1e0 [ 2151.706161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2151.706161][ T10] [ 2151.708914][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2151.708914][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2151.708914][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2151.708914][ T10] ipv6_find_idev+0x102/0x170 [ 2151.708914][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2151.708914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2151.708914][ T10] netlink_rcv_skb+0x130/0x360 [ 2151.708914][ T10] netlink_unicast+0x449/0x710 [ 2151.708914][ T10] netlink_sendmsg+0x723/0xbe0 [ 2151.708914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2151.708914][ T10] ___sys_sendmsg+0xee/0x170 [ 2151.708914][ T10] __sys_sendmsg+0xcd/0x170 [ 2151.708914][ T10] do_syscall_64+0xc6/0x1e0 [ 2151.708914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2151.708914][ T10] [ 2151.711132][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2151.711394][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2151.711394][ T10] netdev_get_by_index+0x5e/0x80 [ 2151.711394][ T10] fib6_nh_init+0x3d8/0x1580 [ 2151.711394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2151.711394][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2151.711394][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2151.711394][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2151.711394][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2151.711394][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2151.711394][ T10] addrconf_dad_begin+0x310/0x670 [ 2151.711394][ T10] addrconf_dad_work+0x10b/0xab0 [ 2151.711394][ T10] process_one_work+0x84d/0x18a0 [ 2151.711394][ T10] worker_thread+0x587/0xd30 [ 2151.711394][ T10] kthread+0x28a/0x350 [ 2151.711394][ T10] ret_from_fork+0x31/0x70 [ 2151.711394][ T10] ret_from_fork_asm+0x1a/0x30 [ 2151.711394][ T10] [ 2151.713626][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2151.713626][ T10] netdev_get_by_index+0x5e/0x80 [ 2151.713626][ T10] fib6_nh_init+0x3d8/0x1580 [ 2151.713626][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2151.713626][ T10] ip6_route_add+0x1c/0x140 [ 2151.713626][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2151.713626][ T10] inet6_addr_add+0x4f8/0xa40 [ 2151.713626][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2151.713626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2151.713626][ T10] netlink_rcv_skb+0x130/0x360 [ 2151.713626][ T10] netlink_unicast+0x449/0x710 [ 2151.713626][ T10] netlink_sendmsg+0x723/0xbe0 [ 2151.713626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2151.713626][ T10] ___sys_sendmsg+0xee/0x170 [ 2151.713626][ T10] __sys_sendmsg+0xcd/0x170 [ 2151.713626][ T10] do_syscall_64+0xc6/0x1e0 [ 2151.713626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2151.713626][ T10] [ 2151.715943][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2151.715943][ T10] netdev_get_by_index+0x5e/0x80 [ 2151.715943][ T10] fib6_nh_init+0x3d8/0x1580 [ 2151.715943][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2151.715943][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2151.715943][ T10] ipv6_add_addr+0x411/0x2000 [ 2151.715943][ T10] inet6_addr_add+0x30e/0xa40 [ 2151.715943][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2151.715943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2151.715943][ T10] netlink_rcv_skb+0x130/0x360 [ 2151.715943][ T10] netlink_unicast+0x449/0x710 [ 2151.715943][ T10] netlink_sendmsg+0x723/0xbe0 [ 2151.715943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2151.715943][ T10] ___sys_sendmsg+0xee/0x170 [ 2151.715943][ T10] __sys_sendmsg+0xcd/0x170 [ 2151.715943][ T10] do_syscall_64+0xc6/0x1e0 [ 2151.715943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2151.715943][ T10] [ 2151.718340][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2151.718340][ T10] netdev_get_by_index+0x5e/0x80 [ 2151.718340][ T10] fib6_nh_init+0x3d8/0x1580 [ 2151.718340][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2151.718340][ T10] ip6_route_add+0x1c/0x140 [ 2151.718340][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2151.718340][ T10] addrconf_add_dev+0xe2/0x170 [ 2151.718340][ T10] inet6_addr_add+0x12f/0xa40 [ 2151.718340][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2151.718340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2151.718340][ T10] netlink_rcv_skb+0x130/0x360 [ 2151.718340][ T10] netlink_unicast+0x449/0x710 [ 2151.718340][ T10] netlink_sendmsg+0x723/0xbe0 [ 2151.718340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2151.718340][ T10] ___sys_sendmsg+0xee/0x170 [ 2151.718340][ T10] __sys_sendmsg+0xcd/0x170 [ 2151.718340][ T10] do_syscall_64+0xc6/0x1e0 [ 2151.718340][ T10] [ 2151.720403][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2151.720403][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2151.720403][ T10] ipv6_find_idev+0x102/0x170 [ 2151.720403][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2151.720403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2151.720403][ T10] netlink_rcv_skb+0x130/0x360 [ 2151.720403][ T10] netlink_unicast+0x449/0x710 [ 2151.720403][ T10] netlink_sendmsg+0x723/0xbe0 [ 2151.720403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2151.720403][ T10] ___sys_sendmsg+0xee/0x170 [ 2151.720403][ T10] __sys_sendmsg+0xcd/0x170 [ 2151.720403][ T10] do_syscall_64+0xc6/0x1e0 [ 2151.720403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2151.720403][ T10] [ 2151.722060][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2151.722060][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2151.722060][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2151.722060][ T10] ipv6_find_idev+0x102/0x170 [ 2151.722060][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2151.722060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2151.722060][ T10] netlink_rcv_skb+0x130/0x360 [ 2151.722060][ T10] netlink_unicast+0x449/0x710 [ 2151.722060][ T10] netlink_sendmsg+0x723/0xbe0 [ 2151.722060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2151.722060][ T10] ___sys_sendmsg+0xee/0x170 [ 2151.722060][ T10] __sys_sendmsg+0xcd/0x170 [ 2151.722060][ T10] do_syscall_64+0xc6/0x1e0 [ 2151.722060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2151.722060][ T10] [ 2155.833122][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2155.833539][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2155.833539][ T1167] dst_init+0x84/0x4a0 [ 2155.833539][ T1167] dst_alloc+0x97/0x150 [ 2155.833539][ T1167] ip6_dst_alloc+0x23/0x90 [ 2155.833539][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2155.833539][ T1167] ip6_pol_route+0x56f/0x840 [ 2155.833539][ T1167] fib6_rule_lookup+0x334/0x630 [ 2155.833539][ T1167] ip6_route_output_flags+0x259/0x480 [ 2155.833539][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2155.833539][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2155.833539][ T1167] netlink_rcv_skb+0x130/0x360 [ 2155.833539][ T1167] netlink_unicast+0x449/0x710 [ 2155.833539][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2155.833539][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2155.833539][ T1167] ___sys_sendmsg+0xee/0x170 [ 2155.833539][ T1167] __sys_sendmsg+0xcd/0x170 [ 2155.833539][ T1167] do_syscall_64+0xc6/0x1e0 [ 2155.833539][ T1167] [ 2155.835781][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2155.835781][ T1167] netdev_get_by_index+0x5e/0x80 [ 2155.835781][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2155.835781][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2155.835781][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2155.835781][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2155.835781][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2155.835781][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2155.835781][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2155.835781][ T1167] addrconf_dad_begin+0x310/0x670 [ 2155.835781][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2155.835781][ T1167] process_one_work+0x84d/0x18a0 [ 2155.835781][ T1167] worker_thread+0x587/0xd30 [ 2155.835781][ T1167] kthread+0x28a/0x350 [ 2155.835781][ T1167] ret_from_fork+0x31/0x70 [ 2155.835781][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2155.835781][ T1167] [ 2155.837972][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2155.837972][ T1167] netdev_get_by_index+0x5e/0x80 [ 2155.837972][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2155.837972][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2155.837972][ T1167] ip6_route_add+0x1c/0x140 [ 2155.837972][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2155.837972][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2155.837972][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2155.837972][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.837972][ T1167] netlink_rcv_skb+0x130/0x360 [ 2155.837972][ T1167] netlink_unicast+0x449/0x710 [ 2155.837972][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2155.837972][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2155.837972][ T1167] ___sys_sendmsg+0xee/0x170 [ 2155.837972][ T1167] __sys_sendmsg+0xcd/0x170 [ 2155.837972][ T1167] do_syscall_64+0xc6/0x1e0 [ 2155.837972][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.837972][ T1167] [ 2155.840263][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2155.840263][ T1167] netdev_get_by_index+0x5e/0x80 [ 2155.840263][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2155.840263][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2155.840263][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2155.840263][ T1167] ipv6_add_addr+0x411/0x2000 [ 2155.840263][ T1167] inet6_addr_add+0x30e/0xa40 [ 2155.840263][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2155.840263][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.840263][ T1167] netlink_rcv_skb+0x130/0x360 [ 2155.840263][ T1167] netlink_unicast+0x449/0x710 [ 2155.840263][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2155.840263][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2155.840263][ T1167] ___sys_sendmsg+0xee/0x170 [ 2155.840263][ T1167] __sys_sendmsg+0xcd/0x170 [ 2155.840263][ T1167] do_syscall_64+0xc6/0x1e0 [ 2155.840263][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.840263][ T1167] [ 2155.842497][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2155.842497][ T1167] netdev_get_by_index+0x5e/0x80 [ 2155.842497][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2155.842497][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2155.842497][ T1167] ip6_route_add+0x1c/0x140 [ 2155.842497][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2155.842497][ T1167] addrconf_add_dev+0xe2/0x170 [ 2155.842497][ T1167] inet6_addr_add+0x12f/0xa40 [ 2155.842497][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2155.842497][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.842497][ T1167] netlink_rcv_skb+0x130/0x360 [ 2155.842497][ T1167] netlink_unicast+0x449/0x710 [ 2155.842497][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2155.842497][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2155.842497][ T1167] ___sys_sendmsg+0xee/0x170 [ 2155.842497][ T1167] __sys_sendmsg+0xcd/0x170 [ 2155.842497][ T1167] do_syscall_64+0xc6/0x1e0 [ 2155.842497][ T1167] [ 2155.844710][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2155.844710][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2155.844710][ T1167] ipv6_find_idev+0x102/0x170 [ 2155.844710][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2155.844710][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.844710][ T1167] netlink_rcv_skb+0x130/0x360 [ 2155.844710][ T1167] netlink_unicast+0x449/0x710 [ 2155.844710][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2155.844710][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2155.844710][ T1167] ___sys_sendmsg+0xee/0x170 [ 2155.844710][ T1167] __sys_sendmsg+0xcd/0x170 [ 2155.844710][ T1167] do_syscall_64+0xc6/0x1e0 [ 2155.844710][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.844710][ T1167] [ 2155.846440][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2155.846440][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2155.846440][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2155.846440][ T1167] ipv6_find_idev+0x102/0x170 [ 2155.846440][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2155.846440][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.846440][ T1167] netlink_rcv_skb+0x130/0x360 [ 2155.846440][ T1167] netlink_unicast+0x449/0x710 [ 2155.846440][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2155.846440][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2155.846440][ T1167] ___sys_sendmsg+0xee/0x170 [ 2155.846440][ T1167] __sys_sendmsg+0xcd/0x170 [ 2155.846440][ T1167] do_syscall_64+0xc6/0x1e0 [ 2155.846440][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.846440][ T1167] [ 2161.745162][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2161.745527][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2161.745527][ T10] netdev_get_by_index+0x5e/0x80 [ 2161.745527][ T10] fib6_nh_init+0x3d8/0x1580 [ 2161.745527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2161.745527][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2161.745527][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2161.745527][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2161.745527][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2161.745527][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2161.745527][ T10] addrconf_dad_begin+0x310/0x670 [ 2161.745527][ T10] addrconf_dad_work+0x10b/0xab0 [ 2161.745527][ T10] process_one_work+0x84d/0x18a0 [ 2161.745527][ T10] worker_thread+0x587/0xd30 [ 2161.745527][ T10] kthread+0x28a/0x350 [ 2161.745527][ T10] ret_from_fork+0x31/0x70 [ 2161.745527][ T10] ret_from_fork_asm+0x1a/0x30 [ 2161.745527][ T10] [ 2161.747460][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2161.747460][ T10] netdev_get_by_index+0x5e/0x80 [ 2161.747460][ T10] fib6_nh_init+0x3d8/0x1580 [ 2161.747460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2161.747460][ T10] ip6_route_add+0x1c/0x140 [ 2161.747460][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2161.747460][ T10] inet6_addr_add+0x4f8/0xa40 [ 2161.747460][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2161.747460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2161.747460][ T10] netlink_rcv_skb+0x130/0x360 [ 2161.747460][ T10] netlink_unicast+0x449/0x710 [ 2161.747460][ T10] netlink_sendmsg+0x723/0xbe0 [ 2161.747460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2161.747460][ T10] ___sys_sendmsg+0xee/0x170 [ 2161.747460][ T10] __sys_sendmsg+0xcd/0x170 [ 2161.747460][ T10] do_syscall_64+0xc6/0x1e0 [ 2161.747460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2161.747460][ T10] [ 2161.749916][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2161.749916][ T10] netdev_get_by_index+0x5e/0x80 [ 2161.749916][ T10] fib6_nh_init+0x3d8/0x1580 [ 2161.749916][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2161.749916][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2161.749916][ T10] ipv6_add_addr+0x411/0x2000 [ 2161.749916][ T10] inet6_addr_add+0x30e/0xa40 [ 2161.749916][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2161.749916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2161.749916][ T10] netlink_rcv_skb+0x130/0x360 [ 2161.749916][ T10] netlink_unicast+0x449/0x710 [ 2161.749916][ T10] netlink_sendmsg+0x723/0xbe0 [ 2161.749916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2161.749916][ T10] ___sys_sendmsg+0xee/0x170 [ 2161.749916][ T10] __sys_sendmsg+0xcd/0x170 [ 2161.749916][ T10] do_syscall_64+0xc6/0x1e0 [ 2161.749916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2161.749916][ T10] [ 2161.751906][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2161.751906][ T10] netdev_get_by_index+0x5e/0x80 [ 2161.751906][ T10] fib6_nh_init+0x3d8/0x1580 [ 2161.751906][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2161.751906][ T10] ip6_route_add+0x1c/0x140 [ 2161.751906][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2161.751906][ T10] addrconf_add_dev+0xe2/0x170 [ 2161.751906][ T10] inet6_addr_add+0x12f/0xa40 [ 2161.751906][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2161.751906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2161.751906][ T10] netlink_rcv_skb+0x130/0x360 [ 2161.751906][ T10] netlink_unicast+0x449/0x710 [ 2161.751906][ T10] netlink_sendmsg+0x723/0xbe0 [ 2161.751906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2161.751906][ T10] ___sys_sendmsg+0xee/0x170 [ 2161.751906][ T10] __sys_sendmsg+0xcd/0x170 [ 2161.751906][ T10] do_syscall_64+0xc6/0x1e0 [ 2161.751906][ T10] [ 2161.753857][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2161.753857][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2161.753857][ T10] ipv6_find_idev+0x102/0x170 [ 2161.753857][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2161.753857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2161.753857][ T10] netlink_rcv_skb+0x130/0x360 [ 2161.753857][ T10] netlink_unicast+0x449/0x710 [ 2161.753857][ T10] netlink_sendmsg+0x723/0xbe0 [ 2161.753857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2161.753857][ T10] ___sys_sendmsg+0xee/0x170 [ 2161.753857][ T10] __sys_sendmsg+0xcd/0x170 [ 2161.753857][ T10] do_syscall_64+0xc6/0x1e0 [ 2161.753857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2161.753857][ T10] [ 2161.755382][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2161.755382][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2161.755382][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2161.755382][ T10] ipv6_find_idev+0x102/0x170 [ 2161.755382][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2161.755382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2161.755382][ T10] netlink_rcv_skb+0x130/0x360 [ 2161.755382][ T10] netlink_unicast+0x449/0x710 [ 2161.755382][ T10] netlink_sendmsg+0x723/0xbe0 [ 2161.755382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2161.755382][ T10] ___sys_sendmsg+0xee/0x170 [ 2161.755382][ T10] __sys_sendmsg+0xcd/0x170 [ 2161.755382][ T10] do_syscall_64+0xc6/0x1e0 [ 2161.755382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2161.755382][ T10] [ 2161.757078][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2161.757322][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2161.757322][ T10] netdev_get_by_index+0x5e/0x80 [ 2161.757322][ T10] fib6_nh_init+0x3d8/0x1580 [ 2161.757322][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2161.757322][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2161.757322][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2161.757322][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2161.757322][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2161.757322][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2161.757322][ T10] addrconf_dad_begin+0x310/0x670 [ 2161.757322][ T10] addrconf_dad_work+0x10b/0xab0 [ 2161.757322][ T10] process_one_work+0x84d/0x18a0 [ 2161.757322][ T10] worker_thread+0x587/0xd30 [ 2161.757322][ T10] kthread+0x28a/0x350 [ 2161.757322][ T10] ret_from_fork+0x31/0x70 [ 2161.757322][ T10] ret_from_fork_asm+0x1a/0x30 [ 2161.757322][ T10] [ 2161.759243][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2161.759243][ T10] netdev_get_by_index+0x5e/0x80 [ 2161.759243][ T10] fib6_nh_init+0x3d8/0x1580 [ 2161.759243][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2161.759243][ T10] ip6_route_add+0x1c/0x140 [ 2161.759243][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2161.759243][ T10] inet6_addr_add+0x4f8/0xa40 [ 2161.759243][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2161.759243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2161.759243][ T10] netlink_rcv_skb+0x130/0x360 [ 2161.759243][ T10] netlink_unicast+0x449/0x710 [ 2161.759243][ T10] netlink_sendmsg+0x723/0xbe0 [ 2161.759243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2161.759243][ T10] ___sys_sendmsg+0xee/0x170 [ 2161.759243][ T10] __sys_sendmsg+0xcd/0x170 [ 2161.759243][ T10] do_syscall_64+0xc6/0x1e0 [ 2161.759243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2161.759243][ T10] [ 2161.761214][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2161.761214][ T10] netdev_get_by_index+0x5e/0x80 [ 2161.761214][ T10] fib6_nh_init+0x3d8/0x1580 [ 2161.761214][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2161.761214][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2161.761214][ T10] ipv6_add_addr+0x411/0x2000 [ 2161.761214][ T10] inet6_addr_add+0x30e/0xa40 [ 2161.761214][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2161.761214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2161.761214][ T10] netlink_rcv_skb+0x130/0x360 [ 2161.761214][ T10] netlink_unicast+0x449/0x710 [ 2161.761214][ T10] netlink_sendmsg+0x723/0xbe0 [ 2161.761214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2161.761214][ T10] ___sys_sendmsg+0xee/0x170 [ 2161.761214][ T10] __sys_sendmsg+0xcd/0x170 [ 2161.761214][ T10] do_syscall_64+0xc6/0x1e0 [ 2161.761214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2161.761214][ T10] [ 2161.763193][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2161.763193][ T10] netdev_get_by_index+0x5e/0x80 [ 2161.763193][ T10] fib6_nh_init+0x3d8/0x1580 [ 2161.763193][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2161.763193][ T10] ip6_route_add+0x1c/0x140 [ 2161.763193][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2161.763193][ T10] addrconf_add_dev+0xe2/0x170 [ 2161.763193][ T10] inet6_addr_add+0x12f/0xa40 [ 2161.763193][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2161.763193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2161.763193][ T10] netlink_rcv_skb+0x130/0x360 [ 2161.763193][ T10] netlink_unicast+0x449/0x710 [ 2161.763193][ T10] netlink_sendmsg+0x723/0xbe0 [ 2161.763193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2161.763193][ T10] ___sys_sendmsg+0xee/0x170 [ 2161.763193][ T10] __sys_sendmsg+0xcd/0x170 [ 2161.763193][ T10] do_syscall_64+0xc6/0x1e0 [ 2161.763193][ T10] [ 2161.765152][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2161.765152][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2161.765152][ T10] ipv6_find_idev+0x102/0x170 [ 2161.765152][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2161.765152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2161.765152][ T10] netlink_rcv_skb+0x130/0x360 [ 2161.765152][ T10] netlink_unicast+0x449/0x710 [ 2161.765152][ T10] netlink_sendmsg+0x723/0xbe0 [ 2161.765152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2161.765152][ T10] ___sys_sendmsg+0xee/0x170 [ 2161.765152][ T10] __sys_sendmsg+0xcd/0x170 [ 2161.765152][ T10] do_syscall_64+0xc6/0x1e0 [ 2161.765152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2161.765152][ T10] [ 2161.766682][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2161.766682][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2161.766682][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2161.766682][ T10] ipv6_find_idev+0x102/0x170 [ 2161.766682][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2161.766682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2161.766682][ T10] netlink_rcv_skb+0x130/0x360 [ 2161.766682][ T10] netlink_unicast+0x449/0x710 [ 2161.766682][ T10] netlink_sendmsg+0x723/0xbe0 [ 2161.766682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2161.766682][ T10] ___sys_sendmsg+0xee/0x170 [ 2161.766682][ T10] __sys_sendmsg+0xcd/0x170 [ 2161.766682][ T10] do_syscall_64+0xc6/0x1e0 [ 2161.766682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2161.766682][ T10] [ 2161.768376][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2161.768622][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2161.768622][ T10] netdev_get_by_index+0x5e/0x80 [ 2161.768622][ T10] fib6_nh_init+0x3d8/0x1580 [ 2161.768622][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2161.768622][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2161.768622][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2161.768622][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2161.768622][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2161.768622][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2161.768622][ T10] addrconf_dad_begin+0x310/0x670 [ 2161.768622][ T10] addrconf_dad_work+0x10b/0xab0 [ 2161.768622][ T10] process_one_work+0x84d/0x18a0 [ 2161.768622][ T10] worker_thread+0x587/0xd30 [ 2161.768622][ T10] kthread+0x28a/0x350 [ 2161.768622][ T10] ret_from_fork+0x31/0x70 [ 2161.768622][ T10] ret_from_fork_asm+0x1a/0x30 [ 2161.768622][ T10] [ 2161.771063][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2161.771063][ T10] netdev_get_by_index+0x5e/0x80 [ 2161.771063][ T10] fib6_nh_init+0x3d8/0x1580 [ 2161.771063][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2161.771063][ T10] ip6_route_add+0x1c/0x140 [ 2161.771063][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2161.771063][ T10] inet6_addr_add+0x4f8/0xa40 [ 2161.771063][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2161.771063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2161.771063][ T10] netlink_rcv_skb+0x130/0x360 [ 2161.771063][ T10] netlink_unicast+0x449/0x710 [ 2161.771063][ T10] netlink_sendmsg+0x723/0xbe0 [ 2161.771063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2161.771063][ T10] ___sys_sendmsg+0xee/0x170 [ 2161.771063][ T10] __sys_sendmsg+0xcd/0x170 [ 2161.771063][ T10] do_syscall_64+0xc6/0x1e0 [ 2161.771063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2161.771063][ T10] [ 2161.773239][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2161.773239][ T10] netdev_get_by_index+0x5e/0x80 [ 2161.773239][ T10] fib6_nh_init+0x3d8/0x1580 [ 2161.773239][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2161.773239][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2161.773239][ T10] ipv6_add_addr+0x411/0x2000 [ 2161.773239][ T10] inet6_addr_add+0x30e/0xa40 [ 2161.773239][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2161.773239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2161.773239][ T10] netlink_rcv_skb+0x130/0x360 [ 2161.773239][ T10] netlink_unicast+0x449/0x710 [ 2161.773239][ T10] netlink_sendmsg+0x723/0xbe0 [ 2161.773239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2161.773239][ T10] ___sys_sendmsg+0xee/0x170 [ 2161.773239][ T10] __sys_sendmsg+0xcd/0x170 [ 2161.773239][ T10] do_syscall_64+0xc6/0x1e0 [ 2161.773239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2161.773239][ T10] [ 2161.775922][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2161.775922][ T10] netdev_get_by_index+0x5e/0x80 [ 2161.775922][ T10] fib6_nh_init+0x3d8/0x1580 [ 2161.775922][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2161.775922][ T10] ip6_route_add+0x1c/0x140 [ 2161.775922][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2161.775922][ T10] addrconf_add_dev+0xe2/0x170 [ 2161.775922][ T10] inet6_addr_add+0x12f/0xa40 [ 2161.775922][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2161.775922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2161.775922][ T10] netlink_rcv_skb+0x130/0x360 [ 2161.775922][ T10] netlink_unicast+0x449/0x710 [ 2161.775922][ T10] netlink_sendmsg+0x723/0xbe0 [ 2161.775922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2161.775922][ T10] ___sys_sendmsg+0xee/0x170 [ 2161.775922][ T10] __sys_sendmsg+0xcd/0x170 [ 2161.775922][ T10] do_syscall_64+0xc6/0x1e0 [ 2161.775922][ T10] [ 2161.778120][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2161.778120][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2161.778120][ T10] ipv6_find_idev+0x102/0x170 [ 2161.778120][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2161.778120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2161.778120][ T10] netlink_rcv_skb+0x130/0x360 [ 2161.778120][ T10] netlink_unicast+0x449/0x710 [ 2161.778120][ T10] netlink_sendmsg+0x723/0xbe0 [ 2161.778120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2161.778120][ T10] ___sys_sendmsg+0xee/0x170 [ 2161.778120][ T10] __sys_sendmsg+0xcd/0x170 [ 2161.778120][ T10] do_syscall_64+0xc6/0x1e0 [ 2161.778120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2161.778120][ T10] [ 2161.779833][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2161.779833][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2161.779833][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2161.779833][ T10] ipv6_find_idev+0x102/0x170 [ 2161.779833][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2161.779833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2161.779833][ T10] netlink_rcv_skb+0x130/0x360 [ 2161.779833][ T10] netlink_unicast+0x449/0x710 [ 2161.779833][ T10] netlink_sendmsg+0x723/0xbe0 [ 2161.779833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2161.779833][ T10] ___sys_sendmsg+0xee/0x170 [ 2161.779833][ T10] __sys_sendmsg+0xcd/0x170 [ 2161.779833][ T10] do_syscall_64+0xc6/0x1e0 [ 2161.779833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2161.779833][ T10] [ 2161.781689][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2161.781945][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2161.781945][ T10] netdev_get_by_index+0x5e/0x80 [ 2161.781945][ T10] fib6_nh_init+0x3d8/0x1580 [ 2161.781945][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2161.781945][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2161.781945][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2161.781945][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2161.781945][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2161.781945][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2161.781945][ T10] addrconf_dad_begin+0x310/0x670 [ 2161.781945][ T10] addrconf_dad_work+0x10b/0xab0 [ 2161.781945][ T10] process_one_work+0x84d/0x18a0 [ 2161.781945][ T10] worker_thread+0x587/0xd30 [ 2161.781945][ T10] kthread+0x28a/0x350 [ 2161.781945][ T10] ret_from_fork+0x31/0x70 [ 2161.781945][ T10] ret_from_fork_asm+0x1a/0x30 [ 2161.781945][ T10] [ 2161.784171][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2161.784171][ T10] netdev_get_by_index+0x5e/0x80 [ 2161.784171][ T10] fib6_nh_init+0x3d8/0x1580 [ 2161.784171][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2161.784171][ T10] ip6_route_add+0x1c/0x140 [ 2161.784171][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2161.784171][ T10] inet6_addr_add+0x4f8/0xa40 [ 2161.784171][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2161.784171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2161.784171][ T10] netlink_rcv_skb+0x130/0x360 [ 2161.784171][ T10] netlink_unicast+0x449/0x710 [ 2161.784171][ T10] netlink_sendmsg+0x723/0xbe0 [ 2161.784171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2161.784171][ T10] ___sys_sendmsg+0xee/0x170 [ 2161.784171][ T10] __sys_sendmsg+0xcd/0x170 [ 2161.784171][ T10] do_syscall_64+0xc6/0x1e0 [ 2161.784171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2161.784171][ T10] [ 2161.786410][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2161.786410][ T10] netdev_get_by_index+0x5e/0x80 [ 2161.786410][ T10] fib6_nh_init+0x3d8/0x1580 [ 2161.786410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2161.786410][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2161.786410][ T10] ipv6_add_addr+0x411/0x2000 [ 2161.786410][ T10] inet6_addr_add+0x30e/0xa40 [ 2161.786410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2161.786410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2161.786410][ T10] netlink_rcv_skb+0x130/0x360 [ 2161.786410][ T10] netlink_unicast+0x449/0x710 [ 2161.786410][ T10] netlink_sendmsg+0x723/0xbe0 [ 2161.786410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2161.786410][ T10] ___sys_sendmsg+0xee/0x170 [ 2161.786410][ T10] __sys_sendmsg+0xcd/0x170 [ 2161.786410][ T10] do_syscall_64+0xc6/0x1e0 [ 2161.786410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2161.786410][ T10] [ 2161.788649][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2161.788649][ T10] netdev_get_by_index+0x5e/0x80 [ 2161.788649][ T10] fib6_nh_init+0x3d8/0x1580 [ 2161.788649][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2161.788649][ T10] ip6_route_add+0x1c/0x140 [ 2161.788649][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2161.788649][ T10] addrconf_add_dev+0xe2/0x170 [ 2161.788649][ T10] inet6_addr_add+0x12f/0xa40 [ 2161.788649][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2161.788649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2161.788649][ T10] netlink_rcv_skb+0x130/0x360 [ 2161.788649][ T10] netlink_unicast+0x449/0x710 [ 2161.788649][ T10] netlink_sendmsg+0x723/0xbe0 [ 2161.788649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2161.788649][ T10] ___sys_sendmsg+0xee/0x170 [ 2161.788649][ T10] __sys_sendmsg+0xcd/0x170 [ 2161.788649][ T10] do_syscall_64+0xc6/0x1e0 [ 2161.788649][ T10] [ 2161.790779][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2161.790779][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2161.790779][ T10] ipv6_find_idev+0x102/0x170 [ 2161.790779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2161.790779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2161.790779][ T10] netlink_rcv_skb+0x130/0x360 [ 2161.790779][ T10] netlink_unicast+0x449/0x710 [ 2161.790779][ T10] netlink_sendmsg+0x723/0xbe0 [ 2161.790779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2161.790779][ T10] ___sys_sendmsg+0xee/0x170 [ 2161.790779][ T10] __sys_sendmsg+0xcd/0x170 [ 2161.790779][ T10] do_syscall_64+0xc6/0x1e0 [ 2161.790779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2161.790779][ T10] [ 2161.792482][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2161.792482][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2161.792482][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2161.792482][ T10] ipv6_find_idev+0x102/0x170 [ 2161.792482][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2161.792482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2161.792482][ T10] netlink_rcv_skb+0x130/0x360 [ 2161.792482][ T10] netlink_unicast+0x449/0x710 [ 2161.792482][ T10] netlink_sendmsg+0x723/0xbe0 [ 2161.792482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2161.792482][ T10] ___sys_sendmsg+0xee/0x170 [ 2161.792482][ T10] __sys_sendmsg+0xcd/0x170 [ 2161.792482][ T10] do_syscall_64+0xc6/0x1e0 [ 2161.792482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2161.792482][ T10] [ 2166.097183][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2166.097666][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2166.097666][ T1167] dst_init+0x84/0x4a0 [ 2166.097666][ T1167] dst_alloc+0x97/0x150 [ 2166.097666][ T1167] ip6_dst_alloc+0x23/0x90 [ 2166.097666][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2166.097666][ T1167] ip6_pol_route+0x56f/0x840 [ 2166.097666][ T1167] fib6_rule_lookup+0x334/0x630 [ 2166.097666][ T1167] ip6_route_output_flags+0x259/0x480 [ 2166.097666][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2166.097666][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2166.097666][ T1167] netlink_rcv_skb+0x130/0x360 [ 2166.097666][ T1167] netlink_unicast+0x449/0x710 [ 2166.097666][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2166.097666][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2166.097666][ T1167] ___sys_sendmsg+0xee/0x170 [ 2166.097666][ T1167] __sys_sendmsg+0xcd/0x170 [ 2166.097666][ T1167] do_syscall_64+0xc6/0x1e0 [ 2166.097666][ T1167] [ 2166.099871][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2166.099871][ T1167] netdev_get_by_index+0x5e/0x80 [ 2166.099871][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2166.099871][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2166.099871][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2166.099871][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2166.099871][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2166.099871][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2166.099871][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2166.099871][ T1167] addrconf_dad_begin+0x310/0x670 [ 2166.099871][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2166.099871][ T1167] process_one_work+0x84d/0x18a0 [ 2166.099871][ T1167] worker_thread+0x587/0xd30 [ 2166.099871][ T1167] kthread+0x28a/0x350 [ 2166.099871][ T1167] ret_from_fork+0x31/0x70 [ 2166.099871][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2166.099871][ T1167] [ 2166.102134][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2166.102134][ T1167] netdev_get_by_index+0x5e/0x80 [ 2166.102134][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2166.102134][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2166.102134][ T1167] ip6_route_add+0x1c/0x140 [ 2166.102134][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2166.102134][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2166.102134][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2166.102134][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.102134][ T1167] netlink_rcv_skb+0x130/0x360 [ 2166.102134][ T1167] netlink_unicast+0x449/0x710 [ 2166.102134][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2166.102134][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2166.102134][ T1167] ___sys_sendmsg+0xee/0x170 [ 2166.102134][ T1167] __sys_sendmsg+0xcd/0x170 [ 2166.102134][ T1167] do_syscall_64+0xc6/0x1e0 [ 2166.102134][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2166.102134][ T1167] [ 2166.104377][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2166.104377][ T1167] netdev_get_by_index+0x5e/0x80 [ 2166.104377][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2166.104377][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2166.104377][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2166.104377][ T1167] ipv6_add_addr+0x411/0x2000 [ 2166.104377][ T1167] inet6_addr_add+0x30e/0xa40 [ 2166.104377][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2166.104377][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.104377][ T1167] netlink_rcv_skb+0x130/0x360 [ 2166.104377][ T1167] netlink_unicast+0x449/0x710 [ 2166.104377][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2166.104377][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2166.104377][ T1167] ___sys_sendmsg+0xee/0x170 [ 2166.104377][ T1167] __sys_sendmsg+0xcd/0x170 [ 2166.104377][ T1167] do_syscall_64+0xc6/0x1e0 [ 2166.104377][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2166.104377][ T1167] [ 2166.106627][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2166.106627][ T1167] netdev_get_by_index+0x5e/0x80 [ 2166.106627][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2166.106627][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2166.106627][ T1167] ip6_route_add+0x1c/0x140 [ 2166.106627][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2166.106627][ T1167] addrconf_add_dev+0xe2/0x170 [ 2166.106627][ T1167] inet6_addr_add+0x12f/0xa40 [ 2166.106627][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2166.106627][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.106627][ T1167] netlink_rcv_skb+0x130/0x360 [ 2166.106627][ T1167] netlink_unicast+0x449/0x710 [ 2166.106627][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2166.106627][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2166.106627][ T1167] ___sys_sendmsg+0xee/0x170 [ 2166.106627][ T1167] __sys_sendmsg+0xcd/0x170 [ 2166.106627][ T1167] do_syscall_64+0xc6/0x1e0 [ 2166.106627][ T1167] [ 2166.108846][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2166.108846][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2166.108846][ T1167] ipv6_find_idev+0x102/0x170 [ 2166.108846][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2166.108846][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.108846][ T1167] netlink_rcv_skb+0x130/0x360 [ 2166.108846][ T1167] netlink_unicast+0x449/0x710 [ 2166.108846][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2166.108846][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2166.108846][ T1167] ___sys_sendmsg+0xee/0x170 [ 2166.108846][ T1167] __sys_sendmsg+0xcd/0x170 [ 2166.108846][ T1167] do_syscall_64+0xc6/0x1e0 [ 2166.108846][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2166.108846][ T1167] [ 2166.111468][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2166.111468][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2166.111468][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2166.111468][ T1167] ipv6_find_idev+0x102/0x170 [ 2166.111468][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2166.111468][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.111468][ T1167] netlink_rcv_skb+0x130/0x360 [ 2166.111468][ T1167] netlink_unicast+0x449/0x710 [ 2166.111468][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2166.111468][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2166.111468][ T1167] ___sys_sendmsg+0xee/0x170 [ 2166.111468][ T1167] __sys_sendmsg+0xcd/0x170 [ 2166.111468][ T1167] do_syscall_64+0xc6/0x1e0 [ 2166.111468][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2166.111468][ T1167] [ 2172.033132][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2172.033547][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2172.033547][ T10] netdev_get_by_index+0x5e/0x80 [ 2172.033547][ T10] fib6_nh_init+0x3d8/0x1580 [ 2172.033547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2172.033547][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2172.033547][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2172.033547][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2172.033547][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2172.033547][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2172.033547][ T10] addrconf_dad_begin+0x310/0x670 [ 2172.033547][ T10] addrconf_dad_work+0x10b/0xab0 [ 2172.033547][ T10] process_one_work+0x84d/0x18a0 [ 2172.033547][ T10] worker_thread+0x587/0xd30 [ 2172.033547][ T10] kthread+0x28a/0x350 [ 2172.033547][ T10] ret_from_fork+0x31/0x70 [ 2172.033547][ T10] ret_from_fork_asm+0x1a/0x30 [ 2172.033547][ T10] [ 2172.035462][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2172.035462][ T10] netdev_get_by_index+0x5e/0x80 [ 2172.035462][ T10] fib6_nh_init+0x3d8/0x1580 [ 2172.035462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2172.035462][ T10] ip6_route_add+0x1c/0x140 [ 2172.035462][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2172.035462][ T10] inet6_addr_add+0x4f8/0xa40 [ 2172.035462][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2172.035462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2172.035462][ T10] netlink_rcv_skb+0x130/0x360 [ 2172.035462][ T10] netlink_unicast+0x449/0x710 [ 2172.035462][ T10] netlink_sendmsg+0x723/0xbe0 [ 2172.035462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2172.035462][ T10] ___sys_sendmsg+0xee/0x170 [ 2172.035462][ T10] __sys_sendmsg+0xcd/0x170 [ 2172.035462][ T10] do_syscall_64+0xc6/0x1e0 [ 2172.035462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2172.035462][ T10] [ 2172.037453][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2172.037453][ T10] netdev_get_by_index+0x5e/0x80 [ 2172.037453][ T10] fib6_nh_init+0x3d8/0x1580 [ 2172.037453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2172.037453][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2172.037453][ T10] ipv6_add_addr+0x411/0x2000 [ 2172.037453][ T10] inet6_addr_add+0x30e/0xa40 [ 2172.037453][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2172.037453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2172.037453][ T10] netlink_rcv_skb+0x130/0x360 [ 2172.037453][ T10] netlink_unicast+0x449/0x710 [ 2172.037453][ T10] netlink_sendmsg+0x723/0xbe0 [ 2172.037453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2172.037453][ T10] ___sys_sendmsg+0xee/0x170 [ 2172.037453][ T10] __sys_sendmsg+0xcd/0x170 [ 2172.037453][ T10] do_syscall_64+0xc6/0x1e0 [ 2172.037453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2172.037453][ T10] [ 2172.039462][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2172.039462][ T10] netdev_get_by_index+0x5e/0x80 [ 2172.039462][ T10] fib6_nh_init+0x3d8/0x1580 [ 2172.039462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2172.039462][ T10] ip6_route_add+0x1c/0x140 [ 2172.039462][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2172.039462][ T10] addrconf_add_dev+0xe2/0x170 [ 2172.039462][ T10] inet6_addr_add+0x12f/0xa40 [ 2172.039462][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2172.039462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2172.039462][ T10] netlink_rcv_skb+0x130/0x360 [ 2172.039462][ T10] netlink_unicast+0x449/0x710 [ 2172.039462][ T10] netlink_sendmsg+0x723/0xbe0 [ 2172.039462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2172.039462][ T10] ___sys_sendmsg+0xee/0x170 [ 2172.039462][ T10] __sys_sendmsg+0xcd/0x170 [ 2172.039462][ T10] do_syscall_64+0xc6/0x1e0 [ 2172.039462][ T10] [ 2172.041502][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2172.041502][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2172.041502][ T10] ipv6_find_idev+0x102/0x170 [ 2172.041502][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2172.041502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2172.041502][ T10] netlink_rcv_skb+0x130/0x360 [ 2172.041502][ T10] netlink_unicast+0x449/0x710 [ 2172.041502][ T10] netlink_sendmsg+0x723/0xbe0 [ 2172.041502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2172.041502][ T10] ___sys_sendmsg+0xee/0x170 [ 2172.041502][ T10] __sys_sendmsg+0xcd/0x170 [ 2172.041502][ T10] do_syscall_64+0xc6/0x1e0 [ 2172.041502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2172.041502][ T10] [ 2172.043436][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2172.043436][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2172.043436][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2172.043436][ T10] ipv6_find_idev+0x102/0x170 [ 2172.043436][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2172.043436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2172.043436][ T10] netlink_rcv_skb+0x130/0x360 [ 2172.043436][ T10] netlink_unicast+0x449/0x710 [ 2172.043436][ T10] netlink_sendmsg+0x723/0xbe0 [ 2172.043436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2172.043436][ T10] ___sys_sendmsg+0xee/0x170 [ 2172.043436][ T10] __sys_sendmsg+0xcd/0x170 [ 2172.043436][ T10] do_syscall_64+0xc6/0x1e0 [ 2172.043436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2172.043436][ T10] [ 2172.045120][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2172.045361][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2172.045361][ T10] netdev_get_by_index+0x5e/0x80 [ 2172.045361][ T10] fib6_nh_init+0x3d8/0x1580 [ 2172.045361][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2172.045361][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2172.045361][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2172.045361][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2172.045361][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2172.045361][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2172.045361][ T10] addrconf_dad_begin+0x310/0x670 [ 2172.045361][ T10] addrconf_dad_work+0x10b/0xab0 [ 2172.045361][ T10] process_one_work+0x84d/0x18a0 [ 2172.045361][ T10] worker_thread+0x587/0xd30 [ 2172.045361][ T10] kthread+0x28a/0x350 [ 2172.045361][ T10] ret_from_fork+0x31/0x70 [ 2172.045361][ T10] ret_from_fork_asm+0x1a/0x30 [ 2172.045361][ T10] [ 2172.047249][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2172.047249][ T10] netdev_get_by_index+0x5e/0x80 [ 2172.047249][ T10] fib6_nh_init+0x3d8/0x1580 [ 2172.047249][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2172.047249][ T10] ip6_route_add+0x1c/0x140 [ 2172.047249][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2172.047249][ T10] inet6_addr_add+0x4f8/0xa40 [ 2172.047249][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2172.047249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2172.047249][ T10] netlink_rcv_skb+0x130/0x360 [ 2172.047249][ T10] netlink_unicast+0x449/0x710 [ 2172.047249][ T10] netlink_sendmsg+0x723/0xbe0 [ 2172.047249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2172.047249][ T10] ___sys_sendmsg+0xee/0x170 [ 2172.047249][ T10] __sys_sendmsg+0xcd/0x170 [ 2172.047249][ T10] do_syscall_64+0xc6/0x1e0 [ 2172.047249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2172.047249][ T10] [ 2172.049253][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2172.049253][ T10] netdev_get_by_index+0x5e/0x80 [ 2172.049253][ T10] fib6_nh_init+0x3d8/0x1580 [ 2172.049253][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2172.049253][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2172.049253][ T10] ipv6_add_addr+0x411/0x2000 [ 2172.049253][ T10] inet6_addr_add+0x30e/0xa40 [ 2172.049253][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2172.049253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2172.049253][ T10] netlink_rcv_skb+0x130/0x360 [ 2172.049253][ T10] netlink_unicast+0x449/0x710 [ 2172.049253][ T10] netlink_sendmsg+0x723/0xbe0 [ 2172.049253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2172.049253][ T10] ___sys_sendmsg+0xee/0x170 [ 2172.049253][ T10] __sys_sendmsg+0xcd/0x170 [ 2172.049253][ T10] do_syscall_64+0xc6/0x1e0 [ 2172.049253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2172.049253][ T10] [ 2172.051247][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2172.051247][ T10] netdev_get_by_index+0x5e/0x80 [ 2172.051247][ T10] fib6_nh_init+0x3d8/0x1580 [ 2172.051247][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2172.051247][ T10] ip6_route_add+0x1c/0x140 [ 2172.051247][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2172.051247][ T10] addrconf_add_dev+0xe2/0x170 [ 2172.051247][ T10] inet6_addr_add+0x12f/0xa40 [ 2172.051247][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2172.051247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2172.051247][ T10] netlink_rcv_skb+0x130/0x360 [ 2172.051247][ T10] netlink_unicast+0x449/0x710 [ 2172.051247][ T10] netlink_sendmsg+0x723/0xbe0 [ 2172.051247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2172.051247][ T10] ___sys_sendmsg+0xee/0x170 [ 2172.051247][ T10] __sys_sendmsg+0xcd/0x170 [ 2172.051247][ T10] do_syscall_64+0xc6/0x1e0 [ 2172.051247][ T10] [ 2172.053181][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2172.053181][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2172.053181][ T10] ipv6_find_idev+0x102/0x170 [ 2172.053181][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2172.053181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2172.053181][ T10] netlink_rcv_skb+0x130/0x360 [ 2172.053181][ T10] netlink_unicast+0x449/0x710 [ 2172.053181][ T10] netlink_sendmsg+0x723/0xbe0 [ 2172.053181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2172.053181][ T10] ___sys_sendmsg+0xee/0x170 [ 2172.053181][ T10] __sys_sendmsg+0xcd/0x170 [ 2172.053181][ T10] do_syscall_64+0xc6/0x1e0 [ 2172.053181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2172.053181][ T10] [ 2172.054705][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2172.054705][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2172.054705][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2172.054705][ T10] ipv6_find_idev+0x102/0x170 [ 2172.054705][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2172.054705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2172.054705][ T10] netlink_rcv_skb+0x130/0x360 [ 2172.054705][ T10] netlink_unicast+0x449/0x710 [ 2172.054705][ T10] netlink_sendmsg+0x723/0xbe0 [ 2172.054705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2172.054705][ T10] ___sys_sendmsg+0xee/0x170 [ 2172.054705][ T10] __sys_sendmsg+0xcd/0x170 [ 2172.054705][ T10] do_syscall_64+0xc6/0x1e0 [ 2172.054705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2172.054705][ T10] [ 2172.056378][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2172.056623][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2172.056623][ T10] netdev_get_by_index+0x5e/0x80 [ 2172.056623][ T10] fib6_nh_init+0x3d8/0x1580 [ 2172.056623][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2172.056623][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2172.056623][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2172.056623][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2172.056623][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2172.056623][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2172.056623][ T10] addrconf_dad_begin+0x310/0x670 [ 2172.056623][ T10] addrconf_dad_work+0x10b/0xab0 [ 2172.056623][ T10] process_one_work+0x84d/0x18a0 [ 2172.056623][ T10] worker_thread+0x587/0xd30 [ 2172.056623][ T10] kthread+0x28a/0x350 [ 2172.056623][ T10] ret_from_fork+0x31/0x70 [ 2172.056623][ T10] ret_from_fork_asm+0x1a/0x30 [ 2172.056623][ T10] [ 2172.058525][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2172.058525][ T10] netdev_get_by_index+0x5e/0x80 [ 2172.058525][ T10] fib6_nh_init+0x3d8/0x1580 [ 2172.058525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2172.058525][ T10] ip6_route_add+0x1c/0x140 [ 2172.058525][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2172.058525][ T10] inet6_addr_add+0x4f8/0xa40 [ 2172.058525][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2172.058525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2172.058525][ T10] netlink_rcv_skb+0x130/0x360 [ 2172.058525][ T10] netlink_unicast+0x449/0x710 [ 2172.058525][ T10] netlink_sendmsg+0x723/0xbe0 [ 2172.058525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2172.058525][ T10] ___sys_sendmsg+0xee/0x170 [ 2172.058525][ T10] __sys_sendmsg+0xcd/0x170 [ 2172.058525][ T10] do_syscall_64+0xc6/0x1e0 [ 2172.058525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2172.058525][ T10] [ 2172.060689][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2172.060689][ T10] netdev_get_by_index+0x5e/0x80 [ 2172.060689][ T10] fib6_nh_init+0x3d8/0x1580 [ 2172.060689][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2172.060689][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2172.060689][ T10] ipv6_add_addr+0x411/0x2000 [ 2172.060689][ T10] inet6_addr_add+0x30e/0xa40 [ 2172.060689][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2172.060689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2172.060689][ T10] netlink_rcv_skb+0x130/0x360 [ 2172.060689][ T10] netlink_unicast+0x449/0x710 [ 2172.060689][ T10] netlink_sendmsg+0x723/0xbe0 [ 2172.060689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2172.060689][ T10] ___sys_sendmsg+0xee/0x170 [ 2172.060689][ T10] __sys_sendmsg+0xcd/0x170 [ 2172.060689][ T10] do_syscall_64+0xc6/0x1e0 [ 2172.060689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2172.060689][ T10] [ 2172.062905][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2172.062905][ T10] netdev_get_by_index+0x5e/0x80 [ 2172.062905][ T10] fib6_nh_init+0x3d8/0x1580 [ 2172.062905][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2172.062905][ T10] ip6_route_add+0x1c/0x140 [ 2172.062905][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2172.062905][ T10] addrconf_add_dev+0xe2/0x170 [ 2172.062905][ T10] inet6_addr_add+0x12f/0xa40 [ 2172.062905][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2172.062905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2172.062905][ T10] netlink_rcv_skb+0x130/0x360 [ 2172.062905][ T10] netlink_unicast+0x449/0x710 [ 2172.062905][ T10] netlink_sendmsg+0x723/0xbe0 [ 2172.062905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2172.062905][ T10] ___sys_sendmsg+0xee/0x170 [ 2172.062905][ T10] __sys_sendmsg+0xcd/0x170 [ 2172.062905][ T10] do_syscall_64+0xc6/0x1e0 [ 2172.062905][ T10] [ 2172.065100][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2172.065100][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2172.065100][ T10] ipv6_find_idev+0x102/0x170 [ 2172.065100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2172.065100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2172.065100][ T10] netlink_rcv_skb+0x130/0x360 [ 2172.065100][ T10] netlink_unicast+0x449/0x710 [ 2172.065100][ T10] netlink_sendmsg+0x723/0xbe0 [ 2172.065100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2172.065100][ T10] ___sys_sendmsg+0xee/0x170 [ 2172.065100][ T10] __sys_sendmsg+0xcd/0x170 [ 2172.065100][ T10] do_syscall_64+0xc6/0x1e0 [ 2172.065100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2172.065100][ T10] [ 2172.066800][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2172.066800][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2172.066800][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2172.066800][ T10] ipv6_find_idev+0x102/0x170 [ 2172.066800][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2172.066800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2172.066800][ T10] netlink_rcv_skb+0x130/0x360 [ 2172.066800][ T10] netlink_unicast+0x449/0x710 [ 2172.066800][ T10] netlink_sendmsg+0x723/0xbe0 [ 2172.066800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2172.066800][ T10] ___sys_sendmsg+0xee/0x170 [ 2172.066800][ T10] __sys_sendmsg+0xcd/0x170 [ 2172.066800][ T10] do_syscall_64+0xc6/0x1e0 [ 2172.066800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2172.066800][ T10] [ 2172.068739][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2172.068980][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2172.068980][ T10] netdev_get_by_index+0x5e/0x80 [ 2172.068980][ T10] fib6_nh_init+0x3d8/0x1580 [ 2172.068980][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2172.068980][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2172.068980][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2172.068980][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2172.068980][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2172.068980][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2172.068980][ T10] addrconf_dad_begin+0x310/0x670 [ 2172.068980][ T10] addrconf_dad_work+0x10b/0xab0 [ 2172.068980][ T10] process_one_work+0x84d/0x18a0 [ 2172.068980][ T10] worker_thread+0x587/0xd30 [ 2172.068980][ T10] kthread+0x28a/0x350 [ 2172.068980][ T10] ret_from_fork+0x31/0x70 [ 2172.068980][ T10] ret_from_fork_asm+0x1a/0x30 [ 2172.068980][ T10] [ 2172.071108][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2172.071108][ T10] netdev_get_by_index+0x5e/0x80 [ 2172.071108][ T10] fib6_nh_init+0x3d8/0x1580 [ 2172.071108][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2172.071108][ T10] ip6_route_add+0x1c/0x140 [ 2172.071108][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2172.071108][ T10] inet6_addr_add+0x4f8/0xa40 [ 2172.071108][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2172.071108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2172.071108][ T10] netlink_rcv_skb+0x130/0x360 [ 2172.071108][ T10] netlink_unicast+0x449/0x710 [ 2172.071108][ T10] netlink_sendmsg+0x723/0xbe0 [ 2172.071108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2172.071108][ T10] ___sys_sendmsg+0xee/0x170 [ 2172.071108][ T10] __sys_sendmsg+0xcd/0x170 [ 2172.071108][ T10] do_syscall_64+0xc6/0x1e0 [ 2172.071108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2172.071108][ T10] [ 2172.073331][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2172.073331][ T10] netdev_get_by_index+0x5e/0x80 [ 2172.073331][ T10] fib6_nh_init+0x3d8/0x1580 [ 2172.073331][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2172.073331][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2172.073331][ T10] ipv6_add_addr+0x411/0x2000 [ 2172.073331][ T10] inet6_addr_add+0x30e/0xa40 [ 2172.073331][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2172.073331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2172.073331][ T10] netlink_rcv_skb+0x130/0x360 [ 2172.073331][ T10] netlink_unicast+0x449/0x710 [ 2172.073331][ T10] netlink_sendmsg+0x723/0xbe0 [ 2172.073331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2172.073331][ T10] ___sys_sendmsg+0xee/0x170 [ 2172.073331][ T10] __sys_sendmsg+0xcd/0x170 [ 2172.073331][ T10] do_syscall_64+0xc6/0x1e0 [ 2172.073331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2172.073331][ T10] [ 2172.075546][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2172.075546][ T10] netdev_get_by_index+0x5e/0x80 [ 2172.075546][ T10] fib6_nh_init+0x3d8/0x1580 [ 2172.075546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2172.075546][ T10] ip6_route_add+0x1c/0x140 [ 2172.075546][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2172.075546][ T10] addrconf_add_dev+0xe2/0x170 [ 2172.075546][ T10] inet6_addr_add+0x12f/0xa40 [ 2172.075546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2172.075546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2172.075546][ T10] netlink_rcv_skb+0x130/0x360 [ 2172.075546][ T10] netlink_unicast+0x449/0x710 [ 2172.075546][ T10] netlink_sendmsg+0x723/0xbe0 [ 2172.075546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2172.075546][ T10] ___sys_sendmsg+0xee/0x170 [ 2172.075546][ T10] __sys_sendmsg+0xcd/0x170 [ 2172.075546][ T10] do_syscall_64+0xc6/0x1e0 [ 2172.075546][ T10] [ 2172.077722][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2172.077722][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2172.077722][ T10] ipv6_find_idev+0x102/0x170 [ 2172.077722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2172.077722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2172.077722][ T10] netlink_rcv_skb+0x130/0x360 [ 2172.077722][ T10] netlink_unicast+0x449/0x710 [ 2172.077722][ T10] netlink_sendmsg+0x723/0xbe0 [ 2172.077722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2172.077722][ T10] ___sys_sendmsg+0xee/0x170 [ 2172.077722][ T10] __sys_sendmsg+0xcd/0x170 [ 2172.077722][ T10] do_syscall_64+0xc6/0x1e0 [ 2172.077722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2172.077722][ T10] [ 2172.079438][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2172.079438][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2172.079438][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2172.079438][ T10] ipv6_find_idev+0x102/0x170 [ 2172.079438][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2172.079438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2172.079438][ T10] netlink_rcv_skb+0x130/0x360 [ 2172.079438][ T10] netlink_unicast+0x449/0x710 [ 2172.079438][ T10] netlink_sendmsg+0x723/0xbe0 [ 2172.079438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2172.079438][ T10] ___sys_sendmsg+0xee/0x170 [ 2172.079438][ T10] __sys_sendmsg+0xcd/0x170 [ 2172.079438][ T10] do_syscall_64+0xc6/0x1e0 [ 2172.079438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2172.079438][ T10] [ 2176.361106][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2176.361517][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2176.361517][ T1167] dst_init+0x84/0x4a0 [ 2176.361517][ T1167] dst_alloc+0x97/0x150 [ 2176.361517][ T1167] ip6_dst_alloc+0x23/0x90 [ 2176.361517][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2176.361517][ T1167] ip6_pol_route+0x56f/0x840 [ 2176.361517][ T1167] fib6_rule_lookup+0x334/0x630 [ 2176.361517][ T1167] ip6_route_output_flags+0x259/0x480 [ 2176.361517][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2176.361517][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2176.361517][ T1167] netlink_rcv_skb+0x130/0x360 [ 2176.361517][ T1167] netlink_unicast+0x449/0x710 [ 2176.361517][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2176.361517][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2176.361517][ T1167] ___sys_sendmsg+0xee/0x170 [ 2176.361517][ T1167] __sys_sendmsg+0xcd/0x170 [ 2176.361517][ T1167] do_syscall_64+0xc6/0x1e0 [ 2176.361517][ T1167] [ 2176.363719][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2176.363719][ T1167] netdev_get_by_index+0x5e/0x80 [ 2176.363719][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2176.363719][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2176.363719][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2176.363719][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2176.363719][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2176.363719][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2176.363719][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2176.363719][ T1167] addrconf_dad_begin+0x310/0x670 [ 2176.363719][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2176.363719][ T1167] process_one_work+0x84d/0x18a0 [ 2176.363719][ T1167] worker_thread+0x587/0xd30 [ 2176.363719][ T1167] kthread+0x28a/0x350 [ 2176.363719][ T1167] ret_from_fork+0x31/0x70 [ 2176.363719][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2176.363719][ T1167] [ 2176.365946][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2176.365946][ T1167] netdev_get_by_index+0x5e/0x80 [ 2176.365946][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2176.365946][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2176.365946][ T1167] ip6_route_add+0x1c/0x140 [ 2176.365946][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2176.365946][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2176.365946][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2176.365946][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.365946][ T1167] netlink_rcv_skb+0x130/0x360 [ 2176.365946][ T1167] netlink_unicast+0x449/0x710 [ 2176.365946][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2176.365946][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2176.365946][ T1167] ___sys_sendmsg+0xee/0x170 [ 2176.365946][ T1167] __sys_sendmsg+0xcd/0x170 [ 2176.365946][ T1167] do_syscall_64+0xc6/0x1e0 [ 2176.365946][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2176.365946][ T1167] [ 2176.368200][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2176.368200][ T1167] netdev_get_by_index+0x5e/0x80 [ 2176.368200][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2176.368200][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2176.368200][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2176.368200][ T1167] ipv6_add_addr+0x411/0x2000 [ 2176.368200][ T1167] inet6_addr_add+0x30e/0xa40 [ 2176.368200][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2176.368200][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.368200][ T1167] netlink_rcv_skb+0x130/0x360 [ 2176.368200][ T1167] netlink_unicast+0x449/0x710 [ 2176.368200][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2176.368200][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2176.368200][ T1167] ___sys_sendmsg+0xee/0x170 [ 2176.368200][ T1167] __sys_sendmsg+0xcd/0x170 [ 2176.368200][ T1167] do_syscall_64+0xc6/0x1e0 [ 2176.368200][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2176.368200][ T1167] [ 2176.370451][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2176.370451][ T1167] netdev_get_by_index+0x5e/0x80 [ 2176.370451][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2176.370451][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2176.370451][ T1167] ip6_route_add+0x1c/0x140 [ 2176.370451][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2176.370451][ T1167] addrconf_add_dev+0xe2/0x170 [ 2176.370451][ T1167] inet6_addr_add+0x12f/0xa40 [ 2176.370451][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2176.370451][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.370451][ T1167] netlink_rcv_skb+0x130/0x360 [ 2176.370451][ T1167] netlink_unicast+0x449/0x710 [ 2176.370451][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2176.370451][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2176.370451][ T1167] ___sys_sendmsg+0xee/0x170 [ 2176.370451][ T1167] __sys_sendmsg+0xcd/0x170 [ 2176.370451][ T1167] do_syscall_64+0xc6/0x1e0 [ 2176.370451][ T1167] [ 2176.372641][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2176.372641][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2176.372641][ T1167] ipv6_find_idev+0x102/0x170 [ 2176.372641][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2176.372641][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.372641][ T1167] netlink_rcv_skb+0x130/0x360 [ 2176.372641][ T1167] netlink_unicast+0x449/0x710 [ 2176.372641][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2176.372641][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2176.372641][ T1167] ___sys_sendmsg+0xee/0x170 [ 2176.372641][ T1167] __sys_sendmsg+0xcd/0x170 [ 2176.372641][ T1167] do_syscall_64+0xc6/0x1e0 [ 2176.372641][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2176.372641][ T1167] [ 2176.374361][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2176.374361][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2176.374361][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2176.374361][ T1167] ipv6_find_idev+0x102/0x170 [ 2176.374361][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2176.374361][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.374361][ T1167] netlink_rcv_skb+0x130/0x360 [ 2176.374361][ T1167] netlink_unicast+0x449/0x710 [ 2176.374361][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2176.374361][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2176.374361][ T1167] ___sys_sendmsg+0xee/0x170 [ 2176.374361][ T1167] __sys_sendmsg+0xcd/0x170 [ 2176.374361][ T1167] do_syscall_64+0xc6/0x1e0 [ 2176.374361][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2176.374361][ T1167] [ 2182.129109][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2182.129465][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2182.129465][ T10] netdev_get_by_index+0x5e/0x80 [ 2182.129465][ T10] fib6_nh_init+0x3d8/0x1580 [ 2182.129465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2182.129465][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2182.129465][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2182.129465][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2182.129465][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2182.129465][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2182.129465][ T10] addrconf_dad_begin+0x310/0x670 [ 2182.129465][ T10] addrconf_dad_work+0x10b/0xab0 [ 2182.129465][ T10] process_one_work+0x84d/0x18a0 [ 2182.129465][ T10] worker_thread+0x587/0xd30 [ 2182.129465][ T10] kthread+0x28a/0x350 [ 2182.129465][ T10] ret_from_fork+0x31/0x70 [ 2182.129465][ T10] ret_from_fork_asm+0x1a/0x30 [ 2182.129465][ T10] [ 2182.131396][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2182.131396][ T10] netdev_get_by_index+0x5e/0x80 [ 2182.131396][ T10] fib6_nh_init+0x3d8/0x1580 [ 2182.131396][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2182.131396][ T10] ip6_route_add+0x1c/0x140 [ 2182.131396][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2182.131396][ T10] inet6_addr_add+0x4f8/0xa40 [ 2182.131396][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2182.131396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2182.131396][ T10] netlink_rcv_skb+0x130/0x360 [ 2182.131396][ T10] netlink_unicast+0x449/0x710 [ 2182.131396][ T10] netlink_sendmsg+0x723/0xbe0 [ 2182.131396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2182.131396][ T10] ___sys_sendmsg+0xee/0x170 [ 2182.131396][ T10] __sys_sendmsg+0xcd/0x170 [ 2182.131396][ T10] do_syscall_64+0xc6/0x1e0 [ 2182.131396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2182.131396][ T10] [ 2182.133399][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2182.133399][ T10] netdev_get_by_index+0x5e/0x80 [ 2182.133399][ T10] fib6_nh_init+0x3d8/0x1580 [ 2182.133399][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2182.133399][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2182.133399][ T10] ipv6_add_addr+0x411/0x2000 [ 2182.133399][ T10] inet6_addr_add+0x30e/0xa40 [ 2182.133399][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2182.133399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2182.133399][ T10] netlink_rcv_skb+0x130/0x360 [ 2182.133399][ T10] netlink_unicast+0x449/0x710 [ 2182.133399][ T10] netlink_sendmsg+0x723/0xbe0 [ 2182.133399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2182.133399][ T10] ___sys_sendmsg+0xee/0x170 [ 2182.133399][ T10] __sys_sendmsg+0xcd/0x170 [ 2182.133399][ T10] do_syscall_64+0xc6/0x1e0 [ 2182.133399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2182.133399][ T10] [ 2182.135384][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2182.135384][ T10] netdev_get_by_index+0x5e/0x80 [ 2182.135384][ T10] fib6_nh_init+0x3d8/0x1580 [ 2182.135384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2182.135384][ T10] ip6_route_add+0x1c/0x140 [ 2182.135384][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2182.135384][ T10] addrconf_add_dev+0xe2/0x170 [ 2182.135384][ T10] inet6_addr_add+0x12f/0xa40 [ 2182.135384][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2182.135384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2182.135384][ T10] netlink_rcv_skb+0x130/0x360 [ 2182.135384][ T10] netlink_unicast+0x449/0x710 [ 2182.135384][ T10] netlink_sendmsg+0x723/0xbe0 [ 2182.135384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2182.135384][ T10] ___sys_sendmsg+0xee/0x170 [ 2182.135384][ T10] __sys_sendmsg+0xcd/0x170 [ 2182.135384][ T10] do_syscall_64+0xc6/0x1e0 [ 2182.135384][ T10] [ 2182.137339][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2182.137339][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2182.137339][ T10] ipv6_find_idev+0x102/0x170 [ 2182.137339][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2182.137339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2182.137339][ T10] netlink_rcv_skb+0x130/0x360 [ 2182.137339][ T10] netlink_unicast+0x449/0x710 [ 2182.137339][ T10] netlink_sendmsg+0x723/0xbe0 [ 2182.137339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2182.137339][ T10] ___sys_sendmsg+0xee/0x170 [ 2182.137339][ T10] __sys_sendmsg+0xcd/0x170 [ 2182.137339][ T10] do_syscall_64+0xc6/0x1e0 [ 2182.137339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2182.137339][ T10] [ 2182.138873][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2182.138873][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2182.138873][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2182.138873][ T10] ipv6_find_idev+0x102/0x170 [ 2182.138873][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2182.138873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2182.138873][ T10] netlink_rcv_skb+0x130/0x360 [ 2182.138873][ T10] netlink_unicast+0x449/0x710 [ 2182.138873][ T10] netlink_sendmsg+0x723/0xbe0 [ 2182.138873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2182.138873][ T10] ___sys_sendmsg+0xee/0x170 [ 2182.138873][ T10] __sys_sendmsg+0xcd/0x170 [ 2182.138873][ T10] do_syscall_64+0xc6/0x1e0 [ 2182.138873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2182.138873][ T10] [ 2182.140545][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2182.140810][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2182.140810][ T10] netdev_get_by_index+0x5e/0x80 [ 2182.140810][ T10] fib6_nh_init+0x3d8/0x1580 [ 2182.140810][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2182.140810][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2182.140810][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2182.140810][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2182.140810][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2182.140810][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2182.140810][ T10] addrconf_dad_begin+0x310/0x670 [ 2182.140810][ T10] addrconf_dad_work+0x10b/0xab0 [ 2182.140810][ T10] process_one_work+0x84d/0x18a0 [ 2182.140810][ T10] worker_thread+0x587/0xd30 [ 2182.140810][ T10] kthread+0x28a/0x350 [ 2182.140810][ T10] ret_from_fork+0x31/0x70 [ 2182.140810][ T10] ret_from_fork_asm+0x1a/0x30 [ 2182.140810][ T10] [ 2182.142710][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2182.142710][ T10] netdev_get_by_index+0x5e/0x80 [ 2182.142710][ T10] fib6_nh_init+0x3d8/0x1580 [ 2182.142710][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2182.142710][ T10] ip6_route_add+0x1c/0x140 [ 2182.142710][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2182.142710][ T10] inet6_addr_add+0x4f8/0xa40 [ 2182.142710][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2182.142710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2182.142710][ T10] netlink_rcv_skb+0x130/0x360 [ 2182.142710][ T10] netlink_unicast+0x449/0x710 [ 2182.142710][ T10] netlink_sendmsg+0x723/0xbe0 [ 2182.142710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2182.142710][ T10] ___sys_sendmsg+0xee/0x170 [ 2182.142710][ T10] __sys_sendmsg+0xcd/0x170 [ 2182.142710][ T10] do_syscall_64+0xc6/0x1e0 [ 2182.142710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2182.142710][ T10] [ 2182.144684][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2182.144684][ T10] netdev_get_by_index+0x5e/0x80 [ 2182.144684][ T10] fib6_nh_init+0x3d8/0x1580 [ 2182.144684][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2182.144684][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2182.144684][ T10] ipv6_add_addr+0x411/0x2000 [ 2182.144684][ T10] inet6_addr_add+0x30e/0xa40 [ 2182.144684][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2182.144684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2182.144684][ T10] netlink_rcv_skb+0x130/0x360 [ 2182.144684][ T10] netlink_unicast+0x449/0x710 [ 2182.144684][ T10] netlink_sendmsg+0x723/0xbe0 [ 2182.144684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2182.144684][ T10] ___sys_sendmsg+0xee/0x170 [ 2182.144684][ T10] __sys_sendmsg+0xcd/0x170 [ 2182.144684][ T10] do_syscall_64+0xc6/0x1e0 [ 2182.144684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2182.144684][ T10] [ 2182.146676][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2182.146676][ T10] netdev_get_by_index+0x5e/0x80 [ 2182.146676][ T10] fib6_nh_init+0x3d8/0x1580 [ 2182.146676][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2182.146676][ T10] ip6_route_add+0x1c/0x140 [ 2182.146676][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2182.146676][ T10] addrconf_add_dev+0xe2/0x170 [ 2182.146676][ T10] inet6_addr_add+0x12f/0xa40 [ 2182.146676][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2182.146676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2182.146676][ T10] netlink_rcv_skb+0x130/0x360 [ 2182.146676][ T10] netlink_unicast+0x449/0x710 [ 2182.146676][ T10] netlink_sendmsg+0x723/0xbe0 [ 2182.146676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2182.146676][ T10] ___sys_sendmsg+0xee/0x170 [ 2182.146676][ T10] __sys_sendmsg+0xcd/0x170 [ 2182.146676][ T10] do_syscall_64+0xc6/0x1e0 [ 2182.146676][ T10] [ 2182.148623][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2182.148623][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2182.148623][ T10] ipv6_find_idev+0x102/0x170 [ 2182.148623][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2182.148623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2182.148623][ T10] netlink_rcv_skb+0x130/0x360 [ 2182.148623][ T10] netlink_unicast+0x449/0x710 [ 2182.148623][ T10] netlink_sendmsg+0x723/0xbe0 [ 2182.148623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2182.148623][ T10] ___sys_sendmsg+0xee/0x170 [ 2182.148623][ T10] __sys_sendmsg+0xcd/0x170 [ 2182.148623][ T10] do_syscall_64+0xc6/0x1e0 [ 2182.148623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2182.148623][ T10] [ 2182.150143][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2182.150143][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2182.150143][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2182.150143][ T10] ipv6_find_idev+0x102/0x170 [ 2182.150143][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2182.150143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2182.150143][ T10] netlink_rcv_skb+0x130/0x360 [ 2182.150143][ T10] netlink_unicast+0x449/0x710 [ 2182.150143][ T10] netlink_sendmsg+0x723/0xbe0 [ 2182.150143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2182.150143][ T10] ___sys_sendmsg+0xee/0x170 [ 2182.150143][ T10] __sys_sendmsg+0xcd/0x170 [ 2182.150143][ T10] do_syscall_64+0xc6/0x1e0 [ 2182.150143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2182.150143][ T10] [ 2182.151807][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2182.152046][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2182.152046][ T10] netdev_get_by_index+0x5e/0x80 [ 2182.152046][ T10] fib6_nh_init+0x3d8/0x1580 [ 2182.152046][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2182.152046][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2182.152046][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2182.152046][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2182.152046][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2182.152046][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2182.152046][ T10] addrconf_dad_begin+0x310/0x670 [ 2182.152046][ T10] addrconf_dad_work+0x10b/0xab0 [ 2182.152046][ T10] process_one_work+0x84d/0x18a0 [ 2182.152046][ T10] worker_thread+0x587/0xd30 [ 2182.152046][ T10] kthread+0x28a/0x350 [ 2182.152046][ T10] ret_from_fork+0x31/0x70 [ 2182.152046][ T10] ret_from_fork_asm+0x1a/0x30 [ 2182.152046][ T10] [ 2182.153930][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2182.153930][ T10] netdev_get_by_index+0x5e/0x80 [ 2182.153930][ T10] fib6_nh_init+0x3d8/0x1580 [ 2182.153930][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2182.153930][ T10] ip6_route_add+0x1c/0x140 [ 2182.153930][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2182.153930][ T10] inet6_addr_add+0x4f8/0xa40 [ 2182.153930][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2182.153930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2182.153930][ T10] netlink_rcv_skb+0x130/0x360 [ 2182.153930][ T10] netlink_unicast+0x449/0x710 [ 2182.153930][ T10] netlink_sendmsg+0x723/0xbe0 [ 2182.153930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2182.153930][ T10] ___sys_sendmsg+0xee/0x170 [ 2182.153930][ T10] __sys_sendmsg+0xcd/0x170 [ 2182.153930][ T10] do_syscall_64+0xc6/0x1e0 [ 2182.153930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2182.153930][ T10] [ 2182.156081][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2182.156081][ T10] netdev_get_by_index+0x5e/0x80 [ 2182.156081][ T10] fib6_nh_init+0x3d8/0x1580 [ 2182.156081][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2182.156081][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2182.156081][ T10] ipv6_add_addr+0x411/0x2000 [ 2182.156081][ T10] inet6_addr_add+0x30e/0xa40 [ 2182.156081][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2182.156081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2182.156081][ T10] netlink_rcv_skb+0x130/0x360 [ 2182.156081][ T10] netlink_unicast+0x449/0x710 [ 2182.156081][ T10] netlink_sendmsg+0x723/0xbe0 [ 2182.156081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2182.156081][ T10] ___sys_sendmsg+0xee/0x170 [ 2182.156081][ T10] __sys_sendmsg+0xcd/0x170 [ 2182.156081][ T10] do_syscall_64+0xc6/0x1e0 [ 2182.156081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2182.156081][ T10] [ 2182.158297][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2182.158297][ T10] netdev_get_by_index+0x5e/0x80 [ 2182.158297][ T10] fib6_nh_init+0x3d8/0x1580 [ 2182.158297][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2182.158297][ T10] ip6_route_add+0x1c/0x140 [ 2182.158297][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2182.158297][ T10] addrconf_add_dev+0xe2/0x170 [ 2182.158297][ T10] inet6_addr_add+0x12f/0xa40 [ 2182.158297][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2182.158297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2182.158297][ T10] netlink_rcv_skb+0x130/0x360 [ 2182.158297][ T10] netlink_unicast+0x449/0x710 [ 2182.158297][ T10] netlink_sendmsg+0x723/0xbe0 [ 2182.158297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2182.158297][ T10] ___sys_sendmsg+0xee/0x170 [ 2182.158297][ T10] __sys_sendmsg+0xcd/0x170 [ 2182.158297][ T10] do_syscall_64+0xc6/0x1e0 [ 2182.158297][ T10] [ 2182.160483][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2182.160483][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2182.160483][ T10] ipv6_find_idev+0x102/0x170 [ 2182.160483][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2182.160483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2182.160483][ T10] netlink_rcv_skb+0x130/0x360 [ 2182.160483][ T10] netlink_unicast+0x449/0x710 [ 2182.160483][ T10] netlink_sendmsg+0x723/0xbe0 [ 2182.160483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2182.160483][ T10] ___sys_sendmsg+0xee/0x170 [ 2182.160483][ T10] __sys_sendmsg+0xcd/0x170 [ 2182.160483][ T10] do_syscall_64+0xc6/0x1e0 [ 2182.160483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2182.160483][ T10] [ 2182.162256][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2182.162256][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2182.162256][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2182.162256][ T10] ipv6_find_idev+0x102/0x170 [ 2182.162256][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2182.162256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2182.162256][ T10] netlink_rcv_skb+0x130/0x360 [ 2182.162256][ T10] netlink_unicast+0x449/0x710 [ 2182.162256][ T10] netlink_sendmsg+0x723/0xbe0 [ 2182.162256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2182.162256][ T10] ___sys_sendmsg+0xee/0x170 [ 2182.162256][ T10] __sys_sendmsg+0xcd/0x170 [ 2182.162256][ T10] do_syscall_64+0xc6/0x1e0 [ 2182.162256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2182.162256][ T10] [ 2182.164102][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2182.164332][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2182.164332][ T10] netdev_get_by_index+0x5e/0x80 [ 2182.164332][ T10] fib6_nh_init+0x3d8/0x1580 [ 2182.164332][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2182.164332][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2182.164332][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2182.164332][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2182.164332][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2182.164332][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2182.164332][ T10] addrconf_dad_begin+0x310/0x670 [ 2182.164332][ T10] addrconf_dad_work+0x10b/0xab0 [ 2182.164332][ T10] process_one_work+0x84d/0x18a0 [ 2182.164332][ T10] worker_thread+0x587/0xd30 [ 2182.164332][ T10] kthread+0x28a/0x350 [ 2182.164332][ T10] ret_from_fork+0x31/0x70 [ 2182.164332][ T10] ret_from_fork_asm+0x1a/0x30 [ 2182.164332][ T10] [ 2182.166457][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2182.166457][ T10] netdev_get_by_index+0x5e/0x80 [ 2182.166457][ T10] fib6_nh_init+0x3d8/0x1580 [ 2182.166457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2182.166457][ T10] ip6_route_add+0x1c/0x140 [ 2182.166457][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2182.166457][ T10] inet6_addr_add+0x4f8/0xa40 [ 2182.166457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2182.166457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2182.166457][ T10] netlink_rcv_skb+0x130/0x360 [ 2182.166457][ T10] netlink_unicast+0x449/0x710 [ 2182.166457][ T10] netlink_sendmsg+0x723/0xbe0 [ 2182.166457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2182.166457][ T10] ___sys_sendmsg+0xee/0x170 [ 2182.166457][ T10] __sys_sendmsg+0xcd/0x170 [ 2182.166457][ T10] do_syscall_64+0xc6/0x1e0 [ 2182.166457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2182.166457][ T10] [ 2182.168699][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2182.168699][ T10] netdev_get_by_index+0x5e/0x80 [ 2182.168699][ T10] fib6_nh_init+0x3d8/0x1580 [ 2182.168699][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2182.168699][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2182.168699][ T10] ipv6_add_addr+0x411/0x2000 [ 2182.168699][ T10] inet6_addr_add+0x30e/0xa40 [ 2182.168699][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2182.168699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2182.168699][ T10] netlink_rcv_skb+0x130/0x360 [ 2182.168699][ T10] netlink_unicast+0x449/0x710 [ 2182.168699][ T10] netlink_sendmsg+0x723/0xbe0 [ 2182.168699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2182.168699][ T10] ___sys_sendmsg+0xee/0x170 [ 2182.168699][ T10] __sys_sendmsg+0xcd/0x170 [ 2182.168699][ T10] do_syscall_64+0xc6/0x1e0 [ 2182.168699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2182.168699][ T10] [ 2182.170987][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2182.170987][ T10] netdev_get_by_index+0x5e/0x80 [ 2182.170987][ T10] fib6_nh_init+0x3d8/0x1580 [ 2182.170987][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2182.170987][ T10] ip6_route_add+0x1c/0x140 [ 2182.170987][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2182.170987][ T10] addrconf_add_dev+0xe2/0x170 [ 2182.170987][ T10] inet6_addr_add+0x12f/0xa40 [ 2182.170987][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2182.170987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2182.170987][ T10] netlink_rcv_skb+0x130/0x360 [ 2182.170987][ T10] netlink_unicast+0x449/0x710 [ 2182.170987][ T10] netlink_sendmsg+0x723/0xbe0 [ 2182.170987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2182.170987][ T10] ___sys_sendmsg+0xee/0x170 [ 2182.170987][ T10] __sys_sendmsg+0xcd/0x170 [ 2182.170987][ T10] do_syscall_64+0xc6/0x1e0 [ 2182.170987][ T10] [ 2182.173108][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2182.173108][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2182.173108][ T10] ipv6_find_idev+0x102/0x170 [ 2182.173108][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2182.173108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2182.173108][ T10] netlink_rcv_skb+0x130/0x360 [ 2182.173108][ T10] netlink_unicast+0x449/0x710 [ 2182.173108][ T10] netlink_sendmsg+0x723/0xbe0 [ 2182.173108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2182.173108][ T10] ___sys_sendmsg+0xee/0x170 [ 2182.173108][ T10] __sys_sendmsg+0xcd/0x170 [ 2182.173108][ T10] do_syscall_64+0xc6/0x1e0 [ 2182.173108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2182.173108][ T10] [ 2182.174813][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2182.174813][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2182.174813][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2182.174813][ T10] ipv6_find_idev+0x102/0x170 [ 2182.174813][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2182.174813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2182.174813][ T10] netlink_rcv_skb+0x130/0x360 [ 2182.174813][ T10] netlink_unicast+0x449/0x710 [ 2182.174813][ T10] netlink_sendmsg+0x723/0xbe0 [ 2182.174813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2182.174813][ T10] ___sys_sendmsg+0xee/0x170 [ 2182.174813][ T10] __sys_sendmsg+0xcd/0x170 [ 2182.174813][ T10] do_syscall_64+0xc6/0x1e0 [ 2182.174813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2182.174813][ T10] [ 2186.481075][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2186.481591][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2186.481591][ T1167] dst_init+0x84/0x4a0 [ 2186.481591][ T1167] dst_alloc+0x97/0x150 [ 2186.481591][ T1167] ip6_dst_alloc+0x23/0x90 [ 2186.481591][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2186.481591][ T1167] ip6_pol_route+0x56f/0x840 [ 2186.481591][ T1167] fib6_rule_lookup+0x334/0x630 [ 2186.481591][ T1167] ip6_route_output_flags+0x259/0x480 [ 2186.481591][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2186.481591][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2186.481591][ T1167] netlink_rcv_skb+0x130/0x360 [ 2186.481591][ T1167] netlink_unicast+0x449/0x710 [ 2186.481591][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2186.481591][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2186.481591][ T1167] ___sys_sendmsg+0xee/0x170 [ 2186.481591][ T1167] __sys_sendmsg+0xcd/0x170 [ 2186.481591][ T1167] do_syscall_64+0xc6/0x1e0 [ 2186.481591][ T1167] [ 2186.483786][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2186.483786][ T1167] netdev_get_by_index+0x5e/0x80 [ 2186.483786][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2186.483786][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2186.483786][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2186.483786][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2186.483786][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2186.483786][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2186.483786][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2186.483786][ T1167] addrconf_dad_begin+0x310/0x670 [ 2186.483786][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2186.483786][ T1167] process_one_work+0x84d/0x18a0 [ 2186.483786][ T1167] worker_thread+0x587/0xd30 [ 2186.483786][ T1167] kthread+0x28a/0x350 [ 2186.483786][ T1167] ret_from_fork+0x31/0x70 [ 2186.483786][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2186.483786][ T1167] [ 2186.485933][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2186.485933][ T1167] netdev_get_by_index+0x5e/0x80 [ 2186.485933][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2186.485933][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2186.485933][ T1167] ip6_route_add+0x1c/0x140 [ 2186.485933][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2186.485933][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2186.485933][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2186.485933][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.485933][ T1167] netlink_rcv_skb+0x130/0x360 [ 2186.485933][ T1167] netlink_unicast+0x449/0x710 [ 2186.485933][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2186.485933][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2186.485933][ T1167] ___sys_sendmsg+0xee/0x170 [ 2186.485933][ T1167] __sys_sendmsg+0xcd/0x170 [ 2186.485933][ T1167] do_syscall_64+0xc6/0x1e0 [ 2186.485933][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.485933][ T1167] [ 2186.488180][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2186.488180][ T1167] netdev_get_by_index+0x5e/0x80 [ 2186.488180][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2186.488180][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2186.488180][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2186.488180][ T1167] ipv6_add_addr+0x411/0x2000 [ 2186.488180][ T1167] inet6_addr_add+0x30e/0xa40 [ 2186.488180][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2186.488180][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.488180][ T1167] netlink_rcv_skb+0x130/0x360 [ 2186.488180][ T1167] netlink_unicast+0x449/0x710 [ 2186.488180][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2186.488180][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2186.488180][ T1167] ___sys_sendmsg+0xee/0x170 [ 2186.488180][ T1167] __sys_sendmsg+0xcd/0x170 [ 2186.488180][ T1167] do_syscall_64+0xc6/0x1e0 [ 2186.488180][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.488180][ T1167] [ 2186.490426][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2186.490426][ T1167] netdev_get_by_index+0x5e/0x80 [ 2186.490426][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2186.490426][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2186.490426][ T1167] ip6_route_add+0x1c/0x140 [ 2186.490426][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2186.490426][ T1167] addrconf_add_dev+0xe2/0x170 [ 2186.490426][ T1167] inet6_addr_add+0x12f/0xa40 [ 2186.490426][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2186.490426][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.490426][ T1167] netlink_rcv_skb+0x130/0x360 [ 2186.490426][ T1167] netlink_unicast+0x449/0x710 [ 2186.490426][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2186.490426][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2186.490426][ T1167] ___sys_sendmsg+0xee/0x170 [ 2186.490426][ T1167] __sys_sendmsg+0xcd/0x170 [ 2186.490426][ T1167] do_syscall_64+0xc6/0x1e0 [ 2186.490426][ T1167] [ 2186.492630][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2186.492630][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2186.492630][ T1167] ipv6_find_idev+0x102/0x170 [ 2186.492630][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2186.492630][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.492630][ T1167] netlink_rcv_skb+0x130/0x360 [ 2186.492630][ T1167] netlink_unicast+0x449/0x710 [ 2186.492630][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2186.492630][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2186.492630][ T1167] ___sys_sendmsg+0xee/0x170 [ 2186.492630][ T1167] __sys_sendmsg+0xcd/0x170 [ 2186.492630][ T1167] do_syscall_64+0xc6/0x1e0 [ 2186.492630][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.492630][ T1167] [ 2186.494362][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2186.494362][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2186.494362][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2186.494362][ T1167] ipv6_find_idev+0x102/0x170 [ 2186.494362][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2186.494362][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.494362][ T1167] netlink_rcv_skb+0x130/0x360 [ 2186.494362][ T1167] netlink_unicast+0x449/0x710 [ 2186.494362][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2186.494362][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2186.494362][ T1167] ___sys_sendmsg+0xee/0x170 [ 2186.494362][ T1167] __sys_sendmsg+0xcd/0x170 [ 2186.494362][ T1167] do_syscall_64+0xc6/0x1e0 [ 2186.494362][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.494362][ T1167] [ 2192.417130][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2192.417509][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2192.417509][ T10] netdev_get_by_index+0x5e/0x80 [ 2192.417509][ T10] fib6_nh_init+0x3d8/0x1580 [ 2192.417509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2192.417509][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2192.417509][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2192.417509][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2192.417509][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2192.417509][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2192.417509][ T10] addrconf_dad_begin+0x310/0x670 [ 2192.417509][ T10] addrconf_dad_work+0x10b/0xab0 [ 2192.417509][ T10] process_one_work+0x84d/0x18a0 [ 2192.417509][ T10] worker_thread+0x587/0xd30 [ 2192.417509][ T10] kthread+0x28a/0x350 [ 2192.417509][ T10] ret_from_fork+0x31/0x70 [ 2192.417509][ T10] ret_from_fork_asm+0x1a/0x30 [ 2192.417509][ T10] [ 2192.419630][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2192.419630][ T10] netdev_get_by_index+0x5e/0x80 [ 2192.419630][ T10] fib6_nh_init+0x3d8/0x1580 [ 2192.419630][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2192.419630][ T10] ip6_route_add+0x1c/0x140 [ 2192.419630][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2192.419630][ T10] inet6_addr_add+0x4f8/0xa40 [ 2192.419630][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2192.419630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2192.419630][ T10] netlink_rcv_skb+0x130/0x360 [ 2192.419630][ T10] netlink_unicast+0x449/0x710 [ 2192.419630][ T10] netlink_sendmsg+0x723/0xbe0 [ 2192.419630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2192.419630][ T10] ___sys_sendmsg+0xee/0x170 [ 2192.419630][ T10] __sys_sendmsg+0xcd/0x170 [ 2192.419630][ T10] do_syscall_64+0xc6/0x1e0 [ 2192.419630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2192.419630][ T10] [ 2192.421791][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2192.421791][ T10] netdev_get_by_index+0x5e/0x80 [ 2192.421791][ T10] fib6_nh_init+0x3d8/0x1580 [ 2192.421791][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2192.421791][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2192.421791][ T10] ipv6_add_addr+0x411/0x2000 [ 2192.421791][ T10] inet6_addr_add+0x30e/0xa40 [ 2192.421791][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2192.421791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2192.421791][ T10] netlink_rcv_skb+0x130/0x360 [ 2192.421791][ T10] netlink_unicast+0x449/0x710 [ 2192.421791][ T10] netlink_sendmsg+0x723/0xbe0 [ 2192.421791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2192.421791][ T10] ___sys_sendmsg+0xee/0x170 [ 2192.421791][ T10] __sys_sendmsg+0xcd/0x170 [ 2192.421791][ T10] do_syscall_64+0xc6/0x1e0 [ 2192.421791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2192.421791][ T10] [ 2192.423952][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2192.423952][ T10] netdev_get_by_index+0x5e/0x80 [ 2192.423952][ T10] fib6_nh_init+0x3d8/0x1580 [ 2192.423952][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2192.423952][ T10] ip6_route_add+0x1c/0x140 [ 2192.423952][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2192.423952][ T10] addrconf_add_dev+0xe2/0x170 [ 2192.423952][ T10] inet6_addr_add+0x12f/0xa40 [ 2192.423952][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2192.423952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2192.423952][ T10] netlink_rcv_skb+0x130/0x360 [ 2192.423952][ T10] netlink_unicast+0x449/0x710 [ 2192.423952][ T10] netlink_sendmsg+0x723/0xbe0 [ 2192.423952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2192.423952][ T10] ___sys_sendmsg+0xee/0x170 [ 2192.423952][ T10] __sys_sendmsg+0xcd/0x170 [ 2192.423952][ T10] do_syscall_64+0xc6/0x1e0 [ 2192.423952][ T10] [ 2192.426078][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2192.426078][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2192.426078][ T10] ipv6_find_idev+0x102/0x170 [ 2192.426078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2192.426078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2192.426078][ T10] netlink_rcv_skb+0x130/0x360 [ 2192.426078][ T10] netlink_unicast+0x449/0x710 [ 2192.426078][ T10] netlink_sendmsg+0x723/0xbe0 [ 2192.426078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2192.426078][ T10] ___sys_sendmsg+0xee/0x170 [ 2192.426078][ T10] __sys_sendmsg+0xcd/0x170 [ 2192.426078][ T10] do_syscall_64+0xc6/0x1e0 [ 2192.426078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2192.426078][ T10] [ 2192.427764][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2192.427764][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2192.427764][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2192.427764][ T10] ipv6_find_idev+0x102/0x170 [ 2192.427764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2192.427764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2192.427764][ T10] netlink_rcv_skb+0x130/0x360 [ 2192.427764][ T10] netlink_unicast+0x449/0x710 [ 2192.427764][ T10] netlink_sendmsg+0x723/0xbe0 [ 2192.427764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2192.427764][ T10] ___sys_sendmsg+0xee/0x170 [ 2192.427764][ T10] __sys_sendmsg+0xcd/0x170 [ 2192.427764][ T10] do_syscall_64+0xc6/0x1e0 [ 2192.427764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2192.427764][ T10] [ 2192.429598][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2192.429861][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2192.429861][ T10] netdev_get_by_index+0x5e/0x80 [ 2192.429861][ T10] fib6_nh_init+0x3d8/0x1580 [ 2192.429861][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2192.429861][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2192.429861][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2192.429861][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2192.429861][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2192.429861][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2192.429861][ T10] addrconf_dad_begin+0x310/0x670 [ 2192.429861][ T10] addrconf_dad_work+0x10b/0xab0 [ 2192.429861][ T10] process_one_work+0x84d/0x18a0 [ 2192.429861][ T10] worker_thread+0x587/0xd30 [ 2192.429861][ T10] kthread+0x28a/0x350 [ 2192.429861][ T10] ret_from_fork+0x31/0x70 [ 2192.429861][ T10] ret_from_fork_asm+0x1a/0x30 [ 2192.429861][ T10] [ 2192.431931][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2192.431931][ T10] netdev_get_by_index+0x5e/0x80 [ 2192.431931][ T10] fib6_nh_init+0x3d8/0x1580 [ 2192.431931][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2192.431931][ T10] ip6_route_add+0x1c/0x140 [ 2192.431931][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2192.431931][ T10] inet6_addr_add+0x4f8/0xa40 [ 2192.431931][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2192.431931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2192.431931][ T10] netlink_rcv_skb+0x130/0x360 [ 2192.431931][ T10] netlink_unicast+0x449/0x710 [ 2192.431931][ T10] netlink_sendmsg+0x723/0xbe0 [ 2192.431931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2192.431931][ T10] ___sys_sendmsg+0xee/0x170 [ 2192.431931][ T10] __sys_sendmsg+0xcd/0x170 [ 2192.431931][ T10] do_syscall_64+0xc6/0x1e0 [ 2192.431931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2192.431931][ T10] [ 2192.434115][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2192.434115][ T10] netdev_get_by_index+0x5e/0x80 [ 2192.434115][ T10] fib6_nh_init+0x3d8/0x1580 [ 2192.434115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2192.434115][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2192.434115][ T10] ipv6_add_addr+0x411/0x2000 [ 2192.434115][ T10] inet6_addr_add+0x30e/0xa40 [ 2192.434115][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2192.434115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2192.434115][ T10] netlink_rcv_skb+0x130/0x360 [ 2192.434115][ T10] netlink_unicast+0x449/0x710 [ 2192.434115][ T10] netlink_sendmsg+0x723/0xbe0 [ 2192.434115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2192.434115][ T10] ___sys_sendmsg+0xee/0x170 [ 2192.434115][ T10] __sys_sendmsg+0xcd/0x170 [ 2192.434115][ T10] do_syscall_64+0xc6/0x1e0 [ 2192.434115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2192.434115][ T10] [ 2192.436239][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2192.436239][ T10] netdev_get_by_index+0x5e/0x80 [ 2192.436239][ T10] fib6_nh_init+0x3d8/0x1580 [ 2192.436239][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2192.436239][ T10] ip6_route_add+0x1c/0x140 [ 2192.436239][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2192.436239][ T10] addrconf_add_dev+0xe2/0x170 [ 2192.436239][ T10] inet6_addr_add+0x12f/0xa40 [ 2192.436239][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2192.436239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2192.436239][ T10] netlink_rcv_skb+0x130/0x360 [ 2192.436239][ T10] netlink_unicast+0x449/0x710 [ 2192.436239][ T10] netlink_sendmsg+0x723/0xbe0 [ 2192.436239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2192.436239][ T10] ___sys_sendmsg+0xee/0x170 [ 2192.436239][ T10] __sys_sendmsg+0xcd/0x170 [ 2192.436239][ T10] do_syscall_64+0xc6/0x1e0 [ 2192.436239][ T10] [ 2192.438331][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2192.438331][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2192.438331][ T10] ipv6_find_idev+0x102/0x170 [ 2192.438331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2192.438331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2192.438331][ T10] netlink_rcv_skb+0x130/0x360 [ 2192.438331][ T10] netlink_unicast+0x449/0x710 [ 2192.438331][ T10] netlink_sendmsg+0x723/0xbe0 [ 2192.438331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2192.438331][ T10] ___sys_sendmsg+0xee/0x170 [ 2192.438331][ T10] __sys_sendmsg+0xcd/0x170 [ 2192.438331][ T10] do_syscall_64+0xc6/0x1e0 [ 2192.438331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2192.438331][ T10] [ 2192.439956][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2192.439956][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2192.439956][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2192.439956][ T10] ipv6_find_idev+0x102/0x170 [ 2192.439956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2192.439956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2192.439956][ T10] netlink_rcv_skb+0x130/0x360 [ 2192.439956][ T10] netlink_unicast+0x449/0x710 [ 2192.439956][ T10] netlink_sendmsg+0x723/0xbe0 [ 2192.439956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2192.439956][ T10] ___sys_sendmsg+0xee/0x170 [ 2192.439956][ T10] __sys_sendmsg+0xcd/0x170 [ 2192.439956][ T10] do_syscall_64+0xc6/0x1e0 [ 2192.439956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2192.439956][ T10] [ 2192.441763][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2192.442020][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2192.442020][ T10] netdev_get_by_index+0x5e/0x80 [ 2192.442020][ T10] fib6_nh_init+0x3d8/0x1580 [ 2192.442020][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2192.442020][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2192.442020][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2192.442020][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2192.442020][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2192.442020][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2192.442020][ T10] addrconf_dad_begin+0x310/0x670 [ 2192.442020][ T10] addrconf_dad_work+0x10b/0xab0 [ 2192.442020][ T10] process_one_work+0x84d/0x18a0 [ 2192.442020][ T10] worker_thread+0x587/0xd30 [ 2192.442020][ T10] kthread+0x28a/0x350 [ 2192.442020][ T10] ret_from_fork+0x31/0x70 [ 2192.442020][ T10] ret_from_fork_asm+0x1a/0x30 [ 2192.442020][ T10] [ 2192.443944][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2192.443944][ T10] netdev_get_by_index+0x5e/0x80 [ 2192.443944][ T10] fib6_nh_init+0x3d8/0x1580 [ 2192.443944][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2192.443944][ T10] ip6_route_add+0x1c/0x140 [ 2192.443944][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2192.443944][ T10] inet6_addr_add+0x4f8/0xa40 [ 2192.443944][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2192.443944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2192.443944][ T10] netlink_rcv_skb+0x130/0x360 [ 2192.443944][ T10] netlink_unicast+0x449/0x710 [ 2192.443944][ T10] netlink_sendmsg+0x723/0xbe0 [ 2192.443944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2192.443944][ T10] ___sys_sendmsg+0xee/0x170 [ 2192.443944][ T10] __sys_sendmsg+0xcd/0x170 [ 2192.443944][ T10] do_syscall_64+0xc6/0x1e0 [ 2192.443944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2192.443944][ T10] [ 2192.446109][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2192.446109][ T10] netdev_get_by_index+0x5e/0x80 [ 2192.446109][ T10] fib6_nh_init+0x3d8/0x1580 [ 2192.446109][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2192.446109][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2192.446109][ T10] ipv6_add_addr+0x411/0x2000 [ 2192.446109][ T10] inet6_addr_add+0x30e/0xa40 [ 2192.446109][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2192.446109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2192.446109][ T10] netlink_rcv_skb+0x130/0x360 [ 2192.446109][ T10] netlink_unicast+0x449/0x710 [ 2192.446109][ T10] netlink_sendmsg+0x723/0xbe0 [ 2192.446109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2192.446109][ T10] ___sys_sendmsg+0xee/0x170 [ 2192.446109][ T10] __sys_sendmsg+0xcd/0x170 [ 2192.446109][ T10] do_syscall_64+0xc6/0x1e0 [ 2192.446109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2192.446109][ T10] [ 2192.448365][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2192.448365][ T10] netdev_get_by_index+0x5e/0x80 [ 2192.448365][ T10] fib6_nh_init+0x3d8/0x1580 [ 2192.448365][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2192.448365][ T10] ip6_route_add+0x1c/0x140 [ 2192.448365][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2192.448365][ T10] addrconf_add_dev+0xe2/0x170 [ 2192.448365][ T10] inet6_addr_add+0x12f/0xa40 [ 2192.448365][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2192.448365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2192.448365][ T10] netlink_rcv_skb+0x130/0x360 [ 2192.448365][ T10] netlink_unicast+0x449/0x710 [ 2192.448365][ T10] netlink_sendmsg+0x723/0xbe0 [ 2192.448365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2192.448365][ T10] ___sys_sendmsg+0xee/0x170 [ 2192.448365][ T10] __sys_sendmsg+0xcd/0x170 [ 2192.448365][ T10] do_syscall_64+0xc6/0x1e0 [ 2192.448365][ T10] [ 2192.450614][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2192.450614][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2192.450614][ T10] ipv6_find_idev+0x102/0x170 [ 2192.450614][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2192.450614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2192.450614][ T10] netlink_rcv_skb+0x130/0x360 [ 2192.450614][ T10] netlink_unicast+0x449/0x710 [ 2192.450614][ T10] netlink_sendmsg+0x723/0xbe0 [ 2192.450614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2192.450614][ T10] ___sys_sendmsg+0xee/0x170 [ 2192.450614][ T10] __sys_sendmsg+0xcd/0x170 [ 2192.450614][ T10] do_syscall_64+0xc6/0x1e0 [ 2192.450614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2192.450614][ T10] [ 2192.452345][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2192.452345][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2192.452345][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2192.452345][ T10] ipv6_find_idev+0x102/0x170 [ 2192.452345][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2192.452345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2192.452345][ T10] netlink_rcv_skb+0x130/0x360 [ 2192.452345][ T10] netlink_unicast+0x449/0x710 [ 2192.452345][ T10] netlink_sendmsg+0x723/0xbe0 [ 2192.452345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2192.452345][ T10] ___sys_sendmsg+0xee/0x170 [ 2192.452345][ T10] __sys_sendmsg+0xcd/0x170 [ 2192.452345][ T10] do_syscall_64+0xc6/0x1e0 [ 2192.452345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2192.452345][ T10] [ 2192.454208][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2192.454452][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2192.454452][ T10] netdev_get_by_index+0x5e/0x80 [ 2192.454452][ T10] fib6_nh_init+0x3d8/0x1580 [ 2192.454452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2192.454452][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2192.454452][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2192.454452][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2192.454452][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2192.454452][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2192.454452][ T10] addrconf_dad_begin+0x310/0x670 [ 2192.454452][ T10] addrconf_dad_work+0x10b/0xab0 [ 2192.454452][ T10] process_one_work+0x84d/0x18a0 [ 2192.454452][ T10] worker_thread+0x587/0xd30 [ 2192.454452][ T10] kthread+0x28a/0x350 [ 2192.454452][ T10] ret_from_fork+0x31/0x70 [ 2192.454452][ T10] ret_from_fork_asm+0x1a/0x30 [ 2192.454452][ T10] [ 2192.456624][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2192.456624][ T10] netdev_get_by_index+0x5e/0x80 [ 2192.456624][ T10] fib6_nh_init+0x3d8/0x1580 [ 2192.456624][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2192.456624][ T10] ip6_route_add+0x1c/0x140 [ 2192.456624][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2192.456624][ T10] inet6_addr_add+0x4f8/0xa40 [ 2192.456624][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2192.456624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2192.456624][ T10] netlink_rcv_skb+0x130/0x360 [ 2192.456624][ T10] netlink_unicast+0x449/0x710 [ 2192.456624][ T10] netlink_sendmsg+0x723/0xbe0 [ 2192.456624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2192.456624][ T10] ___sys_sendmsg+0xee/0x170 [ 2192.456624][ T10] __sys_sendmsg+0xcd/0x170 [ 2192.456624][ T10] do_syscall_64+0xc6/0x1e0 [ 2192.456624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2192.456624][ T10] [ 2192.458959][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2192.458959][ T10] netdev_get_by_index+0x5e/0x80 [ 2192.458959][ T10] fib6_nh_init+0x3d8/0x1580 [ 2192.458959][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2192.458959][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2192.458959][ T10] ipv6_add_addr+0x411/0x2000 [ 2192.458959][ T10] inet6_addr_add+0x30e/0xa40 [ 2192.458959][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2192.458959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2192.458959][ T10] netlink_rcv_skb+0x130/0x360 [ 2192.458959][ T10] netlink_unicast+0x449/0x710 [ 2192.458959][ T10] netlink_sendmsg+0x723/0xbe0 [ 2192.458959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2192.458959][ T10] ___sys_sendmsg+0xee/0x170 [ 2192.458959][ T10] __sys_sendmsg+0xcd/0x170 [ 2192.458959][ T10] do_syscall_64+0xc6/0x1e0 [ 2192.458959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2192.458959][ T10] [ 2192.461185][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2192.461185][ T10] netdev_get_by_index+0x5e/0x80 [ 2192.461185][ T10] fib6_nh_init+0x3d8/0x1580 [ 2192.461185][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2192.461185][ T10] ip6_route_add+0x1c/0x140 [ 2192.461185][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2192.461185][ T10] addrconf_add_dev+0xe2/0x170 [ 2192.461185][ T10] inet6_addr_add+0x12f/0xa40 [ 2192.461185][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2192.461185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2192.461185][ T10] netlink_rcv_skb+0x130/0x360 [ 2192.461185][ T10] netlink_unicast+0x449/0x710 [ 2192.461185][ T10] netlink_sendmsg+0x723/0xbe0 [ 2192.461185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2192.461185][ T10] ___sys_sendmsg+0xee/0x170 [ 2192.461185][ T10] __sys_sendmsg+0xcd/0x170 [ 2192.461185][ T10] do_syscall_64+0xc6/0x1e0 [ 2192.461185][ T10] [ 2192.463309][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2192.463309][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2192.463309][ T10] ipv6_find_idev+0x102/0x170 [ 2192.463309][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2192.463309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2192.463309][ T10] netlink_rcv_skb+0x130/0x360 [ 2192.463309][ T10] netlink_unicast+0x449/0x710 [ 2192.463309][ T10] netlink_sendmsg+0x723/0xbe0 [ 2192.463309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2192.463309][ T10] ___sys_sendmsg+0xee/0x170 [ 2192.463309][ T10] __sys_sendmsg+0xcd/0x170 [ 2192.463309][ T10] do_syscall_64+0xc6/0x1e0 [ 2192.463309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2192.463309][ T10] [ 2192.465016][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2192.465016][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2192.465016][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2192.465016][ T10] ipv6_find_idev+0x102/0x170 [ 2192.465016][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2192.465016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2192.465016][ T10] netlink_rcv_skb+0x130/0x360 [ 2192.465016][ T10] netlink_unicast+0x449/0x710 [ 2192.465016][ T10] netlink_sendmsg+0x723/0xbe0 [ 2192.465016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2192.465016][ T10] ___sys_sendmsg+0xee/0x170 [ 2192.465016][ T10] __sys_sendmsg+0xcd/0x170 [ 2192.465016][ T10] do_syscall_64+0xc6/0x1e0 [ 2192.465016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2192.465016][ T10] [ 2196.737101][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2196.737532][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2196.737532][ T1167] dst_init+0x84/0x4a0 [ 2196.737532][ T1167] dst_alloc+0x97/0x150 [ 2196.737532][ T1167] ip6_dst_alloc+0x23/0x90 [ 2196.737532][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2196.737532][ T1167] ip6_pol_route+0x56f/0x840 [ 2196.737532][ T1167] fib6_rule_lookup+0x334/0x630 [ 2196.737532][ T1167] ip6_route_output_flags+0x259/0x480 [ 2196.737532][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2196.737532][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2196.737532][ T1167] netlink_rcv_skb+0x130/0x360 [ 2196.737532][ T1167] netlink_unicast+0x449/0x710 [ 2196.737532][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2196.737532][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2196.737532][ T1167] ___sys_sendmsg+0xee/0x170 [ 2196.737532][ T1167] __sys_sendmsg+0xcd/0x170 [ 2196.737532][ T1167] do_syscall_64+0xc6/0x1e0 [ 2196.737532][ T1167] [ 2196.739735][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2196.739735][ T1167] netdev_get_by_index+0x5e/0x80 [ 2196.739735][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2196.739735][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2196.739735][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2196.739735][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2196.739735][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2196.739735][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2196.739735][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2196.739735][ T1167] addrconf_dad_begin+0x310/0x670 [ 2196.739735][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2196.739735][ T1167] process_one_work+0x84d/0x18a0 [ 2196.739735][ T1167] worker_thread+0x587/0xd30 [ 2196.739735][ T1167] kthread+0x28a/0x350 [ 2196.739735][ T1167] ret_from_fork+0x31/0x70 [ 2196.739735][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2196.739735][ T1167] [ 2196.741951][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2196.741951][ T1167] netdev_get_by_index+0x5e/0x80 [ 2196.741951][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2196.741951][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2196.741951][ T1167] ip6_route_add+0x1c/0x140 [ 2196.741951][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2196.741951][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2196.741951][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2196.741951][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.741951][ T1167] netlink_rcv_skb+0x130/0x360 [ 2196.741951][ T1167] netlink_unicast+0x449/0x710 [ 2196.741951][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2196.741951][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2196.741951][ T1167] ___sys_sendmsg+0xee/0x170 [ 2196.741951][ T1167] __sys_sendmsg+0xcd/0x170 [ 2196.741951][ T1167] do_syscall_64+0xc6/0x1e0 [ 2196.741951][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.741951][ T1167] [ 2196.744232][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2196.744232][ T1167] netdev_get_by_index+0x5e/0x80 [ 2196.744232][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2196.744232][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2196.744232][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2196.744232][ T1167] ipv6_add_addr+0x411/0x2000 [ 2196.744232][ T1167] inet6_addr_add+0x30e/0xa40 [ 2196.744232][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2196.744232][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.744232][ T1167] netlink_rcv_skb+0x130/0x360 [ 2196.744232][ T1167] netlink_unicast+0x449/0x710 [ 2196.744232][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2196.744232][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2196.744232][ T1167] ___sys_sendmsg+0xee/0x170 [ 2196.744232][ T1167] __sys_sendmsg+0xcd/0x170 [ 2196.744232][ T1167] do_syscall_64+0xc6/0x1e0 [ 2196.744232][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.744232][ T1167] [ 2196.746504][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2196.746504][ T1167] netdev_get_by_index+0x5e/0x80 [ 2196.746504][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2196.746504][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2196.746504][ T1167] ip6_route_add+0x1c/0x140 [ 2196.746504][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2196.746504][ T1167] addrconf_add_dev+0xe2/0x170 [ 2196.746504][ T1167] inet6_addr_add+0x12f/0xa40 [ 2196.746504][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2196.746504][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.746504][ T1167] netlink_rcv_skb+0x130/0x360 [ 2196.746504][ T1167] netlink_unicast+0x449/0x710 [ 2196.746504][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2196.746504][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2196.746504][ T1167] ___sys_sendmsg+0xee/0x170 [ 2196.746504][ T1167] __sys_sendmsg+0xcd/0x170 [ 2196.746504][ T1167] do_syscall_64+0xc6/0x1e0 [ 2196.746504][ T1167] [ 2196.748757][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2196.748757][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2196.748757][ T1167] ipv6_find_idev+0x102/0x170 [ 2196.748757][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2196.748757][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.748757][ T1167] netlink_rcv_skb+0x130/0x360 [ 2196.748757][ T1167] netlink_unicast+0x449/0x710 [ 2196.748757][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2196.748757][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2196.748757][ T1167] ___sys_sendmsg+0xee/0x170 [ 2196.748757][ T1167] __sys_sendmsg+0xcd/0x170 [ 2196.748757][ T1167] do_syscall_64+0xc6/0x1e0 [ 2196.748757][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.748757][ T1167] [ 2196.750479][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2196.750479][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2196.750479][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2196.750479][ T1167] ipv6_find_idev+0x102/0x170 [ 2196.750479][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2196.750479][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.750479][ T1167] netlink_rcv_skb+0x130/0x360 [ 2196.750479][ T1167] netlink_unicast+0x449/0x710 [ 2196.750479][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2196.750479][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2196.750479][ T1167] ___sys_sendmsg+0xee/0x170 [ 2196.750479][ T1167] __sys_sendmsg+0xcd/0x170 [ 2196.750479][ T1167] do_syscall_64+0xc6/0x1e0 [ 2196.750479][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.750479][ T1167] [ 2202.705147][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2202.705499][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2202.705499][ T10] netdev_get_by_index+0x5e/0x80 [ 2202.705499][ T10] fib6_nh_init+0x3d8/0x1580 [ 2202.705499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2202.705499][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2202.705499][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2202.705499][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2202.705499][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2202.705499][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2202.705499][ T10] addrconf_dad_begin+0x310/0x670 [ 2202.705499][ T10] addrconf_dad_work+0x10b/0xab0 [ 2202.705499][ T10] process_one_work+0x84d/0x18a0 [ 2202.705499][ T10] worker_thread+0x587/0xd30 [ 2202.705499][ T10] kthread+0x28a/0x350 [ 2202.705499][ T10] ret_from_fork+0x31/0x70 [ 2202.705499][ T10] ret_from_fork_asm+0x1a/0x30 [ 2202.705499][ T10] [ 2202.707409][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2202.707409][ T10] netdev_get_by_index+0x5e/0x80 [ 2202.707409][ T10] fib6_nh_init+0x3d8/0x1580 [ 2202.707409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2202.707409][ T10] ip6_route_add+0x1c/0x140 [ 2202.707409][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2202.707409][ T10] inet6_addr_add+0x4f8/0xa40 [ 2202.707409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2202.707409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2202.707409][ T10] netlink_rcv_skb+0x130/0x360 [ 2202.707409][ T10] netlink_unicast+0x449/0x710 [ 2202.707409][ T10] netlink_sendmsg+0x723/0xbe0 [ 2202.707409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2202.707409][ T10] ___sys_sendmsg+0xee/0x170 [ 2202.707409][ T10] __sys_sendmsg+0xcd/0x170 [ 2202.707409][ T10] do_syscall_64+0xc6/0x1e0 [ 2202.707409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2202.707409][ T10] [ 2202.709433][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2202.709433][ T10] netdev_get_by_index+0x5e/0x80 [ 2202.709433][ T10] fib6_nh_init+0x3d8/0x1580 [ 2202.709433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2202.709433][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2202.709433][ T10] ipv6_add_addr+0x411/0x2000 [ 2202.709433][ T10] inet6_addr_add+0x30e/0xa40 [ 2202.709433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2202.709433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2202.709433][ T10] netlink_rcv_skb+0x130/0x360 [ 2202.709433][ T10] netlink_unicast+0x449/0x710 [ 2202.709433][ T10] netlink_sendmsg+0x723/0xbe0 [ 2202.709433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2202.709433][ T10] ___sys_sendmsg+0xee/0x170 [ 2202.709433][ T10] __sys_sendmsg+0xcd/0x170 [ 2202.709433][ T10] do_syscall_64+0xc6/0x1e0 [ 2202.709433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2202.709433][ T10] [ 2202.711413][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2202.711413][ T10] netdev_get_by_index+0x5e/0x80 [ 2202.711413][ T10] fib6_nh_init+0x3d8/0x1580 [ 2202.711413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2202.711413][ T10] ip6_route_add+0x1c/0x140 [ 2202.711413][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2202.711413][ T10] addrconf_add_dev+0xe2/0x170 [ 2202.711413][ T10] inet6_addr_add+0x12f/0xa40 [ 2202.711413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2202.711413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2202.711413][ T10] netlink_rcv_skb+0x130/0x360 [ 2202.711413][ T10] netlink_unicast+0x449/0x710 [ 2202.711413][ T10] netlink_sendmsg+0x723/0xbe0 [ 2202.711413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2202.711413][ T10] ___sys_sendmsg+0xee/0x170 [ 2202.711413][ T10] __sys_sendmsg+0xcd/0x170 [ 2202.711413][ T10] do_syscall_64+0xc6/0x1e0 [ 2202.711413][ T10] [ 2202.713364][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2202.713364][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2202.713364][ T10] ipv6_find_idev+0x102/0x170 [ 2202.713364][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2202.713364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2202.713364][ T10] netlink_rcv_skb+0x130/0x360 [ 2202.713364][ T10] netlink_unicast+0x449/0x710 [ 2202.713364][ T10] netlink_sendmsg+0x723/0xbe0 [ 2202.713364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2202.713364][ T10] ___sys_sendmsg+0xee/0x170 [ 2202.713364][ T10] __sys_sendmsg+0xcd/0x170 [ 2202.713364][ T10] do_syscall_64+0xc6/0x1e0 [ 2202.713364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2202.713364][ T10] [ 2202.714900][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2202.714900][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2202.714900][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2202.714900][ T10] ipv6_find_idev+0x102/0x170 [ 2202.714900][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2202.714900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2202.714900][ T10] netlink_rcv_skb+0x130/0x360 [ 2202.714900][ T10] netlink_unicast+0x449/0x710 [ 2202.714900][ T10] netlink_sendmsg+0x723/0xbe0 [ 2202.714900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2202.714900][ T10] ___sys_sendmsg+0xee/0x170 [ 2202.714900][ T10] __sys_sendmsg+0xcd/0x170 [ 2202.714900][ T10] do_syscall_64+0xc6/0x1e0 [ 2202.714900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2202.714900][ T10] [ 2202.716600][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2202.716847][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2202.716847][ T10] netdev_get_by_index+0x5e/0x80 [ 2202.716847][ T10] fib6_nh_init+0x3d8/0x1580 [ 2202.716847][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2202.716847][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2202.716847][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2202.716847][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2202.716847][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2202.716847][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2202.716847][ T10] addrconf_dad_begin+0x310/0x670 [ 2202.716847][ T10] addrconf_dad_work+0x10b/0xab0 [ 2202.716847][ T10] process_one_work+0x84d/0x18a0 [ 2202.716847][ T10] worker_thread+0x587/0xd30 [ 2202.716847][ T10] kthread+0x28a/0x350 [ 2202.716847][ T10] ret_from_fork+0x31/0x70 [ 2202.716847][ T10] ret_from_fork_asm+0x1a/0x30 [ 2202.716847][ T10] [ 2202.718767][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2202.718767][ T10] netdev_get_by_index+0x5e/0x80 [ 2202.718767][ T10] fib6_nh_init+0x3d8/0x1580 [ 2202.718767][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2202.718767][ T10] ip6_route_add+0x1c/0x140 [ 2202.718767][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2202.718767][ T10] inet6_addr_add+0x4f8/0xa40 [ 2202.718767][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2202.718767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2202.718767][ T10] netlink_rcv_skb+0x130/0x360 [ 2202.718767][ T10] netlink_unicast+0x449/0x710 [ 2202.718767][ T10] netlink_sendmsg+0x723/0xbe0 [ 2202.718767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2202.718767][ T10] ___sys_sendmsg+0xee/0x170 [ 2202.718767][ T10] __sys_sendmsg+0xcd/0x170 [ 2202.718767][ T10] do_syscall_64+0xc6/0x1e0 [ 2202.718767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2202.718767][ T10] [ 2202.720758][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2202.720758][ T10] netdev_get_by_index+0x5e/0x80 [ 2202.720758][ T10] fib6_nh_init+0x3d8/0x1580 [ 2202.720758][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2202.720758][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2202.720758][ T10] ipv6_add_addr+0x411/0x2000 [ 2202.720758][ T10] inet6_addr_add+0x30e/0xa40 [ 2202.720758][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2202.720758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2202.720758][ T10] netlink_rcv_skb+0x130/0x360 [ 2202.720758][ T10] netlink_unicast+0x449/0x710 [ 2202.720758][ T10] netlink_sendmsg+0x723/0xbe0 [ 2202.720758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2202.720758][ T10] ___sys_sendmsg+0xee/0x170 [ 2202.720758][ T10] __sys_sendmsg+0xcd/0x170 [ 2202.720758][ T10] do_syscall_64+0xc6/0x1e0 [ 2202.720758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2202.720758][ T10] [ 2202.722738][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2202.722738][ T10] netdev_get_by_index+0x5e/0x80 [ 2202.722738][ T10] fib6_nh_init+0x3d8/0x1580 [ 2202.722738][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2202.722738][ T10] ip6_route_add+0x1c/0x140 [ 2202.722738][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2202.722738][ T10] addrconf_add_dev+0xe2/0x170 [ 2202.722738][ T10] inet6_addr_add+0x12f/0xa40 [ 2202.722738][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2202.722738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2202.722738][ T10] netlink_rcv_skb+0x130/0x360 [ 2202.722738][ T10] netlink_unicast+0x449/0x710 [ 2202.722738][ T10] netlink_sendmsg+0x723/0xbe0 [ 2202.722738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2202.722738][ T10] ___sys_sendmsg+0xee/0x170 [ 2202.722738][ T10] __sys_sendmsg+0xcd/0x170 [ 2202.722738][ T10] do_syscall_64+0xc6/0x1e0 [ 2202.722738][ T10] [ 2202.724696][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2202.724696][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2202.724696][ T10] ipv6_find_idev+0x102/0x170 [ 2202.724696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2202.724696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2202.724696][ T10] netlink_rcv_skb+0x130/0x360 [ 2202.724696][ T10] netlink_unicast+0x449/0x710 [ 2202.724696][ T10] netlink_sendmsg+0x723/0xbe0 [ 2202.724696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2202.724696][ T10] ___sys_sendmsg+0xee/0x170 [ 2202.724696][ T10] __sys_sendmsg+0xcd/0x170 [ 2202.724696][ T10] do_syscall_64+0xc6/0x1e0 [ 2202.724696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2202.724696][ T10] [ 2202.726226][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2202.726226][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2202.726226][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2202.726226][ T10] ipv6_find_idev+0x102/0x170 [ 2202.726226][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2202.726226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2202.726226][ T10] netlink_rcv_skb+0x130/0x360 [ 2202.726226][ T10] netlink_unicast+0x449/0x710 [ 2202.726226][ T10] netlink_sendmsg+0x723/0xbe0 [ 2202.726226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2202.726226][ T10] ___sys_sendmsg+0xee/0x170 [ 2202.726226][ T10] __sys_sendmsg+0xcd/0x170 [ 2202.726226][ T10] do_syscall_64+0xc6/0x1e0 [ 2202.726226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2202.726226][ T10] [ 2202.727908][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2202.728152][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2202.728152][ T10] netdev_get_by_index+0x5e/0x80 [ 2202.728152][ T10] fib6_nh_init+0x3d8/0x1580 [ 2202.728152][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2202.728152][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2202.728152][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2202.728152][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2202.728152][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2202.728152][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2202.728152][ T10] addrconf_dad_begin+0x310/0x670 [ 2202.728152][ T10] addrconf_dad_work+0x10b/0xab0 [ 2202.728152][ T10] process_one_work+0x84d/0x18a0 [ 2202.728152][ T10] worker_thread+0x587/0xd30 [ 2202.728152][ T10] kthread+0x28a/0x350 [ 2202.728152][ T10] ret_from_fork+0x31/0x70 [ 2202.728152][ T10] ret_from_fork_asm+0x1a/0x30 [ 2202.728152][ T10] [ 2202.730053][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2202.730053][ T10] netdev_get_by_index+0x5e/0x80 [ 2202.730053][ T10] fib6_nh_init+0x3d8/0x1580 [ 2202.730053][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2202.730053][ T10] ip6_route_add+0x1c/0x140 [ 2202.730053][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2202.730053][ T10] inet6_addr_add+0x4f8/0xa40 [ 2202.730053][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2202.730053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2202.730053][ T10] netlink_rcv_skb+0x130/0x360 [ 2202.730053][ T10] netlink_unicast+0x449/0x710 [ 2202.730053][ T10] netlink_sendmsg+0x723/0xbe0 [ 2202.730053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2202.730053][ T10] ___sys_sendmsg+0xee/0x170 [ 2202.730053][ T10] __sys_sendmsg+0xcd/0x170 [ 2202.730053][ T10] do_syscall_64+0xc6/0x1e0 [ 2202.730053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2202.730053][ T10] [ 2202.732247][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2202.732247][ T10] netdev_get_by_index+0x5e/0x80 [ 2202.732247][ T10] fib6_nh_init+0x3d8/0x1580 [ 2202.732247][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2202.732247][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2202.732247][ T10] ipv6_add_addr+0x411/0x2000 [ 2202.732247][ T10] inet6_addr_add+0x30e/0xa40 [ 2202.732247][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2202.732247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2202.732247][ T10] netlink_rcv_skb+0x130/0x360 [ 2202.732247][ T10] netlink_unicast+0x449/0x710 [ 2202.732247][ T10] netlink_sendmsg+0x723/0xbe0 [ 2202.732247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2202.732247][ T10] ___sys_sendmsg+0xee/0x170 [ 2202.732247][ T10] __sys_sendmsg+0xcd/0x170 [ 2202.732247][ T10] do_syscall_64+0xc6/0x1e0 [ 2202.732247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2202.732247][ T10] [ 2202.734533][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2202.734533][ T10] netdev_get_by_index+0x5e/0x80 [ 2202.734533][ T10] fib6_nh_init+0x3d8/0x1580 [ 2202.734533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2202.734533][ T10] ip6_route_add+0x1c/0x140 [ 2202.734533][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2202.734533][ T10] addrconf_add_dev+0xe2/0x170 [ 2202.734533][ T10] inet6_addr_add+0x12f/0xa40 [ 2202.734533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2202.734533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2202.734533][ T10] netlink_rcv_skb+0x130/0x360 [ 2202.734533][ T10] netlink_unicast+0x449/0x710 [ 2202.734533][ T10] netlink_sendmsg+0x723/0xbe0 [ 2202.734533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2202.734533][ T10] ___sys_sendmsg+0xee/0x170 [ 2202.734533][ T10] __sys_sendmsg+0xcd/0x170 [ 2202.734533][ T10] do_syscall_64+0xc6/0x1e0 [ 2202.734533][ T10] [ 2202.736724][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2202.736724][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2202.736724][ T10] ipv6_find_idev+0x102/0x170 [ 2202.736724][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2202.736724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2202.736724][ T10] netlink_rcv_skb+0x130/0x360 [ 2202.736724][ T10] netlink_unicast+0x449/0x710 [ 2202.736724][ T10] netlink_sendmsg+0x723/0xbe0 [ 2202.736724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2202.736724][ T10] ___sys_sendmsg+0xee/0x170 [ 2202.736724][ T10] __sys_sendmsg+0xcd/0x170 [ 2202.736724][ T10] do_syscall_64+0xc6/0x1e0 [ 2202.736724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2202.736724][ T10] [ 2202.738434][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2202.738434][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2202.738434][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2202.738434][ T10] ipv6_find_idev+0x102/0x170 [ 2202.738434][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2202.738434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2202.738434][ T10] netlink_rcv_skb+0x130/0x360 [ 2202.738434][ T10] netlink_unicast+0x449/0x710 [ 2202.738434][ T10] netlink_sendmsg+0x723/0xbe0 [ 2202.738434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2202.738434][ T10] ___sys_sendmsg+0xee/0x170 [ 2202.738434][ T10] __sys_sendmsg+0xcd/0x170 [ 2202.738434][ T10] do_syscall_64+0xc6/0x1e0 [ 2202.738434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2202.738434][ T10] [ 2202.740286][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2202.740523][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2202.740523][ T10] netdev_get_by_index+0x5e/0x80 [ 2202.740523][ T10] fib6_nh_init+0x3d8/0x1580 [ 2202.740523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2202.740523][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2202.740523][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2202.740523][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2202.740523][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2202.740523][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2202.740523][ T10] addrconf_dad_begin+0x310/0x670 [ 2202.740523][ T10] addrconf_dad_work+0x10b/0xab0 [ 2202.740523][ T10] process_one_work+0x84d/0x18a0 [ 2202.740523][ T10] worker_thread+0x587/0xd30 [ 2202.740523][ T10] kthread+0x28a/0x350 [ 2202.740523][ T10] ret_from_fork+0x31/0x70 [ 2202.740523][ T10] ret_from_fork_asm+0x1a/0x30 [ 2202.740523][ T10] [ 2202.742725][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2202.742725][ T10] netdev_get_by_index+0x5e/0x80 [ 2202.742725][ T10] fib6_nh_init+0x3d8/0x1580 [ 2202.742725][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2202.742725][ T10] ip6_route_add+0x1c/0x140 [ 2202.742725][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2202.742725][ T10] inet6_addr_add+0x4f8/0xa40 [ 2202.742725][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2202.742725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2202.742725][ T10] netlink_rcv_skb+0x130/0x360 [ 2202.742725][ T10] netlink_unicast+0x449/0x710 [ 2202.742725][ T10] netlink_sendmsg+0x723/0xbe0 [ 2202.742725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2202.742725][ T10] ___sys_sendmsg+0xee/0x170 [ 2202.742725][ T10] __sys_sendmsg+0xcd/0x170 [ 2202.742725][ T10] do_syscall_64+0xc6/0x1e0 [ 2202.742725][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2202.742725][ T10] [ 2202.744957][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2202.744957][ T10] netdev_get_by_index+0x5e/0x80 [ 2202.744957][ T10] fib6_nh_init+0x3d8/0x1580 [ 2202.744957][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2202.744957][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2202.744957][ T10] ipv6_add_addr+0x411/0x2000 [ 2202.744957][ T10] inet6_addr_add+0x30e/0xa40 [ 2202.744957][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2202.744957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2202.744957][ T10] netlink_rcv_skb+0x130/0x360 [ 2202.744957][ T10] netlink_unicast+0x449/0x710 [ 2202.744957][ T10] netlink_sendmsg+0x723/0xbe0 [ 2202.744957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2202.744957][ T10] ___sys_sendmsg+0xee/0x170 [ 2202.744957][ T10] __sys_sendmsg+0xcd/0x170 [ 2202.744957][ T10] do_syscall_64+0xc6/0x1e0 [ 2202.744957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2202.744957][ T10] [ 2202.747191][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2202.747191][ T10] netdev_get_by_index+0x5e/0x80 [ 2202.747191][ T10] fib6_nh_init+0x3d8/0x1580 [ 2202.747191][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2202.747191][ T10] ip6_route_add+0x1c/0x140 [ 2202.747191][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2202.747191][ T10] addrconf_add_dev+0xe2/0x170 [ 2202.747191][ T10] inet6_addr_add+0x12f/0xa40 [ 2202.747191][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2202.747191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2202.747191][ T10] netlink_rcv_skb+0x130/0x360 [ 2202.747191][ T10] netlink_unicast+0x449/0x710 [ 2202.747191][ T10] netlink_sendmsg+0x723/0xbe0 [ 2202.747191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2202.747191][ T10] ___sys_sendmsg+0xee/0x170 [ 2202.747191][ T10] __sys_sendmsg+0xcd/0x170 [ 2202.747191][ T10] do_syscall_64+0xc6/0x1e0 [ 2202.747191][ T10] [ 2202.749314][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2202.749314][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2202.749314][ T10] ipv6_find_idev+0x102/0x170 [ 2202.749314][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2202.749314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2202.749314][ T10] netlink_rcv_skb+0x130/0x360 [ 2202.749314][ T10] netlink_unicast+0x449/0x710 [ 2202.749314][ T10] netlink_sendmsg+0x723/0xbe0 [ 2202.749314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2202.749314][ T10] ___sys_sendmsg+0xee/0x170 [ 2202.749314][ T10] __sys_sendmsg+0xcd/0x170 [ 2202.749314][ T10] do_syscall_64+0xc6/0x1e0 [ 2202.749314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2202.749314][ T10] [ 2202.751013][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2202.751013][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2202.751013][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2202.751013][ T10] ipv6_find_idev+0x102/0x170 [ 2202.751013][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2202.751013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2202.751013][ T10] netlink_rcv_skb+0x130/0x360 [ 2202.751013][ T10] netlink_unicast+0x449/0x710 [ 2202.751013][ T10] netlink_sendmsg+0x723/0xbe0 [ 2202.751013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2202.751013][ T10] ___sys_sendmsg+0xee/0x170 [ 2202.751013][ T10] __sys_sendmsg+0xcd/0x170 [ 2202.751013][ T10] do_syscall_64+0xc6/0x1e0 [ 2202.751013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2202.751013][ T10] [ 2206.993113][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2206.993594][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2206.993594][ T1167] dst_init+0x84/0x4a0 [ 2206.993594][ T1167] dst_alloc+0x97/0x150 [ 2206.993594][ T1167] ip6_dst_alloc+0x23/0x90 [ 2206.993594][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2206.993594][ T1167] ip6_pol_route+0x56f/0x840 [ 2206.993594][ T1167] fib6_rule_lookup+0x334/0x630 [ 2206.993594][ T1167] ip6_route_output_flags+0x259/0x480 [ 2206.993594][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2206.993594][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2206.993594][ T1167] netlink_rcv_skb+0x130/0x360 [ 2206.993594][ T1167] netlink_unicast+0x449/0x710 [ 2206.993594][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2206.993594][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2206.993594][ T1167] ___sys_sendmsg+0xee/0x170 [ 2206.993594][ T1167] __sys_sendmsg+0xcd/0x170 [ 2206.993594][ T1167] do_syscall_64+0xc6/0x1e0 [ 2206.993594][ T1167] [ 2206.995798][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2206.995798][ T1167] netdev_get_by_index+0x5e/0x80 [ 2206.995798][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2206.995798][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2206.995798][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2206.995798][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2206.995798][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2206.995798][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2206.995798][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2206.995798][ T1167] addrconf_dad_begin+0x310/0x670 [ 2206.995798][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2206.995798][ T1167] process_one_work+0x84d/0x18a0 [ 2206.995798][ T1167] worker_thread+0x587/0xd30 [ 2206.995798][ T1167] kthread+0x28a/0x350 [ 2206.995798][ T1167] ret_from_fork+0x31/0x70 [ 2206.995798][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2206.995798][ T1167] [ 2206.998010][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2206.998010][ T1167] netdev_get_by_index+0x5e/0x80 [ 2206.998010][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2206.998010][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2206.998010][ T1167] ip6_route_add+0x1c/0x140 [ 2206.998010][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2206.998010][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2206.998010][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2206.998010][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.998010][ T1167] netlink_rcv_skb+0x130/0x360 [ 2206.998010][ T1167] netlink_unicast+0x449/0x710 [ 2206.998010][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2206.998010][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2206.998010][ T1167] ___sys_sendmsg+0xee/0x170 [ 2206.998010][ T1167] __sys_sendmsg+0xcd/0x170 [ 2206.998010][ T1167] do_syscall_64+0xc6/0x1e0 [ 2206.998010][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.998010][ T1167] [ 2207.000247][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2207.000247][ T1167] netdev_get_by_index+0x5e/0x80 [ 2207.000247][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2207.000247][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2207.000247][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2207.000247][ T1167] ipv6_add_addr+0x411/0x2000 [ 2207.000247][ T1167] inet6_addr_add+0x30e/0xa40 [ 2207.000247][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2207.000247][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.000247][ T1167] netlink_rcv_skb+0x130/0x360 [ 2207.000247][ T1167] netlink_unicast+0x449/0x710 [ 2207.000247][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2207.000247][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2207.000247][ T1167] ___sys_sendmsg+0xee/0x170 [ 2207.000247][ T1167] __sys_sendmsg+0xcd/0x170 [ 2207.000247][ T1167] do_syscall_64+0xc6/0x1e0 [ 2207.000247][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2207.000247][ T1167] [ 2207.002501][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2207.002501][ T1167] netdev_get_by_index+0x5e/0x80 [ 2207.002501][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2207.002501][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2207.002501][ T1167] ip6_route_add+0x1c/0x140 [ 2207.002501][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2207.002501][ T1167] addrconf_add_dev+0xe2/0x170 [ 2207.002501][ T1167] inet6_addr_add+0x12f/0xa40 [ 2207.002501][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2207.002501][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.002501][ T1167] netlink_rcv_skb+0x130/0x360 [ 2207.002501][ T1167] netlink_unicast+0x449/0x710 [ 2207.002501][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2207.002501][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2207.002501][ T1167] ___sys_sendmsg+0xee/0x170 [ 2207.002501][ T1167] __sys_sendmsg+0xcd/0x170 [ 2207.002501][ T1167] do_syscall_64+0xc6/0x1e0 [ 2207.002501][ T1167] [ 2207.004706][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2207.004706][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2207.004706][ T1167] ipv6_find_idev+0x102/0x170 [ 2207.004706][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2207.004706][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.004706][ T1167] netlink_rcv_skb+0x130/0x360 [ 2207.004706][ T1167] netlink_unicast+0x449/0x710 [ 2207.004706][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2207.004706][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2207.004706][ T1167] ___sys_sendmsg+0xee/0x170 [ 2207.004706][ T1167] __sys_sendmsg+0xcd/0x170 [ 2207.004706][ T1167] do_syscall_64+0xc6/0x1e0 [ 2207.004706][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2207.004706][ T1167] [ 2207.006425][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2207.006425][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2207.006425][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2207.006425][ T1167] ipv6_find_idev+0x102/0x170 [ 2207.006425][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2207.006425][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.006425][ T1167] netlink_rcv_skb+0x130/0x360 [ 2207.006425][ T1167] netlink_unicast+0x449/0x710 [ 2207.006425][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2207.006425][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2207.006425][ T1167] ___sys_sendmsg+0xee/0x170 [ 2207.006425][ T1167] __sys_sendmsg+0xcd/0x170 [ 2207.006425][ T1167] do_syscall_64+0xc6/0x1e0 [ 2207.006425][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2207.006425][ T1167] [ 2212.993078][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2212.993428][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2212.993428][ T10] netdev_get_by_index+0x5e/0x80 [ 2212.993428][ T10] fib6_nh_init+0x3d8/0x1580 [ 2212.993428][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2212.993428][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2212.993428][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2212.993428][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2212.993428][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2212.993428][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2212.993428][ T10] addrconf_dad_begin+0x310/0x670 [ 2212.993428][ T10] addrconf_dad_work+0x10b/0xab0 [ 2212.993428][ T10] process_one_work+0x84d/0x18a0 [ 2212.993428][ T10] worker_thread+0x587/0xd30 [ 2212.993428][ T10] kthread+0x28a/0x350 [ 2212.993428][ T10] ret_from_fork+0x31/0x70 [ 2212.993428][ T10] ret_from_fork_asm+0x1a/0x30 [ 2212.993428][ T10] [ 2212.995398][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2212.995398][ T10] netdev_get_by_index+0x5e/0x80 [ 2212.995398][ T10] fib6_nh_init+0x3d8/0x1580 [ 2212.995398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2212.995398][ T10] ip6_route_add+0x1c/0x140 [ 2212.995398][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2212.995398][ T10] inet6_addr_add+0x4f8/0xa40 [ 2212.995398][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2212.995398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2212.995398][ T10] netlink_rcv_skb+0x130/0x360 [ 2212.995398][ T10] netlink_unicast+0x449/0x710 [ 2212.995398][ T10] netlink_sendmsg+0x723/0xbe0 [ 2212.995398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2212.995398][ T10] ___sys_sendmsg+0xee/0x170 [ 2212.995398][ T10] __sys_sendmsg+0xcd/0x170 [ 2212.995398][ T10] do_syscall_64+0xc6/0x1e0 [ 2212.995398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2212.995398][ T10] [ 2212.997428][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2212.997428][ T10] netdev_get_by_index+0x5e/0x80 [ 2212.997428][ T10] fib6_nh_init+0x3d8/0x1580 [ 2212.997428][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2212.997428][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2212.997428][ T10] ipv6_add_addr+0x411/0x2000 [ 2212.997428][ T10] inet6_addr_add+0x30e/0xa40 [ 2212.997428][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2212.997428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2212.997428][ T10] netlink_rcv_skb+0x130/0x360 [ 2212.997428][ T10] netlink_unicast+0x449/0x710 [ 2212.997428][ T10] netlink_sendmsg+0x723/0xbe0 [ 2212.997428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2212.997428][ T10] ___sys_sendmsg+0xee/0x170 [ 2212.997428][ T10] __sys_sendmsg+0xcd/0x170 [ 2212.997428][ T10] do_syscall_64+0xc6/0x1e0 [ 2212.997428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2212.997428][ T10] [ 2212.999468][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2212.999468][ T10] netdev_get_by_index+0x5e/0x80 [ 2212.999468][ T10] fib6_nh_init+0x3d8/0x1580 [ 2212.999468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2212.999468][ T10] ip6_route_add+0x1c/0x140 [ 2212.999468][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2212.999468][ T10] addrconf_add_dev+0xe2/0x170 [ 2212.999468][ T10] inet6_addr_add+0x12f/0xa40 [ 2212.999468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2212.999468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2212.999468][ T10] netlink_rcv_skb+0x130/0x360 [ 2212.999468][ T10] netlink_unicast+0x449/0x710 [ 2212.999468][ T10] netlink_sendmsg+0x723/0xbe0 [ 2212.999468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2212.999468][ T10] ___sys_sendmsg+0xee/0x170 [ 2212.999468][ T10] __sys_sendmsg+0xcd/0x170 [ 2212.999468][ T10] do_syscall_64+0xc6/0x1e0 [ 2212.999468][ T10] [ 2213.001943][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2213.001943][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2213.001943][ T10] ipv6_find_idev+0x102/0x170 [ 2213.001943][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2213.001943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2213.001943][ T10] netlink_rcv_skb+0x130/0x360 [ 2213.001943][ T10] netlink_unicast+0x449/0x710 [ 2213.001943][ T10] netlink_sendmsg+0x723/0xbe0 [ 2213.001943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2213.001943][ T10] ___sys_sendmsg+0xee/0x170 [ 2213.001943][ T10] __sys_sendmsg+0xcd/0x170 [ 2213.001943][ T10] do_syscall_64+0xc6/0x1e0 [ 2213.001943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2213.001943][ T10] [ 2213.003487][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2213.003487][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2213.003487][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2213.003487][ T10] ipv6_find_idev+0x102/0x170 [ 2213.003487][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2213.003487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2213.003487][ T10] netlink_rcv_skb+0x130/0x360 [ 2213.003487][ T10] netlink_unicast+0x449/0x710 [ 2213.003487][ T10] netlink_sendmsg+0x723/0xbe0 [ 2213.003487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2213.003487][ T10] ___sys_sendmsg+0xee/0x170 [ 2213.003487][ T10] __sys_sendmsg+0xcd/0x170 [ 2213.003487][ T10] do_syscall_64+0xc6/0x1e0 [ 2213.003487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2213.003487][ T10] [ 2213.005179][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2213.005425][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2213.005425][ T10] netdev_get_by_index+0x5e/0x80 [ 2213.005425][ T10] fib6_nh_init+0x3d8/0x1580 [ 2213.005425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2213.005425][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2213.005425][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2213.005425][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2213.005425][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2213.005425][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2213.005425][ T10] addrconf_dad_begin+0x310/0x670 [ 2213.005425][ T10] addrconf_dad_work+0x10b/0xab0 [ 2213.005425][ T10] process_one_work+0x84d/0x18a0 [ 2213.005425][ T10] worker_thread+0x587/0xd30 [ 2213.005425][ T10] kthread+0x28a/0x350 [ 2213.005425][ T10] ret_from_fork+0x31/0x70 [ 2213.005425][ T10] ret_from_fork_asm+0x1a/0x30 [ 2213.005425][ T10] [ 2213.007665][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2213.007665][ T10] netdev_get_by_index+0x5e/0x80 [ 2213.007665][ T10] fib6_nh_init+0x3d8/0x1580 [ 2213.007665][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2213.007665][ T10] ip6_route_add+0x1c/0x140 [ 2213.007665][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2213.007665][ T10] inet6_addr_add+0x4f8/0xa40 [ 2213.007665][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2213.007665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2213.007665][ T10] netlink_rcv_skb+0x130/0x360 [ 2213.007665][ T10] netlink_unicast+0x449/0x710 [ 2213.007665][ T10] netlink_sendmsg+0x723/0xbe0 [ 2213.007665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2213.007665][ T10] ___sys_sendmsg+0xee/0x170 [ 2213.007665][ T10] __sys_sendmsg+0xcd/0x170 [ 2213.007665][ T10] do_syscall_64+0xc6/0x1e0 [ 2213.007665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2213.007665][ T10] [ 2213.010816][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2213.010816][ T10] netdev_get_by_index+0x5e/0x80 [ 2213.010816][ T10] fib6_nh_init+0x3d8/0x1580 [ 2213.010816][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2213.010816][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2213.010816][ T10] ipv6_add_addr+0x411/0x2000 [ 2213.010816][ T10] inet6_addr_add+0x30e/0xa40 [ 2213.010816][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2213.010816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2213.010816][ T10] netlink_rcv_skb+0x130/0x360 [ 2213.010816][ T10] netlink_unicast+0x449/0x710 [ 2213.010816][ T10] netlink_sendmsg+0x723/0xbe0 [ 2213.010816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2213.010816][ T10] ___sys_sendmsg+0xee/0x170 [ 2213.010816][ T10] __sys_sendmsg+0xcd/0x170 [ 2213.010816][ T10] do_syscall_64+0xc6/0x1e0 [ 2213.010816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2213.010816][ T10] [ 2213.013994][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2213.013994][ T10] netdev_get_by_index+0x5e/0x80 [ 2213.013994][ T10] fib6_nh_init+0x3d8/0x1580 [ 2213.013994][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2213.013994][ T10] ip6_route_add+0x1c/0x140 [ 2213.013994][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2213.013994][ T10] addrconf_add_dev+0xe2/0x170 [ 2213.013994][ T10] inet6_addr_add+0x12f/0xa40 [ 2213.013994][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2213.013994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2213.013994][ T10] netlink_rcv_skb+0x130/0x360 [ 2213.013994][ T10] netlink_unicast+0x449/0x710 [ 2213.013994][ T10] netlink_sendmsg+0x723/0xbe0 [ 2213.013994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2213.013994][ T10] ___sys_sendmsg+0xee/0x170 [ 2213.013994][ T10] __sys_sendmsg+0xcd/0x170 [ 2213.013994][ T10] do_syscall_64+0xc6/0x1e0 [ 2213.013994][ T10] [ 2213.017014][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2213.017014][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2213.017014][ T10] ipv6_find_idev+0x102/0x170 [ 2213.017014][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2213.017014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2213.017014][ T10] netlink_rcv_skb+0x130/0x360 [ 2213.017014][ T10] netlink_unicast+0x449/0x710 [ 2213.017014][ T10] netlink_sendmsg+0x723/0xbe0 [ 2213.017014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2213.017014][ T10] ___sys_sendmsg+0xee/0x170 [ 2213.017014][ T10] __sys_sendmsg+0xcd/0x170 [ 2213.017014][ T10] do_syscall_64+0xc6/0x1e0 [ 2213.017014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2213.017014][ T10] [ 2213.018564][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2213.018564][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2213.018564][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2213.018564][ T10] ipv6_find_idev+0x102/0x170 [ 2213.018564][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2213.018564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2213.018564][ T10] netlink_rcv_skb+0x130/0x360 [ 2213.018564][ T10] netlink_unicast+0x449/0x710 [ 2213.018564][ T10] netlink_sendmsg+0x723/0xbe0 [ 2213.018564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2213.018564][ T10] ___sys_sendmsg+0xee/0x170 [ 2213.018564][ T10] __sys_sendmsg+0xcd/0x170 [ 2213.018564][ T10] do_syscall_64+0xc6/0x1e0 [ 2213.018564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2213.018564][ T10] [ 2213.020267][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2213.020516][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2213.020516][ T10] netdev_get_by_index+0x5e/0x80 [ 2213.020516][ T10] fib6_nh_init+0x3d8/0x1580 [ 2213.020516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2213.020516][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2213.020516][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2213.020516][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2213.020516][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2213.020516][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2213.020516][ T10] addrconf_dad_begin+0x310/0x670 [ 2213.020516][ T10] addrconf_dad_work+0x10b/0xab0 [ 2213.020516][ T10] process_one_work+0x84d/0x18a0 [ 2213.020516][ T10] worker_thread+0x587/0xd30 [ 2213.020516][ T10] kthread+0x28a/0x350 [ 2213.020516][ T10] ret_from_fork+0x31/0x70 [ 2213.020516][ T10] ret_from_fork_asm+0x1a/0x30 [ 2213.020516][ T10] [ 2213.022437][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2213.022437][ T10] netdev_get_by_index+0x5e/0x80 [ 2213.022437][ T10] fib6_nh_init+0x3d8/0x1580 [ 2213.022437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2213.022437][ T10] ip6_route_add+0x1c/0x140 [ 2213.022437][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2213.022437][ T10] inet6_addr_add+0x4f8/0xa40 [ 2213.022437][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2213.022437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2213.022437][ T10] netlink_rcv_skb+0x130/0x360 [ 2213.022437][ T10] netlink_unicast+0x449/0x710 [ 2213.022437][ T10] netlink_sendmsg+0x723/0xbe0 [ 2213.022437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2213.022437][ T10] ___sys_sendmsg+0xee/0x170 [ 2213.022437][ T10] __sys_sendmsg+0xcd/0x170 [ 2213.022437][ T10] do_syscall_64+0xc6/0x1e0 [ 2213.022437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2213.022437][ T10] [ 2213.024625][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2213.024625][ T10] netdev_get_by_index+0x5e/0x80 [ 2213.024625][ T10] fib6_nh_init+0x3d8/0x1580 [ 2213.024625][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2213.024625][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2213.024625][ T10] ipv6_add_addr+0x411/0x2000 [ 2213.024625][ T10] inet6_addr_add+0x30e/0xa40 [ 2213.024625][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2213.024625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2213.024625][ T10] netlink_rcv_skb+0x130/0x360 [ 2213.024625][ T10] netlink_unicast+0x449/0x710 [ 2213.024625][ T10] netlink_sendmsg+0x723/0xbe0 [ 2213.024625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2213.024625][ T10] ___sys_sendmsg+0xee/0x170 [ 2213.024625][ T10] __sys_sendmsg+0xcd/0x170 [ 2213.024625][ T10] do_syscall_64+0xc6/0x1e0 [ 2213.024625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2213.024625][ T10] [ 2213.027309][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2213.027309][ T10] netdev_get_by_index+0x5e/0x80 [ 2213.027309][ T10] fib6_nh_init+0x3d8/0x1580 [ 2213.027309][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2213.027309][ T10] ip6_route_add+0x1c/0x140 [ 2213.027309][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2213.027309][ T10] addrconf_add_dev+0xe2/0x170 [ 2213.027309][ T10] inet6_addr_add+0x12f/0xa40 [ 2213.027309][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2213.027309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2213.027309][ T10] netlink_rcv_skb+0x130/0x360 [ 2213.027309][ T10] netlink_unicast+0x449/0x710 [ 2213.027309][ T10] netlink_sendmsg+0x723/0xbe0 [ 2213.027309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2213.027309][ T10] ___sys_sendmsg+0xee/0x170 [ 2213.027309][ T10] __sys_sendmsg+0xcd/0x170 [ 2213.027309][ T10] do_syscall_64+0xc6/0x1e0 [ 2213.027309][ T10] [ 2213.029522][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2213.029522][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2213.029522][ T10] ipv6_find_idev+0x102/0x170 [ 2213.029522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2213.029522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2213.029522][ T10] netlink_rcv_skb+0x130/0x360 [ 2213.029522][ T10] netlink_unicast+0x449/0x710 [ 2213.029522][ T10] netlink_sendmsg+0x723/0xbe0 [ 2213.029522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2213.029522][ T10] ___sys_sendmsg+0xee/0x170 [ 2213.029522][ T10] __sys_sendmsg+0xcd/0x170 [ 2213.029522][ T10] do_syscall_64+0xc6/0x1e0 [ 2213.029522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2213.029522][ T10] [ 2213.031235][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2213.031235][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2213.031235][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2213.031235][ T10] ipv6_find_idev+0x102/0x170 [ 2213.031235][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2213.031235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2213.031235][ T10] netlink_rcv_skb+0x130/0x360 [ 2213.031235][ T10] netlink_unicast+0x449/0x710 [ 2213.031235][ T10] netlink_sendmsg+0x723/0xbe0 [ 2213.031235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2213.031235][ T10] ___sys_sendmsg+0xee/0x170 [ 2213.031235][ T10] __sys_sendmsg+0xcd/0x170 [ 2213.031235][ T10] do_syscall_64+0xc6/0x1e0 [ 2213.031235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2213.031235][ T10] [ 2213.033165][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2213.033408][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2213.033408][ T10] netdev_get_by_index+0x5e/0x80 [ 2213.033408][ T10] fib6_nh_init+0x3d8/0x1580 [ 2213.033408][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2213.033408][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2213.033408][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2213.033408][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2213.033408][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2213.033408][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2213.033408][ T10] addrconf_dad_begin+0x310/0x670 [ 2213.033408][ T10] addrconf_dad_work+0x10b/0xab0 [ 2213.033408][ T10] process_one_work+0x84d/0x18a0 [ 2213.033408][ T10] worker_thread+0x587/0xd30 [ 2213.033408][ T10] kthread+0x28a/0x350 [ 2213.033408][ T10] ret_from_fork+0x31/0x70 [ 2213.033408][ T10] ret_from_fork_asm+0x1a/0x30 [ 2213.033408][ T10] [ 2213.035540][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2213.035540][ T10] netdev_get_by_index+0x5e/0x80 [ 2213.035540][ T10] fib6_nh_init+0x3d8/0x1580 [ 2213.035540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2213.035540][ T10] ip6_route_add+0x1c/0x140 [ 2213.035540][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2213.035540][ T10] inet6_addr_add+0x4f8/0xa40 [ 2213.035540][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2213.035540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2213.035540][ T10] netlink_rcv_skb+0x130/0x360 [ 2213.035540][ T10] netlink_unicast+0x449/0x710 [ 2213.035540][ T10] netlink_sendmsg+0x723/0xbe0 [ 2213.035540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2213.035540][ T10] ___sys_sendmsg+0xee/0x170 [ 2213.035540][ T10] __sys_sendmsg+0xcd/0x170 [ 2213.035540][ T10] do_syscall_64+0xc6/0x1e0 [ 2213.035540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2213.035540][ T10] [ 2213.037792][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2213.037792][ T10] netdev_get_by_index+0x5e/0x80 [ 2213.037792][ T10] fib6_nh_init+0x3d8/0x1580 [ 2213.037792][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2213.037792][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2213.037792][ T10] ipv6_add_addr+0x411/0x2000 [ 2213.037792][ T10] inet6_addr_add+0x30e/0xa40 [ 2213.037792][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2213.037792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2213.037792][ T10] netlink_rcv_skb+0x130/0x360 [ 2213.037792][ T10] netlink_unicast+0x449/0x710 [ 2213.037792][ T10] netlink_sendmsg+0x723/0xbe0 [ 2213.037792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2213.037792][ T10] ___sys_sendmsg+0xee/0x170 [ 2213.037792][ T10] __sys_sendmsg+0xcd/0x170 [ 2213.037792][ T10] do_syscall_64+0xc6/0x1e0 [ 2213.037792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2213.037792][ T10] [ 2213.040037][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2213.040037][ T10] netdev_get_by_index+0x5e/0x80 [ 2213.040037][ T10] fib6_nh_init+0x3d8/0x1580 [ 2213.040037][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2213.040037][ T10] ip6_route_add+0x1c/0x140 [ 2213.040037][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2213.040037][ T10] addrconf_add_dev+0xe2/0x170 [ 2213.040037][ T10] inet6_addr_add+0x12f/0xa40 [ 2213.040037][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2213.040037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2213.040037][ T10] netlink_rcv_skb+0x130/0x360 [ 2213.040037][ T10] netlink_unicast+0x449/0x710 [ 2213.040037][ T10] netlink_sendmsg+0x723/0xbe0 [ 2213.040037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2213.040037][ T10] ___sys_sendmsg+0xee/0x170 [ 2213.040037][ T10] __sys_sendmsg+0xcd/0x170 [ 2213.040037][ T10] do_syscall_64+0xc6/0x1e0 [ 2213.040037][ T10] [ 2213.042247][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2213.042247][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2213.042247][ T10] ipv6_find_idev+0x102/0x170 [ 2213.042247][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2213.042247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2213.042247][ T10] netlink_rcv_skb+0x130/0x360 [ 2213.042247][ T10] netlink_unicast+0x449/0x710 [ 2213.042247][ T10] netlink_sendmsg+0x723/0xbe0 [ 2213.042247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2213.042247][ T10] ___sys_sendmsg+0xee/0x170 [ 2213.042247][ T10] __sys_sendmsg+0xcd/0x170 [ 2213.042247][ T10] do_syscall_64+0xc6/0x1e0 [ 2213.042247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2213.042247][ T10] [ 2213.043962][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2213.043962][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2213.043962][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2213.043962][ T10] ipv6_find_idev+0x102/0x170 [ 2213.043962][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2213.043962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2213.043962][ T10] netlink_rcv_skb+0x130/0x360 [ 2213.043962][ T10] netlink_unicast+0x449/0x710 [ 2213.043962][ T10] netlink_sendmsg+0x723/0xbe0 [ 2213.043962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2213.043962][ T10] ___sys_sendmsg+0xee/0x170 [ 2213.043962][ T10] __sys_sendmsg+0xcd/0x170 [ 2213.043962][ T10] do_syscall_64+0xc6/0x1e0 [ 2213.043962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2213.043962][ T10] [ 2217.249230][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2217.249732][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2217.249732][ T1167] dst_init+0x84/0x4a0 [ 2217.249732][ T1167] dst_alloc+0x97/0x150 [ 2217.249732][ T1167] ip6_dst_alloc+0x23/0x90 [ 2217.249732][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2217.249732][ T1167] ip6_pol_route+0x56f/0x840 [ 2217.249732][ T1167] fib6_rule_lookup+0x334/0x630 [ 2217.249732][ T1167] ip6_route_output_flags+0x259/0x480 [ 2217.249732][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2217.249732][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2217.249732][ T1167] netlink_rcv_skb+0x130/0x360 [ 2217.249732][ T1167] netlink_unicast+0x449/0x710 [ 2217.249732][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2217.249732][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2217.249732][ T1167] ___sys_sendmsg+0xee/0x170 [ 2217.249732][ T1167] __sys_sendmsg+0xcd/0x170 [ 2217.249732][ T1167] do_syscall_64+0xc6/0x1e0 [ 2217.249732][ T1167] [ 2217.252379][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2217.252379][ T1167] netdev_get_by_index+0x5e/0x80 [ 2217.252379][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2217.252379][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2217.252379][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2217.252379][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2217.252379][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2217.252379][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2217.252379][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2217.252379][ T1167] addrconf_dad_begin+0x310/0x670 [ 2217.252379][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2217.252379][ T1167] process_one_work+0x84d/0x18a0 [ 2217.252379][ T1167] worker_thread+0x587/0xd30 [ 2217.252379][ T1167] kthread+0x28a/0x350 [ 2217.252379][ T1167] ret_from_fork+0x31/0x70 [ 2217.252379][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2217.252379][ T1167] [ 2217.254930][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2217.254930][ T1167] netdev_get_by_index+0x5e/0x80 [ 2217.254930][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2217.254930][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2217.254930][ T1167] ip6_route_add+0x1c/0x140 [ 2217.254930][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2217.254930][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2217.254930][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2217.254930][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.254930][ T1167] netlink_rcv_skb+0x130/0x360 [ 2217.254930][ T1167] netlink_unicast+0x449/0x710 [ 2217.254930][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2217.254930][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2217.254930][ T1167] ___sys_sendmsg+0xee/0x170 [ 2217.254930][ T1167] __sys_sendmsg+0xcd/0x170 [ 2217.254930][ T1167] do_syscall_64+0xc6/0x1e0 [ 2217.254930][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2217.254930][ T1167] [ 2217.257609][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2217.257609][ T1167] netdev_get_by_index+0x5e/0x80 [ 2217.257609][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2217.257609][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2217.257609][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2217.257609][ T1167] ipv6_add_addr+0x411/0x2000 [ 2217.257609][ T1167] inet6_addr_add+0x30e/0xa40 [ 2217.257609][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2217.257609][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.257609][ T1167] netlink_rcv_skb+0x130/0x360 [ 2217.257609][ T1167] netlink_unicast+0x449/0x710 [ 2217.257609][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2217.257609][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2217.257609][ T1167] ___sys_sendmsg+0xee/0x170 [ 2217.257609][ T1167] __sys_sendmsg+0xcd/0x170 [ 2217.257609][ T1167] do_syscall_64+0xc6/0x1e0 [ 2217.257609][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2217.257609][ T1167] [ 2217.260285][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2217.260285][ T1167] netdev_get_by_index+0x5e/0x80 [ 2217.260285][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2217.260285][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2217.260285][ T1167] ip6_route_add+0x1c/0x140 [ 2217.260285][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2217.260285][ T1167] addrconf_add_dev+0xe2/0x170 [ 2217.260285][ T1167] inet6_addr_add+0x12f/0xa40 [ 2217.260285][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2217.260285][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.260285][ T1167] netlink_rcv_skb+0x130/0x360 [ 2217.260285][ T1167] netlink_unicast+0x449/0x710 [ 2217.260285][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2217.260285][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2217.260285][ T1167] ___sys_sendmsg+0xee/0x170 [ 2217.260285][ T1167] __sys_sendmsg+0xcd/0x170 [ 2217.260285][ T1167] do_syscall_64+0xc6/0x1e0 [ 2217.260285][ T1167] [ 2217.262922][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2217.262922][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2217.262922][ T1167] ipv6_find_idev+0x102/0x170 [ 2217.262922][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2217.262922][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.262922][ T1167] netlink_rcv_skb+0x130/0x360 [ 2217.262922][ T1167] netlink_unicast+0x449/0x710 [ 2217.262922][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2217.262922][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2217.262922][ T1167] ___sys_sendmsg+0xee/0x170 [ 2217.262922][ T1167] __sys_sendmsg+0xcd/0x170 [ 2217.262922][ T1167] do_syscall_64+0xc6/0x1e0 [ 2217.262922][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2217.262922][ T1167] [ 2217.264981][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2217.264981][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2217.264981][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2217.264981][ T1167] ipv6_find_idev+0x102/0x170 [ 2217.264981][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2217.264981][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.264981][ T1167] netlink_rcv_skb+0x130/0x360 [ 2217.264981][ T1167] netlink_unicast+0x449/0x710 [ 2217.264981][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2217.264981][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2217.264981][ T1167] ___sys_sendmsg+0xee/0x170 [ 2217.264981][ T1167] __sys_sendmsg+0xcd/0x170 [ 2217.264981][ T1167] do_syscall_64+0xc6/0x1e0 [ 2217.264981][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2217.264981][ T1167] [ 2223.153185][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2223.153605][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2223.153605][ T10] netdev_get_by_index+0x5e/0x80 [ 2223.153605][ T10] fib6_nh_init+0x3d8/0x1580 [ 2223.153605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2223.153605][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2223.153605][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2223.153605][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2223.153605][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2223.153605][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2223.153605][ T10] addrconf_dad_begin+0x310/0x670 [ 2223.153605][ T10] addrconf_dad_work+0x10b/0xab0 [ 2223.153605][ T10] process_one_work+0x84d/0x18a0 [ 2223.153605][ T10] worker_thread+0x587/0xd30 [ 2223.153605][ T10] kthread+0x28a/0x350 [ 2223.153605][ T10] ret_from_fork+0x31/0x70 [ 2223.153605][ T10] ret_from_fork_asm+0x1a/0x30 [ 2223.153605][ T10] [ 2223.155524][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2223.155524][ T10] netdev_get_by_index+0x5e/0x80 [ 2223.155524][ T10] fib6_nh_init+0x3d8/0x1580 [ 2223.155524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2223.155524][ T10] ip6_route_add+0x1c/0x140 [ 2223.155524][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2223.155524][ T10] inet6_addr_add+0x4f8/0xa40 [ 2223.155524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2223.155524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2223.155524][ T10] netlink_rcv_skb+0x130/0x360 [ 2223.155524][ T10] netlink_unicast+0x449/0x710 [ 2223.155524][ T10] netlink_sendmsg+0x723/0xbe0 [ 2223.155524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2223.155524][ T10] ___sys_sendmsg+0xee/0x170 [ 2223.155524][ T10] __sys_sendmsg+0xcd/0x170 [ 2223.155524][ T10] do_syscall_64+0xc6/0x1e0 [ 2223.155524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2223.155524][ T10] [ 2223.157544][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2223.157544][ T10] netdev_get_by_index+0x5e/0x80 [ 2223.157544][ T10] fib6_nh_init+0x3d8/0x1580 [ 2223.157544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2223.157544][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2223.157544][ T10] ipv6_add_addr+0x411/0x2000 [ 2223.157544][ T10] inet6_addr_add+0x30e/0xa40 [ 2223.157544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2223.157544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2223.157544][ T10] netlink_rcv_skb+0x130/0x360 [ 2223.157544][ T10] netlink_unicast+0x449/0x710 [ 2223.157544][ T10] netlink_sendmsg+0x723/0xbe0 [ 2223.157544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2223.157544][ T10] ___sys_sendmsg+0xee/0x170 [ 2223.157544][ T10] __sys_sendmsg+0xcd/0x170 [ 2223.157544][ T10] do_syscall_64+0xc6/0x1e0 [ 2223.157544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2223.157544][ T10] [ 2223.159530][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2223.159530][ T10] netdev_get_by_index+0x5e/0x80 [ 2223.159530][ T10] fib6_nh_init+0x3d8/0x1580 [ 2223.159530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2223.159530][ T10] ip6_route_add+0x1c/0x140 [ 2223.159530][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2223.159530][ T10] addrconf_add_dev+0xe2/0x170 [ 2223.159530][ T10] inet6_addr_add+0x12f/0xa40 [ 2223.159530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2223.159530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2223.159530][ T10] netlink_rcv_skb+0x130/0x360 [ 2223.159530][ T10] netlink_unicast+0x449/0x710 [ 2223.159530][ T10] netlink_sendmsg+0x723/0xbe0 [ 2223.159530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2223.159530][ T10] ___sys_sendmsg+0xee/0x170 [ 2223.159530][ T10] __sys_sendmsg+0xcd/0x170 [ 2223.159530][ T10] do_syscall_64+0xc6/0x1e0 [ 2223.159530][ T10] [ 2223.161498][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2223.161498][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2223.161498][ T10] ipv6_find_idev+0x102/0x170 [ 2223.161498][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2223.161498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2223.161498][ T10] netlink_rcv_skb+0x130/0x360 [ 2223.161498][ T10] netlink_unicast+0x449/0x710 [ 2223.161498][ T10] netlink_sendmsg+0x723/0xbe0 [ 2223.161498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2223.161498][ T10] ___sys_sendmsg+0xee/0x170 [ 2223.161498][ T10] __sys_sendmsg+0xcd/0x170 [ 2223.161498][ T10] do_syscall_64+0xc6/0x1e0 [ 2223.161498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2223.161498][ T10] [ 2223.163031][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2223.163031][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2223.163031][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2223.163031][ T10] ipv6_find_idev+0x102/0x170 [ 2223.163031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2223.163031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2223.163031][ T10] netlink_rcv_skb+0x130/0x360 [ 2223.163031][ T10] netlink_unicast+0x449/0x710 [ 2223.163031][ T10] netlink_sendmsg+0x723/0xbe0 [ 2223.163031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2223.163031][ T10] ___sys_sendmsg+0xee/0x170 [ 2223.163031][ T10] __sys_sendmsg+0xcd/0x170 [ 2223.163031][ T10] do_syscall_64+0xc6/0x1e0 [ 2223.163031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2223.163031][ T10] [ 2223.164734][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2223.164980][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2223.164980][ T10] netdev_get_by_index+0x5e/0x80 [ 2223.164980][ T10] fib6_nh_init+0x3d8/0x1580 [ 2223.164980][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2223.164980][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2223.164980][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2223.164980][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2223.164980][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2223.164980][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2223.164980][ T10] addrconf_dad_begin+0x310/0x670 [ 2223.164980][ T10] addrconf_dad_work+0x10b/0xab0 [ 2223.164980][ T10] process_one_work+0x84d/0x18a0 [ 2223.164980][ T10] worker_thread+0x587/0xd30 [ 2223.164980][ T10] kthread+0x28a/0x350 [ 2223.164980][ T10] ret_from_fork+0x31/0x70 [ 2223.164980][ T10] ret_from_fork_asm+0x1a/0x30 [ 2223.164980][ T10] [ 2223.166897][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2223.166897][ T10] netdev_get_by_index+0x5e/0x80 [ 2223.166897][ T10] fib6_nh_init+0x3d8/0x1580 [ 2223.166897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2223.166897][ T10] ip6_route_add+0x1c/0x140 [ 2223.166897][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2223.166897][ T10] inet6_addr_add+0x4f8/0xa40 [ 2223.166897][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2223.166897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2223.166897][ T10] netlink_rcv_skb+0x130/0x360 [ 2223.166897][ T10] netlink_unicast+0x449/0x710 [ 2223.166897][ T10] netlink_sendmsg+0x723/0xbe0 [ 2223.166897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2223.166897][ T10] ___sys_sendmsg+0xee/0x170 [ 2223.166897][ T10] __sys_sendmsg+0xcd/0x170 [ 2223.166897][ T10] do_syscall_64+0xc6/0x1e0 [ 2223.166897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2223.166897][ T10] [ 2223.169292][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2223.169292][ T10] netdev_get_by_index+0x5e/0x80 [ 2223.169292][ T10] fib6_nh_init+0x3d8/0x1580 [ 2223.169292][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2223.169292][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2223.169292][ T10] ipv6_add_addr+0x411/0x2000 [ 2223.169292][ T10] inet6_addr_add+0x30e/0xa40 [ 2223.169292][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2223.169292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2223.169292][ T10] netlink_rcv_skb+0x130/0x360 [ 2223.169292][ T10] netlink_unicast+0x449/0x710 [ 2223.169292][ T10] netlink_sendmsg+0x723/0xbe0 [ 2223.169292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2223.169292][ T10] ___sys_sendmsg+0xee/0x170 [ 2223.169292][ T10] __sys_sendmsg+0xcd/0x170 [ 2223.169292][ T10] do_syscall_64+0xc6/0x1e0 [ 2223.169292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2223.169292][ T10] [ 2223.171281][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2223.171281][ T10] netdev_get_by_index+0x5e/0x80 [ 2223.171281][ T10] fib6_nh_init+0x3d8/0x1580 [ 2223.171281][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2223.171281][ T10] ip6_route_add+0x1c/0x140 [ 2223.171281][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2223.171281][ T10] addrconf_add_dev+0xe2/0x170 [ 2223.171281][ T10] inet6_addr_add+0x12f/0xa40 [ 2223.171281][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2223.171281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2223.171281][ T10] netlink_rcv_skb+0x130/0x360 [ 2223.171281][ T10] netlink_unicast+0x449/0x710 [ 2223.171281][ T10] netlink_sendmsg+0x723/0xbe0 [ 2223.171281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2223.171281][ T10] ___sys_sendmsg+0xee/0x170 [ 2223.171281][ T10] __sys_sendmsg+0xcd/0x170 [ 2223.171281][ T10] do_syscall_64+0xc6/0x1e0 [ 2223.171281][ T10] [ 2223.173262][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2223.173262][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2223.173262][ T10] ipv6_find_idev+0x102/0x170 [ 2223.173262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2223.173262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2223.173262][ T10] netlink_rcv_skb+0x130/0x360 [ 2223.173262][ T10] netlink_unicast+0x449/0x710 [ 2223.173262][ T10] netlink_sendmsg+0x723/0xbe0 [ 2223.173262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2223.173262][ T10] ___sys_sendmsg+0xee/0x170 [ 2223.173262][ T10] __sys_sendmsg+0xcd/0x170 [ 2223.173262][ T10] do_syscall_64+0xc6/0x1e0 [ 2223.173262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2223.173262][ T10] [ 2223.174792][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2223.174792][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2223.174792][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2223.174792][ T10] ipv6_find_idev+0x102/0x170 [ 2223.174792][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2223.174792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2223.174792][ T10] netlink_rcv_skb+0x130/0x360 [ 2223.174792][ T10] netlink_unicast+0x449/0x710 [ 2223.174792][ T10] netlink_sendmsg+0x723/0xbe0 [ 2223.174792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2223.174792][ T10] ___sys_sendmsg+0xee/0x170 [ 2223.174792][ T10] __sys_sendmsg+0xcd/0x170 [ 2223.174792][ T10] do_syscall_64+0xc6/0x1e0 [ 2223.174792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2223.174792][ T10] [ 2223.176471][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2223.176719][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2223.176719][ T10] netdev_get_by_index+0x5e/0x80 [ 2223.176719][ T10] fib6_nh_init+0x3d8/0x1580 [ 2223.176719][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2223.176719][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2223.176719][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2223.176719][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2223.176719][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2223.176719][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2223.176719][ T10] addrconf_dad_begin+0x310/0x670 [ 2223.176719][ T10] addrconf_dad_work+0x10b/0xab0 [ 2223.176719][ T10] process_one_work+0x84d/0x18a0 [ 2223.176719][ T10] worker_thread+0x587/0xd30 [ 2223.176719][ T10] kthread+0x28a/0x350 [ 2223.176719][ T10] ret_from_fork+0x31/0x70 [ 2223.176719][ T10] ret_from_fork_asm+0x1a/0x30 [ 2223.176719][ T10] [ 2223.178649][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2223.178649][ T10] netdev_get_by_index+0x5e/0x80 [ 2223.178649][ T10] fib6_nh_init+0x3d8/0x1580 [ 2223.178649][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2223.178649][ T10] ip6_route_add+0x1c/0x140 [ 2223.178649][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2223.178649][ T10] inet6_addr_add+0x4f8/0xa40 [ 2223.178649][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2223.178649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2223.178649][ T10] netlink_rcv_skb+0x130/0x360 [ 2223.178649][ T10] netlink_unicast+0x449/0x710 [ 2223.178649][ T10] netlink_sendmsg+0x723/0xbe0 [ 2223.178649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2223.178649][ T10] ___sys_sendmsg+0xee/0x170 [ 2223.178649][ T10] __sys_sendmsg+0xcd/0x170 [ 2223.178649][ T10] do_syscall_64+0xc6/0x1e0 [ 2223.178649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2223.178649][ T10] [ 2223.180813][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2223.180813][ T10] netdev_get_by_index+0x5e/0x80 [ 2223.180813][ T10] fib6_nh_init+0x3d8/0x1580 [ 2223.180813][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2223.180813][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2223.180813][ T10] ipv6_add_addr+0x411/0x2000 [ 2223.180813][ T10] inet6_addr_add+0x30e/0xa40 [ 2223.180813][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2223.180813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2223.180813][ T10] netlink_rcv_skb+0x130/0x360 [ 2223.180813][ T10] netlink_unicast+0x449/0x710 [ 2223.180813][ T10] netlink_sendmsg+0x723/0xbe0 [ 2223.180813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2223.180813][ T10] ___sys_sendmsg+0xee/0x170 [ 2223.180813][ T10] __sys_sendmsg+0xcd/0x170 [ 2223.180813][ T10] do_syscall_64+0xc6/0x1e0 [ 2223.180813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2223.180813][ T10] [ 2223.183156][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2223.183156][ T10] netdev_get_by_index+0x5e/0x80 [ 2223.183156][ T10] fib6_nh_init+0x3d8/0x1580 [ 2223.183156][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2223.183156][ T10] ip6_route_add+0x1c/0x140 [ 2223.183156][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2223.183156][ T10] addrconf_add_dev+0xe2/0x170 [ 2223.183156][ T10] inet6_addr_add+0x12f/0xa40 [ 2223.183156][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2223.183156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2223.183156][ T10] netlink_rcv_skb+0x130/0x360 [ 2223.183156][ T10] netlink_unicast+0x449/0x710 [ 2223.183156][ T10] netlink_sendmsg+0x723/0xbe0 [ 2223.183156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2223.183156][ T10] ___sys_sendmsg+0xee/0x170 [ 2223.183156][ T10] __sys_sendmsg+0xcd/0x170 [ 2223.183156][ T10] do_syscall_64+0xc6/0x1e0 [ 2223.183156][ T10] [ 2223.185383][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2223.185383][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2223.185383][ T10] ipv6_find_idev+0x102/0x170 [ 2223.185383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2223.185383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2223.185383][ T10] netlink_rcv_skb+0x130/0x360 [ 2223.185383][ T10] netlink_unicast+0x449/0x710 [ 2223.185383][ T10] netlink_sendmsg+0x723/0xbe0 [ 2223.185383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2223.185383][ T10] ___sys_sendmsg+0xee/0x170 [ 2223.185383][ T10] __sys_sendmsg+0xcd/0x170 [ 2223.185383][ T10] do_syscall_64+0xc6/0x1e0 [ 2223.185383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2223.185383][ T10] [ 2223.186974][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2223.186974][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2223.186974][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2223.186974][ T10] ipv6_find_idev+0x102/0x170 [ 2223.186974][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2223.186974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2223.186974][ T10] netlink_rcv_skb+0x130/0x360 [ 2223.186974][ T10] netlink_unicast+0x449/0x710 [ 2223.186974][ T10] netlink_sendmsg+0x723/0xbe0 [ 2223.186974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2223.186974][ T10] ___sys_sendmsg+0xee/0x170 [ 2223.186974][ T10] __sys_sendmsg+0xcd/0x170 [ 2223.186974][ T10] do_syscall_64+0xc6/0x1e0 [ 2223.186974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2223.186974][ T10] [ 2223.188753][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2223.188989][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2223.188989][ T10] netdev_get_by_index+0x5e/0x80 [ 2223.188989][ T10] fib6_nh_init+0x3d8/0x1580 [ 2223.188989][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2223.188989][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2223.188989][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2223.188989][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2223.188989][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2223.188989][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2223.188989][ T10] addrconf_dad_begin+0x310/0x670 [ 2223.188989][ T10] addrconf_dad_work+0x10b/0xab0 [ 2223.188989][ T10] process_one_work+0x84d/0x18a0 [ 2223.188989][ T10] worker_thread+0x587/0xd30 [ 2223.188989][ T10] kthread+0x28a/0x350 [ 2223.188989][ T10] ret_from_fork+0x31/0x70 [ 2223.188989][ T10] ret_from_fork_asm+0x1a/0x30 [ 2223.188989][ T10] [ 2223.191010][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2223.191010][ T10] netdev_get_by_index+0x5e/0x80 [ 2223.191010][ T10] fib6_nh_init+0x3d8/0x1580 [ 2223.191010][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2223.191010][ T10] ip6_route_add+0x1c/0x140 [ 2223.191010][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2223.191010][ T10] inet6_addr_add+0x4f8/0xa40 [ 2223.191010][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2223.191010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2223.191010][ T10] netlink_rcv_skb+0x130/0x360 [ 2223.191010][ T10] netlink_unicast+0x449/0x710 [ 2223.191010][ T10] netlink_sendmsg+0x723/0xbe0 [ 2223.191010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2223.191010][ T10] ___sys_sendmsg+0xee/0x170 [ 2223.191010][ T10] __sys_sendmsg+0xcd/0x170 [ 2223.191010][ T10] do_syscall_64+0xc6/0x1e0 [ 2223.191010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2223.191010][ T10] [ 2223.193131][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2223.193131][ T10] netdev_get_by_index+0x5e/0x80 [ 2223.193131][ T10] fib6_nh_init+0x3d8/0x1580 [ 2223.193131][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2223.193131][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2223.193131][ T10] ipv6_add_addr+0x411/0x2000 [ 2223.193131][ T10] inet6_addr_add+0x30e/0xa40 [ 2223.193131][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2223.193131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2223.193131][ T10] netlink_rcv_skb+0x130/0x360 [ 2223.193131][ T10] netlink_unicast+0x449/0x710 [ 2223.193131][ T10] netlink_sendmsg+0x723/0xbe0 [ 2223.193131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2223.193131][ T10] ___sys_sendmsg+0xee/0x170 [ 2223.193131][ T10] __sys_sendmsg+0xcd/0x170 [ 2223.193131][ T10] do_syscall_64+0xc6/0x1e0 [ 2223.193131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2223.193131][ T10] [ 2223.195249][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2223.195249][ T10] netdev_get_by_index+0x5e/0x80 [ 2223.195249][ T10] fib6_nh_init+0x3d8/0x1580 [ 2223.195249][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2223.195249][ T10] ip6_route_add+0x1c/0x140 [ 2223.195249][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2223.195249][ T10] addrconf_add_dev+0xe2/0x170 [ 2223.195249][ T10] inet6_addr_add+0x12f/0xa40 [ 2223.195249][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2223.195249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2223.195249][ T10] netlink_rcv_skb+0x130/0x360 [ 2223.195249][ T10] netlink_unicast+0x449/0x710 [ 2223.195249][ T10] netlink_sendmsg+0x723/0xbe0 [ 2223.195249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2223.195249][ T10] ___sys_sendmsg+0xee/0x170 [ 2223.195249][ T10] __sys_sendmsg+0xcd/0x170 [ 2223.195249][ T10] do_syscall_64+0xc6/0x1e0 [ 2223.195249][ T10] [ 2223.197358][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2223.197358][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2223.197358][ T10] ipv6_find_idev+0x102/0x170 [ 2223.197358][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2223.197358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2223.197358][ T10] netlink_rcv_skb+0x130/0x360 [ 2223.197358][ T10] netlink_unicast+0x449/0x710 [ 2223.197358][ T10] netlink_sendmsg+0x723/0xbe0 [ 2223.197358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2223.197358][ T10] ___sys_sendmsg+0xee/0x170 [ 2223.197358][ T10] __sys_sendmsg+0xcd/0x170 [ 2223.197358][ T10] do_syscall_64+0xc6/0x1e0 [ 2223.197358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2223.197358][ T10] [ 2223.198981][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2223.198981][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2223.198981][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2223.198981][ T10] ipv6_find_idev+0x102/0x170 [ 2223.198981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2223.198981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2223.198981][ T10] netlink_rcv_skb+0x130/0x360 [ 2223.198981][ T10] netlink_unicast+0x449/0x710 [ 2223.198981][ T10] netlink_sendmsg+0x723/0xbe0 [ 2223.198981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2223.198981][ T10] ___sys_sendmsg+0xee/0x170 [ 2223.198981][ T10] __sys_sendmsg+0xcd/0x170 [ 2223.198981][ T10] do_syscall_64+0xc6/0x1e0 [ 2223.198981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2223.198981][ T10] [ 2227.313118][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2227.313596][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2227.313596][ T1167] dst_init+0x84/0x4a0 [ 2227.313596][ T1167] dst_alloc+0x97/0x150 [ 2227.313596][ T1167] ip6_dst_alloc+0x23/0x90 [ 2227.313596][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2227.313596][ T1167] ip6_pol_route+0x56f/0x840 [ 2227.313596][ T1167] fib6_rule_lookup+0x334/0x630 [ 2227.313596][ T1167] ip6_route_output_flags+0x259/0x480 [ 2227.313596][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2227.313596][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2227.313596][ T1167] netlink_rcv_skb+0x130/0x360 [ 2227.313596][ T1167] netlink_unicast+0x449/0x710 [ 2227.313596][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2227.313596][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2227.313596][ T1167] ___sys_sendmsg+0xee/0x170 [ 2227.313596][ T1167] __sys_sendmsg+0xcd/0x170 [ 2227.313596][ T1167] do_syscall_64+0xc6/0x1e0 [ 2227.313596][ T1167] [ 2227.316238][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2227.316238][ T1167] netdev_get_by_index+0x5e/0x80 [ 2227.316238][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2227.316238][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2227.316238][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2227.316238][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2227.316238][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2227.316238][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2227.316238][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2227.316238][ T1167] addrconf_dad_begin+0x310/0x670 [ 2227.316238][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2227.316238][ T1167] process_one_work+0x84d/0x18a0 [ 2227.316238][ T1167] worker_thread+0x587/0xd30 [ 2227.316238][ T1167] kthread+0x28a/0x350 [ 2227.316238][ T1167] ret_from_fork+0x31/0x70 [ 2227.316238][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2227.316238][ T1167] [ 2227.318816][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2227.318816][ T1167] netdev_get_by_index+0x5e/0x80 [ 2227.318816][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2227.318816][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2227.318816][ T1167] ip6_route_add+0x1c/0x140 [ 2227.318816][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2227.318816][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2227.318816][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2227.318816][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.318816][ T1167] netlink_rcv_skb+0x130/0x360 [ 2227.318816][ T1167] netlink_unicast+0x449/0x710 [ 2227.318816][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2227.318816][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2227.318816][ T1167] ___sys_sendmsg+0xee/0x170 [ 2227.318816][ T1167] __sys_sendmsg+0xcd/0x170 [ 2227.318816][ T1167] do_syscall_64+0xc6/0x1e0 [ 2227.318816][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.318816][ T1167] [ 2227.321510][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2227.321510][ T1167] netdev_get_by_index+0x5e/0x80 [ 2227.321510][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2227.321510][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2227.321510][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2227.321510][ T1167] ipv6_add_addr+0x411/0x2000 [ 2227.321510][ T1167] inet6_addr_add+0x30e/0xa40 [ 2227.321510][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2227.321510][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.321510][ T1167] netlink_rcv_skb+0x130/0x360 [ 2227.321510][ T1167] netlink_unicast+0x449/0x710 [ 2227.321510][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2227.321510][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2227.321510][ T1167] ___sys_sendmsg+0xee/0x170 [ 2227.321510][ T1167] __sys_sendmsg+0xcd/0x170 [ 2227.321510][ T1167] do_syscall_64+0xc6/0x1e0 [ 2227.321510][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.321510][ T1167] [ 2227.324189][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2227.324189][ T1167] netdev_get_by_index+0x5e/0x80 [ 2227.324189][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2227.324189][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2227.324189][ T1167] ip6_route_add+0x1c/0x140 [ 2227.324189][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2227.324189][ T1167] addrconf_add_dev+0xe2/0x170 [ 2227.324189][ T1167] inet6_addr_add+0x12f/0xa40 [ 2227.324189][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2227.324189][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.324189][ T1167] netlink_rcv_skb+0x130/0x360 [ 2227.324189][ T1167] netlink_unicast+0x449/0x710 [ 2227.324189][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2227.324189][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2227.324189][ T1167] ___sys_sendmsg+0xee/0x170 [ 2227.324189][ T1167] __sys_sendmsg+0xcd/0x170 [ 2227.324189][ T1167] do_syscall_64+0xc6/0x1e0 [ 2227.324189][ T1167] [ 2227.326825][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2227.326825][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2227.326825][ T1167] ipv6_find_idev+0x102/0x170 [ 2227.326825][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2227.326825][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.326825][ T1167] netlink_rcv_skb+0x130/0x360 [ 2227.326825][ T1167] netlink_unicast+0x449/0x710 [ 2227.326825][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2227.326825][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2227.326825][ T1167] ___sys_sendmsg+0xee/0x170 [ 2227.326825][ T1167] __sys_sendmsg+0xcd/0x170 [ 2227.326825][ T1167] do_syscall_64+0xc6/0x1e0 [ 2227.326825][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.326825][ T1167] [ 2227.328898][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2227.328898][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2227.328898][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2227.328898][ T1167] ipv6_find_idev+0x102/0x170 [ 2227.328898][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2227.328898][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.328898][ T1167] netlink_rcv_skb+0x130/0x360 [ 2227.328898][ T1167] netlink_unicast+0x449/0x710 [ 2227.328898][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2227.328898][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2227.328898][ T1167] ___sys_sendmsg+0xee/0x170 [ 2227.328898][ T1167] __sys_sendmsg+0xcd/0x170 [ 2227.328898][ T1167] do_syscall_64+0xc6/0x1e0 [ 2227.328898][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.328898][ T1167] [ 2233.217238][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2233.217596][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2233.217596][ T10] netdev_get_by_index+0x5e/0x80 [ 2233.217596][ T10] fib6_nh_init+0x3d8/0x1580 [ 2233.217596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2233.217596][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2233.217596][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2233.217596][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2233.217596][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2233.217596][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2233.217596][ T10] addrconf_dad_begin+0x310/0x670 [ 2233.217596][ T10] addrconf_dad_work+0x10b/0xab0 [ 2233.217596][ T10] process_one_work+0x84d/0x18a0 [ 2233.217596][ T10] worker_thread+0x587/0xd30 [ 2233.217596][ T10] kthread+0x28a/0x350 [ 2233.217596][ T10] ret_from_fork+0x31/0x70 [ 2233.217596][ T10] ret_from_fork_asm+0x1a/0x30 [ 2233.217596][ T10] [ 2233.219519][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2233.219519][ T10] netdev_get_by_index+0x5e/0x80 [ 2233.219519][ T10] fib6_nh_init+0x3d8/0x1580 [ 2233.219519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2233.219519][ T10] ip6_route_add+0x1c/0x140 [ 2233.219519][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2233.219519][ T10] inet6_addr_add+0x4f8/0xa40 [ 2233.219519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2233.219519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2233.219519][ T10] netlink_rcv_skb+0x130/0x360 [ 2233.219519][ T10] netlink_unicast+0x449/0x710 [ 2233.219519][ T10] netlink_sendmsg+0x723/0xbe0 [ 2233.219519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2233.219519][ T10] ___sys_sendmsg+0xee/0x170 [ 2233.219519][ T10] __sys_sendmsg+0xcd/0x170 [ 2233.219519][ T10] do_syscall_64+0xc6/0x1e0 [ 2233.219519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2233.219519][ T10] [ 2233.221512][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2233.221512][ T10] netdev_get_by_index+0x5e/0x80 [ 2233.221512][ T10] fib6_nh_init+0x3d8/0x1580 [ 2233.221512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2233.221512][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2233.221512][ T10] ipv6_add_addr+0x411/0x2000 [ 2233.221512][ T10] inet6_addr_add+0x30e/0xa40 [ 2233.221512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2233.221512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2233.221512][ T10] netlink_rcv_skb+0x130/0x360 [ 2233.221512][ T10] netlink_unicast+0x449/0x710 [ 2233.221512][ T10] netlink_sendmsg+0x723/0xbe0 [ 2233.221512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2233.221512][ T10] ___sys_sendmsg+0xee/0x170 [ 2233.221512][ T10] __sys_sendmsg+0xcd/0x170 [ 2233.221512][ T10] do_syscall_64+0xc6/0x1e0 [ 2233.221512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2233.221512][ T10] [ 2233.223500][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2233.223500][ T10] netdev_get_by_index+0x5e/0x80 [ 2233.223500][ T10] fib6_nh_init+0x3d8/0x1580 [ 2233.223500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2233.223500][ T10] ip6_route_add+0x1c/0x140 [ 2233.223500][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2233.223500][ T10] addrconf_add_dev+0xe2/0x170 [ 2233.223500][ T10] inet6_addr_add+0x12f/0xa40 [ 2233.223500][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2233.223500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2233.223500][ T10] netlink_rcv_skb+0x130/0x360 [ 2233.223500][ T10] netlink_unicast+0x449/0x710 [ 2233.223500][ T10] netlink_sendmsg+0x723/0xbe0 [ 2233.223500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2233.223500][ T10] ___sys_sendmsg+0xee/0x170 [ 2233.223500][ T10] __sys_sendmsg+0xcd/0x170 [ 2233.223500][ T10] do_syscall_64+0xc6/0x1e0 [ 2233.223500][ T10] [ 2233.225470][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2233.225470][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2233.225470][ T10] ipv6_find_idev+0x102/0x170 [ 2233.225470][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2233.225470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2233.225470][ T10] netlink_rcv_skb+0x130/0x360 [ 2233.225470][ T10] netlink_unicast+0x449/0x710 [ 2233.225470][ T10] netlink_sendmsg+0x723/0xbe0 [ 2233.225470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2233.225470][ T10] ___sys_sendmsg+0xee/0x170 [ 2233.225470][ T10] __sys_sendmsg+0xcd/0x170 [ 2233.225470][ T10] do_syscall_64+0xc6/0x1e0 [ 2233.225470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2233.225470][ T10] [ 2233.227009][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2233.227009][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2233.227009][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2233.227009][ T10] ipv6_find_idev+0x102/0x170 [ 2233.227009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2233.227009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2233.227009][ T10] netlink_rcv_skb+0x130/0x360 [ 2233.227009][ T10] netlink_unicast+0x449/0x710 [ 2233.227009][ T10] netlink_sendmsg+0x723/0xbe0 [ 2233.227009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2233.227009][ T10] ___sys_sendmsg+0xee/0x170 [ 2233.227009][ T10] __sys_sendmsg+0xcd/0x170 [ 2233.227009][ T10] do_syscall_64+0xc6/0x1e0 [ 2233.227009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2233.227009][ T10] [ 2233.228711][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2233.228960][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2233.228960][ T10] netdev_get_by_index+0x5e/0x80 [ 2233.228960][ T10] fib6_nh_init+0x3d8/0x1580 [ 2233.228960][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2233.228960][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2233.228960][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2233.228960][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2233.228960][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2233.228960][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2233.228960][ T10] addrconf_dad_begin+0x310/0x670 [ 2233.228960][ T10] addrconf_dad_work+0x10b/0xab0 [ 2233.228960][ T10] process_one_work+0x84d/0x18a0 [ 2233.228960][ T10] worker_thread+0x587/0xd30 [ 2233.228960][ T10] kthread+0x28a/0x350 [ 2233.228960][ T10] ret_from_fork+0x31/0x70 [ 2233.228960][ T10] ret_from_fork_asm+0x1a/0x30 [ 2233.228960][ T10] [ 2233.230865][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2233.230865][ T10] netdev_get_by_index+0x5e/0x80 [ 2233.230865][ T10] fib6_nh_init+0x3d8/0x1580 [ 2233.230865][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2233.230865][ T10] ip6_route_add+0x1c/0x140 [ 2233.230865][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2233.230865][ T10] inet6_addr_add+0x4f8/0xa40 [ 2233.230865][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2233.230865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2233.230865][ T10] netlink_rcv_skb+0x130/0x360 [ 2233.230865][ T10] netlink_unicast+0x449/0x710 [ 2233.230865][ T10] netlink_sendmsg+0x723/0xbe0 [ 2233.230865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2233.230865][ T10] ___sys_sendmsg+0xee/0x170 [ 2233.230865][ T10] __sys_sendmsg+0xcd/0x170 [ 2233.230865][ T10] do_syscall_64+0xc6/0x1e0 [ 2233.230865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2233.230865][ T10] [ 2233.232855][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2233.232855][ T10] netdev_get_by_index+0x5e/0x80 [ 2233.232855][ T10] fib6_nh_init+0x3d8/0x1580 [ 2233.232855][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2233.232855][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2233.232855][ T10] ipv6_add_addr+0x411/0x2000 [ 2233.232855][ T10] inet6_addr_add+0x30e/0xa40 [ 2233.232855][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2233.232855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2233.232855][ T10] netlink_rcv_skb+0x130/0x360 [ 2233.232855][ T10] netlink_unicast+0x449/0x710 [ 2233.232855][ T10] netlink_sendmsg+0x723/0xbe0 [ 2233.232855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2233.232855][ T10] ___sys_sendmsg+0xee/0x170 [ 2233.232855][ T10] __sys_sendmsg+0xcd/0x170 [ 2233.232855][ T10] do_syscall_64+0xc6/0x1e0 [ 2233.232855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2233.232855][ T10] [ 2233.234843][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2233.234843][ T10] netdev_get_by_index+0x5e/0x80 [ 2233.234843][ T10] fib6_nh_init+0x3d8/0x1580 [ 2233.234843][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2233.234843][ T10] ip6_route_add+0x1c/0x140 [ 2233.234843][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2233.234843][ T10] addrconf_add_dev+0xe2/0x170 [ 2233.234843][ T10] inet6_addr_add+0x12f/0xa40 [ 2233.234843][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2233.234843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2233.234843][ T10] netlink_rcv_skb+0x130/0x360 [ 2233.234843][ T10] netlink_unicast+0x449/0x710 [ 2233.234843][ T10] netlink_sendmsg+0x723/0xbe0 [ 2233.234843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2233.234843][ T10] ___sys_sendmsg+0xee/0x170 [ 2233.234843][ T10] __sys_sendmsg+0xcd/0x170 [ 2233.234843][ T10] do_syscall_64+0xc6/0x1e0 [ 2233.234843][ T10] [ 2233.236794][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2233.236794][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2233.236794][ T10] ipv6_find_idev+0x102/0x170 [ 2233.236794][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2233.236794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2233.236794][ T10] netlink_rcv_skb+0x130/0x360 [ 2233.236794][ T10] netlink_unicast+0x449/0x710 [ 2233.236794][ T10] netlink_sendmsg+0x723/0xbe0 [ 2233.236794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2233.236794][ T10] ___sys_sendmsg+0xee/0x170 [ 2233.236794][ T10] __sys_sendmsg+0xcd/0x170 [ 2233.236794][ T10] do_syscall_64+0xc6/0x1e0 [ 2233.236794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2233.236794][ T10] [ 2233.238363][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2233.238363][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2233.238363][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2233.238363][ T10] ipv6_find_idev+0x102/0x170 [ 2233.238363][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2233.238363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2233.238363][ T10] netlink_rcv_skb+0x130/0x360 [ 2233.238363][ T10] netlink_unicast+0x449/0x710 [ 2233.238363][ T10] netlink_sendmsg+0x723/0xbe0 [ 2233.238363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2233.238363][ T10] ___sys_sendmsg+0xee/0x170 [ 2233.238363][ T10] __sys_sendmsg+0xcd/0x170 [ 2233.238363][ T10] do_syscall_64+0xc6/0x1e0 [ 2233.238363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2233.238363][ T10] [ 2233.240043][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2233.240287][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2233.240287][ T10] netdev_get_by_index+0x5e/0x80 [ 2233.240287][ T10] fib6_nh_init+0x3d8/0x1580 [ 2233.240287][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2233.240287][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2233.240287][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2233.240287][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2233.240287][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2233.240287][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2233.240287][ T10] addrconf_dad_begin+0x310/0x670 [ 2233.240287][ T10] addrconf_dad_work+0x10b/0xab0 [ 2233.240287][ T10] process_one_work+0x84d/0x18a0 [ 2233.240287][ T10] worker_thread+0x587/0xd30 [ 2233.240287][ T10] kthread+0x28a/0x350 [ 2233.240287][ T10] ret_from_fork+0x31/0x70 [ 2233.240287][ T10] ret_from_fork_asm+0x1a/0x30 [ 2233.240287][ T10] [ 2233.242196][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2233.242196][ T10] netdev_get_by_index+0x5e/0x80 [ 2233.242196][ T10] fib6_nh_init+0x3d8/0x1580 [ 2233.242196][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2233.242196][ T10] ip6_route_add+0x1c/0x140 [ 2233.242196][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2233.242196][ T10] inet6_addr_add+0x4f8/0xa40 [ 2233.242196][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2233.242196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2233.242196][ T10] netlink_rcv_skb+0x130/0x360 [ 2233.242196][ T10] netlink_unicast+0x449/0x710 [ 2233.242196][ T10] netlink_sendmsg+0x723/0xbe0 [ 2233.242196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2233.242196][ T10] ___sys_sendmsg+0xee/0x170 [ 2233.242196][ T10] __sys_sendmsg+0xcd/0x170 [ 2233.242196][ T10] do_syscall_64+0xc6/0x1e0 [ 2233.242196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2233.242196][ T10] [ 2233.245177][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2233.245177][ T10] netdev_get_by_index+0x5e/0x80 [ 2233.245177][ T10] fib6_nh_init+0x3d8/0x1580 [ 2233.245177][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2233.245177][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2233.245177][ T10] ipv6_add_addr+0x411/0x2000 [ 2233.245177][ T10] inet6_addr_add+0x30e/0xa40 [ 2233.245177][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2233.245177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2233.245177][ T10] netlink_rcv_skb+0x130/0x360 [ 2233.245177][ T10] netlink_unicast+0x449/0x710 [ 2233.245177][ T10] netlink_sendmsg+0x723/0xbe0 [ 2233.245177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2233.245177][ T10] ___sys_sendmsg+0xee/0x170 [ 2233.245177][ T10] __sys_sendmsg+0xcd/0x170 [ 2233.245177][ T10] do_syscall_64+0xc6/0x1e0 [ 2233.245177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2233.245177][ T10] [ 2233.248678][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2233.248678][ T10] netdev_get_by_index+0x5e/0x80 [ 2233.248678][ T10] fib6_nh_init+0x3d8/0x1580 [ 2233.248678][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2233.248678][ T10] ip6_route_add+0x1c/0x140 [ 2233.248678][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2233.248678][ T10] addrconf_add_dev+0xe2/0x170 [ 2233.248678][ T10] inet6_addr_add+0x12f/0xa40 [ 2233.248678][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2233.248678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2233.248678][ T10] netlink_rcv_skb+0x130/0x360 [ 2233.248678][ T10] netlink_unicast+0x449/0x710 [ 2233.248678][ T10] netlink_sendmsg+0x723/0xbe0 [ 2233.248678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2233.248678][ T10] ___sys_sendmsg+0xee/0x170 [ 2233.248678][ T10] __sys_sendmsg+0xcd/0x170 [ 2233.248678][ T10] do_syscall_64+0xc6/0x1e0 [ 2233.248678][ T10] [ 2233.252230][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2233.252230][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2233.252230][ T10] ipv6_find_idev+0x102/0x170 [ 2233.252230][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2233.252230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2233.252230][ T10] netlink_rcv_skb+0x130/0x360 [ 2233.252230][ T10] netlink_unicast+0x449/0x710 [ 2233.252230][ T10] netlink_sendmsg+0x723/0xbe0 [ 2233.252230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2233.252230][ T10] ___sys_sendmsg+0xee/0x170 [ 2233.252230][ T10] __sys_sendmsg+0xcd/0x170 [ 2233.252230][ T10] do_syscall_64+0xc6/0x1e0 [ 2233.252230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2233.252230][ T10] [ 2233.254801][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2233.254801][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2233.254801][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2233.254801][ T10] ipv6_find_idev+0x102/0x170 [ 2233.254801][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2233.254801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2233.254801][ T10] netlink_rcv_skb+0x130/0x360 [ 2233.254801][ T10] netlink_unicast+0x449/0x710 [ 2233.254801][ T10] netlink_sendmsg+0x723/0xbe0 [ 2233.254801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2233.254801][ T10] ___sys_sendmsg+0xee/0x170 [ 2233.254801][ T10] __sys_sendmsg+0xcd/0x170 [ 2233.254801][ T10] do_syscall_64+0xc6/0x1e0 [ 2233.254801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2233.254801][ T10] [ 2233.257447][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2233.257805][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2233.257805][ T10] netdev_get_by_index+0x5e/0x80 [ 2233.257805][ T10] fib6_nh_init+0x3d8/0x1580 [ 2233.257805][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2233.257805][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2233.257805][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2233.257805][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2233.257805][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2233.257805][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2233.257805][ T10] addrconf_dad_begin+0x310/0x670 [ 2233.257805][ T10] addrconf_dad_work+0x10b/0xab0 [ 2233.257805][ T10] process_one_work+0x84d/0x18a0 [ 2233.257805][ T10] worker_thread+0x587/0xd30 [ 2233.257805][ T10] kthread+0x28a/0x350 [ 2233.257805][ T10] ret_from_fork+0x31/0x70 [ 2233.257805][ T10] ret_from_fork_asm+0x1a/0x30 [ 2233.257805][ T10] [ 2233.261088][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2233.261088][ T10] netdev_get_by_index+0x5e/0x80 [ 2233.261088][ T10] fib6_nh_init+0x3d8/0x1580 [ 2233.261088][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2233.261088][ T10] ip6_route_add+0x1c/0x140 [ 2233.261088][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2233.261088][ T10] inet6_addr_add+0x4f8/0xa40 [ 2233.261088][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2233.261088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2233.261088][ T10] netlink_rcv_skb+0x130/0x360 [ 2233.261088][ T10] netlink_unicast+0x449/0x710 [ 2233.261088][ T10] netlink_sendmsg+0x723/0xbe0 [ 2233.261088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2233.261088][ T10] ___sys_sendmsg+0xee/0x170 [ 2233.261088][ T10] __sys_sendmsg+0xcd/0x170 [ 2233.261088][ T10] do_syscall_64+0xc6/0x1e0 [ 2233.261088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2233.261088][ T10] [ 2233.264762][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2233.264762][ T10] netdev_get_by_index+0x5e/0x80 [ 2233.264762][ T10] fib6_nh_init+0x3d8/0x1580 [ 2233.264762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2233.264762][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2233.264762][ T10] ipv6_add_addr+0x411/0x2000 [ 2233.264762][ T10] inet6_addr_add+0x30e/0xa40 [ 2233.264762][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2233.264762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2233.264762][ T10] netlink_rcv_skb+0x130/0x360 [ 2233.264762][ T10] netlink_unicast+0x449/0x710 [ 2233.264762][ T10] netlink_sendmsg+0x723/0xbe0 [ 2233.264762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2233.264762][ T10] ___sys_sendmsg+0xee/0x170 [ 2233.264762][ T10] __sys_sendmsg+0xcd/0x170 [ 2233.264762][ T10] do_syscall_64+0xc6/0x1e0 [ 2233.264762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2233.264762][ T10] [ 2233.268165][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2233.268165][ T10] netdev_get_by_index+0x5e/0x80 [ 2233.268165][ T10] fib6_nh_init+0x3d8/0x1580 [ 2233.268165][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2233.268165][ T10] ip6_route_add+0x1c/0x140 [ 2233.268165][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2233.268165][ T10] addrconf_add_dev+0xe2/0x170 [ 2233.268165][ T10] inet6_addr_add+0x12f/0xa40 [ 2233.268165][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2233.268165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2233.268165][ T10] netlink_rcv_skb+0x130/0x360 [ 2233.268165][ T10] netlink_unicast+0x449/0x710 [ 2233.268165][ T10] netlink_sendmsg+0x723/0xbe0 [ 2233.268165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2233.268165][ T10] ___sys_sendmsg+0xee/0x170 [ 2233.268165][ T10] __sys_sendmsg+0xcd/0x170 [ 2233.268165][ T10] do_syscall_64+0xc6/0x1e0 [ 2233.268165][ T10] [ 2233.271629][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2233.271629][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2233.271629][ T10] ipv6_find_idev+0x102/0x170 [ 2233.271629][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2233.271629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2233.271629][ T10] netlink_rcv_skb+0x130/0x360 [ 2233.271629][ T10] netlink_unicast+0x449/0x710 [ 2233.271629][ T10] netlink_sendmsg+0x723/0xbe0 [ 2233.271629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2233.271629][ T10] ___sys_sendmsg+0xee/0x170 [ 2233.271629][ T10] __sys_sendmsg+0xcd/0x170 [ 2233.271629][ T10] do_syscall_64+0xc6/0x1e0 [ 2233.271629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2233.271629][ T10] [ 2233.274355][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2233.274355][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2233.274355][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2233.274355][ T10] ipv6_find_idev+0x102/0x170 [ 2233.274355][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2233.274355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2233.274355][ T10] netlink_rcv_skb+0x130/0x360 [ 2233.274355][ T10] netlink_unicast+0x449/0x710 [ 2233.274355][ T10] netlink_sendmsg+0x723/0xbe0 [ 2233.274355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2233.274355][ T10] ___sys_sendmsg+0xee/0x170 [ 2233.274355][ T10] __sys_sendmsg+0xcd/0x170 [ 2233.274355][ T10] do_syscall_64+0xc6/0x1e0 [ 2233.274355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2233.274355][ T10] [ 2237.569132][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2237.569596][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2237.569596][ T1167] dst_init+0x84/0x4a0 [ 2237.569596][ T1167] dst_alloc+0x97/0x150 [ 2237.569596][ T1167] ip6_dst_alloc+0x23/0x90 [ 2237.569596][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2237.569596][ T1167] ip6_pol_route+0x56f/0x840 [ 2237.569596][ T1167] fib6_rule_lookup+0x334/0x630 [ 2237.569596][ T1167] ip6_route_output_flags+0x259/0x480 [ 2237.569596][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2237.569596][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2237.569596][ T1167] netlink_rcv_skb+0x130/0x360 [ 2237.569596][ T1167] netlink_unicast+0x449/0x710 [ 2237.569596][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2237.569596][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2237.569596][ T1167] ___sys_sendmsg+0xee/0x170 [ 2237.569596][ T1167] __sys_sendmsg+0xcd/0x170 [ 2237.569596][ T1167] do_syscall_64+0xc6/0x1e0 [ 2237.569596][ T1167] [ 2237.571801][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2237.571801][ T1167] netdev_get_by_index+0x5e/0x80 [ 2237.571801][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2237.571801][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2237.571801][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2237.571801][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2237.571801][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2237.571801][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2237.571801][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2237.571801][ T1167] addrconf_dad_begin+0x310/0x670 [ 2237.571801][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2237.571801][ T1167] process_one_work+0x84d/0x18a0 [ 2237.571801][ T1167] worker_thread+0x587/0xd30 [ 2237.571801][ T1167] kthread+0x28a/0x350 [ 2237.571801][ T1167] ret_from_fork+0x31/0x70 [ 2237.571801][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2237.571801][ T1167] [ 2237.573937][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2237.573937][ T1167] netdev_get_by_index+0x5e/0x80 [ 2237.573937][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2237.573937][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2237.573937][ T1167] ip6_route_add+0x1c/0x140 [ 2237.573937][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2237.573937][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2237.573937][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.573937][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.573937][ T1167] netlink_rcv_skb+0x130/0x360 [ 2237.573937][ T1167] netlink_unicast+0x449/0x710 [ 2237.573937][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2237.573937][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2237.573937][ T1167] ___sys_sendmsg+0xee/0x170 [ 2237.573937][ T1167] __sys_sendmsg+0xcd/0x170 [ 2237.573937][ T1167] do_syscall_64+0xc6/0x1e0 [ 2237.573937][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.573937][ T1167] [ 2237.576174][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2237.576174][ T1167] netdev_get_by_index+0x5e/0x80 [ 2237.576174][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2237.576174][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2237.576174][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2237.576174][ T1167] ipv6_add_addr+0x411/0x2000 [ 2237.576174][ T1167] inet6_addr_add+0x30e/0xa40 [ 2237.576174][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.576174][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.576174][ T1167] netlink_rcv_skb+0x130/0x360 [ 2237.576174][ T1167] netlink_unicast+0x449/0x710 [ 2237.576174][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2237.576174][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2237.576174][ T1167] ___sys_sendmsg+0xee/0x170 [ 2237.576174][ T1167] __sys_sendmsg+0xcd/0x170 [ 2237.576174][ T1167] do_syscall_64+0xc6/0x1e0 [ 2237.576174][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.576174][ T1167] [ 2237.578424][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2237.578424][ T1167] netdev_get_by_index+0x5e/0x80 [ 2237.578424][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2237.578424][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2237.578424][ T1167] ip6_route_add+0x1c/0x140 [ 2237.578424][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2237.578424][ T1167] addrconf_add_dev+0xe2/0x170 [ 2237.578424][ T1167] inet6_addr_add+0x12f/0xa40 [ 2237.578424][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.578424][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.578424][ T1167] netlink_rcv_skb+0x130/0x360 [ 2237.578424][ T1167] netlink_unicast+0x449/0x710 [ 2237.578424][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2237.578424][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2237.578424][ T1167] ___sys_sendmsg+0xee/0x170 [ 2237.578424][ T1167] __sys_sendmsg+0xcd/0x170 [ 2237.578424][ T1167] do_syscall_64+0xc6/0x1e0 [ 2237.578424][ T1167] [ 2237.580620][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2237.580620][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2237.580620][ T1167] ipv6_find_idev+0x102/0x170 [ 2237.580620][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2237.580620][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.580620][ T1167] netlink_rcv_skb+0x130/0x360 [ 2237.580620][ T1167] netlink_unicast+0x449/0x710 [ 2237.580620][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2237.580620][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2237.580620][ T1167] ___sys_sendmsg+0xee/0x170 [ 2237.580620][ T1167] __sys_sendmsg+0xcd/0x170 [ 2237.580620][ T1167] do_syscall_64+0xc6/0x1e0 [ 2237.580620][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.580620][ T1167] [ 2237.582339][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2237.582339][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2237.582339][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2237.582339][ T1167] ipv6_find_idev+0x102/0x170 [ 2237.582339][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2237.582339][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.582339][ T1167] netlink_rcv_skb+0x130/0x360 [ 2237.582339][ T1167] netlink_unicast+0x449/0x710 [ 2237.582339][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2237.582339][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2237.582339][ T1167] ___sys_sendmsg+0xee/0x170 [ 2237.582339][ T1167] __sys_sendmsg+0xcd/0x170 [ 2237.582339][ T1167] do_syscall_64+0xc6/0x1e0 [ 2237.582339][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.582339][ T1167] [ 2243.513052][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2243.513466][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2243.513466][ T10] netdev_get_by_index+0x5e/0x80 [ 2243.513466][ T10] fib6_nh_init+0x3d8/0x1580 [ 2243.513466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2243.513466][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2243.513466][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2243.513466][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2243.513466][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2243.513466][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2243.513466][ T10] addrconf_dad_begin+0x310/0x670 [ 2243.513466][ T10] addrconf_dad_work+0x10b/0xab0 [ 2243.513466][ T10] process_one_work+0x84d/0x18a0 [ 2243.513466][ T10] worker_thread+0x587/0xd30 [ 2243.513466][ T10] kthread+0x28a/0x350 [ 2243.513466][ T10] ret_from_fork+0x31/0x70 [ 2243.513466][ T10] ret_from_fork_asm+0x1a/0x30 [ 2243.513466][ T10] [ 2243.515382][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2243.515382][ T10] netdev_get_by_index+0x5e/0x80 [ 2243.515382][ T10] fib6_nh_init+0x3d8/0x1580 [ 2243.515382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2243.515382][ T10] ip6_route_add+0x1c/0x140 [ 2243.515382][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2243.515382][ T10] inet6_addr_add+0x4f8/0xa40 [ 2243.515382][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2243.515382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2243.515382][ T10] netlink_rcv_skb+0x130/0x360 [ 2243.515382][ T10] netlink_unicast+0x449/0x710 [ 2243.515382][ T10] netlink_sendmsg+0x723/0xbe0 [ 2243.515382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2243.515382][ T10] ___sys_sendmsg+0xee/0x170 [ 2243.515382][ T10] __sys_sendmsg+0xcd/0x170 [ 2243.515382][ T10] do_syscall_64+0xc6/0x1e0 [ 2243.515382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2243.515382][ T10] [ 2243.517371][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2243.517371][ T10] netdev_get_by_index+0x5e/0x80 [ 2243.517371][ T10] fib6_nh_init+0x3d8/0x1580 [ 2243.517371][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2243.517371][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2243.517371][ T10] ipv6_add_addr+0x411/0x2000 [ 2243.517371][ T10] inet6_addr_add+0x30e/0xa40 [ 2243.517371][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2243.517371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2243.517371][ T10] netlink_rcv_skb+0x130/0x360 [ 2243.517371][ T10] netlink_unicast+0x449/0x710 [ 2243.517371][ T10] netlink_sendmsg+0x723/0xbe0 [ 2243.517371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2243.517371][ T10] ___sys_sendmsg+0xee/0x170 [ 2243.517371][ T10] __sys_sendmsg+0xcd/0x170 [ 2243.517371][ T10] do_syscall_64+0xc6/0x1e0 [ 2243.517371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2243.517371][ T10] [ 2243.519377][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2243.519377][ T10] netdev_get_by_index+0x5e/0x80 [ 2243.519377][ T10] fib6_nh_init+0x3d8/0x1580 [ 2243.519377][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2243.519377][ T10] ip6_route_add+0x1c/0x140 [ 2243.519377][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2243.519377][ T10] addrconf_add_dev+0xe2/0x170 [ 2243.519377][ T10] inet6_addr_add+0x12f/0xa40 [ 2243.519377][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2243.519377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2243.519377][ T10] netlink_rcv_skb+0x130/0x360 [ 2243.519377][ T10] netlink_unicast+0x449/0x710 [ 2243.519377][ T10] netlink_sendmsg+0x723/0xbe0 [ 2243.519377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2243.519377][ T10] ___sys_sendmsg+0xee/0x170 [ 2243.519377][ T10] __sys_sendmsg+0xcd/0x170 [ 2243.519377][ T10] do_syscall_64+0xc6/0x1e0 [ 2243.519377][ T10] [ 2243.521347][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2243.521347][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2243.521347][ T10] ipv6_find_idev+0x102/0x170 [ 2243.521347][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2243.521347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2243.521347][ T10] netlink_rcv_skb+0x130/0x360 [ 2243.521347][ T10] netlink_unicast+0x449/0x710 [ 2243.521347][ T10] netlink_sendmsg+0x723/0xbe0 [ 2243.521347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2243.521347][ T10] ___sys_sendmsg+0xee/0x170 [ 2243.521347][ T10] __sys_sendmsg+0xcd/0x170 [ 2243.521347][ T10] do_syscall_64+0xc6/0x1e0 [ 2243.521347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2243.521347][ T10] [ 2243.522887][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2243.522887][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2243.522887][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2243.522887][ T10] ipv6_find_idev+0x102/0x170 [ 2243.522887][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2243.522887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2243.522887][ T10] netlink_rcv_skb+0x130/0x360 [ 2243.522887][ T10] netlink_unicast+0x449/0x710 [ 2243.522887][ T10] netlink_sendmsg+0x723/0xbe0 [ 2243.522887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2243.522887][ T10] ___sys_sendmsg+0xee/0x170 [ 2243.522887][ T10] __sys_sendmsg+0xcd/0x170 [ 2243.522887][ T10] do_syscall_64+0xc6/0x1e0 [ 2243.522887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2243.522887][ T10] [ 2243.524574][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2243.524815][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2243.524815][ T10] netdev_get_by_index+0x5e/0x80 [ 2243.524815][ T10] fib6_nh_init+0x3d8/0x1580 [ 2243.524815][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2243.524815][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2243.524815][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2243.524815][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2243.524815][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2243.524815][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2243.524815][ T10] addrconf_dad_begin+0x310/0x670 [ 2243.524815][ T10] addrconf_dad_work+0x10b/0xab0 [ 2243.524815][ T10] process_one_work+0x84d/0x18a0 [ 2243.524815][ T10] worker_thread+0x587/0xd30 [ 2243.524815][ T10] kthread+0x28a/0x350 [ 2243.524815][ T10] ret_from_fork+0x31/0x70 [ 2243.524815][ T10] ret_from_fork_asm+0x1a/0x30 [ 2243.524815][ T10] [ 2243.526719][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2243.526719][ T10] netdev_get_by_index+0x5e/0x80 [ 2243.526719][ T10] fib6_nh_init+0x3d8/0x1580 [ 2243.526719][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2243.526719][ T10] ip6_route_add+0x1c/0x140 [ 2243.526719][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2243.526719][ T10] inet6_addr_add+0x4f8/0xa40 [ 2243.526719][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2243.526719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2243.526719][ T10] netlink_rcv_skb+0x130/0x360 [ 2243.526719][ T10] netlink_unicast+0x449/0x710 [ 2243.526719][ T10] netlink_sendmsg+0x723/0xbe0 [ 2243.526719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2243.526719][ T10] ___sys_sendmsg+0xee/0x170 [ 2243.526719][ T10] __sys_sendmsg+0xcd/0x170 [ 2243.526719][ T10] do_syscall_64+0xc6/0x1e0 [ 2243.526719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2243.526719][ T10] [ 2243.528714][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2243.528714][ T10] netdev_get_by_index+0x5e/0x80 [ 2243.528714][ T10] fib6_nh_init+0x3d8/0x1580 [ 2243.528714][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2243.528714][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2243.528714][ T10] ipv6_add_addr+0x411/0x2000 [ 2243.528714][ T10] inet6_addr_add+0x30e/0xa40 [ 2243.528714][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2243.528714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2243.528714][ T10] netlink_rcv_skb+0x130/0x360 [ 2243.528714][ T10] netlink_unicast+0x449/0x710 [ 2243.528714][ T10] netlink_sendmsg+0x723/0xbe0 [ 2243.528714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2243.528714][ T10] ___sys_sendmsg+0xee/0x170 [ 2243.528714][ T10] __sys_sendmsg+0xcd/0x170 [ 2243.528714][ T10] do_syscall_64+0xc6/0x1e0 [ 2243.528714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2243.528714][ T10] [ 2243.530711][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2243.530711][ T10] netdev_get_by_index+0x5e/0x80 [ 2243.530711][ T10] fib6_nh_init+0x3d8/0x1580 [ 2243.530711][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2243.530711][ T10] ip6_route_add+0x1c/0x140 [ 2243.530711][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2243.530711][ T10] addrconf_add_dev+0xe2/0x170 [ 2243.530711][ T10] inet6_addr_add+0x12f/0xa40 [ 2243.530711][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2243.530711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2243.530711][ T10] netlink_rcv_skb+0x130/0x360 [ 2243.530711][ T10] netlink_unicast+0x449/0x710 [ 2243.530711][ T10] netlink_sendmsg+0x723/0xbe0 [ 2243.530711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2243.530711][ T10] ___sys_sendmsg+0xee/0x170 [ 2243.530711][ T10] __sys_sendmsg+0xcd/0x170 [ 2243.530711][ T10] do_syscall_64+0xc6/0x1e0 [ 2243.530711][ T10] [ 2243.532675][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2243.532675][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2243.532675][ T10] ipv6_find_idev+0x102/0x170 [ 2243.532675][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2243.532675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2243.532675][ T10] netlink_rcv_skb+0x130/0x360 [ 2243.532675][ T10] netlink_unicast+0x449/0x710 [ 2243.532675][ T10] netlink_sendmsg+0x723/0xbe0 [ 2243.532675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2243.532675][ T10] ___sys_sendmsg+0xee/0x170 [ 2243.532675][ T10] __sys_sendmsg+0xcd/0x170 [ 2243.532675][ T10] do_syscall_64+0xc6/0x1e0 [ 2243.532675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2243.532675][ T10] [ 2243.534206][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2243.534206][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2243.534206][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2243.534206][ T10] ipv6_find_idev+0x102/0x170 [ 2243.534206][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2243.534206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2243.534206][ T10] netlink_rcv_skb+0x130/0x360 [ 2243.534206][ T10] netlink_unicast+0x449/0x710 [ 2243.534206][ T10] netlink_sendmsg+0x723/0xbe0 [ 2243.534206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2243.534206][ T10] ___sys_sendmsg+0xee/0x170 [ 2243.534206][ T10] __sys_sendmsg+0xcd/0x170 [ 2243.534206][ T10] do_syscall_64+0xc6/0x1e0 [ 2243.534206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2243.534206][ T10] [ 2243.535897][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2243.536148][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2243.536148][ T10] netdev_get_by_index+0x5e/0x80 [ 2243.536148][ T10] fib6_nh_init+0x3d8/0x1580 [ 2243.536148][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2243.536148][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2243.536148][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2243.536148][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2243.536148][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2243.536148][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2243.536148][ T10] addrconf_dad_begin+0x310/0x670 [ 2243.536148][ T10] addrconf_dad_work+0x10b/0xab0 [ 2243.536148][ T10] process_one_work+0x84d/0x18a0 [ 2243.536148][ T10] worker_thread+0x587/0xd30 [ 2243.536148][ T10] kthread+0x28a/0x350 [ 2243.536148][ T10] ret_from_fork+0x31/0x70 [ 2243.536148][ T10] ret_from_fork_asm+0x1a/0x30 [ 2243.536148][ T10] [ 2243.538064][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2243.538064][ T10] netdev_get_by_index+0x5e/0x80 [ 2243.538064][ T10] fib6_nh_init+0x3d8/0x1580 [ 2243.538064][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2243.538064][ T10] ip6_route_add+0x1c/0x140 [ 2243.538064][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2243.538064][ T10] inet6_addr_add+0x4f8/0xa40 [ 2243.538064][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2243.538064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2243.538064][ T10] netlink_rcv_skb+0x130/0x360 [ 2243.538064][ T10] netlink_unicast+0x449/0x710 [ 2243.538064][ T10] netlink_sendmsg+0x723/0xbe0 [ 2243.538064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2243.538064][ T10] ___sys_sendmsg+0xee/0x170 [ 2243.538064][ T10] __sys_sendmsg+0xcd/0x170 [ 2243.538064][ T10] do_syscall_64+0xc6/0x1e0 [ 2243.538064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2243.538064][ T10] [ 2243.540239][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2243.540239][ T10] netdev_get_by_index+0x5e/0x80 [ 2243.540239][ T10] fib6_nh_init+0x3d8/0x1580 [ 2243.540239][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2243.540239][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2243.540239][ T10] ipv6_add_addr+0x411/0x2000 [ 2243.540239][ T10] inet6_addr_add+0x30e/0xa40 [ 2243.540239][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2243.540239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2243.540239][ T10] netlink_rcv_skb+0x130/0x360 [ 2243.540239][ T10] netlink_unicast+0x449/0x710 [ 2243.540239][ T10] netlink_sendmsg+0x723/0xbe0 [ 2243.540239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2243.540239][ T10] ___sys_sendmsg+0xee/0x170 [ 2243.540239][ T10] __sys_sendmsg+0xcd/0x170 [ 2243.540239][ T10] do_syscall_64+0xc6/0x1e0 [ 2243.540239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2243.540239][ T10] [ 2243.542532][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2243.542532][ T10] netdev_get_by_index+0x5e/0x80 [ 2243.542532][ T10] fib6_nh_init+0x3d8/0x1580 [ 2243.542532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2243.542532][ T10] ip6_route_add+0x1c/0x140 [ 2243.542532][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2243.542532][ T10] addrconf_add_dev+0xe2/0x170 [ 2243.542532][ T10] inet6_addr_add+0x12f/0xa40 [ 2243.542532][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2243.542532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2243.542532][ T10] netlink_rcv_skb+0x130/0x360 [ 2243.542532][ T10] netlink_unicast+0x449/0x710 [ 2243.542532][ T10] netlink_sendmsg+0x723/0xbe0 [ 2243.542532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2243.542532][ T10] ___sys_sendmsg+0xee/0x170 [ 2243.542532][ T10] __sys_sendmsg+0xcd/0x170 [ 2243.542532][ T10] do_syscall_64+0xc6/0x1e0 [ 2243.542532][ T10] [ 2243.544729][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2243.544729][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2243.544729][ T10] ipv6_find_idev+0x102/0x170 [ 2243.544729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2243.544729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2243.544729][ T10] netlink_rcv_skb+0x130/0x360 [ 2243.544729][ T10] netlink_unicast+0x449/0x710 [ 2243.544729][ T10] netlink_sendmsg+0x723/0xbe0 [ 2243.544729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2243.544729][ T10] ___sys_sendmsg+0xee/0x170 [ 2243.544729][ T10] __sys_sendmsg+0xcd/0x170 [ 2243.544729][ T10] do_syscall_64+0xc6/0x1e0 [ 2243.544729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2243.544729][ T10] [ 2243.546438][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2243.546438][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2243.546438][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2243.546438][ T10] ipv6_find_idev+0x102/0x170 [ 2243.546438][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2243.546438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2243.546438][ T10] netlink_rcv_skb+0x130/0x360 [ 2243.546438][ T10] netlink_unicast+0x449/0x710 [ 2243.546438][ T10] netlink_sendmsg+0x723/0xbe0 [ 2243.546438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2243.546438][ T10] ___sys_sendmsg+0xee/0x170 [ 2243.546438][ T10] __sys_sendmsg+0xcd/0x170 [ 2243.546438][ T10] do_syscall_64+0xc6/0x1e0 [ 2243.546438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2243.546438][ T10] [ 2243.548305][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2243.548546][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2243.548546][ T10] netdev_get_by_index+0x5e/0x80 [ 2243.548546][ T10] fib6_nh_init+0x3d8/0x1580 [ 2243.548546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2243.548546][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2243.548546][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2243.548546][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2243.548546][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2243.548546][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2243.548546][ T10] addrconf_dad_begin+0x310/0x670 [ 2243.548546][ T10] addrconf_dad_work+0x10b/0xab0 [ 2243.548546][ T10] process_one_work+0x84d/0x18a0 [ 2243.548546][ T10] worker_thread+0x587/0xd30 [ 2243.548546][ T10] kthread+0x28a/0x350 [ 2243.548546][ T10] ret_from_fork+0x31/0x70 [ 2243.548546][ T10] ret_from_fork_asm+0x1a/0x30 [ 2243.548546][ T10] [ 2243.550752][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2243.550752][ T10] netdev_get_by_index+0x5e/0x80 [ 2243.550752][ T10] fib6_nh_init+0x3d8/0x1580 [ 2243.550752][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2243.550752][ T10] ip6_route_add+0x1c/0x140 [ 2243.550752][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2243.550752][ T10] inet6_addr_add+0x4f8/0xa40 [ 2243.550752][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2243.550752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2243.550752][ T10] netlink_rcv_skb+0x130/0x360 [ 2243.550752][ T10] netlink_unicast+0x449/0x710 [ 2243.550752][ T10] netlink_sendmsg+0x723/0xbe0 [ 2243.550752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2243.550752][ T10] ___sys_sendmsg+0xee/0x170 [ 2243.550752][ T10] __sys_sendmsg+0xcd/0x170 [ 2243.550752][ T10] do_syscall_64+0xc6/0x1e0 [ 2243.550752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2243.550752][ T10] [ 2243.552980][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2243.552980][ T10] netdev_get_by_index+0x5e/0x80 [ 2243.552980][ T10] fib6_nh_init+0x3d8/0x1580 [ 2243.552980][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2243.552980][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2243.552980][ T10] ipv6_add_addr+0x411/0x2000 [ 2243.552980][ T10] inet6_addr_add+0x30e/0xa40 [ 2243.552980][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2243.552980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2243.552980][ T10] netlink_rcv_skb+0x130/0x360 [ 2243.552980][ T10] netlink_unicast+0x449/0x710 [ 2243.552980][ T10] netlink_sendmsg+0x723/0xbe0 [ 2243.552980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2243.552980][ T10] ___sys_sendmsg+0xee/0x170 [ 2243.552980][ T10] __sys_sendmsg+0xcd/0x170 [ 2243.552980][ T10] do_syscall_64+0xc6/0x1e0 [ 2243.552980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2243.552980][ T10] [ 2243.555154][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2243.555154][ T10] netdev_get_by_index+0x5e/0x80 [ 2243.555154][ T10] fib6_nh_init+0x3d8/0x1580 [ 2243.555154][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2243.555154][ T10] ip6_route_add+0x1c/0x140 [ 2243.555154][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2243.555154][ T10] addrconf_add_dev+0xe2/0x170 [ 2243.555154][ T10] inet6_addr_add+0x12f/0xa40 [ 2243.555154][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2243.555154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2243.555154][ T10] netlink_rcv_skb+0x130/0x360 [ 2243.555154][ T10] netlink_unicast+0x449/0x710 [ 2243.555154][ T10] netlink_sendmsg+0x723/0xbe0 [ 2243.555154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2243.555154][ T10] ___sys_sendmsg+0xee/0x170 [ 2243.555154][ T10] __sys_sendmsg+0xcd/0x170 [ 2243.555154][ T10] do_syscall_64+0xc6/0x1e0 [ 2243.555154][ T10] [ 2243.557350][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2243.557350][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2243.557350][ T10] ipv6_find_idev+0x102/0x170 [ 2243.557350][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2243.557350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2243.557350][ T10] netlink_rcv_skb+0x130/0x360 [ 2243.557350][ T10] netlink_unicast+0x449/0x710 [ 2243.557350][ T10] netlink_sendmsg+0x723/0xbe0 [ 2243.557350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2243.557350][ T10] ___sys_sendmsg+0xee/0x170 [ 2243.557350][ T10] __sys_sendmsg+0xcd/0x170 [ 2243.557350][ T10] do_syscall_64+0xc6/0x1e0 [ 2243.557350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2243.557350][ T10] [ 2243.559087][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2243.559087][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2243.559087][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2243.559087][ T10] ipv6_find_idev+0x102/0x170 [ 2243.559087][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2243.559087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2243.559087][ T10] netlink_rcv_skb+0x130/0x360 [ 2243.559087][ T10] netlink_unicast+0x449/0x710 [ 2243.559087][ T10] netlink_sendmsg+0x723/0xbe0 [ 2243.559087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2243.559087][ T10] ___sys_sendmsg+0xee/0x170 [ 2243.559087][ T10] __sys_sendmsg+0xcd/0x170 [ 2243.559087][ T10] do_syscall_64+0xc6/0x1e0 [ 2243.559087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2243.559087][ T10] [ 2247.825117][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2247.825540][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2247.825540][ T1167] dst_init+0x84/0x4a0 [ 2247.825540][ T1167] dst_alloc+0x97/0x150 [ 2247.825540][ T1167] ip6_dst_alloc+0x23/0x90 [ 2247.825540][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2247.825540][ T1167] ip6_pol_route+0x56f/0x840 [ 2247.825540][ T1167] fib6_rule_lookup+0x334/0x630 [ 2247.825540][ T1167] ip6_route_output_flags+0x259/0x480 [ 2247.825540][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2247.825540][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2247.825540][ T1167] netlink_rcv_skb+0x130/0x360 [ 2247.825540][ T1167] netlink_unicast+0x449/0x710 [ 2247.825540][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2247.825540][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2247.825540][ T1167] ___sys_sendmsg+0xee/0x170 [ 2247.825540][ T1167] __sys_sendmsg+0xcd/0x170 [ 2247.825540][ T1167] do_syscall_64+0xc6/0x1e0 [ 2247.825540][ T1167] [ 2247.827753][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2247.827753][ T1167] netdev_get_by_index+0x5e/0x80 [ 2247.827753][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2247.827753][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2247.827753][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2247.827753][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2247.827753][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2247.827753][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2247.827753][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2247.827753][ T1167] addrconf_dad_begin+0x310/0x670 [ 2247.827753][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2247.827753][ T1167] process_one_work+0x84d/0x18a0 [ 2247.827753][ T1167] worker_thread+0x587/0xd30 [ 2247.827753][ T1167] kthread+0x28a/0x350 [ 2247.827753][ T1167] ret_from_fork+0x31/0x70 [ 2247.827753][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2247.827753][ T1167] [ 2247.829920][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2247.829920][ T1167] netdev_get_by_index+0x5e/0x80 [ 2247.829920][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2247.829920][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2247.829920][ T1167] ip6_route_add+0x1c/0x140 [ 2247.829920][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2247.829920][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2247.829920][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.829920][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.829920][ T1167] netlink_rcv_skb+0x130/0x360 [ 2247.829920][ T1167] netlink_unicast+0x449/0x710 [ 2247.829920][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2247.829920][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2247.829920][ T1167] ___sys_sendmsg+0xee/0x170 [ 2247.829920][ T1167] __sys_sendmsg+0xcd/0x170 [ 2247.829920][ T1167] do_syscall_64+0xc6/0x1e0 [ 2247.829920][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.829920][ T1167] [ 2247.832160][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2247.832160][ T1167] netdev_get_by_index+0x5e/0x80 [ 2247.832160][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2247.832160][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2247.832160][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2247.832160][ T1167] ipv6_add_addr+0x411/0x2000 [ 2247.832160][ T1167] inet6_addr_add+0x30e/0xa40 [ 2247.832160][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.832160][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.832160][ T1167] netlink_rcv_skb+0x130/0x360 [ 2247.832160][ T1167] netlink_unicast+0x449/0x710 [ 2247.832160][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2247.832160][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2247.832160][ T1167] ___sys_sendmsg+0xee/0x170 [ 2247.832160][ T1167] __sys_sendmsg+0xcd/0x170 [ 2247.832160][ T1167] do_syscall_64+0xc6/0x1e0 [ 2247.832160][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.832160][ T1167] [ 2247.834429][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2247.834429][ T1167] netdev_get_by_index+0x5e/0x80 [ 2247.834429][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2247.834429][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2247.834429][ T1167] ip6_route_add+0x1c/0x140 [ 2247.834429][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2247.834429][ T1167] addrconf_add_dev+0xe2/0x170 [ 2247.834429][ T1167] inet6_addr_add+0x12f/0xa40 [ 2247.834429][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.834429][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.834429][ T1167] netlink_rcv_skb+0x130/0x360 [ 2247.834429][ T1167] netlink_unicast+0x449/0x710 [ 2247.834429][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2247.834429][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2247.834429][ T1167] ___sys_sendmsg+0xee/0x170 [ 2247.834429][ T1167] __sys_sendmsg+0xcd/0x170 [ 2247.834429][ T1167] do_syscall_64+0xc6/0x1e0 [ 2247.834429][ T1167] [ 2247.836663][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2247.836663][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2247.836663][ T1167] ipv6_find_idev+0x102/0x170 [ 2247.836663][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2247.836663][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.836663][ T1167] netlink_rcv_skb+0x130/0x360 [ 2247.836663][ T1167] netlink_unicast+0x449/0x710 [ 2247.836663][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2247.836663][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2247.836663][ T1167] ___sys_sendmsg+0xee/0x170 [ 2247.836663][ T1167] __sys_sendmsg+0xcd/0x170 [ 2247.836663][ T1167] do_syscall_64+0xc6/0x1e0 [ 2247.836663][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.836663][ T1167] [ 2247.838392][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2247.838392][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2247.838392][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2247.838392][ T1167] ipv6_find_idev+0x102/0x170 [ 2247.838392][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2247.838392][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.838392][ T1167] netlink_rcv_skb+0x130/0x360 [ 2247.838392][ T1167] netlink_unicast+0x449/0x710 [ 2247.838392][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2247.838392][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2247.838392][ T1167] ___sys_sendmsg+0xee/0x170 [ 2247.838392][ T1167] __sys_sendmsg+0xcd/0x170 [ 2247.838392][ T1167] do_syscall_64+0xc6/0x1e0 [ 2247.838392][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.838392][ T1167] [ 2253.817069][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2253.817504][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2253.817504][ T10] netdev_get_by_index+0x5e/0x80 [ 2253.817504][ T10] fib6_nh_init+0x3d8/0x1580 [ 2253.817504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2253.817504][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2253.817504][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2253.817504][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2253.817504][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2253.817504][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2253.817504][ T10] addrconf_dad_begin+0x310/0x670 [ 2253.817504][ T10] addrconf_dad_work+0x10b/0xab0 [ 2253.817504][ T10] process_one_work+0x84d/0x18a0 [ 2253.817504][ T10] worker_thread+0x587/0xd30 [ 2253.817504][ T10] kthread+0x28a/0x350 [ 2253.817504][ T10] ret_from_fork+0x31/0x70 [ 2253.817504][ T10] ret_from_fork_asm+0x1a/0x30 [ 2253.817504][ T10] [ 2253.819498][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2253.819498][ T10] netdev_get_by_index+0x5e/0x80 [ 2253.819498][ T10] fib6_nh_init+0x3d8/0x1580 [ 2253.819498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2253.819498][ T10] ip6_route_add+0x1c/0x140 [ 2253.819498][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2253.819498][ T10] inet6_addr_add+0x4f8/0xa40 [ 2253.819498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2253.819498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2253.819498][ T10] netlink_rcv_skb+0x130/0x360 [ 2253.819498][ T10] netlink_unicast+0x449/0x710 [ 2253.819498][ T10] netlink_sendmsg+0x723/0xbe0 [ 2253.819498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2253.819498][ T10] ___sys_sendmsg+0xee/0x170 [ 2253.819498][ T10] __sys_sendmsg+0xcd/0x170 [ 2253.819498][ T10] do_syscall_64+0xc6/0x1e0 [ 2253.819498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2253.819498][ T10] [ 2253.821538][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2253.821538][ T10] netdev_get_by_index+0x5e/0x80 [ 2253.821538][ T10] fib6_nh_init+0x3d8/0x1580 [ 2253.821538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2253.821538][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2253.821538][ T10] ipv6_add_addr+0x411/0x2000 [ 2253.821538][ T10] inet6_addr_add+0x30e/0xa40 [ 2253.821538][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2253.821538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2253.821538][ T10] netlink_rcv_skb+0x130/0x360 [ 2253.821538][ T10] netlink_unicast+0x449/0x710 [ 2253.821538][ T10] netlink_sendmsg+0x723/0xbe0 [ 2253.821538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2253.821538][ T10] ___sys_sendmsg+0xee/0x170 [ 2253.821538][ T10] __sys_sendmsg+0xcd/0x170 [ 2253.821538][ T10] do_syscall_64+0xc6/0x1e0 [ 2253.821538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2253.821538][ T10] [ 2253.823535][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2253.823535][ T10] netdev_get_by_index+0x5e/0x80 [ 2253.823535][ T10] fib6_nh_init+0x3d8/0x1580 [ 2253.823535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2253.823535][ T10] ip6_route_add+0x1c/0x140 [ 2253.823535][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2253.823535][ T10] addrconf_add_dev+0xe2/0x170 [ 2253.823535][ T10] inet6_addr_add+0x12f/0xa40 [ 2253.823535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2253.823535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2253.823535][ T10] netlink_rcv_skb+0x130/0x360 [ 2253.823535][ T10] netlink_unicast+0x449/0x710 [ 2253.823535][ T10] netlink_sendmsg+0x723/0xbe0 [ 2253.823535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2253.823535][ T10] ___sys_sendmsg+0xee/0x170 [ 2253.823535][ T10] __sys_sendmsg+0xcd/0x170 [ 2253.823535][ T10] do_syscall_64+0xc6/0x1e0 [ 2253.823535][ T10] [ 2253.825487][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2253.825487][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2253.825487][ T10] ipv6_find_idev+0x102/0x170 [ 2253.825487][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2253.825487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2253.825487][ T10] netlink_rcv_skb+0x130/0x360 [ 2253.825487][ T10] netlink_unicast+0x449/0x710 [ 2253.825487][ T10] netlink_sendmsg+0x723/0xbe0 [ 2253.825487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2253.825487][ T10] ___sys_sendmsg+0xee/0x170 [ 2253.825487][ T10] __sys_sendmsg+0xcd/0x170 [ 2253.825487][ T10] do_syscall_64+0xc6/0x1e0 [ 2253.825487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2253.825487][ T10] [ 2253.827061][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2253.827061][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2253.827061][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2253.827061][ T10] ipv6_find_idev+0x102/0x170 [ 2253.827061][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2253.827061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2253.827061][ T10] netlink_rcv_skb+0x130/0x360 [ 2253.827061][ T10] netlink_unicast+0x449/0x710 [ 2253.827061][ T10] netlink_sendmsg+0x723/0xbe0 [ 2253.827061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2253.827061][ T10] ___sys_sendmsg+0xee/0x170 [ 2253.827061][ T10] __sys_sendmsg+0xcd/0x170 [ 2253.827061][ T10] do_syscall_64+0xc6/0x1e0 [ 2253.827061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2253.827061][ T10] [ 2253.828757][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2253.829004][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2253.829004][ T10] netdev_get_by_index+0x5e/0x80 [ 2253.829004][ T10] fib6_nh_init+0x3d8/0x1580 [ 2253.829004][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2253.829004][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2253.829004][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2253.829004][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2253.829004][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2253.829004][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2253.829004][ T10] addrconf_dad_begin+0x310/0x670 [ 2253.829004][ T10] addrconf_dad_work+0x10b/0xab0 [ 2253.829004][ T10] process_one_work+0x84d/0x18a0 [ 2253.829004][ T10] worker_thread+0x587/0xd30 [ 2253.829004][ T10] kthread+0x28a/0x350 [ 2253.829004][ T10] ret_from_fork+0x31/0x70 [ 2253.829004][ T10] ret_from_fork_asm+0x1a/0x30 [ 2253.829004][ T10] [ 2253.830914][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2253.830914][ T10] netdev_get_by_index+0x5e/0x80 [ 2253.830914][ T10] fib6_nh_init+0x3d8/0x1580 [ 2253.830914][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2253.830914][ T10] ip6_route_add+0x1c/0x140 [ 2253.830914][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2253.830914][ T10] inet6_addr_add+0x4f8/0xa40 [ 2253.830914][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2253.830914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2253.830914][ T10] netlink_rcv_skb+0x130/0x360 [ 2253.830914][ T10] netlink_unicast+0x449/0x710 [ 2253.830914][ T10] netlink_sendmsg+0x723/0xbe0 [ 2253.830914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2253.830914][ T10] ___sys_sendmsg+0xee/0x170 [ 2253.830914][ T10] __sys_sendmsg+0xcd/0x170 [ 2253.830914][ T10] do_syscall_64+0xc6/0x1e0 [ 2253.830914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2253.830914][ T10] [ 2253.832988][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2253.832988][ T10] netdev_get_by_index+0x5e/0x80 [ 2253.832988][ T10] fib6_nh_init+0x3d8/0x1580 [ 2253.832988][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2253.832988][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2253.832988][ T10] ipv6_add_addr+0x411/0x2000 [ 2253.832988][ T10] inet6_addr_add+0x30e/0xa40 [ 2253.832988][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2253.832988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2253.832988][ T10] netlink_rcv_skb+0x130/0x360 [ 2253.832988][ T10] netlink_unicast+0x449/0x710 [ 2253.832988][ T10] netlink_sendmsg+0x723/0xbe0 [ 2253.832988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2253.832988][ T10] ___sys_sendmsg+0xee/0x170 [ 2253.832988][ T10] __sys_sendmsg+0xcd/0x170 [ 2253.832988][ T10] do_syscall_64+0xc6/0x1e0 [ 2253.832988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2253.832988][ T10] [ 2253.835013][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2253.835013][ T10] netdev_get_by_index+0x5e/0x80 [ 2253.835013][ T10] fib6_nh_init+0x3d8/0x1580 [ 2253.835013][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2253.835013][ T10] ip6_route_add+0x1c/0x140 [ 2253.835013][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2253.835013][ T10] addrconf_add_dev+0xe2/0x170 [ 2253.835013][ T10] inet6_addr_add+0x12f/0xa40 [ 2253.835013][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2253.835013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2253.835013][ T10] netlink_rcv_skb+0x130/0x360 [ 2253.835013][ T10] netlink_unicast+0x449/0x710 [ 2253.835013][ T10] netlink_sendmsg+0x723/0xbe0 [ 2253.835013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2253.835013][ T10] ___sys_sendmsg+0xee/0x170 [ 2253.835013][ T10] __sys_sendmsg+0xcd/0x170 [ 2253.835013][ T10] do_syscall_64+0xc6/0x1e0 [ 2253.835013][ T10] [ 2253.836992][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2253.836992][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2253.836992][ T10] ipv6_find_idev+0x102/0x170 [ 2253.836992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2253.836992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2253.836992][ T10] netlink_rcv_skb+0x130/0x360 [ 2253.836992][ T10] netlink_unicast+0x449/0x710 [ 2253.836992][ T10] netlink_sendmsg+0x723/0xbe0 [ 2253.836992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2253.836992][ T10] ___sys_sendmsg+0xee/0x170 [ 2253.836992][ T10] __sys_sendmsg+0xcd/0x170 [ 2253.836992][ T10] do_syscall_64+0xc6/0x1e0 [ 2253.836992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2253.836992][ T10] [ 2253.838548][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2253.838548][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2253.838548][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2253.838548][ T10] ipv6_find_idev+0x102/0x170 [ 2253.838548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2253.838548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2253.838548][ T10] netlink_rcv_skb+0x130/0x360 [ 2253.838548][ T10] netlink_unicast+0x449/0x710 [ 2253.838548][ T10] netlink_sendmsg+0x723/0xbe0 [ 2253.838548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2253.838548][ T10] ___sys_sendmsg+0xee/0x170 [ 2253.838548][ T10] __sys_sendmsg+0xcd/0x170 [ 2253.838548][ T10] do_syscall_64+0xc6/0x1e0 [ 2253.838548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2253.838548][ T10] [ 2253.840255][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2253.840519][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2253.840519][ T10] netdev_get_by_index+0x5e/0x80 [ 2253.840519][ T10] fib6_nh_init+0x3d8/0x1580 [ 2253.840519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2253.840519][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2253.840519][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2253.840519][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2253.840519][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2253.840519][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2253.840519][ T10] addrconf_dad_begin+0x310/0x670 [ 2253.840519][ T10] addrconf_dad_work+0x10b/0xab0 [ 2253.840519][ T10] process_one_work+0x84d/0x18a0 [ 2253.840519][ T10] worker_thread+0x587/0xd30 [ 2253.840519][ T10] kthread+0x28a/0x350 [ 2253.840519][ T10] ret_from_fork+0x31/0x70 [ 2253.840519][ T10] ret_from_fork_asm+0x1a/0x30 [ 2253.840519][ T10] [ 2253.842449][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2253.842449][ T10] netdev_get_by_index+0x5e/0x80 [ 2253.842449][ T10] fib6_nh_init+0x3d8/0x1580 [ 2253.842449][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2253.842449][ T10] ip6_route_add+0x1c/0x140 [ 2253.842449][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2253.842449][ T10] inet6_addr_add+0x4f8/0xa40 [ 2253.842449][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2253.842449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2253.842449][ T10] netlink_rcv_skb+0x130/0x360 [ 2253.842449][ T10] netlink_unicast+0x449/0x710 [ 2253.842449][ T10] netlink_sendmsg+0x723/0xbe0 [ 2253.842449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2253.842449][ T10] ___sys_sendmsg+0xee/0x170 [ 2253.842449][ T10] __sys_sendmsg+0xcd/0x170 [ 2253.842449][ T10] do_syscall_64+0xc6/0x1e0 [ 2253.842449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2253.842449][ T10] [ 2253.844654][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2253.844654][ T10] netdev_get_by_index+0x5e/0x80 [ 2253.844654][ T10] fib6_nh_init+0x3d8/0x1580 [ 2253.844654][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2253.844654][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2253.844654][ T10] ipv6_add_addr+0x411/0x2000 [ 2253.844654][ T10] inet6_addr_add+0x30e/0xa40 [ 2253.844654][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2253.844654][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2253.844654][ T10] netlink_rcv_skb+0x130/0x360 [ 2253.844654][ T10] netlink_unicast+0x449/0x710 [ 2253.844654][ T10] netlink_sendmsg+0x723/0xbe0 [ 2253.844654][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2253.844654][ T10] ___sys_sendmsg+0xee/0x170 [ 2253.844654][ T10] __sys_sendmsg+0xcd/0x170 [ 2253.844654][ T10] do_syscall_64+0xc6/0x1e0 [ 2253.844654][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2253.844654][ T10] [ 2253.846917][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2253.846917][ T10] netdev_get_by_index+0x5e/0x80 [ 2253.846917][ T10] fib6_nh_init+0x3d8/0x1580 [ 2253.846917][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2253.846917][ T10] ip6_route_add+0x1c/0x140 [ 2253.846917][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2253.846917][ T10] addrconf_add_dev+0xe2/0x170 [ 2253.846917][ T10] inet6_addr_add+0x12f/0xa40 [ 2253.846917][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2253.846917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2253.846917][ T10] netlink_rcv_skb+0x130/0x360 [ 2253.846917][ T10] netlink_unicast+0x449/0x710 [ 2253.846917][ T10] netlink_sendmsg+0x723/0xbe0 [ 2253.846917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2253.846917][ T10] ___sys_sendmsg+0xee/0x170 [ 2253.846917][ T10] __sys_sendmsg+0xcd/0x170 [ 2253.846917][ T10] do_syscall_64+0xc6/0x1e0 [ 2253.846917][ T10] [ 2253.849116][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2253.849116][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2253.849116][ T10] ipv6_find_idev+0x102/0x170 [ 2253.849116][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2253.849116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2253.849116][ T10] netlink_rcv_skb+0x130/0x360 [ 2253.849116][ T10] netlink_unicast+0x449/0x710 [ 2253.849116][ T10] netlink_sendmsg+0x723/0xbe0 [ 2253.849116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2253.849116][ T10] ___sys_sendmsg+0xee/0x170 [ 2253.849116][ T10] __sys_sendmsg+0xcd/0x170 [ 2253.849116][ T10] do_syscall_64+0xc6/0x1e0 [ 2253.849116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2253.849116][ T10] [ 2253.850844][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2253.850844][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2253.850844][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2253.850844][ T10] ipv6_find_idev+0x102/0x170 [ 2253.850844][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2253.850844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2253.850844][ T10] netlink_rcv_skb+0x130/0x360 [ 2253.850844][ T10] netlink_unicast+0x449/0x710 [ 2253.850844][ T10] netlink_sendmsg+0x723/0xbe0 [ 2253.850844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2253.850844][ T10] ___sys_sendmsg+0xee/0x170 [ 2253.850844][ T10] __sys_sendmsg+0xcd/0x170 [ 2253.850844][ T10] do_syscall_64+0xc6/0x1e0 [ 2253.850844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2253.850844][ T10] [ 2253.852804][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2253.853501][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2253.853501][ T10] netdev_get_by_index+0x5e/0x80 [ 2253.853501][ T10] fib6_nh_init+0x3d8/0x1580 [ 2253.853501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2253.853501][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2253.853501][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2253.853501][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2253.853501][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2253.853501][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2253.853501][ T10] addrconf_dad_begin+0x310/0x670 [ 2253.853501][ T10] addrconf_dad_work+0x10b/0xab0 [ 2253.853501][ T10] process_one_work+0x84d/0x18a0 [ 2253.853501][ T10] worker_thread+0x587/0xd30 [ 2253.853501][ T10] kthread+0x28a/0x350 [ 2253.853501][ T10] ret_from_fork+0x31/0x70 [ 2253.853501][ T10] ret_from_fork_asm+0x1a/0x30 [ 2253.853501][ T10] [ 2253.855441][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2253.855441][ T10] netdev_get_by_index+0x5e/0x80 [ 2253.855441][ T10] fib6_nh_init+0x3d8/0x1580 [ 2253.855441][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2253.855441][ T10] ip6_route_add+0x1c/0x140 [ 2253.855441][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2253.855441][ T10] inet6_addr_add+0x4f8/0xa40 [ 2253.855441][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2253.855441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2253.855441][ T10] netlink_rcv_skb+0x130/0x360 [ 2253.855441][ T10] netlink_unicast+0x449/0x710 [ 2253.855441][ T10] netlink_sendmsg+0x723/0xbe0 [ 2253.855441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2253.855441][ T10] ___sys_sendmsg+0xee/0x170 [ 2253.855441][ T10] __sys_sendmsg+0xcd/0x170 [ 2253.855441][ T10] do_syscall_64+0xc6/0x1e0 [ 2253.855441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2253.855441][ T10] [ 2253.857613][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2253.857613][ T10] netdev_get_by_index+0x5e/0x80 [ 2253.857613][ T10] fib6_nh_init+0x3d8/0x1580 [ 2253.857613][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2253.857613][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2253.857613][ T10] ipv6_add_addr+0x411/0x2000 [ 2253.857613][ T10] inet6_addr_add+0x30e/0xa40 [ 2253.857613][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2253.857613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2253.857613][ T10] netlink_rcv_skb+0x130/0x360 [ 2253.857613][ T10] netlink_unicast+0x449/0x710 [ 2253.857613][ T10] netlink_sendmsg+0x723/0xbe0 [ 2253.857613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2253.857613][ T10] ___sys_sendmsg+0xee/0x170 [ 2253.857613][ T10] __sys_sendmsg+0xcd/0x170 [ 2253.857613][ T10] do_syscall_64+0xc6/0x1e0 [ 2253.857613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2253.857613][ T10] [ 2253.859907][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2253.859907][ T10] netdev_get_by_index+0x5e/0x80 [ 2253.859907][ T10] fib6_nh_init+0x3d8/0x1580 [ 2253.859907][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2253.859907][ T10] ip6_route_add+0x1c/0x140 [ 2253.859907][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2253.859907][ T10] addrconf_add_dev+0xe2/0x170 [ 2253.859907][ T10] inet6_addr_add+0x12f/0xa40 [ 2253.859907][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2253.859907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2253.859907][ T10] netlink_rcv_skb+0x130/0x360 [ 2253.859907][ T10] netlink_unicast+0x449/0x710 [ 2253.859907][ T10] netlink_sendmsg+0x723/0xbe0 [ 2253.859907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2253.859907][ T10] ___sys_sendmsg+0xee/0x170 [ 2253.859907][ T10] __sys_sendmsg+0xcd/0x170 [ 2253.859907][ T10] do_syscall_64+0xc6/0x1e0 [ 2253.859907][ T10] [ 2253.862063][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2253.862063][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2253.862063][ T10] ipv6_find_idev+0x102/0x170 [ 2253.862063][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2253.862063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2253.862063][ T10] netlink_rcv_skb+0x130/0x360 [ 2253.862063][ T10] netlink_unicast+0x449/0x710 [ 2253.862063][ T10] netlink_sendmsg+0x723/0xbe0 [ 2253.862063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2253.862063][ T10] ___sys_sendmsg+0xee/0x170 [ 2253.862063][ T10] __sys_sendmsg+0xcd/0x170 [ 2253.862063][ T10] do_syscall_64+0xc6/0x1e0 [ 2253.862063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2253.862063][ T10] [ 2253.863820][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2253.863820][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2253.863820][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2253.863820][ T10] ipv6_find_idev+0x102/0x170 [ 2253.863820][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2253.863820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2253.863820][ T10] netlink_rcv_skb+0x130/0x360 [ 2253.863820][ T10] netlink_unicast+0x449/0x710 [ 2253.863820][ T10] netlink_sendmsg+0x723/0xbe0 [ 2253.863820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2253.863820][ T10] ___sys_sendmsg+0xee/0x170 [ 2253.863820][ T10] __sys_sendmsg+0xcd/0x170 [ 2253.863820][ T10] do_syscall_64+0xc6/0x1e0 [ 2253.863820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2253.863820][ T10] [ 2258.081118][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2258.081540][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2258.081540][ T1167] dst_init+0x84/0x4a0 [ 2258.081540][ T1167] dst_alloc+0x97/0x150 [ 2258.081540][ T1167] ip6_dst_alloc+0x23/0x90 [ 2258.081540][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2258.081540][ T1167] ip6_pol_route+0x56f/0x840 [ 2258.081540][ T1167] fib6_rule_lookup+0x334/0x630 [ 2258.081540][ T1167] ip6_route_output_flags+0x259/0x480 [ 2258.081540][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2258.081540][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2258.081540][ T1167] netlink_rcv_skb+0x130/0x360 [ 2258.081540][ T1167] netlink_unicast+0x449/0x710 [ 2258.081540][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2258.081540][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2258.081540][ T1167] ___sys_sendmsg+0xee/0x170 [ 2258.081540][ T1167] __sys_sendmsg+0xcd/0x170 [ 2258.081540][ T1167] do_syscall_64+0xc6/0x1e0 [ 2258.081540][ T1167] [ 2258.083728][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2258.083728][ T1167] netdev_get_by_index+0x5e/0x80 [ 2258.083728][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2258.083728][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2258.083728][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2258.083728][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2258.083728][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2258.083728][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2258.083728][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2258.083728][ T1167] addrconf_dad_begin+0x310/0x670 [ 2258.083728][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2258.083728][ T1167] process_one_work+0x84d/0x18a0 [ 2258.083728][ T1167] worker_thread+0x587/0xd30 [ 2258.083728][ T1167] kthread+0x28a/0x350 [ 2258.083728][ T1167] ret_from_fork+0x31/0x70 [ 2258.083728][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2258.083728][ T1167] [ 2258.085863][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2258.085863][ T1167] netdev_get_by_index+0x5e/0x80 [ 2258.085863][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2258.085863][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2258.085863][ T1167] ip6_route_add+0x1c/0x140 [ 2258.085863][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2258.085863][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2258.085863][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2258.085863][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.085863][ T1167] netlink_rcv_skb+0x130/0x360 [ 2258.085863][ T1167] netlink_unicast+0x449/0x710 [ 2258.085863][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2258.085863][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2258.085863][ T1167] ___sys_sendmsg+0xee/0x170 [ 2258.085863][ T1167] __sys_sendmsg+0xcd/0x170 [ 2258.085863][ T1167] do_syscall_64+0xc6/0x1e0 [ 2258.085863][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2258.085863][ T1167] [ 2258.088226][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2258.088226][ T1167] netdev_get_by_index+0x5e/0x80 [ 2258.088226][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2258.088226][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2258.088226][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2258.088226][ T1167] ipv6_add_addr+0x411/0x2000 [ 2258.088226][ T1167] inet6_addr_add+0x30e/0xa40 [ 2258.088226][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2258.088226][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.088226][ T1167] netlink_rcv_skb+0x130/0x360 [ 2258.088226][ T1167] netlink_unicast+0x449/0x710 [ 2258.088226][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2258.088226][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2258.088226][ T1167] ___sys_sendmsg+0xee/0x170 [ 2258.088226][ T1167] __sys_sendmsg+0xcd/0x170 [ 2258.088226][ T1167] do_syscall_64+0xc6/0x1e0 [ 2258.088226][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2258.088226][ T1167] [ 2258.090499][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2258.090499][ T1167] netdev_get_by_index+0x5e/0x80 [ 2258.090499][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2258.090499][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2258.090499][ T1167] ip6_route_add+0x1c/0x140 [ 2258.090499][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2258.090499][ T1167] addrconf_add_dev+0xe2/0x170 [ 2258.090499][ T1167] inet6_addr_add+0x12f/0xa40 [ 2258.090499][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2258.090499][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.090499][ T1167] netlink_rcv_skb+0x130/0x360 [ 2258.090499][ T1167] netlink_unicast+0x449/0x710 [ 2258.090499][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2258.090499][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2258.090499][ T1167] ___sys_sendmsg+0xee/0x170 [ 2258.090499][ T1167] __sys_sendmsg+0xcd/0x170 [ 2258.090499][ T1167] do_syscall_64+0xc6/0x1e0 [ 2258.090499][ T1167] [ 2258.092744][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2258.092744][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2258.092744][ T1167] ipv6_find_idev+0x102/0x170 [ 2258.092744][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2258.092744][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.092744][ T1167] netlink_rcv_skb+0x130/0x360 [ 2258.092744][ T1167] netlink_unicast+0x449/0x710 [ 2258.092744][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2258.092744][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2258.092744][ T1167] ___sys_sendmsg+0xee/0x170 [ 2258.092744][ T1167] __sys_sendmsg+0xcd/0x170 [ 2258.092744][ T1167] do_syscall_64+0xc6/0x1e0 [ 2258.092744][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2258.092744][ T1167] [ 2258.094529][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2258.094529][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2258.094529][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2258.094529][ T1167] ipv6_find_idev+0x102/0x170 [ 2258.094529][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2258.094529][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.094529][ T1167] netlink_rcv_skb+0x130/0x360 [ 2258.094529][ T1167] netlink_unicast+0x449/0x710 [ 2258.094529][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2258.094529][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2258.094529][ T1167] ___sys_sendmsg+0xee/0x170 [ 2258.094529][ T1167] __sys_sendmsg+0xcd/0x170 [ 2258.094529][ T1167] do_syscall_64+0xc6/0x1e0 [ 2258.094529][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2258.094529][ T1167] [ 2264.105068][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2264.105413][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2264.105413][ T10] netdev_get_by_index+0x5e/0x80 [ 2264.105413][ T10] fib6_nh_init+0x3d8/0x1580 [ 2264.105413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2264.105413][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2264.105413][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2264.105413][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2264.105413][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2264.105413][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2264.105413][ T10] addrconf_dad_begin+0x310/0x670 [ 2264.105413][ T10] addrconf_dad_work+0x10b/0xab0 [ 2264.105413][ T10] process_one_work+0x84d/0x18a0 [ 2264.105413][ T10] worker_thread+0x587/0xd30 [ 2264.105413][ T10] kthread+0x28a/0x350 [ 2264.105413][ T10] ret_from_fork+0x31/0x70 [ 2264.105413][ T10] ret_from_fork_asm+0x1a/0x30 [ 2264.105413][ T10] [ 2264.107398][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2264.107398][ T10] netdev_get_by_index+0x5e/0x80 [ 2264.107398][ T10] fib6_nh_init+0x3d8/0x1580 [ 2264.107398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2264.107398][ T10] ip6_route_add+0x1c/0x140 [ 2264.107398][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2264.107398][ T10] inet6_addr_add+0x4f8/0xa40 [ 2264.107398][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2264.107398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2264.107398][ T10] netlink_rcv_skb+0x130/0x360 [ 2264.107398][ T10] netlink_unicast+0x449/0x710 [ 2264.107398][ T10] netlink_sendmsg+0x723/0xbe0 [ 2264.107398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2264.107398][ T10] ___sys_sendmsg+0xee/0x170 [ 2264.107398][ T10] __sys_sendmsg+0xcd/0x170 [ 2264.107398][ T10] do_syscall_64+0xc6/0x1e0 [ 2264.107398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2264.107398][ T10] [ 2264.109437][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2264.109437][ T10] netdev_get_by_index+0x5e/0x80 [ 2264.109437][ T10] fib6_nh_init+0x3d8/0x1580 [ 2264.109437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2264.109437][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2264.109437][ T10] ipv6_add_addr+0x411/0x2000 [ 2264.109437][ T10] inet6_addr_add+0x30e/0xa40 [ 2264.109437][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2264.109437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2264.109437][ T10] netlink_rcv_skb+0x130/0x360 [ 2264.109437][ T10] netlink_unicast+0x449/0x710 [ 2264.109437][ T10] netlink_sendmsg+0x723/0xbe0 [ 2264.109437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2264.109437][ T10] ___sys_sendmsg+0xee/0x170 [ 2264.109437][ T10] __sys_sendmsg+0xcd/0x170 [ 2264.109437][ T10] do_syscall_64+0xc6/0x1e0 [ 2264.109437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2264.109437][ T10] [ 2264.111458][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2264.111458][ T10] netdev_get_by_index+0x5e/0x80 [ 2264.111458][ T10] fib6_nh_init+0x3d8/0x1580 [ 2264.111458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2264.111458][ T10] ip6_route_add+0x1c/0x140 [ 2264.111458][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2264.111458][ T10] addrconf_add_dev+0xe2/0x170 [ 2264.111458][ T10] inet6_addr_add+0x12f/0xa40 [ 2264.111458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2264.111458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2264.111458][ T10] netlink_rcv_skb+0x130/0x360 [ 2264.111458][ T10] netlink_unicast+0x449/0x710 [ 2264.111458][ T10] netlink_sendmsg+0x723/0xbe0 [ 2264.111458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2264.111458][ T10] ___sys_sendmsg+0xee/0x170 [ 2264.111458][ T10] __sys_sendmsg+0xcd/0x170 [ 2264.111458][ T10] do_syscall_64+0xc6/0x1e0 [ 2264.111458][ T10] [ 2264.113920][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2264.113920][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2264.113920][ T10] ipv6_find_idev+0x102/0x170 [ 2264.113920][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2264.113920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2264.113920][ T10] netlink_rcv_skb+0x130/0x360 [ 2264.113920][ T10] netlink_unicast+0x449/0x710 [ 2264.113920][ T10] netlink_sendmsg+0x723/0xbe0 [ 2264.113920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2264.113920][ T10] ___sys_sendmsg+0xee/0x170 [ 2264.113920][ T10] __sys_sendmsg+0xcd/0x170 [ 2264.113920][ T10] do_syscall_64+0xc6/0x1e0 [ 2264.113920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2264.113920][ T10] [ 2264.115449][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2264.115449][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2264.115449][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2264.115449][ T10] ipv6_find_idev+0x102/0x170 [ 2264.115449][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2264.115449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2264.115449][ T10] netlink_rcv_skb+0x130/0x360 [ 2264.115449][ T10] netlink_unicast+0x449/0x710 [ 2264.115449][ T10] netlink_sendmsg+0x723/0xbe0 [ 2264.115449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2264.115449][ T10] ___sys_sendmsg+0xee/0x170 [ 2264.115449][ T10] __sys_sendmsg+0xcd/0x170 [ 2264.115449][ T10] do_syscall_64+0xc6/0x1e0 [ 2264.115449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2264.115449][ T10] [ 2264.117128][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2264.117379][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2264.117379][ T10] netdev_get_by_index+0x5e/0x80 [ 2264.117379][ T10] fib6_nh_init+0x3d8/0x1580 [ 2264.117379][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2264.117379][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2264.117379][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2264.117379][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2264.117379][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2264.117379][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2264.117379][ T10] addrconf_dad_begin+0x310/0x670 [ 2264.117379][ T10] addrconf_dad_work+0x10b/0xab0 [ 2264.117379][ T10] process_one_work+0x84d/0x18a0 [ 2264.117379][ T10] worker_thread+0x587/0xd30 [ 2264.117379][ T10] kthread+0x28a/0x350 [ 2264.117379][ T10] ret_from_fork+0x31/0x70 [ 2264.117379][ T10] ret_from_fork_asm+0x1a/0x30 [ 2264.117379][ T10] [ 2264.119316][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2264.119316][ T10] netdev_get_by_index+0x5e/0x80 [ 2264.119316][ T10] fib6_nh_init+0x3d8/0x1580 [ 2264.119316][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2264.119316][ T10] ip6_route_add+0x1c/0x140 [ 2264.119316][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2264.119316][ T10] inet6_addr_add+0x4f8/0xa40 [ 2264.119316][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2264.119316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2264.119316][ T10] netlink_rcv_skb+0x130/0x360 [ 2264.119316][ T10] netlink_unicast+0x449/0x710 [ 2264.119316][ T10] netlink_sendmsg+0x723/0xbe0 [ 2264.119316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2264.119316][ T10] ___sys_sendmsg+0xee/0x170 [ 2264.119316][ T10] __sys_sendmsg+0xcd/0x170 [ 2264.119316][ T10] do_syscall_64+0xc6/0x1e0 [ 2264.119316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2264.119316][ T10] [ 2264.121363][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2264.121363][ T10] netdev_get_by_index+0x5e/0x80 [ 2264.121363][ T10] fib6_nh_init+0x3d8/0x1580 [ 2264.121363][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2264.121363][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2264.121363][ T10] ipv6_add_addr+0x411/0x2000 [ 2264.121363][ T10] inet6_addr_add+0x30e/0xa40 [ 2264.121363][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2264.121363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2264.121363][ T10] netlink_rcv_skb+0x130/0x360 [ 2264.121363][ T10] netlink_unicast+0x449/0x710 [ 2264.121363][ T10] netlink_sendmsg+0x723/0xbe0 [ 2264.121363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2264.121363][ T10] ___sys_sendmsg+0xee/0x170 [ 2264.121363][ T10] __sys_sendmsg+0xcd/0x170 [ 2264.121363][ T10] do_syscall_64+0xc6/0x1e0 [ 2264.121363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2264.121363][ T10] [ 2264.123390][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2264.123390][ T10] netdev_get_by_index+0x5e/0x80 [ 2264.123390][ T10] fib6_nh_init+0x3d8/0x1580 [ 2264.123390][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2264.123390][ T10] ip6_route_add+0x1c/0x140 [ 2264.123390][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2264.123390][ T10] addrconf_add_dev+0xe2/0x170 [ 2264.123390][ T10] inet6_addr_add+0x12f/0xa40 [ 2264.123390][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2264.123390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2264.123390][ T10] netlink_rcv_skb+0x130/0x360 [ 2264.123390][ T10] netlink_unicast+0x449/0x710 [ 2264.123390][ T10] netlink_sendmsg+0x723/0xbe0 [ 2264.123390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2264.123390][ T10] ___sys_sendmsg+0xee/0x170 [ 2264.123390][ T10] __sys_sendmsg+0xcd/0x170 [ 2264.123390][ T10] do_syscall_64+0xc6/0x1e0 [ 2264.123390][ T10] [ 2264.125381][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2264.125381][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2264.125381][ T10] ipv6_find_idev+0x102/0x170 [ 2264.125381][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2264.125381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2264.125381][ T10] netlink_rcv_skb+0x130/0x360 [ 2264.125381][ T10] netlink_unicast+0x449/0x710 [ 2264.125381][ T10] netlink_sendmsg+0x723/0xbe0 [ 2264.125381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2264.125381][ T10] ___sys_sendmsg+0xee/0x170 [ 2264.125381][ T10] __sys_sendmsg+0xcd/0x170 [ 2264.125381][ T10] do_syscall_64+0xc6/0x1e0 [ 2264.125381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2264.125381][ T10] [ 2264.126936][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2264.126936][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2264.126936][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2264.126936][ T10] ipv6_find_idev+0x102/0x170 [ 2264.126936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2264.126936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2264.126936][ T10] netlink_rcv_skb+0x130/0x360 [ 2264.126936][ T10] netlink_unicast+0x449/0x710 [ 2264.126936][ T10] netlink_sendmsg+0x723/0xbe0 [ 2264.126936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2264.126936][ T10] ___sys_sendmsg+0xee/0x170 [ 2264.126936][ T10] __sys_sendmsg+0xcd/0x170 [ 2264.126936][ T10] do_syscall_64+0xc6/0x1e0 [ 2264.126936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2264.126936][ T10] [ 2264.128662][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2264.128917][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2264.128917][ T10] netdev_get_by_index+0x5e/0x80 [ 2264.128917][ T10] fib6_nh_init+0x3d8/0x1580 [ 2264.128917][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2264.128917][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2264.128917][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2264.128917][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2264.128917][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2264.128917][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2264.128917][ T10] addrconf_dad_begin+0x310/0x670 [ 2264.128917][ T10] addrconf_dad_work+0x10b/0xab0 [ 2264.128917][ T10] process_one_work+0x84d/0x18a0 [ 2264.128917][ T10] worker_thread+0x587/0xd30 [ 2264.128917][ T10] kthread+0x28a/0x350 [ 2264.128917][ T10] ret_from_fork+0x31/0x70 [ 2264.128917][ T10] ret_from_fork_asm+0x1a/0x30 [ 2264.128917][ T10] [ 2264.130839][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2264.130839][ T10] netdev_get_by_index+0x5e/0x80 [ 2264.130839][ T10] fib6_nh_init+0x3d8/0x1580 [ 2264.130839][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2264.130839][ T10] ip6_route_add+0x1c/0x140 [ 2264.130839][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2264.130839][ T10] inet6_addr_add+0x4f8/0xa40 [ 2264.130839][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2264.130839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2264.130839][ T10] netlink_rcv_skb+0x130/0x360 [ 2264.130839][ T10] netlink_unicast+0x449/0x710 [ 2264.130839][ T10] netlink_sendmsg+0x723/0xbe0 [ 2264.130839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2264.130839][ T10] ___sys_sendmsg+0xee/0x170 [ 2264.130839][ T10] __sys_sendmsg+0xcd/0x170 [ 2264.130839][ T10] do_syscall_64+0xc6/0x1e0 [ 2264.130839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2264.130839][ T10] [ 2264.132996][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2264.132996][ T10] netdev_get_by_index+0x5e/0x80 [ 2264.132996][ T10] fib6_nh_init+0x3d8/0x1580 [ 2264.132996][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2264.132996][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2264.132996][ T10] ipv6_add_addr+0x411/0x2000 [ 2264.132996][ T10] inet6_addr_add+0x30e/0xa40 [ 2264.132996][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2264.132996][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2264.132996][ T10] netlink_rcv_skb+0x130/0x360 [ 2264.132996][ T10] netlink_unicast+0x449/0x710 [ 2264.132996][ T10] netlink_sendmsg+0x723/0xbe0 [ 2264.132996][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2264.132996][ T10] ___sys_sendmsg+0xee/0x170 [ 2264.132996][ T10] __sys_sendmsg+0xcd/0x170 [ 2264.132996][ T10] do_syscall_64+0xc6/0x1e0 [ 2264.132996][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2264.132996][ T10] [ 2264.135618][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2264.135618][ T10] netdev_get_by_index+0x5e/0x80 [ 2264.135618][ T10] fib6_nh_init+0x3d8/0x1580 [ 2264.135618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2264.135618][ T10] ip6_route_add+0x1c/0x140 [ 2264.135618][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2264.135618][ T10] addrconf_add_dev+0xe2/0x170 [ 2264.135618][ T10] inet6_addr_add+0x12f/0xa40 [ 2264.135618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2264.135618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2264.135618][ T10] netlink_rcv_skb+0x130/0x360 [ 2264.135618][ T10] netlink_unicast+0x449/0x710 [ 2264.135618][ T10] netlink_sendmsg+0x723/0xbe0 [ 2264.135618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2264.135618][ T10] ___sys_sendmsg+0xee/0x170 [ 2264.135618][ T10] __sys_sendmsg+0xcd/0x170 [ 2264.135618][ T10] do_syscall_64+0xc6/0x1e0 [ 2264.135618][ T10] [ 2264.137850][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2264.137850][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2264.137850][ T10] ipv6_find_idev+0x102/0x170 [ 2264.137850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2264.137850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2264.137850][ T10] netlink_rcv_skb+0x130/0x360 [ 2264.137850][ T10] netlink_unicast+0x449/0x710 [ 2264.137850][ T10] netlink_sendmsg+0x723/0xbe0 [ 2264.137850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2264.137850][ T10] ___sys_sendmsg+0xee/0x170 [ 2264.137850][ T10] __sys_sendmsg+0xcd/0x170 [ 2264.137850][ T10] do_syscall_64+0xc6/0x1e0 [ 2264.137850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2264.137850][ T10] [ 2264.139586][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2264.139586][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2264.139586][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2264.139586][ T10] ipv6_find_idev+0x102/0x170 [ 2264.139586][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2264.139586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2264.139586][ T10] netlink_rcv_skb+0x130/0x360 [ 2264.139586][ T10] netlink_unicast+0x449/0x710 [ 2264.139586][ T10] netlink_sendmsg+0x723/0xbe0 [ 2264.139586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2264.139586][ T10] ___sys_sendmsg+0xee/0x170 [ 2264.139586][ T10] __sys_sendmsg+0xcd/0x170 [ 2264.139586][ T10] do_syscall_64+0xc6/0x1e0 [ 2264.139586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2264.139586][ T10] [ 2264.141539][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2264.141775][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2264.141775][ T10] netdev_get_by_index+0x5e/0x80 [ 2264.141775][ T10] fib6_nh_init+0x3d8/0x1580 [ 2264.141775][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2264.141775][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2264.141775][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2264.141775][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2264.141775][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2264.141775][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2264.141775][ T10] addrconf_dad_begin+0x310/0x670 [ 2264.141775][ T10] addrconf_dad_work+0x10b/0xab0 [ 2264.141775][ T10] process_one_work+0x84d/0x18a0 [ 2264.141775][ T10] worker_thread+0x587/0xd30 [ 2264.141775][ T10] kthread+0x28a/0x350 [ 2264.141775][ T10] ret_from_fork+0x31/0x70 [ 2264.141775][ T10] ret_from_fork_asm+0x1a/0x30 [ 2264.141775][ T10] [ 2264.143946][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2264.143946][ T10] netdev_get_by_index+0x5e/0x80 [ 2264.143946][ T10] fib6_nh_init+0x3d8/0x1580 [ 2264.143946][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2264.143946][ T10] ip6_route_add+0x1c/0x140 [ 2264.143946][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2264.143946][ T10] inet6_addr_add+0x4f8/0xa40 [ 2264.143946][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2264.143946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2264.143946][ T10] netlink_rcv_skb+0x130/0x360 [ 2264.143946][ T10] netlink_unicast+0x449/0x710 [ 2264.143946][ T10] netlink_sendmsg+0x723/0xbe0 [ 2264.143946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2264.143946][ T10] ___sys_sendmsg+0xee/0x170 [ 2264.143946][ T10] __sys_sendmsg+0xcd/0x170 [ 2264.143946][ T10] do_syscall_64+0xc6/0x1e0 [ 2264.143946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2264.143946][ T10] [ 2264.146209][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2264.146209][ T10] netdev_get_by_index+0x5e/0x80 [ 2264.146209][ T10] fib6_nh_init+0x3d8/0x1580 [ 2264.146209][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2264.146209][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2264.146209][ T10] ipv6_add_addr+0x411/0x2000 [ 2264.146209][ T10] inet6_addr_add+0x30e/0xa40 [ 2264.146209][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2264.146209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2264.146209][ T10] netlink_rcv_skb+0x130/0x360 [ 2264.146209][ T10] netlink_unicast+0x449/0x710 [ 2264.146209][ T10] netlink_sendmsg+0x723/0xbe0 [ 2264.146209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2264.146209][ T10] ___sys_sendmsg+0xee/0x170 [ 2264.146209][ T10] __sys_sendmsg+0xcd/0x170 [ 2264.146209][ T10] do_syscall_64+0xc6/0x1e0 [ 2264.146209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2264.146209][ T10] [ 2264.148390][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2264.148390][ T10] netdev_get_by_index+0x5e/0x80 [ 2264.148390][ T10] fib6_nh_init+0x3d8/0x1580 [ 2264.148390][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2264.148390][ T10] ip6_route_add+0x1c/0x140 [ 2264.148390][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2264.148390][ T10] addrconf_add_dev+0xe2/0x170 [ 2264.148390][ T10] inet6_addr_add+0x12f/0xa40 [ 2264.148390][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2264.148390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2264.148390][ T10] netlink_rcv_skb+0x130/0x360 [ 2264.148390][ T10] netlink_unicast+0x449/0x710 [ 2264.148390][ T10] netlink_sendmsg+0x723/0xbe0 [ 2264.148390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2264.148390][ T10] ___sys_sendmsg+0xee/0x170 [ 2264.148390][ T10] __sys_sendmsg+0xcd/0x170 [ 2264.148390][ T10] do_syscall_64+0xc6/0x1e0 [ 2264.148390][ T10] [ 2264.150634][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2264.150634][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2264.150634][ T10] ipv6_find_idev+0x102/0x170 [ 2264.150634][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2264.150634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2264.150634][ T10] netlink_rcv_skb+0x130/0x360 [ 2264.150634][ T10] netlink_unicast+0x449/0x710 [ 2264.150634][ T10] netlink_sendmsg+0x723/0xbe0 [ 2264.150634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2264.150634][ T10] ___sys_sendmsg+0xee/0x170 [ 2264.150634][ T10] __sys_sendmsg+0xcd/0x170 [ 2264.150634][ T10] do_syscall_64+0xc6/0x1e0 [ 2264.150634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2264.150634][ T10] [ 2264.152344][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2264.152344][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2264.152344][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2264.152344][ T10] ipv6_find_idev+0x102/0x170 [ 2264.152344][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2264.152344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2264.152344][ T10] netlink_rcv_skb+0x130/0x360 [ 2264.152344][ T10] netlink_unicast+0x449/0x710 [ 2264.152344][ T10] netlink_sendmsg+0x723/0xbe0 [ 2264.152344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2264.152344][ T10] ___sys_sendmsg+0xee/0x170 [ 2264.152344][ T10] __sys_sendmsg+0xcd/0x170 [ 2264.152344][ T10] do_syscall_64+0xc6/0x1e0 [ 2264.152344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2264.152344][ T10] [ 2268.337094][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2268.337540][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2268.337540][ T1167] dst_init+0x84/0x4a0 [ 2268.337540][ T1167] dst_alloc+0x97/0x150 [ 2268.337540][ T1167] ip6_dst_alloc+0x23/0x90 [ 2268.337540][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2268.337540][ T1167] ip6_pol_route+0x56f/0x840 [ 2268.337540][ T1167] fib6_rule_lookup+0x334/0x630 [ 2268.337540][ T1167] ip6_route_output_flags+0x259/0x480 [ 2268.337540][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2268.337540][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2268.337540][ T1167] netlink_rcv_skb+0x130/0x360 [ 2268.337540][ T1167] netlink_unicast+0x449/0x710 [ 2268.337540][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2268.337540][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2268.337540][ T1167] ___sys_sendmsg+0xee/0x170 [ 2268.337540][ T1167] __sys_sendmsg+0xcd/0x170 [ 2268.337540][ T1167] do_syscall_64+0xc6/0x1e0 [ 2268.337540][ T1167] [ 2268.339782][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2268.339782][ T1167] netdev_get_by_index+0x5e/0x80 [ 2268.339782][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2268.339782][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2268.339782][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2268.339782][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2268.339782][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2268.339782][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2268.339782][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2268.339782][ T1167] addrconf_dad_begin+0x310/0x670 [ 2268.339782][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2268.339782][ T1167] process_one_work+0x84d/0x18a0 [ 2268.339782][ T1167] worker_thread+0x587/0xd30 [ 2268.339782][ T1167] kthread+0x28a/0x350 [ 2268.339782][ T1167] ret_from_fork+0x31/0x70 [ 2268.339782][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2268.339782][ T1167] [ 2268.342007][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2268.342007][ T1167] netdev_get_by_index+0x5e/0x80 [ 2268.342007][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2268.342007][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2268.342007][ T1167] ip6_route_add+0x1c/0x140 [ 2268.342007][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2268.342007][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2268.342007][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2268.342007][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.342007][ T1167] netlink_rcv_skb+0x130/0x360 [ 2268.342007][ T1167] netlink_unicast+0x449/0x710 [ 2268.342007][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2268.342007][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2268.342007][ T1167] ___sys_sendmsg+0xee/0x170 [ 2268.342007][ T1167] __sys_sendmsg+0xcd/0x170 [ 2268.342007][ T1167] do_syscall_64+0xc6/0x1e0 [ 2268.342007][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.342007][ T1167] [ 2268.344235][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2268.344235][ T1167] netdev_get_by_index+0x5e/0x80 [ 2268.344235][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2268.344235][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2268.344235][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2268.344235][ T1167] ipv6_add_addr+0x411/0x2000 [ 2268.344235][ T1167] inet6_addr_add+0x30e/0xa40 [ 2268.344235][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2268.344235][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.344235][ T1167] netlink_rcv_skb+0x130/0x360 [ 2268.344235][ T1167] netlink_unicast+0x449/0x710 [ 2268.344235][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2268.344235][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2268.344235][ T1167] ___sys_sendmsg+0xee/0x170 [ 2268.344235][ T1167] __sys_sendmsg+0xcd/0x170 [ 2268.344235][ T1167] do_syscall_64+0xc6/0x1e0 [ 2268.344235][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.344235][ T1167] [ 2268.346462][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2268.346462][ T1167] netdev_get_by_index+0x5e/0x80 [ 2268.346462][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2268.346462][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2268.346462][ T1167] ip6_route_add+0x1c/0x140 [ 2268.346462][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2268.346462][ T1167] addrconf_add_dev+0xe2/0x170 [ 2268.346462][ T1167] inet6_addr_add+0x12f/0xa40 [ 2268.346462][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2268.346462][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.346462][ T1167] netlink_rcv_skb+0x130/0x360 [ 2268.346462][ T1167] netlink_unicast+0x449/0x710 [ 2268.346462][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2268.346462][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2268.346462][ T1167] ___sys_sendmsg+0xee/0x170 [ 2268.346462][ T1167] __sys_sendmsg+0xcd/0x170 [ 2268.346462][ T1167] do_syscall_64+0xc6/0x1e0 [ 2268.346462][ T1167] [ 2268.348684][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2268.348684][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2268.348684][ T1167] ipv6_find_idev+0x102/0x170 [ 2268.348684][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2268.348684][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.348684][ T1167] netlink_rcv_skb+0x130/0x360 [ 2268.348684][ T1167] netlink_unicast+0x449/0x710 [ 2268.348684][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2268.348684][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2268.348684][ T1167] ___sys_sendmsg+0xee/0x170 [ 2268.348684][ T1167] __sys_sendmsg+0xcd/0x170 [ 2268.348684][ T1167] do_syscall_64+0xc6/0x1e0 [ 2268.348684][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.348684][ T1167] [ 2268.350427][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2268.350427][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2268.350427][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2268.350427][ T1167] ipv6_find_idev+0x102/0x170 [ 2268.350427][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2268.350427][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.350427][ T1167] netlink_rcv_skb+0x130/0x360 [ 2268.350427][ T1167] netlink_unicast+0x449/0x710 [ 2268.350427][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2268.350427][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2268.350427][ T1167] ___sys_sendmsg+0xee/0x170 [ 2268.350427][ T1167] __sys_sendmsg+0xcd/0x170 [ 2268.350427][ T1167] do_syscall_64+0xc6/0x1e0 [ 2268.350427][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.350427][ T1167] [ 2274.241219][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2274.241629][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2274.241629][ T10] netdev_get_by_index+0x5e/0x80 [ 2274.241629][ T10] fib6_nh_init+0x3d8/0x1580 [ 2274.241629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2274.241629][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2274.241629][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2274.241629][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2274.241629][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2274.241629][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2274.241629][ T10] addrconf_dad_begin+0x310/0x670 [ 2274.241629][ T10] addrconf_dad_work+0x10b/0xab0 [ 2274.241629][ T10] process_one_work+0x84d/0x18a0 [ 2274.241629][ T10] worker_thread+0x587/0xd30 [ 2274.241629][ T10] kthread+0x28a/0x350 [ 2274.241629][ T10] ret_from_fork+0x31/0x70 [ 2274.241629][ T10] ret_from_fork_asm+0x1a/0x30 [ 2274.241629][ T10] [ 2274.243975][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2274.243975][ T10] netdev_get_by_index+0x5e/0x80 [ 2274.243975][ T10] fib6_nh_init+0x3d8/0x1580 [ 2274.243975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2274.243975][ T10] ip6_route_add+0x1c/0x140 [ 2274.243975][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2274.243975][ T10] inet6_addr_add+0x4f8/0xa40 [ 2274.243975][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2274.243975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2274.243975][ T10] netlink_rcv_skb+0x130/0x360 [ 2274.243975][ T10] netlink_unicast+0x449/0x710 [ 2274.243975][ T10] netlink_sendmsg+0x723/0xbe0 [ 2274.243975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2274.243975][ T10] ___sys_sendmsg+0xee/0x170 [ 2274.243975][ T10] __sys_sendmsg+0xcd/0x170 [ 2274.243975][ T10] do_syscall_64+0xc6/0x1e0 [ 2274.243975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2274.243975][ T10] [ 2274.246412][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2274.246412][ T10] netdev_get_by_index+0x5e/0x80 [ 2274.246412][ T10] fib6_nh_init+0x3d8/0x1580 [ 2274.246412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2274.246412][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2274.246412][ T10] ipv6_add_addr+0x411/0x2000 [ 2274.246412][ T10] inet6_addr_add+0x30e/0xa40 [ 2274.246412][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2274.246412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2274.246412][ T10] netlink_rcv_skb+0x130/0x360 [ 2274.246412][ T10] netlink_unicast+0x449/0x710 [ 2274.246412][ T10] netlink_sendmsg+0x723/0xbe0 [ 2274.246412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2274.246412][ T10] ___sys_sendmsg+0xee/0x170 [ 2274.246412][ T10] __sys_sendmsg+0xcd/0x170 [ 2274.246412][ T10] do_syscall_64+0xc6/0x1e0 [ 2274.246412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2274.246412][ T10] [ 2274.248842][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2274.248842][ T10] netdev_get_by_index+0x5e/0x80 [ 2274.248842][ T10] fib6_nh_init+0x3d8/0x1580 [ 2274.248842][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2274.248842][ T10] ip6_route_add+0x1c/0x140 [ 2274.248842][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2274.248842][ T10] addrconf_add_dev+0xe2/0x170 [ 2274.248842][ T10] inet6_addr_add+0x12f/0xa40 [ 2274.248842][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2274.248842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2274.248842][ T10] netlink_rcv_skb+0x130/0x360 [ 2274.248842][ T10] netlink_unicast+0x449/0x710 [ 2274.248842][ T10] netlink_sendmsg+0x723/0xbe0 [ 2274.248842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2274.248842][ T10] ___sys_sendmsg+0xee/0x170 [ 2274.248842][ T10] __sys_sendmsg+0xcd/0x170 [ 2274.248842][ T10] do_syscall_64+0xc6/0x1e0 [ 2274.248842][ T10] [ 2274.250972][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2274.250972][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2274.250972][ T10] ipv6_find_idev+0x102/0x170 [ 2274.250972][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2274.250972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2274.250972][ T10] netlink_rcv_skb+0x130/0x360 [ 2274.250972][ T10] netlink_unicast+0x449/0x710 [ 2274.250972][ T10] netlink_sendmsg+0x723/0xbe0 [ 2274.250972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2274.250972][ T10] ___sys_sendmsg+0xee/0x170 [ 2274.250972][ T10] __sys_sendmsg+0xcd/0x170 [ 2274.250972][ T10] do_syscall_64+0xc6/0x1e0 [ 2274.250972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2274.250972][ T10] [ 2274.252631][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2274.252631][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2274.252631][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2274.252631][ T10] ipv6_find_idev+0x102/0x170 [ 2274.252631][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2274.252631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2274.252631][ T10] netlink_rcv_skb+0x130/0x360 [ 2274.252631][ T10] netlink_unicast+0x449/0x710 [ 2274.252631][ T10] netlink_sendmsg+0x723/0xbe0 [ 2274.252631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2274.252631][ T10] ___sys_sendmsg+0xee/0x170 [ 2274.252631][ T10] __sys_sendmsg+0xcd/0x170 [ 2274.252631][ T10] do_syscall_64+0xc6/0x1e0 [ 2274.252631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2274.252631][ T10] [ 2274.254689][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2274.254978][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2274.254978][ T10] netdev_get_by_index+0x5e/0x80 [ 2274.254978][ T10] fib6_nh_init+0x3d8/0x1580 [ 2274.254978][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2274.254978][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2274.254978][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2274.254978][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2274.254978][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2274.254978][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2274.254978][ T10] addrconf_dad_begin+0x310/0x670 [ 2274.254978][ T10] addrconf_dad_work+0x10b/0xab0 [ 2274.254978][ T10] process_one_work+0x84d/0x18a0 [ 2274.254978][ T10] worker_thread+0x587/0xd30 [ 2274.254978][ T10] kthread+0x28a/0x350 [ 2274.254978][ T10] ret_from_fork+0x31/0x70 [ 2274.254978][ T10] ret_from_fork_asm+0x1a/0x30 [ 2274.254978][ T10] [ 2274.257296][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2274.257296][ T10] netdev_get_by_index+0x5e/0x80 [ 2274.257296][ T10] fib6_nh_init+0x3d8/0x1580 [ 2274.257296][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2274.257296][ T10] ip6_route_add+0x1c/0x140 [ 2274.257296][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2274.257296][ T10] inet6_addr_add+0x4f8/0xa40 [ 2274.257296][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2274.257296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2274.257296][ T10] netlink_rcv_skb+0x130/0x360 [ 2274.257296][ T10] netlink_unicast+0x449/0x710 [ 2274.257296][ T10] netlink_sendmsg+0x723/0xbe0 [ 2274.257296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2274.257296][ T10] ___sys_sendmsg+0xee/0x170 [ 2274.257296][ T10] __sys_sendmsg+0xcd/0x170 [ 2274.257296][ T10] do_syscall_64+0xc6/0x1e0 [ 2274.257296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2274.257296][ T10] [ 2274.259716][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2274.259716][ T10] netdev_get_by_index+0x5e/0x80 [ 2274.259716][ T10] fib6_nh_init+0x3d8/0x1580 [ 2274.259716][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2274.259716][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2274.259716][ T10] ipv6_add_addr+0x411/0x2000 [ 2274.259716][ T10] inet6_addr_add+0x30e/0xa40 [ 2274.259716][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2274.259716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2274.259716][ T10] netlink_rcv_skb+0x130/0x360 [ 2274.259716][ T10] netlink_unicast+0x449/0x710 [ 2274.259716][ T10] netlink_sendmsg+0x723/0xbe0 [ 2274.259716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2274.259716][ T10] ___sys_sendmsg+0xee/0x170 [ 2274.259716][ T10] __sys_sendmsg+0xcd/0x170 [ 2274.259716][ T10] do_syscall_64+0xc6/0x1e0 [ 2274.259716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2274.259716][ T10] [ 2274.262139][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2274.262139][ T10] netdev_get_by_index+0x5e/0x80 [ 2274.262139][ T10] fib6_nh_init+0x3d8/0x1580 [ 2274.262139][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2274.262139][ T10] ip6_route_add+0x1c/0x140 [ 2274.262139][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2274.262139][ T10] addrconf_add_dev+0xe2/0x170 [ 2274.262139][ T10] inet6_addr_add+0x12f/0xa40 [ 2274.262139][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2274.262139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2274.262139][ T10] netlink_rcv_skb+0x130/0x360 [ 2274.262139][ T10] netlink_unicast+0x449/0x710 [ 2274.262139][ T10] netlink_sendmsg+0x723/0xbe0 [ 2274.262139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2274.262139][ T10] ___sys_sendmsg+0xee/0x170 [ 2274.262139][ T10] __sys_sendmsg+0xcd/0x170 [ 2274.262139][ T10] do_syscall_64+0xc6/0x1e0 [ 2274.262139][ T10] [ 2274.264516][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2274.264516][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2274.264516][ T10] ipv6_find_idev+0x102/0x170 [ 2274.264516][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2274.264516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2274.264516][ T10] netlink_rcv_skb+0x130/0x360 [ 2274.264516][ T10] netlink_unicast+0x449/0x710 [ 2274.264516][ T10] netlink_sendmsg+0x723/0xbe0 [ 2274.264516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2274.264516][ T10] ___sys_sendmsg+0xee/0x170 [ 2274.264516][ T10] __sys_sendmsg+0xcd/0x170 [ 2274.264516][ T10] do_syscall_64+0xc6/0x1e0 [ 2274.264516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2274.264516][ T10] [ 2274.266382][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2274.266382][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2274.266382][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2274.266382][ T10] ipv6_find_idev+0x102/0x170 [ 2274.266382][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2274.266382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2274.266382][ T10] netlink_rcv_skb+0x130/0x360 [ 2274.266382][ T10] netlink_unicast+0x449/0x710 [ 2274.266382][ T10] netlink_sendmsg+0x723/0xbe0 [ 2274.266382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2274.266382][ T10] ___sys_sendmsg+0xee/0x170 [ 2274.266382][ T10] __sys_sendmsg+0xcd/0x170 [ 2274.266382][ T10] do_syscall_64+0xc6/0x1e0 [ 2274.266382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2274.266382][ T10] [ 2274.268427][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2274.268715][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2274.268715][ T10] netdev_get_by_index+0x5e/0x80 [ 2274.268715][ T10] fib6_nh_init+0x3d8/0x1580 [ 2274.268715][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2274.268715][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2274.268715][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2274.268715][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2274.268715][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2274.268715][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2274.268715][ T10] addrconf_dad_begin+0x310/0x670 [ 2274.268715][ T10] addrconf_dad_work+0x10b/0xab0 [ 2274.268715][ T10] process_one_work+0x84d/0x18a0 [ 2274.268715][ T10] worker_thread+0x587/0xd30 [ 2274.268715][ T10] kthread+0x28a/0x350 [ 2274.268715][ T10] ret_from_fork+0x31/0x70 [ 2274.268715][ T10] ret_from_fork_asm+0x1a/0x30 [ 2274.268715][ T10] [ 2274.271015][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2274.271015][ T10] netdev_get_by_index+0x5e/0x80 [ 2274.271015][ T10] fib6_nh_init+0x3d8/0x1580 [ 2274.271015][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2274.271015][ T10] ip6_route_add+0x1c/0x140 [ 2274.271015][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2274.271015][ T10] inet6_addr_add+0x4f8/0xa40 [ 2274.271015][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2274.271015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2274.271015][ T10] netlink_rcv_skb+0x130/0x360 [ 2274.271015][ T10] netlink_unicast+0x449/0x710 [ 2274.271015][ T10] netlink_sendmsg+0x723/0xbe0 [ 2274.271015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2274.271015][ T10] ___sys_sendmsg+0xee/0x170 [ 2274.271015][ T10] __sys_sendmsg+0xcd/0x170 [ 2274.271015][ T10] do_syscall_64+0xc6/0x1e0 [ 2274.271015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2274.271015][ T10] [ 2274.273682][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2274.273682][ T10] netdev_get_by_index+0x5e/0x80 [ 2274.273682][ T10] fib6_nh_init+0x3d8/0x1580 [ 2274.273682][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2274.273682][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2274.273682][ T10] ipv6_add_addr+0x411/0x2000 [ 2274.273682][ T10] inet6_addr_add+0x30e/0xa40 [ 2274.273682][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2274.273682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2274.273682][ T10] netlink_rcv_skb+0x130/0x360 [ 2274.273682][ T10] netlink_unicast+0x449/0x710 [ 2274.273682][ T10] netlink_sendmsg+0x723/0xbe0 [ 2274.273682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2274.273682][ T10] ___sys_sendmsg+0xee/0x170 [ 2274.273682][ T10] __sys_sendmsg+0xcd/0x170 [ 2274.273682][ T10] do_syscall_64+0xc6/0x1e0 [ 2274.273682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2274.273682][ T10] [ 2274.276337][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2274.276337][ T10] netdev_get_by_index+0x5e/0x80 [ 2274.276337][ T10] fib6_nh_init+0x3d8/0x1580 [ 2274.276337][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2274.276337][ T10] ip6_route_add+0x1c/0x140 [ 2274.276337][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2274.276337][ T10] addrconf_add_dev+0xe2/0x170 [ 2274.276337][ T10] inet6_addr_add+0x12f/0xa40 [ 2274.276337][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2274.276337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2274.276337][ T10] netlink_rcv_skb+0x130/0x360 [ 2274.276337][ T10] netlink_unicast+0x449/0x710 [ 2274.276337][ T10] netlink_sendmsg+0x723/0xbe0 [ 2274.276337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2274.276337][ T10] ___sys_sendmsg+0xee/0x170 [ 2274.276337][ T10] __sys_sendmsg+0xcd/0x170 [ 2274.276337][ T10] do_syscall_64+0xc6/0x1e0 [ 2274.276337][ T10] [ 2274.278988][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2274.278988][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2274.278988][ T10] ipv6_find_idev+0x102/0x170 [ 2274.278988][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2274.278988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2274.278988][ T10] netlink_rcv_skb+0x130/0x360 [ 2274.278988][ T10] netlink_unicast+0x449/0x710 [ 2274.278988][ T10] netlink_sendmsg+0x723/0xbe0 [ 2274.278988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2274.278988][ T10] ___sys_sendmsg+0xee/0x170 [ 2274.278988][ T10] __sys_sendmsg+0xcd/0x170 [ 2274.278988][ T10] do_syscall_64+0xc6/0x1e0 [ 2274.278988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2274.278988][ T10] [ 2274.281034][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2274.281034][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2274.281034][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2274.281034][ T10] ipv6_find_idev+0x102/0x170 [ 2274.281034][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2274.281034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2274.281034][ T10] netlink_rcv_skb+0x130/0x360 [ 2274.281034][ T10] netlink_unicast+0x449/0x710 [ 2274.281034][ T10] netlink_sendmsg+0x723/0xbe0 [ 2274.281034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2274.281034][ T10] ___sys_sendmsg+0xee/0x170 [ 2274.281034][ T10] __sys_sendmsg+0xcd/0x170 [ 2274.281034][ T10] do_syscall_64+0xc6/0x1e0 [ 2274.281034][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2274.281034][ T10] [ 2274.283300][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2274.283582][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2274.283582][ T10] netdev_get_by_index+0x5e/0x80 [ 2274.283582][ T10] fib6_nh_init+0x3d8/0x1580 [ 2274.283582][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2274.283582][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2274.283582][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2274.283582][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2274.283582][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2274.283582][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2274.283582][ T10] addrconf_dad_begin+0x310/0x670 [ 2274.283582][ T10] addrconf_dad_work+0x10b/0xab0 [ 2274.283582][ T10] process_one_work+0x84d/0x18a0 [ 2274.283582][ T10] worker_thread+0x587/0xd30 [ 2274.283582][ T10] kthread+0x28a/0x350 [ 2274.283582][ T10] ret_from_fork+0x31/0x70 [ 2274.283582][ T10] ret_from_fork_asm+0x1a/0x30 [ 2274.283582][ T10] [ 2274.286137][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2274.286137][ T10] netdev_get_by_index+0x5e/0x80 [ 2274.286137][ T10] fib6_nh_init+0x3d8/0x1580 [ 2274.286137][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2274.286137][ T10] ip6_route_add+0x1c/0x140 [ 2274.286137][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2274.286137][ T10] inet6_addr_add+0x4f8/0xa40 [ 2274.286137][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2274.286137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2274.286137][ T10] netlink_rcv_skb+0x130/0x360 [ 2274.286137][ T10] netlink_unicast+0x449/0x710 [ 2274.286137][ T10] netlink_sendmsg+0x723/0xbe0 [ 2274.286137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2274.286137][ T10] ___sys_sendmsg+0xee/0x170 [ 2274.286137][ T10] __sys_sendmsg+0xcd/0x170 [ 2274.286137][ T10] do_syscall_64+0xc6/0x1e0 [ 2274.286137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2274.286137][ T10] [ 2274.288731][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2274.288731][ T10] netdev_get_by_index+0x5e/0x80 [ 2274.288731][ T10] fib6_nh_init+0x3d8/0x1580 [ 2274.288731][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2274.288731][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2274.288731][ T10] ipv6_add_addr+0x411/0x2000 [ 2274.288731][ T10] inet6_addr_add+0x30e/0xa40 [ 2274.288731][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2274.288731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2274.288731][ T10] netlink_rcv_skb+0x130/0x360 [ 2274.288731][ T10] netlink_unicast+0x449/0x710 [ 2274.288731][ T10] netlink_sendmsg+0x723/0xbe0 [ 2274.288731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2274.288731][ T10] ___sys_sendmsg+0xee/0x170 [ 2274.288731][ T10] __sys_sendmsg+0xcd/0x170 [ 2274.288731][ T10] do_syscall_64+0xc6/0x1e0 [ 2274.288731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2274.288731][ T10] [ 2274.291456][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2274.291456][ T10] netdev_get_by_index+0x5e/0x80 [ 2274.291456][ T10] fib6_nh_init+0x3d8/0x1580 [ 2274.291456][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2274.291456][ T10] ip6_route_add+0x1c/0x140 [ 2274.291456][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2274.291456][ T10] addrconf_add_dev+0xe2/0x170 [ 2274.291456][ T10] inet6_addr_add+0x12f/0xa40 [ 2274.291456][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2274.291456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2274.291456][ T10] netlink_rcv_skb+0x130/0x360 [ 2274.291456][ T10] netlink_unicast+0x449/0x710 [ 2274.291456][ T10] netlink_sendmsg+0x723/0xbe0 [ 2274.291456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2274.291456][ T10] ___sys_sendmsg+0xee/0x170 [ 2274.291456][ T10] __sys_sendmsg+0xcd/0x170 [ 2274.291456][ T10] do_syscall_64+0xc6/0x1e0 [ 2274.291456][ T10] [ 2274.294077][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2274.294077][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2274.294077][ T10] ipv6_find_idev+0x102/0x170 [ 2274.294077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2274.294077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2274.294077][ T10] netlink_rcv_skb+0x130/0x360 [ 2274.294077][ T10] netlink_unicast+0x449/0x710 [ 2274.294077][ T10] netlink_sendmsg+0x723/0xbe0 [ 2274.294077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2274.294077][ T10] ___sys_sendmsg+0xee/0x170 [ 2274.294077][ T10] __sys_sendmsg+0xcd/0x170 [ 2274.294077][ T10] do_syscall_64+0xc6/0x1e0 [ 2274.294077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2274.294077][ T10] [ 2274.296119][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2274.296119][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2274.296119][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2274.296119][ T10] ipv6_find_idev+0x102/0x170 [ 2274.296119][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2274.296119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2274.296119][ T10] netlink_rcv_skb+0x130/0x360 [ 2274.296119][ T10] netlink_unicast+0x449/0x710 [ 2274.296119][ T10] netlink_sendmsg+0x723/0xbe0 [ 2274.296119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2274.296119][ T10] ___sys_sendmsg+0xee/0x170 [ 2274.296119][ T10] __sys_sendmsg+0xcd/0x170 [ 2274.296119][ T10] do_syscall_64+0xc6/0x1e0 [ 2274.296119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2274.296119][ T10] [ 2278.593096][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2278.593687][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2278.593687][ T1167] dst_init+0x84/0x4a0 [ 2278.593687][ T1167] dst_alloc+0x97/0x150 [ 2278.593687][ T1167] ip6_dst_alloc+0x23/0x90 [ 2278.593687][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2278.593687][ T1167] ip6_pol_route+0x56f/0x840 [ 2278.593687][ T1167] fib6_rule_lookup+0x334/0x630 [ 2278.593687][ T1167] ip6_route_output_flags+0x259/0x480 [ 2278.593687][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2278.593687][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2278.593687][ T1167] netlink_rcv_skb+0x130/0x360 [ 2278.593687][ T1167] netlink_unicast+0x449/0x710 [ 2278.593687][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2278.593687][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2278.593687][ T1167] ___sys_sendmsg+0xee/0x170 [ 2278.593687][ T1167] __sys_sendmsg+0xcd/0x170 [ 2278.593687][ T1167] do_syscall_64+0xc6/0x1e0 [ 2278.593687][ T1167] [ 2278.597096][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2278.597096][ T1167] netdev_get_by_index+0x5e/0x80 [ 2278.597096][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2278.597096][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2278.597096][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2278.597096][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2278.597096][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2278.597096][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2278.597096][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2278.597096][ T1167] addrconf_dad_begin+0x310/0x670 [ 2278.597096][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2278.597096][ T1167] process_one_work+0x84d/0x18a0 [ 2278.597096][ T1167] worker_thread+0x587/0xd30 [ 2278.597096][ T1167] kthread+0x28a/0x350 [ 2278.597096][ T1167] ret_from_fork+0x31/0x70 [ 2278.597096][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2278.597096][ T1167] [ 2278.600289][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2278.600289][ T1167] netdev_get_by_index+0x5e/0x80 [ 2278.600289][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2278.600289][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2278.600289][ T1167] ip6_route_add+0x1c/0x140 [ 2278.600289][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2278.600289][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2278.600289][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2278.600289][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.600289][ T1167] netlink_rcv_skb+0x130/0x360 [ 2278.600289][ T1167] netlink_unicast+0x449/0x710 [ 2278.600289][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2278.600289][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2278.600289][ T1167] ___sys_sendmsg+0xee/0x170 [ 2278.600289][ T1167] __sys_sendmsg+0xcd/0x170 [ 2278.600289][ T1167] do_syscall_64+0xc6/0x1e0 [ 2278.600289][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.600289][ T1167] [ 2278.603627][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2278.603627][ T1167] netdev_get_by_index+0x5e/0x80 [ 2278.603627][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2278.603627][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2278.603627][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2278.603627][ T1167] ipv6_add_addr+0x411/0x2000 [ 2278.603627][ T1167] inet6_addr_add+0x30e/0xa40 [ 2278.603627][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2278.603627][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.603627][ T1167] netlink_rcv_skb+0x130/0x360 [ 2278.603627][ T1167] netlink_unicast+0x449/0x710 [ 2278.603627][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2278.603627][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2278.603627][ T1167] ___sys_sendmsg+0xee/0x170 [ 2278.603627][ T1167] __sys_sendmsg+0xcd/0x170 [ 2278.603627][ T1167] do_syscall_64+0xc6/0x1e0 [ 2278.603627][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.603627][ T1167] [ 2278.607175][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2278.607175][ T1167] netdev_get_by_index+0x5e/0x80 [ 2278.607175][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2278.607175][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2278.607175][ T1167] ip6_route_add+0x1c/0x140 [ 2278.607175][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2278.607175][ T1167] addrconf_add_dev+0xe2/0x170 [ 2278.607175][ T1167] inet6_addr_add+0x12f/0xa40 [ 2278.607175][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2278.607175][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.607175][ T1167] netlink_rcv_skb+0x130/0x360 [ 2278.607175][ T1167] netlink_unicast+0x449/0x710 [ 2278.607175][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2278.607175][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2278.607175][ T1167] ___sys_sendmsg+0xee/0x170 [ 2278.607175][ T1167] __sys_sendmsg+0xcd/0x170 [ 2278.607175][ T1167] do_syscall_64+0xc6/0x1e0 [ 2278.607175][ T1167] [ 2278.610669][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2278.610669][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2278.610669][ T1167] ipv6_find_idev+0x102/0x170 [ 2278.610669][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2278.610669][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.610669][ T1167] netlink_rcv_skb+0x130/0x360 [ 2278.610669][ T1167] netlink_unicast+0x449/0x710 [ 2278.610669][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2278.610669][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2278.610669][ T1167] ___sys_sendmsg+0xee/0x170 [ 2278.610669][ T1167] __sys_sendmsg+0xcd/0x170 [ 2278.610669][ T1167] do_syscall_64+0xc6/0x1e0 [ 2278.610669][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.610669][ T1167] [ 2278.613402][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2278.613402][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2278.613402][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2278.613402][ T1167] ipv6_find_idev+0x102/0x170 [ 2278.613402][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2278.613402][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.613402][ T1167] netlink_rcv_skb+0x130/0x360 [ 2278.613402][ T1167] netlink_unicast+0x449/0x710 [ 2278.613402][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2278.613402][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2278.613402][ T1167] ___sys_sendmsg+0xee/0x170 [ 2278.613402][ T1167] __sys_sendmsg+0xcd/0x170 [ 2278.613402][ T1167] do_syscall_64+0xc6/0x1e0 [ 2278.613402][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.613402][ T1167] [ 2284.409087][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2284.409483][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2284.409483][ T10] netdev_get_by_index+0x5e/0x80 [ 2284.409483][ T10] fib6_nh_init+0x3d8/0x1580 [ 2284.409483][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2284.409483][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2284.409483][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2284.409483][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2284.409483][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2284.409483][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2284.409483][ T10] addrconf_dad_begin+0x310/0x670 [ 2284.409483][ T10] addrconf_dad_work+0x10b/0xab0 [ 2284.409483][ T10] process_one_work+0x84d/0x18a0 [ 2284.409483][ T10] worker_thread+0x587/0xd30 [ 2284.409483][ T10] kthread+0x28a/0x350 [ 2284.409483][ T10] ret_from_fork+0x31/0x70 [ 2284.409483][ T10] ret_from_fork_asm+0x1a/0x30 [ 2284.409483][ T10] [ 2284.411835][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2284.411835][ T10] netdev_get_by_index+0x5e/0x80 [ 2284.411835][ T10] fib6_nh_init+0x3d8/0x1580 [ 2284.411835][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2284.411835][ T10] ip6_route_add+0x1c/0x140 [ 2284.411835][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2284.411835][ T10] inet6_addr_add+0x4f8/0xa40 [ 2284.411835][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2284.411835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2284.411835][ T10] netlink_rcv_skb+0x130/0x360 [ 2284.411835][ T10] netlink_unicast+0x449/0x710 [ 2284.411835][ T10] netlink_sendmsg+0x723/0xbe0 [ 2284.411835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2284.411835][ T10] ___sys_sendmsg+0xee/0x170 [ 2284.411835][ T10] __sys_sendmsg+0xcd/0x170 [ 2284.411835][ T10] do_syscall_64+0xc6/0x1e0 [ 2284.411835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2284.411835][ T10] [ 2284.414254][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2284.414254][ T10] netdev_get_by_index+0x5e/0x80 [ 2284.414254][ T10] fib6_nh_init+0x3d8/0x1580 [ 2284.414254][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2284.414254][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2284.414254][ T10] ipv6_add_addr+0x411/0x2000 [ 2284.414254][ T10] inet6_addr_add+0x30e/0xa40 [ 2284.414254][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2284.414254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2284.414254][ T10] netlink_rcv_skb+0x130/0x360 [ 2284.414254][ T10] netlink_unicast+0x449/0x710 [ 2284.414254][ T10] netlink_sendmsg+0x723/0xbe0 [ 2284.414254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2284.414254][ T10] ___sys_sendmsg+0xee/0x170 [ 2284.414254][ T10] __sys_sendmsg+0xcd/0x170 [ 2284.414254][ T10] do_syscall_64+0xc6/0x1e0 [ 2284.414254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2284.414254][ T10] [ 2284.417225][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2284.417225][ T10] netdev_get_by_index+0x5e/0x80 [ 2284.417225][ T10] fib6_nh_init+0x3d8/0x1580 [ 2284.417225][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2284.417225][ T10] ip6_route_add+0x1c/0x140 [ 2284.417225][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2284.417225][ T10] addrconf_add_dev+0xe2/0x170 [ 2284.417225][ T10] inet6_addr_add+0x12f/0xa40 [ 2284.417225][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2284.417225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2284.417225][ T10] netlink_rcv_skb+0x130/0x360 [ 2284.417225][ T10] netlink_unicast+0x449/0x710 [ 2284.417225][ T10] netlink_sendmsg+0x723/0xbe0 [ 2284.417225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2284.417225][ T10] ___sys_sendmsg+0xee/0x170 [ 2284.417225][ T10] __sys_sendmsg+0xcd/0x170 [ 2284.417225][ T10] do_syscall_64+0xc6/0x1e0 [ 2284.417225][ T10] [ 2284.419627][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2284.419627][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2284.419627][ T10] ipv6_find_idev+0x102/0x170 [ 2284.419627][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2284.419627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2284.419627][ T10] netlink_rcv_skb+0x130/0x360 [ 2284.419627][ T10] netlink_unicast+0x449/0x710 [ 2284.419627][ T10] netlink_sendmsg+0x723/0xbe0 [ 2284.419627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2284.419627][ T10] ___sys_sendmsg+0xee/0x170 [ 2284.419627][ T10] __sys_sendmsg+0xcd/0x170 [ 2284.419627][ T10] do_syscall_64+0xc6/0x1e0 [ 2284.419627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2284.419627][ T10] [ 2284.421485][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2284.421485][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2284.421485][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2284.421485][ T10] ipv6_find_idev+0x102/0x170 [ 2284.421485][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2284.421485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2284.421485][ T10] netlink_rcv_skb+0x130/0x360 [ 2284.421485][ T10] netlink_unicast+0x449/0x710 [ 2284.421485][ T10] netlink_sendmsg+0x723/0xbe0 [ 2284.421485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2284.421485][ T10] ___sys_sendmsg+0xee/0x170 [ 2284.421485][ T10] __sys_sendmsg+0xcd/0x170 [ 2284.421485][ T10] do_syscall_64+0xc6/0x1e0 [ 2284.421485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2284.421485][ T10] [ 2284.423520][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2284.423813][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2284.423813][ T10] netdev_get_by_index+0x5e/0x80 [ 2284.423813][ T10] fib6_nh_init+0x3d8/0x1580 [ 2284.423813][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2284.423813][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2284.423813][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2284.423813][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2284.423813][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2284.423813][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2284.423813][ T10] addrconf_dad_begin+0x310/0x670 [ 2284.423813][ T10] addrconf_dad_work+0x10b/0xab0 [ 2284.423813][ T10] process_one_work+0x84d/0x18a0 [ 2284.423813][ T10] worker_thread+0x587/0xd30 [ 2284.423813][ T10] kthread+0x28a/0x350 [ 2284.423813][ T10] ret_from_fork+0x31/0x70 [ 2284.423813][ T10] ret_from_fork_asm+0x1a/0x30 [ 2284.423813][ T10] [ 2284.426116][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2284.426116][ T10] netdev_get_by_index+0x5e/0x80 [ 2284.426116][ T10] fib6_nh_init+0x3d8/0x1580 [ 2284.426116][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2284.426116][ T10] ip6_route_add+0x1c/0x140 [ 2284.426116][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2284.426116][ T10] inet6_addr_add+0x4f8/0xa40 [ 2284.426116][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2284.426116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2284.426116][ T10] netlink_rcv_skb+0x130/0x360 [ 2284.426116][ T10] netlink_unicast+0x449/0x710 [ 2284.426116][ T10] netlink_sendmsg+0x723/0xbe0 [ 2284.426116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2284.426116][ T10] ___sys_sendmsg+0xee/0x170 [ 2284.426116][ T10] __sys_sendmsg+0xcd/0x170 [ 2284.426116][ T10] do_syscall_64+0xc6/0x1e0 [ 2284.426116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2284.426116][ T10] [ 2284.428551][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2284.428551][ T10] netdev_get_by_index+0x5e/0x80 [ 2284.428551][ T10] fib6_nh_init+0x3d8/0x1580 [ 2284.428551][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2284.428551][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2284.428551][ T10] ipv6_add_addr+0x411/0x2000 [ 2284.428551][ T10] inet6_addr_add+0x30e/0xa40 [ 2284.428551][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2284.428551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2284.428551][ T10] netlink_rcv_skb+0x130/0x360 [ 2284.428551][ T10] netlink_unicast+0x449/0x710 [ 2284.428551][ T10] netlink_sendmsg+0x723/0xbe0 [ 2284.428551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2284.428551][ T10] ___sys_sendmsg+0xee/0x170 [ 2284.428551][ T10] __sys_sendmsg+0xcd/0x170 [ 2284.428551][ T10] do_syscall_64+0xc6/0x1e0 [ 2284.428551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2284.428551][ T10] [ 2284.430973][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2284.430973][ T10] netdev_get_by_index+0x5e/0x80 [ 2284.430973][ T10] fib6_nh_init+0x3d8/0x1580 [ 2284.430973][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2284.430973][ T10] ip6_route_add+0x1c/0x140 [ 2284.430973][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2284.430973][ T10] addrconf_add_dev+0xe2/0x170 [ 2284.430973][ T10] inet6_addr_add+0x12f/0xa40 [ 2284.430973][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2284.430973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2284.430973][ T10] netlink_rcv_skb+0x130/0x360 [ 2284.430973][ T10] netlink_unicast+0x449/0x710 [ 2284.430973][ T10] netlink_sendmsg+0x723/0xbe0 [ 2284.430973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2284.430973][ T10] ___sys_sendmsg+0xee/0x170 [ 2284.430973][ T10] __sys_sendmsg+0xcd/0x170 [ 2284.430973][ T10] do_syscall_64+0xc6/0x1e0 [ 2284.430973][ T10] [ 2284.433343][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2284.433343][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2284.433343][ T10] ipv6_find_idev+0x102/0x170 [ 2284.433343][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2284.433343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2284.433343][ T10] netlink_rcv_skb+0x130/0x360 [ 2284.433343][ T10] netlink_unicast+0x449/0x710 [ 2284.433343][ T10] netlink_sendmsg+0x723/0xbe0 [ 2284.433343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2284.433343][ T10] ___sys_sendmsg+0xee/0x170 [ 2284.433343][ T10] __sys_sendmsg+0xcd/0x170 [ 2284.433343][ T10] do_syscall_64+0xc6/0x1e0 [ 2284.433343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2284.433343][ T10] [ 2284.435204][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2284.435204][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2284.435204][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2284.435204][ T10] ipv6_find_idev+0x102/0x170 [ 2284.435204][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2284.435204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2284.435204][ T10] netlink_rcv_skb+0x130/0x360 [ 2284.435204][ T10] netlink_unicast+0x449/0x710 [ 2284.435204][ T10] netlink_sendmsg+0x723/0xbe0 [ 2284.435204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2284.435204][ T10] ___sys_sendmsg+0xee/0x170 [ 2284.435204][ T10] __sys_sendmsg+0xcd/0x170 [ 2284.435204][ T10] do_syscall_64+0xc6/0x1e0 [ 2284.435204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2284.435204][ T10] [ 2284.437232][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2284.437541][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2284.437541][ T10] netdev_get_by_index+0x5e/0x80 [ 2284.437541][ T10] fib6_nh_init+0x3d8/0x1580 [ 2284.437541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2284.437541][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2284.437541][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2284.437541][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2284.437541][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2284.437541][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2284.437541][ T10] addrconf_dad_begin+0x310/0x670 [ 2284.437541][ T10] addrconf_dad_work+0x10b/0xab0 [ 2284.437541][ T10] process_one_work+0x84d/0x18a0 [ 2284.437541][ T10] worker_thread+0x587/0xd30 [ 2284.437541][ T10] kthread+0x28a/0x350 [ 2284.437541][ T10] ret_from_fork+0x31/0x70 [ 2284.437541][ T10] ret_from_fork_asm+0x1a/0x30 [ 2284.437541][ T10] [ 2284.439855][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2284.439855][ T10] netdev_get_by_index+0x5e/0x80 [ 2284.439855][ T10] fib6_nh_init+0x3d8/0x1580 [ 2284.439855][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2284.439855][ T10] ip6_route_add+0x1c/0x140 [ 2284.439855][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2284.439855][ T10] inet6_addr_add+0x4f8/0xa40 [ 2284.439855][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2284.439855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2284.439855][ T10] netlink_rcv_skb+0x130/0x360 [ 2284.439855][ T10] netlink_unicast+0x449/0x710 [ 2284.439855][ T10] netlink_sendmsg+0x723/0xbe0 [ 2284.439855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2284.439855][ T10] ___sys_sendmsg+0xee/0x170 [ 2284.439855][ T10] __sys_sendmsg+0xcd/0x170 [ 2284.439855][ T10] do_syscall_64+0xc6/0x1e0 [ 2284.439855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2284.439855][ T10] [ 2284.442459][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2284.442459][ T10] netdev_get_by_index+0x5e/0x80 [ 2284.442459][ T10] fib6_nh_init+0x3d8/0x1580 [ 2284.442459][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2284.442459][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2284.442459][ T10] ipv6_add_addr+0x411/0x2000 [ 2284.442459][ T10] inet6_addr_add+0x30e/0xa40 [ 2284.442459][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2284.442459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2284.442459][ T10] netlink_rcv_skb+0x130/0x360 [ 2284.442459][ T10] netlink_unicast+0x449/0x710 [ 2284.442459][ T10] netlink_sendmsg+0x723/0xbe0 [ 2284.442459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2284.442459][ T10] ___sys_sendmsg+0xee/0x170 [ 2284.442459][ T10] __sys_sendmsg+0xcd/0x170 [ 2284.442459][ T10] do_syscall_64+0xc6/0x1e0 [ 2284.442459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2284.442459][ T10] [ 2284.445179][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2284.445179][ T10] netdev_get_by_index+0x5e/0x80 [ 2284.445179][ T10] fib6_nh_init+0x3d8/0x1580 [ 2284.445179][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2284.445179][ T10] ip6_route_add+0x1c/0x140 [ 2284.445179][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2284.445179][ T10] addrconf_add_dev+0xe2/0x170 [ 2284.445179][ T10] inet6_addr_add+0x12f/0xa40 [ 2284.445179][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2284.445179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2284.445179][ T10] netlink_rcv_skb+0x130/0x360 [ 2284.445179][ T10] netlink_unicast+0x449/0x710 [ 2284.445179][ T10] netlink_sendmsg+0x723/0xbe0 [ 2284.445179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2284.445179][ T10] ___sys_sendmsg+0xee/0x170 [ 2284.445179][ T10] __sys_sendmsg+0xcd/0x170 [ 2284.445179][ T10] do_syscall_64+0xc6/0x1e0 [ 2284.445179][ T10] [ 2284.448182][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2284.448182][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2284.448182][ T10] ipv6_find_idev+0x102/0x170 [ 2284.448182][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2284.448182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2284.448182][ T10] netlink_rcv_skb+0x130/0x360 [ 2284.448182][ T10] netlink_unicast+0x449/0x710 [ 2284.448182][ T10] netlink_sendmsg+0x723/0xbe0 [ 2284.448182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2284.448182][ T10] ___sys_sendmsg+0xee/0x170 [ 2284.448182][ T10] __sys_sendmsg+0xcd/0x170 [ 2284.448182][ T10] do_syscall_64+0xc6/0x1e0 [ 2284.448182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2284.448182][ T10] [ 2284.450231][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2284.450231][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2284.450231][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2284.450231][ T10] ipv6_find_idev+0x102/0x170 [ 2284.450231][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2284.450231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2284.450231][ T10] netlink_rcv_skb+0x130/0x360 [ 2284.450231][ T10] netlink_unicast+0x449/0x710 [ 2284.450231][ T10] netlink_sendmsg+0x723/0xbe0 [ 2284.450231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2284.450231][ T10] ___sys_sendmsg+0xee/0x170 [ 2284.450231][ T10] __sys_sendmsg+0xcd/0x170 [ 2284.450231][ T10] do_syscall_64+0xc6/0x1e0 [ 2284.450231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2284.450231][ T10] [ 2284.452503][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2284.452790][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2284.452790][ T10] netdev_get_by_index+0x5e/0x80 [ 2284.452790][ T10] fib6_nh_init+0x3d8/0x1580 [ 2284.452790][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2284.452790][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2284.452790][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2284.452790][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2284.452790][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2284.452790][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2284.452790][ T10] addrconf_dad_begin+0x310/0x670 [ 2284.452790][ T10] addrconf_dad_work+0x10b/0xab0 [ 2284.452790][ T10] process_one_work+0x84d/0x18a0 [ 2284.452790][ T10] worker_thread+0x587/0xd30 [ 2284.452790][ T10] kthread+0x28a/0x350 [ 2284.452790][ T10] ret_from_fork+0x31/0x70 [ 2284.452790][ T10] ret_from_fork_asm+0x1a/0x30 [ 2284.452790][ T10] [ 2284.455407][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2284.455407][ T10] netdev_get_by_index+0x5e/0x80 [ 2284.455407][ T10] fib6_nh_init+0x3d8/0x1580 [ 2284.455407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2284.455407][ T10] ip6_route_add+0x1c/0x140 [ 2284.455407][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2284.455407][ T10] inet6_addr_add+0x4f8/0xa40 [ 2284.455407][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2284.455407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2284.455407][ T10] netlink_rcv_skb+0x130/0x360 [ 2284.455407][ T10] netlink_unicast+0x449/0x710 [ 2284.455407][ T10] netlink_sendmsg+0x723/0xbe0 [ 2284.455407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2284.455407][ T10] ___sys_sendmsg+0xee/0x170 [ 2284.455407][ T10] __sys_sendmsg+0xcd/0x170 [ 2284.455407][ T10] do_syscall_64+0xc6/0x1e0 [ 2284.455407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2284.455407][ T10] [ 2284.458385][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2284.458385][ T10] netdev_get_by_index+0x5e/0x80 [ 2284.458385][ T10] fib6_nh_init+0x3d8/0x1580 [ 2284.458385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2284.458385][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2284.458385][ T10] ipv6_add_addr+0x411/0x2000 [ 2284.458385][ T10] inet6_addr_add+0x30e/0xa40 [ 2284.458385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2284.458385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2284.458385][ T10] netlink_rcv_skb+0x130/0x360 [ 2284.458385][ T10] netlink_unicast+0x449/0x710 [ 2284.458385][ T10] netlink_sendmsg+0x723/0xbe0 [ 2284.458385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2284.458385][ T10] ___sys_sendmsg+0xee/0x170 [ 2284.458385][ T10] __sys_sendmsg+0xcd/0x170 [ 2284.458385][ T10] do_syscall_64+0xc6/0x1e0 [ 2284.458385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2284.458385][ T10] [ 2284.461042][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2284.461042][ T10] netdev_get_by_index+0x5e/0x80 [ 2284.461042][ T10] fib6_nh_init+0x3d8/0x1580 [ 2284.461042][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2284.461042][ T10] ip6_route_add+0x1c/0x140 [ 2284.461042][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2284.461042][ T10] addrconf_add_dev+0xe2/0x170 [ 2284.461042][ T10] inet6_addr_add+0x12f/0xa40 [ 2284.461042][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2284.461042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2284.461042][ T10] netlink_rcv_skb+0x130/0x360 [ 2284.461042][ T10] netlink_unicast+0x449/0x710 [ 2284.461042][ T10] netlink_sendmsg+0x723/0xbe0 [ 2284.461042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2284.461042][ T10] ___sys_sendmsg+0xee/0x170 [ 2284.461042][ T10] __sys_sendmsg+0xcd/0x170 [ 2284.461042][ T10] do_syscall_64+0xc6/0x1e0 [ 2284.461042][ T10] [ 2284.463663][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2284.463663][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2284.463663][ T10] ipv6_find_idev+0x102/0x170 [ 2284.463663][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2284.463663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2284.463663][ T10] netlink_rcv_skb+0x130/0x360 [ 2284.463663][ T10] netlink_unicast+0x449/0x710 [ 2284.463663][ T10] netlink_sendmsg+0x723/0xbe0 [ 2284.463663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2284.463663][ T10] ___sys_sendmsg+0xee/0x170 [ 2284.463663][ T10] __sys_sendmsg+0xcd/0x170 [ 2284.463663][ T10] do_syscall_64+0xc6/0x1e0 [ 2284.463663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2284.463663][ T10] [ 2284.465705][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2284.465705][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2284.465705][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2284.465705][ T10] ipv6_find_idev+0x102/0x170 [ 2284.465705][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2284.465705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2284.465705][ T10] netlink_rcv_skb+0x130/0x360 [ 2284.465705][ T10] netlink_unicast+0x449/0x710 [ 2284.465705][ T10] netlink_sendmsg+0x723/0xbe0 [ 2284.465705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2284.465705][ T10] ___sys_sendmsg+0xee/0x170 [ 2284.465705][ T10] __sys_sendmsg+0xcd/0x170 [ 2284.465705][ T10] do_syscall_64+0xc6/0x1e0 [ 2284.465705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2284.465705][ T10] [ 2288.849243][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2288.849670][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2288.849670][ T1167] dst_init+0x84/0x4a0 [ 2288.849670][ T1167] dst_alloc+0x97/0x150 [ 2288.849670][ T1167] ip6_dst_alloc+0x23/0x90 [ 2288.849670][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2288.849670][ T1167] ip6_pol_route+0x56f/0x840 [ 2288.849670][ T1167] fib6_rule_lookup+0x334/0x630 [ 2288.849670][ T1167] ip6_route_output_flags+0x259/0x480 [ 2288.849670][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2288.849670][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2288.849670][ T1167] netlink_rcv_skb+0x130/0x360 [ 2288.849670][ T1167] netlink_unicast+0x449/0x710 [ 2288.849670][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2288.849670][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2288.849670][ T1167] ___sys_sendmsg+0xee/0x170 [ 2288.849670][ T1167] __sys_sendmsg+0xcd/0x170 [ 2288.849670][ T1167] do_syscall_64+0xc6/0x1e0 [ 2288.849670][ T1167] [ 2288.851843][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2288.851843][ T1167] netdev_get_by_index+0x5e/0x80 [ 2288.851843][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2288.851843][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2288.851843][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2288.851843][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2288.851843][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2288.851843][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2288.851843][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2288.851843][ T1167] addrconf_dad_begin+0x310/0x670 [ 2288.851843][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2288.851843][ T1167] process_one_work+0x84d/0x18a0 [ 2288.851843][ T1167] worker_thread+0x587/0xd30 [ 2288.851843][ T1167] kthread+0x28a/0x350 [ 2288.851843][ T1167] ret_from_fork+0x31/0x70 [ 2288.851843][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2288.851843][ T1167] [ 2288.853972][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2288.853972][ T1167] netdev_get_by_index+0x5e/0x80 [ 2288.853972][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2288.853972][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2288.853972][ T1167] ip6_route_add+0x1c/0x140 [ 2288.853972][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2288.853972][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2288.853972][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2288.853972][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.853972][ T1167] netlink_rcv_skb+0x130/0x360 [ 2288.853972][ T1167] netlink_unicast+0x449/0x710 [ 2288.853972][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2288.853972][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2288.853972][ T1167] ___sys_sendmsg+0xee/0x170 [ 2288.853972][ T1167] __sys_sendmsg+0xcd/0x170 [ 2288.853972][ T1167] do_syscall_64+0xc6/0x1e0 [ 2288.853972][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.853972][ T1167] [ 2288.856214][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2288.856214][ T1167] netdev_get_by_index+0x5e/0x80 [ 2288.856214][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2288.856214][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2288.856214][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2288.856214][ T1167] ipv6_add_addr+0x411/0x2000 [ 2288.856214][ T1167] inet6_addr_add+0x30e/0xa40 [ 2288.856214][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2288.856214][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.856214][ T1167] netlink_rcv_skb+0x130/0x360 [ 2288.856214][ T1167] netlink_unicast+0x449/0x710 [ 2288.856214][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2288.856214][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2288.856214][ T1167] ___sys_sendmsg+0xee/0x170 [ 2288.856214][ T1167] __sys_sendmsg+0xcd/0x170 [ 2288.856214][ T1167] do_syscall_64+0xc6/0x1e0 [ 2288.856214][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.856214][ T1167] [ 2288.858459][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2288.858459][ T1167] netdev_get_by_index+0x5e/0x80 [ 2288.858459][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2288.858459][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2288.858459][ T1167] ip6_route_add+0x1c/0x140 [ 2288.858459][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2288.858459][ T1167] addrconf_add_dev+0xe2/0x170 [ 2288.858459][ T1167] inet6_addr_add+0x12f/0xa40 [ 2288.858459][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2288.858459][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.858459][ T1167] netlink_rcv_skb+0x130/0x360 [ 2288.858459][ T1167] netlink_unicast+0x449/0x710 [ 2288.858459][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2288.858459][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2288.858459][ T1167] ___sys_sendmsg+0xee/0x170 [ 2288.858459][ T1167] __sys_sendmsg+0xcd/0x170 [ 2288.858459][ T1167] do_syscall_64+0xc6/0x1e0 [ 2288.858459][ T1167] [ 2288.860656][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2288.860656][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2288.860656][ T1167] ipv6_find_idev+0x102/0x170 [ 2288.860656][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2288.860656][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.860656][ T1167] netlink_rcv_skb+0x130/0x360 [ 2288.860656][ T1167] netlink_unicast+0x449/0x710 [ 2288.860656][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2288.860656][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2288.860656][ T1167] ___sys_sendmsg+0xee/0x170 [ 2288.860656][ T1167] __sys_sendmsg+0xcd/0x170 [ 2288.860656][ T1167] do_syscall_64+0xc6/0x1e0 [ 2288.860656][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.860656][ T1167] [ 2288.862373][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2288.862373][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2288.862373][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2288.862373][ T1167] ipv6_find_idev+0x102/0x170 [ 2288.862373][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2288.862373][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2288.862373][ T1167] netlink_rcv_skb+0x130/0x360 [ 2288.862373][ T1167] netlink_unicast+0x449/0x710 [ 2288.862373][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2288.862373][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2288.862373][ T1167] ___sys_sendmsg+0xee/0x170 [ 2288.862373][ T1167] __sys_sendmsg+0xcd/0x170 [ 2288.862373][ T1167] do_syscall_64+0xc6/0x1e0 [ 2288.862373][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2288.862373][ T1167] [ 2294.481079][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2294.481571][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2294.481571][ T10] netdev_get_by_index+0x5e/0x80 [ 2294.481571][ T10] fib6_nh_init+0x3d8/0x1580 [ 2294.481571][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2294.481571][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2294.481571][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2294.481571][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2294.481571][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2294.481571][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2294.481571][ T10] addrconf_dad_begin+0x310/0x670 [ 2294.481571][ T10] addrconf_dad_work+0x10b/0xab0 [ 2294.481571][ T10] process_one_work+0x84d/0x18a0 [ 2294.481571][ T10] worker_thread+0x587/0xd30 [ 2294.481571][ T10] kthread+0x28a/0x350 [ 2294.481571][ T10] ret_from_fork+0x31/0x70 [ 2294.481571][ T10] ret_from_fork_asm+0x1a/0x30 [ 2294.481571][ T10] [ 2294.484420][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2294.484420][ T10] netdev_get_by_index+0x5e/0x80 [ 2294.484420][ T10] fib6_nh_init+0x3d8/0x1580 [ 2294.484420][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2294.484420][ T10] ip6_route_add+0x1c/0x140 [ 2294.484420][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2294.484420][ T10] inet6_addr_add+0x4f8/0xa40 [ 2294.484420][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2294.484420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2294.484420][ T10] netlink_rcv_skb+0x130/0x360 [ 2294.484420][ T10] netlink_unicast+0x449/0x710 [ 2294.484420][ T10] netlink_sendmsg+0x723/0xbe0 [ 2294.484420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2294.484420][ T10] ___sys_sendmsg+0xee/0x170 [ 2294.484420][ T10] __sys_sendmsg+0xcd/0x170 [ 2294.484420][ T10] do_syscall_64+0xc6/0x1e0 [ 2294.484420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2294.484420][ T10] [ 2294.487453][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2294.487453][ T10] netdev_get_by_index+0x5e/0x80 [ 2294.487453][ T10] fib6_nh_init+0x3d8/0x1580 [ 2294.487453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2294.487453][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2294.487453][ T10] ipv6_add_addr+0x411/0x2000 [ 2294.487453][ T10] inet6_addr_add+0x30e/0xa40 [ 2294.487453][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2294.487453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2294.487453][ T10] netlink_rcv_skb+0x130/0x360 [ 2294.487453][ T10] netlink_unicast+0x449/0x710 [ 2294.487453][ T10] netlink_sendmsg+0x723/0xbe0 [ 2294.487453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2294.487453][ T10] ___sys_sendmsg+0xee/0x170 [ 2294.487453][ T10] __sys_sendmsg+0xcd/0x170 [ 2294.487453][ T10] do_syscall_64+0xc6/0x1e0 [ 2294.487453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2294.487453][ T10] [ 2294.490457][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2294.490457][ T10] netdev_get_by_index+0x5e/0x80 [ 2294.490457][ T10] fib6_nh_init+0x3d8/0x1580 [ 2294.490457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2294.490457][ T10] ip6_route_add+0x1c/0x140 [ 2294.490457][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2294.490457][ T10] addrconf_add_dev+0xe2/0x170 [ 2294.490457][ T10] inet6_addr_add+0x12f/0xa40 [ 2294.490457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2294.490457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2294.490457][ T10] netlink_rcv_skb+0x130/0x360 [ 2294.490457][ T10] netlink_unicast+0x449/0x710 [ 2294.490457][ T10] netlink_sendmsg+0x723/0xbe0 [ 2294.490457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2294.490457][ T10] ___sys_sendmsg+0xee/0x170 [ 2294.490457][ T10] __sys_sendmsg+0xcd/0x170 [ 2294.490457][ T10] do_syscall_64+0xc6/0x1e0 [ 2294.490457][ T10] [ 2294.493552][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2294.493552][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2294.493552][ T10] ipv6_find_idev+0x102/0x170 [ 2294.493552][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2294.493552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2294.493552][ T10] netlink_rcv_skb+0x130/0x360 [ 2294.493552][ T10] netlink_unicast+0x449/0x710 [ 2294.493552][ T10] netlink_sendmsg+0x723/0xbe0 [ 2294.493552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2294.493552][ T10] ___sys_sendmsg+0xee/0x170 [ 2294.493552][ T10] __sys_sendmsg+0xcd/0x170 [ 2294.493552][ T10] do_syscall_64+0xc6/0x1e0 [ 2294.493552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2294.493552][ T10] [ 2294.495935][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2294.495935][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2294.495935][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2294.495935][ T10] ipv6_find_idev+0x102/0x170 [ 2294.495935][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2294.495935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2294.495935][ T10] netlink_rcv_skb+0x130/0x360 [ 2294.495935][ T10] netlink_unicast+0x449/0x710 [ 2294.495935][ T10] netlink_sendmsg+0x723/0xbe0 [ 2294.495935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2294.495935][ T10] ___sys_sendmsg+0xee/0x170 [ 2294.495935][ T10] __sys_sendmsg+0xcd/0x170 [ 2294.495935][ T10] do_syscall_64+0xc6/0x1e0 [ 2294.495935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2294.495935][ T10] [ 2294.498576][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2294.498951][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2294.498951][ T10] netdev_get_by_index+0x5e/0x80 [ 2294.498951][ T10] fib6_nh_init+0x3d8/0x1580 [ 2294.498951][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2294.498951][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2294.498951][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2294.498951][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2294.498951][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2294.498951][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2294.498951][ T10] addrconf_dad_begin+0x310/0x670 [ 2294.498951][ T10] addrconf_dad_work+0x10b/0xab0 [ 2294.498951][ T10] process_one_work+0x84d/0x18a0 [ 2294.498951][ T10] worker_thread+0x587/0xd30 [ 2294.498951][ T10] kthread+0x28a/0x350 [ 2294.498951][ T10] ret_from_fork+0x31/0x70 [ 2294.498951][ T10] ret_from_fork_asm+0x1a/0x30 [ 2294.498951][ T10] [ 2294.501435][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2294.501435][ T10] netdev_get_by_index+0x5e/0x80 [ 2294.501435][ T10] fib6_nh_init+0x3d8/0x1580 [ 2294.501435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2294.501435][ T10] ip6_route_add+0x1c/0x140 [ 2294.501435][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2294.501435][ T10] inet6_addr_add+0x4f8/0xa40 [ 2294.501435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2294.501435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2294.501435][ T10] netlink_rcv_skb+0x130/0x360 [ 2294.501435][ T10] netlink_unicast+0x449/0x710 [ 2294.501435][ T10] netlink_sendmsg+0x723/0xbe0 [ 2294.501435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2294.501435][ T10] ___sys_sendmsg+0xee/0x170 [ 2294.501435][ T10] __sys_sendmsg+0xcd/0x170 [ 2294.501435][ T10] do_syscall_64+0xc6/0x1e0 [ 2294.501435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2294.501435][ T10] [ 2294.503659][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2294.503659][ T10] netdev_get_by_index+0x5e/0x80 [ 2294.503659][ T10] fib6_nh_init+0x3d8/0x1580 [ 2294.503659][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2294.503659][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2294.503659][ T10] ipv6_add_addr+0x411/0x2000 [ 2294.503659][ T10] inet6_addr_add+0x30e/0xa40 [ 2294.503659][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2294.503659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2294.503659][ T10] netlink_rcv_skb+0x130/0x360 [ 2294.503659][ T10] netlink_unicast+0x449/0x710 [ 2294.503659][ T10] netlink_sendmsg+0x723/0xbe0 [ 2294.503659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2294.503659][ T10] ___sys_sendmsg+0xee/0x170 [ 2294.503659][ T10] __sys_sendmsg+0xcd/0x170 [ 2294.503659][ T10] do_syscall_64+0xc6/0x1e0 [ 2294.503659][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2294.503659][ T10] [ 2294.505785][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2294.505785][ T10] netdev_get_by_index+0x5e/0x80 [ 2294.505785][ T10] fib6_nh_init+0x3d8/0x1580 [ 2294.505785][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2294.505785][ T10] ip6_route_add+0x1c/0x140 [ 2294.505785][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2294.505785][ T10] addrconf_add_dev+0xe2/0x170 [ 2294.505785][ T10] inet6_addr_add+0x12f/0xa40 [ 2294.505785][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2294.505785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2294.505785][ T10] netlink_rcv_skb+0x130/0x360 [ 2294.505785][ T10] netlink_unicast+0x449/0x710 [ 2294.505785][ T10] netlink_sendmsg+0x723/0xbe0 [ 2294.505785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2294.505785][ T10] ___sys_sendmsg+0xee/0x170 [ 2294.505785][ T10] __sys_sendmsg+0xcd/0x170 [ 2294.505785][ T10] do_syscall_64+0xc6/0x1e0 [ 2294.505785][ T10] [ 2294.507924][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2294.507924][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2294.507924][ T10] ipv6_find_idev+0x102/0x170 [ 2294.507924][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2294.507924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2294.507924][ T10] netlink_rcv_skb+0x130/0x360 [ 2294.507924][ T10] netlink_unicast+0x449/0x710 [ 2294.507924][ T10] netlink_sendmsg+0x723/0xbe0 [ 2294.507924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2294.507924][ T10] ___sys_sendmsg+0xee/0x170 [ 2294.507924][ T10] __sys_sendmsg+0xcd/0x170 [ 2294.507924][ T10] do_syscall_64+0xc6/0x1e0 [ 2294.507924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2294.507924][ T10] [ 2294.509528][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2294.509528][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2294.509528][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2294.509528][ T10] ipv6_find_idev+0x102/0x170 [ 2294.509528][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2294.509528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2294.509528][ T10] netlink_rcv_skb+0x130/0x360 [ 2294.509528][ T10] netlink_unicast+0x449/0x710 [ 2294.509528][ T10] netlink_sendmsg+0x723/0xbe0 [ 2294.509528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2294.509528][ T10] ___sys_sendmsg+0xee/0x170 [ 2294.509528][ T10] __sys_sendmsg+0xcd/0x170 [ 2294.509528][ T10] do_syscall_64+0xc6/0x1e0 [ 2294.509528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2294.509528][ T10] [ 2294.511281][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2294.511558][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2294.511558][ T10] netdev_get_by_index+0x5e/0x80 [ 2294.511558][ T10] fib6_nh_init+0x3d8/0x1580 [ 2294.511558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2294.511558][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2294.511558][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2294.511558][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2294.511558][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2294.511558][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2294.511558][ T10] addrconf_dad_begin+0x310/0x670 [ 2294.511558][ T10] addrconf_dad_work+0x10b/0xab0 [ 2294.511558][ T10] process_one_work+0x84d/0x18a0 [ 2294.511558][ T10] worker_thread+0x587/0xd30 [ 2294.511558][ T10] kthread+0x28a/0x350 [ 2294.511558][ T10] ret_from_fork+0x31/0x70 [ 2294.511558][ T10] ret_from_fork_asm+0x1a/0x30 [ 2294.511558][ T10] [ 2294.513490][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2294.513490][ T10] netdev_get_by_index+0x5e/0x80 [ 2294.513490][ T10] fib6_nh_init+0x3d8/0x1580 [ 2294.513490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2294.513490][ T10] ip6_route_add+0x1c/0x140 [ 2294.513490][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2294.513490][ T10] inet6_addr_add+0x4f8/0xa40 [ 2294.513490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2294.513490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2294.513490][ T10] netlink_rcv_skb+0x130/0x360 [ 2294.513490][ T10] netlink_unicast+0x449/0x710 [ 2294.513490][ T10] netlink_sendmsg+0x723/0xbe0 [ 2294.513490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2294.513490][ T10] ___sys_sendmsg+0xee/0x170 [ 2294.513490][ T10] __sys_sendmsg+0xcd/0x170 [ 2294.513490][ T10] do_syscall_64+0xc6/0x1e0 [ 2294.513490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2294.513490][ T10] [ 2294.516022][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2294.516022][ T10] netdev_get_by_index+0x5e/0x80 [ 2294.516022][ T10] fib6_nh_init+0x3d8/0x1580 [ 2294.516022][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2294.516022][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2294.516022][ T10] ipv6_add_addr+0x411/0x2000 [ 2294.516022][ T10] inet6_addr_add+0x30e/0xa40 [ 2294.516022][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2294.516022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2294.516022][ T10] netlink_rcv_skb+0x130/0x360 [ 2294.516022][ T10] netlink_unicast+0x449/0x710 [ 2294.516022][ T10] netlink_sendmsg+0x723/0xbe0 [ 2294.516022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2294.516022][ T10] ___sys_sendmsg+0xee/0x170 [ 2294.516022][ T10] __sys_sendmsg+0xcd/0x170 [ 2294.516022][ T10] do_syscall_64+0xc6/0x1e0 [ 2294.516022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2294.516022][ T10] [ 2294.518387][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2294.518387][ T10] netdev_get_by_index+0x5e/0x80 [ 2294.518387][ T10] fib6_nh_init+0x3d8/0x1580 [ 2294.518387][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2294.518387][ T10] ip6_route_add+0x1c/0x140 [ 2294.518387][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2294.518387][ T10] addrconf_add_dev+0xe2/0x170 [ 2294.518387][ T10] inet6_addr_add+0x12f/0xa40 [ 2294.518387][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2294.518387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2294.518387][ T10] netlink_rcv_skb+0x130/0x360 [ 2294.518387][ T10] netlink_unicast+0x449/0x710 [ 2294.518387][ T10] netlink_sendmsg+0x723/0xbe0 [ 2294.518387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2294.518387][ T10] ___sys_sendmsg+0xee/0x170 [ 2294.518387][ T10] __sys_sendmsg+0xcd/0x170 [ 2294.518387][ T10] do_syscall_64+0xc6/0x1e0 [ 2294.518387][ T10] [ 2294.520701][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2294.520701][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2294.520701][ T10] ipv6_find_idev+0x102/0x170 [ 2294.520701][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2294.520701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2294.520701][ T10] netlink_rcv_skb+0x130/0x360 [ 2294.520701][ T10] netlink_unicast+0x449/0x710 [ 2294.520701][ T10] netlink_sendmsg+0x723/0xbe0 [ 2294.520701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2294.520701][ T10] ___sys_sendmsg+0xee/0x170 [ 2294.520701][ T10] __sys_sendmsg+0xcd/0x170 [ 2294.520701][ T10] do_syscall_64+0xc6/0x1e0 [ 2294.520701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2294.520701][ T10] [ 2294.522531][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2294.522531][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2294.522531][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2294.522531][ T10] ipv6_find_idev+0x102/0x170 [ 2294.522531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2294.522531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2294.522531][ T10] netlink_rcv_skb+0x130/0x360 [ 2294.522531][ T10] netlink_unicast+0x449/0x710 [ 2294.522531][ T10] netlink_sendmsg+0x723/0xbe0 [ 2294.522531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2294.522531][ T10] ___sys_sendmsg+0xee/0x170 [ 2294.522531][ T10] __sys_sendmsg+0xcd/0x170 [ 2294.522531][ T10] do_syscall_64+0xc6/0x1e0 [ 2294.522531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2294.522531][ T10] [ 2294.524533][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2294.524806][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2294.524806][ T10] netdev_get_by_index+0x5e/0x80 [ 2294.524806][ T10] fib6_nh_init+0x3d8/0x1580 [ 2294.524806][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2294.524806][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2294.524806][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2294.524806][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2294.524806][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2294.524806][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2294.524806][ T10] addrconf_dad_begin+0x310/0x670 [ 2294.524806][ T10] addrconf_dad_work+0x10b/0xab0 [ 2294.524806][ T10] process_one_work+0x84d/0x18a0 [ 2294.524806][ T10] worker_thread+0x587/0xd30 [ 2294.524806][ T10] kthread+0x28a/0x350 [ 2294.524806][ T10] ret_from_fork+0x31/0x70 [ 2294.524806][ T10] ret_from_fork_asm+0x1a/0x30 [ 2294.524806][ T10] [ 2294.527101][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2294.527101][ T10] netdev_get_by_index+0x5e/0x80 [ 2294.527101][ T10] fib6_nh_init+0x3d8/0x1580 [ 2294.527101][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2294.527101][ T10] ip6_route_add+0x1c/0x140 [ 2294.527101][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2294.527101][ T10] inet6_addr_add+0x4f8/0xa40 [ 2294.527101][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2294.527101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2294.527101][ T10] netlink_rcv_skb+0x130/0x360 [ 2294.527101][ T10] netlink_unicast+0x449/0x710 [ 2294.527101][ T10] netlink_sendmsg+0x723/0xbe0 [ 2294.527101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2294.527101][ T10] ___sys_sendmsg+0xee/0x170 [ 2294.527101][ T10] __sys_sendmsg+0xcd/0x170 [ 2294.527101][ T10] do_syscall_64+0xc6/0x1e0 [ 2294.527101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2294.527101][ T10] [ 2294.529501][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2294.529501][ T10] netdev_get_by_index+0x5e/0x80 [ 2294.529501][ T10] fib6_nh_init+0x3d8/0x1580 [ 2294.529501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2294.529501][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2294.529501][ T10] ipv6_add_addr+0x411/0x2000 [ 2294.529501][ T10] inet6_addr_add+0x30e/0xa40 [ 2294.529501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2294.529501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2294.529501][ T10] netlink_rcv_skb+0x130/0x360 [ 2294.529501][ T10] netlink_unicast+0x449/0x710 [ 2294.529501][ T10] netlink_sendmsg+0x723/0xbe0 [ 2294.529501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2294.529501][ T10] ___sys_sendmsg+0xee/0x170 [ 2294.529501][ T10] __sys_sendmsg+0xcd/0x170 [ 2294.529501][ T10] do_syscall_64+0xc6/0x1e0 [ 2294.529501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2294.529501][ T10] [ 2294.531764][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2294.531764][ T10] netdev_get_by_index+0x5e/0x80 [ 2294.531764][ T10] fib6_nh_init+0x3d8/0x1580 [ 2294.531764][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2294.531764][ T10] ip6_route_add+0x1c/0x140 [ 2294.531764][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2294.531764][ T10] addrconf_add_dev+0xe2/0x170 [ 2294.531764][ T10] inet6_addr_add+0x12f/0xa40 [ 2294.531764][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2294.531764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2294.531764][ T10] netlink_rcv_skb+0x130/0x360 [ 2294.531764][ T10] netlink_unicast+0x449/0x710 [ 2294.531764][ T10] netlink_sendmsg+0x723/0xbe0 [ 2294.531764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2294.531764][ T10] ___sys_sendmsg+0xee/0x170 [ 2294.531764][ T10] __sys_sendmsg+0xcd/0x170 [ 2294.531764][ T10] do_syscall_64+0xc6/0x1e0 [ 2294.531764][ T10] [ 2294.534078][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2294.534078][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2294.534078][ T10] ipv6_find_idev+0x102/0x170 [ 2294.534078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2294.534078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2294.534078][ T10] netlink_rcv_skb+0x130/0x360 [ 2294.534078][ T10] netlink_unicast+0x449/0x710 [ 2294.534078][ T10] netlink_sendmsg+0x723/0xbe0 [ 2294.534078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2294.534078][ T10] ___sys_sendmsg+0xee/0x170 [ 2294.534078][ T10] __sys_sendmsg+0xcd/0x170 [ 2294.534078][ T10] do_syscall_64+0xc6/0x1e0 [ 2294.534078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2294.534078][ T10] [ 2294.535915][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2294.535915][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2294.535915][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2294.535915][ T10] ipv6_find_idev+0x102/0x170 [ 2294.535915][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2294.535915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2294.535915][ T10] netlink_rcv_skb+0x130/0x360 [ 2294.535915][ T10] netlink_unicast+0x449/0x710 [ 2294.535915][ T10] netlink_sendmsg+0x723/0xbe0 [ 2294.535915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2294.535915][ T10] ___sys_sendmsg+0xee/0x170 [ 2294.535915][ T10] __sys_sendmsg+0xcd/0x170 [ 2294.535915][ T10] do_syscall_64+0xc6/0x1e0 [ 2294.535915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2294.535915][ T10] [ 2299.105106][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2299.105553][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2299.105553][ T1167] dst_init+0x84/0x4a0 [ 2299.105553][ T1167] dst_alloc+0x97/0x150 [ 2299.105553][ T1167] ip6_dst_alloc+0x23/0x90 [ 2299.105553][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2299.105553][ T1167] ip6_pol_route+0x56f/0x840 [ 2299.105553][ T1167] fib6_rule_lookup+0x334/0x630 [ 2299.105553][ T1167] ip6_route_output_flags+0x259/0x480 [ 2299.105553][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2299.105553][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2299.105553][ T1167] netlink_rcv_skb+0x130/0x360 [ 2299.105553][ T1167] netlink_unicast+0x449/0x710 [ 2299.105553][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2299.105553][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2299.105553][ T1167] ___sys_sendmsg+0xee/0x170 [ 2299.105553][ T1167] __sys_sendmsg+0xcd/0x170 [ 2299.105553][ T1167] do_syscall_64+0xc6/0x1e0 [ 2299.105553][ T1167] [ 2299.107808][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2299.107808][ T1167] netdev_get_by_index+0x5e/0x80 [ 2299.107808][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2299.107808][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2299.107808][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2299.107808][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2299.107808][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2299.107808][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2299.107808][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2299.107808][ T1167] addrconf_dad_begin+0x310/0x670 [ 2299.107808][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2299.107808][ T1167] process_one_work+0x84d/0x18a0 [ 2299.107808][ T1167] worker_thread+0x587/0xd30 [ 2299.107808][ T1167] kthread+0x28a/0x350 [ 2299.107808][ T1167] ret_from_fork+0x31/0x70 [ 2299.107808][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2299.107808][ T1167] [ 2299.109997][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2299.109997][ T1167] netdev_get_by_index+0x5e/0x80 [ 2299.109997][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2299.109997][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2299.109997][ T1167] ip6_route_add+0x1c/0x140 [ 2299.109997][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2299.109997][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2299.109997][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2299.109997][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.109997][ T1167] netlink_rcv_skb+0x130/0x360 [ 2299.109997][ T1167] netlink_unicast+0x449/0x710 [ 2299.109997][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2299.109997][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2299.109997][ T1167] ___sys_sendmsg+0xee/0x170 [ 2299.109997][ T1167] __sys_sendmsg+0xcd/0x170 [ 2299.109997][ T1167] do_syscall_64+0xc6/0x1e0 [ 2299.109997][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2299.109997][ T1167] [ 2299.112259][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2299.112259][ T1167] netdev_get_by_index+0x5e/0x80 [ 2299.112259][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2299.112259][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2299.112259][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2299.112259][ T1167] ipv6_add_addr+0x411/0x2000 [ 2299.112259][ T1167] inet6_addr_add+0x30e/0xa40 [ 2299.112259][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2299.112259][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.112259][ T1167] netlink_rcv_skb+0x130/0x360 [ 2299.112259][ T1167] netlink_unicast+0x449/0x710 [ 2299.112259][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2299.112259][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2299.112259][ T1167] ___sys_sendmsg+0xee/0x170 [ 2299.112259][ T1167] __sys_sendmsg+0xcd/0x170 [ 2299.112259][ T1167] do_syscall_64+0xc6/0x1e0 [ 2299.112259][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2299.112259][ T1167] [ 2299.114515][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2299.114515][ T1167] netdev_get_by_index+0x5e/0x80 [ 2299.114515][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2299.114515][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2299.114515][ T1167] ip6_route_add+0x1c/0x140 [ 2299.114515][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2299.114515][ T1167] addrconf_add_dev+0xe2/0x170 [ 2299.114515][ T1167] inet6_addr_add+0x12f/0xa40 [ 2299.114515][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2299.114515][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.114515][ T1167] netlink_rcv_skb+0x130/0x360 [ 2299.114515][ T1167] netlink_unicast+0x449/0x710 [ 2299.114515][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2299.114515][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2299.114515][ T1167] ___sys_sendmsg+0xee/0x170 [ 2299.114515][ T1167] __sys_sendmsg+0xcd/0x170 [ 2299.114515][ T1167] do_syscall_64+0xc6/0x1e0 [ 2299.114515][ T1167] [ 2299.116726][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2299.116726][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2299.116726][ T1167] ipv6_find_idev+0x102/0x170 [ 2299.116726][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2299.116726][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.116726][ T1167] netlink_rcv_skb+0x130/0x360 [ 2299.116726][ T1167] netlink_unicast+0x449/0x710 [ 2299.116726][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2299.116726][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2299.116726][ T1167] ___sys_sendmsg+0xee/0x170 [ 2299.116726][ T1167] __sys_sendmsg+0xcd/0x170 [ 2299.116726][ T1167] do_syscall_64+0xc6/0x1e0 [ 2299.116726][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2299.116726][ T1167] [ 2299.118479][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2299.118479][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2299.118479][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2299.118479][ T1167] ipv6_find_idev+0x102/0x170 [ 2299.118479][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2299.118479][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.118479][ T1167] netlink_rcv_skb+0x130/0x360 [ 2299.118479][ T1167] netlink_unicast+0x449/0x710 [ 2299.118479][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2299.118479][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2299.118479][ T1167] ___sys_sendmsg+0xee/0x170 [ 2299.118479][ T1167] __sys_sendmsg+0xcd/0x170 [ 2299.118479][ T1167] do_syscall_64+0xc6/0x1e0 [ 2299.118479][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2299.118479][ T1167] [ 2304.737069][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2304.737495][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2304.737495][ T10] netdev_get_by_index+0x5e/0x80 [ 2304.737495][ T10] fib6_nh_init+0x3d8/0x1580 [ 2304.737495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2304.737495][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2304.737495][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2304.737495][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2304.737495][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2304.737495][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2304.737495][ T10] addrconf_dad_begin+0x310/0x670 [ 2304.737495][ T10] addrconf_dad_work+0x10b/0xab0 [ 2304.737495][ T10] process_one_work+0x84d/0x18a0 [ 2304.737495][ T10] worker_thread+0x587/0xd30 [ 2304.737495][ T10] kthread+0x28a/0x350 [ 2304.737495][ T10] ret_from_fork+0x31/0x70 [ 2304.737495][ T10] ret_from_fork_asm+0x1a/0x30 [ 2304.737495][ T10] [ 2304.739404][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2304.739404][ T10] netdev_get_by_index+0x5e/0x80 [ 2304.739404][ T10] fib6_nh_init+0x3d8/0x1580 [ 2304.739404][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2304.739404][ T10] ip6_route_add+0x1c/0x140 [ 2304.739404][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2304.739404][ T10] inet6_addr_add+0x4f8/0xa40 [ 2304.739404][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2304.739404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2304.739404][ T10] netlink_rcv_skb+0x130/0x360 [ 2304.739404][ T10] netlink_unicast+0x449/0x710 [ 2304.739404][ T10] netlink_sendmsg+0x723/0xbe0 [ 2304.739404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2304.739404][ T10] ___sys_sendmsg+0xee/0x170 [ 2304.739404][ T10] __sys_sendmsg+0xcd/0x170 [ 2304.739404][ T10] do_syscall_64+0xc6/0x1e0 [ 2304.739404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2304.739404][ T10] [ 2304.741380][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2304.741380][ T10] netdev_get_by_index+0x5e/0x80 [ 2304.741380][ T10] fib6_nh_init+0x3d8/0x1580 [ 2304.741380][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2304.741380][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2304.741380][ T10] ipv6_add_addr+0x411/0x2000 [ 2304.741380][ T10] inet6_addr_add+0x30e/0xa40 [ 2304.741380][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2304.741380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2304.741380][ T10] netlink_rcv_skb+0x130/0x360 [ 2304.741380][ T10] netlink_unicast+0x449/0x710 [ 2304.741380][ T10] netlink_sendmsg+0x723/0xbe0 [ 2304.741380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2304.741380][ T10] ___sys_sendmsg+0xee/0x170 [ 2304.741380][ T10] __sys_sendmsg+0xcd/0x170 [ 2304.741380][ T10] do_syscall_64+0xc6/0x1e0 [ 2304.741380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2304.741380][ T10] [ 2304.743352][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2304.743352][ T10] netdev_get_by_index+0x5e/0x80 [ 2304.743352][ T10] fib6_nh_init+0x3d8/0x1580 [ 2304.743352][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2304.743352][ T10] ip6_route_add+0x1c/0x140 [ 2304.743352][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2304.743352][ T10] addrconf_add_dev+0xe2/0x170 [ 2304.743352][ T10] inet6_addr_add+0x12f/0xa40 [ 2304.743352][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2304.743352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2304.743352][ T10] netlink_rcv_skb+0x130/0x360 [ 2304.743352][ T10] netlink_unicast+0x449/0x710 [ 2304.743352][ T10] netlink_sendmsg+0x723/0xbe0 [ 2304.743352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2304.743352][ T10] ___sys_sendmsg+0xee/0x170 [ 2304.743352][ T10] __sys_sendmsg+0xcd/0x170 [ 2304.743352][ T10] do_syscall_64+0xc6/0x1e0 [ 2304.743352][ T10] [ 2304.745300][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2304.745300][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2304.745300][ T10] ipv6_find_idev+0x102/0x170 [ 2304.745300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2304.745300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2304.745300][ T10] netlink_rcv_skb+0x130/0x360 [ 2304.745300][ T10] netlink_unicast+0x449/0x710 [ 2304.745300][ T10] netlink_sendmsg+0x723/0xbe0 [ 2304.745300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2304.745300][ T10] ___sys_sendmsg+0xee/0x170 [ 2304.745300][ T10] __sys_sendmsg+0xcd/0x170 [ 2304.745300][ T10] do_syscall_64+0xc6/0x1e0 [ 2304.745300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2304.745300][ T10] [ 2304.746824][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2304.746824][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2304.746824][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2304.746824][ T10] ipv6_find_idev+0x102/0x170 [ 2304.746824][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2304.746824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2304.746824][ T10] netlink_rcv_skb+0x130/0x360 [ 2304.746824][ T10] netlink_unicast+0x449/0x710 [ 2304.746824][ T10] netlink_sendmsg+0x723/0xbe0 [ 2304.746824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2304.746824][ T10] ___sys_sendmsg+0xee/0x170 [ 2304.746824][ T10] __sys_sendmsg+0xcd/0x170 [ 2304.746824][ T10] do_syscall_64+0xc6/0x1e0 [ 2304.746824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2304.746824][ T10] [ 2304.748505][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2304.748746][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2304.748746][ T10] netdev_get_by_index+0x5e/0x80 [ 2304.748746][ T10] fib6_nh_init+0x3d8/0x1580 [ 2304.748746][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2304.748746][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2304.748746][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2304.748746][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2304.748746][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2304.748746][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2304.748746][ T10] addrconf_dad_begin+0x310/0x670 [ 2304.748746][ T10] addrconf_dad_work+0x10b/0xab0 [ 2304.748746][ T10] process_one_work+0x84d/0x18a0 [ 2304.748746][ T10] worker_thread+0x587/0xd30 [ 2304.748746][ T10] kthread+0x28a/0x350 [ 2304.748746][ T10] ret_from_fork+0x31/0x70 [ 2304.748746][ T10] ret_from_fork_asm+0x1a/0x30 [ 2304.748746][ T10] [ 2304.750641][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2304.750641][ T10] netdev_get_by_index+0x5e/0x80 [ 2304.750641][ T10] fib6_nh_init+0x3d8/0x1580 [ 2304.750641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2304.750641][ T10] ip6_route_add+0x1c/0x140 [ 2304.750641][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2304.750641][ T10] inet6_addr_add+0x4f8/0xa40 [ 2304.750641][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2304.750641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2304.750641][ T10] netlink_rcv_skb+0x130/0x360 [ 2304.750641][ T10] netlink_unicast+0x449/0x710 [ 2304.750641][ T10] netlink_sendmsg+0x723/0xbe0 [ 2304.750641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2304.750641][ T10] ___sys_sendmsg+0xee/0x170 [ 2304.750641][ T10] __sys_sendmsg+0xcd/0x170 [ 2304.750641][ T10] do_syscall_64+0xc6/0x1e0 [ 2304.750641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2304.750641][ T10] [ 2304.752620][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2304.752620][ T10] netdev_get_by_index+0x5e/0x80 [ 2304.752620][ T10] fib6_nh_init+0x3d8/0x1580 [ 2304.752620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2304.752620][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2304.752620][ T10] ipv6_add_addr+0x411/0x2000 [ 2304.752620][ T10] inet6_addr_add+0x30e/0xa40 [ 2304.752620][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2304.752620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2304.752620][ T10] netlink_rcv_skb+0x130/0x360 [ 2304.752620][ T10] netlink_unicast+0x449/0x710 [ 2304.752620][ T10] netlink_sendmsg+0x723/0xbe0 [ 2304.752620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2304.752620][ T10] ___sys_sendmsg+0xee/0x170 [ 2304.752620][ T10] __sys_sendmsg+0xcd/0x170 [ 2304.752620][ T10] do_syscall_64+0xc6/0x1e0 [ 2304.752620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2304.752620][ T10] [ 2304.754606][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2304.754606][ T10] netdev_get_by_index+0x5e/0x80 [ 2304.754606][ T10] fib6_nh_init+0x3d8/0x1580 [ 2304.754606][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2304.754606][ T10] ip6_route_add+0x1c/0x140 [ 2304.754606][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2304.754606][ T10] addrconf_add_dev+0xe2/0x170 [ 2304.754606][ T10] inet6_addr_add+0x12f/0xa40 [ 2304.754606][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2304.754606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2304.754606][ T10] netlink_rcv_skb+0x130/0x360 [ 2304.754606][ T10] netlink_unicast+0x449/0x710 [ 2304.754606][ T10] netlink_sendmsg+0x723/0xbe0 [ 2304.754606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2304.754606][ T10] ___sys_sendmsg+0xee/0x170 [ 2304.754606][ T10] __sys_sendmsg+0xcd/0x170 [ 2304.754606][ T10] do_syscall_64+0xc6/0x1e0 [ 2304.754606][ T10] [ 2304.756562][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2304.756562][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2304.756562][ T10] ipv6_find_idev+0x102/0x170 [ 2304.756562][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2304.756562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2304.756562][ T10] netlink_rcv_skb+0x130/0x360 [ 2304.756562][ T10] netlink_unicast+0x449/0x710 [ 2304.756562][ T10] netlink_sendmsg+0x723/0xbe0 [ 2304.756562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2304.756562][ T10] ___sys_sendmsg+0xee/0x170 [ 2304.756562][ T10] __sys_sendmsg+0xcd/0x170 [ 2304.756562][ T10] do_syscall_64+0xc6/0x1e0 [ 2304.756562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2304.756562][ T10] [ 2304.758099][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2304.758099][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2304.758099][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2304.758099][ T10] ipv6_find_idev+0x102/0x170 [ 2304.758099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2304.758099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2304.758099][ T10] netlink_rcv_skb+0x130/0x360 [ 2304.758099][ T10] netlink_unicast+0x449/0x710 [ 2304.758099][ T10] netlink_sendmsg+0x723/0xbe0 [ 2304.758099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2304.758099][ T10] ___sys_sendmsg+0xee/0x170 [ 2304.758099][ T10] __sys_sendmsg+0xcd/0x170 [ 2304.758099][ T10] do_syscall_64+0xc6/0x1e0 [ 2304.758099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2304.758099][ T10] [ 2304.759756][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2304.759993][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2304.759993][ T10] netdev_get_by_index+0x5e/0x80 [ 2304.759993][ T10] fib6_nh_init+0x3d8/0x1580 [ 2304.759993][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2304.759993][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2304.759993][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2304.759993][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2304.759993][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2304.759993][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2304.759993][ T10] addrconf_dad_begin+0x310/0x670 [ 2304.759993][ T10] addrconf_dad_work+0x10b/0xab0 [ 2304.759993][ T10] process_one_work+0x84d/0x18a0 [ 2304.759993][ T10] worker_thread+0x587/0xd30 [ 2304.759993][ T10] kthread+0x28a/0x350 [ 2304.759993][ T10] ret_from_fork+0x31/0x70 [ 2304.759993][ T10] ret_from_fork_asm+0x1a/0x30 [ 2304.759993][ T10] [ 2304.761879][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2304.761879][ T10] netdev_get_by_index+0x5e/0x80 [ 2304.761879][ T10] fib6_nh_init+0x3d8/0x1580 [ 2304.761879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2304.761879][ T10] ip6_route_add+0x1c/0x140 [ 2304.761879][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2304.761879][ T10] inet6_addr_add+0x4f8/0xa40 [ 2304.761879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2304.761879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2304.761879][ T10] netlink_rcv_skb+0x130/0x360 [ 2304.761879][ T10] netlink_unicast+0x449/0x710 [ 2304.761879][ T10] netlink_sendmsg+0x723/0xbe0 [ 2304.761879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2304.761879][ T10] ___sys_sendmsg+0xee/0x170 [ 2304.761879][ T10] __sys_sendmsg+0xcd/0x170 [ 2304.761879][ T10] do_syscall_64+0xc6/0x1e0 [ 2304.761879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2304.761879][ T10] [ 2304.763979][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2304.763979][ T10] netdev_get_by_index+0x5e/0x80 [ 2304.763979][ T10] fib6_nh_init+0x3d8/0x1580 [ 2304.763979][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2304.763979][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2304.763979][ T10] ipv6_add_addr+0x411/0x2000 [ 2304.763979][ T10] inet6_addr_add+0x30e/0xa40 [ 2304.763979][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2304.763979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2304.763979][ T10] netlink_rcv_skb+0x130/0x360 [ 2304.763979][ T10] netlink_unicast+0x449/0x710 [ 2304.763979][ T10] netlink_sendmsg+0x723/0xbe0 [ 2304.763979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2304.763979][ T10] ___sys_sendmsg+0xee/0x170 [ 2304.763979][ T10] __sys_sendmsg+0xcd/0x170 [ 2304.763979][ T10] do_syscall_64+0xc6/0x1e0 [ 2304.763979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2304.763979][ T10] [ 2304.766078][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2304.766078][ T10] netdev_get_by_index+0x5e/0x80 [ 2304.766078][ T10] fib6_nh_init+0x3d8/0x1580 [ 2304.766078][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2304.766078][ T10] ip6_route_add+0x1c/0x140 [ 2304.766078][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2304.766078][ T10] addrconf_add_dev+0xe2/0x170 [ 2304.766078][ T10] inet6_addr_add+0x12f/0xa40 [ 2304.766078][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2304.766078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2304.766078][ T10] netlink_rcv_skb+0x130/0x360 [ 2304.766078][ T10] netlink_unicast+0x449/0x710 [ 2304.766078][ T10] netlink_sendmsg+0x723/0xbe0 [ 2304.766078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2304.766078][ T10] ___sys_sendmsg+0xee/0x170 [ 2304.766078][ T10] __sys_sendmsg+0xcd/0x170 [ 2304.766078][ T10] do_syscall_64+0xc6/0x1e0 [ 2304.766078][ T10] [ 2304.768151][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2304.768151][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2304.768151][ T10] ipv6_find_idev+0x102/0x170 [ 2304.768151][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2304.768151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2304.768151][ T10] netlink_rcv_skb+0x130/0x360 [ 2304.768151][ T10] netlink_unicast+0x449/0x710 [ 2304.768151][ T10] netlink_sendmsg+0x723/0xbe0 [ 2304.768151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2304.768151][ T10] ___sys_sendmsg+0xee/0x170 [ 2304.768151][ T10] __sys_sendmsg+0xcd/0x170 [ 2304.768151][ T10] do_syscall_64+0xc6/0x1e0 [ 2304.768151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2304.768151][ T10] [ 2304.769733][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2304.769733][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2304.769733][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2304.769733][ T10] ipv6_find_idev+0x102/0x170 [ 2304.769733][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2304.769733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2304.769733][ T10] netlink_rcv_skb+0x130/0x360 [ 2304.769733][ T10] netlink_unicast+0x449/0x710 [ 2304.769733][ T10] netlink_sendmsg+0x723/0xbe0 [ 2304.769733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2304.769733][ T10] ___sys_sendmsg+0xee/0x170 [ 2304.769733][ T10] __sys_sendmsg+0xcd/0x170 [ 2304.769733][ T10] do_syscall_64+0xc6/0x1e0 [ 2304.769733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2304.769733][ T10] [ 2304.771513][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2304.771746][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2304.771746][ T10] netdev_get_by_index+0x5e/0x80 [ 2304.771746][ T10] fib6_nh_init+0x3d8/0x1580 [ 2304.771746][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2304.771746][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2304.771746][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2304.771746][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2304.771746][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2304.771746][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2304.771746][ T10] addrconf_dad_begin+0x310/0x670 [ 2304.771746][ T10] addrconf_dad_work+0x10b/0xab0 [ 2304.771746][ T10] process_one_work+0x84d/0x18a0 [ 2304.771746][ T10] worker_thread+0x587/0xd30 [ 2304.771746][ T10] kthread+0x28a/0x350 [ 2304.771746][ T10] ret_from_fork+0x31/0x70 [ 2304.771746][ T10] ret_from_fork_asm+0x1a/0x30 [ 2304.771746][ T10] [ 2304.773768][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2304.773768][ T10] netdev_get_by_index+0x5e/0x80 [ 2304.773768][ T10] fib6_nh_init+0x3d8/0x1580 [ 2304.773768][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2304.773768][ T10] ip6_route_add+0x1c/0x140 [ 2304.773768][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2304.773768][ T10] inet6_addr_add+0x4f8/0xa40 [ 2304.773768][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2304.773768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2304.773768][ T10] netlink_rcv_skb+0x130/0x360 [ 2304.773768][ T10] netlink_unicast+0x449/0x710 [ 2304.773768][ T10] netlink_sendmsg+0x723/0xbe0 [ 2304.773768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2304.773768][ T10] ___sys_sendmsg+0xee/0x170 [ 2304.773768][ T10] __sys_sendmsg+0xcd/0x170 [ 2304.773768][ T10] do_syscall_64+0xc6/0x1e0 [ 2304.773768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2304.773768][ T10] [ 2304.775871][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2304.775871][ T10] netdev_get_by_index+0x5e/0x80 [ 2304.775871][ T10] fib6_nh_init+0x3d8/0x1580 [ 2304.775871][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2304.775871][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2304.775871][ T10] ipv6_add_addr+0x411/0x2000 [ 2304.775871][ T10] inet6_addr_add+0x30e/0xa40 [ 2304.775871][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2304.775871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2304.775871][ T10] netlink_rcv_skb+0x130/0x360 [ 2304.775871][ T10] netlink_unicast+0x449/0x710 [ 2304.775871][ T10] netlink_sendmsg+0x723/0xbe0 [ 2304.775871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2304.775871][ T10] ___sys_sendmsg+0xee/0x170 [ 2304.775871][ T10] __sys_sendmsg+0xcd/0x170 [ 2304.775871][ T10] do_syscall_64+0xc6/0x1e0 [ 2304.775871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2304.775871][ T10] [ 2304.777913][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2304.777913][ T10] netdev_get_by_index+0x5e/0x80 [ 2304.777913][ T10] fib6_nh_init+0x3d8/0x1580 [ 2304.777913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2304.777913][ T10] ip6_route_add+0x1c/0x140 [ 2304.777913][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2304.777913][ T10] addrconf_add_dev+0xe2/0x170 [ 2304.777913][ T10] inet6_addr_add+0x12f/0xa40 [ 2304.777913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2304.777913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2304.777913][ T10] netlink_rcv_skb+0x130/0x360 [ 2304.777913][ T10] netlink_unicast+0x449/0x710 [ 2304.777913][ T10] netlink_sendmsg+0x723/0xbe0 [ 2304.777913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2304.777913][ T10] ___sys_sendmsg+0xee/0x170 [ 2304.777913][ T10] __sys_sendmsg+0xcd/0x170 [ 2304.777913][ T10] do_syscall_64+0xc6/0x1e0 [ 2304.777913][ T10] [ 2304.779977][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2304.779977][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2304.779977][ T10] ipv6_find_idev+0x102/0x170 [ 2304.779977][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2304.779977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2304.779977][ T10] netlink_rcv_skb+0x130/0x360 [ 2304.779977][ T10] netlink_unicast+0x449/0x710 [ 2304.779977][ T10] netlink_sendmsg+0x723/0xbe0 [ 2304.779977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2304.779977][ T10] ___sys_sendmsg+0xee/0x170 [ 2304.779977][ T10] __sys_sendmsg+0xcd/0x170 [ 2304.779977][ T10] do_syscall_64+0xc6/0x1e0 [ 2304.779977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2304.779977][ T10] [ 2304.781637][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2304.781637][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2304.781637][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2304.781637][ T10] ipv6_find_idev+0x102/0x170 [ 2304.781637][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2304.781637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2304.781637][ T10] netlink_rcv_skb+0x130/0x360 [ 2304.781637][ T10] netlink_unicast+0x449/0x710 [ 2304.781637][ T10] netlink_sendmsg+0x723/0xbe0 [ 2304.781637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2304.781637][ T10] ___sys_sendmsg+0xee/0x170 [ 2304.781637][ T10] __sys_sendmsg+0xcd/0x170 [ 2304.781637][ T10] do_syscall_64+0xc6/0x1e0 [ 2304.781637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2304.781637][ T10] [ 2309.361128][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2309.361570][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2309.361570][ T1167] dst_init+0x84/0x4a0 [ 2309.361570][ T1167] dst_alloc+0x97/0x150 [ 2309.361570][ T1167] ip6_dst_alloc+0x23/0x90 [ 2309.361570][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2309.361570][ T1167] ip6_pol_route+0x56f/0x840 [ 2309.361570][ T1167] fib6_rule_lookup+0x334/0x630 [ 2309.361570][ T1167] ip6_route_output_flags+0x259/0x480 [ 2309.361570][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2309.361570][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2309.361570][ T1167] netlink_rcv_skb+0x130/0x360 [ 2309.361570][ T1167] netlink_unicast+0x449/0x710 [ 2309.361570][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2309.361570][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2309.361570][ T1167] ___sys_sendmsg+0xee/0x170 [ 2309.361570][ T1167] __sys_sendmsg+0xcd/0x170 [ 2309.361570][ T1167] do_syscall_64+0xc6/0x1e0 [ 2309.361570][ T1167] [ 2309.363793][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2309.363793][ T1167] netdev_get_by_index+0x5e/0x80 [ 2309.363793][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2309.363793][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2309.363793][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2309.363793][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2309.363793][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2309.363793][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2309.363793][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2309.363793][ T1167] addrconf_dad_begin+0x310/0x670 [ 2309.363793][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2309.363793][ T1167] process_one_work+0x84d/0x18a0 [ 2309.363793][ T1167] worker_thread+0x587/0xd30 [ 2309.363793][ T1167] kthread+0x28a/0x350 [ 2309.363793][ T1167] ret_from_fork+0x31/0x70 [ 2309.363793][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2309.363793][ T1167] [ 2309.365999][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2309.365999][ T1167] netdev_get_by_index+0x5e/0x80 [ 2309.365999][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2309.365999][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2309.365999][ T1167] ip6_route_add+0x1c/0x140 [ 2309.365999][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2309.365999][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2309.365999][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.365999][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.365999][ T1167] netlink_rcv_skb+0x130/0x360 [ 2309.365999][ T1167] netlink_unicast+0x449/0x710 [ 2309.365999][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2309.365999][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2309.365999][ T1167] ___sys_sendmsg+0xee/0x170 [ 2309.365999][ T1167] __sys_sendmsg+0xcd/0x170 [ 2309.365999][ T1167] do_syscall_64+0xc6/0x1e0 [ 2309.365999][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.365999][ T1167] [ 2309.368301][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2309.368301][ T1167] netdev_get_by_index+0x5e/0x80 [ 2309.368301][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2309.368301][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2309.368301][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2309.368301][ T1167] ipv6_add_addr+0x411/0x2000 [ 2309.368301][ T1167] inet6_addr_add+0x30e/0xa40 [ 2309.368301][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.368301][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.368301][ T1167] netlink_rcv_skb+0x130/0x360 [ 2309.368301][ T1167] netlink_unicast+0x449/0x710 [ 2309.368301][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2309.368301][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2309.368301][ T1167] ___sys_sendmsg+0xee/0x170 [ 2309.368301][ T1167] __sys_sendmsg+0xcd/0x170 [ 2309.368301][ T1167] do_syscall_64+0xc6/0x1e0 [ 2309.368301][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.368301][ T1167] [ 2309.370568][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2309.370568][ T1167] netdev_get_by_index+0x5e/0x80 [ 2309.370568][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2309.370568][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2309.370568][ T1167] ip6_route_add+0x1c/0x140 [ 2309.370568][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2309.370568][ T1167] addrconf_add_dev+0xe2/0x170 [ 2309.370568][ T1167] inet6_addr_add+0x12f/0xa40 [ 2309.370568][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.370568][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.370568][ T1167] netlink_rcv_skb+0x130/0x360 [ 2309.370568][ T1167] netlink_unicast+0x449/0x710 [ 2309.370568][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2309.370568][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2309.370568][ T1167] ___sys_sendmsg+0xee/0x170 [ 2309.370568][ T1167] __sys_sendmsg+0xcd/0x170 [ 2309.370568][ T1167] do_syscall_64+0xc6/0x1e0 [ 2309.370568][ T1167] [ 2309.372778][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2309.372778][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2309.372778][ T1167] ipv6_find_idev+0x102/0x170 [ 2309.372778][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2309.372778][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.372778][ T1167] netlink_rcv_skb+0x130/0x360 [ 2309.372778][ T1167] netlink_unicast+0x449/0x710 [ 2309.372778][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2309.372778][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2309.372778][ T1167] ___sys_sendmsg+0xee/0x170 [ 2309.372778][ T1167] __sys_sendmsg+0xcd/0x170 [ 2309.372778][ T1167] do_syscall_64+0xc6/0x1e0 [ 2309.372778][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.372778][ T1167] [ 2309.374512][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2309.374512][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2309.374512][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2309.374512][ T1167] ipv6_find_idev+0x102/0x170 [ 2309.374512][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2309.374512][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.374512][ T1167] netlink_rcv_skb+0x130/0x360 [ 2309.374512][ T1167] netlink_unicast+0x449/0x710 [ 2309.374512][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2309.374512][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2309.374512][ T1167] ___sys_sendmsg+0xee/0x170 [ 2309.374512][ T1167] __sys_sendmsg+0xcd/0x170 [ 2309.374512][ T1167] do_syscall_64+0xc6/0x1e0 [ 2309.374512][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.374512][ T1167] [ 2315.025034][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2315.025456][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2315.025456][ T10] netdev_get_by_index+0x5e/0x80 [ 2315.025456][ T10] fib6_nh_init+0x3d8/0x1580 [ 2315.025456][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2315.025456][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2315.025456][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2315.025456][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2315.025456][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2315.025456][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2315.025456][ T10] addrconf_dad_begin+0x310/0x670 [ 2315.025456][ T10] addrconf_dad_work+0x10b/0xab0 [ 2315.025456][ T10] process_one_work+0x84d/0x18a0 [ 2315.025456][ T10] worker_thread+0x587/0xd30 [ 2315.025456][ T10] kthread+0x28a/0x350 [ 2315.025456][ T10] ret_from_fork+0x31/0x70 [ 2315.025456][ T10] ret_from_fork_asm+0x1a/0x30 [ 2315.025456][ T10] [ 2315.027374][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2315.027374][ T10] netdev_get_by_index+0x5e/0x80 [ 2315.027374][ T10] fib6_nh_init+0x3d8/0x1580 [ 2315.027374][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2315.027374][ T10] ip6_route_add+0x1c/0x140 [ 2315.027374][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2315.027374][ T10] inet6_addr_add+0x4f8/0xa40 [ 2315.027374][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2315.027374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2315.027374][ T10] netlink_rcv_skb+0x130/0x360 [ 2315.027374][ T10] netlink_unicast+0x449/0x710 [ 2315.027374][ T10] netlink_sendmsg+0x723/0xbe0 [ 2315.027374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2315.027374][ T10] ___sys_sendmsg+0xee/0x170 [ 2315.027374][ T10] __sys_sendmsg+0xcd/0x170 [ 2315.027374][ T10] do_syscall_64+0xc6/0x1e0 [ 2315.027374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2315.027374][ T10] [ 2315.029361][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2315.029361][ T10] netdev_get_by_index+0x5e/0x80 [ 2315.029361][ T10] fib6_nh_init+0x3d8/0x1580 [ 2315.029361][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2315.029361][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2315.029361][ T10] ipv6_add_addr+0x411/0x2000 [ 2315.029361][ T10] inet6_addr_add+0x30e/0xa40 [ 2315.029361][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2315.029361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2315.029361][ T10] netlink_rcv_skb+0x130/0x360 [ 2315.029361][ T10] netlink_unicast+0x449/0x710 [ 2315.029361][ T10] netlink_sendmsg+0x723/0xbe0 [ 2315.029361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2315.029361][ T10] ___sys_sendmsg+0xee/0x170 [ 2315.029361][ T10] __sys_sendmsg+0xcd/0x170 [ 2315.029361][ T10] do_syscall_64+0xc6/0x1e0 [ 2315.029361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2315.029361][ T10] [ 2315.031340][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2315.031340][ T10] netdev_get_by_index+0x5e/0x80 [ 2315.031340][ T10] fib6_nh_init+0x3d8/0x1580 [ 2315.031340][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2315.031340][ T10] ip6_route_add+0x1c/0x140 [ 2315.031340][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2315.031340][ T10] addrconf_add_dev+0xe2/0x170 [ 2315.031340][ T10] inet6_addr_add+0x12f/0xa40 [ 2315.031340][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2315.031340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2315.031340][ T10] netlink_rcv_skb+0x130/0x360 [ 2315.031340][ T10] netlink_unicast+0x449/0x710 [ 2315.031340][ T10] netlink_sendmsg+0x723/0xbe0 [ 2315.031340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2315.031340][ T10] ___sys_sendmsg+0xee/0x170 [ 2315.031340][ T10] __sys_sendmsg+0xcd/0x170 [ 2315.031340][ T10] do_syscall_64+0xc6/0x1e0 [ 2315.031340][ T10] [ 2315.033285][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2315.033285][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2315.033285][ T10] ipv6_find_idev+0x102/0x170 [ 2315.033285][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2315.033285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2315.033285][ T10] netlink_rcv_skb+0x130/0x360 [ 2315.033285][ T10] netlink_unicast+0x449/0x710 [ 2315.033285][ T10] netlink_sendmsg+0x723/0xbe0 [ 2315.033285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2315.033285][ T10] ___sys_sendmsg+0xee/0x170 [ 2315.033285][ T10] __sys_sendmsg+0xcd/0x170 [ 2315.033285][ T10] do_syscall_64+0xc6/0x1e0 [ 2315.033285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2315.033285][ T10] [ 2315.034813][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2315.034813][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2315.034813][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2315.034813][ T10] ipv6_find_idev+0x102/0x170 [ 2315.034813][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2315.034813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2315.034813][ T10] netlink_rcv_skb+0x130/0x360 [ 2315.034813][ T10] netlink_unicast+0x449/0x710 [ 2315.034813][ T10] netlink_sendmsg+0x723/0xbe0 [ 2315.034813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2315.034813][ T10] ___sys_sendmsg+0xee/0x170 [ 2315.034813][ T10] __sys_sendmsg+0xcd/0x170 [ 2315.034813][ T10] do_syscall_64+0xc6/0x1e0 [ 2315.034813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2315.034813][ T10] [ 2315.036496][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2315.036736][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2315.036736][ T10] netdev_get_by_index+0x5e/0x80 [ 2315.036736][ T10] fib6_nh_init+0x3d8/0x1580 [ 2315.036736][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2315.036736][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2315.036736][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2315.036736][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2315.036736][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2315.036736][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2315.036736][ T10] addrconf_dad_begin+0x310/0x670 [ 2315.036736][ T10] addrconf_dad_work+0x10b/0xab0 [ 2315.036736][ T10] process_one_work+0x84d/0x18a0 [ 2315.036736][ T10] worker_thread+0x587/0xd30 [ 2315.036736][ T10] kthread+0x28a/0x350 [ 2315.036736][ T10] ret_from_fork+0x31/0x70 [ 2315.036736][ T10] ret_from_fork_asm+0x1a/0x30 [ 2315.036736][ T10] [ 2315.038646][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2315.038646][ T10] netdev_get_by_index+0x5e/0x80 [ 2315.038646][ T10] fib6_nh_init+0x3d8/0x1580 [ 2315.038646][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2315.038646][ T10] ip6_route_add+0x1c/0x140 [ 2315.038646][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2315.038646][ T10] inet6_addr_add+0x4f8/0xa40 [ 2315.038646][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2315.038646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2315.038646][ T10] netlink_rcv_skb+0x130/0x360 [ 2315.038646][ T10] netlink_unicast+0x449/0x710 [ 2315.038646][ T10] netlink_sendmsg+0x723/0xbe0 [ 2315.038646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2315.038646][ T10] ___sys_sendmsg+0xee/0x170 [ 2315.038646][ T10] __sys_sendmsg+0xcd/0x170 [ 2315.038646][ T10] do_syscall_64+0xc6/0x1e0 [ 2315.038646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2315.038646][ T10] [ 2315.040625][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2315.040625][ T10] netdev_get_by_index+0x5e/0x80 [ 2315.040625][ T10] fib6_nh_init+0x3d8/0x1580 [ 2315.040625][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2315.040625][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2315.040625][ T10] ipv6_add_addr+0x411/0x2000 [ 2315.040625][ T10] inet6_addr_add+0x30e/0xa40 [ 2315.040625][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2315.040625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2315.040625][ T10] netlink_rcv_skb+0x130/0x360 [ 2315.040625][ T10] netlink_unicast+0x449/0x710 [ 2315.040625][ T10] netlink_sendmsg+0x723/0xbe0 [ 2315.040625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2315.040625][ T10] ___sys_sendmsg+0xee/0x170 [ 2315.040625][ T10] __sys_sendmsg+0xcd/0x170 [ 2315.040625][ T10] do_syscall_64+0xc6/0x1e0 [ 2315.040625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2315.040625][ T10] [ 2315.042604][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2315.042604][ T10] netdev_get_by_index+0x5e/0x80 [ 2315.042604][ T10] fib6_nh_init+0x3d8/0x1580 [ 2315.042604][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2315.042604][ T10] ip6_route_add+0x1c/0x140 [ 2315.042604][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2315.042604][ T10] addrconf_add_dev+0xe2/0x170 [ 2315.042604][ T10] inet6_addr_add+0x12f/0xa40 [ 2315.042604][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2315.042604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2315.042604][ T10] netlink_rcv_skb+0x130/0x360 [ 2315.042604][ T10] netlink_unicast+0x449/0x710 [ 2315.042604][ T10] netlink_sendmsg+0x723/0xbe0 [ 2315.042604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2315.042604][ T10] ___sys_sendmsg+0xee/0x170 [ 2315.042604][ T10] __sys_sendmsg+0xcd/0x170 [ 2315.042604][ T10] do_syscall_64+0xc6/0x1e0 [ 2315.042604][ T10] [ 2315.044576][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2315.044576][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2315.044576][ T10] ipv6_find_idev+0x102/0x170 [ 2315.044576][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2315.044576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2315.044576][ T10] netlink_rcv_skb+0x130/0x360 [ 2315.044576][ T10] netlink_unicast+0x449/0x710 [ 2315.044576][ T10] netlink_sendmsg+0x723/0xbe0 [ 2315.044576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2315.044576][ T10] ___sys_sendmsg+0xee/0x170 [ 2315.044576][ T10] __sys_sendmsg+0xcd/0x170 [ 2315.044576][ T10] do_syscall_64+0xc6/0x1e0 [ 2315.044576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2315.044576][ T10] [ 2315.046119][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2315.046119][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2315.046119][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2315.046119][ T10] ipv6_find_idev+0x102/0x170 [ 2315.046119][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2315.046119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2315.046119][ T10] netlink_rcv_skb+0x130/0x360 [ 2315.046119][ T10] netlink_unicast+0x449/0x710 [ 2315.046119][ T10] netlink_sendmsg+0x723/0xbe0 [ 2315.046119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2315.046119][ T10] ___sys_sendmsg+0xee/0x170 [ 2315.046119][ T10] __sys_sendmsg+0xcd/0x170 [ 2315.046119][ T10] do_syscall_64+0xc6/0x1e0 [ 2315.046119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2315.046119][ T10] [ 2315.047776][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2315.048025][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2315.048025][ T10] netdev_get_by_index+0x5e/0x80 [ 2315.048025][ T10] fib6_nh_init+0x3d8/0x1580 [ 2315.048025][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2315.048025][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2315.048025][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2315.048025][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2315.048025][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2315.048025][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2315.048025][ T10] addrconf_dad_begin+0x310/0x670 [ 2315.048025][ T10] addrconf_dad_work+0x10b/0xab0 [ 2315.048025][ T10] process_one_work+0x84d/0x18a0 [ 2315.048025][ T10] worker_thread+0x587/0xd30 [ 2315.048025][ T10] kthread+0x28a/0x350 [ 2315.048025][ T10] ret_from_fork+0x31/0x70 [ 2315.048025][ T10] ret_from_fork_asm+0x1a/0x30 [ 2315.048025][ T10] [ 2315.049909][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2315.049909][ T10] netdev_get_by_index+0x5e/0x80 [ 2315.049909][ T10] fib6_nh_init+0x3d8/0x1580 [ 2315.049909][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2315.049909][ T10] ip6_route_add+0x1c/0x140 [ 2315.049909][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2315.049909][ T10] inet6_addr_add+0x4f8/0xa40 [ 2315.049909][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2315.049909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2315.049909][ T10] netlink_rcv_skb+0x130/0x360 [ 2315.049909][ T10] netlink_unicast+0x449/0x710 [ 2315.049909][ T10] netlink_sendmsg+0x723/0xbe0 [ 2315.049909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2315.049909][ T10] ___sys_sendmsg+0xee/0x170 [ 2315.049909][ T10] __sys_sendmsg+0xcd/0x170 [ 2315.049909][ T10] do_syscall_64+0xc6/0x1e0 [ 2315.049909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2315.049909][ T10] [ 2315.052077][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2315.052077][ T10] netdev_get_by_index+0x5e/0x80 [ 2315.052077][ T10] fib6_nh_init+0x3d8/0x1580 [ 2315.052077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2315.052077][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2315.052077][ T10] ipv6_add_addr+0x411/0x2000 [ 2315.052077][ T10] inet6_addr_add+0x30e/0xa40 [ 2315.052077][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2315.052077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2315.052077][ T10] netlink_rcv_skb+0x130/0x360 [ 2315.052077][ T10] netlink_unicast+0x449/0x710 [ 2315.052077][ T10] netlink_sendmsg+0x723/0xbe0 [ 2315.052077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2315.052077][ T10] ___sys_sendmsg+0xee/0x170 [ 2315.052077][ T10] __sys_sendmsg+0xcd/0x170 [ 2315.052077][ T10] do_syscall_64+0xc6/0x1e0 [ 2315.052077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2315.052077][ T10] [ 2315.054359][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2315.054359][ T10] netdev_get_by_index+0x5e/0x80 [ 2315.054359][ T10] fib6_nh_init+0x3d8/0x1580 [ 2315.054359][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2315.054359][ T10] ip6_route_add+0x1c/0x140 [ 2315.054359][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2315.054359][ T10] addrconf_add_dev+0xe2/0x170 [ 2315.054359][ T10] inet6_addr_add+0x12f/0xa40 [ 2315.054359][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2315.054359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2315.054359][ T10] netlink_rcv_skb+0x130/0x360 [ 2315.054359][ T10] netlink_unicast+0x449/0x710 [ 2315.054359][ T10] netlink_sendmsg+0x723/0xbe0 [ 2315.054359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2315.054359][ T10] ___sys_sendmsg+0xee/0x170 [ 2315.054359][ T10] __sys_sendmsg+0xcd/0x170 [ 2315.054359][ T10] do_syscall_64+0xc6/0x1e0 [ 2315.054359][ T10] [ 2315.057051][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2315.057051][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2315.057051][ T10] ipv6_find_idev+0x102/0x170 [ 2315.057051][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2315.057051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2315.057051][ T10] netlink_rcv_skb+0x130/0x360 [ 2315.057051][ T10] netlink_unicast+0x449/0x710 [ 2315.057051][ T10] netlink_sendmsg+0x723/0xbe0 [ 2315.057051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2315.057051][ T10] ___sys_sendmsg+0xee/0x170 [ 2315.057051][ T10] __sys_sendmsg+0xcd/0x170 [ 2315.057051][ T10] do_syscall_64+0xc6/0x1e0 [ 2315.057051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2315.057051][ T10] [ 2315.058771][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2315.058771][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2315.058771][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2315.058771][ T10] ipv6_find_idev+0x102/0x170 [ 2315.058771][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2315.058771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2315.058771][ T10] netlink_rcv_skb+0x130/0x360 [ 2315.058771][ T10] netlink_unicast+0x449/0x710 [ 2315.058771][ T10] netlink_sendmsg+0x723/0xbe0 [ 2315.058771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2315.058771][ T10] ___sys_sendmsg+0xee/0x170 [ 2315.058771][ T10] __sys_sendmsg+0xcd/0x170 [ 2315.058771][ T10] do_syscall_64+0xc6/0x1e0 [ 2315.058771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2315.058771][ T10] [ 2315.060711][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2315.060948][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2315.060948][ T10] netdev_get_by_index+0x5e/0x80 [ 2315.060948][ T10] fib6_nh_init+0x3d8/0x1580 [ 2315.060948][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2315.060948][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2315.060948][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2315.060948][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2315.060948][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2315.060948][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2315.060948][ T10] addrconf_dad_begin+0x310/0x670 [ 2315.060948][ T10] addrconf_dad_work+0x10b/0xab0 [ 2315.060948][ T10] process_one_work+0x84d/0x18a0 [ 2315.060948][ T10] worker_thread+0x587/0xd30 [ 2315.060948][ T10] kthread+0x28a/0x350 [ 2315.060948][ T10] ret_from_fork+0x31/0x70 [ 2315.060948][ T10] ret_from_fork_asm+0x1a/0x30 [ 2315.060948][ T10] [ 2315.063151][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2315.063151][ T10] netdev_get_by_index+0x5e/0x80 [ 2315.063151][ T10] fib6_nh_init+0x3d8/0x1580 [ 2315.063151][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2315.063151][ T10] ip6_route_add+0x1c/0x140 [ 2315.063151][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2315.063151][ T10] inet6_addr_add+0x4f8/0xa40 [ 2315.063151][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2315.063151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2315.063151][ T10] netlink_rcv_skb+0x130/0x360 [ 2315.063151][ T10] netlink_unicast+0x449/0x710 [ 2315.063151][ T10] netlink_sendmsg+0x723/0xbe0 [ 2315.063151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2315.063151][ T10] ___sys_sendmsg+0xee/0x170 [ 2315.063151][ T10] __sys_sendmsg+0xcd/0x170 [ 2315.063151][ T10] do_syscall_64+0xc6/0x1e0 [ 2315.063151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2315.063151][ T10] [ 2315.065370][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2315.065370][ T10] netdev_get_by_index+0x5e/0x80 [ 2315.065370][ T10] fib6_nh_init+0x3d8/0x1580 [ 2315.065370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2315.065370][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2315.065370][ T10] ipv6_add_addr+0x411/0x2000 [ 2315.065370][ T10] inet6_addr_add+0x30e/0xa40 [ 2315.065370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2315.065370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2315.065370][ T10] netlink_rcv_skb+0x130/0x360 [ 2315.065370][ T10] netlink_unicast+0x449/0x710 [ 2315.065370][ T10] netlink_sendmsg+0x723/0xbe0 [ 2315.065370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2315.065370][ T10] ___sys_sendmsg+0xee/0x170 [ 2315.065370][ T10] __sys_sendmsg+0xcd/0x170 [ 2315.065370][ T10] do_syscall_64+0xc6/0x1e0 [ 2315.065370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2315.065370][ T10] [ 2315.067547][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2315.067547][ T10] netdev_get_by_index+0x5e/0x80 [ 2315.067547][ T10] fib6_nh_init+0x3d8/0x1580 [ 2315.067547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2315.067547][ T10] ip6_route_add+0x1c/0x140 [ 2315.067547][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2315.067547][ T10] addrconf_add_dev+0xe2/0x170 [ 2315.067547][ T10] inet6_addr_add+0x12f/0xa40 [ 2315.067547][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2315.067547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2315.067547][ T10] netlink_rcv_skb+0x130/0x360 [ 2315.067547][ T10] netlink_unicast+0x449/0x710 [ 2315.067547][ T10] netlink_sendmsg+0x723/0xbe0 [ 2315.067547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2315.067547][ T10] ___sys_sendmsg+0xee/0x170 [ 2315.067547][ T10] __sys_sendmsg+0xcd/0x170 [ 2315.067547][ T10] do_syscall_64+0xc6/0x1e0 [ 2315.067547][ T10] [ 2315.069721][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2315.069721][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2315.069721][ T10] ipv6_find_idev+0x102/0x170 [ 2315.069721][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2315.069721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2315.069721][ T10] netlink_rcv_skb+0x130/0x360 [ 2315.069721][ T10] netlink_unicast+0x449/0x710 [ 2315.069721][ T10] netlink_sendmsg+0x723/0xbe0 [ 2315.069721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2315.069721][ T10] ___sys_sendmsg+0xee/0x170 [ 2315.069721][ T10] __sys_sendmsg+0xcd/0x170 [ 2315.069721][ T10] do_syscall_64+0xc6/0x1e0 [ 2315.069721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2315.069721][ T10] [ 2315.071430][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2315.071430][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2315.071430][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2315.071430][ T10] ipv6_find_idev+0x102/0x170 [ 2315.071430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2315.071430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2315.071430][ T10] netlink_rcv_skb+0x130/0x360 [ 2315.071430][ T10] netlink_unicast+0x449/0x710 [ 2315.071430][ T10] netlink_sendmsg+0x723/0xbe0 [ 2315.071430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2315.071430][ T10] ___sys_sendmsg+0xee/0x170 [ 2315.071430][ T10] __sys_sendmsg+0xcd/0x170 [ 2315.071430][ T10] do_syscall_64+0xc6/0x1e0 [ 2315.071430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2315.071430][ T10] [ 2319.617055][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2319.617525][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2319.617525][ T1167] dst_init+0x84/0x4a0 [ 2319.617525][ T1167] dst_alloc+0x97/0x150 [ 2319.617525][ T1167] ip6_dst_alloc+0x23/0x90 [ 2319.617525][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2319.617525][ T1167] ip6_pol_route+0x56f/0x840 [ 2319.617525][ T1167] fib6_rule_lookup+0x334/0x630 [ 2319.617525][ T1167] ip6_route_output_flags+0x259/0x480 [ 2319.617525][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2319.617525][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2319.617525][ T1167] netlink_rcv_skb+0x130/0x360 [ 2319.617525][ T1167] netlink_unicast+0x449/0x710 [ 2319.617525][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2319.617525][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2319.617525][ T1167] ___sys_sendmsg+0xee/0x170 [ 2319.617525][ T1167] __sys_sendmsg+0xcd/0x170 [ 2319.617525][ T1167] do_syscall_64+0xc6/0x1e0 [ 2319.617525][ T1167] [ 2319.619856][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2319.619856][ T1167] netdev_get_by_index+0x5e/0x80 [ 2319.619856][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2319.619856][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2319.619856][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2319.619856][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2319.619856][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2319.619856][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2319.619856][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2319.619856][ T1167] addrconf_dad_begin+0x310/0x670 [ 2319.619856][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2319.619856][ T1167] process_one_work+0x84d/0x18a0 [ 2319.619856][ T1167] worker_thread+0x587/0xd30 [ 2319.619856][ T1167] kthread+0x28a/0x350 [ 2319.619856][ T1167] ret_from_fork+0x31/0x70 [ 2319.619856][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2319.619856][ T1167] [ 2319.622227][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2319.622227][ T1167] netdev_get_by_index+0x5e/0x80 [ 2319.622227][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2319.622227][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2319.622227][ T1167] ip6_route_add+0x1c/0x140 [ 2319.622227][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2319.622227][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2319.622227][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.622227][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.622227][ T1167] netlink_rcv_skb+0x130/0x360 [ 2319.622227][ T1167] netlink_unicast+0x449/0x710 [ 2319.622227][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2319.622227][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2319.622227][ T1167] ___sys_sendmsg+0xee/0x170 [ 2319.622227][ T1167] __sys_sendmsg+0xcd/0x170 [ 2319.622227][ T1167] do_syscall_64+0xc6/0x1e0 [ 2319.622227][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.622227][ T1167] [ 2319.624689][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2319.624689][ T1167] netdev_get_by_index+0x5e/0x80 [ 2319.624689][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2319.624689][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2319.624689][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2319.624689][ T1167] ipv6_add_addr+0x411/0x2000 [ 2319.624689][ T1167] inet6_addr_add+0x30e/0xa40 [ 2319.624689][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.624689][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.624689][ T1167] netlink_rcv_skb+0x130/0x360 [ 2319.624689][ T1167] netlink_unicast+0x449/0x710 [ 2319.624689][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2319.624689][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2319.624689][ T1167] ___sys_sendmsg+0xee/0x170 [ 2319.624689][ T1167] __sys_sendmsg+0xcd/0x170 [ 2319.624689][ T1167] do_syscall_64+0xc6/0x1e0 [ 2319.624689][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.624689][ T1167] [ 2319.627160][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2319.627160][ T1167] netdev_get_by_index+0x5e/0x80 [ 2319.627160][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2319.627160][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2319.627160][ T1167] ip6_route_add+0x1c/0x140 [ 2319.627160][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2319.627160][ T1167] addrconf_add_dev+0xe2/0x170 [ 2319.627160][ T1167] inet6_addr_add+0x12f/0xa40 [ 2319.627160][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.627160][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.627160][ T1167] netlink_rcv_skb+0x130/0x360 [ 2319.627160][ T1167] netlink_unicast+0x449/0x710 [ 2319.627160][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2319.627160][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2319.627160][ T1167] ___sys_sendmsg+0xee/0x170 [ 2319.627160][ T1167] __sys_sendmsg+0xcd/0x170 [ 2319.627160][ T1167] do_syscall_64+0xc6/0x1e0 [ 2319.627160][ T1167] [ 2319.629585][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2319.629585][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2319.629585][ T1167] ipv6_find_idev+0x102/0x170 [ 2319.629585][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2319.629585][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.629585][ T1167] netlink_rcv_skb+0x130/0x360 [ 2319.629585][ T1167] netlink_unicast+0x449/0x710 [ 2319.629585][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2319.629585][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2319.629585][ T1167] ___sys_sendmsg+0xee/0x170 [ 2319.629585][ T1167] __sys_sendmsg+0xcd/0x170 [ 2319.629585][ T1167] do_syscall_64+0xc6/0x1e0 [ 2319.629585][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.629585][ T1167] [ 2319.631487][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2319.631487][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2319.631487][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2319.631487][ T1167] ipv6_find_idev+0x102/0x170 [ 2319.631487][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2319.631487][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.631487][ T1167] netlink_rcv_skb+0x130/0x360 [ 2319.631487][ T1167] netlink_unicast+0x449/0x710 [ 2319.631487][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2319.631487][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2319.631487][ T1167] ___sys_sendmsg+0xee/0x170 [ 2319.631487][ T1167] __sys_sendmsg+0xcd/0x170 [ 2319.631487][ T1167] do_syscall_64+0xc6/0x1e0 [ 2319.631487][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.631487][ T1167] [ 2325.313085][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2325.313500][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2325.313500][ T10] netdev_get_by_index+0x5e/0x80 [ 2325.313500][ T10] fib6_nh_init+0x3d8/0x1580 [ 2325.313500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2325.313500][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2325.313500][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2325.313500][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2325.313500][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2325.313500][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2325.313500][ T10] addrconf_dad_begin+0x310/0x670 [ 2325.313500][ T10] addrconf_dad_work+0x10b/0xab0 [ 2325.313500][ T10] process_one_work+0x84d/0x18a0 [ 2325.313500][ T10] worker_thread+0x587/0xd30 [ 2325.313500][ T10] kthread+0x28a/0x350 [ 2325.313500][ T10] ret_from_fork+0x31/0x70 [ 2325.313500][ T10] ret_from_fork_asm+0x1a/0x30 [ 2325.313500][ T10] [ 2325.315434][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2325.315434][ T10] netdev_get_by_index+0x5e/0x80 [ 2325.315434][ T10] fib6_nh_init+0x3d8/0x1580 [ 2325.315434][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2325.315434][ T10] ip6_route_add+0x1c/0x140 [ 2325.315434][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2325.315434][ T10] inet6_addr_add+0x4f8/0xa40 [ 2325.315434][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2325.315434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2325.315434][ T10] netlink_rcv_skb+0x130/0x360 [ 2325.315434][ T10] netlink_unicast+0x449/0x710 [ 2325.315434][ T10] netlink_sendmsg+0x723/0xbe0 [ 2325.315434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2325.315434][ T10] ___sys_sendmsg+0xee/0x170 [ 2325.315434][ T10] __sys_sendmsg+0xcd/0x170 [ 2325.315434][ T10] do_syscall_64+0xc6/0x1e0 [ 2325.315434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2325.315434][ T10] [ 2325.317438][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2325.317438][ T10] netdev_get_by_index+0x5e/0x80 [ 2325.317438][ T10] fib6_nh_init+0x3d8/0x1580 [ 2325.317438][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2325.317438][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2325.317438][ T10] ipv6_add_addr+0x411/0x2000 [ 2325.317438][ T10] inet6_addr_add+0x30e/0xa40 [ 2325.317438][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2325.317438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2325.317438][ T10] netlink_rcv_skb+0x130/0x360 [ 2325.317438][ T10] netlink_unicast+0x449/0x710 [ 2325.317438][ T10] netlink_sendmsg+0x723/0xbe0 [ 2325.317438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2325.317438][ T10] ___sys_sendmsg+0xee/0x170 [ 2325.317438][ T10] __sys_sendmsg+0xcd/0x170 [ 2325.317438][ T10] do_syscall_64+0xc6/0x1e0 [ 2325.317438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2325.317438][ T10] [ 2325.319419][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2325.319419][ T10] netdev_get_by_index+0x5e/0x80 [ 2325.319419][ T10] fib6_nh_init+0x3d8/0x1580 [ 2325.319419][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2325.319419][ T10] ip6_route_add+0x1c/0x140 [ 2325.319419][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2325.319419][ T10] addrconf_add_dev+0xe2/0x170 [ 2325.319419][ T10] inet6_addr_add+0x12f/0xa40 [ 2325.319419][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2325.319419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2325.319419][ T10] netlink_rcv_skb+0x130/0x360 [ 2325.319419][ T10] netlink_unicast+0x449/0x710 [ 2325.319419][ T10] netlink_sendmsg+0x723/0xbe0 [ 2325.319419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2325.319419][ T10] ___sys_sendmsg+0xee/0x170 [ 2325.319419][ T10] __sys_sendmsg+0xcd/0x170 [ 2325.319419][ T10] do_syscall_64+0xc6/0x1e0 [ 2325.319419][ T10] [ 2325.321361][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2325.321361][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2325.321361][ T10] ipv6_find_idev+0x102/0x170 [ 2325.321361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2325.321361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2325.321361][ T10] netlink_rcv_skb+0x130/0x360 [ 2325.321361][ T10] netlink_unicast+0x449/0x710 [ 2325.321361][ T10] netlink_sendmsg+0x723/0xbe0 [ 2325.321361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2325.321361][ T10] ___sys_sendmsg+0xee/0x170 [ 2325.321361][ T10] __sys_sendmsg+0xcd/0x170 [ 2325.321361][ T10] do_syscall_64+0xc6/0x1e0 [ 2325.321361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2325.321361][ T10] [ 2325.322887][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2325.322887][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2325.322887][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2325.322887][ T10] ipv6_find_idev+0x102/0x170 [ 2325.322887][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2325.322887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2325.322887][ T10] netlink_rcv_skb+0x130/0x360 [ 2325.322887][ T10] netlink_unicast+0x449/0x710 [ 2325.322887][ T10] netlink_sendmsg+0x723/0xbe0 [ 2325.322887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2325.322887][ T10] ___sys_sendmsg+0xee/0x170 [ 2325.322887][ T10] __sys_sendmsg+0xcd/0x170 [ 2325.322887][ T10] do_syscall_64+0xc6/0x1e0 [ 2325.322887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2325.322887][ T10] [ 2325.324593][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2325.324840][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2325.324840][ T10] netdev_get_by_index+0x5e/0x80 [ 2325.324840][ T10] fib6_nh_init+0x3d8/0x1580 [ 2325.324840][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2325.324840][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2325.324840][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2325.324840][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2325.324840][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2325.324840][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2325.324840][ T10] addrconf_dad_begin+0x310/0x670 [ 2325.324840][ T10] addrconf_dad_work+0x10b/0xab0 [ 2325.324840][ T10] process_one_work+0x84d/0x18a0 [ 2325.324840][ T10] worker_thread+0x587/0xd30 [ 2325.324840][ T10] kthread+0x28a/0x350 [ 2325.324840][ T10] ret_from_fork+0x31/0x70 [ 2325.324840][ T10] ret_from_fork_asm+0x1a/0x30 [ 2325.324840][ T10] [ 2325.326736][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2325.326736][ T10] netdev_get_by_index+0x5e/0x80 [ 2325.326736][ T10] fib6_nh_init+0x3d8/0x1580 [ 2325.326736][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2325.326736][ T10] ip6_route_add+0x1c/0x140 [ 2325.326736][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2325.326736][ T10] inet6_addr_add+0x4f8/0xa40 [ 2325.326736][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2325.326736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2325.326736][ T10] netlink_rcv_skb+0x130/0x360 [ 2325.326736][ T10] netlink_unicast+0x449/0x710 [ 2325.326736][ T10] netlink_sendmsg+0x723/0xbe0 [ 2325.326736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2325.326736][ T10] ___sys_sendmsg+0xee/0x170 [ 2325.326736][ T10] __sys_sendmsg+0xcd/0x170 [ 2325.326736][ T10] do_syscall_64+0xc6/0x1e0 [ 2325.326736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2325.326736][ T10] [ 2325.328734][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2325.328734][ T10] netdev_get_by_index+0x5e/0x80 [ 2325.328734][ T10] fib6_nh_init+0x3d8/0x1580 [ 2325.328734][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2325.328734][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2325.328734][ T10] ipv6_add_addr+0x411/0x2000 [ 2325.328734][ T10] inet6_addr_add+0x30e/0xa40 [ 2325.328734][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2325.328734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2325.328734][ T10] netlink_rcv_skb+0x130/0x360 [ 2325.328734][ T10] netlink_unicast+0x449/0x710 [ 2325.328734][ T10] netlink_sendmsg+0x723/0xbe0 [ 2325.328734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2325.328734][ T10] ___sys_sendmsg+0xee/0x170 [ 2325.328734][ T10] __sys_sendmsg+0xcd/0x170 [ 2325.328734][ T10] do_syscall_64+0xc6/0x1e0 [ 2325.328734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2325.328734][ T10] [ 2325.330756][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2325.330756][ T10] netdev_get_by_index+0x5e/0x80 [ 2325.330756][ T10] fib6_nh_init+0x3d8/0x1580 [ 2325.330756][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2325.330756][ T10] ip6_route_add+0x1c/0x140 [ 2325.330756][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2325.330756][ T10] addrconf_add_dev+0xe2/0x170 [ 2325.330756][ T10] inet6_addr_add+0x12f/0xa40 [ 2325.330756][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2325.330756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2325.330756][ T10] netlink_rcv_skb+0x130/0x360 [ 2325.330756][ T10] netlink_unicast+0x449/0x710 [ 2325.330756][ T10] netlink_sendmsg+0x723/0xbe0 [ 2325.330756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2325.330756][ T10] ___sys_sendmsg+0xee/0x170 [ 2325.330756][ T10] __sys_sendmsg+0xcd/0x170 [ 2325.330756][ T10] do_syscall_64+0xc6/0x1e0 [ 2325.330756][ T10] [ 2325.332712][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2325.332712][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2325.332712][ T10] ipv6_find_idev+0x102/0x170 [ 2325.332712][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2325.332712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2325.332712][ T10] netlink_rcv_skb+0x130/0x360 [ 2325.332712][ T10] netlink_unicast+0x449/0x710 [ 2325.332712][ T10] netlink_sendmsg+0x723/0xbe0 [ 2325.332712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2325.332712][ T10] ___sys_sendmsg+0xee/0x170 [ 2325.332712][ T10] __sys_sendmsg+0xcd/0x170 [ 2325.332712][ T10] do_syscall_64+0xc6/0x1e0 [ 2325.332712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2325.332712][ T10] [ 2325.334240][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2325.334240][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2325.334240][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2325.334240][ T10] ipv6_find_idev+0x102/0x170 [ 2325.334240][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2325.334240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2325.334240][ T10] netlink_rcv_skb+0x130/0x360 [ 2325.334240][ T10] netlink_unicast+0x449/0x710 [ 2325.334240][ T10] netlink_sendmsg+0x723/0xbe0 [ 2325.334240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2325.334240][ T10] ___sys_sendmsg+0xee/0x170 [ 2325.334240][ T10] __sys_sendmsg+0xcd/0x170 [ 2325.334240][ T10] do_syscall_64+0xc6/0x1e0 [ 2325.334240][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2325.334240][ T10] [ 2325.335907][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2325.336155][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2325.336155][ T10] netdev_get_by_index+0x5e/0x80 [ 2325.336155][ T10] fib6_nh_init+0x3d8/0x1580 [ 2325.336155][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2325.336155][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2325.336155][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2325.336155][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2325.336155][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2325.336155][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2325.336155][ T10] addrconf_dad_begin+0x310/0x670 [ 2325.336155][ T10] addrconf_dad_work+0x10b/0xab0 [ 2325.336155][ T10] process_one_work+0x84d/0x18a0 [ 2325.336155][ T10] worker_thread+0x587/0xd30 [ 2325.336155][ T10] kthread+0x28a/0x350 [ 2325.336155][ T10] ret_from_fork+0x31/0x70 [ 2325.336155][ T10] ret_from_fork_asm+0x1a/0x30 [ 2325.336155][ T10] [ 2325.338081][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2325.338081][ T10] netdev_get_by_index+0x5e/0x80 [ 2325.338081][ T10] fib6_nh_init+0x3d8/0x1580 [ 2325.338081][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2325.338081][ T10] ip6_route_add+0x1c/0x140 [ 2325.338081][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2325.338081][ T10] inet6_addr_add+0x4f8/0xa40 [ 2325.338081][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2325.338081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2325.338081][ T10] netlink_rcv_skb+0x130/0x360 [ 2325.338081][ T10] netlink_unicast+0x449/0x710 [ 2325.338081][ T10] netlink_sendmsg+0x723/0xbe0 [ 2325.338081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2325.338081][ T10] ___sys_sendmsg+0xee/0x170 [ 2325.338081][ T10] __sys_sendmsg+0xcd/0x170 [ 2325.338081][ T10] do_syscall_64+0xc6/0x1e0 [ 2325.338081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2325.338081][ T10] [ 2325.340267][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2325.340267][ T10] netdev_get_by_index+0x5e/0x80 [ 2325.340267][ T10] fib6_nh_init+0x3d8/0x1580 [ 2325.340267][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2325.340267][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2325.340267][ T10] ipv6_add_addr+0x411/0x2000 [ 2325.340267][ T10] inet6_addr_add+0x30e/0xa40 [ 2325.340267][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2325.340267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2325.340267][ T10] netlink_rcv_skb+0x130/0x360 [ 2325.340267][ T10] netlink_unicast+0x449/0x710 [ 2325.340267][ T10] netlink_sendmsg+0x723/0xbe0 [ 2325.340267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2325.340267][ T10] ___sys_sendmsg+0xee/0x170 [ 2325.340267][ T10] __sys_sendmsg+0xcd/0x170 [ 2325.340267][ T10] do_syscall_64+0xc6/0x1e0 [ 2325.340267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2325.340267][ T10] [ 2325.342494][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2325.342494][ T10] netdev_get_by_index+0x5e/0x80 [ 2325.342494][ T10] fib6_nh_init+0x3d8/0x1580 [ 2325.342494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2325.342494][ T10] ip6_route_add+0x1c/0x140 [ 2325.342494][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2325.342494][ T10] addrconf_add_dev+0xe2/0x170 [ 2325.342494][ T10] inet6_addr_add+0x12f/0xa40 [ 2325.342494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2325.342494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2325.342494][ T10] netlink_rcv_skb+0x130/0x360 [ 2325.342494][ T10] netlink_unicast+0x449/0x710 [ 2325.342494][ T10] netlink_sendmsg+0x723/0xbe0 [ 2325.342494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2325.342494][ T10] ___sys_sendmsg+0xee/0x170 [ 2325.342494][ T10] __sys_sendmsg+0xcd/0x170 [ 2325.342494][ T10] do_syscall_64+0xc6/0x1e0 [ 2325.342494][ T10] [ 2325.344658][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2325.344658][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2325.344658][ T10] ipv6_find_idev+0x102/0x170 [ 2325.344658][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2325.344658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2325.344658][ T10] netlink_rcv_skb+0x130/0x360 [ 2325.344658][ T10] netlink_unicast+0x449/0x710 [ 2325.344658][ T10] netlink_sendmsg+0x723/0xbe0 [ 2325.344658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2325.344658][ T10] ___sys_sendmsg+0xee/0x170 [ 2325.344658][ T10] __sys_sendmsg+0xcd/0x170 [ 2325.344658][ T10] do_syscall_64+0xc6/0x1e0 [ 2325.344658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2325.344658][ T10] [ 2325.346358][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2325.346358][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2325.346358][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2325.346358][ T10] ipv6_find_idev+0x102/0x170 [ 2325.346358][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2325.346358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2325.346358][ T10] netlink_rcv_skb+0x130/0x360 [ 2325.346358][ T10] netlink_unicast+0x449/0x710 [ 2325.346358][ T10] netlink_sendmsg+0x723/0xbe0 [ 2325.346358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2325.346358][ T10] ___sys_sendmsg+0xee/0x170 [ 2325.346358][ T10] __sys_sendmsg+0xcd/0x170 [ 2325.346358][ T10] do_syscall_64+0xc6/0x1e0 [ 2325.346358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2325.346358][ T10] [ 2325.348276][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2325.348531][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2325.348531][ T10] netdev_get_by_index+0x5e/0x80 [ 2325.348531][ T10] fib6_nh_init+0x3d8/0x1580 [ 2325.348531][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2325.348531][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2325.348531][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2325.348531][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2325.348531][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2325.348531][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2325.348531][ T10] addrconf_dad_begin+0x310/0x670 [ 2325.348531][ T10] addrconf_dad_work+0x10b/0xab0 [ 2325.348531][ T10] process_one_work+0x84d/0x18a0 [ 2325.348531][ T10] worker_thread+0x587/0xd30 [ 2325.348531][ T10] kthread+0x28a/0x350 [ 2325.348531][ T10] ret_from_fork+0x31/0x70 [ 2325.348531][ T10] ret_from_fork_asm+0x1a/0x30 [ 2325.348531][ T10] [ 2325.350666][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2325.350666][ T10] netdev_get_by_index+0x5e/0x80 [ 2325.350666][ T10] fib6_nh_init+0x3d8/0x1580 [ 2325.350666][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2325.350666][ T10] ip6_route_add+0x1c/0x140 [ 2325.350666][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2325.350666][ T10] inet6_addr_add+0x4f8/0xa40 [ 2325.350666][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2325.350666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2325.350666][ T10] netlink_rcv_skb+0x130/0x360 [ 2325.350666][ T10] netlink_unicast+0x449/0x710 [ 2325.350666][ T10] netlink_sendmsg+0x723/0xbe0 [ 2325.350666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2325.350666][ T10] ___sys_sendmsg+0xee/0x170 [ 2325.350666][ T10] __sys_sendmsg+0xcd/0x170 [ 2325.350666][ T10] do_syscall_64+0xc6/0x1e0 [ 2325.350666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2325.350666][ T10] [ 2325.352825][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2325.352825][ T10] netdev_get_by_index+0x5e/0x80 [ 2325.352825][ T10] fib6_nh_init+0x3d8/0x1580 [ 2325.352825][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2325.352825][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2325.352825][ T10] ipv6_add_addr+0x411/0x2000 [ 2325.352825][ T10] inet6_addr_add+0x30e/0xa40 [ 2325.352825][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2325.352825][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2325.352825][ T10] netlink_rcv_skb+0x130/0x360 [ 2325.352825][ T10] netlink_unicast+0x449/0x710 [ 2325.352825][ T10] netlink_sendmsg+0x723/0xbe0 [ 2325.352825][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2325.352825][ T10] ___sys_sendmsg+0xee/0x170 [ 2325.352825][ T10] __sys_sendmsg+0xcd/0x170 [ 2325.352825][ T10] do_syscall_64+0xc6/0x1e0 [ 2325.352825][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2325.352825][ T10] [ 2325.354993][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2325.354993][ T10] netdev_get_by_index+0x5e/0x80 [ 2325.354993][ T10] fib6_nh_init+0x3d8/0x1580 [ 2325.354993][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2325.354993][ T10] ip6_route_add+0x1c/0x140 [ 2325.354993][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2325.354993][ T10] addrconf_add_dev+0xe2/0x170 [ 2325.354993][ T10] inet6_addr_add+0x12f/0xa40 [ 2325.354993][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2325.354993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2325.354993][ T10] netlink_rcv_skb+0x130/0x360 [ 2325.354993][ T10] netlink_unicast+0x449/0x710 [ 2325.354993][ T10] netlink_sendmsg+0x723/0xbe0 [ 2325.354993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2325.354993][ T10] ___sys_sendmsg+0xee/0x170 [ 2325.354993][ T10] __sys_sendmsg+0xcd/0x170 [ 2325.354993][ T10] do_syscall_64+0xc6/0x1e0 [ 2325.354993][ T10] [ 2325.357213][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2325.357213][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2325.357213][ T10] ipv6_find_idev+0x102/0x170 [ 2325.357213][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2325.357213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2325.357213][ T10] netlink_rcv_skb+0x130/0x360 [ 2325.357213][ T10] netlink_unicast+0x449/0x710 [ 2325.357213][ T10] netlink_sendmsg+0x723/0xbe0 [ 2325.357213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2325.357213][ T10] ___sys_sendmsg+0xee/0x170 [ 2325.357213][ T10] __sys_sendmsg+0xcd/0x170 [ 2325.357213][ T10] do_syscall_64+0xc6/0x1e0 [ 2325.357213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2325.357213][ T10] [ 2325.358925][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2325.358925][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2325.358925][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2325.358925][ T10] ipv6_find_idev+0x102/0x170 [ 2325.358925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2325.358925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2325.358925][ T10] netlink_rcv_skb+0x130/0x360 [ 2325.358925][ T10] netlink_unicast+0x449/0x710 [ 2325.358925][ T10] netlink_sendmsg+0x723/0xbe0 [ 2325.358925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2325.358925][ T10] ___sys_sendmsg+0xee/0x170 [ 2325.358925][ T10] __sys_sendmsg+0xcd/0x170 [ 2325.358925][ T10] do_syscall_64+0xc6/0x1e0 [ 2325.358925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2325.358925][ T10] [ 2329.873051][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2329.873564][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2329.873564][ T1167] dst_init+0x84/0x4a0 [ 2329.873564][ T1167] dst_alloc+0x97/0x150 [ 2329.873564][ T1167] ip6_dst_alloc+0x23/0x90 [ 2329.873564][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2329.873564][ T1167] ip6_pol_route+0x56f/0x840 [ 2329.873564][ T1167] fib6_rule_lookup+0x334/0x630 [ 2329.873564][ T1167] ip6_route_output_flags+0x259/0x480 [ 2329.873564][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2329.873564][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2329.873564][ T1167] netlink_rcv_skb+0x130/0x360 [ 2329.873564][ T1167] netlink_unicast+0x449/0x710 [ 2329.873564][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2329.873564][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2329.873564][ T1167] ___sys_sendmsg+0xee/0x170 [ 2329.873564][ T1167] __sys_sendmsg+0xcd/0x170 [ 2329.873564][ T1167] do_syscall_64+0xc6/0x1e0 [ 2329.873564][ T1167] [ 2329.875779][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2329.875779][ T1167] netdev_get_by_index+0x5e/0x80 [ 2329.875779][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2329.875779][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2329.875779][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2329.875779][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2329.875779][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2329.875779][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2329.875779][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2329.875779][ T1167] addrconf_dad_begin+0x310/0x670 [ 2329.875779][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2329.875779][ T1167] process_one_work+0x84d/0x18a0 [ 2329.875779][ T1167] worker_thread+0x587/0xd30 [ 2329.875779][ T1167] kthread+0x28a/0x350 [ 2329.875779][ T1167] ret_from_fork+0x31/0x70 [ 2329.875779][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2329.875779][ T1167] [ 2329.877958][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2329.877958][ T1167] netdev_get_by_index+0x5e/0x80 [ 2329.877958][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2329.877958][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2329.877958][ T1167] ip6_route_add+0x1c/0x140 [ 2329.877958][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2329.877958][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2329.877958][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.877958][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.877958][ T1167] netlink_rcv_skb+0x130/0x360 [ 2329.877958][ T1167] netlink_unicast+0x449/0x710 [ 2329.877958][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2329.877958][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2329.877958][ T1167] ___sys_sendmsg+0xee/0x170 [ 2329.877958][ T1167] __sys_sendmsg+0xcd/0x170 [ 2329.877958][ T1167] do_syscall_64+0xc6/0x1e0 [ 2329.877958][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.877958][ T1167] [ 2329.880223][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2329.880223][ T1167] netdev_get_by_index+0x5e/0x80 [ 2329.880223][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2329.880223][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2329.880223][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2329.880223][ T1167] ipv6_add_addr+0x411/0x2000 [ 2329.880223][ T1167] inet6_addr_add+0x30e/0xa40 [ 2329.880223][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.880223][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.880223][ T1167] netlink_rcv_skb+0x130/0x360 [ 2329.880223][ T1167] netlink_unicast+0x449/0x710 [ 2329.880223][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2329.880223][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2329.880223][ T1167] ___sys_sendmsg+0xee/0x170 [ 2329.880223][ T1167] __sys_sendmsg+0xcd/0x170 [ 2329.880223][ T1167] do_syscall_64+0xc6/0x1e0 [ 2329.880223][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.880223][ T1167] [ 2329.882483][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2329.882483][ T1167] netdev_get_by_index+0x5e/0x80 [ 2329.882483][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2329.882483][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2329.882483][ T1167] ip6_route_add+0x1c/0x140 [ 2329.882483][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2329.882483][ T1167] addrconf_add_dev+0xe2/0x170 [ 2329.882483][ T1167] inet6_addr_add+0x12f/0xa40 [ 2329.882483][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.882483][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.882483][ T1167] netlink_rcv_skb+0x130/0x360 [ 2329.882483][ T1167] netlink_unicast+0x449/0x710 [ 2329.882483][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2329.882483][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2329.882483][ T1167] ___sys_sendmsg+0xee/0x170 [ 2329.882483][ T1167] __sys_sendmsg+0xcd/0x170 [ 2329.882483][ T1167] do_syscall_64+0xc6/0x1e0 [ 2329.882483][ T1167] [ 2329.884700][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2329.884700][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2329.884700][ T1167] ipv6_find_idev+0x102/0x170 [ 2329.884700][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2329.884700][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.884700][ T1167] netlink_rcv_skb+0x130/0x360 [ 2329.884700][ T1167] netlink_unicast+0x449/0x710 [ 2329.884700][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2329.884700][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2329.884700][ T1167] ___sys_sendmsg+0xee/0x170 [ 2329.884700][ T1167] __sys_sendmsg+0xcd/0x170 [ 2329.884700][ T1167] do_syscall_64+0xc6/0x1e0 [ 2329.884700][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.884700][ T1167] [ 2329.886438][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2329.886438][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2329.886438][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2329.886438][ T1167] ipv6_find_idev+0x102/0x170 [ 2329.886438][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2329.886438][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.886438][ T1167] netlink_rcv_skb+0x130/0x360 [ 2329.886438][ T1167] netlink_unicast+0x449/0x710 [ 2329.886438][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2329.886438][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2329.886438][ T1167] ___sys_sendmsg+0xee/0x170 [ 2329.886438][ T1167] __sys_sendmsg+0xcd/0x170 [ 2329.886438][ T1167] do_syscall_64+0xc6/0x1e0 [ 2329.886438][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.886438][ T1167] [ 2335.601116][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2335.601522][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2335.601522][ T10] netdev_get_by_index+0x5e/0x80 [ 2335.601522][ T10] fib6_nh_init+0x3d8/0x1580 [ 2335.601522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2335.601522][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2335.601522][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2335.601522][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2335.601522][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2335.601522][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2335.601522][ T10] addrconf_dad_begin+0x310/0x670 [ 2335.601522][ T10] addrconf_dad_work+0x10b/0xab0 [ 2335.601522][ T10] process_one_work+0x84d/0x18a0 [ 2335.601522][ T10] worker_thread+0x587/0xd30 [ 2335.601522][ T10] kthread+0x28a/0x350 [ 2335.601522][ T10] ret_from_fork+0x31/0x70 [ 2335.601522][ T10] ret_from_fork_asm+0x1a/0x30 [ 2335.601522][ T10] [ 2335.603440][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2335.603440][ T10] netdev_get_by_index+0x5e/0x80 [ 2335.603440][ T10] fib6_nh_init+0x3d8/0x1580 [ 2335.603440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2335.603440][ T10] ip6_route_add+0x1c/0x140 [ 2335.603440][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2335.603440][ T10] inet6_addr_add+0x4f8/0xa40 [ 2335.603440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2335.603440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2335.603440][ T10] netlink_rcv_skb+0x130/0x360 [ 2335.603440][ T10] netlink_unicast+0x449/0x710 [ 2335.603440][ T10] netlink_sendmsg+0x723/0xbe0 [ 2335.603440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2335.603440][ T10] ___sys_sendmsg+0xee/0x170 [ 2335.603440][ T10] __sys_sendmsg+0xcd/0x170 [ 2335.603440][ T10] do_syscall_64+0xc6/0x1e0 [ 2335.603440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2335.603440][ T10] [ 2335.605437][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2335.605437][ T10] netdev_get_by_index+0x5e/0x80 [ 2335.605437][ T10] fib6_nh_init+0x3d8/0x1580 [ 2335.605437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2335.605437][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2335.605437][ T10] ipv6_add_addr+0x411/0x2000 [ 2335.605437][ T10] inet6_addr_add+0x30e/0xa40 [ 2335.605437][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2335.605437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2335.605437][ T10] netlink_rcv_skb+0x130/0x360 [ 2335.605437][ T10] netlink_unicast+0x449/0x710 [ 2335.605437][ T10] netlink_sendmsg+0x723/0xbe0 [ 2335.605437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2335.605437][ T10] ___sys_sendmsg+0xee/0x170 [ 2335.605437][ T10] __sys_sendmsg+0xcd/0x170 [ 2335.605437][ T10] do_syscall_64+0xc6/0x1e0 [ 2335.605437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2335.605437][ T10] [ 2335.607434][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2335.607434][ T10] netdev_get_by_index+0x5e/0x80 [ 2335.607434][ T10] fib6_nh_init+0x3d8/0x1580 [ 2335.607434][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2335.607434][ T10] ip6_route_add+0x1c/0x140 [ 2335.607434][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2335.607434][ T10] addrconf_add_dev+0xe2/0x170 [ 2335.607434][ T10] inet6_addr_add+0x12f/0xa40 [ 2335.607434][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2335.607434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2335.607434][ T10] netlink_rcv_skb+0x130/0x360 [ 2335.607434][ T10] netlink_unicast+0x449/0x710 [ 2335.607434][ T10] netlink_sendmsg+0x723/0xbe0 [ 2335.607434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2335.607434][ T10] ___sys_sendmsg+0xee/0x170 [ 2335.607434][ T10] __sys_sendmsg+0xcd/0x170 [ 2335.607434][ T10] do_syscall_64+0xc6/0x1e0 [ 2335.607434][ T10] [ 2335.609373][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2335.609373][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2335.609373][ T10] ipv6_find_idev+0x102/0x170 [ 2335.609373][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2335.609373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2335.609373][ T10] netlink_rcv_skb+0x130/0x360 [ 2335.609373][ T10] netlink_unicast+0x449/0x710 [ 2335.609373][ T10] netlink_sendmsg+0x723/0xbe0 [ 2335.609373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2335.609373][ T10] ___sys_sendmsg+0xee/0x170 [ 2335.609373][ T10] __sys_sendmsg+0xcd/0x170 [ 2335.609373][ T10] do_syscall_64+0xc6/0x1e0 [ 2335.609373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2335.609373][ T10] [ 2335.610902][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2335.610902][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2335.610902][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2335.610902][ T10] ipv6_find_idev+0x102/0x170 [ 2335.610902][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2335.610902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2335.610902][ T10] netlink_rcv_skb+0x130/0x360 [ 2335.610902][ T10] netlink_unicast+0x449/0x710 [ 2335.610902][ T10] netlink_sendmsg+0x723/0xbe0 [ 2335.610902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2335.610902][ T10] ___sys_sendmsg+0xee/0x170 [ 2335.610902][ T10] __sys_sendmsg+0xcd/0x170 [ 2335.610902][ T10] do_syscall_64+0xc6/0x1e0 [ 2335.610902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2335.610902][ T10] [ 2335.612613][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2335.612863][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2335.612863][ T10] netdev_get_by_index+0x5e/0x80 [ 2335.612863][ T10] fib6_nh_init+0x3d8/0x1580 [ 2335.612863][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2335.612863][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2335.612863][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2335.612863][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2335.612863][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2335.612863][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2335.612863][ T10] addrconf_dad_begin+0x310/0x670 [ 2335.612863][ T10] addrconf_dad_work+0x10b/0xab0 [ 2335.612863][ T10] process_one_work+0x84d/0x18a0 [ 2335.612863][ T10] worker_thread+0x587/0xd30 [ 2335.612863][ T10] kthread+0x28a/0x350 [ 2335.612863][ T10] ret_from_fork+0x31/0x70 [ 2335.612863][ T10] ret_from_fork_asm+0x1a/0x30 [ 2335.612863][ T10] [ 2335.614920][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2335.614920][ T10] netdev_get_by_index+0x5e/0x80 [ 2335.614920][ T10] fib6_nh_init+0x3d8/0x1580 [ 2335.614920][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2335.614920][ T10] ip6_route_add+0x1c/0x140 [ 2335.614920][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2335.614920][ T10] inet6_addr_add+0x4f8/0xa40 [ 2335.614920][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2335.614920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2335.614920][ T10] netlink_rcv_skb+0x130/0x360 [ 2335.614920][ T10] netlink_unicast+0x449/0x710 [ 2335.614920][ T10] netlink_sendmsg+0x723/0xbe0 [ 2335.614920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2335.614920][ T10] ___sys_sendmsg+0xee/0x170 [ 2335.614920][ T10] __sys_sendmsg+0xcd/0x170 [ 2335.614920][ T10] do_syscall_64+0xc6/0x1e0 [ 2335.614920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2335.614920][ T10] [ 2335.617053][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2335.617053][ T10] netdev_get_by_index+0x5e/0x80 [ 2335.617053][ T10] fib6_nh_init+0x3d8/0x1580 [ 2335.617053][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2335.617053][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2335.617053][ T10] ipv6_add_addr+0x411/0x2000 [ 2335.617053][ T10] inet6_addr_add+0x30e/0xa40 [ 2335.617053][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2335.617053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2335.617053][ T10] netlink_rcv_skb+0x130/0x360 [ 2335.617053][ T10] netlink_unicast+0x449/0x710 [ 2335.617053][ T10] netlink_sendmsg+0x723/0xbe0 [ 2335.617053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2335.617053][ T10] ___sys_sendmsg+0xee/0x170 [ 2335.617053][ T10] __sys_sendmsg+0xcd/0x170 [ 2335.617053][ T10] do_syscall_64+0xc6/0x1e0 [ 2335.617053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2335.617053][ T10] [ 2335.619176][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2335.619176][ T10] netdev_get_by_index+0x5e/0x80 [ 2335.619176][ T10] fib6_nh_init+0x3d8/0x1580 [ 2335.619176][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2335.619176][ T10] ip6_route_add+0x1c/0x140 [ 2335.619176][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2335.619176][ T10] addrconf_add_dev+0xe2/0x170 [ 2335.619176][ T10] inet6_addr_add+0x12f/0xa40 [ 2335.619176][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2335.619176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2335.619176][ T10] netlink_rcv_skb+0x130/0x360 [ 2335.619176][ T10] netlink_unicast+0x449/0x710 [ 2335.619176][ T10] netlink_sendmsg+0x723/0xbe0 [ 2335.619176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2335.619176][ T10] ___sys_sendmsg+0xee/0x170 [ 2335.619176][ T10] __sys_sendmsg+0xcd/0x170 [ 2335.619176][ T10] do_syscall_64+0xc6/0x1e0 [ 2335.619176][ T10] [ 2335.621237][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2335.621237][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2335.621237][ T10] ipv6_find_idev+0x102/0x170 [ 2335.621237][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2335.621237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2335.621237][ T10] netlink_rcv_skb+0x130/0x360 [ 2335.621237][ T10] netlink_unicast+0x449/0x710 [ 2335.621237][ T10] netlink_sendmsg+0x723/0xbe0 [ 2335.621237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2335.621237][ T10] ___sys_sendmsg+0xee/0x170 [ 2335.621237][ T10] __sys_sendmsg+0xcd/0x170 [ 2335.621237][ T10] do_syscall_64+0xc6/0x1e0 [ 2335.621237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2335.621237][ T10] [ 2335.622884][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2335.622884][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2335.622884][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2335.622884][ T10] ipv6_find_idev+0x102/0x170 [ 2335.622884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2335.622884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2335.622884][ T10] netlink_rcv_skb+0x130/0x360 [ 2335.622884][ T10] netlink_unicast+0x449/0x710 [ 2335.622884][ T10] netlink_sendmsg+0x723/0xbe0 [ 2335.622884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2335.622884][ T10] ___sys_sendmsg+0xee/0x170 [ 2335.622884][ T10] __sys_sendmsg+0xcd/0x170 [ 2335.622884][ T10] do_syscall_64+0xc6/0x1e0 [ 2335.622884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2335.622884][ T10] [ 2335.624698][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2335.624970][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2335.624970][ T10] netdev_get_by_index+0x5e/0x80 [ 2335.624970][ T10] fib6_nh_init+0x3d8/0x1580 [ 2335.624970][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2335.624970][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2335.624970][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2335.624970][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2335.624970][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2335.624970][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2335.624970][ T10] addrconf_dad_begin+0x310/0x670 [ 2335.624970][ T10] addrconf_dad_work+0x10b/0xab0 [ 2335.624970][ T10] process_one_work+0x84d/0x18a0 [ 2335.624970][ T10] worker_thread+0x587/0xd30 [ 2335.624970][ T10] kthread+0x28a/0x350 [ 2335.624970][ T10] ret_from_fork+0x31/0x70 [ 2335.624970][ T10] ret_from_fork_asm+0x1a/0x30 [ 2335.624970][ T10] [ 2335.626932][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2335.626932][ T10] netdev_get_by_index+0x5e/0x80 [ 2335.626932][ T10] fib6_nh_init+0x3d8/0x1580 [ 2335.626932][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2335.626932][ T10] ip6_route_add+0x1c/0x140 [ 2335.626932][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2335.626932][ T10] inet6_addr_add+0x4f8/0xa40 [ 2335.626932][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2335.626932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2335.626932][ T10] netlink_rcv_skb+0x130/0x360 [ 2335.626932][ T10] netlink_unicast+0x449/0x710 [ 2335.626932][ T10] netlink_sendmsg+0x723/0xbe0 [ 2335.626932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2335.626932][ T10] ___sys_sendmsg+0xee/0x170 [ 2335.626932][ T10] __sys_sendmsg+0xcd/0x170 [ 2335.626932][ T10] do_syscall_64+0xc6/0x1e0 [ 2335.626932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2335.626932][ T10] [ 2335.629113][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2335.629113][ T10] netdev_get_by_index+0x5e/0x80 [ 2335.629113][ T10] fib6_nh_init+0x3d8/0x1580 [ 2335.629113][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2335.629113][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2335.629113][ T10] ipv6_add_addr+0x411/0x2000 [ 2335.629113][ T10] inet6_addr_add+0x30e/0xa40 [ 2335.629113][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2335.629113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2335.629113][ T10] netlink_rcv_skb+0x130/0x360 [ 2335.629113][ T10] netlink_unicast+0x449/0x710 [ 2335.629113][ T10] netlink_sendmsg+0x723/0xbe0 [ 2335.629113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2335.629113][ T10] ___sys_sendmsg+0xee/0x170 [ 2335.629113][ T10] __sys_sendmsg+0xcd/0x170 [ 2335.629113][ T10] do_syscall_64+0xc6/0x1e0 [ 2335.629113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2335.629113][ T10] [ 2335.631328][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2335.631328][ T10] netdev_get_by_index+0x5e/0x80 [ 2335.631328][ T10] fib6_nh_init+0x3d8/0x1580 [ 2335.631328][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2335.631328][ T10] ip6_route_add+0x1c/0x140 [ 2335.631328][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2335.631328][ T10] addrconf_add_dev+0xe2/0x170 [ 2335.631328][ T10] inet6_addr_add+0x12f/0xa40 [ 2335.631328][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2335.631328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2335.631328][ T10] netlink_rcv_skb+0x130/0x360 [ 2335.631328][ T10] netlink_unicast+0x449/0x710 [ 2335.631328][ T10] netlink_sendmsg+0x723/0xbe0 [ 2335.631328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2335.631328][ T10] ___sys_sendmsg+0xee/0x170 [ 2335.631328][ T10] __sys_sendmsg+0xcd/0x170 [ 2335.631328][ T10] do_syscall_64+0xc6/0x1e0 [ 2335.631328][ T10] [ 2335.633592][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2335.633592][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2335.633592][ T10] ipv6_find_idev+0x102/0x170 [ 2335.633592][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2335.633592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2335.633592][ T10] netlink_rcv_skb+0x130/0x360 [ 2335.633592][ T10] netlink_unicast+0x449/0x710 [ 2335.633592][ T10] netlink_sendmsg+0x723/0xbe0 [ 2335.633592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2335.633592][ T10] ___sys_sendmsg+0xee/0x170 [ 2335.633592][ T10] __sys_sendmsg+0xcd/0x170 [ 2335.633592][ T10] do_syscall_64+0xc6/0x1e0 [ 2335.633592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2335.633592][ T10] [ 2335.635475][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2335.635475][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2335.635475][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2335.635475][ T10] ipv6_find_idev+0x102/0x170 [ 2335.635475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2335.635475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2335.635475][ T10] netlink_rcv_skb+0x130/0x360 [ 2335.635475][ T10] netlink_unicast+0x449/0x710 [ 2335.635475][ T10] netlink_sendmsg+0x723/0xbe0 [ 2335.635475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2335.635475][ T10] ___sys_sendmsg+0xee/0x170 [ 2335.635475][ T10] __sys_sendmsg+0xcd/0x170 [ 2335.635475][ T10] do_syscall_64+0xc6/0x1e0 [ 2335.635475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2335.635475][ T10] [ 2335.637429][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2335.637666][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2335.637666][ T10] netdev_get_by_index+0x5e/0x80 [ 2335.637666][ T10] fib6_nh_init+0x3d8/0x1580 [ 2335.637666][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2335.637666][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2335.637666][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2335.637666][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2335.637666][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2335.637666][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2335.637666][ T10] addrconf_dad_begin+0x310/0x670 [ 2335.637666][ T10] addrconf_dad_work+0x10b/0xab0 [ 2335.637666][ T10] process_one_work+0x84d/0x18a0 [ 2335.637666][ T10] worker_thread+0x587/0xd30 [ 2335.637666][ T10] kthread+0x28a/0x350 [ 2335.637666][ T10] ret_from_fork+0x31/0x70 [ 2335.637666][ T10] ret_from_fork_asm+0x1a/0x30 [ 2335.637666][ T10] [ 2335.639959][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2335.639959][ T10] netdev_get_by_index+0x5e/0x80 [ 2335.639959][ T10] fib6_nh_init+0x3d8/0x1580 [ 2335.639959][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2335.639959][ T10] ip6_route_add+0x1c/0x140 [ 2335.639959][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2335.639959][ T10] inet6_addr_add+0x4f8/0xa40 [ 2335.639959][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2335.639959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2335.639959][ T10] netlink_rcv_skb+0x130/0x360 [ 2335.639959][ T10] netlink_unicast+0x449/0x710 [ 2335.639959][ T10] netlink_sendmsg+0x723/0xbe0 [ 2335.639959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2335.639959][ T10] ___sys_sendmsg+0xee/0x170 [ 2335.639959][ T10] __sys_sendmsg+0xcd/0x170 [ 2335.639959][ T10] do_syscall_64+0xc6/0x1e0 [ 2335.639959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2335.639959][ T10] [ 2335.642268][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2335.642268][ T10] netdev_get_by_index+0x5e/0x80 [ 2335.642268][ T10] fib6_nh_init+0x3d8/0x1580 [ 2335.642268][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2335.642268][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2335.642268][ T10] ipv6_add_addr+0x411/0x2000 [ 2335.642268][ T10] inet6_addr_add+0x30e/0xa40 [ 2335.642268][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2335.642268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2335.642268][ T10] netlink_rcv_skb+0x130/0x360 [ 2335.642268][ T10] netlink_unicast+0x449/0x710 [ 2335.642268][ T10] netlink_sendmsg+0x723/0xbe0 [ 2335.642268][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2335.642268][ T10] ___sys_sendmsg+0xee/0x170 [ 2335.642268][ T10] __sys_sendmsg+0xcd/0x170 [ 2335.642268][ T10] do_syscall_64+0xc6/0x1e0 [ 2335.642268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2335.642268][ T10] [ 2335.644637][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2335.644637][ T10] netdev_get_by_index+0x5e/0x80 [ 2335.644637][ T10] fib6_nh_init+0x3d8/0x1580 [ 2335.644637][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2335.644637][ T10] ip6_route_add+0x1c/0x140 [ 2335.644637][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2335.644637][ T10] addrconf_add_dev+0xe2/0x170 [ 2335.644637][ T10] inet6_addr_add+0x12f/0xa40 [ 2335.644637][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2335.644637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2335.644637][ T10] netlink_rcv_skb+0x130/0x360 [ 2335.644637][ T10] netlink_unicast+0x449/0x710 [ 2335.644637][ T10] netlink_sendmsg+0x723/0xbe0 [ 2335.644637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2335.644637][ T10] ___sys_sendmsg+0xee/0x170 [ 2335.644637][ T10] __sys_sendmsg+0xcd/0x170 [ 2335.644637][ T10] do_syscall_64+0xc6/0x1e0 [ 2335.644637][ T10] [ 2335.646869][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2335.646869][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2335.646869][ T10] ipv6_find_idev+0x102/0x170 [ 2335.646869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2335.646869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2335.646869][ T10] netlink_rcv_skb+0x130/0x360 [ 2335.646869][ T10] netlink_unicast+0x449/0x710 [ 2335.646869][ T10] netlink_sendmsg+0x723/0xbe0 [ 2335.646869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2335.646869][ T10] ___sys_sendmsg+0xee/0x170 [ 2335.646869][ T10] __sys_sendmsg+0xcd/0x170 [ 2335.646869][ T10] do_syscall_64+0xc6/0x1e0 [ 2335.646869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2335.646869][ T10] [ 2335.648719][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2335.648719][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2335.648719][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2335.648719][ T10] ipv6_find_idev+0x102/0x170 [ 2335.648719][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2335.648719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2335.648719][ T10] netlink_rcv_skb+0x130/0x360 [ 2335.648719][ T10] netlink_unicast+0x449/0x710 [ 2335.648719][ T10] netlink_sendmsg+0x723/0xbe0 [ 2335.648719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2335.648719][ T10] ___sys_sendmsg+0xee/0x170 [ 2335.648719][ T10] __sys_sendmsg+0xcd/0x170 [ 2335.648719][ T10] do_syscall_64+0xc6/0x1e0 [ 2335.648719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2335.648719][ T10] [ 2339.945144][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2339.945578][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2339.945578][ T1167] dst_init+0x84/0x4a0 [ 2339.945578][ T1167] dst_alloc+0x97/0x150 [ 2339.945578][ T1167] ip6_dst_alloc+0x23/0x90 [ 2339.945578][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2339.945578][ T1167] ip6_pol_route+0x56f/0x840 [ 2339.945578][ T1167] fib6_rule_lookup+0x334/0x630 [ 2339.945578][ T1167] ip6_route_output_flags+0x259/0x480 [ 2339.945578][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2339.945578][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2339.945578][ T1167] netlink_rcv_skb+0x130/0x360 [ 2339.945578][ T1167] netlink_unicast+0x449/0x710 [ 2339.945578][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2339.945578][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2339.945578][ T1167] ___sys_sendmsg+0xee/0x170 [ 2339.945578][ T1167] __sys_sendmsg+0xcd/0x170 [ 2339.945578][ T1167] do_syscall_64+0xc6/0x1e0 [ 2339.945578][ T1167] [ 2339.947808][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2339.947808][ T1167] netdev_get_by_index+0x5e/0x80 [ 2339.947808][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2339.947808][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2339.947808][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2339.947808][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2339.947808][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2339.947808][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2339.947808][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2339.947808][ T1167] addrconf_dad_begin+0x310/0x670 [ 2339.947808][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2339.947808][ T1167] process_one_work+0x84d/0x18a0 [ 2339.947808][ T1167] worker_thread+0x587/0xd30 [ 2339.947808][ T1167] kthread+0x28a/0x350 [ 2339.947808][ T1167] ret_from_fork+0x31/0x70 [ 2339.947808][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2339.947808][ T1167] [ 2339.949973][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2339.949973][ T1167] netdev_get_by_index+0x5e/0x80 [ 2339.949973][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2339.949973][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2339.949973][ T1167] ip6_route_add+0x1c/0x140 [ 2339.949973][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2339.949973][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2339.949973][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2339.949973][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2339.949973][ T1167] netlink_rcv_skb+0x130/0x360 [ 2339.949973][ T1167] netlink_unicast+0x449/0x710 [ 2339.949973][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2339.949973][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2339.949973][ T1167] ___sys_sendmsg+0xee/0x170 [ 2339.949973][ T1167] __sys_sendmsg+0xcd/0x170 [ 2339.949973][ T1167] do_syscall_64+0xc6/0x1e0 [ 2339.949973][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2339.949973][ T1167] [ 2339.952242][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2339.952242][ T1167] netdev_get_by_index+0x5e/0x80 [ 2339.952242][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2339.952242][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2339.952242][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2339.952242][ T1167] ipv6_add_addr+0x411/0x2000 [ 2339.952242][ T1167] inet6_addr_add+0x30e/0xa40 [ 2339.952242][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2339.952242][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2339.952242][ T1167] netlink_rcv_skb+0x130/0x360 [ 2339.952242][ T1167] netlink_unicast+0x449/0x710 [ 2339.952242][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2339.952242][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2339.952242][ T1167] ___sys_sendmsg+0xee/0x170 [ 2339.952242][ T1167] __sys_sendmsg+0xcd/0x170 [ 2339.952242][ T1167] do_syscall_64+0xc6/0x1e0 [ 2339.952242][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2339.952242][ T1167] [ 2339.954513][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2339.954513][ T1167] netdev_get_by_index+0x5e/0x80 [ 2339.954513][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2339.954513][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2339.954513][ T1167] ip6_route_add+0x1c/0x140 [ 2339.954513][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2339.954513][ T1167] addrconf_add_dev+0xe2/0x170 [ 2339.954513][ T1167] inet6_addr_add+0x12f/0xa40 [ 2339.954513][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2339.954513][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2339.954513][ T1167] netlink_rcv_skb+0x130/0x360 [ 2339.954513][ T1167] netlink_unicast+0x449/0x710 [ 2339.954513][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2339.954513][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2339.954513][ T1167] ___sys_sendmsg+0xee/0x170 [ 2339.954513][ T1167] __sys_sendmsg+0xcd/0x170 [ 2339.954513][ T1167] do_syscall_64+0xc6/0x1e0 [ 2339.954513][ T1167] [ 2339.956748][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2339.956748][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2339.956748][ T1167] ipv6_find_idev+0x102/0x170 [ 2339.956748][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2339.956748][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2339.956748][ T1167] netlink_rcv_skb+0x130/0x360 [ 2339.956748][ T1167] netlink_unicast+0x449/0x710 [ 2339.956748][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2339.956748][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2339.956748][ T1167] ___sys_sendmsg+0xee/0x170 [ 2339.956748][ T1167] __sys_sendmsg+0xcd/0x170 [ 2339.956748][ T1167] do_syscall_64+0xc6/0x1e0 [ 2339.956748][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2339.956748][ T1167] [ 2339.958494][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2339.958494][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2339.958494][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2339.958494][ T1167] ipv6_find_idev+0x102/0x170 [ 2339.958494][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2339.958494][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2339.958494][ T1167] netlink_rcv_skb+0x130/0x360 [ 2339.958494][ T1167] netlink_unicast+0x449/0x710 [ 2339.958494][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2339.958494][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2339.958494][ T1167] ___sys_sendmsg+0xee/0x170 [ 2339.958494][ T1167] __sys_sendmsg+0xcd/0x170 [ 2339.958494][ T1167] do_syscall_64+0xc6/0x1e0 [ 2339.958494][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2339.958494][ T1167] [ 2345.889117][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2345.889529][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2345.889529][ T10] netdev_get_by_index+0x5e/0x80 [ 2345.889529][ T10] fib6_nh_init+0x3d8/0x1580 [ 2345.889529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2345.889529][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2345.889529][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2345.889529][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2345.889529][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2345.889529][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2345.889529][ T10] addrconf_dad_begin+0x310/0x670 [ 2345.889529][ T10] addrconf_dad_work+0x10b/0xab0 [ 2345.889529][ T10] process_one_work+0x84d/0x18a0 [ 2345.889529][ T10] worker_thread+0x587/0xd30 [ 2345.889529][ T10] kthread+0x28a/0x350 [ 2345.889529][ T10] ret_from_fork+0x31/0x70 [ 2345.889529][ T10] ret_from_fork_asm+0x1a/0x30 [ 2345.889529][ T10] [ 2345.891438][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2345.891438][ T10] netdev_get_by_index+0x5e/0x80 [ 2345.891438][ T10] fib6_nh_init+0x3d8/0x1580 [ 2345.891438][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2345.891438][ T10] ip6_route_add+0x1c/0x140 [ 2345.891438][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2345.891438][ T10] inet6_addr_add+0x4f8/0xa40 [ 2345.891438][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2345.891438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2345.891438][ T10] netlink_rcv_skb+0x130/0x360 [ 2345.891438][ T10] netlink_unicast+0x449/0x710 [ 2345.891438][ T10] netlink_sendmsg+0x723/0xbe0 [ 2345.891438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2345.891438][ T10] ___sys_sendmsg+0xee/0x170 [ 2345.891438][ T10] __sys_sendmsg+0xcd/0x170 [ 2345.891438][ T10] do_syscall_64+0xc6/0x1e0 [ 2345.891438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2345.891438][ T10] [ 2345.893416][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2345.893416][ T10] netdev_get_by_index+0x5e/0x80 [ 2345.893416][ T10] fib6_nh_init+0x3d8/0x1580 [ 2345.893416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2345.893416][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2345.893416][ T10] ipv6_add_addr+0x411/0x2000 [ 2345.893416][ T10] inet6_addr_add+0x30e/0xa40 [ 2345.893416][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2345.893416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2345.893416][ T10] netlink_rcv_skb+0x130/0x360 [ 2345.893416][ T10] netlink_unicast+0x449/0x710 [ 2345.893416][ T10] netlink_sendmsg+0x723/0xbe0 [ 2345.893416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2345.893416][ T10] ___sys_sendmsg+0xee/0x170 [ 2345.893416][ T10] __sys_sendmsg+0xcd/0x170 [ 2345.893416][ T10] do_syscall_64+0xc6/0x1e0 [ 2345.893416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2345.893416][ T10] [ 2345.895403][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2345.895403][ T10] netdev_get_by_index+0x5e/0x80 [ 2345.895403][ T10] fib6_nh_init+0x3d8/0x1580 [ 2345.895403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2345.895403][ T10] ip6_route_add+0x1c/0x140 [ 2345.895403][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2345.895403][ T10] addrconf_add_dev+0xe2/0x170 [ 2345.895403][ T10] inet6_addr_add+0x12f/0xa40 [ 2345.895403][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2345.895403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2345.895403][ T10] netlink_rcv_skb+0x130/0x360 [ 2345.895403][ T10] netlink_unicast+0x449/0x710 [ 2345.895403][ T10] netlink_sendmsg+0x723/0xbe0 [ 2345.895403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2345.895403][ T10] ___sys_sendmsg+0xee/0x170 [ 2345.895403][ T10] __sys_sendmsg+0xcd/0x170 [ 2345.895403][ T10] do_syscall_64+0xc6/0x1e0 [ 2345.895403][ T10] [ 2345.897359][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2345.897359][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2345.897359][ T10] ipv6_find_idev+0x102/0x170 [ 2345.897359][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2345.897359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2345.897359][ T10] netlink_rcv_skb+0x130/0x360 [ 2345.897359][ T10] netlink_unicast+0x449/0x710 [ 2345.897359][ T10] netlink_sendmsg+0x723/0xbe0 [ 2345.897359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2345.897359][ T10] ___sys_sendmsg+0xee/0x170 [ 2345.897359][ T10] __sys_sendmsg+0xcd/0x170 [ 2345.897359][ T10] do_syscall_64+0xc6/0x1e0 [ 2345.897359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2345.897359][ T10] [ 2345.898879][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2345.898879][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2345.898879][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2345.898879][ T10] ipv6_find_idev+0x102/0x170 [ 2345.898879][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2345.898879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2345.898879][ T10] netlink_rcv_skb+0x130/0x360 [ 2345.898879][ T10] netlink_unicast+0x449/0x710 [ 2345.898879][ T10] netlink_sendmsg+0x723/0xbe0 [ 2345.898879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2345.898879][ T10] ___sys_sendmsg+0xee/0x170 [ 2345.898879][ T10] __sys_sendmsg+0xcd/0x170 [ 2345.898879][ T10] do_syscall_64+0xc6/0x1e0 [ 2345.898879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2345.898879][ T10] [ 2345.900552][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2345.900791][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2345.900791][ T10] netdev_get_by_index+0x5e/0x80 [ 2345.900791][ T10] fib6_nh_init+0x3d8/0x1580 [ 2345.900791][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2345.900791][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2345.900791][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2345.900791][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2345.900791][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2345.900791][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2345.900791][ T10] addrconf_dad_begin+0x310/0x670 [ 2345.900791][ T10] addrconf_dad_work+0x10b/0xab0 [ 2345.900791][ T10] process_one_work+0x84d/0x18a0 [ 2345.900791][ T10] worker_thread+0x587/0xd30 [ 2345.900791][ T10] kthread+0x28a/0x350 [ 2345.900791][ T10] ret_from_fork+0x31/0x70 [ 2345.900791][ T10] ret_from_fork_asm+0x1a/0x30 [ 2345.900791][ T10] [ 2345.902687][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2345.902687][ T10] netdev_get_by_index+0x5e/0x80 [ 2345.902687][ T10] fib6_nh_init+0x3d8/0x1580 [ 2345.902687][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2345.902687][ T10] ip6_route_add+0x1c/0x140 [ 2345.902687][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2345.902687][ T10] inet6_addr_add+0x4f8/0xa40 [ 2345.902687][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2345.902687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2345.902687][ T10] netlink_rcv_skb+0x130/0x360 [ 2345.902687][ T10] netlink_unicast+0x449/0x710 [ 2345.902687][ T10] netlink_sendmsg+0x723/0xbe0 [ 2345.902687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2345.902687][ T10] ___sys_sendmsg+0xee/0x170 [ 2345.902687][ T10] __sys_sendmsg+0xcd/0x170 [ 2345.902687][ T10] do_syscall_64+0xc6/0x1e0 [ 2345.902687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2345.902687][ T10] [ 2345.904657][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2345.904657][ T10] netdev_get_by_index+0x5e/0x80 [ 2345.904657][ T10] fib6_nh_init+0x3d8/0x1580 [ 2345.904657][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2345.904657][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2345.904657][ T10] ipv6_add_addr+0x411/0x2000 [ 2345.904657][ T10] inet6_addr_add+0x30e/0xa40 [ 2345.904657][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2345.904657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2345.904657][ T10] netlink_rcv_skb+0x130/0x360 [ 2345.904657][ T10] netlink_unicast+0x449/0x710 [ 2345.904657][ T10] netlink_sendmsg+0x723/0xbe0 [ 2345.904657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2345.904657][ T10] ___sys_sendmsg+0xee/0x170 [ 2345.904657][ T10] __sys_sendmsg+0xcd/0x170 [ 2345.904657][ T10] do_syscall_64+0xc6/0x1e0 [ 2345.904657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2345.904657][ T10] [ 2345.906633][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2345.906633][ T10] netdev_get_by_index+0x5e/0x80 [ 2345.906633][ T10] fib6_nh_init+0x3d8/0x1580 [ 2345.906633][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2345.906633][ T10] ip6_route_add+0x1c/0x140 [ 2345.906633][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2345.906633][ T10] addrconf_add_dev+0xe2/0x170 [ 2345.906633][ T10] inet6_addr_add+0x12f/0xa40 [ 2345.906633][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2345.906633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2345.906633][ T10] netlink_rcv_skb+0x130/0x360 [ 2345.906633][ T10] netlink_unicast+0x449/0x710 [ 2345.906633][ T10] netlink_sendmsg+0x723/0xbe0 [ 2345.906633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2345.906633][ T10] ___sys_sendmsg+0xee/0x170 [ 2345.906633][ T10] __sys_sendmsg+0xcd/0x170 [ 2345.906633][ T10] do_syscall_64+0xc6/0x1e0 [ 2345.906633][ T10] [ 2345.908587][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2345.908587][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2345.908587][ T10] ipv6_find_idev+0x102/0x170 [ 2345.908587][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2345.908587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2345.908587][ T10] netlink_rcv_skb+0x130/0x360 [ 2345.908587][ T10] netlink_unicast+0x449/0x710 [ 2345.908587][ T10] netlink_sendmsg+0x723/0xbe0 [ 2345.908587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2345.908587][ T10] ___sys_sendmsg+0xee/0x170 [ 2345.908587][ T10] __sys_sendmsg+0xcd/0x170 [ 2345.908587][ T10] do_syscall_64+0xc6/0x1e0 [ 2345.908587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2345.908587][ T10] [ 2345.910102][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2345.910102][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2345.910102][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2345.910102][ T10] ipv6_find_idev+0x102/0x170 [ 2345.910102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2345.910102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2345.910102][ T10] netlink_rcv_skb+0x130/0x360 [ 2345.910102][ T10] netlink_unicast+0x449/0x710 [ 2345.910102][ T10] netlink_sendmsg+0x723/0xbe0 [ 2345.910102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2345.910102][ T10] ___sys_sendmsg+0xee/0x170 [ 2345.910102][ T10] __sys_sendmsg+0xcd/0x170 [ 2345.910102][ T10] do_syscall_64+0xc6/0x1e0 [ 2345.910102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2345.910102][ T10] [ 2345.911763][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2345.912002][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2345.912002][ T10] netdev_get_by_index+0x5e/0x80 [ 2345.912002][ T10] fib6_nh_init+0x3d8/0x1580 [ 2345.912002][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2345.912002][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2345.912002][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2345.912002][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2345.912002][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2345.912002][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2345.912002][ T10] addrconf_dad_begin+0x310/0x670 [ 2345.912002][ T10] addrconf_dad_work+0x10b/0xab0 [ 2345.912002][ T10] process_one_work+0x84d/0x18a0 [ 2345.912002][ T10] worker_thread+0x587/0xd30 [ 2345.912002][ T10] kthread+0x28a/0x350 [ 2345.912002][ T10] ret_from_fork+0x31/0x70 [ 2345.912002][ T10] ret_from_fork_asm+0x1a/0x30 [ 2345.912002][ T10] [ 2345.913884][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2345.913884][ T10] netdev_get_by_index+0x5e/0x80 [ 2345.913884][ T10] fib6_nh_init+0x3d8/0x1580 [ 2345.913884][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2345.913884][ T10] ip6_route_add+0x1c/0x140 [ 2345.913884][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2345.913884][ T10] inet6_addr_add+0x4f8/0xa40 [ 2345.913884][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2345.913884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2345.913884][ T10] netlink_rcv_skb+0x130/0x360 [ 2345.913884][ T10] netlink_unicast+0x449/0x710 [ 2345.913884][ T10] netlink_sendmsg+0x723/0xbe0 [ 2345.913884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2345.913884][ T10] ___sys_sendmsg+0xee/0x170 [ 2345.913884][ T10] __sys_sendmsg+0xcd/0x170 [ 2345.913884][ T10] do_syscall_64+0xc6/0x1e0 [ 2345.913884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2345.913884][ T10] [ 2345.916075][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2345.916075][ T10] netdev_get_by_index+0x5e/0x80 [ 2345.916075][ T10] fib6_nh_init+0x3d8/0x1580 [ 2345.916075][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2345.916075][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2345.916075][ T10] ipv6_add_addr+0x411/0x2000 [ 2345.916075][ T10] inet6_addr_add+0x30e/0xa40 [ 2345.916075][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2345.916075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2345.916075][ T10] netlink_rcv_skb+0x130/0x360 [ 2345.916075][ T10] netlink_unicast+0x449/0x710 [ 2345.916075][ T10] netlink_sendmsg+0x723/0xbe0 [ 2345.916075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2345.916075][ T10] ___sys_sendmsg+0xee/0x170 [ 2345.916075][ T10] __sys_sendmsg+0xcd/0x170 [ 2345.916075][ T10] do_syscall_64+0xc6/0x1e0 [ 2345.916075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2345.916075][ T10] [ 2345.918295][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2345.918295][ T10] netdev_get_by_index+0x5e/0x80 [ 2345.918295][ T10] fib6_nh_init+0x3d8/0x1580 [ 2345.918295][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2345.918295][ T10] ip6_route_add+0x1c/0x140 [ 2345.918295][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2345.918295][ T10] addrconf_add_dev+0xe2/0x170 [ 2345.918295][ T10] inet6_addr_add+0x12f/0xa40 [ 2345.918295][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2345.918295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2345.918295][ T10] netlink_rcv_skb+0x130/0x360 [ 2345.918295][ T10] netlink_unicast+0x449/0x710 [ 2345.918295][ T10] netlink_sendmsg+0x723/0xbe0 [ 2345.918295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2345.918295][ T10] ___sys_sendmsg+0xee/0x170 [ 2345.918295][ T10] __sys_sendmsg+0xcd/0x170 [ 2345.918295][ T10] do_syscall_64+0xc6/0x1e0 [ 2345.918295][ T10] [ 2345.920577][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2345.920577][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2345.920577][ T10] ipv6_find_idev+0x102/0x170 [ 2345.920577][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2345.920577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2345.920577][ T10] netlink_rcv_skb+0x130/0x360 [ 2345.920577][ T10] netlink_unicast+0x449/0x710 [ 2345.920577][ T10] netlink_sendmsg+0x723/0xbe0 [ 2345.920577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2345.920577][ T10] ___sys_sendmsg+0xee/0x170 [ 2345.920577][ T10] __sys_sendmsg+0xcd/0x170 [ 2345.920577][ T10] do_syscall_64+0xc6/0x1e0 [ 2345.920577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2345.920577][ T10] [ 2345.922277][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2345.922277][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2345.922277][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2345.922277][ T10] ipv6_find_idev+0x102/0x170 [ 2345.922277][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2345.922277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2345.922277][ T10] netlink_rcv_skb+0x130/0x360 [ 2345.922277][ T10] netlink_unicast+0x449/0x710 [ 2345.922277][ T10] netlink_sendmsg+0x723/0xbe0 [ 2345.922277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2345.922277][ T10] ___sys_sendmsg+0xee/0x170 [ 2345.922277][ T10] __sys_sendmsg+0xcd/0x170 [ 2345.922277][ T10] do_syscall_64+0xc6/0x1e0 [ 2345.922277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2345.922277][ T10] [ 2345.924117][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2345.924349][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2345.924349][ T10] netdev_get_by_index+0x5e/0x80 [ 2345.924349][ T10] fib6_nh_init+0x3d8/0x1580 [ 2345.924349][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2345.924349][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2345.924349][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2345.924349][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2345.924349][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2345.924349][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2345.924349][ T10] addrconf_dad_begin+0x310/0x670 [ 2345.924349][ T10] addrconf_dad_work+0x10b/0xab0 [ 2345.924349][ T10] process_one_work+0x84d/0x18a0 [ 2345.924349][ T10] worker_thread+0x587/0xd30 [ 2345.924349][ T10] kthread+0x28a/0x350 [ 2345.924349][ T10] ret_from_fork+0x31/0x70 [ 2345.924349][ T10] ret_from_fork_asm+0x1a/0x30 [ 2345.924349][ T10] [ 2345.926487][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2345.926487][ T10] netdev_get_by_index+0x5e/0x80 [ 2345.926487][ T10] fib6_nh_init+0x3d8/0x1580 [ 2345.926487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2345.926487][ T10] ip6_route_add+0x1c/0x140 [ 2345.926487][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2345.926487][ T10] inet6_addr_add+0x4f8/0xa40 [ 2345.926487][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2345.926487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2345.926487][ T10] netlink_rcv_skb+0x130/0x360 [ 2345.926487][ T10] netlink_unicast+0x449/0x710 [ 2345.926487][ T10] netlink_sendmsg+0x723/0xbe0 [ 2345.926487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2345.926487][ T10] ___sys_sendmsg+0xee/0x170 [ 2345.926487][ T10] __sys_sendmsg+0xcd/0x170 [ 2345.926487][ T10] do_syscall_64+0xc6/0x1e0 [ 2345.926487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2345.926487][ T10] [ 2345.928714][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2345.928714][ T10] netdev_get_by_index+0x5e/0x80 [ 2345.928714][ T10] fib6_nh_init+0x3d8/0x1580 [ 2345.928714][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2345.928714][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2345.928714][ T10] ipv6_add_addr+0x411/0x2000 [ 2345.928714][ T10] inet6_addr_add+0x30e/0xa40 [ 2345.928714][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2345.928714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2345.928714][ T10] netlink_rcv_skb+0x130/0x360 [ 2345.928714][ T10] netlink_unicast+0x449/0x710 [ 2345.928714][ T10] netlink_sendmsg+0x723/0xbe0 [ 2345.928714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2345.928714][ T10] ___sys_sendmsg+0xee/0x170 [ 2345.928714][ T10] __sys_sendmsg+0xcd/0x170 [ 2345.928714][ T10] do_syscall_64+0xc6/0x1e0 [ 2345.928714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2345.928714][ T10] [ 2345.930876][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2345.930876][ T10] netdev_get_by_index+0x5e/0x80 [ 2345.930876][ T10] fib6_nh_init+0x3d8/0x1580 [ 2345.930876][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2345.930876][ T10] ip6_route_add+0x1c/0x140 [ 2345.930876][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2345.930876][ T10] addrconf_add_dev+0xe2/0x170 [ 2345.930876][ T10] inet6_addr_add+0x12f/0xa40 [ 2345.930876][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2345.930876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2345.930876][ T10] netlink_rcv_skb+0x130/0x360 [ 2345.930876][ T10] netlink_unicast+0x449/0x710 [ 2345.930876][ T10] netlink_sendmsg+0x723/0xbe0 [ 2345.930876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2345.930876][ T10] ___sys_sendmsg+0xee/0x170 [ 2345.930876][ T10] __sys_sendmsg+0xcd/0x170 [ 2345.930876][ T10] do_syscall_64+0xc6/0x1e0 [ 2345.930876][ T10] [ 2345.933015][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2345.933015][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2345.933015][ T10] ipv6_find_idev+0x102/0x170 [ 2345.933015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2345.933015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2345.933015][ T10] netlink_rcv_skb+0x130/0x360 [ 2345.933015][ T10] netlink_unicast+0x449/0x710 [ 2345.933015][ T10] netlink_sendmsg+0x723/0xbe0 [ 2345.933015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2345.933015][ T10] ___sys_sendmsg+0xee/0x170 [ 2345.933015][ T10] __sys_sendmsg+0xcd/0x170 [ 2345.933015][ T10] do_syscall_64+0xc6/0x1e0 [ 2345.933015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2345.933015][ T10] [ 2345.934722][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2345.934722][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2345.934722][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2345.934722][ T10] ipv6_find_idev+0x102/0x170 [ 2345.934722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2345.934722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2345.934722][ T10] netlink_rcv_skb+0x130/0x360 [ 2345.934722][ T10] netlink_unicast+0x449/0x710 [ 2345.934722][ T10] netlink_sendmsg+0x723/0xbe0 [ 2345.934722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2345.934722][ T10] ___sys_sendmsg+0xee/0x170 [ 2345.934722][ T10] __sys_sendmsg+0xcd/0x170 [ 2345.934722][ T10] do_syscall_64+0xc6/0x1e0 [ 2345.934722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2345.934722][ T10] [ 2350.209149][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2350.209564][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2350.209564][ T1167] dst_init+0x84/0x4a0 [ 2350.209564][ T1167] dst_alloc+0x97/0x150 [ 2350.209564][ T1167] ip6_dst_alloc+0x23/0x90 [ 2350.209564][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2350.209564][ T1167] ip6_pol_route+0x56f/0x840 [ 2350.209564][ T1167] fib6_rule_lookup+0x334/0x630 [ 2350.209564][ T1167] ip6_route_output_flags+0x259/0x480 [ 2350.209564][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2350.209564][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2350.209564][ T1167] netlink_rcv_skb+0x130/0x360 [ 2350.209564][ T1167] netlink_unicast+0x449/0x710 [ 2350.209564][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2350.209564][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2350.209564][ T1167] ___sys_sendmsg+0xee/0x170 [ 2350.209564][ T1167] __sys_sendmsg+0xcd/0x170 [ 2350.209564][ T1167] do_syscall_64+0xc6/0x1e0 [ 2350.209564][ T1167] [ 2350.211757][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2350.211757][ T1167] netdev_get_by_index+0x5e/0x80 [ 2350.211757][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2350.211757][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2350.211757][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2350.211757][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2350.211757][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2350.211757][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2350.211757][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2350.211757][ T1167] addrconf_dad_begin+0x310/0x670 [ 2350.211757][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2350.211757][ T1167] process_one_work+0x84d/0x18a0 [ 2350.211757][ T1167] worker_thread+0x587/0xd30 [ 2350.211757][ T1167] kthread+0x28a/0x350 [ 2350.211757][ T1167] ret_from_fork+0x31/0x70 [ 2350.211757][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2350.211757][ T1167] [ 2350.213928][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2350.213928][ T1167] netdev_get_by_index+0x5e/0x80 [ 2350.213928][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2350.213928][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2350.213928][ T1167] ip6_route_add+0x1c/0x140 [ 2350.213928][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2350.213928][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2350.213928][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.213928][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.213928][ T1167] netlink_rcv_skb+0x130/0x360 [ 2350.213928][ T1167] netlink_unicast+0x449/0x710 [ 2350.213928][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2350.213928][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2350.213928][ T1167] ___sys_sendmsg+0xee/0x170 [ 2350.213928][ T1167] __sys_sendmsg+0xcd/0x170 [ 2350.213928][ T1167] do_syscall_64+0xc6/0x1e0 [ 2350.213928][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.213928][ T1167] [ 2350.216160][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2350.216160][ T1167] netdev_get_by_index+0x5e/0x80 [ 2350.216160][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2350.216160][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2350.216160][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2350.216160][ T1167] ipv6_add_addr+0x411/0x2000 [ 2350.216160][ T1167] inet6_addr_add+0x30e/0xa40 [ 2350.216160][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.216160][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.216160][ T1167] netlink_rcv_skb+0x130/0x360 [ 2350.216160][ T1167] netlink_unicast+0x449/0x710 [ 2350.216160][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2350.216160][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2350.216160][ T1167] ___sys_sendmsg+0xee/0x170 [ 2350.216160][ T1167] __sys_sendmsg+0xcd/0x170 [ 2350.216160][ T1167] do_syscall_64+0xc6/0x1e0 [ 2350.216160][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.216160][ T1167] [ 2350.218400][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2350.218400][ T1167] netdev_get_by_index+0x5e/0x80 [ 2350.218400][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2350.218400][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2350.218400][ T1167] ip6_route_add+0x1c/0x140 [ 2350.218400][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2350.218400][ T1167] addrconf_add_dev+0xe2/0x170 [ 2350.218400][ T1167] inet6_addr_add+0x12f/0xa40 [ 2350.218400][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.218400][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.218400][ T1167] netlink_rcv_skb+0x130/0x360 [ 2350.218400][ T1167] netlink_unicast+0x449/0x710 [ 2350.218400][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2350.218400][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2350.218400][ T1167] ___sys_sendmsg+0xee/0x170 [ 2350.218400][ T1167] __sys_sendmsg+0xcd/0x170 [ 2350.218400][ T1167] do_syscall_64+0xc6/0x1e0 [ 2350.218400][ T1167] [ 2350.220595][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2350.220595][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2350.220595][ T1167] ipv6_find_idev+0x102/0x170 [ 2350.220595][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2350.220595][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.220595][ T1167] netlink_rcv_skb+0x130/0x360 [ 2350.220595][ T1167] netlink_unicast+0x449/0x710 [ 2350.220595][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2350.220595][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2350.220595][ T1167] ___sys_sendmsg+0xee/0x170 [ 2350.220595][ T1167] __sys_sendmsg+0xcd/0x170 [ 2350.220595][ T1167] do_syscall_64+0xc6/0x1e0 [ 2350.220595][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.220595][ T1167] [ 2350.222307][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2350.222307][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2350.222307][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2350.222307][ T1167] ipv6_find_idev+0x102/0x170 [ 2350.222307][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2350.222307][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.222307][ T1167] netlink_rcv_skb+0x130/0x360 [ 2350.222307][ T1167] netlink_unicast+0x449/0x710 [ 2350.222307][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2350.222307][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2350.222307][ T1167] ___sys_sendmsg+0xee/0x170 [ 2350.222307][ T1167] __sys_sendmsg+0xcd/0x170 [ 2350.222307][ T1167] do_syscall_64+0xc6/0x1e0 [ 2350.222307][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.222307][ T1167] [ 2356.177060][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2356.177406][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2356.177406][ T10] netdev_get_by_index+0x5e/0x80 [ 2356.177406][ T10] fib6_nh_init+0x3d8/0x1580 [ 2356.177406][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2356.177406][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2356.177406][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2356.177406][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2356.177406][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2356.177406][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2356.177406][ T10] addrconf_dad_begin+0x310/0x670 [ 2356.177406][ T10] addrconf_dad_work+0x10b/0xab0 [ 2356.177406][ T10] process_one_work+0x84d/0x18a0 [ 2356.177406][ T10] worker_thread+0x587/0xd30 [ 2356.177406][ T10] kthread+0x28a/0x350 [ 2356.177406][ T10] ret_from_fork+0x31/0x70 [ 2356.177406][ T10] ret_from_fork_asm+0x1a/0x30 [ 2356.177406][ T10] [ 2356.179324][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2356.179324][ T10] netdev_get_by_index+0x5e/0x80 [ 2356.179324][ T10] fib6_nh_init+0x3d8/0x1580 [ 2356.179324][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2356.179324][ T10] ip6_route_add+0x1c/0x140 [ 2356.179324][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2356.179324][ T10] inet6_addr_add+0x4f8/0xa40 [ 2356.179324][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2356.179324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2356.179324][ T10] netlink_rcv_skb+0x130/0x360 [ 2356.179324][ T10] netlink_unicast+0x449/0x710 [ 2356.179324][ T10] netlink_sendmsg+0x723/0xbe0 [ 2356.179324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2356.179324][ T10] ___sys_sendmsg+0xee/0x170 [ 2356.179324][ T10] __sys_sendmsg+0xcd/0x170 [ 2356.179324][ T10] do_syscall_64+0xc6/0x1e0 [ 2356.179324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2356.179324][ T10] [ 2356.181317][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2356.181317][ T10] netdev_get_by_index+0x5e/0x80 [ 2356.181317][ T10] fib6_nh_init+0x3d8/0x1580 [ 2356.181317][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2356.181317][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2356.181317][ T10] ipv6_add_addr+0x411/0x2000 [ 2356.181317][ T10] inet6_addr_add+0x30e/0xa40 [ 2356.181317][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2356.181317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2356.181317][ T10] netlink_rcv_skb+0x130/0x360 [ 2356.181317][ T10] netlink_unicast+0x449/0x710 [ 2356.181317][ T10] netlink_sendmsg+0x723/0xbe0 [ 2356.181317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2356.181317][ T10] ___sys_sendmsg+0xee/0x170 [ 2356.181317][ T10] __sys_sendmsg+0xcd/0x170 [ 2356.181317][ T10] do_syscall_64+0xc6/0x1e0 [ 2356.181317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2356.181317][ T10] [ 2356.183297][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2356.183297][ T10] netdev_get_by_index+0x5e/0x80 [ 2356.183297][ T10] fib6_nh_init+0x3d8/0x1580 [ 2356.183297][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2356.183297][ T10] ip6_route_add+0x1c/0x140 [ 2356.183297][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2356.183297][ T10] addrconf_add_dev+0xe2/0x170 [ 2356.183297][ T10] inet6_addr_add+0x12f/0xa40 [ 2356.183297][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2356.183297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2356.183297][ T10] netlink_rcv_skb+0x130/0x360 [ 2356.183297][ T10] netlink_unicast+0x449/0x710 [ 2356.183297][ T10] netlink_sendmsg+0x723/0xbe0 [ 2356.183297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2356.183297][ T10] ___sys_sendmsg+0xee/0x170 [ 2356.183297][ T10] __sys_sendmsg+0xcd/0x170 [ 2356.183297][ T10] do_syscall_64+0xc6/0x1e0 [ 2356.183297][ T10] [ 2356.185254][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2356.185254][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2356.185254][ T10] ipv6_find_idev+0x102/0x170 [ 2356.185254][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2356.185254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2356.185254][ T10] netlink_rcv_skb+0x130/0x360 [ 2356.185254][ T10] netlink_unicast+0x449/0x710 [ 2356.185254][ T10] netlink_sendmsg+0x723/0xbe0 [ 2356.185254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2356.185254][ T10] ___sys_sendmsg+0xee/0x170 [ 2356.185254][ T10] __sys_sendmsg+0xcd/0x170 [ 2356.185254][ T10] do_syscall_64+0xc6/0x1e0 [ 2356.185254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2356.185254][ T10] [ 2356.186777][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2356.186777][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2356.186777][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2356.186777][ T10] ipv6_find_idev+0x102/0x170 [ 2356.186777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2356.186777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2356.186777][ T10] netlink_rcv_skb+0x130/0x360 [ 2356.186777][ T10] netlink_unicast+0x449/0x710 [ 2356.186777][ T10] netlink_sendmsg+0x723/0xbe0 [ 2356.186777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2356.186777][ T10] ___sys_sendmsg+0xee/0x170 [ 2356.186777][ T10] __sys_sendmsg+0xcd/0x170 [ 2356.186777][ T10] do_syscall_64+0xc6/0x1e0 [ 2356.186777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2356.186777][ T10] [ 2356.188460][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2356.188708][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2356.188708][ T10] netdev_get_by_index+0x5e/0x80 [ 2356.188708][ T10] fib6_nh_init+0x3d8/0x1580 [ 2356.188708][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2356.188708][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2356.188708][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2356.188708][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2356.188708][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2356.188708][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2356.188708][ T10] addrconf_dad_begin+0x310/0x670 [ 2356.188708][ T10] addrconf_dad_work+0x10b/0xab0 [ 2356.188708][ T10] process_one_work+0x84d/0x18a0 [ 2356.188708][ T10] worker_thread+0x587/0xd30 [ 2356.188708][ T10] kthread+0x28a/0x350 [ 2356.188708][ T10] ret_from_fork+0x31/0x70 [ 2356.188708][ T10] ret_from_fork_asm+0x1a/0x30 [ 2356.188708][ T10] [ 2356.190607][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2356.190607][ T10] netdev_get_by_index+0x5e/0x80 [ 2356.190607][ T10] fib6_nh_init+0x3d8/0x1580 [ 2356.190607][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2356.190607][ T10] ip6_route_add+0x1c/0x140 [ 2356.190607][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2356.190607][ T10] inet6_addr_add+0x4f8/0xa40 [ 2356.190607][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2356.190607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2356.190607][ T10] netlink_rcv_skb+0x130/0x360 [ 2356.190607][ T10] netlink_unicast+0x449/0x710 [ 2356.190607][ T10] netlink_sendmsg+0x723/0xbe0 [ 2356.190607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2356.190607][ T10] ___sys_sendmsg+0xee/0x170 [ 2356.190607][ T10] __sys_sendmsg+0xcd/0x170 [ 2356.190607][ T10] do_syscall_64+0xc6/0x1e0 [ 2356.190607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2356.190607][ T10] [ 2356.192589][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2356.192589][ T10] netdev_get_by_index+0x5e/0x80 [ 2356.192589][ T10] fib6_nh_init+0x3d8/0x1580 [ 2356.192589][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2356.192589][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2356.192589][ T10] ipv6_add_addr+0x411/0x2000 [ 2356.192589][ T10] inet6_addr_add+0x30e/0xa40 [ 2356.192589][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2356.192589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2356.192589][ T10] netlink_rcv_skb+0x130/0x360 [ 2356.192589][ T10] netlink_unicast+0x449/0x710 [ 2356.192589][ T10] netlink_sendmsg+0x723/0xbe0 [ 2356.192589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2356.192589][ T10] ___sys_sendmsg+0xee/0x170 [ 2356.192589][ T10] __sys_sendmsg+0xcd/0x170 [ 2356.192589][ T10] do_syscall_64+0xc6/0x1e0 [ 2356.192589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2356.192589][ T10] [ 2356.194574][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2356.194574][ T10] netdev_get_by_index+0x5e/0x80 [ 2356.194574][ T10] fib6_nh_init+0x3d8/0x1580 [ 2356.194574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2356.194574][ T10] ip6_route_add+0x1c/0x140 [ 2356.194574][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2356.194574][ T10] addrconf_add_dev+0xe2/0x170 [ 2356.194574][ T10] inet6_addr_add+0x12f/0xa40 [ 2356.194574][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2356.194574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2356.194574][ T10] netlink_rcv_skb+0x130/0x360 [ 2356.194574][ T10] netlink_unicast+0x449/0x710 [ 2356.194574][ T10] netlink_sendmsg+0x723/0xbe0 [ 2356.194574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2356.194574][ T10] ___sys_sendmsg+0xee/0x170 [ 2356.194574][ T10] __sys_sendmsg+0xcd/0x170 [ 2356.194574][ T10] do_syscall_64+0xc6/0x1e0 [ 2356.194574][ T10] [ 2356.196521][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2356.196521][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2356.196521][ T10] ipv6_find_idev+0x102/0x170 [ 2356.196521][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2356.196521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2356.196521][ T10] netlink_rcv_skb+0x130/0x360 [ 2356.196521][ T10] netlink_unicast+0x449/0x710 [ 2356.196521][ T10] netlink_sendmsg+0x723/0xbe0 [ 2356.196521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2356.196521][ T10] ___sys_sendmsg+0xee/0x170 [ 2356.196521][ T10] __sys_sendmsg+0xcd/0x170 [ 2356.196521][ T10] do_syscall_64+0xc6/0x1e0 [ 2356.196521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2356.196521][ T10] [ 2356.198054][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2356.198054][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2356.198054][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2356.198054][ T10] ipv6_find_idev+0x102/0x170 [ 2356.198054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2356.198054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2356.198054][ T10] netlink_rcv_skb+0x130/0x360 [ 2356.198054][ T10] netlink_unicast+0x449/0x710 [ 2356.198054][ T10] netlink_sendmsg+0x723/0xbe0 [ 2356.198054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2356.198054][ T10] ___sys_sendmsg+0xee/0x170 [ 2356.198054][ T10] __sys_sendmsg+0xcd/0x170 [ 2356.198054][ T10] do_syscall_64+0xc6/0x1e0 [ 2356.198054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2356.198054][ T10] [ 2356.199715][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2356.199958][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2356.199958][ T10] netdev_get_by_index+0x5e/0x80 [ 2356.199958][ T10] fib6_nh_init+0x3d8/0x1580 [ 2356.199958][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2356.199958][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2356.199958][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2356.199958][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2356.199958][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2356.199958][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2356.199958][ T10] addrconf_dad_begin+0x310/0x670 [ 2356.199958][ T10] addrconf_dad_work+0x10b/0xab0 [ 2356.199958][ T10] process_one_work+0x84d/0x18a0 [ 2356.199958][ T10] worker_thread+0x587/0xd30 [ 2356.199958][ T10] kthread+0x28a/0x350 [ 2356.199958][ T10] ret_from_fork+0x31/0x70 [ 2356.199958][ T10] ret_from_fork_asm+0x1a/0x30 [ 2356.199958][ T10] [ 2356.201851][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2356.201851][ T10] netdev_get_by_index+0x5e/0x80 [ 2356.201851][ T10] fib6_nh_init+0x3d8/0x1580 [ 2356.201851][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2356.201851][ T10] ip6_route_add+0x1c/0x140 [ 2356.201851][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2356.201851][ T10] inet6_addr_add+0x4f8/0xa40 [ 2356.201851][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2356.201851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2356.201851][ T10] netlink_rcv_skb+0x130/0x360 [ 2356.201851][ T10] netlink_unicast+0x449/0x710 [ 2356.201851][ T10] netlink_sendmsg+0x723/0xbe0 [ 2356.201851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2356.201851][ T10] ___sys_sendmsg+0xee/0x170 [ 2356.201851][ T10] __sys_sendmsg+0xcd/0x170 [ 2356.201851][ T10] do_syscall_64+0xc6/0x1e0 [ 2356.201851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2356.201851][ T10] [ 2356.204012][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2356.204012][ T10] netdev_get_by_index+0x5e/0x80 [ 2356.204012][ T10] fib6_nh_init+0x3d8/0x1580 [ 2356.204012][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2356.204012][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2356.204012][ T10] ipv6_add_addr+0x411/0x2000 [ 2356.204012][ T10] inet6_addr_add+0x30e/0xa40 [ 2356.204012][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2356.204012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2356.204012][ T10] netlink_rcv_skb+0x130/0x360 [ 2356.204012][ T10] netlink_unicast+0x449/0x710 [ 2356.204012][ T10] netlink_sendmsg+0x723/0xbe0 [ 2356.204012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2356.204012][ T10] ___sys_sendmsg+0xee/0x170 [ 2356.204012][ T10] __sys_sendmsg+0xcd/0x170 [ 2356.204012][ T10] do_syscall_64+0xc6/0x1e0 [ 2356.204012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2356.204012][ T10] [ 2356.206304][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2356.206304][ T10] netdev_get_by_index+0x5e/0x80 [ 2356.206304][ T10] fib6_nh_init+0x3d8/0x1580 [ 2356.206304][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2356.206304][ T10] ip6_route_add+0x1c/0x140 [ 2356.206304][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2356.206304][ T10] addrconf_add_dev+0xe2/0x170 [ 2356.206304][ T10] inet6_addr_add+0x12f/0xa40 [ 2356.206304][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2356.206304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2356.206304][ T10] netlink_rcv_skb+0x130/0x360 [ 2356.206304][ T10] netlink_unicast+0x449/0x710 [ 2356.206304][ T10] netlink_sendmsg+0x723/0xbe0 [ 2356.206304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2356.206304][ T10] ___sys_sendmsg+0xee/0x170 [ 2356.206304][ T10] __sys_sendmsg+0xcd/0x170 [ 2356.206304][ T10] do_syscall_64+0xc6/0x1e0 [ 2356.206304][ T10] [ 2356.208492][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2356.208492][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2356.208492][ T10] ipv6_find_idev+0x102/0x170 [ 2356.208492][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2356.208492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2356.208492][ T10] netlink_rcv_skb+0x130/0x360 [ 2356.208492][ T10] netlink_unicast+0x449/0x710 [ 2356.208492][ T10] netlink_sendmsg+0x723/0xbe0 [ 2356.208492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2356.208492][ T10] ___sys_sendmsg+0xee/0x170 [ 2356.208492][ T10] __sys_sendmsg+0xcd/0x170 [ 2356.208492][ T10] do_syscall_64+0xc6/0x1e0 [ 2356.208492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2356.208492][ T10] [ 2356.210208][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2356.210208][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2356.210208][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2356.210208][ T10] ipv6_find_idev+0x102/0x170 [ 2356.210208][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2356.210208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2356.210208][ T10] netlink_rcv_skb+0x130/0x360 [ 2356.210208][ T10] netlink_unicast+0x449/0x710 [ 2356.210208][ T10] netlink_sendmsg+0x723/0xbe0 [ 2356.210208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2356.210208][ T10] ___sys_sendmsg+0xee/0x170 [ 2356.210208][ T10] __sys_sendmsg+0xcd/0x170 [ 2356.210208][ T10] do_syscall_64+0xc6/0x1e0 [ 2356.210208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2356.210208][ T10] [ 2356.212049][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2356.212285][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2356.212285][ T10] netdev_get_by_index+0x5e/0x80 [ 2356.212285][ T10] fib6_nh_init+0x3d8/0x1580 [ 2356.212285][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2356.212285][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2356.212285][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2356.212285][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2356.212285][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2356.212285][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2356.212285][ T10] addrconf_dad_begin+0x310/0x670 [ 2356.212285][ T10] addrconf_dad_work+0x10b/0xab0 [ 2356.212285][ T10] process_one_work+0x84d/0x18a0 [ 2356.212285][ T10] worker_thread+0x587/0xd30 [ 2356.212285][ T10] kthread+0x28a/0x350 [ 2356.212285][ T10] ret_from_fork+0x31/0x70 [ 2356.212285][ T10] ret_from_fork_asm+0x1a/0x30 [ 2356.212285][ T10] [ 2356.214479][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2356.214479][ T10] netdev_get_by_index+0x5e/0x80 [ 2356.214479][ T10] fib6_nh_init+0x3d8/0x1580 [ 2356.214479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2356.214479][ T10] ip6_route_add+0x1c/0x140 [ 2356.214479][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2356.214479][ T10] inet6_addr_add+0x4f8/0xa40 [ 2356.214479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2356.214479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2356.214479][ T10] netlink_rcv_skb+0x130/0x360 [ 2356.214479][ T10] netlink_unicast+0x449/0x710 [ 2356.214479][ T10] netlink_sendmsg+0x723/0xbe0 [ 2356.214479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2356.214479][ T10] ___sys_sendmsg+0xee/0x170 [ 2356.214479][ T10] __sys_sendmsg+0xcd/0x170 [ 2356.214479][ T10] do_syscall_64+0xc6/0x1e0 [ 2356.214479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2356.214479][ T10] [ 2356.216640][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2356.216640][ T10] netdev_get_by_index+0x5e/0x80 [ 2356.216640][ T10] fib6_nh_init+0x3d8/0x1580 [ 2356.216640][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2356.216640][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2356.216640][ T10] ipv6_add_addr+0x411/0x2000 [ 2356.216640][ T10] inet6_addr_add+0x30e/0xa40 [ 2356.216640][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2356.216640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2356.216640][ T10] netlink_rcv_skb+0x130/0x360 [ 2356.216640][ T10] netlink_unicast+0x449/0x710 [ 2356.216640][ T10] netlink_sendmsg+0x723/0xbe0 [ 2356.216640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2356.216640][ T10] ___sys_sendmsg+0xee/0x170 [ 2356.216640][ T10] __sys_sendmsg+0xcd/0x170 [ 2356.216640][ T10] do_syscall_64+0xc6/0x1e0 [ 2356.216640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2356.216640][ T10] [ 2356.218800][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2356.218800][ T10] netdev_get_by_index+0x5e/0x80 [ 2356.218800][ T10] fib6_nh_init+0x3d8/0x1580 [ 2356.218800][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2356.218800][ T10] ip6_route_add+0x1c/0x140 [ 2356.218800][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2356.218800][ T10] addrconf_add_dev+0xe2/0x170 [ 2356.218800][ T10] inet6_addr_add+0x12f/0xa40 [ 2356.218800][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2356.218800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2356.218800][ T10] netlink_rcv_skb+0x130/0x360 [ 2356.218800][ T10] netlink_unicast+0x449/0x710 [ 2356.218800][ T10] netlink_sendmsg+0x723/0xbe0 [ 2356.218800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2356.218800][ T10] ___sys_sendmsg+0xee/0x170 [ 2356.218800][ T10] __sys_sendmsg+0xcd/0x170 [ 2356.218800][ T10] do_syscall_64+0xc6/0x1e0 [ 2356.218800][ T10] [ 2356.220925][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2356.220925][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2356.220925][ T10] ipv6_find_idev+0x102/0x170 [ 2356.220925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2356.220925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2356.220925][ T10] netlink_rcv_skb+0x130/0x360 [ 2356.220925][ T10] netlink_unicast+0x449/0x710 [ 2356.220925][ T10] netlink_sendmsg+0x723/0xbe0 [ 2356.220925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2356.220925][ T10] ___sys_sendmsg+0xee/0x170 [ 2356.220925][ T10] __sys_sendmsg+0xcd/0x170 [ 2356.220925][ T10] do_syscall_64+0xc6/0x1e0 [ 2356.220925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2356.220925][ T10] [ 2356.222631][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2356.222631][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2356.222631][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2356.222631][ T10] ipv6_find_idev+0x102/0x170 [ 2356.222631][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2356.222631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2356.222631][ T10] netlink_rcv_skb+0x130/0x360 [ 2356.222631][ T10] netlink_unicast+0x449/0x710 [ 2356.222631][ T10] netlink_sendmsg+0x723/0xbe0 [ 2356.222631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2356.222631][ T10] ___sys_sendmsg+0xee/0x170 [ 2356.222631][ T10] __sys_sendmsg+0xcd/0x170 [ 2356.222631][ T10] do_syscall_64+0xc6/0x1e0 [ 2356.222631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2356.222631][ T10] [ 2360.473046][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2360.473464][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2360.473464][ T1167] dst_init+0x84/0x4a0 [ 2360.473464][ T1167] dst_alloc+0x97/0x150 [ 2360.473464][ T1167] ip6_dst_alloc+0x23/0x90 [ 2360.473464][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2360.473464][ T1167] ip6_pol_route+0x56f/0x840 [ 2360.473464][ T1167] fib6_rule_lookup+0x334/0x630 [ 2360.473464][ T1167] ip6_route_output_flags+0x259/0x480 [ 2360.473464][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2360.473464][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2360.473464][ T1167] netlink_rcv_skb+0x130/0x360 [ 2360.473464][ T1167] netlink_unicast+0x449/0x710 [ 2360.473464][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2360.473464][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2360.473464][ T1167] ___sys_sendmsg+0xee/0x170 [ 2360.473464][ T1167] __sys_sendmsg+0xcd/0x170 [ 2360.473464][ T1167] do_syscall_64+0xc6/0x1e0 [ 2360.473464][ T1167] [ 2360.475642][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2360.475642][ T1167] netdev_get_by_index+0x5e/0x80 [ 2360.475642][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2360.475642][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2360.475642][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2360.475642][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2360.475642][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2360.475642][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2360.475642][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2360.475642][ T1167] addrconf_dad_begin+0x310/0x670 [ 2360.475642][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2360.475642][ T1167] process_one_work+0x84d/0x18a0 [ 2360.475642][ T1167] worker_thread+0x587/0xd30 [ 2360.475642][ T1167] kthread+0x28a/0x350 [ 2360.475642][ T1167] ret_from_fork+0x31/0x70 [ 2360.475642][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2360.475642][ T1167] [ 2360.477780][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2360.477780][ T1167] netdev_get_by_index+0x5e/0x80 [ 2360.477780][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2360.477780][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2360.477780][ T1167] ip6_route_add+0x1c/0x140 [ 2360.477780][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2360.477780][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2360.477780][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.477780][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.477780][ T1167] netlink_rcv_skb+0x130/0x360 [ 2360.477780][ T1167] netlink_unicast+0x449/0x710 [ 2360.477780][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2360.477780][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2360.477780][ T1167] ___sys_sendmsg+0xee/0x170 [ 2360.477780][ T1167] __sys_sendmsg+0xcd/0x170 [ 2360.477780][ T1167] do_syscall_64+0xc6/0x1e0 [ 2360.477780][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.477780][ T1167] [ 2360.480008][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2360.480008][ T1167] netdev_get_by_index+0x5e/0x80 [ 2360.480008][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2360.480008][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2360.480008][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2360.480008][ T1167] ipv6_add_addr+0x411/0x2000 [ 2360.480008][ T1167] inet6_addr_add+0x30e/0xa40 [ 2360.480008][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.480008][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.480008][ T1167] netlink_rcv_skb+0x130/0x360 [ 2360.480008][ T1167] netlink_unicast+0x449/0x710 [ 2360.480008][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2360.480008][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2360.480008][ T1167] ___sys_sendmsg+0xee/0x170 [ 2360.480008][ T1167] __sys_sendmsg+0xcd/0x170 [ 2360.480008][ T1167] do_syscall_64+0xc6/0x1e0 [ 2360.480008][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.480008][ T1167] [ 2360.482234][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2360.482234][ T1167] netdev_get_by_index+0x5e/0x80 [ 2360.482234][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2360.482234][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2360.482234][ T1167] ip6_route_add+0x1c/0x140 [ 2360.482234][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2360.482234][ T1167] addrconf_add_dev+0xe2/0x170 [ 2360.482234][ T1167] inet6_addr_add+0x12f/0xa40 [ 2360.482234][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.482234][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.482234][ T1167] netlink_rcv_skb+0x130/0x360 [ 2360.482234][ T1167] netlink_unicast+0x449/0x710 [ 2360.482234][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2360.482234][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2360.482234][ T1167] ___sys_sendmsg+0xee/0x170 [ 2360.482234][ T1167] __sys_sendmsg+0xcd/0x170 [ 2360.482234][ T1167] do_syscall_64+0xc6/0x1e0 [ 2360.482234][ T1167] [ 2360.484414][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2360.484414][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2360.484414][ T1167] ipv6_find_idev+0x102/0x170 [ 2360.484414][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2360.484414][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.484414][ T1167] netlink_rcv_skb+0x130/0x360 [ 2360.484414][ T1167] netlink_unicast+0x449/0x710 [ 2360.484414][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2360.484414][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2360.484414][ T1167] ___sys_sendmsg+0xee/0x170 [ 2360.484414][ T1167] __sys_sendmsg+0xcd/0x170 [ 2360.484414][ T1167] do_syscall_64+0xc6/0x1e0 [ 2360.484414][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.484414][ T1167] [ 2360.486128][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2360.486128][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2360.486128][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2360.486128][ T1167] ipv6_find_idev+0x102/0x170 [ 2360.486128][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2360.486128][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.486128][ T1167] netlink_rcv_skb+0x130/0x360 [ 2360.486128][ T1167] netlink_unicast+0x449/0x710 [ 2360.486128][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2360.486128][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2360.486128][ T1167] ___sys_sendmsg+0xee/0x170 [ 2360.486128][ T1167] __sys_sendmsg+0xcd/0x170 [ 2360.486128][ T1167] do_syscall_64+0xc6/0x1e0 [ 2360.486128][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.486128][ T1167] [ 2366.465050][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2366.465403][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2366.465403][ T10] netdev_get_by_index+0x5e/0x80 [ 2366.465403][ T10] fib6_nh_init+0x3d8/0x1580 [ 2366.465403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2366.465403][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2366.465403][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2366.465403][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2366.465403][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2366.465403][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2366.465403][ T10] addrconf_dad_begin+0x310/0x670 [ 2366.465403][ T10] addrconf_dad_work+0x10b/0xab0 [ 2366.465403][ T10] process_one_work+0x84d/0x18a0 [ 2366.465403][ T10] worker_thread+0x587/0xd30 [ 2366.465403][ T10] kthread+0x28a/0x350 [ 2366.465403][ T10] ret_from_fork+0x31/0x70 [ 2366.465403][ T10] ret_from_fork_asm+0x1a/0x30 [ 2366.465403][ T10] [ 2366.467440][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2366.467440][ T10] netdev_get_by_index+0x5e/0x80 [ 2366.467440][ T10] fib6_nh_init+0x3d8/0x1580 [ 2366.467440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2366.467440][ T10] ip6_route_add+0x1c/0x140 [ 2366.467440][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2366.467440][ T10] inet6_addr_add+0x4f8/0xa40 [ 2366.467440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2366.467440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2366.467440][ T10] netlink_rcv_skb+0x130/0x360 [ 2366.467440][ T10] netlink_unicast+0x449/0x710 [ 2366.467440][ T10] netlink_sendmsg+0x723/0xbe0 [ 2366.467440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2366.467440][ T10] ___sys_sendmsg+0xee/0x170 [ 2366.467440][ T10] __sys_sendmsg+0xcd/0x170 [ 2366.467440][ T10] do_syscall_64+0xc6/0x1e0 [ 2366.467440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2366.467440][ T10] [ 2366.469425][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2366.469425][ T10] netdev_get_by_index+0x5e/0x80 [ 2366.469425][ T10] fib6_nh_init+0x3d8/0x1580 [ 2366.469425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2366.469425][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2366.469425][ T10] ipv6_add_addr+0x411/0x2000 [ 2366.469425][ T10] inet6_addr_add+0x30e/0xa40 [ 2366.469425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2366.469425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2366.469425][ T10] netlink_rcv_skb+0x130/0x360 [ 2366.469425][ T10] netlink_unicast+0x449/0x710 [ 2366.469425][ T10] netlink_sendmsg+0x723/0xbe0 [ 2366.469425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2366.469425][ T10] ___sys_sendmsg+0xee/0x170 [ 2366.469425][ T10] __sys_sendmsg+0xcd/0x170 [ 2366.469425][ T10] do_syscall_64+0xc6/0x1e0 [ 2366.469425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2366.469425][ T10] [ 2366.471406][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2366.471406][ T10] netdev_get_by_index+0x5e/0x80 [ 2366.471406][ T10] fib6_nh_init+0x3d8/0x1580 [ 2366.471406][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2366.471406][ T10] ip6_route_add+0x1c/0x140 [ 2366.471406][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2366.471406][ T10] addrconf_add_dev+0xe2/0x170 [ 2366.471406][ T10] inet6_addr_add+0x12f/0xa40 [ 2366.471406][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2366.471406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2366.471406][ T10] netlink_rcv_skb+0x130/0x360 [ 2366.471406][ T10] netlink_unicast+0x449/0x710 [ 2366.471406][ T10] netlink_sendmsg+0x723/0xbe0 [ 2366.471406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2366.471406][ T10] ___sys_sendmsg+0xee/0x170 [ 2366.471406][ T10] __sys_sendmsg+0xcd/0x170 [ 2366.471406][ T10] do_syscall_64+0xc6/0x1e0 [ 2366.471406][ T10] [ 2366.473379][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2366.473379][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2366.473379][ T10] ipv6_find_idev+0x102/0x170 [ 2366.473379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2366.473379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2366.473379][ T10] netlink_rcv_skb+0x130/0x360 [ 2366.473379][ T10] netlink_unicast+0x449/0x710 [ 2366.473379][ T10] netlink_sendmsg+0x723/0xbe0 [ 2366.473379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2366.473379][ T10] ___sys_sendmsg+0xee/0x170 [ 2366.473379][ T10] __sys_sendmsg+0xcd/0x170 [ 2366.473379][ T10] do_syscall_64+0xc6/0x1e0 [ 2366.473379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2366.473379][ T10] [ 2366.474903][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2366.474903][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2366.474903][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2366.474903][ T10] ipv6_find_idev+0x102/0x170 [ 2366.474903][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2366.474903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2366.474903][ T10] netlink_rcv_skb+0x130/0x360 [ 2366.474903][ T10] netlink_unicast+0x449/0x710 [ 2366.474903][ T10] netlink_sendmsg+0x723/0xbe0 [ 2366.474903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2366.474903][ T10] ___sys_sendmsg+0xee/0x170 [ 2366.474903][ T10] __sys_sendmsg+0xcd/0x170 [ 2366.474903][ T10] do_syscall_64+0xc6/0x1e0 [ 2366.474903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2366.474903][ T10] [ 2366.476580][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2366.476823][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2366.476823][ T10] netdev_get_by_index+0x5e/0x80 [ 2366.476823][ T10] fib6_nh_init+0x3d8/0x1580 [ 2366.476823][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2366.476823][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2366.476823][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2366.476823][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2366.476823][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2366.476823][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2366.476823][ T10] addrconf_dad_begin+0x310/0x670 [ 2366.476823][ T10] addrconf_dad_work+0x10b/0xab0 [ 2366.476823][ T10] process_one_work+0x84d/0x18a0 [ 2366.476823][ T10] worker_thread+0x587/0xd30 [ 2366.476823][ T10] kthread+0x28a/0x350 [ 2366.476823][ T10] ret_from_fork+0x31/0x70 [ 2366.476823][ T10] ret_from_fork_asm+0x1a/0x30 [ 2366.476823][ T10] [ 2366.478721][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2366.478721][ T10] netdev_get_by_index+0x5e/0x80 [ 2366.478721][ T10] fib6_nh_init+0x3d8/0x1580 [ 2366.478721][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2366.478721][ T10] ip6_route_add+0x1c/0x140 [ 2366.478721][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2366.478721][ T10] inet6_addr_add+0x4f8/0xa40 [ 2366.478721][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2366.478721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2366.478721][ T10] netlink_rcv_skb+0x130/0x360 [ 2366.478721][ T10] netlink_unicast+0x449/0x710 [ 2366.478721][ T10] netlink_sendmsg+0x723/0xbe0 [ 2366.478721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2366.478721][ T10] ___sys_sendmsg+0xee/0x170 [ 2366.478721][ T10] __sys_sendmsg+0xcd/0x170 [ 2366.478721][ T10] do_syscall_64+0xc6/0x1e0 [ 2366.478721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2366.478721][ T10] [ 2366.480720][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2366.480720][ T10] netdev_get_by_index+0x5e/0x80 [ 2366.480720][ T10] fib6_nh_init+0x3d8/0x1580 [ 2366.480720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2366.480720][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2366.480720][ T10] ipv6_add_addr+0x411/0x2000 [ 2366.480720][ T10] inet6_addr_add+0x30e/0xa40 [ 2366.480720][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2366.480720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2366.480720][ T10] netlink_rcv_skb+0x130/0x360 [ 2366.480720][ T10] netlink_unicast+0x449/0x710 [ 2366.480720][ T10] netlink_sendmsg+0x723/0xbe0 [ 2366.480720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2366.480720][ T10] ___sys_sendmsg+0xee/0x170 [ 2366.480720][ T10] __sys_sendmsg+0xcd/0x170 [ 2366.480720][ T10] do_syscall_64+0xc6/0x1e0 [ 2366.480720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2366.480720][ T10] [ 2366.482709][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2366.482709][ T10] netdev_get_by_index+0x5e/0x80 [ 2366.482709][ T10] fib6_nh_init+0x3d8/0x1580 [ 2366.482709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2366.482709][ T10] ip6_route_add+0x1c/0x140 [ 2366.482709][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2366.482709][ T10] addrconf_add_dev+0xe2/0x170 [ 2366.482709][ T10] inet6_addr_add+0x12f/0xa40 [ 2366.482709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2366.482709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2366.482709][ T10] netlink_rcv_skb+0x130/0x360 [ 2366.482709][ T10] netlink_unicast+0x449/0x710 [ 2366.482709][ T10] netlink_sendmsg+0x723/0xbe0 [ 2366.482709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2366.482709][ T10] ___sys_sendmsg+0xee/0x170 [ 2366.482709][ T10] __sys_sendmsg+0xcd/0x170 [ 2366.482709][ T10] do_syscall_64+0xc6/0x1e0 [ 2366.482709][ T10] [ 2366.484655][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2366.484655][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2366.484655][ T10] ipv6_find_idev+0x102/0x170 [ 2366.484655][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2366.484655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2366.484655][ T10] netlink_rcv_skb+0x130/0x360 [ 2366.484655][ T10] netlink_unicast+0x449/0x710 [ 2366.484655][ T10] netlink_sendmsg+0x723/0xbe0 [ 2366.484655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2366.484655][ T10] ___sys_sendmsg+0xee/0x170 [ 2366.484655][ T10] __sys_sendmsg+0xcd/0x170 [ 2366.484655][ T10] do_syscall_64+0xc6/0x1e0 [ 2366.484655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2366.484655][ T10] [ 2366.486180][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2366.486180][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2366.486180][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2366.486180][ T10] ipv6_find_idev+0x102/0x170 [ 2366.486180][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2366.486180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2366.486180][ T10] netlink_rcv_skb+0x130/0x360 [ 2366.486180][ T10] netlink_unicast+0x449/0x710 [ 2366.486180][ T10] netlink_sendmsg+0x723/0xbe0 [ 2366.486180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2366.486180][ T10] ___sys_sendmsg+0xee/0x170 [ 2366.486180][ T10] __sys_sendmsg+0xcd/0x170 [ 2366.486180][ T10] do_syscall_64+0xc6/0x1e0 [ 2366.486180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2366.486180][ T10] [ 2366.487851][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2366.488094][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2366.488094][ T10] netdev_get_by_index+0x5e/0x80 [ 2366.488094][ T10] fib6_nh_init+0x3d8/0x1580 [ 2366.488094][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2366.488094][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2366.488094][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2366.488094][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2366.488094][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2366.488094][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2366.488094][ T10] addrconf_dad_begin+0x310/0x670 [ 2366.488094][ T10] addrconf_dad_work+0x10b/0xab0 [ 2366.488094][ T10] process_one_work+0x84d/0x18a0 [ 2366.488094][ T10] worker_thread+0x587/0xd30 [ 2366.488094][ T10] kthread+0x28a/0x350 [ 2366.488094][ T10] ret_from_fork+0x31/0x70 [ 2366.488094][ T10] ret_from_fork_asm+0x1a/0x30 [ 2366.488094][ T10] [ 2366.489984][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2366.489984][ T10] netdev_get_by_index+0x5e/0x80 [ 2366.489984][ T10] fib6_nh_init+0x3d8/0x1580 [ 2366.489984][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2366.489984][ T10] ip6_route_add+0x1c/0x140 [ 2366.489984][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2366.489984][ T10] inet6_addr_add+0x4f8/0xa40 [ 2366.489984][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2366.489984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2366.489984][ T10] netlink_rcv_skb+0x130/0x360 [ 2366.489984][ T10] netlink_unicast+0x449/0x710 [ 2366.489984][ T10] netlink_sendmsg+0x723/0xbe0 [ 2366.489984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2366.489984][ T10] ___sys_sendmsg+0xee/0x170 [ 2366.489984][ T10] __sys_sendmsg+0xcd/0x170 [ 2366.489984][ T10] do_syscall_64+0xc6/0x1e0 [ 2366.489984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2366.489984][ T10] [ 2366.492222][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2366.492222][ T10] netdev_get_by_index+0x5e/0x80 [ 2366.492222][ T10] fib6_nh_init+0x3d8/0x1580 [ 2366.492222][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2366.492222][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2366.492222][ T10] ipv6_add_addr+0x411/0x2000 [ 2366.492222][ T10] inet6_addr_add+0x30e/0xa40 [ 2366.492222][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2366.492222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2366.492222][ T10] netlink_rcv_skb+0x130/0x360 [ 2366.492222][ T10] netlink_unicast+0x449/0x710 [ 2366.492222][ T10] netlink_sendmsg+0x723/0xbe0 [ 2366.492222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2366.492222][ T10] ___sys_sendmsg+0xee/0x170 [ 2366.492222][ T10] __sys_sendmsg+0xcd/0x170 [ 2366.492222][ T10] do_syscall_64+0xc6/0x1e0 [ 2366.492222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2366.492222][ T10] [ 2366.494387][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2366.494387][ T10] netdev_get_by_index+0x5e/0x80 [ 2366.494387][ T10] fib6_nh_init+0x3d8/0x1580 [ 2366.494387][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2366.494387][ T10] ip6_route_add+0x1c/0x140 [ 2366.494387][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2366.494387][ T10] addrconf_add_dev+0xe2/0x170 [ 2366.494387][ T10] inet6_addr_add+0x12f/0xa40 [ 2366.494387][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2366.494387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2366.494387][ T10] netlink_rcv_skb+0x130/0x360 [ 2366.494387][ T10] netlink_unicast+0x449/0x710 [ 2366.494387][ T10] netlink_sendmsg+0x723/0xbe0 [ 2366.494387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2366.494387][ T10] ___sys_sendmsg+0xee/0x170 [ 2366.494387][ T10] __sys_sendmsg+0xcd/0x170 [ 2366.494387][ T10] do_syscall_64+0xc6/0x1e0 [ 2366.494387][ T10] [ 2366.496515][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2366.496515][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2366.496515][ T10] ipv6_find_idev+0x102/0x170 [ 2366.496515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2366.496515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2366.496515][ T10] netlink_rcv_skb+0x130/0x360 [ 2366.496515][ T10] netlink_unicast+0x449/0x710 [ 2366.496515][ T10] netlink_sendmsg+0x723/0xbe0 [ 2366.496515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2366.496515][ T10] ___sys_sendmsg+0xee/0x170 [ 2366.496515][ T10] __sys_sendmsg+0xcd/0x170 [ 2366.496515][ T10] do_syscall_64+0xc6/0x1e0 [ 2366.496515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2366.496515][ T10] [ 2366.498177][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2366.498177][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2366.498177][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2366.498177][ T10] ipv6_find_idev+0x102/0x170 [ 2366.498177][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2366.498177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2366.498177][ T10] netlink_rcv_skb+0x130/0x360 [ 2366.498177][ T10] netlink_unicast+0x449/0x710 [ 2366.498177][ T10] netlink_sendmsg+0x723/0xbe0 [ 2366.498177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2366.498177][ T10] ___sys_sendmsg+0xee/0x170 [ 2366.498177][ T10] __sys_sendmsg+0xcd/0x170 [ 2366.498177][ T10] do_syscall_64+0xc6/0x1e0 [ 2366.498177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2366.498177][ T10] [ 2366.500099][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2366.500336][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2366.500336][ T10] netdev_get_by_index+0x5e/0x80 [ 2366.500336][ T10] fib6_nh_init+0x3d8/0x1580 [ 2366.500336][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2366.500336][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2366.500336][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2366.500336][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2366.500336][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2366.500336][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2366.500336][ T10] addrconf_dad_begin+0x310/0x670 [ 2366.500336][ T10] addrconf_dad_work+0x10b/0xab0 [ 2366.500336][ T10] process_one_work+0x84d/0x18a0 [ 2366.500336][ T10] worker_thread+0x587/0xd30 [ 2366.500336][ T10] kthread+0x28a/0x350 [ 2366.500336][ T10] ret_from_fork+0x31/0x70 [ 2366.500336][ T10] ret_from_fork_asm+0x1a/0x30 [ 2366.500336][ T10] [ 2366.502416][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2366.502416][ T10] netdev_get_by_index+0x5e/0x80 [ 2366.502416][ T10] fib6_nh_init+0x3d8/0x1580 [ 2366.502416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2366.502416][ T10] ip6_route_add+0x1c/0x140 [ 2366.502416][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2366.502416][ T10] inet6_addr_add+0x4f8/0xa40 [ 2366.502416][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2366.502416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2366.502416][ T10] netlink_rcv_skb+0x130/0x360 [ 2366.502416][ T10] netlink_unicast+0x449/0x710 [ 2366.502416][ T10] netlink_sendmsg+0x723/0xbe0 [ 2366.502416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2366.502416][ T10] ___sys_sendmsg+0xee/0x170 [ 2366.502416][ T10] __sys_sendmsg+0xcd/0x170 [ 2366.502416][ T10] do_syscall_64+0xc6/0x1e0 [ 2366.502416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2366.502416][ T10] [ 2366.504579][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2366.504579][ T10] netdev_get_by_index+0x5e/0x80 [ 2366.504579][ T10] fib6_nh_init+0x3d8/0x1580 [ 2366.504579][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2366.504579][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2366.504579][ T10] ipv6_add_addr+0x411/0x2000 [ 2366.504579][ T10] inet6_addr_add+0x30e/0xa40 [ 2366.504579][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2366.504579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2366.504579][ T10] netlink_rcv_skb+0x130/0x360 [ 2366.504579][ T10] netlink_unicast+0x449/0x710 [ 2366.504579][ T10] netlink_sendmsg+0x723/0xbe0 [ 2366.504579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2366.504579][ T10] ___sys_sendmsg+0xee/0x170 [ 2366.504579][ T10] __sys_sendmsg+0xcd/0x170 [ 2366.504579][ T10] do_syscall_64+0xc6/0x1e0 [ 2366.504579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2366.504579][ T10] [ 2366.506808][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2366.506808][ T10] netdev_get_by_index+0x5e/0x80 [ 2366.506808][ T10] fib6_nh_init+0x3d8/0x1580 [ 2366.506808][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2366.506808][ T10] ip6_route_add+0x1c/0x140 [ 2366.506808][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2366.506808][ T10] addrconf_add_dev+0xe2/0x170 [ 2366.506808][ T10] inet6_addr_add+0x12f/0xa40 [ 2366.506808][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2366.506808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2366.506808][ T10] netlink_rcv_skb+0x130/0x360 [ 2366.506808][ T10] netlink_unicast+0x449/0x710 [ 2366.506808][ T10] netlink_sendmsg+0x723/0xbe0 [ 2366.506808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2366.506808][ T10] ___sys_sendmsg+0xee/0x170 [ 2366.506808][ T10] __sys_sendmsg+0xcd/0x170 [ 2366.506808][ T10] do_syscall_64+0xc6/0x1e0 [ 2366.506808][ T10] [ 2366.509016][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2366.509016][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2366.509016][ T10] ipv6_find_idev+0x102/0x170 [ 2366.509016][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2366.509016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2366.509016][ T10] netlink_rcv_skb+0x130/0x360 [ 2366.509016][ T10] netlink_unicast+0x449/0x710 [ 2366.509016][ T10] netlink_sendmsg+0x723/0xbe0 [ 2366.509016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2366.509016][ T10] ___sys_sendmsg+0xee/0x170 [ 2366.509016][ T10] __sys_sendmsg+0xcd/0x170 [ 2366.509016][ T10] do_syscall_64+0xc6/0x1e0 [ 2366.509016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2366.509016][ T10] [ 2366.510724][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2366.510724][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2366.510724][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2366.510724][ T10] ipv6_find_idev+0x102/0x170 [ 2366.510724][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2366.510724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2366.510724][ T10] netlink_rcv_skb+0x130/0x360 [ 2366.510724][ T10] netlink_unicast+0x449/0x710 [ 2366.510724][ T10] netlink_sendmsg+0x723/0xbe0 [ 2366.510724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2366.510724][ T10] ___sys_sendmsg+0xee/0x170 [ 2366.510724][ T10] __sys_sendmsg+0xcd/0x170 [ 2366.510724][ T10] do_syscall_64+0xc6/0x1e0 [ 2366.510724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2366.510724][ T10] [ 2370.737115][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2370.737557][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2370.737557][ T1167] dst_init+0x84/0x4a0 [ 2370.737557][ T1167] dst_alloc+0x97/0x150 [ 2370.737557][ T1167] ip6_dst_alloc+0x23/0x90 [ 2370.737557][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2370.737557][ T1167] ip6_pol_route+0x56f/0x840 [ 2370.737557][ T1167] fib6_rule_lookup+0x334/0x630 [ 2370.737557][ T1167] ip6_route_output_flags+0x259/0x480 [ 2370.737557][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2370.737557][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2370.737557][ T1167] netlink_rcv_skb+0x130/0x360 [ 2370.737557][ T1167] netlink_unicast+0x449/0x710 [ 2370.737557][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2370.737557][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2370.737557][ T1167] ___sys_sendmsg+0xee/0x170 [ 2370.737557][ T1167] __sys_sendmsg+0xcd/0x170 [ 2370.737557][ T1167] do_syscall_64+0xc6/0x1e0 [ 2370.737557][ T1167] [ 2370.739745][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2370.739745][ T1167] netdev_get_by_index+0x5e/0x80 [ 2370.739745][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2370.739745][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2370.739745][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2370.739745][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2370.739745][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2370.739745][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2370.739745][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2370.739745][ T1167] addrconf_dad_begin+0x310/0x670 [ 2370.739745][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2370.739745][ T1167] process_one_work+0x84d/0x18a0 [ 2370.739745][ T1167] worker_thread+0x587/0xd30 [ 2370.739745][ T1167] kthread+0x28a/0x350 [ 2370.739745][ T1167] ret_from_fork+0x31/0x70 [ 2370.739745][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2370.739745][ T1167] [ 2370.741882][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2370.741882][ T1167] netdev_get_by_index+0x5e/0x80 [ 2370.741882][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2370.741882][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2370.741882][ T1167] ip6_route_add+0x1c/0x140 [ 2370.741882][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2370.741882][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2370.741882][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2370.741882][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.741882][ T1167] netlink_rcv_skb+0x130/0x360 [ 2370.741882][ T1167] netlink_unicast+0x449/0x710 [ 2370.741882][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2370.741882][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2370.741882][ T1167] ___sys_sendmsg+0xee/0x170 [ 2370.741882][ T1167] __sys_sendmsg+0xcd/0x170 [ 2370.741882][ T1167] do_syscall_64+0xc6/0x1e0 [ 2370.741882][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2370.741882][ T1167] [ 2370.744120][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2370.744120][ T1167] netdev_get_by_index+0x5e/0x80 [ 2370.744120][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2370.744120][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2370.744120][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2370.744120][ T1167] ipv6_add_addr+0x411/0x2000 [ 2370.744120][ T1167] inet6_addr_add+0x30e/0xa40 [ 2370.744120][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2370.744120][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.744120][ T1167] netlink_rcv_skb+0x130/0x360 [ 2370.744120][ T1167] netlink_unicast+0x449/0x710 [ 2370.744120][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2370.744120][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2370.744120][ T1167] ___sys_sendmsg+0xee/0x170 [ 2370.744120][ T1167] __sys_sendmsg+0xcd/0x170 [ 2370.744120][ T1167] do_syscall_64+0xc6/0x1e0 [ 2370.744120][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2370.744120][ T1167] [ 2370.746357][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2370.746357][ T1167] netdev_get_by_index+0x5e/0x80 [ 2370.746357][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2370.746357][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2370.746357][ T1167] ip6_route_add+0x1c/0x140 [ 2370.746357][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2370.746357][ T1167] addrconf_add_dev+0xe2/0x170 [ 2370.746357][ T1167] inet6_addr_add+0x12f/0xa40 [ 2370.746357][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2370.746357][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.746357][ T1167] netlink_rcv_skb+0x130/0x360 [ 2370.746357][ T1167] netlink_unicast+0x449/0x710 [ 2370.746357][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2370.746357][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2370.746357][ T1167] ___sys_sendmsg+0xee/0x170 [ 2370.746357][ T1167] __sys_sendmsg+0xcd/0x170 [ 2370.746357][ T1167] do_syscall_64+0xc6/0x1e0 [ 2370.746357][ T1167] [ 2370.748584][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2370.748584][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2370.748584][ T1167] ipv6_find_idev+0x102/0x170 [ 2370.748584][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2370.748584][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.748584][ T1167] netlink_rcv_skb+0x130/0x360 [ 2370.748584][ T1167] netlink_unicast+0x449/0x710 [ 2370.748584][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2370.748584][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2370.748584][ T1167] ___sys_sendmsg+0xee/0x170 [ 2370.748584][ T1167] __sys_sendmsg+0xcd/0x170 [ 2370.748584][ T1167] do_syscall_64+0xc6/0x1e0 [ 2370.748584][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2370.748584][ T1167] [ 2370.750311][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2370.750311][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2370.750311][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2370.750311][ T1167] ipv6_find_idev+0x102/0x170 [ 2370.750311][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2370.750311][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.750311][ T1167] netlink_rcv_skb+0x130/0x360 [ 2370.750311][ T1167] netlink_unicast+0x449/0x710 [ 2370.750311][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2370.750311][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2370.750311][ T1167] ___sys_sendmsg+0xee/0x170 [ 2370.750311][ T1167] __sys_sendmsg+0xcd/0x170 [ 2370.750311][ T1167] do_syscall_64+0xc6/0x1e0 [ 2370.750311][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2370.750311][ T1167] [ 2376.753076][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2376.753503][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2376.753503][ T10] netdev_get_by_index+0x5e/0x80 [ 2376.753503][ T10] fib6_nh_init+0x3d8/0x1580 [ 2376.753503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2376.753503][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2376.753503][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2376.753503][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2376.753503][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2376.753503][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2376.753503][ T10] addrconf_dad_begin+0x310/0x670 [ 2376.753503][ T10] addrconf_dad_work+0x10b/0xab0 [ 2376.753503][ T10] process_one_work+0x84d/0x18a0 [ 2376.753503][ T10] worker_thread+0x587/0xd30 [ 2376.753503][ T10] kthread+0x28a/0x350 [ 2376.753503][ T10] ret_from_fork+0x31/0x70 [ 2376.753503][ T10] ret_from_fork_asm+0x1a/0x30 [ 2376.753503][ T10] [ 2376.755697][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2376.755697][ T10] netdev_get_by_index+0x5e/0x80 [ 2376.755697][ T10] fib6_nh_init+0x3d8/0x1580 [ 2376.755697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2376.755697][ T10] ip6_route_add+0x1c/0x140 [ 2376.755697][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2376.755697][ T10] inet6_addr_add+0x4f8/0xa40 [ 2376.755697][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2376.755697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2376.755697][ T10] netlink_rcv_skb+0x130/0x360 [ 2376.755697][ T10] netlink_unicast+0x449/0x710 [ 2376.755697][ T10] netlink_sendmsg+0x723/0xbe0 [ 2376.755697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2376.755697][ T10] ___sys_sendmsg+0xee/0x170 [ 2376.755697][ T10] __sys_sendmsg+0xcd/0x170 [ 2376.755697][ T10] do_syscall_64+0xc6/0x1e0 [ 2376.755697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2376.755697][ T10] [ 2376.758340][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2376.758340][ T10] netdev_get_by_index+0x5e/0x80 [ 2376.758340][ T10] fib6_nh_init+0x3d8/0x1580 [ 2376.758340][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2376.758340][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2376.758340][ T10] ipv6_add_addr+0x411/0x2000 [ 2376.758340][ T10] inet6_addr_add+0x30e/0xa40 [ 2376.758340][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2376.758340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2376.758340][ T10] netlink_rcv_skb+0x130/0x360 [ 2376.758340][ T10] netlink_unicast+0x449/0x710 [ 2376.758340][ T10] netlink_sendmsg+0x723/0xbe0 [ 2376.758340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2376.758340][ T10] ___sys_sendmsg+0xee/0x170 [ 2376.758340][ T10] __sys_sendmsg+0xcd/0x170 [ 2376.758340][ T10] do_syscall_64+0xc6/0x1e0 [ 2376.758340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2376.758340][ T10] [ 2376.760762][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2376.760762][ T10] netdev_get_by_index+0x5e/0x80 [ 2376.760762][ T10] fib6_nh_init+0x3d8/0x1580 [ 2376.760762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2376.760762][ T10] ip6_route_add+0x1c/0x140 [ 2376.760762][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2376.760762][ T10] addrconf_add_dev+0xe2/0x170 [ 2376.760762][ T10] inet6_addr_add+0x12f/0xa40 [ 2376.760762][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2376.760762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2376.760762][ T10] netlink_rcv_skb+0x130/0x360 [ 2376.760762][ T10] netlink_unicast+0x449/0x710 [ 2376.760762][ T10] netlink_sendmsg+0x723/0xbe0 [ 2376.760762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2376.760762][ T10] ___sys_sendmsg+0xee/0x170 [ 2376.760762][ T10] __sys_sendmsg+0xcd/0x170 [ 2376.760762][ T10] do_syscall_64+0xc6/0x1e0 [ 2376.760762][ T10] [ 2376.763128][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2376.763128][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2376.763128][ T10] ipv6_find_idev+0x102/0x170 [ 2376.763128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2376.763128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2376.763128][ T10] netlink_rcv_skb+0x130/0x360 [ 2376.763128][ T10] netlink_unicast+0x449/0x710 [ 2376.763128][ T10] netlink_sendmsg+0x723/0xbe0 [ 2376.763128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2376.763128][ T10] ___sys_sendmsg+0xee/0x170 [ 2376.763128][ T10] __sys_sendmsg+0xcd/0x170 [ 2376.763128][ T10] do_syscall_64+0xc6/0x1e0 [ 2376.763128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2376.763128][ T10] [ 2376.764992][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2376.764992][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2376.764992][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2376.764992][ T10] ipv6_find_idev+0x102/0x170 [ 2376.764992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2376.764992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2376.764992][ T10] netlink_rcv_skb+0x130/0x360 [ 2376.764992][ T10] netlink_unicast+0x449/0x710 [ 2376.764992][ T10] netlink_sendmsg+0x723/0xbe0 [ 2376.764992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2376.764992][ T10] ___sys_sendmsg+0xee/0x170 [ 2376.764992][ T10] __sys_sendmsg+0xcd/0x170 [ 2376.764992][ T10] do_syscall_64+0xc6/0x1e0 [ 2376.764992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2376.764992][ T10] [ 2376.767034][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2376.767322][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2376.767322][ T10] netdev_get_by_index+0x5e/0x80 [ 2376.767322][ T10] fib6_nh_init+0x3d8/0x1580 [ 2376.767322][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2376.767322][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2376.767322][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2376.767322][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2376.767322][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2376.767322][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2376.767322][ T10] addrconf_dad_begin+0x310/0x670 [ 2376.767322][ T10] addrconf_dad_work+0x10b/0xab0 [ 2376.767322][ T10] process_one_work+0x84d/0x18a0 [ 2376.767322][ T10] worker_thread+0x587/0xd30 [ 2376.767322][ T10] kthread+0x28a/0x350 [ 2376.767322][ T10] ret_from_fork+0x31/0x70 [ 2376.767322][ T10] ret_from_fork_asm+0x1a/0x30 [ 2376.767322][ T10] [ 2376.769637][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2376.769637][ T10] netdev_get_by_index+0x5e/0x80 [ 2376.769637][ T10] fib6_nh_init+0x3d8/0x1580 [ 2376.769637][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2376.769637][ T10] ip6_route_add+0x1c/0x140 [ 2376.769637][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2376.769637][ T10] inet6_addr_add+0x4f8/0xa40 [ 2376.769637][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2376.769637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2376.769637][ T10] netlink_rcv_skb+0x130/0x360 [ 2376.769637][ T10] netlink_unicast+0x449/0x710 [ 2376.769637][ T10] netlink_sendmsg+0x723/0xbe0 [ 2376.769637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2376.769637][ T10] ___sys_sendmsg+0xee/0x170 [ 2376.769637][ T10] __sys_sendmsg+0xcd/0x170 [ 2376.769637][ T10] do_syscall_64+0xc6/0x1e0 [ 2376.769637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2376.769637][ T10] [ 2376.771897][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2376.771897][ T10] netdev_get_by_index+0x5e/0x80 [ 2376.771897][ T10] fib6_nh_init+0x3d8/0x1580 [ 2376.771897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2376.771897][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2376.771897][ T10] ipv6_add_addr+0x411/0x2000 [ 2376.771897][ T10] inet6_addr_add+0x30e/0xa40 [ 2376.771897][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2376.771897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2376.771897][ T10] netlink_rcv_skb+0x130/0x360 [ 2376.771897][ T10] netlink_unicast+0x449/0x710 [ 2376.771897][ T10] netlink_sendmsg+0x723/0xbe0 [ 2376.771897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2376.771897][ T10] ___sys_sendmsg+0xee/0x170 [ 2376.771897][ T10] __sys_sendmsg+0xcd/0x170 [ 2376.771897][ T10] do_syscall_64+0xc6/0x1e0 [ 2376.771897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2376.771897][ T10] [ 2376.773902][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2376.773902][ T10] netdev_get_by_index+0x5e/0x80 [ 2376.773902][ T10] fib6_nh_init+0x3d8/0x1580 [ 2376.773902][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2376.773902][ T10] ip6_route_add+0x1c/0x140 [ 2376.773902][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2376.773902][ T10] addrconf_add_dev+0xe2/0x170 [ 2376.773902][ T10] inet6_addr_add+0x12f/0xa40 [ 2376.773902][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2376.773902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2376.773902][ T10] netlink_rcv_skb+0x130/0x360 [ 2376.773902][ T10] netlink_unicast+0x449/0x710 [ 2376.773902][ T10] netlink_sendmsg+0x723/0xbe0 [ 2376.773902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2376.773902][ T10] ___sys_sendmsg+0xee/0x170 [ 2376.773902][ T10] __sys_sendmsg+0xcd/0x170 [ 2376.773902][ T10] do_syscall_64+0xc6/0x1e0 [ 2376.773902][ T10] [ 2376.775853][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2376.775853][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2376.775853][ T10] ipv6_find_idev+0x102/0x170 [ 2376.775853][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2376.775853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2376.775853][ T10] netlink_rcv_skb+0x130/0x360 [ 2376.775853][ T10] netlink_unicast+0x449/0x710 [ 2376.775853][ T10] netlink_sendmsg+0x723/0xbe0 [ 2376.775853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2376.775853][ T10] ___sys_sendmsg+0xee/0x170 [ 2376.775853][ T10] __sys_sendmsg+0xcd/0x170 [ 2376.775853][ T10] do_syscall_64+0xc6/0x1e0 [ 2376.775853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2376.775853][ T10] [ 2376.777388][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2376.777388][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2376.777388][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2376.777388][ T10] ipv6_find_idev+0x102/0x170 [ 2376.777388][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2376.777388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2376.777388][ T10] netlink_rcv_skb+0x130/0x360 [ 2376.777388][ T10] netlink_unicast+0x449/0x710 [ 2376.777388][ T10] netlink_sendmsg+0x723/0xbe0 [ 2376.777388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2376.777388][ T10] ___sys_sendmsg+0xee/0x170 [ 2376.777388][ T10] __sys_sendmsg+0xcd/0x170 [ 2376.777388][ T10] do_syscall_64+0xc6/0x1e0 [ 2376.777388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2376.777388][ T10] [ 2376.779072][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2376.779318][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2376.779318][ T10] netdev_get_by_index+0x5e/0x80 [ 2376.779318][ T10] fib6_nh_init+0x3d8/0x1580 [ 2376.779318][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2376.779318][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2376.779318][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2376.779318][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2376.779318][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2376.779318][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2376.779318][ T10] addrconf_dad_begin+0x310/0x670 [ 2376.779318][ T10] addrconf_dad_work+0x10b/0xab0 [ 2376.779318][ T10] process_one_work+0x84d/0x18a0 [ 2376.779318][ T10] worker_thread+0x587/0xd30 [ 2376.779318][ T10] kthread+0x28a/0x350 [ 2376.779318][ T10] ret_from_fork+0x31/0x70 [ 2376.779318][ T10] ret_from_fork_asm+0x1a/0x30 [ 2376.779318][ T10] [ 2376.781505][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2376.781505][ T10] netdev_get_by_index+0x5e/0x80 [ 2376.781505][ T10] fib6_nh_init+0x3d8/0x1580 [ 2376.781505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2376.781505][ T10] ip6_route_add+0x1c/0x140 [ 2376.781505][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2376.781505][ T10] inet6_addr_add+0x4f8/0xa40 [ 2376.781505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2376.781505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2376.781505][ T10] netlink_rcv_skb+0x130/0x360 [ 2376.781505][ T10] netlink_unicast+0x449/0x710 [ 2376.781505][ T10] netlink_sendmsg+0x723/0xbe0 [ 2376.781505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2376.781505][ T10] ___sys_sendmsg+0xee/0x170 [ 2376.781505][ T10] __sys_sendmsg+0xcd/0x170 [ 2376.781505][ T10] do_syscall_64+0xc6/0x1e0 [ 2376.781505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2376.781505][ T10] [ 2376.784046][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2376.784046][ T10] netdev_get_by_index+0x5e/0x80 [ 2376.784046][ T10] fib6_nh_init+0x3d8/0x1580 [ 2376.784046][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2376.784046][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2376.784046][ T10] ipv6_add_addr+0x411/0x2000 [ 2376.784046][ T10] inet6_addr_add+0x30e/0xa40 [ 2376.784046][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2376.784046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2376.784046][ T10] netlink_rcv_skb+0x130/0x360 [ 2376.784046][ T10] netlink_unicast+0x449/0x710 [ 2376.784046][ T10] netlink_sendmsg+0x723/0xbe0 [ 2376.784046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2376.784046][ T10] ___sys_sendmsg+0xee/0x170 [ 2376.784046][ T10] __sys_sendmsg+0xcd/0x170 [ 2376.784046][ T10] do_syscall_64+0xc6/0x1e0 [ 2376.784046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2376.784046][ T10] [ 2376.786570][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2376.786570][ T10] netdev_get_by_index+0x5e/0x80 [ 2376.786570][ T10] fib6_nh_init+0x3d8/0x1580 [ 2376.786570][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2376.786570][ T10] ip6_route_add+0x1c/0x140 [ 2376.786570][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2376.786570][ T10] addrconf_add_dev+0xe2/0x170 [ 2376.786570][ T10] inet6_addr_add+0x12f/0xa40 [ 2376.786570][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2376.786570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2376.786570][ T10] netlink_rcv_skb+0x130/0x360 [ 2376.786570][ T10] netlink_unicast+0x449/0x710 [ 2376.786570][ T10] netlink_sendmsg+0x723/0xbe0 [ 2376.786570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2376.786570][ T10] ___sys_sendmsg+0xee/0x170 [ 2376.786570][ T10] __sys_sendmsg+0xcd/0x170 [ 2376.786570][ T10] do_syscall_64+0xc6/0x1e0 [ 2376.786570][ T10] [ 2376.789066][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2376.789066][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2376.789066][ T10] ipv6_find_idev+0x102/0x170 [ 2376.789066][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2376.789066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2376.789066][ T10] netlink_rcv_skb+0x130/0x360 [ 2376.789066][ T10] netlink_unicast+0x449/0x710 [ 2376.789066][ T10] netlink_sendmsg+0x723/0xbe0 [ 2376.789066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2376.789066][ T10] ___sys_sendmsg+0xee/0x170 [ 2376.789066][ T10] __sys_sendmsg+0xcd/0x170 [ 2376.789066][ T10] do_syscall_64+0xc6/0x1e0 [ 2376.789066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2376.789066][ T10] [ 2376.790976][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2376.790976][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2376.790976][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2376.790976][ T10] ipv6_find_idev+0x102/0x170 [ 2376.790976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2376.790976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2376.790976][ T10] netlink_rcv_skb+0x130/0x360 [ 2376.790976][ T10] netlink_unicast+0x449/0x710 [ 2376.790976][ T10] netlink_sendmsg+0x723/0xbe0 [ 2376.790976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2376.790976][ T10] ___sys_sendmsg+0xee/0x170 [ 2376.790976][ T10] __sys_sendmsg+0xcd/0x170 [ 2376.790976][ T10] do_syscall_64+0xc6/0x1e0 [ 2376.790976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2376.790976][ T10] [ 2376.793135][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2376.793416][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2376.793416][ T10] netdev_get_by_index+0x5e/0x80 [ 2376.793416][ T10] fib6_nh_init+0x3d8/0x1580 [ 2376.793416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2376.793416][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2376.793416][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2376.793416][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2376.793416][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2376.793416][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2376.793416][ T10] addrconf_dad_begin+0x310/0x670 [ 2376.793416][ T10] addrconf_dad_work+0x10b/0xab0 [ 2376.793416][ T10] process_one_work+0x84d/0x18a0 [ 2376.793416][ T10] worker_thread+0x587/0xd30 [ 2376.793416][ T10] kthread+0x28a/0x350 [ 2376.793416][ T10] ret_from_fork+0x31/0x70 [ 2376.793416][ T10] ret_from_fork_asm+0x1a/0x30 [ 2376.793416][ T10] [ 2376.795853][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2376.795853][ T10] netdev_get_by_index+0x5e/0x80 [ 2376.795853][ T10] fib6_nh_init+0x3d8/0x1580 [ 2376.795853][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2376.795853][ T10] ip6_route_add+0x1c/0x140 [ 2376.795853][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2376.795853][ T10] inet6_addr_add+0x4f8/0xa40 [ 2376.795853][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2376.795853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2376.795853][ T10] netlink_rcv_skb+0x130/0x360 [ 2376.795853][ T10] netlink_unicast+0x449/0x710 [ 2376.795853][ T10] netlink_sendmsg+0x723/0xbe0 [ 2376.795853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2376.795853][ T10] ___sys_sendmsg+0xee/0x170 [ 2376.795853][ T10] __sys_sendmsg+0xcd/0x170 [ 2376.795853][ T10] do_syscall_64+0xc6/0x1e0 [ 2376.795853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2376.795853][ T10] [ 2376.798419][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2376.798419][ T10] netdev_get_by_index+0x5e/0x80 [ 2376.798419][ T10] fib6_nh_init+0x3d8/0x1580 [ 2376.798419][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2376.798419][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2376.798419][ T10] ipv6_add_addr+0x411/0x2000 [ 2376.798419][ T10] inet6_addr_add+0x30e/0xa40 [ 2376.798419][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2376.798419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2376.798419][ T10] netlink_rcv_skb+0x130/0x360 [ 2376.798419][ T10] netlink_unicast+0x449/0x710 [ 2376.798419][ T10] netlink_sendmsg+0x723/0xbe0 [ 2376.798419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2376.798419][ T10] ___sys_sendmsg+0xee/0x170 [ 2376.798419][ T10] __sys_sendmsg+0xcd/0x170 [ 2376.798419][ T10] do_syscall_64+0xc6/0x1e0 [ 2376.798419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2376.798419][ T10] [ 2376.800964][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2376.800964][ T10] netdev_get_by_index+0x5e/0x80 [ 2376.800964][ T10] fib6_nh_init+0x3d8/0x1580 [ 2376.800964][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2376.800964][ T10] ip6_route_add+0x1c/0x140 [ 2376.800964][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2376.800964][ T10] addrconf_add_dev+0xe2/0x170 [ 2376.800964][ T10] inet6_addr_add+0x12f/0xa40 [ 2376.800964][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2376.800964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2376.800964][ T10] netlink_rcv_skb+0x130/0x360 [ 2376.800964][ T10] netlink_unicast+0x449/0x710 [ 2376.800964][ T10] netlink_sendmsg+0x723/0xbe0 [ 2376.800964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2376.800964][ T10] ___sys_sendmsg+0xee/0x170 [ 2376.800964][ T10] __sys_sendmsg+0xcd/0x170 [ 2376.800964][ T10] do_syscall_64+0xc6/0x1e0 [ 2376.800964][ T10] [ 2376.803472][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2376.803472][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2376.803472][ T10] ipv6_find_idev+0x102/0x170 [ 2376.803472][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2376.803472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2376.803472][ T10] netlink_rcv_skb+0x130/0x360 [ 2376.803472][ T10] netlink_unicast+0x449/0x710 [ 2376.803472][ T10] netlink_sendmsg+0x723/0xbe0 [ 2376.803472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2376.803472][ T10] ___sys_sendmsg+0xee/0x170 [ 2376.803472][ T10] __sys_sendmsg+0xcd/0x170 [ 2376.803472][ T10] do_syscall_64+0xc6/0x1e0 [ 2376.803472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2376.803472][ T10] [ 2376.805392][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2376.805392][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2376.805392][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2376.805392][ T10] ipv6_find_idev+0x102/0x170 [ 2376.805392][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2376.805392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2376.805392][ T10] netlink_rcv_skb+0x130/0x360 [ 2376.805392][ T10] netlink_unicast+0x449/0x710 [ 2376.805392][ T10] netlink_sendmsg+0x723/0xbe0 [ 2376.805392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2376.805392][ T10] ___sys_sendmsg+0xee/0x170 [ 2376.805392][ T10] __sys_sendmsg+0xcd/0x170 [ 2376.805392][ T10] do_syscall_64+0xc6/0x1e0 [ 2376.805392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2376.805392][ T10] [ 2380.873103][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2380.873527][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2380.873527][ T1167] dst_init+0x84/0x4a0 [ 2380.873527][ T1167] dst_alloc+0x97/0x150 [ 2380.873527][ T1167] ip6_dst_alloc+0x23/0x90 [ 2380.873527][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2380.873527][ T1167] ip6_pol_route+0x56f/0x840 [ 2380.873527][ T1167] fib6_rule_lookup+0x334/0x630 [ 2380.873527][ T1167] ip6_route_output_flags+0x259/0x480 [ 2380.873527][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2380.873527][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2380.873527][ T1167] netlink_rcv_skb+0x130/0x360 [ 2380.873527][ T1167] netlink_unicast+0x449/0x710 [ 2380.873527][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2380.873527][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2380.873527][ T1167] ___sys_sendmsg+0xee/0x170 [ 2380.873527][ T1167] __sys_sendmsg+0xcd/0x170 [ 2380.873527][ T1167] do_syscall_64+0xc6/0x1e0 [ 2380.873527][ T1167] [ 2380.875714][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2380.875714][ T1167] netdev_get_by_index+0x5e/0x80 [ 2380.875714][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2380.875714][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2380.875714][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2380.875714][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2380.875714][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2380.875714][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2380.875714][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2380.875714][ T1167] addrconf_dad_begin+0x310/0x670 [ 2380.875714][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2380.875714][ T1167] process_one_work+0x84d/0x18a0 [ 2380.875714][ T1167] worker_thread+0x587/0xd30 [ 2380.875714][ T1167] kthread+0x28a/0x350 [ 2380.875714][ T1167] ret_from_fork+0x31/0x70 [ 2380.875714][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2380.875714][ T1167] [ 2380.877876][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2380.877876][ T1167] netdev_get_by_index+0x5e/0x80 [ 2380.877876][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2380.877876][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2380.877876][ T1167] ip6_route_add+0x1c/0x140 [ 2380.877876][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2380.877876][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2380.877876][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2380.877876][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.877876][ T1167] netlink_rcv_skb+0x130/0x360 [ 2380.877876][ T1167] netlink_unicast+0x449/0x710 [ 2380.877876][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2380.877876][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2380.877876][ T1167] ___sys_sendmsg+0xee/0x170 [ 2380.877876][ T1167] __sys_sendmsg+0xcd/0x170 [ 2380.877876][ T1167] do_syscall_64+0xc6/0x1e0 [ 2380.877876][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.877876][ T1167] [ 2380.880100][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2380.880100][ T1167] netdev_get_by_index+0x5e/0x80 [ 2380.880100][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2380.880100][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2380.880100][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2380.880100][ T1167] ipv6_add_addr+0x411/0x2000 [ 2380.880100][ T1167] inet6_addr_add+0x30e/0xa40 [ 2380.880100][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2380.880100][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.880100][ T1167] netlink_rcv_skb+0x130/0x360 [ 2380.880100][ T1167] netlink_unicast+0x449/0x710 [ 2380.880100][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2380.880100][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2380.880100][ T1167] ___sys_sendmsg+0xee/0x170 [ 2380.880100][ T1167] __sys_sendmsg+0xcd/0x170 [ 2380.880100][ T1167] do_syscall_64+0xc6/0x1e0 [ 2380.880100][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.880100][ T1167] [ 2380.882327][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2380.882327][ T1167] netdev_get_by_index+0x5e/0x80 [ 2380.882327][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2380.882327][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2380.882327][ T1167] ip6_route_add+0x1c/0x140 [ 2380.882327][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2380.882327][ T1167] addrconf_add_dev+0xe2/0x170 [ 2380.882327][ T1167] inet6_addr_add+0x12f/0xa40 [ 2380.882327][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2380.882327][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.882327][ T1167] netlink_rcv_skb+0x130/0x360 [ 2380.882327][ T1167] netlink_unicast+0x449/0x710 [ 2380.882327][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2380.882327][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2380.882327][ T1167] ___sys_sendmsg+0xee/0x170 [ 2380.882327][ T1167] __sys_sendmsg+0xcd/0x170 [ 2380.882327][ T1167] do_syscall_64+0xc6/0x1e0 [ 2380.882327][ T1167] [ 2380.884526][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2380.884526][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2380.884526][ T1167] ipv6_find_idev+0x102/0x170 [ 2380.884526][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2380.884526][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.884526][ T1167] netlink_rcv_skb+0x130/0x360 [ 2380.884526][ T1167] netlink_unicast+0x449/0x710 [ 2380.884526][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2380.884526][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2380.884526][ T1167] ___sys_sendmsg+0xee/0x170 [ 2380.884526][ T1167] __sys_sendmsg+0xcd/0x170 [ 2380.884526][ T1167] do_syscall_64+0xc6/0x1e0 [ 2380.884526][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.884526][ T1167] [ 2380.886237][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2380.886237][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2380.886237][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2380.886237][ T1167] ipv6_find_idev+0x102/0x170 [ 2380.886237][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2380.886237][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.886237][ T1167] netlink_rcv_skb+0x130/0x360 [ 2380.886237][ T1167] netlink_unicast+0x449/0x710 [ 2380.886237][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2380.886237][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2380.886237][ T1167] ___sys_sendmsg+0xee/0x170 [ 2380.886237][ T1167] __sys_sendmsg+0xcd/0x170 [ 2380.886237][ T1167] do_syscall_64+0xc6/0x1e0 [ 2380.886237][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.886237][ T1167] [ 2387.017069][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2387.017415][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2387.017415][ T10] netdev_get_by_index+0x5e/0x80 [ 2387.017415][ T10] fib6_nh_init+0x3d8/0x1580 [ 2387.017415][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2387.017415][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2387.017415][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2387.017415][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2387.017415][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2387.017415][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2387.017415][ T10] addrconf_dad_begin+0x310/0x670 [ 2387.017415][ T10] addrconf_dad_work+0x10b/0xab0 [ 2387.017415][ T10] process_one_work+0x84d/0x18a0 [ 2387.017415][ T10] worker_thread+0x587/0xd30 [ 2387.017415][ T10] kthread+0x28a/0x350 [ 2387.017415][ T10] ret_from_fork+0x31/0x70 [ 2387.017415][ T10] ret_from_fork_asm+0x1a/0x30 [ 2387.017415][ T10] [ 2387.019330][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2387.019330][ T10] netdev_get_by_index+0x5e/0x80 [ 2387.019330][ T10] fib6_nh_init+0x3d8/0x1580 [ 2387.019330][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2387.019330][ T10] ip6_route_add+0x1c/0x140 [ 2387.019330][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2387.019330][ T10] inet6_addr_add+0x4f8/0xa40 [ 2387.019330][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2387.019330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2387.019330][ T10] netlink_rcv_skb+0x130/0x360 [ 2387.019330][ T10] netlink_unicast+0x449/0x710 [ 2387.019330][ T10] netlink_sendmsg+0x723/0xbe0 [ 2387.019330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2387.019330][ T10] ___sys_sendmsg+0xee/0x170 [ 2387.019330][ T10] __sys_sendmsg+0xcd/0x170 [ 2387.019330][ T10] do_syscall_64+0xc6/0x1e0 [ 2387.019330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2387.019330][ T10] [ 2387.021315][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2387.021315][ T10] netdev_get_by_index+0x5e/0x80 [ 2387.021315][ T10] fib6_nh_init+0x3d8/0x1580 [ 2387.021315][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2387.021315][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2387.021315][ T10] ipv6_add_addr+0x411/0x2000 [ 2387.021315][ T10] inet6_addr_add+0x30e/0xa40 [ 2387.021315][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2387.021315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2387.021315][ T10] netlink_rcv_skb+0x130/0x360 [ 2387.021315][ T10] netlink_unicast+0x449/0x710 [ 2387.021315][ T10] netlink_sendmsg+0x723/0xbe0 [ 2387.021315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2387.021315][ T10] ___sys_sendmsg+0xee/0x170 [ 2387.021315][ T10] __sys_sendmsg+0xcd/0x170 [ 2387.021315][ T10] do_syscall_64+0xc6/0x1e0 [ 2387.021315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2387.021315][ T10] [ 2387.023302][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2387.023302][ T10] netdev_get_by_index+0x5e/0x80 [ 2387.023302][ T10] fib6_nh_init+0x3d8/0x1580 [ 2387.023302][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2387.023302][ T10] ip6_route_add+0x1c/0x140 [ 2387.023302][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2387.023302][ T10] addrconf_add_dev+0xe2/0x170 [ 2387.023302][ T10] inet6_addr_add+0x12f/0xa40 [ 2387.023302][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2387.023302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2387.023302][ T10] netlink_rcv_skb+0x130/0x360 [ 2387.023302][ T10] netlink_unicast+0x449/0x710 [ 2387.023302][ T10] netlink_sendmsg+0x723/0xbe0 [ 2387.023302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2387.023302][ T10] ___sys_sendmsg+0xee/0x170 [ 2387.023302][ T10] __sys_sendmsg+0xcd/0x170 [ 2387.023302][ T10] do_syscall_64+0xc6/0x1e0 [ 2387.023302][ T10] [ 2387.025793][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2387.025793][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2387.025793][ T10] ipv6_find_idev+0x102/0x170 [ 2387.025793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2387.025793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2387.025793][ T10] netlink_rcv_skb+0x130/0x360 [ 2387.025793][ T10] netlink_unicast+0x449/0x710 [ 2387.025793][ T10] netlink_sendmsg+0x723/0xbe0 [ 2387.025793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2387.025793][ T10] ___sys_sendmsg+0xee/0x170 [ 2387.025793][ T10] __sys_sendmsg+0xcd/0x170 [ 2387.025793][ T10] do_syscall_64+0xc6/0x1e0 [ 2387.025793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2387.025793][ T10] [ 2387.027336][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2387.027336][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2387.027336][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2387.027336][ T10] ipv6_find_idev+0x102/0x170 [ 2387.027336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2387.027336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2387.027336][ T10] netlink_rcv_skb+0x130/0x360 [ 2387.027336][ T10] netlink_unicast+0x449/0x710 [ 2387.027336][ T10] netlink_sendmsg+0x723/0xbe0 [ 2387.027336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2387.027336][ T10] ___sys_sendmsg+0xee/0x170 [ 2387.027336][ T10] __sys_sendmsg+0xcd/0x170 [ 2387.027336][ T10] do_syscall_64+0xc6/0x1e0 [ 2387.027336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2387.027336][ T10] [ 2387.029414][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2387.029659][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2387.029659][ T10] netdev_get_by_index+0x5e/0x80 [ 2387.029659][ T10] fib6_nh_init+0x3d8/0x1580 [ 2387.029659][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2387.029659][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2387.029659][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2387.029659][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2387.029659][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2387.029659][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2387.029659][ T10] addrconf_dad_begin+0x310/0x670 [ 2387.029659][ T10] addrconf_dad_work+0x10b/0xab0 [ 2387.029659][ T10] process_one_work+0x84d/0x18a0 [ 2387.029659][ T10] worker_thread+0x587/0xd30 [ 2387.029659][ T10] kthread+0x28a/0x350 [ 2387.029659][ T10] ret_from_fork+0x31/0x70 [ 2387.029659][ T10] ret_from_fork_asm+0x1a/0x30 [ 2387.029659][ T10] [ 2387.031543][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2387.031543][ T10] netdev_get_by_index+0x5e/0x80 [ 2387.031543][ T10] fib6_nh_init+0x3d8/0x1580 [ 2387.031543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2387.031543][ T10] ip6_route_add+0x1c/0x140 [ 2387.031543][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2387.031543][ T10] inet6_addr_add+0x4f8/0xa40 [ 2387.031543][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2387.031543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2387.031543][ T10] netlink_rcv_skb+0x130/0x360 [ 2387.031543][ T10] netlink_unicast+0x449/0x710 [ 2387.031543][ T10] netlink_sendmsg+0x723/0xbe0 [ 2387.031543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2387.031543][ T10] ___sys_sendmsg+0xee/0x170 [ 2387.031543][ T10] __sys_sendmsg+0xcd/0x170 [ 2387.031543][ T10] do_syscall_64+0xc6/0x1e0 [ 2387.031543][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2387.031543][ T10] [ 2387.033513][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2387.033513][ T10] netdev_get_by_index+0x5e/0x80 [ 2387.033513][ T10] fib6_nh_init+0x3d8/0x1580 [ 2387.033513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2387.033513][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2387.033513][ T10] ipv6_add_addr+0x411/0x2000 [ 2387.033513][ T10] inet6_addr_add+0x30e/0xa40 [ 2387.033513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2387.033513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2387.033513][ T10] netlink_rcv_skb+0x130/0x360 [ 2387.033513][ T10] netlink_unicast+0x449/0x710 [ 2387.033513][ T10] netlink_sendmsg+0x723/0xbe0 [ 2387.033513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2387.033513][ T10] ___sys_sendmsg+0xee/0x170 [ 2387.033513][ T10] __sys_sendmsg+0xcd/0x170 [ 2387.033513][ T10] do_syscall_64+0xc6/0x1e0 [ 2387.033513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2387.033513][ T10] [ 2387.035485][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2387.035485][ T10] netdev_get_by_index+0x5e/0x80 [ 2387.035485][ T10] fib6_nh_init+0x3d8/0x1580 [ 2387.035485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2387.035485][ T10] ip6_route_add+0x1c/0x140 [ 2387.035485][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2387.035485][ T10] addrconf_add_dev+0xe2/0x170 [ 2387.035485][ T10] inet6_addr_add+0x12f/0xa40 [ 2387.035485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2387.035485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2387.035485][ T10] netlink_rcv_skb+0x130/0x360 [ 2387.035485][ T10] netlink_unicast+0x449/0x710 [ 2387.035485][ T10] netlink_sendmsg+0x723/0xbe0 [ 2387.035485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2387.035485][ T10] ___sys_sendmsg+0xee/0x170 [ 2387.035485][ T10] __sys_sendmsg+0xcd/0x170 [ 2387.035485][ T10] do_syscall_64+0xc6/0x1e0 [ 2387.035485][ T10] [ 2387.037440][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2387.037440][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2387.037440][ T10] ipv6_find_idev+0x102/0x170 [ 2387.037440][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2387.037440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2387.037440][ T10] netlink_rcv_skb+0x130/0x360 [ 2387.037440][ T10] netlink_unicast+0x449/0x710 [ 2387.037440][ T10] netlink_sendmsg+0x723/0xbe0 [ 2387.037440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2387.037440][ T10] ___sys_sendmsg+0xee/0x170 [ 2387.037440][ T10] __sys_sendmsg+0xcd/0x170 [ 2387.037440][ T10] do_syscall_64+0xc6/0x1e0 [ 2387.037440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2387.037440][ T10] [ 2387.038959][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2387.038959][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2387.038959][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2387.038959][ T10] ipv6_find_idev+0x102/0x170 [ 2387.038959][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2387.038959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2387.038959][ T10] netlink_rcv_skb+0x130/0x360 [ 2387.038959][ T10] netlink_unicast+0x449/0x710 [ 2387.038959][ T10] netlink_sendmsg+0x723/0xbe0 [ 2387.038959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2387.038959][ T10] ___sys_sendmsg+0xee/0x170 [ 2387.038959][ T10] __sys_sendmsg+0xcd/0x170 [ 2387.038959][ T10] do_syscall_64+0xc6/0x1e0 [ 2387.038959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2387.038959][ T10] [ 2387.040620][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2387.040858][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2387.040858][ T10] netdev_get_by_index+0x5e/0x80 [ 2387.040858][ T10] fib6_nh_init+0x3d8/0x1580 [ 2387.040858][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2387.040858][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2387.040858][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2387.040858][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2387.040858][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2387.040858][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2387.040858][ T10] addrconf_dad_begin+0x310/0x670 [ 2387.040858][ T10] addrconf_dad_work+0x10b/0xab0 [ 2387.040858][ T10] process_one_work+0x84d/0x18a0 [ 2387.040858][ T10] worker_thread+0x587/0xd30 [ 2387.040858][ T10] kthread+0x28a/0x350 [ 2387.040858][ T10] ret_from_fork+0x31/0x70 [ 2387.040858][ T10] ret_from_fork_asm+0x1a/0x30 [ 2387.040858][ T10] [ 2387.042746][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2387.042746][ T10] netdev_get_by_index+0x5e/0x80 [ 2387.042746][ T10] fib6_nh_init+0x3d8/0x1580 [ 2387.042746][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2387.042746][ T10] ip6_route_add+0x1c/0x140 [ 2387.042746][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2387.042746][ T10] inet6_addr_add+0x4f8/0xa40 [ 2387.042746][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2387.042746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2387.042746][ T10] netlink_rcv_skb+0x130/0x360 [ 2387.042746][ T10] netlink_unicast+0x449/0x710 [ 2387.042746][ T10] netlink_sendmsg+0x723/0xbe0 [ 2387.042746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2387.042746][ T10] ___sys_sendmsg+0xee/0x170 [ 2387.042746][ T10] __sys_sendmsg+0xcd/0x170 [ 2387.042746][ T10] do_syscall_64+0xc6/0x1e0 [ 2387.042746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2387.042746][ T10] [ 2387.044880][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2387.044880][ T10] netdev_get_by_index+0x5e/0x80 [ 2387.044880][ T10] fib6_nh_init+0x3d8/0x1580 [ 2387.044880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2387.044880][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2387.044880][ T10] ipv6_add_addr+0x411/0x2000 [ 2387.044880][ T10] inet6_addr_add+0x30e/0xa40 [ 2387.044880][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2387.044880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2387.044880][ T10] netlink_rcv_skb+0x130/0x360 [ 2387.044880][ T10] netlink_unicast+0x449/0x710 [ 2387.044880][ T10] netlink_sendmsg+0x723/0xbe0 [ 2387.044880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2387.044880][ T10] ___sys_sendmsg+0xee/0x170 [ 2387.044880][ T10] __sys_sendmsg+0xcd/0x170 [ 2387.044880][ T10] do_syscall_64+0xc6/0x1e0 [ 2387.044880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2387.044880][ T10] [ 2387.047024][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2387.047024][ T10] netdev_get_by_index+0x5e/0x80 [ 2387.047024][ T10] fib6_nh_init+0x3d8/0x1580 [ 2387.047024][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2387.047024][ T10] ip6_route_add+0x1c/0x140 [ 2387.047024][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2387.047024][ T10] addrconf_add_dev+0xe2/0x170 [ 2387.047024][ T10] inet6_addr_add+0x12f/0xa40 [ 2387.047024][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2387.047024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2387.047024][ T10] netlink_rcv_skb+0x130/0x360 [ 2387.047024][ T10] netlink_unicast+0x449/0x710 [ 2387.047024][ T10] netlink_sendmsg+0x723/0xbe0 [ 2387.047024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2387.047024][ T10] ___sys_sendmsg+0xee/0x170 [ 2387.047024][ T10] __sys_sendmsg+0xcd/0x170 [ 2387.047024][ T10] do_syscall_64+0xc6/0x1e0 [ 2387.047024][ T10] [ 2387.049111][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2387.049111][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2387.049111][ T10] ipv6_find_idev+0x102/0x170 [ 2387.049111][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2387.049111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2387.049111][ T10] netlink_rcv_skb+0x130/0x360 [ 2387.049111][ T10] netlink_unicast+0x449/0x710 [ 2387.049111][ T10] netlink_sendmsg+0x723/0xbe0 [ 2387.049111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2387.049111][ T10] ___sys_sendmsg+0xee/0x170 [ 2387.049111][ T10] __sys_sendmsg+0xcd/0x170 [ 2387.049111][ T10] do_syscall_64+0xc6/0x1e0 [ 2387.049111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2387.049111][ T10] [ 2387.050781][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2387.050781][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2387.050781][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2387.050781][ T10] ipv6_find_idev+0x102/0x170 [ 2387.050781][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2387.050781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2387.050781][ T10] netlink_rcv_skb+0x130/0x360 [ 2387.050781][ T10] netlink_unicast+0x449/0x710 [ 2387.050781][ T10] netlink_sendmsg+0x723/0xbe0 [ 2387.050781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2387.050781][ T10] ___sys_sendmsg+0xee/0x170 [ 2387.050781][ T10] __sys_sendmsg+0xcd/0x170 [ 2387.050781][ T10] do_syscall_64+0xc6/0x1e0 [ 2387.050781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2387.050781][ T10] [ 2387.052530][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2387.052761][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2387.052761][ T10] netdev_get_by_index+0x5e/0x80 [ 2387.052761][ T10] fib6_nh_init+0x3d8/0x1580 [ 2387.052761][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2387.052761][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2387.052761][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2387.052761][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2387.052761][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2387.052761][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2387.052761][ T10] addrconf_dad_begin+0x310/0x670 [ 2387.052761][ T10] addrconf_dad_work+0x10b/0xab0 [ 2387.052761][ T10] process_one_work+0x84d/0x18a0 [ 2387.052761][ T10] worker_thread+0x587/0xd30 [ 2387.052761][ T10] kthread+0x28a/0x350 [ 2387.052761][ T10] ret_from_fork+0x31/0x70 [ 2387.052761][ T10] ret_from_fork_asm+0x1a/0x30 [ 2387.052761][ T10] [ 2387.054869][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2387.054869][ T10] netdev_get_by_index+0x5e/0x80 [ 2387.054869][ T10] fib6_nh_init+0x3d8/0x1580 [ 2387.054869][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2387.054869][ T10] ip6_route_add+0x1c/0x140 [ 2387.054869][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2387.054869][ T10] inet6_addr_add+0x4f8/0xa40 [ 2387.054869][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2387.054869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2387.054869][ T10] netlink_rcv_skb+0x130/0x360 [ 2387.054869][ T10] netlink_unicast+0x449/0x710 [ 2387.054869][ T10] netlink_sendmsg+0x723/0xbe0 [ 2387.054869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2387.054869][ T10] ___sys_sendmsg+0xee/0x170 [ 2387.054869][ T10] __sys_sendmsg+0xcd/0x170 [ 2387.054869][ T10] do_syscall_64+0xc6/0x1e0 [ 2387.054869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2387.054869][ T10] [ 2387.056995][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2387.056995][ T10] netdev_get_by_index+0x5e/0x80 [ 2387.056995][ T10] fib6_nh_init+0x3d8/0x1580 [ 2387.056995][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2387.056995][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2387.056995][ T10] ipv6_add_addr+0x411/0x2000 [ 2387.056995][ T10] inet6_addr_add+0x30e/0xa40 [ 2387.056995][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2387.056995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2387.056995][ T10] netlink_rcv_skb+0x130/0x360 [ 2387.056995][ T10] netlink_unicast+0x449/0x710 [ 2387.056995][ T10] netlink_sendmsg+0x723/0xbe0 [ 2387.056995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2387.056995][ T10] ___sys_sendmsg+0xee/0x170 [ 2387.056995][ T10] __sys_sendmsg+0xcd/0x170 [ 2387.056995][ T10] do_syscall_64+0xc6/0x1e0 [ 2387.056995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2387.056995][ T10] [ 2387.059182][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2387.059182][ T10] netdev_get_by_index+0x5e/0x80 [ 2387.059182][ T10] fib6_nh_init+0x3d8/0x1580 [ 2387.059182][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2387.059182][ T10] ip6_route_add+0x1c/0x140 [ 2387.059182][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2387.059182][ T10] addrconf_add_dev+0xe2/0x170 [ 2387.059182][ T10] inet6_addr_add+0x12f/0xa40 [ 2387.059182][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2387.059182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2387.059182][ T10] netlink_rcv_skb+0x130/0x360 [ 2387.059182][ T10] netlink_unicast+0x449/0x710 [ 2387.059182][ T10] netlink_sendmsg+0x723/0xbe0 [ 2387.059182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2387.059182][ T10] ___sys_sendmsg+0xee/0x170 [ 2387.059182][ T10] __sys_sendmsg+0xcd/0x170 [ 2387.059182][ T10] do_syscall_64+0xc6/0x1e0 [ 2387.059182][ T10] [ 2387.061384][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2387.061384][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2387.061384][ T10] ipv6_find_idev+0x102/0x170 [ 2387.061384][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2387.061384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2387.061384][ T10] netlink_rcv_skb+0x130/0x360 [ 2387.061384][ T10] netlink_unicast+0x449/0x710 [ 2387.061384][ T10] netlink_sendmsg+0x723/0xbe0 [ 2387.061384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2387.061384][ T10] ___sys_sendmsg+0xee/0x170 [ 2387.061384][ T10] __sys_sendmsg+0xcd/0x170 [ 2387.061384][ T10] do_syscall_64+0xc6/0x1e0 [ 2387.061384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2387.061384][ T10] [ 2387.063099][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2387.063099][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2387.063099][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2387.063099][ T10] ipv6_find_idev+0x102/0x170 [ 2387.063099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2387.063099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2387.063099][ T10] netlink_rcv_skb+0x130/0x360 [ 2387.063099][ T10] netlink_unicast+0x449/0x710 [ 2387.063099][ T10] netlink_sendmsg+0x723/0xbe0 [ 2387.063099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2387.063099][ T10] ___sys_sendmsg+0xee/0x170 [ 2387.063099][ T10] __sys_sendmsg+0xcd/0x170 [ 2387.063099][ T10] do_syscall_64+0xc6/0x1e0 [ 2387.063099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2387.063099][ T10] [ 2391.129100][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2391.129566][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2391.129566][ T1167] dst_init+0x84/0x4a0 [ 2391.129566][ T1167] dst_alloc+0x97/0x150 [ 2391.129566][ T1167] ip6_dst_alloc+0x23/0x90 [ 2391.129566][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2391.129566][ T1167] ip6_pol_route+0x56f/0x840 [ 2391.129566][ T1167] fib6_rule_lookup+0x334/0x630 [ 2391.129566][ T1167] ip6_route_output_flags+0x259/0x480 [ 2391.129566][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2391.129566][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2391.129566][ T1167] netlink_rcv_skb+0x130/0x360 [ 2391.129566][ T1167] netlink_unicast+0x449/0x710 [ 2391.129566][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2391.129566][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2391.129566][ T1167] ___sys_sendmsg+0xee/0x170 [ 2391.129566][ T1167] __sys_sendmsg+0xcd/0x170 [ 2391.129566][ T1167] do_syscall_64+0xc6/0x1e0 [ 2391.129566][ T1167] [ 2391.131879][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2391.131879][ T1167] netdev_get_by_index+0x5e/0x80 [ 2391.131879][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2391.131879][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2391.131879][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2391.131879][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2391.131879][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2391.131879][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2391.131879][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2391.131879][ T1167] addrconf_dad_begin+0x310/0x670 [ 2391.131879][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2391.131879][ T1167] process_one_work+0x84d/0x18a0 [ 2391.131879][ T1167] worker_thread+0x587/0xd30 [ 2391.131879][ T1167] kthread+0x28a/0x350 [ 2391.131879][ T1167] ret_from_fork+0x31/0x70 [ 2391.131879][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2391.131879][ T1167] [ 2391.134144][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2391.134144][ T1167] netdev_get_by_index+0x5e/0x80 [ 2391.134144][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2391.134144][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2391.134144][ T1167] ip6_route_add+0x1c/0x140 [ 2391.134144][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2391.134144][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2391.134144][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2391.134144][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.134144][ T1167] netlink_rcv_skb+0x130/0x360 [ 2391.134144][ T1167] netlink_unicast+0x449/0x710 [ 2391.134144][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2391.134144][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2391.134144][ T1167] ___sys_sendmsg+0xee/0x170 [ 2391.134144][ T1167] __sys_sendmsg+0xcd/0x170 [ 2391.134144][ T1167] do_syscall_64+0xc6/0x1e0 [ 2391.134144][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.134144][ T1167] [ 2391.136513][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2391.136513][ T1167] netdev_get_by_index+0x5e/0x80 [ 2391.136513][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2391.136513][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2391.136513][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2391.136513][ T1167] ipv6_add_addr+0x411/0x2000 [ 2391.136513][ T1167] inet6_addr_add+0x30e/0xa40 [ 2391.136513][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2391.136513][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.136513][ T1167] netlink_rcv_skb+0x130/0x360 [ 2391.136513][ T1167] netlink_unicast+0x449/0x710 [ 2391.136513][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2391.136513][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2391.136513][ T1167] ___sys_sendmsg+0xee/0x170 [ 2391.136513][ T1167] __sys_sendmsg+0xcd/0x170 [ 2391.136513][ T1167] do_syscall_64+0xc6/0x1e0 [ 2391.136513][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.136513][ T1167] [ 2391.138907][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2391.138907][ T1167] netdev_get_by_index+0x5e/0x80 [ 2391.138907][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2391.138907][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2391.138907][ T1167] ip6_route_add+0x1c/0x140 [ 2391.138907][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2391.138907][ T1167] addrconf_add_dev+0xe2/0x170 [ 2391.138907][ T1167] inet6_addr_add+0x12f/0xa40 [ 2391.138907][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2391.138907][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.138907][ T1167] netlink_rcv_skb+0x130/0x360 [ 2391.138907][ T1167] netlink_unicast+0x449/0x710 [ 2391.138907][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2391.138907][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2391.138907][ T1167] ___sys_sendmsg+0xee/0x170 [ 2391.138907][ T1167] __sys_sendmsg+0xcd/0x170 [ 2391.138907][ T1167] do_syscall_64+0xc6/0x1e0 [ 2391.138907][ T1167] [ 2391.141188][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2391.141188][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2391.141188][ T1167] ipv6_find_idev+0x102/0x170 [ 2391.141188][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2391.141188][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.141188][ T1167] netlink_rcv_skb+0x130/0x360 [ 2391.141188][ T1167] netlink_unicast+0x449/0x710 [ 2391.141188][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2391.141188][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2391.141188][ T1167] ___sys_sendmsg+0xee/0x170 [ 2391.141188][ T1167] __sys_sendmsg+0xcd/0x170 [ 2391.141188][ T1167] do_syscall_64+0xc6/0x1e0 [ 2391.141188][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.141188][ T1167] [ 2391.142907][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2391.142907][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2391.142907][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2391.142907][ T1167] ipv6_find_idev+0x102/0x170 [ 2391.142907][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2391.142907][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2391.142907][ T1167] netlink_rcv_skb+0x130/0x360 [ 2391.142907][ T1167] netlink_unicast+0x449/0x710 [ 2391.142907][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2391.142907][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2391.142907][ T1167] ___sys_sendmsg+0xee/0x170 [ 2391.142907][ T1167] __sys_sendmsg+0xcd/0x170 [ 2391.142907][ T1167] do_syscall_64+0xc6/0x1e0 [ 2391.142907][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2391.142907][ T1167] [ 2397.233104][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2397.233487][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2397.233487][ T10] netdev_get_by_index+0x5e/0x80 [ 2397.233487][ T10] fib6_nh_init+0x3d8/0x1580 [ 2397.233487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2397.233487][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2397.233487][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2397.233487][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2397.233487][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2397.233487][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2397.233487][ T10] addrconf_dad_begin+0x310/0x670 [ 2397.233487][ T10] addrconf_dad_work+0x10b/0xab0 [ 2397.233487][ T10] process_one_work+0x84d/0x18a0 [ 2397.233487][ T10] worker_thread+0x587/0xd30 [ 2397.233487][ T10] kthread+0x28a/0x350 [ 2397.233487][ T10] ret_from_fork+0x31/0x70 [ 2397.233487][ T10] ret_from_fork_asm+0x1a/0x30 [ 2397.233487][ T10] [ 2397.235623][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2397.235623][ T10] netdev_get_by_index+0x5e/0x80 [ 2397.235623][ T10] fib6_nh_init+0x3d8/0x1580 [ 2397.235623][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2397.235623][ T10] ip6_route_add+0x1c/0x140 [ 2397.235623][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2397.235623][ T10] inet6_addr_add+0x4f8/0xa40 [ 2397.235623][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2397.235623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2397.235623][ T10] netlink_rcv_skb+0x130/0x360 [ 2397.235623][ T10] netlink_unicast+0x449/0x710 [ 2397.235623][ T10] netlink_sendmsg+0x723/0xbe0 [ 2397.235623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2397.235623][ T10] ___sys_sendmsg+0xee/0x170 [ 2397.235623][ T10] __sys_sendmsg+0xcd/0x170 [ 2397.235623][ T10] do_syscall_64+0xc6/0x1e0 [ 2397.235623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2397.235623][ T10] [ 2397.237705][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2397.237705][ T10] netdev_get_by_index+0x5e/0x80 [ 2397.237705][ T10] fib6_nh_init+0x3d8/0x1580 [ 2397.237705][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2397.237705][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2397.237705][ T10] ipv6_add_addr+0x411/0x2000 [ 2397.237705][ T10] inet6_addr_add+0x30e/0xa40 [ 2397.237705][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2397.237705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2397.237705][ T10] netlink_rcv_skb+0x130/0x360 [ 2397.237705][ T10] netlink_unicast+0x449/0x710 [ 2397.237705][ T10] netlink_sendmsg+0x723/0xbe0 [ 2397.237705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2397.237705][ T10] ___sys_sendmsg+0xee/0x170 [ 2397.237705][ T10] __sys_sendmsg+0xcd/0x170 [ 2397.237705][ T10] do_syscall_64+0xc6/0x1e0 [ 2397.237705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2397.237705][ T10] [ 2397.239703][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2397.239703][ T10] netdev_get_by_index+0x5e/0x80 [ 2397.239703][ T10] fib6_nh_init+0x3d8/0x1580 [ 2397.239703][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2397.239703][ T10] ip6_route_add+0x1c/0x140 [ 2397.239703][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2397.239703][ T10] addrconf_add_dev+0xe2/0x170 [ 2397.239703][ T10] inet6_addr_add+0x12f/0xa40 [ 2397.239703][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2397.239703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2397.239703][ T10] netlink_rcv_skb+0x130/0x360 [ 2397.239703][ T10] netlink_unicast+0x449/0x710 [ 2397.239703][ T10] netlink_sendmsg+0x723/0xbe0 [ 2397.239703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2397.239703][ T10] ___sys_sendmsg+0xee/0x170 [ 2397.239703][ T10] __sys_sendmsg+0xcd/0x170 [ 2397.239703][ T10] do_syscall_64+0xc6/0x1e0 [ 2397.239703][ T10] [ 2397.241724][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2397.241724][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2397.241724][ T10] ipv6_find_idev+0x102/0x170 [ 2397.241724][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2397.241724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2397.241724][ T10] netlink_rcv_skb+0x130/0x360 [ 2397.241724][ T10] netlink_unicast+0x449/0x710 [ 2397.241724][ T10] netlink_sendmsg+0x723/0xbe0 [ 2397.241724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2397.241724][ T10] ___sys_sendmsg+0xee/0x170 [ 2397.241724][ T10] __sys_sendmsg+0xcd/0x170 [ 2397.241724][ T10] do_syscall_64+0xc6/0x1e0 [ 2397.241724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2397.241724][ T10] [ 2397.243280][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2397.243280][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2397.243280][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2397.243280][ T10] ipv6_find_idev+0x102/0x170 [ 2397.243280][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2397.243280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2397.243280][ T10] netlink_rcv_skb+0x130/0x360 [ 2397.243280][ T10] netlink_unicast+0x449/0x710 [ 2397.243280][ T10] netlink_sendmsg+0x723/0xbe0 [ 2397.243280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2397.243280][ T10] ___sys_sendmsg+0xee/0x170 [ 2397.243280][ T10] __sys_sendmsg+0xcd/0x170 [ 2397.243280][ T10] do_syscall_64+0xc6/0x1e0 [ 2397.243280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2397.243280][ T10] [ 2397.245063][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2397.245325][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2397.245325][ T10] netdev_get_by_index+0x5e/0x80 [ 2397.245325][ T10] fib6_nh_init+0x3d8/0x1580 [ 2397.245325][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2397.245325][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2397.245325][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2397.245325][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2397.245325][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2397.245325][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2397.245325][ T10] addrconf_dad_begin+0x310/0x670 [ 2397.245325][ T10] addrconf_dad_work+0x10b/0xab0 [ 2397.245325][ T10] process_one_work+0x84d/0x18a0 [ 2397.245325][ T10] worker_thread+0x587/0xd30 [ 2397.245325][ T10] kthread+0x28a/0x350 [ 2397.245325][ T10] ret_from_fork+0x31/0x70 [ 2397.245325][ T10] ret_from_fork_asm+0x1a/0x30 [ 2397.245325][ T10] [ 2397.247344][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2397.247344][ T10] netdev_get_by_index+0x5e/0x80 [ 2397.247344][ T10] fib6_nh_init+0x3d8/0x1580 [ 2397.247344][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2397.247344][ T10] ip6_route_add+0x1c/0x140 [ 2397.247344][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2397.247344][ T10] inet6_addr_add+0x4f8/0xa40 [ 2397.247344][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2397.247344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2397.247344][ T10] netlink_rcv_skb+0x130/0x360 [ 2397.247344][ T10] netlink_unicast+0x449/0x710 [ 2397.247344][ T10] netlink_sendmsg+0x723/0xbe0 [ 2397.247344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2397.247344][ T10] ___sys_sendmsg+0xee/0x170 [ 2397.247344][ T10] __sys_sendmsg+0xcd/0x170 [ 2397.247344][ T10] do_syscall_64+0xc6/0x1e0 [ 2397.247344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2397.247344][ T10] [ 2397.249478][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2397.249478][ T10] netdev_get_by_index+0x5e/0x80 [ 2397.249478][ T10] fib6_nh_init+0x3d8/0x1580 [ 2397.249478][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2397.249478][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2397.249478][ T10] ipv6_add_addr+0x411/0x2000 [ 2397.249478][ T10] inet6_addr_add+0x30e/0xa40 [ 2397.249478][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2397.249478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2397.249478][ T10] netlink_rcv_skb+0x130/0x360 [ 2397.249478][ T10] netlink_unicast+0x449/0x710 [ 2397.249478][ T10] netlink_sendmsg+0x723/0xbe0 [ 2397.249478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2397.249478][ T10] ___sys_sendmsg+0xee/0x170 [ 2397.249478][ T10] __sys_sendmsg+0xcd/0x170 [ 2397.249478][ T10] do_syscall_64+0xc6/0x1e0 [ 2397.249478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2397.249478][ T10] [ 2397.251590][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2397.251590][ T10] netdev_get_by_index+0x5e/0x80 [ 2397.251590][ T10] fib6_nh_init+0x3d8/0x1580 [ 2397.251590][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2397.251590][ T10] ip6_route_add+0x1c/0x140 [ 2397.251590][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2397.251590][ T10] addrconf_add_dev+0xe2/0x170 [ 2397.251590][ T10] inet6_addr_add+0x12f/0xa40 [ 2397.251590][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2397.251590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2397.251590][ T10] netlink_rcv_skb+0x130/0x360 [ 2397.251590][ T10] netlink_unicast+0x449/0x710 [ 2397.251590][ T10] netlink_sendmsg+0x723/0xbe0 [ 2397.251590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2397.251590][ T10] ___sys_sendmsg+0xee/0x170 [ 2397.251590][ T10] __sys_sendmsg+0xcd/0x170 [ 2397.251590][ T10] do_syscall_64+0xc6/0x1e0 [ 2397.251590][ T10] [ 2397.253680][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2397.253680][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2397.253680][ T10] ipv6_find_idev+0x102/0x170 [ 2397.253680][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2397.253680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2397.253680][ T10] netlink_rcv_skb+0x130/0x360 [ 2397.253680][ T10] netlink_unicast+0x449/0x710 [ 2397.253680][ T10] netlink_sendmsg+0x723/0xbe0 [ 2397.253680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2397.253680][ T10] ___sys_sendmsg+0xee/0x170 [ 2397.253680][ T10] __sys_sendmsg+0xcd/0x170 [ 2397.253680][ T10] do_syscall_64+0xc6/0x1e0 [ 2397.253680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2397.253680][ T10] [ 2397.255260][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2397.255260][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2397.255260][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2397.255260][ T10] ipv6_find_idev+0x102/0x170 [ 2397.255260][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2397.255260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2397.255260][ T10] netlink_rcv_skb+0x130/0x360 [ 2397.255260][ T10] netlink_unicast+0x449/0x710 [ 2397.255260][ T10] netlink_sendmsg+0x723/0xbe0 [ 2397.255260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2397.255260][ T10] ___sys_sendmsg+0xee/0x170 [ 2397.255260][ T10] __sys_sendmsg+0xcd/0x170 [ 2397.255260][ T10] do_syscall_64+0xc6/0x1e0 [ 2397.255260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2397.255260][ T10] [ 2397.257016][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2397.257270][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2397.257270][ T10] netdev_get_by_index+0x5e/0x80 [ 2397.257270][ T10] fib6_nh_init+0x3d8/0x1580 [ 2397.257270][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2397.257270][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2397.257270][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2397.257270][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2397.257270][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2397.257270][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2397.257270][ T10] addrconf_dad_begin+0x310/0x670 [ 2397.257270][ T10] addrconf_dad_work+0x10b/0xab0 [ 2397.257270][ T10] process_one_work+0x84d/0x18a0 [ 2397.257270][ T10] worker_thread+0x587/0xd30 [ 2397.257270][ T10] kthread+0x28a/0x350 [ 2397.257270][ T10] ret_from_fork+0x31/0x70 [ 2397.257270][ T10] ret_from_fork_asm+0x1a/0x30 [ 2397.257270][ T10] [ 2397.259212][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2397.259212][ T10] netdev_get_by_index+0x5e/0x80 [ 2397.259212][ T10] fib6_nh_init+0x3d8/0x1580 [ 2397.259212][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2397.259212][ T10] ip6_route_add+0x1c/0x140 [ 2397.259212][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2397.259212][ T10] inet6_addr_add+0x4f8/0xa40 [ 2397.259212][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2397.259212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2397.259212][ T10] netlink_rcv_skb+0x130/0x360 [ 2397.259212][ T10] netlink_unicast+0x449/0x710 [ 2397.259212][ T10] netlink_sendmsg+0x723/0xbe0 [ 2397.259212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2397.259212][ T10] ___sys_sendmsg+0xee/0x170 [ 2397.259212][ T10] __sys_sendmsg+0xcd/0x170 [ 2397.259212][ T10] do_syscall_64+0xc6/0x1e0 [ 2397.259212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2397.259212][ T10] [ 2397.261432][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2397.261432][ T10] netdev_get_by_index+0x5e/0x80 [ 2397.261432][ T10] fib6_nh_init+0x3d8/0x1580 [ 2397.261432][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2397.261432][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2397.261432][ T10] ipv6_add_addr+0x411/0x2000 [ 2397.261432][ T10] inet6_addr_add+0x30e/0xa40 [ 2397.261432][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2397.261432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2397.261432][ T10] netlink_rcv_skb+0x130/0x360 [ 2397.261432][ T10] netlink_unicast+0x449/0x710 [ 2397.261432][ T10] netlink_sendmsg+0x723/0xbe0 [ 2397.261432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2397.261432][ T10] ___sys_sendmsg+0xee/0x170 [ 2397.261432][ T10] __sys_sendmsg+0xcd/0x170 [ 2397.261432][ T10] do_syscall_64+0xc6/0x1e0 [ 2397.261432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2397.261432][ T10] [ 2397.263705][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2397.263705][ T10] netdev_get_by_index+0x5e/0x80 [ 2397.263705][ T10] fib6_nh_init+0x3d8/0x1580 [ 2397.263705][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2397.263705][ T10] ip6_route_add+0x1c/0x140 [ 2397.263705][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2397.263705][ T10] addrconf_add_dev+0xe2/0x170 [ 2397.263705][ T10] inet6_addr_add+0x12f/0xa40 [ 2397.263705][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2397.263705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2397.263705][ T10] netlink_rcv_skb+0x130/0x360 [ 2397.263705][ T10] netlink_unicast+0x449/0x710 [ 2397.263705][ T10] netlink_sendmsg+0x723/0xbe0 [ 2397.263705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2397.263705][ T10] ___sys_sendmsg+0xee/0x170 [ 2397.263705][ T10] __sys_sendmsg+0xcd/0x170 [ 2397.263705][ T10] do_syscall_64+0xc6/0x1e0 [ 2397.263705][ T10] [ 2397.266011][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2397.266011][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2397.266011][ T10] ipv6_find_idev+0x102/0x170 [ 2397.266011][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2397.266011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2397.266011][ T10] netlink_rcv_skb+0x130/0x360 [ 2397.266011][ T10] netlink_unicast+0x449/0x710 [ 2397.266011][ T10] netlink_sendmsg+0x723/0xbe0 [ 2397.266011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2397.266011][ T10] ___sys_sendmsg+0xee/0x170 [ 2397.266011][ T10] __sys_sendmsg+0xcd/0x170 [ 2397.266011][ T10] do_syscall_64+0xc6/0x1e0 [ 2397.266011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2397.266011][ T10] [ 2397.267819][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2397.267819][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2397.267819][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2397.267819][ T10] ipv6_find_idev+0x102/0x170 [ 2397.267819][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2397.267819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2397.267819][ T10] netlink_rcv_skb+0x130/0x360 [ 2397.267819][ T10] netlink_unicast+0x449/0x710 [ 2397.267819][ T10] netlink_sendmsg+0x723/0xbe0 [ 2397.267819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2397.267819][ T10] ___sys_sendmsg+0xee/0x170 [ 2397.267819][ T10] __sys_sendmsg+0xcd/0x170 [ 2397.267819][ T10] do_syscall_64+0xc6/0x1e0 [ 2397.267819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2397.267819][ T10] [ 2397.269814][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2397.270130][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2397.270130][ T10] netdev_get_by_index+0x5e/0x80 [ 2397.270130][ T10] fib6_nh_init+0x3d8/0x1580 [ 2397.270130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2397.270130][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2397.270130][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2397.270130][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2397.270130][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2397.270130][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2397.270130][ T10] addrconf_dad_begin+0x310/0x670 [ 2397.270130][ T10] addrconf_dad_work+0x10b/0xab0 [ 2397.270130][ T10] process_one_work+0x84d/0x18a0 [ 2397.270130][ T10] worker_thread+0x587/0xd30 [ 2397.270130][ T10] kthread+0x28a/0x350 [ 2397.270130][ T10] ret_from_fork+0x31/0x70 [ 2397.270130][ T10] ret_from_fork_asm+0x1a/0x30 [ 2397.270130][ T10] [ 2397.272346][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2397.272346][ T10] netdev_get_by_index+0x5e/0x80 [ 2397.272346][ T10] fib6_nh_init+0x3d8/0x1580 [ 2397.272346][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2397.272346][ T10] ip6_route_add+0x1c/0x140 [ 2397.272346][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2397.272346][ T10] inet6_addr_add+0x4f8/0xa40 [ 2397.272346][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2397.272346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2397.272346][ T10] netlink_rcv_skb+0x130/0x360 [ 2397.272346][ T10] netlink_unicast+0x449/0x710 [ 2397.272346][ T10] netlink_sendmsg+0x723/0xbe0 [ 2397.272346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2397.272346][ T10] ___sys_sendmsg+0xee/0x170 [ 2397.272346][ T10] __sys_sendmsg+0xcd/0x170 [ 2397.272346][ T10] do_syscall_64+0xc6/0x1e0 [ 2397.272346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2397.272346][ T10] [ 2397.274768][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2397.274768][ T10] netdev_get_by_index+0x5e/0x80 [ 2397.274768][ T10] fib6_nh_init+0x3d8/0x1580 [ 2397.274768][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2397.274768][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2397.274768][ T10] ipv6_add_addr+0x411/0x2000 [ 2397.274768][ T10] inet6_addr_add+0x30e/0xa40 [ 2397.274768][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2397.274768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2397.274768][ T10] netlink_rcv_skb+0x130/0x360 [ 2397.274768][ T10] netlink_unicast+0x449/0x710 [ 2397.274768][ T10] netlink_sendmsg+0x723/0xbe0 [ 2397.274768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2397.274768][ T10] ___sys_sendmsg+0xee/0x170 [ 2397.274768][ T10] __sys_sendmsg+0xcd/0x170 [ 2397.274768][ T10] do_syscall_64+0xc6/0x1e0 [ 2397.274768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2397.274768][ T10] [ 2397.277030][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2397.277030][ T10] netdev_get_by_index+0x5e/0x80 [ 2397.277030][ T10] fib6_nh_init+0x3d8/0x1580 [ 2397.277030][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2397.277030][ T10] ip6_route_add+0x1c/0x140 [ 2397.277030][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2397.277030][ T10] addrconf_add_dev+0xe2/0x170 [ 2397.277030][ T10] inet6_addr_add+0x12f/0xa40 [ 2397.277030][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2397.277030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2397.277030][ T10] netlink_rcv_skb+0x130/0x360 [ 2397.277030][ T10] netlink_unicast+0x449/0x710 [ 2397.277030][ T10] netlink_sendmsg+0x723/0xbe0 [ 2397.277030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2397.277030][ T10] ___sys_sendmsg+0xee/0x170 [ 2397.277030][ T10] __sys_sendmsg+0xcd/0x170 [ 2397.277030][ T10] do_syscall_64+0xc6/0x1e0 [ 2397.277030][ T10] [ 2397.279304][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2397.279304][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2397.279304][ T10] ipv6_find_idev+0x102/0x170 [ 2397.279304][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2397.279304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2397.279304][ T10] netlink_rcv_skb+0x130/0x360 [ 2397.279304][ T10] netlink_unicast+0x449/0x710 [ 2397.279304][ T10] netlink_sendmsg+0x723/0xbe0 [ 2397.279304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2397.279304][ T10] ___sys_sendmsg+0xee/0x170 [ 2397.279304][ T10] __sys_sendmsg+0xcd/0x170 [ 2397.279304][ T10] do_syscall_64+0xc6/0x1e0 [ 2397.279304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2397.279304][ T10] [ 2397.281073][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2397.281073][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2397.281073][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2397.281073][ T10] ipv6_find_idev+0x102/0x170 [ 2397.281073][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2397.281073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2397.281073][ T10] netlink_rcv_skb+0x130/0x360 [ 2397.281073][ T10] netlink_unicast+0x449/0x710 [ 2397.281073][ T10] netlink_sendmsg+0x723/0xbe0 [ 2397.281073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2397.281073][ T10] ___sys_sendmsg+0xee/0x170 [ 2397.281073][ T10] __sys_sendmsg+0xcd/0x170 [ 2397.281073][ T10] do_syscall_64+0xc6/0x1e0 [ 2397.281073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2397.281073][ T10] [ 2401.385037][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2401.385540][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2401.385540][ T1167] dst_init+0x84/0x4a0 [ 2401.385540][ T1167] dst_alloc+0x97/0x150 [ 2401.385540][ T1167] ip6_dst_alloc+0x23/0x90 [ 2401.385540][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2401.385540][ T1167] ip6_pol_route+0x56f/0x840 [ 2401.385540][ T1167] fib6_rule_lookup+0x334/0x630 [ 2401.385540][ T1167] ip6_route_output_flags+0x259/0x480 [ 2401.385540][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2401.385540][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2401.385540][ T1167] netlink_rcv_skb+0x130/0x360 [ 2401.385540][ T1167] netlink_unicast+0x449/0x710 [ 2401.385540][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2401.385540][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2401.385540][ T1167] ___sys_sendmsg+0xee/0x170 [ 2401.385540][ T1167] __sys_sendmsg+0xcd/0x170 [ 2401.385540][ T1167] do_syscall_64+0xc6/0x1e0 [ 2401.385540][ T1167] [ 2401.387818][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2401.387818][ T1167] netdev_get_by_index+0x5e/0x80 [ 2401.387818][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2401.387818][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2401.387818][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2401.387818][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2401.387818][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2401.387818][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2401.387818][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2401.387818][ T1167] addrconf_dad_begin+0x310/0x670 [ 2401.387818][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2401.387818][ T1167] process_one_work+0x84d/0x18a0 [ 2401.387818][ T1167] worker_thread+0x587/0xd30 [ 2401.387818][ T1167] kthread+0x28a/0x350 [ 2401.387818][ T1167] ret_from_fork+0x31/0x70 [ 2401.387818][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2401.387818][ T1167] [ 2401.390077][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2401.390077][ T1167] netdev_get_by_index+0x5e/0x80 [ 2401.390077][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2401.390077][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2401.390077][ T1167] ip6_route_add+0x1c/0x140 [ 2401.390077][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2401.390077][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2401.390077][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2401.390077][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.390077][ T1167] netlink_rcv_skb+0x130/0x360 [ 2401.390077][ T1167] netlink_unicast+0x449/0x710 [ 2401.390077][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2401.390077][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2401.390077][ T1167] ___sys_sendmsg+0xee/0x170 [ 2401.390077][ T1167] __sys_sendmsg+0xcd/0x170 [ 2401.390077][ T1167] do_syscall_64+0xc6/0x1e0 [ 2401.390077][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.390077][ T1167] [ 2401.392362][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2401.392362][ T1167] netdev_get_by_index+0x5e/0x80 [ 2401.392362][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2401.392362][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2401.392362][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2401.392362][ T1167] ipv6_add_addr+0x411/0x2000 [ 2401.392362][ T1167] inet6_addr_add+0x30e/0xa40 [ 2401.392362][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2401.392362][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.392362][ T1167] netlink_rcv_skb+0x130/0x360 [ 2401.392362][ T1167] netlink_unicast+0x449/0x710 [ 2401.392362][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2401.392362][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2401.392362][ T1167] ___sys_sendmsg+0xee/0x170 [ 2401.392362][ T1167] __sys_sendmsg+0xcd/0x170 [ 2401.392362][ T1167] do_syscall_64+0xc6/0x1e0 [ 2401.392362][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.392362][ T1167] [ 2401.395218][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2401.395218][ T1167] netdev_get_by_index+0x5e/0x80 [ 2401.395218][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2401.395218][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2401.395218][ T1167] ip6_route_add+0x1c/0x140 [ 2401.395218][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2401.395218][ T1167] addrconf_add_dev+0xe2/0x170 [ 2401.395218][ T1167] inet6_addr_add+0x12f/0xa40 [ 2401.395218][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2401.395218][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.395218][ T1167] netlink_rcv_skb+0x130/0x360 [ 2401.395218][ T1167] netlink_unicast+0x449/0x710 [ 2401.395218][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2401.395218][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2401.395218][ T1167] ___sys_sendmsg+0xee/0x170 [ 2401.395218][ T1167] __sys_sendmsg+0xcd/0x170 [ 2401.395218][ T1167] do_syscall_64+0xc6/0x1e0 [ 2401.395218][ T1167] [ 2401.398606][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2401.398606][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2401.398606][ T1167] ipv6_find_idev+0x102/0x170 [ 2401.398606][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2401.398606][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.398606][ T1167] netlink_rcv_skb+0x130/0x360 [ 2401.398606][ T1167] netlink_unicast+0x449/0x710 [ 2401.398606][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2401.398606][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2401.398606][ T1167] ___sys_sendmsg+0xee/0x170 [ 2401.398606][ T1167] __sys_sendmsg+0xcd/0x170 [ 2401.398606][ T1167] do_syscall_64+0xc6/0x1e0 [ 2401.398606][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.398606][ T1167] [ 2401.401347][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2401.401347][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2401.401347][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2401.401347][ T1167] ipv6_find_idev+0x102/0x170 [ 2401.401347][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2401.401347][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2401.401347][ T1167] netlink_rcv_skb+0x130/0x360 [ 2401.401347][ T1167] netlink_unicast+0x449/0x710 [ 2401.401347][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2401.401347][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2401.401347][ T1167] ___sys_sendmsg+0xee/0x170 [ 2401.401347][ T1167] __sys_sendmsg+0xcd/0x170 [ 2401.401347][ T1167] do_syscall_64+0xc6/0x1e0 [ 2401.401347][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2401.401347][ T1167] [ 2407.521077][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2407.521457][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2407.521457][ T10] netdev_get_by_index+0x5e/0x80 [ 2407.521457][ T10] fib6_nh_init+0x3d8/0x1580 [ 2407.521457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2407.521457][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2407.521457][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2407.521457][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2407.521457][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2407.521457][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2407.521457][ T10] addrconf_dad_begin+0x310/0x670 [ 2407.521457][ T10] addrconf_dad_work+0x10b/0xab0 [ 2407.521457][ T10] process_one_work+0x84d/0x18a0 [ 2407.521457][ T10] worker_thread+0x587/0xd30 [ 2407.521457][ T10] kthread+0x28a/0x350 [ 2407.521457][ T10] ret_from_fork+0x31/0x70 [ 2407.521457][ T10] ret_from_fork_asm+0x1a/0x30 [ 2407.521457][ T10] [ 2407.523696][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2407.523696][ T10] netdev_get_by_index+0x5e/0x80 [ 2407.523696][ T10] fib6_nh_init+0x3d8/0x1580 [ 2407.523696][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2407.523696][ T10] ip6_route_add+0x1c/0x140 [ 2407.523696][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2407.523696][ T10] inet6_addr_add+0x4f8/0xa40 [ 2407.523696][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2407.523696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2407.523696][ T10] netlink_rcv_skb+0x130/0x360 [ 2407.523696][ T10] netlink_unicast+0x449/0x710 [ 2407.523696][ T10] netlink_sendmsg+0x723/0xbe0 [ 2407.523696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2407.523696][ T10] ___sys_sendmsg+0xee/0x170 [ 2407.523696][ T10] __sys_sendmsg+0xcd/0x170 [ 2407.523696][ T10] do_syscall_64+0xc6/0x1e0 [ 2407.523696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2407.523696][ T10] [ 2407.525889][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2407.525889][ T10] netdev_get_by_index+0x5e/0x80 [ 2407.525889][ T10] fib6_nh_init+0x3d8/0x1580 [ 2407.525889][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2407.525889][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2407.525889][ T10] ipv6_add_addr+0x411/0x2000 [ 2407.525889][ T10] inet6_addr_add+0x30e/0xa40 [ 2407.525889][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2407.525889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2407.525889][ T10] netlink_rcv_skb+0x130/0x360 [ 2407.525889][ T10] netlink_unicast+0x449/0x710 [ 2407.525889][ T10] netlink_sendmsg+0x723/0xbe0 [ 2407.525889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2407.525889][ T10] ___sys_sendmsg+0xee/0x170 [ 2407.525889][ T10] __sys_sendmsg+0xcd/0x170 [ 2407.525889][ T10] do_syscall_64+0xc6/0x1e0 [ 2407.525889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2407.525889][ T10] [ 2407.528093][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2407.528093][ T10] netdev_get_by_index+0x5e/0x80 [ 2407.528093][ T10] fib6_nh_init+0x3d8/0x1580 [ 2407.528093][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2407.528093][ T10] ip6_route_add+0x1c/0x140 [ 2407.528093][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2407.528093][ T10] addrconf_add_dev+0xe2/0x170 [ 2407.528093][ T10] inet6_addr_add+0x12f/0xa40 [ 2407.528093][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2407.528093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2407.528093][ T10] netlink_rcv_skb+0x130/0x360 [ 2407.528093][ T10] netlink_unicast+0x449/0x710 [ 2407.528093][ T10] netlink_sendmsg+0x723/0xbe0 [ 2407.528093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2407.528093][ T10] ___sys_sendmsg+0xee/0x170 [ 2407.528093][ T10] __sys_sendmsg+0xcd/0x170 [ 2407.528093][ T10] do_syscall_64+0xc6/0x1e0 [ 2407.528093][ T10] [ 2407.530253][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2407.530253][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2407.530253][ T10] ipv6_find_idev+0x102/0x170 [ 2407.530253][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2407.530253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2407.530253][ T10] netlink_rcv_skb+0x130/0x360 [ 2407.530253][ T10] netlink_unicast+0x449/0x710 [ 2407.530253][ T10] netlink_sendmsg+0x723/0xbe0 [ 2407.530253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2407.530253][ T10] ___sys_sendmsg+0xee/0x170 [ 2407.530253][ T10] __sys_sendmsg+0xcd/0x170 [ 2407.530253][ T10] do_syscall_64+0xc6/0x1e0 [ 2407.530253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2407.530253][ T10] [ 2407.531936][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2407.531936][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2407.531936][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2407.531936][ T10] ipv6_find_idev+0x102/0x170 [ 2407.531936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2407.531936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2407.531936][ T10] netlink_rcv_skb+0x130/0x360 [ 2407.531936][ T10] netlink_unicast+0x449/0x710 [ 2407.531936][ T10] netlink_sendmsg+0x723/0xbe0 [ 2407.531936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2407.531936][ T10] ___sys_sendmsg+0xee/0x170 [ 2407.531936][ T10] __sys_sendmsg+0xcd/0x170 [ 2407.531936][ T10] do_syscall_64+0xc6/0x1e0 [ 2407.531936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2407.531936][ T10] [ 2407.533791][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2407.534064][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2407.534064][ T10] netdev_get_by_index+0x5e/0x80 [ 2407.534064][ T10] fib6_nh_init+0x3d8/0x1580 [ 2407.534064][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2407.534064][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2407.534064][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2407.534064][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2407.534064][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2407.534064][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2407.534064][ T10] addrconf_dad_begin+0x310/0x670 [ 2407.534064][ T10] addrconf_dad_work+0x10b/0xab0 [ 2407.534064][ T10] process_one_work+0x84d/0x18a0 [ 2407.534064][ T10] worker_thread+0x587/0xd30 [ 2407.534064][ T10] kthread+0x28a/0x350 [ 2407.534064][ T10] ret_from_fork+0x31/0x70 [ 2407.534064][ T10] ret_from_fork_asm+0x1a/0x30 [ 2407.534064][ T10] [ 2407.536150][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2407.536150][ T10] netdev_get_by_index+0x5e/0x80 [ 2407.536150][ T10] fib6_nh_init+0x3d8/0x1580 [ 2407.536150][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2407.536150][ T10] ip6_route_add+0x1c/0x140 [ 2407.536150][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2407.536150][ T10] inet6_addr_add+0x4f8/0xa40 [ 2407.536150][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2407.536150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2407.536150][ T10] netlink_rcv_skb+0x130/0x360 [ 2407.536150][ T10] netlink_unicast+0x449/0x710 [ 2407.536150][ T10] netlink_sendmsg+0x723/0xbe0 [ 2407.536150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2407.536150][ T10] ___sys_sendmsg+0xee/0x170 [ 2407.536150][ T10] __sys_sendmsg+0xcd/0x170 [ 2407.536150][ T10] do_syscall_64+0xc6/0x1e0 [ 2407.536150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2407.536150][ T10] [ 2407.538343][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2407.538343][ T10] netdev_get_by_index+0x5e/0x80 [ 2407.538343][ T10] fib6_nh_init+0x3d8/0x1580 [ 2407.538343][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2407.538343][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2407.538343][ T10] ipv6_add_addr+0x411/0x2000 [ 2407.538343][ T10] inet6_addr_add+0x30e/0xa40 [ 2407.538343][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2407.538343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2407.538343][ T10] netlink_rcv_skb+0x130/0x360 [ 2407.538343][ T10] netlink_unicast+0x449/0x710 [ 2407.538343][ T10] netlink_sendmsg+0x723/0xbe0 [ 2407.538343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2407.538343][ T10] ___sys_sendmsg+0xee/0x170 [ 2407.538343][ T10] __sys_sendmsg+0xcd/0x170 [ 2407.538343][ T10] do_syscall_64+0xc6/0x1e0 [ 2407.538343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2407.538343][ T10] [ 2407.540534][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2407.540534][ T10] netdev_get_by_index+0x5e/0x80 [ 2407.540534][ T10] fib6_nh_init+0x3d8/0x1580 [ 2407.540534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2407.540534][ T10] ip6_route_add+0x1c/0x140 [ 2407.540534][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2407.540534][ T10] addrconf_add_dev+0xe2/0x170 [ 2407.540534][ T10] inet6_addr_add+0x12f/0xa40 [ 2407.540534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2407.540534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2407.540534][ T10] netlink_rcv_skb+0x130/0x360 [ 2407.540534][ T10] netlink_unicast+0x449/0x710 [ 2407.540534][ T10] netlink_sendmsg+0x723/0xbe0 [ 2407.540534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2407.540534][ T10] ___sys_sendmsg+0xee/0x170 [ 2407.540534][ T10] __sys_sendmsg+0xcd/0x170 [ 2407.540534][ T10] do_syscall_64+0xc6/0x1e0 [ 2407.540534][ T10] [ 2407.542677][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2407.542677][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2407.542677][ T10] ipv6_find_idev+0x102/0x170 [ 2407.542677][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2407.542677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2407.542677][ T10] netlink_rcv_skb+0x130/0x360 [ 2407.542677][ T10] netlink_unicast+0x449/0x710 [ 2407.542677][ T10] netlink_sendmsg+0x723/0xbe0 [ 2407.542677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2407.542677][ T10] ___sys_sendmsg+0xee/0x170 [ 2407.542677][ T10] __sys_sendmsg+0xcd/0x170 [ 2407.542677][ T10] do_syscall_64+0xc6/0x1e0 [ 2407.542677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2407.542677][ T10] [ 2407.544361][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2407.544361][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2407.544361][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2407.544361][ T10] ipv6_find_idev+0x102/0x170 [ 2407.544361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2407.544361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2407.544361][ T10] netlink_rcv_skb+0x130/0x360 [ 2407.544361][ T10] netlink_unicast+0x449/0x710 [ 2407.544361][ T10] netlink_sendmsg+0x723/0xbe0 [ 2407.544361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2407.544361][ T10] ___sys_sendmsg+0xee/0x170 [ 2407.544361][ T10] __sys_sendmsg+0xcd/0x170 [ 2407.544361][ T10] do_syscall_64+0xc6/0x1e0 [ 2407.544361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2407.544361][ T10] [ 2407.546202][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2407.546460][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2407.546460][ T10] netdev_get_by_index+0x5e/0x80 [ 2407.546460][ T10] fib6_nh_init+0x3d8/0x1580 [ 2407.546460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2407.546460][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2407.546460][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2407.546460][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2407.546460][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2407.546460][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2407.546460][ T10] addrconf_dad_begin+0x310/0x670 [ 2407.546460][ T10] addrconf_dad_work+0x10b/0xab0 [ 2407.546460][ T10] process_one_work+0x84d/0x18a0 [ 2407.546460][ T10] worker_thread+0x587/0xd30 [ 2407.546460][ T10] kthread+0x28a/0x350 [ 2407.546460][ T10] ret_from_fork+0x31/0x70 [ 2407.546460][ T10] ret_from_fork_asm+0x1a/0x30 [ 2407.546460][ T10] [ 2407.548568][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2407.548568][ T10] netdev_get_by_index+0x5e/0x80 [ 2407.548568][ T10] fib6_nh_init+0x3d8/0x1580 [ 2407.548568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2407.548568][ T10] ip6_route_add+0x1c/0x140 [ 2407.548568][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2407.548568][ T10] inet6_addr_add+0x4f8/0xa40 [ 2407.548568][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2407.548568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2407.548568][ T10] netlink_rcv_skb+0x130/0x360 [ 2407.548568][ T10] netlink_unicast+0x449/0x710 [ 2407.548568][ T10] netlink_sendmsg+0x723/0xbe0 [ 2407.548568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2407.548568][ T10] ___sys_sendmsg+0xee/0x170 [ 2407.548568][ T10] __sys_sendmsg+0xcd/0x170 [ 2407.548568][ T10] do_syscall_64+0xc6/0x1e0 [ 2407.548568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2407.548568][ T10] [ 2407.550907][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2407.550907][ T10] netdev_get_by_index+0x5e/0x80 [ 2407.550907][ T10] fib6_nh_init+0x3d8/0x1580 [ 2407.550907][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2407.550907][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2407.550907][ T10] ipv6_add_addr+0x411/0x2000 [ 2407.550907][ T10] inet6_addr_add+0x30e/0xa40 [ 2407.550907][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2407.550907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2407.550907][ T10] netlink_rcv_skb+0x130/0x360 [ 2407.550907][ T10] netlink_unicast+0x449/0x710 [ 2407.550907][ T10] netlink_sendmsg+0x723/0xbe0 [ 2407.550907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2407.550907][ T10] ___sys_sendmsg+0xee/0x170 [ 2407.550907][ T10] __sys_sendmsg+0xcd/0x170 [ 2407.550907][ T10] do_syscall_64+0xc6/0x1e0 [ 2407.550907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2407.550907][ T10] [ 2407.553216][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2407.553216][ T10] netdev_get_by_index+0x5e/0x80 [ 2407.553216][ T10] fib6_nh_init+0x3d8/0x1580 [ 2407.553216][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2407.553216][ T10] ip6_route_add+0x1c/0x140 [ 2407.553216][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2407.553216][ T10] addrconf_add_dev+0xe2/0x170 [ 2407.553216][ T10] inet6_addr_add+0x12f/0xa40 [ 2407.553216][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2407.553216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2407.553216][ T10] netlink_rcv_skb+0x130/0x360 [ 2407.553216][ T10] netlink_unicast+0x449/0x710 [ 2407.553216][ T10] netlink_sendmsg+0x723/0xbe0 [ 2407.553216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2407.553216][ T10] ___sys_sendmsg+0xee/0x170 [ 2407.553216][ T10] __sys_sendmsg+0xcd/0x170 [ 2407.553216][ T10] do_syscall_64+0xc6/0x1e0 [ 2407.553216][ T10] [ 2407.555494][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2407.555494][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2407.555494][ T10] ipv6_find_idev+0x102/0x170 [ 2407.555494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2407.555494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2407.555494][ T10] netlink_rcv_skb+0x130/0x360 [ 2407.555494][ T10] netlink_unicast+0x449/0x710 [ 2407.555494][ T10] netlink_sendmsg+0x723/0xbe0 [ 2407.555494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2407.555494][ T10] ___sys_sendmsg+0xee/0x170 [ 2407.555494][ T10] __sys_sendmsg+0xcd/0x170 [ 2407.555494][ T10] do_syscall_64+0xc6/0x1e0 [ 2407.555494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2407.555494][ T10] [ 2407.557319][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2407.557319][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2407.557319][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2407.557319][ T10] ipv6_find_idev+0x102/0x170 [ 2407.557319][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2407.557319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2407.557319][ T10] netlink_rcv_skb+0x130/0x360 [ 2407.557319][ T10] netlink_unicast+0x449/0x710 [ 2407.557319][ T10] netlink_sendmsg+0x723/0xbe0 [ 2407.557319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2407.557319][ T10] ___sys_sendmsg+0xee/0x170 [ 2407.557319][ T10] __sys_sendmsg+0xcd/0x170 [ 2407.557319][ T10] do_syscall_64+0xc6/0x1e0 [ 2407.557319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2407.557319][ T10] [ 2407.559456][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2407.559693][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2407.559693][ T10] netdev_get_by_index+0x5e/0x80 [ 2407.559693][ T10] fib6_nh_init+0x3d8/0x1580 [ 2407.559693][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2407.559693][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2407.559693][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2407.559693][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2407.559693][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2407.559693][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2407.559693][ T10] addrconf_dad_begin+0x310/0x670 [ 2407.559693][ T10] addrconf_dad_work+0x10b/0xab0 [ 2407.559693][ T10] process_one_work+0x84d/0x18a0 [ 2407.559693][ T10] worker_thread+0x587/0xd30 [ 2407.559693][ T10] kthread+0x28a/0x350 [ 2407.559693][ T10] ret_from_fork+0x31/0x70 [ 2407.559693][ T10] ret_from_fork_asm+0x1a/0x30 [ 2407.559693][ T10] [ 2407.561584][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2407.561584][ T10] netdev_get_by_index+0x5e/0x80 [ 2407.561584][ T10] fib6_nh_init+0x3d8/0x1580 [ 2407.561584][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2407.561584][ T10] ip6_route_add+0x1c/0x140 [ 2407.561584][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2407.561584][ T10] inet6_addr_add+0x4f8/0xa40 [ 2407.561584][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2407.561584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2407.561584][ T10] netlink_rcv_skb+0x130/0x360 [ 2407.561584][ T10] netlink_unicast+0x449/0x710 [ 2407.561584][ T10] netlink_sendmsg+0x723/0xbe0 [ 2407.561584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2407.561584][ T10] ___sys_sendmsg+0xee/0x170 [ 2407.561584][ T10] __sys_sendmsg+0xcd/0x170 [ 2407.561584][ T10] do_syscall_64+0xc6/0x1e0 [ 2407.561584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2407.561584][ T10] [ 2407.563635][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2407.563635][ T10] netdev_get_by_index+0x5e/0x80 [ 2407.563635][ T10] fib6_nh_init+0x3d8/0x1580 [ 2407.563635][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2407.563635][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2407.563635][ T10] ipv6_add_addr+0x411/0x2000 [ 2407.563635][ T10] inet6_addr_add+0x30e/0xa40 [ 2407.563635][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2407.563635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2407.563635][ T10] netlink_rcv_skb+0x130/0x360 [ 2407.563635][ T10] netlink_unicast+0x449/0x710 [ 2407.563635][ T10] netlink_sendmsg+0x723/0xbe0 [ 2407.563635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2407.563635][ T10] ___sys_sendmsg+0xee/0x170 [ 2407.563635][ T10] __sys_sendmsg+0xcd/0x170 [ 2407.563635][ T10] do_syscall_64+0xc6/0x1e0 [ 2407.563635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2407.563635][ T10] [ 2407.565745][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2407.565745][ T10] netdev_get_by_index+0x5e/0x80 [ 2407.565745][ T10] fib6_nh_init+0x3d8/0x1580 [ 2407.565745][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2407.565745][ T10] ip6_route_add+0x1c/0x140 [ 2407.565745][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2407.565745][ T10] addrconf_add_dev+0xe2/0x170 [ 2407.565745][ T10] inet6_addr_add+0x12f/0xa40 [ 2407.565745][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2407.565745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2407.565745][ T10] netlink_rcv_skb+0x130/0x360 [ 2407.565745][ T10] netlink_unicast+0x449/0x710 [ 2407.565745][ T10] netlink_sendmsg+0x723/0xbe0 [ 2407.565745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2407.565745][ T10] ___sys_sendmsg+0xee/0x170 [ 2407.565745][ T10] __sys_sendmsg+0xcd/0x170 [ 2407.565745][ T10] do_syscall_64+0xc6/0x1e0 [ 2407.565745][ T10] [ 2407.567935][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2407.567935][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2407.567935][ T10] ipv6_find_idev+0x102/0x170 [ 2407.567935][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2407.567935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2407.567935][ T10] netlink_rcv_skb+0x130/0x360 [ 2407.567935][ T10] netlink_unicast+0x449/0x710 [ 2407.567935][ T10] netlink_sendmsg+0x723/0xbe0 [ 2407.567935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2407.567935][ T10] ___sys_sendmsg+0xee/0x170 [ 2407.567935][ T10] __sys_sendmsg+0xcd/0x170 [ 2407.567935][ T10] do_syscall_64+0xc6/0x1e0 [ 2407.567935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2407.567935][ T10] [ 2407.569684][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2407.569684][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2407.569684][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2407.569684][ T10] ipv6_find_idev+0x102/0x170 [ 2407.569684][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2407.569684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2407.569684][ T10] netlink_rcv_skb+0x130/0x360 [ 2407.569684][ T10] netlink_unicast+0x449/0x710 [ 2407.569684][ T10] netlink_sendmsg+0x723/0xbe0 [ 2407.569684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2407.569684][ T10] ___sys_sendmsg+0xee/0x170 [ 2407.569684][ T10] __sys_sendmsg+0xcd/0x170 [ 2407.569684][ T10] do_syscall_64+0xc6/0x1e0 [ 2407.569684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2407.569684][ T10] [ 2411.641084][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2411.641528][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2411.641528][ T1167] dst_init+0x84/0x4a0 [ 2411.641528][ T1167] dst_alloc+0x97/0x150 [ 2411.641528][ T1167] ip6_dst_alloc+0x23/0x90 [ 2411.641528][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2411.641528][ T1167] ip6_pol_route+0x56f/0x840 [ 2411.641528][ T1167] fib6_rule_lookup+0x334/0x630 [ 2411.641528][ T1167] ip6_route_output_flags+0x259/0x480 [ 2411.641528][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2411.641528][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2411.641528][ T1167] netlink_rcv_skb+0x130/0x360 [ 2411.641528][ T1167] netlink_unicast+0x449/0x710 [ 2411.641528][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2411.641528][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2411.641528][ T1167] ___sys_sendmsg+0xee/0x170 [ 2411.641528][ T1167] __sys_sendmsg+0xcd/0x170 [ 2411.641528][ T1167] do_syscall_64+0xc6/0x1e0 [ 2411.641528][ T1167] [ 2411.643788][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2411.643788][ T1167] netdev_get_by_index+0x5e/0x80 [ 2411.643788][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2411.643788][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2411.643788][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2411.643788][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2411.643788][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2411.643788][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2411.643788][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2411.643788][ T1167] addrconf_dad_begin+0x310/0x670 [ 2411.643788][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2411.643788][ T1167] process_one_work+0x84d/0x18a0 [ 2411.643788][ T1167] worker_thread+0x587/0xd30 [ 2411.643788][ T1167] kthread+0x28a/0x350 [ 2411.643788][ T1167] ret_from_fork+0x31/0x70 [ 2411.643788][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2411.643788][ T1167] [ 2411.645979][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2411.645979][ T1167] netdev_get_by_index+0x5e/0x80 [ 2411.645979][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2411.645979][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2411.645979][ T1167] ip6_route_add+0x1c/0x140 [ 2411.645979][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2411.645979][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2411.645979][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.645979][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.645979][ T1167] netlink_rcv_skb+0x130/0x360 [ 2411.645979][ T1167] netlink_unicast+0x449/0x710 [ 2411.645979][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2411.645979][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2411.645979][ T1167] ___sys_sendmsg+0xee/0x170 [ 2411.645979][ T1167] __sys_sendmsg+0xcd/0x170 [ 2411.645979][ T1167] do_syscall_64+0xc6/0x1e0 [ 2411.645979][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.645979][ T1167] [ 2411.648310][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2411.648310][ T1167] netdev_get_by_index+0x5e/0x80 [ 2411.648310][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2411.648310][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2411.648310][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2411.648310][ T1167] ipv6_add_addr+0x411/0x2000 [ 2411.648310][ T1167] inet6_addr_add+0x30e/0xa40 [ 2411.648310][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.648310][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.648310][ T1167] netlink_rcv_skb+0x130/0x360 [ 2411.648310][ T1167] netlink_unicast+0x449/0x710 [ 2411.648310][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2411.648310][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2411.648310][ T1167] ___sys_sendmsg+0xee/0x170 [ 2411.648310][ T1167] __sys_sendmsg+0xcd/0x170 [ 2411.648310][ T1167] do_syscall_64+0xc6/0x1e0 [ 2411.648310][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.648310][ T1167] [ 2411.650631][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2411.650631][ T1167] netdev_get_by_index+0x5e/0x80 [ 2411.650631][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2411.650631][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2411.650631][ T1167] ip6_route_add+0x1c/0x140 [ 2411.650631][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2411.650631][ T1167] addrconf_add_dev+0xe2/0x170 [ 2411.650631][ T1167] inet6_addr_add+0x12f/0xa40 [ 2411.650631][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.650631][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.650631][ T1167] netlink_rcv_skb+0x130/0x360 [ 2411.650631][ T1167] netlink_unicast+0x449/0x710 [ 2411.650631][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2411.650631][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2411.650631][ T1167] ___sys_sendmsg+0xee/0x170 [ 2411.650631][ T1167] __sys_sendmsg+0xcd/0x170 [ 2411.650631][ T1167] do_syscall_64+0xc6/0x1e0 [ 2411.650631][ T1167] [ 2411.652880][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2411.652880][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2411.652880][ T1167] ipv6_find_idev+0x102/0x170 [ 2411.652880][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2411.652880][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.652880][ T1167] netlink_rcv_skb+0x130/0x360 [ 2411.652880][ T1167] netlink_unicast+0x449/0x710 [ 2411.652880][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2411.652880][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2411.652880][ T1167] ___sys_sendmsg+0xee/0x170 [ 2411.652880][ T1167] __sys_sendmsg+0xcd/0x170 [ 2411.652880][ T1167] do_syscall_64+0xc6/0x1e0 [ 2411.652880][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.652880][ T1167] [ 2411.654638][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2411.654638][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2411.654638][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2411.654638][ T1167] ipv6_find_idev+0x102/0x170 [ 2411.654638][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2411.654638][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.654638][ T1167] netlink_rcv_skb+0x130/0x360 [ 2411.654638][ T1167] netlink_unicast+0x449/0x710 [ 2411.654638][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2411.654638][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2411.654638][ T1167] ___sys_sendmsg+0xee/0x170 [ 2411.654638][ T1167] __sys_sendmsg+0xcd/0x170 [ 2411.654638][ T1167] do_syscall_64+0xc6/0x1e0 [ 2411.654638][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.654638][ T1167] [ 2417.809105][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2417.809448][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2417.809448][ T10] netdev_get_by_index+0x5e/0x80 [ 2417.809448][ T10] fib6_nh_init+0x3d8/0x1580 [ 2417.809448][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2417.809448][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2417.809448][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2417.809448][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2417.809448][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2417.809448][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2417.809448][ T10] addrconf_dad_begin+0x310/0x670 [ 2417.809448][ T10] addrconf_dad_work+0x10b/0xab0 [ 2417.809448][ T10] process_one_work+0x84d/0x18a0 [ 2417.809448][ T10] worker_thread+0x587/0xd30 [ 2417.809448][ T10] kthread+0x28a/0x350 [ 2417.809448][ T10] ret_from_fork+0x31/0x70 [ 2417.809448][ T10] ret_from_fork_asm+0x1a/0x30 [ 2417.809448][ T10] [ 2417.811384][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2417.811384][ T10] netdev_get_by_index+0x5e/0x80 [ 2417.811384][ T10] fib6_nh_init+0x3d8/0x1580 [ 2417.811384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2417.811384][ T10] ip6_route_add+0x1c/0x140 [ 2417.811384][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2417.811384][ T10] inet6_addr_add+0x4f8/0xa40 [ 2417.811384][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2417.811384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2417.811384][ T10] netlink_rcv_skb+0x130/0x360 [ 2417.811384][ T10] netlink_unicast+0x449/0x710 [ 2417.811384][ T10] netlink_sendmsg+0x723/0xbe0 [ 2417.811384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2417.811384][ T10] ___sys_sendmsg+0xee/0x170 [ 2417.811384][ T10] __sys_sendmsg+0xcd/0x170 [ 2417.811384][ T10] do_syscall_64+0xc6/0x1e0 [ 2417.811384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2417.811384][ T10] [ 2417.813405][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2417.813405][ T10] netdev_get_by_index+0x5e/0x80 [ 2417.813405][ T10] fib6_nh_init+0x3d8/0x1580 [ 2417.813405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2417.813405][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2417.813405][ T10] ipv6_add_addr+0x411/0x2000 [ 2417.813405][ T10] inet6_addr_add+0x30e/0xa40 [ 2417.813405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2417.813405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2417.813405][ T10] netlink_rcv_skb+0x130/0x360 [ 2417.813405][ T10] netlink_unicast+0x449/0x710 [ 2417.813405][ T10] netlink_sendmsg+0x723/0xbe0 [ 2417.813405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2417.813405][ T10] ___sys_sendmsg+0xee/0x170 [ 2417.813405][ T10] __sys_sendmsg+0xcd/0x170 [ 2417.813405][ T10] do_syscall_64+0xc6/0x1e0 [ 2417.813405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2417.813405][ T10] [ 2417.815438][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2417.815438][ T10] netdev_get_by_index+0x5e/0x80 [ 2417.815438][ T10] fib6_nh_init+0x3d8/0x1580 [ 2417.815438][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2417.815438][ T10] ip6_route_add+0x1c/0x140 [ 2417.815438][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2417.815438][ T10] addrconf_add_dev+0xe2/0x170 [ 2417.815438][ T10] inet6_addr_add+0x12f/0xa40 [ 2417.815438][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2417.815438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2417.815438][ T10] netlink_rcv_skb+0x130/0x360 [ 2417.815438][ T10] netlink_unicast+0x449/0x710 [ 2417.815438][ T10] netlink_sendmsg+0x723/0xbe0 [ 2417.815438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2417.815438][ T10] ___sys_sendmsg+0xee/0x170 [ 2417.815438][ T10] __sys_sendmsg+0xcd/0x170 [ 2417.815438][ T10] do_syscall_64+0xc6/0x1e0 [ 2417.815438][ T10] [ 2417.817419][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2417.817419][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2417.817419][ T10] ipv6_find_idev+0x102/0x170 [ 2417.817419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2417.817419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2417.817419][ T10] netlink_rcv_skb+0x130/0x360 [ 2417.817419][ T10] netlink_unicast+0x449/0x710 [ 2417.817419][ T10] netlink_sendmsg+0x723/0xbe0 [ 2417.817419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2417.817419][ T10] ___sys_sendmsg+0xee/0x170 [ 2417.817419][ T10] __sys_sendmsg+0xcd/0x170 [ 2417.817419][ T10] do_syscall_64+0xc6/0x1e0 [ 2417.817419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2417.817419][ T10] [ 2417.818965][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2417.818965][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2417.818965][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2417.818965][ T10] ipv6_find_idev+0x102/0x170 [ 2417.818965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2417.818965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2417.818965][ T10] netlink_rcv_skb+0x130/0x360 [ 2417.818965][ T10] netlink_unicast+0x449/0x710 [ 2417.818965][ T10] netlink_sendmsg+0x723/0xbe0 [ 2417.818965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2417.818965][ T10] ___sys_sendmsg+0xee/0x170 [ 2417.818965][ T10] __sys_sendmsg+0xcd/0x170 [ 2417.818965][ T10] do_syscall_64+0xc6/0x1e0 [ 2417.818965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2417.818965][ T10] [ 2417.820655][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2417.820895][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2417.820895][ T10] netdev_get_by_index+0x5e/0x80 [ 2417.820895][ T10] fib6_nh_init+0x3d8/0x1580 [ 2417.820895][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2417.820895][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2417.820895][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2417.820895][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2417.820895][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2417.820895][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2417.820895][ T10] addrconf_dad_begin+0x310/0x670 [ 2417.820895][ T10] addrconf_dad_work+0x10b/0xab0 [ 2417.820895][ T10] process_one_work+0x84d/0x18a0 [ 2417.820895][ T10] worker_thread+0x587/0xd30 [ 2417.820895][ T10] kthread+0x28a/0x350 [ 2417.820895][ T10] ret_from_fork+0x31/0x70 [ 2417.820895][ T10] ret_from_fork_asm+0x1a/0x30 [ 2417.820895][ T10] [ 2417.822813][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2417.822813][ T10] netdev_get_by_index+0x5e/0x80 [ 2417.822813][ T10] fib6_nh_init+0x3d8/0x1580 [ 2417.822813][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2417.822813][ T10] ip6_route_add+0x1c/0x140 [ 2417.822813][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2417.822813][ T10] inet6_addr_add+0x4f8/0xa40 [ 2417.822813][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2417.822813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2417.822813][ T10] netlink_rcv_skb+0x130/0x360 [ 2417.822813][ T10] netlink_unicast+0x449/0x710 [ 2417.822813][ T10] netlink_sendmsg+0x723/0xbe0 [ 2417.822813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2417.822813][ T10] ___sys_sendmsg+0xee/0x170 [ 2417.822813][ T10] __sys_sendmsg+0xcd/0x170 [ 2417.822813][ T10] do_syscall_64+0xc6/0x1e0 [ 2417.822813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2417.822813][ T10] [ 2417.824803][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2417.824803][ T10] netdev_get_by_index+0x5e/0x80 [ 2417.824803][ T10] fib6_nh_init+0x3d8/0x1580 [ 2417.824803][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2417.824803][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2417.824803][ T10] ipv6_add_addr+0x411/0x2000 [ 2417.824803][ T10] inet6_addr_add+0x30e/0xa40 [ 2417.824803][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2417.824803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2417.824803][ T10] netlink_rcv_skb+0x130/0x360 [ 2417.824803][ T10] netlink_unicast+0x449/0x710 [ 2417.824803][ T10] netlink_sendmsg+0x723/0xbe0 [ 2417.824803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2417.824803][ T10] ___sys_sendmsg+0xee/0x170 [ 2417.824803][ T10] __sys_sendmsg+0xcd/0x170 [ 2417.824803][ T10] do_syscall_64+0xc6/0x1e0 [ 2417.824803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2417.824803][ T10] [ 2417.826808][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2417.826808][ T10] netdev_get_by_index+0x5e/0x80 [ 2417.826808][ T10] fib6_nh_init+0x3d8/0x1580 [ 2417.826808][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2417.826808][ T10] ip6_route_add+0x1c/0x140 [ 2417.826808][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2417.826808][ T10] addrconf_add_dev+0xe2/0x170 [ 2417.826808][ T10] inet6_addr_add+0x12f/0xa40 [ 2417.826808][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2417.826808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2417.826808][ T10] netlink_rcv_skb+0x130/0x360 [ 2417.826808][ T10] netlink_unicast+0x449/0x710 [ 2417.826808][ T10] netlink_sendmsg+0x723/0xbe0 [ 2417.826808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2417.826808][ T10] ___sys_sendmsg+0xee/0x170 [ 2417.826808][ T10] __sys_sendmsg+0xcd/0x170 [ 2417.826808][ T10] do_syscall_64+0xc6/0x1e0 [ 2417.826808][ T10] [ 2417.829290][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2417.829290][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2417.829290][ T10] ipv6_find_idev+0x102/0x170 [ 2417.829290][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2417.829290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2417.829290][ T10] netlink_rcv_skb+0x130/0x360 [ 2417.829290][ T10] netlink_unicast+0x449/0x710 [ 2417.829290][ T10] netlink_sendmsg+0x723/0xbe0 [ 2417.829290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2417.829290][ T10] ___sys_sendmsg+0xee/0x170 [ 2417.829290][ T10] __sys_sendmsg+0xcd/0x170 [ 2417.829290][ T10] do_syscall_64+0xc6/0x1e0 [ 2417.829290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2417.829290][ T10] [ 2417.830822][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2417.830822][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2417.830822][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2417.830822][ T10] ipv6_find_idev+0x102/0x170 [ 2417.830822][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2417.830822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2417.830822][ T10] netlink_rcv_skb+0x130/0x360 [ 2417.830822][ T10] netlink_unicast+0x449/0x710 [ 2417.830822][ T10] netlink_sendmsg+0x723/0xbe0 [ 2417.830822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2417.830822][ T10] ___sys_sendmsg+0xee/0x170 [ 2417.830822][ T10] __sys_sendmsg+0xcd/0x170 [ 2417.830822][ T10] do_syscall_64+0xc6/0x1e0 [ 2417.830822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2417.830822][ T10] [ 2417.832487][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2417.833119][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2417.833119][ T10] netdev_get_by_index+0x5e/0x80 [ 2417.833119][ T10] fib6_nh_init+0x3d8/0x1580 [ 2417.833119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2417.833119][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2417.833119][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2417.833119][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2417.833119][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2417.833119][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2417.833119][ T10] addrconf_dad_begin+0x310/0x670 [ 2417.833119][ T10] addrconf_dad_work+0x10b/0xab0 [ 2417.833119][ T10] process_one_work+0x84d/0x18a0 [ 2417.833119][ T10] worker_thread+0x587/0xd30 [ 2417.833119][ T10] kthread+0x28a/0x350 [ 2417.833119][ T10] ret_from_fork+0x31/0x70 [ 2417.833119][ T10] ret_from_fork_asm+0x1a/0x30 [ 2417.833119][ T10] [ 2417.835025][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2417.835025][ T10] netdev_get_by_index+0x5e/0x80 [ 2417.835025][ T10] fib6_nh_init+0x3d8/0x1580 [ 2417.835025][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2417.835025][ T10] ip6_route_add+0x1c/0x140 [ 2417.835025][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2417.835025][ T10] inet6_addr_add+0x4f8/0xa40 [ 2417.835025][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2417.835025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2417.835025][ T10] netlink_rcv_skb+0x130/0x360 [ 2417.835025][ T10] netlink_unicast+0x449/0x710 [ 2417.835025][ T10] netlink_sendmsg+0x723/0xbe0 [ 2417.835025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2417.835025][ T10] ___sys_sendmsg+0xee/0x170 [ 2417.835025][ T10] __sys_sendmsg+0xcd/0x170 [ 2417.835025][ T10] do_syscall_64+0xc6/0x1e0 [ 2417.835025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2417.835025][ T10] [ 2417.837212][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2417.837212][ T10] netdev_get_by_index+0x5e/0x80 [ 2417.837212][ T10] fib6_nh_init+0x3d8/0x1580 [ 2417.837212][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2417.837212][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2417.837212][ T10] ipv6_add_addr+0x411/0x2000 [ 2417.837212][ T10] inet6_addr_add+0x30e/0xa40 [ 2417.837212][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2417.837212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2417.837212][ T10] netlink_rcv_skb+0x130/0x360 [ 2417.837212][ T10] netlink_unicast+0x449/0x710 [ 2417.837212][ T10] netlink_sendmsg+0x723/0xbe0 [ 2417.837212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2417.837212][ T10] ___sys_sendmsg+0xee/0x170 [ 2417.837212][ T10] __sys_sendmsg+0xcd/0x170 [ 2417.837212][ T10] do_syscall_64+0xc6/0x1e0 [ 2417.837212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2417.837212][ T10] [ 2417.839500][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2417.839500][ T10] netdev_get_by_index+0x5e/0x80 [ 2417.839500][ T10] fib6_nh_init+0x3d8/0x1580 [ 2417.839500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2417.839500][ T10] ip6_route_add+0x1c/0x140 [ 2417.839500][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2417.839500][ T10] addrconf_add_dev+0xe2/0x170 [ 2417.839500][ T10] inet6_addr_add+0x12f/0xa40 [ 2417.839500][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2417.839500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2417.839500][ T10] netlink_rcv_skb+0x130/0x360 [ 2417.839500][ T10] netlink_unicast+0x449/0x710 [ 2417.839500][ T10] netlink_sendmsg+0x723/0xbe0 [ 2417.839500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2417.839500][ T10] ___sys_sendmsg+0xee/0x170 [ 2417.839500][ T10] __sys_sendmsg+0xcd/0x170 [ 2417.839500][ T10] do_syscall_64+0xc6/0x1e0 [ 2417.839500][ T10] [ 2417.841690][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2417.841690][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2417.841690][ T10] ipv6_find_idev+0x102/0x170 [ 2417.841690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2417.841690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2417.841690][ T10] netlink_rcv_skb+0x130/0x360 [ 2417.841690][ T10] netlink_unicast+0x449/0x710 [ 2417.841690][ T10] netlink_sendmsg+0x723/0xbe0 [ 2417.841690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2417.841690][ T10] ___sys_sendmsg+0xee/0x170 [ 2417.841690][ T10] __sys_sendmsg+0xcd/0x170 [ 2417.841690][ T10] do_syscall_64+0xc6/0x1e0 [ 2417.841690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2417.841690][ T10] [ 2417.843337][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2417.843337][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2417.843337][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2417.843337][ T10] ipv6_find_idev+0x102/0x170 [ 2417.843337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2417.843337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2417.843337][ T10] netlink_rcv_skb+0x130/0x360 [ 2417.843337][ T10] netlink_unicast+0x449/0x710 [ 2417.843337][ T10] netlink_sendmsg+0x723/0xbe0 [ 2417.843337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2417.843337][ T10] ___sys_sendmsg+0xee/0x170 [ 2417.843337][ T10] __sys_sendmsg+0xcd/0x170 [ 2417.843337][ T10] do_syscall_64+0xc6/0x1e0 [ 2417.843337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2417.843337][ T10] [ 2417.845283][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2417.845545][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2417.845545][ T10] netdev_get_by_index+0x5e/0x80 [ 2417.845545][ T10] fib6_nh_init+0x3d8/0x1580 [ 2417.845545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2417.845545][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2417.845545][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2417.845545][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2417.845545][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2417.845545][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2417.845545][ T10] addrconf_dad_begin+0x310/0x670 [ 2417.845545][ T10] addrconf_dad_work+0x10b/0xab0 [ 2417.845545][ T10] process_one_work+0x84d/0x18a0 [ 2417.845545][ T10] worker_thread+0x587/0xd30 [ 2417.845545][ T10] kthread+0x28a/0x350 [ 2417.845545][ T10] ret_from_fork+0x31/0x70 [ 2417.845545][ T10] ret_from_fork_asm+0x1a/0x30 [ 2417.845545][ T10] [ 2417.847909][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2417.847909][ T10] netdev_get_by_index+0x5e/0x80 [ 2417.847909][ T10] fib6_nh_init+0x3d8/0x1580 [ 2417.847909][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2417.847909][ T10] ip6_route_add+0x1c/0x140 [ 2417.847909][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2417.847909][ T10] inet6_addr_add+0x4f8/0xa40 [ 2417.847909][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2417.847909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2417.847909][ T10] netlink_rcv_skb+0x130/0x360 [ 2417.847909][ T10] netlink_unicast+0x449/0x710 [ 2417.847909][ T10] netlink_sendmsg+0x723/0xbe0 [ 2417.847909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2417.847909][ T10] ___sys_sendmsg+0xee/0x170 [ 2417.847909][ T10] __sys_sendmsg+0xcd/0x170 [ 2417.847909][ T10] do_syscall_64+0xc6/0x1e0 [ 2417.847909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2417.847909][ T10] [ 2417.850349][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2417.850349][ T10] netdev_get_by_index+0x5e/0x80 [ 2417.850349][ T10] fib6_nh_init+0x3d8/0x1580 [ 2417.850349][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2417.850349][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2417.850349][ T10] ipv6_add_addr+0x411/0x2000 [ 2417.850349][ T10] inet6_addr_add+0x30e/0xa40 [ 2417.850349][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2417.850349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2417.850349][ T10] netlink_rcv_skb+0x130/0x360 [ 2417.850349][ T10] netlink_unicast+0x449/0x710 [ 2417.850349][ T10] netlink_sendmsg+0x723/0xbe0 [ 2417.850349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2417.850349][ T10] ___sys_sendmsg+0xee/0x170 [ 2417.850349][ T10] __sys_sendmsg+0xcd/0x170 [ 2417.850349][ T10] do_syscall_64+0xc6/0x1e0 [ 2417.850349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2417.850349][ T10] [ 2417.852664][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2417.852664][ T10] netdev_get_by_index+0x5e/0x80 [ 2417.852664][ T10] fib6_nh_init+0x3d8/0x1580 [ 2417.852664][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2417.852664][ T10] ip6_route_add+0x1c/0x140 [ 2417.852664][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2417.852664][ T10] addrconf_add_dev+0xe2/0x170 [ 2417.852664][ T10] inet6_addr_add+0x12f/0xa40 [ 2417.852664][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2417.852664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2417.852664][ T10] netlink_rcv_skb+0x130/0x360 [ 2417.852664][ T10] netlink_unicast+0x449/0x710 [ 2417.852664][ T10] netlink_sendmsg+0x723/0xbe0 [ 2417.852664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2417.852664][ T10] ___sys_sendmsg+0xee/0x170 [ 2417.852664][ T10] __sys_sendmsg+0xcd/0x170 [ 2417.852664][ T10] do_syscall_64+0xc6/0x1e0 [ 2417.852664][ T10] [ 2417.854997][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2417.854997][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2417.854997][ T10] ipv6_find_idev+0x102/0x170 [ 2417.854997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2417.854997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2417.854997][ T10] netlink_rcv_skb+0x130/0x360 [ 2417.854997][ T10] netlink_unicast+0x449/0x710 [ 2417.854997][ T10] netlink_sendmsg+0x723/0xbe0 [ 2417.854997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2417.854997][ T10] ___sys_sendmsg+0xee/0x170 [ 2417.854997][ T10] __sys_sendmsg+0xcd/0x170 [ 2417.854997][ T10] do_syscall_64+0xc6/0x1e0 [ 2417.854997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2417.854997][ T10] [ 2417.856732][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2417.856732][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2417.856732][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2417.856732][ T10] ipv6_find_idev+0x102/0x170 [ 2417.856732][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2417.856732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2417.856732][ T10] netlink_rcv_skb+0x130/0x360 [ 2417.856732][ T10] netlink_unicast+0x449/0x710 [ 2417.856732][ T10] netlink_sendmsg+0x723/0xbe0 [ 2417.856732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2417.856732][ T10] ___sys_sendmsg+0xee/0x170 [ 2417.856732][ T10] __sys_sendmsg+0xcd/0x170 [ 2417.856732][ T10] do_syscall_64+0xc6/0x1e0 [ 2417.856732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2417.856732][ T10] [ 2421.897176][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2421.897607][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2421.897607][ T1167] dst_init+0x84/0x4a0 [ 2421.897607][ T1167] dst_alloc+0x97/0x150 [ 2421.897607][ T1167] ip6_dst_alloc+0x23/0x90 [ 2421.897607][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2421.897607][ T1167] ip6_pol_route+0x56f/0x840 [ 2421.897607][ T1167] fib6_rule_lookup+0x334/0x630 [ 2421.897607][ T1167] ip6_route_output_flags+0x259/0x480 [ 2421.897607][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2421.897607][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2421.897607][ T1167] netlink_rcv_skb+0x130/0x360 [ 2421.897607][ T1167] netlink_unicast+0x449/0x710 [ 2421.897607][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2421.897607][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2421.897607][ T1167] ___sys_sendmsg+0xee/0x170 [ 2421.897607][ T1167] __sys_sendmsg+0xcd/0x170 [ 2421.897607][ T1167] do_syscall_64+0xc6/0x1e0 [ 2421.897607][ T1167] [ 2421.899828][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2421.899828][ T1167] netdev_get_by_index+0x5e/0x80 [ 2421.899828][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2421.899828][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2421.899828][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2421.899828][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2421.899828][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2421.899828][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2421.899828][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2421.899828][ T1167] addrconf_dad_begin+0x310/0x670 [ 2421.899828][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2421.899828][ T1167] process_one_work+0x84d/0x18a0 [ 2421.899828][ T1167] worker_thread+0x587/0xd30 [ 2421.899828][ T1167] kthread+0x28a/0x350 [ 2421.899828][ T1167] ret_from_fork+0x31/0x70 [ 2421.899828][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2421.899828][ T1167] [ 2421.902013][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2421.902013][ T1167] netdev_get_by_index+0x5e/0x80 [ 2421.902013][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2421.902013][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2421.902013][ T1167] ip6_route_add+0x1c/0x140 [ 2421.902013][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2421.902013][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2421.902013][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2421.902013][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.902013][ T1167] netlink_rcv_skb+0x130/0x360 [ 2421.902013][ T1167] netlink_unicast+0x449/0x710 [ 2421.902013][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2421.902013][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2421.902013][ T1167] ___sys_sendmsg+0xee/0x170 [ 2421.902013][ T1167] __sys_sendmsg+0xcd/0x170 [ 2421.902013][ T1167] do_syscall_64+0xc6/0x1e0 [ 2421.902013][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2421.902013][ T1167] [ 2421.904271][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2421.904271][ T1167] netdev_get_by_index+0x5e/0x80 [ 2421.904271][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2421.904271][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2421.904271][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2421.904271][ T1167] ipv6_add_addr+0x411/0x2000 [ 2421.904271][ T1167] inet6_addr_add+0x30e/0xa40 [ 2421.904271][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2421.904271][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.904271][ T1167] netlink_rcv_skb+0x130/0x360 [ 2421.904271][ T1167] netlink_unicast+0x449/0x710 [ 2421.904271][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2421.904271][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2421.904271][ T1167] ___sys_sendmsg+0xee/0x170 [ 2421.904271][ T1167] __sys_sendmsg+0xcd/0x170 [ 2421.904271][ T1167] do_syscall_64+0xc6/0x1e0 [ 2421.904271][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2421.904271][ T1167] [ 2421.906550][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2421.906550][ T1167] netdev_get_by_index+0x5e/0x80 [ 2421.906550][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2421.906550][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2421.906550][ T1167] ip6_route_add+0x1c/0x140 [ 2421.906550][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2421.906550][ T1167] addrconf_add_dev+0xe2/0x170 [ 2421.906550][ T1167] inet6_addr_add+0x12f/0xa40 [ 2421.906550][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2421.906550][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.906550][ T1167] netlink_rcv_skb+0x130/0x360 [ 2421.906550][ T1167] netlink_unicast+0x449/0x710 [ 2421.906550][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2421.906550][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2421.906550][ T1167] ___sys_sendmsg+0xee/0x170 [ 2421.906550][ T1167] __sys_sendmsg+0xcd/0x170 [ 2421.906550][ T1167] do_syscall_64+0xc6/0x1e0 [ 2421.906550][ T1167] [ 2421.908776][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2421.908776][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2421.908776][ T1167] ipv6_find_idev+0x102/0x170 [ 2421.908776][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2421.908776][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.908776][ T1167] netlink_rcv_skb+0x130/0x360 [ 2421.908776][ T1167] netlink_unicast+0x449/0x710 [ 2421.908776][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2421.908776][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2421.908776][ T1167] ___sys_sendmsg+0xee/0x170 [ 2421.908776][ T1167] __sys_sendmsg+0xcd/0x170 [ 2421.908776][ T1167] do_syscall_64+0xc6/0x1e0 [ 2421.908776][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2421.908776][ T1167] [ 2421.910516][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2421.910516][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2421.910516][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2421.910516][ T1167] ipv6_find_idev+0x102/0x170 [ 2421.910516][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2421.910516][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.910516][ T1167] netlink_rcv_skb+0x130/0x360 [ 2421.910516][ T1167] netlink_unicast+0x449/0x710 [ 2421.910516][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2421.910516][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2421.910516][ T1167] ___sys_sendmsg+0xee/0x170 [ 2421.910516][ T1167] __sys_sendmsg+0xcd/0x170 [ 2421.910516][ T1167] do_syscall_64+0xc6/0x1e0 [ 2421.910516][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2421.910516][ T1167] [ 2428.097070][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2428.097833][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2428.097833][ T10] netdev_get_by_index+0x5e/0x80 [ 2428.097833][ T10] fib6_nh_init+0x3d8/0x1580 [ 2428.097833][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2428.097833][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2428.097833][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2428.097833][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2428.097833][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2428.097833][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2428.097833][ T10] addrconf_dad_begin+0x310/0x670 [ 2428.097833][ T10] addrconf_dad_work+0x10b/0xab0 [ 2428.097833][ T10] process_one_work+0x84d/0x18a0 [ 2428.097833][ T10] worker_thread+0x587/0xd30 [ 2428.097833][ T10] kthread+0x28a/0x350 [ 2428.097833][ T10] ret_from_fork+0x31/0x70 [ 2428.097833][ T10] ret_from_fork_asm+0x1a/0x30 [ 2428.097833][ T10] [ 2428.099998][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2428.099998][ T10] netdev_get_by_index+0x5e/0x80 [ 2428.099998][ T10] fib6_nh_init+0x3d8/0x1580 [ 2428.099998][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2428.099998][ T10] ip6_route_add+0x1c/0x140 [ 2428.099998][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2428.099998][ T10] inet6_addr_add+0x4f8/0xa40 [ 2428.099998][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2428.099998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2428.099998][ T10] netlink_rcv_skb+0x130/0x360 [ 2428.099998][ T10] netlink_unicast+0x449/0x710 [ 2428.099998][ T10] netlink_sendmsg+0x723/0xbe0 [ 2428.099998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2428.099998][ T10] ___sys_sendmsg+0xee/0x170 [ 2428.099998][ T10] __sys_sendmsg+0xcd/0x170 [ 2428.099998][ T10] do_syscall_64+0xc6/0x1e0 [ 2428.099998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2428.099998][ T10] [ 2428.102036][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2428.102036][ T10] netdev_get_by_index+0x5e/0x80 [ 2428.102036][ T10] fib6_nh_init+0x3d8/0x1580 [ 2428.102036][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2428.102036][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2428.102036][ T10] ipv6_add_addr+0x411/0x2000 [ 2428.102036][ T10] inet6_addr_add+0x30e/0xa40 [ 2428.102036][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2428.102036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2428.102036][ T10] netlink_rcv_skb+0x130/0x360 [ 2428.102036][ T10] netlink_unicast+0x449/0x710 [ 2428.102036][ T10] netlink_sendmsg+0x723/0xbe0 [ 2428.102036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2428.102036][ T10] ___sys_sendmsg+0xee/0x170 [ 2428.102036][ T10] __sys_sendmsg+0xcd/0x170 [ 2428.102036][ T10] do_syscall_64+0xc6/0x1e0 [ 2428.102036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2428.102036][ T10] [ 2428.104120][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2428.104120][ T10] netdev_get_by_index+0x5e/0x80 [ 2428.104120][ T10] fib6_nh_init+0x3d8/0x1580 [ 2428.104120][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2428.104120][ T10] ip6_route_add+0x1c/0x140 [ 2428.104120][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2428.104120][ T10] addrconf_add_dev+0xe2/0x170 [ 2428.104120][ T10] inet6_addr_add+0x12f/0xa40 [ 2428.104120][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2428.104120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2428.104120][ T10] netlink_rcv_skb+0x130/0x360 [ 2428.104120][ T10] netlink_unicast+0x449/0x710 [ 2428.104120][ T10] netlink_sendmsg+0x723/0xbe0 [ 2428.104120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2428.104120][ T10] ___sys_sendmsg+0xee/0x170 [ 2428.104120][ T10] __sys_sendmsg+0xcd/0x170 [ 2428.104120][ T10] do_syscall_64+0xc6/0x1e0 [ 2428.104120][ T10] [ 2428.106116][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2428.106116][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2428.106116][ T10] ipv6_find_idev+0x102/0x170 [ 2428.106116][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2428.106116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2428.106116][ T10] netlink_rcv_skb+0x130/0x360 [ 2428.106116][ T10] netlink_unicast+0x449/0x710 [ 2428.106116][ T10] netlink_sendmsg+0x723/0xbe0 [ 2428.106116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2428.106116][ T10] ___sys_sendmsg+0xee/0x170 [ 2428.106116][ T10] __sys_sendmsg+0xcd/0x170 [ 2428.106116][ T10] do_syscall_64+0xc6/0x1e0 [ 2428.106116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2428.106116][ T10] [ 2428.107688][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2428.107688][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2428.107688][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2428.107688][ T10] ipv6_find_idev+0x102/0x170 [ 2428.107688][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2428.107688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2428.107688][ T10] netlink_rcv_skb+0x130/0x360 [ 2428.107688][ T10] netlink_unicast+0x449/0x710 [ 2428.107688][ T10] netlink_sendmsg+0x723/0xbe0 [ 2428.107688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2428.107688][ T10] ___sys_sendmsg+0xee/0x170 [ 2428.107688][ T10] __sys_sendmsg+0xcd/0x170 [ 2428.107688][ T10] do_syscall_64+0xc6/0x1e0 [ 2428.107688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2428.107688][ T10] [ 2428.109419][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2428.109667][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2428.109667][ T10] netdev_get_by_index+0x5e/0x80 [ 2428.109667][ T10] fib6_nh_init+0x3d8/0x1580 [ 2428.109667][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2428.109667][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2428.109667][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2428.109667][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2428.109667][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2428.109667][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2428.109667][ T10] addrconf_dad_begin+0x310/0x670 [ 2428.109667][ T10] addrconf_dad_work+0x10b/0xab0 [ 2428.109667][ T10] process_one_work+0x84d/0x18a0 [ 2428.109667][ T10] worker_thread+0x587/0xd30 [ 2428.109667][ T10] kthread+0x28a/0x350 [ 2428.109667][ T10] ret_from_fork+0x31/0x70 [ 2428.109667][ T10] ret_from_fork_asm+0x1a/0x30 [ 2428.109667][ T10] [ 2428.111600][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2428.111600][ T10] netdev_get_by_index+0x5e/0x80 [ 2428.111600][ T10] fib6_nh_init+0x3d8/0x1580 [ 2428.111600][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2428.111600][ T10] ip6_route_add+0x1c/0x140 [ 2428.111600][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2428.111600][ T10] inet6_addr_add+0x4f8/0xa40 [ 2428.111600][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2428.111600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2428.111600][ T10] netlink_rcv_skb+0x130/0x360 [ 2428.111600][ T10] netlink_unicast+0x449/0x710 [ 2428.111600][ T10] netlink_sendmsg+0x723/0xbe0 [ 2428.111600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2428.111600][ T10] ___sys_sendmsg+0xee/0x170 [ 2428.111600][ T10] __sys_sendmsg+0xcd/0x170 [ 2428.111600][ T10] do_syscall_64+0xc6/0x1e0 [ 2428.111600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2428.111600][ T10] [ 2428.113612][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2428.113612][ T10] netdev_get_by_index+0x5e/0x80 [ 2428.113612][ T10] fib6_nh_init+0x3d8/0x1580 [ 2428.113612][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2428.113612][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2428.113612][ T10] ipv6_add_addr+0x411/0x2000 [ 2428.113612][ T10] inet6_addr_add+0x30e/0xa40 [ 2428.113612][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2428.113612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2428.113612][ T10] netlink_rcv_skb+0x130/0x360 [ 2428.113612][ T10] netlink_unicast+0x449/0x710 [ 2428.113612][ T10] netlink_sendmsg+0x723/0xbe0 [ 2428.113612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2428.113612][ T10] ___sys_sendmsg+0xee/0x170 [ 2428.113612][ T10] __sys_sendmsg+0xcd/0x170 [ 2428.113612][ T10] do_syscall_64+0xc6/0x1e0 [ 2428.113612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2428.113612][ T10] [ 2428.115620][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2428.115620][ T10] netdev_get_by_index+0x5e/0x80 [ 2428.115620][ T10] fib6_nh_init+0x3d8/0x1580 [ 2428.115620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2428.115620][ T10] ip6_route_add+0x1c/0x140 [ 2428.115620][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2428.115620][ T10] addrconf_add_dev+0xe2/0x170 [ 2428.115620][ T10] inet6_addr_add+0x12f/0xa40 [ 2428.115620][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2428.115620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2428.115620][ T10] netlink_rcv_skb+0x130/0x360 [ 2428.115620][ T10] netlink_unicast+0x449/0x710 [ 2428.115620][ T10] netlink_sendmsg+0x723/0xbe0 [ 2428.115620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2428.115620][ T10] ___sys_sendmsg+0xee/0x170 [ 2428.115620][ T10] __sys_sendmsg+0xcd/0x170 [ 2428.115620][ T10] do_syscall_64+0xc6/0x1e0 [ 2428.115620][ T10] [ 2428.117599][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2428.117599][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2428.117599][ T10] ipv6_find_idev+0x102/0x170 [ 2428.117599][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2428.117599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2428.117599][ T10] netlink_rcv_skb+0x130/0x360 [ 2428.117599][ T10] netlink_unicast+0x449/0x710 [ 2428.117599][ T10] netlink_sendmsg+0x723/0xbe0 [ 2428.117599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2428.117599][ T10] ___sys_sendmsg+0xee/0x170 [ 2428.117599][ T10] __sys_sendmsg+0xcd/0x170 [ 2428.117599][ T10] do_syscall_64+0xc6/0x1e0 [ 2428.117599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2428.117599][ T10] [ 2428.119145][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2428.119145][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2428.119145][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2428.119145][ T10] ipv6_find_idev+0x102/0x170 [ 2428.119145][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2428.119145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2428.119145][ T10] netlink_rcv_skb+0x130/0x360 [ 2428.119145][ T10] netlink_unicast+0x449/0x710 [ 2428.119145][ T10] netlink_sendmsg+0x723/0xbe0 [ 2428.119145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2428.119145][ T10] ___sys_sendmsg+0xee/0x170 [ 2428.119145][ T10] __sys_sendmsg+0xcd/0x170 [ 2428.119145][ T10] do_syscall_64+0xc6/0x1e0 [ 2428.119145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2428.119145][ T10] [ 2428.120854][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2428.121123][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2428.121123][ T10] netdev_get_by_index+0x5e/0x80 [ 2428.121123][ T10] fib6_nh_init+0x3d8/0x1580 [ 2428.121123][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2428.121123][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2428.121123][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2428.121123][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2428.121123][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2428.121123][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2428.121123][ T10] addrconf_dad_begin+0x310/0x670 [ 2428.121123][ T10] addrconf_dad_work+0x10b/0xab0 [ 2428.121123][ T10] process_one_work+0x84d/0x18a0 [ 2428.121123][ T10] worker_thread+0x587/0xd30 [ 2428.121123][ T10] kthread+0x28a/0x350 [ 2428.121123][ T10] ret_from_fork+0x31/0x70 [ 2428.121123][ T10] ret_from_fork_asm+0x1a/0x30 [ 2428.121123][ T10] [ 2428.123078][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2428.123078][ T10] netdev_get_by_index+0x5e/0x80 [ 2428.123078][ T10] fib6_nh_init+0x3d8/0x1580 [ 2428.123078][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2428.123078][ T10] ip6_route_add+0x1c/0x140 [ 2428.123078][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2428.123078][ T10] inet6_addr_add+0x4f8/0xa40 [ 2428.123078][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2428.123078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2428.123078][ T10] netlink_rcv_skb+0x130/0x360 [ 2428.123078][ T10] netlink_unicast+0x449/0x710 [ 2428.123078][ T10] netlink_sendmsg+0x723/0xbe0 [ 2428.123078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2428.123078][ T10] ___sys_sendmsg+0xee/0x170 [ 2428.123078][ T10] __sys_sendmsg+0xcd/0x170 [ 2428.123078][ T10] do_syscall_64+0xc6/0x1e0 [ 2428.123078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2428.123078][ T10] [ 2428.125279][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2428.125279][ T10] netdev_get_by_index+0x5e/0x80 [ 2428.125279][ T10] fib6_nh_init+0x3d8/0x1580 [ 2428.125279][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2428.125279][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2428.125279][ T10] ipv6_add_addr+0x411/0x2000 [ 2428.125279][ T10] inet6_addr_add+0x30e/0xa40 [ 2428.125279][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2428.125279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2428.125279][ T10] netlink_rcv_skb+0x130/0x360 [ 2428.125279][ T10] netlink_unicast+0x449/0x710 [ 2428.125279][ T10] netlink_sendmsg+0x723/0xbe0 [ 2428.125279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2428.125279][ T10] ___sys_sendmsg+0xee/0x170 [ 2428.125279][ T10] __sys_sendmsg+0xcd/0x170 [ 2428.125279][ T10] do_syscall_64+0xc6/0x1e0 [ 2428.125279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2428.125279][ T10] [ 2428.127621][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2428.127621][ T10] netdev_get_by_index+0x5e/0x80 [ 2428.127621][ T10] fib6_nh_init+0x3d8/0x1580 [ 2428.127621][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2428.127621][ T10] ip6_route_add+0x1c/0x140 [ 2428.127621][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2428.127621][ T10] addrconf_add_dev+0xe2/0x170 [ 2428.127621][ T10] inet6_addr_add+0x12f/0xa40 [ 2428.127621][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2428.127621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2428.127621][ T10] netlink_rcv_skb+0x130/0x360 [ 2428.127621][ T10] netlink_unicast+0x449/0x710 [ 2428.127621][ T10] netlink_sendmsg+0x723/0xbe0 [ 2428.127621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2428.127621][ T10] ___sys_sendmsg+0xee/0x170 [ 2428.127621][ T10] __sys_sendmsg+0xcd/0x170 [ 2428.127621][ T10] do_syscall_64+0xc6/0x1e0 [ 2428.127621][ T10] [ 2428.129858][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2428.129858][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2428.129858][ T10] ipv6_find_idev+0x102/0x170 [ 2428.129858][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2428.129858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2428.129858][ T10] netlink_rcv_skb+0x130/0x360 [ 2428.129858][ T10] netlink_unicast+0x449/0x710 [ 2428.129858][ T10] netlink_sendmsg+0x723/0xbe0 [ 2428.129858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2428.129858][ T10] ___sys_sendmsg+0xee/0x170 [ 2428.129858][ T10] __sys_sendmsg+0xcd/0x170 [ 2428.129858][ T10] do_syscall_64+0xc6/0x1e0 [ 2428.129858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2428.129858][ T10] [ 2428.131616][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2428.131616][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2428.131616][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2428.131616][ T10] ipv6_find_idev+0x102/0x170 [ 2428.131616][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2428.131616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2428.131616][ T10] netlink_rcv_skb+0x130/0x360 [ 2428.131616][ T10] netlink_unicast+0x449/0x710 [ 2428.131616][ T10] netlink_sendmsg+0x723/0xbe0 [ 2428.131616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2428.131616][ T10] ___sys_sendmsg+0xee/0x170 [ 2428.131616][ T10] __sys_sendmsg+0xcd/0x170 [ 2428.131616][ T10] do_syscall_64+0xc6/0x1e0 [ 2428.131616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2428.131616][ T10] [ 2428.133507][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2428.133753][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2428.133753][ T10] netdev_get_by_index+0x5e/0x80 [ 2428.133753][ T10] fib6_nh_init+0x3d8/0x1580 [ 2428.133753][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2428.133753][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2428.133753][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2428.133753][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2428.133753][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2428.133753][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2428.133753][ T10] addrconf_dad_begin+0x310/0x670 [ 2428.133753][ T10] addrconf_dad_work+0x10b/0xab0 [ 2428.133753][ T10] process_one_work+0x84d/0x18a0 [ 2428.133753][ T10] worker_thread+0x587/0xd30 [ 2428.133753][ T10] kthread+0x28a/0x350 [ 2428.133753][ T10] ret_from_fork+0x31/0x70 [ 2428.133753][ T10] ret_from_fork_asm+0x1a/0x30 [ 2428.133753][ T10] [ 2428.136507][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2428.136507][ T10] netdev_get_by_index+0x5e/0x80 [ 2428.136507][ T10] fib6_nh_init+0x3d8/0x1580 [ 2428.136507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2428.136507][ T10] ip6_route_add+0x1c/0x140 [ 2428.136507][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2428.136507][ T10] inet6_addr_add+0x4f8/0xa40 [ 2428.136507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2428.136507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2428.136507][ T10] netlink_rcv_skb+0x130/0x360 [ 2428.136507][ T10] netlink_unicast+0x449/0x710 [ 2428.136507][ T10] netlink_sendmsg+0x723/0xbe0 [ 2428.136507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2428.136507][ T10] ___sys_sendmsg+0xee/0x170 [ 2428.136507][ T10] __sys_sendmsg+0xcd/0x170 [ 2428.136507][ T10] do_syscall_64+0xc6/0x1e0 [ 2428.136507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2428.136507][ T10] [ 2428.138793][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2428.138793][ T10] netdev_get_by_index+0x5e/0x80 [ 2428.138793][ T10] fib6_nh_init+0x3d8/0x1580 [ 2428.138793][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2428.138793][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2428.138793][ T10] ipv6_add_addr+0x411/0x2000 [ 2428.138793][ T10] inet6_addr_add+0x30e/0xa40 [ 2428.138793][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2428.138793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2428.138793][ T10] netlink_rcv_skb+0x130/0x360 [ 2428.138793][ T10] netlink_unicast+0x449/0x710 [ 2428.138793][ T10] netlink_sendmsg+0x723/0xbe0 [ 2428.138793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2428.138793][ T10] ___sys_sendmsg+0xee/0x170 [ 2428.138793][ T10] __sys_sendmsg+0xcd/0x170 [ 2428.138793][ T10] do_syscall_64+0xc6/0x1e0 [ 2428.138793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2428.138793][ T10] [ 2428.141074][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2428.141074][ T10] netdev_get_by_index+0x5e/0x80 [ 2428.141074][ T10] fib6_nh_init+0x3d8/0x1580 [ 2428.141074][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2428.141074][ T10] ip6_route_add+0x1c/0x140 [ 2428.141074][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2428.141074][ T10] addrconf_add_dev+0xe2/0x170 [ 2428.141074][ T10] inet6_addr_add+0x12f/0xa40 [ 2428.141074][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2428.141074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2428.141074][ T10] netlink_rcv_skb+0x130/0x360 [ 2428.141074][ T10] netlink_unicast+0x449/0x710 [ 2428.141074][ T10] netlink_sendmsg+0x723/0xbe0 [ 2428.141074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2428.141074][ T10] ___sys_sendmsg+0xee/0x170 [ 2428.141074][ T10] __sys_sendmsg+0xcd/0x170 [ 2428.141074][ T10] do_syscall_64+0xc6/0x1e0 [ 2428.141074][ T10] [ 2428.143279][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2428.143279][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2428.143279][ T10] ipv6_find_idev+0x102/0x170 [ 2428.143279][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2428.143279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2428.143279][ T10] netlink_rcv_skb+0x130/0x360 [ 2428.143279][ T10] netlink_unicast+0x449/0x710 [ 2428.143279][ T10] netlink_sendmsg+0x723/0xbe0 [ 2428.143279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2428.143279][ T10] ___sys_sendmsg+0xee/0x170 [ 2428.143279][ T10] __sys_sendmsg+0xcd/0x170 [ 2428.143279][ T10] do_syscall_64+0xc6/0x1e0 [ 2428.143279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2428.143279][ T10] [ 2428.145028][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2428.145028][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2428.145028][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2428.145028][ T10] ipv6_find_idev+0x102/0x170 [ 2428.145028][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2428.145028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2428.145028][ T10] netlink_rcv_skb+0x130/0x360 [ 2428.145028][ T10] netlink_unicast+0x449/0x710 [ 2428.145028][ T10] netlink_sendmsg+0x723/0xbe0 [ 2428.145028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2428.145028][ T10] ___sys_sendmsg+0xee/0x170 [ 2428.145028][ T10] __sys_sendmsg+0xcd/0x170 [ 2428.145028][ T10] do_syscall_64+0xc6/0x1e0 [ 2428.145028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2428.145028][ T10] [ 2432.153140][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2432.153590][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2432.153590][ T1167] dst_init+0x84/0x4a0 [ 2432.153590][ T1167] dst_alloc+0x97/0x150 [ 2432.153590][ T1167] ip6_dst_alloc+0x23/0x90 [ 2432.153590][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2432.153590][ T1167] ip6_pol_route+0x56f/0x840 [ 2432.153590][ T1167] fib6_rule_lookup+0x334/0x630 [ 2432.153590][ T1167] ip6_route_output_flags+0x259/0x480 [ 2432.153590][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2432.153590][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2432.153590][ T1167] netlink_rcv_skb+0x130/0x360 [ 2432.153590][ T1167] netlink_unicast+0x449/0x710 [ 2432.153590][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2432.153590][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2432.153590][ T1167] ___sys_sendmsg+0xee/0x170 [ 2432.153590][ T1167] __sys_sendmsg+0xcd/0x170 [ 2432.153590][ T1167] do_syscall_64+0xc6/0x1e0 [ 2432.153590][ T1167] [ 2432.155942][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2432.155942][ T1167] netdev_get_by_index+0x5e/0x80 [ 2432.155942][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2432.155942][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2432.155942][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2432.155942][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2432.155942][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2432.155942][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2432.155942][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2432.155942][ T1167] addrconf_dad_begin+0x310/0x670 [ 2432.155942][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2432.155942][ T1167] process_one_work+0x84d/0x18a0 [ 2432.155942][ T1167] worker_thread+0x587/0xd30 [ 2432.155942][ T1167] kthread+0x28a/0x350 [ 2432.155942][ T1167] ret_from_fork+0x31/0x70 [ 2432.155942][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2432.155942][ T1167] [ 2432.158503][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2432.158503][ T1167] netdev_get_by_index+0x5e/0x80 [ 2432.158503][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2432.158503][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2432.158503][ T1167] ip6_route_add+0x1c/0x140 [ 2432.158503][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2432.158503][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2432.158503][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2432.158503][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2432.158503][ T1167] netlink_rcv_skb+0x130/0x360 [ 2432.158503][ T1167] netlink_unicast+0x449/0x710 [ 2432.158503][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2432.158503][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2432.158503][ T1167] ___sys_sendmsg+0xee/0x170 [ 2432.158503][ T1167] __sys_sendmsg+0xcd/0x170 [ 2432.158503][ T1167] do_syscall_64+0xc6/0x1e0 [ 2432.158503][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2432.158503][ T1167] [ 2432.160764][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2432.160764][ T1167] netdev_get_by_index+0x5e/0x80 [ 2432.160764][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2432.160764][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2432.160764][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2432.160764][ T1167] ipv6_add_addr+0x411/0x2000 [ 2432.160764][ T1167] inet6_addr_add+0x30e/0xa40 [ 2432.160764][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2432.160764][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2432.160764][ T1167] netlink_rcv_skb+0x130/0x360 [ 2432.160764][ T1167] netlink_unicast+0x449/0x710 [ 2432.160764][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2432.160764][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2432.160764][ T1167] ___sys_sendmsg+0xee/0x170 [ 2432.160764][ T1167] __sys_sendmsg+0xcd/0x170 [ 2432.160764][ T1167] do_syscall_64+0xc6/0x1e0 [ 2432.160764][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2432.160764][ T1167] [ 2432.163055][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2432.163055][ T1167] netdev_get_by_index+0x5e/0x80 [ 2432.163055][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2432.163055][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2432.163055][ T1167] ip6_route_add+0x1c/0x140 [ 2432.163055][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2432.163055][ T1167] addrconf_add_dev+0xe2/0x170 [ 2432.163055][ T1167] inet6_addr_add+0x12f/0xa40 [ 2432.163055][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2432.163055][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2432.163055][ T1167] netlink_rcv_skb+0x130/0x360 [ 2432.163055][ T1167] netlink_unicast+0x449/0x710 [ 2432.163055][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2432.163055][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2432.163055][ T1167] ___sys_sendmsg+0xee/0x170 [ 2432.163055][ T1167] __sys_sendmsg+0xcd/0x170 [ 2432.163055][ T1167] do_syscall_64+0xc6/0x1e0 [ 2432.163055][ T1167] [ 2432.165279][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2432.165279][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2432.165279][ T1167] ipv6_find_idev+0x102/0x170 [ 2432.165279][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2432.165279][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2432.165279][ T1167] netlink_rcv_skb+0x130/0x360 [ 2432.165279][ T1167] netlink_unicast+0x449/0x710 [ 2432.165279][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2432.165279][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2432.165279][ T1167] ___sys_sendmsg+0xee/0x170 [ 2432.165279][ T1167] __sys_sendmsg+0xcd/0x170 [ 2432.165279][ T1167] do_syscall_64+0xc6/0x1e0 [ 2432.165279][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2432.165279][ T1167] [ 2432.167027][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2432.167027][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2432.167027][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2432.167027][ T1167] ipv6_find_idev+0x102/0x170 [ 2432.167027][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2432.167027][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2432.167027][ T1167] netlink_rcv_skb+0x130/0x360 [ 2432.167027][ T1167] netlink_unicast+0x449/0x710 [ 2432.167027][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2432.167027][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2432.167027][ T1167] ___sys_sendmsg+0xee/0x170 [ 2432.167027][ T1167] __sys_sendmsg+0xcd/0x170 [ 2432.167027][ T1167] do_syscall_64+0xc6/0x1e0 [ 2432.167027][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2432.167027][ T1167] [ 2438.177095][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2438.177491][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2438.177491][ T10] netdev_get_by_index+0x5e/0x80 [ 2438.177491][ T10] fib6_nh_init+0x3d8/0x1580 [ 2438.177491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2438.177491][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2438.177491][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2438.177491][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2438.177491][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2438.177491][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2438.177491][ T10] addrconf_dad_begin+0x310/0x670 [ 2438.177491][ T10] addrconf_dad_work+0x10b/0xab0 [ 2438.177491][ T10] process_one_work+0x84d/0x18a0 [ 2438.177491][ T10] worker_thread+0x587/0xd30 [ 2438.177491][ T10] kthread+0x28a/0x350 [ 2438.177491][ T10] ret_from_fork+0x31/0x70 [ 2438.177491][ T10] ret_from_fork_asm+0x1a/0x30 [ 2438.177491][ T10] [ 2438.179637][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2438.179637][ T10] netdev_get_by_index+0x5e/0x80 [ 2438.179637][ T10] fib6_nh_init+0x3d8/0x1580 [ 2438.179637][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2438.179637][ T10] ip6_route_add+0x1c/0x140 [ 2438.179637][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2438.179637][ T10] inet6_addr_add+0x4f8/0xa40 [ 2438.179637][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2438.179637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2438.179637][ T10] netlink_rcv_skb+0x130/0x360 [ 2438.179637][ T10] netlink_unicast+0x449/0x710 [ 2438.179637][ T10] netlink_sendmsg+0x723/0xbe0 [ 2438.179637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2438.179637][ T10] ___sys_sendmsg+0xee/0x170 [ 2438.179637][ T10] __sys_sendmsg+0xcd/0x170 [ 2438.179637][ T10] do_syscall_64+0xc6/0x1e0 [ 2438.179637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2438.179637][ T10] [ 2438.181847][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2438.181847][ T10] netdev_get_by_index+0x5e/0x80 [ 2438.181847][ T10] fib6_nh_init+0x3d8/0x1580 [ 2438.181847][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2438.181847][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2438.181847][ T10] ipv6_add_addr+0x411/0x2000 [ 2438.181847][ T10] inet6_addr_add+0x30e/0xa40 [ 2438.181847][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2438.181847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2438.181847][ T10] netlink_rcv_skb+0x130/0x360 [ 2438.181847][ T10] netlink_unicast+0x449/0x710 [ 2438.181847][ T10] netlink_sendmsg+0x723/0xbe0 [ 2438.181847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2438.181847][ T10] ___sys_sendmsg+0xee/0x170 [ 2438.181847][ T10] __sys_sendmsg+0xcd/0x170 [ 2438.181847][ T10] do_syscall_64+0xc6/0x1e0 [ 2438.181847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2438.181847][ T10] [ 2438.184029][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2438.184029][ T10] netdev_get_by_index+0x5e/0x80 [ 2438.184029][ T10] fib6_nh_init+0x3d8/0x1580 [ 2438.184029][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2438.184029][ T10] ip6_route_add+0x1c/0x140 [ 2438.184029][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2438.184029][ T10] addrconf_add_dev+0xe2/0x170 [ 2438.184029][ T10] inet6_addr_add+0x12f/0xa40 [ 2438.184029][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2438.184029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2438.184029][ T10] netlink_rcv_skb+0x130/0x360 [ 2438.184029][ T10] netlink_unicast+0x449/0x710 [ 2438.184029][ T10] netlink_sendmsg+0x723/0xbe0 [ 2438.184029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2438.184029][ T10] ___sys_sendmsg+0xee/0x170 [ 2438.184029][ T10] __sys_sendmsg+0xcd/0x170 [ 2438.184029][ T10] do_syscall_64+0xc6/0x1e0 [ 2438.184029][ T10] [ 2438.186088][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2438.186088][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2438.186088][ T10] ipv6_find_idev+0x102/0x170 [ 2438.186088][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2438.186088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2438.186088][ T10] netlink_rcv_skb+0x130/0x360 [ 2438.186088][ T10] netlink_unicast+0x449/0x710 [ 2438.186088][ T10] netlink_sendmsg+0x723/0xbe0 [ 2438.186088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2438.186088][ T10] ___sys_sendmsg+0xee/0x170 [ 2438.186088][ T10] __sys_sendmsg+0xcd/0x170 [ 2438.186088][ T10] do_syscall_64+0xc6/0x1e0 [ 2438.186088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2438.186088][ T10] [ 2438.187807][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2438.187807][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2438.187807][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2438.187807][ T10] ipv6_find_idev+0x102/0x170 [ 2438.187807][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2438.187807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2438.187807][ T10] netlink_rcv_skb+0x130/0x360 [ 2438.187807][ T10] netlink_unicast+0x449/0x710 [ 2438.187807][ T10] netlink_sendmsg+0x723/0xbe0 [ 2438.187807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2438.187807][ T10] ___sys_sendmsg+0xee/0x170 [ 2438.187807][ T10] __sys_sendmsg+0xcd/0x170 [ 2438.187807][ T10] do_syscall_64+0xc6/0x1e0 [ 2438.187807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2438.187807][ T10] [ 2438.189557][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2438.189807][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2438.189807][ T10] netdev_get_by_index+0x5e/0x80 [ 2438.189807][ T10] fib6_nh_init+0x3d8/0x1580 [ 2438.189807][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2438.189807][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2438.189807][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2438.189807][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2438.189807][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2438.189807][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2438.189807][ T10] addrconf_dad_begin+0x310/0x670 [ 2438.189807][ T10] addrconf_dad_work+0x10b/0xab0 [ 2438.189807][ T10] process_one_work+0x84d/0x18a0 [ 2438.189807][ T10] worker_thread+0x587/0xd30 [ 2438.189807][ T10] kthread+0x28a/0x350 [ 2438.189807][ T10] ret_from_fork+0x31/0x70 [ 2438.189807][ T10] ret_from_fork_asm+0x1a/0x30 [ 2438.189807][ T10] [ 2438.191743][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2438.191743][ T10] netdev_get_by_index+0x5e/0x80 [ 2438.191743][ T10] fib6_nh_init+0x3d8/0x1580 [ 2438.191743][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2438.191743][ T10] ip6_route_add+0x1c/0x140 [ 2438.191743][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2438.191743][ T10] inet6_addr_add+0x4f8/0xa40 [ 2438.191743][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2438.191743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2438.191743][ T10] netlink_rcv_skb+0x130/0x360 [ 2438.191743][ T10] netlink_unicast+0x449/0x710 [ 2438.191743][ T10] netlink_sendmsg+0x723/0xbe0 [ 2438.191743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2438.191743][ T10] ___sys_sendmsg+0xee/0x170 [ 2438.191743][ T10] __sys_sendmsg+0xcd/0x170 [ 2438.191743][ T10] do_syscall_64+0xc6/0x1e0 [ 2438.191743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2438.191743][ T10] [ 2438.193759][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2438.193759][ T10] netdev_get_by_index+0x5e/0x80 [ 2438.193759][ T10] fib6_nh_init+0x3d8/0x1580 [ 2438.193759][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2438.193759][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2438.193759][ T10] ipv6_add_addr+0x411/0x2000 [ 2438.193759][ T10] inet6_addr_add+0x30e/0xa40 [ 2438.193759][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2438.193759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2438.193759][ T10] netlink_rcv_skb+0x130/0x360 [ 2438.193759][ T10] netlink_unicast+0x449/0x710 [ 2438.193759][ T10] netlink_sendmsg+0x723/0xbe0 [ 2438.193759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2438.193759][ T10] ___sys_sendmsg+0xee/0x170 [ 2438.193759][ T10] __sys_sendmsg+0xcd/0x170 [ 2438.193759][ T10] do_syscall_64+0xc6/0x1e0 [ 2438.193759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2438.193759][ T10] [ 2438.195783][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2438.195783][ T10] netdev_get_by_index+0x5e/0x80 [ 2438.195783][ T10] fib6_nh_init+0x3d8/0x1580 [ 2438.195783][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2438.195783][ T10] ip6_route_add+0x1c/0x140 [ 2438.195783][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2438.195783][ T10] addrconf_add_dev+0xe2/0x170 [ 2438.195783][ T10] inet6_addr_add+0x12f/0xa40 [ 2438.195783][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2438.195783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2438.195783][ T10] netlink_rcv_skb+0x130/0x360 [ 2438.195783][ T10] netlink_unicast+0x449/0x710 [ 2438.195783][ T10] netlink_sendmsg+0x723/0xbe0 [ 2438.195783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2438.195783][ T10] ___sys_sendmsg+0xee/0x170 [ 2438.195783][ T10] __sys_sendmsg+0xcd/0x170 [ 2438.195783][ T10] do_syscall_64+0xc6/0x1e0 [ 2438.195783][ T10] [ 2438.197790][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2438.197790][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2438.197790][ T10] ipv6_find_idev+0x102/0x170 [ 2438.197790][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2438.197790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2438.197790][ T10] netlink_rcv_skb+0x130/0x360 [ 2438.197790][ T10] netlink_unicast+0x449/0x710 [ 2438.197790][ T10] netlink_sendmsg+0x723/0xbe0 [ 2438.197790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2438.197790][ T10] ___sys_sendmsg+0xee/0x170 [ 2438.197790][ T10] __sys_sendmsg+0xcd/0x170 [ 2438.197790][ T10] do_syscall_64+0xc6/0x1e0 [ 2438.197790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2438.197790][ T10] [ 2438.199348][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2438.199348][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2438.199348][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2438.199348][ T10] ipv6_find_idev+0x102/0x170 [ 2438.199348][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2438.199348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2438.199348][ T10] netlink_rcv_skb+0x130/0x360 [ 2438.199348][ T10] netlink_unicast+0x449/0x710 [ 2438.199348][ T10] netlink_sendmsg+0x723/0xbe0 [ 2438.199348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2438.199348][ T10] ___sys_sendmsg+0xee/0x170 [ 2438.199348][ T10] __sys_sendmsg+0xcd/0x170 [ 2438.199348][ T10] do_syscall_64+0xc6/0x1e0 [ 2438.199348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2438.199348][ T10] [ 2438.201088][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2438.201348][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2438.201348][ T10] netdev_get_by_index+0x5e/0x80 [ 2438.201348][ T10] fib6_nh_init+0x3d8/0x1580 [ 2438.201348][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2438.201348][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2438.201348][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2438.201348][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2438.201348][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2438.201348][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2438.201348][ T10] addrconf_dad_begin+0x310/0x670 [ 2438.201348][ T10] addrconf_dad_work+0x10b/0xab0 [ 2438.201348][ T10] process_one_work+0x84d/0x18a0 [ 2438.201348][ T10] worker_thread+0x587/0xd30 [ 2438.201348][ T10] kthread+0x28a/0x350 [ 2438.201348][ T10] ret_from_fork+0x31/0x70 [ 2438.201348][ T10] ret_from_fork_asm+0x1a/0x30 [ 2438.201348][ T10] [ 2438.203292][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2438.203292][ T10] netdev_get_by_index+0x5e/0x80 [ 2438.203292][ T10] fib6_nh_init+0x3d8/0x1580 [ 2438.203292][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2438.203292][ T10] ip6_route_add+0x1c/0x140 [ 2438.203292][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2438.203292][ T10] inet6_addr_add+0x4f8/0xa40 [ 2438.203292][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2438.203292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2438.203292][ T10] netlink_rcv_skb+0x130/0x360 [ 2438.203292][ T10] netlink_unicast+0x449/0x710 [ 2438.203292][ T10] netlink_sendmsg+0x723/0xbe0 [ 2438.203292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2438.203292][ T10] ___sys_sendmsg+0xee/0x170 [ 2438.203292][ T10] __sys_sendmsg+0xcd/0x170 [ 2438.203292][ T10] do_syscall_64+0xc6/0x1e0 [ 2438.203292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2438.203292][ T10] [ 2438.205504][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2438.205504][ T10] netdev_get_by_index+0x5e/0x80 [ 2438.205504][ T10] fib6_nh_init+0x3d8/0x1580 [ 2438.205504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2438.205504][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2438.205504][ T10] ipv6_add_addr+0x411/0x2000 [ 2438.205504][ T10] inet6_addr_add+0x30e/0xa40 [ 2438.205504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2438.205504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2438.205504][ T10] netlink_rcv_skb+0x130/0x360 [ 2438.205504][ T10] netlink_unicast+0x449/0x710 [ 2438.205504][ T10] netlink_sendmsg+0x723/0xbe0 [ 2438.205504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2438.205504][ T10] ___sys_sendmsg+0xee/0x170 [ 2438.205504][ T10] __sys_sendmsg+0xcd/0x170 [ 2438.205504][ T10] do_syscall_64+0xc6/0x1e0 [ 2438.205504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2438.205504][ T10] [ 2438.207776][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2438.207776][ T10] netdev_get_by_index+0x5e/0x80 [ 2438.207776][ T10] fib6_nh_init+0x3d8/0x1580 [ 2438.207776][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2438.207776][ T10] ip6_route_add+0x1c/0x140 [ 2438.207776][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2438.207776][ T10] addrconf_add_dev+0xe2/0x170 [ 2438.207776][ T10] inet6_addr_add+0x12f/0xa40 [ 2438.207776][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2438.207776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2438.207776][ T10] netlink_rcv_skb+0x130/0x360 [ 2438.207776][ T10] netlink_unicast+0x449/0x710 [ 2438.207776][ T10] netlink_sendmsg+0x723/0xbe0 [ 2438.207776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2438.207776][ T10] ___sys_sendmsg+0xee/0x170 [ 2438.207776][ T10] __sys_sendmsg+0xcd/0x170 [ 2438.207776][ T10] do_syscall_64+0xc6/0x1e0 [ 2438.207776][ T10] [ 2438.209996][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2438.209996][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2438.209996][ T10] ipv6_find_idev+0x102/0x170 [ 2438.209996][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2438.209996][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2438.209996][ T10] netlink_rcv_skb+0x130/0x360 [ 2438.209996][ T10] netlink_unicast+0x449/0x710 [ 2438.209996][ T10] netlink_sendmsg+0x723/0xbe0 [ 2438.209996][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2438.209996][ T10] ___sys_sendmsg+0xee/0x170 [ 2438.209996][ T10] __sys_sendmsg+0xcd/0x170 [ 2438.209996][ T10] do_syscall_64+0xc6/0x1e0 [ 2438.209996][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2438.209996][ T10] [ 2438.211725][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2438.211725][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2438.211725][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2438.211725][ T10] ipv6_find_idev+0x102/0x170 [ 2438.211725][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2438.211725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2438.211725][ T10] netlink_rcv_skb+0x130/0x360 [ 2438.211725][ T10] netlink_unicast+0x449/0x710 [ 2438.211725][ T10] netlink_sendmsg+0x723/0xbe0 [ 2438.211725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2438.211725][ T10] ___sys_sendmsg+0xee/0x170 [ 2438.211725][ T10] __sys_sendmsg+0xcd/0x170 [ 2438.211725][ T10] do_syscall_64+0xc6/0x1e0 [ 2438.211725][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2438.211725][ T10] [ 2438.213716][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2438.213964][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2438.213964][ T10] netdev_get_by_index+0x5e/0x80 [ 2438.213964][ T10] fib6_nh_init+0x3d8/0x1580 [ 2438.213964][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2438.213964][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2438.213964][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2438.213964][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2438.213964][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2438.213964][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2438.213964][ T10] addrconf_dad_begin+0x310/0x670 [ 2438.213964][ T10] addrconf_dad_work+0x10b/0xab0 [ 2438.213964][ T10] process_one_work+0x84d/0x18a0 [ 2438.213964][ T10] worker_thread+0x587/0xd30 [ 2438.213964][ T10] kthread+0x28a/0x350 [ 2438.213964][ T10] ret_from_fork+0x31/0x70 [ 2438.213964][ T10] ret_from_fork_asm+0x1a/0x30 [ 2438.213964][ T10] [ 2438.216148][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2438.216148][ T10] netdev_get_by_index+0x5e/0x80 [ 2438.216148][ T10] fib6_nh_init+0x3d8/0x1580 [ 2438.216148][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2438.216148][ T10] ip6_route_add+0x1c/0x140 [ 2438.216148][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2438.216148][ T10] inet6_addr_add+0x4f8/0xa40 [ 2438.216148][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2438.216148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2438.216148][ T10] netlink_rcv_skb+0x130/0x360 [ 2438.216148][ T10] netlink_unicast+0x449/0x710 [ 2438.216148][ T10] netlink_sendmsg+0x723/0xbe0 [ 2438.216148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2438.216148][ T10] ___sys_sendmsg+0xee/0x170 [ 2438.216148][ T10] __sys_sendmsg+0xcd/0x170 [ 2438.216148][ T10] do_syscall_64+0xc6/0x1e0 [ 2438.216148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2438.216148][ T10] [ 2438.218421][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2438.218421][ T10] netdev_get_by_index+0x5e/0x80 [ 2438.218421][ T10] fib6_nh_init+0x3d8/0x1580 [ 2438.218421][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2438.218421][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2438.218421][ T10] ipv6_add_addr+0x411/0x2000 [ 2438.218421][ T10] inet6_addr_add+0x30e/0xa40 [ 2438.218421][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2438.218421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2438.218421][ T10] netlink_rcv_skb+0x130/0x360 [ 2438.218421][ T10] netlink_unicast+0x449/0x710 [ 2438.218421][ T10] netlink_sendmsg+0x723/0xbe0 [ 2438.218421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2438.218421][ T10] ___sys_sendmsg+0xee/0x170 [ 2438.218421][ T10] __sys_sendmsg+0xcd/0x170 [ 2438.218421][ T10] do_syscall_64+0xc6/0x1e0 [ 2438.218421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2438.218421][ T10] [ 2438.220682][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2438.220682][ T10] netdev_get_by_index+0x5e/0x80 [ 2438.220682][ T10] fib6_nh_init+0x3d8/0x1580 [ 2438.220682][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2438.220682][ T10] ip6_route_add+0x1c/0x140 [ 2438.220682][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2438.220682][ T10] addrconf_add_dev+0xe2/0x170 [ 2438.220682][ T10] inet6_addr_add+0x12f/0xa40 [ 2438.220682][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2438.220682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2438.220682][ T10] netlink_rcv_skb+0x130/0x360 [ 2438.220682][ T10] netlink_unicast+0x449/0x710 [ 2438.220682][ T10] netlink_sendmsg+0x723/0xbe0 [ 2438.220682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2438.220682][ T10] ___sys_sendmsg+0xee/0x170 [ 2438.220682][ T10] __sys_sendmsg+0xcd/0x170 [ 2438.220682][ T10] do_syscall_64+0xc6/0x1e0 [ 2438.220682][ T10] [ 2438.222912][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2438.222912][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2438.222912][ T10] ipv6_find_idev+0x102/0x170 [ 2438.222912][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2438.222912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2438.222912][ T10] netlink_rcv_skb+0x130/0x360 [ 2438.222912][ T10] netlink_unicast+0x449/0x710 [ 2438.222912][ T10] netlink_sendmsg+0x723/0xbe0 [ 2438.222912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2438.222912][ T10] ___sys_sendmsg+0xee/0x170 [ 2438.222912][ T10] __sys_sendmsg+0xcd/0x170 [ 2438.222912][ T10] do_syscall_64+0xc6/0x1e0 [ 2438.222912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2438.222912][ T10] [ 2438.224640][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2438.224640][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2438.224640][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2438.224640][ T10] ipv6_find_idev+0x102/0x170 [ 2438.224640][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2438.224640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2438.224640][ T10] netlink_rcv_skb+0x130/0x360 [ 2438.224640][ T10] netlink_unicast+0x449/0x710 [ 2438.224640][ T10] netlink_sendmsg+0x723/0xbe0 [ 2438.224640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2438.224640][ T10] ___sys_sendmsg+0xee/0x170 [ 2438.224640][ T10] __sys_sendmsg+0xcd/0x170 [ 2438.224640][ T10] do_syscall_64+0xc6/0x1e0 [ 2438.224640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2438.224640][ T10] [ 2442.273076][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2442.273501][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2442.273501][ T1167] dst_init+0x84/0x4a0 [ 2442.273501][ T1167] dst_alloc+0x97/0x150 [ 2442.273501][ T1167] ip6_dst_alloc+0x23/0x90 [ 2442.273501][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2442.273501][ T1167] ip6_pol_route+0x56f/0x840 [ 2442.273501][ T1167] fib6_rule_lookup+0x334/0x630 [ 2442.273501][ T1167] ip6_route_output_flags+0x259/0x480 [ 2442.273501][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2442.273501][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2442.273501][ T1167] netlink_rcv_skb+0x130/0x360 [ 2442.273501][ T1167] netlink_unicast+0x449/0x710 [ 2442.273501][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2442.273501][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2442.273501][ T1167] ___sys_sendmsg+0xee/0x170 [ 2442.273501][ T1167] __sys_sendmsg+0xcd/0x170 [ 2442.273501][ T1167] do_syscall_64+0xc6/0x1e0 [ 2442.273501][ T1167] [ 2442.275710][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2442.275710][ T1167] netdev_get_by_index+0x5e/0x80 [ 2442.275710][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2442.275710][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2442.275710][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2442.275710][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2442.275710][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2442.275710][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2442.275710][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2442.275710][ T1167] addrconf_dad_begin+0x310/0x670 [ 2442.275710][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2442.275710][ T1167] process_one_work+0x84d/0x18a0 [ 2442.275710][ T1167] worker_thread+0x587/0xd30 [ 2442.275710][ T1167] kthread+0x28a/0x350 [ 2442.275710][ T1167] ret_from_fork+0x31/0x70 [ 2442.275710][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2442.275710][ T1167] [ 2442.277881][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2442.277881][ T1167] netdev_get_by_index+0x5e/0x80 [ 2442.277881][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2442.277881][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2442.277881][ T1167] ip6_route_add+0x1c/0x140 [ 2442.277881][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2442.277881][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2442.277881][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2442.277881][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.277881][ T1167] netlink_rcv_skb+0x130/0x360 [ 2442.277881][ T1167] netlink_unicast+0x449/0x710 [ 2442.277881][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2442.277881][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2442.277881][ T1167] ___sys_sendmsg+0xee/0x170 [ 2442.277881][ T1167] __sys_sendmsg+0xcd/0x170 [ 2442.277881][ T1167] do_syscall_64+0xc6/0x1e0 [ 2442.277881][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.277881][ T1167] [ 2442.280131][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2442.280131][ T1167] netdev_get_by_index+0x5e/0x80 [ 2442.280131][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2442.280131][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2442.280131][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2442.280131][ T1167] ipv6_add_addr+0x411/0x2000 [ 2442.280131][ T1167] inet6_addr_add+0x30e/0xa40 [ 2442.280131][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2442.280131][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.280131][ T1167] netlink_rcv_skb+0x130/0x360 [ 2442.280131][ T1167] netlink_unicast+0x449/0x710 [ 2442.280131][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2442.280131][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2442.280131][ T1167] ___sys_sendmsg+0xee/0x170 [ 2442.280131][ T1167] __sys_sendmsg+0xcd/0x170 [ 2442.280131][ T1167] do_syscall_64+0xc6/0x1e0 [ 2442.280131][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.280131][ T1167] [ 2442.282380][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2442.282380][ T1167] netdev_get_by_index+0x5e/0x80 [ 2442.282380][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2442.282380][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2442.282380][ T1167] ip6_route_add+0x1c/0x140 [ 2442.282380][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2442.282380][ T1167] addrconf_add_dev+0xe2/0x170 [ 2442.282380][ T1167] inet6_addr_add+0x12f/0xa40 [ 2442.282380][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2442.282380][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.282380][ T1167] netlink_rcv_skb+0x130/0x360 [ 2442.282380][ T1167] netlink_unicast+0x449/0x710 [ 2442.282380][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2442.282380][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2442.282380][ T1167] ___sys_sendmsg+0xee/0x170 [ 2442.282380][ T1167] __sys_sendmsg+0xcd/0x170 [ 2442.282380][ T1167] do_syscall_64+0xc6/0x1e0 [ 2442.282380][ T1167] [ 2442.284598][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2442.284598][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2442.284598][ T1167] ipv6_find_idev+0x102/0x170 [ 2442.284598][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2442.284598][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.284598][ T1167] netlink_rcv_skb+0x130/0x360 [ 2442.284598][ T1167] netlink_unicast+0x449/0x710 [ 2442.284598][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2442.284598][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2442.284598][ T1167] ___sys_sendmsg+0xee/0x170 [ 2442.284598][ T1167] __sys_sendmsg+0xcd/0x170 [ 2442.284598][ T1167] do_syscall_64+0xc6/0x1e0 [ 2442.284598][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.284598][ T1167] [ 2442.286360][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2442.286360][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2442.286360][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2442.286360][ T1167] ipv6_find_idev+0x102/0x170 [ 2442.286360][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2442.286360][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.286360][ T1167] netlink_rcv_skb+0x130/0x360 [ 2442.286360][ T1167] netlink_unicast+0x449/0x710 [ 2442.286360][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2442.286360][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2442.286360][ T1167] ___sys_sendmsg+0xee/0x170 [ 2442.286360][ T1167] __sys_sendmsg+0xcd/0x170 [ 2442.286360][ T1167] do_syscall_64+0xc6/0x1e0 [ 2442.286360][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.286360][ T1167] [ 2448.481106][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2448.481468][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2448.481468][ T10] netdev_get_by_index+0x5e/0x80 [ 2448.481468][ T10] fib6_nh_init+0x3d8/0x1580 [ 2448.481468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2448.481468][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2448.481468][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2448.481468][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2448.481468][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2448.481468][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2448.481468][ T10] addrconf_dad_begin+0x310/0x670 [ 2448.481468][ T10] addrconf_dad_work+0x10b/0xab0 [ 2448.481468][ T10] process_one_work+0x84d/0x18a0 [ 2448.481468][ T10] worker_thread+0x587/0xd30 [ 2448.481468][ T10] kthread+0x28a/0x350 [ 2448.481468][ T10] ret_from_fork+0x31/0x70 [ 2448.481468][ T10] ret_from_fork_asm+0x1a/0x30 [ 2448.481468][ T10] [ 2448.483409][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2448.483409][ T10] netdev_get_by_index+0x5e/0x80 [ 2448.483409][ T10] fib6_nh_init+0x3d8/0x1580 [ 2448.483409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2448.483409][ T10] ip6_route_add+0x1c/0x140 [ 2448.483409][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2448.483409][ T10] inet6_addr_add+0x4f8/0xa40 [ 2448.483409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2448.483409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2448.483409][ T10] netlink_rcv_skb+0x130/0x360 [ 2448.483409][ T10] netlink_unicast+0x449/0x710 [ 2448.483409][ T10] netlink_sendmsg+0x723/0xbe0 [ 2448.483409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2448.483409][ T10] ___sys_sendmsg+0xee/0x170 [ 2448.483409][ T10] __sys_sendmsg+0xcd/0x170 [ 2448.483409][ T10] do_syscall_64+0xc6/0x1e0 [ 2448.483409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2448.483409][ T10] [ 2448.485458][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2448.485458][ T10] netdev_get_by_index+0x5e/0x80 [ 2448.485458][ T10] fib6_nh_init+0x3d8/0x1580 [ 2448.485458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2448.485458][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2448.485458][ T10] ipv6_add_addr+0x411/0x2000 [ 2448.485458][ T10] inet6_addr_add+0x30e/0xa40 [ 2448.485458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2448.485458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2448.485458][ T10] netlink_rcv_skb+0x130/0x360 [ 2448.485458][ T10] netlink_unicast+0x449/0x710 [ 2448.485458][ T10] netlink_sendmsg+0x723/0xbe0 [ 2448.485458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2448.485458][ T10] ___sys_sendmsg+0xee/0x170 [ 2448.485458][ T10] __sys_sendmsg+0xcd/0x170 [ 2448.485458][ T10] do_syscall_64+0xc6/0x1e0 [ 2448.485458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2448.485458][ T10] [ 2448.487474][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2448.487474][ T10] netdev_get_by_index+0x5e/0x80 [ 2448.487474][ T10] fib6_nh_init+0x3d8/0x1580 [ 2448.487474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2448.487474][ T10] ip6_route_add+0x1c/0x140 [ 2448.487474][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2448.487474][ T10] addrconf_add_dev+0xe2/0x170 [ 2448.487474][ T10] inet6_addr_add+0x12f/0xa40 [ 2448.487474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2448.487474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2448.487474][ T10] netlink_rcv_skb+0x130/0x360 [ 2448.487474][ T10] netlink_unicast+0x449/0x710 [ 2448.487474][ T10] netlink_sendmsg+0x723/0xbe0 [ 2448.487474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2448.487474][ T10] ___sys_sendmsg+0xee/0x170 [ 2448.487474][ T10] __sys_sendmsg+0xcd/0x170 [ 2448.487474][ T10] do_syscall_64+0xc6/0x1e0 [ 2448.487474][ T10] [ 2448.489469][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2448.489469][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2448.489469][ T10] ipv6_find_idev+0x102/0x170 [ 2448.489469][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2448.489469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2448.489469][ T10] netlink_rcv_skb+0x130/0x360 [ 2448.489469][ T10] netlink_unicast+0x449/0x710 [ 2448.489469][ T10] netlink_sendmsg+0x723/0xbe0 [ 2448.489469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2448.489469][ T10] ___sys_sendmsg+0xee/0x170 [ 2448.489469][ T10] __sys_sendmsg+0xcd/0x170 [ 2448.489469][ T10] do_syscall_64+0xc6/0x1e0 [ 2448.489469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2448.489469][ T10] [ 2448.491014][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2448.491014][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2448.491014][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2448.491014][ T10] ipv6_find_idev+0x102/0x170 [ 2448.491014][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2448.491014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2448.491014][ T10] netlink_rcv_skb+0x130/0x360 [ 2448.491014][ T10] netlink_unicast+0x449/0x710 [ 2448.491014][ T10] netlink_sendmsg+0x723/0xbe0 [ 2448.491014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2448.491014][ T10] ___sys_sendmsg+0xee/0x170 [ 2448.491014][ T10] __sys_sendmsg+0xcd/0x170 [ 2448.491014][ T10] do_syscall_64+0xc6/0x1e0 [ 2448.491014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2448.491014][ T10] [ 2448.492724][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2448.492974][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2448.492974][ T10] netdev_get_by_index+0x5e/0x80 [ 2448.492974][ T10] fib6_nh_init+0x3d8/0x1580 [ 2448.492974][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2448.492974][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2448.492974][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2448.492974][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2448.492974][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2448.492974][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2448.492974][ T10] addrconf_dad_begin+0x310/0x670 [ 2448.492974][ T10] addrconf_dad_work+0x10b/0xab0 [ 2448.492974][ T10] process_one_work+0x84d/0x18a0 [ 2448.492974][ T10] worker_thread+0x587/0xd30 [ 2448.492974][ T10] kthread+0x28a/0x350 [ 2448.492974][ T10] ret_from_fork+0x31/0x70 [ 2448.492974][ T10] ret_from_fork_asm+0x1a/0x30 [ 2448.492974][ T10] [ 2448.494894][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2448.494894][ T10] netdev_get_by_index+0x5e/0x80 [ 2448.494894][ T10] fib6_nh_init+0x3d8/0x1580 [ 2448.494894][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2448.494894][ T10] ip6_route_add+0x1c/0x140 [ 2448.494894][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2448.494894][ T10] inet6_addr_add+0x4f8/0xa40 [ 2448.494894][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2448.494894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2448.494894][ T10] netlink_rcv_skb+0x130/0x360 [ 2448.494894][ T10] netlink_unicast+0x449/0x710 [ 2448.494894][ T10] netlink_sendmsg+0x723/0xbe0 [ 2448.494894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2448.494894][ T10] ___sys_sendmsg+0xee/0x170 [ 2448.494894][ T10] __sys_sendmsg+0xcd/0x170 [ 2448.494894][ T10] do_syscall_64+0xc6/0x1e0 [ 2448.494894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2448.494894][ T10] [ 2448.496920][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2448.496920][ T10] netdev_get_by_index+0x5e/0x80 [ 2448.496920][ T10] fib6_nh_init+0x3d8/0x1580 [ 2448.496920][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2448.496920][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2448.496920][ T10] ipv6_add_addr+0x411/0x2000 [ 2448.496920][ T10] inet6_addr_add+0x30e/0xa40 [ 2448.496920][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2448.496920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2448.496920][ T10] netlink_rcv_skb+0x130/0x360 [ 2448.496920][ T10] netlink_unicast+0x449/0x710 [ 2448.496920][ T10] netlink_sendmsg+0x723/0xbe0 [ 2448.496920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2448.496920][ T10] ___sys_sendmsg+0xee/0x170 [ 2448.496920][ T10] __sys_sendmsg+0xcd/0x170 [ 2448.496920][ T10] do_syscall_64+0xc6/0x1e0 [ 2448.496920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2448.496920][ T10] [ 2448.498924][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2448.498924][ T10] netdev_get_by_index+0x5e/0x80 [ 2448.498924][ T10] fib6_nh_init+0x3d8/0x1580 [ 2448.498924][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2448.498924][ T10] ip6_route_add+0x1c/0x140 [ 2448.498924][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2448.498924][ T10] addrconf_add_dev+0xe2/0x170 [ 2448.498924][ T10] inet6_addr_add+0x12f/0xa40 [ 2448.498924][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2448.498924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2448.498924][ T10] netlink_rcv_skb+0x130/0x360 [ 2448.498924][ T10] netlink_unicast+0x449/0x710 [ 2448.498924][ T10] netlink_sendmsg+0x723/0xbe0 [ 2448.498924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2448.498924][ T10] ___sys_sendmsg+0xee/0x170 [ 2448.498924][ T10] __sys_sendmsg+0xcd/0x170 [ 2448.498924][ T10] do_syscall_64+0xc6/0x1e0 [ 2448.498924][ T10] [ 2448.500905][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2448.500905][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2448.500905][ T10] ipv6_find_idev+0x102/0x170 [ 2448.500905][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2448.500905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2448.500905][ T10] netlink_rcv_skb+0x130/0x360 [ 2448.500905][ T10] netlink_unicast+0x449/0x710 [ 2448.500905][ T10] netlink_sendmsg+0x723/0xbe0 [ 2448.500905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2448.500905][ T10] ___sys_sendmsg+0xee/0x170 [ 2448.500905][ T10] __sys_sendmsg+0xcd/0x170 [ 2448.500905][ T10] do_syscall_64+0xc6/0x1e0 [ 2448.500905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2448.500905][ T10] [ 2448.502450][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2448.502450][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2448.502450][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2448.502450][ T10] ipv6_find_idev+0x102/0x170 [ 2448.502450][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2448.502450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2448.502450][ T10] netlink_rcv_skb+0x130/0x360 [ 2448.502450][ T10] netlink_unicast+0x449/0x710 [ 2448.502450][ T10] netlink_sendmsg+0x723/0xbe0 [ 2448.502450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2448.502450][ T10] ___sys_sendmsg+0xee/0x170 [ 2448.502450][ T10] __sys_sendmsg+0xcd/0x170 [ 2448.502450][ T10] do_syscall_64+0xc6/0x1e0 [ 2448.502450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2448.502450][ T10] [ 2448.504169][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2448.504416][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2448.504416][ T10] netdev_get_by_index+0x5e/0x80 [ 2448.504416][ T10] fib6_nh_init+0x3d8/0x1580 [ 2448.504416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2448.504416][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2448.504416][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2448.504416][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2448.504416][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2448.504416][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2448.504416][ T10] addrconf_dad_begin+0x310/0x670 [ 2448.504416][ T10] addrconf_dad_work+0x10b/0xab0 [ 2448.504416][ T10] process_one_work+0x84d/0x18a0 [ 2448.504416][ T10] worker_thread+0x587/0xd30 [ 2448.504416][ T10] kthread+0x28a/0x350 [ 2448.504416][ T10] ret_from_fork+0x31/0x70 [ 2448.504416][ T10] ret_from_fork_asm+0x1a/0x30 [ 2448.504416][ T10] [ 2448.506328][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2448.506328][ T10] netdev_get_by_index+0x5e/0x80 [ 2448.506328][ T10] fib6_nh_init+0x3d8/0x1580 [ 2448.506328][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2448.506328][ T10] ip6_route_add+0x1c/0x140 [ 2448.506328][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2448.506328][ T10] inet6_addr_add+0x4f8/0xa40 [ 2448.506328][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2448.506328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2448.506328][ T10] netlink_rcv_skb+0x130/0x360 [ 2448.506328][ T10] netlink_unicast+0x449/0x710 [ 2448.506328][ T10] netlink_sendmsg+0x723/0xbe0 [ 2448.506328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2448.506328][ T10] ___sys_sendmsg+0xee/0x170 [ 2448.506328][ T10] __sys_sendmsg+0xcd/0x170 [ 2448.506328][ T10] do_syscall_64+0xc6/0x1e0 [ 2448.506328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2448.506328][ T10] [ 2448.508524][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2448.508524][ T10] netdev_get_by_index+0x5e/0x80 [ 2448.508524][ T10] fib6_nh_init+0x3d8/0x1580 [ 2448.508524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2448.508524][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2448.508524][ T10] ipv6_add_addr+0x411/0x2000 [ 2448.508524][ T10] inet6_addr_add+0x30e/0xa40 [ 2448.508524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2448.508524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2448.508524][ T10] netlink_rcv_skb+0x130/0x360 [ 2448.508524][ T10] netlink_unicast+0x449/0x710 [ 2448.508524][ T10] netlink_sendmsg+0x723/0xbe0 [ 2448.508524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2448.508524][ T10] ___sys_sendmsg+0xee/0x170 [ 2448.508524][ T10] __sys_sendmsg+0xcd/0x170 [ 2448.508524][ T10] do_syscall_64+0xc6/0x1e0 [ 2448.508524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2448.508524][ T10] [ 2448.510790][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2448.510790][ T10] netdev_get_by_index+0x5e/0x80 [ 2448.510790][ T10] fib6_nh_init+0x3d8/0x1580 [ 2448.510790][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2448.510790][ T10] ip6_route_add+0x1c/0x140 [ 2448.510790][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2448.510790][ T10] addrconf_add_dev+0xe2/0x170 [ 2448.510790][ T10] inet6_addr_add+0x12f/0xa40 [ 2448.510790][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2448.510790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2448.510790][ T10] netlink_rcv_skb+0x130/0x360 [ 2448.510790][ T10] netlink_unicast+0x449/0x710 [ 2448.510790][ T10] netlink_sendmsg+0x723/0xbe0 [ 2448.510790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2448.510790][ T10] ___sys_sendmsg+0xee/0x170 [ 2448.510790][ T10] __sys_sendmsg+0xcd/0x170 [ 2448.510790][ T10] do_syscall_64+0xc6/0x1e0 [ 2448.510790][ T10] [ 2448.513007][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2448.513007][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2448.513007][ T10] ipv6_find_idev+0x102/0x170 [ 2448.513007][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2448.513007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2448.513007][ T10] netlink_rcv_skb+0x130/0x360 [ 2448.513007][ T10] netlink_unicast+0x449/0x710 [ 2448.513007][ T10] netlink_sendmsg+0x723/0xbe0 [ 2448.513007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2448.513007][ T10] ___sys_sendmsg+0xee/0x170 [ 2448.513007][ T10] __sys_sendmsg+0xcd/0x170 [ 2448.513007][ T10] do_syscall_64+0xc6/0x1e0 [ 2448.513007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2448.513007][ T10] [ 2448.514798][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2448.514798][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2448.514798][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2448.514798][ T10] ipv6_find_idev+0x102/0x170 [ 2448.514798][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2448.514798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2448.514798][ T10] netlink_rcv_skb+0x130/0x360 [ 2448.514798][ T10] netlink_unicast+0x449/0x710 [ 2448.514798][ T10] netlink_sendmsg+0x723/0xbe0 [ 2448.514798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2448.514798][ T10] ___sys_sendmsg+0xee/0x170 [ 2448.514798][ T10] __sys_sendmsg+0xcd/0x170 [ 2448.514798][ T10] do_syscall_64+0xc6/0x1e0 [ 2448.514798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2448.514798][ T10] [ 2448.516689][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2448.516930][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2448.516930][ T10] netdev_get_by_index+0x5e/0x80 [ 2448.516930][ T10] fib6_nh_init+0x3d8/0x1580 [ 2448.516930][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2448.516930][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2448.516930][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2448.516930][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2448.516930][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2448.516930][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2448.516930][ T10] addrconf_dad_begin+0x310/0x670 [ 2448.516930][ T10] addrconf_dad_work+0x10b/0xab0 [ 2448.516930][ T10] process_one_work+0x84d/0x18a0 [ 2448.516930][ T10] worker_thread+0x587/0xd30 [ 2448.516930][ T10] kthread+0x28a/0x350 [ 2448.516930][ T10] ret_from_fork+0x31/0x70 [ 2448.516930][ T10] ret_from_fork_asm+0x1a/0x30 [ 2448.516930][ T10] [ 2448.519089][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2448.519089][ T10] netdev_get_by_index+0x5e/0x80 [ 2448.519089][ T10] fib6_nh_init+0x3d8/0x1580 [ 2448.519089][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2448.519089][ T10] ip6_route_add+0x1c/0x140 [ 2448.519089][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2448.519089][ T10] inet6_addr_add+0x4f8/0xa40 [ 2448.519089][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2448.519089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2448.519089][ T10] netlink_rcv_skb+0x130/0x360 [ 2448.519089][ T10] netlink_unicast+0x449/0x710 [ 2448.519089][ T10] netlink_sendmsg+0x723/0xbe0 [ 2448.519089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2448.519089][ T10] ___sys_sendmsg+0xee/0x170 [ 2448.519089][ T10] __sys_sendmsg+0xcd/0x170 [ 2448.519089][ T10] do_syscall_64+0xc6/0x1e0 [ 2448.519089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2448.519089][ T10] [ 2448.521345][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2448.521345][ T10] netdev_get_by_index+0x5e/0x80 [ 2448.521345][ T10] fib6_nh_init+0x3d8/0x1580 [ 2448.521345][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2448.521345][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2448.521345][ T10] ipv6_add_addr+0x411/0x2000 [ 2448.521345][ T10] inet6_addr_add+0x30e/0xa40 [ 2448.521345][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2448.521345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2448.521345][ T10] netlink_rcv_skb+0x130/0x360 [ 2448.521345][ T10] netlink_unicast+0x449/0x710 [ 2448.521345][ T10] netlink_sendmsg+0x723/0xbe0 [ 2448.521345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2448.521345][ T10] ___sys_sendmsg+0xee/0x170 [ 2448.521345][ T10] __sys_sendmsg+0xcd/0x170 [ 2448.521345][ T10] do_syscall_64+0xc6/0x1e0 [ 2448.521345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2448.521345][ T10] [ 2448.523674][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2448.523674][ T10] netdev_get_by_index+0x5e/0x80 [ 2448.523674][ T10] fib6_nh_init+0x3d8/0x1580 [ 2448.523674][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2448.523674][ T10] ip6_route_add+0x1c/0x140 [ 2448.523674][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2448.523674][ T10] addrconf_add_dev+0xe2/0x170 [ 2448.523674][ T10] inet6_addr_add+0x12f/0xa40 [ 2448.523674][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2448.523674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2448.523674][ T10] netlink_rcv_skb+0x130/0x360 [ 2448.523674][ T10] netlink_unicast+0x449/0x710 [ 2448.523674][ T10] netlink_sendmsg+0x723/0xbe0 [ 2448.523674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2448.523674][ T10] ___sys_sendmsg+0xee/0x170 [ 2448.523674][ T10] __sys_sendmsg+0xcd/0x170 [ 2448.523674][ T10] do_syscall_64+0xc6/0x1e0 [ 2448.523674][ T10] [ 2448.525821][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2448.525821][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2448.525821][ T10] ipv6_find_idev+0x102/0x170 [ 2448.525821][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2448.525821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2448.525821][ T10] netlink_rcv_skb+0x130/0x360 [ 2448.525821][ T10] netlink_unicast+0x449/0x710 [ 2448.525821][ T10] netlink_sendmsg+0x723/0xbe0 [ 2448.525821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2448.525821][ T10] ___sys_sendmsg+0xee/0x170 [ 2448.525821][ T10] __sys_sendmsg+0xcd/0x170 [ 2448.525821][ T10] do_syscall_64+0xc6/0x1e0 [ 2448.525821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2448.525821][ T10] [ 2448.527554][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2448.527554][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2448.527554][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2448.527554][ T10] ipv6_find_idev+0x102/0x170 [ 2448.527554][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2448.527554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2448.527554][ T10] netlink_rcv_skb+0x130/0x360 [ 2448.527554][ T10] netlink_unicast+0x449/0x710 [ 2448.527554][ T10] netlink_sendmsg+0x723/0xbe0 [ 2448.527554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2448.527554][ T10] ___sys_sendmsg+0xee/0x170 [ 2448.527554][ T10] __sys_sendmsg+0xcd/0x170 [ 2448.527554][ T10] do_syscall_64+0xc6/0x1e0 [ 2448.527554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2448.527554][ T10] [ 2452.529112][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2452.529530][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2452.529530][ T1167] dst_init+0x84/0x4a0 [ 2452.529530][ T1167] dst_alloc+0x97/0x150 [ 2452.529530][ T1167] ip6_dst_alloc+0x23/0x90 [ 2452.529530][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2452.529530][ T1167] ip6_pol_route+0x56f/0x840 [ 2452.529530][ T1167] fib6_rule_lookup+0x334/0x630 [ 2452.529530][ T1167] ip6_route_output_flags+0x259/0x480 [ 2452.529530][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2452.529530][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2452.529530][ T1167] netlink_rcv_skb+0x130/0x360 [ 2452.529530][ T1167] netlink_unicast+0x449/0x710 [ 2452.529530][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2452.529530][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2452.529530][ T1167] ___sys_sendmsg+0xee/0x170 [ 2452.529530][ T1167] __sys_sendmsg+0xcd/0x170 [ 2452.529530][ T1167] do_syscall_64+0xc6/0x1e0 [ 2452.529530][ T1167] [ 2452.531717][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2452.531717][ T1167] netdev_get_by_index+0x5e/0x80 [ 2452.531717][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2452.531717][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2452.531717][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2452.531717][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2452.531717][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2452.531717][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2452.531717][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2452.531717][ T1167] addrconf_dad_begin+0x310/0x670 [ 2452.531717][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2452.531717][ T1167] process_one_work+0x84d/0x18a0 [ 2452.531717][ T1167] worker_thread+0x587/0xd30 [ 2452.531717][ T1167] kthread+0x28a/0x350 [ 2452.531717][ T1167] ret_from_fork+0x31/0x70 [ 2452.531717][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2452.531717][ T1167] [ 2452.533853][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2452.533853][ T1167] netdev_get_by_index+0x5e/0x80 [ 2452.533853][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2452.533853][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2452.533853][ T1167] ip6_route_add+0x1c/0x140 [ 2452.533853][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2452.533853][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2452.533853][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2452.533853][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.533853][ T1167] netlink_rcv_skb+0x130/0x360 [ 2452.533853][ T1167] netlink_unicast+0x449/0x710 [ 2452.533853][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2452.533853][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2452.533853][ T1167] ___sys_sendmsg+0xee/0x170 [ 2452.533853][ T1167] __sys_sendmsg+0xcd/0x170 [ 2452.533853][ T1167] do_syscall_64+0xc6/0x1e0 [ 2452.533853][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2452.533853][ T1167] [ 2452.536096][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2452.536096][ T1167] netdev_get_by_index+0x5e/0x80 [ 2452.536096][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2452.536096][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2452.536096][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2452.536096][ T1167] ipv6_add_addr+0x411/0x2000 [ 2452.536096][ T1167] inet6_addr_add+0x30e/0xa40 [ 2452.536096][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2452.536096][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.536096][ T1167] netlink_rcv_skb+0x130/0x360 [ 2452.536096][ T1167] netlink_unicast+0x449/0x710 [ 2452.536096][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2452.536096][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2452.536096][ T1167] ___sys_sendmsg+0xee/0x170 [ 2452.536096][ T1167] __sys_sendmsg+0xcd/0x170 [ 2452.536096][ T1167] do_syscall_64+0xc6/0x1e0 [ 2452.536096][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2452.536096][ T1167] [ 2452.539178][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2452.539178][ T1167] netdev_get_by_index+0x5e/0x80 [ 2452.539178][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2452.539178][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2452.539178][ T1167] ip6_route_add+0x1c/0x140 [ 2452.539178][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2452.539178][ T1167] addrconf_add_dev+0xe2/0x170 [ 2452.539178][ T1167] inet6_addr_add+0x12f/0xa40 [ 2452.539178][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2452.539178][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.539178][ T1167] netlink_rcv_skb+0x130/0x360 [ 2452.539178][ T1167] netlink_unicast+0x449/0x710 [ 2452.539178][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2452.539178][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2452.539178][ T1167] ___sys_sendmsg+0xee/0x170 [ 2452.539178][ T1167] __sys_sendmsg+0xcd/0x170 [ 2452.539178][ T1167] do_syscall_64+0xc6/0x1e0 [ 2452.539178][ T1167] [ 2452.542449][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2452.542449][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2452.542449][ T1167] ipv6_find_idev+0x102/0x170 [ 2452.542449][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2452.542449][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.542449][ T1167] netlink_rcv_skb+0x130/0x360 [ 2452.542449][ T1167] netlink_unicast+0x449/0x710 [ 2452.542449][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2452.542449][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2452.542449][ T1167] ___sys_sendmsg+0xee/0x170 [ 2452.542449][ T1167] __sys_sendmsg+0xcd/0x170 [ 2452.542449][ T1167] do_syscall_64+0xc6/0x1e0 [ 2452.542449][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2452.542449][ T1167] [ 2452.545021][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2452.545021][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2452.545021][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2452.545021][ T1167] ipv6_find_idev+0x102/0x170 [ 2452.545021][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2452.545021][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.545021][ T1167] netlink_rcv_skb+0x130/0x360 [ 2452.545021][ T1167] netlink_unicast+0x449/0x710 [ 2452.545021][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2452.545021][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2452.545021][ T1167] ___sys_sendmsg+0xee/0x170 [ 2452.545021][ T1167] __sys_sendmsg+0xcd/0x170 [ 2452.545021][ T1167] do_syscall_64+0xc6/0x1e0 [ 2452.545021][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2452.545021][ T1167] [ 2458.785137][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2458.785568][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2458.785568][ T10] netdev_get_by_index+0x5e/0x80 [ 2458.785568][ T10] fib6_nh_init+0x3d8/0x1580 [ 2458.785568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2458.785568][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2458.785568][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2458.785568][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2458.785568][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2458.785568][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2458.785568][ T10] addrconf_dad_begin+0x310/0x670 [ 2458.785568][ T10] addrconf_dad_work+0x10b/0xab0 [ 2458.785568][ T10] process_one_work+0x84d/0x18a0 [ 2458.785568][ T10] worker_thread+0x587/0xd30 [ 2458.785568][ T10] kthread+0x28a/0x350 [ 2458.785568][ T10] ret_from_fork+0x31/0x70 [ 2458.785568][ T10] ret_from_fork_asm+0x1a/0x30 [ 2458.785568][ T10] [ 2458.787527][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2458.787527][ T10] netdev_get_by_index+0x5e/0x80 [ 2458.787527][ T10] fib6_nh_init+0x3d8/0x1580 [ 2458.787527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2458.787527][ T10] ip6_route_add+0x1c/0x140 [ 2458.787527][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2458.787527][ T10] inet6_addr_add+0x4f8/0xa40 [ 2458.787527][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2458.787527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2458.787527][ T10] netlink_rcv_skb+0x130/0x360 [ 2458.787527][ T10] netlink_unicast+0x449/0x710 [ 2458.787527][ T10] netlink_sendmsg+0x723/0xbe0 [ 2458.787527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2458.787527][ T10] ___sys_sendmsg+0xee/0x170 [ 2458.787527][ T10] __sys_sendmsg+0xcd/0x170 [ 2458.787527][ T10] do_syscall_64+0xc6/0x1e0 [ 2458.787527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2458.787527][ T10] [ 2458.789550][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2458.789550][ T10] netdev_get_by_index+0x5e/0x80 [ 2458.789550][ T10] fib6_nh_init+0x3d8/0x1580 [ 2458.789550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2458.789550][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2458.789550][ T10] ipv6_add_addr+0x411/0x2000 [ 2458.789550][ T10] inet6_addr_add+0x30e/0xa40 [ 2458.789550][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2458.789550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2458.789550][ T10] netlink_rcv_skb+0x130/0x360 [ 2458.789550][ T10] netlink_unicast+0x449/0x710 [ 2458.789550][ T10] netlink_sendmsg+0x723/0xbe0 [ 2458.789550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2458.789550][ T10] ___sys_sendmsg+0xee/0x170 [ 2458.789550][ T10] __sys_sendmsg+0xcd/0x170 [ 2458.789550][ T10] do_syscall_64+0xc6/0x1e0 [ 2458.789550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2458.789550][ T10] [ 2458.791564][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2458.791564][ T10] netdev_get_by_index+0x5e/0x80 [ 2458.791564][ T10] fib6_nh_init+0x3d8/0x1580 [ 2458.791564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2458.791564][ T10] ip6_route_add+0x1c/0x140 [ 2458.791564][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2458.791564][ T10] addrconf_add_dev+0xe2/0x170 [ 2458.791564][ T10] inet6_addr_add+0x12f/0xa40 [ 2458.791564][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2458.791564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2458.791564][ T10] netlink_rcv_skb+0x130/0x360 [ 2458.791564][ T10] netlink_unicast+0x449/0x710 [ 2458.791564][ T10] netlink_sendmsg+0x723/0xbe0 [ 2458.791564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2458.791564][ T10] ___sys_sendmsg+0xee/0x170 [ 2458.791564][ T10] __sys_sendmsg+0xcd/0x170 [ 2458.791564][ T10] do_syscall_64+0xc6/0x1e0 [ 2458.791564][ T10] [ 2458.793537][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2458.793537][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2458.793537][ T10] ipv6_find_idev+0x102/0x170 [ 2458.793537][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2458.793537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2458.793537][ T10] netlink_rcv_skb+0x130/0x360 [ 2458.793537][ T10] netlink_unicast+0x449/0x710 [ 2458.793537][ T10] netlink_sendmsg+0x723/0xbe0 [ 2458.793537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2458.793537][ T10] ___sys_sendmsg+0xee/0x170 [ 2458.793537][ T10] __sys_sendmsg+0xcd/0x170 [ 2458.793537][ T10] do_syscall_64+0xc6/0x1e0 [ 2458.793537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2458.793537][ T10] [ 2458.795089][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2458.795089][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2458.795089][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2458.795089][ T10] ipv6_find_idev+0x102/0x170 [ 2458.795089][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2458.795089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2458.795089][ T10] netlink_rcv_skb+0x130/0x360 [ 2458.795089][ T10] netlink_unicast+0x449/0x710 [ 2458.795089][ T10] netlink_sendmsg+0x723/0xbe0 [ 2458.795089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2458.795089][ T10] ___sys_sendmsg+0xee/0x170 [ 2458.795089][ T10] __sys_sendmsg+0xcd/0x170 [ 2458.795089][ T10] do_syscall_64+0xc6/0x1e0 [ 2458.795089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2458.795089][ T10] [ 2458.796806][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2458.797070][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2458.797070][ T10] netdev_get_by_index+0x5e/0x80 [ 2458.797070][ T10] fib6_nh_init+0x3d8/0x1580 [ 2458.797070][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2458.797070][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2458.797070][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2458.797070][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2458.797070][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2458.797070][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2458.797070][ T10] addrconf_dad_begin+0x310/0x670 [ 2458.797070][ T10] addrconf_dad_work+0x10b/0xab0 [ 2458.797070][ T10] process_one_work+0x84d/0x18a0 [ 2458.797070][ T10] worker_thread+0x587/0xd30 [ 2458.797070][ T10] kthread+0x28a/0x350 [ 2458.797070][ T10] ret_from_fork+0x31/0x70 [ 2458.797070][ T10] ret_from_fork_asm+0x1a/0x30 [ 2458.797070][ T10] [ 2458.798985][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2458.798985][ T10] netdev_get_by_index+0x5e/0x80 [ 2458.798985][ T10] fib6_nh_init+0x3d8/0x1580 [ 2458.798985][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2458.798985][ T10] ip6_route_add+0x1c/0x140 [ 2458.798985][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2458.798985][ T10] inet6_addr_add+0x4f8/0xa40 [ 2458.798985][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2458.798985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2458.798985][ T10] netlink_rcv_skb+0x130/0x360 [ 2458.798985][ T10] netlink_unicast+0x449/0x710 [ 2458.798985][ T10] netlink_sendmsg+0x723/0xbe0 [ 2458.798985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2458.798985][ T10] ___sys_sendmsg+0xee/0x170 [ 2458.798985][ T10] __sys_sendmsg+0xcd/0x170 [ 2458.798985][ T10] do_syscall_64+0xc6/0x1e0 [ 2458.798985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2458.798985][ T10] [ 2458.800999][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2458.800999][ T10] netdev_get_by_index+0x5e/0x80 [ 2458.800999][ T10] fib6_nh_init+0x3d8/0x1580 [ 2458.800999][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2458.800999][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2458.800999][ T10] ipv6_add_addr+0x411/0x2000 [ 2458.800999][ T10] inet6_addr_add+0x30e/0xa40 [ 2458.800999][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2458.800999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2458.800999][ T10] netlink_rcv_skb+0x130/0x360 [ 2458.800999][ T10] netlink_unicast+0x449/0x710 [ 2458.800999][ T10] netlink_sendmsg+0x723/0xbe0 [ 2458.800999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2458.800999][ T10] ___sys_sendmsg+0xee/0x170 [ 2458.800999][ T10] __sys_sendmsg+0xcd/0x170 [ 2458.800999][ T10] do_syscall_64+0xc6/0x1e0 [ 2458.800999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2458.800999][ T10] [ 2458.803009][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2458.803009][ T10] netdev_get_by_index+0x5e/0x80 [ 2458.803009][ T10] fib6_nh_init+0x3d8/0x1580 [ 2458.803009][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2458.803009][ T10] ip6_route_add+0x1c/0x140 [ 2458.803009][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2458.803009][ T10] addrconf_add_dev+0xe2/0x170 [ 2458.803009][ T10] inet6_addr_add+0x12f/0xa40 [ 2458.803009][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2458.803009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2458.803009][ T10] netlink_rcv_skb+0x130/0x360 [ 2458.803009][ T10] netlink_unicast+0x449/0x710 [ 2458.803009][ T10] netlink_sendmsg+0x723/0xbe0 [ 2458.803009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2458.803009][ T10] ___sys_sendmsg+0xee/0x170 [ 2458.803009][ T10] __sys_sendmsg+0xcd/0x170 [ 2458.803009][ T10] do_syscall_64+0xc6/0x1e0 [ 2458.803009][ T10] [ 2458.804994][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2458.804994][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2458.804994][ T10] ipv6_find_idev+0x102/0x170 [ 2458.804994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2458.804994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2458.804994][ T10] netlink_rcv_skb+0x130/0x360 [ 2458.804994][ T10] netlink_unicast+0x449/0x710 [ 2458.804994][ T10] netlink_sendmsg+0x723/0xbe0 [ 2458.804994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2458.804994][ T10] ___sys_sendmsg+0xee/0x170 [ 2458.804994][ T10] __sys_sendmsg+0xcd/0x170 [ 2458.804994][ T10] do_syscall_64+0xc6/0x1e0 [ 2458.804994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2458.804994][ T10] [ 2458.806568][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2458.806568][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2458.806568][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2458.806568][ T10] ipv6_find_idev+0x102/0x170 [ 2458.806568][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2458.806568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2458.806568][ T10] netlink_rcv_skb+0x130/0x360 [ 2458.806568][ T10] netlink_unicast+0x449/0x710 [ 2458.806568][ T10] netlink_sendmsg+0x723/0xbe0 [ 2458.806568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2458.806568][ T10] ___sys_sendmsg+0xee/0x170 [ 2458.806568][ T10] __sys_sendmsg+0xcd/0x170 [ 2458.806568][ T10] do_syscall_64+0xc6/0x1e0 [ 2458.806568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2458.806568][ T10] [ 2458.808271][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2458.808521][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2458.808521][ T10] netdev_get_by_index+0x5e/0x80 [ 2458.808521][ T10] fib6_nh_init+0x3d8/0x1580 [ 2458.808521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2458.808521][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2458.808521][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2458.808521][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2458.808521][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2458.808521][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2458.808521][ T10] addrconf_dad_begin+0x310/0x670 [ 2458.808521][ T10] addrconf_dad_work+0x10b/0xab0 [ 2458.808521][ T10] process_one_work+0x84d/0x18a0 [ 2458.808521][ T10] worker_thread+0x587/0xd30 [ 2458.808521][ T10] kthread+0x28a/0x350 [ 2458.808521][ T10] ret_from_fork+0x31/0x70 [ 2458.808521][ T10] ret_from_fork_asm+0x1a/0x30 [ 2458.808521][ T10] [ 2458.810450][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2458.810450][ T10] netdev_get_by_index+0x5e/0x80 [ 2458.810450][ T10] fib6_nh_init+0x3d8/0x1580 [ 2458.810450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2458.810450][ T10] ip6_route_add+0x1c/0x140 [ 2458.810450][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2458.810450][ T10] inet6_addr_add+0x4f8/0xa40 [ 2458.810450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2458.810450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2458.810450][ T10] netlink_rcv_skb+0x130/0x360 [ 2458.810450][ T10] netlink_unicast+0x449/0x710 [ 2458.810450][ T10] netlink_sendmsg+0x723/0xbe0 [ 2458.810450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2458.810450][ T10] ___sys_sendmsg+0xee/0x170 [ 2458.810450][ T10] __sys_sendmsg+0xcd/0x170 [ 2458.810450][ T10] do_syscall_64+0xc6/0x1e0 [ 2458.810450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2458.810450][ T10] [ 2458.812642][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2458.812642][ T10] netdev_get_by_index+0x5e/0x80 [ 2458.812642][ T10] fib6_nh_init+0x3d8/0x1580 [ 2458.812642][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2458.812642][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2458.812642][ T10] ipv6_add_addr+0x411/0x2000 [ 2458.812642][ T10] inet6_addr_add+0x30e/0xa40 [ 2458.812642][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2458.812642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2458.812642][ T10] netlink_rcv_skb+0x130/0x360 [ 2458.812642][ T10] netlink_unicast+0x449/0x710 [ 2458.812642][ T10] netlink_sendmsg+0x723/0xbe0 [ 2458.812642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2458.812642][ T10] ___sys_sendmsg+0xee/0x170 [ 2458.812642][ T10] __sys_sendmsg+0xcd/0x170 [ 2458.812642][ T10] do_syscall_64+0xc6/0x1e0 [ 2458.812642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2458.812642][ T10] [ 2458.814905][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2458.814905][ T10] netdev_get_by_index+0x5e/0x80 [ 2458.814905][ T10] fib6_nh_init+0x3d8/0x1580 [ 2458.814905][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2458.814905][ T10] ip6_route_add+0x1c/0x140 [ 2458.814905][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2458.814905][ T10] addrconf_add_dev+0xe2/0x170 [ 2458.814905][ T10] inet6_addr_add+0x12f/0xa40 [ 2458.814905][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2458.814905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2458.814905][ T10] netlink_rcv_skb+0x130/0x360 [ 2458.814905][ T10] netlink_unicast+0x449/0x710 [ 2458.814905][ T10] netlink_sendmsg+0x723/0xbe0 [ 2458.814905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2458.814905][ T10] ___sys_sendmsg+0xee/0x170 [ 2458.814905][ T10] __sys_sendmsg+0xcd/0x170 [ 2458.814905][ T10] do_syscall_64+0xc6/0x1e0 [ 2458.814905][ T10] [ 2458.817187][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2458.817187][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2458.817187][ T10] ipv6_find_idev+0x102/0x170 [ 2458.817187][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2458.817187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2458.817187][ T10] netlink_rcv_skb+0x130/0x360 [ 2458.817187][ T10] netlink_unicast+0x449/0x710 [ 2458.817187][ T10] netlink_sendmsg+0x723/0xbe0 [ 2458.817187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2458.817187][ T10] ___sys_sendmsg+0xee/0x170 [ 2458.817187][ T10] __sys_sendmsg+0xcd/0x170 [ 2458.817187][ T10] do_syscall_64+0xc6/0x1e0 [ 2458.817187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2458.817187][ T10] [ 2458.818918][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2458.818918][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2458.818918][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2458.818918][ T10] ipv6_find_idev+0x102/0x170 [ 2458.818918][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2458.818918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2458.818918][ T10] netlink_rcv_skb+0x130/0x360 [ 2458.818918][ T10] netlink_unicast+0x449/0x710 [ 2458.818918][ T10] netlink_sendmsg+0x723/0xbe0 [ 2458.818918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2458.818918][ T10] ___sys_sendmsg+0xee/0x170 [ 2458.818918][ T10] __sys_sendmsg+0xcd/0x170 [ 2458.818918][ T10] do_syscall_64+0xc6/0x1e0 [ 2458.818918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2458.818918][ T10] [ 2458.820811][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2458.821492][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2458.821492][ T10] netdev_get_by_index+0x5e/0x80 [ 2458.821492][ T10] fib6_nh_init+0x3d8/0x1580 [ 2458.821492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2458.821492][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2458.821492][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2458.821492][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2458.821492][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2458.821492][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2458.821492][ T10] addrconf_dad_begin+0x310/0x670 [ 2458.821492][ T10] addrconf_dad_work+0x10b/0xab0 [ 2458.821492][ T10] process_one_work+0x84d/0x18a0 [ 2458.821492][ T10] worker_thread+0x587/0xd30 [ 2458.821492][ T10] kthread+0x28a/0x350 [ 2458.821492][ T10] ret_from_fork+0x31/0x70 [ 2458.821492][ T10] ret_from_fork_asm+0x1a/0x30 [ 2458.821492][ T10] [ 2458.823407][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2458.823407][ T10] netdev_get_by_index+0x5e/0x80 [ 2458.823407][ T10] fib6_nh_init+0x3d8/0x1580 [ 2458.823407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2458.823407][ T10] ip6_route_add+0x1c/0x140 [ 2458.823407][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2458.823407][ T10] inet6_addr_add+0x4f8/0xa40 [ 2458.823407][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2458.823407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2458.823407][ T10] netlink_rcv_skb+0x130/0x360 [ 2458.823407][ T10] netlink_unicast+0x449/0x710 [ 2458.823407][ T10] netlink_sendmsg+0x723/0xbe0 [ 2458.823407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2458.823407][ T10] ___sys_sendmsg+0xee/0x170 [ 2458.823407][ T10] __sys_sendmsg+0xcd/0x170 [ 2458.823407][ T10] do_syscall_64+0xc6/0x1e0 [ 2458.823407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2458.823407][ T10] [ 2458.825531][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2458.825531][ T10] netdev_get_by_index+0x5e/0x80 [ 2458.825531][ T10] fib6_nh_init+0x3d8/0x1580 [ 2458.825531][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2458.825531][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2458.825531][ T10] ipv6_add_addr+0x411/0x2000 [ 2458.825531][ T10] inet6_addr_add+0x30e/0xa40 [ 2458.825531][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2458.825531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2458.825531][ T10] netlink_rcv_skb+0x130/0x360 [ 2458.825531][ T10] netlink_unicast+0x449/0x710 [ 2458.825531][ T10] netlink_sendmsg+0x723/0xbe0 [ 2458.825531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2458.825531][ T10] ___sys_sendmsg+0xee/0x170 [ 2458.825531][ T10] __sys_sendmsg+0xcd/0x170 [ 2458.825531][ T10] do_syscall_64+0xc6/0x1e0 [ 2458.825531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2458.825531][ T10] [ 2458.827791][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2458.827791][ T10] netdev_get_by_index+0x5e/0x80 [ 2458.827791][ T10] fib6_nh_init+0x3d8/0x1580 [ 2458.827791][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2458.827791][ T10] ip6_route_add+0x1c/0x140 [ 2458.827791][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2458.827791][ T10] addrconf_add_dev+0xe2/0x170 [ 2458.827791][ T10] inet6_addr_add+0x12f/0xa40 [ 2458.827791][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2458.827791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2458.827791][ T10] netlink_rcv_skb+0x130/0x360 [ 2458.827791][ T10] netlink_unicast+0x449/0x710 [ 2458.827791][ T10] netlink_sendmsg+0x723/0xbe0 [ 2458.827791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2458.827791][ T10] ___sys_sendmsg+0xee/0x170 [ 2458.827791][ T10] __sys_sendmsg+0xcd/0x170 [ 2458.827791][ T10] do_syscall_64+0xc6/0x1e0 [ 2458.827791][ T10] [ 2458.830065][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2458.830065][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2458.830065][ T10] ipv6_find_idev+0x102/0x170 [ 2458.830065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2458.830065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2458.830065][ T10] netlink_rcv_skb+0x130/0x360 [ 2458.830065][ T10] netlink_unicast+0x449/0x710 [ 2458.830065][ T10] netlink_sendmsg+0x723/0xbe0 [ 2458.830065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2458.830065][ T10] ___sys_sendmsg+0xee/0x170 [ 2458.830065][ T10] __sys_sendmsg+0xcd/0x170 [ 2458.830065][ T10] do_syscall_64+0xc6/0x1e0 [ 2458.830065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2458.830065][ T10] [ 2458.831800][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2458.831800][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2458.831800][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2458.831800][ T10] ipv6_find_idev+0x102/0x170 [ 2458.831800][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2458.831800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2458.831800][ T10] netlink_rcv_skb+0x130/0x360 [ 2458.831800][ T10] netlink_unicast+0x449/0x710 [ 2458.831800][ T10] netlink_sendmsg+0x723/0xbe0 [ 2458.831800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2458.831800][ T10] ___sys_sendmsg+0xee/0x170 [ 2458.831800][ T10] __sys_sendmsg+0xcd/0x170 [ 2458.831800][ T10] do_syscall_64+0xc6/0x1e0 [ 2458.831800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2458.831800][ T10] [ 2462.785074][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2462.785487][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2462.785487][ T1167] dst_init+0x84/0x4a0 [ 2462.785487][ T1167] dst_alloc+0x97/0x150 [ 2462.785487][ T1167] ip6_dst_alloc+0x23/0x90 [ 2462.785487][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2462.785487][ T1167] ip6_pol_route+0x56f/0x840 [ 2462.785487][ T1167] fib6_rule_lookup+0x334/0x630 [ 2462.785487][ T1167] ip6_route_output_flags+0x259/0x480 [ 2462.785487][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2462.785487][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2462.785487][ T1167] netlink_rcv_skb+0x130/0x360 [ 2462.785487][ T1167] netlink_unicast+0x449/0x710 [ 2462.785487][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2462.785487][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2462.785487][ T1167] ___sys_sendmsg+0xee/0x170 [ 2462.785487][ T1167] __sys_sendmsg+0xcd/0x170 [ 2462.785487][ T1167] do_syscall_64+0xc6/0x1e0 [ 2462.785487][ T1167] [ 2462.787705][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2462.787705][ T1167] netdev_get_by_index+0x5e/0x80 [ 2462.787705][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2462.787705][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2462.787705][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2462.787705][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2462.787705][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2462.787705][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2462.787705][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2462.787705][ T1167] addrconf_dad_begin+0x310/0x670 [ 2462.787705][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2462.787705][ T1167] process_one_work+0x84d/0x18a0 [ 2462.787705][ T1167] worker_thread+0x587/0xd30 [ 2462.787705][ T1167] kthread+0x28a/0x350 [ 2462.787705][ T1167] ret_from_fork+0x31/0x70 [ 2462.787705][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2462.787705][ T1167] [ 2462.789887][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2462.789887][ T1167] netdev_get_by_index+0x5e/0x80 [ 2462.789887][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2462.789887][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2462.789887][ T1167] ip6_route_add+0x1c/0x140 [ 2462.789887][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2462.789887][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2462.789887][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2462.789887][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.789887][ T1167] netlink_rcv_skb+0x130/0x360 [ 2462.789887][ T1167] netlink_unicast+0x449/0x710 [ 2462.789887][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2462.789887][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2462.789887][ T1167] ___sys_sendmsg+0xee/0x170 [ 2462.789887][ T1167] __sys_sendmsg+0xcd/0x170 [ 2462.789887][ T1167] do_syscall_64+0xc6/0x1e0 [ 2462.789887][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2462.789887][ T1167] [ 2462.792152][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2462.792152][ T1167] netdev_get_by_index+0x5e/0x80 [ 2462.792152][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2462.792152][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2462.792152][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2462.792152][ T1167] ipv6_add_addr+0x411/0x2000 [ 2462.792152][ T1167] inet6_addr_add+0x30e/0xa40 [ 2462.792152][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2462.792152][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.792152][ T1167] netlink_rcv_skb+0x130/0x360 [ 2462.792152][ T1167] netlink_unicast+0x449/0x710 [ 2462.792152][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2462.792152][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2462.792152][ T1167] ___sys_sendmsg+0xee/0x170 [ 2462.792152][ T1167] __sys_sendmsg+0xcd/0x170 [ 2462.792152][ T1167] do_syscall_64+0xc6/0x1e0 [ 2462.792152][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2462.792152][ T1167] [ 2462.794411][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2462.794411][ T1167] netdev_get_by_index+0x5e/0x80 [ 2462.794411][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2462.794411][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2462.794411][ T1167] ip6_route_add+0x1c/0x140 [ 2462.794411][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2462.794411][ T1167] addrconf_add_dev+0xe2/0x170 [ 2462.794411][ T1167] inet6_addr_add+0x12f/0xa40 [ 2462.794411][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2462.794411][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.794411][ T1167] netlink_rcv_skb+0x130/0x360 [ 2462.794411][ T1167] netlink_unicast+0x449/0x710 [ 2462.794411][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2462.794411][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2462.794411][ T1167] ___sys_sendmsg+0xee/0x170 [ 2462.794411][ T1167] __sys_sendmsg+0xcd/0x170 [ 2462.794411][ T1167] do_syscall_64+0xc6/0x1e0 [ 2462.794411][ T1167] [ 2462.796646][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2462.796646][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2462.796646][ T1167] ipv6_find_idev+0x102/0x170 [ 2462.796646][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2462.796646][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.796646][ T1167] netlink_rcv_skb+0x130/0x360 [ 2462.796646][ T1167] netlink_unicast+0x449/0x710 [ 2462.796646][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2462.796646][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2462.796646][ T1167] ___sys_sendmsg+0xee/0x170 [ 2462.796646][ T1167] __sys_sendmsg+0xcd/0x170 [ 2462.796646][ T1167] do_syscall_64+0xc6/0x1e0 [ 2462.796646][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2462.796646][ T1167] [ 2462.798394][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2462.798394][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2462.798394][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2462.798394][ T1167] ipv6_find_idev+0x102/0x170 [ 2462.798394][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2462.798394][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.798394][ T1167] netlink_rcv_skb+0x130/0x360 [ 2462.798394][ T1167] netlink_unicast+0x449/0x710 [ 2462.798394][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2462.798394][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2462.798394][ T1167] ___sys_sendmsg+0xee/0x170 [ 2462.798394][ T1167] __sys_sendmsg+0xcd/0x170 [ 2462.798394][ T1167] do_syscall_64+0xc6/0x1e0 [ 2462.798394][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2462.798394][ T1167] [ 2469.089078][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2469.089511][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2469.089511][ T10] netdev_get_by_index+0x5e/0x80 [ 2469.089511][ T10] fib6_nh_init+0x3d8/0x1580 [ 2469.089511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2469.089511][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2469.089511][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2469.089511][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2469.089511][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2469.089511][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2469.089511][ T10] addrconf_dad_begin+0x310/0x670 [ 2469.089511][ T10] addrconf_dad_work+0x10b/0xab0 [ 2469.089511][ T10] process_one_work+0x84d/0x18a0 [ 2469.089511][ T10] worker_thread+0x587/0xd30 [ 2469.089511][ T10] kthread+0x28a/0x350 [ 2469.089511][ T10] ret_from_fork+0x31/0x70 [ 2469.089511][ T10] ret_from_fork_asm+0x1a/0x30 [ 2469.089511][ T10] [ 2469.091543][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2469.091543][ T10] netdev_get_by_index+0x5e/0x80 [ 2469.091543][ T10] fib6_nh_init+0x3d8/0x1580 [ 2469.091543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2469.091543][ T10] ip6_route_add+0x1c/0x140 [ 2469.091543][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2469.091543][ T10] inet6_addr_add+0x4f8/0xa40 [ 2469.091543][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2469.091543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2469.091543][ T10] netlink_rcv_skb+0x130/0x360 [ 2469.091543][ T10] netlink_unicast+0x449/0x710 [ 2469.091543][ T10] netlink_sendmsg+0x723/0xbe0 [ 2469.091543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2469.091543][ T10] ___sys_sendmsg+0xee/0x170 [ 2469.091543][ T10] __sys_sendmsg+0xcd/0x170 [ 2469.091543][ T10] do_syscall_64+0xc6/0x1e0 [ 2469.091543][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2469.091543][ T10] [ 2469.093573][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2469.093573][ T10] netdev_get_by_index+0x5e/0x80 [ 2469.093573][ T10] fib6_nh_init+0x3d8/0x1580 [ 2469.093573][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2469.093573][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2469.093573][ T10] ipv6_add_addr+0x411/0x2000 [ 2469.093573][ T10] inet6_addr_add+0x30e/0xa40 [ 2469.093573][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2469.093573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2469.093573][ T10] netlink_rcv_skb+0x130/0x360 [ 2469.093573][ T10] netlink_unicast+0x449/0x710 [ 2469.093573][ T10] netlink_sendmsg+0x723/0xbe0 [ 2469.093573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2469.093573][ T10] ___sys_sendmsg+0xee/0x170 [ 2469.093573][ T10] __sys_sendmsg+0xcd/0x170 [ 2469.093573][ T10] do_syscall_64+0xc6/0x1e0 [ 2469.093573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2469.093573][ T10] [ 2469.095588][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2469.095588][ T10] netdev_get_by_index+0x5e/0x80 [ 2469.095588][ T10] fib6_nh_init+0x3d8/0x1580 [ 2469.095588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2469.095588][ T10] ip6_route_add+0x1c/0x140 [ 2469.095588][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2469.095588][ T10] addrconf_add_dev+0xe2/0x170 [ 2469.095588][ T10] inet6_addr_add+0x12f/0xa40 [ 2469.095588][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2469.095588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2469.095588][ T10] netlink_rcv_skb+0x130/0x360 [ 2469.095588][ T10] netlink_unicast+0x449/0x710 [ 2469.095588][ T10] netlink_sendmsg+0x723/0xbe0 [ 2469.095588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2469.095588][ T10] ___sys_sendmsg+0xee/0x170 [ 2469.095588][ T10] __sys_sendmsg+0xcd/0x170 [ 2469.095588][ T10] do_syscall_64+0xc6/0x1e0 [ 2469.095588][ T10] [ 2469.097576][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2469.097576][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2469.097576][ T10] ipv6_find_idev+0x102/0x170 [ 2469.097576][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2469.097576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2469.097576][ T10] netlink_rcv_skb+0x130/0x360 [ 2469.097576][ T10] netlink_unicast+0x449/0x710 [ 2469.097576][ T10] netlink_sendmsg+0x723/0xbe0 [ 2469.097576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2469.097576][ T10] ___sys_sendmsg+0xee/0x170 [ 2469.097576][ T10] __sys_sendmsg+0xcd/0x170 [ 2469.097576][ T10] do_syscall_64+0xc6/0x1e0 [ 2469.097576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2469.097576][ T10] [ 2469.099139][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2469.099139][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2469.099139][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2469.099139][ T10] ipv6_find_idev+0x102/0x170 [ 2469.099139][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2469.099139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2469.099139][ T10] netlink_rcv_skb+0x130/0x360 [ 2469.099139][ T10] netlink_unicast+0x449/0x710 [ 2469.099139][ T10] netlink_sendmsg+0x723/0xbe0 [ 2469.099139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2469.099139][ T10] ___sys_sendmsg+0xee/0x170 [ 2469.099139][ T10] __sys_sendmsg+0xcd/0x170 [ 2469.099139][ T10] do_syscall_64+0xc6/0x1e0 [ 2469.099139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2469.099139][ T10] [ 2469.100859][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2469.101129][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2469.101129][ T10] netdev_get_by_index+0x5e/0x80 [ 2469.101129][ T10] fib6_nh_init+0x3d8/0x1580 [ 2469.101129][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2469.101129][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2469.101129][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2469.101129][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2469.101129][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2469.101129][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2469.101129][ T10] addrconf_dad_begin+0x310/0x670 [ 2469.101129][ T10] addrconf_dad_work+0x10b/0xab0 [ 2469.101129][ T10] process_one_work+0x84d/0x18a0 [ 2469.101129][ T10] worker_thread+0x587/0xd30 [ 2469.101129][ T10] kthread+0x28a/0x350 [ 2469.101129][ T10] ret_from_fork+0x31/0x70 [ 2469.101129][ T10] ret_from_fork_asm+0x1a/0x30 [ 2469.101129][ T10] [ 2469.103054][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2469.103054][ T10] netdev_get_by_index+0x5e/0x80 [ 2469.103054][ T10] fib6_nh_init+0x3d8/0x1580 [ 2469.103054][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2469.103054][ T10] ip6_route_add+0x1c/0x140 [ 2469.103054][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2469.103054][ T10] inet6_addr_add+0x4f8/0xa40 [ 2469.103054][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2469.103054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2469.103054][ T10] netlink_rcv_skb+0x130/0x360 [ 2469.103054][ T10] netlink_unicast+0x449/0x710 [ 2469.103054][ T10] netlink_sendmsg+0x723/0xbe0 [ 2469.103054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2469.103054][ T10] ___sys_sendmsg+0xee/0x170 [ 2469.103054][ T10] __sys_sendmsg+0xcd/0x170 [ 2469.103054][ T10] do_syscall_64+0xc6/0x1e0 [ 2469.103054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2469.103054][ T10] [ 2469.105063][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2469.105063][ T10] netdev_get_by_index+0x5e/0x80 [ 2469.105063][ T10] fib6_nh_init+0x3d8/0x1580 [ 2469.105063][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2469.105063][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2469.105063][ T10] ipv6_add_addr+0x411/0x2000 [ 2469.105063][ T10] inet6_addr_add+0x30e/0xa40 [ 2469.105063][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2469.105063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2469.105063][ T10] netlink_rcv_skb+0x130/0x360 [ 2469.105063][ T10] netlink_unicast+0x449/0x710 [ 2469.105063][ T10] netlink_sendmsg+0x723/0xbe0 [ 2469.105063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2469.105063][ T10] ___sys_sendmsg+0xee/0x170 [ 2469.105063][ T10] __sys_sendmsg+0xcd/0x170 [ 2469.105063][ T10] do_syscall_64+0xc6/0x1e0 [ 2469.105063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2469.105063][ T10] [ 2469.107083][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2469.107083][ T10] netdev_get_by_index+0x5e/0x80 [ 2469.107083][ T10] fib6_nh_init+0x3d8/0x1580 [ 2469.107083][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2469.107083][ T10] ip6_route_add+0x1c/0x140 [ 2469.107083][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2469.107083][ T10] addrconf_add_dev+0xe2/0x170 [ 2469.107083][ T10] inet6_addr_add+0x12f/0xa40 [ 2469.107083][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2469.107083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2469.107083][ T10] netlink_rcv_skb+0x130/0x360 [ 2469.107083][ T10] netlink_unicast+0x449/0x710 [ 2469.107083][ T10] netlink_sendmsg+0x723/0xbe0 [ 2469.107083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2469.107083][ T10] ___sys_sendmsg+0xee/0x170 [ 2469.107083][ T10] __sys_sendmsg+0xcd/0x170 [ 2469.107083][ T10] do_syscall_64+0xc6/0x1e0 [ 2469.107083][ T10] [ 2469.109055][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2469.109055][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2469.109055][ T10] ipv6_find_idev+0x102/0x170 [ 2469.109055][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2469.109055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2469.109055][ T10] netlink_rcv_skb+0x130/0x360 [ 2469.109055][ T10] netlink_unicast+0x449/0x710 [ 2469.109055][ T10] netlink_sendmsg+0x723/0xbe0 [ 2469.109055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2469.109055][ T10] ___sys_sendmsg+0xee/0x170 [ 2469.109055][ T10] __sys_sendmsg+0xcd/0x170 [ 2469.109055][ T10] do_syscall_64+0xc6/0x1e0 [ 2469.109055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2469.109055][ T10] [ 2469.110621][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2469.110621][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2469.110621][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2469.110621][ T10] ipv6_find_idev+0x102/0x170 [ 2469.110621][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2469.110621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2469.110621][ T10] netlink_rcv_skb+0x130/0x360 [ 2469.110621][ T10] netlink_unicast+0x449/0x710 [ 2469.110621][ T10] netlink_sendmsg+0x723/0xbe0 [ 2469.110621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2469.110621][ T10] ___sys_sendmsg+0xee/0x170 [ 2469.110621][ T10] __sys_sendmsg+0xcd/0x170 [ 2469.110621][ T10] do_syscall_64+0xc6/0x1e0 [ 2469.110621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2469.110621][ T10] [ 2469.112461][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2469.112730][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2469.112730][ T10] netdev_get_by_index+0x5e/0x80 [ 2469.112730][ T10] fib6_nh_init+0x3d8/0x1580 [ 2469.112730][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2469.112730][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2469.112730][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2469.112730][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2469.112730][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2469.112730][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2469.112730][ T10] addrconf_dad_begin+0x310/0x670 [ 2469.112730][ T10] addrconf_dad_work+0x10b/0xab0 [ 2469.112730][ T10] process_one_work+0x84d/0x18a0 [ 2469.112730][ T10] worker_thread+0x587/0xd30 [ 2469.112730][ T10] kthread+0x28a/0x350 [ 2469.112730][ T10] ret_from_fork+0x31/0x70 [ 2469.112730][ T10] ret_from_fork_asm+0x1a/0x30 [ 2469.112730][ T10] [ 2469.114826][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2469.114826][ T10] netdev_get_by_index+0x5e/0x80 [ 2469.114826][ T10] fib6_nh_init+0x3d8/0x1580 [ 2469.114826][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2469.114826][ T10] ip6_route_add+0x1c/0x140 [ 2469.114826][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2469.114826][ T10] inet6_addr_add+0x4f8/0xa40 [ 2469.114826][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2469.114826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2469.114826][ T10] netlink_rcv_skb+0x130/0x360 [ 2469.114826][ T10] netlink_unicast+0x449/0x710 [ 2469.114826][ T10] netlink_sendmsg+0x723/0xbe0 [ 2469.114826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2469.114826][ T10] ___sys_sendmsg+0xee/0x170 [ 2469.114826][ T10] __sys_sendmsg+0xcd/0x170 [ 2469.114826][ T10] do_syscall_64+0xc6/0x1e0 [ 2469.114826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2469.114826][ T10] [ 2469.117184][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2469.117184][ T10] netdev_get_by_index+0x5e/0x80 [ 2469.117184][ T10] fib6_nh_init+0x3d8/0x1580 [ 2469.117184][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2469.117184][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2469.117184][ T10] ipv6_add_addr+0x411/0x2000 [ 2469.117184][ T10] inet6_addr_add+0x30e/0xa40 [ 2469.117184][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2469.117184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2469.117184][ T10] netlink_rcv_skb+0x130/0x360 [ 2469.117184][ T10] netlink_unicast+0x449/0x710 [ 2469.117184][ T10] netlink_sendmsg+0x723/0xbe0 [ 2469.117184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2469.117184][ T10] ___sys_sendmsg+0xee/0x170 [ 2469.117184][ T10] __sys_sendmsg+0xcd/0x170 [ 2469.117184][ T10] do_syscall_64+0xc6/0x1e0 [ 2469.117184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2469.117184][ T10] [ 2469.119527][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2469.119527][ T10] netdev_get_by_index+0x5e/0x80 [ 2469.119527][ T10] fib6_nh_init+0x3d8/0x1580 [ 2469.119527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2469.119527][ T10] ip6_route_add+0x1c/0x140 [ 2469.119527][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2469.119527][ T10] addrconf_add_dev+0xe2/0x170 [ 2469.119527][ T10] inet6_addr_add+0x12f/0xa40 [ 2469.119527][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2469.119527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2469.119527][ T10] netlink_rcv_skb+0x130/0x360 [ 2469.119527][ T10] netlink_unicast+0x449/0x710 [ 2469.119527][ T10] netlink_sendmsg+0x723/0xbe0 [ 2469.119527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2469.119527][ T10] ___sys_sendmsg+0xee/0x170 [ 2469.119527][ T10] __sys_sendmsg+0xcd/0x170 [ 2469.119527][ T10] do_syscall_64+0xc6/0x1e0 [ 2469.119527][ T10] [ 2469.121828][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2469.121828][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2469.121828][ T10] ipv6_find_idev+0x102/0x170 [ 2469.121828][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2469.121828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2469.121828][ T10] netlink_rcv_skb+0x130/0x360 [ 2469.121828][ T10] netlink_unicast+0x449/0x710 [ 2469.121828][ T10] netlink_sendmsg+0x723/0xbe0 [ 2469.121828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2469.121828][ T10] ___sys_sendmsg+0xee/0x170 [ 2469.121828][ T10] __sys_sendmsg+0xcd/0x170 [ 2469.121828][ T10] do_syscall_64+0xc6/0x1e0 [ 2469.121828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2469.121828][ T10] [ 2469.123709][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2469.123709][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2469.123709][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2469.123709][ T10] ipv6_find_idev+0x102/0x170 [ 2469.123709][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2469.123709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2469.123709][ T10] netlink_rcv_skb+0x130/0x360 [ 2469.123709][ T10] netlink_unicast+0x449/0x710 [ 2469.123709][ T10] netlink_sendmsg+0x723/0xbe0 [ 2469.123709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2469.123709][ T10] ___sys_sendmsg+0xee/0x170 [ 2469.123709][ T10] __sys_sendmsg+0xcd/0x170 [ 2469.123709][ T10] do_syscall_64+0xc6/0x1e0 [ 2469.123709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2469.123709][ T10] [ 2469.125722][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2469.125978][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2469.125978][ T10] netdev_get_by_index+0x5e/0x80 [ 2469.125978][ T10] fib6_nh_init+0x3d8/0x1580 [ 2469.125978][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2469.125978][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2469.125978][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2469.125978][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2469.125978][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2469.125978][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2469.125978][ T10] addrconf_dad_begin+0x310/0x670 [ 2469.125978][ T10] addrconf_dad_work+0x10b/0xab0 [ 2469.125978][ T10] process_one_work+0x84d/0x18a0 [ 2469.125978][ T10] worker_thread+0x587/0xd30 [ 2469.125978][ T10] kthread+0x28a/0x350 [ 2469.125978][ T10] ret_from_fork+0x31/0x70 [ 2469.125978][ T10] ret_from_fork_asm+0x1a/0x30 [ 2469.125978][ T10] [ 2469.128319][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2469.128319][ T10] netdev_get_by_index+0x5e/0x80 [ 2469.128319][ T10] fib6_nh_init+0x3d8/0x1580 [ 2469.128319][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2469.128319][ T10] ip6_route_add+0x1c/0x140 [ 2469.128319][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2469.128319][ T10] inet6_addr_add+0x4f8/0xa40 [ 2469.128319][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2469.128319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2469.128319][ T10] netlink_rcv_skb+0x130/0x360 [ 2469.128319][ T10] netlink_unicast+0x449/0x710 [ 2469.128319][ T10] netlink_sendmsg+0x723/0xbe0 [ 2469.128319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2469.128319][ T10] ___sys_sendmsg+0xee/0x170 [ 2469.128319][ T10] __sys_sendmsg+0xcd/0x170 [ 2469.128319][ T10] do_syscall_64+0xc6/0x1e0 [ 2469.128319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2469.128319][ T10] [ 2469.130764][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2469.130764][ T10] netdev_get_by_index+0x5e/0x80 [ 2469.130764][ T10] fib6_nh_init+0x3d8/0x1580 [ 2469.130764][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2469.130764][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2469.130764][ T10] ipv6_add_addr+0x411/0x2000 [ 2469.130764][ T10] inet6_addr_add+0x30e/0xa40 [ 2469.130764][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2469.130764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2469.130764][ T10] netlink_rcv_skb+0x130/0x360 [ 2469.130764][ T10] netlink_unicast+0x449/0x710 [ 2469.130764][ T10] netlink_sendmsg+0x723/0xbe0 [ 2469.130764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2469.130764][ T10] ___sys_sendmsg+0xee/0x170 [ 2469.130764][ T10] __sys_sendmsg+0xcd/0x170 [ 2469.130764][ T10] do_syscall_64+0xc6/0x1e0 [ 2469.130764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2469.130764][ T10] [ 2469.133053][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2469.133053][ T10] netdev_get_by_index+0x5e/0x80 [ 2469.133053][ T10] fib6_nh_init+0x3d8/0x1580 [ 2469.133053][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2469.133053][ T10] ip6_route_add+0x1c/0x140 [ 2469.133053][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2469.133053][ T10] addrconf_add_dev+0xe2/0x170 [ 2469.133053][ T10] inet6_addr_add+0x12f/0xa40 [ 2469.133053][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2469.133053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2469.133053][ T10] netlink_rcv_skb+0x130/0x360 [ 2469.133053][ T10] netlink_unicast+0x449/0x710 [ 2469.133053][ T10] netlink_sendmsg+0x723/0xbe0 [ 2469.133053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2469.133053][ T10] ___sys_sendmsg+0xee/0x170 [ 2469.133053][ T10] __sys_sendmsg+0xcd/0x170 [ 2469.133053][ T10] do_syscall_64+0xc6/0x1e0 [ 2469.133053][ T10] [ 2469.135226][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2469.135226][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2469.135226][ T10] ipv6_find_idev+0x102/0x170 [ 2469.135226][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2469.135226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2469.135226][ T10] netlink_rcv_skb+0x130/0x360 [ 2469.135226][ T10] netlink_unicast+0x449/0x710 [ 2469.135226][ T10] netlink_sendmsg+0x723/0xbe0 [ 2469.135226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2469.135226][ T10] ___sys_sendmsg+0xee/0x170 [ 2469.135226][ T10] __sys_sendmsg+0xcd/0x170 [ 2469.135226][ T10] do_syscall_64+0xc6/0x1e0 [ 2469.135226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2469.135226][ T10] [ 2469.136978][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2469.136978][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2469.136978][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2469.136978][ T10] ipv6_find_idev+0x102/0x170 [ 2469.136978][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2469.136978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2469.136978][ T10] netlink_rcv_skb+0x130/0x360 [ 2469.136978][ T10] netlink_unicast+0x449/0x710 [ 2469.136978][ T10] netlink_sendmsg+0x723/0xbe0 [ 2469.136978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2469.136978][ T10] ___sys_sendmsg+0xee/0x170 [ 2469.136978][ T10] __sys_sendmsg+0xcd/0x170 [ 2469.136978][ T10] do_syscall_64+0xc6/0x1e0 [ 2469.136978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2469.136978][ T10] [ 2472.857048][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2472.857539][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2472.857539][ T1167] dst_init+0x84/0x4a0 [ 2472.857539][ T1167] dst_alloc+0x97/0x150 [ 2472.857539][ T1167] ip6_dst_alloc+0x23/0x90 [ 2472.857539][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2472.857539][ T1167] ip6_pol_route+0x56f/0x840 [ 2472.857539][ T1167] fib6_rule_lookup+0x334/0x630 [ 2472.857539][ T1167] ip6_route_output_flags+0x259/0x480 [ 2472.857539][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2472.857539][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2472.857539][ T1167] netlink_rcv_skb+0x130/0x360 [ 2472.857539][ T1167] netlink_unicast+0x449/0x710 [ 2472.857539][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2472.857539][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2472.857539][ T1167] ___sys_sendmsg+0xee/0x170 [ 2472.857539][ T1167] __sys_sendmsg+0xcd/0x170 [ 2472.857539][ T1167] do_syscall_64+0xc6/0x1e0 [ 2472.857539][ T1167] [ 2472.859747][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2472.859747][ T1167] netdev_get_by_index+0x5e/0x80 [ 2472.859747][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2472.859747][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2472.859747][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2472.859747][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2472.859747][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2472.859747][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2472.859747][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2472.859747][ T1167] addrconf_dad_begin+0x310/0x670 [ 2472.859747][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2472.859747][ T1167] process_one_work+0x84d/0x18a0 [ 2472.859747][ T1167] worker_thread+0x587/0xd30 [ 2472.859747][ T1167] kthread+0x28a/0x350 [ 2472.859747][ T1167] ret_from_fork+0x31/0x70 [ 2472.859747][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2472.859747][ T1167] [ 2472.861903][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2472.861903][ T1167] netdev_get_by_index+0x5e/0x80 [ 2472.861903][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2472.861903][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2472.861903][ T1167] ip6_route_add+0x1c/0x140 [ 2472.861903][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2472.861903][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2472.861903][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2472.861903][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.861903][ T1167] netlink_rcv_skb+0x130/0x360 [ 2472.861903][ T1167] netlink_unicast+0x449/0x710 [ 2472.861903][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2472.861903][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2472.861903][ T1167] ___sys_sendmsg+0xee/0x170 [ 2472.861903][ T1167] __sys_sendmsg+0xcd/0x170 [ 2472.861903][ T1167] do_syscall_64+0xc6/0x1e0 [ 2472.861903][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.861903][ T1167] [ 2472.864157][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2472.864157][ T1167] netdev_get_by_index+0x5e/0x80 [ 2472.864157][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2472.864157][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2472.864157][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2472.864157][ T1167] ipv6_add_addr+0x411/0x2000 [ 2472.864157][ T1167] inet6_addr_add+0x30e/0xa40 [ 2472.864157][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2472.864157][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.864157][ T1167] netlink_rcv_skb+0x130/0x360 [ 2472.864157][ T1167] netlink_unicast+0x449/0x710 [ 2472.864157][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2472.864157][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2472.864157][ T1167] ___sys_sendmsg+0xee/0x170 [ 2472.864157][ T1167] __sys_sendmsg+0xcd/0x170 [ 2472.864157][ T1167] do_syscall_64+0xc6/0x1e0 [ 2472.864157][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.864157][ T1167] [ 2472.866415][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2472.866415][ T1167] netdev_get_by_index+0x5e/0x80 [ 2472.866415][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2472.866415][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2472.866415][ T1167] ip6_route_add+0x1c/0x140 [ 2472.866415][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2472.866415][ T1167] addrconf_add_dev+0xe2/0x170 [ 2472.866415][ T1167] inet6_addr_add+0x12f/0xa40 [ 2472.866415][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2472.866415][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.866415][ T1167] netlink_rcv_skb+0x130/0x360 [ 2472.866415][ T1167] netlink_unicast+0x449/0x710 [ 2472.866415][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2472.866415][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2472.866415][ T1167] ___sys_sendmsg+0xee/0x170 [ 2472.866415][ T1167] __sys_sendmsg+0xcd/0x170 [ 2472.866415][ T1167] do_syscall_64+0xc6/0x1e0 [ 2472.866415][ T1167] [ 2472.868623][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2472.868623][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2472.868623][ T1167] ipv6_find_idev+0x102/0x170 [ 2472.868623][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2472.868623][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.868623][ T1167] netlink_rcv_skb+0x130/0x360 [ 2472.868623][ T1167] netlink_unicast+0x449/0x710 [ 2472.868623][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2472.868623][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2472.868623][ T1167] ___sys_sendmsg+0xee/0x170 [ 2472.868623][ T1167] __sys_sendmsg+0xcd/0x170 [ 2472.868623][ T1167] do_syscall_64+0xc6/0x1e0 [ 2472.868623][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.868623][ T1167] [ 2472.870770][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2472.870770][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2472.870770][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2472.870770][ T1167] ipv6_find_idev+0x102/0x170 [ 2472.870770][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2472.870770][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.870770][ T1167] netlink_rcv_skb+0x130/0x360 [ 2472.870770][ T1167] netlink_unicast+0x449/0x710 [ 2472.870770][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2472.870770][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2472.870770][ T1167] ___sys_sendmsg+0xee/0x170 [ 2472.870770][ T1167] __sys_sendmsg+0xcd/0x170 [ 2472.870770][ T1167] do_syscall_64+0xc6/0x1e0 [ 2472.870770][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.870770][ T1167] [ 2479.393143][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2479.393513][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2479.393513][ T10] netdev_get_by_index+0x5e/0x80 [ 2479.393513][ T10] fib6_nh_init+0x3d8/0x1580 [ 2479.393513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2479.393513][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2479.393513][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2479.393513][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2479.393513][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2479.393513][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2479.393513][ T10] addrconf_dad_begin+0x310/0x670 [ 2479.393513][ T10] addrconf_dad_work+0x10b/0xab0 [ 2479.393513][ T10] process_one_work+0x84d/0x18a0 [ 2479.393513][ T10] worker_thread+0x587/0xd30 [ 2479.393513][ T10] kthread+0x28a/0x350 [ 2479.393513][ T10] ret_from_fork+0x31/0x70 [ 2479.393513][ T10] ret_from_fork_asm+0x1a/0x30 [ 2479.393513][ T10] [ 2479.395479][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2479.395479][ T10] netdev_get_by_index+0x5e/0x80 [ 2479.395479][ T10] fib6_nh_init+0x3d8/0x1580 [ 2479.395479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2479.395479][ T10] ip6_route_add+0x1c/0x140 [ 2479.395479][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2479.395479][ T10] inet6_addr_add+0x4f8/0xa40 [ 2479.395479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2479.395479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2479.395479][ T10] netlink_rcv_skb+0x130/0x360 [ 2479.395479][ T10] netlink_unicast+0x449/0x710 [ 2479.395479][ T10] netlink_sendmsg+0x723/0xbe0 [ 2479.395479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2479.395479][ T10] ___sys_sendmsg+0xee/0x170 [ 2479.395479][ T10] __sys_sendmsg+0xcd/0x170 [ 2479.395479][ T10] do_syscall_64+0xc6/0x1e0 [ 2479.395479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2479.395479][ T10] [ 2479.397514][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2479.397514][ T10] netdev_get_by_index+0x5e/0x80 [ 2479.397514][ T10] fib6_nh_init+0x3d8/0x1580 [ 2479.397514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2479.397514][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2479.397514][ T10] ipv6_add_addr+0x411/0x2000 [ 2479.397514][ T10] inet6_addr_add+0x30e/0xa40 [ 2479.397514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2479.397514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2479.397514][ T10] netlink_rcv_skb+0x130/0x360 [ 2479.397514][ T10] netlink_unicast+0x449/0x710 [ 2479.397514][ T10] netlink_sendmsg+0x723/0xbe0 [ 2479.397514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2479.397514][ T10] ___sys_sendmsg+0xee/0x170 [ 2479.397514][ T10] __sys_sendmsg+0xcd/0x170 [ 2479.397514][ T10] do_syscall_64+0xc6/0x1e0 [ 2479.397514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2479.397514][ T10] [ 2479.399529][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2479.399529][ T10] netdev_get_by_index+0x5e/0x80 [ 2479.399529][ T10] fib6_nh_init+0x3d8/0x1580 [ 2479.399529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2479.399529][ T10] ip6_route_add+0x1c/0x140 [ 2479.399529][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2479.399529][ T10] addrconf_add_dev+0xe2/0x170 [ 2479.399529][ T10] inet6_addr_add+0x12f/0xa40 [ 2479.399529][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2479.399529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2479.399529][ T10] netlink_rcv_skb+0x130/0x360 [ 2479.399529][ T10] netlink_unicast+0x449/0x710 [ 2479.399529][ T10] netlink_sendmsg+0x723/0xbe0 [ 2479.399529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2479.399529][ T10] ___sys_sendmsg+0xee/0x170 [ 2479.399529][ T10] __sys_sendmsg+0xcd/0x170 [ 2479.399529][ T10] do_syscall_64+0xc6/0x1e0 [ 2479.399529][ T10] [ 2479.401524][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2479.401524][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2479.401524][ T10] ipv6_find_idev+0x102/0x170 [ 2479.401524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2479.401524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2479.401524][ T10] netlink_rcv_skb+0x130/0x360 [ 2479.401524][ T10] netlink_unicast+0x449/0x710 [ 2479.401524][ T10] netlink_sendmsg+0x723/0xbe0 [ 2479.401524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2479.401524][ T10] ___sys_sendmsg+0xee/0x170 [ 2479.401524][ T10] __sys_sendmsg+0xcd/0x170 [ 2479.401524][ T10] do_syscall_64+0xc6/0x1e0 [ 2479.401524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2479.401524][ T10] [ 2479.403073][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2479.403073][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2479.403073][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2479.403073][ T10] ipv6_find_idev+0x102/0x170 [ 2479.403073][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2479.403073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2479.403073][ T10] netlink_rcv_skb+0x130/0x360 [ 2479.403073][ T10] netlink_unicast+0x449/0x710 [ 2479.403073][ T10] netlink_sendmsg+0x723/0xbe0 [ 2479.403073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2479.403073][ T10] ___sys_sendmsg+0xee/0x170 [ 2479.403073][ T10] __sys_sendmsg+0xcd/0x170 [ 2479.403073][ T10] do_syscall_64+0xc6/0x1e0 [ 2479.403073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2479.403073][ T10] [ 2479.404788][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2479.405037][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2479.405037][ T10] netdev_get_by_index+0x5e/0x80 [ 2479.405037][ T10] fib6_nh_init+0x3d8/0x1580 [ 2479.405037][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2479.405037][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2479.405037][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2479.405037][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2479.405037][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2479.405037][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2479.405037][ T10] addrconf_dad_begin+0x310/0x670 [ 2479.405037][ T10] addrconf_dad_work+0x10b/0xab0 [ 2479.405037][ T10] process_one_work+0x84d/0x18a0 [ 2479.405037][ T10] worker_thread+0x587/0xd30 [ 2479.405037][ T10] kthread+0x28a/0x350 [ 2479.405037][ T10] ret_from_fork+0x31/0x70 [ 2479.405037][ T10] ret_from_fork_asm+0x1a/0x30 [ 2479.405037][ T10] [ 2479.406983][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2479.406983][ T10] netdev_get_by_index+0x5e/0x80 [ 2479.406983][ T10] fib6_nh_init+0x3d8/0x1580 [ 2479.406983][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2479.406983][ T10] ip6_route_add+0x1c/0x140 [ 2479.406983][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2479.406983][ T10] inet6_addr_add+0x4f8/0xa40 [ 2479.406983][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2479.406983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2479.406983][ T10] netlink_rcv_skb+0x130/0x360 [ 2479.406983][ T10] netlink_unicast+0x449/0x710 [ 2479.406983][ T10] netlink_sendmsg+0x723/0xbe0 [ 2479.406983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2479.406983][ T10] ___sys_sendmsg+0xee/0x170 [ 2479.406983][ T10] __sys_sendmsg+0xcd/0x170 [ 2479.406983][ T10] do_syscall_64+0xc6/0x1e0 [ 2479.406983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2479.406983][ T10] [ 2479.409043][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2479.409043][ T10] netdev_get_by_index+0x5e/0x80 [ 2479.409043][ T10] fib6_nh_init+0x3d8/0x1580 [ 2479.409043][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2479.409043][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2479.409043][ T10] ipv6_add_addr+0x411/0x2000 [ 2479.409043][ T10] inet6_addr_add+0x30e/0xa40 [ 2479.409043][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2479.409043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2479.409043][ T10] netlink_rcv_skb+0x130/0x360 [ 2479.409043][ T10] netlink_unicast+0x449/0x710 [ 2479.409043][ T10] netlink_sendmsg+0x723/0xbe0 [ 2479.409043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2479.409043][ T10] ___sys_sendmsg+0xee/0x170 [ 2479.409043][ T10] __sys_sendmsg+0xcd/0x170 [ 2479.409043][ T10] do_syscall_64+0xc6/0x1e0 [ 2479.409043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2479.409043][ T10] [ 2479.411067][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2479.411067][ T10] netdev_get_by_index+0x5e/0x80 [ 2479.411067][ T10] fib6_nh_init+0x3d8/0x1580 [ 2479.411067][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2479.411067][ T10] ip6_route_add+0x1c/0x140 [ 2479.411067][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2479.411067][ T10] addrconf_add_dev+0xe2/0x170 [ 2479.411067][ T10] inet6_addr_add+0x12f/0xa40 [ 2479.411067][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2479.411067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2479.411067][ T10] netlink_rcv_skb+0x130/0x360 [ 2479.411067][ T10] netlink_unicast+0x449/0x710 [ 2479.411067][ T10] netlink_sendmsg+0x723/0xbe0 [ 2479.411067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2479.411067][ T10] ___sys_sendmsg+0xee/0x170 [ 2479.411067][ T10] __sys_sendmsg+0xcd/0x170 [ 2479.411067][ T10] do_syscall_64+0xc6/0x1e0 [ 2479.411067][ T10] [ 2479.413042][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2479.413042][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2479.413042][ T10] ipv6_find_idev+0x102/0x170 [ 2479.413042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2479.413042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2479.413042][ T10] netlink_rcv_skb+0x130/0x360 [ 2479.413042][ T10] netlink_unicast+0x449/0x710 [ 2479.413042][ T10] netlink_sendmsg+0x723/0xbe0 [ 2479.413042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2479.413042][ T10] ___sys_sendmsg+0xee/0x170 [ 2479.413042][ T10] __sys_sendmsg+0xcd/0x170 [ 2479.413042][ T10] do_syscall_64+0xc6/0x1e0 [ 2479.413042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2479.413042][ T10] [ 2479.414604][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2479.414604][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2479.414604][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2479.414604][ T10] ipv6_find_idev+0x102/0x170 [ 2479.414604][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2479.414604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2479.414604][ T10] netlink_rcv_skb+0x130/0x360 [ 2479.414604][ T10] netlink_unicast+0x449/0x710 [ 2479.414604][ T10] netlink_sendmsg+0x723/0xbe0 [ 2479.414604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2479.414604][ T10] ___sys_sendmsg+0xee/0x170 [ 2479.414604][ T10] __sys_sendmsg+0xcd/0x170 [ 2479.414604][ T10] do_syscall_64+0xc6/0x1e0 [ 2479.414604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2479.414604][ T10] [ 2479.416331][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2479.416602][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2479.416602][ T10] netdev_get_by_index+0x5e/0x80 [ 2479.416602][ T10] fib6_nh_init+0x3d8/0x1580 [ 2479.416602][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2479.416602][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2479.416602][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2479.416602][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2479.416602][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2479.416602][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2479.416602][ T10] addrconf_dad_begin+0x310/0x670 [ 2479.416602][ T10] addrconf_dad_work+0x10b/0xab0 [ 2479.416602][ T10] process_one_work+0x84d/0x18a0 [ 2479.416602][ T10] worker_thread+0x587/0xd30 [ 2479.416602][ T10] kthread+0x28a/0x350 [ 2479.416602][ T10] ret_from_fork+0x31/0x70 [ 2479.416602][ T10] ret_from_fork_asm+0x1a/0x30 [ 2479.416602][ T10] [ 2479.418537][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2479.418537][ T10] netdev_get_by_index+0x5e/0x80 [ 2479.418537][ T10] fib6_nh_init+0x3d8/0x1580 [ 2479.418537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2479.418537][ T10] ip6_route_add+0x1c/0x140 [ 2479.418537][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2479.418537][ T10] inet6_addr_add+0x4f8/0xa40 [ 2479.418537][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2479.418537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2479.418537][ T10] netlink_rcv_skb+0x130/0x360 [ 2479.418537][ T10] netlink_unicast+0x449/0x710 [ 2479.418537][ T10] netlink_sendmsg+0x723/0xbe0 [ 2479.418537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2479.418537][ T10] ___sys_sendmsg+0xee/0x170 [ 2479.418537][ T10] __sys_sendmsg+0xcd/0x170 [ 2479.418537][ T10] do_syscall_64+0xc6/0x1e0 [ 2479.418537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2479.418537][ T10] [ 2479.420739][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2479.420739][ T10] netdev_get_by_index+0x5e/0x80 [ 2479.420739][ T10] fib6_nh_init+0x3d8/0x1580 [ 2479.420739][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2479.420739][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2479.420739][ T10] ipv6_add_addr+0x411/0x2000 [ 2479.420739][ T10] inet6_addr_add+0x30e/0xa40 [ 2479.420739][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2479.420739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2479.420739][ T10] netlink_rcv_skb+0x130/0x360 [ 2479.420739][ T10] netlink_unicast+0x449/0x710 [ 2479.420739][ T10] netlink_sendmsg+0x723/0xbe0 [ 2479.420739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2479.420739][ T10] ___sys_sendmsg+0xee/0x170 [ 2479.420739][ T10] __sys_sendmsg+0xcd/0x170 [ 2479.420739][ T10] do_syscall_64+0xc6/0x1e0 [ 2479.420739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2479.420739][ T10] [ 2479.422990][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2479.422990][ T10] netdev_get_by_index+0x5e/0x80 [ 2479.422990][ T10] fib6_nh_init+0x3d8/0x1580 [ 2479.422990][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2479.422990][ T10] ip6_route_add+0x1c/0x140 [ 2479.422990][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2479.422990][ T10] addrconf_add_dev+0xe2/0x170 [ 2479.422990][ T10] inet6_addr_add+0x12f/0xa40 [ 2479.422990][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2479.422990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2479.422990][ T10] netlink_rcv_skb+0x130/0x360 [ 2479.422990][ T10] netlink_unicast+0x449/0x710 [ 2479.422990][ T10] netlink_sendmsg+0x723/0xbe0 [ 2479.422990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2479.422990][ T10] ___sys_sendmsg+0xee/0x170 [ 2479.422990][ T10] __sys_sendmsg+0xcd/0x170 [ 2479.422990][ T10] do_syscall_64+0xc6/0x1e0 [ 2479.422990][ T10] [ 2479.425212][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2479.425212][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2479.425212][ T10] ipv6_find_idev+0x102/0x170 [ 2479.425212][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2479.425212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2479.425212][ T10] netlink_rcv_skb+0x130/0x360 [ 2479.425212][ T10] netlink_unicast+0x449/0x710 [ 2479.425212][ T10] netlink_sendmsg+0x723/0xbe0 [ 2479.425212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2479.425212][ T10] ___sys_sendmsg+0xee/0x170 [ 2479.425212][ T10] __sys_sendmsg+0xcd/0x170 [ 2479.425212][ T10] do_syscall_64+0xc6/0x1e0 [ 2479.425212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2479.425212][ T10] [ 2479.426954][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2479.426954][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2479.426954][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2479.426954][ T10] ipv6_find_idev+0x102/0x170 [ 2479.426954][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2479.426954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2479.426954][ T10] netlink_rcv_skb+0x130/0x360 [ 2479.426954][ T10] netlink_unicast+0x449/0x710 [ 2479.426954][ T10] netlink_sendmsg+0x723/0xbe0 [ 2479.426954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2479.426954][ T10] ___sys_sendmsg+0xee/0x170 [ 2479.426954][ T10] __sys_sendmsg+0xcd/0x170 [ 2479.426954][ T10] do_syscall_64+0xc6/0x1e0 [ 2479.426954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2479.426954][ T10] [ 2479.428857][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2479.429543][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2479.429543][ T10] netdev_get_by_index+0x5e/0x80 [ 2479.429543][ T10] fib6_nh_init+0x3d8/0x1580 [ 2479.429543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2479.429543][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2479.429543][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2479.429543][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2479.429543][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2479.429543][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2479.429543][ T10] addrconf_dad_begin+0x310/0x670 [ 2479.429543][ T10] addrconf_dad_work+0x10b/0xab0 [ 2479.429543][ T10] process_one_work+0x84d/0x18a0 [ 2479.429543][ T10] worker_thread+0x587/0xd30 [ 2479.429543][ T10] kthread+0x28a/0x350 [ 2479.429543][ T10] ret_from_fork+0x31/0x70 [ 2479.429543][ T10] ret_from_fork_asm+0x1a/0x30 [ 2479.429543][ T10] [ 2479.431466][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2479.431466][ T10] netdev_get_by_index+0x5e/0x80 [ 2479.431466][ T10] fib6_nh_init+0x3d8/0x1580 [ 2479.431466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2479.431466][ T10] ip6_route_add+0x1c/0x140 [ 2479.431466][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2479.431466][ T10] inet6_addr_add+0x4f8/0xa40 [ 2479.431466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2479.431466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2479.431466][ T10] netlink_rcv_skb+0x130/0x360 [ 2479.431466][ T10] netlink_unicast+0x449/0x710 [ 2479.431466][ T10] netlink_sendmsg+0x723/0xbe0 [ 2479.431466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2479.431466][ T10] ___sys_sendmsg+0xee/0x170 [ 2479.431466][ T10] __sys_sendmsg+0xcd/0x170 [ 2479.431466][ T10] do_syscall_64+0xc6/0x1e0 [ 2479.431466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2479.431466][ T10] [ 2479.433659][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2479.433659][ T10] netdev_get_by_index+0x5e/0x80 [ 2479.433659][ T10] fib6_nh_init+0x3d8/0x1580 [ 2479.433659][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2479.433659][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2479.433659][ T10] ipv6_add_addr+0x411/0x2000 [ 2479.433659][ T10] inet6_addr_add+0x30e/0xa40 [ 2479.433659][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2479.433659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2479.433659][ T10] netlink_rcv_skb+0x130/0x360 [ 2479.433659][ T10] netlink_unicast+0x449/0x710 [ 2479.433659][ T10] netlink_sendmsg+0x723/0xbe0 [ 2479.433659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2479.433659][ T10] ___sys_sendmsg+0xee/0x170 [ 2479.433659][ T10] __sys_sendmsg+0xcd/0x170 [ 2479.433659][ T10] do_syscall_64+0xc6/0x1e0 [ 2479.433659][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2479.433659][ T10] [ 2479.435913][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2479.435913][ T10] netdev_get_by_index+0x5e/0x80 [ 2479.435913][ T10] fib6_nh_init+0x3d8/0x1580 [ 2479.435913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2479.435913][ T10] ip6_route_add+0x1c/0x140 [ 2479.435913][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2479.435913][ T10] addrconf_add_dev+0xe2/0x170 [ 2479.435913][ T10] inet6_addr_add+0x12f/0xa40 [ 2479.435913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2479.435913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2479.435913][ T10] netlink_rcv_skb+0x130/0x360 [ 2479.435913][ T10] netlink_unicast+0x449/0x710 [ 2479.435913][ T10] netlink_sendmsg+0x723/0xbe0 [ 2479.435913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2479.435913][ T10] ___sys_sendmsg+0xee/0x170 [ 2479.435913][ T10] __sys_sendmsg+0xcd/0x170 [ 2479.435913][ T10] do_syscall_64+0xc6/0x1e0 [ 2479.435913][ T10] [ 2479.438145][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2479.438145][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2479.438145][ T10] ipv6_find_idev+0x102/0x170 [ 2479.438145][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2479.438145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2479.438145][ T10] netlink_rcv_skb+0x130/0x360 [ 2479.438145][ T10] netlink_unicast+0x449/0x710 [ 2479.438145][ T10] netlink_sendmsg+0x723/0xbe0 [ 2479.438145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2479.438145][ T10] ___sys_sendmsg+0xee/0x170 [ 2479.438145][ T10] __sys_sendmsg+0xcd/0x170 [ 2479.438145][ T10] do_syscall_64+0xc6/0x1e0 [ 2479.438145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2479.438145][ T10] [ 2479.439899][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2479.439899][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2479.439899][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2479.439899][ T10] ipv6_find_idev+0x102/0x170 [ 2479.439899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2479.439899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2479.439899][ T10] netlink_rcv_skb+0x130/0x360 [ 2479.439899][ T10] netlink_unicast+0x449/0x710 [ 2479.439899][ T10] netlink_sendmsg+0x723/0xbe0 [ 2479.439899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2479.439899][ T10] ___sys_sendmsg+0xee/0x170 [ 2479.439899][ T10] __sys_sendmsg+0xcd/0x170 [ 2479.439899][ T10] do_syscall_64+0xc6/0x1e0 [ 2479.439899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2479.439899][ T10] [ 2483.113071][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2483.113545][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2483.113545][ T1167] dst_init+0x84/0x4a0 [ 2483.113545][ T1167] dst_alloc+0x97/0x150 [ 2483.113545][ T1167] ip6_dst_alloc+0x23/0x90 [ 2483.113545][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2483.113545][ T1167] ip6_pol_route+0x56f/0x840 [ 2483.113545][ T1167] fib6_rule_lookup+0x334/0x630 [ 2483.113545][ T1167] ip6_route_output_flags+0x259/0x480 [ 2483.113545][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2483.113545][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2483.113545][ T1167] netlink_rcv_skb+0x130/0x360 [ 2483.113545][ T1167] netlink_unicast+0x449/0x710 [ 2483.113545][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2483.113545][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2483.113545][ T1167] ___sys_sendmsg+0xee/0x170 [ 2483.113545][ T1167] __sys_sendmsg+0xcd/0x170 [ 2483.113545][ T1167] do_syscall_64+0xc6/0x1e0 [ 2483.113545][ T1167] [ 2483.115759][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2483.115759][ T1167] netdev_get_by_index+0x5e/0x80 [ 2483.115759][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2483.115759][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2483.115759][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2483.115759][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2483.115759][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2483.115759][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2483.115759][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2483.115759][ T1167] addrconf_dad_begin+0x310/0x670 [ 2483.115759][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2483.115759][ T1167] process_one_work+0x84d/0x18a0 [ 2483.115759][ T1167] worker_thread+0x587/0xd30 [ 2483.115759][ T1167] kthread+0x28a/0x350 [ 2483.115759][ T1167] ret_from_fork+0x31/0x70 [ 2483.115759][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2483.115759][ T1167] [ 2483.117911][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2483.117911][ T1167] netdev_get_by_index+0x5e/0x80 [ 2483.117911][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2483.117911][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2483.117911][ T1167] ip6_route_add+0x1c/0x140 [ 2483.117911][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2483.117911][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2483.117911][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2483.117911][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2483.117911][ T1167] netlink_rcv_skb+0x130/0x360 [ 2483.117911][ T1167] netlink_unicast+0x449/0x710 [ 2483.117911][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2483.117911][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2483.117911][ T1167] ___sys_sendmsg+0xee/0x170 [ 2483.117911][ T1167] __sys_sendmsg+0xcd/0x170 [ 2483.117911][ T1167] do_syscall_64+0xc6/0x1e0 [ 2483.117911][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2483.117911][ T1167] [ 2483.120195][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2483.120195][ T1167] netdev_get_by_index+0x5e/0x80 [ 2483.120195][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2483.120195][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2483.120195][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2483.120195][ T1167] ipv6_add_addr+0x411/0x2000 [ 2483.120195][ T1167] inet6_addr_add+0x30e/0xa40 [ 2483.120195][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2483.120195][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2483.120195][ T1167] netlink_rcv_skb+0x130/0x360 [ 2483.120195][ T1167] netlink_unicast+0x449/0x710 [ 2483.120195][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2483.120195][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2483.120195][ T1167] ___sys_sendmsg+0xee/0x170 [ 2483.120195][ T1167] __sys_sendmsg+0xcd/0x170 [ 2483.120195][ T1167] do_syscall_64+0xc6/0x1e0 [ 2483.120195][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2483.120195][ T1167] [ 2483.122446][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2483.122446][ T1167] netdev_get_by_index+0x5e/0x80 [ 2483.122446][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2483.122446][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2483.122446][ T1167] ip6_route_add+0x1c/0x140 [ 2483.122446][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2483.122446][ T1167] addrconf_add_dev+0xe2/0x170 [ 2483.122446][ T1167] inet6_addr_add+0x12f/0xa40 [ 2483.122446][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2483.122446][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2483.122446][ T1167] netlink_rcv_skb+0x130/0x360 [ 2483.122446][ T1167] netlink_unicast+0x449/0x710 [ 2483.122446][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2483.122446][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2483.122446][ T1167] ___sys_sendmsg+0xee/0x170 [ 2483.122446][ T1167] __sys_sendmsg+0xcd/0x170 [ 2483.122446][ T1167] do_syscall_64+0xc6/0x1e0 [ 2483.122446][ T1167] [ 2483.124655][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2483.124655][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2483.124655][ T1167] ipv6_find_idev+0x102/0x170 [ 2483.124655][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2483.124655][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2483.124655][ T1167] netlink_rcv_skb+0x130/0x360 [ 2483.124655][ T1167] netlink_unicast+0x449/0x710 [ 2483.124655][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2483.124655][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2483.124655][ T1167] ___sys_sendmsg+0xee/0x170 [ 2483.124655][ T1167] __sys_sendmsg+0xcd/0x170 [ 2483.124655][ T1167] do_syscall_64+0xc6/0x1e0 [ 2483.124655][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2483.124655][ T1167] [ 2483.126402][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2483.126402][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2483.126402][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2483.126402][ T1167] ipv6_find_idev+0x102/0x170 [ 2483.126402][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2483.126402][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2483.126402][ T1167] netlink_rcv_skb+0x130/0x360 [ 2483.126402][ T1167] netlink_unicast+0x449/0x710 [ 2483.126402][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2483.126402][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2483.126402][ T1167] ___sys_sendmsg+0xee/0x170 [ 2483.126402][ T1167] __sys_sendmsg+0xcd/0x170 [ 2483.126402][ T1167] do_syscall_64+0xc6/0x1e0 [ 2483.126402][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2483.126402][ T1167] [ 2489.689122][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2489.689589][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2489.689589][ T10] netdev_get_by_index+0x5e/0x80 [ 2489.689589][ T10] fib6_nh_init+0x3d8/0x1580 [ 2489.689589][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2489.689589][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2489.689589][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2489.689589][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2489.689589][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2489.689589][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2489.689589][ T10] addrconf_dad_begin+0x310/0x670 [ 2489.689589][ T10] addrconf_dad_work+0x10b/0xab0 [ 2489.689589][ T10] process_one_work+0x84d/0x18a0 [ 2489.689589][ T10] worker_thread+0x587/0xd30 [ 2489.689589][ T10] kthread+0x28a/0x350 [ 2489.689589][ T10] ret_from_fork+0x31/0x70 [ 2489.689589][ T10] ret_from_fork_asm+0x1a/0x30 [ 2489.689589][ T10] [ 2489.691515][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2489.691515][ T10] netdev_get_by_index+0x5e/0x80 [ 2489.691515][ T10] fib6_nh_init+0x3d8/0x1580 [ 2489.691515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2489.691515][ T10] ip6_route_add+0x1c/0x140 [ 2489.691515][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2489.691515][ T10] inet6_addr_add+0x4f8/0xa40 [ 2489.691515][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2489.691515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2489.691515][ T10] netlink_rcv_skb+0x130/0x360 [ 2489.691515][ T10] netlink_unicast+0x449/0x710 [ 2489.691515][ T10] netlink_sendmsg+0x723/0xbe0 [ 2489.691515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2489.691515][ T10] ___sys_sendmsg+0xee/0x170 [ 2489.691515][ T10] __sys_sendmsg+0xcd/0x170 [ 2489.691515][ T10] do_syscall_64+0xc6/0x1e0 [ 2489.691515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2489.691515][ T10] [ 2489.693509][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2489.693509][ T10] netdev_get_by_index+0x5e/0x80 [ 2489.693509][ T10] fib6_nh_init+0x3d8/0x1580 [ 2489.693509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2489.693509][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2489.693509][ T10] ipv6_add_addr+0x411/0x2000 [ 2489.693509][ T10] inet6_addr_add+0x30e/0xa40 [ 2489.693509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2489.693509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2489.693509][ T10] netlink_rcv_skb+0x130/0x360 [ 2489.693509][ T10] netlink_unicast+0x449/0x710 [ 2489.693509][ T10] netlink_sendmsg+0x723/0xbe0 [ 2489.693509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2489.693509][ T10] ___sys_sendmsg+0xee/0x170 [ 2489.693509][ T10] __sys_sendmsg+0xcd/0x170 [ 2489.693509][ T10] do_syscall_64+0xc6/0x1e0 [ 2489.693509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2489.693509][ T10] [ 2489.695497][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2489.695497][ T10] netdev_get_by_index+0x5e/0x80 [ 2489.695497][ T10] fib6_nh_init+0x3d8/0x1580 [ 2489.695497][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2489.695497][ T10] ip6_route_add+0x1c/0x140 [ 2489.695497][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2489.695497][ T10] addrconf_add_dev+0xe2/0x170 [ 2489.695497][ T10] inet6_addr_add+0x12f/0xa40 [ 2489.695497][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2489.695497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2489.695497][ T10] netlink_rcv_skb+0x130/0x360 [ 2489.695497][ T10] netlink_unicast+0x449/0x710 [ 2489.695497][ T10] netlink_sendmsg+0x723/0xbe0 [ 2489.695497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2489.695497][ T10] ___sys_sendmsg+0xee/0x170 [ 2489.695497][ T10] __sys_sendmsg+0xcd/0x170 [ 2489.695497][ T10] do_syscall_64+0xc6/0x1e0 [ 2489.695497][ T10] [ 2489.697461][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2489.697461][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2489.697461][ T10] ipv6_find_idev+0x102/0x170 [ 2489.697461][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2489.697461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2489.697461][ T10] netlink_rcv_skb+0x130/0x360 [ 2489.697461][ T10] netlink_unicast+0x449/0x710 [ 2489.697461][ T10] netlink_sendmsg+0x723/0xbe0 [ 2489.697461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2489.697461][ T10] ___sys_sendmsg+0xee/0x170 [ 2489.697461][ T10] __sys_sendmsg+0xcd/0x170 [ 2489.697461][ T10] do_syscall_64+0xc6/0x1e0 [ 2489.697461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2489.697461][ T10] [ 2489.699013][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2489.699013][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2489.699013][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2489.699013][ T10] ipv6_find_idev+0x102/0x170 [ 2489.699013][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2489.699013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2489.699013][ T10] netlink_rcv_skb+0x130/0x360 [ 2489.699013][ T10] netlink_unicast+0x449/0x710 [ 2489.699013][ T10] netlink_sendmsg+0x723/0xbe0 [ 2489.699013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2489.699013][ T10] ___sys_sendmsg+0xee/0x170 [ 2489.699013][ T10] __sys_sendmsg+0xcd/0x170 [ 2489.699013][ T10] do_syscall_64+0xc6/0x1e0 [ 2489.699013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2489.699013][ T10] [ 2489.700691][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2489.700933][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2489.700933][ T10] netdev_get_by_index+0x5e/0x80 [ 2489.700933][ T10] fib6_nh_init+0x3d8/0x1580 [ 2489.700933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2489.700933][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2489.700933][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2489.700933][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2489.700933][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2489.700933][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2489.700933][ T10] addrconf_dad_begin+0x310/0x670 [ 2489.700933][ T10] addrconf_dad_work+0x10b/0xab0 [ 2489.700933][ T10] process_one_work+0x84d/0x18a0 [ 2489.700933][ T10] worker_thread+0x587/0xd30 [ 2489.700933][ T10] kthread+0x28a/0x350 [ 2489.700933][ T10] ret_from_fork+0x31/0x70 [ 2489.700933][ T10] ret_from_fork_asm+0x1a/0x30 [ 2489.700933][ T10] [ 2489.702822][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2489.702822][ T10] netdev_get_by_index+0x5e/0x80 [ 2489.702822][ T10] fib6_nh_init+0x3d8/0x1580 [ 2489.702822][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2489.702822][ T10] ip6_route_add+0x1c/0x140 [ 2489.702822][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2489.702822][ T10] inet6_addr_add+0x4f8/0xa40 [ 2489.702822][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2489.702822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2489.702822][ T10] netlink_rcv_skb+0x130/0x360 [ 2489.702822][ T10] netlink_unicast+0x449/0x710 [ 2489.702822][ T10] netlink_sendmsg+0x723/0xbe0 [ 2489.702822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2489.702822][ T10] ___sys_sendmsg+0xee/0x170 [ 2489.702822][ T10] __sys_sendmsg+0xcd/0x170 [ 2489.702822][ T10] do_syscall_64+0xc6/0x1e0 [ 2489.702822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2489.702822][ T10] [ 2489.704908][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2489.704908][ T10] netdev_get_by_index+0x5e/0x80 [ 2489.704908][ T10] fib6_nh_init+0x3d8/0x1580 [ 2489.704908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2489.704908][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2489.704908][ T10] ipv6_add_addr+0x411/0x2000 [ 2489.704908][ T10] inet6_addr_add+0x30e/0xa40 [ 2489.704908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2489.704908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2489.704908][ T10] netlink_rcv_skb+0x130/0x360 [ 2489.704908][ T10] netlink_unicast+0x449/0x710 [ 2489.704908][ T10] netlink_sendmsg+0x723/0xbe0 [ 2489.704908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2489.704908][ T10] ___sys_sendmsg+0xee/0x170 [ 2489.704908][ T10] __sys_sendmsg+0xcd/0x170 [ 2489.704908][ T10] do_syscall_64+0xc6/0x1e0 [ 2489.704908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2489.704908][ T10] [ 2489.706909][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2489.706909][ T10] netdev_get_by_index+0x5e/0x80 [ 2489.706909][ T10] fib6_nh_init+0x3d8/0x1580 [ 2489.706909][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2489.706909][ T10] ip6_route_add+0x1c/0x140 [ 2489.706909][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2489.706909][ T10] addrconf_add_dev+0xe2/0x170 [ 2489.706909][ T10] inet6_addr_add+0x12f/0xa40 [ 2489.706909][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2489.706909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2489.706909][ T10] netlink_rcv_skb+0x130/0x360 [ 2489.706909][ T10] netlink_unicast+0x449/0x710 [ 2489.706909][ T10] netlink_sendmsg+0x723/0xbe0 [ 2489.706909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2489.706909][ T10] ___sys_sendmsg+0xee/0x170 [ 2489.706909][ T10] __sys_sendmsg+0xcd/0x170 [ 2489.706909][ T10] do_syscall_64+0xc6/0x1e0 [ 2489.706909][ T10] [ 2489.708861][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2489.708861][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2489.708861][ T10] ipv6_find_idev+0x102/0x170 [ 2489.708861][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2489.708861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2489.708861][ T10] netlink_rcv_skb+0x130/0x360 [ 2489.708861][ T10] netlink_unicast+0x449/0x710 [ 2489.708861][ T10] netlink_sendmsg+0x723/0xbe0 [ 2489.708861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2489.708861][ T10] ___sys_sendmsg+0xee/0x170 [ 2489.708861][ T10] __sys_sendmsg+0xcd/0x170 [ 2489.708861][ T10] do_syscall_64+0xc6/0x1e0 [ 2489.708861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2489.708861][ T10] [ 2489.710395][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2489.710395][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2489.710395][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2489.710395][ T10] ipv6_find_idev+0x102/0x170 [ 2489.710395][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2489.710395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2489.710395][ T10] netlink_rcv_skb+0x130/0x360 [ 2489.710395][ T10] netlink_unicast+0x449/0x710 [ 2489.710395][ T10] netlink_sendmsg+0x723/0xbe0 [ 2489.710395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2489.710395][ T10] ___sys_sendmsg+0xee/0x170 [ 2489.710395][ T10] __sys_sendmsg+0xcd/0x170 [ 2489.710395][ T10] do_syscall_64+0xc6/0x1e0 [ 2489.710395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2489.710395][ T10] [ 2489.712071][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2489.712311][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2489.712311][ T10] netdev_get_by_index+0x5e/0x80 [ 2489.712311][ T10] fib6_nh_init+0x3d8/0x1580 [ 2489.712311][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2489.712311][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2489.712311][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2489.712311][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2489.712311][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2489.712311][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2489.712311][ T10] addrconf_dad_begin+0x310/0x670 [ 2489.712311][ T10] addrconf_dad_work+0x10b/0xab0 [ 2489.712311][ T10] process_one_work+0x84d/0x18a0 [ 2489.712311][ T10] worker_thread+0x587/0xd30 [ 2489.712311][ T10] kthread+0x28a/0x350 [ 2489.712311][ T10] ret_from_fork+0x31/0x70 [ 2489.712311][ T10] ret_from_fork_asm+0x1a/0x30 [ 2489.712311][ T10] [ 2489.714208][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2489.714208][ T10] netdev_get_by_index+0x5e/0x80 [ 2489.714208][ T10] fib6_nh_init+0x3d8/0x1580 [ 2489.714208][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2489.714208][ T10] ip6_route_add+0x1c/0x140 [ 2489.714208][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2489.714208][ T10] inet6_addr_add+0x4f8/0xa40 [ 2489.714208][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2489.714208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2489.714208][ T10] netlink_rcv_skb+0x130/0x360 [ 2489.714208][ T10] netlink_unicast+0x449/0x710 [ 2489.714208][ T10] netlink_sendmsg+0x723/0xbe0 [ 2489.714208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2489.714208][ T10] ___sys_sendmsg+0xee/0x170 [ 2489.714208][ T10] __sys_sendmsg+0xcd/0x170 [ 2489.714208][ T10] do_syscall_64+0xc6/0x1e0 [ 2489.714208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2489.714208][ T10] [ 2489.716375][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2489.716375][ T10] netdev_get_by_index+0x5e/0x80 [ 2489.716375][ T10] fib6_nh_init+0x3d8/0x1580 [ 2489.716375][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2489.716375][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2489.716375][ T10] ipv6_add_addr+0x411/0x2000 [ 2489.716375][ T10] inet6_addr_add+0x30e/0xa40 [ 2489.716375][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2489.716375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2489.716375][ T10] netlink_rcv_skb+0x130/0x360 [ 2489.716375][ T10] netlink_unicast+0x449/0x710 [ 2489.716375][ T10] netlink_sendmsg+0x723/0xbe0 [ 2489.716375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2489.716375][ T10] ___sys_sendmsg+0xee/0x170 [ 2489.716375][ T10] __sys_sendmsg+0xcd/0x170 [ 2489.716375][ T10] do_syscall_64+0xc6/0x1e0 [ 2489.716375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2489.716375][ T10] [ 2489.718785][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2489.718785][ T10] netdev_get_by_index+0x5e/0x80 [ 2489.718785][ T10] fib6_nh_init+0x3d8/0x1580 [ 2489.718785][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2489.718785][ T10] ip6_route_add+0x1c/0x140 [ 2489.718785][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2489.718785][ T10] addrconf_add_dev+0xe2/0x170 [ 2489.718785][ T10] inet6_addr_add+0x12f/0xa40 [ 2489.718785][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2489.718785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2489.718785][ T10] netlink_rcv_skb+0x130/0x360 [ 2489.718785][ T10] netlink_unicast+0x449/0x710 [ 2489.718785][ T10] netlink_sendmsg+0x723/0xbe0 [ 2489.718785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2489.718785][ T10] ___sys_sendmsg+0xee/0x170 [ 2489.718785][ T10] __sys_sendmsg+0xcd/0x170 [ 2489.718785][ T10] do_syscall_64+0xc6/0x1e0 [ 2489.718785][ T10] [ 2489.721152][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2489.721152][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2489.721152][ T10] ipv6_find_idev+0x102/0x170 [ 2489.721152][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2489.721152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2489.721152][ T10] netlink_rcv_skb+0x130/0x360 [ 2489.721152][ T10] netlink_unicast+0x449/0x710 [ 2489.721152][ T10] netlink_sendmsg+0x723/0xbe0 [ 2489.721152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2489.721152][ T10] ___sys_sendmsg+0xee/0x170 [ 2489.721152][ T10] __sys_sendmsg+0xcd/0x170 [ 2489.721152][ T10] do_syscall_64+0xc6/0x1e0 [ 2489.721152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2489.721152][ T10] [ 2489.723009][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2489.723009][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2489.723009][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2489.723009][ T10] ipv6_find_idev+0x102/0x170 [ 2489.723009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2489.723009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2489.723009][ T10] netlink_rcv_skb+0x130/0x360 [ 2489.723009][ T10] netlink_unicast+0x449/0x710 [ 2489.723009][ T10] netlink_sendmsg+0x723/0xbe0 [ 2489.723009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2489.723009][ T10] ___sys_sendmsg+0xee/0x170 [ 2489.723009][ T10] __sys_sendmsg+0xcd/0x170 [ 2489.723009][ T10] do_syscall_64+0xc6/0x1e0 [ 2489.723009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2489.723009][ T10] [ 2489.725559][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2489.725812][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2489.725812][ T10] netdev_get_by_index+0x5e/0x80 [ 2489.725812][ T10] fib6_nh_init+0x3d8/0x1580 [ 2489.725812][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2489.725812][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2489.725812][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2489.725812][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2489.725812][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2489.725812][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2489.725812][ T10] addrconf_dad_begin+0x310/0x670 [ 2489.725812][ T10] addrconf_dad_work+0x10b/0xab0 [ 2489.725812][ T10] process_one_work+0x84d/0x18a0 [ 2489.725812][ T10] worker_thread+0x587/0xd30 [ 2489.725812][ T10] kthread+0x28a/0x350 [ 2489.725812][ T10] ret_from_fork+0x31/0x70 [ 2489.725812][ T10] ret_from_fork_asm+0x1a/0x30 [ 2489.725812][ T10] [ 2489.728179][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2489.728179][ T10] netdev_get_by_index+0x5e/0x80 [ 2489.728179][ T10] fib6_nh_init+0x3d8/0x1580 [ 2489.728179][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2489.728179][ T10] ip6_route_add+0x1c/0x140 [ 2489.728179][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2489.728179][ T10] inet6_addr_add+0x4f8/0xa40 [ 2489.728179][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2489.728179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2489.728179][ T10] netlink_rcv_skb+0x130/0x360 [ 2489.728179][ T10] netlink_unicast+0x449/0x710 [ 2489.728179][ T10] netlink_sendmsg+0x723/0xbe0 [ 2489.728179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2489.728179][ T10] ___sys_sendmsg+0xee/0x170 [ 2489.728179][ T10] __sys_sendmsg+0xcd/0x170 [ 2489.728179][ T10] do_syscall_64+0xc6/0x1e0 [ 2489.728179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2489.728179][ T10] [ 2489.730541][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2489.730541][ T10] netdev_get_by_index+0x5e/0x80 [ 2489.730541][ T10] fib6_nh_init+0x3d8/0x1580 [ 2489.730541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2489.730541][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2489.730541][ T10] ipv6_add_addr+0x411/0x2000 [ 2489.730541][ T10] inet6_addr_add+0x30e/0xa40 [ 2489.730541][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2489.730541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2489.730541][ T10] netlink_rcv_skb+0x130/0x360 [ 2489.730541][ T10] netlink_unicast+0x449/0x710 [ 2489.730541][ T10] netlink_sendmsg+0x723/0xbe0 [ 2489.730541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2489.730541][ T10] ___sys_sendmsg+0xee/0x170 [ 2489.730541][ T10] __sys_sendmsg+0xcd/0x170 [ 2489.730541][ T10] do_syscall_64+0xc6/0x1e0 [ 2489.730541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2489.730541][ T10] [ 2489.732883][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2489.732883][ T10] netdev_get_by_index+0x5e/0x80 [ 2489.732883][ T10] fib6_nh_init+0x3d8/0x1580 [ 2489.732883][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2489.732883][ T10] ip6_route_add+0x1c/0x140 [ 2489.732883][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2489.732883][ T10] addrconf_add_dev+0xe2/0x170 [ 2489.732883][ T10] inet6_addr_add+0x12f/0xa40 [ 2489.732883][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2489.732883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2489.732883][ T10] netlink_rcv_skb+0x130/0x360 [ 2489.732883][ T10] netlink_unicast+0x449/0x710 [ 2489.732883][ T10] netlink_sendmsg+0x723/0xbe0 [ 2489.732883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2489.732883][ T10] ___sys_sendmsg+0xee/0x170 [ 2489.732883][ T10] __sys_sendmsg+0xcd/0x170 [ 2489.732883][ T10] do_syscall_64+0xc6/0x1e0 [ 2489.732883][ T10] [ 2489.735240][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2489.735240][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2489.735240][ T10] ipv6_find_idev+0x102/0x170 [ 2489.735240][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2489.735240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2489.735240][ T10] netlink_rcv_skb+0x130/0x360 [ 2489.735240][ T10] netlink_unicast+0x449/0x710 [ 2489.735240][ T10] netlink_sendmsg+0x723/0xbe0 [ 2489.735240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2489.735240][ T10] ___sys_sendmsg+0xee/0x170 [ 2489.735240][ T10] __sys_sendmsg+0xcd/0x170 [ 2489.735240][ T10] do_syscall_64+0xc6/0x1e0 [ 2489.735240][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2489.735240][ T10] [ 2489.737093][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2489.737093][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2489.737093][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2489.737093][ T10] ipv6_find_idev+0x102/0x170 [ 2489.737093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2489.737093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2489.737093][ T10] netlink_rcv_skb+0x130/0x360 [ 2489.737093][ T10] netlink_unicast+0x449/0x710 [ 2489.737093][ T10] netlink_sendmsg+0x723/0xbe0 [ 2489.737093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2489.737093][ T10] ___sys_sendmsg+0xee/0x170 [ 2489.737093][ T10] __sys_sendmsg+0xcd/0x170 [ 2489.737093][ T10] do_syscall_64+0xc6/0x1e0 [ 2489.737093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2489.737093][ T10] [ 2493.257079][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2493.257497][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2493.257497][ T1167] dst_init+0x84/0x4a0 [ 2493.257497][ T1167] dst_alloc+0x97/0x150 [ 2493.257497][ T1167] ip6_dst_alloc+0x23/0x90 [ 2493.257497][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2493.257497][ T1167] ip6_pol_route+0x56f/0x840 [ 2493.257497][ T1167] fib6_rule_lookup+0x334/0x630 [ 2493.257497][ T1167] ip6_route_output_flags+0x259/0x480 [ 2493.257497][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2493.257497][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2493.257497][ T1167] netlink_rcv_skb+0x130/0x360 [ 2493.257497][ T1167] netlink_unicast+0x449/0x710 [ 2493.257497][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2493.257497][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2493.257497][ T1167] ___sys_sendmsg+0xee/0x170 [ 2493.257497][ T1167] __sys_sendmsg+0xcd/0x170 [ 2493.257497][ T1167] do_syscall_64+0xc6/0x1e0 [ 2493.257497][ T1167] [ 2493.259689][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2493.259689][ T1167] netdev_get_by_index+0x5e/0x80 [ 2493.259689][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2493.259689][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2493.259689][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2493.259689][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2493.259689][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2493.259689][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2493.259689][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2493.259689][ T1167] addrconf_dad_begin+0x310/0x670 [ 2493.259689][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2493.259689][ T1167] process_one_work+0x84d/0x18a0 [ 2493.259689][ T1167] worker_thread+0x587/0xd30 [ 2493.259689][ T1167] kthread+0x28a/0x350 [ 2493.259689][ T1167] ret_from_fork+0x31/0x70 [ 2493.259689][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2493.259689][ T1167] [ 2493.261860][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2493.261860][ T1167] netdev_get_by_index+0x5e/0x80 [ 2493.261860][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2493.261860][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2493.261860][ T1167] ip6_route_add+0x1c/0x140 [ 2493.261860][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2493.261860][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2493.261860][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2493.261860][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.261860][ T1167] netlink_rcv_skb+0x130/0x360 [ 2493.261860][ T1167] netlink_unicast+0x449/0x710 [ 2493.261860][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2493.261860][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2493.261860][ T1167] ___sys_sendmsg+0xee/0x170 [ 2493.261860][ T1167] __sys_sendmsg+0xcd/0x170 [ 2493.261860][ T1167] do_syscall_64+0xc6/0x1e0 [ 2493.261860][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.261860][ T1167] [ 2493.264126][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2493.264126][ T1167] netdev_get_by_index+0x5e/0x80 [ 2493.264126][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2493.264126][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2493.264126][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2493.264126][ T1167] ipv6_add_addr+0x411/0x2000 [ 2493.264126][ T1167] inet6_addr_add+0x30e/0xa40 [ 2493.264126][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2493.264126][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.264126][ T1167] netlink_rcv_skb+0x130/0x360 [ 2493.264126][ T1167] netlink_unicast+0x449/0x710 [ 2493.264126][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2493.264126][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2493.264126][ T1167] ___sys_sendmsg+0xee/0x170 [ 2493.264126][ T1167] __sys_sendmsg+0xcd/0x170 [ 2493.264126][ T1167] do_syscall_64+0xc6/0x1e0 [ 2493.264126][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.264126][ T1167] [ 2493.266391][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2493.266391][ T1167] netdev_get_by_index+0x5e/0x80 [ 2493.266391][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2493.266391][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2493.266391][ T1167] ip6_route_add+0x1c/0x140 [ 2493.266391][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2493.266391][ T1167] addrconf_add_dev+0xe2/0x170 [ 2493.266391][ T1167] inet6_addr_add+0x12f/0xa40 [ 2493.266391][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2493.266391][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.266391][ T1167] netlink_rcv_skb+0x130/0x360 [ 2493.266391][ T1167] netlink_unicast+0x449/0x710 [ 2493.266391][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2493.266391][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2493.266391][ T1167] ___sys_sendmsg+0xee/0x170 [ 2493.266391][ T1167] __sys_sendmsg+0xcd/0x170 [ 2493.266391][ T1167] do_syscall_64+0xc6/0x1e0 [ 2493.266391][ T1167] [ 2493.268600][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2493.268600][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2493.268600][ T1167] ipv6_find_idev+0x102/0x170 [ 2493.268600][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2493.268600][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.268600][ T1167] netlink_rcv_skb+0x130/0x360 [ 2493.268600][ T1167] netlink_unicast+0x449/0x710 [ 2493.268600][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2493.268600][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2493.268600][ T1167] ___sys_sendmsg+0xee/0x170 [ 2493.268600][ T1167] __sys_sendmsg+0xcd/0x170 [ 2493.268600][ T1167] do_syscall_64+0xc6/0x1e0 [ 2493.268600][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.268600][ T1167] [ 2493.270728][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2493.270728][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2493.270728][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2493.270728][ T1167] ipv6_find_idev+0x102/0x170 [ 2493.270728][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2493.270728][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2493.270728][ T1167] netlink_rcv_skb+0x130/0x360 [ 2493.270728][ T1167] netlink_unicast+0x449/0x710 [ 2493.270728][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2493.270728][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2493.270728][ T1167] ___sys_sendmsg+0xee/0x170 [ 2493.270728][ T1167] __sys_sendmsg+0xcd/0x170 [ 2493.270728][ T1167] do_syscall_64+0xc6/0x1e0 [ 2493.270728][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2493.270728][ T1167] [ 2499.993052][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2499.993441][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2499.993441][ T10] netdev_get_by_index+0x5e/0x80 [ 2499.993441][ T10] fib6_nh_init+0x3d8/0x1580 [ 2499.993441][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2499.993441][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2499.993441][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2499.993441][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2499.993441][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2499.993441][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2499.993441][ T10] addrconf_dad_begin+0x310/0x670 [ 2499.993441][ T10] addrconf_dad_work+0x10b/0xab0 [ 2499.993441][ T10] process_one_work+0x84d/0x18a0 [ 2499.993441][ T10] worker_thread+0x587/0xd30 [ 2499.993441][ T10] kthread+0x28a/0x350 [ 2499.993441][ T10] ret_from_fork+0x31/0x70 [ 2499.993441][ T10] ret_from_fork_asm+0x1a/0x30 [ 2499.993441][ T10] [ 2499.995566][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2499.995566][ T10] netdev_get_by_index+0x5e/0x80 [ 2499.995566][ T10] fib6_nh_init+0x3d8/0x1580 [ 2499.995566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2499.995566][ T10] ip6_route_add+0x1c/0x140 [ 2499.995566][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2499.995566][ T10] inet6_addr_add+0x4f8/0xa40 [ 2499.995566][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2499.995566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2499.995566][ T10] netlink_rcv_skb+0x130/0x360 [ 2499.995566][ T10] netlink_unicast+0x449/0x710 [ 2499.995566][ T10] netlink_sendmsg+0x723/0xbe0 [ 2499.995566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2499.995566][ T10] ___sys_sendmsg+0xee/0x170 [ 2499.995566][ T10] __sys_sendmsg+0xcd/0x170 [ 2499.995566][ T10] do_syscall_64+0xc6/0x1e0 [ 2499.995566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2499.995566][ T10] [ 2499.997812][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2499.997812][ T10] netdev_get_by_index+0x5e/0x80 [ 2499.997812][ T10] fib6_nh_init+0x3d8/0x1580 [ 2499.997812][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2499.997812][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2499.997812][ T10] ipv6_add_addr+0x411/0x2000 [ 2499.997812][ T10] inet6_addr_add+0x30e/0xa40 [ 2499.997812][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2499.997812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2499.997812][ T10] netlink_rcv_skb+0x130/0x360 [ 2499.997812][ T10] netlink_unicast+0x449/0x710 [ 2499.997812][ T10] netlink_sendmsg+0x723/0xbe0 [ 2499.997812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2499.997812][ T10] ___sys_sendmsg+0xee/0x170 [ 2499.997812][ T10] __sys_sendmsg+0xcd/0x170 [ 2499.997812][ T10] do_syscall_64+0xc6/0x1e0 [ 2499.997812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2499.997812][ T10] [ 2499.999975][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2499.999975][ T10] netdev_get_by_index+0x5e/0x80 [ 2499.999975][ T10] fib6_nh_init+0x3d8/0x1580 [ 2499.999975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2499.999975][ T10] ip6_route_add+0x1c/0x140 [ 2499.999975][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2499.999975][ T10] addrconf_add_dev+0xe2/0x170 [ 2499.999975][ T10] inet6_addr_add+0x12f/0xa40 [ 2499.999975][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2499.999975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2499.999975][ T10] netlink_rcv_skb+0x130/0x360 [ 2499.999975][ T10] netlink_unicast+0x449/0x710 [ 2499.999975][ T10] netlink_sendmsg+0x723/0xbe0 [ 2499.999975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2499.999975][ T10] ___sys_sendmsg+0xee/0x170 [ 2499.999975][ T10] __sys_sendmsg+0xcd/0x170 [ 2499.999975][ T10] do_syscall_64+0xc6/0x1e0 [ 2499.999975][ T10] [ 2500.002067][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2500.002067][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2500.002067][ T10] ipv6_find_idev+0x102/0x170 [ 2500.002067][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2500.002067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2500.002067][ T10] netlink_rcv_skb+0x130/0x360 [ 2500.002067][ T10] netlink_unicast+0x449/0x710 [ 2500.002067][ T10] netlink_sendmsg+0x723/0xbe0 [ 2500.002067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2500.002067][ T10] ___sys_sendmsg+0xee/0x170 [ 2500.002067][ T10] __sys_sendmsg+0xcd/0x170 [ 2500.002067][ T10] do_syscall_64+0xc6/0x1e0 [ 2500.002067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2500.002067][ T10] [ 2500.003635][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2500.003635][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2500.003635][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2500.003635][ T10] ipv6_find_idev+0x102/0x170 [ 2500.003635][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2500.003635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2500.003635][ T10] netlink_rcv_skb+0x130/0x360 [ 2500.003635][ T10] netlink_unicast+0x449/0x710 [ 2500.003635][ T10] netlink_sendmsg+0x723/0xbe0 [ 2500.003635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2500.003635][ T10] ___sys_sendmsg+0xee/0x170 [ 2500.003635][ T10] __sys_sendmsg+0xcd/0x170 [ 2500.003635][ T10] do_syscall_64+0xc6/0x1e0 [ 2500.003635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2500.003635][ T10] [ 2500.005428][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2500.005670][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2500.005670][ T10] netdev_get_by_index+0x5e/0x80 [ 2500.005670][ T10] fib6_nh_init+0x3d8/0x1580 [ 2500.005670][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2500.005670][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2500.005670][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2500.005670][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2500.005670][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2500.005670][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2500.005670][ T10] addrconf_dad_begin+0x310/0x670 [ 2500.005670][ T10] addrconf_dad_work+0x10b/0xab0 [ 2500.005670][ T10] process_one_work+0x84d/0x18a0 [ 2500.005670][ T10] worker_thread+0x587/0xd30 [ 2500.005670][ T10] kthread+0x28a/0x350 [ 2500.005670][ T10] ret_from_fork+0x31/0x70 [ 2500.005670][ T10] ret_from_fork_asm+0x1a/0x30 [ 2500.005670][ T10] [ 2500.007584][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2500.007584][ T10] netdev_get_by_index+0x5e/0x80 [ 2500.007584][ T10] fib6_nh_init+0x3d8/0x1580 [ 2500.007584][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2500.007584][ T10] ip6_route_add+0x1c/0x140 [ 2500.007584][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2500.007584][ T10] inet6_addr_add+0x4f8/0xa40 [ 2500.007584][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2500.007584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2500.007584][ T10] netlink_rcv_skb+0x130/0x360 [ 2500.007584][ T10] netlink_unicast+0x449/0x710 [ 2500.007584][ T10] netlink_sendmsg+0x723/0xbe0 [ 2500.007584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2500.007584][ T10] ___sys_sendmsg+0xee/0x170 [ 2500.007584][ T10] __sys_sendmsg+0xcd/0x170 [ 2500.007584][ T10] do_syscall_64+0xc6/0x1e0 [ 2500.007584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2500.007584][ T10] [ 2500.009596][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2500.009596][ T10] netdev_get_by_index+0x5e/0x80 [ 2500.009596][ T10] fib6_nh_init+0x3d8/0x1580 [ 2500.009596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2500.009596][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2500.009596][ T10] ipv6_add_addr+0x411/0x2000 [ 2500.009596][ T10] inet6_addr_add+0x30e/0xa40 [ 2500.009596][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2500.009596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2500.009596][ T10] netlink_rcv_skb+0x130/0x360 [ 2500.009596][ T10] netlink_unicast+0x449/0x710 [ 2500.009596][ T10] netlink_sendmsg+0x723/0xbe0 [ 2500.009596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2500.009596][ T10] ___sys_sendmsg+0xee/0x170 [ 2500.009596][ T10] __sys_sendmsg+0xcd/0x170 [ 2500.009596][ T10] do_syscall_64+0xc6/0x1e0 [ 2500.009596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2500.009596][ T10] [ 2500.011622][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2500.011622][ T10] netdev_get_by_index+0x5e/0x80 [ 2500.011622][ T10] fib6_nh_init+0x3d8/0x1580 [ 2500.011622][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2500.011622][ T10] ip6_route_add+0x1c/0x140 [ 2500.011622][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2500.011622][ T10] addrconf_add_dev+0xe2/0x170 [ 2500.011622][ T10] inet6_addr_add+0x12f/0xa40 [ 2500.011622][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2500.011622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2500.011622][ T10] netlink_rcv_skb+0x130/0x360 [ 2500.011622][ T10] netlink_unicast+0x449/0x710 [ 2500.011622][ T10] netlink_sendmsg+0x723/0xbe0 [ 2500.011622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2500.011622][ T10] ___sys_sendmsg+0xee/0x170 [ 2500.011622][ T10] __sys_sendmsg+0xcd/0x170 [ 2500.011622][ T10] do_syscall_64+0xc6/0x1e0 [ 2500.011622][ T10] [ 2500.013712][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2500.013712][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2500.013712][ T10] ipv6_find_idev+0x102/0x170 [ 2500.013712][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2500.013712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2500.013712][ T10] netlink_rcv_skb+0x130/0x360 [ 2500.013712][ T10] netlink_unicast+0x449/0x710 [ 2500.013712][ T10] netlink_sendmsg+0x723/0xbe0 [ 2500.013712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2500.013712][ T10] ___sys_sendmsg+0xee/0x170 [ 2500.013712][ T10] __sys_sendmsg+0xcd/0x170 [ 2500.013712][ T10] do_syscall_64+0xc6/0x1e0 [ 2500.013712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2500.013712][ T10] [ 2500.015252][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2500.015252][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2500.015252][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2500.015252][ T10] ipv6_find_idev+0x102/0x170 [ 2500.015252][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2500.015252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2500.015252][ T10] netlink_rcv_skb+0x130/0x360 [ 2500.015252][ T10] netlink_unicast+0x449/0x710 [ 2500.015252][ T10] netlink_sendmsg+0x723/0xbe0 [ 2500.015252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2500.015252][ T10] ___sys_sendmsg+0xee/0x170 [ 2500.015252][ T10] __sys_sendmsg+0xcd/0x170 [ 2500.015252][ T10] do_syscall_64+0xc6/0x1e0 [ 2500.015252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2500.015252][ T10] [ 2500.017005][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2500.017257][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2500.017257][ T10] netdev_get_by_index+0x5e/0x80 [ 2500.017257][ T10] fib6_nh_init+0x3d8/0x1580 [ 2500.017257][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2500.017257][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2500.017257][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2500.017257][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2500.017257][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2500.017257][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2500.017257][ T10] addrconf_dad_begin+0x310/0x670 [ 2500.017257][ T10] addrconf_dad_work+0x10b/0xab0 [ 2500.017257][ T10] process_one_work+0x84d/0x18a0 [ 2500.017257][ T10] worker_thread+0x587/0xd30 [ 2500.017257][ T10] kthread+0x28a/0x350 [ 2500.017257][ T10] ret_from_fork+0x31/0x70 [ 2500.017257][ T10] ret_from_fork_asm+0x1a/0x30 [ 2500.017257][ T10] [ 2500.019182][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2500.019182][ T10] netdev_get_by_index+0x5e/0x80 [ 2500.019182][ T10] fib6_nh_init+0x3d8/0x1580 [ 2500.019182][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2500.019182][ T10] ip6_route_add+0x1c/0x140 [ 2500.019182][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2500.019182][ T10] inet6_addr_add+0x4f8/0xa40 [ 2500.019182][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2500.019182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2500.019182][ T10] netlink_rcv_skb+0x130/0x360 [ 2500.019182][ T10] netlink_unicast+0x449/0x710 [ 2500.019182][ T10] netlink_sendmsg+0x723/0xbe0 [ 2500.019182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2500.019182][ T10] ___sys_sendmsg+0xee/0x170 [ 2500.019182][ T10] __sys_sendmsg+0xcd/0x170 [ 2500.019182][ T10] do_syscall_64+0xc6/0x1e0 [ 2500.019182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2500.019182][ T10] [ 2500.021559][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2500.021559][ T10] netdev_get_by_index+0x5e/0x80 [ 2500.021559][ T10] fib6_nh_init+0x3d8/0x1580 [ 2500.021559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2500.021559][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2500.021559][ T10] ipv6_add_addr+0x411/0x2000 [ 2500.021559][ T10] inet6_addr_add+0x30e/0xa40 [ 2500.021559][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2500.021559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2500.021559][ T10] netlink_rcv_skb+0x130/0x360 [ 2500.021559][ T10] netlink_unicast+0x449/0x710 [ 2500.021559][ T10] netlink_sendmsg+0x723/0xbe0 [ 2500.021559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2500.021559][ T10] ___sys_sendmsg+0xee/0x170 [ 2500.021559][ T10] __sys_sendmsg+0xcd/0x170 [ 2500.021559][ T10] do_syscall_64+0xc6/0x1e0 [ 2500.021559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2500.021559][ T10] [ 2500.023805][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2500.023805][ T10] netdev_get_by_index+0x5e/0x80 [ 2500.023805][ T10] fib6_nh_init+0x3d8/0x1580 [ 2500.023805][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2500.023805][ T10] ip6_route_add+0x1c/0x140 [ 2500.023805][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2500.023805][ T10] addrconf_add_dev+0xe2/0x170 [ 2500.023805][ T10] inet6_addr_add+0x12f/0xa40 [ 2500.023805][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2500.023805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2500.023805][ T10] netlink_rcv_skb+0x130/0x360 [ 2500.023805][ T10] netlink_unicast+0x449/0x710 [ 2500.023805][ T10] netlink_sendmsg+0x723/0xbe0 [ 2500.023805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2500.023805][ T10] ___sys_sendmsg+0xee/0x170 [ 2500.023805][ T10] __sys_sendmsg+0xcd/0x170 [ 2500.023805][ T10] do_syscall_64+0xc6/0x1e0 [ 2500.023805][ T10] [ 2500.026020][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2500.026020][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2500.026020][ T10] ipv6_find_idev+0x102/0x170 [ 2500.026020][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2500.026020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2500.026020][ T10] netlink_rcv_skb+0x130/0x360 [ 2500.026020][ T10] netlink_unicast+0x449/0x710 [ 2500.026020][ T10] netlink_sendmsg+0x723/0xbe0 [ 2500.026020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2500.026020][ T10] ___sys_sendmsg+0xee/0x170 [ 2500.026020][ T10] __sys_sendmsg+0xcd/0x170 [ 2500.026020][ T10] do_syscall_64+0xc6/0x1e0 [ 2500.026020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2500.026020][ T10] [ 2500.027742][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2500.027742][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2500.027742][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2500.027742][ T10] ipv6_find_idev+0x102/0x170 [ 2500.027742][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2500.027742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2500.027742][ T10] netlink_rcv_skb+0x130/0x360 [ 2500.027742][ T10] netlink_unicast+0x449/0x710 [ 2500.027742][ T10] netlink_sendmsg+0x723/0xbe0 [ 2500.027742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2500.027742][ T10] ___sys_sendmsg+0xee/0x170 [ 2500.027742][ T10] __sys_sendmsg+0xcd/0x170 [ 2500.027742][ T10] do_syscall_64+0xc6/0x1e0 [ 2500.027742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2500.027742][ T10] [ 2500.029619][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2500.029858][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2500.029858][ T10] netdev_get_by_index+0x5e/0x80 [ 2500.029858][ T10] fib6_nh_init+0x3d8/0x1580 [ 2500.029858][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2500.029858][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2500.029858][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2500.029858][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2500.029858][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2500.029858][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2500.029858][ T10] addrconf_dad_begin+0x310/0x670 [ 2500.029858][ T10] addrconf_dad_work+0x10b/0xab0 [ 2500.029858][ T10] process_one_work+0x84d/0x18a0 [ 2500.029858][ T10] worker_thread+0x587/0xd30 [ 2500.029858][ T10] kthread+0x28a/0x350 [ 2500.029858][ T10] ret_from_fork+0x31/0x70 [ 2500.029858][ T10] ret_from_fork_asm+0x1a/0x30 [ 2500.029858][ T10] [ 2500.032001][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2500.032001][ T10] netdev_get_by_index+0x5e/0x80 [ 2500.032001][ T10] fib6_nh_init+0x3d8/0x1580 [ 2500.032001][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2500.032001][ T10] ip6_route_add+0x1c/0x140 [ 2500.032001][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2500.032001][ T10] inet6_addr_add+0x4f8/0xa40 [ 2500.032001][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2500.032001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2500.032001][ T10] netlink_rcv_skb+0x130/0x360 [ 2500.032001][ T10] netlink_unicast+0x449/0x710 [ 2500.032001][ T10] netlink_sendmsg+0x723/0xbe0 [ 2500.032001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2500.032001][ T10] ___sys_sendmsg+0xee/0x170 [ 2500.032001][ T10] __sys_sendmsg+0xcd/0x170 [ 2500.032001][ T10] do_syscall_64+0xc6/0x1e0 [ 2500.032001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2500.032001][ T10] [ 2500.034270][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2500.034270][ T10] netdev_get_by_index+0x5e/0x80 [ 2500.034270][ T10] fib6_nh_init+0x3d8/0x1580 [ 2500.034270][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2500.034270][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2500.034270][ T10] ipv6_add_addr+0x411/0x2000 [ 2500.034270][ T10] inet6_addr_add+0x30e/0xa40 [ 2500.034270][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2500.034270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2500.034270][ T10] netlink_rcv_skb+0x130/0x360 [ 2500.034270][ T10] netlink_unicast+0x449/0x710 [ 2500.034270][ T10] netlink_sendmsg+0x723/0xbe0 [ 2500.034270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2500.034270][ T10] ___sys_sendmsg+0xee/0x170 [ 2500.034270][ T10] __sys_sendmsg+0xcd/0x170 [ 2500.034270][ T10] do_syscall_64+0xc6/0x1e0 [ 2500.034270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2500.034270][ T10] [ 2500.036483][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2500.036483][ T10] netdev_get_by_index+0x5e/0x80 [ 2500.036483][ T10] fib6_nh_init+0x3d8/0x1580 [ 2500.036483][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2500.036483][ T10] ip6_route_add+0x1c/0x140 [ 2500.036483][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2500.036483][ T10] addrconf_add_dev+0xe2/0x170 [ 2500.036483][ T10] inet6_addr_add+0x12f/0xa40 [ 2500.036483][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2500.036483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2500.036483][ T10] netlink_rcv_skb+0x130/0x360 [ 2500.036483][ T10] netlink_unicast+0x449/0x710 [ 2500.036483][ T10] netlink_sendmsg+0x723/0xbe0 [ 2500.036483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2500.036483][ T10] ___sys_sendmsg+0xee/0x170 [ 2500.036483][ T10] __sys_sendmsg+0xcd/0x170 [ 2500.036483][ T10] do_syscall_64+0xc6/0x1e0 [ 2500.036483][ T10] [ 2500.038802][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2500.038802][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2500.038802][ T10] ipv6_find_idev+0x102/0x170 [ 2500.038802][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2500.038802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2500.038802][ T10] netlink_rcv_skb+0x130/0x360 [ 2500.038802][ T10] netlink_unicast+0x449/0x710 [ 2500.038802][ T10] netlink_sendmsg+0x723/0xbe0 [ 2500.038802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2500.038802][ T10] ___sys_sendmsg+0xee/0x170 [ 2500.038802][ T10] __sys_sendmsg+0xcd/0x170 [ 2500.038802][ T10] do_syscall_64+0xc6/0x1e0 [ 2500.038802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2500.038802][ T10] [ 2500.040532][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2500.040532][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2500.040532][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2500.040532][ T10] ipv6_find_idev+0x102/0x170 [ 2500.040532][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2500.040532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2500.040532][ T10] netlink_rcv_skb+0x130/0x360 [ 2500.040532][ T10] netlink_unicast+0x449/0x710 [ 2500.040532][ T10] netlink_sendmsg+0x723/0xbe0 [ 2500.040532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2500.040532][ T10] ___sys_sendmsg+0xee/0x170 [ 2500.040532][ T10] __sys_sendmsg+0xcd/0x170 [ 2500.040532][ T10] do_syscall_64+0xc6/0x1e0 [ 2500.040532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2500.040532][ T10] [ 2503.361049][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2503.361545][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2503.361545][ T1167] dst_init+0x84/0x4a0 [ 2503.361545][ T1167] dst_alloc+0x97/0x150 [ 2503.361545][ T1167] ip6_dst_alloc+0x23/0x90 [ 2503.361545][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2503.361545][ T1167] ip6_pol_route+0x56f/0x840 [ 2503.361545][ T1167] fib6_rule_lookup+0x334/0x630 [ 2503.361545][ T1167] ip6_route_output_flags+0x259/0x480 [ 2503.361545][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2503.361545][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2503.361545][ T1167] netlink_rcv_skb+0x130/0x360 [ 2503.361545][ T1167] netlink_unicast+0x449/0x710 [ 2503.361545][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2503.361545][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2503.361545][ T1167] ___sys_sendmsg+0xee/0x170 [ 2503.361545][ T1167] __sys_sendmsg+0xcd/0x170 [ 2503.361545][ T1167] do_syscall_64+0xc6/0x1e0 [ 2503.361545][ T1167] [ 2503.363736][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2503.363736][ T1167] netdev_get_by_index+0x5e/0x80 [ 2503.363736][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2503.363736][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2503.363736][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2503.363736][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2503.363736][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2503.363736][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2503.363736][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2503.363736][ T1167] addrconf_dad_begin+0x310/0x670 [ 2503.363736][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2503.363736][ T1167] process_one_work+0x84d/0x18a0 [ 2503.363736][ T1167] worker_thread+0x587/0xd30 [ 2503.363736][ T1167] kthread+0x28a/0x350 [ 2503.363736][ T1167] ret_from_fork+0x31/0x70 [ 2503.363736][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2503.363736][ T1167] [ 2503.365905][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2503.365905][ T1167] netdev_get_by_index+0x5e/0x80 [ 2503.365905][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2503.365905][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2503.365905][ T1167] ip6_route_add+0x1c/0x140 [ 2503.365905][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2503.365905][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2503.365905][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2503.365905][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.365905][ T1167] netlink_rcv_skb+0x130/0x360 [ 2503.365905][ T1167] netlink_unicast+0x449/0x710 [ 2503.365905][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2503.365905][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2503.365905][ T1167] ___sys_sendmsg+0xee/0x170 [ 2503.365905][ T1167] __sys_sendmsg+0xcd/0x170 [ 2503.365905][ T1167] do_syscall_64+0xc6/0x1e0 [ 2503.365905][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.365905][ T1167] [ 2503.368182][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2503.368182][ T1167] netdev_get_by_index+0x5e/0x80 [ 2503.368182][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2503.368182][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2503.368182][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2503.368182][ T1167] ipv6_add_addr+0x411/0x2000 [ 2503.368182][ T1167] inet6_addr_add+0x30e/0xa40 [ 2503.368182][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2503.368182][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.368182][ T1167] netlink_rcv_skb+0x130/0x360 [ 2503.368182][ T1167] netlink_unicast+0x449/0x710 [ 2503.368182][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2503.368182][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2503.368182][ T1167] ___sys_sendmsg+0xee/0x170 [ 2503.368182][ T1167] __sys_sendmsg+0xcd/0x170 [ 2503.368182][ T1167] do_syscall_64+0xc6/0x1e0 [ 2503.368182][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.368182][ T1167] [ 2503.370440][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2503.370440][ T1167] netdev_get_by_index+0x5e/0x80 [ 2503.370440][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2503.370440][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2503.370440][ T1167] ip6_route_add+0x1c/0x140 [ 2503.370440][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2503.370440][ T1167] addrconf_add_dev+0xe2/0x170 [ 2503.370440][ T1167] inet6_addr_add+0x12f/0xa40 [ 2503.370440][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2503.370440][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.370440][ T1167] netlink_rcv_skb+0x130/0x360 [ 2503.370440][ T1167] netlink_unicast+0x449/0x710 [ 2503.370440][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2503.370440][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2503.370440][ T1167] ___sys_sendmsg+0xee/0x170 [ 2503.370440][ T1167] __sys_sendmsg+0xcd/0x170 [ 2503.370440][ T1167] do_syscall_64+0xc6/0x1e0 [ 2503.370440][ T1167] [ 2503.372642][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2503.372642][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2503.372642][ T1167] ipv6_find_idev+0x102/0x170 [ 2503.372642][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2503.372642][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.372642][ T1167] netlink_rcv_skb+0x130/0x360 [ 2503.372642][ T1167] netlink_unicast+0x449/0x710 [ 2503.372642][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2503.372642][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2503.372642][ T1167] ___sys_sendmsg+0xee/0x170 [ 2503.372642][ T1167] __sys_sendmsg+0xcd/0x170 [ 2503.372642][ T1167] do_syscall_64+0xc6/0x1e0 [ 2503.372642][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.372642][ T1167] [ 2503.374374][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2503.374374][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2503.374374][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2503.374374][ T1167] ipv6_find_idev+0x102/0x170 [ 2503.374374][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2503.374374][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.374374][ T1167] netlink_rcv_skb+0x130/0x360 [ 2503.374374][ T1167] netlink_unicast+0x449/0x710 [ 2503.374374][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2503.374374][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2503.374374][ T1167] ___sys_sendmsg+0xee/0x170 [ 2503.374374][ T1167] __sys_sendmsg+0xcd/0x170 [ 2503.374374][ T1167] do_syscall_64+0xc6/0x1e0 [ 2503.374374][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.374374][ T1167] [ 2510.297047][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2510.297423][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2510.297423][ T10] netdev_get_by_index+0x5e/0x80 [ 2510.297423][ T10] fib6_nh_init+0x3d8/0x1580 [ 2510.297423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2510.297423][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2510.297423][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2510.297423][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2510.297423][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2510.297423][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2510.297423][ T10] addrconf_dad_begin+0x310/0x670 [ 2510.297423][ T10] addrconf_dad_work+0x10b/0xab0 [ 2510.297423][ T10] process_one_work+0x84d/0x18a0 [ 2510.297423][ T10] worker_thread+0x587/0xd30 [ 2510.297423][ T10] kthread+0x28a/0x350 [ 2510.297423][ T10] ret_from_fork+0x31/0x70 [ 2510.297423][ T10] ret_from_fork_asm+0x1a/0x30 [ 2510.297423][ T10] [ 2510.299506][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2510.299506][ T10] netdev_get_by_index+0x5e/0x80 [ 2510.299506][ T10] fib6_nh_init+0x3d8/0x1580 [ 2510.299506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2510.299506][ T10] ip6_route_add+0x1c/0x140 [ 2510.299506][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2510.299506][ T10] inet6_addr_add+0x4f8/0xa40 [ 2510.299506][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2510.299506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2510.299506][ T10] netlink_rcv_skb+0x130/0x360 [ 2510.299506][ T10] netlink_unicast+0x449/0x710 [ 2510.299506][ T10] netlink_sendmsg+0x723/0xbe0 [ 2510.299506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2510.299506][ T10] ___sys_sendmsg+0xee/0x170 [ 2510.299506][ T10] __sys_sendmsg+0xcd/0x170 [ 2510.299506][ T10] do_syscall_64+0xc6/0x1e0 [ 2510.299506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2510.299506][ T10] [ 2510.301518][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2510.301518][ T10] netdev_get_by_index+0x5e/0x80 [ 2510.301518][ T10] fib6_nh_init+0x3d8/0x1580 [ 2510.301518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2510.301518][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2510.301518][ T10] ipv6_add_addr+0x411/0x2000 [ 2510.301518][ T10] inet6_addr_add+0x30e/0xa40 [ 2510.301518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2510.301518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2510.301518][ T10] netlink_rcv_skb+0x130/0x360 [ 2510.301518][ T10] netlink_unicast+0x449/0x710 [ 2510.301518][ T10] netlink_sendmsg+0x723/0xbe0 [ 2510.301518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2510.301518][ T10] ___sys_sendmsg+0xee/0x170 [ 2510.301518][ T10] __sys_sendmsg+0xcd/0x170 [ 2510.301518][ T10] do_syscall_64+0xc6/0x1e0 [ 2510.301518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2510.301518][ T10] [ 2510.303531][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2510.303531][ T10] netdev_get_by_index+0x5e/0x80 [ 2510.303531][ T10] fib6_nh_init+0x3d8/0x1580 [ 2510.303531][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2510.303531][ T10] ip6_route_add+0x1c/0x140 [ 2510.303531][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2510.303531][ T10] addrconf_add_dev+0xe2/0x170 [ 2510.303531][ T10] inet6_addr_add+0x12f/0xa40 [ 2510.303531][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2510.303531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2510.303531][ T10] netlink_rcv_skb+0x130/0x360 [ 2510.303531][ T10] netlink_unicast+0x449/0x710 [ 2510.303531][ T10] netlink_sendmsg+0x723/0xbe0 [ 2510.303531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2510.303531][ T10] ___sys_sendmsg+0xee/0x170 [ 2510.303531][ T10] __sys_sendmsg+0xcd/0x170 [ 2510.303531][ T10] do_syscall_64+0xc6/0x1e0 [ 2510.303531][ T10] [ 2510.305516][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2510.305516][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2510.305516][ T10] ipv6_find_idev+0x102/0x170 [ 2510.305516][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2510.305516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2510.305516][ T10] netlink_rcv_skb+0x130/0x360 [ 2510.305516][ T10] netlink_unicast+0x449/0x710 [ 2510.305516][ T10] netlink_sendmsg+0x723/0xbe0 [ 2510.305516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2510.305516][ T10] ___sys_sendmsg+0xee/0x170 [ 2510.305516][ T10] __sys_sendmsg+0xcd/0x170 [ 2510.305516][ T10] do_syscall_64+0xc6/0x1e0 [ 2510.305516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2510.305516][ T10] [ 2510.307077][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2510.307077][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2510.307077][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2510.307077][ T10] ipv6_find_idev+0x102/0x170 [ 2510.307077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2510.307077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2510.307077][ T10] netlink_rcv_skb+0x130/0x360 [ 2510.307077][ T10] netlink_unicast+0x449/0x710 [ 2510.307077][ T10] netlink_sendmsg+0x723/0xbe0 [ 2510.307077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2510.307077][ T10] ___sys_sendmsg+0xee/0x170 [ 2510.307077][ T10] __sys_sendmsg+0xcd/0x170 [ 2510.307077][ T10] do_syscall_64+0xc6/0x1e0 [ 2510.307077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2510.307077][ T10] [ 2510.308789][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2510.309036][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2510.309036][ T10] netdev_get_by_index+0x5e/0x80 [ 2510.309036][ T10] fib6_nh_init+0x3d8/0x1580 [ 2510.309036][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2510.309036][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2510.309036][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2510.309036][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2510.309036][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2510.309036][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2510.309036][ T10] addrconf_dad_begin+0x310/0x670 [ 2510.309036][ T10] addrconf_dad_work+0x10b/0xab0 [ 2510.309036][ T10] process_one_work+0x84d/0x18a0 [ 2510.309036][ T10] worker_thread+0x587/0xd30 [ 2510.309036][ T10] kthread+0x28a/0x350 [ 2510.309036][ T10] ret_from_fork+0x31/0x70 [ 2510.309036][ T10] ret_from_fork_asm+0x1a/0x30 [ 2510.309036][ T10] [ 2510.310956][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2510.310956][ T10] netdev_get_by_index+0x5e/0x80 [ 2510.310956][ T10] fib6_nh_init+0x3d8/0x1580 [ 2510.310956][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2510.310956][ T10] ip6_route_add+0x1c/0x140 [ 2510.310956][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2510.310956][ T10] inet6_addr_add+0x4f8/0xa40 [ 2510.310956][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2510.310956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2510.310956][ T10] netlink_rcv_skb+0x130/0x360 [ 2510.310956][ T10] netlink_unicast+0x449/0x710 [ 2510.310956][ T10] netlink_sendmsg+0x723/0xbe0 [ 2510.310956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2510.310956][ T10] ___sys_sendmsg+0xee/0x170 [ 2510.310956][ T10] __sys_sendmsg+0xcd/0x170 [ 2510.310956][ T10] do_syscall_64+0xc6/0x1e0 [ 2510.310956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2510.310956][ T10] [ 2510.312994][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2510.312994][ T10] netdev_get_by_index+0x5e/0x80 [ 2510.312994][ T10] fib6_nh_init+0x3d8/0x1580 [ 2510.312994][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2510.312994][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2510.312994][ T10] ipv6_add_addr+0x411/0x2000 [ 2510.312994][ T10] inet6_addr_add+0x30e/0xa40 [ 2510.312994][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2510.312994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2510.312994][ T10] netlink_rcv_skb+0x130/0x360 [ 2510.312994][ T10] netlink_unicast+0x449/0x710 [ 2510.312994][ T10] netlink_sendmsg+0x723/0xbe0 [ 2510.312994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2510.312994][ T10] ___sys_sendmsg+0xee/0x170 [ 2510.312994][ T10] __sys_sendmsg+0xcd/0x170 [ 2510.312994][ T10] do_syscall_64+0xc6/0x1e0 [ 2510.312994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2510.312994][ T10] [ 2510.315004][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2510.315004][ T10] netdev_get_by_index+0x5e/0x80 [ 2510.315004][ T10] fib6_nh_init+0x3d8/0x1580 [ 2510.315004][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2510.315004][ T10] ip6_route_add+0x1c/0x140 [ 2510.315004][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2510.315004][ T10] addrconf_add_dev+0xe2/0x170 [ 2510.315004][ T10] inet6_addr_add+0x12f/0xa40 [ 2510.315004][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2510.315004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2510.315004][ T10] netlink_rcv_skb+0x130/0x360 [ 2510.315004][ T10] netlink_unicast+0x449/0x710 [ 2510.315004][ T10] netlink_sendmsg+0x723/0xbe0 [ 2510.315004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2510.315004][ T10] ___sys_sendmsg+0xee/0x170 [ 2510.315004][ T10] __sys_sendmsg+0xcd/0x170 [ 2510.315004][ T10] do_syscall_64+0xc6/0x1e0 [ 2510.315004][ T10] [ 2510.317003][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2510.317003][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2510.317003][ T10] ipv6_find_idev+0x102/0x170 [ 2510.317003][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2510.317003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2510.317003][ T10] netlink_rcv_skb+0x130/0x360 [ 2510.317003][ T10] netlink_unicast+0x449/0x710 [ 2510.317003][ T10] netlink_sendmsg+0x723/0xbe0 [ 2510.317003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2510.317003][ T10] ___sys_sendmsg+0xee/0x170 [ 2510.317003][ T10] __sys_sendmsg+0xcd/0x170 [ 2510.317003][ T10] do_syscall_64+0xc6/0x1e0 [ 2510.317003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2510.317003][ T10] [ 2510.318548][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2510.318548][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2510.318548][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2510.318548][ T10] ipv6_find_idev+0x102/0x170 [ 2510.318548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2510.318548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2510.318548][ T10] netlink_rcv_skb+0x130/0x360 [ 2510.318548][ T10] netlink_unicast+0x449/0x710 [ 2510.318548][ T10] netlink_sendmsg+0x723/0xbe0 [ 2510.318548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2510.318548][ T10] ___sys_sendmsg+0xee/0x170 [ 2510.318548][ T10] __sys_sendmsg+0xcd/0x170 [ 2510.318548][ T10] do_syscall_64+0xc6/0x1e0 [ 2510.318548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2510.318548][ T10] [ 2510.320242][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2510.320489][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2510.320489][ T10] netdev_get_by_index+0x5e/0x80 [ 2510.320489][ T10] fib6_nh_init+0x3d8/0x1580 [ 2510.320489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2510.320489][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2510.320489][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2510.320489][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2510.320489][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2510.320489][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2510.320489][ T10] addrconf_dad_begin+0x310/0x670 [ 2510.320489][ T10] addrconf_dad_work+0x10b/0xab0 [ 2510.320489][ T10] process_one_work+0x84d/0x18a0 [ 2510.320489][ T10] worker_thread+0x587/0xd30 [ 2510.320489][ T10] kthread+0x28a/0x350 [ 2510.320489][ T10] ret_from_fork+0x31/0x70 [ 2510.320489][ T10] ret_from_fork_asm+0x1a/0x30 [ 2510.320489][ T10] [ 2510.322412][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2510.322412][ T10] netdev_get_by_index+0x5e/0x80 [ 2510.322412][ T10] fib6_nh_init+0x3d8/0x1580 [ 2510.322412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2510.322412][ T10] ip6_route_add+0x1c/0x140 [ 2510.322412][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2510.322412][ T10] inet6_addr_add+0x4f8/0xa40 [ 2510.322412][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2510.322412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2510.322412][ T10] netlink_rcv_skb+0x130/0x360 [ 2510.322412][ T10] netlink_unicast+0x449/0x710 [ 2510.322412][ T10] netlink_sendmsg+0x723/0xbe0 [ 2510.322412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2510.322412][ T10] ___sys_sendmsg+0xee/0x170 [ 2510.322412][ T10] __sys_sendmsg+0xcd/0x170 [ 2510.322412][ T10] do_syscall_64+0xc6/0x1e0 [ 2510.322412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2510.322412][ T10] [ 2510.324602][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2510.324602][ T10] netdev_get_by_index+0x5e/0x80 [ 2510.324602][ T10] fib6_nh_init+0x3d8/0x1580 [ 2510.324602][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2510.324602][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2510.324602][ T10] ipv6_add_addr+0x411/0x2000 [ 2510.324602][ T10] inet6_addr_add+0x30e/0xa40 [ 2510.324602][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2510.324602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2510.324602][ T10] netlink_rcv_skb+0x130/0x360 [ 2510.324602][ T10] netlink_unicast+0x449/0x710 [ 2510.324602][ T10] netlink_sendmsg+0x723/0xbe0 [ 2510.324602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2510.324602][ T10] ___sys_sendmsg+0xee/0x170 [ 2510.324602][ T10] __sys_sendmsg+0xcd/0x170 [ 2510.324602][ T10] do_syscall_64+0xc6/0x1e0 [ 2510.324602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2510.324602][ T10] [ 2510.326857][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2510.326857][ T10] netdev_get_by_index+0x5e/0x80 [ 2510.326857][ T10] fib6_nh_init+0x3d8/0x1580 [ 2510.326857][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2510.326857][ T10] ip6_route_add+0x1c/0x140 [ 2510.326857][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2510.326857][ T10] addrconf_add_dev+0xe2/0x170 [ 2510.326857][ T10] inet6_addr_add+0x12f/0xa40 [ 2510.326857][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2510.326857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2510.326857][ T10] netlink_rcv_skb+0x130/0x360 [ 2510.326857][ T10] netlink_unicast+0x449/0x710 [ 2510.326857][ T10] netlink_sendmsg+0x723/0xbe0 [ 2510.326857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2510.326857][ T10] ___sys_sendmsg+0xee/0x170 [ 2510.326857][ T10] __sys_sendmsg+0xcd/0x170 [ 2510.326857][ T10] do_syscall_64+0xc6/0x1e0 [ 2510.326857][ T10] [ 2510.329064][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2510.329064][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2510.329064][ T10] ipv6_find_idev+0x102/0x170 [ 2510.329064][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2510.329064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2510.329064][ T10] netlink_rcv_skb+0x130/0x360 [ 2510.329064][ T10] netlink_unicast+0x449/0x710 [ 2510.329064][ T10] netlink_sendmsg+0x723/0xbe0 [ 2510.329064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2510.329064][ T10] ___sys_sendmsg+0xee/0x170 [ 2510.329064][ T10] __sys_sendmsg+0xcd/0x170 [ 2510.329064][ T10] do_syscall_64+0xc6/0x1e0 [ 2510.329064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2510.329064][ T10] [ 2510.330855][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2510.330855][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2510.330855][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2510.330855][ T10] ipv6_find_idev+0x102/0x170 [ 2510.330855][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2510.330855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2510.330855][ T10] netlink_rcv_skb+0x130/0x360 [ 2510.330855][ T10] netlink_unicast+0x449/0x710 [ 2510.330855][ T10] netlink_sendmsg+0x723/0xbe0 [ 2510.330855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2510.330855][ T10] ___sys_sendmsg+0xee/0x170 [ 2510.330855][ T10] __sys_sendmsg+0xcd/0x170 [ 2510.330855][ T10] do_syscall_64+0xc6/0x1e0 [ 2510.330855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2510.330855][ T10] [ 2510.332738][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2510.332975][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2510.332975][ T10] netdev_get_by_index+0x5e/0x80 [ 2510.332975][ T10] fib6_nh_init+0x3d8/0x1580 [ 2510.332975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2510.332975][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2510.332975][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2510.332975][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2510.332975][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2510.332975][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2510.332975][ T10] addrconf_dad_begin+0x310/0x670 [ 2510.332975][ T10] addrconf_dad_work+0x10b/0xab0 [ 2510.332975][ T10] process_one_work+0x84d/0x18a0 [ 2510.332975][ T10] worker_thread+0x587/0xd30 [ 2510.332975][ T10] kthread+0x28a/0x350 [ 2510.332975][ T10] ret_from_fork+0x31/0x70 [ 2510.332975][ T10] ret_from_fork_asm+0x1a/0x30 [ 2510.332975][ T10] [ 2510.335129][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2510.335129][ T10] netdev_get_by_index+0x5e/0x80 [ 2510.335129][ T10] fib6_nh_init+0x3d8/0x1580 [ 2510.335129][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2510.335129][ T10] ip6_route_add+0x1c/0x140 [ 2510.335129][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2510.335129][ T10] inet6_addr_add+0x4f8/0xa40 [ 2510.335129][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2510.335129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2510.335129][ T10] netlink_rcv_skb+0x130/0x360 [ 2510.335129][ T10] netlink_unicast+0x449/0x710 [ 2510.335129][ T10] netlink_sendmsg+0x723/0xbe0 [ 2510.335129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2510.335129][ T10] ___sys_sendmsg+0xee/0x170 [ 2510.335129][ T10] __sys_sendmsg+0xcd/0x170 [ 2510.335129][ T10] do_syscall_64+0xc6/0x1e0 [ 2510.335129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2510.335129][ T10] [ 2510.337379][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2510.337379][ T10] netdev_get_by_index+0x5e/0x80 [ 2510.337379][ T10] fib6_nh_init+0x3d8/0x1580 [ 2510.337379][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2510.337379][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2510.337379][ T10] ipv6_add_addr+0x411/0x2000 [ 2510.337379][ T10] inet6_addr_add+0x30e/0xa40 [ 2510.337379][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2510.337379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2510.337379][ T10] netlink_rcv_skb+0x130/0x360 [ 2510.337379][ T10] netlink_unicast+0x449/0x710 [ 2510.337379][ T10] netlink_sendmsg+0x723/0xbe0 [ 2510.337379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2510.337379][ T10] ___sys_sendmsg+0xee/0x170 [ 2510.337379][ T10] __sys_sendmsg+0xcd/0x170 [ 2510.337379][ T10] do_syscall_64+0xc6/0x1e0 [ 2510.337379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2510.337379][ T10] [ 2510.339792][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2510.339792][ T10] netdev_get_by_index+0x5e/0x80 [ 2510.339792][ T10] fib6_nh_init+0x3d8/0x1580 [ 2510.339792][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2510.339792][ T10] ip6_route_add+0x1c/0x140 [ 2510.339792][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2510.339792][ T10] addrconf_add_dev+0xe2/0x170 [ 2510.339792][ T10] inet6_addr_add+0x12f/0xa40 [ 2510.339792][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2510.339792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2510.339792][ T10] netlink_rcv_skb+0x130/0x360 [ 2510.339792][ T10] netlink_unicast+0x449/0x710 [ 2510.339792][ T10] netlink_sendmsg+0x723/0xbe0 [ 2510.339792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2510.339792][ T10] ___sys_sendmsg+0xee/0x170 [ 2510.339792][ T10] __sys_sendmsg+0xcd/0x170 [ 2510.339792][ T10] do_syscall_64+0xc6/0x1e0 [ 2510.339792][ T10] [ 2510.341938][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2510.341938][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2510.341938][ T10] ipv6_find_idev+0x102/0x170 [ 2510.341938][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2510.341938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2510.341938][ T10] netlink_rcv_skb+0x130/0x360 [ 2510.341938][ T10] netlink_unicast+0x449/0x710 [ 2510.341938][ T10] netlink_sendmsg+0x723/0xbe0 [ 2510.341938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2510.341938][ T10] ___sys_sendmsg+0xee/0x170 [ 2510.341938][ T10] __sys_sendmsg+0xcd/0x170 [ 2510.341938][ T10] do_syscall_64+0xc6/0x1e0 [ 2510.341938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2510.341938][ T10] [ 2510.343661][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2510.343661][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2510.343661][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2510.343661][ T10] ipv6_find_idev+0x102/0x170 [ 2510.343661][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2510.343661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2510.343661][ T10] netlink_rcv_skb+0x130/0x360 [ 2510.343661][ T10] netlink_unicast+0x449/0x710 [ 2510.343661][ T10] netlink_sendmsg+0x723/0xbe0 [ 2510.343661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2510.343661][ T10] ___sys_sendmsg+0xee/0x170 [ 2510.343661][ T10] __sys_sendmsg+0xcd/0x170 [ 2510.343661][ T10] do_syscall_64+0xc6/0x1e0 [ 2510.343661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2510.343661][ T10] [ 2513.617095][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2513.617589][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2513.617589][ T1167] dst_init+0x84/0x4a0 [ 2513.617589][ T1167] dst_alloc+0x97/0x150 [ 2513.617589][ T1167] ip6_dst_alloc+0x23/0x90 [ 2513.617589][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2513.617589][ T1167] ip6_pol_route+0x56f/0x840 [ 2513.617589][ T1167] fib6_rule_lookup+0x334/0x630 [ 2513.617589][ T1167] ip6_route_output_flags+0x259/0x480 [ 2513.617589][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2513.617589][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2513.617589][ T1167] netlink_rcv_skb+0x130/0x360 [ 2513.617589][ T1167] netlink_unicast+0x449/0x710 [ 2513.617589][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2513.617589][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2513.617589][ T1167] ___sys_sendmsg+0xee/0x170 [ 2513.617589][ T1167] __sys_sendmsg+0xcd/0x170 [ 2513.617589][ T1167] do_syscall_64+0xc6/0x1e0 [ 2513.617589][ T1167] [ 2513.619782][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2513.619782][ T1167] netdev_get_by_index+0x5e/0x80 [ 2513.619782][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2513.619782][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2513.619782][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2513.619782][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2513.619782][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2513.619782][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2513.619782][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2513.619782][ T1167] addrconf_dad_begin+0x310/0x670 [ 2513.619782][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2513.619782][ T1167] process_one_work+0x84d/0x18a0 [ 2513.619782][ T1167] worker_thread+0x587/0xd30 [ 2513.619782][ T1167] kthread+0x28a/0x350 [ 2513.619782][ T1167] ret_from_fork+0x31/0x70 [ 2513.619782][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2513.619782][ T1167] [ 2513.621918][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2513.621918][ T1167] netdev_get_by_index+0x5e/0x80 [ 2513.621918][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2513.621918][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2513.621918][ T1167] ip6_route_add+0x1c/0x140 [ 2513.621918][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2513.621918][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2513.621918][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2513.621918][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.621918][ T1167] netlink_rcv_skb+0x130/0x360 [ 2513.621918][ T1167] netlink_unicast+0x449/0x710 [ 2513.621918][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2513.621918][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2513.621918][ T1167] ___sys_sendmsg+0xee/0x170 [ 2513.621918][ T1167] __sys_sendmsg+0xcd/0x170 [ 2513.621918][ T1167] do_syscall_64+0xc6/0x1e0 [ 2513.621918][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2513.621918][ T1167] [ 2513.624155][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2513.624155][ T1167] netdev_get_by_index+0x5e/0x80 [ 2513.624155][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2513.624155][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2513.624155][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2513.624155][ T1167] ipv6_add_addr+0x411/0x2000 [ 2513.624155][ T1167] inet6_addr_add+0x30e/0xa40 [ 2513.624155][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2513.624155][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.624155][ T1167] netlink_rcv_skb+0x130/0x360 [ 2513.624155][ T1167] netlink_unicast+0x449/0x710 [ 2513.624155][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2513.624155][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2513.624155][ T1167] ___sys_sendmsg+0xee/0x170 [ 2513.624155][ T1167] __sys_sendmsg+0xcd/0x170 [ 2513.624155][ T1167] do_syscall_64+0xc6/0x1e0 [ 2513.624155][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2513.624155][ T1167] [ 2513.626410][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2513.626410][ T1167] netdev_get_by_index+0x5e/0x80 [ 2513.626410][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2513.626410][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2513.626410][ T1167] ip6_route_add+0x1c/0x140 [ 2513.626410][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2513.626410][ T1167] addrconf_add_dev+0xe2/0x170 [ 2513.626410][ T1167] inet6_addr_add+0x12f/0xa40 [ 2513.626410][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2513.626410][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.626410][ T1167] netlink_rcv_skb+0x130/0x360 [ 2513.626410][ T1167] netlink_unicast+0x449/0x710 [ 2513.626410][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2513.626410][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2513.626410][ T1167] ___sys_sendmsg+0xee/0x170 [ 2513.626410][ T1167] __sys_sendmsg+0xcd/0x170 [ 2513.626410][ T1167] do_syscall_64+0xc6/0x1e0 [ 2513.626410][ T1167] [ 2513.628599][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2513.628599][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2513.628599][ T1167] ipv6_find_idev+0x102/0x170 [ 2513.628599][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2513.628599][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.628599][ T1167] netlink_rcv_skb+0x130/0x360 [ 2513.628599][ T1167] netlink_unicast+0x449/0x710 [ 2513.628599][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2513.628599][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2513.628599][ T1167] ___sys_sendmsg+0xee/0x170 [ 2513.628599][ T1167] __sys_sendmsg+0xcd/0x170 [ 2513.628599][ T1167] do_syscall_64+0xc6/0x1e0 [ 2513.628599][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2513.628599][ T1167] [ 2513.630311][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2513.630311][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2513.630311][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2513.630311][ T1167] ipv6_find_idev+0x102/0x170 [ 2513.630311][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2513.630311][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.630311][ T1167] netlink_rcv_skb+0x130/0x360 [ 2513.630311][ T1167] netlink_unicast+0x449/0x710 [ 2513.630311][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2513.630311][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2513.630311][ T1167] ___sys_sendmsg+0xee/0x170 [ 2513.630311][ T1167] __sys_sendmsg+0xcd/0x170 [ 2513.630311][ T1167] do_syscall_64+0xc6/0x1e0 [ 2513.630311][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2513.630311][ T1167] [ 2520.585145][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2520.585512][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2520.585512][ T10] netdev_get_by_index+0x5e/0x80 [ 2520.585512][ T10] fib6_nh_init+0x3d8/0x1580 [ 2520.585512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2520.585512][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2520.585512][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2520.585512][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2520.585512][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2520.585512][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2520.585512][ T10] addrconf_dad_begin+0x310/0x670 [ 2520.585512][ T10] addrconf_dad_work+0x10b/0xab0 [ 2520.585512][ T10] process_one_work+0x84d/0x18a0 [ 2520.585512][ T10] worker_thread+0x587/0xd30 [ 2520.585512][ T10] kthread+0x28a/0x350 [ 2520.585512][ T10] ret_from_fork+0x31/0x70 [ 2520.585512][ T10] ret_from_fork_asm+0x1a/0x30 [ 2520.585512][ T10] [ 2520.587462][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2520.587462][ T10] netdev_get_by_index+0x5e/0x80 [ 2520.587462][ T10] fib6_nh_init+0x3d8/0x1580 [ 2520.587462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2520.587462][ T10] ip6_route_add+0x1c/0x140 [ 2520.587462][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2520.587462][ T10] inet6_addr_add+0x4f8/0xa40 [ 2520.587462][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2520.587462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2520.587462][ T10] netlink_rcv_skb+0x130/0x360 [ 2520.587462][ T10] netlink_unicast+0x449/0x710 [ 2520.587462][ T10] netlink_sendmsg+0x723/0xbe0 [ 2520.587462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2520.587462][ T10] ___sys_sendmsg+0xee/0x170 [ 2520.587462][ T10] __sys_sendmsg+0xcd/0x170 [ 2520.587462][ T10] do_syscall_64+0xc6/0x1e0 [ 2520.587462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2520.587462][ T10] [ 2520.589487][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2520.589487][ T10] netdev_get_by_index+0x5e/0x80 [ 2520.589487][ T10] fib6_nh_init+0x3d8/0x1580 [ 2520.589487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2520.589487][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2520.589487][ T10] ipv6_add_addr+0x411/0x2000 [ 2520.589487][ T10] inet6_addr_add+0x30e/0xa40 [ 2520.589487][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2520.589487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2520.589487][ T10] netlink_rcv_skb+0x130/0x360 [ 2520.589487][ T10] netlink_unicast+0x449/0x710 [ 2520.589487][ T10] netlink_sendmsg+0x723/0xbe0 [ 2520.589487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2520.589487][ T10] ___sys_sendmsg+0xee/0x170 [ 2520.589487][ T10] __sys_sendmsg+0xcd/0x170 [ 2520.589487][ T10] do_syscall_64+0xc6/0x1e0 [ 2520.589487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2520.589487][ T10] [ 2520.591500][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2520.591500][ T10] netdev_get_by_index+0x5e/0x80 [ 2520.591500][ T10] fib6_nh_init+0x3d8/0x1580 [ 2520.591500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2520.591500][ T10] ip6_route_add+0x1c/0x140 [ 2520.591500][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2520.591500][ T10] addrconf_add_dev+0xe2/0x170 [ 2520.591500][ T10] inet6_addr_add+0x12f/0xa40 [ 2520.591500][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2520.591500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2520.591500][ T10] netlink_rcv_skb+0x130/0x360 [ 2520.591500][ T10] netlink_unicast+0x449/0x710 [ 2520.591500][ T10] netlink_sendmsg+0x723/0xbe0 [ 2520.591500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2520.591500][ T10] ___sys_sendmsg+0xee/0x170 [ 2520.591500][ T10] __sys_sendmsg+0xcd/0x170 [ 2520.591500][ T10] do_syscall_64+0xc6/0x1e0 [ 2520.591500][ T10] [ 2520.593472][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2520.593472][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2520.593472][ T10] ipv6_find_idev+0x102/0x170 [ 2520.593472][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2520.593472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2520.593472][ T10] netlink_rcv_skb+0x130/0x360 [ 2520.593472][ T10] netlink_unicast+0x449/0x710 [ 2520.593472][ T10] netlink_sendmsg+0x723/0xbe0 [ 2520.593472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2520.593472][ T10] ___sys_sendmsg+0xee/0x170 [ 2520.593472][ T10] __sys_sendmsg+0xcd/0x170 [ 2520.593472][ T10] do_syscall_64+0xc6/0x1e0 [ 2520.593472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2520.593472][ T10] [ 2520.595048][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2520.595048][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2520.595048][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2520.595048][ T10] ipv6_find_idev+0x102/0x170 [ 2520.595048][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2520.595048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2520.595048][ T10] netlink_rcv_skb+0x130/0x360 [ 2520.595048][ T10] netlink_unicast+0x449/0x710 [ 2520.595048][ T10] netlink_sendmsg+0x723/0xbe0 [ 2520.595048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2520.595048][ T10] ___sys_sendmsg+0xee/0x170 [ 2520.595048][ T10] __sys_sendmsg+0xcd/0x170 [ 2520.595048][ T10] do_syscall_64+0xc6/0x1e0 [ 2520.595048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2520.595048][ T10] [ 2520.596758][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2520.597007][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2520.597007][ T10] netdev_get_by_index+0x5e/0x80 [ 2520.597007][ T10] fib6_nh_init+0x3d8/0x1580 [ 2520.597007][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2520.597007][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2520.597007][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2520.597007][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2520.597007][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2520.597007][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2520.597007][ T10] addrconf_dad_begin+0x310/0x670 [ 2520.597007][ T10] addrconf_dad_work+0x10b/0xab0 [ 2520.597007][ T10] process_one_work+0x84d/0x18a0 [ 2520.597007][ T10] worker_thread+0x587/0xd30 [ 2520.597007][ T10] kthread+0x28a/0x350 [ 2520.597007][ T10] ret_from_fork+0x31/0x70 [ 2520.597007][ T10] ret_from_fork_asm+0x1a/0x30 [ 2520.597007][ T10] [ 2520.598914][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2520.598914][ T10] netdev_get_by_index+0x5e/0x80 [ 2520.598914][ T10] fib6_nh_init+0x3d8/0x1580 [ 2520.598914][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2520.598914][ T10] ip6_route_add+0x1c/0x140 [ 2520.598914][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2520.598914][ T10] inet6_addr_add+0x4f8/0xa40 [ 2520.598914][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2520.598914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2520.598914][ T10] netlink_rcv_skb+0x130/0x360 [ 2520.598914][ T10] netlink_unicast+0x449/0x710 [ 2520.598914][ T10] netlink_sendmsg+0x723/0xbe0 [ 2520.598914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2520.598914][ T10] ___sys_sendmsg+0xee/0x170 [ 2520.598914][ T10] __sys_sendmsg+0xcd/0x170 [ 2520.598914][ T10] do_syscall_64+0xc6/0x1e0 [ 2520.598914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2520.598914][ T10] [ 2520.600917][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2520.600917][ T10] netdev_get_by_index+0x5e/0x80 [ 2520.600917][ T10] fib6_nh_init+0x3d8/0x1580 [ 2520.600917][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2520.600917][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2520.600917][ T10] ipv6_add_addr+0x411/0x2000 [ 2520.600917][ T10] inet6_addr_add+0x30e/0xa40 [ 2520.600917][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2520.600917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2520.600917][ T10] netlink_rcv_skb+0x130/0x360 [ 2520.600917][ T10] netlink_unicast+0x449/0x710 [ 2520.600917][ T10] netlink_sendmsg+0x723/0xbe0 [ 2520.600917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2520.600917][ T10] ___sys_sendmsg+0xee/0x170 [ 2520.600917][ T10] __sys_sendmsg+0xcd/0x170 [ 2520.600917][ T10] do_syscall_64+0xc6/0x1e0 [ 2520.600917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2520.600917][ T10] [ 2520.602920][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2520.602920][ T10] netdev_get_by_index+0x5e/0x80 [ 2520.602920][ T10] fib6_nh_init+0x3d8/0x1580 [ 2520.602920][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2520.602920][ T10] ip6_route_add+0x1c/0x140 [ 2520.602920][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2520.602920][ T10] addrconf_add_dev+0xe2/0x170 [ 2520.602920][ T10] inet6_addr_add+0x12f/0xa40 [ 2520.602920][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2520.602920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2520.602920][ T10] netlink_rcv_skb+0x130/0x360 [ 2520.602920][ T10] netlink_unicast+0x449/0x710 [ 2520.602920][ T10] netlink_sendmsg+0x723/0xbe0 [ 2520.602920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2520.602920][ T10] ___sys_sendmsg+0xee/0x170 [ 2520.602920][ T10] __sys_sendmsg+0xcd/0x170 [ 2520.602920][ T10] do_syscall_64+0xc6/0x1e0 [ 2520.602920][ T10] [ 2520.604894][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2520.604894][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2520.604894][ T10] ipv6_find_idev+0x102/0x170 [ 2520.604894][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2520.604894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2520.604894][ T10] netlink_rcv_skb+0x130/0x360 [ 2520.604894][ T10] netlink_unicast+0x449/0x710 [ 2520.604894][ T10] netlink_sendmsg+0x723/0xbe0 [ 2520.604894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2520.604894][ T10] ___sys_sendmsg+0xee/0x170 [ 2520.604894][ T10] __sys_sendmsg+0xcd/0x170 [ 2520.604894][ T10] do_syscall_64+0xc6/0x1e0 [ 2520.604894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2520.604894][ T10] [ 2520.606445][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2520.606445][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2520.606445][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2520.606445][ T10] ipv6_find_idev+0x102/0x170 [ 2520.606445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2520.606445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2520.606445][ T10] netlink_rcv_skb+0x130/0x360 [ 2520.606445][ T10] netlink_unicast+0x449/0x710 [ 2520.606445][ T10] netlink_sendmsg+0x723/0xbe0 [ 2520.606445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2520.606445][ T10] ___sys_sendmsg+0xee/0x170 [ 2520.606445][ T10] __sys_sendmsg+0xcd/0x170 [ 2520.606445][ T10] do_syscall_64+0xc6/0x1e0 [ 2520.606445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2520.606445][ T10] [ 2520.608175][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2520.608418][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2520.608418][ T10] netdev_get_by_index+0x5e/0x80 [ 2520.608418][ T10] fib6_nh_init+0x3d8/0x1580 [ 2520.608418][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2520.608418][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2520.608418][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2520.608418][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2520.608418][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2520.608418][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2520.608418][ T10] addrconf_dad_begin+0x310/0x670 [ 2520.608418][ T10] addrconf_dad_work+0x10b/0xab0 [ 2520.608418][ T10] process_one_work+0x84d/0x18a0 [ 2520.608418][ T10] worker_thread+0x587/0xd30 [ 2520.608418][ T10] kthread+0x28a/0x350 [ 2520.608418][ T10] ret_from_fork+0x31/0x70 [ 2520.608418][ T10] ret_from_fork_asm+0x1a/0x30 [ 2520.608418][ T10] [ 2520.610337][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2520.610337][ T10] netdev_get_by_index+0x5e/0x80 [ 2520.610337][ T10] fib6_nh_init+0x3d8/0x1580 [ 2520.610337][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2520.610337][ T10] ip6_route_add+0x1c/0x140 [ 2520.610337][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2520.610337][ T10] inet6_addr_add+0x4f8/0xa40 [ 2520.610337][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2520.610337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2520.610337][ T10] netlink_rcv_skb+0x130/0x360 [ 2520.610337][ T10] netlink_unicast+0x449/0x710 [ 2520.610337][ T10] netlink_sendmsg+0x723/0xbe0 [ 2520.610337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2520.610337][ T10] ___sys_sendmsg+0xee/0x170 [ 2520.610337][ T10] __sys_sendmsg+0xcd/0x170 [ 2520.610337][ T10] do_syscall_64+0xc6/0x1e0 [ 2520.610337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2520.610337][ T10] [ 2520.612552][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2520.612552][ T10] netdev_get_by_index+0x5e/0x80 [ 2520.612552][ T10] fib6_nh_init+0x3d8/0x1580 [ 2520.612552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2520.612552][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2520.612552][ T10] ipv6_add_addr+0x411/0x2000 [ 2520.612552][ T10] inet6_addr_add+0x30e/0xa40 [ 2520.612552][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2520.612552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2520.612552][ T10] netlink_rcv_skb+0x130/0x360 [ 2520.612552][ T10] netlink_unicast+0x449/0x710 [ 2520.612552][ T10] netlink_sendmsg+0x723/0xbe0 [ 2520.612552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2520.612552][ T10] ___sys_sendmsg+0xee/0x170 [ 2520.612552][ T10] __sys_sendmsg+0xcd/0x170 [ 2520.612552][ T10] do_syscall_64+0xc6/0x1e0 [ 2520.612552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2520.612552][ T10] [ 2520.614816][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2520.614816][ T10] netdev_get_by_index+0x5e/0x80 [ 2520.614816][ T10] fib6_nh_init+0x3d8/0x1580 [ 2520.614816][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2520.614816][ T10] ip6_route_add+0x1c/0x140 [ 2520.614816][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2520.614816][ T10] addrconf_add_dev+0xe2/0x170 [ 2520.614816][ T10] inet6_addr_add+0x12f/0xa40 [ 2520.614816][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2520.614816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2520.614816][ T10] netlink_rcv_skb+0x130/0x360 [ 2520.614816][ T10] netlink_unicast+0x449/0x710 [ 2520.614816][ T10] netlink_sendmsg+0x723/0xbe0 [ 2520.614816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2520.614816][ T10] ___sys_sendmsg+0xee/0x170 [ 2520.614816][ T10] __sys_sendmsg+0xcd/0x170 [ 2520.614816][ T10] do_syscall_64+0xc6/0x1e0 [ 2520.614816][ T10] [ 2520.617096][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2520.617096][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2520.617096][ T10] ipv6_find_idev+0x102/0x170 [ 2520.617096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2520.617096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2520.617096][ T10] netlink_rcv_skb+0x130/0x360 [ 2520.617096][ T10] netlink_unicast+0x449/0x710 [ 2520.617096][ T10] netlink_sendmsg+0x723/0xbe0 [ 2520.617096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2520.617096][ T10] ___sys_sendmsg+0xee/0x170 [ 2520.617096][ T10] __sys_sendmsg+0xcd/0x170 [ 2520.617096][ T10] do_syscall_64+0xc6/0x1e0 [ 2520.617096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2520.617096][ T10] [ 2520.618827][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2520.618827][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2520.618827][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2520.618827][ T10] ipv6_find_idev+0x102/0x170 [ 2520.618827][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2520.618827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2520.618827][ T10] netlink_rcv_skb+0x130/0x360 [ 2520.618827][ T10] netlink_unicast+0x449/0x710 [ 2520.618827][ T10] netlink_sendmsg+0x723/0xbe0 [ 2520.618827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2520.618827][ T10] ___sys_sendmsg+0xee/0x170 [ 2520.618827][ T10] __sys_sendmsg+0xcd/0x170 [ 2520.618827][ T10] do_syscall_64+0xc6/0x1e0 [ 2520.618827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2520.618827][ T10] [ 2520.620710][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2520.620951][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2520.620951][ T10] netdev_get_by_index+0x5e/0x80 [ 2520.620951][ T10] fib6_nh_init+0x3d8/0x1580 [ 2520.620951][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2520.620951][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2520.620951][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2520.620951][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2520.620951][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2520.620951][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2520.620951][ T10] addrconf_dad_begin+0x310/0x670 [ 2520.620951][ T10] addrconf_dad_work+0x10b/0xab0 [ 2520.620951][ T10] process_one_work+0x84d/0x18a0 [ 2520.620951][ T10] worker_thread+0x587/0xd30 [ 2520.620951][ T10] kthread+0x28a/0x350 [ 2520.620951][ T10] ret_from_fork+0x31/0x70 [ 2520.620951][ T10] ret_from_fork_asm+0x1a/0x30 [ 2520.620951][ T10] [ 2520.623112][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2520.623112][ T10] netdev_get_by_index+0x5e/0x80 [ 2520.623112][ T10] fib6_nh_init+0x3d8/0x1580 [ 2520.623112][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2520.623112][ T10] ip6_route_add+0x1c/0x140 [ 2520.623112][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2520.623112][ T10] inet6_addr_add+0x4f8/0xa40 [ 2520.623112][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2520.623112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2520.623112][ T10] netlink_rcv_skb+0x130/0x360 [ 2520.623112][ T10] netlink_unicast+0x449/0x710 [ 2520.623112][ T10] netlink_sendmsg+0x723/0xbe0 [ 2520.623112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2520.623112][ T10] ___sys_sendmsg+0xee/0x170 [ 2520.623112][ T10] __sys_sendmsg+0xcd/0x170 [ 2520.623112][ T10] do_syscall_64+0xc6/0x1e0 [ 2520.623112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2520.623112][ T10] [ 2520.625414][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2520.625414][ T10] netdev_get_by_index+0x5e/0x80 [ 2520.625414][ T10] fib6_nh_init+0x3d8/0x1580 [ 2520.625414][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2520.625414][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2520.625414][ T10] ipv6_add_addr+0x411/0x2000 [ 2520.625414][ T10] inet6_addr_add+0x30e/0xa40 [ 2520.625414][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2520.625414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2520.625414][ T10] netlink_rcv_skb+0x130/0x360 [ 2520.625414][ T10] netlink_unicast+0x449/0x710 [ 2520.625414][ T10] netlink_sendmsg+0x723/0xbe0 [ 2520.625414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2520.625414][ T10] ___sys_sendmsg+0xee/0x170 [ 2520.625414][ T10] __sys_sendmsg+0xcd/0x170 [ 2520.625414][ T10] do_syscall_64+0xc6/0x1e0 [ 2520.625414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2520.625414][ T10] [ 2520.627660][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2520.627660][ T10] netdev_get_by_index+0x5e/0x80 [ 2520.627660][ T10] fib6_nh_init+0x3d8/0x1580 [ 2520.627660][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2520.627660][ T10] ip6_route_add+0x1c/0x140 [ 2520.627660][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2520.627660][ T10] addrconf_add_dev+0xe2/0x170 [ 2520.627660][ T10] inet6_addr_add+0x12f/0xa40 [ 2520.627660][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2520.627660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2520.627660][ T10] netlink_rcv_skb+0x130/0x360 [ 2520.627660][ T10] netlink_unicast+0x449/0x710 [ 2520.627660][ T10] netlink_sendmsg+0x723/0xbe0 [ 2520.627660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2520.627660][ T10] ___sys_sendmsg+0xee/0x170 [ 2520.627660][ T10] __sys_sendmsg+0xcd/0x170 [ 2520.627660][ T10] do_syscall_64+0xc6/0x1e0 [ 2520.627660][ T10] [ 2520.629815][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2520.629815][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2520.629815][ T10] ipv6_find_idev+0x102/0x170 [ 2520.629815][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2520.629815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2520.629815][ T10] netlink_rcv_skb+0x130/0x360 [ 2520.629815][ T10] netlink_unicast+0x449/0x710 [ 2520.629815][ T10] netlink_sendmsg+0x723/0xbe0 [ 2520.629815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2520.629815][ T10] ___sys_sendmsg+0xee/0x170 [ 2520.629815][ T10] __sys_sendmsg+0xcd/0x170 [ 2520.629815][ T10] do_syscall_64+0xc6/0x1e0 [ 2520.629815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2520.629815][ T10] [ 2520.631585][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2520.631585][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2520.631585][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2520.631585][ T10] ipv6_find_idev+0x102/0x170 [ 2520.631585][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2520.631585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2520.631585][ T10] netlink_rcv_skb+0x130/0x360 [ 2520.631585][ T10] netlink_unicast+0x449/0x710 [ 2520.631585][ T10] netlink_sendmsg+0x723/0xbe0 [ 2520.631585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2520.631585][ T10] ___sys_sendmsg+0xee/0x170 [ 2520.631585][ T10] __sys_sendmsg+0xcd/0x170 [ 2520.631585][ T10] do_syscall_64+0xc6/0x1e0 [ 2520.631585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2520.631585][ T10] [ 2523.873074][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2523.873504][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2523.873504][ T1167] dst_init+0x84/0x4a0 [ 2523.873504][ T1167] dst_alloc+0x97/0x150 [ 2523.873504][ T1167] ip6_dst_alloc+0x23/0x90 [ 2523.873504][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2523.873504][ T1167] ip6_pol_route+0x56f/0x840 [ 2523.873504][ T1167] fib6_rule_lookup+0x334/0x630 [ 2523.873504][ T1167] ip6_route_output_flags+0x259/0x480 [ 2523.873504][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2523.873504][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2523.873504][ T1167] netlink_rcv_skb+0x130/0x360 [ 2523.873504][ T1167] netlink_unicast+0x449/0x710 [ 2523.873504][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2523.873504][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2523.873504][ T1167] ___sys_sendmsg+0xee/0x170 [ 2523.873504][ T1167] __sys_sendmsg+0xcd/0x170 [ 2523.873504][ T1167] do_syscall_64+0xc6/0x1e0 [ 2523.873504][ T1167] [ 2523.875804][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2523.875804][ T1167] netdev_get_by_index+0x5e/0x80 [ 2523.875804][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2523.875804][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2523.875804][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2523.875804][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2523.875804][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2523.875804][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2523.875804][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2523.875804][ T1167] addrconf_dad_begin+0x310/0x670 [ 2523.875804][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2523.875804][ T1167] process_one_work+0x84d/0x18a0 [ 2523.875804][ T1167] worker_thread+0x587/0xd30 [ 2523.875804][ T1167] kthread+0x28a/0x350 [ 2523.875804][ T1167] ret_from_fork+0x31/0x70 [ 2523.875804][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2523.875804][ T1167] [ 2523.877986][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2523.877986][ T1167] netdev_get_by_index+0x5e/0x80 [ 2523.877986][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2523.877986][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2523.877986][ T1167] ip6_route_add+0x1c/0x140 [ 2523.877986][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2523.877986][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2523.877986][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2523.877986][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.877986][ T1167] netlink_rcv_skb+0x130/0x360 [ 2523.877986][ T1167] netlink_unicast+0x449/0x710 [ 2523.877986][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2523.877986][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2523.877986][ T1167] ___sys_sendmsg+0xee/0x170 [ 2523.877986][ T1167] __sys_sendmsg+0xcd/0x170 [ 2523.877986][ T1167] do_syscall_64+0xc6/0x1e0 [ 2523.877986][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.877986][ T1167] [ 2523.880212][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2523.880212][ T1167] netdev_get_by_index+0x5e/0x80 [ 2523.880212][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2523.880212][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2523.880212][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2523.880212][ T1167] ipv6_add_addr+0x411/0x2000 [ 2523.880212][ T1167] inet6_addr_add+0x30e/0xa40 [ 2523.880212][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2523.880212][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.880212][ T1167] netlink_rcv_skb+0x130/0x360 [ 2523.880212][ T1167] netlink_unicast+0x449/0x710 [ 2523.880212][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2523.880212][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2523.880212][ T1167] ___sys_sendmsg+0xee/0x170 [ 2523.880212][ T1167] __sys_sendmsg+0xcd/0x170 [ 2523.880212][ T1167] do_syscall_64+0xc6/0x1e0 [ 2523.880212][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.880212][ T1167] [ 2523.882451][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2523.882451][ T1167] netdev_get_by_index+0x5e/0x80 [ 2523.882451][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2523.882451][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2523.882451][ T1167] ip6_route_add+0x1c/0x140 [ 2523.882451][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2523.882451][ T1167] addrconf_add_dev+0xe2/0x170 [ 2523.882451][ T1167] inet6_addr_add+0x12f/0xa40 [ 2523.882451][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2523.882451][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.882451][ T1167] netlink_rcv_skb+0x130/0x360 [ 2523.882451][ T1167] netlink_unicast+0x449/0x710 [ 2523.882451][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2523.882451][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2523.882451][ T1167] ___sys_sendmsg+0xee/0x170 [ 2523.882451][ T1167] __sys_sendmsg+0xcd/0x170 [ 2523.882451][ T1167] do_syscall_64+0xc6/0x1e0 [ 2523.882451][ T1167] [ 2523.884657][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2523.884657][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2523.884657][ T1167] ipv6_find_idev+0x102/0x170 [ 2523.884657][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2523.884657][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.884657][ T1167] netlink_rcv_skb+0x130/0x360 [ 2523.884657][ T1167] netlink_unicast+0x449/0x710 [ 2523.884657][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2523.884657][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2523.884657][ T1167] ___sys_sendmsg+0xee/0x170 [ 2523.884657][ T1167] __sys_sendmsg+0xcd/0x170 [ 2523.884657][ T1167] do_syscall_64+0xc6/0x1e0 [ 2523.884657][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.884657][ T1167] [ 2523.886389][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2523.886389][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2523.886389][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2523.886389][ T1167] ipv6_find_idev+0x102/0x170 [ 2523.886389][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2523.886389][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.886389][ T1167] netlink_rcv_skb+0x130/0x360 [ 2523.886389][ T1167] netlink_unicast+0x449/0x710 [ 2523.886389][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2523.886389][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2523.886389][ T1167] ___sys_sendmsg+0xee/0x170 [ 2523.886389][ T1167] __sys_sendmsg+0xcd/0x170 [ 2523.886389][ T1167] do_syscall_64+0xc6/0x1e0 [ 2523.886389][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.886389][ T1167] [ 2530.873070][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2530.873495][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2530.873495][ T10] netdev_get_by_index+0x5e/0x80 [ 2530.873495][ T10] fib6_nh_init+0x3d8/0x1580 [ 2530.873495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2530.873495][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2530.873495][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2530.873495][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2530.873495][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2530.873495][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2530.873495][ T10] addrconf_dad_begin+0x310/0x670 [ 2530.873495][ T10] addrconf_dad_work+0x10b/0xab0 [ 2530.873495][ T10] process_one_work+0x84d/0x18a0 [ 2530.873495][ T10] worker_thread+0x587/0xd30 [ 2530.873495][ T10] kthread+0x28a/0x350 [ 2530.873495][ T10] ret_from_fork+0x31/0x70 [ 2530.873495][ T10] ret_from_fork_asm+0x1a/0x30 [ 2530.873495][ T10] [ 2530.875446][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2530.875446][ T10] netdev_get_by_index+0x5e/0x80 [ 2530.875446][ T10] fib6_nh_init+0x3d8/0x1580 [ 2530.875446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2530.875446][ T10] ip6_route_add+0x1c/0x140 [ 2530.875446][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2530.875446][ T10] inet6_addr_add+0x4f8/0xa40 [ 2530.875446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2530.875446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2530.875446][ T10] netlink_rcv_skb+0x130/0x360 [ 2530.875446][ T10] netlink_unicast+0x449/0x710 [ 2530.875446][ T10] netlink_sendmsg+0x723/0xbe0 [ 2530.875446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2530.875446][ T10] ___sys_sendmsg+0xee/0x170 [ 2530.875446][ T10] __sys_sendmsg+0xcd/0x170 [ 2530.875446][ T10] do_syscall_64+0xc6/0x1e0 [ 2530.875446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2530.875446][ T10] [ 2530.877468][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2530.877468][ T10] netdev_get_by_index+0x5e/0x80 [ 2530.877468][ T10] fib6_nh_init+0x3d8/0x1580 [ 2530.877468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2530.877468][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2530.877468][ T10] ipv6_add_addr+0x411/0x2000 [ 2530.877468][ T10] inet6_addr_add+0x30e/0xa40 [ 2530.877468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2530.877468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2530.877468][ T10] netlink_rcv_skb+0x130/0x360 [ 2530.877468][ T10] netlink_unicast+0x449/0x710 [ 2530.877468][ T10] netlink_sendmsg+0x723/0xbe0 [ 2530.877468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2530.877468][ T10] ___sys_sendmsg+0xee/0x170 [ 2530.877468][ T10] __sys_sendmsg+0xcd/0x170 [ 2530.877468][ T10] do_syscall_64+0xc6/0x1e0 [ 2530.877468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2530.877468][ T10] [ 2530.879493][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2530.879493][ T10] netdev_get_by_index+0x5e/0x80 [ 2530.879493][ T10] fib6_nh_init+0x3d8/0x1580 [ 2530.879493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2530.879493][ T10] ip6_route_add+0x1c/0x140 [ 2530.879493][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2530.879493][ T10] addrconf_add_dev+0xe2/0x170 [ 2530.879493][ T10] inet6_addr_add+0x12f/0xa40 [ 2530.879493][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2530.879493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2530.879493][ T10] netlink_rcv_skb+0x130/0x360 [ 2530.879493][ T10] netlink_unicast+0x449/0x710 [ 2530.879493][ T10] netlink_sendmsg+0x723/0xbe0 [ 2530.879493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2530.879493][ T10] ___sys_sendmsg+0xee/0x170 [ 2530.879493][ T10] __sys_sendmsg+0xcd/0x170 [ 2530.879493][ T10] do_syscall_64+0xc6/0x1e0 [ 2530.879493][ T10] [ 2530.881469][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2530.881469][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2530.881469][ T10] ipv6_find_idev+0x102/0x170 [ 2530.881469][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2530.881469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2530.881469][ T10] netlink_rcv_skb+0x130/0x360 [ 2530.881469][ T10] netlink_unicast+0x449/0x710 [ 2530.881469][ T10] netlink_sendmsg+0x723/0xbe0 [ 2530.881469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2530.881469][ T10] ___sys_sendmsg+0xee/0x170 [ 2530.881469][ T10] __sys_sendmsg+0xcd/0x170 [ 2530.881469][ T10] do_syscall_64+0xc6/0x1e0 [ 2530.881469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2530.881469][ T10] [ 2530.883115][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2530.883115][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2530.883115][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2530.883115][ T10] ipv6_find_idev+0x102/0x170 [ 2530.883115][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2530.883115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2530.883115][ T10] netlink_rcv_skb+0x130/0x360 [ 2530.883115][ T10] netlink_unicast+0x449/0x710 [ 2530.883115][ T10] netlink_sendmsg+0x723/0xbe0 [ 2530.883115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2530.883115][ T10] ___sys_sendmsg+0xee/0x170 [ 2530.883115][ T10] __sys_sendmsg+0xcd/0x170 [ 2530.883115][ T10] do_syscall_64+0xc6/0x1e0 [ 2530.883115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2530.883115][ T10] [ 2530.884830][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2530.885092][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2530.885092][ T10] netdev_get_by_index+0x5e/0x80 [ 2530.885092][ T10] fib6_nh_init+0x3d8/0x1580 [ 2530.885092][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2530.885092][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2530.885092][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2530.885092][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2530.885092][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2530.885092][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2530.885092][ T10] addrconf_dad_begin+0x310/0x670 [ 2530.885092][ T10] addrconf_dad_work+0x10b/0xab0 [ 2530.885092][ T10] process_one_work+0x84d/0x18a0 [ 2530.885092][ T10] worker_thread+0x587/0xd30 [ 2530.885092][ T10] kthread+0x28a/0x350 [ 2530.885092][ T10] ret_from_fork+0x31/0x70 [ 2530.885092][ T10] ret_from_fork_asm+0x1a/0x30 [ 2530.885092][ T10] [ 2530.887011][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2530.887011][ T10] netdev_get_by_index+0x5e/0x80 [ 2530.887011][ T10] fib6_nh_init+0x3d8/0x1580 [ 2530.887011][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2530.887011][ T10] ip6_route_add+0x1c/0x140 [ 2530.887011][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2530.887011][ T10] inet6_addr_add+0x4f8/0xa40 [ 2530.887011][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2530.887011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2530.887011][ T10] netlink_rcv_skb+0x130/0x360 [ 2530.887011][ T10] netlink_unicast+0x449/0x710 [ 2530.887011][ T10] netlink_sendmsg+0x723/0xbe0 [ 2530.887011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2530.887011][ T10] ___sys_sendmsg+0xee/0x170 [ 2530.887011][ T10] __sys_sendmsg+0xcd/0x170 [ 2530.887011][ T10] do_syscall_64+0xc6/0x1e0 [ 2530.887011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2530.887011][ T10] [ 2530.889017][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2530.889017][ T10] netdev_get_by_index+0x5e/0x80 [ 2530.889017][ T10] fib6_nh_init+0x3d8/0x1580 [ 2530.889017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2530.889017][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2530.889017][ T10] ipv6_add_addr+0x411/0x2000 [ 2530.889017][ T10] inet6_addr_add+0x30e/0xa40 [ 2530.889017][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2530.889017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2530.889017][ T10] netlink_rcv_skb+0x130/0x360 [ 2530.889017][ T10] netlink_unicast+0x449/0x710 [ 2530.889017][ T10] netlink_sendmsg+0x723/0xbe0 [ 2530.889017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2530.889017][ T10] ___sys_sendmsg+0xee/0x170 [ 2530.889017][ T10] __sys_sendmsg+0xcd/0x170 [ 2530.889017][ T10] do_syscall_64+0xc6/0x1e0 [ 2530.889017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2530.889017][ T10] [ 2530.891017][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2530.891017][ T10] netdev_get_by_index+0x5e/0x80 [ 2530.891017][ T10] fib6_nh_init+0x3d8/0x1580 [ 2530.891017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2530.891017][ T10] ip6_route_add+0x1c/0x140 [ 2530.891017][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2530.891017][ T10] addrconf_add_dev+0xe2/0x170 [ 2530.891017][ T10] inet6_addr_add+0x12f/0xa40 [ 2530.891017][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2530.891017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2530.891017][ T10] netlink_rcv_skb+0x130/0x360 [ 2530.891017][ T10] netlink_unicast+0x449/0x710 [ 2530.891017][ T10] netlink_sendmsg+0x723/0xbe0 [ 2530.891017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2530.891017][ T10] ___sys_sendmsg+0xee/0x170 [ 2530.891017][ T10] __sys_sendmsg+0xcd/0x170 [ 2530.891017][ T10] do_syscall_64+0xc6/0x1e0 [ 2530.891017][ T10] [ 2530.892994][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2530.892994][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2530.892994][ T10] ipv6_find_idev+0x102/0x170 [ 2530.892994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2530.892994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2530.892994][ T10] netlink_rcv_skb+0x130/0x360 [ 2530.892994][ T10] netlink_unicast+0x449/0x710 [ 2530.892994][ T10] netlink_sendmsg+0x723/0xbe0 [ 2530.892994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2530.892994][ T10] ___sys_sendmsg+0xee/0x170 [ 2530.892994][ T10] __sys_sendmsg+0xcd/0x170 [ 2530.892994][ T10] do_syscall_64+0xc6/0x1e0 [ 2530.892994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2530.892994][ T10] [ 2530.894539][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2530.894539][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2530.894539][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2530.894539][ T10] ipv6_find_idev+0x102/0x170 [ 2530.894539][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2530.894539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2530.894539][ T10] netlink_rcv_skb+0x130/0x360 [ 2530.894539][ T10] netlink_unicast+0x449/0x710 [ 2530.894539][ T10] netlink_sendmsg+0x723/0xbe0 [ 2530.894539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2530.894539][ T10] ___sys_sendmsg+0xee/0x170 [ 2530.894539][ T10] __sys_sendmsg+0xcd/0x170 [ 2530.894539][ T10] do_syscall_64+0xc6/0x1e0 [ 2530.894539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2530.894539][ T10] [ 2530.896238][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2530.896492][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2530.896492][ T10] netdev_get_by_index+0x5e/0x80 [ 2530.896492][ T10] fib6_nh_init+0x3d8/0x1580 [ 2530.896492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2530.896492][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2530.896492][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2530.896492][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2530.896492][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2530.896492][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2530.896492][ T10] addrconf_dad_begin+0x310/0x670 [ 2530.896492][ T10] addrconf_dad_work+0x10b/0xab0 [ 2530.896492][ T10] process_one_work+0x84d/0x18a0 [ 2530.896492][ T10] worker_thread+0x587/0xd30 [ 2530.896492][ T10] kthread+0x28a/0x350 [ 2530.896492][ T10] ret_from_fork+0x31/0x70 [ 2530.896492][ T10] ret_from_fork_asm+0x1a/0x30 [ 2530.896492][ T10] [ 2530.898405][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2530.898405][ T10] netdev_get_by_index+0x5e/0x80 [ 2530.898405][ T10] fib6_nh_init+0x3d8/0x1580 [ 2530.898405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2530.898405][ T10] ip6_route_add+0x1c/0x140 [ 2530.898405][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2530.898405][ T10] inet6_addr_add+0x4f8/0xa40 [ 2530.898405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2530.898405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2530.898405][ T10] netlink_rcv_skb+0x130/0x360 [ 2530.898405][ T10] netlink_unicast+0x449/0x710 [ 2530.898405][ T10] netlink_sendmsg+0x723/0xbe0 [ 2530.898405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2530.898405][ T10] ___sys_sendmsg+0xee/0x170 [ 2530.898405][ T10] __sys_sendmsg+0xcd/0x170 [ 2530.898405][ T10] do_syscall_64+0xc6/0x1e0 [ 2530.898405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2530.898405][ T10] [ 2530.900547][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2530.900547][ T10] netdev_get_by_index+0x5e/0x80 [ 2530.900547][ T10] fib6_nh_init+0x3d8/0x1580 [ 2530.900547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2530.900547][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2530.900547][ T10] ipv6_add_addr+0x411/0x2000 [ 2530.900547][ T10] inet6_addr_add+0x30e/0xa40 [ 2530.900547][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2530.900547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2530.900547][ T10] netlink_rcv_skb+0x130/0x360 [ 2530.900547][ T10] netlink_unicast+0x449/0x710 [ 2530.900547][ T10] netlink_sendmsg+0x723/0xbe0 [ 2530.900547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2530.900547][ T10] ___sys_sendmsg+0xee/0x170 [ 2530.900547][ T10] __sys_sendmsg+0xcd/0x170 [ 2530.900547][ T10] do_syscall_64+0xc6/0x1e0 [ 2530.900547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2530.900547][ T10] [ 2530.902677][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2530.902677][ T10] netdev_get_by_index+0x5e/0x80 [ 2530.902677][ T10] fib6_nh_init+0x3d8/0x1580 [ 2530.902677][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2530.902677][ T10] ip6_route_add+0x1c/0x140 [ 2530.902677][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2530.902677][ T10] addrconf_add_dev+0xe2/0x170 [ 2530.902677][ T10] inet6_addr_add+0x12f/0xa40 [ 2530.902677][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2530.902677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2530.902677][ T10] netlink_rcv_skb+0x130/0x360 [ 2530.902677][ T10] netlink_unicast+0x449/0x710 [ 2530.902677][ T10] netlink_sendmsg+0x723/0xbe0 [ 2530.902677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2530.902677][ T10] ___sys_sendmsg+0xee/0x170 [ 2530.902677][ T10] __sys_sendmsg+0xcd/0x170 [ 2530.902677][ T10] do_syscall_64+0xc6/0x1e0 [ 2530.902677][ T10] [ 2530.904794][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2530.904794][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2530.904794][ T10] ipv6_find_idev+0x102/0x170 [ 2530.904794][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2530.904794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2530.904794][ T10] netlink_rcv_skb+0x130/0x360 [ 2530.904794][ T10] netlink_unicast+0x449/0x710 [ 2530.904794][ T10] netlink_sendmsg+0x723/0xbe0 [ 2530.904794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2530.904794][ T10] ___sys_sendmsg+0xee/0x170 [ 2530.904794][ T10] __sys_sendmsg+0xcd/0x170 [ 2530.904794][ T10] do_syscall_64+0xc6/0x1e0 [ 2530.904794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2530.904794][ T10] [ 2530.906785][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2530.906785][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2530.906785][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2530.906785][ T10] ipv6_find_idev+0x102/0x170 [ 2530.906785][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2530.906785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2530.906785][ T10] netlink_rcv_skb+0x130/0x360 [ 2530.906785][ T10] netlink_unicast+0x449/0x710 [ 2530.906785][ T10] netlink_sendmsg+0x723/0xbe0 [ 2530.906785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2530.906785][ T10] ___sys_sendmsg+0xee/0x170 [ 2530.906785][ T10] __sys_sendmsg+0xcd/0x170 [ 2530.906785][ T10] do_syscall_64+0xc6/0x1e0 [ 2530.906785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2530.906785][ T10] [ 2530.908807][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2530.909513][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2530.909513][ T10] netdev_get_by_index+0x5e/0x80 [ 2530.909513][ T10] fib6_nh_init+0x3d8/0x1580 [ 2530.909513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2530.909513][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2530.909513][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2530.909513][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2530.909513][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2530.909513][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2530.909513][ T10] addrconf_dad_begin+0x310/0x670 [ 2530.909513][ T10] addrconf_dad_work+0x10b/0xab0 [ 2530.909513][ T10] process_one_work+0x84d/0x18a0 [ 2530.909513][ T10] worker_thread+0x587/0xd30 [ 2530.909513][ T10] kthread+0x28a/0x350 [ 2530.909513][ T10] ret_from_fork+0x31/0x70 [ 2530.909513][ T10] ret_from_fork_asm+0x1a/0x30 [ 2530.909513][ T10] [ 2530.911779][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2530.911779][ T10] netdev_get_by_index+0x5e/0x80 [ 2530.911779][ T10] fib6_nh_init+0x3d8/0x1580 [ 2530.911779][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2530.911779][ T10] ip6_route_add+0x1c/0x140 [ 2530.911779][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2530.911779][ T10] inet6_addr_add+0x4f8/0xa40 [ 2530.911779][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2530.911779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2530.911779][ T10] netlink_rcv_skb+0x130/0x360 [ 2530.911779][ T10] netlink_unicast+0x449/0x710 [ 2530.911779][ T10] netlink_sendmsg+0x723/0xbe0 [ 2530.911779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2530.911779][ T10] ___sys_sendmsg+0xee/0x170 [ 2530.911779][ T10] __sys_sendmsg+0xcd/0x170 [ 2530.911779][ T10] do_syscall_64+0xc6/0x1e0 [ 2530.911779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2530.911779][ T10] [ 2530.914204][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2530.914204][ T10] netdev_get_by_index+0x5e/0x80 [ 2530.914204][ T10] fib6_nh_init+0x3d8/0x1580 [ 2530.914204][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2530.914204][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2530.914204][ T10] ipv6_add_addr+0x411/0x2000 [ 2530.914204][ T10] inet6_addr_add+0x30e/0xa40 [ 2530.914204][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2530.914204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2530.914204][ T10] netlink_rcv_skb+0x130/0x360 [ 2530.914204][ T10] netlink_unicast+0x449/0x710 [ 2530.914204][ T10] netlink_sendmsg+0x723/0xbe0 [ 2530.914204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2530.914204][ T10] ___sys_sendmsg+0xee/0x170 [ 2530.914204][ T10] __sys_sendmsg+0xcd/0x170 [ 2530.914204][ T10] do_syscall_64+0xc6/0x1e0 [ 2530.914204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2530.914204][ T10] [ 2530.916733][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2530.916733][ T10] netdev_get_by_index+0x5e/0x80 [ 2530.916733][ T10] fib6_nh_init+0x3d8/0x1580 [ 2530.916733][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2530.916733][ T10] ip6_route_add+0x1c/0x140 [ 2530.916733][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2530.916733][ T10] addrconf_add_dev+0xe2/0x170 [ 2530.916733][ T10] inet6_addr_add+0x12f/0xa40 [ 2530.916733][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2530.916733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2530.916733][ T10] netlink_rcv_skb+0x130/0x360 [ 2530.916733][ T10] netlink_unicast+0x449/0x710 [ 2530.916733][ T10] netlink_sendmsg+0x723/0xbe0 [ 2530.916733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2530.916733][ T10] ___sys_sendmsg+0xee/0x170 [ 2530.916733][ T10] __sys_sendmsg+0xcd/0x170 [ 2530.916733][ T10] do_syscall_64+0xc6/0x1e0 [ 2530.916733][ T10] [ 2530.919230][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2530.919230][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2530.919230][ T10] ipv6_find_idev+0x102/0x170 [ 2530.919230][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2530.919230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2530.919230][ T10] netlink_rcv_skb+0x130/0x360 [ 2530.919230][ T10] netlink_unicast+0x449/0x710 [ 2530.919230][ T10] netlink_sendmsg+0x723/0xbe0 [ 2530.919230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2530.919230][ T10] ___sys_sendmsg+0xee/0x170 [ 2530.919230][ T10] __sys_sendmsg+0xcd/0x170 [ 2530.919230][ T10] do_syscall_64+0xc6/0x1e0 [ 2530.919230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2530.919230][ T10] [ 2530.921172][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2530.921172][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2530.921172][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2530.921172][ T10] ipv6_find_idev+0x102/0x170 [ 2530.921172][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2530.921172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2530.921172][ T10] netlink_rcv_skb+0x130/0x360 [ 2530.921172][ T10] netlink_unicast+0x449/0x710 [ 2530.921172][ T10] netlink_sendmsg+0x723/0xbe0 [ 2530.921172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2530.921172][ T10] ___sys_sendmsg+0xee/0x170 [ 2530.921172][ T10] __sys_sendmsg+0xcd/0x170 [ 2530.921172][ T10] do_syscall_64+0xc6/0x1e0 [ 2530.921172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2530.921172][ T10] [ 2534.137066][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2534.137484][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2534.137484][ T1167] dst_init+0x84/0x4a0 [ 2534.137484][ T1167] dst_alloc+0x97/0x150 [ 2534.137484][ T1167] ip6_dst_alloc+0x23/0x90 [ 2534.137484][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2534.137484][ T1167] ip6_pol_route+0x56f/0x840 [ 2534.137484][ T1167] fib6_rule_lookup+0x334/0x630 [ 2534.137484][ T1167] ip6_route_output_flags+0x259/0x480 [ 2534.137484][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2534.137484][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2534.137484][ T1167] netlink_rcv_skb+0x130/0x360 [ 2534.137484][ T1167] netlink_unicast+0x449/0x710 [ 2534.137484][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2534.137484][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2534.137484][ T1167] ___sys_sendmsg+0xee/0x170 [ 2534.137484][ T1167] __sys_sendmsg+0xcd/0x170 [ 2534.137484][ T1167] do_syscall_64+0xc6/0x1e0 [ 2534.137484][ T1167] [ 2534.139689][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2534.139689][ T1167] netdev_get_by_index+0x5e/0x80 [ 2534.139689][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2534.139689][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2534.139689][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2534.139689][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2534.139689][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2534.139689][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2534.139689][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2534.139689][ T1167] addrconf_dad_begin+0x310/0x670 [ 2534.139689][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2534.139689][ T1167] process_one_work+0x84d/0x18a0 [ 2534.139689][ T1167] worker_thread+0x587/0xd30 [ 2534.139689][ T1167] kthread+0x28a/0x350 [ 2534.139689][ T1167] ret_from_fork+0x31/0x70 [ 2534.139689][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2534.139689][ T1167] [ 2534.141850][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2534.141850][ T1167] netdev_get_by_index+0x5e/0x80 [ 2534.141850][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2534.141850][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2534.141850][ T1167] ip6_route_add+0x1c/0x140 [ 2534.141850][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2534.141850][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2534.141850][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2534.141850][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2534.141850][ T1167] netlink_rcv_skb+0x130/0x360 [ 2534.141850][ T1167] netlink_unicast+0x449/0x710 [ 2534.141850][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2534.141850][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2534.141850][ T1167] ___sys_sendmsg+0xee/0x170 [ 2534.141850][ T1167] __sys_sendmsg+0xcd/0x170 [ 2534.141850][ T1167] do_syscall_64+0xc6/0x1e0 [ 2534.141850][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2534.141850][ T1167] [ 2534.144487][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2534.144487][ T1167] netdev_get_by_index+0x5e/0x80 [ 2534.144487][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2534.144487][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2534.144487][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2534.144487][ T1167] ipv6_add_addr+0x411/0x2000 [ 2534.144487][ T1167] inet6_addr_add+0x30e/0xa40 [ 2534.144487][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2534.144487][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2534.144487][ T1167] netlink_rcv_skb+0x130/0x360 [ 2534.144487][ T1167] netlink_unicast+0x449/0x710 [ 2534.144487][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2534.144487][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2534.144487][ T1167] ___sys_sendmsg+0xee/0x170 [ 2534.144487][ T1167] __sys_sendmsg+0xcd/0x170 [ 2534.144487][ T1167] do_syscall_64+0xc6/0x1e0 [ 2534.144487][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2534.144487][ T1167] [ 2534.147086][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2534.147086][ T1167] netdev_get_by_index+0x5e/0x80 [ 2534.147086][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2534.147086][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2534.147086][ T1167] ip6_route_add+0x1c/0x140 [ 2534.147086][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2534.147086][ T1167] addrconf_add_dev+0xe2/0x170 [ 2534.147086][ T1167] inet6_addr_add+0x12f/0xa40 [ 2534.147086][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2534.147086][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2534.147086][ T1167] netlink_rcv_skb+0x130/0x360 [ 2534.147086][ T1167] netlink_unicast+0x449/0x710 [ 2534.147086][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2534.147086][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2534.147086][ T1167] ___sys_sendmsg+0xee/0x170 [ 2534.147086][ T1167] __sys_sendmsg+0xcd/0x170 [ 2534.147086][ T1167] do_syscall_64+0xc6/0x1e0 [ 2534.147086][ T1167] [ 2534.149284][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2534.149284][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2534.149284][ T1167] ipv6_find_idev+0x102/0x170 [ 2534.149284][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2534.149284][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2534.149284][ T1167] netlink_rcv_skb+0x130/0x360 [ 2534.149284][ T1167] netlink_unicast+0x449/0x710 [ 2534.149284][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2534.149284][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2534.149284][ T1167] ___sys_sendmsg+0xee/0x170 [ 2534.149284][ T1167] __sys_sendmsg+0xcd/0x170 [ 2534.149284][ T1167] do_syscall_64+0xc6/0x1e0 [ 2534.149284][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2534.149284][ T1167] [ 2534.150996][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2534.150996][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2534.150996][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2534.150996][ T1167] ipv6_find_idev+0x102/0x170 [ 2534.150996][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2534.150996][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2534.150996][ T1167] netlink_rcv_skb+0x130/0x360 [ 2534.150996][ T1167] netlink_unicast+0x449/0x710 [ 2534.150996][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2534.150996][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2534.150996][ T1167] ___sys_sendmsg+0xee/0x170 [ 2534.150996][ T1167] __sys_sendmsg+0xcd/0x170 [ 2534.150996][ T1167] do_syscall_64+0xc6/0x1e0 [ 2534.150996][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2534.150996][ T1167] [ 2541.161128][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2541.161480][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2541.161480][ T10] netdev_get_by_index+0x5e/0x80 [ 2541.161480][ T10] fib6_nh_init+0x3d8/0x1580 [ 2541.161480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2541.161480][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2541.161480][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2541.161480][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2541.161480][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2541.161480][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2541.161480][ T10] addrconf_dad_begin+0x310/0x670 [ 2541.161480][ T10] addrconf_dad_work+0x10b/0xab0 [ 2541.161480][ T10] process_one_work+0x84d/0x18a0 [ 2541.161480][ T10] worker_thread+0x587/0xd30 [ 2541.161480][ T10] kthread+0x28a/0x350 [ 2541.161480][ T10] ret_from_fork+0x31/0x70 [ 2541.161480][ T10] ret_from_fork_asm+0x1a/0x30 [ 2541.161480][ T10] [ 2541.163494][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2541.163494][ T10] netdev_get_by_index+0x5e/0x80 [ 2541.163494][ T10] fib6_nh_init+0x3d8/0x1580 [ 2541.163494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2541.163494][ T10] ip6_route_add+0x1c/0x140 [ 2541.163494][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2541.163494][ T10] inet6_addr_add+0x4f8/0xa40 [ 2541.163494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2541.163494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2541.163494][ T10] netlink_rcv_skb+0x130/0x360 [ 2541.163494][ T10] netlink_unicast+0x449/0x710 [ 2541.163494][ T10] netlink_sendmsg+0x723/0xbe0 [ 2541.163494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2541.163494][ T10] ___sys_sendmsg+0xee/0x170 [ 2541.163494][ T10] __sys_sendmsg+0xcd/0x170 [ 2541.163494][ T10] do_syscall_64+0xc6/0x1e0 [ 2541.163494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2541.163494][ T10] [ 2541.165493][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2541.165493][ T10] netdev_get_by_index+0x5e/0x80 [ 2541.165493][ T10] fib6_nh_init+0x3d8/0x1580 [ 2541.165493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2541.165493][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2541.165493][ T10] ipv6_add_addr+0x411/0x2000 [ 2541.165493][ T10] inet6_addr_add+0x30e/0xa40 [ 2541.165493][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2541.165493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2541.165493][ T10] netlink_rcv_skb+0x130/0x360 [ 2541.165493][ T10] netlink_unicast+0x449/0x710 [ 2541.165493][ T10] netlink_sendmsg+0x723/0xbe0 [ 2541.165493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2541.165493][ T10] ___sys_sendmsg+0xee/0x170 [ 2541.165493][ T10] __sys_sendmsg+0xcd/0x170 [ 2541.165493][ T10] do_syscall_64+0xc6/0x1e0 [ 2541.165493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2541.165493][ T10] [ 2541.167498][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2541.167498][ T10] netdev_get_by_index+0x5e/0x80 [ 2541.167498][ T10] fib6_nh_init+0x3d8/0x1580 [ 2541.167498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2541.167498][ T10] ip6_route_add+0x1c/0x140 [ 2541.167498][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2541.167498][ T10] addrconf_add_dev+0xe2/0x170 [ 2541.167498][ T10] inet6_addr_add+0x12f/0xa40 [ 2541.167498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2541.167498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2541.167498][ T10] netlink_rcv_skb+0x130/0x360 [ 2541.167498][ T10] netlink_unicast+0x449/0x710 [ 2541.167498][ T10] netlink_sendmsg+0x723/0xbe0 [ 2541.167498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2541.167498][ T10] ___sys_sendmsg+0xee/0x170 [ 2541.167498][ T10] __sys_sendmsg+0xcd/0x170 [ 2541.167498][ T10] do_syscall_64+0xc6/0x1e0 [ 2541.167498][ T10] [ 2541.169462][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2541.169462][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2541.169462][ T10] ipv6_find_idev+0x102/0x170 [ 2541.169462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2541.169462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2541.169462][ T10] netlink_rcv_skb+0x130/0x360 [ 2541.169462][ T10] netlink_unicast+0x449/0x710 [ 2541.169462][ T10] netlink_sendmsg+0x723/0xbe0 [ 2541.169462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2541.169462][ T10] ___sys_sendmsg+0xee/0x170 [ 2541.169462][ T10] __sys_sendmsg+0xcd/0x170 [ 2541.169462][ T10] do_syscall_64+0xc6/0x1e0 [ 2541.169462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2541.169462][ T10] [ 2541.170990][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2541.170990][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2541.170990][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2541.170990][ T10] ipv6_find_idev+0x102/0x170 [ 2541.170990][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2541.170990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2541.170990][ T10] netlink_rcv_skb+0x130/0x360 [ 2541.170990][ T10] netlink_unicast+0x449/0x710 [ 2541.170990][ T10] netlink_sendmsg+0x723/0xbe0 [ 2541.170990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2541.170990][ T10] ___sys_sendmsg+0xee/0x170 [ 2541.170990][ T10] __sys_sendmsg+0xcd/0x170 [ 2541.170990][ T10] do_syscall_64+0xc6/0x1e0 [ 2541.170990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2541.170990][ T10] [ 2541.172673][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2541.172914][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2541.172914][ T10] netdev_get_by_index+0x5e/0x80 [ 2541.172914][ T10] fib6_nh_init+0x3d8/0x1580 [ 2541.172914][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2541.172914][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2541.172914][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2541.172914][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2541.172914][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2541.172914][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2541.172914][ T10] addrconf_dad_begin+0x310/0x670 [ 2541.172914][ T10] addrconf_dad_work+0x10b/0xab0 [ 2541.172914][ T10] process_one_work+0x84d/0x18a0 [ 2541.172914][ T10] worker_thread+0x587/0xd30 [ 2541.172914][ T10] kthread+0x28a/0x350 [ 2541.172914][ T10] ret_from_fork+0x31/0x70 [ 2541.172914][ T10] ret_from_fork_asm+0x1a/0x30 [ 2541.172914][ T10] [ 2541.174816][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2541.174816][ T10] netdev_get_by_index+0x5e/0x80 [ 2541.174816][ T10] fib6_nh_init+0x3d8/0x1580 [ 2541.174816][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2541.174816][ T10] ip6_route_add+0x1c/0x140 [ 2541.174816][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2541.174816][ T10] inet6_addr_add+0x4f8/0xa40 [ 2541.174816][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2541.174816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2541.174816][ T10] netlink_rcv_skb+0x130/0x360 [ 2541.174816][ T10] netlink_unicast+0x449/0x710 [ 2541.174816][ T10] netlink_sendmsg+0x723/0xbe0 [ 2541.174816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2541.174816][ T10] ___sys_sendmsg+0xee/0x170 [ 2541.174816][ T10] __sys_sendmsg+0xcd/0x170 [ 2541.174816][ T10] do_syscall_64+0xc6/0x1e0 [ 2541.174816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2541.174816][ T10] [ 2541.176818][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2541.176818][ T10] netdev_get_by_index+0x5e/0x80 [ 2541.176818][ T10] fib6_nh_init+0x3d8/0x1580 [ 2541.176818][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2541.176818][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2541.176818][ T10] ipv6_add_addr+0x411/0x2000 [ 2541.176818][ T10] inet6_addr_add+0x30e/0xa40 [ 2541.176818][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2541.176818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2541.176818][ T10] netlink_rcv_skb+0x130/0x360 [ 2541.176818][ T10] netlink_unicast+0x449/0x710 [ 2541.176818][ T10] netlink_sendmsg+0x723/0xbe0 [ 2541.176818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2541.176818][ T10] ___sys_sendmsg+0xee/0x170 [ 2541.176818][ T10] __sys_sendmsg+0xcd/0x170 [ 2541.176818][ T10] do_syscall_64+0xc6/0x1e0 [ 2541.176818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2541.176818][ T10] [ 2541.179197][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2541.179197][ T10] netdev_get_by_index+0x5e/0x80 [ 2541.179197][ T10] fib6_nh_init+0x3d8/0x1580 [ 2541.179197][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2541.179197][ T10] ip6_route_add+0x1c/0x140 [ 2541.179197][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2541.179197][ T10] addrconf_add_dev+0xe2/0x170 [ 2541.179197][ T10] inet6_addr_add+0x12f/0xa40 [ 2541.179197][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2541.179197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2541.179197][ T10] netlink_rcv_skb+0x130/0x360 [ 2541.179197][ T10] netlink_unicast+0x449/0x710 [ 2541.179197][ T10] netlink_sendmsg+0x723/0xbe0 [ 2541.179197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2541.179197][ T10] ___sys_sendmsg+0xee/0x170 [ 2541.179197][ T10] __sys_sendmsg+0xcd/0x170 [ 2541.179197][ T10] do_syscall_64+0xc6/0x1e0 [ 2541.179197][ T10] [ 2541.181163][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2541.181163][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2541.181163][ T10] ipv6_find_idev+0x102/0x170 [ 2541.181163][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2541.181163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2541.181163][ T10] netlink_rcv_skb+0x130/0x360 [ 2541.181163][ T10] netlink_unicast+0x449/0x710 [ 2541.181163][ T10] netlink_sendmsg+0x723/0xbe0 [ 2541.181163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2541.181163][ T10] ___sys_sendmsg+0xee/0x170 [ 2541.181163][ T10] __sys_sendmsg+0xcd/0x170 [ 2541.181163][ T10] do_syscall_64+0xc6/0x1e0 [ 2541.181163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2541.181163][ T10] [ 2541.182695][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2541.182695][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2541.182695][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2541.182695][ T10] ipv6_find_idev+0x102/0x170 [ 2541.182695][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2541.182695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2541.182695][ T10] netlink_rcv_skb+0x130/0x360 [ 2541.182695][ T10] netlink_unicast+0x449/0x710 [ 2541.182695][ T10] netlink_sendmsg+0x723/0xbe0 [ 2541.182695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2541.182695][ T10] ___sys_sendmsg+0xee/0x170 [ 2541.182695][ T10] __sys_sendmsg+0xcd/0x170 [ 2541.182695][ T10] do_syscall_64+0xc6/0x1e0 [ 2541.182695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2541.182695][ T10] [ 2541.184367][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2541.184618][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2541.184618][ T10] netdev_get_by_index+0x5e/0x80 [ 2541.184618][ T10] fib6_nh_init+0x3d8/0x1580 [ 2541.184618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2541.184618][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2541.184618][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2541.184618][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2541.184618][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2541.184618][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2541.184618][ T10] addrconf_dad_begin+0x310/0x670 [ 2541.184618][ T10] addrconf_dad_work+0x10b/0xab0 [ 2541.184618][ T10] process_one_work+0x84d/0x18a0 [ 2541.184618][ T10] worker_thread+0x587/0xd30 [ 2541.184618][ T10] kthread+0x28a/0x350 [ 2541.184618][ T10] ret_from_fork+0x31/0x70 [ 2541.184618][ T10] ret_from_fork_asm+0x1a/0x30 [ 2541.184618][ T10] [ 2541.186533][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2541.186533][ T10] netdev_get_by_index+0x5e/0x80 [ 2541.186533][ T10] fib6_nh_init+0x3d8/0x1580 [ 2541.186533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2541.186533][ T10] ip6_route_add+0x1c/0x140 [ 2541.186533][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2541.186533][ T10] inet6_addr_add+0x4f8/0xa40 [ 2541.186533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2541.186533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2541.186533][ T10] netlink_rcv_skb+0x130/0x360 [ 2541.186533][ T10] netlink_unicast+0x449/0x710 [ 2541.186533][ T10] netlink_sendmsg+0x723/0xbe0 [ 2541.186533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2541.186533][ T10] ___sys_sendmsg+0xee/0x170 [ 2541.186533][ T10] __sys_sendmsg+0xcd/0x170 [ 2541.186533][ T10] do_syscall_64+0xc6/0x1e0 [ 2541.186533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2541.186533][ T10] [ 2541.188830][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2541.188830][ T10] netdev_get_by_index+0x5e/0x80 [ 2541.188830][ T10] fib6_nh_init+0x3d8/0x1580 [ 2541.188830][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2541.188830][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2541.188830][ T10] ipv6_add_addr+0x411/0x2000 [ 2541.188830][ T10] inet6_addr_add+0x30e/0xa40 [ 2541.188830][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2541.188830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2541.188830][ T10] netlink_rcv_skb+0x130/0x360 [ 2541.188830][ T10] netlink_unicast+0x449/0x710 [ 2541.188830][ T10] netlink_sendmsg+0x723/0xbe0 [ 2541.188830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2541.188830][ T10] ___sys_sendmsg+0xee/0x170 [ 2541.188830][ T10] __sys_sendmsg+0xcd/0x170 [ 2541.188830][ T10] do_syscall_64+0xc6/0x1e0 [ 2541.188830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2541.188830][ T10] [ 2541.191580][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2541.191580][ T10] netdev_get_by_index+0x5e/0x80 [ 2541.191580][ T10] fib6_nh_init+0x3d8/0x1580 [ 2541.191580][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2541.191580][ T10] ip6_route_add+0x1c/0x140 [ 2541.191580][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2541.191580][ T10] addrconf_add_dev+0xe2/0x170 [ 2541.191580][ T10] inet6_addr_add+0x12f/0xa40 [ 2541.191580][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2541.191580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2541.191580][ T10] netlink_rcv_skb+0x130/0x360 [ 2541.191580][ T10] netlink_unicast+0x449/0x710 [ 2541.191580][ T10] netlink_sendmsg+0x723/0xbe0 [ 2541.191580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2541.191580][ T10] ___sys_sendmsg+0xee/0x170 [ 2541.191580][ T10] __sys_sendmsg+0xcd/0x170 [ 2541.191580][ T10] do_syscall_64+0xc6/0x1e0 [ 2541.191580][ T10] [ 2541.193710][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2541.193710][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2541.193710][ T10] ipv6_find_idev+0x102/0x170 [ 2541.193710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2541.193710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2541.193710][ T10] netlink_rcv_skb+0x130/0x360 [ 2541.193710][ T10] netlink_unicast+0x449/0x710 [ 2541.193710][ T10] netlink_sendmsg+0x723/0xbe0 [ 2541.193710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2541.193710][ T10] ___sys_sendmsg+0xee/0x170 [ 2541.193710][ T10] __sys_sendmsg+0xcd/0x170 [ 2541.193710][ T10] do_syscall_64+0xc6/0x1e0 [ 2541.193710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2541.193710][ T10] [ 2541.195422][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2541.195422][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2541.195422][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2541.195422][ T10] ipv6_find_idev+0x102/0x170 [ 2541.195422][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2541.195422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2541.195422][ T10] netlink_rcv_skb+0x130/0x360 [ 2541.195422][ T10] netlink_unicast+0x449/0x710 [ 2541.195422][ T10] netlink_sendmsg+0x723/0xbe0 [ 2541.195422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2541.195422][ T10] ___sys_sendmsg+0xee/0x170 [ 2541.195422][ T10] __sys_sendmsg+0xcd/0x170 [ 2541.195422][ T10] do_syscall_64+0xc6/0x1e0 [ 2541.195422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2541.195422][ T10] [ 2541.197358][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2541.197598][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2541.197598][ T10] netdev_get_by_index+0x5e/0x80 [ 2541.197598][ T10] fib6_nh_init+0x3d8/0x1580 [ 2541.197598][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2541.197598][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2541.197598][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2541.197598][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2541.197598][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2541.197598][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2541.197598][ T10] addrconf_dad_begin+0x310/0x670 [ 2541.197598][ T10] addrconf_dad_work+0x10b/0xab0 [ 2541.197598][ T10] process_one_work+0x84d/0x18a0 [ 2541.197598][ T10] worker_thread+0x587/0xd30 [ 2541.197598][ T10] kthread+0x28a/0x350 [ 2541.197598][ T10] ret_from_fork+0x31/0x70 [ 2541.197598][ T10] ret_from_fork_asm+0x1a/0x30 [ 2541.197598][ T10] [ 2541.199809][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2541.199809][ T10] netdev_get_by_index+0x5e/0x80 [ 2541.199809][ T10] fib6_nh_init+0x3d8/0x1580 [ 2541.199809][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2541.199809][ T10] ip6_route_add+0x1c/0x140 [ 2541.199809][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2541.199809][ T10] inet6_addr_add+0x4f8/0xa40 [ 2541.199809][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2541.199809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2541.199809][ T10] netlink_rcv_skb+0x130/0x360 [ 2541.199809][ T10] netlink_unicast+0x449/0x710 [ 2541.199809][ T10] netlink_sendmsg+0x723/0xbe0 [ 2541.199809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2541.199809][ T10] ___sys_sendmsg+0xee/0x170 [ 2541.199809][ T10] __sys_sendmsg+0xcd/0x170 [ 2541.199809][ T10] do_syscall_64+0xc6/0x1e0 [ 2541.199809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2541.199809][ T10] [ 2541.201981][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2541.201981][ T10] netdev_get_by_index+0x5e/0x80 [ 2541.201981][ T10] fib6_nh_init+0x3d8/0x1580 [ 2541.201981][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2541.201981][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2541.201981][ T10] ipv6_add_addr+0x411/0x2000 [ 2541.201981][ T10] inet6_addr_add+0x30e/0xa40 [ 2541.201981][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2541.201981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2541.201981][ T10] netlink_rcv_skb+0x130/0x360 [ 2541.201981][ T10] netlink_unicast+0x449/0x710 [ 2541.201981][ T10] netlink_sendmsg+0x723/0xbe0 [ 2541.201981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2541.201981][ T10] ___sys_sendmsg+0xee/0x170 [ 2541.201981][ T10] __sys_sendmsg+0xcd/0x170 [ 2541.201981][ T10] do_syscall_64+0xc6/0x1e0 [ 2541.201981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2541.201981][ T10] [ 2541.204600][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2541.204600][ T10] netdev_get_by_index+0x5e/0x80 [ 2541.204600][ T10] fib6_nh_init+0x3d8/0x1580 [ 2541.204600][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2541.204600][ T10] ip6_route_add+0x1c/0x140 [ 2541.204600][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2541.204600][ T10] addrconf_add_dev+0xe2/0x170 [ 2541.204600][ T10] inet6_addr_add+0x12f/0xa40 [ 2541.204600][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2541.204600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2541.204600][ T10] netlink_rcv_skb+0x130/0x360 [ 2541.204600][ T10] netlink_unicast+0x449/0x710 [ 2541.204600][ T10] netlink_sendmsg+0x723/0xbe0 [ 2541.204600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2541.204600][ T10] ___sys_sendmsg+0xee/0x170 [ 2541.204600][ T10] __sys_sendmsg+0xcd/0x170 [ 2541.204600][ T10] do_syscall_64+0xc6/0x1e0 [ 2541.204600][ T10] [ 2541.206811][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2541.206811][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2541.206811][ T10] ipv6_find_idev+0x102/0x170 [ 2541.206811][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2541.206811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2541.206811][ T10] netlink_rcv_skb+0x130/0x360 [ 2541.206811][ T10] netlink_unicast+0x449/0x710 [ 2541.206811][ T10] netlink_sendmsg+0x723/0xbe0 [ 2541.206811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2541.206811][ T10] ___sys_sendmsg+0xee/0x170 [ 2541.206811][ T10] __sys_sendmsg+0xcd/0x170 [ 2541.206811][ T10] do_syscall_64+0xc6/0x1e0 [ 2541.206811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2541.206811][ T10] [ 2541.208589][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2541.208589][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2541.208589][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2541.208589][ T10] ipv6_find_idev+0x102/0x170 [ 2541.208589][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2541.208589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2541.208589][ T10] netlink_rcv_skb+0x130/0x360 [ 2541.208589][ T10] netlink_unicast+0x449/0x710 [ 2541.208589][ T10] netlink_sendmsg+0x723/0xbe0 [ 2541.208589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2541.208589][ T10] ___sys_sendmsg+0xee/0x170 [ 2541.208589][ T10] __sys_sendmsg+0xcd/0x170 [ 2541.208589][ T10] do_syscall_64+0xc6/0x1e0 [ 2541.208589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2541.208589][ T10] [ 2544.393132][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2544.393610][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2544.393610][ T1167] dst_init+0x84/0x4a0 [ 2544.393610][ T1167] dst_alloc+0x97/0x150 [ 2544.393610][ T1167] ip6_dst_alloc+0x23/0x90 [ 2544.393610][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2544.393610][ T1167] ip6_pol_route+0x56f/0x840 [ 2544.393610][ T1167] fib6_rule_lookup+0x334/0x630 [ 2544.393610][ T1167] ip6_route_output_flags+0x259/0x480 [ 2544.393610][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2544.393610][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2544.393610][ T1167] netlink_rcv_skb+0x130/0x360 [ 2544.393610][ T1167] netlink_unicast+0x449/0x710 [ 2544.393610][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2544.393610][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2544.393610][ T1167] ___sys_sendmsg+0xee/0x170 [ 2544.393610][ T1167] __sys_sendmsg+0xcd/0x170 [ 2544.393610][ T1167] do_syscall_64+0xc6/0x1e0 [ 2544.393610][ T1167] [ 2544.395823][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2544.395823][ T1167] netdev_get_by_index+0x5e/0x80 [ 2544.395823][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2544.395823][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2544.395823][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2544.395823][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2544.395823][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2544.395823][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2544.395823][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2544.395823][ T1167] addrconf_dad_begin+0x310/0x670 [ 2544.395823][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2544.395823][ T1167] process_one_work+0x84d/0x18a0 [ 2544.395823][ T1167] worker_thread+0x587/0xd30 [ 2544.395823][ T1167] kthread+0x28a/0x350 [ 2544.395823][ T1167] ret_from_fork+0x31/0x70 [ 2544.395823][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2544.395823][ T1167] [ 2544.397999][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2544.397999][ T1167] netdev_get_by_index+0x5e/0x80 [ 2544.397999][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2544.397999][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2544.397999][ T1167] ip6_route_add+0x1c/0x140 [ 2544.397999][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2544.397999][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2544.397999][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2544.397999][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.397999][ T1167] netlink_rcv_skb+0x130/0x360 [ 2544.397999][ T1167] netlink_unicast+0x449/0x710 [ 2544.397999][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2544.397999][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2544.397999][ T1167] ___sys_sendmsg+0xee/0x170 [ 2544.397999][ T1167] __sys_sendmsg+0xcd/0x170 [ 2544.397999][ T1167] do_syscall_64+0xc6/0x1e0 [ 2544.397999][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2544.397999][ T1167] [ 2544.400415][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2544.400415][ T1167] netdev_get_by_index+0x5e/0x80 [ 2544.400415][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2544.400415][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2544.400415][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2544.400415][ T1167] ipv6_add_addr+0x411/0x2000 [ 2544.400415][ T1167] inet6_addr_add+0x30e/0xa40 [ 2544.400415][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2544.400415][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.400415][ T1167] netlink_rcv_skb+0x130/0x360 [ 2544.400415][ T1167] netlink_unicast+0x449/0x710 [ 2544.400415][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2544.400415][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2544.400415][ T1167] ___sys_sendmsg+0xee/0x170 [ 2544.400415][ T1167] __sys_sendmsg+0xcd/0x170 [ 2544.400415][ T1167] do_syscall_64+0xc6/0x1e0 [ 2544.400415][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2544.400415][ T1167] [ 2544.402803][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2544.402803][ T1167] netdev_get_by_index+0x5e/0x80 [ 2544.402803][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2544.402803][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2544.402803][ T1167] ip6_route_add+0x1c/0x140 [ 2544.402803][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2544.402803][ T1167] addrconf_add_dev+0xe2/0x170 [ 2544.402803][ T1167] inet6_addr_add+0x12f/0xa40 [ 2544.402803][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2544.402803][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.402803][ T1167] netlink_rcv_skb+0x130/0x360 [ 2544.402803][ T1167] netlink_unicast+0x449/0x710 [ 2544.402803][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2544.402803][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2544.402803][ T1167] ___sys_sendmsg+0xee/0x170 [ 2544.402803][ T1167] __sys_sendmsg+0xcd/0x170 [ 2544.402803][ T1167] do_syscall_64+0xc6/0x1e0 [ 2544.402803][ T1167] [ 2544.405003][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2544.405003][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2544.405003][ T1167] ipv6_find_idev+0x102/0x170 [ 2544.405003][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2544.405003][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.405003][ T1167] netlink_rcv_skb+0x130/0x360 [ 2544.405003][ T1167] netlink_unicast+0x449/0x710 [ 2544.405003][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2544.405003][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2544.405003][ T1167] ___sys_sendmsg+0xee/0x170 [ 2544.405003][ T1167] __sys_sendmsg+0xcd/0x170 [ 2544.405003][ T1167] do_syscall_64+0xc6/0x1e0 [ 2544.405003][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2544.405003][ T1167] [ 2544.406744][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2544.406744][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2544.406744][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2544.406744][ T1167] ipv6_find_idev+0x102/0x170 [ 2544.406744][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2544.406744][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.406744][ T1167] netlink_rcv_skb+0x130/0x360 [ 2544.406744][ T1167] netlink_unicast+0x449/0x710 [ 2544.406744][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2544.406744][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2544.406744][ T1167] ___sys_sendmsg+0xee/0x170 [ 2544.406744][ T1167] __sys_sendmsg+0xcd/0x170 [ 2544.406744][ T1167] do_syscall_64+0xc6/0x1e0 [ 2544.406744][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2544.406744][ T1167] [ 2551.449171][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2551.449519][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2551.449519][ T10] netdev_get_by_index+0x5e/0x80 [ 2551.449519][ T10] fib6_nh_init+0x3d8/0x1580 [ 2551.449519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2551.449519][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2551.449519][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2551.449519][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2551.449519][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2551.449519][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2551.449519][ T10] addrconf_dad_begin+0x310/0x670 [ 2551.449519][ T10] addrconf_dad_work+0x10b/0xab0 [ 2551.449519][ T10] process_one_work+0x84d/0x18a0 [ 2551.449519][ T10] worker_thread+0x587/0xd30 [ 2551.449519][ T10] kthread+0x28a/0x350 [ 2551.449519][ T10] ret_from_fork+0x31/0x70 [ 2551.449519][ T10] ret_from_fork_asm+0x1a/0x30 [ 2551.449519][ T10] [ 2551.451507][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2551.451507][ T10] netdev_get_by_index+0x5e/0x80 [ 2551.451507][ T10] fib6_nh_init+0x3d8/0x1580 [ 2551.451507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2551.451507][ T10] ip6_route_add+0x1c/0x140 [ 2551.451507][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2551.451507][ T10] inet6_addr_add+0x4f8/0xa40 [ 2551.451507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2551.451507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2551.451507][ T10] netlink_rcv_skb+0x130/0x360 [ 2551.451507][ T10] netlink_unicast+0x449/0x710 [ 2551.451507][ T10] netlink_sendmsg+0x723/0xbe0 [ 2551.451507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2551.451507][ T10] ___sys_sendmsg+0xee/0x170 [ 2551.451507][ T10] __sys_sendmsg+0xcd/0x170 [ 2551.451507][ T10] do_syscall_64+0xc6/0x1e0 [ 2551.451507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2551.451507][ T10] [ 2551.453513][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2551.453513][ T10] netdev_get_by_index+0x5e/0x80 [ 2551.453513][ T10] fib6_nh_init+0x3d8/0x1580 [ 2551.453513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2551.453513][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2551.453513][ T10] ipv6_add_addr+0x411/0x2000 [ 2551.453513][ T10] inet6_addr_add+0x30e/0xa40 [ 2551.453513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2551.453513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2551.453513][ T10] netlink_rcv_skb+0x130/0x360 [ 2551.453513][ T10] netlink_unicast+0x449/0x710 [ 2551.453513][ T10] netlink_sendmsg+0x723/0xbe0 [ 2551.453513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2551.453513][ T10] ___sys_sendmsg+0xee/0x170 [ 2551.453513][ T10] __sys_sendmsg+0xcd/0x170 [ 2551.453513][ T10] do_syscall_64+0xc6/0x1e0 [ 2551.453513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2551.453513][ T10] [ 2551.455508][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2551.455508][ T10] netdev_get_by_index+0x5e/0x80 [ 2551.455508][ T10] fib6_nh_init+0x3d8/0x1580 [ 2551.455508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2551.455508][ T10] ip6_route_add+0x1c/0x140 [ 2551.455508][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2551.455508][ T10] addrconf_add_dev+0xe2/0x170 [ 2551.455508][ T10] inet6_addr_add+0x12f/0xa40 [ 2551.455508][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2551.455508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2551.455508][ T10] netlink_rcv_skb+0x130/0x360 [ 2551.455508][ T10] netlink_unicast+0x449/0x710 [ 2551.455508][ T10] netlink_sendmsg+0x723/0xbe0 [ 2551.455508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2551.455508][ T10] ___sys_sendmsg+0xee/0x170 [ 2551.455508][ T10] __sys_sendmsg+0xcd/0x170 [ 2551.455508][ T10] do_syscall_64+0xc6/0x1e0 [ 2551.455508][ T10] [ 2551.457463][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2551.457463][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2551.457463][ T10] ipv6_find_idev+0x102/0x170 [ 2551.457463][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2551.457463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2551.457463][ T10] netlink_rcv_skb+0x130/0x360 [ 2551.457463][ T10] netlink_unicast+0x449/0x710 [ 2551.457463][ T10] netlink_sendmsg+0x723/0xbe0 [ 2551.457463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2551.457463][ T10] ___sys_sendmsg+0xee/0x170 [ 2551.457463][ T10] __sys_sendmsg+0xcd/0x170 [ 2551.457463][ T10] do_syscall_64+0xc6/0x1e0 [ 2551.457463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2551.457463][ T10] [ 2551.458994][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2551.458994][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2551.458994][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2551.458994][ T10] ipv6_find_idev+0x102/0x170 [ 2551.458994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2551.458994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2551.458994][ T10] netlink_rcv_skb+0x130/0x360 [ 2551.458994][ T10] netlink_unicast+0x449/0x710 [ 2551.458994][ T10] netlink_sendmsg+0x723/0xbe0 [ 2551.458994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2551.458994][ T10] ___sys_sendmsg+0xee/0x170 [ 2551.458994][ T10] __sys_sendmsg+0xcd/0x170 [ 2551.458994][ T10] do_syscall_64+0xc6/0x1e0 [ 2551.458994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2551.458994][ T10] [ 2551.460695][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2551.460936][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2551.460936][ T10] netdev_get_by_index+0x5e/0x80 [ 2551.460936][ T10] fib6_nh_init+0x3d8/0x1580 [ 2551.460936][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2551.460936][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2551.460936][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2551.460936][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2551.460936][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2551.460936][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2551.460936][ T10] addrconf_dad_begin+0x310/0x670 [ 2551.460936][ T10] addrconf_dad_work+0x10b/0xab0 [ 2551.460936][ T10] process_one_work+0x84d/0x18a0 [ 2551.460936][ T10] worker_thread+0x587/0xd30 [ 2551.460936][ T10] kthread+0x28a/0x350 [ 2551.460936][ T10] ret_from_fork+0x31/0x70 [ 2551.460936][ T10] ret_from_fork_asm+0x1a/0x30 [ 2551.460936][ T10] [ 2551.462826][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2551.462826][ T10] netdev_get_by_index+0x5e/0x80 [ 2551.462826][ T10] fib6_nh_init+0x3d8/0x1580 [ 2551.462826][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2551.462826][ T10] ip6_route_add+0x1c/0x140 [ 2551.462826][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2551.462826][ T10] inet6_addr_add+0x4f8/0xa40 [ 2551.462826][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2551.462826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2551.462826][ T10] netlink_rcv_skb+0x130/0x360 [ 2551.462826][ T10] netlink_unicast+0x449/0x710 [ 2551.462826][ T10] netlink_sendmsg+0x723/0xbe0 [ 2551.462826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2551.462826][ T10] ___sys_sendmsg+0xee/0x170 [ 2551.462826][ T10] __sys_sendmsg+0xcd/0x170 [ 2551.462826][ T10] do_syscall_64+0xc6/0x1e0 [ 2551.462826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2551.462826][ T10] [ 2551.464799][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2551.464799][ T10] netdev_get_by_index+0x5e/0x80 [ 2551.464799][ T10] fib6_nh_init+0x3d8/0x1580 [ 2551.464799][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2551.464799][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2551.464799][ T10] ipv6_add_addr+0x411/0x2000 [ 2551.464799][ T10] inet6_addr_add+0x30e/0xa40 [ 2551.464799][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2551.464799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2551.464799][ T10] netlink_rcv_skb+0x130/0x360 [ 2551.464799][ T10] netlink_unicast+0x449/0x710 [ 2551.464799][ T10] netlink_sendmsg+0x723/0xbe0 [ 2551.464799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2551.464799][ T10] ___sys_sendmsg+0xee/0x170 [ 2551.464799][ T10] __sys_sendmsg+0xcd/0x170 [ 2551.464799][ T10] do_syscall_64+0xc6/0x1e0 [ 2551.464799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2551.464799][ T10] [ 2551.466879][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2551.466879][ T10] netdev_get_by_index+0x5e/0x80 [ 2551.466879][ T10] fib6_nh_init+0x3d8/0x1580 [ 2551.466879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2551.466879][ T10] ip6_route_add+0x1c/0x140 [ 2551.466879][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2551.466879][ T10] addrconf_add_dev+0xe2/0x170 [ 2551.466879][ T10] inet6_addr_add+0x12f/0xa40 [ 2551.466879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2551.466879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2551.466879][ T10] netlink_rcv_skb+0x130/0x360 [ 2551.466879][ T10] netlink_unicast+0x449/0x710 [ 2551.466879][ T10] netlink_sendmsg+0x723/0xbe0 [ 2551.466879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2551.466879][ T10] ___sys_sendmsg+0xee/0x170 [ 2551.466879][ T10] __sys_sendmsg+0xcd/0x170 [ 2551.466879][ T10] do_syscall_64+0xc6/0x1e0 [ 2551.466879][ T10] [ 2551.468949][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2551.468949][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2551.468949][ T10] ipv6_find_idev+0x102/0x170 [ 2551.468949][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2551.468949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2551.468949][ T10] netlink_rcv_skb+0x130/0x360 [ 2551.468949][ T10] netlink_unicast+0x449/0x710 [ 2551.468949][ T10] netlink_sendmsg+0x723/0xbe0 [ 2551.468949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2551.468949][ T10] ___sys_sendmsg+0xee/0x170 [ 2551.468949][ T10] __sys_sendmsg+0xcd/0x170 [ 2551.468949][ T10] do_syscall_64+0xc6/0x1e0 [ 2551.468949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2551.468949][ T10] [ 2551.470567][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2551.470567][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2551.470567][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2551.470567][ T10] ipv6_find_idev+0x102/0x170 [ 2551.470567][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2551.470567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2551.470567][ T10] netlink_rcv_skb+0x130/0x360 [ 2551.470567][ T10] netlink_unicast+0x449/0x710 [ 2551.470567][ T10] netlink_sendmsg+0x723/0xbe0 [ 2551.470567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2551.470567][ T10] ___sys_sendmsg+0xee/0x170 [ 2551.470567][ T10] __sys_sendmsg+0xcd/0x170 [ 2551.470567][ T10] do_syscall_64+0xc6/0x1e0 [ 2551.470567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2551.470567][ T10] [ 2551.472355][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2551.472611][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2551.472611][ T10] netdev_get_by_index+0x5e/0x80 [ 2551.472611][ T10] fib6_nh_init+0x3d8/0x1580 [ 2551.472611][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2551.472611][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2551.472611][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2551.472611][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2551.472611][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2551.472611][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2551.472611][ T10] addrconf_dad_begin+0x310/0x670 [ 2551.472611][ T10] addrconf_dad_work+0x10b/0xab0 [ 2551.472611][ T10] process_one_work+0x84d/0x18a0 [ 2551.472611][ T10] worker_thread+0x587/0xd30 [ 2551.472611][ T10] kthread+0x28a/0x350 [ 2551.472611][ T10] ret_from_fork+0x31/0x70 [ 2551.472611][ T10] ret_from_fork_asm+0x1a/0x30 [ 2551.472611][ T10] [ 2551.474641][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2551.474641][ T10] netdev_get_by_index+0x5e/0x80 [ 2551.474641][ T10] fib6_nh_init+0x3d8/0x1580 [ 2551.474641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2551.474641][ T10] ip6_route_add+0x1c/0x140 [ 2551.474641][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2551.474641][ T10] inet6_addr_add+0x4f8/0xa40 [ 2551.474641][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2551.474641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2551.474641][ T10] netlink_rcv_skb+0x130/0x360 [ 2551.474641][ T10] netlink_unicast+0x449/0x710 [ 2551.474641][ T10] netlink_sendmsg+0x723/0xbe0 [ 2551.474641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2551.474641][ T10] ___sys_sendmsg+0xee/0x170 [ 2551.474641][ T10] __sys_sendmsg+0xcd/0x170 [ 2551.474641][ T10] do_syscall_64+0xc6/0x1e0 [ 2551.474641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2551.474641][ T10] [ 2551.476890][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2551.476890][ T10] netdev_get_by_index+0x5e/0x80 [ 2551.476890][ T10] fib6_nh_init+0x3d8/0x1580 [ 2551.476890][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2551.476890][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2551.476890][ T10] ipv6_add_addr+0x411/0x2000 [ 2551.476890][ T10] inet6_addr_add+0x30e/0xa40 [ 2551.476890][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2551.476890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2551.476890][ T10] netlink_rcv_skb+0x130/0x360 [ 2551.476890][ T10] netlink_unicast+0x449/0x710 [ 2551.476890][ T10] netlink_sendmsg+0x723/0xbe0 [ 2551.476890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2551.476890][ T10] ___sys_sendmsg+0xee/0x170 [ 2551.476890][ T10] __sys_sendmsg+0xcd/0x170 [ 2551.476890][ T10] do_syscall_64+0xc6/0x1e0 [ 2551.476890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2551.476890][ T10] [ 2551.479342][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2551.479342][ T10] netdev_get_by_index+0x5e/0x80 [ 2551.479342][ T10] fib6_nh_init+0x3d8/0x1580 [ 2551.479342][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2551.479342][ T10] ip6_route_add+0x1c/0x140 [ 2551.479342][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2551.479342][ T10] addrconf_add_dev+0xe2/0x170 [ 2551.479342][ T10] inet6_addr_add+0x12f/0xa40 [ 2551.479342][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2551.479342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2551.479342][ T10] netlink_rcv_skb+0x130/0x360 [ 2551.479342][ T10] netlink_unicast+0x449/0x710 [ 2551.479342][ T10] netlink_sendmsg+0x723/0xbe0 [ 2551.479342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2551.479342][ T10] ___sys_sendmsg+0xee/0x170 [ 2551.479342][ T10] __sys_sendmsg+0xcd/0x170 [ 2551.479342][ T10] do_syscall_64+0xc6/0x1e0 [ 2551.479342][ T10] [ 2551.481692][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2551.481692][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2551.481692][ T10] ipv6_find_idev+0x102/0x170 [ 2551.481692][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2551.481692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2551.481692][ T10] netlink_rcv_skb+0x130/0x360 [ 2551.481692][ T10] netlink_unicast+0x449/0x710 [ 2551.481692][ T10] netlink_sendmsg+0x723/0xbe0 [ 2551.481692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2551.481692][ T10] ___sys_sendmsg+0xee/0x170 [ 2551.481692][ T10] __sys_sendmsg+0xcd/0x170 [ 2551.481692][ T10] do_syscall_64+0xc6/0x1e0 [ 2551.481692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2551.481692][ T10] [ 2551.483495][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2551.483495][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2551.483495][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2551.483495][ T10] ipv6_find_idev+0x102/0x170 [ 2551.483495][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2551.483495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2551.483495][ T10] netlink_rcv_skb+0x130/0x360 [ 2551.483495][ T10] netlink_unicast+0x449/0x710 [ 2551.483495][ T10] netlink_sendmsg+0x723/0xbe0 [ 2551.483495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2551.483495][ T10] ___sys_sendmsg+0xee/0x170 [ 2551.483495][ T10] __sys_sendmsg+0xcd/0x170 [ 2551.483495][ T10] do_syscall_64+0xc6/0x1e0 [ 2551.483495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2551.483495][ T10] [ 2551.485476][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2551.485720][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2551.485720][ T10] netdev_get_by_index+0x5e/0x80 [ 2551.485720][ T10] fib6_nh_init+0x3d8/0x1580 [ 2551.485720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2551.485720][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2551.485720][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2551.485720][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2551.485720][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2551.485720][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2551.485720][ T10] addrconf_dad_begin+0x310/0x670 [ 2551.485720][ T10] addrconf_dad_work+0x10b/0xab0 [ 2551.485720][ T10] process_one_work+0x84d/0x18a0 [ 2551.485720][ T10] worker_thread+0x587/0xd30 [ 2551.485720][ T10] kthread+0x28a/0x350 [ 2551.485720][ T10] ret_from_fork+0x31/0x70 [ 2551.485720][ T10] ret_from_fork_asm+0x1a/0x30 [ 2551.485720][ T10] [ 2551.488065][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2551.488065][ T10] netdev_get_by_index+0x5e/0x80 [ 2551.488065][ T10] fib6_nh_init+0x3d8/0x1580 [ 2551.488065][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2551.488065][ T10] ip6_route_add+0x1c/0x140 [ 2551.488065][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2551.488065][ T10] inet6_addr_add+0x4f8/0xa40 [ 2551.488065][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2551.488065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2551.488065][ T10] netlink_rcv_skb+0x130/0x360 [ 2551.488065][ T10] netlink_unicast+0x449/0x710 [ 2551.488065][ T10] netlink_sendmsg+0x723/0xbe0 [ 2551.488065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2551.488065][ T10] ___sys_sendmsg+0xee/0x170 [ 2551.488065][ T10] __sys_sendmsg+0xcd/0x170 [ 2551.488065][ T10] do_syscall_64+0xc6/0x1e0 [ 2551.488065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2551.488065][ T10] [ 2551.490498][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2551.490498][ T10] netdev_get_by_index+0x5e/0x80 [ 2551.490498][ T10] fib6_nh_init+0x3d8/0x1580 [ 2551.490498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2551.490498][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2551.490498][ T10] ipv6_add_addr+0x411/0x2000 [ 2551.490498][ T10] inet6_addr_add+0x30e/0xa40 [ 2551.490498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2551.490498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2551.490498][ T10] netlink_rcv_skb+0x130/0x360 [ 2551.490498][ T10] netlink_unicast+0x449/0x710 [ 2551.490498][ T10] netlink_sendmsg+0x723/0xbe0 [ 2551.490498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2551.490498][ T10] ___sys_sendmsg+0xee/0x170 [ 2551.490498][ T10] __sys_sendmsg+0xcd/0x170 [ 2551.490498][ T10] do_syscall_64+0xc6/0x1e0 [ 2551.490498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2551.490498][ T10] [ 2551.492736][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2551.492736][ T10] netdev_get_by_index+0x5e/0x80 [ 2551.492736][ T10] fib6_nh_init+0x3d8/0x1580 [ 2551.492736][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2551.492736][ T10] ip6_route_add+0x1c/0x140 [ 2551.492736][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2551.492736][ T10] addrconf_add_dev+0xe2/0x170 [ 2551.492736][ T10] inet6_addr_add+0x12f/0xa40 [ 2551.492736][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2551.492736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2551.492736][ T10] netlink_rcv_skb+0x130/0x360 [ 2551.492736][ T10] netlink_unicast+0x449/0x710 [ 2551.492736][ T10] netlink_sendmsg+0x723/0xbe0 [ 2551.492736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2551.492736][ T10] ___sys_sendmsg+0xee/0x170 [ 2551.492736][ T10] __sys_sendmsg+0xcd/0x170 [ 2551.492736][ T10] do_syscall_64+0xc6/0x1e0 [ 2551.492736][ T10] [ 2551.494987][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2551.494987][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2551.494987][ T10] ipv6_find_idev+0x102/0x170 [ 2551.494987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2551.494987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2551.494987][ T10] netlink_rcv_skb+0x130/0x360 [ 2551.494987][ T10] netlink_unicast+0x449/0x710 [ 2551.494987][ T10] netlink_sendmsg+0x723/0xbe0 [ 2551.494987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2551.494987][ T10] ___sys_sendmsg+0xee/0x170 [ 2551.494987][ T10] __sys_sendmsg+0xcd/0x170 [ 2551.494987][ T10] do_syscall_64+0xc6/0x1e0 [ 2551.494987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2551.494987][ T10] [ 2551.496749][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2551.496749][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2551.496749][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2551.496749][ T10] ipv6_find_idev+0x102/0x170 [ 2551.496749][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2551.496749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2551.496749][ T10] netlink_rcv_skb+0x130/0x360 [ 2551.496749][ T10] netlink_unicast+0x449/0x710 [ 2551.496749][ T10] netlink_sendmsg+0x723/0xbe0 [ 2551.496749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2551.496749][ T10] ___sys_sendmsg+0xee/0x170 [ 2551.496749][ T10] __sys_sendmsg+0xcd/0x170 [ 2551.496749][ T10] do_syscall_64+0xc6/0x1e0 [ 2551.496749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2551.496749][ T10] [ 2554.649137][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2554.649636][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2554.649636][ T1167] dst_init+0x84/0x4a0 [ 2554.649636][ T1167] dst_alloc+0x97/0x150 [ 2554.649636][ T1167] ip6_dst_alloc+0x23/0x90 [ 2554.649636][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2554.649636][ T1167] ip6_pol_route+0x56f/0x840 [ 2554.649636][ T1167] fib6_rule_lookup+0x334/0x630 [ 2554.649636][ T1167] ip6_route_output_flags+0x259/0x480 [ 2554.649636][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2554.649636][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2554.649636][ T1167] netlink_rcv_skb+0x130/0x360 [ 2554.649636][ T1167] netlink_unicast+0x449/0x710 [ 2554.649636][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2554.649636][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2554.649636][ T1167] ___sys_sendmsg+0xee/0x170 [ 2554.649636][ T1167] __sys_sendmsg+0xcd/0x170 [ 2554.649636][ T1167] do_syscall_64+0xc6/0x1e0 [ 2554.649636][ T1167] [ 2554.651843][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2554.651843][ T1167] netdev_get_by_index+0x5e/0x80 [ 2554.651843][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2554.651843][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2554.651843][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2554.651843][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2554.651843][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2554.651843][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2554.651843][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2554.651843][ T1167] addrconf_dad_begin+0x310/0x670 [ 2554.651843][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2554.651843][ T1167] process_one_work+0x84d/0x18a0 [ 2554.651843][ T1167] worker_thread+0x587/0xd30 [ 2554.651843][ T1167] kthread+0x28a/0x350 [ 2554.651843][ T1167] ret_from_fork+0x31/0x70 [ 2554.651843][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2554.651843][ T1167] [ 2554.653985][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2554.653985][ T1167] netdev_get_by_index+0x5e/0x80 [ 2554.653985][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2554.653985][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2554.653985][ T1167] ip6_route_add+0x1c/0x140 [ 2554.653985][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2554.653985][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2554.653985][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2554.653985][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.653985][ T1167] netlink_rcv_skb+0x130/0x360 [ 2554.653985][ T1167] netlink_unicast+0x449/0x710 [ 2554.653985][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2554.653985][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2554.653985][ T1167] ___sys_sendmsg+0xee/0x170 [ 2554.653985][ T1167] __sys_sendmsg+0xcd/0x170 [ 2554.653985][ T1167] do_syscall_64+0xc6/0x1e0 [ 2554.653985][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2554.653985][ T1167] [ 2554.656250][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2554.656250][ T1167] netdev_get_by_index+0x5e/0x80 [ 2554.656250][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2554.656250][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2554.656250][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2554.656250][ T1167] ipv6_add_addr+0x411/0x2000 [ 2554.656250][ T1167] inet6_addr_add+0x30e/0xa40 [ 2554.656250][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2554.656250][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.656250][ T1167] netlink_rcv_skb+0x130/0x360 [ 2554.656250][ T1167] netlink_unicast+0x449/0x710 [ 2554.656250][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2554.656250][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2554.656250][ T1167] ___sys_sendmsg+0xee/0x170 [ 2554.656250][ T1167] __sys_sendmsg+0xcd/0x170 [ 2554.656250][ T1167] do_syscall_64+0xc6/0x1e0 [ 2554.656250][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2554.656250][ T1167] [ 2554.658496][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2554.658496][ T1167] netdev_get_by_index+0x5e/0x80 [ 2554.658496][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2554.658496][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2554.658496][ T1167] ip6_route_add+0x1c/0x140 [ 2554.658496][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2554.658496][ T1167] addrconf_add_dev+0xe2/0x170 [ 2554.658496][ T1167] inet6_addr_add+0x12f/0xa40 [ 2554.658496][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2554.658496][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.658496][ T1167] netlink_rcv_skb+0x130/0x360 [ 2554.658496][ T1167] netlink_unicast+0x449/0x710 [ 2554.658496][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2554.658496][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2554.658496][ T1167] ___sys_sendmsg+0xee/0x170 [ 2554.658496][ T1167] __sys_sendmsg+0xcd/0x170 [ 2554.658496][ T1167] do_syscall_64+0xc6/0x1e0 [ 2554.658496][ T1167] [ 2554.660695][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2554.660695][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2554.660695][ T1167] ipv6_find_idev+0x102/0x170 [ 2554.660695][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2554.660695][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.660695][ T1167] netlink_rcv_skb+0x130/0x360 [ 2554.660695][ T1167] netlink_unicast+0x449/0x710 [ 2554.660695][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2554.660695][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2554.660695][ T1167] ___sys_sendmsg+0xee/0x170 [ 2554.660695][ T1167] __sys_sendmsg+0xcd/0x170 [ 2554.660695][ T1167] do_syscall_64+0xc6/0x1e0 [ 2554.660695][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2554.660695][ T1167] [ 2554.662411][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2554.662411][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2554.662411][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2554.662411][ T1167] ipv6_find_idev+0x102/0x170 [ 2554.662411][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2554.662411][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.662411][ T1167] netlink_rcv_skb+0x130/0x360 [ 2554.662411][ T1167] netlink_unicast+0x449/0x710 [ 2554.662411][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2554.662411][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2554.662411][ T1167] ___sys_sendmsg+0xee/0x170 [ 2554.662411][ T1167] __sys_sendmsg+0xcd/0x170 [ 2554.662411][ T1167] do_syscall_64+0xc6/0x1e0 [ 2554.662411][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2554.662411][ T1167] [ 2561.577193][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2561.577662][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2561.577662][ T10] netdev_get_by_index+0x5e/0x80 [ 2561.577662][ T10] fib6_nh_init+0x3d8/0x1580 [ 2561.577662][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2561.577662][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2561.577662][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2561.577662][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2561.577662][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2561.577662][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2561.577662][ T10] addrconf_dad_begin+0x310/0x670 [ 2561.577662][ T10] addrconf_dad_work+0x10b/0xab0 [ 2561.577662][ T10] process_one_work+0x84d/0x18a0 [ 2561.577662][ T10] worker_thread+0x587/0xd30 [ 2561.577662][ T10] kthread+0x28a/0x350 [ 2561.577662][ T10] ret_from_fork+0x31/0x70 [ 2561.577662][ T10] ret_from_fork_asm+0x1a/0x30 [ 2561.577662][ T10] [ 2561.580113][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2561.580113][ T10] netdev_get_by_index+0x5e/0x80 [ 2561.580113][ T10] fib6_nh_init+0x3d8/0x1580 [ 2561.580113][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2561.580113][ T10] ip6_route_add+0x1c/0x140 [ 2561.580113][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2561.580113][ T10] inet6_addr_add+0x4f8/0xa40 [ 2561.580113][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2561.580113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2561.580113][ T10] netlink_rcv_skb+0x130/0x360 [ 2561.580113][ T10] netlink_unicast+0x449/0x710 [ 2561.580113][ T10] netlink_sendmsg+0x723/0xbe0 [ 2561.580113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2561.580113][ T10] ___sys_sendmsg+0xee/0x170 [ 2561.580113][ T10] __sys_sendmsg+0xcd/0x170 [ 2561.580113][ T10] do_syscall_64+0xc6/0x1e0 [ 2561.580113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2561.580113][ T10] [ 2561.582541][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2561.582541][ T10] netdev_get_by_index+0x5e/0x80 [ 2561.582541][ T10] fib6_nh_init+0x3d8/0x1580 [ 2561.582541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2561.582541][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2561.582541][ T10] ipv6_add_addr+0x411/0x2000 [ 2561.582541][ T10] inet6_addr_add+0x30e/0xa40 [ 2561.582541][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2561.582541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2561.582541][ T10] netlink_rcv_skb+0x130/0x360 [ 2561.582541][ T10] netlink_unicast+0x449/0x710 [ 2561.582541][ T10] netlink_sendmsg+0x723/0xbe0 [ 2561.582541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2561.582541][ T10] ___sys_sendmsg+0xee/0x170 [ 2561.582541][ T10] __sys_sendmsg+0xcd/0x170 [ 2561.582541][ T10] do_syscall_64+0xc6/0x1e0 [ 2561.582541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2561.582541][ T10] [ 2561.584892][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2561.584892][ T10] netdev_get_by_index+0x5e/0x80 [ 2561.584892][ T10] fib6_nh_init+0x3d8/0x1580 [ 2561.584892][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2561.584892][ T10] ip6_route_add+0x1c/0x140 [ 2561.584892][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2561.584892][ T10] addrconf_add_dev+0xe2/0x170 [ 2561.584892][ T10] inet6_addr_add+0x12f/0xa40 [ 2561.584892][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2561.584892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2561.584892][ T10] netlink_rcv_skb+0x130/0x360 [ 2561.584892][ T10] netlink_unicast+0x449/0x710 [ 2561.584892][ T10] netlink_sendmsg+0x723/0xbe0 [ 2561.584892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2561.584892][ T10] ___sys_sendmsg+0xee/0x170 [ 2561.584892][ T10] __sys_sendmsg+0xcd/0x170 [ 2561.584892][ T10] do_syscall_64+0xc6/0x1e0 [ 2561.584892][ T10] [ 2561.587190][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2561.587190][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2561.587190][ T10] ipv6_find_idev+0x102/0x170 [ 2561.587190][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2561.587190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2561.587190][ T10] netlink_rcv_skb+0x130/0x360 [ 2561.587190][ T10] netlink_unicast+0x449/0x710 [ 2561.587190][ T10] netlink_sendmsg+0x723/0xbe0 [ 2561.587190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2561.587190][ T10] ___sys_sendmsg+0xee/0x170 [ 2561.587190][ T10] __sys_sendmsg+0xcd/0x170 [ 2561.587190][ T10] do_syscall_64+0xc6/0x1e0 [ 2561.587190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2561.587190][ T10] [ 2561.588973][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2561.588973][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2561.588973][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2561.588973][ T10] ipv6_find_idev+0x102/0x170 [ 2561.588973][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2561.588973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2561.588973][ T10] netlink_rcv_skb+0x130/0x360 [ 2561.588973][ T10] netlink_unicast+0x449/0x710 [ 2561.588973][ T10] netlink_sendmsg+0x723/0xbe0 [ 2561.588973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2561.588973][ T10] ___sys_sendmsg+0xee/0x170 [ 2561.588973][ T10] __sys_sendmsg+0xcd/0x170 [ 2561.588973][ T10] do_syscall_64+0xc6/0x1e0 [ 2561.588973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2561.588973][ T10] [ 2561.590941][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2561.591241][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2561.591241][ T10] netdev_get_by_index+0x5e/0x80 [ 2561.591241][ T10] fib6_nh_init+0x3d8/0x1580 [ 2561.591241][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2561.591241][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2561.591241][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2561.591241][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2561.591241][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2561.591241][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2561.591241][ T10] addrconf_dad_begin+0x310/0x670 [ 2561.591241][ T10] addrconf_dad_work+0x10b/0xab0 [ 2561.591241][ T10] process_one_work+0x84d/0x18a0 [ 2561.591241][ T10] worker_thread+0x587/0xd30 [ 2561.591241][ T10] kthread+0x28a/0x350 [ 2561.591241][ T10] ret_from_fork+0x31/0x70 [ 2561.591241][ T10] ret_from_fork_asm+0x1a/0x30 [ 2561.591241][ T10] [ 2561.593479][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2561.593479][ T10] netdev_get_by_index+0x5e/0x80 [ 2561.593479][ T10] fib6_nh_init+0x3d8/0x1580 [ 2561.593479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2561.593479][ T10] ip6_route_add+0x1c/0x140 [ 2561.593479][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2561.593479][ T10] inet6_addr_add+0x4f8/0xa40 [ 2561.593479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2561.593479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2561.593479][ T10] netlink_rcv_skb+0x130/0x360 [ 2561.593479][ T10] netlink_unicast+0x449/0x710 [ 2561.593479][ T10] netlink_sendmsg+0x723/0xbe0 [ 2561.593479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2561.593479][ T10] ___sys_sendmsg+0xee/0x170 [ 2561.593479][ T10] __sys_sendmsg+0xcd/0x170 [ 2561.593479][ T10] do_syscall_64+0xc6/0x1e0 [ 2561.593479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2561.593479][ T10] [ 2561.595802][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2561.595802][ T10] netdev_get_by_index+0x5e/0x80 [ 2561.595802][ T10] fib6_nh_init+0x3d8/0x1580 [ 2561.595802][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2561.595802][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2561.595802][ T10] ipv6_add_addr+0x411/0x2000 [ 2561.595802][ T10] inet6_addr_add+0x30e/0xa40 [ 2561.595802][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2561.595802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2561.595802][ T10] netlink_rcv_skb+0x130/0x360 [ 2561.595802][ T10] netlink_unicast+0x449/0x710 [ 2561.595802][ T10] netlink_sendmsg+0x723/0xbe0 [ 2561.595802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2561.595802][ T10] ___sys_sendmsg+0xee/0x170 [ 2561.595802][ T10] __sys_sendmsg+0xcd/0x170 [ 2561.595802][ T10] do_syscall_64+0xc6/0x1e0 [ 2561.595802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2561.595802][ T10] [ 2561.598151][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2561.598151][ T10] netdev_get_by_index+0x5e/0x80 [ 2561.598151][ T10] fib6_nh_init+0x3d8/0x1580 [ 2561.598151][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2561.598151][ T10] ip6_route_add+0x1c/0x140 [ 2561.598151][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2561.598151][ T10] addrconf_add_dev+0xe2/0x170 [ 2561.598151][ T10] inet6_addr_add+0x12f/0xa40 [ 2561.598151][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2561.598151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2561.598151][ T10] netlink_rcv_skb+0x130/0x360 [ 2561.598151][ T10] netlink_unicast+0x449/0x710 [ 2561.598151][ T10] netlink_sendmsg+0x723/0xbe0 [ 2561.598151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2561.598151][ T10] ___sys_sendmsg+0xee/0x170 [ 2561.598151][ T10] __sys_sendmsg+0xcd/0x170 [ 2561.598151][ T10] do_syscall_64+0xc6/0x1e0 [ 2561.598151][ T10] [ 2561.600454][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2561.600454][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2561.600454][ T10] ipv6_find_idev+0x102/0x170 [ 2561.600454][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2561.600454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2561.600454][ T10] netlink_rcv_skb+0x130/0x360 [ 2561.600454][ T10] netlink_unicast+0x449/0x710 [ 2561.600454][ T10] netlink_sendmsg+0x723/0xbe0 [ 2561.600454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2561.600454][ T10] ___sys_sendmsg+0xee/0x170 [ 2561.600454][ T10] __sys_sendmsg+0xcd/0x170 [ 2561.600454][ T10] do_syscall_64+0xc6/0x1e0 [ 2561.600454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2561.600454][ T10] [ 2561.602271][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2561.602271][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2561.602271][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2561.602271][ T10] ipv6_find_idev+0x102/0x170 [ 2561.602271][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2561.602271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2561.602271][ T10] netlink_rcv_skb+0x130/0x360 [ 2561.602271][ T10] netlink_unicast+0x449/0x710 [ 2561.602271][ T10] netlink_sendmsg+0x723/0xbe0 [ 2561.602271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2561.602271][ T10] ___sys_sendmsg+0xee/0x170 [ 2561.602271][ T10] __sys_sendmsg+0xcd/0x170 [ 2561.602271][ T10] do_syscall_64+0xc6/0x1e0 [ 2561.602271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2561.602271][ T10] [ 2561.604251][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2561.604545][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2561.604545][ T10] netdev_get_by_index+0x5e/0x80 [ 2561.604545][ T10] fib6_nh_init+0x3d8/0x1580 [ 2561.604545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2561.604545][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2561.604545][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2561.604545][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2561.604545][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2561.604545][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2561.604545][ T10] addrconf_dad_begin+0x310/0x670 [ 2561.604545][ T10] addrconf_dad_work+0x10b/0xab0 [ 2561.604545][ T10] process_one_work+0x84d/0x18a0 [ 2561.604545][ T10] worker_thread+0x587/0xd30 [ 2561.604545][ T10] kthread+0x28a/0x350 [ 2561.604545][ T10] ret_from_fork+0x31/0x70 [ 2561.604545][ T10] ret_from_fork_asm+0x1a/0x30 [ 2561.604545][ T10] [ 2561.606790][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2561.606790][ T10] netdev_get_by_index+0x5e/0x80 [ 2561.606790][ T10] fib6_nh_init+0x3d8/0x1580 [ 2561.606790][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2561.606790][ T10] ip6_route_add+0x1c/0x140 [ 2561.606790][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2561.606790][ T10] inet6_addr_add+0x4f8/0xa40 [ 2561.606790][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2561.606790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2561.606790][ T10] netlink_rcv_skb+0x130/0x360 [ 2561.606790][ T10] netlink_unicast+0x449/0x710 [ 2561.606790][ T10] netlink_sendmsg+0x723/0xbe0 [ 2561.606790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2561.606790][ T10] ___sys_sendmsg+0xee/0x170 [ 2561.606790][ T10] __sys_sendmsg+0xcd/0x170 [ 2561.606790][ T10] do_syscall_64+0xc6/0x1e0 [ 2561.606790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2561.606790][ T10] [ 2561.609405][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2561.609405][ T10] netdev_get_by_index+0x5e/0x80 [ 2561.609405][ T10] fib6_nh_init+0x3d8/0x1580 [ 2561.609405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2561.609405][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2561.609405][ T10] ipv6_add_addr+0x411/0x2000 [ 2561.609405][ T10] inet6_addr_add+0x30e/0xa40 [ 2561.609405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2561.609405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2561.609405][ T10] netlink_rcv_skb+0x130/0x360 [ 2561.609405][ T10] netlink_unicast+0x449/0x710 [ 2561.609405][ T10] netlink_sendmsg+0x723/0xbe0 [ 2561.609405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2561.609405][ T10] ___sys_sendmsg+0xee/0x170 [ 2561.609405][ T10] __sys_sendmsg+0xcd/0x170 [ 2561.609405][ T10] do_syscall_64+0xc6/0x1e0 [ 2561.609405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2561.609405][ T10] [ 2561.611844][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2561.611844][ T10] netdev_get_by_index+0x5e/0x80 [ 2561.611844][ T10] fib6_nh_init+0x3d8/0x1580 [ 2561.611844][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2561.611844][ T10] ip6_route_add+0x1c/0x140 [ 2561.611844][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2561.611844][ T10] addrconf_add_dev+0xe2/0x170 [ 2561.611844][ T10] inet6_addr_add+0x12f/0xa40 [ 2561.611844][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2561.611844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2561.611844][ T10] netlink_rcv_skb+0x130/0x360 [ 2561.611844][ T10] netlink_unicast+0x449/0x710 [ 2561.611844][ T10] netlink_sendmsg+0x723/0xbe0 [ 2561.611844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2561.611844][ T10] ___sys_sendmsg+0xee/0x170 [ 2561.611844][ T10] __sys_sendmsg+0xcd/0x170 [ 2561.611844][ T10] do_syscall_64+0xc6/0x1e0 [ 2561.611844][ T10] [ 2561.614327][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2561.614327][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2561.614327][ T10] ipv6_find_idev+0x102/0x170 [ 2561.614327][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2561.614327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2561.614327][ T10] netlink_rcv_skb+0x130/0x360 [ 2561.614327][ T10] netlink_unicast+0x449/0x710 [ 2561.614327][ T10] netlink_sendmsg+0x723/0xbe0 [ 2561.614327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2561.614327][ T10] ___sys_sendmsg+0xee/0x170 [ 2561.614327][ T10] __sys_sendmsg+0xcd/0x170 [ 2561.614327][ T10] do_syscall_64+0xc6/0x1e0 [ 2561.614327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2561.614327][ T10] [ 2561.616319][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2561.616319][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2561.616319][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2561.616319][ T10] ipv6_find_idev+0x102/0x170 [ 2561.616319][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2561.616319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2561.616319][ T10] netlink_rcv_skb+0x130/0x360 [ 2561.616319][ T10] netlink_unicast+0x449/0x710 [ 2561.616319][ T10] netlink_sendmsg+0x723/0xbe0 [ 2561.616319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2561.616319][ T10] ___sys_sendmsg+0xee/0x170 [ 2561.616319][ T10] __sys_sendmsg+0xcd/0x170 [ 2561.616319][ T10] do_syscall_64+0xc6/0x1e0 [ 2561.616319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2561.616319][ T10] [ 2561.618912][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2561.619610][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2561.619610][ T10] netdev_get_by_index+0x5e/0x80 [ 2561.619610][ T10] fib6_nh_init+0x3d8/0x1580 [ 2561.619610][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2561.619610][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2561.619610][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2561.619610][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2561.619610][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2561.619610][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2561.619610][ T10] addrconf_dad_begin+0x310/0x670 [ 2561.619610][ T10] addrconf_dad_work+0x10b/0xab0 [ 2561.619610][ T10] process_one_work+0x84d/0x18a0 [ 2561.619610][ T10] worker_thread+0x587/0xd30 [ 2561.619610][ T10] kthread+0x28a/0x350 [ 2561.619610][ T10] ret_from_fork+0x31/0x70 [ 2561.619610][ T10] ret_from_fork_asm+0x1a/0x30 [ 2561.619610][ T10] [ 2561.621842][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2561.621842][ T10] netdev_get_by_index+0x5e/0x80 [ 2561.621842][ T10] fib6_nh_init+0x3d8/0x1580 [ 2561.621842][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2561.621842][ T10] ip6_route_add+0x1c/0x140 [ 2561.621842][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2561.621842][ T10] inet6_addr_add+0x4f8/0xa40 [ 2561.621842][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2561.621842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2561.621842][ T10] netlink_rcv_skb+0x130/0x360 [ 2561.621842][ T10] netlink_unicast+0x449/0x710 [ 2561.621842][ T10] netlink_sendmsg+0x723/0xbe0 [ 2561.621842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2561.621842][ T10] ___sys_sendmsg+0xee/0x170 [ 2561.621842][ T10] __sys_sendmsg+0xcd/0x170 [ 2561.621842][ T10] do_syscall_64+0xc6/0x1e0 [ 2561.621842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2561.621842][ T10] [ 2561.624191][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2561.624191][ T10] netdev_get_by_index+0x5e/0x80 [ 2561.624191][ T10] fib6_nh_init+0x3d8/0x1580 [ 2561.624191][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2561.624191][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2561.624191][ T10] ipv6_add_addr+0x411/0x2000 [ 2561.624191][ T10] inet6_addr_add+0x30e/0xa40 [ 2561.624191][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2561.624191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2561.624191][ T10] netlink_rcv_skb+0x130/0x360 [ 2561.624191][ T10] netlink_unicast+0x449/0x710 [ 2561.624191][ T10] netlink_sendmsg+0x723/0xbe0 [ 2561.624191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2561.624191][ T10] ___sys_sendmsg+0xee/0x170 [ 2561.624191][ T10] __sys_sendmsg+0xcd/0x170 [ 2561.624191][ T10] do_syscall_64+0xc6/0x1e0 [ 2561.624191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2561.624191][ T10] [ 2561.626523][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2561.626523][ T10] netdev_get_by_index+0x5e/0x80 [ 2561.626523][ T10] fib6_nh_init+0x3d8/0x1580 [ 2561.626523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2561.626523][ T10] ip6_route_add+0x1c/0x140 [ 2561.626523][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2561.626523][ T10] addrconf_add_dev+0xe2/0x170 [ 2561.626523][ T10] inet6_addr_add+0x12f/0xa40 [ 2561.626523][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2561.626523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2561.626523][ T10] netlink_rcv_skb+0x130/0x360 [ 2561.626523][ T10] netlink_unicast+0x449/0x710 [ 2561.626523][ T10] netlink_sendmsg+0x723/0xbe0 [ 2561.626523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2561.626523][ T10] ___sys_sendmsg+0xee/0x170 [ 2561.626523][ T10] __sys_sendmsg+0xcd/0x170 [ 2561.626523][ T10] do_syscall_64+0xc6/0x1e0 [ 2561.626523][ T10] [ 2561.628869][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2561.628869][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2561.628869][ T10] ipv6_find_idev+0x102/0x170 [ 2561.628869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2561.628869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2561.628869][ T10] netlink_rcv_skb+0x130/0x360 [ 2561.628869][ T10] netlink_unicast+0x449/0x710 [ 2561.628869][ T10] netlink_sendmsg+0x723/0xbe0 [ 2561.628869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2561.628869][ T10] ___sys_sendmsg+0xee/0x170 [ 2561.628869][ T10] __sys_sendmsg+0xcd/0x170 [ 2561.628869][ T10] do_syscall_64+0xc6/0x1e0 [ 2561.628869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2561.628869][ T10] [ 2561.630855][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2561.630855][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2561.630855][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2561.630855][ T10] ipv6_find_idev+0x102/0x170 [ 2561.630855][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2561.630855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2561.630855][ T10] netlink_rcv_skb+0x130/0x360 [ 2561.630855][ T10] netlink_unicast+0x449/0x710 [ 2561.630855][ T10] netlink_sendmsg+0x723/0xbe0 [ 2561.630855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2561.630855][ T10] ___sys_sendmsg+0xee/0x170 [ 2561.630855][ T10] __sys_sendmsg+0xcd/0x170 [ 2561.630855][ T10] do_syscall_64+0xc6/0x1e0 [ 2561.630855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2561.630855][ T10] [ 2564.905060][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2564.905562][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2564.905562][ T1167] dst_init+0x84/0x4a0 [ 2564.905562][ T1167] dst_alloc+0x97/0x150 [ 2564.905562][ T1167] ip6_dst_alloc+0x23/0x90 [ 2564.905562][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2564.905562][ T1167] ip6_pol_route+0x56f/0x840 [ 2564.905562][ T1167] fib6_rule_lookup+0x334/0x630 [ 2564.905562][ T1167] ip6_route_output_flags+0x259/0x480 [ 2564.905562][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2564.905562][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2564.905562][ T1167] netlink_rcv_skb+0x130/0x360 [ 2564.905562][ T1167] netlink_unicast+0x449/0x710 [ 2564.905562][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2564.905562][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2564.905562][ T1167] ___sys_sendmsg+0xee/0x170 [ 2564.905562][ T1167] __sys_sendmsg+0xcd/0x170 [ 2564.905562][ T1167] do_syscall_64+0xc6/0x1e0 [ 2564.905562][ T1167] [ 2564.907779][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2564.907779][ T1167] netdev_get_by_index+0x5e/0x80 [ 2564.907779][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2564.907779][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2564.907779][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2564.907779][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2564.907779][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2564.907779][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2564.907779][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2564.907779][ T1167] addrconf_dad_begin+0x310/0x670 [ 2564.907779][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2564.907779][ T1167] process_one_work+0x84d/0x18a0 [ 2564.907779][ T1167] worker_thread+0x587/0xd30 [ 2564.907779][ T1167] kthread+0x28a/0x350 [ 2564.907779][ T1167] ret_from_fork+0x31/0x70 [ 2564.907779][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2564.907779][ T1167] [ 2564.909940][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2564.909940][ T1167] netdev_get_by_index+0x5e/0x80 [ 2564.909940][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2564.909940][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2564.909940][ T1167] ip6_route_add+0x1c/0x140 [ 2564.909940][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2564.909940][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2564.909940][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2564.909940][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.909940][ T1167] netlink_rcv_skb+0x130/0x360 [ 2564.909940][ T1167] netlink_unicast+0x449/0x710 [ 2564.909940][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2564.909940][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2564.909940][ T1167] ___sys_sendmsg+0xee/0x170 [ 2564.909940][ T1167] __sys_sendmsg+0xcd/0x170 [ 2564.909940][ T1167] do_syscall_64+0xc6/0x1e0 [ 2564.909940][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.909940][ T1167] [ 2564.912178][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2564.912178][ T1167] netdev_get_by_index+0x5e/0x80 [ 2564.912178][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2564.912178][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2564.912178][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2564.912178][ T1167] ipv6_add_addr+0x411/0x2000 [ 2564.912178][ T1167] inet6_addr_add+0x30e/0xa40 [ 2564.912178][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2564.912178][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.912178][ T1167] netlink_rcv_skb+0x130/0x360 [ 2564.912178][ T1167] netlink_unicast+0x449/0x710 [ 2564.912178][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2564.912178][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2564.912178][ T1167] ___sys_sendmsg+0xee/0x170 [ 2564.912178][ T1167] __sys_sendmsg+0xcd/0x170 [ 2564.912178][ T1167] do_syscall_64+0xc6/0x1e0 [ 2564.912178][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.912178][ T1167] [ 2564.914430][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2564.914430][ T1167] netdev_get_by_index+0x5e/0x80 [ 2564.914430][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2564.914430][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2564.914430][ T1167] ip6_route_add+0x1c/0x140 [ 2564.914430][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2564.914430][ T1167] addrconf_add_dev+0xe2/0x170 [ 2564.914430][ T1167] inet6_addr_add+0x12f/0xa40 [ 2564.914430][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2564.914430][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.914430][ T1167] netlink_rcv_skb+0x130/0x360 [ 2564.914430][ T1167] netlink_unicast+0x449/0x710 [ 2564.914430][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2564.914430][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2564.914430][ T1167] ___sys_sendmsg+0xee/0x170 [ 2564.914430][ T1167] __sys_sendmsg+0xcd/0x170 [ 2564.914430][ T1167] do_syscall_64+0xc6/0x1e0 [ 2564.914430][ T1167] [ 2564.916661][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2564.916661][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2564.916661][ T1167] ipv6_find_idev+0x102/0x170 [ 2564.916661][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2564.916661][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.916661][ T1167] netlink_rcv_skb+0x130/0x360 [ 2564.916661][ T1167] netlink_unicast+0x449/0x710 [ 2564.916661][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2564.916661][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2564.916661][ T1167] ___sys_sendmsg+0xee/0x170 [ 2564.916661][ T1167] __sys_sendmsg+0xcd/0x170 [ 2564.916661][ T1167] do_syscall_64+0xc6/0x1e0 [ 2564.916661][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.916661][ T1167] [ 2564.918394][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2564.918394][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2564.918394][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2564.918394][ T1167] ipv6_find_idev+0x102/0x170 [ 2564.918394][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2564.918394][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.918394][ T1167] netlink_rcv_skb+0x130/0x360 [ 2564.918394][ T1167] netlink_unicast+0x449/0x710 [ 2564.918394][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2564.918394][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2564.918394][ T1167] ___sys_sendmsg+0xee/0x170 [ 2564.918394][ T1167] __sys_sendmsg+0xcd/0x170 [ 2564.918394][ T1167] do_syscall_64+0xc6/0x1e0 [ 2564.918394][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.918394][ T1167] [ 2571.873056][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2571.873491][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2571.873491][ T10] netdev_get_by_index+0x5e/0x80 [ 2571.873491][ T10] fib6_nh_init+0x3d8/0x1580 [ 2571.873491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2571.873491][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2571.873491][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2571.873491][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2571.873491][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2571.873491][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2571.873491][ T10] addrconf_dad_begin+0x310/0x670 [ 2571.873491][ T10] addrconf_dad_work+0x10b/0xab0 [ 2571.873491][ T10] process_one_work+0x84d/0x18a0 [ 2571.873491][ T10] worker_thread+0x587/0xd30 [ 2571.873491][ T10] kthread+0x28a/0x350 [ 2571.873491][ T10] ret_from_fork+0x31/0x70 [ 2571.873491][ T10] ret_from_fork_asm+0x1a/0x30 [ 2571.873491][ T10] [ 2571.875417][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2571.875417][ T10] netdev_get_by_index+0x5e/0x80 [ 2571.875417][ T10] fib6_nh_init+0x3d8/0x1580 [ 2571.875417][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2571.875417][ T10] ip6_route_add+0x1c/0x140 [ 2571.875417][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2571.875417][ T10] inet6_addr_add+0x4f8/0xa40 [ 2571.875417][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2571.875417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2571.875417][ T10] netlink_rcv_skb+0x130/0x360 [ 2571.875417][ T10] netlink_unicast+0x449/0x710 [ 2571.875417][ T10] netlink_sendmsg+0x723/0xbe0 [ 2571.875417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2571.875417][ T10] ___sys_sendmsg+0xee/0x170 [ 2571.875417][ T10] __sys_sendmsg+0xcd/0x170 [ 2571.875417][ T10] do_syscall_64+0xc6/0x1e0 [ 2571.875417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2571.875417][ T10] [ 2571.877411][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2571.877411][ T10] netdev_get_by_index+0x5e/0x80 [ 2571.877411][ T10] fib6_nh_init+0x3d8/0x1580 [ 2571.877411][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2571.877411][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2571.877411][ T10] ipv6_add_addr+0x411/0x2000 [ 2571.877411][ T10] inet6_addr_add+0x30e/0xa40 [ 2571.877411][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2571.877411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2571.877411][ T10] netlink_rcv_skb+0x130/0x360 [ 2571.877411][ T10] netlink_unicast+0x449/0x710 [ 2571.877411][ T10] netlink_sendmsg+0x723/0xbe0 [ 2571.877411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2571.877411][ T10] ___sys_sendmsg+0xee/0x170 [ 2571.877411][ T10] __sys_sendmsg+0xcd/0x170 [ 2571.877411][ T10] do_syscall_64+0xc6/0x1e0 [ 2571.877411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2571.877411][ T10] [ 2571.879392][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2571.879392][ T10] netdev_get_by_index+0x5e/0x80 [ 2571.879392][ T10] fib6_nh_init+0x3d8/0x1580 [ 2571.879392][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2571.879392][ T10] ip6_route_add+0x1c/0x140 [ 2571.879392][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2571.879392][ T10] addrconf_add_dev+0xe2/0x170 [ 2571.879392][ T10] inet6_addr_add+0x12f/0xa40 [ 2571.879392][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2571.879392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2571.879392][ T10] netlink_rcv_skb+0x130/0x360 [ 2571.879392][ T10] netlink_unicast+0x449/0x710 [ 2571.879392][ T10] netlink_sendmsg+0x723/0xbe0 [ 2571.879392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2571.879392][ T10] ___sys_sendmsg+0xee/0x170 [ 2571.879392][ T10] __sys_sendmsg+0xcd/0x170 [ 2571.879392][ T10] do_syscall_64+0xc6/0x1e0 [ 2571.879392][ T10] [ 2571.881348][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2571.881348][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2571.881348][ T10] ipv6_find_idev+0x102/0x170 [ 2571.881348][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2571.881348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2571.881348][ T10] netlink_rcv_skb+0x130/0x360 [ 2571.881348][ T10] netlink_unicast+0x449/0x710 [ 2571.881348][ T10] netlink_sendmsg+0x723/0xbe0 [ 2571.881348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2571.881348][ T10] ___sys_sendmsg+0xee/0x170 [ 2571.881348][ T10] __sys_sendmsg+0xcd/0x170 [ 2571.881348][ T10] do_syscall_64+0xc6/0x1e0 [ 2571.881348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2571.881348][ T10] [ 2571.882874][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2571.882874][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2571.882874][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2571.882874][ T10] ipv6_find_idev+0x102/0x170 [ 2571.882874][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2571.882874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2571.882874][ T10] netlink_rcv_skb+0x130/0x360 [ 2571.882874][ T10] netlink_unicast+0x449/0x710 [ 2571.882874][ T10] netlink_sendmsg+0x723/0xbe0 [ 2571.882874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2571.882874][ T10] ___sys_sendmsg+0xee/0x170 [ 2571.882874][ T10] __sys_sendmsg+0xcd/0x170 [ 2571.882874][ T10] do_syscall_64+0xc6/0x1e0 [ 2571.882874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2571.882874][ T10] [ 2571.884553][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2571.884786][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2571.884786][ T10] netdev_get_by_index+0x5e/0x80 [ 2571.884786][ T10] fib6_nh_init+0x3d8/0x1580 [ 2571.884786][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2571.884786][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2571.884786][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2571.884786][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2571.884786][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2571.884786][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2571.884786][ T10] addrconf_dad_begin+0x310/0x670 [ 2571.884786][ T10] addrconf_dad_work+0x10b/0xab0 [ 2571.884786][ T10] process_one_work+0x84d/0x18a0 [ 2571.884786][ T10] worker_thread+0x587/0xd30 [ 2571.884786][ T10] kthread+0x28a/0x350 [ 2571.884786][ T10] ret_from_fork+0x31/0x70 [ 2571.884786][ T10] ret_from_fork_asm+0x1a/0x30 [ 2571.884786][ T10] [ 2571.886703][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2571.886703][ T10] netdev_get_by_index+0x5e/0x80 [ 2571.886703][ T10] fib6_nh_init+0x3d8/0x1580 [ 2571.886703][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2571.886703][ T10] ip6_route_add+0x1c/0x140 [ 2571.886703][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2571.886703][ T10] inet6_addr_add+0x4f8/0xa40 [ 2571.886703][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2571.886703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2571.886703][ T10] netlink_rcv_skb+0x130/0x360 [ 2571.886703][ T10] netlink_unicast+0x449/0x710 [ 2571.886703][ T10] netlink_sendmsg+0x723/0xbe0 [ 2571.886703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2571.886703][ T10] ___sys_sendmsg+0xee/0x170 [ 2571.886703][ T10] __sys_sendmsg+0xcd/0x170 [ 2571.886703][ T10] do_syscall_64+0xc6/0x1e0 [ 2571.886703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2571.886703][ T10] [ 2571.888697][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2571.888697][ T10] netdev_get_by_index+0x5e/0x80 [ 2571.888697][ T10] fib6_nh_init+0x3d8/0x1580 [ 2571.888697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2571.888697][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2571.888697][ T10] ipv6_add_addr+0x411/0x2000 [ 2571.888697][ T10] inet6_addr_add+0x30e/0xa40 [ 2571.888697][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2571.888697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2571.888697][ T10] netlink_rcv_skb+0x130/0x360 [ 2571.888697][ T10] netlink_unicast+0x449/0x710 [ 2571.888697][ T10] netlink_sendmsg+0x723/0xbe0 [ 2571.888697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2571.888697][ T10] ___sys_sendmsg+0xee/0x170 [ 2571.888697][ T10] __sys_sendmsg+0xcd/0x170 [ 2571.888697][ T10] do_syscall_64+0xc6/0x1e0 [ 2571.888697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2571.888697][ T10] [ 2571.890683][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2571.890683][ T10] netdev_get_by_index+0x5e/0x80 [ 2571.890683][ T10] fib6_nh_init+0x3d8/0x1580 [ 2571.890683][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2571.890683][ T10] ip6_route_add+0x1c/0x140 [ 2571.890683][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2571.890683][ T10] addrconf_add_dev+0xe2/0x170 [ 2571.890683][ T10] inet6_addr_add+0x12f/0xa40 [ 2571.890683][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2571.890683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2571.890683][ T10] netlink_rcv_skb+0x130/0x360 [ 2571.890683][ T10] netlink_unicast+0x449/0x710 [ 2571.890683][ T10] netlink_sendmsg+0x723/0xbe0 [ 2571.890683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2571.890683][ T10] ___sys_sendmsg+0xee/0x170 [ 2571.890683][ T10] __sys_sendmsg+0xcd/0x170 [ 2571.890683][ T10] do_syscall_64+0xc6/0x1e0 [ 2571.890683][ T10] [ 2571.892633][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2571.892633][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2571.892633][ T10] ipv6_find_idev+0x102/0x170 [ 2571.892633][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2571.892633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2571.892633][ T10] netlink_rcv_skb+0x130/0x360 [ 2571.892633][ T10] netlink_unicast+0x449/0x710 [ 2571.892633][ T10] netlink_sendmsg+0x723/0xbe0 [ 2571.892633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2571.892633][ T10] ___sys_sendmsg+0xee/0x170 [ 2571.892633][ T10] __sys_sendmsg+0xcd/0x170 [ 2571.892633][ T10] do_syscall_64+0xc6/0x1e0 [ 2571.892633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2571.892633][ T10] [ 2571.894161][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2571.894161][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2571.894161][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2571.894161][ T10] ipv6_find_idev+0x102/0x170 [ 2571.894161][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2571.894161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2571.894161][ T10] netlink_rcv_skb+0x130/0x360 [ 2571.894161][ T10] netlink_unicast+0x449/0x710 [ 2571.894161][ T10] netlink_sendmsg+0x723/0xbe0 [ 2571.894161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2571.894161][ T10] ___sys_sendmsg+0xee/0x170 [ 2571.894161][ T10] __sys_sendmsg+0xcd/0x170 [ 2571.894161][ T10] do_syscall_64+0xc6/0x1e0 [ 2571.894161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2571.894161][ T10] [ 2571.895827][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2571.896095][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2571.896095][ T10] netdev_get_by_index+0x5e/0x80 [ 2571.896095][ T10] fib6_nh_init+0x3d8/0x1580 [ 2571.896095][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2571.896095][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2571.896095][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2571.896095][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2571.896095][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2571.896095][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2571.896095][ T10] addrconf_dad_begin+0x310/0x670 [ 2571.896095][ T10] addrconf_dad_work+0x10b/0xab0 [ 2571.896095][ T10] process_one_work+0x84d/0x18a0 [ 2571.896095][ T10] worker_thread+0x587/0xd30 [ 2571.896095][ T10] kthread+0x28a/0x350 [ 2571.896095][ T10] ret_from_fork+0x31/0x70 [ 2571.896095][ T10] ret_from_fork_asm+0x1a/0x30 [ 2571.896095][ T10] [ 2571.898002][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2571.898002][ T10] netdev_get_by_index+0x5e/0x80 [ 2571.898002][ T10] fib6_nh_init+0x3d8/0x1580 [ 2571.898002][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2571.898002][ T10] ip6_route_add+0x1c/0x140 [ 2571.898002][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2571.898002][ T10] inet6_addr_add+0x4f8/0xa40 [ 2571.898002][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2571.898002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2571.898002][ T10] netlink_rcv_skb+0x130/0x360 [ 2571.898002][ T10] netlink_unicast+0x449/0x710 [ 2571.898002][ T10] netlink_sendmsg+0x723/0xbe0 [ 2571.898002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2571.898002][ T10] ___sys_sendmsg+0xee/0x170 [ 2571.898002][ T10] __sys_sendmsg+0xcd/0x170 [ 2571.898002][ T10] do_syscall_64+0xc6/0x1e0 [ 2571.898002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2571.898002][ T10] [ 2571.900181][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2571.900181][ T10] netdev_get_by_index+0x5e/0x80 [ 2571.900181][ T10] fib6_nh_init+0x3d8/0x1580 [ 2571.900181][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2571.900181][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2571.900181][ T10] ipv6_add_addr+0x411/0x2000 [ 2571.900181][ T10] inet6_addr_add+0x30e/0xa40 [ 2571.900181][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2571.900181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2571.900181][ T10] netlink_rcv_skb+0x130/0x360 [ 2571.900181][ T10] netlink_unicast+0x449/0x710 [ 2571.900181][ T10] netlink_sendmsg+0x723/0xbe0 [ 2571.900181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2571.900181][ T10] ___sys_sendmsg+0xee/0x170 [ 2571.900181][ T10] __sys_sendmsg+0xcd/0x170 [ 2571.900181][ T10] do_syscall_64+0xc6/0x1e0 [ 2571.900181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2571.900181][ T10] [ 2571.903031][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2571.903031][ T10] netdev_get_by_index+0x5e/0x80 [ 2571.903031][ T10] fib6_nh_init+0x3d8/0x1580 [ 2571.903031][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2571.903031][ T10] ip6_route_add+0x1c/0x140 [ 2571.903031][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2571.903031][ T10] addrconf_add_dev+0xe2/0x170 [ 2571.903031][ T10] inet6_addr_add+0x12f/0xa40 [ 2571.903031][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2571.903031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2571.903031][ T10] netlink_rcv_skb+0x130/0x360 [ 2571.903031][ T10] netlink_unicast+0x449/0x710 [ 2571.903031][ T10] netlink_sendmsg+0x723/0xbe0 [ 2571.903031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2571.903031][ T10] ___sys_sendmsg+0xee/0x170 [ 2571.903031][ T10] __sys_sendmsg+0xcd/0x170 [ 2571.903031][ T10] do_syscall_64+0xc6/0x1e0 [ 2571.903031][ T10] [ 2571.905159][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2571.905159][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2571.905159][ T10] ipv6_find_idev+0x102/0x170 [ 2571.905159][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2571.905159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2571.905159][ T10] netlink_rcv_skb+0x130/0x360 [ 2571.905159][ T10] netlink_unicast+0x449/0x710 [ 2571.905159][ T10] netlink_sendmsg+0x723/0xbe0 [ 2571.905159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2571.905159][ T10] ___sys_sendmsg+0xee/0x170 [ 2571.905159][ T10] __sys_sendmsg+0xcd/0x170 [ 2571.905159][ T10] do_syscall_64+0xc6/0x1e0 [ 2571.905159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2571.905159][ T10] [ 2571.906879][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2571.906879][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2571.906879][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2571.906879][ T10] ipv6_find_idev+0x102/0x170 [ 2571.906879][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2571.906879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2571.906879][ T10] netlink_rcv_skb+0x130/0x360 [ 2571.906879][ T10] netlink_unicast+0x449/0x710 [ 2571.906879][ T10] netlink_sendmsg+0x723/0xbe0 [ 2571.906879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2571.906879][ T10] ___sys_sendmsg+0xee/0x170 [ 2571.906879][ T10] __sys_sendmsg+0xcd/0x170 [ 2571.906879][ T10] do_syscall_64+0xc6/0x1e0 [ 2571.906879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2571.906879][ T10] [ 2571.908680][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2571.908920][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2571.908920][ T10] netdev_get_by_index+0x5e/0x80 [ 2571.908920][ T10] fib6_nh_init+0x3d8/0x1580 [ 2571.908920][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2571.908920][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2571.908920][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2571.908920][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2571.908920][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2571.908920][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2571.908920][ T10] addrconf_dad_begin+0x310/0x670 [ 2571.908920][ T10] addrconf_dad_work+0x10b/0xab0 [ 2571.908920][ T10] process_one_work+0x84d/0x18a0 [ 2571.908920][ T10] worker_thread+0x587/0xd30 [ 2571.908920][ T10] kthread+0x28a/0x350 [ 2571.908920][ T10] ret_from_fork+0x31/0x70 [ 2571.908920][ T10] ret_from_fork_asm+0x1a/0x30 [ 2571.908920][ T10] [ 2571.911215][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2571.911215][ T10] netdev_get_by_index+0x5e/0x80 [ 2571.911215][ T10] fib6_nh_init+0x3d8/0x1580 [ 2571.911215][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2571.911215][ T10] ip6_route_add+0x1c/0x140 [ 2571.911215][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2571.911215][ T10] inet6_addr_add+0x4f8/0xa40 [ 2571.911215][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2571.911215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2571.911215][ T10] netlink_rcv_skb+0x130/0x360 [ 2571.911215][ T10] netlink_unicast+0x449/0x710 [ 2571.911215][ T10] netlink_sendmsg+0x723/0xbe0 [ 2571.911215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2571.911215][ T10] ___sys_sendmsg+0xee/0x170 [ 2571.911215][ T10] __sys_sendmsg+0xcd/0x170 [ 2571.911215][ T10] do_syscall_64+0xc6/0x1e0 [ 2571.911215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2571.911215][ T10] [ 2571.913446][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2571.913446][ T10] netdev_get_by_index+0x5e/0x80 [ 2571.913446][ T10] fib6_nh_init+0x3d8/0x1580 [ 2571.913446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2571.913446][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2571.913446][ T10] ipv6_add_addr+0x411/0x2000 [ 2571.913446][ T10] inet6_addr_add+0x30e/0xa40 [ 2571.913446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2571.913446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2571.913446][ T10] netlink_rcv_skb+0x130/0x360 [ 2571.913446][ T10] netlink_unicast+0x449/0x710 [ 2571.913446][ T10] netlink_sendmsg+0x723/0xbe0 [ 2571.913446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2571.913446][ T10] ___sys_sendmsg+0xee/0x170 [ 2571.913446][ T10] __sys_sendmsg+0xcd/0x170 [ 2571.913446][ T10] do_syscall_64+0xc6/0x1e0 [ 2571.913446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2571.913446][ T10] [ 2571.916017][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2571.916017][ T10] netdev_get_by_index+0x5e/0x80 [ 2571.916017][ T10] fib6_nh_init+0x3d8/0x1580 [ 2571.916017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2571.916017][ T10] ip6_route_add+0x1c/0x140 [ 2571.916017][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2571.916017][ T10] addrconf_add_dev+0xe2/0x170 [ 2571.916017][ T10] inet6_addr_add+0x12f/0xa40 [ 2571.916017][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2571.916017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2571.916017][ T10] netlink_rcv_skb+0x130/0x360 [ 2571.916017][ T10] netlink_unicast+0x449/0x710 [ 2571.916017][ T10] netlink_sendmsg+0x723/0xbe0 [ 2571.916017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2571.916017][ T10] ___sys_sendmsg+0xee/0x170 [ 2571.916017][ T10] __sys_sendmsg+0xcd/0x170 [ 2571.916017][ T10] do_syscall_64+0xc6/0x1e0 [ 2571.916017][ T10] [ 2571.918162][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2571.918162][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2571.918162][ T10] ipv6_find_idev+0x102/0x170 [ 2571.918162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2571.918162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2571.918162][ T10] netlink_rcv_skb+0x130/0x360 [ 2571.918162][ T10] netlink_unicast+0x449/0x710 [ 2571.918162][ T10] netlink_sendmsg+0x723/0xbe0 [ 2571.918162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2571.918162][ T10] ___sys_sendmsg+0xee/0x170 [ 2571.918162][ T10] __sys_sendmsg+0xcd/0x170 [ 2571.918162][ T10] do_syscall_64+0xc6/0x1e0 [ 2571.918162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2571.918162][ T10] [ 2571.919876][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2571.919876][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2571.919876][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2571.919876][ T10] ipv6_find_idev+0x102/0x170 [ 2571.919876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2571.919876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2571.919876][ T10] netlink_rcv_skb+0x130/0x360 [ 2571.919876][ T10] netlink_unicast+0x449/0x710 [ 2571.919876][ T10] netlink_sendmsg+0x723/0xbe0 [ 2571.919876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2571.919876][ T10] ___sys_sendmsg+0xee/0x170 [ 2571.919876][ T10] __sys_sendmsg+0xcd/0x170 [ 2571.919876][ T10] do_syscall_64+0xc6/0x1e0 [ 2571.919876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2571.919876][ T10] [ 2575.161108][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2575.161609][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2575.161609][ T1167] dst_init+0x84/0x4a0 [ 2575.161609][ T1167] dst_alloc+0x97/0x150 [ 2575.161609][ T1167] ip6_dst_alloc+0x23/0x90 [ 2575.161609][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2575.161609][ T1167] ip6_pol_route+0x56f/0x840 [ 2575.161609][ T1167] fib6_rule_lookup+0x334/0x630 [ 2575.161609][ T1167] ip6_route_output_flags+0x259/0x480 [ 2575.161609][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2575.161609][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2575.161609][ T1167] netlink_rcv_skb+0x130/0x360 [ 2575.161609][ T1167] netlink_unicast+0x449/0x710 [ 2575.161609][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2575.161609][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2575.161609][ T1167] ___sys_sendmsg+0xee/0x170 [ 2575.161609][ T1167] __sys_sendmsg+0xcd/0x170 [ 2575.161609][ T1167] do_syscall_64+0xc6/0x1e0 [ 2575.161609][ T1167] [ 2575.163808][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2575.163808][ T1167] netdev_get_by_index+0x5e/0x80 [ 2575.163808][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2575.163808][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2575.163808][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2575.163808][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2575.163808][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2575.163808][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2575.163808][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2575.163808][ T1167] addrconf_dad_begin+0x310/0x670 [ 2575.163808][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2575.163808][ T1167] process_one_work+0x84d/0x18a0 [ 2575.163808][ T1167] worker_thread+0x587/0xd30 [ 2575.163808][ T1167] kthread+0x28a/0x350 [ 2575.163808][ T1167] ret_from_fork+0x31/0x70 [ 2575.163808][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2575.163808][ T1167] [ 2575.165971][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2575.165971][ T1167] netdev_get_by_index+0x5e/0x80 [ 2575.165971][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2575.165971][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2575.165971][ T1167] ip6_route_add+0x1c/0x140 [ 2575.165971][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2575.165971][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2575.165971][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2575.165971][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2575.165971][ T1167] netlink_rcv_skb+0x130/0x360 [ 2575.165971][ T1167] netlink_unicast+0x449/0x710 [ 2575.165971][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2575.165971][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2575.165971][ T1167] ___sys_sendmsg+0xee/0x170 [ 2575.165971][ T1167] __sys_sendmsg+0xcd/0x170 [ 2575.165971][ T1167] do_syscall_64+0xc6/0x1e0 [ 2575.165971][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2575.165971][ T1167] [ 2575.168215][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2575.168215][ T1167] netdev_get_by_index+0x5e/0x80 [ 2575.168215][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2575.168215][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2575.168215][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2575.168215][ T1167] ipv6_add_addr+0x411/0x2000 [ 2575.168215][ T1167] inet6_addr_add+0x30e/0xa40 [ 2575.168215][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2575.168215][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2575.168215][ T1167] netlink_rcv_skb+0x130/0x360 [ 2575.168215][ T1167] netlink_unicast+0x449/0x710 [ 2575.168215][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2575.168215][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2575.168215][ T1167] ___sys_sendmsg+0xee/0x170 [ 2575.168215][ T1167] __sys_sendmsg+0xcd/0x170 [ 2575.168215][ T1167] do_syscall_64+0xc6/0x1e0 [ 2575.168215][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2575.168215][ T1167] [ 2575.170471][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2575.170471][ T1167] netdev_get_by_index+0x5e/0x80 [ 2575.170471][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2575.170471][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2575.170471][ T1167] ip6_route_add+0x1c/0x140 [ 2575.170471][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2575.170471][ T1167] addrconf_add_dev+0xe2/0x170 [ 2575.170471][ T1167] inet6_addr_add+0x12f/0xa40 [ 2575.170471][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2575.170471][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2575.170471][ T1167] netlink_rcv_skb+0x130/0x360 [ 2575.170471][ T1167] netlink_unicast+0x449/0x710 [ 2575.170471][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2575.170471][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2575.170471][ T1167] ___sys_sendmsg+0xee/0x170 [ 2575.170471][ T1167] __sys_sendmsg+0xcd/0x170 [ 2575.170471][ T1167] do_syscall_64+0xc6/0x1e0 [ 2575.170471][ T1167] [ 2575.172680][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2575.172680][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2575.172680][ T1167] ipv6_find_idev+0x102/0x170 [ 2575.172680][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2575.172680][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2575.172680][ T1167] netlink_rcv_skb+0x130/0x360 [ 2575.172680][ T1167] netlink_unicast+0x449/0x710 [ 2575.172680][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2575.172680][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2575.172680][ T1167] ___sys_sendmsg+0xee/0x170 [ 2575.172680][ T1167] __sys_sendmsg+0xcd/0x170 [ 2575.172680][ T1167] do_syscall_64+0xc6/0x1e0 [ 2575.172680][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2575.172680][ T1167] [ 2575.174423][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2575.174423][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2575.174423][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2575.174423][ T1167] ipv6_find_idev+0x102/0x170 [ 2575.174423][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2575.174423][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2575.174423][ T1167] netlink_rcv_skb+0x130/0x360 [ 2575.174423][ T1167] netlink_unicast+0x449/0x710 [ 2575.174423][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2575.174423][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2575.174423][ T1167] ___sys_sendmsg+0xee/0x170 [ 2575.174423][ T1167] __sys_sendmsg+0xcd/0x170 [ 2575.174423][ T1167] do_syscall_64+0xc6/0x1e0 [ 2575.174423][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2575.174423][ T1167] [ 2582.073076][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2582.073465][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2582.073465][ T10] netdev_get_by_index+0x5e/0x80 [ 2582.073465][ T10] fib6_nh_init+0x3d8/0x1580 [ 2582.073465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2582.073465][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2582.073465][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2582.073465][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2582.073465][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2582.073465][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2582.073465][ T10] addrconf_dad_begin+0x310/0x670 [ 2582.073465][ T10] addrconf_dad_work+0x10b/0xab0 [ 2582.073465][ T10] process_one_work+0x84d/0x18a0 [ 2582.073465][ T10] worker_thread+0x587/0xd30 [ 2582.073465][ T10] kthread+0x28a/0x350 [ 2582.073465][ T10] ret_from_fork+0x31/0x70 [ 2582.073465][ T10] ret_from_fork_asm+0x1a/0x30 [ 2582.073465][ T10] [ 2582.075435][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2582.075435][ T10] netdev_get_by_index+0x5e/0x80 [ 2582.075435][ T10] fib6_nh_init+0x3d8/0x1580 [ 2582.075435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2582.075435][ T10] ip6_route_add+0x1c/0x140 [ 2582.075435][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2582.075435][ T10] inet6_addr_add+0x4f8/0xa40 [ 2582.075435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2582.075435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2582.075435][ T10] netlink_rcv_skb+0x130/0x360 [ 2582.075435][ T10] netlink_unicast+0x449/0x710 [ 2582.075435][ T10] netlink_sendmsg+0x723/0xbe0 [ 2582.075435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2582.075435][ T10] ___sys_sendmsg+0xee/0x170 [ 2582.075435][ T10] __sys_sendmsg+0xcd/0x170 [ 2582.075435][ T10] do_syscall_64+0xc6/0x1e0 [ 2582.075435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2582.075435][ T10] [ 2582.077465][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2582.077465][ T10] netdev_get_by_index+0x5e/0x80 [ 2582.077465][ T10] fib6_nh_init+0x3d8/0x1580 [ 2582.077465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2582.077465][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2582.077465][ T10] ipv6_add_addr+0x411/0x2000 [ 2582.077465][ T10] inet6_addr_add+0x30e/0xa40 [ 2582.077465][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2582.077465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2582.077465][ T10] netlink_rcv_skb+0x130/0x360 [ 2582.077465][ T10] netlink_unicast+0x449/0x710 [ 2582.077465][ T10] netlink_sendmsg+0x723/0xbe0 [ 2582.077465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2582.077465][ T10] ___sys_sendmsg+0xee/0x170 [ 2582.077465][ T10] __sys_sendmsg+0xcd/0x170 [ 2582.077465][ T10] do_syscall_64+0xc6/0x1e0 [ 2582.077465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2582.077465][ T10] [ 2582.079489][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2582.079489][ T10] netdev_get_by_index+0x5e/0x80 [ 2582.079489][ T10] fib6_nh_init+0x3d8/0x1580 [ 2582.079489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2582.079489][ T10] ip6_route_add+0x1c/0x140 [ 2582.079489][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2582.079489][ T10] addrconf_add_dev+0xe2/0x170 [ 2582.079489][ T10] inet6_addr_add+0x12f/0xa40 [ 2582.079489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2582.079489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2582.079489][ T10] netlink_rcv_skb+0x130/0x360 [ 2582.079489][ T10] netlink_unicast+0x449/0x710 [ 2582.079489][ T10] netlink_sendmsg+0x723/0xbe0 [ 2582.079489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2582.079489][ T10] ___sys_sendmsg+0xee/0x170 [ 2582.079489][ T10] __sys_sendmsg+0xcd/0x170 [ 2582.079489][ T10] do_syscall_64+0xc6/0x1e0 [ 2582.079489][ T10] [ 2582.081468][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2582.081468][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2582.081468][ T10] ipv6_find_idev+0x102/0x170 [ 2582.081468][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2582.081468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2582.081468][ T10] netlink_rcv_skb+0x130/0x360 [ 2582.081468][ T10] netlink_unicast+0x449/0x710 [ 2582.081468][ T10] netlink_sendmsg+0x723/0xbe0 [ 2582.081468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2582.081468][ T10] ___sys_sendmsg+0xee/0x170 [ 2582.081468][ T10] __sys_sendmsg+0xcd/0x170 [ 2582.081468][ T10] do_syscall_64+0xc6/0x1e0 [ 2582.081468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2582.081468][ T10] [ 2582.083030][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2582.083030][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2582.083030][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2582.083030][ T10] ipv6_find_idev+0x102/0x170 [ 2582.083030][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2582.083030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2582.083030][ T10] netlink_rcv_skb+0x130/0x360 [ 2582.083030][ T10] netlink_unicast+0x449/0x710 [ 2582.083030][ T10] netlink_sendmsg+0x723/0xbe0 [ 2582.083030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2582.083030][ T10] ___sys_sendmsg+0xee/0x170 [ 2582.083030][ T10] __sys_sendmsg+0xcd/0x170 [ 2582.083030][ T10] do_syscall_64+0xc6/0x1e0 [ 2582.083030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2582.083030][ T10] [ 2582.084755][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2582.085016][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2582.085016][ T10] netdev_get_by_index+0x5e/0x80 [ 2582.085016][ T10] fib6_nh_init+0x3d8/0x1580 [ 2582.085016][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2582.085016][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2582.085016][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2582.085016][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2582.085016][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2582.085016][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2582.085016][ T10] addrconf_dad_begin+0x310/0x670 [ 2582.085016][ T10] addrconf_dad_work+0x10b/0xab0 [ 2582.085016][ T10] process_one_work+0x84d/0x18a0 [ 2582.085016][ T10] worker_thread+0x587/0xd30 [ 2582.085016][ T10] kthread+0x28a/0x350 [ 2582.085016][ T10] ret_from_fork+0x31/0x70 [ 2582.085016][ T10] ret_from_fork_asm+0x1a/0x30 [ 2582.085016][ T10] [ 2582.086946][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2582.086946][ T10] netdev_get_by_index+0x5e/0x80 [ 2582.086946][ T10] fib6_nh_init+0x3d8/0x1580 [ 2582.086946][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2582.086946][ T10] ip6_route_add+0x1c/0x140 [ 2582.086946][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2582.086946][ T10] inet6_addr_add+0x4f8/0xa40 [ 2582.086946][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2582.086946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2582.086946][ T10] netlink_rcv_skb+0x130/0x360 [ 2582.086946][ T10] netlink_unicast+0x449/0x710 [ 2582.086946][ T10] netlink_sendmsg+0x723/0xbe0 [ 2582.086946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2582.086946][ T10] ___sys_sendmsg+0xee/0x170 [ 2582.086946][ T10] __sys_sendmsg+0xcd/0x170 [ 2582.086946][ T10] do_syscall_64+0xc6/0x1e0 [ 2582.086946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2582.086946][ T10] [ 2582.088951][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2582.088951][ T10] netdev_get_by_index+0x5e/0x80 [ 2582.088951][ T10] fib6_nh_init+0x3d8/0x1580 [ 2582.088951][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2582.088951][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2582.088951][ T10] ipv6_add_addr+0x411/0x2000 [ 2582.088951][ T10] inet6_addr_add+0x30e/0xa40 [ 2582.088951][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2582.088951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2582.088951][ T10] netlink_rcv_skb+0x130/0x360 [ 2582.088951][ T10] netlink_unicast+0x449/0x710 [ 2582.088951][ T10] netlink_sendmsg+0x723/0xbe0 [ 2582.088951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2582.088951][ T10] ___sys_sendmsg+0xee/0x170 [ 2582.088951][ T10] __sys_sendmsg+0xcd/0x170 [ 2582.088951][ T10] do_syscall_64+0xc6/0x1e0 [ 2582.088951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2582.088951][ T10] [ 2582.090951][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2582.090951][ T10] netdev_get_by_index+0x5e/0x80 [ 2582.090951][ T10] fib6_nh_init+0x3d8/0x1580 [ 2582.090951][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2582.090951][ T10] ip6_route_add+0x1c/0x140 [ 2582.090951][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2582.090951][ T10] addrconf_add_dev+0xe2/0x170 [ 2582.090951][ T10] inet6_addr_add+0x12f/0xa40 [ 2582.090951][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2582.090951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2582.090951][ T10] netlink_rcv_skb+0x130/0x360 [ 2582.090951][ T10] netlink_unicast+0x449/0x710 [ 2582.090951][ T10] netlink_sendmsg+0x723/0xbe0 [ 2582.090951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2582.090951][ T10] ___sys_sendmsg+0xee/0x170 [ 2582.090951][ T10] __sys_sendmsg+0xcd/0x170 [ 2582.090951][ T10] do_syscall_64+0xc6/0x1e0 [ 2582.090951][ T10] [ 2582.092928][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2582.092928][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2582.092928][ T10] ipv6_find_idev+0x102/0x170 [ 2582.092928][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2582.092928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2582.092928][ T10] netlink_rcv_skb+0x130/0x360 [ 2582.092928][ T10] netlink_unicast+0x449/0x710 [ 2582.092928][ T10] netlink_sendmsg+0x723/0xbe0 [ 2582.092928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2582.092928][ T10] ___sys_sendmsg+0xee/0x170 [ 2582.092928][ T10] __sys_sendmsg+0xcd/0x170 [ 2582.092928][ T10] do_syscall_64+0xc6/0x1e0 [ 2582.092928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2582.092928][ T10] [ 2582.094485][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2582.094485][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2582.094485][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2582.094485][ T10] ipv6_find_idev+0x102/0x170 [ 2582.094485][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2582.094485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2582.094485][ T10] netlink_rcv_skb+0x130/0x360 [ 2582.094485][ T10] netlink_unicast+0x449/0x710 [ 2582.094485][ T10] netlink_sendmsg+0x723/0xbe0 [ 2582.094485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2582.094485][ T10] ___sys_sendmsg+0xee/0x170 [ 2582.094485][ T10] __sys_sendmsg+0xcd/0x170 [ 2582.094485][ T10] do_syscall_64+0xc6/0x1e0 [ 2582.094485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2582.094485][ T10] [ 2582.096202][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2582.096458][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2582.096458][ T10] netdev_get_by_index+0x5e/0x80 [ 2582.096458][ T10] fib6_nh_init+0x3d8/0x1580 [ 2582.096458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2582.096458][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2582.096458][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2582.096458][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2582.096458][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2582.096458][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2582.096458][ T10] addrconf_dad_begin+0x310/0x670 [ 2582.096458][ T10] addrconf_dad_work+0x10b/0xab0 [ 2582.096458][ T10] process_one_work+0x84d/0x18a0 [ 2582.096458][ T10] worker_thread+0x587/0xd30 [ 2582.096458][ T10] kthread+0x28a/0x350 [ 2582.096458][ T10] ret_from_fork+0x31/0x70 [ 2582.096458][ T10] ret_from_fork_asm+0x1a/0x30 [ 2582.096458][ T10] [ 2582.098382][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2582.098382][ T10] netdev_get_by_index+0x5e/0x80 [ 2582.098382][ T10] fib6_nh_init+0x3d8/0x1580 [ 2582.098382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2582.098382][ T10] ip6_route_add+0x1c/0x140 [ 2582.098382][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2582.098382][ T10] inet6_addr_add+0x4f8/0xa40 [ 2582.098382][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2582.098382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2582.098382][ T10] netlink_rcv_skb+0x130/0x360 [ 2582.098382][ T10] netlink_unicast+0x449/0x710 [ 2582.098382][ T10] netlink_sendmsg+0x723/0xbe0 [ 2582.098382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2582.098382][ T10] ___sys_sendmsg+0xee/0x170 [ 2582.098382][ T10] __sys_sendmsg+0xcd/0x170 [ 2582.098382][ T10] do_syscall_64+0xc6/0x1e0 [ 2582.098382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2582.098382][ T10] [ 2582.100575][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2582.100575][ T10] netdev_get_by_index+0x5e/0x80 [ 2582.100575][ T10] fib6_nh_init+0x3d8/0x1580 [ 2582.100575][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2582.100575][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2582.100575][ T10] ipv6_add_addr+0x411/0x2000 [ 2582.100575][ T10] inet6_addr_add+0x30e/0xa40 [ 2582.100575][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2582.100575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2582.100575][ T10] netlink_rcv_skb+0x130/0x360 [ 2582.100575][ T10] netlink_unicast+0x449/0x710 [ 2582.100575][ T10] netlink_sendmsg+0x723/0xbe0 [ 2582.100575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2582.100575][ T10] ___sys_sendmsg+0xee/0x170 [ 2582.100575][ T10] __sys_sendmsg+0xcd/0x170 [ 2582.100575][ T10] do_syscall_64+0xc6/0x1e0 [ 2582.100575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2582.100575][ T10] [ 2582.102857][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2582.102857][ T10] netdev_get_by_index+0x5e/0x80 [ 2582.102857][ T10] fib6_nh_init+0x3d8/0x1580 [ 2582.102857][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2582.102857][ T10] ip6_route_add+0x1c/0x140 [ 2582.102857][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2582.102857][ T10] addrconf_add_dev+0xe2/0x170 [ 2582.102857][ T10] inet6_addr_add+0x12f/0xa40 [ 2582.102857][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2582.102857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2582.102857][ T10] netlink_rcv_skb+0x130/0x360 [ 2582.102857][ T10] netlink_unicast+0x449/0x710 [ 2582.102857][ T10] netlink_sendmsg+0x723/0xbe0 [ 2582.102857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2582.102857][ T10] ___sys_sendmsg+0xee/0x170 [ 2582.102857][ T10] __sys_sendmsg+0xcd/0x170 [ 2582.102857][ T10] do_syscall_64+0xc6/0x1e0 [ 2582.102857][ T10] [ 2582.105081][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2582.105081][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2582.105081][ T10] ipv6_find_idev+0x102/0x170 [ 2582.105081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2582.105081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2582.105081][ T10] netlink_rcv_skb+0x130/0x360 [ 2582.105081][ T10] netlink_unicast+0x449/0x710 [ 2582.105081][ T10] netlink_sendmsg+0x723/0xbe0 [ 2582.105081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2582.105081][ T10] ___sys_sendmsg+0xee/0x170 [ 2582.105081][ T10] __sys_sendmsg+0xcd/0x170 [ 2582.105081][ T10] do_syscall_64+0xc6/0x1e0 [ 2582.105081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2582.105081][ T10] [ 2582.106828][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2582.106828][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2582.106828][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2582.106828][ T10] ipv6_find_idev+0x102/0x170 [ 2582.106828][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2582.106828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2582.106828][ T10] netlink_rcv_skb+0x130/0x360 [ 2582.106828][ T10] netlink_unicast+0x449/0x710 [ 2582.106828][ T10] netlink_sendmsg+0x723/0xbe0 [ 2582.106828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2582.106828][ T10] ___sys_sendmsg+0xee/0x170 [ 2582.106828][ T10] __sys_sendmsg+0xcd/0x170 [ 2582.106828][ T10] do_syscall_64+0xc6/0x1e0 [ 2582.106828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2582.106828][ T10] [ 2582.108773][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2582.109017][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2582.109017][ T10] netdev_get_by_index+0x5e/0x80 [ 2582.109017][ T10] fib6_nh_init+0x3d8/0x1580 [ 2582.109017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2582.109017][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2582.109017][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2582.109017][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2582.109017][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2582.109017][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2582.109017][ T10] addrconf_dad_begin+0x310/0x670 [ 2582.109017][ T10] addrconf_dad_work+0x10b/0xab0 [ 2582.109017][ T10] process_one_work+0x84d/0x18a0 [ 2582.109017][ T10] worker_thread+0x587/0xd30 [ 2582.109017][ T10] kthread+0x28a/0x350 [ 2582.109017][ T10] ret_from_fork+0x31/0x70 [ 2582.109017][ T10] ret_from_fork_asm+0x1a/0x30 [ 2582.109017][ T10] [ 2582.111186][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2582.111186][ T10] netdev_get_by_index+0x5e/0x80 [ 2582.111186][ T10] fib6_nh_init+0x3d8/0x1580 [ 2582.111186][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2582.111186][ T10] ip6_route_add+0x1c/0x140 [ 2582.111186][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2582.111186][ T10] inet6_addr_add+0x4f8/0xa40 [ 2582.111186][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2582.111186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2582.111186][ T10] netlink_rcv_skb+0x130/0x360 [ 2582.111186][ T10] netlink_unicast+0x449/0x710 [ 2582.111186][ T10] netlink_sendmsg+0x723/0xbe0 [ 2582.111186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2582.111186][ T10] ___sys_sendmsg+0xee/0x170 [ 2582.111186][ T10] __sys_sendmsg+0xcd/0x170 [ 2582.111186][ T10] do_syscall_64+0xc6/0x1e0 [ 2582.111186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2582.111186][ T10] [ 2582.113434][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2582.113434][ T10] netdev_get_by_index+0x5e/0x80 [ 2582.113434][ T10] fib6_nh_init+0x3d8/0x1580 [ 2582.113434][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2582.113434][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2582.113434][ T10] ipv6_add_addr+0x411/0x2000 [ 2582.113434][ T10] inet6_addr_add+0x30e/0xa40 [ 2582.113434][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2582.113434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2582.113434][ T10] netlink_rcv_skb+0x130/0x360 [ 2582.113434][ T10] netlink_unicast+0x449/0x710 [ 2582.113434][ T10] netlink_sendmsg+0x723/0xbe0 [ 2582.113434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2582.113434][ T10] ___sys_sendmsg+0xee/0x170 [ 2582.113434][ T10] __sys_sendmsg+0xcd/0x170 [ 2582.113434][ T10] do_syscall_64+0xc6/0x1e0 [ 2582.113434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2582.113434][ T10] [ 2582.115688][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2582.115688][ T10] netdev_get_by_index+0x5e/0x80 [ 2582.115688][ T10] fib6_nh_init+0x3d8/0x1580 [ 2582.115688][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2582.115688][ T10] ip6_route_add+0x1c/0x140 [ 2582.115688][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2582.115688][ T10] addrconf_add_dev+0xe2/0x170 [ 2582.115688][ T10] inet6_addr_add+0x12f/0xa40 [ 2582.115688][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2582.115688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2582.115688][ T10] netlink_rcv_skb+0x130/0x360 [ 2582.115688][ T10] netlink_unicast+0x449/0x710 [ 2582.115688][ T10] netlink_sendmsg+0x723/0xbe0 [ 2582.115688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2582.115688][ T10] ___sys_sendmsg+0xee/0x170 [ 2582.115688][ T10] __sys_sendmsg+0xcd/0x170 [ 2582.115688][ T10] do_syscall_64+0xc6/0x1e0 [ 2582.115688][ T10] [ 2582.117907][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2582.117907][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2582.117907][ T10] ipv6_find_idev+0x102/0x170 [ 2582.117907][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2582.117907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2582.117907][ T10] netlink_rcv_skb+0x130/0x360 [ 2582.117907][ T10] netlink_unicast+0x449/0x710 [ 2582.117907][ T10] netlink_sendmsg+0x723/0xbe0 [ 2582.117907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2582.117907][ T10] ___sys_sendmsg+0xee/0x170 [ 2582.117907][ T10] __sys_sendmsg+0xcd/0x170 [ 2582.117907][ T10] do_syscall_64+0xc6/0x1e0 [ 2582.117907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2582.117907][ T10] [ 2582.119635][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2582.119635][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2582.119635][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2582.119635][ T10] ipv6_find_idev+0x102/0x170 [ 2582.119635][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2582.119635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2582.119635][ T10] netlink_rcv_skb+0x130/0x360 [ 2582.119635][ T10] netlink_unicast+0x449/0x710 [ 2582.119635][ T10] netlink_sendmsg+0x723/0xbe0 [ 2582.119635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2582.119635][ T10] ___sys_sendmsg+0xee/0x170 [ 2582.119635][ T10] __sys_sendmsg+0xcd/0x170 [ 2582.119635][ T10] do_syscall_64+0xc6/0x1e0 [ 2582.119635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2582.119635][ T10] [ 2585.417077][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2585.417596][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2585.417596][ T1167] dst_init+0x84/0x4a0 [ 2585.417596][ T1167] dst_alloc+0x97/0x150 [ 2585.417596][ T1167] ip6_dst_alloc+0x23/0x90 [ 2585.417596][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2585.417596][ T1167] ip6_pol_route+0x56f/0x840 [ 2585.417596][ T1167] fib6_rule_lookup+0x334/0x630 [ 2585.417596][ T1167] ip6_route_output_flags+0x259/0x480 [ 2585.417596][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2585.417596][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2585.417596][ T1167] netlink_rcv_skb+0x130/0x360 [ 2585.417596][ T1167] netlink_unicast+0x449/0x710 [ 2585.417596][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2585.417596][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2585.417596][ T1167] ___sys_sendmsg+0xee/0x170 [ 2585.417596][ T1167] __sys_sendmsg+0xcd/0x170 [ 2585.417596][ T1167] do_syscall_64+0xc6/0x1e0 [ 2585.417596][ T1167] [ 2585.419817][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2585.419817][ T1167] netdev_get_by_index+0x5e/0x80 [ 2585.419817][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2585.419817][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2585.419817][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2585.419817][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2585.419817][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2585.419817][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2585.419817][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2585.419817][ T1167] addrconf_dad_begin+0x310/0x670 [ 2585.419817][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2585.419817][ T1167] process_one_work+0x84d/0x18a0 [ 2585.419817][ T1167] worker_thread+0x587/0xd30 [ 2585.419817][ T1167] kthread+0x28a/0x350 [ 2585.419817][ T1167] ret_from_fork+0x31/0x70 [ 2585.419817][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2585.419817][ T1167] [ 2585.421968][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2585.421968][ T1167] netdev_get_by_index+0x5e/0x80 [ 2585.421968][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2585.421968][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2585.421968][ T1167] ip6_route_add+0x1c/0x140 [ 2585.421968][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2585.421968][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2585.421968][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2585.421968][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2585.421968][ T1167] netlink_rcv_skb+0x130/0x360 [ 2585.421968][ T1167] netlink_unicast+0x449/0x710 [ 2585.421968][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2585.421968][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2585.421968][ T1167] ___sys_sendmsg+0xee/0x170 [ 2585.421968][ T1167] __sys_sendmsg+0xcd/0x170 [ 2585.421968][ T1167] do_syscall_64+0xc6/0x1e0 [ 2585.421968][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2585.421968][ T1167] [ 2585.424199][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2585.424199][ T1167] netdev_get_by_index+0x5e/0x80 [ 2585.424199][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2585.424199][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2585.424199][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2585.424199][ T1167] ipv6_add_addr+0x411/0x2000 [ 2585.424199][ T1167] inet6_addr_add+0x30e/0xa40 [ 2585.424199][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2585.424199][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2585.424199][ T1167] netlink_rcv_skb+0x130/0x360 [ 2585.424199][ T1167] netlink_unicast+0x449/0x710 [ 2585.424199][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2585.424199][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2585.424199][ T1167] ___sys_sendmsg+0xee/0x170 [ 2585.424199][ T1167] __sys_sendmsg+0xcd/0x170 [ 2585.424199][ T1167] do_syscall_64+0xc6/0x1e0 [ 2585.424199][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2585.424199][ T1167] [ 2585.426473][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2585.426473][ T1167] netdev_get_by_index+0x5e/0x80 [ 2585.426473][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2585.426473][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2585.426473][ T1167] ip6_route_add+0x1c/0x140 [ 2585.426473][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2585.426473][ T1167] addrconf_add_dev+0xe2/0x170 [ 2585.426473][ T1167] inet6_addr_add+0x12f/0xa40 [ 2585.426473][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2585.426473][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2585.426473][ T1167] netlink_rcv_skb+0x130/0x360 [ 2585.426473][ T1167] netlink_unicast+0x449/0x710 [ 2585.426473][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2585.426473][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2585.426473][ T1167] ___sys_sendmsg+0xee/0x170 [ 2585.426473][ T1167] __sys_sendmsg+0xcd/0x170 [ 2585.426473][ T1167] do_syscall_64+0xc6/0x1e0 [ 2585.426473][ T1167] [ 2585.428665][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2585.428665][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2585.428665][ T1167] ipv6_find_idev+0x102/0x170 [ 2585.428665][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2585.428665][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2585.428665][ T1167] netlink_rcv_skb+0x130/0x360 [ 2585.428665][ T1167] netlink_unicast+0x449/0x710 [ 2585.428665][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2585.428665][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2585.428665][ T1167] ___sys_sendmsg+0xee/0x170 [ 2585.428665][ T1167] __sys_sendmsg+0xcd/0x170 [ 2585.428665][ T1167] do_syscall_64+0xc6/0x1e0 [ 2585.428665][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2585.428665][ T1167] [ 2585.430379][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2585.430379][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2585.430379][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2585.430379][ T1167] ipv6_find_idev+0x102/0x170 [ 2585.430379][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2585.430379][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2585.430379][ T1167] netlink_rcv_skb+0x130/0x360 [ 2585.430379][ T1167] netlink_unicast+0x449/0x710 [ 2585.430379][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2585.430379][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2585.430379][ T1167] ___sys_sendmsg+0xee/0x170 [ 2585.430379][ T1167] __sys_sendmsg+0xcd/0x170 [ 2585.430379][ T1167] do_syscall_64+0xc6/0x1e0 [ 2585.430379][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2585.430379][ T1167] [ 2592.361089][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2592.361539][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2592.361539][ T10] netdev_get_by_index+0x5e/0x80 [ 2592.361539][ T10] fib6_nh_init+0x3d8/0x1580 [ 2592.361539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2592.361539][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2592.361539][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2592.361539][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2592.361539][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2592.361539][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2592.361539][ T10] addrconf_dad_begin+0x310/0x670 [ 2592.361539][ T10] addrconf_dad_work+0x10b/0xab0 [ 2592.361539][ T10] process_one_work+0x84d/0x18a0 [ 2592.361539][ T10] worker_thread+0x587/0xd30 [ 2592.361539][ T10] kthread+0x28a/0x350 [ 2592.361539][ T10] ret_from_fork+0x31/0x70 [ 2592.361539][ T10] ret_from_fork_asm+0x1a/0x30 [ 2592.361539][ T10] [ 2592.364447][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2592.364447][ T10] netdev_get_by_index+0x5e/0x80 [ 2592.364447][ T10] fib6_nh_init+0x3d8/0x1580 [ 2592.364447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2592.364447][ T10] ip6_route_add+0x1c/0x140 [ 2592.364447][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2592.364447][ T10] inet6_addr_add+0x4f8/0xa40 [ 2592.364447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2592.364447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2592.364447][ T10] netlink_rcv_skb+0x130/0x360 [ 2592.364447][ T10] netlink_unicast+0x449/0x710 [ 2592.364447][ T10] netlink_sendmsg+0x723/0xbe0 [ 2592.364447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2592.364447][ T10] ___sys_sendmsg+0xee/0x170 [ 2592.364447][ T10] __sys_sendmsg+0xcd/0x170 [ 2592.364447][ T10] do_syscall_64+0xc6/0x1e0 [ 2592.364447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2592.364447][ T10] [ 2592.367554][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2592.367554][ T10] netdev_get_by_index+0x5e/0x80 [ 2592.367554][ T10] fib6_nh_init+0x3d8/0x1580 [ 2592.367554][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2592.367554][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2592.367554][ T10] ipv6_add_addr+0x411/0x2000 [ 2592.367554][ T10] inet6_addr_add+0x30e/0xa40 [ 2592.367554][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2592.367554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2592.367554][ T10] netlink_rcv_skb+0x130/0x360 [ 2592.367554][ T10] netlink_unicast+0x449/0x710 [ 2592.367554][ T10] netlink_sendmsg+0x723/0xbe0 [ 2592.367554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2592.367554][ T10] ___sys_sendmsg+0xee/0x170 [ 2592.367554][ T10] __sys_sendmsg+0xcd/0x170 [ 2592.367554][ T10] do_syscall_64+0xc6/0x1e0 [ 2592.367554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2592.367554][ T10] [ 2592.370528][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2592.370528][ T10] netdev_get_by_index+0x5e/0x80 [ 2592.370528][ T10] fib6_nh_init+0x3d8/0x1580 [ 2592.370528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2592.370528][ T10] ip6_route_add+0x1c/0x140 [ 2592.370528][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2592.370528][ T10] addrconf_add_dev+0xe2/0x170 [ 2592.370528][ T10] inet6_addr_add+0x12f/0xa40 [ 2592.370528][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2592.370528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2592.370528][ T10] netlink_rcv_skb+0x130/0x360 [ 2592.370528][ T10] netlink_unicast+0x449/0x710 [ 2592.370528][ T10] netlink_sendmsg+0x723/0xbe0 [ 2592.370528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2592.370528][ T10] ___sys_sendmsg+0xee/0x170 [ 2592.370528][ T10] __sys_sendmsg+0xcd/0x170 [ 2592.370528][ T10] do_syscall_64+0xc6/0x1e0 [ 2592.370528][ T10] [ 2592.373444][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2592.373444][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2592.373444][ T10] ipv6_find_idev+0x102/0x170 [ 2592.373444][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2592.373444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2592.373444][ T10] netlink_rcv_skb+0x130/0x360 [ 2592.373444][ T10] netlink_unicast+0x449/0x710 [ 2592.373444][ T10] netlink_sendmsg+0x723/0xbe0 [ 2592.373444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2592.373444][ T10] ___sys_sendmsg+0xee/0x170 [ 2592.373444][ T10] __sys_sendmsg+0xcd/0x170 [ 2592.373444][ T10] do_syscall_64+0xc6/0x1e0 [ 2592.373444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2592.373444][ T10] [ 2592.375928][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2592.375928][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2592.375928][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2592.375928][ T10] ipv6_find_idev+0x102/0x170 [ 2592.375928][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2592.375928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2592.375928][ T10] netlink_rcv_skb+0x130/0x360 [ 2592.375928][ T10] netlink_unicast+0x449/0x710 [ 2592.375928][ T10] netlink_sendmsg+0x723/0xbe0 [ 2592.375928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2592.375928][ T10] ___sys_sendmsg+0xee/0x170 [ 2592.375928][ T10] __sys_sendmsg+0xcd/0x170 [ 2592.375928][ T10] do_syscall_64+0xc6/0x1e0 [ 2592.375928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2592.375928][ T10] [ 2592.378814][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2592.379216][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2592.379216][ T10] netdev_get_by_index+0x5e/0x80 [ 2592.379216][ T10] fib6_nh_init+0x3d8/0x1580 [ 2592.379216][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2592.379216][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2592.379216][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2592.379216][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2592.379216][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2592.379216][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2592.379216][ T10] addrconf_dad_begin+0x310/0x670 [ 2592.379216][ T10] addrconf_dad_work+0x10b/0xab0 [ 2592.379216][ T10] process_one_work+0x84d/0x18a0 [ 2592.379216][ T10] worker_thread+0x587/0xd30 [ 2592.379216][ T10] kthread+0x28a/0x350 [ 2592.379216][ T10] ret_from_fork+0x31/0x70 [ 2592.379216][ T10] ret_from_fork_asm+0x1a/0x30 [ 2592.379216][ T10] [ 2592.382426][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2592.382426][ T10] netdev_get_by_index+0x5e/0x80 [ 2592.382426][ T10] fib6_nh_init+0x3d8/0x1580 [ 2592.382426][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2592.382426][ T10] ip6_route_add+0x1c/0x140 [ 2592.382426][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2592.382426][ T10] inet6_addr_add+0x4f8/0xa40 [ 2592.382426][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2592.382426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2592.382426][ T10] netlink_rcv_skb+0x130/0x360 [ 2592.382426][ T10] netlink_unicast+0x449/0x710 [ 2592.382426][ T10] netlink_sendmsg+0x723/0xbe0 [ 2592.382426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2592.382426][ T10] ___sys_sendmsg+0xee/0x170 [ 2592.382426][ T10] __sys_sendmsg+0xcd/0x170 [ 2592.382426][ T10] do_syscall_64+0xc6/0x1e0 [ 2592.382426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2592.382426][ T10] [ 2592.385897][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2592.385897][ T10] netdev_get_by_index+0x5e/0x80 [ 2592.385897][ T10] fib6_nh_init+0x3d8/0x1580 [ 2592.385897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2592.385897][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2592.385897][ T10] ipv6_add_addr+0x411/0x2000 [ 2592.385897][ T10] inet6_addr_add+0x30e/0xa40 [ 2592.385897][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2592.385897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2592.385897][ T10] netlink_rcv_skb+0x130/0x360 [ 2592.385897][ T10] netlink_unicast+0x449/0x710 [ 2592.385897][ T10] netlink_sendmsg+0x723/0xbe0 [ 2592.385897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2592.385897][ T10] ___sys_sendmsg+0xee/0x170 [ 2592.385897][ T10] __sys_sendmsg+0xcd/0x170 [ 2592.385897][ T10] do_syscall_64+0xc6/0x1e0 [ 2592.385897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2592.385897][ T10] [ 2592.389456][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2592.389456][ T10] netdev_get_by_index+0x5e/0x80 [ 2592.389456][ T10] fib6_nh_init+0x3d8/0x1580 [ 2592.389456][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2592.389456][ T10] ip6_route_add+0x1c/0x140 [ 2592.389456][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2592.389456][ T10] addrconf_add_dev+0xe2/0x170 [ 2592.389456][ T10] inet6_addr_add+0x12f/0xa40 [ 2592.389456][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2592.389456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2592.389456][ T10] netlink_rcv_skb+0x130/0x360 [ 2592.389456][ T10] netlink_unicast+0x449/0x710 [ 2592.389456][ T10] netlink_sendmsg+0x723/0xbe0 [ 2592.389456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2592.389456][ T10] ___sys_sendmsg+0xee/0x170 [ 2592.389456][ T10] __sys_sendmsg+0xcd/0x170 [ 2592.389456][ T10] do_syscall_64+0xc6/0x1e0 [ 2592.389456][ T10] [ 2592.392865][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2592.392865][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2592.392865][ T10] ipv6_find_idev+0x102/0x170 [ 2592.392865][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2592.392865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2592.392865][ T10] netlink_rcv_skb+0x130/0x360 [ 2592.392865][ T10] netlink_unicast+0x449/0x710 [ 2592.392865][ T10] netlink_sendmsg+0x723/0xbe0 [ 2592.392865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2592.392865][ T10] ___sys_sendmsg+0xee/0x170 [ 2592.392865][ T10] __sys_sendmsg+0xcd/0x170 [ 2592.392865][ T10] do_syscall_64+0xc6/0x1e0 [ 2592.392865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2592.392865][ T10] [ 2592.395331][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2592.395331][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2592.395331][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2592.395331][ T10] ipv6_find_idev+0x102/0x170 [ 2592.395331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2592.395331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2592.395331][ T10] netlink_rcv_skb+0x130/0x360 [ 2592.395331][ T10] netlink_unicast+0x449/0x710 [ 2592.395331][ T10] netlink_sendmsg+0x723/0xbe0 [ 2592.395331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2592.395331][ T10] ___sys_sendmsg+0xee/0x170 [ 2592.395331][ T10] __sys_sendmsg+0xcd/0x170 [ 2592.395331][ T10] do_syscall_64+0xc6/0x1e0 [ 2592.395331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2592.395331][ T10] [ 2592.398139][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2592.398530][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2592.398530][ T10] netdev_get_by_index+0x5e/0x80 [ 2592.398530][ T10] fib6_nh_init+0x3d8/0x1580 [ 2592.398530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2592.398530][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2592.398530][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2592.398530][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2592.398530][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2592.398530][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2592.398530][ T10] addrconf_dad_begin+0x310/0x670 [ 2592.398530][ T10] addrconf_dad_work+0x10b/0xab0 [ 2592.398530][ T10] process_one_work+0x84d/0x18a0 [ 2592.398530][ T10] worker_thread+0x587/0xd30 [ 2592.398530][ T10] kthread+0x28a/0x350 [ 2592.398530][ T10] ret_from_fork+0x31/0x70 [ 2592.398530][ T10] ret_from_fork_asm+0x1a/0x30 [ 2592.398530][ T10] [ 2592.401825][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2592.401825][ T10] netdev_get_by_index+0x5e/0x80 [ 2592.401825][ T10] fib6_nh_init+0x3d8/0x1580 [ 2592.401825][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2592.401825][ T10] ip6_route_add+0x1c/0x140 [ 2592.401825][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2592.401825][ T10] inet6_addr_add+0x4f8/0xa40 [ 2592.401825][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2592.401825][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2592.401825][ T10] netlink_rcv_skb+0x130/0x360 [ 2592.401825][ T10] netlink_unicast+0x449/0x710 [ 2592.401825][ T10] netlink_sendmsg+0x723/0xbe0 [ 2592.401825][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2592.401825][ T10] ___sys_sendmsg+0xee/0x170 [ 2592.401825][ T10] __sys_sendmsg+0xcd/0x170 [ 2592.401825][ T10] do_syscall_64+0xc6/0x1e0 [ 2592.401825][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2592.401825][ T10] [ 2592.405282][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2592.405282][ T10] netdev_get_by_index+0x5e/0x80 [ 2592.405282][ T10] fib6_nh_init+0x3d8/0x1580 [ 2592.405282][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2592.405282][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2592.405282][ T10] ipv6_add_addr+0x411/0x2000 [ 2592.405282][ T10] inet6_addr_add+0x30e/0xa40 [ 2592.405282][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2592.405282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2592.405282][ T10] netlink_rcv_skb+0x130/0x360 [ 2592.405282][ T10] netlink_unicast+0x449/0x710 [ 2592.405282][ T10] netlink_sendmsg+0x723/0xbe0 [ 2592.405282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2592.405282][ T10] ___sys_sendmsg+0xee/0x170 [ 2592.405282][ T10] __sys_sendmsg+0xcd/0x170 [ 2592.405282][ T10] do_syscall_64+0xc6/0x1e0 [ 2592.405282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2592.405282][ T10] [ 2592.408697][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2592.408697][ T10] netdev_get_by_index+0x5e/0x80 [ 2592.408697][ T10] fib6_nh_init+0x3d8/0x1580 [ 2592.408697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2592.408697][ T10] ip6_route_add+0x1c/0x140 [ 2592.408697][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2592.408697][ T10] addrconf_add_dev+0xe2/0x170 [ 2592.408697][ T10] inet6_addr_add+0x12f/0xa40 [ 2592.408697][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2592.408697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2592.408697][ T10] netlink_rcv_skb+0x130/0x360 [ 2592.408697][ T10] netlink_unicast+0x449/0x710 [ 2592.408697][ T10] netlink_sendmsg+0x723/0xbe0 [ 2592.408697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2592.408697][ T10] ___sys_sendmsg+0xee/0x170 [ 2592.408697][ T10] __sys_sendmsg+0xcd/0x170 [ 2592.408697][ T10] do_syscall_64+0xc6/0x1e0 [ 2592.408697][ T10] [ 2592.411992][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2592.411992][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2592.411992][ T10] ipv6_find_idev+0x102/0x170 [ 2592.411992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2592.411992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2592.411992][ T10] netlink_rcv_skb+0x130/0x360 [ 2592.411992][ T10] netlink_unicast+0x449/0x710 [ 2592.411992][ T10] netlink_sendmsg+0x723/0xbe0 [ 2592.411992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2592.411992][ T10] ___sys_sendmsg+0xee/0x170 [ 2592.411992][ T10] __sys_sendmsg+0xcd/0x170 [ 2592.411992][ T10] do_syscall_64+0xc6/0x1e0 [ 2592.411992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2592.411992][ T10] [ 2592.414589][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2592.414589][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2592.414589][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2592.414589][ T10] ipv6_find_idev+0x102/0x170 [ 2592.414589][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2592.414589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2592.414589][ T10] netlink_rcv_skb+0x130/0x360 [ 2592.414589][ T10] netlink_unicast+0x449/0x710 [ 2592.414589][ T10] netlink_sendmsg+0x723/0xbe0 [ 2592.414589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2592.414589][ T10] ___sys_sendmsg+0xee/0x170 [ 2592.414589][ T10] __sys_sendmsg+0xcd/0x170 [ 2592.414589][ T10] do_syscall_64+0xc6/0x1e0 [ 2592.414589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2592.414589][ T10] [ 2592.417368][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2592.417742][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2592.417742][ T10] netdev_get_by_index+0x5e/0x80 [ 2592.417742][ T10] fib6_nh_init+0x3d8/0x1580 [ 2592.417742][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2592.417742][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2592.417742][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2592.417742][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2592.417742][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2592.417742][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2592.417742][ T10] addrconf_dad_begin+0x310/0x670 [ 2592.417742][ T10] addrconf_dad_work+0x10b/0xab0 [ 2592.417742][ T10] process_one_work+0x84d/0x18a0 [ 2592.417742][ T10] worker_thread+0x587/0xd30 [ 2592.417742][ T10] kthread+0x28a/0x350 [ 2592.417742][ T10] ret_from_fork+0x31/0x70 [ 2592.417742][ T10] ret_from_fork_asm+0x1a/0x30 [ 2592.417742][ T10] [ 2592.420931][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2592.420931][ T10] netdev_get_by_index+0x5e/0x80 [ 2592.420931][ T10] fib6_nh_init+0x3d8/0x1580 [ 2592.420931][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2592.420931][ T10] ip6_route_add+0x1c/0x140 [ 2592.420931][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2592.420931][ T10] inet6_addr_add+0x4f8/0xa40 [ 2592.420931][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2592.420931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2592.420931][ T10] netlink_rcv_skb+0x130/0x360 [ 2592.420931][ T10] netlink_unicast+0x449/0x710 [ 2592.420931][ T10] netlink_sendmsg+0x723/0xbe0 [ 2592.420931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2592.420931][ T10] ___sys_sendmsg+0xee/0x170 [ 2592.420931][ T10] __sys_sendmsg+0xcd/0x170 [ 2592.420931][ T10] do_syscall_64+0xc6/0x1e0 [ 2592.420931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2592.420931][ T10] [ 2592.424240][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2592.424240][ T10] netdev_get_by_index+0x5e/0x80 [ 2592.424240][ T10] fib6_nh_init+0x3d8/0x1580 [ 2592.424240][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2592.424240][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2592.424240][ T10] ipv6_add_addr+0x411/0x2000 [ 2592.424240][ T10] inet6_addr_add+0x30e/0xa40 [ 2592.424240][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2592.424240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2592.424240][ T10] netlink_rcv_skb+0x130/0x360 [ 2592.424240][ T10] netlink_unicast+0x449/0x710 [ 2592.424240][ T10] netlink_sendmsg+0x723/0xbe0 [ 2592.424240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2592.424240][ T10] ___sys_sendmsg+0xee/0x170 [ 2592.424240][ T10] __sys_sendmsg+0xcd/0x170 [ 2592.424240][ T10] do_syscall_64+0xc6/0x1e0 [ 2592.424240][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2592.424240][ T10] [ 2592.427574][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2592.427574][ T10] netdev_get_by_index+0x5e/0x80 [ 2592.427574][ T10] fib6_nh_init+0x3d8/0x1580 [ 2592.427574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2592.427574][ T10] ip6_route_add+0x1c/0x140 [ 2592.427574][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2592.427574][ T10] addrconf_add_dev+0xe2/0x170 [ 2592.427574][ T10] inet6_addr_add+0x12f/0xa40 [ 2592.427574][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2592.427574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2592.427574][ T10] netlink_rcv_skb+0x130/0x360 [ 2592.427574][ T10] netlink_unicast+0x449/0x710 [ 2592.427574][ T10] netlink_sendmsg+0x723/0xbe0 [ 2592.427574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2592.427574][ T10] ___sys_sendmsg+0xee/0x170 [ 2592.427574][ T10] __sys_sendmsg+0xcd/0x170 [ 2592.427574][ T10] do_syscall_64+0xc6/0x1e0 [ 2592.427574][ T10] [ 2592.430834][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2592.430834][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2592.430834][ T10] ipv6_find_idev+0x102/0x170 [ 2592.430834][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2592.430834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2592.430834][ T10] netlink_rcv_skb+0x130/0x360 [ 2592.430834][ T10] netlink_unicast+0x449/0x710 [ 2592.430834][ T10] netlink_sendmsg+0x723/0xbe0 [ 2592.430834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2592.430834][ T10] ___sys_sendmsg+0xee/0x170 [ 2592.430834][ T10] __sys_sendmsg+0xcd/0x170 [ 2592.430834][ T10] do_syscall_64+0xc6/0x1e0 [ 2592.430834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2592.430834][ T10] [ 2592.433344][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2592.433344][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2592.433344][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2592.433344][ T10] ipv6_find_idev+0x102/0x170 [ 2592.433344][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2592.433344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2592.433344][ T10] netlink_rcv_skb+0x130/0x360 [ 2592.433344][ T10] netlink_unicast+0x449/0x710 [ 2592.433344][ T10] netlink_sendmsg+0x723/0xbe0 [ 2592.433344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2592.433344][ T10] ___sys_sendmsg+0xee/0x170 [ 2592.433344][ T10] __sys_sendmsg+0xcd/0x170 [ 2592.433344][ T10] do_syscall_64+0xc6/0x1e0 [ 2592.433344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2592.433344][ T10] [ 2595.673115][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2595.673596][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2595.673596][ T1167] dst_init+0x84/0x4a0 [ 2595.673596][ T1167] dst_alloc+0x97/0x150 [ 2595.673596][ T1167] ip6_dst_alloc+0x23/0x90 [ 2595.673596][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2595.673596][ T1167] ip6_pol_route+0x56f/0x840 [ 2595.673596][ T1167] fib6_rule_lookup+0x334/0x630 [ 2595.673596][ T1167] ip6_route_output_flags+0x259/0x480 [ 2595.673596][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2595.673596][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2595.673596][ T1167] netlink_rcv_skb+0x130/0x360 [ 2595.673596][ T1167] netlink_unicast+0x449/0x710 [ 2595.673596][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2595.673596][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2595.673596][ T1167] ___sys_sendmsg+0xee/0x170 [ 2595.673596][ T1167] __sys_sendmsg+0xcd/0x170 [ 2595.673596][ T1167] do_syscall_64+0xc6/0x1e0 [ 2595.673596][ T1167] [ 2595.675798][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2595.675798][ T1167] netdev_get_by_index+0x5e/0x80 [ 2595.675798][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2595.675798][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2595.675798][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2595.675798][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2595.675798][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2595.675798][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2595.675798][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2595.675798][ T1167] addrconf_dad_begin+0x310/0x670 [ 2595.675798][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2595.675798][ T1167] process_one_work+0x84d/0x18a0 [ 2595.675798][ T1167] worker_thread+0x587/0xd30 [ 2595.675798][ T1167] kthread+0x28a/0x350 [ 2595.675798][ T1167] ret_from_fork+0x31/0x70 [ 2595.675798][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2595.675798][ T1167] [ 2595.677942][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2595.677942][ T1167] netdev_get_by_index+0x5e/0x80 [ 2595.677942][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2595.677942][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2595.677942][ T1167] ip6_route_add+0x1c/0x140 [ 2595.677942][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2595.677942][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2595.677942][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2595.677942][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2595.677942][ T1167] netlink_rcv_skb+0x130/0x360 [ 2595.677942][ T1167] netlink_unicast+0x449/0x710 [ 2595.677942][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2595.677942][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2595.677942][ T1167] ___sys_sendmsg+0xee/0x170 [ 2595.677942][ T1167] __sys_sendmsg+0xcd/0x170 [ 2595.677942][ T1167] do_syscall_64+0xc6/0x1e0 [ 2595.677942][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2595.677942][ T1167] [ 2595.680175][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2595.680175][ T1167] netdev_get_by_index+0x5e/0x80 [ 2595.680175][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2595.680175][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2595.680175][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2595.680175][ T1167] ipv6_add_addr+0x411/0x2000 [ 2595.680175][ T1167] inet6_addr_add+0x30e/0xa40 [ 2595.680175][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2595.680175][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2595.680175][ T1167] netlink_rcv_skb+0x130/0x360 [ 2595.680175][ T1167] netlink_unicast+0x449/0x710 [ 2595.680175][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2595.680175][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2595.680175][ T1167] ___sys_sendmsg+0xee/0x170 [ 2595.680175][ T1167] __sys_sendmsg+0xcd/0x170 [ 2595.680175][ T1167] do_syscall_64+0xc6/0x1e0 [ 2595.680175][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2595.680175][ T1167] [ 2595.682404][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2595.682404][ T1167] netdev_get_by_index+0x5e/0x80 [ 2595.682404][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2595.682404][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2595.682404][ T1167] ip6_route_add+0x1c/0x140 [ 2595.682404][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2595.682404][ T1167] addrconf_add_dev+0xe2/0x170 [ 2595.682404][ T1167] inet6_addr_add+0x12f/0xa40 [ 2595.682404][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2595.682404][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2595.682404][ T1167] netlink_rcv_skb+0x130/0x360 [ 2595.682404][ T1167] netlink_unicast+0x449/0x710 [ 2595.682404][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2595.682404][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2595.682404][ T1167] ___sys_sendmsg+0xee/0x170 [ 2595.682404][ T1167] __sys_sendmsg+0xcd/0x170 [ 2595.682404][ T1167] do_syscall_64+0xc6/0x1e0 [ 2595.682404][ T1167] [ 2595.684640][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2595.684640][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2595.684640][ T1167] ipv6_find_idev+0x102/0x170 [ 2595.684640][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2595.684640][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2595.684640][ T1167] netlink_rcv_skb+0x130/0x360 [ 2595.684640][ T1167] netlink_unicast+0x449/0x710 [ 2595.684640][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2595.684640][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2595.684640][ T1167] ___sys_sendmsg+0xee/0x170 [ 2595.684640][ T1167] __sys_sendmsg+0xcd/0x170 [ 2595.684640][ T1167] do_syscall_64+0xc6/0x1e0 [ 2595.684640][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2595.684640][ T1167] [ 2595.686430][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2595.686430][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2595.686430][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2595.686430][ T1167] ipv6_find_idev+0x102/0x170 [ 2595.686430][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2595.686430][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2595.686430][ T1167] netlink_rcv_skb+0x130/0x360 [ 2595.686430][ T1167] netlink_unicast+0x449/0x710 [ 2595.686430][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2595.686430][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2595.686430][ T1167] ___sys_sendmsg+0xee/0x170 [ 2595.686430][ T1167] __sys_sendmsg+0xcd/0x170 [ 2595.686430][ T1167] do_syscall_64+0xc6/0x1e0 [ 2595.686430][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2595.686430][ T1167] [ 2602.673066][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2602.673496][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2602.673496][ T10] netdev_get_by_index+0x5e/0x80 [ 2602.673496][ T10] fib6_nh_init+0x3d8/0x1580 [ 2602.673496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2602.673496][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2602.673496][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2602.673496][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2602.673496][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2602.673496][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2602.673496][ T10] addrconf_dad_begin+0x310/0x670 [ 2602.673496][ T10] addrconf_dad_work+0x10b/0xab0 [ 2602.673496][ T10] process_one_work+0x84d/0x18a0 [ 2602.673496][ T10] worker_thread+0x587/0xd30 [ 2602.673496][ T10] kthread+0x28a/0x350 [ 2602.673496][ T10] ret_from_fork+0x31/0x70 [ 2602.673496][ T10] ret_from_fork_asm+0x1a/0x30 [ 2602.673496][ T10] [ 2602.675482][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2602.675482][ T10] netdev_get_by_index+0x5e/0x80 [ 2602.675482][ T10] fib6_nh_init+0x3d8/0x1580 [ 2602.675482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2602.675482][ T10] ip6_route_add+0x1c/0x140 [ 2602.675482][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2602.675482][ T10] inet6_addr_add+0x4f8/0xa40 [ 2602.675482][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2602.675482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2602.675482][ T10] netlink_rcv_skb+0x130/0x360 [ 2602.675482][ T10] netlink_unicast+0x449/0x710 [ 2602.675482][ T10] netlink_sendmsg+0x723/0xbe0 [ 2602.675482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2602.675482][ T10] ___sys_sendmsg+0xee/0x170 [ 2602.675482][ T10] __sys_sendmsg+0xcd/0x170 [ 2602.675482][ T10] do_syscall_64+0xc6/0x1e0 [ 2602.675482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2602.675482][ T10] [ 2602.677542][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2602.677542][ T10] netdev_get_by_index+0x5e/0x80 [ 2602.677542][ T10] fib6_nh_init+0x3d8/0x1580 [ 2602.677542][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2602.677542][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2602.677542][ T10] ipv6_add_addr+0x411/0x2000 [ 2602.677542][ T10] inet6_addr_add+0x30e/0xa40 [ 2602.677542][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2602.677542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2602.677542][ T10] netlink_rcv_skb+0x130/0x360 [ 2602.677542][ T10] netlink_unicast+0x449/0x710 [ 2602.677542][ T10] netlink_sendmsg+0x723/0xbe0 [ 2602.677542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2602.677542][ T10] ___sys_sendmsg+0xee/0x170 [ 2602.677542][ T10] __sys_sendmsg+0xcd/0x170 [ 2602.677542][ T10] do_syscall_64+0xc6/0x1e0 [ 2602.677542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2602.677542][ T10] [ 2602.679558][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2602.679558][ T10] netdev_get_by_index+0x5e/0x80 [ 2602.679558][ T10] fib6_nh_init+0x3d8/0x1580 [ 2602.679558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2602.679558][ T10] ip6_route_add+0x1c/0x140 [ 2602.679558][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2602.679558][ T10] addrconf_add_dev+0xe2/0x170 [ 2602.679558][ T10] inet6_addr_add+0x12f/0xa40 [ 2602.679558][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2602.679558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2602.679558][ T10] netlink_rcv_skb+0x130/0x360 [ 2602.679558][ T10] netlink_unicast+0x449/0x710 [ 2602.679558][ T10] netlink_sendmsg+0x723/0xbe0 [ 2602.679558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2602.679558][ T10] ___sys_sendmsg+0xee/0x170 [ 2602.679558][ T10] __sys_sendmsg+0xcd/0x170 [ 2602.679558][ T10] do_syscall_64+0xc6/0x1e0 [ 2602.679558][ T10] [ 2602.681537][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2602.681537][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2602.681537][ T10] ipv6_find_idev+0x102/0x170 [ 2602.681537][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2602.681537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2602.681537][ T10] netlink_rcv_skb+0x130/0x360 [ 2602.681537][ T10] netlink_unicast+0x449/0x710 [ 2602.681537][ T10] netlink_sendmsg+0x723/0xbe0 [ 2602.681537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2602.681537][ T10] ___sys_sendmsg+0xee/0x170 [ 2602.681537][ T10] __sys_sendmsg+0xcd/0x170 [ 2602.681537][ T10] do_syscall_64+0xc6/0x1e0 [ 2602.681537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2602.681537][ T10] [ 2602.683096][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2602.683096][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2602.683096][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2602.683096][ T10] ipv6_find_idev+0x102/0x170 [ 2602.683096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2602.683096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2602.683096][ T10] netlink_rcv_skb+0x130/0x360 [ 2602.683096][ T10] netlink_unicast+0x449/0x710 [ 2602.683096][ T10] netlink_sendmsg+0x723/0xbe0 [ 2602.683096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2602.683096][ T10] ___sys_sendmsg+0xee/0x170 [ 2602.683096][ T10] __sys_sendmsg+0xcd/0x170 [ 2602.683096][ T10] do_syscall_64+0xc6/0x1e0 [ 2602.683096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2602.683096][ T10] [ 2602.684828][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2602.685089][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2602.685089][ T10] netdev_get_by_index+0x5e/0x80 [ 2602.685089][ T10] fib6_nh_init+0x3d8/0x1580 [ 2602.685089][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2602.685089][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2602.685089][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2602.685089][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2602.685089][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2602.685089][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2602.685089][ T10] addrconf_dad_begin+0x310/0x670 [ 2602.685089][ T10] addrconf_dad_work+0x10b/0xab0 [ 2602.685089][ T10] process_one_work+0x84d/0x18a0 [ 2602.685089][ T10] worker_thread+0x587/0xd30 [ 2602.685089][ T10] kthread+0x28a/0x350 [ 2602.685089][ T10] ret_from_fork+0x31/0x70 [ 2602.685089][ T10] ret_from_fork_asm+0x1a/0x30 [ 2602.685089][ T10] [ 2602.687023][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2602.687023][ T10] netdev_get_by_index+0x5e/0x80 [ 2602.687023][ T10] fib6_nh_init+0x3d8/0x1580 [ 2602.687023][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2602.687023][ T10] ip6_route_add+0x1c/0x140 [ 2602.687023][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2602.687023][ T10] inet6_addr_add+0x4f8/0xa40 [ 2602.687023][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2602.687023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2602.687023][ T10] netlink_rcv_skb+0x130/0x360 [ 2602.687023][ T10] netlink_unicast+0x449/0x710 [ 2602.687023][ T10] netlink_sendmsg+0x723/0xbe0 [ 2602.687023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2602.687023][ T10] ___sys_sendmsg+0xee/0x170 [ 2602.687023][ T10] __sys_sendmsg+0xcd/0x170 [ 2602.687023][ T10] do_syscall_64+0xc6/0x1e0 [ 2602.687023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2602.687023][ T10] [ 2602.689042][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2602.689042][ T10] netdev_get_by_index+0x5e/0x80 [ 2602.689042][ T10] fib6_nh_init+0x3d8/0x1580 [ 2602.689042][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2602.689042][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2602.689042][ T10] ipv6_add_addr+0x411/0x2000 [ 2602.689042][ T10] inet6_addr_add+0x30e/0xa40 [ 2602.689042][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2602.689042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2602.689042][ T10] netlink_rcv_skb+0x130/0x360 [ 2602.689042][ T10] netlink_unicast+0x449/0x710 [ 2602.689042][ T10] netlink_sendmsg+0x723/0xbe0 [ 2602.689042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2602.689042][ T10] ___sys_sendmsg+0xee/0x170 [ 2602.689042][ T10] __sys_sendmsg+0xcd/0x170 [ 2602.689042][ T10] do_syscall_64+0xc6/0x1e0 [ 2602.689042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2602.689042][ T10] [ 2602.691044][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2602.691044][ T10] netdev_get_by_index+0x5e/0x80 [ 2602.691044][ T10] fib6_nh_init+0x3d8/0x1580 [ 2602.691044][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2602.691044][ T10] ip6_route_add+0x1c/0x140 [ 2602.691044][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2602.691044][ T10] addrconf_add_dev+0xe2/0x170 [ 2602.691044][ T10] inet6_addr_add+0x12f/0xa40 [ 2602.691044][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2602.691044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2602.691044][ T10] netlink_rcv_skb+0x130/0x360 [ 2602.691044][ T10] netlink_unicast+0x449/0x710 [ 2602.691044][ T10] netlink_sendmsg+0x723/0xbe0 [ 2602.691044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2602.691044][ T10] ___sys_sendmsg+0xee/0x170 [ 2602.691044][ T10] __sys_sendmsg+0xcd/0x170 [ 2602.691044][ T10] do_syscall_64+0xc6/0x1e0 [ 2602.691044][ T10] [ 2602.693014][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2602.693014][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2602.693014][ T10] ipv6_find_idev+0x102/0x170 [ 2602.693014][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2602.693014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2602.693014][ T10] netlink_rcv_skb+0x130/0x360 [ 2602.693014][ T10] netlink_unicast+0x449/0x710 [ 2602.693014][ T10] netlink_sendmsg+0x723/0xbe0 [ 2602.693014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2602.693014][ T10] ___sys_sendmsg+0xee/0x170 [ 2602.693014][ T10] __sys_sendmsg+0xcd/0x170 [ 2602.693014][ T10] do_syscall_64+0xc6/0x1e0 [ 2602.693014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2602.693014][ T10] [ 2602.694566][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2602.694566][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2602.694566][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2602.694566][ T10] ipv6_find_idev+0x102/0x170 [ 2602.694566][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2602.694566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2602.694566][ T10] netlink_rcv_skb+0x130/0x360 [ 2602.694566][ T10] netlink_unicast+0x449/0x710 [ 2602.694566][ T10] netlink_sendmsg+0x723/0xbe0 [ 2602.694566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2602.694566][ T10] ___sys_sendmsg+0xee/0x170 [ 2602.694566][ T10] __sys_sendmsg+0xcd/0x170 [ 2602.694566][ T10] do_syscall_64+0xc6/0x1e0 [ 2602.694566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2602.694566][ T10] [ 2602.696270][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2602.696521][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2602.696521][ T10] netdev_get_by_index+0x5e/0x80 [ 2602.696521][ T10] fib6_nh_init+0x3d8/0x1580 [ 2602.696521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2602.696521][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2602.696521][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2602.696521][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2602.696521][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2602.696521][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2602.696521][ T10] addrconf_dad_begin+0x310/0x670 [ 2602.696521][ T10] addrconf_dad_work+0x10b/0xab0 [ 2602.696521][ T10] process_one_work+0x84d/0x18a0 [ 2602.696521][ T10] worker_thread+0x587/0xd30 [ 2602.696521][ T10] kthread+0x28a/0x350 [ 2602.696521][ T10] ret_from_fork+0x31/0x70 [ 2602.696521][ T10] ret_from_fork_asm+0x1a/0x30 [ 2602.696521][ T10] [ 2602.698437][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2602.698437][ T10] netdev_get_by_index+0x5e/0x80 [ 2602.698437][ T10] fib6_nh_init+0x3d8/0x1580 [ 2602.698437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2602.698437][ T10] ip6_route_add+0x1c/0x140 [ 2602.698437][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2602.698437][ T10] inet6_addr_add+0x4f8/0xa40 [ 2602.698437][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2602.698437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2602.698437][ T10] netlink_rcv_skb+0x130/0x360 [ 2602.698437][ T10] netlink_unicast+0x449/0x710 [ 2602.698437][ T10] netlink_sendmsg+0x723/0xbe0 [ 2602.698437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2602.698437][ T10] ___sys_sendmsg+0xee/0x170 [ 2602.698437][ T10] __sys_sendmsg+0xcd/0x170 [ 2602.698437][ T10] do_syscall_64+0xc6/0x1e0 [ 2602.698437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2602.698437][ T10] [ 2602.700637][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2602.700637][ T10] netdev_get_by_index+0x5e/0x80 [ 2602.700637][ T10] fib6_nh_init+0x3d8/0x1580 [ 2602.700637][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2602.700637][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2602.700637][ T10] ipv6_add_addr+0x411/0x2000 [ 2602.700637][ T10] inet6_addr_add+0x30e/0xa40 [ 2602.700637][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2602.700637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2602.700637][ T10] netlink_rcv_skb+0x130/0x360 [ 2602.700637][ T10] netlink_unicast+0x449/0x710 [ 2602.700637][ T10] netlink_sendmsg+0x723/0xbe0 [ 2602.700637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2602.700637][ T10] ___sys_sendmsg+0xee/0x170 [ 2602.700637][ T10] __sys_sendmsg+0xcd/0x170 [ 2602.700637][ T10] do_syscall_64+0xc6/0x1e0 [ 2602.700637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2602.700637][ T10] [ 2602.702884][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2602.702884][ T10] netdev_get_by_index+0x5e/0x80 [ 2602.702884][ T10] fib6_nh_init+0x3d8/0x1580 [ 2602.702884][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2602.702884][ T10] ip6_route_add+0x1c/0x140 [ 2602.702884][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2602.702884][ T10] addrconf_add_dev+0xe2/0x170 [ 2602.702884][ T10] inet6_addr_add+0x12f/0xa40 [ 2602.702884][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2602.702884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2602.702884][ T10] netlink_rcv_skb+0x130/0x360 [ 2602.702884][ T10] netlink_unicast+0x449/0x710 [ 2602.702884][ T10] netlink_sendmsg+0x723/0xbe0 [ 2602.702884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2602.702884][ T10] ___sys_sendmsg+0xee/0x170 [ 2602.702884][ T10] __sys_sendmsg+0xcd/0x170 [ 2602.702884][ T10] do_syscall_64+0xc6/0x1e0 [ 2602.702884][ T10] [ 2602.705162][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2602.705162][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2602.705162][ T10] ipv6_find_idev+0x102/0x170 [ 2602.705162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2602.705162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2602.705162][ T10] netlink_rcv_skb+0x130/0x360 [ 2602.705162][ T10] netlink_unicast+0x449/0x710 [ 2602.705162][ T10] netlink_sendmsg+0x723/0xbe0 [ 2602.705162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2602.705162][ T10] ___sys_sendmsg+0xee/0x170 [ 2602.705162][ T10] __sys_sendmsg+0xcd/0x170 [ 2602.705162][ T10] do_syscall_64+0xc6/0x1e0 [ 2602.705162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2602.705162][ T10] [ 2602.706901][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2602.706901][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2602.706901][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2602.706901][ T10] ipv6_find_idev+0x102/0x170 [ 2602.706901][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2602.706901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2602.706901][ T10] netlink_rcv_skb+0x130/0x360 [ 2602.706901][ T10] netlink_unicast+0x449/0x710 [ 2602.706901][ T10] netlink_sendmsg+0x723/0xbe0 [ 2602.706901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2602.706901][ T10] ___sys_sendmsg+0xee/0x170 [ 2602.706901][ T10] __sys_sendmsg+0xcd/0x170 [ 2602.706901][ T10] do_syscall_64+0xc6/0x1e0 [ 2602.706901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2602.706901][ T10] [ 2602.708900][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2602.709578][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2602.709578][ T10] netdev_get_by_index+0x5e/0x80 [ 2602.709578][ T10] fib6_nh_init+0x3d8/0x1580 [ 2602.709578][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2602.709578][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2602.709578][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2602.709578][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2602.709578][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2602.709578][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2602.709578][ T10] addrconf_dad_begin+0x310/0x670 [ 2602.709578][ T10] addrconf_dad_work+0x10b/0xab0 [ 2602.709578][ T10] process_one_work+0x84d/0x18a0 [ 2602.709578][ T10] worker_thread+0x587/0xd30 [ 2602.709578][ T10] kthread+0x28a/0x350 [ 2602.709578][ T10] ret_from_fork+0x31/0x70 [ 2602.709578][ T10] ret_from_fork_asm+0x1a/0x30 [ 2602.709578][ T10] [ 2602.711498][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2602.711498][ T10] netdev_get_by_index+0x5e/0x80 [ 2602.711498][ T10] fib6_nh_init+0x3d8/0x1580 [ 2602.711498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2602.711498][ T10] ip6_route_add+0x1c/0x140 [ 2602.711498][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2602.711498][ T10] inet6_addr_add+0x4f8/0xa40 [ 2602.711498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2602.711498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2602.711498][ T10] netlink_rcv_skb+0x130/0x360 [ 2602.711498][ T10] netlink_unicast+0x449/0x710 [ 2602.711498][ T10] netlink_sendmsg+0x723/0xbe0 [ 2602.711498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2602.711498][ T10] ___sys_sendmsg+0xee/0x170 [ 2602.711498][ T10] __sys_sendmsg+0xcd/0x170 [ 2602.711498][ T10] do_syscall_64+0xc6/0x1e0 [ 2602.711498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2602.711498][ T10] [ 2602.713633][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2602.713633][ T10] netdev_get_by_index+0x5e/0x80 [ 2602.713633][ T10] fib6_nh_init+0x3d8/0x1580 [ 2602.713633][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2602.713633][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2602.713633][ T10] ipv6_add_addr+0x411/0x2000 [ 2602.713633][ T10] inet6_addr_add+0x30e/0xa40 [ 2602.713633][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2602.713633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2602.713633][ T10] netlink_rcv_skb+0x130/0x360 [ 2602.713633][ T10] netlink_unicast+0x449/0x710 [ 2602.713633][ T10] netlink_sendmsg+0x723/0xbe0 [ 2602.713633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2602.713633][ T10] ___sys_sendmsg+0xee/0x170 [ 2602.713633][ T10] __sys_sendmsg+0xcd/0x170 [ 2602.713633][ T10] do_syscall_64+0xc6/0x1e0 [ 2602.713633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2602.713633][ T10] [ 2602.716413][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2602.716413][ T10] netdev_get_by_index+0x5e/0x80 [ 2602.716413][ T10] fib6_nh_init+0x3d8/0x1580 [ 2602.716413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2602.716413][ T10] ip6_route_add+0x1c/0x140 [ 2602.716413][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2602.716413][ T10] addrconf_add_dev+0xe2/0x170 [ 2602.716413][ T10] inet6_addr_add+0x12f/0xa40 [ 2602.716413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2602.716413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2602.716413][ T10] netlink_rcv_skb+0x130/0x360 [ 2602.716413][ T10] netlink_unicast+0x449/0x710 [ 2602.716413][ T10] netlink_sendmsg+0x723/0xbe0 [ 2602.716413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2602.716413][ T10] ___sys_sendmsg+0xee/0x170 [ 2602.716413][ T10] __sys_sendmsg+0xcd/0x170 [ 2602.716413][ T10] do_syscall_64+0xc6/0x1e0 [ 2602.716413][ T10] [ 2602.718685][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2602.718685][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2602.718685][ T10] ipv6_find_idev+0x102/0x170 [ 2602.718685][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2602.718685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2602.718685][ T10] netlink_rcv_skb+0x130/0x360 [ 2602.718685][ T10] netlink_unicast+0x449/0x710 [ 2602.718685][ T10] netlink_sendmsg+0x723/0xbe0 [ 2602.718685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2602.718685][ T10] ___sys_sendmsg+0xee/0x170 [ 2602.718685][ T10] __sys_sendmsg+0xcd/0x170 [ 2602.718685][ T10] do_syscall_64+0xc6/0x1e0 [ 2602.718685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2602.718685][ T10] [ 2602.720350][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2602.720350][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2602.720350][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2602.720350][ T10] ipv6_find_idev+0x102/0x170 [ 2602.720350][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2602.720350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2602.720350][ T10] netlink_rcv_skb+0x130/0x360 [ 2602.720350][ T10] netlink_unicast+0x449/0x710 [ 2602.720350][ T10] netlink_sendmsg+0x723/0xbe0 [ 2602.720350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2602.720350][ T10] ___sys_sendmsg+0xee/0x170 [ 2602.720350][ T10] __sys_sendmsg+0xcd/0x170 [ 2602.720350][ T10] do_syscall_64+0xc6/0x1e0 [ 2602.720350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2602.720350][ T10] [ 2605.929136][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2605.929553][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2605.929553][ T1167] dst_init+0x84/0x4a0 [ 2605.929553][ T1167] dst_alloc+0x97/0x150 [ 2605.929553][ T1167] ip6_dst_alloc+0x23/0x90 [ 2605.929553][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2605.929553][ T1167] ip6_pol_route+0x56f/0x840 [ 2605.929553][ T1167] fib6_rule_lookup+0x334/0x630 [ 2605.929553][ T1167] ip6_route_output_flags+0x259/0x480 [ 2605.929553][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2605.929553][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2605.929553][ T1167] netlink_rcv_skb+0x130/0x360 [ 2605.929553][ T1167] netlink_unicast+0x449/0x710 [ 2605.929553][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2605.929553][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2605.929553][ T1167] ___sys_sendmsg+0xee/0x170 [ 2605.929553][ T1167] __sys_sendmsg+0xcd/0x170 [ 2605.929553][ T1167] do_syscall_64+0xc6/0x1e0 [ 2605.929553][ T1167] [ 2605.931751][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2605.931751][ T1167] netdev_get_by_index+0x5e/0x80 [ 2605.931751][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2605.931751][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2605.931751][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2605.931751][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2605.931751][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2605.931751][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2605.931751][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2605.931751][ T1167] addrconf_dad_begin+0x310/0x670 [ 2605.931751][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2605.931751][ T1167] process_one_work+0x84d/0x18a0 [ 2605.931751][ T1167] worker_thread+0x587/0xd30 [ 2605.931751][ T1167] kthread+0x28a/0x350 [ 2605.931751][ T1167] ret_from_fork+0x31/0x70 [ 2605.931751][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2605.931751][ T1167] [ 2605.933885][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2605.933885][ T1167] netdev_get_by_index+0x5e/0x80 [ 2605.933885][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2605.933885][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2605.933885][ T1167] ip6_route_add+0x1c/0x140 [ 2605.933885][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2605.933885][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2605.933885][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2605.933885][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.933885][ T1167] netlink_rcv_skb+0x130/0x360 [ 2605.933885][ T1167] netlink_unicast+0x449/0x710 [ 2605.933885][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2605.933885][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2605.933885][ T1167] ___sys_sendmsg+0xee/0x170 [ 2605.933885][ T1167] __sys_sendmsg+0xcd/0x170 [ 2605.933885][ T1167] do_syscall_64+0xc6/0x1e0 [ 2605.933885][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.933885][ T1167] [ 2605.936128][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2605.936128][ T1167] netdev_get_by_index+0x5e/0x80 [ 2605.936128][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2605.936128][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2605.936128][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2605.936128][ T1167] ipv6_add_addr+0x411/0x2000 [ 2605.936128][ T1167] inet6_addr_add+0x30e/0xa40 [ 2605.936128][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2605.936128][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.936128][ T1167] netlink_rcv_skb+0x130/0x360 [ 2605.936128][ T1167] netlink_unicast+0x449/0x710 [ 2605.936128][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2605.936128][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2605.936128][ T1167] ___sys_sendmsg+0xee/0x170 [ 2605.936128][ T1167] __sys_sendmsg+0xcd/0x170 [ 2605.936128][ T1167] do_syscall_64+0xc6/0x1e0 [ 2605.936128][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.936128][ T1167] [ 2605.938352][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2605.938352][ T1167] netdev_get_by_index+0x5e/0x80 [ 2605.938352][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2605.938352][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2605.938352][ T1167] ip6_route_add+0x1c/0x140 [ 2605.938352][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2605.938352][ T1167] addrconf_add_dev+0xe2/0x170 [ 2605.938352][ T1167] inet6_addr_add+0x12f/0xa40 [ 2605.938352][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2605.938352][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.938352][ T1167] netlink_rcv_skb+0x130/0x360 [ 2605.938352][ T1167] netlink_unicast+0x449/0x710 [ 2605.938352][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2605.938352][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2605.938352][ T1167] ___sys_sendmsg+0xee/0x170 [ 2605.938352][ T1167] __sys_sendmsg+0xcd/0x170 [ 2605.938352][ T1167] do_syscall_64+0xc6/0x1e0 [ 2605.938352][ T1167] [ 2605.940555][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2605.940555][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2605.940555][ T1167] ipv6_find_idev+0x102/0x170 [ 2605.940555][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2605.940555][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.940555][ T1167] netlink_rcv_skb+0x130/0x360 [ 2605.940555][ T1167] netlink_unicast+0x449/0x710 [ 2605.940555][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2605.940555][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2605.940555][ T1167] ___sys_sendmsg+0xee/0x170 [ 2605.940555][ T1167] __sys_sendmsg+0xcd/0x170 [ 2605.940555][ T1167] do_syscall_64+0xc6/0x1e0 [ 2605.940555][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.940555][ T1167] [ 2605.942276][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2605.942276][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2605.942276][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2605.942276][ T1167] ipv6_find_idev+0x102/0x170 [ 2605.942276][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2605.942276][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.942276][ T1167] netlink_rcv_skb+0x130/0x360 [ 2605.942276][ T1167] netlink_unicast+0x449/0x710 [ 2605.942276][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2605.942276][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2605.942276][ T1167] ___sys_sendmsg+0xee/0x170 [ 2605.942276][ T1167] __sys_sendmsg+0xcd/0x170 [ 2605.942276][ T1167] do_syscall_64+0xc6/0x1e0 [ 2605.942276][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.942276][ T1167] [ 2612.961162][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2612.961615][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2612.961615][ T10] netdev_get_by_index+0x5e/0x80 [ 2612.961615][ T10] fib6_nh_init+0x3d8/0x1580 [ 2612.961615][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2612.961615][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2612.961615][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2612.961615][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2612.961615][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2612.961615][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2612.961615][ T10] addrconf_dad_begin+0x310/0x670 [ 2612.961615][ T10] addrconf_dad_work+0x10b/0xab0 [ 2612.961615][ T10] process_one_work+0x84d/0x18a0 [ 2612.961615][ T10] worker_thread+0x587/0xd30 [ 2612.961615][ T10] kthread+0x28a/0x350 [ 2612.961615][ T10] ret_from_fork+0x31/0x70 [ 2612.961615][ T10] ret_from_fork_asm+0x1a/0x30 [ 2612.961615][ T10] [ 2612.963561][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2612.963561][ T10] netdev_get_by_index+0x5e/0x80 [ 2612.963561][ T10] fib6_nh_init+0x3d8/0x1580 [ 2612.963561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2612.963561][ T10] ip6_route_add+0x1c/0x140 [ 2612.963561][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2612.963561][ T10] inet6_addr_add+0x4f8/0xa40 [ 2612.963561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2612.963561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2612.963561][ T10] netlink_rcv_skb+0x130/0x360 [ 2612.963561][ T10] netlink_unicast+0x449/0x710 [ 2612.963561][ T10] netlink_sendmsg+0x723/0xbe0 [ 2612.963561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2612.963561][ T10] ___sys_sendmsg+0xee/0x170 [ 2612.963561][ T10] __sys_sendmsg+0xcd/0x170 [ 2612.963561][ T10] do_syscall_64+0xc6/0x1e0 [ 2612.963561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2612.963561][ T10] [ 2612.965584][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2612.965584][ T10] netdev_get_by_index+0x5e/0x80 [ 2612.965584][ T10] fib6_nh_init+0x3d8/0x1580 [ 2612.965584][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2612.965584][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2612.965584][ T10] ipv6_add_addr+0x411/0x2000 [ 2612.965584][ T10] inet6_addr_add+0x30e/0xa40 [ 2612.965584][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2612.965584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2612.965584][ T10] netlink_rcv_skb+0x130/0x360 [ 2612.965584][ T10] netlink_unicast+0x449/0x710 [ 2612.965584][ T10] netlink_sendmsg+0x723/0xbe0 [ 2612.965584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2612.965584][ T10] ___sys_sendmsg+0xee/0x170 [ 2612.965584][ T10] __sys_sendmsg+0xcd/0x170 [ 2612.965584][ T10] do_syscall_64+0xc6/0x1e0 [ 2612.965584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2612.965584][ T10] [ 2612.967607][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2612.967607][ T10] netdev_get_by_index+0x5e/0x80 [ 2612.967607][ T10] fib6_nh_init+0x3d8/0x1580 [ 2612.967607][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2612.967607][ T10] ip6_route_add+0x1c/0x140 [ 2612.967607][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2612.967607][ T10] addrconf_add_dev+0xe2/0x170 [ 2612.967607][ T10] inet6_addr_add+0x12f/0xa40 [ 2612.967607][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2612.967607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2612.967607][ T10] netlink_rcv_skb+0x130/0x360 [ 2612.967607][ T10] netlink_unicast+0x449/0x710 [ 2612.967607][ T10] netlink_sendmsg+0x723/0xbe0 [ 2612.967607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2612.967607][ T10] ___sys_sendmsg+0xee/0x170 [ 2612.967607][ T10] __sys_sendmsg+0xcd/0x170 [ 2612.967607][ T10] do_syscall_64+0xc6/0x1e0 [ 2612.967607][ T10] [ 2612.969576][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2612.969576][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2612.969576][ T10] ipv6_find_idev+0x102/0x170 [ 2612.969576][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2612.969576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2612.969576][ T10] netlink_rcv_skb+0x130/0x360 [ 2612.969576][ T10] netlink_unicast+0x449/0x710 [ 2612.969576][ T10] netlink_sendmsg+0x723/0xbe0 [ 2612.969576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2612.969576][ T10] ___sys_sendmsg+0xee/0x170 [ 2612.969576][ T10] __sys_sendmsg+0xcd/0x170 [ 2612.969576][ T10] do_syscall_64+0xc6/0x1e0 [ 2612.969576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2612.969576][ T10] [ 2612.971125][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2612.971125][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2612.971125][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2612.971125][ T10] ipv6_find_idev+0x102/0x170 [ 2612.971125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2612.971125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2612.971125][ T10] netlink_rcv_skb+0x130/0x360 [ 2612.971125][ T10] netlink_unicast+0x449/0x710 [ 2612.971125][ T10] netlink_sendmsg+0x723/0xbe0 [ 2612.971125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2612.971125][ T10] ___sys_sendmsg+0xee/0x170 [ 2612.971125][ T10] __sys_sendmsg+0xcd/0x170 [ 2612.971125][ T10] do_syscall_64+0xc6/0x1e0 [ 2612.971125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2612.971125][ T10] [ 2612.972835][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2612.973099][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2612.973099][ T10] netdev_get_by_index+0x5e/0x80 [ 2612.973099][ T10] fib6_nh_init+0x3d8/0x1580 [ 2612.973099][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2612.973099][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2612.973099][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2612.973099][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2612.973099][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2612.973099][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2612.973099][ T10] addrconf_dad_begin+0x310/0x670 [ 2612.973099][ T10] addrconf_dad_work+0x10b/0xab0 [ 2612.973099][ T10] process_one_work+0x84d/0x18a0 [ 2612.973099][ T10] worker_thread+0x587/0xd30 [ 2612.973099][ T10] kthread+0x28a/0x350 [ 2612.973099][ T10] ret_from_fork+0x31/0x70 [ 2612.973099][ T10] ret_from_fork_asm+0x1a/0x30 [ 2612.973099][ T10] [ 2612.975069][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2612.975069][ T10] netdev_get_by_index+0x5e/0x80 [ 2612.975069][ T10] fib6_nh_init+0x3d8/0x1580 [ 2612.975069][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2612.975069][ T10] ip6_route_add+0x1c/0x140 [ 2612.975069][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2612.975069][ T10] inet6_addr_add+0x4f8/0xa40 [ 2612.975069][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2612.975069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2612.975069][ T10] netlink_rcv_skb+0x130/0x360 [ 2612.975069][ T10] netlink_unicast+0x449/0x710 [ 2612.975069][ T10] netlink_sendmsg+0x723/0xbe0 [ 2612.975069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2612.975069][ T10] ___sys_sendmsg+0xee/0x170 [ 2612.975069][ T10] __sys_sendmsg+0xcd/0x170 [ 2612.975069][ T10] do_syscall_64+0xc6/0x1e0 [ 2612.975069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2612.975069][ T10] [ 2612.977089][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2612.977089][ T10] netdev_get_by_index+0x5e/0x80 [ 2612.977089][ T10] fib6_nh_init+0x3d8/0x1580 [ 2612.977089][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2612.977089][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2612.977089][ T10] ipv6_add_addr+0x411/0x2000 [ 2612.977089][ T10] inet6_addr_add+0x30e/0xa40 [ 2612.977089][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2612.977089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2612.977089][ T10] netlink_rcv_skb+0x130/0x360 [ 2612.977089][ T10] netlink_unicast+0x449/0x710 [ 2612.977089][ T10] netlink_sendmsg+0x723/0xbe0 [ 2612.977089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2612.977089][ T10] ___sys_sendmsg+0xee/0x170 [ 2612.977089][ T10] __sys_sendmsg+0xcd/0x170 [ 2612.977089][ T10] do_syscall_64+0xc6/0x1e0 [ 2612.977089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2612.977089][ T10] [ 2612.979138][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2612.979138][ T10] netdev_get_by_index+0x5e/0x80 [ 2612.979138][ T10] fib6_nh_init+0x3d8/0x1580 [ 2612.979138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2612.979138][ T10] ip6_route_add+0x1c/0x140 [ 2612.979138][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2612.979138][ T10] addrconf_add_dev+0xe2/0x170 [ 2612.979138][ T10] inet6_addr_add+0x12f/0xa40 [ 2612.979138][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2612.979138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2612.979138][ T10] netlink_rcv_skb+0x130/0x360 [ 2612.979138][ T10] netlink_unicast+0x449/0x710 [ 2612.979138][ T10] netlink_sendmsg+0x723/0xbe0 [ 2612.979138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2612.979138][ T10] ___sys_sendmsg+0xee/0x170 [ 2612.979138][ T10] __sys_sendmsg+0xcd/0x170 [ 2612.979138][ T10] do_syscall_64+0xc6/0x1e0 [ 2612.979138][ T10] [ 2612.981154][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2612.981154][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2612.981154][ T10] ipv6_find_idev+0x102/0x170 [ 2612.981154][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2612.981154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2612.981154][ T10] netlink_rcv_skb+0x130/0x360 [ 2612.981154][ T10] netlink_unicast+0x449/0x710 [ 2612.981154][ T10] netlink_sendmsg+0x723/0xbe0 [ 2612.981154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2612.981154][ T10] ___sys_sendmsg+0xee/0x170 [ 2612.981154][ T10] __sys_sendmsg+0xcd/0x170 [ 2612.981154][ T10] do_syscall_64+0xc6/0x1e0 [ 2612.981154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2612.981154][ T10] [ 2612.982735][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2612.982735][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2612.982735][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2612.982735][ T10] ipv6_find_idev+0x102/0x170 [ 2612.982735][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2612.982735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2612.982735][ T10] netlink_rcv_skb+0x130/0x360 [ 2612.982735][ T10] netlink_unicast+0x449/0x710 [ 2612.982735][ T10] netlink_sendmsg+0x723/0xbe0 [ 2612.982735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2612.982735][ T10] ___sys_sendmsg+0xee/0x170 [ 2612.982735][ T10] __sys_sendmsg+0xcd/0x170 [ 2612.982735][ T10] do_syscall_64+0xc6/0x1e0 [ 2612.982735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2612.982735][ T10] [ 2612.984459][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2612.984710][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2612.984710][ T10] netdev_get_by_index+0x5e/0x80 [ 2612.984710][ T10] fib6_nh_init+0x3d8/0x1580 [ 2612.984710][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2612.984710][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2612.984710][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2612.984710][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2612.984710][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2612.984710][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2612.984710][ T10] addrconf_dad_begin+0x310/0x670 [ 2612.984710][ T10] addrconf_dad_work+0x10b/0xab0 [ 2612.984710][ T10] process_one_work+0x84d/0x18a0 [ 2612.984710][ T10] worker_thread+0x587/0xd30 [ 2612.984710][ T10] kthread+0x28a/0x350 [ 2612.984710][ T10] ret_from_fork+0x31/0x70 [ 2612.984710][ T10] ret_from_fork_asm+0x1a/0x30 [ 2612.984710][ T10] [ 2612.986671][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2612.986671][ T10] netdev_get_by_index+0x5e/0x80 [ 2612.986671][ T10] fib6_nh_init+0x3d8/0x1580 [ 2612.986671][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2612.986671][ T10] ip6_route_add+0x1c/0x140 [ 2612.986671][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2612.986671][ T10] inet6_addr_add+0x4f8/0xa40 [ 2612.986671][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2612.986671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2612.986671][ T10] netlink_rcv_skb+0x130/0x360 [ 2612.986671][ T10] netlink_unicast+0x449/0x710 [ 2612.986671][ T10] netlink_sendmsg+0x723/0xbe0 [ 2612.986671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2612.986671][ T10] ___sys_sendmsg+0xee/0x170 [ 2612.986671][ T10] __sys_sendmsg+0xcd/0x170 [ 2612.986671][ T10] do_syscall_64+0xc6/0x1e0 [ 2612.986671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2612.986671][ T10] [ 2612.988890][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2612.988890][ T10] netdev_get_by_index+0x5e/0x80 [ 2612.988890][ T10] fib6_nh_init+0x3d8/0x1580 [ 2612.988890][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2612.988890][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2612.988890][ T10] ipv6_add_addr+0x411/0x2000 [ 2612.988890][ T10] inet6_addr_add+0x30e/0xa40 [ 2612.988890][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2612.988890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2612.988890][ T10] netlink_rcv_skb+0x130/0x360 [ 2612.988890][ T10] netlink_unicast+0x449/0x710 [ 2612.988890][ T10] netlink_sendmsg+0x723/0xbe0 [ 2612.988890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2612.988890][ T10] ___sys_sendmsg+0xee/0x170 [ 2612.988890][ T10] __sys_sendmsg+0xcd/0x170 [ 2612.988890][ T10] do_syscall_64+0xc6/0x1e0 [ 2612.988890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2612.988890][ T10] [ 2612.991205][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2612.991205][ T10] netdev_get_by_index+0x5e/0x80 [ 2612.991205][ T10] fib6_nh_init+0x3d8/0x1580 [ 2612.991205][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2612.991205][ T10] ip6_route_add+0x1c/0x140 [ 2612.991205][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2612.991205][ T10] addrconf_add_dev+0xe2/0x170 [ 2612.991205][ T10] inet6_addr_add+0x12f/0xa40 [ 2612.991205][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2612.991205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2612.991205][ T10] netlink_rcv_skb+0x130/0x360 [ 2612.991205][ T10] netlink_unicast+0x449/0x710 [ 2612.991205][ T10] netlink_sendmsg+0x723/0xbe0 [ 2612.991205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2612.991205][ T10] ___sys_sendmsg+0xee/0x170 [ 2612.991205][ T10] __sys_sendmsg+0xcd/0x170 [ 2612.991205][ T10] do_syscall_64+0xc6/0x1e0 [ 2612.991205][ T10] [ 2612.993413][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2612.993413][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2612.993413][ T10] ipv6_find_idev+0x102/0x170 [ 2612.993413][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2612.993413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2612.993413][ T10] netlink_rcv_skb+0x130/0x360 [ 2612.993413][ T10] netlink_unicast+0x449/0x710 [ 2612.993413][ T10] netlink_sendmsg+0x723/0xbe0 [ 2612.993413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2612.993413][ T10] ___sys_sendmsg+0xee/0x170 [ 2612.993413][ T10] __sys_sendmsg+0xcd/0x170 [ 2612.993413][ T10] do_syscall_64+0xc6/0x1e0 [ 2612.993413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2612.993413][ T10] [ 2612.995147][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2612.995147][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2612.995147][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2612.995147][ T10] ipv6_find_idev+0x102/0x170 [ 2612.995147][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2612.995147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2612.995147][ T10] netlink_rcv_skb+0x130/0x360 [ 2612.995147][ T10] netlink_unicast+0x449/0x710 [ 2612.995147][ T10] netlink_sendmsg+0x723/0xbe0 [ 2612.995147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2612.995147][ T10] ___sys_sendmsg+0xee/0x170 [ 2612.995147][ T10] __sys_sendmsg+0xcd/0x170 [ 2612.995147][ T10] do_syscall_64+0xc6/0x1e0 [ 2612.995147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2612.995147][ T10] [ 2612.997028][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2612.997269][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2612.997269][ T10] netdev_get_by_index+0x5e/0x80 [ 2612.997269][ T10] fib6_nh_init+0x3d8/0x1580 [ 2612.997269][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2612.997269][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2612.997269][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2612.997269][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2612.997269][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2612.997269][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2612.997269][ T10] addrconf_dad_begin+0x310/0x670 [ 2612.997269][ T10] addrconf_dad_work+0x10b/0xab0 [ 2612.997269][ T10] process_one_work+0x84d/0x18a0 [ 2612.997269][ T10] worker_thread+0x587/0xd30 [ 2612.997269][ T10] kthread+0x28a/0x350 [ 2612.997269][ T10] ret_from_fork+0x31/0x70 [ 2612.997269][ T10] ret_from_fork_asm+0x1a/0x30 [ 2612.997269][ T10] [ 2612.999430][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2612.999430][ T10] netdev_get_by_index+0x5e/0x80 [ 2612.999430][ T10] fib6_nh_init+0x3d8/0x1580 [ 2612.999430][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2612.999430][ T10] ip6_route_add+0x1c/0x140 [ 2612.999430][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2612.999430][ T10] inet6_addr_add+0x4f8/0xa40 [ 2612.999430][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2612.999430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2612.999430][ T10] netlink_rcv_skb+0x130/0x360 [ 2612.999430][ T10] netlink_unicast+0x449/0x710 [ 2612.999430][ T10] netlink_sendmsg+0x723/0xbe0 [ 2612.999430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2612.999430][ T10] ___sys_sendmsg+0xee/0x170 [ 2612.999430][ T10] __sys_sendmsg+0xcd/0x170 [ 2612.999430][ T10] do_syscall_64+0xc6/0x1e0 [ 2612.999430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2612.999430][ T10] [ 2613.001734][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2613.001734][ T10] netdev_get_by_index+0x5e/0x80 [ 2613.001734][ T10] fib6_nh_init+0x3d8/0x1580 [ 2613.001734][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2613.001734][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2613.001734][ T10] ipv6_add_addr+0x411/0x2000 [ 2613.001734][ T10] inet6_addr_add+0x30e/0xa40 [ 2613.001734][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2613.001734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2613.001734][ T10] netlink_rcv_skb+0x130/0x360 [ 2613.001734][ T10] netlink_unicast+0x449/0x710 [ 2613.001734][ T10] netlink_sendmsg+0x723/0xbe0 [ 2613.001734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2613.001734][ T10] ___sys_sendmsg+0xee/0x170 [ 2613.001734][ T10] __sys_sendmsg+0xcd/0x170 [ 2613.001734][ T10] do_syscall_64+0xc6/0x1e0 [ 2613.001734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2613.001734][ T10] [ 2613.003995][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2613.003995][ T10] netdev_get_by_index+0x5e/0x80 [ 2613.003995][ T10] fib6_nh_init+0x3d8/0x1580 [ 2613.003995][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2613.003995][ T10] ip6_route_add+0x1c/0x140 [ 2613.003995][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2613.003995][ T10] addrconf_add_dev+0xe2/0x170 [ 2613.003995][ T10] inet6_addr_add+0x12f/0xa40 [ 2613.003995][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2613.003995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2613.003995][ T10] netlink_rcv_skb+0x130/0x360 [ 2613.003995][ T10] netlink_unicast+0x449/0x710 [ 2613.003995][ T10] netlink_sendmsg+0x723/0xbe0 [ 2613.003995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2613.003995][ T10] ___sys_sendmsg+0xee/0x170 [ 2613.003995][ T10] __sys_sendmsg+0xcd/0x170 [ 2613.003995][ T10] do_syscall_64+0xc6/0x1e0 [ 2613.003995][ T10] [ 2613.006156][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2613.006156][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2613.006156][ T10] ipv6_find_idev+0x102/0x170 [ 2613.006156][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2613.006156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2613.006156][ T10] netlink_rcv_skb+0x130/0x360 [ 2613.006156][ T10] netlink_unicast+0x449/0x710 [ 2613.006156][ T10] netlink_sendmsg+0x723/0xbe0 [ 2613.006156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2613.006156][ T10] ___sys_sendmsg+0xee/0x170 [ 2613.006156][ T10] __sys_sendmsg+0xcd/0x170 [ 2613.006156][ T10] do_syscall_64+0xc6/0x1e0 [ 2613.006156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2613.006156][ T10] [ 2613.007896][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2613.007896][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2613.007896][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2613.007896][ T10] ipv6_find_idev+0x102/0x170 [ 2613.007896][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2613.007896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2613.007896][ T10] netlink_rcv_skb+0x130/0x360 [ 2613.007896][ T10] netlink_unicast+0x449/0x710 [ 2613.007896][ T10] netlink_sendmsg+0x723/0xbe0 [ 2613.007896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2613.007896][ T10] ___sys_sendmsg+0xee/0x170 [ 2613.007896][ T10] __sys_sendmsg+0xcd/0x170 [ 2613.007896][ T10] do_syscall_64+0xc6/0x1e0 [ 2613.007896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2613.007896][ T10] [ 2616.185085][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2616.185571][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2616.185571][ T1167] dst_init+0x84/0x4a0 [ 2616.185571][ T1167] dst_alloc+0x97/0x150 [ 2616.185571][ T1167] ip6_dst_alloc+0x23/0x90 [ 2616.185571][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2616.185571][ T1167] ip6_pol_route+0x56f/0x840 [ 2616.185571][ T1167] fib6_rule_lookup+0x334/0x630 [ 2616.185571][ T1167] ip6_route_output_flags+0x259/0x480 [ 2616.185571][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2616.185571][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2616.185571][ T1167] netlink_rcv_skb+0x130/0x360 [ 2616.185571][ T1167] netlink_unicast+0x449/0x710 [ 2616.185571][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2616.185571][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2616.185571][ T1167] ___sys_sendmsg+0xee/0x170 [ 2616.185571][ T1167] __sys_sendmsg+0xcd/0x170 [ 2616.185571][ T1167] do_syscall_64+0xc6/0x1e0 [ 2616.185571][ T1167] [ 2616.187773][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2616.187773][ T1167] netdev_get_by_index+0x5e/0x80 [ 2616.187773][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2616.187773][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2616.187773][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2616.187773][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2616.187773][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2616.187773][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2616.187773][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2616.187773][ T1167] addrconf_dad_begin+0x310/0x670 [ 2616.187773][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2616.187773][ T1167] process_one_work+0x84d/0x18a0 [ 2616.187773][ T1167] worker_thread+0x587/0xd30 [ 2616.187773][ T1167] kthread+0x28a/0x350 [ 2616.187773][ T1167] ret_from_fork+0x31/0x70 [ 2616.187773][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2616.187773][ T1167] [ 2616.189916][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2616.189916][ T1167] netdev_get_by_index+0x5e/0x80 [ 2616.189916][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2616.189916][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2616.189916][ T1167] ip6_route_add+0x1c/0x140 [ 2616.189916][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2616.189916][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2616.189916][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2616.189916][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2616.189916][ T1167] netlink_rcv_skb+0x130/0x360 [ 2616.189916][ T1167] netlink_unicast+0x449/0x710 [ 2616.189916][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2616.189916][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2616.189916][ T1167] ___sys_sendmsg+0xee/0x170 [ 2616.189916][ T1167] __sys_sendmsg+0xcd/0x170 [ 2616.189916][ T1167] do_syscall_64+0xc6/0x1e0 [ 2616.189916][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2616.189916][ T1167] [ 2616.192156][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2616.192156][ T1167] netdev_get_by_index+0x5e/0x80 [ 2616.192156][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2616.192156][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2616.192156][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2616.192156][ T1167] ipv6_add_addr+0x411/0x2000 [ 2616.192156][ T1167] inet6_addr_add+0x30e/0xa40 [ 2616.192156][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2616.192156][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2616.192156][ T1167] netlink_rcv_skb+0x130/0x360 [ 2616.192156][ T1167] netlink_unicast+0x449/0x710 [ 2616.192156][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2616.192156][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2616.192156][ T1167] ___sys_sendmsg+0xee/0x170 [ 2616.192156][ T1167] __sys_sendmsg+0xcd/0x170 [ 2616.192156][ T1167] do_syscall_64+0xc6/0x1e0 [ 2616.192156][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2616.192156][ T1167] [ 2616.194396][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2616.194396][ T1167] netdev_get_by_index+0x5e/0x80 [ 2616.194396][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2616.194396][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2616.194396][ T1167] ip6_route_add+0x1c/0x140 [ 2616.194396][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2616.194396][ T1167] addrconf_add_dev+0xe2/0x170 [ 2616.194396][ T1167] inet6_addr_add+0x12f/0xa40 [ 2616.194396][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2616.194396][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2616.194396][ T1167] netlink_rcv_skb+0x130/0x360 [ 2616.194396][ T1167] netlink_unicast+0x449/0x710 [ 2616.194396][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2616.194396][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2616.194396][ T1167] ___sys_sendmsg+0xee/0x170 [ 2616.194396][ T1167] __sys_sendmsg+0xcd/0x170 [ 2616.194396][ T1167] do_syscall_64+0xc6/0x1e0 [ 2616.194396][ T1167] [ 2616.196612][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2616.196612][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2616.196612][ T1167] ipv6_find_idev+0x102/0x170 [ 2616.196612][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2616.196612][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2616.196612][ T1167] netlink_rcv_skb+0x130/0x360 [ 2616.196612][ T1167] netlink_unicast+0x449/0x710 [ 2616.196612][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2616.196612][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2616.196612][ T1167] ___sys_sendmsg+0xee/0x170 [ 2616.196612][ T1167] __sys_sendmsg+0xcd/0x170 [ 2616.196612][ T1167] do_syscall_64+0xc6/0x1e0 [ 2616.196612][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2616.196612][ T1167] [ 2616.198362][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2616.198362][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2616.198362][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2616.198362][ T1167] ipv6_find_idev+0x102/0x170 [ 2616.198362][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2616.198362][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2616.198362][ T1167] netlink_rcv_skb+0x130/0x360 [ 2616.198362][ T1167] netlink_unicast+0x449/0x710 [ 2616.198362][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2616.198362][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2616.198362][ T1167] ___sys_sendmsg+0xee/0x170 [ 2616.198362][ T1167] __sys_sendmsg+0xcd/0x170 [ 2616.198362][ T1167] do_syscall_64+0xc6/0x1e0 [ 2616.198362][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2616.198362][ T1167] [ 2623.249157][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2623.249603][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2623.249603][ T10] netdev_get_by_index+0x5e/0x80 [ 2623.249603][ T10] fib6_nh_init+0x3d8/0x1580 [ 2623.249603][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2623.249603][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2623.249603][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2623.249603][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2623.249603][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2623.249603][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2623.249603][ T10] addrconf_dad_begin+0x310/0x670 [ 2623.249603][ T10] addrconf_dad_work+0x10b/0xab0 [ 2623.249603][ T10] process_one_work+0x84d/0x18a0 [ 2623.249603][ T10] worker_thread+0x587/0xd30 [ 2623.249603][ T10] kthread+0x28a/0x350 [ 2623.249603][ T10] ret_from_fork+0x31/0x70 [ 2623.249603][ T10] ret_from_fork_asm+0x1a/0x30 [ 2623.249603][ T10] [ 2623.251559][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2623.251559][ T10] netdev_get_by_index+0x5e/0x80 [ 2623.251559][ T10] fib6_nh_init+0x3d8/0x1580 [ 2623.251559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2623.251559][ T10] ip6_route_add+0x1c/0x140 [ 2623.251559][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2623.251559][ T10] inet6_addr_add+0x4f8/0xa40 [ 2623.251559][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2623.251559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2623.251559][ T10] netlink_rcv_skb+0x130/0x360 [ 2623.251559][ T10] netlink_unicast+0x449/0x710 [ 2623.251559][ T10] netlink_sendmsg+0x723/0xbe0 [ 2623.251559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2623.251559][ T10] ___sys_sendmsg+0xee/0x170 [ 2623.251559][ T10] __sys_sendmsg+0xcd/0x170 [ 2623.251559][ T10] do_syscall_64+0xc6/0x1e0 [ 2623.251559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2623.251559][ T10] [ 2623.253574][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2623.253574][ T10] netdev_get_by_index+0x5e/0x80 [ 2623.253574][ T10] fib6_nh_init+0x3d8/0x1580 [ 2623.253574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2623.253574][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2623.253574][ T10] ipv6_add_addr+0x411/0x2000 [ 2623.253574][ T10] inet6_addr_add+0x30e/0xa40 [ 2623.253574][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2623.253574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2623.253574][ T10] netlink_rcv_skb+0x130/0x360 [ 2623.253574][ T10] netlink_unicast+0x449/0x710 [ 2623.253574][ T10] netlink_sendmsg+0x723/0xbe0 [ 2623.253574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2623.253574][ T10] ___sys_sendmsg+0xee/0x170 [ 2623.253574][ T10] __sys_sendmsg+0xcd/0x170 [ 2623.253574][ T10] do_syscall_64+0xc6/0x1e0 [ 2623.253574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2623.253574][ T10] [ 2623.255635][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2623.255635][ T10] netdev_get_by_index+0x5e/0x80 [ 2623.255635][ T10] fib6_nh_init+0x3d8/0x1580 [ 2623.255635][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2623.255635][ T10] ip6_route_add+0x1c/0x140 [ 2623.255635][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2623.255635][ T10] addrconf_add_dev+0xe2/0x170 [ 2623.255635][ T10] inet6_addr_add+0x12f/0xa40 [ 2623.255635][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2623.255635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2623.255635][ T10] netlink_rcv_skb+0x130/0x360 [ 2623.255635][ T10] netlink_unicast+0x449/0x710 [ 2623.255635][ T10] netlink_sendmsg+0x723/0xbe0 [ 2623.255635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2623.255635][ T10] ___sys_sendmsg+0xee/0x170 [ 2623.255635][ T10] __sys_sendmsg+0xcd/0x170 [ 2623.255635][ T10] do_syscall_64+0xc6/0x1e0 [ 2623.255635][ T10] [ 2623.257629][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2623.257629][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2623.257629][ T10] ipv6_find_idev+0x102/0x170 [ 2623.257629][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2623.257629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2623.257629][ T10] netlink_rcv_skb+0x130/0x360 [ 2623.257629][ T10] netlink_unicast+0x449/0x710 [ 2623.257629][ T10] netlink_sendmsg+0x723/0xbe0 [ 2623.257629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2623.257629][ T10] ___sys_sendmsg+0xee/0x170 [ 2623.257629][ T10] __sys_sendmsg+0xcd/0x170 [ 2623.257629][ T10] do_syscall_64+0xc6/0x1e0 [ 2623.257629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2623.257629][ T10] [ 2623.259184][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2623.259184][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2623.259184][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2623.259184][ T10] ipv6_find_idev+0x102/0x170 [ 2623.259184][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2623.259184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2623.259184][ T10] netlink_rcv_skb+0x130/0x360 [ 2623.259184][ T10] netlink_unicast+0x449/0x710 [ 2623.259184][ T10] netlink_sendmsg+0x723/0xbe0 [ 2623.259184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2623.259184][ T10] ___sys_sendmsg+0xee/0x170 [ 2623.259184][ T10] __sys_sendmsg+0xcd/0x170 [ 2623.259184][ T10] do_syscall_64+0xc6/0x1e0 [ 2623.259184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2623.259184][ T10] [ 2623.260936][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2623.261195][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2623.261195][ T10] netdev_get_by_index+0x5e/0x80 [ 2623.261195][ T10] fib6_nh_init+0x3d8/0x1580 [ 2623.261195][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2623.261195][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2623.261195][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2623.261195][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2623.261195][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2623.261195][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2623.261195][ T10] addrconf_dad_begin+0x310/0x670 [ 2623.261195][ T10] addrconf_dad_work+0x10b/0xab0 [ 2623.261195][ T10] process_one_work+0x84d/0x18a0 [ 2623.261195][ T10] worker_thread+0x587/0xd30 [ 2623.261195][ T10] kthread+0x28a/0x350 [ 2623.261195][ T10] ret_from_fork+0x31/0x70 [ 2623.261195][ T10] ret_from_fork_asm+0x1a/0x30 [ 2623.261195][ T10] [ 2623.263121][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2623.263121][ T10] netdev_get_by_index+0x5e/0x80 [ 2623.263121][ T10] fib6_nh_init+0x3d8/0x1580 [ 2623.263121][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2623.263121][ T10] ip6_route_add+0x1c/0x140 [ 2623.263121][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2623.263121][ T10] inet6_addr_add+0x4f8/0xa40 [ 2623.263121][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2623.263121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2623.263121][ T10] netlink_rcv_skb+0x130/0x360 [ 2623.263121][ T10] netlink_unicast+0x449/0x710 [ 2623.263121][ T10] netlink_sendmsg+0x723/0xbe0 [ 2623.263121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2623.263121][ T10] ___sys_sendmsg+0xee/0x170 [ 2623.263121][ T10] __sys_sendmsg+0xcd/0x170 [ 2623.263121][ T10] do_syscall_64+0xc6/0x1e0 [ 2623.263121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2623.263121][ T10] [ 2623.265123][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2623.265123][ T10] netdev_get_by_index+0x5e/0x80 [ 2623.265123][ T10] fib6_nh_init+0x3d8/0x1580 [ 2623.265123][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2623.265123][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2623.265123][ T10] ipv6_add_addr+0x411/0x2000 [ 2623.265123][ T10] inet6_addr_add+0x30e/0xa40 [ 2623.265123][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2623.265123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2623.265123][ T10] netlink_rcv_skb+0x130/0x360 [ 2623.265123][ T10] netlink_unicast+0x449/0x710 [ 2623.265123][ T10] netlink_sendmsg+0x723/0xbe0 [ 2623.265123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2623.265123][ T10] ___sys_sendmsg+0xee/0x170 [ 2623.265123][ T10] __sys_sendmsg+0xcd/0x170 [ 2623.265123][ T10] do_syscall_64+0xc6/0x1e0 [ 2623.265123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2623.265123][ T10] [ 2623.267133][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2623.267133][ T10] netdev_get_by_index+0x5e/0x80 [ 2623.267133][ T10] fib6_nh_init+0x3d8/0x1580 [ 2623.267133][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2623.267133][ T10] ip6_route_add+0x1c/0x140 [ 2623.267133][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2623.267133][ T10] addrconf_add_dev+0xe2/0x170 [ 2623.267133][ T10] inet6_addr_add+0x12f/0xa40 [ 2623.267133][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2623.267133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2623.267133][ T10] netlink_rcv_skb+0x130/0x360 [ 2623.267133][ T10] netlink_unicast+0x449/0x710 [ 2623.267133][ T10] netlink_sendmsg+0x723/0xbe0 [ 2623.267133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2623.267133][ T10] ___sys_sendmsg+0xee/0x170 [ 2623.267133][ T10] __sys_sendmsg+0xcd/0x170 [ 2623.267133][ T10] do_syscall_64+0xc6/0x1e0 [ 2623.267133][ T10] [ 2623.269111][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2623.269111][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2623.269111][ T10] ipv6_find_idev+0x102/0x170 [ 2623.269111][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2623.269111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2623.269111][ T10] netlink_rcv_skb+0x130/0x360 [ 2623.269111][ T10] netlink_unicast+0x449/0x710 [ 2623.269111][ T10] netlink_sendmsg+0x723/0xbe0 [ 2623.269111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2623.269111][ T10] ___sys_sendmsg+0xee/0x170 [ 2623.269111][ T10] __sys_sendmsg+0xcd/0x170 [ 2623.269111][ T10] do_syscall_64+0xc6/0x1e0 [ 2623.269111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2623.269111][ T10] [ 2623.270651][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2623.270651][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2623.270651][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2623.270651][ T10] ipv6_find_idev+0x102/0x170 [ 2623.270651][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2623.270651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2623.270651][ T10] netlink_rcv_skb+0x130/0x360 [ 2623.270651][ T10] netlink_unicast+0x449/0x710 [ 2623.270651][ T10] netlink_sendmsg+0x723/0xbe0 [ 2623.270651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2623.270651][ T10] ___sys_sendmsg+0xee/0x170 [ 2623.270651][ T10] __sys_sendmsg+0xcd/0x170 [ 2623.270651][ T10] do_syscall_64+0xc6/0x1e0 [ 2623.270651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2623.270651][ T10] [ 2623.272349][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2623.272599][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2623.272599][ T10] netdev_get_by_index+0x5e/0x80 [ 2623.272599][ T10] fib6_nh_init+0x3d8/0x1580 [ 2623.272599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2623.272599][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2623.272599][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2623.272599][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2623.272599][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2623.272599][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2623.272599][ T10] addrconf_dad_begin+0x310/0x670 [ 2623.272599][ T10] addrconf_dad_work+0x10b/0xab0 [ 2623.272599][ T10] process_one_work+0x84d/0x18a0 [ 2623.272599][ T10] worker_thread+0x587/0xd30 [ 2623.272599][ T10] kthread+0x28a/0x350 [ 2623.272599][ T10] ret_from_fork+0x31/0x70 [ 2623.272599][ T10] ret_from_fork_asm+0x1a/0x30 [ 2623.272599][ T10] [ 2623.274516][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2623.274516][ T10] netdev_get_by_index+0x5e/0x80 [ 2623.274516][ T10] fib6_nh_init+0x3d8/0x1580 [ 2623.274516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2623.274516][ T10] ip6_route_add+0x1c/0x140 [ 2623.274516][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2623.274516][ T10] inet6_addr_add+0x4f8/0xa40 [ 2623.274516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2623.274516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2623.274516][ T10] netlink_rcv_skb+0x130/0x360 [ 2623.274516][ T10] netlink_unicast+0x449/0x710 [ 2623.274516][ T10] netlink_sendmsg+0x723/0xbe0 [ 2623.274516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2623.274516][ T10] ___sys_sendmsg+0xee/0x170 [ 2623.274516][ T10] __sys_sendmsg+0xcd/0x170 [ 2623.274516][ T10] do_syscall_64+0xc6/0x1e0 [ 2623.274516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2623.274516][ T10] [ 2623.276774][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2623.276774][ T10] netdev_get_by_index+0x5e/0x80 [ 2623.276774][ T10] fib6_nh_init+0x3d8/0x1580 [ 2623.276774][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2623.276774][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2623.276774][ T10] ipv6_add_addr+0x411/0x2000 [ 2623.276774][ T10] inet6_addr_add+0x30e/0xa40 [ 2623.276774][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2623.276774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2623.276774][ T10] netlink_rcv_skb+0x130/0x360 [ 2623.276774][ T10] netlink_unicast+0x449/0x710 [ 2623.276774][ T10] netlink_sendmsg+0x723/0xbe0 [ 2623.276774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2623.276774][ T10] ___sys_sendmsg+0xee/0x170 [ 2623.276774][ T10] __sys_sendmsg+0xcd/0x170 [ 2623.276774][ T10] do_syscall_64+0xc6/0x1e0 [ 2623.276774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2623.276774][ T10] [ 2623.279018][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2623.279018][ T10] netdev_get_by_index+0x5e/0x80 [ 2623.279018][ T10] fib6_nh_init+0x3d8/0x1580 [ 2623.279018][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2623.279018][ T10] ip6_route_add+0x1c/0x140 [ 2623.279018][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2623.279018][ T10] addrconf_add_dev+0xe2/0x170 [ 2623.279018][ T10] inet6_addr_add+0x12f/0xa40 [ 2623.279018][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2623.279018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2623.279018][ T10] netlink_rcv_skb+0x130/0x360 [ 2623.279018][ T10] netlink_unicast+0x449/0x710 [ 2623.279018][ T10] netlink_sendmsg+0x723/0xbe0 [ 2623.279018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2623.279018][ T10] ___sys_sendmsg+0xee/0x170 [ 2623.279018][ T10] __sys_sendmsg+0xcd/0x170 [ 2623.279018][ T10] do_syscall_64+0xc6/0x1e0 [ 2623.279018][ T10] [ 2623.281228][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2623.281228][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2623.281228][ T10] ipv6_find_idev+0x102/0x170 [ 2623.281228][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2623.281228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2623.281228][ T10] netlink_rcv_skb+0x130/0x360 [ 2623.281228][ T10] netlink_unicast+0x449/0x710 [ 2623.281228][ T10] netlink_sendmsg+0x723/0xbe0 [ 2623.281228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2623.281228][ T10] ___sys_sendmsg+0xee/0x170 [ 2623.281228][ T10] __sys_sendmsg+0xcd/0x170 [ 2623.281228][ T10] do_syscall_64+0xc6/0x1e0 [ 2623.281228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2623.281228][ T10] [ 2623.282950][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2623.282950][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2623.282950][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2623.282950][ T10] ipv6_find_idev+0x102/0x170 [ 2623.282950][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2623.282950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2623.282950][ T10] netlink_rcv_skb+0x130/0x360 [ 2623.282950][ T10] netlink_unicast+0x449/0x710 [ 2623.282950][ T10] netlink_sendmsg+0x723/0xbe0 [ 2623.282950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2623.282950][ T10] ___sys_sendmsg+0xee/0x170 [ 2623.282950][ T10] __sys_sendmsg+0xcd/0x170 [ 2623.282950][ T10] do_syscall_64+0xc6/0x1e0 [ 2623.282950][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2623.282950][ T10] [ 2623.284822][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2623.285504][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2623.285504][ T10] netdev_get_by_index+0x5e/0x80 [ 2623.285504][ T10] fib6_nh_init+0x3d8/0x1580 [ 2623.285504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2623.285504][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2623.285504][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2623.285504][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2623.285504][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2623.285504][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2623.285504][ T10] addrconf_dad_begin+0x310/0x670 [ 2623.285504][ T10] addrconf_dad_work+0x10b/0xab0 [ 2623.285504][ T10] process_one_work+0x84d/0x18a0 [ 2623.285504][ T10] worker_thread+0x587/0xd30 [ 2623.285504][ T10] kthread+0x28a/0x350 [ 2623.285504][ T10] ret_from_fork+0x31/0x70 [ 2623.285504][ T10] ret_from_fork_asm+0x1a/0x30 [ 2623.285504][ T10] [ 2623.287420][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2623.287420][ T10] netdev_get_by_index+0x5e/0x80 [ 2623.287420][ T10] fib6_nh_init+0x3d8/0x1580 [ 2623.287420][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2623.287420][ T10] ip6_route_add+0x1c/0x140 [ 2623.287420][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2623.287420][ T10] inet6_addr_add+0x4f8/0xa40 [ 2623.287420][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2623.287420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2623.287420][ T10] netlink_rcv_skb+0x130/0x360 [ 2623.287420][ T10] netlink_unicast+0x449/0x710 [ 2623.287420][ T10] netlink_sendmsg+0x723/0xbe0 [ 2623.287420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2623.287420][ T10] ___sys_sendmsg+0xee/0x170 [ 2623.287420][ T10] __sys_sendmsg+0xcd/0x170 [ 2623.287420][ T10] do_syscall_64+0xc6/0x1e0 [ 2623.287420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2623.287420][ T10] [ 2623.289623][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2623.289623][ T10] netdev_get_by_index+0x5e/0x80 [ 2623.289623][ T10] fib6_nh_init+0x3d8/0x1580 [ 2623.289623][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2623.289623][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2623.289623][ T10] ipv6_add_addr+0x411/0x2000 [ 2623.289623][ T10] inet6_addr_add+0x30e/0xa40 [ 2623.289623][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2623.289623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2623.289623][ T10] netlink_rcv_skb+0x130/0x360 [ 2623.289623][ T10] netlink_unicast+0x449/0x710 [ 2623.289623][ T10] netlink_sendmsg+0x723/0xbe0 [ 2623.289623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2623.289623][ T10] ___sys_sendmsg+0xee/0x170 [ 2623.289623][ T10] __sys_sendmsg+0xcd/0x170 [ 2623.289623][ T10] do_syscall_64+0xc6/0x1e0 [ 2623.289623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2623.289623][ T10] [ 2623.291872][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2623.291872][ T10] netdev_get_by_index+0x5e/0x80 [ 2623.291872][ T10] fib6_nh_init+0x3d8/0x1580 [ 2623.291872][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2623.291872][ T10] ip6_route_add+0x1c/0x140 [ 2623.291872][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2623.291872][ T10] addrconf_add_dev+0xe2/0x170 [ 2623.291872][ T10] inet6_addr_add+0x12f/0xa40 [ 2623.291872][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2623.291872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2623.291872][ T10] netlink_rcv_skb+0x130/0x360 [ 2623.291872][ T10] netlink_unicast+0x449/0x710 [ 2623.291872][ T10] netlink_sendmsg+0x723/0xbe0 [ 2623.291872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2623.291872][ T10] ___sys_sendmsg+0xee/0x170 [ 2623.291872][ T10] __sys_sendmsg+0xcd/0x170 [ 2623.291872][ T10] do_syscall_64+0xc6/0x1e0 [ 2623.291872][ T10] [ 2623.294103][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2623.294103][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2623.294103][ T10] ipv6_find_idev+0x102/0x170 [ 2623.294103][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2623.294103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2623.294103][ T10] netlink_rcv_skb+0x130/0x360 [ 2623.294103][ T10] netlink_unicast+0x449/0x710 [ 2623.294103][ T10] netlink_sendmsg+0x723/0xbe0 [ 2623.294103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2623.294103][ T10] ___sys_sendmsg+0xee/0x170 [ 2623.294103][ T10] __sys_sendmsg+0xcd/0x170 [ 2623.294103][ T10] do_syscall_64+0xc6/0x1e0 [ 2623.294103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2623.294103][ T10] [ 2623.295772][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2623.295772][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2623.295772][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2623.295772][ T10] ipv6_find_idev+0x102/0x170 [ 2623.295772][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2623.295772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2623.295772][ T10] netlink_rcv_skb+0x130/0x360 [ 2623.295772][ T10] netlink_unicast+0x449/0x710 [ 2623.295772][ T10] netlink_sendmsg+0x723/0xbe0 [ 2623.295772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2623.295772][ T10] ___sys_sendmsg+0xee/0x170 [ 2623.295772][ T10] __sys_sendmsg+0xcd/0x170 [ 2623.295772][ T10] do_syscall_64+0xc6/0x1e0 [ 2623.295772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2623.295772][ T10] [ 2626.441142][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2626.441638][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2626.441638][ T1167] dst_init+0x84/0x4a0 [ 2626.441638][ T1167] dst_alloc+0x97/0x150 [ 2626.441638][ T1167] ip6_dst_alloc+0x23/0x90 [ 2626.441638][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2626.441638][ T1167] ip6_pol_route+0x56f/0x840 [ 2626.441638][ T1167] fib6_rule_lookup+0x334/0x630 [ 2626.441638][ T1167] ip6_route_output_flags+0x259/0x480 [ 2626.441638][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2626.441638][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2626.441638][ T1167] netlink_rcv_skb+0x130/0x360 [ 2626.441638][ T1167] netlink_unicast+0x449/0x710 [ 2626.441638][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2626.441638][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2626.441638][ T1167] ___sys_sendmsg+0xee/0x170 [ 2626.441638][ T1167] __sys_sendmsg+0xcd/0x170 [ 2626.441638][ T1167] do_syscall_64+0xc6/0x1e0 [ 2626.441638][ T1167] [ 2626.443875][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2626.443875][ T1167] netdev_get_by_index+0x5e/0x80 [ 2626.443875][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2626.443875][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2626.443875][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2626.443875][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2626.443875][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2626.443875][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2626.443875][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2626.443875][ T1167] addrconf_dad_begin+0x310/0x670 [ 2626.443875][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2626.443875][ T1167] process_one_work+0x84d/0x18a0 [ 2626.443875][ T1167] worker_thread+0x587/0xd30 [ 2626.443875][ T1167] kthread+0x28a/0x350 [ 2626.443875][ T1167] ret_from_fork+0x31/0x70 [ 2626.443875][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2626.443875][ T1167] [ 2626.446054][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2626.446054][ T1167] netdev_get_by_index+0x5e/0x80 [ 2626.446054][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2626.446054][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2626.446054][ T1167] ip6_route_add+0x1c/0x140 [ 2626.446054][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2626.446054][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2626.446054][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2626.446054][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2626.446054][ T1167] netlink_rcv_skb+0x130/0x360 [ 2626.446054][ T1167] netlink_unicast+0x449/0x710 [ 2626.446054][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2626.446054][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2626.446054][ T1167] ___sys_sendmsg+0xee/0x170 [ 2626.446054][ T1167] __sys_sendmsg+0xcd/0x170 [ 2626.446054][ T1167] do_syscall_64+0xc6/0x1e0 [ 2626.446054][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2626.446054][ T1167] [ 2626.448319][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2626.448319][ T1167] netdev_get_by_index+0x5e/0x80 [ 2626.448319][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2626.448319][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2626.448319][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2626.448319][ T1167] ipv6_add_addr+0x411/0x2000 [ 2626.448319][ T1167] inet6_addr_add+0x30e/0xa40 [ 2626.448319][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2626.448319][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2626.448319][ T1167] netlink_rcv_skb+0x130/0x360 [ 2626.448319][ T1167] netlink_unicast+0x449/0x710 [ 2626.448319][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2626.448319][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2626.448319][ T1167] ___sys_sendmsg+0xee/0x170 [ 2626.448319][ T1167] __sys_sendmsg+0xcd/0x170 [ 2626.448319][ T1167] do_syscall_64+0xc6/0x1e0 [ 2626.448319][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2626.448319][ T1167] [ 2626.450626][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2626.450626][ T1167] netdev_get_by_index+0x5e/0x80 [ 2626.450626][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2626.450626][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2626.450626][ T1167] ip6_route_add+0x1c/0x140 [ 2626.450626][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2626.450626][ T1167] addrconf_add_dev+0xe2/0x170 [ 2626.450626][ T1167] inet6_addr_add+0x12f/0xa40 [ 2626.450626][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2626.450626][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2626.450626][ T1167] netlink_rcv_skb+0x130/0x360 [ 2626.450626][ T1167] netlink_unicast+0x449/0x710 [ 2626.450626][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2626.450626][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2626.450626][ T1167] ___sys_sendmsg+0xee/0x170 [ 2626.450626][ T1167] __sys_sendmsg+0xcd/0x170 [ 2626.450626][ T1167] do_syscall_64+0xc6/0x1e0 [ 2626.450626][ T1167] [ 2626.452875][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2626.452875][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2626.452875][ T1167] ipv6_find_idev+0x102/0x170 [ 2626.452875][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2626.452875][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2626.452875][ T1167] netlink_rcv_skb+0x130/0x360 [ 2626.452875][ T1167] netlink_unicast+0x449/0x710 [ 2626.452875][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2626.452875][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2626.452875][ T1167] ___sys_sendmsg+0xee/0x170 [ 2626.452875][ T1167] __sys_sendmsg+0xcd/0x170 [ 2626.452875][ T1167] do_syscall_64+0xc6/0x1e0 [ 2626.452875][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2626.452875][ T1167] [ 2626.454638][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2626.454638][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2626.454638][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2626.454638][ T1167] ipv6_find_idev+0x102/0x170 [ 2626.454638][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2626.454638][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2626.454638][ T1167] netlink_rcv_skb+0x130/0x360 [ 2626.454638][ T1167] netlink_unicast+0x449/0x710 [ 2626.454638][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2626.454638][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2626.454638][ T1167] ___sys_sendmsg+0xee/0x170 [ 2626.454638][ T1167] __sys_sendmsg+0xcd/0x170 [ 2626.454638][ T1167] do_syscall_64+0xc6/0x1e0 [ 2626.454638][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2626.454638][ T1167] [ 2633.409133][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2633.409556][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2633.409556][ T10] netdev_get_by_index+0x5e/0x80 [ 2633.409556][ T10] fib6_nh_init+0x3d8/0x1580 [ 2633.409556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2633.409556][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2633.409556][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2633.409556][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2633.409556][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2633.409556][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2633.409556][ T10] addrconf_dad_begin+0x310/0x670 [ 2633.409556][ T10] addrconf_dad_work+0x10b/0xab0 [ 2633.409556][ T10] process_one_work+0x84d/0x18a0 [ 2633.409556][ T10] worker_thread+0x587/0xd30 [ 2633.409556][ T10] kthread+0x28a/0x350 [ 2633.409556][ T10] ret_from_fork+0x31/0x70 [ 2633.409556][ T10] ret_from_fork_asm+0x1a/0x30 [ 2633.409556][ T10] [ 2633.411597][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2633.411597][ T10] netdev_get_by_index+0x5e/0x80 [ 2633.411597][ T10] fib6_nh_init+0x3d8/0x1580 [ 2633.411597][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2633.411597][ T10] ip6_route_add+0x1c/0x140 [ 2633.411597][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2633.411597][ T10] inet6_addr_add+0x4f8/0xa40 [ 2633.411597][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2633.411597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2633.411597][ T10] netlink_rcv_skb+0x130/0x360 [ 2633.411597][ T10] netlink_unicast+0x449/0x710 [ 2633.411597][ T10] netlink_sendmsg+0x723/0xbe0 [ 2633.411597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2633.411597][ T10] ___sys_sendmsg+0xee/0x170 [ 2633.411597][ T10] __sys_sendmsg+0xcd/0x170 [ 2633.411597][ T10] do_syscall_64+0xc6/0x1e0 [ 2633.411597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2633.411597][ T10] [ 2633.413712][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2633.413712][ T10] netdev_get_by_index+0x5e/0x80 [ 2633.413712][ T10] fib6_nh_init+0x3d8/0x1580 [ 2633.413712][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2633.413712][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2633.413712][ T10] ipv6_add_addr+0x411/0x2000 [ 2633.413712][ T10] inet6_addr_add+0x30e/0xa40 [ 2633.413712][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2633.413712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2633.413712][ T10] netlink_rcv_skb+0x130/0x360 [ 2633.413712][ T10] netlink_unicast+0x449/0x710 [ 2633.413712][ T10] netlink_sendmsg+0x723/0xbe0 [ 2633.413712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2633.413712][ T10] ___sys_sendmsg+0xee/0x170 [ 2633.413712][ T10] __sys_sendmsg+0xcd/0x170 [ 2633.413712][ T10] do_syscall_64+0xc6/0x1e0 [ 2633.413712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2633.413712][ T10] [ 2633.415850][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2633.415850][ T10] netdev_get_by_index+0x5e/0x80 [ 2633.415850][ T10] fib6_nh_init+0x3d8/0x1580 [ 2633.415850][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2633.415850][ T10] ip6_route_add+0x1c/0x140 [ 2633.415850][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2633.415850][ T10] addrconf_add_dev+0xe2/0x170 [ 2633.415850][ T10] inet6_addr_add+0x12f/0xa40 [ 2633.415850][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2633.415850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2633.415850][ T10] netlink_rcv_skb+0x130/0x360 [ 2633.415850][ T10] netlink_unicast+0x449/0x710 [ 2633.415850][ T10] netlink_sendmsg+0x723/0xbe0 [ 2633.415850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2633.415850][ T10] ___sys_sendmsg+0xee/0x170 [ 2633.415850][ T10] __sys_sendmsg+0xcd/0x170 [ 2633.415850][ T10] do_syscall_64+0xc6/0x1e0 [ 2633.415850][ T10] [ 2633.417979][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2633.417979][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2633.417979][ T10] ipv6_find_idev+0x102/0x170 [ 2633.417979][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2633.417979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2633.417979][ T10] netlink_rcv_skb+0x130/0x360 [ 2633.417979][ T10] netlink_unicast+0x449/0x710 [ 2633.417979][ T10] netlink_sendmsg+0x723/0xbe0 [ 2633.417979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2633.417979][ T10] ___sys_sendmsg+0xee/0x170 [ 2633.417979][ T10] __sys_sendmsg+0xcd/0x170 [ 2633.417979][ T10] do_syscall_64+0xc6/0x1e0 [ 2633.417979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2633.417979][ T10] [ 2633.419647][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2633.419647][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2633.419647][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2633.419647][ T10] ipv6_find_idev+0x102/0x170 [ 2633.419647][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2633.419647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2633.419647][ T10] netlink_rcv_skb+0x130/0x360 [ 2633.419647][ T10] netlink_unicast+0x449/0x710 [ 2633.419647][ T10] netlink_sendmsg+0x723/0xbe0 [ 2633.419647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2633.419647][ T10] ___sys_sendmsg+0xee/0x170 [ 2633.419647][ T10] __sys_sendmsg+0xcd/0x170 [ 2633.419647][ T10] do_syscall_64+0xc6/0x1e0 [ 2633.419647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2633.419647][ T10] [ 2633.421397][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2633.421661][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2633.421661][ T10] netdev_get_by_index+0x5e/0x80 [ 2633.421661][ T10] fib6_nh_init+0x3d8/0x1580 [ 2633.421661][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2633.421661][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2633.421661][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2633.421661][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2633.421661][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2633.421661][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2633.421661][ T10] addrconf_dad_begin+0x310/0x670 [ 2633.421661][ T10] addrconf_dad_work+0x10b/0xab0 [ 2633.421661][ T10] process_one_work+0x84d/0x18a0 [ 2633.421661][ T10] worker_thread+0x587/0xd30 [ 2633.421661][ T10] kthread+0x28a/0x350 [ 2633.421661][ T10] ret_from_fork+0x31/0x70 [ 2633.421661][ T10] ret_from_fork_asm+0x1a/0x30 [ 2633.421661][ T10] [ 2633.423584][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2633.423584][ T10] netdev_get_by_index+0x5e/0x80 [ 2633.423584][ T10] fib6_nh_init+0x3d8/0x1580 [ 2633.423584][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2633.423584][ T10] ip6_route_add+0x1c/0x140 [ 2633.423584][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2633.423584][ T10] inet6_addr_add+0x4f8/0xa40 [ 2633.423584][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2633.423584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2633.423584][ T10] netlink_rcv_skb+0x130/0x360 [ 2633.423584][ T10] netlink_unicast+0x449/0x710 [ 2633.423584][ T10] netlink_sendmsg+0x723/0xbe0 [ 2633.423584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2633.423584][ T10] ___sys_sendmsg+0xee/0x170 [ 2633.423584][ T10] __sys_sendmsg+0xcd/0x170 [ 2633.423584][ T10] do_syscall_64+0xc6/0x1e0 [ 2633.423584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2633.423584][ T10] [ 2633.425716][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2633.425716][ T10] netdev_get_by_index+0x5e/0x80 [ 2633.425716][ T10] fib6_nh_init+0x3d8/0x1580 [ 2633.425716][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2633.425716][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2633.425716][ T10] ipv6_add_addr+0x411/0x2000 [ 2633.425716][ T10] inet6_addr_add+0x30e/0xa40 [ 2633.425716][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2633.425716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2633.425716][ T10] netlink_rcv_skb+0x130/0x360 [ 2633.425716][ T10] netlink_unicast+0x449/0x710 [ 2633.425716][ T10] netlink_sendmsg+0x723/0xbe0 [ 2633.425716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2633.425716][ T10] ___sys_sendmsg+0xee/0x170 [ 2633.425716][ T10] __sys_sendmsg+0xcd/0x170 [ 2633.425716][ T10] do_syscall_64+0xc6/0x1e0 [ 2633.425716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2633.425716][ T10] [ 2633.427832][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2633.427832][ T10] netdev_get_by_index+0x5e/0x80 [ 2633.427832][ T10] fib6_nh_init+0x3d8/0x1580 [ 2633.427832][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2633.427832][ T10] ip6_route_add+0x1c/0x140 [ 2633.427832][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2633.427832][ T10] addrconf_add_dev+0xe2/0x170 [ 2633.427832][ T10] inet6_addr_add+0x12f/0xa40 [ 2633.427832][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2633.427832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2633.427832][ T10] netlink_rcv_skb+0x130/0x360 [ 2633.427832][ T10] netlink_unicast+0x449/0x710 [ 2633.427832][ T10] netlink_sendmsg+0x723/0xbe0 [ 2633.427832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2633.427832][ T10] ___sys_sendmsg+0xee/0x170 [ 2633.427832][ T10] __sys_sendmsg+0xcd/0x170 [ 2633.427832][ T10] do_syscall_64+0xc6/0x1e0 [ 2633.427832][ T10] [ 2633.429812][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2633.429812][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2633.429812][ T10] ipv6_find_idev+0x102/0x170 [ 2633.429812][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2633.429812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2633.429812][ T10] netlink_rcv_skb+0x130/0x360 [ 2633.429812][ T10] netlink_unicast+0x449/0x710 [ 2633.429812][ T10] netlink_sendmsg+0x723/0xbe0 [ 2633.429812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2633.429812][ T10] ___sys_sendmsg+0xee/0x170 [ 2633.429812][ T10] __sys_sendmsg+0xcd/0x170 [ 2633.429812][ T10] do_syscall_64+0xc6/0x1e0 [ 2633.429812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2633.429812][ T10] [ 2633.431361][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2633.431361][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2633.431361][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2633.431361][ T10] ipv6_find_idev+0x102/0x170 [ 2633.431361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2633.431361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2633.431361][ T10] netlink_rcv_skb+0x130/0x360 [ 2633.431361][ T10] netlink_unicast+0x449/0x710 [ 2633.431361][ T10] netlink_sendmsg+0x723/0xbe0 [ 2633.431361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2633.431361][ T10] ___sys_sendmsg+0xee/0x170 [ 2633.431361][ T10] __sys_sendmsg+0xcd/0x170 [ 2633.431361][ T10] do_syscall_64+0xc6/0x1e0 [ 2633.431361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2633.431361][ T10] [ 2633.433094][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2633.433343][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2633.433343][ T10] netdev_get_by_index+0x5e/0x80 [ 2633.433343][ T10] fib6_nh_init+0x3d8/0x1580 [ 2633.433343][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2633.433343][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2633.433343][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2633.433343][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2633.433343][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2633.433343][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2633.433343][ T10] addrconf_dad_begin+0x310/0x670 [ 2633.433343][ T10] addrconf_dad_work+0x10b/0xab0 [ 2633.433343][ T10] process_one_work+0x84d/0x18a0 [ 2633.433343][ T10] worker_thread+0x587/0xd30 [ 2633.433343][ T10] kthread+0x28a/0x350 [ 2633.433343][ T10] ret_from_fork+0x31/0x70 [ 2633.433343][ T10] ret_from_fork_asm+0x1a/0x30 [ 2633.433343][ T10] [ 2633.435276][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2633.435276][ T10] netdev_get_by_index+0x5e/0x80 [ 2633.435276][ T10] fib6_nh_init+0x3d8/0x1580 [ 2633.435276][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2633.435276][ T10] ip6_route_add+0x1c/0x140 [ 2633.435276][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2633.435276][ T10] inet6_addr_add+0x4f8/0xa40 [ 2633.435276][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2633.435276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2633.435276][ T10] netlink_rcv_skb+0x130/0x360 [ 2633.435276][ T10] netlink_unicast+0x449/0x710 [ 2633.435276][ T10] netlink_sendmsg+0x723/0xbe0 [ 2633.435276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2633.435276][ T10] ___sys_sendmsg+0xee/0x170 [ 2633.435276][ T10] __sys_sendmsg+0xcd/0x170 [ 2633.435276][ T10] do_syscall_64+0xc6/0x1e0 [ 2633.435276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2633.435276][ T10] [ 2633.437562][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2633.437562][ T10] netdev_get_by_index+0x5e/0x80 [ 2633.437562][ T10] fib6_nh_init+0x3d8/0x1580 [ 2633.437562][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2633.437562][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2633.437562][ T10] ipv6_add_addr+0x411/0x2000 [ 2633.437562][ T10] inet6_addr_add+0x30e/0xa40 [ 2633.437562][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2633.437562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2633.437562][ T10] netlink_rcv_skb+0x130/0x360 [ 2633.437562][ T10] netlink_unicast+0x449/0x710 [ 2633.437562][ T10] netlink_sendmsg+0x723/0xbe0 [ 2633.437562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2633.437562][ T10] ___sys_sendmsg+0xee/0x170 [ 2633.437562][ T10] __sys_sendmsg+0xcd/0x170 [ 2633.437562][ T10] do_syscall_64+0xc6/0x1e0 [ 2633.437562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2633.437562][ T10] [ 2633.440034][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2633.440034][ T10] netdev_get_by_index+0x5e/0x80 [ 2633.440034][ T10] fib6_nh_init+0x3d8/0x1580 [ 2633.440034][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2633.440034][ T10] ip6_route_add+0x1c/0x140 [ 2633.440034][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2633.440034][ T10] addrconf_add_dev+0xe2/0x170 [ 2633.440034][ T10] inet6_addr_add+0x12f/0xa40 [ 2633.440034][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2633.440034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2633.440034][ T10] netlink_rcv_skb+0x130/0x360 [ 2633.440034][ T10] netlink_unicast+0x449/0x710 [ 2633.440034][ T10] netlink_sendmsg+0x723/0xbe0 [ 2633.440034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2633.440034][ T10] ___sys_sendmsg+0xee/0x170 [ 2633.440034][ T10] __sys_sendmsg+0xcd/0x170 [ 2633.440034][ T10] do_syscall_64+0xc6/0x1e0 [ 2633.440034][ T10] [ 2633.442410][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2633.442410][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2633.442410][ T10] ipv6_find_idev+0x102/0x170 [ 2633.442410][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2633.442410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2633.442410][ T10] netlink_rcv_skb+0x130/0x360 [ 2633.442410][ T10] netlink_unicast+0x449/0x710 [ 2633.442410][ T10] netlink_sendmsg+0x723/0xbe0 [ 2633.442410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2633.442410][ T10] ___sys_sendmsg+0xee/0x170 [ 2633.442410][ T10] __sys_sendmsg+0xcd/0x170 [ 2633.442410][ T10] do_syscall_64+0xc6/0x1e0 [ 2633.442410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2633.442410][ T10] [ 2633.444271][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2633.444271][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2633.444271][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2633.444271][ T10] ipv6_find_idev+0x102/0x170 [ 2633.444271][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2633.444271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2633.444271][ T10] netlink_rcv_skb+0x130/0x360 [ 2633.444271][ T10] netlink_unicast+0x449/0x710 [ 2633.444271][ T10] netlink_sendmsg+0x723/0xbe0 [ 2633.444271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2633.444271][ T10] ___sys_sendmsg+0xee/0x170 [ 2633.444271][ T10] __sys_sendmsg+0xcd/0x170 [ 2633.444271][ T10] do_syscall_64+0xc6/0x1e0 [ 2633.444271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2633.444271][ T10] [ 2633.446284][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2633.446547][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2633.446547][ T10] netdev_get_by_index+0x5e/0x80 [ 2633.446547][ T10] fib6_nh_init+0x3d8/0x1580 [ 2633.446547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2633.446547][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2633.446547][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2633.446547][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2633.446547][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2633.446547][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2633.446547][ T10] addrconf_dad_begin+0x310/0x670 [ 2633.446547][ T10] addrconf_dad_work+0x10b/0xab0 [ 2633.446547][ T10] process_one_work+0x84d/0x18a0 [ 2633.446547][ T10] worker_thread+0x587/0xd30 [ 2633.446547][ T10] kthread+0x28a/0x350 [ 2633.446547][ T10] ret_from_fork+0x31/0x70 [ 2633.446547][ T10] ret_from_fork_asm+0x1a/0x30 [ 2633.446547][ T10] [ 2633.448883][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2633.448883][ T10] netdev_get_by_index+0x5e/0x80 [ 2633.448883][ T10] fib6_nh_init+0x3d8/0x1580 [ 2633.448883][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2633.448883][ T10] ip6_route_add+0x1c/0x140 [ 2633.448883][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2633.448883][ T10] inet6_addr_add+0x4f8/0xa40 [ 2633.448883][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2633.448883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2633.448883][ T10] netlink_rcv_skb+0x130/0x360 [ 2633.448883][ T10] netlink_unicast+0x449/0x710 [ 2633.448883][ T10] netlink_sendmsg+0x723/0xbe0 [ 2633.448883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2633.448883][ T10] ___sys_sendmsg+0xee/0x170 [ 2633.448883][ T10] __sys_sendmsg+0xcd/0x170 [ 2633.448883][ T10] do_syscall_64+0xc6/0x1e0 [ 2633.448883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2633.448883][ T10] [ 2633.451137][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2633.451137][ T10] netdev_get_by_index+0x5e/0x80 [ 2633.451137][ T10] fib6_nh_init+0x3d8/0x1580 [ 2633.451137][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2633.451137][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2633.451137][ T10] ipv6_add_addr+0x411/0x2000 [ 2633.451137][ T10] inet6_addr_add+0x30e/0xa40 [ 2633.451137][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2633.451137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2633.451137][ T10] netlink_rcv_skb+0x130/0x360 [ 2633.451137][ T10] netlink_unicast+0x449/0x710 [ 2633.451137][ T10] netlink_sendmsg+0x723/0xbe0 [ 2633.451137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2633.451137][ T10] ___sys_sendmsg+0xee/0x170 [ 2633.451137][ T10] __sys_sendmsg+0xcd/0x170 [ 2633.451137][ T10] do_syscall_64+0xc6/0x1e0 [ 2633.451137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2633.451137][ T10] [ 2633.453411][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2633.453411][ T10] netdev_get_by_index+0x5e/0x80 [ 2633.453411][ T10] fib6_nh_init+0x3d8/0x1580 [ 2633.453411][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2633.453411][ T10] ip6_route_add+0x1c/0x140 [ 2633.453411][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2633.453411][ T10] addrconf_add_dev+0xe2/0x170 [ 2633.453411][ T10] inet6_addr_add+0x12f/0xa40 [ 2633.453411][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2633.453411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2633.453411][ T10] netlink_rcv_skb+0x130/0x360 [ 2633.453411][ T10] netlink_unicast+0x449/0x710 [ 2633.453411][ T10] netlink_sendmsg+0x723/0xbe0 [ 2633.453411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2633.453411][ T10] ___sys_sendmsg+0xee/0x170 [ 2633.453411][ T10] __sys_sendmsg+0xcd/0x170 [ 2633.453411][ T10] do_syscall_64+0xc6/0x1e0 [ 2633.453411][ T10] [ 2633.455693][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2633.455693][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2633.455693][ T10] ipv6_find_idev+0x102/0x170 [ 2633.455693][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2633.455693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2633.455693][ T10] netlink_rcv_skb+0x130/0x360 [ 2633.455693][ T10] netlink_unicast+0x449/0x710 [ 2633.455693][ T10] netlink_sendmsg+0x723/0xbe0 [ 2633.455693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2633.455693][ T10] ___sys_sendmsg+0xee/0x170 [ 2633.455693][ T10] __sys_sendmsg+0xcd/0x170 [ 2633.455693][ T10] do_syscall_64+0xc6/0x1e0 [ 2633.455693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2633.455693][ T10] [ 2633.457542][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2633.457542][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2633.457542][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2633.457542][ T10] ipv6_find_idev+0x102/0x170 [ 2633.457542][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2633.457542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2633.457542][ T10] netlink_rcv_skb+0x130/0x360 [ 2633.457542][ T10] netlink_unicast+0x449/0x710 [ 2633.457542][ T10] netlink_sendmsg+0x723/0xbe0 [ 2633.457542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2633.457542][ T10] ___sys_sendmsg+0xee/0x170 [ 2633.457542][ T10] __sys_sendmsg+0xcd/0x170 [ 2633.457542][ T10] do_syscall_64+0xc6/0x1e0 [ 2633.457542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2633.457542][ T10] [ 2636.481135][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2636.481638][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2636.481638][ T1167] dst_init+0x84/0x4a0 [ 2636.481638][ T1167] dst_alloc+0x97/0x150 [ 2636.481638][ T1167] ip6_dst_alloc+0x23/0x90 [ 2636.481638][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2636.481638][ T1167] ip6_pol_route+0x56f/0x840 [ 2636.481638][ T1167] fib6_rule_lookup+0x334/0x630 [ 2636.481638][ T1167] ip6_route_output_flags+0x259/0x480 [ 2636.481638][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2636.481638][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2636.481638][ T1167] netlink_rcv_skb+0x130/0x360 [ 2636.481638][ T1167] netlink_unicast+0x449/0x710 [ 2636.481638][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2636.481638][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2636.481638][ T1167] ___sys_sendmsg+0xee/0x170 [ 2636.481638][ T1167] __sys_sendmsg+0xcd/0x170 [ 2636.481638][ T1167] do_syscall_64+0xc6/0x1e0 [ 2636.481638][ T1167] [ 2636.484106][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2636.484106][ T1167] netdev_get_by_index+0x5e/0x80 [ 2636.484106][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2636.484106][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2636.484106][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2636.484106][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2636.484106][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2636.484106][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2636.484106][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2636.484106][ T1167] addrconf_dad_begin+0x310/0x670 [ 2636.484106][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2636.484106][ T1167] process_one_work+0x84d/0x18a0 [ 2636.484106][ T1167] worker_thread+0x587/0xd30 [ 2636.484106][ T1167] kthread+0x28a/0x350 [ 2636.484106][ T1167] ret_from_fork+0x31/0x70 [ 2636.484106][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2636.484106][ T1167] [ 2636.486492][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2636.486492][ T1167] netdev_get_by_index+0x5e/0x80 [ 2636.486492][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2636.486492][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2636.486492][ T1167] ip6_route_add+0x1c/0x140 [ 2636.486492][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2636.486492][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2636.486492][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2636.486492][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.486492][ T1167] netlink_rcv_skb+0x130/0x360 [ 2636.486492][ T1167] netlink_unicast+0x449/0x710 [ 2636.486492][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2636.486492][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2636.486492][ T1167] ___sys_sendmsg+0xee/0x170 [ 2636.486492][ T1167] __sys_sendmsg+0xcd/0x170 [ 2636.486492][ T1167] do_syscall_64+0xc6/0x1e0 [ 2636.486492][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2636.486492][ T1167] [ 2636.489109][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2636.489109][ T1167] netdev_get_by_index+0x5e/0x80 [ 2636.489109][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2636.489109][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2636.489109][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2636.489109][ T1167] ipv6_add_addr+0x411/0x2000 [ 2636.489109][ T1167] inet6_addr_add+0x30e/0xa40 [ 2636.489109][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2636.489109][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.489109][ T1167] netlink_rcv_skb+0x130/0x360 [ 2636.489109][ T1167] netlink_unicast+0x449/0x710 [ 2636.489109][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2636.489109][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2636.489109][ T1167] ___sys_sendmsg+0xee/0x170 [ 2636.489109][ T1167] __sys_sendmsg+0xcd/0x170 [ 2636.489109][ T1167] do_syscall_64+0xc6/0x1e0 [ 2636.489109][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2636.489109][ T1167] [ 2636.491586][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2636.491586][ T1167] netdev_get_by_index+0x5e/0x80 [ 2636.491586][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2636.491586][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2636.491586][ T1167] ip6_route_add+0x1c/0x140 [ 2636.491586][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2636.491586][ T1167] addrconf_add_dev+0xe2/0x170 [ 2636.491586][ T1167] inet6_addr_add+0x12f/0xa40 [ 2636.491586][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2636.491586][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.491586][ T1167] netlink_rcv_skb+0x130/0x360 [ 2636.491586][ T1167] netlink_unicast+0x449/0x710 [ 2636.491586][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2636.491586][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2636.491586][ T1167] ___sys_sendmsg+0xee/0x170 [ 2636.491586][ T1167] __sys_sendmsg+0xcd/0x170 [ 2636.491586][ T1167] do_syscall_64+0xc6/0x1e0 [ 2636.491586][ T1167] [ 2636.494110][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2636.494110][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2636.494110][ T1167] ipv6_find_idev+0x102/0x170 [ 2636.494110][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2636.494110][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.494110][ T1167] netlink_rcv_skb+0x130/0x360 [ 2636.494110][ T1167] netlink_unicast+0x449/0x710 [ 2636.494110][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2636.494110][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2636.494110][ T1167] ___sys_sendmsg+0xee/0x170 [ 2636.494110][ T1167] __sys_sendmsg+0xcd/0x170 [ 2636.494110][ T1167] do_syscall_64+0xc6/0x1e0 [ 2636.494110][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2636.494110][ T1167] [ 2636.496041][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2636.496041][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2636.496041][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2636.496041][ T1167] ipv6_find_idev+0x102/0x170 [ 2636.496041][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2636.496041][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.496041][ T1167] netlink_rcv_skb+0x130/0x360 [ 2636.496041][ T1167] netlink_unicast+0x449/0x710 [ 2636.496041][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2636.496041][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2636.496041][ T1167] ___sys_sendmsg+0xee/0x170 [ 2636.496041][ T1167] __sys_sendmsg+0xcd/0x170 [ 2636.496041][ T1167] do_syscall_64+0xc6/0x1e0 [ 2636.496041][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2636.496041][ T1167] [ 2643.713111][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2643.713632][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2643.713632][ T10] netdev_get_by_index+0x5e/0x80 [ 2643.713632][ T10] fib6_nh_init+0x3d8/0x1580 [ 2643.713632][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2643.713632][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2643.713632][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2643.713632][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2643.713632][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2643.713632][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2643.713632][ T10] addrconf_dad_begin+0x310/0x670 [ 2643.713632][ T10] addrconf_dad_work+0x10b/0xab0 [ 2643.713632][ T10] process_one_work+0x84d/0x18a0 [ 2643.713632][ T10] worker_thread+0x587/0xd30 [ 2643.713632][ T10] kthread+0x28a/0x350 [ 2643.713632][ T10] ret_from_fork+0x31/0x70 [ 2643.713632][ T10] ret_from_fork_asm+0x1a/0x30 [ 2643.713632][ T10] [ 2643.716637][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2643.716637][ T10] netdev_get_by_index+0x5e/0x80 [ 2643.716637][ T10] fib6_nh_init+0x3d8/0x1580 [ 2643.716637][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2643.716637][ T10] ip6_route_add+0x1c/0x140 [ 2643.716637][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2643.716637][ T10] inet6_addr_add+0x4f8/0xa40 [ 2643.716637][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2643.716637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2643.716637][ T10] netlink_rcv_skb+0x130/0x360 [ 2643.716637][ T10] netlink_unicast+0x449/0x710 [ 2643.716637][ T10] netlink_sendmsg+0x723/0xbe0 [ 2643.716637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2643.716637][ T10] ___sys_sendmsg+0xee/0x170 [ 2643.716637][ T10] __sys_sendmsg+0xcd/0x170 [ 2643.716637][ T10] do_syscall_64+0xc6/0x1e0 [ 2643.716637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2643.716637][ T10] [ 2643.719643][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2643.719643][ T10] netdev_get_by_index+0x5e/0x80 [ 2643.719643][ T10] fib6_nh_init+0x3d8/0x1580 [ 2643.719643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2643.719643][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2643.719643][ T10] ipv6_add_addr+0x411/0x2000 [ 2643.719643][ T10] inet6_addr_add+0x30e/0xa40 [ 2643.719643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2643.719643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2643.719643][ T10] netlink_rcv_skb+0x130/0x360 [ 2643.719643][ T10] netlink_unicast+0x449/0x710 [ 2643.719643][ T10] netlink_sendmsg+0x723/0xbe0 [ 2643.719643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2643.719643][ T10] ___sys_sendmsg+0xee/0x170 [ 2643.719643][ T10] __sys_sendmsg+0xcd/0x170 [ 2643.719643][ T10] do_syscall_64+0xc6/0x1e0 [ 2643.719643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2643.719643][ T10] [ 2643.722421][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2643.722421][ T10] netdev_get_by_index+0x5e/0x80 [ 2643.722421][ T10] fib6_nh_init+0x3d8/0x1580 [ 2643.722421][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2643.722421][ T10] ip6_route_add+0x1c/0x140 [ 2643.722421][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2643.722421][ T10] addrconf_add_dev+0xe2/0x170 [ 2643.722421][ T10] inet6_addr_add+0x12f/0xa40 [ 2643.722421][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2643.722421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2643.722421][ T10] netlink_rcv_skb+0x130/0x360 [ 2643.722421][ T10] netlink_unicast+0x449/0x710 [ 2643.722421][ T10] netlink_sendmsg+0x723/0xbe0 [ 2643.722421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2643.722421][ T10] ___sys_sendmsg+0xee/0x170 [ 2643.722421][ T10] __sys_sendmsg+0xcd/0x170 [ 2643.722421][ T10] do_syscall_64+0xc6/0x1e0 [ 2643.722421][ T10] [ 2643.724658][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2643.724658][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2643.724658][ T10] ipv6_find_idev+0x102/0x170 [ 2643.724658][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2643.724658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2643.724658][ T10] netlink_rcv_skb+0x130/0x360 [ 2643.724658][ T10] netlink_unicast+0x449/0x710 [ 2643.724658][ T10] netlink_sendmsg+0x723/0xbe0 [ 2643.724658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2643.724658][ T10] ___sys_sendmsg+0xee/0x170 [ 2643.724658][ T10] __sys_sendmsg+0xcd/0x170 [ 2643.724658][ T10] do_syscall_64+0xc6/0x1e0 [ 2643.724658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2643.724658][ T10] [ 2643.726229][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2643.726229][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2643.726229][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2643.726229][ T10] ipv6_find_idev+0x102/0x170 [ 2643.726229][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2643.726229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2643.726229][ T10] netlink_rcv_skb+0x130/0x360 [ 2643.726229][ T10] netlink_unicast+0x449/0x710 [ 2643.726229][ T10] netlink_sendmsg+0x723/0xbe0 [ 2643.726229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2643.726229][ T10] ___sys_sendmsg+0xee/0x170 [ 2643.726229][ T10] __sys_sendmsg+0xcd/0x170 [ 2643.726229][ T10] do_syscall_64+0xc6/0x1e0 [ 2643.726229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2643.726229][ T10] [ 2643.728018][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2643.728273][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2643.728273][ T10] netdev_get_by_index+0x5e/0x80 [ 2643.728273][ T10] fib6_nh_init+0x3d8/0x1580 [ 2643.728273][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2643.728273][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2643.728273][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2643.728273][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2643.728273][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2643.728273][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2643.728273][ T10] addrconf_dad_begin+0x310/0x670 [ 2643.728273][ T10] addrconf_dad_work+0x10b/0xab0 [ 2643.728273][ T10] process_one_work+0x84d/0x18a0 [ 2643.728273][ T10] worker_thread+0x587/0xd30 [ 2643.728273][ T10] kthread+0x28a/0x350 [ 2643.728273][ T10] ret_from_fork+0x31/0x70 [ 2643.728273][ T10] ret_from_fork_asm+0x1a/0x30 [ 2643.728273][ T10] [ 2643.730250][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2643.730250][ T10] netdev_get_by_index+0x5e/0x80 [ 2643.730250][ T10] fib6_nh_init+0x3d8/0x1580 [ 2643.730250][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2643.730250][ T10] ip6_route_add+0x1c/0x140 [ 2643.730250][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2643.730250][ T10] inet6_addr_add+0x4f8/0xa40 [ 2643.730250][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2643.730250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2643.730250][ T10] netlink_rcv_skb+0x130/0x360 [ 2643.730250][ T10] netlink_unicast+0x449/0x710 [ 2643.730250][ T10] netlink_sendmsg+0x723/0xbe0 [ 2643.730250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2643.730250][ T10] ___sys_sendmsg+0xee/0x170 [ 2643.730250][ T10] __sys_sendmsg+0xcd/0x170 [ 2643.730250][ T10] do_syscall_64+0xc6/0x1e0 [ 2643.730250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2643.730250][ T10] [ 2643.732485][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2643.732485][ T10] netdev_get_by_index+0x5e/0x80 [ 2643.732485][ T10] fib6_nh_init+0x3d8/0x1580 [ 2643.732485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2643.732485][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2643.732485][ T10] ipv6_add_addr+0x411/0x2000 [ 2643.732485][ T10] inet6_addr_add+0x30e/0xa40 [ 2643.732485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2643.732485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2643.732485][ T10] netlink_rcv_skb+0x130/0x360 [ 2643.732485][ T10] netlink_unicast+0x449/0x710 [ 2643.732485][ T10] netlink_sendmsg+0x723/0xbe0 [ 2643.732485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2643.732485][ T10] ___sys_sendmsg+0xee/0x170 [ 2643.732485][ T10] __sys_sendmsg+0xcd/0x170 [ 2643.732485][ T10] do_syscall_64+0xc6/0x1e0 [ 2643.732485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2643.732485][ T10] [ 2643.734516][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2643.734516][ T10] netdev_get_by_index+0x5e/0x80 [ 2643.734516][ T10] fib6_nh_init+0x3d8/0x1580 [ 2643.734516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2643.734516][ T10] ip6_route_add+0x1c/0x140 [ 2643.734516][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2643.734516][ T10] addrconf_add_dev+0xe2/0x170 [ 2643.734516][ T10] inet6_addr_add+0x12f/0xa40 [ 2643.734516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2643.734516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2643.734516][ T10] netlink_rcv_skb+0x130/0x360 [ 2643.734516][ T10] netlink_unicast+0x449/0x710 [ 2643.734516][ T10] netlink_sendmsg+0x723/0xbe0 [ 2643.734516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2643.734516][ T10] ___sys_sendmsg+0xee/0x170 [ 2643.734516][ T10] __sys_sendmsg+0xcd/0x170 [ 2643.734516][ T10] do_syscall_64+0xc6/0x1e0 [ 2643.734516][ T10] [ 2643.736573][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2643.736573][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2643.736573][ T10] ipv6_find_idev+0x102/0x170 [ 2643.736573][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2643.736573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2643.736573][ T10] netlink_rcv_skb+0x130/0x360 [ 2643.736573][ T10] netlink_unicast+0x449/0x710 [ 2643.736573][ T10] netlink_sendmsg+0x723/0xbe0 [ 2643.736573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2643.736573][ T10] ___sys_sendmsg+0xee/0x170 [ 2643.736573][ T10] __sys_sendmsg+0xcd/0x170 [ 2643.736573][ T10] do_syscall_64+0xc6/0x1e0 [ 2643.736573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2643.736573][ T10] [ 2643.738132][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2643.738132][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2643.738132][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2643.738132][ T10] ipv6_find_idev+0x102/0x170 [ 2643.738132][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2643.738132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2643.738132][ T10] netlink_rcv_skb+0x130/0x360 [ 2643.738132][ T10] netlink_unicast+0x449/0x710 [ 2643.738132][ T10] netlink_sendmsg+0x723/0xbe0 [ 2643.738132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2643.738132][ T10] ___sys_sendmsg+0xee/0x170 [ 2643.738132][ T10] __sys_sendmsg+0xcd/0x170 [ 2643.738132][ T10] do_syscall_64+0xc6/0x1e0 [ 2643.738132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2643.738132][ T10] [ 2643.740434][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2643.740690][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2643.740690][ T10] netdev_get_by_index+0x5e/0x80 [ 2643.740690][ T10] fib6_nh_init+0x3d8/0x1580 [ 2643.740690][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2643.740690][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2643.740690][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2643.740690][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2643.740690][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2643.740690][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2643.740690][ T10] addrconf_dad_begin+0x310/0x670 [ 2643.740690][ T10] addrconf_dad_work+0x10b/0xab0 [ 2643.740690][ T10] process_one_work+0x84d/0x18a0 [ 2643.740690][ T10] worker_thread+0x587/0xd30 [ 2643.740690][ T10] kthread+0x28a/0x350 [ 2643.740690][ T10] ret_from_fork+0x31/0x70 [ 2643.740690][ T10] ret_from_fork_asm+0x1a/0x30 [ 2643.740690][ T10] [ 2643.742631][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2643.742631][ T10] netdev_get_by_index+0x5e/0x80 [ 2643.742631][ T10] fib6_nh_init+0x3d8/0x1580 [ 2643.742631][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2643.742631][ T10] ip6_route_add+0x1c/0x140 [ 2643.742631][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2643.742631][ T10] inet6_addr_add+0x4f8/0xa40 [ 2643.742631][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2643.742631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2643.742631][ T10] netlink_rcv_skb+0x130/0x360 [ 2643.742631][ T10] netlink_unicast+0x449/0x710 [ 2643.742631][ T10] netlink_sendmsg+0x723/0xbe0 [ 2643.742631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2643.742631][ T10] ___sys_sendmsg+0xee/0x170 [ 2643.742631][ T10] __sys_sendmsg+0xcd/0x170 [ 2643.742631][ T10] do_syscall_64+0xc6/0x1e0 [ 2643.742631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2643.742631][ T10] [ 2643.744900][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2643.744900][ T10] netdev_get_by_index+0x5e/0x80 [ 2643.744900][ T10] fib6_nh_init+0x3d8/0x1580 [ 2643.744900][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2643.744900][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2643.744900][ T10] ipv6_add_addr+0x411/0x2000 [ 2643.744900][ T10] inet6_addr_add+0x30e/0xa40 [ 2643.744900][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2643.744900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2643.744900][ T10] netlink_rcv_skb+0x130/0x360 [ 2643.744900][ T10] netlink_unicast+0x449/0x710 [ 2643.744900][ T10] netlink_sendmsg+0x723/0xbe0 [ 2643.744900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2643.744900][ T10] ___sys_sendmsg+0xee/0x170 [ 2643.744900][ T10] __sys_sendmsg+0xcd/0x170 [ 2643.744900][ T10] do_syscall_64+0xc6/0x1e0 [ 2643.744900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2643.744900][ T10] [ 2643.747161][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2643.747161][ T10] netdev_get_by_index+0x5e/0x80 [ 2643.747161][ T10] fib6_nh_init+0x3d8/0x1580 [ 2643.747161][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2643.747161][ T10] ip6_route_add+0x1c/0x140 [ 2643.747161][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2643.747161][ T10] addrconf_add_dev+0xe2/0x170 [ 2643.747161][ T10] inet6_addr_add+0x12f/0xa40 [ 2643.747161][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2643.747161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2643.747161][ T10] netlink_rcv_skb+0x130/0x360 [ 2643.747161][ T10] netlink_unicast+0x449/0x710 [ 2643.747161][ T10] netlink_sendmsg+0x723/0xbe0 [ 2643.747161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2643.747161][ T10] ___sys_sendmsg+0xee/0x170 [ 2643.747161][ T10] __sys_sendmsg+0xcd/0x170 [ 2643.747161][ T10] do_syscall_64+0xc6/0x1e0 [ 2643.747161][ T10] [ 2643.749403][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2643.749403][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2643.749403][ T10] ipv6_find_idev+0x102/0x170 [ 2643.749403][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2643.749403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2643.749403][ T10] netlink_rcv_skb+0x130/0x360 [ 2643.749403][ T10] netlink_unicast+0x449/0x710 [ 2643.749403][ T10] netlink_sendmsg+0x723/0xbe0 [ 2643.749403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2643.749403][ T10] ___sys_sendmsg+0xee/0x170 [ 2643.749403][ T10] __sys_sendmsg+0xcd/0x170 [ 2643.749403][ T10] do_syscall_64+0xc6/0x1e0 [ 2643.749403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2643.749403][ T10] [ 2643.751133][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2643.751133][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2643.751133][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2643.751133][ T10] ipv6_find_idev+0x102/0x170 [ 2643.751133][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2643.751133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2643.751133][ T10] netlink_rcv_skb+0x130/0x360 [ 2643.751133][ T10] netlink_unicast+0x449/0x710 [ 2643.751133][ T10] netlink_sendmsg+0x723/0xbe0 [ 2643.751133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2643.751133][ T10] ___sys_sendmsg+0xee/0x170 [ 2643.751133][ T10] __sys_sendmsg+0xcd/0x170 [ 2643.751133][ T10] do_syscall_64+0xc6/0x1e0 [ 2643.751133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2643.751133][ T10] [ 2643.753474][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2643.753720][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2643.753720][ T10] netdev_get_by_index+0x5e/0x80 [ 2643.753720][ T10] fib6_nh_init+0x3d8/0x1580 [ 2643.753720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2643.753720][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2643.753720][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2643.753720][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2643.753720][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2643.753720][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2643.753720][ T10] addrconf_dad_begin+0x310/0x670 [ 2643.753720][ T10] addrconf_dad_work+0x10b/0xab0 [ 2643.753720][ T10] process_one_work+0x84d/0x18a0 [ 2643.753720][ T10] worker_thread+0x587/0xd30 [ 2643.753720][ T10] kthread+0x28a/0x350 [ 2643.753720][ T10] ret_from_fork+0x31/0x70 [ 2643.753720][ T10] ret_from_fork_asm+0x1a/0x30 [ 2643.753720][ T10] [ 2643.755894][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2643.755894][ T10] netdev_get_by_index+0x5e/0x80 [ 2643.755894][ T10] fib6_nh_init+0x3d8/0x1580 [ 2643.755894][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2643.755894][ T10] ip6_route_add+0x1c/0x140 [ 2643.755894][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2643.755894][ T10] inet6_addr_add+0x4f8/0xa40 [ 2643.755894][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2643.755894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2643.755894][ T10] netlink_rcv_skb+0x130/0x360 [ 2643.755894][ T10] netlink_unicast+0x449/0x710 [ 2643.755894][ T10] netlink_sendmsg+0x723/0xbe0 [ 2643.755894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2643.755894][ T10] ___sys_sendmsg+0xee/0x170 [ 2643.755894][ T10] __sys_sendmsg+0xcd/0x170 [ 2643.755894][ T10] do_syscall_64+0xc6/0x1e0 [ 2643.755894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2643.755894][ T10] [ 2643.758140][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2643.758140][ T10] netdev_get_by_index+0x5e/0x80 [ 2643.758140][ T10] fib6_nh_init+0x3d8/0x1580 [ 2643.758140][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2643.758140][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2643.758140][ T10] ipv6_add_addr+0x411/0x2000 [ 2643.758140][ T10] inet6_addr_add+0x30e/0xa40 [ 2643.758140][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2643.758140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2643.758140][ T10] netlink_rcv_skb+0x130/0x360 [ 2643.758140][ T10] netlink_unicast+0x449/0x710 [ 2643.758140][ T10] netlink_sendmsg+0x723/0xbe0 [ 2643.758140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2643.758140][ T10] ___sys_sendmsg+0xee/0x170 [ 2643.758140][ T10] __sys_sendmsg+0xcd/0x170 [ 2643.758140][ T10] do_syscall_64+0xc6/0x1e0 [ 2643.758140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2643.758140][ T10] [ 2643.760414][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2643.760414][ T10] netdev_get_by_index+0x5e/0x80 [ 2643.760414][ T10] fib6_nh_init+0x3d8/0x1580 [ 2643.760414][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2643.760414][ T10] ip6_route_add+0x1c/0x140 [ 2643.760414][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2643.760414][ T10] addrconf_add_dev+0xe2/0x170 [ 2643.760414][ T10] inet6_addr_add+0x12f/0xa40 [ 2643.760414][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2643.760414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2643.760414][ T10] netlink_rcv_skb+0x130/0x360 [ 2643.760414][ T10] netlink_unicast+0x449/0x710 [ 2643.760414][ T10] netlink_sendmsg+0x723/0xbe0 [ 2643.760414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2643.760414][ T10] ___sys_sendmsg+0xee/0x170 [ 2643.760414][ T10] __sys_sendmsg+0xcd/0x170 [ 2643.760414][ T10] do_syscall_64+0xc6/0x1e0 [ 2643.760414][ T10] [ 2643.762623][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2643.762623][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2643.762623][ T10] ipv6_find_idev+0x102/0x170 [ 2643.762623][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2643.762623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2643.762623][ T10] netlink_rcv_skb+0x130/0x360 [ 2643.762623][ T10] netlink_unicast+0x449/0x710 [ 2643.762623][ T10] netlink_sendmsg+0x723/0xbe0 [ 2643.762623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2643.762623][ T10] ___sys_sendmsg+0xee/0x170 [ 2643.762623][ T10] __sys_sendmsg+0xcd/0x170 [ 2643.762623][ T10] do_syscall_64+0xc6/0x1e0 [ 2643.762623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2643.762623][ T10] [ 2643.764349][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2643.764349][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2643.764349][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2643.764349][ T10] ipv6_find_idev+0x102/0x170 [ 2643.764349][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2643.764349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2643.764349][ T10] netlink_rcv_skb+0x130/0x360 [ 2643.764349][ T10] netlink_unicast+0x449/0x710 [ 2643.764349][ T10] netlink_sendmsg+0x723/0xbe0 [ 2643.764349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2643.764349][ T10] ___sys_sendmsg+0xee/0x170 [ 2643.764349][ T10] __sys_sendmsg+0xcd/0x170 [ 2643.764349][ T10] do_syscall_64+0xc6/0x1e0 [ 2643.764349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2643.764349][ T10] [ 2646.737171][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2646.737615][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2646.737615][ T1167] dst_init+0x84/0x4a0 [ 2646.737615][ T1167] dst_alloc+0x97/0x150 [ 2646.737615][ T1167] ip6_dst_alloc+0x23/0x90 [ 2646.737615][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2646.737615][ T1167] ip6_pol_route+0x56f/0x840 [ 2646.737615][ T1167] fib6_rule_lookup+0x334/0x630 [ 2646.737615][ T1167] ip6_route_output_flags+0x259/0x480 [ 2646.737615][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2646.737615][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2646.737615][ T1167] netlink_rcv_skb+0x130/0x360 [ 2646.737615][ T1167] netlink_unicast+0x449/0x710 [ 2646.737615][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2646.737615][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2646.737615][ T1167] ___sys_sendmsg+0xee/0x170 [ 2646.737615][ T1167] __sys_sendmsg+0xcd/0x170 [ 2646.737615][ T1167] do_syscall_64+0xc6/0x1e0 [ 2646.737615][ T1167] [ 2646.739865][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2646.739865][ T1167] netdev_get_by_index+0x5e/0x80 [ 2646.739865][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2646.739865][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2646.739865][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2646.739865][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2646.739865][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2646.739865][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2646.739865][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2646.739865][ T1167] addrconf_dad_begin+0x310/0x670 [ 2646.739865][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2646.739865][ T1167] process_one_work+0x84d/0x18a0 [ 2646.739865][ T1167] worker_thread+0x587/0xd30 [ 2646.739865][ T1167] kthread+0x28a/0x350 [ 2646.739865][ T1167] ret_from_fork+0x31/0x70 [ 2646.739865][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2646.739865][ T1167] [ 2646.742030][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2646.742030][ T1167] netdev_get_by_index+0x5e/0x80 [ 2646.742030][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2646.742030][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2646.742030][ T1167] ip6_route_add+0x1c/0x140 [ 2646.742030][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2646.742030][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2646.742030][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2646.742030][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.742030][ T1167] netlink_rcv_skb+0x130/0x360 [ 2646.742030][ T1167] netlink_unicast+0x449/0x710 [ 2646.742030][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2646.742030][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2646.742030][ T1167] ___sys_sendmsg+0xee/0x170 [ 2646.742030][ T1167] __sys_sendmsg+0xcd/0x170 [ 2646.742030][ T1167] do_syscall_64+0xc6/0x1e0 [ 2646.742030][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.742030][ T1167] [ 2646.744294][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2646.744294][ T1167] netdev_get_by_index+0x5e/0x80 [ 2646.744294][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2646.744294][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2646.744294][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2646.744294][ T1167] ipv6_add_addr+0x411/0x2000 [ 2646.744294][ T1167] inet6_addr_add+0x30e/0xa40 [ 2646.744294][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2646.744294][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.744294][ T1167] netlink_rcv_skb+0x130/0x360 [ 2646.744294][ T1167] netlink_unicast+0x449/0x710 [ 2646.744294][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2646.744294][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2646.744294][ T1167] ___sys_sendmsg+0xee/0x170 [ 2646.744294][ T1167] __sys_sendmsg+0xcd/0x170 [ 2646.744294][ T1167] do_syscall_64+0xc6/0x1e0 [ 2646.744294][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.744294][ T1167] [ 2646.746581][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2646.746581][ T1167] netdev_get_by_index+0x5e/0x80 [ 2646.746581][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2646.746581][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2646.746581][ T1167] ip6_route_add+0x1c/0x140 [ 2646.746581][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2646.746581][ T1167] addrconf_add_dev+0xe2/0x170 [ 2646.746581][ T1167] inet6_addr_add+0x12f/0xa40 [ 2646.746581][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2646.746581][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.746581][ T1167] netlink_rcv_skb+0x130/0x360 [ 2646.746581][ T1167] netlink_unicast+0x449/0x710 [ 2646.746581][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2646.746581][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2646.746581][ T1167] ___sys_sendmsg+0xee/0x170 [ 2646.746581][ T1167] __sys_sendmsg+0xcd/0x170 [ 2646.746581][ T1167] do_syscall_64+0xc6/0x1e0 [ 2646.746581][ T1167] [ 2646.748806][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2646.748806][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2646.748806][ T1167] ipv6_find_idev+0x102/0x170 [ 2646.748806][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2646.748806][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.748806][ T1167] netlink_rcv_skb+0x130/0x360 [ 2646.748806][ T1167] netlink_unicast+0x449/0x710 [ 2646.748806][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2646.748806][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2646.748806][ T1167] ___sys_sendmsg+0xee/0x170 [ 2646.748806][ T1167] __sys_sendmsg+0xcd/0x170 [ 2646.748806][ T1167] do_syscall_64+0xc6/0x1e0 [ 2646.748806][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.748806][ T1167] [ 2646.750541][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2646.750541][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2646.750541][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2646.750541][ T1167] ipv6_find_idev+0x102/0x170 [ 2646.750541][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2646.750541][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.750541][ T1167] netlink_rcv_skb+0x130/0x360 [ 2646.750541][ T1167] netlink_unicast+0x449/0x710 [ 2646.750541][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2646.750541][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2646.750541][ T1167] ___sys_sendmsg+0xee/0x170 [ 2646.750541][ T1167] __sys_sendmsg+0xcd/0x170 [ 2646.750541][ T1167] do_syscall_64+0xc6/0x1e0 [ 2646.750541][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.750541][ T1167] [ 2654.017072][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2654.017444][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2654.017444][ T10] netdev_get_by_index+0x5e/0x80 [ 2654.017444][ T10] fib6_nh_init+0x3d8/0x1580 [ 2654.017444][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2654.017444][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2654.017444][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2654.017444][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2654.017444][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2654.017444][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2654.017444][ T10] addrconf_dad_begin+0x310/0x670 [ 2654.017444][ T10] addrconf_dad_work+0x10b/0xab0 [ 2654.017444][ T10] process_one_work+0x84d/0x18a0 [ 2654.017444][ T10] worker_thread+0x587/0xd30 [ 2654.017444][ T10] kthread+0x28a/0x350 [ 2654.017444][ T10] ret_from_fork+0x31/0x70 [ 2654.017444][ T10] ret_from_fork_asm+0x1a/0x30 [ 2654.017444][ T10] [ 2654.019409][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2654.019409][ T10] netdev_get_by_index+0x5e/0x80 [ 2654.019409][ T10] fib6_nh_init+0x3d8/0x1580 [ 2654.019409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2654.019409][ T10] ip6_route_add+0x1c/0x140 [ 2654.019409][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2654.019409][ T10] inet6_addr_add+0x4f8/0xa40 [ 2654.019409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2654.019409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2654.019409][ T10] netlink_rcv_skb+0x130/0x360 [ 2654.019409][ T10] netlink_unicast+0x449/0x710 [ 2654.019409][ T10] netlink_sendmsg+0x723/0xbe0 [ 2654.019409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2654.019409][ T10] ___sys_sendmsg+0xee/0x170 [ 2654.019409][ T10] __sys_sendmsg+0xcd/0x170 [ 2654.019409][ T10] do_syscall_64+0xc6/0x1e0 [ 2654.019409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2654.019409][ T10] [ 2654.021831][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2654.021831][ T10] netdev_get_by_index+0x5e/0x80 [ 2654.021831][ T10] fib6_nh_init+0x3d8/0x1580 [ 2654.021831][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2654.021831][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2654.021831][ T10] ipv6_add_addr+0x411/0x2000 [ 2654.021831][ T10] inet6_addr_add+0x30e/0xa40 [ 2654.021831][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2654.021831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2654.021831][ T10] netlink_rcv_skb+0x130/0x360 [ 2654.021831][ T10] netlink_unicast+0x449/0x710 [ 2654.021831][ T10] netlink_sendmsg+0x723/0xbe0 [ 2654.021831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2654.021831][ T10] ___sys_sendmsg+0xee/0x170 [ 2654.021831][ T10] __sys_sendmsg+0xcd/0x170 [ 2654.021831][ T10] do_syscall_64+0xc6/0x1e0 [ 2654.021831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2654.021831][ T10] [ 2654.023846][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2654.023846][ T10] netdev_get_by_index+0x5e/0x80 [ 2654.023846][ T10] fib6_nh_init+0x3d8/0x1580 [ 2654.023846][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2654.023846][ T10] ip6_route_add+0x1c/0x140 [ 2654.023846][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2654.023846][ T10] addrconf_add_dev+0xe2/0x170 [ 2654.023846][ T10] inet6_addr_add+0x12f/0xa40 [ 2654.023846][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2654.023846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2654.023846][ T10] netlink_rcv_skb+0x130/0x360 [ 2654.023846][ T10] netlink_unicast+0x449/0x710 [ 2654.023846][ T10] netlink_sendmsg+0x723/0xbe0 [ 2654.023846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2654.023846][ T10] ___sys_sendmsg+0xee/0x170 [ 2654.023846][ T10] __sys_sendmsg+0xcd/0x170 [ 2654.023846][ T10] do_syscall_64+0xc6/0x1e0 [ 2654.023846][ T10] [ 2654.025842][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2654.025842][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2654.025842][ T10] ipv6_find_idev+0x102/0x170 [ 2654.025842][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2654.025842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2654.025842][ T10] netlink_rcv_skb+0x130/0x360 [ 2654.025842][ T10] netlink_unicast+0x449/0x710 [ 2654.025842][ T10] netlink_sendmsg+0x723/0xbe0 [ 2654.025842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2654.025842][ T10] ___sys_sendmsg+0xee/0x170 [ 2654.025842][ T10] __sys_sendmsg+0xcd/0x170 [ 2654.025842][ T10] do_syscall_64+0xc6/0x1e0 [ 2654.025842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2654.025842][ T10] [ 2654.027405][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2654.027405][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2654.027405][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2654.027405][ T10] ipv6_find_idev+0x102/0x170 [ 2654.027405][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2654.027405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2654.027405][ T10] netlink_rcv_skb+0x130/0x360 [ 2654.027405][ T10] netlink_unicast+0x449/0x710 [ 2654.027405][ T10] netlink_sendmsg+0x723/0xbe0 [ 2654.027405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2654.027405][ T10] ___sys_sendmsg+0xee/0x170 [ 2654.027405][ T10] __sys_sendmsg+0xcd/0x170 [ 2654.027405][ T10] do_syscall_64+0xc6/0x1e0 [ 2654.027405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2654.027405][ T10] [ 2654.029135][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2654.029388][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2654.029388][ T10] netdev_get_by_index+0x5e/0x80 [ 2654.029388][ T10] fib6_nh_init+0x3d8/0x1580 [ 2654.029388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2654.029388][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2654.029388][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2654.029388][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2654.029388][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2654.029388][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2654.029388][ T10] addrconf_dad_begin+0x310/0x670 [ 2654.029388][ T10] addrconf_dad_work+0x10b/0xab0 [ 2654.029388][ T10] process_one_work+0x84d/0x18a0 [ 2654.029388][ T10] worker_thread+0x587/0xd30 [ 2654.029388][ T10] kthread+0x28a/0x350 [ 2654.029388][ T10] ret_from_fork+0x31/0x70 [ 2654.029388][ T10] ret_from_fork_asm+0x1a/0x30 [ 2654.029388][ T10] [ 2654.031328][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2654.031328][ T10] netdev_get_by_index+0x5e/0x80 [ 2654.031328][ T10] fib6_nh_init+0x3d8/0x1580 [ 2654.031328][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2654.031328][ T10] ip6_route_add+0x1c/0x140 [ 2654.031328][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2654.031328][ T10] inet6_addr_add+0x4f8/0xa40 [ 2654.031328][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2654.031328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2654.031328][ T10] netlink_rcv_skb+0x130/0x360 [ 2654.031328][ T10] netlink_unicast+0x449/0x710 [ 2654.031328][ T10] netlink_sendmsg+0x723/0xbe0 [ 2654.031328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2654.031328][ T10] ___sys_sendmsg+0xee/0x170 [ 2654.031328][ T10] __sys_sendmsg+0xcd/0x170 [ 2654.031328][ T10] do_syscall_64+0xc6/0x1e0 [ 2654.031328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2654.031328][ T10] [ 2654.033363][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2654.033363][ T10] netdev_get_by_index+0x5e/0x80 [ 2654.033363][ T10] fib6_nh_init+0x3d8/0x1580 [ 2654.033363][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2654.033363][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2654.033363][ T10] ipv6_add_addr+0x411/0x2000 [ 2654.033363][ T10] inet6_addr_add+0x30e/0xa40 [ 2654.033363][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2654.033363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2654.033363][ T10] netlink_rcv_skb+0x130/0x360 [ 2654.033363][ T10] netlink_unicast+0x449/0x710 [ 2654.033363][ T10] netlink_sendmsg+0x723/0xbe0 [ 2654.033363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2654.033363][ T10] ___sys_sendmsg+0xee/0x170 [ 2654.033363][ T10] __sys_sendmsg+0xcd/0x170 [ 2654.033363][ T10] do_syscall_64+0xc6/0x1e0 [ 2654.033363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2654.033363][ T10] [ 2654.035391][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2654.035391][ T10] netdev_get_by_index+0x5e/0x80 [ 2654.035391][ T10] fib6_nh_init+0x3d8/0x1580 [ 2654.035391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2654.035391][ T10] ip6_route_add+0x1c/0x140 [ 2654.035391][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2654.035391][ T10] addrconf_add_dev+0xe2/0x170 [ 2654.035391][ T10] inet6_addr_add+0x12f/0xa40 [ 2654.035391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2654.035391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2654.035391][ T10] netlink_rcv_skb+0x130/0x360 [ 2654.035391][ T10] netlink_unicast+0x449/0x710 [ 2654.035391][ T10] netlink_sendmsg+0x723/0xbe0 [ 2654.035391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2654.035391][ T10] ___sys_sendmsg+0xee/0x170 [ 2654.035391][ T10] __sys_sendmsg+0xcd/0x170 [ 2654.035391][ T10] do_syscall_64+0xc6/0x1e0 [ 2654.035391][ T10] [ 2654.037393][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2654.037393][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2654.037393][ T10] ipv6_find_idev+0x102/0x170 [ 2654.037393][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2654.037393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2654.037393][ T10] netlink_rcv_skb+0x130/0x360 [ 2654.037393][ T10] netlink_unicast+0x449/0x710 [ 2654.037393][ T10] netlink_sendmsg+0x723/0xbe0 [ 2654.037393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2654.037393][ T10] ___sys_sendmsg+0xee/0x170 [ 2654.037393][ T10] __sys_sendmsg+0xcd/0x170 [ 2654.037393][ T10] do_syscall_64+0xc6/0x1e0 [ 2654.037393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2654.037393][ T10] [ 2654.038960][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2654.038960][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2654.038960][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2654.038960][ T10] ipv6_find_idev+0x102/0x170 [ 2654.038960][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2654.038960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2654.038960][ T10] netlink_rcv_skb+0x130/0x360 [ 2654.038960][ T10] netlink_unicast+0x449/0x710 [ 2654.038960][ T10] netlink_sendmsg+0x723/0xbe0 [ 2654.038960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2654.038960][ T10] ___sys_sendmsg+0xee/0x170 [ 2654.038960][ T10] __sys_sendmsg+0xcd/0x170 [ 2654.038960][ T10] do_syscall_64+0xc6/0x1e0 [ 2654.038960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2654.038960][ T10] [ 2654.040676][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2654.040924][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2654.040924][ T10] netdev_get_by_index+0x5e/0x80 [ 2654.040924][ T10] fib6_nh_init+0x3d8/0x1580 [ 2654.040924][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2654.040924][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2654.040924][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2654.040924][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2654.040924][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2654.040924][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2654.040924][ T10] addrconf_dad_begin+0x310/0x670 [ 2654.040924][ T10] addrconf_dad_work+0x10b/0xab0 [ 2654.040924][ T10] process_one_work+0x84d/0x18a0 [ 2654.040924][ T10] worker_thread+0x587/0xd30 [ 2654.040924][ T10] kthread+0x28a/0x350 [ 2654.040924][ T10] ret_from_fork+0x31/0x70 [ 2654.040924][ T10] ret_from_fork_asm+0x1a/0x30 [ 2654.040924][ T10] [ 2654.042870][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2654.042870][ T10] netdev_get_by_index+0x5e/0x80 [ 2654.042870][ T10] fib6_nh_init+0x3d8/0x1580 [ 2654.042870][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2654.042870][ T10] ip6_route_add+0x1c/0x140 [ 2654.042870][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2654.042870][ T10] inet6_addr_add+0x4f8/0xa40 [ 2654.042870][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2654.042870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2654.042870][ T10] netlink_rcv_skb+0x130/0x360 [ 2654.042870][ T10] netlink_unicast+0x449/0x710 [ 2654.042870][ T10] netlink_sendmsg+0x723/0xbe0 [ 2654.042870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2654.042870][ T10] ___sys_sendmsg+0xee/0x170 [ 2654.042870][ T10] __sys_sendmsg+0xcd/0x170 [ 2654.042870][ T10] do_syscall_64+0xc6/0x1e0 [ 2654.042870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2654.042870][ T10] [ 2654.045077][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2654.045077][ T10] netdev_get_by_index+0x5e/0x80 [ 2654.045077][ T10] fib6_nh_init+0x3d8/0x1580 [ 2654.045077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2654.045077][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2654.045077][ T10] ipv6_add_addr+0x411/0x2000 [ 2654.045077][ T10] inet6_addr_add+0x30e/0xa40 [ 2654.045077][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2654.045077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2654.045077][ T10] netlink_rcv_skb+0x130/0x360 [ 2654.045077][ T10] netlink_unicast+0x449/0x710 [ 2654.045077][ T10] netlink_sendmsg+0x723/0xbe0 [ 2654.045077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2654.045077][ T10] ___sys_sendmsg+0xee/0x170 [ 2654.045077][ T10] __sys_sendmsg+0xcd/0x170 [ 2654.045077][ T10] do_syscall_64+0xc6/0x1e0 [ 2654.045077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2654.045077][ T10] [ 2654.047357][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2654.047357][ T10] netdev_get_by_index+0x5e/0x80 [ 2654.047357][ T10] fib6_nh_init+0x3d8/0x1580 [ 2654.047357][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2654.047357][ T10] ip6_route_add+0x1c/0x140 [ 2654.047357][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2654.047357][ T10] addrconf_add_dev+0xe2/0x170 [ 2654.047357][ T10] inet6_addr_add+0x12f/0xa40 [ 2654.047357][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2654.047357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2654.047357][ T10] netlink_rcv_skb+0x130/0x360 [ 2654.047357][ T10] netlink_unicast+0x449/0x710 [ 2654.047357][ T10] netlink_sendmsg+0x723/0xbe0 [ 2654.047357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2654.047357][ T10] ___sys_sendmsg+0xee/0x170 [ 2654.047357][ T10] __sys_sendmsg+0xcd/0x170 [ 2654.047357][ T10] do_syscall_64+0xc6/0x1e0 [ 2654.047357][ T10] [ 2654.049604][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2654.049604][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2654.049604][ T10] ipv6_find_idev+0x102/0x170 [ 2654.049604][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2654.049604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2654.049604][ T10] netlink_rcv_skb+0x130/0x360 [ 2654.049604][ T10] netlink_unicast+0x449/0x710 [ 2654.049604][ T10] netlink_sendmsg+0x723/0xbe0 [ 2654.049604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2654.049604][ T10] ___sys_sendmsg+0xee/0x170 [ 2654.049604][ T10] __sys_sendmsg+0xcd/0x170 [ 2654.049604][ T10] do_syscall_64+0xc6/0x1e0 [ 2654.049604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2654.049604][ T10] [ 2654.051406][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2654.051406][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2654.051406][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2654.051406][ T10] ipv6_find_idev+0x102/0x170 [ 2654.051406][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2654.051406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2654.051406][ T10] netlink_rcv_skb+0x130/0x360 [ 2654.051406][ T10] netlink_unicast+0x449/0x710 [ 2654.051406][ T10] netlink_sendmsg+0x723/0xbe0 [ 2654.051406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2654.051406][ T10] ___sys_sendmsg+0xee/0x170 [ 2654.051406][ T10] __sys_sendmsg+0xcd/0x170 [ 2654.051406][ T10] do_syscall_64+0xc6/0x1e0 [ 2654.051406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2654.051406][ T10] [ 2654.053303][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2654.053548][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2654.053548][ T10] netdev_get_by_index+0x5e/0x80 [ 2654.053548][ T10] fib6_nh_init+0x3d8/0x1580 [ 2654.053548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2654.053548][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2654.053548][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2654.053548][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2654.053548][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2654.053548][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2654.053548][ T10] addrconf_dad_begin+0x310/0x670 [ 2654.053548][ T10] addrconf_dad_work+0x10b/0xab0 [ 2654.053548][ T10] process_one_work+0x84d/0x18a0 [ 2654.053548][ T10] worker_thread+0x587/0xd30 [ 2654.053548][ T10] kthread+0x28a/0x350 [ 2654.053548][ T10] ret_from_fork+0x31/0x70 [ 2654.053548][ T10] ret_from_fork_asm+0x1a/0x30 [ 2654.053548][ T10] [ 2654.055735][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2654.055735][ T10] netdev_get_by_index+0x5e/0x80 [ 2654.055735][ T10] fib6_nh_init+0x3d8/0x1580 [ 2654.055735][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2654.055735][ T10] ip6_route_add+0x1c/0x140 [ 2654.055735][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2654.055735][ T10] inet6_addr_add+0x4f8/0xa40 [ 2654.055735][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2654.055735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2654.055735][ T10] netlink_rcv_skb+0x130/0x360 [ 2654.055735][ T10] netlink_unicast+0x449/0x710 [ 2654.055735][ T10] netlink_sendmsg+0x723/0xbe0 [ 2654.055735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2654.055735][ T10] ___sys_sendmsg+0xee/0x170 [ 2654.055735][ T10] __sys_sendmsg+0xcd/0x170 [ 2654.055735][ T10] do_syscall_64+0xc6/0x1e0 [ 2654.055735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2654.055735][ T10] [ 2654.057940][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2654.057940][ T10] netdev_get_by_index+0x5e/0x80 [ 2654.057940][ T10] fib6_nh_init+0x3d8/0x1580 [ 2654.057940][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2654.057940][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2654.057940][ T10] ipv6_add_addr+0x411/0x2000 [ 2654.057940][ T10] inet6_addr_add+0x30e/0xa40 [ 2654.057940][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2654.057940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2654.057940][ T10] netlink_rcv_skb+0x130/0x360 [ 2654.057940][ T10] netlink_unicast+0x449/0x710 [ 2654.057940][ T10] netlink_sendmsg+0x723/0xbe0 [ 2654.057940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2654.057940][ T10] ___sys_sendmsg+0xee/0x170 [ 2654.057940][ T10] __sys_sendmsg+0xcd/0x170 [ 2654.057940][ T10] do_syscall_64+0xc6/0x1e0 [ 2654.057940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2654.057940][ T10] [ 2654.060102][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2654.060102][ T10] netdev_get_by_index+0x5e/0x80 [ 2654.060102][ T10] fib6_nh_init+0x3d8/0x1580 [ 2654.060102][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2654.060102][ T10] ip6_route_add+0x1c/0x140 [ 2654.060102][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2654.060102][ T10] addrconf_add_dev+0xe2/0x170 [ 2654.060102][ T10] inet6_addr_add+0x12f/0xa40 [ 2654.060102][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2654.060102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2654.060102][ T10] netlink_rcv_skb+0x130/0x360 [ 2654.060102][ T10] netlink_unicast+0x449/0x710 [ 2654.060102][ T10] netlink_sendmsg+0x723/0xbe0 [ 2654.060102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2654.060102][ T10] ___sys_sendmsg+0xee/0x170 [ 2654.060102][ T10] __sys_sendmsg+0xcd/0x170 [ 2654.060102][ T10] do_syscall_64+0xc6/0x1e0 [ 2654.060102][ T10] [ 2654.062220][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2654.062220][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2654.062220][ T10] ipv6_find_idev+0x102/0x170 [ 2654.062220][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2654.062220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2654.062220][ T10] netlink_rcv_skb+0x130/0x360 [ 2654.062220][ T10] netlink_unicast+0x449/0x710 [ 2654.062220][ T10] netlink_sendmsg+0x723/0xbe0 [ 2654.062220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2654.062220][ T10] ___sys_sendmsg+0xee/0x170 [ 2654.062220][ T10] __sys_sendmsg+0xcd/0x170 [ 2654.062220][ T10] do_syscall_64+0xc6/0x1e0 [ 2654.062220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2654.062220][ T10] [ 2654.063836][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2654.063836][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2654.063836][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2654.063836][ T10] ipv6_find_idev+0x102/0x170 [ 2654.063836][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2654.063836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2654.063836][ T10] netlink_rcv_skb+0x130/0x360 [ 2654.063836][ T10] netlink_unicast+0x449/0x710 [ 2654.063836][ T10] netlink_sendmsg+0x723/0xbe0 [ 2654.063836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2654.063836][ T10] ___sys_sendmsg+0xee/0x170 [ 2654.063836][ T10] __sys_sendmsg+0xcd/0x170 [ 2654.063836][ T10] do_syscall_64+0xc6/0x1e0 [ 2654.063836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2654.063836][ T10] [ 2656.993142][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2656.993563][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2656.993563][ T1167] dst_init+0x84/0x4a0 [ 2656.993563][ T1167] dst_alloc+0x97/0x150 [ 2656.993563][ T1167] ip6_dst_alloc+0x23/0x90 [ 2656.993563][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2656.993563][ T1167] ip6_pol_route+0x56f/0x840 [ 2656.993563][ T1167] fib6_rule_lookup+0x334/0x630 [ 2656.993563][ T1167] ip6_route_output_flags+0x259/0x480 [ 2656.993563][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2656.993563][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2656.993563][ T1167] netlink_rcv_skb+0x130/0x360 [ 2656.993563][ T1167] netlink_unicast+0x449/0x710 [ 2656.993563][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2656.993563][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2656.993563][ T1167] ___sys_sendmsg+0xee/0x170 [ 2656.993563][ T1167] __sys_sendmsg+0xcd/0x170 [ 2656.993563][ T1167] do_syscall_64+0xc6/0x1e0 [ 2656.993563][ T1167] [ 2656.995775][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2656.995775][ T1167] netdev_get_by_index+0x5e/0x80 [ 2656.995775][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2656.995775][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2656.995775][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2656.995775][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2656.995775][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2656.995775][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2656.995775][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2656.995775][ T1167] addrconf_dad_begin+0x310/0x670 [ 2656.995775][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2656.995775][ T1167] process_one_work+0x84d/0x18a0 [ 2656.995775][ T1167] worker_thread+0x587/0xd30 [ 2656.995775][ T1167] kthread+0x28a/0x350 [ 2656.995775][ T1167] ret_from_fork+0x31/0x70 [ 2656.995775][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2656.995775][ T1167] [ 2656.997913][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2656.997913][ T1167] netdev_get_by_index+0x5e/0x80 [ 2656.997913][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2656.997913][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2656.997913][ T1167] ip6_route_add+0x1c/0x140 [ 2656.997913][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2656.997913][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2656.997913][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.997913][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.997913][ T1167] netlink_rcv_skb+0x130/0x360 [ 2656.997913][ T1167] netlink_unicast+0x449/0x710 [ 2656.997913][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2656.997913][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2656.997913][ T1167] ___sys_sendmsg+0xee/0x170 [ 2656.997913][ T1167] __sys_sendmsg+0xcd/0x170 [ 2656.997913][ T1167] do_syscall_64+0xc6/0x1e0 [ 2656.997913][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.997913][ T1167] [ 2657.000154][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2657.000154][ T1167] netdev_get_by_index+0x5e/0x80 [ 2657.000154][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2657.000154][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2657.000154][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2657.000154][ T1167] ipv6_add_addr+0x411/0x2000 [ 2657.000154][ T1167] inet6_addr_add+0x30e/0xa40 [ 2657.000154][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2657.000154][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2657.000154][ T1167] netlink_rcv_skb+0x130/0x360 [ 2657.000154][ T1167] netlink_unicast+0x449/0x710 [ 2657.000154][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2657.000154][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2657.000154][ T1167] ___sys_sendmsg+0xee/0x170 [ 2657.000154][ T1167] __sys_sendmsg+0xcd/0x170 [ 2657.000154][ T1167] do_syscall_64+0xc6/0x1e0 [ 2657.000154][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2657.000154][ T1167] [ 2657.002416][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2657.002416][ T1167] netdev_get_by_index+0x5e/0x80 [ 2657.002416][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2657.002416][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2657.002416][ T1167] ip6_route_add+0x1c/0x140 [ 2657.002416][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2657.002416][ T1167] addrconf_add_dev+0xe2/0x170 [ 2657.002416][ T1167] inet6_addr_add+0x12f/0xa40 [ 2657.002416][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2657.002416][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2657.002416][ T1167] netlink_rcv_skb+0x130/0x360 [ 2657.002416][ T1167] netlink_unicast+0x449/0x710 [ 2657.002416][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2657.002416][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2657.002416][ T1167] ___sys_sendmsg+0xee/0x170 [ 2657.002416][ T1167] __sys_sendmsg+0xcd/0x170 [ 2657.002416][ T1167] do_syscall_64+0xc6/0x1e0 [ 2657.002416][ T1167] [ 2657.004606][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2657.004606][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2657.004606][ T1167] ipv6_find_idev+0x102/0x170 [ 2657.004606][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2657.004606][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2657.004606][ T1167] netlink_rcv_skb+0x130/0x360 [ 2657.004606][ T1167] netlink_unicast+0x449/0x710 [ 2657.004606][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2657.004606][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2657.004606][ T1167] ___sys_sendmsg+0xee/0x170 [ 2657.004606][ T1167] __sys_sendmsg+0xcd/0x170 [ 2657.004606][ T1167] do_syscall_64+0xc6/0x1e0 [ 2657.004606][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2657.004606][ T1167] [ 2657.006357][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2657.006357][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2657.006357][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2657.006357][ T1167] ipv6_find_idev+0x102/0x170 [ 2657.006357][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2657.006357][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2657.006357][ T1167] netlink_rcv_skb+0x130/0x360 [ 2657.006357][ T1167] netlink_unicast+0x449/0x710 [ 2657.006357][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2657.006357][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2657.006357][ T1167] ___sys_sendmsg+0xee/0x170 [ 2657.006357][ T1167] __sys_sendmsg+0xcd/0x170 [ 2657.006357][ T1167] do_syscall_64+0xc6/0x1e0 [ 2657.006357][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2657.006357][ T1167] [ 2664.321088][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2664.321597][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2664.321597][ T10] netdev_get_by_index+0x5e/0x80 [ 2664.321597][ T10] fib6_nh_init+0x3d8/0x1580 [ 2664.321597][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2664.321597][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2664.321597][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2664.321597][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2664.321597][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2664.321597][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2664.321597][ T10] addrconf_dad_begin+0x310/0x670 [ 2664.321597][ T10] addrconf_dad_work+0x10b/0xab0 [ 2664.321597][ T10] process_one_work+0x84d/0x18a0 [ 2664.321597][ T10] worker_thread+0x587/0xd30 [ 2664.321597][ T10] kthread+0x28a/0x350 [ 2664.321597][ T10] ret_from_fork+0x31/0x70 [ 2664.321597][ T10] ret_from_fork_asm+0x1a/0x30 [ 2664.321597][ T10] [ 2664.324616][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2664.324616][ T10] netdev_get_by_index+0x5e/0x80 [ 2664.324616][ T10] fib6_nh_init+0x3d8/0x1580 [ 2664.324616][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2664.324616][ T10] ip6_route_add+0x1c/0x140 [ 2664.324616][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2664.324616][ T10] inet6_addr_add+0x4f8/0xa40 [ 2664.324616][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2664.324616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2664.324616][ T10] netlink_rcv_skb+0x130/0x360 [ 2664.324616][ T10] netlink_unicast+0x449/0x710 [ 2664.324616][ T10] netlink_sendmsg+0x723/0xbe0 [ 2664.324616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2664.324616][ T10] ___sys_sendmsg+0xee/0x170 [ 2664.324616][ T10] __sys_sendmsg+0xcd/0x170 [ 2664.324616][ T10] do_syscall_64+0xc6/0x1e0 [ 2664.324616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2664.324616][ T10] [ 2664.327800][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2664.327800][ T10] netdev_get_by_index+0x5e/0x80 [ 2664.327800][ T10] fib6_nh_init+0x3d8/0x1580 [ 2664.327800][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2664.327800][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2664.327800][ T10] ipv6_add_addr+0x411/0x2000 [ 2664.327800][ T10] inet6_addr_add+0x30e/0xa40 [ 2664.327800][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2664.327800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2664.327800][ T10] netlink_rcv_skb+0x130/0x360 [ 2664.327800][ T10] netlink_unicast+0x449/0x710 [ 2664.327800][ T10] netlink_sendmsg+0x723/0xbe0 [ 2664.327800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2664.327800][ T10] ___sys_sendmsg+0xee/0x170 [ 2664.327800][ T10] __sys_sendmsg+0xcd/0x170 [ 2664.327800][ T10] do_syscall_64+0xc6/0x1e0 [ 2664.327800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2664.327800][ T10] [ 2664.330908][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2664.330908][ T10] netdev_get_by_index+0x5e/0x80 [ 2664.330908][ T10] fib6_nh_init+0x3d8/0x1580 [ 2664.330908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2664.330908][ T10] ip6_route_add+0x1c/0x140 [ 2664.330908][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2664.330908][ T10] addrconf_add_dev+0xe2/0x170 [ 2664.330908][ T10] inet6_addr_add+0x12f/0xa40 [ 2664.330908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2664.330908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2664.330908][ T10] netlink_rcv_skb+0x130/0x360 [ 2664.330908][ T10] netlink_unicast+0x449/0x710 [ 2664.330908][ T10] netlink_sendmsg+0x723/0xbe0 [ 2664.330908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2664.330908][ T10] ___sys_sendmsg+0xee/0x170 [ 2664.330908][ T10] __sys_sendmsg+0xcd/0x170 [ 2664.330908][ T10] do_syscall_64+0xc6/0x1e0 [ 2664.330908][ T10] [ 2664.333997][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2664.333997][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2664.333997][ T10] ipv6_find_idev+0x102/0x170 [ 2664.333997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2664.333997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2664.333997][ T10] netlink_rcv_skb+0x130/0x360 [ 2664.333997][ T10] netlink_unicast+0x449/0x710 [ 2664.333997][ T10] netlink_sendmsg+0x723/0xbe0 [ 2664.333997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2664.333997][ T10] ___sys_sendmsg+0xee/0x170 [ 2664.333997][ T10] __sys_sendmsg+0xcd/0x170 [ 2664.333997][ T10] do_syscall_64+0xc6/0x1e0 [ 2664.333997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2664.333997][ T10] [ 2664.336413][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2664.336413][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2664.336413][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2664.336413][ T10] ipv6_find_idev+0x102/0x170 [ 2664.336413][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2664.336413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2664.336413][ T10] netlink_rcv_skb+0x130/0x360 [ 2664.336413][ T10] netlink_unicast+0x449/0x710 [ 2664.336413][ T10] netlink_sendmsg+0x723/0xbe0 [ 2664.336413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2664.336413][ T10] ___sys_sendmsg+0xee/0x170 [ 2664.336413][ T10] __sys_sendmsg+0xcd/0x170 [ 2664.336413][ T10] do_syscall_64+0xc6/0x1e0 [ 2664.336413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2664.336413][ T10] [ 2664.339024][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2664.339382][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2664.339382][ T10] netdev_get_by_index+0x5e/0x80 [ 2664.339382][ T10] fib6_nh_init+0x3d8/0x1580 [ 2664.339382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2664.339382][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2664.339382][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2664.339382][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2664.339382][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2664.339382][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2664.339382][ T10] addrconf_dad_begin+0x310/0x670 [ 2664.339382][ T10] addrconf_dad_work+0x10b/0xab0 [ 2664.339382][ T10] process_one_work+0x84d/0x18a0 [ 2664.339382][ T10] worker_thread+0x587/0xd30 [ 2664.339382][ T10] kthread+0x28a/0x350 [ 2664.339382][ T10] ret_from_fork+0x31/0x70 [ 2664.339382][ T10] ret_from_fork_asm+0x1a/0x30 [ 2664.339382][ T10] [ 2664.342310][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2664.342310][ T10] netdev_get_by_index+0x5e/0x80 [ 2664.342310][ T10] fib6_nh_init+0x3d8/0x1580 [ 2664.342310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2664.342310][ T10] ip6_route_add+0x1c/0x140 [ 2664.342310][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2664.342310][ T10] inet6_addr_add+0x4f8/0xa40 [ 2664.342310][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2664.342310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2664.342310][ T10] netlink_rcv_skb+0x130/0x360 [ 2664.342310][ T10] netlink_unicast+0x449/0x710 [ 2664.342310][ T10] netlink_sendmsg+0x723/0xbe0 [ 2664.342310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2664.342310][ T10] ___sys_sendmsg+0xee/0x170 [ 2664.342310][ T10] __sys_sendmsg+0xcd/0x170 [ 2664.342310][ T10] do_syscall_64+0xc6/0x1e0 [ 2664.342310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2664.342310][ T10] [ 2664.345276][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2664.345276][ T10] netdev_get_by_index+0x5e/0x80 [ 2664.345276][ T10] fib6_nh_init+0x3d8/0x1580 [ 2664.345276][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2664.345276][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2664.345276][ T10] ipv6_add_addr+0x411/0x2000 [ 2664.345276][ T10] inet6_addr_add+0x30e/0xa40 [ 2664.345276][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2664.345276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2664.345276][ T10] netlink_rcv_skb+0x130/0x360 [ 2664.345276][ T10] netlink_unicast+0x449/0x710 [ 2664.345276][ T10] netlink_sendmsg+0x723/0xbe0 [ 2664.345276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2664.345276][ T10] ___sys_sendmsg+0xee/0x170 [ 2664.345276][ T10] __sys_sendmsg+0xcd/0x170 [ 2664.345276][ T10] do_syscall_64+0xc6/0x1e0 [ 2664.345276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2664.345276][ T10] [ 2664.348452][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2664.348452][ T10] netdev_get_by_index+0x5e/0x80 [ 2664.348452][ T10] fib6_nh_init+0x3d8/0x1580 [ 2664.348452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2664.348452][ T10] ip6_route_add+0x1c/0x140 [ 2664.348452][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2664.348452][ T10] addrconf_add_dev+0xe2/0x170 [ 2664.348452][ T10] inet6_addr_add+0x12f/0xa40 [ 2664.348452][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2664.348452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2664.348452][ T10] netlink_rcv_skb+0x130/0x360 [ 2664.348452][ T10] netlink_unicast+0x449/0x710 [ 2664.348452][ T10] netlink_sendmsg+0x723/0xbe0 [ 2664.348452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2664.348452][ T10] ___sys_sendmsg+0xee/0x170 [ 2664.348452][ T10] __sys_sendmsg+0xcd/0x170 [ 2664.348452][ T10] do_syscall_64+0xc6/0x1e0 [ 2664.348452][ T10] [ 2664.350449][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2664.350449][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2664.350449][ T10] ipv6_find_idev+0x102/0x170 [ 2664.350449][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2664.350449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2664.350449][ T10] netlink_rcv_skb+0x130/0x360 [ 2664.350449][ T10] netlink_unicast+0x449/0x710 [ 2664.350449][ T10] netlink_sendmsg+0x723/0xbe0 [ 2664.350449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2664.350449][ T10] ___sys_sendmsg+0xee/0x170 [ 2664.350449][ T10] __sys_sendmsg+0xcd/0x170 [ 2664.350449][ T10] do_syscall_64+0xc6/0x1e0 [ 2664.350449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2664.350449][ T10] [ 2664.352008][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2664.352008][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2664.352008][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2664.352008][ T10] ipv6_find_idev+0x102/0x170 [ 2664.352008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2664.352008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2664.352008][ T10] netlink_rcv_skb+0x130/0x360 [ 2664.352008][ T10] netlink_unicast+0x449/0x710 [ 2664.352008][ T10] netlink_sendmsg+0x723/0xbe0 [ 2664.352008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2664.352008][ T10] ___sys_sendmsg+0xee/0x170 [ 2664.352008][ T10] __sys_sendmsg+0xcd/0x170 [ 2664.352008][ T10] do_syscall_64+0xc6/0x1e0 [ 2664.352008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2664.352008][ T10] [ 2664.353782][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2664.354041][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2664.354041][ T10] netdev_get_by_index+0x5e/0x80 [ 2664.354041][ T10] fib6_nh_init+0x3d8/0x1580 [ 2664.354041][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2664.354041][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2664.354041][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2664.354041][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2664.354041][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2664.354041][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2664.354041][ T10] addrconf_dad_begin+0x310/0x670 [ 2664.354041][ T10] addrconf_dad_work+0x10b/0xab0 [ 2664.354041][ T10] process_one_work+0x84d/0x18a0 [ 2664.354041][ T10] worker_thread+0x587/0xd30 [ 2664.354041][ T10] kthread+0x28a/0x350 [ 2664.354041][ T10] ret_from_fork+0x31/0x70 [ 2664.354041][ T10] ret_from_fork_asm+0x1a/0x30 [ 2664.354041][ T10] [ 2664.355986][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2664.355986][ T10] netdev_get_by_index+0x5e/0x80 [ 2664.355986][ T10] fib6_nh_init+0x3d8/0x1580 [ 2664.355986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2664.355986][ T10] ip6_route_add+0x1c/0x140 [ 2664.355986][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2664.355986][ T10] inet6_addr_add+0x4f8/0xa40 [ 2664.355986][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2664.355986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2664.355986][ T10] netlink_rcv_skb+0x130/0x360 [ 2664.355986][ T10] netlink_unicast+0x449/0x710 [ 2664.355986][ T10] netlink_sendmsg+0x723/0xbe0 [ 2664.355986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2664.355986][ T10] ___sys_sendmsg+0xee/0x170 [ 2664.355986][ T10] __sys_sendmsg+0xcd/0x170 [ 2664.355986][ T10] do_syscall_64+0xc6/0x1e0 [ 2664.355986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2664.355986][ T10] [ 2664.358309][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2664.358309][ T10] netdev_get_by_index+0x5e/0x80 [ 2664.358309][ T10] fib6_nh_init+0x3d8/0x1580 [ 2664.358309][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2664.358309][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2664.358309][ T10] ipv6_add_addr+0x411/0x2000 [ 2664.358309][ T10] inet6_addr_add+0x30e/0xa40 [ 2664.358309][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2664.358309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2664.358309][ T10] netlink_rcv_skb+0x130/0x360 [ 2664.358309][ T10] netlink_unicast+0x449/0x710 [ 2664.358309][ T10] netlink_sendmsg+0x723/0xbe0 [ 2664.358309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2664.358309][ T10] ___sys_sendmsg+0xee/0x170 [ 2664.358309][ T10] __sys_sendmsg+0xcd/0x170 [ 2664.358309][ T10] do_syscall_64+0xc6/0x1e0 [ 2664.358309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2664.358309][ T10] [ 2664.360590][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2664.360590][ T10] netdev_get_by_index+0x5e/0x80 [ 2664.360590][ T10] fib6_nh_init+0x3d8/0x1580 [ 2664.360590][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2664.360590][ T10] ip6_route_add+0x1c/0x140 [ 2664.360590][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2664.360590][ T10] addrconf_add_dev+0xe2/0x170 [ 2664.360590][ T10] inet6_addr_add+0x12f/0xa40 [ 2664.360590][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2664.360590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2664.360590][ T10] netlink_rcv_skb+0x130/0x360 [ 2664.360590][ T10] netlink_unicast+0x449/0x710 [ 2664.360590][ T10] netlink_sendmsg+0x723/0xbe0 [ 2664.360590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2664.360590][ T10] ___sys_sendmsg+0xee/0x170 [ 2664.360590][ T10] __sys_sendmsg+0xcd/0x170 [ 2664.360590][ T10] do_syscall_64+0xc6/0x1e0 [ 2664.360590][ T10] [ 2664.362887][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2664.362887][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2664.362887][ T10] ipv6_find_idev+0x102/0x170 [ 2664.362887][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2664.362887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2664.362887][ T10] netlink_rcv_skb+0x130/0x360 [ 2664.362887][ T10] netlink_unicast+0x449/0x710 [ 2664.362887][ T10] netlink_sendmsg+0x723/0xbe0 [ 2664.362887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2664.362887][ T10] ___sys_sendmsg+0xee/0x170 [ 2664.362887][ T10] __sys_sendmsg+0xcd/0x170 [ 2664.362887][ T10] do_syscall_64+0xc6/0x1e0 [ 2664.362887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2664.362887][ T10] [ 2664.364742][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2664.364742][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2664.364742][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2664.364742][ T10] ipv6_find_idev+0x102/0x170 [ 2664.364742][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2664.364742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2664.364742][ T10] netlink_rcv_skb+0x130/0x360 [ 2664.364742][ T10] netlink_unicast+0x449/0x710 [ 2664.364742][ T10] netlink_sendmsg+0x723/0xbe0 [ 2664.364742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2664.364742][ T10] ___sys_sendmsg+0xee/0x170 [ 2664.364742][ T10] __sys_sendmsg+0xcd/0x170 [ 2664.364742][ T10] do_syscall_64+0xc6/0x1e0 [ 2664.364742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2664.364742][ T10] [ 2664.366628][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2664.366873][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2664.366873][ T10] netdev_get_by_index+0x5e/0x80 [ 2664.366873][ T10] fib6_nh_init+0x3d8/0x1580 [ 2664.366873][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2664.366873][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2664.366873][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2664.366873][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2664.366873][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2664.366873][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2664.366873][ T10] addrconf_dad_begin+0x310/0x670 [ 2664.366873][ T10] addrconf_dad_work+0x10b/0xab0 [ 2664.366873][ T10] process_one_work+0x84d/0x18a0 [ 2664.366873][ T10] worker_thread+0x587/0xd30 [ 2664.366873][ T10] kthread+0x28a/0x350 [ 2664.366873][ T10] ret_from_fork+0x31/0x70 [ 2664.366873][ T10] ret_from_fork_asm+0x1a/0x30 [ 2664.366873][ T10] [ 2664.369056][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2664.369056][ T10] netdev_get_by_index+0x5e/0x80 [ 2664.369056][ T10] fib6_nh_init+0x3d8/0x1580 [ 2664.369056][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2664.369056][ T10] ip6_route_add+0x1c/0x140 [ 2664.369056][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2664.369056][ T10] inet6_addr_add+0x4f8/0xa40 [ 2664.369056][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2664.369056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2664.369056][ T10] netlink_rcv_skb+0x130/0x360 [ 2664.369056][ T10] netlink_unicast+0x449/0x710 [ 2664.369056][ T10] netlink_sendmsg+0x723/0xbe0 [ 2664.369056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2664.369056][ T10] ___sys_sendmsg+0xee/0x170 [ 2664.369056][ T10] __sys_sendmsg+0xcd/0x170 [ 2664.369056][ T10] do_syscall_64+0xc6/0x1e0 [ 2664.369056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2664.369056][ T10] [ 2664.371359][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2664.371359][ T10] netdev_get_by_index+0x5e/0x80 [ 2664.371359][ T10] fib6_nh_init+0x3d8/0x1580 [ 2664.371359][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2664.371359][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2664.371359][ T10] ipv6_add_addr+0x411/0x2000 [ 2664.371359][ T10] inet6_addr_add+0x30e/0xa40 [ 2664.371359][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2664.371359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2664.371359][ T10] netlink_rcv_skb+0x130/0x360 [ 2664.371359][ T10] netlink_unicast+0x449/0x710 [ 2664.371359][ T10] netlink_sendmsg+0x723/0xbe0 [ 2664.371359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2664.371359][ T10] ___sys_sendmsg+0xee/0x170 [ 2664.371359][ T10] __sys_sendmsg+0xcd/0x170 [ 2664.371359][ T10] do_syscall_64+0xc6/0x1e0 [ 2664.371359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2664.371359][ T10] [ 2664.373604][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2664.373604][ T10] netdev_get_by_index+0x5e/0x80 [ 2664.373604][ T10] fib6_nh_init+0x3d8/0x1580 [ 2664.373604][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2664.373604][ T10] ip6_route_add+0x1c/0x140 [ 2664.373604][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2664.373604][ T10] addrconf_add_dev+0xe2/0x170 [ 2664.373604][ T10] inet6_addr_add+0x12f/0xa40 [ 2664.373604][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2664.373604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2664.373604][ T10] netlink_rcv_skb+0x130/0x360 [ 2664.373604][ T10] netlink_unicast+0x449/0x710 [ 2664.373604][ T10] netlink_sendmsg+0x723/0xbe0 [ 2664.373604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2664.373604][ T10] ___sys_sendmsg+0xee/0x170 [ 2664.373604][ T10] __sys_sendmsg+0xcd/0x170 [ 2664.373604][ T10] do_syscall_64+0xc6/0x1e0 [ 2664.373604][ T10] [ 2664.375757][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2664.375757][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2664.375757][ T10] ipv6_find_idev+0x102/0x170 [ 2664.375757][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2664.375757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2664.375757][ T10] netlink_rcv_skb+0x130/0x360 [ 2664.375757][ T10] netlink_unicast+0x449/0x710 [ 2664.375757][ T10] netlink_sendmsg+0x723/0xbe0 [ 2664.375757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2664.375757][ T10] ___sys_sendmsg+0xee/0x170 [ 2664.375757][ T10] __sys_sendmsg+0xcd/0x170 [ 2664.375757][ T10] do_syscall_64+0xc6/0x1e0 [ 2664.375757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2664.375757][ T10] [ 2664.377480][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2664.377480][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2664.377480][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2664.377480][ T10] ipv6_find_idev+0x102/0x170 [ 2664.377480][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2664.377480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2664.377480][ T10] netlink_rcv_skb+0x130/0x360 [ 2664.377480][ T10] netlink_unicast+0x449/0x710 [ 2664.377480][ T10] netlink_sendmsg+0x723/0xbe0 [ 2664.377480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2664.377480][ T10] ___sys_sendmsg+0xee/0x170 [ 2664.377480][ T10] __sys_sendmsg+0xcd/0x170 [ 2664.377480][ T10] do_syscall_64+0xc6/0x1e0 [ 2664.377480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2664.377480][ T10] [ 2667.017068][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2667.017576][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2667.017576][ T1167] dst_init+0x84/0x4a0 [ 2667.017576][ T1167] dst_alloc+0x97/0x150 [ 2667.017576][ T1167] ip6_dst_alloc+0x23/0x90 [ 2667.017576][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2667.017576][ T1167] ip6_pol_route+0x56f/0x840 [ 2667.017576][ T1167] fib6_rule_lookup+0x334/0x630 [ 2667.017576][ T1167] ip6_route_output_flags+0x259/0x480 [ 2667.017576][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2667.017576][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2667.017576][ T1167] netlink_rcv_skb+0x130/0x360 [ 2667.017576][ T1167] netlink_unicast+0x449/0x710 [ 2667.017576][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2667.017576][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2667.017576][ T1167] ___sys_sendmsg+0xee/0x170 [ 2667.017576][ T1167] __sys_sendmsg+0xcd/0x170 [ 2667.017576][ T1167] do_syscall_64+0xc6/0x1e0 [ 2667.017576][ T1167] [ 2667.019802][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2667.019802][ T1167] netdev_get_by_index+0x5e/0x80 [ 2667.019802][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2667.019802][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2667.019802][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2667.019802][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2667.019802][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2667.019802][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2667.019802][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2667.019802][ T1167] addrconf_dad_begin+0x310/0x670 [ 2667.019802][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2667.019802][ T1167] process_one_work+0x84d/0x18a0 [ 2667.019802][ T1167] worker_thread+0x587/0xd30 [ 2667.019802][ T1167] kthread+0x28a/0x350 [ 2667.019802][ T1167] ret_from_fork+0x31/0x70 [ 2667.019802][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2667.019802][ T1167] [ 2667.021936][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2667.021936][ T1167] netdev_get_by_index+0x5e/0x80 [ 2667.021936][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2667.021936][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2667.021936][ T1167] ip6_route_add+0x1c/0x140 [ 2667.021936][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2667.021936][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2667.021936][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2667.021936][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2667.021936][ T1167] netlink_rcv_skb+0x130/0x360 [ 2667.021936][ T1167] netlink_unicast+0x449/0x710 [ 2667.021936][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2667.021936][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2667.021936][ T1167] ___sys_sendmsg+0xee/0x170 [ 2667.021936][ T1167] __sys_sendmsg+0xcd/0x170 [ 2667.021936][ T1167] do_syscall_64+0xc6/0x1e0 [ 2667.021936][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2667.021936][ T1167] [ 2667.024207][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2667.024207][ T1167] netdev_get_by_index+0x5e/0x80 [ 2667.024207][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2667.024207][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2667.024207][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2667.024207][ T1167] ipv6_add_addr+0x411/0x2000 [ 2667.024207][ T1167] inet6_addr_add+0x30e/0xa40 [ 2667.024207][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2667.024207][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2667.024207][ T1167] netlink_rcv_skb+0x130/0x360 [ 2667.024207][ T1167] netlink_unicast+0x449/0x710 [ 2667.024207][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2667.024207][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2667.024207][ T1167] ___sys_sendmsg+0xee/0x170 [ 2667.024207][ T1167] __sys_sendmsg+0xcd/0x170 [ 2667.024207][ T1167] do_syscall_64+0xc6/0x1e0 [ 2667.024207][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2667.024207][ T1167] [ 2667.026457][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2667.026457][ T1167] netdev_get_by_index+0x5e/0x80 [ 2667.026457][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2667.026457][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2667.026457][ T1167] ip6_route_add+0x1c/0x140 [ 2667.026457][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2667.026457][ T1167] addrconf_add_dev+0xe2/0x170 [ 2667.026457][ T1167] inet6_addr_add+0x12f/0xa40 [ 2667.026457][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2667.026457][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2667.026457][ T1167] netlink_rcv_skb+0x130/0x360 [ 2667.026457][ T1167] netlink_unicast+0x449/0x710 [ 2667.026457][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2667.026457][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2667.026457][ T1167] ___sys_sendmsg+0xee/0x170 [ 2667.026457][ T1167] __sys_sendmsg+0xcd/0x170 [ 2667.026457][ T1167] do_syscall_64+0xc6/0x1e0 [ 2667.026457][ T1167] [ 2667.028660][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2667.028660][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2667.028660][ T1167] ipv6_find_idev+0x102/0x170 [ 2667.028660][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2667.028660][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2667.028660][ T1167] netlink_rcv_skb+0x130/0x360 [ 2667.028660][ T1167] netlink_unicast+0x449/0x710 [ 2667.028660][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2667.028660][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2667.028660][ T1167] ___sys_sendmsg+0xee/0x170 [ 2667.028660][ T1167] __sys_sendmsg+0xcd/0x170 [ 2667.028660][ T1167] do_syscall_64+0xc6/0x1e0 [ 2667.028660][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2667.028660][ T1167] [ 2667.030404][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2667.030404][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2667.030404][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2667.030404][ T1167] ipv6_find_idev+0x102/0x170 [ 2667.030404][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2667.030404][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2667.030404][ T1167] netlink_rcv_skb+0x130/0x360 [ 2667.030404][ T1167] netlink_unicast+0x449/0x710 [ 2667.030404][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2667.030404][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2667.030404][ T1167] ___sys_sendmsg+0xee/0x170 [ 2667.030404][ T1167] __sys_sendmsg+0xcd/0x170 [ 2667.030404][ T1167] do_syscall_64+0xc6/0x1e0 [ 2667.030404][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2667.030404][ T1167] [ 2674.633131][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2674.633578][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2674.633578][ T10] netdev_get_by_index+0x5e/0x80 [ 2674.633578][ T10] fib6_nh_init+0x3d8/0x1580 [ 2674.633578][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2674.633578][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2674.633578][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2674.633578][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2674.633578][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2674.633578][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2674.633578][ T10] addrconf_dad_begin+0x310/0x670 [ 2674.633578][ T10] addrconf_dad_work+0x10b/0xab0 [ 2674.633578][ T10] process_one_work+0x84d/0x18a0 [ 2674.633578][ T10] worker_thread+0x587/0xd30 [ 2674.633578][ T10] kthread+0x28a/0x350 [ 2674.633578][ T10] ret_from_fork+0x31/0x70 [ 2674.633578][ T10] ret_from_fork_asm+0x1a/0x30 [ 2674.633578][ T10] [ 2674.635593][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2674.635593][ T10] netdev_get_by_index+0x5e/0x80 [ 2674.635593][ T10] fib6_nh_init+0x3d8/0x1580 [ 2674.635593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2674.635593][ T10] ip6_route_add+0x1c/0x140 [ 2674.635593][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2674.635593][ T10] inet6_addr_add+0x4f8/0xa40 [ 2674.635593][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2674.635593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2674.635593][ T10] netlink_rcv_skb+0x130/0x360 [ 2674.635593][ T10] netlink_unicast+0x449/0x710 [ 2674.635593][ T10] netlink_sendmsg+0x723/0xbe0 [ 2674.635593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2674.635593][ T10] ___sys_sendmsg+0xee/0x170 [ 2674.635593][ T10] __sys_sendmsg+0xcd/0x170 [ 2674.635593][ T10] do_syscall_64+0xc6/0x1e0 [ 2674.635593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2674.635593][ T10] [ 2674.637636][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2674.637636][ T10] netdev_get_by_index+0x5e/0x80 [ 2674.637636][ T10] fib6_nh_init+0x3d8/0x1580 [ 2674.637636][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2674.637636][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2674.637636][ T10] ipv6_add_addr+0x411/0x2000 [ 2674.637636][ T10] inet6_addr_add+0x30e/0xa40 [ 2674.637636][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2674.637636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2674.637636][ T10] netlink_rcv_skb+0x130/0x360 [ 2674.637636][ T10] netlink_unicast+0x449/0x710 [ 2674.637636][ T10] netlink_sendmsg+0x723/0xbe0 [ 2674.637636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2674.637636][ T10] ___sys_sendmsg+0xee/0x170 [ 2674.637636][ T10] __sys_sendmsg+0xcd/0x170 [ 2674.637636][ T10] do_syscall_64+0xc6/0x1e0 [ 2674.637636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2674.637636][ T10] [ 2674.639660][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2674.639660][ T10] netdev_get_by_index+0x5e/0x80 [ 2674.639660][ T10] fib6_nh_init+0x3d8/0x1580 [ 2674.639660][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2674.639660][ T10] ip6_route_add+0x1c/0x140 [ 2674.639660][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2674.639660][ T10] addrconf_add_dev+0xe2/0x170 [ 2674.639660][ T10] inet6_addr_add+0x12f/0xa40 [ 2674.639660][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2674.639660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2674.639660][ T10] netlink_rcv_skb+0x130/0x360 [ 2674.639660][ T10] netlink_unicast+0x449/0x710 [ 2674.639660][ T10] netlink_sendmsg+0x723/0xbe0 [ 2674.639660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2674.639660][ T10] ___sys_sendmsg+0xee/0x170 [ 2674.639660][ T10] __sys_sendmsg+0xcd/0x170 [ 2674.639660][ T10] do_syscall_64+0xc6/0x1e0 [ 2674.639660][ T10] [ 2674.641636][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2674.641636][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2674.641636][ T10] ipv6_find_idev+0x102/0x170 [ 2674.641636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2674.641636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2674.641636][ T10] netlink_rcv_skb+0x130/0x360 [ 2674.641636][ T10] netlink_unicast+0x449/0x710 [ 2674.641636][ T10] netlink_sendmsg+0x723/0xbe0 [ 2674.641636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2674.641636][ T10] ___sys_sendmsg+0xee/0x170 [ 2674.641636][ T10] __sys_sendmsg+0xcd/0x170 [ 2674.641636][ T10] do_syscall_64+0xc6/0x1e0 [ 2674.641636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2674.641636][ T10] [ 2674.643181][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2674.643181][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2674.643181][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2674.643181][ T10] ipv6_find_idev+0x102/0x170 [ 2674.643181][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2674.643181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2674.643181][ T10] netlink_rcv_skb+0x130/0x360 [ 2674.643181][ T10] netlink_unicast+0x449/0x710 [ 2674.643181][ T10] netlink_sendmsg+0x723/0xbe0 [ 2674.643181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2674.643181][ T10] ___sys_sendmsg+0xee/0x170 [ 2674.643181][ T10] __sys_sendmsg+0xcd/0x170 [ 2674.643181][ T10] do_syscall_64+0xc6/0x1e0 [ 2674.643181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2674.643181][ T10] [ 2674.644881][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2674.645139][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2674.645139][ T10] netdev_get_by_index+0x5e/0x80 [ 2674.645139][ T10] fib6_nh_init+0x3d8/0x1580 [ 2674.645139][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2674.645139][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2674.645139][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2674.645139][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2674.645139][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2674.645139][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2674.645139][ T10] addrconf_dad_begin+0x310/0x670 [ 2674.645139][ T10] addrconf_dad_work+0x10b/0xab0 [ 2674.645139][ T10] process_one_work+0x84d/0x18a0 [ 2674.645139][ T10] worker_thread+0x587/0xd30 [ 2674.645139][ T10] kthread+0x28a/0x350 [ 2674.645139][ T10] ret_from_fork+0x31/0x70 [ 2674.645139][ T10] ret_from_fork_asm+0x1a/0x30 [ 2674.645139][ T10] [ 2674.647062][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2674.647062][ T10] netdev_get_by_index+0x5e/0x80 [ 2674.647062][ T10] fib6_nh_init+0x3d8/0x1580 [ 2674.647062][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2674.647062][ T10] ip6_route_add+0x1c/0x140 [ 2674.647062][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2674.647062][ T10] inet6_addr_add+0x4f8/0xa40 [ 2674.647062][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2674.647062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2674.647062][ T10] netlink_rcv_skb+0x130/0x360 [ 2674.647062][ T10] netlink_unicast+0x449/0x710 [ 2674.647062][ T10] netlink_sendmsg+0x723/0xbe0 [ 2674.647062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2674.647062][ T10] ___sys_sendmsg+0xee/0x170 [ 2674.647062][ T10] __sys_sendmsg+0xcd/0x170 [ 2674.647062][ T10] do_syscall_64+0xc6/0x1e0 [ 2674.647062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2674.647062][ T10] [ 2674.649058][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2674.649058][ T10] netdev_get_by_index+0x5e/0x80 [ 2674.649058][ T10] fib6_nh_init+0x3d8/0x1580 [ 2674.649058][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2674.649058][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2674.649058][ T10] ipv6_add_addr+0x411/0x2000 [ 2674.649058][ T10] inet6_addr_add+0x30e/0xa40 [ 2674.649058][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2674.649058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2674.649058][ T10] netlink_rcv_skb+0x130/0x360 [ 2674.649058][ T10] netlink_unicast+0x449/0x710 [ 2674.649058][ T10] netlink_sendmsg+0x723/0xbe0 [ 2674.649058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2674.649058][ T10] ___sys_sendmsg+0xee/0x170 [ 2674.649058][ T10] __sys_sendmsg+0xcd/0x170 [ 2674.649058][ T10] do_syscall_64+0xc6/0x1e0 [ 2674.649058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2674.649058][ T10] [ 2674.651068][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2674.651068][ T10] netdev_get_by_index+0x5e/0x80 [ 2674.651068][ T10] fib6_nh_init+0x3d8/0x1580 [ 2674.651068][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2674.651068][ T10] ip6_route_add+0x1c/0x140 [ 2674.651068][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2674.651068][ T10] addrconf_add_dev+0xe2/0x170 [ 2674.651068][ T10] inet6_addr_add+0x12f/0xa40 [ 2674.651068][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2674.651068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2674.651068][ T10] netlink_rcv_skb+0x130/0x360 [ 2674.651068][ T10] netlink_unicast+0x449/0x710 [ 2674.651068][ T10] netlink_sendmsg+0x723/0xbe0 [ 2674.651068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2674.651068][ T10] ___sys_sendmsg+0xee/0x170 [ 2674.651068][ T10] __sys_sendmsg+0xcd/0x170 [ 2674.651068][ T10] do_syscall_64+0xc6/0x1e0 [ 2674.651068][ T10] [ 2674.653044][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2674.653044][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2674.653044][ T10] ipv6_find_idev+0x102/0x170 [ 2674.653044][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2674.653044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2674.653044][ T10] netlink_rcv_skb+0x130/0x360 [ 2674.653044][ T10] netlink_unicast+0x449/0x710 [ 2674.653044][ T10] netlink_sendmsg+0x723/0xbe0 [ 2674.653044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2674.653044][ T10] ___sys_sendmsg+0xee/0x170 [ 2674.653044][ T10] __sys_sendmsg+0xcd/0x170 [ 2674.653044][ T10] do_syscall_64+0xc6/0x1e0 [ 2674.653044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2674.653044][ T10] [ 2674.654593][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2674.654593][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2674.654593][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2674.654593][ T10] ipv6_find_idev+0x102/0x170 [ 2674.654593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2674.654593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2674.654593][ T10] netlink_rcv_skb+0x130/0x360 [ 2674.654593][ T10] netlink_unicast+0x449/0x710 [ 2674.654593][ T10] netlink_sendmsg+0x723/0xbe0 [ 2674.654593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2674.654593][ T10] ___sys_sendmsg+0xee/0x170 [ 2674.654593][ T10] __sys_sendmsg+0xcd/0x170 [ 2674.654593][ T10] do_syscall_64+0xc6/0x1e0 [ 2674.654593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2674.654593][ T10] [ 2674.656302][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2674.656546][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2674.656546][ T10] netdev_get_by_index+0x5e/0x80 [ 2674.656546][ T10] fib6_nh_init+0x3d8/0x1580 [ 2674.656546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2674.656546][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2674.656546][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2674.656546][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2674.656546][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2674.656546][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2674.656546][ T10] addrconf_dad_begin+0x310/0x670 [ 2674.656546][ T10] addrconf_dad_work+0x10b/0xab0 [ 2674.656546][ T10] process_one_work+0x84d/0x18a0 [ 2674.656546][ T10] worker_thread+0x587/0xd30 [ 2674.656546][ T10] kthread+0x28a/0x350 [ 2674.656546][ T10] ret_from_fork+0x31/0x70 [ 2674.656546][ T10] ret_from_fork_asm+0x1a/0x30 [ 2674.656546][ T10] [ 2674.658469][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2674.658469][ T10] netdev_get_by_index+0x5e/0x80 [ 2674.658469][ T10] fib6_nh_init+0x3d8/0x1580 [ 2674.658469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2674.658469][ T10] ip6_route_add+0x1c/0x140 [ 2674.658469][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2674.658469][ T10] inet6_addr_add+0x4f8/0xa40 [ 2674.658469][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2674.658469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2674.658469][ T10] netlink_rcv_skb+0x130/0x360 [ 2674.658469][ T10] netlink_unicast+0x449/0x710 [ 2674.658469][ T10] netlink_sendmsg+0x723/0xbe0 [ 2674.658469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2674.658469][ T10] ___sys_sendmsg+0xee/0x170 [ 2674.658469][ T10] __sys_sendmsg+0xcd/0x170 [ 2674.658469][ T10] do_syscall_64+0xc6/0x1e0 [ 2674.658469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2674.658469][ T10] [ 2674.660598][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2674.660598][ T10] netdev_get_by_index+0x5e/0x80 [ 2674.660598][ T10] fib6_nh_init+0x3d8/0x1580 [ 2674.660598][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2674.660598][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2674.660598][ T10] ipv6_add_addr+0x411/0x2000 [ 2674.660598][ T10] inet6_addr_add+0x30e/0xa40 [ 2674.660598][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2674.660598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2674.660598][ T10] netlink_rcv_skb+0x130/0x360 [ 2674.660598][ T10] netlink_unicast+0x449/0x710 [ 2674.660598][ T10] netlink_sendmsg+0x723/0xbe0 [ 2674.660598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2674.660598][ T10] ___sys_sendmsg+0xee/0x170 [ 2674.660598][ T10] __sys_sendmsg+0xcd/0x170 [ 2674.660598][ T10] do_syscall_64+0xc6/0x1e0 [ 2674.660598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2674.660598][ T10] [ 2674.662734][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2674.662734][ T10] netdev_get_by_index+0x5e/0x80 [ 2674.662734][ T10] fib6_nh_init+0x3d8/0x1580 [ 2674.662734][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2674.662734][ T10] ip6_route_add+0x1c/0x140 [ 2674.662734][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2674.662734][ T10] addrconf_add_dev+0xe2/0x170 [ 2674.662734][ T10] inet6_addr_add+0x12f/0xa40 [ 2674.662734][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2674.662734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2674.662734][ T10] netlink_rcv_skb+0x130/0x360 [ 2674.662734][ T10] netlink_unicast+0x449/0x710 [ 2674.662734][ T10] netlink_sendmsg+0x723/0xbe0 [ 2674.662734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2674.662734][ T10] ___sys_sendmsg+0xee/0x170 [ 2674.662734][ T10] __sys_sendmsg+0xcd/0x170 [ 2674.662734][ T10] do_syscall_64+0xc6/0x1e0 [ 2674.662734][ T10] [ 2674.664831][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2674.664831][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2674.664831][ T10] ipv6_find_idev+0x102/0x170 [ 2674.664831][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2674.664831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2674.664831][ T10] netlink_rcv_skb+0x130/0x360 [ 2674.664831][ T10] netlink_unicast+0x449/0x710 [ 2674.664831][ T10] netlink_sendmsg+0x723/0xbe0 [ 2674.664831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2674.664831][ T10] ___sys_sendmsg+0xee/0x170 [ 2674.664831][ T10] __sys_sendmsg+0xcd/0x170 [ 2674.664831][ T10] do_syscall_64+0xc6/0x1e0 [ 2674.664831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2674.664831][ T10] [ 2674.666508][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2674.666508][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2674.666508][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2674.666508][ T10] ipv6_find_idev+0x102/0x170 [ 2674.666508][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2674.666508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2674.666508][ T10] netlink_rcv_skb+0x130/0x360 [ 2674.666508][ T10] netlink_unicast+0x449/0x710 [ 2674.666508][ T10] netlink_sendmsg+0x723/0xbe0 [ 2674.666508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2674.666508][ T10] ___sys_sendmsg+0xee/0x170 [ 2674.666508][ T10] __sys_sendmsg+0xcd/0x170 [ 2674.666508][ T10] do_syscall_64+0xc6/0x1e0 [ 2674.666508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2674.666508][ T10] [ 2674.668263][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2674.668511][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2674.668511][ T10] netdev_get_by_index+0x5e/0x80 [ 2674.668511][ T10] fib6_nh_init+0x3d8/0x1580 [ 2674.668511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2674.668511][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2674.668511][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2674.668511][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2674.668511][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2674.668511][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2674.668511][ T10] addrconf_dad_begin+0x310/0x670 [ 2674.668511][ T10] addrconf_dad_work+0x10b/0xab0 [ 2674.668511][ T10] process_one_work+0x84d/0x18a0 [ 2674.668511][ T10] worker_thread+0x587/0xd30 [ 2674.668511][ T10] kthread+0x28a/0x350 [ 2674.668511][ T10] ret_from_fork+0x31/0x70 [ 2674.668511][ T10] ret_from_fork_asm+0x1a/0x30 [ 2674.668511][ T10] [ 2674.670555][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2674.670555][ T10] netdev_get_by_index+0x5e/0x80 [ 2674.670555][ T10] fib6_nh_init+0x3d8/0x1580 [ 2674.670555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2674.670555][ T10] ip6_route_add+0x1c/0x140 [ 2674.670555][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2674.670555][ T10] inet6_addr_add+0x4f8/0xa40 [ 2674.670555][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2674.670555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2674.670555][ T10] netlink_rcv_skb+0x130/0x360 [ 2674.670555][ T10] netlink_unicast+0x449/0x710 [ 2674.670555][ T10] netlink_sendmsg+0x723/0xbe0 [ 2674.670555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2674.670555][ T10] ___sys_sendmsg+0xee/0x170 [ 2674.670555][ T10] __sys_sendmsg+0xcd/0x170 [ 2674.670555][ T10] do_syscall_64+0xc6/0x1e0 [ 2674.670555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2674.670555][ T10] [ 2674.672684][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2674.672684][ T10] netdev_get_by_index+0x5e/0x80 [ 2674.672684][ T10] fib6_nh_init+0x3d8/0x1580 [ 2674.672684][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2674.672684][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2674.672684][ T10] ipv6_add_addr+0x411/0x2000 [ 2674.672684][ T10] inet6_addr_add+0x30e/0xa40 [ 2674.672684][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2674.672684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2674.672684][ T10] netlink_rcv_skb+0x130/0x360 [ 2674.672684][ T10] netlink_unicast+0x449/0x710 [ 2674.672684][ T10] netlink_sendmsg+0x723/0xbe0 [ 2674.672684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2674.672684][ T10] ___sys_sendmsg+0xee/0x170 [ 2674.672684][ T10] __sys_sendmsg+0xcd/0x170 [ 2674.672684][ T10] do_syscall_64+0xc6/0x1e0 [ 2674.672684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2674.672684][ T10] [ 2674.674810][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2674.674810][ T10] netdev_get_by_index+0x5e/0x80 [ 2674.674810][ T10] fib6_nh_init+0x3d8/0x1580 [ 2674.674810][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2674.674810][ T10] ip6_route_add+0x1c/0x140 [ 2674.674810][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2674.674810][ T10] addrconf_add_dev+0xe2/0x170 [ 2674.674810][ T10] inet6_addr_add+0x12f/0xa40 [ 2674.674810][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2674.674810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2674.674810][ T10] netlink_rcv_skb+0x130/0x360 [ 2674.674810][ T10] netlink_unicast+0x449/0x710 [ 2674.674810][ T10] netlink_sendmsg+0x723/0xbe0 [ 2674.674810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2674.674810][ T10] ___sys_sendmsg+0xee/0x170 [ 2674.674810][ T10] __sys_sendmsg+0xcd/0x170 [ 2674.674810][ T10] do_syscall_64+0xc6/0x1e0 [ 2674.674810][ T10] [ 2674.676917][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2674.676917][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2674.676917][ T10] ipv6_find_idev+0x102/0x170 [ 2674.676917][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2674.676917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2674.676917][ T10] netlink_rcv_skb+0x130/0x360 [ 2674.676917][ T10] netlink_unicast+0x449/0x710 [ 2674.676917][ T10] netlink_sendmsg+0x723/0xbe0 [ 2674.676917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2674.676917][ T10] ___sys_sendmsg+0xee/0x170 [ 2674.676917][ T10] __sys_sendmsg+0xcd/0x170 [ 2674.676917][ T10] do_syscall_64+0xc6/0x1e0 [ 2674.676917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2674.676917][ T10] [ 2674.678518][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2674.678518][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2674.678518][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2674.678518][ T10] ipv6_find_idev+0x102/0x170 [ 2674.678518][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2674.678518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2674.678518][ T10] netlink_rcv_skb+0x130/0x360 [ 2674.678518][ T10] netlink_unicast+0x449/0x710 [ 2674.678518][ T10] netlink_sendmsg+0x723/0xbe0 [ 2674.678518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2674.678518][ T10] ___sys_sendmsg+0xee/0x170 [ 2674.678518][ T10] __sys_sendmsg+0xcd/0x170 [ 2674.678518][ T10] do_syscall_64+0xc6/0x1e0 [ 2674.678518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2674.678518][ T10] [ 2677.281051][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2677.281468][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2677.281468][ T1167] dst_init+0x84/0x4a0 [ 2677.281468][ T1167] dst_alloc+0x97/0x150 [ 2677.281468][ T1167] ip6_dst_alloc+0x23/0x90 [ 2677.281468][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2677.281468][ T1167] ip6_pol_route+0x56f/0x840 [ 2677.281468][ T1167] fib6_rule_lookup+0x334/0x630 [ 2677.281468][ T1167] ip6_route_output_flags+0x259/0x480 [ 2677.281468][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2677.281468][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2677.281468][ T1167] netlink_rcv_skb+0x130/0x360 [ 2677.281468][ T1167] netlink_unicast+0x449/0x710 [ 2677.281468][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2677.281468][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2677.281468][ T1167] ___sys_sendmsg+0xee/0x170 [ 2677.281468][ T1167] __sys_sendmsg+0xcd/0x170 [ 2677.281468][ T1167] do_syscall_64+0xc6/0x1e0 [ 2677.281468][ T1167] [ 2677.283654][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2677.283654][ T1167] netdev_get_by_index+0x5e/0x80 [ 2677.283654][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2677.283654][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2677.283654][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2677.283654][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2677.283654][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2677.283654][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2677.283654][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2677.283654][ T1167] addrconf_dad_begin+0x310/0x670 [ 2677.283654][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2677.283654][ T1167] process_one_work+0x84d/0x18a0 [ 2677.283654][ T1167] worker_thread+0x587/0xd30 [ 2677.283654][ T1167] kthread+0x28a/0x350 [ 2677.283654][ T1167] ret_from_fork+0x31/0x70 [ 2677.283654][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2677.283654][ T1167] [ 2677.285806][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2677.285806][ T1167] netdev_get_by_index+0x5e/0x80 [ 2677.285806][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2677.285806][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2677.285806][ T1167] ip6_route_add+0x1c/0x140 [ 2677.285806][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2677.285806][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2677.285806][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2677.285806][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2677.285806][ T1167] netlink_rcv_skb+0x130/0x360 [ 2677.285806][ T1167] netlink_unicast+0x449/0x710 [ 2677.285806][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2677.285806][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2677.285806][ T1167] ___sys_sendmsg+0xee/0x170 [ 2677.285806][ T1167] __sys_sendmsg+0xcd/0x170 [ 2677.285806][ T1167] do_syscall_64+0xc6/0x1e0 [ 2677.285806][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2677.285806][ T1167] [ 2677.288038][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2677.288038][ T1167] netdev_get_by_index+0x5e/0x80 [ 2677.288038][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2677.288038][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2677.288038][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2677.288038][ T1167] ipv6_add_addr+0x411/0x2000 [ 2677.288038][ T1167] inet6_addr_add+0x30e/0xa40 [ 2677.288038][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2677.288038][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2677.288038][ T1167] netlink_rcv_skb+0x130/0x360 [ 2677.288038][ T1167] netlink_unicast+0x449/0x710 [ 2677.288038][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2677.288038][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2677.288038][ T1167] ___sys_sendmsg+0xee/0x170 [ 2677.288038][ T1167] __sys_sendmsg+0xcd/0x170 [ 2677.288038][ T1167] do_syscall_64+0xc6/0x1e0 [ 2677.288038][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2677.288038][ T1167] [ 2677.290268][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2677.290268][ T1167] netdev_get_by_index+0x5e/0x80 [ 2677.290268][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2677.290268][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2677.290268][ T1167] ip6_route_add+0x1c/0x140 [ 2677.290268][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2677.290268][ T1167] addrconf_add_dev+0xe2/0x170 [ 2677.290268][ T1167] inet6_addr_add+0x12f/0xa40 [ 2677.290268][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2677.290268][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2677.290268][ T1167] netlink_rcv_skb+0x130/0x360 [ 2677.290268][ T1167] netlink_unicast+0x449/0x710 [ 2677.290268][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2677.290268][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2677.290268][ T1167] ___sys_sendmsg+0xee/0x170 [ 2677.290268][ T1167] __sys_sendmsg+0xcd/0x170 [ 2677.290268][ T1167] do_syscall_64+0xc6/0x1e0 [ 2677.290268][ T1167] [ 2677.292456][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2677.292456][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2677.292456][ T1167] ipv6_find_idev+0x102/0x170 [ 2677.292456][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2677.292456][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2677.292456][ T1167] netlink_rcv_skb+0x130/0x360 [ 2677.292456][ T1167] netlink_unicast+0x449/0x710 [ 2677.292456][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2677.292456][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2677.292456][ T1167] ___sys_sendmsg+0xee/0x170 [ 2677.292456][ T1167] __sys_sendmsg+0xcd/0x170 [ 2677.292456][ T1167] do_syscall_64+0xc6/0x1e0 [ 2677.292456][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2677.292456][ T1167] [ 2677.294179][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2677.294179][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2677.294179][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2677.294179][ T1167] ipv6_find_idev+0x102/0x170 [ 2677.294179][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2677.294179][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2677.294179][ T1167] netlink_rcv_skb+0x130/0x360 [ 2677.294179][ T1167] netlink_unicast+0x449/0x710 [ 2677.294179][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2677.294179][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2677.294179][ T1167] ___sys_sendmsg+0xee/0x170 [ 2677.294179][ T1167] __sys_sendmsg+0xcd/0x170 [ 2677.294179][ T1167] do_syscall_64+0xc6/0x1e0 [ 2677.294179][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2677.294179][ T1167] [ 2684.681100][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2684.681722][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2684.681722][ T10] netdev_get_by_index+0x5e/0x80 [ 2684.681722][ T10] fib6_nh_init+0x3d8/0x1580 [ 2684.681722][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2684.681722][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2684.681722][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2684.681722][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2684.681722][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2684.681722][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2684.681722][ T10] addrconf_dad_begin+0x310/0x670 [ 2684.681722][ T10] addrconf_dad_work+0x10b/0xab0 [ 2684.681722][ T10] process_one_work+0x84d/0x18a0 [ 2684.681722][ T10] worker_thread+0x587/0xd30 [ 2684.681722][ T10] kthread+0x28a/0x350 [ 2684.681722][ T10] ret_from_fork+0x31/0x70 [ 2684.681722][ T10] ret_from_fork_asm+0x1a/0x30 [ 2684.681722][ T10] [ 2684.684611][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2684.684611][ T10] netdev_get_by_index+0x5e/0x80 [ 2684.684611][ T10] fib6_nh_init+0x3d8/0x1580 [ 2684.684611][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2684.684611][ T10] ip6_route_add+0x1c/0x140 [ 2684.684611][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2684.684611][ T10] inet6_addr_add+0x4f8/0xa40 [ 2684.684611][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2684.684611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2684.684611][ T10] netlink_rcv_skb+0x130/0x360 [ 2684.684611][ T10] netlink_unicast+0x449/0x710 [ 2684.684611][ T10] netlink_sendmsg+0x723/0xbe0 [ 2684.684611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2684.684611][ T10] ___sys_sendmsg+0xee/0x170 [ 2684.684611][ T10] __sys_sendmsg+0xcd/0x170 [ 2684.684611][ T10] do_syscall_64+0xc6/0x1e0 [ 2684.684611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2684.684611][ T10] [ 2684.687717][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2684.687717][ T10] netdev_get_by_index+0x5e/0x80 [ 2684.687717][ T10] fib6_nh_init+0x3d8/0x1580 [ 2684.687717][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2684.687717][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2684.687717][ T10] ipv6_add_addr+0x411/0x2000 [ 2684.687717][ T10] inet6_addr_add+0x30e/0xa40 [ 2684.687717][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2684.687717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2684.687717][ T10] netlink_rcv_skb+0x130/0x360 [ 2684.687717][ T10] netlink_unicast+0x449/0x710 [ 2684.687717][ T10] netlink_sendmsg+0x723/0xbe0 [ 2684.687717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2684.687717][ T10] ___sys_sendmsg+0xee/0x170 [ 2684.687717][ T10] __sys_sendmsg+0xcd/0x170 [ 2684.687717][ T10] do_syscall_64+0xc6/0x1e0 [ 2684.687717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2684.687717][ T10] [ 2684.690837][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2684.690837][ T10] netdev_get_by_index+0x5e/0x80 [ 2684.690837][ T10] fib6_nh_init+0x3d8/0x1580 [ 2684.690837][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2684.690837][ T10] ip6_route_add+0x1c/0x140 [ 2684.690837][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2684.690837][ T10] addrconf_add_dev+0xe2/0x170 [ 2684.690837][ T10] inet6_addr_add+0x12f/0xa40 [ 2684.690837][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2684.690837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2684.690837][ T10] netlink_rcv_skb+0x130/0x360 [ 2684.690837][ T10] netlink_unicast+0x449/0x710 [ 2684.690837][ T10] netlink_sendmsg+0x723/0xbe0 [ 2684.690837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2684.690837][ T10] ___sys_sendmsg+0xee/0x170 [ 2684.690837][ T10] __sys_sendmsg+0xcd/0x170 [ 2684.690837][ T10] do_syscall_64+0xc6/0x1e0 [ 2684.690837][ T10] [ 2684.693895][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2684.693895][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2684.693895][ T10] ipv6_find_idev+0x102/0x170 [ 2684.693895][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2684.693895][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2684.693895][ T10] netlink_rcv_skb+0x130/0x360 [ 2684.693895][ T10] netlink_unicast+0x449/0x710 [ 2684.693895][ T10] netlink_sendmsg+0x723/0xbe0 [ 2684.693895][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2684.693895][ T10] ___sys_sendmsg+0xee/0x170 [ 2684.693895][ T10] __sys_sendmsg+0xcd/0x170 [ 2684.693895][ T10] do_syscall_64+0xc6/0x1e0 [ 2684.693895][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2684.693895][ T10] [ 2684.696305][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2684.696305][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2684.696305][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2684.696305][ T10] ipv6_find_idev+0x102/0x170 [ 2684.696305][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2684.696305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2684.696305][ T10] netlink_rcv_skb+0x130/0x360 [ 2684.696305][ T10] netlink_unicast+0x449/0x710 [ 2684.696305][ T10] netlink_sendmsg+0x723/0xbe0 [ 2684.696305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2684.696305][ T10] ___sys_sendmsg+0xee/0x170 [ 2684.696305][ T10] __sys_sendmsg+0xcd/0x170 [ 2684.696305][ T10] do_syscall_64+0xc6/0x1e0 [ 2684.696305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2684.696305][ T10] [ 2684.698884][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2684.699261][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2684.699261][ T10] netdev_get_by_index+0x5e/0x80 [ 2684.699261][ T10] fib6_nh_init+0x3d8/0x1580 [ 2684.699261][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2684.699261][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2684.699261][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2684.699261][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2684.699261][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2684.699261][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2684.699261][ T10] addrconf_dad_begin+0x310/0x670 [ 2684.699261][ T10] addrconf_dad_work+0x10b/0xab0 [ 2684.699261][ T10] process_one_work+0x84d/0x18a0 [ 2684.699261][ T10] worker_thread+0x587/0xd30 [ 2684.699261][ T10] kthread+0x28a/0x350 [ 2684.699261][ T10] ret_from_fork+0x31/0x70 [ 2684.699261][ T10] ret_from_fork_asm+0x1a/0x30 [ 2684.699261][ T10] [ 2684.702076][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2684.702076][ T10] netdev_get_by_index+0x5e/0x80 [ 2684.702076][ T10] fib6_nh_init+0x3d8/0x1580 [ 2684.702076][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2684.702076][ T10] ip6_route_add+0x1c/0x140 [ 2684.702076][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2684.702076][ T10] inet6_addr_add+0x4f8/0xa40 [ 2684.702076][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2684.702076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2684.702076][ T10] netlink_rcv_skb+0x130/0x360 [ 2684.702076][ T10] netlink_unicast+0x449/0x710 [ 2684.702076][ T10] netlink_sendmsg+0x723/0xbe0 [ 2684.702076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2684.702076][ T10] ___sys_sendmsg+0xee/0x170 [ 2684.702076][ T10] __sys_sendmsg+0xcd/0x170 [ 2684.702076][ T10] do_syscall_64+0xc6/0x1e0 [ 2684.702076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2684.702076][ T10] [ 2684.705158][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2684.705158][ T10] netdev_get_by_index+0x5e/0x80 [ 2684.705158][ T10] fib6_nh_init+0x3d8/0x1580 [ 2684.705158][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2684.705158][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2684.705158][ T10] ipv6_add_addr+0x411/0x2000 [ 2684.705158][ T10] inet6_addr_add+0x30e/0xa40 [ 2684.705158][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2684.705158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2684.705158][ T10] netlink_rcv_skb+0x130/0x360 [ 2684.705158][ T10] netlink_unicast+0x449/0x710 [ 2684.705158][ T10] netlink_sendmsg+0x723/0xbe0 [ 2684.705158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2684.705158][ T10] ___sys_sendmsg+0xee/0x170 [ 2684.705158][ T10] __sys_sendmsg+0xcd/0x170 [ 2684.705158][ T10] do_syscall_64+0xc6/0x1e0 [ 2684.705158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2684.705158][ T10] [ 2684.708265][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2684.708265][ T10] netdev_get_by_index+0x5e/0x80 [ 2684.708265][ T10] fib6_nh_init+0x3d8/0x1580 [ 2684.708265][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2684.708265][ T10] ip6_route_add+0x1c/0x140 [ 2684.708265][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2684.708265][ T10] addrconf_add_dev+0xe2/0x170 [ 2684.708265][ T10] inet6_addr_add+0x12f/0xa40 [ 2684.708265][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2684.708265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2684.708265][ T10] netlink_rcv_skb+0x130/0x360 [ 2684.708265][ T10] netlink_unicast+0x449/0x710 [ 2684.708265][ T10] netlink_sendmsg+0x723/0xbe0 [ 2684.708265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2684.708265][ T10] ___sys_sendmsg+0xee/0x170 [ 2684.708265][ T10] __sys_sendmsg+0xcd/0x170 [ 2684.708265][ T10] do_syscall_64+0xc6/0x1e0 [ 2684.708265][ T10] [ 2684.711302][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2684.711302][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2684.711302][ T10] ipv6_find_idev+0x102/0x170 [ 2684.711302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2684.711302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2684.711302][ T10] netlink_rcv_skb+0x130/0x360 [ 2684.711302][ T10] netlink_unicast+0x449/0x710 [ 2684.711302][ T10] netlink_sendmsg+0x723/0xbe0 [ 2684.711302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2684.711302][ T10] ___sys_sendmsg+0xee/0x170 [ 2684.711302][ T10] __sys_sendmsg+0xcd/0x170 [ 2684.711302][ T10] do_syscall_64+0xc6/0x1e0 [ 2684.711302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2684.711302][ T10] [ 2684.713735][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2684.713735][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2684.713735][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2684.713735][ T10] ipv6_find_idev+0x102/0x170 [ 2684.713735][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2684.713735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2684.713735][ T10] netlink_rcv_skb+0x130/0x360 [ 2684.713735][ T10] netlink_unicast+0x449/0x710 [ 2684.713735][ T10] netlink_sendmsg+0x723/0xbe0 [ 2684.713735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2684.713735][ T10] ___sys_sendmsg+0xee/0x170 [ 2684.713735][ T10] __sys_sendmsg+0xcd/0x170 [ 2684.713735][ T10] do_syscall_64+0xc6/0x1e0 [ 2684.713735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2684.713735][ T10] [ 2684.716378][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2684.716766][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2684.716766][ T10] netdev_get_by_index+0x5e/0x80 [ 2684.716766][ T10] fib6_nh_init+0x3d8/0x1580 [ 2684.716766][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2684.716766][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2684.716766][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2684.716766][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2684.716766][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2684.716766][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2684.716766][ T10] addrconf_dad_begin+0x310/0x670 [ 2684.716766][ T10] addrconf_dad_work+0x10b/0xab0 [ 2684.716766][ T10] process_one_work+0x84d/0x18a0 [ 2684.716766][ T10] worker_thread+0x587/0xd30 [ 2684.716766][ T10] kthread+0x28a/0x350 [ 2684.716766][ T10] ret_from_fork+0x31/0x70 [ 2684.716766][ T10] ret_from_fork_asm+0x1a/0x30 [ 2684.716766][ T10] [ 2684.719731][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2684.719731][ T10] netdev_get_by_index+0x5e/0x80 [ 2684.719731][ T10] fib6_nh_init+0x3d8/0x1580 [ 2684.719731][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2684.719731][ T10] ip6_route_add+0x1c/0x140 [ 2684.719731][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2684.719731][ T10] inet6_addr_add+0x4f8/0xa40 [ 2684.719731][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2684.719731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2684.719731][ T10] netlink_rcv_skb+0x130/0x360 [ 2684.719731][ T10] netlink_unicast+0x449/0x710 [ 2684.719731][ T10] netlink_sendmsg+0x723/0xbe0 [ 2684.719731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2684.719731][ T10] ___sys_sendmsg+0xee/0x170 [ 2684.719731][ T10] __sys_sendmsg+0xcd/0x170 [ 2684.719731][ T10] do_syscall_64+0xc6/0x1e0 [ 2684.719731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2684.719731][ T10] [ 2684.723040][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2684.723040][ T10] netdev_get_by_index+0x5e/0x80 [ 2684.723040][ T10] fib6_nh_init+0x3d8/0x1580 [ 2684.723040][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2684.723040][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2684.723040][ T10] ipv6_add_addr+0x411/0x2000 [ 2684.723040][ T10] inet6_addr_add+0x30e/0xa40 [ 2684.723040][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2684.723040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2684.723040][ T10] netlink_rcv_skb+0x130/0x360 [ 2684.723040][ T10] netlink_unicast+0x449/0x710 [ 2684.723040][ T10] netlink_sendmsg+0x723/0xbe0 [ 2684.723040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2684.723040][ T10] ___sys_sendmsg+0xee/0x170 [ 2684.723040][ T10] __sys_sendmsg+0xcd/0x170 [ 2684.723040][ T10] do_syscall_64+0xc6/0x1e0 [ 2684.723040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2684.723040][ T10] [ 2684.726322][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2684.726322][ T10] netdev_get_by_index+0x5e/0x80 [ 2684.726322][ T10] fib6_nh_init+0x3d8/0x1580 [ 2684.726322][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2684.726322][ T10] ip6_route_add+0x1c/0x140 [ 2684.726322][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2684.726322][ T10] addrconf_add_dev+0xe2/0x170 [ 2684.726322][ T10] inet6_addr_add+0x12f/0xa40 [ 2684.726322][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2684.726322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2684.726322][ T10] netlink_rcv_skb+0x130/0x360 [ 2684.726322][ T10] netlink_unicast+0x449/0x710 [ 2684.726322][ T10] netlink_sendmsg+0x723/0xbe0 [ 2684.726322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2684.726322][ T10] ___sys_sendmsg+0xee/0x170 [ 2684.726322][ T10] __sys_sendmsg+0xcd/0x170 [ 2684.726322][ T10] do_syscall_64+0xc6/0x1e0 [ 2684.726322][ T10] [ 2684.729566][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2684.729566][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2684.729566][ T10] ipv6_find_idev+0x102/0x170 [ 2684.729566][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2684.729566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2684.729566][ T10] netlink_rcv_skb+0x130/0x360 [ 2684.729566][ T10] netlink_unicast+0x449/0x710 [ 2684.729566][ T10] netlink_sendmsg+0x723/0xbe0 [ 2684.729566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2684.729566][ T10] ___sys_sendmsg+0xee/0x170 [ 2684.729566][ T10] __sys_sendmsg+0xcd/0x170 [ 2684.729566][ T10] do_syscall_64+0xc6/0x1e0 [ 2684.729566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2684.729566][ T10] [ 2684.731957][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2684.731957][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2684.731957][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2684.731957][ T10] ipv6_find_idev+0x102/0x170 [ 2684.731957][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2684.731957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2684.731957][ T10] netlink_rcv_skb+0x130/0x360 [ 2684.731957][ T10] netlink_unicast+0x449/0x710 [ 2684.731957][ T10] netlink_sendmsg+0x723/0xbe0 [ 2684.731957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2684.731957][ T10] ___sys_sendmsg+0xee/0x170 [ 2684.731957][ T10] __sys_sendmsg+0xcd/0x170 [ 2684.731957][ T10] do_syscall_64+0xc6/0x1e0 [ 2684.731957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2684.731957][ T10] [ 2684.734810][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2684.736030][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2684.736030][ T10] netdev_get_by_index+0x5e/0x80 [ 2684.736030][ T10] fib6_nh_init+0x3d8/0x1580 [ 2684.736030][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2684.736030][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2684.736030][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2684.736030][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2684.736030][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2684.736030][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2684.736030][ T10] addrconf_dad_begin+0x310/0x670 [ 2684.736030][ T10] addrconf_dad_work+0x10b/0xab0 [ 2684.736030][ T10] process_one_work+0x84d/0x18a0 [ 2684.736030][ T10] worker_thread+0x587/0xd30 [ 2684.736030][ T10] kthread+0x28a/0x350 [ 2684.736030][ T10] ret_from_fork+0x31/0x70 [ 2684.736030][ T10] ret_from_fork_asm+0x1a/0x30 [ 2684.736030][ T10] [ 2684.738976][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2684.738976][ T10] netdev_get_by_index+0x5e/0x80 [ 2684.738976][ T10] fib6_nh_init+0x3d8/0x1580 [ 2684.738976][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2684.738976][ T10] ip6_route_add+0x1c/0x140 [ 2684.738976][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2684.738976][ T10] inet6_addr_add+0x4f8/0xa40 [ 2684.738976][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2684.738976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2684.738976][ T10] netlink_rcv_skb+0x130/0x360 [ 2684.738976][ T10] netlink_unicast+0x449/0x710 [ 2684.738976][ T10] netlink_sendmsg+0x723/0xbe0 [ 2684.738976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2684.738976][ T10] ___sys_sendmsg+0xee/0x170 [ 2684.738976][ T10] __sys_sendmsg+0xcd/0x170 [ 2684.738976][ T10] do_syscall_64+0xc6/0x1e0 [ 2684.738976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2684.738976][ T10] [ 2684.742169][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2684.742169][ T10] netdev_get_by_index+0x5e/0x80 [ 2684.742169][ T10] fib6_nh_init+0x3d8/0x1580 [ 2684.742169][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2684.742169][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2684.742169][ T10] ipv6_add_addr+0x411/0x2000 [ 2684.742169][ T10] inet6_addr_add+0x30e/0xa40 [ 2684.742169][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2684.742169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2684.742169][ T10] netlink_rcv_skb+0x130/0x360 [ 2684.742169][ T10] netlink_unicast+0x449/0x710 [ 2684.742169][ T10] netlink_sendmsg+0x723/0xbe0 [ 2684.742169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2684.742169][ T10] ___sys_sendmsg+0xee/0x170 [ 2684.742169][ T10] __sys_sendmsg+0xcd/0x170 [ 2684.742169][ T10] do_syscall_64+0xc6/0x1e0 [ 2684.742169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2684.742169][ T10] [ 2684.745476][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2684.745476][ T10] netdev_get_by_index+0x5e/0x80 [ 2684.745476][ T10] fib6_nh_init+0x3d8/0x1580 [ 2684.745476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2684.745476][ T10] ip6_route_add+0x1c/0x140 [ 2684.745476][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2684.745476][ T10] addrconf_add_dev+0xe2/0x170 [ 2684.745476][ T10] inet6_addr_add+0x12f/0xa40 [ 2684.745476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2684.745476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2684.745476][ T10] netlink_rcv_skb+0x130/0x360 [ 2684.745476][ T10] netlink_unicast+0x449/0x710 [ 2684.745476][ T10] netlink_sendmsg+0x723/0xbe0 [ 2684.745476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2684.745476][ T10] ___sys_sendmsg+0xee/0x170 [ 2684.745476][ T10] __sys_sendmsg+0xcd/0x170 [ 2684.745476][ T10] do_syscall_64+0xc6/0x1e0 [ 2684.745476][ T10] [ 2684.748732][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2684.748732][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2684.748732][ T10] ipv6_find_idev+0x102/0x170 [ 2684.748732][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2684.748732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2684.748732][ T10] netlink_rcv_skb+0x130/0x360 [ 2684.748732][ T10] netlink_unicast+0x449/0x710 [ 2684.748732][ T10] netlink_sendmsg+0x723/0xbe0 [ 2684.748732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2684.748732][ T10] ___sys_sendmsg+0xee/0x170 [ 2684.748732][ T10] __sys_sendmsg+0xcd/0x170 [ 2684.748732][ T10] do_syscall_64+0xc6/0x1e0 [ 2684.748732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2684.748732][ T10] [ 2684.751216][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2684.751216][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2684.751216][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2684.751216][ T10] ipv6_find_idev+0x102/0x170 [ 2684.751216][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2684.751216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2684.751216][ T10] netlink_rcv_skb+0x130/0x360 [ 2684.751216][ T10] netlink_unicast+0x449/0x710 [ 2684.751216][ T10] netlink_sendmsg+0x723/0xbe0 [ 2684.751216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2684.751216][ T10] ___sys_sendmsg+0xee/0x170 [ 2684.751216][ T10] __sys_sendmsg+0xcd/0x170 [ 2684.751216][ T10] do_syscall_64+0xc6/0x1e0 [ 2684.751216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2684.751216][ T10] [ 2687.545146][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2687.545595][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2687.545595][ T1167] dst_init+0x84/0x4a0 [ 2687.545595][ T1167] dst_alloc+0x97/0x150 [ 2687.545595][ T1167] ip6_dst_alloc+0x23/0x90 [ 2687.545595][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2687.545595][ T1167] ip6_pol_route+0x56f/0x840 [ 2687.545595][ T1167] fib6_rule_lookup+0x334/0x630 [ 2687.545595][ T1167] ip6_route_output_flags+0x259/0x480 [ 2687.545595][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2687.545595][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2687.545595][ T1167] netlink_rcv_skb+0x130/0x360 [ 2687.545595][ T1167] netlink_unicast+0x449/0x710 [ 2687.545595][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2687.545595][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2687.545595][ T1167] ___sys_sendmsg+0xee/0x170 [ 2687.545595][ T1167] __sys_sendmsg+0xcd/0x170 [ 2687.545595][ T1167] do_syscall_64+0xc6/0x1e0 [ 2687.545595][ T1167] [ 2687.547798][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2687.547798][ T1167] netdev_get_by_index+0x5e/0x80 [ 2687.547798][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2687.547798][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2687.547798][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2687.547798][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2687.547798][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2687.547798][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2687.547798][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2687.547798][ T1167] addrconf_dad_begin+0x310/0x670 [ 2687.547798][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2687.547798][ T1167] process_one_work+0x84d/0x18a0 [ 2687.547798][ T1167] worker_thread+0x587/0xd30 [ 2687.547798][ T1167] kthread+0x28a/0x350 [ 2687.547798][ T1167] ret_from_fork+0x31/0x70 [ 2687.547798][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2687.547798][ T1167] [ 2687.549960][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2687.549960][ T1167] netdev_get_by_index+0x5e/0x80 [ 2687.549960][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2687.549960][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2687.549960][ T1167] ip6_route_add+0x1c/0x140 [ 2687.549960][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2687.549960][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2687.549960][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2687.549960][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2687.549960][ T1167] netlink_rcv_skb+0x130/0x360 [ 2687.549960][ T1167] netlink_unicast+0x449/0x710 [ 2687.549960][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2687.549960][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2687.549960][ T1167] ___sys_sendmsg+0xee/0x170 [ 2687.549960][ T1167] __sys_sendmsg+0xcd/0x170 [ 2687.549960][ T1167] do_syscall_64+0xc6/0x1e0 [ 2687.549960][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2687.549960][ T1167] [ 2687.552219][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2687.552219][ T1167] netdev_get_by_index+0x5e/0x80 [ 2687.552219][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2687.552219][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2687.552219][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2687.552219][ T1167] ipv6_add_addr+0x411/0x2000 [ 2687.552219][ T1167] inet6_addr_add+0x30e/0xa40 [ 2687.552219][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2687.552219][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2687.552219][ T1167] netlink_rcv_skb+0x130/0x360 [ 2687.552219][ T1167] netlink_unicast+0x449/0x710 [ 2687.552219][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2687.552219][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2687.552219][ T1167] ___sys_sendmsg+0xee/0x170 [ 2687.552219][ T1167] __sys_sendmsg+0xcd/0x170 [ 2687.552219][ T1167] do_syscall_64+0xc6/0x1e0 [ 2687.552219][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2687.552219][ T1167] [ 2687.554500][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2687.554500][ T1167] netdev_get_by_index+0x5e/0x80 [ 2687.554500][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2687.554500][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2687.554500][ T1167] ip6_route_add+0x1c/0x140 [ 2687.554500][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2687.554500][ T1167] addrconf_add_dev+0xe2/0x170 [ 2687.554500][ T1167] inet6_addr_add+0x12f/0xa40 [ 2687.554500][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2687.554500][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2687.554500][ T1167] netlink_rcv_skb+0x130/0x360 [ 2687.554500][ T1167] netlink_unicast+0x449/0x710 [ 2687.554500][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2687.554500][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2687.554500][ T1167] ___sys_sendmsg+0xee/0x170 [ 2687.554500][ T1167] __sys_sendmsg+0xcd/0x170 [ 2687.554500][ T1167] do_syscall_64+0xc6/0x1e0 [ 2687.554500][ T1167] [ 2687.556722][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2687.556722][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2687.556722][ T1167] ipv6_find_idev+0x102/0x170 [ 2687.556722][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2687.556722][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2687.556722][ T1167] netlink_rcv_skb+0x130/0x360 [ 2687.556722][ T1167] netlink_unicast+0x449/0x710 [ 2687.556722][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2687.556722][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2687.556722][ T1167] ___sys_sendmsg+0xee/0x170 [ 2687.556722][ T1167] __sys_sendmsg+0xcd/0x170 [ 2687.556722][ T1167] do_syscall_64+0xc6/0x1e0 [ 2687.556722][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2687.556722][ T1167] [ 2687.558457][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2687.558457][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2687.558457][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2687.558457][ T1167] ipv6_find_idev+0x102/0x170 [ 2687.558457][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2687.558457][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2687.558457][ T1167] netlink_rcv_skb+0x130/0x360 [ 2687.558457][ T1167] netlink_unicast+0x449/0x710 [ 2687.558457][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2687.558457][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2687.558457][ T1167] ___sys_sendmsg+0xee/0x170 [ 2687.558457][ T1167] __sys_sendmsg+0xcd/0x170 [ 2687.558457][ T1167] do_syscall_64+0xc6/0x1e0 [ 2687.558457][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2687.558457][ T1167] [ 2694.993109][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2694.993529][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2694.993529][ T10] netdev_get_by_index+0x5e/0x80 [ 2694.993529][ T10] fib6_nh_init+0x3d8/0x1580 [ 2694.993529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2694.993529][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2694.993529][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2694.993529][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2694.993529][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2694.993529][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2694.993529][ T10] addrconf_dad_begin+0x310/0x670 [ 2694.993529][ T10] addrconf_dad_work+0x10b/0xab0 [ 2694.993529][ T10] process_one_work+0x84d/0x18a0 [ 2694.993529][ T10] worker_thread+0x587/0xd30 [ 2694.993529][ T10] kthread+0x28a/0x350 [ 2694.993529][ T10] ret_from_fork+0x31/0x70 [ 2694.993529][ T10] ret_from_fork_asm+0x1a/0x30 [ 2694.993529][ T10] [ 2694.995501][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2694.995501][ T10] netdev_get_by_index+0x5e/0x80 [ 2694.995501][ T10] fib6_nh_init+0x3d8/0x1580 [ 2694.995501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2694.995501][ T10] ip6_route_add+0x1c/0x140 [ 2694.995501][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2694.995501][ T10] inet6_addr_add+0x4f8/0xa40 [ 2694.995501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2694.995501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2694.995501][ T10] netlink_rcv_skb+0x130/0x360 [ 2694.995501][ T10] netlink_unicast+0x449/0x710 [ 2694.995501][ T10] netlink_sendmsg+0x723/0xbe0 [ 2694.995501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2694.995501][ T10] ___sys_sendmsg+0xee/0x170 [ 2694.995501][ T10] __sys_sendmsg+0xcd/0x170 [ 2694.995501][ T10] do_syscall_64+0xc6/0x1e0 [ 2694.995501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2694.995501][ T10] [ 2694.997522][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2694.997522][ T10] netdev_get_by_index+0x5e/0x80 [ 2694.997522][ T10] fib6_nh_init+0x3d8/0x1580 [ 2694.997522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2694.997522][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2694.997522][ T10] ipv6_add_addr+0x411/0x2000 [ 2694.997522][ T10] inet6_addr_add+0x30e/0xa40 [ 2694.997522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2694.997522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2694.997522][ T10] netlink_rcv_skb+0x130/0x360 [ 2694.997522][ T10] netlink_unicast+0x449/0x710 [ 2694.997522][ T10] netlink_sendmsg+0x723/0xbe0 [ 2694.997522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2694.997522][ T10] ___sys_sendmsg+0xee/0x170 [ 2694.997522][ T10] __sys_sendmsg+0xcd/0x170 [ 2694.997522][ T10] do_syscall_64+0xc6/0x1e0 [ 2694.997522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2694.997522][ T10] [ 2694.999504][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2694.999504][ T10] netdev_get_by_index+0x5e/0x80 [ 2694.999504][ T10] fib6_nh_init+0x3d8/0x1580 [ 2694.999504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2694.999504][ T10] ip6_route_add+0x1c/0x140 [ 2694.999504][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2694.999504][ T10] addrconf_add_dev+0xe2/0x170 [ 2694.999504][ T10] inet6_addr_add+0x12f/0xa40 [ 2694.999504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2694.999504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2694.999504][ T10] netlink_rcv_skb+0x130/0x360 [ 2694.999504][ T10] netlink_unicast+0x449/0x710 [ 2694.999504][ T10] netlink_sendmsg+0x723/0xbe0 [ 2694.999504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2694.999504][ T10] ___sys_sendmsg+0xee/0x170 [ 2694.999504][ T10] __sys_sendmsg+0xcd/0x170 [ 2694.999504][ T10] do_syscall_64+0xc6/0x1e0 [ 2694.999504][ T10] [ 2695.001468][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2695.001468][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2695.001468][ T10] ipv6_find_idev+0x102/0x170 [ 2695.001468][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2695.001468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2695.001468][ T10] netlink_rcv_skb+0x130/0x360 [ 2695.001468][ T10] netlink_unicast+0x449/0x710 [ 2695.001468][ T10] netlink_sendmsg+0x723/0xbe0 [ 2695.001468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2695.001468][ T10] ___sys_sendmsg+0xee/0x170 [ 2695.001468][ T10] __sys_sendmsg+0xcd/0x170 [ 2695.001468][ T10] do_syscall_64+0xc6/0x1e0 [ 2695.001468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2695.001468][ T10] [ 2695.002992][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2695.002992][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2695.002992][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2695.002992][ T10] ipv6_find_idev+0x102/0x170 [ 2695.002992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2695.002992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2695.002992][ T10] netlink_rcv_skb+0x130/0x360 [ 2695.002992][ T10] netlink_unicast+0x449/0x710 [ 2695.002992][ T10] netlink_sendmsg+0x723/0xbe0 [ 2695.002992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2695.002992][ T10] ___sys_sendmsg+0xee/0x170 [ 2695.002992][ T10] __sys_sendmsg+0xcd/0x170 [ 2695.002992][ T10] do_syscall_64+0xc6/0x1e0 [ 2695.002992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2695.002992][ T10] [ 2695.004683][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2695.004923][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2695.004923][ T10] netdev_get_by_index+0x5e/0x80 [ 2695.004923][ T10] fib6_nh_init+0x3d8/0x1580 [ 2695.004923][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2695.004923][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2695.004923][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2695.004923][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2695.004923][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2695.004923][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2695.004923][ T10] addrconf_dad_begin+0x310/0x670 [ 2695.004923][ T10] addrconf_dad_work+0x10b/0xab0 [ 2695.004923][ T10] process_one_work+0x84d/0x18a0 [ 2695.004923][ T10] worker_thread+0x587/0xd30 [ 2695.004923][ T10] kthread+0x28a/0x350 [ 2695.004923][ T10] ret_from_fork+0x31/0x70 [ 2695.004923][ T10] ret_from_fork_asm+0x1a/0x30 [ 2695.004923][ T10] [ 2695.006826][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2695.006826][ T10] netdev_get_by_index+0x5e/0x80 [ 2695.006826][ T10] fib6_nh_init+0x3d8/0x1580 [ 2695.006826][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2695.006826][ T10] ip6_route_add+0x1c/0x140 [ 2695.006826][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2695.006826][ T10] inet6_addr_add+0x4f8/0xa40 [ 2695.006826][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2695.006826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2695.006826][ T10] netlink_rcv_skb+0x130/0x360 [ 2695.006826][ T10] netlink_unicast+0x449/0x710 [ 2695.006826][ T10] netlink_sendmsg+0x723/0xbe0 [ 2695.006826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2695.006826][ T10] ___sys_sendmsg+0xee/0x170 [ 2695.006826][ T10] __sys_sendmsg+0xcd/0x170 [ 2695.006826][ T10] do_syscall_64+0xc6/0x1e0 [ 2695.006826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2695.006826][ T10] [ 2695.008832][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2695.008832][ T10] netdev_get_by_index+0x5e/0x80 [ 2695.008832][ T10] fib6_nh_init+0x3d8/0x1580 [ 2695.008832][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2695.008832][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2695.008832][ T10] ipv6_add_addr+0x411/0x2000 [ 2695.008832][ T10] inet6_addr_add+0x30e/0xa40 [ 2695.008832][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2695.008832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2695.008832][ T10] netlink_rcv_skb+0x130/0x360 [ 2695.008832][ T10] netlink_unicast+0x449/0x710 [ 2695.008832][ T10] netlink_sendmsg+0x723/0xbe0 [ 2695.008832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2695.008832][ T10] ___sys_sendmsg+0xee/0x170 [ 2695.008832][ T10] __sys_sendmsg+0xcd/0x170 [ 2695.008832][ T10] do_syscall_64+0xc6/0x1e0 [ 2695.008832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2695.008832][ T10] [ 2695.010828][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2695.010828][ T10] netdev_get_by_index+0x5e/0x80 [ 2695.010828][ T10] fib6_nh_init+0x3d8/0x1580 [ 2695.010828][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2695.010828][ T10] ip6_route_add+0x1c/0x140 [ 2695.010828][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2695.010828][ T10] addrconf_add_dev+0xe2/0x170 [ 2695.010828][ T10] inet6_addr_add+0x12f/0xa40 [ 2695.010828][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2695.010828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2695.010828][ T10] netlink_rcv_skb+0x130/0x360 [ 2695.010828][ T10] netlink_unicast+0x449/0x710 [ 2695.010828][ T10] netlink_sendmsg+0x723/0xbe0 [ 2695.010828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2695.010828][ T10] ___sys_sendmsg+0xee/0x170 [ 2695.010828][ T10] __sys_sendmsg+0xcd/0x170 [ 2695.010828][ T10] do_syscall_64+0xc6/0x1e0 [ 2695.010828][ T10] [ 2695.012811][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2695.012811][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2695.012811][ T10] ipv6_find_idev+0x102/0x170 [ 2695.012811][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2695.012811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2695.012811][ T10] netlink_rcv_skb+0x130/0x360 [ 2695.012811][ T10] netlink_unicast+0x449/0x710 [ 2695.012811][ T10] netlink_sendmsg+0x723/0xbe0 [ 2695.012811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2695.012811][ T10] ___sys_sendmsg+0xee/0x170 [ 2695.012811][ T10] __sys_sendmsg+0xcd/0x170 [ 2695.012811][ T10] do_syscall_64+0xc6/0x1e0 [ 2695.012811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2695.012811][ T10] [ 2695.014337][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2695.014337][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2695.014337][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2695.014337][ T10] ipv6_find_idev+0x102/0x170 [ 2695.014337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2695.014337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2695.014337][ T10] netlink_rcv_skb+0x130/0x360 [ 2695.014337][ T10] netlink_unicast+0x449/0x710 [ 2695.014337][ T10] netlink_sendmsg+0x723/0xbe0 [ 2695.014337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2695.014337][ T10] ___sys_sendmsg+0xee/0x170 [ 2695.014337][ T10] __sys_sendmsg+0xcd/0x170 [ 2695.014337][ T10] do_syscall_64+0xc6/0x1e0 [ 2695.014337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2695.014337][ T10] [ 2695.016021][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2695.016263][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2695.016263][ T10] netdev_get_by_index+0x5e/0x80 [ 2695.016263][ T10] fib6_nh_init+0x3d8/0x1580 [ 2695.016263][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2695.016263][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2695.016263][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2695.016263][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2695.016263][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2695.016263][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2695.016263][ T10] addrconf_dad_begin+0x310/0x670 [ 2695.016263][ T10] addrconf_dad_work+0x10b/0xab0 [ 2695.016263][ T10] process_one_work+0x84d/0x18a0 [ 2695.016263][ T10] worker_thread+0x587/0xd30 [ 2695.016263][ T10] kthread+0x28a/0x350 [ 2695.016263][ T10] ret_from_fork+0x31/0x70 [ 2695.016263][ T10] ret_from_fork_asm+0x1a/0x30 [ 2695.016263][ T10] [ 2695.018177][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2695.018177][ T10] netdev_get_by_index+0x5e/0x80 [ 2695.018177][ T10] fib6_nh_init+0x3d8/0x1580 [ 2695.018177][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2695.018177][ T10] ip6_route_add+0x1c/0x140 [ 2695.018177][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2695.018177][ T10] inet6_addr_add+0x4f8/0xa40 [ 2695.018177][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2695.018177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2695.018177][ T10] netlink_rcv_skb+0x130/0x360 [ 2695.018177][ T10] netlink_unicast+0x449/0x710 [ 2695.018177][ T10] netlink_sendmsg+0x723/0xbe0 [ 2695.018177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2695.018177][ T10] ___sys_sendmsg+0xee/0x170 [ 2695.018177][ T10] __sys_sendmsg+0xcd/0x170 [ 2695.018177][ T10] do_syscall_64+0xc6/0x1e0 [ 2695.018177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2695.018177][ T10] [ 2695.020358][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2695.020358][ T10] netdev_get_by_index+0x5e/0x80 [ 2695.020358][ T10] fib6_nh_init+0x3d8/0x1580 [ 2695.020358][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2695.020358][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2695.020358][ T10] ipv6_add_addr+0x411/0x2000 [ 2695.020358][ T10] inet6_addr_add+0x30e/0xa40 [ 2695.020358][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2695.020358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2695.020358][ T10] netlink_rcv_skb+0x130/0x360 [ 2695.020358][ T10] netlink_unicast+0x449/0x710 [ 2695.020358][ T10] netlink_sendmsg+0x723/0xbe0 [ 2695.020358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2695.020358][ T10] ___sys_sendmsg+0xee/0x170 [ 2695.020358][ T10] __sys_sendmsg+0xcd/0x170 [ 2695.020358][ T10] do_syscall_64+0xc6/0x1e0 [ 2695.020358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2695.020358][ T10] [ 2695.022634][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2695.022634][ T10] netdev_get_by_index+0x5e/0x80 [ 2695.022634][ T10] fib6_nh_init+0x3d8/0x1580 [ 2695.022634][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2695.022634][ T10] ip6_route_add+0x1c/0x140 [ 2695.022634][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2695.022634][ T10] addrconf_add_dev+0xe2/0x170 [ 2695.022634][ T10] inet6_addr_add+0x12f/0xa40 [ 2695.022634][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2695.022634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2695.022634][ T10] netlink_rcv_skb+0x130/0x360 [ 2695.022634][ T10] netlink_unicast+0x449/0x710 [ 2695.022634][ T10] netlink_sendmsg+0x723/0xbe0 [ 2695.022634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2695.022634][ T10] ___sys_sendmsg+0xee/0x170 [ 2695.022634][ T10] __sys_sendmsg+0xcd/0x170 [ 2695.022634][ T10] do_syscall_64+0xc6/0x1e0 [ 2695.022634][ T10] [ 2695.024851][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2695.024851][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2695.024851][ T10] ipv6_find_idev+0x102/0x170 [ 2695.024851][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2695.024851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2695.024851][ T10] netlink_rcv_skb+0x130/0x360 [ 2695.024851][ T10] netlink_unicast+0x449/0x710 [ 2695.024851][ T10] netlink_sendmsg+0x723/0xbe0 [ 2695.024851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2695.024851][ T10] ___sys_sendmsg+0xee/0x170 [ 2695.024851][ T10] __sys_sendmsg+0xcd/0x170 [ 2695.024851][ T10] do_syscall_64+0xc6/0x1e0 [ 2695.024851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2695.024851][ T10] [ 2695.026605][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2695.026605][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2695.026605][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2695.026605][ T10] ipv6_find_idev+0x102/0x170 [ 2695.026605][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2695.026605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2695.026605][ T10] netlink_rcv_skb+0x130/0x360 [ 2695.026605][ T10] netlink_unicast+0x449/0x710 [ 2695.026605][ T10] netlink_sendmsg+0x723/0xbe0 [ 2695.026605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2695.026605][ T10] ___sys_sendmsg+0xee/0x170 [ 2695.026605][ T10] __sys_sendmsg+0xcd/0x170 [ 2695.026605][ T10] do_syscall_64+0xc6/0x1e0 [ 2695.026605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2695.026605][ T10] [ 2695.028565][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2695.028801][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2695.028801][ T10] netdev_get_by_index+0x5e/0x80 [ 2695.028801][ T10] fib6_nh_init+0x3d8/0x1580 [ 2695.028801][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2695.028801][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2695.028801][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2695.028801][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2695.028801][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2695.028801][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2695.028801][ T10] addrconf_dad_begin+0x310/0x670 [ 2695.028801][ T10] addrconf_dad_work+0x10b/0xab0 [ 2695.028801][ T10] process_one_work+0x84d/0x18a0 [ 2695.028801][ T10] worker_thread+0x587/0xd30 [ 2695.028801][ T10] kthread+0x28a/0x350 [ 2695.028801][ T10] ret_from_fork+0x31/0x70 [ 2695.028801][ T10] ret_from_fork_asm+0x1a/0x30 [ 2695.028801][ T10] [ 2695.030936][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2695.030936][ T10] netdev_get_by_index+0x5e/0x80 [ 2695.030936][ T10] fib6_nh_init+0x3d8/0x1580 [ 2695.030936][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2695.030936][ T10] ip6_route_add+0x1c/0x140 [ 2695.030936][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2695.030936][ T10] inet6_addr_add+0x4f8/0xa40 [ 2695.030936][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2695.030936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2695.030936][ T10] netlink_rcv_skb+0x130/0x360 [ 2695.030936][ T10] netlink_unicast+0x449/0x710 [ 2695.030936][ T10] netlink_sendmsg+0x723/0xbe0 [ 2695.030936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2695.030936][ T10] ___sys_sendmsg+0xee/0x170 [ 2695.030936][ T10] __sys_sendmsg+0xcd/0x170 [ 2695.030936][ T10] do_syscall_64+0xc6/0x1e0 [ 2695.030936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2695.030936][ T10] [ 2695.033158][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2695.033158][ T10] netdev_get_by_index+0x5e/0x80 [ 2695.033158][ T10] fib6_nh_init+0x3d8/0x1580 [ 2695.033158][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2695.033158][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2695.033158][ T10] ipv6_add_addr+0x411/0x2000 [ 2695.033158][ T10] inet6_addr_add+0x30e/0xa40 [ 2695.033158][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2695.033158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2695.033158][ T10] netlink_rcv_skb+0x130/0x360 [ 2695.033158][ T10] netlink_unicast+0x449/0x710 [ 2695.033158][ T10] netlink_sendmsg+0x723/0xbe0 [ 2695.033158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2695.033158][ T10] ___sys_sendmsg+0xee/0x170 [ 2695.033158][ T10] __sys_sendmsg+0xcd/0x170 [ 2695.033158][ T10] do_syscall_64+0xc6/0x1e0 [ 2695.033158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2695.033158][ T10] [ 2695.035332][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2695.035332][ T10] netdev_get_by_index+0x5e/0x80 [ 2695.035332][ T10] fib6_nh_init+0x3d8/0x1580 [ 2695.035332][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2695.035332][ T10] ip6_route_add+0x1c/0x140 [ 2695.035332][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2695.035332][ T10] addrconf_add_dev+0xe2/0x170 [ 2695.035332][ T10] inet6_addr_add+0x12f/0xa40 [ 2695.035332][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2695.035332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2695.035332][ T10] netlink_rcv_skb+0x130/0x360 [ 2695.035332][ T10] netlink_unicast+0x449/0x710 [ 2695.035332][ T10] netlink_sendmsg+0x723/0xbe0 [ 2695.035332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2695.035332][ T10] ___sys_sendmsg+0xee/0x170 [ 2695.035332][ T10] __sys_sendmsg+0xcd/0x170 [ 2695.035332][ T10] do_syscall_64+0xc6/0x1e0 [ 2695.035332][ T10] [ 2695.037587][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2695.037587][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2695.037587][ T10] ipv6_find_idev+0x102/0x170 [ 2695.037587][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2695.037587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2695.037587][ T10] netlink_rcv_skb+0x130/0x360 [ 2695.037587][ T10] netlink_unicast+0x449/0x710 [ 2695.037587][ T10] netlink_sendmsg+0x723/0xbe0 [ 2695.037587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2695.037587][ T10] ___sys_sendmsg+0xee/0x170 [ 2695.037587][ T10] __sys_sendmsg+0xcd/0x170 [ 2695.037587][ T10] do_syscall_64+0xc6/0x1e0 [ 2695.037587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2695.037587][ T10] [ 2695.039300][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2695.039300][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2695.039300][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2695.039300][ T10] ipv6_find_idev+0x102/0x170 [ 2695.039300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2695.039300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2695.039300][ T10] netlink_rcv_skb+0x130/0x360 [ 2695.039300][ T10] netlink_unicast+0x449/0x710 [ 2695.039300][ T10] netlink_sendmsg+0x723/0xbe0 [ 2695.039300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2695.039300][ T10] ___sys_sendmsg+0xee/0x170 [ 2695.039300][ T10] __sys_sendmsg+0xcd/0x170 [ 2695.039300][ T10] do_syscall_64+0xc6/0x1e0 [ 2695.039300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2695.039300][ T10] [ 2697.809084][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2697.809548][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2697.809548][ T1167] dst_init+0x84/0x4a0 [ 2697.809548][ T1167] dst_alloc+0x97/0x150 [ 2697.809548][ T1167] ip6_dst_alloc+0x23/0x90 [ 2697.809548][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2697.809548][ T1167] ip6_pol_route+0x56f/0x840 [ 2697.809548][ T1167] fib6_rule_lookup+0x334/0x630 [ 2697.809548][ T1167] ip6_route_output_flags+0x259/0x480 [ 2697.809548][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2697.809548][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2697.809548][ T1167] netlink_rcv_skb+0x130/0x360 [ 2697.809548][ T1167] netlink_unicast+0x449/0x710 [ 2697.809548][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2697.809548][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2697.809548][ T1167] ___sys_sendmsg+0xee/0x170 [ 2697.809548][ T1167] __sys_sendmsg+0xcd/0x170 [ 2697.809548][ T1167] do_syscall_64+0xc6/0x1e0 [ 2697.809548][ T1167] [ 2697.811916][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2697.811916][ T1167] netdev_get_by_index+0x5e/0x80 [ 2697.811916][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2697.811916][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2697.811916][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2697.811916][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2697.811916][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2697.811916][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2697.811916][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2697.811916][ T1167] addrconf_dad_begin+0x310/0x670 [ 2697.811916][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2697.811916][ T1167] process_one_work+0x84d/0x18a0 [ 2697.811916][ T1167] worker_thread+0x587/0xd30 [ 2697.811916][ T1167] kthread+0x28a/0x350 [ 2697.811916][ T1167] ret_from_fork+0x31/0x70 [ 2697.811916][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2697.811916][ T1167] [ 2697.814231][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2697.814231][ T1167] netdev_get_by_index+0x5e/0x80 [ 2697.814231][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2697.814231][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2697.814231][ T1167] ip6_route_add+0x1c/0x140 [ 2697.814231][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2697.814231][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2697.814231][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.814231][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.814231][ T1167] netlink_rcv_skb+0x130/0x360 [ 2697.814231][ T1167] netlink_unicast+0x449/0x710 [ 2697.814231][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2697.814231][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2697.814231][ T1167] ___sys_sendmsg+0xee/0x170 [ 2697.814231][ T1167] __sys_sendmsg+0xcd/0x170 [ 2697.814231][ T1167] do_syscall_64+0xc6/0x1e0 [ 2697.814231][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.814231][ T1167] [ 2697.816651][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2697.816651][ T1167] netdev_get_by_index+0x5e/0x80 [ 2697.816651][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2697.816651][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2697.816651][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2697.816651][ T1167] ipv6_add_addr+0x411/0x2000 [ 2697.816651][ T1167] inet6_addr_add+0x30e/0xa40 [ 2697.816651][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.816651][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.816651][ T1167] netlink_rcv_skb+0x130/0x360 [ 2697.816651][ T1167] netlink_unicast+0x449/0x710 [ 2697.816651][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2697.816651][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2697.816651][ T1167] ___sys_sendmsg+0xee/0x170 [ 2697.816651][ T1167] __sys_sendmsg+0xcd/0x170 [ 2697.816651][ T1167] do_syscall_64+0xc6/0x1e0 [ 2697.816651][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.816651][ T1167] [ 2697.819008][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2697.819008][ T1167] netdev_get_by_index+0x5e/0x80 [ 2697.819008][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2697.819008][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2697.819008][ T1167] ip6_route_add+0x1c/0x140 [ 2697.819008][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2697.819008][ T1167] addrconf_add_dev+0xe2/0x170 [ 2697.819008][ T1167] inet6_addr_add+0x12f/0xa40 [ 2697.819008][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.819008][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.819008][ T1167] netlink_rcv_skb+0x130/0x360 [ 2697.819008][ T1167] netlink_unicast+0x449/0x710 [ 2697.819008][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2697.819008][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2697.819008][ T1167] ___sys_sendmsg+0xee/0x170 [ 2697.819008][ T1167] __sys_sendmsg+0xcd/0x170 [ 2697.819008][ T1167] do_syscall_64+0xc6/0x1e0 [ 2697.819008][ T1167] [ 2697.821309][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2697.821309][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2697.821309][ T1167] ipv6_find_idev+0x102/0x170 [ 2697.821309][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2697.821309][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.821309][ T1167] netlink_rcv_skb+0x130/0x360 [ 2697.821309][ T1167] netlink_unicast+0x449/0x710 [ 2697.821309][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2697.821309][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2697.821309][ T1167] ___sys_sendmsg+0xee/0x170 [ 2697.821309][ T1167] __sys_sendmsg+0xcd/0x170 [ 2697.821309][ T1167] do_syscall_64+0xc6/0x1e0 [ 2697.821309][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.821309][ T1167] [ 2697.823048][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2697.823048][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2697.823048][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2697.823048][ T1167] ipv6_find_idev+0x102/0x170 [ 2697.823048][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2697.823048][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.823048][ T1167] netlink_rcv_skb+0x130/0x360 [ 2697.823048][ T1167] netlink_unicast+0x449/0x710 [ 2697.823048][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2697.823048][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2697.823048][ T1167] ___sys_sendmsg+0xee/0x170 [ 2697.823048][ T1167] __sys_sendmsg+0xcd/0x170 [ 2697.823048][ T1167] do_syscall_64+0xc6/0x1e0 [ 2697.823048][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.823048][ T1167] [ 2705.281052][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2705.281459][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2705.281459][ T10] netdev_get_by_index+0x5e/0x80 [ 2705.281459][ T10] fib6_nh_init+0x3d8/0x1580 [ 2705.281459][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2705.281459][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2705.281459][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2705.281459][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2705.281459][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2705.281459][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2705.281459][ T10] addrconf_dad_begin+0x310/0x670 [ 2705.281459][ T10] addrconf_dad_work+0x10b/0xab0 [ 2705.281459][ T10] process_one_work+0x84d/0x18a0 [ 2705.281459][ T10] worker_thread+0x587/0xd30 [ 2705.281459][ T10] kthread+0x28a/0x350 [ 2705.281459][ T10] ret_from_fork+0x31/0x70 [ 2705.281459][ T10] ret_from_fork_asm+0x1a/0x30 [ 2705.281459][ T10] [ 2705.283474][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2705.283474][ T10] netdev_get_by_index+0x5e/0x80 [ 2705.283474][ T10] fib6_nh_init+0x3d8/0x1580 [ 2705.283474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2705.283474][ T10] ip6_route_add+0x1c/0x140 [ 2705.283474][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2705.283474][ T10] inet6_addr_add+0x4f8/0xa40 [ 2705.283474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2705.283474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2705.283474][ T10] netlink_rcv_skb+0x130/0x360 [ 2705.283474][ T10] netlink_unicast+0x449/0x710 [ 2705.283474][ T10] netlink_sendmsg+0x723/0xbe0 [ 2705.283474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2705.283474][ T10] ___sys_sendmsg+0xee/0x170 [ 2705.283474][ T10] __sys_sendmsg+0xcd/0x170 [ 2705.283474][ T10] do_syscall_64+0xc6/0x1e0 [ 2705.283474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2705.283474][ T10] [ 2705.285527][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2705.285527][ T10] netdev_get_by_index+0x5e/0x80 [ 2705.285527][ T10] fib6_nh_init+0x3d8/0x1580 [ 2705.285527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2705.285527][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2705.285527][ T10] ipv6_add_addr+0x411/0x2000 [ 2705.285527][ T10] inet6_addr_add+0x30e/0xa40 [ 2705.285527][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2705.285527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2705.285527][ T10] netlink_rcv_skb+0x130/0x360 [ 2705.285527][ T10] netlink_unicast+0x449/0x710 [ 2705.285527][ T10] netlink_sendmsg+0x723/0xbe0 [ 2705.285527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2705.285527][ T10] ___sys_sendmsg+0xee/0x170 [ 2705.285527][ T10] __sys_sendmsg+0xcd/0x170 [ 2705.285527][ T10] do_syscall_64+0xc6/0x1e0 [ 2705.285527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2705.285527][ T10] [ 2705.287514][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2705.287514][ T10] netdev_get_by_index+0x5e/0x80 [ 2705.287514][ T10] fib6_nh_init+0x3d8/0x1580 [ 2705.287514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2705.287514][ T10] ip6_route_add+0x1c/0x140 [ 2705.287514][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2705.287514][ T10] addrconf_add_dev+0xe2/0x170 [ 2705.287514][ T10] inet6_addr_add+0x12f/0xa40 [ 2705.287514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2705.287514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2705.287514][ T10] netlink_rcv_skb+0x130/0x360 [ 2705.287514][ T10] netlink_unicast+0x449/0x710 [ 2705.287514][ T10] netlink_sendmsg+0x723/0xbe0 [ 2705.287514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2705.287514][ T10] ___sys_sendmsg+0xee/0x170 [ 2705.287514][ T10] __sys_sendmsg+0xcd/0x170 [ 2705.287514][ T10] do_syscall_64+0xc6/0x1e0 [ 2705.287514][ T10] [ 2705.289557][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2705.289557][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2705.289557][ T10] ipv6_find_idev+0x102/0x170 [ 2705.289557][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2705.289557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2705.289557][ T10] netlink_rcv_skb+0x130/0x360 [ 2705.289557][ T10] netlink_unicast+0x449/0x710 [ 2705.289557][ T10] netlink_sendmsg+0x723/0xbe0 [ 2705.289557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2705.289557][ T10] ___sys_sendmsg+0xee/0x170 [ 2705.289557][ T10] __sys_sendmsg+0xcd/0x170 [ 2705.289557][ T10] do_syscall_64+0xc6/0x1e0 [ 2705.289557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2705.289557][ T10] [ 2705.291161][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2705.291161][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2705.291161][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2705.291161][ T10] ipv6_find_idev+0x102/0x170 [ 2705.291161][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2705.291161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2705.291161][ T10] netlink_rcv_skb+0x130/0x360 [ 2705.291161][ T10] netlink_unicast+0x449/0x710 [ 2705.291161][ T10] netlink_sendmsg+0x723/0xbe0 [ 2705.291161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2705.291161][ T10] ___sys_sendmsg+0xee/0x170 [ 2705.291161][ T10] __sys_sendmsg+0xcd/0x170 [ 2705.291161][ T10] do_syscall_64+0xc6/0x1e0 [ 2705.291161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2705.291161][ T10] [ 2705.292917][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2705.293201][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2705.293201][ T10] netdev_get_by_index+0x5e/0x80 [ 2705.293201][ T10] fib6_nh_init+0x3d8/0x1580 [ 2705.293201][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2705.293201][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2705.293201][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2705.293201][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2705.293201][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2705.293201][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2705.293201][ T10] addrconf_dad_begin+0x310/0x670 [ 2705.293201][ T10] addrconf_dad_work+0x10b/0xab0 [ 2705.293201][ T10] process_one_work+0x84d/0x18a0 [ 2705.293201][ T10] worker_thread+0x587/0xd30 [ 2705.293201][ T10] kthread+0x28a/0x350 [ 2705.293201][ T10] ret_from_fork+0x31/0x70 [ 2705.293201][ T10] ret_from_fork_asm+0x1a/0x30 [ 2705.293201][ T10] [ 2705.295193][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2705.295193][ T10] netdev_get_by_index+0x5e/0x80 [ 2705.295193][ T10] fib6_nh_init+0x3d8/0x1580 [ 2705.295193][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2705.295193][ T10] ip6_route_add+0x1c/0x140 [ 2705.295193][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2705.295193][ T10] inet6_addr_add+0x4f8/0xa40 [ 2705.295193][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2705.295193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2705.295193][ T10] netlink_rcv_skb+0x130/0x360 [ 2705.295193][ T10] netlink_unicast+0x449/0x710 [ 2705.295193][ T10] netlink_sendmsg+0x723/0xbe0 [ 2705.295193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2705.295193][ T10] ___sys_sendmsg+0xee/0x170 [ 2705.295193][ T10] __sys_sendmsg+0xcd/0x170 [ 2705.295193][ T10] do_syscall_64+0xc6/0x1e0 [ 2705.295193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2705.295193][ T10] [ 2705.297191][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2705.297191][ T10] netdev_get_by_index+0x5e/0x80 [ 2705.297191][ T10] fib6_nh_init+0x3d8/0x1580 [ 2705.297191][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2705.297191][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2705.297191][ T10] ipv6_add_addr+0x411/0x2000 [ 2705.297191][ T10] inet6_addr_add+0x30e/0xa40 [ 2705.297191][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2705.297191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2705.297191][ T10] netlink_rcv_skb+0x130/0x360 [ 2705.297191][ T10] netlink_unicast+0x449/0x710 [ 2705.297191][ T10] netlink_sendmsg+0x723/0xbe0 [ 2705.297191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2705.297191][ T10] ___sys_sendmsg+0xee/0x170 [ 2705.297191][ T10] __sys_sendmsg+0xcd/0x170 [ 2705.297191][ T10] do_syscall_64+0xc6/0x1e0 [ 2705.297191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2705.297191][ T10] [ 2705.299327][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2705.299327][ T10] netdev_get_by_index+0x5e/0x80 [ 2705.299327][ T10] fib6_nh_init+0x3d8/0x1580 [ 2705.299327][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2705.299327][ T10] ip6_route_add+0x1c/0x140 [ 2705.299327][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2705.299327][ T10] addrconf_add_dev+0xe2/0x170 [ 2705.299327][ T10] inet6_addr_add+0x12f/0xa40 [ 2705.299327][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2705.299327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2705.299327][ T10] netlink_rcv_skb+0x130/0x360 [ 2705.299327][ T10] netlink_unicast+0x449/0x710 [ 2705.299327][ T10] netlink_sendmsg+0x723/0xbe0 [ 2705.299327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2705.299327][ T10] ___sys_sendmsg+0xee/0x170 [ 2705.299327][ T10] __sys_sendmsg+0xcd/0x170 [ 2705.299327][ T10] do_syscall_64+0xc6/0x1e0 [ 2705.299327][ T10] [ 2705.301278][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2705.301278][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2705.301278][ T10] ipv6_find_idev+0x102/0x170 [ 2705.301278][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2705.301278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2705.301278][ T10] netlink_rcv_skb+0x130/0x360 [ 2705.301278][ T10] netlink_unicast+0x449/0x710 [ 2705.301278][ T10] netlink_sendmsg+0x723/0xbe0 [ 2705.301278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2705.301278][ T10] ___sys_sendmsg+0xee/0x170 [ 2705.301278][ T10] __sys_sendmsg+0xcd/0x170 [ 2705.301278][ T10] do_syscall_64+0xc6/0x1e0 [ 2705.301278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2705.301278][ T10] [ 2705.302811][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2705.302811][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2705.302811][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2705.302811][ T10] ipv6_find_idev+0x102/0x170 [ 2705.302811][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2705.302811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2705.302811][ T10] netlink_rcv_skb+0x130/0x360 [ 2705.302811][ T10] netlink_unicast+0x449/0x710 [ 2705.302811][ T10] netlink_sendmsg+0x723/0xbe0 [ 2705.302811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2705.302811][ T10] ___sys_sendmsg+0xee/0x170 [ 2705.302811][ T10] __sys_sendmsg+0xcd/0x170 [ 2705.302811][ T10] do_syscall_64+0xc6/0x1e0 [ 2705.302811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2705.302811][ T10] [ 2705.304493][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2705.304737][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2705.304737][ T10] netdev_get_by_index+0x5e/0x80 [ 2705.304737][ T10] fib6_nh_init+0x3d8/0x1580 [ 2705.304737][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2705.304737][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2705.304737][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2705.304737][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2705.304737][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2705.304737][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2705.304737][ T10] addrconf_dad_begin+0x310/0x670 [ 2705.304737][ T10] addrconf_dad_work+0x10b/0xab0 [ 2705.304737][ T10] process_one_work+0x84d/0x18a0 [ 2705.304737][ T10] worker_thread+0x587/0xd30 [ 2705.304737][ T10] kthread+0x28a/0x350 [ 2705.304737][ T10] ret_from_fork+0x31/0x70 [ 2705.304737][ T10] ret_from_fork_asm+0x1a/0x30 [ 2705.304737][ T10] [ 2705.306646][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2705.306646][ T10] netdev_get_by_index+0x5e/0x80 [ 2705.306646][ T10] fib6_nh_init+0x3d8/0x1580 [ 2705.306646][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2705.306646][ T10] ip6_route_add+0x1c/0x140 [ 2705.306646][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2705.306646][ T10] inet6_addr_add+0x4f8/0xa40 [ 2705.306646][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2705.306646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2705.306646][ T10] netlink_rcv_skb+0x130/0x360 [ 2705.306646][ T10] netlink_unicast+0x449/0x710 [ 2705.306646][ T10] netlink_sendmsg+0x723/0xbe0 [ 2705.306646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2705.306646][ T10] ___sys_sendmsg+0xee/0x170 [ 2705.306646][ T10] __sys_sendmsg+0xcd/0x170 [ 2705.306646][ T10] do_syscall_64+0xc6/0x1e0 [ 2705.306646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2705.306646][ T10] [ 2705.308817][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2705.308817][ T10] netdev_get_by_index+0x5e/0x80 [ 2705.308817][ T10] fib6_nh_init+0x3d8/0x1580 [ 2705.308817][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2705.308817][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2705.308817][ T10] ipv6_add_addr+0x411/0x2000 [ 2705.308817][ T10] inet6_addr_add+0x30e/0xa40 [ 2705.308817][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2705.308817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2705.308817][ T10] netlink_rcv_skb+0x130/0x360 [ 2705.308817][ T10] netlink_unicast+0x449/0x710 [ 2705.308817][ T10] netlink_sendmsg+0x723/0xbe0 [ 2705.308817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2705.308817][ T10] ___sys_sendmsg+0xee/0x170 [ 2705.308817][ T10] __sys_sendmsg+0xcd/0x170 [ 2705.308817][ T10] do_syscall_64+0xc6/0x1e0 [ 2705.308817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2705.308817][ T10] [ 2705.311072][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2705.311072][ T10] netdev_get_by_index+0x5e/0x80 [ 2705.311072][ T10] fib6_nh_init+0x3d8/0x1580 [ 2705.311072][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2705.311072][ T10] ip6_route_add+0x1c/0x140 [ 2705.311072][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2705.311072][ T10] addrconf_add_dev+0xe2/0x170 [ 2705.311072][ T10] inet6_addr_add+0x12f/0xa40 [ 2705.311072][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2705.311072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2705.311072][ T10] netlink_rcv_skb+0x130/0x360 [ 2705.311072][ T10] netlink_unicast+0x449/0x710 [ 2705.311072][ T10] netlink_sendmsg+0x723/0xbe0 [ 2705.311072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2705.311072][ T10] ___sys_sendmsg+0xee/0x170 [ 2705.311072][ T10] __sys_sendmsg+0xcd/0x170 [ 2705.311072][ T10] do_syscall_64+0xc6/0x1e0 [ 2705.311072][ T10] [ 2705.313325][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2705.313325][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2705.313325][ T10] ipv6_find_idev+0x102/0x170 [ 2705.313325][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2705.313325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2705.313325][ T10] netlink_rcv_skb+0x130/0x360 [ 2705.313325][ T10] netlink_unicast+0x449/0x710 [ 2705.313325][ T10] netlink_sendmsg+0x723/0xbe0 [ 2705.313325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2705.313325][ T10] ___sys_sendmsg+0xee/0x170 [ 2705.313325][ T10] __sys_sendmsg+0xcd/0x170 [ 2705.313325][ T10] do_syscall_64+0xc6/0x1e0 [ 2705.313325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2705.313325][ T10] [ 2705.315048][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2705.315048][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2705.315048][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2705.315048][ T10] ipv6_find_idev+0x102/0x170 [ 2705.315048][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2705.315048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2705.315048][ T10] netlink_rcv_skb+0x130/0x360 [ 2705.315048][ T10] netlink_unicast+0x449/0x710 [ 2705.315048][ T10] netlink_sendmsg+0x723/0xbe0 [ 2705.315048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2705.315048][ T10] ___sys_sendmsg+0xee/0x170 [ 2705.315048][ T10] __sys_sendmsg+0xcd/0x170 [ 2705.315048][ T10] do_syscall_64+0xc6/0x1e0 [ 2705.315048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2705.315048][ T10] [ 2705.316911][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2705.317588][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2705.317588][ T10] netdev_get_by_index+0x5e/0x80 [ 2705.317588][ T10] fib6_nh_init+0x3d8/0x1580 [ 2705.317588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2705.317588][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2705.317588][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2705.317588][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2705.317588][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2705.317588][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2705.317588][ T10] addrconf_dad_begin+0x310/0x670 [ 2705.317588][ T10] addrconf_dad_work+0x10b/0xab0 [ 2705.317588][ T10] process_one_work+0x84d/0x18a0 [ 2705.317588][ T10] worker_thread+0x587/0xd30 [ 2705.317588][ T10] kthread+0x28a/0x350 [ 2705.317588][ T10] ret_from_fork+0x31/0x70 [ 2705.317588][ T10] ret_from_fork_asm+0x1a/0x30 [ 2705.317588][ T10] [ 2705.319494][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2705.319494][ T10] netdev_get_by_index+0x5e/0x80 [ 2705.319494][ T10] fib6_nh_init+0x3d8/0x1580 [ 2705.319494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2705.319494][ T10] ip6_route_add+0x1c/0x140 [ 2705.319494][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2705.319494][ T10] inet6_addr_add+0x4f8/0xa40 [ 2705.319494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2705.319494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2705.319494][ T10] netlink_rcv_skb+0x130/0x360 [ 2705.319494][ T10] netlink_unicast+0x449/0x710 [ 2705.319494][ T10] netlink_sendmsg+0x723/0xbe0 [ 2705.319494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2705.319494][ T10] ___sys_sendmsg+0xee/0x170 [ 2705.319494][ T10] __sys_sendmsg+0xcd/0x170 [ 2705.319494][ T10] do_syscall_64+0xc6/0x1e0 [ 2705.319494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2705.319494][ T10] [ 2705.321600][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2705.321600][ T10] netdev_get_by_index+0x5e/0x80 [ 2705.321600][ T10] fib6_nh_init+0x3d8/0x1580 [ 2705.321600][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2705.321600][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2705.321600][ T10] ipv6_add_addr+0x411/0x2000 [ 2705.321600][ T10] inet6_addr_add+0x30e/0xa40 [ 2705.321600][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2705.321600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2705.321600][ T10] netlink_rcv_skb+0x130/0x360 [ 2705.321600][ T10] netlink_unicast+0x449/0x710 [ 2705.321600][ T10] netlink_sendmsg+0x723/0xbe0 [ 2705.321600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2705.321600][ T10] ___sys_sendmsg+0xee/0x170 [ 2705.321600][ T10] __sys_sendmsg+0xcd/0x170 [ 2705.321600][ T10] do_syscall_64+0xc6/0x1e0 [ 2705.321600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2705.321600][ T10] [ 2705.323833][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2705.323833][ T10] netdev_get_by_index+0x5e/0x80 [ 2705.323833][ T10] fib6_nh_init+0x3d8/0x1580 [ 2705.323833][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2705.323833][ T10] ip6_route_add+0x1c/0x140 [ 2705.323833][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2705.323833][ T10] addrconf_add_dev+0xe2/0x170 [ 2705.323833][ T10] inet6_addr_add+0x12f/0xa40 [ 2705.323833][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2705.323833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2705.323833][ T10] netlink_rcv_skb+0x130/0x360 [ 2705.323833][ T10] netlink_unicast+0x449/0x710 [ 2705.323833][ T10] netlink_sendmsg+0x723/0xbe0 [ 2705.323833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2705.323833][ T10] ___sys_sendmsg+0xee/0x170 [ 2705.323833][ T10] __sys_sendmsg+0xcd/0x170 [ 2705.323833][ T10] do_syscall_64+0xc6/0x1e0 [ 2705.323833][ T10] [ 2705.325974][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2705.325974][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2705.325974][ T10] ipv6_find_idev+0x102/0x170 [ 2705.325974][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2705.325974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2705.325974][ T10] netlink_rcv_skb+0x130/0x360 [ 2705.325974][ T10] netlink_unicast+0x449/0x710 [ 2705.325974][ T10] netlink_sendmsg+0x723/0xbe0 [ 2705.325974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2705.325974][ T10] ___sys_sendmsg+0xee/0x170 [ 2705.325974][ T10] __sys_sendmsg+0xcd/0x170 [ 2705.325974][ T10] do_syscall_64+0xc6/0x1e0 [ 2705.325974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2705.325974][ T10] [ 2705.327747][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2705.327747][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2705.327747][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2705.327747][ T10] ipv6_find_idev+0x102/0x170 [ 2705.327747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2705.327747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2705.327747][ T10] netlink_rcv_skb+0x130/0x360 [ 2705.327747][ T10] netlink_unicast+0x449/0x710 [ 2705.327747][ T10] netlink_sendmsg+0x723/0xbe0 [ 2705.327747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2705.327747][ T10] ___sys_sendmsg+0xee/0x170 [ 2705.327747][ T10] __sys_sendmsg+0xcd/0x170 [ 2705.327747][ T10] do_syscall_64+0xc6/0x1e0 [ 2705.327747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2705.327747][ T10] [ 2708.073092][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2708.073601][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2708.073601][ T1167] dst_init+0x84/0x4a0 [ 2708.073601][ T1167] dst_alloc+0x97/0x150 [ 2708.073601][ T1167] ip6_dst_alloc+0x23/0x90 [ 2708.073601][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2708.073601][ T1167] ip6_pol_route+0x56f/0x840 [ 2708.073601][ T1167] fib6_rule_lookup+0x334/0x630 [ 2708.073601][ T1167] ip6_route_output_flags+0x259/0x480 [ 2708.073601][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2708.073601][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2708.073601][ T1167] netlink_rcv_skb+0x130/0x360 [ 2708.073601][ T1167] netlink_unicast+0x449/0x710 [ 2708.073601][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2708.073601][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2708.073601][ T1167] ___sys_sendmsg+0xee/0x170 [ 2708.073601][ T1167] __sys_sendmsg+0xcd/0x170 [ 2708.073601][ T1167] do_syscall_64+0xc6/0x1e0 [ 2708.073601][ T1167] [ 2708.075899][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2708.075899][ T1167] netdev_get_by_index+0x5e/0x80 [ 2708.075899][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2708.075899][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2708.075899][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2708.075899][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2708.075899][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2708.075899][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2708.075899][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2708.075899][ T1167] addrconf_dad_begin+0x310/0x670 [ 2708.075899][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2708.075899][ T1167] process_one_work+0x84d/0x18a0 [ 2708.075899][ T1167] worker_thread+0x587/0xd30 [ 2708.075899][ T1167] kthread+0x28a/0x350 [ 2708.075899][ T1167] ret_from_fork+0x31/0x70 [ 2708.075899][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2708.075899][ T1167] [ 2708.078181][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2708.078181][ T1167] netdev_get_by_index+0x5e/0x80 [ 2708.078181][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2708.078181][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2708.078181][ T1167] ip6_route_add+0x1c/0x140 [ 2708.078181][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2708.078181][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2708.078181][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2708.078181][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2708.078181][ T1167] netlink_rcv_skb+0x130/0x360 [ 2708.078181][ T1167] netlink_unicast+0x449/0x710 [ 2708.078181][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2708.078181][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2708.078181][ T1167] ___sys_sendmsg+0xee/0x170 [ 2708.078181][ T1167] __sys_sendmsg+0xcd/0x170 [ 2708.078181][ T1167] do_syscall_64+0xc6/0x1e0 [ 2708.078181][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2708.078181][ T1167] [ 2708.080524][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2708.080524][ T1167] netdev_get_by_index+0x5e/0x80 [ 2708.080524][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2708.080524][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2708.080524][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2708.080524][ T1167] ipv6_add_addr+0x411/0x2000 [ 2708.080524][ T1167] inet6_addr_add+0x30e/0xa40 [ 2708.080524][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2708.080524][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2708.080524][ T1167] netlink_rcv_skb+0x130/0x360 [ 2708.080524][ T1167] netlink_unicast+0x449/0x710 [ 2708.080524][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2708.080524][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2708.080524][ T1167] ___sys_sendmsg+0xee/0x170 [ 2708.080524][ T1167] __sys_sendmsg+0xcd/0x170 [ 2708.080524][ T1167] do_syscall_64+0xc6/0x1e0 [ 2708.080524][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2708.080524][ T1167] [ 2708.082784][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2708.082784][ T1167] netdev_get_by_index+0x5e/0x80 [ 2708.082784][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2708.082784][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2708.082784][ T1167] ip6_route_add+0x1c/0x140 [ 2708.082784][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2708.082784][ T1167] addrconf_add_dev+0xe2/0x170 [ 2708.082784][ T1167] inet6_addr_add+0x12f/0xa40 [ 2708.082784][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2708.082784][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2708.082784][ T1167] netlink_rcv_skb+0x130/0x360 [ 2708.082784][ T1167] netlink_unicast+0x449/0x710 [ 2708.082784][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2708.082784][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2708.082784][ T1167] ___sys_sendmsg+0xee/0x170 [ 2708.082784][ T1167] __sys_sendmsg+0xcd/0x170 [ 2708.082784][ T1167] do_syscall_64+0xc6/0x1e0 [ 2708.082784][ T1167] [ 2708.085022][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2708.085022][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2708.085022][ T1167] ipv6_find_idev+0x102/0x170 [ 2708.085022][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2708.085022][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2708.085022][ T1167] netlink_rcv_skb+0x130/0x360 [ 2708.085022][ T1167] netlink_unicast+0x449/0x710 [ 2708.085022][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2708.085022][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2708.085022][ T1167] ___sys_sendmsg+0xee/0x170 [ 2708.085022][ T1167] __sys_sendmsg+0xcd/0x170 [ 2708.085022][ T1167] do_syscall_64+0xc6/0x1e0 [ 2708.085022][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2708.085022][ T1167] [ 2708.086760][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2708.086760][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2708.086760][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2708.086760][ T1167] ipv6_find_idev+0x102/0x170 [ 2708.086760][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2708.086760][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2708.086760][ T1167] netlink_rcv_skb+0x130/0x360 [ 2708.086760][ T1167] netlink_unicast+0x449/0x710 [ 2708.086760][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2708.086760][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2708.086760][ T1167] ___sys_sendmsg+0xee/0x170 [ 2708.086760][ T1167] __sys_sendmsg+0xcd/0x170 [ 2708.086760][ T1167] do_syscall_64+0xc6/0x1e0 [ 2708.086760][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2708.086760][ T1167] [ 2715.569154][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2715.569584][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2715.569584][ T10] netdev_get_by_index+0x5e/0x80 [ 2715.569584][ T10] fib6_nh_init+0x3d8/0x1580 [ 2715.569584][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2715.569584][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2715.569584][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2715.569584][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2715.569584][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2715.569584][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2715.569584][ T10] addrconf_dad_begin+0x310/0x670 [ 2715.569584][ T10] addrconf_dad_work+0x10b/0xab0 [ 2715.569584][ T10] process_one_work+0x84d/0x18a0 [ 2715.569584][ T10] worker_thread+0x587/0xd30 [ 2715.569584][ T10] kthread+0x28a/0x350 [ 2715.569584][ T10] ret_from_fork+0x31/0x70 [ 2715.569584][ T10] ret_from_fork_asm+0x1a/0x30 [ 2715.569584][ T10] [ 2715.571503][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2715.571503][ T10] netdev_get_by_index+0x5e/0x80 [ 2715.571503][ T10] fib6_nh_init+0x3d8/0x1580 [ 2715.571503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2715.571503][ T10] ip6_route_add+0x1c/0x140 [ 2715.571503][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2715.571503][ T10] inet6_addr_add+0x4f8/0xa40 [ 2715.571503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2715.571503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2715.571503][ T10] netlink_rcv_skb+0x130/0x360 [ 2715.571503][ T10] netlink_unicast+0x449/0x710 [ 2715.571503][ T10] netlink_sendmsg+0x723/0xbe0 [ 2715.571503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2715.571503][ T10] ___sys_sendmsg+0xee/0x170 [ 2715.571503][ T10] __sys_sendmsg+0xcd/0x170 [ 2715.571503][ T10] do_syscall_64+0xc6/0x1e0 [ 2715.571503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2715.571503][ T10] [ 2715.573484][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2715.573484][ T10] netdev_get_by_index+0x5e/0x80 [ 2715.573484][ T10] fib6_nh_init+0x3d8/0x1580 [ 2715.573484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2715.573484][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2715.573484][ T10] ipv6_add_addr+0x411/0x2000 [ 2715.573484][ T10] inet6_addr_add+0x30e/0xa40 [ 2715.573484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2715.573484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2715.573484][ T10] netlink_rcv_skb+0x130/0x360 [ 2715.573484][ T10] netlink_unicast+0x449/0x710 [ 2715.573484][ T10] netlink_sendmsg+0x723/0xbe0 [ 2715.573484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2715.573484][ T10] ___sys_sendmsg+0xee/0x170 [ 2715.573484][ T10] __sys_sendmsg+0xcd/0x170 [ 2715.573484][ T10] do_syscall_64+0xc6/0x1e0 [ 2715.573484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2715.573484][ T10] [ 2715.575488][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2715.575488][ T10] netdev_get_by_index+0x5e/0x80 [ 2715.575488][ T10] fib6_nh_init+0x3d8/0x1580 [ 2715.575488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2715.575488][ T10] ip6_route_add+0x1c/0x140 [ 2715.575488][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2715.575488][ T10] addrconf_add_dev+0xe2/0x170 [ 2715.575488][ T10] inet6_addr_add+0x12f/0xa40 [ 2715.575488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2715.575488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2715.575488][ T10] netlink_rcv_skb+0x130/0x360 [ 2715.575488][ T10] netlink_unicast+0x449/0x710 [ 2715.575488][ T10] netlink_sendmsg+0x723/0xbe0 [ 2715.575488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2715.575488][ T10] ___sys_sendmsg+0xee/0x170 [ 2715.575488][ T10] __sys_sendmsg+0xcd/0x170 [ 2715.575488][ T10] do_syscall_64+0xc6/0x1e0 [ 2715.575488][ T10] [ 2715.577428][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2715.577428][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2715.577428][ T10] ipv6_find_idev+0x102/0x170 [ 2715.577428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2715.577428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2715.577428][ T10] netlink_rcv_skb+0x130/0x360 [ 2715.577428][ T10] netlink_unicast+0x449/0x710 [ 2715.577428][ T10] netlink_sendmsg+0x723/0xbe0 [ 2715.577428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2715.577428][ T10] ___sys_sendmsg+0xee/0x170 [ 2715.577428][ T10] __sys_sendmsg+0xcd/0x170 [ 2715.577428][ T10] do_syscall_64+0xc6/0x1e0 [ 2715.577428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2715.577428][ T10] [ 2715.579521][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2715.579521][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2715.579521][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2715.579521][ T10] ipv6_find_idev+0x102/0x170 [ 2715.579521][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2715.579521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2715.579521][ T10] netlink_rcv_skb+0x130/0x360 [ 2715.579521][ T10] netlink_unicast+0x449/0x710 [ 2715.579521][ T10] netlink_sendmsg+0x723/0xbe0 [ 2715.579521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2715.579521][ T10] ___sys_sendmsg+0xee/0x170 [ 2715.579521][ T10] __sys_sendmsg+0xcd/0x170 [ 2715.579521][ T10] do_syscall_64+0xc6/0x1e0 [ 2715.579521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2715.579521][ T10] [ 2715.581189][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2715.581433][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2715.581433][ T10] netdev_get_by_index+0x5e/0x80 [ 2715.581433][ T10] fib6_nh_init+0x3d8/0x1580 [ 2715.581433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2715.581433][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2715.581433][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2715.581433][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2715.581433][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2715.581433][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2715.581433][ T10] addrconf_dad_begin+0x310/0x670 [ 2715.581433][ T10] addrconf_dad_work+0x10b/0xab0 [ 2715.581433][ T10] process_one_work+0x84d/0x18a0 [ 2715.581433][ T10] worker_thread+0x587/0xd30 [ 2715.581433][ T10] kthread+0x28a/0x350 [ 2715.581433][ T10] ret_from_fork+0x31/0x70 [ 2715.581433][ T10] ret_from_fork_asm+0x1a/0x30 [ 2715.581433][ T10] [ 2715.583318][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2715.583318][ T10] netdev_get_by_index+0x5e/0x80 [ 2715.583318][ T10] fib6_nh_init+0x3d8/0x1580 [ 2715.583318][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2715.583318][ T10] ip6_route_add+0x1c/0x140 [ 2715.583318][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2715.583318][ T10] inet6_addr_add+0x4f8/0xa40 [ 2715.583318][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2715.583318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2715.583318][ T10] netlink_rcv_skb+0x130/0x360 [ 2715.583318][ T10] netlink_unicast+0x449/0x710 [ 2715.583318][ T10] netlink_sendmsg+0x723/0xbe0 [ 2715.583318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2715.583318][ T10] ___sys_sendmsg+0xee/0x170 [ 2715.583318][ T10] __sys_sendmsg+0xcd/0x170 [ 2715.583318][ T10] do_syscall_64+0xc6/0x1e0 [ 2715.583318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2715.583318][ T10] [ 2715.585307][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2715.585307][ T10] netdev_get_by_index+0x5e/0x80 [ 2715.585307][ T10] fib6_nh_init+0x3d8/0x1580 [ 2715.585307][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2715.585307][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2715.585307][ T10] ipv6_add_addr+0x411/0x2000 [ 2715.585307][ T10] inet6_addr_add+0x30e/0xa40 [ 2715.585307][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2715.585307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2715.585307][ T10] netlink_rcv_skb+0x130/0x360 [ 2715.585307][ T10] netlink_unicast+0x449/0x710 [ 2715.585307][ T10] netlink_sendmsg+0x723/0xbe0 [ 2715.585307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2715.585307][ T10] ___sys_sendmsg+0xee/0x170 [ 2715.585307][ T10] __sys_sendmsg+0xcd/0x170 [ 2715.585307][ T10] do_syscall_64+0xc6/0x1e0 [ 2715.585307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2715.585307][ T10] [ 2715.587293][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2715.587293][ T10] netdev_get_by_index+0x5e/0x80 [ 2715.587293][ T10] fib6_nh_init+0x3d8/0x1580 [ 2715.587293][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2715.587293][ T10] ip6_route_add+0x1c/0x140 [ 2715.587293][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2715.587293][ T10] addrconf_add_dev+0xe2/0x170 [ 2715.587293][ T10] inet6_addr_add+0x12f/0xa40 [ 2715.587293][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2715.587293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2715.587293][ T10] netlink_rcv_skb+0x130/0x360 [ 2715.587293][ T10] netlink_unicast+0x449/0x710 [ 2715.587293][ T10] netlink_sendmsg+0x723/0xbe0 [ 2715.587293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2715.587293][ T10] ___sys_sendmsg+0xee/0x170 [ 2715.587293][ T10] __sys_sendmsg+0xcd/0x170 [ 2715.587293][ T10] do_syscall_64+0xc6/0x1e0 [ 2715.587293][ T10] [ 2715.589235][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2715.589235][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2715.589235][ T10] ipv6_find_idev+0x102/0x170 [ 2715.589235][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2715.589235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2715.589235][ T10] netlink_rcv_skb+0x130/0x360 [ 2715.589235][ T10] netlink_unicast+0x449/0x710 [ 2715.589235][ T10] netlink_sendmsg+0x723/0xbe0 [ 2715.589235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2715.589235][ T10] ___sys_sendmsg+0xee/0x170 [ 2715.589235][ T10] __sys_sendmsg+0xcd/0x170 [ 2715.589235][ T10] do_syscall_64+0xc6/0x1e0 [ 2715.589235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2715.589235][ T10] [ 2715.590761][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2715.590761][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2715.590761][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2715.590761][ T10] ipv6_find_idev+0x102/0x170 [ 2715.590761][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2715.590761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2715.590761][ T10] netlink_rcv_skb+0x130/0x360 [ 2715.590761][ T10] netlink_unicast+0x449/0x710 [ 2715.590761][ T10] netlink_sendmsg+0x723/0xbe0 [ 2715.590761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2715.590761][ T10] ___sys_sendmsg+0xee/0x170 [ 2715.590761][ T10] __sys_sendmsg+0xcd/0x170 [ 2715.590761][ T10] do_syscall_64+0xc6/0x1e0 [ 2715.590761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2715.590761][ T10] [ 2715.592434][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2715.592676][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2715.592676][ T10] netdev_get_by_index+0x5e/0x80 [ 2715.592676][ T10] fib6_nh_init+0x3d8/0x1580 [ 2715.592676][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2715.592676][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2715.592676][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2715.592676][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2715.592676][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2715.592676][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2715.592676][ T10] addrconf_dad_begin+0x310/0x670 [ 2715.592676][ T10] addrconf_dad_work+0x10b/0xab0 [ 2715.592676][ T10] process_one_work+0x84d/0x18a0 [ 2715.592676][ T10] worker_thread+0x587/0xd30 [ 2715.592676][ T10] kthread+0x28a/0x350 [ 2715.592676][ T10] ret_from_fork+0x31/0x70 [ 2715.592676][ T10] ret_from_fork_asm+0x1a/0x30 [ 2715.592676][ T10] [ 2715.594959][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2715.594959][ T10] netdev_get_by_index+0x5e/0x80 [ 2715.594959][ T10] fib6_nh_init+0x3d8/0x1580 [ 2715.594959][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2715.594959][ T10] ip6_route_add+0x1c/0x140 [ 2715.594959][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2715.594959][ T10] inet6_addr_add+0x4f8/0xa40 [ 2715.594959][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2715.594959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2715.594959][ T10] netlink_rcv_skb+0x130/0x360 [ 2715.594959][ T10] netlink_unicast+0x449/0x710 [ 2715.594959][ T10] netlink_sendmsg+0x723/0xbe0 [ 2715.594959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2715.594959][ T10] ___sys_sendmsg+0xee/0x170 [ 2715.594959][ T10] __sys_sendmsg+0xcd/0x170 [ 2715.594959][ T10] do_syscall_64+0xc6/0x1e0 [ 2715.594959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2715.594959][ T10] [ 2715.597121][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2715.597121][ T10] netdev_get_by_index+0x5e/0x80 [ 2715.597121][ T10] fib6_nh_init+0x3d8/0x1580 [ 2715.597121][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2715.597121][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2715.597121][ T10] ipv6_add_addr+0x411/0x2000 [ 2715.597121][ T10] inet6_addr_add+0x30e/0xa40 [ 2715.597121][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2715.597121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2715.597121][ T10] netlink_rcv_skb+0x130/0x360 [ 2715.597121][ T10] netlink_unicast+0x449/0x710 [ 2715.597121][ T10] netlink_sendmsg+0x723/0xbe0 [ 2715.597121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2715.597121][ T10] ___sys_sendmsg+0xee/0x170 [ 2715.597121][ T10] __sys_sendmsg+0xcd/0x170 [ 2715.597121][ T10] do_syscall_64+0xc6/0x1e0 [ 2715.597121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2715.597121][ T10] [ 2715.599340][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2715.599340][ T10] netdev_get_by_index+0x5e/0x80 [ 2715.599340][ T10] fib6_nh_init+0x3d8/0x1580 [ 2715.599340][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2715.599340][ T10] ip6_route_add+0x1c/0x140 [ 2715.599340][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2715.599340][ T10] addrconf_add_dev+0xe2/0x170 [ 2715.599340][ T10] inet6_addr_add+0x12f/0xa40 [ 2715.599340][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2715.599340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2715.599340][ T10] netlink_rcv_skb+0x130/0x360 [ 2715.599340][ T10] netlink_unicast+0x449/0x710 [ 2715.599340][ T10] netlink_sendmsg+0x723/0xbe0 [ 2715.599340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2715.599340][ T10] ___sys_sendmsg+0xee/0x170 [ 2715.599340][ T10] __sys_sendmsg+0xcd/0x170 [ 2715.599340][ T10] do_syscall_64+0xc6/0x1e0 [ 2715.599340][ T10] [ 2715.601592][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2715.601592][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2715.601592][ T10] ipv6_find_idev+0x102/0x170 [ 2715.601592][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2715.601592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2715.601592][ T10] netlink_rcv_skb+0x130/0x360 [ 2715.601592][ T10] netlink_unicast+0x449/0x710 [ 2715.601592][ T10] netlink_sendmsg+0x723/0xbe0 [ 2715.601592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2715.601592][ T10] ___sys_sendmsg+0xee/0x170 [ 2715.601592][ T10] __sys_sendmsg+0xcd/0x170 [ 2715.601592][ T10] do_syscall_64+0xc6/0x1e0 [ 2715.601592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2715.601592][ T10] [ 2715.603303][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2715.603303][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2715.603303][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2715.603303][ T10] ipv6_find_idev+0x102/0x170 [ 2715.603303][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2715.603303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2715.603303][ T10] netlink_rcv_skb+0x130/0x360 [ 2715.603303][ T10] netlink_unicast+0x449/0x710 [ 2715.603303][ T10] netlink_sendmsg+0x723/0xbe0 [ 2715.603303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2715.603303][ T10] ___sys_sendmsg+0xee/0x170 [ 2715.603303][ T10] __sys_sendmsg+0xcd/0x170 [ 2715.603303][ T10] do_syscall_64+0xc6/0x1e0 [ 2715.603303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2715.603303][ T10] [ 2715.605148][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2715.605403][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2715.605403][ T10] netdev_get_by_index+0x5e/0x80 [ 2715.605403][ T10] fib6_nh_init+0x3d8/0x1580 [ 2715.605403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2715.605403][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2715.605403][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2715.605403][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2715.605403][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2715.605403][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2715.605403][ T10] addrconf_dad_begin+0x310/0x670 [ 2715.605403][ T10] addrconf_dad_work+0x10b/0xab0 [ 2715.605403][ T10] process_one_work+0x84d/0x18a0 [ 2715.605403][ T10] worker_thread+0x587/0xd30 [ 2715.605403][ T10] kthread+0x28a/0x350 [ 2715.605403][ T10] ret_from_fork+0x31/0x70 [ 2715.605403][ T10] ret_from_fork_asm+0x1a/0x30 [ 2715.605403][ T10] [ 2715.607550][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2715.607550][ T10] netdev_get_by_index+0x5e/0x80 [ 2715.607550][ T10] fib6_nh_init+0x3d8/0x1580 [ 2715.607550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2715.607550][ T10] ip6_route_add+0x1c/0x140 [ 2715.607550][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2715.607550][ T10] inet6_addr_add+0x4f8/0xa40 [ 2715.607550][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2715.607550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2715.607550][ T10] netlink_rcv_skb+0x130/0x360 [ 2715.607550][ T10] netlink_unicast+0x449/0x710 [ 2715.607550][ T10] netlink_sendmsg+0x723/0xbe0 [ 2715.607550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2715.607550][ T10] ___sys_sendmsg+0xee/0x170 [ 2715.607550][ T10] __sys_sendmsg+0xcd/0x170 [ 2715.607550][ T10] do_syscall_64+0xc6/0x1e0 [ 2715.607550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2715.607550][ T10] [ 2715.609798][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2715.609798][ T10] netdev_get_by_index+0x5e/0x80 [ 2715.609798][ T10] fib6_nh_init+0x3d8/0x1580 [ 2715.609798][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2715.609798][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2715.609798][ T10] ipv6_add_addr+0x411/0x2000 [ 2715.609798][ T10] inet6_addr_add+0x30e/0xa40 [ 2715.609798][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2715.609798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2715.609798][ T10] netlink_rcv_skb+0x130/0x360 [ 2715.609798][ T10] netlink_unicast+0x449/0x710 [ 2715.609798][ T10] netlink_sendmsg+0x723/0xbe0 [ 2715.609798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2715.609798][ T10] ___sys_sendmsg+0xee/0x170 [ 2715.609798][ T10] __sys_sendmsg+0xcd/0x170 [ 2715.609798][ T10] do_syscall_64+0xc6/0x1e0 [ 2715.609798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2715.609798][ T10] [ 2715.612014][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2715.612014][ T10] netdev_get_by_index+0x5e/0x80 [ 2715.612014][ T10] fib6_nh_init+0x3d8/0x1580 [ 2715.612014][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2715.612014][ T10] ip6_route_add+0x1c/0x140 [ 2715.612014][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2715.612014][ T10] addrconf_add_dev+0xe2/0x170 [ 2715.612014][ T10] inet6_addr_add+0x12f/0xa40 [ 2715.612014][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2715.612014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2715.612014][ T10] netlink_rcv_skb+0x130/0x360 [ 2715.612014][ T10] netlink_unicast+0x449/0x710 [ 2715.612014][ T10] netlink_sendmsg+0x723/0xbe0 [ 2715.612014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2715.612014][ T10] ___sys_sendmsg+0xee/0x170 [ 2715.612014][ T10] __sys_sendmsg+0xcd/0x170 [ 2715.612014][ T10] do_syscall_64+0xc6/0x1e0 [ 2715.612014][ T10] [ 2715.614195][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2715.614195][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2715.614195][ T10] ipv6_find_idev+0x102/0x170 [ 2715.614195][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2715.614195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2715.614195][ T10] netlink_rcv_skb+0x130/0x360 [ 2715.614195][ T10] netlink_unicast+0x449/0x710 [ 2715.614195][ T10] netlink_sendmsg+0x723/0xbe0 [ 2715.614195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2715.614195][ T10] ___sys_sendmsg+0xee/0x170 [ 2715.614195][ T10] __sys_sendmsg+0xcd/0x170 [ 2715.614195][ T10] do_syscall_64+0xc6/0x1e0 [ 2715.614195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2715.614195][ T10] [ 2715.615908][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2715.615908][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2715.615908][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2715.615908][ T10] ipv6_find_idev+0x102/0x170 [ 2715.615908][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2715.615908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2715.615908][ T10] netlink_rcv_skb+0x130/0x360 [ 2715.615908][ T10] netlink_unicast+0x449/0x710 [ 2715.615908][ T10] netlink_sendmsg+0x723/0xbe0 [ 2715.615908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2715.615908][ T10] ___sys_sendmsg+0xee/0x170 [ 2715.615908][ T10] __sys_sendmsg+0xcd/0x170 [ 2715.615908][ T10] do_syscall_64+0xc6/0x1e0 [ 2715.615908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2715.615908][ T10] [ 2718.337162][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2718.337597][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2718.337597][ T1167] dst_init+0x84/0x4a0 [ 2718.337597][ T1167] dst_alloc+0x97/0x150 [ 2718.337597][ T1167] ip6_dst_alloc+0x23/0x90 [ 2718.337597][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2718.337597][ T1167] ip6_pol_route+0x56f/0x840 [ 2718.337597][ T1167] fib6_rule_lookup+0x334/0x630 [ 2718.337597][ T1167] ip6_route_output_flags+0x259/0x480 [ 2718.337597][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2718.337597][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2718.337597][ T1167] netlink_rcv_skb+0x130/0x360 [ 2718.337597][ T1167] netlink_unicast+0x449/0x710 [ 2718.337597][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2718.337597][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2718.337597][ T1167] ___sys_sendmsg+0xee/0x170 [ 2718.337597][ T1167] __sys_sendmsg+0xcd/0x170 [ 2718.337597][ T1167] do_syscall_64+0xc6/0x1e0 [ 2718.337597][ T1167] [ 2718.339797][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2718.339797][ T1167] netdev_get_by_index+0x5e/0x80 [ 2718.339797][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2718.339797][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2718.339797][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2718.339797][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2718.339797][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2718.339797][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2718.339797][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2718.339797][ T1167] addrconf_dad_begin+0x310/0x670 [ 2718.339797][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2718.339797][ T1167] process_one_work+0x84d/0x18a0 [ 2718.339797][ T1167] worker_thread+0x587/0xd30 [ 2718.339797][ T1167] kthread+0x28a/0x350 [ 2718.339797][ T1167] ret_from_fork+0x31/0x70 [ 2718.339797][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2718.339797][ T1167] [ 2718.341947][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2718.341947][ T1167] netdev_get_by_index+0x5e/0x80 [ 2718.341947][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2718.341947][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2718.341947][ T1167] ip6_route_add+0x1c/0x140 [ 2718.341947][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2718.341947][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2718.341947][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2718.341947][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2718.341947][ T1167] netlink_rcv_skb+0x130/0x360 [ 2718.341947][ T1167] netlink_unicast+0x449/0x710 [ 2718.341947][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2718.341947][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2718.341947][ T1167] ___sys_sendmsg+0xee/0x170 [ 2718.341947][ T1167] __sys_sendmsg+0xcd/0x170 [ 2718.341947][ T1167] do_syscall_64+0xc6/0x1e0 [ 2718.341947][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2718.341947][ T1167] [ 2718.344207][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2718.344207][ T1167] netdev_get_by_index+0x5e/0x80 [ 2718.344207][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2718.344207][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2718.344207][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2718.344207][ T1167] ipv6_add_addr+0x411/0x2000 [ 2718.344207][ T1167] inet6_addr_add+0x30e/0xa40 [ 2718.344207][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2718.344207][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2718.344207][ T1167] netlink_rcv_skb+0x130/0x360 [ 2718.344207][ T1167] netlink_unicast+0x449/0x710 [ 2718.344207][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2718.344207][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2718.344207][ T1167] ___sys_sendmsg+0xee/0x170 [ 2718.344207][ T1167] __sys_sendmsg+0xcd/0x170 [ 2718.344207][ T1167] do_syscall_64+0xc6/0x1e0 [ 2718.344207][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2718.344207][ T1167] [ 2718.346495][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2718.346495][ T1167] netdev_get_by_index+0x5e/0x80 [ 2718.346495][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2718.346495][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2718.346495][ T1167] ip6_route_add+0x1c/0x140 [ 2718.346495][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2718.346495][ T1167] addrconf_add_dev+0xe2/0x170 [ 2718.346495][ T1167] inet6_addr_add+0x12f/0xa40 [ 2718.346495][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2718.346495][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2718.346495][ T1167] netlink_rcv_skb+0x130/0x360 [ 2718.346495][ T1167] netlink_unicast+0x449/0x710 [ 2718.346495][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2718.346495][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2718.346495][ T1167] ___sys_sendmsg+0xee/0x170 [ 2718.346495][ T1167] __sys_sendmsg+0xcd/0x170 [ 2718.346495][ T1167] do_syscall_64+0xc6/0x1e0 [ 2718.346495][ T1167] [ 2718.348725][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2718.348725][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2718.348725][ T1167] ipv6_find_idev+0x102/0x170 [ 2718.348725][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2718.348725][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2718.348725][ T1167] netlink_rcv_skb+0x130/0x360 [ 2718.348725][ T1167] netlink_unicast+0x449/0x710 [ 2718.348725][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2718.348725][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2718.348725][ T1167] ___sys_sendmsg+0xee/0x170 [ 2718.348725][ T1167] __sys_sendmsg+0xcd/0x170 [ 2718.348725][ T1167] do_syscall_64+0xc6/0x1e0 [ 2718.348725][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2718.348725][ T1167] [ 2718.350484][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2718.350484][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2718.350484][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2718.350484][ T1167] ipv6_find_idev+0x102/0x170 [ 2718.350484][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2718.350484][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2718.350484][ T1167] netlink_rcv_skb+0x130/0x360 [ 2718.350484][ T1167] netlink_unicast+0x449/0x710 [ 2718.350484][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2718.350484][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2718.350484][ T1167] ___sys_sendmsg+0xee/0x170 [ 2718.350484][ T1167] __sys_sendmsg+0xcd/0x170 [ 2718.350484][ T1167] do_syscall_64+0xc6/0x1e0 [ 2718.350484][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2718.350484][ T1167] [ 2725.857052][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2725.857424][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2725.857424][ T10] netdev_get_by_index+0x5e/0x80 [ 2725.857424][ T10] fib6_nh_init+0x3d8/0x1580 [ 2725.857424][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2725.857424][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2725.857424][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2725.857424][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2725.857424][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2725.857424][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2725.857424][ T10] addrconf_dad_begin+0x310/0x670 [ 2725.857424][ T10] addrconf_dad_work+0x10b/0xab0 [ 2725.857424][ T10] process_one_work+0x84d/0x18a0 [ 2725.857424][ T10] worker_thread+0x587/0xd30 [ 2725.857424][ T10] kthread+0x28a/0x350 [ 2725.857424][ T10] ret_from_fork+0x31/0x70 [ 2725.857424][ T10] ret_from_fork_asm+0x1a/0x30 [ 2725.857424][ T10] [ 2725.859402][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2725.859402][ T10] netdev_get_by_index+0x5e/0x80 [ 2725.859402][ T10] fib6_nh_init+0x3d8/0x1580 [ 2725.859402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2725.859402][ T10] ip6_route_add+0x1c/0x140 [ 2725.859402][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2725.859402][ T10] inet6_addr_add+0x4f8/0xa40 [ 2725.859402][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2725.859402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2725.859402][ T10] netlink_rcv_skb+0x130/0x360 [ 2725.859402][ T10] netlink_unicast+0x449/0x710 [ 2725.859402][ T10] netlink_sendmsg+0x723/0xbe0 [ 2725.859402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2725.859402][ T10] ___sys_sendmsg+0xee/0x170 [ 2725.859402][ T10] __sys_sendmsg+0xcd/0x170 [ 2725.859402][ T10] do_syscall_64+0xc6/0x1e0 [ 2725.859402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2725.859402][ T10] [ 2725.861429][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2725.861429][ T10] netdev_get_by_index+0x5e/0x80 [ 2725.861429][ T10] fib6_nh_init+0x3d8/0x1580 [ 2725.861429][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2725.861429][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2725.861429][ T10] ipv6_add_addr+0x411/0x2000 [ 2725.861429][ T10] inet6_addr_add+0x30e/0xa40 [ 2725.861429][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2725.861429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2725.861429][ T10] netlink_rcv_skb+0x130/0x360 [ 2725.861429][ T10] netlink_unicast+0x449/0x710 [ 2725.861429][ T10] netlink_sendmsg+0x723/0xbe0 [ 2725.861429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2725.861429][ T10] ___sys_sendmsg+0xee/0x170 [ 2725.861429][ T10] __sys_sendmsg+0xcd/0x170 [ 2725.861429][ T10] do_syscall_64+0xc6/0x1e0 [ 2725.861429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2725.861429][ T10] [ 2725.863482][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2725.863482][ T10] netdev_get_by_index+0x5e/0x80 [ 2725.863482][ T10] fib6_nh_init+0x3d8/0x1580 [ 2725.863482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2725.863482][ T10] ip6_route_add+0x1c/0x140 [ 2725.863482][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2725.863482][ T10] addrconf_add_dev+0xe2/0x170 [ 2725.863482][ T10] inet6_addr_add+0x12f/0xa40 [ 2725.863482][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2725.863482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2725.863482][ T10] netlink_rcv_skb+0x130/0x360 [ 2725.863482][ T10] netlink_unicast+0x449/0x710 [ 2725.863482][ T10] netlink_sendmsg+0x723/0xbe0 [ 2725.863482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2725.863482][ T10] ___sys_sendmsg+0xee/0x170 [ 2725.863482][ T10] __sys_sendmsg+0xcd/0x170 [ 2725.863482][ T10] do_syscall_64+0xc6/0x1e0 [ 2725.863482][ T10] [ 2725.865530][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2725.865530][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2725.865530][ T10] ipv6_find_idev+0x102/0x170 [ 2725.865530][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2725.865530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2725.865530][ T10] netlink_rcv_skb+0x130/0x360 [ 2725.865530][ T10] netlink_unicast+0x449/0x710 [ 2725.865530][ T10] netlink_sendmsg+0x723/0xbe0 [ 2725.865530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2725.865530][ T10] ___sys_sendmsg+0xee/0x170 [ 2725.865530][ T10] __sys_sendmsg+0xcd/0x170 [ 2725.865530][ T10] do_syscall_64+0xc6/0x1e0 [ 2725.865530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2725.865530][ T10] [ 2725.867099][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2725.867099][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2725.867099][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2725.867099][ T10] ipv6_find_idev+0x102/0x170 [ 2725.867099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2725.867099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2725.867099][ T10] netlink_rcv_skb+0x130/0x360 [ 2725.867099][ T10] netlink_unicast+0x449/0x710 [ 2725.867099][ T10] netlink_sendmsg+0x723/0xbe0 [ 2725.867099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2725.867099][ T10] ___sys_sendmsg+0xee/0x170 [ 2725.867099][ T10] __sys_sendmsg+0xcd/0x170 [ 2725.867099][ T10] do_syscall_64+0xc6/0x1e0 [ 2725.867099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2725.867099][ T10] [ 2725.868834][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2725.869107][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2725.869107][ T10] netdev_get_by_index+0x5e/0x80 [ 2725.869107][ T10] fib6_nh_init+0x3d8/0x1580 [ 2725.869107][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2725.869107][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2725.869107][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2725.869107][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2725.869107][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2725.869107][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2725.869107][ T10] addrconf_dad_begin+0x310/0x670 [ 2725.869107][ T10] addrconf_dad_work+0x10b/0xab0 [ 2725.869107][ T10] process_one_work+0x84d/0x18a0 [ 2725.869107][ T10] worker_thread+0x587/0xd30 [ 2725.869107][ T10] kthread+0x28a/0x350 [ 2725.869107][ T10] ret_from_fork+0x31/0x70 [ 2725.869107][ T10] ret_from_fork_asm+0x1a/0x30 [ 2725.869107][ T10] [ 2725.871084][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2725.871084][ T10] netdev_get_by_index+0x5e/0x80 [ 2725.871084][ T10] fib6_nh_init+0x3d8/0x1580 [ 2725.871084][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2725.871084][ T10] ip6_route_add+0x1c/0x140 [ 2725.871084][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2725.871084][ T10] inet6_addr_add+0x4f8/0xa40 [ 2725.871084][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2725.871084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2725.871084][ T10] netlink_rcv_skb+0x130/0x360 [ 2725.871084][ T10] netlink_unicast+0x449/0x710 [ 2725.871084][ T10] netlink_sendmsg+0x723/0xbe0 [ 2725.871084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2725.871084][ T10] ___sys_sendmsg+0xee/0x170 [ 2725.871084][ T10] __sys_sendmsg+0xcd/0x170 [ 2725.871084][ T10] do_syscall_64+0xc6/0x1e0 [ 2725.871084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2725.871084][ T10] [ 2725.873117][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2725.873117][ T10] netdev_get_by_index+0x5e/0x80 [ 2725.873117][ T10] fib6_nh_init+0x3d8/0x1580 [ 2725.873117][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2725.873117][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2725.873117][ T10] ipv6_add_addr+0x411/0x2000 [ 2725.873117][ T10] inet6_addr_add+0x30e/0xa40 [ 2725.873117][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2725.873117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2725.873117][ T10] netlink_rcv_skb+0x130/0x360 [ 2725.873117][ T10] netlink_unicast+0x449/0x710 [ 2725.873117][ T10] netlink_sendmsg+0x723/0xbe0 [ 2725.873117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2725.873117][ T10] ___sys_sendmsg+0xee/0x170 [ 2725.873117][ T10] __sys_sendmsg+0xcd/0x170 [ 2725.873117][ T10] do_syscall_64+0xc6/0x1e0 [ 2725.873117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2725.873117][ T10] [ 2725.875184][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2725.875184][ T10] netdev_get_by_index+0x5e/0x80 [ 2725.875184][ T10] fib6_nh_init+0x3d8/0x1580 [ 2725.875184][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2725.875184][ T10] ip6_route_add+0x1c/0x140 [ 2725.875184][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2725.875184][ T10] addrconf_add_dev+0xe2/0x170 [ 2725.875184][ T10] inet6_addr_add+0x12f/0xa40 [ 2725.875184][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2725.875184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2725.875184][ T10] netlink_rcv_skb+0x130/0x360 [ 2725.875184][ T10] netlink_unicast+0x449/0x710 [ 2725.875184][ T10] netlink_sendmsg+0x723/0xbe0 [ 2725.875184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2725.875184][ T10] ___sys_sendmsg+0xee/0x170 [ 2725.875184][ T10] __sys_sendmsg+0xcd/0x170 [ 2725.875184][ T10] do_syscall_64+0xc6/0x1e0 [ 2725.875184][ T10] [ 2725.877181][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2725.877181][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2725.877181][ T10] ipv6_find_idev+0x102/0x170 [ 2725.877181][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2725.877181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2725.877181][ T10] netlink_rcv_skb+0x130/0x360 [ 2725.877181][ T10] netlink_unicast+0x449/0x710 [ 2725.877181][ T10] netlink_sendmsg+0x723/0xbe0 [ 2725.877181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2725.877181][ T10] ___sys_sendmsg+0xee/0x170 [ 2725.877181][ T10] __sys_sendmsg+0xcd/0x170 [ 2725.877181][ T10] do_syscall_64+0xc6/0x1e0 [ 2725.877181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2725.877181][ T10] [ 2725.879160][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2725.879160][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2725.879160][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2725.879160][ T10] ipv6_find_idev+0x102/0x170 [ 2725.879160][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2725.879160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2725.879160][ T10] netlink_rcv_skb+0x130/0x360 [ 2725.879160][ T10] netlink_unicast+0x449/0x710 [ 2725.879160][ T10] netlink_sendmsg+0x723/0xbe0 [ 2725.879160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2725.879160][ T10] ___sys_sendmsg+0xee/0x170 [ 2725.879160][ T10] __sys_sendmsg+0xcd/0x170 [ 2725.879160][ T10] do_syscall_64+0xc6/0x1e0 [ 2725.879160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2725.879160][ T10] [ 2725.880885][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2725.881613][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2725.881613][ T10] netdev_get_by_index+0x5e/0x80 [ 2725.881613][ T10] fib6_nh_init+0x3d8/0x1580 [ 2725.881613][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2725.881613][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2725.881613][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2725.881613][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2725.881613][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2725.881613][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2725.881613][ T10] addrconf_dad_begin+0x310/0x670 [ 2725.881613][ T10] addrconf_dad_work+0x10b/0xab0 [ 2725.881613][ T10] process_one_work+0x84d/0x18a0 [ 2725.881613][ T10] worker_thread+0x587/0xd30 [ 2725.881613][ T10] kthread+0x28a/0x350 [ 2725.881613][ T10] ret_from_fork+0x31/0x70 [ 2725.881613][ T10] ret_from_fork_asm+0x1a/0x30 [ 2725.881613][ T10] [ 2725.883569][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2725.883569][ T10] netdev_get_by_index+0x5e/0x80 [ 2725.883569][ T10] fib6_nh_init+0x3d8/0x1580 [ 2725.883569][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2725.883569][ T10] ip6_route_add+0x1c/0x140 [ 2725.883569][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2725.883569][ T10] inet6_addr_add+0x4f8/0xa40 [ 2725.883569][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2725.883569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2725.883569][ T10] netlink_rcv_skb+0x130/0x360 [ 2725.883569][ T10] netlink_unicast+0x449/0x710 [ 2725.883569][ T10] netlink_sendmsg+0x723/0xbe0 [ 2725.883569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2725.883569][ T10] ___sys_sendmsg+0xee/0x170 [ 2725.883569][ T10] __sys_sendmsg+0xcd/0x170 [ 2725.883569][ T10] do_syscall_64+0xc6/0x1e0 [ 2725.883569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2725.883569][ T10] [ 2725.885637][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2725.885637][ T10] netdev_get_by_index+0x5e/0x80 [ 2725.885637][ T10] fib6_nh_init+0x3d8/0x1580 [ 2725.885637][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2725.885637][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2725.885637][ T10] ipv6_add_addr+0x411/0x2000 [ 2725.885637][ T10] inet6_addr_add+0x30e/0xa40 [ 2725.885637][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2725.885637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2725.885637][ T10] netlink_rcv_skb+0x130/0x360 [ 2725.885637][ T10] netlink_unicast+0x449/0x710 [ 2725.885637][ T10] netlink_sendmsg+0x723/0xbe0 [ 2725.885637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2725.885637][ T10] ___sys_sendmsg+0xee/0x170 [ 2725.885637][ T10] __sys_sendmsg+0xcd/0x170 [ 2725.885637][ T10] do_syscall_64+0xc6/0x1e0 [ 2725.885637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2725.885637][ T10] [ 2725.887729][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2725.887729][ T10] netdev_get_by_index+0x5e/0x80 [ 2725.887729][ T10] fib6_nh_init+0x3d8/0x1580 [ 2725.887729][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2725.887729][ T10] ip6_route_add+0x1c/0x140 [ 2725.887729][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2725.887729][ T10] addrconf_add_dev+0xe2/0x170 [ 2725.887729][ T10] inet6_addr_add+0x12f/0xa40 [ 2725.887729][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2725.887729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2725.887729][ T10] netlink_rcv_skb+0x130/0x360 [ 2725.887729][ T10] netlink_unicast+0x449/0x710 [ 2725.887729][ T10] netlink_sendmsg+0x723/0xbe0 [ 2725.887729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2725.887729][ T10] ___sys_sendmsg+0xee/0x170 [ 2725.887729][ T10] __sys_sendmsg+0xcd/0x170 [ 2725.887729][ T10] do_syscall_64+0xc6/0x1e0 [ 2725.887729][ T10] [ 2725.889992][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2725.889992][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2725.889992][ T10] ipv6_find_idev+0x102/0x170 [ 2725.889992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2725.889992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2725.889992][ T10] netlink_rcv_skb+0x130/0x360 [ 2725.889992][ T10] netlink_unicast+0x449/0x710 [ 2725.889992][ T10] netlink_sendmsg+0x723/0xbe0 [ 2725.889992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2725.889992][ T10] ___sys_sendmsg+0xee/0x170 [ 2725.889992][ T10] __sys_sendmsg+0xcd/0x170 [ 2725.889992][ T10] do_syscall_64+0xc6/0x1e0 [ 2725.889992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2725.889992][ T10] [ 2725.892312][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2725.892312][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2725.892312][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2725.892312][ T10] ipv6_find_idev+0x102/0x170 [ 2725.892312][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2725.892312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2725.892312][ T10] netlink_rcv_skb+0x130/0x360 [ 2725.892312][ T10] netlink_unicast+0x449/0x710 [ 2725.892312][ T10] netlink_sendmsg+0x723/0xbe0 [ 2725.892312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2725.892312][ T10] ___sys_sendmsg+0xee/0x170 [ 2725.892312][ T10] __sys_sendmsg+0xcd/0x170 [ 2725.892312][ T10] do_syscall_64+0xc6/0x1e0 [ 2725.892312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2725.892312][ T10] [ 2725.894284][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2725.894587][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2725.894587][ T10] netdev_get_by_index+0x5e/0x80 [ 2725.894587][ T10] fib6_nh_init+0x3d8/0x1580 [ 2725.894587][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2725.894587][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2725.894587][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2725.894587][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2725.894587][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2725.894587][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2725.894587][ T10] addrconf_dad_begin+0x310/0x670 [ 2725.894587][ T10] addrconf_dad_work+0x10b/0xab0 [ 2725.894587][ T10] process_one_work+0x84d/0x18a0 [ 2725.894587][ T10] worker_thread+0x587/0xd30 [ 2725.894587][ T10] kthread+0x28a/0x350 [ 2725.894587][ T10] ret_from_fork+0x31/0x70 [ 2725.894587][ T10] ret_from_fork_asm+0x1a/0x30 [ 2725.894587][ T10] [ 2725.896703][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2725.896703][ T10] netdev_get_by_index+0x5e/0x80 [ 2725.896703][ T10] fib6_nh_init+0x3d8/0x1580 [ 2725.896703][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2725.896703][ T10] ip6_route_add+0x1c/0x140 [ 2725.896703][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2725.896703][ T10] inet6_addr_add+0x4f8/0xa40 [ 2725.896703][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2725.896703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2725.896703][ T10] netlink_rcv_skb+0x130/0x360 [ 2725.896703][ T10] netlink_unicast+0x449/0x710 [ 2725.896703][ T10] netlink_sendmsg+0x723/0xbe0 [ 2725.896703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2725.896703][ T10] ___sys_sendmsg+0xee/0x170 [ 2725.896703][ T10] __sys_sendmsg+0xcd/0x170 [ 2725.896703][ T10] do_syscall_64+0xc6/0x1e0 [ 2725.896703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2725.896703][ T10] [ 2725.898979][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2725.898979][ T10] netdev_get_by_index+0x5e/0x80 [ 2725.898979][ T10] fib6_nh_init+0x3d8/0x1580 [ 2725.898979][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2725.898979][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2725.898979][ T10] ipv6_add_addr+0x411/0x2000 [ 2725.898979][ T10] inet6_addr_add+0x30e/0xa40 [ 2725.898979][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2725.898979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2725.898979][ T10] netlink_rcv_skb+0x130/0x360 [ 2725.898979][ T10] netlink_unicast+0x449/0x710 [ 2725.898979][ T10] netlink_sendmsg+0x723/0xbe0 [ 2725.898979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2725.898979][ T10] ___sys_sendmsg+0xee/0x170 [ 2725.898979][ T10] __sys_sendmsg+0xcd/0x170 [ 2725.898979][ T10] do_syscall_64+0xc6/0x1e0 [ 2725.898979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2725.898979][ T10] [ 2725.901310][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2725.901310][ T10] netdev_get_by_index+0x5e/0x80 [ 2725.901310][ T10] fib6_nh_init+0x3d8/0x1580 [ 2725.901310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2725.901310][ T10] ip6_route_add+0x1c/0x140 [ 2725.901310][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2725.901310][ T10] addrconf_add_dev+0xe2/0x170 [ 2725.901310][ T10] inet6_addr_add+0x12f/0xa40 [ 2725.901310][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2725.901310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2725.901310][ T10] netlink_rcv_skb+0x130/0x360 [ 2725.901310][ T10] netlink_unicast+0x449/0x710 [ 2725.901310][ T10] netlink_sendmsg+0x723/0xbe0 [ 2725.901310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2725.901310][ T10] ___sys_sendmsg+0xee/0x170 [ 2725.901310][ T10] __sys_sendmsg+0xcd/0x170 [ 2725.901310][ T10] do_syscall_64+0xc6/0x1e0 [ 2725.901310][ T10] [ 2725.903503][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2725.903503][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2725.903503][ T10] ipv6_find_idev+0x102/0x170 [ 2725.903503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2725.903503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2725.903503][ T10] netlink_rcv_skb+0x130/0x360 [ 2725.903503][ T10] netlink_unicast+0x449/0x710 [ 2725.903503][ T10] netlink_sendmsg+0x723/0xbe0 [ 2725.903503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2725.903503][ T10] ___sys_sendmsg+0xee/0x170 [ 2725.903503][ T10] __sys_sendmsg+0xcd/0x170 [ 2725.903503][ T10] do_syscall_64+0xc6/0x1e0 [ 2725.903503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2725.903503][ T10] [ 2725.905670][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2725.905670][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2725.905670][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2725.905670][ T10] ipv6_find_idev+0x102/0x170 [ 2725.905670][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2725.905670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2725.905670][ T10] netlink_rcv_skb+0x130/0x360 [ 2725.905670][ T10] netlink_unicast+0x449/0x710 [ 2725.905670][ T10] netlink_sendmsg+0x723/0xbe0 [ 2725.905670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2725.905670][ T10] ___sys_sendmsg+0xee/0x170 [ 2725.905670][ T10] __sys_sendmsg+0xcd/0x170 [ 2725.905670][ T10] do_syscall_64+0xc6/0x1e0 [ 2725.905670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2725.905670][ T10] [ 2728.601102][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2728.601536][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2728.601536][ T1167] dst_init+0x84/0x4a0 [ 2728.601536][ T1167] dst_alloc+0x97/0x150 [ 2728.601536][ T1167] ip6_dst_alloc+0x23/0x90 [ 2728.601536][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2728.601536][ T1167] ip6_pol_route+0x56f/0x840 [ 2728.601536][ T1167] fib6_rule_lookup+0x334/0x630 [ 2728.601536][ T1167] ip6_route_output_flags+0x259/0x480 [ 2728.601536][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2728.601536][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2728.601536][ T1167] netlink_rcv_skb+0x130/0x360 [ 2728.601536][ T1167] netlink_unicast+0x449/0x710 [ 2728.601536][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2728.601536][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2728.601536][ T1167] ___sys_sendmsg+0xee/0x170 [ 2728.601536][ T1167] __sys_sendmsg+0xcd/0x170 [ 2728.601536][ T1167] do_syscall_64+0xc6/0x1e0 [ 2728.601536][ T1167] [ 2728.603754][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2728.603754][ T1167] netdev_get_by_index+0x5e/0x80 [ 2728.603754][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2728.603754][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2728.603754][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2728.603754][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2728.603754][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2728.603754][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2728.603754][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2728.603754][ T1167] addrconf_dad_begin+0x310/0x670 [ 2728.603754][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2728.603754][ T1167] process_one_work+0x84d/0x18a0 [ 2728.603754][ T1167] worker_thread+0x587/0xd30 [ 2728.603754][ T1167] kthread+0x28a/0x350 [ 2728.603754][ T1167] ret_from_fork+0x31/0x70 [ 2728.603754][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2728.603754][ T1167] [ 2728.605929][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2728.605929][ T1167] netdev_get_by_index+0x5e/0x80 [ 2728.605929][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2728.605929][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2728.605929][ T1167] ip6_route_add+0x1c/0x140 [ 2728.605929][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2728.605929][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2728.605929][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2728.605929][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.605929][ T1167] netlink_rcv_skb+0x130/0x360 [ 2728.605929][ T1167] netlink_unicast+0x449/0x710 [ 2728.605929][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2728.605929][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2728.605929][ T1167] ___sys_sendmsg+0xee/0x170 [ 2728.605929][ T1167] __sys_sendmsg+0xcd/0x170 [ 2728.605929][ T1167] do_syscall_64+0xc6/0x1e0 [ 2728.605929][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2728.605929][ T1167] [ 2728.608264][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2728.608264][ T1167] netdev_get_by_index+0x5e/0x80 [ 2728.608264][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2728.608264][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2728.608264][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2728.608264][ T1167] ipv6_add_addr+0x411/0x2000 [ 2728.608264][ T1167] inet6_addr_add+0x30e/0xa40 [ 2728.608264][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2728.608264][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.608264][ T1167] netlink_rcv_skb+0x130/0x360 [ 2728.608264][ T1167] netlink_unicast+0x449/0x710 [ 2728.608264][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2728.608264][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2728.608264][ T1167] ___sys_sendmsg+0xee/0x170 [ 2728.608264][ T1167] __sys_sendmsg+0xcd/0x170 [ 2728.608264][ T1167] do_syscall_64+0xc6/0x1e0 [ 2728.608264][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2728.608264][ T1167] [ 2728.610527][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2728.610527][ T1167] netdev_get_by_index+0x5e/0x80 [ 2728.610527][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2728.610527][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2728.610527][ T1167] ip6_route_add+0x1c/0x140 [ 2728.610527][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2728.610527][ T1167] addrconf_add_dev+0xe2/0x170 [ 2728.610527][ T1167] inet6_addr_add+0x12f/0xa40 [ 2728.610527][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2728.610527][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.610527][ T1167] netlink_rcv_skb+0x130/0x360 [ 2728.610527][ T1167] netlink_unicast+0x449/0x710 [ 2728.610527][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2728.610527][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2728.610527][ T1167] ___sys_sendmsg+0xee/0x170 [ 2728.610527][ T1167] __sys_sendmsg+0xcd/0x170 [ 2728.610527][ T1167] do_syscall_64+0xc6/0x1e0 [ 2728.610527][ T1167] [ 2728.612780][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2728.612780][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2728.612780][ T1167] ipv6_find_idev+0x102/0x170 [ 2728.612780][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2728.612780][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.612780][ T1167] netlink_rcv_skb+0x130/0x360 [ 2728.612780][ T1167] netlink_unicast+0x449/0x710 [ 2728.612780][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2728.612780][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2728.612780][ T1167] ___sys_sendmsg+0xee/0x170 [ 2728.612780][ T1167] __sys_sendmsg+0xcd/0x170 [ 2728.612780][ T1167] do_syscall_64+0xc6/0x1e0 [ 2728.612780][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2728.612780][ T1167] [ 2728.614597][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2728.614597][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2728.614597][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2728.614597][ T1167] ipv6_find_idev+0x102/0x170 [ 2728.614597][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2728.614597][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.614597][ T1167] netlink_rcv_skb+0x130/0x360 [ 2728.614597][ T1167] netlink_unicast+0x449/0x710 [ 2728.614597][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2728.614597][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2728.614597][ T1167] ___sys_sendmsg+0xee/0x170 [ 2728.614597][ T1167] __sys_sendmsg+0xcd/0x170 [ 2728.614597][ T1167] do_syscall_64+0xc6/0x1e0 [ 2728.614597][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2728.614597][ T1167] [ 2736.145111][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2736.145493][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2736.145493][ T10] netdev_get_by_index+0x5e/0x80 [ 2736.145493][ T10] fib6_nh_init+0x3d8/0x1580 [ 2736.145493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2736.145493][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2736.145493][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2736.145493][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2736.145493][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2736.145493][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2736.145493][ T10] addrconf_dad_begin+0x310/0x670 [ 2736.145493][ T10] addrconf_dad_work+0x10b/0xab0 [ 2736.145493][ T10] process_one_work+0x84d/0x18a0 [ 2736.145493][ T10] worker_thread+0x587/0xd30 [ 2736.145493][ T10] kthread+0x28a/0x350 [ 2736.145493][ T10] ret_from_fork+0x31/0x70 [ 2736.145493][ T10] ret_from_fork_asm+0x1a/0x30 [ 2736.145493][ T10] [ 2736.147428][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2736.147428][ T10] netdev_get_by_index+0x5e/0x80 [ 2736.147428][ T10] fib6_nh_init+0x3d8/0x1580 [ 2736.147428][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2736.147428][ T10] ip6_route_add+0x1c/0x140 [ 2736.147428][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2736.147428][ T10] inet6_addr_add+0x4f8/0xa40 [ 2736.147428][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2736.147428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2736.147428][ T10] netlink_rcv_skb+0x130/0x360 [ 2736.147428][ T10] netlink_unicast+0x449/0x710 [ 2736.147428][ T10] netlink_sendmsg+0x723/0xbe0 [ 2736.147428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2736.147428][ T10] ___sys_sendmsg+0xee/0x170 [ 2736.147428][ T10] __sys_sendmsg+0xcd/0x170 [ 2736.147428][ T10] do_syscall_64+0xc6/0x1e0 [ 2736.147428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2736.147428][ T10] [ 2736.149457][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2736.149457][ T10] netdev_get_by_index+0x5e/0x80 [ 2736.149457][ T10] fib6_nh_init+0x3d8/0x1580 [ 2736.149457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2736.149457][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2736.149457][ T10] ipv6_add_addr+0x411/0x2000 [ 2736.149457][ T10] inet6_addr_add+0x30e/0xa40 [ 2736.149457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2736.149457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2736.149457][ T10] netlink_rcv_skb+0x130/0x360 [ 2736.149457][ T10] netlink_unicast+0x449/0x710 [ 2736.149457][ T10] netlink_sendmsg+0x723/0xbe0 [ 2736.149457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2736.149457][ T10] ___sys_sendmsg+0xee/0x170 [ 2736.149457][ T10] __sys_sendmsg+0xcd/0x170 [ 2736.149457][ T10] do_syscall_64+0xc6/0x1e0 [ 2736.149457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2736.149457][ T10] [ 2736.151476][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2736.151476][ T10] netdev_get_by_index+0x5e/0x80 [ 2736.151476][ T10] fib6_nh_init+0x3d8/0x1580 [ 2736.151476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2736.151476][ T10] ip6_route_add+0x1c/0x140 [ 2736.151476][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2736.151476][ T10] addrconf_add_dev+0xe2/0x170 [ 2736.151476][ T10] inet6_addr_add+0x12f/0xa40 [ 2736.151476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2736.151476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2736.151476][ T10] netlink_rcv_skb+0x130/0x360 [ 2736.151476][ T10] netlink_unicast+0x449/0x710 [ 2736.151476][ T10] netlink_sendmsg+0x723/0xbe0 [ 2736.151476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2736.151476][ T10] ___sys_sendmsg+0xee/0x170 [ 2736.151476][ T10] __sys_sendmsg+0xcd/0x170 [ 2736.151476][ T10] do_syscall_64+0xc6/0x1e0 [ 2736.151476][ T10] [ 2736.153454][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2736.153454][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2736.153454][ T10] ipv6_find_idev+0x102/0x170 [ 2736.153454][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2736.153454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2736.153454][ T10] netlink_rcv_skb+0x130/0x360 [ 2736.153454][ T10] netlink_unicast+0x449/0x710 [ 2736.153454][ T10] netlink_sendmsg+0x723/0xbe0 [ 2736.153454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2736.153454][ T10] ___sys_sendmsg+0xee/0x170 [ 2736.153454][ T10] __sys_sendmsg+0xcd/0x170 [ 2736.153454][ T10] do_syscall_64+0xc6/0x1e0 [ 2736.153454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2736.153454][ T10] [ 2736.154993][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2736.154993][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2736.154993][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2736.154993][ T10] ipv6_find_idev+0x102/0x170 [ 2736.154993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2736.154993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2736.154993][ T10] netlink_rcv_skb+0x130/0x360 [ 2736.154993][ T10] netlink_unicast+0x449/0x710 [ 2736.154993][ T10] netlink_sendmsg+0x723/0xbe0 [ 2736.154993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2736.154993][ T10] ___sys_sendmsg+0xee/0x170 [ 2736.154993][ T10] __sys_sendmsg+0xcd/0x170 [ 2736.154993][ T10] do_syscall_64+0xc6/0x1e0 [ 2736.154993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2736.154993][ T10] [ 2736.156707][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2736.156957][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2736.156957][ T10] netdev_get_by_index+0x5e/0x80 [ 2736.156957][ T10] fib6_nh_init+0x3d8/0x1580 [ 2736.156957][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2736.156957][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2736.156957][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2736.156957][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2736.156957][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2736.156957][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2736.156957][ T10] addrconf_dad_begin+0x310/0x670 [ 2736.156957][ T10] addrconf_dad_work+0x10b/0xab0 [ 2736.156957][ T10] process_one_work+0x84d/0x18a0 [ 2736.156957][ T10] worker_thread+0x587/0xd30 [ 2736.156957][ T10] kthread+0x28a/0x350 [ 2736.156957][ T10] ret_from_fork+0x31/0x70 [ 2736.156957][ T10] ret_from_fork_asm+0x1a/0x30 [ 2736.156957][ T10] [ 2736.158873][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2736.158873][ T10] netdev_get_by_index+0x5e/0x80 [ 2736.158873][ T10] fib6_nh_init+0x3d8/0x1580 [ 2736.158873][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2736.158873][ T10] ip6_route_add+0x1c/0x140 [ 2736.158873][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2736.158873][ T10] inet6_addr_add+0x4f8/0xa40 [ 2736.158873][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2736.158873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2736.158873][ T10] netlink_rcv_skb+0x130/0x360 [ 2736.158873][ T10] netlink_unicast+0x449/0x710 [ 2736.158873][ T10] netlink_sendmsg+0x723/0xbe0 [ 2736.158873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2736.158873][ T10] ___sys_sendmsg+0xee/0x170 [ 2736.158873][ T10] __sys_sendmsg+0xcd/0x170 [ 2736.158873][ T10] do_syscall_64+0xc6/0x1e0 [ 2736.158873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2736.158873][ T10] [ 2736.160894][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2736.160894][ T10] netdev_get_by_index+0x5e/0x80 [ 2736.160894][ T10] fib6_nh_init+0x3d8/0x1580 [ 2736.160894][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2736.160894][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2736.160894][ T10] ipv6_add_addr+0x411/0x2000 [ 2736.160894][ T10] inet6_addr_add+0x30e/0xa40 [ 2736.160894][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2736.160894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2736.160894][ T10] netlink_rcv_skb+0x130/0x360 [ 2736.160894][ T10] netlink_unicast+0x449/0x710 [ 2736.160894][ T10] netlink_sendmsg+0x723/0xbe0 [ 2736.160894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2736.160894][ T10] ___sys_sendmsg+0xee/0x170 [ 2736.160894][ T10] __sys_sendmsg+0xcd/0x170 [ 2736.160894][ T10] do_syscall_64+0xc6/0x1e0 [ 2736.160894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2736.160894][ T10] [ 2736.162916][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2736.162916][ T10] netdev_get_by_index+0x5e/0x80 [ 2736.162916][ T10] fib6_nh_init+0x3d8/0x1580 [ 2736.162916][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2736.162916][ T10] ip6_route_add+0x1c/0x140 [ 2736.162916][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2736.162916][ T10] addrconf_add_dev+0xe2/0x170 [ 2736.162916][ T10] inet6_addr_add+0x12f/0xa40 [ 2736.162916][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2736.162916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2736.162916][ T10] netlink_rcv_skb+0x130/0x360 [ 2736.162916][ T10] netlink_unicast+0x449/0x710 [ 2736.162916][ T10] netlink_sendmsg+0x723/0xbe0 [ 2736.162916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2736.162916][ T10] ___sys_sendmsg+0xee/0x170 [ 2736.162916][ T10] __sys_sendmsg+0xcd/0x170 [ 2736.162916][ T10] do_syscall_64+0xc6/0x1e0 [ 2736.162916][ T10] [ 2736.164905][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2736.164905][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2736.164905][ T10] ipv6_find_idev+0x102/0x170 [ 2736.164905][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2736.164905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2736.164905][ T10] netlink_rcv_skb+0x130/0x360 [ 2736.164905][ T10] netlink_unicast+0x449/0x710 [ 2736.164905][ T10] netlink_sendmsg+0x723/0xbe0 [ 2736.164905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2736.164905][ T10] ___sys_sendmsg+0xee/0x170 [ 2736.164905][ T10] __sys_sendmsg+0xcd/0x170 [ 2736.164905][ T10] do_syscall_64+0xc6/0x1e0 [ 2736.164905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2736.164905][ T10] [ 2736.166469][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2736.166469][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2736.166469][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2736.166469][ T10] ipv6_find_idev+0x102/0x170 [ 2736.166469][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2736.166469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2736.166469][ T10] netlink_rcv_skb+0x130/0x360 [ 2736.166469][ T10] netlink_unicast+0x449/0x710 [ 2736.166469][ T10] netlink_sendmsg+0x723/0xbe0 [ 2736.166469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2736.166469][ T10] ___sys_sendmsg+0xee/0x170 [ 2736.166469][ T10] __sys_sendmsg+0xcd/0x170 [ 2736.166469][ T10] do_syscall_64+0xc6/0x1e0 [ 2736.166469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2736.166469][ T10] [ 2736.168186][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2736.168437][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2736.168437][ T10] netdev_get_by_index+0x5e/0x80 [ 2736.168437][ T10] fib6_nh_init+0x3d8/0x1580 [ 2736.168437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2736.168437][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2736.168437][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2736.168437][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2736.168437][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2736.168437][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2736.168437][ T10] addrconf_dad_begin+0x310/0x670 [ 2736.168437][ T10] addrconf_dad_work+0x10b/0xab0 [ 2736.168437][ T10] process_one_work+0x84d/0x18a0 [ 2736.168437][ T10] worker_thread+0x587/0xd30 [ 2736.168437][ T10] kthread+0x28a/0x350 [ 2736.168437][ T10] ret_from_fork+0x31/0x70 [ 2736.168437][ T10] ret_from_fork_asm+0x1a/0x30 [ 2736.168437][ T10] [ 2736.170349][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2736.170349][ T10] netdev_get_by_index+0x5e/0x80 [ 2736.170349][ T10] fib6_nh_init+0x3d8/0x1580 [ 2736.170349][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2736.170349][ T10] ip6_route_add+0x1c/0x140 [ 2736.170349][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2736.170349][ T10] inet6_addr_add+0x4f8/0xa40 [ 2736.170349][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2736.170349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2736.170349][ T10] netlink_rcv_skb+0x130/0x360 [ 2736.170349][ T10] netlink_unicast+0x449/0x710 [ 2736.170349][ T10] netlink_sendmsg+0x723/0xbe0 [ 2736.170349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2736.170349][ T10] ___sys_sendmsg+0xee/0x170 [ 2736.170349][ T10] __sys_sendmsg+0xcd/0x170 [ 2736.170349][ T10] do_syscall_64+0xc6/0x1e0 [ 2736.170349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2736.170349][ T10] [ 2736.172545][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2736.172545][ T10] netdev_get_by_index+0x5e/0x80 [ 2736.172545][ T10] fib6_nh_init+0x3d8/0x1580 [ 2736.172545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2736.172545][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2736.172545][ T10] ipv6_add_addr+0x411/0x2000 [ 2736.172545][ T10] inet6_addr_add+0x30e/0xa40 [ 2736.172545][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2736.172545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2736.172545][ T10] netlink_rcv_skb+0x130/0x360 [ 2736.172545][ T10] netlink_unicast+0x449/0x710 [ 2736.172545][ T10] netlink_sendmsg+0x723/0xbe0 [ 2736.172545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2736.172545][ T10] ___sys_sendmsg+0xee/0x170 [ 2736.172545][ T10] __sys_sendmsg+0xcd/0x170 [ 2736.172545][ T10] do_syscall_64+0xc6/0x1e0 [ 2736.172545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2736.172545][ T10] [ 2736.174855][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2736.174855][ T10] netdev_get_by_index+0x5e/0x80 [ 2736.174855][ T10] fib6_nh_init+0x3d8/0x1580 [ 2736.174855][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2736.174855][ T10] ip6_route_add+0x1c/0x140 [ 2736.174855][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2736.174855][ T10] addrconf_add_dev+0xe2/0x170 [ 2736.174855][ T10] inet6_addr_add+0x12f/0xa40 [ 2736.174855][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2736.174855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2736.174855][ T10] netlink_rcv_skb+0x130/0x360 [ 2736.174855][ T10] netlink_unicast+0x449/0x710 [ 2736.174855][ T10] netlink_sendmsg+0x723/0xbe0 [ 2736.174855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2736.174855][ T10] ___sys_sendmsg+0xee/0x170 [ 2736.174855][ T10] __sys_sendmsg+0xcd/0x170 [ 2736.174855][ T10] do_syscall_64+0xc6/0x1e0 [ 2736.174855][ T10] [ 2736.177076][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2736.177076][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2736.177076][ T10] ipv6_find_idev+0x102/0x170 [ 2736.177076][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2736.177076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2736.177076][ T10] netlink_rcv_skb+0x130/0x360 [ 2736.177076][ T10] netlink_unicast+0x449/0x710 [ 2736.177076][ T10] netlink_sendmsg+0x723/0xbe0 [ 2736.177076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2736.177076][ T10] ___sys_sendmsg+0xee/0x170 [ 2736.177076][ T10] __sys_sendmsg+0xcd/0x170 [ 2736.177076][ T10] do_syscall_64+0xc6/0x1e0 [ 2736.177076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2736.177076][ T10] [ 2736.178800][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2736.178800][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2736.178800][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2736.178800][ T10] ipv6_find_idev+0x102/0x170 [ 2736.178800][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2736.178800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2736.178800][ T10] netlink_rcv_skb+0x130/0x360 [ 2736.178800][ T10] netlink_unicast+0x449/0x710 [ 2736.178800][ T10] netlink_sendmsg+0x723/0xbe0 [ 2736.178800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2736.178800][ T10] ___sys_sendmsg+0xee/0x170 [ 2736.178800][ T10] __sys_sendmsg+0xcd/0x170 [ 2736.178800][ T10] do_syscall_64+0xc6/0x1e0 [ 2736.178800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2736.178800][ T10] [ 2736.180692][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2736.180933][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2736.180933][ T10] netdev_get_by_index+0x5e/0x80 [ 2736.180933][ T10] fib6_nh_init+0x3d8/0x1580 [ 2736.180933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2736.180933][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2736.180933][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2736.180933][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2736.180933][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2736.180933][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2736.180933][ T10] addrconf_dad_begin+0x310/0x670 [ 2736.180933][ T10] addrconf_dad_work+0x10b/0xab0 [ 2736.180933][ T10] process_one_work+0x84d/0x18a0 [ 2736.180933][ T10] worker_thread+0x587/0xd30 [ 2736.180933][ T10] kthread+0x28a/0x350 [ 2736.180933][ T10] ret_from_fork+0x31/0x70 [ 2736.180933][ T10] ret_from_fork_asm+0x1a/0x30 [ 2736.180933][ T10] [ 2736.183152][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2736.183152][ T10] netdev_get_by_index+0x5e/0x80 [ 2736.183152][ T10] fib6_nh_init+0x3d8/0x1580 [ 2736.183152][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2736.183152][ T10] ip6_route_add+0x1c/0x140 [ 2736.183152][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2736.183152][ T10] inet6_addr_add+0x4f8/0xa40 [ 2736.183152][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2736.183152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2736.183152][ T10] netlink_rcv_skb+0x130/0x360 [ 2736.183152][ T10] netlink_unicast+0x449/0x710 [ 2736.183152][ T10] netlink_sendmsg+0x723/0xbe0 [ 2736.183152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2736.183152][ T10] ___sys_sendmsg+0xee/0x170 [ 2736.183152][ T10] __sys_sendmsg+0xcd/0x170 [ 2736.183152][ T10] do_syscall_64+0xc6/0x1e0 [ 2736.183152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2736.183152][ T10] [ 2736.185409][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2736.185409][ T10] netdev_get_by_index+0x5e/0x80 [ 2736.185409][ T10] fib6_nh_init+0x3d8/0x1580 [ 2736.185409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2736.185409][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2736.185409][ T10] ipv6_add_addr+0x411/0x2000 [ 2736.185409][ T10] inet6_addr_add+0x30e/0xa40 [ 2736.185409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2736.185409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2736.185409][ T10] netlink_rcv_skb+0x130/0x360 [ 2736.185409][ T10] netlink_unicast+0x449/0x710 [ 2736.185409][ T10] netlink_sendmsg+0x723/0xbe0 [ 2736.185409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2736.185409][ T10] ___sys_sendmsg+0xee/0x170 [ 2736.185409][ T10] __sys_sendmsg+0xcd/0x170 [ 2736.185409][ T10] do_syscall_64+0xc6/0x1e0 [ 2736.185409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2736.185409][ T10] [ 2736.187646][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2736.187646][ T10] netdev_get_by_index+0x5e/0x80 [ 2736.187646][ T10] fib6_nh_init+0x3d8/0x1580 [ 2736.187646][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2736.187646][ T10] ip6_route_add+0x1c/0x140 [ 2736.187646][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2736.187646][ T10] addrconf_add_dev+0xe2/0x170 [ 2736.187646][ T10] inet6_addr_add+0x12f/0xa40 [ 2736.187646][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2736.187646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2736.187646][ T10] netlink_rcv_skb+0x130/0x360 [ 2736.187646][ T10] netlink_unicast+0x449/0x710 [ 2736.187646][ T10] netlink_sendmsg+0x723/0xbe0 [ 2736.187646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2736.187646][ T10] ___sys_sendmsg+0xee/0x170 [ 2736.187646][ T10] __sys_sendmsg+0xcd/0x170 [ 2736.187646][ T10] do_syscall_64+0xc6/0x1e0 [ 2736.187646][ T10] [ 2736.189795][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2736.189795][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2736.189795][ T10] ipv6_find_idev+0x102/0x170 [ 2736.189795][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2736.189795][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2736.189795][ T10] netlink_rcv_skb+0x130/0x360 [ 2736.189795][ T10] netlink_unicast+0x449/0x710 [ 2736.189795][ T10] netlink_sendmsg+0x723/0xbe0 [ 2736.189795][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2736.189795][ T10] ___sys_sendmsg+0xee/0x170 [ 2736.189795][ T10] __sys_sendmsg+0xcd/0x170 [ 2736.189795][ T10] do_syscall_64+0xc6/0x1e0 [ 2736.189795][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2736.189795][ T10] [ 2736.191518][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2736.191518][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2736.191518][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2736.191518][ T10] ipv6_find_idev+0x102/0x170 [ 2736.191518][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2736.191518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2736.191518][ T10] netlink_rcv_skb+0x130/0x360 [ 2736.191518][ T10] netlink_unicast+0x449/0x710 [ 2736.191518][ T10] netlink_sendmsg+0x723/0xbe0 [ 2736.191518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2736.191518][ T10] ___sys_sendmsg+0xee/0x170 [ 2736.191518][ T10] __sys_sendmsg+0xcd/0x170 [ 2736.191518][ T10] do_syscall_64+0xc6/0x1e0 [ 2736.191518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2736.191518][ T10] [ 2738.865051][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2738.865553][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2738.865553][ T1167] dst_init+0x84/0x4a0 [ 2738.865553][ T1167] dst_alloc+0x97/0x150 [ 2738.865553][ T1167] ip6_dst_alloc+0x23/0x90 [ 2738.865553][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2738.865553][ T1167] ip6_pol_route+0x56f/0x840 [ 2738.865553][ T1167] fib6_rule_lookup+0x334/0x630 [ 2738.865553][ T1167] ip6_route_output_flags+0x259/0x480 [ 2738.865553][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2738.865553][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2738.865553][ T1167] netlink_rcv_skb+0x130/0x360 [ 2738.865553][ T1167] netlink_unicast+0x449/0x710 [ 2738.865553][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2738.865553][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2738.865553][ T1167] ___sys_sendmsg+0xee/0x170 [ 2738.865553][ T1167] __sys_sendmsg+0xcd/0x170 [ 2738.865553][ T1167] do_syscall_64+0xc6/0x1e0 [ 2738.865553][ T1167] [ 2738.867744][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2738.867744][ T1167] netdev_get_by_index+0x5e/0x80 [ 2738.867744][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2738.867744][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2738.867744][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2738.867744][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2738.867744][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2738.867744][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2738.867744][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2738.867744][ T1167] addrconf_dad_begin+0x310/0x670 [ 2738.867744][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2738.867744][ T1167] process_one_work+0x84d/0x18a0 [ 2738.867744][ T1167] worker_thread+0x587/0xd30 [ 2738.867744][ T1167] kthread+0x28a/0x350 [ 2738.867744][ T1167] ret_from_fork+0x31/0x70 [ 2738.867744][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2738.867744][ T1167] [ 2738.869900][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2738.869900][ T1167] netdev_get_by_index+0x5e/0x80 [ 2738.869900][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2738.869900][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2738.869900][ T1167] ip6_route_add+0x1c/0x140 [ 2738.869900][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2738.869900][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2738.869900][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.869900][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.869900][ T1167] netlink_rcv_skb+0x130/0x360 [ 2738.869900][ T1167] netlink_unicast+0x449/0x710 [ 2738.869900][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2738.869900][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2738.869900][ T1167] ___sys_sendmsg+0xee/0x170 [ 2738.869900][ T1167] __sys_sendmsg+0xcd/0x170 [ 2738.869900][ T1167] do_syscall_64+0xc6/0x1e0 [ 2738.869900][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.869900][ T1167] [ 2738.872125][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2738.872125][ T1167] netdev_get_by_index+0x5e/0x80 [ 2738.872125][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2738.872125][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2738.872125][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2738.872125][ T1167] ipv6_add_addr+0x411/0x2000 [ 2738.872125][ T1167] inet6_addr_add+0x30e/0xa40 [ 2738.872125][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.872125][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.872125][ T1167] netlink_rcv_skb+0x130/0x360 [ 2738.872125][ T1167] netlink_unicast+0x449/0x710 [ 2738.872125][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2738.872125][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2738.872125][ T1167] ___sys_sendmsg+0xee/0x170 [ 2738.872125][ T1167] __sys_sendmsg+0xcd/0x170 [ 2738.872125][ T1167] do_syscall_64+0xc6/0x1e0 [ 2738.872125][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.872125][ T1167] [ 2738.874352][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2738.874352][ T1167] netdev_get_by_index+0x5e/0x80 [ 2738.874352][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2738.874352][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2738.874352][ T1167] ip6_route_add+0x1c/0x140 [ 2738.874352][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2738.874352][ T1167] addrconf_add_dev+0xe2/0x170 [ 2738.874352][ T1167] inet6_addr_add+0x12f/0xa40 [ 2738.874352][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.874352][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.874352][ T1167] netlink_rcv_skb+0x130/0x360 [ 2738.874352][ T1167] netlink_unicast+0x449/0x710 [ 2738.874352][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2738.874352][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2738.874352][ T1167] ___sys_sendmsg+0xee/0x170 [ 2738.874352][ T1167] __sys_sendmsg+0xcd/0x170 [ 2738.874352][ T1167] do_syscall_64+0xc6/0x1e0 [ 2738.874352][ T1167] [ 2738.876576][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2738.876576][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2738.876576][ T1167] ipv6_find_idev+0x102/0x170 [ 2738.876576][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2738.876576][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.876576][ T1167] netlink_rcv_skb+0x130/0x360 [ 2738.876576][ T1167] netlink_unicast+0x449/0x710 [ 2738.876576][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2738.876576][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2738.876576][ T1167] ___sys_sendmsg+0xee/0x170 [ 2738.876576][ T1167] __sys_sendmsg+0xcd/0x170 [ 2738.876576][ T1167] do_syscall_64+0xc6/0x1e0 [ 2738.876576][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.876576][ T1167] [ 2738.878284][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2738.878284][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2738.878284][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2738.878284][ T1167] ipv6_find_idev+0x102/0x170 [ 2738.878284][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2738.878284][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.878284][ T1167] netlink_rcv_skb+0x130/0x360 [ 2738.878284][ T1167] netlink_unicast+0x449/0x710 [ 2738.878284][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2738.878284][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2738.878284][ T1167] ___sys_sendmsg+0xee/0x170 [ 2738.878284][ T1167] __sys_sendmsg+0xcd/0x170 [ 2738.878284][ T1167] do_syscall_64+0xc6/0x1e0 [ 2738.878284][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.878284][ T1167] [ 2746.433056][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2746.433487][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2746.433487][ T10] netdev_get_by_index+0x5e/0x80 [ 2746.433487][ T10] fib6_nh_init+0x3d8/0x1580 [ 2746.433487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2746.433487][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2746.433487][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2746.433487][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2746.433487][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2746.433487][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2746.433487][ T10] addrconf_dad_begin+0x310/0x670 [ 2746.433487][ T10] addrconf_dad_work+0x10b/0xab0 [ 2746.433487][ T10] process_one_work+0x84d/0x18a0 [ 2746.433487][ T10] worker_thread+0x587/0xd30 [ 2746.433487][ T10] kthread+0x28a/0x350 [ 2746.433487][ T10] ret_from_fork+0x31/0x70 [ 2746.433487][ T10] ret_from_fork_asm+0x1a/0x30 [ 2746.433487][ T10] [ 2746.435465][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2746.435465][ T10] netdev_get_by_index+0x5e/0x80 [ 2746.435465][ T10] fib6_nh_init+0x3d8/0x1580 [ 2746.435465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2746.435465][ T10] ip6_route_add+0x1c/0x140 [ 2746.435465][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2746.435465][ T10] inet6_addr_add+0x4f8/0xa40 [ 2746.435465][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2746.435465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2746.435465][ T10] netlink_rcv_skb+0x130/0x360 [ 2746.435465][ T10] netlink_unicast+0x449/0x710 [ 2746.435465][ T10] netlink_sendmsg+0x723/0xbe0 [ 2746.435465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2746.435465][ T10] ___sys_sendmsg+0xee/0x170 [ 2746.435465][ T10] __sys_sendmsg+0xcd/0x170 [ 2746.435465][ T10] do_syscall_64+0xc6/0x1e0 [ 2746.435465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2746.435465][ T10] [ 2746.437469][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2746.437469][ T10] netdev_get_by_index+0x5e/0x80 [ 2746.437469][ T10] fib6_nh_init+0x3d8/0x1580 [ 2746.437469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2746.437469][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2746.437469][ T10] ipv6_add_addr+0x411/0x2000 [ 2746.437469][ T10] inet6_addr_add+0x30e/0xa40 [ 2746.437469][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2746.437469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2746.437469][ T10] netlink_rcv_skb+0x130/0x360 [ 2746.437469][ T10] netlink_unicast+0x449/0x710 [ 2746.437469][ T10] netlink_sendmsg+0x723/0xbe0 [ 2746.437469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2746.437469][ T10] ___sys_sendmsg+0xee/0x170 [ 2746.437469][ T10] __sys_sendmsg+0xcd/0x170 [ 2746.437469][ T10] do_syscall_64+0xc6/0x1e0 [ 2746.437469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2746.437469][ T10] [ 2746.439493][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2746.439493][ T10] netdev_get_by_index+0x5e/0x80 [ 2746.439493][ T10] fib6_nh_init+0x3d8/0x1580 [ 2746.439493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2746.439493][ T10] ip6_route_add+0x1c/0x140 [ 2746.439493][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2746.439493][ T10] addrconf_add_dev+0xe2/0x170 [ 2746.439493][ T10] inet6_addr_add+0x12f/0xa40 [ 2746.439493][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2746.439493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2746.439493][ T10] netlink_rcv_skb+0x130/0x360 [ 2746.439493][ T10] netlink_unicast+0x449/0x710 [ 2746.439493][ T10] netlink_sendmsg+0x723/0xbe0 [ 2746.439493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2746.439493][ T10] ___sys_sendmsg+0xee/0x170 [ 2746.439493][ T10] __sys_sendmsg+0xcd/0x170 [ 2746.439493][ T10] do_syscall_64+0xc6/0x1e0 [ 2746.439493][ T10] [ 2746.441485][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2746.441485][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2746.441485][ T10] ipv6_find_idev+0x102/0x170 [ 2746.441485][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2746.441485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2746.441485][ T10] netlink_rcv_skb+0x130/0x360 [ 2746.441485][ T10] netlink_unicast+0x449/0x710 [ 2746.441485][ T10] netlink_sendmsg+0x723/0xbe0 [ 2746.441485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2746.441485][ T10] ___sys_sendmsg+0xee/0x170 [ 2746.441485][ T10] __sys_sendmsg+0xcd/0x170 [ 2746.441485][ T10] do_syscall_64+0xc6/0x1e0 [ 2746.441485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2746.441485][ T10] [ 2746.443048][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2746.443048][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2746.443048][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2746.443048][ T10] ipv6_find_idev+0x102/0x170 [ 2746.443048][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2746.443048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2746.443048][ T10] netlink_rcv_skb+0x130/0x360 [ 2746.443048][ T10] netlink_unicast+0x449/0x710 [ 2746.443048][ T10] netlink_sendmsg+0x723/0xbe0 [ 2746.443048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2746.443048][ T10] ___sys_sendmsg+0xee/0x170 [ 2746.443048][ T10] __sys_sendmsg+0xcd/0x170 [ 2746.443048][ T10] do_syscall_64+0xc6/0x1e0 [ 2746.443048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2746.443048][ T10] [ 2746.444755][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2746.445012][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2746.445012][ T10] netdev_get_by_index+0x5e/0x80 [ 2746.445012][ T10] fib6_nh_init+0x3d8/0x1580 [ 2746.445012][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2746.445012][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2746.445012][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2746.445012][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2746.445012][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2746.445012][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2746.445012][ T10] addrconf_dad_begin+0x310/0x670 [ 2746.445012][ T10] addrconf_dad_work+0x10b/0xab0 [ 2746.445012][ T10] process_one_work+0x84d/0x18a0 [ 2746.445012][ T10] worker_thread+0x587/0xd30 [ 2746.445012][ T10] kthread+0x28a/0x350 [ 2746.445012][ T10] ret_from_fork+0x31/0x70 [ 2746.445012][ T10] ret_from_fork_asm+0x1a/0x30 [ 2746.445012][ T10] [ 2746.447056][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2746.447056][ T10] netdev_get_by_index+0x5e/0x80 [ 2746.447056][ T10] fib6_nh_init+0x3d8/0x1580 [ 2746.447056][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2746.447056][ T10] ip6_route_add+0x1c/0x140 [ 2746.447056][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2746.447056][ T10] inet6_addr_add+0x4f8/0xa40 [ 2746.447056][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2746.447056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2746.447056][ T10] netlink_rcv_skb+0x130/0x360 [ 2746.447056][ T10] netlink_unicast+0x449/0x710 [ 2746.447056][ T10] netlink_sendmsg+0x723/0xbe0 [ 2746.447056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2746.447056][ T10] ___sys_sendmsg+0xee/0x170 [ 2746.447056][ T10] __sys_sendmsg+0xcd/0x170 [ 2746.447056][ T10] do_syscall_64+0xc6/0x1e0 [ 2746.447056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2746.447056][ T10] [ 2746.449073][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2746.449073][ T10] netdev_get_by_index+0x5e/0x80 [ 2746.449073][ T10] fib6_nh_init+0x3d8/0x1580 [ 2746.449073][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2746.449073][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2746.449073][ T10] ipv6_add_addr+0x411/0x2000 [ 2746.449073][ T10] inet6_addr_add+0x30e/0xa40 [ 2746.449073][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2746.449073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2746.449073][ T10] netlink_rcv_skb+0x130/0x360 [ 2746.449073][ T10] netlink_unicast+0x449/0x710 [ 2746.449073][ T10] netlink_sendmsg+0x723/0xbe0 [ 2746.449073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2746.449073][ T10] ___sys_sendmsg+0xee/0x170 [ 2746.449073][ T10] __sys_sendmsg+0xcd/0x170 [ 2746.449073][ T10] do_syscall_64+0xc6/0x1e0 [ 2746.449073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2746.449073][ T10] [ 2746.451113][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2746.451113][ T10] netdev_get_by_index+0x5e/0x80 [ 2746.451113][ T10] fib6_nh_init+0x3d8/0x1580 [ 2746.451113][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2746.451113][ T10] ip6_route_add+0x1c/0x140 [ 2746.451113][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2746.451113][ T10] addrconf_add_dev+0xe2/0x170 [ 2746.451113][ T10] inet6_addr_add+0x12f/0xa40 [ 2746.451113][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2746.451113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2746.451113][ T10] netlink_rcv_skb+0x130/0x360 [ 2746.451113][ T10] netlink_unicast+0x449/0x710 [ 2746.451113][ T10] netlink_sendmsg+0x723/0xbe0 [ 2746.451113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2746.451113][ T10] ___sys_sendmsg+0xee/0x170 [ 2746.451113][ T10] __sys_sendmsg+0xcd/0x170 [ 2746.451113][ T10] do_syscall_64+0xc6/0x1e0 [ 2746.451113][ T10] [ 2746.453088][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2746.453088][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2746.453088][ T10] ipv6_find_idev+0x102/0x170 [ 2746.453088][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2746.453088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2746.453088][ T10] netlink_rcv_skb+0x130/0x360 [ 2746.453088][ T10] netlink_unicast+0x449/0x710 [ 2746.453088][ T10] netlink_sendmsg+0x723/0xbe0 [ 2746.453088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2746.453088][ T10] ___sys_sendmsg+0xee/0x170 [ 2746.453088][ T10] __sys_sendmsg+0xcd/0x170 [ 2746.453088][ T10] do_syscall_64+0xc6/0x1e0 [ 2746.453088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2746.453088][ T10] [ 2746.454652][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2746.454652][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2746.454652][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2746.454652][ T10] ipv6_find_idev+0x102/0x170 [ 2746.454652][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2746.454652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2746.454652][ T10] netlink_rcv_skb+0x130/0x360 [ 2746.454652][ T10] netlink_unicast+0x449/0x710 [ 2746.454652][ T10] netlink_sendmsg+0x723/0xbe0 [ 2746.454652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2746.454652][ T10] ___sys_sendmsg+0xee/0x170 [ 2746.454652][ T10] __sys_sendmsg+0xcd/0x170 [ 2746.454652][ T10] do_syscall_64+0xc6/0x1e0 [ 2746.454652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2746.454652][ T10] [ 2746.456364][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2746.456627][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2746.456627][ T10] netdev_get_by_index+0x5e/0x80 [ 2746.456627][ T10] fib6_nh_init+0x3d8/0x1580 [ 2746.456627][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2746.456627][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2746.456627][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2746.456627][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2746.456627][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2746.456627][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2746.456627][ T10] addrconf_dad_begin+0x310/0x670 [ 2746.456627][ T10] addrconf_dad_work+0x10b/0xab0 [ 2746.456627][ T10] process_one_work+0x84d/0x18a0 [ 2746.456627][ T10] worker_thread+0x587/0xd30 [ 2746.456627][ T10] kthread+0x28a/0x350 [ 2746.456627][ T10] ret_from_fork+0x31/0x70 [ 2746.456627][ T10] ret_from_fork_asm+0x1a/0x30 [ 2746.456627][ T10] [ 2746.458576][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2746.458576][ T10] netdev_get_by_index+0x5e/0x80 [ 2746.458576][ T10] fib6_nh_init+0x3d8/0x1580 [ 2746.458576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2746.458576][ T10] ip6_route_add+0x1c/0x140 [ 2746.458576][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2746.458576][ T10] inet6_addr_add+0x4f8/0xa40 [ 2746.458576][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2746.458576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2746.458576][ T10] netlink_rcv_skb+0x130/0x360 [ 2746.458576][ T10] netlink_unicast+0x449/0x710 [ 2746.458576][ T10] netlink_sendmsg+0x723/0xbe0 [ 2746.458576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2746.458576][ T10] ___sys_sendmsg+0xee/0x170 [ 2746.458576][ T10] __sys_sendmsg+0xcd/0x170 [ 2746.458576][ T10] do_syscall_64+0xc6/0x1e0 [ 2746.458576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2746.458576][ T10] [ 2746.460665][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2746.460665][ T10] netdev_get_by_index+0x5e/0x80 [ 2746.460665][ T10] fib6_nh_init+0x3d8/0x1580 [ 2746.460665][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2746.460665][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2746.460665][ T10] ipv6_add_addr+0x411/0x2000 [ 2746.460665][ T10] inet6_addr_add+0x30e/0xa40 [ 2746.460665][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2746.460665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2746.460665][ T10] netlink_rcv_skb+0x130/0x360 [ 2746.460665][ T10] netlink_unicast+0x449/0x710 [ 2746.460665][ T10] netlink_sendmsg+0x723/0xbe0 [ 2746.460665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2746.460665][ T10] ___sys_sendmsg+0xee/0x170 [ 2746.460665][ T10] __sys_sendmsg+0xcd/0x170 [ 2746.460665][ T10] do_syscall_64+0xc6/0x1e0 [ 2746.460665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2746.460665][ T10] [ 2746.462845][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2746.462845][ T10] netdev_get_by_index+0x5e/0x80 [ 2746.462845][ T10] fib6_nh_init+0x3d8/0x1580 [ 2746.462845][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2746.462845][ T10] ip6_route_add+0x1c/0x140 [ 2746.462845][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2746.462845][ T10] addrconf_add_dev+0xe2/0x170 [ 2746.462845][ T10] inet6_addr_add+0x12f/0xa40 [ 2746.462845][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2746.462845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2746.462845][ T10] netlink_rcv_skb+0x130/0x360 [ 2746.462845][ T10] netlink_unicast+0x449/0x710 [ 2746.462845][ T10] netlink_sendmsg+0x723/0xbe0 [ 2746.462845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2746.462845][ T10] ___sys_sendmsg+0xee/0x170 [ 2746.462845][ T10] __sys_sendmsg+0xcd/0x170 [ 2746.462845][ T10] do_syscall_64+0xc6/0x1e0 [ 2746.462845][ T10] [ 2746.464904][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2746.464904][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2746.464904][ T10] ipv6_find_idev+0x102/0x170 [ 2746.464904][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2746.464904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2746.464904][ T10] netlink_rcv_skb+0x130/0x360 [ 2746.464904][ T10] netlink_unicast+0x449/0x710 [ 2746.464904][ T10] netlink_sendmsg+0x723/0xbe0 [ 2746.464904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2746.464904][ T10] ___sys_sendmsg+0xee/0x170 [ 2746.464904][ T10] __sys_sendmsg+0xcd/0x170 [ 2746.464904][ T10] do_syscall_64+0xc6/0x1e0 [ 2746.464904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2746.464904][ T10] [ 2746.466550][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2746.466550][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2746.466550][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2746.466550][ T10] ipv6_find_idev+0x102/0x170 [ 2746.466550][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2746.466550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2746.466550][ T10] netlink_rcv_skb+0x130/0x360 [ 2746.466550][ T10] netlink_unicast+0x449/0x710 [ 2746.466550][ T10] netlink_sendmsg+0x723/0xbe0 [ 2746.466550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2746.466550][ T10] ___sys_sendmsg+0xee/0x170 [ 2746.466550][ T10] __sys_sendmsg+0xcd/0x170 [ 2746.466550][ T10] do_syscall_64+0xc6/0x1e0 [ 2746.466550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2746.466550][ T10] [ 2746.468360][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2746.468605][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2746.468605][ T10] netdev_get_by_index+0x5e/0x80 [ 2746.468605][ T10] fib6_nh_init+0x3d8/0x1580 [ 2746.468605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2746.468605][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2746.468605][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2746.468605][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2746.468605][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2746.468605][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2746.468605][ T10] addrconf_dad_begin+0x310/0x670 [ 2746.468605][ T10] addrconf_dad_work+0x10b/0xab0 [ 2746.468605][ T10] process_one_work+0x84d/0x18a0 [ 2746.468605][ T10] worker_thread+0x587/0xd30 [ 2746.468605][ T10] kthread+0x28a/0x350 [ 2746.468605][ T10] ret_from_fork+0x31/0x70 [ 2746.468605][ T10] ret_from_fork_asm+0x1a/0x30 [ 2746.468605][ T10] [ 2746.470625][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2746.470625][ T10] netdev_get_by_index+0x5e/0x80 [ 2746.470625][ T10] fib6_nh_init+0x3d8/0x1580 [ 2746.470625][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2746.470625][ T10] ip6_route_add+0x1c/0x140 [ 2746.470625][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2746.470625][ T10] inet6_addr_add+0x4f8/0xa40 [ 2746.470625][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2746.470625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2746.470625][ T10] netlink_rcv_skb+0x130/0x360 [ 2746.470625][ T10] netlink_unicast+0x449/0x710 [ 2746.470625][ T10] netlink_sendmsg+0x723/0xbe0 [ 2746.470625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2746.470625][ T10] ___sys_sendmsg+0xee/0x170 [ 2746.470625][ T10] __sys_sendmsg+0xcd/0x170 [ 2746.470625][ T10] do_syscall_64+0xc6/0x1e0 [ 2746.470625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2746.470625][ T10] [ 2746.472801][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2746.472801][ T10] netdev_get_by_index+0x5e/0x80 [ 2746.472801][ T10] fib6_nh_init+0x3d8/0x1580 [ 2746.472801][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2746.472801][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2746.472801][ T10] ipv6_add_addr+0x411/0x2000 [ 2746.472801][ T10] inet6_addr_add+0x30e/0xa40 [ 2746.472801][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2746.472801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2746.472801][ T10] netlink_rcv_skb+0x130/0x360 [ 2746.472801][ T10] netlink_unicast+0x449/0x710 [ 2746.472801][ T10] netlink_sendmsg+0x723/0xbe0 [ 2746.472801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2746.472801][ T10] ___sys_sendmsg+0xee/0x170 [ 2746.472801][ T10] __sys_sendmsg+0xcd/0x170 [ 2746.472801][ T10] do_syscall_64+0xc6/0x1e0 [ 2746.472801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2746.472801][ T10] [ 2746.474900][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2746.474900][ T10] netdev_get_by_index+0x5e/0x80 [ 2746.474900][ T10] fib6_nh_init+0x3d8/0x1580 [ 2746.474900][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2746.474900][ T10] ip6_route_add+0x1c/0x140 [ 2746.474900][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2746.474900][ T10] addrconf_add_dev+0xe2/0x170 [ 2746.474900][ T10] inet6_addr_add+0x12f/0xa40 [ 2746.474900][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2746.474900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2746.474900][ T10] netlink_rcv_skb+0x130/0x360 [ 2746.474900][ T10] netlink_unicast+0x449/0x710 [ 2746.474900][ T10] netlink_sendmsg+0x723/0xbe0 [ 2746.474900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2746.474900][ T10] ___sys_sendmsg+0xee/0x170 [ 2746.474900][ T10] __sys_sendmsg+0xcd/0x170 [ 2746.474900][ T10] do_syscall_64+0xc6/0x1e0 [ 2746.474900][ T10] [ 2746.476956][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2746.476956][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2746.476956][ T10] ipv6_find_idev+0x102/0x170 [ 2746.476956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2746.476956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2746.476956][ T10] netlink_rcv_skb+0x130/0x360 [ 2746.476956][ T10] netlink_unicast+0x449/0x710 [ 2746.476956][ T10] netlink_sendmsg+0x723/0xbe0 [ 2746.476956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2746.476956][ T10] ___sys_sendmsg+0xee/0x170 [ 2746.476956][ T10] __sys_sendmsg+0xcd/0x170 [ 2746.476956][ T10] do_syscall_64+0xc6/0x1e0 [ 2746.476956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2746.476956][ T10] [ 2746.478595][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2746.478595][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2746.478595][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2746.478595][ T10] ipv6_find_idev+0x102/0x170 [ 2746.478595][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2746.478595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2746.478595][ T10] netlink_rcv_skb+0x130/0x360 [ 2746.478595][ T10] netlink_unicast+0x449/0x710 [ 2746.478595][ T10] netlink_sendmsg+0x723/0xbe0 [ 2746.478595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2746.478595][ T10] ___sys_sendmsg+0xee/0x170 [ 2746.478595][ T10] __sys_sendmsg+0xcd/0x170 [ 2746.478595][ T10] do_syscall_64+0xc6/0x1e0 [ 2746.478595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2746.478595][ T10] [ 2749.129116][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2749.129526][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2749.129526][ T1167] dst_init+0x84/0x4a0 [ 2749.129526][ T1167] dst_alloc+0x97/0x150 [ 2749.129526][ T1167] ip6_dst_alloc+0x23/0x90 [ 2749.129526][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2749.129526][ T1167] ip6_pol_route+0x56f/0x840 [ 2749.129526][ T1167] fib6_rule_lookup+0x334/0x630 [ 2749.129526][ T1167] ip6_route_output_flags+0x259/0x480 [ 2749.129526][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2749.129526][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2749.129526][ T1167] netlink_rcv_skb+0x130/0x360 [ 2749.129526][ T1167] netlink_unicast+0x449/0x710 [ 2749.129526][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2749.129526][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2749.129526][ T1167] ___sys_sendmsg+0xee/0x170 [ 2749.129526][ T1167] __sys_sendmsg+0xcd/0x170 [ 2749.129526][ T1167] do_syscall_64+0xc6/0x1e0 [ 2749.129526][ T1167] [ 2749.131861][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2749.131861][ T1167] netdev_get_by_index+0x5e/0x80 [ 2749.131861][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2749.131861][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2749.131861][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2749.131861][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2749.131861][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2749.131861][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2749.131861][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2749.131861][ T1167] addrconf_dad_begin+0x310/0x670 [ 2749.131861][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2749.131861][ T1167] process_one_work+0x84d/0x18a0 [ 2749.131861][ T1167] worker_thread+0x587/0xd30 [ 2749.131861][ T1167] kthread+0x28a/0x350 [ 2749.131861][ T1167] ret_from_fork+0x31/0x70 [ 2749.131861][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2749.131861][ T1167] [ 2749.133997][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2749.133997][ T1167] netdev_get_by_index+0x5e/0x80 [ 2749.133997][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2749.133997][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2749.133997][ T1167] ip6_route_add+0x1c/0x140 [ 2749.133997][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2749.133997][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2749.133997][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2749.133997][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2749.133997][ T1167] netlink_rcv_skb+0x130/0x360 [ 2749.133997][ T1167] netlink_unicast+0x449/0x710 [ 2749.133997][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2749.133997][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2749.133997][ T1167] ___sys_sendmsg+0xee/0x170 [ 2749.133997][ T1167] __sys_sendmsg+0xcd/0x170 [ 2749.133997][ T1167] do_syscall_64+0xc6/0x1e0 [ 2749.133997][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2749.133997][ T1167] [ 2749.136254][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2749.136254][ T1167] netdev_get_by_index+0x5e/0x80 [ 2749.136254][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2749.136254][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2749.136254][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2749.136254][ T1167] ipv6_add_addr+0x411/0x2000 [ 2749.136254][ T1167] inet6_addr_add+0x30e/0xa40 [ 2749.136254][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2749.136254][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2749.136254][ T1167] netlink_rcv_skb+0x130/0x360 [ 2749.136254][ T1167] netlink_unicast+0x449/0x710 [ 2749.136254][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2749.136254][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2749.136254][ T1167] ___sys_sendmsg+0xee/0x170 [ 2749.136254][ T1167] __sys_sendmsg+0xcd/0x170 [ 2749.136254][ T1167] do_syscall_64+0xc6/0x1e0 [ 2749.136254][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2749.136254][ T1167] [ 2749.138488][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2749.138488][ T1167] netdev_get_by_index+0x5e/0x80 [ 2749.138488][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2749.138488][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2749.138488][ T1167] ip6_route_add+0x1c/0x140 [ 2749.138488][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2749.138488][ T1167] addrconf_add_dev+0xe2/0x170 [ 2749.138488][ T1167] inet6_addr_add+0x12f/0xa40 [ 2749.138488][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2749.138488][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2749.138488][ T1167] netlink_rcv_skb+0x130/0x360 [ 2749.138488][ T1167] netlink_unicast+0x449/0x710 [ 2749.138488][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2749.138488][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2749.138488][ T1167] ___sys_sendmsg+0xee/0x170 [ 2749.138488][ T1167] __sys_sendmsg+0xcd/0x170 [ 2749.138488][ T1167] do_syscall_64+0xc6/0x1e0 [ 2749.138488][ T1167] [ 2749.141200][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2749.141200][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2749.141200][ T1167] ipv6_find_idev+0x102/0x170 [ 2749.141200][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2749.141200][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2749.141200][ T1167] netlink_rcv_skb+0x130/0x360 [ 2749.141200][ T1167] netlink_unicast+0x449/0x710 [ 2749.141200][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2749.141200][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2749.141200][ T1167] ___sys_sendmsg+0xee/0x170 [ 2749.141200][ T1167] __sys_sendmsg+0xcd/0x170 [ 2749.141200][ T1167] do_syscall_64+0xc6/0x1e0 [ 2749.141200][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2749.141200][ T1167] [ 2749.142924][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2749.142924][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2749.142924][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2749.142924][ T1167] ipv6_find_idev+0x102/0x170 [ 2749.142924][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2749.142924][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2749.142924][ T1167] netlink_rcv_skb+0x130/0x360 [ 2749.142924][ T1167] netlink_unicast+0x449/0x710 [ 2749.142924][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2749.142924][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2749.142924][ T1167] ___sys_sendmsg+0xee/0x170 [ 2749.142924][ T1167] __sys_sendmsg+0xcd/0x170 [ 2749.142924][ T1167] do_syscall_64+0xc6/0x1e0 [ 2749.142924][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2749.142924][ T1167] [ 2756.521113][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2756.521556][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2756.521556][ T10] netdev_get_by_index+0x5e/0x80 [ 2756.521556][ T10] fib6_nh_init+0x3d8/0x1580 [ 2756.521556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2756.521556][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2756.521556][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2756.521556][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2756.521556][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2756.521556][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2756.521556][ T10] addrconf_dad_begin+0x310/0x670 [ 2756.521556][ T10] addrconf_dad_work+0x10b/0xab0 [ 2756.521556][ T10] process_one_work+0x84d/0x18a0 [ 2756.521556][ T10] worker_thread+0x587/0xd30 [ 2756.521556][ T10] kthread+0x28a/0x350 [ 2756.521556][ T10] ret_from_fork+0x31/0x70 [ 2756.521556][ T10] ret_from_fork_asm+0x1a/0x30 [ 2756.521556][ T10] [ 2756.523894][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2756.523894][ T10] netdev_get_by_index+0x5e/0x80 [ 2756.523894][ T10] fib6_nh_init+0x3d8/0x1580 [ 2756.523894][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2756.523894][ T10] ip6_route_add+0x1c/0x140 [ 2756.523894][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2756.523894][ T10] inet6_addr_add+0x4f8/0xa40 [ 2756.523894][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2756.523894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2756.523894][ T10] netlink_rcv_skb+0x130/0x360 [ 2756.523894][ T10] netlink_unicast+0x449/0x710 [ 2756.523894][ T10] netlink_sendmsg+0x723/0xbe0 [ 2756.523894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2756.523894][ T10] ___sys_sendmsg+0xee/0x170 [ 2756.523894][ T10] __sys_sendmsg+0xcd/0x170 [ 2756.523894][ T10] do_syscall_64+0xc6/0x1e0 [ 2756.523894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2756.523894][ T10] [ 2756.525917][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2756.525917][ T10] netdev_get_by_index+0x5e/0x80 [ 2756.525917][ T10] fib6_nh_init+0x3d8/0x1580 [ 2756.525917][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2756.525917][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2756.525917][ T10] ipv6_add_addr+0x411/0x2000 [ 2756.525917][ T10] inet6_addr_add+0x30e/0xa40 [ 2756.525917][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2756.525917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2756.525917][ T10] netlink_rcv_skb+0x130/0x360 [ 2756.525917][ T10] netlink_unicast+0x449/0x710 [ 2756.525917][ T10] netlink_sendmsg+0x723/0xbe0 [ 2756.525917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2756.525917][ T10] ___sys_sendmsg+0xee/0x170 [ 2756.525917][ T10] __sys_sendmsg+0xcd/0x170 [ 2756.525917][ T10] do_syscall_64+0xc6/0x1e0 [ 2756.525917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2756.525917][ T10] [ 2756.527913][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2756.527913][ T10] netdev_get_by_index+0x5e/0x80 [ 2756.527913][ T10] fib6_nh_init+0x3d8/0x1580 [ 2756.527913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2756.527913][ T10] ip6_route_add+0x1c/0x140 [ 2756.527913][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2756.527913][ T10] addrconf_add_dev+0xe2/0x170 [ 2756.527913][ T10] inet6_addr_add+0x12f/0xa40 [ 2756.527913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2756.527913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2756.527913][ T10] netlink_rcv_skb+0x130/0x360 [ 2756.527913][ T10] netlink_unicast+0x449/0x710 [ 2756.527913][ T10] netlink_sendmsg+0x723/0xbe0 [ 2756.527913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2756.527913][ T10] ___sys_sendmsg+0xee/0x170 [ 2756.527913][ T10] __sys_sendmsg+0xcd/0x170 [ 2756.527913][ T10] do_syscall_64+0xc6/0x1e0 [ 2756.527913][ T10] [ 2756.529890][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2756.529890][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2756.529890][ T10] ipv6_find_idev+0x102/0x170 [ 2756.529890][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2756.529890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2756.529890][ T10] netlink_rcv_skb+0x130/0x360 [ 2756.529890][ T10] netlink_unicast+0x449/0x710 [ 2756.529890][ T10] netlink_sendmsg+0x723/0xbe0 [ 2756.529890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2756.529890][ T10] ___sys_sendmsg+0xee/0x170 [ 2756.529890][ T10] __sys_sendmsg+0xcd/0x170 [ 2756.529890][ T10] do_syscall_64+0xc6/0x1e0 [ 2756.529890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2756.529890][ T10] [ 2756.531433][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2756.531433][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2756.531433][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2756.531433][ T10] ipv6_find_idev+0x102/0x170 [ 2756.531433][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2756.531433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2756.531433][ T10] netlink_rcv_skb+0x130/0x360 [ 2756.531433][ T10] netlink_unicast+0x449/0x710 [ 2756.531433][ T10] netlink_sendmsg+0x723/0xbe0 [ 2756.531433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2756.531433][ T10] ___sys_sendmsg+0xee/0x170 [ 2756.531433][ T10] __sys_sendmsg+0xcd/0x170 [ 2756.531433][ T10] do_syscall_64+0xc6/0x1e0 [ 2756.531433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2756.531433][ T10] [ 2756.533149][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2756.533396][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2756.533396][ T10] netdev_get_by_index+0x5e/0x80 [ 2756.533396][ T10] fib6_nh_init+0x3d8/0x1580 [ 2756.533396][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2756.533396][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2756.533396][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2756.533396][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2756.533396][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2756.533396][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2756.533396][ T10] addrconf_dad_begin+0x310/0x670 [ 2756.533396][ T10] addrconf_dad_work+0x10b/0xab0 [ 2756.533396][ T10] process_one_work+0x84d/0x18a0 [ 2756.533396][ T10] worker_thread+0x587/0xd30 [ 2756.533396][ T10] kthread+0x28a/0x350 [ 2756.533396][ T10] ret_from_fork+0x31/0x70 [ 2756.533396][ T10] ret_from_fork_asm+0x1a/0x30 [ 2756.533396][ T10] [ 2756.535319][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2756.535319][ T10] netdev_get_by_index+0x5e/0x80 [ 2756.535319][ T10] fib6_nh_init+0x3d8/0x1580 [ 2756.535319][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2756.535319][ T10] ip6_route_add+0x1c/0x140 [ 2756.535319][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2756.535319][ T10] inet6_addr_add+0x4f8/0xa40 [ 2756.535319][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2756.535319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2756.535319][ T10] netlink_rcv_skb+0x130/0x360 [ 2756.535319][ T10] netlink_unicast+0x449/0x710 [ 2756.535319][ T10] netlink_sendmsg+0x723/0xbe0 [ 2756.535319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2756.535319][ T10] ___sys_sendmsg+0xee/0x170 [ 2756.535319][ T10] __sys_sendmsg+0xcd/0x170 [ 2756.535319][ T10] do_syscall_64+0xc6/0x1e0 [ 2756.535319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2756.535319][ T10] [ 2756.537316][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2756.537316][ T10] netdev_get_by_index+0x5e/0x80 [ 2756.537316][ T10] fib6_nh_init+0x3d8/0x1580 [ 2756.537316][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2756.537316][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2756.537316][ T10] ipv6_add_addr+0x411/0x2000 [ 2756.537316][ T10] inet6_addr_add+0x30e/0xa40 [ 2756.537316][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2756.537316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2756.537316][ T10] netlink_rcv_skb+0x130/0x360 [ 2756.537316][ T10] netlink_unicast+0x449/0x710 [ 2756.537316][ T10] netlink_sendmsg+0x723/0xbe0 [ 2756.537316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2756.537316][ T10] ___sys_sendmsg+0xee/0x170 [ 2756.537316][ T10] __sys_sendmsg+0xcd/0x170 [ 2756.537316][ T10] do_syscall_64+0xc6/0x1e0 [ 2756.537316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2756.537316][ T10] [ 2756.539318][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2756.539318][ T10] netdev_get_by_index+0x5e/0x80 [ 2756.539318][ T10] fib6_nh_init+0x3d8/0x1580 [ 2756.539318][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2756.539318][ T10] ip6_route_add+0x1c/0x140 [ 2756.539318][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2756.539318][ T10] addrconf_add_dev+0xe2/0x170 [ 2756.539318][ T10] inet6_addr_add+0x12f/0xa40 [ 2756.539318][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2756.539318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2756.539318][ T10] netlink_rcv_skb+0x130/0x360 [ 2756.539318][ T10] netlink_unicast+0x449/0x710 [ 2756.539318][ T10] netlink_sendmsg+0x723/0xbe0 [ 2756.539318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2756.539318][ T10] ___sys_sendmsg+0xee/0x170 [ 2756.539318][ T10] __sys_sendmsg+0xcd/0x170 [ 2756.539318][ T10] do_syscall_64+0xc6/0x1e0 [ 2756.539318][ T10] [ 2756.541289][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2756.541289][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2756.541289][ T10] ipv6_find_idev+0x102/0x170 [ 2756.541289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2756.541289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2756.541289][ T10] netlink_rcv_skb+0x130/0x360 [ 2756.541289][ T10] netlink_unicast+0x449/0x710 [ 2756.541289][ T10] netlink_sendmsg+0x723/0xbe0 [ 2756.541289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2756.541289][ T10] ___sys_sendmsg+0xee/0x170 [ 2756.541289][ T10] __sys_sendmsg+0xcd/0x170 [ 2756.541289][ T10] do_syscall_64+0xc6/0x1e0 [ 2756.541289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2756.541289][ T10] [ 2756.542873][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2756.542873][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2756.542873][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2756.542873][ T10] ipv6_find_idev+0x102/0x170 [ 2756.542873][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2756.542873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2756.542873][ T10] netlink_rcv_skb+0x130/0x360 [ 2756.542873][ T10] netlink_unicast+0x449/0x710 [ 2756.542873][ T10] netlink_sendmsg+0x723/0xbe0 [ 2756.542873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2756.542873][ T10] ___sys_sendmsg+0xee/0x170 [ 2756.542873][ T10] __sys_sendmsg+0xcd/0x170 [ 2756.542873][ T10] do_syscall_64+0xc6/0x1e0 [ 2756.542873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2756.542873][ T10] [ 2756.544593][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2756.544838][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2756.544838][ T10] netdev_get_by_index+0x5e/0x80 [ 2756.544838][ T10] fib6_nh_init+0x3d8/0x1580 [ 2756.544838][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2756.544838][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2756.544838][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2756.544838][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2756.544838][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2756.544838][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2756.544838][ T10] addrconf_dad_begin+0x310/0x670 [ 2756.544838][ T10] addrconf_dad_work+0x10b/0xab0 [ 2756.544838][ T10] process_one_work+0x84d/0x18a0 [ 2756.544838][ T10] worker_thread+0x587/0xd30 [ 2756.544838][ T10] kthread+0x28a/0x350 [ 2756.544838][ T10] ret_from_fork+0x31/0x70 [ 2756.544838][ T10] ret_from_fork_asm+0x1a/0x30 [ 2756.544838][ T10] [ 2756.546792][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2756.546792][ T10] netdev_get_by_index+0x5e/0x80 [ 2756.546792][ T10] fib6_nh_init+0x3d8/0x1580 [ 2756.546792][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2756.546792][ T10] ip6_route_add+0x1c/0x140 [ 2756.546792][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2756.546792][ T10] inet6_addr_add+0x4f8/0xa40 [ 2756.546792][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2756.546792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2756.546792][ T10] netlink_rcv_skb+0x130/0x360 [ 2756.546792][ T10] netlink_unicast+0x449/0x710 [ 2756.546792][ T10] netlink_sendmsg+0x723/0xbe0 [ 2756.546792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2756.546792][ T10] ___sys_sendmsg+0xee/0x170 [ 2756.546792][ T10] __sys_sendmsg+0xcd/0x170 [ 2756.546792][ T10] do_syscall_64+0xc6/0x1e0 [ 2756.546792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2756.546792][ T10] [ 2756.549030][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2756.549030][ T10] netdev_get_by_index+0x5e/0x80 [ 2756.549030][ T10] fib6_nh_init+0x3d8/0x1580 [ 2756.549030][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2756.549030][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2756.549030][ T10] ipv6_add_addr+0x411/0x2000 [ 2756.549030][ T10] inet6_addr_add+0x30e/0xa40 [ 2756.549030][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2756.549030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2756.549030][ T10] netlink_rcv_skb+0x130/0x360 [ 2756.549030][ T10] netlink_unicast+0x449/0x710 [ 2756.549030][ T10] netlink_sendmsg+0x723/0xbe0 [ 2756.549030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2756.549030][ T10] ___sys_sendmsg+0xee/0x170 [ 2756.549030][ T10] __sys_sendmsg+0xcd/0x170 [ 2756.549030][ T10] do_syscall_64+0xc6/0x1e0 [ 2756.549030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2756.549030][ T10] [ 2756.551328][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2756.551328][ T10] netdev_get_by_index+0x5e/0x80 [ 2756.551328][ T10] fib6_nh_init+0x3d8/0x1580 [ 2756.551328][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2756.551328][ T10] ip6_route_add+0x1c/0x140 [ 2756.551328][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2756.551328][ T10] addrconf_add_dev+0xe2/0x170 [ 2756.551328][ T10] inet6_addr_add+0x12f/0xa40 [ 2756.551328][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2756.551328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2756.551328][ T10] netlink_rcv_skb+0x130/0x360 [ 2756.551328][ T10] netlink_unicast+0x449/0x710 [ 2756.551328][ T10] netlink_sendmsg+0x723/0xbe0 [ 2756.551328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2756.551328][ T10] ___sys_sendmsg+0xee/0x170 [ 2756.551328][ T10] __sys_sendmsg+0xcd/0x170 [ 2756.551328][ T10] do_syscall_64+0xc6/0x1e0 [ 2756.551328][ T10] [ 2756.553623][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2756.553623][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2756.553623][ T10] ipv6_find_idev+0x102/0x170 [ 2756.553623][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2756.553623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2756.553623][ T10] netlink_rcv_skb+0x130/0x360 [ 2756.553623][ T10] netlink_unicast+0x449/0x710 [ 2756.553623][ T10] netlink_sendmsg+0x723/0xbe0 [ 2756.553623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2756.553623][ T10] ___sys_sendmsg+0xee/0x170 [ 2756.553623][ T10] __sys_sendmsg+0xcd/0x170 [ 2756.553623][ T10] do_syscall_64+0xc6/0x1e0 [ 2756.553623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2756.553623][ T10] [ 2756.555359][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2756.555359][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2756.555359][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2756.555359][ T10] ipv6_find_idev+0x102/0x170 [ 2756.555359][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2756.555359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2756.555359][ T10] netlink_rcv_skb+0x130/0x360 [ 2756.555359][ T10] netlink_unicast+0x449/0x710 [ 2756.555359][ T10] netlink_sendmsg+0x723/0xbe0 [ 2756.555359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2756.555359][ T10] ___sys_sendmsg+0xee/0x170 [ 2756.555359][ T10] __sys_sendmsg+0xcd/0x170 [ 2756.555359][ T10] do_syscall_64+0xc6/0x1e0 [ 2756.555359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2756.555359][ T10] [ 2756.557238][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2756.557481][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2756.557481][ T10] netdev_get_by_index+0x5e/0x80 [ 2756.557481][ T10] fib6_nh_init+0x3d8/0x1580 [ 2756.557481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2756.557481][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2756.557481][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2756.557481][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2756.557481][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2756.557481][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2756.557481][ T10] addrconf_dad_begin+0x310/0x670 [ 2756.557481][ T10] addrconf_dad_work+0x10b/0xab0 [ 2756.557481][ T10] process_one_work+0x84d/0x18a0 [ 2756.557481][ T10] worker_thread+0x587/0xd30 [ 2756.557481][ T10] kthread+0x28a/0x350 [ 2756.557481][ T10] ret_from_fork+0x31/0x70 [ 2756.557481][ T10] ret_from_fork_asm+0x1a/0x30 [ 2756.557481][ T10] [ 2756.559685][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2756.559685][ T10] netdev_get_by_index+0x5e/0x80 [ 2756.559685][ T10] fib6_nh_init+0x3d8/0x1580 [ 2756.559685][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2756.559685][ T10] ip6_route_add+0x1c/0x140 [ 2756.559685][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2756.559685][ T10] inet6_addr_add+0x4f8/0xa40 [ 2756.559685][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2756.559685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2756.559685][ T10] netlink_rcv_skb+0x130/0x360 [ 2756.559685][ T10] netlink_unicast+0x449/0x710 [ 2756.559685][ T10] netlink_sendmsg+0x723/0xbe0 [ 2756.559685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2756.559685][ T10] ___sys_sendmsg+0xee/0x170 [ 2756.559685][ T10] __sys_sendmsg+0xcd/0x170 [ 2756.559685][ T10] do_syscall_64+0xc6/0x1e0 [ 2756.559685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2756.559685][ T10] [ 2756.561957][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2756.561957][ T10] netdev_get_by_index+0x5e/0x80 [ 2756.561957][ T10] fib6_nh_init+0x3d8/0x1580 [ 2756.561957][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2756.561957][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2756.561957][ T10] ipv6_add_addr+0x411/0x2000 [ 2756.561957][ T10] inet6_addr_add+0x30e/0xa40 [ 2756.561957][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2756.561957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2756.561957][ T10] netlink_rcv_skb+0x130/0x360 [ 2756.561957][ T10] netlink_unicast+0x449/0x710 [ 2756.561957][ T10] netlink_sendmsg+0x723/0xbe0 [ 2756.561957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2756.561957][ T10] ___sys_sendmsg+0xee/0x170 [ 2756.561957][ T10] __sys_sendmsg+0xcd/0x170 [ 2756.561957][ T10] do_syscall_64+0xc6/0x1e0 [ 2756.561957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2756.561957][ T10] [ 2756.564310][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2756.564310][ T10] netdev_get_by_index+0x5e/0x80 [ 2756.564310][ T10] fib6_nh_init+0x3d8/0x1580 [ 2756.564310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2756.564310][ T10] ip6_route_add+0x1c/0x140 [ 2756.564310][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2756.564310][ T10] addrconf_add_dev+0xe2/0x170 [ 2756.564310][ T10] inet6_addr_add+0x12f/0xa40 [ 2756.564310][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2756.564310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2756.564310][ T10] netlink_rcv_skb+0x130/0x360 [ 2756.564310][ T10] netlink_unicast+0x449/0x710 [ 2756.564310][ T10] netlink_sendmsg+0x723/0xbe0 [ 2756.564310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2756.564310][ T10] ___sys_sendmsg+0xee/0x170 [ 2756.564310][ T10] __sys_sendmsg+0xcd/0x170 [ 2756.564310][ T10] do_syscall_64+0xc6/0x1e0 [ 2756.564310][ T10] [ 2756.566551][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2756.566551][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2756.566551][ T10] ipv6_find_idev+0x102/0x170 [ 2756.566551][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2756.566551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2756.566551][ T10] netlink_rcv_skb+0x130/0x360 [ 2756.566551][ T10] netlink_unicast+0x449/0x710 [ 2756.566551][ T10] netlink_sendmsg+0x723/0xbe0 [ 2756.566551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2756.566551][ T10] ___sys_sendmsg+0xee/0x170 [ 2756.566551][ T10] __sys_sendmsg+0xcd/0x170 [ 2756.566551][ T10] do_syscall_64+0xc6/0x1e0 [ 2756.566551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2756.566551][ T10] [ 2756.568302][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2756.568302][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2756.568302][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2756.568302][ T10] ipv6_find_idev+0x102/0x170 [ 2756.568302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2756.568302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2756.568302][ T10] netlink_rcv_skb+0x130/0x360 [ 2756.568302][ T10] netlink_unicast+0x449/0x710 [ 2756.568302][ T10] netlink_sendmsg+0x723/0xbe0 [ 2756.568302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2756.568302][ T10] ___sys_sendmsg+0xee/0x170 [ 2756.568302][ T10] __sys_sendmsg+0xcd/0x170 [ 2756.568302][ T10] do_syscall_64+0xc6/0x1e0 [ 2756.568302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2756.568302][ T10] [ 2759.393041][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2759.393473][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2759.393473][ T1167] dst_init+0x84/0x4a0 [ 2759.393473][ T1167] dst_alloc+0x97/0x150 [ 2759.393473][ T1167] ip6_dst_alloc+0x23/0x90 [ 2759.393473][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2759.393473][ T1167] ip6_pol_route+0x56f/0x840 [ 2759.393473][ T1167] fib6_rule_lookup+0x334/0x630 [ 2759.393473][ T1167] ip6_route_output_flags+0x259/0x480 [ 2759.393473][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2759.393473][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2759.393473][ T1167] netlink_rcv_skb+0x130/0x360 [ 2759.393473][ T1167] netlink_unicast+0x449/0x710 [ 2759.393473][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2759.393473][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2759.393473][ T1167] ___sys_sendmsg+0xee/0x170 [ 2759.393473][ T1167] __sys_sendmsg+0xcd/0x170 [ 2759.393473][ T1167] do_syscall_64+0xc6/0x1e0 [ 2759.393473][ T1167] [ 2759.395692][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2759.395692][ T1167] netdev_get_by_index+0x5e/0x80 [ 2759.395692][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2759.395692][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2759.395692][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2759.395692][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2759.395692][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2759.395692][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2759.395692][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2759.395692][ T1167] addrconf_dad_begin+0x310/0x670 [ 2759.395692][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2759.395692][ T1167] process_one_work+0x84d/0x18a0 [ 2759.395692][ T1167] worker_thread+0x587/0xd30 [ 2759.395692][ T1167] kthread+0x28a/0x350 [ 2759.395692][ T1167] ret_from_fork+0x31/0x70 [ 2759.395692][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2759.395692][ T1167] [ 2759.397849][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2759.397849][ T1167] netdev_get_by_index+0x5e/0x80 [ 2759.397849][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2759.397849][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2759.397849][ T1167] ip6_route_add+0x1c/0x140 [ 2759.397849][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2759.397849][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2759.397849][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2759.397849][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2759.397849][ T1167] netlink_rcv_skb+0x130/0x360 [ 2759.397849][ T1167] netlink_unicast+0x449/0x710 [ 2759.397849][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2759.397849][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2759.397849][ T1167] ___sys_sendmsg+0xee/0x170 [ 2759.397849][ T1167] __sys_sendmsg+0xcd/0x170 [ 2759.397849][ T1167] do_syscall_64+0xc6/0x1e0 [ 2759.397849][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2759.397849][ T1167] [ 2759.400117][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2759.400117][ T1167] netdev_get_by_index+0x5e/0x80 [ 2759.400117][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2759.400117][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2759.400117][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2759.400117][ T1167] ipv6_add_addr+0x411/0x2000 [ 2759.400117][ T1167] inet6_addr_add+0x30e/0xa40 [ 2759.400117][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2759.400117][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2759.400117][ T1167] netlink_rcv_skb+0x130/0x360 [ 2759.400117][ T1167] netlink_unicast+0x449/0x710 [ 2759.400117][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2759.400117][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2759.400117][ T1167] ___sys_sendmsg+0xee/0x170 [ 2759.400117][ T1167] __sys_sendmsg+0xcd/0x170 [ 2759.400117][ T1167] do_syscall_64+0xc6/0x1e0 [ 2759.400117][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2759.400117][ T1167] [ 2759.402385][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2759.402385][ T1167] netdev_get_by_index+0x5e/0x80 [ 2759.402385][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2759.402385][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2759.402385][ T1167] ip6_route_add+0x1c/0x140 [ 2759.402385][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2759.402385][ T1167] addrconf_add_dev+0xe2/0x170 [ 2759.402385][ T1167] inet6_addr_add+0x12f/0xa40 [ 2759.402385][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2759.402385][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2759.402385][ T1167] netlink_rcv_skb+0x130/0x360 [ 2759.402385][ T1167] netlink_unicast+0x449/0x710 [ 2759.402385][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2759.402385][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2759.402385][ T1167] ___sys_sendmsg+0xee/0x170 [ 2759.402385][ T1167] __sys_sendmsg+0xcd/0x170 [ 2759.402385][ T1167] do_syscall_64+0xc6/0x1e0 [ 2759.402385][ T1167] [ 2759.404616][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2759.404616][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2759.404616][ T1167] ipv6_find_idev+0x102/0x170 [ 2759.404616][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2759.404616][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2759.404616][ T1167] netlink_rcv_skb+0x130/0x360 [ 2759.404616][ T1167] netlink_unicast+0x449/0x710 [ 2759.404616][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2759.404616][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2759.404616][ T1167] ___sys_sendmsg+0xee/0x170 [ 2759.404616][ T1167] __sys_sendmsg+0xcd/0x170 [ 2759.404616][ T1167] do_syscall_64+0xc6/0x1e0 [ 2759.404616][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2759.404616][ T1167] [ 2759.406371][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2759.406371][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2759.406371][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2759.406371][ T1167] ipv6_find_idev+0x102/0x170 [ 2759.406371][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2759.406371][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2759.406371][ T1167] netlink_rcv_skb+0x130/0x360 [ 2759.406371][ T1167] netlink_unicast+0x449/0x710 [ 2759.406371][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2759.406371][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2759.406371][ T1167] ___sys_sendmsg+0xee/0x170 [ 2759.406371][ T1167] __sys_sendmsg+0xcd/0x170 [ 2759.406371][ T1167] do_syscall_64+0xc6/0x1e0 [ 2759.406371][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2759.406371][ T1167] [ 2766.809116][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2766.809481][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2766.809481][ T10] netdev_get_by_index+0x5e/0x80 [ 2766.809481][ T10] fib6_nh_init+0x3d8/0x1580 [ 2766.809481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2766.809481][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2766.809481][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2766.809481][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2766.809481][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2766.809481][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2766.809481][ T10] addrconf_dad_begin+0x310/0x670 [ 2766.809481][ T10] addrconf_dad_work+0x10b/0xab0 [ 2766.809481][ T10] process_one_work+0x84d/0x18a0 [ 2766.809481][ T10] worker_thread+0x587/0xd30 [ 2766.809481][ T10] kthread+0x28a/0x350 [ 2766.809481][ T10] ret_from_fork+0x31/0x70 [ 2766.809481][ T10] ret_from_fork_asm+0x1a/0x30 [ 2766.809481][ T10] [ 2766.811432][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2766.811432][ T10] netdev_get_by_index+0x5e/0x80 [ 2766.811432][ T10] fib6_nh_init+0x3d8/0x1580 [ 2766.811432][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2766.811432][ T10] ip6_route_add+0x1c/0x140 [ 2766.811432][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2766.811432][ T10] inet6_addr_add+0x4f8/0xa40 [ 2766.811432][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2766.811432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2766.811432][ T10] netlink_rcv_skb+0x130/0x360 [ 2766.811432][ T10] netlink_unicast+0x449/0x710 [ 2766.811432][ T10] netlink_sendmsg+0x723/0xbe0 [ 2766.811432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2766.811432][ T10] ___sys_sendmsg+0xee/0x170 [ 2766.811432][ T10] __sys_sendmsg+0xcd/0x170 [ 2766.811432][ T10] do_syscall_64+0xc6/0x1e0 [ 2766.811432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2766.811432][ T10] [ 2766.813467][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2766.813467][ T10] netdev_get_by_index+0x5e/0x80 [ 2766.813467][ T10] fib6_nh_init+0x3d8/0x1580 [ 2766.813467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2766.813467][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2766.813467][ T10] ipv6_add_addr+0x411/0x2000 [ 2766.813467][ T10] inet6_addr_add+0x30e/0xa40 [ 2766.813467][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2766.813467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2766.813467][ T10] netlink_rcv_skb+0x130/0x360 [ 2766.813467][ T10] netlink_unicast+0x449/0x710 [ 2766.813467][ T10] netlink_sendmsg+0x723/0xbe0 [ 2766.813467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2766.813467][ T10] ___sys_sendmsg+0xee/0x170 [ 2766.813467][ T10] __sys_sendmsg+0xcd/0x170 [ 2766.813467][ T10] do_syscall_64+0xc6/0x1e0 [ 2766.813467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2766.813467][ T10] [ 2766.815486][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2766.815486][ T10] netdev_get_by_index+0x5e/0x80 [ 2766.815486][ T10] fib6_nh_init+0x3d8/0x1580 [ 2766.815486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2766.815486][ T10] ip6_route_add+0x1c/0x140 [ 2766.815486][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2766.815486][ T10] addrconf_add_dev+0xe2/0x170 [ 2766.815486][ T10] inet6_addr_add+0x12f/0xa40 [ 2766.815486][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2766.815486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2766.815486][ T10] netlink_rcv_skb+0x130/0x360 [ 2766.815486][ T10] netlink_unicast+0x449/0x710 [ 2766.815486][ T10] netlink_sendmsg+0x723/0xbe0 [ 2766.815486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2766.815486][ T10] ___sys_sendmsg+0xee/0x170 [ 2766.815486][ T10] __sys_sendmsg+0xcd/0x170 [ 2766.815486][ T10] do_syscall_64+0xc6/0x1e0 [ 2766.815486][ T10] [ 2766.817475][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2766.817475][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2766.817475][ T10] ipv6_find_idev+0x102/0x170 [ 2766.817475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2766.817475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2766.817475][ T10] netlink_rcv_skb+0x130/0x360 [ 2766.817475][ T10] netlink_unicast+0x449/0x710 [ 2766.817475][ T10] netlink_sendmsg+0x723/0xbe0 [ 2766.817475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2766.817475][ T10] ___sys_sendmsg+0xee/0x170 [ 2766.817475][ T10] __sys_sendmsg+0xcd/0x170 [ 2766.817475][ T10] do_syscall_64+0xc6/0x1e0 [ 2766.817475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2766.817475][ T10] [ 2766.819022][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2766.819022][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2766.819022][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2766.819022][ T10] ipv6_find_idev+0x102/0x170 [ 2766.819022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2766.819022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2766.819022][ T10] netlink_rcv_skb+0x130/0x360 [ 2766.819022][ T10] netlink_unicast+0x449/0x710 [ 2766.819022][ T10] netlink_sendmsg+0x723/0xbe0 [ 2766.819022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2766.819022][ T10] ___sys_sendmsg+0xee/0x170 [ 2766.819022][ T10] __sys_sendmsg+0xcd/0x170 [ 2766.819022][ T10] do_syscall_64+0xc6/0x1e0 [ 2766.819022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2766.819022][ T10] [ 2766.820734][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2766.820982][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2766.820982][ T10] netdev_get_by_index+0x5e/0x80 [ 2766.820982][ T10] fib6_nh_init+0x3d8/0x1580 [ 2766.820982][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2766.820982][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2766.820982][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2766.820982][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2766.820982][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2766.820982][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2766.820982][ T10] addrconf_dad_begin+0x310/0x670 [ 2766.820982][ T10] addrconf_dad_work+0x10b/0xab0 [ 2766.820982][ T10] process_one_work+0x84d/0x18a0 [ 2766.820982][ T10] worker_thread+0x587/0xd30 [ 2766.820982][ T10] kthread+0x28a/0x350 [ 2766.820982][ T10] ret_from_fork+0x31/0x70 [ 2766.820982][ T10] ret_from_fork_asm+0x1a/0x30 [ 2766.820982][ T10] [ 2766.822899][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2766.822899][ T10] netdev_get_by_index+0x5e/0x80 [ 2766.822899][ T10] fib6_nh_init+0x3d8/0x1580 [ 2766.822899][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2766.822899][ T10] ip6_route_add+0x1c/0x140 [ 2766.822899][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2766.822899][ T10] inet6_addr_add+0x4f8/0xa40 [ 2766.822899][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2766.822899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2766.822899][ T10] netlink_rcv_skb+0x130/0x360 [ 2766.822899][ T10] netlink_unicast+0x449/0x710 [ 2766.822899][ T10] netlink_sendmsg+0x723/0xbe0 [ 2766.822899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2766.822899][ T10] ___sys_sendmsg+0xee/0x170 [ 2766.822899][ T10] __sys_sendmsg+0xcd/0x170 [ 2766.822899][ T10] do_syscall_64+0xc6/0x1e0 [ 2766.822899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2766.822899][ T10] [ 2766.824915][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2766.824915][ T10] netdev_get_by_index+0x5e/0x80 [ 2766.824915][ T10] fib6_nh_init+0x3d8/0x1580 [ 2766.824915][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2766.824915][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2766.824915][ T10] ipv6_add_addr+0x411/0x2000 [ 2766.824915][ T10] inet6_addr_add+0x30e/0xa40 [ 2766.824915][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2766.824915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2766.824915][ T10] netlink_rcv_skb+0x130/0x360 [ 2766.824915][ T10] netlink_unicast+0x449/0x710 [ 2766.824915][ T10] netlink_sendmsg+0x723/0xbe0 [ 2766.824915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2766.824915][ T10] ___sys_sendmsg+0xee/0x170 [ 2766.824915][ T10] __sys_sendmsg+0xcd/0x170 [ 2766.824915][ T10] do_syscall_64+0xc6/0x1e0 [ 2766.824915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2766.824915][ T10] [ 2766.827444][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2766.827444][ T10] netdev_get_by_index+0x5e/0x80 [ 2766.827444][ T10] fib6_nh_init+0x3d8/0x1580 [ 2766.827444][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2766.827444][ T10] ip6_route_add+0x1c/0x140 [ 2766.827444][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2766.827444][ T10] addrconf_add_dev+0xe2/0x170 [ 2766.827444][ T10] inet6_addr_add+0x12f/0xa40 [ 2766.827444][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2766.827444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2766.827444][ T10] netlink_rcv_skb+0x130/0x360 [ 2766.827444][ T10] netlink_unicast+0x449/0x710 [ 2766.827444][ T10] netlink_sendmsg+0x723/0xbe0 [ 2766.827444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2766.827444][ T10] ___sys_sendmsg+0xee/0x170 [ 2766.827444][ T10] __sys_sendmsg+0xcd/0x170 [ 2766.827444][ T10] do_syscall_64+0xc6/0x1e0 [ 2766.827444][ T10] [ 2766.829448][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2766.829448][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2766.829448][ T10] ipv6_find_idev+0x102/0x170 [ 2766.829448][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2766.829448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2766.829448][ T10] netlink_rcv_skb+0x130/0x360 [ 2766.829448][ T10] netlink_unicast+0x449/0x710 [ 2766.829448][ T10] netlink_sendmsg+0x723/0xbe0 [ 2766.829448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2766.829448][ T10] ___sys_sendmsg+0xee/0x170 [ 2766.829448][ T10] __sys_sendmsg+0xcd/0x170 [ 2766.829448][ T10] do_syscall_64+0xc6/0x1e0 [ 2766.829448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2766.829448][ T10] [ 2766.830989][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2766.830989][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2766.830989][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2766.830989][ T10] ipv6_find_idev+0x102/0x170 [ 2766.830989][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2766.830989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2766.830989][ T10] netlink_rcv_skb+0x130/0x360 [ 2766.830989][ T10] netlink_unicast+0x449/0x710 [ 2766.830989][ T10] netlink_sendmsg+0x723/0xbe0 [ 2766.830989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2766.830989][ T10] ___sys_sendmsg+0xee/0x170 [ 2766.830989][ T10] __sys_sendmsg+0xcd/0x170 [ 2766.830989][ T10] do_syscall_64+0xc6/0x1e0 [ 2766.830989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2766.830989][ T10] [ 2766.832690][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2766.833067][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2766.833067][ T10] netdev_get_by_index+0x5e/0x80 [ 2766.833067][ T10] fib6_nh_init+0x3d8/0x1580 [ 2766.833067][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2766.833067][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2766.833067][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2766.833067][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2766.833067][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2766.833067][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2766.833067][ T10] addrconf_dad_begin+0x310/0x670 [ 2766.833067][ T10] addrconf_dad_work+0x10b/0xab0 [ 2766.833067][ T10] process_one_work+0x84d/0x18a0 [ 2766.833067][ T10] worker_thread+0x587/0xd30 [ 2766.833067][ T10] kthread+0x28a/0x350 [ 2766.833067][ T10] ret_from_fork+0x31/0x70 [ 2766.833067][ T10] ret_from_fork_asm+0x1a/0x30 [ 2766.833067][ T10] [ 2766.834997][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2766.834997][ T10] netdev_get_by_index+0x5e/0x80 [ 2766.834997][ T10] fib6_nh_init+0x3d8/0x1580 [ 2766.834997][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2766.834997][ T10] ip6_route_add+0x1c/0x140 [ 2766.834997][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2766.834997][ T10] inet6_addr_add+0x4f8/0xa40 [ 2766.834997][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2766.834997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2766.834997][ T10] netlink_rcv_skb+0x130/0x360 [ 2766.834997][ T10] netlink_unicast+0x449/0x710 [ 2766.834997][ T10] netlink_sendmsg+0x723/0xbe0 [ 2766.834997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2766.834997][ T10] ___sys_sendmsg+0xee/0x170 [ 2766.834997][ T10] __sys_sendmsg+0xcd/0x170 [ 2766.834997][ T10] do_syscall_64+0xc6/0x1e0 [ 2766.834997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2766.834997][ T10] [ 2766.837195][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2766.837195][ T10] netdev_get_by_index+0x5e/0x80 [ 2766.837195][ T10] fib6_nh_init+0x3d8/0x1580 [ 2766.837195][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2766.837195][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2766.837195][ T10] ipv6_add_addr+0x411/0x2000 [ 2766.837195][ T10] inet6_addr_add+0x30e/0xa40 [ 2766.837195][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2766.837195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2766.837195][ T10] netlink_rcv_skb+0x130/0x360 [ 2766.837195][ T10] netlink_unicast+0x449/0x710 [ 2766.837195][ T10] netlink_sendmsg+0x723/0xbe0 [ 2766.837195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2766.837195][ T10] ___sys_sendmsg+0xee/0x170 [ 2766.837195][ T10] __sys_sendmsg+0xcd/0x170 [ 2766.837195][ T10] do_syscall_64+0xc6/0x1e0 [ 2766.837195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2766.837195][ T10] [ 2766.839957][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2766.839957][ T10] netdev_get_by_index+0x5e/0x80 [ 2766.839957][ T10] fib6_nh_init+0x3d8/0x1580 [ 2766.839957][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2766.839957][ T10] ip6_route_add+0x1c/0x140 [ 2766.839957][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2766.839957][ T10] addrconf_add_dev+0xe2/0x170 [ 2766.839957][ T10] inet6_addr_add+0x12f/0xa40 [ 2766.839957][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2766.839957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2766.839957][ T10] netlink_rcv_skb+0x130/0x360 [ 2766.839957][ T10] netlink_unicast+0x449/0x710 [ 2766.839957][ T10] netlink_sendmsg+0x723/0xbe0 [ 2766.839957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2766.839957][ T10] ___sys_sendmsg+0xee/0x170 [ 2766.839957][ T10] __sys_sendmsg+0xcd/0x170 [ 2766.839957][ T10] do_syscall_64+0xc6/0x1e0 [ 2766.839957][ T10] [ 2766.842187][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2766.842187][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2766.842187][ T10] ipv6_find_idev+0x102/0x170 [ 2766.842187][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2766.842187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2766.842187][ T10] netlink_rcv_skb+0x130/0x360 [ 2766.842187][ T10] netlink_unicast+0x449/0x710 [ 2766.842187][ T10] netlink_sendmsg+0x723/0xbe0 [ 2766.842187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2766.842187][ T10] ___sys_sendmsg+0xee/0x170 [ 2766.842187][ T10] __sys_sendmsg+0xcd/0x170 [ 2766.842187][ T10] do_syscall_64+0xc6/0x1e0 [ 2766.842187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2766.842187][ T10] [ 2766.843949][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2766.843949][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2766.843949][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2766.843949][ T10] ipv6_find_idev+0x102/0x170 [ 2766.843949][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2766.843949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2766.843949][ T10] netlink_rcv_skb+0x130/0x360 [ 2766.843949][ T10] netlink_unicast+0x449/0x710 [ 2766.843949][ T10] netlink_sendmsg+0x723/0xbe0 [ 2766.843949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2766.843949][ T10] ___sys_sendmsg+0xee/0x170 [ 2766.843949][ T10] __sys_sendmsg+0xcd/0x170 [ 2766.843949][ T10] do_syscall_64+0xc6/0x1e0 [ 2766.843949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2766.843949][ T10] [ 2766.845867][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2766.846550][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2766.846550][ T10] netdev_get_by_index+0x5e/0x80 [ 2766.846550][ T10] fib6_nh_init+0x3d8/0x1580 [ 2766.846550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2766.846550][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2766.846550][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2766.846550][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2766.846550][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2766.846550][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2766.846550][ T10] addrconf_dad_begin+0x310/0x670 [ 2766.846550][ T10] addrconf_dad_work+0x10b/0xab0 [ 2766.846550][ T10] process_one_work+0x84d/0x18a0 [ 2766.846550][ T10] worker_thread+0x587/0xd30 [ 2766.846550][ T10] kthread+0x28a/0x350 [ 2766.846550][ T10] ret_from_fork+0x31/0x70 [ 2766.846550][ T10] ret_from_fork_asm+0x1a/0x30 [ 2766.846550][ T10] [ 2766.848460][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2766.848460][ T10] netdev_get_by_index+0x5e/0x80 [ 2766.848460][ T10] fib6_nh_init+0x3d8/0x1580 [ 2766.848460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2766.848460][ T10] ip6_route_add+0x1c/0x140 [ 2766.848460][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2766.848460][ T10] inet6_addr_add+0x4f8/0xa40 [ 2766.848460][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2766.848460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2766.848460][ T10] netlink_rcv_skb+0x130/0x360 [ 2766.848460][ T10] netlink_unicast+0x449/0x710 [ 2766.848460][ T10] netlink_sendmsg+0x723/0xbe0 [ 2766.848460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2766.848460][ T10] ___sys_sendmsg+0xee/0x170 [ 2766.848460][ T10] __sys_sendmsg+0xcd/0x170 [ 2766.848460][ T10] do_syscall_64+0xc6/0x1e0 [ 2766.848460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2766.848460][ T10] [ 2766.850618][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2766.850618][ T10] netdev_get_by_index+0x5e/0x80 [ 2766.850618][ T10] fib6_nh_init+0x3d8/0x1580 [ 2766.850618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2766.850618][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2766.850618][ T10] ipv6_add_addr+0x411/0x2000 [ 2766.850618][ T10] inet6_addr_add+0x30e/0xa40 [ 2766.850618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2766.850618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2766.850618][ T10] netlink_rcv_skb+0x130/0x360 [ 2766.850618][ T10] netlink_unicast+0x449/0x710 [ 2766.850618][ T10] netlink_sendmsg+0x723/0xbe0 [ 2766.850618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2766.850618][ T10] ___sys_sendmsg+0xee/0x170 [ 2766.850618][ T10] __sys_sendmsg+0xcd/0x170 [ 2766.850618][ T10] do_syscall_64+0xc6/0x1e0 [ 2766.850618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2766.850618][ T10] [ 2766.853450][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2766.853450][ T10] netdev_get_by_index+0x5e/0x80 [ 2766.853450][ T10] fib6_nh_init+0x3d8/0x1580 [ 2766.853450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2766.853450][ T10] ip6_route_add+0x1c/0x140 [ 2766.853450][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2766.853450][ T10] addrconf_add_dev+0xe2/0x170 [ 2766.853450][ T10] inet6_addr_add+0x12f/0xa40 [ 2766.853450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2766.853450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2766.853450][ T10] netlink_rcv_skb+0x130/0x360 [ 2766.853450][ T10] netlink_unicast+0x449/0x710 [ 2766.853450][ T10] netlink_sendmsg+0x723/0xbe0 [ 2766.853450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2766.853450][ T10] ___sys_sendmsg+0xee/0x170 [ 2766.853450][ T10] __sys_sendmsg+0xcd/0x170 [ 2766.853450][ T10] do_syscall_64+0xc6/0x1e0 [ 2766.853450][ T10] [ 2766.855660][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2766.855660][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2766.855660][ T10] ipv6_find_idev+0x102/0x170 [ 2766.855660][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2766.855660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2766.855660][ T10] netlink_rcv_skb+0x130/0x360 [ 2766.855660][ T10] netlink_unicast+0x449/0x710 [ 2766.855660][ T10] netlink_sendmsg+0x723/0xbe0 [ 2766.855660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2766.855660][ T10] ___sys_sendmsg+0xee/0x170 [ 2766.855660][ T10] __sys_sendmsg+0xcd/0x170 [ 2766.855660][ T10] do_syscall_64+0xc6/0x1e0 [ 2766.855660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2766.855660][ T10] [ 2766.857318][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2766.857318][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2766.857318][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2766.857318][ T10] ipv6_find_idev+0x102/0x170 [ 2766.857318][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2766.857318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2766.857318][ T10] netlink_rcv_skb+0x130/0x360 [ 2766.857318][ T10] netlink_unicast+0x449/0x710 [ 2766.857318][ T10] netlink_sendmsg+0x723/0xbe0 [ 2766.857318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2766.857318][ T10] ___sys_sendmsg+0xee/0x170 [ 2766.857318][ T10] __sys_sendmsg+0xcd/0x170 [ 2766.857318][ T10] do_syscall_64+0xc6/0x1e0 [ 2766.857318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2766.857318][ T10] [ 2769.513132][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2769.513551][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2769.513551][ T1167] dst_init+0x84/0x4a0 [ 2769.513551][ T1167] dst_alloc+0x97/0x150 [ 2769.513551][ T1167] ip6_dst_alloc+0x23/0x90 [ 2769.513551][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2769.513551][ T1167] ip6_pol_route+0x56f/0x840 [ 2769.513551][ T1167] fib6_rule_lookup+0x334/0x630 [ 2769.513551][ T1167] ip6_route_output_flags+0x259/0x480 [ 2769.513551][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2769.513551][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2769.513551][ T1167] netlink_rcv_skb+0x130/0x360 [ 2769.513551][ T1167] netlink_unicast+0x449/0x710 [ 2769.513551][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2769.513551][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2769.513551][ T1167] ___sys_sendmsg+0xee/0x170 [ 2769.513551][ T1167] __sys_sendmsg+0xcd/0x170 [ 2769.513551][ T1167] do_syscall_64+0xc6/0x1e0 [ 2769.513551][ T1167] [ 2769.515750][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2769.515750][ T1167] netdev_get_by_index+0x5e/0x80 [ 2769.515750][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2769.515750][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2769.515750][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2769.515750][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2769.515750][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2769.515750][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2769.515750][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2769.515750][ T1167] addrconf_dad_begin+0x310/0x670 [ 2769.515750][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2769.515750][ T1167] process_one_work+0x84d/0x18a0 [ 2769.515750][ T1167] worker_thread+0x587/0xd30 [ 2769.515750][ T1167] kthread+0x28a/0x350 [ 2769.515750][ T1167] ret_from_fork+0x31/0x70 [ 2769.515750][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2769.515750][ T1167] [ 2769.517876][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2769.517876][ T1167] netdev_get_by_index+0x5e/0x80 [ 2769.517876][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2769.517876][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2769.517876][ T1167] ip6_route_add+0x1c/0x140 [ 2769.517876][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2769.517876][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2769.517876][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2769.517876][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.517876][ T1167] netlink_rcv_skb+0x130/0x360 [ 2769.517876][ T1167] netlink_unicast+0x449/0x710 [ 2769.517876][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2769.517876][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2769.517876][ T1167] ___sys_sendmsg+0xee/0x170 [ 2769.517876][ T1167] __sys_sendmsg+0xcd/0x170 [ 2769.517876][ T1167] do_syscall_64+0xc6/0x1e0 [ 2769.517876][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2769.517876][ T1167] [ 2769.520117][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2769.520117][ T1167] netdev_get_by_index+0x5e/0x80 [ 2769.520117][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2769.520117][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2769.520117][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2769.520117][ T1167] ipv6_add_addr+0x411/0x2000 [ 2769.520117][ T1167] inet6_addr_add+0x30e/0xa40 [ 2769.520117][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2769.520117][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.520117][ T1167] netlink_rcv_skb+0x130/0x360 [ 2769.520117][ T1167] netlink_unicast+0x449/0x710 [ 2769.520117][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2769.520117][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2769.520117][ T1167] ___sys_sendmsg+0xee/0x170 [ 2769.520117][ T1167] __sys_sendmsg+0xcd/0x170 [ 2769.520117][ T1167] do_syscall_64+0xc6/0x1e0 [ 2769.520117][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2769.520117][ T1167] [ 2769.522349][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2769.522349][ T1167] netdev_get_by_index+0x5e/0x80 [ 2769.522349][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2769.522349][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2769.522349][ T1167] ip6_route_add+0x1c/0x140 [ 2769.522349][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2769.522349][ T1167] addrconf_add_dev+0xe2/0x170 [ 2769.522349][ T1167] inet6_addr_add+0x12f/0xa40 [ 2769.522349][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2769.522349][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.522349][ T1167] netlink_rcv_skb+0x130/0x360 [ 2769.522349][ T1167] netlink_unicast+0x449/0x710 [ 2769.522349][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2769.522349][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2769.522349][ T1167] ___sys_sendmsg+0xee/0x170 [ 2769.522349][ T1167] __sys_sendmsg+0xcd/0x170 [ 2769.522349][ T1167] do_syscall_64+0xc6/0x1e0 [ 2769.522349][ T1167] [ 2769.524539][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2769.524539][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2769.524539][ T1167] ipv6_find_idev+0x102/0x170 [ 2769.524539][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2769.524539][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.524539][ T1167] netlink_rcv_skb+0x130/0x360 [ 2769.524539][ T1167] netlink_unicast+0x449/0x710 [ 2769.524539][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2769.524539][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2769.524539][ T1167] ___sys_sendmsg+0xee/0x170 [ 2769.524539][ T1167] __sys_sendmsg+0xcd/0x170 [ 2769.524539][ T1167] do_syscall_64+0xc6/0x1e0 [ 2769.524539][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2769.524539][ T1167] [ 2769.526259][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2769.526259][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2769.526259][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2769.526259][ T1167] ipv6_find_idev+0x102/0x170 [ 2769.526259][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2769.526259][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.526259][ T1167] netlink_rcv_skb+0x130/0x360 [ 2769.526259][ T1167] netlink_unicast+0x449/0x710 [ 2769.526259][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2769.526259][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2769.526259][ T1167] ___sys_sendmsg+0xee/0x170 [ 2769.526259][ T1167] __sys_sendmsg+0xcd/0x170 [ 2769.526259][ T1167] do_syscall_64+0xc6/0x1e0 [ 2769.526259][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2769.526259][ T1167] [ 2777.097144][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2777.097597][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2777.097597][ T10] netdev_get_by_index+0x5e/0x80 [ 2777.097597][ T10] fib6_nh_init+0x3d8/0x1580 [ 2777.097597][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2777.097597][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2777.097597][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2777.097597][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2777.097597][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2777.097597][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2777.097597][ T10] addrconf_dad_begin+0x310/0x670 [ 2777.097597][ T10] addrconf_dad_work+0x10b/0xab0 [ 2777.097597][ T10] process_one_work+0x84d/0x18a0 [ 2777.097597][ T10] worker_thread+0x587/0xd30 [ 2777.097597][ T10] kthread+0x28a/0x350 [ 2777.097597][ T10] ret_from_fork+0x31/0x70 [ 2777.097597][ T10] ret_from_fork_asm+0x1a/0x30 [ 2777.097597][ T10] [ 2777.099506][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2777.099506][ T10] netdev_get_by_index+0x5e/0x80 [ 2777.099506][ T10] fib6_nh_init+0x3d8/0x1580 [ 2777.099506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2777.099506][ T10] ip6_route_add+0x1c/0x140 [ 2777.099506][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2777.099506][ T10] inet6_addr_add+0x4f8/0xa40 [ 2777.099506][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2777.099506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2777.099506][ T10] netlink_rcv_skb+0x130/0x360 [ 2777.099506][ T10] netlink_unicast+0x449/0x710 [ 2777.099506][ T10] netlink_sendmsg+0x723/0xbe0 [ 2777.099506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2777.099506][ T10] ___sys_sendmsg+0xee/0x170 [ 2777.099506][ T10] __sys_sendmsg+0xcd/0x170 [ 2777.099506][ T10] do_syscall_64+0xc6/0x1e0 [ 2777.099506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2777.099506][ T10] [ 2777.101502][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2777.101502][ T10] netdev_get_by_index+0x5e/0x80 [ 2777.101502][ T10] fib6_nh_init+0x3d8/0x1580 [ 2777.101502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2777.101502][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2777.101502][ T10] ipv6_add_addr+0x411/0x2000 [ 2777.101502][ T10] inet6_addr_add+0x30e/0xa40 [ 2777.101502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2777.101502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2777.101502][ T10] netlink_rcv_skb+0x130/0x360 [ 2777.101502][ T10] netlink_unicast+0x449/0x710 [ 2777.101502][ T10] netlink_sendmsg+0x723/0xbe0 [ 2777.101502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2777.101502][ T10] ___sys_sendmsg+0xee/0x170 [ 2777.101502][ T10] __sys_sendmsg+0xcd/0x170 [ 2777.101502][ T10] do_syscall_64+0xc6/0x1e0 [ 2777.101502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2777.101502][ T10] [ 2777.103482][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2777.103482][ T10] netdev_get_by_index+0x5e/0x80 [ 2777.103482][ T10] fib6_nh_init+0x3d8/0x1580 [ 2777.103482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2777.103482][ T10] ip6_route_add+0x1c/0x140 [ 2777.103482][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2777.103482][ T10] addrconf_add_dev+0xe2/0x170 [ 2777.103482][ T10] inet6_addr_add+0x12f/0xa40 [ 2777.103482][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2777.103482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2777.103482][ T10] netlink_rcv_skb+0x130/0x360 [ 2777.103482][ T10] netlink_unicast+0x449/0x710 [ 2777.103482][ T10] netlink_sendmsg+0x723/0xbe0 [ 2777.103482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2777.103482][ T10] ___sys_sendmsg+0xee/0x170 [ 2777.103482][ T10] __sys_sendmsg+0xcd/0x170 [ 2777.103482][ T10] do_syscall_64+0xc6/0x1e0 [ 2777.103482][ T10] [ 2777.105433][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2777.105433][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2777.105433][ T10] ipv6_find_idev+0x102/0x170 [ 2777.105433][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2777.105433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2777.105433][ T10] netlink_rcv_skb+0x130/0x360 [ 2777.105433][ T10] netlink_unicast+0x449/0x710 [ 2777.105433][ T10] netlink_sendmsg+0x723/0xbe0 [ 2777.105433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2777.105433][ T10] ___sys_sendmsg+0xee/0x170 [ 2777.105433][ T10] __sys_sendmsg+0xcd/0x170 [ 2777.105433][ T10] do_syscall_64+0xc6/0x1e0 [ 2777.105433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2777.105433][ T10] [ 2777.106953][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2777.106953][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2777.106953][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2777.106953][ T10] ipv6_find_idev+0x102/0x170 [ 2777.106953][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2777.106953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2777.106953][ T10] netlink_rcv_skb+0x130/0x360 [ 2777.106953][ T10] netlink_unicast+0x449/0x710 [ 2777.106953][ T10] netlink_sendmsg+0x723/0xbe0 [ 2777.106953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2777.106953][ T10] ___sys_sendmsg+0xee/0x170 [ 2777.106953][ T10] __sys_sendmsg+0xcd/0x170 [ 2777.106953][ T10] do_syscall_64+0xc6/0x1e0 [ 2777.106953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2777.106953][ T10] [ 2777.108616][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2777.108868][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2777.108868][ T10] netdev_get_by_index+0x5e/0x80 [ 2777.108868][ T10] fib6_nh_init+0x3d8/0x1580 [ 2777.108868][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2777.108868][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2777.108868][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2777.108868][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2777.108868][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2777.108868][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2777.108868][ T10] addrconf_dad_begin+0x310/0x670 [ 2777.108868][ T10] addrconf_dad_work+0x10b/0xab0 [ 2777.108868][ T10] process_one_work+0x84d/0x18a0 [ 2777.108868][ T10] worker_thread+0x587/0xd30 [ 2777.108868][ T10] kthread+0x28a/0x350 [ 2777.108868][ T10] ret_from_fork+0x31/0x70 [ 2777.108868][ T10] ret_from_fork_asm+0x1a/0x30 [ 2777.108868][ T10] [ 2777.110750][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2777.110750][ T10] netdev_get_by_index+0x5e/0x80 [ 2777.110750][ T10] fib6_nh_init+0x3d8/0x1580 [ 2777.110750][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2777.110750][ T10] ip6_route_add+0x1c/0x140 [ 2777.110750][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2777.110750][ T10] inet6_addr_add+0x4f8/0xa40 [ 2777.110750][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2777.110750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2777.110750][ T10] netlink_rcv_skb+0x130/0x360 [ 2777.110750][ T10] netlink_unicast+0x449/0x710 [ 2777.110750][ T10] netlink_sendmsg+0x723/0xbe0 [ 2777.110750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2777.110750][ T10] ___sys_sendmsg+0xee/0x170 [ 2777.110750][ T10] __sys_sendmsg+0xcd/0x170 [ 2777.110750][ T10] do_syscall_64+0xc6/0x1e0 [ 2777.110750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2777.110750][ T10] [ 2777.112718][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2777.112718][ T10] netdev_get_by_index+0x5e/0x80 [ 2777.112718][ T10] fib6_nh_init+0x3d8/0x1580 [ 2777.112718][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2777.112718][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2777.112718][ T10] ipv6_add_addr+0x411/0x2000 [ 2777.112718][ T10] inet6_addr_add+0x30e/0xa40 [ 2777.112718][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2777.112718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2777.112718][ T10] netlink_rcv_skb+0x130/0x360 [ 2777.112718][ T10] netlink_unicast+0x449/0x710 [ 2777.112718][ T10] netlink_sendmsg+0x723/0xbe0 [ 2777.112718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2777.112718][ T10] ___sys_sendmsg+0xee/0x170 [ 2777.112718][ T10] __sys_sendmsg+0xcd/0x170 [ 2777.112718][ T10] do_syscall_64+0xc6/0x1e0 [ 2777.112718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2777.112718][ T10] [ 2777.114689][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2777.114689][ T10] netdev_get_by_index+0x5e/0x80 [ 2777.114689][ T10] fib6_nh_init+0x3d8/0x1580 [ 2777.114689][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2777.114689][ T10] ip6_route_add+0x1c/0x140 [ 2777.114689][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2777.114689][ T10] addrconf_add_dev+0xe2/0x170 [ 2777.114689][ T10] inet6_addr_add+0x12f/0xa40 [ 2777.114689][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2777.114689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2777.114689][ T10] netlink_rcv_skb+0x130/0x360 [ 2777.114689][ T10] netlink_unicast+0x449/0x710 [ 2777.114689][ T10] netlink_sendmsg+0x723/0xbe0 [ 2777.114689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2777.114689][ T10] ___sys_sendmsg+0xee/0x170 [ 2777.114689][ T10] __sys_sendmsg+0xcd/0x170 [ 2777.114689][ T10] do_syscall_64+0xc6/0x1e0 [ 2777.114689][ T10] [ 2777.116639][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2777.116639][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2777.116639][ T10] ipv6_find_idev+0x102/0x170 [ 2777.116639][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2777.116639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2777.116639][ T10] netlink_rcv_skb+0x130/0x360 [ 2777.116639][ T10] netlink_unicast+0x449/0x710 [ 2777.116639][ T10] netlink_sendmsg+0x723/0xbe0 [ 2777.116639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2777.116639][ T10] ___sys_sendmsg+0xee/0x170 [ 2777.116639][ T10] __sys_sendmsg+0xcd/0x170 [ 2777.116639][ T10] do_syscall_64+0xc6/0x1e0 [ 2777.116639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2777.116639][ T10] [ 2777.118160][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2777.118160][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2777.118160][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2777.118160][ T10] ipv6_find_idev+0x102/0x170 [ 2777.118160][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2777.118160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2777.118160][ T10] netlink_rcv_skb+0x130/0x360 [ 2777.118160][ T10] netlink_unicast+0x449/0x710 [ 2777.118160][ T10] netlink_sendmsg+0x723/0xbe0 [ 2777.118160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2777.118160][ T10] ___sys_sendmsg+0xee/0x170 [ 2777.118160][ T10] __sys_sendmsg+0xcd/0x170 [ 2777.118160][ T10] do_syscall_64+0xc6/0x1e0 [ 2777.118160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2777.118160][ T10] [ 2777.120579][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2777.120945][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2777.120945][ T10] netdev_get_by_index+0x5e/0x80 [ 2777.120945][ T10] fib6_nh_init+0x3d8/0x1580 [ 2777.120945][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2777.120945][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2777.120945][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2777.120945][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2777.120945][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2777.120945][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2777.120945][ T10] addrconf_dad_begin+0x310/0x670 [ 2777.120945][ T10] addrconf_dad_work+0x10b/0xab0 [ 2777.120945][ T10] process_one_work+0x84d/0x18a0 [ 2777.120945][ T10] worker_thread+0x587/0xd30 [ 2777.120945][ T10] kthread+0x28a/0x350 [ 2777.120945][ T10] ret_from_fork+0x31/0x70 [ 2777.120945][ T10] ret_from_fork_asm+0x1a/0x30 [ 2777.120945][ T10] [ 2777.123842][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2777.123842][ T10] netdev_get_by_index+0x5e/0x80 [ 2777.123842][ T10] fib6_nh_init+0x3d8/0x1580 [ 2777.123842][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2777.123842][ T10] ip6_route_add+0x1c/0x140 [ 2777.123842][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2777.123842][ T10] inet6_addr_add+0x4f8/0xa40 [ 2777.123842][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2777.123842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2777.123842][ T10] netlink_rcv_skb+0x130/0x360 [ 2777.123842][ T10] netlink_unicast+0x449/0x710 [ 2777.123842][ T10] netlink_sendmsg+0x723/0xbe0 [ 2777.123842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2777.123842][ T10] ___sys_sendmsg+0xee/0x170 [ 2777.123842][ T10] __sys_sendmsg+0xcd/0x170 [ 2777.123842][ T10] do_syscall_64+0xc6/0x1e0 [ 2777.123842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2777.123842][ T10] [ 2777.127510][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2777.127510][ T10] netdev_get_by_index+0x5e/0x80 [ 2777.127510][ T10] fib6_nh_init+0x3d8/0x1580 [ 2777.127510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2777.127510][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2777.127510][ T10] ipv6_add_addr+0x411/0x2000 [ 2777.127510][ T10] inet6_addr_add+0x30e/0xa40 [ 2777.127510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2777.127510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2777.127510][ T10] netlink_rcv_skb+0x130/0x360 [ 2777.127510][ T10] netlink_unicast+0x449/0x710 [ 2777.127510][ T10] netlink_sendmsg+0x723/0xbe0 [ 2777.127510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2777.127510][ T10] ___sys_sendmsg+0xee/0x170 [ 2777.127510][ T10] __sys_sendmsg+0xcd/0x170 [ 2777.127510][ T10] do_syscall_64+0xc6/0x1e0 [ 2777.127510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2777.127510][ T10] [ 2777.131069][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2777.131069][ T10] netdev_get_by_index+0x5e/0x80 [ 2777.131069][ T10] fib6_nh_init+0x3d8/0x1580 [ 2777.131069][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2777.131069][ T10] ip6_route_add+0x1c/0x140 [ 2777.131069][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2777.131069][ T10] addrconf_add_dev+0xe2/0x170 [ 2777.131069][ T10] inet6_addr_add+0x12f/0xa40 [ 2777.131069][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2777.131069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2777.131069][ T10] netlink_rcv_skb+0x130/0x360 [ 2777.131069][ T10] netlink_unicast+0x449/0x710 [ 2777.131069][ T10] netlink_sendmsg+0x723/0xbe0 [ 2777.131069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2777.131069][ T10] ___sys_sendmsg+0xee/0x170 [ 2777.131069][ T10] __sys_sendmsg+0xcd/0x170 [ 2777.131069][ T10] do_syscall_64+0xc6/0x1e0 [ 2777.131069][ T10] [ 2777.134264][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2777.134264][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2777.134264][ T10] ipv6_find_idev+0x102/0x170 [ 2777.134264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2777.134264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2777.134264][ T10] netlink_rcv_skb+0x130/0x360 [ 2777.134264][ T10] netlink_unicast+0x449/0x710 [ 2777.134264][ T10] netlink_sendmsg+0x723/0xbe0 [ 2777.134264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2777.134264][ T10] ___sys_sendmsg+0xee/0x170 [ 2777.134264][ T10] __sys_sendmsg+0xcd/0x170 [ 2777.134264][ T10] do_syscall_64+0xc6/0x1e0 [ 2777.134264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2777.134264][ T10] [ 2777.136924][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2777.136924][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2777.136924][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2777.136924][ T10] ipv6_find_idev+0x102/0x170 [ 2777.136924][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2777.136924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2777.136924][ T10] netlink_rcv_skb+0x130/0x360 [ 2777.136924][ T10] netlink_unicast+0x449/0x710 [ 2777.136924][ T10] netlink_sendmsg+0x723/0xbe0 [ 2777.136924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2777.136924][ T10] ___sys_sendmsg+0xee/0x170 [ 2777.136924][ T10] __sys_sendmsg+0xcd/0x170 [ 2777.136924][ T10] do_syscall_64+0xc6/0x1e0 [ 2777.136924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2777.136924][ T10] [ 2777.139648][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2777.140039][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2777.140039][ T10] netdev_get_by_index+0x5e/0x80 [ 2777.140039][ T10] fib6_nh_init+0x3d8/0x1580 [ 2777.140039][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2777.140039][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2777.140039][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2777.140039][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2777.140039][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2777.140039][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2777.140039][ T10] addrconf_dad_begin+0x310/0x670 [ 2777.140039][ T10] addrconf_dad_work+0x10b/0xab0 [ 2777.140039][ T10] process_one_work+0x84d/0x18a0 [ 2777.140039][ T10] worker_thread+0x587/0xd30 [ 2777.140039][ T10] kthread+0x28a/0x350 [ 2777.140039][ T10] ret_from_fork+0x31/0x70 [ 2777.140039][ T10] ret_from_fork_asm+0x1a/0x30 [ 2777.140039][ T10] [ 2777.143309][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2777.143309][ T10] netdev_get_by_index+0x5e/0x80 [ 2777.143309][ T10] fib6_nh_init+0x3d8/0x1580 [ 2777.143309][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2777.143309][ T10] ip6_route_add+0x1c/0x140 [ 2777.143309][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2777.143309][ T10] inet6_addr_add+0x4f8/0xa40 [ 2777.143309][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2777.143309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2777.143309][ T10] netlink_rcv_skb+0x130/0x360 [ 2777.143309][ T10] netlink_unicast+0x449/0x710 [ 2777.143309][ T10] netlink_sendmsg+0x723/0xbe0 [ 2777.143309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2777.143309][ T10] ___sys_sendmsg+0xee/0x170 [ 2777.143309][ T10] __sys_sendmsg+0xcd/0x170 [ 2777.143309][ T10] do_syscall_64+0xc6/0x1e0 [ 2777.143309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2777.143309][ T10] [ 2777.146816][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2777.146816][ T10] netdev_get_by_index+0x5e/0x80 [ 2777.146816][ T10] fib6_nh_init+0x3d8/0x1580 [ 2777.146816][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2777.146816][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2777.146816][ T10] ipv6_add_addr+0x411/0x2000 [ 2777.146816][ T10] inet6_addr_add+0x30e/0xa40 [ 2777.146816][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2777.146816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2777.146816][ T10] netlink_rcv_skb+0x130/0x360 [ 2777.146816][ T10] netlink_unicast+0x449/0x710 [ 2777.146816][ T10] netlink_sendmsg+0x723/0xbe0 [ 2777.146816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2777.146816][ T10] ___sys_sendmsg+0xee/0x170 [ 2777.146816][ T10] __sys_sendmsg+0xcd/0x170 [ 2777.146816][ T10] do_syscall_64+0xc6/0x1e0 [ 2777.146816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2777.146816][ T10] [ 2777.150091][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2777.150091][ T10] netdev_get_by_index+0x5e/0x80 [ 2777.150091][ T10] fib6_nh_init+0x3d8/0x1580 [ 2777.150091][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2777.150091][ T10] ip6_route_add+0x1c/0x140 [ 2777.150091][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2777.150091][ T10] addrconf_add_dev+0xe2/0x170 [ 2777.150091][ T10] inet6_addr_add+0x12f/0xa40 [ 2777.150091][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2777.150091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2777.150091][ T10] netlink_rcv_skb+0x130/0x360 [ 2777.150091][ T10] netlink_unicast+0x449/0x710 [ 2777.150091][ T10] netlink_sendmsg+0x723/0xbe0 [ 2777.150091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2777.150091][ T10] ___sys_sendmsg+0xee/0x170 [ 2777.150091][ T10] __sys_sendmsg+0xcd/0x170 [ 2777.150091][ T10] do_syscall_64+0xc6/0x1e0 [ 2777.150091][ T10] [ 2777.153389][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2777.153389][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2777.153389][ T10] ipv6_find_idev+0x102/0x170 [ 2777.153389][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2777.153389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2777.153389][ T10] netlink_rcv_skb+0x130/0x360 [ 2777.153389][ T10] netlink_unicast+0x449/0x710 [ 2777.153389][ T10] netlink_sendmsg+0x723/0xbe0 [ 2777.153389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2777.153389][ T10] ___sys_sendmsg+0xee/0x170 [ 2777.153389][ T10] __sys_sendmsg+0xcd/0x170 [ 2777.153389][ T10] do_syscall_64+0xc6/0x1e0 [ 2777.153389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2777.153389][ T10] [ 2777.155940][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2777.155940][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2777.155940][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2777.155940][ T10] ipv6_find_idev+0x102/0x170 [ 2777.155940][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2777.155940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2777.155940][ T10] netlink_rcv_skb+0x130/0x360 [ 2777.155940][ T10] netlink_unicast+0x449/0x710 [ 2777.155940][ T10] netlink_sendmsg+0x723/0xbe0 [ 2777.155940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2777.155940][ T10] ___sys_sendmsg+0xee/0x170 [ 2777.155940][ T10] __sys_sendmsg+0xcd/0x170 [ 2777.155940][ T10] do_syscall_64+0xc6/0x1e0 [ 2777.155940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2777.155940][ T10] [ 2779.769151][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2779.769629][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2779.769629][ T1167] dst_init+0x84/0x4a0 [ 2779.769629][ T1167] dst_alloc+0x97/0x150 [ 2779.769629][ T1167] ip6_dst_alloc+0x23/0x90 [ 2779.769629][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2779.769629][ T1167] ip6_pol_route+0x56f/0x840 [ 2779.769629][ T1167] fib6_rule_lookup+0x334/0x630 [ 2779.769629][ T1167] ip6_route_output_flags+0x259/0x480 [ 2779.769629][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2779.769629][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2779.769629][ T1167] netlink_rcv_skb+0x130/0x360 [ 2779.769629][ T1167] netlink_unicast+0x449/0x710 [ 2779.769629][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2779.769629][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2779.769629][ T1167] ___sys_sendmsg+0xee/0x170 [ 2779.769629][ T1167] __sys_sendmsg+0xcd/0x170 [ 2779.769629][ T1167] do_syscall_64+0xc6/0x1e0 [ 2779.769629][ T1167] [ 2779.771831][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2779.771831][ T1167] netdev_get_by_index+0x5e/0x80 [ 2779.771831][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2779.771831][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2779.771831][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2779.771831][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2779.771831][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2779.771831][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2779.771831][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2779.771831][ T1167] addrconf_dad_begin+0x310/0x670 [ 2779.771831][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2779.771831][ T1167] process_one_work+0x84d/0x18a0 [ 2779.771831][ T1167] worker_thread+0x587/0xd30 [ 2779.771831][ T1167] kthread+0x28a/0x350 [ 2779.771831][ T1167] ret_from_fork+0x31/0x70 [ 2779.771831][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2779.771831][ T1167] [ 2779.773990][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2779.773990][ T1167] netdev_get_by_index+0x5e/0x80 [ 2779.773990][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2779.773990][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2779.773990][ T1167] ip6_route_add+0x1c/0x140 [ 2779.773990][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2779.773990][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2779.773990][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2779.773990][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.773990][ T1167] netlink_rcv_skb+0x130/0x360 [ 2779.773990][ T1167] netlink_unicast+0x449/0x710 [ 2779.773990][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2779.773990][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2779.773990][ T1167] ___sys_sendmsg+0xee/0x170 [ 2779.773990][ T1167] __sys_sendmsg+0xcd/0x170 [ 2779.773990][ T1167] do_syscall_64+0xc6/0x1e0 [ 2779.773990][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.773990][ T1167] [ 2779.776223][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2779.776223][ T1167] netdev_get_by_index+0x5e/0x80 [ 2779.776223][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2779.776223][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2779.776223][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2779.776223][ T1167] ipv6_add_addr+0x411/0x2000 [ 2779.776223][ T1167] inet6_addr_add+0x30e/0xa40 [ 2779.776223][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2779.776223][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.776223][ T1167] netlink_rcv_skb+0x130/0x360 [ 2779.776223][ T1167] netlink_unicast+0x449/0x710 [ 2779.776223][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2779.776223][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2779.776223][ T1167] ___sys_sendmsg+0xee/0x170 [ 2779.776223][ T1167] __sys_sendmsg+0xcd/0x170 [ 2779.776223][ T1167] do_syscall_64+0xc6/0x1e0 [ 2779.776223][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.776223][ T1167] [ 2779.778448][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2779.778448][ T1167] netdev_get_by_index+0x5e/0x80 [ 2779.778448][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2779.778448][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2779.778448][ T1167] ip6_route_add+0x1c/0x140 [ 2779.778448][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2779.778448][ T1167] addrconf_add_dev+0xe2/0x170 [ 2779.778448][ T1167] inet6_addr_add+0x12f/0xa40 [ 2779.778448][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2779.778448][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.778448][ T1167] netlink_rcv_skb+0x130/0x360 [ 2779.778448][ T1167] netlink_unicast+0x449/0x710 [ 2779.778448][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2779.778448][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2779.778448][ T1167] ___sys_sendmsg+0xee/0x170 [ 2779.778448][ T1167] __sys_sendmsg+0xcd/0x170 [ 2779.778448][ T1167] do_syscall_64+0xc6/0x1e0 [ 2779.778448][ T1167] [ 2779.780639][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2779.780639][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2779.780639][ T1167] ipv6_find_idev+0x102/0x170 [ 2779.780639][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2779.780639][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.780639][ T1167] netlink_rcv_skb+0x130/0x360 [ 2779.780639][ T1167] netlink_unicast+0x449/0x710 [ 2779.780639][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2779.780639][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2779.780639][ T1167] ___sys_sendmsg+0xee/0x170 [ 2779.780639][ T1167] __sys_sendmsg+0xcd/0x170 [ 2779.780639][ T1167] do_syscall_64+0xc6/0x1e0 [ 2779.780639][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.780639][ T1167] [ 2779.782354][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2779.782354][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2779.782354][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2779.782354][ T1167] ipv6_find_idev+0x102/0x170 [ 2779.782354][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2779.782354][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.782354][ T1167] netlink_rcv_skb+0x130/0x360 [ 2779.782354][ T1167] netlink_unicast+0x449/0x710 [ 2779.782354][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2779.782354][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2779.782354][ T1167] ___sys_sendmsg+0xee/0x170 [ 2779.782354][ T1167] __sys_sendmsg+0xcd/0x170 [ 2779.782354][ T1167] do_syscall_64+0xc6/0x1e0 [ 2779.782354][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.782354][ T1167] [ 2787.209171][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2787.209526][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2787.209526][ T10] netdev_get_by_index+0x5e/0x80 [ 2787.209526][ T10] fib6_nh_init+0x3d8/0x1580 [ 2787.209526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2787.209526][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2787.209526][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2787.209526][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2787.209526][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2787.209526][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2787.209526][ T10] addrconf_dad_begin+0x310/0x670 [ 2787.209526][ T10] addrconf_dad_work+0x10b/0xab0 [ 2787.209526][ T10] process_one_work+0x84d/0x18a0 [ 2787.209526][ T10] worker_thread+0x587/0xd30 [ 2787.209526][ T10] kthread+0x28a/0x350 [ 2787.209526][ T10] ret_from_fork+0x31/0x70 [ 2787.209526][ T10] ret_from_fork_asm+0x1a/0x30 [ 2787.209526][ T10] [ 2787.211439][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2787.211439][ T10] netdev_get_by_index+0x5e/0x80 [ 2787.211439][ T10] fib6_nh_init+0x3d8/0x1580 [ 2787.211439][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2787.211439][ T10] ip6_route_add+0x1c/0x140 [ 2787.211439][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2787.211439][ T10] inet6_addr_add+0x4f8/0xa40 [ 2787.211439][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2787.211439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2787.211439][ T10] netlink_rcv_skb+0x130/0x360 [ 2787.211439][ T10] netlink_unicast+0x449/0x710 [ 2787.211439][ T10] netlink_sendmsg+0x723/0xbe0 [ 2787.211439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2787.211439][ T10] ___sys_sendmsg+0xee/0x170 [ 2787.211439][ T10] __sys_sendmsg+0xcd/0x170 [ 2787.211439][ T10] do_syscall_64+0xc6/0x1e0 [ 2787.211439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2787.211439][ T10] [ 2787.213416][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2787.213416][ T10] netdev_get_by_index+0x5e/0x80 [ 2787.213416][ T10] fib6_nh_init+0x3d8/0x1580 [ 2787.213416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2787.213416][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2787.213416][ T10] ipv6_add_addr+0x411/0x2000 [ 2787.213416][ T10] inet6_addr_add+0x30e/0xa40 [ 2787.213416][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2787.213416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2787.213416][ T10] netlink_rcv_skb+0x130/0x360 [ 2787.213416][ T10] netlink_unicast+0x449/0x710 [ 2787.213416][ T10] netlink_sendmsg+0x723/0xbe0 [ 2787.213416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2787.213416][ T10] ___sys_sendmsg+0xee/0x170 [ 2787.213416][ T10] __sys_sendmsg+0xcd/0x170 [ 2787.213416][ T10] do_syscall_64+0xc6/0x1e0 [ 2787.213416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2787.213416][ T10] [ 2787.215540][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2787.215540][ T10] netdev_get_by_index+0x5e/0x80 [ 2787.215540][ T10] fib6_nh_init+0x3d8/0x1580 [ 2787.215540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2787.215540][ T10] ip6_route_add+0x1c/0x140 [ 2787.215540][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2787.215540][ T10] addrconf_add_dev+0xe2/0x170 [ 2787.215540][ T10] inet6_addr_add+0x12f/0xa40 [ 2787.215540][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2787.215540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2787.215540][ T10] netlink_rcv_skb+0x130/0x360 [ 2787.215540][ T10] netlink_unicast+0x449/0x710 [ 2787.215540][ T10] netlink_sendmsg+0x723/0xbe0 [ 2787.215540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2787.215540][ T10] ___sys_sendmsg+0xee/0x170 [ 2787.215540][ T10] __sys_sendmsg+0xcd/0x170 [ 2787.215540][ T10] do_syscall_64+0xc6/0x1e0 [ 2787.215540][ T10] [ 2787.218511][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2787.218511][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2787.218511][ T10] ipv6_find_idev+0x102/0x170 [ 2787.218511][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2787.218511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2787.218511][ T10] netlink_rcv_skb+0x130/0x360 [ 2787.218511][ T10] netlink_unicast+0x449/0x710 [ 2787.218511][ T10] netlink_sendmsg+0x723/0xbe0 [ 2787.218511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2787.218511][ T10] ___sys_sendmsg+0xee/0x170 [ 2787.218511][ T10] __sys_sendmsg+0xcd/0x170 [ 2787.218511][ T10] do_syscall_64+0xc6/0x1e0 [ 2787.218511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2787.218511][ T10] [ 2787.220844][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2787.220844][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2787.220844][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2787.220844][ T10] ipv6_find_idev+0x102/0x170 [ 2787.220844][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2787.220844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2787.220844][ T10] netlink_rcv_skb+0x130/0x360 [ 2787.220844][ T10] netlink_unicast+0x449/0x710 [ 2787.220844][ T10] netlink_sendmsg+0x723/0xbe0 [ 2787.220844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2787.220844][ T10] ___sys_sendmsg+0xee/0x170 [ 2787.220844][ T10] __sys_sendmsg+0xcd/0x170 [ 2787.220844][ T10] do_syscall_64+0xc6/0x1e0 [ 2787.220844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2787.220844][ T10] [ 2787.223438][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2787.223790][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2787.223790][ T10] netdev_get_by_index+0x5e/0x80 [ 2787.223790][ T10] fib6_nh_init+0x3d8/0x1580 [ 2787.223790][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2787.223790][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2787.223790][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2787.223790][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2787.223790][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2787.223790][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2787.223790][ T10] addrconf_dad_begin+0x310/0x670 [ 2787.223790][ T10] addrconf_dad_work+0x10b/0xab0 [ 2787.223790][ T10] process_one_work+0x84d/0x18a0 [ 2787.223790][ T10] worker_thread+0x587/0xd30 [ 2787.223790][ T10] kthread+0x28a/0x350 [ 2787.223790][ T10] ret_from_fork+0x31/0x70 [ 2787.223790][ T10] ret_from_fork_asm+0x1a/0x30 [ 2787.223790][ T10] [ 2787.226668][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2787.226668][ T10] netdev_get_by_index+0x5e/0x80 [ 2787.226668][ T10] fib6_nh_init+0x3d8/0x1580 [ 2787.226668][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2787.226668][ T10] ip6_route_add+0x1c/0x140 [ 2787.226668][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2787.226668][ T10] inet6_addr_add+0x4f8/0xa40 [ 2787.226668][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2787.226668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2787.226668][ T10] netlink_rcv_skb+0x130/0x360 [ 2787.226668][ T10] netlink_unicast+0x449/0x710 [ 2787.226668][ T10] netlink_sendmsg+0x723/0xbe0 [ 2787.226668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2787.226668][ T10] ___sys_sendmsg+0xee/0x170 [ 2787.226668][ T10] __sys_sendmsg+0xcd/0x170 [ 2787.226668][ T10] do_syscall_64+0xc6/0x1e0 [ 2787.226668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2787.226668][ T10] [ 2787.229700][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2787.229700][ T10] netdev_get_by_index+0x5e/0x80 [ 2787.229700][ T10] fib6_nh_init+0x3d8/0x1580 [ 2787.229700][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2787.229700][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2787.229700][ T10] ipv6_add_addr+0x411/0x2000 [ 2787.229700][ T10] inet6_addr_add+0x30e/0xa40 [ 2787.229700][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2787.229700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2787.229700][ T10] netlink_rcv_skb+0x130/0x360 [ 2787.229700][ T10] netlink_unicast+0x449/0x710 [ 2787.229700][ T10] netlink_sendmsg+0x723/0xbe0 [ 2787.229700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2787.229700][ T10] ___sys_sendmsg+0xee/0x170 [ 2787.229700][ T10] __sys_sendmsg+0xcd/0x170 [ 2787.229700][ T10] do_syscall_64+0xc6/0x1e0 [ 2787.229700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2787.229700][ T10] [ 2787.232706][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2787.232706][ T10] netdev_get_by_index+0x5e/0x80 [ 2787.232706][ T10] fib6_nh_init+0x3d8/0x1580 [ 2787.232706][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2787.232706][ T10] ip6_route_add+0x1c/0x140 [ 2787.232706][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2787.232706][ T10] addrconf_add_dev+0xe2/0x170 [ 2787.232706][ T10] inet6_addr_add+0x12f/0xa40 [ 2787.232706][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2787.232706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2787.232706][ T10] netlink_rcv_skb+0x130/0x360 [ 2787.232706][ T10] netlink_unicast+0x449/0x710 [ 2787.232706][ T10] netlink_sendmsg+0x723/0xbe0 [ 2787.232706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2787.232706][ T10] ___sys_sendmsg+0xee/0x170 [ 2787.232706][ T10] __sys_sendmsg+0xcd/0x170 [ 2787.232706][ T10] do_syscall_64+0xc6/0x1e0 [ 2787.232706][ T10] [ 2787.235758][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2787.235758][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2787.235758][ T10] ipv6_find_idev+0x102/0x170 [ 2787.235758][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2787.235758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2787.235758][ T10] netlink_rcv_skb+0x130/0x360 [ 2787.235758][ T10] netlink_unicast+0x449/0x710 [ 2787.235758][ T10] netlink_sendmsg+0x723/0xbe0 [ 2787.235758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2787.235758][ T10] ___sys_sendmsg+0xee/0x170 [ 2787.235758][ T10] __sys_sendmsg+0xcd/0x170 [ 2787.235758][ T10] do_syscall_64+0xc6/0x1e0 [ 2787.235758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2787.235758][ T10] [ 2787.238128][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2787.238128][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2787.238128][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2787.238128][ T10] ipv6_find_idev+0x102/0x170 [ 2787.238128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2787.238128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2787.238128][ T10] netlink_rcv_skb+0x130/0x360 [ 2787.238128][ T10] netlink_unicast+0x449/0x710 [ 2787.238128][ T10] netlink_sendmsg+0x723/0xbe0 [ 2787.238128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2787.238128][ T10] ___sys_sendmsg+0xee/0x170 [ 2787.238128][ T10] __sys_sendmsg+0xcd/0x170 [ 2787.238128][ T10] do_syscall_64+0xc6/0x1e0 [ 2787.238128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2787.238128][ T10] [ 2787.240694][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2787.241074][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2787.241074][ T10] netdev_get_by_index+0x5e/0x80 [ 2787.241074][ T10] fib6_nh_init+0x3d8/0x1580 [ 2787.241074][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2787.241074][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2787.241074][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2787.241074][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2787.241074][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2787.241074][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2787.241074][ T10] addrconf_dad_begin+0x310/0x670 [ 2787.241074][ T10] addrconf_dad_work+0x10b/0xab0 [ 2787.241074][ T10] process_one_work+0x84d/0x18a0 [ 2787.241074][ T10] worker_thread+0x587/0xd30 [ 2787.241074][ T10] kthread+0x28a/0x350 [ 2787.241074][ T10] ret_from_fork+0x31/0x70 [ 2787.241074][ T10] ret_from_fork_asm+0x1a/0x30 [ 2787.241074][ T10] [ 2787.243811][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2787.243811][ T10] netdev_get_by_index+0x5e/0x80 [ 2787.243811][ T10] fib6_nh_init+0x3d8/0x1580 [ 2787.243811][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2787.243811][ T10] ip6_route_add+0x1c/0x140 [ 2787.243811][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2787.243811][ T10] inet6_addr_add+0x4f8/0xa40 [ 2787.243811][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2787.243811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2787.243811][ T10] netlink_rcv_skb+0x130/0x360 [ 2787.243811][ T10] netlink_unicast+0x449/0x710 [ 2787.243811][ T10] netlink_sendmsg+0x723/0xbe0 [ 2787.243811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2787.243811][ T10] ___sys_sendmsg+0xee/0x170 [ 2787.243811][ T10] __sys_sendmsg+0xcd/0x170 [ 2787.243811][ T10] do_syscall_64+0xc6/0x1e0 [ 2787.243811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2787.243811][ T10] [ 2787.246960][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2787.246960][ T10] netdev_get_by_index+0x5e/0x80 [ 2787.246960][ T10] fib6_nh_init+0x3d8/0x1580 [ 2787.246960][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2787.246960][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2787.246960][ T10] ipv6_add_addr+0x411/0x2000 [ 2787.246960][ T10] inet6_addr_add+0x30e/0xa40 [ 2787.246960][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2787.246960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2787.246960][ T10] netlink_rcv_skb+0x130/0x360 [ 2787.246960][ T10] netlink_unicast+0x449/0x710 [ 2787.246960][ T10] netlink_sendmsg+0x723/0xbe0 [ 2787.246960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2787.246960][ T10] ___sys_sendmsg+0xee/0x170 [ 2787.246960][ T10] __sys_sendmsg+0xcd/0x170 [ 2787.246960][ T10] do_syscall_64+0xc6/0x1e0 [ 2787.246960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2787.246960][ T10] [ 2787.250103][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2787.250103][ T10] netdev_get_by_index+0x5e/0x80 [ 2787.250103][ T10] fib6_nh_init+0x3d8/0x1580 [ 2787.250103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2787.250103][ T10] ip6_route_add+0x1c/0x140 [ 2787.250103][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2787.250103][ T10] addrconf_add_dev+0xe2/0x170 [ 2787.250103][ T10] inet6_addr_add+0x12f/0xa40 [ 2787.250103][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2787.250103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2787.250103][ T10] netlink_rcv_skb+0x130/0x360 [ 2787.250103][ T10] netlink_unicast+0x449/0x710 [ 2787.250103][ T10] netlink_sendmsg+0x723/0xbe0 [ 2787.250103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2787.250103][ T10] ___sys_sendmsg+0xee/0x170 [ 2787.250103][ T10] __sys_sendmsg+0xcd/0x170 [ 2787.250103][ T10] do_syscall_64+0xc6/0x1e0 [ 2787.250103][ T10] [ 2787.253274][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2787.253274][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2787.253274][ T10] ipv6_find_idev+0x102/0x170 [ 2787.253274][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2787.253274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2787.253274][ T10] netlink_rcv_skb+0x130/0x360 [ 2787.253274][ T10] netlink_unicast+0x449/0x710 [ 2787.253274][ T10] netlink_sendmsg+0x723/0xbe0 [ 2787.253274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2787.253274][ T10] ___sys_sendmsg+0xee/0x170 [ 2787.253274][ T10] __sys_sendmsg+0xcd/0x170 [ 2787.253274][ T10] do_syscall_64+0xc6/0x1e0 [ 2787.253274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2787.253274][ T10] [ 2787.255835][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2787.255835][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2787.255835][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2787.255835][ T10] ipv6_find_idev+0x102/0x170 [ 2787.255835][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2787.255835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2787.255835][ T10] netlink_rcv_skb+0x130/0x360 [ 2787.255835][ T10] netlink_unicast+0x449/0x710 [ 2787.255835][ T10] netlink_sendmsg+0x723/0xbe0 [ 2787.255835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2787.255835][ T10] ___sys_sendmsg+0xee/0x170 [ 2787.255835][ T10] __sys_sendmsg+0xcd/0x170 [ 2787.255835][ T10] do_syscall_64+0xc6/0x1e0 [ 2787.255835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2787.255835][ T10] [ 2787.258503][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2787.258864][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2787.258864][ T10] netdev_get_by_index+0x5e/0x80 [ 2787.258864][ T10] fib6_nh_init+0x3d8/0x1580 [ 2787.258864][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2787.258864][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2787.258864][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2787.258864][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2787.258864][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2787.258864][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2787.258864][ T10] addrconf_dad_begin+0x310/0x670 [ 2787.258864][ T10] addrconf_dad_work+0x10b/0xab0 [ 2787.258864][ T10] process_one_work+0x84d/0x18a0 [ 2787.258864][ T10] worker_thread+0x587/0xd30 [ 2787.258864][ T10] kthread+0x28a/0x350 [ 2787.258864][ T10] ret_from_fork+0x31/0x70 [ 2787.258864][ T10] ret_from_fork_asm+0x1a/0x30 [ 2787.258864][ T10] [ 2787.261898][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2787.261898][ T10] netdev_get_by_index+0x5e/0x80 [ 2787.261898][ T10] fib6_nh_init+0x3d8/0x1580 [ 2787.261898][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2787.261898][ T10] ip6_route_add+0x1c/0x140 [ 2787.261898][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2787.261898][ T10] inet6_addr_add+0x4f8/0xa40 [ 2787.261898][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2787.261898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2787.261898][ T10] netlink_rcv_skb+0x130/0x360 [ 2787.261898][ T10] netlink_unicast+0x449/0x710 [ 2787.261898][ T10] netlink_sendmsg+0x723/0xbe0 [ 2787.261898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2787.261898][ T10] ___sys_sendmsg+0xee/0x170 [ 2787.261898][ T10] __sys_sendmsg+0xcd/0x170 [ 2787.261898][ T10] do_syscall_64+0xc6/0x1e0 [ 2787.261898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2787.261898][ T10] [ 2787.265138][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2787.265138][ T10] netdev_get_by_index+0x5e/0x80 [ 2787.265138][ T10] fib6_nh_init+0x3d8/0x1580 [ 2787.265138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2787.265138][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2787.265138][ T10] ipv6_add_addr+0x411/0x2000 [ 2787.265138][ T10] inet6_addr_add+0x30e/0xa40 [ 2787.265138][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2787.265138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2787.265138][ T10] netlink_rcv_skb+0x130/0x360 [ 2787.265138][ T10] netlink_unicast+0x449/0x710 [ 2787.265138][ T10] netlink_sendmsg+0x723/0xbe0 [ 2787.265138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2787.265138][ T10] ___sys_sendmsg+0xee/0x170 [ 2787.265138][ T10] __sys_sendmsg+0xcd/0x170 [ 2787.265138][ T10] do_syscall_64+0xc6/0x1e0 [ 2787.265138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2787.265138][ T10] [ 2787.268334][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2787.268334][ T10] netdev_get_by_index+0x5e/0x80 [ 2787.268334][ T10] fib6_nh_init+0x3d8/0x1580 [ 2787.268334][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2787.268334][ T10] ip6_route_add+0x1c/0x140 [ 2787.268334][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2787.268334][ T10] addrconf_add_dev+0xe2/0x170 [ 2787.268334][ T10] inet6_addr_add+0x12f/0xa40 [ 2787.268334][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2787.268334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2787.268334][ T10] netlink_rcv_skb+0x130/0x360 [ 2787.268334][ T10] netlink_unicast+0x449/0x710 [ 2787.268334][ T10] netlink_sendmsg+0x723/0xbe0 [ 2787.268334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2787.268334][ T10] ___sys_sendmsg+0xee/0x170 [ 2787.268334][ T10] __sys_sendmsg+0xcd/0x170 [ 2787.268334][ T10] do_syscall_64+0xc6/0x1e0 [ 2787.268334][ T10] [ 2787.271502][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2787.271502][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2787.271502][ T10] ipv6_find_idev+0x102/0x170 [ 2787.271502][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2787.271502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2787.271502][ T10] netlink_rcv_skb+0x130/0x360 [ 2787.271502][ T10] netlink_unicast+0x449/0x710 [ 2787.271502][ T10] netlink_sendmsg+0x723/0xbe0 [ 2787.271502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2787.271502][ T10] ___sys_sendmsg+0xee/0x170 [ 2787.271502][ T10] __sys_sendmsg+0xcd/0x170 [ 2787.271502][ T10] do_syscall_64+0xc6/0x1e0 [ 2787.271502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2787.271502][ T10] [ 2787.273930][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2787.273930][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2787.273930][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2787.273930][ T10] ipv6_find_idev+0x102/0x170 [ 2787.273930][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2787.273930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2787.273930][ T10] netlink_rcv_skb+0x130/0x360 [ 2787.273930][ T10] netlink_unicast+0x449/0x710 [ 2787.273930][ T10] netlink_sendmsg+0x723/0xbe0 [ 2787.273930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2787.273930][ T10] ___sys_sendmsg+0xee/0x170 [ 2787.273930][ T10] __sys_sendmsg+0xcd/0x170 [ 2787.273930][ T10] do_syscall_64+0xc6/0x1e0 [ 2787.273930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2787.273930][ T10] [ 2790.025083][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2790.025519][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2790.025519][ T1167] dst_init+0x84/0x4a0 [ 2790.025519][ T1167] dst_alloc+0x97/0x150 [ 2790.025519][ T1167] ip6_dst_alloc+0x23/0x90 [ 2790.025519][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2790.025519][ T1167] ip6_pol_route+0x56f/0x840 [ 2790.025519][ T1167] fib6_rule_lookup+0x334/0x630 [ 2790.025519][ T1167] ip6_route_output_flags+0x259/0x480 [ 2790.025519][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2790.025519][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2790.025519][ T1167] netlink_rcv_skb+0x130/0x360 [ 2790.025519][ T1167] netlink_unicast+0x449/0x710 [ 2790.025519][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2790.025519][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2790.025519][ T1167] ___sys_sendmsg+0xee/0x170 [ 2790.025519][ T1167] __sys_sendmsg+0xcd/0x170 [ 2790.025519][ T1167] do_syscall_64+0xc6/0x1e0 [ 2790.025519][ T1167] [ 2790.027721][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2790.027721][ T1167] netdev_get_by_index+0x5e/0x80 [ 2790.027721][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2790.027721][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2790.027721][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2790.027721][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2790.027721][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2790.027721][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2790.027721][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2790.027721][ T1167] addrconf_dad_begin+0x310/0x670 [ 2790.027721][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2790.027721][ T1167] process_one_work+0x84d/0x18a0 [ 2790.027721][ T1167] worker_thread+0x587/0xd30 [ 2790.027721][ T1167] kthread+0x28a/0x350 [ 2790.027721][ T1167] ret_from_fork+0x31/0x70 [ 2790.027721][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2790.027721][ T1167] [ 2790.029915][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2790.029915][ T1167] netdev_get_by_index+0x5e/0x80 [ 2790.029915][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2790.029915][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2790.029915][ T1167] ip6_route_add+0x1c/0x140 [ 2790.029915][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2790.029915][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2790.029915][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2790.029915][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.029915][ T1167] netlink_rcv_skb+0x130/0x360 [ 2790.029915][ T1167] netlink_unicast+0x449/0x710 [ 2790.029915][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2790.029915][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2790.029915][ T1167] ___sys_sendmsg+0xee/0x170 [ 2790.029915][ T1167] __sys_sendmsg+0xcd/0x170 [ 2790.029915][ T1167] do_syscall_64+0xc6/0x1e0 [ 2790.029915][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.029915][ T1167] [ 2790.032174][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2790.032174][ T1167] netdev_get_by_index+0x5e/0x80 [ 2790.032174][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2790.032174][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2790.032174][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2790.032174][ T1167] ipv6_add_addr+0x411/0x2000 [ 2790.032174][ T1167] inet6_addr_add+0x30e/0xa40 [ 2790.032174][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2790.032174][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.032174][ T1167] netlink_rcv_skb+0x130/0x360 [ 2790.032174][ T1167] netlink_unicast+0x449/0x710 [ 2790.032174][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2790.032174][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2790.032174][ T1167] ___sys_sendmsg+0xee/0x170 [ 2790.032174][ T1167] __sys_sendmsg+0xcd/0x170 [ 2790.032174][ T1167] do_syscall_64+0xc6/0x1e0 [ 2790.032174][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.032174][ T1167] [ 2790.034444][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2790.034444][ T1167] netdev_get_by_index+0x5e/0x80 [ 2790.034444][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2790.034444][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2790.034444][ T1167] ip6_route_add+0x1c/0x140 [ 2790.034444][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2790.034444][ T1167] addrconf_add_dev+0xe2/0x170 [ 2790.034444][ T1167] inet6_addr_add+0x12f/0xa40 [ 2790.034444][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2790.034444][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.034444][ T1167] netlink_rcv_skb+0x130/0x360 [ 2790.034444][ T1167] netlink_unicast+0x449/0x710 [ 2790.034444][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2790.034444][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2790.034444][ T1167] ___sys_sendmsg+0xee/0x170 [ 2790.034444][ T1167] __sys_sendmsg+0xcd/0x170 [ 2790.034444][ T1167] do_syscall_64+0xc6/0x1e0 [ 2790.034444][ T1167] [ 2790.036678][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2790.036678][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2790.036678][ T1167] ipv6_find_idev+0x102/0x170 [ 2790.036678][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2790.036678][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.036678][ T1167] netlink_rcv_skb+0x130/0x360 [ 2790.036678][ T1167] netlink_unicast+0x449/0x710 [ 2790.036678][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2790.036678][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2790.036678][ T1167] ___sys_sendmsg+0xee/0x170 [ 2790.036678][ T1167] __sys_sendmsg+0xcd/0x170 [ 2790.036678][ T1167] do_syscall_64+0xc6/0x1e0 [ 2790.036678][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.036678][ T1167] [ 2790.038474][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2790.038474][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2790.038474][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2790.038474][ T1167] ipv6_find_idev+0x102/0x170 [ 2790.038474][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2790.038474][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.038474][ T1167] netlink_rcv_skb+0x130/0x360 [ 2790.038474][ T1167] netlink_unicast+0x449/0x710 [ 2790.038474][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2790.038474][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2790.038474][ T1167] ___sys_sendmsg+0xee/0x170 [ 2790.038474][ T1167] __sys_sendmsg+0xcd/0x170 [ 2790.038474][ T1167] do_syscall_64+0xc6/0x1e0 [ 2790.038474][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.038474][ T1167] [ 2797.513138][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2797.513479][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2797.513479][ T10] netdev_get_by_index+0x5e/0x80 [ 2797.513479][ T10] fib6_nh_init+0x3d8/0x1580 [ 2797.513479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2797.513479][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2797.513479][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2797.513479][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2797.513479][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2797.513479][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2797.513479][ T10] addrconf_dad_begin+0x310/0x670 [ 2797.513479][ T10] addrconf_dad_work+0x10b/0xab0 [ 2797.513479][ T10] process_one_work+0x84d/0x18a0 [ 2797.513479][ T10] worker_thread+0x587/0xd30 [ 2797.513479][ T10] kthread+0x28a/0x350 [ 2797.513479][ T10] ret_from_fork+0x31/0x70 [ 2797.513479][ T10] ret_from_fork_asm+0x1a/0x30 [ 2797.513479][ T10] [ 2797.515409][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2797.515409][ T10] netdev_get_by_index+0x5e/0x80 [ 2797.515409][ T10] fib6_nh_init+0x3d8/0x1580 [ 2797.515409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2797.515409][ T10] ip6_route_add+0x1c/0x140 [ 2797.515409][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2797.515409][ T10] inet6_addr_add+0x4f8/0xa40 [ 2797.515409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2797.515409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2797.515409][ T10] netlink_rcv_skb+0x130/0x360 [ 2797.515409][ T10] netlink_unicast+0x449/0x710 [ 2797.515409][ T10] netlink_sendmsg+0x723/0xbe0 [ 2797.515409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2797.515409][ T10] ___sys_sendmsg+0xee/0x170 [ 2797.515409][ T10] __sys_sendmsg+0xcd/0x170 [ 2797.515409][ T10] do_syscall_64+0xc6/0x1e0 [ 2797.515409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2797.515409][ T10] [ 2797.517391][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2797.517391][ T10] netdev_get_by_index+0x5e/0x80 [ 2797.517391][ T10] fib6_nh_init+0x3d8/0x1580 [ 2797.517391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2797.517391][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2797.517391][ T10] ipv6_add_addr+0x411/0x2000 [ 2797.517391][ T10] inet6_addr_add+0x30e/0xa40 [ 2797.517391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2797.517391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2797.517391][ T10] netlink_rcv_skb+0x130/0x360 [ 2797.517391][ T10] netlink_unicast+0x449/0x710 [ 2797.517391][ T10] netlink_sendmsg+0x723/0xbe0 [ 2797.517391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2797.517391][ T10] ___sys_sendmsg+0xee/0x170 [ 2797.517391][ T10] __sys_sendmsg+0xcd/0x170 [ 2797.517391][ T10] do_syscall_64+0xc6/0x1e0 [ 2797.517391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2797.517391][ T10] [ 2797.519380][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2797.519380][ T10] netdev_get_by_index+0x5e/0x80 [ 2797.519380][ T10] fib6_nh_init+0x3d8/0x1580 [ 2797.519380][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2797.519380][ T10] ip6_route_add+0x1c/0x140 [ 2797.519380][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2797.519380][ T10] addrconf_add_dev+0xe2/0x170 [ 2797.519380][ T10] inet6_addr_add+0x12f/0xa40 [ 2797.519380][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2797.519380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2797.519380][ T10] netlink_rcv_skb+0x130/0x360 [ 2797.519380][ T10] netlink_unicast+0x449/0x710 [ 2797.519380][ T10] netlink_sendmsg+0x723/0xbe0 [ 2797.519380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2797.519380][ T10] ___sys_sendmsg+0xee/0x170 [ 2797.519380][ T10] __sys_sendmsg+0xcd/0x170 [ 2797.519380][ T10] do_syscall_64+0xc6/0x1e0 [ 2797.519380][ T10] [ 2797.521340][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2797.521340][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2797.521340][ T10] ipv6_find_idev+0x102/0x170 [ 2797.521340][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2797.521340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2797.521340][ T10] netlink_rcv_skb+0x130/0x360 [ 2797.521340][ T10] netlink_unicast+0x449/0x710 [ 2797.521340][ T10] netlink_sendmsg+0x723/0xbe0 [ 2797.521340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2797.521340][ T10] ___sys_sendmsg+0xee/0x170 [ 2797.521340][ T10] __sys_sendmsg+0xcd/0x170 [ 2797.521340][ T10] do_syscall_64+0xc6/0x1e0 [ 2797.521340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2797.521340][ T10] [ 2797.522864][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2797.522864][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2797.522864][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2797.522864][ T10] ipv6_find_idev+0x102/0x170 [ 2797.522864][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2797.522864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2797.522864][ T10] netlink_rcv_skb+0x130/0x360 [ 2797.522864][ T10] netlink_unicast+0x449/0x710 [ 2797.522864][ T10] netlink_sendmsg+0x723/0xbe0 [ 2797.522864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2797.522864][ T10] ___sys_sendmsg+0xee/0x170 [ 2797.522864][ T10] __sys_sendmsg+0xcd/0x170 [ 2797.522864][ T10] do_syscall_64+0xc6/0x1e0 [ 2797.522864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2797.522864][ T10] [ 2797.524538][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2797.524783][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2797.524783][ T10] netdev_get_by_index+0x5e/0x80 [ 2797.524783][ T10] fib6_nh_init+0x3d8/0x1580 [ 2797.524783][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2797.524783][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2797.524783][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2797.524783][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2797.524783][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2797.524783][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2797.524783][ T10] addrconf_dad_begin+0x310/0x670 [ 2797.524783][ T10] addrconf_dad_work+0x10b/0xab0 [ 2797.524783][ T10] process_one_work+0x84d/0x18a0 [ 2797.524783][ T10] worker_thread+0x587/0xd30 [ 2797.524783][ T10] kthread+0x28a/0x350 [ 2797.524783][ T10] ret_from_fork+0x31/0x70 [ 2797.524783][ T10] ret_from_fork_asm+0x1a/0x30 [ 2797.524783][ T10] [ 2797.526678][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2797.526678][ T10] netdev_get_by_index+0x5e/0x80 [ 2797.526678][ T10] fib6_nh_init+0x3d8/0x1580 [ 2797.526678][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2797.526678][ T10] ip6_route_add+0x1c/0x140 [ 2797.526678][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2797.526678][ T10] inet6_addr_add+0x4f8/0xa40 [ 2797.526678][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2797.526678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2797.526678][ T10] netlink_rcv_skb+0x130/0x360 [ 2797.526678][ T10] netlink_unicast+0x449/0x710 [ 2797.526678][ T10] netlink_sendmsg+0x723/0xbe0 [ 2797.526678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2797.526678][ T10] ___sys_sendmsg+0xee/0x170 [ 2797.526678][ T10] __sys_sendmsg+0xcd/0x170 [ 2797.526678][ T10] do_syscall_64+0xc6/0x1e0 [ 2797.526678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2797.526678][ T10] [ 2797.528659][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2797.528659][ T10] netdev_get_by_index+0x5e/0x80 [ 2797.528659][ T10] fib6_nh_init+0x3d8/0x1580 [ 2797.528659][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2797.528659][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2797.528659][ T10] ipv6_add_addr+0x411/0x2000 [ 2797.528659][ T10] inet6_addr_add+0x30e/0xa40 [ 2797.528659][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2797.528659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2797.528659][ T10] netlink_rcv_skb+0x130/0x360 [ 2797.528659][ T10] netlink_unicast+0x449/0x710 [ 2797.528659][ T10] netlink_sendmsg+0x723/0xbe0 [ 2797.528659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2797.528659][ T10] ___sys_sendmsg+0xee/0x170 [ 2797.528659][ T10] __sys_sendmsg+0xcd/0x170 [ 2797.528659][ T10] do_syscall_64+0xc6/0x1e0 [ 2797.528659][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2797.528659][ T10] [ 2797.530639][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2797.530639][ T10] netdev_get_by_index+0x5e/0x80 [ 2797.530639][ T10] fib6_nh_init+0x3d8/0x1580 [ 2797.530639][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2797.530639][ T10] ip6_route_add+0x1c/0x140 [ 2797.530639][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2797.530639][ T10] addrconf_add_dev+0xe2/0x170 [ 2797.530639][ T10] inet6_addr_add+0x12f/0xa40 [ 2797.530639][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2797.530639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2797.530639][ T10] netlink_rcv_skb+0x130/0x360 [ 2797.530639][ T10] netlink_unicast+0x449/0x710 [ 2797.530639][ T10] netlink_sendmsg+0x723/0xbe0 [ 2797.530639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2797.530639][ T10] ___sys_sendmsg+0xee/0x170 [ 2797.530639][ T10] __sys_sendmsg+0xcd/0x170 [ 2797.530639][ T10] do_syscall_64+0xc6/0x1e0 [ 2797.530639][ T10] [ 2797.532581][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2797.532581][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2797.532581][ T10] ipv6_find_idev+0x102/0x170 [ 2797.532581][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2797.532581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2797.532581][ T10] netlink_rcv_skb+0x130/0x360 [ 2797.532581][ T10] netlink_unicast+0x449/0x710 [ 2797.532581][ T10] netlink_sendmsg+0x723/0xbe0 [ 2797.532581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2797.532581][ T10] ___sys_sendmsg+0xee/0x170 [ 2797.532581][ T10] __sys_sendmsg+0xcd/0x170 [ 2797.532581][ T10] do_syscall_64+0xc6/0x1e0 [ 2797.532581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2797.532581][ T10] [ 2797.534104][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2797.534104][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2797.534104][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2797.534104][ T10] ipv6_find_idev+0x102/0x170 [ 2797.534104][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2797.534104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2797.534104][ T10] netlink_rcv_skb+0x130/0x360 [ 2797.534104][ T10] netlink_unicast+0x449/0x710 [ 2797.534104][ T10] netlink_sendmsg+0x723/0xbe0 [ 2797.534104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2797.534104][ T10] ___sys_sendmsg+0xee/0x170 [ 2797.534104][ T10] __sys_sendmsg+0xcd/0x170 [ 2797.534104][ T10] do_syscall_64+0xc6/0x1e0 [ 2797.534104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2797.534104][ T10] [ 2797.535775][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2797.536015][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2797.536015][ T10] netdev_get_by_index+0x5e/0x80 [ 2797.536015][ T10] fib6_nh_init+0x3d8/0x1580 [ 2797.536015][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2797.536015][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2797.536015][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2797.536015][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2797.536015][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2797.536015][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2797.536015][ T10] addrconf_dad_begin+0x310/0x670 [ 2797.536015][ T10] addrconf_dad_work+0x10b/0xab0 [ 2797.536015][ T10] process_one_work+0x84d/0x18a0 [ 2797.536015][ T10] worker_thread+0x587/0xd30 [ 2797.536015][ T10] kthread+0x28a/0x350 [ 2797.536015][ T10] ret_from_fork+0x31/0x70 [ 2797.536015][ T10] ret_from_fork_asm+0x1a/0x30 [ 2797.536015][ T10] [ 2797.538657][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2797.538657][ T10] netdev_get_by_index+0x5e/0x80 [ 2797.538657][ T10] fib6_nh_init+0x3d8/0x1580 [ 2797.538657][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2797.538657][ T10] ip6_route_add+0x1c/0x140 [ 2797.538657][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2797.538657][ T10] inet6_addr_add+0x4f8/0xa40 [ 2797.538657][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2797.538657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2797.538657][ T10] netlink_rcv_skb+0x130/0x360 [ 2797.538657][ T10] netlink_unicast+0x449/0x710 [ 2797.538657][ T10] netlink_sendmsg+0x723/0xbe0 [ 2797.538657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2797.538657][ T10] ___sys_sendmsg+0xee/0x170 [ 2797.538657][ T10] __sys_sendmsg+0xcd/0x170 [ 2797.538657][ T10] do_syscall_64+0xc6/0x1e0 [ 2797.538657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2797.538657][ T10] [ 2797.542218][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2797.542218][ T10] netdev_get_by_index+0x5e/0x80 [ 2797.542218][ T10] fib6_nh_init+0x3d8/0x1580 [ 2797.542218][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2797.542218][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2797.542218][ T10] ipv6_add_addr+0x411/0x2000 [ 2797.542218][ T10] inet6_addr_add+0x30e/0xa40 [ 2797.542218][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2797.542218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2797.542218][ T10] netlink_rcv_skb+0x130/0x360 [ 2797.542218][ T10] netlink_unicast+0x449/0x710 [ 2797.542218][ T10] netlink_sendmsg+0x723/0xbe0 [ 2797.542218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2797.542218][ T10] ___sys_sendmsg+0xee/0x170 [ 2797.542218][ T10] __sys_sendmsg+0xcd/0x170 [ 2797.542218][ T10] do_syscall_64+0xc6/0x1e0 [ 2797.542218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2797.542218][ T10] [ 2797.545681][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2797.545681][ T10] netdev_get_by_index+0x5e/0x80 [ 2797.545681][ T10] fib6_nh_init+0x3d8/0x1580 [ 2797.545681][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2797.545681][ T10] ip6_route_add+0x1c/0x140 [ 2797.545681][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2797.545681][ T10] addrconf_add_dev+0xe2/0x170 [ 2797.545681][ T10] inet6_addr_add+0x12f/0xa40 [ 2797.545681][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2797.545681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2797.545681][ T10] netlink_rcv_skb+0x130/0x360 [ 2797.545681][ T10] netlink_unicast+0x449/0x710 [ 2797.545681][ T10] netlink_sendmsg+0x723/0xbe0 [ 2797.545681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2797.545681][ T10] ___sys_sendmsg+0xee/0x170 [ 2797.545681][ T10] __sys_sendmsg+0xcd/0x170 [ 2797.545681][ T10] do_syscall_64+0xc6/0x1e0 [ 2797.545681][ T10] [ 2797.548848][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2797.548848][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2797.548848][ T10] ipv6_find_idev+0x102/0x170 [ 2797.548848][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2797.548848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2797.548848][ T10] netlink_rcv_skb+0x130/0x360 [ 2797.548848][ T10] netlink_unicast+0x449/0x710 [ 2797.548848][ T10] netlink_sendmsg+0x723/0xbe0 [ 2797.548848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2797.548848][ T10] ___sys_sendmsg+0xee/0x170 [ 2797.548848][ T10] __sys_sendmsg+0xcd/0x170 [ 2797.548848][ T10] do_syscall_64+0xc6/0x1e0 [ 2797.548848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2797.548848][ T10] [ 2797.551588][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2797.551588][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2797.551588][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2797.551588][ T10] ipv6_find_idev+0x102/0x170 [ 2797.551588][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2797.551588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2797.551588][ T10] netlink_rcv_skb+0x130/0x360 [ 2797.551588][ T10] netlink_unicast+0x449/0x710 [ 2797.551588][ T10] netlink_sendmsg+0x723/0xbe0 [ 2797.551588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2797.551588][ T10] ___sys_sendmsg+0xee/0x170 [ 2797.551588][ T10] __sys_sendmsg+0xcd/0x170 [ 2797.551588][ T10] do_syscall_64+0xc6/0x1e0 [ 2797.551588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2797.551588][ T10] [ 2797.554427][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2797.554779][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2797.554779][ T10] netdev_get_by_index+0x5e/0x80 [ 2797.554779][ T10] fib6_nh_init+0x3d8/0x1580 [ 2797.554779][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2797.554779][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2797.554779][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2797.554779][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2797.554779][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2797.554779][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2797.554779][ T10] addrconf_dad_begin+0x310/0x670 [ 2797.554779][ T10] addrconf_dad_work+0x10b/0xab0 [ 2797.554779][ T10] process_one_work+0x84d/0x18a0 [ 2797.554779][ T10] worker_thread+0x587/0xd30 [ 2797.554779][ T10] kthread+0x28a/0x350 [ 2797.554779][ T10] ret_from_fork+0x31/0x70 [ 2797.554779][ T10] ret_from_fork_asm+0x1a/0x30 [ 2797.554779][ T10] [ 2797.558048][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2797.558048][ T10] netdev_get_by_index+0x5e/0x80 [ 2797.558048][ T10] fib6_nh_init+0x3d8/0x1580 [ 2797.558048][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2797.558048][ T10] ip6_route_add+0x1c/0x140 [ 2797.558048][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2797.558048][ T10] inet6_addr_add+0x4f8/0xa40 [ 2797.558048][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2797.558048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2797.558048][ T10] netlink_rcv_skb+0x130/0x360 [ 2797.558048][ T10] netlink_unicast+0x449/0x710 [ 2797.558048][ T10] netlink_sendmsg+0x723/0xbe0 [ 2797.558048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2797.558048][ T10] ___sys_sendmsg+0xee/0x170 [ 2797.558048][ T10] __sys_sendmsg+0xcd/0x170 [ 2797.558048][ T10] do_syscall_64+0xc6/0x1e0 [ 2797.558048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2797.558048][ T10] [ 2797.561433][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2797.561433][ T10] netdev_get_by_index+0x5e/0x80 [ 2797.561433][ T10] fib6_nh_init+0x3d8/0x1580 [ 2797.561433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2797.561433][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2797.561433][ T10] ipv6_add_addr+0x411/0x2000 [ 2797.561433][ T10] inet6_addr_add+0x30e/0xa40 [ 2797.561433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2797.561433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2797.561433][ T10] netlink_rcv_skb+0x130/0x360 [ 2797.561433][ T10] netlink_unicast+0x449/0x710 [ 2797.561433][ T10] netlink_sendmsg+0x723/0xbe0 [ 2797.561433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2797.561433][ T10] ___sys_sendmsg+0xee/0x170 [ 2797.561433][ T10] __sys_sendmsg+0xcd/0x170 [ 2797.561433][ T10] do_syscall_64+0xc6/0x1e0 [ 2797.561433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2797.561433][ T10] [ 2797.564726][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2797.564726][ T10] netdev_get_by_index+0x5e/0x80 [ 2797.564726][ T10] fib6_nh_init+0x3d8/0x1580 [ 2797.564726][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2797.564726][ T10] ip6_route_add+0x1c/0x140 [ 2797.564726][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2797.564726][ T10] addrconf_add_dev+0xe2/0x170 [ 2797.564726][ T10] inet6_addr_add+0x12f/0xa40 [ 2797.564726][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2797.564726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2797.564726][ T10] netlink_rcv_skb+0x130/0x360 [ 2797.564726][ T10] netlink_unicast+0x449/0x710 [ 2797.564726][ T10] netlink_sendmsg+0x723/0xbe0 [ 2797.564726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2797.564726][ T10] ___sys_sendmsg+0xee/0x170 [ 2797.564726][ T10] __sys_sendmsg+0xcd/0x170 [ 2797.564726][ T10] do_syscall_64+0xc6/0x1e0 [ 2797.564726][ T10] [ 2797.568141][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2797.568141][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2797.568141][ T10] ipv6_find_idev+0x102/0x170 [ 2797.568141][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2797.568141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2797.568141][ T10] netlink_rcv_skb+0x130/0x360 [ 2797.568141][ T10] netlink_unicast+0x449/0x710 [ 2797.568141][ T10] netlink_sendmsg+0x723/0xbe0 [ 2797.568141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2797.568141][ T10] ___sys_sendmsg+0xee/0x170 [ 2797.568141][ T10] __sys_sendmsg+0xcd/0x170 [ 2797.568141][ T10] do_syscall_64+0xc6/0x1e0 [ 2797.568141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2797.568141][ T10] [ 2797.570785][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2797.570785][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2797.570785][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2797.570785][ T10] ipv6_find_idev+0x102/0x170 [ 2797.570785][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2797.570785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2797.570785][ T10] netlink_rcv_skb+0x130/0x360 [ 2797.570785][ T10] netlink_unicast+0x449/0x710 [ 2797.570785][ T10] netlink_sendmsg+0x723/0xbe0 [ 2797.570785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2797.570785][ T10] ___sys_sendmsg+0xee/0x170 [ 2797.570785][ T10] __sys_sendmsg+0xcd/0x170 [ 2797.570785][ T10] do_syscall_64+0xc6/0x1e0 [ 2797.570785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2797.570785][ T10] [ 2800.281098][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2800.281609][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2800.281609][ T1167] dst_init+0x84/0x4a0 [ 2800.281609][ T1167] dst_alloc+0x97/0x150 [ 2800.281609][ T1167] ip6_dst_alloc+0x23/0x90 [ 2800.281609][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2800.281609][ T1167] ip6_pol_route+0x56f/0x840 [ 2800.281609][ T1167] fib6_rule_lookup+0x334/0x630 [ 2800.281609][ T1167] ip6_route_output_flags+0x259/0x480 [ 2800.281609][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2800.281609][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2800.281609][ T1167] netlink_rcv_skb+0x130/0x360 [ 2800.281609][ T1167] netlink_unicast+0x449/0x710 [ 2800.281609][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2800.281609][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2800.281609][ T1167] ___sys_sendmsg+0xee/0x170 [ 2800.281609][ T1167] __sys_sendmsg+0xcd/0x170 [ 2800.281609][ T1167] do_syscall_64+0xc6/0x1e0 [ 2800.281609][ T1167] [ 2800.283935][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2800.283935][ T1167] netdev_get_by_index+0x5e/0x80 [ 2800.283935][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2800.283935][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2800.283935][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2800.283935][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2800.283935][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2800.283935][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2800.283935][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2800.283935][ T1167] addrconf_dad_begin+0x310/0x670 [ 2800.283935][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2800.283935][ T1167] process_one_work+0x84d/0x18a0 [ 2800.283935][ T1167] worker_thread+0x587/0xd30 [ 2800.283935][ T1167] kthread+0x28a/0x350 [ 2800.283935][ T1167] ret_from_fork+0x31/0x70 [ 2800.283935][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2800.283935][ T1167] [ 2800.286182][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2800.286182][ T1167] netdev_get_by_index+0x5e/0x80 [ 2800.286182][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2800.286182][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2800.286182][ T1167] ip6_route_add+0x1c/0x140 [ 2800.286182][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2800.286182][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2800.286182][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2800.286182][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2800.286182][ T1167] netlink_rcv_skb+0x130/0x360 [ 2800.286182][ T1167] netlink_unicast+0x449/0x710 [ 2800.286182][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2800.286182][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2800.286182][ T1167] ___sys_sendmsg+0xee/0x170 [ 2800.286182][ T1167] __sys_sendmsg+0xcd/0x170 [ 2800.286182][ T1167] do_syscall_64+0xc6/0x1e0 [ 2800.286182][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2800.286182][ T1167] [ 2800.288429][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2800.288429][ T1167] netdev_get_by_index+0x5e/0x80 [ 2800.288429][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2800.288429][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2800.288429][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2800.288429][ T1167] ipv6_add_addr+0x411/0x2000 [ 2800.288429][ T1167] inet6_addr_add+0x30e/0xa40 [ 2800.288429][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2800.288429][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2800.288429][ T1167] netlink_rcv_skb+0x130/0x360 [ 2800.288429][ T1167] netlink_unicast+0x449/0x710 [ 2800.288429][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2800.288429][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2800.288429][ T1167] ___sys_sendmsg+0xee/0x170 [ 2800.288429][ T1167] __sys_sendmsg+0xcd/0x170 [ 2800.288429][ T1167] do_syscall_64+0xc6/0x1e0 [ 2800.288429][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2800.288429][ T1167] [ 2800.290694][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2800.290694][ T1167] netdev_get_by_index+0x5e/0x80 [ 2800.290694][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2800.290694][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2800.290694][ T1167] ip6_route_add+0x1c/0x140 [ 2800.290694][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2800.290694][ T1167] addrconf_add_dev+0xe2/0x170 [ 2800.290694][ T1167] inet6_addr_add+0x12f/0xa40 [ 2800.290694][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2800.290694][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2800.290694][ T1167] netlink_rcv_skb+0x130/0x360 [ 2800.290694][ T1167] netlink_unicast+0x449/0x710 [ 2800.290694][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2800.290694][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2800.290694][ T1167] ___sys_sendmsg+0xee/0x170 [ 2800.290694][ T1167] __sys_sendmsg+0xcd/0x170 [ 2800.290694][ T1167] do_syscall_64+0xc6/0x1e0 [ 2800.290694][ T1167] [ 2800.292904][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2800.292904][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2800.292904][ T1167] ipv6_find_idev+0x102/0x170 [ 2800.292904][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2800.292904][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2800.292904][ T1167] netlink_rcv_skb+0x130/0x360 [ 2800.292904][ T1167] netlink_unicast+0x449/0x710 [ 2800.292904][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2800.292904][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2800.292904][ T1167] ___sys_sendmsg+0xee/0x170 [ 2800.292904][ T1167] __sys_sendmsg+0xcd/0x170 [ 2800.292904][ T1167] do_syscall_64+0xc6/0x1e0 [ 2800.292904][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2800.292904][ T1167] [ 2800.294641][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2800.294641][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2800.294641][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2800.294641][ T1167] ipv6_find_idev+0x102/0x170 [ 2800.294641][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2800.294641][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2800.294641][ T1167] netlink_rcv_skb+0x130/0x360 [ 2800.294641][ T1167] netlink_unicast+0x449/0x710 [ 2800.294641][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2800.294641][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2800.294641][ T1167] ___sys_sendmsg+0xee/0x170 [ 2800.294641][ T1167] __sys_sendmsg+0xcd/0x170 [ 2800.294641][ T1167] do_syscall_64+0xc6/0x1e0 [ 2800.294641][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2800.294641][ T1167] [ 2807.817120][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2807.817574][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2807.817574][ T10] netdev_get_by_index+0x5e/0x80 [ 2807.817574][ T10] fib6_nh_init+0x3d8/0x1580 [ 2807.817574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2807.817574][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2807.817574][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2807.817574][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2807.817574][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2807.817574][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2807.817574][ T10] addrconf_dad_begin+0x310/0x670 [ 2807.817574][ T10] addrconf_dad_work+0x10b/0xab0 [ 2807.817574][ T10] process_one_work+0x84d/0x18a0 [ 2807.817574][ T10] worker_thread+0x587/0xd30 [ 2807.817574][ T10] kthread+0x28a/0x350 [ 2807.817574][ T10] ret_from_fork+0x31/0x70 [ 2807.817574][ T10] ret_from_fork_asm+0x1a/0x30 [ 2807.817574][ T10] [ 2807.819493][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2807.819493][ T10] netdev_get_by_index+0x5e/0x80 [ 2807.819493][ T10] fib6_nh_init+0x3d8/0x1580 [ 2807.819493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2807.819493][ T10] ip6_route_add+0x1c/0x140 [ 2807.819493][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2807.819493][ T10] inet6_addr_add+0x4f8/0xa40 [ 2807.819493][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2807.819493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2807.819493][ T10] netlink_rcv_skb+0x130/0x360 [ 2807.819493][ T10] netlink_unicast+0x449/0x710 [ 2807.819493][ T10] netlink_sendmsg+0x723/0xbe0 [ 2807.819493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2807.819493][ T10] ___sys_sendmsg+0xee/0x170 [ 2807.819493][ T10] __sys_sendmsg+0xcd/0x170 [ 2807.819493][ T10] do_syscall_64+0xc6/0x1e0 [ 2807.819493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2807.819493][ T10] [ 2807.821480][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2807.821480][ T10] netdev_get_by_index+0x5e/0x80 [ 2807.821480][ T10] fib6_nh_init+0x3d8/0x1580 [ 2807.821480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2807.821480][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2807.821480][ T10] ipv6_add_addr+0x411/0x2000 [ 2807.821480][ T10] inet6_addr_add+0x30e/0xa40 [ 2807.821480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2807.821480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2807.821480][ T10] netlink_rcv_skb+0x130/0x360 [ 2807.821480][ T10] netlink_unicast+0x449/0x710 [ 2807.821480][ T10] netlink_sendmsg+0x723/0xbe0 [ 2807.821480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2807.821480][ T10] ___sys_sendmsg+0xee/0x170 [ 2807.821480][ T10] __sys_sendmsg+0xcd/0x170 [ 2807.821480][ T10] do_syscall_64+0xc6/0x1e0 [ 2807.821480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2807.821480][ T10] [ 2807.823462][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2807.823462][ T10] netdev_get_by_index+0x5e/0x80 [ 2807.823462][ T10] fib6_nh_init+0x3d8/0x1580 [ 2807.823462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2807.823462][ T10] ip6_route_add+0x1c/0x140 [ 2807.823462][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2807.823462][ T10] addrconf_add_dev+0xe2/0x170 [ 2807.823462][ T10] inet6_addr_add+0x12f/0xa40 [ 2807.823462][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2807.823462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2807.823462][ T10] netlink_rcv_skb+0x130/0x360 [ 2807.823462][ T10] netlink_unicast+0x449/0x710 [ 2807.823462][ T10] netlink_sendmsg+0x723/0xbe0 [ 2807.823462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2807.823462][ T10] ___sys_sendmsg+0xee/0x170 [ 2807.823462][ T10] __sys_sendmsg+0xcd/0x170 [ 2807.823462][ T10] do_syscall_64+0xc6/0x1e0 [ 2807.823462][ T10] [ 2807.825426][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2807.825426][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2807.825426][ T10] ipv6_find_idev+0x102/0x170 [ 2807.825426][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2807.825426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2807.825426][ T10] netlink_rcv_skb+0x130/0x360 [ 2807.825426][ T10] netlink_unicast+0x449/0x710 [ 2807.825426][ T10] netlink_sendmsg+0x723/0xbe0 [ 2807.825426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2807.825426][ T10] ___sys_sendmsg+0xee/0x170 [ 2807.825426][ T10] __sys_sendmsg+0xcd/0x170 [ 2807.825426][ T10] do_syscall_64+0xc6/0x1e0 [ 2807.825426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2807.825426][ T10] [ 2807.827909][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2807.827909][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2807.827909][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2807.827909][ T10] ipv6_find_idev+0x102/0x170 [ 2807.827909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2807.827909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2807.827909][ T10] netlink_rcv_skb+0x130/0x360 [ 2807.827909][ T10] netlink_unicast+0x449/0x710 [ 2807.827909][ T10] netlink_sendmsg+0x723/0xbe0 [ 2807.827909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2807.827909][ T10] ___sys_sendmsg+0xee/0x170 [ 2807.827909][ T10] __sys_sendmsg+0xcd/0x170 [ 2807.827909][ T10] do_syscall_64+0xc6/0x1e0 [ 2807.827909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2807.827909][ T10] [ 2807.829586][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2807.829830][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2807.829830][ T10] netdev_get_by_index+0x5e/0x80 [ 2807.829830][ T10] fib6_nh_init+0x3d8/0x1580 [ 2807.829830][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2807.829830][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2807.829830][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2807.829830][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2807.829830][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2807.829830][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2807.829830][ T10] addrconf_dad_begin+0x310/0x670 [ 2807.829830][ T10] addrconf_dad_work+0x10b/0xab0 [ 2807.829830][ T10] process_one_work+0x84d/0x18a0 [ 2807.829830][ T10] worker_thread+0x587/0xd30 [ 2807.829830][ T10] kthread+0x28a/0x350 [ 2807.829830][ T10] ret_from_fork+0x31/0x70 [ 2807.829830][ T10] ret_from_fork_asm+0x1a/0x30 [ 2807.829830][ T10] [ 2807.831725][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2807.831725][ T10] netdev_get_by_index+0x5e/0x80 [ 2807.831725][ T10] fib6_nh_init+0x3d8/0x1580 [ 2807.831725][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2807.831725][ T10] ip6_route_add+0x1c/0x140 [ 2807.831725][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2807.831725][ T10] inet6_addr_add+0x4f8/0xa40 [ 2807.831725][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2807.831725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2807.831725][ T10] netlink_rcv_skb+0x130/0x360 [ 2807.831725][ T10] netlink_unicast+0x449/0x710 [ 2807.831725][ T10] netlink_sendmsg+0x723/0xbe0 [ 2807.831725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2807.831725][ T10] ___sys_sendmsg+0xee/0x170 [ 2807.831725][ T10] __sys_sendmsg+0xcd/0x170 [ 2807.831725][ T10] do_syscall_64+0xc6/0x1e0 [ 2807.831725][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2807.831725][ T10] [ 2807.833705][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2807.833705][ T10] netdev_get_by_index+0x5e/0x80 [ 2807.833705][ T10] fib6_nh_init+0x3d8/0x1580 [ 2807.833705][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2807.833705][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2807.833705][ T10] ipv6_add_addr+0x411/0x2000 [ 2807.833705][ T10] inet6_addr_add+0x30e/0xa40 [ 2807.833705][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2807.833705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2807.833705][ T10] netlink_rcv_skb+0x130/0x360 [ 2807.833705][ T10] netlink_unicast+0x449/0x710 [ 2807.833705][ T10] netlink_sendmsg+0x723/0xbe0 [ 2807.833705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2807.833705][ T10] ___sys_sendmsg+0xee/0x170 [ 2807.833705][ T10] __sys_sendmsg+0xcd/0x170 [ 2807.833705][ T10] do_syscall_64+0xc6/0x1e0 [ 2807.833705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2807.833705][ T10] [ 2807.835723][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2807.835723][ T10] netdev_get_by_index+0x5e/0x80 [ 2807.835723][ T10] fib6_nh_init+0x3d8/0x1580 [ 2807.835723][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2807.835723][ T10] ip6_route_add+0x1c/0x140 [ 2807.835723][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2807.835723][ T10] addrconf_add_dev+0xe2/0x170 [ 2807.835723][ T10] inet6_addr_add+0x12f/0xa40 [ 2807.835723][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2807.835723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2807.835723][ T10] netlink_rcv_skb+0x130/0x360 [ 2807.835723][ T10] netlink_unicast+0x449/0x710 [ 2807.835723][ T10] netlink_sendmsg+0x723/0xbe0 [ 2807.835723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2807.835723][ T10] ___sys_sendmsg+0xee/0x170 [ 2807.835723][ T10] __sys_sendmsg+0xcd/0x170 [ 2807.835723][ T10] do_syscall_64+0xc6/0x1e0 [ 2807.835723][ T10] [ 2807.837707][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2807.837707][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2807.837707][ T10] ipv6_find_idev+0x102/0x170 [ 2807.837707][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2807.837707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2807.837707][ T10] netlink_rcv_skb+0x130/0x360 [ 2807.837707][ T10] netlink_unicast+0x449/0x710 [ 2807.837707][ T10] netlink_sendmsg+0x723/0xbe0 [ 2807.837707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2807.837707][ T10] ___sys_sendmsg+0xee/0x170 [ 2807.837707][ T10] __sys_sendmsg+0xcd/0x170 [ 2807.837707][ T10] do_syscall_64+0xc6/0x1e0 [ 2807.837707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2807.837707][ T10] [ 2807.839250][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2807.839250][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2807.839250][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2807.839250][ T10] ipv6_find_idev+0x102/0x170 [ 2807.839250][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2807.839250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2807.839250][ T10] netlink_rcv_skb+0x130/0x360 [ 2807.839250][ T10] netlink_unicast+0x449/0x710 [ 2807.839250][ T10] netlink_sendmsg+0x723/0xbe0 [ 2807.839250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2807.839250][ T10] ___sys_sendmsg+0xee/0x170 [ 2807.839250][ T10] __sys_sendmsg+0xcd/0x170 [ 2807.839250][ T10] do_syscall_64+0xc6/0x1e0 [ 2807.839250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2807.839250][ T10] [ 2807.840950][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2807.841205][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2807.841205][ T10] netdev_get_by_index+0x5e/0x80 [ 2807.841205][ T10] fib6_nh_init+0x3d8/0x1580 [ 2807.841205][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2807.841205][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2807.841205][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2807.841205][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2807.841205][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2807.841205][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2807.841205][ T10] addrconf_dad_begin+0x310/0x670 [ 2807.841205][ T10] addrconf_dad_work+0x10b/0xab0 [ 2807.841205][ T10] process_one_work+0x84d/0x18a0 [ 2807.841205][ T10] worker_thread+0x587/0xd30 [ 2807.841205][ T10] kthread+0x28a/0x350 [ 2807.841205][ T10] ret_from_fork+0x31/0x70 [ 2807.841205][ T10] ret_from_fork_asm+0x1a/0x30 [ 2807.841205][ T10] [ 2807.843116][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2807.843116][ T10] netdev_get_by_index+0x5e/0x80 [ 2807.843116][ T10] fib6_nh_init+0x3d8/0x1580 [ 2807.843116][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2807.843116][ T10] ip6_route_add+0x1c/0x140 [ 2807.843116][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2807.843116][ T10] inet6_addr_add+0x4f8/0xa40 [ 2807.843116][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2807.843116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2807.843116][ T10] netlink_rcv_skb+0x130/0x360 [ 2807.843116][ T10] netlink_unicast+0x449/0x710 [ 2807.843116][ T10] netlink_sendmsg+0x723/0xbe0 [ 2807.843116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2807.843116][ T10] ___sys_sendmsg+0xee/0x170 [ 2807.843116][ T10] __sys_sendmsg+0xcd/0x170 [ 2807.843116][ T10] do_syscall_64+0xc6/0x1e0 [ 2807.843116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2807.843116][ T10] [ 2807.845305][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2807.845305][ T10] netdev_get_by_index+0x5e/0x80 [ 2807.845305][ T10] fib6_nh_init+0x3d8/0x1580 [ 2807.845305][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2807.845305][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2807.845305][ T10] ipv6_add_addr+0x411/0x2000 [ 2807.845305][ T10] inet6_addr_add+0x30e/0xa40 [ 2807.845305][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2807.845305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2807.845305][ T10] netlink_rcv_skb+0x130/0x360 [ 2807.845305][ T10] netlink_unicast+0x449/0x710 [ 2807.845305][ T10] netlink_sendmsg+0x723/0xbe0 [ 2807.845305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2807.845305][ T10] ___sys_sendmsg+0xee/0x170 [ 2807.845305][ T10] __sys_sendmsg+0xcd/0x170 [ 2807.845305][ T10] do_syscall_64+0xc6/0x1e0 [ 2807.845305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2807.845305][ T10] [ 2807.847605][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2807.847605][ T10] netdev_get_by_index+0x5e/0x80 [ 2807.847605][ T10] fib6_nh_init+0x3d8/0x1580 [ 2807.847605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2807.847605][ T10] ip6_route_add+0x1c/0x140 [ 2807.847605][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2807.847605][ T10] addrconf_add_dev+0xe2/0x170 [ 2807.847605][ T10] inet6_addr_add+0x12f/0xa40 [ 2807.847605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2807.847605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2807.847605][ T10] netlink_rcv_skb+0x130/0x360 [ 2807.847605][ T10] netlink_unicast+0x449/0x710 [ 2807.847605][ T10] netlink_sendmsg+0x723/0xbe0 [ 2807.847605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2807.847605][ T10] ___sys_sendmsg+0xee/0x170 [ 2807.847605][ T10] __sys_sendmsg+0xcd/0x170 [ 2807.847605][ T10] do_syscall_64+0xc6/0x1e0 [ 2807.847605][ T10] [ 2807.849810][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2807.849810][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2807.849810][ T10] ipv6_find_idev+0x102/0x170 [ 2807.849810][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2807.849810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2807.849810][ T10] netlink_rcv_skb+0x130/0x360 [ 2807.849810][ T10] netlink_unicast+0x449/0x710 [ 2807.849810][ T10] netlink_sendmsg+0x723/0xbe0 [ 2807.849810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2807.849810][ T10] ___sys_sendmsg+0xee/0x170 [ 2807.849810][ T10] __sys_sendmsg+0xcd/0x170 [ 2807.849810][ T10] do_syscall_64+0xc6/0x1e0 [ 2807.849810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2807.849810][ T10] [ 2807.851530][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2807.851530][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2807.851530][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2807.851530][ T10] ipv6_find_idev+0x102/0x170 [ 2807.851530][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2807.851530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2807.851530][ T10] netlink_rcv_skb+0x130/0x360 [ 2807.851530][ T10] netlink_unicast+0x449/0x710 [ 2807.851530][ T10] netlink_sendmsg+0x723/0xbe0 [ 2807.851530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2807.851530][ T10] ___sys_sendmsg+0xee/0x170 [ 2807.851530][ T10] __sys_sendmsg+0xcd/0x170 [ 2807.851530][ T10] do_syscall_64+0xc6/0x1e0 [ 2807.851530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2807.851530][ T10] [ 2807.853346][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2807.853589][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2807.853589][ T10] netdev_get_by_index+0x5e/0x80 [ 2807.853589][ T10] fib6_nh_init+0x3d8/0x1580 [ 2807.853589][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2807.853589][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2807.853589][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2807.853589][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2807.853589][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2807.853589][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2807.853589][ T10] addrconf_dad_begin+0x310/0x670 [ 2807.853589][ T10] addrconf_dad_work+0x10b/0xab0 [ 2807.853589][ T10] process_one_work+0x84d/0x18a0 [ 2807.853589][ T10] worker_thread+0x587/0xd30 [ 2807.853589][ T10] kthread+0x28a/0x350 [ 2807.853589][ T10] ret_from_fork+0x31/0x70 [ 2807.853589][ T10] ret_from_fork_asm+0x1a/0x30 [ 2807.853589][ T10] [ 2807.855822][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2807.855822][ T10] netdev_get_by_index+0x5e/0x80 [ 2807.855822][ T10] fib6_nh_init+0x3d8/0x1580 [ 2807.855822][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2807.855822][ T10] ip6_route_add+0x1c/0x140 [ 2807.855822][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2807.855822][ T10] inet6_addr_add+0x4f8/0xa40 [ 2807.855822][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2807.855822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2807.855822][ T10] netlink_rcv_skb+0x130/0x360 [ 2807.855822][ T10] netlink_unicast+0x449/0x710 [ 2807.855822][ T10] netlink_sendmsg+0x723/0xbe0 [ 2807.855822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2807.855822][ T10] ___sys_sendmsg+0xee/0x170 [ 2807.855822][ T10] __sys_sendmsg+0xcd/0x170 [ 2807.855822][ T10] do_syscall_64+0xc6/0x1e0 [ 2807.855822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2807.855822][ T10] [ 2807.858079][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2807.858079][ T10] netdev_get_by_index+0x5e/0x80 [ 2807.858079][ T10] fib6_nh_init+0x3d8/0x1580 [ 2807.858079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2807.858079][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2807.858079][ T10] ipv6_add_addr+0x411/0x2000 [ 2807.858079][ T10] inet6_addr_add+0x30e/0xa40 [ 2807.858079][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2807.858079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2807.858079][ T10] netlink_rcv_skb+0x130/0x360 [ 2807.858079][ T10] netlink_unicast+0x449/0x710 [ 2807.858079][ T10] netlink_sendmsg+0x723/0xbe0 [ 2807.858079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2807.858079][ T10] ___sys_sendmsg+0xee/0x170 [ 2807.858079][ T10] __sys_sendmsg+0xcd/0x170 [ 2807.858079][ T10] do_syscall_64+0xc6/0x1e0 [ 2807.858079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2807.858079][ T10] [ 2807.860347][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2807.860347][ T10] netdev_get_by_index+0x5e/0x80 [ 2807.860347][ T10] fib6_nh_init+0x3d8/0x1580 [ 2807.860347][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2807.860347][ T10] ip6_route_add+0x1c/0x140 [ 2807.860347][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2807.860347][ T10] addrconf_add_dev+0xe2/0x170 [ 2807.860347][ T10] inet6_addr_add+0x12f/0xa40 [ 2807.860347][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2807.860347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2807.860347][ T10] netlink_rcv_skb+0x130/0x360 [ 2807.860347][ T10] netlink_unicast+0x449/0x710 [ 2807.860347][ T10] netlink_sendmsg+0x723/0xbe0 [ 2807.860347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2807.860347][ T10] ___sys_sendmsg+0xee/0x170 [ 2807.860347][ T10] __sys_sendmsg+0xcd/0x170 [ 2807.860347][ T10] do_syscall_64+0xc6/0x1e0 [ 2807.860347][ T10] [ 2807.862543][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2807.862543][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2807.862543][ T10] ipv6_find_idev+0x102/0x170 [ 2807.862543][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2807.862543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2807.862543][ T10] netlink_rcv_skb+0x130/0x360 [ 2807.862543][ T10] netlink_unicast+0x449/0x710 [ 2807.862543][ T10] netlink_sendmsg+0x723/0xbe0 [ 2807.862543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2807.862543][ T10] ___sys_sendmsg+0xee/0x170 [ 2807.862543][ T10] __sys_sendmsg+0xcd/0x170 [ 2807.862543][ T10] do_syscall_64+0xc6/0x1e0 [ 2807.862543][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2807.862543][ T10] [ 2807.864246][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2807.864246][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2807.864246][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2807.864246][ T10] ipv6_find_idev+0x102/0x170 [ 2807.864246][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2807.864246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2807.864246][ T10] netlink_rcv_skb+0x130/0x360 [ 2807.864246][ T10] netlink_unicast+0x449/0x710 [ 2807.864246][ T10] netlink_sendmsg+0x723/0xbe0 [ 2807.864246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2807.864246][ T10] ___sys_sendmsg+0xee/0x170 [ 2807.864246][ T10] __sys_sendmsg+0xcd/0x170 [ 2807.864246][ T10] do_syscall_64+0xc6/0x1e0 [ 2807.864246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2807.864246][ T10] [ 2810.537163][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2810.537648][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2810.537648][ T1167] dst_init+0x84/0x4a0 [ 2810.537648][ T1167] dst_alloc+0x97/0x150 [ 2810.537648][ T1167] ip6_dst_alloc+0x23/0x90 [ 2810.537648][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2810.537648][ T1167] ip6_pol_route+0x56f/0x840 [ 2810.537648][ T1167] fib6_rule_lookup+0x334/0x630 [ 2810.537648][ T1167] ip6_route_output_flags+0x259/0x480 [ 2810.537648][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2810.537648][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2810.537648][ T1167] netlink_rcv_skb+0x130/0x360 [ 2810.537648][ T1167] netlink_unicast+0x449/0x710 [ 2810.537648][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2810.537648][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2810.537648][ T1167] ___sys_sendmsg+0xee/0x170 [ 2810.537648][ T1167] __sys_sendmsg+0xcd/0x170 [ 2810.537648][ T1167] do_syscall_64+0xc6/0x1e0 [ 2810.537648][ T1167] [ 2810.539975][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2810.539975][ T1167] netdev_get_by_index+0x5e/0x80 [ 2810.539975][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2810.539975][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2810.539975][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2810.539975][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2810.539975][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2810.539975][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2810.539975][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2810.539975][ T1167] addrconf_dad_begin+0x310/0x670 [ 2810.539975][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2810.539975][ T1167] process_one_work+0x84d/0x18a0 [ 2810.539975][ T1167] worker_thread+0x587/0xd30 [ 2810.539975][ T1167] kthread+0x28a/0x350 [ 2810.539975][ T1167] ret_from_fork+0x31/0x70 [ 2810.539975][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2810.539975][ T1167] [ 2810.542142][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2810.542142][ T1167] netdev_get_by_index+0x5e/0x80 [ 2810.542142][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2810.542142][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2810.542142][ T1167] ip6_route_add+0x1c/0x140 [ 2810.542142][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2810.542142][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2810.542142][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2810.542142][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.542142][ T1167] netlink_rcv_skb+0x130/0x360 [ 2810.542142][ T1167] netlink_unicast+0x449/0x710 [ 2810.542142][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2810.542142][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2810.542142][ T1167] ___sys_sendmsg+0xee/0x170 [ 2810.542142][ T1167] __sys_sendmsg+0xcd/0x170 [ 2810.542142][ T1167] do_syscall_64+0xc6/0x1e0 [ 2810.542142][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2810.542142][ T1167] [ 2810.544398][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2810.544398][ T1167] netdev_get_by_index+0x5e/0x80 [ 2810.544398][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2810.544398][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2810.544398][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2810.544398][ T1167] ipv6_add_addr+0x411/0x2000 [ 2810.544398][ T1167] inet6_addr_add+0x30e/0xa40 [ 2810.544398][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2810.544398][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.544398][ T1167] netlink_rcv_skb+0x130/0x360 [ 2810.544398][ T1167] netlink_unicast+0x449/0x710 [ 2810.544398][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2810.544398][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2810.544398][ T1167] ___sys_sendmsg+0xee/0x170 [ 2810.544398][ T1167] __sys_sendmsg+0xcd/0x170 [ 2810.544398][ T1167] do_syscall_64+0xc6/0x1e0 [ 2810.544398][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2810.544398][ T1167] [ 2810.546671][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2810.546671][ T1167] netdev_get_by_index+0x5e/0x80 [ 2810.546671][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2810.546671][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2810.546671][ T1167] ip6_route_add+0x1c/0x140 [ 2810.546671][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2810.546671][ T1167] addrconf_add_dev+0xe2/0x170 [ 2810.546671][ T1167] inet6_addr_add+0x12f/0xa40 [ 2810.546671][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2810.546671][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.546671][ T1167] netlink_rcv_skb+0x130/0x360 [ 2810.546671][ T1167] netlink_unicast+0x449/0x710 [ 2810.546671][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2810.546671][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2810.546671][ T1167] ___sys_sendmsg+0xee/0x170 [ 2810.546671][ T1167] __sys_sendmsg+0xcd/0x170 [ 2810.546671][ T1167] do_syscall_64+0xc6/0x1e0 [ 2810.546671][ T1167] [ 2810.548889][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2810.548889][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2810.548889][ T1167] ipv6_find_idev+0x102/0x170 [ 2810.548889][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2810.548889][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.548889][ T1167] netlink_rcv_skb+0x130/0x360 [ 2810.548889][ T1167] netlink_unicast+0x449/0x710 [ 2810.548889][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2810.548889][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2810.548889][ T1167] ___sys_sendmsg+0xee/0x170 [ 2810.548889][ T1167] __sys_sendmsg+0xcd/0x170 [ 2810.548889][ T1167] do_syscall_64+0xc6/0x1e0 [ 2810.548889][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2810.548889][ T1167] [ 2810.550630][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2810.550630][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2810.550630][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2810.550630][ T1167] ipv6_find_idev+0x102/0x170 [ 2810.550630][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2810.550630][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.550630][ T1167] netlink_rcv_skb+0x130/0x360 [ 2810.550630][ T1167] netlink_unicast+0x449/0x710 [ 2810.550630][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2810.550630][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2810.550630][ T1167] ___sys_sendmsg+0xee/0x170 [ 2810.550630][ T1167] __sys_sendmsg+0xcd/0x170 [ 2810.550630][ T1167] do_syscall_64+0xc6/0x1e0 [ 2810.550630][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2810.550630][ T1167] [ 2817.881038][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2817.881414][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2817.881414][ T10] netdev_get_by_index+0x5e/0x80 [ 2817.881414][ T10] fib6_nh_init+0x3d8/0x1580 [ 2817.881414][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2817.881414][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2817.881414][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2817.881414][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2817.881414][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2817.881414][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2817.881414][ T10] addrconf_dad_begin+0x310/0x670 [ 2817.881414][ T10] addrconf_dad_work+0x10b/0xab0 [ 2817.881414][ T10] process_one_work+0x84d/0x18a0 [ 2817.881414][ T10] worker_thread+0x587/0xd30 [ 2817.881414][ T10] kthread+0x28a/0x350 [ 2817.881414][ T10] ret_from_fork+0x31/0x70 [ 2817.881414][ T10] ret_from_fork_asm+0x1a/0x30 [ 2817.881414][ T10] [ 2817.883365][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2817.883365][ T10] netdev_get_by_index+0x5e/0x80 [ 2817.883365][ T10] fib6_nh_init+0x3d8/0x1580 [ 2817.883365][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2817.883365][ T10] ip6_route_add+0x1c/0x140 [ 2817.883365][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2817.883365][ T10] inet6_addr_add+0x4f8/0xa40 [ 2817.883365][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2817.883365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2817.883365][ T10] netlink_rcv_skb+0x130/0x360 [ 2817.883365][ T10] netlink_unicast+0x449/0x710 [ 2817.883365][ T10] netlink_sendmsg+0x723/0xbe0 [ 2817.883365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2817.883365][ T10] ___sys_sendmsg+0xee/0x170 [ 2817.883365][ T10] __sys_sendmsg+0xcd/0x170 [ 2817.883365][ T10] do_syscall_64+0xc6/0x1e0 [ 2817.883365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2817.883365][ T10] [ 2817.885533][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2817.885533][ T10] netdev_get_by_index+0x5e/0x80 [ 2817.885533][ T10] fib6_nh_init+0x3d8/0x1580 [ 2817.885533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2817.885533][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2817.885533][ T10] ipv6_add_addr+0x411/0x2000 [ 2817.885533][ T10] inet6_addr_add+0x30e/0xa40 [ 2817.885533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2817.885533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2817.885533][ T10] netlink_rcv_skb+0x130/0x360 [ 2817.885533][ T10] netlink_unicast+0x449/0x710 [ 2817.885533][ T10] netlink_sendmsg+0x723/0xbe0 [ 2817.885533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2817.885533][ T10] ___sys_sendmsg+0xee/0x170 [ 2817.885533][ T10] __sys_sendmsg+0xcd/0x170 [ 2817.885533][ T10] do_syscall_64+0xc6/0x1e0 [ 2817.885533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2817.885533][ T10] [ 2817.887695][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2817.887695][ T10] netdev_get_by_index+0x5e/0x80 [ 2817.887695][ T10] fib6_nh_init+0x3d8/0x1580 [ 2817.887695][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2817.887695][ T10] ip6_route_add+0x1c/0x140 [ 2817.887695][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2817.887695][ T10] addrconf_add_dev+0xe2/0x170 [ 2817.887695][ T10] inet6_addr_add+0x12f/0xa40 [ 2817.887695][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2817.887695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2817.887695][ T10] netlink_rcv_skb+0x130/0x360 [ 2817.887695][ T10] netlink_unicast+0x449/0x710 [ 2817.887695][ T10] netlink_sendmsg+0x723/0xbe0 [ 2817.887695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2817.887695][ T10] ___sys_sendmsg+0xee/0x170 [ 2817.887695][ T10] __sys_sendmsg+0xcd/0x170 [ 2817.887695][ T10] do_syscall_64+0xc6/0x1e0 [ 2817.887695][ T10] [ 2817.889818][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2817.889818][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2817.889818][ T10] ipv6_find_idev+0x102/0x170 [ 2817.889818][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2817.889818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2817.889818][ T10] netlink_rcv_skb+0x130/0x360 [ 2817.889818][ T10] netlink_unicast+0x449/0x710 [ 2817.889818][ T10] netlink_sendmsg+0x723/0xbe0 [ 2817.889818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2817.889818][ T10] ___sys_sendmsg+0xee/0x170 [ 2817.889818][ T10] __sys_sendmsg+0xcd/0x170 [ 2817.889818][ T10] do_syscall_64+0xc6/0x1e0 [ 2817.889818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2817.889818][ T10] [ 2817.891508][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2817.891508][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2817.891508][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2817.891508][ T10] ipv6_find_idev+0x102/0x170 [ 2817.891508][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2817.891508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2817.891508][ T10] netlink_rcv_skb+0x130/0x360 [ 2817.891508][ T10] netlink_unicast+0x449/0x710 [ 2817.891508][ T10] netlink_sendmsg+0x723/0xbe0 [ 2817.891508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2817.891508][ T10] ___sys_sendmsg+0xee/0x170 [ 2817.891508][ T10] __sys_sendmsg+0xcd/0x170 [ 2817.891508][ T10] do_syscall_64+0xc6/0x1e0 [ 2817.891508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2817.891508][ T10] [ 2817.893285][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2817.893561][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2817.893561][ T10] netdev_get_by_index+0x5e/0x80 [ 2817.893561][ T10] fib6_nh_init+0x3d8/0x1580 [ 2817.893561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2817.893561][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2817.893561][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2817.893561][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2817.893561][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2817.893561][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2817.893561][ T10] addrconf_dad_begin+0x310/0x670 [ 2817.893561][ T10] addrconf_dad_work+0x10b/0xab0 [ 2817.893561][ T10] process_one_work+0x84d/0x18a0 [ 2817.893561][ T10] worker_thread+0x587/0xd30 [ 2817.893561][ T10] kthread+0x28a/0x350 [ 2817.893561][ T10] ret_from_fork+0x31/0x70 [ 2817.893561][ T10] ret_from_fork_asm+0x1a/0x30 [ 2817.893561][ T10] [ 2817.895627][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2817.895627][ T10] netdev_get_by_index+0x5e/0x80 [ 2817.895627][ T10] fib6_nh_init+0x3d8/0x1580 [ 2817.895627][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2817.895627][ T10] ip6_route_add+0x1c/0x140 [ 2817.895627][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2817.895627][ T10] inet6_addr_add+0x4f8/0xa40 [ 2817.895627][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2817.895627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2817.895627][ T10] netlink_rcv_skb+0x130/0x360 [ 2817.895627][ T10] netlink_unicast+0x449/0x710 [ 2817.895627][ T10] netlink_sendmsg+0x723/0xbe0 [ 2817.895627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2817.895627][ T10] ___sys_sendmsg+0xee/0x170 [ 2817.895627][ T10] __sys_sendmsg+0xcd/0x170 [ 2817.895627][ T10] do_syscall_64+0xc6/0x1e0 [ 2817.895627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2817.895627][ T10] [ 2817.897755][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2817.897755][ T10] netdev_get_by_index+0x5e/0x80 [ 2817.897755][ T10] fib6_nh_init+0x3d8/0x1580 [ 2817.897755][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2817.897755][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2817.897755][ T10] ipv6_add_addr+0x411/0x2000 [ 2817.897755][ T10] inet6_addr_add+0x30e/0xa40 [ 2817.897755][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2817.897755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2817.897755][ T10] netlink_rcv_skb+0x130/0x360 [ 2817.897755][ T10] netlink_unicast+0x449/0x710 [ 2817.897755][ T10] netlink_sendmsg+0x723/0xbe0 [ 2817.897755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2817.897755][ T10] ___sys_sendmsg+0xee/0x170 [ 2817.897755][ T10] __sys_sendmsg+0xcd/0x170 [ 2817.897755][ T10] do_syscall_64+0xc6/0x1e0 [ 2817.897755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2817.897755][ T10] [ 2817.899933][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2817.899933][ T10] netdev_get_by_index+0x5e/0x80 [ 2817.899933][ T10] fib6_nh_init+0x3d8/0x1580 [ 2817.899933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2817.899933][ T10] ip6_route_add+0x1c/0x140 [ 2817.899933][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2817.899933][ T10] addrconf_add_dev+0xe2/0x170 [ 2817.899933][ T10] inet6_addr_add+0x12f/0xa40 [ 2817.899933][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2817.899933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2817.899933][ T10] netlink_rcv_skb+0x130/0x360 [ 2817.899933][ T10] netlink_unicast+0x449/0x710 [ 2817.899933][ T10] netlink_sendmsg+0x723/0xbe0 [ 2817.899933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2817.899933][ T10] ___sys_sendmsg+0xee/0x170 [ 2817.899933][ T10] __sys_sendmsg+0xcd/0x170 [ 2817.899933][ T10] do_syscall_64+0xc6/0x1e0 [ 2817.899933][ T10] [ 2817.901910][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2817.901910][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2817.901910][ T10] ipv6_find_idev+0x102/0x170 [ 2817.901910][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2817.901910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2817.901910][ T10] netlink_rcv_skb+0x130/0x360 [ 2817.901910][ T10] netlink_unicast+0x449/0x710 [ 2817.901910][ T10] netlink_sendmsg+0x723/0xbe0 [ 2817.901910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2817.901910][ T10] ___sys_sendmsg+0xee/0x170 [ 2817.901910][ T10] __sys_sendmsg+0xcd/0x170 [ 2817.901910][ T10] do_syscall_64+0xc6/0x1e0 [ 2817.901910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2817.901910][ T10] [ 2817.903455][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2817.903455][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2817.903455][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2817.903455][ T10] ipv6_find_idev+0x102/0x170 [ 2817.903455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2817.903455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2817.903455][ T10] netlink_rcv_skb+0x130/0x360 [ 2817.903455][ T10] netlink_unicast+0x449/0x710 [ 2817.903455][ T10] netlink_sendmsg+0x723/0xbe0 [ 2817.903455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2817.903455][ T10] ___sys_sendmsg+0xee/0x170 [ 2817.903455][ T10] __sys_sendmsg+0xcd/0x170 [ 2817.903455][ T10] do_syscall_64+0xc6/0x1e0 [ 2817.903455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2817.903455][ T10] [ 2817.905166][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2817.905413][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2817.905413][ T10] netdev_get_by_index+0x5e/0x80 [ 2817.905413][ T10] fib6_nh_init+0x3d8/0x1580 [ 2817.905413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2817.905413][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2817.905413][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2817.905413][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2817.905413][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2817.905413][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2817.905413][ T10] addrconf_dad_begin+0x310/0x670 [ 2817.905413][ T10] addrconf_dad_work+0x10b/0xab0 [ 2817.905413][ T10] process_one_work+0x84d/0x18a0 [ 2817.905413][ T10] worker_thread+0x587/0xd30 [ 2817.905413][ T10] kthread+0x28a/0x350 [ 2817.905413][ T10] ret_from_fork+0x31/0x70 [ 2817.905413][ T10] ret_from_fork_asm+0x1a/0x30 [ 2817.905413][ T10] [ 2817.907411][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2817.907411][ T10] netdev_get_by_index+0x5e/0x80 [ 2817.907411][ T10] fib6_nh_init+0x3d8/0x1580 [ 2817.907411][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2817.907411][ T10] ip6_route_add+0x1c/0x140 [ 2817.907411][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2817.907411][ T10] inet6_addr_add+0x4f8/0xa40 [ 2817.907411][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2817.907411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2817.907411][ T10] netlink_rcv_skb+0x130/0x360 [ 2817.907411][ T10] netlink_unicast+0x449/0x710 [ 2817.907411][ T10] netlink_sendmsg+0x723/0xbe0 [ 2817.907411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2817.907411][ T10] ___sys_sendmsg+0xee/0x170 [ 2817.907411][ T10] __sys_sendmsg+0xcd/0x170 [ 2817.907411][ T10] do_syscall_64+0xc6/0x1e0 [ 2817.907411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2817.907411][ T10] [ 2817.909647][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2817.909647][ T10] netdev_get_by_index+0x5e/0x80 [ 2817.909647][ T10] fib6_nh_init+0x3d8/0x1580 [ 2817.909647][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2817.909647][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2817.909647][ T10] ipv6_add_addr+0x411/0x2000 [ 2817.909647][ T10] inet6_addr_add+0x30e/0xa40 [ 2817.909647][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2817.909647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2817.909647][ T10] netlink_rcv_skb+0x130/0x360 [ 2817.909647][ T10] netlink_unicast+0x449/0x710 [ 2817.909647][ T10] netlink_sendmsg+0x723/0xbe0 [ 2817.909647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2817.909647][ T10] ___sys_sendmsg+0xee/0x170 [ 2817.909647][ T10] __sys_sendmsg+0xcd/0x170 [ 2817.909647][ T10] do_syscall_64+0xc6/0x1e0 [ 2817.909647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2817.909647][ T10] [ 2817.911955][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2817.911955][ T10] netdev_get_by_index+0x5e/0x80 [ 2817.911955][ T10] fib6_nh_init+0x3d8/0x1580 [ 2817.911955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2817.911955][ T10] ip6_route_add+0x1c/0x140 [ 2817.911955][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2817.911955][ T10] addrconf_add_dev+0xe2/0x170 [ 2817.911955][ T10] inet6_addr_add+0x12f/0xa40 [ 2817.911955][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2817.911955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2817.911955][ T10] netlink_rcv_skb+0x130/0x360 [ 2817.911955][ T10] netlink_unicast+0x449/0x710 [ 2817.911955][ T10] netlink_sendmsg+0x723/0xbe0 [ 2817.911955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2817.911955][ T10] ___sys_sendmsg+0xee/0x170 [ 2817.911955][ T10] __sys_sendmsg+0xcd/0x170 [ 2817.911955][ T10] do_syscall_64+0xc6/0x1e0 [ 2817.911955][ T10] [ 2817.914113][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2817.914113][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2817.914113][ T10] ipv6_find_idev+0x102/0x170 [ 2817.914113][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2817.914113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2817.914113][ T10] netlink_rcv_skb+0x130/0x360 [ 2817.914113][ T10] netlink_unicast+0x449/0x710 [ 2817.914113][ T10] netlink_sendmsg+0x723/0xbe0 [ 2817.914113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2817.914113][ T10] ___sys_sendmsg+0xee/0x170 [ 2817.914113][ T10] __sys_sendmsg+0xcd/0x170 [ 2817.914113][ T10] do_syscall_64+0xc6/0x1e0 [ 2817.914113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2817.914113][ T10] [ 2817.915747][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2817.915747][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2817.915747][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2817.915747][ T10] ipv6_find_idev+0x102/0x170 [ 2817.915747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2817.915747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2817.915747][ T10] netlink_rcv_skb+0x130/0x360 [ 2817.915747][ T10] netlink_unicast+0x449/0x710 [ 2817.915747][ T10] netlink_sendmsg+0x723/0xbe0 [ 2817.915747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2817.915747][ T10] ___sys_sendmsg+0xee/0x170 [ 2817.915747][ T10] __sys_sendmsg+0xcd/0x170 [ 2817.915747][ T10] do_syscall_64+0xc6/0x1e0 [ 2817.915747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2817.915747][ T10] [ 2817.917665][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2817.917929][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2817.917929][ T10] netdev_get_by_index+0x5e/0x80 [ 2817.917929][ T10] fib6_nh_init+0x3d8/0x1580 [ 2817.917929][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2817.917929][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2817.917929][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2817.917929][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2817.917929][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2817.917929][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2817.917929][ T10] addrconf_dad_begin+0x310/0x670 [ 2817.917929][ T10] addrconf_dad_work+0x10b/0xab0 [ 2817.917929][ T10] process_one_work+0x84d/0x18a0 [ 2817.917929][ T10] worker_thread+0x587/0xd30 [ 2817.917929][ T10] kthread+0x28a/0x350 [ 2817.917929][ T10] ret_from_fork+0x31/0x70 [ 2817.917929][ T10] ret_from_fork_asm+0x1a/0x30 [ 2817.917929][ T10] [ 2817.920149][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2817.920149][ T10] netdev_get_by_index+0x5e/0x80 [ 2817.920149][ T10] fib6_nh_init+0x3d8/0x1580 [ 2817.920149][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2817.920149][ T10] ip6_route_add+0x1c/0x140 [ 2817.920149][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2817.920149][ T10] inet6_addr_add+0x4f8/0xa40 [ 2817.920149][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2817.920149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2817.920149][ T10] netlink_rcv_skb+0x130/0x360 [ 2817.920149][ T10] netlink_unicast+0x449/0x710 [ 2817.920149][ T10] netlink_sendmsg+0x723/0xbe0 [ 2817.920149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2817.920149][ T10] ___sys_sendmsg+0xee/0x170 [ 2817.920149][ T10] __sys_sendmsg+0xcd/0x170 [ 2817.920149][ T10] do_syscall_64+0xc6/0x1e0 [ 2817.920149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2817.920149][ T10] [ 2817.922312][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2817.922312][ T10] netdev_get_by_index+0x5e/0x80 [ 2817.922312][ T10] fib6_nh_init+0x3d8/0x1580 [ 2817.922312][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2817.922312][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2817.922312][ T10] ipv6_add_addr+0x411/0x2000 [ 2817.922312][ T10] inet6_addr_add+0x30e/0xa40 [ 2817.922312][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2817.922312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2817.922312][ T10] netlink_rcv_skb+0x130/0x360 [ 2817.922312][ T10] netlink_unicast+0x449/0x710 [ 2817.922312][ T10] netlink_sendmsg+0x723/0xbe0 [ 2817.922312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2817.922312][ T10] ___sys_sendmsg+0xee/0x170 [ 2817.922312][ T10] __sys_sendmsg+0xcd/0x170 [ 2817.922312][ T10] do_syscall_64+0xc6/0x1e0 [ 2817.922312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2817.922312][ T10] [ 2817.924567][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2817.924567][ T10] netdev_get_by_index+0x5e/0x80 [ 2817.924567][ T10] fib6_nh_init+0x3d8/0x1580 [ 2817.924567][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2817.924567][ T10] ip6_route_add+0x1c/0x140 [ 2817.924567][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2817.924567][ T10] addrconf_add_dev+0xe2/0x170 [ 2817.924567][ T10] inet6_addr_add+0x12f/0xa40 [ 2817.924567][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2817.924567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2817.924567][ T10] netlink_rcv_skb+0x130/0x360 [ 2817.924567][ T10] netlink_unicast+0x449/0x710 [ 2817.924567][ T10] netlink_sendmsg+0x723/0xbe0 [ 2817.924567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2817.924567][ T10] ___sys_sendmsg+0xee/0x170 [ 2817.924567][ T10] __sys_sendmsg+0xcd/0x170 [ 2817.924567][ T10] do_syscall_64+0xc6/0x1e0 [ 2817.924567][ T10] [ 2817.926823][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2817.926823][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2817.926823][ T10] ipv6_find_idev+0x102/0x170 [ 2817.926823][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2817.926823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2817.926823][ T10] netlink_rcv_skb+0x130/0x360 [ 2817.926823][ T10] netlink_unicast+0x449/0x710 [ 2817.926823][ T10] netlink_sendmsg+0x723/0xbe0 [ 2817.926823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2817.926823][ T10] ___sys_sendmsg+0xee/0x170 [ 2817.926823][ T10] __sys_sendmsg+0xcd/0x170 [ 2817.926823][ T10] do_syscall_64+0xc6/0x1e0 [ 2817.926823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2817.926823][ T10] [ 2817.928522][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2817.928522][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2817.928522][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2817.928522][ T10] ipv6_find_idev+0x102/0x170 [ 2817.928522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2817.928522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2817.928522][ T10] netlink_rcv_skb+0x130/0x360 [ 2817.928522][ T10] netlink_unicast+0x449/0x710 [ 2817.928522][ T10] netlink_sendmsg+0x723/0xbe0 [ 2817.928522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2817.928522][ T10] ___sys_sendmsg+0xee/0x170 [ 2817.928522][ T10] __sys_sendmsg+0xcd/0x170 [ 2817.928522][ T10] do_syscall_64+0xc6/0x1e0 [ 2817.928522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2817.928522][ T10] [ 2820.697130][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2820.697560][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2820.697560][ T1167] dst_init+0x84/0x4a0 [ 2820.697560][ T1167] dst_alloc+0x97/0x150 [ 2820.697560][ T1167] ip6_dst_alloc+0x23/0x90 [ 2820.697560][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2820.697560][ T1167] ip6_pol_route+0x56f/0x840 [ 2820.697560][ T1167] fib6_rule_lookup+0x334/0x630 [ 2820.697560][ T1167] ip6_route_output_flags+0x259/0x480 [ 2820.697560][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2820.697560][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2820.697560][ T1167] netlink_rcv_skb+0x130/0x360 [ 2820.697560][ T1167] netlink_unicast+0x449/0x710 [ 2820.697560][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2820.697560][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2820.697560][ T1167] ___sys_sendmsg+0xee/0x170 [ 2820.697560][ T1167] __sys_sendmsg+0xcd/0x170 [ 2820.697560][ T1167] do_syscall_64+0xc6/0x1e0 [ 2820.697560][ T1167] [ 2820.699764][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2820.699764][ T1167] netdev_get_by_index+0x5e/0x80 [ 2820.699764][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2820.699764][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2820.699764][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2820.699764][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2820.699764][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2820.699764][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2820.699764][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2820.699764][ T1167] addrconf_dad_begin+0x310/0x670 [ 2820.699764][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2820.699764][ T1167] process_one_work+0x84d/0x18a0 [ 2820.699764][ T1167] worker_thread+0x587/0xd30 [ 2820.699764][ T1167] kthread+0x28a/0x350 [ 2820.699764][ T1167] ret_from_fork+0x31/0x70 [ 2820.699764][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2820.699764][ T1167] [ 2820.701930][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2820.701930][ T1167] netdev_get_by_index+0x5e/0x80 [ 2820.701930][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2820.701930][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2820.701930][ T1167] ip6_route_add+0x1c/0x140 [ 2820.701930][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2820.701930][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2820.701930][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2820.701930][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.701930][ T1167] netlink_rcv_skb+0x130/0x360 [ 2820.701930][ T1167] netlink_unicast+0x449/0x710 [ 2820.701930][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2820.701930][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2820.701930][ T1167] ___sys_sendmsg+0xee/0x170 [ 2820.701930][ T1167] __sys_sendmsg+0xcd/0x170 [ 2820.701930][ T1167] do_syscall_64+0xc6/0x1e0 [ 2820.701930][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2820.701930][ T1167] [ 2820.704187][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2820.704187][ T1167] netdev_get_by_index+0x5e/0x80 [ 2820.704187][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2820.704187][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2820.704187][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2820.704187][ T1167] ipv6_add_addr+0x411/0x2000 [ 2820.704187][ T1167] inet6_addr_add+0x30e/0xa40 [ 2820.704187][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2820.704187][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.704187][ T1167] netlink_rcv_skb+0x130/0x360 [ 2820.704187][ T1167] netlink_unicast+0x449/0x710 [ 2820.704187][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2820.704187][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2820.704187][ T1167] ___sys_sendmsg+0xee/0x170 [ 2820.704187][ T1167] __sys_sendmsg+0xcd/0x170 [ 2820.704187][ T1167] do_syscall_64+0xc6/0x1e0 [ 2820.704187][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2820.704187][ T1167] [ 2820.706460][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2820.706460][ T1167] netdev_get_by_index+0x5e/0x80 [ 2820.706460][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2820.706460][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2820.706460][ T1167] ip6_route_add+0x1c/0x140 [ 2820.706460][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2820.706460][ T1167] addrconf_add_dev+0xe2/0x170 [ 2820.706460][ T1167] inet6_addr_add+0x12f/0xa40 [ 2820.706460][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2820.706460][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.706460][ T1167] netlink_rcv_skb+0x130/0x360 [ 2820.706460][ T1167] netlink_unicast+0x449/0x710 [ 2820.706460][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2820.706460][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2820.706460][ T1167] ___sys_sendmsg+0xee/0x170 [ 2820.706460][ T1167] __sys_sendmsg+0xcd/0x170 [ 2820.706460][ T1167] do_syscall_64+0xc6/0x1e0 [ 2820.706460][ T1167] [ 2820.708670][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2820.708670][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2820.708670][ T1167] ipv6_find_idev+0x102/0x170 [ 2820.708670][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2820.708670][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.708670][ T1167] netlink_rcv_skb+0x130/0x360 [ 2820.708670][ T1167] netlink_unicast+0x449/0x710 [ 2820.708670][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2820.708670][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2820.708670][ T1167] ___sys_sendmsg+0xee/0x170 [ 2820.708670][ T1167] __sys_sendmsg+0xcd/0x170 [ 2820.708670][ T1167] do_syscall_64+0xc6/0x1e0 [ 2820.708670][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2820.708670][ T1167] [ 2820.710433][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2820.710433][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2820.710433][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2820.710433][ T1167] ipv6_find_idev+0x102/0x170 [ 2820.710433][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2820.710433][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.710433][ T1167] netlink_rcv_skb+0x130/0x360 [ 2820.710433][ T1167] netlink_unicast+0x449/0x710 [ 2820.710433][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2820.710433][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2820.710433][ T1167] ___sys_sendmsg+0xee/0x170 [ 2820.710433][ T1167] __sys_sendmsg+0xcd/0x170 [ 2820.710433][ T1167] do_syscall_64+0xc6/0x1e0 [ 2820.710433][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2820.710433][ T1167] [ 2827.977042][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2827.977493][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2827.977493][ T10] netdev_get_by_index+0x5e/0x80 [ 2827.977493][ T10] fib6_nh_init+0x3d8/0x1580 [ 2827.977493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2827.977493][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2827.977493][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2827.977493][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2827.977493][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2827.977493][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2827.977493][ T10] addrconf_dad_begin+0x310/0x670 [ 2827.977493][ T10] addrconf_dad_work+0x10b/0xab0 [ 2827.977493][ T10] process_one_work+0x84d/0x18a0 [ 2827.977493][ T10] worker_thread+0x587/0xd30 [ 2827.977493][ T10] kthread+0x28a/0x350 [ 2827.977493][ T10] ret_from_fork+0x31/0x70 [ 2827.977493][ T10] ret_from_fork_asm+0x1a/0x30 [ 2827.977493][ T10] [ 2827.979452][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2827.979452][ T10] netdev_get_by_index+0x5e/0x80 [ 2827.979452][ T10] fib6_nh_init+0x3d8/0x1580 [ 2827.979452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2827.979452][ T10] ip6_route_add+0x1c/0x140 [ 2827.979452][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2827.979452][ T10] inet6_addr_add+0x4f8/0xa40 [ 2827.979452][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2827.979452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2827.979452][ T10] netlink_rcv_skb+0x130/0x360 [ 2827.979452][ T10] netlink_unicast+0x449/0x710 [ 2827.979452][ T10] netlink_sendmsg+0x723/0xbe0 [ 2827.979452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2827.979452][ T10] ___sys_sendmsg+0xee/0x170 [ 2827.979452][ T10] __sys_sendmsg+0xcd/0x170 [ 2827.979452][ T10] do_syscall_64+0xc6/0x1e0 [ 2827.979452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2827.979452][ T10] [ 2827.981473][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2827.981473][ T10] netdev_get_by_index+0x5e/0x80 [ 2827.981473][ T10] fib6_nh_init+0x3d8/0x1580 [ 2827.981473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2827.981473][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2827.981473][ T10] ipv6_add_addr+0x411/0x2000 [ 2827.981473][ T10] inet6_addr_add+0x30e/0xa40 [ 2827.981473][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2827.981473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2827.981473][ T10] netlink_rcv_skb+0x130/0x360 [ 2827.981473][ T10] netlink_unicast+0x449/0x710 [ 2827.981473][ T10] netlink_sendmsg+0x723/0xbe0 [ 2827.981473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2827.981473][ T10] ___sys_sendmsg+0xee/0x170 [ 2827.981473][ T10] __sys_sendmsg+0xcd/0x170 [ 2827.981473][ T10] do_syscall_64+0xc6/0x1e0 [ 2827.981473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2827.981473][ T10] [ 2827.983485][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2827.983485][ T10] netdev_get_by_index+0x5e/0x80 [ 2827.983485][ T10] fib6_nh_init+0x3d8/0x1580 [ 2827.983485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2827.983485][ T10] ip6_route_add+0x1c/0x140 [ 2827.983485][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2827.983485][ T10] addrconf_add_dev+0xe2/0x170 [ 2827.983485][ T10] inet6_addr_add+0x12f/0xa40 [ 2827.983485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2827.983485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2827.983485][ T10] netlink_rcv_skb+0x130/0x360 [ 2827.983485][ T10] netlink_unicast+0x449/0x710 [ 2827.983485][ T10] netlink_sendmsg+0x723/0xbe0 [ 2827.983485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2827.983485][ T10] ___sys_sendmsg+0xee/0x170 [ 2827.983485][ T10] __sys_sendmsg+0xcd/0x170 [ 2827.983485][ T10] do_syscall_64+0xc6/0x1e0 [ 2827.983485][ T10] [ 2827.985501][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2827.985501][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2827.985501][ T10] ipv6_find_idev+0x102/0x170 [ 2827.985501][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2827.985501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2827.985501][ T10] netlink_rcv_skb+0x130/0x360 [ 2827.985501][ T10] netlink_unicast+0x449/0x710 [ 2827.985501][ T10] netlink_sendmsg+0x723/0xbe0 [ 2827.985501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2827.985501][ T10] ___sys_sendmsg+0xee/0x170 [ 2827.985501][ T10] __sys_sendmsg+0xcd/0x170 [ 2827.985501][ T10] do_syscall_64+0xc6/0x1e0 [ 2827.985501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2827.985501][ T10] [ 2827.987046][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2827.987046][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2827.987046][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2827.987046][ T10] ipv6_find_idev+0x102/0x170 [ 2827.987046][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2827.987046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2827.987046][ T10] netlink_rcv_skb+0x130/0x360 [ 2827.987046][ T10] netlink_unicast+0x449/0x710 [ 2827.987046][ T10] netlink_sendmsg+0x723/0xbe0 [ 2827.987046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2827.987046][ T10] ___sys_sendmsg+0xee/0x170 [ 2827.987046][ T10] __sys_sendmsg+0xcd/0x170 [ 2827.987046][ T10] do_syscall_64+0xc6/0x1e0 [ 2827.987046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2827.987046][ T10] [ 2827.988754][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2827.989001][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2827.989001][ T10] netdev_get_by_index+0x5e/0x80 [ 2827.989001][ T10] fib6_nh_init+0x3d8/0x1580 [ 2827.989001][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2827.989001][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2827.989001][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2827.989001][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2827.989001][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2827.989001][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2827.989001][ T10] addrconf_dad_begin+0x310/0x670 [ 2827.989001][ T10] addrconf_dad_work+0x10b/0xab0 [ 2827.989001][ T10] process_one_work+0x84d/0x18a0 [ 2827.989001][ T10] worker_thread+0x587/0xd30 [ 2827.989001][ T10] kthread+0x28a/0x350 [ 2827.989001][ T10] ret_from_fork+0x31/0x70 [ 2827.989001][ T10] ret_from_fork_asm+0x1a/0x30 [ 2827.989001][ T10] [ 2827.990933][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2827.990933][ T10] netdev_get_by_index+0x5e/0x80 [ 2827.990933][ T10] fib6_nh_init+0x3d8/0x1580 [ 2827.990933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2827.990933][ T10] ip6_route_add+0x1c/0x140 [ 2827.990933][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2827.990933][ T10] inet6_addr_add+0x4f8/0xa40 [ 2827.990933][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2827.990933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2827.990933][ T10] netlink_rcv_skb+0x130/0x360 [ 2827.990933][ T10] netlink_unicast+0x449/0x710 [ 2827.990933][ T10] netlink_sendmsg+0x723/0xbe0 [ 2827.990933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2827.990933][ T10] ___sys_sendmsg+0xee/0x170 [ 2827.990933][ T10] __sys_sendmsg+0xcd/0x170 [ 2827.990933][ T10] do_syscall_64+0xc6/0x1e0 [ 2827.990933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2827.990933][ T10] [ 2827.992958][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2827.992958][ T10] netdev_get_by_index+0x5e/0x80 [ 2827.992958][ T10] fib6_nh_init+0x3d8/0x1580 [ 2827.992958][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2827.992958][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2827.992958][ T10] ipv6_add_addr+0x411/0x2000 [ 2827.992958][ T10] inet6_addr_add+0x30e/0xa40 [ 2827.992958][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2827.992958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2827.992958][ T10] netlink_rcv_skb+0x130/0x360 [ 2827.992958][ T10] netlink_unicast+0x449/0x710 [ 2827.992958][ T10] netlink_sendmsg+0x723/0xbe0 [ 2827.992958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2827.992958][ T10] ___sys_sendmsg+0xee/0x170 [ 2827.992958][ T10] __sys_sendmsg+0xcd/0x170 [ 2827.992958][ T10] do_syscall_64+0xc6/0x1e0 [ 2827.992958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2827.992958][ T10] [ 2827.994980][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2827.994980][ T10] netdev_get_by_index+0x5e/0x80 [ 2827.994980][ T10] fib6_nh_init+0x3d8/0x1580 [ 2827.994980][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2827.994980][ T10] ip6_route_add+0x1c/0x140 [ 2827.994980][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2827.994980][ T10] addrconf_add_dev+0xe2/0x170 [ 2827.994980][ T10] inet6_addr_add+0x12f/0xa40 [ 2827.994980][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2827.994980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2827.994980][ T10] netlink_rcv_skb+0x130/0x360 [ 2827.994980][ T10] netlink_unicast+0x449/0x710 [ 2827.994980][ T10] netlink_sendmsg+0x723/0xbe0 [ 2827.994980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2827.994980][ T10] ___sys_sendmsg+0xee/0x170 [ 2827.994980][ T10] __sys_sendmsg+0xcd/0x170 [ 2827.994980][ T10] do_syscall_64+0xc6/0x1e0 [ 2827.994980][ T10] [ 2827.996981][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2827.996981][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2827.996981][ T10] ipv6_find_idev+0x102/0x170 [ 2827.996981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2827.996981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2827.996981][ T10] netlink_rcv_skb+0x130/0x360 [ 2827.996981][ T10] netlink_unicast+0x449/0x710 [ 2827.996981][ T10] netlink_sendmsg+0x723/0xbe0 [ 2827.996981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2827.996981][ T10] ___sys_sendmsg+0xee/0x170 [ 2827.996981][ T10] __sys_sendmsg+0xcd/0x170 [ 2827.996981][ T10] do_syscall_64+0xc6/0x1e0 [ 2827.996981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2827.996981][ T10] [ 2827.998537][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2827.998537][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2827.998537][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2827.998537][ T10] ipv6_find_idev+0x102/0x170 [ 2827.998537][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2827.998537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2827.998537][ T10] netlink_rcv_skb+0x130/0x360 [ 2827.998537][ T10] netlink_unicast+0x449/0x710 [ 2827.998537][ T10] netlink_sendmsg+0x723/0xbe0 [ 2827.998537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2827.998537][ T10] ___sys_sendmsg+0xee/0x170 [ 2827.998537][ T10] __sys_sendmsg+0xcd/0x170 [ 2827.998537][ T10] do_syscall_64+0xc6/0x1e0 [ 2827.998537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2827.998537][ T10] [ 2828.000255][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2828.000505][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2828.000505][ T10] netdev_get_by_index+0x5e/0x80 [ 2828.000505][ T10] fib6_nh_init+0x3d8/0x1580 [ 2828.000505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2828.000505][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2828.000505][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2828.000505][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2828.000505][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2828.000505][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2828.000505][ T10] addrconf_dad_begin+0x310/0x670 [ 2828.000505][ T10] addrconf_dad_work+0x10b/0xab0 [ 2828.000505][ T10] process_one_work+0x84d/0x18a0 [ 2828.000505][ T10] worker_thread+0x587/0xd30 [ 2828.000505][ T10] kthread+0x28a/0x350 [ 2828.000505][ T10] ret_from_fork+0x31/0x70 [ 2828.000505][ T10] ret_from_fork_asm+0x1a/0x30 [ 2828.000505][ T10] [ 2828.002436][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2828.002436][ T10] netdev_get_by_index+0x5e/0x80 [ 2828.002436][ T10] fib6_nh_init+0x3d8/0x1580 [ 2828.002436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2828.002436][ T10] ip6_route_add+0x1c/0x140 [ 2828.002436][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2828.002436][ T10] inet6_addr_add+0x4f8/0xa40 [ 2828.002436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2828.002436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2828.002436][ T10] netlink_rcv_skb+0x130/0x360 [ 2828.002436][ T10] netlink_unicast+0x449/0x710 [ 2828.002436][ T10] netlink_sendmsg+0x723/0xbe0 [ 2828.002436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2828.002436][ T10] ___sys_sendmsg+0xee/0x170 [ 2828.002436][ T10] __sys_sendmsg+0xcd/0x170 [ 2828.002436][ T10] do_syscall_64+0xc6/0x1e0 [ 2828.002436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2828.002436][ T10] [ 2828.004503][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2828.004503][ T10] netdev_get_by_index+0x5e/0x80 [ 2828.004503][ T10] fib6_nh_init+0x3d8/0x1580 [ 2828.004503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2828.004503][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2828.004503][ T10] ipv6_add_addr+0x411/0x2000 [ 2828.004503][ T10] inet6_addr_add+0x30e/0xa40 [ 2828.004503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2828.004503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2828.004503][ T10] netlink_rcv_skb+0x130/0x360 [ 2828.004503][ T10] netlink_unicast+0x449/0x710 [ 2828.004503][ T10] netlink_sendmsg+0x723/0xbe0 [ 2828.004503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2828.004503][ T10] ___sys_sendmsg+0xee/0x170 [ 2828.004503][ T10] __sys_sendmsg+0xcd/0x170 [ 2828.004503][ T10] do_syscall_64+0xc6/0x1e0 [ 2828.004503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2828.004503][ T10] [ 2828.006656][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2828.006656][ T10] netdev_get_by_index+0x5e/0x80 [ 2828.006656][ T10] fib6_nh_init+0x3d8/0x1580 [ 2828.006656][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2828.006656][ T10] ip6_route_add+0x1c/0x140 [ 2828.006656][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2828.006656][ T10] addrconf_add_dev+0xe2/0x170 [ 2828.006656][ T10] inet6_addr_add+0x12f/0xa40 [ 2828.006656][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2828.006656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2828.006656][ T10] netlink_rcv_skb+0x130/0x360 [ 2828.006656][ T10] netlink_unicast+0x449/0x710 [ 2828.006656][ T10] netlink_sendmsg+0x723/0xbe0 [ 2828.006656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2828.006656][ T10] ___sys_sendmsg+0xee/0x170 [ 2828.006656][ T10] __sys_sendmsg+0xcd/0x170 [ 2828.006656][ T10] do_syscall_64+0xc6/0x1e0 [ 2828.006656][ T10] [ 2828.008708][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2828.008708][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2828.008708][ T10] ipv6_find_idev+0x102/0x170 [ 2828.008708][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2828.008708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2828.008708][ T10] netlink_rcv_skb+0x130/0x360 [ 2828.008708][ T10] netlink_unicast+0x449/0x710 [ 2828.008708][ T10] netlink_sendmsg+0x723/0xbe0 [ 2828.008708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2828.008708][ T10] ___sys_sendmsg+0xee/0x170 [ 2828.008708][ T10] __sys_sendmsg+0xcd/0x170 [ 2828.008708][ T10] do_syscall_64+0xc6/0x1e0 [ 2828.008708][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2828.008708][ T10] [ 2828.010325][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2828.010325][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2828.010325][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2828.010325][ T10] ipv6_find_idev+0x102/0x170 [ 2828.010325][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2828.010325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2828.010325][ T10] netlink_rcv_skb+0x130/0x360 [ 2828.010325][ T10] netlink_unicast+0x449/0x710 [ 2828.010325][ T10] netlink_sendmsg+0x723/0xbe0 [ 2828.010325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2828.010325][ T10] ___sys_sendmsg+0xee/0x170 [ 2828.010325][ T10] __sys_sendmsg+0xcd/0x170 [ 2828.010325][ T10] do_syscall_64+0xc6/0x1e0 [ 2828.010325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2828.010325][ T10] [ 2828.012107][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2828.012351][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2828.012351][ T10] netdev_get_by_index+0x5e/0x80 [ 2828.012351][ T10] fib6_nh_init+0x3d8/0x1580 [ 2828.012351][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2828.012351][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2828.012351][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2828.012351][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2828.012351][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2828.012351][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2828.012351][ T10] addrconf_dad_begin+0x310/0x670 [ 2828.012351][ T10] addrconf_dad_work+0x10b/0xab0 [ 2828.012351][ T10] process_one_work+0x84d/0x18a0 [ 2828.012351][ T10] worker_thread+0x587/0xd30 [ 2828.012351][ T10] kthread+0x28a/0x350 [ 2828.012351][ T10] ret_from_fork+0x31/0x70 [ 2828.012351][ T10] ret_from_fork_asm+0x1a/0x30 [ 2828.012351][ T10] [ 2828.014409][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2828.014409][ T10] netdev_get_by_index+0x5e/0x80 [ 2828.014409][ T10] fib6_nh_init+0x3d8/0x1580 [ 2828.014409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2828.014409][ T10] ip6_route_add+0x1c/0x140 [ 2828.014409][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2828.014409][ T10] inet6_addr_add+0x4f8/0xa40 [ 2828.014409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2828.014409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2828.014409][ T10] netlink_rcv_skb+0x130/0x360 [ 2828.014409][ T10] netlink_unicast+0x449/0x710 [ 2828.014409][ T10] netlink_sendmsg+0x723/0xbe0 [ 2828.014409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2828.014409][ T10] ___sys_sendmsg+0xee/0x170 [ 2828.014409][ T10] __sys_sendmsg+0xcd/0x170 [ 2828.014409][ T10] do_syscall_64+0xc6/0x1e0 [ 2828.014409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2828.014409][ T10] [ 2828.016527][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2828.016527][ T10] netdev_get_by_index+0x5e/0x80 [ 2828.016527][ T10] fib6_nh_init+0x3d8/0x1580 [ 2828.016527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2828.016527][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2828.016527][ T10] ipv6_add_addr+0x411/0x2000 [ 2828.016527][ T10] inet6_addr_add+0x30e/0xa40 [ 2828.016527][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2828.016527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2828.016527][ T10] netlink_rcv_skb+0x130/0x360 [ 2828.016527][ T10] netlink_unicast+0x449/0x710 [ 2828.016527][ T10] netlink_sendmsg+0x723/0xbe0 [ 2828.016527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2828.016527][ T10] ___sys_sendmsg+0xee/0x170 [ 2828.016527][ T10] __sys_sendmsg+0xcd/0x170 [ 2828.016527][ T10] do_syscall_64+0xc6/0x1e0 [ 2828.016527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2828.016527][ T10] [ 2828.018665][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2828.018665][ T10] netdev_get_by_index+0x5e/0x80 [ 2828.018665][ T10] fib6_nh_init+0x3d8/0x1580 [ 2828.018665][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2828.018665][ T10] ip6_route_add+0x1c/0x140 [ 2828.018665][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2828.018665][ T10] addrconf_add_dev+0xe2/0x170 [ 2828.018665][ T10] inet6_addr_add+0x12f/0xa40 [ 2828.018665][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2828.018665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2828.018665][ T10] netlink_rcv_skb+0x130/0x360 [ 2828.018665][ T10] netlink_unicast+0x449/0x710 [ 2828.018665][ T10] netlink_sendmsg+0x723/0xbe0 [ 2828.018665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2828.018665][ T10] ___sys_sendmsg+0xee/0x170 [ 2828.018665][ T10] __sys_sendmsg+0xcd/0x170 [ 2828.018665][ T10] do_syscall_64+0xc6/0x1e0 [ 2828.018665][ T10] [ 2828.020703][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2828.020703][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2828.020703][ T10] ipv6_find_idev+0x102/0x170 [ 2828.020703][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2828.020703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2828.020703][ T10] netlink_rcv_skb+0x130/0x360 [ 2828.020703][ T10] netlink_unicast+0x449/0x710 [ 2828.020703][ T10] netlink_sendmsg+0x723/0xbe0 [ 2828.020703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2828.020703][ T10] ___sys_sendmsg+0xee/0x170 [ 2828.020703][ T10] __sys_sendmsg+0xcd/0x170 [ 2828.020703][ T10] do_syscall_64+0xc6/0x1e0 [ 2828.020703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2828.020703][ T10] [ 2828.022317][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2828.022317][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2828.022317][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2828.022317][ T10] ipv6_find_idev+0x102/0x170 [ 2828.022317][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2828.022317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2828.022317][ T10] netlink_rcv_skb+0x130/0x360 [ 2828.022317][ T10] netlink_unicast+0x449/0x710 [ 2828.022317][ T10] netlink_sendmsg+0x723/0xbe0 [ 2828.022317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2828.022317][ T10] ___sys_sendmsg+0xee/0x170 [ 2828.022317][ T10] __sys_sendmsg+0xcd/0x170 [ 2828.022317][ T10] do_syscall_64+0xc6/0x1e0 [ 2828.022317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2828.022317][ T10] [ 2830.961061][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2830.961575][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2830.961575][ T1167] dst_init+0x84/0x4a0 [ 2830.961575][ T1167] dst_alloc+0x97/0x150 [ 2830.961575][ T1167] ip6_dst_alloc+0x23/0x90 [ 2830.961575][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2830.961575][ T1167] ip6_pol_route+0x56f/0x840 [ 2830.961575][ T1167] fib6_rule_lookup+0x334/0x630 [ 2830.961575][ T1167] ip6_route_output_flags+0x259/0x480 [ 2830.961575][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2830.961575][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2830.961575][ T1167] netlink_rcv_skb+0x130/0x360 [ 2830.961575][ T1167] netlink_unicast+0x449/0x710 [ 2830.961575][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2830.961575][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2830.961575][ T1167] ___sys_sendmsg+0xee/0x170 [ 2830.961575][ T1167] __sys_sendmsg+0xcd/0x170 [ 2830.961575][ T1167] do_syscall_64+0xc6/0x1e0 [ 2830.961575][ T1167] [ 2830.963804][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2830.963804][ T1167] netdev_get_by_index+0x5e/0x80 [ 2830.963804][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2830.963804][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2830.963804][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2830.963804][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2830.963804][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2830.963804][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2830.963804][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2830.963804][ T1167] addrconf_dad_begin+0x310/0x670 [ 2830.963804][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2830.963804][ T1167] process_one_work+0x84d/0x18a0 [ 2830.963804][ T1167] worker_thread+0x587/0xd30 [ 2830.963804][ T1167] kthread+0x28a/0x350 [ 2830.963804][ T1167] ret_from_fork+0x31/0x70 [ 2830.963804][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2830.963804][ T1167] [ 2830.966004][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2830.966004][ T1167] netdev_get_by_index+0x5e/0x80 [ 2830.966004][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2830.966004][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2830.966004][ T1167] ip6_route_add+0x1c/0x140 [ 2830.966004][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2830.966004][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2830.966004][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2830.966004][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.966004][ T1167] netlink_rcv_skb+0x130/0x360 [ 2830.966004][ T1167] netlink_unicast+0x449/0x710 [ 2830.966004][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2830.966004][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2830.966004][ T1167] ___sys_sendmsg+0xee/0x170 [ 2830.966004][ T1167] __sys_sendmsg+0xcd/0x170 [ 2830.966004][ T1167] do_syscall_64+0xc6/0x1e0 [ 2830.966004][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.966004][ T1167] [ 2830.968271][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2830.968271][ T1167] netdev_get_by_index+0x5e/0x80 [ 2830.968271][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2830.968271][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2830.968271][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2830.968271][ T1167] ipv6_add_addr+0x411/0x2000 [ 2830.968271][ T1167] inet6_addr_add+0x30e/0xa40 [ 2830.968271][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2830.968271][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.968271][ T1167] netlink_rcv_skb+0x130/0x360 [ 2830.968271][ T1167] netlink_unicast+0x449/0x710 [ 2830.968271][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2830.968271][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2830.968271][ T1167] ___sys_sendmsg+0xee/0x170 [ 2830.968271][ T1167] __sys_sendmsg+0xcd/0x170 [ 2830.968271][ T1167] do_syscall_64+0xc6/0x1e0 [ 2830.968271][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.968271][ T1167] [ 2830.970563][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2830.970563][ T1167] netdev_get_by_index+0x5e/0x80 [ 2830.970563][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2830.970563][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2830.970563][ T1167] ip6_route_add+0x1c/0x140 [ 2830.970563][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2830.970563][ T1167] addrconf_add_dev+0xe2/0x170 [ 2830.970563][ T1167] inet6_addr_add+0x12f/0xa40 [ 2830.970563][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2830.970563][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.970563][ T1167] netlink_rcv_skb+0x130/0x360 [ 2830.970563][ T1167] netlink_unicast+0x449/0x710 [ 2830.970563][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2830.970563][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2830.970563][ T1167] ___sys_sendmsg+0xee/0x170 [ 2830.970563][ T1167] __sys_sendmsg+0xcd/0x170 [ 2830.970563][ T1167] do_syscall_64+0xc6/0x1e0 [ 2830.970563][ T1167] [ 2830.972788][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2830.972788][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2830.972788][ T1167] ipv6_find_idev+0x102/0x170 [ 2830.972788][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2830.972788][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.972788][ T1167] netlink_rcv_skb+0x130/0x360 [ 2830.972788][ T1167] netlink_unicast+0x449/0x710 [ 2830.972788][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2830.972788][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2830.972788][ T1167] ___sys_sendmsg+0xee/0x170 [ 2830.972788][ T1167] __sys_sendmsg+0xcd/0x170 [ 2830.972788][ T1167] do_syscall_64+0xc6/0x1e0 [ 2830.972788][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.972788][ T1167] [ 2830.974536][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2830.974536][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2830.974536][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2830.974536][ T1167] ipv6_find_idev+0x102/0x170 [ 2830.974536][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2830.974536][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.974536][ T1167] netlink_rcv_skb+0x130/0x360 [ 2830.974536][ T1167] netlink_unicast+0x449/0x710 [ 2830.974536][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2830.974536][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2830.974536][ T1167] ___sys_sendmsg+0xee/0x170 [ 2830.974536][ T1167] __sys_sendmsg+0xcd/0x170 [ 2830.974536][ T1167] do_syscall_64+0xc6/0x1e0 [ 2830.974536][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.974536][ T1167] [ 2838.265211][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2838.265578][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2838.265578][ T10] netdev_get_by_index+0x5e/0x80 [ 2838.265578][ T10] fib6_nh_init+0x3d8/0x1580 [ 2838.265578][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2838.265578][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2838.265578][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2838.265578][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2838.265578][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2838.265578][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2838.265578][ T10] addrconf_dad_begin+0x310/0x670 [ 2838.265578][ T10] addrconf_dad_work+0x10b/0xab0 [ 2838.265578][ T10] process_one_work+0x84d/0x18a0 [ 2838.265578][ T10] worker_thread+0x587/0xd30 [ 2838.265578][ T10] kthread+0x28a/0x350 [ 2838.265578][ T10] ret_from_fork+0x31/0x70 [ 2838.265578][ T10] ret_from_fork_asm+0x1a/0x30 [ 2838.265578][ T10] [ 2838.267535][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2838.267535][ T10] netdev_get_by_index+0x5e/0x80 [ 2838.267535][ T10] fib6_nh_init+0x3d8/0x1580 [ 2838.267535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2838.267535][ T10] ip6_route_add+0x1c/0x140 [ 2838.267535][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2838.267535][ T10] inet6_addr_add+0x4f8/0xa40 [ 2838.267535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2838.267535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2838.267535][ T10] netlink_rcv_skb+0x130/0x360 [ 2838.267535][ T10] netlink_unicast+0x449/0x710 [ 2838.267535][ T10] netlink_sendmsg+0x723/0xbe0 [ 2838.267535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2838.267535][ T10] ___sys_sendmsg+0xee/0x170 [ 2838.267535][ T10] __sys_sendmsg+0xcd/0x170 [ 2838.267535][ T10] do_syscall_64+0xc6/0x1e0 [ 2838.267535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2838.267535][ T10] [ 2838.269551][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2838.269551][ T10] netdev_get_by_index+0x5e/0x80 [ 2838.269551][ T10] fib6_nh_init+0x3d8/0x1580 [ 2838.269551][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2838.269551][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2838.269551][ T10] ipv6_add_addr+0x411/0x2000 [ 2838.269551][ T10] inet6_addr_add+0x30e/0xa40 [ 2838.269551][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2838.269551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2838.269551][ T10] netlink_rcv_skb+0x130/0x360 [ 2838.269551][ T10] netlink_unicast+0x449/0x710 [ 2838.269551][ T10] netlink_sendmsg+0x723/0xbe0 [ 2838.269551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2838.269551][ T10] ___sys_sendmsg+0xee/0x170 [ 2838.269551][ T10] __sys_sendmsg+0xcd/0x170 [ 2838.269551][ T10] do_syscall_64+0xc6/0x1e0 [ 2838.269551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2838.269551][ T10] [ 2838.271567][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2838.271567][ T10] netdev_get_by_index+0x5e/0x80 [ 2838.271567][ T10] fib6_nh_init+0x3d8/0x1580 [ 2838.271567][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2838.271567][ T10] ip6_route_add+0x1c/0x140 [ 2838.271567][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2838.271567][ T10] addrconf_add_dev+0xe2/0x170 [ 2838.271567][ T10] inet6_addr_add+0x12f/0xa40 [ 2838.271567][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2838.271567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2838.271567][ T10] netlink_rcv_skb+0x130/0x360 [ 2838.271567][ T10] netlink_unicast+0x449/0x710 [ 2838.271567][ T10] netlink_sendmsg+0x723/0xbe0 [ 2838.271567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2838.271567][ T10] ___sys_sendmsg+0xee/0x170 [ 2838.271567][ T10] __sys_sendmsg+0xcd/0x170 [ 2838.271567][ T10] do_syscall_64+0xc6/0x1e0 [ 2838.271567][ T10] [ 2838.273551][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2838.273551][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2838.273551][ T10] ipv6_find_idev+0x102/0x170 [ 2838.273551][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2838.273551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2838.273551][ T10] netlink_rcv_skb+0x130/0x360 [ 2838.273551][ T10] netlink_unicast+0x449/0x710 [ 2838.273551][ T10] netlink_sendmsg+0x723/0xbe0 [ 2838.273551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2838.273551][ T10] ___sys_sendmsg+0xee/0x170 [ 2838.273551][ T10] __sys_sendmsg+0xcd/0x170 [ 2838.273551][ T10] do_syscall_64+0xc6/0x1e0 [ 2838.273551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2838.273551][ T10] [ 2838.275130][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2838.275130][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2838.275130][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2838.275130][ T10] ipv6_find_idev+0x102/0x170 [ 2838.275130][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2838.275130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2838.275130][ T10] netlink_rcv_skb+0x130/0x360 [ 2838.275130][ T10] netlink_unicast+0x449/0x710 [ 2838.275130][ T10] netlink_sendmsg+0x723/0xbe0 [ 2838.275130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2838.275130][ T10] ___sys_sendmsg+0xee/0x170 [ 2838.275130][ T10] __sys_sendmsg+0xcd/0x170 [ 2838.275130][ T10] do_syscall_64+0xc6/0x1e0 [ 2838.275130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2838.275130][ T10] [ 2838.276867][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2838.277136][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2838.277136][ T10] netdev_get_by_index+0x5e/0x80 [ 2838.277136][ T10] fib6_nh_init+0x3d8/0x1580 [ 2838.277136][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2838.277136][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2838.277136][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2838.277136][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2838.277136][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2838.277136][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2838.277136][ T10] addrconf_dad_begin+0x310/0x670 [ 2838.277136][ T10] addrconf_dad_work+0x10b/0xab0 [ 2838.277136][ T10] process_one_work+0x84d/0x18a0 [ 2838.277136][ T10] worker_thread+0x587/0xd30 [ 2838.277136][ T10] kthread+0x28a/0x350 [ 2838.277136][ T10] ret_from_fork+0x31/0x70 [ 2838.277136][ T10] ret_from_fork_asm+0x1a/0x30 [ 2838.277136][ T10] [ 2838.279131][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2838.279131][ T10] netdev_get_by_index+0x5e/0x80 [ 2838.279131][ T10] fib6_nh_init+0x3d8/0x1580 [ 2838.279131][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2838.279131][ T10] ip6_route_add+0x1c/0x140 [ 2838.279131][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2838.279131][ T10] inet6_addr_add+0x4f8/0xa40 [ 2838.279131][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2838.279131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2838.279131][ T10] netlink_rcv_skb+0x130/0x360 [ 2838.279131][ T10] netlink_unicast+0x449/0x710 [ 2838.279131][ T10] netlink_sendmsg+0x723/0xbe0 [ 2838.279131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2838.279131][ T10] ___sys_sendmsg+0xee/0x170 [ 2838.279131][ T10] __sys_sendmsg+0xcd/0x170 [ 2838.279131][ T10] do_syscall_64+0xc6/0x1e0 [ 2838.279131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2838.279131][ T10] [ 2838.281185][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2838.281185][ T10] netdev_get_by_index+0x5e/0x80 [ 2838.281185][ T10] fib6_nh_init+0x3d8/0x1580 [ 2838.281185][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2838.281185][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2838.281185][ T10] ipv6_add_addr+0x411/0x2000 [ 2838.281185][ T10] inet6_addr_add+0x30e/0xa40 [ 2838.281185][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2838.281185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2838.281185][ T10] netlink_rcv_skb+0x130/0x360 [ 2838.281185][ T10] netlink_unicast+0x449/0x710 [ 2838.281185][ T10] netlink_sendmsg+0x723/0xbe0 [ 2838.281185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2838.281185][ T10] ___sys_sendmsg+0xee/0x170 [ 2838.281185][ T10] __sys_sendmsg+0xcd/0x170 [ 2838.281185][ T10] do_syscall_64+0xc6/0x1e0 [ 2838.281185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2838.281185][ T10] [ 2838.283231][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2838.283231][ T10] netdev_get_by_index+0x5e/0x80 [ 2838.283231][ T10] fib6_nh_init+0x3d8/0x1580 [ 2838.283231][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2838.283231][ T10] ip6_route_add+0x1c/0x140 [ 2838.283231][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2838.283231][ T10] addrconf_add_dev+0xe2/0x170 [ 2838.283231][ T10] inet6_addr_add+0x12f/0xa40 [ 2838.283231][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2838.283231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2838.283231][ T10] netlink_rcv_skb+0x130/0x360 [ 2838.283231][ T10] netlink_unicast+0x449/0x710 [ 2838.283231][ T10] netlink_sendmsg+0x723/0xbe0 [ 2838.283231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2838.283231][ T10] ___sys_sendmsg+0xee/0x170 [ 2838.283231][ T10] __sys_sendmsg+0xcd/0x170 [ 2838.283231][ T10] do_syscall_64+0xc6/0x1e0 [ 2838.283231][ T10] [ 2838.285239][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2838.285239][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2838.285239][ T10] ipv6_find_idev+0x102/0x170 [ 2838.285239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2838.285239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2838.285239][ T10] netlink_rcv_skb+0x130/0x360 [ 2838.285239][ T10] netlink_unicast+0x449/0x710 [ 2838.285239][ T10] netlink_sendmsg+0x723/0xbe0 [ 2838.285239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2838.285239][ T10] ___sys_sendmsg+0xee/0x170 [ 2838.285239][ T10] __sys_sendmsg+0xcd/0x170 [ 2838.285239][ T10] do_syscall_64+0xc6/0x1e0 [ 2838.285239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2838.285239][ T10] [ 2838.286798][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2838.286798][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2838.286798][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2838.286798][ T10] ipv6_find_idev+0x102/0x170 [ 2838.286798][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2838.286798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2838.286798][ T10] netlink_rcv_skb+0x130/0x360 [ 2838.286798][ T10] netlink_unicast+0x449/0x710 [ 2838.286798][ T10] netlink_sendmsg+0x723/0xbe0 [ 2838.286798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2838.286798][ T10] ___sys_sendmsg+0xee/0x170 [ 2838.286798][ T10] __sys_sendmsg+0xcd/0x170 [ 2838.286798][ T10] do_syscall_64+0xc6/0x1e0 [ 2838.286798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2838.286798][ T10] [ 2838.288521][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2838.288767][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2838.288767][ T10] netdev_get_by_index+0x5e/0x80 [ 2838.288767][ T10] fib6_nh_init+0x3d8/0x1580 [ 2838.288767][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2838.288767][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2838.288767][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2838.288767][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2838.288767][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2838.288767][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2838.288767][ T10] addrconf_dad_begin+0x310/0x670 [ 2838.288767][ T10] addrconf_dad_work+0x10b/0xab0 [ 2838.288767][ T10] process_one_work+0x84d/0x18a0 [ 2838.288767][ T10] worker_thread+0x587/0xd30 [ 2838.288767][ T10] kthread+0x28a/0x350 [ 2838.288767][ T10] ret_from_fork+0x31/0x70 [ 2838.288767][ T10] ret_from_fork_asm+0x1a/0x30 [ 2838.288767][ T10] [ 2838.290705][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2838.290705][ T10] netdev_get_by_index+0x5e/0x80 [ 2838.290705][ T10] fib6_nh_init+0x3d8/0x1580 [ 2838.290705][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2838.290705][ T10] ip6_route_add+0x1c/0x140 [ 2838.290705][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2838.290705][ T10] inet6_addr_add+0x4f8/0xa40 [ 2838.290705][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2838.290705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2838.290705][ T10] netlink_rcv_skb+0x130/0x360 [ 2838.290705][ T10] netlink_unicast+0x449/0x710 [ 2838.290705][ T10] netlink_sendmsg+0x723/0xbe0 [ 2838.290705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2838.290705][ T10] ___sys_sendmsg+0xee/0x170 [ 2838.290705][ T10] __sys_sendmsg+0xcd/0x170 [ 2838.290705][ T10] do_syscall_64+0xc6/0x1e0 [ 2838.290705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2838.290705][ T10] [ 2838.292926][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2838.292926][ T10] netdev_get_by_index+0x5e/0x80 [ 2838.292926][ T10] fib6_nh_init+0x3d8/0x1580 [ 2838.292926][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2838.292926][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2838.292926][ T10] ipv6_add_addr+0x411/0x2000 [ 2838.292926][ T10] inet6_addr_add+0x30e/0xa40 [ 2838.292926][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2838.292926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2838.292926][ T10] netlink_rcv_skb+0x130/0x360 [ 2838.292926][ T10] netlink_unicast+0x449/0x710 [ 2838.292926][ T10] netlink_sendmsg+0x723/0xbe0 [ 2838.292926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2838.292926][ T10] ___sys_sendmsg+0xee/0x170 [ 2838.292926][ T10] __sys_sendmsg+0xcd/0x170 [ 2838.292926][ T10] do_syscall_64+0xc6/0x1e0 [ 2838.292926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2838.292926][ T10] [ 2838.295273][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2838.295273][ T10] netdev_get_by_index+0x5e/0x80 [ 2838.295273][ T10] fib6_nh_init+0x3d8/0x1580 [ 2838.295273][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2838.295273][ T10] ip6_route_add+0x1c/0x140 [ 2838.295273][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2838.295273][ T10] addrconf_add_dev+0xe2/0x170 [ 2838.295273][ T10] inet6_addr_add+0x12f/0xa40 [ 2838.295273][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2838.295273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2838.295273][ T10] netlink_rcv_skb+0x130/0x360 [ 2838.295273][ T10] netlink_unicast+0x449/0x710 [ 2838.295273][ T10] netlink_sendmsg+0x723/0xbe0 [ 2838.295273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2838.295273][ T10] ___sys_sendmsg+0xee/0x170 [ 2838.295273][ T10] __sys_sendmsg+0xcd/0x170 [ 2838.295273][ T10] do_syscall_64+0xc6/0x1e0 [ 2838.295273][ T10] [ 2838.297523][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2838.297523][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2838.297523][ T10] ipv6_find_idev+0x102/0x170 [ 2838.297523][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2838.297523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2838.297523][ T10] netlink_rcv_skb+0x130/0x360 [ 2838.297523][ T10] netlink_unicast+0x449/0x710 [ 2838.297523][ T10] netlink_sendmsg+0x723/0xbe0 [ 2838.297523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2838.297523][ T10] ___sys_sendmsg+0xee/0x170 [ 2838.297523][ T10] __sys_sendmsg+0xcd/0x170 [ 2838.297523][ T10] do_syscall_64+0xc6/0x1e0 [ 2838.297523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2838.297523][ T10] [ 2838.300190][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2838.300190][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2838.300190][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2838.300190][ T10] ipv6_find_idev+0x102/0x170 [ 2838.300190][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2838.300190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2838.300190][ T10] netlink_rcv_skb+0x130/0x360 [ 2838.300190][ T10] netlink_unicast+0x449/0x710 [ 2838.300190][ T10] netlink_sendmsg+0x723/0xbe0 [ 2838.300190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2838.300190][ T10] ___sys_sendmsg+0xee/0x170 [ 2838.300190][ T10] __sys_sendmsg+0xcd/0x170 [ 2838.300190][ T10] do_syscall_64+0xc6/0x1e0 [ 2838.300190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2838.300190][ T10] [ 2838.302100][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2838.302340][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2838.302340][ T10] netdev_get_by_index+0x5e/0x80 [ 2838.302340][ T10] fib6_nh_init+0x3d8/0x1580 [ 2838.302340][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2838.302340][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2838.302340][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2838.302340][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2838.302340][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2838.302340][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2838.302340][ T10] addrconf_dad_begin+0x310/0x670 [ 2838.302340][ T10] addrconf_dad_work+0x10b/0xab0 [ 2838.302340][ T10] process_one_work+0x84d/0x18a0 [ 2838.302340][ T10] worker_thread+0x587/0xd30 [ 2838.302340][ T10] kthread+0x28a/0x350 [ 2838.302340][ T10] ret_from_fork+0x31/0x70 [ 2838.302340][ T10] ret_from_fork_asm+0x1a/0x30 [ 2838.302340][ T10] [ 2838.304629][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2838.304629][ T10] netdev_get_by_index+0x5e/0x80 [ 2838.304629][ T10] fib6_nh_init+0x3d8/0x1580 [ 2838.304629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2838.304629][ T10] ip6_route_add+0x1c/0x140 [ 2838.304629][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2838.304629][ T10] inet6_addr_add+0x4f8/0xa40 [ 2838.304629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2838.304629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2838.304629][ T10] netlink_rcv_skb+0x130/0x360 [ 2838.304629][ T10] netlink_unicast+0x449/0x710 [ 2838.304629][ T10] netlink_sendmsg+0x723/0xbe0 [ 2838.304629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2838.304629][ T10] ___sys_sendmsg+0xee/0x170 [ 2838.304629][ T10] __sys_sendmsg+0xcd/0x170 [ 2838.304629][ T10] do_syscall_64+0xc6/0x1e0 [ 2838.304629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2838.304629][ T10] [ 2838.306952][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2838.306952][ T10] netdev_get_by_index+0x5e/0x80 [ 2838.306952][ T10] fib6_nh_init+0x3d8/0x1580 [ 2838.306952][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2838.306952][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2838.306952][ T10] ipv6_add_addr+0x411/0x2000 [ 2838.306952][ T10] inet6_addr_add+0x30e/0xa40 [ 2838.306952][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2838.306952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2838.306952][ T10] netlink_rcv_skb+0x130/0x360 [ 2838.306952][ T10] netlink_unicast+0x449/0x710 [ 2838.306952][ T10] netlink_sendmsg+0x723/0xbe0 [ 2838.306952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2838.306952][ T10] ___sys_sendmsg+0xee/0x170 [ 2838.306952][ T10] __sys_sendmsg+0xcd/0x170 [ 2838.306952][ T10] do_syscall_64+0xc6/0x1e0 [ 2838.306952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2838.306952][ T10] [ 2838.309201][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2838.309201][ T10] netdev_get_by_index+0x5e/0x80 [ 2838.309201][ T10] fib6_nh_init+0x3d8/0x1580 [ 2838.309201][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2838.309201][ T10] ip6_route_add+0x1c/0x140 [ 2838.309201][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2838.309201][ T10] addrconf_add_dev+0xe2/0x170 [ 2838.309201][ T10] inet6_addr_add+0x12f/0xa40 [ 2838.309201][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2838.309201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2838.309201][ T10] netlink_rcv_skb+0x130/0x360 [ 2838.309201][ T10] netlink_unicast+0x449/0x710 [ 2838.309201][ T10] netlink_sendmsg+0x723/0xbe0 [ 2838.309201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2838.309201][ T10] ___sys_sendmsg+0xee/0x170 [ 2838.309201][ T10] __sys_sendmsg+0xcd/0x170 [ 2838.309201][ T10] do_syscall_64+0xc6/0x1e0 [ 2838.309201][ T10] [ 2838.311351][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2838.311351][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2838.311351][ T10] ipv6_find_idev+0x102/0x170 [ 2838.311351][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2838.311351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2838.311351][ T10] netlink_rcv_skb+0x130/0x360 [ 2838.311351][ T10] netlink_unicast+0x449/0x710 [ 2838.311351][ T10] netlink_sendmsg+0x723/0xbe0 [ 2838.311351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2838.311351][ T10] ___sys_sendmsg+0xee/0x170 [ 2838.311351][ T10] __sys_sendmsg+0xcd/0x170 [ 2838.311351][ T10] do_syscall_64+0xc6/0x1e0 [ 2838.311351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2838.311351][ T10] [ 2838.313082][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2838.313082][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2838.313082][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2838.313082][ T10] ipv6_find_idev+0x102/0x170 [ 2838.313082][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2838.313082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2838.313082][ T10] netlink_rcv_skb+0x130/0x360 [ 2838.313082][ T10] netlink_unicast+0x449/0x710 [ 2838.313082][ T10] netlink_sendmsg+0x723/0xbe0 [ 2838.313082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2838.313082][ T10] ___sys_sendmsg+0xee/0x170 [ 2838.313082][ T10] __sys_sendmsg+0xcd/0x170 [ 2838.313082][ T10] do_syscall_64+0xc6/0x1e0 [ 2838.313082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2838.313082][ T10] [ 2841.225117][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2841.225557][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2841.225557][ T1167] dst_init+0x84/0x4a0 [ 2841.225557][ T1167] dst_alloc+0x97/0x150 [ 2841.225557][ T1167] ip6_dst_alloc+0x23/0x90 [ 2841.225557][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2841.225557][ T1167] ip6_pol_route+0x56f/0x840 [ 2841.225557][ T1167] fib6_rule_lookup+0x334/0x630 [ 2841.225557][ T1167] ip6_route_output_flags+0x259/0x480 [ 2841.225557][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2841.225557][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2841.225557][ T1167] netlink_rcv_skb+0x130/0x360 [ 2841.225557][ T1167] netlink_unicast+0x449/0x710 [ 2841.225557][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2841.225557][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2841.225557][ T1167] ___sys_sendmsg+0xee/0x170 [ 2841.225557][ T1167] __sys_sendmsg+0xcd/0x170 [ 2841.225557][ T1167] do_syscall_64+0xc6/0x1e0 [ 2841.225557][ T1167] [ 2841.227768][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2841.227768][ T1167] netdev_get_by_index+0x5e/0x80 [ 2841.227768][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2841.227768][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2841.227768][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2841.227768][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2841.227768][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2841.227768][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2841.227768][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2841.227768][ T1167] addrconf_dad_begin+0x310/0x670 [ 2841.227768][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2841.227768][ T1167] process_one_work+0x84d/0x18a0 [ 2841.227768][ T1167] worker_thread+0x587/0xd30 [ 2841.227768][ T1167] kthread+0x28a/0x350 [ 2841.227768][ T1167] ret_from_fork+0x31/0x70 [ 2841.227768][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2841.227768][ T1167] [ 2841.229949][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2841.229949][ T1167] netdev_get_by_index+0x5e/0x80 [ 2841.229949][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2841.229949][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2841.229949][ T1167] ip6_route_add+0x1c/0x140 [ 2841.229949][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2841.229949][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2841.229949][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2841.229949][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.229949][ T1167] netlink_rcv_skb+0x130/0x360 [ 2841.229949][ T1167] netlink_unicast+0x449/0x710 [ 2841.229949][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2841.229949][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2841.229949][ T1167] ___sys_sendmsg+0xee/0x170 [ 2841.229949][ T1167] __sys_sendmsg+0xcd/0x170 [ 2841.229949][ T1167] do_syscall_64+0xc6/0x1e0 [ 2841.229949][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.229949][ T1167] [ 2841.232207][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2841.232207][ T1167] netdev_get_by_index+0x5e/0x80 [ 2841.232207][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2841.232207][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2841.232207][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2841.232207][ T1167] ipv6_add_addr+0x411/0x2000 [ 2841.232207][ T1167] inet6_addr_add+0x30e/0xa40 [ 2841.232207][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2841.232207][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.232207][ T1167] netlink_rcv_skb+0x130/0x360 [ 2841.232207][ T1167] netlink_unicast+0x449/0x710 [ 2841.232207][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2841.232207][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2841.232207][ T1167] ___sys_sendmsg+0xee/0x170 [ 2841.232207][ T1167] __sys_sendmsg+0xcd/0x170 [ 2841.232207][ T1167] do_syscall_64+0xc6/0x1e0 [ 2841.232207][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.232207][ T1167] [ 2841.234464][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2841.234464][ T1167] netdev_get_by_index+0x5e/0x80 [ 2841.234464][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2841.234464][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2841.234464][ T1167] ip6_route_add+0x1c/0x140 [ 2841.234464][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2841.234464][ T1167] addrconf_add_dev+0xe2/0x170 [ 2841.234464][ T1167] inet6_addr_add+0x12f/0xa40 [ 2841.234464][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2841.234464][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.234464][ T1167] netlink_rcv_skb+0x130/0x360 [ 2841.234464][ T1167] netlink_unicast+0x449/0x710 [ 2841.234464][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2841.234464][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2841.234464][ T1167] ___sys_sendmsg+0xee/0x170 [ 2841.234464][ T1167] __sys_sendmsg+0xcd/0x170 [ 2841.234464][ T1167] do_syscall_64+0xc6/0x1e0 [ 2841.234464][ T1167] [ 2841.236714][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2841.236714][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2841.236714][ T1167] ipv6_find_idev+0x102/0x170 [ 2841.236714][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2841.236714][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.236714][ T1167] netlink_rcv_skb+0x130/0x360 [ 2841.236714][ T1167] netlink_unicast+0x449/0x710 [ 2841.236714][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2841.236714][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2841.236714][ T1167] ___sys_sendmsg+0xee/0x170 [ 2841.236714][ T1167] __sys_sendmsg+0xcd/0x170 [ 2841.236714][ T1167] do_syscall_64+0xc6/0x1e0 [ 2841.236714][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.236714][ T1167] [ 2841.238845][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2841.238845][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2841.238845][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2841.238845][ T1167] ipv6_find_idev+0x102/0x170 [ 2841.238845][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2841.238845][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.238845][ T1167] netlink_rcv_skb+0x130/0x360 [ 2841.238845][ T1167] netlink_unicast+0x449/0x710 [ 2841.238845][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2841.238845][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2841.238845][ T1167] ___sys_sendmsg+0xee/0x170 [ 2841.238845][ T1167] __sys_sendmsg+0xcd/0x170 [ 2841.238845][ T1167] do_syscall_64+0xc6/0x1e0 [ 2841.238845][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.238845][ T1167] [ 2848.481050][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2848.481515][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2848.481515][ T10] netdev_get_by_index+0x5e/0x80 [ 2848.481515][ T10] fib6_nh_init+0x3d8/0x1580 [ 2848.481515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2848.481515][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2848.481515][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2848.481515][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2848.481515][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2848.481515][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2848.481515][ T10] addrconf_dad_begin+0x310/0x670 [ 2848.481515][ T10] addrconf_dad_work+0x10b/0xab0 [ 2848.481515][ T10] process_one_work+0x84d/0x18a0 [ 2848.481515][ T10] worker_thread+0x587/0xd30 [ 2848.481515][ T10] kthread+0x28a/0x350 [ 2848.481515][ T10] ret_from_fork+0x31/0x70 [ 2848.481515][ T10] ret_from_fork_asm+0x1a/0x30 [ 2848.481515][ T10] [ 2848.483438][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2848.483438][ T10] netdev_get_by_index+0x5e/0x80 [ 2848.483438][ T10] fib6_nh_init+0x3d8/0x1580 [ 2848.483438][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2848.483438][ T10] ip6_route_add+0x1c/0x140 [ 2848.483438][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2848.483438][ T10] inet6_addr_add+0x4f8/0xa40 [ 2848.483438][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2848.483438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2848.483438][ T10] netlink_rcv_skb+0x130/0x360 [ 2848.483438][ T10] netlink_unicast+0x449/0x710 [ 2848.483438][ T10] netlink_sendmsg+0x723/0xbe0 [ 2848.483438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2848.483438][ T10] ___sys_sendmsg+0xee/0x170 [ 2848.483438][ T10] __sys_sendmsg+0xcd/0x170 [ 2848.483438][ T10] do_syscall_64+0xc6/0x1e0 [ 2848.483438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2848.483438][ T10] [ 2848.485608][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2848.485608][ T10] netdev_get_by_index+0x5e/0x80 [ 2848.485608][ T10] fib6_nh_init+0x3d8/0x1580 [ 2848.485608][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2848.485608][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2848.485608][ T10] ipv6_add_addr+0x411/0x2000 [ 2848.485608][ T10] inet6_addr_add+0x30e/0xa40 [ 2848.485608][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2848.485608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2848.485608][ T10] netlink_rcv_skb+0x130/0x360 [ 2848.485608][ T10] netlink_unicast+0x449/0x710 [ 2848.485608][ T10] netlink_sendmsg+0x723/0xbe0 [ 2848.485608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2848.485608][ T10] ___sys_sendmsg+0xee/0x170 [ 2848.485608][ T10] __sys_sendmsg+0xcd/0x170 [ 2848.485608][ T10] do_syscall_64+0xc6/0x1e0 [ 2848.485608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2848.485608][ T10] [ 2848.487614][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2848.487614][ T10] netdev_get_by_index+0x5e/0x80 [ 2848.487614][ T10] fib6_nh_init+0x3d8/0x1580 [ 2848.487614][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2848.487614][ T10] ip6_route_add+0x1c/0x140 [ 2848.487614][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2848.487614][ T10] addrconf_add_dev+0xe2/0x170 [ 2848.487614][ T10] inet6_addr_add+0x12f/0xa40 [ 2848.487614][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2848.487614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2848.487614][ T10] netlink_rcv_skb+0x130/0x360 [ 2848.487614][ T10] netlink_unicast+0x449/0x710 [ 2848.487614][ T10] netlink_sendmsg+0x723/0xbe0 [ 2848.487614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2848.487614][ T10] ___sys_sendmsg+0xee/0x170 [ 2848.487614][ T10] __sys_sendmsg+0xcd/0x170 [ 2848.487614][ T10] do_syscall_64+0xc6/0x1e0 [ 2848.487614][ T10] [ 2848.489600][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2848.489600][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2848.489600][ T10] ipv6_find_idev+0x102/0x170 [ 2848.489600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2848.489600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2848.489600][ T10] netlink_rcv_skb+0x130/0x360 [ 2848.489600][ T10] netlink_unicast+0x449/0x710 [ 2848.489600][ T10] netlink_sendmsg+0x723/0xbe0 [ 2848.489600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2848.489600][ T10] ___sys_sendmsg+0xee/0x170 [ 2848.489600][ T10] __sys_sendmsg+0xcd/0x170 [ 2848.489600][ T10] do_syscall_64+0xc6/0x1e0 [ 2848.489600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2848.489600][ T10] [ 2848.491234][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2848.491234][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2848.491234][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2848.491234][ T10] ipv6_find_idev+0x102/0x170 [ 2848.491234][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2848.491234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2848.491234][ T10] netlink_rcv_skb+0x130/0x360 [ 2848.491234][ T10] netlink_unicast+0x449/0x710 [ 2848.491234][ T10] netlink_sendmsg+0x723/0xbe0 [ 2848.491234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2848.491234][ T10] ___sys_sendmsg+0xee/0x170 [ 2848.491234][ T10] __sys_sendmsg+0xcd/0x170 [ 2848.491234][ T10] do_syscall_64+0xc6/0x1e0 [ 2848.491234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2848.491234][ T10] [ 2848.493020][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2848.493286][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2848.493286][ T10] netdev_get_by_index+0x5e/0x80 [ 2848.493286][ T10] fib6_nh_init+0x3d8/0x1580 [ 2848.493286][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2848.493286][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2848.493286][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2848.493286][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2848.493286][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2848.493286][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2848.493286][ T10] addrconf_dad_begin+0x310/0x670 [ 2848.493286][ T10] addrconf_dad_work+0x10b/0xab0 [ 2848.493286][ T10] process_one_work+0x84d/0x18a0 [ 2848.493286][ T10] worker_thread+0x587/0xd30 [ 2848.493286][ T10] kthread+0x28a/0x350 [ 2848.493286][ T10] ret_from_fork+0x31/0x70 [ 2848.493286][ T10] ret_from_fork_asm+0x1a/0x30 [ 2848.493286][ T10] [ 2848.495263][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2848.495263][ T10] netdev_get_by_index+0x5e/0x80 [ 2848.495263][ T10] fib6_nh_init+0x3d8/0x1580 [ 2848.495263][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2848.495263][ T10] ip6_route_add+0x1c/0x140 [ 2848.495263][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2848.495263][ T10] inet6_addr_add+0x4f8/0xa40 [ 2848.495263][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2848.495263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2848.495263][ T10] netlink_rcv_skb+0x130/0x360 [ 2848.495263][ T10] netlink_unicast+0x449/0x710 [ 2848.495263][ T10] netlink_sendmsg+0x723/0xbe0 [ 2848.495263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2848.495263][ T10] ___sys_sendmsg+0xee/0x170 [ 2848.495263][ T10] __sys_sendmsg+0xcd/0x170 [ 2848.495263][ T10] do_syscall_64+0xc6/0x1e0 [ 2848.495263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2848.495263][ T10] [ 2848.497390][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2848.497390][ T10] netdev_get_by_index+0x5e/0x80 [ 2848.497390][ T10] fib6_nh_init+0x3d8/0x1580 [ 2848.497390][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2848.497390][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2848.497390][ T10] ipv6_add_addr+0x411/0x2000 [ 2848.497390][ T10] inet6_addr_add+0x30e/0xa40 [ 2848.497390][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2848.497390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2848.497390][ T10] netlink_rcv_skb+0x130/0x360 [ 2848.497390][ T10] netlink_unicast+0x449/0x710 [ 2848.497390][ T10] netlink_sendmsg+0x723/0xbe0 [ 2848.497390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2848.497390][ T10] ___sys_sendmsg+0xee/0x170 [ 2848.497390][ T10] __sys_sendmsg+0xcd/0x170 [ 2848.497390][ T10] do_syscall_64+0xc6/0x1e0 [ 2848.497390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2848.497390][ T10] [ 2848.499460][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2848.499460][ T10] netdev_get_by_index+0x5e/0x80 [ 2848.499460][ T10] fib6_nh_init+0x3d8/0x1580 [ 2848.499460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2848.499460][ T10] ip6_route_add+0x1c/0x140 [ 2848.499460][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2848.499460][ T10] addrconf_add_dev+0xe2/0x170 [ 2848.499460][ T10] inet6_addr_add+0x12f/0xa40 [ 2848.499460][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2848.499460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2848.499460][ T10] netlink_rcv_skb+0x130/0x360 [ 2848.499460][ T10] netlink_unicast+0x449/0x710 [ 2848.499460][ T10] netlink_sendmsg+0x723/0xbe0 [ 2848.499460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2848.499460][ T10] ___sys_sendmsg+0xee/0x170 [ 2848.499460][ T10] __sys_sendmsg+0xcd/0x170 [ 2848.499460][ T10] do_syscall_64+0xc6/0x1e0 [ 2848.499460][ T10] [ 2848.501460][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2848.501460][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2848.501460][ T10] ipv6_find_idev+0x102/0x170 [ 2848.501460][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2848.501460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2848.501460][ T10] netlink_rcv_skb+0x130/0x360 [ 2848.501460][ T10] netlink_unicast+0x449/0x710 [ 2848.501460][ T10] netlink_sendmsg+0x723/0xbe0 [ 2848.501460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2848.501460][ T10] ___sys_sendmsg+0xee/0x170 [ 2848.501460][ T10] __sys_sendmsg+0xcd/0x170 [ 2848.501460][ T10] do_syscall_64+0xc6/0x1e0 [ 2848.501460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2848.501460][ T10] [ 2848.502982][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2848.502982][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2848.502982][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2848.502982][ T10] ipv6_find_idev+0x102/0x170 [ 2848.502982][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2848.502982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2848.502982][ T10] netlink_rcv_skb+0x130/0x360 [ 2848.502982][ T10] netlink_unicast+0x449/0x710 [ 2848.502982][ T10] netlink_sendmsg+0x723/0xbe0 [ 2848.502982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2848.502982][ T10] ___sys_sendmsg+0xee/0x170 [ 2848.502982][ T10] __sys_sendmsg+0xcd/0x170 [ 2848.502982][ T10] do_syscall_64+0xc6/0x1e0 [ 2848.502982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2848.502982][ T10] [ 2848.504647][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2848.504914][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2848.504914][ T10] netdev_get_by_index+0x5e/0x80 [ 2848.504914][ T10] fib6_nh_init+0x3d8/0x1580 [ 2848.504914][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2848.504914][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2848.504914][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2848.504914][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2848.504914][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2848.504914][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2848.504914][ T10] addrconf_dad_begin+0x310/0x670 [ 2848.504914][ T10] addrconf_dad_work+0x10b/0xab0 [ 2848.504914][ T10] process_one_work+0x84d/0x18a0 [ 2848.504914][ T10] worker_thread+0x587/0xd30 [ 2848.504914][ T10] kthread+0x28a/0x350 [ 2848.504914][ T10] ret_from_fork+0x31/0x70 [ 2848.504914][ T10] ret_from_fork_asm+0x1a/0x30 [ 2848.504914][ T10] [ 2848.506911][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2848.506911][ T10] netdev_get_by_index+0x5e/0x80 [ 2848.506911][ T10] fib6_nh_init+0x3d8/0x1580 [ 2848.506911][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2848.506911][ T10] ip6_route_add+0x1c/0x140 [ 2848.506911][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2848.506911][ T10] inet6_addr_add+0x4f8/0xa40 [ 2848.506911][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2848.506911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2848.506911][ T10] netlink_rcv_skb+0x130/0x360 [ 2848.506911][ T10] netlink_unicast+0x449/0x710 [ 2848.506911][ T10] netlink_sendmsg+0x723/0xbe0 [ 2848.506911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2848.506911][ T10] ___sys_sendmsg+0xee/0x170 [ 2848.506911][ T10] __sys_sendmsg+0xcd/0x170 [ 2848.506911][ T10] do_syscall_64+0xc6/0x1e0 [ 2848.506911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2848.506911][ T10] [ 2848.509156][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2848.509156][ T10] netdev_get_by_index+0x5e/0x80 [ 2848.509156][ T10] fib6_nh_init+0x3d8/0x1580 [ 2848.509156][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2848.509156][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2848.509156][ T10] ipv6_add_addr+0x411/0x2000 [ 2848.509156][ T10] inet6_addr_add+0x30e/0xa40 [ 2848.509156][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2848.509156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2848.509156][ T10] netlink_rcv_skb+0x130/0x360 [ 2848.509156][ T10] netlink_unicast+0x449/0x710 [ 2848.509156][ T10] netlink_sendmsg+0x723/0xbe0 [ 2848.509156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2848.509156][ T10] ___sys_sendmsg+0xee/0x170 [ 2848.509156][ T10] __sys_sendmsg+0xcd/0x170 [ 2848.509156][ T10] do_syscall_64+0xc6/0x1e0 [ 2848.509156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2848.509156][ T10] [ 2848.511509][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2848.511509][ T10] netdev_get_by_index+0x5e/0x80 [ 2848.511509][ T10] fib6_nh_init+0x3d8/0x1580 [ 2848.511509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2848.511509][ T10] ip6_route_add+0x1c/0x140 [ 2848.511509][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2848.511509][ T10] addrconf_add_dev+0xe2/0x170 [ 2848.511509][ T10] inet6_addr_add+0x12f/0xa40 [ 2848.511509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2848.511509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2848.511509][ T10] netlink_rcv_skb+0x130/0x360 [ 2848.511509][ T10] netlink_unicast+0x449/0x710 [ 2848.511509][ T10] netlink_sendmsg+0x723/0xbe0 [ 2848.511509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2848.511509][ T10] ___sys_sendmsg+0xee/0x170 [ 2848.511509][ T10] __sys_sendmsg+0xcd/0x170 [ 2848.511509][ T10] do_syscall_64+0xc6/0x1e0 [ 2848.511509][ T10] [ 2848.513835][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2848.513835][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2848.513835][ T10] ipv6_find_idev+0x102/0x170 [ 2848.513835][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2848.513835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2848.513835][ T10] netlink_rcv_skb+0x130/0x360 [ 2848.513835][ T10] netlink_unicast+0x449/0x710 [ 2848.513835][ T10] netlink_sendmsg+0x723/0xbe0 [ 2848.513835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2848.513835][ T10] ___sys_sendmsg+0xee/0x170 [ 2848.513835][ T10] __sys_sendmsg+0xcd/0x170 [ 2848.513835][ T10] do_syscall_64+0xc6/0x1e0 [ 2848.513835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2848.513835][ T10] [ 2848.516498][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2848.516498][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2848.516498][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2848.516498][ T10] ipv6_find_idev+0x102/0x170 [ 2848.516498][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2848.516498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2848.516498][ T10] netlink_rcv_skb+0x130/0x360 [ 2848.516498][ T10] netlink_unicast+0x449/0x710 [ 2848.516498][ T10] netlink_sendmsg+0x723/0xbe0 [ 2848.516498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2848.516498][ T10] ___sys_sendmsg+0xee/0x170 [ 2848.516498][ T10] __sys_sendmsg+0xcd/0x170 [ 2848.516498][ T10] do_syscall_64+0xc6/0x1e0 [ 2848.516498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2848.516498][ T10] [ 2848.518551][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2848.518789][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2848.518789][ T10] netdev_get_by_index+0x5e/0x80 [ 2848.518789][ T10] fib6_nh_init+0x3d8/0x1580 [ 2848.518789][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2848.518789][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2848.518789][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2848.518789][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2848.518789][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2848.518789][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2848.518789][ T10] addrconf_dad_begin+0x310/0x670 [ 2848.518789][ T10] addrconf_dad_work+0x10b/0xab0 [ 2848.518789][ T10] process_one_work+0x84d/0x18a0 [ 2848.518789][ T10] worker_thread+0x587/0xd30 [ 2848.518789][ T10] kthread+0x28a/0x350 [ 2848.518789][ T10] ret_from_fork+0x31/0x70 [ 2848.518789][ T10] ret_from_fork_asm+0x1a/0x30 [ 2848.518789][ T10] [ 2848.520933][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2848.520933][ T10] netdev_get_by_index+0x5e/0x80 [ 2848.520933][ T10] fib6_nh_init+0x3d8/0x1580 [ 2848.520933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2848.520933][ T10] ip6_route_add+0x1c/0x140 [ 2848.520933][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2848.520933][ T10] inet6_addr_add+0x4f8/0xa40 [ 2848.520933][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2848.520933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2848.520933][ T10] netlink_rcv_skb+0x130/0x360 [ 2848.520933][ T10] netlink_unicast+0x449/0x710 [ 2848.520933][ T10] netlink_sendmsg+0x723/0xbe0 [ 2848.520933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2848.520933][ T10] ___sys_sendmsg+0xee/0x170 [ 2848.520933][ T10] __sys_sendmsg+0xcd/0x170 [ 2848.520933][ T10] do_syscall_64+0xc6/0x1e0 [ 2848.520933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2848.520933][ T10] [ 2848.523188][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2848.523188][ T10] netdev_get_by_index+0x5e/0x80 [ 2848.523188][ T10] fib6_nh_init+0x3d8/0x1580 [ 2848.523188][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2848.523188][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2848.523188][ T10] ipv6_add_addr+0x411/0x2000 [ 2848.523188][ T10] inet6_addr_add+0x30e/0xa40 [ 2848.523188][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2848.523188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2848.523188][ T10] netlink_rcv_skb+0x130/0x360 [ 2848.523188][ T10] netlink_unicast+0x449/0x710 [ 2848.523188][ T10] netlink_sendmsg+0x723/0xbe0 [ 2848.523188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2848.523188][ T10] ___sys_sendmsg+0xee/0x170 [ 2848.523188][ T10] __sys_sendmsg+0xcd/0x170 [ 2848.523188][ T10] do_syscall_64+0xc6/0x1e0 [ 2848.523188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2848.523188][ T10] [ 2848.525478][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2848.525478][ T10] netdev_get_by_index+0x5e/0x80 [ 2848.525478][ T10] fib6_nh_init+0x3d8/0x1580 [ 2848.525478][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2848.525478][ T10] ip6_route_add+0x1c/0x140 [ 2848.525478][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2848.525478][ T10] addrconf_add_dev+0xe2/0x170 [ 2848.525478][ T10] inet6_addr_add+0x12f/0xa40 [ 2848.525478][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2848.525478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2848.525478][ T10] netlink_rcv_skb+0x130/0x360 [ 2848.525478][ T10] netlink_unicast+0x449/0x710 [ 2848.525478][ T10] netlink_sendmsg+0x723/0xbe0 [ 2848.525478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2848.525478][ T10] ___sys_sendmsg+0xee/0x170 [ 2848.525478][ T10] __sys_sendmsg+0xcd/0x170 [ 2848.525478][ T10] do_syscall_64+0xc6/0x1e0 [ 2848.525478][ T10] [ 2848.527867][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2848.527867][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2848.527867][ T10] ipv6_find_idev+0x102/0x170 [ 2848.527867][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2848.527867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2848.527867][ T10] netlink_rcv_skb+0x130/0x360 [ 2848.527867][ T10] netlink_unicast+0x449/0x710 [ 2848.527867][ T10] netlink_sendmsg+0x723/0xbe0 [ 2848.527867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2848.527867][ T10] ___sys_sendmsg+0xee/0x170 [ 2848.527867][ T10] __sys_sendmsg+0xcd/0x170 [ 2848.527867][ T10] do_syscall_64+0xc6/0x1e0 [ 2848.527867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2848.527867][ T10] [ 2848.529672][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2848.529672][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2848.529672][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2848.529672][ T10] ipv6_find_idev+0x102/0x170 [ 2848.529672][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2848.529672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2848.529672][ T10] netlink_rcv_skb+0x130/0x360 [ 2848.529672][ T10] netlink_unicast+0x449/0x710 [ 2848.529672][ T10] netlink_sendmsg+0x723/0xbe0 [ 2848.529672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2848.529672][ T10] ___sys_sendmsg+0xee/0x170 [ 2848.529672][ T10] __sys_sendmsg+0xcd/0x170 [ 2848.529672][ T10] do_syscall_64+0xc6/0x1e0 [ 2848.529672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2848.529672][ T10] [ 2851.297070][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2851.297492][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2851.297492][ T1167] dst_init+0x84/0x4a0 [ 2851.297492][ T1167] dst_alloc+0x97/0x150 [ 2851.297492][ T1167] ip6_dst_alloc+0x23/0x90 [ 2851.297492][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2851.297492][ T1167] ip6_pol_route+0x56f/0x840 [ 2851.297492][ T1167] fib6_rule_lookup+0x334/0x630 [ 2851.297492][ T1167] ip6_route_output_flags+0x259/0x480 [ 2851.297492][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2851.297492][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2851.297492][ T1167] netlink_rcv_skb+0x130/0x360 [ 2851.297492][ T1167] netlink_unicast+0x449/0x710 [ 2851.297492][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2851.297492][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2851.297492][ T1167] ___sys_sendmsg+0xee/0x170 [ 2851.297492][ T1167] __sys_sendmsg+0xcd/0x170 [ 2851.297492][ T1167] do_syscall_64+0xc6/0x1e0 [ 2851.297492][ T1167] [ 2851.299703][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2851.299703][ T1167] netdev_get_by_index+0x5e/0x80 [ 2851.299703][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2851.299703][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2851.299703][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2851.299703][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2851.299703][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2851.299703][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2851.299703][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2851.299703][ T1167] addrconf_dad_begin+0x310/0x670 [ 2851.299703][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2851.299703][ T1167] process_one_work+0x84d/0x18a0 [ 2851.299703][ T1167] worker_thread+0x587/0xd30 [ 2851.299703][ T1167] kthread+0x28a/0x350 [ 2851.299703][ T1167] ret_from_fork+0x31/0x70 [ 2851.299703][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2851.299703][ T1167] [ 2851.301862][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2851.301862][ T1167] netdev_get_by_index+0x5e/0x80 [ 2851.301862][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2851.301862][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2851.301862][ T1167] ip6_route_add+0x1c/0x140 [ 2851.301862][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2851.301862][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2851.301862][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2851.301862][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.301862][ T1167] netlink_rcv_skb+0x130/0x360 [ 2851.301862][ T1167] netlink_unicast+0x449/0x710 [ 2851.301862][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2851.301862][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2851.301862][ T1167] ___sys_sendmsg+0xee/0x170 [ 2851.301862][ T1167] __sys_sendmsg+0xcd/0x170 [ 2851.301862][ T1167] do_syscall_64+0xc6/0x1e0 [ 2851.301862][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2851.301862][ T1167] [ 2851.304096][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2851.304096][ T1167] netdev_get_by_index+0x5e/0x80 [ 2851.304096][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2851.304096][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2851.304096][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2851.304096][ T1167] ipv6_add_addr+0x411/0x2000 [ 2851.304096][ T1167] inet6_addr_add+0x30e/0xa40 [ 2851.304096][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2851.304096][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.304096][ T1167] netlink_rcv_skb+0x130/0x360 [ 2851.304096][ T1167] netlink_unicast+0x449/0x710 [ 2851.304096][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2851.304096][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2851.304096][ T1167] ___sys_sendmsg+0xee/0x170 [ 2851.304096][ T1167] __sys_sendmsg+0xcd/0x170 [ 2851.304096][ T1167] do_syscall_64+0xc6/0x1e0 [ 2851.304096][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2851.304096][ T1167] [ 2851.306345][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2851.306345][ T1167] netdev_get_by_index+0x5e/0x80 [ 2851.306345][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2851.306345][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2851.306345][ T1167] ip6_route_add+0x1c/0x140 [ 2851.306345][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2851.306345][ T1167] addrconf_add_dev+0xe2/0x170 [ 2851.306345][ T1167] inet6_addr_add+0x12f/0xa40 [ 2851.306345][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2851.306345][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.306345][ T1167] netlink_rcv_skb+0x130/0x360 [ 2851.306345][ T1167] netlink_unicast+0x449/0x710 [ 2851.306345][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2851.306345][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2851.306345][ T1167] ___sys_sendmsg+0xee/0x170 [ 2851.306345][ T1167] __sys_sendmsg+0xcd/0x170 [ 2851.306345][ T1167] do_syscall_64+0xc6/0x1e0 [ 2851.306345][ T1167] [ 2851.308539][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2851.308539][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2851.308539][ T1167] ipv6_find_idev+0x102/0x170 [ 2851.308539][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2851.308539][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.308539][ T1167] netlink_rcv_skb+0x130/0x360 [ 2851.308539][ T1167] netlink_unicast+0x449/0x710 [ 2851.308539][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2851.308539][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2851.308539][ T1167] ___sys_sendmsg+0xee/0x170 [ 2851.308539][ T1167] __sys_sendmsg+0xcd/0x170 [ 2851.308539][ T1167] do_syscall_64+0xc6/0x1e0 [ 2851.308539][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2851.308539][ T1167] [ 2851.310273][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2851.310273][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2851.310273][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2851.310273][ T1167] ipv6_find_idev+0x102/0x170 [ 2851.310273][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2851.310273][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.310273][ T1167] netlink_rcv_skb+0x130/0x360 [ 2851.310273][ T1167] netlink_unicast+0x449/0x710 [ 2851.310273][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2851.310273][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2851.310273][ T1167] ___sys_sendmsg+0xee/0x170 [ 2851.310273][ T1167] __sys_sendmsg+0xcd/0x170 [ 2851.310273][ T1167] do_syscall_64+0xc6/0x1e0 [ 2851.310273][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2851.310273][ T1167] [ 2858.785051][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2858.785475][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2858.785475][ T10] netdev_get_by_index+0x5e/0x80 [ 2858.785475][ T10] fib6_nh_init+0x3d8/0x1580 [ 2858.785475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2858.785475][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2858.785475][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2858.785475][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2858.785475][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2858.785475][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2858.785475][ T10] addrconf_dad_begin+0x310/0x670 [ 2858.785475][ T10] addrconf_dad_work+0x10b/0xab0 [ 2858.785475][ T10] process_one_work+0x84d/0x18a0 [ 2858.785475][ T10] worker_thread+0x587/0xd30 [ 2858.785475][ T10] kthread+0x28a/0x350 [ 2858.785475][ T10] ret_from_fork+0x31/0x70 [ 2858.785475][ T10] ret_from_fork_asm+0x1a/0x30 [ 2858.785475][ T10] [ 2858.787525][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2858.787525][ T10] netdev_get_by_index+0x5e/0x80 [ 2858.787525][ T10] fib6_nh_init+0x3d8/0x1580 [ 2858.787525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2858.787525][ T10] ip6_route_add+0x1c/0x140 [ 2858.787525][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2858.787525][ T10] inet6_addr_add+0x4f8/0xa40 [ 2858.787525][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2858.787525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2858.787525][ T10] netlink_rcv_skb+0x130/0x360 [ 2858.787525][ T10] netlink_unicast+0x449/0x710 [ 2858.787525][ T10] netlink_sendmsg+0x723/0xbe0 [ 2858.787525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2858.787525][ T10] ___sys_sendmsg+0xee/0x170 [ 2858.787525][ T10] __sys_sendmsg+0xcd/0x170 [ 2858.787525][ T10] do_syscall_64+0xc6/0x1e0 [ 2858.787525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2858.787525][ T10] [ 2858.789643][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2858.789643][ T10] netdev_get_by_index+0x5e/0x80 [ 2858.789643][ T10] fib6_nh_init+0x3d8/0x1580 [ 2858.789643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2858.789643][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2858.789643][ T10] ipv6_add_addr+0x411/0x2000 [ 2858.789643][ T10] inet6_addr_add+0x30e/0xa40 [ 2858.789643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2858.789643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2858.789643][ T10] netlink_rcv_skb+0x130/0x360 [ 2858.789643][ T10] netlink_unicast+0x449/0x710 [ 2858.789643][ T10] netlink_sendmsg+0x723/0xbe0 [ 2858.789643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2858.789643][ T10] ___sys_sendmsg+0xee/0x170 [ 2858.789643][ T10] __sys_sendmsg+0xcd/0x170 [ 2858.789643][ T10] do_syscall_64+0xc6/0x1e0 [ 2858.789643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2858.789643][ T10] [ 2858.791688][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2858.791688][ T10] netdev_get_by_index+0x5e/0x80 [ 2858.791688][ T10] fib6_nh_init+0x3d8/0x1580 [ 2858.791688][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2858.791688][ T10] ip6_route_add+0x1c/0x140 [ 2858.791688][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2858.791688][ T10] addrconf_add_dev+0xe2/0x170 [ 2858.791688][ T10] inet6_addr_add+0x12f/0xa40 [ 2858.791688][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2858.791688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2858.791688][ T10] netlink_rcv_skb+0x130/0x360 [ 2858.791688][ T10] netlink_unicast+0x449/0x710 [ 2858.791688][ T10] netlink_sendmsg+0x723/0xbe0 [ 2858.791688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2858.791688][ T10] ___sys_sendmsg+0xee/0x170 [ 2858.791688][ T10] __sys_sendmsg+0xcd/0x170 [ 2858.791688][ T10] do_syscall_64+0xc6/0x1e0 [ 2858.791688][ T10] [ 2858.793642][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2858.793642][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2858.793642][ T10] ipv6_find_idev+0x102/0x170 [ 2858.793642][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2858.793642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2858.793642][ T10] netlink_rcv_skb+0x130/0x360 [ 2858.793642][ T10] netlink_unicast+0x449/0x710 [ 2858.793642][ T10] netlink_sendmsg+0x723/0xbe0 [ 2858.793642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2858.793642][ T10] ___sys_sendmsg+0xee/0x170 [ 2858.793642][ T10] __sys_sendmsg+0xcd/0x170 [ 2858.793642][ T10] do_syscall_64+0xc6/0x1e0 [ 2858.793642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2858.793642][ T10] [ 2858.795173][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2858.795173][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2858.795173][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2858.795173][ T10] ipv6_find_idev+0x102/0x170 [ 2858.795173][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2858.795173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2858.795173][ T10] netlink_rcv_skb+0x130/0x360 [ 2858.795173][ T10] netlink_unicast+0x449/0x710 [ 2858.795173][ T10] netlink_sendmsg+0x723/0xbe0 [ 2858.795173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2858.795173][ T10] ___sys_sendmsg+0xee/0x170 [ 2858.795173][ T10] __sys_sendmsg+0xcd/0x170 [ 2858.795173][ T10] do_syscall_64+0xc6/0x1e0 [ 2858.795173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2858.795173][ T10] [ 2858.796946][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2858.797231][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2858.797231][ T10] netdev_get_by_index+0x5e/0x80 [ 2858.797231][ T10] fib6_nh_init+0x3d8/0x1580 [ 2858.797231][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2858.797231][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2858.797231][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2858.797231][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2858.797231][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2858.797231][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2858.797231][ T10] addrconf_dad_begin+0x310/0x670 [ 2858.797231][ T10] addrconf_dad_work+0x10b/0xab0 [ 2858.797231][ T10] process_one_work+0x84d/0x18a0 [ 2858.797231][ T10] worker_thread+0x587/0xd30 [ 2858.797231][ T10] kthread+0x28a/0x350 [ 2858.797231][ T10] ret_from_fork+0x31/0x70 [ 2858.797231][ T10] ret_from_fork_asm+0x1a/0x30 [ 2858.797231][ T10] [ 2858.799438][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2858.799438][ T10] netdev_get_by_index+0x5e/0x80 [ 2858.799438][ T10] fib6_nh_init+0x3d8/0x1580 [ 2858.799438][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2858.799438][ T10] ip6_route_add+0x1c/0x140 [ 2858.799438][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2858.799438][ T10] inet6_addr_add+0x4f8/0xa40 [ 2858.799438][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2858.799438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2858.799438][ T10] netlink_rcv_skb+0x130/0x360 [ 2858.799438][ T10] netlink_unicast+0x449/0x710 [ 2858.799438][ T10] netlink_sendmsg+0x723/0xbe0 [ 2858.799438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2858.799438][ T10] ___sys_sendmsg+0xee/0x170 [ 2858.799438][ T10] __sys_sendmsg+0xcd/0x170 [ 2858.799438][ T10] do_syscall_64+0xc6/0x1e0 [ 2858.799438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2858.799438][ T10] [ 2858.801747][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2858.801747][ T10] netdev_get_by_index+0x5e/0x80 [ 2858.801747][ T10] fib6_nh_init+0x3d8/0x1580 [ 2858.801747][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2858.801747][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2858.801747][ T10] ipv6_add_addr+0x411/0x2000 [ 2858.801747][ T10] inet6_addr_add+0x30e/0xa40 [ 2858.801747][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2858.801747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2858.801747][ T10] netlink_rcv_skb+0x130/0x360 [ 2858.801747][ T10] netlink_unicast+0x449/0x710 [ 2858.801747][ T10] netlink_sendmsg+0x723/0xbe0 [ 2858.801747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2858.801747][ T10] ___sys_sendmsg+0xee/0x170 [ 2858.801747][ T10] __sys_sendmsg+0xcd/0x170 [ 2858.801747][ T10] do_syscall_64+0xc6/0x1e0 [ 2858.801747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2858.801747][ T10] [ 2858.804063][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2858.804063][ T10] netdev_get_by_index+0x5e/0x80 [ 2858.804063][ T10] fib6_nh_init+0x3d8/0x1580 [ 2858.804063][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2858.804063][ T10] ip6_route_add+0x1c/0x140 [ 2858.804063][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2858.804063][ T10] addrconf_add_dev+0xe2/0x170 [ 2858.804063][ T10] inet6_addr_add+0x12f/0xa40 [ 2858.804063][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2858.804063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2858.804063][ T10] netlink_rcv_skb+0x130/0x360 [ 2858.804063][ T10] netlink_unicast+0x449/0x710 [ 2858.804063][ T10] netlink_sendmsg+0x723/0xbe0 [ 2858.804063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2858.804063][ T10] ___sys_sendmsg+0xee/0x170 [ 2858.804063][ T10] __sys_sendmsg+0xcd/0x170 [ 2858.804063][ T10] do_syscall_64+0xc6/0x1e0 [ 2858.804063][ T10] [ 2858.806306][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2858.806306][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2858.806306][ T10] ipv6_find_idev+0x102/0x170 [ 2858.806306][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2858.806306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2858.806306][ T10] netlink_rcv_skb+0x130/0x360 [ 2858.806306][ T10] netlink_unicast+0x449/0x710 [ 2858.806306][ T10] netlink_sendmsg+0x723/0xbe0 [ 2858.806306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2858.806306][ T10] ___sys_sendmsg+0xee/0x170 [ 2858.806306][ T10] __sys_sendmsg+0xcd/0x170 [ 2858.806306][ T10] do_syscall_64+0xc6/0x1e0 [ 2858.806306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2858.806306][ T10] [ 2858.808035][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2858.808035][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2858.808035][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2858.808035][ T10] ipv6_find_idev+0x102/0x170 [ 2858.808035][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2858.808035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2858.808035][ T10] netlink_rcv_skb+0x130/0x360 [ 2858.808035][ T10] netlink_unicast+0x449/0x710 [ 2858.808035][ T10] netlink_sendmsg+0x723/0xbe0 [ 2858.808035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2858.808035][ T10] ___sys_sendmsg+0xee/0x170 [ 2858.808035][ T10] __sys_sendmsg+0xcd/0x170 [ 2858.808035][ T10] do_syscall_64+0xc6/0x1e0 [ 2858.808035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2858.808035][ T10] [ 2858.809929][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2858.810696][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2858.810696][ T10] netdev_get_by_index+0x5e/0x80 [ 2858.810696][ T10] fib6_nh_init+0x3d8/0x1580 [ 2858.810696][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2858.810696][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2858.810696][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2858.810696][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2858.810696][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2858.810696][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2858.810696][ T10] addrconf_dad_begin+0x310/0x670 [ 2858.810696][ T10] addrconf_dad_work+0x10b/0xab0 [ 2858.810696][ T10] process_one_work+0x84d/0x18a0 [ 2858.810696][ T10] worker_thread+0x587/0xd30 [ 2858.810696][ T10] kthread+0x28a/0x350 [ 2858.810696][ T10] ret_from_fork+0x31/0x70 [ 2858.810696][ T10] ret_from_fork_asm+0x1a/0x30 [ 2858.810696][ T10] [ 2858.812890][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2858.812890][ T10] netdev_get_by_index+0x5e/0x80 [ 2858.812890][ T10] fib6_nh_init+0x3d8/0x1580 [ 2858.812890][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2858.812890][ T10] ip6_route_add+0x1c/0x140 [ 2858.812890][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2858.812890][ T10] inet6_addr_add+0x4f8/0xa40 [ 2858.812890][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2858.812890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2858.812890][ T10] netlink_rcv_skb+0x130/0x360 [ 2858.812890][ T10] netlink_unicast+0x449/0x710 [ 2858.812890][ T10] netlink_sendmsg+0x723/0xbe0 [ 2858.812890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2858.812890][ T10] ___sys_sendmsg+0xee/0x170 [ 2858.812890][ T10] __sys_sendmsg+0xcd/0x170 [ 2858.812890][ T10] do_syscall_64+0xc6/0x1e0 [ 2858.812890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2858.812890][ T10] [ 2858.815031][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2858.815031][ T10] netdev_get_by_index+0x5e/0x80 [ 2858.815031][ T10] fib6_nh_init+0x3d8/0x1580 [ 2858.815031][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2858.815031][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2858.815031][ T10] ipv6_add_addr+0x411/0x2000 [ 2858.815031][ T10] inet6_addr_add+0x30e/0xa40 [ 2858.815031][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2858.815031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2858.815031][ T10] netlink_rcv_skb+0x130/0x360 [ 2858.815031][ T10] netlink_unicast+0x449/0x710 [ 2858.815031][ T10] netlink_sendmsg+0x723/0xbe0 [ 2858.815031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2858.815031][ T10] ___sys_sendmsg+0xee/0x170 [ 2858.815031][ T10] __sys_sendmsg+0xcd/0x170 [ 2858.815031][ T10] do_syscall_64+0xc6/0x1e0 [ 2858.815031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2858.815031][ T10] [ 2858.817259][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2858.817259][ T10] netdev_get_by_index+0x5e/0x80 [ 2858.817259][ T10] fib6_nh_init+0x3d8/0x1580 [ 2858.817259][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2858.817259][ T10] ip6_route_add+0x1c/0x140 [ 2858.817259][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2858.817259][ T10] addrconf_add_dev+0xe2/0x170 [ 2858.817259][ T10] inet6_addr_add+0x12f/0xa40 [ 2858.817259][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2858.817259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2858.817259][ T10] netlink_rcv_skb+0x130/0x360 [ 2858.817259][ T10] netlink_unicast+0x449/0x710 [ 2858.817259][ T10] netlink_sendmsg+0x723/0xbe0 [ 2858.817259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2858.817259][ T10] ___sys_sendmsg+0xee/0x170 [ 2858.817259][ T10] __sys_sendmsg+0xcd/0x170 [ 2858.817259][ T10] do_syscall_64+0xc6/0x1e0 [ 2858.817259][ T10] [ 2858.819724][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2858.819724][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2858.819724][ T10] ipv6_find_idev+0x102/0x170 [ 2858.819724][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2858.819724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2858.819724][ T10] netlink_rcv_skb+0x130/0x360 [ 2858.819724][ T10] netlink_unicast+0x449/0x710 [ 2858.819724][ T10] netlink_sendmsg+0x723/0xbe0 [ 2858.819724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2858.819724][ T10] ___sys_sendmsg+0xee/0x170 [ 2858.819724][ T10] __sys_sendmsg+0xcd/0x170 [ 2858.819724][ T10] do_syscall_64+0xc6/0x1e0 [ 2858.819724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2858.819724][ T10] [ 2858.821756][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2858.821756][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2858.821756][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2858.821756][ T10] ipv6_find_idev+0x102/0x170 [ 2858.821756][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2858.821756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2858.821756][ T10] netlink_rcv_skb+0x130/0x360 [ 2858.821756][ T10] netlink_unicast+0x449/0x710 [ 2858.821756][ T10] netlink_sendmsg+0x723/0xbe0 [ 2858.821756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2858.821756][ T10] ___sys_sendmsg+0xee/0x170 [ 2858.821756][ T10] __sys_sendmsg+0xcd/0x170 [ 2858.821756][ T10] do_syscall_64+0xc6/0x1e0 [ 2858.821756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2858.821756][ T10] [ 2858.823858][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2858.824167][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2858.824167][ T10] netdev_get_by_index+0x5e/0x80 [ 2858.824167][ T10] fib6_nh_init+0x3d8/0x1580 [ 2858.824167][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2858.824167][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2858.824167][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2858.824167][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2858.824167][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2858.824167][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2858.824167][ T10] addrconf_dad_begin+0x310/0x670 [ 2858.824167][ T10] addrconf_dad_work+0x10b/0xab0 [ 2858.824167][ T10] process_one_work+0x84d/0x18a0 [ 2858.824167][ T10] worker_thread+0x587/0xd30 [ 2858.824167][ T10] kthread+0x28a/0x350 [ 2858.824167][ T10] ret_from_fork+0x31/0x70 [ 2858.824167][ T10] ret_from_fork_asm+0x1a/0x30 [ 2858.824167][ T10] [ 2858.826681][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2858.826681][ T10] netdev_get_by_index+0x5e/0x80 [ 2858.826681][ T10] fib6_nh_init+0x3d8/0x1580 [ 2858.826681][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2858.826681][ T10] ip6_route_add+0x1c/0x140 [ 2858.826681][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2858.826681][ T10] inet6_addr_add+0x4f8/0xa40 [ 2858.826681][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2858.826681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2858.826681][ T10] netlink_rcv_skb+0x130/0x360 [ 2858.826681][ T10] netlink_unicast+0x449/0x710 [ 2858.826681][ T10] netlink_sendmsg+0x723/0xbe0 [ 2858.826681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2858.826681][ T10] ___sys_sendmsg+0xee/0x170 [ 2858.826681][ T10] __sys_sendmsg+0xcd/0x170 [ 2858.826681][ T10] do_syscall_64+0xc6/0x1e0 [ 2858.826681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2858.826681][ T10] [ 2858.828988][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2858.828988][ T10] netdev_get_by_index+0x5e/0x80 [ 2858.828988][ T10] fib6_nh_init+0x3d8/0x1580 [ 2858.828988][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2858.828988][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2858.828988][ T10] ipv6_add_addr+0x411/0x2000 [ 2858.828988][ T10] inet6_addr_add+0x30e/0xa40 [ 2858.828988][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2858.828988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2858.828988][ T10] netlink_rcv_skb+0x130/0x360 [ 2858.828988][ T10] netlink_unicast+0x449/0x710 [ 2858.828988][ T10] netlink_sendmsg+0x723/0xbe0 [ 2858.828988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2858.828988][ T10] ___sys_sendmsg+0xee/0x170 [ 2858.828988][ T10] __sys_sendmsg+0xcd/0x170 [ 2858.828988][ T10] do_syscall_64+0xc6/0x1e0 [ 2858.828988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2858.828988][ T10] [ 2858.831253][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2858.831253][ T10] netdev_get_by_index+0x5e/0x80 [ 2858.831253][ T10] fib6_nh_init+0x3d8/0x1580 [ 2858.831253][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2858.831253][ T10] ip6_route_add+0x1c/0x140 [ 2858.831253][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2858.831253][ T10] addrconf_add_dev+0xe2/0x170 [ 2858.831253][ T10] inet6_addr_add+0x12f/0xa40 [ 2858.831253][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2858.831253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2858.831253][ T10] netlink_rcv_skb+0x130/0x360 [ 2858.831253][ T10] netlink_unicast+0x449/0x710 [ 2858.831253][ T10] netlink_sendmsg+0x723/0xbe0 [ 2858.831253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2858.831253][ T10] ___sys_sendmsg+0xee/0x170 [ 2858.831253][ T10] __sys_sendmsg+0xcd/0x170 [ 2858.831253][ T10] do_syscall_64+0xc6/0x1e0 [ 2858.831253][ T10] [ 2858.833473][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2858.833473][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2858.833473][ T10] ipv6_find_idev+0x102/0x170 [ 2858.833473][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2858.833473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2858.833473][ T10] netlink_rcv_skb+0x130/0x360 [ 2858.833473][ T10] netlink_unicast+0x449/0x710 [ 2858.833473][ T10] netlink_sendmsg+0x723/0xbe0 [ 2858.833473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2858.833473][ T10] ___sys_sendmsg+0xee/0x170 [ 2858.833473][ T10] __sys_sendmsg+0xcd/0x170 [ 2858.833473][ T10] do_syscall_64+0xc6/0x1e0 [ 2858.833473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2858.833473][ T10] [ 2858.835200][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2858.835200][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2858.835200][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2858.835200][ T10] ipv6_find_idev+0x102/0x170 [ 2858.835200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2858.835200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2858.835200][ T10] netlink_rcv_skb+0x130/0x360 [ 2858.835200][ T10] netlink_unicast+0x449/0x710 [ 2858.835200][ T10] netlink_sendmsg+0x723/0xbe0 [ 2858.835200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2858.835200][ T10] ___sys_sendmsg+0xee/0x170 [ 2858.835200][ T10] __sys_sendmsg+0xcd/0x170 [ 2858.835200][ T10] do_syscall_64+0xc6/0x1e0 [ 2858.835200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2858.835200][ T10] [ 2861.553083][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2861.553510][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2861.553510][ T1167] dst_init+0x84/0x4a0 [ 2861.553510][ T1167] dst_alloc+0x97/0x150 [ 2861.553510][ T1167] ip6_dst_alloc+0x23/0x90 [ 2861.553510][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2861.553510][ T1167] ip6_pol_route+0x56f/0x840 [ 2861.553510][ T1167] fib6_rule_lookup+0x334/0x630 [ 2861.553510][ T1167] ip6_route_output_flags+0x259/0x480 [ 2861.553510][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2861.553510][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2861.553510][ T1167] netlink_rcv_skb+0x130/0x360 [ 2861.553510][ T1167] netlink_unicast+0x449/0x710 [ 2861.553510][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2861.553510][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2861.553510][ T1167] ___sys_sendmsg+0xee/0x170 [ 2861.553510][ T1167] __sys_sendmsg+0xcd/0x170 [ 2861.553510][ T1167] do_syscall_64+0xc6/0x1e0 [ 2861.553510][ T1167] [ 2861.555710][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2861.555710][ T1167] netdev_get_by_index+0x5e/0x80 [ 2861.555710][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2861.555710][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2861.555710][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2861.555710][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2861.555710][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2861.555710][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2861.555710][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2861.555710][ T1167] addrconf_dad_begin+0x310/0x670 [ 2861.555710][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2861.555710][ T1167] process_one_work+0x84d/0x18a0 [ 2861.555710][ T1167] worker_thread+0x587/0xd30 [ 2861.555710][ T1167] kthread+0x28a/0x350 [ 2861.555710][ T1167] ret_from_fork+0x31/0x70 [ 2861.555710][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2861.555710][ T1167] [ 2861.557847][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2861.557847][ T1167] netdev_get_by_index+0x5e/0x80 [ 2861.557847][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2861.557847][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2861.557847][ T1167] ip6_route_add+0x1c/0x140 [ 2861.557847][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2861.557847][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2861.557847][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2861.557847][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.557847][ T1167] netlink_rcv_skb+0x130/0x360 [ 2861.557847][ T1167] netlink_unicast+0x449/0x710 [ 2861.557847][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2861.557847][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2861.557847][ T1167] ___sys_sendmsg+0xee/0x170 [ 2861.557847][ T1167] __sys_sendmsg+0xcd/0x170 [ 2861.557847][ T1167] do_syscall_64+0xc6/0x1e0 [ 2861.557847][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2861.557847][ T1167] [ 2861.560088][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2861.560088][ T1167] netdev_get_by_index+0x5e/0x80 [ 2861.560088][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2861.560088][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2861.560088][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2861.560088][ T1167] ipv6_add_addr+0x411/0x2000 [ 2861.560088][ T1167] inet6_addr_add+0x30e/0xa40 [ 2861.560088][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2861.560088][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.560088][ T1167] netlink_rcv_skb+0x130/0x360 [ 2861.560088][ T1167] netlink_unicast+0x449/0x710 [ 2861.560088][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2861.560088][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2861.560088][ T1167] ___sys_sendmsg+0xee/0x170 [ 2861.560088][ T1167] __sys_sendmsg+0xcd/0x170 [ 2861.560088][ T1167] do_syscall_64+0xc6/0x1e0 [ 2861.560088][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2861.560088][ T1167] [ 2861.562332][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2861.562332][ T1167] netdev_get_by_index+0x5e/0x80 [ 2861.562332][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2861.562332][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2861.562332][ T1167] ip6_route_add+0x1c/0x140 [ 2861.562332][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2861.562332][ T1167] addrconf_add_dev+0xe2/0x170 [ 2861.562332][ T1167] inet6_addr_add+0x12f/0xa40 [ 2861.562332][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2861.562332][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.562332][ T1167] netlink_rcv_skb+0x130/0x360 [ 2861.562332][ T1167] netlink_unicast+0x449/0x710 [ 2861.562332][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2861.562332][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2861.562332][ T1167] ___sys_sendmsg+0xee/0x170 [ 2861.562332][ T1167] __sys_sendmsg+0xcd/0x170 [ 2861.562332][ T1167] do_syscall_64+0xc6/0x1e0 [ 2861.562332][ T1167] [ 2861.564553][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2861.564553][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2861.564553][ T1167] ipv6_find_idev+0x102/0x170 [ 2861.564553][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2861.564553][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.564553][ T1167] netlink_rcv_skb+0x130/0x360 [ 2861.564553][ T1167] netlink_unicast+0x449/0x710 [ 2861.564553][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2861.564553][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2861.564553][ T1167] ___sys_sendmsg+0xee/0x170 [ 2861.564553][ T1167] __sys_sendmsg+0xcd/0x170 [ 2861.564553][ T1167] do_syscall_64+0xc6/0x1e0 [ 2861.564553][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2861.564553][ T1167] [ 2861.566274][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2861.566274][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2861.566274][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2861.566274][ T1167] ipv6_find_idev+0x102/0x170 [ 2861.566274][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2861.566274][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.566274][ T1167] netlink_rcv_skb+0x130/0x360 [ 2861.566274][ T1167] netlink_unicast+0x449/0x710 [ 2861.566274][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2861.566274][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2861.566274][ T1167] ___sys_sendmsg+0xee/0x170 [ 2861.566274][ T1167] __sys_sendmsg+0xcd/0x170 [ 2861.566274][ T1167] do_syscall_64+0xc6/0x1e0 [ 2861.566274][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2861.566274][ T1167] [ 2869.089145][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2869.089507][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2869.089507][ T10] netdev_get_by_index+0x5e/0x80 [ 2869.089507][ T10] fib6_nh_init+0x3d8/0x1580 [ 2869.089507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2869.089507][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2869.089507][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2869.089507][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2869.089507][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2869.089507][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2869.089507][ T10] addrconf_dad_begin+0x310/0x670 [ 2869.089507][ T10] addrconf_dad_work+0x10b/0xab0 [ 2869.089507][ T10] process_one_work+0x84d/0x18a0 [ 2869.089507][ T10] worker_thread+0x587/0xd30 [ 2869.089507][ T10] kthread+0x28a/0x350 [ 2869.089507][ T10] ret_from_fork+0x31/0x70 [ 2869.089507][ T10] ret_from_fork_asm+0x1a/0x30 [ 2869.089507][ T10] [ 2869.091476][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2869.091476][ T10] netdev_get_by_index+0x5e/0x80 [ 2869.091476][ T10] fib6_nh_init+0x3d8/0x1580 [ 2869.091476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2869.091476][ T10] ip6_route_add+0x1c/0x140 [ 2869.091476][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2869.091476][ T10] inet6_addr_add+0x4f8/0xa40 [ 2869.091476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2869.091476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2869.091476][ T10] netlink_rcv_skb+0x130/0x360 [ 2869.091476][ T10] netlink_unicast+0x449/0x710 [ 2869.091476][ T10] netlink_sendmsg+0x723/0xbe0 [ 2869.091476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2869.091476][ T10] ___sys_sendmsg+0xee/0x170 [ 2869.091476][ T10] __sys_sendmsg+0xcd/0x170 [ 2869.091476][ T10] do_syscall_64+0xc6/0x1e0 [ 2869.091476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2869.091476][ T10] [ 2869.093513][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2869.093513][ T10] netdev_get_by_index+0x5e/0x80 [ 2869.093513][ T10] fib6_nh_init+0x3d8/0x1580 [ 2869.093513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2869.093513][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2869.093513][ T10] ipv6_add_addr+0x411/0x2000 [ 2869.093513][ T10] inet6_addr_add+0x30e/0xa40 [ 2869.093513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2869.093513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2869.093513][ T10] netlink_rcv_skb+0x130/0x360 [ 2869.093513][ T10] netlink_unicast+0x449/0x710 [ 2869.093513][ T10] netlink_sendmsg+0x723/0xbe0 [ 2869.093513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2869.093513][ T10] ___sys_sendmsg+0xee/0x170 [ 2869.093513][ T10] __sys_sendmsg+0xcd/0x170 [ 2869.093513][ T10] do_syscall_64+0xc6/0x1e0 [ 2869.093513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2869.093513][ T10] [ 2869.095538][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2869.095538][ T10] netdev_get_by_index+0x5e/0x80 [ 2869.095538][ T10] fib6_nh_init+0x3d8/0x1580 [ 2869.095538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2869.095538][ T10] ip6_route_add+0x1c/0x140 [ 2869.095538][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2869.095538][ T10] addrconf_add_dev+0xe2/0x170 [ 2869.095538][ T10] inet6_addr_add+0x12f/0xa40 [ 2869.095538][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2869.095538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2869.095538][ T10] netlink_rcv_skb+0x130/0x360 [ 2869.095538][ T10] netlink_unicast+0x449/0x710 [ 2869.095538][ T10] netlink_sendmsg+0x723/0xbe0 [ 2869.095538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2869.095538][ T10] ___sys_sendmsg+0xee/0x170 [ 2869.095538][ T10] __sys_sendmsg+0xcd/0x170 [ 2869.095538][ T10] do_syscall_64+0xc6/0x1e0 [ 2869.095538][ T10] [ 2869.097525][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2869.097525][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2869.097525][ T10] ipv6_find_idev+0x102/0x170 [ 2869.097525][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2869.097525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2869.097525][ T10] netlink_rcv_skb+0x130/0x360 [ 2869.097525][ T10] netlink_unicast+0x449/0x710 [ 2869.097525][ T10] netlink_sendmsg+0x723/0xbe0 [ 2869.097525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2869.097525][ T10] ___sys_sendmsg+0xee/0x170 [ 2869.097525][ T10] __sys_sendmsg+0xcd/0x170 [ 2869.097525][ T10] do_syscall_64+0xc6/0x1e0 [ 2869.097525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2869.097525][ T10] [ 2869.099078][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2869.099078][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2869.099078][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2869.099078][ T10] ipv6_find_idev+0x102/0x170 [ 2869.099078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2869.099078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2869.099078][ T10] netlink_rcv_skb+0x130/0x360 [ 2869.099078][ T10] netlink_unicast+0x449/0x710 [ 2869.099078][ T10] netlink_sendmsg+0x723/0xbe0 [ 2869.099078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2869.099078][ T10] ___sys_sendmsg+0xee/0x170 [ 2869.099078][ T10] __sys_sendmsg+0xcd/0x170 [ 2869.099078][ T10] do_syscall_64+0xc6/0x1e0 [ 2869.099078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2869.099078][ T10] [ 2869.100795][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2869.101044][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2869.101044][ T10] netdev_get_by_index+0x5e/0x80 [ 2869.101044][ T10] fib6_nh_init+0x3d8/0x1580 [ 2869.101044][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2869.101044][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2869.101044][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2869.101044][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2869.101044][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2869.101044][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2869.101044][ T10] addrconf_dad_begin+0x310/0x670 [ 2869.101044][ T10] addrconf_dad_work+0x10b/0xab0 [ 2869.101044][ T10] process_one_work+0x84d/0x18a0 [ 2869.101044][ T10] worker_thread+0x587/0xd30 [ 2869.101044][ T10] kthread+0x28a/0x350 [ 2869.101044][ T10] ret_from_fork+0x31/0x70 [ 2869.101044][ T10] ret_from_fork_asm+0x1a/0x30 [ 2869.101044][ T10] [ 2869.102973][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2869.102973][ T10] netdev_get_by_index+0x5e/0x80 [ 2869.102973][ T10] fib6_nh_init+0x3d8/0x1580 [ 2869.102973][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2869.102973][ T10] ip6_route_add+0x1c/0x140 [ 2869.102973][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2869.102973][ T10] inet6_addr_add+0x4f8/0xa40 [ 2869.102973][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2869.102973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2869.102973][ T10] netlink_rcv_skb+0x130/0x360 [ 2869.102973][ T10] netlink_unicast+0x449/0x710 [ 2869.102973][ T10] netlink_sendmsg+0x723/0xbe0 [ 2869.102973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2869.102973][ T10] ___sys_sendmsg+0xee/0x170 [ 2869.102973][ T10] __sys_sendmsg+0xcd/0x170 [ 2869.102973][ T10] do_syscall_64+0xc6/0x1e0 [ 2869.102973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2869.102973][ T10] [ 2869.104996][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2869.104996][ T10] netdev_get_by_index+0x5e/0x80 [ 2869.104996][ T10] fib6_nh_init+0x3d8/0x1580 [ 2869.104996][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2869.104996][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2869.104996][ T10] ipv6_add_addr+0x411/0x2000 [ 2869.104996][ T10] inet6_addr_add+0x30e/0xa40 [ 2869.104996][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2869.104996][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2869.104996][ T10] netlink_rcv_skb+0x130/0x360 [ 2869.104996][ T10] netlink_unicast+0x449/0x710 [ 2869.104996][ T10] netlink_sendmsg+0x723/0xbe0 [ 2869.104996][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2869.104996][ T10] ___sys_sendmsg+0xee/0x170 [ 2869.104996][ T10] __sys_sendmsg+0xcd/0x170 [ 2869.104996][ T10] do_syscall_64+0xc6/0x1e0 [ 2869.104996][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2869.104996][ T10] [ 2869.107010][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2869.107010][ T10] netdev_get_by_index+0x5e/0x80 [ 2869.107010][ T10] fib6_nh_init+0x3d8/0x1580 [ 2869.107010][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2869.107010][ T10] ip6_route_add+0x1c/0x140 [ 2869.107010][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2869.107010][ T10] addrconf_add_dev+0xe2/0x170 [ 2869.107010][ T10] inet6_addr_add+0x12f/0xa40 [ 2869.107010][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2869.107010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2869.107010][ T10] netlink_rcv_skb+0x130/0x360 [ 2869.107010][ T10] netlink_unicast+0x449/0x710 [ 2869.107010][ T10] netlink_sendmsg+0x723/0xbe0 [ 2869.107010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2869.107010][ T10] ___sys_sendmsg+0xee/0x170 [ 2869.107010][ T10] __sys_sendmsg+0xcd/0x170 [ 2869.107010][ T10] do_syscall_64+0xc6/0x1e0 [ 2869.107010][ T10] [ 2869.108996][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2869.108996][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2869.108996][ T10] ipv6_find_idev+0x102/0x170 [ 2869.108996][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2869.108996][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2869.108996][ T10] netlink_rcv_skb+0x130/0x360 [ 2869.108996][ T10] netlink_unicast+0x449/0x710 [ 2869.108996][ T10] netlink_sendmsg+0x723/0xbe0 [ 2869.108996][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2869.108996][ T10] ___sys_sendmsg+0xee/0x170 [ 2869.108996][ T10] __sys_sendmsg+0xcd/0x170 [ 2869.108996][ T10] do_syscall_64+0xc6/0x1e0 [ 2869.108996][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2869.108996][ T10] [ 2869.110599][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2869.110599][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2869.110599][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2869.110599][ T10] ipv6_find_idev+0x102/0x170 [ 2869.110599][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2869.110599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2869.110599][ T10] netlink_rcv_skb+0x130/0x360 [ 2869.110599][ T10] netlink_unicast+0x449/0x710 [ 2869.110599][ T10] netlink_sendmsg+0x723/0xbe0 [ 2869.110599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2869.110599][ T10] ___sys_sendmsg+0xee/0x170 [ 2869.110599][ T10] __sys_sendmsg+0xcd/0x170 [ 2869.110599][ T10] do_syscall_64+0xc6/0x1e0 [ 2869.110599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2869.110599][ T10] [ 2869.112331][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2869.112605][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2869.112605][ T10] netdev_get_by_index+0x5e/0x80 [ 2869.112605][ T10] fib6_nh_init+0x3d8/0x1580 [ 2869.112605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2869.112605][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2869.112605][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2869.112605][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2869.112605][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2869.112605][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2869.112605][ T10] addrconf_dad_begin+0x310/0x670 [ 2869.112605][ T10] addrconf_dad_work+0x10b/0xab0 [ 2869.112605][ T10] process_one_work+0x84d/0x18a0 [ 2869.112605][ T10] worker_thread+0x587/0xd30 [ 2869.112605][ T10] kthread+0x28a/0x350 [ 2869.112605][ T10] ret_from_fork+0x31/0x70 [ 2869.112605][ T10] ret_from_fork_asm+0x1a/0x30 [ 2869.112605][ T10] [ 2869.114546][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2869.114546][ T10] netdev_get_by_index+0x5e/0x80 [ 2869.114546][ T10] fib6_nh_init+0x3d8/0x1580 [ 2869.114546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2869.114546][ T10] ip6_route_add+0x1c/0x140 [ 2869.114546][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2869.114546][ T10] inet6_addr_add+0x4f8/0xa40 [ 2869.114546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2869.114546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2869.114546][ T10] netlink_rcv_skb+0x130/0x360 [ 2869.114546][ T10] netlink_unicast+0x449/0x710 [ 2869.114546][ T10] netlink_sendmsg+0x723/0xbe0 [ 2869.114546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2869.114546][ T10] ___sys_sendmsg+0xee/0x170 [ 2869.114546][ T10] __sys_sendmsg+0xcd/0x170 [ 2869.114546][ T10] do_syscall_64+0xc6/0x1e0 [ 2869.114546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2869.114546][ T10] [ 2869.116755][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2869.116755][ T10] netdev_get_by_index+0x5e/0x80 [ 2869.116755][ T10] fib6_nh_init+0x3d8/0x1580 [ 2869.116755][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2869.116755][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2869.116755][ T10] ipv6_add_addr+0x411/0x2000 [ 2869.116755][ T10] inet6_addr_add+0x30e/0xa40 [ 2869.116755][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2869.116755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2869.116755][ T10] netlink_rcv_skb+0x130/0x360 [ 2869.116755][ T10] netlink_unicast+0x449/0x710 [ 2869.116755][ T10] netlink_sendmsg+0x723/0xbe0 [ 2869.116755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2869.116755][ T10] ___sys_sendmsg+0xee/0x170 [ 2869.116755][ T10] __sys_sendmsg+0xcd/0x170 [ 2869.116755][ T10] do_syscall_64+0xc6/0x1e0 [ 2869.116755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2869.116755][ T10] [ 2869.119075][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2869.119075][ T10] netdev_get_by_index+0x5e/0x80 [ 2869.119075][ T10] fib6_nh_init+0x3d8/0x1580 [ 2869.119075][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2869.119075][ T10] ip6_route_add+0x1c/0x140 [ 2869.119075][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2869.119075][ T10] addrconf_add_dev+0xe2/0x170 [ 2869.119075][ T10] inet6_addr_add+0x12f/0xa40 [ 2869.119075][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2869.119075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2869.119075][ T10] netlink_rcv_skb+0x130/0x360 [ 2869.119075][ T10] netlink_unicast+0x449/0x710 [ 2869.119075][ T10] netlink_sendmsg+0x723/0xbe0 [ 2869.119075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2869.119075][ T10] ___sys_sendmsg+0xee/0x170 [ 2869.119075][ T10] __sys_sendmsg+0xcd/0x170 [ 2869.119075][ T10] do_syscall_64+0xc6/0x1e0 [ 2869.119075][ T10] [ 2869.121314][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2869.121314][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2869.121314][ T10] ipv6_find_idev+0x102/0x170 [ 2869.121314][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2869.121314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2869.121314][ T10] netlink_rcv_skb+0x130/0x360 [ 2869.121314][ T10] netlink_unicast+0x449/0x710 [ 2869.121314][ T10] netlink_sendmsg+0x723/0xbe0 [ 2869.121314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2869.121314][ T10] ___sys_sendmsg+0xee/0x170 [ 2869.121314][ T10] __sys_sendmsg+0xcd/0x170 [ 2869.121314][ T10] do_syscall_64+0xc6/0x1e0 [ 2869.121314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2869.121314][ T10] [ 2869.123076][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2869.123076][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2869.123076][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2869.123076][ T10] ipv6_find_idev+0x102/0x170 [ 2869.123076][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2869.123076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2869.123076][ T10] netlink_rcv_skb+0x130/0x360 [ 2869.123076][ T10] netlink_unicast+0x449/0x710 [ 2869.123076][ T10] netlink_sendmsg+0x723/0xbe0 [ 2869.123076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2869.123076][ T10] ___sys_sendmsg+0xee/0x170 [ 2869.123076][ T10] __sys_sendmsg+0xcd/0x170 [ 2869.123076][ T10] do_syscall_64+0xc6/0x1e0 [ 2869.123076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2869.123076][ T10] [ 2869.125002][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2869.125248][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2869.125248][ T10] netdev_get_by_index+0x5e/0x80 [ 2869.125248][ T10] fib6_nh_init+0x3d8/0x1580 [ 2869.125248][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2869.125248][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2869.125248][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2869.125248][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2869.125248][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2869.125248][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2869.125248][ T10] addrconf_dad_begin+0x310/0x670 [ 2869.125248][ T10] addrconf_dad_work+0x10b/0xab0 [ 2869.125248][ T10] process_one_work+0x84d/0x18a0 [ 2869.125248][ T10] worker_thread+0x587/0xd30 [ 2869.125248][ T10] kthread+0x28a/0x350 [ 2869.125248][ T10] ret_from_fork+0x31/0x70 [ 2869.125248][ T10] ret_from_fork_asm+0x1a/0x30 [ 2869.125248][ T10] [ 2869.127518][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2869.127518][ T10] netdev_get_by_index+0x5e/0x80 [ 2869.127518][ T10] fib6_nh_init+0x3d8/0x1580 [ 2869.127518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2869.127518][ T10] ip6_route_add+0x1c/0x140 [ 2869.127518][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2869.127518][ T10] inet6_addr_add+0x4f8/0xa40 [ 2869.127518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2869.127518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2869.127518][ T10] netlink_rcv_skb+0x130/0x360 [ 2869.127518][ T10] netlink_unicast+0x449/0x710 [ 2869.127518][ T10] netlink_sendmsg+0x723/0xbe0 [ 2869.127518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2869.127518][ T10] ___sys_sendmsg+0xee/0x170 [ 2869.127518][ T10] __sys_sendmsg+0xcd/0x170 [ 2869.127518][ T10] do_syscall_64+0xc6/0x1e0 [ 2869.127518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2869.127518][ T10] [ 2869.129808][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2869.129808][ T10] netdev_get_by_index+0x5e/0x80 [ 2869.129808][ T10] fib6_nh_init+0x3d8/0x1580 [ 2869.129808][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2869.129808][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2869.129808][ T10] ipv6_add_addr+0x411/0x2000 [ 2869.129808][ T10] inet6_addr_add+0x30e/0xa40 [ 2869.129808][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2869.129808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2869.129808][ T10] netlink_rcv_skb+0x130/0x360 [ 2869.129808][ T10] netlink_unicast+0x449/0x710 [ 2869.129808][ T10] netlink_sendmsg+0x723/0xbe0 [ 2869.129808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2869.129808][ T10] ___sys_sendmsg+0xee/0x170 [ 2869.129808][ T10] __sys_sendmsg+0xcd/0x170 [ 2869.129808][ T10] do_syscall_64+0xc6/0x1e0 [ 2869.129808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2869.129808][ T10] [ 2869.131977][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2869.131977][ T10] netdev_get_by_index+0x5e/0x80 [ 2869.131977][ T10] fib6_nh_init+0x3d8/0x1580 [ 2869.131977][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2869.131977][ T10] ip6_route_add+0x1c/0x140 [ 2869.131977][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2869.131977][ T10] addrconf_add_dev+0xe2/0x170 [ 2869.131977][ T10] inet6_addr_add+0x12f/0xa40 [ 2869.131977][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2869.131977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2869.131977][ T10] netlink_rcv_skb+0x130/0x360 [ 2869.131977][ T10] netlink_unicast+0x449/0x710 [ 2869.131977][ T10] netlink_sendmsg+0x723/0xbe0 [ 2869.131977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2869.131977][ T10] ___sys_sendmsg+0xee/0x170 [ 2869.131977][ T10] __sys_sendmsg+0xcd/0x170 [ 2869.131977][ T10] do_syscall_64+0xc6/0x1e0 [ 2869.131977][ T10] [ 2869.134044][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2869.134044][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2869.134044][ T10] ipv6_find_idev+0x102/0x170 [ 2869.134044][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2869.134044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2869.134044][ T10] netlink_rcv_skb+0x130/0x360 [ 2869.134044][ T10] netlink_unicast+0x449/0x710 [ 2869.134044][ T10] netlink_sendmsg+0x723/0xbe0 [ 2869.134044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2869.134044][ T10] ___sys_sendmsg+0xee/0x170 [ 2869.134044][ T10] __sys_sendmsg+0xcd/0x170 [ 2869.134044][ T10] do_syscall_64+0xc6/0x1e0 [ 2869.134044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2869.134044][ T10] [ 2869.135676][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2869.135676][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2869.135676][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2869.135676][ T10] ipv6_find_idev+0x102/0x170 [ 2869.135676][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2869.135676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2869.135676][ T10] netlink_rcv_skb+0x130/0x360 [ 2869.135676][ T10] netlink_unicast+0x449/0x710 [ 2869.135676][ T10] netlink_sendmsg+0x723/0xbe0 [ 2869.135676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2869.135676][ T10] ___sys_sendmsg+0xee/0x170 [ 2869.135676][ T10] __sys_sendmsg+0xcd/0x170 [ 2869.135676][ T10] do_syscall_64+0xc6/0x1e0 [ 2869.135676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2869.135676][ T10] [ 2871.809114][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2871.809539][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2871.809539][ T1167] dst_init+0x84/0x4a0 [ 2871.809539][ T1167] dst_alloc+0x97/0x150 [ 2871.809539][ T1167] ip6_dst_alloc+0x23/0x90 [ 2871.809539][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2871.809539][ T1167] ip6_pol_route+0x56f/0x840 [ 2871.809539][ T1167] fib6_rule_lookup+0x334/0x630 [ 2871.809539][ T1167] ip6_route_output_flags+0x259/0x480 [ 2871.809539][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2871.809539][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2871.809539][ T1167] netlink_rcv_skb+0x130/0x360 [ 2871.809539][ T1167] netlink_unicast+0x449/0x710 [ 2871.809539][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2871.809539][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2871.809539][ T1167] ___sys_sendmsg+0xee/0x170 [ 2871.809539][ T1167] __sys_sendmsg+0xcd/0x170 [ 2871.809539][ T1167] do_syscall_64+0xc6/0x1e0 [ 2871.809539][ T1167] [ 2871.811770][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2871.811770][ T1167] netdev_get_by_index+0x5e/0x80 [ 2871.811770][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2871.811770][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2871.811770][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2871.811770][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2871.811770][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2871.811770][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2871.811770][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2871.811770][ T1167] addrconf_dad_begin+0x310/0x670 [ 2871.811770][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2871.811770][ T1167] process_one_work+0x84d/0x18a0 [ 2871.811770][ T1167] worker_thread+0x587/0xd30 [ 2871.811770][ T1167] kthread+0x28a/0x350 [ 2871.811770][ T1167] ret_from_fork+0x31/0x70 [ 2871.811770][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2871.811770][ T1167] [ 2871.813981][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2871.813981][ T1167] netdev_get_by_index+0x5e/0x80 [ 2871.813981][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2871.813981][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2871.813981][ T1167] ip6_route_add+0x1c/0x140 [ 2871.813981][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2871.813981][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2871.813981][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2871.813981][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.813981][ T1167] netlink_rcv_skb+0x130/0x360 [ 2871.813981][ T1167] netlink_unicast+0x449/0x710 [ 2871.813981][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2871.813981][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2871.813981][ T1167] ___sys_sendmsg+0xee/0x170 [ 2871.813981][ T1167] __sys_sendmsg+0xcd/0x170 [ 2871.813981][ T1167] do_syscall_64+0xc6/0x1e0 [ 2871.813981][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2871.813981][ T1167] [ 2871.816284][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2871.816284][ T1167] netdev_get_by_index+0x5e/0x80 [ 2871.816284][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2871.816284][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2871.816284][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2871.816284][ T1167] ipv6_add_addr+0x411/0x2000 [ 2871.816284][ T1167] inet6_addr_add+0x30e/0xa40 [ 2871.816284][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2871.816284][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.816284][ T1167] netlink_rcv_skb+0x130/0x360 [ 2871.816284][ T1167] netlink_unicast+0x449/0x710 [ 2871.816284][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2871.816284][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2871.816284][ T1167] ___sys_sendmsg+0xee/0x170 [ 2871.816284][ T1167] __sys_sendmsg+0xcd/0x170 [ 2871.816284][ T1167] do_syscall_64+0xc6/0x1e0 [ 2871.816284][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2871.816284][ T1167] [ 2871.818550][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2871.818550][ T1167] netdev_get_by_index+0x5e/0x80 [ 2871.818550][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2871.818550][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2871.818550][ T1167] ip6_route_add+0x1c/0x140 [ 2871.818550][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2871.818550][ T1167] addrconf_add_dev+0xe2/0x170 [ 2871.818550][ T1167] inet6_addr_add+0x12f/0xa40 [ 2871.818550][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2871.818550][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.818550][ T1167] netlink_rcv_skb+0x130/0x360 [ 2871.818550][ T1167] netlink_unicast+0x449/0x710 [ 2871.818550][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2871.818550][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2871.818550][ T1167] ___sys_sendmsg+0xee/0x170 [ 2871.818550][ T1167] __sys_sendmsg+0xcd/0x170 [ 2871.818550][ T1167] do_syscall_64+0xc6/0x1e0 [ 2871.818550][ T1167] [ 2871.820749][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2871.820749][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2871.820749][ T1167] ipv6_find_idev+0x102/0x170 [ 2871.820749][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2871.820749][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.820749][ T1167] netlink_rcv_skb+0x130/0x360 [ 2871.820749][ T1167] netlink_unicast+0x449/0x710 [ 2871.820749][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2871.820749][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2871.820749][ T1167] ___sys_sendmsg+0xee/0x170 [ 2871.820749][ T1167] __sys_sendmsg+0xcd/0x170 [ 2871.820749][ T1167] do_syscall_64+0xc6/0x1e0 [ 2871.820749][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2871.820749][ T1167] [ 2871.822485][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2871.822485][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2871.822485][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2871.822485][ T1167] ipv6_find_idev+0x102/0x170 [ 2871.822485][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2871.822485][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.822485][ T1167] netlink_rcv_skb+0x130/0x360 [ 2871.822485][ T1167] netlink_unicast+0x449/0x710 [ 2871.822485][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2871.822485][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2871.822485][ T1167] ___sys_sendmsg+0xee/0x170 [ 2871.822485][ T1167] __sys_sendmsg+0xcd/0x170 [ 2871.822485][ T1167] do_syscall_64+0xc6/0x1e0 [ 2871.822485][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2871.822485][ T1167] [ 2879.385067][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2879.385446][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2879.385446][ T10] netdev_get_by_index+0x5e/0x80 [ 2879.385446][ T10] fib6_nh_init+0x3d8/0x1580 [ 2879.385446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2879.385446][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2879.385446][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2879.385446][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2879.385446][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2879.385446][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2879.385446][ T10] addrconf_dad_begin+0x310/0x670 [ 2879.385446][ T10] addrconf_dad_work+0x10b/0xab0 [ 2879.385446][ T10] process_one_work+0x84d/0x18a0 [ 2879.385446][ T10] worker_thread+0x587/0xd30 [ 2879.385446][ T10] kthread+0x28a/0x350 [ 2879.385446][ T10] ret_from_fork+0x31/0x70 [ 2879.385446][ T10] ret_from_fork_asm+0x1a/0x30 [ 2879.385446][ T10] [ 2879.387455][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2879.387455][ T10] netdev_get_by_index+0x5e/0x80 [ 2879.387455][ T10] fib6_nh_init+0x3d8/0x1580 [ 2879.387455][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2879.387455][ T10] ip6_route_add+0x1c/0x140 [ 2879.387455][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2879.387455][ T10] inet6_addr_add+0x4f8/0xa40 [ 2879.387455][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2879.387455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2879.387455][ T10] netlink_rcv_skb+0x130/0x360 [ 2879.387455][ T10] netlink_unicast+0x449/0x710 [ 2879.387455][ T10] netlink_sendmsg+0x723/0xbe0 [ 2879.387455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2879.387455][ T10] ___sys_sendmsg+0xee/0x170 [ 2879.387455][ T10] __sys_sendmsg+0xcd/0x170 [ 2879.387455][ T10] do_syscall_64+0xc6/0x1e0 [ 2879.387455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2879.387455][ T10] [ 2879.389498][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2879.389498][ T10] netdev_get_by_index+0x5e/0x80 [ 2879.389498][ T10] fib6_nh_init+0x3d8/0x1580 [ 2879.389498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2879.389498][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2879.389498][ T10] ipv6_add_addr+0x411/0x2000 [ 2879.389498][ T10] inet6_addr_add+0x30e/0xa40 [ 2879.389498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2879.389498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2879.389498][ T10] netlink_rcv_skb+0x130/0x360 [ 2879.389498][ T10] netlink_unicast+0x449/0x710 [ 2879.389498][ T10] netlink_sendmsg+0x723/0xbe0 [ 2879.389498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2879.389498][ T10] ___sys_sendmsg+0xee/0x170 [ 2879.389498][ T10] __sys_sendmsg+0xcd/0x170 [ 2879.389498][ T10] do_syscall_64+0xc6/0x1e0 [ 2879.389498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2879.389498][ T10] [ 2879.391526][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2879.391526][ T10] netdev_get_by_index+0x5e/0x80 [ 2879.391526][ T10] fib6_nh_init+0x3d8/0x1580 [ 2879.391526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2879.391526][ T10] ip6_route_add+0x1c/0x140 [ 2879.391526][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2879.391526][ T10] addrconf_add_dev+0xe2/0x170 [ 2879.391526][ T10] inet6_addr_add+0x12f/0xa40 [ 2879.391526][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2879.391526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2879.391526][ T10] netlink_rcv_skb+0x130/0x360 [ 2879.391526][ T10] netlink_unicast+0x449/0x710 [ 2879.391526][ T10] netlink_sendmsg+0x723/0xbe0 [ 2879.391526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2879.391526][ T10] ___sys_sendmsg+0xee/0x170 [ 2879.391526][ T10] __sys_sendmsg+0xcd/0x170 [ 2879.391526][ T10] do_syscall_64+0xc6/0x1e0 [ 2879.391526][ T10] [ 2879.393515][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2879.393515][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2879.393515][ T10] ipv6_find_idev+0x102/0x170 [ 2879.393515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2879.393515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2879.393515][ T10] netlink_rcv_skb+0x130/0x360 [ 2879.393515][ T10] netlink_unicast+0x449/0x710 [ 2879.393515][ T10] netlink_sendmsg+0x723/0xbe0 [ 2879.393515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2879.393515][ T10] ___sys_sendmsg+0xee/0x170 [ 2879.393515][ T10] __sys_sendmsg+0xcd/0x170 [ 2879.393515][ T10] do_syscall_64+0xc6/0x1e0 [ 2879.393515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2879.393515][ T10] [ 2879.395154][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2879.395154][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2879.395154][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2879.395154][ T10] ipv6_find_idev+0x102/0x170 [ 2879.395154][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2879.395154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2879.395154][ T10] netlink_rcv_skb+0x130/0x360 [ 2879.395154][ T10] netlink_unicast+0x449/0x710 [ 2879.395154][ T10] netlink_sendmsg+0x723/0xbe0 [ 2879.395154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2879.395154][ T10] ___sys_sendmsg+0xee/0x170 [ 2879.395154][ T10] __sys_sendmsg+0xcd/0x170 [ 2879.395154][ T10] do_syscall_64+0xc6/0x1e0 [ 2879.395154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2879.395154][ T10] [ 2879.396875][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2879.397137][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2879.397137][ T10] netdev_get_by_index+0x5e/0x80 [ 2879.397137][ T10] fib6_nh_init+0x3d8/0x1580 [ 2879.397137][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2879.397137][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2879.397137][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2879.397137][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2879.397137][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2879.397137][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2879.397137][ T10] addrconf_dad_begin+0x310/0x670 [ 2879.397137][ T10] addrconf_dad_work+0x10b/0xab0 [ 2879.397137][ T10] process_one_work+0x84d/0x18a0 [ 2879.397137][ T10] worker_thread+0x587/0xd30 [ 2879.397137][ T10] kthread+0x28a/0x350 [ 2879.397137][ T10] ret_from_fork+0x31/0x70 [ 2879.397137][ T10] ret_from_fork_asm+0x1a/0x30 [ 2879.397137][ T10] [ 2879.399078][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2879.399078][ T10] netdev_get_by_index+0x5e/0x80 [ 2879.399078][ T10] fib6_nh_init+0x3d8/0x1580 [ 2879.399078][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2879.399078][ T10] ip6_route_add+0x1c/0x140 [ 2879.399078][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2879.399078][ T10] inet6_addr_add+0x4f8/0xa40 [ 2879.399078][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2879.399078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2879.399078][ T10] netlink_rcv_skb+0x130/0x360 [ 2879.399078][ T10] netlink_unicast+0x449/0x710 [ 2879.399078][ T10] netlink_sendmsg+0x723/0xbe0 [ 2879.399078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2879.399078][ T10] ___sys_sendmsg+0xee/0x170 [ 2879.399078][ T10] __sys_sendmsg+0xcd/0x170 [ 2879.399078][ T10] do_syscall_64+0xc6/0x1e0 [ 2879.399078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2879.399078][ T10] [ 2879.401100][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2879.401100][ T10] netdev_get_by_index+0x5e/0x80 [ 2879.401100][ T10] fib6_nh_init+0x3d8/0x1580 [ 2879.401100][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2879.401100][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2879.401100][ T10] ipv6_add_addr+0x411/0x2000 [ 2879.401100][ T10] inet6_addr_add+0x30e/0xa40 [ 2879.401100][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2879.401100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2879.401100][ T10] netlink_rcv_skb+0x130/0x360 [ 2879.401100][ T10] netlink_unicast+0x449/0x710 [ 2879.401100][ T10] netlink_sendmsg+0x723/0xbe0 [ 2879.401100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2879.401100][ T10] ___sys_sendmsg+0xee/0x170 [ 2879.401100][ T10] __sys_sendmsg+0xcd/0x170 [ 2879.401100][ T10] do_syscall_64+0xc6/0x1e0 [ 2879.401100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2879.401100][ T10] [ 2879.403126][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2879.403126][ T10] netdev_get_by_index+0x5e/0x80 [ 2879.403126][ T10] fib6_nh_init+0x3d8/0x1580 [ 2879.403126][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2879.403126][ T10] ip6_route_add+0x1c/0x140 [ 2879.403126][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2879.403126][ T10] addrconf_add_dev+0xe2/0x170 [ 2879.403126][ T10] inet6_addr_add+0x12f/0xa40 [ 2879.403126][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2879.403126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2879.403126][ T10] netlink_rcv_skb+0x130/0x360 [ 2879.403126][ T10] netlink_unicast+0x449/0x710 [ 2879.403126][ T10] netlink_sendmsg+0x723/0xbe0 [ 2879.403126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2879.403126][ T10] ___sys_sendmsg+0xee/0x170 [ 2879.403126][ T10] __sys_sendmsg+0xcd/0x170 [ 2879.403126][ T10] do_syscall_64+0xc6/0x1e0 [ 2879.403126][ T10] [ 2879.405125][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2879.405125][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2879.405125][ T10] ipv6_find_idev+0x102/0x170 [ 2879.405125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2879.405125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2879.405125][ T10] netlink_rcv_skb+0x130/0x360 [ 2879.405125][ T10] netlink_unicast+0x449/0x710 [ 2879.405125][ T10] netlink_sendmsg+0x723/0xbe0 [ 2879.405125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2879.405125][ T10] ___sys_sendmsg+0xee/0x170 [ 2879.405125][ T10] __sys_sendmsg+0xcd/0x170 [ 2879.405125][ T10] do_syscall_64+0xc6/0x1e0 [ 2879.405125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2879.405125][ T10] [ 2879.406683][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2879.406683][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2879.406683][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2879.406683][ T10] ipv6_find_idev+0x102/0x170 [ 2879.406683][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2879.406683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2879.406683][ T10] netlink_rcv_skb+0x130/0x360 [ 2879.406683][ T10] netlink_unicast+0x449/0x710 [ 2879.406683][ T10] netlink_sendmsg+0x723/0xbe0 [ 2879.406683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2879.406683][ T10] ___sys_sendmsg+0xee/0x170 [ 2879.406683][ T10] __sys_sendmsg+0xcd/0x170 [ 2879.406683][ T10] do_syscall_64+0xc6/0x1e0 [ 2879.406683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2879.406683][ T10] [ 2879.408390][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2879.408632][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2879.408632][ T10] netdev_get_by_index+0x5e/0x80 [ 2879.408632][ T10] fib6_nh_init+0x3d8/0x1580 [ 2879.408632][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2879.408632][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2879.408632][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2879.408632][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2879.408632][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2879.408632][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2879.408632][ T10] addrconf_dad_begin+0x310/0x670 [ 2879.408632][ T10] addrconf_dad_work+0x10b/0xab0 [ 2879.408632][ T10] process_one_work+0x84d/0x18a0 [ 2879.408632][ T10] worker_thread+0x587/0xd30 [ 2879.408632][ T10] kthread+0x28a/0x350 [ 2879.408632][ T10] ret_from_fork+0x31/0x70 [ 2879.408632][ T10] ret_from_fork_asm+0x1a/0x30 [ 2879.408632][ T10] [ 2879.410576][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2879.410576][ T10] netdev_get_by_index+0x5e/0x80 [ 2879.410576][ T10] fib6_nh_init+0x3d8/0x1580 [ 2879.410576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2879.410576][ T10] ip6_route_add+0x1c/0x140 [ 2879.410576][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2879.410576][ T10] inet6_addr_add+0x4f8/0xa40 [ 2879.410576][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2879.410576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2879.410576][ T10] netlink_rcv_skb+0x130/0x360 [ 2879.410576][ T10] netlink_unicast+0x449/0x710 [ 2879.410576][ T10] netlink_sendmsg+0x723/0xbe0 [ 2879.410576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2879.410576][ T10] ___sys_sendmsg+0xee/0x170 [ 2879.410576][ T10] __sys_sendmsg+0xcd/0x170 [ 2879.410576][ T10] do_syscall_64+0xc6/0x1e0 [ 2879.410576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2879.410576][ T10] [ 2879.412801][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2879.412801][ T10] netdev_get_by_index+0x5e/0x80 [ 2879.412801][ T10] fib6_nh_init+0x3d8/0x1580 [ 2879.412801][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2879.412801][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2879.412801][ T10] ipv6_add_addr+0x411/0x2000 [ 2879.412801][ T10] inet6_addr_add+0x30e/0xa40 [ 2879.412801][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2879.412801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2879.412801][ T10] netlink_rcv_skb+0x130/0x360 [ 2879.412801][ T10] netlink_unicast+0x449/0x710 [ 2879.412801][ T10] netlink_sendmsg+0x723/0xbe0 [ 2879.412801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2879.412801][ T10] ___sys_sendmsg+0xee/0x170 [ 2879.412801][ T10] __sys_sendmsg+0xcd/0x170 [ 2879.412801][ T10] do_syscall_64+0xc6/0x1e0 [ 2879.412801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2879.412801][ T10] [ 2879.415072][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2879.415072][ T10] netdev_get_by_index+0x5e/0x80 [ 2879.415072][ T10] fib6_nh_init+0x3d8/0x1580 [ 2879.415072][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2879.415072][ T10] ip6_route_add+0x1c/0x140 [ 2879.415072][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2879.415072][ T10] addrconf_add_dev+0xe2/0x170 [ 2879.415072][ T10] inet6_addr_add+0x12f/0xa40 [ 2879.415072][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2879.415072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2879.415072][ T10] netlink_rcv_skb+0x130/0x360 [ 2879.415072][ T10] netlink_unicast+0x449/0x710 [ 2879.415072][ T10] netlink_sendmsg+0x723/0xbe0 [ 2879.415072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2879.415072][ T10] ___sys_sendmsg+0xee/0x170 [ 2879.415072][ T10] __sys_sendmsg+0xcd/0x170 [ 2879.415072][ T10] do_syscall_64+0xc6/0x1e0 [ 2879.415072][ T10] [ 2879.417312][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2879.417312][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2879.417312][ T10] ipv6_find_idev+0x102/0x170 [ 2879.417312][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2879.417312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2879.417312][ T10] netlink_rcv_skb+0x130/0x360 [ 2879.417312][ T10] netlink_unicast+0x449/0x710 [ 2879.417312][ T10] netlink_sendmsg+0x723/0xbe0 [ 2879.417312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2879.417312][ T10] ___sys_sendmsg+0xee/0x170 [ 2879.417312][ T10] __sys_sendmsg+0xcd/0x170 [ 2879.417312][ T10] do_syscall_64+0xc6/0x1e0 [ 2879.417312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2879.417312][ T10] [ 2879.419090][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2879.419090][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2879.419090][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2879.419090][ T10] ipv6_find_idev+0x102/0x170 [ 2879.419090][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2879.419090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2879.419090][ T10] netlink_rcv_skb+0x130/0x360 [ 2879.419090][ T10] netlink_unicast+0x449/0x710 [ 2879.419090][ T10] netlink_sendmsg+0x723/0xbe0 [ 2879.419090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2879.419090][ T10] ___sys_sendmsg+0xee/0x170 [ 2879.419090][ T10] __sys_sendmsg+0xcd/0x170 [ 2879.419090][ T10] do_syscall_64+0xc6/0x1e0 [ 2879.419090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2879.419090][ T10] [ 2879.421057][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2879.421297][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2879.421297][ T10] netdev_get_by_index+0x5e/0x80 [ 2879.421297][ T10] fib6_nh_init+0x3d8/0x1580 [ 2879.421297][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2879.421297][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2879.421297][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2879.421297][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2879.421297][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2879.421297][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2879.421297][ T10] addrconf_dad_begin+0x310/0x670 [ 2879.421297][ T10] addrconf_dad_work+0x10b/0xab0 [ 2879.421297][ T10] process_one_work+0x84d/0x18a0 [ 2879.421297][ T10] worker_thread+0x587/0xd30 [ 2879.421297][ T10] kthread+0x28a/0x350 [ 2879.421297][ T10] ret_from_fork+0x31/0x70 [ 2879.421297][ T10] ret_from_fork_asm+0x1a/0x30 [ 2879.421297][ T10] [ 2879.423499][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2879.423499][ T10] netdev_get_by_index+0x5e/0x80 [ 2879.423499][ T10] fib6_nh_init+0x3d8/0x1580 [ 2879.423499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2879.423499][ T10] ip6_route_add+0x1c/0x140 [ 2879.423499][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2879.423499][ T10] inet6_addr_add+0x4f8/0xa40 [ 2879.423499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2879.423499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2879.423499][ T10] netlink_rcv_skb+0x130/0x360 [ 2879.423499][ T10] netlink_unicast+0x449/0x710 [ 2879.423499][ T10] netlink_sendmsg+0x723/0xbe0 [ 2879.423499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2879.423499][ T10] ___sys_sendmsg+0xee/0x170 [ 2879.423499][ T10] __sys_sendmsg+0xcd/0x170 [ 2879.423499][ T10] do_syscall_64+0xc6/0x1e0 [ 2879.423499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2879.423499][ T10] [ 2879.425805][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2879.425805][ T10] netdev_get_by_index+0x5e/0x80 [ 2879.425805][ T10] fib6_nh_init+0x3d8/0x1580 [ 2879.425805][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2879.425805][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2879.425805][ T10] ipv6_add_addr+0x411/0x2000 [ 2879.425805][ T10] inet6_addr_add+0x30e/0xa40 [ 2879.425805][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2879.425805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2879.425805][ T10] netlink_rcv_skb+0x130/0x360 [ 2879.425805][ T10] netlink_unicast+0x449/0x710 [ 2879.425805][ T10] netlink_sendmsg+0x723/0xbe0 [ 2879.425805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2879.425805][ T10] ___sys_sendmsg+0xee/0x170 [ 2879.425805][ T10] __sys_sendmsg+0xcd/0x170 [ 2879.425805][ T10] do_syscall_64+0xc6/0x1e0 [ 2879.425805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2879.425805][ T10] [ 2879.428084][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2879.428084][ T10] netdev_get_by_index+0x5e/0x80 [ 2879.428084][ T10] fib6_nh_init+0x3d8/0x1580 [ 2879.428084][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2879.428084][ T10] ip6_route_add+0x1c/0x140 [ 2879.428084][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2879.428084][ T10] addrconf_add_dev+0xe2/0x170 [ 2879.428084][ T10] inet6_addr_add+0x12f/0xa40 [ 2879.428084][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2879.428084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2879.428084][ T10] netlink_rcv_skb+0x130/0x360 [ 2879.428084][ T10] netlink_unicast+0x449/0x710 [ 2879.428084][ T10] netlink_sendmsg+0x723/0xbe0 [ 2879.428084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2879.428084][ T10] ___sys_sendmsg+0xee/0x170 [ 2879.428084][ T10] __sys_sendmsg+0xcd/0x170 [ 2879.428084][ T10] do_syscall_64+0xc6/0x1e0 [ 2879.428084][ T10] [ 2879.430332][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2879.430332][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2879.430332][ T10] ipv6_find_idev+0x102/0x170 [ 2879.430332][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2879.430332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2879.430332][ T10] netlink_rcv_skb+0x130/0x360 [ 2879.430332][ T10] netlink_unicast+0x449/0x710 [ 2879.430332][ T10] netlink_sendmsg+0x723/0xbe0 [ 2879.430332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2879.430332][ T10] ___sys_sendmsg+0xee/0x170 [ 2879.430332][ T10] __sys_sendmsg+0xcd/0x170 [ 2879.430332][ T10] do_syscall_64+0xc6/0x1e0 [ 2879.430332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2879.430332][ T10] [ 2879.432068][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2879.432068][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2879.432068][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2879.432068][ T10] ipv6_find_idev+0x102/0x170 [ 2879.432068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2879.432068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2879.432068][ T10] netlink_rcv_skb+0x130/0x360 [ 2879.432068][ T10] netlink_unicast+0x449/0x710 [ 2879.432068][ T10] netlink_sendmsg+0x723/0xbe0 [ 2879.432068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2879.432068][ T10] ___sys_sendmsg+0xee/0x170 [ 2879.432068][ T10] __sys_sendmsg+0xcd/0x170 [ 2879.432068][ T10] do_syscall_64+0xc6/0x1e0 [ 2879.432068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2879.432068][ T10] [ 2882.073114][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2882.073541][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2882.073541][ T1167] dst_init+0x84/0x4a0 [ 2882.073541][ T1167] dst_alloc+0x97/0x150 [ 2882.073541][ T1167] ip6_dst_alloc+0x23/0x90 [ 2882.073541][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2882.073541][ T1167] ip6_pol_route+0x56f/0x840 [ 2882.073541][ T1167] fib6_rule_lookup+0x334/0x630 [ 2882.073541][ T1167] ip6_route_output_flags+0x259/0x480 [ 2882.073541][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2882.073541][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2882.073541][ T1167] netlink_rcv_skb+0x130/0x360 [ 2882.073541][ T1167] netlink_unicast+0x449/0x710 [ 2882.073541][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2882.073541][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2882.073541][ T1167] ___sys_sendmsg+0xee/0x170 [ 2882.073541][ T1167] __sys_sendmsg+0xcd/0x170 [ 2882.073541][ T1167] do_syscall_64+0xc6/0x1e0 [ 2882.073541][ T1167] [ 2882.075768][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2882.075768][ T1167] netdev_get_by_index+0x5e/0x80 [ 2882.075768][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2882.075768][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2882.075768][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2882.075768][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2882.075768][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2882.075768][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2882.075768][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2882.075768][ T1167] addrconf_dad_begin+0x310/0x670 [ 2882.075768][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2882.075768][ T1167] process_one_work+0x84d/0x18a0 [ 2882.075768][ T1167] worker_thread+0x587/0xd30 [ 2882.075768][ T1167] kthread+0x28a/0x350 [ 2882.075768][ T1167] ret_from_fork+0x31/0x70 [ 2882.075768][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2882.075768][ T1167] [ 2882.077925][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2882.077925][ T1167] netdev_get_by_index+0x5e/0x80 [ 2882.077925][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2882.077925][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2882.077925][ T1167] ip6_route_add+0x1c/0x140 [ 2882.077925][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2882.077925][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2882.077925][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2882.077925][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2882.077925][ T1167] netlink_rcv_skb+0x130/0x360 [ 2882.077925][ T1167] netlink_unicast+0x449/0x710 [ 2882.077925][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2882.077925][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2882.077925][ T1167] ___sys_sendmsg+0xee/0x170 [ 2882.077925][ T1167] __sys_sendmsg+0xcd/0x170 [ 2882.077925][ T1167] do_syscall_64+0xc6/0x1e0 [ 2882.077925][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2882.077925][ T1167] [ 2882.080178][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2882.080178][ T1167] netdev_get_by_index+0x5e/0x80 [ 2882.080178][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2882.080178][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2882.080178][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2882.080178][ T1167] ipv6_add_addr+0x411/0x2000 [ 2882.080178][ T1167] inet6_addr_add+0x30e/0xa40 [ 2882.080178][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2882.080178][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2882.080178][ T1167] netlink_rcv_skb+0x130/0x360 [ 2882.080178][ T1167] netlink_unicast+0x449/0x710 [ 2882.080178][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2882.080178][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2882.080178][ T1167] ___sys_sendmsg+0xee/0x170 [ 2882.080178][ T1167] __sys_sendmsg+0xcd/0x170 [ 2882.080178][ T1167] do_syscall_64+0xc6/0x1e0 [ 2882.080178][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2882.080178][ T1167] [ 2882.082448][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2882.082448][ T1167] netdev_get_by_index+0x5e/0x80 [ 2882.082448][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2882.082448][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2882.082448][ T1167] ip6_route_add+0x1c/0x140 [ 2882.082448][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2882.082448][ T1167] addrconf_add_dev+0xe2/0x170 [ 2882.082448][ T1167] inet6_addr_add+0x12f/0xa40 [ 2882.082448][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2882.082448][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2882.082448][ T1167] netlink_rcv_skb+0x130/0x360 [ 2882.082448][ T1167] netlink_unicast+0x449/0x710 [ 2882.082448][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2882.082448][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2882.082448][ T1167] ___sys_sendmsg+0xee/0x170 [ 2882.082448][ T1167] __sys_sendmsg+0xcd/0x170 [ 2882.082448][ T1167] do_syscall_64+0xc6/0x1e0 [ 2882.082448][ T1167] [ 2882.084669][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2882.084669][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2882.084669][ T1167] ipv6_find_idev+0x102/0x170 [ 2882.084669][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2882.084669][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2882.084669][ T1167] netlink_rcv_skb+0x130/0x360 [ 2882.084669][ T1167] netlink_unicast+0x449/0x710 [ 2882.084669][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2882.084669][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2882.084669][ T1167] ___sys_sendmsg+0xee/0x170 [ 2882.084669][ T1167] __sys_sendmsg+0xcd/0x170 [ 2882.084669][ T1167] do_syscall_64+0xc6/0x1e0 [ 2882.084669][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2882.084669][ T1167] [ 2882.086415][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2882.086415][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2882.086415][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2882.086415][ T1167] ipv6_find_idev+0x102/0x170 [ 2882.086415][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2882.086415][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2882.086415][ T1167] netlink_rcv_skb+0x130/0x360 [ 2882.086415][ T1167] netlink_unicast+0x449/0x710 [ 2882.086415][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2882.086415][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2882.086415][ T1167] ___sys_sendmsg+0xee/0x170 [ 2882.086415][ T1167] __sys_sendmsg+0xcd/0x170 [ 2882.086415][ T1167] do_syscall_64+0xc6/0x1e0 [ 2882.086415][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2882.086415][ T1167] [ 2889.689094][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2889.689491][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2889.689491][ T10] netdev_get_by_index+0x5e/0x80 [ 2889.689491][ T10] fib6_nh_init+0x3d8/0x1580 [ 2889.689491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2889.689491][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2889.689491][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2889.689491][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2889.689491][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2889.689491][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2889.689491][ T10] addrconf_dad_begin+0x310/0x670 [ 2889.689491][ T10] addrconf_dad_work+0x10b/0xab0 [ 2889.689491][ T10] process_one_work+0x84d/0x18a0 [ 2889.689491][ T10] worker_thread+0x587/0xd30 [ 2889.689491][ T10] kthread+0x28a/0x350 [ 2889.689491][ T10] ret_from_fork+0x31/0x70 [ 2889.689491][ T10] ret_from_fork_asm+0x1a/0x30 [ 2889.689491][ T10] [ 2889.691480][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2889.691480][ T10] netdev_get_by_index+0x5e/0x80 [ 2889.691480][ T10] fib6_nh_init+0x3d8/0x1580 [ 2889.691480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2889.691480][ T10] ip6_route_add+0x1c/0x140 [ 2889.691480][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2889.691480][ T10] inet6_addr_add+0x4f8/0xa40 [ 2889.691480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2889.691480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2889.691480][ T10] netlink_rcv_skb+0x130/0x360 [ 2889.691480][ T10] netlink_unicast+0x449/0x710 [ 2889.691480][ T10] netlink_sendmsg+0x723/0xbe0 [ 2889.691480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2889.691480][ T10] ___sys_sendmsg+0xee/0x170 [ 2889.691480][ T10] __sys_sendmsg+0xcd/0x170 [ 2889.691480][ T10] do_syscall_64+0xc6/0x1e0 [ 2889.691480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2889.691480][ T10] [ 2889.693630][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2889.693630][ T10] netdev_get_by_index+0x5e/0x80 [ 2889.693630][ T10] fib6_nh_init+0x3d8/0x1580 [ 2889.693630][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2889.693630][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2889.693630][ T10] ipv6_add_addr+0x411/0x2000 [ 2889.693630][ T10] inet6_addr_add+0x30e/0xa40 [ 2889.693630][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2889.693630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2889.693630][ T10] netlink_rcv_skb+0x130/0x360 [ 2889.693630][ T10] netlink_unicast+0x449/0x710 [ 2889.693630][ T10] netlink_sendmsg+0x723/0xbe0 [ 2889.693630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2889.693630][ T10] ___sys_sendmsg+0xee/0x170 [ 2889.693630][ T10] __sys_sendmsg+0xcd/0x170 [ 2889.693630][ T10] do_syscall_64+0xc6/0x1e0 [ 2889.693630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2889.693630][ T10] [ 2889.695664][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2889.695664][ T10] netdev_get_by_index+0x5e/0x80 [ 2889.695664][ T10] fib6_nh_init+0x3d8/0x1580 [ 2889.695664][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2889.695664][ T10] ip6_route_add+0x1c/0x140 [ 2889.695664][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2889.695664][ T10] addrconf_add_dev+0xe2/0x170 [ 2889.695664][ T10] inet6_addr_add+0x12f/0xa40 [ 2889.695664][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2889.695664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2889.695664][ T10] netlink_rcv_skb+0x130/0x360 [ 2889.695664][ T10] netlink_unicast+0x449/0x710 [ 2889.695664][ T10] netlink_sendmsg+0x723/0xbe0 [ 2889.695664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2889.695664][ T10] ___sys_sendmsg+0xee/0x170 [ 2889.695664][ T10] __sys_sendmsg+0xcd/0x170 [ 2889.695664][ T10] do_syscall_64+0xc6/0x1e0 [ 2889.695664][ T10] [ 2889.697655][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2889.697655][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2889.697655][ T10] ipv6_find_idev+0x102/0x170 [ 2889.697655][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2889.697655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2889.697655][ T10] netlink_rcv_skb+0x130/0x360 [ 2889.697655][ T10] netlink_unicast+0x449/0x710 [ 2889.697655][ T10] netlink_sendmsg+0x723/0xbe0 [ 2889.697655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2889.697655][ T10] ___sys_sendmsg+0xee/0x170 [ 2889.697655][ T10] __sys_sendmsg+0xcd/0x170 [ 2889.697655][ T10] do_syscall_64+0xc6/0x1e0 [ 2889.697655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2889.697655][ T10] [ 2889.699212][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2889.699212][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2889.699212][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2889.699212][ T10] ipv6_find_idev+0x102/0x170 [ 2889.699212][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2889.699212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2889.699212][ T10] netlink_rcv_skb+0x130/0x360 [ 2889.699212][ T10] netlink_unicast+0x449/0x710 [ 2889.699212][ T10] netlink_sendmsg+0x723/0xbe0 [ 2889.699212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2889.699212][ T10] ___sys_sendmsg+0xee/0x170 [ 2889.699212][ T10] __sys_sendmsg+0xcd/0x170 [ 2889.699212][ T10] do_syscall_64+0xc6/0x1e0 [ 2889.699212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2889.699212][ T10] [ 2889.700945][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2889.701208][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2889.701208][ T10] netdev_get_by_index+0x5e/0x80 [ 2889.701208][ T10] fib6_nh_init+0x3d8/0x1580 [ 2889.701208][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2889.701208][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2889.701208][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2889.701208][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2889.701208][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2889.701208][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2889.701208][ T10] addrconf_dad_begin+0x310/0x670 [ 2889.701208][ T10] addrconf_dad_work+0x10b/0xab0 [ 2889.701208][ T10] process_one_work+0x84d/0x18a0 [ 2889.701208][ T10] worker_thread+0x587/0xd30 [ 2889.701208][ T10] kthread+0x28a/0x350 [ 2889.701208][ T10] ret_from_fork+0x31/0x70 [ 2889.701208][ T10] ret_from_fork_asm+0x1a/0x30 [ 2889.701208][ T10] [ 2889.703146][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2889.703146][ T10] netdev_get_by_index+0x5e/0x80 [ 2889.703146][ T10] fib6_nh_init+0x3d8/0x1580 [ 2889.703146][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2889.703146][ T10] ip6_route_add+0x1c/0x140 [ 2889.703146][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2889.703146][ T10] inet6_addr_add+0x4f8/0xa40 [ 2889.703146][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2889.703146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2889.703146][ T10] netlink_rcv_skb+0x130/0x360 [ 2889.703146][ T10] netlink_unicast+0x449/0x710 [ 2889.703146][ T10] netlink_sendmsg+0x723/0xbe0 [ 2889.703146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2889.703146][ T10] ___sys_sendmsg+0xee/0x170 [ 2889.703146][ T10] __sys_sendmsg+0xcd/0x170 [ 2889.703146][ T10] do_syscall_64+0xc6/0x1e0 [ 2889.703146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2889.703146][ T10] [ 2889.705177][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2889.705177][ T10] netdev_get_by_index+0x5e/0x80 [ 2889.705177][ T10] fib6_nh_init+0x3d8/0x1580 [ 2889.705177][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2889.705177][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2889.705177][ T10] ipv6_add_addr+0x411/0x2000 [ 2889.705177][ T10] inet6_addr_add+0x30e/0xa40 [ 2889.705177][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2889.705177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2889.705177][ T10] netlink_rcv_skb+0x130/0x360 [ 2889.705177][ T10] netlink_unicast+0x449/0x710 [ 2889.705177][ T10] netlink_sendmsg+0x723/0xbe0 [ 2889.705177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2889.705177][ T10] ___sys_sendmsg+0xee/0x170 [ 2889.705177][ T10] __sys_sendmsg+0xcd/0x170 [ 2889.705177][ T10] do_syscall_64+0xc6/0x1e0 [ 2889.705177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2889.705177][ T10] [ 2889.707192][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2889.707192][ T10] netdev_get_by_index+0x5e/0x80 [ 2889.707192][ T10] fib6_nh_init+0x3d8/0x1580 [ 2889.707192][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2889.707192][ T10] ip6_route_add+0x1c/0x140 [ 2889.707192][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2889.707192][ T10] addrconf_add_dev+0xe2/0x170 [ 2889.707192][ T10] inet6_addr_add+0x12f/0xa40 [ 2889.707192][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2889.707192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2889.707192][ T10] netlink_rcv_skb+0x130/0x360 [ 2889.707192][ T10] netlink_unicast+0x449/0x710 [ 2889.707192][ T10] netlink_sendmsg+0x723/0xbe0 [ 2889.707192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2889.707192][ T10] ___sys_sendmsg+0xee/0x170 [ 2889.707192][ T10] __sys_sendmsg+0xcd/0x170 [ 2889.707192][ T10] do_syscall_64+0xc6/0x1e0 [ 2889.707192][ T10] [ 2889.709174][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2889.709174][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2889.709174][ T10] ipv6_find_idev+0x102/0x170 [ 2889.709174][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2889.709174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2889.709174][ T10] netlink_rcv_skb+0x130/0x360 [ 2889.709174][ T10] netlink_unicast+0x449/0x710 [ 2889.709174][ T10] netlink_sendmsg+0x723/0xbe0 [ 2889.709174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2889.709174][ T10] ___sys_sendmsg+0xee/0x170 [ 2889.709174][ T10] __sys_sendmsg+0xcd/0x170 [ 2889.709174][ T10] do_syscall_64+0xc6/0x1e0 [ 2889.709174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2889.709174][ T10] [ 2889.710732][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2889.710732][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2889.710732][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2889.710732][ T10] ipv6_find_idev+0x102/0x170 [ 2889.710732][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2889.710732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2889.710732][ T10] netlink_rcv_skb+0x130/0x360 [ 2889.710732][ T10] netlink_unicast+0x449/0x710 [ 2889.710732][ T10] netlink_sendmsg+0x723/0xbe0 [ 2889.710732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2889.710732][ T10] ___sys_sendmsg+0xee/0x170 [ 2889.710732][ T10] __sys_sendmsg+0xcd/0x170 [ 2889.710732][ T10] do_syscall_64+0xc6/0x1e0 [ 2889.710732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2889.710732][ T10] [ 2889.712449][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2889.712708][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2889.712708][ T10] netdev_get_by_index+0x5e/0x80 [ 2889.712708][ T10] fib6_nh_init+0x3d8/0x1580 [ 2889.712708][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2889.712708][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2889.712708][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2889.712708][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2889.712708][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2889.712708][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2889.712708][ T10] addrconf_dad_begin+0x310/0x670 [ 2889.712708][ T10] addrconf_dad_work+0x10b/0xab0 [ 2889.712708][ T10] process_one_work+0x84d/0x18a0 [ 2889.712708][ T10] worker_thread+0x587/0xd30 [ 2889.712708][ T10] kthread+0x28a/0x350 [ 2889.712708][ T10] ret_from_fork+0x31/0x70 [ 2889.712708][ T10] ret_from_fork_asm+0x1a/0x30 [ 2889.712708][ T10] [ 2889.714851][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2889.714851][ T10] netdev_get_by_index+0x5e/0x80 [ 2889.714851][ T10] fib6_nh_init+0x3d8/0x1580 [ 2889.714851][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2889.714851][ T10] ip6_route_add+0x1c/0x140 [ 2889.714851][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2889.714851][ T10] inet6_addr_add+0x4f8/0xa40 [ 2889.714851][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2889.714851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2889.714851][ T10] netlink_rcv_skb+0x130/0x360 [ 2889.714851][ T10] netlink_unicast+0x449/0x710 [ 2889.714851][ T10] netlink_sendmsg+0x723/0xbe0 [ 2889.714851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2889.714851][ T10] ___sys_sendmsg+0xee/0x170 [ 2889.714851][ T10] __sys_sendmsg+0xcd/0x170 [ 2889.714851][ T10] do_syscall_64+0xc6/0x1e0 [ 2889.714851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2889.714851][ T10] [ 2889.717242][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2889.717242][ T10] netdev_get_by_index+0x5e/0x80 [ 2889.717242][ T10] fib6_nh_init+0x3d8/0x1580 [ 2889.717242][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2889.717242][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2889.717242][ T10] ipv6_add_addr+0x411/0x2000 [ 2889.717242][ T10] inet6_addr_add+0x30e/0xa40 [ 2889.717242][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2889.717242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2889.717242][ T10] netlink_rcv_skb+0x130/0x360 [ 2889.717242][ T10] netlink_unicast+0x449/0x710 [ 2889.717242][ T10] netlink_sendmsg+0x723/0xbe0 [ 2889.717242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2889.717242][ T10] ___sys_sendmsg+0xee/0x170 [ 2889.717242][ T10] __sys_sendmsg+0xcd/0x170 [ 2889.717242][ T10] do_syscall_64+0xc6/0x1e0 [ 2889.717242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2889.717242][ T10] [ 2889.719692][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2889.719692][ T10] netdev_get_by_index+0x5e/0x80 [ 2889.719692][ T10] fib6_nh_init+0x3d8/0x1580 [ 2889.719692][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2889.719692][ T10] ip6_route_add+0x1c/0x140 [ 2889.719692][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2889.719692][ T10] addrconf_add_dev+0xe2/0x170 [ 2889.719692][ T10] inet6_addr_add+0x12f/0xa40 [ 2889.719692][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2889.719692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2889.719692][ T10] netlink_rcv_skb+0x130/0x360 [ 2889.719692][ T10] netlink_unicast+0x449/0x710 [ 2889.719692][ T10] netlink_sendmsg+0x723/0xbe0 [ 2889.719692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2889.719692][ T10] ___sys_sendmsg+0xee/0x170 [ 2889.719692][ T10] __sys_sendmsg+0xcd/0x170 [ 2889.719692][ T10] do_syscall_64+0xc6/0x1e0 [ 2889.719692][ T10] [ 2889.722094][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2889.722094][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2889.722094][ T10] ipv6_find_idev+0x102/0x170 [ 2889.722094][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2889.722094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2889.722094][ T10] netlink_rcv_skb+0x130/0x360 [ 2889.722094][ T10] netlink_unicast+0x449/0x710 [ 2889.722094][ T10] netlink_sendmsg+0x723/0xbe0 [ 2889.722094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2889.722094][ T10] ___sys_sendmsg+0xee/0x170 [ 2889.722094][ T10] __sys_sendmsg+0xcd/0x170 [ 2889.722094][ T10] do_syscall_64+0xc6/0x1e0 [ 2889.722094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2889.722094][ T10] [ 2889.724566][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2889.724566][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2889.724566][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2889.724566][ T10] ipv6_find_idev+0x102/0x170 [ 2889.724566][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2889.724566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2889.724566][ T10] netlink_rcv_skb+0x130/0x360 [ 2889.724566][ T10] netlink_unicast+0x449/0x710 [ 2889.724566][ T10] netlink_sendmsg+0x723/0xbe0 [ 2889.724566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2889.724566][ T10] ___sys_sendmsg+0xee/0x170 [ 2889.724566][ T10] __sys_sendmsg+0xcd/0x170 [ 2889.724566][ T10] do_syscall_64+0xc6/0x1e0 [ 2889.724566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2889.724566][ T10] [ 2889.727008][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2889.727691][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2889.727691][ T10] netdev_get_by_index+0x5e/0x80 [ 2889.727691][ T10] fib6_nh_init+0x3d8/0x1580 [ 2889.727691][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2889.727691][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2889.727691][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2889.727691][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2889.727691][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2889.727691][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2889.727691][ T10] addrconf_dad_begin+0x310/0x670 [ 2889.727691][ T10] addrconf_dad_work+0x10b/0xab0 [ 2889.727691][ T10] process_one_work+0x84d/0x18a0 [ 2889.727691][ T10] worker_thread+0x587/0xd30 [ 2889.727691][ T10] kthread+0x28a/0x350 [ 2889.727691][ T10] ret_from_fork+0x31/0x70 [ 2889.727691][ T10] ret_from_fork_asm+0x1a/0x30 [ 2889.727691][ T10] [ 2889.729769][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2889.729769][ T10] netdev_get_by_index+0x5e/0x80 [ 2889.729769][ T10] fib6_nh_init+0x3d8/0x1580 [ 2889.729769][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2889.729769][ T10] ip6_route_add+0x1c/0x140 [ 2889.729769][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2889.729769][ T10] inet6_addr_add+0x4f8/0xa40 [ 2889.729769][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2889.729769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2889.729769][ T10] netlink_rcv_skb+0x130/0x360 [ 2889.729769][ T10] netlink_unicast+0x449/0x710 [ 2889.729769][ T10] netlink_sendmsg+0x723/0xbe0 [ 2889.729769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2889.729769][ T10] ___sys_sendmsg+0xee/0x170 [ 2889.729769][ T10] __sys_sendmsg+0xcd/0x170 [ 2889.729769][ T10] do_syscall_64+0xc6/0x1e0 [ 2889.729769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2889.729769][ T10] [ 2889.731968][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2889.731968][ T10] netdev_get_by_index+0x5e/0x80 [ 2889.731968][ T10] fib6_nh_init+0x3d8/0x1580 [ 2889.731968][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2889.731968][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2889.731968][ T10] ipv6_add_addr+0x411/0x2000 [ 2889.731968][ T10] inet6_addr_add+0x30e/0xa40 [ 2889.731968][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2889.731968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2889.731968][ T10] netlink_rcv_skb+0x130/0x360 [ 2889.731968][ T10] netlink_unicast+0x449/0x710 [ 2889.731968][ T10] netlink_sendmsg+0x723/0xbe0 [ 2889.731968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2889.731968][ T10] ___sys_sendmsg+0xee/0x170 [ 2889.731968][ T10] __sys_sendmsg+0xcd/0x170 [ 2889.731968][ T10] do_syscall_64+0xc6/0x1e0 [ 2889.731968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2889.731968][ T10] [ 2889.734169][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2889.734169][ T10] netdev_get_by_index+0x5e/0x80 [ 2889.734169][ T10] fib6_nh_init+0x3d8/0x1580 [ 2889.734169][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2889.734169][ T10] ip6_route_add+0x1c/0x140 [ 2889.734169][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2889.734169][ T10] addrconf_add_dev+0xe2/0x170 [ 2889.734169][ T10] inet6_addr_add+0x12f/0xa40 [ 2889.734169][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2889.734169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2889.734169][ T10] netlink_rcv_skb+0x130/0x360 [ 2889.734169][ T10] netlink_unicast+0x449/0x710 [ 2889.734169][ T10] netlink_sendmsg+0x723/0xbe0 [ 2889.734169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2889.734169][ T10] ___sys_sendmsg+0xee/0x170 [ 2889.734169][ T10] __sys_sendmsg+0xcd/0x170 [ 2889.734169][ T10] do_syscall_64+0xc6/0x1e0 [ 2889.734169][ T10] [ 2889.736585][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2889.736585][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2889.736585][ T10] ipv6_find_idev+0x102/0x170 [ 2889.736585][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2889.736585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2889.736585][ T10] netlink_rcv_skb+0x130/0x360 [ 2889.736585][ T10] netlink_unicast+0x449/0x710 [ 2889.736585][ T10] netlink_sendmsg+0x723/0xbe0 [ 2889.736585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2889.736585][ T10] ___sys_sendmsg+0xee/0x170 [ 2889.736585][ T10] __sys_sendmsg+0xcd/0x170 [ 2889.736585][ T10] do_syscall_64+0xc6/0x1e0 [ 2889.736585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2889.736585][ T10] [ 2889.738470][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2889.738470][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2889.738470][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2889.738470][ T10] ipv6_find_idev+0x102/0x170 [ 2889.738470][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2889.738470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2889.738470][ T10] netlink_rcv_skb+0x130/0x360 [ 2889.738470][ T10] netlink_unicast+0x449/0x710 [ 2889.738470][ T10] netlink_sendmsg+0x723/0xbe0 [ 2889.738470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2889.738470][ T10] ___sys_sendmsg+0xee/0x170 [ 2889.738470][ T10] __sys_sendmsg+0xcd/0x170 [ 2889.738470][ T10] do_syscall_64+0xc6/0x1e0 [ 2889.738470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2889.738470][ T10] [ 2892.329040][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2892.329470][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2892.329470][ T1167] dst_init+0x84/0x4a0 [ 2892.329470][ T1167] dst_alloc+0x97/0x150 [ 2892.329470][ T1167] ip6_dst_alloc+0x23/0x90 [ 2892.329470][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2892.329470][ T1167] ip6_pol_route+0x56f/0x840 [ 2892.329470][ T1167] fib6_rule_lookup+0x334/0x630 [ 2892.329470][ T1167] ip6_route_output_flags+0x259/0x480 [ 2892.329470][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2892.329470][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2892.329470][ T1167] netlink_rcv_skb+0x130/0x360 [ 2892.329470][ T1167] netlink_unicast+0x449/0x710 [ 2892.329470][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2892.329470][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2892.329470][ T1167] ___sys_sendmsg+0xee/0x170 [ 2892.329470][ T1167] __sys_sendmsg+0xcd/0x170 [ 2892.329470][ T1167] do_syscall_64+0xc6/0x1e0 [ 2892.329470][ T1167] [ 2892.331703][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2892.331703][ T1167] netdev_get_by_index+0x5e/0x80 [ 2892.331703][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2892.331703][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2892.331703][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2892.331703][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2892.331703][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2892.331703][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2892.331703][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2892.331703][ T1167] addrconf_dad_begin+0x310/0x670 [ 2892.331703][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2892.331703][ T1167] process_one_work+0x84d/0x18a0 [ 2892.331703][ T1167] worker_thread+0x587/0xd30 [ 2892.331703][ T1167] kthread+0x28a/0x350 [ 2892.331703][ T1167] ret_from_fork+0x31/0x70 [ 2892.331703][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2892.331703][ T1167] [ 2892.333911][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2892.333911][ T1167] netdev_get_by_index+0x5e/0x80 [ 2892.333911][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2892.333911][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2892.333911][ T1167] ip6_route_add+0x1c/0x140 [ 2892.333911][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2892.333911][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2892.333911][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2892.333911][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.333911][ T1167] netlink_rcv_skb+0x130/0x360 [ 2892.333911][ T1167] netlink_unicast+0x449/0x710 [ 2892.333911][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2892.333911][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2892.333911][ T1167] ___sys_sendmsg+0xee/0x170 [ 2892.333911][ T1167] __sys_sendmsg+0xcd/0x170 [ 2892.333911][ T1167] do_syscall_64+0xc6/0x1e0 [ 2892.333911][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.333911][ T1167] [ 2892.336176][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2892.336176][ T1167] netdev_get_by_index+0x5e/0x80 [ 2892.336176][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2892.336176][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2892.336176][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2892.336176][ T1167] ipv6_add_addr+0x411/0x2000 [ 2892.336176][ T1167] inet6_addr_add+0x30e/0xa40 [ 2892.336176][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2892.336176][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.336176][ T1167] netlink_rcv_skb+0x130/0x360 [ 2892.336176][ T1167] netlink_unicast+0x449/0x710 [ 2892.336176][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2892.336176][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2892.336176][ T1167] ___sys_sendmsg+0xee/0x170 [ 2892.336176][ T1167] __sys_sendmsg+0xcd/0x170 [ 2892.336176][ T1167] do_syscall_64+0xc6/0x1e0 [ 2892.336176][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.336176][ T1167] [ 2892.338434][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2892.338434][ T1167] netdev_get_by_index+0x5e/0x80 [ 2892.338434][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2892.338434][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2892.338434][ T1167] ip6_route_add+0x1c/0x140 [ 2892.338434][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2892.338434][ T1167] addrconf_add_dev+0xe2/0x170 [ 2892.338434][ T1167] inet6_addr_add+0x12f/0xa40 [ 2892.338434][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2892.338434][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.338434][ T1167] netlink_rcv_skb+0x130/0x360 [ 2892.338434][ T1167] netlink_unicast+0x449/0x710 [ 2892.338434][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2892.338434][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2892.338434][ T1167] ___sys_sendmsg+0xee/0x170 [ 2892.338434][ T1167] __sys_sendmsg+0xcd/0x170 [ 2892.338434][ T1167] do_syscall_64+0xc6/0x1e0 [ 2892.338434][ T1167] [ 2892.340645][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2892.340645][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2892.340645][ T1167] ipv6_find_idev+0x102/0x170 [ 2892.340645][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2892.340645][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.340645][ T1167] netlink_rcv_skb+0x130/0x360 [ 2892.340645][ T1167] netlink_unicast+0x449/0x710 [ 2892.340645][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2892.340645][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2892.340645][ T1167] ___sys_sendmsg+0xee/0x170 [ 2892.340645][ T1167] __sys_sendmsg+0xcd/0x170 [ 2892.340645][ T1167] do_syscall_64+0xc6/0x1e0 [ 2892.340645][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.340645][ T1167] [ 2892.342378][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2892.342378][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2892.342378][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2892.342378][ T1167] ipv6_find_idev+0x102/0x170 [ 2892.342378][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2892.342378][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.342378][ T1167] netlink_rcv_skb+0x130/0x360 [ 2892.342378][ T1167] netlink_unicast+0x449/0x710 [ 2892.342378][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2892.342378][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2892.342378][ T1167] ___sys_sendmsg+0xee/0x170 [ 2892.342378][ T1167] __sys_sendmsg+0xcd/0x170 [ 2892.342378][ T1167] do_syscall_64+0xc6/0x1e0 [ 2892.342378][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.342378][ T1167] [ 2899.769091][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2899.769466][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2899.769466][ T10] netdev_get_by_index+0x5e/0x80 [ 2899.769466][ T10] fib6_nh_init+0x3d8/0x1580 [ 2899.769466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2899.769466][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2899.769466][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2899.769466][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2899.769466][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2899.769466][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2899.769466][ T10] addrconf_dad_begin+0x310/0x670 [ 2899.769466][ T10] addrconf_dad_work+0x10b/0xab0 [ 2899.769466][ T10] process_one_work+0x84d/0x18a0 [ 2899.769466][ T10] worker_thread+0x587/0xd30 [ 2899.769466][ T10] kthread+0x28a/0x350 [ 2899.769466][ T10] ret_from_fork+0x31/0x70 [ 2899.769466][ T10] ret_from_fork_asm+0x1a/0x30 [ 2899.769466][ T10] [ 2899.771516][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2899.771516][ T10] netdev_get_by_index+0x5e/0x80 [ 2899.771516][ T10] fib6_nh_init+0x3d8/0x1580 [ 2899.771516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2899.771516][ T10] ip6_route_add+0x1c/0x140 [ 2899.771516][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2899.771516][ T10] inet6_addr_add+0x4f8/0xa40 [ 2899.771516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2899.771516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2899.771516][ T10] netlink_rcv_skb+0x130/0x360 [ 2899.771516][ T10] netlink_unicast+0x449/0x710 [ 2899.771516][ T10] netlink_sendmsg+0x723/0xbe0 [ 2899.771516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2899.771516][ T10] ___sys_sendmsg+0xee/0x170 [ 2899.771516][ T10] __sys_sendmsg+0xcd/0x170 [ 2899.771516][ T10] do_syscall_64+0xc6/0x1e0 [ 2899.771516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2899.771516][ T10] [ 2899.773636][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2899.773636][ T10] netdev_get_by_index+0x5e/0x80 [ 2899.773636][ T10] fib6_nh_init+0x3d8/0x1580 [ 2899.773636][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2899.773636][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2899.773636][ T10] ipv6_add_addr+0x411/0x2000 [ 2899.773636][ T10] inet6_addr_add+0x30e/0xa40 [ 2899.773636][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2899.773636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2899.773636][ T10] netlink_rcv_skb+0x130/0x360 [ 2899.773636][ T10] netlink_unicast+0x449/0x710 [ 2899.773636][ T10] netlink_sendmsg+0x723/0xbe0 [ 2899.773636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2899.773636][ T10] ___sys_sendmsg+0xee/0x170 [ 2899.773636][ T10] __sys_sendmsg+0xcd/0x170 [ 2899.773636][ T10] do_syscall_64+0xc6/0x1e0 [ 2899.773636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2899.773636][ T10] [ 2899.775752][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2899.775752][ T10] netdev_get_by_index+0x5e/0x80 [ 2899.775752][ T10] fib6_nh_init+0x3d8/0x1580 [ 2899.775752][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2899.775752][ T10] ip6_route_add+0x1c/0x140 [ 2899.775752][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2899.775752][ T10] addrconf_add_dev+0xe2/0x170 [ 2899.775752][ T10] inet6_addr_add+0x12f/0xa40 [ 2899.775752][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2899.775752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2899.775752][ T10] netlink_rcv_skb+0x130/0x360 [ 2899.775752][ T10] netlink_unicast+0x449/0x710 [ 2899.775752][ T10] netlink_sendmsg+0x723/0xbe0 [ 2899.775752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2899.775752][ T10] ___sys_sendmsg+0xee/0x170 [ 2899.775752][ T10] __sys_sendmsg+0xcd/0x170 [ 2899.775752][ T10] do_syscall_64+0xc6/0x1e0 [ 2899.775752][ T10] [ 2899.777742][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2899.777742][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2899.777742][ T10] ipv6_find_idev+0x102/0x170 [ 2899.777742][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2899.777742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2899.777742][ T10] netlink_rcv_skb+0x130/0x360 [ 2899.777742][ T10] netlink_unicast+0x449/0x710 [ 2899.777742][ T10] netlink_sendmsg+0x723/0xbe0 [ 2899.777742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2899.777742][ T10] ___sys_sendmsg+0xee/0x170 [ 2899.777742][ T10] __sys_sendmsg+0xcd/0x170 [ 2899.777742][ T10] do_syscall_64+0xc6/0x1e0 [ 2899.777742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2899.777742][ T10] [ 2899.779309][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2899.779309][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2899.779309][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2899.779309][ T10] ipv6_find_idev+0x102/0x170 [ 2899.779309][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2899.779309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2899.779309][ T10] netlink_rcv_skb+0x130/0x360 [ 2899.779309][ T10] netlink_unicast+0x449/0x710 [ 2899.779309][ T10] netlink_sendmsg+0x723/0xbe0 [ 2899.779309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2899.779309][ T10] ___sys_sendmsg+0xee/0x170 [ 2899.779309][ T10] __sys_sendmsg+0xcd/0x170 [ 2899.779309][ T10] do_syscall_64+0xc6/0x1e0 [ 2899.779309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2899.779309][ T10] [ 2899.781093][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2899.781361][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2899.781361][ T10] netdev_get_by_index+0x5e/0x80 [ 2899.781361][ T10] fib6_nh_init+0x3d8/0x1580 [ 2899.781361][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2899.781361][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2899.781361][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2899.781361][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2899.781361][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2899.781361][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2899.781361][ T10] addrconf_dad_begin+0x310/0x670 [ 2899.781361][ T10] addrconf_dad_work+0x10b/0xab0 [ 2899.781361][ T10] process_one_work+0x84d/0x18a0 [ 2899.781361][ T10] worker_thread+0x587/0xd30 [ 2899.781361][ T10] kthread+0x28a/0x350 [ 2899.781361][ T10] ret_from_fork+0x31/0x70 [ 2899.781361][ T10] ret_from_fork_asm+0x1a/0x30 [ 2899.781361][ T10] [ 2899.783370][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2899.783370][ T10] netdev_get_by_index+0x5e/0x80 [ 2899.783370][ T10] fib6_nh_init+0x3d8/0x1580 [ 2899.783370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2899.783370][ T10] ip6_route_add+0x1c/0x140 [ 2899.783370][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2899.783370][ T10] inet6_addr_add+0x4f8/0xa40 [ 2899.783370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2899.783370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2899.783370][ T10] netlink_rcv_skb+0x130/0x360 [ 2899.783370][ T10] netlink_unicast+0x449/0x710 [ 2899.783370][ T10] netlink_sendmsg+0x723/0xbe0 [ 2899.783370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2899.783370][ T10] ___sys_sendmsg+0xee/0x170 [ 2899.783370][ T10] __sys_sendmsg+0xcd/0x170 [ 2899.783370][ T10] do_syscall_64+0xc6/0x1e0 [ 2899.783370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2899.783370][ T10] [ 2899.785461][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2899.785461][ T10] netdev_get_by_index+0x5e/0x80 [ 2899.785461][ T10] fib6_nh_init+0x3d8/0x1580 [ 2899.785461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2899.785461][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2899.785461][ T10] ipv6_add_addr+0x411/0x2000 [ 2899.785461][ T10] inet6_addr_add+0x30e/0xa40 [ 2899.785461][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2899.785461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2899.785461][ T10] netlink_rcv_skb+0x130/0x360 [ 2899.785461][ T10] netlink_unicast+0x449/0x710 [ 2899.785461][ T10] netlink_sendmsg+0x723/0xbe0 [ 2899.785461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2899.785461][ T10] ___sys_sendmsg+0xee/0x170 [ 2899.785461][ T10] __sys_sendmsg+0xcd/0x170 [ 2899.785461][ T10] do_syscall_64+0xc6/0x1e0 [ 2899.785461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2899.785461][ T10] [ 2899.787497][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2899.787497][ T10] netdev_get_by_index+0x5e/0x80 [ 2899.787497][ T10] fib6_nh_init+0x3d8/0x1580 [ 2899.787497][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2899.787497][ T10] ip6_route_add+0x1c/0x140 [ 2899.787497][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2899.787497][ T10] addrconf_add_dev+0xe2/0x170 [ 2899.787497][ T10] inet6_addr_add+0x12f/0xa40 [ 2899.787497][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2899.787497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2899.787497][ T10] netlink_rcv_skb+0x130/0x360 [ 2899.787497][ T10] netlink_unicast+0x449/0x710 [ 2899.787497][ T10] netlink_sendmsg+0x723/0xbe0 [ 2899.787497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2899.787497][ T10] ___sys_sendmsg+0xee/0x170 [ 2899.787497][ T10] __sys_sendmsg+0xcd/0x170 [ 2899.787497][ T10] do_syscall_64+0xc6/0x1e0 [ 2899.787497][ T10] [ 2899.789526][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2899.789526][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2899.789526][ T10] ipv6_find_idev+0x102/0x170 [ 2899.789526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2899.789526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2899.789526][ T10] netlink_rcv_skb+0x130/0x360 [ 2899.789526][ T10] netlink_unicast+0x449/0x710 [ 2899.789526][ T10] netlink_sendmsg+0x723/0xbe0 [ 2899.789526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2899.789526][ T10] ___sys_sendmsg+0xee/0x170 [ 2899.789526][ T10] __sys_sendmsg+0xcd/0x170 [ 2899.789526][ T10] do_syscall_64+0xc6/0x1e0 [ 2899.789526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2899.789526][ T10] [ 2899.791080][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2899.791080][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2899.791080][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2899.791080][ T10] ipv6_find_idev+0x102/0x170 [ 2899.791080][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2899.791080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2899.791080][ T10] netlink_rcv_skb+0x130/0x360 [ 2899.791080][ T10] netlink_unicast+0x449/0x710 [ 2899.791080][ T10] netlink_sendmsg+0x723/0xbe0 [ 2899.791080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2899.791080][ T10] ___sys_sendmsg+0xee/0x170 [ 2899.791080][ T10] __sys_sendmsg+0xcd/0x170 [ 2899.791080][ T10] do_syscall_64+0xc6/0x1e0 [ 2899.791080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2899.791080][ T10] [ 2899.792803][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2899.793062][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2899.793062][ T10] netdev_get_by_index+0x5e/0x80 [ 2899.793062][ T10] fib6_nh_init+0x3d8/0x1580 [ 2899.793062][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2899.793062][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2899.793062][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2899.793062][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2899.793062][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2899.793062][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2899.793062][ T10] addrconf_dad_begin+0x310/0x670 [ 2899.793062][ T10] addrconf_dad_work+0x10b/0xab0 [ 2899.793062][ T10] process_one_work+0x84d/0x18a0 [ 2899.793062][ T10] worker_thread+0x587/0xd30 [ 2899.793062][ T10] kthread+0x28a/0x350 [ 2899.793062][ T10] ret_from_fork+0x31/0x70 [ 2899.793062][ T10] ret_from_fork_asm+0x1a/0x30 [ 2899.793062][ T10] [ 2899.795033][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2899.795033][ T10] netdev_get_by_index+0x5e/0x80 [ 2899.795033][ T10] fib6_nh_init+0x3d8/0x1580 [ 2899.795033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2899.795033][ T10] ip6_route_add+0x1c/0x140 [ 2899.795033][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2899.795033][ T10] inet6_addr_add+0x4f8/0xa40 [ 2899.795033][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2899.795033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2899.795033][ T10] netlink_rcv_skb+0x130/0x360 [ 2899.795033][ T10] netlink_unicast+0x449/0x710 [ 2899.795033][ T10] netlink_sendmsg+0x723/0xbe0 [ 2899.795033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2899.795033][ T10] ___sys_sendmsg+0xee/0x170 [ 2899.795033][ T10] __sys_sendmsg+0xcd/0x170 [ 2899.795033][ T10] do_syscall_64+0xc6/0x1e0 [ 2899.795033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2899.795033][ T10] [ 2899.797219][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2899.797219][ T10] netdev_get_by_index+0x5e/0x80 [ 2899.797219][ T10] fib6_nh_init+0x3d8/0x1580 [ 2899.797219][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2899.797219][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2899.797219][ T10] ipv6_add_addr+0x411/0x2000 [ 2899.797219][ T10] inet6_addr_add+0x30e/0xa40 [ 2899.797219][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2899.797219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2899.797219][ T10] netlink_rcv_skb+0x130/0x360 [ 2899.797219][ T10] netlink_unicast+0x449/0x710 [ 2899.797219][ T10] netlink_sendmsg+0x723/0xbe0 [ 2899.797219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2899.797219][ T10] ___sys_sendmsg+0xee/0x170 [ 2899.797219][ T10] __sys_sendmsg+0xcd/0x170 [ 2899.797219][ T10] do_syscall_64+0xc6/0x1e0 [ 2899.797219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2899.797219][ T10] [ 2899.799617][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2899.799617][ T10] netdev_get_by_index+0x5e/0x80 [ 2899.799617][ T10] fib6_nh_init+0x3d8/0x1580 [ 2899.799617][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2899.799617][ T10] ip6_route_add+0x1c/0x140 [ 2899.799617][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2899.799617][ T10] addrconf_add_dev+0xe2/0x170 [ 2899.799617][ T10] inet6_addr_add+0x12f/0xa40 [ 2899.799617][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2899.799617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2899.799617][ T10] netlink_rcv_skb+0x130/0x360 [ 2899.799617][ T10] netlink_unicast+0x449/0x710 [ 2899.799617][ T10] netlink_sendmsg+0x723/0xbe0 [ 2899.799617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2899.799617][ T10] ___sys_sendmsg+0xee/0x170 [ 2899.799617][ T10] __sys_sendmsg+0xcd/0x170 [ 2899.799617][ T10] do_syscall_64+0xc6/0x1e0 [ 2899.799617][ T10] [ 2899.801953][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2899.801953][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2899.801953][ T10] ipv6_find_idev+0x102/0x170 [ 2899.801953][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2899.801953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2899.801953][ T10] netlink_rcv_skb+0x130/0x360 [ 2899.801953][ T10] netlink_unicast+0x449/0x710 [ 2899.801953][ T10] netlink_sendmsg+0x723/0xbe0 [ 2899.801953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2899.801953][ T10] ___sys_sendmsg+0xee/0x170 [ 2899.801953][ T10] __sys_sendmsg+0xcd/0x170 [ 2899.801953][ T10] do_syscall_64+0xc6/0x1e0 [ 2899.801953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2899.801953][ T10] [ 2899.803798][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2899.803798][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2899.803798][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2899.803798][ T10] ipv6_find_idev+0x102/0x170 [ 2899.803798][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2899.803798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2899.803798][ T10] netlink_rcv_skb+0x130/0x360 [ 2899.803798][ T10] netlink_unicast+0x449/0x710 [ 2899.803798][ T10] netlink_sendmsg+0x723/0xbe0 [ 2899.803798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2899.803798][ T10] ___sys_sendmsg+0xee/0x170 [ 2899.803798][ T10] __sys_sendmsg+0xcd/0x170 [ 2899.803798][ T10] do_syscall_64+0xc6/0x1e0 [ 2899.803798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2899.803798][ T10] [ 2899.805780][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2899.806026][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2899.806026][ T10] netdev_get_by_index+0x5e/0x80 [ 2899.806026][ T10] fib6_nh_init+0x3d8/0x1580 [ 2899.806026][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2899.806026][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2899.806026][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2899.806026][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2899.806026][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2899.806026][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2899.806026][ T10] addrconf_dad_begin+0x310/0x670 [ 2899.806026][ T10] addrconf_dad_work+0x10b/0xab0 [ 2899.806026][ T10] process_one_work+0x84d/0x18a0 [ 2899.806026][ T10] worker_thread+0x587/0xd30 [ 2899.806026][ T10] kthread+0x28a/0x350 [ 2899.806026][ T10] ret_from_fork+0x31/0x70 [ 2899.806026][ T10] ret_from_fork_asm+0x1a/0x30 [ 2899.806026][ T10] [ 2899.808309][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2899.808309][ T10] netdev_get_by_index+0x5e/0x80 [ 2899.808309][ T10] fib6_nh_init+0x3d8/0x1580 [ 2899.808309][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2899.808309][ T10] ip6_route_add+0x1c/0x140 [ 2899.808309][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2899.808309][ T10] inet6_addr_add+0x4f8/0xa40 [ 2899.808309][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2899.808309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2899.808309][ T10] netlink_rcv_skb+0x130/0x360 [ 2899.808309][ T10] netlink_unicast+0x449/0x710 [ 2899.808309][ T10] netlink_sendmsg+0x723/0xbe0 [ 2899.808309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2899.808309][ T10] ___sys_sendmsg+0xee/0x170 [ 2899.808309][ T10] __sys_sendmsg+0xcd/0x170 [ 2899.808309][ T10] do_syscall_64+0xc6/0x1e0 [ 2899.808309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2899.808309][ T10] [ 2899.810712][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2899.810712][ T10] netdev_get_by_index+0x5e/0x80 [ 2899.810712][ T10] fib6_nh_init+0x3d8/0x1580 [ 2899.810712][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2899.810712][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2899.810712][ T10] ipv6_add_addr+0x411/0x2000 [ 2899.810712][ T10] inet6_addr_add+0x30e/0xa40 [ 2899.810712][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2899.810712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2899.810712][ T10] netlink_rcv_skb+0x130/0x360 [ 2899.810712][ T10] netlink_unicast+0x449/0x710 [ 2899.810712][ T10] netlink_sendmsg+0x723/0xbe0 [ 2899.810712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2899.810712][ T10] ___sys_sendmsg+0xee/0x170 [ 2899.810712][ T10] __sys_sendmsg+0xcd/0x170 [ 2899.810712][ T10] do_syscall_64+0xc6/0x1e0 [ 2899.810712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2899.810712][ T10] [ 2899.812977][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2899.812977][ T10] netdev_get_by_index+0x5e/0x80 [ 2899.812977][ T10] fib6_nh_init+0x3d8/0x1580 [ 2899.812977][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2899.812977][ T10] ip6_route_add+0x1c/0x140 [ 2899.812977][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2899.812977][ T10] addrconf_add_dev+0xe2/0x170 [ 2899.812977][ T10] inet6_addr_add+0x12f/0xa40 [ 2899.812977][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2899.812977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2899.812977][ T10] netlink_rcv_skb+0x130/0x360 [ 2899.812977][ T10] netlink_unicast+0x449/0x710 [ 2899.812977][ T10] netlink_sendmsg+0x723/0xbe0 [ 2899.812977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2899.812977][ T10] ___sys_sendmsg+0xee/0x170 [ 2899.812977][ T10] __sys_sendmsg+0xcd/0x170 [ 2899.812977][ T10] do_syscall_64+0xc6/0x1e0 [ 2899.812977][ T10] [ 2899.815180][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2899.815180][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2899.815180][ T10] ipv6_find_idev+0x102/0x170 [ 2899.815180][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2899.815180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2899.815180][ T10] netlink_rcv_skb+0x130/0x360 [ 2899.815180][ T10] netlink_unicast+0x449/0x710 [ 2899.815180][ T10] netlink_sendmsg+0x723/0xbe0 [ 2899.815180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2899.815180][ T10] ___sys_sendmsg+0xee/0x170 [ 2899.815180][ T10] __sys_sendmsg+0xcd/0x170 [ 2899.815180][ T10] do_syscall_64+0xc6/0x1e0 [ 2899.815180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2899.815180][ T10] [ 2899.816930][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2899.816930][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2899.816930][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2899.816930][ T10] ipv6_find_idev+0x102/0x170 [ 2899.816930][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2899.816930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2899.816930][ T10] netlink_rcv_skb+0x130/0x360 [ 2899.816930][ T10] netlink_unicast+0x449/0x710 [ 2899.816930][ T10] netlink_sendmsg+0x723/0xbe0 [ 2899.816930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2899.816930][ T10] ___sys_sendmsg+0xee/0x170 [ 2899.816930][ T10] __sys_sendmsg+0xcd/0x170 [ 2899.816930][ T10] do_syscall_64+0xc6/0x1e0 [ 2899.816930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2899.816930][ T10] [ 2902.585169][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2902.585684][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2902.585684][ T1167] dst_init+0x84/0x4a0 [ 2902.585684][ T1167] dst_alloc+0x97/0x150 [ 2902.585684][ T1167] ip6_dst_alloc+0x23/0x90 [ 2902.585684][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2902.585684][ T1167] ip6_pol_route+0x56f/0x840 [ 2902.585684][ T1167] fib6_rule_lookup+0x334/0x630 [ 2902.585684][ T1167] ip6_route_output_flags+0x259/0x480 [ 2902.585684][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2902.585684][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2902.585684][ T1167] netlink_rcv_skb+0x130/0x360 [ 2902.585684][ T1167] netlink_unicast+0x449/0x710 [ 2902.585684][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2902.585684][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2902.585684][ T1167] ___sys_sendmsg+0xee/0x170 [ 2902.585684][ T1167] __sys_sendmsg+0xcd/0x170 [ 2902.585684][ T1167] do_syscall_64+0xc6/0x1e0 [ 2902.585684][ T1167] [ 2902.587868][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2902.587868][ T1167] netdev_get_by_index+0x5e/0x80 [ 2902.587868][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2902.587868][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2902.587868][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2902.587868][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2902.587868][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2902.587868][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2902.587868][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2902.587868][ T1167] addrconf_dad_begin+0x310/0x670 [ 2902.587868][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2902.587868][ T1167] process_one_work+0x84d/0x18a0 [ 2902.587868][ T1167] worker_thread+0x587/0xd30 [ 2902.587868][ T1167] kthread+0x28a/0x350 [ 2902.587868][ T1167] ret_from_fork+0x31/0x70 [ 2902.587868][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2902.587868][ T1167] [ 2902.590017][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2902.590017][ T1167] netdev_get_by_index+0x5e/0x80 [ 2902.590017][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2902.590017][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2902.590017][ T1167] ip6_route_add+0x1c/0x140 [ 2902.590017][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2902.590017][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2902.590017][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2902.590017][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.590017][ T1167] netlink_rcv_skb+0x130/0x360 [ 2902.590017][ T1167] netlink_unicast+0x449/0x710 [ 2902.590017][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2902.590017][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2902.590017][ T1167] ___sys_sendmsg+0xee/0x170 [ 2902.590017][ T1167] __sys_sendmsg+0xcd/0x170 [ 2902.590017][ T1167] do_syscall_64+0xc6/0x1e0 [ 2902.590017][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.590017][ T1167] [ 2902.592249][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2902.592249][ T1167] netdev_get_by_index+0x5e/0x80 [ 2902.592249][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2902.592249][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2902.592249][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2902.592249][ T1167] ipv6_add_addr+0x411/0x2000 [ 2902.592249][ T1167] inet6_addr_add+0x30e/0xa40 [ 2902.592249][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2902.592249][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.592249][ T1167] netlink_rcv_skb+0x130/0x360 [ 2902.592249][ T1167] netlink_unicast+0x449/0x710 [ 2902.592249][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2902.592249][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2902.592249][ T1167] ___sys_sendmsg+0xee/0x170 [ 2902.592249][ T1167] __sys_sendmsg+0xcd/0x170 [ 2902.592249][ T1167] do_syscall_64+0xc6/0x1e0 [ 2902.592249][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.592249][ T1167] [ 2902.594498][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2902.594498][ T1167] netdev_get_by_index+0x5e/0x80 [ 2902.594498][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2902.594498][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2902.594498][ T1167] ip6_route_add+0x1c/0x140 [ 2902.594498][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2902.594498][ T1167] addrconf_add_dev+0xe2/0x170 [ 2902.594498][ T1167] inet6_addr_add+0x12f/0xa40 [ 2902.594498][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2902.594498][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.594498][ T1167] netlink_rcv_skb+0x130/0x360 [ 2902.594498][ T1167] netlink_unicast+0x449/0x710 [ 2902.594498][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2902.594498][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2902.594498][ T1167] ___sys_sendmsg+0xee/0x170 [ 2902.594498][ T1167] __sys_sendmsg+0xcd/0x170 [ 2902.594498][ T1167] do_syscall_64+0xc6/0x1e0 [ 2902.594498][ T1167] [ 2902.596722][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2902.596722][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2902.596722][ T1167] ipv6_find_idev+0x102/0x170 [ 2902.596722][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2902.596722][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.596722][ T1167] netlink_rcv_skb+0x130/0x360 [ 2902.596722][ T1167] netlink_unicast+0x449/0x710 [ 2902.596722][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2902.596722][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2902.596722][ T1167] ___sys_sendmsg+0xee/0x170 [ 2902.596722][ T1167] __sys_sendmsg+0xcd/0x170 [ 2902.596722][ T1167] do_syscall_64+0xc6/0x1e0 [ 2902.596722][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.596722][ T1167] [ 2902.598448][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2902.598448][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2902.598448][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2902.598448][ T1167] ipv6_find_idev+0x102/0x170 [ 2902.598448][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2902.598448][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.598448][ T1167] netlink_rcv_skb+0x130/0x360 [ 2902.598448][ T1167] netlink_unicast+0x449/0x710 [ 2902.598448][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2902.598448][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2902.598448][ T1167] ___sys_sendmsg+0xee/0x170 [ 2902.598448][ T1167] __sys_sendmsg+0xcd/0x170 [ 2902.598448][ T1167] do_syscall_64+0xc6/0x1e0 [ 2902.598448][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.598448][ T1167] [ 2910.025155][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2910.025501][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2910.025501][ T10] netdev_get_by_index+0x5e/0x80 [ 2910.025501][ T10] fib6_nh_init+0x3d8/0x1580 [ 2910.025501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2910.025501][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2910.025501][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2910.025501][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2910.025501][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2910.025501][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2910.025501][ T10] addrconf_dad_begin+0x310/0x670 [ 2910.025501][ T10] addrconf_dad_work+0x10b/0xab0 [ 2910.025501][ T10] process_one_work+0x84d/0x18a0 [ 2910.025501][ T10] worker_thread+0x587/0xd30 [ 2910.025501][ T10] kthread+0x28a/0x350 [ 2910.025501][ T10] ret_from_fork+0x31/0x70 [ 2910.025501][ T10] ret_from_fork_asm+0x1a/0x30 [ 2910.025501][ T10] [ 2910.027424][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2910.027424][ T10] netdev_get_by_index+0x5e/0x80 [ 2910.027424][ T10] fib6_nh_init+0x3d8/0x1580 [ 2910.027424][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2910.027424][ T10] ip6_route_add+0x1c/0x140 [ 2910.027424][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2910.027424][ T10] inet6_addr_add+0x4f8/0xa40 [ 2910.027424][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2910.027424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2910.027424][ T10] netlink_rcv_skb+0x130/0x360 [ 2910.027424][ T10] netlink_unicast+0x449/0x710 [ 2910.027424][ T10] netlink_sendmsg+0x723/0xbe0 [ 2910.027424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2910.027424][ T10] ___sys_sendmsg+0xee/0x170 [ 2910.027424][ T10] __sys_sendmsg+0xcd/0x170 [ 2910.027424][ T10] do_syscall_64+0xc6/0x1e0 [ 2910.027424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2910.027424][ T10] [ 2910.029403][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2910.029403][ T10] netdev_get_by_index+0x5e/0x80 [ 2910.029403][ T10] fib6_nh_init+0x3d8/0x1580 [ 2910.029403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2910.029403][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2910.029403][ T10] ipv6_add_addr+0x411/0x2000 [ 2910.029403][ T10] inet6_addr_add+0x30e/0xa40 [ 2910.029403][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2910.029403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2910.029403][ T10] netlink_rcv_skb+0x130/0x360 [ 2910.029403][ T10] netlink_unicast+0x449/0x710 [ 2910.029403][ T10] netlink_sendmsg+0x723/0xbe0 [ 2910.029403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2910.029403][ T10] ___sys_sendmsg+0xee/0x170 [ 2910.029403][ T10] __sys_sendmsg+0xcd/0x170 [ 2910.029403][ T10] do_syscall_64+0xc6/0x1e0 [ 2910.029403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2910.029403][ T10] [ 2910.031386][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2910.031386][ T10] netdev_get_by_index+0x5e/0x80 [ 2910.031386][ T10] fib6_nh_init+0x3d8/0x1580 [ 2910.031386][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2910.031386][ T10] ip6_route_add+0x1c/0x140 [ 2910.031386][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2910.031386][ T10] addrconf_add_dev+0xe2/0x170 [ 2910.031386][ T10] inet6_addr_add+0x12f/0xa40 [ 2910.031386][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2910.031386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2910.031386][ T10] netlink_rcv_skb+0x130/0x360 [ 2910.031386][ T10] netlink_unicast+0x449/0x710 [ 2910.031386][ T10] netlink_sendmsg+0x723/0xbe0 [ 2910.031386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2910.031386][ T10] ___sys_sendmsg+0xee/0x170 [ 2910.031386][ T10] __sys_sendmsg+0xcd/0x170 [ 2910.031386][ T10] do_syscall_64+0xc6/0x1e0 [ 2910.031386][ T10] [ 2910.033332][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2910.033332][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2910.033332][ T10] ipv6_find_idev+0x102/0x170 [ 2910.033332][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2910.033332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2910.033332][ T10] netlink_rcv_skb+0x130/0x360 [ 2910.033332][ T10] netlink_unicast+0x449/0x710 [ 2910.033332][ T10] netlink_sendmsg+0x723/0xbe0 [ 2910.033332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2910.033332][ T10] ___sys_sendmsg+0xee/0x170 [ 2910.033332][ T10] __sys_sendmsg+0xcd/0x170 [ 2910.033332][ T10] do_syscall_64+0xc6/0x1e0 [ 2910.033332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2910.033332][ T10] [ 2910.034869][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2910.034869][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2910.034869][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2910.034869][ T10] ipv6_find_idev+0x102/0x170 [ 2910.034869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2910.034869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2910.034869][ T10] netlink_rcv_skb+0x130/0x360 [ 2910.034869][ T10] netlink_unicast+0x449/0x710 [ 2910.034869][ T10] netlink_sendmsg+0x723/0xbe0 [ 2910.034869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2910.034869][ T10] ___sys_sendmsg+0xee/0x170 [ 2910.034869][ T10] __sys_sendmsg+0xcd/0x170 [ 2910.034869][ T10] do_syscall_64+0xc6/0x1e0 [ 2910.034869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2910.034869][ T10] [ 2910.036575][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2910.036821][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2910.036821][ T10] netdev_get_by_index+0x5e/0x80 [ 2910.036821][ T10] fib6_nh_init+0x3d8/0x1580 [ 2910.036821][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2910.036821][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2910.036821][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2910.036821][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2910.036821][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2910.036821][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2910.036821][ T10] addrconf_dad_begin+0x310/0x670 [ 2910.036821][ T10] addrconf_dad_work+0x10b/0xab0 [ 2910.036821][ T10] process_one_work+0x84d/0x18a0 [ 2910.036821][ T10] worker_thread+0x587/0xd30 [ 2910.036821][ T10] kthread+0x28a/0x350 [ 2910.036821][ T10] ret_from_fork+0x31/0x70 [ 2910.036821][ T10] ret_from_fork_asm+0x1a/0x30 [ 2910.036821][ T10] [ 2910.038725][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2910.038725][ T10] netdev_get_by_index+0x5e/0x80 [ 2910.038725][ T10] fib6_nh_init+0x3d8/0x1580 [ 2910.038725][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2910.038725][ T10] ip6_route_add+0x1c/0x140 [ 2910.038725][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2910.038725][ T10] inet6_addr_add+0x4f8/0xa40 [ 2910.038725][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2910.038725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2910.038725][ T10] netlink_rcv_skb+0x130/0x360 [ 2910.038725][ T10] netlink_unicast+0x449/0x710 [ 2910.038725][ T10] netlink_sendmsg+0x723/0xbe0 [ 2910.038725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2910.038725][ T10] ___sys_sendmsg+0xee/0x170 [ 2910.038725][ T10] __sys_sendmsg+0xcd/0x170 [ 2910.038725][ T10] do_syscall_64+0xc6/0x1e0 [ 2910.038725][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2910.038725][ T10] [ 2910.040712][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2910.040712][ T10] netdev_get_by_index+0x5e/0x80 [ 2910.040712][ T10] fib6_nh_init+0x3d8/0x1580 [ 2910.040712][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2910.040712][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2910.040712][ T10] ipv6_add_addr+0x411/0x2000 [ 2910.040712][ T10] inet6_addr_add+0x30e/0xa40 [ 2910.040712][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2910.040712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2910.040712][ T10] netlink_rcv_skb+0x130/0x360 [ 2910.040712][ T10] netlink_unicast+0x449/0x710 [ 2910.040712][ T10] netlink_sendmsg+0x723/0xbe0 [ 2910.040712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2910.040712][ T10] ___sys_sendmsg+0xee/0x170 [ 2910.040712][ T10] __sys_sendmsg+0xcd/0x170 [ 2910.040712][ T10] do_syscall_64+0xc6/0x1e0 [ 2910.040712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2910.040712][ T10] [ 2910.042686][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2910.042686][ T10] netdev_get_by_index+0x5e/0x80 [ 2910.042686][ T10] fib6_nh_init+0x3d8/0x1580 [ 2910.042686][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2910.042686][ T10] ip6_route_add+0x1c/0x140 [ 2910.042686][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2910.042686][ T10] addrconf_add_dev+0xe2/0x170 [ 2910.042686][ T10] inet6_addr_add+0x12f/0xa40 [ 2910.042686][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2910.042686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2910.042686][ T10] netlink_rcv_skb+0x130/0x360 [ 2910.042686][ T10] netlink_unicast+0x449/0x710 [ 2910.042686][ T10] netlink_sendmsg+0x723/0xbe0 [ 2910.042686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2910.042686][ T10] ___sys_sendmsg+0xee/0x170 [ 2910.042686][ T10] __sys_sendmsg+0xcd/0x170 [ 2910.042686][ T10] do_syscall_64+0xc6/0x1e0 [ 2910.042686][ T10] [ 2910.044752][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2910.044752][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2910.044752][ T10] ipv6_find_idev+0x102/0x170 [ 2910.044752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2910.044752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2910.044752][ T10] netlink_rcv_skb+0x130/0x360 [ 2910.044752][ T10] netlink_unicast+0x449/0x710 [ 2910.044752][ T10] netlink_sendmsg+0x723/0xbe0 [ 2910.044752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2910.044752][ T10] ___sys_sendmsg+0xee/0x170 [ 2910.044752][ T10] __sys_sendmsg+0xcd/0x170 [ 2910.044752][ T10] do_syscall_64+0xc6/0x1e0 [ 2910.044752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2910.044752][ T10] [ 2910.046277][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2910.046277][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2910.046277][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2910.046277][ T10] ipv6_find_idev+0x102/0x170 [ 2910.046277][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2910.046277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2910.046277][ T10] netlink_rcv_skb+0x130/0x360 [ 2910.046277][ T10] netlink_unicast+0x449/0x710 [ 2910.046277][ T10] netlink_sendmsg+0x723/0xbe0 [ 2910.046277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2910.046277][ T10] ___sys_sendmsg+0xee/0x170 [ 2910.046277][ T10] __sys_sendmsg+0xcd/0x170 [ 2910.046277][ T10] do_syscall_64+0xc6/0x1e0 [ 2910.046277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2910.046277][ T10] [ 2910.047929][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2910.048182][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2910.048182][ T10] netdev_get_by_index+0x5e/0x80 [ 2910.048182][ T10] fib6_nh_init+0x3d8/0x1580 [ 2910.048182][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2910.048182][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2910.048182][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2910.048182][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2910.048182][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2910.048182][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2910.048182][ T10] addrconf_dad_begin+0x310/0x670 [ 2910.048182][ T10] addrconf_dad_work+0x10b/0xab0 [ 2910.048182][ T10] process_one_work+0x84d/0x18a0 [ 2910.048182][ T10] worker_thread+0x587/0xd30 [ 2910.048182][ T10] kthread+0x28a/0x350 [ 2910.048182][ T10] ret_from_fork+0x31/0x70 [ 2910.048182][ T10] ret_from_fork_asm+0x1a/0x30 [ 2910.048182][ T10] [ 2910.050073][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2910.050073][ T10] netdev_get_by_index+0x5e/0x80 [ 2910.050073][ T10] fib6_nh_init+0x3d8/0x1580 [ 2910.050073][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2910.050073][ T10] ip6_route_add+0x1c/0x140 [ 2910.050073][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2910.050073][ T10] inet6_addr_add+0x4f8/0xa40 [ 2910.050073][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2910.050073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2910.050073][ T10] netlink_rcv_skb+0x130/0x360 [ 2910.050073][ T10] netlink_unicast+0x449/0x710 [ 2910.050073][ T10] netlink_sendmsg+0x723/0xbe0 [ 2910.050073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2910.050073][ T10] ___sys_sendmsg+0xee/0x170 [ 2910.050073][ T10] __sys_sendmsg+0xcd/0x170 [ 2910.050073][ T10] do_syscall_64+0xc6/0x1e0 [ 2910.050073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2910.050073][ T10] [ 2910.052238][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2910.052238][ T10] netdev_get_by_index+0x5e/0x80 [ 2910.052238][ T10] fib6_nh_init+0x3d8/0x1580 [ 2910.052238][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2910.052238][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2910.052238][ T10] ipv6_add_addr+0x411/0x2000 [ 2910.052238][ T10] inet6_addr_add+0x30e/0xa40 [ 2910.052238][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2910.052238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2910.052238][ T10] netlink_rcv_skb+0x130/0x360 [ 2910.052238][ T10] netlink_unicast+0x449/0x710 [ 2910.052238][ T10] netlink_sendmsg+0x723/0xbe0 [ 2910.052238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2910.052238][ T10] ___sys_sendmsg+0xee/0x170 [ 2910.052238][ T10] __sys_sendmsg+0xcd/0x170 [ 2910.052238][ T10] do_syscall_64+0xc6/0x1e0 [ 2910.052238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2910.052238][ T10] [ 2910.054402][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2910.054402][ T10] netdev_get_by_index+0x5e/0x80 [ 2910.054402][ T10] fib6_nh_init+0x3d8/0x1580 [ 2910.054402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2910.054402][ T10] ip6_route_add+0x1c/0x140 [ 2910.054402][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2910.054402][ T10] addrconf_add_dev+0xe2/0x170 [ 2910.054402][ T10] inet6_addr_add+0x12f/0xa40 [ 2910.054402][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2910.054402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2910.054402][ T10] netlink_rcv_skb+0x130/0x360 [ 2910.054402][ T10] netlink_unicast+0x449/0x710 [ 2910.054402][ T10] netlink_sendmsg+0x723/0xbe0 [ 2910.054402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2910.054402][ T10] ___sys_sendmsg+0xee/0x170 [ 2910.054402][ T10] __sys_sendmsg+0xcd/0x170 [ 2910.054402][ T10] do_syscall_64+0xc6/0x1e0 [ 2910.054402][ T10] [ 2910.056528][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2910.056528][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2910.056528][ T10] ipv6_find_idev+0x102/0x170 [ 2910.056528][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2910.056528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2910.056528][ T10] netlink_rcv_skb+0x130/0x360 [ 2910.056528][ T10] netlink_unicast+0x449/0x710 [ 2910.056528][ T10] netlink_sendmsg+0x723/0xbe0 [ 2910.056528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2910.056528][ T10] ___sys_sendmsg+0xee/0x170 [ 2910.056528][ T10] __sys_sendmsg+0xcd/0x170 [ 2910.056528][ T10] do_syscall_64+0xc6/0x1e0 [ 2910.056528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2910.056528][ T10] [ 2910.058168][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2910.058168][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2910.058168][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2910.058168][ T10] ipv6_find_idev+0x102/0x170 [ 2910.058168][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2910.058168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2910.058168][ T10] netlink_rcv_skb+0x130/0x360 [ 2910.058168][ T10] netlink_unicast+0x449/0x710 [ 2910.058168][ T10] netlink_sendmsg+0x723/0xbe0 [ 2910.058168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2910.058168][ T10] ___sys_sendmsg+0xee/0x170 [ 2910.058168][ T10] __sys_sendmsg+0xcd/0x170 [ 2910.058168][ T10] do_syscall_64+0xc6/0x1e0 [ 2910.058168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2910.058168][ T10] [ 2910.060072][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2910.060313][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2910.060313][ T10] netdev_get_by_index+0x5e/0x80 [ 2910.060313][ T10] fib6_nh_init+0x3d8/0x1580 [ 2910.060313][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2910.060313][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2910.060313][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2910.060313][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2910.060313][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2910.060313][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2910.060313][ T10] addrconf_dad_begin+0x310/0x670 [ 2910.060313][ T10] addrconf_dad_work+0x10b/0xab0 [ 2910.060313][ T10] process_one_work+0x84d/0x18a0 [ 2910.060313][ T10] worker_thread+0x587/0xd30 [ 2910.060313][ T10] kthread+0x28a/0x350 [ 2910.060313][ T10] ret_from_fork+0x31/0x70 [ 2910.060313][ T10] ret_from_fork_asm+0x1a/0x30 [ 2910.060313][ T10] [ 2910.062494][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2910.062494][ T10] netdev_get_by_index+0x5e/0x80 [ 2910.062494][ T10] fib6_nh_init+0x3d8/0x1580 [ 2910.062494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2910.062494][ T10] ip6_route_add+0x1c/0x140 [ 2910.062494][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2910.062494][ T10] inet6_addr_add+0x4f8/0xa40 [ 2910.062494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2910.062494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2910.062494][ T10] netlink_rcv_skb+0x130/0x360 [ 2910.062494][ T10] netlink_unicast+0x449/0x710 [ 2910.062494][ T10] netlink_sendmsg+0x723/0xbe0 [ 2910.062494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2910.062494][ T10] ___sys_sendmsg+0xee/0x170 [ 2910.062494][ T10] __sys_sendmsg+0xcd/0x170 [ 2910.062494][ T10] do_syscall_64+0xc6/0x1e0 [ 2910.062494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2910.062494][ T10] [ 2910.064665][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2910.064665][ T10] netdev_get_by_index+0x5e/0x80 [ 2910.064665][ T10] fib6_nh_init+0x3d8/0x1580 [ 2910.064665][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2910.064665][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2910.064665][ T10] ipv6_add_addr+0x411/0x2000 [ 2910.064665][ T10] inet6_addr_add+0x30e/0xa40 [ 2910.064665][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2910.064665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2910.064665][ T10] netlink_rcv_skb+0x130/0x360 [ 2910.064665][ T10] netlink_unicast+0x449/0x710 [ 2910.064665][ T10] netlink_sendmsg+0x723/0xbe0 [ 2910.064665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2910.064665][ T10] ___sys_sendmsg+0xee/0x170 [ 2910.064665][ T10] __sys_sendmsg+0xcd/0x170 [ 2910.064665][ T10] do_syscall_64+0xc6/0x1e0 [ 2910.064665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2910.064665][ T10] [ 2910.066889][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2910.066889][ T10] netdev_get_by_index+0x5e/0x80 [ 2910.066889][ T10] fib6_nh_init+0x3d8/0x1580 [ 2910.066889][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2910.066889][ T10] ip6_route_add+0x1c/0x140 [ 2910.066889][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2910.066889][ T10] addrconf_add_dev+0xe2/0x170 [ 2910.066889][ T10] inet6_addr_add+0x12f/0xa40 [ 2910.066889][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2910.066889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2910.066889][ T10] netlink_rcv_skb+0x130/0x360 [ 2910.066889][ T10] netlink_unicast+0x449/0x710 [ 2910.066889][ T10] netlink_sendmsg+0x723/0xbe0 [ 2910.066889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2910.066889][ T10] ___sys_sendmsg+0xee/0x170 [ 2910.066889][ T10] __sys_sendmsg+0xcd/0x170 [ 2910.066889][ T10] do_syscall_64+0xc6/0x1e0 [ 2910.066889][ T10] [ 2910.069090][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2910.069090][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2910.069090][ T10] ipv6_find_idev+0x102/0x170 [ 2910.069090][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2910.069090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2910.069090][ T10] netlink_rcv_skb+0x130/0x360 [ 2910.069090][ T10] netlink_unicast+0x449/0x710 [ 2910.069090][ T10] netlink_sendmsg+0x723/0xbe0 [ 2910.069090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2910.069090][ T10] ___sys_sendmsg+0xee/0x170 [ 2910.069090][ T10] __sys_sendmsg+0xcd/0x170 [ 2910.069090][ T10] do_syscall_64+0xc6/0x1e0 [ 2910.069090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2910.069090][ T10] [ 2910.070803][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2910.070803][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2910.070803][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2910.070803][ T10] ipv6_find_idev+0x102/0x170 [ 2910.070803][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2910.070803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2910.070803][ T10] netlink_rcv_skb+0x130/0x360 [ 2910.070803][ T10] netlink_unicast+0x449/0x710 [ 2910.070803][ T10] netlink_sendmsg+0x723/0xbe0 [ 2910.070803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2910.070803][ T10] ___sys_sendmsg+0xee/0x170 [ 2910.070803][ T10] __sys_sendmsg+0xcd/0x170 [ 2910.070803][ T10] do_syscall_64+0xc6/0x1e0 [ 2910.070803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2910.070803][ T10] [ 2912.841084][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2912.841565][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2912.841565][ T1167] dst_init+0x84/0x4a0 [ 2912.841565][ T1167] dst_alloc+0x97/0x150 [ 2912.841565][ T1167] ip6_dst_alloc+0x23/0x90 [ 2912.841565][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2912.841565][ T1167] ip6_pol_route+0x56f/0x840 [ 2912.841565][ T1167] fib6_rule_lookup+0x334/0x630 [ 2912.841565][ T1167] ip6_route_output_flags+0x259/0x480 [ 2912.841565][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2912.841565][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2912.841565][ T1167] netlink_rcv_skb+0x130/0x360 [ 2912.841565][ T1167] netlink_unicast+0x449/0x710 [ 2912.841565][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2912.841565][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2912.841565][ T1167] ___sys_sendmsg+0xee/0x170 [ 2912.841565][ T1167] __sys_sendmsg+0xcd/0x170 [ 2912.841565][ T1167] do_syscall_64+0xc6/0x1e0 [ 2912.841565][ T1167] [ 2912.843753][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2912.843753][ T1167] netdev_get_by_index+0x5e/0x80 [ 2912.843753][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2912.843753][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2912.843753][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2912.843753][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2912.843753][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2912.843753][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2912.843753][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2912.843753][ T1167] addrconf_dad_begin+0x310/0x670 [ 2912.843753][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2912.843753][ T1167] process_one_work+0x84d/0x18a0 [ 2912.843753][ T1167] worker_thread+0x587/0xd30 [ 2912.843753][ T1167] kthread+0x28a/0x350 [ 2912.843753][ T1167] ret_from_fork+0x31/0x70 [ 2912.843753][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2912.843753][ T1167] [ 2912.845901][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2912.845901][ T1167] netdev_get_by_index+0x5e/0x80 [ 2912.845901][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2912.845901][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2912.845901][ T1167] ip6_route_add+0x1c/0x140 [ 2912.845901][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2912.845901][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2912.845901][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2912.845901][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.845901][ T1167] netlink_rcv_skb+0x130/0x360 [ 2912.845901][ T1167] netlink_unicast+0x449/0x710 [ 2912.845901][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2912.845901][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2912.845901][ T1167] ___sys_sendmsg+0xee/0x170 [ 2912.845901][ T1167] __sys_sendmsg+0xcd/0x170 [ 2912.845901][ T1167] do_syscall_64+0xc6/0x1e0 [ 2912.845901][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2912.845901][ T1167] [ 2912.848136][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2912.848136][ T1167] netdev_get_by_index+0x5e/0x80 [ 2912.848136][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2912.848136][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2912.848136][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2912.848136][ T1167] ipv6_add_addr+0x411/0x2000 [ 2912.848136][ T1167] inet6_addr_add+0x30e/0xa40 [ 2912.848136][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2912.848136][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.848136][ T1167] netlink_rcv_skb+0x130/0x360 [ 2912.848136][ T1167] netlink_unicast+0x449/0x710 [ 2912.848136][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2912.848136][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2912.848136][ T1167] ___sys_sendmsg+0xee/0x170 [ 2912.848136][ T1167] __sys_sendmsg+0xcd/0x170 [ 2912.848136][ T1167] do_syscall_64+0xc6/0x1e0 [ 2912.848136][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2912.848136][ T1167] [ 2912.850396][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2912.850396][ T1167] netdev_get_by_index+0x5e/0x80 [ 2912.850396][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2912.850396][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2912.850396][ T1167] ip6_route_add+0x1c/0x140 [ 2912.850396][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2912.850396][ T1167] addrconf_add_dev+0xe2/0x170 [ 2912.850396][ T1167] inet6_addr_add+0x12f/0xa40 [ 2912.850396][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2912.850396][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.850396][ T1167] netlink_rcv_skb+0x130/0x360 [ 2912.850396][ T1167] netlink_unicast+0x449/0x710 [ 2912.850396][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2912.850396][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2912.850396][ T1167] ___sys_sendmsg+0xee/0x170 [ 2912.850396][ T1167] __sys_sendmsg+0xcd/0x170 [ 2912.850396][ T1167] do_syscall_64+0xc6/0x1e0 [ 2912.850396][ T1167] [ 2912.852592][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2912.852592][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2912.852592][ T1167] ipv6_find_idev+0x102/0x170 [ 2912.852592][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2912.852592][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.852592][ T1167] netlink_rcv_skb+0x130/0x360 [ 2912.852592][ T1167] netlink_unicast+0x449/0x710 [ 2912.852592][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2912.852592][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2912.852592][ T1167] ___sys_sendmsg+0xee/0x170 [ 2912.852592][ T1167] __sys_sendmsg+0xcd/0x170 [ 2912.852592][ T1167] do_syscall_64+0xc6/0x1e0 [ 2912.852592][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2912.852592][ T1167] [ 2912.854310][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2912.854310][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2912.854310][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2912.854310][ T1167] ipv6_find_idev+0x102/0x170 [ 2912.854310][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2912.854310][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.854310][ T1167] netlink_rcv_skb+0x130/0x360 [ 2912.854310][ T1167] netlink_unicast+0x449/0x710 [ 2912.854310][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2912.854310][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2912.854310][ T1167] ___sys_sendmsg+0xee/0x170 [ 2912.854310][ T1167] __sys_sendmsg+0xcd/0x170 [ 2912.854310][ T1167] do_syscall_64+0xc6/0x1e0 [ 2912.854310][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2912.854310][ T1167] [ 2920.313172][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2920.313544][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2920.313544][ T10] netdev_get_by_index+0x5e/0x80 [ 2920.313544][ T10] fib6_nh_init+0x3d8/0x1580 [ 2920.313544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2920.313544][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2920.313544][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2920.313544][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2920.313544][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2920.313544][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2920.313544][ T10] addrconf_dad_begin+0x310/0x670 [ 2920.313544][ T10] addrconf_dad_work+0x10b/0xab0 [ 2920.313544][ T10] process_one_work+0x84d/0x18a0 [ 2920.313544][ T10] worker_thread+0x587/0xd30 [ 2920.313544][ T10] kthread+0x28a/0x350 [ 2920.313544][ T10] ret_from_fork+0x31/0x70 [ 2920.313544][ T10] ret_from_fork_asm+0x1a/0x30 [ 2920.313544][ T10] [ 2920.315469][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2920.315469][ T10] netdev_get_by_index+0x5e/0x80 [ 2920.315469][ T10] fib6_nh_init+0x3d8/0x1580 [ 2920.315469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2920.315469][ T10] ip6_route_add+0x1c/0x140 [ 2920.315469][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2920.315469][ T10] inet6_addr_add+0x4f8/0xa40 [ 2920.315469][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2920.315469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2920.315469][ T10] netlink_rcv_skb+0x130/0x360 [ 2920.315469][ T10] netlink_unicast+0x449/0x710 [ 2920.315469][ T10] netlink_sendmsg+0x723/0xbe0 [ 2920.315469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2920.315469][ T10] ___sys_sendmsg+0xee/0x170 [ 2920.315469][ T10] __sys_sendmsg+0xcd/0x170 [ 2920.315469][ T10] do_syscall_64+0xc6/0x1e0 [ 2920.315469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2920.315469][ T10] [ 2920.317502][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2920.317502][ T10] netdev_get_by_index+0x5e/0x80 [ 2920.317502][ T10] fib6_nh_init+0x3d8/0x1580 [ 2920.317502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2920.317502][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2920.317502][ T10] ipv6_add_addr+0x411/0x2000 [ 2920.317502][ T10] inet6_addr_add+0x30e/0xa40 [ 2920.317502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2920.317502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2920.317502][ T10] netlink_rcv_skb+0x130/0x360 [ 2920.317502][ T10] netlink_unicast+0x449/0x710 [ 2920.317502][ T10] netlink_sendmsg+0x723/0xbe0 [ 2920.317502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2920.317502][ T10] ___sys_sendmsg+0xee/0x170 [ 2920.317502][ T10] __sys_sendmsg+0xcd/0x170 [ 2920.317502][ T10] do_syscall_64+0xc6/0x1e0 [ 2920.317502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2920.317502][ T10] [ 2920.319486][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2920.319486][ T10] netdev_get_by_index+0x5e/0x80 [ 2920.319486][ T10] fib6_nh_init+0x3d8/0x1580 [ 2920.319486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2920.319486][ T10] ip6_route_add+0x1c/0x140 [ 2920.319486][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2920.319486][ T10] addrconf_add_dev+0xe2/0x170 [ 2920.319486][ T10] inet6_addr_add+0x12f/0xa40 [ 2920.319486][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2920.319486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2920.319486][ T10] netlink_rcv_skb+0x130/0x360 [ 2920.319486][ T10] netlink_unicast+0x449/0x710 [ 2920.319486][ T10] netlink_sendmsg+0x723/0xbe0 [ 2920.319486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2920.319486][ T10] ___sys_sendmsg+0xee/0x170 [ 2920.319486][ T10] __sys_sendmsg+0xcd/0x170 [ 2920.319486][ T10] do_syscall_64+0xc6/0x1e0 [ 2920.319486][ T10] [ 2920.321439][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2920.321439][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2920.321439][ T10] ipv6_find_idev+0x102/0x170 [ 2920.321439][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2920.321439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2920.321439][ T10] netlink_rcv_skb+0x130/0x360 [ 2920.321439][ T10] netlink_unicast+0x449/0x710 [ 2920.321439][ T10] netlink_sendmsg+0x723/0xbe0 [ 2920.321439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2920.321439][ T10] ___sys_sendmsg+0xee/0x170 [ 2920.321439][ T10] __sys_sendmsg+0xcd/0x170 [ 2920.321439][ T10] do_syscall_64+0xc6/0x1e0 [ 2920.321439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2920.321439][ T10] [ 2920.322960][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2920.322960][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2920.322960][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2920.322960][ T10] ipv6_find_idev+0x102/0x170 [ 2920.322960][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2920.322960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2920.322960][ T10] netlink_rcv_skb+0x130/0x360 [ 2920.322960][ T10] netlink_unicast+0x449/0x710 [ 2920.322960][ T10] netlink_sendmsg+0x723/0xbe0 [ 2920.322960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2920.322960][ T10] ___sys_sendmsg+0xee/0x170 [ 2920.322960][ T10] __sys_sendmsg+0xcd/0x170 [ 2920.322960][ T10] do_syscall_64+0xc6/0x1e0 [ 2920.322960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2920.322960][ T10] [ 2920.324643][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2920.324884][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2920.324884][ T10] netdev_get_by_index+0x5e/0x80 [ 2920.324884][ T10] fib6_nh_init+0x3d8/0x1580 [ 2920.324884][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2920.324884][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2920.324884][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2920.324884][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2920.324884][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2920.324884][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2920.324884][ T10] addrconf_dad_begin+0x310/0x670 [ 2920.324884][ T10] addrconf_dad_work+0x10b/0xab0 [ 2920.324884][ T10] process_one_work+0x84d/0x18a0 [ 2920.324884][ T10] worker_thread+0x587/0xd30 [ 2920.324884][ T10] kthread+0x28a/0x350 [ 2920.324884][ T10] ret_from_fork+0x31/0x70 [ 2920.324884][ T10] ret_from_fork_asm+0x1a/0x30 [ 2920.324884][ T10] [ 2920.326777][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2920.326777][ T10] netdev_get_by_index+0x5e/0x80 [ 2920.326777][ T10] fib6_nh_init+0x3d8/0x1580 [ 2920.326777][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2920.326777][ T10] ip6_route_add+0x1c/0x140 [ 2920.326777][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2920.326777][ T10] inet6_addr_add+0x4f8/0xa40 [ 2920.326777][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2920.326777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2920.326777][ T10] netlink_rcv_skb+0x130/0x360 [ 2920.326777][ T10] netlink_unicast+0x449/0x710 [ 2920.326777][ T10] netlink_sendmsg+0x723/0xbe0 [ 2920.326777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2920.326777][ T10] ___sys_sendmsg+0xee/0x170 [ 2920.326777][ T10] __sys_sendmsg+0xcd/0x170 [ 2920.326777][ T10] do_syscall_64+0xc6/0x1e0 [ 2920.326777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2920.326777][ T10] [ 2920.328750][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2920.328750][ T10] netdev_get_by_index+0x5e/0x80 [ 2920.328750][ T10] fib6_nh_init+0x3d8/0x1580 [ 2920.328750][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2920.328750][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2920.328750][ T10] ipv6_add_addr+0x411/0x2000 [ 2920.328750][ T10] inet6_addr_add+0x30e/0xa40 [ 2920.328750][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2920.328750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2920.328750][ T10] netlink_rcv_skb+0x130/0x360 [ 2920.328750][ T10] netlink_unicast+0x449/0x710 [ 2920.328750][ T10] netlink_sendmsg+0x723/0xbe0 [ 2920.328750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2920.328750][ T10] ___sys_sendmsg+0xee/0x170 [ 2920.328750][ T10] __sys_sendmsg+0xcd/0x170 [ 2920.328750][ T10] do_syscall_64+0xc6/0x1e0 [ 2920.328750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2920.328750][ T10] [ 2920.330730][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2920.330730][ T10] netdev_get_by_index+0x5e/0x80 [ 2920.330730][ T10] fib6_nh_init+0x3d8/0x1580 [ 2920.330730][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2920.330730][ T10] ip6_route_add+0x1c/0x140 [ 2920.330730][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2920.330730][ T10] addrconf_add_dev+0xe2/0x170 [ 2920.330730][ T10] inet6_addr_add+0x12f/0xa40 [ 2920.330730][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2920.330730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2920.330730][ T10] netlink_rcv_skb+0x130/0x360 [ 2920.330730][ T10] netlink_unicast+0x449/0x710 [ 2920.330730][ T10] netlink_sendmsg+0x723/0xbe0 [ 2920.330730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2920.330730][ T10] ___sys_sendmsg+0xee/0x170 [ 2920.330730][ T10] __sys_sendmsg+0xcd/0x170 [ 2920.330730][ T10] do_syscall_64+0xc6/0x1e0 [ 2920.330730][ T10] [ 2920.332677][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2920.332677][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2920.332677][ T10] ipv6_find_idev+0x102/0x170 [ 2920.332677][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2920.332677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2920.332677][ T10] netlink_rcv_skb+0x130/0x360 [ 2920.332677][ T10] netlink_unicast+0x449/0x710 [ 2920.332677][ T10] netlink_sendmsg+0x723/0xbe0 [ 2920.332677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2920.332677][ T10] ___sys_sendmsg+0xee/0x170 [ 2920.332677][ T10] __sys_sendmsg+0xcd/0x170 [ 2920.332677][ T10] do_syscall_64+0xc6/0x1e0 [ 2920.332677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2920.332677][ T10] [ 2920.335134][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2920.335134][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2920.335134][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2920.335134][ T10] ipv6_find_idev+0x102/0x170 [ 2920.335134][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2920.335134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2920.335134][ T10] netlink_rcv_skb+0x130/0x360 [ 2920.335134][ T10] netlink_unicast+0x449/0x710 [ 2920.335134][ T10] netlink_sendmsg+0x723/0xbe0 [ 2920.335134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2920.335134][ T10] ___sys_sendmsg+0xee/0x170 [ 2920.335134][ T10] __sys_sendmsg+0xcd/0x170 [ 2920.335134][ T10] do_syscall_64+0xc6/0x1e0 [ 2920.335134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2920.335134][ T10] [ 2920.336797][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2920.337037][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2920.337037][ T10] netdev_get_by_index+0x5e/0x80 [ 2920.337037][ T10] fib6_nh_init+0x3d8/0x1580 [ 2920.337037][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2920.337037][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2920.337037][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2920.337037][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2920.337037][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2920.337037][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2920.337037][ T10] addrconf_dad_begin+0x310/0x670 [ 2920.337037][ T10] addrconf_dad_work+0x10b/0xab0 [ 2920.337037][ T10] process_one_work+0x84d/0x18a0 [ 2920.337037][ T10] worker_thread+0x587/0xd30 [ 2920.337037][ T10] kthread+0x28a/0x350 [ 2920.337037][ T10] ret_from_fork+0x31/0x70 [ 2920.337037][ T10] ret_from_fork_asm+0x1a/0x30 [ 2920.337037][ T10] [ 2920.338939][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2920.338939][ T10] netdev_get_by_index+0x5e/0x80 [ 2920.338939][ T10] fib6_nh_init+0x3d8/0x1580 [ 2920.338939][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2920.338939][ T10] ip6_route_add+0x1c/0x140 [ 2920.338939][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2920.338939][ T10] inet6_addr_add+0x4f8/0xa40 [ 2920.338939][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2920.338939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2920.338939][ T10] netlink_rcv_skb+0x130/0x360 [ 2920.338939][ T10] netlink_unicast+0x449/0x710 [ 2920.338939][ T10] netlink_sendmsg+0x723/0xbe0 [ 2920.338939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2920.338939][ T10] ___sys_sendmsg+0xee/0x170 [ 2920.338939][ T10] __sys_sendmsg+0xcd/0x170 [ 2920.338939][ T10] do_syscall_64+0xc6/0x1e0 [ 2920.338939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2920.338939][ T10] [ 2920.341139][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2920.341139][ T10] netdev_get_by_index+0x5e/0x80 [ 2920.341139][ T10] fib6_nh_init+0x3d8/0x1580 [ 2920.341139][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2920.341139][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2920.341139][ T10] ipv6_add_addr+0x411/0x2000 [ 2920.341139][ T10] inet6_addr_add+0x30e/0xa40 [ 2920.341139][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2920.341139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2920.341139][ T10] netlink_rcv_skb+0x130/0x360 [ 2920.341139][ T10] netlink_unicast+0x449/0x710 [ 2920.341139][ T10] netlink_sendmsg+0x723/0xbe0 [ 2920.341139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2920.341139][ T10] ___sys_sendmsg+0xee/0x170 [ 2920.341139][ T10] __sys_sendmsg+0xcd/0x170 [ 2920.341139][ T10] do_syscall_64+0xc6/0x1e0 [ 2920.341139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2920.341139][ T10] [ 2920.343425][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2920.343425][ T10] netdev_get_by_index+0x5e/0x80 [ 2920.343425][ T10] fib6_nh_init+0x3d8/0x1580 [ 2920.343425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2920.343425][ T10] ip6_route_add+0x1c/0x140 [ 2920.343425][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2920.343425][ T10] addrconf_add_dev+0xe2/0x170 [ 2920.343425][ T10] inet6_addr_add+0x12f/0xa40 [ 2920.343425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2920.343425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2920.343425][ T10] netlink_rcv_skb+0x130/0x360 [ 2920.343425][ T10] netlink_unicast+0x449/0x710 [ 2920.343425][ T10] netlink_sendmsg+0x723/0xbe0 [ 2920.343425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2920.343425][ T10] ___sys_sendmsg+0xee/0x170 [ 2920.343425][ T10] __sys_sendmsg+0xcd/0x170 [ 2920.343425][ T10] do_syscall_64+0xc6/0x1e0 [ 2920.343425][ T10] [ 2920.345560][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2920.345560][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2920.345560][ T10] ipv6_find_idev+0x102/0x170 [ 2920.345560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2920.345560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2920.345560][ T10] netlink_rcv_skb+0x130/0x360 [ 2920.345560][ T10] netlink_unicast+0x449/0x710 [ 2920.345560][ T10] netlink_sendmsg+0x723/0xbe0 [ 2920.345560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2920.345560][ T10] ___sys_sendmsg+0xee/0x170 [ 2920.345560][ T10] __sys_sendmsg+0xcd/0x170 [ 2920.345560][ T10] do_syscall_64+0xc6/0x1e0 [ 2920.345560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2920.345560][ T10] [ 2920.347267][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2920.347267][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2920.347267][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2920.347267][ T10] ipv6_find_idev+0x102/0x170 [ 2920.347267][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2920.347267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2920.347267][ T10] netlink_rcv_skb+0x130/0x360 [ 2920.347267][ T10] netlink_unicast+0x449/0x710 [ 2920.347267][ T10] netlink_sendmsg+0x723/0xbe0 [ 2920.347267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2920.347267][ T10] ___sys_sendmsg+0xee/0x170 [ 2920.347267][ T10] __sys_sendmsg+0xcd/0x170 [ 2920.347267][ T10] do_syscall_64+0xc6/0x1e0 [ 2920.347267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2920.347267][ T10] [ 2920.349116][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2920.349350][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2920.349350][ T10] netdev_get_by_index+0x5e/0x80 [ 2920.349350][ T10] fib6_nh_init+0x3d8/0x1580 [ 2920.349350][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2920.349350][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2920.349350][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2920.349350][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2920.349350][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2920.349350][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2920.349350][ T10] addrconf_dad_begin+0x310/0x670 [ 2920.349350][ T10] addrconf_dad_work+0x10b/0xab0 [ 2920.349350][ T10] process_one_work+0x84d/0x18a0 [ 2920.349350][ T10] worker_thread+0x587/0xd30 [ 2920.349350][ T10] kthread+0x28a/0x350 [ 2920.349350][ T10] ret_from_fork+0x31/0x70 [ 2920.349350][ T10] ret_from_fork_asm+0x1a/0x30 [ 2920.349350][ T10] [ 2920.351460][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2920.351460][ T10] netdev_get_by_index+0x5e/0x80 [ 2920.351460][ T10] fib6_nh_init+0x3d8/0x1580 [ 2920.351460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2920.351460][ T10] ip6_route_add+0x1c/0x140 [ 2920.351460][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2920.351460][ T10] inet6_addr_add+0x4f8/0xa40 [ 2920.351460][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2920.351460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2920.351460][ T10] netlink_rcv_skb+0x130/0x360 [ 2920.351460][ T10] netlink_unicast+0x449/0x710 [ 2920.351460][ T10] netlink_sendmsg+0x723/0xbe0 [ 2920.351460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2920.351460][ T10] ___sys_sendmsg+0xee/0x170 [ 2920.351460][ T10] __sys_sendmsg+0xcd/0x170 [ 2920.351460][ T10] do_syscall_64+0xc6/0x1e0 [ 2920.351460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2920.351460][ T10] [ 2920.353616][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2920.353616][ T10] netdev_get_by_index+0x5e/0x80 [ 2920.353616][ T10] fib6_nh_init+0x3d8/0x1580 [ 2920.353616][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2920.353616][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2920.353616][ T10] ipv6_add_addr+0x411/0x2000 [ 2920.353616][ T10] inet6_addr_add+0x30e/0xa40 [ 2920.353616][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2920.353616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2920.353616][ T10] netlink_rcv_skb+0x130/0x360 [ 2920.353616][ T10] netlink_unicast+0x449/0x710 [ 2920.353616][ T10] netlink_sendmsg+0x723/0xbe0 [ 2920.353616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2920.353616][ T10] ___sys_sendmsg+0xee/0x170 [ 2920.353616][ T10] __sys_sendmsg+0xcd/0x170 [ 2920.353616][ T10] do_syscall_64+0xc6/0x1e0 [ 2920.353616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2920.353616][ T10] [ 2920.355846][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2920.355846][ T10] netdev_get_by_index+0x5e/0x80 [ 2920.355846][ T10] fib6_nh_init+0x3d8/0x1580 [ 2920.355846][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2920.355846][ T10] ip6_route_add+0x1c/0x140 [ 2920.355846][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2920.355846][ T10] addrconf_add_dev+0xe2/0x170 [ 2920.355846][ T10] inet6_addr_add+0x12f/0xa40 [ 2920.355846][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2920.355846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2920.355846][ T10] netlink_rcv_skb+0x130/0x360 [ 2920.355846][ T10] netlink_unicast+0x449/0x710 [ 2920.355846][ T10] netlink_sendmsg+0x723/0xbe0 [ 2920.355846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2920.355846][ T10] ___sys_sendmsg+0xee/0x170 [ 2920.355846][ T10] __sys_sendmsg+0xcd/0x170 [ 2920.355846][ T10] do_syscall_64+0xc6/0x1e0 [ 2920.355846][ T10] [ 2920.357984][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2920.357984][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2920.357984][ T10] ipv6_find_idev+0x102/0x170 [ 2920.357984][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2920.357984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2920.357984][ T10] netlink_rcv_skb+0x130/0x360 [ 2920.357984][ T10] netlink_unicast+0x449/0x710 [ 2920.357984][ T10] netlink_sendmsg+0x723/0xbe0 [ 2920.357984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2920.357984][ T10] ___sys_sendmsg+0xee/0x170 [ 2920.357984][ T10] __sys_sendmsg+0xcd/0x170 [ 2920.357984][ T10] do_syscall_64+0xc6/0x1e0 [ 2920.357984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2920.357984][ T10] [ 2920.359688][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2920.359688][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2920.359688][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2920.359688][ T10] ipv6_find_idev+0x102/0x170 [ 2920.359688][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2920.359688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2920.359688][ T10] netlink_rcv_skb+0x130/0x360 [ 2920.359688][ T10] netlink_unicast+0x449/0x710 [ 2920.359688][ T10] netlink_sendmsg+0x723/0xbe0 [ 2920.359688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2920.359688][ T10] ___sys_sendmsg+0xee/0x170 [ 2920.359688][ T10] __sys_sendmsg+0xcd/0x170 [ 2920.359688][ T10] do_syscall_64+0xc6/0x1e0 [ 2920.359688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2920.359688][ T10] [ 2922.873069][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2922.873478][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2922.873478][ T1167] dst_init+0x84/0x4a0 [ 2922.873478][ T1167] dst_alloc+0x97/0x150 [ 2922.873478][ T1167] ip6_dst_alloc+0x23/0x90 [ 2922.873478][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2922.873478][ T1167] ip6_pol_route+0x56f/0x840 [ 2922.873478][ T1167] fib6_rule_lookup+0x334/0x630 [ 2922.873478][ T1167] ip6_route_output_flags+0x259/0x480 [ 2922.873478][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2922.873478][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2922.873478][ T1167] netlink_rcv_skb+0x130/0x360 [ 2922.873478][ T1167] netlink_unicast+0x449/0x710 [ 2922.873478][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2922.873478][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2922.873478][ T1167] ___sys_sendmsg+0xee/0x170 [ 2922.873478][ T1167] __sys_sendmsg+0xcd/0x170 [ 2922.873478][ T1167] do_syscall_64+0xc6/0x1e0 [ 2922.873478][ T1167] [ 2922.875696][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2922.875696][ T1167] netdev_get_by_index+0x5e/0x80 [ 2922.875696][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2922.875696][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2922.875696][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2922.875696][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2922.875696][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2922.875696][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2922.875696][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2922.875696][ T1167] addrconf_dad_begin+0x310/0x670 [ 2922.875696][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2922.875696][ T1167] process_one_work+0x84d/0x18a0 [ 2922.875696][ T1167] worker_thread+0x587/0xd30 [ 2922.875696][ T1167] kthread+0x28a/0x350 [ 2922.875696][ T1167] ret_from_fork+0x31/0x70 [ 2922.875696][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2922.875696][ T1167] [ 2922.877846][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2922.877846][ T1167] netdev_get_by_index+0x5e/0x80 [ 2922.877846][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2922.877846][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2922.877846][ T1167] ip6_route_add+0x1c/0x140 [ 2922.877846][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2922.877846][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2922.877846][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.877846][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.877846][ T1167] netlink_rcv_skb+0x130/0x360 [ 2922.877846][ T1167] netlink_unicast+0x449/0x710 [ 2922.877846][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2922.877846][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2922.877846][ T1167] ___sys_sendmsg+0xee/0x170 [ 2922.877846][ T1167] __sys_sendmsg+0xcd/0x170 [ 2922.877846][ T1167] do_syscall_64+0xc6/0x1e0 [ 2922.877846][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.877846][ T1167] [ 2922.880100][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2922.880100][ T1167] netdev_get_by_index+0x5e/0x80 [ 2922.880100][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2922.880100][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2922.880100][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2922.880100][ T1167] ipv6_add_addr+0x411/0x2000 [ 2922.880100][ T1167] inet6_addr_add+0x30e/0xa40 [ 2922.880100][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.880100][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.880100][ T1167] netlink_rcv_skb+0x130/0x360 [ 2922.880100][ T1167] netlink_unicast+0x449/0x710 [ 2922.880100][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2922.880100][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2922.880100][ T1167] ___sys_sendmsg+0xee/0x170 [ 2922.880100][ T1167] __sys_sendmsg+0xcd/0x170 [ 2922.880100][ T1167] do_syscall_64+0xc6/0x1e0 [ 2922.880100][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.880100][ T1167] [ 2922.882326][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2922.882326][ T1167] netdev_get_by_index+0x5e/0x80 [ 2922.882326][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2922.882326][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2922.882326][ T1167] ip6_route_add+0x1c/0x140 [ 2922.882326][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2922.882326][ T1167] addrconf_add_dev+0xe2/0x170 [ 2922.882326][ T1167] inet6_addr_add+0x12f/0xa40 [ 2922.882326][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.882326][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.882326][ T1167] netlink_rcv_skb+0x130/0x360 [ 2922.882326][ T1167] netlink_unicast+0x449/0x710 [ 2922.882326][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2922.882326][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2922.882326][ T1167] ___sys_sendmsg+0xee/0x170 [ 2922.882326][ T1167] __sys_sendmsg+0xcd/0x170 [ 2922.882326][ T1167] do_syscall_64+0xc6/0x1e0 [ 2922.882326][ T1167] [ 2922.884543][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2922.884543][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2922.884543][ T1167] ipv6_find_idev+0x102/0x170 [ 2922.884543][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2922.884543][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.884543][ T1167] netlink_rcv_skb+0x130/0x360 [ 2922.884543][ T1167] netlink_unicast+0x449/0x710 [ 2922.884543][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2922.884543][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2922.884543][ T1167] ___sys_sendmsg+0xee/0x170 [ 2922.884543][ T1167] __sys_sendmsg+0xcd/0x170 [ 2922.884543][ T1167] do_syscall_64+0xc6/0x1e0 [ 2922.884543][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.884543][ T1167] [ 2922.886259][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2922.886259][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2922.886259][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2922.886259][ T1167] ipv6_find_idev+0x102/0x170 [ 2922.886259][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2922.886259][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.886259][ T1167] netlink_rcv_skb+0x130/0x360 [ 2922.886259][ T1167] netlink_unicast+0x449/0x710 [ 2922.886259][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2922.886259][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2922.886259][ T1167] ___sys_sendmsg+0xee/0x170 [ 2922.886259][ T1167] __sys_sendmsg+0xcd/0x170 [ 2922.886259][ T1167] do_syscall_64+0xc6/0x1e0 [ 2922.886259][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.886259][ T1167] [ 2930.601126][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2930.601474][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2930.601474][ T10] netdev_get_by_index+0x5e/0x80 [ 2930.601474][ T10] fib6_nh_init+0x3d8/0x1580 [ 2930.601474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2930.601474][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2930.601474][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2930.601474][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2930.601474][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2930.601474][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2930.601474][ T10] addrconf_dad_begin+0x310/0x670 [ 2930.601474][ T10] addrconf_dad_work+0x10b/0xab0 [ 2930.601474][ T10] process_one_work+0x84d/0x18a0 [ 2930.601474][ T10] worker_thread+0x587/0xd30 [ 2930.601474][ T10] kthread+0x28a/0x350 [ 2930.601474][ T10] ret_from_fork+0x31/0x70 [ 2930.601474][ T10] ret_from_fork_asm+0x1a/0x30 [ 2930.601474][ T10] [ 2930.603395][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2930.603395][ T10] netdev_get_by_index+0x5e/0x80 [ 2930.603395][ T10] fib6_nh_init+0x3d8/0x1580 [ 2930.603395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2930.603395][ T10] ip6_route_add+0x1c/0x140 [ 2930.603395][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2930.603395][ T10] inet6_addr_add+0x4f8/0xa40 [ 2930.603395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2930.603395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2930.603395][ T10] netlink_rcv_skb+0x130/0x360 [ 2930.603395][ T10] netlink_unicast+0x449/0x710 [ 2930.603395][ T10] netlink_sendmsg+0x723/0xbe0 [ 2930.603395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2930.603395][ T10] ___sys_sendmsg+0xee/0x170 [ 2930.603395][ T10] __sys_sendmsg+0xcd/0x170 [ 2930.603395][ T10] do_syscall_64+0xc6/0x1e0 [ 2930.603395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2930.603395][ T10] [ 2930.605386][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2930.605386][ T10] netdev_get_by_index+0x5e/0x80 [ 2930.605386][ T10] fib6_nh_init+0x3d8/0x1580 [ 2930.605386][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2930.605386][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2930.605386][ T10] ipv6_add_addr+0x411/0x2000 [ 2930.605386][ T10] inet6_addr_add+0x30e/0xa40 [ 2930.605386][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2930.605386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2930.605386][ T10] netlink_rcv_skb+0x130/0x360 [ 2930.605386][ T10] netlink_unicast+0x449/0x710 [ 2930.605386][ T10] netlink_sendmsg+0x723/0xbe0 [ 2930.605386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2930.605386][ T10] ___sys_sendmsg+0xee/0x170 [ 2930.605386][ T10] __sys_sendmsg+0xcd/0x170 [ 2930.605386][ T10] do_syscall_64+0xc6/0x1e0 [ 2930.605386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2930.605386][ T10] [ 2930.607364][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2930.607364][ T10] netdev_get_by_index+0x5e/0x80 [ 2930.607364][ T10] fib6_nh_init+0x3d8/0x1580 [ 2930.607364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2930.607364][ T10] ip6_route_add+0x1c/0x140 [ 2930.607364][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2930.607364][ T10] addrconf_add_dev+0xe2/0x170 [ 2930.607364][ T10] inet6_addr_add+0x12f/0xa40 [ 2930.607364][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2930.607364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2930.607364][ T10] netlink_rcv_skb+0x130/0x360 [ 2930.607364][ T10] netlink_unicast+0x449/0x710 [ 2930.607364][ T10] netlink_sendmsg+0x723/0xbe0 [ 2930.607364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2930.607364][ T10] ___sys_sendmsg+0xee/0x170 [ 2930.607364][ T10] __sys_sendmsg+0xcd/0x170 [ 2930.607364][ T10] do_syscall_64+0xc6/0x1e0 [ 2930.607364][ T10] [ 2930.609306][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2930.609306][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2930.609306][ T10] ipv6_find_idev+0x102/0x170 [ 2930.609306][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2930.609306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2930.609306][ T10] netlink_rcv_skb+0x130/0x360 [ 2930.609306][ T10] netlink_unicast+0x449/0x710 [ 2930.609306][ T10] netlink_sendmsg+0x723/0xbe0 [ 2930.609306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2930.609306][ T10] ___sys_sendmsg+0xee/0x170 [ 2930.609306][ T10] __sys_sendmsg+0xcd/0x170 [ 2930.609306][ T10] do_syscall_64+0xc6/0x1e0 [ 2930.609306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2930.609306][ T10] [ 2930.610834][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2930.610834][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2930.610834][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2930.610834][ T10] ipv6_find_idev+0x102/0x170 [ 2930.610834][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2930.610834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2930.610834][ T10] netlink_rcv_skb+0x130/0x360 [ 2930.610834][ T10] netlink_unicast+0x449/0x710 [ 2930.610834][ T10] netlink_sendmsg+0x723/0xbe0 [ 2930.610834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2930.610834][ T10] ___sys_sendmsg+0xee/0x170 [ 2930.610834][ T10] __sys_sendmsg+0xcd/0x170 [ 2930.610834][ T10] do_syscall_64+0xc6/0x1e0 [ 2930.610834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2930.610834][ T10] [ 2930.612505][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2930.612745][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2930.612745][ T10] netdev_get_by_index+0x5e/0x80 [ 2930.612745][ T10] fib6_nh_init+0x3d8/0x1580 [ 2930.612745][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2930.612745][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2930.612745][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2930.612745][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2930.612745][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2930.612745][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2930.612745][ T10] addrconf_dad_begin+0x310/0x670 [ 2930.612745][ T10] addrconf_dad_work+0x10b/0xab0 [ 2930.612745][ T10] process_one_work+0x84d/0x18a0 [ 2930.612745][ T10] worker_thread+0x587/0xd30 [ 2930.612745][ T10] kthread+0x28a/0x350 [ 2930.612745][ T10] ret_from_fork+0x31/0x70 [ 2930.612745][ T10] ret_from_fork_asm+0x1a/0x30 [ 2930.612745][ T10] [ 2930.614645][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2930.614645][ T10] netdev_get_by_index+0x5e/0x80 [ 2930.614645][ T10] fib6_nh_init+0x3d8/0x1580 [ 2930.614645][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2930.614645][ T10] ip6_route_add+0x1c/0x140 [ 2930.614645][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2930.614645][ T10] inet6_addr_add+0x4f8/0xa40 [ 2930.614645][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2930.614645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2930.614645][ T10] netlink_rcv_skb+0x130/0x360 [ 2930.614645][ T10] netlink_unicast+0x449/0x710 [ 2930.614645][ T10] netlink_sendmsg+0x723/0xbe0 [ 2930.614645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2930.614645][ T10] ___sys_sendmsg+0xee/0x170 [ 2930.614645][ T10] __sys_sendmsg+0xcd/0x170 [ 2930.614645][ T10] do_syscall_64+0xc6/0x1e0 [ 2930.614645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2930.614645][ T10] [ 2930.616619][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2930.616619][ T10] netdev_get_by_index+0x5e/0x80 [ 2930.616619][ T10] fib6_nh_init+0x3d8/0x1580 [ 2930.616619][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2930.616619][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2930.616619][ T10] ipv6_add_addr+0x411/0x2000 [ 2930.616619][ T10] inet6_addr_add+0x30e/0xa40 [ 2930.616619][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2930.616619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2930.616619][ T10] netlink_rcv_skb+0x130/0x360 [ 2930.616619][ T10] netlink_unicast+0x449/0x710 [ 2930.616619][ T10] netlink_sendmsg+0x723/0xbe0 [ 2930.616619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2930.616619][ T10] ___sys_sendmsg+0xee/0x170 [ 2930.616619][ T10] __sys_sendmsg+0xcd/0x170 [ 2930.616619][ T10] do_syscall_64+0xc6/0x1e0 [ 2930.616619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2930.616619][ T10] [ 2930.618603][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2930.618603][ T10] netdev_get_by_index+0x5e/0x80 [ 2930.618603][ T10] fib6_nh_init+0x3d8/0x1580 [ 2930.618603][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2930.618603][ T10] ip6_route_add+0x1c/0x140 [ 2930.618603][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2930.618603][ T10] addrconf_add_dev+0xe2/0x170 [ 2930.618603][ T10] inet6_addr_add+0x12f/0xa40 [ 2930.618603][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2930.618603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2930.618603][ T10] netlink_rcv_skb+0x130/0x360 [ 2930.618603][ T10] netlink_unicast+0x449/0x710 [ 2930.618603][ T10] netlink_sendmsg+0x723/0xbe0 [ 2930.618603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2930.618603][ T10] ___sys_sendmsg+0xee/0x170 [ 2930.618603][ T10] __sys_sendmsg+0xcd/0x170 [ 2930.618603][ T10] do_syscall_64+0xc6/0x1e0 [ 2930.618603][ T10] [ 2930.620540][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2930.620540][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2930.620540][ T10] ipv6_find_idev+0x102/0x170 [ 2930.620540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2930.620540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2930.620540][ T10] netlink_rcv_skb+0x130/0x360 [ 2930.620540][ T10] netlink_unicast+0x449/0x710 [ 2930.620540][ T10] netlink_sendmsg+0x723/0xbe0 [ 2930.620540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2930.620540][ T10] ___sys_sendmsg+0xee/0x170 [ 2930.620540][ T10] __sys_sendmsg+0xcd/0x170 [ 2930.620540][ T10] do_syscall_64+0xc6/0x1e0 [ 2930.620540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2930.620540][ T10] [ 2930.622141][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2930.622141][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2930.622141][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2930.622141][ T10] ipv6_find_idev+0x102/0x170 [ 2930.622141][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2930.622141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2930.622141][ T10] netlink_rcv_skb+0x130/0x360 [ 2930.622141][ T10] netlink_unicast+0x449/0x710 [ 2930.622141][ T10] netlink_sendmsg+0x723/0xbe0 [ 2930.622141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2930.622141][ T10] ___sys_sendmsg+0xee/0x170 [ 2930.622141][ T10] __sys_sendmsg+0xcd/0x170 [ 2930.622141][ T10] do_syscall_64+0xc6/0x1e0 [ 2930.622141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2930.622141][ T10] [ 2930.623788][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2930.624042][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2930.624042][ T10] netdev_get_by_index+0x5e/0x80 [ 2930.624042][ T10] fib6_nh_init+0x3d8/0x1580 [ 2930.624042][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2930.624042][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2930.624042][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2930.624042][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2930.624042][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2930.624042][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2930.624042][ T10] addrconf_dad_begin+0x310/0x670 [ 2930.624042][ T10] addrconf_dad_work+0x10b/0xab0 [ 2930.624042][ T10] process_one_work+0x84d/0x18a0 [ 2930.624042][ T10] worker_thread+0x587/0xd30 [ 2930.624042][ T10] kthread+0x28a/0x350 [ 2930.624042][ T10] ret_from_fork+0x31/0x70 [ 2930.624042][ T10] ret_from_fork_asm+0x1a/0x30 [ 2930.624042][ T10] [ 2930.626319][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2930.626319][ T10] netdev_get_by_index+0x5e/0x80 [ 2930.626319][ T10] fib6_nh_init+0x3d8/0x1580 [ 2930.626319][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2930.626319][ T10] ip6_route_add+0x1c/0x140 [ 2930.626319][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2930.626319][ T10] inet6_addr_add+0x4f8/0xa40 [ 2930.626319][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2930.626319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2930.626319][ T10] netlink_rcv_skb+0x130/0x360 [ 2930.626319][ T10] netlink_unicast+0x449/0x710 [ 2930.626319][ T10] netlink_sendmsg+0x723/0xbe0 [ 2930.626319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2930.626319][ T10] ___sys_sendmsg+0xee/0x170 [ 2930.626319][ T10] __sys_sendmsg+0xcd/0x170 [ 2930.626319][ T10] do_syscall_64+0xc6/0x1e0 [ 2930.626319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2930.626319][ T10] [ 2930.628480][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2930.628480][ T10] netdev_get_by_index+0x5e/0x80 [ 2930.628480][ T10] fib6_nh_init+0x3d8/0x1580 [ 2930.628480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2930.628480][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2930.628480][ T10] ipv6_add_addr+0x411/0x2000 [ 2930.628480][ T10] inet6_addr_add+0x30e/0xa40 [ 2930.628480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2930.628480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2930.628480][ T10] netlink_rcv_skb+0x130/0x360 [ 2930.628480][ T10] netlink_unicast+0x449/0x710 [ 2930.628480][ T10] netlink_sendmsg+0x723/0xbe0 [ 2930.628480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2930.628480][ T10] ___sys_sendmsg+0xee/0x170 [ 2930.628480][ T10] __sys_sendmsg+0xcd/0x170 [ 2930.628480][ T10] do_syscall_64+0xc6/0x1e0 [ 2930.628480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2930.628480][ T10] [ 2930.630760][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2930.630760][ T10] netdev_get_by_index+0x5e/0x80 [ 2930.630760][ T10] fib6_nh_init+0x3d8/0x1580 [ 2930.630760][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2930.630760][ T10] ip6_route_add+0x1c/0x140 [ 2930.630760][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2930.630760][ T10] addrconf_add_dev+0xe2/0x170 [ 2930.630760][ T10] inet6_addr_add+0x12f/0xa40 [ 2930.630760][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2930.630760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2930.630760][ T10] netlink_rcv_skb+0x130/0x360 [ 2930.630760][ T10] netlink_unicast+0x449/0x710 [ 2930.630760][ T10] netlink_sendmsg+0x723/0xbe0 [ 2930.630760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2930.630760][ T10] ___sys_sendmsg+0xee/0x170 [ 2930.630760][ T10] __sys_sendmsg+0xcd/0x170 [ 2930.630760][ T10] do_syscall_64+0xc6/0x1e0 [ 2930.630760][ T10] [ 2930.632901][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2930.632901][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2930.632901][ T10] ipv6_find_idev+0x102/0x170 [ 2930.632901][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2930.632901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2930.632901][ T10] netlink_rcv_skb+0x130/0x360 [ 2930.632901][ T10] netlink_unicast+0x449/0x710 [ 2930.632901][ T10] netlink_sendmsg+0x723/0xbe0 [ 2930.632901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2930.632901][ T10] ___sys_sendmsg+0xee/0x170 [ 2930.632901][ T10] __sys_sendmsg+0xcd/0x170 [ 2930.632901][ T10] do_syscall_64+0xc6/0x1e0 [ 2930.632901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2930.632901][ T10] [ 2930.634623][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2930.634623][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2930.634623][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2930.634623][ T10] ipv6_find_idev+0x102/0x170 [ 2930.634623][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2930.634623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2930.634623][ T10] netlink_rcv_skb+0x130/0x360 [ 2930.634623][ T10] netlink_unicast+0x449/0x710 [ 2930.634623][ T10] netlink_sendmsg+0x723/0xbe0 [ 2930.634623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2930.634623][ T10] ___sys_sendmsg+0xee/0x170 [ 2930.634623][ T10] __sys_sendmsg+0xcd/0x170 [ 2930.634623][ T10] do_syscall_64+0xc6/0x1e0 [ 2930.634623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2930.634623][ T10] [ 2930.636533][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2930.636772][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2930.636772][ T10] netdev_get_by_index+0x5e/0x80 [ 2930.636772][ T10] fib6_nh_init+0x3d8/0x1580 [ 2930.636772][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2930.636772][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2930.636772][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2930.636772][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2930.636772][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2930.636772][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2930.636772][ T10] addrconf_dad_begin+0x310/0x670 [ 2930.636772][ T10] addrconf_dad_work+0x10b/0xab0 [ 2930.636772][ T10] process_one_work+0x84d/0x18a0 [ 2930.636772][ T10] worker_thread+0x587/0xd30 [ 2930.636772][ T10] kthread+0x28a/0x350 [ 2930.636772][ T10] ret_from_fork+0x31/0x70 [ 2930.636772][ T10] ret_from_fork_asm+0x1a/0x30 [ 2930.636772][ T10] [ 2930.638970][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2930.638970][ T10] netdev_get_by_index+0x5e/0x80 [ 2930.638970][ T10] fib6_nh_init+0x3d8/0x1580 [ 2930.638970][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2930.638970][ T10] ip6_route_add+0x1c/0x140 [ 2930.638970][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2930.638970][ T10] inet6_addr_add+0x4f8/0xa40 [ 2930.638970][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2930.638970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2930.638970][ T10] netlink_rcv_skb+0x130/0x360 [ 2930.638970][ T10] netlink_unicast+0x449/0x710 [ 2930.638970][ T10] netlink_sendmsg+0x723/0xbe0 [ 2930.638970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2930.638970][ T10] ___sys_sendmsg+0xee/0x170 [ 2930.638970][ T10] __sys_sendmsg+0xcd/0x170 [ 2930.638970][ T10] do_syscall_64+0xc6/0x1e0 [ 2930.638970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2930.638970][ T10] [ 2930.641084][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2930.641084][ T10] netdev_get_by_index+0x5e/0x80 [ 2930.641084][ T10] fib6_nh_init+0x3d8/0x1580 [ 2930.641084][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2930.641084][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2930.641084][ T10] ipv6_add_addr+0x411/0x2000 [ 2930.641084][ T10] inet6_addr_add+0x30e/0xa40 [ 2930.641084][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2930.641084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2930.641084][ T10] netlink_rcv_skb+0x130/0x360 [ 2930.641084][ T10] netlink_unicast+0x449/0x710 [ 2930.641084][ T10] netlink_sendmsg+0x723/0xbe0 [ 2930.641084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2930.641084][ T10] ___sys_sendmsg+0xee/0x170 [ 2930.641084][ T10] __sys_sendmsg+0xcd/0x170 [ 2930.641084][ T10] do_syscall_64+0xc6/0x1e0 [ 2930.641084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2930.641084][ T10] [ 2930.643301][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2930.643301][ T10] netdev_get_by_index+0x5e/0x80 [ 2930.643301][ T10] fib6_nh_init+0x3d8/0x1580 [ 2930.643301][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2930.643301][ T10] ip6_route_add+0x1c/0x140 [ 2930.643301][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2930.643301][ T10] addrconf_add_dev+0xe2/0x170 [ 2930.643301][ T10] inet6_addr_add+0x12f/0xa40 [ 2930.643301][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2930.643301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2930.643301][ T10] netlink_rcv_skb+0x130/0x360 [ 2930.643301][ T10] netlink_unicast+0x449/0x710 [ 2930.643301][ T10] netlink_sendmsg+0x723/0xbe0 [ 2930.643301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2930.643301][ T10] ___sys_sendmsg+0xee/0x170 [ 2930.643301][ T10] __sys_sendmsg+0xcd/0x170 [ 2930.643301][ T10] do_syscall_64+0xc6/0x1e0 [ 2930.643301][ T10] [ 2930.645447][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2930.645447][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2930.645447][ T10] ipv6_find_idev+0x102/0x170 [ 2930.645447][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2930.645447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2930.645447][ T10] netlink_rcv_skb+0x130/0x360 [ 2930.645447][ T10] netlink_unicast+0x449/0x710 [ 2930.645447][ T10] netlink_sendmsg+0x723/0xbe0 [ 2930.645447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2930.645447][ T10] ___sys_sendmsg+0xee/0x170 [ 2930.645447][ T10] __sys_sendmsg+0xcd/0x170 [ 2930.645447][ T10] do_syscall_64+0xc6/0x1e0 [ 2930.645447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2930.645447][ T10] [ 2930.647149][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2930.647149][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2930.647149][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2930.647149][ T10] ipv6_find_idev+0x102/0x170 [ 2930.647149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2930.647149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2930.647149][ T10] netlink_rcv_skb+0x130/0x360 [ 2930.647149][ T10] netlink_unicast+0x449/0x710 [ 2930.647149][ T10] netlink_sendmsg+0x723/0xbe0 [ 2930.647149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2930.647149][ T10] ___sys_sendmsg+0xee/0x170 [ 2930.647149][ T10] __sys_sendmsg+0xcd/0x170 [ 2930.647149][ T10] do_syscall_64+0xc6/0x1e0 [ 2930.647149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2930.647149][ T10] [ 2933.129122][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2933.129538][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2933.129538][ T1167] dst_init+0x84/0x4a0 [ 2933.129538][ T1167] dst_alloc+0x97/0x150 [ 2933.129538][ T1167] ip6_dst_alloc+0x23/0x90 [ 2933.129538][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2933.129538][ T1167] ip6_pol_route+0x56f/0x840 [ 2933.129538][ T1167] fib6_rule_lookup+0x334/0x630 [ 2933.129538][ T1167] ip6_route_output_flags+0x259/0x480 [ 2933.129538][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2933.129538][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2933.129538][ T1167] netlink_rcv_skb+0x130/0x360 [ 2933.129538][ T1167] netlink_unicast+0x449/0x710 [ 2933.129538][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2933.129538][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2933.129538][ T1167] ___sys_sendmsg+0xee/0x170 [ 2933.129538][ T1167] __sys_sendmsg+0xcd/0x170 [ 2933.129538][ T1167] do_syscall_64+0xc6/0x1e0 [ 2933.129538][ T1167] [ 2933.131728][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2933.131728][ T1167] netdev_get_by_index+0x5e/0x80 [ 2933.131728][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2933.131728][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2933.131728][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2933.131728][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2933.131728][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2933.131728][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2933.131728][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2933.131728][ T1167] addrconf_dad_begin+0x310/0x670 [ 2933.131728][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2933.131728][ T1167] process_one_work+0x84d/0x18a0 [ 2933.131728][ T1167] worker_thread+0x587/0xd30 [ 2933.131728][ T1167] kthread+0x28a/0x350 [ 2933.131728][ T1167] ret_from_fork+0x31/0x70 [ 2933.131728][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2933.131728][ T1167] [ 2933.133865][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2933.133865][ T1167] netdev_get_by_index+0x5e/0x80 [ 2933.133865][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2933.133865][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2933.133865][ T1167] ip6_route_add+0x1c/0x140 [ 2933.133865][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2933.133865][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2933.133865][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2933.133865][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.133865][ T1167] netlink_rcv_skb+0x130/0x360 [ 2933.133865][ T1167] netlink_unicast+0x449/0x710 [ 2933.133865][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2933.133865][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2933.133865][ T1167] ___sys_sendmsg+0xee/0x170 [ 2933.133865][ T1167] __sys_sendmsg+0xcd/0x170 [ 2933.133865][ T1167] do_syscall_64+0xc6/0x1e0 [ 2933.133865][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.133865][ T1167] [ 2933.136114][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2933.136114][ T1167] netdev_get_by_index+0x5e/0x80 [ 2933.136114][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2933.136114][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2933.136114][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2933.136114][ T1167] ipv6_add_addr+0x411/0x2000 [ 2933.136114][ T1167] inet6_addr_add+0x30e/0xa40 [ 2933.136114][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2933.136114][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.136114][ T1167] netlink_rcv_skb+0x130/0x360 [ 2933.136114][ T1167] netlink_unicast+0x449/0x710 [ 2933.136114][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2933.136114][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2933.136114][ T1167] ___sys_sendmsg+0xee/0x170 [ 2933.136114][ T1167] __sys_sendmsg+0xcd/0x170 [ 2933.136114][ T1167] do_syscall_64+0xc6/0x1e0 [ 2933.136114][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.136114][ T1167] [ 2933.138346][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2933.138346][ T1167] netdev_get_by_index+0x5e/0x80 [ 2933.138346][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2933.138346][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2933.138346][ T1167] ip6_route_add+0x1c/0x140 [ 2933.138346][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2933.138346][ T1167] addrconf_add_dev+0xe2/0x170 [ 2933.138346][ T1167] inet6_addr_add+0x12f/0xa40 [ 2933.138346][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2933.138346][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.138346][ T1167] netlink_rcv_skb+0x130/0x360 [ 2933.138346][ T1167] netlink_unicast+0x449/0x710 [ 2933.138346][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2933.138346][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2933.138346][ T1167] ___sys_sendmsg+0xee/0x170 [ 2933.138346][ T1167] __sys_sendmsg+0xcd/0x170 [ 2933.138346][ T1167] do_syscall_64+0xc6/0x1e0 [ 2933.138346][ T1167] [ 2933.140545][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2933.140545][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2933.140545][ T1167] ipv6_find_idev+0x102/0x170 [ 2933.140545][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2933.140545][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.140545][ T1167] netlink_rcv_skb+0x130/0x360 [ 2933.140545][ T1167] netlink_unicast+0x449/0x710 [ 2933.140545][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2933.140545][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2933.140545][ T1167] ___sys_sendmsg+0xee/0x170 [ 2933.140545][ T1167] __sys_sendmsg+0xcd/0x170 [ 2933.140545][ T1167] do_syscall_64+0xc6/0x1e0 [ 2933.140545][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.140545][ T1167] [ 2933.142288][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2933.142288][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2933.142288][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2933.142288][ T1167] ipv6_find_idev+0x102/0x170 [ 2933.142288][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2933.142288][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.142288][ T1167] netlink_rcv_skb+0x130/0x360 [ 2933.142288][ T1167] netlink_unicast+0x449/0x710 [ 2933.142288][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2933.142288][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2933.142288][ T1167] ___sys_sendmsg+0xee/0x170 [ 2933.142288][ T1167] __sys_sendmsg+0xcd/0x170 [ 2933.142288][ T1167] do_syscall_64+0xc6/0x1e0 [ 2933.142288][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.142288][ T1167] [ 2940.889123][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2940.889475][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2940.889475][ T10] netdev_get_by_index+0x5e/0x80 [ 2940.889475][ T10] fib6_nh_init+0x3d8/0x1580 [ 2940.889475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2940.889475][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2940.889475][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2940.889475][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2940.889475][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2940.889475][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2940.889475][ T10] addrconf_dad_begin+0x310/0x670 [ 2940.889475][ T10] addrconf_dad_work+0x10b/0xab0 [ 2940.889475][ T10] process_one_work+0x84d/0x18a0 [ 2940.889475][ T10] worker_thread+0x587/0xd30 [ 2940.889475][ T10] kthread+0x28a/0x350 [ 2940.889475][ T10] ret_from_fork+0x31/0x70 [ 2940.889475][ T10] ret_from_fork_asm+0x1a/0x30 [ 2940.889475][ T10] [ 2940.891401][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2940.891401][ T10] netdev_get_by_index+0x5e/0x80 [ 2940.891401][ T10] fib6_nh_init+0x3d8/0x1580 [ 2940.891401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2940.891401][ T10] ip6_route_add+0x1c/0x140 [ 2940.891401][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2940.891401][ T10] inet6_addr_add+0x4f8/0xa40 [ 2940.891401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2940.891401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2940.891401][ T10] netlink_rcv_skb+0x130/0x360 [ 2940.891401][ T10] netlink_unicast+0x449/0x710 [ 2940.891401][ T10] netlink_sendmsg+0x723/0xbe0 [ 2940.891401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2940.891401][ T10] ___sys_sendmsg+0xee/0x170 [ 2940.891401][ T10] __sys_sendmsg+0xcd/0x170 [ 2940.891401][ T10] do_syscall_64+0xc6/0x1e0 [ 2940.891401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2940.891401][ T10] [ 2940.893389][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2940.893389][ T10] netdev_get_by_index+0x5e/0x80 [ 2940.893389][ T10] fib6_nh_init+0x3d8/0x1580 [ 2940.893389][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2940.893389][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2940.893389][ T10] ipv6_add_addr+0x411/0x2000 [ 2940.893389][ T10] inet6_addr_add+0x30e/0xa40 [ 2940.893389][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2940.893389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2940.893389][ T10] netlink_rcv_skb+0x130/0x360 [ 2940.893389][ T10] netlink_unicast+0x449/0x710 [ 2940.893389][ T10] netlink_sendmsg+0x723/0xbe0 [ 2940.893389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2940.893389][ T10] ___sys_sendmsg+0xee/0x170 [ 2940.893389][ T10] __sys_sendmsg+0xcd/0x170 [ 2940.893389][ T10] do_syscall_64+0xc6/0x1e0 [ 2940.893389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2940.893389][ T10] [ 2940.895391][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2940.895391][ T10] netdev_get_by_index+0x5e/0x80 [ 2940.895391][ T10] fib6_nh_init+0x3d8/0x1580 [ 2940.895391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2940.895391][ T10] ip6_route_add+0x1c/0x140 [ 2940.895391][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2940.895391][ T10] addrconf_add_dev+0xe2/0x170 [ 2940.895391][ T10] inet6_addr_add+0x12f/0xa40 [ 2940.895391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2940.895391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2940.895391][ T10] netlink_rcv_skb+0x130/0x360 [ 2940.895391][ T10] netlink_unicast+0x449/0x710 [ 2940.895391][ T10] netlink_sendmsg+0x723/0xbe0 [ 2940.895391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2940.895391][ T10] ___sys_sendmsg+0xee/0x170 [ 2940.895391][ T10] __sys_sendmsg+0xcd/0x170 [ 2940.895391][ T10] do_syscall_64+0xc6/0x1e0 [ 2940.895391][ T10] [ 2940.897338][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2940.897338][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2940.897338][ T10] ipv6_find_idev+0x102/0x170 [ 2940.897338][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2940.897338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2940.897338][ T10] netlink_rcv_skb+0x130/0x360 [ 2940.897338][ T10] netlink_unicast+0x449/0x710 [ 2940.897338][ T10] netlink_sendmsg+0x723/0xbe0 [ 2940.897338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2940.897338][ T10] ___sys_sendmsg+0xee/0x170 [ 2940.897338][ T10] __sys_sendmsg+0xcd/0x170 [ 2940.897338][ T10] do_syscall_64+0xc6/0x1e0 [ 2940.897338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2940.897338][ T10] [ 2940.898861][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2940.898861][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2940.898861][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2940.898861][ T10] ipv6_find_idev+0x102/0x170 [ 2940.898861][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2940.898861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2940.898861][ T10] netlink_rcv_skb+0x130/0x360 [ 2940.898861][ T10] netlink_unicast+0x449/0x710 [ 2940.898861][ T10] netlink_sendmsg+0x723/0xbe0 [ 2940.898861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2940.898861][ T10] ___sys_sendmsg+0xee/0x170 [ 2940.898861][ T10] __sys_sendmsg+0xcd/0x170 [ 2940.898861][ T10] do_syscall_64+0xc6/0x1e0 [ 2940.898861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2940.898861][ T10] [ 2940.900537][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2940.900776][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2940.900776][ T10] netdev_get_by_index+0x5e/0x80 [ 2940.900776][ T10] fib6_nh_init+0x3d8/0x1580 [ 2940.900776][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2940.900776][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2940.900776][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2940.900776][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2940.900776][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2940.900776][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2940.900776][ T10] addrconf_dad_begin+0x310/0x670 [ 2940.900776][ T10] addrconf_dad_work+0x10b/0xab0 [ 2940.900776][ T10] process_one_work+0x84d/0x18a0 [ 2940.900776][ T10] worker_thread+0x587/0xd30 [ 2940.900776][ T10] kthread+0x28a/0x350 [ 2940.900776][ T10] ret_from_fork+0x31/0x70 [ 2940.900776][ T10] ret_from_fork_asm+0x1a/0x30 [ 2940.900776][ T10] [ 2940.902670][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2940.902670][ T10] netdev_get_by_index+0x5e/0x80 [ 2940.902670][ T10] fib6_nh_init+0x3d8/0x1580 [ 2940.902670][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2940.902670][ T10] ip6_route_add+0x1c/0x140 [ 2940.902670][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2940.902670][ T10] inet6_addr_add+0x4f8/0xa40 [ 2940.902670][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2940.902670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2940.902670][ T10] netlink_rcv_skb+0x130/0x360 [ 2940.902670][ T10] netlink_unicast+0x449/0x710 [ 2940.902670][ T10] netlink_sendmsg+0x723/0xbe0 [ 2940.902670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2940.902670][ T10] ___sys_sendmsg+0xee/0x170 [ 2940.902670][ T10] __sys_sendmsg+0xcd/0x170 [ 2940.902670][ T10] do_syscall_64+0xc6/0x1e0 [ 2940.902670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2940.902670][ T10] [ 2940.904659][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2940.904659][ T10] netdev_get_by_index+0x5e/0x80 [ 2940.904659][ T10] fib6_nh_init+0x3d8/0x1580 [ 2940.904659][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2940.904659][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2940.904659][ T10] ipv6_add_addr+0x411/0x2000 [ 2940.904659][ T10] inet6_addr_add+0x30e/0xa40 [ 2940.904659][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2940.904659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2940.904659][ T10] netlink_rcv_skb+0x130/0x360 [ 2940.904659][ T10] netlink_unicast+0x449/0x710 [ 2940.904659][ T10] netlink_sendmsg+0x723/0xbe0 [ 2940.904659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2940.904659][ T10] ___sys_sendmsg+0xee/0x170 [ 2940.904659][ T10] __sys_sendmsg+0xcd/0x170 [ 2940.904659][ T10] do_syscall_64+0xc6/0x1e0 [ 2940.904659][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2940.904659][ T10] [ 2940.906636][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2940.906636][ T10] netdev_get_by_index+0x5e/0x80 [ 2940.906636][ T10] fib6_nh_init+0x3d8/0x1580 [ 2940.906636][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2940.906636][ T10] ip6_route_add+0x1c/0x140 [ 2940.906636][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2940.906636][ T10] addrconf_add_dev+0xe2/0x170 [ 2940.906636][ T10] inet6_addr_add+0x12f/0xa40 [ 2940.906636][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2940.906636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2940.906636][ T10] netlink_rcv_skb+0x130/0x360 [ 2940.906636][ T10] netlink_unicast+0x449/0x710 [ 2940.906636][ T10] netlink_sendmsg+0x723/0xbe0 [ 2940.906636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2940.906636][ T10] ___sys_sendmsg+0xee/0x170 [ 2940.906636][ T10] __sys_sendmsg+0xcd/0x170 [ 2940.906636][ T10] do_syscall_64+0xc6/0x1e0 [ 2940.906636][ T10] [ 2940.908575][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2940.908575][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2940.908575][ T10] ipv6_find_idev+0x102/0x170 [ 2940.908575][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2940.908575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2940.908575][ T10] netlink_rcv_skb+0x130/0x360 [ 2940.908575][ T10] netlink_unicast+0x449/0x710 [ 2940.908575][ T10] netlink_sendmsg+0x723/0xbe0 [ 2940.908575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2940.908575][ T10] ___sys_sendmsg+0xee/0x170 [ 2940.908575][ T10] __sys_sendmsg+0xcd/0x170 [ 2940.908575][ T10] do_syscall_64+0xc6/0x1e0 [ 2940.908575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2940.908575][ T10] [ 2940.910101][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2940.910101][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2940.910101][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2940.910101][ T10] ipv6_find_idev+0x102/0x170 [ 2940.910101][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2940.910101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2940.910101][ T10] netlink_rcv_skb+0x130/0x360 [ 2940.910101][ T10] netlink_unicast+0x449/0x710 [ 2940.910101][ T10] netlink_sendmsg+0x723/0xbe0 [ 2940.910101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2940.910101][ T10] ___sys_sendmsg+0xee/0x170 [ 2940.910101][ T10] __sys_sendmsg+0xcd/0x170 [ 2940.910101][ T10] do_syscall_64+0xc6/0x1e0 [ 2940.910101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2940.910101][ T10] [ 2940.911764][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2940.911997][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2940.911997][ T10] netdev_get_by_index+0x5e/0x80 [ 2940.911997][ T10] fib6_nh_init+0x3d8/0x1580 [ 2940.911997][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2940.911997][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2940.911997][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2940.911997][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2940.911997][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2940.911997][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2940.911997][ T10] addrconf_dad_begin+0x310/0x670 [ 2940.911997][ T10] addrconf_dad_work+0x10b/0xab0 [ 2940.911997][ T10] process_one_work+0x84d/0x18a0 [ 2940.911997][ T10] worker_thread+0x587/0xd30 [ 2940.911997][ T10] kthread+0x28a/0x350 [ 2940.911997][ T10] ret_from_fork+0x31/0x70 [ 2940.911997][ T10] ret_from_fork_asm+0x1a/0x30 [ 2940.911997][ T10] [ 2940.913903][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2940.913903][ T10] netdev_get_by_index+0x5e/0x80 [ 2940.913903][ T10] fib6_nh_init+0x3d8/0x1580 [ 2940.913903][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2940.913903][ T10] ip6_route_add+0x1c/0x140 [ 2940.913903][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2940.913903][ T10] inet6_addr_add+0x4f8/0xa40 [ 2940.913903][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2940.913903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2940.913903][ T10] netlink_rcv_skb+0x130/0x360 [ 2940.913903][ T10] netlink_unicast+0x449/0x710 [ 2940.913903][ T10] netlink_sendmsg+0x723/0xbe0 [ 2940.913903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2940.913903][ T10] ___sys_sendmsg+0xee/0x170 [ 2940.913903][ T10] __sys_sendmsg+0xcd/0x170 [ 2940.913903][ T10] do_syscall_64+0xc6/0x1e0 [ 2940.913903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2940.913903][ T10] [ 2940.916078][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2940.916078][ T10] netdev_get_by_index+0x5e/0x80 [ 2940.916078][ T10] fib6_nh_init+0x3d8/0x1580 [ 2940.916078][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2940.916078][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2940.916078][ T10] ipv6_add_addr+0x411/0x2000 [ 2940.916078][ T10] inet6_addr_add+0x30e/0xa40 [ 2940.916078][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2940.916078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2940.916078][ T10] netlink_rcv_skb+0x130/0x360 [ 2940.916078][ T10] netlink_unicast+0x449/0x710 [ 2940.916078][ T10] netlink_sendmsg+0x723/0xbe0 [ 2940.916078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2940.916078][ T10] ___sys_sendmsg+0xee/0x170 [ 2940.916078][ T10] __sys_sendmsg+0xcd/0x170 [ 2940.916078][ T10] do_syscall_64+0xc6/0x1e0 [ 2940.916078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2940.916078][ T10] [ 2940.918363][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2940.918363][ T10] netdev_get_by_index+0x5e/0x80 [ 2940.918363][ T10] fib6_nh_init+0x3d8/0x1580 [ 2940.918363][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2940.918363][ T10] ip6_route_add+0x1c/0x140 [ 2940.918363][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2940.918363][ T10] addrconf_add_dev+0xe2/0x170 [ 2940.918363][ T10] inet6_addr_add+0x12f/0xa40 [ 2940.918363][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2940.918363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2940.918363][ T10] netlink_rcv_skb+0x130/0x360 [ 2940.918363][ T10] netlink_unicast+0x449/0x710 [ 2940.918363][ T10] netlink_sendmsg+0x723/0xbe0 [ 2940.918363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2940.918363][ T10] ___sys_sendmsg+0xee/0x170 [ 2940.918363][ T10] __sys_sendmsg+0xcd/0x170 [ 2940.918363][ T10] do_syscall_64+0xc6/0x1e0 [ 2940.918363][ T10] [ 2940.920501][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2940.920501][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2940.920501][ T10] ipv6_find_idev+0x102/0x170 [ 2940.920501][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2940.920501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2940.920501][ T10] netlink_rcv_skb+0x130/0x360 [ 2940.920501][ T10] netlink_unicast+0x449/0x710 [ 2940.920501][ T10] netlink_sendmsg+0x723/0xbe0 [ 2940.920501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2940.920501][ T10] ___sys_sendmsg+0xee/0x170 [ 2940.920501][ T10] __sys_sendmsg+0xcd/0x170 [ 2940.920501][ T10] do_syscall_64+0xc6/0x1e0 [ 2940.920501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2940.920501][ T10] [ 2940.922145][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2940.922145][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2940.922145][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2940.922145][ T10] ipv6_find_idev+0x102/0x170 [ 2940.922145][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2940.922145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2940.922145][ T10] netlink_rcv_skb+0x130/0x360 [ 2940.922145][ T10] netlink_unicast+0x449/0x710 [ 2940.922145][ T10] netlink_sendmsg+0x723/0xbe0 [ 2940.922145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2940.922145][ T10] ___sys_sendmsg+0xee/0x170 [ 2940.922145][ T10] __sys_sendmsg+0xcd/0x170 [ 2940.922145][ T10] do_syscall_64+0xc6/0x1e0 [ 2940.922145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2940.922145][ T10] [ 2940.924047][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2940.924287][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2940.924287][ T10] netdev_get_by_index+0x5e/0x80 [ 2940.924287][ T10] fib6_nh_init+0x3d8/0x1580 [ 2940.924287][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2940.924287][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2940.924287][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2940.924287][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2940.924287][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2940.924287][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2940.924287][ T10] addrconf_dad_begin+0x310/0x670 [ 2940.924287][ T10] addrconf_dad_work+0x10b/0xab0 [ 2940.924287][ T10] process_one_work+0x84d/0x18a0 [ 2940.924287][ T10] worker_thread+0x587/0xd30 [ 2940.924287][ T10] kthread+0x28a/0x350 [ 2940.924287][ T10] ret_from_fork+0x31/0x70 [ 2940.924287][ T10] ret_from_fork_asm+0x1a/0x30 [ 2940.924287][ T10] [ 2940.926418][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2940.926418][ T10] netdev_get_by_index+0x5e/0x80 [ 2940.926418][ T10] fib6_nh_init+0x3d8/0x1580 [ 2940.926418][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2940.926418][ T10] ip6_route_add+0x1c/0x140 [ 2940.926418][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2940.926418][ T10] inet6_addr_add+0x4f8/0xa40 [ 2940.926418][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2940.926418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2940.926418][ T10] netlink_rcv_skb+0x130/0x360 [ 2940.926418][ T10] netlink_unicast+0x449/0x710 [ 2940.926418][ T10] netlink_sendmsg+0x723/0xbe0 [ 2940.926418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2940.926418][ T10] ___sys_sendmsg+0xee/0x170 [ 2940.926418][ T10] __sys_sendmsg+0xcd/0x170 [ 2940.926418][ T10] do_syscall_64+0xc6/0x1e0 [ 2940.926418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2940.926418][ T10] [ 2940.928588][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2940.928588][ T10] netdev_get_by_index+0x5e/0x80 [ 2940.928588][ T10] fib6_nh_init+0x3d8/0x1580 [ 2940.928588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2940.928588][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2940.928588][ T10] ipv6_add_addr+0x411/0x2000 [ 2940.928588][ T10] inet6_addr_add+0x30e/0xa40 [ 2940.928588][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2940.928588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2940.928588][ T10] netlink_rcv_skb+0x130/0x360 [ 2940.928588][ T10] netlink_unicast+0x449/0x710 [ 2940.928588][ T10] netlink_sendmsg+0x723/0xbe0 [ 2940.928588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2940.928588][ T10] ___sys_sendmsg+0xee/0x170 [ 2940.928588][ T10] __sys_sendmsg+0xcd/0x170 [ 2940.928588][ T10] do_syscall_64+0xc6/0x1e0 [ 2940.928588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2940.928588][ T10] [ 2940.930749][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2940.930749][ T10] netdev_get_by_index+0x5e/0x80 [ 2940.930749][ T10] fib6_nh_init+0x3d8/0x1580 [ 2940.930749][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2940.930749][ T10] ip6_route_add+0x1c/0x140 [ 2940.930749][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2940.930749][ T10] addrconf_add_dev+0xe2/0x170 [ 2940.930749][ T10] inet6_addr_add+0x12f/0xa40 [ 2940.930749][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2940.930749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2940.930749][ T10] netlink_rcv_skb+0x130/0x360 [ 2940.930749][ T10] netlink_unicast+0x449/0x710 [ 2940.930749][ T10] netlink_sendmsg+0x723/0xbe0 [ 2940.930749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2940.930749][ T10] ___sys_sendmsg+0xee/0x170 [ 2940.930749][ T10] __sys_sendmsg+0xcd/0x170 [ 2940.930749][ T10] do_syscall_64+0xc6/0x1e0 [ 2940.930749][ T10] [ 2940.932888][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2940.932888][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2940.932888][ T10] ipv6_find_idev+0x102/0x170 [ 2940.932888][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2940.932888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2940.932888][ T10] netlink_rcv_skb+0x130/0x360 [ 2940.932888][ T10] netlink_unicast+0x449/0x710 [ 2940.932888][ T10] netlink_sendmsg+0x723/0xbe0 [ 2940.932888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2940.932888][ T10] ___sys_sendmsg+0xee/0x170 [ 2940.932888][ T10] __sys_sendmsg+0xcd/0x170 [ 2940.932888][ T10] do_syscall_64+0xc6/0x1e0 [ 2940.932888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2940.932888][ T10] [ 2940.934602][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2940.934602][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2940.934602][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2940.934602][ T10] ipv6_find_idev+0x102/0x170 [ 2940.934602][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2940.934602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2940.934602][ T10] netlink_rcv_skb+0x130/0x360 [ 2940.934602][ T10] netlink_unicast+0x449/0x710 [ 2940.934602][ T10] netlink_sendmsg+0x723/0xbe0 [ 2940.934602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2940.934602][ T10] ___sys_sendmsg+0xee/0x170 [ 2940.934602][ T10] __sys_sendmsg+0xcd/0x170 [ 2940.934602][ T10] do_syscall_64+0xc6/0x1e0 [ 2940.934602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2940.934602][ T10] [ 2943.361058][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2943.361500][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2943.361500][ T1167] dst_init+0x84/0x4a0 [ 2943.361500][ T1167] dst_alloc+0x97/0x150 [ 2943.361500][ T1167] ip6_dst_alloc+0x23/0x90 [ 2943.361500][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2943.361500][ T1167] ip6_pol_route+0x56f/0x840 [ 2943.361500][ T1167] fib6_rule_lookup+0x334/0x630 [ 2943.361500][ T1167] ip6_route_output_flags+0x259/0x480 [ 2943.361500][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2943.361500][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2943.361500][ T1167] netlink_rcv_skb+0x130/0x360 [ 2943.361500][ T1167] netlink_unicast+0x449/0x710 [ 2943.361500][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2943.361500][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2943.361500][ T1167] ___sys_sendmsg+0xee/0x170 [ 2943.361500][ T1167] __sys_sendmsg+0xcd/0x170 [ 2943.361500][ T1167] do_syscall_64+0xc6/0x1e0 [ 2943.361500][ T1167] [ 2943.364412][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2943.364412][ T1167] netdev_get_by_index+0x5e/0x80 [ 2943.364412][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2943.364412][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2943.364412][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2943.364412][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2943.364412][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2943.364412][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2943.364412][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2943.364412][ T1167] addrconf_dad_begin+0x310/0x670 [ 2943.364412][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2943.364412][ T1167] process_one_work+0x84d/0x18a0 [ 2943.364412][ T1167] worker_thread+0x587/0xd30 [ 2943.364412][ T1167] kthread+0x28a/0x350 [ 2943.364412][ T1167] ret_from_fork+0x31/0x70 [ 2943.364412][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2943.364412][ T1167] [ 2943.366727][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2943.366727][ T1167] netdev_get_by_index+0x5e/0x80 [ 2943.366727][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2943.366727][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2943.366727][ T1167] ip6_route_add+0x1c/0x140 [ 2943.366727][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2943.366727][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2943.366727][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2943.366727][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.366727][ T1167] netlink_rcv_skb+0x130/0x360 [ 2943.366727][ T1167] netlink_unicast+0x449/0x710 [ 2943.366727][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2943.366727][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2943.366727][ T1167] ___sys_sendmsg+0xee/0x170 [ 2943.366727][ T1167] __sys_sendmsg+0xcd/0x170 [ 2943.366727][ T1167] do_syscall_64+0xc6/0x1e0 [ 2943.366727][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.366727][ T1167] [ 2943.369000][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2943.369000][ T1167] netdev_get_by_index+0x5e/0x80 [ 2943.369000][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2943.369000][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2943.369000][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2943.369000][ T1167] ipv6_add_addr+0x411/0x2000 [ 2943.369000][ T1167] inet6_addr_add+0x30e/0xa40 [ 2943.369000][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2943.369000][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.369000][ T1167] netlink_rcv_skb+0x130/0x360 [ 2943.369000][ T1167] netlink_unicast+0x449/0x710 [ 2943.369000][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2943.369000][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2943.369000][ T1167] ___sys_sendmsg+0xee/0x170 [ 2943.369000][ T1167] __sys_sendmsg+0xcd/0x170 [ 2943.369000][ T1167] do_syscall_64+0xc6/0x1e0 [ 2943.369000][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.369000][ T1167] [ 2943.371445][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2943.371445][ T1167] netdev_get_by_index+0x5e/0x80 [ 2943.371445][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2943.371445][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2943.371445][ T1167] ip6_route_add+0x1c/0x140 [ 2943.371445][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2943.371445][ T1167] addrconf_add_dev+0xe2/0x170 [ 2943.371445][ T1167] inet6_addr_add+0x12f/0xa40 [ 2943.371445][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2943.371445][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.371445][ T1167] netlink_rcv_skb+0x130/0x360 [ 2943.371445][ T1167] netlink_unicast+0x449/0x710 [ 2943.371445][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2943.371445][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2943.371445][ T1167] ___sys_sendmsg+0xee/0x170 [ 2943.371445][ T1167] __sys_sendmsg+0xcd/0x170 [ 2943.371445][ T1167] do_syscall_64+0xc6/0x1e0 [ 2943.371445][ T1167] [ 2943.373668][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2943.373668][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2943.373668][ T1167] ipv6_find_idev+0x102/0x170 [ 2943.373668][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2943.373668][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.373668][ T1167] netlink_rcv_skb+0x130/0x360 [ 2943.373668][ T1167] netlink_unicast+0x449/0x710 [ 2943.373668][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2943.373668][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2943.373668][ T1167] ___sys_sendmsg+0xee/0x170 [ 2943.373668][ T1167] __sys_sendmsg+0xcd/0x170 [ 2943.373668][ T1167] do_syscall_64+0xc6/0x1e0 [ 2943.373668][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.373668][ T1167] [ 2943.375508][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2943.375508][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2943.375508][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2943.375508][ T1167] ipv6_find_idev+0x102/0x170 [ 2943.375508][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2943.375508][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.375508][ T1167] netlink_rcv_skb+0x130/0x360 [ 2943.375508][ T1167] netlink_unicast+0x449/0x710 [ 2943.375508][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2943.375508][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2943.375508][ T1167] ___sys_sendmsg+0xee/0x170 [ 2943.375508][ T1167] __sys_sendmsg+0xcd/0x170 [ 2943.375508][ T1167] do_syscall_64+0xc6/0x1e0 [ 2943.375508][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.375508][ T1167] [ 2951.041139][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2951.041500][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2951.041500][ T10] netdev_get_by_index+0x5e/0x80 [ 2951.041500][ T10] fib6_nh_init+0x3d8/0x1580 [ 2951.041500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2951.041500][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2951.041500][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2951.041500][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2951.041500][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2951.041500][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2951.041500][ T10] addrconf_dad_begin+0x310/0x670 [ 2951.041500][ T10] addrconf_dad_work+0x10b/0xab0 [ 2951.041500][ T10] process_one_work+0x84d/0x18a0 [ 2951.041500][ T10] worker_thread+0x587/0xd30 [ 2951.041500][ T10] kthread+0x28a/0x350 [ 2951.041500][ T10] ret_from_fork+0x31/0x70 [ 2951.041500][ T10] ret_from_fork_asm+0x1a/0x30 [ 2951.041500][ T10] [ 2951.043442][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2951.043442][ T10] netdev_get_by_index+0x5e/0x80 [ 2951.043442][ T10] fib6_nh_init+0x3d8/0x1580 [ 2951.043442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2951.043442][ T10] ip6_route_add+0x1c/0x140 [ 2951.043442][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2951.043442][ T10] inet6_addr_add+0x4f8/0xa40 [ 2951.043442][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2951.043442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2951.043442][ T10] netlink_rcv_skb+0x130/0x360 [ 2951.043442][ T10] netlink_unicast+0x449/0x710 [ 2951.043442][ T10] netlink_sendmsg+0x723/0xbe0 [ 2951.043442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2951.043442][ T10] ___sys_sendmsg+0xee/0x170 [ 2951.043442][ T10] __sys_sendmsg+0xcd/0x170 [ 2951.043442][ T10] do_syscall_64+0xc6/0x1e0 [ 2951.043442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2951.043442][ T10] [ 2951.045452][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2951.045452][ T10] netdev_get_by_index+0x5e/0x80 [ 2951.045452][ T10] fib6_nh_init+0x3d8/0x1580 [ 2951.045452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2951.045452][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2951.045452][ T10] ipv6_add_addr+0x411/0x2000 [ 2951.045452][ T10] inet6_addr_add+0x30e/0xa40 [ 2951.045452][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2951.045452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2951.045452][ T10] netlink_rcv_skb+0x130/0x360 [ 2951.045452][ T10] netlink_unicast+0x449/0x710 [ 2951.045452][ T10] netlink_sendmsg+0x723/0xbe0 [ 2951.045452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2951.045452][ T10] ___sys_sendmsg+0xee/0x170 [ 2951.045452][ T10] __sys_sendmsg+0xcd/0x170 [ 2951.045452][ T10] do_syscall_64+0xc6/0x1e0 [ 2951.045452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2951.045452][ T10] [ 2951.047433][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2951.047433][ T10] netdev_get_by_index+0x5e/0x80 [ 2951.047433][ T10] fib6_nh_init+0x3d8/0x1580 [ 2951.047433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2951.047433][ T10] ip6_route_add+0x1c/0x140 [ 2951.047433][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2951.047433][ T10] addrconf_add_dev+0xe2/0x170 [ 2951.047433][ T10] inet6_addr_add+0x12f/0xa40 [ 2951.047433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2951.047433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2951.047433][ T10] netlink_rcv_skb+0x130/0x360 [ 2951.047433][ T10] netlink_unicast+0x449/0x710 [ 2951.047433][ T10] netlink_sendmsg+0x723/0xbe0 [ 2951.047433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2951.047433][ T10] ___sys_sendmsg+0xee/0x170 [ 2951.047433][ T10] __sys_sendmsg+0xcd/0x170 [ 2951.047433][ T10] do_syscall_64+0xc6/0x1e0 [ 2951.047433][ T10] [ 2951.049383][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2951.049383][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2951.049383][ T10] ipv6_find_idev+0x102/0x170 [ 2951.049383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2951.049383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2951.049383][ T10] netlink_rcv_skb+0x130/0x360 [ 2951.049383][ T10] netlink_unicast+0x449/0x710 [ 2951.049383][ T10] netlink_sendmsg+0x723/0xbe0 [ 2951.049383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2951.049383][ T10] ___sys_sendmsg+0xee/0x170 [ 2951.049383][ T10] __sys_sendmsg+0xcd/0x170 [ 2951.049383][ T10] do_syscall_64+0xc6/0x1e0 [ 2951.049383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2951.049383][ T10] [ 2951.050910][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2951.050910][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2951.050910][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2951.050910][ T10] ipv6_find_idev+0x102/0x170 [ 2951.050910][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2951.050910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2951.050910][ T10] netlink_rcv_skb+0x130/0x360 [ 2951.050910][ T10] netlink_unicast+0x449/0x710 [ 2951.050910][ T10] netlink_sendmsg+0x723/0xbe0 [ 2951.050910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2951.050910][ T10] ___sys_sendmsg+0xee/0x170 [ 2951.050910][ T10] __sys_sendmsg+0xcd/0x170 [ 2951.050910][ T10] do_syscall_64+0xc6/0x1e0 [ 2951.050910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2951.050910][ T10] [ 2951.052604][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2951.052848][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2951.052848][ T10] netdev_get_by_index+0x5e/0x80 [ 2951.052848][ T10] fib6_nh_init+0x3d8/0x1580 [ 2951.052848][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2951.052848][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2951.052848][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2951.052848][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2951.052848][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2951.052848][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2951.052848][ T10] addrconf_dad_begin+0x310/0x670 [ 2951.052848][ T10] addrconf_dad_work+0x10b/0xab0 [ 2951.052848][ T10] process_one_work+0x84d/0x18a0 [ 2951.052848][ T10] worker_thread+0x587/0xd30 [ 2951.052848][ T10] kthread+0x28a/0x350 [ 2951.052848][ T10] ret_from_fork+0x31/0x70 [ 2951.052848][ T10] ret_from_fork_asm+0x1a/0x30 [ 2951.052848][ T10] [ 2951.055919][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2951.055919][ T10] netdev_get_by_index+0x5e/0x80 [ 2951.055919][ T10] fib6_nh_init+0x3d8/0x1580 [ 2951.055919][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2951.055919][ T10] ip6_route_add+0x1c/0x140 [ 2951.055919][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2951.055919][ T10] inet6_addr_add+0x4f8/0xa40 [ 2951.055919][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2951.055919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2951.055919][ T10] netlink_rcv_skb+0x130/0x360 [ 2951.055919][ T10] netlink_unicast+0x449/0x710 [ 2951.055919][ T10] netlink_sendmsg+0x723/0xbe0 [ 2951.055919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2951.055919][ T10] ___sys_sendmsg+0xee/0x170 [ 2951.055919][ T10] __sys_sendmsg+0xcd/0x170 [ 2951.055919][ T10] do_syscall_64+0xc6/0x1e0 [ 2951.055919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2951.055919][ T10] [ 2951.058954][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2951.058954][ T10] netdev_get_by_index+0x5e/0x80 [ 2951.058954][ T10] fib6_nh_init+0x3d8/0x1580 [ 2951.058954][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2951.058954][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2951.058954][ T10] ipv6_add_addr+0x411/0x2000 [ 2951.058954][ T10] inet6_addr_add+0x30e/0xa40 [ 2951.058954][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2951.058954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2951.058954][ T10] netlink_rcv_skb+0x130/0x360 [ 2951.058954][ T10] netlink_unicast+0x449/0x710 [ 2951.058954][ T10] netlink_sendmsg+0x723/0xbe0 [ 2951.058954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2951.058954][ T10] ___sys_sendmsg+0xee/0x170 [ 2951.058954][ T10] __sys_sendmsg+0xcd/0x170 [ 2951.058954][ T10] do_syscall_64+0xc6/0x1e0 [ 2951.058954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2951.058954][ T10] [ 2951.061808][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2951.061808][ T10] netdev_get_by_index+0x5e/0x80 [ 2951.061808][ T10] fib6_nh_init+0x3d8/0x1580 [ 2951.061808][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2951.061808][ T10] ip6_route_add+0x1c/0x140 [ 2951.061808][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2951.061808][ T10] addrconf_add_dev+0xe2/0x170 [ 2951.061808][ T10] inet6_addr_add+0x12f/0xa40 [ 2951.061808][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2951.061808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2951.061808][ T10] netlink_rcv_skb+0x130/0x360 [ 2951.061808][ T10] netlink_unicast+0x449/0x710 [ 2951.061808][ T10] netlink_sendmsg+0x723/0xbe0 [ 2951.061808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2951.061808][ T10] ___sys_sendmsg+0xee/0x170 [ 2951.061808][ T10] __sys_sendmsg+0xcd/0x170 [ 2951.061808][ T10] do_syscall_64+0xc6/0x1e0 [ 2951.061808][ T10] [ 2951.064747][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2951.064747][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2951.064747][ T10] ipv6_find_idev+0x102/0x170 [ 2951.064747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2951.064747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2951.064747][ T10] netlink_rcv_skb+0x130/0x360 [ 2951.064747][ T10] netlink_unicast+0x449/0x710 [ 2951.064747][ T10] netlink_sendmsg+0x723/0xbe0 [ 2951.064747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2951.064747][ T10] ___sys_sendmsg+0xee/0x170 [ 2951.064747][ T10] __sys_sendmsg+0xcd/0x170 [ 2951.064747][ T10] do_syscall_64+0xc6/0x1e0 [ 2951.064747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2951.064747][ T10] [ 2951.067100][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2951.067100][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2951.067100][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2951.067100][ T10] ipv6_find_idev+0x102/0x170 [ 2951.067100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2951.067100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2951.067100][ T10] netlink_rcv_skb+0x130/0x360 [ 2951.067100][ T10] netlink_unicast+0x449/0x710 [ 2951.067100][ T10] netlink_sendmsg+0x723/0xbe0 [ 2951.067100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2951.067100][ T10] ___sys_sendmsg+0xee/0x170 [ 2951.067100][ T10] __sys_sendmsg+0xcd/0x170 [ 2951.067100][ T10] do_syscall_64+0xc6/0x1e0 [ 2951.067100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2951.067100][ T10] [ 2951.069592][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2951.069950][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2951.069950][ T10] netdev_get_by_index+0x5e/0x80 [ 2951.069950][ T10] fib6_nh_init+0x3d8/0x1580 [ 2951.069950][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2951.069950][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2951.069950][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2951.069950][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2951.069950][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2951.069950][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2951.069950][ T10] addrconf_dad_begin+0x310/0x670 [ 2951.069950][ T10] addrconf_dad_work+0x10b/0xab0 [ 2951.069950][ T10] process_one_work+0x84d/0x18a0 [ 2951.069950][ T10] worker_thread+0x587/0xd30 [ 2951.069950][ T10] kthread+0x28a/0x350 [ 2951.069950][ T10] ret_from_fork+0x31/0x70 [ 2951.069950][ T10] ret_from_fork_asm+0x1a/0x30 [ 2951.069950][ T10] [ 2951.072814][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2951.072814][ T10] netdev_get_by_index+0x5e/0x80 [ 2951.072814][ T10] fib6_nh_init+0x3d8/0x1580 [ 2951.072814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2951.072814][ T10] ip6_route_add+0x1c/0x140 [ 2951.072814][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2951.072814][ T10] inet6_addr_add+0x4f8/0xa40 [ 2951.072814][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2951.072814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2951.072814][ T10] netlink_rcv_skb+0x130/0x360 [ 2951.072814][ T10] netlink_unicast+0x449/0x710 [ 2951.072814][ T10] netlink_sendmsg+0x723/0xbe0 [ 2951.072814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2951.072814][ T10] ___sys_sendmsg+0xee/0x170 [ 2951.072814][ T10] __sys_sendmsg+0xcd/0x170 [ 2951.072814][ T10] do_syscall_64+0xc6/0x1e0 [ 2951.072814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2951.072814][ T10] [ 2951.076006][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2951.076006][ T10] netdev_get_by_index+0x5e/0x80 [ 2951.076006][ T10] fib6_nh_init+0x3d8/0x1580 [ 2951.076006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2951.076006][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2951.076006][ T10] ipv6_add_addr+0x411/0x2000 [ 2951.076006][ T10] inet6_addr_add+0x30e/0xa40 [ 2951.076006][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2951.076006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2951.076006][ T10] netlink_rcv_skb+0x130/0x360 [ 2951.076006][ T10] netlink_unicast+0x449/0x710 [ 2951.076006][ T10] netlink_sendmsg+0x723/0xbe0 [ 2951.076006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2951.076006][ T10] ___sys_sendmsg+0xee/0x170 [ 2951.076006][ T10] __sys_sendmsg+0xcd/0x170 [ 2951.076006][ T10] do_syscall_64+0xc6/0x1e0 [ 2951.076006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2951.076006][ T10] [ 2951.079180][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2951.079180][ T10] netdev_get_by_index+0x5e/0x80 [ 2951.079180][ T10] fib6_nh_init+0x3d8/0x1580 [ 2951.079180][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2951.079180][ T10] ip6_route_add+0x1c/0x140 [ 2951.079180][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2951.079180][ T10] addrconf_add_dev+0xe2/0x170 [ 2951.079180][ T10] inet6_addr_add+0x12f/0xa40 [ 2951.079180][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2951.079180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2951.079180][ T10] netlink_rcv_skb+0x130/0x360 [ 2951.079180][ T10] netlink_unicast+0x449/0x710 [ 2951.079180][ T10] netlink_sendmsg+0x723/0xbe0 [ 2951.079180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2951.079180][ T10] ___sys_sendmsg+0xee/0x170 [ 2951.079180][ T10] __sys_sendmsg+0xcd/0x170 [ 2951.079180][ T10] do_syscall_64+0xc6/0x1e0 [ 2951.079180][ T10] [ 2951.082416][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2951.082416][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2951.082416][ T10] ipv6_find_idev+0x102/0x170 [ 2951.082416][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2951.082416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2951.082416][ T10] netlink_rcv_skb+0x130/0x360 [ 2951.082416][ T10] netlink_unicast+0x449/0x710 [ 2951.082416][ T10] netlink_sendmsg+0x723/0xbe0 [ 2951.082416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2951.082416][ T10] ___sys_sendmsg+0xee/0x170 [ 2951.082416][ T10] __sys_sendmsg+0xcd/0x170 [ 2951.082416][ T10] do_syscall_64+0xc6/0x1e0 [ 2951.082416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2951.082416][ T10] [ 2951.084815][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2951.084815][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2951.084815][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2951.084815][ T10] ipv6_find_idev+0x102/0x170 [ 2951.084815][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2951.084815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2951.084815][ T10] netlink_rcv_skb+0x130/0x360 [ 2951.084815][ T10] netlink_unicast+0x449/0x710 [ 2951.084815][ T10] netlink_sendmsg+0x723/0xbe0 [ 2951.084815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2951.084815][ T10] ___sys_sendmsg+0xee/0x170 [ 2951.084815][ T10] __sys_sendmsg+0xcd/0x170 [ 2951.084815][ T10] do_syscall_64+0xc6/0x1e0 [ 2951.084815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2951.084815][ T10] [ 2951.087569][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2951.087935][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2951.087935][ T10] netdev_get_by_index+0x5e/0x80 [ 2951.087935][ T10] fib6_nh_init+0x3d8/0x1580 [ 2951.087935][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2951.087935][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2951.087935][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2951.087935][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2951.087935][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2951.087935][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2951.087935][ T10] addrconf_dad_begin+0x310/0x670 [ 2951.087935][ T10] addrconf_dad_work+0x10b/0xab0 [ 2951.087935][ T10] process_one_work+0x84d/0x18a0 [ 2951.087935][ T10] worker_thread+0x587/0xd30 [ 2951.087935][ T10] kthread+0x28a/0x350 [ 2951.087935][ T10] ret_from_fork+0x31/0x70 [ 2951.087935][ T10] ret_from_fork_asm+0x1a/0x30 [ 2951.087935][ T10] [ 2951.091055][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2951.091055][ T10] netdev_get_by_index+0x5e/0x80 [ 2951.091055][ T10] fib6_nh_init+0x3d8/0x1580 [ 2951.091055][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2951.091055][ T10] ip6_route_add+0x1c/0x140 [ 2951.091055][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2951.091055][ T10] inet6_addr_add+0x4f8/0xa40 [ 2951.091055][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2951.091055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2951.091055][ T10] netlink_rcv_skb+0x130/0x360 [ 2951.091055][ T10] netlink_unicast+0x449/0x710 [ 2951.091055][ T10] netlink_sendmsg+0x723/0xbe0 [ 2951.091055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2951.091055][ T10] ___sys_sendmsg+0xee/0x170 [ 2951.091055][ T10] __sys_sendmsg+0xcd/0x170 [ 2951.091055][ T10] do_syscall_64+0xc6/0x1e0 [ 2951.091055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2951.091055][ T10] [ 2951.094259][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2951.094259][ T10] netdev_get_by_index+0x5e/0x80 [ 2951.094259][ T10] fib6_nh_init+0x3d8/0x1580 [ 2951.094259][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2951.094259][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2951.094259][ T10] ipv6_add_addr+0x411/0x2000 [ 2951.094259][ T10] inet6_addr_add+0x30e/0xa40 [ 2951.094259][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2951.094259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2951.094259][ T10] netlink_rcv_skb+0x130/0x360 [ 2951.094259][ T10] netlink_unicast+0x449/0x710 [ 2951.094259][ T10] netlink_sendmsg+0x723/0xbe0 [ 2951.094259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2951.094259][ T10] ___sys_sendmsg+0xee/0x170 [ 2951.094259][ T10] __sys_sendmsg+0xcd/0x170 [ 2951.094259][ T10] do_syscall_64+0xc6/0x1e0 [ 2951.094259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2951.094259][ T10] [ 2951.097504][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2951.097504][ T10] netdev_get_by_index+0x5e/0x80 [ 2951.097504][ T10] fib6_nh_init+0x3d8/0x1580 [ 2951.097504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2951.097504][ T10] ip6_route_add+0x1c/0x140 [ 2951.097504][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2951.097504][ T10] addrconf_add_dev+0xe2/0x170 [ 2951.097504][ T10] inet6_addr_add+0x12f/0xa40 [ 2951.097504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2951.097504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2951.097504][ T10] netlink_rcv_skb+0x130/0x360 [ 2951.097504][ T10] netlink_unicast+0x449/0x710 [ 2951.097504][ T10] netlink_sendmsg+0x723/0xbe0 [ 2951.097504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2951.097504][ T10] ___sys_sendmsg+0xee/0x170 [ 2951.097504][ T10] __sys_sendmsg+0xcd/0x170 [ 2951.097504][ T10] do_syscall_64+0xc6/0x1e0 [ 2951.097504][ T10] [ 2951.100671][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2951.100671][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2951.100671][ T10] ipv6_find_idev+0x102/0x170 [ 2951.100671][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2951.100671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2951.100671][ T10] netlink_rcv_skb+0x130/0x360 [ 2951.100671][ T10] netlink_unicast+0x449/0x710 [ 2951.100671][ T10] netlink_sendmsg+0x723/0xbe0 [ 2951.100671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2951.100671][ T10] ___sys_sendmsg+0xee/0x170 [ 2951.100671][ T10] __sys_sendmsg+0xcd/0x170 [ 2951.100671][ T10] do_syscall_64+0xc6/0x1e0 [ 2951.100671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2951.100671][ T10] [ 2951.103199][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2951.103199][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2951.103199][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2951.103199][ T10] ipv6_find_idev+0x102/0x170 [ 2951.103199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2951.103199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2951.103199][ T10] netlink_rcv_skb+0x130/0x360 [ 2951.103199][ T10] netlink_unicast+0x449/0x710 [ 2951.103199][ T10] netlink_sendmsg+0x723/0xbe0 [ 2951.103199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2951.103199][ T10] ___sys_sendmsg+0xee/0x170 [ 2951.103199][ T10] __sys_sendmsg+0xcd/0x170 [ 2951.103199][ T10] do_syscall_64+0xc6/0x1e0 [ 2951.103199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2951.103199][ T10] [ 2953.617166][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2953.617585][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2953.617585][ T1167] dst_init+0x84/0x4a0 [ 2953.617585][ T1167] dst_alloc+0x97/0x150 [ 2953.617585][ T1167] ip6_dst_alloc+0x23/0x90 [ 2953.617585][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2953.617585][ T1167] ip6_pol_route+0x56f/0x840 [ 2953.617585][ T1167] fib6_rule_lookup+0x334/0x630 [ 2953.617585][ T1167] ip6_route_output_flags+0x259/0x480 [ 2953.617585][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2953.617585][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2953.617585][ T1167] netlink_rcv_skb+0x130/0x360 [ 2953.617585][ T1167] netlink_unicast+0x449/0x710 [ 2953.617585][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2953.617585][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2953.617585][ T1167] ___sys_sendmsg+0xee/0x170 [ 2953.617585][ T1167] __sys_sendmsg+0xcd/0x170 [ 2953.617585][ T1167] do_syscall_64+0xc6/0x1e0 [ 2953.617585][ T1167] [ 2953.619763][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2953.619763][ T1167] netdev_get_by_index+0x5e/0x80 [ 2953.619763][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2953.619763][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2953.619763][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2953.619763][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2953.619763][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2953.619763][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2953.619763][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2953.619763][ T1167] addrconf_dad_begin+0x310/0x670 [ 2953.619763][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2953.619763][ T1167] process_one_work+0x84d/0x18a0 [ 2953.619763][ T1167] worker_thread+0x587/0xd30 [ 2953.619763][ T1167] kthread+0x28a/0x350 [ 2953.619763][ T1167] ret_from_fork+0x31/0x70 [ 2953.619763][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2953.619763][ T1167] [ 2953.621897][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2953.621897][ T1167] netdev_get_by_index+0x5e/0x80 [ 2953.621897][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2953.621897][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2953.621897][ T1167] ip6_route_add+0x1c/0x140 [ 2953.621897][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2953.621897][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2953.621897][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2953.621897][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.621897][ T1167] netlink_rcv_skb+0x130/0x360 [ 2953.621897][ T1167] netlink_unicast+0x449/0x710 [ 2953.621897][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2953.621897][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2953.621897][ T1167] ___sys_sendmsg+0xee/0x170 [ 2953.621897][ T1167] __sys_sendmsg+0xcd/0x170 [ 2953.621897][ T1167] do_syscall_64+0xc6/0x1e0 [ 2953.621897][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.621897][ T1167] [ 2953.624154][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2953.624154][ T1167] netdev_get_by_index+0x5e/0x80 [ 2953.624154][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2953.624154][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2953.624154][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2953.624154][ T1167] ipv6_add_addr+0x411/0x2000 [ 2953.624154][ T1167] inet6_addr_add+0x30e/0xa40 [ 2953.624154][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2953.624154][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.624154][ T1167] netlink_rcv_skb+0x130/0x360 [ 2953.624154][ T1167] netlink_unicast+0x449/0x710 [ 2953.624154][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2953.624154][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2953.624154][ T1167] ___sys_sendmsg+0xee/0x170 [ 2953.624154][ T1167] __sys_sendmsg+0xcd/0x170 [ 2953.624154][ T1167] do_syscall_64+0xc6/0x1e0 [ 2953.624154][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.624154][ T1167] [ 2953.626376][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2953.626376][ T1167] netdev_get_by_index+0x5e/0x80 [ 2953.626376][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2953.626376][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2953.626376][ T1167] ip6_route_add+0x1c/0x140 [ 2953.626376][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2953.626376][ T1167] addrconf_add_dev+0xe2/0x170 [ 2953.626376][ T1167] inet6_addr_add+0x12f/0xa40 [ 2953.626376][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2953.626376][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.626376][ T1167] netlink_rcv_skb+0x130/0x360 [ 2953.626376][ T1167] netlink_unicast+0x449/0x710 [ 2953.626376][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2953.626376][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2953.626376][ T1167] ___sys_sendmsg+0xee/0x170 [ 2953.626376][ T1167] __sys_sendmsg+0xcd/0x170 [ 2953.626376][ T1167] do_syscall_64+0xc6/0x1e0 [ 2953.626376][ T1167] [ 2953.628562][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2953.628562][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2953.628562][ T1167] ipv6_find_idev+0x102/0x170 [ 2953.628562][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2953.628562][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.628562][ T1167] netlink_rcv_skb+0x130/0x360 [ 2953.628562][ T1167] netlink_unicast+0x449/0x710 [ 2953.628562][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2953.628562][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2953.628562][ T1167] ___sys_sendmsg+0xee/0x170 [ 2953.628562][ T1167] __sys_sendmsg+0xcd/0x170 [ 2953.628562][ T1167] do_syscall_64+0xc6/0x1e0 [ 2953.628562][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.628562][ T1167] [ 2953.630276][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2953.630276][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2953.630276][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2953.630276][ T1167] ipv6_find_idev+0x102/0x170 [ 2953.630276][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2953.630276][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.630276][ T1167] netlink_rcv_skb+0x130/0x360 [ 2953.630276][ T1167] netlink_unicast+0x449/0x710 [ 2953.630276][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2953.630276][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2953.630276][ T1167] ___sys_sendmsg+0xee/0x170 [ 2953.630276][ T1167] __sys_sendmsg+0xcd/0x170 [ 2953.630276][ T1167] do_syscall_64+0xc6/0x1e0 [ 2953.630276][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.630276][ T1167] [ 2961.145125][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2961.145459][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2961.145459][ T10] netdev_get_by_index+0x5e/0x80 [ 2961.145459][ T10] fib6_nh_init+0x3d8/0x1580 [ 2961.145459][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2961.145459][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2961.145459][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2961.145459][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2961.145459][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2961.145459][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2961.145459][ T10] addrconf_dad_begin+0x310/0x670 [ 2961.145459][ T10] addrconf_dad_work+0x10b/0xab0 [ 2961.145459][ T10] process_one_work+0x84d/0x18a0 [ 2961.145459][ T10] worker_thread+0x587/0xd30 [ 2961.145459][ T10] kthread+0x28a/0x350 [ 2961.145459][ T10] ret_from_fork+0x31/0x70 [ 2961.145459][ T10] ret_from_fork_asm+0x1a/0x30 [ 2961.145459][ T10] [ 2961.147369][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2961.147369][ T10] netdev_get_by_index+0x5e/0x80 [ 2961.147369][ T10] fib6_nh_init+0x3d8/0x1580 [ 2961.147369][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2961.147369][ T10] ip6_route_add+0x1c/0x140 [ 2961.147369][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2961.147369][ T10] inet6_addr_add+0x4f8/0xa40 [ 2961.147369][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2961.147369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2961.147369][ T10] netlink_rcv_skb+0x130/0x360 [ 2961.147369][ T10] netlink_unicast+0x449/0x710 [ 2961.147369][ T10] netlink_sendmsg+0x723/0xbe0 [ 2961.147369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2961.147369][ T10] ___sys_sendmsg+0xee/0x170 [ 2961.147369][ T10] __sys_sendmsg+0xcd/0x170 [ 2961.147369][ T10] do_syscall_64+0xc6/0x1e0 [ 2961.147369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2961.147369][ T10] [ 2961.149349][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2961.149349][ T10] netdev_get_by_index+0x5e/0x80 [ 2961.149349][ T10] fib6_nh_init+0x3d8/0x1580 [ 2961.149349][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2961.149349][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2961.149349][ T10] ipv6_add_addr+0x411/0x2000 [ 2961.149349][ T10] inet6_addr_add+0x30e/0xa40 [ 2961.149349][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2961.149349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2961.149349][ T10] netlink_rcv_skb+0x130/0x360 [ 2961.149349][ T10] netlink_unicast+0x449/0x710 [ 2961.149349][ T10] netlink_sendmsg+0x723/0xbe0 [ 2961.149349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2961.149349][ T10] ___sys_sendmsg+0xee/0x170 [ 2961.149349][ T10] __sys_sendmsg+0xcd/0x170 [ 2961.149349][ T10] do_syscall_64+0xc6/0x1e0 [ 2961.149349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2961.149349][ T10] [ 2961.151338][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2961.151338][ T10] netdev_get_by_index+0x5e/0x80 [ 2961.151338][ T10] fib6_nh_init+0x3d8/0x1580 [ 2961.151338][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2961.151338][ T10] ip6_route_add+0x1c/0x140 [ 2961.151338][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2961.151338][ T10] addrconf_add_dev+0xe2/0x170 [ 2961.151338][ T10] inet6_addr_add+0x12f/0xa40 [ 2961.151338][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2961.151338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2961.151338][ T10] netlink_rcv_skb+0x130/0x360 [ 2961.151338][ T10] netlink_unicast+0x449/0x710 [ 2961.151338][ T10] netlink_sendmsg+0x723/0xbe0 [ 2961.151338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2961.151338][ T10] ___sys_sendmsg+0xee/0x170 [ 2961.151338][ T10] __sys_sendmsg+0xcd/0x170 [ 2961.151338][ T10] do_syscall_64+0xc6/0x1e0 [ 2961.151338][ T10] [ 2961.153281][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2961.153281][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2961.153281][ T10] ipv6_find_idev+0x102/0x170 [ 2961.153281][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2961.153281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2961.153281][ T10] netlink_rcv_skb+0x130/0x360 [ 2961.153281][ T10] netlink_unicast+0x449/0x710 [ 2961.153281][ T10] netlink_sendmsg+0x723/0xbe0 [ 2961.153281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2961.153281][ T10] ___sys_sendmsg+0xee/0x170 [ 2961.153281][ T10] __sys_sendmsg+0xcd/0x170 [ 2961.153281][ T10] do_syscall_64+0xc6/0x1e0 [ 2961.153281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2961.153281][ T10] [ 2961.154820][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2961.154820][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2961.154820][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2961.154820][ T10] ipv6_find_idev+0x102/0x170 [ 2961.154820][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2961.154820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2961.154820][ T10] netlink_rcv_skb+0x130/0x360 [ 2961.154820][ T10] netlink_unicast+0x449/0x710 [ 2961.154820][ T10] netlink_sendmsg+0x723/0xbe0 [ 2961.154820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2961.154820][ T10] ___sys_sendmsg+0xee/0x170 [ 2961.154820][ T10] __sys_sendmsg+0xcd/0x170 [ 2961.154820][ T10] do_syscall_64+0xc6/0x1e0 [ 2961.154820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2961.154820][ T10] [ 2961.156487][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2961.156733][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2961.156733][ T10] netdev_get_by_index+0x5e/0x80 [ 2961.156733][ T10] fib6_nh_init+0x3d8/0x1580 [ 2961.156733][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2961.156733][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2961.156733][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2961.156733][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2961.156733][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2961.156733][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2961.156733][ T10] addrconf_dad_begin+0x310/0x670 [ 2961.156733][ T10] addrconf_dad_work+0x10b/0xab0 [ 2961.156733][ T10] process_one_work+0x84d/0x18a0 [ 2961.156733][ T10] worker_thread+0x587/0xd30 [ 2961.156733][ T10] kthread+0x28a/0x350 [ 2961.156733][ T10] ret_from_fork+0x31/0x70 [ 2961.156733][ T10] ret_from_fork_asm+0x1a/0x30 [ 2961.156733][ T10] [ 2961.158620][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2961.158620][ T10] netdev_get_by_index+0x5e/0x80 [ 2961.158620][ T10] fib6_nh_init+0x3d8/0x1580 [ 2961.158620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2961.158620][ T10] ip6_route_add+0x1c/0x140 [ 2961.158620][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2961.158620][ T10] inet6_addr_add+0x4f8/0xa40 [ 2961.158620][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2961.158620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2961.158620][ T10] netlink_rcv_skb+0x130/0x360 [ 2961.158620][ T10] netlink_unicast+0x449/0x710 [ 2961.158620][ T10] netlink_sendmsg+0x723/0xbe0 [ 2961.158620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2961.158620][ T10] ___sys_sendmsg+0xee/0x170 [ 2961.158620][ T10] __sys_sendmsg+0xcd/0x170 [ 2961.158620][ T10] do_syscall_64+0xc6/0x1e0 [ 2961.158620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2961.158620][ T10] [ 2961.160600][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2961.160600][ T10] netdev_get_by_index+0x5e/0x80 [ 2961.160600][ T10] fib6_nh_init+0x3d8/0x1580 [ 2961.160600][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2961.160600][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2961.160600][ T10] ipv6_add_addr+0x411/0x2000 [ 2961.160600][ T10] inet6_addr_add+0x30e/0xa40 [ 2961.160600][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2961.160600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2961.160600][ T10] netlink_rcv_skb+0x130/0x360 [ 2961.160600][ T10] netlink_unicast+0x449/0x710 [ 2961.160600][ T10] netlink_sendmsg+0x723/0xbe0 [ 2961.160600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2961.160600][ T10] ___sys_sendmsg+0xee/0x170 [ 2961.160600][ T10] __sys_sendmsg+0xcd/0x170 [ 2961.160600][ T10] do_syscall_64+0xc6/0x1e0 [ 2961.160600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2961.160600][ T10] [ 2961.162580][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2961.162580][ T10] netdev_get_by_index+0x5e/0x80 [ 2961.162580][ T10] fib6_nh_init+0x3d8/0x1580 [ 2961.162580][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2961.162580][ T10] ip6_route_add+0x1c/0x140 [ 2961.162580][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2961.162580][ T10] addrconf_add_dev+0xe2/0x170 [ 2961.162580][ T10] inet6_addr_add+0x12f/0xa40 [ 2961.162580][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2961.162580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2961.162580][ T10] netlink_rcv_skb+0x130/0x360 [ 2961.162580][ T10] netlink_unicast+0x449/0x710 [ 2961.162580][ T10] netlink_sendmsg+0x723/0xbe0 [ 2961.162580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2961.162580][ T10] ___sys_sendmsg+0xee/0x170 [ 2961.162580][ T10] __sys_sendmsg+0xcd/0x170 [ 2961.162580][ T10] do_syscall_64+0xc6/0x1e0 [ 2961.162580][ T10] [ 2961.164552][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2961.164552][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2961.164552][ T10] ipv6_find_idev+0x102/0x170 [ 2961.164552][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2961.164552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2961.164552][ T10] netlink_rcv_skb+0x130/0x360 [ 2961.164552][ T10] netlink_unicast+0x449/0x710 [ 2961.164552][ T10] netlink_sendmsg+0x723/0xbe0 [ 2961.164552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2961.164552][ T10] ___sys_sendmsg+0xee/0x170 [ 2961.164552][ T10] __sys_sendmsg+0xcd/0x170 [ 2961.164552][ T10] do_syscall_64+0xc6/0x1e0 [ 2961.164552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2961.164552][ T10] [ 2961.166083][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2961.166083][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2961.166083][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2961.166083][ T10] ipv6_find_idev+0x102/0x170 [ 2961.166083][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2961.166083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2961.166083][ T10] netlink_rcv_skb+0x130/0x360 [ 2961.166083][ T10] netlink_unicast+0x449/0x710 [ 2961.166083][ T10] netlink_sendmsg+0x723/0xbe0 [ 2961.166083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2961.166083][ T10] ___sys_sendmsg+0xee/0x170 [ 2961.166083][ T10] __sys_sendmsg+0xcd/0x170 [ 2961.166083][ T10] do_syscall_64+0xc6/0x1e0 [ 2961.166083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2961.166083][ T10] [ 2961.167745][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2961.167981][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2961.167981][ T10] netdev_get_by_index+0x5e/0x80 [ 2961.167981][ T10] fib6_nh_init+0x3d8/0x1580 [ 2961.167981][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2961.167981][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2961.167981][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2961.167981][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2961.167981][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2961.167981][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2961.167981][ T10] addrconf_dad_begin+0x310/0x670 [ 2961.167981][ T10] addrconf_dad_work+0x10b/0xab0 [ 2961.167981][ T10] process_one_work+0x84d/0x18a0 [ 2961.167981][ T10] worker_thread+0x587/0xd30 [ 2961.167981][ T10] kthread+0x28a/0x350 [ 2961.167981][ T10] ret_from_fork+0x31/0x70 [ 2961.167981][ T10] ret_from_fork_asm+0x1a/0x30 [ 2961.167981][ T10] [ 2961.169878][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2961.169878][ T10] netdev_get_by_index+0x5e/0x80 [ 2961.169878][ T10] fib6_nh_init+0x3d8/0x1580 [ 2961.169878][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2961.169878][ T10] ip6_route_add+0x1c/0x140 [ 2961.169878][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2961.169878][ T10] inet6_addr_add+0x4f8/0xa40 [ 2961.169878][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2961.169878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2961.169878][ T10] netlink_rcv_skb+0x130/0x360 [ 2961.169878][ T10] netlink_unicast+0x449/0x710 [ 2961.169878][ T10] netlink_sendmsg+0x723/0xbe0 [ 2961.169878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2961.169878][ T10] ___sys_sendmsg+0xee/0x170 [ 2961.169878][ T10] __sys_sendmsg+0xcd/0x170 [ 2961.169878][ T10] do_syscall_64+0xc6/0x1e0 [ 2961.169878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2961.169878][ T10] [ 2961.172069][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2961.172069][ T10] netdev_get_by_index+0x5e/0x80 [ 2961.172069][ T10] fib6_nh_init+0x3d8/0x1580 [ 2961.172069][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2961.172069][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2961.172069][ T10] ipv6_add_addr+0x411/0x2000 [ 2961.172069][ T10] inet6_addr_add+0x30e/0xa40 [ 2961.172069][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2961.172069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2961.172069][ T10] netlink_rcv_skb+0x130/0x360 [ 2961.172069][ T10] netlink_unicast+0x449/0x710 [ 2961.172069][ T10] netlink_sendmsg+0x723/0xbe0 [ 2961.172069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2961.172069][ T10] ___sys_sendmsg+0xee/0x170 [ 2961.172069][ T10] __sys_sendmsg+0xcd/0x170 [ 2961.172069][ T10] do_syscall_64+0xc6/0x1e0 [ 2961.172069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2961.172069][ T10] [ 2961.174298][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2961.174298][ T10] netdev_get_by_index+0x5e/0x80 [ 2961.174298][ T10] fib6_nh_init+0x3d8/0x1580 [ 2961.174298][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2961.174298][ T10] ip6_route_add+0x1c/0x140 [ 2961.174298][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2961.174298][ T10] addrconf_add_dev+0xe2/0x170 [ 2961.174298][ T10] inet6_addr_add+0x12f/0xa40 [ 2961.174298][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2961.174298][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2961.174298][ T10] netlink_rcv_skb+0x130/0x360 [ 2961.174298][ T10] netlink_unicast+0x449/0x710 [ 2961.174298][ T10] netlink_sendmsg+0x723/0xbe0 [ 2961.174298][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2961.174298][ T10] ___sys_sendmsg+0xee/0x170 [ 2961.174298][ T10] __sys_sendmsg+0xcd/0x170 [ 2961.174298][ T10] do_syscall_64+0xc6/0x1e0 [ 2961.174298][ T10] [ 2961.176434][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2961.176434][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2961.176434][ T10] ipv6_find_idev+0x102/0x170 [ 2961.176434][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2961.176434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2961.176434][ T10] netlink_rcv_skb+0x130/0x360 [ 2961.176434][ T10] netlink_unicast+0x449/0x710 [ 2961.176434][ T10] netlink_sendmsg+0x723/0xbe0 [ 2961.176434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2961.176434][ T10] ___sys_sendmsg+0xee/0x170 [ 2961.176434][ T10] __sys_sendmsg+0xcd/0x170 [ 2961.176434][ T10] do_syscall_64+0xc6/0x1e0 [ 2961.176434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2961.176434][ T10] [ 2961.178139][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2961.178139][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2961.178139][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2961.178139][ T10] ipv6_find_idev+0x102/0x170 [ 2961.178139][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2961.178139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2961.178139][ T10] netlink_rcv_skb+0x130/0x360 [ 2961.178139][ T10] netlink_unicast+0x449/0x710 [ 2961.178139][ T10] netlink_sendmsg+0x723/0xbe0 [ 2961.178139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2961.178139][ T10] ___sys_sendmsg+0xee/0x170 [ 2961.178139][ T10] __sys_sendmsg+0xcd/0x170 [ 2961.178139][ T10] do_syscall_64+0xc6/0x1e0 [ 2961.178139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2961.178139][ T10] [ 2961.180080][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2961.180322][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2961.180322][ T10] netdev_get_by_index+0x5e/0x80 [ 2961.180322][ T10] fib6_nh_init+0x3d8/0x1580 [ 2961.180322][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2961.180322][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2961.180322][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2961.180322][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2961.180322][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2961.180322][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2961.180322][ T10] addrconf_dad_begin+0x310/0x670 [ 2961.180322][ T10] addrconf_dad_work+0x10b/0xab0 [ 2961.180322][ T10] process_one_work+0x84d/0x18a0 [ 2961.180322][ T10] worker_thread+0x587/0xd30 [ 2961.180322][ T10] kthread+0x28a/0x350 [ 2961.180322][ T10] ret_from_fork+0x31/0x70 [ 2961.180322][ T10] ret_from_fork_asm+0x1a/0x30 [ 2961.180322][ T10] [ 2961.182401][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2961.182401][ T10] netdev_get_by_index+0x5e/0x80 [ 2961.182401][ T10] fib6_nh_init+0x3d8/0x1580 [ 2961.182401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2961.182401][ T10] ip6_route_add+0x1c/0x140 [ 2961.182401][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2961.182401][ T10] inet6_addr_add+0x4f8/0xa40 [ 2961.182401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2961.182401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2961.182401][ T10] netlink_rcv_skb+0x130/0x360 [ 2961.182401][ T10] netlink_unicast+0x449/0x710 [ 2961.182401][ T10] netlink_sendmsg+0x723/0xbe0 [ 2961.182401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2961.182401][ T10] ___sys_sendmsg+0xee/0x170 [ 2961.182401][ T10] __sys_sendmsg+0xcd/0x170 [ 2961.182401][ T10] do_syscall_64+0xc6/0x1e0 [ 2961.182401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2961.182401][ T10] [ 2961.184578][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2961.184578][ T10] netdev_get_by_index+0x5e/0x80 [ 2961.184578][ T10] fib6_nh_init+0x3d8/0x1580 [ 2961.184578][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2961.184578][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2961.184578][ T10] ipv6_add_addr+0x411/0x2000 [ 2961.184578][ T10] inet6_addr_add+0x30e/0xa40 [ 2961.184578][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2961.184578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2961.184578][ T10] netlink_rcv_skb+0x130/0x360 [ 2961.184578][ T10] netlink_unicast+0x449/0x710 [ 2961.184578][ T10] netlink_sendmsg+0x723/0xbe0 [ 2961.184578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2961.184578][ T10] ___sys_sendmsg+0xee/0x170 [ 2961.184578][ T10] __sys_sendmsg+0xcd/0x170 [ 2961.184578][ T10] do_syscall_64+0xc6/0x1e0 [ 2961.184578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2961.184578][ T10] [ 2961.186737][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2961.186737][ T10] netdev_get_by_index+0x5e/0x80 [ 2961.186737][ T10] fib6_nh_init+0x3d8/0x1580 [ 2961.186737][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2961.186737][ T10] ip6_route_add+0x1c/0x140 [ 2961.186737][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2961.186737][ T10] addrconf_add_dev+0xe2/0x170 [ 2961.186737][ T10] inet6_addr_add+0x12f/0xa40 [ 2961.186737][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2961.186737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2961.186737][ T10] netlink_rcv_skb+0x130/0x360 [ 2961.186737][ T10] netlink_unicast+0x449/0x710 [ 2961.186737][ T10] netlink_sendmsg+0x723/0xbe0 [ 2961.186737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2961.186737][ T10] ___sys_sendmsg+0xee/0x170 [ 2961.186737][ T10] __sys_sendmsg+0xcd/0x170 [ 2961.186737][ T10] do_syscall_64+0xc6/0x1e0 [ 2961.186737][ T10] [ 2961.188928][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2961.188928][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2961.188928][ T10] ipv6_find_idev+0x102/0x170 [ 2961.188928][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2961.188928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2961.188928][ T10] netlink_rcv_skb+0x130/0x360 [ 2961.188928][ T10] netlink_unicast+0x449/0x710 [ 2961.188928][ T10] netlink_sendmsg+0x723/0xbe0 [ 2961.188928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2961.188928][ T10] ___sys_sendmsg+0xee/0x170 [ 2961.188928][ T10] __sys_sendmsg+0xcd/0x170 [ 2961.188928][ T10] do_syscall_64+0xc6/0x1e0 [ 2961.188928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2961.188928][ T10] [ 2961.190633][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2961.190633][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2961.190633][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2961.190633][ T10] ipv6_find_idev+0x102/0x170 [ 2961.190633][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2961.190633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2961.190633][ T10] netlink_rcv_skb+0x130/0x360 [ 2961.190633][ T10] netlink_unicast+0x449/0x710 [ 2961.190633][ T10] netlink_sendmsg+0x723/0xbe0 [ 2961.190633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2961.190633][ T10] ___sys_sendmsg+0xee/0x170 [ 2961.190633][ T10] __sys_sendmsg+0xcd/0x170 [ 2961.190633][ T10] do_syscall_64+0xc6/0x1e0 [ 2961.190633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2961.190633][ T10] [ 2963.649077][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2963.649484][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2963.649484][ T1167] dst_init+0x84/0x4a0 [ 2963.649484][ T1167] dst_alloc+0x97/0x150 [ 2963.649484][ T1167] ip6_dst_alloc+0x23/0x90 [ 2963.649484][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2963.649484][ T1167] ip6_pol_route+0x56f/0x840 [ 2963.649484][ T1167] fib6_rule_lookup+0x334/0x630 [ 2963.649484][ T1167] ip6_route_output_flags+0x259/0x480 [ 2963.649484][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2963.649484][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2963.649484][ T1167] netlink_rcv_skb+0x130/0x360 [ 2963.649484][ T1167] netlink_unicast+0x449/0x710 [ 2963.649484][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2963.649484][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2963.649484][ T1167] ___sys_sendmsg+0xee/0x170 [ 2963.649484][ T1167] __sys_sendmsg+0xcd/0x170 [ 2963.649484][ T1167] do_syscall_64+0xc6/0x1e0 [ 2963.649484][ T1167] [ 2963.651680][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2963.651680][ T1167] netdev_get_by_index+0x5e/0x80 [ 2963.651680][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2963.651680][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2963.651680][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2963.651680][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2963.651680][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2963.651680][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2963.651680][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2963.651680][ T1167] addrconf_dad_begin+0x310/0x670 [ 2963.651680][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2963.651680][ T1167] process_one_work+0x84d/0x18a0 [ 2963.651680][ T1167] worker_thread+0x587/0xd30 [ 2963.651680][ T1167] kthread+0x28a/0x350 [ 2963.651680][ T1167] ret_from_fork+0x31/0x70 [ 2963.651680][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2963.651680][ T1167] [ 2963.653823][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2963.653823][ T1167] netdev_get_by_index+0x5e/0x80 [ 2963.653823][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2963.653823][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2963.653823][ T1167] ip6_route_add+0x1c/0x140 [ 2963.653823][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2963.653823][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2963.653823][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2963.653823][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.653823][ T1167] netlink_rcv_skb+0x130/0x360 [ 2963.653823][ T1167] netlink_unicast+0x449/0x710 [ 2963.653823][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2963.653823][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2963.653823][ T1167] ___sys_sendmsg+0xee/0x170 [ 2963.653823][ T1167] __sys_sendmsg+0xcd/0x170 [ 2963.653823][ T1167] do_syscall_64+0xc6/0x1e0 [ 2963.653823][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.653823][ T1167] [ 2963.656074][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2963.656074][ T1167] netdev_get_by_index+0x5e/0x80 [ 2963.656074][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2963.656074][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2963.656074][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2963.656074][ T1167] ipv6_add_addr+0x411/0x2000 [ 2963.656074][ T1167] inet6_addr_add+0x30e/0xa40 [ 2963.656074][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2963.656074][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.656074][ T1167] netlink_rcv_skb+0x130/0x360 [ 2963.656074][ T1167] netlink_unicast+0x449/0x710 [ 2963.656074][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2963.656074][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2963.656074][ T1167] ___sys_sendmsg+0xee/0x170 [ 2963.656074][ T1167] __sys_sendmsg+0xcd/0x170 [ 2963.656074][ T1167] do_syscall_64+0xc6/0x1e0 [ 2963.656074][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.656074][ T1167] [ 2963.658312][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2963.658312][ T1167] netdev_get_by_index+0x5e/0x80 [ 2963.658312][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2963.658312][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2963.658312][ T1167] ip6_route_add+0x1c/0x140 [ 2963.658312][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2963.658312][ T1167] addrconf_add_dev+0xe2/0x170 [ 2963.658312][ T1167] inet6_addr_add+0x12f/0xa40 [ 2963.658312][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2963.658312][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.658312][ T1167] netlink_rcv_skb+0x130/0x360 [ 2963.658312][ T1167] netlink_unicast+0x449/0x710 [ 2963.658312][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2963.658312][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2963.658312][ T1167] ___sys_sendmsg+0xee/0x170 [ 2963.658312][ T1167] __sys_sendmsg+0xcd/0x170 [ 2963.658312][ T1167] do_syscall_64+0xc6/0x1e0 [ 2963.658312][ T1167] [ 2963.660533][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2963.660533][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2963.660533][ T1167] ipv6_find_idev+0x102/0x170 [ 2963.660533][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2963.660533][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.660533][ T1167] netlink_rcv_skb+0x130/0x360 [ 2963.660533][ T1167] netlink_unicast+0x449/0x710 [ 2963.660533][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2963.660533][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2963.660533][ T1167] ___sys_sendmsg+0xee/0x170 [ 2963.660533][ T1167] __sys_sendmsg+0xcd/0x170 [ 2963.660533][ T1167] do_syscall_64+0xc6/0x1e0 [ 2963.660533][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.660533][ T1167] [ 2963.662258][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2963.662258][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2963.662258][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2963.662258][ T1167] ipv6_find_idev+0x102/0x170 [ 2963.662258][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2963.662258][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.662258][ T1167] netlink_rcv_skb+0x130/0x360 [ 2963.662258][ T1167] netlink_unicast+0x449/0x710 [ 2963.662258][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2963.662258][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2963.662258][ T1167] ___sys_sendmsg+0xee/0x170 [ 2963.662258][ T1167] __sys_sendmsg+0xcd/0x170 [ 2963.662258][ T1167] do_syscall_64+0xc6/0x1e0 [ 2963.662258][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.662258][ T1167] [ 2971.433167][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2971.433522][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2971.433522][ T10] netdev_get_by_index+0x5e/0x80 [ 2971.433522][ T10] fib6_nh_init+0x3d8/0x1580 [ 2971.433522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2971.433522][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2971.433522][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2971.433522][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2971.433522][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2971.433522][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2971.433522][ T10] addrconf_dad_begin+0x310/0x670 [ 2971.433522][ T10] addrconf_dad_work+0x10b/0xab0 [ 2971.433522][ T10] process_one_work+0x84d/0x18a0 [ 2971.433522][ T10] worker_thread+0x587/0xd30 [ 2971.433522][ T10] kthread+0x28a/0x350 [ 2971.433522][ T10] ret_from_fork+0x31/0x70 [ 2971.433522][ T10] ret_from_fork_asm+0x1a/0x30 [ 2971.433522][ T10] [ 2971.435560][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2971.435560][ T10] netdev_get_by_index+0x5e/0x80 [ 2971.435560][ T10] fib6_nh_init+0x3d8/0x1580 [ 2971.435560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2971.435560][ T10] ip6_route_add+0x1c/0x140 [ 2971.435560][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2971.435560][ T10] inet6_addr_add+0x4f8/0xa40 [ 2971.435560][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2971.435560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2971.435560][ T10] netlink_rcv_skb+0x130/0x360 [ 2971.435560][ T10] netlink_unicast+0x449/0x710 [ 2971.435560][ T10] netlink_sendmsg+0x723/0xbe0 [ 2971.435560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2971.435560][ T10] ___sys_sendmsg+0xee/0x170 [ 2971.435560][ T10] __sys_sendmsg+0xcd/0x170 [ 2971.435560][ T10] do_syscall_64+0xc6/0x1e0 [ 2971.435560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2971.435560][ T10] [ 2971.437548][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2971.437548][ T10] netdev_get_by_index+0x5e/0x80 [ 2971.437548][ T10] fib6_nh_init+0x3d8/0x1580 [ 2971.437548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2971.437548][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2971.437548][ T10] ipv6_add_addr+0x411/0x2000 [ 2971.437548][ T10] inet6_addr_add+0x30e/0xa40 [ 2971.437548][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2971.437548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2971.437548][ T10] netlink_rcv_skb+0x130/0x360 [ 2971.437548][ T10] netlink_unicast+0x449/0x710 [ 2971.437548][ T10] netlink_sendmsg+0x723/0xbe0 [ 2971.437548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2971.437548][ T10] ___sys_sendmsg+0xee/0x170 [ 2971.437548][ T10] __sys_sendmsg+0xcd/0x170 [ 2971.437548][ T10] do_syscall_64+0xc6/0x1e0 [ 2971.437548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2971.437548][ T10] [ 2971.439523][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2971.439523][ T10] netdev_get_by_index+0x5e/0x80 [ 2971.439523][ T10] fib6_nh_init+0x3d8/0x1580 [ 2971.439523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2971.439523][ T10] ip6_route_add+0x1c/0x140 [ 2971.439523][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2971.439523][ T10] addrconf_add_dev+0xe2/0x170 [ 2971.439523][ T10] inet6_addr_add+0x12f/0xa40 [ 2971.439523][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2971.439523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2971.439523][ T10] netlink_rcv_skb+0x130/0x360 [ 2971.439523][ T10] netlink_unicast+0x449/0x710 [ 2971.439523][ T10] netlink_sendmsg+0x723/0xbe0 [ 2971.439523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2971.439523][ T10] ___sys_sendmsg+0xee/0x170 [ 2971.439523][ T10] __sys_sendmsg+0xcd/0x170 [ 2971.439523][ T10] do_syscall_64+0xc6/0x1e0 [ 2971.439523][ T10] [ 2971.441471][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2971.441471][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2971.441471][ T10] ipv6_find_idev+0x102/0x170 [ 2971.441471][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2971.441471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2971.441471][ T10] netlink_rcv_skb+0x130/0x360 [ 2971.441471][ T10] netlink_unicast+0x449/0x710 [ 2971.441471][ T10] netlink_sendmsg+0x723/0xbe0 [ 2971.441471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2971.441471][ T10] ___sys_sendmsg+0xee/0x170 [ 2971.441471][ T10] __sys_sendmsg+0xcd/0x170 [ 2971.441471][ T10] do_syscall_64+0xc6/0x1e0 [ 2971.441471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2971.441471][ T10] [ 2971.442998][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2971.442998][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2971.442998][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2971.442998][ T10] ipv6_find_idev+0x102/0x170 [ 2971.442998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2971.442998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2971.442998][ T10] netlink_rcv_skb+0x130/0x360 [ 2971.442998][ T10] netlink_unicast+0x449/0x710 [ 2971.442998][ T10] netlink_sendmsg+0x723/0xbe0 [ 2971.442998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2971.442998][ T10] ___sys_sendmsg+0xee/0x170 [ 2971.442998][ T10] __sys_sendmsg+0xcd/0x170 [ 2971.442998][ T10] do_syscall_64+0xc6/0x1e0 [ 2971.442998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2971.442998][ T10] [ 2971.444672][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2971.444915][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2971.444915][ T10] netdev_get_by_index+0x5e/0x80 [ 2971.444915][ T10] fib6_nh_init+0x3d8/0x1580 [ 2971.444915][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2971.444915][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2971.444915][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2971.444915][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2971.444915][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2971.444915][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2971.444915][ T10] addrconf_dad_begin+0x310/0x670 [ 2971.444915][ T10] addrconf_dad_work+0x10b/0xab0 [ 2971.444915][ T10] process_one_work+0x84d/0x18a0 [ 2971.444915][ T10] worker_thread+0x587/0xd30 [ 2971.444915][ T10] kthread+0x28a/0x350 [ 2971.444915][ T10] ret_from_fork+0x31/0x70 [ 2971.444915][ T10] ret_from_fork_asm+0x1a/0x30 [ 2971.444915][ T10] [ 2971.446796][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2971.446796][ T10] netdev_get_by_index+0x5e/0x80 [ 2971.446796][ T10] fib6_nh_init+0x3d8/0x1580 [ 2971.446796][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2971.446796][ T10] ip6_route_add+0x1c/0x140 [ 2971.446796][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2971.446796][ T10] inet6_addr_add+0x4f8/0xa40 [ 2971.446796][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2971.446796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2971.446796][ T10] netlink_rcv_skb+0x130/0x360 [ 2971.446796][ T10] netlink_unicast+0x449/0x710 [ 2971.446796][ T10] netlink_sendmsg+0x723/0xbe0 [ 2971.446796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2971.446796][ T10] ___sys_sendmsg+0xee/0x170 [ 2971.446796][ T10] __sys_sendmsg+0xcd/0x170 [ 2971.446796][ T10] do_syscall_64+0xc6/0x1e0 [ 2971.446796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2971.446796][ T10] [ 2971.448783][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2971.448783][ T10] netdev_get_by_index+0x5e/0x80 [ 2971.448783][ T10] fib6_nh_init+0x3d8/0x1580 [ 2971.448783][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2971.448783][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2971.448783][ T10] ipv6_add_addr+0x411/0x2000 [ 2971.448783][ T10] inet6_addr_add+0x30e/0xa40 [ 2971.448783][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2971.448783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2971.448783][ T10] netlink_rcv_skb+0x130/0x360 [ 2971.448783][ T10] netlink_unicast+0x449/0x710 [ 2971.448783][ T10] netlink_sendmsg+0x723/0xbe0 [ 2971.448783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2971.448783][ T10] ___sys_sendmsg+0xee/0x170 [ 2971.448783][ T10] __sys_sendmsg+0xcd/0x170 [ 2971.448783][ T10] do_syscall_64+0xc6/0x1e0 [ 2971.448783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2971.448783][ T10] [ 2971.450753][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2971.450753][ T10] netdev_get_by_index+0x5e/0x80 [ 2971.450753][ T10] fib6_nh_init+0x3d8/0x1580 [ 2971.450753][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2971.450753][ T10] ip6_route_add+0x1c/0x140 [ 2971.450753][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2971.450753][ T10] addrconf_add_dev+0xe2/0x170 [ 2971.450753][ T10] inet6_addr_add+0x12f/0xa40 [ 2971.450753][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2971.450753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2971.450753][ T10] netlink_rcv_skb+0x130/0x360 [ 2971.450753][ T10] netlink_unicast+0x449/0x710 [ 2971.450753][ T10] netlink_sendmsg+0x723/0xbe0 [ 2971.450753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2971.450753][ T10] ___sys_sendmsg+0xee/0x170 [ 2971.450753][ T10] __sys_sendmsg+0xcd/0x170 [ 2971.450753][ T10] do_syscall_64+0xc6/0x1e0 [ 2971.450753][ T10] [ 2971.452688][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2971.452688][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2971.452688][ T10] ipv6_find_idev+0x102/0x170 [ 2971.452688][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2971.452688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2971.452688][ T10] netlink_rcv_skb+0x130/0x360 [ 2971.452688][ T10] netlink_unicast+0x449/0x710 [ 2971.452688][ T10] netlink_sendmsg+0x723/0xbe0 [ 2971.452688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2971.452688][ T10] ___sys_sendmsg+0xee/0x170 [ 2971.452688][ T10] __sys_sendmsg+0xcd/0x170 [ 2971.452688][ T10] do_syscall_64+0xc6/0x1e0 [ 2971.452688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2971.452688][ T10] [ 2971.454204][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2971.454204][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2971.454204][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2971.454204][ T10] ipv6_find_idev+0x102/0x170 [ 2971.454204][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2971.454204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2971.454204][ T10] netlink_rcv_skb+0x130/0x360 [ 2971.454204][ T10] netlink_unicast+0x449/0x710 [ 2971.454204][ T10] netlink_sendmsg+0x723/0xbe0 [ 2971.454204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2971.454204][ T10] ___sys_sendmsg+0xee/0x170 [ 2971.454204][ T10] __sys_sendmsg+0xcd/0x170 [ 2971.454204][ T10] do_syscall_64+0xc6/0x1e0 [ 2971.454204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2971.454204][ T10] [ 2971.455852][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2971.456099][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2971.456099][ T10] netdev_get_by_index+0x5e/0x80 [ 2971.456099][ T10] fib6_nh_init+0x3d8/0x1580 [ 2971.456099][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2971.456099][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2971.456099][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2971.456099][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2971.456099][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2971.456099][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2971.456099][ T10] addrconf_dad_begin+0x310/0x670 [ 2971.456099][ T10] addrconf_dad_work+0x10b/0xab0 [ 2971.456099][ T10] process_one_work+0x84d/0x18a0 [ 2971.456099][ T10] worker_thread+0x587/0xd30 [ 2971.456099][ T10] kthread+0x28a/0x350 [ 2971.456099][ T10] ret_from_fork+0x31/0x70 [ 2971.456099][ T10] ret_from_fork_asm+0x1a/0x30 [ 2971.456099][ T10] [ 2971.457978][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2971.457978][ T10] netdev_get_by_index+0x5e/0x80 [ 2971.457978][ T10] fib6_nh_init+0x3d8/0x1580 [ 2971.457978][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2971.457978][ T10] ip6_route_add+0x1c/0x140 [ 2971.457978][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2971.457978][ T10] inet6_addr_add+0x4f8/0xa40 [ 2971.457978][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2971.457978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2971.457978][ T10] netlink_rcv_skb+0x130/0x360 [ 2971.457978][ T10] netlink_unicast+0x449/0x710 [ 2971.457978][ T10] netlink_sendmsg+0x723/0xbe0 [ 2971.457978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2971.457978][ T10] ___sys_sendmsg+0xee/0x170 [ 2971.457978][ T10] __sys_sendmsg+0xcd/0x170 [ 2971.457978][ T10] do_syscall_64+0xc6/0x1e0 [ 2971.457978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2971.457978][ T10] [ 2971.460130][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2971.460130][ T10] netdev_get_by_index+0x5e/0x80 [ 2971.460130][ T10] fib6_nh_init+0x3d8/0x1580 [ 2971.460130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2971.460130][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2971.460130][ T10] ipv6_add_addr+0x411/0x2000 [ 2971.460130][ T10] inet6_addr_add+0x30e/0xa40 [ 2971.460130][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2971.460130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2971.460130][ T10] netlink_rcv_skb+0x130/0x360 [ 2971.460130][ T10] netlink_unicast+0x449/0x710 [ 2971.460130][ T10] netlink_sendmsg+0x723/0xbe0 [ 2971.460130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2971.460130][ T10] ___sys_sendmsg+0xee/0x170 [ 2971.460130][ T10] __sys_sendmsg+0xcd/0x170 [ 2971.460130][ T10] do_syscall_64+0xc6/0x1e0 [ 2971.460130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2971.460130][ T10] [ 2971.462401][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2971.462401][ T10] netdev_get_by_index+0x5e/0x80 [ 2971.462401][ T10] fib6_nh_init+0x3d8/0x1580 [ 2971.462401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2971.462401][ T10] ip6_route_add+0x1c/0x140 [ 2971.462401][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2971.462401][ T10] addrconf_add_dev+0xe2/0x170 [ 2971.462401][ T10] inet6_addr_add+0x12f/0xa40 [ 2971.462401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2971.462401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2971.462401][ T10] netlink_rcv_skb+0x130/0x360 [ 2971.462401][ T10] netlink_unicast+0x449/0x710 [ 2971.462401][ T10] netlink_sendmsg+0x723/0xbe0 [ 2971.462401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2971.462401][ T10] ___sys_sendmsg+0xee/0x170 [ 2971.462401][ T10] __sys_sendmsg+0xcd/0x170 [ 2971.462401][ T10] do_syscall_64+0xc6/0x1e0 [ 2971.462401][ T10] [ 2971.464542][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2971.464542][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2971.464542][ T10] ipv6_find_idev+0x102/0x170 [ 2971.464542][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2971.464542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2971.464542][ T10] netlink_rcv_skb+0x130/0x360 [ 2971.464542][ T10] netlink_unicast+0x449/0x710 [ 2971.464542][ T10] netlink_sendmsg+0x723/0xbe0 [ 2971.464542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2971.464542][ T10] ___sys_sendmsg+0xee/0x170 [ 2971.464542][ T10] __sys_sendmsg+0xcd/0x170 [ 2971.464542][ T10] do_syscall_64+0xc6/0x1e0 [ 2971.464542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2971.464542][ T10] [ 2971.466176][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2971.466176][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2971.466176][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2971.466176][ T10] ipv6_find_idev+0x102/0x170 [ 2971.466176][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2971.466176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2971.466176][ T10] netlink_rcv_skb+0x130/0x360 [ 2971.466176][ T10] netlink_unicast+0x449/0x710 [ 2971.466176][ T10] netlink_sendmsg+0x723/0xbe0 [ 2971.466176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2971.466176][ T10] ___sys_sendmsg+0xee/0x170 [ 2971.466176][ T10] __sys_sendmsg+0xcd/0x170 [ 2971.466176][ T10] do_syscall_64+0xc6/0x1e0 [ 2971.466176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2971.466176][ T10] [ 2971.468073][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2971.468303][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2971.468303][ T10] netdev_get_by_index+0x5e/0x80 [ 2971.468303][ T10] fib6_nh_init+0x3d8/0x1580 [ 2971.468303][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2971.468303][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2971.468303][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2971.468303][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2971.468303][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2971.468303][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2971.468303][ T10] addrconf_dad_begin+0x310/0x670 [ 2971.468303][ T10] addrconf_dad_work+0x10b/0xab0 [ 2971.468303][ T10] process_one_work+0x84d/0x18a0 [ 2971.468303][ T10] worker_thread+0x587/0xd30 [ 2971.468303][ T10] kthread+0x28a/0x350 [ 2971.468303][ T10] ret_from_fork+0x31/0x70 [ 2971.468303][ T10] ret_from_fork_asm+0x1a/0x30 [ 2971.468303][ T10] [ 2971.470429][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2971.470429][ T10] netdev_get_by_index+0x5e/0x80 [ 2971.470429][ T10] fib6_nh_init+0x3d8/0x1580 [ 2971.470429][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2971.470429][ T10] ip6_route_add+0x1c/0x140 [ 2971.470429][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2971.470429][ T10] inet6_addr_add+0x4f8/0xa40 [ 2971.470429][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2971.470429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2971.470429][ T10] netlink_rcv_skb+0x130/0x360 [ 2971.470429][ T10] netlink_unicast+0x449/0x710 [ 2971.470429][ T10] netlink_sendmsg+0x723/0xbe0 [ 2971.470429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2971.470429][ T10] ___sys_sendmsg+0xee/0x170 [ 2971.470429][ T10] __sys_sendmsg+0xcd/0x170 [ 2971.470429][ T10] do_syscall_64+0xc6/0x1e0 [ 2971.470429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2971.470429][ T10] [ 2971.472576][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2971.472576][ T10] netdev_get_by_index+0x5e/0x80 [ 2971.472576][ T10] fib6_nh_init+0x3d8/0x1580 [ 2971.472576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2971.472576][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2971.472576][ T10] ipv6_add_addr+0x411/0x2000 [ 2971.472576][ T10] inet6_addr_add+0x30e/0xa40 [ 2971.472576][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2971.472576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2971.472576][ T10] netlink_rcv_skb+0x130/0x360 [ 2971.472576][ T10] netlink_unicast+0x449/0x710 [ 2971.472576][ T10] netlink_sendmsg+0x723/0xbe0 [ 2971.472576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2971.472576][ T10] ___sys_sendmsg+0xee/0x170 [ 2971.472576][ T10] __sys_sendmsg+0xcd/0x170 [ 2971.472576][ T10] do_syscall_64+0xc6/0x1e0 [ 2971.472576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2971.472576][ T10] [ 2971.475304][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2971.475304][ T10] netdev_get_by_index+0x5e/0x80 [ 2971.475304][ T10] fib6_nh_init+0x3d8/0x1580 [ 2971.475304][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2971.475304][ T10] ip6_route_add+0x1c/0x140 [ 2971.475304][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2971.475304][ T10] addrconf_add_dev+0xe2/0x170 [ 2971.475304][ T10] inet6_addr_add+0x12f/0xa40 [ 2971.475304][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2971.475304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2971.475304][ T10] netlink_rcv_skb+0x130/0x360 [ 2971.475304][ T10] netlink_unicast+0x449/0x710 [ 2971.475304][ T10] netlink_sendmsg+0x723/0xbe0 [ 2971.475304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2971.475304][ T10] ___sys_sendmsg+0xee/0x170 [ 2971.475304][ T10] __sys_sendmsg+0xcd/0x170 [ 2971.475304][ T10] do_syscall_64+0xc6/0x1e0 [ 2971.475304][ T10] [ 2971.477434][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2971.477434][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2971.477434][ T10] ipv6_find_idev+0x102/0x170 [ 2971.477434][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2971.477434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2971.477434][ T10] netlink_rcv_skb+0x130/0x360 [ 2971.477434][ T10] netlink_unicast+0x449/0x710 [ 2971.477434][ T10] netlink_sendmsg+0x723/0xbe0 [ 2971.477434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2971.477434][ T10] ___sys_sendmsg+0xee/0x170 [ 2971.477434][ T10] __sys_sendmsg+0xcd/0x170 [ 2971.477434][ T10] do_syscall_64+0xc6/0x1e0 [ 2971.477434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2971.477434][ T10] [ 2971.479154][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2971.479154][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2971.479154][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2971.479154][ T10] ipv6_find_idev+0x102/0x170 [ 2971.479154][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2971.479154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2971.479154][ T10] netlink_rcv_skb+0x130/0x360 [ 2971.479154][ T10] netlink_unicast+0x449/0x710 [ 2971.479154][ T10] netlink_sendmsg+0x723/0xbe0 [ 2971.479154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2971.479154][ T10] ___sys_sendmsg+0xee/0x170 [ 2971.479154][ T10] __sys_sendmsg+0xcd/0x170 [ 2971.479154][ T10] do_syscall_64+0xc6/0x1e0 [ 2971.479154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2971.479154][ T10] [ 2973.913126][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2973.913542][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2973.913542][ T1167] dst_init+0x84/0x4a0 [ 2973.913542][ T1167] dst_alloc+0x97/0x150 [ 2973.913542][ T1167] ip6_dst_alloc+0x23/0x90 [ 2973.913542][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2973.913542][ T1167] ip6_pol_route+0x56f/0x840 [ 2973.913542][ T1167] fib6_rule_lookup+0x334/0x630 [ 2973.913542][ T1167] ip6_route_output_flags+0x259/0x480 [ 2973.913542][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2973.913542][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2973.913542][ T1167] netlink_rcv_skb+0x130/0x360 [ 2973.913542][ T1167] netlink_unicast+0x449/0x710 [ 2973.913542][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2973.913542][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2973.913542][ T1167] ___sys_sendmsg+0xee/0x170 [ 2973.913542][ T1167] __sys_sendmsg+0xcd/0x170 [ 2973.913542][ T1167] do_syscall_64+0xc6/0x1e0 [ 2973.913542][ T1167] [ 2973.915740][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2973.915740][ T1167] netdev_get_by_index+0x5e/0x80 [ 2973.915740][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2973.915740][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2973.915740][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2973.915740][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2973.915740][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2973.915740][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2973.915740][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2973.915740][ T1167] addrconf_dad_begin+0x310/0x670 [ 2973.915740][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2973.915740][ T1167] process_one_work+0x84d/0x18a0 [ 2973.915740][ T1167] worker_thread+0x587/0xd30 [ 2973.915740][ T1167] kthread+0x28a/0x350 [ 2973.915740][ T1167] ret_from_fork+0x31/0x70 [ 2973.915740][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2973.915740][ T1167] [ 2973.917883][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2973.917883][ T1167] netdev_get_by_index+0x5e/0x80 [ 2973.917883][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2973.917883][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2973.917883][ T1167] ip6_route_add+0x1c/0x140 [ 2973.917883][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2973.917883][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2973.917883][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2973.917883][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2973.917883][ T1167] netlink_rcv_skb+0x130/0x360 [ 2973.917883][ T1167] netlink_unicast+0x449/0x710 [ 2973.917883][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2973.917883][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2973.917883][ T1167] ___sys_sendmsg+0xee/0x170 [ 2973.917883][ T1167] __sys_sendmsg+0xcd/0x170 [ 2973.917883][ T1167] do_syscall_64+0xc6/0x1e0 [ 2973.917883][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2973.917883][ T1167] [ 2973.920114][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2973.920114][ T1167] netdev_get_by_index+0x5e/0x80 [ 2973.920114][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2973.920114][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2973.920114][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2973.920114][ T1167] ipv6_add_addr+0x411/0x2000 [ 2973.920114][ T1167] inet6_addr_add+0x30e/0xa40 [ 2973.920114][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2973.920114][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2973.920114][ T1167] netlink_rcv_skb+0x130/0x360 [ 2973.920114][ T1167] netlink_unicast+0x449/0x710 [ 2973.920114][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2973.920114][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2973.920114][ T1167] ___sys_sendmsg+0xee/0x170 [ 2973.920114][ T1167] __sys_sendmsg+0xcd/0x170 [ 2973.920114][ T1167] do_syscall_64+0xc6/0x1e0 [ 2973.920114][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2973.920114][ T1167] [ 2973.922345][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2973.922345][ T1167] netdev_get_by_index+0x5e/0x80 [ 2973.922345][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2973.922345][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2973.922345][ T1167] ip6_route_add+0x1c/0x140 [ 2973.922345][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2973.922345][ T1167] addrconf_add_dev+0xe2/0x170 [ 2973.922345][ T1167] inet6_addr_add+0x12f/0xa40 [ 2973.922345][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2973.922345][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2973.922345][ T1167] netlink_rcv_skb+0x130/0x360 [ 2973.922345][ T1167] netlink_unicast+0x449/0x710 [ 2973.922345][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2973.922345][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2973.922345][ T1167] ___sys_sendmsg+0xee/0x170 [ 2973.922345][ T1167] __sys_sendmsg+0xcd/0x170 [ 2973.922345][ T1167] do_syscall_64+0xc6/0x1e0 [ 2973.922345][ T1167] [ 2973.924566][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2973.924566][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2973.924566][ T1167] ipv6_find_idev+0x102/0x170 [ 2973.924566][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2973.924566][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2973.924566][ T1167] netlink_rcv_skb+0x130/0x360 [ 2973.924566][ T1167] netlink_unicast+0x449/0x710 [ 2973.924566][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2973.924566][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2973.924566][ T1167] ___sys_sendmsg+0xee/0x170 [ 2973.924566][ T1167] __sys_sendmsg+0xcd/0x170 [ 2973.924566][ T1167] do_syscall_64+0xc6/0x1e0 [ 2973.924566][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2973.924566][ T1167] [ 2973.926287][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2973.926287][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2973.926287][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2973.926287][ T1167] ipv6_find_idev+0x102/0x170 [ 2973.926287][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2973.926287][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2973.926287][ T1167] netlink_rcv_skb+0x130/0x360 [ 2973.926287][ T1167] netlink_unicast+0x449/0x710 [ 2973.926287][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2973.926287][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2973.926287][ T1167] ___sys_sendmsg+0xee/0x170 [ 2973.926287][ T1167] __sys_sendmsg+0xcd/0x170 [ 2973.926287][ T1167] do_syscall_64+0xc6/0x1e0 [ 2973.926287][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2973.926287][ T1167] [ 2981.721096][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2981.721439][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2981.721439][ T10] netdev_get_by_index+0x5e/0x80 [ 2981.721439][ T10] fib6_nh_init+0x3d8/0x1580 [ 2981.721439][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2981.721439][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2981.721439][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2981.721439][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2981.721439][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2981.721439][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2981.721439][ T10] addrconf_dad_begin+0x310/0x670 [ 2981.721439][ T10] addrconf_dad_work+0x10b/0xab0 [ 2981.721439][ T10] process_one_work+0x84d/0x18a0 [ 2981.721439][ T10] worker_thread+0x587/0xd30 [ 2981.721439][ T10] kthread+0x28a/0x350 [ 2981.721439][ T10] ret_from_fork+0x31/0x70 [ 2981.721439][ T10] ret_from_fork_asm+0x1a/0x30 [ 2981.721439][ T10] [ 2981.723453][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2981.723453][ T10] netdev_get_by_index+0x5e/0x80 [ 2981.723453][ T10] fib6_nh_init+0x3d8/0x1580 [ 2981.723453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2981.723453][ T10] ip6_route_add+0x1c/0x140 [ 2981.723453][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2981.723453][ T10] inet6_addr_add+0x4f8/0xa40 [ 2981.723453][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2981.723453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2981.723453][ T10] netlink_rcv_skb+0x130/0x360 [ 2981.723453][ T10] netlink_unicast+0x449/0x710 [ 2981.723453][ T10] netlink_sendmsg+0x723/0xbe0 [ 2981.723453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2981.723453][ T10] ___sys_sendmsg+0xee/0x170 [ 2981.723453][ T10] __sys_sendmsg+0xcd/0x170 [ 2981.723453][ T10] do_syscall_64+0xc6/0x1e0 [ 2981.723453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2981.723453][ T10] [ 2981.725447][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2981.725447][ T10] netdev_get_by_index+0x5e/0x80 [ 2981.725447][ T10] fib6_nh_init+0x3d8/0x1580 [ 2981.725447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2981.725447][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2981.725447][ T10] ipv6_add_addr+0x411/0x2000 [ 2981.725447][ T10] inet6_addr_add+0x30e/0xa40 [ 2981.725447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2981.725447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2981.725447][ T10] netlink_rcv_skb+0x130/0x360 [ 2981.725447][ T10] netlink_unicast+0x449/0x710 [ 2981.725447][ T10] netlink_sendmsg+0x723/0xbe0 [ 2981.725447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2981.725447][ T10] ___sys_sendmsg+0xee/0x170 [ 2981.725447][ T10] __sys_sendmsg+0xcd/0x170 [ 2981.725447][ T10] do_syscall_64+0xc6/0x1e0 [ 2981.725447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2981.725447][ T10] [ 2981.727434][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2981.727434][ T10] netdev_get_by_index+0x5e/0x80 [ 2981.727434][ T10] fib6_nh_init+0x3d8/0x1580 [ 2981.727434][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2981.727434][ T10] ip6_route_add+0x1c/0x140 [ 2981.727434][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2981.727434][ T10] addrconf_add_dev+0xe2/0x170 [ 2981.727434][ T10] inet6_addr_add+0x12f/0xa40 [ 2981.727434][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2981.727434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2981.727434][ T10] netlink_rcv_skb+0x130/0x360 [ 2981.727434][ T10] netlink_unicast+0x449/0x710 [ 2981.727434][ T10] netlink_sendmsg+0x723/0xbe0 [ 2981.727434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2981.727434][ T10] ___sys_sendmsg+0xee/0x170 [ 2981.727434][ T10] __sys_sendmsg+0xcd/0x170 [ 2981.727434][ T10] do_syscall_64+0xc6/0x1e0 [ 2981.727434][ T10] [ 2981.729375][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2981.729375][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2981.729375][ T10] ipv6_find_idev+0x102/0x170 [ 2981.729375][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2981.729375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2981.729375][ T10] netlink_rcv_skb+0x130/0x360 [ 2981.729375][ T10] netlink_unicast+0x449/0x710 [ 2981.729375][ T10] netlink_sendmsg+0x723/0xbe0 [ 2981.729375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2981.729375][ T10] ___sys_sendmsg+0xee/0x170 [ 2981.729375][ T10] __sys_sendmsg+0xcd/0x170 [ 2981.729375][ T10] do_syscall_64+0xc6/0x1e0 [ 2981.729375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2981.729375][ T10] [ 2981.730898][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2981.730898][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2981.730898][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2981.730898][ T10] ipv6_find_idev+0x102/0x170 [ 2981.730898][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2981.730898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2981.730898][ T10] netlink_rcv_skb+0x130/0x360 [ 2981.730898][ T10] netlink_unicast+0x449/0x710 [ 2981.730898][ T10] netlink_sendmsg+0x723/0xbe0 [ 2981.730898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2981.730898][ T10] ___sys_sendmsg+0xee/0x170 [ 2981.730898][ T10] __sys_sendmsg+0xcd/0x170 [ 2981.730898][ T10] do_syscall_64+0xc6/0x1e0 [ 2981.730898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2981.730898][ T10] [ 2981.732571][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2981.732812][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2981.732812][ T10] netdev_get_by_index+0x5e/0x80 [ 2981.732812][ T10] fib6_nh_init+0x3d8/0x1580 [ 2981.732812][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2981.732812][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2981.732812][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2981.732812][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2981.732812][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2981.732812][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2981.732812][ T10] addrconf_dad_begin+0x310/0x670 [ 2981.732812][ T10] addrconf_dad_work+0x10b/0xab0 [ 2981.732812][ T10] process_one_work+0x84d/0x18a0 [ 2981.732812][ T10] worker_thread+0x587/0xd30 [ 2981.732812][ T10] kthread+0x28a/0x350 [ 2981.732812][ T10] ret_from_fork+0x31/0x70 [ 2981.732812][ T10] ret_from_fork_asm+0x1a/0x30 [ 2981.732812][ T10] [ 2981.734714][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2981.734714][ T10] netdev_get_by_index+0x5e/0x80 [ 2981.734714][ T10] fib6_nh_init+0x3d8/0x1580 [ 2981.734714][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2981.734714][ T10] ip6_route_add+0x1c/0x140 [ 2981.734714][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2981.734714][ T10] inet6_addr_add+0x4f8/0xa40 [ 2981.734714][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2981.734714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2981.734714][ T10] netlink_rcv_skb+0x130/0x360 [ 2981.734714][ T10] netlink_unicast+0x449/0x710 [ 2981.734714][ T10] netlink_sendmsg+0x723/0xbe0 [ 2981.734714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2981.734714][ T10] ___sys_sendmsg+0xee/0x170 [ 2981.734714][ T10] __sys_sendmsg+0xcd/0x170 [ 2981.734714][ T10] do_syscall_64+0xc6/0x1e0 [ 2981.734714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2981.734714][ T10] [ 2981.736705][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2981.736705][ T10] netdev_get_by_index+0x5e/0x80 [ 2981.736705][ T10] fib6_nh_init+0x3d8/0x1580 [ 2981.736705][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2981.736705][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2981.736705][ T10] ipv6_add_addr+0x411/0x2000 [ 2981.736705][ T10] inet6_addr_add+0x30e/0xa40 [ 2981.736705][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2981.736705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2981.736705][ T10] netlink_rcv_skb+0x130/0x360 [ 2981.736705][ T10] netlink_unicast+0x449/0x710 [ 2981.736705][ T10] netlink_sendmsg+0x723/0xbe0 [ 2981.736705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2981.736705][ T10] ___sys_sendmsg+0xee/0x170 [ 2981.736705][ T10] __sys_sendmsg+0xcd/0x170 [ 2981.736705][ T10] do_syscall_64+0xc6/0x1e0 [ 2981.736705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2981.736705][ T10] [ 2981.738681][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2981.738681][ T10] netdev_get_by_index+0x5e/0x80 [ 2981.738681][ T10] fib6_nh_init+0x3d8/0x1580 [ 2981.738681][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2981.738681][ T10] ip6_route_add+0x1c/0x140 [ 2981.738681][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2981.738681][ T10] addrconf_add_dev+0xe2/0x170 [ 2981.738681][ T10] inet6_addr_add+0x12f/0xa40 [ 2981.738681][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2981.738681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2981.738681][ T10] netlink_rcv_skb+0x130/0x360 [ 2981.738681][ T10] netlink_unicast+0x449/0x710 [ 2981.738681][ T10] netlink_sendmsg+0x723/0xbe0 [ 2981.738681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2981.738681][ T10] ___sys_sendmsg+0xee/0x170 [ 2981.738681][ T10] __sys_sendmsg+0xcd/0x170 [ 2981.738681][ T10] do_syscall_64+0xc6/0x1e0 [ 2981.738681][ T10] [ 2981.741530][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2981.741530][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2981.741530][ T10] ipv6_find_idev+0x102/0x170 [ 2981.741530][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2981.741530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2981.741530][ T10] netlink_rcv_skb+0x130/0x360 [ 2981.741530][ T10] netlink_unicast+0x449/0x710 [ 2981.741530][ T10] netlink_sendmsg+0x723/0xbe0 [ 2981.741530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2981.741530][ T10] ___sys_sendmsg+0xee/0x170 [ 2981.741530][ T10] __sys_sendmsg+0xcd/0x170 [ 2981.741530][ T10] do_syscall_64+0xc6/0x1e0 [ 2981.741530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2981.741530][ T10] [ 2981.743060][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2981.743060][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2981.743060][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2981.743060][ T10] ipv6_find_idev+0x102/0x170 [ 2981.743060][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2981.743060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2981.743060][ T10] netlink_rcv_skb+0x130/0x360 [ 2981.743060][ T10] netlink_unicast+0x449/0x710 [ 2981.743060][ T10] netlink_sendmsg+0x723/0xbe0 [ 2981.743060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2981.743060][ T10] ___sys_sendmsg+0xee/0x170 [ 2981.743060][ T10] __sys_sendmsg+0xcd/0x170 [ 2981.743060][ T10] do_syscall_64+0xc6/0x1e0 [ 2981.743060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2981.743060][ T10] [ 2981.745105][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2981.745353][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2981.745353][ T10] netdev_get_by_index+0x5e/0x80 [ 2981.745353][ T10] fib6_nh_init+0x3d8/0x1580 [ 2981.745353][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2981.745353][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2981.745353][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2981.745353][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2981.745353][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2981.745353][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2981.745353][ T10] addrconf_dad_begin+0x310/0x670 [ 2981.745353][ T10] addrconf_dad_work+0x10b/0xab0 [ 2981.745353][ T10] process_one_work+0x84d/0x18a0 [ 2981.745353][ T10] worker_thread+0x587/0xd30 [ 2981.745353][ T10] kthread+0x28a/0x350 [ 2981.745353][ T10] ret_from_fork+0x31/0x70 [ 2981.745353][ T10] ret_from_fork_asm+0x1a/0x30 [ 2981.745353][ T10] [ 2981.747238][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2981.747238][ T10] netdev_get_by_index+0x5e/0x80 [ 2981.747238][ T10] fib6_nh_init+0x3d8/0x1580 [ 2981.747238][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2981.747238][ T10] ip6_route_add+0x1c/0x140 [ 2981.747238][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2981.747238][ T10] inet6_addr_add+0x4f8/0xa40 [ 2981.747238][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2981.747238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2981.747238][ T10] netlink_rcv_skb+0x130/0x360 [ 2981.747238][ T10] netlink_unicast+0x449/0x710 [ 2981.747238][ T10] netlink_sendmsg+0x723/0xbe0 [ 2981.747238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2981.747238][ T10] ___sys_sendmsg+0xee/0x170 [ 2981.747238][ T10] __sys_sendmsg+0xcd/0x170 [ 2981.747238][ T10] do_syscall_64+0xc6/0x1e0 [ 2981.747238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2981.747238][ T10] [ 2981.749400][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2981.749400][ T10] netdev_get_by_index+0x5e/0x80 [ 2981.749400][ T10] fib6_nh_init+0x3d8/0x1580 [ 2981.749400][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2981.749400][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2981.749400][ T10] ipv6_add_addr+0x411/0x2000 [ 2981.749400][ T10] inet6_addr_add+0x30e/0xa40 [ 2981.749400][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2981.749400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2981.749400][ T10] netlink_rcv_skb+0x130/0x360 [ 2981.749400][ T10] netlink_unicast+0x449/0x710 [ 2981.749400][ T10] netlink_sendmsg+0x723/0xbe0 [ 2981.749400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2981.749400][ T10] ___sys_sendmsg+0xee/0x170 [ 2981.749400][ T10] __sys_sendmsg+0xcd/0x170 [ 2981.749400][ T10] do_syscall_64+0xc6/0x1e0 [ 2981.749400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2981.749400][ T10] [ 2981.751680][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2981.751680][ T10] netdev_get_by_index+0x5e/0x80 [ 2981.751680][ T10] fib6_nh_init+0x3d8/0x1580 [ 2981.751680][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2981.751680][ T10] ip6_route_add+0x1c/0x140 [ 2981.751680][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2981.751680][ T10] addrconf_add_dev+0xe2/0x170 [ 2981.751680][ T10] inet6_addr_add+0x12f/0xa40 [ 2981.751680][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2981.751680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2981.751680][ T10] netlink_rcv_skb+0x130/0x360 [ 2981.751680][ T10] netlink_unicast+0x449/0x710 [ 2981.751680][ T10] netlink_sendmsg+0x723/0xbe0 [ 2981.751680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2981.751680][ T10] ___sys_sendmsg+0xee/0x170 [ 2981.751680][ T10] __sys_sendmsg+0xcd/0x170 [ 2981.751680][ T10] do_syscall_64+0xc6/0x1e0 [ 2981.751680][ T10] [ 2981.753828][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2981.753828][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2981.753828][ T10] ipv6_find_idev+0x102/0x170 [ 2981.753828][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2981.753828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2981.753828][ T10] netlink_rcv_skb+0x130/0x360 [ 2981.753828][ T10] netlink_unicast+0x449/0x710 [ 2981.753828][ T10] netlink_sendmsg+0x723/0xbe0 [ 2981.753828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2981.753828][ T10] ___sys_sendmsg+0xee/0x170 [ 2981.753828][ T10] __sys_sendmsg+0xcd/0x170 [ 2981.753828][ T10] do_syscall_64+0xc6/0x1e0 [ 2981.753828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2981.753828][ T10] [ 2981.755543][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2981.755543][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2981.755543][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2981.755543][ T10] ipv6_find_idev+0x102/0x170 [ 2981.755543][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2981.755543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2981.755543][ T10] netlink_rcv_skb+0x130/0x360 [ 2981.755543][ T10] netlink_unicast+0x449/0x710 [ 2981.755543][ T10] netlink_sendmsg+0x723/0xbe0 [ 2981.755543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2981.755543][ T10] ___sys_sendmsg+0xee/0x170 [ 2981.755543][ T10] __sys_sendmsg+0xcd/0x170 [ 2981.755543][ T10] do_syscall_64+0xc6/0x1e0 [ 2981.755543][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2981.755543][ T10] [ 2981.757329][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2981.757564][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2981.757564][ T10] netdev_get_by_index+0x5e/0x80 [ 2981.757564][ T10] fib6_nh_init+0x3d8/0x1580 [ 2981.757564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2981.757564][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2981.757564][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2981.757564][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2981.757564][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2981.757564][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2981.757564][ T10] addrconf_dad_begin+0x310/0x670 [ 2981.757564][ T10] addrconf_dad_work+0x10b/0xab0 [ 2981.757564][ T10] process_one_work+0x84d/0x18a0 [ 2981.757564][ T10] worker_thread+0x587/0xd30 [ 2981.757564][ T10] kthread+0x28a/0x350 [ 2981.757564][ T10] ret_from_fork+0x31/0x70 [ 2981.757564][ T10] ret_from_fork_asm+0x1a/0x30 [ 2981.757564][ T10] [ 2981.759823][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2981.759823][ T10] netdev_get_by_index+0x5e/0x80 [ 2981.759823][ T10] fib6_nh_init+0x3d8/0x1580 [ 2981.759823][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2981.759823][ T10] ip6_route_add+0x1c/0x140 [ 2981.759823][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2981.759823][ T10] inet6_addr_add+0x4f8/0xa40 [ 2981.759823][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2981.759823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2981.759823][ T10] netlink_rcv_skb+0x130/0x360 [ 2981.759823][ T10] netlink_unicast+0x449/0x710 [ 2981.759823][ T10] netlink_sendmsg+0x723/0xbe0 [ 2981.759823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2981.759823][ T10] ___sys_sendmsg+0xee/0x170 [ 2981.759823][ T10] __sys_sendmsg+0xcd/0x170 [ 2981.759823][ T10] do_syscall_64+0xc6/0x1e0 [ 2981.759823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2981.759823][ T10] [ 2981.762048][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2981.762048][ T10] netdev_get_by_index+0x5e/0x80 [ 2981.762048][ T10] fib6_nh_init+0x3d8/0x1580 [ 2981.762048][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2981.762048][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2981.762048][ T10] ipv6_add_addr+0x411/0x2000 [ 2981.762048][ T10] inet6_addr_add+0x30e/0xa40 [ 2981.762048][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2981.762048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2981.762048][ T10] netlink_rcv_skb+0x130/0x360 [ 2981.762048][ T10] netlink_unicast+0x449/0x710 [ 2981.762048][ T10] netlink_sendmsg+0x723/0xbe0 [ 2981.762048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2981.762048][ T10] ___sys_sendmsg+0xee/0x170 [ 2981.762048][ T10] __sys_sendmsg+0xcd/0x170 [ 2981.762048][ T10] do_syscall_64+0xc6/0x1e0 [ 2981.762048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2981.762048][ T10] [ 2981.764213][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2981.764213][ T10] netdev_get_by_index+0x5e/0x80 [ 2981.764213][ T10] fib6_nh_init+0x3d8/0x1580 [ 2981.764213][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2981.764213][ T10] ip6_route_add+0x1c/0x140 [ 2981.764213][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2981.764213][ T10] addrconf_add_dev+0xe2/0x170 [ 2981.764213][ T10] inet6_addr_add+0x12f/0xa40 [ 2981.764213][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2981.764213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2981.764213][ T10] netlink_rcv_skb+0x130/0x360 [ 2981.764213][ T10] netlink_unicast+0x449/0x710 [ 2981.764213][ T10] netlink_sendmsg+0x723/0xbe0 [ 2981.764213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2981.764213][ T10] ___sys_sendmsg+0xee/0x170 [ 2981.764213][ T10] __sys_sendmsg+0xcd/0x170 [ 2981.764213][ T10] do_syscall_64+0xc6/0x1e0 [ 2981.764213][ T10] [ 2981.766403][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2981.766403][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2981.766403][ T10] ipv6_find_idev+0x102/0x170 [ 2981.766403][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2981.766403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2981.766403][ T10] netlink_rcv_skb+0x130/0x360 [ 2981.766403][ T10] netlink_unicast+0x449/0x710 [ 2981.766403][ T10] netlink_sendmsg+0x723/0xbe0 [ 2981.766403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2981.766403][ T10] ___sys_sendmsg+0xee/0x170 [ 2981.766403][ T10] __sys_sendmsg+0xcd/0x170 [ 2981.766403][ T10] do_syscall_64+0xc6/0x1e0 [ 2981.766403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2981.766403][ T10] [ 2981.768111][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2981.768111][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2981.768111][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2981.768111][ T10] ipv6_find_idev+0x102/0x170 [ 2981.768111][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2981.768111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2981.768111][ T10] netlink_rcv_skb+0x130/0x360 [ 2981.768111][ T10] netlink_unicast+0x449/0x710 [ 2981.768111][ T10] netlink_sendmsg+0x723/0xbe0 [ 2981.768111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2981.768111][ T10] ___sys_sendmsg+0xee/0x170 [ 2981.768111][ T10] __sys_sendmsg+0xcd/0x170 [ 2981.768111][ T10] do_syscall_64+0xc6/0x1e0 [ 2981.768111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2981.768111][ T10] [ 2984.025186][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2984.025608][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2984.025608][ T1167] dst_init+0x84/0x4a0 [ 2984.025608][ T1167] dst_alloc+0x97/0x150 [ 2984.025608][ T1167] ip6_dst_alloc+0x23/0x90 [ 2984.025608][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2984.025608][ T1167] ip6_pol_route+0x56f/0x840 [ 2984.025608][ T1167] fib6_rule_lookup+0x334/0x630 [ 2984.025608][ T1167] ip6_route_output_flags+0x259/0x480 [ 2984.025608][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2984.025608][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2984.025608][ T1167] netlink_rcv_skb+0x130/0x360 [ 2984.025608][ T1167] netlink_unicast+0x449/0x710 [ 2984.025608][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2984.025608][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2984.025608][ T1167] ___sys_sendmsg+0xee/0x170 [ 2984.025608][ T1167] __sys_sendmsg+0xcd/0x170 [ 2984.025608][ T1167] do_syscall_64+0xc6/0x1e0 [ 2984.025608][ T1167] [ 2984.027911][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2984.027911][ T1167] netdev_get_by_index+0x5e/0x80 [ 2984.027911][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2984.027911][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2984.027911][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2984.027911][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2984.027911][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2984.027911][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2984.027911][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2984.027911][ T1167] addrconf_dad_begin+0x310/0x670 [ 2984.027911][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2984.027911][ T1167] process_one_work+0x84d/0x18a0 [ 2984.027911][ T1167] worker_thread+0x587/0xd30 [ 2984.027911][ T1167] kthread+0x28a/0x350 [ 2984.027911][ T1167] ret_from_fork+0x31/0x70 [ 2984.027911][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2984.027911][ T1167] [ 2984.030479][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2984.030479][ T1167] netdev_get_by_index+0x5e/0x80 [ 2984.030479][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2984.030479][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2984.030479][ T1167] ip6_route_add+0x1c/0x140 [ 2984.030479][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2984.030479][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2984.030479][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2984.030479][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.030479][ T1167] netlink_rcv_skb+0x130/0x360 [ 2984.030479][ T1167] netlink_unicast+0x449/0x710 [ 2984.030479][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2984.030479][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2984.030479][ T1167] ___sys_sendmsg+0xee/0x170 [ 2984.030479][ T1167] __sys_sendmsg+0xcd/0x170 [ 2984.030479][ T1167] do_syscall_64+0xc6/0x1e0 [ 2984.030479][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.030479][ T1167] [ 2984.032718][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2984.032718][ T1167] netdev_get_by_index+0x5e/0x80 [ 2984.032718][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2984.032718][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2984.032718][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2984.032718][ T1167] ipv6_add_addr+0x411/0x2000 [ 2984.032718][ T1167] inet6_addr_add+0x30e/0xa40 [ 2984.032718][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2984.032718][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.032718][ T1167] netlink_rcv_skb+0x130/0x360 [ 2984.032718][ T1167] netlink_unicast+0x449/0x710 [ 2984.032718][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2984.032718][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2984.032718][ T1167] ___sys_sendmsg+0xee/0x170 [ 2984.032718][ T1167] __sys_sendmsg+0xcd/0x170 [ 2984.032718][ T1167] do_syscall_64+0xc6/0x1e0 [ 2984.032718][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.032718][ T1167] [ 2984.034967][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2984.034967][ T1167] netdev_get_by_index+0x5e/0x80 [ 2984.034967][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2984.034967][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2984.034967][ T1167] ip6_route_add+0x1c/0x140 [ 2984.034967][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2984.034967][ T1167] addrconf_add_dev+0xe2/0x170 [ 2984.034967][ T1167] inet6_addr_add+0x12f/0xa40 [ 2984.034967][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2984.034967][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.034967][ T1167] netlink_rcv_skb+0x130/0x360 [ 2984.034967][ T1167] netlink_unicast+0x449/0x710 [ 2984.034967][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2984.034967][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2984.034967][ T1167] ___sys_sendmsg+0xee/0x170 [ 2984.034967][ T1167] __sys_sendmsg+0xcd/0x170 [ 2984.034967][ T1167] do_syscall_64+0xc6/0x1e0 [ 2984.034967][ T1167] [ 2984.037155][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2984.037155][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2984.037155][ T1167] ipv6_find_idev+0x102/0x170 [ 2984.037155][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2984.037155][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.037155][ T1167] netlink_rcv_skb+0x130/0x360 [ 2984.037155][ T1167] netlink_unicast+0x449/0x710 [ 2984.037155][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2984.037155][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2984.037155][ T1167] ___sys_sendmsg+0xee/0x170 [ 2984.037155][ T1167] __sys_sendmsg+0xcd/0x170 [ 2984.037155][ T1167] do_syscall_64+0xc6/0x1e0 [ 2984.037155][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.037155][ T1167] [ 2984.038871][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2984.038871][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2984.038871][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2984.038871][ T1167] ipv6_find_idev+0x102/0x170 [ 2984.038871][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2984.038871][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.038871][ T1167] netlink_rcv_skb+0x130/0x360 [ 2984.038871][ T1167] netlink_unicast+0x449/0x710 [ 2984.038871][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2984.038871][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2984.038871][ T1167] ___sys_sendmsg+0xee/0x170 [ 2984.038871][ T1167] __sys_sendmsg+0xcd/0x170 [ 2984.038871][ T1167] do_syscall_64+0xc6/0x1e0 [ 2984.038871][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.038871][ T1167] [ 2991.945146][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2991.945567][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2991.945567][ T10] netdev_get_by_index+0x5e/0x80 [ 2991.945567][ T10] fib6_nh_init+0x3d8/0x1580 [ 2991.945567][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2991.945567][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2991.945567][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2991.945567][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2991.945567][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2991.945567][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2991.945567][ T10] addrconf_dad_begin+0x310/0x670 [ 2991.945567][ T10] addrconf_dad_work+0x10b/0xab0 [ 2991.945567][ T10] process_one_work+0x84d/0x18a0 [ 2991.945567][ T10] worker_thread+0x587/0xd30 [ 2991.945567][ T10] kthread+0x28a/0x350 [ 2991.945567][ T10] ret_from_fork+0x31/0x70 [ 2991.945567][ T10] ret_from_fork_asm+0x1a/0x30 [ 2991.945567][ T10] [ 2991.947511][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2991.947511][ T10] netdev_get_by_index+0x5e/0x80 [ 2991.947511][ T10] fib6_nh_init+0x3d8/0x1580 [ 2991.947511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2991.947511][ T10] ip6_route_add+0x1c/0x140 [ 2991.947511][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2991.947511][ T10] inet6_addr_add+0x4f8/0xa40 [ 2991.947511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2991.947511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2991.947511][ T10] netlink_rcv_skb+0x130/0x360 [ 2991.947511][ T10] netlink_unicast+0x449/0x710 [ 2991.947511][ T10] netlink_sendmsg+0x723/0xbe0 [ 2991.947511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2991.947511][ T10] ___sys_sendmsg+0xee/0x170 [ 2991.947511][ T10] __sys_sendmsg+0xcd/0x170 [ 2991.947511][ T10] do_syscall_64+0xc6/0x1e0 [ 2991.947511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2991.947511][ T10] [ 2991.949523][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2991.949523][ T10] netdev_get_by_index+0x5e/0x80 [ 2991.949523][ T10] fib6_nh_init+0x3d8/0x1580 [ 2991.949523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2991.949523][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2991.949523][ T10] ipv6_add_addr+0x411/0x2000 [ 2991.949523][ T10] inet6_addr_add+0x30e/0xa40 [ 2991.949523][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2991.949523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2991.949523][ T10] netlink_rcv_skb+0x130/0x360 [ 2991.949523][ T10] netlink_unicast+0x449/0x710 [ 2991.949523][ T10] netlink_sendmsg+0x723/0xbe0 [ 2991.949523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2991.949523][ T10] ___sys_sendmsg+0xee/0x170 [ 2991.949523][ T10] __sys_sendmsg+0xcd/0x170 [ 2991.949523][ T10] do_syscall_64+0xc6/0x1e0 [ 2991.949523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2991.949523][ T10] [ 2991.951533][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2991.951533][ T10] netdev_get_by_index+0x5e/0x80 [ 2991.951533][ T10] fib6_nh_init+0x3d8/0x1580 [ 2991.951533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2991.951533][ T10] ip6_route_add+0x1c/0x140 [ 2991.951533][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2991.951533][ T10] addrconf_add_dev+0xe2/0x170 [ 2991.951533][ T10] inet6_addr_add+0x12f/0xa40 [ 2991.951533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2991.951533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2991.951533][ T10] netlink_rcv_skb+0x130/0x360 [ 2991.951533][ T10] netlink_unicast+0x449/0x710 [ 2991.951533][ T10] netlink_sendmsg+0x723/0xbe0 [ 2991.951533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2991.951533][ T10] ___sys_sendmsg+0xee/0x170 [ 2991.951533][ T10] __sys_sendmsg+0xcd/0x170 [ 2991.951533][ T10] do_syscall_64+0xc6/0x1e0 [ 2991.951533][ T10] [ 2991.953976][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2991.953976][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2991.953976][ T10] ipv6_find_idev+0x102/0x170 [ 2991.953976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2991.953976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2991.953976][ T10] netlink_rcv_skb+0x130/0x360 [ 2991.953976][ T10] netlink_unicast+0x449/0x710 [ 2991.953976][ T10] netlink_sendmsg+0x723/0xbe0 [ 2991.953976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2991.953976][ T10] ___sys_sendmsg+0xee/0x170 [ 2991.953976][ T10] __sys_sendmsg+0xcd/0x170 [ 2991.953976][ T10] do_syscall_64+0xc6/0x1e0 [ 2991.953976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2991.953976][ T10] [ 2991.955527][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 2991.955527][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2991.955527][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2991.955527][ T10] ipv6_find_idev+0x102/0x170 [ 2991.955527][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2991.955527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2991.955527][ T10] netlink_rcv_skb+0x130/0x360 [ 2991.955527][ T10] netlink_unicast+0x449/0x710 [ 2991.955527][ T10] netlink_sendmsg+0x723/0xbe0 [ 2991.955527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2991.955527][ T10] ___sys_sendmsg+0xee/0x170 [ 2991.955527][ T10] __sys_sendmsg+0xcd/0x170 [ 2991.955527][ T10] do_syscall_64+0xc6/0x1e0 [ 2991.955527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2991.955527][ T10] [ 2991.957234][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2991.957484][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2991.957484][ T10] netdev_get_by_index+0x5e/0x80 [ 2991.957484][ T10] fib6_nh_init+0x3d8/0x1580 [ 2991.957484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2991.957484][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2991.957484][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2991.957484][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2991.957484][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2991.957484][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2991.957484][ T10] addrconf_dad_begin+0x310/0x670 [ 2991.957484][ T10] addrconf_dad_work+0x10b/0xab0 [ 2991.957484][ T10] process_one_work+0x84d/0x18a0 [ 2991.957484][ T10] worker_thread+0x587/0xd30 [ 2991.957484][ T10] kthread+0x28a/0x350 [ 2991.957484][ T10] ret_from_fork+0x31/0x70 [ 2991.957484][ T10] ret_from_fork_asm+0x1a/0x30 [ 2991.957484][ T10] [ 2991.959401][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2991.959401][ T10] netdev_get_by_index+0x5e/0x80 [ 2991.959401][ T10] fib6_nh_init+0x3d8/0x1580 [ 2991.959401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2991.959401][ T10] ip6_route_add+0x1c/0x140 [ 2991.959401][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2991.959401][ T10] inet6_addr_add+0x4f8/0xa40 [ 2991.959401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2991.959401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2991.959401][ T10] netlink_rcv_skb+0x130/0x360 [ 2991.959401][ T10] netlink_unicast+0x449/0x710 [ 2991.959401][ T10] netlink_sendmsg+0x723/0xbe0 [ 2991.959401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2991.959401][ T10] ___sys_sendmsg+0xee/0x170 [ 2991.959401][ T10] __sys_sendmsg+0xcd/0x170 [ 2991.959401][ T10] do_syscall_64+0xc6/0x1e0 [ 2991.959401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2991.959401][ T10] [ 2991.961407][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2991.961407][ T10] netdev_get_by_index+0x5e/0x80 [ 2991.961407][ T10] fib6_nh_init+0x3d8/0x1580 [ 2991.961407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2991.961407][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2991.961407][ T10] ipv6_add_addr+0x411/0x2000 [ 2991.961407][ T10] inet6_addr_add+0x30e/0xa40 [ 2991.961407][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2991.961407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2991.961407][ T10] netlink_rcv_skb+0x130/0x360 [ 2991.961407][ T10] netlink_unicast+0x449/0x710 [ 2991.961407][ T10] netlink_sendmsg+0x723/0xbe0 [ 2991.961407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2991.961407][ T10] ___sys_sendmsg+0xee/0x170 [ 2991.961407][ T10] __sys_sendmsg+0xcd/0x170 [ 2991.961407][ T10] do_syscall_64+0xc6/0x1e0 [ 2991.961407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2991.961407][ T10] [ 2991.963399][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2991.963399][ T10] netdev_get_by_index+0x5e/0x80 [ 2991.963399][ T10] fib6_nh_init+0x3d8/0x1580 [ 2991.963399][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2991.963399][ T10] ip6_route_add+0x1c/0x140 [ 2991.963399][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2991.963399][ T10] addrconf_add_dev+0xe2/0x170 [ 2991.963399][ T10] inet6_addr_add+0x12f/0xa40 [ 2991.963399][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2991.963399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2991.963399][ T10] netlink_rcv_skb+0x130/0x360 [ 2991.963399][ T10] netlink_unicast+0x449/0x710 [ 2991.963399][ T10] netlink_sendmsg+0x723/0xbe0 [ 2991.963399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2991.963399][ T10] ___sys_sendmsg+0xee/0x170 [ 2991.963399][ T10] __sys_sendmsg+0xcd/0x170 [ 2991.963399][ T10] do_syscall_64+0xc6/0x1e0 [ 2991.963399][ T10] [ 2991.965380][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2991.965380][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2991.965380][ T10] ipv6_find_idev+0x102/0x170 [ 2991.965380][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2991.965380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2991.965380][ T10] netlink_rcv_skb+0x130/0x360 [ 2991.965380][ T10] netlink_unicast+0x449/0x710 [ 2991.965380][ T10] netlink_sendmsg+0x723/0xbe0 [ 2991.965380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2991.965380][ T10] ___sys_sendmsg+0xee/0x170 [ 2991.965380][ T10] __sys_sendmsg+0xcd/0x170 [ 2991.965380][ T10] do_syscall_64+0xc6/0x1e0 [ 2991.965380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2991.965380][ T10] [ 2991.966932][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 2991.966932][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2991.966932][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2991.966932][ T10] ipv6_find_idev+0x102/0x170 [ 2991.966932][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2991.966932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2991.966932][ T10] netlink_rcv_skb+0x130/0x360 [ 2991.966932][ T10] netlink_unicast+0x449/0x710 [ 2991.966932][ T10] netlink_sendmsg+0x723/0xbe0 [ 2991.966932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2991.966932][ T10] ___sys_sendmsg+0xee/0x170 [ 2991.966932][ T10] __sys_sendmsg+0xcd/0x170 [ 2991.966932][ T10] do_syscall_64+0xc6/0x1e0 [ 2991.966932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2991.966932][ T10] [ 2991.968616][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2991.968869][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2991.968869][ T10] netdev_get_by_index+0x5e/0x80 [ 2991.968869][ T10] fib6_nh_init+0x3d8/0x1580 [ 2991.968869][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2991.968869][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2991.968869][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2991.968869][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2991.968869][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2991.968869][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2991.968869][ T10] addrconf_dad_begin+0x310/0x670 [ 2991.968869][ T10] addrconf_dad_work+0x10b/0xab0 [ 2991.968869][ T10] process_one_work+0x84d/0x18a0 [ 2991.968869][ T10] worker_thread+0x587/0xd30 [ 2991.968869][ T10] kthread+0x28a/0x350 [ 2991.968869][ T10] ret_from_fork+0x31/0x70 [ 2991.968869][ T10] ret_from_fork_asm+0x1a/0x30 [ 2991.968869][ T10] [ 2991.970779][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2991.970779][ T10] netdev_get_by_index+0x5e/0x80 [ 2991.970779][ T10] fib6_nh_init+0x3d8/0x1580 [ 2991.970779][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2991.970779][ T10] ip6_route_add+0x1c/0x140 [ 2991.970779][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2991.970779][ T10] inet6_addr_add+0x4f8/0xa40 [ 2991.970779][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2991.970779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2991.970779][ T10] netlink_rcv_skb+0x130/0x360 [ 2991.970779][ T10] netlink_unicast+0x449/0x710 [ 2991.970779][ T10] netlink_sendmsg+0x723/0xbe0 [ 2991.970779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2991.970779][ T10] ___sys_sendmsg+0xee/0x170 [ 2991.970779][ T10] __sys_sendmsg+0xcd/0x170 [ 2991.970779][ T10] do_syscall_64+0xc6/0x1e0 [ 2991.970779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2991.970779][ T10] [ 2991.972965][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2991.972965][ T10] netdev_get_by_index+0x5e/0x80 [ 2991.972965][ T10] fib6_nh_init+0x3d8/0x1580 [ 2991.972965][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2991.972965][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2991.972965][ T10] ipv6_add_addr+0x411/0x2000 [ 2991.972965][ T10] inet6_addr_add+0x30e/0xa40 [ 2991.972965][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2991.972965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2991.972965][ T10] netlink_rcv_skb+0x130/0x360 [ 2991.972965][ T10] netlink_unicast+0x449/0x710 [ 2991.972965][ T10] netlink_sendmsg+0x723/0xbe0 [ 2991.972965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2991.972965][ T10] ___sys_sendmsg+0xee/0x170 [ 2991.972965][ T10] __sys_sendmsg+0xcd/0x170 [ 2991.972965][ T10] do_syscall_64+0xc6/0x1e0 [ 2991.972965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2991.972965][ T10] [ 2991.975208][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2991.975208][ T10] netdev_get_by_index+0x5e/0x80 [ 2991.975208][ T10] fib6_nh_init+0x3d8/0x1580 [ 2991.975208][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2991.975208][ T10] ip6_route_add+0x1c/0x140 [ 2991.975208][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2991.975208][ T10] addrconf_add_dev+0xe2/0x170 [ 2991.975208][ T10] inet6_addr_add+0x12f/0xa40 [ 2991.975208][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2991.975208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2991.975208][ T10] netlink_rcv_skb+0x130/0x360 [ 2991.975208][ T10] netlink_unicast+0x449/0x710 [ 2991.975208][ T10] netlink_sendmsg+0x723/0xbe0 [ 2991.975208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2991.975208][ T10] ___sys_sendmsg+0xee/0x170 [ 2991.975208][ T10] __sys_sendmsg+0xcd/0x170 [ 2991.975208][ T10] do_syscall_64+0xc6/0x1e0 [ 2991.975208][ T10] [ 2991.977414][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2991.977414][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2991.977414][ T10] ipv6_find_idev+0x102/0x170 [ 2991.977414][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2991.977414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2991.977414][ T10] netlink_rcv_skb+0x130/0x360 [ 2991.977414][ T10] netlink_unicast+0x449/0x710 [ 2991.977414][ T10] netlink_sendmsg+0x723/0xbe0 [ 2991.977414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2991.977414][ T10] ___sys_sendmsg+0xee/0x170 [ 2991.977414][ T10] __sys_sendmsg+0xcd/0x170 [ 2991.977414][ T10] do_syscall_64+0xc6/0x1e0 [ 2991.977414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2991.977414][ T10] [ 2991.979140][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 2991.979140][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2991.979140][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2991.979140][ T10] ipv6_find_idev+0x102/0x170 [ 2991.979140][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2991.979140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2991.979140][ T10] netlink_rcv_skb+0x130/0x360 [ 2991.979140][ T10] netlink_unicast+0x449/0x710 [ 2991.979140][ T10] netlink_sendmsg+0x723/0xbe0 [ 2991.979140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2991.979140][ T10] ___sys_sendmsg+0xee/0x170 [ 2991.979140][ T10] __sys_sendmsg+0xcd/0x170 [ 2991.979140][ T10] do_syscall_64+0xc6/0x1e0 [ 2991.979140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2991.979140][ T10] [ 2991.981067][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2991.981310][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2991.981310][ T10] netdev_get_by_index+0x5e/0x80 [ 2991.981310][ T10] fib6_nh_init+0x3d8/0x1580 [ 2991.981310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2991.981310][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2991.981310][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2991.981310][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2991.981310][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2991.981310][ T10] addrconf_dad_completed+0x12b/0xe20 [ 2991.981310][ T10] addrconf_dad_begin+0x310/0x670 [ 2991.981310][ T10] addrconf_dad_work+0x10b/0xab0 [ 2991.981310][ T10] process_one_work+0x84d/0x18a0 [ 2991.981310][ T10] worker_thread+0x587/0xd30 [ 2991.981310][ T10] kthread+0x28a/0x350 [ 2991.981310][ T10] ret_from_fork+0x31/0x70 [ 2991.981310][ T10] ret_from_fork_asm+0x1a/0x30 [ 2991.981310][ T10] [ 2991.983469][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2991.983469][ T10] netdev_get_by_index+0x5e/0x80 [ 2991.983469][ T10] fib6_nh_init+0x3d8/0x1580 [ 2991.983469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2991.983469][ T10] ip6_route_add+0x1c/0x140 [ 2991.983469][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2991.983469][ T10] inet6_addr_add+0x4f8/0xa40 [ 2991.983469][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2991.983469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2991.983469][ T10] netlink_rcv_skb+0x130/0x360 [ 2991.983469][ T10] netlink_unicast+0x449/0x710 [ 2991.983469][ T10] netlink_sendmsg+0x723/0xbe0 [ 2991.983469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2991.983469][ T10] ___sys_sendmsg+0xee/0x170 [ 2991.983469][ T10] __sys_sendmsg+0xcd/0x170 [ 2991.983469][ T10] do_syscall_64+0xc6/0x1e0 [ 2991.983469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2991.983469][ T10] [ 2991.985716][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2991.985716][ T10] netdev_get_by_index+0x5e/0x80 [ 2991.985716][ T10] fib6_nh_init+0x3d8/0x1580 [ 2991.985716][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2991.985716][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2991.985716][ T10] ipv6_add_addr+0x411/0x2000 [ 2991.985716][ T10] inet6_addr_add+0x30e/0xa40 [ 2991.985716][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2991.985716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2991.985716][ T10] netlink_rcv_skb+0x130/0x360 [ 2991.985716][ T10] netlink_unicast+0x449/0x710 [ 2991.985716][ T10] netlink_sendmsg+0x723/0xbe0 [ 2991.985716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2991.985716][ T10] ___sys_sendmsg+0xee/0x170 [ 2991.985716][ T10] __sys_sendmsg+0xcd/0x170 [ 2991.985716][ T10] do_syscall_64+0xc6/0x1e0 [ 2991.985716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2991.985716][ T10] [ 2991.987952][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2991.987952][ T10] netdev_get_by_index+0x5e/0x80 [ 2991.987952][ T10] fib6_nh_init+0x3d8/0x1580 [ 2991.987952][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2991.987952][ T10] ip6_route_add+0x1c/0x140 [ 2991.987952][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2991.987952][ T10] addrconf_add_dev+0xe2/0x170 [ 2991.987952][ T10] inet6_addr_add+0x12f/0xa40 [ 2991.987952][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2991.987952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2991.987952][ T10] netlink_rcv_skb+0x130/0x360 [ 2991.987952][ T10] netlink_unicast+0x449/0x710 [ 2991.987952][ T10] netlink_sendmsg+0x723/0xbe0 [ 2991.987952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2991.987952][ T10] ___sys_sendmsg+0xee/0x170 [ 2991.987952][ T10] __sys_sendmsg+0xcd/0x170 [ 2991.987952][ T10] do_syscall_64+0xc6/0x1e0 [ 2991.987952][ T10] [ 2991.990161][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2991.990161][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2991.990161][ T10] ipv6_find_idev+0x102/0x170 [ 2991.990161][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2991.990161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2991.990161][ T10] netlink_rcv_skb+0x130/0x360 [ 2991.990161][ T10] netlink_unicast+0x449/0x710 [ 2991.990161][ T10] netlink_sendmsg+0x723/0xbe0 [ 2991.990161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2991.990161][ T10] ___sys_sendmsg+0xee/0x170 [ 2991.990161][ T10] __sys_sendmsg+0xcd/0x170 [ 2991.990161][ T10] do_syscall_64+0xc6/0x1e0 [ 2991.990161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2991.990161][ T10] [ 2991.991878][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 2991.991878][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2991.991878][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2991.991878][ T10] ipv6_find_idev+0x102/0x170 [ 2991.991878][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2991.991878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2991.991878][ T10] netlink_rcv_skb+0x130/0x360 [ 2991.991878][ T10] netlink_unicast+0x449/0x710 [ 2991.991878][ T10] netlink_sendmsg+0x723/0xbe0 [ 2991.991878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2991.991878][ T10] ___sys_sendmsg+0xee/0x170 [ 2991.991878][ T10] __sys_sendmsg+0xcd/0x170 [ 2991.991878][ T10] do_syscall_64+0xc6/0x1e0 [ 2991.991878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2991.991878][ T10] [ 2994.249160][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 2994.249574][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2994.249574][ T1167] dst_init+0x84/0x4a0 [ 2994.249574][ T1167] dst_alloc+0x97/0x150 [ 2994.249574][ T1167] ip6_dst_alloc+0x23/0x90 [ 2994.249574][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2994.249574][ T1167] ip6_pol_route+0x56f/0x840 [ 2994.249574][ T1167] fib6_rule_lookup+0x334/0x630 [ 2994.249574][ T1167] ip6_route_output_flags+0x259/0x480 [ 2994.249574][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 2994.249574][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 2994.249574][ T1167] netlink_rcv_skb+0x130/0x360 [ 2994.249574][ T1167] netlink_unicast+0x449/0x710 [ 2994.249574][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2994.249574][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2994.249574][ T1167] ___sys_sendmsg+0xee/0x170 [ 2994.249574][ T1167] __sys_sendmsg+0xcd/0x170 [ 2994.249574][ T1167] do_syscall_64+0xc6/0x1e0 [ 2994.249574][ T1167] [ 2994.251765][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2994.251765][ T1167] netdev_get_by_index+0x5e/0x80 [ 2994.251765][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2994.251765][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2994.251765][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 2994.251765][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2994.251765][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 2994.251765][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2994.251765][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 2994.251765][ T1167] addrconf_dad_begin+0x310/0x670 [ 2994.251765][ T1167] addrconf_dad_work+0x10b/0xab0 [ 2994.251765][ T1167] process_one_work+0x84d/0x18a0 [ 2994.251765][ T1167] worker_thread+0x587/0xd30 [ 2994.251765][ T1167] kthread+0x28a/0x350 [ 2994.251765][ T1167] ret_from_fork+0x31/0x70 [ 2994.251765][ T1167] ret_from_fork_asm+0x1a/0x30 [ 2994.251765][ T1167] [ 2994.253911][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2994.253911][ T1167] netdev_get_by_index+0x5e/0x80 [ 2994.253911][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2994.253911][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2994.253911][ T1167] ip6_route_add+0x1c/0x140 [ 2994.253911][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 2994.253911][ T1167] inet6_addr_add+0x4f8/0xa40 [ 2994.253911][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2994.253911][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.253911][ T1167] netlink_rcv_skb+0x130/0x360 [ 2994.253911][ T1167] netlink_unicast+0x449/0x710 [ 2994.253911][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2994.253911][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2994.253911][ T1167] ___sys_sendmsg+0xee/0x170 [ 2994.253911][ T1167] __sys_sendmsg+0xcd/0x170 [ 2994.253911][ T1167] do_syscall_64+0xc6/0x1e0 [ 2994.253911][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.253911][ T1167] [ 2994.256147][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2994.256147][ T1167] netdev_get_by_index+0x5e/0x80 [ 2994.256147][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2994.256147][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2994.256147][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 2994.256147][ T1167] ipv6_add_addr+0x411/0x2000 [ 2994.256147][ T1167] inet6_addr_add+0x30e/0xa40 [ 2994.256147][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2994.256147][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.256147][ T1167] netlink_rcv_skb+0x130/0x360 [ 2994.256147][ T1167] netlink_unicast+0x449/0x710 [ 2994.256147][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2994.256147][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2994.256147][ T1167] ___sys_sendmsg+0xee/0x170 [ 2994.256147][ T1167] __sys_sendmsg+0xcd/0x170 [ 2994.256147][ T1167] do_syscall_64+0xc6/0x1e0 [ 2994.256147][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.256147][ T1167] [ 2994.258387][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2994.258387][ T1167] netdev_get_by_index+0x5e/0x80 [ 2994.258387][ T1167] fib6_nh_init+0x3d8/0x1580 [ 2994.258387][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 2994.258387][ T1167] ip6_route_add+0x1c/0x140 [ 2994.258387][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 2994.258387][ T1167] addrconf_add_dev+0xe2/0x170 [ 2994.258387][ T1167] inet6_addr_add+0x12f/0xa40 [ 2994.258387][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 2994.258387][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.258387][ T1167] netlink_rcv_skb+0x130/0x360 [ 2994.258387][ T1167] netlink_unicast+0x449/0x710 [ 2994.258387][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2994.258387][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2994.258387][ T1167] ___sys_sendmsg+0xee/0x170 [ 2994.258387][ T1167] __sys_sendmsg+0xcd/0x170 [ 2994.258387][ T1167] do_syscall_64+0xc6/0x1e0 [ 2994.258387][ T1167] [ 2994.260577][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2994.260577][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 2994.260577][ T1167] ipv6_find_idev+0x102/0x170 [ 2994.260577][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2994.260577][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.260577][ T1167] netlink_rcv_skb+0x130/0x360 [ 2994.260577][ T1167] netlink_unicast+0x449/0x710 [ 2994.260577][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2994.260577][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2994.260577][ T1167] ___sys_sendmsg+0xee/0x170 [ 2994.260577][ T1167] __sys_sendmsg+0xcd/0x170 [ 2994.260577][ T1167] do_syscall_64+0xc6/0x1e0 [ 2994.260577][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.260577][ T1167] [ 2994.262303][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 2994.262303][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 2994.262303][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 2994.262303][ T1167] ipv6_find_idev+0x102/0x170 [ 2994.262303][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 2994.262303][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.262303][ T1167] netlink_rcv_skb+0x130/0x360 [ 2994.262303][ T1167] netlink_unicast+0x449/0x710 [ 2994.262303][ T1167] netlink_sendmsg+0x723/0xbe0 [ 2994.262303][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 2994.262303][ T1167] ___sys_sendmsg+0xee/0x170 [ 2994.262303][ T1167] __sys_sendmsg+0xcd/0x170 [ 2994.262303][ T1167] do_syscall_64+0xc6/0x1e0 [ 2994.262303][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.262303][ T1167] [ 3002.241030][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3002.241458][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3002.241458][ T10] netdev_get_by_index+0x5e/0x80 [ 3002.241458][ T10] fib6_nh_init+0x3d8/0x1580 [ 3002.241458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3002.241458][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3002.241458][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3002.241458][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3002.241458][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3002.241458][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3002.241458][ T10] addrconf_dad_begin+0x310/0x670 [ 3002.241458][ T10] addrconf_dad_work+0x10b/0xab0 [ 3002.241458][ T10] process_one_work+0x84d/0x18a0 [ 3002.241458][ T10] worker_thread+0x587/0xd30 [ 3002.241458][ T10] kthread+0x28a/0x350 [ 3002.241458][ T10] ret_from_fork+0x31/0x70 [ 3002.241458][ T10] ret_from_fork_asm+0x1a/0x30 [ 3002.241458][ T10] [ 3002.243418][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3002.243418][ T10] netdev_get_by_index+0x5e/0x80 [ 3002.243418][ T10] fib6_nh_init+0x3d8/0x1580 [ 3002.243418][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3002.243418][ T10] ip6_route_add+0x1c/0x140 [ 3002.243418][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3002.243418][ T10] inet6_addr_add+0x4f8/0xa40 [ 3002.243418][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3002.243418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3002.243418][ T10] netlink_rcv_skb+0x130/0x360 [ 3002.243418][ T10] netlink_unicast+0x449/0x710 [ 3002.243418][ T10] netlink_sendmsg+0x723/0xbe0 [ 3002.243418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3002.243418][ T10] ___sys_sendmsg+0xee/0x170 [ 3002.243418][ T10] __sys_sendmsg+0xcd/0x170 [ 3002.243418][ T10] do_syscall_64+0xc6/0x1e0 [ 3002.243418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3002.243418][ T10] [ 3002.245446][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3002.245446][ T10] netdev_get_by_index+0x5e/0x80 [ 3002.245446][ T10] fib6_nh_init+0x3d8/0x1580 [ 3002.245446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3002.245446][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3002.245446][ T10] ipv6_add_addr+0x411/0x2000 [ 3002.245446][ T10] inet6_addr_add+0x30e/0xa40 [ 3002.245446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3002.245446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3002.245446][ T10] netlink_rcv_skb+0x130/0x360 [ 3002.245446][ T10] netlink_unicast+0x449/0x710 [ 3002.245446][ T10] netlink_sendmsg+0x723/0xbe0 [ 3002.245446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3002.245446][ T10] ___sys_sendmsg+0xee/0x170 [ 3002.245446][ T10] __sys_sendmsg+0xcd/0x170 [ 3002.245446][ T10] do_syscall_64+0xc6/0x1e0 [ 3002.245446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3002.245446][ T10] [ 3002.247469][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3002.247469][ T10] netdev_get_by_index+0x5e/0x80 [ 3002.247469][ T10] fib6_nh_init+0x3d8/0x1580 [ 3002.247469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3002.247469][ T10] ip6_route_add+0x1c/0x140 [ 3002.247469][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3002.247469][ T10] addrconf_add_dev+0xe2/0x170 [ 3002.247469][ T10] inet6_addr_add+0x12f/0xa40 [ 3002.247469][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3002.247469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3002.247469][ T10] netlink_rcv_skb+0x130/0x360 [ 3002.247469][ T10] netlink_unicast+0x449/0x710 [ 3002.247469][ T10] netlink_sendmsg+0x723/0xbe0 [ 3002.247469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3002.247469][ T10] ___sys_sendmsg+0xee/0x170 [ 3002.247469][ T10] __sys_sendmsg+0xcd/0x170 [ 3002.247469][ T10] do_syscall_64+0xc6/0x1e0 [ 3002.247469][ T10] [ 3002.249452][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3002.249452][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3002.249452][ T10] ipv6_find_idev+0x102/0x170 [ 3002.249452][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3002.249452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3002.249452][ T10] netlink_rcv_skb+0x130/0x360 [ 3002.249452][ T10] netlink_unicast+0x449/0x710 [ 3002.249452][ T10] netlink_sendmsg+0x723/0xbe0 [ 3002.249452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3002.249452][ T10] ___sys_sendmsg+0xee/0x170 [ 3002.249452][ T10] __sys_sendmsg+0xcd/0x170 [ 3002.249452][ T10] do_syscall_64+0xc6/0x1e0 [ 3002.249452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3002.249452][ T10] [ 3002.251016][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3002.251016][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3002.251016][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3002.251016][ T10] ipv6_find_idev+0x102/0x170 [ 3002.251016][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3002.251016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3002.251016][ T10] netlink_rcv_skb+0x130/0x360 [ 3002.251016][ T10] netlink_unicast+0x449/0x710 [ 3002.251016][ T10] netlink_sendmsg+0x723/0xbe0 [ 3002.251016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3002.251016][ T10] ___sys_sendmsg+0xee/0x170 [ 3002.251016][ T10] __sys_sendmsg+0xcd/0x170 [ 3002.251016][ T10] do_syscall_64+0xc6/0x1e0 [ 3002.251016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3002.251016][ T10] [ 3002.252737][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3002.252986][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3002.252986][ T10] netdev_get_by_index+0x5e/0x80 [ 3002.252986][ T10] fib6_nh_init+0x3d8/0x1580 [ 3002.252986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3002.252986][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3002.252986][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3002.252986][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3002.252986][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3002.252986][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3002.252986][ T10] addrconf_dad_begin+0x310/0x670 [ 3002.252986][ T10] addrconf_dad_work+0x10b/0xab0 [ 3002.252986][ T10] process_one_work+0x84d/0x18a0 [ 3002.252986][ T10] worker_thread+0x587/0xd30 [ 3002.252986][ T10] kthread+0x28a/0x350 [ 3002.252986][ T10] ret_from_fork+0x31/0x70 [ 3002.252986][ T10] ret_from_fork_asm+0x1a/0x30 [ 3002.252986][ T10] [ 3002.254928][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3002.254928][ T10] netdev_get_by_index+0x5e/0x80 [ 3002.254928][ T10] fib6_nh_init+0x3d8/0x1580 [ 3002.254928][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3002.254928][ T10] ip6_route_add+0x1c/0x140 [ 3002.254928][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3002.254928][ T10] inet6_addr_add+0x4f8/0xa40 [ 3002.254928][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3002.254928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3002.254928][ T10] netlink_rcv_skb+0x130/0x360 [ 3002.254928][ T10] netlink_unicast+0x449/0x710 [ 3002.254928][ T10] netlink_sendmsg+0x723/0xbe0 [ 3002.254928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3002.254928][ T10] ___sys_sendmsg+0xee/0x170 [ 3002.254928][ T10] __sys_sendmsg+0xcd/0x170 [ 3002.254928][ T10] do_syscall_64+0xc6/0x1e0 [ 3002.254928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3002.254928][ T10] [ 3002.256942][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3002.256942][ T10] netdev_get_by_index+0x5e/0x80 [ 3002.256942][ T10] fib6_nh_init+0x3d8/0x1580 [ 3002.256942][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3002.256942][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3002.256942][ T10] ipv6_add_addr+0x411/0x2000 [ 3002.256942][ T10] inet6_addr_add+0x30e/0xa40 [ 3002.256942][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3002.256942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3002.256942][ T10] netlink_rcv_skb+0x130/0x360 [ 3002.256942][ T10] netlink_unicast+0x449/0x710 [ 3002.256942][ T10] netlink_sendmsg+0x723/0xbe0 [ 3002.256942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3002.256942][ T10] ___sys_sendmsg+0xee/0x170 [ 3002.256942][ T10] __sys_sendmsg+0xcd/0x170 [ 3002.256942][ T10] do_syscall_64+0xc6/0x1e0 [ 3002.256942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3002.256942][ T10] [ 3002.258961][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3002.258961][ T10] netdev_get_by_index+0x5e/0x80 [ 3002.258961][ T10] fib6_nh_init+0x3d8/0x1580 [ 3002.258961][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3002.258961][ T10] ip6_route_add+0x1c/0x140 [ 3002.258961][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3002.258961][ T10] addrconf_add_dev+0xe2/0x170 [ 3002.258961][ T10] inet6_addr_add+0x12f/0xa40 [ 3002.258961][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3002.258961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3002.258961][ T10] netlink_rcv_skb+0x130/0x360 [ 3002.258961][ T10] netlink_unicast+0x449/0x710 [ 3002.258961][ T10] netlink_sendmsg+0x723/0xbe0 [ 3002.258961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3002.258961][ T10] ___sys_sendmsg+0xee/0x170 [ 3002.258961][ T10] __sys_sendmsg+0xcd/0x170 [ 3002.258961][ T10] do_syscall_64+0xc6/0x1e0 [ 3002.258961][ T10] [ 3002.260948][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3002.260948][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3002.260948][ T10] ipv6_find_idev+0x102/0x170 [ 3002.260948][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3002.260948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3002.260948][ T10] netlink_rcv_skb+0x130/0x360 [ 3002.260948][ T10] netlink_unicast+0x449/0x710 [ 3002.260948][ T10] netlink_sendmsg+0x723/0xbe0 [ 3002.260948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3002.260948][ T10] ___sys_sendmsg+0xee/0x170 [ 3002.260948][ T10] __sys_sendmsg+0xcd/0x170 [ 3002.260948][ T10] do_syscall_64+0xc6/0x1e0 [ 3002.260948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3002.260948][ T10] [ 3002.262504][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3002.262504][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3002.262504][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3002.262504][ T10] ipv6_find_idev+0x102/0x170 [ 3002.262504][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3002.262504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3002.262504][ T10] netlink_rcv_skb+0x130/0x360 [ 3002.262504][ T10] netlink_unicast+0x449/0x710 [ 3002.262504][ T10] netlink_sendmsg+0x723/0xbe0 [ 3002.262504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3002.262504][ T10] ___sys_sendmsg+0xee/0x170 [ 3002.262504][ T10] __sys_sendmsg+0xcd/0x170 [ 3002.262504][ T10] do_syscall_64+0xc6/0x1e0 [ 3002.262504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3002.262504][ T10] [ 3002.264224][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3002.264475][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3002.264475][ T10] netdev_get_by_index+0x5e/0x80 [ 3002.264475][ T10] fib6_nh_init+0x3d8/0x1580 [ 3002.264475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3002.264475][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3002.264475][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3002.264475][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3002.264475][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3002.264475][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3002.264475][ T10] addrconf_dad_begin+0x310/0x670 [ 3002.264475][ T10] addrconf_dad_work+0x10b/0xab0 [ 3002.264475][ T10] process_one_work+0x84d/0x18a0 [ 3002.264475][ T10] worker_thread+0x587/0xd30 [ 3002.264475][ T10] kthread+0x28a/0x350 [ 3002.264475][ T10] ret_from_fork+0x31/0x70 [ 3002.264475][ T10] ret_from_fork_asm+0x1a/0x30 [ 3002.264475][ T10] [ 3002.266435][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3002.266435][ T10] netdev_get_by_index+0x5e/0x80 [ 3002.266435][ T10] fib6_nh_init+0x3d8/0x1580 [ 3002.266435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3002.266435][ T10] ip6_route_add+0x1c/0x140 [ 3002.266435][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3002.266435][ T10] inet6_addr_add+0x4f8/0xa40 [ 3002.266435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3002.266435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3002.266435][ T10] netlink_rcv_skb+0x130/0x360 [ 3002.266435][ T10] netlink_unicast+0x449/0x710 [ 3002.266435][ T10] netlink_sendmsg+0x723/0xbe0 [ 3002.266435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3002.266435][ T10] ___sys_sendmsg+0xee/0x170 [ 3002.266435][ T10] __sys_sendmsg+0xcd/0x170 [ 3002.266435][ T10] do_syscall_64+0xc6/0x1e0 [ 3002.266435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3002.266435][ T10] [ 3002.268643][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3002.268643][ T10] netdev_get_by_index+0x5e/0x80 [ 3002.268643][ T10] fib6_nh_init+0x3d8/0x1580 [ 3002.268643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3002.268643][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3002.268643][ T10] ipv6_add_addr+0x411/0x2000 [ 3002.268643][ T10] inet6_addr_add+0x30e/0xa40 [ 3002.268643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3002.268643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3002.268643][ T10] netlink_rcv_skb+0x130/0x360 [ 3002.268643][ T10] netlink_unicast+0x449/0x710 [ 3002.268643][ T10] netlink_sendmsg+0x723/0xbe0 [ 3002.268643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3002.268643][ T10] ___sys_sendmsg+0xee/0x170 [ 3002.268643][ T10] __sys_sendmsg+0xcd/0x170 [ 3002.268643][ T10] do_syscall_64+0xc6/0x1e0 [ 3002.268643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3002.268643][ T10] [ 3002.270905][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3002.270905][ T10] netdev_get_by_index+0x5e/0x80 [ 3002.270905][ T10] fib6_nh_init+0x3d8/0x1580 [ 3002.270905][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3002.270905][ T10] ip6_route_add+0x1c/0x140 [ 3002.270905][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3002.270905][ T10] addrconf_add_dev+0xe2/0x170 [ 3002.270905][ T10] inet6_addr_add+0x12f/0xa40 [ 3002.270905][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3002.270905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3002.270905][ T10] netlink_rcv_skb+0x130/0x360 [ 3002.270905][ T10] netlink_unicast+0x449/0x710 [ 3002.270905][ T10] netlink_sendmsg+0x723/0xbe0 [ 3002.270905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3002.270905][ T10] ___sys_sendmsg+0xee/0x170 [ 3002.270905][ T10] __sys_sendmsg+0xcd/0x170 [ 3002.270905][ T10] do_syscall_64+0xc6/0x1e0 [ 3002.270905][ T10] [ 3002.273139][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3002.273139][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3002.273139][ T10] ipv6_find_idev+0x102/0x170 [ 3002.273139][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3002.273139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3002.273139][ T10] netlink_rcv_skb+0x130/0x360 [ 3002.273139][ T10] netlink_unicast+0x449/0x710 [ 3002.273139][ T10] netlink_sendmsg+0x723/0xbe0 [ 3002.273139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3002.273139][ T10] ___sys_sendmsg+0xee/0x170 [ 3002.273139][ T10] __sys_sendmsg+0xcd/0x170 [ 3002.273139][ T10] do_syscall_64+0xc6/0x1e0 [ 3002.273139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3002.273139][ T10] [ 3002.274954][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3002.274954][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3002.274954][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3002.274954][ T10] ipv6_find_idev+0x102/0x170 [ 3002.274954][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3002.274954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3002.274954][ T10] netlink_rcv_skb+0x130/0x360 [ 3002.274954][ T10] netlink_unicast+0x449/0x710 [ 3002.274954][ T10] netlink_sendmsg+0x723/0xbe0 [ 3002.274954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3002.274954][ T10] ___sys_sendmsg+0xee/0x170 [ 3002.274954][ T10] __sys_sendmsg+0xcd/0x170 [ 3002.274954][ T10] do_syscall_64+0xc6/0x1e0 [ 3002.274954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3002.274954][ T10] [ 3002.276861][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3002.277558][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3002.277558][ T10] netdev_get_by_index+0x5e/0x80 [ 3002.277558][ T10] fib6_nh_init+0x3d8/0x1580 [ 3002.277558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3002.277558][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3002.277558][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3002.277558][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3002.277558][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3002.277558][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3002.277558][ T10] addrconf_dad_begin+0x310/0x670 [ 3002.277558][ T10] addrconf_dad_work+0x10b/0xab0 [ 3002.277558][ T10] process_one_work+0x84d/0x18a0 [ 3002.277558][ T10] worker_thread+0x587/0xd30 [ 3002.277558][ T10] kthread+0x28a/0x350 [ 3002.277558][ T10] ret_from_fork+0x31/0x70 [ 3002.277558][ T10] ret_from_fork_asm+0x1a/0x30 [ 3002.277558][ T10] [ 3002.279493][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3002.279493][ T10] netdev_get_by_index+0x5e/0x80 [ 3002.279493][ T10] fib6_nh_init+0x3d8/0x1580 [ 3002.279493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3002.279493][ T10] ip6_route_add+0x1c/0x140 [ 3002.279493][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3002.279493][ T10] inet6_addr_add+0x4f8/0xa40 [ 3002.279493][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3002.279493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3002.279493][ T10] netlink_rcv_skb+0x130/0x360 [ 3002.279493][ T10] netlink_unicast+0x449/0x710 [ 3002.279493][ T10] netlink_sendmsg+0x723/0xbe0 [ 3002.279493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3002.279493][ T10] ___sys_sendmsg+0xee/0x170 [ 3002.279493][ T10] __sys_sendmsg+0xcd/0x170 [ 3002.279493][ T10] do_syscall_64+0xc6/0x1e0 [ 3002.279493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3002.279493][ T10] [ 3002.281639][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3002.281639][ T10] netdev_get_by_index+0x5e/0x80 [ 3002.281639][ T10] fib6_nh_init+0x3d8/0x1580 [ 3002.281639][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3002.281639][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3002.281639][ T10] ipv6_add_addr+0x411/0x2000 [ 3002.281639][ T10] inet6_addr_add+0x30e/0xa40 [ 3002.281639][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3002.281639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3002.281639][ T10] netlink_rcv_skb+0x130/0x360 [ 3002.281639][ T10] netlink_unicast+0x449/0x710 [ 3002.281639][ T10] netlink_sendmsg+0x723/0xbe0 [ 3002.281639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3002.281639][ T10] ___sys_sendmsg+0xee/0x170 [ 3002.281639][ T10] __sys_sendmsg+0xcd/0x170 [ 3002.281639][ T10] do_syscall_64+0xc6/0x1e0 [ 3002.281639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3002.281639][ T10] [ 3002.283912][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3002.283912][ T10] netdev_get_by_index+0x5e/0x80 [ 3002.283912][ T10] fib6_nh_init+0x3d8/0x1580 [ 3002.283912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3002.283912][ T10] ip6_route_add+0x1c/0x140 [ 3002.283912][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3002.283912][ T10] addrconf_add_dev+0xe2/0x170 [ 3002.283912][ T10] inet6_addr_add+0x12f/0xa40 [ 3002.283912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3002.283912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3002.283912][ T10] netlink_rcv_skb+0x130/0x360 [ 3002.283912][ T10] netlink_unicast+0x449/0x710 [ 3002.283912][ T10] netlink_sendmsg+0x723/0xbe0 [ 3002.283912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3002.283912][ T10] ___sys_sendmsg+0xee/0x170 [ 3002.283912][ T10] __sys_sendmsg+0xcd/0x170 [ 3002.283912][ T10] do_syscall_64+0xc6/0x1e0 [ 3002.283912][ T10] [ 3002.286147][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3002.286147][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3002.286147][ T10] ipv6_find_idev+0x102/0x170 [ 3002.286147][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3002.286147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3002.286147][ T10] netlink_rcv_skb+0x130/0x360 [ 3002.286147][ T10] netlink_unicast+0x449/0x710 [ 3002.286147][ T10] netlink_sendmsg+0x723/0xbe0 [ 3002.286147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3002.286147][ T10] ___sys_sendmsg+0xee/0x170 [ 3002.286147][ T10] __sys_sendmsg+0xcd/0x170 [ 3002.286147][ T10] do_syscall_64+0xc6/0x1e0 [ 3002.286147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3002.286147][ T10] [ 3002.287944][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3002.287944][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3002.287944][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3002.287944][ T10] ipv6_find_idev+0x102/0x170 [ 3002.287944][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3002.287944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3002.287944][ T10] netlink_rcv_skb+0x130/0x360 [ 3002.287944][ T10] netlink_unicast+0x449/0x710 [ 3002.287944][ T10] netlink_sendmsg+0x723/0xbe0 [ 3002.287944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3002.287944][ T10] ___sys_sendmsg+0xee/0x170 [ 3002.287944][ T10] __sys_sendmsg+0xcd/0x170 [ 3002.287944][ T10] do_syscall_64+0xc6/0x1e0 [ 3002.287944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3002.287944][ T10] [ 3004.281090][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3004.281545][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3004.281545][ T1167] dst_init+0x84/0x4a0 [ 3004.281545][ T1167] dst_alloc+0x97/0x150 [ 3004.281545][ T1167] ip6_dst_alloc+0x23/0x90 [ 3004.281545][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3004.281545][ T1167] ip6_pol_route+0x56f/0x840 [ 3004.281545][ T1167] fib6_rule_lookup+0x334/0x630 [ 3004.281545][ T1167] ip6_route_output_flags+0x259/0x480 [ 3004.281545][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3004.281545][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3004.281545][ T1167] netlink_rcv_skb+0x130/0x360 [ 3004.281545][ T1167] netlink_unicast+0x449/0x710 [ 3004.281545][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3004.281545][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3004.281545][ T1167] ___sys_sendmsg+0xee/0x170 [ 3004.281545][ T1167] __sys_sendmsg+0xcd/0x170 [ 3004.281545][ T1167] do_syscall_64+0xc6/0x1e0 [ 3004.281545][ T1167] [ 3004.283828][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3004.283828][ T1167] netdev_get_by_index+0x5e/0x80 [ 3004.283828][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3004.283828][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3004.283828][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3004.283828][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3004.283828][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3004.283828][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3004.283828][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3004.283828][ T1167] addrconf_dad_begin+0x310/0x670 [ 3004.283828][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3004.283828][ T1167] process_one_work+0x84d/0x18a0 [ 3004.283828][ T1167] worker_thread+0x587/0xd30 [ 3004.283828][ T1167] kthread+0x28a/0x350 [ 3004.283828][ T1167] ret_from_fork+0x31/0x70 [ 3004.283828][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3004.283828][ T1167] [ 3004.286078][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3004.286078][ T1167] netdev_get_by_index+0x5e/0x80 [ 3004.286078][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3004.286078][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3004.286078][ T1167] ip6_route_add+0x1c/0x140 [ 3004.286078][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3004.286078][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3004.286078][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3004.286078][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.286078][ T1167] netlink_rcv_skb+0x130/0x360 [ 3004.286078][ T1167] netlink_unicast+0x449/0x710 [ 3004.286078][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3004.286078][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3004.286078][ T1167] ___sys_sendmsg+0xee/0x170 [ 3004.286078][ T1167] __sys_sendmsg+0xcd/0x170 [ 3004.286078][ T1167] do_syscall_64+0xc6/0x1e0 [ 3004.286078][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.286078][ T1167] [ 3004.288424][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3004.288424][ T1167] netdev_get_by_index+0x5e/0x80 [ 3004.288424][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3004.288424][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3004.288424][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3004.288424][ T1167] ipv6_add_addr+0x411/0x2000 [ 3004.288424][ T1167] inet6_addr_add+0x30e/0xa40 [ 3004.288424][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3004.288424][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.288424][ T1167] netlink_rcv_skb+0x130/0x360 [ 3004.288424][ T1167] netlink_unicast+0x449/0x710 [ 3004.288424][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3004.288424][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3004.288424][ T1167] ___sys_sendmsg+0xee/0x170 [ 3004.288424][ T1167] __sys_sendmsg+0xcd/0x170 [ 3004.288424][ T1167] do_syscall_64+0xc6/0x1e0 [ 3004.288424][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.288424][ T1167] [ 3004.290788][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3004.290788][ T1167] netdev_get_by_index+0x5e/0x80 [ 3004.290788][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3004.290788][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3004.290788][ T1167] ip6_route_add+0x1c/0x140 [ 3004.290788][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3004.290788][ T1167] addrconf_add_dev+0xe2/0x170 [ 3004.290788][ T1167] inet6_addr_add+0x12f/0xa40 [ 3004.290788][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3004.290788][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.290788][ T1167] netlink_rcv_skb+0x130/0x360 [ 3004.290788][ T1167] netlink_unicast+0x449/0x710 [ 3004.290788][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3004.290788][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3004.290788][ T1167] ___sys_sendmsg+0xee/0x170 [ 3004.290788][ T1167] __sys_sendmsg+0xcd/0x170 [ 3004.290788][ T1167] do_syscall_64+0xc6/0x1e0 [ 3004.290788][ T1167] [ 3004.293037][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3004.293037][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3004.293037][ T1167] ipv6_find_idev+0x102/0x170 [ 3004.293037][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3004.293037][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.293037][ T1167] netlink_rcv_skb+0x130/0x360 [ 3004.293037][ T1167] netlink_unicast+0x449/0x710 [ 3004.293037][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3004.293037][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3004.293037][ T1167] ___sys_sendmsg+0xee/0x170 [ 3004.293037][ T1167] __sys_sendmsg+0xcd/0x170 [ 3004.293037][ T1167] do_syscall_64+0xc6/0x1e0 [ 3004.293037][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.293037][ T1167] [ 3004.294796][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3004.294796][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3004.294796][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3004.294796][ T1167] ipv6_find_idev+0x102/0x170 [ 3004.294796][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3004.294796][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.294796][ T1167] netlink_rcv_skb+0x130/0x360 [ 3004.294796][ T1167] netlink_unicast+0x449/0x710 [ 3004.294796][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3004.294796][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3004.294796][ T1167] ___sys_sendmsg+0xee/0x170 [ 3004.294796][ T1167] __sys_sendmsg+0xcd/0x170 [ 3004.294796][ T1167] do_syscall_64+0xc6/0x1e0 [ 3004.294796][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.294796][ T1167] [ 3012.545047][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3012.545418][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3012.545418][ T10] netdev_get_by_index+0x5e/0x80 [ 3012.545418][ T10] fib6_nh_init+0x3d8/0x1580 [ 3012.545418][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3012.545418][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3012.545418][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3012.545418][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3012.545418][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3012.545418][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3012.545418][ T10] addrconf_dad_begin+0x310/0x670 [ 3012.545418][ T10] addrconf_dad_work+0x10b/0xab0 [ 3012.545418][ T10] process_one_work+0x84d/0x18a0 [ 3012.545418][ T10] worker_thread+0x587/0xd30 [ 3012.545418][ T10] kthread+0x28a/0x350 [ 3012.545418][ T10] ret_from_fork+0x31/0x70 [ 3012.545418][ T10] ret_from_fork_asm+0x1a/0x30 [ 3012.545418][ T10] [ 3012.547365][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3012.547365][ T10] netdev_get_by_index+0x5e/0x80 [ 3012.547365][ T10] fib6_nh_init+0x3d8/0x1580 [ 3012.547365][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3012.547365][ T10] ip6_route_add+0x1c/0x140 [ 3012.547365][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3012.547365][ T10] inet6_addr_add+0x4f8/0xa40 [ 3012.547365][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3012.547365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3012.547365][ T10] netlink_rcv_skb+0x130/0x360 [ 3012.547365][ T10] netlink_unicast+0x449/0x710 [ 3012.547365][ T10] netlink_sendmsg+0x723/0xbe0 [ 3012.547365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3012.547365][ T10] ___sys_sendmsg+0xee/0x170 [ 3012.547365][ T10] __sys_sendmsg+0xcd/0x170 [ 3012.547365][ T10] do_syscall_64+0xc6/0x1e0 [ 3012.547365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3012.547365][ T10] [ 3012.549377][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3012.549377][ T10] netdev_get_by_index+0x5e/0x80 [ 3012.549377][ T10] fib6_nh_init+0x3d8/0x1580 [ 3012.549377][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3012.549377][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3012.549377][ T10] ipv6_add_addr+0x411/0x2000 [ 3012.549377][ T10] inet6_addr_add+0x30e/0xa40 [ 3012.549377][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3012.549377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3012.549377][ T10] netlink_rcv_skb+0x130/0x360 [ 3012.549377][ T10] netlink_unicast+0x449/0x710 [ 3012.549377][ T10] netlink_sendmsg+0x723/0xbe0 [ 3012.549377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3012.549377][ T10] ___sys_sendmsg+0xee/0x170 [ 3012.549377][ T10] __sys_sendmsg+0xcd/0x170 [ 3012.549377][ T10] do_syscall_64+0xc6/0x1e0 [ 3012.549377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3012.549377][ T10] [ 3012.551379][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3012.551379][ T10] netdev_get_by_index+0x5e/0x80 [ 3012.551379][ T10] fib6_nh_init+0x3d8/0x1580 [ 3012.551379][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3012.551379][ T10] ip6_route_add+0x1c/0x140 [ 3012.551379][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3012.551379][ T10] addrconf_add_dev+0xe2/0x170 [ 3012.551379][ T10] inet6_addr_add+0x12f/0xa40 [ 3012.551379][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3012.551379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3012.551379][ T10] netlink_rcv_skb+0x130/0x360 [ 3012.551379][ T10] netlink_unicast+0x449/0x710 [ 3012.551379][ T10] netlink_sendmsg+0x723/0xbe0 [ 3012.551379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3012.551379][ T10] ___sys_sendmsg+0xee/0x170 [ 3012.551379][ T10] __sys_sendmsg+0xcd/0x170 [ 3012.551379][ T10] do_syscall_64+0xc6/0x1e0 [ 3012.551379][ T10] [ 3012.553355][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3012.553355][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3012.553355][ T10] ipv6_find_idev+0x102/0x170 [ 3012.553355][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3012.553355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3012.553355][ T10] netlink_rcv_skb+0x130/0x360 [ 3012.553355][ T10] netlink_unicast+0x449/0x710 [ 3012.553355][ T10] netlink_sendmsg+0x723/0xbe0 [ 3012.553355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3012.553355][ T10] ___sys_sendmsg+0xee/0x170 [ 3012.553355][ T10] __sys_sendmsg+0xcd/0x170 [ 3012.553355][ T10] do_syscall_64+0xc6/0x1e0 [ 3012.553355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3012.553355][ T10] [ 3012.554935][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3012.554935][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3012.554935][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3012.554935][ T10] ipv6_find_idev+0x102/0x170 [ 3012.554935][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3012.554935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3012.554935][ T10] netlink_rcv_skb+0x130/0x360 [ 3012.554935][ T10] netlink_unicast+0x449/0x710 [ 3012.554935][ T10] netlink_sendmsg+0x723/0xbe0 [ 3012.554935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3012.554935][ T10] ___sys_sendmsg+0xee/0x170 [ 3012.554935][ T10] __sys_sendmsg+0xcd/0x170 [ 3012.554935][ T10] do_syscall_64+0xc6/0x1e0 [ 3012.554935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3012.554935][ T10] [ 3012.556647][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3012.556897][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3012.556897][ T10] netdev_get_by_index+0x5e/0x80 [ 3012.556897][ T10] fib6_nh_init+0x3d8/0x1580 [ 3012.556897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3012.556897][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3012.556897][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3012.556897][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3012.556897][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3012.556897][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3012.556897][ T10] addrconf_dad_begin+0x310/0x670 [ 3012.556897][ T10] addrconf_dad_work+0x10b/0xab0 [ 3012.556897][ T10] process_one_work+0x84d/0x18a0 [ 3012.556897][ T10] worker_thread+0x587/0xd30 [ 3012.556897][ T10] kthread+0x28a/0x350 [ 3012.556897][ T10] ret_from_fork+0x31/0x70 [ 3012.556897][ T10] ret_from_fork_asm+0x1a/0x30 [ 3012.556897][ T10] [ 3012.558823][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3012.558823][ T10] netdev_get_by_index+0x5e/0x80 [ 3012.558823][ T10] fib6_nh_init+0x3d8/0x1580 [ 3012.558823][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3012.558823][ T10] ip6_route_add+0x1c/0x140 [ 3012.558823][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3012.558823][ T10] inet6_addr_add+0x4f8/0xa40 [ 3012.558823][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3012.558823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3012.558823][ T10] netlink_rcv_skb+0x130/0x360 [ 3012.558823][ T10] netlink_unicast+0x449/0x710 [ 3012.558823][ T10] netlink_sendmsg+0x723/0xbe0 [ 3012.558823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3012.558823][ T10] ___sys_sendmsg+0xee/0x170 [ 3012.558823][ T10] __sys_sendmsg+0xcd/0x170 [ 3012.558823][ T10] do_syscall_64+0xc6/0x1e0 [ 3012.558823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3012.558823][ T10] [ 3012.560821][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3012.560821][ T10] netdev_get_by_index+0x5e/0x80 [ 3012.560821][ T10] fib6_nh_init+0x3d8/0x1580 [ 3012.560821][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3012.560821][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3012.560821][ T10] ipv6_add_addr+0x411/0x2000 [ 3012.560821][ T10] inet6_addr_add+0x30e/0xa40 [ 3012.560821][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3012.560821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3012.560821][ T10] netlink_rcv_skb+0x130/0x360 [ 3012.560821][ T10] netlink_unicast+0x449/0x710 [ 3012.560821][ T10] netlink_sendmsg+0x723/0xbe0 [ 3012.560821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3012.560821][ T10] ___sys_sendmsg+0xee/0x170 [ 3012.560821][ T10] __sys_sendmsg+0xcd/0x170 [ 3012.560821][ T10] do_syscall_64+0xc6/0x1e0 [ 3012.560821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3012.560821][ T10] [ 3012.562912][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3012.562912][ T10] netdev_get_by_index+0x5e/0x80 [ 3012.562912][ T10] fib6_nh_init+0x3d8/0x1580 [ 3012.562912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3012.562912][ T10] ip6_route_add+0x1c/0x140 [ 3012.562912][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3012.562912][ T10] addrconf_add_dev+0xe2/0x170 [ 3012.562912][ T10] inet6_addr_add+0x12f/0xa40 [ 3012.562912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3012.562912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3012.562912][ T10] netlink_rcv_skb+0x130/0x360 [ 3012.562912][ T10] netlink_unicast+0x449/0x710 [ 3012.562912][ T10] netlink_sendmsg+0x723/0xbe0 [ 3012.562912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3012.562912][ T10] ___sys_sendmsg+0xee/0x170 [ 3012.562912][ T10] __sys_sendmsg+0xcd/0x170 [ 3012.562912][ T10] do_syscall_64+0xc6/0x1e0 [ 3012.562912][ T10] [ 3012.564893][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3012.564893][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3012.564893][ T10] ipv6_find_idev+0x102/0x170 [ 3012.564893][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3012.564893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3012.564893][ T10] netlink_rcv_skb+0x130/0x360 [ 3012.564893][ T10] netlink_unicast+0x449/0x710 [ 3012.564893][ T10] netlink_sendmsg+0x723/0xbe0 [ 3012.564893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3012.564893][ T10] ___sys_sendmsg+0xee/0x170 [ 3012.564893][ T10] __sys_sendmsg+0xcd/0x170 [ 3012.564893][ T10] do_syscall_64+0xc6/0x1e0 [ 3012.564893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3012.564893][ T10] [ 3012.566428][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3012.566428][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3012.566428][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3012.566428][ T10] ipv6_find_idev+0x102/0x170 [ 3012.566428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3012.566428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3012.566428][ T10] netlink_rcv_skb+0x130/0x360 [ 3012.566428][ T10] netlink_unicast+0x449/0x710 [ 3012.566428][ T10] netlink_sendmsg+0x723/0xbe0 [ 3012.566428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3012.566428][ T10] ___sys_sendmsg+0xee/0x170 [ 3012.566428][ T10] __sys_sendmsg+0xcd/0x170 [ 3012.566428][ T10] do_syscall_64+0xc6/0x1e0 [ 3012.566428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3012.566428][ T10] [ 3012.568138][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3012.568387][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3012.568387][ T10] netdev_get_by_index+0x5e/0x80 [ 3012.568387][ T10] fib6_nh_init+0x3d8/0x1580 [ 3012.568387][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3012.568387][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3012.568387][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3012.568387][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3012.568387][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3012.568387][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3012.568387][ T10] addrconf_dad_begin+0x310/0x670 [ 3012.568387][ T10] addrconf_dad_work+0x10b/0xab0 [ 3012.568387][ T10] process_one_work+0x84d/0x18a0 [ 3012.568387][ T10] worker_thread+0x587/0xd30 [ 3012.568387][ T10] kthread+0x28a/0x350 [ 3012.568387][ T10] ret_from_fork+0x31/0x70 [ 3012.568387][ T10] ret_from_fork_asm+0x1a/0x30 [ 3012.568387][ T10] [ 3012.570303][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3012.570303][ T10] netdev_get_by_index+0x5e/0x80 [ 3012.570303][ T10] fib6_nh_init+0x3d8/0x1580 [ 3012.570303][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3012.570303][ T10] ip6_route_add+0x1c/0x140 [ 3012.570303][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3012.570303][ T10] inet6_addr_add+0x4f8/0xa40 [ 3012.570303][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3012.570303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3012.570303][ T10] netlink_rcv_skb+0x130/0x360 [ 3012.570303][ T10] netlink_unicast+0x449/0x710 [ 3012.570303][ T10] netlink_sendmsg+0x723/0xbe0 [ 3012.570303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3012.570303][ T10] ___sys_sendmsg+0xee/0x170 [ 3012.570303][ T10] __sys_sendmsg+0xcd/0x170 [ 3012.570303][ T10] do_syscall_64+0xc6/0x1e0 [ 3012.570303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3012.570303][ T10] [ 3012.572486][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3012.572486][ T10] netdev_get_by_index+0x5e/0x80 [ 3012.572486][ T10] fib6_nh_init+0x3d8/0x1580 [ 3012.572486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3012.572486][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3012.572486][ T10] ipv6_add_addr+0x411/0x2000 [ 3012.572486][ T10] inet6_addr_add+0x30e/0xa40 [ 3012.572486][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3012.572486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3012.572486][ T10] netlink_rcv_skb+0x130/0x360 [ 3012.572486][ T10] netlink_unicast+0x449/0x710 [ 3012.572486][ T10] netlink_sendmsg+0x723/0xbe0 [ 3012.572486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3012.572486][ T10] ___sys_sendmsg+0xee/0x170 [ 3012.572486][ T10] __sys_sendmsg+0xcd/0x170 [ 3012.572486][ T10] do_syscall_64+0xc6/0x1e0 [ 3012.572486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3012.572486][ T10] [ 3012.574794][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3012.574794][ T10] netdev_get_by_index+0x5e/0x80 [ 3012.574794][ T10] fib6_nh_init+0x3d8/0x1580 [ 3012.574794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3012.574794][ T10] ip6_route_add+0x1c/0x140 [ 3012.574794][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3012.574794][ T10] addrconf_add_dev+0xe2/0x170 [ 3012.574794][ T10] inet6_addr_add+0x12f/0xa40 [ 3012.574794][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3012.574794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3012.574794][ T10] netlink_rcv_skb+0x130/0x360 [ 3012.574794][ T10] netlink_unicast+0x449/0x710 [ 3012.574794][ T10] netlink_sendmsg+0x723/0xbe0 [ 3012.574794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3012.574794][ T10] ___sys_sendmsg+0xee/0x170 [ 3012.574794][ T10] __sys_sendmsg+0xcd/0x170 [ 3012.574794][ T10] do_syscall_64+0xc6/0x1e0 [ 3012.574794][ T10] [ 3012.577062][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3012.577062][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3012.577062][ T10] ipv6_find_idev+0x102/0x170 [ 3012.577062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3012.577062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3012.577062][ T10] netlink_rcv_skb+0x130/0x360 [ 3012.577062][ T10] netlink_unicast+0x449/0x710 [ 3012.577062][ T10] netlink_sendmsg+0x723/0xbe0 [ 3012.577062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3012.577062][ T10] ___sys_sendmsg+0xee/0x170 [ 3012.577062][ T10] __sys_sendmsg+0xcd/0x170 [ 3012.577062][ T10] do_syscall_64+0xc6/0x1e0 [ 3012.577062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3012.577062][ T10] [ 3012.578786][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3012.578786][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3012.578786][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3012.578786][ T10] ipv6_find_idev+0x102/0x170 [ 3012.578786][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3012.578786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3012.578786][ T10] netlink_rcv_skb+0x130/0x360 [ 3012.578786][ T10] netlink_unicast+0x449/0x710 [ 3012.578786][ T10] netlink_sendmsg+0x723/0xbe0 [ 3012.578786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3012.578786][ T10] ___sys_sendmsg+0xee/0x170 [ 3012.578786][ T10] __sys_sendmsg+0xcd/0x170 [ 3012.578786][ T10] do_syscall_64+0xc6/0x1e0 [ 3012.578786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3012.578786][ T10] [ 3012.580667][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3012.580908][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3012.580908][ T10] netdev_get_by_index+0x5e/0x80 [ 3012.580908][ T10] fib6_nh_init+0x3d8/0x1580 [ 3012.580908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3012.580908][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3012.580908][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3012.580908][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3012.580908][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3012.580908][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3012.580908][ T10] addrconf_dad_begin+0x310/0x670 [ 3012.580908][ T10] addrconf_dad_work+0x10b/0xab0 [ 3012.580908][ T10] process_one_work+0x84d/0x18a0 [ 3012.580908][ T10] worker_thread+0x587/0xd30 [ 3012.580908][ T10] kthread+0x28a/0x350 [ 3012.580908][ T10] ret_from_fork+0x31/0x70 [ 3012.580908][ T10] ret_from_fork_asm+0x1a/0x30 [ 3012.580908][ T10] [ 3012.583074][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3012.583074][ T10] netdev_get_by_index+0x5e/0x80 [ 3012.583074][ T10] fib6_nh_init+0x3d8/0x1580 [ 3012.583074][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3012.583074][ T10] ip6_route_add+0x1c/0x140 [ 3012.583074][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3012.583074][ T10] inet6_addr_add+0x4f8/0xa40 [ 3012.583074][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3012.583074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3012.583074][ T10] netlink_rcv_skb+0x130/0x360 [ 3012.583074][ T10] netlink_unicast+0x449/0x710 [ 3012.583074][ T10] netlink_sendmsg+0x723/0xbe0 [ 3012.583074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3012.583074][ T10] ___sys_sendmsg+0xee/0x170 [ 3012.583074][ T10] __sys_sendmsg+0xcd/0x170 [ 3012.583074][ T10] do_syscall_64+0xc6/0x1e0 [ 3012.583074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3012.583074][ T10] [ 3012.585324][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3012.585324][ T10] netdev_get_by_index+0x5e/0x80 [ 3012.585324][ T10] fib6_nh_init+0x3d8/0x1580 [ 3012.585324][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3012.585324][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3012.585324][ T10] ipv6_add_addr+0x411/0x2000 [ 3012.585324][ T10] inet6_addr_add+0x30e/0xa40 [ 3012.585324][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3012.585324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3012.585324][ T10] netlink_rcv_skb+0x130/0x360 [ 3012.585324][ T10] netlink_unicast+0x449/0x710 [ 3012.585324][ T10] netlink_sendmsg+0x723/0xbe0 [ 3012.585324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3012.585324][ T10] ___sys_sendmsg+0xee/0x170 [ 3012.585324][ T10] __sys_sendmsg+0xcd/0x170 [ 3012.585324][ T10] do_syscall_64+0xc6/0x1e0 [ 3012.585324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3012.585324][ T10] [ 3012.587636][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3012.587636][ T10] netdev_get_by_index+0x5e/0x80 [ 3012.587636][ T10] fib6_nh_init+0x3d8/0x1580 [ 3012.587636][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3012.587636][ T10] ip6_route_add+0x1c/0x140 [ 3012.587636][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3012.587636][ T10] addrconf_add_dev+0xe2/0x170 [ 3012.587636][ T10] inet6_addr_add+0x12f/0xa40 [ 3012.587636][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3012.587636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3012.587636][ T10] netlink_rcv_skb+0x130/0x360 [ 3012.587636][ T10] netlink_unicast+0x449/0x710 [ 3012.587636][ T10] netlink_sendmsg+0x723/0xbe0 [ 3012.587636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3012.587636][ T10] ___sys_sendmsg+0xee/0x170 [ 3012.587636][ T10] __sys_sendmsg+0xcd/0x170 [ 3012.587636][ T10] do_syscall_64+0xc6/0x1e0 [ 3012.587636][ T10] [ 3012.589782][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3012.589782][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3012.589782][ T10] ipv6_find_idev+0x102/0x170 [ 3012.589782][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3012.589782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3012.589782][ T10] netlink_rcv_skb+0x130/0x360 [ 3012.589782][ T10] netlink_unicast+0x449/0x710 [ 3012.589782][ T10] netlink_sendmsg+0x723/0xbe0 [ 3012.589782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3012.589782][ T10] ___sys_sendmsg+0xee/0x170 [ 3012.589782][ T10] __sys_sendmsg+0xcd/0x170 [ 3012.589782][ T10] do_syscall_64+0xc6/0x1e0 [ 3012.589782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3012.589782][ T10] [ 3012.591509][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3012.591509][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3012.591509][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3012.591509][ T10] ipv6_find_idev+0x102/0x170 [ 3012.591509][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3012.591509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3012.591509][ T10] netlink_rcv_skb+0x130/0x360 [ 3012.591509][ T10] netlink_unicast+0x449/0x710 [ 3012.591509][ T10] netlink_sendmsg+0x723/0xbe0 [ 3012.591509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3012.591509][ T10] ___sys_sendmsg+0xee/0x170 [ 3012.591509][ T10] __sys_sendmsg+0xcd/0x170 [ 3012.591509][ T10] do_syscall_64+0xc6/0x1e0 [ 3012.591509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3012.591509][ T10] [ 3014.545093][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3014.545549][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3014.545549][ T1167] dst_init+0x84/0x4a0 [ 3014.545549][ T1167] dst_alloc+0x97/0x150 [ 3014.545549][ T1167] ip6_dst_alloc+0x23/0x90 [ 3014.545549][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3014.545549][ T1167] ip6_pol_route+0x56f/0x840 [ 3014.545549][ T1167] fib6_rule_lookup+0x334/0x630 [ 3014.545549][ T1167] ip6_route_output_flags+0x259/0x480 [ 3014.545549][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3014.545549][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3014.545549][ T1167] netlink_rcv_skb+0x130/0x360 [ 3014.545549][ T1167] netlink_unicast+0x449/0x710 [ 3014.545549][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3014.545549][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3014.545549][ T1167] ___sys_sendmsg+0xee/0x170 [ 3014.545549][ T1167] __sys_sendmsg+0xcd/0x170 [ 3014.545549][ T1167] do_syscall_64+0xc6/0x1e0 [ 3014.545549][ T1167] [ 3014.547779][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3014.547779][ T1167] netdev_get_by_index+0x5e/0x80 [ 3014.547779][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3014.547779][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3014.547779][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3014.547779][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3014.547779][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3014.547779][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3014.547779][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3014.547779][ T1167] addrconf_dad_begin+0x310/0x670 [ 3014.547779][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3014.547779][ T1167] process_one_work+0x84d/0x18a0 [ 3014.547779][ T1167] worker_thread+0x587/0xd30 [ 3014.547779][ T1167] kthread+0x28a/0x350 [ 3014.547779][ T1167] ret_from_fork+0x31/0x70 [ 3014.547779][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3014.547779][ T1167] [ 3014.549959][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3014.549959][ T1167] netdev_get_by_index+0x5e/0x80 [ 3014.549959][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3014.549959][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3014.549959][ T1167] ip6_route_add+0x1c/0x140 [ 3014.549959][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3014.549959][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3014.549959][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3014.549959][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3014.549959][ T1167] netlink_rcv_skb+0x130/0x360 [ 3014.549959][ T1167] netlink_unicast+0x449/0x710 [ 3014.549959][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3014.549959][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3014.549959][ T1167] ___sys_sendmsg+0xee/0x170 [ 3014.549959][ T1167] __sys_sendmsg+0xcd/0x170 [ 3014.549959][ T1167] do_syscall_64+0xc6/0x1e0 [ 3014.549959][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3014.549959][ T1167] [ 3014.552250][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3014.552250][ T1167] netdev_get_by_index+0x5e/0x80 [ 3014.552250][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3014.552250][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3014.552250][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3014.552250][ T1167] ipv6_add_addr+0x411/0x2000 [ 3014.552250][ T1167] inet6_addr_add+0x30e/0xa40 [ 3014.552250][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3014.552250][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3014.552250][ T1167] netlink_rcv_skb+0x130/0x360 [ 3014.552250][ T1167] netlink_unicast+0x449/0x710 [ 3014.552250][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3014.552250][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3014.552250][ T1167] ___sys_sendmsg+0xee/0x170 [ 3014.552250][ T1167] __sys_sendmsg+0xcd/0x170 [ 3014.552250][ T1167] do_syscall_64+0xc6/0x1e0 [ 3014.552250][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3014.552250][ T1167] [ 3014.554541][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3014.554541][ T1167] netdev_get_by_index+0x5e/0x80 [ 3014.554541][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3014.554541][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3014.554541][ T1167] ip6_route_add+0x1c/0x140 [ 3014.554541][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3014.554541][ T1167] addrconf_add_dev+0xe2/0x170 [ 3014.554541][ T1167] inet6_addr_add+0x12f/0xa40 [ 3014.554541][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3014.554541][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3014.554541][ T1167] netlink_rcv_skb+0x130/0x360 [ 3014.554541][ T1167] netlink_unicast+0x449/0x710 [ 3014.554541][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3014.554541][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3014.554541][ T1167] ___sys_sendmsg+0xee/0x170 [ 3014.554541][ T1167] __sys_sendmsg+0xcd/0x170 [ 3014.554541][ T1167] do_syscall_64+0xc6/0x1e0 [ 3014.554541][ T1167] [ 3014.556774][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3014.556774][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3014.556774][ T1167] ipv6_find_idev+0x102/0x170 [ 3014.556774][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3014.556774][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3014.556774][ T1167] netlink_rcv_skb+0x130/0x360 [ 3014.556774][ T1167] netlink_unicast+0x449/0x710 [ 3014.556774][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3014.556774][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3014.556774][ T1167] ___sys_sendmsg+0xee/0x170 [ 3014.556774][ T1167] __sys_sendmsg+0xcd/0x170 [ 3014.556774][ T1167] do_syscall_64+0xc6/0x1e0 [ 3014.556774][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3014.556774][ T1167] [ 3014.558525][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3014.558525][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3014.558525][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3014.558525][ T1167] ipv6_find_idev+0x102/0x170 [ 3014.558525][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3014.558525][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3014.558525][ T1167] netlink_rcv_skb+0x130/0x360 [ 3014.558525][ T1167] netlink_unicast+0x449/0x710 [ 3014.558525][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3014.558525][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3014.558525][ T1167] ___sys_sendmsg+0xee/0x170 [ 3014.558525][ T1167] __sys_sendmsg+0xcd/0x170 [ 3014.558525][ T1167] do_syscall_64+0xc6/0x1e0 [ 3014.558525][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3014.558525][ T1167] [ 3022.849054][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3022.849431][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3022.849431][ T10] netdev_get_by_index+0x5e/0x80 [ 3022.849431][ T10] fib6_nh_init+0x3d8/0x1580 [ 3022.849431][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3022.849431][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3022.849431][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3022.849431][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3022.849431][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3022.849431][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3022.849431][ T10] addrconf_dad_begin+0x310/0x670 [ 3022.849431][ T10] addrconf_dad_work+0x10b/0xab0 [ 3022.849431][ T10] process_one_work+0x84d/0x18a0 [ 3022.849431][ T10] worker_thread+0x587/0xd30 [ 3022.849431][ T10] kthread+0x28a/0x350 [ 3022.849431][ T10] ret_from_fork+0x31/0x70 [ 3022.849431][ T10] ret_from_fork_asm+0x1a/0x30 [ 3022.849431][ T10] [ 3022.851381][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3022.851381][ T10] netdev_get_by_index+0x5e/0x80 [ 3022.851381][ T10] fib6_nh_init+0x3d8/0x1580 [ 3022.851381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3022.851381][ T10] ip6_route_add+0x1c/0x140 [ 3022.851381][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3022.851381][ T10] inet6_addr_add+0x4f8/0xa40 [ 3022.851381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3022.851381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3022.851381][ T10] netlink_rcv_skb+0x130/0x360 [ 3022.851381][ T10] netlink_unicast+0x449/0x710 [ 3022.851381][ T10] netlink_sendmsg+0x723/0xbe0 [ 3022.851381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3022.851381][ T10] ___sys_sendmsg+0xee/0x170 [ 3022.851381][ T10] __sys_sendmsg+0xcd/0x170 [ 3022.851381][ T10] do_syscall_64+0xc6/0x1e0 [ 3022.851381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3022.851381][ T10] [ 3022.853402][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3022.853402][ T10] netdev_get_by_index+0x5e/0x80 [ 3022.853402][ T10] fib6_nh_init+0x3d8/0x1580 [ 3022.853402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3022.853402][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3022.853402][ T10] ipv6_add_addr+0x411/0x2000 [ 3022.853402][ T10] inet6_addr_add+0x30e/0xa40 [ 3022.853402][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3022.853402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3022.853402][ T10] netlink_rcv_skb+0x130/0x360 [ 3022.853402][ T10] netlink_unicast+0x449/0x710 [ 3022.853402][ T10] netlink_sendmsg+0x723/0xbe0 [ 3022.853402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3022.853402][ T10] ___sys_sendmsg+0xee/0x170 [ 3022.853402][ T10] __sys_sendmsg+0xcd/0x170 [ 3022.853402][ T10] do_syscall_64+0xc6/0x1e0 [ 3022.853402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3022.853402][ T10] [ 3022.855479][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3022.855479][ T10] netdev_get_by_index+0x5e/0x80 [ 3022.855479][ T10] fib6_nh_init+0x3d8/0x1580 [ 3022.855479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3022.855479][ T10] ip6_route_add+0x1c/0x140 [ 3022.855479][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3022.855479][ T10] addrconf_add_dev+0xe2/0x170 [ 3022.855479][ T10] inet6_addr_add+0x12f/0xa40 [ 3022.855479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3022.855479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3022.855479][ T10] netlink_rcv_skb+0x130/0x360 [ 3022.855479][ T10] netlink_unicast+0x449/0x710 [ 3022.855479][ T10] netlink_sendmsg+0x723/0xbe0 [ 3022.855479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3022.855479][ T10] ___sys_sendmsg+0xee/0x170 [ 3022.855479][ T10] __sys_sendmsg+0xcd/0x170 [ 3022.855479][ T10] do_syscall_64+0xc6/0x1e0 [ 3022.855479][ T10] [ 3022.857470][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3022.857470][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3022.857470][ T10] ipv6_find_idev+0x102/0x170 [ 3022.857470][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3022.857470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3022.857470][ T10] netlink_rcv_skb+0x130/0x360 [ 3022.857470][ T10] netlink_unicast+0x449/0x710 [ 3022.857470][ T10] netlink_sendmsg+0x723/0xbe0 [ 3022.857470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3022.857470][ T10] ___sys_sendmsg+0xee/0x170 [ 3022.857470][ T10] __sys_sendmsg+0xcd/0x170 [ 3022.857470][ T10] do_syscall_64+0xc6/0x1e0 [ 3022.857470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3022.857470][ T10] [ 3022.859022][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3022.859022][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3022.859022][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3022.859022][ T10] ipv6_find_idev+0x102/0x170 [ 3022.859022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3022.859022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3022.859022][ T10] netlink_rcv_skb+0x130/0x360 [ 3022.859022][ T10] netlink_unicast+0x449/0x710 [ 3022.859022][ T10] netlink_sendmsg+0x723/0xbe0 [ 3022.859022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3022.859022][ T10] ___sys_sendmsg+0xee/0x170 [ 3022.859022][ T10] __sys_sendmsg+0xcd/0x170 [ 3022.859022][ T10] do_syscall_64+0xc6/0x1e0 [ 3022.859022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3022.859022][ T10] [ 3022.860756][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3022.861007][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3022.861007][ T10] netdev_get_by_index+0x5e/0x80 [ 3022.861007][ T10] fib6_nh_init+0x3d8/0x1580 [ 3022.861007][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3022.861007][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3022.861007][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3022.861007][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3022.861007][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3022.861007][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3022.861007][ T10] addrconf_dad_begin+0x310/0x670 [ 3022.861007][ T10] addrconf_dad_work+0x10b/0xab0 [ 3022.861007][ T10] process_one_work+0x84d/0x18a0 [ 3022.861007][ T10] worker_thread+0x587/0xd30 [ 3022.861007][ T10] kthread+0x28a/0x350 [ 3022.861007][ T10] ret_from_fork+0x31/0x70 [ 3022.861007][ T10] ret_from_fork_asm+0x1a/0x30 [ 3022.861007][ T10] [ 3022.863463][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3022.863463][ T10] netdev_get_by_index+0x5e/0x80 [ 3022.863463][ T10] fib6_nh_init+0x3d8/0x1580 [ 3022.863463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3022.863463][ T10] ip6_route_add+0x1c/0x140 [ 3022.863463][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3022.863463][ T10] inet6_addr_add+0x4f8/0xa40 [ 3022.863463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3022.863463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3022.863463][ T10] netlink_rcv_skb+0x130/0x360 [ 3022.863463][ T10] netlink_unicast+0x449/0x710 [ 3022.863463][ T10] netlink_sendmsg+0x723/0xbe0 [ 3022.863463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3022.863463][ T10] ___sys_sendmsg+0xee/0x170 [ 3022.863463][ T10] __sys_sendmsg+0xcd/0x170 [ 3022.863463][ T10] do_syscall_64+0xc6/0x1e0 [ 3022.863463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3022.863463][ T10] [ 3022.865879][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3022.865879][ T10] netdev_get_by_index+0x5e/0x80 [ 3022.865879][ T10] fib6_nh_init+0x3d8/0x1580 [ 3022.865879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3022.865879][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3022.865879][ T10] ipv6_add_addr+0x411/0x2000 [ 3022.865879][ T10] inet6_addr_add+0x30e/0xa40 [ 3022.865879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3022.865879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3022.865879][ T10] netlink_rcv_skb+0x130/0x360 [ 3022.865879][ T10] netlink_unicast+0x449/0x710 [ 3022.865879][ T10] netlink_sendmsg+0x723/0xbe0 [ 3022.865879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3022.865879][ T10] ___sys_sendmsg+0xee/0x170 [ 3022.865879][ T10] __sys_sendmsg+0xcd/0x170 [ 3022.865879][ T10] do_syscall_64+0xc6/0x1e0 [ 3022.865879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3022.865879][ T10] [ 3022.867897][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3022.867897][ T10] netdev_get_by_index+0x5e/0x80 [ 3022.867897][ T10] fib6_nh_init+0x3d8/0x1580 [ 3022.867897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3022.867897][ T10] ip6_route_add+0x1c/0x140 [ 3022.867897][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3022.867897][ T10] addrconf_add_dev+0xe2/0x170 [ 3022.867897][ T10] inet6_addr_add+0x12f/0xa40 [ 3022.867897][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3022.867897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3022.867897][ T10] netlink_rcv_skb+0x130/0x360 [ 3022.867897][ T10] netlink_unicast+0x449/0x710 [ 3022.867897][ T10] netlink_sendmsg+0x723/0xbe0 [ 3022.867897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3022.867897][ T10] ___sys_sendmsg+0xee/0x170 [ 3022.867897][ T10] __sys_sendmsg+0xcd/0x170 [ 3022.867897][ T10] do_syscall_64+0xc6/0x1e0 [ 3022.867897][ T10] [ 3022.869883][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3022.869883][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3022.869883][ T10] ipv6_find_idev+0x102/0x170 [ 3022.869883][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3022.869883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3022.869883][ T10] netlink_rcv_skb+0x130/0x360 [ 3022.869883][ T10] netlink_unicast+0x449/0x710 [ 3022.869883][ T10] netlink_sendmsg+0x723/0xbe0 [ 3022.869883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3022.869883][ T10] ___sys_sendmsg+0xee/0x170 [ 3022.869883][ T10] __sys_sendmsg+0xcd/0x170 [ 3022.869883][ T10] do_syscall_64+0xc6/0x1e0 [ 3022.869883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3022.869883][ T10] [ 3022.871439][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3022.871439][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3022.871439][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3022.871439][ T10] ipv6_find_idev+0x102/0x170 [ 3022.871439][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3022.871439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3022.871439][ T10] netlink_rcv_skb+0x130/0x360 [ 3022.871439][ T10] netlink_unicast+0x449/0x710 [ 3022.871439][ T10] netlink_sendmsg+0x723/0xbe0 [ 3022.871439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3022.871439][ T10] ___sys_sendmsg+0xee/0x170 [ 3022.871439][ T10] __sys_sendmsg+0xcd/0x170 [ 3022.871439][ T10] do_syscall_64+0xc6/0x1e0 [ 3022.871439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3022.871439][ T10] [ 3022.873153][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3022.873402][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3022.873402][ T10] netdev_get_by_index+0x5e/0x80 [ 3022.873402][ T10] fib6_nh_init+0x3d8/0x1580 [ 3022.873402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3022.873402][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3022.873402][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3022.873402][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3022.873402][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3022.873402][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3022.873402][ T10] addrconf_dad_begin+0x310/0x670 [ 3022.873402][ T10] addrconf_dad_work+0x10b/0xab0 [ 3022.873402][ T10] process_one_work+0x84d/0x18a0 [ 3022.873402][ T10] worker_thread+0x587/0xd30 [ 3022.873402][ T10] kthread+0x28a/0x350 [ 3022.873402][ T10] ret_from_fork+0x31/0x70 [ 3022.873402][ T10] ret_from_fork_asm+0x1a/0x30 [ 3022.873402][ T10] [ 3022.875342][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3022.875342][ T10] netdev_get_by_index+0x5e/0x80 [ 3022.875342][ T10] fib6_nh_init+0x3d8/0x1580 [ 3022.875342][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3022.875342][ T10] ip6_route_add+0x1c/0x140 [ 3022.875342][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3022.875342][ T10] inet6_addr_add+0x4f8/0xa40 [ 3022.875342][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3022.875342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3022.875342][ T10] netlink_rcv_skb+0x130/0x360 [ 3022.875342][ T10] netlink_unicast+0x449/0x710 [ 3022.875342][ T10] netlink_sendmsg+0x723/0xbe0 [ 3022.875342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3022.875342][ T10] ___sys_sendmsg+0xee/0x170 [ 3022.875342][ T10] __sys_sendmsg+0xcd/0x170 [ 3022.875342][ T10] do_syscall_64+0xc6/0x1e0 [ 3022.875342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3022.875342][ T10] [ 3022.877562][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3022.877562][ T10] netdev_get_by_index+0x5e/0x80 [ 3022.877562][ T10] fib6_nh_init+0x3d8/0x1580 [ 3022.877562][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3022.877562][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3022.877562][ T10] ipv6_add_addr+0x411/0x2000 [ 3022.877562][ T10] inet6_addr_add+0x30e/0xa40 [ 3022.877562][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3022.877562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3022.877562][ T10] netlink_rcv_skb+0x130/0x360 [ 3022.877562][ T10] netlink_unicast+0x449/0x710 [ 3022.877562][ T10] netlink_sendmsg+0x723/0xbe0 [ 3022.877562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3022.877562][ T10] ___sys_sendmsg+0xee/0x170 [ 3022.877562][ T10] __sys_sendmsg+0xcd/0x170 [ 3022.877562][ T10] do_syscall_64+0xc6/0x1e0 [ 3022.877562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3022.877562][ T10] [ 3022.879879][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3022.879879][ T10] netdev_get_by_index+0x5e/0x80 [ 3022.879879][ T10] fib6_nh_init+0x3d8/0x1580 [ 3022.879879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3022.879879][ T10] ip6_route_add+0x1c/0x140 [ 3022.879879][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3022.879879][ T10] addrconf_add_dev+0xe2/0x170 [ 3022.879879][ T10] inet6_addr_add+0x12f/0xa40 [ 3022.879879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3022.879879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3022.879879][ T10] netlink_rcv_skb+0x130/0x360 [ 3022.879879][ T10] netlink_unicast+0x449/0x710 [ 3022.879879][ T10] netlink_sendmsg+0x723/0xbe0 [ 3022.879879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3022.879879][ T10] ___sys_sendmsg+0xee/0x170 [ 3022.879879][ T10] __sys_sendmsg+0xcd/0x170 [ 3022.879879][ T10] do_syscall_64+0xc6/0x1e0 [ 3022.879879][ T10] [ 3022.882104][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3022.882104][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3022.882104][ T10] ipv6_find_idev+0x102/0x170 [ 3022.882104][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3022.882104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3022.882104][ T10] netlink_rcv_skb+0x130/0x360 [ 3022.882104][ T10] netlink_unicast+0x449/0x710 [ 3022.882104][ T10] netlink_sendmsg+0x723/0xbe0 [ 3022.882104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3022.882104][ T10] ___sys_sendmsg+0xee/0x170 [ 3022.882104][ T10] __sys_sendmsg+0xcd/0x170 [ 3022.882104][ T10] do_syscall_64+0xc6/0x1e0 [ 3022.882104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3022.882104][ T10] [ 3022.883848][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3022.883848][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3022.883848][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3022.883848][ T10] ipv6_find_idev+0x102/0x170 [ 3022.883848][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3022.883848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3022.883848][ T10] netlink_rcv_skb+0x130/0x360 [ 3022.883848][ T10] netlink_unicast+0x449/0x710 [ 3022.883848][ T10] netlink_sendmsg+0x723/0xbe0 [ 3022.883848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3022.883848][ T10] ___sys_sendmsg+0xee/0x170 [ 3022.883848][ T10] __sys_sendmsg+0xcd/0x170 [ 3022.883848][ T10] do_syscall_64+0xc6/0x1e0 [ 3022.883848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3022.883848][ T10] [ 3022.885743][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3022.885991][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3022.885991][ T10] netdev_get_by_index+0x5e/0x80 [ 3022.885991][ T10] fib6_nh_init+0x3d8/0x1580 [ 3022.885991][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3022.885991][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3022.885991][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3022.885991][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3022.885991][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3022.885991][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3022.885991][ T10] addrconf_dad_begin+0x310/0x670 [ 3022.885991][ T10] addrconf_dad_work+0x10b/0xab0 [ 3022.885991][ T10] process_one_work+0x84d/0x18a0 [ 3022.885991][ T10] worker_thread+0x587/0xd30 [ 3022.885991][ T10] kthread+0x28a/0x350 [ 3022.885991][ T10] ret_from_fork+0x31/0x70 [ 3022.885991][ T10] ret_from_fork_asm+0x1a/0x30 [ 3022.885991][ T10] [ 3022.888206][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3022.888206][ T10] netdev_get_by_index+0x5e/0x80 [ 3022.888206][ T10] fib6_nh_init+0x3d8/0x1580 [ 3022.888206][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3022.888206][ T10] ip6_route_add+0x1c/0x140 [ 3022.888206][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3022.888206][ T10] inet6_addr_add+0x4f8/0xa40 [ 3022.888206][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3022.888206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3022.888206][ T10] netlink_rcv_skb+0x130/0x360 [ 3022.888206][ T10] netlink_unicast+0x449/0x710 [ 3022.888206][ T10] netlink_sendmsg+0x723/0xbe0 [ 3022.888206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3022.888206][ T10] ___sys_sendmsg+0xee/0x170 [ 3022.888206][ T10] __sys_sendmsg+0xcd/0x170 [ 3022.888206][ T10] do_syscall_64+0xc6/0x1e0 [ 3022.888206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3022.888206][ T10] [ 3022.890549][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3022.890549][ T10] netdev_get_by_index+0x5e/0x80 [ 3022.890549][ T10] fib6_nh_init+0x3d8/0x1580 [ 3022.890549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3022.890549][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3022.890549][ T10] ipv6_add_addr+0x411/0x2000 [ 3022.890549][ T10] inet6_addr_add+0x30e/0xa40 [ 3022.890549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3022.890549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3022.890549][ T10] netlink_rcv_skb+0x130/0x360 [ 3022.890549][ T10] netlink_unicast+0x449/0x710 [ 3022.890549][ T10] netlink_sendmsg+0x723/0xbe0 [ 3022.890549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3022.890549][ T10] ___sys_sendmsg+0xee/0x170 [ 3022.890549][ T10] __sys_sendmsg+0xcd/0x170 [ 3022.890549][ T10] do_syscall_64+0xc6/0x1e0 [ 3022.890549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3022.890549][ T10] [ 3022.892812][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3022.892812][ T10] netdev_get_by_index+0x5e/0x80 [ 3022.892812][ T10] fib6_nh_init+0x3d8/0x1580 [ 3022.892812][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3022.892812][ T10] ip6_route_add+0x1c/0x140 [ 3022.892812][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3022.892812][ T10] addrconf_add_dev+0xe2/0x170 [ 3022.892812][ T10] inet6_addr_add+0x12f/0xa40 [ 3022.892812][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3022.892812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3022.892812][ T10] netlink_rcv_skb+0x130/0x360 [ 3022.892812][ T10] netlink_unicast+0x449/0x710 [ 3022.892812][ T10] netlink_sendmsg+0x723/0xbe0 [ 3022.892812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3022.892812][ T10] ___sys_sendmsg+0xee/0x170 [ 3022.892812][ T10] __sys_sendmsg+0xcd/0x170 [ 3022.892812][ T10] do_syscall_64+0xc6/0x1e0 [ 3022.892812][ T10] [ 3022.894984][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3022.894984][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3022.894984][ T10] ipv6_find_idev+0x102/0x170 [ 3022.894984][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3022.894984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3022.894984][ T10] netlink_rcv_skb+0x130/0x360 [ 3022.894984][ T10] netlink_unicast+0x449/0x710 [ 3022.894984][ T10] netlink_sendmsg+0x723/0xbe0 [ 3022.894984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3022.894984][ T10] ___sys_sendmsg+0xee/0x170 [ 3022.894984][ T10] __sys_sendmsg+0xcd/0x170 [ 3022.894984][ T10] do_syscall_64+0xc6/0x1e0 [ 3022.894984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3022.894984][ T10] [ 3022.896725][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3022.896725][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3022.896725][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3022.896725][ T10] ipv6_find_idev+0x102/0x170 [ 3022.896725][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3022.896725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3022.896725][ T10] netlink_rcv_skb+0x130/0x360 [ 3022.896725][ T10] netlink_unicast+0x449/0x710 [ 3022.896725][ T10] netlink_sendmsg+0x723/0xbe0 [ 3022.896725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3022.896725][ T10] ___sys_sendmsg+0xee/0x170 [ 3022.896725][ T10] __sys_sendmsg+0xcd/0x170 [ 3022.896725][ T10] do_syscall_64+0xc6/0x1e0 [ 3022.896725][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3022.896725][ T10] [ 3024.809047][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3024.809470][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3024.809470][ T1167] dst_init+0x84/0x4a0 [ 3024.809470][ T1167] dst_alloc+0x97/0x150 [ 3024.809470][ T1167] ip6_dst_alloc+0x23/0x90 [ 3024.809470][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3024.809470][ T1167] ip6_pol_route+0x56f/0x840 [ 3024.809470][ T1167] fib6_rule_lookup+0x334/0x630 [ 3024.809470][ T1167] ip6_route_output_flags+0x259/0x480 [ 3024.809470][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3024.809470][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3024.809470][ T1167] netlink_rcv_skb+0x130/0x360 [ 3024.809470][ T1167] netlink_unicast+0x449/0x710 [ 3024.809470][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3024.809470][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3024.809470][ T1167] ___sys_sendmsg+0xee/0x170 [ 3024.809470][ T1167] __sys_sendmsg+0xcd/0x170 [ 3024.809470][ T1167] do_syscall_64+0xc6/0x1e0 [ 3024.809470][ T1167] [ 3024.811678][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3024.811678][ T1167] netdev_get_by_index+0x5e/0x80 [ 3024.811678][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3024.811678][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3024.811678][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3024.811678][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3024.811678][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3024.811678][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3024.811678][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3024.811678][ T1167] addrconf_dad_begin+0x310/0x670 [ 3024.811678][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3024.811678][ T1167] process_one_work+0x84d/0x18a0 [ 3024.811678][ T1167] worker_thread+0x587/0xd30 [ 3024.811678][ T1167] kthread+0x28a/0x350 [ 3024.811678][ T1167] ret_from_fork+0x31/0x70 [ 3024.811678][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3024.811678][ T1167] [ 3024.813956][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3024.813956][ T1167] netdev_get_by_index+0x5e/0x80 [ 3024.813956][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3024.813956][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3024.813956][ T1167] ip6_route_add+0x1c/0x140 [ 3024.813956][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3024.813956][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3024.813956][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3024.813956][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.813956][ T1167] netlink_rcv_skb+0x130/0x360 [ 3024.813956][ T1167] netlink_unicast+0x449/0x710 [ 3024.813956][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3024.813956][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3024.813956][ T1167] ___sys_sendmsg+0xee/0x170 [ 3024.813956][ T1167] __sys_sendmsg+0xcd/0x170 [ 3024.813956][ T1167] do_syscall_64+0xc6/0x1e0 [ 3024.813956][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.813956][ T1167] [ 3024.816252][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3024.816252][ T1167] netdev_get_by_index+0x5e/0x80 [ 3024.816252][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3024.816252][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3024.816252][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3024.816252][ T1167] ipv6_add_addr+0x411/0x2000 [ 3024.816252][ T1167] inet6_addr_add+0x30e/0xa40 [ 3024.816252][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3024.816252][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.816252][ T1167] netlink_rcv_skb+0x130/0x360 [ 3024.816252][ T1167] netlink_unicast+0x449/0x710 [ 3024.816252][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3024.816252][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3024.816252][ T1167] ___sys_sendmsg+0xee/0x170 [ 3024.816252][ T1167] __sys_sendmsg+0xcd/0x170 [ 3024.816252][ T1167] do_syscall_64+0xc6/0x1e0 [ 3024.816252][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.816252][ T1167] [ 3024.818567][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3024.818567][ T1167] netdev_get_by_index+0x5e/0x80 [ 3024.818567][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3024.818567][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3024.818567][ T1167] ip6_route_add+0x1c/0x140 [ 3024.818567][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3024.818567][ T1167] addrconf_add_dev+0xe2/0x170 [ 3024.818567][ T1167] inet6_addr_add+0x12f/0xa40 [ 3024.818567][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3024.818567][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.818567][ T1167] netlink_rcv_skb+0x130/0x360 [ 3024.818567][ T1167] netlink_unicast+0x449/0x710 [ 3024.818567][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3024.818567][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3024.818567][ T1167] ___sys_sendmsg+0xee/0x170 [ 3024.818567][ T1167] __sys_sendmsg+0xcd/0x170 [ 3024.818567][ T1167] do_syscall_64+0xc6/0x1e0 [ 3024.818567][ T1167] [ 3024.820791][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3024.820791][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3024.820791][ T1167] ipv6_find_idev+0x102/0x170 [ 3024.820791][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3024.820791][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.820791][ T1167] netlink_rcv_skb+0x130/0x360 [ 3024.820791][ T1167] netlink_unicast+0x449/0x710 [ 3024.820791][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3024.820791][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3024.820791][ T1167] ___sys_sendmsg+0xee/0x170 [ 3024.820791][ T1167] __sys_sendmsg+0xcd/0x170 [ 3024.820791][ T1167] do_syscall_64+0xc6/0x1e0 [ 3024.820791][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.820791][ T1167] [ 3024.822631][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3024.822631][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3024.822631][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3024.822631][ T1167] ipv6_find_idev+0x102/0x170 [ 3024.822631][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3024.822631][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.822631][ T1167] netlink_rcv_skb+0x130/0x360 [ 3024.822631][ T1167] netlink_unicast+0x449/0x710 [ 3024.822631][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3024.822631][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3024.822631][ T1167] ___sys_sendmsg+0xee/0x170 [ 3024.822631][ T1167] __sys_sendmsg+0xcd/0x170 [ 3024.822631][ T1167] do_syscall_64+0xc6/0x1e0 [ 3024.822631][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.822631][ T1167] [ 3033.153145][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3033.153486][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3033.153486][ T10] netdev_get_by_index+0x5e/0x80 [ 3033.153486][ T10] fib6_nh_init+0x3d8/0x1580 [ 3033.153486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3033.153486][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3033.153486][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3033.153486][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3033.153486][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3033.153486][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3033.153486][ T10] addrconf_dad_begin+0x310/0x670 [ 3033.153486][ T10] addrconf_dad_work+0x10b/0xab0 [ 3033.153486][ T10] process_one_work+0x84d/0x18a0 [ 3033.153486][ T10] worker_thread+0x587/0xd30 [ 3033.153486][ T10] kthread+0x28a/0x350 [ 3033.153486][ T10] ret_from_fork+0x31/0x70 [ 3033.153486][ T10] ret_from_fork_asm+0x1a/0x30 [ 3033.153486][ T10] [ 3033.155473][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3033.155473][ T10] netdev_get_by_index+0x5e/0x80 [ 3033.155473][ T10] fib6_nh_init+0x3d8/0x1580 [ 3033.155473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3033.155473][ T10] ip6_route_add+0x1c/0x140 [ 3033.155473][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3033.155473][ T10] inet6_addr_add+0x4f8/0xa40 [ 3033.155473][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3033.155473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3033.155473][ T10] netlink_rcv_skb+0x130/0x360 [ 3033.155473][ T10] netlink_unicast+0x449/0x710 [ 3033.155473][ T10] netlink_sendmsg+0x723/0xbe0 [ 3033.155473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3033.155473][ T10] ___sys_sendmsg+0xee/0x170 [ 3033.155473][ T10] __sys_sendmsg+0xcd/0x170 [ 3033.155473][ T10] do_syscall_64+0xc6/0x1e0 [ 3033.155473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3033.155473][ T10] [ 3033.157479][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3033.157479][ T10] netdev_get_by_index+0x5e/0x80 [ 3033.157479][ T10] fib6_nh_init+0x3d8/0x1580 [ 3033.157479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3033.157479][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3033.157479][ T10] ipv6_add_addr+0x411/0x2000 [ 3033.157479][ T10] inet6_addr_add+0x30e/0xa40 [ 3033.157479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3033.157479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3033.157479][ T10] netlink_rcv_skb+0x130/0x360 [ 3033.157479][ T10] netlink_unicast+0x449/0x710 [ 3033.157479][ T10] netlink_sendmsg+0x723/0xbe0 [ 3033.157479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3033.157479][ T10] ___sys_sendmsg+0xee/0x170 [ 3033.157479][ T10] __sys_sendmsg+0xcd/0x170 [ 3033.157479][ T10] do_syscall_64+0xc6/0x1e0 [ 3033.157479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3033.157479][ T10] [ 3033.159511][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3033.159511][ T10] netdev_get_by_index+0x5e/0x80 [ 3033.159511][ T10] fib6_nh_init+0x3d8/0x1580 [ 3033.159511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3033.159511][ T10] ip6_route_add+0x1c/0x140 [ 3033.159511][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3033.159511][ T10] addrconf_add_dev+0xe2/0x170 [ 3033.159511][ T10] inet6_addr_add+0x12f/0xa40 [ 3033.159511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3033.159511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3033.159511][ T10] netlink_rcv_skb+0x130/0x360 [ 3033.159511][ T10] netlink_unicast+0x449/0x710 [ 3033.159511][ T10] netlink_sendmsg+0x723/0xbe0 [ 3033.159511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3033.159511][ T10] ___sys_sendmsg+0xee/0x170 [ 3033.159511][ T10] __sys_sendmsg+0xcd/0x170 [ 3033.159511][ T10] do_syscall_64+0xc6/0x1e0 [ 3033.159511][ T10] [ 3033.161457][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3033.161457][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3033.161457][ T10] ipv6_find_idev+0x102/0x170 [ 3033.161457][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3033.161457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3033.161457][ T10] netlink_rcv_skb+0x130/0x360 [ 3033.161457][ T10] netlink_unicast+0x449/0x710 [ 3033.161457][ T10] netlink_sendmsg+0x723/0xbe0 [ 3033.161457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3033.161457][ T10] ___sys_sendmsg+0xee/0x170 [ 3033.161457][ T10] __sys_sendmsg+0xcd/0x170 [ 3033.161457][ T10] do_syscall_64+0xc6/0x1e0 [ 3033.161457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3033.161457][ T10] [ 3033.163029][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3033.163029][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3033.163029][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3033.163029][ T10] ipv6_find_idev+0x102/0x170 [ 3033.163029][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3033.163029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3033.163029][ T10] netlink_rcv_skb+0x130/0x360 [ 3033.163029][ T10] netlink_unicast+0x449/0x710 [ 3033.163029][ T10] netlink_sendmsg+0x723/0xbe0 [ 3033.163029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3033.163029][ T10] ___sys_sendmsg+0xee/0x170 [ 3033.163029][ T10] __sys_sendmsg+0xcd/0x170 [ 3033.163029][ T10] do_syscall_64+0xc6/0x1e0 [ 3033.163029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3033.163029][ T10] [ 3033.164815][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3033.165250][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3033.165250][ T10] netdev_get_by_index+0x5e/0x80 [ 3033.165250][ T10] fib6_nh_init+0x3d8/0x1580 [ 3033.165250][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3033.165250][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3033.165250][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3033.165250][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3033.165250][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3033.165250][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3033.165250][ T10] addrconf_dad_begin+0x310/0x670 [ 3033.165250][ T10] addrconf_dad_work+0x10b/0xab0 [ 3033.165250][ T10] process_one_work+0x84d/0x18a0 [ 3033.165250][ T10] worker_thread+0x587/0xd30 [ 3033.165250][ T10] kthread+0x28a/0x350 [ 3033.165250][ T10] ret_from_fork+0x31/0x70 [ 3033.165250][ T10] ret_from_fork_asm+0x1a/0x30 [ 3033.165250][ T10] [ 3033.168148][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3033.168148][ T10] netdev_get_by_index+0x5e/0x80 [ 3033.168148][ T10] fib6_nh_init+0x3d8/0x1580 [ 3033.168148][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3033.168148][ T10] ip6_route_add+0x1c/0x140 [ 3033.168148][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3033.168148][ T10] inet6_addr_add+0x4f8/0xa40 [ 3033.168148][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3033.168148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3033.168148][ T10] netlink_rcv_skb+0x130/0x360 [ 3033.168148][ T10] netlink_unicast+0x449/0x710 [ 3033.168148][ T10] netlink_sendmsg+0x723/0xbe0 [ 3033.168148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3033.168148][ T10] ___sys_sendmsg+0xee/0x170 [ 3033.168148][ T10] __sys_sendmsg+0xcd/0x170 [ 3033.168148][ T10] do_syscall_64+0xc6/0x1e0 [ 3033.168148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3033.168148][ T10] [ 3033.171238][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3033.171238][ T10] netdev_get_by_index+0x5e/0x80 [ 3033.171238][ T10] fib6_nh_init+0x3d8/0x1580 [ 3033.171238][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3033.171238][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3033.171238][ T10] ipv6_add_addr+0x411/0x2000 [ 3033.171238][ T10] inet6_addr_add+0x30e/0xa40 [ 3033.171238][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3033.171238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3033.171238][ T10] netlink_rcv_skb+0x130/0x360 [ 3033.171238][ T10] netlink_unicast+0x449/0x710 [ 3033.171238][ T10] netlink_sendmsg+0x723/0xbe0 [ 3033.171238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3033.171238][ T10] ___sys_sendmsg+0xee/0x170 [ 3033.171238][ T10] __sys_sendmsg+0xcd/0x170 [ 3033.171238][ T10] do_syscall_64+0xc6/0x1e0 [ 3033.171238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3033.171238][ T10] [ 3033.174336][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3033.174336][ T10] netdev_get_by_index+0x5e/0x80 [ 3033.174336][ T10] fib6_nh_init+0x3d8/0x1580 [ 3033.174336][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3033.174336][ T10] ip6_route_add+0x1c/0x140 [ 3033.174336][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3033.174336][ T10] addrconf_add_dev+0xe2/0x170 [ 3033.174336][ T10] inet6_addr_add+0x12f/0xa40 [ 3033.174336][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3033.174336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3033.174336][ T10] netlink_rcv_skb+0x130/0x360 [ 3033.174336][ T10] netlink_unicast+0x449/0x710 [ 3033.174336][ T10] netlink_sendmsg+0x723/0xbe0 [ 3033.174336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3033.174336][ T10] ___sys_sendmsg+0xee/0x170 [ 3033.174336][ T10] __sys_sendmsg+0xcd/0x170 [ 3033.174336][ T10] do_syscall_64+0xc6/0x1e0 [ 3033.174336][ T10] [ 3033.177408][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3033.177408][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3033.177408][ T10] ipv6_find_idev+0x102/0x170 [ 3033.177408][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3033.177408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3033.177408][ T10] netlink_rcv_skb+0x130/0x360 [ 3033.177408][ T10] netlink_unicast+0x449/0x710 [ 3033.177408][ T10] netlink_sendmsg+0x723/0xbe0 [ 3033.177408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3033.177408][ T10] ___sys_sendmsg+0xee/0x170 [ 3033.177408][ T10] __sys_sendmsg+0xcd/0x170 [ 3033.177408][ T10] do_syscall_64+0xc6/0x1e0 [ 3033.177408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3033.177408][ T10] [ 3033.179785][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3033.179785][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3033.179785][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3033.179785][ T10] ipv6_find_idev+0x102/0x170 [ 3033.179785][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3033.179785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3033.179785][ T10] netlink_rcv_skb+0x130/0x360 [ 3033.179785][ T10] netlink_unicast+0x449/0x710 [ 3033.179785][ T10] netlink_sendmsg+0x723/0xbe0 [ 3033.179785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3033.179785][ T10] ___sys_sendmsg+0xee/0x170 [ 3033.179785][ T10] __sys_sendmsg+0xcd/0x170 [ 3033.179785][ T10] do_syscall_64+0xc6/0x1e0 [ 3033.179785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3033.179785][ T10] [ 3033.182424][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3033.182791][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3033.182791][ T10] netdev_get_by_index+0x5e/0x80 [ 3033.182791][ T10] fib6_nh_init+0x3d8/0x1580 [ 3033.182791][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3033.182791][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3033.182791][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3033.182791][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3033.182791][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3033.182791][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3033.182791][ T10] addrconf_dad_begin+0x310/0x670 [ 3033.182791][ T10] addrconf_dad_work+0x10b/0xab0 [ 3033.182791][ T10] process_one_work+0x84d/0x18a0 [ 3033.182791][ T10] worker_thread+0x587/0xd30 [ 3033.182791][ T10] kthread+0x28a/0x350 [ 3033.182791][ T10] ret_from_fork+0x31/0x70 [ 3033.182791][ T10] ret_from_fork_asm+0x1a/0x30 [ 3033.182791][ T10] [ 3033.185577][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3033.185577][ T10] netdev_get_by_index+0x5e/0x80 [ 3033.185577][ T10] fib6_nh_init+0x3d8/0x1580 [ 3033.185577][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3033.185577][ T10] ip6_route_add+0x1c/0x140 [ 3033.185577][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3033.185577][ T10] inet6_addr_add+0x4f8/0xa40 [ 3033.185577][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3033.185577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3033.185577][ T10] netlink_rcv_skb+0x130/0x360 [ 3033.185577][ T10] netlink_unicast+0x449/0x710 [ 3033.185577][ T10] netlink_sendmsg+0x723/0xbe0 [ 3033.185577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3033.185577][ T10] ___sys_sendmsg+0xee/0x170 [ 3033.185577][ T10] __sys_sendmsg+0xcd/0x170 [ 3033.185577][ T10] do_syscall_64+0xc6/0x1e0 [ 3033.185577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3033.185577][ T10] [ 3033.188770][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3033.188770][ T10] netdev_get_by_index+0x5e/0x80 [ 3033.188770][ T10] fib6_nh_init+0x3d8/0x1580 [ 3033.188770][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3033.188770][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3033.188770][ T10] ipv6_add_addr+0x411/0x2000 [ 3033.188770][ T10] inet6_addr_add+0x30e/0xa40 [ 3033.188770][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3033.188770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3033.188770][ T10] netlink_rcv_skb+0x130/0x360 [ 3033.188770][ T10] netlink_unicast+0x449/0x710 [ 3033.188770][ T10] netlink_sendmsg+0x723/0xbe0 [ 3033.188770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3033.188770][ T10] ___sys_sendmsg+0xee/0x170 [ 3033.188770][ T10] __sys_sendmsg+0xcd/0x170 [ 3033.188770][ T10] do_syscall_64+0xc6/0x1e0 [ 3033.188770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3033.188770][ T10] [ 3033.192277][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3033.192277][ T10] netdev_get_by_index+0x5e/0x80 [ 3033.192277][ T10] fib6_nh_init+0x3d8/0x1580 [ 3033.192277][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3033.192277][ T10] ip6_route_add+0x1c/0x140 [ 3033.192277][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3033.192277][ T10] addrconf_add_dev+0xe2/0x170 [ 3033.192277][ T10] inet6_addr_add+0x12f/0xa40 [ 3033.192277][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3033.192277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3033.192277][ T10] netlink_rcv_skb+0x130/0x360 [ 3033.192277][ T10] netlink_unicast+0x449/0x710 [ 3033.192277][ T10] netlink_sendmsg+0x723/0xbe0 [ 3033.192277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3033.192277][ T10] ___sys_sendmsg+0xee/0x170 [ 3033.192277][ T10] __sys_sendmsg+0xcd/0x170 [ 3033.192277][ T10] do_syscall_64+0xc6/0x1e0 [ 3033.192277][ T10] [ 3033.195628][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3033.195628][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3033.195628][ T10] ipv6_find_idev+0x102/0x170 [ 3033.195628][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3033.195628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3033.195628][ T10] netlink_rcv_skb+0x130/0x360 [ 3033.195628][ T10] netlink_unicast+0x449/0x710 [ 3033.195628][ T10] netlink_sendmsg+0x723/0xbe0 [ 3033.195628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3033.195628][ T10] ___sys_sendmsg+0xee/0x170 [ 3033.195628][ T10] __sys_sendmsg+0xcd/0x170 [ 3033.195628][ T10] do_syscall_64+0xc6/0x1e0 [ 3033.195628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3033.195628][ T10] [ 3033.198335][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3033.198335][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3033.198335][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3033.198335][ T10] ipv6_find_idev+0x102/0x170 [ 3033.198335][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3033.198335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3033.198335][ T10] netlink_rcv_skb+0x130/0x360 [ 3033.198335][ T10] netlink_unicast+0x449/0x710 [ 3033.198335][ T10] netlink_sendmsg+0x723/0xbe0 [ 3033.198335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3033.198335][ T10] ___sys_sendmsg+0xee/0x170 [ 3033.198335][ T10] __sys_sendmsg+0xcd/0x170 [ 3033.198335][ T10] do_syscall_64+0xc6/0x1e0 [ 3033.198335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3033.198335][ T10] [ 3033.201253][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3033.201617][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3033.201617][ T10] netdev_get_by_index+0x5e/0x80 [ 3033.201617][ T10] fib6_nh_init+0x3d8/0x1580 [ 3033.201617][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3033.201617][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3033.201617][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3033.201617][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3033.201617][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3033.201617][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3033.201617][ T10] addrconf_dad_begin+0x310/0x670 [ 3033.201617][ T10] addrconf_dad_work+0x10b/0xab0 [ 3033.201617][ T10] process_one_work+0x84d/0x18a0 [ 3033.201617][ T10] worker_thread+0x587/0xd30 [ 3033.201617][ T10] kthread+0x28a/0x350 [ 3033.201617][ T10] ret_from_fork+0x31/0x70 [ 3033.201617][ T10] ret_from_fork_asm+0x1a/0x30 [ 3033.201617][ T10] [ 3033.205142][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3033.205142][ T10] netdev_get_by_index+0x5e/0x80 [ 3033.205142][ T10] fib6_nh_init+0x3d8/0x1580 [ 3033.205142][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3033.205142][ T10] ip6_route_add+0x1c/0x140 [ 3033.205142][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3033.205142][ T10] inet6_addr_add+0x4f8/0xa40 [ 3033.205142][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3033.205142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3033.205142][ T10] netlink_rcv_skb+0x130/0x360 [ 3033.205142][ T10] netlink_unicast+0x449/0x710 [ 3033.205142][ T10] netlink_sendmsg+0x723/0xbe0 [ 3033.205142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3033.205142][ T10] ___sys_sendmsg+0xee/0x170 [ 3033.205142][ T10] __sys_sendmsg+0xcd/0x170 [ 3033.205142][ T10] do_syscall_64+0xc6/0x1e0 [ 3033.205142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3033.205142][ T10] [ 3033.208565][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3033.208565][ T10] netdev_get_by_index+0x5e/0x80 [ 3033.208565][ T10] fib6_nh_init+0x3d8/0x1580 [ 3033.208565][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3033.208565][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3033.208565][ T10] ipv6_add_addr+0x411/0x2000 [ 3033.208565][ T10] inet6_addr_add+0x30e/0xa40 [ 3033.208565][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3033.208565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3033.208565][ T10] netlink_rcv_skb+0x130/0x360 [ 3033.208565][ T10] netlink_unicast+0x449/0x710 [ 3033.208565][ T10] netlink_sendmsg+0x723/0xbe0 [ 3033.208565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3033.208565][ T10] ___sys_sendmsg+0xee/0x170 [ 3033.208565][ T10] __sys_sendmsg+0xcd/0x170 [ 3033.208565][ T10] do_syscall_64+0xc6/0x1e0 [ 3033.208565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3033.208565][ T10] [ 3033.211897][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3033.211897][ T10] netdev_get_by_index+0x5e/0x80 [ 3033.211897][ T10] fib6_nh_init+0x3d8/0x1580 [ 3033.211897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3033.211897][ T10] ip6_route_add+0x1c/0x140 [ 3033.211897][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3033.211897][ T10] addrconf_add_dev+0xe2/0x170 [ 3033.211897][ T10] inet6_addr_add+0x12f/0xa40 [ 3033.211897][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3033.211897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3033.211897][ T10] netlink_rcv_skb+0x130/0x360 [ 3033.211897][ T10] netlink_unicast+0x449/0x710 [ 3033.211897][ T10] netlink_sendmsg+0x723/0xbe0 [ 3033.211897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3033.211897][ T10] ___sys_sendmsg+0xee/0x170 [ 3033.211897][ T10] __sys_sendmsg+0xcd/0x170 [ 3033.211897][ T10] do_syscall_64+0xc6/0x1e0 [ 3033.211897][ T10] [ 3033.215105][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3033.215105][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3033.215105][ T10] ipv6_find_idev+0x102/0x170 [ 3033.215105][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3033.215105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3033.215105][ T10] netlink_rcv_skb+0x130/0x360 [ 3033.215105][ T10] netlink_unicast+0x449/0x710 [ 3033.215105][ T10] netlink_sendmsg+0x723/0xbe0 [ 3033.215105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3033.215105][ T10] ___sys_sendmsg+0xee/0x170 [ 3033.215105][ T10] __sys_sendmsg+0xcd/0x170 [ 3033.215105][ T10] do_syscall_64+0xc6/0x1e0 [ 3033.215105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3033.215105][ T10] [ 3033.217553][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3033.217553][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3033.217553][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3033.217553][ T10] ipv6_find_idev+0x102/0x170 [ 3033.217553][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3033.217553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3033.217553][ T10] netlink_rcv_skb+0x130/0x360 [ 3033.217553][ T10] netlink_unicast+0x449/0x710 [ 3033.217553][ T10] netlink_sendmsg+0x723/0xbe0 [ 3033.217553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3033.217553][ T10] ___sys_sendmsg+0xee/0x170 [ 3033.217553][ T10] __sys_sendmsg+0xcd/0x170 [ 3033.217553][ T10] do_syscall_64+0xc6/0x1e0 [ 3033.217553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3033.217553][ T10] [ 3034.857153][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3034.857633][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3034.857633][ T1167] dst_init+0x84/0x4a0 [ 3034.857633][ T1167] dst_alloc+0x97/0x150 [ 3034.857633][ T1167] ip6_dst_alloc+0x23/0x90 [ 3034.857633][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3034.857633][ T1167] ip6_pol_route+0x56f/0x840 [ 3034.857633][ T1167] fib6_rule_lookup+0x334/0x630 [ 3034.857633][ T1167] ip6_route_output_flags+0x259/0x480 [ 3034.857633][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3034.857633][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3034.857633][ T1167] netlink_rcv_skb+0x130/0x360 [ 3034.857633][ T1167] netlink_unicast+0x449/0x710 [ 3034.857633][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3034.857633][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3034.857633][ T1167] ___sys_sendmsg+0xee/0x170 [ 3034.857633][ T1167] __sys_sendmsg+0xcd/0x170 [ 3034.857633][ T1167] do_syscall_64+0xc6/0x1e0 [ 3034.857633][ T1167] [ 3034.859822][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3034.859822][ T1167] netdev_get_by_index+0x5e/0x80 [ 3034.859822][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3034.859822][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3034.859822][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3034.859822][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3034.859822][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3034.859822][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3034.859822][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3034.859822][ T1167] addrconf_dad_begin+0x310/0x670 [ 3034.859822][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3034.859822][ T1167] process_one_work+0x84d/0x18a0 [ 3034.859822][ T1167] worker_thread+0x587/0xd30 [ 3034.859822][ T1167] kthread+0x28a/0x350 [ 3034.859822][ T1167] ret_from_fork+0x31/0x70 [ 3034.859822][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3034.859822][ T1167] [ 3034.862019][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3034.862019][ T1167] netdev_get_by_index+0x5e/0x80 [ 3034.862019][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3034.862019][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3034.862019][ T1167] ip6_route_add+0x1c/0x140 [ 3034.862019][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3034.862019][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3034.862019][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3034.862019][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3034.862019][ T1167] netlink_rcv_skb+0x130/0x360 [ 3034.862019][ T1167] netlink_unicast+0x449/0x710 [ 3034.862019][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3034.862019][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3034.862019][ T1167] ___sys_sendmsg+0xee/0x170 [ 3034.862019][ T1167] __sys_sendmsg+0xcd/0x170 [ 3034.862019][ T1167] do_syscall_64+0xc6/0x1e0 [ 3034.862019][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3034.862019][ T1167] [ 3034.864256][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3034.864256][ T1167] netdev_get_by_index+0x5e/0x80 [ 3034.864256][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3034.864256][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3034.864256][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3034.864256][ T1167] ipv6_add_addr+0x411/0x2000 [ 3034.864256][ T1167] inet6_addr_add+0x30e/0xa40 [ 3034.864256][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3034.864256][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3034.864256][ T1167] netlink_rcv_skb+0x130/0x360 [ 3034.864256][ T1167] netlink_unicast+0x449/0x710 [ 3034.864256][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3034.864256][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3034.864256][ T1167] ___sys_sendmsg+0xee/0x170 [ 3034.864256][ T1167] __sys_sendmsg+0xcd/0x170 [ 3034.864256][ T1167] do_syscall_64+0xc6/0x1e0 [ 3034.864256][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3034.864256][ T1167] [ 3034.866489][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3034.866489][ T1167] netdev_get_by_index+0x5e/0x80 [ 3034.866489][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3034.866489][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3034.866489][ T1167] ip6_route_add+0x1c/0x140 [ 3034.866489][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3034.866489][ T1167] addrconf_add_dev+0xe2/0x170 [ 3034.866489][ T1167] inet6_addr_add+0x12f/0xa40 [ 3034.866489][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3034.866489][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3034.866489][ T1167] netlink_rcv_skb+0x130/0x360 [ 3034.866489][ T1167] netlink_unicast+0x449/0x710 [ 3034.866489][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3034.866489][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3034.866489][ T1167] ___sys_sendmsg+0xee/0x170 [ 3034.866489][ T1167] __sys_sendmsg+0xcd/0x170 [ 3034.866489][ T1167] do_syscall_64+0xc6/0x1e0 [ 3034.866489][ T1167] [ 3034.868682][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3034.868682][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3034.868682][ T1167] ipv6_find_idev+0x102/0x170 [ 3034.868682][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3034.868682][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3034.868682][ T1167] netlink_rcv_skb+0x130/0x360 [ 3034.868682][ T1167] netlink_unicast+0x449/0x710 [ 3034.868682][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3034.868682][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3034.868682][ T1167] ___sys_sendmsg+0xee/0x170 [ 3034.868682][ T1167] __sys_sendmsg+0xcd/0x170 [ 3034.868682][ T1167] do_syscall_64+0xc6/0x1e0 [ 3034.868682][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3034.868682][ T1167] [ 3034.870395][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3034.870395][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3034.870395][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3034.870395][ T1167] ipv6_find_idev+0x102/0x170 [ 3034.870395][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3034.870395][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3034.870395][ T1167] netlink_rcv_skb+0x130/0x360 [ 3034.870395][ T1167] netlink_unicast+0x449/0x710 [ 3034.870395][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3034.870395][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3034.870395][ T1167] ___sys_sendmsg+0xee/0x170 [ 3034.870395][ T1167] __sys_sendmsg+0xcd/0x170 [ 3034.870395][ T1167] do_syscall_64+0xc6/0x1e0 [ 3034.870395][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3034.870395][ T1167] [ 3043.441120][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3043.441557][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3043.441557][ T10] netdev_get_by_index+0x5e/0x80 [ 3043.441557][ T10] fib6_nh_init+0x3d8/0x1580 [ 3043.441557][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3043.441557][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3043.441557][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3043.441557][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3043.441557][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3043.441557][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3043.441557][ T10] addrconf_dad_begin+0x310/0x670 [ 3043.441557][ T10] addrconf_dad_work+0x10b/0xab0 [ 3043.441557][ T10] process_one_work+0x84d/0x18a0 [ 3043.441557][ T10] worker_thread+0x587/0xd30 [ 3043.441557][ T10] kthread+0x28a/0x350 [ 3043.441557][ T10] ret_from_fork+0x31/0x70 [ 3043.441557][ T10] ret_from_fork_asm+0x1a/0x30 [ 3043.441557][ T10] [ 3043.443497][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3043.443497][ T10] netdev_get_by_index+0x5e/0x80 [ 3043.443497][ T10] fib6_nh_init+0x3d8/0x1580 [ 3043.443497][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3043.443497][ T10] ip6_route_add+0x1c/0x140 [ 3043.443497][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3043.443497][ T10] inet6_addr_add+0x4f8/0xa40 [ 3043.443497][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3043.443497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3043.443497][ T10] netlink_rcv_skb+0x130/0x360 [ 3043.443497][ T10] netlink_unicast+0x449/0x710 [ 3043.443497][ T10] netlink_sendmsg+0x723/0xbe0 [ 3043.443497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3043.443497][ T10] ___sys_sendmsg+0xee/0x170 [ 3043.443497][ T10] __sys_sendmsg+0xcd/0x170 [ 3043.443497][ T10] do_syscall_64+0xc6/0x1e0 [ 3043.443497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3043.443497][ T10] [ 3043.445520][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3043.445520][ T10] netdev_get_by_index+0x5e/0x80 [ 3043.445520][ T10] fib6_nh_init+0x3d8/0x1580 [ 3043.445520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3043.445520][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3043.445520][ T10] ipv6_add_addr+0x411/0x2000 [ 3043.445520][ T10] inet6_addr_add+0x30e/0xa40 [ 3043.445520][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3043.445520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3043.445520][ T10] netlink_rcv_skb+0x130/0x360 [ 3043.445520][ T10] netlink_unicast+0x449/0x710 [ 3043.445520][ T10] netlink_sendmsg+0x723/0xbe0 [ 3043.445520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3043.445520][ T10] ___sys_sendmsg+0xee/0x170 [ 3043.445520][ T10] __sys_sendmsg+0xcd/0x170 [ 3043.445520][ T10] do_syscall_64+0xc6/0x1e0 [ 3043.445520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3043.445520][ T10] [ 3043.447564][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3043.447564][ T10] netdev_get_by_index+0x5e/0x80 [ 3043.447564][ T10] fib6_nh_init+0x3d8/0x1580 [ 3043.447564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3043.447564][ T10] ip6_route_add+0x1c/0x140 [ 3043.447564][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3043.447564][ T10] addrconf_add_dev+0xe2/0x170 [ 3043.447564][ T10] inet6_addr_add+0x12f/0xa40 [ 3043.447564][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3043.447564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3043.447564][ T10] netlink_rcv_skb+0x130/0x360 [ 3043.447564][ T10] netlink_unicast+0x449/0x710 [ 3043.447564][ T10] netlink_sendmsg+0x723/0xbe0 [ 3043.447564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3043.447564][ T10] ___sys_sendmsg+0xee/0x170 [ 3043.447564][ T10] __sys_sendmsg+0xcd/0x170 [ 3043.447564][ T10] do_syscall_64+0xc6/0x1e0 [ 3043.447564][ T10] [ 3043.449533][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3043.449533][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3043.449533][ T10] ipv6_find_idev+0x102/0x170 [ 3043.449533][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3043.449533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3043.449533][ T10] netlink_rcv_skb+0x130/0x360 [ 3043.449533][ T10] netlink_unicast+0x449/0x710 [ 3043.449533][ T10] netlink_sendmsg+0x723/0xbe0 [ 3043.449533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3043.449533][ T10] ___sys_sendmsg+0xee/0x170 [ 3043.449533][ T10] __sys_sendmsg+0xcd/0x170 [ 3043.449533][ T10] do_syscall_64+0xc6/0x1e0 [ 3043.449533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3043.449533][ T10] [ 3043.451080][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3043.451080][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3043.451080][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3043.451080][ T10] ipv6_find_idev+0x102/0x170 [ 3043.451080][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3043.451080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3043.451080][ T10] netlink_rcv_skb+0x130/0x360 [ 3043.451080][ T10] netlink_unicast+0x449/0x710 [ 3043.451080][ T10] netlink_sendmsg+0x723/0xbe0 [ 3043.451080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3043.451080][ T10] ___sys_sendmsg+0xee/0x170 [ 3043.451080][ T10] __sys_sendmsg+0xcd/0x170 [ 3043.451080][ T10] do_syscall_64+0xc6/0x1e0 [ 3043.451080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3043.451080][ T10] [ 3043.452791][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3043.453038][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3043.453038][ T10] netdev_get_by_index+0x5e/0x80 [ 3043.453038][ T10] fib6_nh_init+0x3d8/0x1580 [ 3043.453038][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3043.453038][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3043.453038][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3043.453038][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3043.453038][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3043.453038][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3043.453038][ T10] addrconf_dad_begin+0x310/0x670 [ 3043.453038][ T10] addrconf_dad_work+0x10b/0xab0 [ 3043.453038][ T10] process_one_work+0x84d/0x18a0 [ 3043.453038][ T10] worker_thread+0x587/0xd30 [ 3043.453038][ T10] kthread+0x28a/0x350 [ 3043.453038][ T10] ret_from_fork+0x31/0x70 [ 3043.453038][ T10] ret_from_fork_asm+0x1a/0x30 [ 3043.453038][ T10] [ 3043.454963][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3043.454963][ T10] netdev_get_by_index+0x5e/0x80 [ 3043.454963][ T10] fib6_nh_init+0x3d8/0x1580 [ 3043.454963][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3043.454963][ T10] ip6_route_add+0x1c/0x140 [ 3043.454963][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3043.454963][ T10] inet6_addr_add+0x4f8/0xa40 [ 3043.454963][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3043.454963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3043.454963][ T10] netlink_rcv_skb+0x130/0x360 [ 3043.454963][ T10] netlink_unicast+0x449/0x710 [ 3043.454963][ T10] netlink_sendmsg+0x723/0xbe0 [ 3043.454963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3043.454963][ T10] ___sys_sendmsg+0xee/0x170 [ 3043.454963][ T10] __sys_sendmsg+0xcd/0x170 [ 3043.454963][ T10] do_syscall_64+0xc6/0x1e0 [ 3043.454963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3043.454963][ T10] [ 3043.456962][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3043.456962][ T10] netdev_get_by_index+0x5e/0x80 [ 3043.456962][ T10] fib6_nh_init+0x3d8/0x1580 [ 3043.456962][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3043.456962][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3043.456962][ T10] ipv6_add_addr+0x411/0x2000 [ 3043.456962][ T10] inet6_addr_add+0x30e/0xa40 [ 3043.456962][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3043.456962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3043.456962][ T10] netlink_rcv_skb+0x130/0x360 [ 3043.456962][ T10] netlink_unicast+0x449/0x710 [ 3043.456962][ T10] netlink_sendmsg+0x723/0xbe0 [ 3043.456962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3043.456962][ T10] ___sys_sendmsg+0xee/0x170 [ 3043.456962][ T10] __sys_sendmsg+0xcd/0x170 [ 3043.456962][ T10] do_syscall_64+0xc6/0x1e0 [ 3043.456962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3043.456962][ T10] [ 3043.458982][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3043.458982][ T10] netdev_get_by_index+0x5e/0x80 [ 3043.458982][ T10] fib6_nh_init+0x3d8/0x1580 [ 3043.458982][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3043.458982][ T10] ip6_route_add+0x1c/0x140 [ 3043.458982][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3043.458982][ T10] addrconf_add_dev+0xe2/0x170 [ 3043.458982][ T10] inet6_addr_add+0x12f/0xa40 [ 3043.458982][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3043.458982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3043.458982][ T10] netlink_rcv_skb+0x130/0x360 [ 3043.458982][ T10] netlink_unicast+0x449/0x710 [ 3043.458982][ T10] netlink_sendmsg+0x723/0xbe0 [ 3043.458982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3043.458982][ T10] ___sys_sendmsg+0xee/0x170 [ 3043.458982][ T10] __sys_sendmsg+0xcd/0x170 [ 3043.458982][ T10] do_syscall_64+0xc6/0x1e0 [ 3043.458982][ T10] [ 3043.460948][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3043.460948][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3043.460948][ T10] ipv6_find_idev+0x102/0x170 [ 3043.460948][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3043.460948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3043.460948][ T10] netlink_rcv_skb+0x130/0x360 [ 3043.460948][ T10] netlink_unicast+0x449/0x710 [ 3043.460948][ T10] netlink_sendmsg+0x723/0xbe0 [ 3043.460948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3043.460948][ T10] ___sys_sendmsg+0xee/0x170 [ 3043.460948][ T10] __sys_sendmsg+0xcd/0x170 [ 3043.460948][ T10] do_syscall_64+0xc6/0x1e0 [ 3043.460948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3043.460948][ T10] [ 3043.462575][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3043.462575][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3043.462575][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3043.462575][ T10] ipv6_find_idev+0x102/0x170 [ 3043.462575][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3043.462575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3043.462575][ T10] netlink_rcv_skb+0x130/0x360 [ 3043.462575][ T10] netlink_unicast+0x449/0x710 [ 3043.462575][ T10] netlink_sendmsg+0x723/0xbe0 [ 3043.462575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3043.462575][ T10] ___sys_sendmsg+0xee/0x170 [ 3043.462575][ T10] __sys_sendmsg+0xcd/0x170 [ 3043.462575][ T10] do_syscall_64+0xc6/0x1e0 [ 3043.462575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3043.462575][ T10] [ 3043.464276][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3043.464534][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3043.464534][ T10] netdev_get_by_index+0x5e/0x80 [ 3043.464534][ T10] fib6_nh_init+0x3d8/0x1580 [ 3043.464534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3043.464534][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3043.464534][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3043.464534][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3043.464534][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3043.464534][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3043.464534][ T10] addrconf_dad_begin+0x310/0x670 [ 3043.464534][ T10] addrconf_dad_work+0x10b/0xab0 [ 3043.464534][ T10] process_one_work+0x84d/0x18a0 [ 3043.464534][ T10] worker_thread+0x587/0xd30 [ 3043.464534][ T10] kthread+0x28a/0x350 [ 3043.464534][ T10] ret_from_fork+0x31/0x70 [ 3043.464534][ T10] ret_from_fork_asm+0x1a/0x30 [ 3043.464534][ T10] [ 3043.466444][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3043.466444][ T10] netdev_get_by_index+0x5e/0x80 [ 3043.466444][ T10] fib6_nh_init+0x3d8/0x1580 [ 3043.466444][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3043.466444][ T10] ip6_route_add+0x1c/0x140 [ 3043.466444][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3043.466444][ T10] inet6_addr_add+0x4f8/0xa40 [ 3043.466444][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3043.466444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3043.466444][ T10] netlink_rcv_skb+0x130/0x360 [ 3043.466444][ T10] netlink_unicast+0x449/0x710 [ 3043.466444][ T10] netlink_sendmsg+0x723/0xbe0 [ 3043.466444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3043.466444][ T10] ___sys_sendmsg+0xee/0x170 [ 3043.466444][ T10] __sys_sendmsg+0xcd/0x170 [ 3043.466444][ T10] do_syscall_64+0xc6/0x1e0 [ 3043.466444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3043.466444][ T10] [ 3043.468592][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3043.468592][ T10] netdev_get_by_index+0x5e/0x80 [ 3043.468592][ T10] fib6_nh_init+0x3d8/0x1580 [ 3043.468592][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3043.468592][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3043.468592][ T10] ipv6_add_addr+0x411/0x2000 [ 3043.468592][ T10] inet6_addr_add+0x30e/0xa40 [ 3043.468592][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3043.468592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3043.468592][ T10] netlink_rcv_skb+0x130/0x360 [ 3043.468592][ T10] netlink_unicast+0x449/0x710 [ 3043.468592][ T10] netlink_sendmsg+0x723/0xbe0 [ 3043.468592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3043.468592][ T10] ___sys_sendmsg+0xee/0x170 [ 3043.468592][ T10] __sys_sendmsg+0xcd/0x170 [ 3043.468592][ T10] do_syscall_64+0xc6/0x1e0 [ 3043.468592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3043.468592][ T10] [ 3043.470728][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3043.470728][ T10] netdev_get_by_index+0x5e/0x80 [ 3043.470728][ T10] fib6_nh_init+0x3d8/0x1580 [ 3043.470728][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3043.470728][ T10] ip6_route_add+0x1c/0x140 [ 3043.470728][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3043.470728][ T10] addrconf_add_dev+0xe2/0x170 [ 3043.470728][ T10] inet6_addr_add+0x12f/0xa40 [ 3043.470728][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3043.470728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3043.470728][ T10] netlink_rcv_skb+0x130/0x360 [ 3043.470728][ T10] netlink_unicast+0x449/0x710 [ 3043.470728][ T10] netlink_sendmsg+0x723/0xbe0 [ 3043.470728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3043.470728][ T10] ___sys_sendmsg+0xee/0x170 [ 3043.470728][ T10] __sys_sendmsg+0xcd/0x170 [ 3043.470728][ T10] do_syscall_64+0xc6/0x1e0 [ 3043.470728][ T10] [ 3043.472828][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3043.472828][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3043.472828][ T10] ipv6_find_idev+0x102/0x170 [ 3043.472828][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3043.472828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3043.472828][ T10] netlink_rcv_skb+0x130/0x360 [ 3043.472828][ T10] netlink_unicast+0x449/0x710 [ 3043.472828][ T10] netlink_sendmsg+0x723/0xbe0 [ 3043.472828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3043.472828][ T10] ___sys_sendmsg+0xee/0x170 [ 3043.472828][ T10] __sys_sendmsg+0xcd/0x170 [ 3043.472828][ T10] do_syscall_64+0xc6/0x1e0 [ 3043.472828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3043.472828][ T10] [ 3043.474510][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3043.474510][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3043.474510][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3043.474510][ T10] ipv6_find_idev+0x102/0x170 [ 3043.474510][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3043.474510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3043.474510][ T10] netlink_rcv_skb+0x130/0x360 [ 3043.474510][ T10] netlink_unicast+0x449/0x710 [ 3043.474510][ T10] netlink_sendmsg+0x723/0xbe0 [ 3043.474510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3043.474510][ T10] ___sys_sendmsg+0xee/0x170 [ 3043.474510][ T10] __sys_sendmsg+0xcd/0x170 [ 3043.474510][ T10] do_syscall_64+0xc6/0x1e0 [ 3043.474510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3043.474510][ T10] [ 3043.476261][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3043.476505][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3043.476505][ T10] netdev_get_by_index+0x5e/0x80 [ 3043.476505][ T10] fib6_nh_init+0x3d8/0x1580 [ 3043.476505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3043.476505][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3043.476505][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3043.476505][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3043.476505][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3043.476505][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3043.476505][ T10] addrconf_dad_begin+0x310/0x670 [ 3043.476505][ T10] addrconf_dad_work+0x10b/0xab0 [ 3043.476505][ T10] process_one_work+0x84d/0x18a0 [ 3043.476505][ T10] worker_thread+0x587/0xd30 [ 3043.476505][ T10] kthread+0x28a/0x350 [ 3043.476505][ T10] ret_from_fork+0x31/0x70 [ 3043.476505][ T10] ret_from_fork_asm+0x1a/0x30 [ 3043.476505][ T10] [ 3043.478618][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3043.478618][ T10] netdev_get_by_index+0x5e/0x80 [ 3043.478618][ T10] fib6_nh_init+0x3d8/0x1580 [ 3043.478618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3043.478618][ T10] ip6_route_add+0x1c/0x140 [ 3043.478618][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3043.478618][ T10] inet6_addr_add+0x4f8/0xa40 [ 3043.478618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3043.478618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3043.478618][ T10] netlink_rcv_skb+0x130/0x360 [ 3043.478618][ T10] netlink_unicast+0x449/0x710 [ 3043.478618][ T10] netlink_sendmsg+0x723/0xbe0 [ 3043.478618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3043.478618][ T10] ___sys_sendmsg+0xee/0x170 [ 3043.478618][ T10] __sys_sendmsg+0xcd/0x170 [ 3043.478618][ T10] do_syscall_64+0xc6/0x1e0 [ 3043.478618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3043.478618][ T10] [ 3043.480749][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3043.480749][ T10] netdev_get_by_index+0x5e/0x80 [ 3043.480749][ T10] fib6_nh_init+0x3d8/0x1580 [ 3043.480749][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3043.480749][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3043.480749][ T10] ipv6_add_addr+0x411/0x2000 [ 3043.480749][ T10] inet6_addr_add+0x30e/0xa40 [ 3043.480749][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3043.480749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3043.480749][ T10] netlink_rcv_skb+0x130/0x360 [ 3043.480749][ T10] netlink_unicast+0x449/0x710 [ 3043.480749][ T10] netlink_sendmsg+0x723/0xbe0 [ 3043.480749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3043.480749][ T10] ___sys_sendmsg+0xee/0x170 [ 3043.480749][ T10] __sys_sendmsg+0xcd/0x170 [ 3043.480749][ T10] do_syscall_64+0xc6/0x1e0 [ 3043.480749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3043.480749][ T10] [ 3043.482892][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3043.482892][ T10] netdev_get_by_index+0x5e/0x80 [ 3043.482892][ T10] fib6_nh_init+0x3d8/0x1580 [ 3043.482892][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3043.482892][ T10] ip6_route_add+0x1c/0x140 [ 3043.482892][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3043.482892][ T10] addrconf_add_dev+0xe2/0x170 [ 3043.482892][ T10] inet6_addr_add+0x12f/0xa40 [ 3043.482892][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3043.482892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3043.482892][ T10] netlink_rcv_skb+0x130/0x360 [ 3043.482892][ T10] netlink_unicast+0x449/0x710 [ 3043.482892][ T10] netlink_sendmsg+0x723/0xbe0 [ 3043.482892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3043.482892][ T10] ___sys_sendmsg+0xee/0x170 [ 3043.482892][ T10] __sys_sendmsg+0xcd/0x170 [ 3043.482892][ T10] do_syscall_64+0xc6/0x1e0 [ 3043.482892][ T10] [ 3043.485004][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3043.485004][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3043.485004][ T10] ipv6_find_idev+0x102/0x170 [ 3043.485004][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3043.485004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3043.485004][ T10] netlink_rcv_skb+0x130/0x360 [ 3043.485004][ T10] netlink_unicast+0x449/0x710 [ 3043.485004][ T10] netlink_sendmsg+0x723/0xbe0 [ 3043.485004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3043.485004][ T10] ___sys_sendmsg+0xee/0x170 [ 3043.485004][ T10] __sys_sendmsg+0xcd/0x170 [ 3043.485004][ T10] do_syscall_64+0xc6/0x1e0 [ 3043.485004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3043.485004][ T10] [ 3043.486651][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3043.486651][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3043.486651][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3043.486651][ T10] ipv6_find_idev+0x102/0x170 [ 3043.486651][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3043.486651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3043.486651][ T10] netlink_rcv_skb+0x130/0x360 [ 3043.486651][ T10] netlink_unicast+0x449/0x710 [ 3043.486651][ T10] netlink_sendmsg+0x723/0xbe0 [ 3043.486651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3043.486651][ T10] ___sys_sendmsg+0xee/0x170 [ 3043.486651][ T10] __sys_sendmsg+0xcd/0x170 [ 3043.486651][ T10] do_syscall_64+0xc6/0x1e0 [ 3043.486651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3043.486651][ T10] [ 3044.873091][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3044.873568][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3044.873568][ T1167] dst_init+0x84/0x4a0 [ 3044.873568][ T1167] dst_alloc+0x97/0x150 [ 3044.873568][ T1167] ip6_dst_alloc+0x23/0x90 [ 3044.873568][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3044.873568][ T1167] ip6_pol_route+0x56f/0x840 [ 3044.873568][ T1167] fib6_rule_lookup+0x334/0x630 [ 3044.873568][ T1167] ip6_route_output_flags+0x259/0x480 [ 3044.873568][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3044.873568][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3044.873568][ T1167] netlink_rcv_skb+0x130/0x360 [ 3044.873568][ T1167] netlink_unicast+0x449/0x710 [ 3044.873568][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3044.873568][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3044.873568][ T1167] ___sys_sendmsg+0xee/0x170 [ 3044.873568][ T1167] __sys_sendmsg+0xcd/0x170 [ 3044.873568][ T1167] do_syscall_64+0xc6/0x1e0 [ 3044.873568][ T1167] [ 3044.875751][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3044.875751][ T1167] netdev_get_by_index+0x5e/0x80 [ 3044.875751][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3044.875751][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3044.875751][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3044.875751][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3044.875751][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3044.875751][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3044.875751][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3044.875751][ T1167] addrconf_dad_begin+0x310/0x670 [ 3044.875751][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3044.875751][ T1167] process_one_work+0x84d/0x18a0 [ 3044.875751][ T1167] worker_thread+0x587/0xd30 [ 3044.875751][ T1167] kthread+0x28a/0x350 [ 3044.875751][ T1167] ret_from_fork+0x31/0x70 [ 3044.875751][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3044.875751][ T1167] [ 3044.877906][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3044.877906][ T1167] netdev_get_by_index+0x5e/0x80 [ 3044.877906][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3044.877906][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3044.877906][ T1167] ip6_route_add+0x1c/0x140 [ 3044.877906][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3044.877906][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3044.877906][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3044.877906][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3044.877906][ T1167] netlink_rcv_skb+0x130/0x360 [ 3044.877906][ T1167] netlink_unicast+0x449/0x710 [ 3044.877906][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3044.877906][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3044.877906][ T1167] ___sys_sendmsg+0xee/0x170 [ 3044.877906][ T1167] __sys_sendmsg+0xcd/0x170 [ 3044.877906][ T1167] do_syscall_64+0xc6/0x1e0 [ 3044.877906][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3044.877906][ T1167] [ 3044.880138][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3044.880138][ T1167] netdev_get_by_index+0x5e/0x80 [ 3044.880138][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3044.880138][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3044.880138][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3044.880138][ T1167] ipv6_add_addr+0x411/0x2000 [ 3044.880138][ T1167] inet6_addr_add+0x30e/0xa40 [ 3044.880138][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3044.880138][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3044.880138][ T1167] netlink_rcv_skb+0x130/0x360 [ 3044.880138][ T1167] netlink_unicast+0x449/0x710 [ 3044.880138][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3044.880138][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3044.880138][ T1167] ___sys_sendmsg+0xee/0x170 [ 3044.880138][ T1167] __sys_sendmsg+0xcd/0x170 [ 3044.880138][ T1167] do_syscall_64+0xc6/0x1e0 [ 3044.880138][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3044.880138][ T1167] [ 3044.882382][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3044.882382][ T1167] netdev_get_by_index+0x5e/0x80 [ 3044.882382][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3044.882382][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3044.882382][ T1167] ip6_route_add+0x1c/0x140 [ 3044.882382][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3044.882382][ T1167] addrconf_add_dev+0xe2/0x170 [ 3044.882382][ T1167] inet6_addr_add+0x12f/0xa40 [ 3044.882382][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3044.882382][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3044.882382][ T1167] netlink_rcv_skb+0x130/0x360 [ 3044.882382][ T1167] netlink_unicast+0x449/0x710 [ 3044.882382][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3044.882382][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3044.882382][ T1167] ___sys_sendmsg+0xee/0x170 [ 3044.882382][ T1167] __sys_sendmsg+0xcd/0x170 [ 3044.882382][ T1167] do_syscall_64+0xc6/0x1e0 [ 3044.882382][ T1167] [ 3044.884605][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3044.884605][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3044.884605][ T1167] ipv6_find_idev+0x102/0x170 [ 3044.884605][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3044.884605][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3044.884605][ T1167] netlink_rcv_skb+0x130/0x360 [ 3044.884605][ T1167] netlink_unicast+0x449/0x710 [ 3044.884605][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3044.884605][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3044.884605][ T1167] ___sys_sendmsg+0xee/0x170 [ 3044.884605][ T1167] __sys_sendmsg+0xcd/0x170 [ 3044.884605][ T1167] do_syscall_64+0xc6/0x1e0 [ 3044.884605][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3044.884605][ T1167] [ 3044.886325][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3044.886325][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3044.886325][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3044.886325][ T1167] ipv6_find_idev+0x102/0x170 [ 3044.886325][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3044.886325][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3044.886325][ T1167] netlink_rcv_skb+0x130/0x360 [ 3044.886325][ T1167] netlink_unicast+0x449/0x710 [ 3044.886325][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3044.886325][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3044.886325][ T1167] ___sys_sendmsg+0xee/0x170 [ 3044.886325][ T1167] __sys_sendmsg+0xcd/0x170 [ 3044.886325][ T1167] do_syscall_64+0xc6/0x1e0 [ 3044.886325][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3044.886325][ T1167] [ 3053.577105][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3053.577467][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3053.577467][ T10] netdev_get_by_index+0x5e/0x80 [ 3053.577467][ T10] fib6_nh_init+0x3d8/0x1580 [ 3053.577467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3053.577467][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3053.577467][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3053.577467][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3053.577467][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3053.577467][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3053.577467][ T10] addrconf_dad_begin+0x310/0x670 [ 3053.577467][ T10] addrconf_dad_work+0x10b/0xab0 [ 3053.577467][ T10] process_one_work+0x84d/0x18a0 [ 3053.577467][ T10] worker_thread+0x587/0xd30 [ 3053.577467][ T10] kthread+0x28a/0x350 [ 3053.577467][ T10] ret_from_fork+0x31/0x70 [ 3053.577467][ T10] ret_from_fork_asm+0x1a/0x30 [ 3053.577467][ T10] [ 3053.579443][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3053.579443][ T10] netdev_get_by_index+0x5e/0x80 [ 3053.579443][ T10] fib6_nh_init+0x3d8/0x1580 [ 3053.579443][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3053.579443][ T10] ip6_route_add+0x1c/0x140 [ 3053.579443][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3053.579443][ T10] inet6_addr_add+0x4f8/0xa40 [ 3053.579443][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3053.579443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3053.579443][ T10] netlink_rcv_skb+0x130/0x360 [ 3053.579443][ T10] netlink_unicast+0x449/0x710 [ 3053.579443][ T10] netlink_sendmsg+0x723/0xbe0 [ 3053.579443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3053.579443][ T10] ___sys_sendmsg+0xee/0x170 [ 3053.579443][ T10] __sys_sendmsg+0xcd/0x170 [ 3053.579443][ T10] do_syscall_64+0xc6/0x1e0 [ 3053.579443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3053.579443][ T10] [ 3053.581459][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3053.581459][ T10] netdev_get_by_index+0x5e/0x80 [ 3053.581459][ T10] fib6_nh_init+0x3d8/0x1580 [ 3053.581459][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3053.581459][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3053.581459][ T10] ipv6_add_addr+0x411/0x2000 [ 3053.581459][ T10] inet6_addr_add+0x30e/0xa40 [ 3053.581459][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3053.581459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3053.581459][ T10] netlink_rcv_skb+0x130/0x360 [ 3053.581459][ T10] netlink_unicast+0x449/0x710 [ 3053.581459][ T10] netlink_sendmsg+0x723/0xbe0 [ 3053.581459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3053.581459][ T10] ___sys_sendmsg+0xee/0x170 [ 3053.581459][ T10] __sys_sendmsg+0xcd/0x170 [ 3053.581459][ T10] do_syscall_64+0xc6/0x1e0 [ 3053.581459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3053.581459][ T10] [ 3053.583475][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3053.583475][ T10] netdev_get_by_index+0x5e/0x80 [ 3053.583475][ T10] fib6_nh_init+0x3d8/0x1580 [ 3053.583475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3053.583475][ T10] ip6_route_add+0x1c/0x140 [ 3053.583475][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3053.583475][ T10] addrconf_add_dev+0xe2/0x170 [ 3053.583475][ T10] inet6_addr_add+0x12f/0xa40 [ 3053.583475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3053.583475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3053.583475][ T10] netlink_rcv_skb+0x130/0x360 [ 3053.583475][ T10] netlink_unicast+0x449/0x710 [ 3053.583475][ T10] netlink_sendmsg+0x723/0xbe0 [ 3053.583475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3053.583475][ T10] ___sys_sendmsg+0xee/0x170 [ 3053.583475][ T10] __sys_sendmsg+0xcd/0x170 [ 3053.583475][ T10] do_syscall_64+0xc6/0x1e0 [ 3053.583475][ T10] [ 3053.585459][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3053.585459][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3053.585459][ T10] ipv6_find_idev+0x102/0x170 [ 3053.585459][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3053.585459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3053.585459][ T10] netlink_rcv_skb+0x130/0x360 [ 3053.585459][ T10] netlink_unicast+0x449/0x710 [ 3053.585459][ T10] netlink_sendmsg+0x723/0xbe0 [ 3053.585459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3053.585459][ T10] ___sys_sendmsg+0xee/0x170 [ 3053.585459][ T10] __sys_sendmsg+0xcd/0x170 [ 3053.585459][ T10] do_syscall_64+0xc6/0x1e0 [ 3053.585459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3053.585459][ T10] [ 3053.587008][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3053.587008][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3053.587008][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3053.587008][ T10] ipv6_find_idev+0x102/0x170 [ 3053.587008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3053.587008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3053.587008][ T10] netlink_rcv_skb+0x130/0x360 [ 3053.587008][ T10] netlink_unicast+0x449/0x710 [ 3053.587008][ T10] netlink_sendmsg+0x723/0xbe0 [ 3053.587008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3053.587008][ T10] ___sys_sendmsg+0xee/0x170 [ 3053.587008][ T10] __sys_sendmsg+0xcd/0x170 [ 3053.587008][ T10] do_syscall_64+0xc6/0x1e0 [ 3053.587008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3053.587008][ T10] [ 3053.588711][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3053.588956][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3053.588956][ T10] netdev_get_by_index+0x5e/0x80 [ 3053.588956][ T10] fib6_nh_init+0x3d8/0x1580 [ 3053.588956][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3053.588956][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3053.588956][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3053.588956][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3053.588956][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3053.588956][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3053.588956][ T10] addrconf_dad_begin+0x310/0x670 [ 3053.588956][ T10] addrconf_dad_work+0x10b/0xab0 [ 3053.588956][ T10] process_one_work+0x84d/0x18a0 [ 3053.588956][ T10] worker_thread+0x587/0xd30 [ 3053.588956][ T10] kthread+0x28a/0x350 [ 3053.588956][ T10] ret_from_fork+0x31/0x70 [ 3053.588956][ T10] ret_from_fork_asm+0x1a/0x30 [ 3053.588956][ T10] [ 3053.590882][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3053.590882][ T10] netdev_get_by_index+0x5e/0x80 [ 3053.590882][ T10] fib6_nh_init+0x3d8/0x1580 [ 3053.590882][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3053.590882][ T10] ip6_route_add+0x1c/0x140 [ 3053.590882][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3053.590882][ T10] inet6_addr_add+0x4f8/0xa40 [ 3053.590882][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3053.590882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3053.590882][ T10] netlink_rcv_skb+0x130/0x360 [ 3053.590882][ T10] netlink_unicast+0x449/0x710 [ 3053.590882][ T10] netlink_sendmsg+0x723/0xbe0 [ 3053.590882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3053.590882][ T10] ___sys_sendmsg+0xee/0x170 [ 3053.590882][ T10] __sys_sendmsg+0xcd/0x170 [ 3053.590882][ T10] do_syscall_64+0xc6/0x1e0 [ 3053.590882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3053.590882][ T10] [ 3053.592889][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3053.592889][ T10] netdev_get_by_index+0x5e/0x80 [ 3053.592889][ T10] fib6_nh_init+0x3d8/0x1580 [ 3053.592889][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3053.592889][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3053.592889][ T10] ipv6_add_addr+0x411/0x2000 [ 3053.592889][ T10] inet6_addr_add+0x30e/0xa40 [ 3053.592889][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3053.592889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3053.592889][ T10] netlink_rcv_skb+0x130/0x360 [ 3053.592889][ T10] netlink_unicast+0x449/0x710 [ 3053.592889][ T10] netlink_sendmsg+0x723/0xbe0 [ 3053.592889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3053.592889][ T10] ___sys_sendmsg+0xee/0x170 [ 3053.592889][ T10] __sys_sendmsg+0xcd/0x170 [ 3053.592889][ T10] do_syscall_64+0xc6/0x1e0 [ 3053.592889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3053.592889][ T10] [ 3053.594895][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3053.594895][ T10] netdev_get_by_index+0x5e/0x80 [ 3053.594895][ T10] fib6_nh_init+0x3d8/0x1580 [ 3053.594895][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3053.594895][ T10] ip6_route_add+0x1c/0x140 [ 3053.594895][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3053.594895][ T10] addrconf_add_dev+0xe2/0x170 [ 3053.594895][ T10] inet6_addr_add+0x12f/0xa40 [ 3053.594895][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3053.594895][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3053.594895][ T10] netlink_rcv_skb+0x130/0x360 [ 3053.594895][ T10] netlink_unicast+0x449/0x710 [ 3053.594895][ T10] netlink_sendmsg+0x723/0xbe0 [ 3053.594895][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3053.594895][ T10] ___sys_sendmsg+0xee/0x170 [ 3053.594895][ T10] __sys_sendmsg+0xcd/0x170 [ 3053.594895][ T10] do_syscall_64+0xc6/0x1e0 [ 3053.594895][ T10] [ 3053.596884][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3053.596884][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3053.596884][ T10] ipv6_find_idev+0x102/0x170 [ 3053.596884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3053.596884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3053.596884][ T10] netlink_rcv_skb+0x130/0x360 [ 3053.596884][ T10] netlink_unicast+0x449/0x710 [ 3053.596884][ T10] netlink_sendmsg+0x723/0xbe0 [ 3053.596884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3053.596884][ T10] ___sys_sendmsg+0xee/0x170 [ 3053.596884][ T10] __sys_sendmsg+0xcd/0x170 [ 3053.596884][ T10] do_syscall_64+0xc6/0x1e0 [ 3053.596884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3053.596884][ T10] [ 3053.598425][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3053.598425][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3053.598425][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3053.598425][ T10] ipv6_find_idev+0x102/0x170 [ 3053.598425][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3053.598425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3053.598425][ T10] netlink_rcv_skb+0x130/0x360 [ 3053.598425][ T10] netlink_unicast+0x449/0x710 [ 3053.598425][ T10] netlink_sendmsg+0x723/0xbe0 [ 3053.598425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3053.598425][ T10] ___sys_sendmsg+0xee/0x170 [ 3053.598425][ T10] __sys_sendmsg+0xcd/0x170 [ 3053.598425][ T10] do_syscall_64+0xc6/0x1e0 [ 3053.598425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3053.598425][ T10] [ 3053.600115][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3053.600367][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3053.600367][ T10] netdev_get_by_index+0x5e/0x80 [ 3053.600367][ T10] fib6_nh_init+0x3d8/0x1580 [ 3053.600367][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3053.600367][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3053.600367][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3053.600367][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3053.600367][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3053.600367][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3053.600367][ T10] addrconf_dad_begin+0x310/0x670 [ 3053.600367][ T10] addrconf_dad_work+0x10b/0xab0 [ 3053.600367][ T10] process_one_work+0x84d/0x18a0 [ 3053.600367][ T10] worker_thread+0x587/0xd30 [ 3053.600367][ T10] kthread+0x28a/0x350 [ 3053.600367][ T10] ret_from_fork+0x31/0x70 [ 3053.600367][ T10] ret_from_fork_asm+0x1a/0x30 [ 3053.600367][ T10] [ 3053.602282][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3053.602282][ T10] netdev_get_by_index+0x5e/0x80 [ 3053.602282][ T10] fib6_nh_init+0x3d8/0x1580 [ 3053.602282][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3053.602282][ T10] ip6_route_add+0x1c/0x140 [ 3053.602282][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3053.602282][ T10] inet6_addr_add+0x4f8/0xa40 [ 3053.602282][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3053.602282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3053.602282][ T10] netlink_rcv_skb+0x130/0x360 [ 3053.602282][ T10] netlink_unicast+0x449/0x710 [ 3053.602282][ T10] netlink_sendmsg+0x723/0xbe0 [ 3053.602282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3053.602282][ T10] ___sys_sendmsg+0xee/0x170 [ 3053.602282][ T10] __sys_sendmsg+0xcd/0x170 [ 3053.602282][ T10] do_syscall_64+0xc6/0x1e0 [ 3053.602282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3053.602282][ T10] [ 3053.604434][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3053.604434][ T10] netdev_get_by_index+0x5e/0x80 [ 3053.604434][ T10] fib6_nh_init+0x3d8/0x1580 [ 3053.604434][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3053.604434][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3053.604434][ T10] ipv6_add_addr+0x411/0x2000 [ 3053.604434][ T10] inet6_addr_add+0x30e/0xa40 [ 3053.604434][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3053.604434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3053.604434][ T10] netlink_rcv_skb+0x130/0x360 [ 3053.604434][ T10] netlink_unicast+0x449/0x710 [ 3053.604434][ T10] netlink_sendmsg+0x723/0xbe0 [ 3053.604434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3053.604434][ T10] ___sys_sendmsg+0xee/0x170 [ 3053.604434][ T10] __sys_sendmsg+0xcd/0x170 [ 3053.604434][ T10] do_syscall_64+0xc6/0x1e0 [ 3053.604434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3053.604434][ T10] [ 3053.606574][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3053.606574][ T10] netdev_get_by_index+0x5e/0x80 [ 3053.606574][ T10] fib6_nh_init+0x3d8/0x1580 [ 3053.606574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3053.606574][ T10] ip6_route_add+0x1c/0x140 [ 3053.606574][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3053.606574][ T10] addrconf_add_dev+0xe2/0x170 [ 3053.606574][ T10] inet6_addr_add+0x12f/0xa40 [ 3053.606574][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3053.606574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3053.606574][ T10] netlink_rcv_skb+0x130/0x360 [ 3053.606574][ T10] netlink_unicast+0x449/0x710 [ 3053.606574][ T10] netlink_sendmsg+0x723/0xbe0 [ 3053.606574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3053.606574][ T10] ___sys_sendmsg+0xee/0x170 [ 3053.606574][ T10] __sys_sendmsg+0xcd/0x170 [ 3053.606574][ T10] do_syscall_64+0xc6/0x1e0 [ 3053.606574][ T10] [ 3053.608685][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3053.608685][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3053.608685][ T10] ipv6_find_idev+0x102/0x170 [ 3053.608685][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3053.608685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3053.608685][ T10] netlink_rcv_skb+0x130/0x360 [ 3053.608685][ T10] netlink_unicast+0x449/0x710 [ 3053.608685][ T10] netlink_sendmsg+0x723/0xbe0 [ 3053.608685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3053.608685][ T10] ___sys_sendmsg+0xee/0x170 [ 3053.608685][ T10] __sys_sendmsg+0xcd/0x170 [ 3053.608685][ T10] do_syscall_64+0xc6/0x1e0 [ 3053.608685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3053.608685][ T10] [ 3053.610295][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3053.610295][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3053.610295][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3053.610295][ T10] ipv6_find_idev+0x102/0x170 [ 3053.610295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3053.610295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3053.610295][ T10] netlink_rcv_skb+0x130/0x360 [ 3053.610295][ T10] netlink_unicast+0x449/0x710 [ 3053.610295][ T10] netlink_sendmsg+0x723/0xbe0 [ 3053.610295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3053.610295][ T10] ___sys_sendmsg+0xee/0x170 [ 3053.610295][ T10] __sys_sendmsg+0xcd/0x170 [ 3053.610295][ T10] do_syscall_64+0xc6/0x1e0 [ 3053.610295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3053.610295][ T10] [ 3053.612120][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3053.612360][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3053.612360][ T10] netdev_get_by_index+0x5e/0x80 [ 3053.612360][ T10] fib6_nh_init+0x3d8/0x1580 [ 3053.612360][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3053.612360][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3053.612360][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3053.612360][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3053.612360][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3053.612360][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3053.612360][ T10] addrconf_dad_begin+0x310/0x670 [ 3053.612360][ T10] addrconf_dad_work+0x10b/0xab0 [ 3053.612360][ T10] process_one_work+0x84d/0x18a0 [ 3053.612360][ T10] worker_thread+0x587/0xd30 [ 3053.612360][ T10] kthread+0x28a/0x350 [ 3053.612360][ T10] ret_from_fork+0x31/0x70 [ 3053.612360][ T10] ret_from_fork_asm+0x1a/0x30 [ 3053.612360][ T10] [ 3053.614408][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3053.614408][ T10] netdev_get_by_index+0x5e/0x80 [ 3053.614408][ T10] fib6_nh_init+0x3d8/0x1580 [ 3053.614408][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3053.614408][ T10] ip6_route_add+0x1c/0x140 [ 3053.614408][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3053.614408][ T10] inet6_addr_add+0x4f8/0xa40 [ 3053.614408][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3053.614408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3053.614408][ T10] netlink_rcv_skb+0x130/0x360 [ 3053.614408][ T10] netlink_unicast+0x449/0x710 [ 3053.614408][ T10] netlink_sendmsg+0x723/0xbe0 [ 3053.614408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3053.614408][ T10] ___sys_sendmsg+0xee/0x170 [ 3053.614408][ T10] __sys_sendmsg+0xcd/0x170 [ 3053.614408][ T10] do_syscall_64+0xc6/0x1e0 [ 3053.614408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3053.614408][ T10] [ 3053.616544][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3053.616544][ T10] netdev_get_by_index+0x5e/0x80 [ 3053.616544][ T10] fib6_nh_init+0x3d8/0x1580 [ 3053.616544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3053.616544][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3053.616544][ T10] ipv6_add_addr+0x411/0x2000 [ 3053.616544][ T10] inet6_addr_add+0x30e/0xa40 [ 3053.616544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3053.616544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3053.616544][ T10] netlink_rcv_skb+0x130/0x360 [ 3053.616544][ T10] netlink_unicast+0x449/0x710 [ 3053.616544][ T10] netlink_sendmsg+0x723/0xbe0 [ 3053.616544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3053.616544][ T10] ___sys_sendmsg+0xee/0x170 [ 3053.616544][ T10] __sys_sendmsg+0xcd/0x170 [ 3053.616544][ T10] do_syscall_64+0xc6/0x1e0 [ 3053.616544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3053.616544][ T10] [ 3053.618687][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3053.618687][ T10] netdev_get_by_index+0x5e/0x80 [ 3053.618687][ T10] fib6_nh_init+0x3d8/0x1580 [ 3053.618687][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3053.618687][ T10] ip6_route_add+0x1c/0x140 [ 3053.618687][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3053.618687][ T10] addrconf_add_dev+0xe2/0x170 [ 3053.618687][ T10] inet6_addr_add+0x12f/0xa40 [ 3053.618687][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3053.618687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3053.618687][ T10] netlink_rcv_skb+0x130/0x360 [ 3053.618687][ T10] netlink_unicast+0x449/0x710 [ 3053.618687][ T10] netlink_sendmsg+0x723/0xbe0 [ 3053.618687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3053.618687][ T10] ___sys_sendmsg+0xee/0x170 [ 3053.618687][ T10] __sys_sendmsg+0xcd/0x170 [ 3053.618687][ T10] do_syscall_64+0xc6/0x1e0 [ 3053.618687][ T10] [ 3053.620873][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3053.620873][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3053.620873][ T10] ipv6_find_idev+0x102/0x170 [ 3053.620873][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3053.620873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3053.620873][ T10] netlink_rcv_skb+0x130/0x360 [ 3053.620873][ T10] netlink_unicast+0x449/0x710 [ 3053.620873][ T10] netlink_sendmsg+0x723/0xbe0 [ 3053.620873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3053.620873][ T10] ___sys_sendmsg+0xee/0x170 [ 3053.620873][ T10] __sys_sendmsg+0xcd/0x170 [ 3053.620873][ T10] do_syscall_64+0xc6/0x1e0 [ 3053.620873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3053.620873][ T10] [ 3053.622488][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3053.622488][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3053.622488][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3053.622488][ T10] ipv6_find_idev+0x102/0x170 [ 3053.622488][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3053.622488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3053.622488][ T10] netlink_rcv_skb+0x130/0x360 [ 3053.622488][ T10] netlink_unicast+0x449/0x710 [ 3053.622488][ T10] netlink_sendmsg+0x723/0xbe0 [ 3053.622488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3053.622488][ T10] ___sys_sendmsg+0xee/0x170 [ 3053.622488][ T10] __sys_sendmsg+0xcd/0x170 [ 3053.622488][ T10] do_syscall_64+0xc6/0x1e0 [ 3053.622488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3053.622488][ T10] [ 3055.137089][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3055.137564][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3055.137564][ T1167] dst_init+0x84/0x4a0 [ 3055.137564][ T1167] dst_alloc+0x97/0x150 [ 3055.137564][ T1167] ip6_dst_alloc+0x23/0x90 [ 3055.137564][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3055.137564][ T1167] ip6_pol_route+0x56f/0x840 [ 3055.137564][ T1167] fib6_rule_lookup+0x334/0x630 [ 3055.137564][ T1167] ip6_route_output_flags+0x259/0x480 [ 3055.137564][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3055.137564][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3055.137564][ T1167] netlink_rcv_skb+0x130/0x360 [ 3055.137564][ T1167] netlink_unicast+0x449/0x710 [ 3055.137564][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3055.137564][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3055.137564][ T1167] ___sys_sendmsg+0xee/0x170 [ 3055.137564][ T1167] __sys_sendmsg+0xcd/0x170 [ 3055.137564][ T1167] do_syscall_64+0xc6/0x1e0 [ 3055.137564][ T1167] [ 3055.139765][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3055.139765][ T1167] netdev_get_by_index+0x5e/0x80 [ 3055.139765][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3055.139765][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3055.139765][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3055.139765][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3055.139765][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3055.139765][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3055.139765][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3055.139765][ T1167] addrconf_dad_begin+0x310/0x670 [ 3055.139765][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3055.139765][ T1167] process_one_work+0x84d/0x18a0 [ 3055.139765][ T1167] worker_thread+0x587/0xd30 [ 3055.139765][ T1167] kthread+0x28a/0x350 [ 3055.139765][ T1167] ret_from_fork+0x31/0x70 [ 3055.139765][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3055.139765][ T1167] [ 3055.141922][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3055.141922][ T1167] netdev_get_by_index+0x5e/0x80 [ 3055.141922][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3055.141922][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3055.141922][ T1167] ip6_route_add+0x1c/0x140 [ 3055.141922][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3055.141922][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3055.141922][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3055.141922][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.141922][ T1167] netlink_rcv_skb+0x130/0x360 [ 3055.141922][ T1167] netlink_unicast+0x449/0x710 [ 3055.141922][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3055.141922][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3055.141922][ T1167] ___sys_sendmsg+0xee/0x170 [ 3055.141922][ T1167] __sys_sendmsg+0xcd/0x170 [ 3055.141922][ T1167] do_syscall_64+0xc6/0x1e0 [ 3055.141922][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.141922][ T1167] [ 3055.144157][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3055.144157][ T1167] netdev_get_by_index+0x5e/0x80 [ 3055.144157][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3055.144157][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3055.144157][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3055.144157][ T1167] ipv6_add_addr+0x411/0x2000 [ 3055.144157][ T1167] inet6_addr_add+0x30e/0xa40 [ 3055.144157][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3055.144157][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.144157][ T1167] netlink_rcv_skb+0x130/0x360 [ 3055.144157][ T1167] netlink_unicast+0x449/0x710 [ 3055.144157][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3055.144157][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3055.144157][ T1167] ___sys_sendmsg+0xee/0x170 [ 3055.144157][ T1167] __sys_sendmsg+0xcd/0x170 [ 3055.144157][ T1167] do_syscall_64+0xc6/0x1e0 [ 3055.144157][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.144157][ T1167] [ 3055.146371][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3055.146371][ T1167] netdev_get_by_index+0x5e/0x80 [ 3055.146371][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3055.146371][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3055.146371][ T1167] ip6_route_add+0x1c/0x140 [ 3055.146371][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3055.146371][ T1167] addrconf_add_dev+0xe2/0x170 [ 3055.146371][ T1167] inet6_addr_add+0x12f/0xa40 [ 3055.146371][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3055.146371][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.146371][ T1167] netlink_rcv_skb+0x130/0x360 [ 3055.146371][ T1167] netlink_unicast+0x449/0x710 [ 3055.146371][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3055.146371][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3055.146371][ T1167] ___sys_sendmsg+0xee/0x170 [ 3055.146371][ T1167] __sys_sendmsg+0xcd/0x170 [ 3055.146371][ T1167] do_syscall_64+0xc6/0x1e0 [ 3055.146371][ T1167] [ 3055.148552][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3055.148552][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3055.148552][ T1167] ipv6_find_idev+0x102/0x170 [ 3055.148552][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3055.148552][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.148552][ T1167] netlink_rcv_skb+0x130/0x360 [ 3055.148552][ T1167] netlink_unicast+0x449/0x710 [ 3055.148552][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3055.148552][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3055.148552][ T1167] ___sys_sendmsg+0xee/0x170 [ 3055.148552][ T1167] __sys_sendmsg+0xcd/0x170 [ 3055.148552][ T1167] do_syscall_64+0xc6/0x1e0 [ 3055.148552][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.148552][ T1167] [ 3055.150256][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3055.150256][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3055.150256][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3055.150256][ T1167] ipv6_find_idev+0x102/0x170 [ 3055.150256][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3055.150256][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.150256][ T1167] netlink_rcv_skb+0x130/0x360 [ 3055.150256][ T1167] netlink_unicast+0x449/0x710 [ 3055.150256][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3055.150256][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3055.150256][ T1167] ___sys_sendmsg+0xee/0x170 [ 3055.150256][ T1167] __sys_sendmsg+0xcd/0x170 [ 3055.150256][ T1167] do_syscall_64+0xc6/0x1e0 [ 3055.150256][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.150256][ T1167] [ 3063.865127][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3063.865479][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3063.865479][ T10] netdev_get_by_index+0x5e/0x80 [ 3063.865479][ T10] fib6_nh_init+0x3d8/0x1580 [ 3063.865479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3063.865479][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3063.865479][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3063.865479][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3063.865479][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3063.865479][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3063.865479][ T10] addrconf_dad_begin+0x310/0x670 [ 3063.865479][ T10] addrconf_dad_work+0x10b/0xab0 [ 3063.865479][ T10] process_one_work+0x84d/0x18a0 [ 3063.865479][ T10] worker_thread+0x587/0xd30 [ 3063.865479][ T10] kthread+0x28a/0x350 [ 3063.865479][ T10] ret_from_fork+0x31/0x70 [ 3063.865479][ T10] ret_from_fork_asm+0x1a/0x30 [ 3063.865479][ T10] [ 3063.867483][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3063.867483][ T10] netdev_get_by_index+0x5e/0x80 [ 3063.867483][ T10] fib6_nh_init+0x3d8/0x1580 [ 3063.867483][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3063.867483][ T10] ip6_route_add+0x1c/0x140 [ 3063.867483][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3063.867483][ T10] inet6_addr_add+0x4f8/0xa40 [ 3063.867483][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3063.867483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3063.867483][ T10] netlink_rcv_skb+0x130/0x360 [ 3063.867483][ T10] netlink_unicast+0x449/0x710 [ 3063.867483][ T10] netlink_sendmsg+0x723/0xbe0 [ 3063.867483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3063.867483][ T10] ___sys_sendmsg+0xee/0x170 [ 3063.867483][ T10] __sys_sendmsg+0xcd/0x170 [ 3063.867483][ T10] do_syscall_64+0xc6/0x1e0 [ 3063.867483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3063.867483][ T10] [ 3063.869475][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3063.869475][ T10] netdev_get_by_index+0x5e/0x80 [ 3063.869475][ T10] fib6_nh_init+0x3d8/0x1580 [ 3063.869475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3063.869475][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3063.869475][ T10] ipv6_add_addr+0x411/0x2000 [ 3063.869475][ T10] inet6_addr_add+0x30e/0xa40 [ 3063.869475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3063.869475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3063.869475][ T10] netlink_rcv_skb+0x130/0x360 [ 3063.869475][ T10] netlink_unicast+0x449/0x710 [ 3063.869475][ T10] netlink_sendmsg+0x723/0xbe0 [ 3063.869475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3063.869475][ T10] ___sys_sendmsg+0xee/0x170 [ 3063.869475][ T10] __sys_sendmsg+0xcd/0x170 [ 3063.869475][ T10] do_syscall_64+0xc6/0x1e0 [ 3063.869475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3063.869475][ T10] [ 3063.871464][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3063.871464][ T10] netdev_get_by_index+0x5e/0x80 [ 3063.871464][ T10] fib6_nh_init+0x3d8/0x1580 [ 3063.871464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3063.871464][ T10] ip6_route_add+0x1c/0x140 [ 3063.871464][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3063.871464][ T10] addrconf_add_dev+0xe2/0x170 [ 3063.871464][ T10] inet6_addr_add+0x12f/0xa40 [ 3063.871464][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3063.871464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3063.871464][ T10] netlink_rcv_skb+0x130/0x360 [ 3063.871464][ T10] netlink_unicast+0x449/0x710 [ 3063.871464][ T10] netlink_sendmsg+0x723/0xbe0 [ 3063.871464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3063.871464][ T10] ___sys_sendmsg+0xee/0x170 [ 3063.871464][ T10] __sys_sendmsg+0xcd/0x170 [ 3063.871464][ T10] do_syscall_64+0xc6/0x1e0 [ 3063.871464][ T10] [ 3063.873417][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3063.873417][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3063.873417][ T10] ipv6_find_idev+0x102/0x170 [ 3063.873417][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3063.873417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3063.873417][ T10] netlink_rcv_skb+0x130/0x360 [ 3063.873417][ T10] netlink_unicast+0x449/0x710 [ 3063.873417][ T10] netlink_sendmsg+0x723/0xbe0 [ 3063.873417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3063.873417][ T10] ___sys_sendmsg+0xee/0x170 [ 3063.873417][ T10] __sys_sendmsg+0xcd/0x170 [ 3063.873417][ T10] do_syscall_64+0xc6/0x1e0 [ 3063.873417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3063.873417][ T10] [ 3063.874947][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3063.874947][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3063.874947][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3063.874947][ T10] ipv6_find_idev+0x102/0x170 [ 3063.874947][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3063.874947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3063.874947][ T10] netlink_rcv_skb+0x130/0x360 [ 3063.874947][ T10] netlink_unicast+0x449/0x710 [ 3063.874947][ T10] netlink_sendmsg+0x723/0xbe0 [ 3063.874947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3063.874947][ T10] ___sys_sendmsg+0xee/0x170 [ 3063.874947][ T10] __sys_sendmsg+0xcd/0x170 [ 3063.874947][ T10] do_syscall_64+0xc6/0x1e0 [ 3063.874947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3063.874947][ T10] [ 3063.876615][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3063.876855][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3063.876855][ T10] netdev_get_by_index+0x5e/0x80 [ 3063.876855][ T10] fib6_nh_init+0x3d8/0x1580 [ 3063.876855][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3063.876855][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3063.876855][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3063.876855][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3063.876855][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3063.876855][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3063.876855][ T10] addrconf_dad_begin+0x310/0x670 [ 3063.876855][ T10] addrconf_dad_work+0x10b/0xab0 [ 3063.876855][ T10] process_one_work+0x84d/0x18a0 [ 3063.876855][ T10] worker_thread+0x587/0xd30 [ 3063.876855][ T10] kthread+0x28a/0x350 [ 3063.876855][ T10] ret_from_fork+0x31/0x70 [ 3063.876855][ T10] ret_from_fork_asm+0x1a/0x30 [ 3063.876855][ T10] [ 3063.878833][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3063.878833][ T10] netdev_get_by_index+0x5e/0x80 [ 3063.878833][ T10] fib6_nh_init+0x3d8/0x1580 [ 3063.878833][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3063.878833][ T10] ip6_route_add+0x1c/0x140 [ 3063.878833][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3063.878833][ T10] inet6_addr_add+0x4f8/0xa40 [ 3063.878833][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3063.878833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3063.878833][ T10] netlink_rcv_skb+0x130/0x360 [ 3063.878833][ T10] netlink_unicast+0x449/0x710 [ 3063.878833][ T10] netlink_sendmsg+0x723/0xbe0 [ 3063.878833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3063.878833][ T10] ___sys_sendmsg+0xee/0x170 [ 3063.878833][ T10] __sys_sendmsg+0xcd/0x170 [ 3063.878833][ T10] do_syscall_64+0xc6/0x1e0 [ 3063.878833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3063.878833][ T10] [ 3063.880809][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3063.880809][ T10] netdev_get_by_index+0x5e/0x80 [ 3063.880809][ T10] fib6_nh_init+0x3d8/0x1580 [ 3063.880809][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3063.880809][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3063.880809][ T10] ipv6_add_addr+0x411/0x2000 [ 3063.880809][ T10] inet6_addr_add+0x30e/0xa40 [ 3063.880809][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3063.880809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3063.880809][ T10] netlink_rcv_skb+0x130/0x360 [ 3063.880809][ T10] netlink_unicast+0x449/0x710 [ 3063.880809][ T10] netlink_sendmsg+0x723/0xbe0 [ 3063.880809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3063.880809][ T10] ___sys_sendmsg+0xee/0x170 [ 3063.880809][ T10] __sys_sendmsg+0xcd/0x170 [ 3063.880809][ T10] do_syscall_64+0xc6/0x1e0 [ 3063.880809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3063.880809][ T10] [ 3063.882795][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3063.882795][ T10] netdev_get_by_index+0x5e/0x80 [ 3063.882795][ T10] fib6_nh_init+0x3d8/0x1580 [ 3063.882795][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3063.882795][ T10] ip6_route_add+0x1c/0x140 [ 3063.882795][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3063.882795][ T10] addrconf_add_dev+0xe2/0x170 [ 3063.882795][ T10] inet6_addr_add+0x12f/0xa40 [ 3063.882795][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3063.882795][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3063.882795][ T10] netlink_rcv_skb+0x130/0x360 [ 3063.882795][ T10] netlink_unicast+0x449/0x710 [ 3063.882795][ T10] netlink_sendmsg+0x723/0xbe0 [ 3063.882795][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3063.882795][ T10] ___sys_sendmsg+0xee/0x170 [ 3063.882795][ T10] __sys_sendmsg+0xcd/0x170 [ 3063.882795][ T10] do_syscall_64+0xc6/0x1e0 [ 3063.882795][ T10] [ 3063.884757][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3063.884757][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3063.884757][ T10] ipv6_find_idev+0x102/0x170 [ 3063.884757][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3063.884757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3063.884757][ T10] netlink_rcv_skb+0x130/0x360 [ 3063.884757][ T10] netlink_unicast+0x449/0x710 [ 3063.884757][ T10] netlink_sendmsg+0x723/0xbe0 [ 3063.884757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3063.884757][ T10] ___sys_sendmsg+0xee/0x170 [ 3063.884757][ T10] __sys_sendmsg+0xcd/0x170 [ 3063.884757][ T10] do_syscall_64+0xc6/0x1e0 [ 3063.884757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3063.884757][ T10] [ 3063.886282][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3063.886282][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3063.886282][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3063.886282][ T10] ipv6_find_idev+0x102/0x170 [ 3063.886282][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3063.886282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3063.886282][ T10] netlink_rcv_skb+0x130/0x360 [ 3063.886282][ T10] netlink_unicast+0x449/0x710 [ 3063.886282][ T10] netlink_sendmsg+0x723/0xbe0 [ 3063.886282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3063.886282][ T10] ___sys_sendmsg+0xee/0x170 [ 3063.886282][ T10] __sys_sendmsg+0xcd/0x170 [ 3063.886282][ T10] do_syscall_64+0xc6/0x1e0 [ 3063.886282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3063.886282][ T10] [ 3063.887960][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3063.888210][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3063.888210][ T10] netdev_get_by_index+0x5e/0x80 [ 3063.888210][ T10] fib6_nh_init+0x3d8/0x1580 [ 3063.888210][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3063.888210][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3063.888210][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3063.888210][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3063.888210][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3063.888210][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3063.888210][ T10] addrconf_dad_begin+0x310/0x670 [ 3063.888210][ T10] addrconf_dad_work+0x10b/0xab0 [ 3063.888210][ T10] process_one_work+0x84d/0x18a0 [ 3063.888210][ T10] worker_thread+0x587/0xd30 [ 3063.888210][ T10] kthread+0x28a/0x350 [ 3063.888210][ T10] ret_from_fork+0x31/0x70 [ 3063.888210][ T10] ret_from_fork_asm+0x1a/0x30 [ 3063.888210][ T10] [ 3063.890113][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3063.890113][ T10] netdev_get_by_index+0x5e/0x80 [ 3063.890113][ T10] fib6_nh_init+0x3d8/0x1580 [ 3063.890113][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3063.890113][ T10] ip6_route_add+0x1c/0x140 [ 3063.890113][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3063.890113][ T10] inet6_addr_add+0x4f8/0xa40 [ 3063.890113][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3063.890113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3063.890113][ T10] netlink_rcv_skb+0x130/0x360 [ 3063.890113][ T10] netlink_unicast+0x449/0x710 [ 3063.890113][ T10] netlink_sendmsg+0x723/0xbe0 [ 3063.890113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3063.890113][ T10] ___sys_sendmsg+0xee/0x170 [ 3063.890113][ T10] __sys_sendmsg+0xcd/0x170 [ 3063.890113][ T10] do_syscall_64+0xc6/0x1e0 [ 3063.890113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3063.890113][ T10] [ 3063.892282][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3063.892282][ T10] netdev_get_by_index+0x5e/0x80 [ 3063.892282][ T10] fib6_nh_init+0x3d8/0x1580 [ 3063.892282][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3063.892282][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3063.892282][ T10] ipv6_add_addr+0x411/0x2000 [ 3063.892282][ T10] inet6_addr_add+0x30e/0xa40 [ 3063.892282][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3063.892282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3063.892282][ T10] netlink_rcv_skb+0x130/0x360 [ 3063.892282][ T10] netlink_unicast+0x449/0x710 [ 3063.892282][ T10] netlink_sendmsg+0x723/0xbe0 [ 3063.892282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3063.892282][ T10] ___sys_sendmsg+0xee/0x170 [ 3063.892282][ T10] __sys_sendmsg+0xcd/0x170 [ 3063.892282][ T10] do_syscall_64+0xc6/0x1e0 [ 3063.892282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3063.892282][ T10] [ 3063.894509][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3063.894509][ T10] netdev_get_by_index+0x5e/0x80 [ 3063.894509][ T10] fib6_nh_init+0x3d8/0x1580 [ 3063.894509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3063.894509][ T10] ip6_route_add+0x1c/0x140 [ 3063.894509][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3063.894509][ T10] addrconf_add_dev+0xe2/0x170 [ 3063.894509][ T10] inet6_addr_add+0x12f/0xa40 [ 3063.894509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3063.894509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3063.894509][ T10] netlink_rcv_skb+0x130/0x360 [ 3063.894509][ T10] netlink_unicast+0x449/0x710 [ 3063.894509][ T10] netlink_sendmsg+0x723/0xbe0 [ 3063.894509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3063.894509][ T10] ___sys_sendmsg+0xee/0x170 [ 3063.894509][ T10] __sys_sendmsg+0xcd/0x170 [ 3063.894509][ T10] do_syscall_64+0xc6/0x1e0 [ 3063.894509][ T10] [ 3063.896695][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3063.896695][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3063.896695][ T10] ipv6_find_idev+0x102/0x170 [ 3063.896695][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3063.896695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3063.896695][ T10] netlink_rcv_skb+0x130/0x360 [ 3063.896695][ T10] netlink_unicast+0x449/0x710 [ 3063.896695][ T10] netlink_sendmsg+0x723/0xbe0 [ 3063.896695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3063.896695][ T10] ___sys_sendmsg+0xee/0x170 [ 3063.896695][ T10] __sys_sendmsg+0xcd/0x170 [ 3063.896695][ T10] do_syscall_64+0xc6/0x1e0 [ 3063.896695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3063.896695][ T10] [ 3063.898464][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3063.898464][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3063.898464][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3063.898464][ T10] ipv6_find_idev+0x102/0x170 [ 3063.898464][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3063.898464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3063.898464][ T10] netlink_rcv_skb+0x130/0x360 [ 3063.898464][ T10] netlink_unicast+0x449/0x710 [ 3063.898464][ T10] netlink_sendmsg+0x723/0xbe0 [ 3063.898464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3063.898464][ T10] ___sys_sendmsg+0xee/0x170 [ 3063.898464][ T10] __sys_sendmsg+0xcd/0x170 [ 3063.898464][ T10] do_syscall_64+0xc6/0x1e0 [ 3063.898464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3063.898464][ T10] [ 3063.900256][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3063.900494][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3063.900494][ T10] netdev_get_by_index+0x5e/0x80 [ 3063.900494][ T10] fib6_nh_init+0x3d8/0x1580 [ 3063.900494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3063.900494][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3063.900494][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3063.900494][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3063.900494][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3063.900494][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3063.900494][ T10] addrconf_dad_begin+0x310/0x670 [ 3063.900494][ T10] addrconf_dad_work+0x10b/0xab0 [ 3063.900494][ T10] process_one_work+0x84d/0x18a0 [ 3063.900494][ T10] worker_thread+0x587/0xd30 [ 3063.900494][ T10] kthread+0x28a/0x350 [ 3063.900494][ T10] ret_from_fork+0x31/0x70 [ 3063.900494][ T10] ret_from_fork_asm+0x1a/0x30 [ 3063.900494][ T10] [ 3063.902638][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3063.902638][ T10] netdev_get_by_index+0x5e/0x80 [ 3063.902638][ T10] fib6_nh_init+0x3d8/0x1580 [ 3063.902638][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3063.902638][ T10] ip6_route_add+0x1c/0x140 [ 3063.902638][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3063.902638][ T10] inet6_addr_add+0x4f8/0xa40 [ 3063.902638][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3063.902638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3063.902638][ T10] netlink_rcv_skb+0x130/0x360 [ 3063.902638][ T10] netlink_unicast+0x449/0x710 [ 3063.902638][ T10] netlink_sendmsg+0x723/0xbe0 [ 3063.902638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3063.902638][ T10] ___sys_sendmsg+0xee/0x170 [ 3063.902638][ T10] __sys_sendmsg+0xcd/0x170 [ 3063.902638][ T10] do_syscall_64+0xc6/0x1e0 [ 3063.902638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3063.902638][ T10] [ 3063.904867][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3063.904867][ T10] netdev_get_by_index+0x5e/0x80 [ 3063.904867][ T10] fib6_nh_init+0x3d8/0x1580 [ 3063.904867][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3063.904867][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3063.904867][ T10] ipv6_add_addr+0x411/0x2000 [ 3063.904867][ T10] inet6_addr_add+0x30e/0xa40 [ 3063.904867][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3063.904867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3063.904867][ T10] netlink_rcv_skb+0x130/0x360 [ 3063.904867][ T10] netlink_unicast+0x449/0x710 [ 3063.904867][ T10] netlink_sendmsg+0x723/0xbe0 [ 3063.904867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3063.904867][ T10] ___sys_sendmsg+0xee/0x170 [ 3063.904867][ T10] __sys_sendmsg+0xcd/0x170 [ 3063.904867][ T10] do_syscall_64+0xc6/0x1e0 [ 3063.904867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3063.904867][ T10] [ 3063.907089][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3063.907089][ T10] netdev_get_by_index+0x5e/0x80 [ 3063.907089][ T10] fib6_nh_init+0x3d8/0x1580 [ 3063.907089][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3063.907089][ T10] ip6_route_add+0x1c/0x140 [ 3063.907089][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3063.907089][ T10] addrconf_add_dev+0xe2/0x170 [ 3063.907089][ T10] inet6_addr_add+0x12f/0xa40 [ 3063.907089][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3063.907089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3063.907089][ T10] netlink_rcv_skb+0x130/0x360 [ 3063.907089][ T10] netlink_unicast+0x449/0x710 [ 3063.907089][ T10] netlink_sendmsg+0x723/0xbe0 [ 3063.907089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3063.907089][ T10] ___sys_sendmsg+0xee/0x170 [ 3063.907089][ T10] __sys_sendmsg+0xcd/0x170 [ 3063.907089][ T10] do_syscall_64+0xc6/0x1e0 [ 3063.907089][ T10] [ 3063.909331][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3063.909331][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3063.909331][ T10] ipv6_find_idev+0x102/0x170 [ 3063.909331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3063.909331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3063.909331][ T10] netlink_rcv_skb+0x130/0x360 [ 3063.909331][ T10] netlink_unicast+0x449/0x710 [ 3063.909331][ T10] netlink_sendmsg+0x723/0xbe0 [ 3063.909331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3063.909331][ T10] ___sys_sendmsg+0xee/0x170 [ 3063.909331][ T10] __sys_sendmsg+0xcd/0x170 [ 3063.909331][ T10] do_syscall_64+0xc6/0x1e0 [ 3063.909331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3063.909331][ T10] [ 3063.911040][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3063.911040][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3063.911040][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3063.911040][ T10] ipv6_find_idev+0x102/0x170 [ 3063.911040][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3063.911040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3063.911040][ T10] netlink_rcv_skb+0x130/0x360 [ 3063.911040][ T10] netlink_unicast+0x449/0x710 [ 3063.911040][ T10] netlink_sendmsg+0x723/0xbe0 [ 3063.911040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3063.911040][ T10] ___sys_sendmsg+0xee/0x170 [ 3063.911040][ T10] __sys_sendmsg+0xcd/0x170 [ 3063.911040][ T10] do_syscall_64+0xc6/0x1e0 [ 3063.911040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3063.911040][ T10] [ 3065.401074][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3065.401501][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3065.401501][ T1167] dst_init+0x84/0x4a0 [ 3065.401501][ T1167] dst_alloc+0x97/0x150 [ 3065.401501][ T1167] ip6_dst_alloc+0x23/0x90 [ 3065.401501][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3065.401501][ T1167] ip6_pol_route+0x56f/0x840 [ 3065.401501][ T1167] fib6_rule_lookup+0x334/0x630 [ 3065.401501][ T1167] ip6_route_output_flags+0x259/0x480 [ 3065.401501][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3065.401501][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3065.401501][ T1167] netlink_rcv_skb+0x130/0x360 [ 3065.401501][ T1167] netlink_unicast+0x449/0x710 [ 3065.401501][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3065.401501][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3065.401501][ T1167] ___sys_sendmsg+0xee/0x170 [ 3065.401501][ T1167] __sys_sendmsg+0xcd/0x170 [ 3065.401501][ T1167] do_syscall_64+0xc6/0x1e0 [ 3065.401501][ T1167] [ 3065.403822][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3065.403822][ T1167] netdev_get_by_index+0x5e/0x80 [ 3065.403822][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3065.403822][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3065.403822][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3065.403822][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3065.403822][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3065.403822][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3065.403822][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3065.403822][ T1167] addrconf_dad_begin+0x310/0x670 [ 3065.403822][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3065.403822][ T1167] process_one_work+0x84d/0x18a0 [ 3065.403822][ T1167] worker_thread+0x587/0xd30 [ 3065.403822][ T1167] kthread+0x28a/0x350 [ 3065.403822][ T1167] ret_from_fork+0x31/0x70 [ 3065.403822][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3065.403822][ T1167] [ 3065.406183][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3065.406183][ T1167] netdev_get_by_index+0x5e/0x80 [ 3065.406183][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3065.406183][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3065.406183][ T1167] ip6_route_add+0x1c/0x140 [ 3065.406183][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3065.406183][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3065.406183][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3065.406183][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3065.406183][ T1167] netlink_rcv_skb+0x130/0x360 [ 3065.406183][ T1167] netlink_unicast+0x449/0x710 [ 3065.406183][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3065.406183][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3065.406183][ T1167] ___sys_sendmsg+0xee/0x170 [ 3065.406183][ T1167] __sys_sendmsg+0xcd/0x170 [ 3065.406183][ T1167] do_syscall_64+0xc6/0x1e0 [ 3065.406183][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3065.406183][ T1167] [ 3065.408448][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3065.408448][ T1167] netdev_get_by_index+0x5e/0x80 [ 3065.408448][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3065.408448][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3065.408448][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3065.408448][ T1167] ipv6_add_addr+0x411/0x2000 [ 3065.408448][ T1167] inet6_addr_add+0x30e/0xa40 [ 3065.408448][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3065.408448][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3065.408448][ T1167] netlink_rcv_skb+0x130/0x360 [ 3065.408448][ T1167] netlink_unicast+0x449/0x710 [ 3065.408448][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3065.408448][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3065.408448][ T1167] ___sys_sendmsg+0xee/0x170 [ 3065.408448][ T1167] __sys_sendmsg+0xcd/0x170 [ 3065.408448][ T1167] do_syscall_64+0xc6/0x1e0 [ 3065.408448][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3065.408448][ T1167] [ 3065.410704][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3065.410704][ T1167] netdev_get_by_index+0x5e/0x80 [ 3065.410704][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3065.410704][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3065.410704][ T1167] ip6_route_add+0x1c/0x140 [ 3065.410704][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3065.410704][ T1167] addrconf_add_dev+0xe2/0x170 [ 3065.410704][ T1167] inet6_addr_add+0x12f/0xa40 [ 3065.410704][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3065.410704][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3065.410704][ T1167] netlink_rcv_skb+0x130/0x360 [ 3065.410704][ T1167] netlink_unicast+0x449/0x710 [ 3065.410704][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3065.410704][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3065.410704][ T1167] ___sys_sendmsg+0xee/0x170 [ 3065.410704][ T1167] __sys_sendmsg+0xcd/0x170 [ 3065.410704][ T1167] do_syscall_64+0xc6/0x1e0 [ 3065.410704][ T1167] [ 3065.412957][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3065.412957][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3065.412957][ T1167] ipv6_find_idev+0x102/0x170 [ 3065.412957][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3065.412957][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3065.412957][ T1167] netlink_rcv_skb+0x130/0x360 [ 3065.412957][ T1167] netlink_unicast+0x449/0x710 [ 3065.412957][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3065.412957][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3065.412957][ T1167] ___sys_sendmsg+0xee/0x170 [ 3065.412957][ T1167] __sys_sendmsg+0xcd/0x170 [ 3065.412957][ T1167] do_syscall_64+0xc6/0x1e0 [ 3065.412957][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3065.412957][ T1167] [ 3065.414869][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3065.414869][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3065.414869][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3065.414869][ T1167] ipv6_find_idev+0x102/0x170 [ 3065.414869][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3065.414869][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3065.414869][ T1167] netlink_rcv_skb+0x130/0x360 [ 3065.414869][ T1167] netlink_unicast+0x449/0x710 [ 3065.414869][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3065.414869][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3065.414869][ T1167] ___sys_sendmsg+0xee/0x170 [ 3065.414869][ T1167] __sys_sendmsg+0xcd/0x170 [ 3065.414869][ T1167] do_syscall_64+0xc6/0x1e0 [ 3065.414869][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3065.414869][ T1167] [ 3074.153140][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3074.153538][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3074.153538][ T10] netdev_get_by_index+0x5e/0x80 [ 3074.153538][ T10] fib6_nh_init+0x3d8/0x1580 [ 3074.153538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3074.153538][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3074.153538][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3074.153538][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3074.153538][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3074.153538][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3074.153538][ T10] addrconf_dad_begin+0x310/0x670 [ 3074.153538][ T10] addrconf_dad_work+0x10b/0xab0 [ 3074.153538][ T10] process_one_work+0x84d/0x18a0 [ 3074.153538][ T10] worker_thread+0x587/0xd30 [ 3074.153538][ T10] kthread+0x28a/0x350 [ 3074.153538][ T10] ret_from_fork+0x31/0x70 [ 3074.153538][ T10] ret_from_fork_asm+0x1a/0x30 [ 3074.153538][ T10] [ 3074.155454][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3074.155454][ T10] netdev_get_by_index+0x5e/0x80 [ 3074.155454][ T10] fib6_nh_init+0x3d8/0x1580 [ 3074.155454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3074.155454][ T10] ip6_route_add+0x1c/0x140 [ 3074.155454][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3074.155454][ T10] inet6_addr_add+0x4f8/0xa40 [ 3074.155454][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3074.155454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3074.155454][ T10] netlink_rcv_skb+0x130/0x360 [ 3074.155454][ T10] netlink_unicast+0x449/0x710 [ 3074.155454][ T10] netlink_sendmsg+0x723/0xbe0 [ 3074.155454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3074.155454][ T10] ___sys_sendmsg+0xee/0x170 [ 3074.155454][ T10] __sys_sendmsg+0xcd/0x170 [ 3074.155454][ T10] do_syscall_64+0xc6/0x1e0 [ 3074.155454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3074.155454][ T10] [ 3074.157436][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3074.157436][ T10] netdev_get_by_index+0x5e/0x80 [ 3074.157436][ T10] fib6_nh_init+0x3d8/0x1580 [ 3074.157436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3074.157436][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3074.157436][ T10] ipv6_add_addr+0x411/0x2000 [ 3074.157436][ T10] inet6_addr_add+0x30e/0xa40 [ 3074.157436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3074.157436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3074.157436][ T10] netlink_rcv_skb+0x130/0x360 [ 3074.157436][ T10] netlink_unicast+0x449/0x710 [ 3074.157436][ T10] netlink_sendmsg+0x723/0xbe0 [ 3074.157436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3074.157436][ T10] ___sys_sendmsg+0xee/0x170 [ 3074.157436][ T10] __sys_sendmsg+0xcd/0x170 [ 3074.157436][ T10] do_syscall_64+0xc6/0x1e0 [ 3074.157436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3074.157436][ T10] [ 3074.159422][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3074.159422][ T10] netdev_get_by_index+0x5e/0x80 [ 3074.159422][ T10] fib6_nh_init+0x3d8/0x1580 [ 3074.159422][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3074.159422][ T10] ip6_route_add+0x1c/0x140 [ 3074.159422][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3074.159422][ T10] addrconf_add_dev+0xe2/0x170 [ 3074.159422][ T10] inet6_addr_add+0x12f/0xa40 [ 3074.159422][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3074.159422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3074.159422][ T10] netlink_rcv_skb+0x130/0x360 [ 3074.159422][ T10] netlink_unicast+0x449/0x710 [ 3074.159422][ T10] netlink_sendmsg+0x723/0xbe0 [ 3074.159422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3074.159422][ T10] ___sys_sendmsg+0xee/0x170 [ 3074.159422][ T10] __sys_sendmsg+0xcd/0x170 [ 3074.159422][ T10] do_syscall_64+0xc6/0x1e0 [ 3074.159422][ T10] [ 3074.161373][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3074.161373][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3074.161373][ T10] ipv6_find_idev+0x102/0x170 [ 3074.161373][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3074.161373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3074.161373][ T10] netlink_rcv_skb+0x130/0x360 [ 3074.161373][ T10] netlink_unicast+0x449/0x710 [ 3074.161373][ T10] netlink_sendmsg+0x723/0xbe0 [ 3074.161373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3074.161373][ T10] ___sys_sendmsg+0xee/0x170 [ 3074.161373][ T10] __sys_sendmsg+0xcd/0x170 [ 3074.161373][ T10] do_syscall_64+0xc6/0x1e0 [ 3074.161373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3074.161373][ T10] [ 3074.162904][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3074.162904][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3074.162904][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3074.162904][ T10] ipv6_find_idev+0x102/0x170 [ 3074.162904][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3074.162904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3074.162904][ T10] netlink_rcv_skb+0x130/0x360 [ 3074.162904][ T10] netlink_unicast+0x449/0x710 [ 3074.162904][ T10] netlink_sendmsg+0x723/0xbe0 [ 3074.162904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3074.162904][ T10] ___sys_sendmsg+0xee/0x170 [ 3074.162904][ T10] __sys_sendmsg+0xcd/0x170 [ 3074.162904][ T10] do_syscall_64+0xc6/0x1e0 [ 3074.162904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3074.162904][ T10] [ 3074.164628][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3074.164867][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3074.164867][ T10] netdev_get_by_index+0x5e/0x80 [ 3074.164867][ T10] fib6_nh_init+0x3d8/0x1580 [ 3074.164867][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3074.164867][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3074.164867][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3074.164867][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3074.164867][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3074.164867][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3074.164867][ T10] addrconf_dad_begin+0x310/0x670 [ 3074.164867][ T10] addrconf_dad_work+0x10b/0xab0 [ 3074.164867][ T10] process_one_work+0x84d/0x18a0 [ 3074.164867][ T10] worker_thread+0x587/0xd30 [ 3074.164867][ T10] kthread+0x28a/0x350 [ 3074.164867][ T10] ret_from_fork+0x31/0x70 [ 3074.164867][ T10] ret_from_fork_asm+0x1a/0x30 [ 3074.164867][ T10] [ 3074.166756][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3074.166756][ T10] netdev_get_by_index+0x5e/0x80 [ 3074.166756][ T10] fib6_nh_init+0x3d8/0x1580 [ 3074.166756][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3074.166756][ T10] ip6_route_add+0x1c/0x140 [ 3074.166756][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3074.166756][ T10] inet6_addr_add+0x4f8/0xa40 [ 3074.166756][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3074.166756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3074.166756][ T10] netlink_rcv_skb+0x130/0x360 [ 3074.166756][ T10] netlink_unicast+0x449/0x710 [ 3074.166756][ T10] netlink_sendmsg+0x723/0xbe0 [ 3074.166756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3074.166756][ T10] ___sys_sendmsg+0xee/0x170 [ 3074.166756][ T10] __sys_sendmsg+0xcd/0x170 [ 3074.166756][ T10] do_syscall_64+0xc6/0x1e0 [ 3074.166756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3074.166756][ T10] [ 3074.168720][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3074.168720][ T10] netdev_get_by_index+0x5e/0x80 [ 3074.168720][ T10] fib6_nh_init+0x3d8/0x1580 [ 3074.168720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3074.168720][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3074.168720][ T10] ipv6_add_addr+0x411/0x2000 [ 3074.168720][ T10] inet6_addr_add+0x30e/0xa40 [ 3074.168720][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3074.168720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3074.168720][ T10] netlink_rcv_skb+0x130/0x360 [ 3074.168720][ T10] netlink_unicast+0x449/0x710 [ 3074.168720][ T10] netlink_sendmsg+0x723/0xbe0 [ 3074.168720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3074.168720][ T10] ___sys_sendmsg+0xee/0x170 [ 3074.168720][ T10] __sys_sendmsg+0xcd/0x170 [ 3074.168720][ T10] do_syscall_64+0xc6/0x1e0 [ 3074.168720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3074.168720][ T10] [ 3074.170710][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3074.170710][ T10] netdev_get_by_index+0x5e/0x80 [ 3074.170710][ T10] fib6_nh_init+0x3d8/0x1580 [ 3074.170710][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3074.170710][ T10] ip6_route_add+0x1c/0x140 [ 3074.170710][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3074.170710][ T10] addrconf_add_dev+0xe2/0x170 [ 3074.170710][ T10] inet6_addr_add+0x12f/0xa40 [ 3074.170710][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3074.170710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3074.170710][ T10] netlink_rcv_skb+0x130/0x360 [ 3074.170710][ T10] netlink_unicast+0x449/0x710 [ 3074.170710][ T10] netlink_sendmsg+0x723/0xbe0 [ 3074.170710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3074.170710][ T10] ___sys_sendmsg+0xee/0x170 [ 3074.170710][ T10] __sys_sendmsg+0xcd/0x170 [ 3074.170710][ T10] do_syscall_64+0xc6/0x1e0 [ 3074.170710][ T10] [ 3074.172657][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3074.172657][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3074.172657][ T10] ipv6_find_idev+0x102/0x170 [ 3074.172657][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3074.172657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3074.172657][ T10] netlink_rcv_skb+0x130/0x360 [ 3074.172657][ T10] netlink_unicast+0x449/0x710 [ 3074.172657][ T10] netlink_sendmsg+0x723/0xbe0 [ 3074.172657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3074.172657][ T10] ___sys_sendmsg+0xee/0x170 [ 3074.172657][ T10] __sys_sendmsg+0xcd/0x170 [ 3074.172657][ T10] do_syscall_64+0xc6/0x1e0 [ 3074.172657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3074.172657][ T10] [ 3074.174182][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3074.174182][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3074.174182][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3074.174182][ T10] ipv6_find_idev+0x102/0x170 [ 3074.174182][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3074.174182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3074.174182][ T10] netlink_rcv_skb+0x130/0x360 [ 3074.174182][ T10] netlink_unicast+0x449/0x710 [ 3074.174182][ T10] netlink_sendmsg+0x723/0xbe0 [ 3074.174182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3074.174182][ T10] ___sys_sendmsg+0xee/0x170 [ 3074.174182][ T10] __sys_sendmsg+0xcd/0x170 [ 3074.174182][ T10] do_syscall_64+0xc6/0x1e0 [ 3074.174182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3074.174182][ T10] [ 3074.175846][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3074.176098][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3074.176098][ T10] netdev_get_by_index+0x5e/0x80 [ 3074.176098][ T10] fib6_nh_init+0x3d8/0x1580 [ 3074.176098][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3074.176098][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3074.176098][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3074.176098][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3074.176098][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3074.176098][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3074.176098][ T10] addrconf_dad_begin+0x310/0x670 [ 3074.176098][ T10] addrconf_dad_work+0x10b/0xab0 [ 3074.176098][ T10] process_one_work+0x84d/0x18a0 [ 3074.176098][ T10] worker_thread+0x587/0xd30 [ 3074.176098][ T10] kthread+0x28a/0x350 [ 3074.176098][ T10] ret_from_fork+0x31/0x70 [ 3074.176098][ T10] ret_from_fork_asm+0x1a/0x30 [ 3074.176098][ T10] [ 3074.177991][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3074.177991][ T10] netdev_get_by_index+0x5e/0x80 [ 3074.177991][ T10] fib6_nh_init+0x3d8/0x1580 [ 3074.177991][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3074.177991][ T10] ip6_route_add+0x1c/0x140 [ 3074.177991][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3074.177991][ T10] inet6_addr_add+0x4f8/0xa40 [ 3074.177991][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3074.177991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3074.177991][ T10] netlink_rcv_skb+0x130/0x360 [ 3074.177991][ T10] netlink_unicast+0x449/0x710 [ 3074.177991][ T10] netlink_sendmsg+0x723/0xbe0 [ 3074.177991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3074.177991][ T10] ___sys_sendmsg+0xee/0x170 [ 3074.177991][ T10] __sys_sendmsg+0xcd/0x170 [ 3074.177991][ T10] do_syscall_64+0xc6/0x1e0 [ 3074.177991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3074.177991][ T10] [ 3074.180213][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3074.180213][ T10] netdev_get_by_index+0x5e/0x80 [ 3074.180213][ T10] fib6_nh_init+0x3d8/0x1580 [ 3074.180213][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3074.180213][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3074.180213][ T10] ipv6_add_addr+0x411/0x2000 [ 3074.180213][ T10] inet6_addr_add+0x30e/0xa40 [ 3074.180213][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3074.180213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3074.180213][ T10] netlink_rcv_skb+0x130/0x360 [ 3074.180213][ T10] netlink_unicast+0x449/0x710 [ 3074.180213][ T10] netlink_sendmsg+0x723/0xbe0 [ 3074.180213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3074.180213][ T10] ___sys_sendmsg+0xee/0x170 [ 3074.180213][ T10] __sys_sendmsg+0xcd/0x170 [ 3074.180213][ T10] do_syscall_64+0xc6/0x1e0 [ 3074.180213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3074.180213][ T10] [ 3074.182439][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3074.182439][ T10] netdev_get_by_index+0x5e/0x80 [ 3074.182439][ T10] fib6_nh_init+0x3d8/0x1580 [ 3074.182439][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3074.182439][ T10] ip6_route_add+0x1c/0x140 [ 3074.182439][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3074.182439][ T10] addrconf_add_dev+0xe2/0x170 [ 3074.182439][ T10] inet6_addr_add+0x12f/0xa40 [ 3074.182439][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3074.182439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3074.182439][ T10] netlink_rcv_skb+0x130/0x360 [ 3074.182439][ T10] netlink_unicast+0x449/0x710 [ 3074.182439][ T10] netlink_sendmsg+0x723/0xbe0 [ 3074.182439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3074.182439][ T10] ___sys_sendmsg+0xee/0x170 [ 3074.182439][ T10] __sys_sendmsg+0xcd/0x170 [ 3074.182439][ T10] do_syscall_64+0xc6/0x1e0 [ 3074.182439][ T10] [ 3074.184703][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3074.184703][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3074.184703][ T10] ipv6_find_idev+0x102/0x170 [ 3074.184703][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3074.184703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3074.184703][ T10] netlink_rcv_skb+0x130/0x360 [ 3074.184703][ T10] netlink_unicast+0x449/0x710 [ 3074.184703][ T10] netlink_sendmsg+0x723/0xbe0 [ 3074.184703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3074.184703][ T10] ___sys_sendmsg+0xee/0x170 [ 3074.184703][ T10] __sys_sendmsg+0xcd/0x170 [ 3074.184703][ T10] do_syscall_64+0xc6/0x1e0 [ 3074.184703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3074.184703][ T10] [ 3074.186925][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3074.186925][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3074.186925][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3074.186925][ T10] ipv6_find_idev+0x102/0x170 [ 3074.186925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3074.186925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3074.186925][ T10] netlink_rcv_skb+0x130/0x360 [ 3074.186925][ T10] netlink_unicast+0x449/0x710 [ 3074.186925][ T10] netlink_sendmsg+0x723/0xbe0 [ 3074.186925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3074.186925][ T10] ___sys_sendmsg+0xee/0x170 [ 3074.186925][ T10] __sys_sendmsg+0xcd/0x170 [ 3074.186925][ T10] do_syscall_64+0xc6/0x1e0 [ 3074.186925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3074.186925][ T10] [ 3074.188724][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3074.188971][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3074.188971][ T10] netdev_get_by_index+0x5e/0x80 [ 3074.188971][ T10] fib6_nh_init+0x3d8/0x1580 [ 3074.188971][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3074.188971][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3074.188971][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3074.188971][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3074.188971][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3074.188971][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3074.188971][ T10] addrconf_dad_begin+0x310/0x670 [ 3074.188971][ T10] addrconf_dad_work+0x10b/0xab0 [ 3074.188971][ T10] process_one_work+0x84d/0x18a0 [ 3074.188971][ T10] worker_thread+0x587/0xd30 [ 3074.188971][ T10] kthread+0x28a/0x350 [ 3074.188971][ T10] ret_from_fork+0x31/0x70 [ 3074.188971][ T10] ret_from_fork_asm+0x1a/0x30 [ 3074.188971][ T10] [ 3074.191128][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3074.191128][ T10] netdev_get_by_index+0x5e/0x80 [ 3074.191128][ T10] fib6_nh_init+0x3d8/0x1580 [ 3074.191128][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3074.191128][ T10] ip6_route_add+0x1c/0x140 [ 3074.191128][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3074.191128][ T10] inet6_addr_add+0x4f8/0xa40 [ 3074.191128][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3074.191128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3074.191128][ T10] netlink_rcv_skb+0x130/0x360 [ 3074.191128][ T10] netlink_unicast+0x449/0x710 [ 3074.191128][ T10] netlink_sendmsg+0x723/0xbe0 [ 3074.191128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3074.191128][ T10] ___sys_sendmsg+0xee/0x170 [ 3074.191128][ T10] __sys_sendmsg+0xcd/0x170 [ 3074.191128][ T10] do_syscall_64+0xc6/0x1e0 [ 3074.191128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3074.191128][ T10] [ 3074.193415][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3074.193415][ T10] netdev_get_by_index+0x5e/0x80 [ 3074.193415][ T10] fib6_nh_init+0x3d8/0x1580 [ 3074.193415][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3074.193415][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3074.193415][ T10] ipv6_add_addr+0x411/0x2000 [ 3074.193415][ T10] inet6_addr_add+0x30e/0xa40 [ 3074.193415][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3074.193415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3074.193415][ T10] netlink_rcv_skb+0x130/0x360 [ 3074.193415][ T10] netlink_unicast+0x449/0x710 [ 3074.193415][ T10] netlink_sendmsg+0x723/0xbe0 [ 3074.193415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3074.193415][ T10] ___sys_sendmsg+0xee/0x170 [ 3074.193415][ T10] __sys_sendmsg+0xcd/0x170 [ 3074.193415][ T10] do_syscall_64+0xc6/0x1e0 [ 3074.193415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3074.193415][ T10] [ 3074.195583][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3074.195583][ T10] netdev_get_by_index+0x5e/0x80 [ 3074.195583][ T10] fib6_nh_init+0x3d8/0x1580 [ 3074.195583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3074.195583][ T10] ip6_route_add+0x1c/0x140 [ 3074.195583][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3074.195583][ T10] addrconf_add_dev+0xe2/0x170 [ 3074.195583][ T10] inet6_addr_add+0x12f/0xa40 [ 3074.195583][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3074.195583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3074.195583][ T10] netlink_rcv_skb+0x130/0x360 [ 3074.195583][ T10] netlink_unicast+0x449/0x710 [ 3074.195583][ T10] netlink_sendmsg+0x723/0xbe0 [ 3074.195583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3074.195583][ T10] ___sys_sendmsg+0xee/0x170 [ 3074.195583][ T10] __sys_sendmsg+0xcd/0x170 [ 3074.195583][ T10] do_syscall_64+0xc6/0x1e0 [ 3074.195583][ T10] [ 3074.197764][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3074.197764][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3074.197764][ T10] ipv6_find_idev+0x102/0x170 [ 3074.197764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3074.197764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3074.197764][ T10] netlink_rcv_skb+0x130/0x360 [ 3074.197764][ T10] netlink_unicast+0x449/0x710 [ 3074.197764][ T10] netlink_sendmsg+0x723/0xbe0 [ 3074.197764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3074.197764][ T10] ___sys_sendmsg+0xee/0x170 [ 3074.197764][ T10] __sys_sendmsg+0xcd/0x170 [ 3074.197764][ T10] do_syscall_64+0xc6/0x1e0 [ 3074.197764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3074.197764][ T10] [ 3074.199853][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3074.199853][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3074.199853][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3074.199853][ T10] ipv6_find_idev+0x102/0x170 [ 3074.199853][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3074.199853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3074.199853][ T10] netlink_rcv_skb+0x130/0x360 [ 3074.199853][ T10] netlink_unicast+0x449/0x710 [ 3074.199853][ T10] netlink_sendmsg+0x723/0xbe0 [ 3074.199853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3074.199853][ T10] ___sys_sendmsg+0xee/0x170 [ 3074.199853][ T10] __sys_sendmsg+0xcd/0x170 [ 3074.199853][ T10] do_syscall_64+0xc6/0x1e0 [ 3074.199853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3074.199853][ T10] [ 3075.665129][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3075.665600][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3075.665600][ T1167] dst_init+0x84/0x4a0 [ 3075.665600][ T1167] dst_alloc+0x97/0x150 [ 3075.665600][ T1167] ip6_dst_alloc+0x23/0x90 [ 3075.665600][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3075.665600][ T1167] ip6_pol_route+0x56f/0x840 [ 3075.665600][ T1167] fib6_rule_lookup+0x334/0x630 [ 3075.665600][ T1167] ip6_route_output_flags+0x259/0x480 [ 3075.665600][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3075.665600][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3075.665600][ T1167] netlink_rcv_skb+0x130/0x360 [ 3075.665600][ T1167] netlink_unicast+0x449/0x710 [ 3075.665600][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3075.665600][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3075.665600][ T1167] ___sys_sendmsg+0xee/0x170 [ 3075.665600][ T1167] __sys_sendmsg+0xcd/0x170 [ 3075.665600][ T1167] do_syscall_64+0xc6/0x1e0 [ 3075.665600][ T1167] [ 3075.667810][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3075.667810][ T1167] netdev_get_by_index+0x5e/0x80 [ 3075.667810][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3075.667810][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3075.667810][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3075.667810][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3075.667810][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3075.667810][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3075.667810][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3075.667810][ T1167] addrconf_dad_begin+0x310/0x670 [ 3075.667810][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3075.667810][ T1167] process_one_work+0x84d/0x18a0 [ 3075.667810][ T1167] worker_thread+0x587/0xd30 [ 3075.667810][ T1167] kthread+0x28a/0x350 [ 3075.667810][ T1167] ret_from_fork+0x31/0x70 [ 3075.667810][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3075.667810][ T1167] [ 3075.669980][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3075.669980][ T1167] netdev_get_by_index+0x5e/0x80 [ 3075.669980][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3075.669980][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3075.669980][ T1167] ip6_route_add+0x1c/0x140 [ 3075.669980][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3075.669980][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3075.669980][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3075.669980][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3075.669980][ T1167] netlink_rcv_skb+0x130/0x360 [ 3075.669980][ T1167] netlink_unicast+0x449/0x710 [ 3075.669980][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3075.669980][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3075.669980][ T1167] ___sys_sendmsg+0xee/0x170 [ 3075.669980][ T1167] __sys_sendmsg+0xcd/0x170 [ 3075.669980][ T1167] do_syscall_64+0xc6/0x1e0 [ 3075.669980][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3075.669980][ T1167] [ 3075.672242][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3075.672242][ T1167] netdev_get_by_index+0x5e/0x80 [ 3075.672242][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3075.672242][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3075.672242][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3075.672242][ T1167] ipv6_add_addr+0x411/0x2000 [ 3075.672242][ T1167] inet6_addr_add+0x30e/0xa40 [ 3075.672242][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3075.672242][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3075.672242][ T1167] netlink_rcv_skb+0x130/0x360 [ 3075.672242][ T1167] netlink_unicast+0x449/0x710 [ 3075.672242][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3075.672242][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3075.672242][ T1167] ___sys_sendmsg+0xee/0x170 [ 3075.672242][ T1167] __sys_sendmsg+0xcd/0x170 [ 3075.672242][ T1167] do_syscall_64+0xc6/0x1e0 [ 3075.672242][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3075.672242][ T1167] [ 3075.674537][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3075.674537][ T1167] netdev_get_by_index+0x5e/0x80 [ 3075.674537][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3075.674537][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3075.674537][ T1167] ip6_route_add+0x1c/0x140 [ 3075.674537][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3075.674537][ T1167] addrconf_add_dev+0xe2/0x170 [ 3075.674537][ T1167] inet6_addr_add+0x12f/0xa40 [ 3075.674537][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3075.674537][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3075.674537][ T1167] netlink_rcv_skb+0x130/0x360 [ 3075.674537][ T1167] netlink_unicast+0x449/0x710 [ 3075.674537][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3075.674537][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3075.674537][ T1167] ___sys_sendmsg+0xee/0x170 [ 3075.674537][ T1167] __sys_sendmsg+0xcd/0x170 [ 3075.674537][ T1167] do_syscall_64+0xc6/0x1e0 [ 3075.674537][ T1167] [ 3075.676748][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3075.676748][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3075.676748][ T1167] ipv6_find_idev+0x102/0x170 [ 3075.676748][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3075.676748][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3075.676748][ T1167] netlink_rcv_skb+0x130/0x360 [ 3075.676748][ T1167] netlink_unicast+0x449/0x710 [ 3075.676748][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3075.676748][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3075.676748][ T1167] ___sys_sendmsg+0xee/0x170 [ 3075.676748][ T1167] __sys_sendmsg+0xcd/0x170 [ 3075.676748][ T1167] do_syscall_64+0xc6/0x1e0 [ 3075.676748][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3075.676748][ T1167] [ 3075.678520][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3075.678520][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3075.678520][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3075.678520][ T1167] ipv6_find_idev+0x102/0x170 [ 3075.678520][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3075.678520][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3075.678520][ T1167] netlink_rcv_skb+0x130/0x360 [ 3075.678520][ T1167] netlink_unicast+0x449/0x710 [ 3075.678520][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3075.678520][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3075.678520][ T1167] ___sys_sendmsg+0xee/0x170 [ 3075.678520][ T1167] __sys_sendmsg+0xcd/0x170 [ 3075.678520][ T1167] do_syscall_64+0xc6/0x1e0 [ 3075.678520][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3075.678520][ T1167] [ 3084.441130][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3084.441487][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3084.441487][ T10] netdev_get_by_index+0x5e/0x80 [ 3084.441487][ T10] fib6_nh_init+0x3d8/0x1580 [ 3084.441487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3084.441487][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3084.441487][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3084.441487][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3084.441487][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3084.441487][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3084.441487][ T10] addrconf_dad_begin+0x310/0x670 [ 3084.441487][ T10] addrconf_dad_work+0x10b/0xab0 [ 3084.441487][ T10] process_one_work+0x84d/0x18a0 [ 3084.441487][ T10] worker_thread+0x587/0xd30 [ 3084.441487][ T10] kthread+0x28a/0x350 [ 3084.441487][ T10] ret_from_fork+0x31/0x70 [ 3084.441487][ T10] ret_from_fork_asm+0x1a/0x30 [ 3084.441487][ T10] [ 3084.443407][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3084.443407][ T10] netdev_get_by_index+0x5e/0x80 [ 3084.443407][ T10] fib6_nh_init+0x3d8/0x1580 [ 3084.443407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3084.443407][ T10] ip6_route_add+0x1c/0x140 [ 3084.443407][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3084.443407][ T10] inet6_addr_add+0x4f8/0xa40 [ 3084.443407][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3084.443407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3084.443407][ T10] netlink_rcv_skb+0x130/0x360 [ 3084.443407][ T10] netlink_unicast+0x449/0x710 [ 3084.443407][ T10] netlink_sendmsg+0x723/0xbe0 [ 3084.443407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3084.443407][ T10] ___sys_sendmsg+0xee/0x170 [ 3084.443407][ T10] __sys_sendmsg+0xcd/0x170 [ 3084.443407][ T10] do_syscall_64+0xc6/0x1e0 [ 3084.443407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3084.443407][ T10] [ 3084.445405][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3084.445405][ T10] netdev_get_by_index+0x5e/0x80 [ 3084.445405][ T10] fib6_nh_init+0x3d8/0x1580 [ 3084.445405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3084.445405][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3084.445405][ T10] ipv6_add_addr+0x411/0x2000 [ 3084.445405][ T10] inet6_addr_add+0x30e/0xa40 [ 3084.445405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3084.445405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3084.445405][ T10] netlink_rcv_skb+0x130/0x360 [ 3084.445405][ T10] netlink_unicast+0x449/0x710 [ 3084.445405][ T10] netlink_sendmsg+0x723/0xbe0 [ 3084.445405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3084.445405][ T10] ___sys_sendmsg+0xee/0x170 [ 3084.445405][ T10] __sys_sendmsg+0xcd/0x170 [ 3084.445405][ T10] do_syscall_64+0xc6/0x1e0 [ 3084.445405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3084.445405][ T10] [ 3084.447386][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3084.447386][ T10] netdev_get_by_index+0x5e/0x80 [ 3084.447386][ T10] fib6_nh_init+0x3d8/0x1580 [ 3084.447386][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3084.447386][ T10] ip6_route_add+0x1c/0x140 [ 3084.447386][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3084.447386][ T10] addrconf_add_dev+0xe2/0x170 [ 3084.447386][ T10] inet6_addr_add+0x12f/0xa40 [ 3084.447386][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3084.447386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3084.447386][ T10] netlink_rcv_skb+0x130/0x360 [ 3084.447386][ T10] netlink_unicast+0x449/0x710 [ 3084.447386][ T10] netlink_sendmsg+0x723/0xbe0 [ 3084.447386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3084.447386][ T10] ___sys_sendmsg+0xee/0x170 [ 3084.447386][ T10] __sys_sendmsg+0xcd/0x170 [ 3084.447386][ T10] do_syscall_64+0xc6/0x1e0 [ 3084.447386][ T10] [ 3084.449335][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3084.449335][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3084.449335][ T10] ipv6_find_idev+0x102/0x170 [ 3084.449335][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3084.449335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3084.449335][ T10] netlink_rcv_skb+0x130/0x360 [ 3084.449335][ T10] netlink_unicast+0x449/0x710 [ 3084.449335][ T10] netlink_sendmsg+0x723/0xbe0 [ 3084.449335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3084.449335][ T10] ___sys_sendmsg+0xee/0x170 [ 3084.449335][ T10] __sys_sendmsg+0xcd/0x170 [ 3084.449335][ T10] do_syscall_64+0xc6/0x1e0 [ 3084.449335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3084.449335][ T10] [ 3084.450861][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3084.450861][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3084.450861][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3084.450861][ T10] ipv6_find_idev+0x102/0x170 [ 3084.450861][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3084.450861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3084.450861][ T10] netlink_rcv_skb+0x130/0x360 [ 3084.450861][ T10] netlink_unicast+0x449/0x710 [ 3084.450861][ T10] netlink_sendmsg+0x723/0xbe0 [ 3084.450861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3084.450861][ T10] ___sys_sendmsg+0xee/0x170 [ 3084.450861][ T10] __sys_sendmsg+0xcd/0x170 [ 3084.450861][ T10] do_syscall_64+0xc6/0x1e0 [ 3084.450861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3084.450861][ T10] [ 3084.452526][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3084.452772][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3084.452772][ T10] netdev_get_by_index+0x5e/0x80 [ 3084.452772][ T10] fib6_nh_init+0x3d8/0x1580 [ 3084.452772][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3084.452772][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3084.452772][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3084.452772][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3084.452772][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3084.452772][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3084.452772][ T10] addrconf_dad_begin+0x310/0x670 [ 3084.452772][ T10] addrconf_dad_work+0x10b/0xab0 [ 3084.452772][ T10] process_one_work+0x84d/0x18a0 [ 3084.452772][ T10] worker_thread+0x587/0xd30 [ 3084.452772][ T10] kthread+0x28a/0x350 [ 3084.452772][ T10] ret_from_fork+0x31/0x70 [ 3084.452772][ T10] ret_from_fork_asm+0x1a/0x30 [ 3084.452772][ T10] [ 3084.454716][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3084.454716][ T10] netdev_get_by_index+0x5e/0x80 [ 3084.454716][ T10] fib6_nh_init+0x3d8/0x1580 [ 3084.454716][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3084.454716][ T10] ip6_route_add+0x1c/0x140 [ 3084.454716][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3084.454716][ T10] inet6_addr_add+0x4f8/0xa40 [ 3084.454716][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3084.454716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3084.454716][ T10] netlink_rcv_skb+0x130/0x360 [ 3084.454716][ T10] netlink_unicast+0x449/0x710 [ 3084.454716][ T10] netlink_sendmsg+0x723/0xbe0 [ 3084.454716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3084.454716][ T10] ___sys_sendmsg+0xee/0x170 [ 3084.454716][ T10] __sys_sendmsg+0xcd/0x170 [ 3084.454716][ T10] do_syscall_64+0xc6/0x1e0 [ 3084.454716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3084.454716][ T10] [ 3084.456702][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3084.456702][ T10] netdev_get_by_index+0x5e/0x80 [ 3084.456702][ T10] fib6_nh_init+0x3d8/0x1580 [ 3084.456702][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3084.456702][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3084.456702][ T10] ipv6_add_addr+0x411/0x2000 [ 3084.456702][ T10] inet6_addr_add+0x30e/0xa40 [ 3084.456702][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3084.456702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3084.456702][ T10] netlink_rcv_skb+0x130/0x360 [ 3084.456702][ T10] netlink_unicast+0x449/0x710 [ 3084.456702][ T10] netlink_sendmsg+0x723/0xbe0 [ 3084.456702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3084.456702][ T10] ___sys_sendmsg+0xee/0x170 [ 3084.456702][ T10] __sys_sendmsg+0xcd/0x170 [ 3084.456702][ T10] do_syscall_64+0xc6/0x1e0 [ 3084.456702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3084.456702][ T10] [ 3084.458677][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3084.458677][ T10] netdev_get_by_index+0x5e/0x80 [ 3084.458677][ T10] fib6_nh_init+0x3d8/0x1580 [ 3084.458677][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3084.458677][ T10] ip6_route_add+0x1c/0x140 [ 3084.458677][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3084.458677][ T10] addrconf_add_dev+0xe2/0x170 [ 3084.458677][ T10] inet6_addr_add+0x12f/0xa40 [ 3084.458677][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3084.458677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3084.458677][ T10] netlink_rcv_skb+0x130/0x360 [ 3084.458677][ T10] netlink_unicast+0x449/0x710 [ 3084.458677][ T10] netlink_sendmsg+0x723/0xbe0 [ 3084.458677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3084.458677][ T10] ___sys_sendmsg+0xee/0x170 [ 3084.458677][ T10] __sys_sendmsg+0xcd/0x170 [ 3084.458677][ T10] do_syscall_64+0xc6/0x1e0 [ 3084.458677][ T10] [ 3084.460646][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3084.460646][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3084.460646][ T10] ipv6_find_idev+0x102/0x170 [ 3084.460646][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3084.460646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3084.460646][ T10] netlink_rcv_skb+0x130/0x360 [ 3084.460646][ T10] netlink_unicast+0x449/0x710 [ 3084.460646][ T10] netlink_sendmsg+0x723/0xbe0 [ 3084.460646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3084.460646][ T10] ___sys_sendmsg+0xee/0x170 [ 3084.460646][ T10] __sys_sendmsg+0xcd/0x170 [ 3084.460646][ T10] do_syscall_64+0xc6/0x1e0 [ 3084.460646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3084.460646][ T10] [ 3084.462180][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3084.462180][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3084.462180][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3084.462180][ T10] ipv6_find_idev+0x102/0x170 [ 3084.462180][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3084.462180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3084.462180][ T10] netlink_rcv_skb+0x130/0x360 [ 3084.462180][ T10] netlink_unicast+0x449/0x710 [ 3084.462180][ T10] netlink_sendmsg+0x723/0xbe0 [ 3084.462180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3084.462180][ T10] ___sys_sendmsg+0xee/0x170 [ 3084.462180][ T10] __sys_sendmsg+0xcd/0x170 [ 3084.462180][ T10] do_syscall_64+0xc6/0x1e0 [ 3084.462180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3084.462180][ T10] [ 3084.463858][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3084.464105][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3084.464105][ T10] netdev_get_by_index+0x5e/0x80 [ 3084.464105][ T10] fib6_nh_init+0x3d8/0x1580 [ 3084.464105][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3084.464105][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3084.464105][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3084.464105][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3084.464105][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3084.464105][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3084.464105][ T10] addrconf_dad_begin+0x310/0x670 [ 3084.464105][ T10] addrconf_dad_work+0x10b/0xab0 [ 3084.464105][ T10] process_one_work+0x84d/0x18a0 [ 3084.464105][ T10] worker_thread+0x587/0xd30 [ 3084.464105][ T10] kthread+0x28a/0x350 [ 3084.464105][ T10] ret_from_fork+0x31/0x70 [ 3084.464105][ T10] ret_from_fork_asm+0x1a/0x30 [ 3084.464105][ T10] [ 3084.466000][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3084.466000][ T10] netdev_get_by_index+0x5e/0x80 [ 3084.466000][ T10] fib6_nh_init+0x3d8/0x1580 [ 3084.466000][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3084.466000][ T10] ip6_route_add+0x1c/0x140 [ 3084.466000][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3084.466000][ T10] inet6_addr_add+0x4f8/0xa40 [ 3084.466000][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3084.466000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3084.466000][ T10] netlink_rcv_skb+0x130/0x360 [ 3084.466000][ T10] netlink_unicast+0x449/0x710 [ 3084.466000][ T10] netlink_sendmsg+0x723/0xbe0 [ 3084.466000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3084.466000][ T10] ___sys_sendmsg+0xee/0x170 [ 3084.466000][ T10] __sys_sendmsg+0xcd/0x170 [ 3084.466000][ T10] do_syscall_64+0xc6/0x1e0 [ 3084.466000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3084.466000][ T10] [ 3084.468165][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3084.468165][ T10] netdev_get_by_index+0x5e/0x80 [ 3084.468165][ T10] fib6_nh_init+0x3d8/0x1580 [ 3084.468165][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3084.468165][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3084.468165][ T10] ipv6_add_addr+0x411/0x2000 [ 3084.468165][ T10] inet6_addr_add+0x30e/0xa40 [ 3084.468165][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3084.468165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3084.468165][ T10] netlink_rcv_skb+0x130/0x360 [ 3084.468165][ T10] netlink_unicast+0x449/0x710 [ 3084.468165][ T10] netlink_sendmsg+0x723/0xbe0 [ 3084.468165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3084.468165][ T10] ___sys_sendmsg+0xee/0x170 [ 3084.468165][ T10] __sys_sendmsg+0xcd/0x170 [ 3084.468165][ T10] do_syscall_64+0xc6/0x1e0 [ 3084.468165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3084.468165][ T10] [ 3084.470455][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3084.470455][ T10] netdev_get_by_index+0x5e/0x80 [ 3084.470455][ T10] fib6_nh_init+0x3d8/0x1580 [ 3084.470455][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3084.470455][ T10] ip6_route_add+0x1c/0x140 [ 3084.470455][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3084.470455][ T10] addrconf_add_dev+0xe2/0x170 [ 3084.470455][ T10] inet6_addr_add+0x12f/0xa40 [ 3084.470455][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3084.470455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3084.470455][ T10] netlink_rcv_skb+0x130/0x360 [ 3084.470455][ T10] netlink_unicast+0x449/0x710 [ 3084.470455][ T10] netlink_sendmsg+0x723/0xbe0 [ 3084.470455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3084.470455][ T10] ___sys_sendmsg+0xee/0x170 [ 3084.470455][ T10] __sys_sendmsg+0xcd/0x170 [ 3084.470455][ T10] do_syscall_64+0xc6/0x1e0 [ 3084.470455][ T10] [ 3084.472638][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3084.472638][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3084.472638][ T10] ipv6_find_idev+0x102/0x170 [ 3084.472638][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3084.472638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3084.472638][ T10] netlink_rcv_skb+0x130/0x360 [ 3084.472638][ T10] netlink_unicast+0x449/0x710 [ 3084.472638][ T10] netlink_sendmsg+0x723/0xbe0 [ 3084.472638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3084.472638][ T10] ___sys_sendmsg+0xee/0x170 [ 3084.472638][ T10] __sys_sendmsg+0xcd/0x170 [ 3084.472638][ T10] do_syscall_64+0xc6/0x1e0 [ 3084.472638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3084.472638][ T10] [ 3084.474347][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3084.474347][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3084.474347][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3084.474347][ T10] ipv6_find_idev+0x102/0x170 [ 3084.474347][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3084.474347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3084.474347][ T10] netlink_rcv_skb+0x130/0x360 [ 3084.474347][ T10] netlink_unicast+0x449/0x710 [ 3084.474347][ T10] netlink_sendmsg+0x723/0xbe0 [ 3084.474347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3084.474347][ T10] ___sys_sendmsg+0xee/0x170 [ 3084.474347][ T10] __sys_sendmsg+0xcd/0x170 [ 3084.474347][ T10] do_syscall_64+0xc6/0x1e0 [ 3084.474347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3084.474347][ T10] [ 3084.476205][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3084.476436][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3084.476436][ T10] netdev_get_by_index+0x5e/0x80 [ 3084.476436][ T10] fib6_nh_init+0x3d8/0x1580 [ 3084.476436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3084.476436][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3084.476436][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3084.476436][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3084.476436][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3084.476436][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3084.476436][ T10] addrconf_dad_begin+0x310/0x670 [ 3084.476436][ T10] addrconf_dad_work+0x10b/0xab0 [ 3084.476436][ T10] process_one_work+0x84d/0x18a0 [ 3084.476436][ T10] worker_thread+0x587/0xd30 [ 3084.476436][ T10] kthread+0x28a/0x350 [ 3084.476436][ T10] ret_from_fork+0x31/0x70 [ 3084.476436][ T10] ret_from_fork_asm+0x1a/0x30 [ 3084.476436][ T10] [ 3084.478627][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3084.478627][ T10] netdev_get_by_index+0x5e/0x80 [ 3084.478627][ T10] fib6_nh_init+0x3d8/0x1580 [ 3084.478627][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3084.478627][ T10] ip6_route_add+0x1c/0x140 [ 3084.478627][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3084.478627][ T10] inet6_addr_add+0x4f8/0xa40 [ 3084.478627][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3084.478627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3084.478627][ T10] netlink_rcv_skb+0x130/0x360 [ 3084.478627][ T10] netlink_unicast+0x449/0x710 [ 3084.478627][ T10] netlink_sendmsg+0x723/0xbe0 [ 3084.478627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3084.478627][ T10] ___sys_sendmsg+0xee/0x170 [ 3084.478627][ T10] __sys_sendmsg+0xcd/0x170 [ 3084.478627][ T10] do_syscall_64+0xc6/0x1e0 [ 3084.478627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3084.478627][ T10] [ 3084.480850][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3084.480850][ T10] netdev_get_by_index+0x5e/0x80 [ 3084.480850][ T10] fib6_nh_init+0x3d8/0x1580 [ 3084.480850][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3084.480850][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3084.480850][ T10] ipv6_add_addr+0x411/0x2000 [ 3084.480850][ T10] inet6_addr_add+0x30e/0xa40 [ 3084.480850][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3084.480850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3084.480850][ T10] netlink_rcv_skb+0x130/0x360 [ 3084.480850][ T10] netlink_unicast+0x449/0x710 [ 3084.480850][ T10] netlink_sendmsg+0x723/0xbe0 [ 3084.480850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3084.480850][ T10] ___sys_sendmsg+0xee/0x170 [ 3084.480850][ T10] __sys_sendmsg+0xcd/0x170 [ 3084.480850][ T10] do_syscall_64+0xc6/0x1e0 [ 3084.480850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3084.480850][ T10] [ 3084.483012][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3084.483012][ T10] netdev_get_by_index+0x5e/0x80 [ 3084.483012][ T10] fib6_nh_init+0x3d8/0x1580 [ 3084.483012][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3084.483012][ T10] ip6_route_add+0x1c/0x140 [ 3084.483012][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3084.483012][ T10] addrconf_add_dev+0xe2/0x170 [ 3084.483012][ T10] inet6_addr_add+0x12f/0xa40 [ 3084.483012][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3084.483012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3084.483012][ T10] netlink_rcv_skb+0x130/0x360 [ 3084.483012][ T10] netlink_unicast+0x449/0x710 [ 3084.483012][ T10] netlink_sendmsg+0x723/0xbe0 [ 3084.483012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3084.483012][ T10] ___sys_sendmsg+0xee/0x170 [ 3084.483012][ T10] __sys_sendmsg+0xcd/0x170 [ 3084.483012][ T10] do_syscall_64+0xc6/0x1e0 [ 3084.483012][ T10] [ 3084.485197][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3084.485197][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3084.485197][ T10] ipv6_find_idev+0x102/0x170 [ 3084.485197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3084.485197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3084.485197][ T10] netlink_rcv_skb+0x130/0x360 [ 3084.485197][ T10] netlink_unicast+0x449/0x710 [ 3084.485197][ T10] netlink_sendmsg+0x723/0xbe0 [ 3084.485197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3084.485197][ T10] ___sys_sendmsg+0xee/0x170 [ 3084.485197][ T10] __sys_sendmsg+0xcd/0x170 [ 3084.485197][ T10] do_syscall_64+0xc6/0x1e0 [ 3084.485197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3084.485197][ T10] [ 3084.486900][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3084.486900][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3084.486900][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3084.486900][ T10] ipv6_find_idev+0x102/0x170 [ 3084.486900][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3084.486900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3084.486900][ T10] netlink_rcv_skb+0x130/0x360 [ 3084.486900][ T10] netlink_unicast+0x449/0x710 [ 3084.486900][ T10] netlink_sendmsg+0x723/0xbe0 [ 3084.486900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3084.486900][ T10] ___sys_sendmsg+0xee/0x170 [ 3084.486900][ T10] __sys_sendmsg+0xcd/0x170 [ 3084.486900][ T10] do_syscall_64+0xc6/0x1e0 [ 3084.486900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3084.486900][ T10] [ 3085.929069][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3085.929501][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3085.929501][ T1167] dst_init+0x84/0x4a0 [ 3085.929501][ T1167] dst_alloc+0x97/0x150 [ 3085.929501][ T1167] ip6_dst_alloc+0x23/0x90 [ 3085.929501][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3085.929501][ T1167] ip6_pol_route+0x56f/0x840 [ 3085.929501][ T1167] fib6_rule_lookup+0x334/0x630 [ 3085.929501][ T1167] ip6_route_output_flags+0x259/0x480 [ 3085.929501][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3085.929501][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3085.929501][ T1167] netlink_rcv_skb+0x130/0x360 [ 3085.929501][ T1167] netlink_unicast+0x449/0x710 [ 3085.929501][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3085.929501][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3085.929501][ T1167] ___sys_sendmsg+0xee/0x170 [ 3085.929501][ T1167] __sys_sendmsg+0xcd/0x170 [ 3085.929501][ T1167] do_syscall_64+0xc6/0x1e0 [ 3085.929501][ T1167] [ 3085.931702][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3085.931702][ T1167] netdev_get_by_index+0x5e/0x80 [ 3085.931702][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3085.931702][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3085.931702][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3085.931702][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3085.931702][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3085.931702][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3085.931702][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3085.931702][ T1167] addrconf_dad_begin+0x310/0x670 [ 3085.931702][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3085.931702][ T1167] process_one_work+0x84d/0x18a0 [ 3085.931702][ T1167] worker_thread+0x587/0xd30 [ 3085.931702][ T1167] kthread+0x28a/0x350 [ 3085.931702][ T1167] ret_from_fork+0x31/0x70 [ 3085.931702][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3085.931702][ T1167] [ 3085.933895][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3085.933895][ T1167] netdev_get_by_index+0x5e/0x80 [ 3085.933895][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3085.933895][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3085.933895][ T1167] ip6_route_add+0x1c/0x140 [ 3085.933895][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3085.933895][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3085.933895][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3085.933895][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3085.933895][ T1167] netlink_rcv_skb+0x130/0x360 [ 3085.933895][ T1167] netlink_unicast+0x449/0x710 [ 3085.933895][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3085.933895][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3085.933895][ T1167] ___sys_sendmsg+0xee/0x170 [ 3085.933895][ T1167] __sys_sendmsg+0xcd/0x170 [ 3085.933895][ T1167] do_syscall_64+0xc6/0x1e0 [ 3085.933895][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3085.933895][ T1167] [ 3085.936158][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3085.936158][ T1167] netdev_get_by_index+0x5e/0x80 [ 3085.936158][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3085.936158][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3085.936158][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3085.936158][ T1167] ipv6_add_addr+0x411/0x2000 [ 3085.936158][ T1167] inet6_addr_add+0x30e/0xa40 [ 3085.936158][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3085.936158][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3085.936158][ T1167] netlink_rcv_skb+0x130/0x360 [ 3085.936158][ T1167] netlink_unicast+0x449/0x710 [ 3085.936158][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3085.936158][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3085.936158][ T1167] ___sys_sendmsg+0xee/0x170 [ 3085.936158][ T1167] __sys_sendmsg+0xcd/0x170 [ 3085.936158][ T1167] do_syscall_64+0xc6/0x1e0 [ 3085.936158][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3085.936158][ T1167] [ 3085.938428][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3085.938428][ T1167] netdev_get_by_index+0x5e/0x80 [ 3085.938428][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3085.938428][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3085.938428][ T1167] ip6_route_add+0x1c/0x140 [ 3085.938428][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3085.938428][ T1167] addrconf_add_dev+0xe2/0x170 [ 3085.938428][ T1167] inet6_addr_add+0x12f/0xa40 [ 3085.938428][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3085.938428][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3085.938428][ T1167] netlink_rcv_skb+0x130/0x360 [ 3085.938428][ T1167] netlink_unicast+0x449/0x710 [ 3085.938428][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3085.938428][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3085.938428][ T1167] ___sys_sendmsg+0xee/0x170 [ 3085.938428][ T1167] __sys_sendmsg+0xcd/0x170 [ 3085.938428][ T1167] do_syscall_64+0xc6/0x1e0 [ 3085.938428][ T1167] [ 3085.940644][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3085.940644][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3085.940644][ T1167] ipv6_find_idev+0x102/0x170 [ 3085.940644][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3085.940644][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3085.940644][ T1167] netlink_rcv_skb+0x130/0x360 [ 3085.940644][ T1167] netlink_unicast+0x449/0x710 [ 3085.940644][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3085.940644][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3085.940644][ T1167] ___sys_sendmsg+0xee/0x170 [ 3085.940644][ T1167] __sys_sendmsg+0xcd/0x170 [ 3085.940644][ T1167] do_syscall_64+0xc6/0x1e0 [ 3085.940644][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3085.940644][ T1167] [ 3085.942387][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3085.942387][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3085.942387][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3085.942387][ T1167] ipv6_find_idev+0x102/0x170 [ 3085.942387][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3085.942387][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3085.942387][ T1167] netlink_rcv_skb+0x130/0x360 [ 3085.942387][ T1167] netlink_unicast+0x449/0x710 [ 3085.942387][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3085.942387][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3085.942387][ T1167] ___sys_sendmsg+0xee/0x170 [ 3085.942387][ T1167] __sys_sendmsg+0xcd/0x170 [ 3085.942387][ T1167] do_syscall_64+0xc6/0x1e0 [ 3085.942387][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3085.942387][ T1167] [ 3094.609083][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3094.609423][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3094.609423][ T10] netdev_get_by_index+0x5e/0x80 [ 3094.609423][ T10] fib6_nh_init+0x3d8/0x1580 [ 3094.609423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3094.609423][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3094.609423][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3094.609423][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3094.609423][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3094.609423][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3094.609423][ T10] addrconf_dad_begin+0x310/0x670 [ 3094.609423][ T10] addrconf_dad_work+0x10b/0xab0 [ 3094.609423][ T10] process_one_work+0x84d/0x18a0 [ 3094.609423][ T10] worker_thread+0x587/0xd30 [ 3094.609423][ T10] kthread+0x28a/0x350 [ 3094.609423][ T10] ret_from_fork+0x31/0x70 [ 3094.609423][ T10] ret_from_fork_asm+0x1a/0x30 [ 3094.609423][ T10] [ 3094.611340][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3094.611340][ T10] netdev_get_by_index+0x5e/0x80 [ 3094.611340][ T10] fib6_nh_init+0x3d8/0x1580 [ 3094.611340][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3094.611340][ T10] ip6_route_add+0x1c/0x140 [ 3094.611340][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3094.611340][ T10] inet6_addr_add+0x4f8/0xa40 [ 3094.611340][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3094.611340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3094.611340][ T10] netlink_rcv_skb+0x130/0x360 [ 3094.611340][ T10] netlink_unicast+0x449/0x710 [ 3094.611340][ T10] netlink_sendmsg+0x723/0xbe0 [ 3094.611340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3094.611340][ T10] ___sys_sendmsg+0xee/0x170 [ 3094.611340][ T10] __sys_sendmsg+0xcd/0x170 [ 3094.611340][ T10] do_syscall_64+0xc6/0x1e0 [ 3094.611340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3094.611340][ T10] [ 3094.613322][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3094.613322][ T10] netdev_get_by_index+0x5e/0x80 [ 3094.613322][ T10] fib6_nh_init+0x3d8/0x1580 [ 3094.613322][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3094.613322][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3094.613322][ T10] ipv6_add_addr+0x411/0x2000 [ 3094.613322][ T10] inet6_addr_add+0x30e/0xa40 [ 3094.613322][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3094.613322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3094.613322][ T10] netlink_rcv_skb+0x130/0x360 [ 3094.613322][ T10] netlink_unicast+0x449/0x710 [ 3094.613322][ T10] netlink_sendmsg+0x723/0xbe0 [ 3094.613322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3094.613322][ T10] ___sys_sendmsg+0xee/0x170 [ 3094.613322][ T10] __sys_sendmsg+0xcd/0x170 [ 3094.613322][ T10] do_syscall_64+0xc6/0x1e0 [ 3094.613322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3094.613322][ T10] [ 3094.615316][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3094.615316][ T10] netdev_get_by_index+0x5e/0x80 [ 3094.615316][ T10] fib6_nh_init+0x3d8/0x1580 [ 3094.615316][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3094.615316][ T10] ip6_route_add+0x1c/0x140 [ 3094.615316][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3094.615316][ T10] addrconf_add_dev+0xe2/0x170 [ 3094.615316][ T10] inet6_addr_add+0x12f/0xa40 [ 3094.615316][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3094.615316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3094.615316][ T10] netlink_rcv_skb+0x130/0x360 [ 3094.615316][ T10] netlink_unicast+0x449/0x710 [ 3094.615316][ T10] netlink_sendmsg+0x723/0xbe0 [ 3094.615316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3094.615316][ T10] ___sys_sendmsg+0xee/0x170 [ 3094.615316][ T10] __sys_sendmsg+0xcd/0x170 [ 3094.615316][ T10] do_syscall_64+0xc6/0x1e0 [ 3094.615316][ T10] [ 3094.617254][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3094.617254][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3094.617254][ T10] ipv6_find_idev+0x102/0x170 [ 3094.617254][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3094.617254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3094.617254][ T10] netlink_rcv_skb+0x130/0x360 [ 3094.617254][ T10] netlink_unicast+0x449/0x710 [ 3094.617254][ T10] netlink_sendmsg+0x723/0xbe0 [ 3094.617254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3094.617254][ T10] ___sys_sendmsg+0xee/0x170 [ 3094.617254][ T10] __sys_sendmsg+0xcd/0x170 [ 3094.617254][ T10] do_syscall_64+0xc6/0x1e0 [ 3094.617254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3094.617254][ T10] [ 3094.618790][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3094.618790][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3094.618790][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3094.618790][ T10] ipv6_find_idev+0x102/0x170 [ 3094.618790][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3094.618790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3094.618790][ T10] netlink_rcv_skb+0x130/0x360 [ 3094.618790][ T10] netlink_unicast+0x449/0x710 [ 3094.618790][ T10] netlink_sendmsg+0x723/0xbe0 [ 3094.618790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3094.618790][ T10] ___sys_sendmsg+0xee/0x170 [ 3094.618790][ T10] __sys_sendmsg+0xcd/0x170 [ 3094.618790][ T10] do_syscall_64+0xc6/0x1e0 [ 3094.618790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3094.618790][ T10] [ 3094.620473][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3094.620722][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3094.620722][ T10] netdev_get_by_index+0x5e/0x80 [ 3094.620722][ T10] fib6_nh_init+0x3d8/0x1580 [ 3094.620722][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3094.620722][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3094.620722][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3094.620722][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3094.620722][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3094.620722][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3094.620722][ T10] addrconf_dad_begin+0x310/0x670 [ 3094.620722][ T10] addrconf_dad_work+0x10b/0xab0 [ 3094.620722][ T10] process_one_work+0x84d/0x18a0 [ 3094.620722][ T10] worker_thread+0x587/0xd30 [ 3094.620722][ T10] kthread+0x28a/0x350 [ 3094.620722][ T10] ret_from_fork+0x31/0x70 [ 3094.620722][ T10] ret_from_fork_asm+0x1a/0x30 [ 3094.620722][ T10] [ 3094.622606][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3094.622606][ T10] netdev_get_by_index+0x5e/0x80 [ 3094.622606][ T10] fib6_nh_init+0x3d8/0x1580 [ 3094.622606][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3094.622606][ T10] ip6_route_add+0x1c/0x140 [ 3094.622606][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3094.622606][ T10] inet6_addr_add+0x4f8/0xa40 [ 3094.622606][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3094.622606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3094.622606][ T10] netlink_rcv_skb+0x130/0x360 [ 3094.622606][ T10] netlink_unicast+0x449/0x710 [ 3094.622606][ T10] netlink_sendmsg+0x723/0xbe0 [ 3094.622606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3094.622606][ T10] ___sys_sendmsg+0xee/0x170 [ 3094.622606][ T10] __sys_sendmsg+0xcd/0x170 [ 3094.622606][ T10] do_syscall_64+0xc6/0x1e0 [ 3094.622606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3094.622606][ T10] [ 3094.624589][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3094.624589][ T10] netdev_get_by_index+0x5e/0x80 [ 3094.624589][ T10] fib6_nh_init+0x3d8/0x1580 [ 3094.624589][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3094.624589][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3094.624589][ T10] ipv6_add_addr+0x411/0x2000 [ 3094.624589][ T10] inet6_addr_add+0x30e/0xa40 [ 3094.624589][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3094.624589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3094.624589][ T10] netlink_rcv_skb+0x130/0x360 [ 3094.624589][ T10] netlink_unicast+0x449/0x710 [ 3094.624589][ T10] netlink_sendmsg+0x723/0xbe0 [ 3094.624589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3094.624589][ T10] ___sys_sendmsg+0xee/0x170 [ 3094.624589][ T10] __sys_sendmsg+0xcd/0x170 [ 3094.624589][ T10] do_syscall_64+0xc6/0x1e0 [ 3094.624589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3094.624589][ T10] [ 3094.626562][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3094.626562][ T10] netdev_get_by_index+0x5e/0x80 [ 3094.626562][ T10] fib6_nh_init+0x3d8/0x1580 [ 3094.626562][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3094.626562][ T10] ip6_route_add+0x1c/0x140 [ 3094.626562][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3094.626562][ T10] addrconf_add_dev+0xe2/0x170 [ 3094.626562][ T10] inet6_addr_add+0x12f/0xa40 [ 3094.626562][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3094.626562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3094.626562][ T10] netlink_rcv_skb+0x130/0x360 [ 3094.626562][ T10] netlink_unicast+0x449/0x710 [ 3094.626562][ T10] netlink_sendmsg+0x723/0xbe0 [ 3094.626562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3094.626562][ T10] ___sys_sendmsg+0xee/0x170 [ 3094.626562][ T10] __sys_sendmsg+0xcd/0x170 [ 3094.626562][ T10] do_syscall_64+0xc6/0x1e0 [ 3094.626562][ T10] [ 3094.628505][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3094.628505][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3094.628505][ T10] ipv6_find_idev+0x102/0x170 [ 3094.628505][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3094.628505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3094.628505][ T10] netlink_rcv_skb+0x130/0x360 [ 3094.628505][ T10] netlink_unicast+0x449/0x710 [ 3094.628505][ T10] netlink_sendmsg+0x723/0xbe0 [ 3094.628505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3094.628505][ T10] ___sys_sendmsg+0xee/0x170 [ 3094.628505][ T10] __sys_sendmsg+0xcd/0x170 [ 3094.628505][ T10] do_syscall_64+0xc6/0x1e0 [ 3094.628505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3094.628505][ T10] [ 3094.630054][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3094.630054][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3094.630054][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3094.630054][ T10] ipv6_find_idev+0x102/0x170 [ 3094.630054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3094.630054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3094.630054][ T10] netlink_rcv_skb+0x130/0x360 [ 3094.630054][ T10] netlink_unicast+0x449/0x710 [ 3094.630054][ T10] netlink_sendmsg+0x723/0xbe0 [ 3094.630054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3094.630054][ T10] ___sys_sendmsg+0xee/0x170 [ 3094.630054][ T10] __sys_sendmsg+0xcd/0x170 [ 3094.630054][ T10] do_syscall_64+0xc6/0x1e0 [ 3094.630054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3094.630054][ T10] [ 3094.631714][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3094.631955][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3094.631955][ T10] netdev_get_by_index+0x5e/0x80 [ 3094.631955][ T10] fib6_nh_init+0x3d8/0x1580 [ 3094.631955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3094.631955][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3094.631955][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3094.631955][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3094.631955][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3094.631955][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3094.631955][ T10] addrconf_dad_begin+0x310/0x670 [ 3094.631955][ T10] addrconf_dad_work+0x10b/0xab0 [ 3094.631955][ T10] process_one_work+0x84d/0x18a0 [ 3094.631955][ T10] worker_thread+0x587/0xd30 [ 3094.631955][ T10] kthread+0x28a/0x350 [ 3094.631955][ T10] ret_from_fork+0x31/0x70 [ 3094.631955][ T10] ret_from_fork_asm+0x1a/0x30 [ 3094.631955][ T10] [ 3094.633871][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3094.633871][ T10] netdev_get_by_index+0x5e/0x80 [ 3094.633871][ T10] fib6_nh_init+0x3d8/0x1580 [ 3094.633871][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3094.633871][ T10] ip6_route_add+0x1c/0x140 [ 3094.633871][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3094.633871][ T10] inet6_addr_add+0x4f8/0xa40 [ 3094.633871][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3094.633871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3094.633871][ T10] netlink_rcv_skb+0x130/0x360 [ 3094.633871][ T10] netlink_unicast+0x449/0x710 [ 3094.633871][ T10] netlink_sendmsg+0x723/0xbe0 [ 3094.633871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3094.633871][ T10] ___sys_sendmsg+0xee/0x170 [ 3094.633871][ T10] __sys_sendmsg+0xcd/0x170 [ 3094.633871][ T10] do_syscall_64+0xc6/0x1e0 [ 3094.633871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3094.633871][ T10] [ 3094.635984][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3094.635984][ T10] netdev_get_by_index+0x5e/0x80 [ 3094.635984][ T10] fib6_nh_init+0x3d8/0x1580 [ 3094.635984][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3094.635984][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3094.635984][ T10] ipv6_add_addr+0x411/0x2000 [ 3094.635984][ T10] inet6_addr_add+0x30e/0xa40 [ 3094.635984][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3094.635984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3094.635984][ T10] netlink_rcv_skb+0x130/0x360 [ 3094.635984][ T10] netlink_unicast+0x449/0x710 [ 3094.635984][ T10] netlink_sendmsg+0x723/0xbe0 [ 3094.635984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3094.635984][ T10] ___sys_sendmsg+0xee/0x170 [ 3094.635984][ T10] __sys_sendmsg+0xcd/0x170 [ 3094.635984][ T10] do_syscall_64+0xc6/0x1e0 [ 3094.635984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3094.635984][ T10] [ 3094.638095][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3094.638095][ T10] netdev_get_by_index+0x5e/0x80 [ 3094.638095][ T10] fib6_nh_init+0x3d8/0x1580 [ 3094.638095][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3094.638095][ T10] ip6_route_add+0x1c/0x140 [ 3094.638095][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3094.638095][ T10] addrconf_add_dev+0xe2/0x170 [ 3094.638095][ T10] inet6_addr_add+0x12f/0xa40 [ 3094.638095][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3094.638095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3094.638095][ T10] netlink_rcv_skb+0x130/0x360 [ 3094.638095][ T10] netlink_unicast+0x449/0x710 [ 3094.638095][ T10] netlink_sendmsg+0x723/0xbe0 [ 3094.638095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3094.638095][ T10] ___sys_sendmsg+0xee/0x170 [ 3094.638095][ T10] __sys_sendmsg+0xcd/0x170 [ 3094.638095][ T10] do_syscall_64+0xc6/0x1e0 [ 3094.638095][ T10] [ 3094.640166][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3094.640166][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3094.640166][ T10] ipv6_find_idev+0x102/0x170 [ 3094.640166][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3094.640166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3094.640166][ T10] netlink_rcv_skb+0x130/0x360 [ 3094.640166][ T10] netlink_unicast+0x449/0x710 [ 3094.640166][ T10] netlink_sendmsg+0x723/0xbe0 [ 3094.640166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3094.640166][ T10] ___sys_sendmsg+0xee/0x170 [ 3094.640166][ T10] __sys_sendmsg+0xcd/0x170 [ 3094.640166][ T10] do_syscall_64+0xc6/0x1e0 [ 3094.640166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3094.640166][ T10] [ 3094.641758][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3094.641758][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3094.641758][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3094.641758][ T10] ipv6_find_idev+0x102/0x170 [ 3094.641758][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3094.641758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3094.641758][ T10] netlink_rcv_skb+0x130/0x360 [ 3094.641758][ T10] netlink_unicast+0x449/0x710 [ 3094.641758][ T10] netlink_sendmsg+0x723/0xbe0 [ 3094.641758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3094.641758][ T10] ___sys_sendmsg+0xee/0x170 [ 3094.641758][ T10] __sys_sendmsg+0xcd/0x170 [ 3094.641758][ T10] do_syscall_64+0xc6/0x1e0 [ 3094.641758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3094.641758][ T10] [ 3094.643682][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3094.643919][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3094.643919][ T10] netdev_get_by_index+0x5e/0x80 [ 3094.643919][ T10] fib6_nh_init+0x3d8/0x1580 [ 3094.643919][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3094.643919][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3094.643919][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3094.643919][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3094.643919][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3094.643919][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3094.643919][ T10] addrconf_dad_begin+0x310/0x670 [ 3094.643919][ T10] addrconf_dad_work+0x10b/0xab0 [ 3094.643919][ T10] process_one_work+0x84d/0x18a0 [ 3094.643919][ T10] worker_thread+0x587/0xd30 [ 3094.643919][ T10] kthread+0x28a/0x350 [ 3094.643919][ T10] ret_from_fork+0x31/0x70 [ 3094.643919][ T10] ret_from_fork_asm+0x1a/0x30 [ 3094.643919][ T10] [ 3094.645934][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3094.645934][ T10] netdev_get_by_index+0x5e/0x80 [ 3094.645934][ T10] fib6_nh_init+0x3d8/0x1580 [ 3094.645934][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3094.645934][ T10] ip6_route_add+0x1c/0x140 [ 3094.645934][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3094.645934][ T10] inet6_addr_add+0x4f8/0xa40 [ 3094.645934][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3094.645934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3094.645934][ T10] netlink_rcv_skb+0x130/0x360 [ 3094.645934][ T10] netlink_unicast+0x449/0x710 [ 3094.645934][ T10] netlink_sendmsg+0x723/0xbe0 [ 3094.645934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3094.645934][ T10] ___sys_sendmsg+0xee/0x170 [ 3094.645934][ T10] __sys_sendmsg+0xcd/0x170 [ 3094.645934][ T10] do_syscall_64+0xc6/0x1e0 [ 3094.645934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3094.645934][ T10] [ 3094.648061][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3094.648061][ T10] netdev_get_by_index+0x5e/0x80 [ 3094.648061][ T10] fib6_nh_init+0x3d8/0x1580 [ 3094.648061][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3094.648061][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3094.648061][ T10] ipv6_add_addr+0x411/0x2000 [ 3094.648061][ T10] inet6_addr_add+0x30e/0xa40 [ 3094.648061][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3094.648061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3094.648061][ T10] netlink_rcv_skb+0x130/0x360 [ 3094.648061][ T10] netlink_unicast+0x449/0x710 [ 3094.648061][ T10] netlink_sendmsg+0x723/0xbe0 [ 3094.648061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3094.648061][ T10] ___sys_sendmsg+0xee/0x170 [ 3094.648061][ T10] __sys_sendmsg+0xcd/0x170 [ 3094.648061][ T10] do_syscall_64+0xc6/0x1e0 [ 3094.648061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3094.648061][ T10] [ 3094.650097][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3094.650097][ T10] netdev_get_by_index+0x5e/0x80 [ 3094.650097][ T10] fib6_nh_init+0x3d8/0x1580 [ 3094.650097][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3094.650097][ T10] ip6_route_add+0x1c/0x140 [ 3094.650097][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3094.650097][ T10] addrconf_add_dev+0xe2/0x170 [ 3094.650097][ T10] inet6_addr_add+0x12f/0xa40 [ 3094.650097][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3094.650097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3094.650097][ T10] netlink_rcv_skb+0x130/0x360 [ 3094.650097][ T10] netlink_unicast+0x449/0x710 [ 3094.650097][ T10] netlink_sendmsg+0x723/0xbe0 [ 3094.650097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3094.650097][ T10] ___sys_sendmsg+0xee/0x170 [ 3094.650097][ T10] __sys_sendmsg+0xcd/0x170 [ 3094.650097][ T10] do_syscall_64+0xc6/0x1e0 [ 3094.650097][ T10] [ 3094.652170][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3094.652170][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3094.652170][ T10] ipv6_find_idev+0x102/0x170 [ 3094.652170][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3094.652170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3094.652170][ T10] netlink_rcv_skb+0x130/0x360 [ 3094.652170][ T10] netlink_unicast+0x449/0x710 [ 3094.652170][ T10] netlink_sendmsg+0x723/0xbe0 [ 3094.652170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3094.652170][ T10] ___sys_sendmsg+0xee/0x170 [ 3094.652170][ T10] __sys_sendmsg+0xcd/0x170 [ 3094.652170][ T10] do_syscall_64+0xc6/0x1e0 [ 3094.652170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3094.652170][ T10] [ 3094.653763][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3094.653763][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3094.653763][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3094.653763][ T10] ipv6_find_idev+0x102/0x170 [ 3094.653763][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3094.653763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3094.653763][ T10] netlink_rcv_skb+0x130/0x360 [ 3094.653763][ T10] netlink_unicast+0x449/0x710 [ 3094.653763][ T10] netlink_sendmsg+0x723/0xbe0 [ 3094.653763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3094.653763][ T10] ___sys_sendmsg+0xee/0x170 [ 3094.653763][ T10] __sys_sendmsg+0xcd/0x170 [ 3094.653763][ T10] do_syscall_64+0xc6/0x1e0 [ 3094.653763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3094.653763][ T10] [ 3096.193148][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3096.194163][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3096.194163][ T1167] dst_init+0x84/0x4a0 [ 3096.194163][ T1167] dst_alloc+0x97/0x150 [ 3096.194163][ T1167] ip6_dst_alloc+0x23/0x90 [ 3096.194163][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3096.194163][ T1167] ip6_pol_route+0x56f/0x840 [ 3096.194163][ T1167] fib6_rule_lookup+0x334/0x630 [ 3096.194163][ T1167] ip6_route_output_flags+0x259/0x480 [ 3096.194163][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3096.194163][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3096.194163][ T1167] netlink_rcv_skb+0x130/0x360 [ 3096.194163][ T1167] netlink_unicast+0x449/0x710 [ 3096.194163][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3096.194163][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3096.194163][ T1167] ___sys_sendmsg+0xee/0x170 [ 3096.194163][ T1167] __sys_sendmsg+0xcd/0x170 [ 3096.194163][ T1167] do_syscall_64+0xc6/0x1e0 [ 3096.194163][ T1167] [ 3096.196361][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3096.196361][ T1167] netdev_get_by_index+0x5e/0x80 [ 3096.196361][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3096.196361][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3096.196361][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3096.196361][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3096.196361][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3096.196361][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3096.196361][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3096.196361][ T1167] addrconf_dad_begin+0x310/0x670 [ 3096.196361][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3096.196361][ T1167] process_one_work+0x84d/0x18a0 [ 3096.196361][ T1167] worker_thread+0x587/0xd30 [ 3096.196361][ T1167] kthread+0x28a/0x350 [ 3096.196361][ T1167] ret_from_fork+0x31/0x70 [ 3096.196361][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3096.196361][ T1167] [ 3096.198517][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3096.198517][ T1167] netdev_get_by_index+0x5e/0x80 [ 3096.198517][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3096.198517][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3096.198517][ T1167] ip6_route_add+0x1c/0x140 [ 3096.198517][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3096.198517][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3096.198517][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3096.198517][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.198517][ T1167] netlink_rcv_skb+0x130/0x360 [ 3096.198517][ T1167] netlink_unicast+0x449/0x710 [ 3096.198517][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3096.198517][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3096.198517][ T1167] ___sys_sendmsg+0xee/0x170 [ 3096.198517][ T1167] __sys_sendmsg+0xcd/0x170 [ 3096.198517][ T1167] do_syscall_64+0xc6/0x1e0 [ 3096.198517][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.198517][ T1167] [ 3096.200781][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3096.200781][ T1167] netdev_get_by_index+0x5e/0x80 [ 3096.200781][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3096.200781][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3096.200781][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3096.200781][ T1167] ipv6_add_addr+0x411/0x2000 [ 3096.200781][ T1167] inet6_addr_add+0x30e/0xa40 [ 3096.200781][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3096.200781][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.200781][ T1167] netlink_rcv_skb+0x130/0x360 [ 3096.200781][ T1167] netlink_unicast+0x449/0x710 [ 3096.200781][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3096.200781][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3096.200781][ T1167] ___sys_sendmsg+0xee/0x170 [ 3096.200781][ T1167] __sys_sendmsg+0xcd/0x170 [ 3096.200781][ T1167] do_syscall_64+0xc6/0x1e0 [ 3096.200781][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.200781][ T1167] [ 3096.203030][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3096.203030][ T1167] netdev_get_by_index+0x5e/0x80 [ 3096.203030][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3096.203030][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3096.203030][ T1167] ip6_route_add+0x1c/0x140 [ 3096.203030][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3096.203030][ T1167] addrconf_add_dev+0xe2/0x170 [ 3096.203030][ T1167] inet6_addr_add+0x12f/0xa40 [ 3096.203030][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3096.203030][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.203030][ T1167] netlink_rcv_skb+0x130/0x360 [ 3096.203030][ T1167] netlink_unicast+0x449/0x710 [ 3096.203030][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3096.203030][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3096.203030][ T1167] ___sys_sendmsg+0xee/0x170 [ 3096.203030][ T1167] __sys_sendmsg+0xcd/0x170 [ 3096.203030][ T1167] do_syscall_64+0xc6/0x1e0 [ 3096.203030][ T1167] [ 3096.205252][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3096.205252][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3096.205252][ T1167] ipv6_find_idev+0x102/0x170 [ 3096.205252][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3096.205252][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.205252][ T1167] netlink_rcv_skb+0x130/0x360 [ 3096.205252][ T1167] netlink_unicast+0x449/0x710 [ 3096.205252][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3096.205252][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3096.205252][ T1167] ___sys_sendmsg+0xee/0x170 [ 3096.205252][ T1167] __sys_sendmsg+0xcd/0x170 [ 3096.205252][ T1167] do_syscall_64+0xc6/0x1e0 [ 3096.205252][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.205252][ T1167] [ 3096.206989][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3096.206989][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3096.206989][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3096.206989][ T1167] ipv6_find_idev+0x102/0x170 [ 3096.206989][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3096.206989][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.206989][ T1167] netlink_rcv_skb+0x130/0x360 [ 3096.206989][ T1167] netlink_unicast+0x449/0x710 [ 3096.206989][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3096.206989][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3096.206989][ T1167] ___sys_sendmsg+0xee/0x170 [ 3096.206989][ T1167] __sys_sendmsg+0xcd/0x170 [ 3096.206989][ T1167] do_syscall_64+0xc6/0x1e0 [ 3096.206989][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.206989][ T1167] [ 3104.897124][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3104.897471][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3104.897471][ T10] netdev_get_by_index+0x5e/0x80 [ 3104.897471][ T10] fib6_nh_init+0x3d8/0x1580 [ 3104.897471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3104.897471][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3104.897471][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3104.897471][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3104.897471][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3104.897471][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3104.897471][ T10] addrconf_dad_begin+0x310/0x670 [ 3104.897471][ T10] addrconf_dad_work+0x10b/0xab0 [ 3104.897471][ T10] process_one_work+0x84d/0x18a0 [ 3104.897471][ T10] worker_thread+0x587/0xd30 [ 3104.897471][ T10] kthread+0x28a/0x350 [ 3104.897471][ T10] ret_from_fork+0x31/0x70 [ 3104.897471][ T10] ret_from_fork_asm+0x1a/0x30 [ 3104.897471][ T10] [ 3104.899386][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3104.899386][ T10] netdev_get_by_index+0x5e/0x80 [ 3104.899386][ T10] fib6_nh_init+0x3d8/0x1580 [ 3104.899386][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3104.899386][ T10] ip6_route_add+0x1c/0x140 [ 3104.899386][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3104.899386][ T10] inet6_addr_add+0x4f8/0xa40 [ 3104.899386][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3104.899386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3104.899386][ T10] netlink_rcv_skb+0x130/0x360 [ 3104.899386][ T10] netlink_unicast+0x449/0x710 [ 3104.899386][ T10] netlink_sendmsg+0x723/0xbe0 [ 3104.899386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3104.899386][ T10] ___sys_sendmsg+0xee/0x170 [ 3104.899386][ T10] __sys_sendmsg+0xcd/0x170 [ 3104.899386][ T10] do_syscall_64+0xc6/0x1e0 [ 3104.899386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3104.899386][ T10] [ 3104.901385][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3104.901385][ T10] netdev_get_by_index+0x5e/0x80 [ 3104.901385][ T10] fib6_nh_init+0x3d8/0x1580 [ 3104.901385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3104.901385][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3104.901385][ T10] ipv6_add_addr+0x411/0x2000 [ 3104.901385][ T10] inet6_addr_add+0x30e/0xa40 [ 3104.901385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3104.901385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3104.901385][ T10] netlink_rcv_skb+0x130/0x360 [ 3104.901385][ T10] netlink_unicast+0x449/0x710 [ 3104.901385][ T10] netlink_sendmsg+0x723/0xbe0 [ 3104.901385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3104.901385][ T10] ___sys_sendmsg+0xee/0x170 [ 3104.901385][ T10] __sys_sendmsg+0xcd/0x170 [ 3104.901385][ T10] do_syscall_64+0xc6/0x1e0 [ 3104.901385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3104.901385][ T10] [ 3104.903393][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3104.903393][ T10] netdev_get_by_index+0x5e/0x80 [ 3104.903393][ T10] fib6_nh_init+0x3d8/0x1580 [ 3104.903393][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3104.903393][ T10] ip6_route_add+0x1c/0x140 [ 3104.903393][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3104.903393][ T10] addrconf_add_dev+0xe2/0x170 [ 3104.903393][ T10] inet6_addr_add+0x12f/0xa40 [ 3104.903393][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3104.903393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3104.903393][ T10] netlink_rcv_skb+0x130/0x360 [ 3104.903393][ T10] netlink_unicast+0x449/0x710 [ 3104.903393][ T10] netlink_sendmsg+0x723/0xbe0 [ 3104.903393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3104.903393][ T10] ___sys_sendmsg+0xee/0x170 [ 3104.903393][ T10] __sys_sendmsg+0xcd/0x170 [ 3104.903393][ T10] do_syscall_64+0xc6/0x1e0 [ 3104.903393][ T10] [ 3104.905346][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3104.905346][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3104.905346][ T10] ipv6_find_idev+0x102/0x170 [ 3104.905346][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3104.905346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3104.905346][ T10] netlink_rcv_skb+0x130/0x360 [ 3104.905346][ T10] netlink_unicast+0x449/0x710 [ 3104.905346][ T10] netlink_sendmsg+0x723/0xbe0 [ 3104.905346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3104.905346][ T10] ___sys_sendmsg+0xee/0x170 [ 3104.905346][ T10] __sys_sendmsg+0xcd/0x170 [ 3104.905346][ T10] do_syscall_64+0xc6/0x1e0 [ 3104.905346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3104.905346][ T10] [ 3104.906880][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3104.906880][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3104.906880][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3104.906880][ T10] ipv6_find_idev+0x102/0x170 [ 3104.906880][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3104.906880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3104.906880][ T10] netlink_rcv_skb+0x130/0x360 [ 3104.906880][ T10] netlink_unicast+0x449/0x710 [ 3104.906880][ T10] netlink_sendmsg+0x723/0xbe0 [ 3104.906880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3104.906880][ T10] ___sys_sendmsg+0xee/0x170 [ 3104.906880][ T10] __sys_sendmsg+0xcd/0x170 [ 3104.906880][ T10] do_syscall_64+0xc6/0x1e0 [ 3104.906880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3104.906880][ T10] [ 3104.908553][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3104.908795][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3104.908795][ T10] netdev_get_by_index+0x5e/0x80 [ 3104.908795][ T10] fib6_nh_init+0x3d8/0x1580 [ 3104.908795][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3104.908795][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3104.908795][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3104.908795][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3104.908795][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3104.908795][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3104.908795][ T10] addrconf_dad_begin+0x310/0x670 [ 3104.908795][ T10] addrconf_dad_work+0x10b/0xab0 [ 3104.908795][ T10] process_one_work+0x84d/0x18a0 [ 3104.908795][ T10] worker_thread+0x587/0xd30 [ 3104.908795][ T10] kthread+0x28a/0x350 [ 3104.908795][ T10] ret_from_fork+0x31/0x70 [ 3104.908795][ T10] ret_from_fork_asm+0x1a/0x30 [ 3104.908795][ T10] [ 3104.910678][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3104.910678][ T10] netdev_get_by_index+0x5e/0x80 [ 3104.910678][ T10] fib6_nh_init+0x3d8/0x1580 [ 3104.910678][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3104.910678][ T10] ip6_route_add+0x1c/0x140 [ 3104.910678][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3104.910678][ T10] inet6_addr_add+0x4f8/0xa40 [ 3104.910678][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3104.910678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3104.910678][ T10] netlink_rcv_skb+0x130/0x360 [ 3104.910678][ T10] netlink_unicast+0x449/0x710 [ 3104.910678][ T10] netlink_sendmsg+0x723/0xbe0 [ 3104.910678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3104.910678][ T10] ___sys_sendmsg+0xee/0x170 [ 3104.910678][ T10] __sys_sendmsg+0xcd/0x170 [ 3104.910678][ T10] do_syscall_64+0xc6/0x1e0 [ 3104.910678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3104.910678][ T10] [ 3104.912662][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3104.912662][ T10] netdev_get_by_index+0x5e/0x80 [ 3104.912662][ T10] fib6_nh_init+0x3d8/0x1580 [ 3104.912662][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3104.912662][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3104.912662][ T10] ipv6_add_addr+0x411/0x2000 [ 3104.912662][ T10] inet6_addr_add+0x30e/0xa40 [ 3104.912662][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3104.912662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3104.912662][ T10] netlink_rcv_skb+0x130/0x360 [ 3104.912662][ T10] netlink_unicast+0x449/0x710 [ 3104.912662][ T10] netlink_sendmsg+0x723/0xbe0 [ 3104.912662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3104.912662][ T10] ___sys_sendmsg+0xee/0x170 [ 3104.912662][ T10] __sys_sendmsg+0xcd/0x170 [ 3104.912662][ T10] do_syscall_64+0xc6/0x1e0 [ 3104.912662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3104.912662][ T10] [ 3104.914649][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3104.914649][ T10] netdev_get_by_index+0x5e/0x80 [ 3104.914649][ T10] fib6_nh_init+0x3d8/0x1580 [ 3104.914649][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3104.914649][ T10] ip6_route_add+0x1c/0x140 [ 3104.914649][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3104.914649][ T10] addrconf_add_dev+0xe2/0x170 [ 3104.914649][ T10] inet6_addr_add+0x12f/0xa40 [ 3104.914649][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3104.914649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3104.914649][ T10] netlink_rcv_skb+0x130/0x360 [ 3104.914649][ T10] netlink_unicast+0x449/0x710 [ 3104.914649][ T10] netlink_sendmsg+0x723/0xbe0 [ 3104.914649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3104.914649][ T10] ___sys_sendmsg+0xee/0x170 [ 3104.914649][ T10] __sys_sendmsg+0xcd/0x170 [ 3104.914649][ T10] do_syscall_64+0xc6/0x1e0 [ 3104.914649][ T10] [ 3104.916599][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3104.916599][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3104.916599][ T10] ipv6_find_idev+0x102/0x170 [ 3104.916599][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3104.916599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3104.916599][ T10] netlink_rcv_skb+0x130/0x360 [ 3104.916599][ T10] netlink_unicast+0x449/0x710 [ 3104.916599][ T10] netlink_sendmsg+0x723/0xbe0 [ 3104.916599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3104.916599][ T10] ___sys_sendmsg+0xee/0x170 [ 3104.916599][ T10] __sys_sendmsg+0xcd/0x170 [ 3104.916599][ T10] do_syscall_64+0xc6/0x1e0 [ 3104.916599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3104.916599][ T10] [ 3104.918130][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3104.918130][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3104.918130][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3104.918130][ T10] ipv6_find_idev+0x102/0x170 [ 3104.918130][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3104.918130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3104.918130][ T10] netlink_rcv_skb+0x130/0x360 [ 3104.918130][ T10] netlink_unicast+0x449/0x710 [ 3104.918130][ T10] netlink_sendmsg+0x723/0xbe0 [ 3104.918130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3104.918130][ T10] ___sys_sendmsg+0xee/0x170 [ 3104.918130][ T10] __sys_sendmsg+0xcd/0x170 [ 3104.918130][ T10] do_syscall_64+0xc6/0x1e0 [ 3104.918130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3104.918130][ T10] [ 3104.919802][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3104.920046][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3104.920046][ T10] netdev_get_by_index+0x5e/0x80 [ 3104.920046][ T10] fib6_nh_init+0x3d8/0x1580 [ 3104.920046][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3104.920046][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3104.920046][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3104.920046][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3104.920046][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3104.920046][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3104.920046][ T10] addrconf_dad_begin+0x310/0x670 [ 3104.920046][ T10] addrconf_dad_work+0x10b/0xab0 [ 3104.920046][ T10] process_one_work+0x84d/0x18a0 [ 3104.920046][ T10] worker_thread+0x587/0xd30 [ 3104.920046][ T10] kthread+0x28a/0x350 [ 3104.920046][ T10] ret_from_fork+0x31/0x70 [ 3104.920046][ T10] ret_from_fork_asm+0x1a/0x30 [ 3104.920046][ T10] [ 3104.921937][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3104.921937][ T10] netdev_get_by_index+0x5e/0x80 [ 3104.921937][ T10] fib6_nh_init+0x3d8/0x1580 [ 3104.921937][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3104.921937][ T10] ip6_route_add+0x1c/0x140 [ 3104.921937][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3104.921937][ T10] inet6_addr_add+0x4f8/0xa40 [ 3104.921937][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3104.921937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3104.921937][ T10] netlink_rcv_skb+0x130/0x360 [ 3104.921937][ T10] netlink_unicast+0x449/0x710 [ 3104.921937][ T10] netlink_sendmsg+0x723/0xbe0 [ 3104.921937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3104.921937][ T10] ___sys_sendmsg+0xee/0x170 [ 3104.921937][ T10] __sys_sendmsg+0xcd/0x170 [ 3104.921937][ T10] do_syscall_64+0xc6/0x1e0 [ 3104.921937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3104.921937][ T10] [ 3104.924071][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3104.924071][ T10] netdev_get_by_index+0x5e/0x80 [ 3104.924071][ T10] fib6_nh_init+0x3d8/0x1580 [ 3104.924071][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3104.924071][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3104.924071][ T10] ipv6_add_addr+0x411/0x2000 [ 3104.924071][ T10] inet6_addr_add+0x30e/0xa40 [ 3104.924071][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3104.924071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3104.924071][ T10] netlink_rcv_skb+0x130/0x360 [ 3104.924071][ T10] netlink_unicast+0x449/0x710 [ 3104.924071][ T10] netlink_sendmsg+0x723/0xbe0 [ 3104.924071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3104.924071][ T10] ___sys_sendmsg+0xee/0x170 [ 3104.924071][ T10] __sys_sendmsg+0xcd/0x170 [ 3104.924071][ T10] do_syscall_64+0xc6/0x1e0 [ 3104.924071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3104.924071][ T10] [ 3104.926186][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3104.926186][ T10] netdev_get_by_index+0x5e/0x80 [ 3104.926186][ T10] fib6_nh_init+0x3d8/0x1580 [ 3104.926186][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3104.926186][ T10] ip6_route_add+0x1c/0x140 [ 3104.926186][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3104.926186][ T10] addrconf_add_dev+0xe2/0x170 [ 3104.926186][ T10] inet6_addr_add+0x12f/0xa40 [ 3104.926186][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3104.926186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3104.926186][ T10] netlink_rcv_skb+0x130/0x360 [ 3104.926186][ T10] netlink_unicast+0x449/0x710 [ 3104.926186][ T10] netlink_sendmsg+0x723/0xbe0 [ 3104.926186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3104.926186][ T10] ___sys_sendmsg+0xee/0x170 [ 3104.926186][ T10] __sys_sendmsg+0xcd/0x170 [ 3104.926186][ T10] do_syscall_64+0xc6/0x1e0 [ 3104.926186][ T10] [ 3104.928265][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3104.928265][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3104.928265][ T10] ipv6_find_idev+0x102/0x170 [ 3104.928265][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3104.928265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3104.928265][ T10] netlink_rcv_skb+0x130/0x360 [ 3104.928265][ T10] netlink_unicast+0x449/0x710 [ 3104.928265][ T10] netlink_sendmsg+0x723/0xbe0 [ 3104.928265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3104.928265][ T10] ___sys_sendmsg+0xee/0x170 [ 3104.928265][ T10] __sys_sendmsg+0xcd/0x170 [ 3104.928265][ T10] do_syscall_64+0xc6/0x1e0 [ 3104.928265][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3104.928265][ T10] [ 3104.929923][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3104.929923][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3104.929923][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3104.929923][ T10] ipv6_find_idev+0x102/0x170 [ 3104.929923][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3104.929923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3104.929923][ T10] netlink_rcv_skb+0x130/0x360 [ 3104.929923][ T10] netlink_unicast+0x449/0x710 [ 3104.929923][ T10] netlink_sendmsg+0x723/0xbe0 [ 3104.929923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3104.929923][ T10] ___sys_sendmsg+0xee/0x170 [ 3104.929923][ T10] __sys_sendmsg+0xcd/0x170 [ 3104.929923][ T10] do_syscall_64+0xc6/0x1e0 [ 3104.929923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3104.929923][ T10] [ 3104.931657][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3104.931890][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3104.931890][ T10] netdev_get_by_index+0x5e/0x80 [ 3104.931890][ T10] fib6_nh_init+0x3d8/0x1580 [ 3104.931890][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3104.931890][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3104.931890][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3104.931890][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3104.931890][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3104.931890][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3104.931890][ T10] addrconf_dad_begin+0x310/0x670 [ 3104.931890][ T10] addrconf_dad_work+0x10b/0xab0 [ 3104.931890][ T10] process_one_work+0x84d/0x18a0 [ 3104.931890][ T10] worker_thread+0x587/0xd30 [ 3104.931890][ T10] kthread+0x28a/0x350 [ 3104.931890][ T10] ret_from_fork+0x31/0x70 [ 3104.931890][ T10] ret_from_fork_asm+0x1a/0x30 [ 3104.931890][ T10] [ 3104.934361][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3104.934361][ T10] netdev_get_by_index+0x5e/0x80 [ 3104.934361][ T10] fib6_nh_init+0x3d8/0x1580 [ 3104.934361][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3104.934361][ T10] ip6_route_add+0x1c/0x140 [ 3104.934361][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3104.934361][ T10] inet6_addr_add+0x4f8/0xa40 [ 3104.934361][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3104.934361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3104.934361][ T10] netlink_rcv_skb+0x130/0x360 [ 3104.934361][ T10] netlink_unicast+0x449/0x710 [ 3104.934361][ T10] netlink_sendmsg+0x723/0xbe0 [ 3104.934361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3104.934361][ T10] ___sys_sendmsg+0xee/0x170 [ 3104.934361][ T10] __sys_sendmsg+0xcd/0x170 [ 3104.934361][ T10] do_syscall_64+0xc6/0x1e0 [ 3104.934361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3104.934361][ T10] [ 3104.936483][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3104.936483][ T10] netdev_get_by_index+0x5e/0x80 [ 3104.936483][ T10] fib6_nh_init+0x3d8/0x1580 [ 3104.936483][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3104.936483][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3104.936483][ T10] ipv6_add_addr+0x411/0x2000 [ 3104.936483][ T10] inet6_addr_add+0x30e/0xa40 [ 3104.936483][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3104.936483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3104.936483][ T10] netlink_rcv_skb+0x130/0x360 [ 3104.936483][ T10] netlink_unicast+0x449/0x710 [ 3104.936483][ T10] netlink_sendmsg+0x723/0xbe0 [ 3104.936483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3104.936483][ T10] ___sys_sendmsg+0xee/0x170 [ 3104.936483][ T10] __sys_sendmsg+0xcd/0x170 [ 3104.936483][ T10] do_syscall_64+0xc6/0x1e0 [ 3104.936483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3104.936483][ T10] [ 3104.938689][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3104.938689][ T10] netdev_get_by_index+0x5e/0x80 [ 3104.938689][ T10] fib6_nh_init+0x3d8/0x1580 [ 3104.938689][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3104.938689][ T10] ip6_route_add+0x1c/0x140 [ 3104.938689][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3104.938689][ T10] addrconf_add_dev+0xe2/0x170 [ 3104.938689][ T10] inet6_addr_add+0x12f/0xa40 [ 3104.938689][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3104.938689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3104.938689][ T10] netlink_rcv_skb+0x130/0x360 [ 3104.938689][ T10] netlink_unicast+0x449/0x710 [ 3104.938689][ T10] netlink_sendmsg+0x723/0xbe0 [ 3104.938689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3104.938689][ T10] ___sys_sendmsg+0xee/0x170 [ 3104.938689][ T10] __sys_sendmsg+0xcd/0x170 [ 3104.938689][ T10] do_syscall_64+0xc6/0x1e0 [ 3104.938689][ T10] [ 3104.940871][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3104.940871][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3104.940871][ T10] ipv6_find_idev+0x102/0x170 [ 3104.940871][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3104.940871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3104.940871][ T10] netlink_rcv_skb+0x130/0x360 [ 3104.940871][ T10] netlink_unicast+0x449/0x710 [ 3104.940871][ T10] netlink_sendmsg+0x723/0xbe0 [ 3104.940871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3104.940871][ T10] ___sys_sendmsg+0xee/0x170 [ 3104.940871][ T10] __sys_sendmsg+0xcd/0x170 [ 3104.940871][ T10] do_syscall_64+0xc6/0x1e0 [ 3104.940871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3104.940871][ T10] [ 3104.942466][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3104.942466][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3104.942466][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3104.942466][ T10] ipv6_find_idev+0x102/0x170 [ 3104.942466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3104.942466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3104.942466][ T10] netlink_rcv_skb+0x130/0x360 [ 3104.942466][ T10] netlink_unicast+0x449/0x710 [ 3104.942466][ T10] netlink_sendmsg+0x723/0xbe0 [ 3104.942466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3104.942466][ T10] ___sys_sendmsg+0xee/0x170 [ 3104.942466][ T10] __sys_sendmsg+0xcd/0x170 [ 3104.942466][ T10] do_syscall_64+0xc6/0x1e0 [ 3104.942466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3104.942466][ T10] [ 3106.457134][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3106.457628][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3106.457628][ T1167] dst_init+0x84/0x4a0 [ 3106.457628][ T1167] dst_alloc+0x97/0x150 [ 3106.457628][ T1167] ip6_dst_alloc+0x23/0x90 [ 3106.457628][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3106.457628][ T1167] ip6_pol_route+0x56f/0x840 [ 3106.457628][ T1167] fib6_rule_lookup+0x334/0x630 [ 3106.457628][ T1167] ip6_route_output_flags+0x259/0x480 [ 3106.457628][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3106.457628][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3106.457628][ T1167] netlink_rcv_skb+0x130/0x360 [ 3106.457628][ T1167] netlink_unicast+0x449/0x710 [ 3106.457628][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3106.457628][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3106.457628][ T1167] ___sys_sendmsg+0xee/0x170 [ 3106.457628][ T1167] __sys_sendmsg+0xcd/0x170 [ 3106.457628][ T1167] do_syscall_64+0xc6/0x1e0 [ 3106.457628][ T1167] [ 3106.459853][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3106.459853][ T1167] netdev_get_by_index+0x5e/0x80 [ 3106.459853][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3106.459853][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3106.459853][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3106.459853][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3106.459853][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3106.459853][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3106.459853][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3106.459853][ T1167] addrconf_dad_begin+0x310/0x670 [ 3106.459853][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3106.459853][ T1167] process_one_work+0x84d/0x18a0 [ 3106.459853][ T1167] worker_thread+0x587/0xd30 [ 3106.459853][ T1167] kthread+0x28a/0x350 [ 3106.459853][ T1167] ret_from_fork+0x31/0x70 [ 3106.459853][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3106.459853][ T1167] [ 3106.462026][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3106.462026][ T1167] netdev_get_by_index+0x5e/0x80 [ 3106.462026][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3106.462026][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3106.462026][ T1167] ip6_route_add+0x1c/0x140 [ 3106.462026][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3106.462026][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3106.462026][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3106.462026][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.462026][ T1167] netlink_rcv_skb+0x130/0x360 [ 3106.462026][ T1167] netlink_unicast+0x449/0x710 [ 3106.462026][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3106.462026][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3106.462026][ T1167] ___sys_sendmsg+0xee/0x170 [ 3106.462026][ T1167] __sys_sendmsg+0xcd/0x170 [ 3106.462026][ T1167] do_syscall_64+0xc6/0x1e0 [ 3106.462026][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.462026][ T1167] [ 3106.464308][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3106.464308][ T1167] netdev_get_by_index+0x5e/0x80 [ 3106.464308][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3106.464308][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3106.464308][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3106.464308][ T1167] ipv6_add_addr+0x411/0x2000 [ 3106.464308][ T1167] inet6_addr_add+0x30e/0xa40 [ 3106.464308][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3106.464308][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.464308][ T1167] netlink_rcv_skb+0x130/0x360 [ 3106.464308][ T1167] netlink_unicast+0x449/0x710 [ 3106.464308][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3106.464308][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3106.464308][ T1167] ___sys_sendmsg+0xee/0x170 [ 3106.464308][ T1167] __sys_sendmsg+0xcd/0x170 [ 3106.464308][ T1167] do_syscall_64+0xc6/0x1e0 [ 3106.464308][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.464308][ T1167] [ 3106.466558][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3106.466558][ T1167] netdev_get_by_index+0x5e/0x80 [ 3106.466558][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3106.466558][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3106.466558][ T1167] ip6_route_add+0x1c/0x140 [ 3106.466558][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3106.466558][ T1167] addrconf_add_dev+0xe2/0x170 [ 3106.466558][ T1167] inet6_addr_add+0x12f/0xa40 [ 3106.466558][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3106.466558][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.466558][ T1167] netlink_rcv_skb+0x130/0x360 [ 3106.466558][ T1167] netlink_unicast+0x449/0x710 [ 3106.466558][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3106.466558][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3106.466558][ T1167] ___sys_sendmsg+0xee/0x170 [ 3106.466558][ T1167] __sys_sendmsg+0xcd/0x170 [ 3106.466558][ T1167] do_syscall_64+0xc6/0x1e0 [ 3106.466558][ T1167] [ 3106.468796][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3106.468796][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3106.468796][ T1167] ipv6_find_idev+0x102/0x170 [ 3106.468796][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3106.468796][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.468796][ T1167] netlink_rcv_skb+0x130/0x360 [ 3106.468796][ T1167] netlink_unicast+0x449/0x710 [ 3106.468796][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3106.468796][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3106.468796][ T1167] ___sys_sendmsg+0xee/0x170 [ 3106.468796][ T1167] __sys_sendmsg+0xcd/0x170 [ 3106.468796][ T1167] do_syscall_64+0xc6/0x1e0 [ 3106.468796][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.468796][ T1167] [ 3106.470535][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3106.470535][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3106.470535][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3106.470535][ T1167] ipv6_find_idev+0x102/0x170 [ 3106.470535][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3106.470535][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.470535][ T1167] netlink_rcv_skb+0x130/0x360 [ 3106.470535][ T1167] netlink_unicast+0x449/0x710 [ 3106.470535][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3106.470535][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3106.470535][ T1167] ___sys_sendmsg+0xee/0x170 [ 3106.470535][ T1167] __sys_sendmsg+0xcd/0x170 [ 3106.470535][ T1167] do_syscall_64+0xc6/0x1e0 [ 3106.470535][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.470535][ T1167] [ 3115.105165][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3115.105578][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3115.105578][ T10] netdev_get_by_index+0x5e/0x80 [ 3115.105578][ T10] fib6_nh_init+0x3d8/0x1580 [ 3115.105578][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3115.105578][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3115.105578][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3115.105578][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3115.105578][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3115.105578][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3115.105578][ T10] addrconf_dad_begin+0x310/0x670 [ 3115.105578][ T10] addrconf_dad_work+0x10b/0xab0 [ 3115.105578][ T10] process_one_work+0x84d/0x18a0 [ 3115.105578][ T10] worker_thread+0x587/0xd30 [ 3115.105578][ T10] kthread+0x28a/0x350 [ 3115.105578][ T10] ret_from_fork+0x31/0x70 [ 3115.105578][ T10] ret_from_fork_asm+0x1a/0x30 [ 3115.105578][ T10] [ 3115.108003][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3115.108003][ T10] netdev_get_by_index+0x5e/0x80 [ 3115.108003][ T10] fib6_nh_init+0x3d8/0x1580 [ 3115.108003][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3115.108003][ T10] ip6_route_add+0x1c/0x140 [ 3115.108003][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3115.108003][ T10] inet6_addr_add+0x4f8/0xa40 [ 3115.108003][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3115.108003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3115.108003][ T10] netlink_rcv_skb+0x130/0x360 [ 3115.108003][ T10] netlink_unicast+0x449/0x710 [ 3115.108003][ T10] netlink_sendmsg+0x723/0xbe0 [ 3115.108003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3115.108003][ T10] ___sys_sendmsg+0xee/0x170 [ 3115.108003][ T10] __sys_sendmsg+0xcd/0x170 [ 3115.108003][ T10] do_syscall_64+0xc6/0x1e0 [ 3115.108003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3115.108003][ T10] [ 3115.109982][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3115.109982][ T10] netdev_get_by_index+0x5e/0x80 [ 3115.109982][ T10] fib6_nh_init+0x3d8/0x1580 [ 3115.109982][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3115.109982][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3115.109982][ T10] ipv6_add_addr+0x411/0x2000 [ 3115.109982][ T10] inet6_addr_add+0x30e/0xa40 [ 3115.109982][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3115.109982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3115.109982][ T10] netlink_rcv_skb+0x130/0x360 [ 3115.109982][ T10] netlink_unicast+0x449/0x710 [ 3115.109982][ T10] netlink_sendmsg+0x723/0xbe0 [ 3115.109982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3115.109982][ T10] ___sys_sendmsg+0xee/0x170 [ 3115.109982][ T10] __sys_sendmsg+0xcd/0x170 [ 3115.109982][ T10] do_syscall_64+0xc6/0x1e0 [ 3115.109982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3115.109982][ T10] [ 3115.112335][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3115.112335][ T10] netdev_get_by_index+0x5e/0x80 [ 3115.112335][ T10] fib6_nh_init+0x3d8/0x1580 [ 3115.112335][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3115.112335][ T10] ip6_route_add+0x1c/0x140 [ 3115.112335][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3115.112335][ T10] addrconf_add_dev+0xe2/0x170 [ 3115.112335][ T10] inet6_addr_add+0x12f/0xa40 [ 3115.112335][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3115.112335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3115.112335][ T10] netlink_rcv_skb+0x130/0x360 [ 3115.112335][ T10] netlink_unicast+0x449/0x710 [ 3115.112335][ T10] netlink_sendmsg+0x723/0xbe0 [ 3115.112335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3115.112335][ T10] ___sys_sendmsg+0xee/0x170 [ 3115.112335][ T10] __sys_sendmsg+0xcd/0x170 [ 3115.112335][ T10] do_syscall_64+0xc6/0x1e0 [ 3115.112335][ T10] [ 3115.114287][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3115.114287][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3115.114287][ T10] ipv6_find_idev+0x102/0x170 [ 3115.114287][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3115.114287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3115.114287][ T10] netlink_rcv_skb+0x130/0x360 [ 3115.114287][ T10] netlink_unicast+0x449/0x710 [ 3115.114287][ T10] netlink_sendmsg+0x723/0xbe0 [ 3115.114287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3115.114287][ T10] ___sys_sendmsg+0xee/0x170 [ 3115.114287][ T10] __sys_sendmsg+0xcd/0x170 [ 3115.114287][ T10] do_syscall_64+0xc6/0x1e0 [ 3115.114287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3115.114287][ T10] [ 3115.115806][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3115.115806][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3115.115806][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3115.115806][ T10] ipv6_find_idev+0x102/0x170 [ 3115.115806][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3115.115806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3115.115806][ T10] netlink_rcv_skb+0x130/0x360 [ 3115.115806][ T10] netlink_unicast+0x449/0x710 [ 3115.115806][ T10] netlink_sendmsg+0x723/0xbe0 [ 3115.115806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3115.115806][ T10] ___sys_sendmsg+0xee/0x170 [ 3115.115806][ T10] __sys_sendmsg+0xcd/0x170 [ 3115.115806][ T10] do_syscall_64+0xc6/0x1e0 [ 3115.115806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3115.115806][ T10] [ 3115.117481][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3115.117720][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3115.117720][ T10] netdev_get_by_index+0x5e/0x80 [ 3115.117720][ T10] fib6_nh_init+0x3d8/0x1580 [ 3115.117720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3115.117720][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3115.117720][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3115.117720][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3115.117720][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3115.117720][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3115.117720][ T10] addrconf_dad_begin+0x310/0x670 [ 3115.117720][ T10] addrconf_dad_work+0x10b/0xab0 [ 3115.117720][ T10] process_one_work+0x84d/0x18a0 [ 3115.117720][ T10] worker_thread+0x587/0xd30 [ 3115.117720][ T10] kthread+0x28a/0x350 [ 3115.117720][ T10] ret_from_fork+0x31/0x70 [ 3115.117720][ T10] ret_from_fork_asm+0x1a/0x30 [ 3115.117720][ T10] [ 3115.119609][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3115.119609][ T10] netdev_get_by_index+0x5e/0x80 [ 3115.119609][ T10] fib6_nh_init+0x3d8/0x1580 [ 3115.119609][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3115.119609][ T10] ip6_route_add+0x1c/0x140 [ 3115.119609][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3115.119609][ T10] inet6_addr_add+0x4f8/0xa40 [ 3115.119609][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3115.119609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3115.119609][ T10] netlink_rcv_skb+0x130/0x360 [ 3115.119609][ T10] netlink_unicast+0x449/0x710 [ 3115.119609][ T10] netlink_sendmsg+0x723/0xbe0 [ 3115.119609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3115.119609][ T10] ___sys_sendmsg+0xee/0x170 [ 3115.119609][ T10] __sys_sendmsg+0xcd/0x170 [ 3115.119609][ T10] do_syscall_64+0xc6/0x1e0 [ 3115.119609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3115.119609][ T10] [ 3115.121593][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3115.121593][ T10] netdev_get_by_index+0x5e/0x80 [ 3115.121593][ T10] fib6_nh_init+0x3d8/0x1580 [ 3115.121593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3115.121593][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3115.121593][ T10] ipv6_add_addr+0x411/0x2000 [ 3115.121593][ T10] inet6_addr_add+0x30e/0xa40 [ 3115.121593][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3115.121593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3115.121593][ T10] netlink_rcv_skb+0x130/0x360 [ 3115.121593][ T10] netlink_unicast+0x449/0x710 [ 3115.121593][ T10] netlink_sendmsg+0x723/0xbe0 [ 3115.121593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3115.121593][ T10] ___sys_sendmsg+0xee/0x170 [ 3115.121593][ T10] __sys_sendmsg+0xcd/0x170 [ 3115.121593][ T10] do_syscall_64+0xc6/0x1e0 [ 3115.121593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3115.121593][ T10] [ 3115.123569][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3115.123569][ T10] netdev_get_by_index+0x5e/0x80 [ 3115.123569][ T10] fib6_nh_init+0x3d8/0x1580 [ 3115.123569][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3115.123569][ T10] ip6_route_add+0x1c/0x140 [ 3115.123569][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3115.123569][ T10] addrconf_add_dev+0xe2/0x170 [ 3115.123569][ T10] inet6_addr_add+0x12f/0xa40 [ 3115.123569][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3115.123569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3115.123569][ T10] netlink_rcv_skb+0x130/0x360 [ 3115.123569][ T10] netlink_unicast+0x449/0x710 [ 3115.123569][ T10] netlink_sendmsg+0x723/0xbe0 [ 3115.123569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3115.123569][ T10] ___sys_sendmsg+0xee/0x170 [ 3115.123569][ T10] __sys_sendmsg+0xcd/0x170 [ 3115.123569][ T10] do_syscall_64+0xc6/0x1e0 [ 3115.123569][ T10] [ 3115.125506][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3115.125506][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3115.125506][ T10] ipv6_find_idev+0x102/0x170 [ 3115.125506][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3115.125506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3115.125506][ T10] netlink_rcv_skb+0x130/0x360 [ 3115.125506][ T10] netlink_unicast+0x449/0x710 [ 3115.125506][ T10] netlink_sendmsg+0x723/0xbe0 [ 3115.125506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3115.125506][ T10] ___sys_sendmsg+0xee/0x170 [ 3115.125506][ T10] __sys_sendmsg+0xcd/0x170 [ 3115.125506][ T10] do_syscall_64+0xc6/0x1e0 [ 3115.125506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3115.125506][ T10] [ 3115.127019][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3115.127019][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3115.127019][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3115.127019][ T10] ipv6_find_idev+0x102/0x170 [ 3115.127019][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3115.127019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3115.127019][ T10] netlink_rcv_skb+0x130/0x360 [ 3115.127019][ T10] netlink_unicast+0x449/0x710 [ 3115.127019][ T10] netlink_sendmsg+0x723/0xbe0 [ 3115.127019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3115.127019][ T10] ___sys_sendmsg+0xee/0x170 [ 3115.127019][ T10] __sys_sendmsg+0xcd/0x170 [ 3115.127019][ T10] do_syscall_64+0xc6/0x1e0 [ 3115.127019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3115.127019][ T10] [ 3115.128678][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3115.128922][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3115.128922][ T10] netdev_get_by_index+0x5e/0x80 [ 3115.128922][ T10] fib6_nh_init+0x3d8/0x1580 [ 3115.128922][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3115.128922][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3115.128922][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3115.128922][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3115.128922][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3115.128922][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3115.128922][ T10] addrconf_dad_begin+0x310/0x670 [ 3115.128922][ T10] addrconf_dad_work+0x10b/0xab0 [ 3115.128922][ T10] process_one_work+0x84d/0x18a0 [ 3115.128922][ T10] worker_thread+0x587/0xd30 [ 3115.128922][ T10] kthread+0x28a/0x350 [ 3115.128922][ T10] ret_from_fork+0x31/0x70 [ 3115.128922][ T10] ret_from_fork_asm+0x1a/0x30 [ 3115.128922][ T10] [ 3115.130808][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3115.130808][ T10] netdev_get_by_index+0x5e/0x80 [ 3115.130808][ T10] fib6_nh_init+0x3d8/0x1580 [ 3115.130808][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3115.130808][ T10] ip6_route_add+0x1c/0x140 [ 3115.130808][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3115.130808][ T10] inet6_addr_add+0x4f8/0xa40 [ 3115.130808][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3115.130808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3115.130808][ T10] netlink_rcv_skb+0x130/0x360 [ 3115.130808][ T10] netlink_unicast+0x449/0x710 [ 3115.130808][ T10] netlink_sendmsg+0x723/0xbe0 [ 3115.130808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3115.130808][ T10] ___sys_sendmsg+0xee/0x170 [ 3115.130808][ T10] __sys_sendmsg+0xcd/0x170 [ 3115.130808][ T10] do_syscall_64+0xc6/0x1e0 [ 3115.130808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3115.130808][ T10] [ 3115.132970][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3115.132970][ T10] netdev_get_by_index+0x5e/0x80 [ 3115.132970][ T10] fib6_nh_init+0x3d8/0x1580 [ 3115.132970][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3115.132970][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3115.132970][ T10] ipv6_add_addr+0x411/0x2000 [ 3115.132970][ T10] inet6_addr_add+0x30e/0xa40 [ 3115.132970][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3115.132970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3115.132970][ T10] netlink_rcv_skb+0x130/0x360 [ 3115.132970][ T10] netlink_unicast+0x449/0x710 [ 3115.132970][ T10] netlink_sendmsg+0x723/0xbe0 [ 3115.132970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3115.132970][ T10] ___sys_sendmsg+0xee/0x170 [ 3115.132970][ T10] __sys_sendmsg+0xcd/0x170 [ 3115.132970][ T10] do_syscall_64+0xc6/0x1e0 [ 3115.132970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3115.132970][ T10] [ 3115.135193][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3115.135193][ T10] netdev_get_by_index+0x5e/0x80 [ 3115.135193][ T10] fib6_nh_init+0x3d8/0x1580 [ 3115.135193][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3115.135193][ T10] ip6_route_add+0x1c/0x140 [ 3115.135193][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3115.135193][ T10] addrconf_add_dev+0xe2/0x170 [ 3115.135193][ T10] inet6_addr_add+0x12f/0xa40 [ 3115.135193][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3115.135193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3115.135193][ T10] netlink_rcv_skb+0x130/0x360 [ 3115.135193][ T10] netlink_unicast+0x449/0x710 [ 3115.135193][ T10] netlink_sendmsg+0x723/0xbe0 [ 3115.135193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3115.135193][ T10] ___sys_sendmsg+0xee/0x170 [ 3115.135193][ T10] __sys_sendmsg+0xcd/0x170 [ 3115.135193][ T10] do_syscall_64+0xc6/0x1e0 [ 3115.135193][ T10] [ 3115.137443][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3115.137443][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3115.137443][ T10] ipv6_find_idev+0x102/0x170 [ 3115.137443][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3115.137443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3115.137443][ T10] netlink_rcv_skb+0x130/0x360 [ 3115.137443][ T10] netlink_unicast+0x449/0x710 [ 3115.137443][ T10] netlink_sendmsg+0x723/0xbe0 [ 3115.137443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3115.137443][ T10] ___sys_sendmsg+0xee/0x170 [ 3115.137443][ T10] __sys_sendmsg+0xcd/0x170 [ 3115.137443][ T10] do_syscall_64+0xc6/0x1e0 [ 3115.137443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3115.137443][ T10] [ 3115.139150][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3115.139150][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3115.139150][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3115.139150][ T10] ipv6_find_idev+0x102/0x170 [ 3115.139150][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3115.139150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3115.139150][ T10] netlink_rcv_skb+0x130/0x360 [ 3115.139150][ T10] netlink_unicast+0x449/0x710 [ 3115.139150][ T10] netlink_sendmsg+0x723/0xbe0 [ 3115.139150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3115.139150][ T10] ___sys_sendmsg+0xee/0x170 [ 3115.139150][ T10] __sys_sendmsg+0xcd/0x170 [ 3115.139150][ T10] do_syscall_64+0xc6/0x1e0 [ 3115.139150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3115.139150][ T10] [ 3115.140931][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3115.141624][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3115.141624][ T10] netdev_get_by_index+0x5e/0x80 [ 3115.141624][ T10] fib6_nh_init+0x3d8/0x1580 [ 3115.141624][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3115.141624][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3115.141624][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3115.141624][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3115.141624][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3115.141624][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3115.141624][ T10] addrconf_dad_begin+0x310/0x670 [ 3115.141624][ T10] addrconf_dad_work+0x10b/0xab0 [ 3115.141624][ T10] process_one_work+0x84d/0x18a0 [ 3115.141624][ T10] worker_thread+0x587/0xd30 [ 3115.141624][ T10] kthread+0x28a/0x350 [ 3115.141624][ T10] ret_from_fork+0x31/0x70 [ 3115.141624][ T10] ret_from_fork_asm+0x1a/0x30 [ 3115.141624][ T10] [ 3115.143533][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3115.143533][ T10] netdev_get_by_index+0x5e/0x80 [ 3115.143533][ T10] fib6_nh_init+0x3d8/0x1580 [ 3115.143533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3115.143533][ T10] ip6_route_add+0x1c/0x140 [ 3115.143533][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3115.143533][ T10] inet6_addr_add+0x4f8/0xa40 [ 3115.143533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3115.143533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3115.143533][ T10] netlink_rcv_skb+0x130/0x360 [ 3115.143533][ T10] netlink_unicast+0x449/0x710 [ 3115.143533][ T10] netlink_sendmsg+0x723/0xbe0 [ 3115.143533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3115.143533][ T10] ___sys_sendmsg+0xee/0x170 [ 3115.143533][ T10] __sys_sendmsg+0xcd/0x170 [ 3115.143533][ T10] do_syscall_64+0xc6/0x1e0 [ 3115.143533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3115.143533][ T10] [ 3115.145625][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3115.145625][ T10] netdev_get_by_index+0x5e/0x80 [ 3115.145625][ T10] fib6_nh_init+0x3d8/0x1580 [ 3115.145625][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3115.145625][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3115.145625][ T10] ipv6_add_addr+0x411/0x2000 [ 3115.145625][ T10] inet6_addr_add+0x30e/0xa40 [ 3115.145625][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3115.145625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3115.145625][ T10] netlink_rcv_skb+0x130/0x360 [ 3115.145625][ T10] netlink_unicast+0x449/0x710 [ 3115.145625][ T10] netlink_sendmsg+0x723/0xbe0 [ 3115.145625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3115.145625][ T10] ___sys_sendmsg+0xee/0x170 [ 3115.145625][ T10] __sys_sendmsg+0xcd/0x170 [ 3115.145625][ T10] do_syscall_64+0xc6/0x1e0 [ 3115.145625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3115.145625][ T10] [ 3115.147846][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3115.147846][ T10] netdev_get_by_index+0x5e/0x80 [ 3115.147846][ T10] fib6_nh_init+0x3d8/0x1580 [ 3115.147846][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3115.147846][ T10] ip6_route_add+0x1c/0x140 [ 3115.147846][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3115.147846][ T10] addrconf_add_dev+0xe2/0x170 [ 3115.147846][ T10] inet6_addr_add+0x12f/0xa40 [ 3115.147846][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3115.147846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3115.147846][ T10] netlink_rcv_skb+0x130/0x360 [ 3115.147846][ T10] netlink_unicast+0x449/0x710 [ 3115.147846][ T10] netlink_sendmsg+0x723/0xbe0 [ 3115.147846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3115.147846][ T10] ___sys_sendmsg+0xee/0x170 [ 3115.147846][ T10] __sys_sendmsg+0xcd/0x170 [ 3115.147846][ T10] do_syscall_64+0xc6/0x1e0 [ 3115.147846][ T10] [ 3115.150029][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3115.150029][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3115.150029][ T10] ipv6_find_idev+0x102/0x170 [ 3115.150029][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3115.150029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3115.150029][ T10] netlink_rcv_skb+0x130/0x360 [ 3115.150029][ T10] netlink_unicast+0x449/0x710 [ 3115.150029][ T10] netlink_sendmsg+0x723/0xbe0 [ 3115.150029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3115.150029][ T10] ___sys_sendmsg+0xee/0x170 [ 3115.150029][ T10] __sys_sendmsg+0xcd/0x170 [ 3115.150029][ T10] do_syscall_64+0xc6/0x1e0 [ 3115.150029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3115.150029][ T10] [ 3115.151743][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3115.151743][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3115.151743][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3115.151743][ T10] ipv6_find_idev+0x102/0x170 [ 3115.151743][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3115.151743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3115.151743][ T10] netlink_rcv_skb+0x130/0x360 [ 3115.151743][ T10] netlink_unicast+0x449/0x710 [ 3115.151743][ T10] netlink_sendmsg+0x723/0xbe0 [ 3115.151743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3115.151743][ T10] ___sys_sendmsg+0xee/0x170 [ 3115.151743][ T10] __sys_sendmsg+0xcd/0x170 [ 3115.151743][ T10] do_syscall_64+0xc6/0x1e0 [ 3115.151743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3115.151743][ T10] [ 3116.641122][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3116.641553][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3116.641553][ T1167] dst_init+0x84/0x4a0 [ 3116.641553][ T1167] dst_alloc+0x97/0x150 [ 3116.641553][ T1167] ip6_dst_alloc+0x23/0x90 [ 3116.641553][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3116.641553][ T1167] ip6_pol_route+0x56f/0x840 [ 3116.641553][ T1167] fib6_rule_lookup+0x334/0x630 [ 3116.641553][ T1167] ip6_route_output_flags+0x259/0x480 [ 3116.641553][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3116.641553][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3116.641553][ T1167] netlink_rcv_skb+0x130/0x360 [ 3116.641553][ T1167] netlink_unicast+0x449/0x710 [ 3116.641553][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3116.641553][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3116.641553][ T1167] ___sys_sendmsg+0xee/0x170 [ 3116.641553][ T1167] __sys_sendmsg+0xcd/0x170 [ 3116.641553][ T1167] do_syscall_64+0xc6/0x1e0 [ 3116.641553][ T1167] [ 3116.643782][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3116.643782][ T1167] netdev_get_by_index+0x5e/0x80 [ 3116.643782][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3116.643782][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3116.643782][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3116.643782][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3116.643782][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3116.643782][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3116.643782][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3116.643782][ T1167] addrconf_dad_begin+0x310/0x670 [ 3116.643782][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3116.643782][ T1167] process_one_work+0x84d/0x18a0 [ 3116.643782][ T1167] worker_thread+0x587/0xd30 [ 3116.643782][ T1167] kthread+0x28a/0x350 [ 3116.643782][ T1167] ret_from_fork+0x31/0x70 [ 3116.643782][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3116.643782][ T1167] [ 3116.645942][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3116.645942][ T1167] netdev_get_by_index+0x5e/0x80 [ 3116.645942][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3116.645942][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3116.645942][ T1167] ip6_route_add+0x1c/0x140 [ 3116.645942][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3116.645942][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3116.645942][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3116.645942][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3116.645942][ T1167] netlink_rcv_skb+0x130/0x360 [ 3116.645942][ T1167] netlink_unicast+0x449/0x710 [ 3116.645942][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3116.645942][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3116.645942][ T1167] ___sys_sendmsg+0xee/0x170 [ 3116.645942][ T1167] __sys_sendmsg+0xcd/0x170 [ 3116.645942][ T1167] do_syscall_64+0xc6/0x1e0 [ 3116.645942][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3116.645942][ T1167] [ 3116.648201][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3116.648201][ T1167] netdev_get_by_index+0x5e/0x80 [ 3116.648201][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3116.648201][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3116.648201][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3116.648201][ T1167] ipv6_add_addr+0x411/0x2000 [ 3116.648201][ T1167] inet6_addr_add+0x30e/0xa40 [ 3116.648201][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3116.648201][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3116.648201][ T1167] netlink_rcv_skb+0x130/0x360 [ 3116.648201][ T1167] netlink_unicast+0x449/0x710 [ 3116.648201][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3116.648201][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3116.648201][ T1167] ___sys_sendmsg+0xee/0x170 [ 3116.648201][ T1167] __sys_sendmsg+0xcd/0x170 [ 3116.648201][ T1167] do_syscall_64+0xc6/0x1e0 [ 3116.648201][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3116.648201][ T1167] [ 3116.650478][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3116.650478][ T1167] netdev_get_by_index+0x5e/0x80 [ 3116.650478][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3116.650478][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3116.650478][ T1167] ip6_route_add+0x1c/0x140 [ 3116.650478][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3116.650478][ T1167] addrconf_add_dev+0xe2/0x170 [ 3116.650478][ T1167] inet6_addr_add+0x12f/0xa40 [ 3116.650478][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3116.650478][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3116.650478][ T1167] netlink_rcv_skb+0x130/0x360 [ 3116.650478][ T1167] netlink_unicast+0x449/0x710 [ 3116.650478][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3116.650478][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3116.650478][ T1167] ___sys_sendmsg+0xee/0x170 [ 3116.650478][ T1167] __sys_sendmsg+0xcd/0x170 [ 3116.650478][ T1167] do_syscall_64+0xc6/0x1e0 [ 3116.650478][ T1167] [ 3116.652696][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3116.652696][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3116.652696][ T1167] ipv6_find_idev+0x102/0x170 [ 3116.652696][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3116.652696][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3116.652696][ T1167] netlink_rcv_skb+0x130/0x360 [ 3116.652696][ T1167] netlink_unicast+0x449/0x710 [ 3116.652696][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3116.652696][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3116.652696][ T1167] ___sys_sendmsg+0xee/0x170 [ 3116.652696][ T1167] __sys_sendmsg+0xcd/0x170 [ 3116.652696][ T1167] do_syscall_64+0xc6/0x1e0 [ 3116.652696][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3116.652696][ T1167] [ 3116.654449][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3116.654449][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3116.654449][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3116.654449][ T1167] ipv6_find_idev+0x102/0x170 [ 3116.654449][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3116.654449][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3116.654449][ T1167] netlink_rcv_skb+0x130/0x360 [ 3116.654449][ T1167] netlink_unicast+0x449/0x710 [ 3116.654449][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3116.654449][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3116.654449][ T1167] ___sys_sendmsg+0xee/0x170 [ 3116.654449][ T1167] __sys_sendmsg+0xcd/0x170 [ 3116.654449][ T1167] do_syscall_64+0xc6/0x1e0 [ 3116.654449][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3116.654449][ T1167] [ 3125.409117][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3125.409458][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3125.409458][ T10] netdev_get_by_index+0x5e/0x80 [ 3125.409458][ T10] fib6_nh_init+0x3d8/0x1580 [ 3125.409458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3125.409458][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3125.409458][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3125.409458][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3125.409458][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3125.409458][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3125.409458][ T10] addrconf_dad_begin+0x310/0x670 [ 3125.409458][ T10] addrconf_dad_work+0x10b/0xab0 [ 3125.409458][ T10] process_one_work+0x84d/0x18a0 [ 3125.409458][ T10] worker_thread+0x587/0xd30 [ 3125.409458][ T10] kthread+0x28a/0x350 [ 3125.409458][ T10] ret_from_fork+0x31/0x70 [ 3125.409458][ T10] ret_from_fork_asm+0x1a/0x30 [ 3125.409458][ T10] [ 3125.411376][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3125.411376][ T10] netdev_get_by_index+0x5e/0x80 [ 3125.411376][ T10] fib6_nh_init+0x3d8/0x1580 [ 3125.411376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3125.411376][ T10] ip6_route_add+0x1c/0x140 [ 3125.411376][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3125.411376][ T10] inet6_addr_add+0x4f8/0xa40 [ 3125.411376][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3125.411376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3125.411376][ T10] netlink_rcv_skb+0x130/0x360 [ 3125.411376][ T10] netlink_unicast+0x449/0x710 [ 3125.411376][ T10] netlink_sendmsg+0x723/0xbe0 [ 3125.411376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3125.411376][ T10] ___sys_sendmsg+0xee/0x170 [ 3125.411376][ T10] __sys_sendmsg+0xcd/0x170 [ 3125.411376][ T10] do_syscall_64+0xc6/0x1e0 [ 3125.411376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3125.411376][ T10] [ 3125.413362][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3125.413362][ T10] netdev_get_by_index+0x5e/0x80 [ 3125.413362][ T10] fib6_nh_init+0x3d8/0x1580 [ 3125.413362][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3125.413362][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3125.413362][ T10] ipv6_add_addr+0x411/0x2000 [ 3125.413362][ T10] inet6_addr_add+0x30e/0xa40 [ 3125.413362][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3125.413362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3125.413362][ T10] netlink_rcv_skb+0x130/0x360 [ 3125.413362][ T10] netlink_unicast+0x449/0x710 [ 3125.413362][ T10] netlink_sendmsg+0x723/0xbe0 [ 3125.413362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3125.413362][ T10] ___sys_sendmsg+0xee/0x170 [ 3125.413362][ T10] __sys_sendmsg+0xcd/0x170 [ 3125.413362][ T10] do_syscall_64+0xc6/0x1e0 [ 3125.413362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3125.413362][ T10] [ 3125.415338][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3125.415338][ T10] netdev_get_by_index+0x5e/0x80 [ 3125.415338][ T10] fib6_nh_init+0x3d8/0x1580 [ 3125.415338][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3125.415338][ T10] ip6_route_add+0x1c/0x140 [ 3125.415338][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3125.415338][ T10] addrconf_add_dev+0xe2/0x170 [ 3125.415338][ T10] inet6_addr_add+0x12f/0xa40 [ 3125.415338][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3125.415338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3125.415338][ T10] netlink_rcv_skb+0x130/0x360 [ 3125.415338][ T10] netlink_unicast+0x449/0x710 [ 3125.415338][ T10] netlink_sendmsg+0x723/0xbe0 [ 3125.415338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3125.415338][ T10] ___sys_sendmsg+0xee/0x170 [ 3125.415338][ T10] __sys_sendmsg+0xcd/0x170 [ 3125.415338][ T10] do_syscall_64+0xc6/0x1e0 [ 3125.415338][ T10] [ 3125.417288][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3125.417288][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3125.417288][ T10] ipv6_find_idev+0x102/0x170 [ 3125.417288][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3125.417288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3125.417288][ T10] netlink_rcv_skb+0x130/0x360 [ 3125.417288][ T10] netlink_unicast+0x449/0x710 [ 3125.417288][ T10] netlink_sendmsg+0x723/0xbe0 [ 3125.417288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3125.417288][ T10] ___sys_sendmsg+0xee/0x170 [ 3125.417288][ T10] __sys_sendmsg+0xcd/0x170 [ 3125.417288][ T10] do_syscall_64+0xc6/0x1e0 [ 3125.417288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3125.417288][ T10] [ 3125.418810][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3125.418810][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3125.418810][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3125.418810][ T10] ipv6_find_idev+0x102/0x170 [ 3125.418810][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3125.418810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3125.418810][ T10] netlink_rcv_skb+0x130/0x360 [ 3125.418810][ T10] netlink_unicast+0x449/0x710 [ 3125.418810][ T10] netlink_sendmsg+0x723/0xbe0 [ 3125.418810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3125.418810][ T10] ___sys_sendmsg+0xee/0x170 [ 3125.418810][ T10] __sys_sendmsg+0xcd/0x170 [ 3125.418810][ T10] do_syscall_64+0xc6/0x1e0 [ 3125.418810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3125.418810][ T10] [ 3125.420472][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3125.420713][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3125.420713][ T10] netdev_get_by_index+0x5e/0x80 [ 3125.420713][ T10] fib6_nh_init+0x3d8/0x1580 [ 3125.420713][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3125.420713][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3125.420713][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3125.420713][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3125.420713][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3125.420713][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3125.420713][ T10] addrconf_dad_begin+0x310/0x670 [ 3125.420713][ T10] addrconf_dad_work+0x10b/0xab0 [ 3125.420713][ T10] process_one_work+0x84d/0x18a0 [ 3125.420713][ T10] worker_thread+0x587/0xd30 [ 3125.420713][ T10] kthread+0x28a/0x350 [ 3125.420713][ T10] ret_from_fork+0x31/0x70 [ 3125.420713][ T10] ret_from_fork_asm+0x1a/0x30 [ 3125.420713][ T10] [ 3125.422968][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3125.422968][ T10] netdev_get_by_index+0x5e/0x80 [ 3125.422968][ T10] fib6_nh_init+0x3d8/0x1580 [ 3125.422968][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3125.422968][ T10] ip6_route_add+0x1c/0x140 [ 3125.422968][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3125.422968][ T10] inet6_addr_add+0x4f8/0xa40 [ 3125.422968][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3125.422968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3125.422968][ T10] netlink_rcv_skb+0x130/0x360 [ 3125.422968][ T10] netlink_unicast+0x449/0x710 [ 3125.422968][ T10] netlink_sendmsg+0x723/0xbe0 [ 3125.422968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3125.422968][ T10] ___sys_sendmsg+0xee/0x170 [ 3125.422968][ T10] __sys_sendmsg+0xcd/0x170 [ 3125.422968][ T10] do_syscall_64+0xc6/0x1e0 [ 3125.422968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3125.422968][ T10] [ 3125.424949][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3125.424949][ T10] netdev_get_by_index+0x5e/0x80 [ 3125.424949][ T10] fib6_nh_init+0x3d8/0x1580 [ 3125.424949][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3125.424949][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3125.424949][ T10] ipv6_add_addr+0x411/0x2000 [ 3125.424949][ T10] inet6_addr_add+0x30e/0xa40 [ 3125.424949][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3125.424949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3125.424949][ T10] netlink_rcv_skb+0x130/0x360 [ 3125.424949][ T10] netlink_unicast+0x449/0x710 [ 3125.424949][ T10] netlink_sendmsg+0x723/0xbe0 [ 3125.424949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3125.424949][ T10] ___sys_sendmsg+0xee/0x170 [ 3125.424949][ T10] __sys_sendmsg+0xcd/0x170 [ 3125.424949][ T10] do_syscall_64+0xc6/0x1e0 [ 3125.424949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3125.424949][ T10] [ 3125.426948][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3125.426948][ T10] netdev_get_by_index+0x5e/0x80 [ 3125.426948][ T10] fib6_nh_init+0x3d8/0x1580 [ 3125.426948][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3125.426948][ T10] ip6_route_add+0x1c/0x140 [ 3125.426948][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3125.426948][ T10] addrconf_add_dev+0xe2/0x170 [ 3125.426948][ T10] inet6_addr_add+0x12f/0xa40 [ 3125.426948][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3125.426948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3125.426948][ T10] netlink_rcv_skb+0x130/0x360 [ 3125.426948][ T10] netlink_unicast+0x449/0x710 [ 3125.426948][ T10] netlink_sendmsg+0x723/0xbe0 [ 3125.426948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3125.426948][ T10] ___sys_sendmsg+0xee/0x170 [ 3125.426948][ T10] __sys_sendmsg+0xcd/0x170 [ 3125.426948][ T10] do_syscall_64+0xc6/0x1e0 [ 3125.426948][ T10] [ 3125.428886][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3125.428886][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3125.428886][ T10] ipv6_find_idev+0x102/0x170 [ 3125.428886][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3125.428886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3125.428886][ T10] netlink_rcv_skb+0x130/0x360 [ 3125.428886][ T10] netlink_unicast+0x449/0x710 [ 3125.428886][ T10] netlink_sendmsg+0x723/0xbe0 [ 3125.428886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3125.428886][ T10] ___sys_sendmsg+0xee/0x170 [ 3125.428886][ T10] __sys_sendmsg+0xcd/0x170 [ 3125.428886][ T10] do_syscall_64+0xc6/0x1e0 [ 3125.428886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3125.428886][ T10] [ 3125.430419][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3125.430419][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3125.430419][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3125.430419][ T10] ipv6_find_idev+0x102/0x170 [ 3125.430419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3125.430419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3125.430419][ T10] netlink_rcv_skb+0x130/0x360 [ 3125.430419][ T10] netlink_unicast+0x449/0x710 [ 3125.430419][ T10] netlink_sendmsg+0x723/0xbe0 [ 3125.430419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3125.430419][ T10] ___sys_sendmsg+0xee/0x170 [ 3125.430419][ T10] __sys_sendmsg+0xcd/0x170 [ 3125.430419][ T10] do_syscall_64+0xc6/0x1e0 [ 3125.430419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3125.430419][ T10] [ 3125.432087][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3125.432326][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3125.432326][ T10] netdev_get_by_index+0x5e/0x80 [ 3125.432326][ T10] fib6_nh_init+0x3d8/0x1580 [ 3125.432326][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3125.432326][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3125.432326][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3125.432326][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3125.432326][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3125.432326][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3125.432326][ T10] addrconf_dad_begin+0x310/0x670 [ 3125.432326][ T10] addrconf_dad_work+0x10b/0xab0 [ 3125.432326][ T10] process_one_work+0x84d/0x18a0 [ 3125.432326][ T10] worker_thread+0x587/0xd30 [ 3125.432326][ T10] kthread+0x28a/0x350 [ 3125.432326][ T10] ret_from_fork+0x31/0x70 [ 3125.432326][ T10] ret_from_fork_asm+0x1a/0x30 [ 3125.432326][ T10] [ 3125.434240][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3125.434240][ T10] netdev_get_by_index+0x5e/0x80 [ 3125.434240][ T10] fib6_nh_init+0x3d8/0x1580 [ 3125.434240][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3125.434240][ T10] ip6_route_add+0x1c/0x140 [ 3125.434240][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3125.434240][ T10] inet6_addr_add+0x4f8/0xa40 [ 3125.434240][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3125.434240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3125.434240][ T10] netlink_rcv_skb+0x130/0x360 [ 3125.434240][ T10] netlink_unicast+0x449/0x710 [ 3125.434240][ T10] netlink_sendmsg+0x723/0xbe0 [ 3125.434240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3125.434240][ T10] ___sys_sendmsg+0xee/0x170 [ 3125.434240][ T10] __sys_sendmsg+0xcd/0x170 [ 3125.434240][ T10] do_syscall_64+0xc6/0x1e0 [ 3125.434240][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3125.434240][ T10] [ 3125.436284][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3125.436284][ T10] netdev_get_by_index+0x5e/0x80 [ 3125.436284][ T10] fib6_nh_init+0x3d8/0x1580 [ 3125.436284][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3125.436284][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3125.436284][ T10] ipv6_add_addr+0x411/0x2000 [ 3125.436284][ T10] inet6_addr_add+0x30e/0xa40 [ 3125.436284][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3125.436284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3125.436284][ T10] netlink_rcv_skb+0x130/0x360 [ 3125.436284][ T10] netlink_unicast+0x449/0x710 [ 3125.436284][ T10] netlink_sendmsg+0x723/0xbe0 [ 3125.436284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3125.436284][ T10] ___sys_sendmsg+0xee/0x170 [ 3125.436284][ T10] __sys_sendmsg+0xcd/0x170 [ 3125.436284][ T10] do_syscall_64+0xc6/0x1e0 [ 3125.436284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3125.436284][ T10] [ 3125.438396][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3125.438396][ T10] netdev_get_by_index+0x5e/0x80 [ 3125.438396][ T10] fib6_nh_init+0x3d8/0x1580 [ 3125.438396][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3125.438396][ T10] ip6_route_add+0x1c/0x140 [ 3125.438396][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3125.438396][ T10] addrconf_add_dev+0xe2/0x170 [ 3125.438396][ T10] inet6_addr_add+0x12f/0xa40 [ 3125.438396][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3125.438396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3125.438396][ T10] netlink_rcv_skb+0x130/0x360 [ 3125.438396][ T10] netlink_unicast+0x449/0x710 [ 3125.438396][ T10] netlink_sendmsg+0x723/0xbe0 [ 3125.438396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3125.438396][ T10] ___sys_sendmsg+0xee/0x170 [ 3125.438396][ T10] __sys_sendmsg+0xcd/0x170 [ 3125.438396][ T10] do_syscall_64+0xc6/0x1e0 [ 3125.438396][ T10] [ 3125.440398][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3125.440398][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3125.440398][ T10] ipv6_find_idev+0x102/0x170 [ 3125.440398][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3125.440398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3125.440398][ T10] netlink_rcv_skb+0x130/0x360 [ 3125.440398][ T10] netlink_unicast+0x449/0x710 [ 3125.440398][ T10] netlink_sendmsg+0x723/0xbe0 [ 3125.440398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3125.440398][ T10] ___sys_sendmsg+0xee/0x170 [ 3125.440398][ T10] __sys_sendmsg+0xcd/0x170 [ 3125.440398][ T10] do_syscall_64+0xc6/0x1e0 [ 3125.440398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3125.440398][ T10] [ 3125.441995][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3125.441995][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3125.441995][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3125.441995][ T10] ipv6_find_idev+0x102/0x170 [ 3125.441995][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3125.441995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3125.441995][ T10] netlink_rcv_skb+0x130/0x360 [ 3125.441995][ T10] netlink_unicast+0x449/0x710 [ 3125.441995][ T10] netlink_sendmsg+0x723/0xbe0 [ 3125.441995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3125.441995][ T10] ___sys_sendmsg+0xee/0x170 [ 3125.441995][ T10] __sys_sendmsg+0xcd/0x170 [ 3125.441995][ T10] do_syscall_64+0xc6/0x1e0 [ 3125.441995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3125.441995][ T10] [ 3125.443736][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3125.443972][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3125.443972][ T10] netdev_get_by_index+0x5e/0x80 [ 3125.443972][ T10] fib6_nh_init+0x3d8/0x1580 [ 3125.443972][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3125.443972][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3125.443972][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3125.443972][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3125.443972][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3125.443972][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3125.443972][ T10] addrconf_dad_begin+0x310/0x670 [ 3125.443972][ T10] addrconf_dad_work+0x10b/0xab0 [ 3125.443972][ T10] process_one_work+0x84d/0x18a0 [ 3125.443972][ T10] worker_thread+0x587/0xd30 [ 3125.443972][ T10] kthread+0x28a/0x350 [ 3125.443972][ T10] ret_from_fork+0x31/0x70 [ 3125.443972][ T10] ret_from_fork_asm+0x1a/0x30 [ 3125.443972][ T10] [ 3125.445981][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3125.445981][ T10] netdev_get_by_index+0x5e/0x80 [ 3125.445981][ T10] fib6_nh_init+0x3d8/0x1580 [ 3125.445981][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3125.445981][ T10] ip6_route_add+0x1c/0x140 [ 3125.445981][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3125.445981][ T10] inet6_addr_add+0x4f8/0xa40 [ 3125.445981][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3125.445981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3125.445981][ T10] netlink_rcv_skb+0x130/0x360 [ 3125.445981][ T10] netlink_unicast+0x449/0x710 [ 3125.445981][ T10] netlink_sendmsg+0x723/0xbe0 [ 3125.445981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3125.445981][ T10] ___sys_sendmsg+0xee/0x170 [ 3125.445981][ T10] __sys_sendmsg+0xcd/0x170 [ 3125.445981][ T10] do_syscall_64+0xc6/0x1e0 [ 3125.445981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3125.445981][ T10] [ 3125.448075][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3125.448075][ T10] netdev_get_by_index+0x5e/0x80 [ 3125.448075][ T10] fib6_nh_init+0x3d8/0x1580 [ 3125.448075][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3125.448075][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3125.448075][ T10] ipv6_add_addr+0x411/0x2000 [ 3125.448075][ T10] inet6_addr_add+0x30e/0xa40 [ 3125.448075][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3125.448075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3125.448075][ T10] netlink_rcv_skb+0x130/0x360 [ 3125.448075][ T10] netlink_unicast+0x449/0x710 [ 3125.448075][ T10] netlink_sendmsg+0x723/0xbe0 [ 3125.448075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3125.448075][ T10] ___sys_sendmsg+0xee/0x170 [ 3125.448075][ T10] __sys_sendmsg+0xcd/0x170 [ 3125.448075][ T10] do_syscall_64+0xc6/0x1e0 [ 3125.448075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3125.448075][ T10] [ 3125.450102][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3125.450102][ T10] netdev_get_by_index+0x5e/0x80 [ 3125.450102][ T10] fib6_nh_init+0x3d8/0x1580 [ 3125.450102][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3125.450102][ T10] ip6_route_add+0x1c/0x140 [ 3125.450102][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3125.450102][ T10] addrconf_add_dev+0xe2/0x170 [ 3125.450102][ T10] inet6_addr_add+0x12f/0xa40 [ 3125.450102][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3125.450102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3125.450102][ T10] netlink_rcv_skb+0x130/0x360 [ 3125.450102][ T10] netlink_unicast+0x449/0x710 [ 3125.450102][ T10] netlink_sendmsg+0x723/0xbe0 [ 3125.450102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3125.450102][ T10] ___sys_sendmsg+0xee/0x170 [ 3125.450102][ T10] __sys_sendmsg+0xcd/0x170 [ 3125.450102][ T10] do_syscall_64+0xc6/0x1e0 [ 3125.450102][ T10] [ 3125.452166][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3125.452166][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3125.452166][ T10] ipv6_find_idev+0x102/0x170 [ 3125.452166][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3125.452166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3125.452166][ T10] netlink_rcv_skb+0x130/0x360 [ 3125.452166][ T10] netlink_unicast+0x449/0x710 [ 3125.452166][ T10] netlink_sendmsg+0x723/0xbe0 [ 3125.452166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3125.452166][ T10] ___sys_sendmsg+0xee/0x170 [ 3125.452166][ T10] __sys_sendmsg+0xcd/0x170 [ 3125.452166][ T10] do_syscall_64+0xc6/0x1e0 [ 3125.452166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3125.452166][ T10] [ 3125.453765][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3125.453765][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3125.453765][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3125.453765][ T10] ipv6_find_idev+0x102/0x170 [ 3125.453765][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3125.453765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3125.453765][ T10] netlink_rcv_skb+0x130/0x360 [ 3125.453765][ T10] netlink_unicast+0x449/0x710 [ 3125.453765][ T10] netlink_sendmsg+0x723/0xbe0 [ 3125.453765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3125.453765][ T10] ___sys_sendmsg+0xee/0x170 [ 3125.453765][ T10] __sys_sendmsg+0xcd/0x170 [ 3125.453765][ T10] do_syscall_64+0xc6/0x1e0 [ 3125.453765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3125.453765][ T10] [ 3126.897161][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3126.897586][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3126.897586][ T1167] dst_init+0x84/0x4a0 [ 3126.897586][ T1167] dst_alloc+0x97/0x150 [ 3126.897586][ T1167] ip6_dst_alloc+0x23/0x90 [ 3126.897586][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3126.897586][ T1167] ip6_pol_route+0x56f/0x840 [ 3126.897586][ T1167] fib6_rule_lookup+0x334/0x630 [ 3126.897586][ T1167] ip6_route_output_flags+0x259/0x480 [ 3126.897586][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3126.897586][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3126.897586][ T1167] netlink_rcv_skb+0x130/0x360 [ 3126.897586][ T1167] netlink_unicast+0x449/0x710 [ 3126.897586][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3126.897586][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3126.897586][ T1167] ___sys_sendmsg+0xee/0x170 [ 3126.897586][ T1167] __sys_sendmsg+0xcd/0x170 [ 3126.897586][ T1167] do_syscall_64+0xc6/0x1e0 [ 3126.897586][ T1167] [ 3126.899810][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3126.899810][ T1167] netdev_get_by_index+0x5e/0x80 [ 3126.899810][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3126.899810][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3126.899810][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3126.899810][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3126.899810][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3126.899810][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3126.899810][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3126.899810][ T1167] addrconf_dad_begin+0x310/0x670 [ 3126.899810][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3126.899810][ T1167] process_one_work+0x84d/0x18a0 [ 3126.899810][ T1167] worker_thread+0x587/0xd30 [ 3126.899810][ T1167] kthread+0x28a/0x350 [ 3126.899810][ T1167] ret_from_fork+0x31/0x70 [ 3126.899810][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3126.899810][ T1167] [ 3126.901986][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3126.901986][ T1167] netdev_get_by_index+0x5e/0x80 [ 3126.901986][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3126.901986][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3126.901986][ T1167] ip6_route_add+0x1c/0x140 [ 3126.901986][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3126.901986][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3126.901986][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3126.901986][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3126.901986][ T1167] netlink_rcv_skb+0x130/0x360 [ 3126.901986][ T1167] netlink_unicast+0x449/0x710 [ 3126.901986][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3126.901986][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3126.901986][ T1167] ___sys_sendmsg+0xee/0x170 [ 3126.901986][ T1167] __sys_sendmsg+0xcd/0x170 [ 3126.901986][ T1167] do_syscall_64+0xc6/0x1e0 [ 3126.901986][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3126.901986][ T1167] [ 3126.904263][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3126.904263][ T1167] netdev_get_by_index+0x5e/0x80 [ 3126.904263][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3126.904263][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3126.904263][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3126.904263][ T1167] ipv6_add_addr+0x411/0x2000 [ 3126.904263][ T1167] inet6_addr_add+0x30e/0xa40 [ 3126.904263][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3126.904263][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3126.904263][ T1167] netlink_rcv_skb+0x130/0x360 [ 3126.904263][ T1167] netlink_unicast+0x449/0x710 [ 3126.904263][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3126.904263][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3126.904263][ T1167] ___sys_sendmsg+0xee/0x170 [ 3126.904263][ T1167] __sys_sendmsg+0xcd/0x170 [ 3126.904263][ T1167] do_syscall_64+0xc6/0x1e0 [ 3126.904263][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3126.904263][ T1167] [ 3126.906523][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3126.906523][ T1167] netdev_get_by_index+0x5e/0x80 [ 3126.906523][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3126.906523][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3126.906523][ T1167] ip6_route_add+0x1c/0x140 [ 3126.906523][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3126.906523][ T1167] addrconf_add_dev+0xe2/0x170 [ 3126.906523][ T1167] inet6_addr_add+0x12f/0xa40 [ 3126.906523][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3126.906523][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3126.906523][ T1167] netlink_rcv_skb+0x130/0x360 [ 3126.906523][ T1167] netlink_unicast+0x449/0x710 [ 3126.906523][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3126.906523][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3126.906523][ T1167] ___sys_sendmsg+0xee/0x170 [ 3126.906523][ T1167] __sys_sendmsg+0xcd/0x170 [ 3126.906523][ T1167] do_syscall_64+0xc6/0x1e0 [ 3126.906523][ T1167] [ 3126.908737][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3126.908737][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3126.908737][ T1167] ipv6_find_idev+0x102/0x170 [ 3126.908737][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3126.908737][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3126.908737][ T1167] netlink_rcv_skb+0x130/0x360 [ 3126.908737][ T1167] netlink_unicast+0x449/0x710 [ 3126.908737][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3126.908737][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3126.908737][ T1167] ___sys_sendmsg+0xee/0x170 [ 3126.908737][ T1167] __sys_sendmsg+0xcd/0x170 [ 3126.908737][ T1167] do_syscall_64+0xc6/0x1e0 [ 3126.908737][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3126.908737][ T1167] [ 3126.910483][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3126.910483][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3126.910483][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3126.910483][ T1167] ipv6_find_idev+0x102/0x170 [ 3126.910483][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3126.910483][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3126.910483][ T1167] netlink_rcv_skb+0x130/0x360 [ 3126.910483][ T1167] netlink_unicast+0x449/0x710 [ 3126.910483][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3126.910483][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3126.910483][ T1167] ___sys_sendmsg+0xee/0x170 [ 3126.910483][ T1167] __sys_sendmsg+0xcd/0x170 [ 3126.910483][ T1167] do_syscall_64+0xc6/0x1e0 [ 3126.910483][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3126.910483][ T1167] [ 3135.561109][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3135.561465][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3135.561465][ T10] netdev_get_by_index+0x5e/0x80 [ 3135.561465][ T10] fib6_nh_init+0x3d8/0x1580 [ 3135.561465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3135.561465][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3135.561465][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3135.561465][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3135.561465][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3135.561465][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3135.561465][ T10] addrconf_dad_begin+0x310/0x670 [ 3135.561465][ T10] addrconf_dad_work+0x10b/0xab0 [ 3135.561465][ T10] process_one_work+0x84d/0x18a0 [ 3135.561465][ T10] worker_thread+0x587/0xd30 [ 3135.561465][ T10] kthread+0x28a/0x350 [ 3135.561465][ T10] ret_from_fork+0x31/0x70 [ 3135.561465][ T10] ret_from_fork_asm+0x1a/0x30 [ 3135.561465][ T10] [ 3135.563376][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3135.563376][ T10] netdev_get_by_index+0x5e/0x80 [ 3135.563376][ T10] fib6_nh_init+0x3d8/0x1580 [ 3135.563376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3135.563376][ T10] ip6_route_add+0x1c/0x140 [ 3135.563376][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3135.563376][ T10] inet6_addr_add+0x4f8/0xa40 [ 3135.563376][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3135.563376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3135.563376][ T10] netlink_rcv_skb+0x130/0x360 [ 3135.563376][ T10] netlink_unicast+0x449/0x710 [ 3135.563376][ T10] netlink_sendmsg+0x723/0xbe0 [ 3135.563376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3135.563376][ T10] ___sys_sendmsg+0xee/0x170 [ 3135.563376][ T10] __sys_sendmsg+0xcd/0x170 [ 3135.563376][ T10] do_syscall_64+0xc6/0x1e0 [ 3135.563376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3135.563376][ T10] [ 3135.565352][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3135.565352][ T10] netdev_get_by_index+0x5e/0x80 [ 3135.565352][ T10] fib6_nh_init+0x3d8/0x1580 [ 3135.565352][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3135.565352][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3135.565352][ T10] ipv6_add_addr+0x411/0x2000 [ 3135.565352][ T10] inet6_addr_add+0x30e/0xa40 [ 3135.565352][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3135.565352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3135.565352][ T10] netlink_rcv_skb+0x130/0x360 [ 3135.565352][ T10] netlink_unicast+0x449/0x710 [ 3135.565352][ T10] netlink_sendmsg+0x723/0xbe0 [ 3135.565352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3135.565352][ T10] ___sys_sendmsg+0xee/0x170 [ 3135.565352][ T10] __sys_sendmsg+0xcd/0x170 [ 3135.565352][ T10] do_syscall_64+0xc6/0x1e0 [ 3135.565352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3135.565352][ T10] [ 3135.567323][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3135.567323][ T10] netdev_get_by_index+0x5e/0x80 [ 3135.567323][ T10] fib6_nh_init+0x3d8/0x1580 [ 3135.567323][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3135.567323][ T10] ip6_route_add+0x1c/0x140 [ 3135.567323][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3135.567323][ T10] addrconf_add_dev+0xe2/0x170 [ 3135.567323][ T10] inet6_addr_add+0x12f/0xa40 [ 3135.567323][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3135.567323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3135.567323][ T10] netlink_rcv_skb+0x130/0x360 [ 3135.567323][ T10] netlink_unicast+0x449/0x710 [ 3135.567323][ T10] netlink_sendmsg+0x723/0xbe0 [ 3135.567323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3135.567323][ T10] ___sys_sendmsg+0xee/0x170 [ 3135.567323][ T10] __sys_sendmsg+0xcd/0x170 [ 3135.567323][ T10] do_syscall_64+0xc6/0x1e0 [ 3135.567323][ T10] [ 3135.569260][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3135.569260][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3135.569260][ T10] ipv6_find_idev+0x102/0x170 [ 3135.569260][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3135.569260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3135.569260][ T10] netlink_rcv_skb+0x130/0x360 [ 3135.569260][ T10] netlink_unicast+0x449/0x710 [ 3135.569260][ T10] netlink_sendmsg+0x723/0xbe0 [ 3135.569260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3135.569260][ T10] ___sys_sendmsg+0xee/0x170 [ 3135.569260][ T10] __sys_sendmsg+0xcd/0x170 [ 3135.569260][ T10] do_syscall_64+0xc6/0x1e0 [ 3135.569260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3135.569260][ T10] [ 3135.570789][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3135.570789][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3135.570789][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3135.570789][ T10] ipv6_find_idev+0x102/0x170 [ 3135.570789][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3135.570789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3135.570789][ T10] netlink_rcv_skb+0x130/0x360 [ 3135.570789][ T10] netlink_unicast+0x449/0x710 [ 3135.570789][ T10] netlink_sendmsg+0x723/0xbe0 [ 3135.570789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3135.570789][ T10] ___sys_sendmsg+0xee/0x170 [ 3135.570789][ T10] __sys_sendmsg+0xcd/0x170 [ 3135.570789][ T10] do_syscall_64+0xc6/0x1e0 [ 3135.570789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3135.570789][ T10] [ 3135.572458][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3135.572697][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3135.572697][ T10] netdev_get_by_index+0x5e/0x80 [ 3135.572697][ T10] fib6_nh_init+0x3d8/0x1580 [ 3135.572697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3135.572697][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3135.572697][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3135.572697][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3135.572697][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3135.572697][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3135.572697][ T10] addrconf_dad_begin+0x310/0x670 [ 3135.572697][ T10] addrconf_dad_work+0x10b/0xab0 [ 3135.572697][ T10] process_one_work+0x84d/0x18a0 [ 3135.572697][ T10] worker_thread+0x587/0xd30 [ 3135.572697][ T10] kthread+0x28a/0x350 [ 3135.572697][ T10] ret_from_fork+0x31/0x70 [ 3135.572697][ T10] ret_from_fork_asm+0x1a/0x30 [ 3135.572697][ T10] [ 3135.574591][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3135.574591][ T10] netdev_get_by_index+0x5e/0x80 [ 3135.574591][ T10] fib6_nh_init+0x3d8/0x1580 [ 3135.574591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3135.574591][ T10] ip6_route_add+0x1c/0x140 [ 3135.574591][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3135.574591][ T10] inet6_addr_add+0x4f8/0xa40 [ 3135.574591][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3135.574591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3135.574591][ T10] netlink_rcv_skb+0x130/0x360 [ 3135.574591][ T10] netlink_unicast+0x449/0x710 [ 3135.574591][ T10] netlink_sendmsg+0x723/0xbe0 [ 3135.574591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3135.574591][ T10] ___sys_sendmsg+0xee/0x170 [ 3135.574591][ T10] __sys_sendmsg+0xcd/0x170 [ 3135.574591][ T10] do_syscall_64+0xc6/0x1e0 [ 3135.574591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3135.574591][ T10] [ 3135.576559][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3135.576559][ T10] netdev_get_by_index+0x5e/0x80 [ 3135.576559][ T10] fib6_nh_init+0x3d8/0x1580 [ 3135.576559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3135.576559][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3135.576559][ T10] ipv6_add_addr+0x411/0x2000 [ 3135.576559][ T10] inet6_addr_add+0x30e/0xa40 [ 3135.576559][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3135.576559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3135.576559][ T10] netlink_rcv_skb+0x130/0x360 [ 3135.576559][ T10] netlink_unicast+0x449/0x710 [ 3135.576559][ T10] netlink_sendmsg+0x723/0xbe0 [ 3135.576559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3135.576559][ T10] ___sys_sendmsg+0xee/0x170 [ 3135.576559][ T10] __sys_sendmsg+0xcd/0x170 [ 3135.576559][ T10] do_syscall_64+0xc6/0x1e0 [ 3135.576559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3135.576559][ T10] [ 3135.578526][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3135.578526][ T10] netdev_get_by_index+0x5e/0x80 [ 3135.578526][ T10] fib6_nh_init+0x3d8/0x1580 [ 3135.578526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3135.578526][ T10] ip6_route_add+0x1c/0x140 [ 3135.578526][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3135.578526][ T10] addrconf_add_dev+0xe2/0x170 [ 3135.578526][ T10] inet6_addr_add+0x12f/0xa40 [ 3135.578526][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3135.578526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3135.578526][ T10] netlink_rcv_skb+0x130/0x360 [ 3135.578526][ T10] netlink_unicast+0x449/0x710 [ 3135.578526][ T10] netlink_sendmsg+0x723/0xbe0 [ 3135.578526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3135.578526][ T10] ___sys_sendmsg+0xee/0x170 [ 3135.578526][ T10] __sys_sendmsg+0xcd/0x170 [ 3135.578526][ T10] do_syscall_64+0xc6/0x1e0 [ 3135.578526][ T10] [ 3135.580464][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3135.580464][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3135.580464][ T10] ipv6_find_idev+0x102/0x170 [ 3135.580464][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3135.580464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3135.580464][ T10] netlink_rcv_skb+0x130/0x360 [ 3135.580464][ T10] netlink_unicast+0x449/0x710 [ 3135.580464][ T10] netlink_sendmsg+0x723/0xbe0 [ 3135.580464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3135.580464][ T10] ___sys_sendmsg+0xee/0x170 [ 3135.580464][ T10] __sys_sendmsg+0xcd/0x170 [ 3135.580464][ T10] do_syscall_64+0xc6/0x1e0 [ 3135.580464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3135.580464][ T10] [ 3135.581987][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3135.581987][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3135.581987][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3135.581987][ T10] ipv6_find_idev+0x102/0x170 [ 3135.581987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3135.581987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3135.581987][ T10] netlink_rcv_skb+0x130/0x360 [ 3135.581987][ T10] netlink_unicast+0x449/0x710 [ 3135.581987][ T10] netlink_sendmsg+0x723/0xbe0 [ 3135.581987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3135.581987][ T10] ___sys_sendmsg+0xee/0x170 [ 3135.581987][ T10] __sys_sendmsg+0xcd/0x170 [ 3135.581987][ T10] do_syscall_64+0xc6/0x1e0 [ 3135.581987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3135.581987][ T10] [ 3135.583672][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3135.583912][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3135.583912][ T10] netdev_get_by_index+0x5e/0x80 [ 3135.583912][ T10] fib6_nh_init+0x3d8/0x1580 [ 3135.583912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3135.583912][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3135.583912][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3135.583912][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3135.583912][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3135.583912][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3135.583912][ T10] addrconf_dad_begin+0x310/0x670 [ 3135.583912][ T10] addrconf_dad_work+0x10b/0xab0 [ 3135.583912][ T10] process_one_work+0x84d/0x18a0 [ 3135.583912][ T10] worker_thread+0x587/0xd30 [ 3135.583912][ T10] kthread+0x28a/0x350 [ 3135.583912][ T10] ret_from_fork+0x31/0x70 [ 3135.583912][ T10] ret_from_fork_asm+0x1a/0x30 [ 3135.583912][ T10] [ 3135.585795][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3135.585795][ T10] netdev_get_by_index+0x5e/0x80 [ 3135.585795][ T10] fib6_nh_init+0x3d8/0x1580 [ 3135.585795][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3135.585795][ T10] ip6_route_add+0x1c/0x140 [ 3135.585795][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3135.585795][ T10] inet6_addr_add+0x4f8/0xa40 [ 3135.585795][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3135.585795][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3135.585795][ T10] netlink_rcv_skb+0x130/0x360 [ 3135.585795][ T10] netlink_unicast+0x449/0x710 [ 3135.585795][ T10] netlink_sendmsg+0x723/0xbe0 [ 3135.585795][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3135.585795][ T10] ___sys_sendmsg+0xee/0x170 [ 3135.585795][ T10] __sys_sendmsg+0xcd/0x170 [ 3135.585795][ T10] do_syscall_64+0xc6/0x1e0 [ 3135.585795][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3135.585795][ T10] [ 3135.587902][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3135.587902][ T10] netdev_get_by_index+0x5e/0x80 [ 3135.587902][ T10] fib6_nh_init+0x3d8/0x1580 [ 3135.587902][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3135.587902][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3135.587902][ T10] ipv6_add_addr+0x411/0x2000 [ 3135.587902][ T10] inet6_addr_add+0x30e/0xa40 [ 3135.587902][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3135.587902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3135.587902][ T10] netlink_rcv_skb+0x130/0x360 [ 3135.587902][ T10] netlink_unicast+0x449/0x710 [ 3135.587902][ T10] netlink_sendmsg+0x723/0xbe0 [ 3135.587902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3135.587902][ T10] ___sys_sendmsg+0xee/0x170 [ 3135.587902][ T10] __sys_sendmsg+0xcd/0x170 [ 3135.587902][ T10] do_syscall_64+0xc6/0x1e0 [ 3135.587902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3135.587902][ T10] [ 3135.590011][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3135.590011][ T10] netdev_get_by_index+0x5e/0x80 [ 3135.590011][ T10] fib6_nh_init+0x3d8/0x1580 [ 3135.590011][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3135.590011][ T10] ip6_route_add+0x1c/0x140 [ 3135.590011][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3135.590011][ T10] addrconf_add_dev+0xe2/0x170 [ 3135.590011][ T10] inet6_addr_add+0x12f/0xa40 [ 3135.590011][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3135.590011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3135.590011][ T10] netlink_rcv_skb+0x130/0x360 [ 3135.590011][ T10] netlink_unicast+0x449/0x710 [ 3135.590011][ T10] netlink_sendmsg+0x723/0xbe0 [ 3135.590011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3135.590011][ T10] ___sys_sendmsg+0xee/0x170 [ 3135.590011][ T10] __sys_sendmsg+0xcd/0x170 [ 3135.590011][ T10] do_syscall_64+0xc6/0x1e0 [ 3135.590011][ T10] [ 3135.592084][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3135.592084][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3135.592084][ T10] ipv6_find_idev+0x102/0x170 [ 3135.592084][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3135.592084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3135.592084][ T10] netlink_rcv_skb+0x130/0x360 [ 3135.592084][ T10] netlink_unicast+0x449/0x710 [ 3135.592084][ T10] netlink_sendmsg+0x723/0xbe0 [ 3135.592084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3135.592084][ T10] ___sys_sendmsg+0xee/0x170 [ 3135.592084][ T10] __sys_sendmsg+0xcd/0x170 [ 3135.592084][ T10] do_syscall_64+0xc6/0x1e0 [ 3135.592084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3135.592084][ T10] [ 3135.593741][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3135.593741][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3135.593741][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3135.593741][ T10] ipv6_find_idev+0x102/0x170 [ 3135.593741][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3135.593741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3135.593741][ T10] netlink_rcv_skb+0x130/0x360 [ 3135.593741][ T10] netlink_unicast+0x449/0x710 [ 3135.593741][ T10] netlink_sendmsg+0x723/0xbe0 [ 3135.593741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3135.593741][ T10] ___sys_sendmsg+0xee/0x170 [ 3135.593741][ T10] __sys_sendmsg+0xcd/0x170 [ 3135.593741][ T10] do_syscall_64+0xc6/0x1e0 [ 3135.593741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3135.593741][ T10] [ 3135.595480][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3135.595714][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3135.595714][ T10] netdev_get_by_index+0x5e/0x80 [ 3135.595714][ T10] fib6_nh_init+0x3d8/0x1580 [ 3135.595714][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3135.595714][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3135.595714][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3135.595714][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3135.595714][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3135.595714][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3135.595714][ T10] addrconf_dad_begin+0x310/0x670 [ 3135.595714][ T10] addrconf_dad_work+0x10b/0xab0 [ 3135.595714][ T10] process_one_work+0x84d/0x18a0 [ 3135.595714][ T10] worker_thread+0x587/0xd30 [ 3135.595714][ T10] kthread+0x28a/0x350 [ 3135.595714][ T10] ret_from_fork+0x31/0x70 [ 3135.595714][ T10] ret_from_fork_asm+0x1a/0x30 [ 3135.595714][ T10] [ 3135.597796][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3135.597796][ T10] netdev_get_by_index+0x5e/0x80 [ 3135.597796][ T10] fib6_nh_init+0x3d8/0x1580 [ 3135.597796][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3135.597796][ T10] ip6_route_add+0x1c/0x140 [ 3135.597796][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3135.597796][ T10] inet6_addr_add+0x4f8/0xa40 [ 3135.597796][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3135.597796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3135.597796][ T10] netlink_rcv_skb+0x130/0x360 [ 3135.597796][ T10] netlink_unicast+0x449/0x710 [ 3135.597796][ T10] netlink_sendmsg+0x723/0xbe0 [ 3135.597796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3135.597796][ T10] ___sys_sendmsg+0xee/0x170 [ 3135.597796][ T10] __sys_sendmsg+0xcd/0x170 [ 3135.597796][ T10] do_syscall_64+0xc6/0x1e0 [ 3135.597796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3135.597796][ T10] [ 3135.599907][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3135.599907][ T10] netdev_get_by_index+0x5e/0x80 [ 3135.599907][ T10] fib6_nh_init+0x3d8/0x1580 [ 3135.599907][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3135.599907][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3135.599907][ T10] ipv6_add_addr+0x411/0x2000 [ 3135.599907][ T10] inet6_addr_add+0x30e/0xa40 [ 3135.599907][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3135.599907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3135.599907][ T10] netlink_rcv_skb+0x130/0x360 [ 3135.599907][ T10] netlink_unicast+0x449/0x710 [ 3135.599907][ T10] netlink_sendmsg+0x723/0xbe0 [ 3135.599907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3135.599907][ T10] ___sys_sendmsg+0xee/0x170 [ 3135.599907][ T10] __sys_sendmsg+0xcd/0x170 [ 3135.599907][ T10] do_syscall_64+0xc6/0x1e0 [ 3135.599907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3135.599907][ T10] [ 3135.602011][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3135.602011][ T10] netdev_get_by_index+0x5e/0x80 [ 3135.602011][ T10] fib6_nh_init+0x3d8/0x1580 [ 3135.602011][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3135.602011][ T10] ip6_route_add+0x1c/0x140 [ 3135.602011][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3135.602011][ T10] addrconf_add_dev+0xe2/0x170 [ 3135.602011][ T10] inet6_addr_add+0x12f/0xa40 [ 3135.602011][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3135.602011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3135.602011][ T10] netlink_rcv_skb+0x130/0x360 [ 3135.602011][ T10] netlink_unicast+0x449/0x710 [ 3135.602011][ T10] netlink_sendmsg+0x723/0xbe0 [ 3135.602011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3135.602011][ T10] ___sys_sendmsg+0xee/0x170 [ 3135.602011][ T10] __sys_sendmsg+0xcd/0x170 [ 3135.602011][ T10] do_syscall_64+0xc6/0x1e0 [ 3135.602011][ T10] [ 3135.604095][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3135.604095][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3135.604095][ T10] ipv6_find_idev+0x102/0x170 [ 3135.604095][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3135.604095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3135.604095][ T10] netlink_rcv_skb+0x130/0x360 [ 3135.604095][ T10] netlink_unicast+0x449/0x710 [ 3135.604095][ T10] netlink_sendmsg+0x723/0xbe0 [ 3135.604095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3135.604095][ T10] ___sys_sendmsg+0xee/0x170 [ 3135.604095][ T10] __sys_sendmsg+0xcd/0x170 [ 3135.604095][ T10] do_syscall_64+0xc6/0x1e0 [ 3135.604095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3135.604095][ T10] [ 3135.605691][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3135.605691][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3135.605691][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3135.605691][ T10] ipv6_find_idev+0x102/0x170 [ 3135.605691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3135.605691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3135.605691][ T10] netlink_rcv_skb+0x130/0x360 [ 3135.605691][ T10] netlink_unicast+0x449/0x710 [ 3135.605691][ T10] netlink_sendmsg+0x723/0xbe0 [ 3135.605691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3135.605691][ T10] ___sys_sendmsg+0xee/0x170 [ 3135.605691][ T10] __sys_sendmsg+0xcd/0x170 [ 3135.605691][ T10] do_syscall_64+0xc6/0x1e0 [ 3135.605691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3135.605691][ T10] [ 3137.105185][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3137.105615][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3137.105615][ T1167] dst_init+0x84/0x4a0 [ 3137.105615][ T1167] dst_alloc+0x97/0x150 [ 3137.105615][ T1167] ip6_dst_alloc+0x23/0x90 [ 3137.105615][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3137.105615][ T1167] ip6_pol_route+0x56f/0x840 [ 3137.105615][ T1167] fib6_rule_lookup+0x334/0x630 [ 3137.105615][ T1167] ip6_route_output_flags+0x259/0x480 [ 3137.105615][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3137.105615][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3137.105615][ T1167] netlink_rcv_skb+0x130/0x360 [ 3137.105615][ T1167] netlink_unicast+0x449/0x710 [ 3137.105615][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3137.105615][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3137.105615][ T1167] ___sys_sendmsg+0xee/0x170 [ 3137.105615][ T1167] __sys_sendmsg+0xcd/0x170 [ 3137.105615][ T1167] do_syscall_64+0xc6/0x1e0 [ 3137.105615][ T1167] [ 3137.107851][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3137.107851][ T1167] netdev_get_by_index+0x5e/0x80 [ 3137.107851][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3137.107851][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3137.107851][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3137.107851][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3137.107851][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3137.107851][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3137.107851][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3137.107851][ T1167] addrconf_dad_begin+0x310/0x670 [ 3137.107851][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3137.107851][ T1167] process_one_work+0x84d/0x18a0 [ 3137.107851][ T1167] worker_thread+0x587/0xd30 [ 3137.107851][ T1167] kthread+0x28a/0x350 [ 3137.107851][ T1167] ret_from_fork+0x31/0x70 [ 3137.107851][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3137.107851][ T1167] [ 3137.110035][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3137.110035][ T1167] netdev_get_by_index+0x5e/0x80 [ 3137.110035][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3137.110035][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3137.110035][ T1167] ip6_route_add+0x1c/0x140 [ 3137.110035][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3137.110035][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3137.110035][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3137.110035][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3137.110035][ T1167] netlink_rcv_skb+0x130/0x360 [ 3137.110035][ T1167] netlink_unicast+0x449/0x710 [ 3137.110035][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3137.110035][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3137.110035][ T1167] ___sys_sendmsg+0xee/0x170 [ 3137.110035][ T1167] __sys_sendmsg+0xcd/0x170 [ 3137.110035][ T1167] do_syscall_64+0xc6/0x1e0 [ 3137.110035][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3137.110035][ T1167] [ 3137.112291][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3137.112291][ T1167] netdev_get_by_index+0x5e/0x80 [ 3137.112291][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3137.112291][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3137.112291][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3137.112291][ T1167] ipv6_add_addr+0x411/0x2000 [ 3137.112291][ T1167] inet6_addr_add+0x30e/0xa40 [ 3137.112291][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3137.112291][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3137.112291][ T1167] netlink_rcv_skb+0x130/0x360 [ 3137.112291][ T1167] netlink_unicast+0x449/0x710 [ 3137.112291][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3137.112291][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3137.112291][ T1167] ___sys_sendmsg+0xee/0x170 [ 3137.112291][ T1167] __sys_sendmsg+0xcd/0x170 [ 3137.112291][ T1167] do_syscall_64+0xc6/0x1e0 [ 3137.112291][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3137.112291][ T1167] [ 3137.114562][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3137.114562][ T1167] netdev_get_by_index+0x5e/0x80 [ 3137.114562][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3137.114562][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3137.114562][ T1167] ip6_route_add+0x1c/0x140 [ 3137.114562][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3137.114562][ T1167] addrconf_add_dev+0xe2/0x170 [ 3137.114562][ T1167] inet6_addr_add+0x12f/0xa40 [ 3137.114562][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3137.114562][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3137.114562][ T1167] netlink_rcv_skb+0x130/0x360 [ 3137.114562][ T1167] netlink_unicast+0x449/0x710 [ 3137.114562][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3137.114562][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3137.114562][ T1167] ___sys_sendmsg+0xee/0x170 [ 3137.114562][ T1167] __sys_sendmsg+0xcd/0x170 [ 3137.114562][ T1167] do_syscall_64+0xc6/0x1e0 [ 3137.114562][ T1167] [ 3137.116783][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3137.116783][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3137.116783][ T1167] ipv6_find_idev+0x102/0x170 [ 3137.116783][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3137.116783][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3137.116783][ T1167] netlink_rcv_skb+0x130/0x360 [ 3137.116783][ T1167] netlink_unicast+0x449/0x710 [ 3137.116783][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3137.116783][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3137.116783][ T1167] ___sys_sendmsg+0xee/0x170 [ 3137.116783][ T1167] __sys_sendmsg+0xcd/0x170 [ 3137.116783][ T1167] do_syscall_64+0xc6/0x1e0 [ 3137.116783][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3137.116783][ T1167] [ 3137.118519][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3137.118519][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3137.118519][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3137.118519][ T1167] ipv6_find_idev+0x102/0x170 [ 3137.118519][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3137.118519][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3137.118519][ T1167] netlink_rcv_skb+0x130/0x360 [ 3137.118519][ T1167] netlink_unicast+0x449/0x710 [ 3137.118519][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3137.118519][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3137.118519][ T1167] ___sys_sendmsg+0xee/0x170 [ 3137.118519][ T1167] __sys_sendmsg+0xcd/0x170 [ 3137.118519][ T1167] do_syscall_64+0xc6/0x1e0 [ 3137.118519][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3137.118519][ T1167] [ 3145.809145][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3145.809491][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3145.809491][ T10] netdev_get_by_index+0x5e/0x80 [ 3145.809491][ T10] fib6_nh_init+0x3d8/0x1580 [ 3145.809491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3145.809491][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3145.809491][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3145.809491][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3145.809491][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3145.809491][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3145.809491][ T10] addrconf_dad_begin+0x310/0x670 [ 3145.809491][ T10] addrconf_dad_work+0x10b/0xab0 [ 3145.809491][ T10] process_one_work+0x84d/0x18a0 [ 3145.809491][ T10] worker_thread+0x587/0xd30 [ 3145.809491][ T10] kthread+0x28a/0x350 [ 3145.809491][ T10] ret_from_fork+0x31/0x70 [ 3145.809491][ T10] ret_from_fork_asm+0x1a/0x30 [ 3145.809491][ T10] [ 3145.811488][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3145.811488][ T10] netdev_get_by_index+0x5e/0x80 [ 3145.811488][ T10] fib6_nh_init+0x3d8/0x1580 [ 3145.811488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3145.811488][ T10] ip6_route_add+0x1c/0x140 [ 3145.811488][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3145.811488][ T10] inet6_addr_add+0x4f8/0xa40 [ 3145.811488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3145.811488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3145.811488][ T10] netlink_rcv_skb+0x130/0x360 [ 3145.811488][ T10] netlink_unicast+0x449/0x710 [ 3145.811488][ T10] netlink_sendmsg+0x723/0xbe0 [ 3145.811488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3145.811488][ T10] ___sys_sendmsg+0xee/0x170 [ 3145.811488][ T10] __sys_sendmsg+0xcd/0x170 [ 3145.811488][ T10] do_syscall_64+0xc6/0x1e0 [ 3145.811488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3145.811488][ T10] [ 3145.813484][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3145.813484][ T10] netdev_get_by_index+0x5e/0x80 [ 3145.813484][ T10] fib6_nh_init+0x3d8/0x1580 [ 3145.813484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3145.813484][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3145.813484][ T10] ipv6_add_addr+0x411/0x2000 [ 3145.813484][ T10] inet6_addr_add+0x30e/0xa40 [ 3145.813484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3145.813484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3145.813484][ T10] netlink_rcv_skb+0x130/0x360 [ 3145.813484][ T10] netlink_unicast+0x449/0x710 [ 3145.813484][ T10] netlink_sendmsg+0x723/0xbe0 [ 3145.813484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3145.813484][ T10] ___sys_sendmsg+0xee/0x170 [ 3145.813484][ T10] __sys_sendmsg+0xcd/0x170 [ 3145.813484][ T10] do_syscall_64+0xc6/0x1e0 [ 3145.813484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3145.813484][ T10] [ 3145.815463][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3145.815463][ T10] netdev_get_by_index+0x5e/0x80 [ 3145.815463][ T10] fib6_nh_init+0x3d8/0x1580 [ 3145.815463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3145.815463][ T10] ip6_route_add+0x1c/0x140 [ 3145.815463][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3145.815463][ T10] addrconf_add_dev+0xe2/0x170 [ 3145.815463][ T10] inet6_addr_add+0x12f/0xa40 [ 3145.815463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3145.815463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3145.815463][ T10] netlink_rcv_skb+0x130/0x360 [ 3145.815463][ T10] netlink_unicast+0x449/0x710 [ 3145.815463][ T10] netlink_sendmsg+0x723/0xbe0 [ 3145.815463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3145.815463][ T10] ___sys_sendmsg+0xee/0x170 [ 3145.815463][ T10] __sys_sendmsg+0xcd/0x170 [ 3145.815463][ T10] do_syscall_64+0xc6/0x1e0 [ 3145.815463][ T10] [ 3145.817409][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3145.817409][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3145.817409][ T10] ipv6_find_idev+0x102/0x170 [ 3145.817409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3145.817409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3145.817409][ T10] netlink_rcv_skb+0x130/0x360 [ 3145.817409][ T10] netlink_unicast+0x449/0x710 [ 3145.817409][ T10] netlink_sendmsg+0x723/0xbe0 [ 3145.817409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3145.817409][ T10] ___sys_sendmsg+0xee/0x170 [ 3145.817409][ T10] __sys_sendmsg+0xcd/0x170 [ 3145.817409][ T10] do_syscall_64+0xc6/0x1e0 [ 3145.817409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3145.817409][ T10] [ 3145.818943][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3145.818943][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3145.818943][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3145.818943][ T10] ipv6_find_idev+0x102/0x170 [ 3145.818943][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3145.818943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3145.818943][ T10] netlink_rcv_skb+0x130/0x360 [ 3145.818943][ T10] netlink_unicast+0x449/0x710 [ 3145.818943][ T10] netlink_sendmsg+0x723/0xbe0 [ 3145.818943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3145.818943][ T10] ___sys_sendmsg+0xee/0x170 [ 3145.818943][ T10] __sys_sendmsg+0xcd/0x170 [ 3145.818943][ T10] do_syscall_64+0xc6/0x1e0 [ 3145.818943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3145.818943][ T10] [ 3145.820610][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3145.820850][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3145.820850][ T10] netdev_get_by_index+0x5e/0x80 [ 3145.820850][ T10] fib6_nh_init+0x3d8/0x1580 [ 3145.820850][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3145.820850][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3145.820850][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3145.820850][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3145.820850][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3145.820850][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3145.820850][ T10] addrconf_dad_begin+0x310/0x670 [ 3145.820850][ T10] addrconf_dad_work+0x10b/0xab0 [ 3145.820850][ T10] process_one_work+0x84d/0x18a0 [ 3145.820850][ T10] worker_thread+0x587/0xd30 [ 3145.820850][ T10] kthread+0x28a/0x350 [ 3145.820850][ T10] ret_from_fork+0x31/0x70 [ 3145.820850][ T10] ret_from_fork_asm+0x1a/0x30 [ 3145.820850][ T10] [ 3145.822762][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3145.822762][ T10] netdev_get_by_index+0x5e/0x80 [ 3145.822762][ T10] fib6_nh_init+0x3d8/0x1580 [ 3145.822762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3145.822762][ T10] ip6_route_add+0x1c/0x140 [ 3145.822762][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3145.822762][ T10] inet6_addr_add+0x4f8/0xa40 [ 3145.822762][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3145.822762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3145.822762][ T10] netlink_rcv_skb+0x130/0x360 [ 3145.822762][ T10] netlink_unicast+0x449/0x710 [ 3145.822762][ T10] netlink_sendmsg+0x723/0xbe0 [ 3145.822762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3145.822762][ T10] ___sys_sendmsg+0xee/0x170 [ 3145.822762][ T10] __sys_sendmsg+0xcd/0x170 [ 3145.822762][ T10] do_syscall_64+0xc6/0x1e0 [ 3145.822762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3145.822762][ T10] [ 3145.824747][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3145.824747][ T10] netdev_get_by_index+0x5e/0x80 [ 3145.824747][ T10] fib6_nh_init+0x3d8/0x1580 [ 3145.824747][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3145.824747][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3145.824747][ T10] ipv6_add_addr+0x411/0x2000 [ 3145.824747][ T10] inet6_addr_add+0x30e/0xa40 [ 3145.824747][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3145.824747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3145.824747][ T10] netlink_rcv_skb+0x130/0x360 [ 3145.824747][ T10] netlink_unicast+0x449/0x710 [ 3145.824747][ T10] netlink_sendmsg+0x723/0xbe0 [ 3145.824747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3145.824747][ T10] ___sys_sendmsg+0xee/0x170 [ 3145.824747][ T10] __sys_sendmsg+0xcd/0x170 [ 3145.824747][ T10] do_syscall_64+0xc6/0x1e0 [ 3145.824747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3145.824747][ T10] [ 3145.826723][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3145.826723][ T10] netdev_get_by_index+0x5e/0x80 [ 3145.826723][ T10] fib6_nh_init+0x3d8/0x1580 [ 3145.826723][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3145.826723][ T10] ip6_route_add+0x1c/0x140 [ 3145.826723][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3145.826723][ T10] addrconf_add_dev+0xe2/0x170 [ 3145.826723][ T10] inet6_addr_add+0x12f/0xa40 [ 3145.826723][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3145.826723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3145.826723][ T10] netlink_rcv_skb+0x130/0x360 [ 3145.826723][ T10] netlink_unicast+0x449/0x710 [ 3145.826723][ T10] netlink_sendmsg+0x723/0xbe0 [ 3145.826723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3145.826723][ T10] ___sys_sendmsg+0xee/0x170 [ 3145.826723][ T10] __sys_sendmsg+0xcd/0x170 [ 3145.826723][ T10] do_syscall_64+0xc6/0x1e0 [ 3145.826723][ T10] [ 3145.828667][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3145.828667][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3145.828667][ T10] ipv6_find_idev+0x102/0x170 [ 3145.828667][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3145.828667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3145.828667][ T10] netlink_rcv_skb+0x130/0x360 [ 3145.828667][ T10] netlink_unicast+0x449/0x710 [ 3145.828667][ T10] netlink_sendmsg+0x723/0xbe0 [ 3145.828667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3145.828667][ T10] ___sys_sendmsg+0xee/0x170 [ 3145.828667][ T10] __sys_sendmsg+0xcd/0x170 [ 3145.828667][ T10] do_syscall_64+0xc6/0x1e0 [ 3145.828667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3145.828667][ T10] [ 3145.830194][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3145.830194][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3145.830194][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3145.830194][ T10] ipv6_find_idev+0x102/0x170 [ 3145.830194][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3145.830194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3145.830194][ T10] netlink_rcv_skb+0x130/0x360 [ 3145.830194][ T10] netlink_unicast+0x449/0x710 [ 3145.830194][ T10] netlink_sendmsg+0x723/0xbe0 [ 3145.830194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3145.830194][ T10] ___sys_sendmsg+0xee/0x170 [ 3145.830194][ T10] __sys_sendmsg+0xcd/0x170 [ 3145.830194][ T10] do_syscall_64+0xc6/0x1e0 [ 3145.830194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3145.830194][ T10] [ 3145.831867][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3145.832115][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3145.832115][ T10] netdev_get_by_index+0x5e/0x80 [ 3145.832115][ T10] fib6_nh_init+0x3d8/0x1580 [ 3145.832115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3145.832115][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3145.832115][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3145.832115][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3145.832115][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3145.832115][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3145.832115][ T10] addrconf_dad_begin+0x310/0x670 [ 3145.832115][ T10] addrconf_dad_work+0x10b/0xab0 [ 3145.832115][ T10] process_one_work+0x84d/0x18a0 [ 3145.832115][ T10] worker_thread+0x587/0xd30 [ 3145.832115][ T10] kthread+0x28a/0x350 [ 3145.832115][ T10] ret_from_fork+0x31/0x70 [ 3145.832115][ T10] ret_from_fork_asm+0x1a/0x30 [ 3145.832115][ T10] [ 3145.834012][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3145.834012][ T10] netdev_get_by_index+0x5e/0x80 [ 3145.834012][ T10] fib6_nh_init+0x3d8/0x1580 [ 3145.834012][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3145.834012][ T10] ip6_route_add+0x1c/0x140 [ 3145.834012][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3145.834012][ T10] inet6_addr_add+0x4f8/0xa40 [ 3145.834012][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3145.834012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3145.834012][ T10] netlink_rcv_skb+0x130/0x360 [ 3145.834012][ T10] netlink_unicast+0x449/0x710 [ 3145.834012][ T10] netlink_sendmsg+0x723/0xbe0 [ 3145.834012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3145.834012][ T10] ___sys_sendmsg+0xee/0x170 [ 3145.834012][ T10] __sys_sendmsg+0xcd/0x170 [ 3145.834012][ T10] do_syscall_64+0xc6/0x1e0 [ 3145.834012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3145.834012][ T10] [ 3145.836183][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3145.836183][ T10] netdev_get_by_index+0x5e/0x80 [ 3145.836183][ T10] fib6_nh_init+0x3d8/0x1580 [ 3145.836183][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3145.836183][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3145.836183][ T10] ipv6_add_addr+0x411/0x2000 [ 3145.836183][ T10] inet6_addr_add+0x30e/0xa40 [ 3145.836183][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3145.836183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3145.836183][ T10] netlink_rcv_skb+0x130/0x360 [ 3145.836183][ T10] netlink_unicast+0x449/0x710 [ 3145.836183][ T10] netlink_sendmsg+0x723/0xbe0 [ 3145.836183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3145.836183][ T10] ___sys_sendmsg+0xee/0x170 [ 3145.836183][ T10] __sys_sendmsg+0xcd/0x170 [ 3145.836183][ T10] do_syscall_64+0xc6/0x1e0 [ 3145.836183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3145.836183][ T10] [ 3145.838409][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3145.838409][ T10] netdev_get_by_index+0x5e/0x80 [ 3145.838409][ T10] fib6_nh_init+0x3d8/0x1580 [ 3145.838409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3145.838409][ T10] ip6_route_add+0x1c/0x140 [ 3145.838409][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3145.838409][ T10] addrconf_add_dev+0xe2/0x170 [ 3145.838409][ T10] inet6_addr_add+0x12f/0xa40 [ 3145.838409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3145.838409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3145.838409][ T10] netlink_rcv_skb+0x130/0x360 [ 3145.838409][ T10] netlink_unicast+0x449/0x710 [ 3145.838409][ T10] netlink_sendmsg+0x723/0xbe0 [ 3145.838409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3145.838409][ T10] ___sys_sendmsg+0xee/0x170 [ 3145.838409][ T10] __sys_sendmsg+0xcd/0x170 [ 3145.838409][ T10] do_syscall_64+0xc6/0x1e0 [ 3145.838409][ T10] [ 3145.840535][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3145.840535][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3145.840535][ T10] ipv6_find_idev+0x102/0x170 [ 3145.840535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3145.840535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3145.840535][ T10] netlink_rcv_skb+0x130/0x360 [ 3145.840535][ T10] netlink_unicast+0x449/0x710 [ 3145.840535][ T10] netlink_sendmsg+0x723/0xbe0 [ 3145.840535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3145.840535][ T10] ___sys_sendmsg+0xee/0x170 [ 3145.840535][ T10] __sys_sendmsg+0xcd/0x170 [ 3145.840535][ T10] do_syscall_64+0xc6/0x1e0 [ 3145.840535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3145.840535][ T10] [ 3145.842241][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3145.842241][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3145.842241][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3145.842241][ T10] ipv6_find_idev+0x102/0x170 [ 3145.842241][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3145.842241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3145.842241][ T10] netlink_rcv_skb+0x130/0x360 [ 3145.842241][ T10] netlink_unicast+0x449/0x710 [ 3145.842241][ T10] netlink_sendmsg+0x723/0xbe0 [ 3145.842241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3145.842241][ T10] ___sys_sendmsg+0xee/0x170 [ 3145.842241][ T10] __sys_sendmsg+0xcd/0x170 [ 3145.842241][ T10] do_syscall_64+0xc6/0x1e0 [ 3145.842241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3145.842241][ T10] [ 3145.844250][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3145.844491][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3145.844491][ T10] netdev_get_by_index+0x5e/0x80 [ 3145.844491][ T10] fib6_nh_init+0x3d8/0x1580 [ 3145.844491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3145.844491][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3145.844491][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3145.844491][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3145.844491][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3145.844491][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3145.844491][ T10] addrconf_dad_begin+0x310/0x670 [ 3145.844491][ T10] addrconf_dad_work+0x10b/0xab0 [ 3145.844491][ T10] process_one_work+0x84d/0x18a0 [ 3145.844491][ T10] worker_thread+0x587/0xd30 [ 3145.844491][ T10] kthread+0x28a/0x350 [ 3145.844491][ T10] ret_from_fork+0x31/0x70 [ 3145.844491][ T10] ret_from_fork_asm+0x1a/0x30 [ 3145.844491][ T10] [ 3145.846626][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3145.846626][ T10] netdev_get_by_index+0x5e/0x80 [ 3145.846626][ T10] fib6_nh_init+0x3d8/0x1580 [ 3145.846626][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3145.846626][ T10] ip6_route_add+0x1c/0x140 [ 3145.846626][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3145.846626][ T10] inet6_addr_add+0x4f8/0xa40 [ 3145.846626][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3145.846626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3145.846626][ T10] netlink_rcv_skb+0x130/0x360 [ 3145.846626][ T10] netlink_unicast+0x449/0x710 [ 3145.846626][ T10] netlink_sendmsg+0x723/0xbe0 [ 3145.846626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3145.846626][ T10] ___sys_sendmsg+0xee/0x170 [ 3145.846626][ T10] __sys_sendmsg+0xcd/0x170 [ 3145.846626][ T10] do_syscall_64+0xc6/0x1e0 [ 3145.846626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3145.846626][ T10] [ 3145.848783][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3145.848783][ T10] netdev_get_by_index+0x5e/0x80 [ 3145.848783][ T10] fib6_nh_init+0x3d8/0x1580 [ 3145.848783][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3145.848783][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3145.848783][ T10] ipv6_add_addr+0x411/0x2000 [ 3145.848783][ T10] inet6_addr_add+0x30e/0xa40 [ 3145.848783][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3145.848783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3145.848783][ T10] netlink_rcv_skb+0x130/0x360 [ 3145.848783][ T10] netlink_unicast+0x449/0x710 [ 3145.848783][ T10] netlink_sendmsg+0x723/0xbe0 [ 3145.848783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3145.848783][ T10] ___sys_sendmsg+0xee/0x170 [ 3145.848783][ T10] __sys_sendmsg+0xcd/0x170 [ 3145.848783][ T10] do_syscall_64+0xc6/0x1e0 [ 3145.848783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3145.848783][ T10] [ 3145.851009][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3145.851009][ T10] netdev_get_by_index+0x5e/0x80 [ 3145.851009][ T10] fib6_nh_init+0x3d8/0x1580 [ 3145.851009][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3145.851009][ T10] ip6_route_add+0x1c/0x140 [ 3145.851009][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3145.851009][ T10] addrconf_add_dev+0xe2/0x170 [ 3145.851009][ T10] inet6_addr_add+0x12f/0xa40 [ 3145.851009][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3145.851009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3145.851009][ T10] netlink_rcv_skb+0x130/0x360 [ 3145.851009][ T10] netlink_unicast+0x449/0x710 [ 3145.851009][ T10] netlink_sendmsg+0x723/0xbe0 [ 3145.851009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3145.851009][ T10] ___sys_sendmsg+0xee/0x170 [ 3145.851009][ T10] __sys_sendmsg+0xcd/0x170 [ 3145.851009][ T10] do_syscall_64+0xc6/0x1e0 [ 3145.851009][ T10] [ 3145.853300][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3145.853300][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3145.853300][ T10] ipv6_find_idev+0x102/0x170 [ 3145.853300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3145.853300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3145.853300][ T10] netlink_rcv_skb+0x130/0x360 [ 3145.853300][ T10] netlink_unicast+0x449/0x710 [ 3145.853300][ T10] netlink_sendmsg+0x723/0xbe0 [ 3145.853300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3145.853300][ T10] ___sys_sendmsg+0xee/0x170 [ 3145.853300][ T10] __sys_sendmsg+0xcd/0x170 [ 3145.853300][ T10] do_syscall_64+0xc6/0x1e0 [ 3145.853300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3145.853300][ T10] [ 3145.855031][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3145.855031][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3145.855031][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3145.855031][ T10] ipv6_find_idev+0x102/0x170 [ 3145.855031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3145.855031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3145.855031][ T10] netlink_rcv_skb+0x130/0x360 [ 3145.855031][ T10] netlink_unicast+0x449/0x710 [ 3145.855031][ T10] netlink_sendmsg+0x723/0xbe0 [ 3145.855031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3145.855031][ T10] ___sys_sendmsg+0xee/0x170 [ 3145.855031][ T10] __sys_sendmsg+0xcd/0x170 [ 3145.855031][ T10] do_syscall_64+0xc6/0x1e0 [ 3145.855031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3145.855031][ T10] [ 3147.281229][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3147.281736][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3147.281736][ T1167] dst_init+0x84/0x4a0 [ 3147.281736][ T1167] dst_alloc+0x97/0x150 [ 3147.281736][ T1167] ip6_dst_alloc+0x23/0x90 [ 3147.281736][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3147.281736][ T1167] ip6_pol_route+0x56f/0x840 [ 3147.281736][ T1167] fib6_rule_lookup+0x334/0x630 [ 3147.281736][ T1167] ip6_route_output_flags+0x259/0x480 [ 3147.281736][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3147.281736][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3147.281736][ T1167] netlink_rcv_skb+0x130/0x360 [ 3147.281736][ T1167] netlink_unicast+0x449/0x710 [ 3147.281736][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3147.281736][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3147.281736][ T1167] ___sys_sendmsg+0xee/0x170 [ 3147.281736][ T1167] __sys_sendmsg+0xcd/0x170 [ 3147.281736][ T1167] do_syscall_64+0xc6/0x1e0 [ 3147.281736][ T1167] [ 3147.283989][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3147.283989][ T1167] netdev_get_by_index+0x5e/0x80 [ 3147.283989][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3147.283989][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3147.283989][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3147.283989][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3147.283989][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3147.283989][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3147.283989][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3147.283989][ T1167] addrconf_dad_begin+0x310/0x670 [ 3147.283989][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3147.283989][ T1167] process_one_work+0x84d/0x18a0 [ 3147.283989][ T1167] worker_thread+0x587/0xd30 [ 3147.283989][ T1167] kthread+0x28a/0x350 [ 3147.283989][ T1167] ret_from_fork+0x31/0x70 [ 3147.283989][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3147.283989][ T1167] [ 3147.286164][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3147.286164][ T1167] netdev_get_by_index+0x5e/0x80 [ 3147.286164][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3147.286164][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3147.286164][ T1167] ip6_route_add+0x1c/0x140 [ 3147.286164][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3147.286164][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3147.286164][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3147.286164][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3147.286164][ T1167] netlink_rcv_skb+0x130/0x360 [ 3147.286164][ T1167] netlink_unicast+0x449/0x710 [ 3147.286164][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3147.286164][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3147.286164][ T1167] ___sys_sendmsg+0xee/0x170 [ 3147.286164][ T1167] __sys_sendmsg+0xcd/0x170 [ 3147.286164][ T1167] do_syscall_64+0xc6/0x1e0 [ 3147.286164][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3147.286164][ T1167] [ 3147.288428][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3147.288428][ T1167] netdev_get_by_index+0x5e/0x80 [ 3147.288428][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3147.288428][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3147.288428][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3147.288428][ T1167] ipv6_add_addr+0x411/0x2000 [ 3147.288428][ T1167] inet6_addr_add+0x30e/0xa40 [ 3147.288428][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3147.288428][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3147.288428][ T1167] netlink_rcv_skb+0x130/0x360 [ 3147.288428][ T1167] netlink_unicast+0x449/0x710 [ 3147.288428][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3147.288428][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3147.288428][ T1167] ___sys_sendmsg+0xee/0x170 [ 3147.288428][ T1167] __sys_sendmsg+0xcd/0x170 [ 3147.288428][ T1167] do_syscall_64+0xc6/0x1e0 [ 3147.288428][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3147.288428][ T1167] [ 3147.290698][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3147.290698][ T1167] netdev_get_by_index+0x5e/0x80 [ 3147.290698][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3147.290698][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3147.290698][ T1167] ip6_route_add+0x1c/0x140 [ 3147.290698][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3147.290698][ T1167] addrconf_add_dev+0xe2/0x170 [ 3147.290698][ T1167] inet6_addr_add+0x12f/0xa40 [ 3147.290698][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3147.290698][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3147.290698][ T1167] netlink_rcv_skb+0x130/0x360 [ 3147.290698][ T1167] netlink_unicast+0x449/0x710 [ 3147.290698][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3147.290698][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3147.290698][ T1167] ___sys_sendmsg+0xee/0x170 [ 3147.290698][ T1167] __sys_sendmsg+0xcd/0x170 [ 3147.290698][ T1167] do_syscall_64+0xc6/0x1e0 [ 3147.290698][ T1167] [ 3147.292910][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3147.292910][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3147.292910][ T1167] ipv6_find_idev+0x102/0x170 [ 3147.292910][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3147.292910][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3147.292910][ T1167] netlink_rcv_skb+0x130/0x360 [ 3147.292910][ T1167] netlink_unicast+0x449/0x710 [ 3147.292910][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3147.292910][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3147.292910][ T1167] ___sys_sendmsg+0xee/0x170 [ 3147.292910][ T1167] __sys_sendmsg+0xcd/0x170 [ 3147.292910][ T1167] do_syscall_64+0xc6/0x1e0 [ 3147.292910][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3147.292910][ T1167] [ 3147.294651][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3147.294651][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3147.294651][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3147.294651][ T1167] ipv6_find_idev+0x102/0x170 [ 3147.294651][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3147.294651][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3147.294651][ T1167] netlink_rcv_skb+0x130/0x360 [ 3147.294651][ T1167] netlink_unicast+0x449/0x710 [ 3147.294651][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3147.294651][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3147.294651][ T1167] ___sys_sendmsg+0xee/0x170 [ 3147.294651][ T1167] __sys_sendmsg+0xcd/0x170 [ 3147.294651][ T1167] do_syscall_64+0xc6/0x1e0 [ 3147.294651][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3147.294651][ T1167] [ 3155.881139][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3155.881544][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3155.881544][ T10] netdev_get_by_index+0x5e/0x80 [ 3155.881544][ T10] fib6_nh_init+0x3d8/0x1580 [ 3155.881544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3155.881544][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3155.881544][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3155.881544][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3155.881544][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3155.881544][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3155.881544][ T10] addrconf_dad_begin+0x310/0x670 [ 3155.881544][ T10] addrconf_dad_work+0x10b/0xab0 [ 3155.881544][ T10] process_one_work+0x84d/0x18a0 [ 3155.881544][ T10] worker_thread+0x587/0xd30 [ 3155.881544][ T10] kthread+0x28a/0x350 [ 3155.881544][ T10] ret_from_fork+0x31/0x70 [ 3155.881544][ T10] ret_from_fork_asm+0x1a/0x30 [ 3155.881544][ T10] [ 3155.883479][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3155.883479][ T10] netdev_get_by_index+0x5e/0x80 [ 3155.883479][ T10] fib6_nh_init+0x3d8/0x1580 [ 3155.883479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3155.883479][ T10] ip6_route_add+0x1c/0x140 [ 3155.883479][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3155.883479][ T10] inet6_addr_add+0x4f8/0xa40 [ 3155.883479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3155.883479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3155.883479][ T10] netlink_rcv_skb+0x130/0x360 [ 3155.883479][ T10] netlink_unicast+0x449/0x710 [ 3155.883479][ T10] netlink_sendmsg+0x723/0xbe0 [ 3155.883479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3155.883479][ T10] ___sys_sendmsg+0xee/0x170 [ 3155.883479][ T10] __sys_sendmsg+0xcd/0x170 [ 3155.883479][ T10] do_syscall_64+0xc6/0x1e0 [ 3155.883479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3155.883479][ T10] [ 3155.885459][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3155.885459][ T10] netdev_get_by_index+0x5e/0x80 [ 3155.885459][ T10] fib6_nh_init+0x3d8/0x1580 [ 3155.885459][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3155.885459][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3155.885459][ T10] ipv6_add_addr+0x411/0x2000 [ 3155.885459][ T10] inet6_addr_add+0x30e/0xa40 [ 3155.885459][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3155.885459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3155.885459][ T10] netlink_rcv_skb+0x130/0x360 [ 3155.885459][ T10] netlink_unicast+0x449/0x710 [ 3155.885459][ T10] netlink_sendmsg+0x723/0xbe0 [ 3155.885459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3155.885459][ T10] ___sys_sendmsg+0xee/0x170 [ 3155.885459][ T10] __sys_sendmsg+0xcd/0x170 [ 3155.885459][ T10] do_syscall_64+0xc6/0x1e0 [ 3155.885459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3155.885459][ T10] [ 3155.887452][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3155.887452][ T10] netdev_get_by_index+0x5e/0x80 [ 3155.887452][ T10] fib6_nh_init+0x3d8/0x1580 [ 3155.887452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3155.887452][ T10] ip6_route_add+0x1c/0x140 [ 3155.887452][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3155.887452][ T10] addrconf_add_dev+0xe2/0x170 [ 3155.887452][ T10] inet6_addr_add+0x12f/0xa40 [ 3155.887452][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3155.887452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3155.887452][ T10] netlink_rcv_skb+0x130/0x360 [ 3155.887452][ T10] netlink_unicast+0x449/0x710 [ 3155.887452][ T10] netlink_sendmsg+0x723/0xbe0 [ 3155.887452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3155.887452][ T10] ___sys_sendmsg+0xee/0x170 [ 3155.887452][ T10] __sys_sendmsg+0xcd/0x170 [ 3155.887452][ T10] do_syscall_64+0xc6/0x1e0 [ 3155.887452][ T10] [ 3155.889396][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3155.889396][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3155.889396][ T10] ipv6_find_idev+0x102/0x170 [ 3155.889396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3155.889396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3155.889396][ T10] netlink_rcv_skb+0x130/0x360 [ 3155.889396][ T10] netlink_unicast+0x449/0x710 [ 3155.889396][ T10] netlink_sendmsg+0x723/0xbe0 [ 3155.889396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3155.889396][ T10] ___sys_sendmsg+0xee/0x170 [ 3155.889396][ T10] __sys_sendmsg+0xcd/0x170 [ 3155.889396][ T10] do_syscall_64+0xc6/0x1e0 [ 3155.889396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3155.889396][ T10] [ 3155.890929][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3155.890929][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3155.890929][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3155.890929][ T10] ipv6_find_idev+0x102/0x170 [ 3155.890929][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3155.890929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3155.890929][ T10] netlink_rcv_skb+0x130/0x360 [ 3155.890929][ T10] netlink_unicast+0x449/0x710 [ 3155.890929][ T10] netlink_sendmsg+0x723/0xbe0 [ 3155.890929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3155.890929][ T10] ___sys_sendmsg+0xee/0x170 [ 3155.890929][ T10] __sys_sendmsg+0xcd/0x170 [ 3155.890929][ T10] do_syscall_64+0xc6/0x1e0 [ 3155.890929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3155.890929][ T10] [ 3155.892627][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3155.892875][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3155.892875][ T10] netdev_get_by_index+0x5e/0x80 [ 3155.892875][ T10] fib6_nh_init+0x3d8/0x1580 [ 3155.892875][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3155.892875][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3155.892875][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3155.892875][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3155.892875][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3155.892875][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3155.892875][ T10] addrconf_dad_begin+0x310/0x670 [ 3155.892875][ T10] addrconf_dad_work+0x10b/0xab0 [ 3155.892875][ T10] process_one_work+0x84d/0x18a0 [ 3155.892875][ T10] worker_thread+0x587/0xd30 [ 3155.892875][ T10] kthread+0x28a/0x350 [ 3155.892875][ T10] ret_from_fork+0x31/0x70 [ 3155.892875][ T10] ret_from_fork_asm+0x1a/0x30 [ 3155.892875][ T10] [ 3155.894770][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3155.894770][ T10] netdev_get_by_index+0x5e/0x80 [ 3155.894770][ T10] fib6_nh_init+0x3d8/0x1580 [ 3155.894770][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3155.894770][ T10] ip6_route_add+0x1c/0x140 [ 3155.894770][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3155.894770][ T10] inet6_addr_add+0x4f8/0xa40 [ 3155.894770][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3155.894770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3155.894770][ T10] netlink_rcv_skb+0x130/0x360 [ 3155.894770][ T10] netlink_unicast+0x449/0x710 [ 3155.894770][ T10] netlink_sendmsg+0x723/0xbe0 [ 3155.894770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3155.894770][ T10] ___sys_sendmsg+0xee/0x170 [ 3155.894770][ T10] __sys_sendmsg+0xcd/0x170 [ 3155.894770][ T10] do_syscall_64+0xc6/0x1e0 [ 3155.894770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3155.894770][ T10] [ 3155.896749][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3155.896749][ T10] netdev_get_by_index+0x5e/0x80 [ 3155.896749][ T10] fib6_nh_init+0x3d8/0x1580 [ 3155.896749][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3155.896749][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3155.896749][ T10] ipv6_add_addr+0x411/0x2000 [ 3155.896749][ T10] inet6_addr_add+0x30e/0xa40 [ 3155.896749][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3155.896749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3155.896749][ T10] netlink_rcv_skb+0x130/0x360 [ 3155.896749][ T10] netlink_unicast+0x449/0x710 [ 3155.896749][ T10] netlink_sendmsg+0x723/0xbe0 [ 3155.896749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3155.896749][ T10] ___sys_sendmsg+0xee/0x170 [ 3155.896749][ T10] __sys_sendmsg+0xcd/0x170 [ 3155.896749][ T10] do_syscall_64+0xc6/0x1e0 [ 3155.896749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3155.896749][ T10] [ 3155.898724][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3155.898724][ T10] netdev_get_by_index+0x5e/0x80 [ 3155.898724][ T10] fib6_nh_init+0x3d8/0x1580 [ 3155.898724][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3155.898724][ T10] ip6_route_add+0x1c/0x140 [ 3155.898724][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3155.898724][ T10] addrconf_add_dev+0xe2/0x170 [ 3155.898724][ T10] inet6_addr_add+0x12f/0xa40 [ 3155.898724][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3155.898724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3155.898724][ T10] netlink_rcv_skb+0x130/0x360 [ 3155.898724][ T10] netlink_unicast+0x449/0x710 [ 3155.898724][ T10] netlink_sendmsg+0x723/0xbe0 [ 3155.898724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3155.898724][ T10] ___sys_sendmsg+0xee/0x170 [ 3155.898724][ T10] __sys_sendmsg+0xcd/0x170 [ 3155.898724][ T10] do_syscall_64+0xc6/0x1e0 [ 3155.898724][ T10] [ 3155.900723][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3155.900723][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3155.900723][ T10] ipv6_find_idev+0x102/0x170 [ 3155.900723][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3155.900723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3155.900723][ T10] netlink_rcv_skb+0x130/0x360 [ 3155.900723][ T10] netlink_unicast+0x449/0x710 [ 3155.900723][ T10] netlink_sendmsg+0x723/0xbe0 [ 3155.900723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3155.900723][ T10] ___sys_sendmsg+0xee/0x170 [ 3155.900723][ T10] __sys_sendmsg+0xcd/0x170 [ 3155.900723][ T10] do_syscall_64+0xc6/0x1e0 [ 3155.900723][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3155.900723][ T10] [ 3155.902252][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3155.902252][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3155.902252][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3155.902252][ T10] ipv6_find_idev+0x102/0x170 [ 3155.902252][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3155.902252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3155.902252][ T10] netlink_rcv_skb+0x130/0x360 [ 3155.902252][ T10] netlink_unicast+0x449/0x710 [ 3155.902252][ T10] netlink_sendmsg+0x723/0xbe0 [ 3155.902252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3155.902252][ T10] ___sys_sendmsg+0xee/0x170 [ 3155.902252][ T10] __sys_sendmsg+0xcd/0x170 [ 3155.902252][ T10] do_syscall_64+0xc6/0x1e0 [ 3155.902252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3155.902252][ T10] [ 3155.903927][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3155.904184][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3155.904184][ T10] netdev_get_by_index+0x5e/0x80 [ 3155.904184][ T10] fib6_nh_init+0x3d8/0x1580 [ 3155.904184][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3155.904184][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3155.904184][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3155.904184][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3155.904184][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3155.904184][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3155.904184][ T10] addrconf_dad_begin+0x310/0x670 [ 3155.904184][ T10] addrconf_dad_work+0x10b/0xab0 [ 3155.904184][ T10] process_one_work+0x84d/0x18a0 [ 3155.904184][ T10] worker_thread+0x587/0xd30 [ 3155.904184][ T10] kthread+0x28a/0x350 [ 3155.904184][ T10] ret_from_fork+0x31/0x70 [ 3155.904184][ T10] ret_from_fork_asm+0x1a/0x30 [ 3155.904184][ T10] [ 3155.906090][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3155.906090][ T10] netdev_get_by_index+0x5e/0x80 [ 3155.906090][ T10] fib6_nh_init+0x3d8/0x1580 [ 3155.906090][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3155.906090][ T10] ip6_route_add+0x1c/0x140 [ 3155.906090][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3155.906090][ T10] inet6_addr_add+0x4f8/0xa40 [ 3155.906090][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3155.906090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3155.906090][ T10] netlink_rcv_skb+0x130/0x360 [ 3155.906090][ T10] netlink_unicast+0x449/0x710 [ 3155.906090][ T10] netlink_sendmsg+0x723/0xbe0 [ 3155.906090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3155.906090][ T10] ___sys_sendmsg+0xee/0x170 [ 3155.906090][ T10] __sys_sendmsg+0xcd/0x170 [ 3155.906090][ T10] do_syscall_64+0xc6/0x1e0 [ 3155.906090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3155.906090][ T10] [ 3155.908259][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3155.908259][ T10] netdev_get_by_index+0x5e/0x80 [ 3155.908259][ T10] fib6_nh_init+0x3d8/0x1580 [ 3155.908259][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3155.908259][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3155.908259][ T10] ipv6_add_addr+0x411/0x2000 [ 3155.908259][ T10] inet6_addr_add+0x30e/0xa40 [ 3155.908259][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3155.908259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3155.908259][ T10] netlink_rcv_skb+0x130/0x360 [ 3155.908259][ T10] netlink_unicast+0x449/0x710 [ 3155.908259][ T10] netlink_sendmsg+0x723/0xbe0 [ 3155.908259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3155.908259][ T10] ___sys_sendmsg+0xee/0x170 [ 3155.908259][ T10] __sys_sendmsg+0xcd/0x170 [ 3155.908259][ T10] do_syscall_64+0xc6/0x1e0 [ 3155.908259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3155.908259][ T10] [ 3155.910543][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3155.910543][ T10] netdev_get_by_index+0x5e/0x80 [ 3155.910543][ T10] fib6_nh_init+0x3d8/0x1580 [ 3155.910543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3155.910543][ T10] ip6_route_add+0x1c/0x140 [ 3155.910543][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3155.910543][ T10] addrconf_add_dev+0xe2/0x170 [ 3155.910543][ T10] inet6_addr_add+0x12f/0xa40 [ 3155.910543][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3155.910543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3155.910543][ T10] netlink_rcv_skb+0x130/0x360 [ 3155.910543][ T10] netlink_unicast+0x449/0x710 [ 3155.910543][ T10] netlink_sendmsg+0x723/0xbe0 [ 3155.910543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3155.910543][ T10] ___sys_sendmsg+0xee/0x170 [ 3155.910543][ T10] __sys_sendmsg+0xcd/0x170 [ 3155.910543][ T10] do_syscall_64+0xc6/0x1e0 [ 3155.910543][ T10] [ 3155.912672][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3155.912672][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3155.912672][ T10] ipv6_find_idev+0x102/0x170 [ 3155.912672][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3155.912672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3155.912672][ T10] netlink_rcv_skb+0x130/0x360 [ 3155.912672][ T10] netlink_unicast+0x449/0x710 [ 3155.912672][ T10] netlink_sendmsg+0x723/0xbe0 [ 3155.912672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3155.912672][ T10] ___sys_sendmsg+0xee/0x170 [ 3155.912672][ T10] __sys_sendmsg+0xcd/0x170 [ 3155.912672][ T10] do_syscall_64+0xc6/0x1e0 [ 3155.912672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3155.912672][ T10] [ 3155.914388][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3155.914388][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3155.914388][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3155.914388][ T10] ipv6_find_idev+0x102/0x170 [ 3155.914388][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3155.914388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3155.914388][ T10] netlink_rcv_skb+0x130/0x360 [ 3155.914388][ T10] netlink_unicast+0x449/0x710 [ 3155.914388][ T10] netlink_sendmsg+0x723/0xbe0 [ 3155.914388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3155.914388][ T10] ___sys_sendmsg+0xee/0x170 [ 3155.914388][ T10] __sys_sendmsg+0xcd/0x170 [ 3155.914388][ T10] do_syscall_64+0xc6/0x1e0 [ 3155.914388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3155.914388][ T10] [ 3155.916245][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3155.916480][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3155.916480][ T10] netdev_get_by_index+0x5e/0x80 [ 3155.916480][ T10] fib6_nh_init+0x3d8/0x1580 [ 3155.916480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3155.916480][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3155.916480][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3155.916480][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3155.916480][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3155.916480][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3155.916480][ T10] addrconf_dad_begin+0x310/0x670 [ 3155.916480][ T10] addrconf_dad_work+0x10b/0xab0 [ 3155.916480][ T10] process_one_work+0x84d/0x18a0 [ 3155.916480][ T10] worker_thread+0x587/0xd30 [ 3155.916480][ T10] kthread+0x28a/0x350 [ 3155.916480][ T10] ret_from_fork+0x31/0x70 [ 3155.916480][ T10] ret_from_fork_asm+0x1a/0x30 [ 3155.916480][ T10] [ 3155.918685][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3155.918685][ T10] netdev_get_by_index+0x5e/0x80 [ 3155.918685][ T10] fib6_nh_init+0x3d8/0x1580 [ 3155.918685][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3155.918685][ T10] ip6_route_add+0x1c/0x140 [ 3155.918685][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3155.918685][ T10] inet6_addr_add+0x4f8/0xa40 [ 3155.918685][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3155.918685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3155.918685][ T10] netlink_rcv_skb+0x130/0x360 [ 3155.918685][ T10] netlink_unicast+0x449/0x710 [ 3155.918685][ T10] netlink_sendmsg+0x723/0xbe0 [ 3155.918685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3155.918685][ T10] ___sys_sendmsg+0xee/0x170 [ 3155.918685][ T10] __sys_sendmsg+0xcd/0x170 [ 3155.918685][ T10] do_syscall_64+0xc6/0x1e0 [ 3155.918685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3155.918685][ T10] [ 3155.920842][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3155.920842][ T10] netdev_get_by_index+0x5e/0x80 [ 3155.920842][ T10] fib6_nh_init+0x3d8/0x1580 [ 3155.920842][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3155.920842][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3155.920842][ T10] ipv6_add_addr+0x411/0x2000 [ 3155.920842][ T10] inet6_addr_add+0x30e/0xa40 [ 3155.920842][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3155.920842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3155.920842][ T10] netlink_rcv_skb+0x130/0x360 [ 3155.920842][ T10] netlink_unicast+0x449/0x710 [ 3155.920842][ T10] netlink_sendmsg+0x723/0xbe0 [ 3155.920842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3155.920842][ T10] ___sys_sendmsg+0xee/0x170 [ 3155.920842][ T10] __sys_sendmsg+0xcd/0x170 [ 3155.920842][ T10] do_syscall_64+0xc6/0x1e0 [ 3155.920842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3155.920842][ T10] [ 3155.923597][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3155.923597][ T10] netdev_get_by_index+0x5e/0x80 [ 3155.923597][ T10] fib6_nh_init+0x3d8/0x1580 [ 3155.923597][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3155.923597][ T10] ip6_route_add+0x1c/0x140 [ 3155.923597][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3155.923597][ T10] addrconf_add_dev+0xe2/0x170 [ 3155.923597][ T10] inet6_addr_add+0x12f/0xa40 [ 3155.923597][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3155.923597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3155.923597][ T10] netlink_rcv_skb+0x130/0x360 [ 3155.923597][ T10] netlink_unicast+0x449/0x710 [ 3155.923597][ T10] netlink_sendmsg+0x723/0xbe0 [ 3155.923597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3155.923597][ T10] ___sys_sendmsg+0xee/0x170 [ 3155.923597][ T10] __sys_sendmsg+0xcd/0x170 [ 3155.923597][ T10] do_syscall_64+0xc6/0x1e0 [ 3155.923597][ T10] [ 3155.925781][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3155.925781][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3155.925781][ T10] ipv6_find_idev+0x102/0x170 [ 3155.925781][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3155.925781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3155.925781][ T10] netlink_rcv_skb+0x130/0x360 [ 3155.925781][ T10] netlink_unicast+0x449/0x710 [ 3155.925781][ T10] netlink_sendmsg+0x723/0xbe0 [ 3155.925781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3155.925781][ T10] ___sys_sendmsg+0xee/0x170 [ 3155.925781][ T10] __sys_sendmsg+0xcd/0x170 [ 3155.925781][ T10] do_syscall_64+0xc6/0x1e0 [ 3155.925781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3155.925781][ T10] [ 3155.927497][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3155.927497][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3155.927497][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3155.927497][ T10] ipv6_find_idev+0x102/0x170 [ 3155.927497][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3155.927497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3155.927497][ T10] netlink_rcv_skb+0x130/0x360 [ 3155.927497][ T10] netlink_unicast+0x449/0x710 [ 3155.927497][ T10] netlink_sendmsg+0x723/0xbe0 [ 3155.927497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3155.927497][ T10] ___sys_sendmsg+0xee/0x170 [ 3155.927497][ T10] __sys_sendmsg+0xcd/0x170 [ 3155.927497][ T10] do_syscall_64+0xc6/0x1e0 [ 3155.927497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3155.927497][ T10] [ 3157.537135][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3157.537635][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3157.537635][ T1167] dst_init+0x84/0x4a0 [ 3157.537635][ T1167] dst_alloc+0x97/0x150 [ 3157.537635][ T1167] ip6_dst_alloc+0x23/0x90 [ 3157.537635][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3157.537635][ T1167] ip6_pol_route+0x56f/0x840 [ 3157.537635][ T1167] fib6_rule_lookup+0x334/0x630 [ 3157.537635][ T1167] ip6_route_output_flags+0x259/0x480 [ 3157.537635][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3157.537635][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3157.537635][ T1167] netlink_rcv_skb+0x130/0x360 [ 3157.537635][ T1167] netlink_unicast+0x449/0x710 [ 3157.537635][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3157.537635][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3157.537635][ T1167] ___sys_sendmsg+0xee/0x170 [ 3157.537635][ T1167] __sys_sendmsg+0xcd/0x170 [ 3157.537635][ T1167] do_syscall_64+0xc6/0x1e0 [ 3157.537635][ T1167] [ 3157.539849][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3157.539849][ T1167] netdev_get_by_index+0x5e/0x80 [ 3157.539849][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3157.539849][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3157.539849][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3157.539849][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3157.539849][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3157.539849][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3157.539849][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3157.539849][ T1167] addrconf_dad_begin+0x310/0x670 [ 3157.539849][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3157.539849][ T1167] process_one_work+0x84d/0x18a0 [ 3157.539849][ T1167] worker_thread+0x587/0xd30 [ 3157.539849][ T1167] kthread+0x28a/0x350 [ 3157.539849][ T1167] ret_from_fork+0x31/0x70 [ 3157.539849][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3157.539849][ T1167] [ 3157.542020][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3157.542020][ T1167] netdev_get_by_index+0x5e/0x80 [ 3157.542020][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3157.542020][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3157.542020][ T1167] ip6_route_add+0x1c/0x140 [ 3157.542020][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3157.542020][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3157.542020][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3157.542020][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3157.542020][ T1167] netlink_rcv_skb+0x130/0x360 [ 3157.542020][ T1167] netlink_unicast+0x449/0x710 [ 3157.542020][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3157.542020][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3157.542020][ T1167] ___sys_sendmsg+0xee/0x170 [ 3157.542020][ T1167] __sys_sendmsg+0xcd/0x170 [ 3157.542020][ T1167] do_syscall_64+0xc6/0x1e0 [ 3157.542020][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3157.542020][ T1167] [ 3157.544288][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3157.544288][ T1167] netdev_get_by_index+0x5e/0x80 [ 3157.544288][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3157.544288][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3157.544288][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3157.544288][ T1167] ipv6_add_addr+0x411/0x2000 [ 3157.544288][ T1167] inet6_addr_add+0x30e/0xa40 [ 3157.544288][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3157.544288][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3157.544288][ T1167] netlink_rcv_skb+0x130/0x360 [ 3157.544288][ T1167] netlink_unicast+0x449/0x710 [ 3157.544288][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3157.544288][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3157.544288][ T1167] ___sys_sendmsg+0xee/0x170 [ 3157.544288][ T1167] __sys_sendmsg+0xcd/0x170 [ 3157.544288][ T1167] do_syscall_64+0xc6/0x1e0 [ 3157.544288][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3157.544288][ T1167] [ 3157.546568][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3157.546568][ T1167] netdev_get_by_index+0x5e/0x80 [ 3157.546568][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3157.546568][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3157.546568][ T1167] ip6_route_add+0x1c/0x140 [ 3157.546568][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3157.546568][ T1167] addrconf_add_dev+0xe2/0x170 [ 3157.546568][ T1167] inet6_addr_add+0x12f/0xa40 [ 3157.546568][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3157.546568][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3157.546568][ T1167] netlink_rcv_skb+0x130/0x360 [ 3157.546568][ T1167] netlink_unicast+0x449/0x710 [ 3157.546568][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3157.546568][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3157.546568][ T1167] ___sys_sendmsg+0xee/0x170 [ 3157.546568][ T1167] __sys_sendmsg+0xcd/0x170 [ 3157.546568][ T1167] do_syscall_64+0xc6/0x1e0 [ 3157.546568][ T1167] [ 3157.549185][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3157.549185][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3157.549185][ T1167] ipv6_find_idev+0x102/0x170 [ 3157.549185][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3157.549185][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3157.549185][ T1167] netlink_rcv_skb+0x130/0x360 [ 3157.549185][ T1167] netlink_unicast+0x449/0x710 [ 3157.549185][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3157.549185][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3157.549185][ T1167] ___sys_sendmsg+0xee/0x170 [ 3157.549185][ T1167] __sys_sendmsg+0xcd/0x170 [ 3157.549185][ T1167] do_syscall_64+0xc6/0x1e0 [ 3157.549185][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3157.549185][ T1167] [ 3157.550934][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3157.550934][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3157.550934][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3157.550934][ T1167] ipv6_find_idev+0x102/0x170 [ 3157.550934][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3157.550934][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3157.550934][ T1167] netlink_rcv_skb+0x130/0x360 [ 3157.550934][ T1167] netlink_unicast+0x449/0x710 [ 3157.550934][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3157.550934][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3157.550934][ T1167] ___sys_sendmsg+0xee/0x170 [ 3157.550934][ T1167] __sys_sendmsg+0xcd/0x170 [ 3157.550934][ T1167] do_syscall_64+0xc6/0x1e0 [ 3157.550934][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3157.550934][ T1167] [ 3166.169073][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3166.169443][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3166.169443][ T10] netdev_get_by_index+0x5e/0x80 [ 3166.169443][ T10] fib6_nh_init+0x3d8/0x1580 [ 3166.169443][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3166.169443][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3166.169443][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3166.169443][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3166.169443][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3166.169443][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3166.169443][ T10] addrconf_dad_begin+0x310/0x670 [ 3166.169443][ T10] addrconf_dad_work+0x10b/0xab0 [ 3166.169443][ T10] process_one_work+0x84d/0x18a0 [ 3166.169443][ T10] worker_thread+0x587/0xd30 [ 3166.169443][ T10] kthread+0x28a/0x350 [ 3166.169443][ T10] ret_from_fork+0x31/0x70 [ 3166.169443][ T10] ret_from_fork_asm+0x1a/0x30 [ 3166.169443][ T10] [ 3166.171379][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3166.171379][ T10] netdev_get_by_index+0x5e/0x80 [ 3166.171379][ T10] fib6_nh_init+0x3d8/0x1580 [ 3166.171379][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3166.171379][ T10] ip6_route_add+0x1c/0x140 [ 3166.171379][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3166.171379][ T10] inet6_addr_add+0x4f8/0xa40 [ 3166.171379][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3166.171379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3166.171379][ T10] netlink_rcv_skb+0x130/0x360 [ 3166.171379][ T10] netlink_unicast+0x449/0x710 [ 3166.171379][ T10] netlink_sendmsg+0x723/0xbe0 [ 3166.171379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3166.171379][ T10] ___sys_sendmsg+0xee/0x170 [ 3166.171379][ T10] __sys_sendmsg+0xcd/0x170 [ 3166.171379][ T10] do_syscall_64+0xc6/0x1e0 [ 3166.171379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3166.171379][ T10] [ 3166.173395][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3166.173395][ T10] netdev_get_by_index+0x5e/0x80 [ 3166.173395][ T10] fib6_nh_init+0x3d8/0x1580 [ 3166.173395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3166.173395][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3166.173395][ T10] ipv6_add_addr+0x411/0x2000 [ 3166.173395][ T10] inet6_addr_add+0x30e/0xa40 [ 3166.173395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3166.173395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3166.173395][ T10] netlink_rcv_skb+0x130/0x360 [ 3166.173395][ T10] netlink_unicast+0x449/0x710 [ 3166.173395][ T10] netlink_sendmsg+0x723/0xbe0 [ 3166.173395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3166.173395][ T10] ___sys_sendmsg+0xee/0x170 [ 3166.173395][ T10] __sys_sendmsg+0xcd/0x170 [ 3166.173395][ T10] do_syscall_64+0xc6/0x1e0 [ 3166.173395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3166.173395][ T10] [ 3166.175399][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3166.175399][ T10] netdev_get_by_index+0x5e/0x80 [ 3166.175399][ T10] fib6_nh_init+0x3d8/0x1580 [ 3166.175399][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3166.175399][ T10] ip6_route_add+0x1c/0x140 [ 3166.175399][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3166.175399][ T10] addrconf_add_dev+0xe2/0x170 [ 3166.175399][ T10] inet6_addr_add+0x12f/0xa40 [ 3166.175399][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3166.175399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3166.175399][ T10] netlink_rcv_skb+0x130/0x360 [ 3166.175399][ T10] netlink_unicast+0x449/0x710 [ 3166.175399][ T10] netlink_sendmsg+0x723/0xbe0 [ 3166.175399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3166.175399][ T10] ___sys_sendmsg+0xee/0x170 [ 3166.175399][ T10] __sys_sendmsg+0xcd/0x170 [ 3166.175399][ T10] do_syscall_64+0xc6/0x1e0 [ 3166.175399][ T10] [ 3166.177371][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3166.177371][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3166.177371][ T10] ipv6_find_idev+0x102/0x170 [ 3166.177371][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3166.177371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3166.177371][ T10] netlink_rcv_skb+0x130/0x360 [ 3166.177371][ T10] netlink_unicast+0x449/0x710 [ 3166.177371][ T10] netlink_sendmsg+0x723/0xbe0 [ 3166.177371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3166.177371][ T10] ___sys_sendmsg+0xee/0x170 [ 3166.177371][ T10] __sys_sendmsg+0xcd/0x170 [ 3166.177371][ T10] do_syscall_64+0xc6/0x1e0 [ 3166.177371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3166.177371][ T10] [ 3166.178916][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3166.178916][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3166.178916][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3166.178916][ T10] ipv6_find_idev+0x102/0x170 [ 3166.178916][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3166.178916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3166.178916][ T10] netlink_rcv_skb+0x130/0x360 [ 3166.178916][ T10] netlink_unicast+0x449/0x710 [ 3166.178916][ T10] netlink_sendmsg+0x723/0xbe0 [ 3166.178916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3166.178916][ T10] ___sys_sendmsg+0xee/0x170 [ 3166.178916][ T10] __sys_sendmsg+0xcd/0x170 [ 3166.178916][ T10] do_syscall_64+0xc6/0x1e0 [ 3166.178916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3166.178916][ T10] [ 3166.180626][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3166.180872][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3166.180872][ T10] netdev_get_by_index+0x5e/0x80 [ 3166.180872][ T10] fib6_nh_init+0x3d8/0x1580 [ 3166.180872][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3166.180872][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3166.180872][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3166.180872][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3166.180872][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3166.180872][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3166.180872][ T10] addrconf_dad_begin+0x310/0x670 [ 3166.180872][ T10] addrconf_dad_work+0x10b/0xab0 [ 3166.180872][ T10] process_one_work+0x84d/0x18a0 [ 3166.180872][ T10] worker_thread+0x587/0xd30 [ 3166.180872][ T10] kthread+0x28a/0x350 [ 3166.180872][ T10] ret_from_fork+0x31/0x70 [ 3166.180872][ T10] ret_from_fork_asm+0x1a/0x30 [ 3166.180872][ T10] [ 3166.182790][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3166.182790][ T10] netdev_get_by_index+0x5e/0x80 [ 3166.182790][ T10] fib6_nh_init+0x3d8/0x1580 [ 3166.182790][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3166.182790][ T10] ip6_route_add+0x1c/0x140 [ 3166.182790][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3166.182790][ T10] inet6_addr_add+0x4f8/0xa40 [ 3166.182790][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3166.182790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3166.182790][ T10] netlink_rcv_skb+0x130/0x360 [ 3166.182790][ T10] netlink_unicast+0x449/0x710 [ 3166.182790][ T10] netlink_sendmsg+0x723/0xbe0 [ 3166.182790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3166.182790][ T10] ___sys_sendmsg+0xee/0x170 [ 3166.182790][ T10] __sys_sendmsg+0xcd/0x170 [ 3166.182790][ T10] do_syscall_64+0xc6/0x1e0 [ 3166.182790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3166.182790][ T10] [ 3166.184795][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3166.184795][ T10] netdev_get_by_index+0x5e/0x80 [ 3166.184795][ T10] fib6_nh_init+0x3d8/0x1580 [ 3166.184795][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3166.184795][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3166.184795][ T10] ipv6_add_addr+0x411/0x2000 [ 3166.184795][ T10] inet6_addr_add+0x30e/0xa40 [ 3166.184795][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3166.184795][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3166.184795][ T10] netlink_rcv_skb+0x130/0x360 [ 3166.184795][ T10] netlink_unicast+0x449/0x710 [ 3166.184795][ T10] netlink_sendmsg+0x723/0xbe0 [ 3166.184795][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3166.184795][ T10] ___sys_sendmsg+0xee/0x170 [ 3166.184795][ T10] __sys_sendmsg+0xcd/0x170 [ 3166.184795][ T10] do_syscall_64+0xc6/0x1e0 [ 3166.184795][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3166.184795][ T10] [ 3166.186811][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3166.186811][ T10] netdev_get_by_index+0x5e/0x80 [ 3166.186811][ T10] fib6_nh_init+0x3d8/0x1580 [ 3166.186811][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3166.186811][ T10] ip6_route_add+0x1c/0x140 [ 3166.186811][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3166.186811][ T10] addrconf_add_dev+0xe2/0x170 [ 3166.186811][ T10] inet6_addr_add+0x12f/0xa40 [ 3166.186811][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3166.186811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3166.186811][ T10] netlink_rcv_skb+0x130/0x360 [ 3166.186811][ T10] netlink_unicast+0x449/0x710 [ 3166.186811][ T10] netlink_sendmsg+0x723/0xbe0 [ 3166.186811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3166.186811][ T10] ___sys_sendmsg+0xee/0x170 [ 3166.186811][ T10] __sys_sendmsg+0xcd/0x170 [ 3166.186811][ T10] do_syscall_64+0xc6/0x1e0 [ 3166.186811][ T10] [ 3166.188779][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3166.188779][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3166.188779][ T10] ipv6_find_idev+0x102/0x170 [ 3166.188779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3166.188779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3166.188779][ T10] netlink_rcv_skb+0x130/0x360 [ 3166.188779][ T10] netlink_unicast+0x449/0x710 [ 3166.188779][ T10] netlink_sendmsg+0x723/0xbe0 [ 3166.188779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3166.188779][ T10] ___sys_sendmsg+0xee/0x170 [ 3166.188779][ T10] __sys_sendmsg+0xcd/0x170 [ 3166.188779][ T10] do_syscall_64+0xc6/0x1e0 [ 3166.188779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3166.188779][ T10] [ 3166.190331][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3166.190331][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3166.190331][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3166.190331][ T10] ipv6_find_idev+0x102/0x170 [ 3166.190331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3166.190331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3166.190331][ T10] netlink_rcv_skb+0x130/0x360 [ 3166.190331][ T10] netlink_unicast+0x449/0x710 [ 3166.190331][ T10] netlink_sendmsg+0x723/0xbe0 [ 3166.190331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3166.190331][ T10] ___sys_sendmsg+0xee/0x170 [ 3166.190331][ T10] __sys_sendmsg+0xcd/0x170 [ 3166.190331][ T10] do_syscall_64+0xc6/0x1e0 [ 3166.190331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3166.190331][ T10] [ 3166.192153][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3166.192394][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3166.192394][ T10] netdev_get_by_index+0x5e/0x80 [ 3166.192394][ T10] fib6_nh_init+0x3d8/0x1580 [ 3166.192394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3166.192394][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3166.192394][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3166.192394][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3166.192394][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3166.192394][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3166.192394][ T10] addrconf_dad_begin+0x310/0x670 [ 3166.192394][ T10] addrconf_dad_work+0x10b/0xab0 [ 3166.192394][ T10] process_one_work+0x84d/0x18a0 [ 3166.192394][ T10] worker_thread+0x587/0xd30 [ 3166.192394][ T10] kthread+0x28a/0x350 [ 3166.192394][ T10] ret_from_fork+0x31/0x70 [ 3166.192394][ T10] ret_from_fork_asm+0x1a/0x30 [ 3166.192394][ T10] [ 3166.194331][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3166.194331][ T10] netdev_get_by_index+0x5e/0x80 [ 3166.194331][ T10] fib6_nh_init+0x3d8/0x1580 [ 3166.194331][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3166.194331][ T10] ip6_route_add+0x1c/0x140 [ 3166.194331][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3166.194331][ T10] inet6_addr_add+0x4f8/0xa40 [ 3166.194331][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3166.194331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3166.194331][ T10] netlink_rcv_skb+0x130/0x360 [ 3166.194331][ T10] netlink_unicast+0x449/0x710 [ 3166.194331][ T10] netlink_sendmsg+0x723/0xbe0 [ 3166.194331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3166.194331][ T10] ___sys_sendmsg+0xee/0x170 [ 3166.194331][ T10] __sys_sendmsg+0xcd/0x170 [ 3166.194331][ T10] do_syscall_64+0xc6/0x1e0 [ 3166.194331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3166.194331][ T10] [ 3166.196499][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3166.196499][ T10] netdev_get_by_index+0x5e/0x80 [ 3166.196499][ T10] fib6_nh_init+0x3d8/0x1580 [ 3166.196499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3166.196499][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3166.196499][ T10] ipv6_add_addr+0x411/0x2000 [ 3166.196499][ T10] inet6_addr_add+0x30e/0xa40 [ 3166.196499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3166.196499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3166.196499][ T10] netlink_rcv_skb+0x130/0x360 [ 3166.196499][ T10] netlink_unicast+0x449/0x710 [ 3166.196499][ T10] netlink_sendmsg+0x723/0xbe0 [ 3166.196499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3166.196499][ T10] ___sys_sendmsg+0xee/0x170 [ 3166.196499][ T10] __sys_sendmsg+0xcd/0x170 [ 3166.196499][ T10] do_syscall_64+0xc6/0x1e0 [ 3166.196499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3166.196499][ T10] [ 3166.198644][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3166.198644][ T10] netdev_get_by_index+0x5e/0x80 [ 3166.198644][ T10] fib6_nh_init+0x3d8/0x1580 [ 3166.198644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3166.198644][ T10] ip6_route_add+0x1c/0x140 [ 3166.198644][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3166.198644][ T10] addrconf_add_dev+0xe2/0x170 [ 3166.198644][ T10] inet6_addr_add+0x12f/0xa40 [ 3166.198644][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3166.198644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3166.198644][ T10] netlink_rcv_skb+0x130/0x360 [ 3166.198644][ T10] netlink_unicast+0x449/0x710 [ 3166.198644][ T10] netlink_sendmsg+0x723/0xbe0 [ 3166.198644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3166.198644][ T10] ___sys_sendmsg+0xee/0x170 [ 3166.198644][ T10] __sys_sendmsg+0xcd/0x170 [ 3166.198644][ T10] do_syscall_64+0xc6/0x1e0 [ 3166.198644][ T10] [ 3166.200769][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3166.200769][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3166.200769][ T10] ipv6_find_idev+0x102/0x170 [ 3166.200769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3166.200769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3166.200769][ T10] netlink_rcv_skb+0x130/0x360 [ 3166.200769][ T10] netlink_unicast+0x449/0x710 [ 3166.200769][ T10] netlink_sendmsg+0x723/0xbe0 [ 3166.200769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3166.200769][ T10] ___sys_sendmsg+0xee/0x170 [ 3166.200769][ T10] __sys_sendmsg+0xcd/0x170 [ 3166.200769][ T10] do_syscall_64+0xc6/0x1e0 [ 3166.200769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3166.200769][ T10] [ 3166.202447][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3166.202447][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3166.202447][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3166.202447][ T10] ipv6_find_idev+0x102/0x170 [ 3166.202447][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3166.202447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3166.202447][ T10] netlink_rcv_skb+0x130/0x360 [ 3166.202447][ T10] netlink_unicast+0x449/0x710 [ 3166.202447][ T10] netlink_sendmsg+0x723/0xbe0 [ 3166.202447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3166.202447][ T10] ___sys_sendmsg+0xee/0x170 [ 3166.202447][ T10] __sys_sendmsg+0xcd/0x170 [ 3166.202447][ T10] do_syscall_64+0xc6/0x1e0 [ 3166.202447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3166.202447][ T10] [ 3166.204228][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3166.204468][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3166.204468][ T10] netdev_get_by_index+0x5e/0x80 [ 3166.204468][ T10] fib6_nh_init+0x3d8/0x1580 [ 3166.204468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3166.204468][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3166.204468][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3166.204468][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3166.204468][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3166.204468][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3166.204468][ T10] addrconf_dad_begin+0x310/0x670 [ 3166.204468][ T10] addrconf_dad_work+0x10b/0xab0 [ 3166.204468][ T10] process_one_work+0x84d/0x18a0 [ 3166.204468][ T10] worker_thread+0x587/0xd30 [ 3166.204468][ T10] kthread+0x28a/0x350 [ 3166.204468][ T10] ret_from_fork+0x31/0x70 [ 3166.204468][ T10] ret_from_fork_asm+0x1a/0x30 [ 3166.204468][ T10] [ 3166.206519][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3166.206519][ T10] netdev_get_by_index+0x5e/0x80 [ 3166.206519][ T10] fib6_nh_init+0x3d8/0x1580 [ 3166.206519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3166.206519][ T10] ip6_route_add+0x1c/0x140 [ 3166.206519][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3166.206519][ T10] inet6_addr_add+0x4f8/0xa40 [ 3166.206519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3166.206519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3166.206519][ T10] netlink_rcv_skb+0x130/0x360 [ 3166.206519][ T10] netlink_unicast+0x449/0x710 [ 3166.206519][ T10] netlink_sendmsg+0x723/0xbe0 [ 3166.206519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3166.206519][ T10] ___sys_sendmsg+0xee/0x170 [ 3166.206519][ T10] __sys_sendmsg+0xcd/0x170 [ 3166.206519][ T10] do_syscall_64+0xc6/0x1e0 [ 3166.206519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3166.206519][ T10] [ 3166.208658][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3166.208658][ T10] netdev_get_by_index+0x5e/0x80 [ 3166.208658][ T10] fib6_nh_init+0x3d8/0x1580 [ 3166.208658][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3166.208658][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3166.208658][ T10] ipv6_add_addr+0x411/0x2000 [ 3166.208658][ T10] inet6_addr_add+0x30e/0xa40 [ 3166.208658][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3166.208658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3166.208658][ T10] netlink_rcv_skb+0x130/0x360 [ 3166.208658][ T10] netlink_unicast+0x449/0x710 [ 3166.208658][ T10] netlink_sendmsg+0x723/0xbe0 [ 3166.208658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3166.208658][ T10] ___sys_sendmsg+0xee/0x170 [ 3166.208658][ T10] __sys_sendmsg+0xcd/0x170 [ 3166.208658][ T10] do_syscall_64+0xc6/0x1e0 [ 3166.208658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3166.208658][ T10] [ 3166.210799][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3166.210799][ T10] netdev_get_by_index+0x5e/0x80 [ 3166.210799][ T10] fib6_nh_init+0x3d8/0x1580 [ 3166.210799][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3166.210799][ T10] ip6_route_add+0x1c/0x140 [ 3166.210799][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3166.210799][ T10] addrconf_add_dev+0xe2/0x170 [ 3166.210799][ T10] inet6_addr_add+0x12f/0xa40 [ 3166.210799][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3166.210799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3166.210799][ T10] netlink_rcv_skb+0x130/0x360 [ 3166.210799][ T10] netlink_unicast+0x449/0x710 [ 3166.210799][ T10] netlink_sendmsg+0x723/0xbe0 [ 3166.210799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3166.210799][ T10] ___sys_sendmsg+0xee/0x170 [ 3166.210799][ T10] __sys_sendmsg+0xcd/0x170 [ 3166.210799][ T10] do_syscall_64+0xc6/0x1e0 [ 3166.210799][ T10] [ 3166.212900][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3166.212900][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3166.212900][ T10] ipv6_find_idev+0x102/0x170 [ 3166.212900][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3166.212900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3166.212900][ T10] netlink_rcv_skb+0x130/0x360 [ 3166.212900][ T10] netlink_unicast+0x449/0x710 [ 3166.212900][ T10] netlink_sendmsg+0x723/0xbe0 [ 3166.212900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3166.212900][ T10] ___sys_sendmsg+0xee/0x170 [ 3166.212900][ T10] __sys_sendmsg+0xcd/0x170 [ 3166.212900][ T10] do_syscall_64+0xc6/0x1e0 [ 3166.212900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3166.212900][ T10] [ 3166.214519][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3166.214519][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3166.214519][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3166.214519][ T10] ipv6_find_idev+0x102/0x170 [ 3166.214519][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3166.214519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3166.214519][ T10] netlink_rcv_skb+0x130/0x360 [ 3166.214519][ T10] netlink_unicast+0x449/0x710 [ 3166.214519][ T10] netlink_sendmsg+0x723/0xbe0 [ 3166.214519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3166.214519][ T10] ___sys_sendmsg+0xee/0x170 [ 3166.214519][ T10] __sys_sendmsg+0xcd/0x170 [ 3166.214519][ T10] do_syscall_64+0xc6/0x1e0 [ 3166.214519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3166.214519][ T10] [ 3167.665142][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3167.665642][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3167.665642][ T1167] dst_init+0x84/0x4a0 [ 3167.665642][ T1167] dst_alloc+0x97/0x150 [ 3167.665642][ T1167] ip6_dst_alloc+0x23/0x90 [ 3167.665642][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3167.665642][ T1167] ip6_pol_route+0x56f/0x840 [ 3167.665642][ T1167] fib6_rule_lookup+0x334/0x630 [ 3167.665642][ T1167] ip6_route_output_flags+0x259/0x480 [ 3167.665642][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3167.665642][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3167.665642][ T1167] netlink_rcv_skb+0x130/0x360 [ 3167.665642][ T1167] netlink_unicast+0x449/0x710 [ 3167.665642][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3167.665642][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3167.665642][ T1167] ___sys_sendmsg+0xee/0x170 [ 3167.665642][ T1167] __sys_sendmsg+0xcd/0x170 [ 3167.665642][ T1167] do_syscall_64+0xc6/0x1e0 [ 3167.665642][ T1167] [ 3167.667859][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3167.667859][ T1167] netdev_get_by_index+0x5e/0x80 [ 3167.667859][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3167.667859][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3167.667859][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3167.667859][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3167.667859][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3167.667859][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3167.667859][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3167.667859][ T1167] addrconf_dad_begin+0x310/0x670 [ 3167.667859][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3167.667859][ T1167] process_one_work+0x84d/0x18a0 [ 3167.667859][ T1167] worker_thread+0x587/0xd30 [ 3167.667859][ T1167] kthread+0x28a/0x350 [ 3167.667859][ T1167] ret_from_fork+0x31/0x70 [ 3167.667859][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3167.667859][ T1167] [ 3167.670058][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3167.670058][ T1167] netdev_get_by_index+0x5e/0x80 [ 3167.670058][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3167.670058][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3167.670058][ T1167] ip6_route_add+0x1c/0x140 [ 3167.670058][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3167.670058][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3167.670058][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3167.670058][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3167.670058][ T1167] netlink_rcv_skb+0x130/0x360 [ 3167.670058][ T1167] netlink_unicast+0x449/0x710 [ 3167.670058][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3167.670058][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3167.670058][ T1167] ___sys_sendmsg+0xee/0x170 [ 3167.670058][ T1167] __sys_sendmsg+0xcd/0x170 [ 3167.670058][ T1167] do_syscall_64+0xc6/0x1e0 [ 3167.670058][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3167.670058][ T1167] [ 3167.672324][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3167.672324][ T1167] netdev_get_by_index+0x5e/0x80 [ 3167.672324][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3167.672324][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3167.672324][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3167.672324][ T1167] ipv6_add_addr+0x411/0x2000 [ 3167.672324][ T1167] inet6_addr_add+0x30e/0xa40 [ 3167.672324][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3167.672324][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3167.672324][ T1167] netlink_rcv_skb+0x130/0x360 [ 3167.672324][ T1167] netlink_unicast+0x449/0x710 [ 3167.672324][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3167.672324][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3167.672324][ T1167] ___sys_sendmsg+0xee/0x170 [ 3167.672324][ T1167] __sys_sendmsg+0xcd/0x170 [ 3167.672324][ T1167] do_syscall_64+0xc6/0x1e0 [ 3167.672324][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3167.672324][ T1167] [ 3167.674600][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3167.674600][ T1167] netdev_get_by_index+0x5e/0x80 [ 3167.674600][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3167.674600][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3167.674600][ T1167] ip6_route_add+0x1c/0x140 [ 3167.674600][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3167.674600][ T1167] addrconf_add_dev+0xe2/0x170 [ 3167.674600][ T1167] inet6_addr_add+0x12f/0xa40 [ 3167.674600][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3167.674600][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3167.674600][ T1167] netlink_rcv_skb+0x130/0x360 [ 3167.674600][ T1167] netlink_unicast+0x449/0x710 [ 3167.674600][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3167.674600][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3167.674600][ T1167] ___sys_sendmsg+0xee/0x170 [ 3167.674600][ T1167] __sys_sendmsg+0xcd/0x170 [ 3167.674600][ T1167] do_syscall_64+0xc6/0x1e0 [ 3167.674600][ T1167] [ 3167.676830][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3167.676830][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3167.676830][ T1167] ipv6_find_idev+0x102/0x170 [ 3167.676830][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3167.676830][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3167.676830][ T1167] netlink_rcv_skb+0x130/0x360 [ 3167.676830][ T1167] netlink_unicast+0x449/0x710 [ 3167.676830][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3167.676830][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3167.676830][ T1167] ___sys_sendmsg+0xee/0x170 [ 3167.676830][ T1167] __sys_sendmsg+0xcd/0x170 [ 3167.676830][ T1167] do_syscall_64+0xc6/0x1e0 [ 3167.676830][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3167.676830][ T1167] [ 3167.678569][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3167.678569][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3167.678569][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3167.678569][ T1167] ipv6_find_idev+0x102/0x170 [ 3167.678569][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3167.678569][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3167.678569][ T1167] netlink_rcv_skb+0x130/0x360 [ 3167.678569][ T1167] netlink_unicast+0x449/0x710 [ 3167.678569][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3167.678569][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3167.678569][ T1167] ___sys_sendmsg+0xee/0x170 [ 3167.678569][ T1167] __sys_sendmsg+0xcd/0x170 [ 3167.678569][ T1167] do_syscall_64+0xc6/0x1e0 [ 3167.678569][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3167.678569][ T1167] [ 3176.465108][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3176.465541][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3176.465541][ T10] netdev_get_by_index+0x5e/0x80 [ 3176.465541][ T10] fib6_nh_init+0x3d8/0x1580 [ 3176.465541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3176.465541][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3176.465541][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3176.465541][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3176.465541][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3176.465541][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3176.465541][ T10] addrconf_dad_begin+0x310/0x670 [ 3176.465541][ T10] addrconf_dad_work+0x10b/0xab0 [ 3176.465541][ T10] process_one_work+0x84d/0x18a0 [ 3176.465541][ T10] worker_thread+0x587/0xd30 [ 3176.465541][ T10] kthread+0x28a/0x350 [ 3176.465541][ T10] ret_from_fork+0x31/0x70 [ 3176.465541][ T10] ret_from_fork_asm+0x1a/0x30 [ 3176.465541][ T10] [ 3176.467499][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3176.467499][ T10] netdev_get_by_index+0x5e/0x80 [ 3176.467499][ T10] fib6_nh_init+0x3d8/0x1580 [ 3176.467499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3176.467499][ T10] ip6_route_add+0x1c/0x140 [ 3176.467499][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3176.467499][ T10] inet6_addr_add+0x4f8/0xa40 [ 3176.467499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3176.467499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3176.467499][ T10] netlink_rcv_skb+0x130/0x360 [ 3176.467499][ T10] netlink_unicast+0x449/0x710 [ 3176.467499][ T10] netlink_sendmsg+0x723/0xbe0 [ 3176.467499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3176.467499][ T10] ___sys_sendmsg+0xee/0x170 [ 3176.467499][ T10] __sys_sendmsg+0xcd/0x170 [ 3176.467499][ T10] do_syscall_64+0xc6/0x1e0 [ 3176.467499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3176.467499][ T10] [ 3176.469514][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3176.469514][ T10] netdev_get_by_index+0x5e/0x80 [ 3176.469514][ T10] fib6_nh_init+0x3d8/0x1580 [ 3176.469514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3176.469514][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3176.469514][ T10] ipv6_add_addr+0x411/0x2000 [ 3176.469514][ T10] inet6_addr_add+0x30e/0xa40 [ 3176.469514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3176.469514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3176.469514][ T10] netlink_rcv_skb+0x130/0x360 [ 3176.469514][ T10] netlink_unicast+0x449/0x710 [ 3176.469514][ T10] netlink_sendmsg+0x723/0xbe0 [ 3176.469514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3176.469514][ T10] ___sys_sendmsg+0xee/0x170 [ 3176.469514][ T10] __sys_sendmsg+0xcd/0x170 [ 3176.469514][ T10] do_syscall_64+0xc6/0x1e0 [ 3176.469514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3176.469514][ T10] [ 3176.471545][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3176.471545][ T10] netdev_get_by_index+0x5e/0x80 [ 3176.471545][ T10] fib6_nh_init+0x3d8/0x1580 [ 3176.471545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3176.471545][ T10] ip6_route_add+0x1c/0x140 [ 3176.471545][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3176.471545][ T10] addrconf_add_dev+0xe2/0x170 [ 3176.471545][ T10] inet6_addr_add+0x12f/0xa40 [ 3176.471545][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3176.471545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3176.471545][ T10] netlink_rcv_skb+0x130/0x360 [ 3176.471545][ T10] netlink_unicast+0x449/0x710 [ 3176.471545][ T10] netlink_sendmsg+0x723/0xbe0 [ 3176.471545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3176.471545][ T10] ___sys_sendmsg+0xee/0x170 [ 3176.471545][ T10] __sys_sendmsg+0xcd/0x170 [ 3176.471545][ T10] do_syscall_64+0xc6/0x1e0 [ 3176.471545][ T10] [ 3176.473528][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3176.473528][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3176.473528][ T10] ipv6_find_idev+0x102/0x170 [ 3176.473528][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3176.473528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3176.473528][ T10] netlink_rcv_skb+0x130/0x360 [ 3176.473528][ T10] netlink_unicast+0x449/0x710 [ 3176.473528][ T10] netlink_sendmsg+0x723/0xbe0 [ 3176.473528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3176.473528][ T10] ___sys_sendmsg+0xee/0x170 [ 3176.473528][ T10] __sys_sendmsg+0xcd/0x170 [ 3176.473528][ T10] do_syscall_64+0xc6/0x1e0 [ 3176.473528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3176.473528][ T10] [ 3176.475085][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3176.475085][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3176.475085][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3176.475085][ T10] ipv6_find_idev+0x102/0x170 [ 3176.475085][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3176.475085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3176.475085][ T10] netlink_rcv_skb+0x130/0x360 [ 3176.475085][ T10] netlink_unicast+0x449/0x710 [ 3176.475085][ T10] netlink_sendmsg+0x723/0xbe0 [ 3176.475085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3176.475085][ T10] ___sys_sendmsg+0xee/0x170 [ 3176.475085][ T10] __sys_sendmsg+0xcd/0x170 [ 3176.475085][ T10] do_syscall_64+0xc6/0x1e0 [ 3176.475085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3176.475085][ T10] [ 3176.477314][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3176.477560][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3176.477560][ T10] netdev_get_by_index+0x5e/0x80 [ 3176.477560][ T10] fib6_nh_init+0x3d8/0x1580 [ 3176.477560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3176.477560][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3176.477560][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3176.477560][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3176.477560][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3176.477560][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3176.477560][ T10] addrconf_dad_begin+0x310/0x670 [ 3176.477560][ T10] addrconf_dad_work+0x10b/0xab0 [ 3176.477560][ T10] process_one_work+0x84d/0x18a0 [ 3176.477560][ T10] worker_thread+0x587/0xd30 [ 3176.477560][ T10] kthread+0x28a/0x350 [ 3176.477560][ T10] ret_from_fork+0x31/0x70 [ 3176.477560][ T10] ret_from_fork_asm+0x1a/0x30 [ 3176.477560][ T10] [ 3176.479479][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3176.479479][ T10] netdev_get_by_index+0x5e/0x80 [ 3176.479479][ T10] fib6_nh_init+0x3d8/0x1580 [ 3176.479479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3176.479479][ T10] ip6_route_add+0x1c/0x140 [ 3176.479479][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3176.479479][ T10] inet6_addr_add+0x4f8/0xa40 [ 3176.479479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3176.479479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3176.479479][ T10] netlink_rcv_skb+0x130/0x360 [ 3176.479479][ T10] netlink_unicast+0x449/0x710 [ 3176.479479][ T10] netlink_sendmsg+0x723/0xbe0 [ 3176.479479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3176.479479][ T10] ___sys_sendmsg+0xee/0x170 [ 3176.479479][ T10] __sys_sendmsg+0xcd/0x170 [ 3176.479479][ T10] do_syscall_64+0xc6/0x1e0 [ 3176.479479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3176.479479][ T10] [ 3176.481497][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3176.481497][ T10] netdev_get_by_index+0x5e/0x80 [ 3176.481497][ T10] fib6_nh_init+0x3d8/0x1580 [ 3176.481497][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3176.481497][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3176.481497][ T10] ipv6_add_addr+0x411/0x2000 [ 3176.481497][ T10] inet6_addr_add+0x30e/0xa40 [ 3176.481497][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3176.481497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3176.481497][ T10] netlink_rcv_skb+0x130/0x360 [ 3176.481497][ T10] netlink_unicast+0x449/0x710 [ 3176.481497][ T10] netlink_sendmsg+0x723/0xbe0 [ 3176.481497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3176.481497][ T10] ___sys_sendmsg+0xee/0x170 [ 3176.481497][ T10] __sys_sendmsg+0xcd/0x170 [ 3176.481497][ T10] do_syscall_64+0xc6/0x1e0 [ 3176.481497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3176.481497][ T10] [ 3176.483509][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3176.483509][ T10] netdev_get_by_index+0x5e/0x80 [ 3176.483509][ T10] fib6_nh_init+0x3d8/0x1580 [ 3176.483509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3176.483509][ T10] ip6_route_add+0x1c/0x140 [ 3176.483509][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3176.483509][ T10] addrconf_add_dev+0xe2/0x170 [ 3176.483509][ T10] inet6_addr_add+0x12f/0xa40 [ 3176.483509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3176.483509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3176.483509][ T10] netlink_rcv_skb+0x130/0x360 [ 3176.483509][ T10] netlink_unicast+0x449/0x710 [ 3176.483509][ T10] netlink_sendmsg+0x723/0xbe0 [ 3176.483509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3176.483509][ T10] ___sys_sendmsg+0xee/0x170 [ 3176.483509][ T10] __sys_sendmsg+0xcd/0x170 [ 3176.483509][ T10] do_syscall_64+0xc6/0x1e0 [ 3176.483509][ T10] [ 3176.485481][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3176.485481][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3176.485481][ T10] ipv6_find_idev+0x102/0x170 [ 3176.485481][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3176.485481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3176.485481][ T10] netlink_rcv_skb+0x130/0x360 [ 3176.485481][ T10] netlink_unicast+0x449/0x710 [ 3176.485481][ T10] netlink_sendmsg+0x723/0xbe0 [ 3176.485481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3176.485481][ T10] ___sys_sendmsg+0xee/0x170 [ 3176.485481][ T10] __sys_sendmsg+0xcd/0x170 [ 3176.485481][ T10] do_syscall_64+0xc6/0x1e0 [ 3176.485481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3176.485481][ T10] [ 3176.487026][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3176.487026][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3176.487026][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3176.487026][ T10] ipv6_find_idev+0x102/0x170 [ 3176.487026][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3176.487026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3176.487026][ T10] netlink_rcv_skb+0x130/0x360 [ 3176.487026][ T10] netlink_unicast+0x449/0x710 [ 3176.487026][ T10] netlink_sendmsg+0x723/0xbe0 [ 3176.487026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3176.487026][ T10] ___sys_sendmsg+0xee/0x170 [ 3176.487026][ T10] __sys_sendmsg+0xcd/0x170 [ 3176.487026][ T10] do_syscall_64+0xc6/0x1e0 [ 3176.487026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3176.487026][ T10] [ 3176.488725][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3176.488976][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3176.488976][ T10] netdev_get_by_index+0x5e/0x80 [ 3176.488976][ T10] fib6_nh_init+0x3d8/0x1580 [ 3176.488976][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3176.488976][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3176.488976][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3176.488976][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3176.488976][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3176.488976][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3176.488976][ T10] addrconf_dad_begin+0x310/0x670 [ 3176.488976][ T10] addrconf_dad_work+0x10b/0xab0 [ 3176.488976][ T10] process_one_work+0x84d/0x18a0 [ 3176.488976][ T10] worker_thread+0x587/0xd30 [ 3176.488976][ T10] kthread+0x28a/0x350 [ 3176.488976][ T10] ret_from_fork+0x31/0x70 [ 3176.488976][ T10] ret_from_fork_asm+0x1a/0x30 [ 3176.488976][ T10] [ 3176.490898][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3176.490898][ T10] netdev_get_by_index+0x5e/0x80 [ 3176.490898][ T10] fib6_nh_init+0x3d8/0x1580 [ 3176.490898][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3176.490898][ T10] ip6_route_add+0x1c/0x140 [ 3176.490898][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3176.490898][ T10] inet6_addr_add+0x4f8/0xa40 [ 3176.490898][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3176.490898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3176.490898][ T10] netlink_rcv_skb+0x130/0x360 [ 3176.490898][ T10] netlink_unicast+0x449/0x710 [ 3176.490898][ T10] netlink_sendmsg+0x723/0xbe0 [ 3176.490898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3176.490898][ T10] ___sys_sendmsg+0xee/0x170 [ 3176.490898][ T10] __sys_sendmsg+0xcd/0x170 [ 3176.490898][ T10] do_syscall_64+0xc6/0x1e0 [ 3176.490898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3176.490898][ T10] [ 3176.493099][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3176.493099][ T10] netdev_get_by_index+0x5e/0x80 [ 3176.493099][ T10] fib6_nh_init+0x3d8/0x1580 [ 3176.493099][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3176.493099][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3176.493099][ T10] ipv6_add_addr+0x411/0x2000 [ 3176.493099][ T10] inet6_addr_add+0x30e/0xa40 [ 3176.493099][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3176.493099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3176.493099][ T10] netlink_rcv_skb+0x130/0x360 [ 3176.493099][ T10] netlink_unicast+0x449/0x710 [ 3176.493099][ T10] netlink_sendmsg+0x723/0xbe0 [ 3176.493099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3176.493099][ T10] ___sys_sendmsg+0xee/0x170 [ 3176.493099][ T10] __sys_sendmsg+0xcd/0x170 [ 3176.493099][ T10] do_syscall_64+0xc6/0x1e0 [ 3176.493099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3176.493099][ T10] [ 3176.495347][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3176.495347][ T10] netdev_get_by_index+0x5e/0x80 [ 3176.495347][ T10] fib6_nh_init+0x3d8/0x1580 [ 3176.495347][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3176.495347][ T10] ip6_route_add+0x1c/0x140 [ 3176.495347][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3176.495347][ T10] addrconf_add_dev+0xe2/0x170 [ 3176.495347][ T10] inet6_addr_add+0x12f/0xa40 [ 3176.495347][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3176.495347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3176.495347][ T10] netlink_rcv_skb+0x130/0x360 [ 3176.495347][ T10] netlink_unicast+0x449/0x710 [ 3176.495347][ T10] netlink_sendmsg+0x723/0xbe0 [ 3176.495347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3176.495347][ T10] ___sys_sendmsg+0xee/0x170 [ 3176.495347][ T10] __sys_sendmsg+0xcd/0x170 [ 3176.495347][ T10] do_syscall_64+0xc6/0x1e0 [ 3176.495347][ T10] [ 3176.497564][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3176.497564][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3176.497564][ T10] ipv6_find_idev+0x102/0x170 [ 3176.497564][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3176.497564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3176.497564][ T10] netlink_rcv_skb+0x130/0x360 [ 3176.497564][ T10] netlink_unicast+0x449/0x710 [ 3176.497564][ T10] netlink_sendmsg+0x723/0xbe0 [ 3176.497564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3176.497564][ T10] ___sys_sendmsg+0xee/0x170 [ 3176.497564][ T10] __sys_sendmsg+0xcd/0x170 [ 3176.497564][ T10] do_syscall_64+0xc6/0x1e0 [ 3176.497564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3176.497564][ T10] [ 3176.499303][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3176.499303][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3176.499303][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3176.499303][ T10] ipv6_find_idev+0x102/0x170 [ 3176.499303][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3176.499303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3176.499303][ T10] netlink_rcv_skb+0x130/0x360 [ 3176.499303][ T10] netlink_unicast+0x449/0x710 [ 3176.499303][ T10] netlink_sendmsg+0x723/0xbe0 [ 3176.499303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3176.499303][ T10] ___sys_sendmsg+0xee/0x170 [ 3176.499303][ T10] __sys_sendmsg+0xcd/0x170 [ 3176.499303][ T10] do_syscall_64+0xc6/0x1e0 [ 3176.499303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3176.499303][ T10] [ 3176.501645][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3176.501897][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3176.501897][ T10] netdev_get_by_index+0x5e/0x80 [ 3176.501897][ T10] fib6_nh_init+0x3d8/0x1580 [ 3176.501897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3176.501897][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3176.501897][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3176.501897][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3176.501897][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3176.501897][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3176.501897][ T10] addrconf_dad_begin+0x310/0x670 [ 3176.501897][ T10] addrconf_dad_work+0x10b/0xab0 [ 3176.501897][ T10] process_one_work+0x84d/0x18a0 [ 3176.501897][ T10] worker_thread+0x587/0xd30 [ 3176.501897][ T10] kthread+0x28a/0x350 [ 3176.501897][ T10] ret_from_fork+0x31/0x70 [ 3176.501897][ T10] ret_from_fork_asm+0x1a/0x30 [ 3176.501897][ T10] [ 3176.504071][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3176.504071][ T10] netdev_get_by_index+0x5e/0x80 [ 3176.504071][ T10] fib6_nh_init+0x3d8/0x1580 [ 3176.504071][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3176.504071][ T10] ip6_route_add+0x1c/0x140 [ 3176.504071][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3176.504071][ T10] inet6_addr_add+0x4f8/0xa40 [ 3176.504071][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3176.504071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3176.504071][ T10] netlink_rcv_skb+0x130/0x360 [ 3176.504071][ T10] netlink_unicast+0x449/0x710 [ 3176.504071][ T10] netlink_sendmsg+0x723/0xbe0 [ 3176.504071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3176.504071][ T10] ___sys_sendmsg+0xee/0x170 [ 3176.504071][ T10] __sys_sendmsg+0xcd/0x170 [ 3176.504071][ T10] do_syscall_64+0xc6/0x1e0 [ 3176.504071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3176.504071][ T10] [ 3176.506322][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3176.506322][ T10] netdev_get_by_index+0x5e/0x80 [ 3176.506322][ T10] fib6_nh_init+0x3d8/0x1580 [ 3176.506322][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3176.506322][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3176.506322][ T10] ipv6_add_addr+0x411/0x2000 [ 3176.506322][ T10] inet6_addr_add+0x30e/0xa40 [ 3176.506322][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3176.506322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3176.506322][ T10] netlink_rcv_skb+0x130/0x360 [ 3176.506322][ T10] netlink_unicast+0x449/0x710 [ 3176.506322][ T10] netlink_sendmsg+0x723/0xbe0 [ 3176.506322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3176.506322][ T10] ___sys_sendmsg+0xee/0x170 [ 3176.506322][ T10] __sys_sendmsg+0xcd/0x170 [ 3176.506322][ T10] do_syscall_64+0xc6/0x1e0 [ 3176.506322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3176.506322][ T10] [ 3176.508579][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3176.508579][ T10] netdev_get_by_index+0x5e/0x80 [ 3176.508579][ T10] fib6_nh_init+0x3d8/0x1580 [ 3176.508579][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3176.508579][ T10] ip6_route_add+0x1c/0x140 [ 3176.508579][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3176.508579][ T10] addrconf_add_dev+0xe2/0x170 [ 3176.508579][ T10] inet6_addr_add+0x12f/0xa40 [ 3176.508579][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3176.508579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3176.508579][ T10] netlink_rcv_skb+0x130/0x360 [ 3176.508579][ T10] netlink_unicast+0x449/0x710 [ 3176.508579][ T10] netlink_sendmsg+0x723/0xbe0 [ 3176.508579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3176.508579][ T10] ___sys_sendmsg+0xee/0x170 [ 3176.508579][ T10] __sys_sendmsg+0xcd/0x170 [ 3176.508579][ T10] do_syscall_64+0xc6/0x1e0 [ 3176.508579][ T10] [ 3176.510819][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3176.510819][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3176.510819][ T10] ipv6_find_idev+0x102/0x170 [ 3176.510819][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3176.510819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3176.510819][ T10] netlink_rcv_skb+0x130/0x360 [ 3176.510819][ T10] netlink_unicast+0x449/0x710 [ 3176.510819][ T10] netlink_sendmsg+0x723/0xbe0 [ 3176.510819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3176.510819][ T10] ___sys_sendmsg+0xee/0x170 [ 3176.510819][ T10] __sys_sendmsg+0xcd/0x170 [ 3176.510819][ T10] do_syscall_64+0xc6/0x1e0 [ 3176.510819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3176.510819][ T10] [ 3176.512551][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3176.512551][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3176.512551][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3176.512551][ T10] ipv6_find_idev+0x102/0x170 [ 3176.512551][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3176.512551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3176.512551][ T10] netlink_rcv_skb+0x130/0x360 [ 3176.512551][ T10] netlink_unicast+0x449/0x710 [ 3176.512551][ T10] netlink_sendmsg+0x723/0xbe0 [ 3176.512551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3176.512551][ T10] ___sys_sendmsg+0xee/0x170 [ 3176.512551][ T10] __sys_sendmsg+0xcd/0x170 [ 3176.512551][ T10] do_syscall_64+0xc6/0x1e0 [ 3176.512551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3176.512551][ T10] [ 3177.745098][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3177.745574][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3177.745574][ T1167] dst_init+0x84/0x4a0 [ 3177.745574][ T1167] dst_alloc+0x97/0x150 [ 3177.745574][ T1167] ip6_dst_alloc+0x23/0x90 [ 3177.745574][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3177.745574][ T1167] ip6_pol_route+0x56f/0x840 [ 3177.745574][ T1167] fib6_rule_lookup+0x334/0x630 [ 3177.745574][ T1167] ip6_route_output_flags+0x259/0x480 [ 3177.745574][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3177.745574][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3177.745574][ T1167] netlink_rcv_skb+0x130/0x360 [ 3177.745574][ T1167] netlink_unicast+0x449/0x710 [ 3177.745574][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3177.745574][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3177.745574][ T1167] ___sys_sendmsg+0xee/0x170 [ 3177.745574][ T1167] __sys_sendmsg+0xcd/0x170 [ 3177.745574][ T1167] do_syscall_64+0xc6/0x1e0 [ 3177.745574][ T1167] [ 3177.747774][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3177.747774][ T1167] netdev_get_by_index+0x5e/0x80 [ 3177.747774][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3177.747774][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3177.747774][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3177.747774][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3177.747774][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3177.747774][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3177.747774][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3177.747774][ T1167] addrconf_dad_begin+0x310/0x670 [ 3177.747774][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3177.747774][ T1167] process_one_work+0x84d/0x18a0 [ 3177.747774][ T1167] worker_thread+0x587/0xd30 [ 3177.747774][ T1167] kthread+0x28a/0x350 [ 3177.747774][ T1167] ret_from_fork+0x31/0x70 [ 3177.747774][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3177.747774][ T1167] [ 3177.749921][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3177.749921][ T1167] netdev_get_by_index+0x5e/0x80 [ 3177.749921][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3177.749921][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3177.749921][ T1167] ip6_route_add+0x1c/0x140 [ 3177.749921][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3177.749921][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3177.749921][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3177.749921][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3177.749921][ T1167] netlink_rcv_skb+0x130/0x360 [ 3177.749921][ T1167] netlink_unicast+0x449/0x710 [ 3177.749921][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3177.749921][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3177.749921][ T1167] ___sys_sendmsg+0xee/0x170 [ 3177.749921][ T1167] __sys_sendmsg+0xcd/0x170 [ 3177.749921][ T1167] do_syscall_64+0xc6/0x1e0 [ 3177.749921][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3177.749921][ T1167] [ 3177.752159][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3177.752159][ T1167] netdev_get_by_index+0x5e/0x80 [ 3177.752159][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3177.752159][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3177.752159][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3177.752159][ T1167] ipv6_add_addr+0x411/0x2000 [ 3177.752159][ T1167] inet6_addr_add+0x30e/0xa40 [ 3177.752159][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3177.752159][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3177.752159][ T1167] netlink_rcv_skb+0x130/0x360 [ 3177.752159][ T1167] netlink_unicast+0x449/0x710 [ 3177.752159][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3177.752159][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3177.752159][ T1167] ___sys_sendmsg+0xee/0x170 [ 3177.752159][ T1167] __sys_sendmsg+0xcd/0x170 [ 3177.752159][ T1167] do_syscall_64+0xc6/0x1e0 [ 3177.752159][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3177.752159][ T1167] [ 3177.754426][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3177.754426][ T1167] netdev_get_by_index+0x5e/0x80 [ 3177.754426][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3177.754426][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3177.754426][ T1167] ip6_route_add+0x1c/0x140 [ 3177.754426][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3177.754426][ T1167] addrconf_add_dev+0xe2/0x170 [ 3177.754426][ T1167] inet6_addr_add+0x12f/0xa40 [ 3177.754426][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3177.754426][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3177.754426][ T1167] netlink_rcv_skb+0x130/0x360 [ 3177.754426][ T1167] netlink_unicast+0x449/0x710 [ 3177.754426][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3177.754426][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3177.754426][ T1167] ___sys_sendmsg+0xee/0x170 [ 3177.754426][ T1167] __sys_sendmsg+0xcd/0x170 [ 3177.754426][ T1167] do_syscall_64+0xc6/0x1e0 [ 3177.754426][ T1167] [ 3177.756626][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3177.756626][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3177.756626][ T1167] ipv6_find_idev+0x102/0x170 [ 3177.756626][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3177.756626][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3177.756626][ T1167] netlink_rcv_skb+0x130/0x360 [ 3177.756626][ T1167] netlink_unicast+0x449/0x710 [ 3177.756626][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3177.756626][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3177.756626][ T1167] ___sys_sendmsg+0xee/0x170 [ 3177.756626][ T1167] __sys_sendmsg+0xcd/0x170 [ 3177.756626][ T1167] do_syscall_64+0xc6/0x1e0 [ 3177.756626][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3177.756626][ T1167] [ 3177.758866][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3177.758866][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3177.758866][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3177.758866][ T1167] ipv6_find_idev+0x102/0x170 [ 3177.758866][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3177.758866][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3177.758866][ T1167] netlink_rcv_skb+0x130/0x360 [ 3177.758866][ T1167] netlink_unicast+0x449/0x710 [ 3177.758866][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3177.758866][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3177.758866][ T1167] ___sys_sendmsg+0xee/0x170 [ 3177.758866][ T1167] __sys_sendmsg+0xcd/0x170 [ 3177.758866][ T1167] do_syscall_64+0xc6/0x1e0 [ 3177.758866][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3177.758866][ T1167] [ 3186.769113][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3186.769544][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3186.769544][ T10] netdev_get_by_index+0x5e/0x80 [ 3186.769544][ T10] fib6_nh_init+0x3d8/0x1580 [ 3186.769544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3186.769544][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3186.769544][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3186.769544][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3186.769544][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3186.769544][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3186.769544][ T10] addrconf_dad_begin+0x310/0x670 [ 3186.769544][ T10] addrconf_dad_work+0x10b/0xab0 [ 3186.769544][ T10] process_one_work+0x84d/0x18a0 [ 3186.769544][ T10] worker_thread+0x587/0xd30 [ 3186.769544][ T10] kthread+0x28a/0x350 [ 3186.769544][ T10] ret_from_fork+0x31/0x70 [ 3186.769544][ T10] ret_from_fork_asm+0x1a/0x30 [ 3186.769544][ T10] [ 3186.771493][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3186.771493][ T10] netdev_get_by_index+0x5e/0x80 [ 3186.771493][ T10] fib6_nh_init+0x3d8/0x1580 [ 3186.771493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3186.771493][ T10] ip6_route_add+0x1c/0x140 [ 3186.771493][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3186.771493][ T10] inet6_addr_add+0x4f8/0xa40 [ 3186.771493][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3186.771493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3186.771493][ T10] netlink_rcv_skb+0x130/0x360 [ 3186.771493][ T10] netlink_unicast+0x449/0x710 [ 3186.771493][ T10] netlink_sendmsg+0x723/0xbe0 [ 3186.771493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3186.771493][ T10] ___sys_sendmsg+0xee/0x170 [ 3186.771493][ T10] __sys_sendmsg+0xcd/0x170 [ 3186.771493][ T10] do_syscall_64+0xc6/0x1e0 [ 3186.771493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3186.771493][ T10] [ 3186.773528][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3186.773528][ T10] netdev_get_by_index+0x5e/0x80 [ 3186.773528][ T10] fib6_nh_init+0x3d8/0x1580 [ 3186.773528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3186.773528][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3186.773528][ T10] ipv6_add_addr+0x411/0x2000 [ 3186.773528][ T10] inet6_addr_add+0x30e/0xa40 [ 3186.773528][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3186.773528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3186.773528][ T10] netlink_rcv_skb+0x130/0x360 [ 3186.773528][ T10] netlink_unicast+0x449/0x710 [ 3186.773528][ T10] netlink_sendmsg+0x723/0xbe0 [ 3186.773528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3186.773528][ T10] ___sys_sendmsg+0xee/0x170 [ 3186.773528][ T10] __sys_sendmsg+0xcd/0x170 [ 3186.773528][ T10] do_syscall_64+0xc6/0x1e0 [ 3186.773528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3186.773528][ T10] [ 3186.775537][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3186.775537][ T10] netdev_get_by_index+0x5e/0x80 [ 3186.775537][ T10] fib6_nh_init+0x3d8/0x1580 [ 3186.775537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3186.775537][ T10] ip6_route_add+0x1c/0x140 [ 3186.775537][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3186.775537][ T10] addrconf_add_dev+0xe2/0x170 [ 3186.775537][ T10] inet6_addr_add+0x12f/0xa40 [ 3186.775537][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3186.775537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3186.775537][ T10] netlink_rcv_skb+0x130/0x360 [ 3186.775537][ T10] netlink_unicast+0x449/0x710 [ 3186.775537][ T10] netlink_sendmsg+0x723/0xbe0 [ 3186.775537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3186.775537][ T10] ___sys_sendmsg+0xee/0x170 [ 3186.775537][ T10] __sys_sendmsg+0xcd/0x170 [ 3186.775537][ T10] do_syscall_64+0xc6/0x1e0 [ 3186.775537][ T10] [ 3186.777512][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3186.777512][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3186.777512][ T10] ipv6_find_idev+0x102/0x170 [ 3186.777512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3186.777512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3186.777512][ T10] netlink_rcv_skb+0x130/0x360 [ 3186.777512][ T10] netlink_unicast+0x449/0x710 [ 3186.777512][ T10] netlink_sendmsg+0x723/0xbe0 [ 3186.777512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3186.777512][ T10] ___sys_sendmsg+0xee/0x170 [ 3186.777512][ T10] __sys_sendmsg+0xcd/0x170 [ 3186.777512][ T10] do_syscall_64+0xc6/0x1e0 [ 3186.777512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3186.777512][ T10] [ 3186.779057][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3186.779057][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3186.779057][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3186.779057][ T10] ipv6_find_idev+0x102/0x170 [ 3186.779057][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3186.779057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3186.779057][ T10] netlink_rcv_skb+0x130/0x360 [ 3186.779057][ T10] netlink_unicast+0x449/0x710 [ 3186.779057][ T10] netlink_sendmsg+0x723/0xbe0 [ 3186.779057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3186.779057][ T10] ___sys_sendmsg+0xee/0x170 [ 3186.779057][ T10] __sys_sendmsg+0xcd/0x170 [ 3186.779057][ T10] do_syscall_64+0xc6/0x1e0 [ 3186.779057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3186.779057][ T10] [ 3186.780782][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3186.781030][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3186.781030][ T10] netdev_get_by_index+0x5e/0x80 [ 3186.781030][ T10] fib6_nh_init+0x3d8/0x1580 [ 3186.781030][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3186.781030][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3186.781030][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3186.781030][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3186.781030][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3186.781030][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3186.781030][ T10] addrconf_dad_begin+0x310/0x670 [ 3186.781030][ T10] addrconf_dad_work+0x10b/0xab0 [ 3186.781030][ T10] process_one_work+0x84d/0x18a0 [ 3186.781030][ T10] worker_thread+0x587/0xd30 [ 3186.781030][ T10] kthread+0x28a/0x350 [ 3186.781030][ T10] ret_from_fork+0x31/0x70 [ 3186.781030][ T10] ret_from_fork_asm+0x1a/0x30 [ 3186.781030][ T10] [ 3186.782956][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3186.782956][ T10] netdev_get_by_index+0x5e/0x80 [ 3186.782956][ T10] fib6_nh_init+0x3d8/0x1580 [ 3186.782956][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3186.782956][ T10] ip6_route_add+0x1c/0x140 [ 3186.782956][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3186.782956][ T10] inet6_addr_add+0x4f8/0xa40 [ 3186.782956][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3186.782956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3186.782956][ T10] netlink_rcv_skb+0x130/0x360 [ 3186.782956][ T10] netlink_unicast+0x449/0x710 [ 3186.782956][ T10] netlink_sendmsg+0x723/0xbe0 [ 3186.782956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3186.782956][ T10] ___sys_sendmsg+0xee/0x170 [ 3186.782956][ T10] __sys_sendmsg+0xcd/0x170 [ 3186.782956][ T10] do_syscall_64+0xc6/0x1e0 [ 3186.782956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3186.782956][ T10] [ 3186.785334][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3186.785334][ T10] netdev_get_by_index+0x5e/0x80 [ 3186.785334][ T10] fib6_nh_init+0x3d8/0x1580 [ 3186.785334][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3186.785334][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3186.785334][ T10] ipv6_add_addr+0x411/0x2000 [ 3186.785334][ T10] inet6_addr_add+0x30e/0xa40 [ 3186.785334][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3186.785334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3186.785334][ T10] netlink_rcv_skb+0x130/0x360 [ 3186.785334][ T10] netlink_unicast+0x449/0x710 [ 3186.785334][ T10] netlink_sendmsg+0x723/0xbe0 [ 3186.785334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3186.785334][ T10] ___sys_sendmsg+0xee/0x170 [ 3186.785334][ T10] __sys_sendmsg+0xcd/0x170 [ 3186.785334][ T10] do_syscall_64+0xc6/0x1e0 [ 3186.785334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3186.785334][ T10] [ 3186.787340][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3186.787340][ T10] netdev_get_by_index+0x5e/0x80 [ 3186.787340][ T10] fib6_nh_init+0x3d8/0x1580 [ 3186.787340][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3186.787340][ T10] ip6_route_add+0x1c/0x140 [ 3186.787340][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3186.787340][ T10] addrconf_add_dev+0xe2/0x170 [ 3186.787340][ T10] inet6_addr_add+0x12f/0xa40 [ 3186.787340][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3186.787340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3186.787340][ T10] netlink_rcv_skb+0x130/0x360 [ 3186.787340][ T10] netlink_unicast+0x449/0x710 [ 3186.787340][ T10] netlink_sendmsg+0x723/0xbe0 [ 3186.787340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3186.787340][ T10] ___sys_sendmsg+0xee/0x170 [ 3186.787340][ T10] __sys_sendmsg+0xcd/0x170 [ 3186.787340][ T10] do_syscall_64+0xc6/0x1e0 [ 3186.787340][ T10] [ 3186.789313][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3186.789313][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3186.789313][ T10] ipv6_find_idev+0x102/0x170 [ 3186.789313][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3186.789313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3186.789313][ T10] netlink_rcv_skb+0x130/0x360 [ 3186.789313][ T10] netlink_unicast+0x449/0x710 [ 3186.789313][ T10] netlink_sendmsg+0x723/0xbe0 [ 3186.789313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3186.789313][ T10] ___sys_sendmsg+0xee/0x170 [ 3186.789313][ T10] __sys_sendmsg+0xcd/0x170 [ 3186.789313][ T10] do_syscall_64+0xc6/0x1e0 [ 3186.789313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3186.789313][ T10] [ 3186.790863][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3186.790863][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3186.790863][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3186.790863][ T10] ipv6_find_idev+0x102/0x170 [ 3186.790863][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3186.790863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3186.790863][ T10] netlink_rcv_skb+0x130/0x360 [ 3186.790863][ T10] netlink_unicast+0x449/0x710 [ 3186.790863][ T10] netlink_sendmsg+0x723/0xbe0 [ 3186.790863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3186.790863][ T10] ___sys_sendmsg+0xee/0x170 [ 3186.790863][ T10] __sys_sendmsg+0xcd/0x170 [ 3186.790863][ T10] do_syscall_64+0xc6/0x1e0 [ 3186.790863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3186.790863][ T10] [ 3186.792563][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3186.792807][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3186.792807][ T10] netdev_get_by_index+0x5e/0x80 [ 3186.792807][ T10] fib6_nh_init+0x3d8/0x1580 [ 3186.792807][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3186.792807][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3186.792807][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3186.792807][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3186.792807][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3186.792807][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3186.792807][ T10] addrconf_dad_begin+0x310/0x670 [ 3186.792807][ T10] addrconf_dad_work+0x10b/0xab0 [ 3186.792807][ T10] process_one_work+0x84d/0x18a0 [ 3186.792807][ T10] worker_thread+0x587/0xd30 [ 3186.792807][ T10] kthread+0x28a/0x350 [ 3186.792807][ T10] ret_from_fork+0x31/0x70 [ 3186.792807][ T10] ret_from_fork_asm+0x1a/0x30 [ 3186.792807][ T10] [ 3186.794745][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3186.794745][ T10] netdev_get_by_index+0x5e/0x80 [ 3186.794745][ T10] fib6_nh_init+0x3d8/0x1580 [ 3186.794745][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3186.794745][ T10] ip6_route_add+0x1c/0x140 [ 3186.794745][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3186.794745][ T10] inet6_addr_add+0x4f8/0xa40 [ 3186.794745][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3186.794745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3186.794745][ T10] netlink_rcv_skb+0x130/0x360 [ 3186.794745][ T10] netlink_unicast+0x449/0x710 [ 3186.794745][ T10] netlink_sendmsg+0x723/0xbe0 [ 3186.794745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3186.794745][ T10] ___sys_sendmsg+0xee/0x170 [ 3186.794745][ T10] __sys_sendmsg+0xcd/0x170 [ 3186.794745][ T10] do_syscall_64+0xc6/0x1e0 [ 3186.794745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3186.794745][ T10] [ 3186.796945][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3186.796945][ T10] netdev_get_by_index+0x5e/0x80 [ 3186.796945][ T10] fib6_nh_init+0x3d8/0x1580 [ 3186.796945][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3186.796945][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3186.796945][ T10] ipv6_add_addr+0x411/0x2000 [ 3186.796945][ T10] inet6_addr_add+0x30e/0xa40 [ 3186.796945][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3186.796945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3186.796945][ T10] netlink_rcv_skb+0x130/0x360 [ 3186.796945][ T10] netlink_unicast+0x449/0x710 [ 3186.796945][ T10] netlink_sendmsg+0x723/0xbe0 [ 3186.796945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3186.796945][ T10] ___sys_sendmsg+0xee/0x170 [ 3186.796945][ T10] __sys_sendmsg+0xcd/0x170 [ 3186.796945][ T10] do_syscall_64+0xc6/0x1e0 [ 3186.796945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3186.796945][ T10] [ 3186.799271][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3186.799271][ T10] netdev_get_by_index+0x5e/0x80 [ 3186.799271][ T10] fib6_nh_init+0x3d8/0x1580 [ 3186.799271][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3186.799271][ T10] ip6_route_add+0x1c/0x140 [ 3186.799271][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3186.799271][ T10] addrconf_add_dev+0xe2/0x170 [ 3186.799271][ T10] inet6_addr_add+0x12f/0xa40 [ 3186.799271][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3186.799271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3186.799271][ T10] netlink_rcv_skb+0x130/0x360 [ 3186.799271][ T10] netlink_unicast+0x449/0x710 [ 3186.799271][ T10] netlink_sendmsg+0x723/0xbe0 [ 3186.799271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3186.799271][ T10] ___sys_sendmsg+0xee/0x170 [ 3186.799271][ T10] __sys_sendmsg+0xcd/0x170 [ 3186.799271][ T10] do_syscall_64+0xc6/0x1e0 [ 3186.799271][ T10] [ 3186.801505][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3186.801505][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3186.801505][ T10] ipv6_find_idev+0x102/0x170 [ 3186.801505][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3186.801505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3186.801505][ T10] netlink_rcv_skb+0x130/0x360 [ 3186.801505][ T10] netlink_unicast+0x449/0x710 [ 3186.801505][ T10] netlink_sendmsg+0x723/0xbe0 [ 3186.801505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3186.801505][ T10] ___sys_sendmsg+0xee/0x170 [ 3186.801505][ T10] __sys_sendmsg+0xcd/0x170 [ 3186.801505][ T10] do_syscall_64+0xc6/0x1e0 [ 3186.801505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3186.801505][ T10] [ 3186.803242][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3186.803242][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3186.803242][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3186.803242][ T10] ipv6_find_idev+0x102/0x170 [ 3186.803242][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3186.803242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3186.803242][ T10] netlink_rcv_skb+0x130/0x360 [ 3186.803242][ T10] netlink_unicast+0x449/0x710 [ 3186.803242][ T10] netlink_sendmsg+0x723/0xbe0 [ 3186.803242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3186.803242][ T10] ___sys_sendmsg+0xee/0x170 [ 3186.803242][ T10] __sys_sendmsg+0xcd/0x170 [ 3186.803242][ T10] do_syscall_64+0xc6/0x1e0 [ 3186.803242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3186.803242][ T10] [ 3186.805122][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3186.805370][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3186.805370][ T10] netdev_get_by_index+0x5e/0x80 [ 3186.805370][ T10] fib6_nh_init+0x3d8/0x1580 [ 3186.805370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3186.805370][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3186.805370][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3186.805370][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3186.805370][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3186.805370][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3186.805370][ T10] addrconf_dad_begin+0x310/0x670 [ 3186.805370][ T10] addrconf_dad_work+0x10b/0xab0 [ 3186.805370][ T10] process_one_work+0x84d/0x18a0 [ 3186.805370][ T10] worker_thread+0x587/0xd30 [ 3186.805370][ T10] kthread+0x28a/0x350 [ 3186.805370][ T10] ret_from_fork+0x31/0x70 [ 3186.805370][ T10] ret_from_fork_asm+0x1a/0x30 [ 3186.805370][ T10] [ 3186.807594][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3186.807594][ T10] netdev_get_by_index+0x5e/0x80 [ 3186.807594][ T10] fib6_nh_init+0x3d8/0x1580 [ 3186.807594][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3186.807594][ T10] ip6_route_add+0x1c/0x140 [ 3186.807594][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3186.807594][ T10] inet6_addr_add+0x4f8/0xa40 [ 3186.807594][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3186.807594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3186.807594][ T10] netlink_rcv_skb+0x130/0x360 [ 3186.807594][ T10] netlink_unicast+0x449/0x710 [ 3186.807594][ T10] netlink_sendmsg+0x723/0xbe0 [ 3186.807594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3186.807594][ T10] ___sys_sendmsg+0xee/0x170 [ 3186.807594][ T10] __sys_sendmsg+0xcd/0x170 [ 3186.807594][ T10] do_syscall_64+0xc6/0x1e0 [ 3186.807594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3186.807594][ T10] [ 3186.809854][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3186.809854][ T10] netdev_get_by_index+0x5e/0x80 [ 3186.809854][ T10] fib6_nh_init+0x3d8/0x1580 [ 3186.809854][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3186.809854][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3186.809854][ T10] ipv6_add_addr+0x411/0x2000 [ 3186.809854][ T10] inet6_addr_add+0x30e/0xa40 [ 3186.809854][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3186.809854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3186.809854][ T10] netlink_rcv_skb+0x130/0x360 [ 3186.809854][ T10] netlink_unicast+0x449/0x710 [ 3186.809854][ T10] netlink_sendmsg+0x723/0xbe0 [ 3186.809854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3186.809854][ T10] ___sys_sendmsg+0xee/0x170 [ 3186.809854][ T10] __sys_sendmsg+0xcd/0x170 [ 3186.809854][ T10] do_syscall_64+0xc6/0x1e0 [ 3186.809854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3186.809854][ T10] [ 3186.812098][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3186.812098][ T10] netdev_get_by_index+0x5e/0x80 [ 3186.812098][ T10] fib6_nh_init+0x3d8/0x1580 [ 3186.812098][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3186.812098][ T10] ip6_route_add+0x1c/0x140 [ 3186.812098][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3186.812098][ T10] addrconf_add_dev+0xe2/0x170 [ 3186.812098][ T10] inet6_addr_add+0x12f/0xa40 [ 3186.812098][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3186.812098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3186.812098][ T10] netlink_rcv_skb+0x130/0x360 [ 3186.812098][ T10] netlink_unicast+0x449/0x710 [ 3186.812098][ T10] netlink_sendmsg+0x723/0xbe0 [ 3186.812098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3186.812098][ T10] ___sys_sendmsg+0xee/0x170 [ 3186.812098][ T10] __sys_sendmsg+0xcd/0x170 [ 3186.812098][ T10] do_syscall_64+0xc6/0x1e0 [ 3186.812098][ T10] [ 3186.814252][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3186.814252][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3186.814252][ T10] ipv6_find_idev+0x102/0x170 [ 3186.814252][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3186.814252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3186.814252][ T10] netlink_rcv_skb+0x130/0x360 [ 3186.814252][ T10] netlink_unicast+0x449/0x710 [ 3186.814252][ T10] netlink_sendmsg+0x723/0xbe0 [ 3186.814252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3186.814252][ T10] ___sys_sendmsg+0xee/0x170 [ 3186.814252][ T10] __sys_sendmsg+0xcd/0x170 [ 3186.814252][ T10] do_syscall_64+0xc6/0x1e0 [ 3186.814252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3186.814252][ T10] [ 3186.815977][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3186.815977][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3186.815977][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3186.815977][ T10] ipv6_find_idev+0x102/0x170 [ 3186.815977][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3186.815977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3186.815977][ T10] netlink_rcv_skb+0x130/0x360 [ 3186.815977][ T10] netlink_unicast+0x449/0x710 [ 3186.815977][ T10] netlink_sendmsg+0x723/0xbe0 [ 3186.815977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3186.815977][ T10] ___sys_sendmsg+0xee/0x170 [ 3186.815977][ T10] __sys_sendmsg+0xcd/0x170 [ 3186.815977][ T10] do_syscall_64+0xc6/0x1e0 [ 3186.815977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3186.815977][ T10] [ 3188.001136][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3188.001644][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3188.001644][ T1167] dst_init+0x84/0x4a0 [ 3188.001644][ T1167] dst_alloc+0x97/0x150 [ 3188.001644][ T1167] ip6_dst_alloc+0x23/0x90 [ 3188.001644][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3188.001644][ T1167] ip6_pol_route+0x56f/0x840 [ 3188.001644][ T1167] fib6_rule_lookup+0x334/0x630 [ 3188.001644][ T1167] ip6_route_output_flags+0x259/0x480 [ 3188.001644][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3188.001644][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3188.001644][ T1167] netlink_rcv_skb+0x130/0x360 [ 3188.001644][ T1167] netlink_unicast+0x449/0x710 [ 3188.001644][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3188.001644][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3188.001644][ T1167] ___sys_sendmsg+0xee/0x170 [ 3188.001644][ T1167] __sys_sendmsg+0xcd/0x170 [ 3188.001644][ T1167] do_syscall_64+0xc6/0x1e0 [ 3188.001644][ T1167] [ 3188.003849][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3188.003849][ T1167] netdev_get_by_index+0x5e/0x80 [ 3188.003849][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3188.003849][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3188.003849][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3188.003849][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3188.003849][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3188.003849][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3188.003849][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3188.003849][ T1167] addrconf_dad_begin+0x310/0x670 [ 3188.003849][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3188.003849][ T1167] process_one_work+0x84d/0x18a0 [ 3188.003849][ T1167] worker_thread+0x587/0xd30 [ 3188.003849][ T1167] kthread+0x28a/0x350 [ 3188.003849][ T1167] ret_from_fork+0x31/0x70 [ 3188.003849][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3188.003849][ T1167] [ 3188.005993][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3188.005993][ T1167] netdev_get_by_index+0x5e/0x80 [ 3188.005993][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3188.005993][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3188.005993][ T1167] ip6_route_add+0x1c/0x140 [ 3188.005993][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3188.005993][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3188.005993][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3188.005993][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3188.005993][ T1167] netlink_rcv_skb+0x130/0x360 [ 3188.005993][ T1167] netlink_unicast+0x449/0x710 [ 3188.005993][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3188.005993][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3188.005993][ T1167] ___sys_sendmsg+0xee/0x170 [ 3188.005993][ T1167] __sys_sendmsg+0xcd/0x170 [ 3188.005993][ T1167] do_syscall_64+0xc6/0x1e0 [ 3188.005993][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3188.005993][ T1167] [ 3188.008231][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3188.008231][ T1167] netdev_get_by_index+0x5e/0x80 [ 3188.008231][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3188.008231][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3188.008231][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3188.008231][ T1167] ipv6_add_addr+0x411/0x2000 [ 3188.008231][ T1167] inet6_addr_add+0x30e/0xa40 [ 3188.008231][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3188.008231][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3188.008231][ T1167] netlink_rcv_skb+0x130/0x360 [ 3188.008231][ T1167] netlink_unicast+0x449/0x710 [ 3188.008231][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3188.008231][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3188.008231][ T1167] ___sys_sendmsg+0xee/0x170 [ 3188.008231][ T1167] __sys_sendmsg+0xcd/0x170 [ 3188.008231][ T1167] do_syscall_64+0xc6/0x1e0 [ 3188.008231][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3188.008231][ T1167] [ 3188.010475][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3188.010475][ T1167] netdev_get_by_index+0x5e/0x80 [ 3188.010475][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3188.010475][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3188.010475][ T1167] ip6_route_add+0x1c/0x140 [ 3188.010475][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3188.010475][ T1167] addrconf_add_dev+0xe2/0x170 [ 3188.010475][ T1167] inet6_addr_add+0x12f/0xa40 [ 3188.010475][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3188.010475][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3188.010475][ T1167] netlink_rcv_skb+0x130/0x360 [ 3188.010475][ T1167] netlink_unicast+0x449/0x710 [ 3188.010475][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3188.010475][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3188.010475][ T1167] ___sys_sendmsg+0xee/0x170 [ 3188.010475][ T1167] __sys_sendmsg+0xcd/0x170 [ 3188.010475][ T1167] do_syscall_64+0xc6/0x1e0 [ 3188.010475][ T1167] [ 3188.012676][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3188.012676][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3188.012676][ T1167] ipv6_find_idev+0x102/0x170 [ 3188.012676][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3188.012676][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3188.012676][ T1167] netlink_rcv_skb+0x130/0x360 [ 3188.012676][ T1167] netlink_unicast+0x449/0x710 [ 3188.012676][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3188.012676][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3188.012676][ T1167] ___sys_sendmsg+0xee/0x170 [ 3188.012676][ T1167] __sys_sendmsg+0xcd/0x170 [ 3188.012676][ T1167] do_syscall_64+0xc6/0x1e0 [ 3188.012676][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3188.012676][ T1167] [ 3188.014414][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3188.014414][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3188.014414][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3188.014414][ T1167] ipv6_find_idev+0x102/0x170 [ 3188.014414][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3188.014414][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3188.014414][ T1167] netlink_rcv_skb+0x130/0x360 [ 3188.014414][ T1167] netlink_unicast+0x449/0x710 [ 3188.014414][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3188.014414][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3188.014414][ T1167] ___sys_sendmsg+0xee/0x170 [ 3188.014414][ T1167] __sys_sendmsg+0xcd/0x170 [ 3188.014414][ T1167] do_syscall_64+0xc6/0x1e0 [ 3188.014414][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3188.014414][ T1167] [ 3197.073072][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3197.073513][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3197.073513][ T10] netdev_get_by_index+0x5e/0x80 [ 3197.073513][ T10] fib6_nh_init+0x3d8/0x1580 [ 3197.073513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3197.073513][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3197.073513][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3197.073513][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3197.073513][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3197.073513][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3197.073513][ T10] addrconf_dad_begin+0x310/0x670 [ 3197.073513][ T10] addrconf_dad_work+0x10b/0xab0 [ 3197.073513][ T10] process_one_work+0x84d/0x18a0 [ 3197.073513][ T10] worker_thread+0x587/0xd30 [ 3197.073513][ T10] kthread+0x28a/0x350 [ 3197.073513][ T10] ret_from_fork+0x31/0x70 [ 3197.073513][ T10] ret_from_fork_asm+0x1a/0x30 [ 3197.073513][ T10] [ 3197.075450][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3197.075450][ T10] netdev_get_by_index+0x5e/0x80 [ 3197.075450][ T10] fib6_nh_init+0x3d8/0x1580 [ 3197.075450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3197.075450][ T10] ip6_route_add+0x1c/0x140 [ 3197.075450][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3197.075450][ T10] inet6_addr_add+0x4f8/0xa40 [ 3197.075450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3197.075450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3197.075450][ T10] netlink_rcv_skb+0x130/0x360 [ 3197.075450][ T10] netlink_unicast+0x449/0x710 [ 3197.075450][ T10] netlink_sendmsg+0x723/0xbe0 [ 3197.075450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3197.075450][ T10] ___sys_sendmsg+0xee/0x170 [ 3197.075450][ T10] __sys_sendmsg+0xcd/0x170 [ 3197.075450][ T10] do_syscall_64+0xc6/0x1e0 [ 3197.075450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3197.075450][ T10] [ 3197.077464][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3197.077464][ T10] netdev_get_by_index+0x5e/0x80 [ 3197.077464][ T10] fib6_nh_init+0x3d8/0x1580 [ 3197.077464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3197.077464][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3197.077464][ T10] ipv6_add_addr+0x411/0x2000 [ 3197.077464][ T10] inet6_addr_add+0x30e/0xa40 [ 3197.077464][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3197.077464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3197.077464][ T10] netlink_rcv_skb+0x130/0x360 [ 3197.077464][ T10] netlink_unicast+0x449/0x710 [ 3197.077464][ T10] netlink_sendmsg+0x723/0xbe0 [ 3197.077464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3197.077464][ T10] ___sys_sendmsg+0xee/0x170 [ 3197.077464][ T10] __sys_sendmsg+0xcd/0x170 [ 3197.077464][ T10] do_syscall_64+0xc6/0x1e0 [ 3197.077464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3197.077464][ T10] [ 3197.079472][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3197.079472][ T10] netdev_get_by_index+0x5e/0x80 [ 3197.079472][ T10] fib6_nh_init+0x3d8/0x1580 [ 3197.079472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3197.079472][ T10] ip6_route_add+0x1c/0x140 [ 3197.079472][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3197.079472][ T10] addrconf_add_dev+0xe2/0x170 [ 3197.079472][ T10] inet6_addr_add+0x12f/0xa40 [ 3197.079472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3197.079472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3197.079472][ T10] netlink_rcv_skb+0x130/0x360 [ 3197.079472][ T10] netlink_unicast+0x449/0x710 [ 3197.079472][ T10] netlink_sendmsg+0x723/0xbe0 [ 3197.079472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3197.079472][ T10] ___sys_sendmsg+0xee/0x170 [ 3197.079472][ T10] __sys_sendmsg+0xcd/0x170 [ 3197.079472][ T10] do_syscall_64+0xc6/0x1e0 [ 3197.079472][ T10] [ 3197.081465][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3197.081465][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3197.081465][ T10] ipv6_find_idev+0x102/0x170 [ 3197.081465][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3197.081465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3197.081465][ T10] netlink_rcv_skb+0x130/0x360 [ 3197.081465][ T10] netlink_unicast+0x449/0x710 [ 3197.081465][ T10] netlink_sendmsg+0x723/0xbe0 [ 3197.081465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3197.081465][ T10] ___sys_sendmsg+0xee/0x170 [ 3197.081465][ T10] __sys_sendmsg+0xcd/0x170 [ 3197.081465][ T10] do_syscall_64+0xc6/0x1e0 [ 3197.081465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3197.081465][ T10] [ 3197.083027][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3197.083027][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3197.083027][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3197.083027][ T10] ipv6_find_idev+0x102/0x170 [ 3197.083027][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3197.083027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3197.083027][ T10] netlink_rcv_skb+0x130/0x360 [ 3197.083027][ T10] netlink_unicast+0x449/0x710 [ 3197.083027][ T10] netlink_sendmsg+0x723/0xbe0 [ 3197.083027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3197.083027][ T10] ___sys_sendmsg+0xee/0x170 [ 3197.083027][ T10] __sys_sendmsg+0xcd/0x170 [ 3197.083027][ T10] do_syscall_64+0xc6/0x1e0 [ 3197.083027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3197.083027][ T10] [ 3197.084750][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3197.084998][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3197.084998][ T10] netdev_get_by_index+0x5e/0x80 [ 3197.084998][ T10] fib6_nh_init+0x3d8/0x1580 [ 3197.084998][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3197.084998][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3197.084998][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3197.084998][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3197.084998][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3197.084998][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3197.084998][ T10] addrconf_dad_begin+0x310/0x670 [ 3197.084998][ T10] addrconf_dad_work+0x10b/0xab0 [ 3197.084998][ T10] process_one_work+0x84d/0x18a0 [ 3197.084998][ T10] worker_thread+0x587/0xd30 [ 3197.084998][ T10] kthread+0x28a/0x350 [ 3197.084998][ T10] ret_from_fork+0x31/0x70 [ 3197.084998][ T10] ret_from_fork_asm+0x1a/0x30 [ 3197.084998][ T10] [ 3197.086928][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3197.086928][ T10] netdev_get_by_index+0x5e/0x80 [ 3197.086928][ T10] fib6_nh_init+0x3d8/0x1580 [ 3197.086928][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3197.086928][ T10] ip6_route_add+0x1c/0x140 [ 3197.086928][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3197.086928][ T10] inet6_addr_add+0x4f8/0xa40 [ 3197.086928][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3197.086928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3197.086928][ T10] netlink_rcv_skb+0x130/0x360 [ 3197.086928][ T10] netlink_unicast+0x449/0x710 [ 3197.086928][ T10] netlink_sendmsg+0x723/0xbe0 [ 3197.086928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3197.086928][ T10] ___sys_sendmsg+0xee/0x170 [ 3197.086928][ T10] __sys_sendmsg+0xcd/0x170 [ 3197.086928][ T10] do_syscall_64+0xc6/0x1e0 [ 3197.086928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3197.086928][ T10] [ 3197.088933][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3197.088933][ T10] netdev_get_by_index+0x5e/0x80 [ 3197.088933][ T10] fib6_nh_init+0x3d8/0x1580 [ 3197.088933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3197.088933][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3197.088933][ T10] ipv6_add_addr+0x411/0x2000 [ 3197.088933][ T10] inet6_addr_add+0x30e/0xa40 [ 3197.088933][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3197.088933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3197.088933][ T10] netlink_rcv_skb+0x130/0x360 [ 3197.088933][ T10] netlink_unicast+0x449/0x710 [ 3197.088933][ T10] netlink_sendmsg+0x723/0xbe0 [ 3197.088933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3197.088933][ T10] ___sys_sendmsg+0xee/0x170 [ 3197.088933][ T10] __sys_sendmsg+0xcd/0x170 [ 3197.088933][ T10] do_syscall_64+0xc6/0x1e0 [ 3197.088933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3197.088933][ T10] [ 3197.090945][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3197.090945][ T10] netdev_get_by_index+0x5e/0x80 [ 3197.090945][ T10] fib6_nh_init+0x3d8/0x1580 [ 3197.090945][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3197.090945][ T10] ip6_route_add+0x1c/0x140 [ 3197.090945][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3197.090945][ T10] addrconf_add_dev+0xe2/0x170 [ 3197.090945][ T10] inet6_addr_add+0x12f/0xa40 [ 3197.090945][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3197.090945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3197.090945][ T10] netlink_rcv_skb+0x130/0x360 [ 3197.090945][ T10] netlink_unicast+0x449/0x710 [ 3197.090945][ T10] netlink_sendmsg+0x723/0xbe0 [ 3197.090945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3197.090945][ T10] ___sys_sendmsg+0xee/0x170 [ 3197.090945][ T10] __sys_sendmsg+0xcd/0x170 [ 3197.090945][ T10] do_syscall_64+0xc6/0x1e0 [ 3197.090945][ T10] [ 3197.092926][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3197.092926][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3197.092926][ T10] ipv6_find_idev+0x102/0x170 [ 3197.092926][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3197.092926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3197.092926][ T10] netlink_rcv_skb+0x130/0x360 [ 3197.092926][ T10] netlink_unicast+0x449/0x710 [ 3197.092926][ T10] netlink_sendmsg+0x723/0xbe0 [ 3197.092926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3197.092926][ T10] ___sys_sendmsg+0xee/0x170 [ 3197.092926][ T10] __sys_sendmsg+0xcd/0x170 [ 3197.092926][ T10] do_syscall_64+0xc6/0x1e0 [ 3197.092926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3197.092926][ T10] [ 3197.094473][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3197.094473][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3197.094473][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3197.094473][ T10] ipv6_find_idev+0x102/0x170 [ 3197.094473][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3197.094473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3197.094473][ T10] netlink_rcv_skb+0x130/0x360 [ 3197.094473][ T10] netlink_unicast+0x449/0x710 [ 3197.094473][ T10] netlink_sendmsg+0x723/0xbe0 [ 3197.094473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3197.094473][ T10] ___sys_sendmsg+0xee/0x170 [ 3197.094473][ T10] __sys_sendmsg+0xcd/0x170 [ 3197.094473][ T10] do_syscall_64+0xc6/0x1e0 [ 3197.094473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3197.094473][ T10] [ 3197.096173][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3197.096424][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3197.096424][ T10] netdev_get_by_index+0x5e/0x80 [ 3197.096424][ T10] fib6_nh_init+0x3d8/0x1580 [ 3197.096424][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3197.096424][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3197.096424][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3197.096424][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3197.096424][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3197.096424][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3197.096424][ T10] addrconf_dad_begin+0x310/0x670 [ 3197.096424][ T10] addrconf_dad_work+0x10b/0xab0 [ 3197.096424][ T10] process_one_work+0x84d/0x18a0 [ 3197.096424][ T10] worker_thread+0x587/0xd30 [ 3197.096424][ T10] kthread+0x28a/0x350 [ 3197.096424][ T10] ret_from_fork+0x31/0x70 [ 3197.096424][ T10] ret_from_fork_asm+0x1a/0x30 [ 3197.096424][ T10] [ 3197.098363][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3197.098363][ T10] netdev_get_by_index+0x5e/0x80 [ 3197.098363][ T10] fib6_nh_init+0x3d8/0x1580 [ 3197.098363][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3197.098363][ T10] ip6_route_add+0x1c/0x140 [ 3197.098363][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3197.098363][ T10] inet6_addr_add+0x4f8/0xa40 [ 3197.098363][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3197.098363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3197.098363][ T10] netlink_rcv_skb+0x130/0x360 [ 3197.098363][ T10] netlink_unicast+0x449/0x710 [ 3197.098363][ T10] netlink_sendmsg+0x723/0xbe0 [ 3197.098363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3197.098363][ T10] ___sys_sendmsg+0xee/0x170 [ 3197.098363][ T10] __sys_sendmsg+0xcd/0x170 [ 3197.098363][ T10] do_syscall_64+0xc6/0x1e0 [ 3197.098363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3197.098363][ T10] [ 3197.100447][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3197.100447][ T10] netdev_get_by_index+0x5e/0x80 [ 3197.100447][ T10] fib6_nh_init+0x3d8/0x1580 [ 3197.100447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3197.100447][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3197.100447][ T10] ipv6_add_addr+0x411/0x2000 [ 3197.100447][ T10] inet6_addr_add+0x30e/0xa40 [ 3197.100447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3197.100447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3197.100447][ T10] netlink_rcv_skb+0x130/0x360 [ 3197.100447][ T10] netlink_unicast+0x449/0x710 [ 3197.100447][ T10] netlink_sendmsg+0x723/0xbe0 [ 3197.100447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3197.100447][ T10] ___sys_sendmsg+0xee/0x170 [ 3197.100447][ T10] __sys_sendmsg+0xcd/0x170 [ 3197.100447][ T10] do_syscall_64+0xc6/0x1e0 [ 3197.100447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3197.100447][ T10] [ 3197.102605][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3197.102605][ T10] netdev_get_by_index+0x5e/0x80 [ 3197.102605][ T10] fib6_nh_init+0x3d8/0x1580 [ 3197.102605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3197.102605][ T10] ip6_route_add+0x1c/0x140 [ 3197.102605][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3197.102605][ T10] addrconf_add_dev+0xe2/0x170 [ 3197.102605][ T10] inet6_addr_add+0x12f/0xa40 [ 3197.102605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3197.102605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3197.102605][ T10] netlink_rcv_skb+0x130/0x360 [ 3197.102605][ T10] netlink_unicast+0x449/0x710 [ 3197.102605][ T10] netlink_sendmsg+0x723/0xbe0 [ 3197.102605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3197.102605][ T10] ___sys_sendmsg+0xee/0x170 [ 3197.102605][ T10] __sys_sendmsg+0xcd/0x170 [ 3197.102605][ T10] do_syscall_64+0xc6/0x1e0 [ 3197.102605][ T10] [ 3197.104656][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3197.104656][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3197.104656][ T10] ipv6_find_idev+0x102/0x170 [ 3197.104656][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3197.104656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3197.104656][ T10] netlink_rcv_skb+0x130/0x360 [ 3197.104656][ T10] netlink_unicast+0x449/0x710 [ 3197.104656][ T10] netlink_sendmsg+0x723/0xbe0 [ 3197.104656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3197.104656][ T10] ___sys_sendmsg+0xee/0x170 [ 3197.104656][ T10] __sys_sendmsg+0xcd/0x170 [ 3197.104656][ T10] do_syscall_64+0xc6/0x1e0 [ 3197.104656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3197.104656][ T10] [ 3197.106278][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3197.106278][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3197.106278][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3197.106278][ T10] ipv6_find_idev+0x102/0x170 [ 3197.106278][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3197.106278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3197.106278][ T10] netlink_rcv_skb+0x130/0x360 [ 3197.106278][ T10] netlink_unicast+0x449/0x710 [ 3197.106278][ T10] netlink_sendmsg+0x723/0xbe0 [ 3197.106278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3197.106278][ T10] ___sys_sendmsg+0xee/0x170 [ 3197.106278][ T10] __sys_sendmsg+0xcd/0x170 [ 3197.106278][ T10] do_syscall_64+0xc6/0x1e0 [ 3197.106278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3197.106278][ T10] [ 3197.108071][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3197.108319][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3197.108319][ T10] netdev_get_by_index+0x5e/0x80 [ 3197.108319][ T10] fib6_nh_init+0x3d8/0x1580 [ 3197.108319][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3197.108319][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3197.108319][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3197.108319][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3197.108319][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3197.108319][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3197.108319][ T10] addrconf_dad_begin+0x310/0x670 [ 3197.108319][ T10] addrconf_dad_work+0x10b/0xab0 [ 3197.108319][ T10] process_one_work+0x84d/0x18a0 [ 3197.108319][ T10] worker_thread+0x587/0xd30 [ 3197.108319][ T10] kthread+0x28a/0x350 [ 3197.108319][ T10] ret_from_fork+0x31/0x70 [ 3197.108319][ T10] ret_from_fork_asm+0x1a/0x30 [ 3197.108319][ T10] [ 3197.110292][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3197.110292][ T10] netdev_get_by_index+0x5e/0x80 [ 3197.110292][ T10] fib6_nh_init+0x3d8/0x1580 [ 3197.110292][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3197.110292][ T10] ip6_route_add+0x1c/0x140 [ 3197.110292][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3197.110292][ T10] inet6_addr_add+0x4f8/0xa40 [ 3197.110292][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3197.110292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3197.110292][ T10] netlink_rcv_skb+0x130/0x360 [ 3197.110292][ T10] netlink_unicast+0x449/0x710 [ 3197.110292][ T10] netlink_sendmsg+0x723/0xbe0 [ 3197.110292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3197.110292][ T10] ___sys_sendmsg+0xee/0x170 [ 3197.110292][ T10] __sys_sendmsg+0xcd/0x170 [ 3197.110292][ T10] do_syscall_64+0xc6/0x1e0 [ 3197.110292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3197.110292][ T10] [ 3197.112437][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3197.112437][ T10] netdev_get_by_index+0x5e/0x80 [ 3197.112437][ T10] fib6_nh_init+0x3d8/0x1580 [ 3197.112437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3197.112437][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3197.112437][ T10] ipv6_add_addr+0x411/0x2000 [ 3197.112437][ T10] inet6_addr_add+0x30e/0xa40 [ 3197.112437][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3197.112437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3197.112437][ T10] netlink_rcv_skb+0x130/0x360 [ 3197.112437][ T10] netlink_unicast+0x449/0x710 [ 3197.112437][ T10] netlink_sendmsg+0x723/0xbe0 [ 3197.112437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3197.112437][ T10] ___sys_sendmsg+0xee/0x170 [ 3197.112437][ T10] __sys_sendmsg+0xcd/0x170 [ 3197.112437][ T10] do_syscall_64+0xc6/0x1e0 [ 3197.112437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3197.112437][ T10] [ 3197.114512][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3197.114512][ T10] netdev_get_by_index+0x5e/0x80 [ 3197.114512][ T10] fib6_nh_init+0x3d8/0x1580 [ 3197.114512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3197.114512][ T10] ip6_route_add+0x1c/0x140 [ 3197.114512][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3197.114512][ T10] addrconf_add_dev+0xe2/0x170 [ 3197.114512][ T10] inet6_addr_add+0x12f/0xa40 [ 3197.114512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3197.114512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3197.114512][ T10] netlink_rcv_skb+0x130/0x360 [ 3197.114512][ T10] netlink_unicast+0x449/0x710 [ 3197.114512][ T10] netlink_sendmsg+0x723/0xbe0 [ 3197.114512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3197.114512][ T10] ___sys_sendmsg+0xee/0x170 [ 3197.114512][ T10] __sys_sendmsg+0xcd/0x170 [ 3197.114512][ T10] do_syscall_64+0xc6/0x1e0 [ 3197.114512][ T10] [ 3197.116562][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3197.116562][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3197.116562][ T10] ipv6_find_idev+0x102/0x170 [ 3197.116562][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3197.116562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3197.116562][ T10] netlink_rcv_skb+0x130/0x360 [ 3197.116562][ T10] netlink_unicast+0x449/0x710 [ 3197.116562][ T10] netlink_sendmsg+0x723/0xbe0 [ 3197.116562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3197.116562][ T10] ___sys_sendmsg+0xee/0x170 [ 3197.116562][ T10] __sys_sendmsg+0xcd/0x170 [ 3197.116562][ T10] do_syscall_64+0xc6/0x1e0 [ 3197.116562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3197.116562][ T10] [ 3197.118174][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3197.118174][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3197.118174][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3197.118174][ T10] ipv6_find_idev+0x102/0x170 [ 3197.118174][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3197.118174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3197.118174][ T10] netlink_rcv_skb+0x130/0x360 [ 3197.118174][ T10] netlink_unicast+0x449/0x710 [ 3197.118174][ T10] netlink_sendmsg+0x723/0xbe0 [ 3197.118174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3197.118174][ T10] ___sys_sendmsg+0xee/0x170 [ 3197.118174][ T10] __sys_sendmsg+0xcd/0x170 [ 3197.118174][ T10] do_syscall_64+0xc6/0x1e0 [ 3197.118174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3197.118174][ T10] [ 3198.257128][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3198.257630][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3198.257630][ T1167] dst_init+0x84/0x4a0 [ 3198.257630][ T1167] dst_alloc+0x97/0x150 [ 3198.257630][ T1167] ip6_dst_alloc+0x23/0x90 [ 3198.257630][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3198.257630][ T1167] ip6_pol_route+0x56f/0x840 [ 3198.257630][ T1167] fib6_rule_lookup+0x334/0x630 [ 3198.257630][ T1167] ip6_route_output_flags+0x259/0x480 [ 3198.257630][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3198.257630][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3198.257630][ T1167] netlink_rcv_skb+0x130/0x360 [ 3198.257630][ T1167] netlink_unicast+0x449/0x710 [ 3198.257630][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3198.257630][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3198.257630][ T1167] ___sys_sendmsg+0xee/0x170 [ 3198.257630][ T1167] __sys_sendmsg+0xcd/0x170 [ 3198.257630][ T1167] do_syscall_64+0xc6/0x1e0 [ 3198.257630][ T1167] [ 3198.259838][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3198.259838][ T1167] netdev_get_by_index+0x5e/0x80 [ 3198.259838][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3198.259838][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3198.259838][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3198.259838][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3198.259838][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3198.259838][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3198.259838][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3198.259838][ T1167] addrconf_dad_begin+0x310/0x670 [ 3198.259838][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3198.259838][ T1167] process_one_work+0x84d/0x18a0 [ 3198.259838][ T1167] worker_thread+0x587/0xd30 [ 3198.259838][ T1167] kthread+0x28a/0x350 [ 3198.259838][ T1167] ret_from_fork+0x31/0x70 [ 3198.259838][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3198.259838][ T1167] [ 3198.262009][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3198.262009][ T1167] netdev_get_by_index+0x5e/0x80 [ 3198.262009][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3198.262009][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3198.262009][ T1167] ip6_route_add+0x1c/0x140 [ 3198.262009][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3198.262009][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3198.262009][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3198.262009][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3198.262009][ T1167] netlink_rcv_skb+0x130/0x360 [ 3198.262009][ T1167] netlink_unicast+0x449/0x710 [ 3198.262009][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3198.262009][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3198.262009][ T1167] ___sys_sendmsg+0xee/0x170 [ 3198.262009][ T1167] __sys_sendmsg+0xcd/0x170 [ 3198.262009][ T1167] do_syscall_64+0xc6/0x1e0 [ 3198.262009][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3198.262009][ T1167] [ 3198.264265][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3198.264265][ T1167] netdev_get_by_index+0x5e/0x80 [ 3198.264265][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3198.264265][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3198.264265][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3198.264265][ T1167] ipv6_add_addr+0x411/0x2000 [ 3198.264265][ T1167] inet6_addr_add+0x30e/0xa40 [ 3198.264265][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3198.264265][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3198.264265][ T1167] netlink_rcv_skb+0x130/0x360 [ 3198.264265][ T1167] netlink_unicast+0x449/0x710 [ 3198.264265][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3198.264265][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3198.264265][ T1167] ___sys_sendmsg+0xee/0x170 [ 3198.264265][ T1167] __sys_sendmsg+0xcd/0x170 [ 3198.264265][ T1167] do_syscall_64+0xc6/0x1e0 [ 3198.264265][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3198.264265][ T1167] [ 3198.266514][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3198.266514][ T1167] netdev_get_by_index+0x5e/0x80 [ 3198.266514][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3198.266514][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3198.266514][ T1167] ip6_route_add+0x1c/0x140 [ 3198.266514][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3198.266514][ T1167] addrconf_add_dev+0xe2/0x170 [ 3198.266514][ T1167] inet6_addr_add+0x12f/0xa40 [ 3198.266514][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3198.266514][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3198.266514][ T1167] netlink_rcv_skb+0x130/0x360 [ 3198.266514][ T1167] netlink_unicast+0x449/0x710 [ 3198.266514][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3198.266514][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3198.266514][ T1167] ___sys_sendmsg+0xee/0x170 [ 3198.266514][ T1167] __sys_sendmsg+0xcd/0x170 [ 3198.266514][ T1167] do_syscall_64+0xc6/0x1e0 [ 3198.266514][ T1167] [ 3198.268723][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3198.268723][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3198.268723][ T1167] ipv6_find_idev+0x102/0x170 [ 3198.268723][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3198.268723][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3198.268723][ T1167] netlink_rcv_skb+0x130/0x360 [ 3198.268723][ T1167] netlink_unicast+0x449/0x710 [ 3198.268723][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3198.268723][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3198.268723][ T1167] ___sys_sendmsg+0xee/0x170 [ 3198.268723][ T1167] __sys_sendmsg+0xcd/0x170 [ 3198.268723][ T1167] do_syscall_64+0xc6/0x1e0 [ 3198.268723][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3198.268723][ T1167] [ 3198.270455][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3198.270455][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3198.270455][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3198.270455][ T1167] ipv6_find_idev+0x102/0x170 [ 3198.270455][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3198.270455][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3198.270455][ T1167] netlink_rcv_skb+0x130/0x360 [ 3198.270455][ T1167] netlink_unicast+0x449/0x710 [ 3198.270455][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3198.270455][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3198.270455][ T1167] ___sys_sendmsg+0xee/0x170 [ 3198.270455][ T1167] __sys_sendmsg+0xcd/0x170 [ 3198.270455][ T1167] do_syscall_64+0xc6/0x1e0 [ 3198.270455][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3198.270455][ T1167] [ 3207.185072][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3207.185514][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3207.185514][ T10] netdev_get_by_index+0x5e/0x80 [ 3207.185514][ T10] fib6_nh_init+0x3d8/0x1580 [ 3207.185514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3207.185514][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3207.185514][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3207.185514][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3207.185514][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3207.185514][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3207.185514][ T10] addrconf_dad_begin+0x310/0x670 [ 3207.185514][ T10] addrconf_dad_work+0x10b/0xab0 [ 3207.185514][ T10] process_one_work+0x84d/0x18a0 [ 3207.185514][ T10] worker_thread+0x587/0xd30 [ 3207.185514][ T10] kthread+0x28a/0x350 [ 3207.185514][ T10] ret_from_fork+0x31/0x70 [ 3207.185514][ T10] ret_from_fork_asm+0x1a/0x30 [ 3207.185514][ T10] [ 3207.187470][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3207.187470][ T10] netdev_get_by_index+0x5e/0x80 [ 3207.187470][ T10] fib6_nh_init+0x3d8/0x1580 [ 3207.187470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3207.187470][ T10] ip6_route_add+0x1c/0x140 [ 3207.187470][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3207.187470][ T10] inet6_addr_add+0x4f8/0xa40 [ 3207.187470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3207.187470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3207.187470][ T10] netlink_rcv_skb+0x130/0x360 [ 3207.187470][ T10] netlink_unicast+0x449/0x710 [ 3207.187470][ T10] netlink_sendmsg+0x723/0xbe0 [ 3207.187470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3207.187470][ T10] ___sys_sendmsg+0xee/0x170 [ 3207.187470][ T10] __sys_sendmsg+0xcd/0x170 [ 3207.187470][ T10] do_syscall_64+0xc6/0x1e0 [ 3207.187470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3207.187470][ T10] [ 3207.189500][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3207.189500][ T10] netdev_get_by_index+0x5e/0x80 [ 3207.189500][ T10] fib6_nh_init+0x3d8/0x1580 [ 3207.189500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3207.189500][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3207.189500][ T10] ipv6_add_addr+0x411/0x2000 [ 3207.189500][ T10] inet6_addr_add+0x30e/0xa40 [ 3207.189500][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3207.189500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3207.189500][ T10] netlink_rcv_skb+0x130/0x360 [ 3207.189500][ T10] netlink_unicast+0x449/0x710 [ 3207.189500][ T10] netlink_sendmsg+0x723/0xbe0 [ 3207.189500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3207.189500][ T10] ___sys_sendmsg+0xee/0x170 [ 3207.189500][ T10] __sys_sendmsg+0xcd/0x170 [ 3207.189500][ T10] do_syscall_64+0xc6/0x1e0 [ 3207.189500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3207.189500][ T10] [ 3207.191516][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3207.191516][ T10] netdev_get_by_index+0x5e/0x80 [ 3207.191516][ T10] fib6_nh_init+0x3d8/0x1580 [ 3207.191516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3207.191516][ T10] ip6_route_add+0x1c/0x140 [ 3207.191516][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3207.191516][ T10] addrconf_add_dev+0xe2/0x170 [ 3207.191516][ T10] inet6_addr_add+0x12f/0xa40 [ 3207.191516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3207.191516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3207.191516][ T10] netlink_rcv_skb+0x130/0x360 [ 3207.191516][ T10] netlink_unicast+0x449/0x710 [ 3207.191516][ T10] netlink_sendmsg+0x723/0xbe0 [ 3207.191516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3207.191516][ T10] ___sys_sendmsg+0xee/0x170 [ 3207.191516][ T10] __sys_sendmsg+0xcd/0x170 [ 3207.191516][ T10] do_syscall_64+0xc6/0x1e0 [ 3207.191516][ T10] [ 3207.193521][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3207.193521][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3207.193521][ T10] ipv6_find_idev+0x102/0x170 [ 3207.193521][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3207.193521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3207.193521][ T10] netlink_rcv_skb+0x130/0x360 [ 3207.193521][ T10] netlink_unicast+0x449/0x710 [ 3207.193521][ T10] netlink_sendmsg+0x723/0xbe0 [ 3207.193521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3207.193521][ T10] ___sys_sendmsg+0xee/0x170 [ 3207.193521][ T10] __sys_sendmsg+0xcd/0x170 [ 3207.193521][ T10] do_syscall_64+0xc6/0x1e0 [ 3207.193521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3207.193521][ T10] [ 3207.195075][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3207.195075][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3207.195075][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3207.195075][ T10] ipv6_find_idev+0x102/0x170 [ 3207.195075][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3207.195075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3207.195075][ T10] netlink_rcv_skb+0x130/0x360 [ 3207.195075][ T10] netlink_unicast+0x449/0x710 [ 3207.195075][ T10] netlink_sendmsg+0x723/0xbe0 [ 3207.195075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3207.195075][ T10] ___sys_sendmsg+0xee/0x170 [ 3207.195075][ T10] __sys_sendmsg+0xcd/0x170 [ 3207.195075][ T10] do_syscall_64+0xc6/0x1e0 [ 3207.195075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3207.195075][ T10] [ 3207.196801][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3207.197067][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3207.197067][ T10] netdev_get_by_index+0x5e/0x80 [ 3207.197067][ T10] fib6_nh_init+0x3d8/0x1580 [ 3207.197067][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3207.197067][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3207.197067][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3207.197067][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3207.197067][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3207.197067][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3207.197067][ T10] addrconf_dad_begin+0x310/0x670 [ 3207.197067][ T10] addrconf_dad_work+0x10b/0xab0 [ 3207.197067][ T10] process_one_work+0x84d/0x18a0 [ 3207.197067][ T10] worker_thread+0x587/0xd30 [ 3207.197067][ T10] kthread+0x28a/0x350 [ 3207.197067][ T10] ret_from_fork+0x31/0x70 [ 3207.197067][ T10] ret_from_fork_asm+0x1a/0x30 [ 3207.197067][ T10] [ 3207.199009][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3207.199009][ T10] netdev_get_by_index+0x5e/0x80 [ 3207.199009][ T10] fib6_nh_init+0x3d8/0x1580 [ 3207.199009][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3207.199009][ T10] ip6_route_add+0x1c/0x140 [ 3207.199009][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3207.199009][ T10] inet6_addr_add+0x4f8/0xa40 [ 3207.199009][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3207.199009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3207.199009][ T10] netlink_rcv_skb+0x130/0x360 [ 3207.199009][ T10] netlink_unicast+0x449/0x710 [ 3207.199009][ T10] netlink_sendmsg+0x723/0xbe0 [ 3207.199009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3207.199009][ T10] ___sys_sendmsg+0xee/0x170 [ 3207.199009][ T10] __sys_sendmsg+0xcd/0x170 [ 3207.199009][ T10] do_syscall_64+0xc6/0x1e0 [ 3207.199009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3207.199009][ T10] [ 3207.201034][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3207.201034][ T10] netdev_get_by_index+0x5e/0x80 [ 3207.201034][ T10] fib6_nh_init+0x3d8/0x1580 [ 3207.201034][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3207.201034][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3207.201034][ T10] ipv6_add_addr+0x411/0x2000 [ 3207.201034][ T10] inet6_addr_add+0x30e/0xa40 [ 3207.201034][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3207.201034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3207.201034][ T10] netlink_rcv_skb+0x130/0x360 [ 3207.201034][ T10] netlink_unicast+0x449/0x710 [ 3207.201034][ T10] netlink_sendmsg+0x723/0xbe0 [ 3207.201034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3207.201034][ T10] ___sys_sendmsg+0xee/0x170 [ 3207.201034][ T10] __sys_sendmsg+0xcd/0x170 [ 3207.201034][ T10] do_syscall_64+0xc6/0x1e0 [ 3207.201034][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3207.201034][ T10] [ 3207.203063][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3207.203063][ T10] netdev_get_by_index+0x5e/0x80 [ 3207.203063][ T10] fib6_nh_init+0x3d8/0x1580 [ 3207.203063][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3207.203063][ T10] ip6_route_add+0x1c/0x140 [ 3207.203063][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3207.203063][ T10] addrconf_add_dev+0xe2/0x170 [ 3207.203063][ T10] inet6_addr_add+0x12f/0xa40 [ 3207.203063][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3207.203063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3207.203063][ T10] netlink_rcv_skb+0x130/0x360 [ 3207.203063][ T10] netlink_unicast+0x449/0x710 [ 3207.203063][ T10] netlink_sendmsg+0x723/0xbe0 [ 3207.203063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3207.203063][ T10] ___sys_sendmsg+0xee/0x170 [ 3207.203063][ T10] __sys_sendmsg+0xcd/0x170 [ 3207.203063][ T10] do_syscall_64+0xc6/0x1e0 [ 3207.203063][ T10] [ 3207.205052][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3207.205052][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3207.205052][ T10] ipv6_find_idev+0x102/0x170 [ 3207.205052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3207.205052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3207.205052][ T10] netlink_rcv_skb+0x130/0x360 [ 3207.205052][ T10] netlink_unicast+0x449/0x710 [ 3207.205052][ T10] netlink_sendmsg+0x723/0xbe0 [ 3207.205052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3207.205052][ T10] ___sys_sendmsg+0xee/0x170 [ 3207.205052][ T10] __sys_sendmsg+0xcd/0x170 [ 3207.205052][ T10] do_syscall_64+0xc6/0x1e0 [ 3207.205052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3207.205052][ T10] [ 3207.206606][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3207.206606][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3207.206606][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3207.206606][ T10] ipv6_find_idev+0x102/0x170 [ 3207.206606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3207.206606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3207.206606][ T10] netlink_rcv_skb+0x130/0x360 [ 3207.206606][ T10] netlink_unicast+0x449/0x710 [ 3207.206606][ T10] netlink_sendmsg+0x723/0xbe0 [ 3207.206606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3207.206606][ T10] ___sys_sendmsg+0xee/0x170 [ 3207.206606][ T10] __sys_sendmsg+0xcd/0x170 [ 3207.206606][ T10] do_syscall_64+0xc6/0x1e0 [ 3207.206606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3207.206606][ T10] [ 3207.208324][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3207.208576][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3207.208576][ T10] netdev_get_by_index+0x5e/0x80 [ 3207.208576][ T10] fib6_nh_init+0x3d8/0x1580 [ 3207.208576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3207.208576][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3207.208576][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3207.208576][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3207.208576][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3207.208576][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3207.208576][ T10] addrconf_dad_begin+0x310/0x670 [ 3207.208576][ T10] addrconf_dad_work+0x10b/0xab0 [ 3207.208576][ T10] process_one_work+0x84d/0x18a0 [ 3207.208576][ T10] worker_thread+0x587/0xd30 [ 3207.208576][ T10] kthread+0x28a/0x350 [ 3207.208576][ T10] ret_from_fork+0x31/0x70 [ 3207.208576][ T10] ret_from_fork_asm+0x1a/0x30 [ 3207.208576][ T10] [ 3207.210508][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3207.210508][ T10] netdev_get_by_index+0x5e/0x80 [ 3207.210508][ T10] fib6_nh_init+0x3d8/0x1580 [ 3207.210508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3207.210508][ T10] ip6_route_add+0x1c/0x140 [ 3207.210508][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3207.210508][ T10] inet6_addr_add+0x4f8/0xa40 [ 3207.210508][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3207.210508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3207.210508][ T10] netlink_rcv_skb+0x130/0x360 [ 3207.210508][ T10] netlink_unicast+0x449/0x710 [ 3207.210508][ T10] netlink_sendmsg+0x723/0xbe0 [ 3207.210508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3207.210508][ T10] ___sys_sendmsg+0xee/0x170 [ 3207.210508][ T10] __sys_sendmsg+0xcd/0x170 [ 3207.210508][ T10] do_syscall_64+0xc6/0x1e0 [ 3207.210508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3207.210508][ T10] [ 3207.212684][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3207.212684][ T10] netdev_get_by_index+0x5e/0x80 [ 3207.212684][ T10] fib6_nh_init+0x3d8/0x1580 [ 3207.212684][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3207.212684][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3207.212684][ T10] ipv6_add_addr+0x411/0x2000 [ 3207.212684][ T10] inet6_addr_add+0x30e/0xa40 [ 3207.212684][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3207.212684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3207.212684][ T10] netlink_rcv_skb+0x130/0x360 [ 3207.212684][ T10] netlink_unicast+0x449/0x710 [ 3207.212684][ T10] netlink_sendmsg+0x723/0xbe0 [ 3207.212684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3207.212684][ T10] ___sys_sendmsg+0xee/0x170 [ 3207.212684][ T10] __sys_sendmsg+0xcd/0x170 [ 3207.212684][ T10] do_syscall_64+0xc6/0x1e0 [ 3207.212684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3207.212684][ T10] [ 3207.214788][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3207.214788][ T10] netdev_get_by_index+0x5e/0x80 [ 3207.214788][ T10] fib6_nh_init+0x3d8/0x1580 [ 3207.214788][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3207.214788][ T10] ip6_route_add+0x1c/0x140 [ 3207.214788][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3207.214788][ T10] addrconf_add_dev+0xe2/0x170 [ 3207.214788][ T10] inet6_addr_add+0x12f/0xa40 [ 3207.214788][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3207.214788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3207.214788][ T10] netlink_rcv_skb+0x130/0x360 [ 3207.214788][ T10] netlink_unicast+0x449/0x710 [ 3207.214788][ T10] netlink_sendmsg+0x723/0xbe0 [ 3207.214788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3207.214788][ T10] ___sys_sendmsg+0xee/0x170 [ 3207.214788][ T10] __sys_sendmsg+0xcd/0x170 [ 3207.214788][ T10] do_syscall_64+0xc6/0x1e0 [ 3207.214788][ T10] [ 3207.216907][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3207.216907][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3207.216907][ T10] ipv6_find_idev+0x102/0x170 [ 3207.216907][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3207.216907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3207.216907][ T10] netlink_rcv_skb+0x130/0x360 [ 3207.216907][ T10] netlink_unicast+0x449/0x710 [ 3207.216907][ T10] netlink_sendmsg+0x723/0xbe0 [ 3207.216907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3207.216907][ T10] ___sys_sendmsg+0xee/0x170 [ 3207.216907][ T10] __sys_sendmsg+0xcd/0x170 [ 3207.216907][ T10] do_syscall_64+0xc6/0x1e0 [ 3207.216907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3207.216907][ T10] [ 3207.218536][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3207.218536][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3207.218536][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3207.218536][ T10] ipv6_find_idev+0x102/0x170 [ 3207.218536][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3207.218536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3207.218536][ T10] netlink_rcv_skb+0x130/0x360 [ 3207.218536][ T10] netlink_unicast+0x449/0x710 [ 3207.218536][ T10] netlink_sendmsg+0x723/0xbe0 [ 3207.218536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3207.218536][ T10] ___sys_sendmsg+0xee/0x170 [ 3207.218536][ T10] __sys_sendmsg+0xcd/0x170 [ 3207.218536][ T10] do_syscall_64+0xc6/0x1e0 [ 3207.218536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3207.218536][ T10] [ 3207.220334][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3207.220581][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3207.220581][ T10] netdev_get_by_index+0x5e/0x80 [ 3207.220581][ T10] fib6_nh_init+0x3d8/0x1580 [ 3207.220581][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3207.220581][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3207.220581][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3207.220581][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3207.220581][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3207.220581][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3207.220581][ T10] addrconf_dad_begin+0x310/0x670 [ 3207.220581][ T10] addrconf_dad_work+0x10b/0xab0 [ 3207.220581][ T10] process_one_work+0x84d/0x18a0 [ 3207.220581][ T10] worker_thread+0x587/0xd30 [ 3207.220581][ T10] kthread+0x28a/0x350 [ 3207.220581][ T10] ret_from_fork+0x31/0x70 [ 3207.220581][ T10] ret_from_fork_asm+0x1a/0x30 [ 3207.220581][ T10] [ 3207.222596][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3207.222596][ T10] netdev_get_by_index+0x5e/0x80 [ 3207.222596][ T10] fib6_nh_init+0x3d8/0x1580 [ 3207.222596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3207.222596][ T10] ip6_route_add+0x1c/0x140 [ 3207.222596][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3207.222596][ T10] inet6_addr_add+0x4f8/0xa40 [ 3207.222596][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3207.222596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3207.222596][ T10] netlink_rcv_skb+0x130/0x360 [ 3207.222596][ T10] netlink_unicast+0x449/0x710 [ 3207.222596][ T10] netlink_sendmsg+0x723/0xbe0 [ 3207.222596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3207.222596][ T10] ___sys_sendmsg+0xee/0x170 [ 3207.222596][ T10] __sys_sendmsg+0xcd/0x170 [ 3207.222596][ T10] do_syscall_64+0xc6/0x1e0 [ 3207.222596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3207.222596][ T10] [ 3207.224705][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3207.224705][ T10] netdev_get_by_index+0x5e/0x80 [ 3207.224705][ T10] fib6_nh_init+0x3d8/0x1580 [ 3207.224705][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3207.224705][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3207.224705][ T10] ipv6_add_addr+0x411/0x2000 [ 3207.224705][ T10] inet6_addr_add+0x30e/0xa40 [ 3207.224705][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3207.224705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3207.224705][ T10] netlink_rcv_skb+0x130/0x360 [ 3207.224705][ T10] netlink_unicast+0x449/0x710 [ 3207.224705][ T10] netlink_sendmsg+0x723/0xbe0 [ 3207.224705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3207.224705][ T10] ___sys_sendmsg+0xee/0x170 [ 3207.224705][ T10] __sys_sendmsg+0xcd/0x170 [ 3207.224705][ T10] do_syscall_64+0xc6/0x1e0 [ 3207.224705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3207.224705][ T10] [ 3207.226881][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3207.226881][ T10] netdev_get_by_index+0x5e/0x80 [ 3207.226881][ T10] fib6_nh_init+0x3d8/0x1580 [ 3207.226881][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3207.226881][ T10] ip6_route_add+0x1c/0x140 [ 3207.226881][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3207.226881][ T10] addrconf_add_dev+0xe2/0x170 [ 3207.226881][ T10] inet6_addr_add+0x12f/0xa40 [ 3207.226881][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3207.226881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3207.226881][ T10] netlink_rcv_skb+0x130/0x360 [ 3207.226881][ T10] netlink_unicast+0x449/0x710 [ 3207.226881][ T10] netlink_sendmsg+0x723/0xbe0 [ 3207.226881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3207.226881][ T10] ___sys_sendmsg+0xee/0x170 [ 3207.226881][ T10] __sys_sendmsg+0xcd/0x170 [ 3207.226881][ T10] do_syscall_64+0xc6/0x1e0 [ 3207.226881][ T10] [ 3207.228944][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3207.228944][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3207.228944][ T10] ipv6_find_idev+0x102/0x170 [ 3207.228944][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3207.228944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3207.228944][ T10] netlink_rcv_skb+0x130/0x360 [ 3207.228944][ T10] netlink_unicast+0x449/0x710 [ 3207.228944][ T10] netlink_sendmsg+0x723/0xbe0 [ 3207.228944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3207.228944][ T10] ___sys_sendmsg+0xee/0x170 [ 3207.228944][ T10] __sys_sendmsg+0xcd/0x170 [ 3207.228944][ T10] do_syscall_64+0xc6/0x1e0 [ 3207.228944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3207.228944][ T10] [ 3207.230569][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3207.230569][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3207.230569][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3207.230569][ T10] ipv6_find_idev+0x102/0x170 [ 3207.230569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3207.230569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3207.230569][ T10] netlink_rcv_skb+0x130/0x360 [ 3207.230569][ T10] netlink_unicast+0x449/0x710 [ 3207.230569][ T10] netlink_sendmsg+0x723/0xbe0 [ 3207.230569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3207.230569][ T10] ___sys_sendmsg+0xee/0x170 [ 3207.230569][ T10] __sys_sendmsg+0xcd/0x170 [ 3207.230569][ T10] do_syscall_64+0xc6/0x1e0 [ 3207.230569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3207.230569][ T10] [ 3208.513068][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3208.513549][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3208.513549][ T1167] dst_init+0x84/0x4a0 [ 3208.513549][ T1167] dst_alloc+0x97/0x150 [ 3208.513549][ T1167] ip6_dst_alloc+0x23/0x90 [ 3208.513549][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3208.513549][ T1167] ip6_pol_route+0x56f/0x840 [ 3208.513549][ T1167] fib6_rule_lookup+0x334/0x630 [ 3208.513549][ T1167] ip6_route_output_flags+0x259/0x480 [ 3208.513549][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3208.513549][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3208.513549][ T1167] netlink_rcv_skb+0x130/0x360 [ 3208.513549][ T1167] netlink_unicast+0x449/0x710 [ 3208.513549][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3208.513549][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3208.513549][ T1167] ___sys_sendmsg+0xee/0x170 [ 3208.513549][ T1167] __sys_sendmsg+0xcd/0x170 [ 3208.513549][ T1167] do_syscall_64+0xc6/0x1e0 [ 3208.513549][ T1167] [ 3208.515736][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3208.515736][ T1167] netdev_get_by_index+0x5e/0x80 [ 3208.515736][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3208.515736][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3208.515736][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3208.515736][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3208.515736][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3208.515736][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3208.515736][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3208.515736][ T1167] addrconf_dad_begin+0x310/0x670 [ 3208.515736][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3208.515736][ T1167] process_one_work+0x84d/0x18a0 [ 3208.515736][ T1167] worker_thread+0x587/0xd30 [ 3208.515736][ T1167] kthread+0x28a/0x350 [ 3208.515736][ T1167] ret_from_fork+0x31/0x70 [ 3208.515736][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3208.515736][ T1167] [ 3208.517920][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3208.517920][ T1167] netdev_get_by_index+0x5e/0x80 [ 3208.517920][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3208.517920][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3208.517920][ T1167] ip6_route_add+0x1c/0x140 [ 3208.517920][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3208.517920][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3208.517920][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3208.517920][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3208.517920][ T1167] netlink_rcv_skb+0x130/0x360 [ 3208.517920][ T1167] netlink_unicast+0x449/0x710 [ 3208.517920][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3208.517920][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3208.517920][ T1167] ___sys_sendmsg+0xee/0x170 [ 3208.517920][ T1167] __sys_sendmsg+0xcd/0x170 [ 3208.517920][ T1167] do_syscall_64+0xc6/0x1e0 [ 3208.517920][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3208.517920][ T1167] [ 3208.520153][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3208.520153][ T1167] netdev_get_by_index+0x5e/0x80 [ 3208.520153][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3208.520153][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3208.520153][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3208.520153][ T1167] ipv6_add_addr+0x411/0x2000 [ 3208.520153][ T1167] inet6_addr_add+0x30e/0xa40 [ 3208.520153][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3208.520153][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3208.520153][ T1167] netlink_rcv_skb+0x130/0x360 [ 3208.520153][ T1167] netlink_unicast+0x449/0x710 [ 3208.520153][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3208.520153][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3208.520153][ T1167] ___sys_sendmsg+0xee/0x170 [ 3208.520153][ T1167] __sys_sendmsg+0xcd/0x170 [ 3208.520153][ T1167] do_syscall_64+0xc6/0x1e0 [ 3208.520153][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3208.520153][ T1167] [ 3208.522412][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3208.522412][ T1167] netdev_get_by_index+0x5e/0x80 [ 3208.522412][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3208.522412][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3208.522412][ T1167] ip6_route_add+0x1c/0x140 [ 3208.522412][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3208.522412][ T1167] addrconf_add_dev+0xe2/0x170 [ 3208.522412][ T1167] inet6_addr_add+0x12f/0xa40 [ 3208.522412][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3208.522412][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3208.522412][ T1167] netlink_rcv_skb+0x130/0x360 [ 3208.522412][ T1167] netlink_unicast+0x449/0x710 [ 3208.522412][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3208.522412][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3208.522412][ T1167] ___sys_sendmsg+0xee/0x170 [ 3208.522412][ T1167] __sys_sendmsg+0xcd/0x170 [ 3208.522412][ T1167] do_syscall_64+0xc6/0x1e0 [ 3208.522412][ T1167] [ 3208.524613][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3208.524613][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3208.524613][ T1167] ipv6_find_idev+0x102/0x170 [ 3208.524613][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3208.524613][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3208.524613][ T1167] netlink_rcv_skb+0x130/0x360 [ 3208.524613][ T1167] netlink_unicast+0x449/0x710 [ 3208.524613][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3208.524613][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3208.524613][ T1167] ___sys_sendmsg+0xee/0x170 [ 3208.524613][ T1167] __sys_sendmsg+0xcd/0x170 [ 3208.524613][ T1167] do_syscall_64+0xc6/0x1e0 [ 3208.524613][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3208.524613][ T1167] [ 3208.526347][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3208.526347][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3208.526347][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3208.526347][ T1167] ipv6_find_idev+0x102/0x170 [ 3208.526347][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3208.526347][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3208.526347][ T1167] netlink_rcv_skb+0x130/0x360 [ 3208.526347][ T1167] netlink_unicast+0x449/0x710 [ 3208.526347][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3208.526347][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3208.526347][ T1167] ___sys_sendmsg+0xee/0x170 [ 3208.526347][ T1167] __sys_sendmsg+0xcd/0x170 [ 3208.526347][ T1167] do_syscall_64+0xc6/0x1e0 [ 3208.526347][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3208.526347][ T1167] [ 3217.473041][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3217.473482][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3217.473482][ T10] netdev_get_by_index+0x5e/0x80 [ 3217.473482][ T10] fib6_nh_init+0x3d8/0x1580 [ 3217.473482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3217.473482][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3217.473482][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3217.473482][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3217.473482][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3217.473482][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3217.473482][ T10] addrconf_dad_begin+0x310/0x670 [ 3217.473482][ T10] addrconf_dad_work+0x10b/0xab0 [ 3217.473482][ T10] process_one_work+0x84d/0x18a0 [ 3217.473482][ T10] worker_thread+0x587/0xd30 [ 3217.473482][ T10] kthread+0x28a/0x350 [ 3217.473482][ T10] ret_from_fork+0x31/0x70 [ 3217.473482][ T10] ret_from_fork_asm+0x1a/0x30 [ 3217.473482][ T10] [ 3217.475436][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3217.475436][ T10] netdev_get_by_index+0x5e/0x80 [ 3217.475436][ T10] fib6_nh_init+0x3d8/0x1580 [ 3217.475436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3217.475436][ T10] ip6_route_add+0x1c/0x140 [ 3217.475436][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3217.475436][ T10] inet6_addr_add+0x4f8/0xa40 [ 3217.475436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3217.475436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3217.475436][ T10] netlink_rcv_skb+0x130/0x360 [ 3217.475436][ T10] netlink_unicast+0x449/0x710 [ 3217.475436][ T10] netlink_sendmsg+0x723/0xbe0 [ 3217.475436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3217.475436][ T10] ___sys_sendmsg+0xee/0x170 [ 3217.475436][ T10] __sys_sendmsg+0xcd/0x170 [ 3217.475436][ T10] do_syscall_64+0xc6/0x1e0 [ 3217.475436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3217.475436][ T10] [ 3217.477459][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3217.477459][ T10] netdev_get_by_index+0x5e/0x80 [ 3217.477459][ T10] fib6_nh_init+0x3d8/0x1580 [ 3217.477459][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3217.477459][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3217.477459][ T10] ipv6_add_addr+0x411/0x2000 [ 3217.477459][ T10] inet6_addr_add+0x30e/0xa40 [ 3217.477459][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3217.477459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3217.477459][ T10] netlink_rcv_skb+0x130/0x360 [ 3217.477459][ T10] netlink_unicast+0x449/0x710 [ 3217.477459][ T10] netlink_sendmsg+0x723/0xbe0 [ 3217.477459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3217.477459][ T10] ___sys_sendmsg+0xee/0x170 [ 3217.477459][ T10] __sys_sendmsg+0xcd/0x170 [ 3217.477459][ T10] do_syscall_64+0xc6/0x1e0 [ 3217.477459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3217.477459][ T10] [ 3217.479476][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3217.479476][ T10] netdev_get_by_index+0x5e/0x80 [ 3217.479476][ T10] fib6_nh_init+0x3d8/0x1580 [ 3217.479476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3217.479476][ T10] ip6_route_add+0x1c/0x140 [ 3217.479476][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3217.479476][ T10] addrconf_add_dev+0xe2/0x170 [ 3217.479476][ T10] inet6_addr_add+0x12f/0xa40 [ 3217.479476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3217.479476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3217.479476][ T10] netlink_rcv_skb+0x130/0x360 [ 3217.479476][ T10] netlink_unicast+0x449/0x710 [ 3217.479476][ T10] netlink_sendmsg+0x723/0xbe0 [ 3217.479476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3217.479476][ T10] ___sys_sendmsg+0xee/0x170 [ 3217.479476][ T10] __sys_sendmsg+0xcd/0x170 [ 3217.479476][ T10] do_syscall_64+0xc6/0x1e0 [ 3217.479476][ T10] [ 3217.481461][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3217.481461][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3217.481461][ T10] ipv6_find_idev+0x102/0x170 [ 3217.481461][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3217.481461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3217.481461][ T10] netlink_rcv_skb+0x130/0x360 [ 3217.481461][ T10] netlink_unicast+0x449/0x710 [ 3217.481461][ T10] netlink_sendmsg+0x723/0xbe0 [ 3217.481461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3217.481461][ T10] ___sys_sendmsg+0xee/0x170 [ 3217.481461][ T10] __sys_sendmsg+0xcd/0x170 [ 3217.481461][ T10] do_syscall_64+0xc6/0x1e0 [ 3217.481461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3217.481461][ T10] [ 3217.483036][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3217.483036][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3217.483036][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3217.483036][ T10] ipv6_find_idev+0x102/0x170 [ 3217.483036][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3217.483036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3217.483036][ T10] netlink_rcv_skb+0x130/0x360 [ 3217.483036][ T10] netlink_unicast+0x449/0x710 [ 3217.483036][ T10] netlink_sendmsg+0x723/0xbe0 [ 3217.483036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3217.483036][ T10] ___sys_sendmsg+0xee/0x170 [ 3217.483036][ T10] __sys_sendmsg+0xcd/0x170 [ 3217.483036][ T10] do_syscall_64+0xc6/0x1e0 [ 3217.483036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3217.483036][ T10] [ 3217.484761][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3217.485015][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3217.485015][ T10] netdev_get_by_index+0x5e/0x80 [ 3217.485015][ T10] fib6_nh_init+0x3d8/0x1580 [ 3217.485015][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3217.485015][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3217.485015][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3217.485015][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3217.485015][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3217.485015][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3217.485015][ T10] addrconf_dad_begin+0x310/0x670 [ 3217.485015][ T10] addrconf_dad_work+0x10b/0xab0 [ 3217.485015][ T10] process_one_work+0x84d/0x18a0 [ 3217.485015][ T10] worker_thread+0x587/0xd30 [ 3217.485015][ T10] kthread+0x28a/0x350 [ 3217.485015][ T10] ret_from_fork+0x31/0x70 [ 3217.485015][ T10] ret_from_fork_asm+0x1a/0x30 [ 3217.485015][ T10] [ 3217.486950][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3217.486950][ T10] netdev_get_by_index+0x5e/0x80 [ 3217.486950][ T10] fib6_nh_init+0x3d8/0x1580 [ 3217.486950][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3217.486950][ T10] ip6_route_add+0x1c/0x140 [ 3217.486950][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3217.486950][ T10] inet6_addr_add+0x4f8/0xa40 [ 3217.486950][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3217.486950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3217.486950][ T10] netlink_rcv_skb+0x130/0x360 [ 3217.486950][ T10] netlink_unicast+0x449/0x710 [ 3217.486950][ T10] netlink_sendmsg+0x723/0xbe0 [ 3217.486950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3217.486950][ T10] ___sys_sendmsg+0xee/0x170 [ 3217.486950][ T10] __sys_sendmsg+0xcd/0x170 [ 3217.486950][ T10] do_syscall_64+0xc6/0x1e0 [ 3217.486950][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3217.486950][ T10] [ 3217.488968][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3217.488968][ T10] netdev_get_by_index+0x5e/0x80 [ 3217.488968][ T10] fib6_nh_init+0x3d8/0x1580 [ 3217.488968][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3217.488968][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3217.488968][ T10] ipv6_add_addr+0x411/0x2000 [ 3217.488968][ T10] inet6_addr_add+0x30e/0xa40 [ 3217.488968][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3217.488968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3217.488968][ T10] netlink_rcv_skb+0x130/0x360 [ 3217.488968][ T10] netlink_unicast+0x449/0x710 [ 3217.488968][ T10] netlink_sendmsg+0x723/0xbe0 [ 3217.488968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3217.488968][ T10] ___sys_sendmsg+0xee/0x170 [ 3217.488968][ T10] __sys_sendmsg+0xcd/0x170 [ 3217.488968][ T10] do_syscall_64+0xc6/0x1e0 [ 3217.488968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3217.488968][ T10] [ 3217.490977][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3217.490977][ T10] netdev_get_by_index+0x5e/0x80 [ 3217.490977][ T10] fib6_nh_init+0x3d8/0x1580 [ 3217.490977][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3217.490977][ T10] ip6_route_add+0x1c/0x140 [ 3217.490977][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3217.490977][ T10] addrconf_add_dev+0xe2/0x170 [ 3217.490977][ T10] inet6_addr_add+0x12f/0xa40 [ 3217.490977][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3217.490977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3217.490977][ T10] netlink_rcv_skb+0x130/0x360 [ 3217.490977][ T10] netlink_unicast+0x449/0x710 [ 3217.490977][ T10] netlink_sendmsg+0x723/0xbe0 [ 3217.490977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3217.490977][ T10] ___sys_sendmsg+0xee/0x170 [ 3217.490977][ T10] __sys_sendmsg+0xcd/0x170 [ 3217.490977][ T10] do_syscall_64+0xc6/0x1e0 [ 3217.490977][ T10] [ 3217.492977][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3217.492977][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3217.492977][ T10] ipv6_find_idev+0x102/0x170 [ 3217.492977][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3217.492977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3217.492977][ T10] netlink_rcv_skb+0x130/0x360 [ 3217.492977][ T10] netlink_unicast+0x449/0x710 [ 3217.492977][ T10] netlink_sendmsg+0x723/0xbe0 [ 3217.492977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3217.492977][ T10] ___sys_sendmsg+0xee/0x170 [ 3217.492977][ T10] __sys_sendmsg+0xcd/0x170 [ 3217.492977][ T10] do_syscall_64+0xc6/0x1e0 [ 3217.492977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3217.492977][ T10] [ 3217.494541][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3217.494541][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3217.494541][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3217.494541][ T10] ipv6_find_idev+0x102/0x170 [ 3217.494541][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3217.494541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3217.494541][ T10] netlink_rcv_skb+0x130/0x360 [ 3217.494541][ T10] netlink_unicast+0x449/0x710 [ 3217.494541][ T10] netlink_sendmsg+0x723/0xbe0 [ 3217.494541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3217.494541][ T10] ___sys_sendmsg+0xee/0x170 [ 3217.494541][ T10] __sys_sendmsg+0xcd/0x170 [ 3217.494541][ T10] do_syscall_64+0xc6/0x1e0 [ 3217.494541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3217.494541][ T10] [ 3217.496252][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3217.496511][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3217.496511][ T10] netdev_get_by_index+0x5e/0x80 [ 3217.496511][ T10] fib6_nh_init+0x3d8/0x1580 [ 3217.496511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3217.496511][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3217.496511][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3217.496511][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3217.496511][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3217.496511][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3217.496511][ T10] addrconf_dad_begin+0x310/0x670 [ 3217.496511][ T10] addrconf_dad_work+0x10b/0xab0 [ 3217.496511][ T10] process_one_work+0x84d/0x18a0 [ 3217.496511][ T10] worker_thread+0x587/0xd30 [ 3217.496511][ T10] kthread+0x28a/0x350 [ 3217.496511][ T10] ret_from_fork+0x31/0x70 [ 3217.496511][ T10] ret_from_fork_asm+0x1a/0x30 [ 3217.496511][ T10] [ 3217.498442][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3217.498442][ T10] netdev_get_by_index+0x5e/0x80 [ 3217.498442][ T10] fib6_nh_init+0x3d8/0x1580 [ 3217.498442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3217.498442][ T10] ip6_route_add+0x1c/0x140 [ 3217.498442][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3217.498442][ T10] inet6_addr_add+0x4f8/0xa40 [ 3217.498442][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3217.498442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3217.498442][ T10] netlink_rcv_skb+0x130/0x360 [ 3217.498442][ T10] netlink_unicast+0x449/0x710 [ 3217.498442][ T10] netlink_sendmsg+0x723/0xbe0 [ 3217.498442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3217.498442][ T10] ___sys_sendmsg+0xee/0x170 [ 3217.498442][ T10] __sys_sendmsg+0xcd/0x170 [ 3217.498442][ T10] do_syscall_64+0xc6/0x1e0 [ 3217.498442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3217.498442][ T10] [ 3217.500592][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3217.500592][ T10] netdev_get_by_index+0x5e/0x80 [ 3217.500592][ T10] fib6_nh_init+0x3d8/0x1580 [ 3217.500592][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3217.500592][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3217.500592][ T10] ipv6_add_addr+0x411/0x2000 [ 3217.500592][ T10] inet6_addr_add+0x30e/0xa40 [ 3217.500592][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3217.500592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3217.500592][ T10] netlink_rcv_skb+0x130/0x360 [ 3217.500592][ T10] netlink_unicast+0x449/0x710 [ 3217.500592][ T10] netlink_sendmsg+0x723/0xbe0 [ 3217.500592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3217.500592][ T10] ___sys_sendmsg+0xee/0x170 [ 3217.500592][ T10] __sys_sendmsg+0xcd/0x170 [ 3217.500592][ T10] do_syscall_64+0xc6/0x1e0 [ 3217.500592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3217.500592][ T10] [ 3217.502741][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3217.502741][ T10] netdev_get_by_index+0x5e/0x80 [ 3217.502741][ T10] fib6_nh_init+0x3d8/0x1580 [ 3217.502741][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3217.502741][ T10] ip6_route_add+0x1c/0x140 [ 3217.502741][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3217.502741][ T10] addrconf_add_dev+0xe2/0x170 [ 3217.502741][ T10] inet6_addr_add+0x12f/0xa40 [ 3217.502741][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3217.502741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3217.502741][ T10] netlink_rcv_skb+0x130/0x360 [ 3217.502741][ T10] netlink_unicast+0x449/0x710 [ 3217.502741][ T10] netlink_sendmsg+0x723/0xbe0 [ 3217.502741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3217.502741][ T10] ___sys_sendmsg+0xee/0x170 [ 3217.502741][ T10] __sys_sendmsg+0xcd/0x170 [ 3217.502741][ T10] do_syscall_64+0xc6/0x1e0 [ 3217.502741][ T10] [ 3217.504853][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3217.504853][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3217.504853][ T10] ipv6_find_idev+0x102/0x170 [ 3217.504853][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3217.504853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3217.504853][ T10] netlink_rcv_skb+0x130/0x360 [ 3217.504853][ T10] netlink_unicast+0x449/0x710 [ 3217.504853][ T10] netlink_sendmsg+0x723/0xbe0 [ 3217.504853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3217.504853][ T10] ___sys_sendmsg+0xee/0x170 [ 3217.504853][ T10] __sys_sendmsg+0xcd/0x170 [ 3217.504853][ T10] do_syscall_64+0xc6/0x1e0 [ 3217.504853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3217.504853][ T10] [ 3217.506536][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3217.506536][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3217.506536][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3217.506536][ T10] ipv6_find_idev+0x102/0x170 [ 3217.506536][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3217.506536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3217.506536][ T10] netlink_rcv_skb+0x130/0x360 [ 3217.506536][ T10] netlink_unicast+0x449/0x710 [ 3217.506536][ T10] netlink_sendmsg+0x723/0xbe0 [ 3217.506536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3217.506536][ T10] ___sys_sendmsg+0xee/0x170 [ 3217.506536][ T10] __sys_sendmsg+0xcd/0x170 [ 3217.506536][ T10] do_syscall_64+0xc6/0x1e0 [ 3217.506536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3217.506536][ T10] [ 3217.508296][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3217.508542][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3217.508542][ T10] netdev_get_by_index+0x5e/0x80 [ 3217.508542][ T10] fib6_nh_init+0x3d8/0x1580 [ 3217.508542][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3217.508542][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3217.508542][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3217.508542][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3217.508542][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3217.508542][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3217.508542][ T10] addrconf_dad_begin+0x310/0x670 [ 3217.508542][ T10] addrconf_dad_work+0x10b/0xab0 [ 3217.508542][ T10] process_one_work+0x84d/0x18a0 [ 3217.508542][ T10] worker_thread+0x587/0xd30 [ 3217.508542][ T10] kthread+0x28a/0x350 [ 3217.508542][ T10] ret_from_fork+0x31/0x70 [ 3217.508542][ T10] ret_from_fork_asm+0x1a/0x30 [ 3217.508542][ T10] [ 3217.510606][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3217.510606][ T10] netdev_get_by_index+0x5e/0x80 [ 3217.510606][ T10] fib6_nh_init+0x3d8/0x1580 [ 3217.510606][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3217.510606][ T10] ip6_route_add+0x1c/0x140 [ 3217.510606][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3217.510606][ T10] inet6_addr_add+0x4f8/0xa40 [ 3217.510606][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3217.510606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3217.510606][ T10] netlink_rcv_skb+0x130/0x360 [ 3217.510606][ T10] netlink_unicast+0x449/0x710 [ 3217.510606][ T10] netlink_sendmsg+0x723/0xbe0 [ 3217.510606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3217.510606][ T10] ___sys_sendmsg+0xee/0x170 [ 3217.510606][ T10] __sys_sendmsg+0xcd/0x170 [ 3217.510606][ T10] do_syscall_64+0xc6/0x1e0 [ 3217.510606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3217.510606][ T10] [ 3217.512752][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3217.512752][ T10] netdev_get_by_index+0x5e/0x80 [ 3217.512752][ T10] fib6_nh_init+0x3d8/0x1580 [ 3217.512752][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3217.512752][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3217.512752][ T10] ipv6_add_addr+0x411/0x2000 [ 3217.512752][ T10] inet6_addr_add+0x30e/0xa40 [ 3217.512752][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3217.512752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3217.512752][ T10] netlink_rcv_skb+0x130/0x360 [ 3217.512752][ T10] netlink_unicast+0x449/0x710 [ 3217.512752][ T10] netlink_sendmsg+0x723/0xbe0 [ 3217.512752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3217.512752][ T10] ___sys_sendmsg+0xee/0x170 [ 3217.512752][ T10] __sys_sendmsg+0xcd/0x170 [ 3217.512752][ T10] do_syscall_64+0xc6/0x1e0 [ 3217.512752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3217.512752][ T10] [ 3217.514905][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3217.514905][ T10] netdev_get_by_index+0x5e/0x80 [ 3217.514905][ T10] fib6_nh_init+0x3d8/0x1580 [ 3217.514905][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3217.514905][ T10] ip6_route_add+0x1c/0x140 [ 3217.514905][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3217.514905][ T10] addrconf_add_dev+0xe2/0x170 [ 3217.514905][ T10] inet6_addr_add+0x12f/0xa40 [ 3217.514905][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3217.514905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3217.514905][ T10] netlink_rcv_skb+0x130/0x360 [ 3217.514905][ T10] netlink_unicast+0x449/0x710 [ 3217.514905][ T10] netlink_sendmsg+0x723/0xbe0 [ 3217.514905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3217.514905][ T10] ___sys_sendmsg+0xee/0x170 [ 3217.514905][ T10] __sys_sendmsg+0xcd/0x170 [ 3217.514905][ T10] do_syscall_64+0xc6/0x1e0 [ 3217.514905][ T10] [ 3217.517017][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3217.517017][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3217.517017][ T10] ipv6_find_idev+0x102/0x170 [ 3217.517017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3217.517017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3217.517017][ T10] netlink_rcv_skb+0x130/0x360 [ 3217.517017][ T10] netlink_unicast+0x449/0x710 [ 3217.517017][ T10] netlink_sendmsg+0x723/0xbe0 [ 3217.517017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3217.517017][ T10] ___sys_sendmsg+0xee/0x170 [ 3217.517017][ T10] __sys_sendmsg+0xcd/0x170 [ 3217.517017][ T10] do_syscall_64+0xc6/0x1e0 [ 3217.517017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3217.517017][ T10] [ 3217.518647][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3217.518647][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3217.518647][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3217.518647][ T10] ipv6_find_idev+0x102/0x170 [ 3217.518647][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3217.518647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3217.518647][ T10] netlink_rcv_skb+0x130/0x360 [ 3217.518647][ T10] netlink_unicast+0x449/0x710 [ 3217.518647][ T10] netlink_sendmsg+0x723/0xbe0 [ 3217.518647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3217.518647][ T10] ___sys_sendmsg+0xee/0x170 [ 3217.518647][ T10] __sys_sendmsg+0xcd/0x170 [ 3217.518647][ T10] do_syscall_64+0xc6/0x1e0 [ 3217.518647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3217.518647][ T10] [ 3218.769150][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3218.769631][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3218.769631][ T1167] dst_init+0x84/0x4a0 [ 3218.769631][ T1167] dst_alloc+0x97/0x150 [ 3218.769631][ T1167] ip6_dst_alloc+0x23/0x90 [ 3218.769631][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3218.769631][ T1167] ip6_pol_route+0x56f/0x840 [ 3218.769631][ T1167] fib6_rule_lookup+0x334/0x630 [ 3218.769631][ T1167] ip6_route_output_flags+0x259/0x480 [ 3218.769631][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3218.769631][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3218.769631][ T1167] netlink_rcv_skb+0x130/0x360 [ 3218.769631][ T1167] netlink_unicast+0x449/0x710 [ 3218.769631][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3218.769631][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3218.769631][ T1167] ___sys_sendmsg+0xee/0x170 [ 3218.769631][ T1167] __sys_sendmsg+0xcd/0x170 [ 3218.769631][ T1167] do_syscall_64+0xc6/0x1e0 [ 3218.769631][ T1167] [ 3218.771974][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3218.771974][ T1167] netdev_get_by_index+0x5e/0x80 [ 3218.771974][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3218.771974][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3218.771974][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3218.771974][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3218.771974][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3218.771974][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3218.771974][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3218.771974][ T1167] addrconf_dad_begin+0x310/0x670 [ 3218.771974][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3218.771974][ T1167] process_one_work+0x84d/0x18a0 [ 3218.771974][ T1167] worker_thread+0x587/0xd30 [ 3218.771974][ T1167] kthread+0x28a/0x350 [ 3218.771974][ T1167] ret_from_fork+0x31/0x70 [ 3218.771974][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3218.771974][ T1167] [ 3218.774158][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3218.774158][ T1167] netdev_get_by_index+0x5e/0x80 [ 3218.774158][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3218.774158][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3218.774158][ T1167] ip6_route_add+0x1c/0x140 [ 3218.774158][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3218.774158][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3218.774158][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3218.774158][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3218.774158][ T1167] netlink_rcv_skb+0x130/0x360 [ 3218.774158][ T1167] netlink_unicast+0x449/0x710 [ 3218.774158][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3218.774158][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3218.774158][ T1167] ___sys_sendmsg+0xee/0x170 [ 3218.774158][ T1167] __sys_sendmsg+0xcd/0x170 [ 3218.774158][ T1167] do_syscall_64+0xc6/0x1e0 [ 3218.774158][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3218.774158][ T1167] [ 3218.776412][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3218.776412][ T1167] netdev_get_by_index+0x5e/0x80 [ 3218.776412][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3218.776412][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3218.776412][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3218.776412][ T1167] ipv6_add_addr+0x411/0x2000 [ 3218.776412][ T1167] inet6_addr_add+0x30e/0xa40 [ 3218.776412][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3218.776412][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3218.776412][ T1167] netlink_rcv_skb+0x130/0x360 [ 3218.776412][ T1167] netlink_unicast+0x449/0x710 [ 3218.776412][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3218.776412][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3218.776412][ T1167] ___sys_sendmsg+0xee/0x170 [ 3218.776412][ T1167] __sys_sendmsg+0xcd/0x170 [ 3218.776412][ T1167] do_syscall_64+0xc6/0x1e0 [ 3218.776412][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3218.776412][ T1167] [ 3218.778648][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3218.778648][ T1167] netdev_get_by_index+0x5e/0x80 [ 3218.778648][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3218.778648][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3218.778648][ T1167] ip6_route_add+0x1c/0x140 [ 3218.778648][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3218.778648][ T1167] addrconf_add_dev+0xe2/0x170 [ 3218.778648][ T1167] inet6_addr_add+0x12f/0xa40 [ 3218.778648][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3218.778648][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3218.778648][ T1167] netlink_rcv_skb+0x130/0x360 [ 3218.778648][ T1167] netlink_unicast+0x449/0x710 [ 3218.778648][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3218.778648][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3218.778648][ T1167] ___sys_sendmsg+0xee/0x170 [ 3218.778648][ T1167] __sys_sendmsg+0xcd/0x170 [ 3218.778648][ T1167] do_syscall_64+0xc6/0x1e0 [ 3218.778648][ T1167] [ 3218.780865][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3218.780865][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3218.780865][ T1167] ipv6_find_idev+0x102/0x170 [ 3218.780865][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3218.780865][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3218.780865][ T1167] netlink_rcv_skb+0x130/0x360 [ 3218.780865][ T1167] netlink_unicast+0x449/0x710 [ 3218.780865][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3218.780865][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3218.780865][ T1167] ___sys_sendmsg+0xee/0x170 [ 3218.780865][ T1167] __sys_sendmsg+0xcd/0x170 [ 3218.780865][ T1167] do_syscall_64+0xc6/0x1e0 [ 3218.780865][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3218.780865][ T1167] [ 3218.782598][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3218.782598][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3218.782598][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3218.782598][ T1167] ipv6_find_idev+0x102/0x170 [ 3218.782598][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3218.782598][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3218.782598][ T1167] netlink_rcv_skb+0x130/0x360 [ 3218.782598][ T1167] netlink_unicast+0x449/0x710 [ 3218.782598][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3218.782598][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3218.782598][ T1167] ___sys_sendmsg+0xee/0x170 [ 3218.782598][ T1167] __sys_sendmsg+0xcd/0x170 [ 3218.782598][ T1167] do_syscall_64+0xc6/0x1e0 [ 3218.782598][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3218.782598][ T1167] [ 3227.761113][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3227.761520][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3227.761520][ T10] netdev_get_by_index+0x5e/0x80 [ 3227.761520][ T10] fib6_nh_init+0x3d8/0x1580 [ 3227.761520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3227.761520][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3227.761520][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3227.761520][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3227.761520][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3227.761520][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3227.761520][ T10] addrconf_dad_begin+0x310/0x670 [ 3227.761520][ T10] addrconf_dad_work+0x10b/0xab0 [ 3227.761520][ T10] process_one_work+0x84d/0x18a0 [ 3227.761520][ T10] worker_thread+0x587/0xd30 [ 3227.761520][ T10] kthread+0x28a/0x350 [ 3227.761520][ T10] ret_from_fork+0x31/0x70 [ 3227.761520][ T10] ret_from_fork_asm+0x1a/0x30 [ 3227.761520][ T10] [ 3227.763458][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3227.763458][ T10] netdev_get_by_index+0x5e/0x80 [ 3227.763458][ T10] fib6_nh_init+0x3d8/0x1580 [ 3227.763458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3227.763458][ T10] ip6_route_add+0x1c/0x140 [ 3227.763458][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3227.763458][ T10] inet6_addr_add+0x4f8/0xa40 [ 3227.763458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3227.763458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3227.763458][ T10] netlink_rcv_skb+0x130/0x360 [ 3227.763458][ T10] netlink_unicast+0x449/0x710 [ 3227.763458][ T10] netlink_sendmsg+0x723/0xbe0 [ 3227.763458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3227.763458][ T10] ___sys_sendmsg+0xee/0x170 [ 3227.763458][ T10] __sys_sendmsg+0xcd/0x170 [ 3227.763458][ T10] do_syscall_64+0xc6/0x1e0 [ 3227.763458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3227.763458][ T10] [ 3227.765454][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3227.765454][ T10] netdev_get_by_index+0x5e/0x80 [ 3227.765454][ T10] fib6_nh_init+0x3d8/0x1580 [ 3227.765454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3227.765454][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3227.765454][ T10] ipv6_add_addr+0x411/0x2000 [ 3227.765454][ T10] inet6_addr_add+0x30e/0xa40 [ 3227.765454][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3227.765454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3227.765454][ T10] netlink_rcv_skb+0x130/0x360 [ 3227.765454][ T10] netlink_unicast+0x449/0x710 [ 3227.765454][ T10] netlink_sendmsg+0x723/0xbe0 [ 3227.765454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3227.765454][ T10] ___sys_sendmsg+0xee/0x170 [ 3227.765454][ T10] __sys_sendmsg+0xcd/0x170 [ 3227.765454][ T10] do_syscall_64+0xc6/0x1e0 [ 3227.765454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3227.765454][ T10] [ 3227.767442][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3227.767442][ T10] netdev_get_by_index+0x5e/0x80 [ 3227.767442][ T10] fib6_nh_init+0x3d8/0x1580 [ 3227.767442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3227.767442][ T10] ip6_route_add+0x1c/0x140 [ 3227.767442][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3227.767442][ T10] addrconf_add_dev+0xe2/0x170 [ 3227.767442][ T10] inet6_addr_add+0x12f/0xa40 [ 3227.767442][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3227.767442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3227.767442][ T10] netlink_rcv_skb+0x130/0x360 [ 3227.767442][ T10] netlink_unicast+0x449/0x710 [ 3227.767442][ T10] netlink_sendmsg+0x723/0xbe0 [ 3227.767442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3227.767442][ T10] ___sys_sendmsg+0xee/0x170 [ 3227.767442][ T10] __sys_sendmsg+0xcd/0x170 [ 3227.767442][ T10] do_syscall_64+0xc6/0x1e0 [ 3227.767442][ T10] [ 3227.769393][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3227.769393][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3227.769393][ T10] ipv6_find_idev+0x102/0x170 [ 3227.769393][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3227.769393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3227.769393][ T10] netlink_rcv_skb+0x130/0x360 [ 3227.769393][ T10] netlink_unicast+0x449/0x710 [ 3227.769393][ T10] netlink_sendmsg+0x723/0xbe0 [ 3227.769393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3227.769393][ T10] ___sys_sendmsg+0xee/0x170 [ 3227.769393][ T10] __sys_sendmsg+0xcd/0x170 [ 3227.769393][ T10] do_syscall_64+0xc6/0x1e0 [ 3227.769393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3227.769393][ T10] [ 3227.770925][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3227.770925][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3227.770925][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3227.770925][ T10] ipv6_find_idev+0x102/0x170 [ 3227.770925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3227.770925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3227.770925][ T10] netlink_rcv_skb+0x130/0x360 [ 3227.770925][ T10] netlink_unicast+0x449/0x710 [ 3227.770925][ T10] netlink_sendmsg+0x723/0xbe0 [ 3227.770925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3227.770925][ T10] ___sys_sendmsg+0xee/0x170 [ 3227.770925][ T10] __sys_sendmsg+0xcd/0x170 [ 3227.770925][ T10] do_syscall_64+0xc6/0x1e0 [ 3227.770925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3227.770925][ T10] [ 3227.772605][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3227.772853][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3227.772853][ T10] netdev_get_by_index+0x5e/0x80 [ 3227.772853][ T10] fib6_nh_init+0x3d8/0x1580 [ 3227.772853][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3227.772853][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3227.772853][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3227.772853][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3227.772853][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3227.772853][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3227.772853][ T10] addrconf_dad_begin+0x310/0x670 [ 3227.772853][ T10] addrconf_dad_work+0x10b/0xab0 [ 3227.772853][ T10] process_one_work+0x84d/0x18a0 [ 3227.772853][ T10] worker_thread+0x587/0xd30 [ 3227.772853][ T10] kthread+0x28a/0x350 [ 3227.772853][ T10] ret_from_fork+0x31/0x70 [ 3227.772853][ T10] ret_from_fork_asm+0x1a/0x30 [ 3227.772853][ T10] [ 3227.774758][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3227.774758][ T10] netdev_get_by_index+0x5e/0x80 [ 3227.774758][ T10] fib6_nh_init+0x3d8/0x1580 [ 3227.774758][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3227.774758][ T10] ip6_route_add+0x1c/0x140 [ 3227.774758][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3227.774758][ T10] inet6_addr_add+0x4f8/0xa40 [ 3227.774758][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3227.774758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3227.774758][ T10] netlink_rcv_skb+0x130/0x360 [ 3227.774758][ T10] netlink_unicast+0x449/0x710 [ 3227.774758][ T10] netlink_sendmsg+0x723/0xbe0 [ 3227.774758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3227.774758][ T10] ___sys_sendmsg+0xee/0x170 [ 3227.774758][ T10] __sys_sendmsg+0xcd/0x170 [ 3227.774758][ T10] do_syscall_64+0xc6/0x1e0 [ 3227.774758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3227.774758][ T10] [ 3227.776743][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3227.776743][ T10] netdev_get_by_index+0x5e/0x80 [ 3227.776743][ T10] fib6_nh_init+0x3d8/0x1580 [ 3227.776743][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3227.776743][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3227.776743][ T10] ipv6_add_addr+0x411/0x2000 [ 3227.776743][ T10] inet6_addr_add+0x30e/0xa40 [ 3227.776743][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3227.776743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3227.776743][ T10] netlink_rcv_skb+0x130/0x360 [ 3227.776743][ T10] netlink_unicast+0x449/0x710 [ 3227.776743][ T10] netlink_sendmsg+0x723/0xbe0 [ 3227.776743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3227.776743][ T10] ___sys_sendmsg+0xee/0x170 [ 3227.776743][ T10] __sys_sendmsg+0xcd/0x170 [ 3227.776743][ T10] do_syscall_64+0xc6/0x1e0 [ 3227.776743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3227.776743][ T10] [ 3227.778729][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3227.778729][ T10] netdev_get_by_index+0x5e/0x80 [ 3227.778729][ T10] fib6_nh_init+0x3d8/0x1580 [ 3227.778729][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3227.778729][ T10] ip6_route_add+0x1c/0x140 [ 3227.778729][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3227.778729][ T10] addrconf_add_dev+0xe2/0x170 [ 3227.778729][ T10] inet6_addr_add+0x12f/0xa40 [ 3227.778729][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3227.778729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3227.778729][ T10] netlink_rcv_skb+0x130/0x360 [ 3227.778729][ T10] netlink_unicast+0x449/0x710 [ 3227.778729][ T10] netlink_sendmsg+0x723/0xbe0 [ 3227.778729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3227.778729][ T10] ___sys_sendmsg+0xee/0x170 [ 3227.778729][ T10] __sys_sendmsg+0xcd/0x170 [ 3227.778729][ T10] do_syscall_64+0xc6/0x1e0 [ 3227.778729][ T10] [ 3227.780675][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3227.780675][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3227.780675][ T10] ipv6_find_idev+0x102/0x170 [ 3227.780675][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3227.780675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3227.780675][ T10] netlink_rcv_skb+0x130/0x360 [ 3227.780675][ T10] netlink_unicast+0x449/0x710 [ 3227.780675][ T10] netlink_sendmsg+0x723/0xbe0 [ 3227.780675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3227.780675][ T10] ___sys_sendmsg+0xee/0x170 [ 3227.780675][ T10] __sys_sendmsg+0xcd/0x170 [ 3227.780675][ T10] do_syscall_64+0xc6/0x1e0 [ 3227.780675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3227.780675][ T10] [ 3227.782211][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3227.782211][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3227.782211][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3227.782211][ T10] ipv6_find_idev+0x102/0x170 [ 3227.782211][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3227.782211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3227.782211][ T10] netlink_rcv_skb+0x130/0x360 [ 3227.782211][ T10] netlink_unicast+0x449/0x710 [ 3227.782211][ T10] netlink_sendmsg+0x723/0xbe0 [ 3227.782211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3227.782211][ T10] ___sys_sendmsg+0xee/0x170 [ 3227.782211][ T10] __sys_sendmsg+0xcd/0x170 [ 3227.782211][ T10] do_syscall_64+0xc6/0x1e0 [ 3227.782211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3227.782211][ T10] [ 3227.783884][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3227.784130][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3227.784130][ T10] netdev_get_by_index+0x5e/0x80 [ 3227.784130][ T10] fib6_nh_init+0x3d8/0x1580 [ 3227.784130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3227.784130][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3227.784130][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3227.784130][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3227.784130][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3227.784130][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3227.784130][ T10] addrconf_dad_begin+0x310/0x670 [ 3227.784130][ T10] addrconf_dad_work+0x10b/0xab0 [ 3227.784130][ T10] process_one_work+0x84d/0x18a0 [ 3227.784130][ T10] worker_thread+0x587/0xd30 [ 3227.784130][ T10] kthread+0x28a/0x350 [ 3227.784130][ T10] ret_from_fork+0x31/0x70 [ 3227.784130][ T10] ret_from_fork_asm+0x1a/0x30 [ 3227.784130][ T10] [ 3227.786027][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3227.786027][ T10] netdev_get_by_index+0x5e/0x80 [ 3227.786027][ T10] fib6_nh_init+0x3d8/0x1580 [ 3227.786027][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3227.786027][ T10] ip6_route_add+0x1c/0x140 [ 3227.786027][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3227.786027][ T10] inet6_addr_add+0x4f8/0xa40 [ 3227.786027][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3227.786027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3227.786027][ T10] netlink_rcv_skb+0x130/0x360 [ 3227.786027][ T10] netlink_unicast+0x449/0x710 [ 3227.786027][ T10] netlink_sendmsg+0x723/0xbe0 [ 3227.786027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3227.786027][ T10] ___sys_sendmsg+0xee/0x170 [ 3227.786027][ T10] __sys_sendmsg+0xcd/0x170 [ 3227.786027][ T10] do_syscall_64+0xc6/0x1e0 [ 3227.786027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3227.786027][ T10] [ 3227.788189][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3227.788189][ T10] netdev_get_by_index+0x5e/0x80 [ 3227.788189][ T10] fib6_nh_init+0x3d8/0x1580 [ 3227.788189][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3227.788189][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3227.788189][ T10] ipv6_add_addr+0x411/0x2000 [ 3227.788189][ T10] inet6_addr_add+0x30e/0xa40 [ 3227.788189][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3227.788189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3227.788189][ T10] netlink_rcv_skb+0x130/0x360 [ 3227.788189][ T10] netlink_unicast+0x449/0x710 [ 3227.788189][ T10] netlink_sendmsg+0x723/0xbe0 [ 3227.788189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3227.788189][ T10] ___sys_sendmsg+0xee/0x170 [ 3227.788189][ T10] __sys_sendmsg+0xcd/0x170 [ 3227.788189][ T10] do_syscall_64+0xc6/0x1e0 [ 3227.788189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3227.788189][ T10] [ 3227.790411][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3227.790411][ T10] netdev_get_by_index+0x5e/0x80 [ 3227.790411][ T10] fib6_nh_init+0x3d8/0x1580 [ 3227.790411][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3227.790411][ T10] ip6_route_add+0x1c/0x140 [ 3227.790411][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3227.790411][ T10] addrconf_add_dev+0xe2/0x170 [ 3227.790411][ T10] inet6_addr_add+0x12f/0xa40 [ 3227.790411][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3227.790411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3227.790411][ T10] netlink_rcv_skb+0x130/0x360 [ 3227.790411][ T10] netlink_unicast+0x449/0x710 [ 3227.790411][ T10] netlink_sendmsg+0x723/0xbe0 [ 3227.790411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3227.790411][ T10] ___sys_sendmsg+0xee/0x170 [ 3227.790411][ T10] __sys_sendmsg+0xcd/0x170 [ 3227.790411][ T10] do_syscall_64+0xc6/0x1e0 [ 3227.790411][ T10] [ 3227.792599][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3227.792599][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3227.792599][ T10] ipv6_find_idev+0x102/0x170 [ 3227.792599][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3227.792599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3227.792599][ T10] netlink_rcv_skb+0x130/0x360 [ 3227.792599][ T10] netlink_unicast+0x449/0x710 [ 3227.792599][ T10] netlink_sendmsg+0x723/0xbe0 [ 3227.792599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3227.792599][ T10] ___sys_sendmsg+0xee/0x170 [ 3227.792599][ T10] __sys_sendmsg+0xcd/0x170 [ 3227.792599][ T10] do_syscall_64+0xc6/0x1e0 [ 3227.792599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3227.792599][ T10] [ 3227.794316][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3227.794316][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3227.794316][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3227.794316][ T10] ipv6_find_idev+0x102/0x170 [ 3227.794316][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3227.794316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3227.794316][ T10] netlink_rcv_skb+0x130/0x360 [ 3227.794316][ T10] netlink_unicast+0x449/0x710 [ 3227.794316][ T10] netlink_sendmsg+0x723/0xbe0 [ 3227.794316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3227.794316][ T10] ___sys_sendmsg+0xee/0x170 [ 3227.794316][ T10] __sys_sendmsg+0xcd/0x170 [ 3227.794316][ T10] do_syscall_64+0xc6/0x1e0 [ 3227.794316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3227.794316][ T10] [ 3227.796226][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3227.796461][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3227.796461][ T10] netdev_get_by_index+0x5e/0x80 [ 3227.796461][ T10] fib6_nh_init+0x3d8/0x1580 [ 3227.796461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3227.796461][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3227.796461][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3227.796461][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3227.796461][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3227.796461][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3227.796461][ T10] addrconf_dad_begin+0x310/0x670 [ 3227.796461][ T10] addrconf_dad_work+0x10b/0xab0 [ 3227.796461][ T10] process_one_work+0x84d/0x18a0 [ 3227.796461][ T10] worker_thread+0x587/0xd30 [ 3227.796461][ T10] kthread+0x28a/0x350 [ 3227.796461][ T10] ret_from_fork+0x31/0x70 [ 3227.796461][ T10] ret_from_fork_asm+0x1a/0x30 [ 3227.796461][ T10] [ 3227.798608][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3227.798608][ T10] netdev_get_by_index+0x5e/0x80 [ 3227.798608][ T10] fib6_nh_init+0x3d8/0x1580 [ 3227.798608][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3227.798608][ T10] ip6_route_add+0x1c/0x140 [ 3227.798608][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3227.798608][ T10] inet6_addr_add+0x4f8/0xa40 [ 3227.798608][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3227.798608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3227.798608][ T10] netlink_rcv_skb+0x130/0x360 [ 3227.798608][ T10] netlink_unicast+0x449/0x710 [ 3227.798608][ T10] netlink_sendmsg+0x723/0xbe0 [ 3227.798608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3227.798608][ T10] ___sys_sendmsg+0xee/0x170 [ 3227.798608][ T10] __sys_sendmsg+0xcd/0x170 [ 3227.798608][ T10] do_syscall_64+0xc6/0x1e0 [ 3227.798608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3227.798608][ T10] [ 3227.800824][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3227.800824][ T10] netdev_get_by_index+0x5e/0x80 [ 3227.800824][ T10] fib6_nh_init+0x3d8/0x1580 [ 3227.800824][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3227.800824][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3227.800824][ T10] ipv6_add_addr+0x411/0x2000 [ 3227.800824][ T10] inet6_addr_add+0x30e/0xa40 [ 3227.800824][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3227.800824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3227.800824][ T10] netlink_rcv_skb+0x130/0x360 [ 3227.800824][ T10] netlink_unicast+0x449/0x710 [ 3227.800824][ T10] netlink_sendmsg+0x723/0xbe0 [ 3227.800824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3227.800824][ T10] ___sys_sendmsg+0xee/0x170 [ 3227.800824][ T10] __sys_sendmsg+0xcd/0x170 [ 3227.800824][ T10] do_syscall_64+0xc6/0x1e0 [ 3227.800824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3227.800824][ T10] [ 3227.803033][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3227.803033][ T10] netdev_get_by_index+0x5e/0x80 [ 3227.803033][ T10] fib6_nh_init+0x3d8/0x1580 [ 3227.803033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3227.803033][ T10] ip6_route_add+0x1c/0x140 [ 3227.803033][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3227.803033][ T10] addrconf_add_dev+0xe2/0x170 [ 3227.803033][ T10] inet6_addr_add+0x12f/0xa40 [ 3227.803033][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3227.803033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3227.803033][ T10] netlink_rcv_skb+0x130/0x360 [ 3227.803033][ T10] netlink_unicast+0x449/0x710 [ 3227.803033][ T10] netlink_sendmsg+0x723/0xbe0 [ 3227.803033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3227.803033][ T10] ___sys_sendmsg+0xee/0x170 [ 3227.803033][ T10] __sys_sendmsg+0xcd/0x170 [ 3227.803033][ T10] do_syscall_64+0xc6/0x1e0 [ 3227.803033][ T10] [ 3227.805296][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3227.805296][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3227.805296][ T10] ipv6_find_idev+0x102/0x170 [ 3227.805296][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3227.805296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3227.805296][ T10] netlink_rcv_skb+0x130/0x360 [ 3227.805296][ T10] netlink_unicast+0x449/0x710 [ 3227.805296][ T10] netlink_sendmsg+0x723/0xbe0 [ 3227.805296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3227.805296][ T10] ___sys_sendmsg+0xee/0x170 [ 3227.805296][ T10] __sys_sendmsg+0xcd/0x170 [ 3227.805296][ T10] do_syscall_64+0xc6/0x1e0 [ 3227.805296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3227.805296][ T10] [ 3227.807004][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3227.807004][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3227.807004][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3227.807004][ T10] ipv6_find_idev+0x102/0x170 [ 3227.807004][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3227.807004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3227.807004][ T10] netlink_rcv_skb+0x130/0x360 [ 3227.807004][ T10] netlink_unicast+0x449/0x710 [ 3227.807004][ T10] netlink_sendmsg+0x723/0xbe0 [ 3227.807004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3227.807004][ T10] ___sys_sendmsg+0xee/0x170 [ 3227.807004][ T10] __sys_sendmsg+0xcd/0x170 [ 3227.807004][ T10] do_syscall_64+0xc6/0x1e0 [ 3227.807004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3227.807004][ T10] [ 3229.025112][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3229.025526][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3229.025526][ T1167] dst_init+0x84/0x4a0 [ 3229.025526][ T1167] dst_alloc+0x97/0x150 [ 3229.025526][ T1167] ip6_dst_alloc+0x23/0x90 [ 3229.025526][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3229.025526][ T1167] ip6_pol_route+0x56f/0x840 [ 3229.025526][ T1167] fib6_rule_lookup+0x334/0x630 [ 3229.025526][ T1167] ip6_route_output_flags+0x259/0x480 [ 3229.025526][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3229.025526][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3229.025526][ T1167] netlink_rcv_skb+0x130/0x360 [ 3229.025526][ T1167] netlink_unicast+0x449/0x710 [ 3229.025526][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3229.025526][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3229.025526][ T1167] ___sys_sendmsg+0xee/0x170 [ 3229.025526][ T1167] __sys_sendmsg+0xcd/0x170 [ 3229.025526][ T1167] do_syscall_64+0xc6/0x1e0 [ 3229.025526][ T1167] [ 3229.027720][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3229.027720][ T1167] netdev_get_by_index+0x5e/0x80 [ 3229.027720][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3229.027720][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3229.027720][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3229.027720][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3229.027720][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3229.027720][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3229.027720][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3229.027720][ T1167] addrconf_dad_begin+0x310/0x670 [ 3229.027720][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3229.027720][ T1167] process_one_work+0x84d/0x18a0 [ 3229.027720][ T1167] worker_thread+0x587/0xd30 [ 3229.027720][ T1167] kthread+0x28a/0x350 [ 3229.027720][ T1167] ret_from_fork+0x31/0x70 [ 3229.027720][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3229.027720][ T1167] [ 3229.029866][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3229.029866][ T1167] netdev_get_by_index+0x5e/0x80 [ 3229.029866][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3229.029866][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3229.029866][ T1167] ip6_route_add+0x1c/0x140 [ 3229.029866][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3229.029866][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3229.029866][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3229.029866][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3229.029866][ T1167] netlink_rcv_skb+0x130/0x360 [ 3229.029866][ T1167] netlink_unicast+0x449/0x710 [ 3229.029866][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3229.029866][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3229.029866][ T1167] ___sys_sendmsg+0xee/0x170 [ 3229.029866][ T1167] __sys_sendmsg+0xcd/0x170 [ 3229.029866][ T1167] do_syscall_64+0xc6/0x1e0 [ 3229.029866][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3229.029866][ T1167] [ 3229.032112][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3229.032112][ T1167] netdev_get_by_index+0x5e/0x80 [ 3229.032112][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3229.032112][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3229.032112][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3229.032112][ T1167] ipv6_add_addr+0x411/0x2000 [ 3229.032112][ T1167] inet6_addr_add+0x30e/0xa40 [ 3229.032112][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3229.032112][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3229.032112][ T1167] netlink_rcv_skb+0x130/0x360 [ 3229.032112][ T1167] netlink_unicast+0x449/0x710 [ 3229.032112][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3229.032112][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3229.032112][ T1167] ___sys_sendmsg+0xee/0x170 [ 3229.032112][ T1167] __sys_sendmsg+0xcd/0x170 [ 3229.032112][ T1167] do_syscall_64+0xc6/0x1e0 [ 3229.032112][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3229.032112][ T1167] [ 3229.034371][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3229.034371][ T1167] netdev_get_by_index+0x5e/0x80 [ 3229.034371][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3229.034371][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3229.034371][ T1167] ip6_route_add+0x1c/0x140 [ 3229.034371][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3229.034371][ T1167] addrconf_add_dev+0xe2/0x170 [ 3229.034371][ T1167] inet6_addr_add+0x12f/0xa40 [ 3229.034371][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3229.034371][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3229.034371][ T1167] netlink_rcv_skb+0x130/0x360 [ 3229.034371][ T1167] netlink_unicast+0x449/0x710 [ 3229.034371][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3229.034371][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3229.034371][ T1167] ___sys_sendmsg+0xee/0x170 [ 3229.034371][ T1167] __sys_sendmsg+0xcd/0x170 [ 3229.034371][ T1167] do_syscall_64+0xc6/0x1e0 [ 3229.034371][ T1167] [ 3229.036581][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3229.036581][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3229.036581][ T1167] ipv6_find_idev+0x102/0x170 [ 3229.036581][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3229.036581][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3229.036581][ T1167] netlink_rcv_skb+0x130/0x360 [ 3229.036581][ T1167] netlink_unicast+0x449/0x710 [ 3229.036581][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3229.036581][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3229.036581][ T1167] ___sys_sendmsg+0xee/0x170 [ 3229.036581][ T1167] __sys_sendmsg+0xcd/0x170 [ 3229.036581][ T1167] do_syscall_64+0xc6/0x1e0 [ 3229.036581][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3229.036581][ T1167] [ 3229.038307][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3229.038307][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3229.038307][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3229.038307][ T1167] ipv6_find_idev+0x102/0x170 [ 3229.038307][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3229.038307][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3229.038307][ T1167] netlink_rcv_skb+0x130/0x360 [ 3229.038307][ T1167] netlink_unicast+0x449/0x710 [ 3229.038307][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3229.038307][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3229.038307][ T1167] ___sys_sendmsg+0xee/0x170 [ 3229.038307][ T1167] __sys_sendmsg+0xcd/0x170 [ 3229.038307][ T1167] do_syscall_64+0xc6/0x1e0 [ 3229.038307][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3229.038307][ T1167] [ 3237.953096][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3237.953449][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3237.953449][ T10] netdev_get_by_index+0x5e/0x80 [ 3237.953449][ T10] fib6_nh_init+0x3d8/0x1580 [ 3237.953449][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3237.953449][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3237.953449][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3237.953449][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3237.953449][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3237.953449][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3237.953449][ T10] addrconf_dad_begin+0x310/0x670 [ 3237.953449][ T10] addrconf_dad_work+0x10b/0xab0 [ 3237.953449][ T10] process_one_work+0x84d/0x18a0 [ 3237.953449][ T10] worker_thread+0x587/0xd30 [ 3237.953449][ T10] kthread+0x28a/0x350 [ 3237.953449][ T10] ret_from_fork+0x31/0x70 [ 3237.953449][ T10] ret_from_fork_asm+0x1a/0x30 [ 3237.953449][ T10] [ 3237.955375][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3237.955375][ T10] netdev_get_by_index+0x5e/0x80 [ 3237.955375][ T10] fib6_nh_init+0x3d8/0x1580 [ 3237.955375][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3237.955375][ T10] ip6_route_add+0x1c/0x140 [ 3237.955375][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3237.955375][ T10] inet6_addr_add+0x4f8/0xa40 [ 3237.955375][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3237.955375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3237.955375][ T10] netlink_rcv_skb+0x130/0x360 [ 3237.955375][ T10] netlink_unicast+0x449/0x710 [ 3237.955375][ T10] netlink_sendmsg+0x723/0xbe0 [ 3237.955375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3237.955375][ T10] ___sys_sendmsg+0xee/0x170 [ 3237.955375][ T10] __sys_sendmsg+0xcd/0x170 [ 3237.955375][ T10] do_syscall_64+0xc6/0x1e0 [ 3237.955375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3237.955375][ T10] [ 3237.957345][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3237.957345][ T10] netdev_get_by_index+0x5e/0x80 [ 3237.957345][ T10] fib6_nh_init+0x3d8/0x1580 [ 3237.957345][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3237.957345][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3237.957345][ T10] ipv6_add_addr+0x411/0x2000 [ 3237.957345][ T10] inet6_addr_add+0x30e/0xa40 [ 3237.957345][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3237.957345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3237.957345][ T10] netlink_rcv_skb+0x130/0x360 [ 3237.957345][ T10] netlink_unicast+0x449/0x710 [ 3237.957345][ T10] netlink_sendmsg+0x723/0xbe0 [ 3237.957345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3237.957345][ T10] ___sys_sendmsg+0xee/0x170 [ 3237.957345][ T10] __sys_sendmsg+0xcd/0x170 [ 3237.957345][ T10] do_syscall_64+0xc6/0x1e0 [ 3237.957345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3237.957345][ T10] [ 3237.959321][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3237.959321][ T10] netdev_get_by_index+0x5e/0x80 [ 3237.959321][ T10] fib6_nh_init+0x3d8/0x1580 [ 3237.959321][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3237.959321][ T10] ip6_route_add+0x1c/0x140 [ 3237.959321][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3237.959321][ T10] addrconf_add_dev+0xe2/0x170 [ 3237.959321][ T10] inet6_addr_add+0x12f/0xa40 [ 3237.959321][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3237.959321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3237.959321][ T10] netlink_rcv_skb+0x130/0x360 [ 3237.959321][ T10] netlink_unicast+0x449/0x710 [ 3237.959321][ T10] netlink_sendmsg+0x723/0xbe0 [ 3237.959321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3237.959321][ T10] ___sys_sendmsg+0xee/0x170 [ 3237.959321][ T10] __sys_sendmsg+0xcd/0x170 [ 3237.959321][ T10] do_syscall_64+0xc6/0x1e0 [ 3237.959321][ T10] [ 3237.961257][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3237.961257][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3237.961257][ T10] ipv6_find_idev+0x102/0x170 [ 3237.961257][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3237.961257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3237.961257][ T10] netlink_rcv_skb+0x130/0x360 [ 3237.961257][ T10] netlink_unicast+0x449/0x710 [ 3237.961257][ T10] netlink_sendmsg+0x723/0xbe0 [ 3237.961257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3237.961257][ T10] ___sys_sendmsg+0xee/0x170 [ 3237.961257][ T10] __sys_sendmsg+0xcd/0x170 [ 3237.961257][ T10] do_syscall_64+0xc6/0x1e0 [ 3237.961257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3237.961257][ T10] [ 3237.962786][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3237.962786][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3237.962786][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3237.962786][ T10] ipv6_find_idev+0x102/0x170 [ 3237.962786][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3237.962786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3237.962786][ T10] netlink_rcv_skb+0x130/0x360 [ 3237.962786][ T10] netlink_unicast+0x449/0x710 [ 3237.962786][ T10] netlink_sendmsg+0x723/0xbe0 [ 3237.962786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3237.962786][ T10] ___sys_sendmsg+0xee/0x170 [ 3237.962786][ T10] __sys_sendmsg+0xcd/0x170 [ 3237.962786][ T10] do_syscall_64+0xc6/0x1e0 [ 3237.962786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3237.962786][ T10] [ 3237.964456][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3237.964696][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3237.964696][ T10] netdev_get_by_index+0x5e/0x80 [ 3237.964696][ T10] fib6_nh_init+0x3d8/0x1580 [ 3237.964696][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3237.964696][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3237.964696][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3237.964696][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3237.964696][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3237.964696][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3237.964696][ T10] addrconf_dad_begin+0x310/0x670 [ 3237.964696][ T10] addrconf_dad_work+0x10b/0xab0 [ 3237.964696][ T10] process_one_work+0x84d/0x18a0 [ 3237.964696][ T10] worker_thread+0x587/0xd30 [ 3237.964696][ T10] kthread+0x28a/0x350 [ 3237.964696][ T10] ret_from_fork+0x31/0x70 [ 3237.964696][ T10] ret_from_fork_asm+0x1a/0x30 [ 3237.964696][ T10] [ 3237.966576][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3237.966576][ T10] netdev_get_by_index+0x5e/0x80 [ 3237.966576][ T10] fib6_nh_init+0x3d8/0x1580 [ 3237.966576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3237.966576][ T10] ip6_route_add+0x1c/0x140 [ 3237.966576][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3237.966576][ T10] inet6_addr_add+0x4f8/0xa40 [ 3237.966576][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3237.966576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3237.966576][ T10] netlink_rcv_skb+0x130/0x360 [ 3237.966576][ T10] netlink_unicast+0x449/0x710 [ 3237.966576][ T10] netlink_sendmsg+0x723/0xbe0 [ 3237.966576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3237.966576][ T10] ___sys_sendmsg+0xee/0x170 [ 3237.966576][ T10] __sys_sendmsg+0xcd/0x170 [ 3237.966576][ T10] do_syscall_64+0xc6/0x1e0 [ 3237.966576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3237.966576][ T10] [ 3237.968540][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3237.968540][ T10] netdev_get_by_index+0x5e/0x80 [ 3237.968540][ T10] fib6_nh_init+0x3d8/0x1580 [ 3237.968540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3237.968540][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3237.968540][ T10] ipv6_add_addr+0x411/0x2000 [ 3237.968540][ T10] inet6_addr_add+0x30e/0xa40 [ 3237.968540][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3237.968540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3237.968540][ T10] netlink_rcv_skb+0x130/0x360 [ 3237.968540][ T10] netlink_unicast+0x449/0x710 [ 3237.968540][ T10] netlink_sendmsg+0x723/0xbe0 [ 3237.968540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3237.968540][ T10] ___sys_sendmsg+0xee/0x170 [ 3237.968540][ T10] __sys_sendmsg+0xcd/0x170 [ 3237.968540][ T10] do_syscall_64+0xc6/0x1e0 [ 3237.968540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3237.968540][ T10] [ 3237.970517][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3237.970517][ T10] netdev_get_by_index+0x5e/0x80 [ 3237.970517][ T10] fib6_nh_init+0x3d8/0x1580 [ 3237.970517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3237.970517][ T10] ip6_route_add+0x1c/0x140 [ 3237.970517][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3237.970517][ T10] addrconf_add_dev+0xe2/0x170 [ 3237.970517][ T10] inet6_addr_add+0x12f/0xa40 [ 3237.970517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3237.970517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3237.970517][ T10] netlink_rcv_skb+0x130/0x360 [ 3237.970517][ T10] netlink_unicast+0x449/0x710 [ 3237.970517][ T10] netlink_sendmsg+0x723/0xbe0 [ 3237.970517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3237.970517][ T10] ___sys_sendmsg+0xee/0x170 [ 3237.970517][ T10] __sys_sendmsg+0xcd/0x170 [ 3237.970517][ T10] do_syscall_64+0xc6/0x1e0 [ 3237.970517][ T10] [ 3237.972450][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3237.972450][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3237.972450][ T10] ipv6_find_idev+0x102/0x170 [ 3237.972450][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3237.972450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3237.972450][ T10] netlink_rcv_skb+0x130/0x360 [ 3237.972450][ T10] netlink_unicast+0x449/0x710 [ 3237.972450][ T10] netlink_sendmsg+0x723/0xbe0 [ 3237.972450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3237.972450][ T10] ___sys_sendmsg+0xee/0x170 [ 3237.972450][ T10] __sys_sendmsg+0xcd/0x170 [ 3237.972450][ T10] do_syscall_64+0xc6/0x1e0 [ 3237.972450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3237.972450][ T10] [ 3237.973979][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3237.973979][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3237.973979][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3237.973979][ T10] ipv6_find_idev+0x102/0x170 [ 3237.973979][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3237.973979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3237.973979][ T10] netlink_rcv_skb+0x130/0x360 [ 3237.973979][ T10] netlink_unicast+0x449/0x710 [ 3237.973979][ T10] netlink_sendmsg+0x723/0xbe0 [ 3237.973979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3237.973979][ T10] ___sys_sendmsg+0xee/0x170 [ 3237.973979][ T10] __sys_sendmsg+0xcd/0x170 [ 3237.973979][ T10] do_syscall_64+0xc6/0x1e0 [ 3237.973979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3237.973979][ T10] [ 3237.975650][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3237.975894][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3237.975894][ T10] netdev_get_by_index+0x5e/0x80 [ 3237.975894][ T10] fib6_nh_init+0x3d8/0x1580 [ 3237.975894][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3237.975894][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3237.975894][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3237.975894][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3237.975894][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3237.975894][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3237.975894][ T10] addrconf_dad_begin+0x310/0x670 [ 3237.975894][ T10] addrconf_dad_work+0x10b/0xab0 [ 3237.975894][ T10] process_one_work+0x84d/0x18a0 [ 3237.975894][ T10] worker_thread+0x587/0xd30 [ 3237.975894][ T10] kthread+0x28a/0x350 [ 3237.975894][ T10] ret_from_fork+0x31/0x70 [ 3237.975894][ T10] ret_from_fork_asm+0x1a/0x30 [ 3237.975894][ T10] [ 3237.978302][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3237.978302][ T10] netdev_get_by_index+0x5e/0x80 [ 3237.978302][ T10] fib6_nh_init+0x3d8/0x1580 [ 3237.978302][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3237.978302][ T10] ip6_route_add+0x1c/0x140 [ 3237.978302][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3237.978302][ T10] inet6_addr_add+0x4f8/0xa40 [ 3237.978302][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3237.978302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3237.978302][ T10] netlink_rcv_skb+0x130/0x360 [ 3237.978302][ T10] netlink_unicast+0x449/0x710 [ 3237.978302][ T10] netlink_sendmsg+0x723/0xbe0 [ 3237.978302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3237.978302][ T10] ___sys_sendmsg+0xee/0x170 [ 3237.978302][ T10] __sys_sendmsg+0xcd/0x170 [ 3237.978302][ T10] do_syscall_64+0xc6/0x1e0 [ 3237.978302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3237.978302][ T10] [ 3237.982677][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3237.982677][ T10] netdev_get_by_index+0x5e/0x80 [ 3237.982677][ T10] fib6_nh_init+0x3d8/0x1580 [ 3237.982677][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3237.982677][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3237.982677][ T10] ipv6_add_addr+0x411/0x2000 [ 3237.982677][ T10] inet6_addr_add+0x30e/0xa40 [ 3237.982677][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3237.982677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3237.982677][ T10] netlink_rcv_skb+0x130/0x360 [ 3237.982677][ T10] netlink_unicast+0x449/0x710 [ 3237.982677][ T10] netlink_sendmsg+0x723/0xbe0 [ 3237.982677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3237.982677][ T10] ___sys_sendmsg+0xee/0x170 [ 3237.982677][ T10] __sys_sendmsg+0xcd/0x170 [ 3237.982677][ T10] do_syscall_64+0xc6/0x1e0 [ 3237.982677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3237.982677][ T10] [ 3237.984912][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3237.984912][ T10] netdev_get_by_index+0x5e/0x80 [ 3237.984912][ T10] fib6_nh_init+0x3d8/0x1580 [ 3237.984912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3237.984912][ T10] ip6_route_add+0x1c/0x140 [ 3237.984912][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3237.984912][ T10] addrconf_add_dev+0xe2/0x170 [ 3237.984912][ T10] inet6_addr_add+0x12f/0xa40 [ 3237.984912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3237.984912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3237.984912][ T10] netlink_rcv_skb+0x130/0x360 [ 3237.984912][ T10] netlink_unicast+0x449/0x710 [ 3237.984912][ T10] netlink_sendmsg+0x723/0xbe0 [ 3237.984912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3237.984912][ T10] ___sys_sendmsg+0xee/0x170 [ 3237.984912][ T10] __sys_sendmsg+0xcd/0x170 [ 3237.984912][ T10] do_syscall_64+0xc6/0x1e0 [ 3237.984912][ T10] [ 3237.987147][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3237.987147][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3237.987147][ T10] ipv6_find_idev+0x102/0x170 [ 3237.987147][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3237.987147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3237.987147][ T10] netlink_rcv_skb+0x130/0x360 [ 3237.987147][ T10] netlink_unicast+0x449/0x710 [ 3237.987147][ T10] netlink_sendmsg+0x723/0xbe0 [ 3237.987147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3237.987147][ T10] ___sys_sendmsg+0xee/0x170 [ 3237.987147][ T10] __sys_sendmsg+0xcd/0x170 [ 3237.987147][ T10] do_syscall_64+0xc6/0x1e0 [ 3237.987147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3237.987147][ T10] [ 3237.988936][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3237.988936][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3237.988936][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3237.988936][ T10] ipv6_find_idev+0x102/0x170 [ 3237.988936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3237.988936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3237.988936][ T10] netlink_rcv_skb+0x130/0x360 [ 3237.988936][ T10] netlink_unicast+0x449/0x710 [ 3237.988936][ T10] netlink_sendmsg+0x723/0xbe0 [ 3237.988936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3237.988936][ T10] ___sys_sendmsg+0xee/0x170 [ 3237.988936][ T10] __sys_sendmsg+0xcd/0x170 [ 3237.988936][ T10] do_syscall_64+0xc6/0x1e0 [ 3237.988936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3237.988936][ T10] [ 3237.990757][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3237.991000][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3237.991000][ T10] netdev_get_by_index+0x5e/0x80 [ 3237.991000][ T10] fib6_nh_init+0x3d8/0x1580 [ 3237.991000][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3237.991000][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3237.991000][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3237.991000][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3237.991000][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3237.991000][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3237.991000][ T10] addrconf_dad_begin+0x310/0x670 [ 3237.991000][ T10] addrconf_dad_work+0x10b/0xab0 [ 3237.991000][ T10] process_one_work+0x84d/0x18a0 [ 3237.991000][ T10] worker_thread+0x587/0xd30 [ 3237.991000][ T10] kthread+0x28a/0x350 [ 3237.991000][ T10] ret_from_fork+0x31/0x70 [ 3237.991000][ T10] ret_from_fork_asm+0x1a/0x30 [ 3237.991000][ T10] [ 3237.993174][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3237.993174][ T10] netdev_get_by_index+0x5e/0x80 [ 3237.993174][ T10] fib6_nh_init+0x3d8/0x1580 [ 3237.993174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3237.993174][ T10] ip6_route_add+0x1c/0x140 [ 3237.993174][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3237.993174][ T10] inet6_addr_add+0x4f8/0xa40 [ 3237.993174][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3237.993174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3237.993174][ T10] netlink_rcv_skb+0x130/0x360 [ 3237.993174][ T10] netlink_unicast+0x449/0x710 [ 3237.993174][ T10] netlink_sendmsg+0x723/0xbe0 [ 3237.993174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3237.993174][ T10] ___sys_sendmsg+0xee/0x170 [ 3237.993174][ T10] __sys_sendmsg+0xcd/0x170 [ 3237.993174][ T10] do_syscall_64+0xc6/0x1e0 [ 3237.993174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3237.993174][ T10] [ 3237.995413][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3237.995413][ T10] netdev_get_by_index+0x5e/0x80 [ 3237.995413][ T10] fib6_nh_init+0x3d8/0x1580 [ 3237.995413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3237.995413][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3237.995413][ T10] ipv6_add_addr+0x411/0x2000 [ 3237.995413][ T10] inet6_addr_add+0x30e/0xa40 [ 3237.995413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3237.995413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3237.995413][ T10] netlink_rcv_skb+0x130/0x360 [ 3237.995413][ T10] netlink_unicast+0x449/0x710 [ 3237.995413][ T10] netlink_sendmsg+0x723/0xbe0 [ 3237.995413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3237.995413][ T10] ___sys_sendmsg+0xee/0x170 [ 3237.995413][ T10] __sys_sendmsg+0xcd/0x170 [ 3237.995413][ T10] do_syscall_64+0xc6/0x1e0 [ 3237.995413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3237.995413][ T10] [ 3237.997659][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3237.997659][ T10] netdev_get_by_index+0x5e/0x80 [ 3237.997659][ T10] fib6_nh_init+0x3d8/0x1580 [ 3237.997659][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3237.997659][ T10] ip6_route_add+0x1c/0x140 [ 3237.997659][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3237.997659][ T10] addrconf_add_dev+0xe2/0x170 [ 3237.997659][ T10] inet6_addr_add+0x12f/0xa40 [ 3237.997659][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3237.997659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3237.997659][ T10] netlink_rcv_skb+0x130/0x360 [ 3237.997659][ T10] netlink_unicast+0x449/0x710 [ 3237.997659][ T10] netlink_sendmsg+0x723/0xbe0 [ 3237.997659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3237.997659][ T10] ___sys_sendmsg+0xee/0x170 [ 3237.997659][ T10] __sys_sendmsg+0xcd/0x170 [ 3237.997659][ T10] do_syscall_64+0xc6/0x1e0 [ 3237.997659][ T10] [ 3237.999902][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3237.999902][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3237.999902][ T10] ipv6_find_idev+0x102/0x170 [ 3237.999902][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3237.999902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3237.999902][ T10] netlink_rcv_skb+0x130/0x360 [ 3237.999902][ T10] netlink_unicast+0x449/0x710 [ 3237.999902][ T10] netlink_sendmsg+0x723/0xbe0 [ 3237.999902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3237.999902][ T10] ___sys_sendmsg+0xee/0x170 [ 3237.999902][ T10] __sys_sendmsg+0xcd/0x170 [ 3237.999902][ T10] do_syscall_64+0xc6/0x1e0 [ 3237.999902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3237.999902][ T10] [ 3238.001609][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3238.001609][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3238.001609][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3238.001609][ T10] ipv6_find_idev+0x102/0x170 [ 3238.001609][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3238.001609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3238.001609][ T10] netlink_rcv_skb+0x130/0x360 [ 3238.001609][ T10] netlink_unicast+0x449/0x710 [ 3238.001609][ T10] netlink_sendmsg+0x723/0xbe0 [ 3238.001609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3238.001609][ T10] ___sys_sendmsg+0xee/0x170 [ 3238.001609][ T10] __sys_sendmsg+0xcd/0x170 [ 3238.001609][ T10] do_syscall_64+0xc6/0x1e0 [ 3238.001609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3238.001609][ T10] [ 3239.233099][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3239.233748][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3239.233748][ T1167] dst_init+0x84/0x4a0 [ 3239.233748][ T1167] dst_alloc+0x97/0x150 [ 3239.233748][ T1167] ip6_dst_alloc+0x23/0x90 [ 3239.233748][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3239.233748][ T1167] ip6_pol_route+0x56f/0x840 [ 3239.233748][ T1167] fib6_rule_lookup+0x334/0x630 [ 3239.233748][ T1167] ip6_route_output_flags+0x259/0x480 [ 3239.233748][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3239.233748][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3239.233748][ T1167] netlink_rcv_skb+0x130/0x360 [ 3239.233748][ T1167] netlink_unicast+0x449/0x710 [ 3239.233748][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3239.233748][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3239.233748][ T1167] ___sys_sendmsg+0xee/0x170 [ 3239.233748][ T1167] __sys_sendmsg+0xcd/0x170 [ 3239.233748][ T1167] do_syscall_64+0xc6/0x1e0 [ 3239.233748][ T1167] [ 3239.237527][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3239.237527][ T1167] netdev_get_by_index+0x5e/0x80 [ 3239.237527][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3239.237527][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3239.237527][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3239.237527][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3239.237527][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3239.237527][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3239.237527][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3239.237527][ T1167] addrconf_dad_begin+0x310/0x670 [ 3239.237527][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3239.237527][ T1167] process_one_work+0x84d/0x18a0 [ 3239.237527][ T1167] worker_thread+0x587/0xd30 [ 3239.237527][ T1167] kthread+0x28a/0x350 [ 3239.237527][ T1167] ret_from_fork+0x31/0x70 [ 3239.237527][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3239.237527][ T1167] [ 3239.240898][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3239.240898][ T1167] netdev_get_by_index+0x5e/0x80 [ 3239.240898][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3239.240898][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3239.240898][ T1167] ip6_route_add+0x1c/0x140 [ 3239.240898][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3239.240898][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3239.240898][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3239.240898][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3239.240898][ T1167] netlink_rcv_skb+0x130/0x360 [ 3239.240898][ T1167] netlink_unicast+0x449/0x710 [ 3239.240898][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3239.240898][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3239.240898][ T1167] ___sys_sendmsg+0xee/0x170 [ 3239.240898][ T1167] __sys_sendmsg+0xcd/0x170 [ 3239.240898][ T1167] do_syscall_64+0xc6/0x1e0 [ 3239.240898][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3239.240898][ T1167] [ 3239.244444][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3239.244444][ T1167] netdev_get_by_index+0x5e/0x80 [ 3239.244444][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3239.244444][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3239.244444][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3239.244444][ T1167] ipv6_add_addr+0x411/0x2000 [ 3239.244444][ T1167] inet6_addr_add+0x30e/0xa40 [ 3239.244444][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3239.244444][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3239.244444][ T1167] netlink_rcv_skb+0x130/0x360 [ 3239.244444][ T1167] netlink_unicast+0x449/0x710 [ 3239.244444][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3239.244444][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3239.244444][ T1167] ___sys_sendmsg+0xee/0x170 [ 3239.244444][ T1167] __sys_sendmsg+0xcd/0x170 [ 3239.244444][ T1167] do_syscall_64+0xc6/0x1e0 [ 3239.244444][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3239.244444][ T1167] [ 3239.248036][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3239.248036][ T1167] netdev_get_by_index+0x5e/0x80 [ 3239.248036][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3239.248036][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3239.248036][ T1167] ip6_route_add+0x1c/0x140 [ 3239.248036][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3239.248036][ T1167] addrconf_add_dev+0xe2/0x170 [ 3239.248036][ T1167] inet6_addr_add+0x12f/0xa40 [ 3239.248036][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3239.248036][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3239.248036][ T1167] netlink_rcv_skb+0x130/0x360 [ 3239.248036][ T1167] netlink_unicast+0x449/0x710 [ 3239.248036][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3239.248036][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3239.248036][ T1167] ___sys_sendmsg+0xee/0x170 [ 3239.248036][ T1167] __sys_sendmsg+0xcd/0x170 [ 3239.248036][ T1167] do_syscall_64+0xc6/0x1e0 [ 3239.248036][ T1167] [ 3239.251434][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3239.251434][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3239.251434][ T1167] ipv6_find_idev+0x102/0x170 [ 3239.251434][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3239.251434][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3239.251434][ T1167] netlink_rcv_skb+0x130/0x360 [ 3239.251434][ T1167] netlink_unicast+0x449/0x710 [ 3239.251434][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3239.251434][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3239.251434][ T1167] ___sys_sendmsg+0xee/0x170 [ 3239.251434][ T1167] __sys_sendmsg+0xcd/0x170 [ 3239.251434][ T1167] do_syscall_64+0xc6/0x1e0 [ 3239.251434][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3239.251434][ T1167] [ 3239.253637][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3239.253637][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3239.253637][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3239.253637][ T1167] ipv6_find_idev+0x102/0x170 [ 3239.253637][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3239.253637][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3239.253637][ T1167] netlink_rcv_skb+0x130/0x360 [ 3239.253637][ T1167] netlink_unicast+0x449/0x710 [ 3239.253637][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3239.253637][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3239.253637][ T1167] ___sys_sendmsg+0xee/0x170 [ 3239.253637][ T1167] __sys_sendmsg+0xcd/0x170 [ 3239.253637][ T1167] do_syscall_64+0xc6/0x1e0 [ 3239.253637][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3239.253637][ T1167] [ 3248.241119][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3248.241524][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3248.241524][ T10] netdev_get_by_index+0x5e/0x80 [ 3248.241524][ T10] fib6_nh_init+0x3d8/0x1580 [ 3248.241524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3248.241524][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3248.241524][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3248.241524][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3248.241524][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3248.241524][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3248.241524][ T10] addrconf_dad_begin+0x310/0x670 [ 3248.241524][ T10] addrconf_dad_work+0x10b/0xab0 [ 3248.241524][ T10] process_one_work+0x84d/0x18a0 [ 3248.241524][ T10] worker_thread+0x587/0xd30 [ 3248.241524][ T10] kthread+0x28a/0x350 [ 3248.241524][ T10] ret_from_fork+0x31/0x70 [ 3248.241524][ T10] ret_from_fork_asm+0x1a/0x30 [ 3248.241524][ T10] [ 3248.243491][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3248.243491][ T10] netdev_get_by_index+0x5e/0x80 [ 3248.243491][ T10] fib6_nh_init+0x3d8/0x1580 [ 3248.243491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3248.243491][ T10] ip6_route_add+0x1c/0x140 [ 3248.243491][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3248.243491][ T10] inet6_addr_add+0x4f8/0xa40 [ 3248.243491][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3248.243491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3248.243491][ T10] netlink_rcv_skb+0x130/0x360 [ 3248.243491][ T10] netlink_unicast+0x449/0x710 [ 3248.243491][ T10] netlink_sendmsg+0x723/0xbe0 [ 3248.243491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3248.243491][ T10] ___sys_sendmsg+0xee/0x170 [ 3248.243491][ T10] __sys_sendmsg+0xcd/0x170 [ 3248.243491][ T10] do_syscall_64+0xc6/0x1e0 [ 3248.243491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3248.243491][ T10] [ 3248.245494][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3248.245494][ T10] netdev_get_by_index+0x5e/0x80 [ 3248.245494][ T10] fib6_nh_init+0x3d8/0x1580 [ 3248.245494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3248.245494][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3248.245494][ T10] ipv6_add_addr+0x411/0x2000 [ 3248.245494][ T10] inet6_addr_add+0x30e/0xa40 [ 3248.245494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3248.245494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3248.245494][ T10] netlink_rcv_skb+0x130/0x360 [ 3248.245494][ T10] netlink_unicast+0x449/0x710 [ 3248.245494][ T10] netlink_sendmsg+0x723/0xbe0 [ 3248.245494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3248.245494][ T10] ___sys_sendmsg+0xee/0x170 [ 3248.245494][ T10] __sys_sendmsg+0xcd/0x170 [ 3248.245494][ T10] do_syscall_64+0xc6/0x1e0 [ 3248.245494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3248.245494][ T10] [ 3248.247478][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3248.247478][ T10] netdev_get_by_index+0x5e/0x80 [ 3248.247478][ T10] fib6_nh_init+0x3d8/0x1580 [ 3248.247478][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3248.247478][ T10] ip6_route_add+0x1c/0x140 [ 3248.247478][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3248.247478][ T10] addrconf_add_dev+0xe2/0x170 [ 3248.247478][ T10] inet6_addr_add+0x12f/0xa40 [ 3248.247478][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3248.247478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3248.247478][ T10] netlink_rcv_skb+0x130/0x360 [ 3248.247478][ T10] netlink_unicast+0x449/0x710 [ 3248.247478][ T10] netlink_sendmsg+0x723/0xbe0 [ 3248.247478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3248.247478][ T10] ___sys_sendmsg+0xee/0x170 [ 3248.247478][ T10] __sys_sendmsg+0xcd/0x170 [ 3248.247478][ T10] do_syscall_64+0xc6/0x1e0 [ 3248.247478][ T10] [ 3248.249416][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3248.249416][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3248.249416][ T10] ipv6_find_idev+0x102/0x170 [ 3248.249416][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3248.249416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3248.249416][ T10] netlink_rcv_skb+0x130/0x360 [ 3248.249416][ T10] netlink_unicast+0x449/0x710 [ 3248.249416][ T10] netlink_sendmsg+0x723/0xbe0 [ 3248.249416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3248.249416][ T10] ___sys_sendmsg+0xee/0x170 [ 3248.249416][ T10] __sys_sendmsg+0xcd/0x170 [ 3248.249416][ T10] do_syscall_64+0xc6/0x1e0 [ 3248.249416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3248.249416][ T10] [ 3248.250939][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3248.250939][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3248.250939][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3248.250939][ T10] ipv6_find_idev+0x102/0x170 [ 3248.250939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3248.250939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3248.250939][ T10] netlink_rcv_skb+0x130/0x360 [ 3248.250939][ T10] netlink_unicast+0x449/0x710 [ 3248.250939][ T10] netlink_sendmsg+0x723/0xbe0 [ 3248.250939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3248.250939][ T10] ___sys_sendmsg+0xee/0x170 [ 3248.250939][ T10] __sys_sendmsg+0xcd/0x170 [ 3248.250939][ T10] do_syscall_64+0xc6/0x1e0 [ 3248.250939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3248.250939][ T10] [ 3248.252609][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3248.252859][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3248.252859][ T10] netdev_get_by_index+0x5e/0x80 [ 3248.252859][ T10] fib6_nh_init+0x3d8/0x1580 [ 3248.252859][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3248.252859][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3248.252859][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3248.252859][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3248.252859][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3248.252859][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3248.252859][ T10] addrconf_dad_begin+0x310/0x670 [ 3248.252859][ T10] addrconf_dad_work+0x10b/0xab0 [ 3248.252859][ T10] process_one_work+0x84d/0x18a0 [ 3248.252859][ T10] worker_thread+0x587/0xd30 [ 3248.252859][ T10] kthread+0x28a/0x350 [ 3248.252859][ T10] ret_from_fork+0x31/0x70 [ 3248.252859][ T10] ret_from_fork_asm+0x1a/0x30 [ 3248.252859][ T10] [ 3248.254758][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3248.254758][ T10] netdev_get_by_index+0x5e/0x80 [ 3248.254758][ T10] fib6_nh_init+0x3d8/0x1580 [ 3248.254758][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3248.254758][ T10] ip6_route_add+0x1c/0x140 [ 3248.254758][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3248.254758][ T10] inet6_addr_add+0x4f8/0xa40 [ 3248.254758][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3248.254758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3248.254758][ T10] netlink_rcv_skb+0x130/0x360 [ 3248.254758][ T10] netlink_unicast+0x449/0x710 [ 3248.254758][ T10] netlink_sendmsg+0x723/0xbe0 [ 3248.254758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3248.254758][ T10] ___sys_sendmsg+0xee/0x170 [ 3248.254758][ T10] __sys_sendmsg+0xcd/0x170 [ 3248.254758][ T10] do_syscall_64+0xc6/0x1e0 [ 3248.254758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3248.254758][ T10] [ 3248.256738][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3248.256738][ T10] netdev_get_by_index+0x5e/0x80 [ 3248.256738][ T10] fib6_nh_init+0x3d8/0x1580 [ 3248.256738][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3248.256738][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3248.256738][ T10] ipv6_add_addr+0x411/0x2000 [ 3248.256738][ T10] inet6_addr_add+0x30e/0xa40 [ 3248.256738][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3248.256738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3248.256738][ T10] netlink_rcv_skb+0x130/0x360 [ 3248.256738][ T10] netlink_unicast+0x449/0x710 [ 3248.256738][ T10] netlink_sendmsg+0x723/0xbe0 [ 3248.256738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3248.256738][ T10] ___sys_sendmsg+0xee/0x170 [ 3248.256738][ T10] __sys_sendmsg+0xcd/0x170 [ 3248.256738][ T10] do_syscall_64+0xc6/0x1e0 [ 3248.256738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3248.256738][ T10] [ 3248.258727][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3248.258727][ T10] netdev_get_by_index+0x5e/0x80 [ 3248.258727][ T10] fib6_nh_init+0x3d8/0x1580 [ 3248.258727][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3248.258727][ T10] ip6_route_add+0x1c/0x140 [ 3248.258727][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3248.258727][ T10] addrconf_add_dev+0xe2/0x170 [ 3248.258727][ T10] inet6_addr_add+0x12f/0xa40 [ 3248.258727][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3248.258727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3248.258727][ T10] netlink_rcv_skb+0x130/0x360 [ 3248.258727][ T10] netlink_unicast+0x449/0x710 [ 3248.258727][ T10] netlink_sendmsg+0x723/0xbe0 [ 3248.258727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3248.258727][ T10] ___sys_sendmsg+0xee/0x170 [ 3248.258727][ T10] __sys_sendmsg+0xcd/0x170 [ 3248.258727][ T10] do_syscall_64+0xc6/0x1e0 [ 3248.258727][ T10] [ 3248.260731][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3248.260731][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3248.260731][ T10] ipv6_find_idev+0x102/0x170 [ 3248.260731][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3248.260731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3248.260731][ T10] netlink_rcv_skb+0x130/0x360 [ 3248.260731][ T10] netlink_unicast+0x449/0x710 [ 3248.260731][ T10] netlink_sendmsg+0x723/0xbe0 [ 3248.260731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3248.260731][ T10] ___sys_sendmsg+0xee/0x170 [ 3248.260731][ T10] __sys_sendmsg+0xcd/0x170 [ 3248.260731][ T10] do_syscall_64+0xc6/0x1e0 [ 3248.260731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3248.260731][ T10] [ 3248.262264][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3248.262264][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3248.262264][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3248.262264][ T10] ipv6_find_idev+0x102/0x170 [ 3248.262264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3248.262264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3248.262264][ T10] netlink_rcv_skb+0x130/0x360 [ 3248.262264][ T10] netlink_unicast+0x449/0x710 [ 3248.262264][ T10] netlink_sendmsg+0x723/0xbe0 [ 3248.262264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3248.262264][ T10] ___sys_sendmsg+0xee/0x170 [ 3248.262264][ T10] __sys_sendmsg+0xcd/0x170 [ 3248.262264][ T10] do_syscall_64+0xc6/0x1e0 [ 3248.262264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3248.262264][ T10] [ 3248.263948][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3248.264200][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3248.264200][ T10] netdev_get_by_index+0x5e/0x80 [ 3248.264200][ T10] fib6_nh_init+0x3d8/0x1580 [ 3248.264200][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3248.264200][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3248.264200][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3248.264200][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3248.264200][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3248.264200][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3248.264200][ T10] addrconf_dad_begin+0x310/0x670 [ 3248.264200][ T10] addrconf_dad_work+0x10b/0xab0 [ 3248.264200][ T10] process_one_work+0x84d/0x18a0 [ 3248.264200][ T10] worker_thread+0x587/0xd30 [ 3248.264200][ T10] kthread+0x28a/0x350 [ 3248.264200][ T10] ret_from_fork+0x31/0x70 [ 3248.264200][ T10] ret_from_fork_asm+0x1a/0x30 [ 3248.264200][ T10] [ 3248.266103][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3248.266103][ T10] netdev_get_by_index+0x5e/0x80 [ 3248.266103][ T10] fib6_nh_init+0x3d8/0x1580 [ 3248.266103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3248.266103][ T10] ip6_route_add+0x1c/0x140 [ 3248.266103][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3248.266103][ T10] inet6_addr_add+0x4f8/0xa40 [ 3248.266103][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3248.266103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3248.266103][ T10] netlink_rcv_skb+0x130/0x360 [ 3248.266103][ T10] netlink_unicast+0x449/0x710 [ 3248.266103][ T10] netlink_sendmsg+0x723/0xbe0 [ 3248.266103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3248.266103][ T10] ___sys_sendmsg+0xee/0x170 [ 3248.266103][ T10] __sys_sendmsg+0xcd/0x170 [ 3248.266103][ T10] do_syscall_64+0xc6/0x1e0 [ 3248.266103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3248.266103][ T10] [ 3248.268279][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3248.268279][ T10] netdev_get_by_index+0x5e/0x80 [ 3248.268279][ T10] fib6_nh_init+0x3d8/0x1580 [ 3248.268279][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3248.268279][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3248.268279][ T10] ipv6_add_addr+0x411/0x2000 [ 3248.268279][ T10] inet6_addr_add+0x30e/0xa40 [ 3248.268279][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3248.268279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3248.268279][ T10] netlink_rcv_skb+0x130/0x360 [ 3248.268279][ T10] netlink_unicast+0x449/0x710 [ 3248.268279][ T10] netlink_sendmsg+0x723/0xbe0 [ 3248.268279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3248.268279][ T10] ___sys_sendmsg+0xee/0x170 [ 3248.268279][ T10] __sys_sendmsg+0xcd/0x170 [ 3248.268279][ T10] do_syscall_64+0xc6/0x1e0 [ 3248.268279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3248.268279][ T10] [ 3248.270522][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3248.270522][ T10] netdev_get_by_index+0x5e/0x80 [ 3248.270522][ T10] fib6_nh_init+0x3d8/0x1580 [ 3248.270522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3248.270522][ T10] ip6_route_add+0x1c/0x140 [ 3248.270522][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3248.270522][ T10] addrconf_add_dev+0xe2/0x170 [ 3248.270522][ T10] inet6_addr_add+0x12f/0xa40 [ 3248.270522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3248.270522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3248.270522][ T10] netlink_rcv_skb+0x130/0x360 [ 3248.270522][ T10] netlink_unicast+0x449/0x710 [ 3248.270522][ T10] netlink_sendmsg+0x723/0xbe0 [ 3248.270522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3248.270522][ T10] ___sys_sendmsg+0xee/0x170 [ 3248.270522][ T10] __sys_sendmsg+0xcd/0x170 [ 3248.270522][ T10] do_syscall_64+0xc6/0x1e0 [ 3248.270522][ T10] [ 3248.272795][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3248.272795][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3248.272795][ T10] ipv6_find_idev+0x102/0x170 [ 3248.272795][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3248.272795][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3248.272795][ T10] netlink_rcv_skb+0x130/0x360 [ 3248.272795][ T10] netlink_unicast+0x449/0x710 [ 3248.272795][ T10] netlink_sendmsg+0x723/0xbe0 [ 3248.272795][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3248.272795][ T10] ___sys_sendmsg+0xee/0x170 [ 3248.272795][ T10] __sys_sendmsg+0xcd/0x170 [ 3248.272795][ T10] do_syscall_64+0xc6/0x1e0 [ 3248.272795][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3248.272795][ T10] [ 3248.274513][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3248.274513][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3248.274513][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3248.274513][ T10] ipv6_find_idev+0x102/0x170 [ 3248.274513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3248.274513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3248.274513][ T10] netlink_rcv_skb+0x130/0x360 [ 3248.274513][ T10] netlink_unicast+0x449/0x710 [ 3248.274513][ T10] netlink_sendmsg+0x723/0xbe0 [ 3248.274513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3248.274513][ T10] ___sys_sendmsg+0xee/0x170 [ 3248.274513][ T10] __sys_sendmsg+0xcd/0x170 [ 3248.274513][ T10] do_syscall_64+0xc6/0x1e0 [ 3248.274513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3248.274513][ T10] [ 3248.276316][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3248.276550][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3248.276550][ T10] netdev_get_by_index+0x5e/0x80 [ 3248.276550][ T10] fib6_nh_init+0x3d8/0x1580 [ 3248.276550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3248.276550][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3248.276550][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3248.276550][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3248.276550][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3248.276550][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3248.276550][ T10] addrconf_dad_begin+0x310/0x670 [ 3248.276550][ T10] addrconf_dad_work+0x10b/0xab0 [ 3248.276550][ T10] process_one_work+0x84d/0x18a0 [ 3248.276550][ T10] worker_thread+0x587/0xd30 [ 3248.276550][ T10] kthread+0x28a/0x350 [ 3248.276550][ T10] ret_from_fork+0x31/0x70 [ 3248.276550][ T10] ret_from_fork_asm+0x1a/0x30 [ 3248.276550][ T10] [ 3248.278700][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3248.278700][ T10] netdev_get_by_index+0x5e/0x80 [ 3248.278700][ T10] fib6_nh_init+0x3d8/0x1580 [ 3248.278700][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3248.278700][ T10] ip6_route_add+0x1c/0x140 [ 3248.278700][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3248.278700][ T10] inet6_addr_add+0x4f8/0xa40 [ 3248.278700][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3248.278700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3248.278700][ T10] netlink_rcv_skb+0x130/0x360 [ 3248.278700][ T10] netlink_unicast+0x449/0x710 [ 3248.278700][ T10] netlink_sendmsg+0x723/0xbe0 [ 3248.278700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3248.278700][ T10] ___sys_sendmsg+0xee/0x170 [ 3248.278700][ T10] __sys_sendmsg+0xcd/0x170 [ 3248.278700][ T10] do_syscall_64+0xc6/0x1e0 [ 3248.278700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3248.278700][ T10] [ 3248.281008][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3248.281008][ T10] netdev_get_by_index+0x5e/0x80 [ 3248.281008][ T10] fib6_nh_init+0x3d8/0x1580 [ 3248.281008][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3248.281008][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3248.281008][ T10] ipv6_add_addr+0x411/0x2000 [ 3248.281008][ T10] inet6_addr_add+0x30e/0xa40 [ 3248.281008][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3248.281008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3248.281008][ T10] netlink_rcv_skb+0x130/0x360 [ 3248.281008][ T10] netlink_unicast+0x449/0x710 [ 3248.281008][ T10] netlink_sendmsg+0x723/0xbe0 [ 3248.281008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3248.281008][ T10] ___sys_sendmsg+0xee/0x170 [ 3248.281008][ T10] __sys_sendmsg+0xcd/0x170 [ 3248.281008][ T10] do_syscall_64+0xc6/0x1e0 [ 3248.281008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3248.281008][ T10] [ 3248.283192][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3248.283192][ T10] netdev_get_by_index+0x5e/0x80 [ 3248.283192][ T10] fib6_nh_init+0x3d8/0x1580 [ 3248.283192][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3248.283192][ T10] ip6_route_add+0x1c/0x140 [ 3248.283192][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3248.283192][ T10] addrconf_add_dev+0xe2/0x170 [ 3248.283192][ T10] inet6_addr_add+0x12f/0xa40 [ 3248.283192][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3248.283192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3248.283192][ T10] netlink_rcv_skb+0x130/0x360 [ 3248.283192][ T10] netlink_unicast+0x449/0x710 [ 3248.283192][ T10] netlink_sendmsg+0x723/0xbe0 [ 3248.283192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3248.283192][ T10] ___sys_sendmsg+0xee/0x170 [ 3248.283192][ T10] __sys_sendmsg+0xcd/0x170 [ 3248.283192][ T10] do_syscall_64+0xc6/0x1e0 [ 3248.283192][ T10] [ 3248.285410][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3248.285410][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3248.285410][ T10] ipv6_find_idev+0x102/0x170 [ 3248.285410][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3248.285410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3248.285410][ T10] netlink_rcv_skb+0x130/0x360 [ 3248.285410][ T10] netlink_unicast+0x449/0x710 [ 3248.285410][ T10] netlink_sendmsg+0x723/0xbe0 [ 3248.285410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3248.285410][ T10] ___sys_sendmsg+0xee/0x170 [ 3248.285410][ T10] __sys_sendmsg+0xcd/0x170 [ 3248.285410][ T10] do_syscall_64+0xc6/0x1e0 [ 3248.285410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3248.285410][ T10] [ 3248.287124][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3248.287124][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3248.287124][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3248.287124][ T10] ipv6_find_idev+0x102/0x170 [ 3248.287124][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3248.287124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3248.287124][ T10] netlink_rcv_skb+0x130/0x360 [ 3248.287124][ T10] netlink_unicast+0x449/0x710 [ 3248.287124][ T10] netlink_sendmsg+0x723/0xbe0 [ 3248.287124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3248.287124][ T10] ___sys_sendmsg+0xee/0x170 [ 3248.287124][ T10] __sys_sendmsg+0xcd/0x170 [ 3248.287124][ T10] do_syscall_64+0xc6/0x1e0 [ 3248.287124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3248.287124][ T10] [ 3249.497079][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3249.497590][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3249.497590][ T1167] dst_init+0x84/0x4a0 [ 3249.497590][ T1167] dst_alloc+0x97/0x150 [ 3249.497590][ T1167] ip6_dst_alloc+0x23/0x90 [ 3249.497590][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3249.497590][ T1167] ip6_pol_route+0x56f/0x840 [ 3249.497590][ T1167] fib6_rule_lookup+0x334/0x630 [ 3249.497590][ T1167] ip6_route_output_flags+0x259/0x480 [ 3249.497590][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3249.497590][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3249.497590][ T1167] netlink_rcv_skb+0x130/0x360 [ 3249.497590][ T1167] netlink_unicast+0x449/0x710 [ 3249.497590][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3249.497590][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3249.497590][ T1167] ___sys_sendmsg+0xee/0x170 [ 3249.497590][ T1167] __sys_sendmsg+0xcd/0x170 [ 3249.497590][ T1167] do_syscall_64+0xc6/0x1e0 [ 3249.497590][ T1167] [ 3249.500491][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3249.500491][ T1167] netdev_get_by_index+0x5e/0x80 [ 3249.500491][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3249.500491][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3249.500491][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3249.500491][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3249.500491][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3249.500491][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3249.500491][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3249.500491][ T1167] addrconf_dad_begin+0x310/0x670 [ 3249.500491][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3249.500491][ T1167] process_one_work+0x84d/0x18a0 [ 3249.500491][ T1167] worker_thread+0x587/0xd30 [ 3249.500491][ T1167] kthread+0x28a/0x350 [ 3249.500491][ T1167] ret_from_fork+0x31/0x70 [ 3249.500491][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3249.500491][ T1167] [ 3249.502699][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3249.502699][ T1167] netdev_get_by_index+0x5e/0x80 [ 3249.502699][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3249.502699][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3249.502699][ T1167] ip6_route_add+0x1c/0x140 [ 3249.502699][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3249.502699][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3249.502699][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3249.502699][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3249.502699][ T1167] netlink_rcv_skb+0x130/0x360 [ 3249.502699][ T1167] netlink_unicast+0x449/0x710 [ 3249.502699][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3249.502699][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3249.502699][ T1167] ___sys_sendmsg+0xee/0x170 [ 3249.502699][ T1167] __sys_sendmsg+0xcd/0x170 [ 3249.502699][ T1167] do_syscall_64+0xc6/0x1e0 [ 3249.502699][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3249.502699][ T1167] [ 3249.504997][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3249.504997][ T1167] netdev_get_by_index+0x5e/0x80 [ 3249.504997][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3249.504997][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3249.504997][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3249.504997][ T1167] ipv6_add_addr+0x411/0x2000 [ 3249.504997][ T1167] inet6_addr_add+0x30e/0xa40 [ 3249.504997][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3249.504997][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3249.504997][ T1167] netlink_rcv_skb+0x130/0x360 [ 3249.504997][ T1167] netlink_unicast+0x449/0x710 [ 3249.504997][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3249.504997][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3249.504997][ T1167] ___sys_sendmsg+0xee/0x170 [ 3249.504997][ T1167] __sys_sendmsg+0xcd/0x170 [ 3249.504997][ T1167] do_syscall_64+0xc6/0x1e0 [ 3249.504997][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3249.504997][ T1167] [ 3249.507262][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3249.507262][ T1167] netdev_get_by_index+0x5e/0x80 [ 3249.507262][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3249.507262][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3249.507262][ T1167] ip6_route_add+0x1c/0x140 [ 3249.507262][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3249.507262][ T1167] addrconf_add_dev+0xe2/0x170 [ 3249.507262][ T1167] inet6_addr_add+0x12f/0xa40 [ 3249.507262][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3249.507262][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3249.507262][ T1167] netlink_rcv_skb+0x130/0x360 [ 3249.507262][ T1167] netlink_unicast+0x449/0x710 [ 3249.507262][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3249.507262][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3249.507262][ T1167] ___sys_sendmsg+0xee/0x170 [ 3249.507262][ T1167] __sys_sendmsg+0xcd/0x170 [ 3249.507262][ T1167] do_syscall_64+0xc6/0x1e0 [ 3249.507262][ T1167] [ 3249.509488][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3249.509488][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3249.509488][ T1167] ipv6_find_idev+0x102/0x170 [ 3249.509488][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3249.509488][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3249.509488][ T1167] netlink_rcv_skb+0x130/0x360 [ 3249.509488][ T1167] netlink_unicast+0x449/0x710 [ 3249.509488][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3249.509488][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3249.509488][ T1167] ___sys_sendmsg+0xee/0x170 [ 3249.509488][ T1167] __sys_sendmsg+0xcd/0x170 [ 3249.509488][ T1167] do_syscall_64+0xc6/0x1e0 [ 3249.509488][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3249.509488][ T1167] [ 3249.511229][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3249.511229][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3249.511229][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3249.511229][ T1167] ipv6_find_idev+0x102/0x170 [ 3249.511229][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3249.511229][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3249.511229][ T1167] netlink_rcv_skb+0x130/0x360 [ 3249.511229][ T1167] netlink_unicast+0x449/0x710 [ 3249.511229][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3249.511229][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3249.511229][ T1167] ___sys_sendmsg+0xee/0x170 [ 3249.511229][ T1167] __sys_sendmsg+0xcd/0x170 [ 3249.511229][ T1167] do_syscall_64+0xc6/0x1e0 [ 3249.511229][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3249.511229][ T1167] [ 3258.529055][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3258.529532][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3258.529532][ T10] netdev_get_by_index+0x5e/0x80 [ 3258.529532][ T10] fib6_nh_init+0x3d8/0x1580 [ 3258.529532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3258.529532][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3258.529532][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3258.529532][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3258.529532][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3258.529532][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3258.529532][ T10] addrconf_dad_begin+0x310/0x670 [ 3258.529532][ T10] addrconf_dad_work+0x10b/0xab0 [ 3258.529532][ T10] process_one_work+0x84d/0x18a0 [ 3258.529532][ T10] worker_thread+0x587/0xd30 [ 3258.529532][ T10] kthread+0x28a/0x350 [ 3258.529532][ T10] ret_from_fork+0x31/0x70 [ 3258.529532][ T10] ret_from_fork_asm+0x1a/0x30 [ 3258.529532][ T10] [ 3258.531582][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3258.531582][ T10] netdev_get_by_index+0x5e/0x80 [ 3258.531582][ T10] fib6_nh_init+0x3d8/0x1580 [ 3258.531582][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3258.531582][ T10] ip6_route_add+0x1c/0x140 [ 3258.531582][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3258.531582][ T10] inet6_addr_add+0x4f8/0xa40 [ 3258.531582][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3258.531582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3258.531582][ T10] netlink_rcv_skb+0x130/0x360 [ 3258.531582][ T10] netlink_unicast+0x449/0x710 [ 3258.531582][ T10] netlink_sendmsg+0x723/0xbe0 [ 3258.531582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3258.531582][ T10] ___sys_sendmsg+0xee/0x170 [ 3258.531582][ T10] __sys_sendmsg+0xcd/0x170 [ 3258.531582][ T10] do_syscall_64+0xc6/0x1e0 [ 3258.531582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3258.531582][ T10] [ 3258.533707][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3258.533707][ T10] netdev_get_by_index+0x5e/0x80 [ 3258.533707][ T10] fib6_nh_init+0x3d8/0x1580 [ 3258.533707][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3258.533707][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3258.533707][ T10] ipv6_add_addr+0x411/0x2000 [ 3258.533707][ T10] inet6_addr_add+0x30e/0xa40 [ 3258.533707][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3258.533707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3258.533707][ T10] netlink_rcv_skb+0x130/0x360 [ 3258.533707][ T10] netlink_unicast+0x449/0x710 [ 3258.533707][ T10] netlink_sendmsg+0x723/0xbe0 [ 3258.533707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3258.533707][ T10] ___sys_sendmsg+0xee/0x170 [ 3258.533707][ T10] __sys_sendmsg+0xcd/0x170 [ 3258.533707][ T10] do_syscall_64+0xc6/0x1e0 [ 3258.533707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3258.533707][ T10] [ 3258.536353][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3258.536353][ T10] netdev_get_by_index+0x5e/0x80 [ 3258.536353][ T10] fib6_nh_init+0x3d8/0x1580 [ 3258.536353][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3258.536353][ T10] ip6_route_add+0x1c/0x140 [ 3258.536353][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3258.536353][ T10] addrconf_add_dev+0xe2/0x170 [ 3258.536353][ T10] inet6_addr_add+0x12f/0xa40 [ 3258.536353][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3258.536353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3258.536353][ T10] netlink_rcv_skb+0x130/0x360 [ 3258.536353][ T10] netlink_unicast+0x449/0x710 [ 3258.536353][ T10] netlink_sendmsg+0x723/0xbe0 [ 3258.536353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3258.536353][ T10] ___sys_sendmsg+0xee/0x170 [ 3258.536353][ T10] __sys_sendmsg+0xcd/0x170 [ 3258.536353][ T10] do_syscall_64+0xc6/0x1e0 [ 3258.536353][ T10] [ 3258.539036][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3258.539036][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3258.539036][ T10] ipv6_find_idev+0x102/0x170 [ 3258.539036][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3258.539036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3258.539036][ T10] netlink_rcv_skb+0x130/0x360 [ 3258.539036][ T10] netlink_unicast+0x449/0x710 [ 3258.539036][ T10] netlink_sendmsg+0x723/0xbe0 [ 3258.539036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3258.539036][ T10] ___sys_sendmsg+0xee/0x170 [ 3258.539036][ T10] __sys_sendmsg+0xcd/0x170 [ 3258.539036][ T10] do_syscall_64+0xc6/0x1e0 [ 3258.539036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3258.539036][ T10] [ 3258.540889][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3258.540889][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3258.540889][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3258.540889][ T10] ipv6_find_idev+0x102/0x170 [ 3258.540889][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3258.540889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3258.540889][ T10] netlink_rcv_skb+0x130/0x360 [ 3258.540889][ T10] netlink_unicast+0x449/0x710 [ 3258.540889][ T10] netlink_sendmsg+0x723/0xbe0 [ 3258.540889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3258.540889][ T10] ___sys_sendmsg+0xee/0x170 [ 3258.540889][ T10] __sys_sendmsg+0xcd/0x170 [ 3258.540889][ T10] do_syscall_64+0xc6/0x1e0 [ 3258.540889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3258.540889][ T10] [ 3258.542904][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3258.543195][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3258.543195][ T10] netdev_get_by_index+0x5e/0x80 [ 3258.543195][ T10] fib6_nh_init+0x3d8/0x1580 [ 3258.543195][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3258.543195][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3258.543195][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3258.543195][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3258.543195][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3258.543195][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3258.543195][ T10] addrconf_dad_begin+0x310/0x670 [ 3258.543195][ T10] addrconf_dad_work+0x10b/0xab0 [ 3258.543195][ T10] process_one_work+0x84d/0x18a0 [ 3258.543195][ T10] worker_thread+0x587/0xd30 [ 3258.543195][ T10] kthread+0x28a/0x350 [ 3258.543195][ T10] ret_from_fork+0x31/0x70 [ 3258.543195][ T10] ret_from_fork_asm+0x1a/0x30 [ 3258.543195][ T10] [ 3258.545414][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3258.545414][ T10] netdev_get_by_index+0x5e/0x80 [ 3258.545414][ T10] fib6_nh_init+0x3d8/0x1580 [ 3258.545414][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3258.545414][ T10] ip6_route_add+0x1c/0x140 [ 3258.545414][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3258.545414][ T10] inet6_addr_add+0x4f8/0xa40 [ 3258.545414][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3258.545414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3258.545414][ T10] netlink_rcv_skb+0x130/0x360 [ 3258.545414][ T10] netlink_unicast+0x449/0x710 [ 3258.545414][ T10] netlink_sendmsg+0x723/0xbe0 [ 3258.545414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3258.545414][ T10] ___sys_sendmsg+0xee/0x170 [ 3258.545414][ T10] __sys_sendmsg+0xcd/0x170 [ 3258.545414][ T10] do_syscall_64+0xc6/0x1e0 [ 3258.545414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3258.545414][ T10] [ 3258.547837][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3258.547837][ T10] netdev_get_by_index+0x5e/0x80 [ 3258.547837][ T10] fib6_nh_init+0x3d8/0x1580 [ 3258.547837][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3258.547837][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3258.547837][ T10] ipv6_add_addr+0x411/0x2000 [ 3258.547837][ T10] inet6_addr_add+0x30e/0xa40 [ 3258.547837][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3258.547837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3258.547837][ T10] netlink_rcv_skb+0x130/0x360 [ 3258.547837][ T10] netlink_unicast+0x449/0x710 [ 3258.547837][ T10] netlink_sendmsg+0x723/0xbe0 [ 3258.547837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3258.547837][ T10] ___sys_sendmsg+0xee/0x170 [ 3258.547837][ T10] __sys_sendmsg+0xcd/0x170 [ 3258.547837][ T10] do_syscall_64+0xc6/0x1e0 [ 3258.547837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3258.547837][ T10] [ 3258.550353][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3258.550353][ T10] netdev_get_by_index+0x5e/0x80 [ 3258.550353][ T10] fib6_nh_init+0x3d8/0x1580 [ 3258.550353][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3258.550353][ T10] ip6_route_add+0x1c/0x140 [ 3258.550353][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3258.550353][ T10] addrconf_add_dev+0xe2/0x170 [ 3258.550353][ T10] inet6_addr_add+0x12f/0xa40 [ 3258.550353][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3258.550353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3258.550353][ T10] netlink_rcv_skb+0x130/0x360 [ 3258.550353][ T10] netlink_unicast+0x449/0x710 [ 3258.550353][ T10] netlink_sendmsg+0x723/0xbe0 [ 3258.550353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3258.550353][ T10] ___sys_sendmsg+0xee/0x170 [ 3258.550353][ T10] __sys_sendmsg+0xcd/0x170 [ 3258.550353][ T10] do_syscall_64+0xc6/0x1e0 [ 3258.550353][ T10] [ 3258.552713][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3258.552713][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3258.552713][ T10] ipv6_find_idev+0x102/0x170 [ 3258.552713][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3258.552713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3258.552713][ T10] netlink_rcv_skb+0x130/0x360 [ 3258.552713][ T10] netlink_unicast+0x449/0x710 [ 3258.552713][ T10] netlink_sendmsg+0x723/0xbe0 [ 3258.552713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3258.552713][ T10] ___sys_sendmsg+0xee/0x170 [ 3258.552713][ T10] __sys_sendmsg+0xcd/0x170 [ 3258.552713][ T10] do_syscall_64+0xc6/0x1e0 [ 3258.552713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3258.552713][ T10] [ 3258.554598][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3258.554598][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3258.554598][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3258.554598][ T10] ipv6_find_idev+0x102/0x170 [ 3258.554598][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3258.554598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3258.554598][ T10] netlink_rcv_skb+0x130/0x360 [ 3258.554598][ T10] netlink_unicast+0x449/0x710 [ 3258.554598][ T10] netlink_sendmsg+0x723/0xbe0 [ 3258.554598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3258.554598][ T10] ___sys_sendmsg+0xee/0x170 [ 3258.554598][ T10] __sys_sendmsg+0xcd/0x170 [ 3258.554598][ T10] do_syscall_64+0xc6/0x1e0 [ 3258.554598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3258.554598][ T10] [ 3258.556691][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3258.557006][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3258.557006][ T10] netdev_get_by_index+0x5e/0x80 [ 3258.557006][ T10] fib6_nh_init+0x3d8/0x1580 [ 3258.557006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3258.557006][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3258.557006][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3258.557006][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3258.557006][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3258.557006][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3258.557006][ T10] addrconf_dad_begin+0x310/0x670 [ 3258.557006][ T10] addrconf_dad_work+0x10b/0xab0 [ 3258.557006][ T10] process_one_work+0x84d/0x18a0 [ 3258.557006][ T10] worker_thread+0x587/0xd30 [ 3258.557006][ T10] kthread+0x28a/0x350 [ 3258.557006][ T10] ret_from_fork+0x31/0x70 [ 3258.557006][ T10] ret_from_fork_asm+0x1a/0x30 [ 3258.557006][ T10] [ 3258.559278][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3258.559278][ T10] netdev_get_by_index+0x5e/0x80 [ 3258.559278][ T10] fib6_nh_init+0x3d8/0x1580 [ 3258.559278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3258.559278][ T10] ip6_route_add+0x1c/0x140 [ 3258.559278][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3258.559278][ T10] inet6_addr_add+0x4f8/0xa40 [ 3258.559278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3258.559278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3258.559278][ T10] netlink_rcv_skb+0x130/0x360 [ 3258.559278][ T10] netlink_unicast+0x449/0x710 [ 3258.559278][ T10] netlink_sendmsg+0x723/0xbe0 [ 3258.559278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3258.559278][ T10] ___sys_sendmsg+0xee/0x170 [ 3258.559278][ T10] __sys_sendmsg+0xcd/0x170 [ 3258.559278][ T10] do_syscall_64+0xc6/0x1e0 [ 3258.559278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3258.559278][ T10] [ 3258.561792][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3258.561792][ T10] netdev_get_by_index+0x5e/0x80 [ 3258.561792][ T10] fib6_nh_init+0x3d8/0x1580 [ 3258.561792][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3258.561792][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3258.561792][ T10] ipv6_add_addr+0x411/0x2000 [ 3258.561792][ T10] inet6_addr_add+0x30e/0xa40 [ 3258.561792][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3258.561792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3258.561792][ T10] netlink_rcv_skb+0x130/0x360 [ 3258.561792][ T10] netlink_unicast+0x449/0x710 [ 3258.561792][ T10] netlink_sendmsg+0x723/0xbe0 [ 3258.561792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3258.561792][ T10] ___sys_sendmsg+0xee/0x170 [ 3258.561792][ T10] __sys_sendmsg+0xcd/0x170 [ 3258.561792][ T10] do_syscall_64+0xc6/0x1e0 [ 3258.561792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3258.561792][ T10] [ 3258.564500][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3258.564500][ T10] netdev_get_by_index+0x5e/0x80 [ 3258.564500][ T10] fib6_nh_init+0x3d8/0x1580 [ 3258.564500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3258.564500][ T10] ip6_route_add+0x1c/0x140 [ 3258.564500][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3258.564500][ T10] addrconf_add_dev+0xe2/0x170 [ 3258.564500][ T10] inet6_addr_add+0x12f/0xa40 [ 3258.564500][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3258.564500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3258.564500][ T10] netlink_rcv_skb+0x130/0x360 [ 3258.564500][ T10] netlink_unicast+0x449/0x710 [ 3258.564500][ T10] netlink_sendmsg+0x723/0xbe0 [ 3258.564500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3258.564500][ T10] ___sys_sendmsg+0xee/0x170 [ 3258.564500][ T10] __sys_sendmsg+0xcd/0x170 [ 3258.564500][ T10] do_syscall_64+0xc6/0x1e0 [ 3258.564500][ T10] [ 3258.566987][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3258.566987][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3258.566987][ T10] ipv6_find_idev+0x102/0x170 [ 3258.566987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3258.566987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3258.566987][ T10] netlink_rcv_skb+0x130/0x360 [ 3258.566987][ T10] netlink_unicast+0x449/0x710 [ 3258.566987][ T10] netlink_sendmsg+0x723/0xbe0 [ 3258.566987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3258.566987][ T10] ___sys_sendmsg+0xee/0x170 [ 3258.566987][ T10] __sys_sendmsg+0xcd/0x170 [ 3258.566987][ T10] do_syscall_64+0xc6/0x1e0 [ 3258.566987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3258.566987][ T10] [ 3258.569056][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3258.569056][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3258.569056][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3258.569056][ T10] ipv6_find_idev+0x102/0x170 [ 3258.569056][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3258.569056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3258.569056][ T10] netlink_rcv_skb+0x130/0x360 [ 3258.569056][ T10] netlink_unicast+0x449/0x710 [ 3258.569056][ T10] netlink_sendmsg+0x723/0xbe0 [ 3258.569056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3258.569056][ T10] ___sys_sendmsg+0xee/0x170 [ 3258.569056][ T10] __sys_sendmsg+0xcd/0x170 [ 3258.569056][ T10] do_syscall_64+0xc6/0x1e0 [ 3258.569056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3258.569056][ T10] [ 3258.573722][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3258.574041][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3258.574041][ T10] netdev_get_by_index+0x5e/0x80 [ 3258.574041][ T10] fib6_nh_init+0x3d8/0x1580 [ 3258.574041][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3258.574041][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3258.574041][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3258.574041][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3258.574041][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3258.574041][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3258.574041][ T10] addrconf_dad_begin+0x310/0x670 [ 3258.574041][ T10] addrconf_dad_work+0x10b/0xab0 [ 3258.574041][ T10] process_one_work+0x84d/0x18a0 [ 3258.574041][ T10] worker_thread+0x587/0xd30 [ 3258.574041][ T10] kthread+0x28a/0x350 [ 3258.574041][ T10] ret_from_fork+0x31/0x70 [ 3258.574041][ T10] ret_from_fork_asm+0x1a/0x30 [ 3258.574041][ T10] [ 3258.576716][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3258.576716][ T10] netdev_get_by_index+0x5e/0x80 [ 3258.576716][ T10] fib6_nh_init+0x3d8/0x1580 [ 3258.576716][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3258.576716][ T10] ip6_route_add+0x1c/0x140 [ 3258.576716][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3258.576716][ T10] inet6_addr_add+0x4f8/0xa40 [ 3258.576716][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3258.576716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3258.576716][ T10] netlink_rcv_skb+0x130/0x360 [ 3258.576716][ T10] netlink_unicast+0x449/0x710 [ 3258.576716][ T10] netlink_sendmsg+0x723/0xbe0 [ 3258.576716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3258.576716][ T10] ___sys_sendmsg+0xee/0x170 [ 3258.576716][ T10] __sys_sendmsg+0xcd/0x170 [ 3258.576716][ T10] do_syscall_64+0xc6/0x1e0 [ 3258.576716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3258.576716][ T10] [ 3258.579499][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3258.579499][ T10] netdev_get_by_index+0x5e/0x80 [ 3258.579499][ T10] fib6_nh_init+0x3d8/0x1580 [ 3258.579499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3258.579499][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3258.579499][ T10] ipv6_add_addr+0x411/0x2000 [ 3258.579499][ T10] inet6_addr_add+0x30e/0xa40 [ 3258.579499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3258.579499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3258.579499][ T10] netlink_rcv_skb+0x130/0x360 [ 3258.579499][ T10] netlink_unicast+0x449/0x710 [ 3258.579499][ T10] netlink_sendmsg+0x723/0xbe0 [ 3258.579499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3258.579499][ T10] ___sys_sendmsg+0xee/0x170 [ 3258.579499][ T10] __sys_sendmsg+0xcd/0x170 [ 3258.579499][ T10] do_syscall_64+0xc6/0x1e0 [ 3258.579499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3258.579499][ T10] [ 3258.582142][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3258.582142][ T10] netdev_get_by_index+0x5e/0x80 [ 3258.582142][ T10] fib6_nh_init+0x3d8/0x1580 [ 3258.582142][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3258.582142][ T10] ip6_route_add+0x1c/0x140 [ 3258.582142][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3258.582142][ T10] addrconf_add_dev+0xe2/0x170 [ 3258.582142][ T10] inet6_addr_add+0x12f/0xa40 [ 3258.582142][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3258.582142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3258.582142][ T10] netlink_rcv_skb+0x130/0x360 [ 3258.582142][ T10] netlink_unicast+0x449/0x710 [ 3258.582142][ T10] netlink_sendmsg+0x723/0xbe0 [ 3258.582142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3258.582142][ T10] ___sys_sendmsg+0xee/0x170 [ 3258.582142][ T10] __sys_sendmsg+0xcd/0x170 [ 3258.582142][ T10] do_syscall_64+0xc6/0x1e0 [ 3258.582142][ T10] [ 3258.584741][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3258.584741][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3258.584741][ T10] ipv6_find_idev+0x102/0x170 [ 3258.584741][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3258.584741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3258.584741][ T10] netlink_rcv_skb+0x130/0x360 [ 3258.584741][ T10] netlink_unicast+0x449/0x710 [ 3258.584741][ T10] netlink_sendmsg+0x723/0xbe0 [ 3258.584741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3258.584741][ T10] ___sys_sendmsg+0xee/0x170 [ 3258.584741][ T10] __sys_sendmsg+0xcd/0x170 [ 3258.584741][ T10] do_syscall_64+0xc6/0x1e0 [ 3258.584741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3258.584741][ T10] [ 3258.586747][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3258.586747][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3258.586747][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3258.586747][ T10] ipv6_find_idev+0x102/0x170 [ 3258.586747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3258.586747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3258.586747][ T10] netlink_rcv_skb+0x130/0x360 [ 3258.586747][ T10] netlink_unicast+0x449/0x710 [ 3258.586747][ T10] netlink_sendmsg+0x723/0xbe0 [ 3258.586747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3258.586747][ T10] ___sys_sendmsg+0xee/0x170 [ 3258.586747][ T10] __sys_sendmsg+0xcd/0x170 [ 3258.586747][ T10] do_syscall_64+0xc6/0x1e0 [ 3258.586747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3258.586747][ T10] [ 3259.753142][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3259.753591][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3259.753591][ T1167] dst_init+0x84/0x4a0 [ 3259.753591][ T1167] dst_alloc+0x97/0x150 [ 3259.753591][ T1167] ip6_dst_alloc+0x23/0x90 [ 3259.753591][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3259.753591][ T1167] ip6_pol_route+0x56f/0x840 [ 3259.753591][ T1167] fib6_rule_lookup+0x334/0x630 [ 3259.753591][ T1167] ip6_route_output_flags+0x259/0x480 [ 3259.753591][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3259.753591][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3259.753591][ T1167] netlink_rcv_skb+0x130/0x360 [ 3259.753591][ T1167] netlink_unicast+0x449/0x710 [ 3259.753591][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3259.753591][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3259.753591][ T1167] ___sys_sendmsg+0xee/0x170 [ 3259.753591][ T1167] __sys_sendmsg+0xcd/0x170 [ 3259.753591][ T1167] do_syscall_64+0xc6/0x1e0 [ 3259.753591][ T1167] [ 3259.756140][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3259.756140][ T1167] netdev_get_by_index+0x5e/0x80 [ 3259.756140][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3259.756140][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3259.756140][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3259.756140][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3259.756140][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3259.756140][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3259.756140][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3259.756140][ T1167] addrconf_dad_begin+0x310/0x670 [ 3259.756140][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3259.756140][ T1167] process_one_work+0x84d/0x18a0 [ 3259.756140][ T1167] worker_thread+0x587/0xd30 [ 3259.756140][ T1167] kthread+0x28a/0x350 [ 3259.756140][ T1167] ret_from_fork+0x31/0x70 [ 3259.756140][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3259.756140][ T1167] [ 3259.758676][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3259.758676][ T1167] netdev_get_by_index+0x5e/0x80 [ 3259.758676][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3259.758676][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3259.758676][ T1167] ip6_route_add+0x1c/0x140 [ 3259.758676][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3259.758676][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3259.758676][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3259.758676][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3259.758676][ T1167] netlink_rcv_skb+0x130/0x360 [ 3259.758676][ T1167] netlink_unicast+0x449/0x710 [ 3259.758676][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3259.758676][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3259.758676][ T1167] ___sys_sendmsg+0xee/0x170 [ 3259.758676][ T1167] __sys_sendmsg+0xcd/0x170 [ 3259.758676][ T1167] do_syscall_64+0xc6/0x1e0 [ 3259.758676][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3259.758676][ T1167] [ 3259.761195][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3259.761195][ T1167] netdev_get_by_index+0x5e/0x80 [ 3259.761195][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3259.761195][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3259.761195][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3259.761195][ T1167] ipv6_add_addr+0x411/0x2000 [ 3259.761195][ T1167] inet6_addr_add+0x30e/0xa40 [ 3259.761195][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3259.761195][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3259.761195][ T1167] netlink_rcv_skb+0x130/0x360 [ 3259.761195][ T1167] netlink_unicast+0x449/0x710 [ 3259.761195][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3259.761195][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3259.761195][ T1167] ___sys_sendmsg+0xee/0x170 [ 3259.761195][ T1167] __sys_sendmsg+0xcd/0x170 [ 3259.761195][ T1167] do_syscall_64+0xc6/0x1e0 [ 3259.761195][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3259.761195][ T1167] [ 3259.763661][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3259.763661][ T1167] netdev_get_by_index+0x5e/0x80 [ 3259.763661][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3259.763661][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3259.763661][ T1167] ip6_route_add+0x1c/0x140 [ 3259.763661][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3259.763661][ T1167] addrconf_add_dev+0xe2/0x170 [ 3259.763661][ T1167] inet6_addr_add+0x12f/0xa40 [ 3259.763661][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3259.763661][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3259.763661][ T1167] netlink_rcv_skb+0x130/0x360 [ 3259.763661][ T1167] netlink_unicast+0x449/0x710 [ 3259.763661][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3259.763661][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3259.763661][ T1167] ___sys_sendmsg+0xee/0x170 [ 3259.763661][ T1167] __sys_sendmsg+0xcd/0x170 [ 3259.763661][ T1167] do_syscall_64+0xc6/0x1e0 [ 3259.763661][ T1167] [ 3259.765861][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3259.765861][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3259.765861][ T1167] ipv6_find_idev+0x102/0x170 [ 3259.765861][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3259.765861][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3259.765861][ T1167] netlink_rcv_skb+0x130/0x360 [ 3259.765861][ T1167] netlink_unicast+0x449/0x710 [ 3259.765861][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3259.765861][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3259.765861][ T1167] ___sys_sendmsg+0xee/0x170 [ 3259.765861][ T1167] __sys_sendmsg+0xcd/0x170 [ 3259.765861][ T1167] do_syscall_64+0xc6/0x1e0 [ 3259.765861][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3259.765861][ T1167] [ 3259.767584][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3259.767584][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3259.767584][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3259.767584][ T1167] ipv6_find_idev+0x102/0x170 [ 3259.767584][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3259.767584][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3259.767584][ T1167] netlink_rcv_skb+0x130/0x360 [ 3259.767584][ T1167] netlink_unicast+0x449/0x710 [ 3259.767584][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3259.767584][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3259.767584][ T1167] ___sys_sendmsg+0xee/0x170 [ 3259.767584][ T1167] __sys_sendmsg+0xcd/0x170 [ 3259.767584][ T1167] do_syscall_64+0xc6/0x1e0 [ 3259.767584][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3259.767584][ T1167] [ 3268.825127][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3268.825604][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3268.825604][ T10] netdev_get_by_index+0x5e/0x80 [ 3268.825604][ T10] fib6_nh_init+0x3d8/0x1580 [ 3268.825604][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3268.825604][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3268.825604][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3268.825604][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3268.825604][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3268.825604][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3268.825604][ T10] addrconf_dad_begin+0x310/0x670 [ 3268.825604][ T10] addrconf_dad_work+0x10b/0xab0 [ 3268.825604][ T10] process_one_work+0x84d/0x18a0 [ 3268.825604][ T10] worker_thread+0x587/0xd30 [ 3268.825604][ T10] kthread+0x28a/0x350 [ 3268.825604][ T10] ret_from_fork+0x31/0x70 [ 3268.825604][ T10] ret_from_fork_asm+0x1a/0x30 [ 3268.825604][ T10] [ 3268.827553][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3268.827553][ T10] netdev_get_by_index+0x5e/0x80 [ 3268.827553][ T10] fib6_nh_init+0x3d8/0x1580 [ 3268.827553][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3268.827553][ T10] ip6_route_add+0x1c/0x140 [ 3268.827553][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3268.827553][ T10] inet6_addr_add+0x4f8/0xa40 [ 3268.827553][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3268.827553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3268.827553][ T10] netlink_rcv_skb+0x130/0x360 [ 3268.827553][ T10] netlink_unicast+0x449/0x710 [ 3268.827553][ T10] netlink_sendmsg+0x723/0xbe0 [ 3268.827553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3268.827553][ T10] ___sys_sendmsg+0xee/0x170 [ 3268.827553][ T10] __sys_sendmsg+0xcd/0x170 [ 3268.827553][ T10] do_syscall_64+0xc6/0x1e0 [ 3268.827553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3268.827553][ T10] [ 3268.829568][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3268.829568][ T10] netdev_get_by_index+0x5e/0x80 [ 3268.829568][ T10] fib6_nh_init+0x3d8/0x1580 [ 3268.829568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3268.829568][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3268.829568][ T10] ipv6_add_addr+0x411/0x2000 [ 3268.829568][ T10] inet6_addr_add+0x30e/0xa40 [ 3268.829568][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3268.829568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3268.829568][ T10] netlink_rcv_skb+0x130/0x360 [ 3268.829568][ T10] netlink_unicast+0x449/0x710 [ 3268.829568][ T10] netlink_sendmsg+0x723/0xbe0 [ 3268.829568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3268.829568][ T10] ___sys_sendmsg+0xee/0x170 [ 3268.829568][ T10] __sys_sendmsg+0xcd/0x170 [ 3268.829568][ T10] do_syscall_64+0xc6/0x1e0 [ 3268.829568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3268.829568][ T10] [ 3268.831579][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3268.831579][ T10] netdev_get_by_index+0x5e/0x80 [ 3268.831579][ T10] fib6_nh_init+0x3d8/0x1580 [ 3268.831579][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3268.831579][ T10] ip6_route_add+0x1c/0x140 [ 3268.831579][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3268.831579][ T10] addrconf_add_dev+0xe2/0x170 [ 3268.831579][ T10] inet6_addr_add+0x12f/0xa40 [ 3268.831579][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3268.831579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3268.831579][ T10] netlink_rcv_skb+0x130/0x360 [ 3268.831579][ T10] netlink_unicast+0x449/0x710 [ 3268.831579][ T10] netlink_sendmsg+0x723/0xbe0 [ 3268.831579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3268.831579][ T10] ___sys_sendmsg+0xee/0x170 [ 3268.831579][ T10] __sys_sendmsg+0xcd/0x170 [ 3268.831579][ T10] do_syscall_64+0xc6/0x1e0 [ 3268.831579][ T10] [ 3268.833581][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3268.833581][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3268.833581][ T10] ipv6_find_idev+0x102/0x170 [ 3268.833581][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3268.833581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3268.833581][ T10] netlink_rcv_skb+0x130/0x360 [ 3268.833581][ T10] netlink_unicast+0x449/0x710 [ 3268.833581][ T10] netlink_sendmsg+0x723/0xbe0 [ 3268.833581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3268.833581][ T10] ___sys_sendmsg+0xee/0x170 [ 3268.833581][ T10] __sys_sendmsg+0xcd/0x170 [ 3268.833581][ T10] do_syscall_64+0xc6/0x1e0 [ 3268.833581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3268.833581][ T10] [ 3268.835128][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3268.835128][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3268.835128][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3268.835128][ T10] ipv6_find_idev+0x102/0x170 [ 3268.835128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3268.835128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3268.835128][ T10] netlink_rcv_skb+0x130/0x360 [ 3268.835128][ T10] netlink_unicast+0x449/0x710 [ 3268.835128][ T10] netlink_sendmsg+0x723/0xbe0 [ 3268.835128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3268.835128][ T10] ___sys_sendmsg+0xee/0x170 [ 3268.835128][ T10] __sys_sendmsg+0xcd/0x170 [ 3268.835128][ T10] do_syscall_64+0xc6/0x1e0 [ 3268.835128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3268.835128][ T10] [ 3268.836803][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3268.837046][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3268.837046][ T10] netdev_get_by_index+0x5e/0x80 [ 3268.837046][ T10] fib6_nh_init+0x3d8/0x1580 [ 3268.837046][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3268.837046][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3268.837046][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3268.837046][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3268.837046][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3268.837046][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3268.837046][ T10] addrconf_dad_begin+0x310/0x670 [ 3268.837046][ T10] addrconf_dad_work+0x10b/0xab0 [ 3268.837046][ T10] process_one_work+0x84d/0x18a0 [ 3268.837046][ T10] worker_thread+0x587/0xd30 [ 3268.837046][ T10] kthread+0x28a/0x350 [ 3268.837046][ T10] ret_from_fork+0x31/0x70 [ 3268.837046][ T10] ret_from_fork_asm+0x1a/0x30 [ 3268.837046][ T10] [ 3268.838957][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3268.838957][ T10] netdev_get_by_index+0x5e/0x80 [ 3268.838957][ T10] fib6_nh_init+0x3d8/0x1580 [ 3268.838957][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3268.838957][ T10] ip6_route_add+0x1c/0x140 [ 3268.838957][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3268.838957][ T10] inet6_addr_add+0x4f8/0xa40 [ 3268.838957][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3268.838957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3268.838957][ T10] netlink_rcv_skb+0x130/0x360 [ 3268.838957][ T10] netlink_unicast+0x449/0x710 [ 3268.838957][ T10] netlink_sendmsg+0x723/0xbe0 [ 3268.838957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3268.838957][ T10] ___sys_sendmsg+0xee/0x170 [ 3268.838957][ T10] __sys_sendmsg+0xcd/0x170 [ 3268.838957][ T10] do_syscall_64+0xc6/0x1e0 [ 3268.838957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3268.838957][ T10] [ 3268.840962][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3268.840962][ T10] netdev_get_by_index+0x5e/0x80 [ 3268.840962][ T10] fib6_nh_init+0x3d8/0x1580 [ 3268.840962][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3268.840962][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3268.840962][ T10] ipv6_add_addr+0x411/0x2000 [ 3268.840962][ T10] inet6_addr_add+0x30e/0xa40 [ 3268.840962][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3268.840962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3268.840962][ T10] netlink_rcv_skb+0x130/0x360 [ 3268.840962][ T10] netlink_unicast+0x449/0x710 [ 3268.840962][ T10] netlink_sendmsg+0x723/0xbe0 [ 3268.840962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3268.840962][ T10] ___sys_sendmsg+0xee/0x170 [ 3268.840962][ T10] __sys_sendmsg+0xcd/0x170 [ 3268.840962][ T10] do_syscall_64+0xc6/0x1e0 [ 3268.840962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3268.840962][ T10] [ 3268.842986][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3268.842986][ T10] netdev_get_by_index+0x5e/0x80 [ 3268.842986][ T10] fib6_nh_init+0x3d8/0x1580 [ 3268.842986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3268.842986][ T10] ip6_route_add+0x1c/0x140 [ 3268.842986][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3268.842986][ T10] addrconf_add_dev+0xe2/0x170 [ 3268.842986][ T10] inet6_addr_add+0x12f/0xa40 [ 3268.842986][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3268.842986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3268.842986][ T10] netlink_rcv_skb+0x130/0x360 [ 3268.842986][ T10] netlink_unicast+0x449/0x710 [ 3268.842986][ T10] netlink_sendmsg+0x723/0xbe0 [ 3268.842986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3268.842986][ T10] ___sys_sendmsg+0xee/0x170 [ 3268.842986][ T10] __sys_sendmsg+0xcd/0x170 [ 3268.842986][ T10] do_syscall_64+0xc6/0x1e0 [ 3268.842986][ T10] [ 3268.844966][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3268.844966][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3268.844966][ T10] ipv6_find_idev+0x102/0x170 [ 3268.844966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3268.844966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3268.844966][ T10] netlink_rcv_skb+0x130/0x360 [ 3268.844966][ T10] netlink_unicast+0x449/0x710 [ 3268.844966][ T10] netlink_sendmsg+0x723/0xbe0 [ 3268.844966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3268.844966][ T10] ___sys_sendmsg+0xee/0x170 [ 3268.844966][ T10] __sys_sendmsg+0xcd/0x170 [ 3268.844966][ T10] do_syscall_64+0xc6/0x1e0 [ 3268.844966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3268.844966][ T10] [ 3268.846518][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3268.846518][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3268.846518][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3268.846518][ T10] ipv6_find_idev+0x102/0x170 [ 3268.846518][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3268.846518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3268.846518][ T10] netlink_rcv_skb+0x130/0x360 [ 3268.846518][ T10] netlink_unicast+0x449/0x710 [ 3268.846518][ T10] netlink_sendmsg+0x723/0xbe0 [ 3268.846518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3268.846518][ T10] ___sys_sendmsg+0xee/0x170 [ 3268.846518][ T10] __sys_sendmsg+0xcd/0x170 [ 3268.846518][ T10] do_syscall_64+0xc6/0x1e0 [ 3268.846518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3268.846518][ T10] [ 3268.848210][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3268.848444][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3268.848444][ T10] netdev_get_by_index+0x5e/0x80 [ 3268.848444][ T10] fib6_nh_init+0x3d8/0x1580 [ 3268.848444][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3268.848444][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3268.848444][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3268.848444][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3268.848444][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3268.848444][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3268.848444][ T10] addrconf_dad_begin+0x310/0x670 [ 3268.848444][ T10] addrconf_dad_work+0x10b/0xab0 [ 3268.848444][ T10] process_one_work+0x84d/0x18a0 [ 3268.848444][ T10] worker_thread+0x587/0xd30 [ 3268.848444][ T10] kthread+0x28a/0x350 [ 3268.848444][ T10] ret_from_fork+0x31/0x70 [ 3268.848444][ T10] ret_from_fork_asm+0x1a/0x30 [ 3268.848444][ T10] [ 3268.850382][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3268.850382][ T10] netdev_get_by_index+0x5e/0x80 [ 3268.850382][ T10] fib6_nh_init+0x3d8/0x1580 [ 3268.850382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3268.850382][ T10] ip6_route_add+0x1c/0x140 [ 3268.850382][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3268.850382][ T10] inet6_addr_add+0x4f8/0xa40 [ 3268.850382][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3268.850382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3268.850382][ T10] netlink_rcv_skb+0x130/0x360 [ 3268.850382][ T10] netlink_unicast+0x449/0x710 [ 3268.850382][ T10] netlink_sendmsg+0x723/0xbe0 [ 3268.850382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3268.850382][ T10] ___sys_sendmsg+0xee/0x170 [ 3268.850382][ T10] __sys_sendmsg+0xcd/0x170 [ 3268.850382][ T10] do_syscall_64+0xc6/0x1e0 [ 3268.850382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3268.850382][ T10] [ 3268.852612][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3268.852612][ T10] netdev_get_by_index+0x5e/0x80 [ 3268.852612][ T10] fib6_nh_init+0x3d8/0x1580 [ 3268.852612][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3268.852612][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3268.852612][ T10] ipv6_add_addr+0x411/0x2000 [ 3268.852612][ T10] inet6_addr_add+0x30e/0xa40 [ 3268.852612][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3268.852612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3268.852612][ T10] netlink_rcv_skb+0x130/0x360 [ 3268.852612][ T10] netlink_unicast+0x449/0x710 [ 3268.852612][ T10] netlink_sendmsg+0x723/0xbe0 [ 3268.852612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3268.852612][ T10] ___sys_sendmsg+0xee/0x170 [ 3268.852612][ T10] __sys_sendmsg+0xcd/0x170 [ 3268.852612][ T10] do_syscall_64+0xc6/0x1e0 [ 3268.852612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3268.852612][ T10] [ 3268.854869][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3268.854869][ T10] netdev_get_by_index+0x5e/0x80 [ 3268.854869][ T10] fib6_nh_init+0x3d8/0x1580 [ 3268.854869][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3268.854869][ T10] ip6_route_add+0x1c/0x140 [ 3268.854869][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3268.854869][ T10] addrconf_add_dev+0xe2/0x170 [ 3268.854869][ T10] inet6_addr_add+0x12f/0xa40 [ 3268.854869][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3268.854869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3268.854869][ T10] netlink_rcv_skb+0x130/0x360 [ 3268.854869][ T10] netlink_unicast+0x449/0x710 [ 3268.854869][ T10] netlink_sendmsg+0x723/0xbe0 [ 3268.854869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3268.854869][ T10] ___sys_sendmsg+0xee/0x170 [ 3268.854869][ T10] __sys_sendmsg+0xcd/0x170 [ 3268.854869][ T10] do_syscall_64+0xc6/0x1e0 [ 3268.854869][ T10] [ 3268.857080][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3268.857080][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3268.857080][ T10] ipv6_find_idev+0x102/0x170 [ 3268.857080][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3268.857080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3268.857080][ T10] netlink_rcv_skb+0x130/0x360 [ 3268.857080][ T10] netlink_unicast+0x449/0x710 [ 3268.857080][ T10] netlink_sendmsg+0x723/0xbe0 [ 3268.857080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3268.857080][ T10] ___sys_sendmsg+0xee/0x170 [ 3268.857080][ T10] __sys_sendmsg+0xcd/0x170 [ 3268.857080][ T10] do_syscall_64+0xc6/0x1e0 [ 3268.857080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3268.857080][ T10] [ 3268.858818][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3268.858818][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3268.858818][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3268.858818][ T10] ipv6_find_idev+0x102/0x170 [ 3268.858818][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3268.858818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3268.858818][ T10] netlink_rcv_skb+0x130/0x360 [ 3268.858818][ T10] netlink_unicast+0x449/0x710 [ 3268.858818][ T10] netlink_sendmsg+0x723/0xbe0 [ 3268.858818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3268.858818][ T10] ___sys_sendmsg+0xee/0x170 [ 3268.858818][ T10] __sys_sendmsg+0xcd/0x170 [ 3268.858818][ T10] do_syscall_64+0xc6/0x1e0 [ 3268.858818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3268.858818][ T10] [ 3268.860751][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3268.860997][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3268.860997][ T10] netdev_get_by_index+0x5e/0x80 [ 3268.860997][ T10] fib6_nh_init+0x3d8/0x1580 [ 3268.860997][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3268.860997][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3268.860997][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3268.860997][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3268.860997][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3268.860997][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3268.860997][ T10] addrconf_dad_begin+0x310/0x670 [ 3268.860997][ T10] addrconf_dad_work+0x10b/0xab0 [ 3268.860997][ T10] process_one_work+0x84d/0x18a0 [ 3268.860997][ T10] worker_thread+0x587/0xd30 [ 3268.860997][ T10] kthread+0x28a/0x350 [ 3268.860997][ T10] ret_from_fork+0x31/0x70 [ 3268.860997][ T10] ret_from_fork_asm+0x1a/0x30 [ 3268.860997][ T10] [ 3268.863152][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3268.863152][ T10] netdev_get_by_index+0x5e/0x80 [ 3268.863152][ T10] fib6_nh_init+0x3d8/0x1580 [ 3268.863152][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3268.863152][ T10] ip6_route_add+0x1c/0x140 [ 3268.863152][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3268.863152][ T10] inet6_addr_add+0x4f8/0xa40 [ 3268.863152][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3268.863152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3268.863152][ T10] netlink_rcv_skb+0x130/0x360 [ 3268.863152][ T10] netlink_unicast+0x449/0x710 [ 3268.863152][ T10] netlink_sendmsg+0x723/0xbe0 [ 3268.863152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3268.863152][ T10] ___sys_sendmsg+0xee/0x170 [ 3268.863152][ T10] __sys_sendmsg+0xcd/0x170 [ 3268.863152][ T10] do_syscall_64+0xc6/0x1e0 [ 3268.863152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3268.863152][ T10] [ 3268.865412][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3268.865412][ T10] netdev_get_by_index+0x5e/0x80 [ 3268.865412][ T10] fib6_nh_init+0x3d8/0x1580 [ 3268.865412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3268.865412][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3268.865412][ T10] ipv6_add_addr+0x411/0x2000 [ 3268.865412][ T10] inet6_addr_add+0x30e/0xa40 [ 3268.865412][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3268.865412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3268.865412][ T10] netlink_rcv_skb+0x130/0x360 [ 3268.865412][ T10] netlink_unicast+0x449/0x710 [ 3268.865412][ T10] netlink_sendmsg+0x723/0xbe0 [ 3268.865412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3268.865412][ T10] ___sys_sendmsg+0xee/0x170 [ 3268.865412][ T10] __sys_sendmsg+0xcd/0x170 [ 3268.865412][ T10] do_syscall_64+0xc6/0x1e0 [ 3268.865412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3268.865412][ T10] [ 3268.867592][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3268.867592][ T10] netdev_get_by_index+0x5e/0x80 [ 3268.867592][ T10] fib6_nh_init+0x3d8/0x1580 [ 3268.867592][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3268.867592][ T10] ip6_route_add+0x1c/0x140 [ 3268.867592][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3268.867592][ T10] addrconf_add_dev+0xe2/0x170 [ 3268.867592][ T10] inet6_addr_add+0x12f/0xa40 [ 3268.867592][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3268.867592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3268.867592][ T10] netlink_rcv_skb+0x130/0x360 [ 3268.867592][ T10] netlink_unicast+0x449/0x710 [ 3268.867592][ T10] netlink_sendmsg+0x723/0xbe0 [ 3268.867592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3268.867592][ T10] ___sys_sendmsg+0xee/0x170 [ 3268.867592][ T10] __sys_sendmsg+0xcd/0x170 [ 3268.867592][ T10] do_syscall_64+0xc6/0x1e0 [ 3268.867592][ T10] [ 3268.869870][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3268.869870][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3268.869870][ T10] ipv6_find_idev+0x102/0x170 [ 3268.869870][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3268.869870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3268.869870][ T10] netlink_rcv_skb+0x130/0x360 [ 3268.869870][ T10] netlink_unicast+0x449/0x710 [ 3268.869870][ T10] netlink_sendmsg+0x723/0xbe0 [ 3268.869870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3268.869870][ T10] ___sys_sendmsg+0xee/0x170 [ 3268.869870][ T10] __sys_sendmsg+0xcd/0x170 [ 3268.869870][ T10] do_syscall_64+0xc6/0x1e0 [ 3268.869870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3268.869870][ T10] [ 3268.871600][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3268.871600][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3268.871600][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3268.871600][ T10] ipv6_find_idev+0x102/0x170 [ 3268.871600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3268.871600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3268.871600][ T10] netlink_rcv_skb+0x130/0x360 [ 3268.871600][ T10] netlink_unicast+0x449/0x710 [ 3268.871600][ T10] netlink_sendmsg+0x723/0xbe0 [ 3268.871600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3268.871600][ T10] ___sys_sendmsg+0xee/0x170 [ 3268.871600][ T10] __sys_sendmsg+0xcd/0x170 [ 3268.871600][ T10] do_syscall_64+0xc6/0x1e0 [ 3268.871600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3268.871600][ T10] [ 3270.009153][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3270.009577][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3270.009577][ T1167] dst_init+0x84/0x4a0 [ 3270.009577][ T1167] dst_alloc+0x97/0x150 [ 3270.009577][ T1167] ip6_dst_alloc+0x23/0x90 [ 3270.009577][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3270.009577][ T1167] ip6_pol_route+0x56f/0x840 [ 3270.009577][ T1167] fib6_rule_lookup+0x334/0x630 [ 3270.009577][ T1167] ip6_route_output_flags+0x259/0x480 [ 3270.009577][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3270.009577][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3270.009577][ T1167] netlink_rcv_skb+0x130/0x360 [ 3270.009577][ T1167] netlink_unicast+0x449/0x710 [ 3270.009577][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3270.009577][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3270.009577][ T1167] ___sys_sendmsg+0xee/0x170 [ 3270.009577][ T1167] __sys_sendmsg+0xcd/0x170 [ 3270.009577][ T1167] do_syscall_64+0xc6/0x1e0 [ 3270.009577][ T1167] [ 3270.011837][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3270.011837][ T1167] netdev_get_by_index+0x5e/0x80 [ 3270.011837][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3270.011837][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3270.011837][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3270.011837][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3270.011837][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3270.011837][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3270.011837][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3270.011837][ T1167] addrconf_dad_begin+0x310/0x670 [ 3270.011837][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3270.011837][ T1167] process_one_work+0x84d/0x18a0 [ 3270.011837][ T1167] worker_thread+0x587/0xd30 [ 3270.011837][ T1167] kthread+0x28a/0x350 [ 3270.011837][ T1167] ret_from_fork+0x31/0x70 [ 3270.011837][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3270.011837][ T1167] [ 3270.014024][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3270.014024][ T1167] netdev_get_by_index+0x5e/0x80 [ 3270.014024][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3270.014024][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3270.014024][ T1167] ip6_route_add+0x1c/0x140 [ 3270.014024][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3270.014024][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3270.014024][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3270.014024][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3270.014024][ T1167] netlink_rcv_skb+0x130/0x360 [ 3270.014024][ T1167] netlink_unicast+0x449/0x710 [ 3270.014024][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3270.014024][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3270.014024][ T1167] ___sys_sendmsg+0xee/0x170 [ 3270.014024][ T1167] __sys_sendmsg+0xcd/0x170 [ 3270.014024][ T1167] do_syscall_64+0xc6/0x1e0 [ 3270.014024][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3270.014024][ T1167] [ 3270.016372][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3270.016372][ T1167] netdev_get_by_index+0x5e/0x80 [ 3270.016372][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3270.016372][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3270.016372][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3270.016372][ T1167] ipv6_add_addr+0x411/0x2000 [ 3270.016372][ T1167] inet6_addr_add+0x30e/0xa40 [ 3270.016372][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3270.016372][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3270.016372][ T1167] netlink_rcv_skb+0x130/0x360 [ 3270.016372][ T1167] netlink_unicast+0x449/0x710 [ 3270.016372][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3270.016372][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3270.016372][ T1167] ___sys_sendmsg+0xee/0x170 [ 3270.016372][ T1167] __sys_sendmsg+0xcd/0x170 [ 3270.016372][ T1167] do_syscall_64+0xc6/0x1e0 [ 3270.016372][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3270.016372][ T1167] [ 3270.018624][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3270.018624][ T1167] netdev_get_by_index+0x5e/0x80 [ 3270.018624][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3270.018624][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3270.018624][ T1167] ip6_route_add+0x1c/0x140 [ 3270.018624][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3270.018624][ T1167] addrconf_add_dev+0xe2/0x170 [ 3270.018624][ T1167] inet6_addr_add+0x12f/0xa40 [ 3270.018624][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3270.018624][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3270.018624][ T1167] netlink_rcv_skb+0x130/0x360 [ 3270.018624][ T1167] netlink_unicast+0x449/0x710 [ 3270.018624][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3270.018624][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3270.018624][ T1167] ___sys_sendmsg+0xee/0x170 [ 3270.018624][ T1167] __sys_sendmsg+0xcd/0x170 [ 3270.018624][ T1167] do_syscall_64+0xc6/0x1e0 [ 3270.018624][ T1167] [ 3270.020826][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3270.020826][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3270.020826][ T1167] ipv6_find_idev+0x102/0x170 [ 3270.020826][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3270.020826][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3270.020826][ T1167] netlink_rcv_skb+0x130/0x360 [ 3270.020826][ T1167] netlink_unicast+0x449/0x710 [ 3270.020826][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3270.020826][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3270.020826][ T1167] ___sys_sendmsg+0xee/0x170 [ 3270.020826][ T1167] __sys_sendmsg+0xcd/0x170 [ 3270.020826][ T1167] do_syscall_64+0xc6/0x1e0 [ 3270.020826][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3270.020826][ T1167] [ 3270.022563][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3270.022563][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3270.022563][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3270.022563][ T1167] ipv6_find_idev+0x102/0x170 [ 3270.022563][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3270.022563][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3270.022563][ T1167] netlink_rcv_skb+0x130/0x360 [ 3270.022563][ T1167] netlink_unicast+0x449/0x710 [ 3270.022563][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3270.022563][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3270.022563][ T1167] ___sys_sendmsg+0xee/0x170 [ 3270.022563][ T1167] __sys_sendmsg+0xcd/0x170 [ 3270.022563][ T1167] do_syscall_64+0xc6/0x1e0 [ 3270.022563][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3270.022563][ T1167] [ 3279.113067][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3279.113447][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3279.113447][ T10] netdev_get_by_index+0x5e/0x80 [ 3279.113447][ T10] fib6_nh_init+0x3d8/0x1580 [ 3279.113447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3279.113447][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3279.113447][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3279.113447][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3279.113447][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3279.113447][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3279.113447][ T10] addrconf_dad_begin+0x310/0x670 [ 3279.113447][ T10] addrconf_dad_work+0x10b/0xab0 [ 3279.113447][ T10] process_one_work+0x84d/0x18a0 [ 3279.113447][ T10] worker_thread+0x587/0xd30 [ 3279.113447][ T10] kthread+0x28a/0x350 [ 3279.113447][ T10] ret_from_fork+0x31/0x70 [ 3279.113447][ T10] ret_from_fork_asm+0x1a/0x30 [ 3279.113447][ T10] [ 3279.115373][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3279.115373][ T10] netdev_get_by_index+0x5e/0x80 [ 3279.115373][ T10] fib6_nh_init+0x3d8/0x1580 [ 3279.115373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3279.115373][ T10] ip6_route_add+0x1c/0x140 [ 3279.115373][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3279.115373][ T10] inet6_addr_add+0x4f8/0xa40 [ 3279.115373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3279.115373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.115373][ T10] netlink_rcv_skb+0x130/0x360 [ 3279.115373][ T10] netlink_unicast+0x449/0x710 [ 3279.115373][ T10] netlink_sendmsg+0x723/0xbe0 [ 3279.115373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3279.115373][ T10] ___sys_sendmsg+0xee/0x170 [ 3279.115373][ T10] __sys_sendmsg+0xcd/0x170 [ 3279.115373][ T10] do_syscall_64+0xc6/0x1e0 [ 3279.115373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3279.115373][ T10] [ 3279.117383][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3279.117383][ T10] netdev_get_by_index+0x5e/0x80 [ 3279.117383][ T10] fib6_nh_init+0x3d8/0x1580 [ 3279.117383][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3279.117383][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3279.117383][ T10] ipv6_add_addr+0x411/0x2000 [ 3279.117383][ T10] inet6_addr_add+0x30e/0xa40 [ 3279.117383][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3279.117383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.117383][ T10] netlink_rcv_skb+0x130/0x360 [ 3279.117383][ T10] netlink_unicast+0x449/0x710 [ 3279.117383][ T10] netlink_sendmsg+0x723/0xbe0 [ 3279.117383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3279.117383][ T10] ___sys_sendmsg+0xee/0x170 [ 3279.117383][ T10] __sys_sendmsg+0xcd/0x170 [ 3279.117383][ T10] do_syscall_64+0xc6/0x1e0 [ 3279.117383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3279.117383][ T10] [ 3279.119382][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3279.119382][ T10] netdev_get_by_index+0x5e/0x80 [ 3279.119382][ T10] fib6_nh_init+0x3d8/0x1580 [ 3279.119382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3279.119382][ T10] ip6_route_add+0x1c/0x140 [ 3279.119382][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3279.119382][ T10] addrconf_add_dev+0xe2/0x170 [ 3279.119382][ T10] inet6_addr_add+0x12f/0xa40 [ 3279.119382][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3279.119382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.119382][ T10] netlink_rcv_skb+0x130/0x360 [ 3279.119382][ T10] netlink_unicast+0x449/0x710 [ 3279.119382][ T10] netlink_sendmsg+0x723/0xbe0 [ 3279.119382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3279.119382][ T10] ___sys_sendmsg+0xee/0x170 [ 3279.119382][ T10] __sys_sendmsg+0xcd/0x170 [ 3279.119382][ T10] do_syscall_64+0xc6/0x1e0 [ 3279.119382][ T10] [ 3279.121354][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3279.121354][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3279.121354][ T10] ipv6_find_idev+0x102/0x170 [ 3279.121354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3279.121354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.121354][ T10] netlink_rcv_skb+0x130/0x360 [ 3279.121354][ T10] netlink_unicast+0x449/0x710 [ 3279.121354][ T10] netlink_sendmsg+0x723/0xbe0 [ 3279.121354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3279.121354][ T10] ___sys_sendmsg+0xee/0x170 [ 3279.121354][ T10] __sys_sendmsg+0xcd/0x170 [ 3279.121354][ T10] do_syscall_64+0xc6/0x1e0 [ 3279.121354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3279.121354][ T10] [ 3279.122909][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3279.122909][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3279.122909][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3279.122909][ T10] ipv6_find_idev+0x102/0x170 [ 3279.122909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3279.122909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.122909][ T10] netlink_rcv_skb+0x130/0x360 [ 3279.122909][ T10] netlink_unicast+0x449/0x710 [ 3279.122909][ T10] netlink_sendmsg+0x723/0xbe0 [ 3279.122909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3279.122909][ T10] ___sys_sendmsg+0xee/0x170 [ 3279.122909][ T10] __sys_sendmsg+0xcd/0x170 [ 3279.122909][ T10] do_syscall_64+0xc6/0x1e0 [ 3279.122909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3279.122909][ T10] [ 3279.124616][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3279.124862][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3279.124862][ T10] netdev_get_by_index+0x5e/0x80 [ 3279.124862][ T10] fib6_nh_init+0x3d8/0x1580 [ 3279.124862][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3279.124862][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3279.124862][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3279.124862][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3279.124862][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3279.124862][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3279.124862][ T10] addrconf_dad_begin+0x310/0x670 [ 3279.124862][ T10] addrconf_dad_work+0x10b/0xab0 [ 3279.124862][ T10] process_one_work+0x84d/0x18a0 [ 3279.124862][ T10] worker_thread+0x587/0xd30 [ 3279.124862][ T10] kthread+0x28a/0x350 [ 3279.124862][ T10] ret_from_fork+0x31/0x70 [ 3279.124862][ T10] ret_from_fork_asm+0x1a/0x30 [ 3279.124862][ T10] [ 3279.126772][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3279.126772][ T10] netdev_get_by_index+0x5e/0x80 [ 3279.126772][ T10] fib6_nh_init+0x3d8/0x1580 [ 3279.126772][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3279.126772][ T10] ip6_route_add+0x1c/0x140 [ 3279.126772][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3279.126772][ T10] inet6_addr_add+0x4f8/0xa40 [ 3279.126772][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3279.126772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.126772][ T10] netlink_rcv_skb+0x130/0x360 [ 3279.126772][ T10] netlink_unicast+0x449/0x710 [ 3279.126772][ T10] netlink_sendmsg+0x723/0xbe0 [ 3279.126772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3279.126772][ T10] ___sys_sendmsg+0xee/0x170 [ 3279.126772][ T10] __sys_sendmsg+0xcd/0x170 [ 3279.126772][ T10] do_syscall_64+0xc6/0x1e0 [ 3279.126772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3279.126772][ T10] [ 3279.128772][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3279.128772][ T10] netdev_get_by_index+0x5e/0x80 [ 3279.128772][ T10] fib6_nh_init+0x3d8/0x1580 [ 3279.128772][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3279.128772][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3279.128772][ T10] ipv6_add_addr+0x411/0x2000 [ 3279.128772][ T10] inet6_addr_add+0x30e/0xa40 [ 3279.128772][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3279.128772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.128772][ T10] netlink_rcv_skb+0x130/0x360 [ 3279.128772][ T10] netlink_unicast+0x449/0x710 [ 3279.128772][ T10] netlink_sendmsg+0x723/0xbe0 [ 3279.128772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3279.128772][ T10] ___sys_sendmsg+0xee/0x170 [ 3279.128772][ T10] __sys_sendmsg+0xcd/0x170 [ 3279.128772][ T10] do_syscall_64+0xc6/0x1e0 [ 3279.128772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3279.128772][ T10] [ 3279.130752][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3279.130752][ T10] netdev_get_by_index+0x5e/0x80 [ 3279.130752][ T10] fib6_nh_init+0x3d8/0x1580 [ 3279.130752][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3279.130752][ T10] ip6_route_add+0x1c/0x140 [ 3279.130752][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3279.130752][ T10] addrconf_add_dev+0xe2/0x170 [ 3279.130752][ T10] inet6_addr_add+0x12f/0xa40 [ 3279.130752][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3279.130752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.130752][ T10] netlink_rcv_skb+0x130/0x360 [ 3279.130752][ T10] netlink_unicast+0x449/0x710 [ 3279.130752][ T10] netlink_sendmsg+0x723/0xbe0 [ 3279.130752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3279.130752][ T10] ___sys_sendmsg+0xee/0x170 [ 3279.130752][ T10] __sys_sendmsg+0xcd/0x170 [ 3279.130752][ T10] do_syscall_64+0xc6/0x1e0 [ 3279.130752][ T10] [ 3279.132740][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3279.132740][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3279.132740][ T10] ipv6_find_idev+0x102/0x170 [ 3279.132740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3279.132740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.132740][ T10] netlink_rcv_skb+0x130/0x360 [ 3279.132740][ T10] netlink_unicast+0x449/0x710 [ 3279.132740][ T10] netlink_sendmsg+0x723/0xbe0 [ 3279.132740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3279.132740][ T10] ___sys_sendmsg+0xee/0x170 [ 3279.132740][ T10] __sys_sendmsg+0xcd/0x170 [ 3279.132740][ T10] do_syscall_64+0xc6/0x1e0 [ 3279.132740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3279.132740][ T10] [ 3279.134271][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3279.134271][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3279.134271][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3279.134271][ T10] ipv6_find_idev+0x102/0x170 [ 3279.134271][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3279.134271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.134271][ T10] netlink_rcv_skb+0x130/0x360 [ 3279.134271][ T10] netlink_unicast+0x449/0x710 [ 3279.134271][ T10] netlink_sendmsg+0x723/0xbe0 [ 3279.134271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3279.134271][ T10] ___sys_sendmsg+0xee/0x170 [ 3279.134271][ T10] __sys_sendmsg+0xcd/0x170 [ 3279.134271][ T10] do_syscall_64+0xc6/0x1e0 [ 3279.134271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3279.134271][ T10] [ 3279.135950][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3279.136202][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3279.136202][ T10] netdev_get_by_index+0x5e/0x80 [ 3279.136202][ T10] fib6_nh_init+0x3d8/0x1580 [ 3279.136202][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3279.136202][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3279.136202][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3279.136202][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3279.136202][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3279.136202][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3279.136202][ T10] addrconf_dad_begin+0x310/0x670 [ 3279.136202][ T10] addrconf_dad_work+0x10b/0xab0 [ 3279.136202][ T10] process_one_work+0x84d/0x18a0 [ 3279.136202][ T10] worker_thread+0x587/0xd30 [ 3279.136202][ T10] kthread+0x28a/0x350 [ 3279.136202][ T10] ret_from_fork+0x31/0x70 [ 3279.136202][ T10] ret_from_fork_asm+0x1a/0x30 [ 3279.136202][ T10] [ 3279.138102][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3279.138102][ T10] netdev_get_by_index+0x5e/0x80 [ 3279.138102][ T10] fib6_nh_init+0x3d8/0x1580 [ 3279.138102][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3279.138102][ T10] ip6_route_add+0x1c/0x140 [ 3279.138102][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3279.138102][ T10] inet6_addr_add+0x4f8/0xa40 [ 3279.138102][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3279.138102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.138102][ T10] netlink_rcv_skb+0x130/0x360 [ 3279.138102][ T10] netlink_unicast+0x449/0x710 [ 3279.138102][ T10] netlink_sendmsg+0x723/0xbe0 [ 3279.138102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3279.138102][ T10] ___sys_sendmsg+0xee/0x170 [ 3279.138102][ T10] __sys_sendmsg+0xcd/0x170 [ 3279.138102][ T10] do_syscall_64+0xc6/0x1e0 [ 3279.138102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3279.138102][ T10] [ 3279.140263][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3279.140263][ T10] netdev_get_by_index+0x5e/0x80 [ 3279.140263][ T10] fib6_nh_init+0x3d8/0x1580 [ 3279.140263][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3279.140263][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3279.140263][ T10] ipv6_add_addr+0x411/0x2000 [ 3279.140263][ T10] inet6_addr_add+0x30e/0xa40 [ 3279.140263][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3279.140263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.140263][ T10] netlink_rcv_skb+0x130/0x360 [ 3279.140263][ T10] netlink_unicast+0x449/0x710 [ 3279.140263][ T10] netlink_sendmsg+0x723/0xbe0 [ 3279.140263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3279.140263][ T10] ___sys_sendmsg+0xee/0x170 [ 3279.140263][ T10] __sys_sendmsg+0xcd/0x170 [ 3279.140263][ T10] do_syscall_64+0xc6/0x1e0 [ 3279.140263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3279.140263][ T10] [ 3279.142510][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3279.142510][ T10] netdev_get_by_index+0x5e/0x80 [ 3279.142510][ T10] fib6_nh_init+0x3d8/0x1580 [ 3279.142510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3279.142510][ T10] ip6_route_add+0x1c/0x140 [ 3279.142510][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3279.142510][ T10] addrconf_add_dev+0xe2/0x170 [ 3279.142510][ T10] inet6_addr_add+0x12f/0xa40 [ 3279.142510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3279.142510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.142510][ T10] netlink_rcv_skb+0x130/0x360 [ 3279.142510][ T10] netlink_unicast+0x449/0x710 [ 3279.142510][ T10] netlink_sendmsg+0x723/0xbe0 [ 3279.142510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3279.142510][ T10] ___sys_sendmsg+0xee/0x170 [ 3279.142510][ T10] __sys_sendmsg+0xcd/0x170 [ 3279.142510][ T10] do_syscall_64+0xc6/0x1e0 [ 3279.142510][ T10] [ 3279.144691][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3279.144691][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3279.144691][ T10] ipv6_find_idev+0x102/0x170 [ 3279.144691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3279.144691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.144691][ T10] netlink_rcv_skb+0x130/0x360 [ 3279.144691][ T10] netlink_unicast+0x449/0x710 [ 3279.144691][ T10] netlink_sendmsg+0x723/0xbe0 [ 3279.144691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3279.144691][ T10] ___sys_sendmsg+0xee/0x170 [ 3279.144691][ T10] __sys_sendmsg+0xcd/0x170 [ 3279.144691][ T10] do_syscall_64+0xc6/0x1e0 [ 3279.144691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3279.144691][ T10] [ 3279.146461][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3279.146461][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3279.146461][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3279.146461][ T10] ipv6_find_idev+0x102/0x170 [ 3279.146461][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3279.146461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.146461][ T10] netlink_rcv_skb+0x130/0x360 [ 3279.146461][ T10] netlink_unicast+0x449/0x710 [ 3279.146461][ T10] netlink_sendmsg+0x723/0xbe0 [ 3279.146461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3279.146461][ T10] ___sys_sendmsg+0xee/0x170 [ 3279.146461][ T10] __sys_sendmsg+0xcd/0x170 [ 3279.146461][ T10] do_syscall_64+0xc6/0x1e0 [ 3279.146461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3279.146461][ T10] [ 3279.148265][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3279.148500][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3279.148500][ T10] netdev_get_by_index+0x5e/0x80 [ 3279.148500][ T10] fib6_nh_init+0x3d8/0x1580 [ 3279.148500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3279.148500][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3279.148500][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3279.148500][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3279.148500][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3279.148500][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3279.148500][ T10] addrconf_dad_begin+0x310/0x670 [ 3279.148500][ T10] addrconf_dad_work+0x10b/0xab0 [ 3279.148500][ T10] process_one_work+0x84d/0x18a0 [ 3279.148500][ T10] worker_thread+0x587/0xd30 [ 3279.148500][ T10] kthread+0x28a/0x350 [ 3279.148500][ T10] ret_from_fork+0x31/0x70 [ 3279.148500][ T10] ret_from_fork_asm+0x1a/0x30 [ 3279.148500][ T10] [ 3279.150645][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3279.150645][ T10] netdev_get_by_index+0x5e/0x80 [ 3279.150645][ T10] fib6_nh_init+0x3d8/0x1580 [ 3279.150645][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3279.150645][ T10] ip6_route_add+0x1c/0x140 [ 3279.150645][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3279.150645][ T10] inet6_addr_add+0x4f8/0xa40 [ 3279.150645][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3279.150645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.150645][ T10] netlink_rcv_skb+0x130/0x360 [ 3279.150645][ T10] netlink_unicast+0x449/0x710 [ 3279.150645][ T10] netlink_sendmsg+0x723/0xbe0 [ 3279.150645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3279.150645][ T10] ___sys_sendmsg+0xee/0x170 [ 3279.150645][ T10] __sys_sendmsg+0xcd/0x170 [ 3279.150645][ T10] do_syscall_64+0xc6/0x1e0 [ 3279.150645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3279.150645][ T10] [ 3279.152881][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3279.152881][ T10] netdev_get_by_index+0x5e/0x80 [ 3279.152881][ T10] fib6_nh_init+0x3d8/0x1580 [ 3279.152881][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3279.152881][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3279.152881][ T10] ipv6_add_addr+0x411/0x2000 [ 3279.152881][ T10] inet6_addr_add+0x30e/0xa40 [ 3279.152881][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3279.152881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.152881][ T10] netlink_rcv_skb+0x130/0x360 [ 3279.152881][ T10] netlink_unicast+0x449/0x710 [ 3279.152881][ T10] netlink_sendmsg+0x723/0xbe0 [ 3279.152881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3279.152881][ T10] ___sys_sendmsg+0xee/0x170 [ 3279.152881][ T10] __sys_sendmsg+0xcd/0x170 [ 3279.152881][ T10] do_syscall_64+0xc6/0x1e0 [ 3279.152881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3279.152881][ T10] [ 3279.155115][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3279.155115][ T10] netdev_get_by_index+0x5e/0x80 [ 3279.155115][ T10] fib6_nh_init+0x3d8/0x1580 [ 3279.155115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3279.155115][ T10] ip6_route_add+0x1c/0x140 [ 3279.155115][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3279.155115][ T10] addrconf_add_dev+0xe2/0x170 [ 3279.155115][ T10] inet6_addr_add+0x12f/0xa40 [ 3279.155115][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3279.155115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.155115][ T10] netlink_rcv_skb+0x130/0x360 [ 3279.155115][ T10] netlink_unicast+0x449/0x710 [ 3279.155115][ T10] netlink_sendmsg+0x723/0xbe0 [ 3279.155115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3279.155115][ T10] ___sys_sendmsg+0xee/0x170 [ 3279.155115][ T10] __sys_sendmsg+0xcd/0x170 [ 3279.155115][ T10] do_syscall_64+0xc6/0x1e0 [ 3279.155115][ T10] [ 3279.157298][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3279.157298][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3279.157298][ T10] ipv6_find_idev+0x102/0x170 [ 3279.157298][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3279.157298][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.157298][ T10] netlink_rcv_skb+0x130/0x360 [ 3279.157298][ T10] netlink_unicast+0x449/0x710 [ 3279.157298][ T10] netlink_sendmsg+0x723/0xbe0 [ 3279.157298][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3279.157298][ T10] ___sys_sendmsg+0xee/0x170 [ 3279.157298][ T10] __sys_sendmsg+0xcd/0x170 [ 3279.157298][ T10] do_syscall_64+0xc6/0x1e0 [ 3279.157298][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3279.157298][ T10] [ 3279.159523][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3279.159523][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3279.159523][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3279.159523][ T10] ipv6_find_idev+0x102/0x170 [ 3279.159523][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3279.159523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.159523][ T10] netlink_rcv_skb+0x130/0x360 [ 3279.159523][ T10] netlink_unicast+0x449/0x710 [ 3279.159523][ T10] netlink_sendmsg+0x723/0xbe0 [ 3279.159523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3279.159523][ T10] ___sys_sendmsg+0xee/0x170 [ 3279.159523][ T10] __sys_sendmsg+0xcd/0x170 [ 3279.159523][ T10] do_syscall_64+0xc6/0x1e0 [ 3279.159523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3279.159523][ T10] [ 3280.265069][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3280.265490][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3280.265490][ T1167] dst_init+0x84/0x4a0 [ 3280.265490][ T1167] dst_alloc+0x97/0x150 [ 3280.265490][ T1167] ip6_dst_alloc+0x23/0x90 [ 3280.265490][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3280.265490][ T1167] ip6_pol_route+0x56f/0x840 [ 3280.265490][ T1167] fib6_rule_lookup+0x334/0x630 [ 3280.265490][ T1167] ip6_route_output_flags+0x259/0x480 [ 3280.265490][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3280.265490][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3280.265490][ T1167] netlink_rcv_skb+0x130/0x360 [ 3280.265490][ T1167] netlink_unicast+0x449/0x710 [ 3280.265490][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3280.265490][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3280.265490][ T1167] ___sys_sendmsg+0xee/0x170 [ 3280.265490][ T1167] __sys_sendmsg+0xcd/0x170 [ 3280.265490][ T1167] do_syscall_64+0xc6/0x1e0 [ 3280.265490][ T1167] [ 3280.267663][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3280.267663][ T1167] netdev_get_by_index+0x5e/0x80 [ 3280.267663][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3280.267663][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3280.267663][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3280.267663][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3280.267663][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3280.267663][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3280.267663][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3280.267663][ T1167] addrconf_dad_begin+0x310/0x670 [ 3280.267663][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3280.267663][ T1167] process_one_work+0x84d/0x18a0 [ 3280.267663][ T1167] worker_thread+0x587/0xd30 [ 3280.267663][ T1167] kthread+0x28a/0x350 [ 3280.267663][ T1167] ret_from_fork+0x31/0x70 [ 3280.267663][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3280.267663][ T1167] [ 3280.269838][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3280.269838][ T1167] netdev_get_by_index+0x5e/0x80 [ 3280.269838][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3280.269838][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3280.269838][ T1167] ip6_route_add+0x1c/0x140 [ 3280.269838][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3280.269838][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3280.269838][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3280.269838][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3280.269838][ T1167] netlink_rcv_skb+0x130/0x360 [ 3280.269838][ T1167] netlink_unicast+0x449/0x710 [ 3280.269838][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3280.269838][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3280.269838][ T1167] ___sys_sendmsg+0xee/0x170 [ 3280.269838][ T1167] __sys_sendmsg+0xcd/0x170 [ 3280.269838][ T1167] do_syscall_64+0xc6/0x1e0 [ 3280.269838][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3280.269838][ T1167] [ 3280.272199][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3280.272199][ T1167] netdev_get_by_index+0x5e/0x80 [ 3280.272199][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3280.272199][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3280.272199][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3280.272199][ T1167] ipv6_add_addr+0x411/0x2000 [ 3280.272199][ T1167] inet6_addr_add+0x30e/0xa40 [ 3280.272199][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3280.272199][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3280.272199][ T1167] netlink_rcv_skb+0x130/0x360 [ 3280.272199][ T1167] netlink_unicast+0x449/0x710 [ 3280.272199][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3280.272199][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3280.272199][ T1167] ___sys_sendmsg+0xee/0x170 [ 3280.272199][ T1167] __sys_sendmsg+0xcd/0x170 [ 3280.272199][ T1167] do_syscall_64+0xc6/0x1e0 [ 3280.272199][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3280.272199][ T1167] [ 3280.274559][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3280.274559][ T1167] netdev_get_by_index+0x5e/0x80 [ 3280.274559][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3280.274559][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3280.274559][ T1167] ip6_route_add+0x1c/0x140 [ 3280.274559][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3280.274559][ T1167] addrconf_add_dev+0xe2/0x170 [ 3280.274559][ T1167] inet6_addr_add+0x12f/0xa40 [ 3280.274559][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3280.274559][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3280.274559][ T1167] netlink_rcv_skb+0x130/0x360 [ 3280.274559][ T1167] netlink_unicast+0x449/0x710 [ 3280.274559][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3280.274559][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3280.274559][ T1167] ___sys_sendmsg+0xee/0x170 [ 3280.274559][ T1167] __sys_sendmsg+0xcd/0x170 [ 3280.274559][ T1167] do_syscall_64+0xc6/0x1e0 [ 3280.274559][ T1167] [ 3280.276909][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3280.276909][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3280.276909][ T1167] ipv6_find_idev+0x102/0x170 [ 3280.276909][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3280.276909][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3280.276909][ T1167] netlink_rcv_skb+0x130/0x360 [ 3280.276909][ T1167] netlink_unicast+0x449/0x710 [ 3280.276909][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3280.276909][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3280.276909][ T1167] ___sys_sendmsg+0xee/0x170 [ 3280.276909][ T1167] __sys_sendmsg+0xcd/0x170 [ 3280.276909][ T1167] do_syscall_64+0xc6/0x1e0 [ 3280.276909][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3280.276909][ T1167] [ 3280.278743][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3280.278743][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3280.278743][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3280.278743][ T1167] ipv6_find_idev+0x102/0x170 [ 3280.278743][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3280.278743][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3280.278743][ T1167] netlink_rcv_skb+0x130/0x360 [ 3280.278743][ T1167] netlink_unicast+0x449/0x710 [ 3280.278743][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3280.278743][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3280.278743][ T1167] ___sys_sendmsg+0xee/0x170 [ 3280.278743][ T1167] __sys_sendmsg+0xcd/0x170 [ 3280.278743][ T1167] do_syscall_64+0xc6/0x1e0 [ 3280.278743][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3280.278743][ T1167] [ 3289.401051][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3289.401419][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3289.401419][ T10] netdev_get_by_index+0x5e/0x80 [ 3289.401419][ T10] fib6_nh_init+0x3d8/0x1580 [ 3289.401419][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3289.401419][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3289.401419][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3289.401419][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3289.401419][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3289.401419][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3289.401419][ T10] addrconf_dad_begin+0x310/0x670 [ 3289.401419][ T10] addrconf_dad_work+0x10b/0xab0 [ 3289.401419][ T10] process_one_work+0x84d/0x18a0 [ 3289.401419][ T10] worker_thread+0x587/0xd30 [ 3289.401419][ T10] kthread+0x28a/0x350 [ 3289.401419][ T10] ret_from_fork+0x31/0x70 [ 3289.401419][ T10] ret_from_fork_asm+0x1a/0x30 [ 3289.401419][ T10] [ 3289.403379][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3289.403379][ T10] netdev_get_by_index+0x5e/0x80 [ 3289.403379][ T10] fib6_nh_init+0x3d8/0x1580 [ 3289.403379][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3289.403379][ T10] ip6_route_add+0x1c/0x140 [ 3289.403379][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3289.403379][ T10] inet6_addr_add+0x4f8/0xa40 [ 3289.403379][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3289.403379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.403379][ T10] netlink_rcv_skb+0x130/0x360 [ 3289.403379][ T10] netlink_unicast+0x449/0x710 [ 3289.403379][ T10] netlink_sendmsg+0x723/0xbe0 [ 3289.403379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3289.403379][ T10] ___sys_sendmsg+0xee/0x170 [ 3289.403379][ T10] __sys_sendmsg+0xcd/0x170 [ 3289.403379][ T10] do_syscall_64+0xc6/0x1e0 [ 3289.403379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3289.403379][ T10] [ 3289.405408][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3289.405408][ T10] netdev_get_by_index+0x5e/0x80 [ 3289.405408][ T10] fib6_nh_init+0x3d8/0x1580 [ 3289.405408][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3289.405408][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3289.405408][ T10] ipv6_add_addr+0x411/0x2000 [ 3289.405408][ T10] inet6_addr_add+0x30e/0xa40 [ 3289.405408][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3289.405408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.405408][ T10] netlink_rcv_skb+0x130/0x360 [ 3289.405408][ T10] netlink_unicast+0x449/0x710 [ 3289.405408][ T10] netlink_sendmsg+0x723/0xbe0 [ 3289.405408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3289.405408][ T10] ___sys_sendmsg+0xee/0x170 [ 3289.405408][ T10] __sys_sendmsg+0xcd/0x170 [ 3289.405408][ T10] do_syscall_64+0xc6/0x1e0 [ 3289.405408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3289.405408][ T10] [ 3289.407445][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3289.407445][ T10] netdev_get_by_index+0x5e/0x80 [ 3289.407445][ T10] fib6_nh_init+0x3d8/0x1580 [ 3289.407445][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3289.407445][ T10] ip6_route_add+0x1c/0x140 [ 3289.407445][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3289.407445][ T10] addrconf_add_dev+0xe2/0x170 [ 3289.407445][ T10] inet6_addr_add+0x12f/0xa40 [ 3289.407445][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3289.407445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.407445][ T10] netlink_rcv_skb+0x130/0x360 [ 3289.407445][ T10] netlink_unicast+0x449/0x710 [ 3289.407445][ T10] netlink_sendmsg+0x723/0xbe0 [ 3289.407445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3289.407445][ T10] ___sys_sendmsg+0xee/0x170 [ 3289.407445][ T10] __sys_sendmsg+0xcd/0x170 [ 3289.407445][ T10] do_syscall_64+0xc6/0x1e0 [ 3289.407445][ T10] [ 3289.409437][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3289.409437][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3289.409437][ T10] ipv6_find_idev+0x102/0x170 [ 3289.409437][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3289.409437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.409437][ T10] netlink_rcv_skb+0x130/0x360 [ 3289.409437][ T10] netlink_unicast+0x449/0x710 [ 3289.409437][ T10] netlink_sendmsg+0x723/0xbe0 [ 3289.409437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3289.409437][ T10] ___sys_sendmsg+0xee/0x170 [ 3289.409437][ T10] __sys_sendmsg+0xcd/0x170 [ 3289.409437][ T10] do_syscall_64+0xc6/0x1e0 [ 3289.409437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3289.409437][ T10] [ 3289.411028][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3289.411028][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3289.411028][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3289.411028][ T10] ipv6_find_idev+0x102/0x170 [ 3289.411028][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3289.411028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.411028][ T10] netlink_rcv_skb+0x130/0x360 [ 3289.411028][ T10] netlink_unicast+0x449/0x710 [ 3289.411028][ T10] netlink_sendmsg+0x723/0xbe0 [ 3289.411028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3289.411028][ T10] ___sys_sendmsg+0xee/0x170 [ 3289.411028][ T10] __sys_sendmsg+0xcd/0x170 [ 3289.411028][ T10] do_syscall_64+0xc6/0x1e0 [ 3289.411028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3289.411028][ T10] [ 3289.412772][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3289.413034][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3289.413034][ T10] netdev_get_by_index+0x5e/0x80 [ 3289.413034][ T10] fib6_nh_init+0x3d8/0x1580 [ 3289.413034][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3289.413034][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3289.413034][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3289.413034][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3289.413034][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3289.413034][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3289.413034][ T10] addrconf_dad_begin+0x310/0x670 [ 3289.413034][ T10] addrconf_dad_work+0x10b/0xab0 [ 3289.413034][ T10] process_one_work+0x84d/0x18a0 [ 3289.413034][ T10] worker_thread+0x587/0xd30 [ 3289.413034][ T10] kthread+0x28a/0x350 [ 3289.413034][ T10] ret_from_fork+0x31/0x70 [ 3289.413034][ T10] ret_from_fork_asm+0x1a/0x30 [ 3289.413034][ T10] [ 3289.414978][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3289.414978][ T10] netdev_get_by_index+0x5e/0x80 [ 3289.414978][ T10] fib6_nh_init+0x3d8/0x1580 [ 3289.414978][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3289.414978][ T10] ip6_route_add+0x1c/0x140 [ 3289.414978][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3289.414978][ T10] inet6_addr_add+0x4f8/0xa40 [ 3289.414978][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3289.414978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.414978][ T10] netlink_rcv_skb+0x130/0x360 [ 3289.414978][ T10] netlink_unicast+0x449/0x710 [ 3289.414978][ T10] netlink_sendmsg+0x723/0xbe0 [ 3289.414978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3289.414978][ T10] ___sys_sendmsg+0xee/0x170 [ 3289.414978][ T10] __sys_sendmsg+0xcd/0x170 [ 3289.414978][ T10] do_syscall_64+0xc6/0x1e0 [ 3289.414978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3289.414978][ T10] [ 3289.417025][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3289.417025][ T10] netdev_get_by_index+0x5e/0x80 [ 3289.417025][ T10] fib6_nh_init+0x3d8/0x1580 [ 3289.417025][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3289.417025][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3289.417025][ T10] ipv6_add_addr+0x411/0x2000 [ 3289.417025][ T10] inet6_addr_add+0x30e/0xa40 [ 3289.417025][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3289.417025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.417025][ T10] netlink_rcv_skb+0x130/0x360 [ 3289.417025][ T10] netlink_unicast+0x449/0x710 [ 3289.417025][ T10] netlink_sendmsg+0x723/0xbe0 [ 3289.417025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3289.417025][ T10] ___sys_sendmsg+0xee/0x170 [ 3289.417025][ T10] __sys_sendmsg+0xcd/0x170 [ 3289.417025][ T10] do_syscall_64+0xc6/0x1e0 [ 3289.417025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3289.417025][ T10] [ 3289.419058][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3289.419058][ T10] netdev_get_by_index+0x5e/0x80 [ 3289.419058][ T10] fib6_nh_init+0x3d8/0x1580 [ 3289.419058][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3289.419058][ T10] ip6_route_add+0x1c/0x140 [ 3289.419058][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3289.419058][ T10] addrconf_add_dev+0xe2/0x170 [ 3289.419058][ T10] inet6_addr_add+0x12f/0xa40 [ 3289.419058][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3289.419058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.419058][ T10] netlink_rcv_skb+0x130/0x360 [ 3289.419058][ T10] netlink_unicast+0x449/0x710 [ 3289.419058][ T10] netlink_sendmsg+0x723/0xbe0 [ 3289.419058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3289.419058][ T10] ___sys_sendmsg+0xee/0x170 [ 3289.419058][ T10] __sys_sendmsg+0xcd/0x170 [ 3289.419058][ T10] do_syscall_64+0xc6/0x1e0 [ 3289.419058][ T10] [ 3289.421066][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3289.421066][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3289.421066][ T10] ipv6_find_idev+0x102/0x170 [ 3289.421066][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3289.421066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.421066][ T10] netlink_rcv_skb+0x130/0x360 [ 3289.421066][ T10] netlink_unicast+0x449/0x710 [ 3289.421066][ T10] netlink_sendmsg+0x723/0xbe0 [ 3289.421066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3289.421066][ T10] ___sys_sendmsg+0xee/0x170 [ 3289.421066][ T10] __sys_sendmsg+0xcd/0x170 [ 3289.421066][ T10] do_syscall_64+0xc6/0x1e0 [ 3289.421066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3289.421066][ T10] [ 3289.422648][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3289.422648][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3289.422648][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3289.422648][ T10] ipv6_find_idev+0x102/0x170 [ 3289.422648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3289.422648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.422648][ T10] netlink_rcv_skb+0x130/0x360 [ 3289.422648][ T10] netlink_unicast+0x449/0x710 [ 3289.422648][ T10] netlink_sendmsg+0x723/0xbe0 [ 3289.422648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3289.422648][ T10] ___sys_sendmsg+0xee/0x170 [ 3289.422648][ T10] __sys_sendmsg+0xcd/0x170 [ 3289.422648][ T10] do_syscall_64+0xc6/0x1e0 [ 3289.422648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3289.422648][ T10] [ 3289.424371][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3289.424633][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3289.424633][ T10] netdev_get_by_index+0x5e/0x80 [ 3289.424633][ T10] fib6_nh_init+0x3d8/0x1580 [ 3289.424633][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3289.424633][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3289.424633][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3289.424633][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3289.424633][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3289.424633][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3289.424633][ T10] addrconf_dad_begin+0x310/0x670 [ 3289.424633][ T10] addrconf_dad_work+0x10b/0xab0 [ 3289.424633][ T10] process_one_work+0x84d/0x18a0 [ 3289.424633][ T10] worker_thread+0x587/0xd30 [ 3289.424633][ T10] kthread+0x28a/0x350 [ 3289.424633][ T10] ret_from_fork+0x31/0x70 [ 3289.424633][ T10] ret_from_fork_asm+0x1a/0x30 [ 3289.424633][ T10] [ 3289.426585][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3289.426585][ T10] netdev_get_by_index+0x5e/0x80 [ 3289.426585][ T10] fib6_nh_init+0x3d8/0x1580 [ 3289.426585][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3289.426585][ T10] ip6_route_add+0x1c/0x140 [ 3289.426585][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3289.426585][ T10] inet6_addr_add+0x4f8/0xa40 [ 3289.426585][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3289.426585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.426585][ T10] netlink_rcv_skb+0x130/0x360 [ 3289.426585][ T10] netlink_unicast+0x449/0x710 [ 3289.426585][ T10] netlink_sendmsg+0x723/0xbe0 [ 3289.426585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3289.426585][ T10] ___sys_sendmsg+0xee/0x170 [ 3289.426585][ T10] __sys_sendmsg+0xcd/0x170 [ 3289.426585][ T10] do_syscall_64+0xc6/0x1e0 [ 3289.426585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3289.426585][ T10] [ 3289.428799][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3289.428799][ T10] netdev_get_by_index+0x5e/0x80 [ 3289.428799][ T10] fib6_nh_init+0x3d8/0x1580 [ 3289.428799][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3289.428799][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3289.428799][ T10] ipv6_add_addr+0x411/0x2000 [ 3289.428799][ T10] inet6_addr_add+0x30e/0xa40 [ 3289.428799][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3289.428799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.428799][ T10] netlink_rcv_skb+0x130/0x360 [ 3289.428799][ T10] netlink_unicast+0x449/0x710 [ 3289.428799][ T10] netlink_sendmsg+0x723/0xbe0 [ 3289.428799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3289.428799][ T10] ___sys_sendmsg+0xee/0x170 [ 3289.428799][ T10] __sys_sendmsg+0xcd/0x170 [ 3289.428799][ T10] do_syscall_64+0xc6/0x1e0 [ 3289.428799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3289.428799][ T10] [ 3289.431081][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3289.431081][ T10] netdev_get_by_index+0x5e/0x80 [ 3289.431081][ T10] fib6_nh_init+0x3d8/0x1580 [ 3289.431081][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3289.431081][ T10] ip6_route_add+0x1c/0x140 [ 3289.431081][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3289.431081][ T10] addrconf_add_dev+0xe2/0x170 [ 3289.431081][ T10] inet6_addr_add+0x12f/0xa40 [ 3289.431081][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3289.431081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.431081][ T10] netlink_rcv_skb+0x130/0x360 [ 3289.431081][ T10] netlink_unicast+0x449/0x710 [ 3289.431081][ T10] netlink_sendmsg+0x723/0xbe0 [ 3289.431081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3289.431081][ T10] ___sys_sendmsg+0xee/0x170 [ 3289.431081][ T10] __sys_sendmsg+0xcd/0x170 [ 3289.431081][ T10] do_syscall_64+0xc6/0x1e0 [ 3289.431081][ T10] [ 3289.433402][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3289.433402][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3289.433402][ T10] ipv6_find_idev+0x102/0x170 [ 3289.433402][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3289.433402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.433402][ T10] netlink_rcv_skb+0x130/0x360 [ 3289.433402][ T10] netlink_unicast+0x449/0x710 [ 3289.433402][ T10] netlink_sendmsg+0x723/0xbe0 [ 3289.433402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3289.433402][ T10] ___sys_sendmsg+0xee/0x170 [ 3289.433402][ T10] __sys_sendmsg+0xcd/0x170 [ 3289.433402][ T10] do_syscall_64+0xc6/0x1e0 [ 3289.433402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3289.433402][ T10] [ 3289.435172][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3289.435172][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3289.435172][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3289.435172][ T10] ipv6_find_idev+0x102/0x170 [ 3289.435172][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3289.435172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.435172][ T10] netlink_rcv_skb+0x130/0x360 [ 3289.435172][ T10] netlink_unicast+0x449/0x710 [ 3289.435172][ T10] netlink_sendmsg+0x723/0xbe0 [ 3289.435172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3289.435172][ T10] ___sys_sendmsg+0xee/0x170 [ 3289.435172][ T10] __sys_sendmsg+0xcd/0x170 [ 3289.435172][ T10] do_syscall_64+0xc6/0x1e0 [ 3289.435172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3289.435172][ T10] [ 3289.437090][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3289.437343][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3289.437343][ T10] netdev_get_by_index+0x5e/0x80 [ 3289.437343][ T10] fib6_nh_init+0x3d8/0x1580 [ 3289.437343][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3289.437343][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3289.437343][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3289.437343][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3289.437343][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3289.437343][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3289.437343][ T10] addrconf_dad_begin+0x310/0x670 [ 3289.437343][ T10] addrconf_dad_work+0x10b/0xab0 [ 3289.437343][ T10] process_one_work+0x84d/0x18a0 [ 3289.437343][ T10] worker_thread+0x587/0xd30 [ 3289.437343][ T10] kthread+0x28a/0x350 [ 3289.437343][ T10] ret_from_fork+0x31/0x70 [ 3289.437343][ T10] ret_from_fork_asm+0x1a/0x30 [ 3289.437343][ T10] [ 3289.439546][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3289.439546][ T10] netdev_get_by_index+0x5e/0x80 [ 3289.439546][ T10] fib6_nh_init+0x3d8/0x1580 [ 3289.439546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3289.439546][ T10] ip6_route_add+0x1c/0x140 [ 3289.439546][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3289.439546][ T10] inet6_addr_add+0x4f8/0xa40 [ 3289.439546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3289.439546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.439546][ T10] netlink_rcv_skb+0x130/0x360 [ 3289.439546][ T10] netlink_unicast+0x449/0x710 [ 3289.439546][ T10] netlink_sendmsg+0x723/0xbe0 [ 3289.439546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3289.439546][ T10] ___sys_sendmsg+0xee/0x170 [ 3289.439546][ T10] __sys_sendmsg+0xcd/0x170 [ 3289.439546][ T10] do_syscall_64+0xc6/0x1e0 [ 3289.439546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3289.439546][ T10] [ 3289.441887][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3289.441887][ T10] netdev_get_by_index+0x5e/0x80 [ 3289.441887][ T10] fib6_nh_init+0x3d8/0x1580 [ 3289.441887][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3289.441887][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3289.441887][ T10] ipv6_add_addr+0x411/0x2000 [ 3289.441887][ T10] inet6_addr_add+0x30e/0xa40 [ 3289.441887][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3289.441887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.441887][ T10] netlink_rcv_skb+0x130/0x360 [ 3289.441887][ T10] netlink_unicast+0x449/0x710 [ 3289.441887][ T10] netlink_sendmsg+0x723/0xbe0 [ 3289.441887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3289.441887][ T10] ___sys_sendmsg+0xee/0x170 [ 3289.441887][ T10] __sys_sendmsg+0xcd/0x170 [ 3289.441887][ T10] do_syscall_64+0xc6/0x1e0 [ 3289.441887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3289.441887][ T10] [ 3289.444175][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3289.444175][ T10] netdev_get_by_index+0x5e/0x80 [ 3289.444175][ T10] fib6_nh_init+0x3d8/0x1580 [ 3289.444175][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3289.444175][ T10] ip6_route_add+0x1c/0x140 [ 3289.444175][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3289.444175][ T10] addrconf_add_dev+0xe2/0x170 [ 3289.444175][ T10] inet6_addr_add+0x12f/0xa40 [ 3289.444175][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3289.444175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.444175][ T10] netlink_rcv_skb+0x130/0x360 [ 3289.444175][ T10] netlink_unicast+0x449/0x710 [ 3289.444175][ T10] netlink_sendmsg+0x723/0xbe0 [ 3289.444175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3289.444175][ T10] ___sys_sendmsg+0xee/0x170 [ 3289.444175][ T10] __sys_sendmsg+0xcd/0x170 [ 3289.444175][ T10] do_syscall_64+0xc6/0x1e0 [ 3289.444175][ T10] [ 3289.446350][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3289.446350][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3289.446350][ T10] ipv6_find_idev+0x102/0x170 [ 3289.446350][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3289.446350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.446350][ T10] netlink_rcv_skb+0x130/0x360 [ 3289.446350][ T10] netlink_unicast+0x449/0x710 [ 3289.446350][ T10] netlink_sendmsg+0x723/0xbe0 [ 3289.446350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3289.446350][ T10] ___sys_sendmsg+0xee/0x170 [ 3289.446350][ T10] __sys_sendmsg+0xcd/0x170 [ 3289.446350][ T10] do_syscall_64+0xc6/0x1e0 [ 3289.446350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3289.446350][ T10] [ 3289.448105][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3289.448105][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3289.448105][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3289.448105][ T10] ipv6_find_idev+0x102/0x170 [ 3289.448105][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3289.448105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.448105][ T10] netlink_rcv_skb+0x130/0x360 [ 3289.448105][ T10] netlink_unicast+0x449/0x710 [ 3289.448105][ T10] netlink_sendmsg+0x723/0xbe0 [ 3289.448105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3289.448105][ T10] ___sys_sendmsg+0xee/0x170 [ 3289.448105][ T10] __sys_sendmsg+0xcd/0x170 [ 3289.448105][ T10] do_syscall_64+0xc6/0x1e0 [ 3289.448105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3289.448105][ T10] [ 3290.521159][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3290.521586][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3290.521586][ T1167] dst_init+0x84/0x4a0 [ 3290.521586][ T1167] dst_alloc+0x97/0x150 [ 3290.521586][ T1167] ip6_dst_alloc+0x23/0x90 [ 3290.521586][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3290.521586][ T1167] ip6_pol_route+0x56f/0x840 [ 3290.521586][ T1167] fib6_rule_lookup+0x334/0x630 [ 3290.521586][ T1167] ip6_route_output_flags+0x259/0x480 [ 3290.521586][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3290.521586][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3290.521586][ T1167] netlink_rcv_skb+0x130/0x360 [ 3290.521586][ T1167] netlink_unicast+0x449/0x710 [ 3290.521586][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3290.521586][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3290.521586][ T1167] ___sys_sendmsg+0xee/0x170 [ 3290.521586][ T1167] __sys_sendmsg+0xcd/0x170 [ 3290.521586][ T1167] do_syscall_64+0xc6/0x1e0 [ 3290.521586][ T1167] [ 3290.523821][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3290.523821][ T1167] netdev_get_by_index+0x5e/0x80 [ 3290.523821][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3290.523821][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3290.523821][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3290.523821][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3290.523821][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3290.523821][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3290.523821][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3290.523821][ T1167] addrconf_dad_begin+0x310/0x670 [ 3290.523821][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3290.523821][ T1167] process_one_work+0x84d/0x18a0 [ 3290.523821][ T1167] worker_thread+0x587/0xd30 [ 3290.523821][ T1167] kthread+0x28a/0x350 [ 3290.523821][ T1167] ret_from_fork+0x31/0x70 [ 3290.523821][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3290.523821][ T1167] [ 3290.525978][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3290.525978][ T1167] netdev_get_by_index+0x5e/0x80 [ 3290.525978][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3290.525978][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3290.525978][ T1167] ip6_route_add+0x1c/0x140 [ 3290.525978][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3290.525978][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3290.525978][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3290.525978][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3290.525978][ T1167] netlink_rcv_skb+0x130/0x360 [ 3290.525978][ T1167] netlink_unicast+0x449/0x710 [ 3290.525978][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3290.525978][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3290.525978][ T1167] ___sys_sendmsg+0xee/0x170 [ 3290.525978][ T1167] __sys_sendmsg+0xcd/0x170 [ 3290.525978][ T1167] do_syscall_64+0xc6/0x1e0 [ 3290.525978][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3290.525978][ T1167] [ 3290.528219][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3290.528219][ T1167] netdev_get_by_index+0x5e/0x80 [ 3290.528219][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3290.528219][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3290.528219][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3290.528219][ T1167] ipv6_add_addr+0x411/0x2000 [ 3290.528219][ T1167] inet6_addr_add+0x30e/0xa40 [ 3290.528219][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3290.528219][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3290.528219][ T1167] netlink_rcv_skb+0x130/0x360 [ 3290.528219][ T1167] netlink_unicast+0x449/0x710 [ 3290.528219][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3290.528219][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3290.528219][ T1167] ___sys_sendmsg+0xee/0x170 [ 3290.528219][ T1167] __sys_sendmsg+0xcd/0x170 [ 3290.528219][ T1167] do_syscall_64+0xc6/0x1e0 [ 3290.528219][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3290.528219][ T1167] [ 3290.530476][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3290.530476][ T1167] netdev_get_by_index+0x5e/0x80 [ 3290.530476][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3290.530476][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3290.530476][ T1167] ip6_route_add+0x1c/0x140 [ 3290.530476][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3290.530476][ T1167] addrconf_add_dev+0xe2/0x170 [ 3290.530476][ T1167] inet6_addr_add+0x12f/0xa40 [ 3290.530476][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3290.530476][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3290.530476][ T1167] netlink_rcv_skb+0x130/0x360 [ 3290.530476][ T1167] netlink_unicast+0x449/0x710 [ 3290.530476][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3290.530476][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3290.530476][ T1167] ___sys_sendmsg+0xee/0x170 [ 3290.530476][ T1167] __sys_sendmsg+0xcd/0x170 [ 3290.530476][ T1167] do_syscall_64+0xc6/0x1e0 [ 3290.530476][ T1167] [ 3290.532700][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3290.532700][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3290.532700][ T1167] ipv6_find_idev+0x102/0x170 [ 3290.532700][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3290.532700][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3290.532700][ T1167] netlink_rcv_skb+0x130/0x360 [ 3290.532700][ T1167] netlink_unicast+0x449/0x710 [ 3290.532700][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3290.532700][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3290.532700][ T1167] ___sys_sendmsg+0xee/0x170 [ 3290.532700][ T1167] __sys_sendmsg+0xcd/0x170 [ 3290.532700][ T1167] do_syscall_64+0xc6/0x1e0 [ 3290.532700][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3290.532700][ T1167] [ 3290.534568][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3290.534568][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3290.534568][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3290.534568][ T1167] ipv6_find_idev+0x102/0x170 [ 3290.534568][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3290.534568][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3290.534568][ T1167] netlink_rcv_skb+0x130/0x360 [ 3290.534568][ T1167] netlink_unicast+0x449/0x710 [ 3290.534568][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3290.534568][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3290.534568][ T1167] ___sys_sendmsg+0xee/0x170 [ 3290.534568][ T1167] __sys_sendmsg+0xcd/0x170 [ 3290.534568][ T1167] do_syscall_64+0xc6/0x1e0 [ 3290.534568][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3290.534568][ T1167] [ 3299.689060][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3299.689487][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3299.689487][ T10] netdev_get_by_index+0x5e/0x80 [ 3299.689487][ T10] fib6_nh_init+0x3d8/0x1580 [ 3299.689487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3299.689487][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3299.689487][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3299.689487][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3299.689487][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3299.689487][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3299.689487][ T10] addrconf_dad_begin+0x310/0x670 [ 3299.689487][ T10] addrconf_dad_work+0x10b/0xab0 [ 3299.689487][ T10] process_one_work+0x84d/0x18a0 [ 3299.689487][ T10] worker_thread+0x587/0xd30 [ 3299.689487][ T10] kthread+0x28a/0x350 [ 3299.689487][ T10] ret_from_fork+0x31/0x70 [ 3299.689487][ T10] ret_from_fork_asm+0x1a/0x30 [ 3299.689487][ T10] [ 3299.691491][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3299.691491][ T10] netdev_get_by_index+0x5e/0x80 [ 3299.691491][ T10] fib6_nh_init+0x3d8/0x1580 [ 3299.691491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3299.691491][ T10] ip6_route_add+0x1c/0x140 [ 3299.691491][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3299.691491][ T10] inet6_addr_add+0x4f8/0xa40 [ 3299.691491][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3299.691491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3299.691491][ T10] netlink_rcv_skb+0x130/0x360 [ 3299.691491][ T10] netlink_unicast+0x449/0x710 [ 3299.691491][ T10] netlink_sendmsg+0x723/0xbe0 [ 3299.691491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3299.691491][ T10] ___sys_sendmsg+0xee/0x170 [ 3299.691491][ T10] __sys_sendmsg+0xcd/0x170 [ 3299.691491][ T10] do_syscall_64+0xc6/0x1e0 [ 3299.691491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3299.691491][ T10] [ 3299.693641][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3299.693641][ T10] netdev_get_by_index+0x5e/0x80 [ 3299.693641][ T10] fib6_nh_init+0x3d8/0x1580 [ 3299.693641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3299.693641][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3299.693641][ T10] ipv6_add_addr+0x411/0x2000 [ 3299.693641][ T10] inet6_addr_add+0x30e/0xa40 [ 3299.693641][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3299.693641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3299.693641][ T10] netlink_rcv_skb+0x130/0x360 [ 3299.693641][ T10] netlink_unicast+0x449/0x710 [ 3299.693641][ T10] netlink_sendmsg+0x723/0xbe0 [ 3299.693641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3299.693641][ T10] ___sys_sendmsg+0xee/0x170 [ 3299.693641][ T10] __sys_sendmsg+0xcd/0x170 [ 3299.693641][ T10] do_syscall_64+0xc6/0x1e0 [ 3299.693641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3299.693641][ T10] [ 3299.695689][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3299.695689][ T10] netdev_get_by_index+0x5e/0x80 [ 3299.695689][ T10] fib6_nh_init+0x3d8/0x1580 [ 3299.695689][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3299.695689][ T10] ip6_route_add+0x1c/0x140 [ 3299.695689][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3299.695689][ T10] addrconf_add_dev+0xe2/0x170 [ 3299.695689][ T10] inet6_addr_add+0x12f/0xa40 [ 3299.695689][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3299.695689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3299.695689][ T10] netlink_rcv_skb+0x130/0x360 [ 3299.695689][ T10] netlink_unicast+0x449/0x710 [ 3299.695689][ T10] netlink_sendmsg+0x723/0xbe0 [ 3299.695689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3299.695689][ T10] ___sys_sendmsg+0xee/0x170 [ 3299.695689][ T10] __sys_sendmsg+0xcd/0x170 [ 3299.695689][ T10] do_syscall_64+0xc6/0x1e0 [ 3299.695689][ T10] [ 3299.697689][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3299.697689][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3299.697689][ T10] ipv6_find_idev+0x102/0x170 [ 3299.697689][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3299.697689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3299.697689][ T10] netlink_rcv_skb+0x130/0x360 [ 3299.697689][ T10] netlink_unicast+0x449/0x710 [ 3299.697689][ T10] netlink_sendmsg+0x723/0xbe0 [ 3299.697689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3299.697689][ T10] ___sys_sendmsg+0xee/0x170 [ 3299.697689][ T10] __sys_sendmsg+0xcd/0x170 [ 3299.697689][ T10] do_syscall_64+0xc6/0x1e0 [ 3299.697689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3299.697689][ T10] [ 3299.699250][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3299.699250][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3299.699250][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3299.699250][ T10] ipv6_find_idev+0x102/0x170 [ 3299.699250][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3299.699250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3299.699250][ T10] netlink_rcv_skb+0x130/0x360 [ 3299.699250][ T10] netlink_unicast+0x449/0x710 [ 3299.699250][ T10] netlink_sendmsg+0x723/0xbe0 [ 3299.699250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3299.699250][ T10] ___sys_sendmsg+0xee/0x170 [ 3299.699250][ T10] __sys_sendmsg+0xcd/0x170 [ 3299.699250][ T10] do_syscall_64+0xc6/0x1e0 [ 3299.699250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3299.699250][ T10] [ 3299.701020][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3299.701274][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3299.701274][ T10] netdev_get_by_index+0x5e/0x80 [ 3299.701274][ T10] fib6_nh_init+0x3d8/0x1580 [ 3299.701274][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3299.701274][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3299.701274][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3299.701274][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3299.701274][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3299.701274][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3299.701274][ T10] addrconf_dad_begin+0x310/0x670 [ 3299.701274][ T10] addrconf_dad_work+0x10b/0xab0 [ 3299.701274][ T10] process_one_work+0x84d/0x18a0 [ 3299.701274][ T10] worker_thread+0x587/0xd30 [ 3299.701274][ T10] kthread+0x28a/0x350 [ 3299.701274][ T10] ret_from_fork+0x31/0x70 [ 3299.701274][ T10] ret_from_fork_asm+0x1a/0x30 [ 3299.701274][ T10] [ 3299.703216][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3299.703216][ T10] netdev_get_by_index+0x5e/0x80 [ 3299.703216][ T10] fib6_nh_init+0x3d8/0x1580 [ 3299.703216][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3299.703216][ T10] ip6_route_add+0x1c/0x140 [ 3299.703216][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3299.703216][ T10] inet6_addr_add+0x4f8/0xa40 [ 3299.703216][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3299.703216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3299.703216][ T10] netlink_rcv_skb+0x130/0x360 [ 3299.703216][ T10] netlink_unicast+0x449/0x710 [ 3299.703216][ T10] netlink_sendmsg+0x723/0xbe0 [ 3299.703216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3299.703216][ T10] ___sys_sendmsg+0xee/0x170 [ 3299.703216][ T10] __sys_sendmsg+0xcd/0x170 [ 3299.703216][ T10] do_syscall_64+0xc6/0x1e0 [ 3299.703216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3299.703216][ T10] [ 3299.705231][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3299.705231][ T10] netdev_get_by_index+0x5e/0x80 [ 3299.705231][ T10] fib6_nh_init+0x3d8/0x1580 [ 3299.705231][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3299.705231][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3299.705231][ T10] ipv6_add_addr+0x411/0x2000 [ 3299.705231][ T10] inet6_addr_add+0x30e/0xa40 [ 3299.705231][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3299.705231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3299.705231][ T10] netlink_rcv_skb+0x130/0x360 [ 3299.705231][ T10] netlink_unicast+0x449/0x710 [ 3299.705231][ T10] netlink_sendmsg+0x723/0xbe0 [ 3299.705231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3299.705231][ T10] ___sys_sendmsg+0xee/0x170 [ 3299.705231][ T10] __sys_sendmsg+0xcd/0x170 [ 3299.705231][ T10] do_syscall_64+0xc6/0x1e0 [ 3299.705231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3299.705231][ T10] [ 3299.707241][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3299.707241][ T10] netdev_get_by_index+0x5e/0x80 [ 3299.707241][ T10] fib6_nh_init+0x3d8/0x1580 [ 3299.707241][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3299.707241][ T10] ip6_route_add+0x1c/0x140 [ 3299.707241][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3299.707241][ T10] addrconf_add_dev+0xe2/0x170 [ 3299.707241][ T10] inet6_addr_add+0x12f/0xa40 [ 3299.707241][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3299.707241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3299.707241][ T10] netlink_rcv_skb+0x130/0x360 [ 3299.707241][ T10] netlink_unicast+0x449/0x710 [ 3299.707241][ T10] netlink_sendmsg+0x723/0xbe0 [ 3299.707241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3299.707241][ T10] ___sys_sendmsg+0xee/0x170 [ 3299.707241][ T10] __sys_sendmsg+0xcd/0x170 [ 3299.707241][ T10] do_syscall_64+0xc6/0x1e0 [ 3299.707241][ T10] [ 3299.709222][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3299.709222][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3299.709222][ T10] ipv6_find_idev+0x102/0x170 [ 3299.709222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3299.709222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3299.709222][ T10] netlink_rcv_skb+0x130/0x360 [ 3299.709222][ T10] netlink_unicast+0x449/0x710 [ 3299.709222][ T10] netlink_sendmsg+0x723/0xbe0 [ 3299.709222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3299.709222][ T10] ___sys_sendmsg+0xee/0x170 [ 3299.709222][ T10] __sys_sendmsg+0xcd/0x170 [ 3299.709222][ T10] do_syscall_64+0xc6/0x1e0 [ 3299.709222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3299.709222][ T10] [ 3299.710805][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3299.710805][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3299.710805][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3299.710805][ T10] ipv6_find_idev+0x102/0x170 [ 3299.710805][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3299.710805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3299.710805][ T10] netlink_rcv_skb+0x130/0x360 [ 3299.710805][ T10] netlink_unicast+0x449/0x710 [ 3299.710805][ T10] netlink_sendmsg+0x723/0xbe0 [ 3299.710805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3299.710805][ T10] ___sys_sendmsg+0xee/0x170 [ 3299.710805][ T10] __sys_sendmsg+0xcd/0x170 [ 3299.710805][ T10] do_syscall_64+0xc6/0x1e0 [ 3299.710805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3299.710805][ T10] [ 3299.712539][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3299.712805][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3299.712805][ T10] netdev_get_by_index+0x5e/0x80 [ 3299.712805][ T10] fib6_nh_init+0x3d8/0x1580 [ 3299.712805][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3299.712805][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3299.712805][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3299.712805][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3299.712805][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3299.712805][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3299.712805][ T10] addrconf_dad_begin+0x310/0x670 [ 3299.712805][ T10] addrconf_dad_work+0x10b/0xab0 [ 3299.712805][ T10] process_one_work+0x84d/0x18a0 [ 3299.712805][ T10] worker_thread+0x587/0xd30 [ 3299.712805][ T10] kthread+0x28a/0x350 [ 3299.712805][ T10] ret_from_fork+0x31/0x70 [ 3299.712805][ T10] ret_from_fork_asm+0x1a/0x30 [ 3299.712805][ T10] [ 3299.714746][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3299.714746][ T10] netdev_get_by_index+0x5e/0x80 [ 3299.714746][ T10] fib6_nh_init+0x3d8/0x1580 [ 3299.714746][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3299.714746][ T10] ip6_route_add+0x1c/0x140 [ 3299.714746][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3299.714746][ T10] inet6_addr_add+0x4f8/0xa40 [ 3299.714746][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3299.714746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3299.714746][ T10] netlink_rcv_skb+0x130/0x360 [ 3299.714746][ T10] netlink_unicast+0x449/0x710 [ 3299.714746][ T10] netlink_sendmsg+0x723/0xbe0 [ 3299.714746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3299.714746][ T10] ___sys_sendmsg+0xee/0x170 [ 3299.714746][ T10] __sys_sendmsg+0xcd/0x170 [ 3299.714746][ T10] do_syscall_64+0xc6/0x1e0 [ 3299.714746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3299.714746][ T10] [ 3299.716965][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3299.716965][ T10] netdev_get_by_index+0x5e/0x80 [ 3299.716965][ T10] fib6_nh_init+0x3d8/0x1580 [ 3299.716965][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3299.716965][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3299.716965][ T10] ipv6_add_addr+0x411/0x2000 [ 3299.716965][ T10] inet6_addr_add+0x30e/0xa40 [ 3299.716965][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3299.716965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3299.716965][ T10] netlink_rcv_skb+0x130/0x360 [ 3299.716965][ T10] netlink_unicast+0x449/0x710 [ 3299.716965][ T10] netlink_sendmsg+0x723/0xbe0 [ 3299.716965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3299.716965][ T10] ___sys_sendmsg+0xee/0x170 [ 3299.716965][ T10] __sys_sendmsg+0xcd/0x170 [ 3299.716965][ T10] do_syscall_64+0xc6/0x1e0 [ 3299.716965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3299.716965][ T10] [ 3299.719307][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3299.719307][ T10] netdev_get_by_index+0x5e/0x80 [ 3299.719307][ T10] fib6_nh_init+0x3d8/0x1580 [ 3299.719307][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3299.719307][ T10] ip6_route_add+0x1c/0x140 [ 3299.719307][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3299.719307][ T10] addrconf_add_dev+0xe2/0x170 [ 3299.719307][ T10] inet6_addr_add+0x12f/0xa40 [ 3299.719307][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3299.719307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3299.719307][ T10] netlink_rcv_skb+0x130/0x360 [ 3299.719307][ T10] netlink_unicast+0x449/0x710 [ 3299.719307][ T10] netlink_sendmsg+0x723/0xbe0 [ 3299.719307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3299.719307][ T10] ___sys_sendmsg+0xee/0x170 [ 3299.719307][ T10] __sys_sendmsg+0xcd/0x170 [ 3299.719307][ T10] do_syscall_64+0xc6/0x1e0 [ 3299.719307][ T10] [ 3299.721591][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3299.721591][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3299.721591][ T10] ipv6_find_idev+0x102/0x170 [ 3299.721591][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3299.721591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3299.721591][ T10] netlink_rcv_skb+0x130/0x360 [ 3299.721591][ T10] netlink_unicast+0x449/0x710 [ 3299.721591][ T10] netlink_sendmsg+0x723/0xbe0 [ 3299.721591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3299.721591][ T10] ___sys_sendmsg+0xee/0x170 [ 3299.721591][ T10] __sys_sendmsg+0xcd/0x170 [ 3299.721591][ T10] do_syscall_64+0xc6/0x1e0 [ 3299.721591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3299.721591][ T10] [ 3299.723352][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3299.723352][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3299.723352][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3299.723352][ T10] ipv6_find_idev+0x102/0x170 [ 3299.723352][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3299.723352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3299.723352][ T10] netlink_rcv_skb+0x130/0x360 [ 3299.723352][ T10] netlink_unicast+0x449/0x710 [ 3299.723352][ T10] netlink_sendmsg+0x723/0xbe0 [ 3299.723352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3299.723352][ T10] ___sys_sendmsg+0xee/0x170 [ 3299.723352][ T10] __sys_sendmsg+0xcd/0x170 [ 3299.723352][ T10] do_syscall_64+0xc6/0x1e0 [ 3299.723352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3299.723352][ T10] [ 3299.725265][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3299.725515][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3299.725515][ T10] netdev_get_by_index+0x5e/0x80 [ 3299.725515][ T10] fib6_nh_init+0x3d8/0x1580 [ 3299.725515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3299.725515][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3299.725515][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3299.725515][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3299.725515][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3299.725515][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3299.725515][ T10] addrconf_dad_begin+0x310/0x670 [ 3299.725515][ T10] addrconf_dad_work+0x10b/0xab0 [ 3299.725515][ T10] process_one_work+0x84d/0x18a0 [ 3299.725515][ T10] worker_thread+0x587/0xd30 [ 3299.725515][ T10] kthread+0x28a/0x350 [ 3299.725515][ T10] ret_from_fork+0x31/0x70 [ 3299.725515][ T10] ret_from_fork_asm+0x1a/0x30 [ 3299.725515][ T10] [ 3299.727797][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3299.727797][ T10] netdev_get_by_index+0x5e/0x80 [ 3299.727797][ T10] fib6_nh_init+0x3d8/0x1580 [ 3299.727797][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3299.727797][ T10] ip6_route_add+0x1c/0x140 [ 3299.727797][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3299.727797][ T10] inet6_addr_add+0x4f8/0xa40 [ 3299.727797][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3299.727797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3299.727797][ T10] netlink_rcv_skb+0x130/0x360 [ 3299.727797][ T10] netlink_unicast+0x449/0x710 [ 3299.727797][ T10] netlink_sendmsg+0x723/0xbe0 [ 3299.727797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3299.727797][ T10] ___sys_sendmsg+0xee/0x170 [ 3299.727797][ T10] __sys_sendmsg+0xcd/0x170 [ 3299.727797][ T10] do_syscall_64+0xc6/0x1e0 [ 3299.727797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3299.727797][ T10] [ 3299.730079][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3299.730079][ T10] netdev_get_by_index+0x5e/0x80 [ 3299.730079][ T10] fib6_nh_init+0x3d8/0x1580 [ 3299.730079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3299.730079][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3299.730079][ T10] ipv6_add_addr+0x411/0x2000 [ 3299.730079][ T10] inet6_addr_add+0x30e/0xa40 [ 3299.730079][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3299.730079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3299.730079][ T10] netlink_rcv_skb+0x130/0x360 [ 3299.730079][ T10] netlink_unicast+0x449/0x710 [ 3299.730079][ T10] netlink_sendmsg+0x723/0xbe0 [ 3299.730079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3299.730079][ T10] ___sys_sendmsg+0xee/0x170 [ 3299.730079][ T10] __sys_sendmsg+0xcd/0x170 [ 3299.730079][ T10] do_syscall_64+0xc6/0x1e0 [ 3299.730079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3299.730079][ T10] [ 3299.732369][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3299.732369][ T10] netdev_get_by_index+0x5e/0x80 [ 3299.732369][ T10] fib6_nh_init+0x3d8/0x1580 [ 3299.732369][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3299.732369][ T10] ip6_route_add+0x1c/0x140 [ 3299.732369][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3299.732369][ T10] addrconf_add_dev+0xe2/0x170 [ 3299.732369][ T10] inet6_addr_add+0x12f/0xa40 [ 3299.732369][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3299.732369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3299.732369][ T10] netlink_rcv_skb+0x130/0x360 [ 3299.732369][ T10] netlink_unicast+0x449/0x710 [ 3299.732369][ T10] netlink_sendmsg+0x723/0xbe0 [ 3299.732369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3299.732369][ T10] ___sys_sendmsg+0xee/0x170 [ 3299.732369][ T10] __sys_sendmsg+0xcd/0x170 [ 3299.732369][ T10] do_syscall_64+0xc6/0x1e0 [ 3299.732369][ T10] [ 3299.734573][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3299.734573][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3299.734573][ T10] ipv6_find_idev+0x102/0x170 [ 3299.734573][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3299.734573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3299.734573][ T10] netlink_rcv_skb+0x130/0x360 [ 3299.734573][ T10] netlink_unicast+0x449/0x710 [ 3299.734573][ T10] netlink_sendmsg+0x723/0xbe0 [ 3299.734573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3299.734573][ T10] ___sys_sendmsg+0xee/0x170 [ 3299.734573][ T10] __sys_sendmsg+0xcd/0x170 [ 3299.734573][ T10] do_syscall_64+0xc6/0x1e0 [ 3299.734573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3299.734573][ T10] [ 3299.736319][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3299.736319][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3299.736319][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3299.736319][ T10] ipv6_find_idev+0x102/0x170 [ 3299.736319][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3299.736319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3299.736319][ T10] netlink_rcv_skb+0x130/0x360 [ 3299.736319][ T10] netlink_unicast+0x449/0x710 [ 3299.736319][ T10] netlink_sendmsg+0x723/0xbe0 [ 3299.736319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3299.736319][ T10] ___sys_sendmsg+0xee/0x170 [ 3299.736319][ T10] __sys_sendmsg+0xcd/0x170 [ 3299.736319][ T10] do_syscall_64+0xc6/0x1e0 [ 3299.736319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3299.736319][ T10] [ 3300.777105][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3300.777521][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3300.777521][ T1167] dst_init+0x84/0x4a0 [ 3300.777521][ T1167] dst_alloc+0x97/0x150 [ 3300.777521][ T1167] ip6_dst_alloc+0x23/0x90 [ 3300.777521][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3300.777521][ T1167] ip6_pol_route+0x56f/0x840 [ 3300.777521][ T1167] fib6_rule_lookup+0x334/0x630 [ 3300.777521][ T1167] ip6_route_output_flags+0x259/0x480 [ 3300.777521][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3300.777521][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3300.777521][ T1167] netlink_rcv_skb+0x130/0x360 [ 3300.777521][ T1167] netlink_unicast+0x449/0x710 [ 3300.777521][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3300.777521][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3300.777521][ T1167] ___sys_sendmsg+0xee/0x170 [ 3300.777521][ T1167] __sys_sendmsg+0xcd/0x170 [ 3300.777521][ T1167] do_syscall_64+0xc6/0x1e0 [ 3300.777521][ T1167] [ 3300.779750][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3300.779750][ T1167] netdev_get_by_index+0x5e/0x80 [ 3300.779750][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3300.779750][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3300.779750][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3300.779750][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3300.779750][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3300.779750][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3300.779750][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3300.779750][ T1167] addrconf_dad_begin+0x310/0x670 [ 3300.779750][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3300.779750][ T1167] process_one_work+0x84d/0x18a0 [ 3300.779750][ T1167] worker_thread+0x587/0xd30 [ 3300.779750][ T1167] kthread+0x28a/0x350 [ 3300.779750][ T1167] ret_from_fork+0x31/0x70 [ 3300.779750][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3300.779750][ T1167] [ 3300.781905][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3300.781905][ T1167] netdev_get_by_index+0x5e/0x80 [ 3300.781905][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3300.781905][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3300.781905][ T1167] ip6_route_add+0x1c/0x140 [ 3300.781905][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3300.781905][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3300.781905][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3300.781905][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3300.781905][ T1167] netlink_rcv_skb+0x130/0x360 [ 3300.781905][ T1167] netlink_unicast+0x449/0x710 [ 3300.781905][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3300.781905][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3300.781905][ T1167] ___sys_sendmsg+0xee/0x170 [ 3300.781905][ T1167] __sys_sendmsg+0xcd/0x170 [ 3300.781905][ T1167] do_syscall_64+0xc6/0x1e0 [ 3300.781905][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3300.781905][ T1167] [ 3300.784174][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3300.784174][ T1167] netdev_get_by_index+0x5e/0x80 [ 3300.784174][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3300.784174][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3300.784174][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3300.784174][ T1167] ipv6_add_addr+0x411/0x2000 [ 3300.784174][ T1167] inet6_addr_add+0x30e/0xa40 [ 3300.784174][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3300.784174][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3300.784174][ T1167] netlink_rcv_skb+0x130/0x360 [ 3300.784174][ T1167] netlink_unicast+0x449/0x710 [ 3300.784174][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3300.784174][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3300.784174][ T1167] ___sys_sendmsg+0xee/0x170 [ 3300.784174][ T1167] __sys_sendmsg+0xcd/0x170 [ 3300.784174][ T1167] do_syscall_64+0xc6/0x1e0 [ 3300.784174][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3300.784174][ T1167] [ 3300.786419][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3300.786419][ T1167] netdev_get_by_index+0x5e/0x80 [ 3300.786419][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3300.786419][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3300.786419][ T1167] ip6_route_add+0x1c/0x140 [ 3300.786419][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3300.786419][ T1167] addrconf_add_dev+0xe2/0x170 [ 3300.786419][ T1167] inet6_addr_add+0x12f/0xa40 [ 3300.786419][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3300.786419][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3300.786419][ T1167] netlink_rcv_skb+0x130/0x360 [ 3300.786419][ T1167] netlink_unicast+0x449/0x710 [ 3300.786419][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3300.786419][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3300.786419][ T1167] ___sys_sendmsg+0xee/0x170 [ 3300.786419][ T1167] __sys_sendmsg+0xcd/0x170 [ 3300.786419][ T1167] do_syscall_64+0xc6/0x1e0 [ 3300.786419][ T1167] [ 3300.788636][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3300.788636][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3300.788636][ T1167] ipv6_find_idev+0x102/0x170 [ 3300.788636][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3300.788636][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3300.788636][ T1167] netlink_rcv_skb+0x130/0x360 [ 3300.788636][ T1167] netlink_unicast+0x449/0x710 [ 3300.788636][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3300.788636][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3300.788636][ T1167] ___sys_sendmsg+0xee/0x170 [ 3300.788636][ T1167] __sys_sendmsg+0xcd/0x170 [ 3300.788636][ T1167] do_syscall_64+0xc6/0x1e0 [ 3300.788636][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3300.788636][ T1167] [ 3300.790366][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3300.790366][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3300.790366][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3300.790366][ T1167] ipv6_find_idev+0x102/0x170 [ 3300.790366][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3300.790366][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3300.790366][ T1167] netlink_rcv_skb+0x130/0x360 [ 3300.790366][ T1167] netlink_unicast+0x449/0x710 [ 3300.790366][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3300.790366][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3300.790366][ T1167] ___sys_sendmsg+0xee/0x170 [ 3300.790366][ T1167] __sys_sendmsg+0xcd/0x170 [ 3300.790366][ T1167] do_syscall_64+0xc6/0x1e0 [ 3300.790366][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3300.790366][ T1167] [ 3309.977139][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3309.977527][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3309.977527][ T10] netdev_get_by_index+0x5e/0x80 [ 3309.977527][ T10] fib6_nh_init+0x3d8/0x1580 [ 3309.977527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3309.977527][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3309.977527][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3309.977527][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3309.977527][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3309.977527][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3309.977527][ T10] addrconf_dad_begin+0x310/0x670 [ 3309.977527][ T10] addrconf_dad_work+0x10b/0xab0 [ 3309.977527][ T10] process_one_work+0x84d/0x18a0 [ 3309.977527][ T10] worker_thread+0x587/0xd30 [ 3309.977527][ T10] kthread+0x28a/0x350 [ 3309.977527][ T10] ret_from_fork+0x31/0x70 [ 3309.977527][ T10] ret_from_fork_asm+0x1a/0x30 [ 3309.977527][ T10] [ 3309.979491][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3309.979491][ T10] netdev_get_by_index+0x5e/0x80 [ 3309.979491][ T10] fib6_nh_init+0x3d8/0x1580 [ 3309.979491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3309.979491][ T10] ip6_route_add+0x1c/0x140 [ 3309.979491][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3309.979491][ T10] inet6_addr_add+0x4f8/0xa40 [ 3309.979491][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3309.979491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3309.979491][ T10] netlink_rcv_skb+0x130/0x360 [ 3309.979491][ T10] netlink_unicast+0x449/0x710 [ 3309.979491][ T10] netlink_sendmsg+0x723/0xbe0 [ 3309.979491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3309.979491][ T10] ___sys_sendmsg+0xee/0x170 [ 3309.979491][ T10] __sys_sendmsg+0xcd/0x170 [ 3309.979491][ T10] do_syscall_64+0xc6/0x1e0 [ 3309.979491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3309.979491][ T10] [ 3309.981640][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3309.981640][ T10] netdev_get_by_index+0x5e/0x80 [ 3309.981640][ T10] fib6_nh_init+0x3d8/0x1580 [ 3309.981640][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3309.981640][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3309.981640][ T10] ipv6_add_addr+0x411/0x2000 [ 3309.981640][ T10] inet6_addr_add+0x30e/0xa40 [ 3309.981640][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3309.981640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3309.981640][ T10] netlink_rcv_skb+0x130/0x360 [ 3309.981640][ T10] netlink_unicast+0x449/0x710 [ 3309.981640][ T10] netlink_sendmsg+0x723/0xbe0 [ 3309.981640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3309.981640][ T10] ___sys_sendmsg+0xee/0x170 [ 3309.981640][ T10] __sys_sendmsg+0xcd/0x170 [ 3309.981640][ T10] do_syscall_64+0xc6/0x1e0 [ 3309.981640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3309.981640][ T10] [ 3309.983671][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3309.983671][ T10] netdev_get_by_index+0x5e/0x80 [ 3309.983671][ T10] fib6_nh_init+0x3d8/0x1580 [ 3309.983671][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3309.983671][ T10] ip6_route_add+0x1c/0x140 [ 3309.983671][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3309.983671][ T10] addrconf_add_dev+0xe2/0x170 [ 3309.983671][ T10] inet6_addr_add+0x12f/0xa40 [ 3309.983671][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3309.983671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3309.983671][ T10] netlink_rcv_skb+0x130/0x360 [ 3309.983671][ T10] netlink_unicast+0x449/0x710 [ 3309.983671][ T10] netlink_sendmsg+0x723/0xbe0 [ 3309.983671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3309.983671][ T10] ___sys_sendmsg+0xee/0x170 [ 3309.983671][ T10] __sys_sendmsg+0xcd/0x170 [ 3309.983671][ T10] do_syscall_64+0xc6/0x1e0 [ 3309.983671][ T10] [ 3309.985670][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3309.985670][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3309.985670][ T10] ipv6_find_idev+0x102/0x170 [ 3309.985670][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3309.985670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3309.985670][ T10] netlink_rcv_skb+0x130/0x360 [ 3309.985670][ T10] netlink_unicast+0x449/0x710 [ 3309.985670][ T10] netlink_sendmsg+0x723/0xbe0 [ 3309.985670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3309.985670][ T10] ___sys_sendmsg+0xee/0x170 [ 3309.985670][ T10] __sys_sendmsg+0xcd/0x170 [ 3309.985670][ T10] do_syscall_64+0xc6/0x1e0 [ 3309.985670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3309.985670][ T10] [ 3309.987210][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3309.987210][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3309.987210][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3309.987210][ T10] ipv6_find_idev+0x102/0x170 [ 3309.987210][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3309.987210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3309.987210][ T10] netlink_rcv_skb+0x130/0x360 [ 3309.987210][ T10] netlink_unicast+0x449/0x710 [ 3309.987210][ T10] netlink_sendmsg+0x723/0xbe0 [ 3309.987210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3309.987210][ T10] ___sys_sendmsg+0xee/0x170 [ 3309.987210][ T10] __sys_sendmsg+0xcd/0x170 [ 3309.987210][ T10] do_syscall_64+0xc6/0x1e0 [ 3309.987210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3309.987210][ T10] [ 3309.988924][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3309.989183][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3309.989183][ T10] netdev_get_by_index+0x5e/0x80 [ 3309.989183][ T10] fib6_nh_init+0x3d8/0x1580 [ 3309.989183][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3309.989183][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3309.989183][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3309.989183][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3309.989183][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3309.989183][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3309.989183][ T10] addrconf_dad_begin+0x310/0x670 [ 3309.989183][ T10] addrconf_dad_work+0x10b/0xab0 [ 3309.989183][ T10] process_one_work+0x84d/0x18a0 [ 3309.989183][ T10] worker_thread+0x587/0xd30 [ 3309.989183][ T10] kthread+0x28a/0x350 [ 3309.989183][ T10] ret_from_fork+0x31/0x70 [ 3309.989183][ T10] ret_from_fork_asm+0x1a/0x30 [ 3309.989183][ T10] [ 3309.991131][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3309.991131][ T10] netdev_get_by_index+0x5e/0x80 [ 3309.991131][ T10] fib6_nh_init+0x3d8/0x1580 [ 3309.991131][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3309.991131][ T10] ip6_route_add+0x1c/0x140 [ 3309.991131][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3309.991131][ T10] inet6_addr_add+0x4f8/0xa40 [ 3309.991131][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3309.991131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3309.991131][ T10] netlink_rcv_skb+0x130/0x360 [ 3309.991131][ T10] netlink_unicast+0x449/0x710 [ 3309.991131][ T10] netlink_sendmsg+0x723/0xbe0 [ 3309.991131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3309.991131][ T10] ___sys_sendmsg+0xee/0x170 [ 3309.991131][ T10] __sys_sendmsg+0xcd/0x170 [ 3309.991131][ T10] do_syscall_64+0xc6/0x1e0 [ 3309.991131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3309.991131][ T10] [ 3309.993150][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3309.993150][ T10] netdev_get_by_index+0x5e/0x80 [ 3309.993150][ T10] fib6_nh_init+0x3d8/0x1580 [ 3309.993150][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3309.993150][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3309.993150][ T10] ipv6_add_addr+0x411/0x2000 [ 3309.993150][ T10] inet6_addr_add+0x30e/0xa40 [ 3309.993150][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3309.993150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3309.993150][ T10] netlink_rcv_skb+0x130/0x360 [ 3309.993150][ T10] netlink_unicast+0x449/0x710 [ 3309.993150][ T10] netlink_sendmsg+0x723/0xbe0 [ 3309.993150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3309.993150][ T10] ___sys_sendmsg+0xee/0x170 [ 3309.993150][ T10] __sys_sendmsg+0xcd/0x170 [ 3309.993150][ T10] do_syscall_64+0xc6/0x1e0 [ 3309.993150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3309.993150][ T10] [ 3309.995157][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3309.995157][ T10] netdev_get_by_index+0x5e/0x80 [ 3309.995157][ T10] fib6_nh_init+0x3d8/0x1580 [ 3309.995157][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3309.995157][ T10] ip6_route_add+0x1c/0x140 [ 3309.995157][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3309.995157][ T10] addrconf_add_dev+0xe2/0x170 [ 3309.995157][ T10] inet6_addr_add+0x12f/0xa40 [ 3309.995157][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3309.995157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3309.995157][ T10] netlink_rcv_skb+0x130/0x360 [ 3309.995157][ T10] netlink_unicast+0x449/0x710 [ 3309.995157][ T10] netlink_sendmsg+0x723/0xbe0 [ 3309.995157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3309.995157][ T10] ___sys_sendmsg+0xee/0x170 [ 3309.995157][ T10] __sys_sendmsg+0xcd/0x170 [ 3309.995157][ T10] do_syscall_64+0xc6/0x1e0 [ 3309.995157][ T10] [ 3309.997135][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3309.997135][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3309.997135][ T10] ipv6_find_idev+0x102/0x170 [ 3309.997135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3309.997135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3309.997135][ T10] netlink_rcv_skb+0x130/0x360 [ 3309.997135][ T10] netlink_unicast+0x449/0x710 [ 3309.997135][ T10] netlink_sendmsg+0x723/0xbe0 [ 3309.997135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3309.997135][ T10] ___sys_sendmsg+0xee/0x170 [ 3309.997135][ T10] __sys_sendmsg+0xcd/0x170 [ 3309.997135][ T10] do_syscall_64+0xc6/0x1e0 [ 3309.997135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3309.997135][ T10] [ 3309.998686][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3309.998686][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3309.998686][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3309.998686][ T10] ipv6_find_idev+0x102/0x170 [ 3309.998686][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3309.998686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3309.998686][ T10] netlink_rcv_skb+0x130/0x360 [ 3309.998686][ T10] netlink_unicast+0x449/0x710 [ 3309.998686][ T10] netlink_sendmsg+0x723/0xbe0 [ 3309.998686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3309.998686][ T10] ___sys_sendmsg+0xee/0x170 [ 3309.998686][ T10] __sys_sendmsg+0xcd/0x170 [ 3309.998686][ T10] do_syscall_64+0xc6/0x1e0 [ 3309.998686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3309.998686][ T10] [ 3310.000385][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3310.000637][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3310.000637][ T10] netdev_get_by_index+0x5e/0x80 [ 3310.000637][ T10] fib6_nh_init+0x3d8/0x1580 [ 3310.000637][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3310.000637][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3310.000637][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3310.000637][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3310.000637][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3310.000637][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3310.000637][ T10] addrconf_dad_begin+0x310/0x670 [ 3310.000637][ T10] addrconf_dad_work+0x10b/0xab0 [ 3310.000637][ T10] process_one_work+0x84d/0x18a0 [ 3310.000637][ T10] worker_thread+0x587/0xd30 [ 3310.000637][ T10] kthread+0x28a/0x350 [ 3310.000637][ T10] ret_from_fork+0x31/0x70 [ 3310.000637][ T10] ret_from_fork_asm+0x1a/0x30 [ 3310.000637][ T10] [ 3310.002579][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3310.002579][ T10] netdev_get_by_index+0x5e/0x80 [ 3310.002579][ T10] fib6_nh_init+0x3d8/0x1580 [ 3310.002579][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3310.002579][ T10] ip6_route_add+0x1c/0x140 [ 3310.002579][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3310.002579][ T10] inet6_addr_add+0x4f8/0xa40 [ 3310.002579][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3310.002579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3310.002579][ T10] netlink_rcv_skb+0x130/0x360 [ 3310.002579][ T10] netlink_unicast+0x449/0x710 [ 3310.002579][ T10] netlink_sendmsg+0x723/0xbe0 [ 3310.002579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3310.002579][ T10] ___sys_sendmsg+0xee/0x170 [ 3310.002579][ T10] __sys_sendmsg+0xcd/0x170 [ 3310.002579][ T10] do_syscall_64+0xc6/0x1e0 [ 3310.002579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3310.002579][ T10] [ 3310.004802][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3310.004802][ T10] netdev_get_by_index+0x5e/0x80 [ 3310.004802][ T10] fib6_nh_init+0x3d8/0x1580 [ 3310.004802][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3310.004802][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3310.004802][ T10] ipv6_add_addr+0x411/0x2000 [ 3310.004802][ T10] inet6_addr_add+0x30e/0xa40 [ 3310.004802][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3310.004802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3310.004802][ T10] netlink_rcv_skb+0x130/0x360 [ 3310.004802][ T10] netlink_unicast+0x449/0x710 [ 3310.004802][ T10] netlink_sendmsg+0x723/0xbe0 [ 3310.004802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3310.004802][ T10] ___sys_sendmsg+0xee/0x170 [ 3310.004802][ T10] __sys_sendmsg+0xcd/0x170 [ 3310.004802][ T10] do_syscall_64+0xc6/0x1e0 [ 3310.004802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3310.004802][ T10] [ 3310.007105][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3310.007105][ T10] netdev_get_by_index+0x5e/0x80 [ 3310.007105][ T10] fib6_nh_init+0x3d8/0x1580 [ 3310.007105][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3310.007105][ T10] ip6_route_add+0x1c/0x140 [ 3310.007105][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3310.007105][ T10] addrconf_add_dev+0xe2/0x170 [ 3310.007105][ T10] inet6_addr_add+0x12f/0xa40 [ 3310.007105][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3310.007105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3310.007105][ T10] netlink_rcv_skb+0x130/0x360 [ 3310.007105][ T10] netlink_unicast+0x449/0x710 [ 3310.007105][ T10] netlink_sendmsg+0x723/0xbe0 [ 3310.007105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3310.007105][ T10] ___sys_sendmsg+0xee/0x170 [ 3310.007105][ T10] __sys_sendmsg+0xcd/0x170 [ 3310.007105][ T10] do_syscall_64+0xc6/0x1e0 [ 3310.007105][ T10] [ 3310.009362][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3310.009362][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3310.009362][ T10] ipv6_find_idev+0x102/0x170 [ 3310.009362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3310.009362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3310.009362][ T10] netlink_rcv_skb+0x130/0x360 [ 3310.009362][ T10] netlink_unicast+0x449/0x710 [ 3310.009362][ T10] netlink_sendmsg+0x723/0xbe0 [ 3310.009362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3310.009362][ T10] ___sys_sendmsg+0xee/0x170 [ 3310.009362][ T10] __sys_sendmsg+0xcd/0x170 [ 3310.009362][ T10] do_syscall_64+0xc6/0x1e0 [ 3310.009362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3310.009362][ T10] [ 3310.011124][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3310.011124][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3310.011124][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3310.011124][ T10] ipv6_find_idev+0x102/0x170 [ 3310.011124][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3310.011124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3310.011124][ T10] netlink_rcv_skb+0x130/0x360 [ 3310.011124][ T10] netlink_unicast+0x449/0x710 [ 3310.011124][ T10] netlink_sendmsg+0x723/0xbe0 [ 3310.011124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3310.011124][ T10] ___sys_sendmsg+0xee/0x170 [ 3310.011124][ T10] __sys_sendmsg+0xcd/0x170 [ 3310.011124][ T10] do_syscall_64+0xc6/0x1e0 [ 3310.011124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3310.011124][ T10] [ 3310.013101][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3310.013339][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3310.013339][ T10] netdev_get_by_index+0x5e/0x80 [ 3310.013339][ T10] fib6_nh_init+0x3d8/0x1580 [ 3310.013339][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3310.013339][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3310.013339][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3310.013339][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3310.013339][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3310.013339][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3310.013339][ T10] addrconf_dad_begin+0x310/0x670 [ 3310.013339][ T10] addrconf_dad_work+0x10b/0xab0 [ 3310.013339][ T10] process_one_work+0x84d/0x18a0 [ 3310.013339][ T10] worker_thread+0x587/0xd30 [ 3310.013339][ T10] kthread+0x28a/0x350 [ 3310.013339][ T10] ret_from_fork+0x31/0x70 [ 3310.013339][ T10] ret_from_fork_asm+0x1a/0x30 [ 3310.013339][ T10] [ 3310.015540][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3310.015540][ T10] netdev_get_by_index+0x5e/0x80 [ 3310.015540][ T10] fib6_nh_init+0x3d8/0x1580 [ 3310.015540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3310.015540][ T10] ip6_route_add+0x1c/0x140 [ 3310.015540][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3310.015540][ T10] inet6_addr_add+0x4f8/0xa40 [ 3310.015540][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3310.015540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3310.015540][ T10] netlink_rcv_skb+0x130/0x360 [ 3310.015540][ T10] netlink_unicast+0x449/0x710 [ 3310.015540][ T10] netlink_sendmsg+0x723/0xbe0 [ 3310.015540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3310.015540][ T10] ___sys_sendmsg+0xee/0x170 [ 3310.015540][ T10] __sys_sendmsg+0xcd/0x170 [ 3310.015540][ T10] do_syscall_64+0xc6/0x1e0 [ 3310.015540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3310.015540][ T10] [ 3310.017834][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3310.017834][ T10] netdev_get_by_index+0x5e/0x80 [ 3310.017834][ T10] fib6_nh_init+0x3d8/0x1580 [ 3310.017834][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3310.017834][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3310.017834][ T10] ipv6_add_addr+0x411/0x2000 [ 3310.017834][ T10] inet6_addr_add+0x30e/0xa40 [ 3310.017834][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3310.017834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3310.017834][ T10] netlink_rcv_skb+0x130/0x360 [ 3310.017834][ T10] netlink_unicast+0x449/0x710 [ 3310.017834][ T10] netlink_sendmsg+0x723/0xbe0 [ 3310.017834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3310.017834][ T10] ___sys_sendmsg+0xee/0x170 [ 3310.017834][ T10] __sys_sendmsg+0xcd/0x170 [ 3310.017834][ T10] do_syscall_64+0xc6/0x1e0 [ 3310.017834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3310.017834][ T10] [ 3310.020130][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3310.020130][ T10] netdev_get_by_index+0x5e/0x80 [ 3310.020130][ T10] fib6_nh_init+0x3d8/0x1580 [ 3310.020130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3310.020130][ T10] ip6_route_add+0x1c/0x140 [ 3310.020130][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3310.020130][ T10] addrconf_add_dev+0xe2/0x170 [ 3310.020130][ T10] inet6_addr_add+0x12f/0xa40 [ 3310.020130][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3310.020130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3310.020130][ T10] netlink_rcv_skb+0x130/0x360 [ 3310.020130][ T10] netlink_unicast+0x449/0x710 [ 3310.020130][ T10] netlink_sendmsg+0x723/0xbe0 [ 3310.020130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3310.020130][ T10] ___sys_sendmsg+0xee/0x170 [ 3310.020130][ T10] __sys_sendmsg+0xcd/0x170 [ 3310.020130][ T10] do_syscall_64+0xc6/0x1e0 [ 3310.020130][ T10] [ 3310.022379][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3310.022379][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3310.022379][ T10] ipv6_find_idev+0x102/0x170 [ 3310.022379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3310.022379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3310.022379][ T10] netlink_rcv_skb+0x130/0x360 [ 3310.022379][ T10] netlink_unicast+0x449/0x710 [ 3310.022379][ T10] netlink_sendmsg+0x723/0xbe0 [ 3310.022379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3310.022379][ T10] ___sys_sendmsg+0xee/0x170 [ 3310.022379][ T10] __sys_sendmsg+0xcd/0x170 [ 3310.022379][ T10] do_syscall_64+0xc6/0x1e0 [ 3310.022379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3310.022379][ T10] [ 3310.024129][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3310.024129][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3310.024129][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3310.024129][ T10] ipv6_find_idev+0x102/0x170 [ 3310.024129][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3310.024129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3310.024129][ T10] netlink_rcv_skb+0x130/0x360 [ 3310.024129][ T10] netlink_unicast+0x449/0x710 [ 3310.024129][ T10] netlink_sendmsg+0x723/0xbe0 [ 3310.024129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3310.024129][ T10] ___sys_sendmsg+0xee/0x170 [ 3310.024129][ T10] __sys_sendmsg+0xcd/0x170 [ 3310.024129][ T10] do_syscall_64+0xc6/0x1e0 [ 3310.024129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3310.024129][ T10] [ 3310.929147][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3310.929573][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3310.929573][ T1167] dst_init+0x84/0x4a0 [ 3310.929573][ T1167] dst_alloc+0x97/0x150 [ 3310.929573][ T1167] ip6_dst_alloc+0x23/0x90 [ 3310.929573][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3310.929573][ T1167] ip6_pol_route+0x56f/0x840 [ 3310.929573][ T1167] fib6_rule_lookup+0x334/0x630 [ 3310.929573][ T1167] ip6_route_output_flags+0x259/0x480 [ 3310.929573][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3310.929573][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3310.929573][ T1167] netlink_rcv_skb+0x130/0x360 [ 3310.929573][ T1167] netlink_unicast+0x449/0x710 [ 3310.929573][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3310.929573][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3310.929573][ T1167] ___sys_sendmsg+0xee/0x170 [ 3310.929573][ T1167] __sys_sendmsg+0xcd/0x170 [ 3310.929573][ T1167] do_syscall_64+0xc6/0x1e0 [ 3310.929573][ T1167] [ 3310.931833][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3310.931833][ T1167] netdev_get_by_index+0x5e/0x80 [ 3310.931833][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3310.931833][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3310.931833][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3310.931833][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3310.931833][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3310.931833][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3310.931833][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3310.931833][ T1167] addrconf_dad_begin+0x310/0x670 [ 3310.931833][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3310.931833][ T1167] process_one_work+0x84d/0x18a0 [ 3310.931833][ T1167] worker_thread+0x587/0xd30 [ 3310.931833][ T1167] kthread+0x28a/0x350 [ 3310.931833][ T1167] ret_from_fork+0x31/0x70 [ 3310.931833][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3310.931833][ T1167] [ 3310.934038][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3310.934038][ T1167] netdev_get_by_index+0x5e/0x80 [ 3310.934038][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3310.934038][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3310.934038][ T1167] ip6_route_add+0x1c/0x140 [ 3310.934038][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3310.934038][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3310.934038][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3310.934038][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3310.934038][ T1167] netlink_rcv_skb+0x130/0x360 [ 3310.934038][ T1167] netlink_unicast+0x449/0x710 [ 3310.934038][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3310.934038][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3310.934038][ T1167] ___sys_sendmsg+0xee/0x170 [ 3310.934038][ T1167] __sys_sendmsg+0xcd/0x170 [ 3310.934038][ T1167] do_syscall_64+0xc6/0x1e0 [ 3310.934038][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3310.934038][ T1167] [ 3310.936322][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3310.936322][ T1167] netdev_get_by_index+0x5e/0x80 [ 3310.936322][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3310.936322][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3310.936322][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3310.936322][ T1167] ipv6_add_addr+0x411/0x2000 [ 3310.936322][ T1167] inet6_addr_add+0x30e/0xa40 [ 3310.936322][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3310.936322][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3310.936322][ T1167] netlink_rcv_skb+0x130/0x360 [ 3310.936322][ T1167] netlink_unicast+0x449/0x710 [ 3310.936322][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3310.936322][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3310.936322][ T1167] ___sys_sendmsg+0xee/0x170 [ 3310.936322][ T1167] __sys_sendmsg+0xcd/0x170 [ 3310.936322][ T1167] do_syscall_64+0xc6/0x1e0 [ 3310.936322][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3310.936322][ T1167] [ 3310.938602][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3310.938602][ T1167] netdev_get_by_index+0x5e/0x80 [ 3310.938602][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3310.938602][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3310.938602][ T1167] ip6_route_add+0x1c/0x140 [ 3310.938602][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3310.938602][ T1167] addrconf_add_dev+0xe2/0x170 [ 3310.938602][ T1167] inet6_addr_add+0x12f/0xa40 [ 3310.938602][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3310.938602][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3310.938602][ T1167] netlink_rcv_skb+0x130/0x360 [ 3310.938602][ T1167] netlink_unicast+0x449/0x710 [ 3310.938602][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3310.938602][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3310.938602][ T1167] ___sys_sendmsg+0xee/0x170 [ 3310.938602][ T1167] __sys_sendmsg+0xcd/0x170 [ 3310.938602][ T1167] do_syscall_64+0xc6/0x1e0 [ 3310.938602][ T1167] [ 3310.940847][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3310.940847][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3310.940847][ T1167] ipv6_find_idev+0x102/0x170 [ 3310.940847][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3310.940847][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3310.940847][ T1167] netlink_rcv_skb+0x130/0x360 [ 3310.940847][ T1167] netlink_unicast+0x449/0x710 [ 3310.940847][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3310.940847][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3310.940847][ T1167] ___sys_sendmsg+0xee/0x170 [ 3310.940847][ T1167] __sys_sendmsg+0xcd/0x170 [ 3310.940847][ T1167] do_syscall_64+0xc6/0x1e0 [ 3310.940847][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3310.940847][ T1167] [ 3310.942661][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3310.942661][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3310.942661][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3310.942661][ T1167] ipv6_find_idev+0x102/0x170 [ 3310.942661][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3310.942661][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3310.942661][ T1167] netlink_rcv_skb+0x130/0x360 [ 3310.942661][ T1167] netlink_unicast+0x449/0x710 [ 3310.942661][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3310.942661][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3310.942661][ T1167] ___sys_sendmsg+0xee/0x170 [ 3310.942661][ T1167] __sys_sendmsg+0xcd/0x170 [ 3310.942661][ T1167] do_syscall_64+0xc6/0x1e0 [ 3310.942661][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3310.942661][ T1167] [ 3320.041079][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3320.041496][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3320.041496][ T10] netdev_get_by_index+0x5e/0x80 [ 3320.041496][ T10] fib6_nh_init+0x3d8/0x1580 [ 3320.041496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3320.041496][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3320.041496][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3320.041496][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3320.041496][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3320.041496][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3320.041496][ T10] addrconf_dad_begin+0x310/0x670 [ 3320.041496][ T10] addrconf_dad_work+0x10b/0xab0 [ 3320.041496][ T10] process_one_work+0x84d/0x18a0 [ 3320.041496][ T10] worker_thread+0x587/0xd30 [ 3320.041496][ T10] kthread+0x28a/0x350 [ 3320.041496][ T10] ret_from_fork+0x31/0x70 [ 3320.041496][ T10] ret_from_fork_asm+0x1a/0x30 [ 3320.041496][ T10] [ 3320.043482][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3320.043482][ T10] netdev_get_by_index+0x5e/0x80 [ 3320.043482][ T10] fib6_nh_init+0x3d8/0x1580 [ 3320.043482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3320.043482][ T10] ip6_route_add+0x1c/0x140 [ 3320.043482][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3320.043482][ T10] inet6_addr_add+0x4f8/0xa40 [ 3320.043482][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3320.043482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.043482][ T10] netlink_rcv_skb+0x130/0x360 [ 3320.043482][ T10] netlink_unicast+0x449/0x710 [ 3320.043482][ T10] netlink_sendmsg+0x723/0xbe0 [ 3320.043482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3320.043482][ T10] ___sys_sendmsg+0xee/0x170 [ 3320.043482][ T10] __sys_sendmsg+0xcd/0x170 [ 3320.043482][ T10] do_syscall_64+0xc6/0x1e0 [ 3320.043482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3320.043482][ T10] [ 3320.045489][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3320.045489][ T10] netdev_get_by_index+0x5e/0x80 [ 3320.045489][ T10] fib6_nh_init+0x3d8/0x1580 [ 3320.045489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3320.045489][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3320.045489][ T10] ipv6_add_addr+0x411/0x2000 [ 3320.045489][ T10] inet6_addr_add+0x30e/0xa40 [ 3320.045489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3320.045489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.045489][ T10] netlink_rcv_skb+0x130/0x360 [ 3320.045489][ T10] netlink_unicast+0x449/0x710 [ 3320.045489][ T10] netlink_sendmsg+0x723/0xbe0 [ 3320.045489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3320.045489][ T10] ___sys_sendmsg+0xee/0x170 [ 3320.045489][ T10] __sys_sendmsg+0xcd/0x170 [ 3320.045489][ T10] do_syscall_64+0xc6/0x1e0 [ 3320.045489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3320.045489][ T10] [ 3320.047481][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3320.047481][ T10] netdev_get_by_index+0x5e/0x80 [ 3320.047481][ T10] fib6_nh_init+0x3d8/0x1580 [ 3320.047481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3320.047481][ T10] ip6_route_add+0x1c/0x140 [ 3320.047481][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3320.047481][ T10] addrconf_add_dev+0xe2/0x170 [ 3320.047481][ T10] inet6_addr_add+0x12f/0xa40 [ 3320.047481][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3320.047481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.047481][ T10] netlink_rcv_skb+0x130/0x360 [ 3320.047481][ T10] netlink_unicast+0x449/0x710 [ 3320.047481][ T10] netlink_sendmsg+0x723/0xbe0 [ 3320.047481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3320.047481][ T10] ___sys_sendmsg+0xee/0x170 [ 3320.047481][ T10] __sys_sendmsg+0xcd/0x170 [ 3320.047481][ T10] do_syscall_64+0xc6/0x1e0 [ 3320.047481][ T10] [ 3320.049450][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3320.049450][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3320.049450][ T10] ipv6_find_idev+0x102/0x170 [ 3320.049450][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3320.049450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.049450][ T10] netlink_rcv_skb+0x130/0x360 [ 3320.049450][ T10] netlink_unicast+0x449/0x710 [ 3320.049450][ T10] netlink_sendmsg+0x723/0xbe0 [ 3320.049450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3320.049450][ T10] ___sys_sendmsg+0xee/0x170 [ 3320.049450][ T10] __sys_sendmsg+0xcd/0x170 [ 3320.049450][ T10] do_syscall_64+0xc6/0x1e0 [ 3320.049450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3320.049450][ T10] [ 3320.050992][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3320.050992][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3320.050992][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3320.050992][ T10] ipv6_find_idev+0x102/0x170 [ 3320.050992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3320.050992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.050992][ T10] netlink_rcv_skb+0x130/0x360 [ 3320.050992][ T10] netlink_unicast+0x449/0x710 [ 3320.050992][ T10] netlink_sendmsg+0x723/0xbe0 [ 3320.050992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3320.050992][ T10] ___sys_sendmsg+0xee/0x170 [ 3320.050992][ T10] __sys_sendmsg+0xcd/0x170 [ 3320.050992][ T10] do_syscall_64+0xc6/0x1e0 [ 3320.050992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3320.050992][ T10] [ 3320.052698][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3320.052940][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3320.052940][ T10] netdev_get_by_index+0x5e/0x80 [ 3320.052940][ T10] fib6_nh_init+0x3d8/0x1580 [ 3320.052940][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3320.052940][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3320.052940][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3320.052940][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3320.052940][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3320.052940][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3320.052940][ T10] addrconf_dad_begin+0x310/0x670 [ 3320.052940][ T10] addrconf_dad_work+0x10b/0xab0 [ 3320.052940][ T10] process_one_work+0x84d/0x18a0 [ 3320.052940][ T10] worker_thread+0x587/0xd30 [ 3320.052940][ T10] kthread+0x28a/0x350 [ 3320.052940][ T10] ret_from_fork+0x31/0x70 [ 3320.052940][ T10] ret_from_fork_asm+0x1a/0x30 [ 3320.052940][ T10] [ 3320.054855][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3320.054855][ T10] netdev_get_by_index+0x5e/0x80 [ 3320.054855][ T10] fib6_nh_init+0x3d8/0x1580 [ 3320.054855][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3320.054855][ T10] ip6_route_add+0x1c/0x140 [ 3320.054855][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3320.054855][ T10] inet6_addr_add+0x4f8/0xa40 [ 3320.054855][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3320.054855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.054855][ T10] netlink_rcv_skb+0x130/0x360 [ 3320.054855][ T10] netlink_unicast+0x449/0x710 [ 3320.054855][ T10] netlink_sendmsg+0x723/0xbe0 [ 3320.054855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3320.054855][ T10] ___sys_sendmsg+0xee/0x170 [ 3320.054855][ T10] __sys_sendmsg+0xcd/0x170 [ 3320.054855][ T10] do_syscall_64+0xc6/0x1e0 [ 3320.054855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3320.054855][ T10] [ 3320.056855][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3320.056855][ T10] netdev_get_by_index+0x5e/0x80 [ 3320.056855][ T10] fib6_nh_init+0x3d8/0x1580 [ 3320.056855][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3320.056855][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3320.056855][ T10] ipv6_add_addr+0x411/0x2000 [ 3320.056855][ T10] inet6_addr_add+0x30e/0xa40 [ 3320.056855][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3320.056855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.056855][ T10] netlink_rcv_skb+0x130/0x360 [ 3320.056855][ T10] netlink_unicast+0x449/0x710 [ 3320.056855][ T10] netlink_sendmsg+0x723/0xbe0 [ 3320.056855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3320.056855][ T10] ___sys_sendmsg+0xee/0x170 [ 3320.056855][ T10] __sys_sendmsg+0xcd/0x170 [ 3320.056855][ T10] do_syscall_64+0xc6/0x1e0 [ 3320.056855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3320.056855][ T10] [ 3320.058854][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3320.058854][ T10] netdev_get_by_index+0x5e/0x80 [ 3320.058854][ T10] fib6_nh_init+0x3d8/0x1580 [ 3320.058854][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3320.058854][ T10] ip6_route_add+0x1c/0x140 [ 3320.058854][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3320.058854][ T10] addrconf_add_dev+0xe2/0x170 [ 3320.058854][ T10] inet6_addr_add+0x12f/0xa40 [ 3320.058854][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3320.058854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.058854][ T10] netlink_rcv_skb+0x130/0x360 [ 3320.058854][ T10] netlink_unicast+0x449/0x710 [ 3320.058854][ T10] netlink_sendmsg+0x723/0xbe0 [ 3320.058854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3320.058854][ T10] ___sys_sendmsg+0xee/0x170 [ 3320.058854][ T10] __sys_sendmsg+0xcd/0x170 [ 3320.058854][ T10] do_syscall_64+0xc6/0x1e0 [ 3320.058854][ T10] [ 3320.060829][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3320.060829][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3320.060829][ T10] ipv6_find_idev+0x102/0x170 [ 3320.060829][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3320.060829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.060829][ T10] netlink_rcv_skb+0x130/0x360 [ 3320.060829][ T10] netlink_unicast+0x449/0x710 [ 3320.060829][ T10] netlink_sendmsg+0x723/0xbe0 [ 3320.060829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3320.060829][ T10] ___sys_sendmsg+0xee/0x170 [ 3320.060829][ T10] __sys_sendmsg+0xcd/0x170 [ 3320.060829][ T10] do_syscall_64+0xc6/0x1e0 [ 3320.060829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3320.060829][ T10] [ 3320.062385][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3320.062385][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3320.062385][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3320.062385][ T10] ipv6_find_idev+0x102/0x170 [ 3320.062385][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3320.062385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.062385][ T10] netlink_rcv_skb+0x130/0x360 [ 3320.062385][ T10] netlink_unicast+0x449/0x710 [ 3320.062385][ T10] netlink_sendmsg+0x723/0xbe0 [ 3320.062385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3320.062385][ T10] ___sys_sendmsg+0xee/0x170 [ 3320.062385][ T10] __sys_sendmsg+0xcd/0x170 [ 3320.062385][ T10] do_syscall_64+0xc6/0x1e0 [ 3320.062385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3320.062385][ T10] [ 3320.066507][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3320.066764][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3320.066764][ T10] netdev_get_by_index+0x5e/0x80 [ 3320.066764][ T10] fib6_nh_init+0x3d8/0x1580 [ 3320.066764][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3320.066764][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3320.066764][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3320.066764][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3320.066764][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3320.066764][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3320.066764][ T10] addrconf_dad_begin+0x310/0x670 [ 3320.066764][ T10] addrconf_dad_work+0x10b/0xab0 [ 3320.066764][ T10] process_one_work+0x84d/0x18a0 [ 3320.066764][ T10] worker_thread+0x587/0xd30 [ 3320.066764][ T10] kthread+0x28a/0x350 [ 3320.066764][ T10] ret_from_fork+0x31/0x70 [ 3320.066764][ T10] ret_from_fork_asm+0x1a/0x30 [ 3320.066764][ T10] [ 3320.068686][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3320.068686][ T10] netdev_get_by_index+0x5e/0x80 [ 3320.068686][ T10] fib6_nh_init+0x3d8/0x1580 [ 3320.068686][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3320.068686][ T10] ip6_route_add+0x1c/0x140 [ 3320.068686][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3320.068686][ T10] inet6_addr_add+0x4f8/0xa40 [ 3320.068686][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3320.068686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.068686][ T10] netlink_rcv_skb+0x130/0x360 [ 3320.068686][ T10] netlink_unicast+0x449/0x710 [ 3320.068686][ T10] netlink_sendmsg+0x723/0xbe0 [ 3320.068686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3320.068686][ T10] ___sys_sendmsg+0xee/0x170 [ 3320.068686][ T10] __sys_sendmsg+0xcd/0x170 [ 3320.068686][ T10] do_syscall_64+0xc6/0x1e0 [ 3320.068686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3320.068686][ T10] [ 3320.070861][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3320.070861][ T10] netdev_get_by_index+0x5e/0x80 [ 3320.070861][ T10] fib6_nh_init+0x3d8/0x1580 [ 3320.070861][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3320.070861][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3320.070861][ T10] ipv6_add_addr+0x411/0x2000 [ 3320.070861][ T10] inet6_addr_add+0x30e/0xa40 [ 3320.070861][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3320.070861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.070861][ T10] netlink_rcv_skb+0x130/0x360 [ 3320.070861][ T10] netlink_unicast+0x449/0x710 [ 3320.070861][ T10] netlink_sendmsg+0x723/0xbe0 [ 3320.070861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3320.070861][ T10] ___sys_sendmsg+0xee/0x170 [ 3320.070861][ T10] __sys_sendmsg+0xcd/0x170 [ 3320.070861][ T10] do_syscall_64+0xc6/0x1e0 [ 3320.070861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3320.070861][ T10] [ 3320.073110][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3320.073110][ T10] netdev_get_by_index+0x5e/0x80 [ 3320.073110][ T10] fib6_nh_init+0x3d8/0x1580 [ 3320.073110][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3320.073110][ T10] ip6_route_add+0x1c/0x140 [ 3320.073110][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3320.073110][ T10] addrconf_add_dev+0xe2/0x170 [ 3320.073110][ T10] inet6_addr_add+0x12f/0xa40 [ 3320.073110][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3320.073110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.073110][ T10] netlink_rcv_skb+0x130/0x360 [ 3320.073110][ T10] netlink_unicast+0x449/0x710 [ 3320.073110][ T10] netlink_sendmsg+0x723/0xbe0 [ 3320.073110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3320.073110][ T10] ___sys_sendmsg+0xee/0x170 [ 3320.073110][ T10] __sys_sendmsg+0xcd/0x170 [ 3320.073110][ T10] do_syscall_64+0xc6/0x1e0 [ 3320.073110][ T10] [ 3320.075296][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3320.075296][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3320.075296][ T10] ipv6_find_idev+0x102/0x170 [ 3320.075296][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3320.075296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.075296][ T10] netlink_rcv_skb+0x130/0x360 [ 3320.075296][ T10] netlink_unicast+0x449/0x710 [ 3320.075296][ T10] netlink_sendmsg+0x723/0xbe0 [ 3320.075296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3320.075296][ T10] ___sys_sendmsg+0xee/0x170 [ 3320.075296][ T10] __sys_sendmsg+0xcd/0x170 [ 3320.075296][ T10] do_syscall_64+0xc6/0x1e0 [ 3320.075296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3320.075296][ T10] [ 3320.077069][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3320.077069][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3320.077069][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3320.077069][ T10] ipv6_find_idev+0x102/0x170 [ 3320.077069][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3320.077069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.077069][ T10] netlink_rcv_skb+0x130/0x360 [ 3320.077069][ T10] netlink_unicast+0x449/0x710 [ 3320.077069][ T10] netlink_sendmsg+0x723/0xbe0 [ 3320.077069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3320.077069][ T10] ___sys_sendmsg+0xee/0x170 [ 3320.077069][ T10] __sys_sendmsg+0xcd/0x170 [ 3320.077069][ T10] do_syscall_64+0xc6/0x1e0 [ 3320.077069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3320.077069][ T10] [ 3320.078944][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3320.079618][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3320.079618][ T10] netdev_get_by_index+0x5e/0x80 [ 3320.079618][ T10] fib6_nh_init+0x3d8/0x1580 [ 3320.079618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3320.079618][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3320.079618][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3320.079618][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3320.079618][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3320.079618][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3320.079618][ T10] addrconf_dad_begin+0x310/0x670 [ 3320.079618][ T10] addrconf_dad_work+0x10b/0xab0 [ 3320.079618][ T10] process_one_work+0x84d/0x18a0 [ 3320.079618][ T10] worker_thread+0x587/0xd30 [ 3320.079618][ T10] kthread+0x28a/0x350 [ 3320.079618][ T10] ret_from_fork+0x31/0x70 [ 3320.079618][ T10] ret_from_fork_asm+0x1a/0x30 [ 3320.079618][ T10] [ 3320.081517][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3320.081517][ T10] netdev_get_by_index+0x5e/0x80 [ 3320.081517][ T10] fib6_nh_init+0x3d8/0x1580 [ 3320.081517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3320.081517][ T10] ip6_route_add+0x1c/0x140 [ 3320.081517][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3320.081517][ T10] inet6_addr_add+0x4f8/0xa40 [ 3320.081517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3320.081517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.081517][ T10] netlink_rcv_skb+0x130/0x360 [ 3320.081517][ T10] netlink_unicast+0x449/0x710 [ 3320.081517][ T10] netlink_sendmsg+0x723/0xbe0 [ 3320.081517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3320.081517][ T10] ___sys_sendmsg+0xee/0x170 [ 3320.081517][ T10] __sys_sendmsg+0xcd/0x170 [ 3320.081517][ T10] do_syscall_64+0xc6/0x1e0 [ 3320.081517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3320.081517][ T10] [ 3320.083626][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3320.083626][ T10] netdev_get_by_index+0x5e/0x80 [ 3320.083626][ T10] fib6_nh_init+0x3d8/0x1580 [ 3320.083626][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3320.083626][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3320.083626][ T10] ipv6_add_addr+0x411/0x2000 [ 3320.083626][ T10] inet6_addr_add+0x30e/0xa40 [ 3320.083626][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3320.083626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.083626][ T10] netlink_rcv_skb+0x130/0x360 [ 3320.083626][ T10] netlink_unicast+0x449/0x710 [ 3320.083626][ T10] netlink_sendmsg+0x723/0xbe0 [ 3320.083626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3320.083626][ T10] ___sys_sendmsg+0xee/0x170 [ 3320.083626][ T10] __sys_sendmsg+0xcd/0x170 [ 3320.083626][ T10] do_syscall_64+0xc6/0x1e0 [ 3320.083626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3320.083626][ T10] [ 3320.085868][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3320.085868][ T10] netdev_get_by_index+0x5e/0x80 [ 3320.085868][ T10] fib6_nh_init+0x3d8/0x1580 [ 3320.085868][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3320.085868][ T10] ip6_route_add+0x1c/0x140 [ 3320.085868][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3320.085868][ T10] addrconf_add_dev+0xe2/0x170 [ 3320.085868][ T10] inet6_addr_add+0x12f/0xa40 [ 3320.085868][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3320.085868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.085868][ T10] netlink_rcv_skb+0x130/0x360 [ 3320.085868][ T10] netlink_unicast+0x449/0x710 [ 3320.085868][ T10] netlink_sendmsg+0x723/0xbe0 [ 3320.085868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3320.085868][ T10] ___sys_sendmsg+0xee/0x170 [ 3320.085868][ T10] __sys_sendmsg+0xcd/0x170 [ 3320.085868][ T10] do_syscall_64+0xc6/0x1e0 [ 3320.085868][ T10] [ 3320.087998][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3320.087998][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3320.087998][ T10] ipv6_find_idev+0x102/0x170 [ 3320.087998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3320.087998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.087998][ T10] netlink_rcv_skb+0x130/0x360 [ 3320.087998][ T10] netlink_unicast+0x449/0x710 [ 3320.087998][ T10] netlink_sendmsg+0x723/0xbe0 [ 3320.087998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3320.087998][ T10] ___sys_sendmsg+0xee/0x170 [ 3320.087998][ T10] __sys_sendmsg+0xcd/0x170 [ 3320.087998][ T10] do_syscall_64+0xc6/0x1e0 [ 3320.087998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3320.087998][ T10] [ 3320.089769][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3320.089769][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3320.089769][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3320.089769][ T10] ipv6_find_idev+0x102/0x170 [ 3320.089769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3320.089769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.089769][ T10] netlink_rcv_skb+0x130/0x360 [ 3320.089769][ T10] netlink_unicast+0x449/0x710 [ 3320.089769][ T10] netlink_sendmsg+0x723/0xbe0 [ 3320.089769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3320.089769][ T10] ___sys_sendmsg+0xee/0x170 [ 3320.089769][ T10] __sys_sendmsg+0xcd/0x170 [ 3320.089769][ T10] do_syscall_64+0xc6/0x1e0 [ 3320.089769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3320.089769][ T10] [ 3321.065084][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3321.065723][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3321.065723][ T1167] dst_init+0x84/0x4a0 [ 3321.065723][ T1167] dst_alloc+0x97/0x150 [ 3321.065723][ T1167] ip6_dst_alloc+0x23/0x90 [ 3321.065723][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3321.065723][ T1167] ip6_pol_route+0x56f/0x840 [ 3321.065723][ T1167] fib6_rule_lookup+0x334/0x630 [ 3321.065723][ T1167] ip6_route_output_flags+0x259/0x480 [ 3321.065723][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3321.065723][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3321.065723][ T1167] netlink_rcv_skb+0x130/0x360 [ 3321.065723][ T1167] netlink_unicast+0x449/0x710 [ 3321.065723][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3321.065723][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3321.065723][ T1167] ___sys_sendmsg+0xee/0x170 [ 3321.065723][ T1167] __sys_sendmsg+0xcd/0x170 [ 3321.065723][ T1167] do_syscall_64+0xc6/0x1e0 [ 3321.065723][ T1167] [ 3321.069087][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3321.069087][ T1167] netdev_get_by_index+0x5e/0x80 [ 3321.069087][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3321.069087][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3321.069087][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3321.069087][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3321.069087][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3321.069087][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3321.069087][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3321.069087][ T1167] addrconf_dad_begin+0x310/0x670 [ 3321.069087][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3321.069087][ T1167] process_one_work+0x84d/0x18a0 [ 3321.069087][ T1167] worker_thread+0x587/0xd30 [ 3321.069087][ T1167] kthread+0x28a/0x350 [ 3321.069087][ T1167] ret_from_fork+0x31/0x70 [ 3321.069087][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3321.069087][ T1167] [ 3321.074382][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3321.074382][ T1167] netdev_get_by_index+0x5e/0x80 [ 3321.074382][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3321.074382][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3321.074382][ T1167] ip6_route_add+0x1c/0x140 [ 3321.074382][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3321.074382][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3321.074382][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3321.074382][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3321.074382][ T1167] netlink_rcv_skb+0x130/0x360 [ 3321.074382][ T1167] netlink_unicast+0x449/0x710 [ 3321.074382][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3321.074382][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3321.074382][ T1167] ___sys_sendmsg+0xee/0x170 [ 3321.074382][ T1167] __sys_sendmsg+0xcd/0x170 [ 3321.074382][ T1167] do_syscall_64+0xc6/0x1e0 [ 3321.074382][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3321.074382][ T1167] [ 3321.076690][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3321.076690][ T1167] netdev_get_by_index+0x5e/0x80 [ 3321.076690][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3321.076690][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3321.076690][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3321.076690][ T1167] ipv6_add_addr+0x411/0x2000 [ 3321.076690][ T1167] inet6_addr_add+0x30e/0xa40 [ 3321.076690][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3321.076690][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3321.076690][ T1167] netlink_rcv_skb+0x130/0x360 [ 3321.076690][ T1167] netlink_unicast+0x449/0x710 [ 3321.076690][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3321.076690][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3321.076690][ T1167] ___sys_sendmsg+0xee/0x170 [ 3321.076690][ T1167] __sys_sendmsg+0xcd/0x170 [ 3321.076690][ T1167] do_syscall_64+0xc6/0x1e0 [ 3321.076690][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3321.076690][ T1167] [ 3321.078995][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3321.078995][ T1167] netdev_get_by_index+0x5e/0x80 [ 3321.078995][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3321.078995][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3321.078995][ T1167] ip6_route_add+0x1c/0x140 [ 3321.078995][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3321.078995][ T1167] addrconf_add_dev+0xe2/0x170 [ 3321.078995][ T1167] inet6_addr_add+0x12f/0xa40 [ 3321.078995][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3321.078995][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3321.078995][ T1167] netlink_rcv_skb+0x130/0x360 [ 3321.078995][ T1167] netlink_unicast+0x449/0x710 [ 3321.078995][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3321.078995][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3321.078995][ T1167] ___sys_sendmsg+0xee/0x170 [ 3321.078995][ T1167] __sys_sendmsg+0xcd/0x170 [ 3321.078995][ T1167] do_syscall_64+0xc6/0x1e0 [ 3321.078995][ T1167] [ 3321.081252][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3321.081252][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3321.081252][ T1167] ipv6_find_idev+0x102/0x170 [ 3321.081252][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3321.081252][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3321.081252][ T1167] netlink_rcv_skb+0x130/0x360 [ 3321.081252][ T1167] netlink_unicast+0x449/0x710 [ 3321.081252][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3321.081252][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3321.081252][ T1167] ___sys_sendmsg+0xee/0x170 [ 3321.081252][ T1167] __sys_sendmsg+0xcd/0x170 [ 3321.081252][ T1167] do_syscall_64+0xc6/0x1e0 [ 3321.081252][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3321.081252][ T1167] [ 3321.083412][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3321.083412][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3321.083412][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3321.083412][ T1167] ipv6_find_idev+0x102/0x170 [ 3321.083412][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3321.083412][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3321.083412][ T1167] netlink_rcv_skb+0x130/0x360 [ 3321.083412][ T1167] netlink_unicast+0x449/0x710 [ 3321.083412][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3321.083412][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3321.083412][ T1167] ___sys_sendmsg+0xee/0x170 [ 3321.083412][ T1167] __sys_sendmsg+0xcd/0x170 [ 3321.083412][ T1167] do_syscall_64+0xc6/0x1e0 [ 3321.083412][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3321.083412][ T1167] [ 3330.345050][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3330.345451][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3330.345451][ T10] netdev_get_by_index+0x5e/0x80 [ 3330.345451][ T10] fib6_nh_init+0x3d8/0x1580 [ 3330.345451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3330.345451][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3330.345451][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3330.345451][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3330.345451][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3330.345451][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3330.345451][ T10] addrconf_dad_begin+0x310/0x670 [ 3330.345451][ T10] addrconf_dad_work+0x10b/0xab0 [ 3330.345451][ T10] process_one_work+0x84d/0x18a0 [ 3330.345451][ T10] worker_thread+0x587/0xd30 [ 3330.345451][ T10] kthread+0x28a/0x350 [ 3330.345451][ T10] ret_from_fork+0x31/0x70 [ 3330.345451][ T10] ret_from_fork_asm+0x1a/0x30 [ 3330.345451][ T10] [ 3330.347517][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3330.347517][ T10] netdev_get_by_index+0x5e/0x80 [ 3330.347517][ T10] fib6_nh_init+0x3d8/0x1580 [ 3330.347517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3330.347517][ T10] ip6_route_add+0x1c/0x140 [ 3330.347517][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3330.347517][ T10] inet6_addr_add+0x4f8/0xa40 [ 3330.347517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3330.347517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.347517][ T10] netlink_rcv_skb+0x130/0x360 [ 3330.347517][ T10] netlink_unicast+0x449/0x710 [ 3330.347517][ T10] netlink_sendmsg+0x723/0xbe0 [ 3330.347517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3330.347517][ T10] ___sys_sendmsg+0xee/0x170 [ 3330.347517][ T10] __sys_sendmsg+0xcd/0x170 [ 3330.347517][ T10] do_syscall_64+0xc6/0x1e0 [ 3330.347517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3330.347517][ T10] [ 3330.349646][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3330.349646][ T10] netdev_get_by_index+0x5e/0x80 [ 3330.349646][ T10] fib6_nh_init+0x3d8/0x1580 [ 3330.349646][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3330.349646][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3330.349646][ T10] ipv6_add_addr+0x411/0x2000 [ 3330.349646][ T10] inet6_addr_add+0x30e/0xa40 [ 3330.349646][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3330.349646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.349646][ T10] netlink_rcv_skb+0x130/0x360 [ 3330.349646][ T10] netlink_unicast+0x449/0x710 [ 3330.349646][ T10] netlink_sendmsg+0x723/0xbe0 [ 3330.349646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3330.349646][ T10] ___sys_sendmsg+0xee/0x170 [ 3330.349646][ T10] __sys_sendmsg+0xcd/0x170 [ 3330.349646][ T10] do_syscall_64+0xc6/0x1e0 [ 3330.349646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3330.349646][ T10] [ 3330.351797][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3330.351797][ T10] netdev_get_by_index+0x5e/0x80 [ 3330.351797][ T10] fib6_nh_init+0x3d8/0x1580 [ 3330.351797][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3330.351797][ T10] ip6_route_add+0x1c/0x140 [ 3330.351797][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3330.351797][ T10] addrconf_add_dev+0xe2/0x170 [ 3330.351797][ T10] inet6_addr_add+0x12f/0xa40 [ 3330.351797][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3330.351797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.351797][ T10] netlink_rcv_skb+0x130/0x360 [ 3330.351797][ T10] netlink_unicast+0x449/0x710 [ 3330.351797][ T10] netlink_sendmsg+0x723/0xbe0 [ 3330.351797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3330.351797][ T10] ___sys_sendmsg+0xee/0x170 [ 3330.351797][ T10] __sys_sendmsg+0xcd/0x170 [ 3330.351797][ T10] do_syscall_64+0xc6/0x1e0 [ 3330.351797][ T10] [ 3330.353925][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3330.353925][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3330.353925][ T10] ipv6_find_idev+0x102/0x170 [ 3330.353925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3330.353925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.353925][ T10] netlink_rcv_skb+0x130/0x360 [ 3330.353925][ T10] netlink_unicast+0x449/0x710 [ 3330.353925][ T10] netlink_sendmsg+0x723/0xbe0 [ 3330.353925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3330.353925][ T10] ___sys_sendmsg+0xee/0x170 [ 3330.353925][ T10] __sys_sendmsg+0xcd/0x170 [ 3330.353925][ T10] do_syscall_64+0xc6/0x1e0 [ 3330.353925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3330.353925][ T10] [ 3330.355588][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3330.355588][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3330.355588][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3330.355588][ T10] ipv6_find_idev+0x102/0x170 [ 3330.355588][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3330.355588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.355588][ T10] netlink_rcv_skb+0x130/0x360 [ 3330.355588][ T10] netlink_unicast+0x449/0x710 [ 3330.355588][ T10] netlink_sendmsg+0x723/0xbe0 [ 3330.355588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3330.355588][ T10] ___sys_sendmsg+0xee/0x170 [ 3330.355588][ T10] __sys_sendmsg+0xcd/0x170 [ 3330.355588][ T10] do_syscall_64+0xc6/0x1e0 [ 3330.355588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3330.355588][ T10] [ 3330.357379][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3330.357649][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3330.357649][ T10] netdev_get_by_index+0x5e/0x80 [ 3330.357649][ T10] fib6_nh_init+0x3d8/0x1580 [ 3330.357649][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3330.357649][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3330.357649][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3330.357649][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3330.357649][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3330.357649][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3330.357649][ T10] addrconf_dad_begin+0x310/0x670 [ 3330.357649][ T10] addrconf_dad_work+0x10b/0xab0 [ 3330.357649][ T10] process_one_work+0x84d/0x18a0 [ 3330.357649][ T10] worker_thread+0x587/0xd30 [ 3330.357649][ T10] kthread+0x28a/0x350 [ 3330.357649][ T10] ret_from_fork+0x31/0x70 [ 3330.357649][ T10] ret_from_fork_asm+0x1a/0x30 [ 3330.357649][ T10] [ 3330.359632][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3330.359632][ T10] netdev_get_by_index+0x5e/0x80 [ 3330.359632][ T10] fib6_nh_init+0x3d8/0x1580 [ 3330.359632][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3330.359632][ T10] ip6_route_add+0x1c/0x140 [ 3330.359632][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3330.359632][ T10] inet6_addr_add+0x4f8/0xa40 [ 3330.359632][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3330.359632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.359632][ T10] netlink_rcv_skb+0x130/0x360 [ 3330.359632][ T10] netlink_unicast+0x449/0x710 [ 3330.359632][ T10] netlink_sendmsg+0x723/0xbe0 [ 3330.359632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3330.359632][ T10] ___sys_sendmsg+0xee/0x170 [ 3330.359632][ T10] __sys_sendmsg+0xcd/0x170 [ 3330.359632][ T10] do_syscall_64+0xc6/0x1e0 [ 3330.359632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3330.359632][ T10] [ 3330.361735][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3330.361735][ T10] netdev_get_by_index+0x5e/0x80 [ 3330.361735][ T10] fib6_nh_init+0x3d8/0x1580 [ 3330.361735][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3330.361735][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3330.361735][ T10] ipv6_add_addr+0x411/0x2000 [ 3330.361735][ T10] inet6_addr_add+0x30e/0xa40 [ 3330.361735][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3330.361735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.361735][ T10] netlink_rcv_skb+0x130/0x360 [ 3330.361735][ T10] netlink_unicast+0x449/0x710 [ 3330.361735][ T10] netlink_sendmsg+0x723/0xbe0 [ 3330.361735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3330.361735][ T10] ___sys_sendmsg+0xee/0x170 [ 3330.361735][ T10] __sys_sendmsg+0xcd/0x170 [ 3330.361735][ T10] do_syscall_64+0xc6/0x1e0 [ 3330.361735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3330.361735][ T10] [ 3330.363869][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3330.363869][ T10] netdev_get_by_index+0x5e/0x80 [ 3330.363869][ T10] fib6_nh_init+0x3d8/0x1580 [ 3330.363869][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3330.363869][ T10] ip6_route_add+0x1c/0x140 [ 3330.363869][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3330.363869][ T10] addrconf_add_dev+0xe2/0x170 [ 3330.363869][ T10] inet6_addr_add+0x12f/0xa40 [ 3330.363869][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3330.363869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.363869][ T10] netlink_rcv_skb+0x130/0x360 [ 3330.363869][ T10] netlink_unicast+0x449/0x710 [ 3330.363869][ T10] netlink_sendmsg+0x723/0xbe0 [ 3330.363869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3330.363869][ T10] ___sys_sendmsg+0xee/0x170 [ 3330.363869][ T10] __sys_sendmsg+0xcd/0x170 [ 3330.363869][ T10] do_syscall_64+0xc6/0x1e0 [ 3330.363869][ T10] [ 3330.365976][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3330.365976][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3330.365976][ T10] ipv6_find_idev+0x102/0x170 [ 3330.365976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3330.365976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.365976][ T10] netlink_rcv_skb+0x130/0x360 [ 3330.365976][ T10] netlink_unicast+0x449/0x710 [ 3330.365976][ T10] netlink_sendmsg+0x723/0xbe0 [ 3330.365976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3330.365976][ T10] ___sys_sendmsg+0xee/0x170 [ 3330.365976][ T10] __sys_sendmsg+0xcd/0x170 [ 3330.365976][ T10] do_syscall_64+0xc6/0x1e0 [ 3330.365976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3330.365976][ T10] [ 3330.367592][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3330.367592][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3330.367592][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3330.367592][ T10] ipv6_find_idev+0x102/0x170 [ 3330.367592][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3330.367592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.367592][ T10] netlink_rcv_skb+0x130/0x360 [ 3330.367592][ T10] netlink_unicast+0x449/0x710 [ 3330.367592][ T10] netlink_sendmsg+0x723/0xbe0 [ 3330.367592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3330.367592][ T10] ___sys_sendmsg+0xee/0x170 [ 3330.367592][ T10] __sys_sendmsg+0xcd/0x170 [ 3330.367592][ T10] do_syscall_64+0xc6/0x1e0 [ 3330.367592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3330.367592][ T10] [ 3330.369360][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3330.369642][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3330.369642][ T10] netdev_get_by_index+0x5e/0x80 [ 3330.369642][ T10] fib6_nh_init+0x3d8/0x1580 [ 3330.369642][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3330.369642][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3330.369642][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3330.369642][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3330.369642][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3330.369642][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3330.369642][ T10] addrconf_dad_begin+0x310/0x670 [ 3330.369642][ T10] addrconf_dad_work+0x10b/0xab0 [ 3330.369642][ T10] process_one_work+0x84d/0x18a0 [ 3330.369642][ T10] worker_thread+0x587/0xd30 [ 3330.369642][ T10] kthread+0x28a/0x350 [ 3330.369642][ T10] ret_from_fork+0x31/0x70 [ 3330.369642][ T10] ret_from_fork_asm+0x1a/0x30 [ 3330.369642][ T10] [ 3330.371682][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3330.371682][ T10] netdev_get_by_index+0x5e/0x80 [ 3330.371682][ T10] fib6_nh_init+0x3d8/0x1580 [ 3330.371682][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3330.371682][ T10] ip6_route_add+0x1c/0x140 [ 3330.371682][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3330.371682][ T10] inet6_addr_add+0x4f8/0xa40 [ 3330.371682][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3330.371682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.371682][ T10] netlink_rcv_skb+0x130/0x360 [ 3330.371682][ T10] netlink_unicast+0x449/0x710 [ 3330.371682][ T10] netlink_sendmsg+0x723/0xbe0 [ 3330.371682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3330.371682][ T10] ___sys_sendmsg+0xee/0x170 [ 3330.371682][ T10] __sys_sendmsg+0xcd/0x170 [ 3330.371682][ T10] do_syscall_64+0xc6/0x1e0 [ 3330.371682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3330.371682][ T10] [ 3330.373962][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3330.373962][ T10] netdev_get_by_index+0x5e/0x80 [ 3330.373962][ T10] fib6_nh_init+0x3d8/0x1580 [ 3330.373962][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3330.373962][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3330.373962][ T10] ipv6_add_addr+0x411/0x2000 [ 3330.373962][ T10] inet6_addr_add+0x30e/0xa40 [ 3330.373962][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3330.373962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.373962][ T10] netlink_rcv_skb+0x130/0x360 [ 3330.373962][ T10] netlink_unicast+0x449/0x710 [ 3330.373962][ T10] netlink_sendmsg+0x723/0xbe0 [ 3330.373962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3330.373962][ T10] ___sys_sendmsg+0xee/0x170 [ 3330.373962][ T10] __sys_sendmsg+0xcd/0x170 [ 3330.373962][ T10] do_syscall_64+0xc6/0x1e0 [ 3330.373962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3330.373962][ T10] [ 3330.376192][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3330.376192][ T10] netdev_get_by_index+0x5e/0x80 [ 3330.376192][ T10] fib6_nh_init+0x3d8/0x1580 [ 3330.376192][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3330.376192][ T10] ip6_route_add+0x1c/0x140 [ 3330.376192][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3330.376192][ T10] addrconf_add_dev+0xe2/0x170 [ 3330.376192][ T10] inet6_addr_add+0x12f/0xa40 [ 3330.376192][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3330.376192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.376192][ T10] netlink_rcv_skb+0x130/0x360 [ 3330.376192][ T10] netlink_unicast+0x449/0x710 [ 3330.376192][ T10] netlink_sendmsg+0x723/0xbe0 [ 3330.376192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3330.376192][ T10] ___sys_sendmsg+0xee/0x170 [ 3330.376192][ T10] __sys_sendmsg+0xcd/0x170 [ 3330.376192][ T10] do_syscall_64+0xc6/0x1e0 [ 3330.376192][ T10] [ 3330.378305][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3330.378305][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3330.378305][ T10] ipv6_find_idev+0x102/0x170 [ 3330.378305][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3330.378305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.378305][ T10] netlink_rcv_skb+0x130/0x360 [ 3330.378305][ T10] netlink_unicast+0x449/0x710 [ 3330.378305][ T10] netlink_sendmsg+0x723/0xbe0 [ 3330.378305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3330.378305][ T10] ___sys_sendmsg+0xee/0x170 [ 3330.378305][ T10] __sys_sendmsg+0xcd/0x170 [ 3330.378305][ T10] do_syscall_64+0xc6/0x1e0 [ 3330.378305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3330.378305][ T10] [ 3330.380035][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3330.380035][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3330.380035][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3330.380035][ T10] ipv6_find_idev+0x102/0x170 [ 3330.380035][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3330.380035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.380035][ T10] netlink_rcv_skb+0x130/0x360 [ 3330.380035][ T10] netlink_unicast+0x449/0x710 [ 3330.380035][ T10] netlink_sendmsg+0x723/0xbe0 [ 3330.380035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3330.380035][ T10] ___sys_sendmsg+0xee/0x170 [ 3330.380035][ T10] __sys_sendmsg+0xcd/0x170 [ 3330.380035][ T10] do_syscall_64+0xc6/0x1e0 [ 3330.380035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3330.380035][ T10] [ 3330.381879][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3330.382604][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3330.382604][ T10] netdev_get_by_index+0x5e/0x80 [ 3330.382604][ T10] fib6_nh_init+0x3d8/0x1580 [ 3330.382604][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3330.382604][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3330.382604][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3330.382604][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3330.382604][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3330.382604][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3330.382604][ T10] addrconf_dad_begin+0x310/0x670 [ 3330.382604][ T10] addrconf_dad_work+0x10b/0xab0 [ 3330.382604][ T10] process_one_work+0x84d/0x18a0 [ 3330.382604][ T10] worker_thread+0x587/0xd30 [ 3330.382604][ T10] kthread+0x28a/0x350 [ 3330.382604][ T10] ret_from_fork+0x31/0x70 [ 3330.382604][ T10] ret_from_fork_asm+0x1a/0x30 [ 3330.382604][ T10] [ 3330.384601][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3330.384601][ T10] netdev_get_by_index+0x5e/0x80 [ 3330.384601][ T10] fib6_nh_init+0x3d8/0x1580 [ 3330.384601][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3330.384601][ T10] ip6_route_add+0x1c/0x140 [ 3330.384601][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3330.384601][ T10] inet6_addr_add+0x4f8/0xa40 [ 3330.384601][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3330.384601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.384601][ T10] netlink_rcv_skb+0x130/0x360 [ 3330.384601][ T10] netlink_unicast+0x449/0x710 [ 3330.384601][ T10] netlink_sendmsg+0x723/0xbe0 [ 3330.384601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3330.384601][ T10] ___sys_sendmsg+0xee/0x170 [ 3330.384601][ T10] __sys_sendmsg+0xcd/0x170 [ 3330.384601][ T10] do_syscall_64+0xc6/0x1e0 [ 3330.384601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3330.384601][ T10] [ 3330.386786][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3330.386786][ T10] netdev_get_by_index+0x5e/0x80 [ 3330.386786][ T10] fib6_nh_init+0x3d8/0x1580 [ 3330.386786][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3330.386786][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3330.386786][ T10] ipv6_add_addr+0x411/0x2000 [ 3330.386786][ T10] inet6_addr_add+0x30e/0xa40 [ 3330.386786][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3330.386786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.386786][ T10] netlink_rcv_skb+0x130/0x360 [ 3330.386786][ T10] netlink_unicast+0x449/0x710 [ 3330.386786][ T10] netlink_sendmsg+0x723/0xbe0 [ 3330.386786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3330.386786][ T10] ___sys_sendmsg+0xee/0x170 [ 3330.386786][ T10] __sys_sendmsg+0xcd/0x170 [ 3330.386786][ T10] do_syscall_64+0xc6/0x1e0 [ 3330.386786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3330.386786][ T10] [ 3330.389502][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3330.389502][ T10] netdev_get_by_index+0x5e/0x80 [ 3330.389502][ T10] fib6_nh_init+0x3d8/0x1580 [ 3330.389502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3330.389502][ T10] ip6_route_add+0x1c/0x140 [ 3330.389502][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3330.389502][ T10] addrconf_add_dev+0xe2/0x170 [ 3330.389502][ T10] inet6_addr_add+0x12f/0xa40 [ 3330.389502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3330.389502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.389502][ T10] netlink_rcv_skb+0x130/0x360 [ 3330.389502][ T10] netlink_unicast+0x449/0x710 [ 3330.389502][ T10] netlink_sendmsg+0x723/0xbe0 [ 3330.389502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3330.389502][ T10] ___sys_sendmsg+0xee/0x170 [ 3330.389502][ T10] __sys_sendmsg+0xcd/0x170 [ 3330.389502][ T10] do_syscall_64+0xc6/0x1e0 [ 3330.389502][ T10] [ 3330.391739][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3330.391739][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3330.391739][ T10] ipv6_find_idev+0x102/0x170 [ 3330.391739][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3330.391739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.391739][ T10] netlink_rcv_skb+0x130/0x360 [ 3330.391739][ T10] netlink_unicast+0x449/0x710 [ 3330.391739][ T10] netlink_sendmsg+0x723/0xbe0 [ 3330.391739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3330.391739][ T10] ___sys_sendmsg+0xee/0x170 [ 3330.391739][ T10] __sys_sendmsg+0xcd/0x170 [ 3330.391739][ T10] do_syscall_64+0xc6/0x1e0 [ 3330.391739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3330.391739][ T10] [ 3330.393505][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3330.393505][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3330.393505][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3330.393505][ T10] ipv6_find_idev+0x102/0x170 [ 3330.393505][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3330.393505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.393505][ T10] netlink_rcv_skb+0x130/0x360 [ 3330.393505][ T10] netlink_unicast+0x449/0x710 [ 3330.393505][ T10] netlink_sendmsg+0x723/0xbe0 [ 3330.393505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3330.393505][ T10] ___sys_sendmsg+0xee/0x170 [ 3330.393505][ T10] __sys_sendmsg+0xcd/0x170 [ 3330.393505][ T10] do_syscall_64+0xc6/0x1e0 [ 3330.393505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3330.393505][ T10] [ 3331.337117][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3331.337605][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3331.337605][ T1167] dst_init+0x84/0x4a0 [ 3331.337605][ T1167] dst_alloc+0x97/0x150 [ 3331.337605][ T1167] ip6_dst_alloc+0x23/0x90 [ 3331.337605][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3331.337605][ T1167] ip6_pol_route+0x56f/0x840 [ 3331.337605][ T1167] fib6_rule_lookup+0x334/0x630 [ 3331.337605][ T1167] ip6_route_output_flags+0x259/0x480 [ 3331.337605][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3331.337605][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3331.337605][ T1167] netlink_rcv_skb+0x130/0x360 [ 3331.337605][ T1167] netlink_unicast+0x449/0x710 [ 3331.337605][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3331.337605][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3331.337605][ T1167] ___sys_sendmsg+0xee/0x170 [ 3331.337605][ T1167] __sys_sendmsg+0xcd/0x170 [ 3331.337605][ T1167] do_syscall_64+0xc6/0x1e0 [ 3331.337605][ T1167] [ 3331.342407][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3331.342407][ T1167] netdev_get_by_index+0x5e/0x80 [ 3331.342407][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3331.342407][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3331.342407][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3331.342407][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3331.342407][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3331.342407][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3331.342407][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3331.342407][ T1167] addrconf_dad_begin+0x310/0x670 [ 3331.342407][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3331.342407][ T1167] process_one_work+0x84d/0x18a0 [ 3331.342407][ T1167] worker_thread+0x587/0xd30 [ 3331.342407][ T1167] kthread+0x28a/0x350 [ 3331.342407][ T1167] ret_from_fork+0x31/0x70 [ 3331.342407][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3331.342407][ T1167] [ 3331.344595][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3331.344595][ T1167] netdev_get_by_index+0x5e/0x80 [ 3331.344595][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3331.344595][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3331.344595][ T1167] ip6_route_add+0x1c/0x140 [ 3331.344595][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3331.344595][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3331.344595][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3331.344595][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3331.344595][ T1167] netlink_rcv_skb+0x130/0x360 [ 3331.344595][ T1167] netlink_unicast+0x449/0x710 [ 3331.344595][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3331.344595][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3331.344595][ T1167] ___sys_sendmsg+0xee/0x170 [ 3331.344595][ T1167] __sys_sendmsg+0xcd/0x170 [ 3331.344595][ T1167] do_syscall_64+0xc6/0x1e0 [ 3331.344595][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3331.344595][ T1167] [ 3331.346840][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3331.346840][ T1167] netdev_get_by_index+0x5e/0x80 [ 3331.346840][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3331.346840][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3331.346840][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3331.346840][ T1167] ipv6_add_addr+0x411/0x2000 [ 3331.346840][ T1167] inet6_addr_add+0x30e/0xa40 [ 3331.346840][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3331.346840][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3331.346840][ T1167] netlink_rcv_skb+0x130/0x360 [ 3331.346840][ T1167] netlink_unicast+0x449/0x710 [ 3331.346840][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3331.346840][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3331.346840][ T1167] ___sys_sendmsg+0xee/0x170 [ 3331.346840][ T1167] __sys_sendmsg+0xcd/0x170 [ 3331.346840][ T1167] do_syscall_64+0xc6/0x1e0 [ 3331.346840][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3331.346840][ T1167] [ 3331.349090][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3331.349090][ T1167] netdev_get_by_index+0x5e/0x80 [ 3331.349090][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3331.349090][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3331.349090][ T1167] ip6_route_add+0x1c/0x140 [ 3331.349090][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3331.349090][ T1167] addrconf_add_dev+0xe2/0x170 [ 3331.349090][ T1167] inet6_addr_add+0x12f/0xa40 [ 3331.349090][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3331.349090][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3331.349090][ T1167] netlink_rcv_skb+0x130/0x360 [ 3331.349090][ T1167] netlink_unicast+0x449/0x710 [ 3331.349090][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3331.349090][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3331.349090][ T1167] ___sys_sendmsg+0xee/0x170 [ 3331.349090][ T1167] __sys_sendmsg+0xcd/0x170 [ 3331.349090][ T1167] do_syscall_64+0xc6/0x1e0 [ 3331.349090][ T1167] [ 3331.351332][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3331.351332][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3331.351332][ T1167] ipv6_find_idev+0x102/0x170 [ 3331.351332][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3331.351332][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3331.351332][ T1167] netlink_rcv_skb+0x130/0x360 [ 3331.351332][ T1167] netlink_unicast+0x449/0x710 [ 3331.351332][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3331.351332][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3331.351332][ T1167] ___sys_sendmsg+0xee/0x170 [ 3331.351332][ T1167] __sys_sendmsg+0xcd/0x170 [ 3331.351332][ T1167] do_syscall_64+0xc6/0x1e0 [ 3331.351332][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3331.351332][ T1167] [ 3331.353081][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3331.353081][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3331.353081][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3331.353081][ T1167] ipv6_find_idev+0x102/0x170 [ 3331.353081][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3331.353081][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3331.353081][ T1167] netlink_rcv_skb+0x130/0x360 [ 3331.353081][ T1167] netlink_unicast+0x449/0x710 [ 3331.353081][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3331.353081][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3331.353081][ T1167] ___sys_sendmsg+0xee/0x170 [ 3331.353081][ T1167] __sys_sendmsg+0xcd/0x170 [ 3331.353081][ T1167] do_syscall_64+0xc6/0x1e0 [ 3331.353081][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3331.353081][ T1167] [ 3340.537139][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3340.537572][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3340.537572][ T10] netdev_get_by_index+0x5e/0x80 [ 3340.537572][ T10] fib6_nh_init+0x3d8/0x1580 [ 3340.537572][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3340.537572][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3340.537572][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3340.537572][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3340.537572][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3340.537572][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3340.537572][ T10] addrconf_dad_begin+0x310/0x670 [ 3340.537572][ T10] addrconf_dad_work+0x10b/0xab0 [ 3340.537572][ T10] process_one_work+0x84d/0x18a0 [ 3340.537572][ T10] worker_thread+0x587/0xd30 [ 3340.537572][ T10] kthread+0x28a/0x350 [ 3340.537572][ T10] ret_from_fork+0x31/0x70 [ 3340.537572][ T10] ret_from_fork_asm+0x1a/0x30 [ 3340.537572][ T10] [ 3340.539504][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3340.539504][ T10] netdev_get_by_index+0x5e/0x80 [ 3340.539504][ T10] fib6_nh_init+0x3d8/0x1580 [ 3340.539504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3340.539504][ T10] ip6_route_add+0x1c/0x140 [ 3340.539504][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3340.539504][ T10] inet6_addr_add+0x4f8/0xa40 [ 3340.539504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3340.539504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3340.539504][ T10] netlink_rcv_skb+0x130/0x360 [ 3340.539504][ T10] netlink_unicast+0x449/0x710 [ 3340.539504][ T10] netlink_sendmsg+0x723/0xbe0 [ 3340.539504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3340.539504][ T10] ___sys_sendmsg+0xee/0x170 [ 3340.539504][ T10] __sys_sendmsg+0xcd/0x170 [ 3340.539504][ T10] do_syscall_64+0xc6/0x1e0 [ 3340.539504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3340.539504][ T10] [ 3340.541505][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3340.541505][ T10] netdev_get_by_index+0x5e/0x80 [ 3340.541505][ T10] fib6_nh_init+0x3d8/0x1580 [ 3340.541505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3340.541505][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3340.541505][ T10] ipv6_add_addr+0x411/0x2000 [ 3340.541505][ T10] inet6_addr_add+0x30e/0xa40 [ 3340.541505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3340.541505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3340.541505][ T10] netlink_rcv_skb+0x130/0x360 [ 3340.541505][ T10] netlink_unicast+0x449/0x710 [ 3340.541505][ T10] netlink_sendmsg+0x723/0xbe0 [ 3340.541505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3340.541505][ T10] ___sys_sendmsg+0xee/0x170 [ 3340.541505][ T10] __sys_sendmsg+0xcd/0x170 [ 3340.541505][ T10] do_syscall_64+0xc6/0x1e0 [ 3340.541505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3340.541505][ T10] [ 3340.543503][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3340.543503][ T10] netdev_get_by_index+0x5e/0x80 [ 3340.543503][ T10] fib6_nh_init+0x3d8/0x1580 [ 3340.543503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3340.543503][ T10] ip6_route_add+0x1c/0x140 [ 3340.543503][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3340.543503][ T10] addrconf_add_dev+0xe2/0x170 [ 3340.543503][ T10] inet6_addr_add+0x12f/0xa40 [ 3340.543503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3340.543503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3340.543503][ T10] netlink_rcv_skb+0x130/0x360 [ 3340.543503][ T10] netlink_unicast+0x449/0x710 [ 3340.543503][ T10] netlink_sendmsg+0x723/0xbe0 [ 3340.543503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3340.543503][ T10] ___sys_sendmsg+0xee/0x170 [ 3340.543503][ T10] __sys_sendmsg+0xcd/0x170 [ 3340.543503][ T10] do_syscall_64+0xc6/0x1e0 [ 3340.543503][ T10] [ 3340.545511][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3340.545511][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3340.545511][ T10] ipv6_find_idev+0x102/0x170 [ 3340.545511][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3340.545511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3340.545511][ T10] netlink_rcv_skb+0x130/0x360 [ 3340.545511][ T10] netlink_unicast+0x449/0x710 [ 3340.545511][ T10] netlink_sendmsg+0x723/0xbe0 [ 3340.545511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3340.545511][ T10] ___sys_sendmsg+0xee/0x170 [ 3340.545511][ T10] __sys_sendmsg+0xcd/0x170 [ 3340.545511][ T10] do_syscall_64+0xc6/0x1e0 [ 3340.545511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3340.545511][ T10] [ 3340.547050][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3340.547050][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3340.547050][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3340.547050][ T10] ipv6_find_idev+0x102/0x170 [ 3340.547050][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3340.547050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3340.547050][ T10] netlink_rcv_skb+0x130/0x360 [ 3340.547050][ T10] netlink_unicast+0x449/0x710 [ 3340.547050][ T10] netlink_sendmsg+0x723/0xbe0 [ 3340.547050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3340.547050][ T10] ___sys_sendmsg+0xee/0x170 [ 3340.547050][ T10] __sys_sendmsg+0xcd/0x170 [ 3340.547050][ T10] do_syscall_64+0xc6/0x1e0 [ 3340.547050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3340.547050][ T10] [ 3340.548741][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3340.548983][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3340.548983][ T10] netdev_get_by_index+0x5e/0x80 [ 3340.548983][ T10] fib6_nh_init+0x3d8/0x1580 [ 3340.548983][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3340.548983][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3340.548983][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3340.548983][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3340.548983][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3340.548983][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3340.548983][ T10] addrconf_dad_begin+0x310/0x670 [ 3340.548983][ T10] addrconf_dad_work+0x10b/0xab0 [ 3340.548983][ T10] process_one_work+0x84d/0x18a0 [ 3340.548983][ T10] worker_thread+0x587/0xd30 [ 3340.548983][ T10] kthread+0x28a/0x350 [ 3340.548983][ T10] ret_from_fork+0x31/0x70 [ 3340.548983][ T10] ret_from_fork_asm+0x1a/0x30 [ 3340.548983][ T10] [ 3340.550891][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3340.550891][ T10] netdev_get_by_index+0x5e/0x80 [ 3340.550891][ T10] fib6_nh_init+0x3d8/0x1580 [ 3340.550891][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3340.550891][ T10] ip6_route_add+0x1c/0x140 [ 3340.550891][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3340.550891][ T10] inet6_addr_add+0x4f8/0xa40 [ 3340.550891][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3340.550891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3340.550891][ T10] netlink_rcv_skb+0x130/0x360 [ 3340.550891][ T10] netlink_unicast+0x449/0x710 [ 3340.550891][ T10] netlink_sendmsg+0x723/0xbe0 [ 3340.550891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3340.550891][ T10] ___sys_sendmsg+0xee/0x170 [ 3340.550891][ T10] __sys_sendmsg+0xcd/0x170 [ 3340.550891][ T10] do_syscall_64+0xc6/0x1e0 [ 3340.550891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3340.550891][ T10] [ 3340.552892][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3340.552892][ T10] netdev_get_by_index+0x5e/0x80 [ 3340.552892][ T10] fib6_nh_init+0x3d8/0x1580 [ 3340.552892][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3340.552892][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3340.552892][ T10] ipv6_add_addr+0x411/0x2000 [ 3340.552892][ T10] inet6_addr_add+0x30e/0xa40 [ 3340.552892][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3340.552892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3340.552892][ T10] netlink_rcv_skb+0x130/0x360 [ 3340.552892][ T10] netlink_unicast+0x449/0x710 [ 3340.552892][ T10] netlink_sendmsg+0x723/0xbe0 [ 3340.552892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3340.552892][ T10] ___sys_sendmsg+0xee/0x170 [ 3340.552892][ T10] __sys_sendmsg+0xcd/0x170 [ 3340.552892][ T10] do_syscall_64+0xc6/0x1e0 [ 3340.552892][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3340.552892][ T10] [ 3340.555257][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3340.555257][ T10] netdev_get_by_index+0x5e/0x80 [ 3340.555257][ T10] fib6_nh_init+0x3d8/0x1580 [ 3340.555257][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3340.555257][ T10] ip6_route_add+0x1c/0x140 [ 3340.555257][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3340.555257][ T10] addrconf_add_dev+0xe2/0x170 [ 3340.555257][ T10] inet6_addr_add+0x12f/0xa40 [ 3340.555257][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3340.555257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3340.555257][ T10] netlink_rcv_skb+0x130/0x360 [ 3340.555257][ T10] netlink_unicast+0x449/0x710 [ 3340.555257][ T10] netlink_sendmsg+0x723/0xbe0 [ 3340.555257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3340.555257][ T10] ___sys_sendmsg+0xee/0x170 [ 3340.555257][ T10] __sys_sendmsg+0xcd/0x170 [ 3340.555257][ T10] do_syscall_64+0xc6/0x1e0 [ 3340.555257][ T10] [ 3340.557215][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3340.557215][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3340.557215][ T10] ipv6_find_idev+0x102/0x170 [ 3340.557215][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3340.557215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3340.557215][ T10] netlink_rcv_skb+0x130/0x360 [ 3340.557215][ T10] netlink_unicast+0x449/0x710 [ 3340.557215][ T10] netlink_sendmsg+0x723/0xbe0 [ 3340.557215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3340.557215][ T10] ___sys_sendmsg+0xee/0x170 [ 3340.557215][ T10] __sys_sendmsg+0xcd/0x170 [ 3340.557215][ T10] do_syscall_64+0xc6/0x1e0 [ 3340.557215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3340.557215][ T10] [ 3340.558756][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3340.558756][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3340.558756][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3340.558756][ T10] ipv6_find_idev+0x102/0x170 [ 3340.558756][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3340.558756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3340.558756][ T10] netlink_rcv_skb+0x130/0x360 [ 3340.558756][ T10] netlink_unicast+0x449/0x710 [ 3340.558756][ T10] netlink_sendmsg+0x723/0xbe0 [ 3340.558756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3340.558756][ T10] ___sys_sendmsg+0xee/0x170 [ 3340.558756][ T10] __sys_sendmsg+0xcd/0x170 [ 3340.558756][ T10] do_syscall_64+0xc6/0x1e0 [ 3340.558756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3340.558756][ T10] [ 3340.560433][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3340.560676][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3340.560676][ T10] netdev_get_by_index+0x5e/0x80 [ 3340.560676][ T10] fib6_nh_init+0x3d8/0x1580 [ 3340.560676][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3340.560676][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3340.560676][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3340.560676][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3340.560676][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3340.560676][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3340.560676][ T10] addrconf_dad_begin+0x310/0x670 [ 3340.560676][ T10] addrconf_dad_work+0x10b/0xab0 [ 3340.560676][ T10] process_one_work+0x84d/0x18a0 [ 3340.560676][ T10] worker_thread+0x587/0xd30 [ 3340.560676][ T10] kthread+0x28a/0x350 [ 3340.560676][ T10] ret_from_fork+0x31/0x70 [ 3340.560676][ T10] ret_from_fork_asm+0x1a/0x30 [ 3340.560676][ T10] [ 3340.562600][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3340.562600][ T10] netdev_get_by_index+0x5e/0x80 [ 3340.562600][ T10] fib6_nh_init+0x3d8/0x1580 [ 3340.562600][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3340.562600][ T10] ip6_route_add+0x1c/0x140 [ 3340.562600][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3340.562600][ T10] inet6_addr_add+0x4f8/0xa40 [ 3340.562600][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3340.562600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3340.562600][ T10] netlink_rcv_skb+0x130/0x360 [ 3340.562600][ T10] netlink_unicast+0x449/0x710 [ 3340.562600][ T10] netlink_sendmsg+0x723/0xbe0 [ 3340.562600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3340.562600][ T10] ___sys_sendmsg+0xee/0x170 [ 3340.562600][ T10] __sys_sendmsg+0xcd/0x170 [ 3340.562600][ T10] do_syscall_64+0xc6/0x1e0 [ 3340.562600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3340.562600][ T10] [ 3340.564772][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3340.564772][ T10] netdev_get_by_index+0x5e/0x80 [ 3340.564772][ T10] fib6_nh_init+0x3d8/0x1580 [ 3340.564772][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3340.564772][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3340.564772][ T10] ipv6_add_addr+0x411/0x2000 [ 3340.564772][ T10] inet6_addr_add+0x30e/0xa40 [ 3340.564772][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3340.564772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3340.564772][ T10] netlink_rcv_skb+0x130/0x360 [ 3340.564772][ T10] netlink_unicast+0x449/0x710 [ 3340.564772][ T10] netlink_sendmsg+0x723/0xbe0 [ 3340.564772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3340.564772][ T10] ___sys_sendmsg+0xee/0x170 [ 3340.564772][ T10] __sys_sendmsg+0xcd/0x170 [ 3340.564772][ T10] do_syscall_64+0xc6/0x1e0 [ 3340.564772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3340.564772][ T10] [ 3340.567944][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3340.567944][ T10] netdev_get_by_index+0x5e/0x80 [ 3340.567944][ T10] fib6_nh_init+0x3d8/0x1580 [ 3340.567944][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3340.567944][ T10] ip6_route_add+0x1c/0x140 [ 3340.567944][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3340.567944][ T10] addrconf_add_dev+0xe2/0x170 [ 3340.567944][ T10] inet6_addr_add+0x12f/0xa40 [ 3340.567944][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3340.567944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3340.567944][ T10] netlink_rcv_skb+0x130/0x360 [ 3340.567944][ T10] netlink_unicast+0x449/0x710 [ 3340.567944][ T10] netlink_sendmsg+0x723/0xbe0 [ 3340.567944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3340.567944][ T10] ___sys_sendmsg+0xee/0x170 [ 3340.567944][ T10] __sys_sendmsg+0xcd/0x170 [ 3340.567944][ T10] do_syscall_64+0xc6/0x1e0 [ 3340.567944][ T10] [ 3340.571449][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3340.571449][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3340.571449][ T10] ipv6_find_idev+0x102/0x170 [ 3340.571449][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3340.571449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3340.571449][ T10] netlink_rcv_skb+0x130/0x360 [ 3340.571449][ T10] netlink_unicast+0x449/0x710 [ 3340.571449][ T10] netlink_sendmsg+0x723/0xbe0 [ 3340.571449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3340.571449][ T10] ___sys_sendmsg+0xee/0x170 [ 3340.571449][ T10] __sys_sendmsg+0xcd/0x170 [ 3340.571449][ T10] do_syscall_64+0xc6/0x1e0 [ 3340.571449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3340.571449][ T10] [ 3340.573239][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3340.573239][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3340.573239][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3340.573239][ T10] ipv6_find_idev+0x102/0x170 [ 3340.573239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3340.573239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3340.573239][ T10] netlink_rcv_skb+0x130/0x360 [ 3340.573239][ T10] netlink_unicast+0x449/0x710 [ 3340.573239][ T10] netlink_sendmsg+0x723/0xbe0 [ 3340.573239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3340.573239][ T10] ___sys_sendmsg+0xee/0x170 [ 3340.573239][ T10] __sys_sendmsg+0xcd/0x170 [ 3340.573239][ T10] do_syscall_64+0xc6/0x1e0 [ 3340.573239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3340.573239][ T10] [ 3340.575208][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3340.575458][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3340.575458][ T10] netdev_get_by_index+0x5e/0x80 [ 3340.575458][ T10] fib6_nh_init+0x3d8/0x1580 [ 3340.575458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3340.575458][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3340.575458][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3340.575458][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3340.575458][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3340.575458][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3340.575458][ T10] addrconf_dad_begin+0x310/0x670 [ 3340.575458][ T10] addrconf_dad_work+0x10b/0xab0 [ 3340.575458][ T10] process_one_work+0x84d/0x18a0 [ 3340.575458][ T10] worker_thread+0x587/0xd30 [ 3340.575458][ T10] kthread+0x28a/0x350 [ 3340.575458][ T10] ret_from_fork+0x31/0x70 [ 3340.575458][ T10] ret_from_fork_asm+0x1a/0x30 [ 3340.575458][ T10] [ 3340.577705][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3340.577705][ T10] netdev_get_by_index+0x5e/0x80 [ 3340.577705][ T10] fib6_nh_init+0x3d8/0x1580 [ 3340.577705][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3340.577705][ T10] ip6_route_add+0x1c/0x140 [ 3340.577705][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3340.577705][ T10] inet6_addr_add+0x4f8/0xa40 [ 3340.577705][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3340.577705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3340.577705][ T10] netlink_rcv_skb+0x130/0x360 [ 3340.577705][ T10] netlink_unicast+0x449/0x710 [ 3340.577705][ T10] netlink_sendmsg+0x723/0xbe0 [ 3340.577705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3340.577705][ T10] ___sys_sendmsg+0xee/0x170 [ 3340.577705][ T10] __sys_sendmsg+0xcd/0x170 [ 3340.577705][ T10] do_syscall_64+0xc6/0x1e0 [ 3340.577705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3340.577705][ T10] [ 3340.580021][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3340.580021][ T10] netdev_get_by_index+0x5e/0x80 [ 3340.580021][ T10] fib6_nh_init+0x3d8/0x1580 [ 3340.580021][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3340.580021][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3340.580021][ T10] ipv6_add_addr+0x411/0x2000 [ 3340.580021][ T10] inet6_addr_add+0x30e/0xa40 [ 3340.580021][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3340.580021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3340.580021][ T10] netlink_rcv_skb+0x130/0x360 [ 3340.580021][ T10] netlink_unicast+0x449/0x710 [ 3340.580021][ T10] netlink_sendmsg+0x723/0xbe0 [ 3340.580021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3340.580021][ T10] ___sys_sendmsg+0xee/0x170 [ 3340.580021][ T10] __sys_sendmsg+0xcd/0x170 [ 3340.580021][ T10] do_syscall_64+0xc6/0x1e0 [ 3340.580021][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3340.580021][ T10] [ 3340.582234][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3340.582234][ T10] netdev_get_by_index+0x5e/0x80 [ 3340.582234][ T10] fib6_nh_init+0x3d8/0x1580 [ 3340.582234][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3340.582234][ T10] ip6_route_add+0x1c/0x140 [ 3340.582234][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3340.582234][ T10] addrconf_add_dev+0xe2/0x170 [ 3340.582234][ T10] inet6_addr_add+0x12f/0xa40 [ 3340.582234][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3340.582234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3340.582234][ T10] netlink_rcv_skb+0x130/0x360 [ 3340.582234][ T10] netlink_unicast+0x449/0x710 [ 3340.582234][ T10] netlink_sendmsg+0x723/0xbe0 [ 3340.582234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3340.582234][ T10] ___sys_sendmsg+0xee/0x170 [ 3340.582234][ T10] __sys_sendmsg+0xcd/0x170 [ 3340.582234][ T10] do_syscall_64+0xc6/0x1e0 [ 3340.582234][ T10] [ 3340.584461][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3340.584461][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3340.584461][ T10] ipv6_find_idev+0x102/0x170 [ 3340.584461][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3340.584461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3340.584461][ T10] netlink_rcv_skb+0x130/0x360 [ 3340.584461][ T10] netlink_unicast+0x449/0x710 [ 3340.584461][ T10] netlink_sendmsg+0x723/0xbe0 [ 3340.584461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3340.584461][ T10] ___sys_sendmsg+0xee/0x170 [ 3340.584461][ T10] __sys_sendmsg+0xcd/0x170 [ 3340.584461][ T10] do_syscall_64+0xc6/0x1e0 [ 3340.584461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3340.584461][ T10] [ 3340.586194][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3340.586194][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3340.586194][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3340.586194][ T10] ipv6_find_idev+0x102/0x170 [ 3340.586194][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3340.586194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3340.586194][ T10] netlink_rcv_skb+0x130/0x360 [ 3340.586194][ T10] netlink_unicast+0x449/0x710 [ 3340.586194][ T10] netlink_sendmsg+0x723/0xbe0 [ 3340.586194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3340.586194][ T10] ___sys_sendmsg+0xee/0x170 [ 3340.586194][ T10] __sys_sendmsg+0xcd/0x170 [ 3340.586194][ T10] do_syscall_64+0xc6/0x1e0 [ 3340.586194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3340.586194][ T10] [ 3341.369183][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3341.369705][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3341.369705][ T1167] dst_init+0x84/0x4a0 [ 3341.369705][ T1167] dst_alloc+0x97/0x150 [ 3341.369705][ T1167] ip6_dst_alloc+0x23/0x90 [ 3341.369705][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3341.369705][ T1167] ip6_pol_route+0x56f/0x840 [ 3341.369705][ T1167] fib6_rule_lookup+0x334/0x630 [ 3341.369705][ T1167] ip6_route_output_flags+0x259/0x480 [ 3341.369705][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3341.369705][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3341.369705][ T1167] netlink_rcv_skb+0x130/0x360 [ 3341.369705][ T1167] netlink_unicast+0x449/0x710 [ 3341.369705][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3341.369705][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3341.369705][ T1167] ___sys_sendmsg+0xee/0x170 [ 3341.369705][ T1167] __sys_sendmsg+0xcd/0x170 [ 3341.369705][ T1167] do_syscall_64+0xc6/0x1e0 [ 3341.369705][ T1167] [ 3341.371946][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3341.371946][ T1167] netdev_get_by_index+0x5e/0x80 [ 3341.371946][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3341.371946][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3341.371946][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3341.371946][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3341.371946][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3341.371946][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3341.371946][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3341.371946][ T1167] addrconf_dad_begin+0x310/0x670 [ 3341.371946][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3341.371946][ T1167] process_one_work+0x84d/0x18a0 [ 3341.371946][ T1167] worker_thread+0x587/0xd30 [ 3341.371946][ T1167] kthread+0x28a/0x350 [ 3341.371946][ T1167] ret_from_fork+0x31/0x70 [ 3341.371946][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3341.371946][ T1167] [ 3341.374155][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3341.374155][ T1167] netdev_get_by_index+0x5e/0x80 [ 3341.374155][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3341.374155][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3341.374155][ T1167] ip6_route_add+0x1c/0x140 [ 3341.374155][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3341.374155][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3341.374155][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3341.374155][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3341.374155][ T1167] netlink_rcv_skb+0x130/0x360 [ 3341.374155][ T1167] netlink_unicast+0x449/0x710 [ 3341.374155][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3341.374155][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3341.374155][ T1167] ___sys_sendmsg+0xee/0x170 [ 3341.374155][ T1167] __sys_sendmsg+0xcd/0x170 [ 3341.374155][ T1167] do_syscall_64+0xc6/0x1e0 [ 3341.374155][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3341.374155][ T1167] [ 3341.376436][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3341.376436][ T1167] netdev_get_by_index+0x5e/0x80 [ 3341.376436][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3341.376436][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3341.376436][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3341.376436][ T1167] ipv6_add_addr+0x411/0x2000 [ 3341.376436][ T1167] inet6_addr_add+0x30e/0xa40 [ 3341.376436][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3341.376436][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3341.376436][ T1167] netlink_rcv_skb+0x130/0x360 [ 3341.376436][ T1167] netlink_unicast+0x449/0x710 [ 3341.376436][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3341.376436][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3341.376436][ T1167] ___sys_sendmsg+0xee/0x170 [ 3341.376436][ T1167] __sys_sendmsg+0xcd/0x170 [ 3341.376436][ T1167] do_syscall_64+0xc6/0x1e0 [ 3341.376436][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3341.376436][ T1167] [ 3341.378717][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3341.378717][ T1167] netdev_get_by_index+0x5e/0x80 [ 3341.378717][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3341.378717][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3341.378717][ T1167] ip6_route_add+0x1c/0x140 [ 3341.378717][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3341.378717][ T1167] addrconf_add_dev+0xe2/0x170 [ 3341.378717][ T1167] inet6_addr_add+0x12f/0xa40 [ 3341.378717][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3341.378717][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3341.378717][ T1167] netlink_rcv_skb+0x130/0x360 [ 3341.378717][ T1167] netlink_unicast+0x449/0x710 [ 3341.378717][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3341.378717][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3341.378717][ T1167] ___sys_sendmsg+0xee/0x170 [ 3341.378717][ T1167] __sys_sendmsg+0xcd/0x170 [ 3341.378717][ T1167] do_syscall_64+0xc6/0x1e0 [ 3341.378717][ T1167] [ 3341.380955][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3341.380955][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3341.380955][ T1167] ipv6_find_idev+0x102/0x170 [ 3341.380955][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3341.380955][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3341.380955][ T1167] netlink_rcv_skb+0x130/0x360 [ 3341.380955][ T1167] netlink_unicast+0x449/0x710 [ 3341.380955][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3341.380955][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3341.380955][ T1167] ___sys_sendmsg+0xee/0x170 [ 3341.380955][ T1167] __sys_sendmsg+0xcd/0x170 [ 3341.380955][ T1167] do_syscall_64+0xc6/0x1e0 [ 3341.380955][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3341.380955][ T1167] [ 3341.382728][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3341.382728][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3341.382728][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3341.382728][ T1167] ipv6_find_idev+0x102/0x170 [ 3341.382728][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3341.382728][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3341.382728][ T1167] netlink_rcv_skb+0x130/0x360 [ 3341.382728][ T1167] netlink_unicast+0x449/0x710 [ 3341.382728][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3341.382728][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3341.382728][ T1167] ___sys_sendmsg+0xee/0x170 [ 3341.382728][ T1167] __sys_sendmsg+0xcd/0x170 [ 3341.382728][ T1167] do_syscall_64+0xc6/0x1e0 [ 3341.382728][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3341.382728][ T1167] [ 3350.825127][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3350.825543][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3350.825543][ T10] netdev_get_by_index+0x5e/0x80 [ 3350.825543][ T10] fib6_nh_init+0x3d8/0x1580 [ 3350.825543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3350.825543][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3350.825543][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3350.825543][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3350.825543][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3350.825543][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3350.825543][ T10] addrconf_dad_begin+0x310/0x670 [ 3350.825543][ T10] addrconf_dad_work+0x10b/0xab0 [ 3350.825543][ T10] process_one_work+0x84d/0x18a0 [ 3350.825543][ T10] worker_thread+0x587/0xd30 [ 3350.825543][ T10] kthread+0x28a/0x350 [ 3350.825543][ T10] ret_from_fork+0x31/0x70 [ 3350.825543][ T10] ret_from_fork_asm+0x1a/0x30 [ 3350.825543][ T10] [ 3350.827495][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3350.827495][ T10] netdev_get_by_index+0x5e/0x80 [ 3350.827495][ T10] fib6_nh_init+0x3d8/0x1580 [ 3350.827495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3350.827495][ T10] ip6_route_add+0x1c/0x140 [ 3350.827495][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3350.827495][ T10] inet6_addr_add+0x4f8/0xa40 [ 3350.827495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3350.827495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3350.827495][ T10] netlink_rcv_skb+0x130/0x360 [ 3350.827495][ T10] netlink_unicast+0x449/0x710 [ 3350.827495][ T10] netlink_sendmsg+0x723/0xbe0 [ 3350.827495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3350.827495][ T10] ___sys_sendmsg+0xee/0x170 [ 3350.827495][ T10] __sys_sendmsg+0xcd/0x170 [ 3350.827495][ T10] do_syscall_64+0xc6/0x1e0 [ 3350.827495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3350.827495][ T10] [ 3350.829503][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3350.829503][ T10] netdev_get_by_index+0x5e/0x80 [ 3350.829503][ T10] fib6_nh_init+0x3d8/0x1580 [ 3350.829503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3350.829503][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3350.829503][ T10] ipv6_add_addr+0x411/0x2000 [ 3350.829503][ T10] inet6_addr_add+0x30e/0xa40 [ 3350.829503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3350.829503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3350.829503][ T10] netlink_rcv_skb+0x130/0x360 [ 3350.829503][ T10] netlink_unicast+0x449/0x710 [ 3350.829503][ T10] netlink_sendmsg+0x723/0xbe0 [ 3350.829503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3350.829503][ T10] ___sys_sendmsg+0xee/0x170 [ 3350.829503][ T10] __sys_sendmsg+0xcd/0x170 [ 3350.829503][ T10] do_syscall_64+0xc6/0x1e0 [ 3350.829503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3350.829503][ T10] [ 3350.831499][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3350.831499][ T10] netdev_get_by_index+0x5e/0x80 [ 3350.831499][ T10] fib6_nh_init+0x3d8/0x1580 [ 3350.831499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3350.831499][ T10] ip6_route_add+0x1c/0x140 [ 3350.831499][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3350.831499][ T10] addrconf_add_dev+0xe2/0x170 [ 3350.831499][ T10] inet6_addr_add+0x12f/0xa40 [ 3350.831499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3350.831499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3350.831499][ T10] netlink_rcv_skb+0x130/0x360 [ 3350.831499][ T10] netlink_unicast+0x449/0x710 [ 3350.831499][ T10] netlink_sendmsg+0x723/0xbe0 [ 3350.831499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3350.831499][ T10] ___sys_sendmsg+0xee/0x170 [ 3350.831499][ T10] __sys_sendmsg+0xcd/0x170 [ 3350.831499][ T10] do_syscall_64+0xc6/0x1e0 [ 3350.831499][ T10] [ 3350.833465][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3350.833465][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3350.833465][ T10] ipv6_find_idev+0x102/0x170 [ 3350.833465][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3350.833465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3350.833465][ T10] netlink_rcv_skb+0x130/0x360 [ 3350.833465][ T10] netlink_unicast+0x449/0x710 [ 3350.833465][ T10] netlink_sendmsg+0x723/0xbe0 [ 3350.833465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3350.833465][ T10] ___sys_sendmsg+0xee/0x170 [ 3350.833465][ T10] __sys_sendmsg+0xcd/0x170 [ 3350.833465][ T10] do_syscall_64+0xc6/0x1e0 [ 3350.833465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3350.833465][ T10] [ 3350.834997][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3350.834997][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3350.834997][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3350.834997][ T10] ipv6_find_idev+0x102/0x170 [ 3350.834997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3350.834997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3350.834997][ T10] netlink_rcv_skb+0x130/0x360 [ 3350.834997][ T10] netlink_unicast+0x449/0x710 [ 3350.834997][ T10] netlink_sendmsg+0x723/0xbe0 [ 3350.834997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3350.834997][ T10] ___sys_sendmsg+0xee/0x170 [ 3350.834997][ T10] __sys_sendmsg+0xcd/0x170 [ 3350.834997][ T10] do_syscall_64+0xc6/0x1e0 [ 3350.834997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3350.834997][ T10] [ 3350.836677][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3350.836931][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3350.836931][ T10] netdev_get_by_index+0x5e/0x80 [ 3350.836931][ T10] fib6_nh_init+0x3d8/0x1580 [ 3350.836931][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3350.836931][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3350.836931][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3350.836931][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3350.836931][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3350.836931][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3350.836931][ T10] addrconf_dad_begin+0x310/0x670 [ 3350.836931][ T10] addrconf_dad_work+0x10b/0xab0 [ 3350.836931][ T10] process_one_work+0x84d/0x18a0 [ 3350.836931][ T10] worker_thread+0x587/0xd30 [ 3350.836931][ T10] kthread+0x28a/0x350 [ 3350.836931][ T10] ret_from_fork+0x31/0x70 [ 3350.836931][ T10] ret_from_fork_asm+0x1a/0x30 [ 3350.836931][ T10] [ 3350.838831][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3350.838831][ T10] netdev_get_by_index+0x5e/0x80 [ 3350.838831][ T10] fib6_nh_init+0x3d8/0x1580 [ 3350.838831][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3350.838831][ T10] ip6_route_add+0x1c/0x140 [ 3350.838831][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3350.838831][ T10] inet6_addr_add+0x4f8/0xa40 [ 3350.838831][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3350.838831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3350.838831][ T10] netlink_rcv_skb+0x130/0x360 [ 3350.838831][ T10] netlink_unicast+0x449/0x710 [ 3350.838831][ T10] netlink_sendmsg+0x723/0xbe0 [ 3350.838831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3350.838831][ T10] ___sys_sendmsg+0xee/0x170 [ 3350.838831][ T10] __sys_sendmsg+0xcd/0x170 [ 3350.838831][ T10] do_syscall_64+0xc6/0x1e0 [ 3350.838831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3350.838831][ T10] [ 3350.840831][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3350.840831][ T10] netdev_get_by_index+0x5e/0x80 [ 3350.840831][ T10] fib6_nh_init+0x3d8/0x1580 [ 3350.840831][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3350.840831][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3350.840831][ T10] ipv6_add_addr+0x411/0x2000 [ 3350.840831][ T10] inet6_addr_add+0x30e/0xa40 [ 3350.840831][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3350.840831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3350.840831][ T10] netlink_rcv_skb+0x130/0x360 [ 3350.840831][ T10] netlink_unicast+0x449/0x710 [ 3350.840831][ T10] netlink_sendmsg+0x723/0xbe0 [ 3350.840831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3350.840831][ T10] ___sys_sendmsg+0xee/0x170 [ 3350.840831][ T10] __sys_sendmsg+0xcd/0x170 [ 3350.840831][ T10] do_syscall_64+0xc6/0x1e0 [ 3350.840831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3350.840831][ T10] [ 3350.842834][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3350.842834][ T10] netdev_get_by_index+0x5e/0x80 [ 3350.842834][ T10] fib6_nh_init+0x3d8/0x1580 [ 3350.842834][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3350.842834][ T10] ip6_route_add+0x1c/0x140 [ 3350.842834][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3350.842834][ T10] addrconf_add_dev+0xe2/0x170 [ 3350.842834][ T10] inet6_addr_add+0x12f/0xa40 [ 3350.842834][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3350.842834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3350.842834][ T10] netlink_rcv_skb+0x130/0x360 [ 3350.842834][ T10] netlink_unicast+0x449/0x710 [ 3350.842834][ T10] netlink_sendmsg+0x723/0xbe0 [ 3350.842834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3350.842834][ T10] ___sys_sendmsg+0xee/0x170 [ 3350.842834][ T10] __sys_sendmsg+0xcd/0x170 [ 3350.842834][ T10] do_syscall_64+0xc6/0x1e0 [ 3350.842834][ T10] [ 3350.844796][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3350.844796][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3350.844796][ T10] ipv6_find_idev+0x102/0x170 [ 3350.844796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3350.844796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3350.844796][ T10] netlink_rcv_skb+0x130/0x360 [ 3350.844796][ T10] netlink_unicast+0x449/0x710 [ 3350.844796][ T10] netlink_sendmsg+0x723/0xbe0 [ 3350.844796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3350.844796][ T10] ___sys_sendmsg+0xee/0x170 [ 3350.844796][ T10] __sys_sendmsg+0xcd/0x170 [ 3350.844796][ T10] do_syscall_64+0xc6/0x1e0 [ 3350.844796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3350.844796][ T10] [ 3350.846329][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3350.846329][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3350.846329][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3350.846329][ T10] ipv6_find_idev+0x102/0x170 [ 3350.846329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3350.846329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3350.846329][ T10] netlink_rcv_skb+0x130/0x360 [ 3350.846329][ T10] netlink_unicast+0x449/0x710 [ 3350.846329][ T10] netlink_sendmsg+0x723/0xbe0 [ 3350.846329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3350.846329][ T10] ___sys_sendmsg+0xee/0x170 [ 3350.846329][ T10] __sys_sendmsg+0xcd/0x170 [ 3350.846329][ T10] do_syscall_64+0xc6/0x1e0 [ 3350.846329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3350.846329][ T10] [ 3350.848024][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3350.848258][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3350.848258][ T10] netdev_get_by_index+0x5e/0x80 [ 3350.848258][ T10] fib6_nh_init+0x3d8/0x1580 [ 3350.848258][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3350.848258][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3350.848258][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3350.848258][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3350.848258][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3350.848258][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3350.848258][ T10] addrconf_dad_begin+0x310/0x670 [ 3350.848258][ T10] addrconf_dad_work+0x10b/0xab0 [ 3350.848258][ T10] process_one_work+0x84d/0x18a0 [ 3350.848258][ T10] worker_thread+0x587/0xd30 [ 3350.848258][ T10] kthread+0x28a/0x350 [ 3350.848258][ T10] ret_from_fork+0x31/0x70 [ 3350.848258][ T10] ret_from_fork_asm+0x1a/0x30 [ 3350.848258][ T10] [ 3350.850170][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3350.850170][ T10] netdev_get_by_index+0x5e/0x80 [ 3350.850170][ T10] fib6_nh_init+0x3d8/0x1580 [ 3350.850170][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3350.850170][ T10] ip6_route_add+0x1c/0x140 [ 3350.850170][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3350.850170][ T10] inet6_addr_add+0x4f8/0xa40 [ 3350.850170][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3350.850170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3350.850170][ T10] netlink_rcv_skb+0x130/0x360 [ 3350.850170][ T10] netlink_unicast+0x449/0x710 [ 3350.850170][ T10] netlink_sendmsg+0x723/0xbe0 [ 3350.850170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3350.850170][ T10] ___sys_sendmsg+0xee/0x170 [ 3350.850170][ T10] __sys_sendmsg+0xcd/0x170 [ 3350.850170][ T10] do_syscall_64+0xc6/0x1e0 [ 3350.850170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3350.850170][ T10] [ 3350.852380][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3350.852380][ T10] netdev_get_by_index+0x5e/0x80 [ 3350.852380][ T10] fib6_nh_init+0x3d8/0x1580 [ 3350.852380][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3350.852380][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3350.852380][ T10] ipv6_add_addr+0x411/0x2000 [ 3350.852380][ T10] inet6_addr_add+0x30e/0xa40 [ 3350.852380][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3350.852380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3350.852380][ T10] netlink_rcv_skb+0x130/0x360 [ 3350.852380][ T10] netlink_unicast+0x449/0x710 [ 3350.852380][ T10] netlink_sendmsg+0x723/0xbe0 [ 3350.852380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3350.852380][ T10] ___sys_sendmsg+0xee/0x170 [ 3350.852380][ T10] __sys_sendmsg+0xcd/0x170 [ 3350.852380][ T10] do_syscall_64+0xc6/0x1e0 [ 3350.852380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3350.852380][ T10] [ 3350.854680][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3350.854680][ T10] netdev_get_by_index+0x5e/0x80 [ 3350.854680][ T10] fib6_nh_init+0x3d8/0x1580 [ 3350.854680][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3350.854680][ T10] ip6_route_add+0x1c/0x140 [ 3350.854680][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3350.854680][ T10] addrconf_add_dev+0xe2/0x170 [ 3350.854680][ T10] inet6_addr_add+0x12f/0xa40 [ 3350.854680][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3350.854680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3350.854680][ T10] netlink_rcv_skb+0x130/0x360 [ 3350.854680][ T10] netlink_unicast+0x449/0x710 [ 3350.854680][ T10] netlink_sendmsg+0x723/0xbe0 [ 3350.854680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3350.854680][ T10] ___sys_sendmsg+0xee/0x170 [ 3350.854680][ T10] __sys_sendmsg+0xcd/0x170 [ 3350.854680][ T10] do_syscall_64+0xc6/0x1e0 [ 3350.854680][ T10] [ 3350.856823][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3350.856823][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3350.856823][ T10] ipv6_find_idev+0x102/0x170 [ 3350.856823][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3350.856823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3350.856823][ T10] netlink_rcv_skb+0x130/0x360 [ 3350.856823][ T10] netlink_unicast+0x449/0x710 [ 3350.856823][ T10] netlink_sendmsg+0x723/0xbe0 [ 3350.856823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3350.856823][ T10] ___sys_sendmsg+0xee/0x170 [ 3350.856823][ T10] __sys_sendmsg+0xcd/0x170 [ 3350.856823][ T10] do_syscall_64+0xc6/0x1e0 [ 3350.856823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3350.856823][ T10] [ 3350.858555][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3350.858555][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3350.858555][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3350.858555][ T10] ipv6_find_idev+0x102/0x170 [ 3350.858555][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3350.858555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3350.858555][ T10] netlink_rcv_skb+0x130/0x360 [ 3350.858555][ T10] netlink_unicast+0x449/0x710 [ 3350.858555][ T10] netlink_sendmsg+0x723/0xbe0 [ 3350.858555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3350.858555][ T10] ___sys_sendmsg+0xee/0x170 [ 3350.858555][ T10] __sys_sendmsg+0xcd/0x170 [ 3350.858555][ T10] do_syscall_64+0xc6/0x1e0 [ 3350.858555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3350.858555][ T10] [ 3350.860426][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3350.860667][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3350.860667][ T10] netdev_get_by_index+0x5e/0x80 [ 3350.860667][ T10] fib6_nh_init+0x3d8/0x1580 [ 3350.860667][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3350.860667][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3350.860667][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3350.860667][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3350.860667][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3350.860667][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3350.860667][ T10] addrconf_dad_begin+0x310/0x670 [ 3350.860667][ T10] addrconf_dad_work+0x10b/0xab0 [ 3350.860667][ T10] process_one_work+0x84d/0x18a0 [ 3350.860667][ T10] worker_thread+0x587/0xd30 [ 3350.860667][ T10] kthread+0x28a/0x350 [ 3350.860667][ T10] ret_from_fork+0x31/0x70 [ 3350.860667][ T10] ret_from_fork_asm+0x1a/0x30 [ 3350.860667][ T10] [ 3350.862900][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3350.862900][ T10] netdev_get_by_index+0x5e/0x80 [ 3350.862900][ T10] fib6_nh_init+0x3d8/0x1580 [ 3350.862900][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3350.862900][ T10] ip6_route_add+0x1c/0x140 [ 3350.862900][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3350.862900][ T10] inet6_addr_add+0x4f8/0xa40 [ 3350.862900][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3350.862900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3350.862900][ T10] netlink_rcv_skb+0x130/0x360 [ 3350.862900][ T10] netlink_unicast+0x449/0x710 [ 3350.862900][ T10] netlink_sendmsg+0x723/0xbe0 [ 3350.862900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3350.862900][ T10] ___sys_sendmsg+0xee/0x170 [ 3350.862900][ T10] __sys_sendmsg+0xcd/0x170 [ 3350.862900][ T10] do_syscall_64+0xc6/0x1e0 [ 3350.862900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3350.862900][ T10] [ 3350.865145][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3350.865145][ T10] netdev_get_by_index+0x5e/0x80 [ 3350.865145][ T10] fib6_nh_init+0x3d8/0x1580 [ 3350.865145][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3350.865145][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3350.865145][ T10] ipv6_add_addr+0x411/0x2000 [ 3350.865145][ T10] inet6_addr_add+0x30e/0xa40 [ 3350.865145][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3350.865145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3350.865145][ T10] netlink_rcv_skb+0x130/0x360 [ 3350.865145][ T10] netlink_unicast+0x449/0x710 [ 3350.865145][ T10] netlink_sendmsg+0x723/0xbe0 [ 3350.865145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3350.865145][ T10] ___sys_sendmsg+0xee/0x170 [ 3350.865145][ T10] __sys_sendmsg+0xcd/0x170 [ 3350.865145][ T10] do_syscall_64+0xc6/0x1e0 [ 3350.865145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3350.865145][ T10] [ 3350.867326][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3350.867326][ T10] netdev_get_by_index+0x5e/0x80 [ 3350.867326][ T10] fib6_nh_init+0x3d8/0x1580 [ 3350.867326][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3350.867326][ T10] ip6_route_add+0x1c/0x140 [ 3350.867326][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3350.867326][ T10] addrconf_add_dev+0xe2/0x170 [ 3350.867326][ T10] inet6_addr_add+0x12f/0xa40 [ 3350.867326][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3350.867326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3350.867326][ T10] netlink_rcv_skb+0x130/0x360 [ 3350.867326][ T10] netlink_unicast+0x449/0x710 [ 3350.867326][ T10] netlink_sendmsg+0x723/0xbe0 [ 3350.867326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3350.867326][ T10] ___sys_sendmsg+0xee/0x170 [ 3350.867326][ T10] __sys_sendmsg+0xcd/0x170 [ 3350.867326][ T10] do_syscall_64+0xc6/0x1e0 [ 3350.867326][ T10] [ 3350.869548][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3350.869548][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3350.869548][ T10] ipv6_find_idev+0x102/0x170 [ 3350.869548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3350.869548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3350.869548][ T10] netlink_rcv_skb+0x130/0x360 [ 3350.869548][ T10] netlink_unicast+0x449/0x710 [ 3350.869548][ T10] netlink_sendmsg+0x723/0xbe0 [ 3350.869548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3350.869548][ T10] ___sys_sendmsg+0xee/0x170 [ 3350.869548][ T10] __sys_sendmsg+0xcd/0x170 [ 3350.869548][ T10] do_syscall_64+0xc6/0x1e0 [ 3350.869548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3350.869548][ T10] [ 3350.871279][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3350.871279][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3350.871279][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3350.871279][ T10] ipv6_find_idev+0x102/0x170 [ 3350.871279][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3350.871279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3350.871279][ T10] netlink_rcv_skb+0x130/0x360 [ 3350.871279][ T10] netlink_unicast+0x449/0x710 [ 3350.871279][ T10] netlink_sendmsg+0x723/0xbe0 [ 3350.871279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3350.871279][ T10] ___sys_sendmsg+0xee/0x170 [ 3350.871279][ T10] __sys_sendmsg+0xcd/0x170 [ 3350.871279][ T10] do_syscall_64+0xc6/0x1e0 [ 3350.871279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3350.871279][ T10] [ 3351.393036][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3351.393494][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3351.393494][ T1167] dst_init+0x84/0x4a0 [ 3351.393494][ T1167] dst_alloc+0x97/0x150 [ 3351.393494][ T1167] ip6_dst_alloc+0x23/0x90 [ 3351.393494][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3351.393494][ T1167] ip6_pol_route+0x56f/0x840 [ 3351.393494][ T1167] fib6_rule_lookup+0x334/0x630 [ 3351.393494][ T1167] ip6_route_output_flags+0x259/0x480 [ 3351.393494][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3351.393494][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3351.393494][ T1167] netlink_rcv_skb+0x130/0x360 [ 3351.393494][ T1167] netlink_unicast+0x449/0x710 [ 3351.393494][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3351.393494][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3351.393494][ T1167] ___sys_sendmsg+0xee/0x170 [ 3351.393494][ T1167] __sys_sendmsg+0xcd/0x170 [ 3351.393494][ T1167] do_syscall_64+0xc6/0x1e0 [ 3351.393494][ T1167] [ 3351.395722][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3351.395722][ T1167] netdev_get_by_index+0x5e/0x80 [ 3351.395722][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3351.395722][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3351.395722][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3351.395722][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3351.395722][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3351.395722][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3351.395722][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3351.395722][ T1167] addrconf_dad_begin+0x310/0x670 [ 3351.395722][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3351.395722][ T1167] process_one_work+0x84d/0x18a0 [ 3351.395722][ T1167] worker_thread+0x587/0xd30 [ 3351.395722][ T1167] kthread+0x28a/0x350 [ 3351.395722][ T1167] ret_from_fork+0x31/0x70 [ 3351.395722][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3351.395722][ T1167] [ 3351.397907][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3351.397907][ T1167] netdev_get_by_index+0x5e/0x80 [ 3351.397907][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3351.397907][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3351.397907][ T1167] ip6_route_add+0x1c/0x140 [ 3351.397907][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3351.397907][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3351.397907][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3351.397907][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3351.397907][ T1167] netlink_rcv_skb+0x130/0x360 [ 3351.397907][ T1167] netlink_unicast+0x449/0x710 [ 3351.397907][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3351.397907][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3351.397907][ T1167] ___sys_sendmsg+0xee/0x170 [ 3351.397907][ T1167] __sys_sendmsg+0xcd/0x170 [ 3351.397907][ T1167] do_syscall_64+0xc6/0x1e0 [ 3351.397907][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3351.397907][ T1167] [ 3351.400203][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3351.400203][ T1167] netdev_get_by_index+0x5e/0x80 [ 3351.400203][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3351.400203][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3351.400203][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3351.400203][ T1167] ipv6_add_addr+0x411/0x2000 [ 3351.400203][ T1167] inet6_addr_add+0x30e/0xa40 [ 3351.400203][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3351.400203][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3351.400203][ T1167] netlink_rcv_skb+0x130/0x360 [ 3351.400203][ T1167] netlink_unicast+0x449/0x710 [ 3351.400203][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3351.400203][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3351.400203][ T1167] ___sys_sendmsg+0xee/0x170 [ 3351.400203][ T1167] __sys_sendmsg+0xcd/0x170 [ 3351.400203][ T1167] do_syscall_64+0xc6/0x1e0 [ 3351.400203][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3351.400203][ T1167] [ 3351.402502][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3351.402502][ T1167] netdev_get_by_index+0x5e/0x80 [ 3351.402502][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3351.402502][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3351.402502][ T1167] ip6_route_add+0x1c/0x140 [ 3351.402502][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3351.402502][ T1167] addrconf_add_dev+0xe2/0x170 [ 3351.402502][ T1167] inet6_addr_add+0x12f/0xa40 [ 3351.402502][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3351.402502][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3351.402502][ T1167] netlink_rcv_skb+0x130/0x360 [ 3351.402502][ T1167] netlink_unicast+0x449/0x710 [ 3351.402502][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3351.402502][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3351.402502][ T1167] ___sys_sendmsg+0xee/0x170 [ 3351.402502][ T1167] __sys_sendmsg+0xcd/0x170 [ 3351.402502][ T1167] do_syscall_64+0xc6/0x1e0 [ 3351.402502][ T1167] [ 3351.404745][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3351.404745][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3351.404745][ T1167] ipv6_find_idev+0x102/0x170 [ 3351.404745][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3351.404745][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3351.404745][ T1167] netlink_rcv_skb+0x130/0x360 [ 3351.404745][ T1167] netlink_unicast+0x449/0x710 [ 3351.404745][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3351.404745][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3351.404745][ T1167] ___sys_sendmsg+0xee/0x170 [ 3351.404745][ T1167] __sys_sendmsg+0xcd/0x170 [ 3351.404745][ T1167] do_syscall_64+0xc6/0x1e0 [ 3351.404745][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3351.404745][ T1167] [ 3351.406550][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3351.406550][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3351.406550][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3351.406550][ T1167] ipv6_find_idev+0x102/0x170 [ 3351.406550][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3351.406550][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3351.406550][ T1167] netlink_rcv_skb+0x130/0x360 [ 3351.406550][ T1167] netlink_unicast+0x449/0x710 [ 3351.406550][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3351.406550][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3351.406550][ T1167] ___sys_sendmsg+0xee/0x170 [ 3351.406550][ T1167] __sys_sendmsg+0xcd/0x170 [ 3351.406550][ T1167] do_syscall_64+0xc6/0x1e0 [ 3351.406550][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3351.406550][ T1167] [ 3361.113086][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3361.113423][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3361.113423][ T10] netdev_get_by_index+0x5e/0x80 [ 3361.113423][ T10] fib6_nh_init+0x3d8/0x1580 [ 3361.113423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3361.113423][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3361.113423][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3361.113423][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3361.113423][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3361.113423][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3361.113423][ T10] addrconf_dad_begin+0x310/0x670 [ 3361.113423][ T10] addrconf_dad_work+0x10b/0xab0 [ 3361.113423][ T10] process_one_work+0x84d/0x18a0 [ 3361.113423][ T10] worker_thread+0x587/0xd30 [ 3361.113423][ T10] kthread+0x28a/0x350 [ 3361.113423][ T10] ret_from_fork+0x31/0x70 [ 3361.113423][ T10] ret_from_fork_asm+0x1a/0x30 [ 3361.113423][ T10] [ 3361.115388][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3361.115388][ T10] netdev_get_by_index+0x5e/0x80 [ 3361.115388][ T10] fib6_nh_init+0x3d8/0x1580 [ 3361.115388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3361.115388][ T10] ip6_route_add+0x1c/0x140 [ 3361.115388][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3361.115388][ T10] inet6_addr_add+0x4f8/0xa40 [ 3361.115388][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3361.115388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.115388][ T10] netlink_rcv_skb+0x130/0x360 [ 3361.115388][ T10] netlink_unicast+0x449/0x710 [ 3361.115388][ T10] netlink_sendmsg+0x723/0xbe0 [ 3361.115388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3361.115388][ T10] ___sys_sendmsg+0xee/0x170 [ 3361.115388][ T10] __sys_sendmsg+0xcd/0x170 [ 3361.115388][ T10] do_syscall_64+0xc6/0x1e0 [ 3361.115388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.115388][ T10] [ 3361.117385][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3361.117385][ T10] netdev_get_by_index+0x5e/0x80 [ 3361.117385][ T10] fib6_nh_init+0x3d8/0x1580 [ 3361.117385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3361.117385][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3361.117385][ T10] ipv6_add_addr+0x411/0x2000 [ 3361.117385][ T10] inet6_addr_add+0x30e/0xa40 [ 3361.117385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3361.117385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.117385][ T10] netlink_rcv_skb+0x130/0x360 [ 3361.117385][ T10] netlink_unicast+0x449/0x710 [ 3361.117385][ T10] netlink_sendmsg+0x723/0xbe0 [ 3361.117385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3361.117385][ T10] ___sys_sendmsg+0xee/0x170 [ 3361.117385][ T10] __sys_sendmsg+0xcd/0x170 [ 3361.117385][ T10] do_syscall_64+0xc6/0x1e0 [ 3361.117385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.117385][ T10] [ 3361.119384][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3361.119384][ T10] netdev_get_by_index+0x5e/0x80 [ 3361.119384][ T10] fib6_nh_init+0x3d8/0x1580 [ 3361.119384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3361.119384][ T10] ip6_route_add+0x1c/0x140 [ 3361.119384][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3361.119384][ T10] addrconf_add_dev+0xe2/0x170 [ 3361.119384][ T10] inet6_addr_add+0x12f/0xa40 [ 3361.119384][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3361.119384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.119384][ T10] netlink_rcv_skb+0x130/0x360 [ 3361.119384][ T10] netlink_unicast+0x449/0x710 [ 3361.119384][ T10] netlink_sendmsg+0x723/0xbe0 [ 3361.119384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3361.119384][ T10] ___sys_sendmsg+0xee/0x170 [ 3361.119384][ T10] __sys_sendmsg+0xcd/0x170 [ 3361.119384][ T10] do_syscall_64+0xc6/0x1e0 [ 3361.119384][ T10] [ 3361.121351][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3361.121351][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3361.121351][ T10] ipv6_find_idev+0x102/0x170 [ 3361.121351][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3361.121351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.121351][ T10] netlink_rcv_skb+0x130/0x360 [ 3361.121351][ T10] netlink_unicast+0x449/0x710 [ 3361.121351][ T10] netlink_sendmsg+0x723/0xbe0 [ 3361.121351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3361.121351][ T10] ___sys_sendmsg+0xee/0x170 [ 3361.121351][ T10] __sys_sendmsg+0xcd/0x170 [ 3361.121351][ T10] do_syscall_64+0xc6/0x1e0 [ 3361.121351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.121351][ T10] [ 3361.122911][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3361.122911][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3361.122911][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3361.122911][ T10] ipv6_find_idev+0x102/0x170 [ 3361.122911][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3361.122911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.122911][ T10] netlink_rcv_skb+0x130/0x360 [ 3361.122911][ T10] netlink_unicast+0x449/0x710 [ 3361.122911][ T10] netlink_sendmsg+0x723/0xbe0 [ 3361.122911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3361.122911][ T10] ___sys_sendmsg+0xee/0x170 [ 3361.122911][ T10] __sys_sendmsg+0xcd/0x170 [ 3361.122911][ T10] do_syscall_64+0xc6/0x1e0 [ 3361.122911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.122911][ T10] [ 3361.124595][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3361.124842][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3361.124842][ T10] netdev_get_by_index+0x5e/0x80 [ 3361.124842][ T10] fib6_nh_init+0x3d8/0x1580 [ 3361.124842][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3361.124842][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3361.124842][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3361.124842][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3361.124842][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3361.124842][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3361.124842][ T10] addrconf_dad_begin+0x310/0x670 [ 3361.124842][ T10] addrconf_dad_work+0x10b/0xab0 [ 3361.124842][ T10] process_one_work+0x84d/0x18a0 [ 3361.124842][ T10] worker_thread+0x587/0xd30 [ 3361.124842][ T10] kthread+0x28a/0x350 [ 3361.124842][ T10] ret_from_fork+0x31/0x70 [ 3361.124842][ T10] ret_from_fork_asm+0x1a/0x30 [ 3361.124842][ T10] [ 3361.126762][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3361.126762][ T10] netdev_get_by_index+0x5e/0x80 [ 3361.126762][ T10] fib6_nh_init+0x3d8/0x1580 [ 3361.126762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3361.126762][ T10] ip6_route_add+0x1c/0x140 [ 3361.126762][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3361.126762][ T10] inet6_addr_add+0x4f8/0xa40 [ 3361.126762][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3361.126762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.126762][ T10] netlink_rcv_skb+0x130/0x360 [ 3361.126762][ T10] netlink_unicast+0x449/0x710 [ 3361.126762][ T10] netlink_sendmsg+0x723/0xbe0 [ 3361.126762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3361.126762][ T10] ___sys_sendmsg+0xee/0x170 [ 3361.126762][ T10] __sys_sendmsg+0xcd/0x170 [ 3361.126762][ T10] do_syscall_64+0xc6/0x1e0 [ 3361.126762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.126762][ T10] [ 3361.128758][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3361.128758][ T10] netdev_get_by_index+0x5e/0x80 [ 3361.128758][ T10] fib6_nh_init+0x3d8/0x1580 [ 3361.128758][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3361.128758][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3361.128758][ T10] ipv6_add_addr+0x411/0x2000 [ 3361.128758][ T10] inet6_addr_add+0x30e/0xa40 [ 3361.128758][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3361.128758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.128758][ T10] netlink_rcv_skb+0x130/0x360 [ 3361.128758][ T10] netlink_unicast+0x449/0x710 [ 3361.128758][ T10] netlink_sendmsg+0x723/0xbe0 [ 3361.128758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3361.128758][ T10] ___sys_sendmsg+0xee/0x170 [ 3361.128758][ T10] __sys_sendmsg+0xcd/0x170 [ 3361.128758][ T10] do_syscall_64+0xc6/0x1e0 [ 3361.128758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.128758][ T10] [ 3361.130764][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3361.130764][ T10] netdev_get_by_index+0x5e/0x80 [ 3361.130764][ T10] fib6_nh_init+0x3d8/0x1580 [ 3361.130764][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3361.130764][ T10] ip6_route_add+0x1c/0x140 [ 3361.130764][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3361.130764][ T10] addrconf_add_dev+0xe2/0x170 [ 3361.130764][ T10] inet6_addr_add+0x12f/0xa40 [ 3361.130764][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3361.130764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.130764][ T10] netlink_rcv_skb+0x130/0x360 [ 3361.130764][ T10] netlink_unicast+0x449/0x710 [ 3361.130764][ T10] netlink_sendmsg+0x723/0xbe0 [ 3361.130764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3361.130764][ T10] ___sys_sendmsg+0xee/0x170 [ 3361.130764][ T10] __sys_sendmsg+0xcd/0x170 [ 3361.130764][ T10] do_syscall_64+0xc6/0x1e0 [ 3361.130764][ T10] [ 3361.132744][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3361.132744][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3361.132744][ T10] ipv6_find_idev+0x102/0x170 [ 3361.132744][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3361.132744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.132744][ T10] netlink_rcv_skb+0x130/0x360 [ 3361.132744][ T10] netlink_unicast+0x449/0x710 [ 3361.132744][ T10] netlink_sendmsg+0x723/0xbe0 [ 3361.132744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3361.132744][ T10] ___sys_sendmsg+0xee/0x170 [ 3361.132744][ T10] __sys_sendmsg+0xcd/0x170 [ 3361.132744][ T10] do_syscall_64+0xc6/0x1e0 [ 3361.132744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.132744][ T10] [ 3361.134286][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3361.134286][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3361.134286][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3361.134286][ T10] ipv6_find_idev+0x102/0x170 [ 3361.134286][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3361.134286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.134286][ T10] netlink_rcv_skb+0x130/0x360 [ 3361.134286][ T10] netlink_unicast+0x449/0x710 [ 3361.134286][ T10] netlink_sendmsg+0x723/0xbe0 [ 3361.134286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3361.134286][ T10] ___sys_sendmsg+0xee/0x170 [ 3361.134286][ T10] __sys_sendmsg+0xcd/0x170 [ 3361.134286][ T10] do_syscall_64+0xc6/0x1e0 [ 3361.134286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.134286][ T10] [ 3361.135972][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3361.136233][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3361.136233][ T10] netdev_get_by_index+0x5e/0x80 [ 3361.136233][ T10] fib6_nh_init+0x3d8/0x1580 [ 3361.136233][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3361.136233][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3361.136233][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3361.136233][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3361.136233][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3361.136233][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3361.136233][ T10] addrconf_dad_begin+0x310/0x670 [ 3361.136233][ T10] addrconf_dad_work+0x10b/0xab0 [ 3361.136233][ T10] process_one_work+0x84d/0x18a0 [ 3361.136233][ T10] worker_thread+0x587/0xd30 [ 3361.136233][ T10] kthread+0x28a/0x350 [ 3361.136233][ T10] ret_from_fork+0x31/0x70 [ 3361.136233][ T10] ret_from_fork_asm+0x1a/0x30 [ 3361.136233][ T10] [ 3361.138132][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3361.138132][ T10] netdev_get_by_index+0x5e/0x80 [ 3361.138132][ T10] fib6_nh_init+0x3d8/0x1580 [ 3361.138132][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3361.138132][ T10] ip6_route_add+0x1c/0x140 [ 3361.138132][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3361.138132][ T10] inet6_addr_add+0x4f8/0xa40 [ 3361.138132][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3361.138132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.138132][ T10] netlink_rcv_skb+0x130/0x360 [ 3361.138132][ T10] netlink_unicast+0x449/0x710 [ 3361.138132][ T10] netlink_sendmsg+0x723/0xbe0 [ 3361.138132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3361.138132][ T10] ___sys_sendmsg+0xee/0x170 [ 3361.138132][ T10] __sys_sendmsg+0xcd/0x170 [ 3361.138132][ T10] do_syscall_64+0xc6/0x1e0 [ 3361.138132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.138132][ T10] [ 3361.140314][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3361.140314][ T10] netdev_get_by_index+0x5e/0x80 [ 3361.140314][ T10] fib6_nh_init+0x3d8/0x1580 [ 3361.140314][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3361.140314][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3361.140314][ T10] ipv6_add_addr+0x411/0x2000 [ 3361.140314][ T10] inet6_addr_add+0x30e/0xa40 [ 3361.140314][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3361.140314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.140314][ T10] netlink_rcv_skb+0x130/0x360 [ 3361.140314][ T10] netlink_unicast+0x449/0x710 [ 3361.140314][ T10] netlink_sendmsg+0x723/0xbe0 [ 3361.140314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3361.140314][ T10] ___sys_sendmsg+0xee/0x170 [ 3361.140314][ T10] __sys_sendmsg+0xcd/0x170 [ 3361.140314][ T10] do_syscall_64+0xc6/0x1e0 [ 3361.140314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.140314][ T10] [ 3361.142559][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3361.142559][ T10] netdev_get_by_index+0x5e/0x80 [ 3361.142559][ T10] fib6_nh_init+0x3d8/0x1580 [ 3361.142559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3361.142559][ T10] ip6_route_add+0x1c/0x140 [ 3361.142559][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3361.142559][ T10] addrconf_add_dev+0xe2/0x170 [ 3361.142559][ T10] inet6_addr_add+0x12f/0xa40 [ 3361.142559][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3361.142559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.142559][ T10] netlink_rcv_skb+0x130/0x360 [ 3361.142559][ T10] netlink_unicast+0x449/0x710 [ 3361.142559][ T10] netlink_sendmsg+0x723/0xbe0 [ 3361.142559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3361.142559][ T10] ___sys_sendmsg+0xee/0x170 [ 3361.142559][ T10] __sys_sendmsg+0xcd/0x170 [ 3361.142559][ T10] do_syscall_64+0xc6/0x1e0 [ 3361.142559][ T10] [ 3361.144647][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3361.144647][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3361.144647][ T10] ipv6_find_idev+0x102/0x170 [ 3361.144647][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3361.144647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.144647][ T10] netlink_rcv_skb+0x130/0x360 [ 3361.144647][ T10] netlink_unicast+0x449/0x710 [ 3361.144647][ T10] netlink_sendmsg+0x723/0xbe0 [ 3361.144647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3361.144647][ T10] ___sys_sendmsg+0xee/0x170 [ 3361.144647][ T10] __sys_sendmsg+0xcd/0x170 [ 3361.144647][ T10] do_syscall_64+0xc6/0x1e0 [ 3361.144647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.144647][ T10] [ 3361.146383][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3361.146383][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3361.146383][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3361.146383][ T10] ipv6_find_idev+0x102/0x170 [ 3361.146383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3361.146383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.146383][ T10] netlink_rcv_skb+0x130/0x360 [ 3361.146383][ T10] netlink_unicast+0x449/0x710 [ 3361.146383][ T10] netlink_sendmsg+0x723/0xbe0 [ 3361.146383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3361.146383][ T10] ___sys_sendmsg+0xee/0x170 [ 3361.146383][ T10] __sys_sendmsg+0xcd/0x170 [ 3361.146383][ T10] do_syscall_64+0xc6/0x1e0 [ 3361.146383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.146383][ T10] [ 3361.148265][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3361.148499][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3361.148499][ T10] netdev_get_by_index+0x5e/0x80 [ 3361.148499][ T10] fib6_nh_init+0x3d8/0x1580 [ 3361.148499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3361.148499][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3361.148499][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3361.148499][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3361.148499][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3361.148499][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3361.148499][ T10] addrconf_dad_begin+0x310/0x670 [ 3361.148499][ T10] addrconf_dad_work+0x10b/0xab0 [ 3361.148499][ T10] process_one_work+0x84d/0x18a0 [ 3361.148499][ T10] worker_thread+0x587/0xd30 [ 3361.148499][ T10] kthread+0x28a/0x350 [ 3361.148499][ T10] ret_from_fork+0x31/0x70 [ 3361.148499][ T10] ret_from_fork_asm+0x1a/0x30 [ 3361.148499][ T10] [ 3361.150831][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3361.150831][ T10] netdev_get_by_index+0x5e/0x80 [ 3361.150831][ T10] fib6_nh_init+0x3d8/0x1580 [ 3361.150831][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3361.150831][ T10] ip6_route_add+0x1c/0x140 [ 3361.150831][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3361.150831][ T10] inet6_addr_add+0x4f8/0xa40 [ 3361.150831][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3361.150831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.150831][ T10] netlink_rcv_skb+0x130/0x360 [ 3361.150831][ T10] netlink_unicast+0x449/0x710 [ 3361.150831][ T10] netlink_sendmsg+0x723/0xbe0 [ 3361.150831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3361.150831][ T10] ___sys_sendmsg+0xee/0x170 [ 3361.150831][ T10] __sys_sendmsg+0xcd/0x170 [ 3361.150831][ T10] do_syscall_64+0xc6/0x1e0 [ 3361.150831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.150831][ T10] [ 3361.153086][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3361.153086][ T10] netdev_get_by_index+0x5e/0x80 [ 3361.153086][ T10] fib6_nh_init+0x3d8/0x1580 [ 3361.153086][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3361.153086][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3361.153086][ T10] ipv6_add_addr+0x411/0x2000 [ 3361.153086][ T10] inet6_addr_add+0x30e/0xa40 [ 3361.153086][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3361.153086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.153086][ T10] netlink_rcv_skb+0x130/0x360 [ 3361.153086][ T10] netlink_unicast+0x449/0x710 [ 3361.153086][ T10] netlink_sendmsg+0x723/0xbe0 [ 3361.153086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3361.153086][ T10] ___sys_sendmsg+0xee/0x170 [ 3361.153086][ T10] __sys_sendmsg+0xcd/0x170 [ 3361.153086][ T10] do_syscall_64+0xc6/0x1e0 [ 3361.153086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.153086][ T10] [ 3361.155768][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3361.155768][ T10] netdev_get_by_index+0x5e/0x80 [ 3361.155768][ T10] fib6_nh_init+0x3d8/0x1580 [ 3361.155768][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3361.155768][ T10] ip6_route_add+0x1c/0x140 [ 3361.155768][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3361.155768][ T10] addrconf_add_dev+0xe2/0x170 [ 3361.155768][ T10] inet6_addr_add+0x12f/0xa40 [ 3361.155768][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3361.155768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.155768][ T10] netlink_rcv_skb+0x130/0x360 [ 3361.155768][ T10] netlink_unicast+0x449/0x710 [ 3361.155768][ T10] netlink_sendmsg+0x723/0xbe0 [ 3361.155768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3361.155768][ T10] ___sys_sendmsg+0xee/0x170 [ 3361.155768][ T10] __sys_sendmsg+0xcd/0x170 [ 3361.155768][ T10] do_syscall_64+0xc6/0x1e0 [ 3361.155768][ T10] [ 3361.161871][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3361.161871][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3361.161871][ T10] ipv6_find_idev+0x102/0x170 [ 3361.161871][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3361.161871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.161871][ T10] netlink_rcv_skb+0x130/0x360 [ 3361.161871][ T10] netlink_unicast+0x449/0x710 [ 3361.161871][ T10] netlink_sendmsg+0x723/0xbe0 [ 3361.161871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3361.161871][ T10] ___sys_sendmsg+0xee/0x170 [ 3361.161871][ T10] __sys_sendmsg+0xcd/0x170 [ 3361.161871][ T10] do_syscall_64+0xc6/0x1e0 [ 3361.161871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.161871][ T10] [ 3361.164553][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3361.164553][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3361.164553][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3361.164553][ T10] ipv6_find_idev+0x102/0x170 [ 3361.164553][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3361.164553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.164553][ T10] netlink_rcv_skb+0x130/0x360 [ 3361.164553][ T10] netlink_unicast+0x449/0x710 [ 3361.164553][ T10] netlink_sendmsg+0x723/0xbe0 [ 3361.164553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3361.164553][ T10] ___sys_sendmsg+0xee/0x170 [ 3361.164553][ T10] __sys_sendmsg+0xcd/0x170 [ 3361.164553][ T10] do_syscall_64+0xc6/0x1e0 [ 3361.164553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.164553][ T10] [ 3361.433073][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3361.433569][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3361.433569][ T1167] dst_init+0x84/0x4a0 [ 3361.433569][ T1167] dst_alloc+0x97/0x150 [ 3361.433569][ T1167] ip6_dst_alloc+0x23/0x90 [ 3361.433569][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3361.433569][ T1167] ip6_pol_route+0x56f/0x840 [ 3361.433569][ T1167] fib6_rule_lookup+0x334/0x630 [ 3361.433569][ T1167] ip6_route_output_flags+0x259/0x480 [ 3361.433569][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3361.433569][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3361.433569][ T1167] netlink_rcv_skb+0x130/0x360 [ 3361.433569][ T1167] netlink_unicast+0x449/0x710 [ 3361.433569][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3361.433569][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3361.433569][ T1167] ___sys_sendmsg+0xee/0x170 [ 3361.433569][ T1167] __sys_sendmsg+0xcd/0x170 [ 3361.433569][ T1167] do_syscall_64+0xc6/0x1e0 [ 3361.433569][ T1167] [ 3361.435848][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3361.435848][ T1167] netdev_get_by_index+0x5e/0x80 [ 3361.435848][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3361.435848][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3361.435848][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3361.435848][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3361.435848][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3361.435848][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3361.435848][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3361.435848][ T1167] addrconf_dad_begin+0x310/0x670 [ 3361.435848][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3361.435848][ T1167] process_one_work+0x84d/0x18a0 [ 3361.435848][ T1167] worker_thread+0x587/0xd30 [ 3361.435848][ T1167] kthread+0x28a/0x350 [ 3361.435848][ T1167] ret_from_fork+0x31/0x70 [ 3361.435848][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3361.435848][ T1167] [ 3361.438010][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3361.438010][ T1167] netdev_get_by_index+0x5e/0x80 [ 3361.438010][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3361.438010][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3361.438010][ T1167] ip6_route_add+0x1c/0x140 [ 3361.438010][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3361.438010][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3361.438010][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3361.438010][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.438010][ T1167] netlink_rcv_skb+0x130/0x360 [ 3361.438010][ T1167] netlink_unicast+0x449/0x710 [ 3361.438010][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3361.438010][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3361.438010][ T1167] ___sys_sendmsg+0xee/0x170 [ 3361.438010][ T1167] __sys_sendmsg+0xcd/0x170 [ 3361.438010][ T1167] do_syscall_64+0xc6/0x1e0 [ 3361.438010][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.438010][ T1167] [ 3361.440306][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3361.440306][ T1167] netdev_get_by_index+0x5e/0x80 [ 3361.440306][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3361.440306][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3361.440306][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3361.440306][ T1167] ipv6_add_addr+0x411/0x2000 [ 3361.440306][ T1167] inet6_addr_add+0x30e/0xa40 [ 3361.440306][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3361.440306][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.440306][ T1167] netlink_rcv_skb+0x130/0x360 [ 3361.440306][ T1167] netlink_unicast+0x449/0x710 [ 3361.440306][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3361.440306][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3361.440306][ T1167] ___sys_sendmsg+0xee/0x170 [ 3361.440306][ T1167] __sys_sendmsg+0xcd/0x170 [ 3361.440306][ T1167] do_syscall_64+0xc6/0x1e0 [ 3361.440306][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.440306][ T1167] [ 3361.442597][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3361.442597][ T1167] netdev_get_by_index+0x5e/0x80 [ 3361.442597][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3361.442597][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3361.442597][ T1167] ip6_route_add+0x1c/0x140 [ 3361.442597][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3361.442597][ T1167] addrconf_add_dev+0xe2/0x170 [ 3361.442597][ T1167] inet6_addr_add+0x12f/0xa40 [ 3361.442597][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3361.442597][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.442597][ T1167] netlink_rcv_skb+0x130/0x360 [ 3361.442597][ T1167] netlink_unicast+0x449/0x710 [ 3361.442597][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3361.442597][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3361.442597][ T1167] ___sys_sendmsg+0xee/0x170 [ 3361.442597][ T1167] __sys_sendmsg+0xcd/0x170 [ 3361.442597][ T1167] do_syscall_64+0xc6/0x1e0 [ 3361.442597][ T1167] [ 3361.445218][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3361.445218][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3361.445218][ T1167] ipv6_find_idev+0x102/0x170 [ 3361.445218][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3361.445218][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.445218][ T1167] netlink_rcv_skb+0x130/0x360 [ 3361.445218][ T1167] netlink_unicast+0x449/0x710 [ 3361.445218][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3361.445218][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3361.445218][ T1167] ___sys_sendmsg+0xee/0x170 [ 3361.445218][ T1167] __sys_sendmsg+0xcd/0x170 [ 3361.445218][ T1167] do_syscall_64+0xc6/0x1e0 [ 3361.445218][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.445218][ T1167] [ 3361.446988][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3361.446988][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3361.446988][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3361.446988][ T1167] ipv6_find_idev+0x102/0x170 [ 3361.446988][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3361.446988][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.446988][ T1167] netlink_rcv_skb+0x130/0x360 [ 3361.446988][ T1167] netlink_unicast+0x449/0x710 [ 3361.446988][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3361.446988][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3361.446988][ T1167] ___sys_sendmsg+0xee/0x170 [ 3361.446988][ T1167] __sys_sendmsg+0xcd/0x170 [ 3361.446988][ T1167] do_syscall_64+0xc6/0x1e0 [ 3361.446988][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.446988][ T1167] [ 3371.409047][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3371.409394][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3371.409394][ T10] netdev_get_by_index+0x5e/0x80 [ 3371.409394][ T10] fib6_nh_init+0x3d8/0x1580 [ 3371.409394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3371.409394][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3371.409394][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3371.409394][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3371.409394][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3371.409394][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3371.409394][ T10] addrconf_dad_begin+0x310/0x670 [ 3371.409394][ T10] addrconf_dad_work+0x10b/0xab0 [ 3371.409394][ T10] process_one_work+0x84d/0x18a0 [ 3371.409394][ T10] worker_thread+0x587/0xd30 [ 3371.409394][ T10] kthread+0x28a/0x350 [ 3371.409394][ T10] ret_from_fork+0x31/0x70 [ 3371.409394][ T10] ret_from_fork_asm+0x1a/0x30 [ 3371.409394][ T10] [ 3371.411331][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3371.411331][ T10] netdev_get_by_index+0x5e/0x80 [ 3371.411331][ T10] fib6_nh_init+0x3d8/0x1580 [ 3371.411331][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3371.411331][ T10] ip6_route_add+0x1c/0x140 [ 3371.411331][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3371.411331][ T10] inet6_addr_add+0x4f8/0xa40 [ 3371.411331][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3371.411331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3371.411331][ T10] netlink_rcv_skb+0x130/0x360 [ 3371.411331][ T10] netlink_unicast+0x449/0x710 [ 3371.411331][ T10] netlink_sendmsg+0x723/0xbe0 [ 3371.411331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3371.411331][ T10] ___sys_sendmsg+0xee/0x170 [ 3371.411331][ T10] __sys_sendmsg+0xcd/0x170 [ 3371.411331][ T10] do_syscall_64+0xc6/0x1e0 [ 3371.411331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3371.411331][ T10] [ 3371.413345][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3371.413345][ T10] netdev_get_by_index+0x5e/0x80 [ 3371.413345][ T10] fib6_nh_init+0x3d8/0x1580 [ 3371.413345][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3371.413345][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3371.413345][ T10] ipv6_add_addr+0x411/0x2000 [ 3371.413345][ T10] inet6_addr_add+0x30e/0xa40 [ 3371.413345][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3371.413345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3371.413345][ T10] netlink_rcv_skb+0x130/0x360 [ 3371.413345][ T10] netlink_unicast+0x449/0x710 [ 3371.413345][ T10] netlink_sendmsg+0x723/0xbe0 [ 3371.413345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3371.413345][ T10] ___sys_sendmsg+0xee/0x170 [ 3371.413345][ T10] __sys_sendmsg+0xcd/0x170 [ 3371.413345][ T10] do_syscall_64+0xc6/0x1e0 [ 3371.413345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3371.413345][ T10] [ 3371.415446][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3371.415446][ T10] netdev_get_by_index+0x5e/0x80 [ 3371.415446][ T10] fib6_nh_init+0x3d8/0x1580 [ 3371.415446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3371.415446][ T10] ip6_route_add+0x1c/0x140 [ 3371.415446][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3371.415446][ T10] addrconf_add_dev+0xe2/0x170 [ 3371.415446][ T10] inet6_addr_add+0x12f/0xa40 [ 3371.415446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3371.415446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3371.415446][ T10] netlink_rcv_skb+0x130/0x360 [ 3371.415446][ T10] netlink_unicast+0x449/0x710 [ 3371.415446][ T10] netlink_sendmsg+0x723/0xbe0 [ 3371.415446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3371.415446][ T10] ___sys_sendmsg+0xee/0x170 [ 3371.415446][ T10] __sys_sendmsg+0xcd/0x170 [ 3371.415446][ T10] do_syscall_64+0xc6/0x1e0 [ 3371.415446][ T10] [ 3371.417399][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3371.417399][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3371.417399][ T10] ipv6_find_idev+0x102/0x170 [ 3371.417399][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3371.417399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3371.417399][ T10] netlink_rcv_skb+0x130/0x360 [ 3371.417399][ T10] netlink_unicast+0x449/0x710 [ 3371.417399][ T10] netlink_sendmsg+0x723/0xbe0 [ 3371.417399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3371.417399][ T10] ___sys_sendmsg+0xee/0x170 [ 3371.417399][ T10] __sys_sendmsg+0xcd/0x170 [ 3371.417399][ T10] do_syscall_64+0xc6/0x1e0 [ 3371.417399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3371.417399][ T10] [ 3371.418926][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3371.418926][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3371.418926][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3371.418926][ T10] ipv6_find_idev+0x102/0x170 [ 3371.418926][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3371.418926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3371.418926][ T10] netlink_rcv_skb+0x130/0x360 [ 3371.418926][ T10] netlink_unicast+0x449/0x710 [ 3371.418926][ T10] netlink_sendmsg+0x723/0xbe0 [ 3371.418926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3371.418926][ T10] ___sys_sendmsg+0xee/0x170 [ 3371.418926][ T10] __sys_sendmsg+0xcd/0x170 [ 3371.418926][ T10] do_syscall_64+0xc6/0x1e0 [ 3371.418926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3371.418926][ T10] [ 3371.420600][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3371.420837][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3371.420837][ T10] netdev_get_by_index+0x5e/0x80 [ 3371.420837][ T10] fib6_nh_init+0x3d8/0x1580 [ 3371.420837][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3371.420837][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3371.420837][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3371.420837][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3371.420837][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3371.420837][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3371.420837][ T10] addrconf_dad_begin+0x310/0x670 [ 3371.420837][ T10] addrconf_dad_work+0x10b/0xab0 [ 3371.420837][ T10] process_one_work+0x84d/0x18a0 [ 3371.420837][ T10] worker_thread+0x587/0xd30 [ 3371.420837][ T10] kthread+0x28a/0x350 [ 3371.420837][ T10] ret_from_fork+0x31/0x70 [ 3371.420837][ T10] ret_from_fork_asm+0x1a/0x30 [ 3371.420837][ T10] [ 3371.422764][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3371.422764][ T10] netdev_get_by_index+0x5e/0x80 [ 3371.422764][ T10] fib6_nh_init+0x3d8/0x1580 [ 3371.422764][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3371.422764][ T10] ip6_route_add+0x1c/0x140 [ 3371.422764][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3371.422764][ T10] inet6_addr_add+0x4f8/0xa40 [ 3371.422764][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3371.422764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3371.422764][ T10] netlink_rcv_skb+0x130/0x360 [ 3371.422764][ T10] netlink_unicast+0x449/0x710 [ 3371.422764][ T10] netlink_sendmsg+0x723/0xbe0 [ 3371.422764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3371.422764][ T10] ___sys_sendmsg+0xee/0x170 [ 3371.422764][ T10] __sys_sendmsg+0xcd/0x170 [ 3371.422764][ T10] do_syscall_64+0xc6/0x1e0 [ 3371.422764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3371.422764][ T10] [ 3371.424746][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3371.424746][ T10] netdev_get_by_index+0x5e/0x80 [ 3371.424746][ T10] fib6_nh_init+0x3d8/0x1580 [ 3371.424746][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3371.424746][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3371.424746][ T10] ipv6_add_addr+0x411/0x2000 [ 3371.424746][ T10] inet6_addr_add+0x30e/0xa40 [ 3371.424746][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3371.424746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3371.424746][ T10] netlink_rcv_skb+0x130/0x360 [ 3371.424746][ T10] netlink_unicast+0x449/0x710 [ 3371.424746][ T10] netlink_sendmsg+0x723/0xbe0 [ 3371.424746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3371.424746][ T10] ___sys_sendmsg+0xee/0x170 [ 3371.424746][ T10] __sys_sendmsg+0xcd/0x170 [ 3371.424746][ T10] do_syscall_64+0xc6/0x1e0 [ 3371.424746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3371.424746][ T10] [ 3371.426729][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3371.426729][ T10] netdev_get_by_index+0x5e/0x80 [ 3371.426729][ T10] fib6_nh_init+0x3d8/0x1580 [ 3371.426729][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3371.426729][ T10] ip6_route_add+0x1c/0x140 [ 3371.426729][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3371.426729][ T10] addrconf_add_dev+0xe2/0x170 [ 3371.426729][ T10] inet6_addr_add+0x12f/0xa40 [ 3371.426729][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3371.426729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3371.426729][ T10] netlink_rcv_skb+0x130/0x360 [ 3371.426729][ T10] netlink_unicast+0x449/0x710 [ 3371.426729][ T10] netlink_sendmsg+0x723/0xbe0 [ 3371.426729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3371.426729][ T10] ___sys_sendmsg+0xee/0x170 [ 3371.426729][ T10] __sys_sendmsg+0xcd/0x170 [ 3371.426729][ T10] do_syscall_64+0xc6/0x1e0 [ 3371.426729][ T10] [ 3371.428676][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3371.428676][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3371.428676][ T10] ipv6_find_idev+0x102/0x170 [ 3371.428676][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3371.428676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3371.428676][ T10] netlink_rcv_skb+0x130/0x360 [ 3371.428676][ T10] netlink_unicast+0x449/0x710 [ 3371.428676][ T10] netlink_sendmsg+0x723/0xbe0 [ 3371.428676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3371.428676][ T10] ___sys_sendmsg+0xee/0x170 [ 3371.428676][ T10] __sys_sendmsg+0xcd/0x170 [ 3371.428676][ T10] do_syscall_64+0xc6/0x1e0 [ 3371.428676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3371.428676][ T10] [ 3371.430209][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3371.430209][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3371.430209][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3371.430209][ T10] ipv6_find_idev+0x102/0x170 [ 3371.430209][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3371.430209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3371.430209][ T10] netlink_rcv_skb+0x130/0x360 [ 3371.430209][ T10] netlink_unicast+0x449/0x710 [ 3371.430209][ T10] netlink_sendmsg+0x723/0xbe0 [ 3371.430209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3371.430209][ T10] ___sys_sendmsg+0xee/0x170 [ 3371.430209][ T10] __sys_sendmsg+0xcd/0x170 [ 3371.430209][ T10] do_syscall_64+0xc6/0x1e0 [ 3371.430209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3371.430209][ T10] [ 3371.431885][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3371.432140][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3371.432140][ T10] netdev_get_by_index+0x5e/0x80 [ 3371.432140][ T10] fib6_nh_init+0x3d8/0x1580 [ 3371.432140][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3371.432140][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3371.432140][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3371.432140][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3371.432140][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3371.432140][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3371.432140][ T10] addrconf_dad_begin+0x310/0x670 [ 3371.432140][ T10] addrconf_dad_work+0x10b/0xab0 [ 3371.432140][ T10] process_one_work+0x84d/0x18a0 [ 3371.432140][ T10] worker_thread+0x587/0xd30 [ 3371.432140][ T10] kthread+0x28a/0x350 [ 3371.432140][ T10] ret_from_fork+0x31/0x70 [ 3371.432140][ T10] ret_from_fork_asm+0x1a/0x30 [ 3371.432140][ T10] [ 3371.434042][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3371.434042][ T10] netdev_get_by_index+0x5e/0x80 [ 3371.434042][ T10] fib6_nh_init+0x3d8/0x1580 [ 3371.434042][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3371.434042][ T10] ip6_route_add+0x1c/0x140 [ 3371.434042][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3371.434042][ T10] inet6_addr_add+0x4f8/0xa40 [ 3371.434042][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3371.434042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3371.434042][ T10] netlink_rcv_skb+0x130/0x360 [ 3371.434042][ T10] netlink_unicast+0x449/0x710 [ 3371.434042][ T10] netlink_sendmsg+0x723/0xbe0 [ 3371.434042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3371.434042][ T10] ___sys_sendmsg+0xee/0x170 [ 3371.434042][ T10] __sys_sendmsg+0xcd/0x170 [ 3371.434042][ T10] do_syscall_64+0xc6/0x1e0 [ 3371.434042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3371.434042][ T10] [ 3371.436175][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3371.436175][ T10] netdev_get_by_index+0x5e/0x80 [ 3371.436175][ T10] fib6_nh_init+0x3d8/0x1580 [ 3371.436175][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3371.436175][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3371.436175][ T10] ipv6_add_addr+0x411/0x2000 [ 3371.436175][ T10] inet6_addr_add+0x30e/0xa40 [ 3371.436175][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3371.436175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3371.436175][ T10] netlink_rcv_skb+0x130/0x360 [ 3371.436175][ T10] netlink_unicast+0x449/0x710 [ 3371.436175][ T10] netlink_sendmsg+0x723/0xbe0 [ 3371.436175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3371.436175][ T10] ___sys_sendmsg+0xee/0x170 [ 3371.436175][ T10] __sys_sendmsg+0xcd/0x170 [ 3371.436175][ T10] do_syscall_64+0xc6/0x1e0 [ 3371.436175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3371.436175][ T10] [ 3371.438314][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3371.438314][ T10] netdev_get_by_index+0x5e/0x80 [ 3371.438314][ T10] fib6_nh_init+0x3d8/0x1580 [ 3371.438314][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3371.438314][ T10] ip6_route_add+0x1c/0x140 [ 3371.438314][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3371.438314][ T10] addrconf_add_dev+0xe2/0x170 [ 3371.438314][ T10] inet6_addr_add+0x12f/0xa40 [ 3371.438314][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3371.438314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3371.438314][ T10] netlink_rcv_skb+0x130/0x360 [ 3371.438314][ T10] netlink_unicast+0x449/0x710 [ 3371.438314][ T10] netlink_sendmsg+0x723/0xbe0 [ 3371.438314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3371.438314][ T10] ___sys_sendmsg+0xee/0x170 [ 3371.438314][ T10] __sys_sendmsg+0xcd/0x170 [ 3371.438314][ T10] do_syscall_64+0xc6/0x1e0 [ 3371.438314][ T10] [ 3371.440429][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3371.440429][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3371.440429][ T10] ipv6_find_idev+0x102/0x170 [ 3371.440429][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3371.440429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3371.440429][ T10] netlink_rcv_skb+0x130/0x360 [ 3371.440429][ T10] netlink_unicast+0x449/0x710 [ 3371.440429][ T10] netlink_sendmsg+0x723/0xbe0 [ 3371.440429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3371.440429][ T10] ___sys_sendmsg+0xee/0x170 [ 3371.440429][ T10] __sys_sendmsg+0xcd/0x170 [ 3371.440429][ T10] do_syscall_64+0xc6/0x1e0 [ 3371.440429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3371.440429][ T10] [ 3371.442135][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3371.442135][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3371.442135][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3371.442135][ T10] ipv6_find_idev+0x102/0x170 [ 3371.442135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3371.442135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3371.442135][ T10] netlink_rcv_skb+0x130/0x360 [ 3371.442135][ T10] netlink_unicast+0x449/0x710 [ 3371.442135][ T10] netlink_sendmsg+0x723/0xbe0 [ 3371.442135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3371.442135][ T10] ___sys_sendmsg+0xee/0x170 [ 3371.442135][ T10] __sys_sendmsg+0xcd/0x170 [ 3371.442135][ T10] do_syscall_64+0xc6/0x1e0 [ 3371.442135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3371.442135][ T10] [ 3371.443892][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3371.444568][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3371.444568][ T10] netdev_get_by_index+0x5e/0x80 [ 3371.444568][ T10] fib6_nh_init+0x3d8/0x1580 [ 3371.444568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3371.444568][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3371.444568][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3371.444568][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3371.444568][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3371.444568][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3371.444568][ T10] addrconf_dad_begin+0x310/0x670 [ 3371.444568][ T10] addrconf_dad_work+0x10b/0xab0 [ 3371.444568][ T10] process_one_work+0x84d/0x18a0 [ 3371.444568][ T10] worker_thread+0x587/0xd30 [ 3371.444568][ T10] kthread+0x28a/0x350 [ 3371.444568][ T10] ret_from_fork+0x31/0x70 [ 3371.444568][ T10] ret_from_fork_asm+0x1a/0x30 [ 3371.444568][ T10] [ 3371.446489][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3371.446489][ T10] netdev_get_by_index+0x5e/0x80 [ 3371.446489][ T10] fib6_nh_init+0x3d8/0x1580 [ 3371.446489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3371.446489][ T10] ip6_route_add+0x1c/0x140 [ 3371.446489][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3371.446489][ T10] inet6_addr_add+0x4f8/0xa40 [ 3371.446489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3371.446489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3371.446489][ T10] netlink_rcv_skb+0x130/0x360 [ 3371.446489][ T10] netlink_unicast+0x449/0x710 [ 3371.446489][ T10] netlink_sendmsg+0x723/0xbe0 [ 3371.446489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3371.446489][ T10] ___sys_sendmsg+0xee/0x170 [ 3371.446489][ T10] __sys_sendmsg+0xcd/0x170 [ 3371.446489][ T10] do_syscall_64+0xc6/0x1e0 [ 3371.446489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3371.446489][ T10] [ 3371.448556][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3371.448556][ T10] netdev_get_by_index+0x5e/0x80 [ 3371.448556][ T10] fib6_nh_init+0x3d8/0x1580 [ 3371.448556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3371.448556][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3371.448556][ T10] ipv6_add_addr+0x411/0x2000 [ 3371.448556][ T10] inet6_addr_add+0x30e/0xa40 [ 3371.448556][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3371.448556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3371.448556][ T10] netlink_rcv_skb+0x130/0x360 [ 3371.448556][ T10] netlink_unicast+0x449/0x710 [ 3371.448556][ T10] netlink_sendmsg+0x723/0xbe0 [ 3371.448556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3371.448556][ T10] ___sys_sendmsg+0xee/0x170 [ 3371.448556][ T10] __sys_sendmsg+0xcd/0x170 [ 3371.448556][ T10] do_syscall_64+0xc6/0x1e0 [ 3371.448556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3371.448556][ T10] [ 3371.450760][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3371.450760][ T10] netdev_get_by_index+0x5e/0x80 [ 3371.450760][ T10] fib6_nh_init+0x3d8/0x1580 [ 3371.450760][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3371.450760][ T10] ip6_route_add+0x1c/0x140 [ 3371.450760][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3371.450760][ T10] addrconf_add_dev+0xe2/0x170 [ 3371.450760][ T10] inet6_addr_add+0x12f/0xa40 [ 3371.450760][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3371.450760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3371.450760][ T10] netlink_rcv_skb+0x130/0x360 [ 3371.450760][ T10] netlink_unicast+0x449/0x710 [ 3371.450760][ T10] netlink_sendmsg+0x723/0xbe0 [ 3371.450760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3371.450760][ T10] ___sys_sendmsg+0xee/0x170 [ 3371.450760][ T10] __sys_sendmsg+0xcd/0x170 [ 3371.450760][ T10] do_syscall_64+0xc6/0x1e0 [ 3371.450760][ T10] [ 3371.452868][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3371.452868][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3371.452868][ T10] ipv6_find_idev+0x102/0x170 [ 3371.452868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3371.452868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3371.452868][ T10] netlink_rcv_skb+0x130/0x360 [ 3371.452868][ T10] netlink_unicast+0x449/0x710 [ 3371.452868][ T10] netlink_sendmsg+0x723/0xbe0 [ 3371.452868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3371.452868][ T10] ___sys_sendmsg+0xee/0x170 [ 3371.452868][ T10] __sys_sendmsg+0xcd/0x170 [ 3371.452868][ T10] do_syscall_64+0xc6/0x1e0 [ 3371.452868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3371.452868][ T10] [ 3371.454477][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3371.454477][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3371.454477][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3371.454477][ T10] ipv6_find_idev+0x102/0x170 [ 3371.454477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3371.454477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3371.454477][ T10] netlink_rcv_skb+0x130/0x360 [ 3371.454477][ T10] netlink_unicast+0x449/0x710 [ 3371.454477][ T10] netlink_sendmsg+0x723/0xbe0 [ 3371.454477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3371.454477][ T10] ___sys_sendmsg+0xee/0x170 [ 3371.454477][ T10] __sys_sendmsg+0xcd/0x170 [ 3371.454477][ T10] do_syscall_64+0xc6/0x1e0 [ 3371.454477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3371.454477][ T10] [ 3371.721149][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3371.721790][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3371.721790][ T1167] dst_init+0x84/0x4a0 [ 3371.721790][ T1167] dst_alloc+0x97/0x150 [ 3371.721790][ T1167] ip6_dst_alloc+0x23/0x90 [ 3371.721790][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3371.721790][ T1167] ip6_pol_route+0x56f/0x840 [ 3371.721790][ T1167] fib6_rule_lookup+0x334/0x630 [ 3371.721790][ T1167] ip6_route_output_flags+0x259/0x480 [ 3371.721790][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3371.721790][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3371.721790][ T1167] netlink_rcv_skb+0x130/0x360 [ 3371.721790][ T1167] netlink_unicast+0x449/0x710 [ 3371.721790][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3371.721790][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3371.721790][ T1167] ___sys_sendmsg+0xee/0x170 [ 3371.721790][ T1167] __sys_sendmsg+0xcd/0x170 [ 3371.721790][ T1167] do_syscall_64+0xc6/0x1e0 [ 3371.721790][ T1167] [ 3371.725249][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3371.725249][ T1167] netdev_get_by_index+0x5e/0x80 [ 3371.725249][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3371.725249][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3371.725249][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3371.725249][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3371.725249][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3371.725249][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3371.725249][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3371.725249][ T1167] addrconf_dad_begin+0x310/0x670 [ 3371.725249][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3371.725249][ T1167] process_one_work+0x84d/0x18a0 [ 3371.725249][ T1167] worker_thread+0x587/0xd30 [ 3371.725249][ T1167] kthread+0x28a/0x350 [ 3371.725249][ T1167] ret_from_fork+0x31/0x70 [ 3371.725249][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3371.725249][ T1167] [ 3371.727773][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3371.727773][ T1167] netdev_get_by_index+0x5e/0x80 [ 3371.727773][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3371.727773][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3371.727773][ T1167] ip6_route_add+0x1c/0x140 [ 3371.727773][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3371.727773][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3371.727773][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3371.727773][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3371.727773][ T1167] netlink_rcv_skb+0x130/0x360 [ 3371.727773][ T1167] netlink_unicast+0x449/0x710 [ 3371.727773][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3371.727773][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3371.727773][ T1167] ___sys_sendmsg+0xee/0x170 [ 3371.727773][ T1167] __sys_sendmsg+0xcd/0x170 [ 3371.727773][ T1167] do_syscall_64+0xc6/0x1e0 [ 3371.727773][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3371.727773][ T1167] [ 3371.730529][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3371.730529][ T1167] netdev_get_by_index+0x5e/0x80 [ 3371.730529][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3371.730529][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3371.730529][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3371.730529][ T1167] ipv6_add_addr+0x411/0x2000 [ 3371.730529][ T1167] inet6_addr_add+0x30e/0xa40 [ 3371.730529][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3371.730529][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3371.730529][ T1167] netlink_rcv_skb+0x130/0x360 [ 3371.730529][ T1167] netlink_unicast+0x449/0x710 [ 3371.730529][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3371.730529][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3371.730529][ T1167] ___sys_sendmsg+0xee/0x170 [ 3371.730529][ T1167] __sys_sendmsg+0xcd/0x170 [ 3371.730529][ T1167] do_syscall_64+0xc6/0x1e0 [ 3371.730529][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3371.730529][ T1167] [ 3371.733023][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3371.733023][ T1167] netdev_get_by_index+0x5e/0x80 [ 3371.733023][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3371.733023][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3371.733023][ T1167] ip6_route_add+0x1c/0x140 [ 3371.733023][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3371.733023][ T1167] addrconf_add_dev+0xe2/0x170 [ 3371.733023][ T1167] inet6_addr_add+0x12f/0xa40 [ 3371.733023][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3371.733023][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3371.733023][ T1167] netlink_rcv_skb+0x130/0x360 [ 3371.733023][ T1167] netlink_unicast+0x449/0x710 [ 3371.733023][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3371.733023][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3371.733023][ T1167] ___sys_sendmsg+0xee/0x170 [ 3371.733023][ T1167] __sys_sendmsg+0xcd/0x170 [ 3371.733023][ T1167] do_syscall_64+0xc6/0x1e0 [ 3371.733023][ T1167] [ 3371.735292][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3371.735292][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3371.735292][ T1167] ipv6_find_idev+0x102/0x170 [ 3371.735292][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3371.735292][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3371.735292][ T1167] netlink_rcv_skb+0x130/0x360 [ 3371.735292][ T1167] netlink_unicast+0x449/0x710 [ 3371.735292][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3371.735292][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3371.735292][ T1167] ___sys_sendmsg+0xee/0x170 [ 3371.735292][ T1167] __sys_sendmsg+0xcd/0x170 [ 3371.735292][ T1167] do_syscall_64+0xc6/0x1e0 [ 3371.735292][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3371.735292][ T1167] [ 3371.737061][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3371.737061][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3371.737061][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3371.737061][ T1167] ipv6_find_idev+0x102/0x170 [ 3371.737061][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3371.737061][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3371.737061][ T1167] netlink_rcv_skb+0x130/0x360 [ 3371.737061][ T1167] netlink_unicast+0x449/0x710 [ 3371.737061][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3371.737061][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3371.737061][ T1167] ___sys_sendmsg+0xee/0x170 [ 3371.737061][ T1167] __sys_sendmsg+0xcd/0x170 [ 3371.737061][ T1167] do_syscall_64+0xc6/0x1e0 [ 3371.737061][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3371.737061][ T1167] [ 3381.697126][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3381.697539][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3381.697539][ T10] netdev_get_by_index+0x5e/0x80 [ 3381.697539][ T10] fib6_nh_init+0x3d8/0x1580 [ 3381.697539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3381.697539][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3381.697539][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3381.697539][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3381.697539][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3381.697539][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3381.697539][ T10] addrconf_dad_begin+0x310/0x670 [ 3381.697539][ T10] addrconf_dad_work+0x10b/0xab0 [ 3381.697539][ T10] process_one_work+0x84d/0x18a0 [ 3381.697539][ T10] worker_thread+0x587/0xd30 [ 3381.697539][ T10] kthread+0x28a/0x350 [ 3381.697539][ T10] ret_from_fork+0x31/0x70 [ 3381.697539][ T10] ret_from_fork_asm+0x1a/0x30 [ 3381.697539][ T10] [ 3381.699498][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3381.699498][ T10] netdev_get_by_index+0x5e/0x80 [ 3381.699498][ T10] fib6_nh_init+0x3d8/0x1580 [ 3381.699498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3381.699498][ T10] ip6_route_add+0x1c/0x140 [ 3381.699498][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3381.699498][ T10] inet6_addr_add+0x4f8/0xa40 [ 3381.699498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3381.699498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3381.699498][ T10] netlink_rcv_skb+0x130/0x360 [ 3381.699498][ T10] netlink_unicast+0x449/0x710 [ 3381.699498][ T10] netlink_sendmsg+0x723/0xbe0 [ 3381.699498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3381.699498][ T10] ___sys_sendmsg+0xee/0x170 [ 3381.699498][ T10] __sys_sendmsg+0xcd/0x170 [ 3381.699498][ T10] do_syscall_64+0xc6/0x1e0 [ 3381.699498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3381.699498][ T10] [ 3381.701503][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3381.701503][ T10] netdev_get_by_index+0x5e/0x80 [ 3381.701503][ T10] fib6_nh_init+0x3d8/0x1580 [ 3381.701503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3381.701503][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3381.701503][ T10] ipv6_add_addr+0x411/0x2000 [ 3381.701503][ T10] inet6_addr_add+0x30e/0xa40 [ 3381.701503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3381.701503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3381.701503][ T10] netlink_rcv_skb+0x130/0x360 [ 3381.701503][ T10] netlink_unicast+0x449/0x710 [ 3381.701503][ T10] netlink_sendmsg+0x723/0xbe0 [ 3381.701503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3381.701503][ T10] ___sys_sendmsg+0xee/0x170 [ 3381.701503][ T10] __sys_sendmsg+0xcd/0x170 [ 3381.701503][ T10] do_syscall_64+0xc6/0x1e0 [ 3381.701503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3381.701503][ T10] [ 3381.703514][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3381.703514][ T10] netdev_get_by_index+0x5e/0x80 [ 3381.703514][ T10] fib6_nh_init+0x3d8/0x1580 [ 3381.703514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3381.703514][ T10] ip6_route_add+0x1c/0x140 [ 3381.703514][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3381.703514][ T10] addrconf_add_dev+0xe2/0x170 [ 3381.703514][ T10] inet6_addr_add+0x12f/0xa40 [ 3381.703514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3381.703514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3381.703514][ T10] netlink_rcv_skb+0x130/0x360 [ 3381.703514][ T10] netlink_unicast+0x449/0x710 [ 3381.703514][ T10] netlink_sendmsg+0x723/0xbe0 [ 3381.703514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3381.703514][ T10] ___sys_sendmsg+0xee/0x170 [ 3381.703514][ T10] __sys_sendmsg+0xcd/0x170 [ 3381.703514][ T10] do_syscall_64+0xc6/0x1e0 [ 3381.703514][ T10] [ 3381.705472][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3381.705472][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3381.705472][ T10] ipv6_find_idev+0x102/0x170 [ 3381.705472][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3381.705472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3381.705472][ T10] netlink_rcv_skb+0x130/0x360 [ 3381.705472][ T10] netlink_unicast+0x449/0x710 [ 3381.705472][ T10] netlink_sendmsg+0x723/0xbe0 [ 3381.705472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3381.705472][ T10] ___sys_sendmsg+0xee/0x170 [ 3381.705472][ T10] __sys_sendmsg+0xcd/0x170 [ 3381.705472][ T10] do_syscall_64+0xc6/0x1e0 [ 3381.705472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3381.705472][ T10] [ 3381.707006][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3381.707006][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3381.707006][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3381.707006][ T10] ipv6_find_idev+0x102/0x170 [ 3381.707006][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3381.707006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3381.707006][ T10] netlink_rcv_skb+0x130/0x360 [ 3381.707006][ T10] netlink_unicast+0x449/0x710 [ 3381.707006][ T10] netlink_sendmsg+0x723/0xbe0 [ 3381.707006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3381.707006][ T10] ___sys_sendmsg+0xee/0x170 [ 3381.707006][ T10] __sys_sendmsg+0xcd/0x170 [ 3381.707006][ T10] do_syscall_64+0xc6/0x1e0 [ 3381.707006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3381.707006][ T10] [ 3381.708674][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3381.708911][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3381.708911][ T10] netdev_get_by_index+0x5e/0x80 [ 3381.708911][ T10] fib6_nh_init+0x3d8/0x1580 [ 3381.708911][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3381.708911][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3381.708911][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3381.708911][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3381.708911][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3381.708911][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3381.708911][ T10] addrconf_dad_begin+0x310/0x670 [ 3381.708911][ T10] addrconf_dad_work+0x10b/0xab0 [ 3381.708911][ T10] process_one_work+0x84d/0x18a0 [ 3381.708911][ T10] worker_thread+0x587/0xd30 [ 3381.708911][ T10] kthread+0x28a/0x350 [ 3381.708911][ T10] ret_from_fork+0x31/0x70 [ 3381.708911][ T10] ret_from_fork_asm+0x1a/0x30 [ 3381.708911][ T10] [ 3381.710817][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3381.710817][ T10] netdev_get_by_index+0x5e/0x80 [ 3381.710817][ T10] fib6_nh_init+0x3d8/0x1580 [ 3381.710817][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3381.710817][ T10] ip6_route_add+0x1c/0x140 [ 3381.710817][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3381.710817][ T10] inet6_addr_add+0x4f8/0xa40 [ 3381.710817][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3381.710817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3381.710817][ T10] netlink_rcv_skb+0x130/0x360 [ 3381.710817][ T10] netlink_unicast+0x449/0x710 [ 3381.710817][ T10] netlink_sendmsg+0x723/0xbe0 [ 3381.710817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3381.710817][ T10] ___sys_sendmsg+0xee/0x170 [ 3381.710817][ T10] __sys_sendmsg+0xcd/0x170 [ 3381.710817][ T10] do_syscall_64+0xc6/0x1e0 [ 3381.710817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3381.710817][ T10] [ 3381.712824][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3381.712824][ T10] netdev_get_by_index+0x5e/0x80 [ 3381.712824][ T10] fib6_nh_init+0x3d8/0x1580 [ 3381.712824][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3381.712824][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3381.712824][ T10] ipv6_add_addr+0x411/0x2000 [ 3381.712824][ T10] inet6_addr_add+0x30e/0xa40 [ 3381.712824][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3381.712824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3381.712824][ T10] netlink_rcv_skb+0x130/0x360 [ 3381.712824][ T10] netlink_unicast+0x449/0x710 [ 3381.712824][ T10] netlink_sendmsg+0x723/0xbe0 [ 3381.712824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3381.712824][ T10] ___sys_sendmsg+0xee/0x170 [ 3381.712824][ T10] __sys_sendmsg+0xcd/0x170 [ 3381.712824][ T10] do_syscall_64+0xc6/0x1e0 [ 3381.712824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3381.712824][ T10] [ 3381.714829][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3381.714829][ T10] netdev_get_by_index+0x5e/0x80 [ 3381.714829][ T10] fib6_nh_init+0x3d8/0x1580 [ 3381.714829][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3381.714829][ T10] ip6_route_add+0x1c/0x140 [ 3381.714829][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3381.714829][ T10] addrconf_add_dev+0xe2/0x170 [ 3381.714829][ T10] inet6_addr_add+0x12f/0xa40 [ 3381.714829][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3381.714829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3381.714829][ T10] netlink_rcv_skb+0x130/0x360 [ 3381.714829][ T10] netlink_unicast+0x449/0x710 [ 3381.714829][ T10] netlink_sendmsg+0x723/0xbe0 [ 3381.714829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3381.714829][ T10] ___sys_sendmsg+0xee/0x170 [ 3381.714829][ T10] __sys_sendmsg+0xcd/0x170 [ 3381.714829][ T10] do_syscall_64+0xc6/0x1e0 [ 3381.714829][ T10] [ 3381.717315][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3381.717315][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3381.717315][ T10] ipv6_find_idev+0x102/0x170 [ 3381.717315][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3381.717315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3381.717315][ T10] netlink_rcv_skb+0x130/0x360 [ 3381.717315][ T10] netlink_unicast+0x449/0x710 [ 3381.717315][ T10] netlink_sendmsg+0x723/0xbe0 [ 3381.717315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3381.717315][ T10] ___sys_sendmsg+0xee/0x170 [ 3381.717315][ T10] __sys_sendmsg+0xcd/0x170 [ 3381.717315][ T10] do_syscall_64+0xc6/0x1e0 [ 3381.717315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3381.717315][ T10] [ 3381.718856][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3381.718856][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3381.718856][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3381.718856][ T10] ipv6_find_idev+0x102/0x170 [ 3381.718856][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3381.718856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3381.718856][ T10] netlink_rcv_skb+0x130/0x360 [ 3381.718856][ T10] netlink_unicast+0x449/0x710 [ 3381.718856][ T10] netlink_sendmsg+0x723/0xbe0 [ 3381.718856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3381.718856][ T10] ___sys_sendmsg+0xee/0x170 [ 3381.718856][ T10] __sys_sendmsg+0xcd/0x170 [ 3381.718856][ T10] do_syscall_64+0xc6/0x1e0 [ 3381.718856][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3381.718856][ T10] [ 3381.720551][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3381.720795][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3381.720795][ T10] netdev_get_by_index+0x5e/0x80 [ 3381.720795][ T10] fib6_nh_init+0x3d8/0x1580 [ 3381.720795][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3381.720795][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3381.720795][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3381.720795][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3381.720795][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3381.720795][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3381.720795][ T10] addrconf_dad_begin+0x310/0x670 [ 3381.720795][ T10] addrconf_dad_work+0x10b/0xab0 [ 3381.720795][ T10] process_one_work+0x84d/0x18a0 [ 3381.720795][ T10] worker_thread+0x587/0xd30 [ 3381.720795][ T10] kthread+0x28a/0x350 [ 3381.720795][ T10] ret_from_fork+0x31/0x70 [ 3381.720795][ T10] ret_from_fork_asm+0x1a/0x30 [ 3381.720795][ T10] [ 3381.722806][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3381.722806][ T10] netdev_get_by_index+0x5e/0x80 [ 3381.722806][ T10] fib6_nh_init+0x3d8/0x1580 [ 3381.722806][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3381.722806][ T10] ip6_route_add+0x1c/0x140 [ 3381.722806][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3381.722806][ T10] inet6_addr_add+0x4f8/0xa40 [ 3381.722806][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3381.722806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3381.722806][ T10] netlink_rcv_skb+0x130/0x360 [ 3381.722806][ T10] netlink_unicast+0x449/0x710 [ 3381.722806][ T10] netlink_sendmsg+0x723/0xbe0 [ 3381.722806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3381.722806][ T10] ___sys_sendmsg+0xee/0x170 [ 3381.722806][ T10] __sys_sendmsg+0xcd/0x170 [ 3381.722806][ T10] do_syscall_64+0xc6/0x1e0 [ 3381.722806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3381.722806][ T10] [ 3381.724984][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3381.724984][ T10] netdev_get_by_index+0x5e/0x80 [ 3381.724984][ T10] fib6_nh_init+0x3d8/0x1580 [ 3381.724984][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3381.724984][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3381.724984][ T10] ipv6_add_addr+0x411/0x2000 [ 3381.724984][ T10] inet6_addr_add+0x30e/0xa40 [ 3381.724984][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3381.724984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3381.724984][ T10] netlink_rcv_skb+0x130/0x360 [ 3381.724984][ T10] netlink_unicast+0x449/0x710 [ 3381.724984][ T10] netlink_sendmsg+0x723/0xbe0 [ 3381.724984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3381.724984][ T10] ___sys_sendmsg+0xee/0x170 [ 3381.724984][ T10] __sys_sendmsg+0xcd/0x170 [ 3381.724984][ T10] do_syscall_64+0xc6/0x1e0 [ 3381.724984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3381.724984][ T10] [ 3381.727289][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3381.727289][ T10] netdev_get_by_index+0x5e/0x80 [ 3381.727289][ T10] fib6_nh_init+0x3d8/0x1580 [ 3381.727289][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3381.727289][ T10] ip6_route_add+0x1c/0x140 [ 3381.727289][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3381.727289][ T10] addrconf_add_dev+0xe2/0x170 [ 3381.727289][ T10] inet6_addr_add+0x12f/0xa40 [ 3381.727289][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3381.727289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3381.727289][ T10] netlink_rcv_skb+0x130/0x360 [ 3381.727289][ T10] netlink_unicast+0x449/0x710 [ 3381.727289][ T10] netlink_sendmsg+0x723/0xbe0 [ 3381.727289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3381.727289][ T10] ___sys_sendmsg+0xee/0x170 [ 3381.727289][ T10] __sys_sendmsg+0xcd/0x170 [ 3381.727289][ T10] do_syscall_64+0xc6/0x1e0 [ 3381.727289][ T10] [ 3381.729515][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3381.729515][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3381.729515][ T10] ipv6_find_idev+0x102/0x170 [ 3381.729515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3381.729515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3381.729515][ T10] netlink_rcv_skb+0x130/0x360 [ 3381.729515][ T10] netlink_unicast+0x449/0x710 [ 3381.729515][ T10] netlink_sendmsg+0x723/0xbe0 [ 3381.729515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3381.729515][ T10] ___sys_sendmsg+0xee/0x170 [ 3381.729515][ T10] __sys_sendmsg+0xcd/0x170 [ 3381.729515][ T10] do_syscall_64+0xc6/0x1e0 [ 3381.729515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3381.729515][ T10] [ 3381.731182][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3381.731182][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3381.731182][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3381.731182][ T10] ipv6_find_idev+0x102/0x170 [ 3381.731182][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3381.731182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3381.731182][ T10] netlink_rcv_skb+0x130/0x360 [ 3381.731182][ T10] netlink_unicast+0x449/0x710 [ 3381.731182][ T10] netlink_sendmsg+0x723/0xbe0 [ 3381.731182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3381.731182][ T10] ___sys_sendmsg+0xee/0x170 [ 3381.731182][ T10] __sys_sendmsg+0xcd/0x170 [ 3381.731182][ T10] do_syscall_64+0xc6/0x1e0 [ 3381.731182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3381.731182][ T10] [ 3381.733045][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3381.733287][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3381.733287][ T10] netdev_get_by_index+0x5e/0x80 [ 3381.733287][ T10] fib6_nh_init+0x3d8/0x1580 [ 3381.733287][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3381.733287][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3381.733287][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3381.733287][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3381.733287][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3381.733287][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3381.733287][ T10] addrconf_dad_begin+0x310/0x670 [ 3381.733287][ T10] addrconf_dad_work+0x10b/0xab0 [ 3381.733287][ T10] process_one_work+0x84d/0x18a0 [ 3381.733287][ T10] worker_thread+0x587/0xd30 [ 3381.733287][ T10] kthread+0x28a/0x350 [ 3381.733287][ T10] ret_from_fork+0x31/0x70 [ 3381.733287][ T10] ret_from_fork_asm+0x1a/0x30 [ 3381.733287][ T10] [ 3381.735502][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3381.735502][ T10] netdev_get_by_index+0x5e/0x80 [ 3381.735502][ T10] fib6_nh_init+0x3d8/0x1580 [ 3381.735502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3381.735502][ T10] ip6_route_add+0x1c/0x140 [ 3381.735502][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3381.735502][ T10] inet6_addr_add+0x4f8/0xa40 [ 3381.735502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3381.735502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3381.735502][ T10] netlink_rcv_skb+0x130/0x360 [ 3381.735502][ T10] netlink_unicast+0x449/0x710 [ 3381.735502][ T10] netlink_sendmsg+0x723/0xbe0 [ 3381.735502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3381.735502][ T10] ___sys_sendmsg+0xee/0x170 [ 3381.735502][ T10] __sys_sendmsg+0xcd/0x170 [ 3381.735502][ T10] do_syscall_64+0xc6/0x1e0 [ 3381.735502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3381.735502][ T10] [ 3381.738111][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3381.738111][ T10] netdev_get_by_index+0x5e/0x80 [ 3381.738111][ T10] fib6_nh_init+0x3d8/0x1580 [ 3381.738111][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3381.738111][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3381.738111][ T10] ipv6_add_addr+0x411/0x2000 [ 3381.738111][ T10] inet6_addr_add+0x30e/0xa40 [ 3381.738111][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3381.738111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3381.738111][ T10] netlink_rcv_skb+0x130/0x360 [ 3381.738111][ T10] netlink_unicast+0x449/0x710 [ 3381.738111][ T10] netlink_sendmsg+0x723/0xbe0 [ 3381.738111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3381.738111][ T10] ___sys_sendmsg+0xee/0x170 [ 3381.738111][ T10] __sys_sendmsg+0xcd/0x170 [ 3381.738111][ T10] do_syscall_64+0xc6/0x1e0 [ 3381.738111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3381.738111][ T10] [ 3381.740283][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3381.740283][ T10] netdev_get_by_index+0x5e/0x80 [ 3381.740283][ T10] fib6_nh_init+0x3d8/0x1580 [ 3381.740283][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3381.740283][ T10] ip6_route_add+0x1c/0x140 [ 3381.740283][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3381.740283][ T10] addrconf_add_dev+0xe2/0x170 [ 3381.740283][ T10] inet6_addr_add+0x12f/0xa40 [ 3381.740283][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3381.740283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3381.740283][ T10] netlink_rcv_skb+0x130/0x360 [ 3381.740283][ T10] netlink_unicast+0x449/0x710 [ 3381.740283][ T10] netlink_sendmsg+0x723/0xbe0 [ 3381.740283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3381.740283][ T10] ___sys_sendmsg+0xee/0x170 [ 3381.740283][ T10] __sys_sendmsg+0xcd/0x170 [ 3381.740283][ T10] do_syscall_64+0xc6/0x1e0 [ 3381.740283][ T10] [ 3381.742496][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3381.742496][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3381.742496][ T10] ipv6_find_idev+0x102/0x170 [ 3381.742496][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3381.742496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3381.742496][ T10] netlink_rcv_skb+0x130/0x360 [ 3381.742496][ T10] netlink_unicast+0x449/0x710 [ 3381.742496][ T10] netlink_sendmsg+0x723/0xbe0 [ 3381.742496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3381.742496][ T10] ___sys_sendmsg+0xee/0x170 [ 3381.742496][ T10] __sys_sendmsg+0xcd/0x170 [ 3381.742496][ T10] do_syscall_64+0xc6/0x1e0 [ 3381.742496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3381.742496][ T10] [ 3381.744217][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3381.744217][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3381.744217][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3381.744217][ T10] ipv6_find_idev+0x102/0x170 [ 3381.744217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3381.744217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3381.744217][ T10] netlink_rcv_skb+0x130/0x360 [ 3381.744217][ T10] netlink_unicast+0x449/0x710 [ 3381.744217][ T10] netlink_sendmsg+0x723/0xbe0 [ 3381.744217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3381.744217][ T10] ___sys_sendmsg+0xee/0x170 [ 3381.744217][ T10] __sys_sendmsg+0xcd/0x170 [ 3381.744217][ T10] do_syscall_64+0xc6/0x1e0 [ 3381.744217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3381.744217][ T10] [ 3382.009116][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3382.009654][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3382.009654][ T1167] dst_init+0x84/0x4a0 [ 3382.009654][ T1167] dst_alloc+0x97/0x150 [ 3382.009654][ T1167] ip6_dst_alloc+0x23/0x90 [ 3382.009654][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3382.009654][ T1167] ip6_pol_route+0x56f/0x840 [ 3382.009654][ T1167] fib6_rule_lookup+0x334/0x630 [ 3382.009654][ T1167] ip6_route_output_flags+0x259/0x480 [ 3382.009654][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3382.009654][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3382.009654][ T1167] netlink_rcv_skb+0x130/0x360 [ 3382.009654][ T1167] netlink_unicast+0x449/0x710 [ 3382.009654][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3382.009654][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3382.009654][ T1167] ___sys_sendmsg+0xee/0x170 [ 3382.009654][ T1167] __sys_sendmsg+0xcd/0x170 [ 3382.009654][ T1167] do_syscall_64+0xc6/0x1e0 [ 3382.009654][ T1167] [ 3382.011893][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3382.011893][ T1167] netdev_get_by_index+0x5e/0x80 [ 3382.011893][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3382.011893][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3382.011893][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3382.011893][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3382.011893][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3382.011893][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3382.011893][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3382.011893][ T1167] addrconf_dad_begin+0x310/0x670 [ 3382.011893][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3382.011893][ T1167] process_one_work+0x84d/0x18a0 [ 3382.011893][ T1167] worker_thread+0x587/0xd30 [ 3382.011893][ T1167] kthread+0x28a/0x350 [ 3382.011893][ T1167] ret_from_fork+0x31/0x70 [ 3382.011893][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3382.011893][ T1167] [ 3382.014077][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3382.014077][ T1167] netdev_get_by_index+0x5e/0x80 [ 3382.014077][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3382.014077][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3382.014077][ T1167] ip6_route_add+0x1c/0x140 [ 3382.014077][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3382.014077][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3382.014077][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3382.014077][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3382.014077][ T1167] netlink_rcv_skb+0x130/0x360 [ 3382.014077][ T1167] netlink_unicast+0x449/0x710 [ 3382.014077][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3382.014077][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3382.014077][ T1167] ___sys_sendmsg+0xee/0x170 [ 3382.014077][ T1167] __sys_sendmsg+0xcd/0x170 [ 3382.014077][ T1167] do_syscall_64+0xc6/0x1e0 [ 3382.014077][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3382.014077][ T1167] [ 3382.016338][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3382.016338][ T1167] netdev_get_by_index+0x5e/0x80 [ 3382.016338][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3382.016338][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3382.016338][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3382.016338][ T1167] ipv6_add_addr+0x411/0x2000 [ 3382.016338][ T1167] inet6_addr_add+0x30e/0xa40 [ 3382.016338][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3382.016338][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3382.016338][ T1167] netlink_rcv_skb+0x130/0x360 [ 3382.016338][ T1167] netlink_unicast+0x449/0x710 [ 3382.016338][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3382.016338][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3382.016338][ T1167] ___sys_sendmsg+0xee/0x170 [ 3382.016338][ T1167] __sys_sendmsg+0xcd/0x170 [ 3382.016338][ T1167] do_syscall_64+0xc6/0x1e0 [ 3382.016338][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3382.016338][ T1167] [ 3382.018614][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3382.018614][ T1167] netdev_get_by_index+0x5e/0x80 [ 3382.018614][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3382.018614][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3382.018614][ T1167] ip6_route_add+0x1c/0x140 [ 3382.018614][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3382.018614][ T1167] addrconf_add_dev+0xe2/0x170 [ 3382.018614][ T1167] inet6_addr_add+0x12f/0xa40 [ 3382.018614][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3382.018614][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3382.018614][ T1167] netlink_rcv_skb+0x130/0x360 [ 3382.018614][ T1167] netlink_unicast+0x449/0x710 [ 3382.018614][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3382.018614][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3382.018614][ T1167] ___sys_sendmsg+0xee/0x170 [ 3382.018614][ T1167] __sys_sendmsg+0xcd/0x170 [ 3382.018614][ T1167] do_syscall_64+0xc6/0x1e0 [ 3382.018614][ T1167] [ 3382.020830][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3382.020830][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3382.020830][ T1167] ipv6_find_idev+0x102/0x170 [ 3382.020830][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3382.020830][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3382.020830][ T1167] netlink_rcv_skb+0x130/0x360 [ 3382.020830][ T1167] netlink_unicast+0x449/0x710 [ 3382.020830][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3382.020830][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3382.020830][ T1167] ___sys_sendmsg+0xee/0x170 [ 3382.020830][ T1167] __sys_sendmsg+0xcd/0x170 [ 3382.020830][ T1167] do_syscall_64+0xc6/0x1e0 [ 3382.020830][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3382.020830][ T1167] [ 3382.022584][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3382.022584][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3382.022584][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3382.022584][ T1167] ipv6_find_idev+0x102/0x170 [ 3382.022584][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3382.022584][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3382.022584][ T1167] netlink_rcv_skb+0x130/0x360 [ 3382.022584][ T1167] netlink_unicast+0x449/0x710 [ 3382.022584][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3382.022584][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3382.022584][ T1167] ___sys_sendmsg+0xee/0x170 [ 3382.022584][ T1167] __sys_sendmsg+0xcd/0x170 [ 3382.022584][ T1167] do_syscall_64+0xc6/0x1e0 [ 3382.022584][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3382.022584][ T1167] [ 3391.809151][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3391.809573][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3391.809573][ T10] netdev_get_by_index+0x5e/0x80 [ 3391.809573][ T10] fib6_nh_init+0x3d8/0x1580 [ 3391.809573][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3391.809573][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3391.809573][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3391.809573][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3391.809573][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3391.809573][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3391.809573][ T10] addrconf_dad_begin+0x310/0x670 [ 3391.809573][ T10] addrconf_dad_work+0x10b/0xab0 [ 3391.809573][ T10] process_one_work+0x84d/0x18a0 [ 3391.809573][ T10] worker_thread+0x587/0xd30 [ 3391.809573][ T10] kthread+0x28a/0x350 [ 3391.809573][ T10] ret_from_fork+0x31/0x70 [ 3391.809573][ T10] ret_from_fork_asm+0x1a/0x30 [ 3391.809573][ T10] [ 3391.811513][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3391.811513][ T10] netdev_get_by_index+0x5e/0x80 [ 3391.811513][ T10] fib6_nh_init+0x3d8/0x1580 [ 3391.811513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3391.811513][ T10] ip6_route_add+0x1c/0x140 [ 3391.811513][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3391.811513][ T10] inet6_addr_add+0x4f8/0xa40 [ 3391.811513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3391.811513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3391.811513][ T10] netlink_rcv_skb+0x130/0x360 [ 3391.811513][ T10] netlink_unicast+0x449/0x710 [ 3391.811513][ T10] netlink_sendmsg+0x723/0xbe0 [ 3391.811513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3391.811513][ T10] ___sys_sendmsg+0xee/0x170 [ 3391.811513][ T10] __sys_sendmsg+0xcd/0x170 [ 3391.811513][ T10] do_syscall_64+0xc6/0x1e0 [ 3391.811513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3391.811513][ T10] [ 3391.813521][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3391.813521][ T10] netdev_get_by_index+0x5e/0x80 [ 3391.813521][ T10] fib6_nh_init+0x3d8/0x1580 [ 3391.813521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3391.813521][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3391.813521][ T10] ipv6_add_addr+0x411/0x2000 [ 3391.813521][ T10] inet6_addr_add+0x30e/0xa40 [ 3391.813521][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3391.813521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3391.813521][ T10] netlink_rcv_skb+0x130/0x360 [ 3391.813521][ T10] netlink_unicast+0x449/0x710 [ 3391.813521][ T10] netlink_sendmsg+0x723/0xbe0 [ 3391.813521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3391.813521][ T10] ___sys_sendmsg+0xee/0x170 [ 3391.813521][ T10] __sys_sendmsg+0xcd/0x170 [ 3391.813521][ T10] do_syscall_64+0xc6/0x1e0 [ 3391.813521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3391.813521][ T10] [ 3391.815543][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3391.815543][ T10] netdev_get_by_index+0x5e/0x80 [ 3391.815543][ T10] fib6_nh_init+0x3d8/0x1580 [ 3391.815543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3391.815543][ T10] ip6_route_add+0x1c/0x140 [ 3391.815543][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3391.815543][ T10] addrconf_add_dev+0xe2/0x170 [ 3391.815543][ T10] inet6_addr_add+0x12f/0xa40 [ 3391.815543][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3391.815543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3391.815543][ T10] netlink_rcv_skb+0x130/0x360 [ 3391.815543][ T10] netlink_unicast+0x449/0x710 [ 3391.815543][ T10] netlink_sendmsg+0x723/0xbe0 [ 3391.815543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3391.815543][ T10] ___sys_sendmsg+0xee/0x170 [ 3391.815543][ T10] __sys_sendmsg+0xcd/0x170 [ 3391.815543][ T10] do_syscall_64+0xc6/0x1e0 [ 3391.815543][ T10] [ 3391.817510][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3391.817510][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3391.817510][ T10] ipv6_find_idev+0x102/0x170 [ 3391.817510][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3391.817510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3391.817510][ T10] netlink_rcv_skb+0x130/0x360 [ 3391.817510][ T10] netlink_unicast+0x449/0x710 [ 3391.817510][ T10] netlink_sendmsg+0x723/0xbe0 [ 3391.817510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3391.817510][ T10] ___sys_sendmsg+0xee/0x170 [ 3391.817510][ T10] __sys_sendmsg+0xcd/0x170 [ 3391.817510][ T10] do_syscall_64+0xc6/0x1e0 [ 3391.817510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3391.817510][ T10] [ 3391.819054][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3391.819054][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3391.819054][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3391.819054][ T10] ipv6_find_idev+0x102/0x170 [ 3391.819054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3391.819054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3391.819054][ T10] netlink_rcv_skb+0x130/0x360 [ 3391.819054][ T10] netlink_unicast+0x449/0x710 [ 3391.819054][ T10] netlink_sendmsg+0x723/0xbe0 [ 3391.819054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3391.819054][ T10] ___sys_sendmsg+0xee/0x170 [ 3391.819054][ T10] __sys_sendmsg+0xcd/0x170 [ 3391.819054][ T10] do_syscall_64+0xc6/0x1e0 [ 3391.819054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3391.819054][ T10] [ 3391.820733][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3391.820979][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3391.820979][ T10] netdev_get_by_index+0x5e/0x80 [ 3391.820979][ T10] fib6_nh_init+0x3d8/0x1580 [ 3391.820979][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3391.820979][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3391.820979][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3391.820979][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3391.820979][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3391.820979][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3391.820979][ T10] addrconf_dad_begin+0x310/0x670 [ 3391.820979][ T10] addrconf_dad_work+0x10b/0xab0 [ 3391.820979][ T10] process_one_work+0x84d/0x18a0 [ 3391.820979][ T10] worker_thread+0x587/0xd30 [ 3391.820979][ T10] kthread+0x28a/0x350 [ 3391.820979][ T10] ret_from_fork+0x31/0x70 [ 3391.820979][ T10] ret_from_fork_asm+0x1a/0x30 [ 3391.820979][ T10] [ 3391.822891][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3391.822891][ T10] netdev_get_by_index+0x5e/0x80 [ 3391.822891][ T10] fib6_nh_init+0x3d8/0x1580 [ 3391.822891][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3391.822891][ T10] ip6_route_add+0x1c/0x140 [ 3391.822891][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3391.822891][ T10] inet6_addr_add+0x4f8/0xa40 [ 3391.822891][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3391.822891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3391.822891][ T10] netlink_rcv_skb+0x130/0x360 [ 3391.822891][ T10] netlink_unicast+0x449/0x710 [ 3391.822891][ T10] netlink_sendmsg+0x723/0xbe0 [ 3391.822891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3391.822891][ T10] ___sys_sendmsg+0xee/0x170 [ 3391.822891][ T10] __sys_sendmsg+0xcd/0x170 [ 3391.822891][ T10] do_syscall_64+0xc6/0x1e0 [ 3391.822891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3391.822891][ T10] [ 3391.824873][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3391.824873][ T10] netdev_get_by_index+0x5e/0x80 [ 3391.824873][ T10] fib6_nh_init+0x3d8/0x1580 [ 3391.824873][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3391.824873][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3391.824873][ T10] ipv6_add_addr+0x411/0x2000 [ 3391.824873][ T10] inet6_addr_add+0x30e/0xa40 [ 3391.824873][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3391.824873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3391.824873][ T10] netlink_rcv_skb+0x130/0x360 [ 3391.824873][ T10] netlink_unicast+0x449/0x710 [ 3391.824873][ T10] netlink_sendmsg+0x723/0xbe0 [ 3391.824873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3391.824873][ T10] ___sys_sendmsg+0xee/0x170 [ 3391.824873][ T10] __sys_sendmsg+0xcd/0x170 [ 3391.824873][ T10] do_syscall_64+0xc6/0x1e0 [ 3391.824873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3391.824873][ T10] [ 3391.826880][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3391.826880][ T10] netdev_get_by_index+0x5e/0x80 [ 3391.826880][ T10] fib6_nh_init+0x3d8/0x1580 [ 3391.826880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3391.826880][ T10] ip6_route_add+0x1c/0x140 [ 3391.826880][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3391.826880][ T10] addrconf_add_dev+0xe2/0x170 [ 3391.826880][ T10] inet6_addr_add+0x12f/0xa40 [ 3391.826880][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3391.826880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3391.826880][ T10] netlink_rcv_skb+0x130/0x360 [ 3391.826880][ T10] netlink_unicast+0x449/0x710 [ 3391.826880][ T10] netlink_sendmsg+0x723/0xbe0 [ 3391.826880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3391.826880][ T10] ___sys_sendmsg+0xee/0x170 [ 3391.826880][ T10] __sys_sendmsg+0xcd/0x170 [ 3391.826880][ T10] do_syscall_64+0xc6/0x1e0 [ 3391.826880][ T10] [ 3391.828862][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3391.828862][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3391.828862][ T10] ipv6_find_idev+0x102/0x170 [ 3391.828862][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3391.828862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3391.828862][ T10] netlink_rcv_skb+0x130/0x360 [ 3391.828862][ T10] netlink_unicast+0x449/0x710 [ 3391.828862][ T10] netlink_sendmsg+0x723/0xbe0 [ 3391.828862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3391.828862][ T10] ___sys_sendmsg+0xee/0x170 [ 3391.828862][ T10] __sys_sendmsg+0xcd/0x170 [ 3391.828862][ T10] do_syscall_64+0xc6/0x1e0 [ 3391.828862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3391.828862][ T10] [ 3391.830408][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3391.830408][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3391.830408][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3391.830408][ T10] ipv6_find_idev+0x102/0x170 [ 3391.830408][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3391.830408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3391.830408][ T10] netlink_rcv_skb+0x130/0x360 [ 3391.830408][ T10] netlink_unicast+0x449/0x710 [ 3391.830408][ T10] netlink_sendmsg+0x723/0xbe0 [ 3391.830408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3391.830408][ T10] ___sys_sendmsg+0xee/0x170 [ 3391.830408][ T10] __sys_sendmsg+0xcd/0x170 [ 3391.830408][ T10] do_syscall_64+0xc6/0x1e0 [ 3391.830408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3391.830408][ T10] [ 3391.832102][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3391.832349][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3391.832349][ T10] netdev_get_by_index+0x5e/0x80 [ 3391.832349][ T10] fib6_nh_init+0x3d8/0x1580 [ 3391.832349][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3391.832349][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3391.832349][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3391.832349][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3391.832349][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3391.832349][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3391.832349][ T10] addrconf_dad_begin+0x310/0x670 [ 3391.832349][ T10] addrconf_dad_work+0x10b/0xab0 [ 3391.832349][ T10] process_one_work+0x84d/0x18a0 [ 3391.832349][ T10] worker_thread+0x587/0xd30 [ 3391.832349][ T10] kthread+0x28a/0x350 [ 3391.832349][ T10] ret_from_fork+0x31/0x70 [ 3391.832349][ T10] ret_from_fork_asm+0x1a/0x30 [ 3391.832349][ T10] [ 3391.834263][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3391.834263][ T10] netdev_get_by_index+0x5e/0x80 [ 3391.834263][ T10] fib6_nh_init+0x3d8/0x1580 [ 3391.834263][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3391.834263][ T10] ip6_route_add+0x1c/0x140 [ 3391.834263][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3391.834263][ T10] inet6_addr_add+0x4f8/0xa40 [ 3391.834263][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3391.834263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3391.834263][ T10] netlink_rcv_skb+0x130/0x360 [ 3391.834263][ T10] netlink_unicast+0x449/0x710 [ 3391.834263][ T10] netlink_sendmsg+0x723/0xbe0 [ 3391.834263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3391.834263][ T10] ___sys_sendmsg+0xee/0x170 [ 3391.834263][ T10] __sys_sendmsg+0xcd/0x170 [ 3391.834263][ T10] do_syscall_64+0xc6/0x1e0 [ 3391.834263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3391.834263][ T10] [ 3391.836459][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3391.836459][ T10] netdev_get_by_index+0x5e/0x80 [ 3391.836459][ T10] fib6_nh_init+0x3d8/0x1580 [ 3391.836459][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3391.836459][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3391.836459][ T10] ipv6_add_addr+0x411/0x2000 [ 3391.836459][ T10] inet6_addr_add+0x30e/0xa40 [ 3391.836459][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3391.836459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3391.836459][ T10] netlink_rcv_skb+0x130/0x360 [ 3391.836459][ T10] netlink_unicast+0x449/0x710 [ 3391.836459][ T10] netlink_sendmsg+0x723/0xbe0 [ 3391.836459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3391.836459][ T10] ___sys_sendmsg+0xee/0x170 [ 3391.836459][ T10] __sys_sendmsg+0xcd/0x170 [ 3391.836459][ T10] do_syscall_64+0xc6/0x1e0 [ 3391.836459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3391.836459][ T10] [ 3391.838699][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3391.838699][ T10] netdev_get_by_index+0x5e/0x80 [ 3391.838699][ T10] fib6_nh_init+0x3d8/0x1580 [ 3391.838699][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3391.838699][ T10] ip6_route_add+0x1c/0x140 [ 3391.838699][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3391.838699][ T10] addrconf_add_dev+0xe2/0x170 [ 3391.838699][ T10] inet6_addr_add+0x12f/0xa40 [ 3391.838699][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3391.838699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3391.838699][ T10] netlink_rcv_skb+0x130/0x360 [ 3391.838699][ T10] netlink_unicast+0x449/0x710 [ 3391.838699][ T10] netlink_sendmsg+0x723/0xbe0 [ 3391.838699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3391.838699][ T10] ___sys_sendmsg+0xee/0x170 [ 3391.838699][ T10] __sys_sendmsg+0xcd/0x170 [ 3391.838699][ T10] do_syscall_64+0xc6/0x1e0 [ 3391.838699][ T10] [ 3391.840914][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3391.840914][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3391.840914][ T10] ipv6_find_idev+0x102/0x170 [ 3391.840914][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3391.840914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3391.840914][ T10] netlink_rcv_skb+0x130/0x360 [ 3391.840914][ T10] netlink_unicast+0x449/0x710 [ 3391.840914][ T10] netlink_sendmsg+0x723/0xbe0 [ 3391.840914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3391.840914][ T10] ___sys_sendmsg+0xee/0x170 [ 3391.840914][ T10] __sys_sendmsg+0xcd/0x170 [ 3391.840914][ T10] do_syscall_64+0xc6/0x1e0 [ 3391.840914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3391.840914][ T10] [ 3391.842630][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3391.842630][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3391.842630][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3391.842630][ T10] ipv6_find_idev+0x102/0x170 [ 3391.842630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3391.842630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3391.842630][ T10] netlink_rcv_skb+0x130/0x360 [ 3391.842630][ T10] netlink_unicast+0x449/0x710 [ 3391.842630][ T10] netlink_sendmsg+0x723/0xbe0 [ 3391.842630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3391.842630][ T10] ___sys_sendmsg+0xee/0x170 [ 3391.842630][ T10] __sys_sendmsg+0xcd/0x170 [ 3391.842630][ T10] do_syscall_64+0xc6/0x1e0 [ 3391.842630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3391.842630][ T10] [ 3391.844559][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3391.844794][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3391.844794][ T10] netdev_get_by_index+0x5e/0x80 [ 3391.844794][ T10] fib6_nh_init+0x3d8/0x1580 [ 3391.844794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3391.844794][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3391.844794][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3391.844794][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3391.844794][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3391.844794][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3391.844794][ T10] addrconf_dad_begin+0x310/0x670 [ 3391.844794][ T10] addrconf_dad_work+0x10b/0xab0 [ 3391.844794][ T10] process_one_work+0x84d/0x18a0 [ 3391.844794][ T10] worker_thread+0x587/0xd30 [ 3391.844794][ T10] kthread+0x28a/0x350 [ 3391.844794][ T10] ret_from_fork+0x31/0x70 [ 3391.844794][ T10] ret_from_fork_asm+0x1a/0x30 [ 3391.844794][ T10] [ 3391.846982][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3391.846982][ T10] netdev_get_by_index+0x5e/0x80 [ 3391.846982][ T10] fib6_nh_init+0x3d8/0x1580 [ 3391.846982][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3391.846982][ T10] ip6_route_add+0x1c/0x140 [ 3391.846982][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3391.846982][ T10] inet6_addr_add+0x4f8/0xa40 [ 3391.846982][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3391.846982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3391.846982][ T10] netlink_rcv_skb+0x130/0x360 [ 3391.846982][ T10] netlink_unicast+0x449/0x710 [ 3391.846982][ T10] netlink_sendmsg+0x723/0xbe0 [ 3391.846982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3391.846982][ T10] ___sys_sendmsg+0xee/0x170 [ 3391.846982][ T10] __sys_sendmsg+0xcd/0x170 [ 3391.846982][ T10] do_syscall_64+0xc6/0x1e0 [ 3391.846982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3391.846982][ T10] [ 3391.849247][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3391.849247][ T10] netdev_get_by_index+0x5e/0x80 [ 3391.849247][ T10] fib6_nh_init+0x3d8/0x1580 [ 3391.849247][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3391.849247][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3391.849247][ T10] ipv6_add_addr+0x411/0x2000 [ 3391.849247][ T10] inet6_addr_add+0x30e/0xa40 [ 3391.849247][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3391.849247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3391.849247][ T10] netlink_rcv_skb+0x130/0x360 [ 3391.849247][ T10] netlink_unicast+0x449/0x710 [ 3391.849247][ T10] netlink_sendmsg+0x723/0xbe0 [ 3391.849247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3391.849247][ T10] ___sys_sendmsg+0xee/0x170 [ 3391.849247][ T10] __sys_sendmsg+0xcd/0x170 [ 3391.849247][ T10] do_syscall_64+0xc6/0x1e0 [ 3391.849247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3391.849247][ T10] [ 3391.851427][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3391.851427][ T10] netdev_get_by_index+0x5e/0x80 [ 3391.851427][ T10] fib6_nh_init+0x3d8/0x1580 [ 3391.851427][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3391.851427][ T10] ip6_route_add+0x1c/0x140 [ 3391.851427][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3391.851427][ T10] addrconf_add_dev+0xe2/0x170 [ 3391.851427][ T10] inet6_addr_add+0x12f/0xa40 [ 3391.851427][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3391.851427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3391.851427][ T10] netlink_rcv_skb+0x130/0x360 [ 3391.851427][ T10] netlink_unicast+0x449/0x710 [ 3391.851427][ T10] netlink_sendmsg+0x723/0xbe0 [ 3391.851427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3391.851427][ T10] ___sys_sendmsg+0xee/0x170 [ 3391.851427][ T10] __sys_sendmsg+0xcd/0x170 [ 3391.851427][ T10] do_syscall_64+0xc6/0x1e0 [ 3391.851427][ T10] [ 3391.853726][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3391.853726][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3391.853726][ T10] ipv6_find_idev+0x102/0x170 [ 3391.853726][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3391.853726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3391.853726][ T10] netlink_rcv_skb+0x130/0x360 [ 3391.853726][ T10] netlink_unicast+0x449/0x710 [ 3391.853726][ T10] netlink_sendmsg+0x723/0xbe0 [ 3391.853726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3391.853726][ T10] ___sys_sendmsg+0xee/0x170 [ 3391.853726][ T10] __sys_sendmsg+0xcd/0x170 [ 3391.853726][ T10] do_syscall_64+0xc6/0x1e0 [ 3391.853726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3391.853726][ T10] [ 3391.855441][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3391.855441][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3391.855441][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3391.855441][ T10] ipv6_find_idev+0x102/0x170 [ 3391.855441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3391.855441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3391.855441][ T10] netlink_rcv_skb+0x130/0x360 [ 3391.855441][ T10] netlink_unicast+0x449/0x710 [ 3391.855441][ T10] netlink_sendmsg+0x723/0xbe0 [ 3391.855441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3391.855441][ T10] ___sys_sendmsg+0xee/0x170 [ 3391.855441][ T10] __sys_sendmsg+0xcd/0x170 [ 3391.855441][ T10] do_syscall_64+0xc6/0x1e0 [ 3391.855441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3391.855441][ T10] [ 3392.065152][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3392.065641][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3392.065641][ T1167] dst_init+0x84/0x4a0 [ 3392.065641][ T1167] dst_alloc+0x97/0x150 [ 3392.065641][ T1167] ip6_dst_alloc+0x23/0x90 [ 3392.065641][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3392.065641][ T1167] ip6_pol_route+0x56f/0x840 [ 3392.065641][ T1167] fib6_rule_lookup+0x334/0x630 [ 3392.065641][ T1167] ip6_route_output_flags+0x259/0x480 [ 3392.065641][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3392.065641][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3392.065641][ T1167] netlink_rcv_skb+0x130/0x360 [ 3392.065641][ T1167] netlink_unicast+0x449/0x710 [ 3392.065641][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3392.065641][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3392.065641][ T1167] ___sys_sendmsg+0xee/0x170 [ 3392.065641][ T1167] __sys_sendmsg+0xcd/0x170 [ 3392.065641][ T1167] do_syscall_64+0xc6/0x1e0 [ 3392.065641][ T1167] [ 3392.067881][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3392.067881][ T1167] netdev_get_by_index+0x5e/0x80 [ 3392.067881][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3392.067881][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3392.067881][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3392.067881][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3392.067881][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3392.067881][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3392.067881][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3392.067881][ T1167] addrconf_dad_begin+0x310/0x670 [ 3392.067881][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3392.067881][ T1167] process_one_work+0x84d/0x18a0 [ 3392.067881][ T1167] worker_thread+0x587/0xd30 [ 3392.067881][ T1167] kthread+0x28a/0x350 [ 3392.067881][ T1167] ret_from_fork+0x31/0x70 [ 3392.067881][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3392.067881][ T1167] [ 3392.070042][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3392.070042][ T1167] netdev_get_by_index+0x5e/0x80 [ 3392.070042][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3392.070042][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3392.070042][ T1167] ip6_route_add+0x1c/0x140 [ 3392.070042][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3392.070042][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3392.070042][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3392.070042][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3392.070042][ T1167] netlink_rcv_skb+0x130/0x360 [ 3392.070042][ T1167] netlink_unicast+0x449/0x710 [ 3392.070042][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3392.070042][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3392.070042][ T1167] ___sys_sendmsg+0xee/0x170 [ 3392.070042][ T1167] __sys_sendmsg+0xcd/0x170 [ 3392.070042][ T1167] do_syscall_64+0xc6/0x1e0 [ 3392.070042][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3392.070042][ T1167] [ 3392.072306][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3392.072306][ T1167] netdev_get_by_index+0x5e/0x80 [ 3392.072306][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3392.072306][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3392.072306][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3392.072306][ T1167] ipv6_add_addr+0x411/0x2000 [ 3392.072306][ T1167] inet6_addr_add+0x30e/0xa40 [ 3392.072306][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3392.072306][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3392.072306][ T1167] netlink_rcv_skb+0x130/0x360 [ 3392.072306][ T1167] netlink_unicast+0x449/0x710 [ 3392.072306][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3392.072306][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3392.072306][ T1167] ___sys_sendmsg+0xee/0x170 [ 3392.072306][ T1167] __sys_sendmsg+0xcd/0x170 [ 3392.072306][ T1167] do_syscall_64+0xc6/0x1e0 [ 3392.072306][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3392.072306][ T1167] [ 3392.074558][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3392.074558][ T1167] netdev_get_by_index+0x5e/0x80 [ 3392.074558][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3392.074558][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3392.074558][ T1167] ip6_route_add+0x1c/0x140 [ 3392.074558][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3392.074558][ T1167] addrconf_add_dev+0xe2/0x170 [ 3392.074558][ T1167] inet6_addr_add+0x12f/0xa40 [ 3392.074558][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3392.074558][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3392.074558][ T1167] netlink_rcv_skb+0x130/0x360 [ 3392.074558][ T1167] netlink_unicast+0x449/0x710 [ 3392.074558][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3392.074558][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3392.074558][ T1167] ___sys_sendmsg+0xee/0x170 [ 3392.074558][ T1167] __sys_sendmsg+0xcd/0x170 [ 3392.074558][ T1167] do_syscall_64+0xc6/0x1e0 [ 3392.074558][ T1167] [ 3392.076765][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3392.076765][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3392.076765][ T1167] ipv6_find_idev+0x102/0x170 [ 3392.076765][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3392.076765][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3392.076765][ T1167] netlink_rcv_skb+0x130/0x360 [ 3392.076765][ T1167] netlink_unicast+0x449/0x710 [ 3392.076765][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3392.076765][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3392.076765][ T1167] ___sys_sendmsg+0xee/0x170 [ 3392.076765][ T1167] __sys_sendmsg+0xcd/0x170 [ 3392.076765][ T1167] do_syscall_64+0xc6/0x1e0 [ 3392.076765][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3392.076765][ T1167] [ 3392.078506][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3392.078506][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3392.078506][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3392.078506][ T1167] ipv6_find_idev+0x102/0x170 [ 3392.078506][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3392.078506][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3392.078506][ T1167] netlink_rcv_skb+0x130/0x360 [ 3392.078506][ T1167] netlink_unicast+0x449/0x710 [ 3392.078506][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3392.078506][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3392.078506][ T1167] ___sys_sendmsg+0xee/0x170 [ 3392.078506][ T1167] __sys_sendmsg+0xcd/0x170 [ 3392.078506][ T1167] do_syscall_64+0xc6/0x1e0 [ 3392.078506][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3392.078506][ T1167] [ 3402.097110][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3402.097549][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3402.097549][ T10] netdev_get_by_index+0x5e/0x80 [ 3402.097549][ T10] fib6_nh_init+0x3d8/0x1580 [ 3402.097549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3402.097549][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3402.097549][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3402.097549][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3402.097549][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3402.097549][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3402.097549][ T10] addrconf_dad_begin+0x310/0x670 [ 3402.097549][ T10] addrconf_dad_work+0x10b/0xab0 [ 3402.097549][ T10] process_one_work+0x84d/0x18a0 [ 3402.097549][ T10] worker_thread+0x587/0xd30 [ 3402.097549][ T10] kthread+0x28a/0x350 [ 3402.097549][ T10] ret_from_fork+0x31/0x70 [ 3402.097549][ T10] ret_from_fork_asm+0x1a/0x30 [ 3402.097549][ T10] [ 3402.099481][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3402.099481][ T10] netdev_get_by_index+0x5e/0x80 [ 3402.099481][ T10] fib6_nh_init+0x3d8/0x1580 [ 3402.099481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3402.099481][ T10] ip6_route_add+0x1c/0x140 [ 3402.099481][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3402.099481][ T10] inet6_addr_add+0x4f8/0xa40 [ 3402.099481][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3402.099481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.099481][ T10] netlink_rcv_skb+0x130/0x360 [ 3402.099481][ T10] netlink_unicast+0x449/0x710 [ 3402.099481][ T10] netlink_sendmsg+0x723/0xbe0 [ 3402.099481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3402.099481][ T10] ___sys_sendmsg+0xee/0x170 [ 3402.099481][ T10] __sys_sendmsg+0xcd/0x170 [ 3402.099481][ T10] do_syscall_64+0xc6/0x1e0 [ 3402.099481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.099481][ T10] [ 3402.101482][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3402.101482][ T10] netdev_get_by_index+0x5e/0x80 [ 3402.101482][ T10] fib6_nh_init+0x3d8/0x1580 [ 3402.101482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3402.101482][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3402.101482][ T10] ipv6_add_addr+0x411/0x2000 [ 3402.101482][ T10] inet6_addr_add+0x30e/0xa40 [ 3402.101482][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3402.101482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.101482][ T10] netlink_rcv_skb+0x130/0x360 [ 3402.101482][ T10] netlink_unicast+0x449/0x710 [ 3402.101482][ T10] netlink_sendmsg+0x723/0xbe0 [ 3402.101482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3402.101482][ T10] ___sys_sendmsg+0xee/0x170 [ 3402.101482][ T10] __sys_sendmsg+0xcd/0x170 [ 3402.101482][ T10] do_syscall_64+0xc6/0x1e0 [ 3402.101482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.101482][ T10] [ 3402.103477][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3402.103477][ T10] netdev_get_by_index+0x5e/0x80 [ 3402.103477][ T10] fib6_nh_init+0x3d8/0x1580 [ 3402.103477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3402.103477][ T10] ip6_route_add+0x1c/0x140 [ 3402.103477][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3402.103477][ T10] addrconf_add_dev+0xe2/0x170 [ 3402.103477][ T10] inet6_addr_add+0x12f/0xa40 [ 3402.103477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3402.103477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.103477][ T10] netlink_rcv_skb+0x130/0x360 [ 3402.103477][ T10] netlink_unicast+0x449/0x710 [ 3402.103477][ T10] netlink_sendmsg+0x723/0xbe0 [ 3402.103477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3402.103477][ T10] ___sys_sendmsg+0xee/0x170 [ 3402.103477][ T10] __sys_sendmsg+0xcd/0x170 [ 3402.103477][ T10] do_syscall_64+0xc6/0x1e0 [ 3402.103477][ T10] [ 3402.105433][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3402.105433][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3402.105433][ T10] ipv6_find_idev+0x102/0x170 [ 3402.105433][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3402.105433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.105433][ T10] netlink_rcv_skb+0x130/0x360 [ 3402.105433][ T10] netlink_unicast+0x449/0x710 [ 3402.105433][ T10] netlink_sendmsg+0x723/0xbe0 [ 3402.105433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3402.105433][ T10] ___sys_sendmsg+0xee/0x170 [ 3402.105433][ T10] __sys_sendmsg+0xcd/0x170 [ 3402.105433][ T10] do_syscall_64+0xc6/0x1e0 [ 3402.105433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.105433][ T10] [ 3402.106958][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3402.106958][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3402.106958][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3402.106958][ T10] ipv6_find_idev+0x102/0x170 [ 3402.106958][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3402.106958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.106958][ T10] netlink_rcv_skb+0x130/0x360 [ 3402.106958][ T10] netlink_unicast+0x449/0x710 [ 3402.106958][ T10] netlink_sendmsg+0x723/0xbe0 [ 3402.106958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3402.106958][ T10] ___sys_sendmsg+0xee/0x170 [ 3402.106958][ T10] __sys_sendmsg+0xcd/0x170 [ 3402.106958][ T10] do_syscall_64+0xc6/0x1e0 [ 3402.106958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.106958][ T10] [ 3402.108640][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3402.108879][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3402.108879][ T10] netdev_get_by_index+0x5e/0x80 [ 3402.108879][ T10] fib6_nh_init+0x3d8/0x1580 [ 3402.108879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3402.108879][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3402.108879][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3402.108879][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3402.108879][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3402.108879][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3402.108879][ T10] addrconf_dad_begin+0x310/0x670 [ 3402.108879][ T10] addrconf_dad_work+0x10b/0xab0 [ 3402.108879][ T10] process_one_work+0x84d/0x18a0 [ 3402.108879][ T10] worker_thread+0x587/0xd30 [ 3402.108879][ T10] kthread+0x28a/0x350 [ 3402.108879][ T10] ret_from_fork+0x31/0x70 [ 3402.108879][ T10] ret_from_fork_asm+0x1a/0x30 [ 3402.108879][ T10] [ 3402.110784][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3402.110784][ T10] netdev_get_by_index+0x5e/0x80 [ 3402.110784][ T10] fib6_nh_init+0x3d8/0x1580 [ 3402.110784][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3402.110784][ T10] ip6_route_add+0x1c/0x140 [ 3402.110784][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3402.110784][ T10] inet6_addr_add+0x4f8/0xa40 [ 3402.110784][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3402.110784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.110784][ T10] netlink_rcv_skb+0x130/0x360 [ 3402.110784][ T10] netlink_unicast+0x449/0x710 [ 3402.110784][ T10] netlink_sendmsg+0x723/0xbe0 [ 3402.110784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3402.110784][ T10] ___sys_sendmsg+0xee/0x170 [ 3402.110784][ T10] __sys_sendmsg+0xcd/0x170 [ 3402.110784][ T10] do_syscall_64+0xc6/0x1e0 [ 3402.110784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.110784][ T10] [ 3402.112794][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3402.112794][ T10] netdev_get_by_index+0x5e/0x80 [ 3402.112794][ T10] fib6_nh_init+0x3d8/0x1580 [ 3402.112794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3402.112794][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3402.112794][ T10] ipv6_add_addr+0x411/0x2000 [ 3402.112794][ T10] inet6_addr_add+0x30e/0xa40 [ 3402.112794][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3402.112794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.112794][ T10] netlink_rcv_skb+0x130/0x360 [ 3402.112794][ T10] netlink_unicast+0x449/0x710 [ 3402.112794][ T10] netlink_sendmsg+0x723/0xbe0 [ 3402.112794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3402.112794][ T10] ___sys_sendmsg+0xee/0x170 [ 3402.112794][ T10] __sys_sendmsg+0xcd/0x170 [ 3402.112794][ T10] do_syscall_64+0xc6/0x1e0 [ 3402.112794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.112794][ T10] [ 3402.114793][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3402.114793][ T10] netdev_get_by_index+0x5e/0x80 [ 3402.114793][ T10] fib6_nh_init+0x3d8/0x1580 [ 3402.114793][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3402.114793][ T10] ip6_route_add+0x1c/0x140 [ 3402.114793][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3402.114793][ T10] addrconf_add_dev+0xe2/0x170 [ 3402.114793][ T10] inet6_addr_add+0x12f/0xa40 [ 3402.114793][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3402.114793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.114793][ T10] netlink_rcv_skb+0x130/0x360 [ 3402.114793][ T10] netlink_unicast+0x449/0x710 [ 3402.114793][ T10] netlink_sendmsg+0x723/0xbe0 [ 3402.114793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3402.114793][ T10] ___sys_sendmsg+0xee/0x170 [ 3402.114793][ T10] __sys_sendmsg+0xcd/0x170 [ 3402.114793][ T10] do_syscall_64+0xc6/0x1e0 [ 3402.114793][ T10] [ 3402.116769][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3402.116769][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3402.116769][ T10] ipv6_find_idev+0x102/0x170 [ 3402.116769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3402.116769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.116769][ T10] netlink_rcv_skb+0x130/0x360 [ 3402.116769][ T10] netlink_unicast+0x449/0x710 [ 3402.116769][ T10] netlink_sendmsg+0x723/0xbe0 [ 3402.116769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3402.116769][ T10] ___sys_sendmsg+0xee/0x170 [ 3402.116769][ T10] __sys_sendmsg+0xcd/0x170 [ 3402.116769][ T10] do_syscall_64+0xc6/0x1e0 [ 3402.116769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.116769][ T10] [ 3402.118306][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3402.118306][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3402.118306][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3402.118306][ T10] ipv6_find_idev+0x102/0x170 [ 3402.118306][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3402.118306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.118306][ T10] netlink_rcv_skb+0x130/0x360 [ 3402.118306][ T10] netlink_unicast+0x449/0x710 [ 3402.118306][ T10] netlink_sendmsg+0x723/0xbe0 [ 3402.118306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3402.118306][ T10] ___sys_sendmsg+0xee/0x170 [ 3402.118306][ T10] __sys_sendmsg+0xcd/0x170 [ 3402.118306][ T10] do_syscall_64+0xc6/0x1e0 [ 3402.118306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.118306][ T10] [ 3402.120015][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3402.120261][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3402.120261][ T10] netdev_get_by_index+0x5e/0x80 [ 3402.120261][ T10] fib6_nh_init+0x3d8/0x1580 [ 3402.120261][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3402.120261][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3402.120261][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3402.120261][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3402.120261][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3402.120261][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3402.120261][ T10] addrconf_dad_begin+0x310/0x670 [ 3402.120261][ T10] addrconf_dad_work+0x10b/0xab0 [ 3402.120261][ T10] process_one_work+0x84d/0x18a0 [ 3402.120261][ T10] worker_thread+0x587/0xd30 [ 3402.120261][ T10] kthread+0x28a/0x350 [ 3402.120261][ T10] ret_from_fork+0x31/0x70 [ 3402.120261][ T10] ret_from_fork_asm+0x1a/0x30 [ 3402.120261][ T10] [ 3402.122181][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3402.122181][ T10] netdev_get_by_index+0x5e/0x80 [ 3402.122181][ T10] fib6_nh_init+0x3d8/0x1580 [ 3402.122181][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3402.122181][ T10] ip6_route_add+0x1c/0x140 [ 3402.122181][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3402.122181][ T10] inet6_addr_add+0x4f8/0xa40 [ 3402.122181][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3402.122181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.122181][ T10] netlink_rcv_skb+0x130/0x360 [ 3402.122181][ T10] netlink_unicast+0x449/0x710 [ 3402.122181][ T10] netlink_sendmsg+0x723/0xbe0 [ 3402.122181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3402.122181][ T10] ___sys_sendmsg+0xee/0x170 [ 3402.122181][ T10] __sys_sendmsg+0xcd/0x170 [ 3402.122181][ T10] do_syscall_64+0xc6/0x1e0 [ 3402.122181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.122181][ T10] [ 3402.124466][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3402.124466][ T10] netdev_get_by_index+0x5e/0x80 [ 3402.124466][ T10] fib6_nh_init+0x3d8/0x1580 [ 3402.124466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3402.124466][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3402.124466][ T10] ipv6_add_addr+0x411/0x2000 [ 3402.124466][ T10] inet6_addr_add+0x30e/0xa40 [ 3402.124466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3402.124466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.124466][ T10] netlink_rcv_skb+0x130/0x360 [ 3402.124466][ T10] netlink_unicast+0x449/0x710 [ 3402.124466][ T10] netlink_sendmsg+0x723/0xbe0 [ 3402.124466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3402.124466][ T10] ___sys_sendmsg+0xee/0x170 [ 3402.124466][ T10] __sys_sendmsg+0xcd/0x170 [ 3402.124466][ T10] do_syscall_64+0xc6/0x1e0 [ 3402.124466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.124466][ T10] [ 3402.126697][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3402.126697][ T10] netdev_get_by_index+0x5e/0x80 [ 3402.126697][ T10] fib6_nh_init+0x3d8/0x1580 [ 3402.126697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3402.126697][ T10] ip6_route_add+0x1c/0x140 [ 3402.126697][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3402.126697][ T10] addrconf_add_dev+0xe2/0x170 [ 3402.126697][ T10] inet6_addr_add+0x12f/0xa40 [ 3402.126697][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3402.126697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.126697][ T10] netlink_rcv_skb+0x130/0x360 [ 3402.126697][ T10] netlink_unicast+0x449/0x710 [ 3402.126697][ T10] netlink_sendmsg+0x723/0xbe0 [ 3402.126697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3402.126697][ T10] ___sys_sendmsg+0xee/0x170 [ 3402.126697][ T10] __sys_sendmsg+0xcd/0x170 [ 3402.126697][ T10] do_syscall_64+0xc6/0x1e0 [ 3402.126697][ T10] [ 3402.128892][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3402.128892][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3402.128892][ T10] ipv6_find_idev+0x102/0x170 [ 3402.128892][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3402.128892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.128892][ T10] netlink_rcv_skb+0x130/0x360 [ 3402.128892][ T10] netlink_unicast+0x449/0x710 [ 3402.128892][ T10] netlink_sendmsg+0x723/0xbe0 [ 3402.128892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3402.128892][ T10] ___sys_sendmsg+0xee/0x170 [ 3402.128892][ T10] __sys_sendmsg+0xcd/0x170 [ 3402.128892][ T10] do_syscall_64+0xc6/0x1e0 [ 3402.128892][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.128892][ T10] [ 3402.130675][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3402.130675][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3402.130675][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3402.130675][ T10] ipv6_find_idev+0x102/0x170 [ 3402.130675][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3402.130675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.130675][ T10] netlink_rcv_skb+0x130/0x360 [ 3402.130675][ T10] netlink_unicast+0x449/0x710 [ 3402.130675][ T10] netlink_sendmsg+0x723/0xbe0 [ 3402.130675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3402.130675][ T10] ___sys_sendmsg+0xee/0x170 [ 3402.130675][ T10] __sys_sendmsg+0xcd/0x170 [ 3402.130675][ T10] do_syscall_64+0xc6/0x1e0 [ 3402.130675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.130675][ T10] [ 3402.132554][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3402.132789][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3402.132789][ T10] netdev_get_by_index+0x5e/0x80 [ 3402.132789][ T10] fib6_nh_init+0x3d8/0x1580 [ 3402.132789][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3402.132789][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3402.132789][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3402.132789][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3402.132789][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3402.132789][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3402.132789][ T10] addrconf_dad_begin+0x310/0x670 [ 3402.132789][ T10] addrconf_dad_work+0x10b/0xab0 [ 3402.132789][ T10] process_one_work+0x84d/0x18a0 [ 3402.132789][ T10] worker_thread+0x587/0xd30 [ 3402.132789][ T10] kthread+0x28a/0x350 [ 3402.132789][ T10] ret_from_fork+0x31/0x70 [ 3402.132789][ T10] ret_from_fork_asm+0x1a/0x30 [ 3402.132789][ T10] [ 3402.134940][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3402.134940][ T10] netdev_get_by_index+0x5e/0x80 [ 3402.134940][ T10] fib6_nh_init+0x3d8/0x1580 [ 3402.134940][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3402.134940][ T10] ip6_route_add+0x1c/0x140 [ 3402.134940][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3402.134940][ T10] inet6_addr_add+0x4f8/0xa40 [ 3402.134940][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3402.134940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.134940][ T10] netlink_rcv_skb+0x130/0x360 [ 3402.134940][ T10] netlink_unicast+0x449/0x710 [ 3402.134940][ T10] netlink_sendmsg+0x723/0xbe0 [ 3402.134940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3402.134940][ T10] ___sys_sendmsg+0xee/0x170 [ 3402.134940][ T10] __sys_sendmsg+0xcd/0x170 [ 3402.134940][ T10] do_syscall_64+0xc6/0x1e0 [ 3402.134940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.134940][ T10] [ 3402.137186][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3402.137186][ T10] netdev_get_by_index+0x5e/0x80 [ 3402.137186][ T10] fib6_nh_init+0x3d8/0x1580 [ 3402.137186][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3402.137186][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3402.137186][ T10] ipv6_add_addr+0x411/0x2000 [ 3402.137186][ T10] inet6_addr_add+0x30e/0xa40 [ 3402.137186][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3402.137186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.137186][ T10] netlink_rcv_skb+0x130/0x360 [ 3402.137186][ T10] netlink_unicast+0x449/0x710 [ 3402.137186][ T10] netlink_sendmsg+0x723/0xbe0 [ 3402.137186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3402.137186][ T10] ___sys_sendmsg+0xee/0x170 [ 3402.137186][ T10] __sys_sendmsg+0xcd/0x170 [ 3402.137186][ T10] do_syscall_64+0xc6/0x1e0 [ 3402.137186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.137186][ T10] [ 3402.139425][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3402.139425][ T10] netdev_get_by_index+0x5e/0x80 [ 3402.139425][ T10] fib6_nh_init+0x3d8/0x1580 [ 3402.139425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3402.139425][ T10] ip6_route_add+0x1c/0x140 [ 3402.139425][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3402.139425][ T10] addrconf_add_dev+0xe2/0x170 [ 3402.139425][ T10] inet6_addr_add+0x12f/0xa40 [ 3402.139425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3402.139425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.139425][ T10] netlink_rcv_skb+0x130/0x360 [ 3402.139425][ T10] netlink_unicast+0x449/0x710 [ 3402.139425][ T10] netlink_sendmsg+0x723/0xbe0 [ 3402.139425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3402.139425][ T10] ___sys_sendmsg+0xee/0x170 [ 3402.139425][ T10] __sys_sendmsg+0xcd/0x170 [ 3402.139425][ T10] do_syscall_64+0xc6/0x1e0 [ 3402.139425][ T10] [ 3402.141629][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3402.141629][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3402.141629][ T10] ipv6_find_idev+0x102/0x170 [ 3402.141629][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3402.141629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.141629][ T10] netlink_rcv_skb+0x130/0x360 [ 3402.141629][ T10] netlink_unicast+0x449/0x710 [ 3402.141629][ T10] netlink_sendmsg+0x723/0xbe0 [ 3402.141629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3402.141629][ T10] ___sys_sendmsg+0xee/0x170 [ 3402.141629][ T10] __sys_sendmsg+0xcd/0x170 [ 3402.141629][ T10] do_syscall_64+0xc6/0x1e0 [ 3402.141629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.141629][ T10] [ 3402.143367][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3402.143367][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3402.143367][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3402.143367][ T10] ipv6_find_idev+0x102/0x170 [ 3402.143367][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3402.143367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.143367][ T10] netlink_rcv_skb+0x130/0x360 [ 3402.143367][ T10] netlink_unicast+0x449/0x710 [ 3402.143367][ T10] netlink_sendmsg+0x723/0xbe0 [ 3402.143367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3402.143367][ T10] ___sys_sendmsg+0xee/0x170 [ 3402.143367][ T10] __sys_sendmsg+0xcd/0x170 [ 3402.143367][ T10] do_syscall_64+0xc6/0x1e0 [ 3402.143367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.143367][ T10] [ 3402.329170][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3402.329687][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3402.329687][ T1167] dst_init+0x84/0x4a0 [ 3402.329687][ T1167] dst_alloc+0x97/0x150 [ 3402.329687][ T1167] ip6_dst_alloc+0x23/0x90 [ 3402.329687][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3402.329687][ T1167] ip6_pol_route+0x56f/0x840 [ 3402.329687][ T1167] fib6_rule_lookup+0x334/0x630 [ 3402.329687][ T1167] ip6_route_output_flags+0x259/0x480 [ 3402.329687][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3402.329687][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3402.329687][ T1167] netlink_rcv_skb+0x130/0x360 [ 3402.329687][ T1167] netlink_unicast+0x449/0x710 [ 3402.329687][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3402.329687][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3402.329687][ T1167] ___sys_sendmsg+0xee/0x170 [ 3402.329687][ T1167] __sys_sendmsg+0xcd/0x170 [ 3402.329687][ T1167] do_syscall_64+0xc6/0x1e0 [ 3402.329687][ T1167] [ 3402.331896][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3402.331896][ T1167] netdev_get_by_index+0x5e/0x80 [ 3402.331896][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3402.331896][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3402.331896][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3402.331896][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3402.331896][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3402.331896][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3402.331896][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3402.331896][ T1167] addrconf_dad_begin+0x310/0x670 [ 3402.331896][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3402.331896][ T1167] process_one_work+0x84d/0x18a0 [ 3402.331896][ T1167] worker_thread+0x587/0xd30 [ 3402.331896][ T1167] kthread+0x28a/0x350 [ 3402.331896][ T1167] ret_from_fork+0x31/0x70 [ 3402.331896][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3402.331896][ T1167] [ 3402.334073][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3402.334073][ T1167] netdev_get_by_index+0x5e/0x80 [ 3402.334073][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3402.334073][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3402.334073][ T1167] ip6_route_add+0x1c/0x140 [ 3402.334073][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3402.334073][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3402.334073][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3402.334073][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.334073][ T1167] netlink_rcv_skb+0x130/0x360 [ 3402.334073][ T1167] netlink_unicast+0x449/0x710 [ 3402.334073][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3402.334073][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3402.334073][ T1167] ___sys_sendmsg+0xee/0x170 [ 3402.334073][ T1167] __sys_sendmsg+0xcd/0x170 [ 3402.334073][ T1167] do_syscall_64+0xc6/0x1e0 [ 3402.334073][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.334073][ T1167] [ 3402.336323][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3402.336323][ T1167] netdev_get_by_index+0x5e/0x80 [ 3402.336323][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3402.336323][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3402.336323][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3402.336323][ T1167] ipv6_add_addr+0x411/0x2000 [ 3402.336323][ T1167] inet6_addr_add+0x30e/0xa40 [ 3402.336323][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3402.336323][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.336323][ T1167] netlink_rcv_skb+0x130/0x360 [ 3402.336323][ T1167] netlink_unicast+0x449/0x710 [ 3402.336323][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3402.336323][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3402.336323][ T1167] ___sys_sendmsg+0xee/0x170 [ 3402.336323][ T1167] __sys_sendmsg+0xcd/0x170 [ 3402.336323][ T1167] do_syscall_64+0xc6/0x1e0 [ 3402.336323][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.336323][ T1167] [ 3402.338581][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3402.338581][ T1167] netdev_get_by_index+0x5e/0x80 [ 3402.338581][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3402.338581][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3402.338581][ T1167] ip6_route_add+0x1c/0x140 [ 3402.338581][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3402.338581][ T1167] addrconf_add_dev+0xe2/0x170 [ 3402.338581][ T1167] inet6_addr_add+0x12f/0xa40 [ 3402.338581][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3402.338581][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.338581][ T1167] netlink_rcv_skb+0x130/0x360 [ 3402.338581][ T1167] netlink_unicast+0x449/0x710 [ 3402.338581][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3402.338581][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3402.338581][ T1167] ___sys_sendmsg+0xee/0x170 [ 3402.338581][ T1167] __sys_sendmsg+0xcd/0x170 [ 3402.338581][ T1167] do_syscall_64+0xc6/0x1e0 [ 3402.338581][ T1167] [ 3402.340790][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3402.340790][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3402.340790][ T1167] ipv6_find_idev+0x102/0x170 [ 3402.340790][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3402.340790][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.340790][ T1167] netlink_rcv_skb+0x130/0x360 [ 3402.340790][ T1167] netlink_unicast+0x449/0x710 [ 3402.340790][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3402.340790][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3402.340790][ T1167] ___sys_sendmsg+0xee/0x170 [ 3402.340790][ T1167] __sys_sendmsg+0xcd/0x170 [ 3402.340790][ T1167] do_syscall_64+0xc6/0x1e0 [ 3402.340790][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.340790][ T1167] [ 3402.342540][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3402.342540][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3402.342540][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3402.342540][ T1167] ipv6_find_idev+0x102/0x170 [ 3402.342540][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3402.342540][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.342540][ T1167] netlink_rcv_skb+0x130/0x360 [ 3402.342540][ T1167] netlink_unicast+0x449/0x710 [ 3402.342540][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3402.342540][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3402.342540][ T1167] ___sys_sendmsg+0xee/0x170 [ 3402.342540][ T1167] __sys_sendmsg+0xcd/0x170 [ 3402.342540][ T1167] do_syscall_64+0xc6/0x1e0 [ 3402.342540][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.342540][ T1167] [ 3412.385080][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3412.385561][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3412.385561][ T10] netdev_get_by_index+0x5e/0x80 [ 3412.385561][ T10] fib6_nh_init+0x3d8/0x1580 [ 3412.385561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3412.385561][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3412.385561][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3412.385561][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3412.385561][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3412.385561][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3412.385561][ T10] addrconf_dad_begin+0x310/0x670 [ 3412.385561][ T10] addrconf_dad_work+0x10b/0xab0 [ 3412.385561][ T10] process_one_work+0x84d/0x18a0 [ 3412.385561][ T10] worker_thread+0x587/0xd30 [ 3412.385561][ T10] kthread+0x28a/0x350 [ 3412.385561][ T10] ret_from_fork+0x31/0x70 [ 3412.385561][ T10] ret_from_fork_asm+0x1a/0x30 [ 3412.385561][ T10] [ 3412.388675][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3412.388675][ T10] netdev_get_by_index+0x5e/0x80 [ 3412.388675][ T10] fib6_nh_init+0x3d8/0x1580 [ 3412.388675][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3412.388675][ T10] ip6_route_add+0x1c/0x140 [ 3412.388675][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3412.388675][ T10] inet6_addr_add+0x4f8/0xa40 [ 3412.388675][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3412.388675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.388675][ T10] netlink_rcv_skb+0x130/0x360 [ 3412.388675][ T10] netlink_unicast+0x449/0x710 [ 3412.388675][ T10] netlink_sendmsg+0x723/0xbe0 [ 3412.388675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3412.388675][ T10] ___sys_sendmsg+0xee/0x170 [ 3412.388675][ T10] __sys_sendmsg+0xcd/0x170 [ 3412.388675][ T10] do_syscall_64+0xc6/0x1e0 [ 3412.388675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.388675][ T10] [ 3412.391849][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3412.391849][ T10] netdev_get_by_index+0x5e/0x80 [ 3412.391849][ T10] fib6_nh_init+0x3d8/0x1580 [ 3412.391849][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3412.391849][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3412.391849][ T10] ipv6_add_addr+0x411/0x2000 [ 3412.391849][ T10] inet6_addr_add+0x30e/0xa40 [ 3412.391849][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3412.391849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.391849][ T10] netlink_rcv_skb+0x130/0x360 [ 3412.391849][ T10] netlink_unicast+0x449/0x710 [ 3412.391849][ T10] netlink_sendmsg+0x723/0xbe0 [ 3412.391849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3412.391849][ T10] ___sys_sendmsg+0xee/0x170 [ 3412.391849][ T10] __sys_sendmsg+0xcd/0x170 [ 3412.391849][ T10] do_syscall_64+0xc6/0x1e0 [ 3412.391849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.391849][ T10] [ 3412.394958][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3412.394958][ T10] netdev_get_by_index+0x5e/0x80 [ 3412.394958][ T10] fib6_nh_init+0x3d8/0x1580 [ 3412.394958][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3412.394958][ T10] ip6_route_add+0x1c/0x140 [ 3412.394958][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3412.394958][ T10] addrconf_add_dev+0xe2/0x170 [ 3412.394958][ T10] inet6_addr_add+0x12f/0xa40 [ 3412.394958][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3412.394958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.394958][ T10] netlink_rcv_skb+0x130/0x360 [ 3412.394958][ T10] netlink_unicast+0x449/0x710 [ 3412.394958][ T10] netlink_sendmsg+0x723/0xbe0 [ 3412.394958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3412.394958][ T10] ___sys_sendmsg+0xee/0x170 [ 3412.394958][ T10] __sys_sendmsg+0xcd/0x170 [ 3412.394958][ T10] do_syscall_64+0xc6/0x1e0 [ 3412.394958][ T10] [ 3412.398001][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3412.398001][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3412.398001][ T10] ipv6_find_idev+0x102/0x170 [ 3412.398001][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3412.398001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.398001][ T10] netlink_rcv_skb+0x130/0x360 [ 3412.398001][ T10] netlink_unicast+0x449/0x710 [ 3412.398001][ T10] netlink_sendmsg+0x723/0xbe0 [ 3412.398001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3412.398001][ T10] ___sys_sendmsg+0xee/0x170 [ 3412.398001][ T10] __sys_sendmsg+0xcd/0x170 [ 3412.398001][ T10] do_syscall_64+0xc6/0x1e0 [ 3412.398001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.398001][ T10] [ 3412.400381][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3412.400381][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3412.400381][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3412.400381][ T10] ipv6_find_idev+0x102/0x170 [ 3412.400381][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3412.400381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.400381][ T10] netlink_rcv_skb+0x130/0x360 [ 3412.400381][ T10] netlink_unicast+0x449/0x710 [ 3412.400381][ T10] netlink_sendmsg+0x723/0xbe0 [ 3412.400381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3412.400381][ T10] ___sys_sendmsg+0xee/0x170 [ 3412.400381][ T10] __sys_sendmsg+0xcd/0x170 [ 3412.400381][ T10] do_syscall_64+0xc6/0x1e0 [ 3412.400381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.400381][ T10] [ 3412.402964][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3412.403346][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3412.403346][ T10] netdev_get_by_index+0x5e/0x80 [ 3412.403346][ T10] fib6_nh_init+0x3d8/0x1580 [ 3412.403346][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3412.403346][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3412.403346][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3412.403346][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3412.403346][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3412.403346][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3412.403346][ T10] addrconf_dad_begin+0x310/0x670 [ 3412.403346][ T10] addrconf_dad_work+0x10b/0xab0 [ 3412.403346][ T10] process_one_work+0x84d/0x18a0 [ 3412.403346][ T10] worker_thread+0x587/0xd30 [ 3412.403346][ T10] kthread+0x28a/0x350 [ 3412.403346][ T10] ret_from_fork+0x31/0x70 [ 3412.403346][ T10] ret_from_fork_asm+0x1a/0x30 [ 3412.403346][ T10] [ 3412.406313][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3412.406313][ T10] netdev_get_by_index+0x5e/0x80 [ 3412.406313][ T10] fib6_nh_init+0x3d8/0x1580 [ 3412.406313][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3412.406313][ T10] ip6_route_add+0x1c/0x140 [ 3412.406313][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3412.406313][ T10] inet6_addr_add+0x4f8/0xa40 [ 3412.406313][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3412.406313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.406313][ T10] netlink_rcv_skb+0x130/0x360 [ 3412.406313][ T10] netlink_unicast+0x449/0x710 [ 3412.406313][ T10] netlink_sendmsg+0x723/0xbe0 [ 3412.406313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3412.406313][ T10] ___sys_sendmsg+0xee/0x170 [ 3412.406313][ T10] __sys_sendmsg+0xcd/0x170 [ 3412.406313][ T10] do_syscall_64+0xc6/0x1e0 [ 3412.406313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.406313][ T10] [ 3412.409398][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3412.409398][ T10] netdev_get_by_index+0x5e/0x80 [ 3412.409398][ T10] fib6_nh_init+0x3d8/0x1580 [ 3412.409398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3412.409398][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3412.409398][ T10] ipv6_add_addr+0x411/0x2000 [ 3412.409398][ T10] inet6_addr_add+0x30e/0xa40 [ 3412.409398][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3412.409398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.409398][ T10] netlink_rcv_skb+0x130/0x360 [ 3412.409398][ T10] netlink_unicast+0x449/0x710 [ 3412.409398][ T10] netlink_sendmsg+0x723/0xbe0 [ 3412.409398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3412.409398][ T10] ___sys_sendmsg+0xee/0x170 [ 3412.409398][ T10] __sys_sendmsg+0xcd/0x170 [ 3412.409398][ T10] do_syscall_64+0xc6/0x1e0 [ 3412.409398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.409398][ T10] [ 3412.412438][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3412.412438][ T10] netdev_get_by_index+0x5e/0x80 [ 3412.412438][ T10] fib6_nh_init+0x3d8/0x1580 [ 3412.412438][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3412.412438][ T10] ip6_route_add+0x1c/0x140 [ 3412.412438][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3412.412438][ T10] addrconf_add_dev+0xe2/0x170 [ 3412.412438][ T10] inet6_addr_add+0x12f/0xa40 [ 3412.412438][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3412.412438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.412438][ T10] netlink_rcv_skb+0x130/0x360 [ 3412.412438][ T10] netlink_unicast+0x449/0x710 [ 3412.412438][ T10] netlink_sendmsg+0x723/0xbe0 [ 3412.412438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3412.412438][ T10] ___sys_sendmsg+0xee/0x170 [ 3412.412438][ T10] __sys_sendmsg+0xcd/0x170 [ 3412.412438][ T10] do_syscall_64+0xc6/0x1e0 [ 3412.412438][ T10] [ 3412.415472][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3412.415472][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3412.415472][ T10] ipv6_find_idev+0x102/0x170 [ 3412.415472][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3412.415472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.415472][ T10] netlink_rcv_skb+0x130/0x360 [ 3412.415472][ T10] netlink_unicast+0x449/0x710 [ 3412.415472][ T10] netlink_sendmsg+0x723/0xbe0 [ 3412.415472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3412.415472][ T10] ___sys_sendmsg+0xee/0x170 [ 3412.415472][ T10] __sys_sendmsg+0xcd/0x170 [ 3412.415472][ T10] do_syscall_64+0xc6/0x1e0 [ 3412.415472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.415472][ T10] [ 3412.417726][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3412.417726][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3412.417726][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3412.417726][ T10] ipv6_find_idev+0x102/0x170 [ 3412.417726][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3412.417726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.417726][ T10] netlink_rcv_skb+0x130/0x360 [ 3412.417726][ T10] netlink_unicast+0x449/0x710 [ 3412.417726][ T10] netlink_sendmsg+0x723/0xbe0 [ 3412.417726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3412.417726][ T10] ___sys_sendmsg+0xee/0x170 [ 3412.417726][ T10] __sys_sendmsg+0xcd/0x170 [ 3412.417726][ T10] do_syscall_64+0xc6/0x1e0 [ 3412.417726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.417726][ T10] [ 3412.420357][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3412.420724][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3412.420724][ T10] netdev_get_by_index+0x5e/0x80 [ 3412.420724][ T10] fib6_nh_init+0x3d8/0x1580 [ 3412.420724][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3412.420724][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3412.420724][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3412.420724][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3412.420724][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3412.420724][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3412.420724][ T10] addrconf_dad_begin+0x310/0x670 [ 3412.420724][ T10] addrconf_dad_work+0x10b/0xab0 [ 3412.420724][ T10] process_one_work+0x84d/0x18a0 [ 3412.420724][ T10] worker_thread+0x587/0xd30 [ 3412.420724][ T10] kthread+0x28a/0x350 [ 3412.420724][ T10] ret_from_fork+0x31/0x70 [ 3412.420724][ T10] ret_from_fork_asm+0x1a/0x30 [ 3412.420724][ T10] [ 3412.423688][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3412.423688][ T10] netdev_get_by_index+0x5e/0x80 [ 3412.423688][ T10] fib6_nh_init+0x3d8/0x1580 [ 3412.423688][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3412.423688][ T10] ip6_route_add+0x1c/0x140 [ 3412.423688][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3412.423688][ T10] inet6_addr_add+0x4f8/0xa40 [ 3412.423688][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3412.423688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.423688][ T10] netlink_rcv_skb+0x130/0x360 [ 3412.423688][ T10] netlink_unicast+0x449/0x710 [ 3412.423688][ T10] netlink_sendmsg+0x723/0xbe0 [ 3412.423688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3412.423688][ T10] ___sys_sendmsg+0xee/0x170 [ 3412.423688][ T10] __sys_sendmsg+0xcd/0x170 [ 3412.423688][ T10] do_syscall_64+0xc6/0x1e0 [ 3412.423688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.423688][ T10] [ 3412.426984][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3412.426984][ T10] netdev_get_by_index+0x5e/0x80 [ 3412.426984][ T10] fib6_nh_init+0x3d8/0x1580 [ 3412.426984][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3412.426984][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3412.426984][ T10] ipv6_add_addr+0x411/0x2000 [ 3412.426984][ T10] inet6_addr_add+0x30e/0xa40 [ 3412.426984][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3412.426984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.426984][ T10] netlink_rcv_skb+0x130/0x360 [ 3412.426984][ T10] netlink_unicast+0x449/0x710 [ 3412.426984][ T10] netlink_sendmsg+0x723/0xbe0 [ 3412.426984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3412.426984][ T10] ___sys_sendmsg+0xee/0x170 [ 3412.426984][ T10] __sys_sendmsg+0xcd/0x170 [ 3412.426984][ T10] do_syscall_64+0xc6/0x1e0 [ 3412.426984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.426984][ T10] [ 3412.430283][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3412.430283][ T10] netdev_get_by_index+0x5e/0x80 [ 3412.430283][ T10] fib6_nh_init+0x3d8/0x1580 [ 3412.430283][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3412.430283][ T10] ip6_route_add+0x1c/0x140 [ 3412.430283][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3412.430283][ T10] addrconf_add_dev+0xe2/0x170 [ 3412.430283][ T10] inet6_addr_add+0x12f/0xa40 [ 3412.430283][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3412.430283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.430283][ T10] netlink_rcv_skb+0x130/0x360 [ 3412.430283][ T10] netlink_unicast+0x449/0x710 [ 3412.430283][ T10] netlink_sendmsg+0x723/0xbe0 [ 3412.430283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3412.430283][ T10] ___sys_sendmsg+0xee/0x170 [ 3412.430283][ T10] __sys_sendmsg+0xcd/0x170 [ 3412.430283][ T10] do_syscall_64+0xc6/0x1e0 [ 3412.430283][ T10] [ 3412.433568][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3412.433568][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3412.433568][ T10] ipv6_find_idev+0x102/0x170 [ 3412.433568][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3412.433568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.433568][ T10] netlink_rcv_skb+0x130/0x360 [ 3412.433568][ T10] netlink_unicast+0x449/0x710 [ 3412.433568][ T10] netlink_sendmsg+0x723/0xbe0 [ 3412.433568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3412.433568][ T10] ___sys_sendmsg+0xee/0x170 [ 3412.433568][ T10] __sys_sendmsg+0xcd/0x170 [ 3412.433568][ T10] do_syscall_64+0xc6/0x1e0 [ 3412.433568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.433568][ T10] [ 3412.436208][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3412.436208][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3412.436208][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3412.436208][ T10] ipv6_find_idev+0x102/0x170 [ 3412.436208][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3412.436208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.436208][ T10] netlink_rcv_skb+0x130/0x360 [ 3412.436208][ T10] netlink_unicast+0x449/0x710 [ 3412.436208][ T10] netlink_sendmsg+0x723/0xbe0 [ 3412.436208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3412.436208][ T10] ___sys_sendmsg+0xee/0x170 [ 3412.436208][ T10] __sys_sendmsg+0xcd/0x170 [ 3412.436208][ T10] do_syscall_64+0xc6/0x1e0 [ 3412.436208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.436208][ T10] [ 3412.438905][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3412.439347][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3412.439347][ T10] netdev_get_by_index+0x5e/0x80 [ 3412.439347][ T10] fib6_nh_init+0x3d8/0x1580 [ 3412.439347][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3412.439347][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3412.439347][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3412.439347][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3412.439347][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3412.439347][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3412.439347][ T10] addrconf_dad_begin+0x310/0x670 [ 3412.439347][ T10] addrconf_dad_work+0x10b/0xab0 [ 3412.439347][ T10] process_one_work+0x84d/0x18a0 [ 3412.439347][ T10] worker_thread+0x587/0xd30 [ 3412.439347][ T10] kthread+0x28a/0x350 [ 3412.439347][ T10] ret_from_fork+0x31/0x70 [ 3412.439347][ T10] ret_from_fork_asm+0x1a/0x30 [ 3412.439347][ T10] [ 3412.442489][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3412.442489][ T10] netdev_get_by_index+0x5e/0x80 [ 3412.442489][ T10] fib6_nh_init+0x3d8/0x1580 [ 3412.442489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3412.442489][ T10] ip6_route_add+0x1c/0x140 [ 3412.442489][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3412.442489][ T10] inet6_addr_add+0x4f8/0xa40 [ 3412.442489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3412.442489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.442489][ T10] netlink_rcv_skb+0x130/0x360 [ 3412.442489][ T10] netlink_unicast+0x449/0x710 [ 3412.442489][ T10] netlink_sendmsg+0x723/0xbe0 [ 3412.442489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3412.442489][ T10] ___sys_sendmsg+0xee/0x170 [ 3412.442489][ T10] __sys_sendmsg+0xcd/0x170 [ 3412.442489][ T10] do_syscall_64+0xc6/0x1e0 [ 3412.442489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.442489][ T10] [ 3412.445750][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3412.445750][ T10] netdev_get_by_index+0x5e/0x80 [ 3412.445750][ T10] fib6_nh_init+0x3d8/0x1580 [ 3412.445750][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3412.445750][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3412.445750][ T10] ipv6_add_addr+0x411/0x2000 [ 3412.445750][ T10] inet6_addr_add+0x30e/0xa40 [ 3412.445750][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3412.445750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.445750][ T10] netlink_rcv_skb+0x130/0x360 [ 3412.445750][ T10] netlink_unicast+0x449/0x710 [ 3412.445750][ T10] netlink_sendmsg+0x723/0xbe0 [ 3412.445750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3412.445750][ T10] ___sys_sendmsg+0xee/0x170 [ 3412.445750][ T10] __sys_sendmsg+0xcd/0x170 [ 3412.445750][ T10] do_syscall_64+0xc6/0x1e0 [ 3412.445750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.445750][ T10] [ 3412.449358][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3412.449358][ T10] netdev_get_by_index+0x5e/0x80 [ 3412.449358][ T10] fib6_nh_init+0x3d8/0x1580 [ 3412.449358][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3412.449358][ T10] ip6_route_add+0x1c/0x140 [ 3412.449358][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3412.449358][ T10] addrconf_add_dev+0xe2/0x170 [ 3412.449358][ T10] inet6_addr_add+0x12f/0xa40 [ 3412.449358][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3412.449358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.449358][ T10] netlink_rcv_skb+0x130/0x360 [ 3412.449358][ T10] netlink_unicast+0x449/0x710 [ 3412.449358][ T10] netlink_sendmsg+0x723/0xbe0 [ 3412.449358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3412.449358][ T10] ___sys_sendmsg+0xee/0x170 [ 3412.449358][ T10] __sys_sendmsg+0xcd/0x170 [ 3412.449358][ T10] do_syscall_64+0xc6/0x1e0 [ 3412.449358][ T10] [ 3412.452837][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3412.452837][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3412.452837][ T10] ipv6_find_idev+0x102/0x170 [ 3412.452837][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3412.452837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.452837][ T10] netlink_rcv_skb+0x130/0x360 [ 3412.452837][ T10] netlink_unicast+0x449/0x710 [ 3412.452837][ T10] netlink_sendmsg+0x723/0xbe0 [ 3412.452837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3412.452837][ T10] ___sys_sendmsg+0xee/0x170 [ 3412.452837][ T10] __sys_sendmsg+0xcd/0x170 [ 3412.452837][ T10] do_syscall_64+0xc6/0x1e0 [ 3412.452837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.452837][ T10] [ 3412.455544][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3412.455544][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3412.455544][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3412.455544][ T10] ipv6_find_idev+0x102/0x170 [ 3412.455544][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3412.455544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.455544][ T10] netlink_rcv_skb+0x130/0x360 [ 3412.455544][ T10] netlink_unicast+0x449/0x710 [ 3412.455544][ T10] netlink_sendmsg+0x723/0xbe0 [ 3412.455544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3412.455544][ T10] ___sys_sendmsg+0xee/0x170 [ 3412.455544][ T10] __sys_sendmsg+0xcd/0x170 [ 3412.455544][ T10] do_syscall_64+0xc6/0x1e0 [ 3412.455544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.455544][ T10] [ 3412.593255][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3412.593739][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3412.593739][ T1167] dst_init+0x84/0x4a0 [ 3412.593739][ T1167] dst_alloc+0x97/0x150 [ 3412.593739][ T1167] ip6_dst_alloc+0x23/0x90 [ 3412.593739][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3412.593739][ T1167] ip6_pol_route+0x56f/0x840 [ 3412.593739][ T1167] fib6_rule_lookup+0x334/0x630 [ 3412.593739][ T1167] ip6_route_output_flags+0x259/0x480 [ 3412.593739][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3412.593739][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3412.593739][ T1167] netlink_rcv_skb+0x130/0x360 [ 3412.593739][ T1167] netlink_unicast+0x449/0x710 [ 3412.593739][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3412.593739][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3412.593739][ T1167] ___sys_sendmsg+0xee/0x170 [ 3412.593739][ T1167] __sys_sendmsg+0xcd/0x170 [ 3412.593739][ T1167] do_syscall_64+0xc6/0x1e0 [ 3412.593739][ T1167] [ 3412.595967][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3412.595967][ T1167] netdev_get_by_index+0x5e/0x80 [ 3412.595967][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3412.595967][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3412.595967][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3412.595967][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3412.595967][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3412.595967][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3412.595967][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3412.595967][ T1167] addrconf_dad_begin+0x310/0x670 [ 3412.595967][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3412.595967][ T1167] process_one_work+0x84d/0x18a0 [ 3412.595967][ T1167] worker_thread+0x587/0xd30 [ 3412.595967][ T1167] kthread+0x28a/0x350 [ 3412.595967][ T1167] ret_from_fork+0x31/0x70 [ 3412.595967][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3412.595967][ T1167] [ 3412.598159][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3412.598159][ T1167] netdev_get_by_index+0x5e/0x80 [ 3412.598159][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3412.598159][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3412.598159][ T1167] ip6_route_add+0x1c/0x140 [ 3412.598159][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3412.598159][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3412.598159][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3412.598159][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.598159][ T1167] netlink_rcv_skb+0x130/0x360 [ 3412.598159][ T1167] netlink_unicast+0x449/0x710 [ 3412.598159][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3412.598159][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3412.598159][ T1167] ___sys_sendmsg+0xee/0x170 [ 3412.598159][ T1167] __sys_sendmsg+0xcd/0x170 [ 3412.598159][ T1167] do_syscall_64+0xc6/0x1e0 [ 3412.598159][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.598159][ T1167] [ 3412.600393][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3412.600393][ T1167] netdev_get_by_index+0x5e/0x80 [ 3412.600393][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3412.600393][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3412.600393][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3412.600393][ T1167] ipv6_add_addr+0x411/0x2000 [ 3412.600393][ T1167] inet6_addr_add+0x30e/0xa40 [ 3412.600393][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3412.600393][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.600393][ T1167] netlink_rcv_skb+0x130/0x360 [ 3412.600393][ T1167] netlink_unicast+0x449/0x710 [ 3412.600393][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3412.600393][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3412.600393][ T1167] ___sys_sendmsg+0xee/0x170 [ 3412.600393][ T1167] __sys_sendmsg+0xcd/0x170 [ 3412.600393][ T1167] do_syscall_64+0xc6/0x1e0 [ 3412.600393][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.600393][ T1167] [ 3412.602640][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3412.602640][ T1167] netdev_get_by_index+0x5e/0x80 [ 3412.602640][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3412.602640][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3412.602640][ T1167] ip6_route_add+0x1c/0x140 [ 3412.602640][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3412.602640][ T1167] addrconf_add_dev+0xe2/0x170 [ 3412.602640][ T1167] inet6_addr_add+0x12f/0xa40 [ 3412.602640][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3412.602640][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.602640][ T1167] netlink_rcv_skb+0x130/0x360 [ 3412.602640][ T1167] netlink_unicast+0x449/0x710 [ 3412.602640][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3412.602640][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3412.602640][ T1167] ___sys_sendmsg+0xee/0x170 [ 3412.602640][ T1167] __sys_sendmsg+0xcd/0x170 [ 3412.602640][ T1167] do_syscall_64+0xc6/0x1e0 [ 3412.602640][ T1167] [ 3412.604850][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3412.604850][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3412.604850][ T1167] ipv6_find_idev+0x102/0x170 [ 3412.604850][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3412.604850][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.604850][ T1167] netlink_rcv_skb+0x130/0x360 [ 3412.604850][ T1167] netlink_unicast+0x449/0x710 [ 3412.604850][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3412.604850][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3412.604850][ T1167] ___sys_sendmsg+0xee/0x170 [ 3412.604850][ T1167] __sys_sendmsg+0xcd/0x170 [ 3412.604850][ T1167] do_syscall_64+0xc6/0x1e0 [ 3412.604850][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.604850][ T1167] [ 3412.606571][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3412.606571][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3412.606571][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3412.606571][ T1167] ipv6_find_idev+0x102/0x170 [ 3412.606571][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3412.606571][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.606571][ T1167] netlink_rcv_skb+0x130/0x360 [ 3412.606571][ T1167] netlink_unicast+0x449/0x710 [ 3412.606571][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3412.606571][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3412.606571][ T1167] ___sys_sendmsg+0xee/0x170 [ 3412.606571][ T1167] __sys_sendmsg+0xcd/0x170 [ 3412.606571][ T1167] do_syscall_64+0xc6/0x1e0 [ 3412.606571][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.606571][ T1167] [ 3422.697128][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3422.697546][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3422.697546][ T10] netdev_get_by_index+0x5e/0x80 [ 3422.697546][ T10] fib6_nh_init+0x3d8/0x1580 [ 3422.697546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3422.697546][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3422.697546][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3422.697546][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3422.697546][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3422.697546][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3422.697546][ T10] addrconf_dad_begin+0x310/0x670 [ 3422.697546][ T10] addrconf_dad_work+0x10b/0xab0 [ 3422.697546][ T10] process_one_work+0x84d/0x18a0 [ 3422.697546][ T10] worker_thread+0x587/0xd30 [ 3422.697546][ T10] kthread+0x28a/0x350 [ 3422.697546][ T10] ret_from_fork+0x31/0x70 [ 3422.697546][ T10] ret_from_fork_asm+0x1a/0x30 [ 3422.697546][ T10] [ 3422.699514][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3422.699514][ T10] netdev_get_by_index+0x5e/0x80 [ 3422.699514][ T10] fib6_nh_init+0x3d8/0x1580 [ 3422.699514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3422.699514][ T10] ip6_route_add+0x1c/0x140 [ 3422.699514][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3422.699514][ T10] inet6_addr_add+0x4f8/0xa40 [ 3422.699514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3422.699514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3422.699514][ T10] netlink_rcv_skb+0x130/0x360 [ 3422.699514][ T10] netlink_unicast+0x449/0x710 [ 3422.699514][ T10] netlink_sendmsg+0x723/0xbe0 [ 3422.699514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3422.699514][ T10] ___sys_sendmsg+0xee/0x170 [ 3422.699514][ T10] __sys_sendmsg+0xcd/0x170 [ 3422.699514][ T10] do_syscall_64+0xc6/0x1e0 [ 3422.699514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3422.699514][ T10] [ 3422.701544][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3422.701544][ T10] netdev_get_by_index+0x5e/0x80 [ 3422.701544][ T10] fib6_nh_init+0x3d8/0x1580 [ 3422.701544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3422.701544][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3422.701544][ T10] ipv6_add_addr+0x411/0x2000 [ 3422.701544][ T10] inet6_addr_add+0x30e/0xa40 [ 3422.701544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3422.701544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3422.701544][ T10] netlink_rcv_skb+0x130/0x360 [ 3422.701544][ T10] netlink_unicast+0x449/0x710 [ 3422.701544][ T10] netlink_sendmsg+0x723/0xbe0 [ 3422.701544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3422.701544][ T10] ___sys_sendmsg+0xee/0x170 [ 3422.701544][ T10] __sys_sendmsg+0xcd/0x170 [ 3422.701544][ T10] do_syscall_64+0xc6/0x1e0 [ 3422.701544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3422.701544][ T10] [ 3422.703548][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3422.703548][ T10] netdev_get_by_index+0x5e/0x80 [ 3422.703548][ T10] fib6_nh_init+0x3d8/0x1580 [ 3422.703548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3422.703548][ T10] ip6_route_add+0x1c/0x140 [ 3422.703548][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3422.703548][ T10] addrconf_add_dev+0xe2/0x170 [ 3422.703548][ T10] inet6_addr_add+0x12f/0xa40 [ 3422.703548][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3422.703548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3422.703548][ T10] netlink_rcv_skb+0x130/0x360 [ 3422.703548][ T10] netlink_unicast+0x449/0x710 [ 3422.703548][ T10] netlink_sendmsg+0x723/0xbe0 [ 3422.703548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3422.703548][ T10] ___sys_sendmsg+0xee/0x170 [ 3422.703548][ T10] __sys_sendmsg+0xcd/0x170 [ 3422.703548][ T10] do_syscall_64+0xc6/0x1e0 [ 3422.703548][ T10] [ 3422.705513][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3422.705513][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3422.705513][ T10] ipv6_find_idev+0x102/0x170 [ 3422.705513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3422.705513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3422.705513][ T10] netlink_rcv_skb+0x130/0x360 [ 3422.705513][ T10] netlink_unicast+0x449/0x710 [ 3422.705513][ T10] netlink_sendmsg+0x723/0xbe0 [ 3422.705513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3422.705513][ T10] ___sys_sendmsg+0xee/0x170 [ 3422.705513][ T10] __sys_sendmsg+0xcd/0x170 [ 3422.705513][ T10] do_syscall_64+0xc6/0x1e0 [ 3422.705513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3422.705513][ T10] [ 3422.707050][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3422.707050][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3422.707050][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3422.707050][ T10] ipv6_find_idev+0x102/0x170 [ 3422.707050][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3422.707050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3422.707050][ T10] netlink_rcv_skb+0x130/0x360 [ 3422.707050][ T10] netlink_unicast+0x449/0x710 [ 3422.707050][ T10] netlink_sendmsg+0x723/0xbe0 [ 3422.707050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3422.707050][ T10] ___sys_sendmsg+0xee/0x170 [ 3422.707050][ T10] __sys_sendmsg+0xcd/0x170 [ 3422.707050][ T10] do_syscall_64+0xc6/0x1e0 [ 3422.707050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3422.707050][ T10] [ 3422.708737][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3422.708979][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3422.708979][ T10] netdev_get_by_index+0x5e/0x80 [ 3422.708979][ T10] fib6_nh_init+0x3d8/0x1580 [ 3422.708979][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3422.708979][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3422.708979][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3422.708979][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3422.708979][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3422.708979][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3422.708979][ T10] addrconf_dad_begin+0x310/0x670 [ 3422.708979][ T10] addrconf_dad_work+0x10b/0xab0 [ 3422.708979][ T10] process_one_work+0x84d/0x18a0 [ 3422.708979][ T10] worker_thread+0x587/0xd30 [ 3422.708979][ T10] kthread+0x28a/0x350 [ 3422.708979][ T10] ret_from_fork+0x31/0x70 [ 3422.708979][ T10] ret_from_fork_asm+0x1a/0x30 [ 3422.708979][ T10] [ 3422.710884][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3422.710884][ T10] netdev_get_by_index+0x5e/0x80 [ 3422.710884][ T10] fib6_nh_init+0x3d8/0x1580 [ 3422.710884][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3422.710884][ T10] ip6_route_add+0x1c/0x140 [ 3422.710884][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3422.710884][ T10] inet6_addr_add+0x4f8/0xa40 [ 3422.710884][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3422.710884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3422.710884][ T10] netlink_rcv_skb+0x130/0x360 [ 3422.710884][ T10] netlink_unicast+0x449/0x710 [ 3422.710884][ T10] netlink_sendmsg+0x723/0xbe0 [ 3422.710884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3422.710884][ T10] ___sys_sendmsg+0xee/0x170 [ 3422.710884][ T10] __sys_sendmsg+0xcd/0x170 [ 3422.710884][ T10] do_syscall_64+0xc6/0x1e0 [ 3422.710884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3422.710884][ T10] [ 3422.712920][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3422.712920][ T10] netdev_get_by_index+0x5e/0x80 [ 3422.712920][ T10] fib6_nh_init+0x3d8/0x1580 [ 3422.712920][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3422.712920][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3422.712920][ T10] ipv6_add_addr+0x411/0x2000 [ 3422.712920][ T10] inet6_addr_add+0x30e/0xa40 [ 3422.712920][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3422.712920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3422.712920][ T10] netlink_rcv_skb+0x130/0x360 [ 3422.712920][ T10] netlink_unicast+0x449/0x710 [ 3422.712920][ T10] netlink_sendmsg+0x723/0xbe0 [ 3422.712920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3422.712920][ T10] ___sys_sendmsg+0xee/0x170 [ 3422.712920][ T10] __sys_sendmsg+0xcd/0x170 [ 3422.712920][ T10] do_syscall_64+0xc6/0x1e0 [ 3422.712920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3422.712920][ T10] [ 3422.714912][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3422.714912][ T10] netdev_get_by_index+0x5e/0x80 [ 3422.714912][ T10] fib6_nh_init+0x3d8/0x1580 [ 3422.714912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3422.714912][ T10] ip6_route_add+0x1c/0x140 [ 3422.714912][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3422.714912][ T10] addrconf_add_dev+0xe2/0x170 [ 3422.714912][ T10] inet6_addr_add+0x12f/0xa40 [ 3422.714912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3422.714912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3422.714912][ T10] netlink_rcv_skb+0x130/0x360 [ 3422.714912][ T10] netlink_unicast+0x449/0x710 [ 3422.714912][ T10] netlink_sendmsg+0x723/0xbe0 [ 3422.714912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3422.714912][ T10] ___sys_sendmsg+0xee/0x170 [ 3422.714912][ T10] __sys_sendmsg+0xcd/0x170 [ 3422.714912][ T10] do_syscall_64+0xc6/0x1e0 [ 3422.714912][ T10] [ 3422.716920][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3422.716920][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3422.716920][ T10] ipv6_find_idev+0x102/0x170 [ 3422.716920][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3422.716920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3422.716920][ T10] netlink_rcv_skb+0x130/0x360 [ 3422.716920][ T10] netlink_unicast+0x449/0x710 [ 3422.716920][ T10] netlink_sendmsg+0x723/0xbe0 [ 3422.716920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3422.716920][ T10] ___sys_sendmsg+0xee/0x170 [ 3422.716920][ T10] __sys_sendmsg+0xcd/0x170 [ 3422.716920][ T10] do_syscall_64+0xc6/0x1e0 [ 3422.716920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3422.716920][ T10] [ 3422.718471][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3422.718471][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3422.718471][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3422.718471][ T10] ipv6_find_idev+0x102/0x170 [ 3422.718471][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3422.718471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3422.718471][ T10] netlink_rcv_skb+0x130/0x360 [ 3422.718471][ T10] netlink_unicast+0x449/0x710 [ 3422.718471][ T10] netlink_sendmsg+0x723/0xbe0 [ 3422.718471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3422.718471][ T10] ___sys_sendmsg+0xee/0x170 [ 3422.718471][ T10] __sys_sendmsg+0xcd/0x170 [ 3422.718471][ T10] do_syscall_64+0xc6/0x1e0 [ 3422.718471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3422.718471][ T10] [ 3422.720177][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3422.720447][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3422.720447][ T10] netdev_get_by_index+0x5e/0x80 [ 3422.720447][ T10] fib6_nh_init+0x3d8/0x1580 [ 3422.720447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3422.720447][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3422.720447][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3422.720447][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3422.720447][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3422.720447][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3422.720447][ T10] addrconf_dad_begin+0x310/0x670 [ 3422.720447][ T10] addrconf_dad_work+0x10b/0xab0 [ 3422.720447][ T10] process_one_work+0x84d/0x18a0 [ 3422.720447][ T10] worker_thread+0x587/0xd30 [ 3422.720447][ T10] kthread+0x28a/0x350 [ 3422.720447][ T10] ret_from_fork+0x31/0x70 [ 3422.720447][ T10] ret_from_fork_asm+0x1a/0x30 [ 3422.720447][ T10] [ 3422.722403][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3422.722403][ T10] netdev_get_by_index+0x5e/0x80 [ 3422.722403][ T10] fib6_nh_init+0x3d8/0x1580 [ 3422.722403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3422.722403][ T10] ip6_route_add+0x1c/0x140 [ 3422.722403][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3422.722403][ T10] inet6_addr_add+0x4f8/0xa40 [ 3422.722403][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3422.722403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3422.722403][ T10] netlink_rcv_skb+0x130/0x360 [ 3422.722403][ T10] netlink_unicast+0x449/0x710 [ 3422.722403][ T10] netlink_sendmsg+0x723/0xbe0 [ 3422.722403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3422.722403][ T10] ___sys_sendmsg+0xee/0x170 [ 3422.722403][ T10] __sys_sendmsg+0xcd/0x170 [ 3422.722403][ T10] do_syscall_64+0xc6/0x1e0 [ 3422.722403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3422.722403][ T10] [ 3422.724648][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3422.724648][ T10] netdev_get_by_index+0x5e/0x80 [ 3422.724648][ T10] fib6_nh_init+0x3d8/0x1580 [ 3422.724648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3422.724648][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3422.724648][ T10] ipv6_add_addr+0x411/0x2000 [ 3422.724648][ T10] inet6_addr_add+0x30e/0xa40 [ 3422.724648][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3422.724648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3422.724648][ T10] netlink_rcv_skb+0x130/0x360 [ 3422.724648][ T10] netlink_unicast+0x449/0x710 [ 3422.724648][ T10] netlink_sendmsg+0x723/0xbe0 [ 3422.724648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3422.724648][ T10] ___sys_sendmsg+0xee/0x170 [ 3422.724648][ T10] __sys_sendmsg+0xcd/0x170 [ 3422.724648][ T10] do_syscall_64+0xc6/0x1e0 [ 3422.724648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3422.724648][ T10] [ 3422.726978][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3422.726978][ T10] netdev_get_by_index+0x5e/0x80 [ 3422.726978][ T10] fib6_nh_init+0x3d8/0x1580 [ 3422.726978][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3422.726978][ T10] ip6_route_add+0x1c/0x140 [ 3422.726978][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3422.726978][ T10] addrconf_add_dev+0xe2/0x170 [ 3422.726978][ T10] inet6_addr_add+0x12f/0xa40 [ 3422.726978][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3422.726978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3422.726978][ T10] netlink_rcv_skb+0x130/0x360 [ 3422.726978][ T10] netlink_unicast+0x449/0x710 [ 3422.726978][ T10] netlink_sendmsg+0x723/0xbe0 [ 3422.726978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3422.726978][ T10] ___sys_sendmsg+0xee/0x170 [ 3422.726978][ T10] __sys_sendmsg+0xcd/0x170 [ 3422.726978][ T10] do_syscall_64+0xc6/0x1e0 [ 3422.726978][ T10] [ 3422.729230][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3422.729230][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3422.729230][ T10] ipv6_find_idev+0x102/0x170 [ 3422.729230][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3422.729230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3422.729230][ T10] netlink_rcv_skb+0x130/0x360 [ 3422.729230][ T10] netlink_unicast+0x449/0x710 [ 3422.729230][ T10] netlink_sendmsg+0x723/0xbe0 [ 3422.729230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3422.729230][ T10] ___sys_sendmsg+0xee/0x170 [ 3422.729230][ T10] __sys_sendmsg+0xcd/0x170 [ 3422.729230][ T10] do_syscall_64+0xc6/0x1e0 [ 3422.729230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3422.729230][ T10] [ 3422.730977][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3422.730977][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3422.730977][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3422.730977][ T10] ipv6_find_idev+0x102/0x170 [ 3422.730977][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3422.730977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3422.730977][ T10] netlink_rcv_skb+0x130/0x360 [ 3422.730977][ T10] netlink_unicast+0x449/0x710 [ 3422.730977][ T10] netlink_sendmsg+0x723/0xbe0 [ 3422.730977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3422.730977][ T10] ___sys_sendmsg+0xee/0x170 [ 3422.730977][ T10] __sys_sendmsg+0xcd/0x170 [ 3422.730977][ T10] do_syscall_64+0xc6/0x1e0 [ 3422.730977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3422.730977][ T10] [ 3422.732890][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3422.733569][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3422.733569][ T10] netdev_get_by_index+0x5e/0x80 [ 3422.733569][ T10] fib6_nh_init+0x3d8/0x1580 [ 3422.733569][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3422.733569][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3422.733569][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3422.733569][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3422.733569][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3422.733569][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3422.733569][ T10] addrconf_dad_begin+0x310/0x670 [ 3422.733569][ T10] addrconf_dad_work+0x10b/0xab0 [ 3422.733569][ T10] process_one_work+0x84d/0x18a0 [ 3422.733569][ T10] worker_thread+0x587/0xd30 [ 3422.733569][ T10] kthread+0x28a/0x350 [ 3422.733569][ T10] ret_from_fork+0x31/0x70 [ 3422.733569][ T10] ret_from_fork_asm+0x1a/0x30 [ 3422.733569][ T10] [ 3422.735506][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3422.735506][ T10] netdev_get_by_index+0x5e/0x80 [ 3422.735506][ T10] fib6_nh_init+0x3d8/0x1580 [ 3422.735506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3422.735506][ T10] ip6_route_add+0x1c/0x140 [ 3422.735506][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3422.735506][ T10] inet6_addr_add+0x4f8/0xa40 [ 3422.735506][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3422.735506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3422.735506][ T10] netlink_rcv_skb+0x130/0x360 [ 3422.735506][ T10] netlink_unicast+0x449/0x710 [ 3422.735506][ T10] netlink_sendmsg+0x723/0xbe0 [ 3422.735506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3422.735506][ T10] ___sys_sendmsg+0xee/0x170 [ 3422.735506][ T10] __sys_sendmsg+0xcd/0x170 [ 3422.735506][ T10] do_syscall_64+0xc6/0x1e0 [ 3422.735506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3422.735506][ T10] [ 3422.737672][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3422.737672][ T10] netdev_get_by_index+0x5e/0x80 [ 3422.737672][ T10] fib6_nh_init+0x3d8/0x1580 [ 3422.737672][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3422.737672][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3422.737672][ T10] ipv6_add_addr+0x411/0x2000 [ 3422.737672][ T10] inet6_addr_add+0x30e/0xa40 [ 3422.737672][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3422.737672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3422.737672][ T10] netlink_rcv_skb+0x130/0x360 [ 3422.737672][ T10] netlink_unicast+0x449/0x710 [ 3422.737672][ T10] netlink_sendmsg+0x723/0xbe0 [ 3422.737672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3422.737672][ T10] ___sys_sendmsg+0xee/0x170 [ 3422.737672][ T10] __sys_sendmsg+0xcd/0x170 [ 3422.737672][ T10] do_syscall_64+0xc6/0x1e0 [ 3422.737672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3422.737672][ T10] [ 3422.740008][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3422.740008][ T10] netdev_get_by_index+0x5e/0x80 [ 3422.740008][ T10] fib6_nh_init+0x3d8/0x1580 [ 3422.740008][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3422.740008][ T10] ip6_route_add+0x1c/0x140 [ 3422.740008][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3422.740008][ T10] addrconf_add_dev+0xe2/0x170 [ 3422.740008][ T10] inet6_addr_add+0x12f/0xa40 [ 3422.740008][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3422.740008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3422.740008][ T10] netlink_rcv_skb+0x130/0x360 [ 3422.740008][ T10] netlink_unicast+0x449/0x710 [ 3422.740008][ T10] netlink_sendmsg+0x723/0xbe0 [ 3422.740008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3422.740008][ T10] ___sys_sendmsg+0xee/0x170 [ 3422.740008][ T10] __sys_sendmsg+0xcd/0x170 [ 3422.740008][ T10] do_syscall_64+0xc6/0x1e0 [ 3422.740008][ T10] [ 3422.742197][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3422.742197][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3422.742197][ T10] ipv6_find_idev+0x102/0x170 [ 3422.742197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3422.742197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3422.742197][ T10] netlink_rcv_skb+0x130/0x360 [ 3422.742197][ T10] netlink_unicast+0x449/0x710 [ 3422.742197][ T10] netlink_sendmsg+0x723/0xbe0 [ 3422.742197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3422.742197][ T10] ___sys_sendmsg+0xee/0x170 [ 3422.742197][ T10] __sys_sendmsg+0xcd/0x170 [ 3422.742197][ T10] do_syscall_64+0xc6/0x1e0 [ 3422.742197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3422.742197][ T10] [ 3422.743934][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3422.743934][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3422.743934][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3422.743934][ T10] ipv6_find_idev+0x102/0x170 [ 3422.743934][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3422.743934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3422.743934][ T10] netlink_rcv_skb+0x130/0x360 [ 3422.743934][ T10] netlink_unicast+0x449/0x710 [ 3422.743934][ T10] netlink_sendmsg+0x723/0xbe0 [ 3422.743934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3422.743934][ T10] ___sys_sendmsg+0xee/0x170 [ 3422.743934][ T10] __sys_sendmsg+0xcd/0x170 [ 3422.743934][ T10] do_syscall_64+0xc6/0x1e0 [ 3422.743934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3422.743934][ T10] [ 3422.857257][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3422.857747][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3422.857747][ T1167] dst_init+0x84/0x4a0 [ 3422.857747][ T1167] dst_alloc+0x97/0x150 [ 3422.857747][ T1167] ip6_dst_alloc+0x23/0x90 [ 3422.857747][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3422.857747][ T1167] ip6_pol_route+0x56f/0x840 [ 3422.857747][ T1167] fib6_rule_lookup+0x334/0x630 [ 3422.857747][ T1167] ip6_route_output_flags+0x259/0x480 [ 3422.857747][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3422.857747][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3422.857747][ T1167] netlink_rcv_skb+0x130/0x360 [ 3422.857747][ T1167] netlink_unicast+0x449/0x710 [ 3422.857747][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3422.857747][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3422.857747][ T1167] ___sys_sendmsg+0xee/0x170 [ 3422.857747][ T1167] __sys_sendmsg+0xcd/0x170 [ 3422.857747][ T1167] do_syscall_64+0xc6/0x1e0 [ 3422.857747][ T1167] [ 3422.859991][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3422.859991][ T1167] netdev_get_by_index+0x5e/0x80 [ 3422.859991][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3422.859991][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3422.859991][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3422.859991][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3422.859991][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3422.859991][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3422.859991][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3422.859991][ T1167] addrconf_dad_begin+0x310/0x670 [ 3422.859991][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3422.859991][ T1167] process_one_work+0x84d/0x18a0 [ 3422.859991][ T1167] worker_thread+0x587/0xd30 [ 3422.859991][ T1167] kthread+0x28a/0x350 [ 3422.859991][ T1167] ret_from_fork+0x31/0x70 [ 3422.859991][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3422.859991][ T1167] [ 3422.862172][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3422.862172][ T1167] netdev_get_by_index+0x5e/0x80 [ 3422.862172][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3422.862172][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3422.862172][ T1167] ip6_route_add+0x1c/0x140 [ 3422.862172][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3422.862172][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3422.862172][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3422.862172][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3422.862172][ T1167] netlink_rcv_skb+0x130/0x360 [ 3422.862172][ T1167] netlink_unicast+0x449/0x710 [ 3422.862172][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3422.862172][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3422.862172][ T1167] ___sys_sendmsg+0xee/0x170 [ 3422.862172][ T1167] __sys_sendmsg+0xcd/0x170 [ 3422.862172][ T1167] do_syscall_64+0xc6/0x1e0 [ 3422.862172][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3422.862172][ T1167] [ 3422.864452][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3422.864452][ T1167] netdev_get_by_index+0x5e/0x80 [ 3422.864452][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3422.864452][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3422.864452][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3422.864452][ T1167] ipv6_add_addr+0x411/0x2000 [ 3422.864452][ T1167] inet6_addr_add+0x30e/0xa40 [ 3422.864452][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3422.864452][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3422.864452][ T1167] netlink_rcv_skb+0x130/0x360 [ 3422.864452][ T1167] netlink_unicast+0x449/0x710 [ 3422.864452][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3422.864452][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3422.864452][ T1167] ___sys_sendmsg+0xee/0x170 [ 3422.864452][ T1167] __sys_sendmsg+0xcd/0x170 [ 3422.864452][ T1167] do_syscall_64+0xc6/0x1e0 [ 3422.864452][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3422.864452][ T1167] [ 3422.866730][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3422.866730][ T1167] netdev_get_by_index+0x5e/0x80 [ 3422.866730][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3422.866730][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3422.866730][ T1167] ip6_route_add+0x1c/0x140 [ 3422.866730][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3422.866730][ T1167] addrconf_add_dev+0xe2/0x170 [ 3422.866730][ T1167] inet6_addr_add+0x12f/0xa40 [ 3422.866730][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3422.866730][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3422.866730][ T1167] netlink_rcv_skb+0x130/0x360 [ 3422.866730][ T1167] netlink_unicast+0x449/0x710 [ 3422.866730][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3422.866730][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3422.866730][ T1167] ___sys_sendmsg+0xee/0x170 [ 3422.866730][ T1167] __sys_sendmsg+0xcd/0x170 [ 3422.866730][ T1167] do_syscall_64+0xc6/0x1e0 [ 3422.866730][ T1167] [ 3422.868967][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3422.868967][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3422.868967][ T1167] ipv6_find_idev+0x102/0x170 [ 3422.868967][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3422.868967][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3422.868967][ T1167] netlink_rcv_skb+0x130/0x360 [ 3422.868967][ T1167] netlink_unicast+0x449/0x710 [ 3422.868967][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3422.868967][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3422.868967][ T1167] ___sys_sendmsg+0xee/0x170 [ 3422.868967][ T1167] __sys_sendmsg+0xcd/0x170 [ 3422.868967][ T1167] do_syscall_64+0xc6/0x1e0 [ 3422.868967][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3422.868967][ T1167] [ 3422.870719][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3422.870719][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3422.870719][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3422.870719][ T1167] ipv6_find_idev+0x102/0x170 [ 3422.870719][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3422.870719][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3422.870719][ T1167] netlink_rcv_skb+0x130/0x360 [ 3422.870719][ T1167] netlink_unicast+0x449/0x710 [ 3422.870719][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3422.870719][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3422.870719][ T1167] ___sys_sendmsg+0xee/0x170 [ 3422.870719][ T1167] __sys_sendmsg+0xcd/0x170 [ 3422.870719][ T1167] do_syscall_64+0xc6/0x1e0 [ 3422.870719][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3422.870719][ T1167] [ 3432.985135][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3432.985551][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3432.985551][ T10] netdev_get_by_index+0x5e/0x80 [ 3432.985551][ T10] fib6_nh_init+0x3d8/0x1580 [ 3432.985551][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3432.985551][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3432.985551][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3432.985551][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3432.985551][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3432.985551][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3432.985551][ T10] addrconf_dad_begin+0x310/0x670 [ 3432.985551][ T10] addrconf_dad_work+0x10b/0xab0 [ 3432.985551][ T10] process_one_work+0x84d/0x18a0 [ 3432.985551][ T10] worker_thread+0x587/0xd30 [ 3432.985551][ T10] kthread+0x28a/0x350 [ 3432.985551][ T10] ret_from_fork+0x31/0x70 [ 3432.985551][ T10] ret_from_fork_asm+0x1a/0x30 [ 3432.985551][ T10] [ 3432.987525][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3432.987525][ T10] netdev_get_by_index+0x5e/0x80 [ 3432.987525][ T10] fib6_nh_init+0x3d8/0x1580 [ 3432.987525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3432.987525][ T10] ip6_route_add+0x1c/0x140 [ 3432.987525][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3432.987525][ T10] inet6_addr_add+0x4f8/0xa40 [ 3432.987525][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3432.987525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3432.987525][ T10] netlink_rcv_skb+0x130/0x360 [ 3432.987525][ T10] netlink_unicast+0x449/0x710 [ 3432.987525][ T10] netlink_sendmsg+0x723/0xbe0 [ 3432.987525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3432.987525][ T10] ___sys_sendmsg+0xee/0x170 [ 3432.987525][ T10] __sys_sendmsg+0xcd/0x170 [ 3432.987525][ T10] do_syscall_64+0xc6/0x1e0 [ 3432.987525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3432.987525][ T10] [ 3432.989535][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3432.989535][ T10] netdev_get_by_index+0x5e/0x80 [ 3432.989535][ T10] fib6_nh_init+0x3d8/0x1580 [ 3432.989535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3432.989535][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3432.989535][ T10] ipv6_add_addr+0x411/0x2000 [ 3432.989535][ T10] inet6_addr_add+0x30e/0xa40 [ 3432.989535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3432.989535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3432.989535][ T10] netlink_rcv_skb+0x130/0x360 [ 3432.989535][ T10] netlink_unicast+0x449/0x710 [ 3432.989535][ T10] netlink_sendmsg+0x723/0xbe0 [ 3432.989535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3432.989535][ T10] ___sys_sendmsg+0xee/0x170 [ 3432.989535][ T10] __sys_sendmsg+0xcd/0x170 [ 3432.989535][ T10] do_syscall_64+0xc6/0x1e0 [ 3432.989535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3432.989535][ T10] [ 3432.991543][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3432.991543][ T10] netdev_get_by_index+0x5e/0x80 [ 3432.991543][ T10] fib6_nh_init+0x3d8/0x1580 [ 3432.991543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3432.991543][ T10] ip6_route_add+0x1c/0x140 [ 3432.991543][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3432.991543][ T10] addrconf_add_dev+0xe2/0x170 [ 3432.991543][ T10] inet6_addr_add+0x12f/0xa40 [ 3432.991543][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3432.991543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3432.991543][ T10] netlink_rcv_skb+0x130/0x360 [ 3432.991543][ T10] netlink_unicast+0x449/0x710 [ 3432.991543][ T10] netlink_sendmsg+0x723/0xbe0 [ 3432.991543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3432.991543][ T10] ___sys_sendmsg+0xee/0x170 [ 3432.991543][ T10] __sys_sendmsg+0xcd/0x170 [ 3432.991543][ T10] do_syscall_64+0xc6/0x1e0 [ 3432.991543][ T10] [ 3432.993515][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3432.993515][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3432.993515][ T10] ipv6_find_idev+0x102/0x170 [ 3432.993515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3432.993515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3432.993515][ T10] netlink_rcv_skb+0x130/0x360 [ 3432.993515][ T10] netlink_unicast+0x449/0x710 [ 3432.993515][ T10] netlink_sendmsg+0x723/0xbe0 [ 3432.993515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3432.993515][ T10] ___sys_sendmsg+0xee/0x170 [ 3432.993515][ T10] __sys_sendmsg+0xcd/0x170 [ 3432.993515][ T10] do_syscall_64+0xc6/0x1e0 [ 3432.993515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3432.993515][ T10] [ 3432.995058][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3432.995058][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3432.995058][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3432.995058][ T10] ipv6_find_idev+0x102/0x170 [ 3432.995058][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3432.995058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3432.995058][ T10] netlink_rcv_skb+0x130/0x360 [ 3432.995058][ T10] netlink_unicast+0x449/0x710 [ 3432.995058][ T10] netlink_sendmsg+0x723/0xbe0 [ 3432.995058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3432.995058][ T10] ___sys_sendmsg+0xee/0x170 [ 3432.995058][ T10] __sys_sendmsg+0xcd/0x170 [ 3432.995058][ T10] do_syscall_64+0xc6/0x1e0 [ 3432.995058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3432.995058][ T10] [ 3432.996757][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3432.996996][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3432.996996][ T10] netdev_get_by_index+0x5e/0x80 [ 3432.996996][ T10] fib6_nh_init+0x3d8/0x1580 [ 3432.996996][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3432.996996][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3432.996996][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3432.996996][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3432.996996][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3432.996996][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3432.996996][ T10] addrconf_dad_begin+0x310/0x670 [ 3432.996996][ T10] addrconf_dad_work+0x10b/0xab0 [ 3432.996996][ T10] process_one_work+0x84d/0x18a0 [ 3432.996996][ T10] worker_thread+0x587/0xd30 [ 3432.996996][ T10] kthread+0x28a/0x350 [ 3432.996996][ T10] ret_from_fork+0x31/0x70 [ 3432.996996][ T10] ret_from_fork_asm+0x1a/0x30 [ 3432.996996][ T10] [ 3432.999412][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3432.999412][ T10] netdev_get_by_index+0x5e/0x80 [ 3432.999412][ T10] fib6_nh_init+0x3d8/0x1580 [ 3432.999412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3432.999412][ T10] ip6_route_add+0x1c/0x140 [ 3432.999412][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3432.999412][ T10] inet6_addr_add+0x4f8/0xa40 [ 3432.999412][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3432.999412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3432.999412][ T10] netlink_rcv_skb+0x130/0x360 [ 3432.999412][ T10] netlink_unicast+0x449/0x710 [ 3432.999412][ T10] netlink_sendmsg+0x723/0xbe0 [ 3432.999412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3432.999412][ T10] ___sys_sendmsg+0xee/0x170 [ 3432.999412][ T10] __sys_sendmsg+0xcd/0x170 [ 3432.999412][ T10] do_syscall_64+0xc6/0x1e0 [ 3432.999412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3432.999412][ T10] [ 3433.001411][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3433.001411][ T10] netdev_get_by_index+0x5e/0x80 [ 3433.001411][ T10] fib6_nh_init+0x3d8/0x1580 [ 3433.001411][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3433.001411][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3433.001411][ T10] ipv6_add_addr+0x411/0x2000 [ 3433.001411][ T10] inet6_addr_add+0x30e/0xa40 [ 3433.001411][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3433.001411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.001411][ T10] netlink_rcv_skb+0x130/0x360 [ 3433.001411][ T10] netlink_unicast+0x449/0x710 [ 3433.001411][ T10] netlink_sendmsg+0x723/0xbe0 [ 3433.001411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3433.001411][ T10] ___sys_sendmsg+0xee/0x170 [ 3433.001411][ T10] __sys_sendmsg+0xcd/0x170 [ 3433.001411][ T10] do_syscall_64+0xc6/0x1e0 [ 3433.001411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3433.001411][ T10] [ 3433.003434][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3433.003434][ T10] netdev_get_by_index+0x5e/0x80 [ 3433.003434][ T10] fib6_nh_init+0x3d8/0x1580 [ 3433.003434][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3433.003434][ T10] ip6_route_add+0x1c/0x140 [ 3433.003434][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3433.003434][ T10] addrconf_add_dev+0xe2/0x170 [ 3433.003434][ T10] inet6_addr_add+0x12f/0xa40 [ 3433.003434][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3433.003434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.003434][ T10] netlink_rcv_skb+0x130/0x360 [ 3433.003434][ T10] netlink_unicast+0x449/0x710 [ 3433.003434][ T10] netlink_sendmsg+0x723/0xbe0 [ 3433.003434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3433.003434][ T10] ___sys_sendmsg+0xee/0x170 [ 3433.003434][ T10] __sys_sendmsg+0xcd/0x170 [ 3433.003434][ T10] do_syscall_64+0xc6/0x1e0 [ 3433.003434][ T10] [ 3433.005396][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3433.005396][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3433.005396][ T10] ipv6_find_idev+0x102/0x170 [ 3433.005396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3433.005396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.005396][ T10] netlink_rcv_skb+0x130/0x360 [ 3433.005396][ T10] netlink_unicast+0x449/0x710 [ 3433.005396][ T10] netlink_sendmsg+0x723/0xbe0 [ 3433.005396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3433.005396][ T10] ___sys_sendmsg+0xee/0x170 [ 3433.005396][ T10] __sys_sendmsg+0xcd/0x170 [ 3433.005396][ T10] do_syscall_64+0xc6/0x1e0 [ 3433.005396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3433.005396][ T10] [ 3433.006944][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3433.006944][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3433.006944][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3433.006944][ T10] ipv6_find_idev+0x102/0x170 [ 3433.006944][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3433.006944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.006944][ T10] netlink_rcv_skb+0x130/0x360 [ 3433.006944][ T10] netlink_unicast+0x449/0x710 [ 3433.006944][ T10] netlink_sendmsg+0x723/0xbe0 [ 3433.006944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3433.006944][ T10] ___sys_sendmsg+0xee/0x170 [ 3433.006944][ T10] __sys_sendmsg+0xcd/0x170 [ 3433.006944][ T10] do_syscall_64+0xc6/0x1e0 [ 3433.006944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3433.006944][ T10] [ 3433.008624][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3433.008867][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3433.008867][ T10] netdev_get_by_index+0x5e/0x80 [ 3433.008867][ T10] fib6_nh_init+0x3d8/0x1580 [ 3433.008867][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3433.008867][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3433.008867][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3433.008867][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3433.008867][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3433.008867][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3433.008867][ T10] addrconf_dad_begin+0x310/0x670 [ 3433.008867][ T10] addrconf_dad_work+0x10b/0xab0 [ 3433.008867][ T10] process_one_work+0x84d/0x18a0 [ 3433.008867][ T10] worker_thread+0x587/0xd30 [ 3433.008867][ T10] kthread+0x28a/0x350 [ 3433.008867][ T10] ret_from_fork+0x31/0x70 [ 3433.008867][ T10] ret_from_fork_asm+0x1a/0x30 [ 3433.008867][ T10] [ 3433.010763][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3433.010763][ T10] netdev_get_by_index+0x5e/0x80 [ 3433.010763][ T10] fib6_nh_init+0x3d8/0x1580 [ 3433.010763][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3433.010763][ T10] ip6_route_add+0x1c/0x140 [ 3433.010763][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3433.010763][ T10] inet6_addr_add+0x4f8/0xa40 [ 3433.010763][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3433.010763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.010763][ T10] netlink_rcv_skb+0x130/0x360 [ 3433.010763][ T10] netlink_unicast+0x449/0x710 [ 3433.010763][ T10] netlink_sendmsg+0x723/0xbe0 [ 3433.010763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3433.010763][ T10] ___sys_sendmsg+0xee/0x170 [ 3433.010763][ T10] __sys_sendmsg+0xcd/0x170 [ 3433.010763][ T10] do_syscall_64+0xc6/0x1e0 [ 3433.010763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3433.010763][ T10] [ 3433.015763][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3433.015763][ T10] netdev_get_by_index+0x5e/0x80 [ 3433.015763][ T10] fib6_nh_init+0x3d8/0x1580 [ 3433.015763][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3433.015763][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3433.015763][ T10] ipv6_add_addr+0x411/0x2000 [ 3433.015763][ T10] inet6_addr_add+0x30e/0xa40 [ 3433.015763][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3433.015763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.015763][ T10] netlink_rcv_skb+0x130/0x360 [ 3433.015763][ T10] netlink_unicast+0x449/0x710 [ 3433.015763][ T10] netlink_sendmsg+0x723/0xbe0 [ 3433.015763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3433.015763][ T10] ___sys_sendmsg+0xee/0x170 [ 3433.015763][ T10] __sys_sendmsg+0xcd/0x170 [ 3433.015763][ T10] do_syscall_64+0xc6/0x1e0 [ 3433.015763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3433.015763][ T10] [ 3433.018077][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3433.018077][ T10] netdev_get_by_index+0x5e/0x80 [ 3433.018077][ T10] fib6_nh_init+0x3d8/0x1580 [ 3433.018077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3433.018077][ T10] ip6_route_add+0x1c/0x140 [ 3433.018077][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3433.018077][ T10] addrconf_add_dev+0xe2/0x170 [ 3433.018077][ T10] inet6_addr_add+0x12f/0xa40 [ 3433.018077][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3433.018077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.018077][ T10] netlink_rcv_skb+0x130/0x360 [ 3433.018077][ T10] netlink_unicast+0x449/0x710 [ 3433.018077][ T10] netlink_sendmsg+0x723/0xbe0 [ 3433.018077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3433.018077][ T10] ___sys_sendmsg+0xee/0x170 [ 3433.018077][ T10] __sys_sendmsg+0xcd/0x170 [ 3433.018077][ T10] do_syscall_64+0xc6/0x1e0 [ 3433.018077][ T10] [ 3433.020295][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3433.020295][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3433.020295][ T10] ipv6_find_idev+0x102/0x170 [ 3433.020295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3433.020295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.020295][ T10] netlink_rcv_skb+0x130/0x360 [ 3433.020295][ T10] netlink_unicast+0x449/0x710 [ 3433.020295][ T10] netlink_sendmsg+0x723/0xbe0 [ 3433.020295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3433.020295][ T10] ___sys_sendmsg+0xee/0x170 [ 3433.020295][ T10] __sys_sendmsg+0xcd/0x170 [ 3433.020295][ T10] do_syscall_64+0xc6/0x1e0 [ 3433.020295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3433.020295][ T10] [ 3433.022030][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3433.022030][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3433.022030][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3433.022030][ T10] ipv6_find_idev+0x102/0x170 [ 3433.022030][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3433.022030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.022030][ T10] netlink_rcv_skb+0x130/0x360 [ 3433.022030][ T10] netlink_unicast+0x449/0x710 [ 3433.022030][ T10] netlink_sendmsg+0x723/0xbe0 [ 3433.022030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3433.022030][ T10] ___sys_sendmsg+0xee/0x170 [ 3433.022030][ T10] __sys_sendmsg+0xcd/0x170 [ 3433.022030][ T10] do_syscall_64+0xc6/0x1e0 [ 3433.022030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3433.022030][ T10] [ 3433.023838][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3433.024510][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3433.024510][ T10] netdev_get_by_index+0x5e/0x80 [ 3433.024510][ T10] fib6_nh_init+0x3d8/0x1580 [ 3433.024510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3433.024510][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3433.024510][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3433.024510][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3433.024510][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3433.024510][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3433.024510][ T10] addrconf_dad_begin+0x310/0x670 [ 3433.024510][ T10] addrconf_dad_work+0x10b/0xab0 [ 3433.024510][ T10] process_one_work+0x84d/0x18a0 [ 3433.024510][ T10] worker_thread+0x587/0xd30 [ 3433.024510][ T10] kthread+0x28a/0x350 [ 3433.024510][ T10] ret_from_fork+0x31/0x70 [ 3433.024510][ T10] ret_from_fork_asm+0x1a/0x30 [ 3433.024510][ T10] [ 3433.028098][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3433.028098][ T10] netdev_get_by_index+0x5e/0x80 [ 3433.028098][ T10] fib6_nh_init+0x3d8/0x1580 [ 3433.028098][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3433.028098][ T10] ip6_route_add+0x1c/0x140 [ 3433.028098][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3433.028098][ T10] inet6_addr_add+0x4f8/0xa40 [ 3433.028098][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3433.028098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.028098][ T10] netlink_rcv_skb+0x130/0x360 [ 3433.028098][ T10] netlink_unicast+0x449/0x710 [ 3433.028098][ T10] netlink_sendmsg+0x723/0xbe0 [ 3433.028098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3433.028098][ T10] ___sys_sendmsg+0xee/0x170 [ 3433.028098][ T10] __sys_sendmsg+0xcd/0x170 [ 3433.028098][ T10] do_syscall_64+0xc6/0x1e0 [ 3433.028098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3433.028098][ T10] [ 3433.030219][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3433.030219][ T10] netdev_get_by_index+0x5e/0x80 [ 3433.030219][ T10] fib6_nh_init+0x3d8/0x1580 [ 3433.030219][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3433.030219][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3433.030219][ T10] ipv6_add_addr+0x411/0x2000 [ 3433.030219][ T10] inet6_addr_add+0x30e/0xa40 [ 3433.030219][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3433.030219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.030219][ T10] netlink_rcv_skb+0x130/0x360 [ 3433.030219][ T10] netlink_unicast+0x449/0x710 [ 3433.030219][ T10] netlink_sendmsg+0x723/0xbe0 [ 3433.030219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3433.030219][ T10] ___sys_sendmsg+0xee/0x170 [ 3433.030219][ T10] __sys_sendmsg+0xcd/0x170 [ 3433.030219][ T10] do_syscall_64+0xc6/0x1e0 [ 3433.030219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3433.030219][ T10] [ 3433.032533][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3433.032533][ T10] netdev_get_by_index+0x5e/0x80 [ 3433.032533][ T10] fib6_nh_init+0x3d8/0x1580 [ 3433.032533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3433.032533][ T10] ip6_route_add+0x1c/0x140 [ 3433.032533][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3433.032533][ T10] addrconf_add_dev+0xe2/0x170 [ 3433.032533][ T10] inet6_addr_add+0x12f/0xa40 [ 3433.032533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3433.032533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.032533][ T10] netlink_rcv_skb+0x130/0x360 [ 3433.032533][ T10] netlink_unicast+0x449/0x710 [ 3433.032533][ T10] netlink_sendmsg+0x723/0xbe0 [ 3433.032533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3433.032533][ T10] ___sys_sendmsg+0xee/0x170 [ 3433.032533][ T10] __sys_sendmsg+0xcd/0x170 [ 3433.032533][ T10] do_syscall_64+0xc6/0x1e0 [ 3433.032533][ T10] [ 3433.034695][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3433.034695][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3433.034695][ T10] ipv6_find_idev+0x102/0x170 [ 3433.034695][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3433.034695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.034695][ T10] netlink_rcv_skb+0x130/0x360 [ 3433.034695][ T10] netlink_unicast+0x449/0x710 [ 3433.034695][ T10] netlink_sendmsg+0x723/0xbe0 [ 3433.034695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3433.034695][ T10] ___sys_sendmsg+0xee/0x170 [ 3433.034695][ T10] __sys_sendmsg+0xcd/0x170 [ 3433.034695][ T10] do_syscall_64+0xc6/0x1e0 [ 3433.034695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3433.034695][ T10] [ 3433.036433][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3433.036433][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3433.036433][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3433.036433][ T10] ipv6_find_idev+0x102/0x170 [ 3433.036433][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3433.036433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.036433][ T10] netlink_rcv_skb+0x130/0x360 [ 3433.036433][ T10] netlink_unicast+0x449/0x710 [ 3433.036433][ T10] netlink_sendmsg+0x723/0xbe0 [ 3433.036433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3433.036433][ T10] ___sys_sendmsg+0xee/0x170 [ 3433.036433][ T10] __sys_sendmsg+0xcd/0x170 [ 3433.036433][ T10] do_syscall_64+0xc6/0x1e0 [ 3433.036433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3433.036433][ T10] [ 3433.121122][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3433.121563][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3433.121563][ T1167] dst_init+0x84/0x4a0 [ 3433.121563][ T1167] dst_alloc+0x97/0x150 [ 3433.121563][ T1167] ip6_dst_alloc+0x23/0x90 [ 3433.121563][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3433.121563][ T1167] ip6_pol_route+0x56f/0x840 [ 3433.121563][ T1167] fib6_rule_lookup+0x334/0x630 [ 3433.121563][ T1167] ip6_route_output_flags+0x259/0x480 [ 3433.121563][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3433.121563][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3433.121563][ T1167] netlink_rcv_skb+0x130/0x360 [ 3433.121563][ T1167] netlink_unicast+0x449/0x710 [ 3433.121563][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3433.121563][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3433.121563][ T1167] ___sys_sendmsg+0xee/0x170 [ 3433.121563][ T1167] __sys_sendmsg+0xcd/0x170 [ 3433.121563][ T1167] do_syscall_64+0xc6/0x1e0 [ 3433.121563][ T1167] [ 3433.123809][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3433.123809][ T1167] netdev_get_by_index+0x5e/0x80 [ 3433.123809][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3433.123809][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3433.123809][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3433.123809][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3433.123809][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3433.123809][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3433.123809][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3433.123809][ T1167] addrconf_dad_begin+0x310/0x670 [ 3433.123809][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3433.123809][ T1167] process_one_work+0x84d/0x18a0 [ 3433.123809][ T1167] worker_thread+0x587/0xd30 [ 3433.123809][ T1167] kthread+0x28a/0x350 [ 3433.123809][ T1167] ret_from_fork+0x31/0x70 [ 3433.123809][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3433.123809][ T1167] [ 3433.125959][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3433.125959][ T1167] netdev_get_by_index+0x5e/0x80 [ 3433.125959][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3433.125959][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3433.125959][ T1167] ip6_route_add+0x1c/0x140 [ 3433.125959][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3433.125959][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3433.125959][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3433.125959][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.125959][ T1167] netlink_rcv_skb+0x130/0x360 [ 3433.125959][ T1167] netlink_unicast+0x449/0x710 [ 3433.125959][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3433.125959][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3433.125959][ T1167] ___sys_sendmsg+0xee/0x170 [ 3433.125959][ T1167] __sys_sendmsg+0xcd/0x170 [ 3433.125959][ T1167] do_syscall_64+0xc6/0x1e0 [ 3433.125959][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3433.125959][ T1167] [ 3433.128230][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3433.128230][ T1167] netdev_get_by_index+0x5e/0x80 [ 3433.128230][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3433.128230][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3433.128230][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3433.128230][ T1167] ipv6_add_addr+0x411/0x2000 [ 3433.128230][ T1167] inet6_addr_add+0x30e/0xa40 [ 3433.128230][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3433.128230][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.128230][ T1167] netlink_rcv_skb+0x130/0x360 [ 3433.128230][ T1167] netlink_unicast+0x449/0x710 [ 3433.128230][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3433.128230][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3433.128230][ T1167] ___sys_sendmsg+0xee/0x170 [ 3433.128230][ T1167] __sys_sendmsg+0xcd/0x170 [ 3433.128230][ T1167] do_syscall_64+0xc6/0x1e0 [ 3433.128230][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3433.128230][ T1167] [ 3433.130487][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3433.130487][ T1167] netdev_get_by_index+0x5e/0x80 [ 3433.130487][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3433.130487][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3433.130487][ T1167] ip6_route_add+0x1c/0x140 [ 3433.130487][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3433.130487][ T1167] addrconf_add_dev+0xe2/0x170 [ 3433.130487][ T1167] inet6_addr_add+0x12f/0xa40 [ 3433.130487][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3433.130487][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.130487][ T1167] netlink_rcv_skb+0x130/0x360 [ 3433.130487][ T1167] netlink_unicast+0x449/0x710 [ 3433.130487][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3433.130487][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3433.130487][ T1167] ___sys_sendmsg+0xee/0x170 [ 3433.130487][ T1167] __sys_sendmsg+0xcd/0x170 [ 3433.130487][ T1167] do_syscall_64+0xc6/0x1e0 [ 3433.130487][ T1167] [ 3433.132716][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3433.132716][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3433.132716][ T1167] ipv6_find_idev+0x102/0x170 [ 3433.132716][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3433.132716][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.132716][ T1167] netlink_rcv_skb+0x130/0x360 [ 3433.132716][ T1167] netlink_unicast+0x449/0x710 [ 3433.132716][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3433.132716][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3433.132716][ T1167] ___sys_sendmsg+0xee/0x170 [ 3433.132716][ T1167] __sys_sendmsg+0xcd/0x170 [ 3433.132716][ T1167] do_syscall_64+0xc6/0x1e0 [ 3433.132716][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3433.132716][ T1167] [ 3433.134459][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3433.134459][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3433.134459][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3433.134459][ T1167] ipv6_find_idev+0x102/0x170 [ 3433.134459][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3433.134459][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.134459][ T1167] netlink_rcv_skb+0x130/0x360 [ 3433.134459][ T1167] netlink_unicast+0x449/0x710 [ 3433.134459][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3433.134459][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3433.134459][ T1167] ___sys_sendmsg+0xee/0x170 [ 3433.134459][ T1167] __sys_sendmsg+0xcd/0x170 [ 3433.134459][ T1167] do_syscall_64+0xc6/0x1e0 [ 3433.134459][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3433.134459][ T1167] [ 3443.281203][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3443.281677][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3443.281677][ T10] netdev_get_by_index+0x5e/0x80 [ 3443.281677][ T10] fib6_nh_init+0x3d8/0x1580 [ 3443.281677][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3443.281677][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3443.281677][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3443.281677][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3443.281677][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3443.281677][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3443.281677][ T10] addrconf_dad_begin+0x310/0x670 [ 3443.281677][ T10] addrconf_dad_work+0x10b/0xab0 [ 3443.281677][ T10] process_one_work+0x84d/0x18a0 [ 3443.281677][ T10] worker_thread+0x587/0xd30 [ 3443.281677][ T10] kthread+0x28a/0x350 [ 3443.281677][ T10] ret_from_fork+0x31/0x70 [ 3443.281677][ T10] ret_from_fork_asm+0x1a/0x30 [ 3443.281677][ T10] [ 3443.283677][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3443.283677][ T10] netdev_get_by_index+0x5e/0x80 [ 3443.283677][ T10] fib6_nh_init+0x3d8/0x1580 [ 3443.283677][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3443.283677][ T10] ip6_route_add+0x1c/0x140 [ 3443.283677][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3443.283677][ T10] inet6_addr_add+0x4f8/0xa40 [ 3443.283677][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3443.283677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.283677][ T10] netlink_rcv_skb+0x130/0x360 [ 3443.283677][ T10] netlink_unicast+0x449/0x710 [ 3443.283677][ T10] netlink_sendmsg+0x723/0xbe0 [ 3443.283677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3443.283677][ T10] ___sys_sendmsg+0xee/0x170 [ 3443.283677][ T10] __sys_sendmsg+0xcd/0x170 [ 3443.283677][ T10] do_syscall_64+0xc6/0x1e0 [ 3443.283677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.283677][ T10] [ 3443.285715][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3443.285715][ T10] netdev_get_by_index+0x5e/0x80 [ 3443.285715][ T10] fib6_nh_init+0x3d8/0x1580 [ 3443.285715][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3443.285715][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3443.285715][ T10] ipv6_add_addr+0x411/0x2000 [ 3443.285715][ T10] inet6_addr_add+0x30e/0xa40 [ 3443.285715][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3443.285715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.285715][ T10] netlink_rcv_skb+0x130/0x360 [ 3443.285715][ T10] netlink_unicast+0x449/0x710 [ 3443.285715][ T10] netlink_sendmsg+0x723/0xbe0 [ 3443.285715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3443.285715][ T10] ___sys_sendmsg+0xee/0x170 [ 3443.285715][ T10] __sys_sendmsg+0xcd/0x170 [ 3443.285715][ T10] do_syscall_64+0xc6/0x1e0 [ 3443.285715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.285715][ T10] [ 3443.287769][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3443.287769][ T10] netdev_get_by_index+0x5e/0x80 [ 3443.287769][ T10] fib6_nh_init+0x3d8/0x1580 [ 3443.287769][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3443.287769][ T10] ip6_route_add+0x1c/0x140 [ 3443.287769][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3443.287769][ T10] addrconf_add_dev+0xe2/0x170 [ 3443.287769][ T10] inet6_addr_add+0x12f/0xa40 [ 3443.287769][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3443.287769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.287769][ T10] netlink_rcv_skb+0x130/0x360 [ 3443.287769][ T10] netlink_unicast+0x449/0x710 [ 3443.287769][ T10] netlink_sendmsg+0x723/0xbe0 [ 3443.287769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3443.287769][ T10] ___sys_sendmsg+0xee/0x170 [ 3443.287769][ T10] __sys_sendmsg+0xcd/0x170 [ 3443.287769][ T10] do_syscall_64+0xc6/0x1e0 [ 3443.287769][ T10] [ 3443.289788][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3443.289788][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3443.289788][ T10] ipv6_find_idev+0x102/0x170 [ 3443.289788][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3443.289788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.289788][ T10] netlink_rcv_skb+0x130/0x360 [ 3443.289788][ T10] netlink_unicast+0x449/0x710 [ 3443.289788][ T10] netlink_sendmsg+0x723/0xbe0 [ 3443.289788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3443.289788][ T10] ___sys_sendmsg+0xee/0x170 [ 3443.289788][ T10] __sys_sendmsg+0xcd/0x170 [ 3443.289788][ T10] do_syscall_64+0xc6/0x1e0 [ 3443.289788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.289788][ T10] [ 3443.291354][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3443.291354][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3443.291354][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3443.291354][ T10] ipv6_find_idev+0x102/0x170 [ 3443.291354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3443.291354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.291354][ T10] netlink_rcv_skb+0x130/0x360 [ 3443.291354][ T10] netlink_unicast+0x449/0x710 [ 3443.291354][ T10] netlink_sendmsg+0x723/0xbe0 [ 3443.291354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3443.291354][ T10] ___sys_sendmsg+0xee/0x170 [ 3443.291354][ T10] __sys_sendmsg+0xcd/0x170 [ 3443.291354][ T10] do_syscall_64+0xc6/0x1e0 [ 3443.291354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.291354][ T10] [ 3443.293096][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3443.293356][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3443.293356][ T10] netdev_get_by_index+0x5e/0x80 [ 3443.293356][ T10] fib6_nh_init+0x3d8/0x1580 [ 3443.293356][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3443.293356][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3443.293356][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3443.293356][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3443.293356][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3443.293356][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3443.293356][ T10] addrconf_dad_begin+0x310/0x670 [ 3443.293356][ T10] addrconf_dad_work+0x10b/0xab0 [ 3443.293356][ T10] process_one_work+0x84d/0x18a0 [ 3443.293356][ T10] worker_thread+0x587/0xd30 [ 3443.293356][ T10] kthread+0x28a/0x350 [ 3443.293356][ T10] ret_from_fork+0x31/0x70 [ 3443.293356][ T10] ret_from_fork_asm+0x1a/0x30 [ 3443.293356][ T10] [ 3443.295303][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3443.295303][ T10] netdev_get_by_index+0x5e/0x80 [ 3443.295303][ T10] fib6_nh_init+0x3d8/0x1580 [ 3443.295303][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3443.295303][ T10] ip6_route_add+0x1c/0x140 [ 3443.295303][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3443.295303][ T10] inet6_addr_add+0x4f8/0xa40 [ 3443.295303][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3443.295303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.295303][ T10] netlink_rcv_skb+0x130/0x360 [ 3443.295303][ T10] netlink_unicast+0x449/0x710 [ 3443.295303][ T10] netlink_sendmsg+0x723/0xbe0 [ 3443.295303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3443.295303][ T10] ___sys_sendmsg+0xee/0x170 [ 3443.295303][ T10] __sys_sendmsg+0xcd/0x170 [ 3443.295303][ T10] do_syscall_64+0xc6/0x1e0 [ 3443.295303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.295303][ T10] [ 3443.297334][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3443.297334][ T10] netdev_get_by_index+0x5e/0x80 [ 3443.297334][ T10] fib6_nh_init+0x3d8/0x1580 [ 3443.297334][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3443.297334][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3443.297334][ T10] ipv6_add_addr+0x411/0x2000 [ 3443.297334][ T10] inet6_addr_add+0x30e/0xa40 [ 3443.297334][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3443.297334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.297334][ T10] netlink_rcv_skb+0x130/0x360 [ 3443.297334][ T10] netlink_unicast+0x449/0x710 [ 3443.297334][ T10] netlink_sendmsg+0x723/0xbe0 [ 3443.297334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3443.297334][ T10] ___sys_sendmsg+0xee/0x170 [ 3443.297334][ T10] __sys_sendmsg+0xcd/0x170 [ 3443.297334][ T10] do_syscall_64+0xc6/0x1e0 [ 3443.297334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.297334][ T10] [ 3443.299401][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3443.299401][ T10] netdev_get_by_index+0x5e/0x80 [ 3443.299401][ T10] fib6_nh_init+0x3d8/0x1580 [ 3443.299401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3443.299401][ T10] ip6_route_add+0x1c/0x140 [ 3443.299401][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3443.299401][ T10] addrconf_add_dev+0xe2/0x170 [ 3443.299401][ T10] inet6_addr_add+0x12f/0xa40 [ 3443.299401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3443.299401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.299401][ T10] netlink_rcv_skb+0x130/0x360 [ 3443.299401][ T10] netlink_unicast+0x449/0x710 [ 3443.299401][ T10] netlink_sendmsg+0x723/0xbe0 [ 3443.299401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3443.299401][ T10] ___sys_sendmsg+0xee/0x170 [ 3443.299401][ T10] __sys_sendmsg+0xcd/0x170 [ 3443.299401][ T10] do_syscall_64+0xc6/0x1e0 [ 3443.299401][ T10] [ 3443.301493][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3443.301493][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3443.301493][ T10] ipv6_find_idev+0x102/0x170 [ 3443.301493][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3443.301493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.301493][ T10] netlink_rcv_skb+0x130/0x360 [ 3443.301493][ T10] netlink_unicast+0x449/0x710 [ 3443.301493][ T10] netlink_sendmsg+0x723/0xbe0 [ 3443.301493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3443.301493][ T10] ___sys_sendmsg+0xee/0x170 [ 3443.301493][ T10] __sys_sendmsg+0xcd/0x170 [ 3443.301493][ T10] do_syscall_64+0xc6/0x1e0 [ 3443.301493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.301493][ T10] [ 3443.303047][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3443.303047][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3443.303047][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3443.303047][ T10] ipv6_find_idev+0x102/0x170 [ 3443.303047][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3443.303047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.303047][ T10] netlink_rcv_skb+0x130/0x360 [ 3443.303047][ T10] netlink_unicast+0x449/0x710 [ 3443.303047][ T10] netlink_sendmsg+0x723/0xbe0 [ 3443.303047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3443.303047][ T10] ___sys_sendmsg+0xee/0x170 [ 3443.303047][ T10] __sys_sendmsg+0xcd/0x170 [ 3443.303047][ T10] do_syscall_64+0xc6/0x1e0 [ 3443.303047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.303047][ T10] [ 3443.304758][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3443.305021][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3443.305021][ T10] netdev_get_by_index+0x5e/0x80 [ 3443.305021][ T10] fib6_nh_init+0x3d8/0x1580 [ 3443.305021][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3443.305021][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3443.305021][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3443.305021][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3443.305021][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3443.305021][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3443.305021][ T10] addrconf_dad_begin+0x310/0x670 [ 3443.305021][ T10] addrconf_dad_work+0x10b/0xab0 [ 3443.305021][ T10] process_one_work+0x84d/0x18a0 [ 3443.305021][ T10] worker_thread+0x587/0xd30 [ 3443.305021][ T10] kthread+0x28a/0x350 [ 3443.305021][ T10] ret_from_fork+0x31/0x70 [ 3443.305021][ T10] ret_from_fork_asm+0x1a/0x30 [ 3443.305021][ T10] [ 3443.306948][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3443.306948][ T10] netdev_get_by_index+0x5e/0x80 [ 3443.306948][ T10] fib6_nh_init+0x3d8/0x1580 [ 3443.306948][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3443.306948][ T10] ip6_route_add+0x1c/0x140 [ 3443.306948][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3443.306948][ T10] inet6_addr_add+0x4f8/0xa40 [ 3443.306948][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3443.306948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.306948][ T10] netlink_rcv_skb+0x130/0x360 [ 3443.306948][ T10] netlink_unicast+0x449/0x710 [ 3443.306948][ T10] netlink_sendmsg+0x723/0xbe0 [ 3443.306948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3443.306948][ T10] ___sys_sendmsg+0xee/0x170 [ 3443.306948][ T10] __sys_sendmsg+0xcd/0x170 [ 3443.306948][ T10] do_syscall_64+0xc6/0x1e0 [ 3443.306948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.306948][ T10] [ 3443.309164][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3443.309164][ T10] netdev_get_by_index+0x5e/0x80 [ 3443.309164][ T10] fib6_nh_init+0x3d8/0x1580 [ 3443.309164][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3443.309164][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3443.309164][ T10] ipv6_add_addr+0x411/0x2000 [ 3443.309164][ T10] inet6_addr_add+0x30e/0xa40 [ 3443.309164][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3443.309164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.309164][ T10] netlink_rcv_skb+0x130/0x360 [ 3443.309164][ T10] netlink_unicast+0x449/0x710 [ 3443.309164][ T10] netlink_sendmsg+0x723/0xbe0 [ 3443.309164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3443.309164][ T10] ___sys_sendmsg+0xee/0x170 [ 3443.309164][ T10] __sys_sendmsg+0xcd/0x170 [ 3443.309164][ T10] do_syscall_64+0xc6/0x1e0 [ 3443.309164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.309164][ T10] [ 3443.311555][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3443.311555][ T10] netdev_get_by_index+0x5e/0x80 [ 3443.311555][ T10] fib6_nh_init+0x3d8/0x1580 [ 3443.311555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3443.311555][ T10] ip6_route_add+0x1c/0x140 [ 3443.311555][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3443.311555][ T10] addrconf_add_dev+0xe2/0x170 [ 3443.311555][ T10] inet6_addr_add+0x12f/0xa40 [ 3443.311555][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3443.311555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.311555][ T10] netlink_rcv_skb+0x130/0x360 [ 3443.311555][ T10] netlink_unicast+0x449/0x710 [ 3443.311555][ T10] netlink_sendmsg+0x723/0xbe0 [ 3443.311555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3443.311555][ T10] ___sys_sendmsg+0xee/0x170 [ 3443.311555][ T10] __sys_sendmsg+0xcd/0x170 [ 3443.311555][ T10] do_syscall_64+0xc6/0x1e0 [ 3443.311555][ T10] [ 3443.313821][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3443.313821][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3443.313821][ T10] ipv6_find_idev+0x102/0x170 [ 3443.313821][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3443.313821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.313821][ T10] netlink_rcv_skb+0x130/0x360 [ 3443.313821][ T10] netlink_unicast+0x449/0x710 [ 3443.313821][ T10] netlink_sendmsg+0x723/0xbe0 [ 3443.313821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3443.313821][ T10] ___sys_sendmsg+0xee/0x170 [ 3443.313821][ T10] __sys_sendmsg+0xcd/0x170 [ 3443.313821][ T10] do_syscall_64+0xc6/0x1e0 [ 3443.313821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.313821][ T10] [ 3443.315582][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3443.315582][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3443.315582][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3443.315582][ T10] ipv6_find_idev+0x102/0x170 [ 3443.315582][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3443.315582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.315582][ T10] netlink_rcv_skb+0x130/0x360 [ 3443.315582][ T10] netlink_unicast+0x449/0x710 [ 3443.315582][ T10] netlink_sendmsg+0x723/0xbe0 [ 3443.315582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3443.315582][ T10] ___sys_sendmsg+0xee/0x170 [ 3443.315582][ T10] __sys_sendmsg+0xcd/0x170 [ 3443.315582][ T10] do_syscall_64+0xc6/0x1e0 [ 3443.315582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.315582][ T10] [ 3443.317553][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3443.317802][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3443.317802][ T10] netdev_get_by_index+0x5e/0x80 [ 3443.317802][ T10] fib6_nh_init+0x3d8/0x1580 [ 3443.317802][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3443.317802][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3443.317802][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3443.317802][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3443.317802][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3443.317802][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3443.317802][ T10] addrconf_dad_begin+0x310/0x670 [ 3443.317802][ T10] addrconf_dad_work+0x10b/0xab0 [ 3443.317802][ T10] process_one_work+0x84d/0x18a0 [ 3443.317802][ T10] worker_thread+0x587/0xd30 [ 3443.317802][ T10] kthread+0x28a/0x350 [ 3443.317802][ T10] ret_from_fork+0x31/0x70 [ 3443.317802][ T10] ret_from_fork_asm+0x1a/0x30 [ 3443.317802][ T10] [ 3443.319997][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3443.319997][ T10] netdev_get_by_index+0x5e/0x80 [ 3443.319997][ T10] fib6_nh_init+0x3d8/0x1580 [ 3443.319997][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3443.319997][ T10] ip6_route_add+0x1c/0x140 [ 3443.319997][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3443.319997][ T10] inet6_addr_add+0x4f8/0xa40 [ 3443.319997][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3443.319997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.319997][ T10] netlink_rcv_skb+0x130/0x360 [ 3443.319997][ T10] netlink_unicast+0x449/0x710 [ 3443.319997][ T10] netlink_sendmsg+0x723/0xbe0 [ 3443.319997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3443.319997][ T10] ___sys_sendmsg+0xee/0x170 [ 3443.319997][ T10] __sys_sendmsg+0xcd/0x170 [ 3443.319997][ T10] do_syscall_64+0xc6/0x1e0 [ 3443.319997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.319997][ T10] [ 3443.322293][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3443.322293][ T10] netdev_get_by_index+0x5e/0x80 [ 3443.322293][ T10] fib6_nh_init+0x3d8/0x1580 [ 3443.322293][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3443.322293][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3443.322293][ T10] ipv6_add_addr+0x411/0x2000 [ 3443.322293][ T10] inet6_addr_add+0x30e/0xa40 [ 3443.322293][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3443.322293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.322293][ T10] netlink_rcv_skb+0x130/0x360 [ 3443.322293][ T10] netlink_unicast+0x449/0x710 [ 3443.322293][ T10] netlink_sendmsg+0x723/0xbe0 [ 3443.322293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3443.322293][ T10] ___sys_sendmsg+0xee/0x170 [ 3443.322293][ T10] __sys_sendmsg+0xcd/0x170 [ 3443.322293][ T10] do_syscall_64+0xc6/0x1e0 [ 3443.322293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.322293][ T10] [ 3443.324666][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3443.324666][ T10] netdev_get_by_index+0x5e/0x80 [ 3443.324666][ T10] fib6_nh_init+0x3d8/0x1580 [ 3443.324666][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3443.324666][ T10] ip6_route_add+0x1c/0x140 [ 3443.324666][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3443.324666][ T10] addrconf_add_dev+0xe2/0x170 [ 3443.324666][ T10] inet6_addr_add+0x12f/0xa40 [ 3443.324666][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3443.324666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.324666][ T10] netlink_rcv_skb+0x130/0x360 [ 3443.324666][ T10] netlink_unicast+0x449/0x710 [ 3443.324666][ T10] netlink_sendmsg+0x723/0xbe0 [ 3443.324666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3443.324666][ T10] ___sys_sendmsg+0xee/0x170 [ 3443.324666][ T10] __sys_sendmsg+0xcd/0x170 [ 3443.324666][ T10] do_syscall_64+0xc6/0x1e0 [ 3443.324666][ T10] [ 3443.326923][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3443.326923][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3443.326923][ T10] ipv6_find_idev+0x102/0x170 [ 3443.326923][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3443.326923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.326923][ T10] netlink_rcv_skb+0x130/0x360 [ 3443.326923][ T10] netlink_unicast+0x449/0x710 [ 3443.326923][ T10] netlink_sendmsg+0x723/0xbe0 [ 3443.326923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3443.326923][ T10] ___sys_sendmsg+0xee/0x170 [ 3443.326923][ T10] __sys_sendmsg+0xcd/0x170 [ 3443.326923][ T10] do_syscall_64+0xc6/0x1e0 [ 3443.326923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.326923][ T10] [ 3443.328687][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3443.328687][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3443.328687][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3443.328687][ T10] ipv6_find_idev+0x102/0x170 [ 3443.328687][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3443.328687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.328687][ T10] netlink_rcv_skb+0x130/0x360 [ 3443.328687][ T10] netlink_unicast+0x449/0x710 [ 3443.328687][ T10] netlink_sendmsg+0x723/0xbe0 [ 3443.328687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3443.328687][ T10] ___sys_sendmsg+0xee/0x170 [ 3443.328687][ T10] __sys_sendmsg+0xcd/0x170 [ 3443.328687][ T10] do_syscall_64+0xc6/0x1e0 [ 3443.328687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.328687][ T10] [ 3443.385129][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3443.385590][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3443.385590][ T1167] dst_init+0x84/0x4a0 [ 3443.385590][ T1167] dst_alloc+0x97/0x150 [ 3443.385590][ T1167] ip6_dst_alloc+0x23/0x90 [ 3443.385590][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3443.385590][ T1167] ip6_pol_route+0x56f/0x840 [ 3443.385590][ T1167] fib6_rule_lookup+0x334/0x630 [ 3443.385590][ T1167] ip6_route_output_flags+0x259/0x480 [ 3443.385590][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3443.385590][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3443.385590][ T1167] netlink_rcv_skb+0x130/0x360 [ 3443.385590][ T1167] netlink_unicast+0x449/0x710 [ 3443.385590][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3443.385590][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3443.385590][ T1167] ___sys_sendmsg+0xee/0x170 [ 3443.385590][ T1167] __sys_sendmsg+0xcd/0x170 [ 3443.385590][ T1167] do_syscall_64+0xc6/0x1e0 [ 3443.385590][ T1167] [ 3443.387850][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3443.387850][ T1167] netdev_get_by_index+0x5e/0x80 [ 3443.387850][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3443.387850][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3443.387850][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3443.387850][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3443.387850][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3443.387850][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3443.387850][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3443.387850][ T1167] addrconf_dad_begin+0x310/0x670 [ 3443.387850][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3443.387850][ T1167] process_one_work+0x84d/0x18a0 [ 3443.387850][ T1167] worker_thread+0x587/0xd30 [ 3443.387850][ T1167] kthread+0x28a/0x350 [ 3443.387850][ T1167] ret_from_fork+0x31/0x70 [ 3443.387850][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3443.387850][ T1167] [ 3443.390051][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3443.390051][ T1167] netdev_get_by_index+0x5e/0x80 [ 3443.390051][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3443.390051][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3443.390051][ T1167] ip6_route_add+0x1c/0x140 [ 3443.390051][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3443.390051][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3443.390051][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3443.390051][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.390051][ T1167] netlink_rcv_skb+0x130/0x360 [ 3443.390051][ T1167] netlink_unicast+0x449/0x710 [ 3443.390051][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3443.390051][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3443.390051][ T1167] ___sys_sendmsg+0xee/0x170 [ 3443.390051][ T1167] __sys_sendmsg+0xcd/0x170 [ 3443.390051][ T1167] do_syscall_64+0xc6/0x1e0 [ 3443.390051][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.390051][ T1167] [ 3443.392480][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3443.392480][ T1167] netdev_get_by_index+0x5e/0x80 [ 3443.392480][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3443.392480][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3443.392480][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3443.392480][ T1167] ipv6_add_addr+0x411/0x2000 [ 3443.392480][ T1167] inet6_addr_add+0x30e/0xa40 [ 3443.392480][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3443.392480][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.392480][ T1167] netlink_rcv_skb+0x130/0x360 [ 3443.392480][ T1167] netlink_unicast+0x449/0x710 [ 3443.392480][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3443.392480][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3443.392480][ T1167] ___sys_sendmsg+0xee/0x170 [ 3443.392480][ T1167] __sys_sendmsg+0xcd/0x170 [ 3443.392480][ T1167] do_syscall_64+0xc6/0x1e0 [ 3443.392480][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.392480][ T1167] [ 3443.394778][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3443.394778][ T1167] netdev_get_by_index+0x5e/0x80 [ 3443.394778][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3443.394778][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3443.394778][ T1167] ip6_route_add+0x1c/0x140 [ 3443.394778][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3443.394778][ T1167] addrconf_add_dev+0xe2/0x170 [ 3443.394778][ T1167] inet6_addr_add+0x12f/0xa40 [ 3443.394778][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3443.394778][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.394778][ T1167] netlink_rcv_skb+0x130/0x360 [ 3443.394778][ T1167] netlink_unicast+0x449/0x710 [ 3443.394778][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3443.394778][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3443.394778][ T1167] ___sys_sendmsg+0xee/0x170 [ 3443.394778][ T1167] __sys_sendmsg+0xcd/0x170 [ 3443.394778][ T1167] do_syscall_64+0xc6/0x1e0 [ 3443.394778][ T1167] [ 3443.397026][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3443.397026][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3443.397026][ T1167] ipv6_find_idev+0x102/0x170 [ 3443.397026][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3443.397026][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.397026][ T1167] netlink_rcv_skb+0x130/0x360 [ 3443.397026][ T1167] netlink_unicast+0x449/0x710 [ 3443.397026][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3443.397026][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3443.397026][ T1167] ___sys_sendmsg+0xee/0x170 [ 3443.397026][ T1167] __sys_sendmsg+0xcd/0x170 [ 3443.397026][ T1167] do_syscall_64+0xc6/0x1e0 [ 3443.397026][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.397026][ T1167] [ 3443.398771][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3443.398771][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3443.398771][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3443.398771][ T1167] ipv6_find_idev+0x102/0x170 [ 3443.398771][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3443.398771][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.398771][ T1167] netlink_rcv_skb+0x130/0x360 [ 3443.398771][ T1167] netlink_unicast+0x449/0x710 [ 3443.398771][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3443.398771][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3443.398771][ T1167] ___sys_sendmsg+0xee/0x170 [ 3443.398771][ T1167] __sys_sendmsg+0xcd/0x170 [ 3443.398771][ T1167] do_syscall_64+0xc6/0x1e0 [ 3443.398771][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.398771][ T1167] [ 3453.385179][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3453.385641][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3453.385641][ T10] netdev_get_by_index+0x5e/0x80 [ 3453.385641][ T10] fib6_nh_init+0x3d8/0x1580 [ 3453.385641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3453.385641][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3453.385641][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3453.385641][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3453.385641][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3453.385641][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3453.385641][ T10] addrconf_dad_begin+0x310/0x670 [ 3453.385641][ T10] addrconf_dad_work+0x10b/0xab0 [ 3453.385641][ T10] process_one_work+0x84d/0x18a0 [ 3453.385641][ T10] worker_thread+0x587/0xd30 [ 3453.385641][ T10] kthread+0x28a/0x350 [ 3453.385641][ T10] ret_from_fork+0x31/0x70 [ 3453.385641][ T10] ret_from_fork_asm+0x1a/0x30 [ 3453.385641][ T10] [ 3453.387605][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3453.387605][ T10] netdev_get_by_index+0x5e/0x80 [ 3453.387605][ T10] fib6_nh_init+0x3d8/0x1580 [ 3453.387605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3453.387605][ T10] ip6_route_add+0x1c/0x140 [ 3453.387605][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3453.387605][ T10] inet6_addr_add+0x4f8/0xa40 [ 3453.387605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3453.387605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.387605][ T10] netlink_rcv_skb+0x130/0x360 [ 3453.387605][ T10] netlink_unicast+0x449/0x710 [ 3453.387605][ T10] netlink_sendmsg+0x723/0xbe0 [ 3453.387605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3453.387605][ T10] ___sys_sendmsg+0xee/0x170 [ 3453.387605][ T10] __sys_sendmsg+0xcd/0x170 [ 3453.387605][ T10] do_syscall_64+0xc6/0x1e0 [ 3453.387605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.387605][ T10] [ 3453.389639][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3453.389639][ T10] netdev_get_by_index+0x5e/0x80 [ 3453.389639][ T10] fib6_nh_init+0x3d8/0x1580 [ 3453.389639][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3453.389639][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3453.389639][ T10] ipv6_add_addr+0x411/0x2000 [ 3453.389639][ T10] inet6_addr_add+0x30e/0xa40 [ 3453.389639][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3453.389639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.389639][ T10] netlink_rcv_skb+0x130/0x360 [ 3453.389639][ T10] netlink_unicast+0x449/0x710 [ 3453.389639][ T10] netlink_sendmsg+0x723/0xbe0 [ 3453.389639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3453.389639][ T10] ___sys_sendmsg+0xee/0x170 [ 3453.389639][ T10] __sys_sendmsg+0xcd/0x170 [ 3453.389639][ T10] do_syscall_64+0xc6/0x1e0 [ 3453.389639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.389639][ T10] [ 3453.391659][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3453.391659][ T10] netdev_get_by_index+0x5e/0x80 [ 3453.391659][ T10] fib6_nh_init+0x3d8/0x1580 [ 3453.391659][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3453.391659][ T10] ip6_route_add+0x1c/0x140 [ 3453.391659][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3453.391659][ T10] addrconf_add_dev+0xe2/0x170 [ 3453.391659][ T10] inet6_addr_add+0x12f/0xa40 [ 3453.391659][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3453.391659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.391659][ T10] netlink_rcv_skb+0x130/0x360 [ 3453.391659][ T10] netlink_unicast+0x449/0x710 [ 3453.391659][ T10] netlink_sendmsg+0x723/0xbe0 [ 3453.391659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3453.391659][ T10] ___sys_sendmsg+0xee/0x170 [ 3453.391659][ T10] __sys_sendmsg+0xcd/0x170 [ 3453.391659][ T10] do_syscall_64+0xc6/0x1e0 [ 3453.391659][ T10] [ 3453.393765][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3453.393765][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3453.393765][ T10] ipv6_find_idev+0x102/0x170 [ 3453.393765][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3453.393765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.393765][ T10] netlink_rcv_skb+0x130/0x360 [ 3453.393765][ T10] netlink_unicast+0x449/0x710 [ 3453.393765][ T10] netlink_sendmsg+0x723/0xbe0 [ 3453.393765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3453.393765][ T10] ___sys_sendmsg+0xee/0x170 [ 3453.393765][ T10] __sys_sendmsg+0xcd/0x170 [ 3453.393765][ T10] do_syscall_64+0xc6/0x1e0 [ 3453.393765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.393765][ T10] [ 3453.395327][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3453.395327][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3453.395327][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3453.395327][ T10] ipv6_find_idev+0x102/0x170 [ 3453.395327][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3453.395327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.395327][ T10] netlink_rcv_skb+0x130/0x360 [ 3453.395327][ T10] netlink_unicast+0x449/0x710 [ 3453.395327][ T10] netlink_sendmsg+0x723/0xbe0 [ 3453.395327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3453.395327][ T10] ___sys_sendmsg+0xee/0x170 [ 3453.395327][ T10] __sys_sendmsg+0xcd/0x170 [ 3453.395327][ T10] do_syscall_64+0xc6/0x1e0 [ 3453.395327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.395327][ T10] [ 3453.397067][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3453.397315][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3453.397315][ T10] netdev_get_by_index+0x5e/0x80 [ 3453.397315][ T10] fib6_nh_init+0x3d8/0x1580 [ 3453.397315][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3453.397315][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3453.397315][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3453.397315][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3453.397315][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3453.397315][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3453.397315][ T10] addrconf_dad_begin+0x310/0x670 [ 3453.397315][ T10] addrconf_dad_work+0x10b/0xab0 [ 3453.397315][ T10] process_one_work+0x84d/0x18a0 [ 3453.397315][ T10] worker_thread+0x587/0xd30 [ 3453.397315][ T10] kthread+0x28a/0x350 [ 3453.397315][ T10] ret_from_fork+0x31/0x70 [ 3453.397315][ T10] ret_from_fork_asm+0x1a/0x30 [ 3453.397315][ T10] [ 3453.399253][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3453.399253][ T10] netdev_get_by_index+0x5e/0x80 [ 3453.399253][ T10] fib6_nh_init+0x3d8/0x1580 [ 3453.399253][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3453.399253][ T10] ip6_route_add+0x1c/0x140 [ 3453.399253][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3453.399253][ T10] inet6_addr_add+0x4f8/0xa40 [ 3453.399253][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3453.399253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.399253][ T10] netlink_rcv_skb+0x130/0x360 [ 3453.399253][ T10] netlink_unicast+0x449/0x710 [ 3453.399253][ T10] netlink_sendmsg+0x723/0xbe0 [ 3453.399253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3453.399253][ T10] ___sys_sendmsg+0xee/0x170 [ 3453.399253][ T10] __sys_sendmsg+0xcd/0x170 [ 3453.399253][ T10] do_syscall_64+0xc6/0x1e0 [ 3453.399253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.399253][ T10] [ 3453.401264][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3453.401264][ T10] netdev_get_by_index+0x5e/0x80 [ 3453.401264][ T10] fib6_nh_init+0x3d8/0x1580 [ 3453.401264][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3453.401264][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3453.401264][ T10] ipv6_add_addr+0x411/0x2000 [ 3453.401264][ T10] inet6_addr_add+0x30e/0xa40 [ 3453.401264][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3453.401264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.401264][ T10] netlink_rcv_skb+0x130/0x360 [ 3453.401264][ T10] netlink_unicast+0x449/0x710 [ 3453.401264][ T10] netlink_sendmsg+0x723/0xbe0 [ 3453.401264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3453.401264][ T10] ___sys_sendmsg+0xee/0x170 [ 3453.401264][ T10] __sys_sendmsg+0xcd/0x170 [ 3453.401264][ T10] do_syscall_64+0xc6/0x1e0 [ 3453.401264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.401264][ T10] [ 3453.403288][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3453.403288][ T10] netdev_get_by_index+0x5e/0x80 [ 3453.403288][ T10] fib6_nh_init+0x3d8/0x1580 [ 3453.403288][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3453.403288][ T10] ip6_route_add+0x1c/0x140 [ 3453.403288][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3453.403288][ T10] addrconf_add_dev+0xe2/0x170 [ 3453.403288][ T10] inet6_addr_add+0x12f/0xa40 [ 3453.403288][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3453.403288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.403288][ T10] netlink_rcv_skb+0x130/0x360 [ 3453.403288][ T10] netlink_unicast+0x449/0x710 [ 3453.403288][ T10] netlink_sendmsg+0x723/0xbe0 [ 3453.403288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3453.403288][ T10] ___sys_sendmsg+0xee/0x170 [ 3453.403288][ T10] __sys_sendmsg+0xcd/0x170 [ 3453.403288][ T10] do_syscall_64+0xc6/0x1e0 [ 3453.403288][ T10] [ 3453.405262][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3453.405262][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3453.405262][ T10] ipv6_find_idev+0x102/0x170 [ 3453.405262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3453.405262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.405262][ T10] netlink_rcv_skb+0x130/0x360 [ 3453.405262][ T10] netlink_unicast+0x449/0x710 [ 3453.405262][ T10] netlink_sendmsg+0x723/0xbe0 [ 3453.405262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3453.405262][ T10] ___sys_sendmsg+0xee/0x170 [ 3453.405262][ T10] __sys_sendmsg+0xcd/0x170 [ 3453.405262][ T10] do_syscall_64+0xc6/0x1e0 [ 3453.405262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.405262][ T10] [ 3453.406821][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3453.406821][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3453.406821][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3453.406821][ T10] ipv6_find_idev+0x102/0x170 [ 3453.406821][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3453.406821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.406821][ T10] netlink_rcv_skb+0x130/0x360 [ 3453.406821][ T10] netlink_unicast+0x449/0x710 [ 3453.406821][ T10] netlink_sendmsg+0x723/0xbe0 [ 3453.406821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3453.406821][ T10] ___sys_sendmsg+0xee/0x170 [ 3453.406821][ T10] __sys_sendmsg+0xcd/0x170 [ 3453.406821][ T10] do_syscall_64+0xc6/0x1e0 [ 3453.406821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.406821][ T10] [ 3453.408559][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3453.408799][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3453.408799][ T10] netdev_get_by_index+0x5e/0x80 [ 3453.408799][ T10] fib6_nh_init+0x3d8/0x1580 [ 3453.408799][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3453.408799][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3453.408799][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3453.408799][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3453.408799][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3453.408799][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3453.408799][ T10] addrconf_dad_begin+0x310/0x670 [ 3453.408799][ T10] addrconf_dad_work+0x10b/0xab0 [ 3453.408799][ T10] process_one_work+0x84d/0x18a0 [ 3453.408799][ T10] worker_thread+0x587/0xd30 [ 3453.408799][ T10] kthread+0x28a/0x350 [ 3453.408799][ T10] ret_from_fork+0x31/0x70 [ 3453.408799][ T10] ret_from_fork_asm+0x1a/0x30 [ 3453.408799][ T10] [ 3453.410731][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3453.410731][ T10] netdev_get_by_index+0x5e/0x80 [ 3453.410731][ T10] fib6_nh_init+0x3d8/0x1580 [ 3453.410731][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3453.410731][ T10] ip6_route_add+0x1c/0x140 [ 3453.410731][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3453.410731][ T10] inet6_addr_add+0x4f8/0xa40 [ 3453.410731][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3453.410731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.410731][ T10] netlink_rcv_skb+0x130/0x360 [ 3453.410731][ T10] netlink_unicast+0x449/0x710 [ 3453.410731][ T10] netlink_sendmsg+0x723/0xbe0 [ 3453.410731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3453.410731][ T10] ___sys_sendmsg+0xee/0x170 [ 3453.410731][ T10] __sys_sendmsg+0xcd/0x170 [ 3453.410731][ T10] do_syscall_64+0xc6/0x1e0 [ 3453.410731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.410731][ T10] [ 3453.413471][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3453.413471][ T10] netdev_get_by_index+0x5e/0x80 [ 3453.413471][ T10] fib6_nh_init+0x3d8/0x1580 [ 3453.413471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3453.413471][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3453.413471][ T10] ipv6_add_addr+0x411/0x2000 [ 3453.413471][ T10] inet6_addr_add+0x30e/0xa40 [ 3453.413471][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3453.413471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.413471][ T10] netlink_rcv_skb+0x130/0x360 [ 3453.413471][ T10] netlink_unicast+0x449/0x710 [ 3453.413471][ T10] netlink_sendmsg+0x723/0xbe0 [ 3453.413471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3453.413471][ T10] ___sys_sendmsg+0xee/0x170 [ 3453.413471][ T10] __sys_sendmsg+0xcd/0x170 [ 3453.413471][ T10] do_syscall_64+0xc6/0x1e0 [ 3453.413471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.413471][ T10] [ 3453.415719][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3453.415719][ T10] netdev_get_by_index+0x5e/0x80 [ 3453.415719][ T10] fib6_nh_init+0x3d8/0x1580 [ 3453.415719][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3453.415719][ T10] ip6_route_add+0x1c/0x140 [ 3453.415719][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3453.415719][ T10] addrconf_add_dev+0xe2/0x170 [ 3453.415719][ T10] inet6_addr_add+0x12f/0xa40 [ 3453.415719][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3453.415719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.415719][ T10] netlink_rcv_skb+0x130/0x360 [ 3453.415719][ T10] netlink_unicast+0x449/0x710 [ 3453.415719][ T10] netlink_sendmsg+0x723/0xbe0 [ 3453.415719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3453.415719][ T10] ___sys_sendmsg+0xee/0x170 [ 3453.415719][ T10] __sys_sendmsg+0xcd/0x170 [ 3453.415719][ T10] do_syscall_64+0xc6/0x1e0 [ 3453.415719][ T10] [ 3453.417990][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3453.417990][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3453.417990][ T10] ipv6_find_idev+0x102/0x170 [ 3453.417990][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3453.417990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.417990][ T10] netlink_rcv_skb+0x130/0x360 [ 3453.417990][ T10] netlink_unicast+0x449/0x710 [ 3453.417990][ T10] netlink_sendmsg+0x723/0xbe0 [ 3453.417990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3453.417990][ T10] ___sys_sendmsg+0xee/0x170 [ 3453.417990][ T10] __sys_sendmsg+0xcd/0x170 [ 3453.417990][ T10] do_syscall_64+0xc6/0x1e0 [ 3453.417990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.417990][ T10] [ 3453.419729][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3453.419729][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3453.419729][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3453.419729][ T10] ipv6_find_idev+0x102/0x170 [ 3453.419729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3453.419729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.419729][ T10] netlink_rcv_skb+0x130/0x360 [ 3453.419729][ T10] netlink_unicast+0x449/0x710 [ 3453.419729][ T10] netlink_sendmsg+0x723/0xbe0 [ 3453.419729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3453.419729][ T10] ___sys_sendmsg+0xee/0x170 [ 3453.419729][ T10] __sys_sendmsg+0xcd/0x170 [ 3453.419729][ T10] do_syscall_64+0xc6/0x1e0 [ 3453.419729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.419729][ T10] [ 3453.421605][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3453.421859][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3453.421859][ T10] netdev_get_by_index+0x5e/0x80 [ 3453.421859][ T10] fib6_nh_init+0x3d8/0x1580 [ 3453.421859][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3453.421859][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3453.421859][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3453.421859][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3453.421859][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3453.421859][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3453.421859][ T10] addrconf_dad_begin+0x310/0x670 [ 3453.421859][ T10] addrconf_dad_work+0x10b/0xab0 [ 3453.421859][ T10] process_one_work+0x84d/0x18a0 [ 3453.421859][ T10] worker_thread+0x587/0xd30 [ 3453.421859][ T10] kthread+0x28a/0x350 [ 3453.421859][ T10] ret_from_fork+0x31/0x70 [ 3453.421859][ T10] ret_from_fork_asm+0x1a/0x30 [ 3453.421859][ T10] [ 3453.424014][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3453.424014][ T10] netdev_get_by_index+0x5e/0x80 [ 3453.424014][ T10] fib6_nh_init+0x3d8/0x1580 [ 3453.424014][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3453.424014][ T10] ip6_route_add+0x1c/0x140 [ 3453.424014][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3453.424014][ T10] inet6_addr_add+0x4f8/0xa40 [ 3453.424014][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3453.424014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.424014][ T10] netlink_rcv_skb+0x130/0x360 [ 3453.424014][ T10] netlink_unicast+0x449/0x710 [ 3453.424014][ T10] netlink_sendmsg+0x723/0xbe0 [ 3453.424014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3453.424014][ T10] ___sys_sendmsg+0xee/0x170 [ 3453.424014][ T10] __sys_sendmsg+0xcd/0x170 [ 3453.424014][ T10] do_syscall_64+0xc6/0x1e0 [ 3453.424014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.424014][ T10] [ 3453.426278][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3453.426278][ T10] netdev_get_by_index+0x5e/0x80 [ 3453.426278][ T10] fib6_nh_init+0x3d8/0x1580 [ 3453.426278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3453.426278][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3453.426278][ T10] ipv6_add_addr+0x411/0x2000 [ 3453.426278][ T10] inet6_addr_add+0x30e/0xa40 [ 3453.426278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3453.426278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.426278][ T10] netlink_rcv_skb+0x130/0x360 [ 3453.426278][ T10] netlink_unicast+0x449/0x710 [ 3453.426278][ T10] netlink_sendmsg+0x723/0xbe0 [ 3453.426278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3453.426278][ T10] ___sys_sendmsg+0xee/0x170 [ 3453.426278][ T10] __sys_sendmsg+0xcd/0x170 [ 3453.426278][ T10] do_syscall_64+0xc6/0x1e0 [ 3453.426278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.426278][ T10] [ 3453.428585][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3453.428585][ T10] netdev_get_by_index+0x5e/0x80 [ 3453.428585][ T10] fib6_nh_init+0x3d8/0x1580 [ 3453.428585][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3453.428585][ T10] ip6_route_add+0x1c/0x140 [ 3453.428585][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3453.428585][ T10] addrconf_add_dev+0xe2/0x170 [ 3453.428585][ T10] inet6_addr_add+0x12f/0xa40 [ 3453.428585][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3453.428585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.428585][ T10] netlink_rcv_skb+0x130/0x360 [ 3453.428585][ T10] netlink_unicast+0x449/0x710 [ 3453.428585][ T10] netlink_sendmsg+0x723/0xbe0 [ 3453.428585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3453.428585][ T10] ___sys_sendmsg+0xee/0x170 [ 3453.428585][ T10] __sys_sendmsg+0xcd/0x170 [ 3453.428585][ T10] do_syscall_64+0xc6/0x1e0 [ 3453.428585][ T10] [ 3453.433136][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3453.433136][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3453.433136][ T10] ipv6_find_idev+0x102/0x170 [ 3453.433136][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3453.433136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.433136][ T10] netlink_rcv_skb+0x130/0x360 [ 3453.433136][ T10] netlink_unicast+0x449/0x710 [ 3453.433136][ T10] netlink_sendmsg+0x723/0xbe0 [ 3453.433136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3453.433136][ T10] ___sys_sendmsg+0xee/0x170 [ 3453.433136][ T10] __sys_sendmsg+0xcd/0x170 [ 3453.433136][ T10] do_syscall_64+0xc6/0x1e0 [ 3453.433136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.433136][ T10] [ 3453.434874][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3453.434874][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3453.434874][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3453.434874][ T10] ipv6_find_idev+0x102/0x170 [ 3453.434874][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3453.434874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.434874][ T10] netlink_rcv_skb+0x130/0x360 [ 3453.434874][ T10] netlink_unicast+0x449/0x710 [ 3453.434874][ T10] netlink_sendmsg+0x723/0xbe0 [ 3453.434874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3453.434874][ T10] ___sys_sendmsg+0xee/0x170 [ 3453.434874][ T10] __sys_sendmsg+0xcd/0x170 [ 3453.434874][ T10] do_syscall_64+0xc6/0x1e0 [ 3453.434874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.434874][ T10] [ 3453.641205][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3453.641697][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3453.641697][ T1167] dst_init+0x84/0x4a0 [ 3453.641697][ T1167] dst_alloc+0x97/0x150 [ 3453.641697][ T1167] ip6_dst_alloc+0x23/0x90 [ 3453.641697][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3453.641697][ T1167] ip6_pol_route+0x56f/0x840 [ 3453.641697][ T1167] fib6_rule_lookup+0x334/0x630 [ 3453.641697][ T1167] ip6_route_output_flags+0x259/0x480 [ 3453.641697][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3453.641697][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3453.641697][ T1167] netlink_rcv_skb+0x130/0x360 [ 3453.641697][ T1167] netlink_unicast+0x449/0x710 [ 3453.641697][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3453.641697][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3453.641697][ T1167] ___sys_sendmsg+0xee/0x170 [ 3453.641697][ T1167] __sys_sendmsg+0xcd/0x170 [ 3453.641697][ T1167] do_syscall_64+0xc6/0x1e0 [ 3453.641697][ T1167] [ 3453.643883][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3453.643883][ T1167] netdev_get_by_index+0x5e/0x80 [ 3453.643883][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3453.643883][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3453.643883][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3453.643883][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3453.643883][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3453.643883][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3453.643883][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3453.643883][ T1167] addrconf_dad_begin+0x310/0x670 [ 3453.643883][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3453.643883][ T1167] process_one_work+0x84d/0x18a0 [ 3453.643883][ T1167] worker_thread+0x587/0xd30 [ 3453.643883][ T1167] kthread+0x28a/0x350 [ 3453.643883][ T1167] ret_from_fork+0x31/0x70 [ 3453.643883][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3453.643883][ T1167] [ 3453.646021][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3453.646021][ T1167] netdev_get_by_index+0x5e/0x80 [ 3453.646021][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3453.646021][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3453.646021][ T1167] ip6_route_add+0x1c/0x140 [ 3453.646021][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3453.646021][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3453.646021][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3453.646021][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.646021][ T1167] netlink_rcv_skb+0x130/0x360 [ 3453.646021][ T1167] netlink_unicast+0x449/0x710 [ 3453.646021][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3453.646021][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3453.646021][ T1167] ___sys_sendmsg+0xee/0x170 [ 3453.646021][ T1167] __sys_sendmsg+0xcd/0x170 [ 3453.646021][ T1167] do_syscall_64+0xc6/0x1e0 [ 3453.646021][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.646021][ T1167] [ 3453.648265][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3453.648265][ T1167] netdev_get_by_index+0x5e/0x80 [ 3453.648265][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3453.648265][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3453.648265][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3453.648265][ T1167] ipv6_add_addr+0x411/0x2000 [ 3453.648265][ T1167] inet6_addr_add+0x30e/0xa40 [ 3453.648265][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3453.648265][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.648265][ T1167] netlink_rcv_skb+0x130/0x360 [ 3453.648265][ T1167] netlink_unicast+0x449/0x710 [ 3453.648265][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3453.648265][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3453.648265][ T1167] ___sys_sendmsg+0xee/0x170 [ 3453.648265][ T1167] __sys_sendmsg+0xcd/0x170 [ 3453.648265][ T1167] do_syscall_64+0xc6/0x1e0 [ 3453.648265][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.648265][ T1167] [ 3453.650500][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3453.650500][ T1167] netdev_get_by_index+0x5e/0x80 [ 3453.650500][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3453.650500][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3453.650500][ T1167] ip6_route_add+0x1c/0x140 [ 3453.650500][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3453.650500][ T1167] addrconf_add_dev+0xe2/0x170 [ 3453.650500][ T1167] inet6_addr_add+0x12f/0xa40 [ 3453.650500][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3453.650500][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.650500][ T1167] netlink_rcv_skb+0x130/0x360 [ 3453.650500][ T1167] netlink_unicast+0x449/0x710 [ 3453.650500][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3453.650500][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3453.650500][ T1167] ___sys_sendmsg+0xee/0x170 [ 3453.650500][ T1167] __sys_sendmsg+0xcd/0x170 [ 3453.650500][ T1167] do_syscall_64+0xc6/0x1e0 [ 3453.650500][ T1167] [ 3453.652696][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3453.652696][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3453.652696][ T1167] ipv6_find_idev+0x102/0x170 [ 3453.652696][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3453.652696][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.652696][ T1167] netlink_rcv_skb+0x130/0x360 [ 3453.652696][ T1167] netlink_unicast+0x449/0x710 [ 3453.652696][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3453.652696][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3453.652696][ T1167] ___sys_sendmsg+0xee/0x170 [ 3453.652696][ T1167] __sys_sendmsg+0xcd/0x170 [ 3453.652696][ T1167] do_syscall_64+0xc6/0x1e0 [ 3453.652696][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.652696][ T1167] [ 3453.654407][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3453.654407][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3453.654407][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3453.654407][ T1167] ipv6_find_idev+0x102/0x170 [ 3453.654407][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3453.654407][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.654407][ T1167] netlink_rcv_skb+0x130/0x360 [ 3453.654407][ T1167] netlink_unicast+0x449/0x710 [ 3453.654407][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3453.654407][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3453.654407][ T1167] ___sys_sendmsg+0xee/0x170 [ 3453.654407][ T1167] __sys_sendmsg+0xcd/0x170 [ 3453.654407][ T1167] do_syscall_64+0xc6/0x1e0 [ 3453.654407][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.654407][ T1167] [ 3463.513123][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3463.513479][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3463.513479][ T10] netdev_get_by_index+0x5e/0x80 [ 3463.513479][ T10] fib6_nh_init+0x3d8/0x1580 [ 3463.513479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3463.513479][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3463.513479][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3463.513479][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3463.513479][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3463.513479][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3463.513479][ T10] addrconf_dad_begin+0x310/0x670 [ 3463.513479][ T10] addrconf_dad_work+0x10b/0xab0 [ 3463.513479][ T10] process_one_work+0x84d/0x18a0 [ 3463.513479][ T10] worker_thread+0x587/0xd30 [ 3463.513479][ T10] kthread+0x28a/0x350 [ 3463.513479][ T10] ret_from_fork+0x31/0x70 [ 3463.513479][ T10] ret_from_fork_asm+0x1a/0x30 [ 3463.513479][ T10] [ 3463.515498][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3463.515498][ T10] netdev_get_by_index+0x5e/0x80 [ 3463.515498][ T10] fib6_nh_init+0x3d8/0x1580 [ 3463.515498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3463.515498][ T10] ip6_route_add+0x1c/0x140 [ 3463.515498][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3463.515498][ T10] inet6_addr_add+0x4f8/0xa40 [ 3463.515498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3463.515498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.515498][ T10] netlink_rcv_skb+0x130/0x360 [ 3463.515498][ T10] netlink_unicast+0x449/0x710 [ 3463.515498][ T10] netlink_sendmsg+0x723/0xbe0 [ 3463.515498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3463.515498][ T10] ___sys_sendmsg+0xee/0x170 [ 3463.515498][ T10] __sys_sendmsg+0xcd/0x170 [ 3463.515498][ T10] do_syscall_64+0xc6/0x1e0 [ 3463.515498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.515498][ T10] [ 3463.517487][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3463.517487][ T10] netdev_get_by_index+0x5e/0x80 [ 3463.517487][ T10] fib6_nh_init+0x3d8/0x1580 [ 3463.517487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3463.517487][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3463.517487][ T10] ipv6_add_addr+0x411/0x2000 [ 3463.517487][ T10] inet6_addr_add+0x30e/0xa40 [ 3463.517487][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3463.517487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.517487][ T10] netlink_rcv_skb+0x130/0x360 [ 3463.517487][ T10] netlink_unicast+0x449/0x710 [ 3463.517487][ T10] netlink_sendmsg+0x723/0xbe0 [ 3463.517487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3463.517487][ T10] ___sys_sendmsg+0xee/0x170 [ 3463.517487][ T10] __sys_sendmsg+0xcd/0x170 [ 3463.517487][ T10] do_syscall_64+0xc6/0x1e0 [ 3463.517487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.517487][ T10] [ 3463.519472][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3463.519472][ T10] netdev_get_by_index+0x5e/0x80 [ 3463.519472][ T10] fib6_nh_init+0x3d8/0x1580 [ 3463.519472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3463.519472][ T10] ip6_route_add+0x1c/0x140 [ 3463.519472][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3463.519472][ T10] addrconf_add_dev+0xe2/0x170 [ 3463.519472][ T10] inet6_addr_add+0x12f/0xa40 [ 3463.519472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3463.519472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.519472][ T10] netlink_rcv_skb+0x130/0x360 [ 3463.519472][ T10] netlink_unicast+0x449/0x710 [ 3463.519472][ T10] netlink_sendmsg+0x723/0xbe0 [ 3463.519472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3463.519472][ T10] ___sys_sendmsg+0xee/0x170 [ 3463.519472][ T10] __sys_sendmsg+0xcd/0x170 [ 3463.519472][ T10] do_syscall_64+0xc6/0x1e0 [ 3463.519472][ T10] [ 3463.521458][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3463.521458][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3463.521458][ T10] ipv6_find_idev+0x102/0x170 [ 3463.521458][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3463.521458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.521458][ T10] netlink_rcv_skb+0x130/0x360 [ 3463.521458][ T10] netlink_unicast+0x449/0x710 [ 3463.521458][ T10] netlink_sendmsg+0x723/0xbe0 [ 3463.521458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3463.521458][ T10] ___sys_sendmsg+0xee/0x170 [ 3463.521458][ T10] __sys_sendmsg+0xcd/0x170 [ 3463.521458][ T10] do_syscall_64+0xc6/0x1e0 [ 3463.521458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.521458][ T10] [ 3463.523000][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3463.523000][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3463.523000][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3463.523000][ T10] ipv6_find_idev+0x102/0x170 [ 3463.523000][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3463.523000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.523000][ T10] netlink_rcv_skb+0x130/0x360 [ 3463.523000][ T10] netlink_unicast+0x449/0x710 [ 3463.523000][ T10] netlink_sendmsg+0x723/0xbe0 [ 3463.523000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3463.523000][ T10] ___sys_sendmsg+0xee/0x170 [ 3463.523000][ T10] __sys_sendmsg+0xcd/0x170 [ 3463.523000][ T10] do_syscall_64+0xc6/0x1e0 [ 3463.523000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.523000][ T10] [ 3463.524688][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3463.524929][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3463.524929][ T10] netdev_get_by_index+0x5e/0x80 [ 3463.524929][ T10] fib6_nh_init+0x3d8/0x1580 [ 3463.524929][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3463.524929][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3463.524929][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3463.524929][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3463.524929][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3463.524929][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3463.524929][ T10] addrconf_dad_begin+0x310/0x670 [ 3463.524929][ T10] addrconf_dad_work+0x10b/0xab0 [ 3463.524929][ T10] process_one_work+0x84d/0x18a0 [ 3463.524929][ T10] worker_thread+0x587/0xd30 [ 3463.524929][ T10] kthread+0x28a/0x350 [ 3463.524929][ T10] ret_from_fork+0x31/0x70 [ 3463.524929][ T10] ret_from_fork_asm+0x1a/0x30 [ 3463.524929][ T10] [ 3463.526839][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3463.526839][ T10] netdev_get_by_index+0x5e/0x80 [ 3463.526839][ T10] fib6_nh_init+0x3d8/0x1580 [ 3463.526839][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3463.526839][ T10] ip6_route_add+0x1c/0x140 [ 3463.526839][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3463.526839][ T10] inet6_addr_add+0x4f8/0xa40 [ 3463.526839][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3463.526839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.526839][ T10] netlink_rcv_skb+0x130/0x360 [ 3463.526839][ T10] netlink_unicast+0x449/0x710 [ 3463.526839][ T10] netlink_sendmsg+0x723/0xbe0 [ 3463.526839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3463.526839][ T10] ___sys_sendmsg+0xee/0x170 [ 3463.526839][ T10] __sys_sendmsg+0xcd/0x170 [ 3463.526839][ T10] do_syscall_64+0xc6/0x1e0 [ 3463.526839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.526839][ T10] [ 3463.528835][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3463.528835][ T10] netdev_get_by_index+0x5e/0x80 [ 3463.528835][ T10] fib6_nh_init+0x3d8/0x1580 [ 3463.528835][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3463.528835][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3463.528835][ T10] ipv6_add_addr+0x411/0x2000 [ 3463.528835][ T10] inet6_addr_add+0x30e/0xa40 [ 3463.528835][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3463.528835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.528835][ T10] netlink_rcv_skb+0x130/0x360 [ 3463.528835][ T10] netlink_unicast+0x449/0x710 [ 3463.528835][ T10] netlink_sendmsg+0x723/0xbe0 [ 3463.528835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3463.528835][ T10] ___sys_sendmsg+0xee/0x170 [ 3463.528835][ T10] __sys_sendmsg+0xcd/0x170 [ 3463.528835][ T10] do_syscall_64+0xc6/0x1e0 [ 3463.528835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.528835][ T10] [ 3463.530814][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3463.530814][ T10] netdev_get_by_index+0x5e/0x80 [ 3463.530814][ T10] fib6_nh_init+0x3d8/0x1580 [ 3463.530814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3463.530814][ T10] ip6_route_add+0x1c/0x140 [ 3463.530814][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3463.530814][ T10] addrconf_add_dev+0xe2/0x170 [ 3463.530814][ T10] inet6_addr_add+0x12f/0xa40 [ 3463.530814][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3463.530814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.530814][ T10] netlink_rcv_skb+0x130/0x360 [ 3463.530814][ T10] netlink_unicast+0x449/0x710 [ 3463.530814][ T10] netlink_sendmsg+0x723/0xbe0 [ 3463.530814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3463.530814][ T10] ___sys_sendmsg+0xee/0x170 [ 3463.530814][ T10] __sys_sendmsg+0xcd/0x170 [ 3463.530814][ T10] do_syscall_64+0xc6/0x1e0 [ 3463.530814][ T10] [ 3463.532768][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3463.532768][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3463.532768][ T10] ipv6_find_idev+0x102/0x170 [ 3463.532768][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3463.532768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.532768][ T10] netlink_rcv_skb+0x130/0x360 [ 3463.532768][ T10] netlink_unicast+0x449/0x710 [ 3463.532768][ T10] netlink_sendmsg+0x723/0xbe0 [ 3463.532768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3463.532768][ T10] ___sys_sendmsg+0xee/0x170 [ 3463.532768][ T10] __sys_sendmsg+0xcd/0x170 [ 3463.532768][ T10] do_syscall_64+0xc6/0x1e0 [ 3463.532768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.532768][ T10] [ 3463.534293][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3463.534293][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3463.534293][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3463.534293][ T10] ipv6_find_idev+0x102/0x170 [ 3463.534293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3463.534293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.534293][ T10] netlink_rcv_skb+0x130/0x360 [ 3463.534293][ T10] netlink_unicast+0x449/0x710 [ 3463.534293][ T10] netlink_sendmsg+0x723/0xbe0 [ 3463.534293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3463.534293][ T10] ___sys_sendmsg+0xee/0x170 [ 3463.534293][ T10] __sys_sendmsg+0xcd/0x170 [ 3463.534293][ T10] do_syscall_64+0xc6/0x1e0 [ 3463.534293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.534293][ T10] [ 3463.535951][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3463.536204][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3463.536204][ T10] netdev_get_by_index+0x5e/0x80 [ 3463.536204][ T10] fib6_nh_init+0x3d8/0x1580 [ 3463.536204][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3463.536204][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3463.536204][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3463.536204][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3463.536204][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3463.536204][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3463.536204][ T10] addrconf_dad_begin+0x310/0x670 [ 3463.536204][ T10] addrconf_dad_work+0x10b/0xab0 [ 3463.536204][ T10] process_one_work+0x84d/0x18a0 [ 3463.536204][ T10] worker_thread+0x587/0xd30 [ 3463.536204][ T10] kthread+0x28a/0x350 [ 3463.536204][ T10] ret_from_fork+0x31/0x70 [ 3463.536204][ T10] ret_from_fork_asm+0x1a/0x30 [ 3463.536204][ T10] [ 3463.538108][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3463.538108][ T10] netdev_get_by_index+0x5e/0x80 [ 3463.538108][ T10] fib6_nh_init+0x3d8/0x1580 [ 3463.538108][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3463.538108][ T10] ip6_route_add+0x1c/0x140 [ 3463.538108][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3463.538108][ T10] inet6_addr_add+0x4f8/0xa40 [ 3463.538108][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3463.538108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.538108][ T10] netlink_rcv_skb+0x130/0x360 [ 3463.538108][ T10] netlink_unicast+0x449/0x710 [ 3463.538108][ T10] netlink_sendmsg+0x723/0xbe0 [ 3463.538108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3463.538108][ T10] ___sys_sendmsg+0xee/0x170 [ 3463.538108][ T10] __sys_sendmsg+0xcd/0x170 [ 3463.538108][ T10] do_syscall_64+0xc6/0x1e0 [ 3463.538108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.538108][ T10] [ 3463.540273][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3463.540273][ T10] netdev_get_by_index+0x5e/0x80 [ 3463.540273][ T10] fib6_nh_init+0x3d8/0x1580 [ 3463.540273][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3463.540273][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3463.540273][ T10] ipv6_add_addr+0x411/0x2000 [ 3463.540273][ T10] inet6_addr_add+0x30e/0xa40 [ 3463.540273][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3463.540273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.540273][ T10] netlink_rcv_skb+0x130/0x360 [ 3463.540273][ T10] netlink_unicast+0x449/0x710 [ 3463.540273][ T10] netlink_sendmsg+0x723/0xbe0 [ 3463.540273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3463.540273][ T10] ___sys_sendmsg+0xee/0x170 [ 3463.540273][ T10] __sys_sendmsg+0xcd/0x170 [ 3463.540273][ T10] do_syscall_64+0xc6/0x1e0 [ 3463.540273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.540273][ T10] [ 3463.542569][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3463.542569][ T10] netdev_get_by_index+0x5e/0x80 [ 3463.542569][ T10] fib6_nh_init+0x3d8/0x1580 [ 3463.542569][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3463.542569][ T10] ip6_route_add+0x1c/0x140 [ 3463.542569][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3463.542569][ T10] addrconf_add_dev+0xe2/0x170 [ 3463.542569][ T10] inet6_addr_add+0x12f/0xa40 [ 3463.542569][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3463.542569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.542569][ T10] netlink_rcv_skb+0x130/0x360 [ 3463.542569][ T10] netlink_unicast+0x449/0x710 [ 3463.542569][ T10] netlink_sendmsg+0x723/0xbe0 [ 3463.542569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3463.542569][ T10] ___sys_sendmsg+0xee/0x170 [ 3463.542569][ T10] __sys_sendmsg+0xcd/0x170 [ 3463.542569][ T10] do_syscall_64+0xc6/0x1e0 [ 3463.542569][ T10] [ 3463.544703][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3463.544703][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3463.544703][ T10] ipv6_find_idev+0x102/0x170 [ 3463.544703][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3463.544703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.544703][ T10] netlink_rcv_skb+0x130/0x360 [ 3463.544703][ T10] netlink_unicast+0x449/0x710 [ 3463.544703][ T10] netlink_sendmsg+0x723/0xbe0 [ 3463.544703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3463.544703][ T10] ___sys_sendmsg+0xee/0x170 [ 3463.544703][ T10] __sys_sendmsg+0xcd/0x170 [ 3463.544703][ T10] do_syscall_64+0xc6/0x1e0 [ 3463.544703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.544703][ T10] [ 3463.546427][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3463.546427][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3463.546427][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3463.546427][ T10] ipv6_find_idev+0x102/0x170 [ 3463.546427][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3463.546427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.546427][ T10] netlink_rcv_skb+0x130/0x360 [ 3463.546427][ T10] netlink_unicast+0x449/0x710 [ 3463.546427][ T10] netlink_sendmsg+0x723/0xbe0 [ 3463.546427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3463.546427][ T10] ___sys_sendmsg+0xee/0x170 [ 3463.546427][ T10] __sys_sendmsg+0xcd/0x170 [ 3463.546427][ T10] do_syscall_64+0xc6/0x1e0 [ 3463.546427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.546427][ T10] [ 3463.548354][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3463.548588][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3463.548588][ T10] netdev_get_by_index+0x5e/0x80 [ 3463.548588][ T10] fib6_nh_init+0x3d8/0x1580 [ 3463.548588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3463.548588][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3463.548588][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3463.548588][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3463.548588][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3463.548588][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3463.548588][ T10] addrconf_dad_begin+0x310/0x670 [ 3463.548588][ T10] addrconf_dad_work+0x10b/0xab0 [ 3463.548588][ T10] process_one_work+0x84d/0x18a0 [ 3463.548588][ T10] worker_thread+0x587/0xd30 [ 3463.548588][ T10] kthread+0x28a/0x350 [ 3463.548588][ T10] ret_from_fork+0x31/0x70 [ 3463.548588][ T10] ret_from_fork_asm+0x1a/0x30 [ 3463.548588][ T10] [ 3463.550737][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3463.550737][ T10] netdev_get_by_index+0x5e/0x80 [ 3463.550737][ T10] fib6_nh_init+0x3d8/0x1580 [ 3463.550737][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3463.550737][ T10] ip6_route_add+0x1c/0x140 [ 3463.550737][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3463.550737][ T10] inet6_addr_add+0x4f8/0xa40 [ 3463.550737][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3463.550737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.550737][ T10] netlink_rcv_skb+0x130/0x360 [ 3463.550737][ T10] netlink_unicast+0x449/0x710 [ 3463.550737][ T10] netlink_sendmsg+0x723/0xbe0 [ 3463.550737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3463.550737][ T10] ___sys_sendmsg+0xee/0x170 [ 3463.550737][ T10] __sys_sendmsg+0xcd/0x170 [ 3463.550737][ T10] do_syscall_64+0xc6/0x1e0 [ 3463.550737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.550737][ T10] [ 3463.553009][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3463.553009][ T10] netdev_get_by_index+0x5e/0x80 [ 3463.553009][ T10] fib6_nh_init+0x3d8/0x1580 [ 3463.553009][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3463.553009][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3463.553009][ T10] ipv6_add_addr+0x411/0x2000 [ 3463.553009][ T10] inet6_addr_add+0x30e/0xa40 [ 3463.553009][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3463.553009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.553009][ T10] netlink_rcv_skb+0x130/0x360 [ 3463.553009][ T10] netlink_unicast+0x449/0x710 [ 3463.553009][ T10] netlink_sendmsg+0x723/0xbe0 [ 3463.553009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3463.553009][ T10] ___sys_sendmsg+0xee/0x170 [ 3463.553009][ T10] __sys_sendmsg+0xcd/0x170 [ 3463.553009][ T10] do_syscall_64+0xc6/0x1e0 [ 3463.553009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.553009][ T10] [ 3463.555259][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3463.555259][ T10] netdev_get_by_index+0x5e/0x80 [ 3463.555259][ T10] fib6_nh_init+0x3d8/0x1580 [ 3463.555259][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3463.555259][ T10] ip6_route_add+0x1c/0x140 [ 3463.555259][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3463.555259][ T10] addrconf_add_dev+0xe2/0x170 [ 3463.555259][ T10] inet6_addr_add+0x12f/0xa40 [ 3463.555259][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3463.555259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.555259][ T10] netlink_rcv_skb+0x130/0x360 [ 3463.555259][ T10] netlink_unicast+0x449/0x710 [ 3463.555259][ T10] netlink_sendmsg+0x723/0xbe0 [ 3463.555259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3463.555259][ T10] ___sys_sendmsg+0xee/0x170 [ 3463.555259][ T10] __sys_sendmsg+0xcd/0x170 [ 3463.555259][ T10] do_syscall_64+0xc6/0x1e0 [ 3463.555259][ T10] [ 3463.557457][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3463.557457][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3463.557457][ T10] ipv6_find_idev+0x102/0x170 [ 3463.557457][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3463.557457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.557457][ T10] netlink_rcv_skb+0x130/0x360 [ 3463.557457][ T10] netlink_unicast+0x449/0x710 [ 3463.557457][ T10] netlink_sendmsg+0x723/0xbe0 [ 3463.557457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3463.557457][ T10] ___sys_sendmsg+0xee/0x170 [ 3463.557457][ T10] __sys_sendmsg+0xcd/0x170 [ 3463.557457][ T10] do_syscall_64+0xc6/0x1e0 [ 3463.557457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.557457][ T10] [ 3463.559174][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3463.559174][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3463.559174][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3463.559174][ T10] ipv6_find_idev+0x102/0x170 [ 3463.559174][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3463.559174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.559174][ T10] netlink_rcv_skb+0x130/0x360 [ 3463.559174][ T10] netlink_unicast+0x449/0x710 [ 3463.559174][ T10] netlink_sendmsg+0x723/0xbe0 [ 3463.559174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3463.559174][ T10] ___sys_sendmsg+0xee/0x170 [ 3463.559174][ T10] __sys_sendmsg+0xcd/0x170 [ 3463.559174][ T10] do_syscall_64+0xc6/0x1e0 [ 3463.559174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.559174][ T10] [ 3463.897116][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3463.897626][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3463.897626][ T1167] dst_init+0x84/0x4a0 [ 3463.897626][ T1167] dst_alloc+0x97/0x150 [ 3463.897626][ T1167] ip6_dst_alloc+0x23/0x90 [ 3463.897626][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3463.897626][ T1167] ip6_pol_route+0x56f/0x840 [ 3463.897626][ T1167] fib6_rule_lookup+0x334/0x630 [ 3463.897626][ T1167] ip6_route_output_flags+0x259/0x480 [ 3463.897626][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3463.897626][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3463.897626][ T1167] netlink_rcv_skb+0x130/0x360 [ 3463.897626][ T1167] netlink_unicast+0x449/0x710 [ 3463.897626][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3463.897626][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3463.897626][ T1167] ___sys_sendmsg+0xee/0x170 [ 3463.897626][ T1167] __sys_sendmsg+0xcd/0x170 [ 3463.897626][ T1167] do_syscall_64+0xc6/0x1e0 [ 3463.897626][ T1167] [ 3463.899830][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3463.899830][ T1167] netdev_get_by_index+0x5e/0x80 [ 3463.899830][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3463.899830][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3463.899830][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3463.899830][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3463.899830][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3463.899830][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3463.899830][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3463.899830][ T1167] addrconf_dad_begin+0x310/0x670 [ 3463.899830][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3463.899830][ T1167] process_one_work+0x84d/0x18a0 [ 3463.899830][ T1167] worker_thread+0x587/0xd30 [ 3463.899830][ T1167] kthread+0x28a/0x350 [ 3463.899830][ T1167] ret_from_fork+0x31/0x70 [ 3463.899830][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3463.899830][ T1167] [ 3463.902001][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3463.902001][ T1167] netdev_get_by_index+0x5e/0x80 [ 3463.902001][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3463.902001][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3463.902001][ T1167] ip6_route_add+0x1c/0x140 [ 3463.902001][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3463.902001][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3463.902001][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3463.902001][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.902001][ T1167] netlink_rcv_skb+0x130/0x360 [ 3463.902001][ T1167] netlink_unicast+0x449/0x710 [ 3463.902001][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3463.902001][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3463.902001][ T1167] ___sys_sendmsg+0xee/0x170 [ 3463.902001][ T1167] __sys_sendmsg+0xcd/0x170 [ 3463.902001][ T1167] do_syscall_64+0xc6/0x1e0 [ 3463.902001][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.902001][ T1167] [ 3463.904253][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3463.904253][ T1167] netdev_get_by_index+0x5e/0x80 [ 3463.904253][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3463.904253][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3463.904253][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3463.904253][ T1167] ipv6_add_addr+0x411/0x2000 [ 3463.904253][ T1167] inet6_addr_add+0x30e/0xa40 [ 3463.904253][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3463.904253][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.904253][ T1167] netlink_rcv_skb+0x130/0x360 [ 3463.904253][ T1167] netlink_unicast+0x449/0x710 [ 3463.904253][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3463.904253][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3463.904253][ T1167] ___sys_sendmsg+0xee/0x170 [ 3463.904253][ T1167] __sys_sendmsg+0xcd/0x170 [ 3463.904253][ T1167] do_syscall_64+0xc6/0x1e0 [ 3463.904253][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.904253][ T1167] [ 3463.906510][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3463.906510][ T1167] netdev_get_by_index+0x5e/0x80 [ 3463.906510][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3463.906510][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3463.906510][ T1167] ip6_route_add+0x1c/0x140 [ 3463.906510][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3463.906510][ T1167] addrconf_add_dev+0xe2/0x170 [ 3463.906510][ T1167] inet6_addr_add+0x12f/0xa40 [ 3463.906510][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3463.906510][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.906510][ T1167] netlink_rcv_skb+0x130/0x360 [ 3463.906510][ T1167] netlink_unicast+0x449/0x710 [ 3463.906510][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3463.906510][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3463.906510][ T1167] ___sys_sendmsg+0xee/0x170 [ 3463.906510][ T1167] __sys_sendmsg+0xcd/0x170 [ 3463.906510][ T1167] do_syscall_64+0xc6/0x1e0 [ 3463.906510][ T1167] [ 3463.908720][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3463.908720][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3463.908720][ T1167] ipv6_find_idev+0x102/0x170 [ 3463.908720][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3463.908720][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.908720][ T1167] netlink_rcv_skb+0x130/0x360 [ 3463.908720][ T1167] netlink_unicast+0x449/0x710 [ 3463.908720][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3463.908720][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3463.908720][ T1167] ___sys_sendmsg+0xee/0x170 [ 3463.908720][ T1167] __sys_sendmsg+0xcd/0x170 [ 3463.908720][ T1167] do_syscall_64+0xc6/0x1e0 [ 3463.908720][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.908720][ T1167] [ 3463.910980][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3463.910980][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3463.910980][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3463.910980][ T1167] ipv6_find_idev+0x102/0x170 [ 3463.910980][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3463.910980][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.910980][ T1167] netlink_rcv_skb+0x130/0x360 [ 3463.910980][ T1167] netlink_unicast+0x449/0x710 [ 3463.910980][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3463.910980][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3463.910980][ T1167] ___sys_sendmsg+0xee/0x170 [ 3463.910980][ T1167] __sys_sendmsg+0xcd/0x170 [ 3463.910980][ T1167] do_syscall_64+0xc6/0x1e0 [ 3463.910980][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.910980][ T1167] [ 3473.817182][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3473.817603][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3473.817603][ T10] netdev_get_by_index+0x5e/0x80 [ 3473.817603][ T10] fib6_nh_init+0x3d8/0x1580 [ 3473.817603][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3473.817603][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3473.817603][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3473.817603][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3473.817603][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3473.817603][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3473.817603][ T10] addrconf_dad_begin+0x310/0x670 [ 3473.817603][ T10] addrconf_dad_work+0x10b/0xab0 [ 3473.817603][ T10] process_one_work+0x84d/0x18a0 [ 3473.817603][ T10] worker_thread+0x587/0xd30 [ 3473.817603][ T10] kthread+0x28a/0x350 [ 3473.817603][ T10] ret_from_fork+0x31/0x70 [ 3473.817603][ T10] ret_from_fork_asm+0x1a/0x30 [ 3473.817603][ T10] [ 3473.819558][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3473.819558][ T10] netdev_get_by_index+0x5e/0x80 [ 3473.819558][ T10] fib6_nh_init+0x3d8/0x1580 [ 3473.819558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3473.819558][ T10] ip6_route_add+0x1c/0x140 [ 3473.819558][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3473.819558][ T10] inet6_addr_add+0x4f8/0xa40 [ 3473.819558][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3473.819558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3473.819558][ T10] netlink_rcv_skb+0x130/0x360 [ 3473.819558][ T10] netlink_unicast+0x449/0x710 [ 3473.819558][ T10] netlink_sendmsg+0x723/0xbe0 [ 3473.819558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3473.819558][ T10] ___sys_sendmsg+0xee/0x170 [ 3473.819558][ T10] __sys_sendmsg+0xcd/0x170 [ 3473.819558][ T10] do_syscall_64+0xc6/0x1e0 [ 3473.819558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3473.819558][ T10] [ 3473.821629][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3473.821629][ T10] netdev_get_by_index+0x5e/0x80 [ 3473.821629][ T10] fib6_nh_init+0x3d8/0x1580 [ 3473.821629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3473.821629][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3473.821629][ T10] ipv6_add_addr+0x411/0x2000 [ 3473.821629][ T10] inet6_addr_add+0x30e/0xa40 [ 3473.821629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3473.821629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3473.821629][ T10] netlink_rcv_skb+0x130/0x360 [ 3473.821629][ T10] netlink_unicast+0x449/0x710 [ 3473.821629][ T10] netlink_sendmsg+0x723/0xbe0 [ 3473.821629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3473.821629][ T10] ___sys_sendmsg+0xee/0x170 [ 3473.821629][ T10] __sys_sendmsg+0xcd/0x170 [ 3473.821629][ T10] do_syscall_64+0xc6/0x1e0 [ 3473.821629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3473.821629][ T10] [ 3473.823642][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3473.823642][ T10] netdev_get_by_index+0x5e/0x80 [ 3473.823642][ T10] fib6_nh_init+0x3d8/0x1580 [ 3473.823642][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3473.823642][ T10] ip6_route_add+0x1c/0x140 [ 3473.823642][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3473.823642][ T10] addrconf_add_dev+0xe2/0x170 [ 3473.823642][ T10] inet6_addr_add+0x12f/0xa40 [ 3473.823642][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3473.823642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3473.823642][ T10] netlink_rcv_skb+0x130/0x360 [ 3473.823642][ T10] netlink_unicast+0x449/0x710 [ 3473.823642][ T10] netlink_sendmsg+0x723/0xbe0 [ 3473.823642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3473.823642][ T10] ___sys_sendmsg+0xee/0x170 [ 3473.823642][ T10] __sys_sendmsg+0xcd/0x170 [ 3473.823642][ T10] do_syscall_64+0xc6/0x1e0 [ 3473.823642][ T10] [ 3473.825605][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3473.825605][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3473.825605][ T10] ipv6_find_idev+0x102/0x170 [ 3473.825605][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3473.825605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3473.825605][ T10] netlink_rcv_skb+0x130/0x360 [ 3473.825605][ T10] netlink_unicast+0x449/0x710 [ 3473.825605][ T10] netlink_sendmsg+0x723/0xbe0 [ 3473.825605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3473.825605][ T10] ___sys_sendmsg+0xee/0x170 [ 3473.825605][ T10] __sys_sendmsg+0xcd/0x170 [ 3473.825605][ T10] do_syscall_64+0xc6/0x1e0 [ 3473.825605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3473.825605][ T10] [ 3473.827148][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3473.827148][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3473.827148][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3473.827148][ T10] ipv6_find_idev+0x102/0x170 [ 3473.827148][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3473.827148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3473.827148][ T10] netlink_rcv_skb+0x130/0x360 [ 3473.827148][ T10] netlink_unicast+0x449/0x710 [ 3473.827148][ T10] netlink_sendmsg+0x723/0xbe0 [ 3473.827148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3473.827148][ T10] ___sys_sendmsg+0xee/0x170 [ 3473.827148][ T10] __sys_sendmsg+0xcd/0x170 [ 3473.827148][ T10] do_syscall_64+0xc6/0x1e0 [ 3473.827148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3473.827148][ T10] [ 3473.828851][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3473.829112][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3473.829112][ T10] netdev_get_by_index+0x5e/0x80 [ 3473.829112][ T10] fib6_nh_init+0x3d8/0x1580 [ 3473.829112][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3473.829112][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3473.829112][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3473.829112][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3473.829112][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3473.829112][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3473.829112][ T10] addrconf_dad_begin+0x310/0x670 [ 3473.829112][ T10] addrconf_dad_work+0x10b/0xab0 [ 3473.829112][ T10] process_one_work+0x84d/0x18a0 [ 3473.829112][ T10] worker_thread+0x587/0xd30 [ 3473.829112][ T10] kthread+0x28a/0x350 [ 3473.829112][ T10] ret_from_fork+0x31/0x70 [ 3473.829112][ T10] ret_from_fork_asm+0x1a/0x30 [ 3473.829112][ T10] [ 3473.831074][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3473.831074][ T10] netdev_get_by_index+0x5e/0x80 [ 3473.831074][ T10] fib6_nh_init+0x3d8/0x1580 [ 3473.831074][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3473.831074][ T10] ip6_route_add+0x1c/0x140 [ 3473.831074][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3473.831074][ T10] inet6_addr_add+0x4f8/0xa40 [ 3473.831074][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3473.831074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3473.831074][ T10] netlink_rcv_skb+0x130/0x360 [ 3473.831074][ T10] netlink_unicast+0x449/0x710 [ 3473.831074][ T10] netlink_sendmsg+0x723/0xbe0 [ 3473.831074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3473.831074][ T10] ___sys_sendmsg+0xee/0x170 [ 3473.831074][ T10] __sys_sendmsg+0xcd/0x170 [ 3473.831074][ T10] do_syscall_64+0xc6/0x1e0 [ 3473.831074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3473.831074][ T10] [ 3473.833088][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3473.833088][ T10] netdev_get_by_index+0x5e/0x80 [ 3473.833088][ T10] fib6_nh_init+0x3d8/0x1580 [ 3473.833088][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3473.833088][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3473.833088][ T10] ipv6_add_addr+0x411/0x2000 [ 3473.833088][ T10] inet6_addr_add+0x30e/0xa40 [ 3473.833088][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3473.833088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3473.833088][ T10] netlink_rcv_skb+0x130/0x360 [ 3473.833088][ T10] netlink_unicast+0x449/0x710 [ 3473.833088][ T10] netlink_sendmsg+0x723/0xbe0 [ 3473.833088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3473.833088][ T10] ___sys_sendmsg+0xee/0x170 [ 3473.833088][ T10] __sys_sendmsg+0xcd/0x170 [ 3473.833088][ T10] do_syscall_64+0xc6/0x1e0 [ 3473.833088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3473.833088][ T10] [ 3473.835127][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3473.835127][ T10] netdev_get_by_index+0x5e/0x80 [ 3473.835127][ T10] fib6_nh_init+0x3d8/0x1580 [ 3473.835127][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3473.835127][ T10] ip6_route_add+0x1c/0x140 [ 3473.835127][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3473.835127][ T10] addrconf_add_dev+0xe2/0x170 [ 3473.835127][ T10] inet6_addr_add+0x12f/0xa40 [ 3473.835127][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3473.835127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3473.835127][ T10] netlink_rcv_skb+0x130/0x360 [ 3473.835127][ T10] netlink_unicast+0x449/0x710 [ 3473.835127][ T10] netlink_sendmsg+0x723/0xbe0 [ 3473.835127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3473.835127][ T10] ___sys_sendmsg+0xee/0x170 [ 3473.835127][ T10] __sys_sendmsg+0xcd/0x170 [ 3473.835127][ T10] do_syscall_64+0xc6/0x1e0 [ 3473.835127][ T10] [ 3473.837096][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3473.837096][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3473.837096][ T10] ipv6_find_idev+0x102/0x170 [ 3473.837096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3473.837096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3473.837096][ T10] netlink_rcv_skb+0x130/0x360 [ 3473.837096][ T10] netlink_unicast+0x449/0x710 [ 3473.837096][ T10] netlink_sendmsg+0x723/0xbe0 [ 3473.837096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3473.837096][ T10] ___sys_sendmsg+0xee/0x170 [ 3473.837096][ T10] __sys_sendmsg+0xcd/0x170 [ 3473.837096][ T10] do_syscall_64+0xc6/0x1e0 [ 3473.837096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3473.837096][ T10] [ 3473.838628][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3473.838628][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3473.838628][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3473.838628][ T10] ipv6_find_idev+0x102/0x170 [ 3473.838628][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3473.838628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3473.838628][ T10] netlink_rcv_skb+0x130/0x360 [ 3473.838628][ T10] netlink_unicast+0x449/0x710 [ 3473.838628][ T10] netlink_sendmsg+0x723/0xbe0 [ 3473.838628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3473.838628][ T10] ___sys_sendmsg+0xee/0x170 [ 3473.838628][ T10] __sys_sendmsg+0xcd/0x170 [ 3473.838628][ T10] do_syscall_64+0xc6/0x1e0 [ 3473.838628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3473.838628][ T10] [ 3473.840297][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3473.840537][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3473.840537][ T10] netdev_get_by_index+0x5e/0x80 [ 3473.840537][ T10] fib6_nh_init+0x3d8/0x1580 [ 3473.840537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3473.840537][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3473.840537][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3473.840537][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3473.840537][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3473.840537][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3473.840537][ T10] addrconf_dad_begin+0x310/0x670 [ 3473.840537][ T10] addrconf_dad_work+0x10b/0xab0 [ 3473.840537][ T10] process_one_work+0x84d/0x18a0 [ 3473.840537][ T10] worker_thread+0x587/0xd30 [ 3473.840537][ T10] kthread+0x28a/0x350 [ 3473.840537][ T10] ret_from_fork+0x31/0x70 [ 3473.840537][ T10] ret_from_fork_asm+0x1a/0x30 [ 3473.840537][ T10] [ 3473.842441][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3473.842441][ T10] netdev_get_by_index+0x5e/0x80 [ 3473.842441][ T10] fib6_nh_init+0x3d8/0x1580 [ 3473.842441][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3473.842441][ T10] ip6_route_add+0x1c/0x140 [ 3473.842441][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3473.842441][ T10] inet6_addr_add+0x4f8/0xa40 [ 3473.842441][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3473.842441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3473.842441][ T10] netlink_rcv_skb+0x130/0x360 [ 3473.842441][ T10] netlink_unicast+0x449/0x710 [ 3473.842441][ T10] netlink_sendmsg+0x723/0xbe0 [ 3473.842441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3473.842441][ T10] ___sys_sendmsg+0xee/0x170 [ 3473.842441][ T10] __sys_sendmsg+0xcd/0x170 [ 3473.842441][ T10] do_syscall_64+0xc6/0x1e0 [ 3473.842441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3473.842441][ T10] [ 3473.844501][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3473.844501][ T10] netdev_get_by_index+0x5e/0x80 [ 3473.844501][ T10] fib6_nh_init+0x3d8/0x1580 [ 3473.844501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3473.844501][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3473.844501][ T10] ipv6_add_addr+0x411/0x2000 [ 3473.844501][ T10] inet6_addr_add+0x30e/0xa40 [ 3473.844501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3473.844501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3473.844501][ T10] netlink_rcv_skb+0x130/0x360 [ 3473.844501][ T10] netlink_unicast+0x449/0x710 [ 3473.844501][ T10] netlink_sendmsg+0x723/0xbe0 [ 3473.844501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3473.844501][ T10] ___sys_sendmsg+0xee/0x170 [ 3473.844501][ T10] __sys_sendmsg+0xcd/0x170 [ 3473.844501][ T10] do_syscall_64+0xc6/0x1e0 [ 3473.844501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3473.844501][ T10] [ 3473.846621][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3473.846621][ T10] netdev_get_by_index+0x5e/0x80 [ 3473.846621][ T10] fib6_nh_init+0x3d8/0x1580 [ 3473.846621][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3473.846621][ T10] ip6_route_add+0x1c/0x140 [ 3473.846621][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3473.846621][ T10] addrconf_add_dev+0xe2/0x170 [ 3473.846621][ T10] inet6_addr_add+0x12f/0xa40 [ 3473.846621][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3473.846621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3473.846621][ T10] netlink_rcv_skb+0x130/0x360 [ 3473.846621][ T10] netlink_unicast+0x449/0x710 [ 3473.846621][ T10] netlink_sendmsg+0x723/0xbe0 [ 3473.846621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3473.846621][ T10] ___sys_sendmsg+0xee/0x170 [ 3473.846621][ T10] __sys_sendmsg+0xcd/0x170 [ 3473.846621][ T10] do_syscall_64+0xc6/0x1e0 [ 3473.846621][ T10] [ 3473.848698][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3473.848698][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3473.848698][ T10] ipv6_find_idev+0x102/0x170 [ 3473.848698][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3473.848698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3473.848698][ T10] netlink_rcv_skb+0x130/0x360 [ 3473.848698][ T10] netlink_unicast+0x449/0x710 [ 3473.848698][ T10] netlink_sendmsg+0x723/0xbe0 [ 3473.848698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3473.848698][ T10] ___sys_sendmsg+0xee/0x170 [ 3473.848698][ T10] __sys_sendmsg+0xcd/0x170 [ 3473.848698][ T10] do_syscall_64+0xc6/0x1e0 [ 3473.848698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3473.848698][ T10] [ 3473.850360][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3473.850360][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3473.850360][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3473.850360][ T10] ipv6_find_idev+0x102/0x170 [ 3473.850360][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3473.850360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3473.850360][ T10] netlink_rcv_skb+0x130/0x360 [ 3473.850360][ T10] netlink_unicast+0x449/0x710 [ 3473.850360][ T10] netlink_sendmsg+0x723/0xbe0 [ 3473.850360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3473.850360][ T10] ___sys_sendmsg+0xee/0x170 [ 3473.850360][ T10] __sys_sendmsg+0xcd/0x170 [ 3473.850360][ T10] do_syscall_64+0xc6/0x1e0 [ 3473.850360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3473.850360][ T10] [ 3473.852106][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3473.852341][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3473.852341][ T10] netdev_get_by_index+0x5e/0x80 [ 3473.852341][ T10] fib6_nh_init+0x3d8/0x1580 [ 3473.852341][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3473.852341][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3473.852341][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3473.852341][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3473.852341][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3473.852341][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3473.852341][ T10] addrconf_dad_begin+0x310/0x670 [ 3473.852341][ T10] addrconf_dad_work+0x10b/0xab0 [ 3473.852341][ T10] process_one_work+0x84d/0x18a0 [ 3473.852341][ T10] worker_thread+0x587/0xd30 [ 3473.852341][ T10] kthread+0x28a/0x350 [ 3473.852341][ T10] ret_from_fork+0x31/0x70 [ 3473.852341][ T10] ret_from_fork_asm+0x1a/0x30 [ 3473.852341][ T10] [ 3473.854390][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3473.854390][ T10] netdev_get_by_index+0x5e/0x80 [ 3473.854390][ T10] fib6_nh_init+0x3d8/0x1580 [ 3473.854390][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3473.854390][ T10] ip6_route_add+0x1c/0x140 [ 3473.854390][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3473.854390][ T10] inet6_addr_add+0x4f8/0xa40 [ 3473.854390][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3473.854390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3473.854390][ T10] netlink_rcv_skb+0x130/0x360 [ 3473.854390][ T10] netlink_unicast+0x449/0x710 [ 3473.854390][ T10] netlink_sendmsg+0x723/0xbe0 [ 3473.854390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3473.854390][ T10] ___sys_sendmsg+0xee/0x170 [ 3473.854390][ T10] __sys_sendmsg+0xcd/0x170 [ 3473.854390][ T10] do_syscall_64+0xc6/0x1e0 [ 3473.854390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3473.854390][ T10] [ 3473.856531][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3473.856531][ T10] netdev_get_by_index+0x5e/0x80 [ 3473.856531][ T10] fib6_nh_init+0x3d8/0x1580 [ 3473.856531][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3473.856531][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3473.856531][ T10] ipv6_add_addr+0x411/0x2000 [ 3473.856531][ T10] inet6_addr_add+0x30e/0xa40 [ 3473.856531][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3473.856531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3473.856531][ T10] netlink_rcv_skb+0x130/0x360 [ 3473.856531][ T10] netlink_unicast+0x449/0x710 [ 3473.856531][ T10] netlink_sendmsg+0x723/0xbe0 [ 3473.856531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3473.856531][ T10] ___sys_sendmsg+0xee/0x170 [ 3473.856531][ T10] __sys_sendmsg+0xcd/0x170 [ 3473.856531][ T10] do_syscall_64+0xc6/0x1e0 [ 3473.856531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3473.856531][ T10] [ 3473.858721][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3473.858721][ T10] netdev_get_by_index+0x5e/0x80 [ 3473.858721][ T10] fib6_nh_init+0x3d8/0x1580 [ 3473.858721][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3473.858721][ T10] ip6_route_add+0x1c/0x140 [ 3473.858721][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3473.858721][ T10] addrconf_add_dev+0xe2/0x170 [ 3473.858721][ T10] inet6_addr_add+0x12f/0xa40 [ 3473.858721][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3473.858721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3473.858721][ T10] netlink_rcv_skb+0x130/0x360 [ 3473.858721][ T10] netlink_unicast+0x449/0x710 [ 3473.858721][ T10] netlink_sendmsg+0x723/0xbe0 [ 3473.858721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3473.858721][ T10] ___sys_sendmsg+0xee/0x170 [ 3473.858721][ T10] __sys_sendmsg+0xcd/0x170 [ 3473.858721][ T10] do_syscall_64+0xc6/0x1e0 [ 3473.858721][ T10] [ 3473.860831][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3473.860831][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3473.860831][ T10] ipv6_find_idev+0x102/0x170 [ 3473.860831][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3473.860831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3473.860831][ T10] netlink_rcv_skb+0x130/0x360 [ 3473.860831][ T10] netlink_unicast+0x449/0x710 [ 3473.860831][ T10] netlink_sendmsg+0x723/0xbe0 [ 3473.860831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3473.860831][ T10] ___sys_sendmsg+0xee/0x170 [ 3473.860831][ T10] __sys_sendmsg+0xcd/0x170 [ 3473.860831][ T10] do_syscall_64+0xc6/0x1e0 [ 3473.860831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3473.860831][ T10] [ 3473.862446][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3473.862446][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3473.862446][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3473.862446][ T10] ipv6_find_idev+0x102/0x170 [ 3473.862446][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3473.862446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3473.862446][ T10] netlink_rcv_skb+0x130/0x360 [ 3473.862446][ T10] netlink_unicast+0x449/0x710 [ 3473.862446][ T10] netlink_sendmsg+0x723/0xbe0 [ 3473.862446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3473.862446][ T10] ___sys_sendmsg+0xee/0x170 [ 3473.862446][ T10] __sys_sendmsg+0xcd/0x170 [ 3473.862446][ T10] do_syscall_64+0xc6/0x1e0 [ 3473.862446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3473.862446][ T10] [ 3474.073137][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3474.073647][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3474.073647][ T1167] dst_init+0x84/0x4a0 [ 3474.073647][ T1167] dst_alloc+0x97/0x150 [ 3474.073647][ T1167] ip6_dst_alloc+0x23/0x90 [ 3474.073647][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3474.073647][ T1167] ip6_pol_route+0x56f/0x840 [ 3474.073647][ T1167] fib6_rule_lookup+0x334/0x630 [ 3474.073647][ T1167] ip6_route_output_flags+0x259/0x480 [ 3474.073647][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3474.073647][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3474.073647][ T1167] netlink_rcv_skb+0x130/0x360 [ 3474.073647][ T1167] netlink_unicast+0x449/0x710 [ 3474.073647][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3474.073647][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3474.073647][ T1167] ___sys_sendmsg+0xee/0x170 [ 3474.073647][ T1167] __sys_sendmsg+0xcd/0x170 [ 3474.073647][ T1167] do_syscall_64+0xc6/0x1e0 [ 3474.073647][ T1167] [ 3474.075859][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3474.075859][ T1167] netdev_get_by_index+0x5e/0x80 [ 3474.075859][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3474.075859][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3474.075859][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3474.075859][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3474.075859][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3474.075859][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3474.075859][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3474.075859][ T1167] addrconf_dad_begin+0x310/0x670 [ 3474.075859][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3474.075859][ T1167] process_one_work+0x84d/0x18a0 [ 3474.075859][ T1167] worker_thread+0x587/0xd30 [ 3474.075859][ T1167] kthread+0x28a/0x350 [ 3474.075859][ T1167] ret_from_fork+0x31/0x70 [ 3474.075859][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3474.075859][ T1167] [ 3474.078011][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3474.078011][ T1167] netdev_get_by_index+0x5e/0x80 [ 3474.078011][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3474.078011][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3474.078011][ T1167] ip6_route_add+0x1c/0x140 [ 3474.078011][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3474.078011][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3474.078011][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3474.078011][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3474.078011][ T1167] netlink_rcv_skb+0x130/0x360 [ 3474.078011][ T1167] netlink_unicast+0x449/0x710 [ 3474.078011][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3474.078011][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3474.078011][ T1167] ___sys_sendmsg+0xee/0x170 [ 3474.078011][ T1167] __sys_sendmsg+0xcd/0x170 [ 3474.078011][ T1167] do_syscall_64+0xc6/0x1e0 [ 3474.078011][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3474.078011][ T1167] [ 3474.080245][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3474.080245][ T1167] netdev_get_by_index+0x5e/0x80 [ 3474.080245][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3474.080245][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3474.080245][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3474.080245][ T1167] ipv6_add_addr+0x411/0x2000 [ 3474.080245][ T1167] inet6_addr_add+0x30e/0xa40 [ 3474.080245][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3474.080245][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3474.080245][ T1167] netlink_rcv_skb+0x130/0x360 [ 3474.080245][ T1167] netlink_unicast+0x449/0x710 [ 3474.080245][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3474.080245][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3474.080245][ T1167] ___sys_sendmsg+0xee/0x170 [ 3474.080245][ T1167] __sys_sendmsg+0xcd/0x170 [ 3474.080245][ T1167] do_syscall_64+0xc6/0x1e0 [ 3474.080245][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3474.080245][ T1167] [ 3474.082513][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3474.082513][ T1167] netdev_get_by_index+0x5e/0x80 [ 3474.082513][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3474.082513][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3474.082513][ T1167] ip6_route_add+0x1c/0x140 [ 3474.082513][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3474.082513][ T1167] addrconf_add_dev+0xe2/0x170 [ 3474.082513][ T1167] inet6_addr_add+0x12f/0xa40 [ 3474.082513][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3474.082513][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3474.082513][ T1167] netlink_rcv_skb+0x130/0x360 [ 3474.082513][ T1167] netlink_unicast+0x449/0x710 [ 3474.082513][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3474.082513][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3474.082513][ T1167] ___sys_sendmsg+0xee/0x170 [ 3474.082513][ T1167] __sys_sendmsg+0xcd/0x170 [ 3474.082513][ T1167] do_syscall_64+0xc6/0x1e0 [ 3474.082513][ T1167] [ 3474.084732][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3474.084732][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3474.084732][ T1167] ipv6_find_idev+0x102/0x170 [ 3474.084732][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3474.084732][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3474.084732][ T1167] netlink_rcv_skb+0x130/0x360 [ 3474.084732][ T1167] netlink_unicast+0x449/0x710 [ 3474.084732][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3474.084732][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3474.084732][ T1167] ___sys_sendmsg+0xee/0x170 [ 3474.084732][ T1167] __sys_sendmsg+0xcd/0x170 [ 3474.084732][ T1167] do_syscall_64+0xc6/0x1e0 [ 3474.084732][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3474.084732][ T1167] [ 3474.086463][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3474.086463][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3474.086463][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3474.086463][ T1167] ipv6_find_idev+0x102/0x170 [ 3474.086463][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3474.086463][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3474.086463][ T1167] netlink_rcv_skb+0x130/0x360 [ 3474.086463][ T1167] netlink_unicast+0x449/0x710 [ 3474.086463][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3474.086463][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3474.086463][ T1167] ___sys_sendmsg+0xee/0x170 [ 3474.086463][ T1167] __sys_sendmsg+0xcd/0x170 [ 3474.086463][ T1167] do_syscall_64+0xc6/0x1e0 [ 3474.086463][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3474.086463][ T1167] [ 3484.105113][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3484.105462][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3484.105462][ T10] netdev_get_by_index+0x5e/0x80 [ 3484.105462][ T10] fib6_nh_init+0x3d8/0x1580 [ 3484.105462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3484.105462][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3484.105462][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3484.105462][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3484.105462][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3484.105462][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3484.105462][ T10] addrconf_dad_begin+0x310/0x670 [ 3484.105462][ T10] addrconf_dad_work+0x10b/0xab0 [ 3484.105462][ T10] process_one_work+0x84d/0x18a0 [ 3484.105462][ T10] worker_thread+0x587/0xd30 [ 3484.105462][ T10] kthread+0x28a/0x350 [ 3484.105462][ T10] ret_from_fork+0x31/0x70 [ 3484.105462][ T10] ret_from_fork_asm+0x1a/0x30 [ 3484.105462][ T10] [ 3484.107426][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3484.107426][ T10] netdev_get_by_index+0x5e/0x80 [ 3484.107426][ T10] fib6_nh_init+0x3d8/0x1580 [ 3484.107426][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3484.107426][ T10] ip6_route_add+0x1c/0x140 [ 3484.107426][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3484.107426][ T10] inet6_addr_add+0x4f8/0xa40 [ 3484.107426][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3484.107426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.107426][ T10] netlink_rcv_skb+0x130/0x360 [ 3484.107426][ T10] netlink_unicast+0x449/0x710 [ 3484.107426][ T10] netlink_sendmsg+0x723/0xbe0 [ 3484.107426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3484.107426][ T10] ___sys_sendmsg+0xee/0x170 [ 3484.107426][ T10] __sys_sendmsg+0xcd/0x170 [ 3484.107426][ T10] do_syscall_64+0xc6/0x1e0 [ 3484.107426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.107426][ T10] [ 3484.109435][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3484.109435][ T10] netdev_get_by_index+0x5e/0x80 [ 3484.109435][ T10] fib6_nh_init+0x3d8/0x1580 [ 3484.109435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3484.109435][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3484.109435][ T10] ipv6_add_addr+0x411/0x2000 [ 3484.109435][ T10] inet6_addr_add+0x30e/0xa40 [ 3484.109435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3484.109435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.109435][ T10] netlink_rcv_skb+0x130/0x360 [ 3484.109435][ T10] netlink_unicast+0x449/0x710 [ 3484.109435][ T10] netlink_sendmsg+0x723/0xbe0 [ 3484.109435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3484.109435][ T10] ___sys_sendmsg+0xee/0x170 [ 3484.109435][ T10] __sys_sendmsg+0xcd/0x170 [ 3484.109435][ T10] do_syscall_64+0xc6/0x1e0 [ 3484.109435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.109435][ T10] [ 3484.111444][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3484.111444][ T10] netdev_get_by_index+0x5e/0x80 [ 3484.111444][ T10] fib6_nh_init+0x3d8/0x1580 [ 3484.111444][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3484.111444][ T10] ip6_route_add+0x1c/0x140 [ 3484.111444][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3484.111444][ T10] addrconf_add_dev+0xe2/0x170 [ 3484.111444][ T10] inet6_addr_add+0x12f/0xa40 [ 3484.111444][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3484.111444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.111444][ T10] netlink_rcv_skb+0x130/0x360 [ 3484.111444][ T10] netlink_unicast+0x449/0x710 [ 3484.111444][ T10] netlink_sendmsg+0x723/0xbe0 [ 3484.111444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3484.111444][ T10] ___sys_sendmsg+0xee/0x170 [ 3484.111444][ T10] __sys_sendmsg+0xcd/0x170 [ 3484.111444][ T10] do_syscall_64+0xc6/0x1e0 [ 3484.111444][ T10] [ 3484.113451][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3484.113451][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3484.113451][ T10] ipv6_find_idev+0x102/0x170 [ 3484.113451][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3484.113451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.113451][ T10] netlink_rcv_skb+0x130/0x360 [ 3484.113451][ T10] netlink_unicast+0x449/0x710 [ 3484.113451][ T10] netlink_sendmsg+0x723/0xbe0 [ 3484.113451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3484.113451][ T10] ___sys_sendmsg+0xee/0x170 [ 3484.113451][ T10] __sys_sendmsg+0xcd/0x170 [ 3484.113451][ T10] do_syscall_64+0xc6/0x1e0 [ 3484.113451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.113451][ T10] [ 3484.114985][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3484.114985][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3484.114985][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3484.114985][ T10] ipv6_find_idev+0x102/0x170 [ 3484.114985][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3484.114985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.114985][ T10] netlink_rcv_skb+0x130/0x360 [ 3484.114985][ T10] netlink_unicast+0x449/0x710 [ 3484.114985][ T10] netlink_sendmsg+0x723/0xbe0 [ 3484.114985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3484.114985][ T10] ___sys_sendmsg+0xee/0x170 [ 3484.114985][ T10] __sys_sendmsg+0xcd/0x170 [ 3484.114985][ T10] do_syscall_64+0xc6/0x1e0 [ 3484.114985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.114985][ T10] [ 3484.116672][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3484.116924][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3484.116924][ T10] netdev_get_by_index+0x5e/0x80 [ 3484.116924][ T10] fib6_nh_init+0x3d8/0x1580 [ 3484.116924][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3484.116924][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3484.116924][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3484.116924][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3484.116924][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3484.116924][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3484.116924][ T10] addrconf_dad_begin+0x310/0x670 [ 3484.116924][ T10] addrconf_dad_work+0x10b/0xab0 [ 3484.116924][ T10] process_one_work+0x84d/0x18a0 [ 3484.116924][ T10] worker_thread+0x587/0xd30 [ 3484.116924][ T10] kthread+0x28a/0x350 [ 3484.116924][ T10] ret_from_fork+0x31/0x70 [ 3484.116924][ T10] ret_from_fork_asm+0x1a/0x30 [ 3484.116924][ T10] [ 3484.118833][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3484.118833][ T10] netdev_get_by_index+0x5e/0x80 [ 3484.118833][ T10] fib6_nh_init+0x3d8/0x1580 [ 3484.118833][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3484.118833][ T10] ip6_route_add+0x1c/0x140 [ 3484.118833][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3484.118833][ T10] inet6_addr_add+0x4f8/0xa40 [ 3484.118833][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3484.118833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.118833][ T10] netlink_rcv_skb+0x130/0x360 [ 3484.118833][ T10] netlink_unicast+0x449/0x710 [ 3484.118833][ T10] netlink_sendmsg+0x723/0xbe0 [ 3484.118833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3484.118833][ T10] ___sys_sendmsg+0xee/0x170 [ 3484.118833][ T10] __sys_sendmsg+0xcd/0x170 [ 3484.118833][ T10] do_syscall_64+0xc6/0x1e0 [ 3484.118833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.118833][ T10] [ 3484.120832][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3484.120832][ T10] netdev_get_by_index+0x5e/0x80 [ 3484.120832][ T10] fib6_nh_init+0x3d8/0x1580 [ 3484.120832][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3484.120832][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3484.120832][ T10] ipv6_add_addr+0x411/0x2000 [ 3484.120832][ T10] inet6_addr_add+0x30e/0xa40 [ 3484.120832][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3484.120832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.120832][ T10] netlink_rcv_skb+0x130/0x360 [ 3484.120832][ T10] netlink_unicast+0x449/0x710 [ 3484.120832][ T10] netlink_sendmsg+0x723/0xbe0 [ 3484.120832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3484.120832][ T10] ___sys_sendmsg+0xee/0x170 [ 3484.120832][ T10] __sys_sendmsg+0xcd/0x170 [ 3484.120832][ T10] do_syscall_64+0xc6/0x1e0 [ 3484.120832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.120832][ T10] [ 3484.122833][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3484.122833][ T10] netdev_get_by_index+0x5e/0x80 [ 3484.122833][ T10] fib6_nh_init+0x3d8/0x1580 [ 3484.122833][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3484.122833][ T10] ip6_route_add+0x1c/0x140 [ 3484.122833][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3484.122833][ T10] addrconf_add_dev+0xe2/0x170 [ 3484.122833][ T10] inet6_addr_add+0x12f/0xa40 [ 3484.122833][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3484.122833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.122833][ T10] netlink_rcv_skb+0x130/0x360 [ 3484.122833][ T10] netlink_unicast+0x449/0x710 [ 3484.122833][ T10] netlink_sendmsg+0x723/0xbe0 [ 3484.122833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3484.122833][ T10] ___sys_sendmsg+0xee/0x170 [ 3484.122833][ T10] __sys_sendmsg+0xcd/0x170 [ 3484.122833][ T10] do_syscall_64+0xc6/0x1e0 [ 3484.122833][ T10] [ 3484.124819][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3484.124819][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3484.124819][ T10] ipv6_find_idev+0x102/0x170 [ 3484.124819][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3484.124819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.124819][ T10] netlink_rcv_skb+0x130/0x360 [ 3484.124819][ T10] netlink_unicast+0x449/0x710 [ 3484.124819][ T10] netlink_sendmsg+0x723/0xbe0 [ 3484.124819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3484.124819][ T10] ___sys_sendmsg+0xee/0x170 [ 3484.124819][ T10] __sys_sendmsg+0xcd/0x170 [ 3484.124819][ T10] do_syscall_64+0xc6/0x1e0 [ 3484.124819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.124819][ T10] [ 3484.126363][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3484.126363][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3484.126363][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3484.126363][ T10] ipv6_find_idev+0x102/0x170 [ 3484.126363][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3484.126363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.126363][ T10] netlink_rcv_skb+0x130/0x360 [ 3484.126363][ T10] netlink_unicast+0x449/0x710 [ 3484.126363][ T10] netlink_sendmsg+0x723/0xbe0 [ 3484.126363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3484.126363][ T10] ___sys_sendmsg+0xee/0x170 [ 3484.126363][ T10] __sys_sendmsg+0xcd/0x170 [ 3484.126363][ T10] do_syscall_64+0xc6/0x1e0 [ 3484.126363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.126363][ T10] [ 3484.128035][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3484.128277][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3484.128277][ T10] netdev_get_by_index+0x5e/0x80 [ 3484.128277][ T10] fib6_nh_init+0x3d8/0x1580 [ 3484.128277][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3484.128277][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3484.128277][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3484.128277][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3484.128277][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3484.128277][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3484.128277][ T10] addrconf_dad_begin+0x310/0x670 [ 3484.128277][ T10] addrconf_dad_work+0x10b/0xab0 [ 3484.128277][ T10] process_one_work+0x84d/0x18a0 [ 3484.128277][ T10] worker_thread+0x587/0xd30 [ 3484.128277][ T10] kthread+0x28a/0x350 [ 3484.128277][ T10] ret_from_fork+0x31/0x70 [ 3484.128277][ T10] ret_from_fork_asm+0x1a/0x30 [ 3484.128277][ T10] [ 3484.130211][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3484.130211][ T10] netdev_get_by_index+0x5e/0x80 [ 3484.130211][ T10] fib6_nh_init+0x3d8/0x1580 [ 3484.130211][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3484.130211][ T10] ip6_route_add+0x1c/0x140 [ 3484.130211][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3484.130211][ T10] inet6_addr_add+0x4f8/0xa40 [ 3484.130211][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3484.130211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.130211][ T10] netlink_rcv_skb+0x130/0x360 [ 3484.130211][ T10] netlink_unicast+0x449/0x710 [ 3484.130211][ T10] netlink_sendmsg+0x723/0xbe0 [ 3484.130211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3484.130211][ T10] ___sys_sendmsg+0xee/0x170 [ 3484.130211][ T10] __sys_sendmsg+0xcd/0x170 [ 3484.130211][ T10] do_syscall_64+0xc6/0x1e0 [ 3484.130211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.130211][ T10] [ 3484.132400][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3484.132400][ T10] netdev_get_by_index+0x5e/0x80 [ 3484.132400][ T10] fib6_nh_init+0x3d8/0x1580 [ 3484.132400][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3484.132400][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3484.132400][ T10] ipv6_add_addr+0x411/0x2000 [ 3484.132400][ T10] inet6_addr_add+0x30e/0xa40 [ 3484.132400][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3484.132400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.132400][ T10] netlink_rcv_skb+0x130/0x360 [ 3484.132400][ T10] netlink_unicast+0x449/0x710 [ 3484.132400][ T10] netlink_sendmsg+0x723/0xbe0 [ 3484.132400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3484.132400][ T10] ___sys_sendmsg+0xee/0x170 [ 3484.132400][ T10] __sys_sendmsg+0xcd/0x170 [ 3484.132400][ T10] do_syscall_64+0xc6/0x1e0 [ 3484.132400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.132400][ T10] [ 3484.134634][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3484.134634][ T10] netdev_get_by_index+0x5e/0x80 [ 3484.134634][ T10] fib6_nh_init+0x3d8/0x1580 [ 3484.134634][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3484.134634][ T10] ip6_route_add+0x1c/0x140 [ 3484.134634][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3484.134634][ T10] addrconf_add_dev+0xe2/0x170 [ 3484.134634][ T10] inet6_addr_add+0x12f/0xa40 [ 3484.134634][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3484.134634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.134634][ T10] netlink_rcv_skb+0x130/0x360 [ 3484.134634][ T10] netlink_unicast+0x449/0x710 [ 3484.134634][ T10] netlink_sendmsg+0x723/0xbe0 [ 3484.134634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3484.134634][ T10] ___sys_sendmsg+0xee/0x170 [ 3484.134634][ T10] __sys_sendmsg+0xcd/0x170 [ 3484.134634][ T10] do_syscall_64+0xc6/0x1e0 [ 3484.134634][ T10] [ 3484.136957][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3484.136957][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3484.136957][ T10] ipv6_find_idev+0x102/0x170 [ 3484.136957][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3484.136957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.136957][ T10] netlink_rcv_skb+0x130/0x360 [ 3484.136957][ T10] netlink_unicast+0x449/0x710 [ 3484.136957][ T10] netlink_sendmsg+0x723/0xbe0 [ 3484.136957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3484.136957][ T10] ___sys_sendmsg+0xee/0x170 [ 3484.136957][ T10] __sys_sendmsg+0xcd/0x170 [ 3484.136957][ T10] do_syscall_64+0xc6/0x1e0 [ 3484.136957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.136957][ T10] [ 3484.139498][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3484.139498][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3484.139498][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3484.139498][ T10] ipv6_find_idev+0x102/0x170 [ 3484.139498][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3484.139498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.139498][ T10] netlink_rcv_skb+0x130/0x360 [ 3484.139498][ T10] netlink_unicast+0x449/0x710 [ 3484.139498][ T10] netlink_sendmsg+0x723/0xbe0 [ 3484.139498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3484.139498][ T10] ___sys_sendmsg+0xee/0x170 [ 3484.139498][ T10] __sys_sendmsg+0xcd/0x170 [ 3484.139498][ T10] do_syscall_64+0xc6/0x1e0 [ 3484.139498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.139498][ T10] [ 3484.142530][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3484.142905][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3484.142905][ T10] netdev_get_by_index+0x5e/0x80 [ 3484.142905][ T10] fib6_nh_init+0x3d8/0x1580 [ 3484.142905][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3484.142905][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3484.142905][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3484.142905][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3484.142905][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3484.142905][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3484.142905][ T10] addrconf_dad_begin+0x310/0x670 [ 3484.142905][ T10] addrconf_dad_work+0x10b/0xab0 [ 3484.142905][ T10] process_one_work+0x84d/0x18a0 [ 3484.142905][ T10] worker_thread+0x587/0xd30 [ 3484.142905][ T10] kthread+0x28a/0x350 [ 3484.142905][ T10] ret_from_fork+0x31/0x70 [ 3484.142905][ T10] ret_from_fork_asm+0x1a/0x30 [ 3484.142905][ T10] [ 3484.146103][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3484.146103][ T10] netdev_get_by_index+0x5e/0x80 [ 3484.146103][ T10] fib6_nh_init+0x3d8/0x1580 [ 3484.146103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3484.146103][ T10] ip6_route_add+0x1c/0x140 [ 3484.146103][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3484.146103][ T10] inet6_addr_add+0x4f8/0xa40 [ 3484.146103][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3484.146103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.146103][ T10] netlink_rcv_skb+0x130/0x360 [ 3484.146103][ T10] netlink_unicast+0x449/0x710 [ 3484.146103][ T10] netlink_sendmsg+0x723/0xbe0 [ 3484.146103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3484.146103][ T10] ___sys_sendmsg+0xee/0x170 [ 3484.146103][ T10] __sys_sendmsg+0xcd/0x170 [ 3484.146103][ T10] do_syscall_64+0xc6/0x1e0 [ 3484.146103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.146103][ T10] [ 3484.149503][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3484.149503][ T10] netdev_get_by_index+0x5e/0x80 [ 3484.149503][ T10] fib6_nh_init+0x3d8/0x1580 [ 3484.149503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3484.149503][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3484.149503][ T10] ipv6_add_addr+0x411/0x2000 [ 3484.149503][ T10] inet6_addr_add+0x30e/0xa40 [ 3484.149503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3484.149503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.149503][ T10] netlink_rcv_skb+0x130/0x360 [ 3484.149503][ T10] netlink_unicast+0x449/0x710 [ 3484.149503][ T10] netlink_sendmsg+0x723/0xbe0 [ 3484.149503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3484.149503][ T10] ___sys_sendmsg+0xee/0x170 [ 3484.149503][ T10] __sys_sendmsg+0xcd/0x170 [ 3484.149503][ T10] do_syscall_64+0xc6/0x1e0 [ 3484.149503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.149503][ T10] [ 3484.153016][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3484.153016][ T10] netdev_get_by_index+0x5e/0x80 [ 3484.153016][ T10] fib6_nh_init+0x3d8/0x1580 [ 3484.153016][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3484.153016][ T10] ip6_route_add+0x1c/0x140 [ 3484.153016][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3484.153016][ T10] addrconf_add_dev+0xe2/0x170 [ 3484.153016][ T10] inet6_addr_add+0x12f/0xa40 [ 3484.153016][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3484.153016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.153016][ T10] netlink_rcv_skb+0x130/0x360 [ 3484.153016][ T10] netlink_unicast+0x449/0x710 [ 3484.153016][ T10] netlink_sendmsg+0x723/0xbe0 [ 3484.153016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3484.153016][ T10] ___sys_sendmsg+0xee/0x170 [ 3484.153016][ T10] __sys_sendmsg+0xcd/0x170 [ 3484.153016][ T10] do_syscall_64+0xc6/0x1e0 [ 3484.153016][ T10] [ 3484.156411][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3484.156411][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3484.156411][ T10] ipv6_find_idev+0x102/0x170 [ 3484.156411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3484.156411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.156411][ T10] netlink_rcv_skb+0x130/0x360 [ 3484.156411][ T10] netlink_unicast+0x449/0x710 [ 3484.156411][ T10] netlink_sendmsg+0x723/0xbe0 [ 3484.156411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3484.156411][ T10] ___sys_sendmsg+0xee/0x170 [ 3484.156411][ T10] __sys_sendmsg+0xcd/0x170 [ 3484.156411][ T10] do_syscall_64+0xc6/0x1e0 [ 3484.156411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.156411][ T10] [ 3484.158680][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3484.158680][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3484.158680][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3484.158680][ T10] ipv6_find_idev+0x102/0x170 [ 3484.158680][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3484.158680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.158680][ T10] netlink_rcv_skb+0x130/0x360 [ 3484.158680][ T10] netlink_unicast+0x449/0x710 [ 3484.158680][ T10] netlink_sendmsg+0x723/0xbe0 [ 3484.158680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3484.158680][ T10] ___sys_sendmsg+0xee/0x170 [ 3484.158680][ T10] __sys_sendmsg+0xcd/0x170 [ 3484.158680][ T10] do_syscall_64+0xc6/0x1e0 [ 3484.158680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.158680][ T10] [ 3484.329205][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3484.329698][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3484.329698][ T1167] dst_init+0x84/0x4a0 [ 3484.329698][ T1167] dst_alloc+0x97/0x150 [ 3484.329698][ T1167] ip6_dst_alloc+0x23/0x90 [ 3484.329698][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3484.329698][ T1167] ip6_pol_route+0x56f/0x840 [ 3484.329698][ T1167] fib6_rule_lookup+0x334/0x630 [ 3484.329698][ T1167] ip6_route_output_flags+0x259/0x480 [ 3484.329698][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3484.329698][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3484.329698][ T1167] netlink_rcv_skb+0x130/0x360 [ 3484.329698][ T1167] netlink_unicast+0x449/0x710 [ 3484.329698][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3484.329698][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3484.329698][ T1167] ___sys_sendmsg+0xee/0x170 [ 3484.329698][ T1167] __sys_sendmsg+0xcd/0x170 [ 3484.329698][ T1167] do_syscall_64+0xc6/0x1e0 [ 3484.329698][ T1167] [ 3484.331951][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3484.331951][ T1167] netdev_get_by_index+0x5e/0x80 [ 3484.331951][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3484.331951][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3484.331951][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3484.331951][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3484.331951][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3484.331951][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3484.331951][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3484.331951][ T1167] addrconf_dad_begin+0x310/0x670 [ 3484.331951][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3484.331951][ T1167] process_one_work+0x84d/0x18a0 [ 3484.331951][ T1167] worker_thread+0x587/0xd30 [ 3484.331951][ T1167] kthread+0x28a/0x350 [ 3484.331951][ T1167] ret_from_fork+0x31/0x70 [ 3484.331951][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3484.331951][ T1167] [ 3484.334138][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3484.334138][ T1167] netdev_get_by_index+0x5e/0x80 [ 3484.334138][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3484.334138][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3484.334138][ T1167] ip6_route_add+0x1c/0x140 [ 3484.334138][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3484.334138][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3484.334138][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3484.334138][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.334138][ T1167] netlink_rcv_skb+0x130/0x360 [ 3484.334138][ T1167] netlink_unicast+0x449/0x710 [ 3484.334138][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3484.334138][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3484.334138][ T1167] ___sys_sendmsg+0xee/0x170 [ 3484.334138][ T1167] __sys_sendmsg+0xcd/0x170 [ 3484.334138][ T1167] do_syscall_64+0xc6/0x1e0 [ 3484.334138][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.334138][ T1167] [ 3484.336412][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3484.336412][ T1167] netdev_get_by_index+0x5e/0x80 [ 3484.336412][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3484.336412][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3484.336412][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3484.336412][ T1167] ipv6_add_addr+0x411/0x2000 [ 3484.336412][ T1167] inet6_addr_add+0x30e/0xa40 [ 3484.336412][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3484.336412][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.336412][ T1167] netlink_rcv_skb+0x130/0x360 [ 3484.336412][ T1167] netlink_unicast+0x449/0x710 [ 3484.336412][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3484.336412][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3484.336412][ T1167] ___sys_sendmsg+0xee/0x170 [ 3484.336412][ T1167] __sys_sendmsg+0xcd/0x170 [ 3484.336412][ T1167] do_syscall_64+0xc6/0x1e0 [ 3484.336412][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.336412][ T1167] [ 3484.338699][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3484.338699][ T1167] netdev_get_by_index+0x5e/0x80 [ 3484.338699][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3484.338699][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3484.338699][ T1167] ip6_route_add+0x1c/0x140 [ 3484.338699][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3484.338699][ T1167] addrconf_add_dev+0xe2/0x170 [ 3484.338699][ T1167] inet6_addr_add+0x12f/0xa40 [ 3484.338699][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3484.338699][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.338699][ T1167] netlink_rcv_skb+0x130/0x360 [ 3484.338699][ T1167] netlink_unicast+0x449/0x710 [ 3484.338699][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3484.338699][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3484.338699][ T1167] ___sys_sendmsg+0xee/0x170 [ 3484.338699][ T1167] __sys_sendmsg+0xcd/0x170 [ 3484.338699][ T1167] do_syscall_64+0xc6/0x1e0 [ 3484.338699][ T1167] [ 3484.340938][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3484.340938][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3484.340938][ T1167] ipv6_find_idev+0x102/0x170 [ 3484.340938][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3484.340938][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.340938][ T1167] netlink_rcv_skb+0x130/0x360 [ 3484.340938][ T1167] netlink_unicast+0x449/0x710 [ 3484.340938][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3484.340938][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3484.340938][ T1167] ___sys_sendmsg+0xee/0x170 [ 3484.340938][ T1167] __sys_sendmsg+0xcd/0x170 [ 3484.340938][ T1167] do_syscall_64+0xc6/0x1e0 [ 3484.340938][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.340938][ T1167] [ 3484.342714][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3484.342714][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3484.342714][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3484.342714][ T1167] ipv6_find_idev+0x102/0x170 [ 3484.342714][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3484.342714][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.342714][ T1167] netlink_rcv_skb+0x130/0x360 [ 3484.342714][ T1167] netlink_unicast+0x449/0x710 [ 3484.342714][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3484.342714][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3484.342714][ T1167] ___sys_sendmsg+0xee/0x170 [ 3484.342714][ T1167] __sys_sendmsg+0xcd/0x170 [ 3484.342714][ T1167] do_syscall_64+0xc6/0x1e0 [ 3484.342714][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.342714][ T1167] [ 3494.401069][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3494.401565][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3494.401565][ T10] netdev_get_by_index+0x5e/0x80 [ 3494.401565][ T10] fib6_nh_init+0x3d8/0x1580 [ 3494.401565][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3494.401565][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3494.401565][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3494.401565][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3494.401565][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3494.401565][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3494.401565][ T10] addrconf_dad_begin+0x310/0x670 [ 3494.401565][ T10] addrconf_dad_work+0x10b/0xab0 [ 3494.401565][ T10] process_one_work+0x84d/0x18a0 [ 3494.401565][ T10] worker_thread+0x587/0xd30 [ 3494.401565][ T10] kthread+0x28a/0x350 [ 3494.401565][ T10] ret_from_fork+0x31/0x70 [ 3494.401565][ T10] ret_from_fork_asm+0x1a/0x30 [ 3494.401565][ T10] [ 3494.404656][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3494.404656][ T10] netdev_get_by_index+0x5e/0x80 [ 3494.404656][ T10] fib6_nh_init+0x3d8/0x1580 [ 3494.404656][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3494.404656][ T10] ip6_route_add+0x1c/0x140 [ 3494.404656][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3494.404656][ T10] inet6_addr_add+0x4f8/0xa40 [ 3494.404656][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3494.404656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.404656][ T10] netlink_rcv_skb+0x130/0x360 [ 3494.404656][ T10] netlink_unicast+0x449/0x710 [ 3494.404656][ T10] netlink_sendmsg+0x723/0xbe0 [ 3494.404656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3494.404656][ T10] ___sys_sendmsg+0xee/0x170 [ 3494.404656][ T10] __sys_sendmsg+0xcd/0x170 [ 3494.404656][ T10] do_syscall_64+0xc6/0x1e0 [ 3494.404656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.404656][ T10] [ 3494.407781][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3494.407781][ T10] netdev_get_by_index+0x5e/0x80 [ 3494.407781][ T10] fib6_nh_init+0x3d8/0x1580 [ 3494.407781][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3494.407781][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3494.407781][ T10] ipv6_add_addr+0x411/0x2000 [ 3494.407781][ T10] inet6_addr_add+0x30e/0xa40 [ 3494.407781][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3494.407781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.407781][ T10] netlink_rcv_skb+0x130/0x360 [ 3494.407781][ T10] netlink_unicast+0x449/0x710 [ 3494.407781][ T10] netlink_sendmsg+0x723/0xbe0 [ 3494.407781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3494.407781][ T10] ___sys_sendmsg+0xee/0x170 [ 3494.407781][ T10] __sys_sendmsg+0xcd/0x170 [ 3494.407781][ T10] do_syscall_64+0xc6/0x1e0 [ 3494.407781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.407781][ T10] [ 3494.410881][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3494.410881][ T10] netdev_get_by_index+0x5e/0x80 [ 3494.410881][ T10] fib6_nh_init+0x3d8/0x1580 [ 3494.410881][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3494.410881][ T10] ip6_route_add+0x1c/0x140 [ 3494.410881][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3494.410881][ T10] addrconf_add_dev+0xe2/0x170 [ 3494.410881][ T10] inet6_addr_add+0x12f/0xa40 [ 3494.410881][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3494.410881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.410881][ T10] netlink_rcv_skb+0x130/0x360 [ 3494.410881][ T10] netlink_unicast+0x449/0x710 [ 3494.410881][ T10] netlink_sendmsg+0x723/0xbe0 [ 3494.410881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3494.410881][ T10] ___sys_sendmsg+0xee/0x170 [ 3494.410881][ T10] __sys_sendmsg+0xcd/0x170 [ 3494.410881][ T10] do_syscall_64+0xc6/0x1e0 [ 3494.410881][ T10] [ 3494.413912][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3494.413912][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3494.413912][ T10] ipv6_find_idev+0x102/0x170 [ 3494.413912][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3494.413912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.413912][ T10] netlink_rcv_skb+0x130/0x360 [ 3494.413912][ T10] netlink_unicast+0x449/0x710 [ 3494.413912][ T10] netlink_sendmsg+0x723/0xbe0 [ 3494.413912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3494.413912][ T10] ___sys_sendmsg+0xee/0x170 [ 3494.413912][ T10] __sys_sendmsg+0xcd/0x170 [ 3494.413912][ T10] do_syscall_64+0xc6/0x1e0 [ 3494.413912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.413912][ T10] [ 3494.416292][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3494.416292][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3494.416292][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3494.416292][ T10] ipv6_find_idev+0x102/0x170 [ 3494.416292][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3494.416292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.416292][ T10] netlink_rcv_skb+0x130/0x360 [ 3494.416292][ T10] netlink_unicast+0x449/0x710 [ 3494.416292][ T10] netlink_sendmsg+0x723/0xbe0 [ 3494.416292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3494.416292][ T10] ___sys_sendmsg+0xee/0x170 [ 3494.416292][ T10] __sys_sendmsg+0xcd/0x170 [ 3494.416292][ T10] do_syscall_64+0xc6/0x1e0 [ 3494.416292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.416292][ T10] [ 3494.418801][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3494.419177][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3494.419177][ T10] netdev_get_by_index+0x5e/0x80 [ 3494.419177][ T10] fib6_nh_init+0x3d8/0x1580 [ 3494.419177][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3494.419177][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3494.419177][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3494.419177][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3494.419177][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3494.419177][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3494.419177][ T10] addrconf_dad_begin+0x310/0x670 [ 3494.419177][ T10] addrconf_dad_work+0x10b/0xab0 [ 3494.419177][ T10] process_one_work+0x84d/0x18a0 [ 3494.419177][ T10] worker_thread+0x587/0xd30 [ 3494.419177][ T10] kthread+0x28a/0x350 [ 3494.419177][ T10] ret_from_fork+0x31/0x70 [ 3494.419177][ T10] ret_from_fork_asm+0x1a/0x30 [ 3494.419177][ T10] [ 3494.422013][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3494.422013][ T10] netdev_get_by_index+0x5e/0x80 [ 3494.422013][ T10] fib6_nh_init+0x3d8/0x1580 [ 3494.422013][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3494.422013][ T10] ip6_route_add+0x1c/0x140 [ 3494.422013][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3494.422013][ T10] inet6_addr_add+0x4f8/0xa40 [ 3494.422013][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3494.422013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.422013][ T10] netlink_rcv_skb+0x130/0x360 [ 3494.422013][ T10] netlink_unicast+0x449/0x710 [ 3494.422013][ T10] netlink_sendmsg+0x723/0xbe0 [ 3494.422013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3494.422013][ T10] ___sys_sendmsg+0xee/0x170 [ 3494.422013][ T10] __sys_sendmsg+0xcd/0x170 [ 3494.422013][ T10] do_syscall_64+0xc6/0x1e0 [ 3494.422013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.422013][ T10] [ 3494.424683][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3494.424683][ T10] netdev_get_by_index+0x5e/0x80 [ 3494.424683][ T10] fib6_nh_init+0x3d8/0x1580 [ 3494.424683][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3494.424683][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3494.424683][ T10] ipv6_add_addr+0x411/0x2000 [ 3494.424683][ T10] inet6_addr_add+0x30e/0xa40 [ 3494.424683][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3494.424683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.424683][ T10] netlink_rcv_skb+0x130/0x360 [ 3494.424683][ T10] netlink_unicast+0x449/0x710 [ 3494.424683][ T10] netlink_sendmsg+0x723/0xbe0 [ 3494.424683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3494.424683][ T10] ___sys_sendmsg+0xee/0x170 [ 3494.424683][ T10] __sys_sendmsg+0xcd/0x170 [ 3494.424683][ T10] do_syscall_64+0xc6/0x1e0 [ 3494.424683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.424683][ T10] [ 3494.426944][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3494.426944][ T10] netdev_get_by_index+0x5e/0x80 [ 3494.426944][ T10] fib6_nh_init+0x3d8/0x1580 [ 3494.426944][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3494.426944][ T10] ip6_route_add+0x1c/0x140 [ 3494.426944][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3494.426944][ T10] addrconf_add_dev+0xe2/0x170 [ 3494.426944][ T10] inet6_addr_add+0x12f/0xa40 [ 3494.426944][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3494.426944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.426944][ T10] netlink_rcv_skb+0x130/0x360 [ 3494.426944][ T10] netlink_unicast+0x449/0x710 [ 3494.426944][ T10] netlink_sendmsg+0x723/0xbe0 [ 3494.426944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3494.426944][ T10] ___sys_sendmsg+0xee/0x170 [ 3494.426944][ T10] __sys_sendmsg+0xcd/0x170 [ 3494.426944][ T10] do_syscall_64+0xc6/0x1e0 [ 3494.426944][ T10] [ 3494.429204][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3494.429204][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3494.429204][ T10] ipv6_find_idev+0x102/0x170 [ 3494.429204][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3494.429204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.429204][ T10] netlink_rcv_skb+0x130/0x360 [ 3494.429204][ T10] netlink_unicast+0x449/0x710 [ 3494.429204][ T10] netlink_sendmsg+0x723/0xbe0 [ 3494.429204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3494.429204][ T10] ___sys_sendmsg+0xee/0x170 [ 3494.429204][ T10] __sys_sendmsg+0xcd/0x170 [ 3494.429204][ T10] do_syscall_64+0xc6/0x1e0 [ 3494.429204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.429204][ T10] [ 3494.430995][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3494.430995][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3494.430995][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3494.430995][ T10] ipv6_find_idev+0x102/0x170 [ 3494.430995][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3494.430995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.430995][ T10] netlink_rcv_skb+0x130/0x360 [ 3494.430995][ T10] netlink_unicast+0x449/0x710 [ 3494.430995][ T10] netlink_sendmsg+0x723/0xbe0 [ 3494.430995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3494.430995][ T10] ___sys_sendmsg+0xee/0x170 [ 3494.430995][ T10] __sys_sendmsg+0xcd/0x170 [ 3494.430995][ T10] do_syscall_64+0xc6/0x1e0 [ 3494.430995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.430995][ T10] [ 3494.432724][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3494.432976][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3494.432976][ T10] netdev_get_by_index+0x5e/0x80 [ 3494.432976][ T10] fib6_nh_init+0x3d8/0x1580 [ 3494.432976][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3494.432976][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3494.432976][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3494.432976][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3494.432976][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3494.432976][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3494.432976][ T10] addrconf_dad_begin+0x310/0x670 [ 3494.432976][ T10] addrconf_dad_work+0x10b/0xab0 [ 3494.432976][ T10] process_one_work+0x84d/0x18a0 [ 3494.432976][ T10] worker_thread+0x587/0xd30 [ 3494.432976][ T10] kthread+0x28a/0x350 [ 3494.432976][ T10] ret_from_fork+0x31/0x70 [ 3494.432976][ T10] ret_from_fork_asm+0x1a/0x30 [ 3494.432976][ T10] [ 3494.434889][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3494.434889][ T10] netdev_get_by_index+0x5e/0x80 [ 3494.434889][ T10] fib6_nh_init+0x3d8/0x1580 [ 3494.434889][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3494.434889][ T10] ip6_route_add+0x1c/0x140 [ 3494.434889][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3494.434889][ T10] inet6_addr_add+0x4f8/0xa40 [ 3494.434889][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3494.434889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.434889][ T10] netlink_rcv_skb+0x130/0x360 [ 3494.434889][ T10] netlink_unicast+0x449/0x710 [ 3494.434889][ T10] netlink_sendmsg+0x723/0xbe0 [ 3494.434889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3494.434889][ T10] ___sys_sendmsg+0xee/0x170 [ 3494.434889][ T10] __sys_sendmsg+0xcd/0x170 [ 3494.434889][ T10] do_syscall_64+0xc6/0x1e0 [ 3494.434889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.434889][ T10] [ 3494.437024][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3494.437024][ T10] netdev_get_by_index+0x5e/0x80 [ 3494.437024][ T10] fib6_nh_init+0x3d8/0x1580 [ 3494.437024][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3494.437024][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3494.437024][ T10] ipv6_add_addr+0x411/0x2000 [ 3494.437024][ T10] inet6_addr_add+0x30e/0xa40 [ 3494.437024][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3494.437024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.437024][ T10] netlink_rcv_skb+0x130/0x360 [ 3494.437024][ T10] netlink_unicast+0x449/0x710 [ 3494.437024][ T10] netlink_sendmsg+0x723/0xbe0 [ 3494.437024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3494.437024][ T10] ___sys_sendmsg+0xee/0x170 [ 3494.437024][ T10] __sys_sendmsg+0xcd/0x170 [ 3494.437024][ T10] do_syscall_64+0xc6/0x1e0 [ 3494.437024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.437024][ T10] [ 3494.439174][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3494.439174][ T10] netdev_get_by_index+0x5e/0x80 [ 3494.439174][ T10] fib6_nh_init+0x3d8/0x1580 [ 3494.439174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3494.439174][ T10] ip6_route_add+0x1c/0x140 [ 3494.439174][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3494.439174][ T10] addrconf_add_dev+0xe2/0x170 [ 3494.439174][ T10] inet6_addr_add+0x12f/0xa40 [ 3494.439174][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3494.439174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.439174][ T10] netlink_rcv_skb+0x130/0x360 [ 3494.439174][ T10] netlink_unicast+0x449/0x710 [ 3494.439174][ T10] netlink_sendmsg+0x723/0xbe0 [ 3494.439174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3494.439174][ T10] ___sys_sendmsg+0xee/0x170 [ 3494.439174][ T10] __sys_sendmsg+0xcd/0x170 [ 3494.439174][ T10] do_syscall_64+0xc6/0x1e0 [ 3494.439174][ T10] [ 3494.441395][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3494.441395][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3494.441395][ T10] ipv6_find_idev+0x102/0x170 [ 3494.441395][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3494.441395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.441395][ T10] netlink_rcv_skb+0x130/0x360 [ 3494.441395][ T10] netlink_unicast+0x449/0x710 [ 3494.441395][ T10] netlink_sendmsg+0x723/0xbe0 [ 3494.441395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3494.441395][ T10] ___sys_sendmsg+0xee/0x170 [ 3494.441395][ T10] __sys_sendmsg+0xcd/0x170 [ 3494.441395][ T10] do_syscall_64+0xc6/0x1e0 [ 3494.441395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.441395][ T10] [ 3494.443619][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3494.443619][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3494.443619][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3494.443619][ T10] ipv6_find_idev+0x102/0x170 [ 3494.443619][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3494.443619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.443619][ T10] netlink_rcv_skb+0x130/0x360 [ 3494.443619][ T10] netlink_unicast+0x449/0x710 [ 3494.443619][ T10] netlink_sendmsg+0x723/0xbe0 [ 3494.443619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3494.443619][ T10] ___sys_sendmsg+0xee/0x170 [ 3494.443619][ T10] __sys_sendmsg+0xcd/0x170 [ 3494.443619][ T10] do_syscall_64+0xc6/0x1e0 [ 3494.443619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.443619][ T10] [ 3494.445761][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3494.446001][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3494.446001][ T10] netdev_get_by_index+0x5e/0x80 [ 3494.446001][ T10] fib6_nh_init+0x3d8/0x1580 [ 3494.446001][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3494.446001][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3494.446001][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3494.446001][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3494.446001][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3494.446001][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3494.446001][ T10] addrconf_dad_begin+0x310/0x670 [ 3494.446001][ T10] addrconf_dad_work+0x10b/0xab0 [ 3494.446001][ T10] process_one_work+0x84d/0x18a0 [ 3494.446001][ T10] worker_thread+0x587/0xd30 [ 3494.446001][ T10] kthread+0x28a/0x350 [ 3494.446001][ T10] ret_from_fork+0x31/0x70 [ 3494.446001][ T10] ret_from_fork_asm+0x1a/0x30 [ 3494.446001][ T10] [ 3494.447946][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3494.447946][ T10] netdev_get_by_index+0x5e/0x80 [ 3494.447946][ T10] fib6_nh_init+0x3d8/0x1580 [ 3494.447946][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3494.447946][ T10] ip6_route_add+0x1c/0x140 [ 3494.447946][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3494.447946][ T10] inet6_addr_add+0x4f8/0xa40 [ 3494.447946][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3494.447946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.447946][ T10] netlink_rcv_skb+0x130/0x360 [ 3494.447946][ T10] netlink_unicast+0x449/0x710 [ 3494.447946][ T10] netlink_sendmsg+0x723/0xbe0 [ 3494.447946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3494.447946][ T10] ___sys_sendmsg+0xee/0x170 [ 3494.447946][ T10] __sys_sendmsg+0xcd/0x170 [ 3494.447946][ T10] do_syscall_64+0xc6/0x1e0 [ 3494.447946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.447946][ T10] [ 3494.450097][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3494.450097][ T10] netdev_get_by_index+0x5e/0x80 [ 3494.450097][ T10] fib6_nh_init+0x3d8/0x1580 [ 3494.450097][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3494.450097][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3494.450097][ T10] ipv6_add_addr+0x411/0x2000 [ 3494.450097][ T10] inet6_addr_add+0x30e/0xa40 [ 3494.450097][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3494.450097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.450097][ T10] netlink_rcv_skb+0x130/0x360 [ 3494.450097][ T10] netlink_unicast+0x449/0x710 [ 3494.450097][ T10] netlink_sendmsg+0x723/0xbe0 [ 3494.450097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3494.450097][ T10] ___sys_sendmsg+0xee/0x170 [ 3494.450097][ T10] __sys_sendmsg+0xcd/0x170 [ 3494.450097][ T10] do_syscall_64+0xc6/0x1e0 [ 3494.450097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.450097][ T10] [ 3494.452244][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3494.452244][ T10] netdev_get_by_index+0x5e/0x80 [ 3494.452244][ T10] fib6_nh_init+0x3d8/0x1580 [ 3494.452244][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3494.452244][ T10] ip6_route_add+0x1c/0x140 [ 3494.452244][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3494.452244][ T10] addrconf_add_dev+0xe2/0x170 [ 3494.452244][ T10] inet6_addr_add+0x12f/0xa40 [ 3494.452244][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3494.452244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.452244][ T10] netlink_rcv_skb+0x130/0x360 [ 3494.452244][ T10] netlink_unicast+0x449/0x710 [ 3494.452244][ T10] netlink_sendmsg+0x723/0xbe0 [ 3494.452244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3494.452244][ T10] ___sys_sendmsg+0xee/0x170 [ 3494.452244][ T10] __sys_sendmsg+0xcd/0x170 [ 3494.452244][ T10] do_syscall_64+0xc6/0x1e0 [ 3494.452244][ T10] [ 3494.454355][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3494.454355][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3494.454355][ T10] ipv6_find_idev+0x102/0x170 [ 3494.454355][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3494.454355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.454355][ T10] netlink_rcv_skb+0x130/0x360 [ 3494.454355][ T10] netlink_unicast+0x449/0x710 [ 3494.454355][ T10] netlink_sendmsg+0x723/0xbe0 [ 3494.454355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3494.454355][ T10] ___sys_sendmsg+0xee/0x170 [ 3494.454355][ T10] __sys_sendmsg+0xcd/0x170 [ 3494.454355][ T10] do_syscall_64+0xc6/0x1e0 [ 3494.454355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.454355][ T10] [ 3494.456000][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3494.456000][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3494.456000][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3494.456000][ T10] ipv6_find_idev+0x102/0x170 [ 3494.456000][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3494.456000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.456000][ T10] netlink_rcv_skb+0x130/0x360 [ 3494.456000][ T10] netlink_unicast+0x449/0x710 [ 3494.456000][ T10] netlink_sendmsg+0x723/0xbe0 [ 3494.456000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3494.456000][ T10] ___sys_sendmsg+0xee/0x170 [ 3494.456000][ T10] __sys_sendmsg+0xcd/0x170 [ 3494.456000][ T10] do_syscall_64+0xc6/0x1e0 [ 3494.456000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.456000][ T10] [ 3494.585082][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3494.585651][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3494.585651][ T1167] dst_init+0x84/0x4a0 [ 3494.585651][ T1167] dst_alloc+0x97/0x150 [ 3494.585651][ T1167] ip6_dst_alloc+0x23/0x90 [ 3494.585651][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3494.585651][ T1167] ip6_pol_route+0x56f/0x840 [ 3494.585651][ T1167] fib6_rule_lookup+0x334/0x630 [ 3494.585651][ T1167] ip6_route_output_flags+0x259/0x480 [ 3494.585651][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3494.585651][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3494.585651][ T1167] netlink_rcv_skb+0x130/0x360 [ 3494.585651][ T1167] netlink_unicast+0x449/0x710 [ 3494.585651][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3494.585651][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3494.585651][ T1167] ___sys_sendmsg+0xee/0x170 [ 3494.585651][ T1167] __sys_sendmsg+0xcd/0x170 [ 3494.585651][ T1167] do_syscall_64+0xc6/0x1e0 [ 3494.585651][ T1167] [ 3494.588979][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3494.588979][ T1167] netdev_get_by_index+0x5e/0x80 [ 3494.588979][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3494.588979][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3494.588979][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3494.588979][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3494.588979][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3494.588979][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3494.588979][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3494.588979][ T1167] addrconf_dad_begin+0x310/0x670 [ 3494.588979][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3494.588979][ T1167] process_one_work+0x84d/0x18a0 [ 3494.588979][ T1167] worker_thread+0x587/0xd30 [ 3494.588979][ T1167] kthread+0x28a/0x350 [ 3494.588979][ T1167] ret_from_fork+0x31/0x70 [ 3494.588979][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3494.588979][ T1167] [ 3494.592309][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3494.592309][ T1167] netdev_get_by_index+0x5e/0x80 [ 3494.592309][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3494.592309][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3494.592309][ T1167] ip6_route_add+0x1c/0x140 [ 3494.592309][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3494.592309][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3494.592309][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3494.592309][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.592309][ T1167] netlink_rcv_skb+0x130/0x360 [ 3494.592309][ T1167] netlink_unicast+0x449/0x710 [ 3494.592309][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3494.592309][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3494.592309][ T1167] ___sys_sendmsg+0xee/0x170 [ 3494.592309][ T1167] __sys_sendmsg+0xcd/0x170 [ 3494.592309][ T1167] do_syscall_64+0xc6/0x1e0 [ 3494.592309][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.592309][ T1167] [ 3494.595707][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3494.595707][ T1167] netdev_get_by_index+0x5e/0x80 [ 3494.595707][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3494.595707][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3494.595707][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3494.595707][ T1167] ipv6_add_addr+0x411/0x2000 [ 3494.595707][ T1167] inet6_addr_add+0x30e/0xa40 [ 3494.595707][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3494.595707][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.595707][ T1167] netlink_rcv_skb+0x130/0x360 [ 3494.595707][ T1167] netlink_unicast+0x449/0x710 [ 3494.595707][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3494.595707][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3494.595707][ T1167] ___sys_sendmsg+0xee/0x170 [ 3494.595707][ T1167] __sys_sendmsg+0xcd/0x170 [ 3494.595707][ T1167] do_syscall_64+0xc6/0x1e0 [ 3494.595707][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.595707][ T1167] [ 3494.599246][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3494.599246][ T1167] netdev_get_by_index+0x5e/0x80 [ 3494.599246][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3494.599246][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3494.599246][ T1167] ip6_route_add+0x1c/0x140 [ 3494.599246][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3494.599246][ T1167] addrconf_add_dev+0xe2/0x170 [ 3494.599246][ T1167] inet6_addr_add+0x12f/0xa40 [ 3494.599246][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3494.599246][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.599246][ T1167] netlink_rcv_skb+0x130/0x360 [ 3494.599246][ T1167] netlink_unicast+0x449/0x710 [ 3494.599246][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3494.599246][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3494.599246][ T1167] ___sys_sendmsg+0xee/0x170 [ 3494.599246][ T1167] __sys_sendmsg+0xcd/0x170 [ 3494.599246][ T1167] do_syscall_64+0xc6/0x1e0 [ 3494.599246][ T1167] [ 3494.602209][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3494.602209][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3494.602209][ T1167] ipv6_find_idev+0x102/0x170 [ 3494.602209][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3494.602209][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.602209][ T1167] netlink_rcv_skb+0x130/0x360 [ 3494.602209][ T1167] netlink_unicast+0x449/0x710 [ 3494.602209][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3494.602209][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3494.602209][ T1167] ___sys_sendmsg+0xee/0x170 [ 3494.602209][ T1167] __sys_sendmsg+0xcd/0x170 [ 3494.602209][ T1167] do_syscall_64+0xc6/0x1e0 [ 3494.602209][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.602209][ T1167] [ 3494.603952][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3494.603952][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3494.603952][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3494.603952][ T1167] ipv6_find_idev+0x102/0x170 [ 3494.603952][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3494.603952][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.603952][ T1167] netlink_rcv_skb+0x130/0x360 [ 3494.603952][ T1167] netlink_unicast+0x449/0x710 [ 3494.603952][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3494.603952][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3494.603952][ T1167] ___sys_sendmsg+0xee/0x170 [ 3494.603952][ T1167] __sys_sendmsg+0xcd/0x170 [ 3494.603952][ T1167] do_syscall_64+0xc6/0x1e0 [ 3494.603952][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.603952][ T1167] [ 3504.697113][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3504.697533][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3504.697533][ T10] netdev_get_by_index+0x5e/0x80 [ 3504.697533][ T10] fib6_nh_init+0x3d8/0x1580 [ 3504.697533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3504.697533][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3504.697533][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3504.697533][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3504.697533][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3504.697533][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3504.697533][ T10] addrconf_dad_begin+0x310/0x670 [ 3504.697533][ T10] addrconf_dad_work+0x10b/0xab0 [ 3504.697533][ T10] process_one_work+0x84d/0x18a0 [ 3504.697533][ T10] worker_thread+0x587/0xd30 [ 3504.697533][ T10] kthread+0x28a/0x350 [ 3504.697533][ T10] ret_from_fork+0x31/0x70 [ 3504.697533][ T10] ret_from_fork_asm+0x1a/0x30 [ 3504.697533][ T10] [ 3504.699503][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3504.699503][ T10] netdev_get_by_index+0x5e/0x80 [ 3504.699503][ T10] fib6_nh_init+0x3d8/0x1580 [ 3504.699503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3504.699503][ T10] ip6_route_add+0x1c/0x140 [ 3504.699503][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3504.699503][ T10] inet6_addr_add+0x4f8/0xa40 [ 3504.699503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3504.699503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.699503][ T10] netlink_rcv_skb+0x130/0x360 [ 3504.699503][ T10] netlink_unicast+0x449/0x710 [ 3504.699503][ T10] netlink_sendmsg+0x723/0xbe0 [ 3504.699503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3504.699503][ T10] ___sys_sendmsg+0xee/0x170 [ 3504.699503][ T10] __sys_sendmsg+0xcd/0x170 [ 3504.699503][ T10] do_syscall_64+0xc6/0x1e0 [ 3504.699503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.699503][ T10] [ 3504.701514][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3504.701514][ T10] netdev_get_by_index+0x5e/0x80 [ 3504.701514][ T10] fib6_nh_init+0x3d8/0x1580 [ 3504.701514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3504.701514][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3504.701514][ T10] ipv6_add_addr+0x411/0x2000 [ 3504.701514][ T10] inet6_addr_add+0x30e/0xa40 [ 3504.701514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3504.701514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.701514][ T10] netlink_rcv_skb+0x130/0x360 [ 3504.701514][ T10] netlink_unicast+0x449/0x710 [ 3504.701514][ T10] netlink_sendmsg+0x723/0xbe0 [ 3504.701514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3504.701514][ T10] ___sys_sendmsg+0xee/0x170 [ 3504.701514][ T10] __sys_sendmsg+0xcd/0x170 [ 3504.701514][ T10] do_syscall_64+0xc6/0x1e0 [ 3504.701514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.701514][ T10] [ 3504.703511][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3504.703511][ T10] netdev_get_by_index+0x5e/0x80 [ 3504.703511][ T10] fib6_nh_init+0x3d8/0x1580 [ 3504.703511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3504.703511][ T10] ip6_route_add+0x1c/0x140 [ 3504.703511][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3504.703511][ T10] addrconf_add_dev+0xe2/0x170 [ 3504.703511][ T10] inet6_addr_add+0x12f/0xa40 [ 3504.703511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3504.703511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.703511][ T10] netlink_rcv_skb+0x130/0x360 [ 3504.703511][ T10] netlink_unicast+0x449/0x710 [ 3504.703511][ T10] netlink_sendmsg+0x723/0xbe0 [ 3504.703511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3504.703511][ T10] ___sys_sendmsg+0xee/0x170 [ 3504.703511][ T10] __sys_sendmsg+0xcd/0x170 [ 3504.703511][ T10] do_syscall_64+0xc6/0x1e0 [ 3504.703511][ T10] [ 3504.705481][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3504.705481][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3504.705481][ T10] ipv6_find_idev+0x102/0x170 [ 3504.705481][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3504.705481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.705481][ T10] netlink_rcv_skb+0x130/0x360 [ 3504.705481][ T10] netlink_unicast+0x449/0x710 [ 3504.705481][ T10] netlink_sendmsg+0x723/0xbe0 [ 3504.705481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3504.705481][ T10] ___sys_sendmsg+0xee/0x170 [ 3504.705481][ T10] __sys_sendmsg+0xcd/0x170 [ 3504.705481][ T10] do_syscall_64+0xc6/0x1e0 [ 3504.705481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.705481][ T10] [ 3504.707030][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3504.707030][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3504.707030][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3504.707030][ T10] ipv6_find_idev+0x102/0x170 [ 3504.707030][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3504.707030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.707030][ T10] netlink_rcv_skb+0x130/0x360 [ 3504.707030][ T10] netlink_unicast+0x449/0x710 [ 3504.707030][ T10] netlink_sendmsg+0x723/0xbe0 [ 3504.707030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3504.707030][ T10] ___sys_sendmsg+0xee/0x170 [ 3504.707030][ T10] __sys_sendmsg+0xcd/0x170 [ 3504.707030][ T10] do_syscall_64+0xc6/0x1e0 [ 3504.707030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.707030][ T10] [ 3504.708714][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3504.708960][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3504.708960][ T10] netdev_get_by_index+0x5e/0x80 [ 3504.708960][ T10] fib6_nh_init+0x3d8/0x1580 [ 3504.708960][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3504.708960][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3504.708960][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3504.708960][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3504.708960][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3504.708960][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3504.708960][ T10] addrconf_dad_begin+0x310/0x670 [ 3504.708960][ T10] addrconf_dad_work+0x10b/0xab0 [ 3504.708960][ T10] process_one_work+0x84d/0x18a0 [ 3504.708960][ T10] worker_thread+0x587/0xd30 [ 3504.708960][ T10] kthread+0x28a/0x350 [ 3504.708960][ T10] ret_from_fork+0x31/0x70 [ 3504.708960][ T10] ret_from_fork_asm+0x1a/0x30 [ 3504.708960][ T10] [ 3504.710878][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3504.710878][ T10] netdev_get_by_index+0x5e/0x80 [ 3504.710878][ T10] fib6_nh_init+0x3d8/0x1580 [ 3504.710878][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3504.710878][ T10] ip6_route_add+0x1c/0x140 [ 3504.710878][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3504.710878][ T10] inet6_addr_add+0x4f8/0xa40 [ 3504.710878][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3504.710878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.710878][ T10] netlink_rcv_skb+0x130/0x360 [ 3504.710878][ T10] netlink_unicast+0x449/0x710 [ 3504.710878][ T10] netlink_sendmsg+0x723/0xbe0 [ 3504.710878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3504.710878][ T10] ___sys_sendmsg+0xee/0x170 [ 3504.710878][ T10] __sys_sendmsg+0xcd/0x170 [ 3504.710878][ T10] do_syscall_64+0xc6/0x1e0 [ 3504.710878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.710878][ T10] [ 3504.712867][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3504.712867][ T10] netdev_get_by_index+0x5e/0x80 [ 3504.712867][ T10] fib6_nh_init+0x3d8/0x1580 [ 3504.712867][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3504.712867][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3504.712867][ T10] ipv6_add_addr+0x411/0x2000 [ 3504.712867][ T10] inet6_addr_add+0x30e/0xa40 [ 3504.712867][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3504.712867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.712867][ T10] netlink_rcv_skb+0x130/0x360 [ 3504.712867][ T10] netlink_unicast+0x449/0x710 [ 3504.712867][ T10] netlink_sendmsg+0x723/0xbe0 [ 3504.712867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3504.712867][ T10] ___sys_sendmsg+0xee/0x170 [ 3504.712867][ T10] __sys_sendmsg+0xcd/0x170 [ 3504.712867][ T10] do_syscall_64+0xc6/0x1e0 [ 3504.712867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.712867][ T10] [ 3504.714878][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3504.714878][ T10] netdev_get_by_index+0x5e/0x80 [ 3504.714878][ T10] fib6_nh_init+0x3d8/0x1580 [ 3504.714878][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3504.714878][ T10] ip6_route_add+0x1c/0x140 [ 3504.714878][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3504.714878][ T10] addrconf_add_dev+0xe2/0x170 [ 3504.714878][ T10] inet6_addr_add+0x12f/0xa40 [ 3504.714878][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3504.714878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.714878][ T10] netlink_rcv_skb+0x130/0x360 [ 3504.714878][ T10] netlink_unicast+0x449/0x710 [ 3504.714878][ T10] netlink_sendmsg+0x723/0xbe0 [ 3504.714878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3504.714878][ T10] ___sys_sendmsg+0xee/0x170 [ 3504.714878][ T10] __sys_sendmsg+0xcd/0x170 [ 3504.714878][ T10] do_syscall_64+0xc6/0x1e0 [ 3504.714878][ T10] [ 3504.716840][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3504.716840][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3504.716840][ T10] ipv6_find_idev+0x102/0x170 [ 3504.716840][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3504.716840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.716840][ T10] netlink_rcv_skb+0x130/0x360 [ 3504.716840][ T10] netlink_unicast+0x449/0x710 [ 3504.716840][ T10] netlink_sendmsg+0x723/0xbe0 [ 3504.716840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3504.716840][ T10] ___sys_sendmsg+0xee/0x170 [ 3504.716840][ T10] __sys_sendmsg+0xcd/0x170 [ 3504.716840][ T10] do_syscall_64+0xc6/0x1e0 [ 3504.716840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.716840][ T10] [ 3504.718380][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3504.718380][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3504.718380][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3504.718380][ T10] ipv6_find_idev+0x102/0x170 [ 3504.718380][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3504.718380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.718380][ T10] netlink_rcv_skb+0x130/0x360 [ 3504.718380][ T10] netlink_unicast+0x449/0x710 [ 3504.718380][ T10] netlink_sendmsg+0x723/0xbe0 [ 3504.718380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3504.718380][ T10] ___sys_sendmsg+0xee/0x170 [ 3504.718380][ T10] __sys_sendmsg+0xcd/0x170 [ 3504.718380][ T10] do_syscall_64+0xc6/0x1e0 [ 3504.718380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.718380][ T10] [ 3504.720055][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3504.720303][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3504.720303][ T10] netdev_get_by_index+0x5e/0x80 [ 3504.720303][ T10] fib6_nh_init+0x3d8/0x1580 [ 3504.720303][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3504.720303][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3504.720303][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3504.720303][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3504.720303][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3504.720303][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3504.720303][ T10] addrconf_dad_begin+0x310/0x670 [ 3504.720303][ T10] addrconf_dad_work+0x10b/0xab0 [ 3504.720303][ T10] process_one_work+0x84d/0x18a0 [ 3504.720303][ T10] worker_thread+0x587/0xd30 [ 3504.720303][ T10] kthread+0x28a/0x350 [ 3504.720303][ T10] ret_from_fork+0x31/0x70 [ 3504.720303][ T10] ret_from_fork_asm+0x1a/0x30 [ 3504.720303][ T10] [ 3504.722215][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3504.722215][ T10] netdev_get_by_index+0x5e/0x80 [ 3504.722215][ T10] fib6_nh_init+0x3d8/0x1580 [ 3504.722215][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3504.722215][ T10] ip6_route_add+0x1c/0x140 [ 3504.722215][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3504.722215][ T10] inet6_addr_add+0x4f8/0xa40 [ 3504.722215][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3504.722215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.722215][ T10] netlink_rcv_skb+0x130/0x360 [ 3504.722215][ T10] netlink_unicast+0x449/0x710 [ 3504.722215][ T10] netlink_sendmsg+0x723/0xbe0 [ 3504.722215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3504.722215][ T10] ___sys_sendmsg+0xee/0x170 [ 3504.722215][ T10] __sys_sendmsg+0xcd/0x170 [ 3504.722215][ T10] do_syscall_64+0xc6/0x1e0 [ 3504.722215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.722215][ T10] [ 3504.724413][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3504.724413][ T10] netdev_get_by_index+0x5e/0x80 [ 3504.724413][ T10] fib6_nh_init+0x3d8/0x1580 [ 3504.724413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3504.724413][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3504.724413][ T10] ipv6_add_addr+0x411/0x2000 [ 3504.724413][ T10] inet6_addr_add+0x30e/0xa40 [ 3504.724413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3504.724413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.724413][ T10] netlink_rcv_skb+0x130/0x360 [ 3504.724413][ T10] netlink_unicast+0x449/0x710 [ 3504.724413][ T10] netlink_sendmsg+0x723/0xbe0 [ 3504.724413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3504.724413][ T10] ___sys_sendmsg+0xee/0x170 [ 3504.724413][ T10] __sys_sendmsg+0xcd/0x170 [ 3504.724413][ T10] do_syscall_64+0xc6/0x1e0 [ 3504.724413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.724413][ T10] [ 3504.726657][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3504.726657][ T10] netdev_get_by_index+0x5e/0x80 [ 3504.726657][ T10] fib6_nh_init+0x3d8/0x1580 [ 3504.726657][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3504.726657][ T10] ip6_route_add+0x1c/0x140 [ 3504.726657][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3504.726657][ T10] addrconf_add_dev+0xe2/0x170 [ 3504.726657][ T10] inet6_addr_add+0x12f/0xa40 [ 3504.726657][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3504.726657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.726657][ T10] netlink_rcv_skb+0x130/0x360 [ 3504.726657][ T10] netlink_unicast+0x449/0x710 [ 3504.726657][ T10] netlink_sendmsg+0x723/0xbe0 [ 3504.726657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3504.726657][ T10] ___sys_sendmsg+0xee/0x170 [ 3504.726657][ T10] __sys_sendmsg+0xcd/0x170 [ 3504.726657][ T10] do_syscall_64+0xc6/0x1e0 [ 3504.726657][ T10] [ 3504.728802][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3504.728802][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3504.728802][ T10] ipv6_find_idev+0x102/0x170 [ 3504.728802][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3504.728802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.728802][ T10] netlink_rcv_skb+0x130/0x360 [ 3504.728802][ T10] netlink_unicast+0x449/0x710 [ 3504.728802][ T10] netlink_sendmsg+0x723/0xbe0 [ 3504.728802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3504.728802][ T10] ___sys_sendmsg+0xee/0x170 [ 3504.728802][ T10] __sys_sendmsg+0xcd/0x170 [ 3504.728802][ T10] do_syscall_64+0xc6/0x1e0 [ 3504.728802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.728802][ T10] [ 3504.730591][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3504.730591][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3504.730591][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3504.730591][ T10] ipv6_find_idev+0x102/0x170 [ 3504.730591][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3504.730591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.730591][ T10] netlink_rcv_skb+0x130/0x360 [ 3504.730591][ T10] netlink_unicast+0x449/0x710 [ 3504.730591][ T10] netlink_sendmsg+0x723/0xbe0 [ 3504.730591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3504.730591][ T10] ___sys_sendmsg+0xee/0x170 [ 3504.730591][ T10] __sys_sendmsg+0xcd/0x170 [ 3504.730591][ T10] do_syscall_64+0xc6/0x1e0 [ 3504.730591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.730591][ T10] [ 3504.732466][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3504.732699][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3504.732699][ T10] netdev_get_by_index+0x5e/0x80 [ 3504.732699][ T10] fib6_nh_init+0x3d8/0x1580 [ 3504.732699][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3504.732699][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3504.732699][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3504.732699][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3504.732699][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3504.732699][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3504.732699][ T10] addrconf_dad_begin+0x310/0x670 [ 3504.732699][ T10] addrconf_dad_work+0x10b/0xab0 [ 3504.732699][ T10] process_one_work+0x84d/0x18a0 [ 3504.732699][ T10] worker_thread+0x587/0xd30 [ 3504.732699][ T10] kthread+0x28a/0x350 [ 3504.732699][ T10] ret_from_fork+0x31/0x70 [ 3504.732699][ T10] ret_from_fork_asm+0x1a/0x30 [ 3504.732699][ T10] [ 3504.734854][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3504.734854][ T10] netdev_get_by_index+0x5e/0x80 [ 3504.734854][ T10] fib6_nh_init+0x3d8/0x1580 [ 3504.734854][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3504.734854][ T10] ip6_route_add+0x1c/0x140 [ 3504.734854][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3504.734854][ T10] inet6_addr_add+0x4f8/0xa40 [ 3504.734854][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3504.734854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.734854][ T10] netlink_rcv_skb+0x130/0x360 [ 3504.734854][ T10] netlink_unicast+0x449/0x710 [ 3504.734854][ T10] netlink_sendmsg+0x723/0xbe0 [ 3504.734854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3504.734854][ T10] ___sys_sendmsg+0xee/0x170 [ 3504.734854][ T10] __sys_sendmsg+0xcd/0x170 [ 3504.734854][ T10] do_syscall_64+0xc6/0x1e0 [ 3504.734854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.734854][ T10] [ 3504.737098][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3504.737098][ T10] netdev_get_by_index+0x5e/0x80 [ 3504.737098][ T10] fib6_nh_init+0x3d8/0x1580 [ 3504.737098][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3504.737098][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3504.737098][ T10] ipv6_add_addr+0x411/0x2000 [ 3504.737098][ T10] inet6_addr_add+0x30e/0xa40 [ 3504.737098][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3504.737098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.737098][ T10] netlink_rcv_skb+0x130/0x360 [ 3504.737098][ T10] netlink_unicast+0x449/0x710 [ 3504.737098][ T10] netlink_sendmsg+0x723/0xbe0 [ 3504.737098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3504.737098][ T10] ___sys_sendmsg+0xee/0x170 [ 3504.737098][ T10] __sys_sendmsg+0xcd/0x170 [ 3504.737098][ T10] do_syscall_64+0xc6/0x1e0 [ 3504.737098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.737098][ T10] [ 3504.739343][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3504.739343][ T10] netdev_get_by_index+0x5e/0x80 [ 3504.739343][ T10] fib6_nh_init+0x3d8/0x1580 [ 3504.739343][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3504.739343][ T10] ip6_route_add+0x1c/0x140 [ 3504.739343][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3504.739343][ T10] addrconf_add_dev+0xe2/0x170 [ 3504.739343][ T10] inet6_addr_add+0x12f/0xa40 [ 3504.739343][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3504.739343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.739343][ T10] netlink_rcv_skb+0x130/0x360 [ 3504.739343][ T10] netlink_unicast+0x449/0x710 [ 3504.739343][ T10] netlink_sendmsg+0x723/0xbe0 [ 3504.739343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3504.739343][ T10] ___sys_sendmsg+0xee/0x170 [ 3504.739343][ T10] __sys_sendmsg+0xcd/0x170 [ 3504.739343][ T10] do_syscall_64+0xc6/0x1e0 [ 3504.739343][ T10] [ 3504.741498][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3504.741498][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3504.741498][ T10] ipv6_find_idev+0x102/0x170 [ 3504.741498][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3504.741498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.741498][ T10] netlink_rcv_skb+0x130/0x360 [ 3504.741498][ T10] netlink_unicast+0x449/0x710 [ 3504.741498][ T10] netlink_sendmsg+0x723/0xbe0 [ 3504.741498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3504.741498][ T10] ___sys_sendmsg+0xee/0x170 [ 3504.741498][ T10] __sys_sendmsg+0xcd/0x170 [ 3504.741498][ T10] do_syscall_64+0xc6/0x1e0 [ 3504.741498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.741498][ T10] [ 3504.743212][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3504.743212][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3504.743212][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3504.743212][ T10] ipv6_find_idev+0x102/0x170 [ 3504.743212][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3504.743212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.743212][ T10] netlink_rcv_skb+0x130/0x360 [ 3504.743212][ T10] netlink_unicast+0x449/0x710 [ 3504.743212][ T10] netlink_sendmsg+0x723/0xbe0 [ 3504.743212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3504.743212][ T10] ___sys_sendmsg+0xee/0x170 [ 3504.743212][ T10] __sys_sendmsg+0xcd/0x170 [ 3504.743212][ T10] do_syscall_64+0xc6/0x1e0 [ 3504.743212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.743212][ T10] [ 3504.841061][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3504.841522][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3504.841522][ T1167] dst_init+0x84/0x4a0 [ 3504.841522][ T1167] dst_alloc+0x97/0x150 [ 3504.841522][ T1167] ip6_dst_alloc+0x23/0x90 [ 3504.841522][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3504.841522][ T1167] ip6_pol_route+0x56f/0x840 [ 3504.841522][ T1167] fib6_rule_lookup+0x334/0x630 [ 3504.841522][ T1167] ip6_route_output_flags+0x259/0x480 [ 3504.841522][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3504.841522][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3504.841522][ T1167] netlink_rcv_skb+0x130/0x360 [ 3504.841522][ T1167] netlink_unicast+0x449/0x710 [ 3504.841522][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3504.841522][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3504.841522][ T1167] ___sys_sendmsg+0xee/0x170 [ 3504.841522][ T1167] __sys_sendmsg+0xcd/0x170 [ 3504.841522][ T1167] do_syscall_64+0xc6/0x1e0 [ 3504.841522][ T1167] [ 3504.843778][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3504.843778][ T1167] netdev_get_by_index+0x5e/0x80 [ 3504.843778][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3504.843778][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3504.843778][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3504.843778][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3504.843778][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3504.843778][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3504.843778][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3504.843778][ T1167] addrconf_dad_begin+0x310/0x670 [ 3504.843778][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3504.843778][ T1167] process_one_work+0x84d/0x18a0 [ 3504.843778][ T1167] worker_thread+0x587/0xd30 [ 3504.843778][ T1167] kthread+0x28a/0x350 [ 3504.843778][ T1167] ret_from_fork+0x31/0x70 [ 3504.843778][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3504.843778][ T1167] [ 3504.845944][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3504.845944][ T1167] netdev_get_by_index+0x5e/0x80 [ 3504.845944][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3504.845944][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3504.845944][ T1167] ip6_route_add+0x1c/0x140 [ 3504.845944][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3504.845944][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3504.845944][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3504.845944][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.845944][ T1167] netlink_rcv_skb+0x130/0x360 [ 3504.845944][ T1167] netlink_unicast+0x449/0x710 [ 3504.845944][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3504.845944][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3504.845944][ T1167] ___sys_sendmsg+0xee/0x170 [ 3504.845944][ T1167] __sys_sendmsg+0xcd/0x170 [ 3504.845944][ T1167] do_syscall_64+0xc6/0x1e0 [ 3504.845944][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.845944][ T1167] [ 3504.848205][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3504.848205][ T1167] netdev_get_by_index+0x5e/0x80 [ 3504.848205][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3504.848205][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3504.848205][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3504.848205][ T1167] ipv6_add_addr+0x411/0x2000 [ 3504.848205][ T1167] inet6_addr_add+0x30e/0xa40 [ 3504.848205][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3504.848205][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.848205][ T1167] netlink_rcv_skb+0x130/0x360 [ 3504.848205][ T1167] netlink_unicast+0x449/0x710 [ 3504.848205][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3504.848205][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3504.848205][ T1167] ___sys_sendmsg+0xee/0x170 [ 3504.848205][ T1167] __sys_sendmsg+0xcd/0x170 [ 3504.848205][ T1167] do_syscall_64+0xc6/0x1e0 [ 3504.848205][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.848205][ T1167] [ 3504.850644][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3504.850644][ T1167] netdev_get_by_index+0x5e/0x80 [ 3504.850644][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3504.850644][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3504.850644][ T1167] ip6_route_add+0x1c/0x140 [ 3504.850644][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3504.850644][ T1167] addrconf_add_dev+0xe2/0x170 [ 3504.850644][ T1167] inet6_addr_add+0x12f/0xa40 [ 3504.850644][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3504.850644][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.850644][ T1167] netlink_rcv_skb+0x130/0x360 [ 3504.850644][ T1167] netlink_unicast+0x449/0x710 [ 3504.850644][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3504.850644][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3504.850644][ T1167] ___sys_sendmsg+0xee/0x170 [ 3504.850644][ T1167] __sys_sendmsg+0xcd/0x170 [ 3504.850644][ T1167] do_syscall_64+0xc6/0x1e0 [ 3504.850644][ T1167] [ 3504.852866][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3504.852866][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3504.852866][ T1167] ipv6_find_idev+0x102/0x170 [ 3504.852866][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3504.852866][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.852866][ T1167] netlink_rcv_skb+0x130/0x360 [ 3504.852866][ T1167] netlink_unicast+0x449/0x710 [ 3504.852866][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3504.852866][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3504.852866][ T1167] ___sys_sendmsg+0xee/0x170 [ 3504.852866][ T1167] __sys_sendmsg+0xcd/0x170 [ 3504.852866][ T1167] do_syscall_64+0xc6/0x1e0 [ 3504.852866][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.852866][ T1167] [ 3504.854596][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3504.854596][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3504.854596][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3504.854596][ T1167] ipv6_find_idev+0x102/0x170 [ 3504.854596][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3504.854596][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.854596][ T1167] netlink_rcv_skb+0x130/0x360 [ 3504.854596][ T1167] netlink_unicast+0x449/0x710 [ 3504.854596][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3504.854596][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3504.854596][ T1167] ___sys_sendmsg+0xee/0x170 [ 3504.854596][ T1167] __sys_sendmsg+0xcd/0x170 [ 3504.854596][ T1167] do_syscall_64+0xc6/0x1e0 [ 3504.854596][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.854596][ T1167] [ 3514.985129][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3514.985481][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3514.985481][ T10] netdev_get_by_index+0x5e/0x80 [ 3514.985481][ T10] fib6_nh_init+0x3d8/0x1580 [ 3514.985481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3514.985481][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3514.985481][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3514.985481][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3514.985481][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3514.985481][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3514.985481][ T10] addrconf_dad_begin+0x310/0x670 [ 3514.985481][ T10] addrconf_dad_work+0x10b/0xab0 [ 3514.985481][ T10] process_one_work+0x84d/0x18a0 [ 3514.985481][ T10] worker_thread+0x587/0xd30 [ 3514.985481][ T10] kthread+0x28a/0x350 [ 3514.985481][ T10] ret_from_fork+0x31/0x70 [ 3514.985481][ T10] ret_from_fork_asm+0x1a/0x30 [ 3514.985481][ T10] [ 3514.987456][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3514.987456][ T10] netdev_get_by_index+0x5e/0x80 [ 3514.987456][ T10] fib6_nh_init+0x3d8/0x1580 [ 3514.987456][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3514.987456][ T10] ip6_route_add+0x1c/0x140 [ 3514.987456][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3514.987456][ T10] inet6_addr_add+0x4f8/0xa40 [ 3514.987456][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3514.987456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3514.987456][ T10] netlink_rcv_skb+0x130/0x360 [ 3514.987456][ T10] netlink_unicast+0x449/0x710 [ 3514.987456][ T10] netlink_sendmsg+0x723/0xbe0 [ 3514.987456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3514.987456][ T10] ___sys_sendmsg+0xee/0x170 [ 3514.987456][ T10] __sys_sendmsg+0xcd/0x170 [ 3514.987456][ T10] do_syscall_64+0xc6/0x1e0 [ 3514.987456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3514.987456][ T10] [ 3514.989484][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3514.989484][ T10] netdev_get_by_index+0x5e/0x80 [ 3514.989484][ T10] fib6_nh_init+0x3d8/0x1580 [ 3514.989484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3514.989484][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3514.989484][ T10] ipv6_add_addr+0x411/0x2000 [ 3514.989484][ T10] inet6_addr_add+0x30e/0xa40 [ 3514.989484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3514.989484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3514.989484][ T10] netlink_rcv_skb+0x130/0x360 [ 3514.989484][ T10] netlink_unicast+0x449/0x710 [ 3514.989484][ T10] netlink_sendmsg+0x723/0xbe0 [ 3514.989484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3514.989484][ T10] ___sys_sendmsg+0xee/0x170 [ 3514.989484][ T10] __sys_sendmsg+0xcd/0x170 [ 3514.989484][ T10] do_syscall_64+0xc6/0x1e0 [ 3514.989484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3514.989484][ T10] [ 3514.991484][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3514.991484][ T10] netdev_get_by_index+0x5e/0x80 [ 3514.991484][ T10] fib6_nh_init+0x3d8/0x1580 [ 3514.991484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3514.991484][ T10] ip6_route_add+0x1c/0x140 [ 3514.991484][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3514.991484][ T10] addrconf_add_dev+0xe2/0x170 [ 3514.991484][ T10] inet6_addr_add+0x12f/0xa40 [ 3514.991484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3514.991484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3514.991484][ T10] netlink_rcv_skb+0x130/0x360 [ 3514.991484][ T10] netlink_unicast+0x449/0x710 [ 3514.991484][ T10] netlink_sendmsg+0x723/0xbe0 [ 3514.991484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3514.991484][ T10] ___sys_sendmsg+0xee/0x170 [ 3514.991484][ T10] __sys_sendmsg+0xcd/0x170 [ 3514.991484][ T10] do_syscall_64+0xc6/0x1e0 [ 3514.991484][ T10] [ 3514.993456][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3514.993456][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3514.993456][ T10] ipv6_find_idev+0x102/0x170 [ 3514.993456][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3514.993456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3514.993456][ T10] netlink_rcv_skb+0x130/0x360 [ 3514.993456][ T10] netlink_unicast+0x449/0x710 [ 3514.993456][ T10] netlink_sendmsg+0x723/0xbe0 [ 3514.993456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3514.993456][ T10] ___sys_sendmsg+0xee/0x170 [ 3514.993456][ T10] __sys_sendmsg+0xcd/0x170 [ 3514.993456][ T10] do_syscall_64+0xc6/0x1e0 [ 3514.993456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3514.993456][ T10] [ 3514.994995][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3514.994995][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3514.994995][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3514.994995][ T10] ipv6_find_idev+0x102/0x170 [ 3514.994995][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3514.994995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3514.994995][ T10] netlink_rcv_skb+0x130/0x360 [ 3514.994995][ T10] netlink_unicast+0x449/0x710 [ 3514.994995][ T10] netlink_sendmsg+0x723/0xbe0 [ 3514.994995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3514.994995][ T10] ___sys_sendmsg+0xee/0x170 [ 3514.994995][ T10] __sys_sendmsg+0xcd/0x170 [ 3514.994995][ T10] do_syscall_64+0xc6/0x1e0 [ 3514.994995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3514.994995][ T10] [ 3514.996687][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3514.996928][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3514.996928][ T10] netdev_get_by_index+0x5e/0x80 [ 3514.996928][ T10] fib6_nh_init+0x3d8/0x1580 [ 3514.996928][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3514.996928][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3514.996928][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3514.996928][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3514.996928][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3514.996928][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3514.996928][ T10] addrconf_dad_begin+0x310/0x670 [ 3514.996928][ T10] addrconf_dad_work+0x10b/0xab0 [ 3514.996928][ T10] process_one_work+0x84d/0x18a0 [ 3514.996928][ T10] worker_thread+0x587/0xd30 [ 3514.996928][ T10] kthread+0x28a/0x350 [ 3514.996928][ T10] ret_from_fork+0x31/0x70 [ 3514.996928][ T10] ret_from_fork_asm+0x1a/0x30 [ 3514.996928][ T10] [ 3514.998843][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3514.998843][ T10] netdev_get_by_index+0x5e/0x80 [ 3514.998843][ T10] fib6_nh_init+0x3d8/0x1580 [ 3514.998843][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3514.998843][ T10] ip6_route_add+0x1c/0x140 [ 3514.998843][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3514.998843][ T10] inet6_addr_add+0x4f8/0xa40 [ 3514.998843][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3514.998843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3514.998843][ T10] netlink_rcv_skb+0x130/0x360 [ 3514.998843][ T10] netlink_unicast+0x449/0x710 [ 3514.998843][ T10] netlink_sendmsg+0x723/0xbe0 [ 3514.998843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3514.998843][ T10] ___sys_sendmsg+0xee/0x170 [ 3514.998843][ T10] __sys_sendmsg+0xcd/0x170 [ 3514.998843][ T10] do_syscall_64+0xc6/0x1e0 [ 3514.998843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3514.998843][ T10] [ 3515.000837][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3515.000837][ T10] netdev_get_by_index+0x5e/0x80 [ 3515.000837][ T10] fib6_nh_init+0x3d8/0x1580 [ 3515.000837][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3515.000837][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3515.000837][ T10] ipv6_add_addr+0x411/0x2000 [ 3515.000837][ T10] inet6_addr_add+0x30e/0xa40 [ 3515.000837][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3515.000837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.000837][ T10] netlink_rcv_skb+0x130/0x360 [ 3515.000837][ T10] netlink_unicast+0x449/0x710 [ 3515.000837][ T10] netlink_sendmsg+0x723/0xbe0 [ 3515.000837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3515.000837][ T10] ___sys_sendmsg+0xee/0x170 [ 3515.000837][ T10] __sys_sendmsg+0xcd/0x170 [ 3515.000837][ T10] do_syscall_64+0xc6/0x1e0 [ 3515.000837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3515.000837][ T10] [ 3515.003365][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3515.003365][ T10] netdev_get_by_index+0x5e/0x80 [ 3515.003365][ T10] fib6_nh_init+0x3d8/0x1580 [ 3515.003365][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3515.003365][ T10] ip6_route_add+0x1c/0x140 [ 3515.003365][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3515.003365][ T10] addrconf_add_dev+0xe2/0x170 [ 3515.003365][ T10] inet6_addr_add+0x12f/0xa40 [ 3515.003365][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3515.003365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.003365][ T10] netlink_rcv_skb+0x130/0x360 [ 3515.003365][ T10] netlink_unicast+0x449/0x710 [ 3515.003365][ T10] netlink_sendmsg+0x723/0xbe0 [ 3515.003365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3515.003365][ T10] ___sys_sendmsg+0xee/0x170 [ 3515.003365][ T10] __sys_sendmsg+0xcd/0x170 [ 3515.003365][ T10] do_syscall_64+0xc6/0x1e0 [ 3515.003365][ T10] [ 3515.009135][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3515.009135][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3515.009135][ T10] ipv6_find_idev+0x102/0x170 [ 3515.009135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3515.009135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.009135][ T10] netlink_rcv_skb+0x130/0x360 [ 3515.009135][ T10] netlink_unicast+0x449/0x710 [ 3515.009135][ T10] netlink_sendmsg+0x723/0xbe0 [ 3515.009135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3515.009135][ T10] ___sys_sendmsg+0xee/0x170 [ 3515.009135][ T10] __sys_sendmsg+0xcd/0x170 [ 3515.009135][ T10] do_syscall_64+0xc6/0x1e0 [ 3515.009135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3515.009135][ T10] [ 3515.010678][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3515.010678][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3515.010678][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3515.010678][ T10] ipv6_find_idev+0x102/0x170 [ 3515.010678][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3515.010678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.010678][ T10] netlink_rcv_skb+0x130/0x360 [ 3515.010678][ T10] netlink_unicast+0x449/0x710 [ 3515.010678][ T10] netlink_sendmsg+0x723/0xbe0 [ 3515.010678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3515.010678][ T10] ___sys_sendmsg+0xee/0x170 [ 3515.010678][ T10] __sys_sendmsg+0xcd/0x170 [ 3515.010678][ T10] do_syscall_64+0xc6/0x1e0 [ 3515.010678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3515.010678][ T10] [ 3515.012372][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3515.012612][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3515.012612][ T10] netdev_get_by_index+0x5e/0x80 [ 3515.012612][ T10] fib6_nh_init+0x3d8/0x1580 [ 3515.012612][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3515.012612][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3515.012612][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3515.012612][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3515.012612][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3515.012612][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3515.012612][ T10] addrconf_dad_begin+0x310/0x670 [ 3515.012612][ T10] addrconf_dad_work+0x10b/0xab0 [ 3515.012612][ T10] process_one_work+0x84d/0x18a0 [ 3515.012612][ T10] worker_thread+0x587/0xd30 [ 3515.012612][ T10] kthread+0x28a/0x350 [ 3515.012612][ T10] ret_from_fork+0x31/0x70 [ 3515.012612][ T10] ret_from_fork_asm+0x1a/0x30 [ 3515.012612][ T10] [ 3515.063948][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3515.063948][ T10] netdev_get_by_index+0x5e/0x80 [ 3515.063948][ T10] fib6_nh_init+0x3d8/0x1580 [ 3515.063948][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3515.063948][ T10] ip6_route_add+0x1c/0x140 [ 3515.063948][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3515.063948][ T10] inet6_addr_add+0x4f8/0xa40 [ 3515.063948][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3515.063948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.063948][ T10] netlink_rcv_skb+0x130/0x360 [ 3515.063948][ T10] netlink_unicast+0x449/0x710 [ 3515.063948][ T10] netlink_sendmsg+0x723/0xbe0 [ 3515.063948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3515.063948][ T10] ___sys_sendmsg+0xee/0x170 [ 3515.063948][ T10] __sys_sendmsg+0xcd/0x170 [ 3515.063948][ T10] do_syscall_64+0xc6/0x1e0 [ 3515.063948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3515.063948][ T10] [ 3515.066304][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3515.066304][ T10] netdev_get_by_index+0x5e/0x80 [ 3515.066304][ T10] fib6_nh_init+0x3d8/0x1580 [ 3515.066304][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3515.066304][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3515.066304][ T10] ipv6_add_addr+0x411/0x2000 [ 3515.066304][ T10] inet6_addr_add+0x30e/0xa40 [ 3515.066304][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3515.066304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.066304][ T10] netlink_rcv_skb+0x130/0x360 [ 3515.066304][ T10] netlink_unicast+0x449/0x710 [ 3515.066304][ T10] netlink_sendmsg+0x723/0xbe0 [ 3515.066304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3515.066304][ T10] ___sys_sendmsg+0xee/0x170 [ 3515.066304][ T10] __sys_sendmsg+0xcd/0x170 [ 3515.066304][ T10] do_syscall_64+0xc6/0x1e0 [ 3515.066304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3515.066304][ T10] [ 3515.068635][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3515.068635][ T10] netdev_get_by_index+0x5e/0x80 [ 3515.068635][ T10] fib6_nh_init+0x3d8/0x1580 [ 3515.068635][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3515.068635][ T10] ip6_route_add+0x1c/0x140 [ 3515.068635][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3515.068635][ T10] addrconf_add_dev+0xe2/0x170 [ 3515.068635][ T10] inet6_addr_add+0x12f/0xa40 [ 3515.068635][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3515.068635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.068635][ T10] netlink_rcv_skb+0x130/0x360 [ 3515.068635][ T10] netlink_unicast+0x449/0x710 [ 3515.068635][ T10] netlink_sendmsg+0x723/0xbe0 [ 3515.068635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3515.068635][ T10] ___sys_sendmsg+0xee/0x170 [ 3515.068635][ T10] __sys_sendmsg+0xcd/0x170 [ 3515.068635][ T10] do_syscall_64+0xc6/0x1e0 [ 3515.068635][ T10] [ 3515.070984][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3515.070984][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3515.070984][ T10] ipv6_find_idev+0x102/0x170 [ 3515.070984][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3515.070984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.070984][ T10] netlink_rcv_skb+0x130/0x360 [ 3515.070984][ T10] netlink_unicast+0x449/0x710 [ 3515.070984][ T10] netlink_sendmsg+0x723/0xbe0 [ 3515.070984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3515.070984][ T10] ___sys_sendmsg+0xee/0x170 [ 3515.070984][ T10] __sys_sendmsg+0xcd/0x170 [ 3515.070984][ T10] do_syscall_64+0xc6/0x1e0 [ 3515.070984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3515.070984][ T10] [ 3515.072787][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3515.072787][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3515.072787][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3515.072787][ T10] ipv6_find_idev+0x102/0x170 [ 3515.072787][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3515.072787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.072787][ T10] netlink_rcv_skb+0x130/0x360 [ 3515.072787][ T10] netlink_unicast+0x449/0x710 [ 3515.072787][ T10] netlink_sendmsg+0x723/0xbe0 [ 3515.072787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3515.072787][ T10] ___sys_sendmsg+0xee/0x170 [ 3515.072787][ T10] __sys_sendmsg+0xcd/0x170 [ 3515.072787][ T10] do_syscall_64+0xc6/0x1e0 [ 3515.072787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3515.072787][ T10] [ 3515.074697][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3515.074953][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3515.074953][ T10] netdev_get_by_index+0x5e/0x80 [ 3515.074953][ T10] fib6_nh_init+0x3d8/0x1580 [ 3515.074953][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3515.074953][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3515.074953][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3515.074953][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3515.074953][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3515.074953][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3515.074953][ T10] addrconf_dad_begin+0x310/0x670 [ 3515.074953][ T10] addrconf_dad_work+0x10b/0xab0 [ 3515.074953][ T10] process_one_work+0x84d/0x18a0 [ 3515.074953][ T10] worker_thread+0x587/0xd30 [ 3515.074953][ T10] kthread+0x28a/0x350 [ 3515.074953][ T10] ret_from_fork+0x31/0x70 [ 3515.074953][ T10] ret_from_fork_asm+0x1a/0x30 [ 3515.074953][ T10] [ 3515.077112][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3515.077112][ T10] netdev_get_by_index+0x5e/0x80 [ 3515.077112][ T10] fib6_nh_init+0x3d8/0x1580 [ 3515.077112][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3515.077112][ T10] ip6_route_add+0x1c/0x140 [ 3515.077112][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3515.077112][ T10] inet6_addr_add+0x4f8/0xa40 [ 3515.077112][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3515.077112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.077112][ T10] netlink_rcv_skb+0x130/0x360 [ 3515.077112][ T10] netlink_unicast+0x449/0x710 [ 3515.077112][ T10] netlink_sendmsg+0x723/0xbe0 [ 3515.077112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3515.077112][ T10] ___sys_sendmsg+0xee/0x170 [ 3515.077112][ T10] __sys_sendmsg+0xcd/0x170 [ 3515.077112][ T10] do_syscall_64+0xc6/0x1e0 [ 3515.077112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3515.077112][ T10] [ 3515.079433][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3515.079433][ T10] netdev_get_by_index+0x5e/0x80 [ 3515.079433][ T10] fib6_nh_init+0x3d8/0x1580 [ 3515.079433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3515.079433][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3515.079433][ T10] ipv6_add_addr+0x411/0x2000 [ 3515.079433][ T10] inet6_addr_add+0x30e/0xa40 [ 3515.079433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3515.079433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.079433][ T10] netlink_rcv_skb+0x130/0x360 [ 3515.079433][ T10] netlink_unicast+0x449/0x710 [ 3515.079433][ T10] netlink_sendmsg+0x723/0xbe0 [ 3515.079433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3515.079433][ T10] ___sys_sendmsg+0xee/0x170 [ 3515.079433][ T10] __sys_sendmsg+0xcd/0x170 [ 3515.079433][ T10] do_syscall_64+0xc6/0x1e0 [ 3515.079433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3515.079433][ T10] [ 3515.081643][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3515.081643][ T10] netdev_get_by_index+0x5e/0x80 [ 3515.081643][ T10] fib6_nh_init+0x3d8/0x1580 [ 3515.081643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3515.081643][ T10] ip6_route_add+0x1c/0x140 [ 3515.081643][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3515.081643][ T10] addrconf_add_dev+0xe2/0x170 [ 3515.081643][ T10] inet6_addr_add+0x12f/0xa40 [ 3515.081643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3515.081643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.081643][ T10] netlink_rcv_skb+0x130/0x360 [ 3515.081643][ T10] netlink_unicast+0x449/0x710 [ 3515.081643][ T10] netlink_sendmsg+0x723/0xbe0 [ 3515.081643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3515.081643][ T10] ___sys_sendmsg+0xee/0x170 [ 3515.081643][ T10] __sys_sendmsg+0xcd/0x170 [ 3515.081643][ T10] do_syscall_64+0xc6/0x1e0 [ 3515.081643][ T10] [ 3515.083875][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3515.083875][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3515.083875][ T10] ipv6_find_idev+0x102/0x170 [ 3515.083875][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3515.083875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.083875][ T10] netlink_rcv_skb+0x130/0x360 [ 3515.083875][ T10] netlink_unicast+0x449/0x710 [ 3515.083875][ T10] netlink_sendmsg+0x723/0xbe0 [ 3515.083875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3515.083875][ T10] ___sys_sendmsg+0xee/0x170 [ 3515.083875][ T10] __sys_sendmsg+0xcd/0x170 [ 3515.083875][ T10] do_syscall_64+0xc6/0x1e0 [ 3515.083875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3515.083875][ T10] [ 3515.085610][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3515.085610][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3515.085610][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3515.085610][ T10] ipv6_find_idev+0x102/0x170 [ 3515.085610][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3515.085610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.085610][ T10] netlink_rcv_skb+0x130/0x360 [ 3515.085610][ T10] netlink_unicast+0x449/0x710 [ 3515.085610][ T10] netlink_sendmsg+0x723/0xbe0 [ 3515.085610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3515.085610][ T10] ___sys_sendmsg+0xee/0x170 [ 3515.085610][ T10] __sys_sendmsg+0xcd/0x170 [ 3515.085610][ T10] do_syscall_64+0xc6/0x1e0 [ 3515.085610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3515.085610][ T10] [ 3515.097105][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3515.097452][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3515.097452][ T1167] dst_init+0x84/0x4a0 [ 3515.097452][ T1167] dst_alloc+0x97/0x150 [ 3515.097452][ T1167] ip6_dst_alloc+0x23/0x90 [ 3515.097452][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3515.097452][ T1167] ip6_pol_route+0x56f/0x840 [ 3515.097452][ T1167] fib6_rule_lookup+0x334/0x630 [ 3515.097452][ T1167] ip6_route_output_flags+0x259/0x480 [ 3515.097452][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3515.097452][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3515.097452][ T1167] netlink_rcv_skb+0x130/0x360 [ 3515.097452][ T1167] netlink_unicast+0x449/0x710 [ 3515.097452][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3515.097452][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3515.097452][ T1167] ___sys_sendmsg+0xee/0x170 [ 3515.097452][ T1167] __sys_sendmsg+0xcd/0x170 [ 3515.097452][ T1167] do_syscall_64+0xc6/0x1e0 [ 3515.097452][ T1167] [ 3515.099677][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3515.099677][ T1167] netdev_get_by_index+0x5e/0x80 [ 3515.099677][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3515.099677][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3515.099677][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3515.099677][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3515.099677][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3515.099677][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3515.099677][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3515.099677][ T1167] addrconf_dad_begin+0x310/0x670 [ 3515.099677][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3515.099677][ T1167] process_one_work+0x84d/0x18a0 [ 3515.099677][ T1167] worker_thread+0x587/0xd30 [ 3515.099677][ T1167] kthread+0x28a/0x350 [ 3515.099677][ T1167] ret_from_fork+0x31/0x70 [ 3515.099677][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3515.099677][ T1167] [ 3515.101875][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3515.101875][ T1167] netdev_get_by_index+0x5e/0x80 [ 3515.101875][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3515.101875][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3515.101875][ T1167] ip6_route_add+0x1c/0x140 [ 3515.101875][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3515.101875][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3515.101875][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3515.101875][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.101875][ T1167] netlink_rcv_skb+0x130/0x360 [ 3515.101875][ T1167] netlink_unicast+0x449/0x710 [ 3515.101875][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3515.101875][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3515.101875][ T1167] ___sys_sendmsg+0xee/0x170 [ 3515.101875][ T1167] __sys_sendmsg+0xcd/0x170 [ 3515.101875][ T1167] do_syscall_64+0xc6/0x1e0 [ 3515.101875][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3515.101875][ T1167] [ 3515.104141][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3515.104141][ T1167] netdev_get_by_index+0x5e/0x80 [ 3515.104141][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3515.104141][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3515.104141][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3515.104141][ T1167] ipv6_add_addr+0x411/0x2000 [ 3515.104141][ T1167] inet6_addr_add+0x30e/0xa40 [ 3515.104141][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3515.104141][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.104141][ T1167] netlink_rcv_skb+0x130/0x360 [ 3515.104141][ T1167] netlink_unicast+0x449/0x710 [ 3515.104141][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3515.104141][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3515.104141][ T1167] ___sys_sendmsg+0xee/0x170 [ 3515.104141][ T1167] __sys_sendmsg+0xcd/0x170 [ 3515.104141][ T1167] do_syscall_64+0xc6/0x1e0 [ 3515.104141][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3515.104141][ T1167] [ 3515.106393][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3515.106393][ T1167] netdev_get_by_index+0x5e/0x80 [ 3515.106393][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3515.106393][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3515.106393][ T1167] ip6_route_add+0x1c/0x140 [ 3515.106393][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3515.106393][ T1167] addrconf_add_dev+0xe2/0x170 [ 3515.106393][ T1167] inet6_addr_add+0x12f/0xa40 [ 3515.106393][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3515.106393][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.106393][ T1167] netlink_rcv_skb+0x130/0x360 [ 3515.106393][ T1167] netlink_unicast+0x449/0x710 [ 3515.106393][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3515.106393][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3515.106393][ T1167] ___sys_sendmsg+0xee/0x170 [ 3515.106393][ T1167] __sys_sendmsg+0xcd/0x170 [ 3515.106393][ T1167] do_syscall_64+0xc6/0x1e0 [ 3515.106393][ T1167] [ 3515.108604][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3515.108604][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3515.108604][ T1167] ipv6_find_idev+0x102/0x170 [ 3515.108604][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3515.108604][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.108604][ T1167] netlink_rcv_skb+0x130/0x360 [ 3515.108604][ T1167] netlink_unicast+0x449/0x710 [ 3515.108604][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3515.108604][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3515.108604][ T1167] ___sys_sendmsg+0xee/0x170 [ 3515.108604][ T1167] __sys_sendmsg+0xcd/0x170 [ 3515.108604][ T1167] do_syscall_64+0xc6/0x1e0 [ 3515.108604][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3515.108604][ T1167] [ 3515.110349][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3515.110349][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3515.110349][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3515.110349][ T1167] ipv6_find_idev+0x102/0x170 [ 3515.110349][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3515.110349][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.110349][ T1167] netlink_rcv_skb+0x130/0x360 [ 3515.110349][ T1167] netlink_unicast+0x449/0x710 [ 3515.110349][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3515.110349][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3515.110349][ T1167] ___sys_sendmsg+0xee/0x170 [ 3515.110349][ T1167] __sys_sendmsg+0xcd/0x170 [ 3515.110349][ T1167] do_syscall_64+0xc6/0x1e0 [ 3515.110349][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3515.110349][ T1167] [ 3525.329123][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3525.329515][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3525.329515][ T10] netdev_get_by_index+0x5e/0x80 [ 3525.329515][ T10] fib6_nh_init+0x3d8/0x1580 [ 3525.329515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3525.329515][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3525.329515][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3525.329515][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3525.329515][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3525.329515][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3525.329515][ T10] addrconf_dad_begin+0x310/0x670 [ 3525.329515][ T10] addrconf_dad_work+0x10b/0xab0 [ 3525.329515][ T10] process_one_work+0x84d/0x18a0 [ 3525.329515][ T10] worker_thread+0x587/0xd30 [ 3525.329515][ T10] kthread+0x28a/0x350 [ 3525.329515][ T10] ret_from_fork+0x31/0x70 [ 3525.329515][ T10] ret_from_fork_asm+0x1a/0x30 [ 3525.329515][ T10] [ 3525.331494][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3525.331494][ T10] netdev_get_by_index+0x5e/0x80 [ 3525.331494][ T10] fib6_nh_init+0x3d8/0x1580 [ 3525.331494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3525.331494][ T10] ip6_route_add+0x1c/0x140 [ 3525.331494][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3525.331494][ T10] inet6_addr_add+0x4f8/0xa40 [ 3525.331494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3525.331494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.331494][ T10] netlink_rcv_skb+0x130/0x360 [ 3525.331494][ T10] netlink_unicast+0x449/0x710 [ 3525.331494][ T10] netlink_sendmsg+0x723/0xbe0 [ 3525.331494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3525.331494][ T10] ___sys_sendmsg+0xee/0x170 [ 3525.331494][ T10] __sys_sendmsg+0xcd/0x170 [ 3525.331494][ T10] do_syscall_64+0xc6/0x1e0 [ 3525.331494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.331494][ T10] [ 3525.333513][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3525.333513][ T10] netdev_get_by_index+0x5e/0x80 [ 3525.333513][ T10] fib6_nh_init+0x3d8/0x1580 [ 3525.333513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3525.333513][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3525.333513][ T10] ipv6_add_addr+0x411/0x2000 [ 3525.333513][ T10] inet6_addr_add+0x30e/0xa40 [ 3525.333513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3525.333513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.333513][ T10] netlink_rcv_skb+0x130/0x360 [ 3525.333513][ T10] netlink_unicast+0x449/0x710 [ 3525.333513][ T10] netlink_sendmsg+0x723/0xbe0 [ 3525.333513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3525.333513][ T10] ___sys_sendmsg+0xee/0x170 [ 3525.333513][ T10] __sys_sendmsg+0xcd/0x170 [ 3525.333513][ T10] do_syscall_64+0xc6/0x1e0 [ 3525.333513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.333513][ T10] [ 3525.335545][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3525.335545][ T10] netdev_get_by_index+0x5e/0x80 [ 3525.335545][ T10] fib6_nh_init+0x3d8/0x1580 [ 3525.335545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3525.335545][ T10] ip6_route_add+0x1c/0x140 [ 3525.335545][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3525.335545][ T10] addrconf_add_dev+0xe2/0x170 [ 3525.335545][ T10] inet6_addr_add+0x12f/0xa40 [ 3525.335545][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3525.335545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.335545][ T10] netlink_rcv_skb+0x130/0x360 [ 3525.335545][ T10] netlink_unicast+0x449/0x710 [ 3525.335545][ T10] netlink_sendmsg+0x723/0xbe0 [ 3525.335545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3525.335545][ T10] ___sys_sendmsg+0xee/0x170 [ 3525.335545][ T10] __sys_sendmsg+0xcd/0x170 [ 3525.335545][ T10] do_syscall_64+0xc6/0x1e0 [ 3525.335545][ T10] [ 3525.337532][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3525.337532][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3525.337532][ T10] ipv6_find_idev+0x102/0x170 [ 3525.337532][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3525.337532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.337532][ T10] netlink_rcv_skb+0x130/0x360 [ 3525.337532][ T10] netlink_unicast+0x449/0x710 [ 3525.337532][ T10] netlink_sendmsg+0x723/0xbe0 [ 3525.337532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3525.337532][ T10] ___sys_sendmsg+0xee/0x170 [ 3525.337532][ T10] __sys_sendmsg+0xcd/0x170 [ 3525.337532][ T10] do_syscall_64+0xc6/0x1e0 [ 3525.337532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.337532][ T10] [ 3525.339118][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3525.339118][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3525.339118][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3525.339118][ T10] ipv6_find_idev+0x102/0x170 [ 3525.339118][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3525.339118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.339118][ T10] netlink_rcv_skb+0x130/0x360 [ 3525.339118][ T10] netlink_unicast+0x449/0x710 [ 3525.339118][ T10] netlink_sendmsg+0x723/0xbe0 [ 3525.339118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3525.339118][ T10] ___sys_sendmsg+0xee/0x170 [ 3525.339118][ T10] __sys_sendmsg+0xcd/0x170 [ 3525.339118][ T10] do_syscall_64+0xc6/0x1e0 [ 3525.339118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.339118][ T10] [ 3525.340818][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3525.341075][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3525.341075][ T10] netdev_get_by_index+0x5e/0x80 [ 3525.341075][ T10] fib6_nh_init+0x3d8/0x1580 [ 3525.341075][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3525.341075][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3525.341075][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3525.341075][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3525.341075][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3525.341075][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3525.341075][ T10] addrconf_dad_begin+0x310/0x670 [ 3525.341075][ T10] addrconf_dad_work+0x10b/0xab0 [ 3525.341075][ T10] process_one_work+0x84d/0x18a0 [ 3525.341075][ T10] worker_thread+0x587/0xd30 [ 3525.341075][ T10] kthread+0x28a/0x350 [ 3525.341075][ T10] ret_from_fork+0x31/0x70 [ 3525.341075][ T10] ret_from_fork_asm+0x1a/0x30 [ 3525.341075][ T10] [ 3525.343051][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3525.343051][ T10] netdev_get_by_index+0x5e/0x80 [ 3525.343051][ T10] fib6_nh_init+0x3d8/0x1580 [ 3525.343051][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3525.343051][ T10] ip6_route_add+0x1c/0x140 [ 3525.343051][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3525.343051][ T10] inet6_addr_add+0x4f8/0xa40 [ 3525.343051][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3525.343051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.343051][ T10] netlink_rcv_skb+0x130/0x360 [ 3525.343051][ T10] netlink_unicast+0x449/0x710 [ 3525.343051][ T10] netlink_sendmsg+0x723/0xbe0 [ 3525.343051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3525.343051][ T10] ___sys_sendmsg+0xee/0x170 [ 3525.343051][ T10] __sys_sendmsg+0xcd/0x170 [ 3525.343051][ T10] do_syscall_64+0xc6/0x1e0 [ 3525.343051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.343051][ T10] [ 3525.345044][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3525.345044][ T10] netdev_get_by_index+0x5e/0x80 [ 3525.345044][ T10] fib6_nh_init+0x3d8/0x1580 [ 3525.345044][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3525.345044][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3525.345044][ T10] ipv6_add_addr+0x411/0x2000 [ 3525.345044][ T10] inet6_addr_add+0x30e/0xa40 [ 3525.345044][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3525.345044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.345044][ T10] netlink_rcv_skb+0x130/0x360 [ 3525.345044][ T10] netlink_unicast+0x449/0x710 [ 3525.345044][ T10] netlink_sendmsg+0x723/0xbe0 [ 3525.345044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3525.345044][ T10] ___sys_sendmsg+0xee/0x170 [ 3525.345044][ T10] __sys_sendmsg+0xcd/0x170 [ 3525.345044][ T10] do_syscall_64+0xc6/0x1e0 [ 3525.345044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.345044][ T10] [ 3525.347088][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3525.347088][ T10] netdev_get_by_index+0x5e/0x80 [ 3525.347088][ T10] fib6_nh_init+0x3d8/0x1580 [ 3525.347088][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3525.347088][ T10] ip6_route_add+0x1c/0x140 [ 3525.347088][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3525.347088][ T10] addrconf_add_dev+0xe2/0x170 [ 3525.347088][ T10] inet6_addr_add+0x12f/0xa40 [ 3525.347088][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3525.347088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.347088][ T10] netlink_rcv_skb+0x130/0x360 [ 3525.347088][ T10] netlink_unicast+0x449/0x710 [ 3525.347088][ T10] netlink_sendmsg+0x723/0xbe0 [ 3525.347088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3525.347088][ T10] ___sys_sendmsg+0xee/0x170 [ 3525.347088][ T10] __sys_sendmsg+0xcd/0x170 [ 3525.347088][ T10] do_syscall_64+0xc6/0x1e0 [ 3525.347088][ T10] [ 3525.349061][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3525.349061][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3525.349061][ T10] ipv6_find_idev+0x102/0x170 [ 3525.349061][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3525.349061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.349061][ T10] netlink_rcv_skb+0x130/0x360 [ 3525.349061][ T10] netlink_unicast+0x449/0x710 [ 3525.349061][ T10] netlink_sendmsg+0x723/0xbe0 [ 3525.349061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3525.349061][ T10] ___sys_sendmsg+0xee/0x170 [ 3525.349061][ T10] __sys_sendmsg+0xcd/0x170 [ 3525.349061][ T10] do_syscall_64+0xc6/0x1e0 [ 3525.349061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.349061][ T10] [ 3525.350633][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3525.350633][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3525.350633][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3525.350633][ T10] ipv6_find_idev+0x102/0x170 [ 3525.350633][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3525.350633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.350633][ T10] netlink_rcv_skb+0x130/0x360 [ 3525.350633][ T10] netlink_unicast+0x449/0x710 [ 3525.350633][ T10] netlink_sendmsg+0x723/0xbe0 [ 3525.350633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3525.350633][ T10] ___sys_sendmsg+0xee/0x170 [ 3525.350633][ T10] __sys_sendmsg+0xcd/0x170 [ 3525.350633][ T10] do_syscall_64+0xc6/0x1e0 [ 3525.350633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.350633][ T10] [ 3525.352321][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3525.352567][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3525.352567][ T10] netdev_get_by_index+0x5e/0x80 [ 3525.352567][ T10] fib6_nh_init+0x3d8/0x1580 [ 3525.352567][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3525.352567][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3525.352567][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3525.352567][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3525.352567][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3525.352567][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3525.352567][ T10] addrconf_dad_begin+0x310/0x670 [ 3525.352567][ T10] addrconf_dad_work+0x10b/0xab0 [ 3525.352567][ T10] process_one_work+0x84d/0x18a0 [ 3525.352567][ T10] worker_thread+0x587/0xd30 [ 3525.352567][ T10] kthread+0x28a/0x350 [ 3525.352567][ T10] ret_from_fork+0x31/0x70 [ 3525.352567][ T10] ret_from_fork_asm+0x1a/0x30 [ 3525.352567][ T10] [ 3525.354505][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3525.354505][ T10] netdev_get_by_index+0x5e/0x80 [ 3525.354505][ T10] fib6_nh_init+0x3d8/0x1580 [ 3525.354505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3525.354505][ T10] ip6_route_add+0x1c/0x140 [ 3525.354505][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3525.354505][ T10] inet6_addr_add+0x4f8/0xa40 [ 3525.354505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3525.354505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.354505][ T10] netlink_rcv_skb+0x130/0x360 [ 3525.354505][ T10] netlink_unicast+0x449/0x710 [ 3525.354505][ T10] netlink_sendmsg+0x723/0xbe0 [ 3525.354505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3525.354505][ T10] ___sys_sendmsg+0xee/0x170 [ 3525.354505][ T10] __sys_sendmsg+0xcd/0x170 [ 3525.354505][ T10] do_syscall_64+0xc6/0x1e0 [ 3525.354505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.354505][ T10] [ 3525.356677][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3525.356677][ T10] netdev_get_by_index+0x5e/0x80 [ 3525.356677][ T10] fib6_nh_init+0x3d8/0x1580 [ 3525.356677][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3525.356677][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3525.356677][ T10] ipv6_add_addr+0x411/0x2000 [ 3525.356677][ T10] inet6_addr_add+0x30e/0xa40 [ 3525.356677][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3525.356677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.356677][ T10] netlink_rcv_skb+0x130/0x360 [ 3525.356677][ T10] netlink_unicast+0x449/0x710 [ 3525.356677][ T10] netlink_sendmsg+0x723/0xbe0 [ 3525.356677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3525.356677][ T10] ___sys_sendmsg+0xee/0x170 [ 3525.356677][ T10] __sys_sendmsg+0xcd/0x170 [ 3525.356677][ T10] do_syscall_64+0xc6/0x1e0 [ 3525.356677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.356677][ T10] [ 3525.359003][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3525.359003][ T10] netdev_get_by_index+0x5e/0x80 [ 3525.359003][ T10] fib6_nh_init+0x3d8/0x1580 [ 3525.359003][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3525.359003][ T10] ip6_route_add+0x1c/0x140 [ 3525.359003][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3525.359003][ T10] addrconf_add_dev+0xe2/0x170 [ 3525.359003][ T10] inet6_addr_add+0x12f/0xa40 [ 3525.359003][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3525.359003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.359003][ T10] netlink_rcv_skb+0x130/0x360 [ 3525.359003][ T10] netlink_unicast+0x449/0x710 [ 3525.359003][ T10] netlink_sendmsg+0x723/0xbe0 [ 3525.359003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3525.359003][ T10] ___sys_sendmsg+0xee/0x170 [ 3525.359003][ T10] __sys_sendmsg+0xcd/0x170 [ 3525.359003][ T10] do_syscall_64+0xc6/0x1e0 [ 3525.359003][ T10] [ 3525.361201][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3525.361201][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3525.361201][ T10] ipv6_find_idev+0x102/0x170 [ 3525.361201][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3525.361201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.361201][ T10] netlink_rcv_skb+0x130/0x360 [ 3525.361201][ T10] netlink_unicast+0x449/0x710 [ 3525.361201][ T10] netlink_sendmsg+0x723/0xbe0 [ 3525.361201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3525.361201][ T10] ___sys_sendmsg+0xee/0x170 [ 3525.361201][ T10] __sys_sendmsg+0xcd/0x170 [ 3525.361201][ T10] do_syscall_64+0xc6/0x1e0 [ 3525.361201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.361201][ T10] [ 3525.362957][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3525.362957][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3525.362957][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3525.362957][ T10] ipv6_find_idev+0x102/0x170 [ 3525.362957][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3525.362957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.362957][ T10] netlink_rcv_skb+0x130/0x360 [ 3525.362957][ T10] netlink_unicast+0x449/0x710 [ 3525.362957][ T10] netlink_sendmsg+0x723/0xbe0 [ 3525.362957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3525.362957][ T10] ___sys_sendmsg+0xee/0x170 [ 3525.362957][ T10] __sys_sendmsg+0xcd/0x170 [ 3525.362957][ T10] do_syscall_64+0xc6/0x1e0 [ 3525.362957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.362957][ T10] [ 3525.365136][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3525.365172][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3525.365521][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3525.365521][ T1167] dst_init+0x84/0x4a0 [ 3525.365521][ T1167] dst_alloc+0x97/0x150 [ 3525.365521][ T1167] ip6_dst_alloc+0x23/0x90 [ 3525.365521][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3525.365521][ T1167] ip6_pol_route+0x56f/0x840 [ 3525.365521][ T1167] fib6_rule_lookup+0x334/0x630 [ 3525.365521][ T1167] ip6_route_output_flags+0x259/0x480 [ 3525.365521][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3525.365521][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3525.365521][ T1167] netlink_rcv_skb+0x130/0x360 [ 3525.365521][ T1167] netlink_unicast+0x449/0x710 [ 3525.365521][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3525.365521][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3525.365521][ T1167] ___sys_sendmsg+0xee/0x170 [ 3525.365521][ T1167] __sys_sendmsg+0xcd/0x170 [ 3525.365521][ T1167] do_syscall_64+0xc6/0x1e0 [ 3525.365521][ T1167] [ 3525.365683][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3525.365683][ T10] netdev_get_by_index+0x5e/0x80 [ 3525.365683][ T10] fib6_nh_init+0x3d8/0x1580 [ 3525.365683][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3525.365683][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3525.365683][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3525.365683][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3525.365683][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3525.365683][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3525.365683][ T10] addrconf_dad_begin+0x310/0x670 [ 3525.365683][ T10] addrconf_dad_work+0x10b/0xab0 [ 3525.365683][ T10] process_one_work+0x84d/0x18a0 [ 3525.365683][ T10] worker_thread+0x587/0xd30 [ 3525.365683][ T10] kthread+0x28a/0x350 [ 3525.365683][ T10] ret_from_fork+0x31/0x70 [ 3525.365683][ T10] ret_from_fork_asm+0x1a/0x30 [ 3525.365683][ T10] [ 3525.367829][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3525.367829][ T1167] netdev_get_by_index+0x5e/0x80 [ 3525.367829][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3525.367829][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3525.367829][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3525.367829][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3525.367829][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3525.367829][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3525.367829][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3525.367829][ T1167] addrconf_dad_begin+0x310/0x670 [ 3525.367829][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3525.367829][ T1167] process_one_work+0x84d/0x18a0 [ 3525.367829][ T1167] worker_thread+0x587/0xd30 [ 3525.367829][ T1167] kthread+0x28a/0x350 [ 3525.367829][ T1167] ret_from_fork+0x31/0x70 [ 3525.367829][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3525.367829][ T1167] [ 3525.369713][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3525.369713][ T10] netdev_get_by_index+0x5e/0x80 [ 3525.369713][ T10] fib6_nh_init+0x3d8/0x1580 [ 3525.369713][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3525.369713][ T10] ip6_route_add+0x1c/0x140 [ 3525.369713][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3525.369713][ T10] inet6_addr_add+0x4f8/0xa40 [ 3525.369713][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3525.369713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.369713][ T10] netlink_rcv_skb+0x130/0x360 [ 3525.369713][ T10] netlink_unicast+0x449/0x710 [ 3525.369713][ T10] netlink_sendmsg+0x723/0xbe0 [ 3525.369713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3525.369713][ T10] ___sys_sendmsg+0xee/0x170 [ 3525.369713][ T10] __sys_sendmsg+0xcd/0x170 [ 3525.369713][ T10] do_syscall_64+0xc6/0x1e0 [ 3525.369713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.369713][ T10] [ 3525.372107][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3525.372107][ T1167] netdev_get_by_index+0x5e/0x80 [ 3525.372107][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3525.372107][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3525.372107][ T1167] ip6_route_add+0x1c/0x140 [ 3525.372107][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3525.372107][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3525.372107][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3525.372107][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.372107][ T1167] netlink_rcv_skb+0x130/0x360 [ 3525.372107][ T1167] netlink_unicast+0x449/0x710 [ 3525.372107][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3525.372107][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3525.372107][ T1167] ___sys_sendmsg+0xee/0x170 [ 3525.372107][ T1167] __sys_sendmsg+0xcd/0x170 [ 3525.372107][ T1167] do_syscall_64+0xc6/0x1e0 [ 3525.372107][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.372107][ T1167] [ 3525.374406][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3525.374406][ T10] netdev_get_by_index+0x5e/0x80 [ 3525.374406][ T10] fib6_nh_init+0x3d8/0x1580 [ 3525.374406][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3525.374406][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3525.374406][ T10] ipv6_add_addr+0x411/0x2000 [ 3525.374406][ T10] inet6_addr_add+0x30e/0xa40 [ 3525.374406][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3525.374406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.374406][ T10] netlink_rcv_skb+0x130/0x360 [ 3525.374406][ T10] netlink_unicast+0x449/0x710 [ 3525.374406][ T10] netlink_sendmsg+0x723/0xbe0 [ 3525.374406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3525.374406][ T10] ___sys_sendmsg+0xee/0x170 [ 3525.374406][ T10] __sys_sendmsg+0xcd/0x170 [ 3525.374406][ T10] do_syscall_64+0xc6/0x1e0 [ 3525.374406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.374406][ T10] [ 3525.376957][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3525.376957][ T1167] netdev_get_by_index+0x5e/0x80 [ 3525.376957][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3525.376957][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3525.376957][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3525.376957][ T1167] ipv6_add_addr+0x411/0x2000 [ 3525.376957][ T1167] inet6_addr_add+0x30e/0xa40 [ 3525.376957][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3525.376957][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.376957][ T1167] netlink_rcv_skb+0x130/0x360 [ 3525.376957][ T1167] netlink_unicast+0x449/0x710 [ 3525.376957][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3525.376957][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3525.376957][ T1167] ___sys_sendmsg+0xee/0x170 [ 3525.376957][ T1167] __sys_sendmsg+0xcd/0x170 [ 3525.376957][ T1167] do_syscall_64+0xc6/0x1e0 [ 3525.376957][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.376957][ T1167] [ 3525.379206][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3525.379206][ T10] netdev_get_by_index+0x5e/0x80 [ 3525.379206][ T10] fib6_nh_init+0x3d8/0x1580 [ 3525.379206][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3525.379206][ T10] ip6_route_add+0x1c/0x140 [ 3525.379206][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3525.379206][ T10] addrconf_add_dev+0xe2/0x170 [ 3525.379206][ T10] inet6_addr_add+0x12f/0xa40 [ 3525.379206][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3525.379206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.379206][ T10] netlink_rcv_skb+0x130/0x360 [ 3525.379206][ T10] netlink_unicast+0x449/0x710 [ 3525.379206][ T10] netlink_sendmsg+0x723/0xbe0 [ 3525.379206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3525.379206][ T10] ___sys_sendmsg+0xee/0x170 [ 3525.379206][ T10] __sys_sendmsg+0xcd/0x170 [ 3525.379206][ T10] do_syscall_64+0xc6/0x1e0 [ 3525.379206][ T10] [ 3525.381692][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3525.381692][ T1167] netdev_get_by_index+0x5e/0x80 [ 3525.381692][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3525.381692][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3525.381692][ T1167] ip6_route_add+0x1c/0x140 [ 3525.381692][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3525.381692][ T1167] addrconf_add_dev+0xe2/0x170 [ 3525.381692][ T1167] inet6_addr_add+0x12f/0xa40 [ 3525.381692][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3525.381692][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.381692][ T1167] netlink_rcv_skb+0x130/0x360 [ 3525.381692][ T1167] netlink_unicast+0x449/0x710 [ 3525.381692][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3525.381692][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3525.381692][ T1167] ___sys_sendmsg+0xee/0x170 [ 3525.381692][ T1167] __sys_sendmsg+0xcd/0x170 [ 3525.381692][ T1167] do_syscall_64+0xc6/0x1e0 [ 3525.381692][ T1167] [ 3525.383899][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3525.383899][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3525.383899][ T10] ipv6_find_idev+0x102/0x170 [ 3525.383899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3525.383899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.383899][ T10] netlink_rcv_skb+0x130/0x360 [ 3525.383899][ T10] netlink_unicast+0x449/0x710 [ 3525.383899][ T10] netlink_sendmsg+0x723/0xbe0 [ 3525.383899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3525.383899][ T10] ___sys_sendmsg+0xee/0x170 [ 3525.383899][ T10] __sys_sendmsg+0xcd/0x170 [ 3525.383899][ T10] do_syscall_64+0xc6/0x1e0 [ 3525.383899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.383899][ T10] [ 3525.386413][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3525.386413][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3525.386413][ T1167] ipv6_find_idev+0x102/0x170 [ 3525.386413][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3525.386413][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.386413][ T1167] netlink_rcv_skb+0x130/0x360 [ 3525.386413][ T1167] netlink_unicast+0x449/0x710 [ 3525.386413][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3525.386413][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3525.386413][ T1167] ___sys_sendmsg+0xee/0x170 [ 3525.386413][ T1167] __sys_sendmsg+0xcd/0x170 [ 3525.386413][ T1167] do_syscall_64+0xc6/0x1e0 [ 3525.386413][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.386413][ T1167] [ 3525.388131][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3525.388131][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3525.388131][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3525.388131][ T10] ipv6_find_idev+0x102/0x170 [ 3525.388131][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3525.388131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.388131][ T10] netlink_rcv_skb+0x130/0x360 [ 3525.388131][ T10] netlink_unicast+0x449/0x710 [ 3525.388131][ T10] netlink_sendmsg+0x723/0xbe0 [ 3525.388131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3525.388131][ T10] ___sys_sendmsg+0xee/0x170 [ 3525.388131][ T10] __sys_sendmsg+0xcd/0x170 [ 3525.388131][ T10] do_syscall_64+0xc6/0x1e0 [ 3525.388131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.388131][ T10] [ 3525.390088][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3525.390088][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3525.390088][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3525.390088][ T1167] ipv6_find_idev+0x102/0x170 [ 3525.390088][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3525.390088][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.390088][ T1167] netlink_rcv_skb+0x130/0x360 [ 3525.390088][ T1167] netlink_unicast+0x449/0x710 [ 3525.390088][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3525.390088][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3525.390088][ T1167] ___sys_sendmsg+0xee/0x170 [ 3525.390088][ T1167] __sys_sendmsg+0xcd/0x170 [ 3525.390088][ T1167] do_syscall_64+0xc6/0x1e0 [ 3525.390088][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.390088][ T1167] [ 3535.633143][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3535.633149][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3535.633286][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3535.633286][ T1167] dst_init+0x84/0x4a0 [ 3535.633286][ T1167] dst_alloc+0x97/0x150 [ 3535.633286][ T1167] ip6_dst_alloc+0x23/0x90 [ 3535.633286][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3535.633286][ T1167] ip6_pol_route+0x56f/0x840 [ 3535.633286][ T1167] fib6_rule_lookup+0x334/0x630 [ 3535.633286][ T1167] ip6_route_output_flags+0x259/0x480 [ 3535.633286][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3535.633286][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3535.633286][ T1167] netlink_rcv_skb+0x130/0x360 [ 3535.633286][ T1167] netlink_unicast+0x449/0x710 [ 3535.633286][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3535.633286][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3535.633286][ T1167] ___sys_sendmsg+0xee/0x170 [ 3535.633286][ T1167] __sys_sendmsg+0xcd/0x170 [ 3535.633286][ T1167] do_syscall_64+0xc6/0x1e0 [ 3535.633286][ T1167] [ 3535.633574][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3535.633574][ T10] netdev_get_by_index+0x5e/0x80 [ 3535.633574][ T10] fib6_nh_init+0x3d8/0x1580 [ 3535.633574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3535.633574][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3535.633574][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3535.633574][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3535.633574][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3535.633574][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3535.633574][ T10] addrconf_dad_begin+0x310/0x670 [ 3535.633574][ T10] addrconf_dad_work+0x10b/0xab0 [ 3535.633574][ T10] process_one_work+0x84d/0x18a0 [ 3535.633574][ T10] worker_thread+0x587/0xd30 [ 3535.633574][ T10] kthread+0x28a/0x350 [ 3535.633574][ T10] ret_from_fork+0x31/0x70 [ 3535.633574][ T10] ret_from_fork_asm+0x1a/0x30 [ 3535.633574][ T10] [ 3535.633787][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3535.633787][ T1167] netdev_get_by_index+0x5e/0x80 [ 3535.633787][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3535.633787][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3535.633787][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3535.633787][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3535.633787][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3535.633787][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3535.633787][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3535.633787][ T1167] addrconf_dad_begin+0x310/0x670 [ 3535.633787][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3535.633787][ T1167] process_one_work+0x84d/0x18a0 [ 3535.633787][ T1167] worker_thread+0x587/0xd30 [ 3535.633787][ T1167] kthread+0x28a/0x350 [ 3535.633787][ T1167] ret_from_fork+0x31/0x70 [ 3535.633787][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3535.633787][ T1167] [ 3535.635720][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3535.635720][ T10] netdev_get_by_index+0x5e/0x80 [ 3535.635720][ T10] fib6_nh_init+0x3d8/0x1580 [ 3535.635720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3535.635720][ T10] ip6_route_add+0x1c/0x140 [ 3535.635720][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3535.635720][ T10] inet6_addr_add+0x4f8/0xa40 [ 3535.635720][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3535.635720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.635720][ T10] netlink_rcv_skb+0x130/0x360 [ 3535.635720][ T10] netlink_unicast+0x449/0x710 [ 3535.635720][ T10] netlink_sendmsg+0x723/0xbe0 [ 3535.635720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3535.635720][ T10] ___sys_sendmsg+0xee/0x170 [ 3535.635720][ T10] __sys_sendmsg+0xcd/0x170 [ 3535.635720][ T10] do_syscall_64+0xc6/0x1e0 [ 3535.635720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.635720][ T10] [ 3535.637858][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3535.637858][ T1167] netdev_get_by_index+0x5e/0x80 [ 3535.637858][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3535.637858][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3535.637858][ T1167] ip6_route_add+0x1c/0x140 [ 3535.637858][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3535.637858][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3535.637858][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3535.637858][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.637858][ T1167] netlink_rcv_skb+0x130/0x360 [ 3535.637858][ T1167] netlink_unicast+0x449/0x710 [ 3535.637858][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3535.637858][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3535.637858][ T1167] ___sys_sendmsg+0xee/0x170 [ 3535.637858][ T1167] __sys_sendmsg+0xcd/0x170 [ 3535.637858][ T1167] do_syscall_64+0xc6/0x1e0 [ 3535.637858][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.637858][ T1167] [ 3535.639741][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3535.639741][ T10] netdev_get_by_index+0x5e/0x80 [ 3535.639741][ T10] fib6_nh_init+0x3d8/0x1580 [ 3535.639741][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3535.639741][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3535.639741][ T10] ipv6_add_addr+0x411/0x2000 [ 3535.639741][ T10] inet6_addr_add+0x30e/0xa40 [ 3535.639741][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3535.639741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.639741][ T10] netlink_rcv_skb+0x130/0x360 [ 3535.639741][ T10] netlink_unicast+0x449/0x710 [ 3535.639741][ T10] netlink_sendmsg+0x723/0xbe0 [ 3535.639741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3535.639741][ T10] ___sys_sendmsg+0xee/0x170 [ 3535.639741][ T10] __sys_sendmsg+0xcd/0x170 [ 3535.639741][ T10] do_syscall_64+0xc6/0x1e0 [ 3535.639741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.639741][ T10] [ 3535.641998][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3535.641998][ T1167] netdev_get_by_index+0x5e/0x80 [ 3535.641998][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3535.641998][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3535.641998][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3535.641998][ T1167] ipv6_add_addr+0x411/0x2000 [ 3535.641998][ T1167] inet6_addr_add+0x30e/0xa40 [ 3535.641998][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3535.641998][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.641998][ T1167] netlink_rcv_skb+0x130/0x360 [ 3535.641998][ T1167] netlink_unicast+0x449/0x710 [ 3535.641998][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3535.641998][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3535.641998][ T1167] ___sys_sendmsg+0xee/0x170 [ 3535.641998][ T1167] __sys_sendmsg+0xcd/0x170 [ 3535.641998][ T1167] do_syscall_64+0xc6/0x1e0 [ 3535.641998][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.641998][ T1167] [ 3535.643984][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3535.643984][ T10] netdev_get_by_index+0x5e/0x80 [ 3535.643984][ T10] fib6_nh_init+0x3d8/0x1580 [ 3535.643984][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3535.643984][ T10] ip6_route_add+0x1c/0x140 [ 3535.643984][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3535.643984][ T10] addrconf_add_dev+0xe2/0x170 [ 3535.643984][ T10] inet6_addr_add+0x12f/0xa40 [ 3535.643984][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3535.643984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.643984][ T10] netlink_rcv_skb+0x130/0x360 [ 3535.643984][ T10] netlink_unicast+0x449/0x710 [ 3535.643984][ T10] netlink_sendmsg+0x723/0xbe0 [ 3535.643984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3535.643984][ T10] ___sys_sendmsg+0xee/0x170 [ 3535.643984][ T10] __sys_sendmsg+0xcd/0x170 [ 3535.643984][ T10] do_syscall_64+0xc6/0x1e0 [ 3535.643984][ T10] [ 3535.646212][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3535.646212][ T1167] netdev_get_by_index+0x5e/0x80 [ 3535.646212][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3535.646212][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3535.646212][ T1167] ip6_route_add+0x1c/0x140 [ 3535.646212][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3535.646212][ T1167] addrconf_add_dev+0xe2/0x170 [ 3535.646212][ T1167] inet6_addr_add+0x12f/0xa40 [ 3535.646212][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3535.646212][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.646212][ T1167] netlink_rcv_skb+0x130/0x360 [ 3535.646212][ T1167] netlink_unicast+0x449/0x710 [ 3535.646212][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3535.646212][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3535.646212][ T1167] ___sys_sendmsg+0xee/0x170 [ 3535.646212][ T1167] __sys_sendmsg+0xcd/0x170 [ 3535.646212][ T1167] do_syscall_64+0xc6/0x1e0 [ 3535.646212][ T1167] [ 3535.648190][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3535.648190][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3535.648190][ T10] ipv6_find_idev+0x102/0x170 [ 3535.648190][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3535.648190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.648190][ T10] netlink_rcv_skb+0x130/0x360 [ 3535.648190][ T10] netlink_unicast+0x449/0x710 [ 3535.648190][ T10] netlink_sendmsg+0x723/0xbe0 [ 3535.648190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3535.648190][ T10] ___sys_sendmsg+0xee/0x170 [ 3535.648190][ T10] __sys_sendmsg+0xcd/0x170 [ 3535.648190][ T10] do_syscall_64+0xc6/0x1e0 [ 3535.648190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.648190][ T10] [ 3535.650396][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3535.650396][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3535.650396][ T1167] ipv6_find_idev+0x102/0x170 [ 3535.650396][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3535.650396][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.650396][ T1167] netlink_rcv_skb+0x130/0x360 [ 3535.650396][ T1167] netlink_unicast+0x449/0x710 [ 3535.650396][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3535.650396][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3535.650396][ T1167] ___sys_sendmsg+0xee/0x170 [ 3535.650396][ T1167] __sys_sendmsg+0xcd/0x170 [ 3535.650396][ T1167] do_syscall_64+0xc6/0x1e0 [ 3535.650396][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.650396][ T1167] [ 3535.652344][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3535.652344][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3535.652344][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3535.652344][ T10] ipv6_find_idev+0x102/0x170 [ 3535.652344][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3535.652344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.652344][ T10] netlink_rcv_skb+0x130/0x360 [ 3535.652344][ T10] netlink_unicast+0x449/0x710 [ 3535.652344][ T10] netlink_sendmsg+0x723/0xbe0 [ 3535.652344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3535.652344][ T10] ___sys_sendmsg+0xee/0x170 [ 3535.652344][ T10] __sys_sendmsg+0xcd/0x170 [ 3535.652344][ T10] do_syscall_64+0xc6/0x1e0 [ 3535.652344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.652344][ T10] [ 3535.654067][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3535.654067][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3535.654067][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3535.654067][ T1167] ipv6_find_idev+0x102/0x170 [ 3535.654067][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3535.654067][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.654067][ T1167] netlink_rcv_skb+0x130/0x360 [ 3535.654067][ T1167] netlink_unicast+0x449/0x710 [ 3535.654067][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3535.654067][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3535.654067][ T1167] ___sys_sendmsg+0xee/0x170 [ 3535.654067][ T1167] __sys_sendmsg+0xcd/0x170 [ 3535.654067][ T1167] do_syscall_64+0xc6/0x1e0 [ 3535.654067][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.654067][ T1167] [ 3535.655616][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3535.659333][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3535.659333][ T10] netdev_get_by_index+0x5e/0x80 [ 3535.659333][ T10] fib6_nh_init+0x3d8/0x1580 [ 3535.659333][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3535.659333][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3535.659333][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3535.659333][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3535.659333][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3535.659333][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3535.659333][ T10] addrconf_dad_begin+0x310/0x670 [ 3535.659333][ T10] addrconf_dad_work+0x10b/0xab0 [ 3535.659333][ T10] process_one_work+0x84d/0x18a0 [ 3535.659333][ T10] worker_thread+0x587/0xd30 [ 3535.659333][ T10] kthread+0x28a/0x350 [ 3535.659333][ T10] ret_from_fork+0x31/0x70 [ 3535.659333][ T10] ret_from_fork_asm+0x1a/0x30 [ 3535.659333][ T10] [ 3535.661266][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3535.661266][ T10] netdev_get_by_index+0x5e/0x80 [ 3535.661266][ T10] fib6_nh_init+0x3d8/0x1580 [ 3535.661266][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3535.661266][ T10] ip6_route_add+0x1c/0x140 [ 3535.661266][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3535.661266][ T10] inet6_addr_add+0x4f8/0xa40 [ 3535.661266][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3535.661266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.661266][ T10] netlink_rcv_skb+0x130/0x360 [ 3535.661266][ T10] netlink_unicast+0x449/0x710 [ 3535.661266][ T10] netlink_sendmsg+0x723/0xbe0 [ 3535.661266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3535.661266][ T10] ___sys_sendmsg+0xee/0x170 [ 3535.661266][ T10] __sys_sendmsg+0xcd/0x170 [ 3535.661266][ T10] do_syscall_64+0xc6/0x1e0 [ 3535.661266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.661266][ T10] [ 3535.663402][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3535.663402][ T10] netdev_get_by_index+0x5e/0x80 [ 3535.663402][ T10] fib6_nh_init+0x3d8/0x1580 [ 3535.663402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3535.663402][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3535.663402][ T10] ipv6_add_addr+0x411/0x2000 [ 3535.663402][ T10] inet6_addr_add+0x30e/0xa40 [ 3535.663402][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3535.663402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.663402][ T10] netlink_rcv_skb+0x130/0x360 [ 3535.663402][ T10] netlink_unicast+0x449/0x710 [ 3535.663402][ T10] netlink_sendmsg+0x723/0xbe0 [ 3535.663402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3535.663402][ T10] ___sys_sendmsg+0xee/0x170 [ 3535.663402][ T10] __sys_sendmsg+0xcd/0x170 [ 3535.663402][ T10] do_syscall_64+0xc6/0x1e0 [ 3535.663402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.663402][ T10] [ 3535.665527][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3535.665527][ T10] netdev_get_by_index+0x5e/0x80 [ 3535.665527][ T10] fib6_nh_init+0x3d8/0x1580 [ 3535.665527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3535.665527][ T10] ip6_route_add+0x1c/0x140 [ 3535.665527][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3535.665527][ T10] addrconf_add_dev+0xe2/0x170 [ 3535.665527][ T10] inet6_addr_add+0x12f/0xa40 [ 3535.665527][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3535.665527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.665527][ T10] netlink_rcv_skb+0x130/0x360 [ 3535.665527][ T10] netlink_unicast+0x449/0x710 [ 3535.665527][ T10] netlink_sendmsg+0x723/0xbe0 [ 3535.665527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3535.665527][ T10] ___sys_sendmsg+0xee/0x170 [ 3535.665527][ T10] __sys_sendmsg+0xcd/0x170 [ 3535.665527][ T10] do_syscall_64+0xc6/0x1e0 [ 3535.665527][ T10] [ 3535.667796][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3535.667796][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3535.667796][ T10] ipv6_find_idev+0x102/0x170 [ 3535.667796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3535.667796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.667796][ T10] netlink_rcv_skb+0x130/0x360 [ 3535.667796][ T10] netlink_unicast+0x449/0x710 [ 3535.667796][ T10] netlink_sendmsg+0x723/0xbe0 [ 3535.667796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3535.667796][ T10] ___sys_sendmsg+0xee/0x170 [ 3535.667796][ T10] __sys_sendmsg+0xcd/0x170 [ 3535.667796][ T10] do_syscall_64+0xc6/0x1e0 [ 3535.667796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.667796][ T10] [ 3535.669524][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3535.669524][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3535.669524][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3535.669524][ T10] ipv6_find_idev+0x102/0x170 [ 3535.669524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3535.669524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.669524][ T10] netlink_rcv_skb+0x130/0x360 [ 3535.669524][ T10] netlink_unicast+0x449/0x710 [ 3535.669524][ T10] netlink_sendmsg+0x723/0xbe0 [ 3535.669524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3535.669524][ T10] ___sys_sendmsg+0xee/0x170 [ 3535.669524][ T10] __sys_sendmsg+0xcd/0x170 [ 3535.669524][ T10] do_syscall_64+0xc6/0x1e0 [ 3535.669524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.669524][ T10] [ 3535.671281][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3535.671530][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3535.671530][ T10] netdev_get_by_index+0x5e/0x80 [ 3535.671530][ T10] fib6_nh_init+0x3d8/0x1580 [ 3535.671530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3535.671530][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3535.671530][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3535.671530][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3535.671530][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3535.671530][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3535.671530][ T10] addrconf_dad_begin+0x310/0x670 [ 3535.671530][ T10] addrconf_dad_work+0x10b/0xab0 [ 3535.671530][ T10] process_one_work+0x84d/0x18a0 [ 3535.671530][ T10] worker_thread+0x587/0xd30 [ 3535.671530][ T10] kthread+0x28a/0x350 [ 3535.671530][ T10] ret_from_fork+0x31/0x70 [ 3535.671530][ T10] ret_from_fork_asm+0x1a/0x30 [ 3535.671530][ T10] [ 3535.673686][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3535.673686][ T10] netdev_get_by_index+0x5e/0x80 [ 3535.673686][ T10] fib6_nh_init+0x3d8/0x1580 [ 3535.673686][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3535.673686][ T10] ip6_route_add+0x1c/0x140 [ 3535.673686][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3535.673686][ T10] inet6_addr_add+0x4f8/0xa40 [ 3535.673686][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3535.673686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.673686][ T10] netlink_rcv_skb+0x130/0x360 [ 3535.673686][ T10] netlink_unicast+0x449/0x710 [ 3535.673686][ T10] netlink_sendmsg+0x723/0xbe0 [ 3535.673686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3535.673686][ T10] ___sys_sendmsg+0xee/0x170 [ 3535.673686][ T10] __sys_sendmsg+0xcd/0x170 [ 3535.673686][ T10] do_syscall_64+0xc6/0x1e0 [ 3535.673686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.673686][ T10] [ 3535.675883][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3535.675883][ T10] netdev_get_by_index+0x5e/0x80 [ 3535.675883][ T10] fib6_nh_init+0x3d8/0x1580 [ 3535.675883][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3535.675883][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3535.675883][ T10] ipv6_add_addr+0x411/0x2000 [ 3535.675883][ T10] inet6_addr_add+0x30e/0xa40 [ 3535.675883][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3535.675883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.675883][ T10] netlink_rcv_skb+0x130/0x360 [ 3535.675883][ T10] netlink_unicast+0x449/0x710 [ 3535.675883][ T10] netlink_sendmsg+0x723/0xbe0 [ 3535.675883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3535.675883][ T10] ___sys_sendmsg+0xee/0x170 [ 3535.675883][ T10] __sys_sendmsg+0xcd/0x170 [ 3535.675883][ T10] do_syscall_64+0xc6/0x1e0 [ 3535.675883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.675883][ T10] [ 3535.678137][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3535.678137][ T10] netdev_get_by_index+0x5e/0x80 [ 3535.678137][ T10] fib6_nh_init+0x3d8/0x1580 [ 3535.678137][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3535.678137][ T10] ip6_route_add+0x1c/0x140 [ 3535.678137][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3535.678137][ T10] addrconf_add_dev+0xe2/0x170 [ 3535.678137][ T10] inet6_addr_add+0x12f/0xa40 [ 3535.678137][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3535.678137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.678137][ T10] netlink_rcv_skb+0x130/0x360 [ 3535.678137][ T10] netlink_unicast+0x449/0x710 [ 3535.678137][ T10] netlink_sendmsg+0x723/0xbe0 [ 3535.678137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3535.678137][ T10] ___sys_sendmsg+0xee/0x170 [ 3535.678137][ T10] __sys_sendmsg+0xcd/0x170 [ 3535.678137][ T10] do_syscall_64+0xc6/0x1e0 [ 3535.678137][ T10] [ 3535.680232][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3535.680232][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3535.680232][ T10] ipv6_find_idev+0x102/0x170 [ 3535.680232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3535.680232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.680232][ T10] netlink_rcv_skb+0x130/0x360 [ 3535.680232][ T10] netlink_unicast+0x449/0x710 [ 3535.680232][ T10] netlink_sendmsg+0x723/0xbe0 [ 3535.680232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3535.680232][ T10] ___sys_sendmsg+0xee/0x170 [ 3535.680232][ T10] __sys_sendmsg+0xcd/0x170 [ 3535.680232][ T10] do_syscall_64+0xc6/0x1e0 [ 3535.680232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.680232][ T10] [ 3535.681906][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3535.681906][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3535.681906][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3535.681906][ T10] ipv6_find_idev+0x102/0x170 [ 3535.681906][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3535.681906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.681906][ T10] netlink_rcv_skb+0x130/0x360 [ 3535.681906][ T10] netlink_unicast+0x449/0x710 [ 3535.681906][ T10] netlink_sendmsg+0x723/0xbe0 [ 3535.681906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3535.681906][ T10] ___sys_sendmsg+0xee/0x170 [ 3535.681906][ T10] __sys_sendmsg+0xcd/0x170 [ 3535.681906][ T10] do_syscall_64+0xc6/0x1e0 [ 3535.681906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.681906][ T10] [ 3535.684228][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3535.684476][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3535.684476][ T10] netdev_get_by_index+0x5e/0x80 [ 3535.684476][ T10] fib6_nh_init+0x3d8/0x1580 [ 3535.684476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3535.684476][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3535.684476][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3535.684476][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3535.684476][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3535.684476][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3535.684476][ T10] addrconf_dad_begin+0x310/0x670 [ 3535.684476][ T10] addrconf_dad_work+0x10b/0xab0 [ 3535.684476][ T10] process_one_work+0x84d/0x18a0 [ 3535.684476][ T10] worker_thread+0x587/0xd30 [ 3535.684476][ T10] kthread+0x28a/0x350 [ 3535.684476][ T10] ret_from_fork+0x31/0x70 [ 3535.684476][ T10] ret_from_fork_asm+0x1a/0x30 [ 3535.684476][ T10] [ 3535.686390][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3535.686390][ T10] netdev_get_by_index+0x5e/0x80 [ 3535.686390][ T10] fib6_nh_init+0x3d8/0x1580 [ 3535.686390][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3535.686390][ T10] ip6_route_add+0x1c/0x140 [ 3535.686390][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3535.686390][ T10] inet6_addr_add+0x4f8/0xa40 [ 3535.686390][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3535.686390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.686390][ T10] netlink_rcv_skb+0x130/0x360 [ 3535.686390][ T10] netlink_unicast+0x449/0x710 [ 3535.686390][ T10] netlink_sendmsg+0x723/0xbe0 [ 3535.686390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3535.686390][ T10] ___sys_sendmsg+0xee/0x170 [ 3535.686390][ T10] __sys_sendmsg+0xcd/0x170 [ 3535.686390][ T10] do_syscall_64+0xc6/0x1e0 [ 3535.686390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.686390][ T10] [ 3535.688505][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3535.688505][ T10] netdev_get_by_index+0x5e/0x80 [ 3535.688505][ T10] fib6_nh_init+0x3d8/0x1580 [ 3535.688505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3535.688505][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3535.688505][ T10] ipv6_add_addr+0x411/0x2000 [ 3535.688505][ T10] inet6_addr_add+0x30e/0xa40 [ 3535.688505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3535.688505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.688505][ T10] netlink_rcv_skb+0x130/0x360 [ 3535.688505][ T10] netlink_unicast+0x449/0x710 [ 3535.688505][ T10] netlink_sendmsg+0x723/0xbe0 [ 3535.688505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3535.688505][ T10] ___sys_sendmsg+0xee/0x170 [ 3535.688505][ T10] __sys_sendmsg+0xcd/0x170 [ 3535.688505][ T10] do_syscall_64+0xc6/0x1e0 [ 3535.688505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.688505][ T10] [ 3535.690713][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3535.690713][ T10] netdev_get_by_index+0x5e/0x80 [ 3535.690713][ T10] fib6_nh_init+0x3d8/0x1580 [ 3535.690713][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3535.690713][ T10] ip6_route_add+0x1c/0x140 [ 3535.690713][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3535.690713][ T10] addrconf_add_dev+0xe2/0x170 [ 3535.690713][ T10] inet6_addr_add+0x12f/0xa40 [ 3535.690713][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3535.690713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.690713][ T10] netlink_rcv_skb+0x130/0x360 [ 3535.690713][ T10] netlink_unicast+0x449/0x710 [ 3535.690713][ T10] netlink_sendmsg+0x723/0xbe0 [ 3535.690713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3535.690713][ T10] ___sys_sendmsg+0xee/0x170 [ 3535.690713][ T10] __sys_sendmsg+0xcd/0x170 [ 3535.690713][ T10] do_syscall_64+0xc6/0x1e0 [ 3535.690713][ T10] [ 3535.693169][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3535.693169][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3535.693169][ T10] ipv6_find_idev+0x102/0x170 [ 3535.693169][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3535.693169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.693169][ T10] netlink_rcv_skb+0x130/0x360 [ 3535.693169][ T10] netlink_unicast+0x449/0x710 [ 3535.693169][ T10] netlink_sendmsg+0x723/0xbe0 [ 3535.693169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3535.693169][ T10] ___sys_sendmsg+0xee/0x170 [ 3535.693169][ T10] __sys_sendmsg+0xcd/0x170 [ 3535.693169][ T10] do_syscall_64+0xc6/0x1e0 [ 3535.693169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.693169][ T10] [ 3535.695731][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3535.695731][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3535.695731][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3535.695731][ T10] ipv6_find_idev+0x102/0x170 [ 3535.695731][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3535.695731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.695731][ T10] netlink_rcv_skb+0x130/0x360 [ 3535.695731][ T10] netlink_unicast+0x449/0x710 [ 3535.695731][ T10] netlink_sendmsg+0x723/0xbe0 [ 3535.695731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3535.695731][ T10] ___sys_sendmsg+0xee/0x170 [ 3535.695731][ T10] __sys_sendmsg+0xcd/0x170 [ 3535.695731][ T10] do_syscall_64+0xc6/0x1e0 [ 3535.695731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.695731][ T10] [ 3545.897123][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3545.897625][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3545.897625][ T1167] dst_init+0x84/0x4a0 [ 3545.897625][ T1167] dst_alloc+0x97/0x150 [ 3545.897625][ T1167] ip6_dst_alloc+0x23/0x90 [ 3545.897625][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3545.897625][ T1167] ip6_pol_route+0x56f/0x840 [ 3545.897625][ T1167] fib6_rule_lookup+0x334/0x630 [ 3545.897625][ T1167] ip6_route_output_flags+0x259/0x480 [ 3545.897625][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3545.897625][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3545.897625][ T1167] netlink_rcv_skb+0x130/0x360 [ 3545.897625][ T1167] netlink_unicast+0x449/0x710 [ 3545.897625][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3545.897625][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3545.897625][ T1167] ___sys_sendmsg+0xee/0x170 [ 3545.897625][ T1167] __sys_sendmsg+0xcd/0x170 [ 3545.897625][ T1167] do_syscall_64+0xc6/0x1e0 [ 3545.897625][ T1167] [ 3545.899848][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3545.899848][ T1167] netdev_get_by_index+0x5e/0x80 [ 3545.899848][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3545.899848][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3545.899848][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3545.899848][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3545.899848][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3545.899848][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3545.899848][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3545.899848][ T1167] addrconf_dad_begin+0x310/0x670 [ 3545.899848][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3545.899848][ T1167] process_one_work+0x84d/0x18a0 [ 3545.899848][ T1167] worker_thread+0x587/0xd30 [ 3545.899848][ T1167] kthread+0x28a/0x350 [ 3545.899848][ T1167] ret_from_fork+0x31/0x70 [ 3545.899848][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3545.899848][ T1167] [ 3545.902021][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3545.902021][ T1167] netdev_get_by_index+0x5e/0x80 [ 3545.902021][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3545.902021][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3545.902021][ T1167] ip6_route_add+0x1c/0x140 [ 3545.902021][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3545.902021][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3545.902021][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3545.902021][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3545.902021][ T1167] netlink_rcv_skb+0x130/0x360 [ 3545.902021][ T1167] netlink_unicast+0x449/0x710 [ 3545.902021][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3545.902021][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3545.902021][ T1167] ___sys_sendmsg+0xee/0x170 [ 3545.902021][ T1167] __sys_sendmsg+0xcd/0x170 [ 3545.902021][ T1167] do_syscall_64+0xc6/0x1e0 [ 3545.902021][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3545.902021][ T1167] [ 3545.904270][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3545.904270][ T1167] netdev_get_by_index+0x5e/0x80 [ 3545.904270][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3545.904270][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3545.904270][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3545.904270][ T1167] ipv6_add_addr+0x411/0x2000 [ 3545.904270][ T1167] inet6_addr_add+0x30e/0xa40 [ 3545.904270][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3545.904270][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3545.904270][ T1167] netlink_rcv_skb+0x130/0x360 [ 3545.904270][ T1167] netlink_unicast+0x449/0x710 [ 3545.904270][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3545.904270][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3545.904270][ T1167] ___sys_sendmsg+0xee/0x170 [ 3545.904270][ T1167] __sys_sendmsg+0xcd/0x170 [ 3545.904270][ T1167] do_syscall_64+0xc6/0x1e0 [ 3545.904270][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3545.904270][ T1167] [ 3545.906519][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3545.906519][ T1167] netdev_get_by_index+0x5e/0x80 [ 3545.906519][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3545.906519][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3545.906519][ T1167] ip6_route_add+0x1c/0x140 [ 3545.906519][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3545.906519][ T1167] addrconf_add_dev+0xe2/0x170 [ 3545.906519][ T1167] inet6_addr_add+0x12f/0xa40 [ 3545.906519][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3545.906519][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3545.906519][ T1167] netlink_rcv_skb+0x130/0x360 [ 3545.906519][ T1167] netlink_unicast+0x449/0x710 [ 3545.906519][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3545.906519][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3545.906519][ T1167] ___sys_sendmsg+0xee/0x170 [ 3545.906519][ T1167] __sys_sendmsg+0xcd/0x170 [ 3545.906519][ T1167] do_syscall_64+0xc6/0x1e0 [ 3545.906519][ T1167] [ 3545.908736][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3545.908736][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3545.908736][ T1167] ipv6_find_idev+0x102/0x170 [ 3545.908736][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3545.908736][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3545.908736][ T1167] netlink_rcv_skb+0x130/0x360 [ 3545.908736][ T1167] netlink_unicast+0x449/0x710 [ 3545.908736][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3545.908736][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3545.908736][ T1167] ___sys_sendmsg+0xee/0x170 [ 3545.908736][ T1167] __sys_sendmsg+0xcd/0x170 [ 3545.908736][ T1167] do_syscall_64+0xc6/0x1e0 [ 3545.908736][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3545.908736][ T1167] [ 3545.910470][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3545.910470][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3545.910470][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3545.910470][ T1167] ipv6_find_idev+0x102/0x170 [ 3545.910470][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3545.910470][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3545.910470][ T1167] netlink_rcv_skb+0x130/0x360 [ 3545.910470][ T1167] netlink_unicast+0x449/0x710 [ 3545.910470][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3545.910470][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3545.910470][ T1167] ___sys_sendmsg+0xee/0x170 [ 3545.910470][ T1167] __sys_sendmsg+0xcd/0x170 [ 3545.910470][ T1167] do_syscall_64+0xc6/0x1e0 [ 3545.910470][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3545.910470][ T1167] [ 3545.937112][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3545.937416][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3545.937416][ T10] netdev_get_by_index+0x5e/0x80 [ 3545.937416][ T10] fib6_nh_init+0x3d8/0x1580 [ 3545.937416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3545.937416][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3545.937416][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3545.937416][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3545.937416][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3545.937416][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3545.937416][ T10] addrconf_dad_begin+0x310/0x670 [ 3545.937416][ T10] addrconf_dad_work+0x10b/0xab0 [ 3545.937416][ T10] process_one_work+0x84d/0x18a0 [ 3545.937416][ T10] worker_thread+0x587/0xd30 [ 3545.937416][ T10] kthread+0x28a/0x350 [ 3545.937416][ T10] ret_from_fork+0x31/0x70 [ 3545.937416][ T10] ret_from_fork_asm+0x1a/0x30 [ 3545.937416][ T10] [ 3545.939373][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3545.939373][ T10] netdev_get_by_index+0x5e/0x80 [ 3545.939373][ T10] fib6_nh_init+0x3d8/0x1580 [ 3545.939373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3545.939373][ T10] ip6_route_add+0x1c/0x140 [ 3545.939373][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3545.939373][ T10] inet6_addr_add+0x4f8/0xa40 [ 3545.939373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3545.939373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3545.939373][ T10] netlink_rcv_skb+0x130/0x360 [ 3545.939373][ T10] netlink_unicast+0x449/0x710 [ 3545.939373][ T10] netlink_sendmsg+0x723/0xbe0 [ 3545.939373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3545.939373][ T10] ___sys_sendmsg+0xee/0x170 [ 3545.939373][ T10] __sys_sendmsg+0xcd/0x170 [ 3545.939373][ T10] do_syscall_64+0xc6/0x1e0 [ 3545.939373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3545.939373][ T10] [ 3545.941406][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3545.941406][ T10] netdev_get_by_index+0x5e/0x80 [ 3545.941406][ T10] fib6_nh_init+0x3d8/0x1580 [ 3545.941406][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3545.941406][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3545.941406][ T10] ipv6_add_addr+0x411/0x2000 [ 3545.941406][ T10] inet6_addr_add+0x30e/0xa40 [ 3545.941406][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3545.941406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3545.941406][ T10] netlink_rcv_skb+0x130/0x360 [ 3545.941406][ T10] netlink_unicast+0x449/0x710 [ 3545.941406][ T10] netlink_sendmsg+0x723/0xbe0 [ 3545.941406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3545.941406][ T10] ___sys_sendmsg+0xee/0x170 [ 3545.941406][ T10] __sys_sendmsg+0xcd/0x170 [ 3545.941406][ T10] do_syscall_64+0xc6/0x1e0 [ 3545.941406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3545.941406][ T10] [ 3545.943461][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3545.943461][ T10] netdev_get_by_index+0x5e/0x80 [ 3545.943461][ T10] fib6_nh_init+0x3d8/0x1580 [ 3545.943461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3545.943461][ T10] ip6_route_add+0x1c/0x140 [ 3545.943461][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3545.943461][ T10] addrconf_add_dev+0xe2/0x170 [ 3545.943461][ T10] inet6_addr_add+0x12f/0xa40 [ 3545.943461][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3545.943461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3545.943461][ T10] netlink_rcv_skb+0x130/0x360 [ 3545.943461][ T10] netlink_unicast+0x449/0x710 [ 3545.943461][ T10] netlink_sendmsg+0x723/0xbe0 [ 3545.943461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3545.943461][ T10] ___sys_sendmsg+0xee/0x170 [ 3545.943461][ T10] __sys_sendmsg+0xcd/0x170 [ 3545.943461][ T10] do_syscall_64+0xc6/0x1e0 [ 3545.943461][ T10] [ 3545.945439][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3545.945439][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3545.945439][ T10] ipv6_find_idev+0x102/0x170 [ 3545.945439][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3545.945439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3545.945439][ T10] netlink_rcv_skb+0x130/0x360 [ 3545.945439][ T10] netlink_unicast+0x449/0x710 [ 3545.945439][ T10] netlink_sendmsg+0x723/0xbe0 [ 3545.945439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3545.945439][ T10] ___sys_sendmsg+0xee/0x170 [ 3545.945439][ T10] __sys_sendmsg+0xcd/0x170 [ 3545.945439][ T10] do_syscall_64+0xc6/0x1e0 [ 3545.945439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3545.945439][ T10] [ 3545.946993][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3545.946993][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3545.946993][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3545.946993][ T10] ipv6_find_idev+0x102/0x170 [ 3545.946993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3545.946993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3545.946993][ T10] netlink_rcv_skb+0x130/0x360 [ 3545.946993][ T10] netlink_unicast+0x449/0x710 [ 3545.946993][ T10] netlink_sendmsg+0x723/0xbe0 [ 3545.946993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3545.946993][ T10] ___sys_sendmsg+0xee/0x170 [ 3545.946993][ T10] __sys_sendmsg+0xcd/0x170 [ 3545.946993][ T10] do_syscall_64+0xc6/0x1e0 [ 3545.946993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3545.946993][ T10] [ 3545.948810][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3545.949077][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3545.949077][ T10] netdev_get_by_index+0x5e/0x80 [ 3545.949077][ T10] fib6_nh_init+0x3d8/0x1580 [ 3545.949077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3545.949077][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3545.949077][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3545.949077][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3545.949077][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3545.949077][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3545.949077][ T10] addrconf_dad_begin+0x310/0x670 [ 3545.949077][ T10] addrconf_dad_work+0x10b/0xab0 [ 3545.949077][ T10] process_one_work+0x84d/0x18a0 [ 3545.949077][ T10] worker_thread+0x587/0xd30 [ 3545.949077][ T10] kthread+0x28a/0x350 [ 3545.949077][ T10] ret_from_fork+0x31/0x70 [ 3545.949077][ T10] ret_from_fork_asm+0x1a/0x30 [ 3545.949077][ T10] [ 3545.950998][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3545.950998][ T10] netdev_get_by_index+0x5e/0x80 [ 3545.950998][ T10] fib6_nh_init+0x3d8/0x1580 [ 3545.950998][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3545.950998][ T10] ip6_route_add+0x1c/0x140 [ 3545.950998][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3545.950998][ T10] inet6_addr_add+0x4f8/0xa40 [ 3545.950998][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3545.950998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3545.950998][ T10] netlink_rcv_skb+0x130/0x360 [ 3545.950998][ T10] netlink_unicast+0x449/0x710 [ 3545.950998][ T10] netlink_sendmsg+0x723/0xbe0 [ 3545.950998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3545.950998][ T10] ___sys_sendmsg+0xee/0x170 [ 3545.950998][ T10] __sys_sendmsg+0xcd/0x170 [ 3545.950998][ T10] do_syscall_64+0xc6/0x1e0 [ 3545.950998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3545.950998][ T10] [ 3545.953014][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3545.953014][ T10] netdev_get_by_index+0x5e/0x80 [ 3545.953014][ T10] fib6_nh_init+0x3d8/0x1580 [ 3545.953014][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3545.953014][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3545.953014][ T10] ipv6_add_addr+0x411/0x2000 [ 3545.953014][ T10] inet6_addr_add+0x30e/0xa40 [ 3545.953014][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3545.953014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3545.953014][ T10] netlink_rcv_skb+0x130/0x360 [ 3545.953014][ T10] netlink_unicast+0x449/0x710 [ 3545.953014][ T10] netlink_sendmsg+0x723/0xbe0 [ 3545.953014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3545.953014][ T10] ___sys_sendmsg+0xee/0x170 [ 3545.953014][ T10] __sys_sendmsg+0xcd/0x170 [ 3545.953014][ T10] do_syscall_64+0xc6/0x1e0 [ 3545.953014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3545.953014][ T10] [ 3545.955034][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3545.955034][ T10] netdev_get_by_index+0x5e/0x80 [ 3545.955034][ T10] fib6_nh_init+0x3d8/0x1580 [ 3545.955034][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3545.955034][ T10] ip6_route_add+0x1c/0x140 [ 3545.955034][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3545.955034][ T10] addrconf_add_dev+0xe2/0x170 [ 3545.955034][ T10] inet6_addr_add+0x12f/0xa40 [ 3545.955034][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3545.955034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3545.955034][ T10] netlink_rcv_skb+0x130/0x360 [ 3545.955034][ T10] netlink_unicast+0x449/0x710 [ 3545.955034][ T10] netlink_sendmsg+0x723/0xbe0 [ 3545.955034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3545.955034][ T10] ___sys_sendmsg+0xee/0x170 [ 3545.955034][ T10] __sys_sendmsg+0xcd/0x170 [ 3545.955034][ T10] do_syscall_64+0xc6/0x1e0 [ 3545.955034][ T10] [ 3545.957014][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3545.957014][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3545.957014][ T10] ipv6_find_idev+0x102/0x170 [ 3545.957014][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3545.957014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3545.957014][ T10] netlink_rcv_skb+0x130/0x360 [ 3545.957014][ T10] netlink_unicast+0x449/0x710 [ 3545.957014][ T10] netlink_sendmsg+0x723/0xbe0 [ 3545.957014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3545.957014][ T10] ___sys_sendmsg+0xee/0x170 [ 3545.957014][ T10] __sys_sendmsg+0xcd/0x170 [ 3545.957014][ T10] do_syscall_64+0xc6/0x1e0 [ 3545.957014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3545.957014][ T10] [ 3545.958561][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3545.958561][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3545.958561][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3545.958561][ T10] ipv6_find_idev+0x102/0x170 [ 3545.958561][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3545.958561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3545.958561][ T10] netlink_rcv_skb+0x130/0x360 [ 3545.958561][ T10] netlink_unicast+0x449/0x710 [ 3545.958561][ T10] netlink_sendmsg+0x723/0xbe0 [ 3545.958561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3545.958561][ T10] ___sys_sendmsg+0xee/0x170 [ 3545.958561][ T10] __sys_sendmsg+0xcd/0x170 [ 3545.958561][ T10] do_syscall_64+0xc6/0x1e0 [ 3545.958561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3545.958561][ T10] [ 3545.960247][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3545.960502][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3545.960502][ T10] netdev_get_by_index+0x5e/0x80 [ 3545.960502][ T10] fib6_nh_init+0x3d8/0x1580 [ 3545.960502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3545.960502][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3545.960502][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3545.960502][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3545.960502][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3545.960502][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3545.960502][ T10] addrconf_dad_begin+0x310/0x670 [ 3545.960502][ T10] addrconf_dad_work+0x10b/0xab0 [ 3545.960502][ T10] process_one_work+0x84d/0x18a0 [ 3545.960502][ T10] worker_thread+0x587/0xd30 [ 3545.960502][ T10] kthread+0x28a/0x350 [ 3545.960502][ T10] ret_from_fork+0x31/0x70 [ 3545.960502][ T10] ret_from_fork_asm+0x1a/0x30 [ 3545.960502][ T10] [ 3545.965004][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3545.965004][ T10] netdev_get_by_index+0x5e/0x80 [ 3545.965004][ T10] fib6_nh_init+0x3d8/0x1580 [ 3545.965004][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3545.965004][ T10] ip6_route_add+0x1c/0x140 [ 3545.965004][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3545.965004][ T10] inet6_addr_add+0x4f8/0xa40 [ 3545.965004][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3545.965004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3545.965004][ T10] netlink_rcv_skb+0x130/0x360 [ 3545.965004][ T10] netlink_unicast+0x449/0x710 [ 3545.965004][ T10] netlink_sendmsg+0x723/0xbe0 [ 3545.965004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3545.965004][ T10] ___sys_sendmsg+0xee/0x170 [ 3545.965004][ T10] __sys_sendmsg+0xcd/0x170 [ 3545.965004][ T10] do_syscall_64+0xc6/0x1e0 [ 3545.965004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3545.965004][ T10] [ 3545.967208][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3545.967208][ T10] netdev_get_by_index+0x5e/0x80 [ 3545.967208][ T10] fib6_nh_init+0x3d8/0x1580 [ 3545.967208][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3545.967208][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3545.967208][ T10] ipv6_add_addr+0x411/0x2000 [ 3545.967208][ T10] inet6_addr_add+0x30e/0xa40 [ 3545.967208][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3545.967208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3545.967208][ T10] netlink_rcv_skb+0x130/0x360 [ 3545.967208][ T10] netlink_unicast+0x449/0x710 [ 3545.967208][ T10] netlink_sendmsg+0x723/0xbe0 [ 3545.967208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3545.967208][ T10] ___sys_sendmsg+0xee/0x170 [ 3545.967208][ T10] __sys_sendmsg+0xcd/0x170 [ 3545.967208][ T10] do_syscall_64+0xc6/0x1e0 [ 3545.967208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3545.967208][ T10] [ 3545.969544][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3545.969544][ T10] netdev_get_by_index+0x5e/0x80 [ 3545.969544][ T10] fib6_nh_init+0x3d8/0x1580 [ 3545.969544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3545.969544][ T10] ip6_route_add+0x1c/0x140 [ 3545.969544][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3545.969544][ T10] addrconf_add_dev+0xe2/0x170 [ 3545.969544][ T10] inet6_addr_add+0x12f/0xa40 [ 3545.969544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3545.969544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3545.969544][ T10] netlink_rcv_skb+0x130/0x360 [ 3545.969544][ T10] netlink_unicast+0x449/0x710 [ 3545.969544][ T10] netlink_sendmsg+0x723/0xbe0 [ 3545.969544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3545.969544][ T10] ___sys_sendmsg+0xee/0x170 [ 3545.969544][ T10] __sys_sendmsg+0xcd/0x170 [ 3545.969544][ T10] do_syscall_64+0xc6/0x1e0 [ 3545.969544][ T10] [ 3545.971883][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3545.971883][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3545.971883][ T10] ipv6_find_idev+0x102/0x170 [ 3545.971883][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3545.971883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3545.971883][ T10] netlink_rcv_skb+0x130/0x360 [ 3545.971883][ T10] netlink_unicast+0x449/0x710 [ 3545.971883][ T10] netlink_sendmsg+0x723/0xbe0 [ 3545.971883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3545.971883][ T10] ___sys_sendmsg+0xee/0x170 [ 3545.971883][ T10] __sys_sendmsg+0xcd/0x170 [ 3545.971883][ T10] do_syscall_64+0xc6/0x1e0 [ 3545.971883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3545.971883][ T10] [ 3545.973611][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3545.973611][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3545.973611][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3545.973611][ T10] ipv6_find_idev+0x102/0x170 [ 3545.973611][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3545.973611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3545.973611][ T10] netlink_rcv_skb+0x130/0x360 [ 3545.973611][ T10] netlink_unicast+0x449/0x710 [ 3545.973611][ T10] netlink_sendmsg+0x723/0xbe0 [ 3545.973611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3545.973611][ T10] ___sys_sendmsg+0xee/0x170 [ 3545.973611][ T10] __sys_sendmsg+0xcd/0x170 [ 3545.973611][ T10] do_syscall_64+0xc6/0x1e0 [ 3545.973611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3545.973611][ T10] [ 3545.975876][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3545.976535][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3545.976535][ T10] netdev_get_by_index+0x5e/0x80 [ 3545.976535][ T10] fib6_nh_init+0x3d8/0x1580 [ 3545.976535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3545.976535][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3545.976535][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3545.976535][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3545.976535][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3545.976535][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3545.976535][ T10] addrconf_dad_begin+0x310/0x670 [ 3545.976535][ T10] addrconf_dad_work+0x10b/0xab0 [ 3545.976535][ T10] process_one_work+0x84d/0x18a0 [ 3545.976535][ T10] worker_thread+0x587/0xd30 [ 3545.976535][ T10] kthread+0x28a/0x350 [ 3545.976535][ T10] ret_from_fork+0x31/0x70 [ 3545.976535][ T10] ret_from_fork_asm+0x1a/0x30 [ 3545.976535][ T10] [ 3545.978457][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3545.978457][ T10] netdev_get_by_index+0x5e/0x80 [ 3545.978457][ T10] fib6_nh_init+0x3d8/0x1580 [ 3545.978457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3545.978457][ T10] ip6_route_add+0x1c/0x140 [ 3545.978457][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3545.978457][ T10] inet6_addr_add+0x4f8/0xa40 [ 3545.978457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3545.978457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3545.978457][ T10] netlink_rcv_skb+0x130/0x360 [ 3545.978457][ T10] netlink_unicast+0x449/0x710 [ 3545.978457][ T10] netlink_sendmsg+0x723/0xbe0 [ 3545.978457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3545.978457][ T10] ___sys_sendmsg+0xee/0x170 [ 3545.978457][ T10] __sys_sendmsg+0xcd/0x170 [ 3545.978457][ T10] do_syscall_64+0xc6/0x1e0 [ 3545.978457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3545.978457][ T10] [ 3545.980451][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3545.980451][ T10] netdev_get_by_index+0x5e/0x80 [ 3545.980451][ T10] fib6_nh_init+0x3d8/0x1580 [ 3545.980451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3545.980451][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3545.980451][ T10] ipv6_add_addr+0x411/0x2000 [ 3545.980451][ T10] inet6_addr_add+0x30e/0xa40 [ 3545.980451][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3545.980451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3545.980451][ T10] netlink_rcv_skb+0x130/0x360 [ 3545.980451][ T10] netlink_unicast+0x449/0x710 [ 3545.980451][ T10] netlink_sendmsg+0x723/0xbe0 [ 3545.980451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3545.980451][ T10] ___sys_sendmsg+0xee/0x170 [ 3545.980451][ T10] __sys_sendmsg+0xcd/0x170 [ 3545.980451][ T10] do_syscall_64+0xc6/0x1e0 [ 3545.980451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3545.980451][ T10] [ 3545.982465][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3545.982465][ T10] netdev_get_by_index+0x5e/0x80 [ 3545.982465][ T10] fib6_nh_init+0x3d8/0x1580 [ 3545.982465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3545.982465][ T10] ip6_route_add+0x1c/0x140 [ 3545.982465][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3545.982465][ T10] addrconf_add_dev+0xe2/0x170 [ 3545.982465][ T10] inet6_addr_add+0x12f/0xa40 [ 3545.982465][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3545.982465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3545.982465][ T10] netlink_rcv_skb+0x130/0x360 [ 3545.982465][ T10] netlink_unicast+0x449/0x710 [ 3545.982465][ T10] netlink_sendmsg+0x723/0xbe0 [ 3545.982465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3545.982465][ T10] ___sys_sendmsg+0xee/0x170 [ 3545.982465][ T10] __sys_sendmsg+0xcd/0x170 [ 3545.982465][ T10] do_syscall_64+0xc6/0x1e0 [ 3545.982465][ T10] [ 3545.984638][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3545.984638][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3545.984638][ T10] ipv6_find_idev+0x102/0x170 [ 3545.984638][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3545.984638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3545.984638][ T10] netlink_rcv_skb+0x130/0x360 [ 3545.984638][ T10] netlink_unicast+0x449/0x710 [ 3545.984638][ T10] netlink_sendmsg+0x723/0xbe0 [ 3545.984638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3545.984638][ T10] ___sys_sendmsg+0xee/0x170 [ 3545.984638][ T10] __sys_sendmsg+0xcd/0x170 [ 3545.984638][ T10] do_syscall_64+0xc6/0x1e0 [ 3545.984638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3545.984638][ T10] [ 3545.986301][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3545.986301][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3545.986301][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3545.986301][ T10] ipv6_find_idev+0x102/0x170 [ 3545.986301][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3545.986301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3545.986301][ T10] netlink_rcv_skb+0x130/0x360 [ 3545.986301][ T10] netlink_unicast+0x449/0x710 [ 3545.986301][ T10] netlink_sendmsg+0x723/0xbe0 [ 3545.986301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3545.986301][ T10] ___sys_sendmsg+0xee/0x170 [ 3545.986301][ T10] __sys_sendmsg+0xcd/0x170 [ 3545.986301][ T10] do_syscall_64+0xc6/0x1e0 [ 3545.986301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3545.986301][ T10] [ 3555.969210][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3555.969695][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3555.969695][ T1167] dst_init+0x84/0x4a0 [ 3555.969695][ T1167] dst_alloc+0x97/0x150 [ 3555.969695][ T1167] ip6_dst_alloc+0x23/0x90 [ 3555.969695][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3555.969695][ T1167] ip6_pol_route+0x56f/0x840 [ 3555.969695][ T1167] fib6_rule_lookup+0x334/0x630 [ 3555.969695][ T1167] ip6_route_output_flags+0x259/0x480 [ 3555.969695][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3555.969695][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3555.969695][ T1167] netlink_rcv_skb+0x130/0x360 [ 3555.969695][ T1167] netlink_unicast+0x449/0x710 [ 3555.969695][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3555.969695][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3555.969695][ T1167] ___sys_sendmsg+0xee/0x170 [ 3555.969695][ T1167] __sys_sendmsg+0xcd/0x170 [ 3555.969695][ T1167] do_syscall_64+0xc6/0x1e0 [ 3555.969695][ T1167] [ 3555.971953][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3555.971953][ T1167] netdev_get_by_index+0x5e/0x80 [ 3555.971953][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3555.971953][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3555.971953][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3555.971953][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3555.971953][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3555.971953][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3555.971953][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3555.971953][ T1167] addrconf_dad_begin+0x310/0x670 [ 3555.971953][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3555.971953][ T1167] process_one_work+0x84d/0x18a0 [ 3555.971953][ T1167] worker_thread+0x587/0xd30 [ 3555.971953][ T1167] kthread+0x28a/0x350 [ 3555.971953][ T1167] ret_from_fork+0x31/0x70 [ 3555.971953][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3555.971953][ T1167] [ 3555.974117][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3555.974117][ T1167] netdev_get_by_index+0x5e/0x80 [ 3555.974117][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3555.974117][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3555.974117][ T1167] ip6_route_add+0x1c/0x140 [ 3555.974117][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3555.974117][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3555.974117][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3555.974117][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3555.974117][ T1167] netlink_rcv_skb+0x130/0x360 [ 3555.974117][ T1167] netlink_unicast+0x449/0x710 [ 3555.974117][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3555.974117][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3555.974117][ T1167] ___sys_sendmsg+0xee/0x170 [ 3555.974117][ T1167] __sys_sendmsg+0xcd/0x170 [ 3555.974117][ T1167] do_syscall_64+0xc6/0x1e0 [ 3555.974117][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3555.974117][ T1167] [ 3555.976364][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3555.976364][ T1167] netdev_get_by_index+0x5e/0x80 [ 3555.976364][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3555.976364][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3555.976364][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3555.976364][ T1167] ipv6_add_addr+0x411/0x2000 [ 3555.976364][ T1167] inet6_addr_add+0x30e/0xa40 [ 3555.976364][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3555.976364][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3555.976364][ T1167] netlink_rcv_skb+0x130/0x360 [ 3555.976364][ T1167] netlink_unicast+0x449/0x710 [ 3555.976364][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3555.976364][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3555.976364][ T1167] ___sys_sendmsg+0xee/0x170 [ 3555.976364][ T1167] __sys_sendmsg+0xcd/0x170 [ 3555.976364][ T1167] do_syscall_64+0xc6/0x1e0 [ 3555.976364][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3555.976364][ T1167] [ 3555.978603][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3555.978603][ T1167] netdev_get_by_index+0x5e/0x80 [ 3555.978603][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3555.978603][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3555.978603][ T1167] ip6_route_add+0x1c/0x140 [ 3555.978603][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3555.978603][ T1167] addrconf_add_dev+0xe2/0x170 [ 3555.978603][ T1167] inet6_addr_add+0x12f/0xa40 [ 3555.978603][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3555.978603][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3555.978603][ T1167] netlink_rcv_skb+0x130/0x360 [ 3555.978603][ T1167] netlink_unicast+0x449/0x710 [ 3555.978603][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3555.978603][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3555.978603][ T1167] ___sys_sendmsg+0xee/0x170 [ 3555.978603][ T1167] __sys_sendmsg+0xcd/0x170 [ 3555.978603][ T1167] do_syscall_64+0xc6/0x1e0 [ 3555.978603][ T1167] [ 3555.980825][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3555.980825][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3555.980825][ T1167] ipv6_find_idev+0x102/0x170 [ 3555.980825][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3555.980825][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3555.980825][ T1167] netlink_rcv_skb+0x130/0x360 [ 3555.980825][ T1167] netlink_unicast+0x449/0x710 [ 3555.980825][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3555.980825][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3555.980825][ T1167] ___sys_sendmsg+0xee/0x170 [ 3555.980825][ T1167] __sys_sendmsg+0xcd/0x170 [ 3555.980825][ T1167] do_syscall_64+0xc6/0x1e0 [ 3555.980825][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3555.980825][ T1167] [ 3555.982557][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3555.982557][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3555.982557][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3555.982557][ T1167] ipv6_find_idev+0x102/0x170 [ 3555.982557][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3555.982557][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3555.982557][ T1167] netlink_rcv_skb+0x130/0x360 [ 3555.982557][ T1167] netlink_unicast+0x449/0x710 [ 3555.982557][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3555.982557][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3555.982557][ T1167] ___sys_sendmsg+0xee/0x170 [ 3555.982557][ T1167] __sys_sendmsg+0xcd/0x170 [ 3555.982557][ T1167] do_syscall_64+0xc6/0x1e0 [ 3555.982557][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3555.982557][ T1167] [ 3556.225112][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3556.225487][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3556.225487][ T10] netdev_get_by_index+0x5e/0x80 [ 3556.225487][ T10] fib6_nh_init+0x3d8/0x1580 [ 3556.225487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3556.225487][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3556.225487][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3556.225487][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3556.225487][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3556.225487][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3556.225487][ T10] addrconf_dad_begin+0x310/0x670 [ 3556.225487][ T10] addrconf_dad_work+0x10b/0xab0 [ 3556.225487][ T10] process_one_work+0x84d/0x18a0 [ 3556.225487][ T10] worker_thread+0x587/0xd30 [ 3556.225487][ T10] kthread+0x28a/0x350 [ 3556.225487][ T10] ret_from_fork+0x31/0x70 [ 3556.225487][ T10] ret_from_fork_asm+0x1a/0x30 [ 3556.225487][ T10] [ 3556.227493][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3556.227493][ T10] netdev_get_by_index+0x5e/0x80 [ 3556.227493][ T10] fib6_nh_init+0x3d8/0x1580 [ 3556.227493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3556.227493][ T10] ip6_route_add+0x1c/0x140 [ 3556.227493][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3556.227493][ T10] inet6_addr_add+0x4f8/0xa40 [ 3556.227493][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3556.227493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.227493][ T10] netlink_rcv_skb+0x130/0x360 [ 3556.227493][ T10] netlink_unicast+0x449/0x710 [ 3556.227493][ T10] netlink_sendmsg+0x723/0xbe0 [ 3556.227493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3556.227493][ T10] ___sys_sendmsg+0xee/0x170 [ 3556.227493][ T10] __sys_sendmsg+0xcd/0x170 [ 3556.227493][ T10] do_syscall_64+0xc6/0x1e0 [ 3556.227493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3556.227493][ T10] [ 3556.229514][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3556.229514][ T10] netdev_get_by_index+0x5e/0x80 [ 3556.229514][ T10] fib6_nh_init+0x3d8/0x1580 [ 3556.229514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3556.229514][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3556.229514][ T10] ipv6_add_addr+0x411/0x2000 [ 3556.229514][ T10] inet6_addr_add+0x30e/0xa40 [ 3556.229514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3556.229514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.229514][ T10] netlink_rcv_skb+0x130/0x360 [ 3556.229514][ T10] netlink_unicast+0x449/0x710 [ 3556.229514][ T10] netlink_sendmsg+0x723/0xbe0 [ 3556.229514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3556.229514][ T10] ___sys_sendmsg+0xee/0x170 [ 3556.229514][ T10] __sys_sendmsg+0xcd/0x170 [ 3556.229514][ T10] do_syscall_64+0xc6/0x1e0 [ 3556.229514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3556.229514][ T10] [ 3556.231558][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3556.231558][ T10] netdev_get_by_index+0x5e/0x80 [ 3556.231558][ T10] fib6_nh_init+0x3d8/0x1580 [ 3556.231558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3556.231558][ T10] ip6_route_add+0x1c/0x140 [ 3556.231558][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3556.231558][ T10] addrconf_add_dev+0xe2/0x170 [ 3556.231558][ T10] inet6_addr_add+0x12f/0xa40 [ 3556.231558][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3556.231558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.231558][ T10] netlink_rcv_skb+0x130/0x360 [ 3556.231558][ T10] netlink_unicast+0x449/0x710 [ 3556.231558][ T10] netlink_sendmsg+0x723/0xbe0 [ 3556.231558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3556.231558][ T10] ___sys_sendmsg+0xee/0x170 [ 3556.231558][ T10] __sys_sendmsg+0xcd/0x170 [ 3556.231558][ T10] do_syscall_64+0xc6/0x1e0 [ 3556.231558][ T10] [ 3556.233563][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3556.233563][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3556.233563][ T10] ipv6_find_idev+0x102/0x170 [ 3556.233563][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3556.233563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.233563][ T10] netlink_rcv_skb+0x130/0x360 [ 3556.233563][ T10] netlink_unicast+0x449/0x710 [ 3556.233563][ T10] netlink_sendmsg+0x723/0xbe0 [ 3556.233563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3556.233563][ T10] ___sys_sendmsg+0xee/0x170 [ 3556.233563][ T10] __sys_sendmsg+0xcd/0x170 [ 3556.233563][ T10] do_syscall_64+0xc6/0x1e0 [ 3556.233563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3556.233563][ T10] [ 3556.235114][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3556.235114][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3556.235114][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3556.235114][ T10] ipv6_find_idev+0x102/0x170 [ 3556.235114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3556.235114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.235114][ T10] netlink_rcv_skb+0x130/0x360 [ 3556.235114][ T10] netlink_unicast+0x449/0x710 [ 3556.235114][ T10] netlink_sendmsg+0x723/0xbe0 [ 3556.235114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3556.235114][ T10] ___sys_sendmsg+0xee/0x170 [ 3556.235114][ T10] __sys_sendmsg+0xcd/0x170 [ 3556.235114][ T10] do_syscall_64+0xc6/0x1e0 [ 3556.235114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3556.235114][ T10] [ 3556.236831][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3556.237090][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3556.237090][ T10] netdev_get_by_index+0x5e/0x80 [ 3556.237090][ T10] fib6_nh_init+0x3d8/0x1580 [ 3556.237090][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3556.237090][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3556.237090][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3556.237090][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3556.237090][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3556.237090][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3556.237090][ T10] addrconf_dad_begin+0x310/0x670 [ 3556.237090][ T10] addrconf_dad_work+0x10b/0xab0 [ 3556.237090][ T10] process_one_work+0x84d/0x18a0 [ 3556.237090][ T10] worker_thread+0x587/0xd30 [ 3556.237090][ T10] kthread+0x28a/0x350 [ 3556.237090][ T10] ret_from_fork+0x31/0x70 [ 3556.237090][ T10] ret_from_fork_asm+0x1a/0x30 [ 3556.237090][ T10] [ 3556.239034][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3556.239034][ T10] netdev_get_by_index+0x5e/0x80 [ 3556.239034][ T10] fib6_nh_init+0x3d8/0x1580 [ 3556.239034][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3556.239034][ T10] ip6_route_add+0x1c/0x140 [ 3556.239034][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3556.239034][ T10] inet6_addr_add+0x4f8/0xa40 [ 3556.239034][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3556.239034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.239034][ T10] netlink_rcv_skb+0x130/0x360 [ 3556.239034][ T10] netlink_unicast+0x449/0x710 [ 3556.239034][ T10] netlink_sendmsg+0x723/0xbe0 [ 3556.239034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3556.239034][ T10] ___sys_sendmsg+0xee/0x170 [ 3556.239034][ T10] __sys_sendmsg+0xcd/0x170 [ 3556.239034][ T10] do_syscall_64+0xc6/0x1e0 [ 3556.239034][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3556.239034][ T10] [ 3556.241062][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3556.241062][ T10] netdev_get_by_index+0x5e/0x80 [ 3556.241062][ T10] fib6_nh_init+0x3d8/0x1580 [ 3556.241062][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3556.241062][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3556.241062][ T10] ipv6_add_addr+0x411/0x2000 [ 3556.241062][ T10] inet6_addr_add+0x30e/0xa40 [ 3556.241062][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3556.241062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.241062][ T10] netlink_rcv_skb+0x130/0x360 [ 3556.241062][ T10] netlink_unicast+0x449/0x710 [ 3556.241062][ T10] netlink_sendmsg+0x723/0xbe0 [ 3556.241062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3556.241062][ T10] ___sys_sendmsg+0xee/0x170 [ 3556.241062][ T10] __sys_sendmsg+0xcd/0x170 [ 3556.241062][ T10] do_syscall_64+0xc6/0x1e0 [ 3556.241062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3556.241062][ T10] [ 3556.243094][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3556.243094][ T10] netdev_get_by_index+0x5e/0x80 [ 3556.243094][ T10] fib6_nh_init+0x3d8/0x1580 [ 3556.243094][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3556.243094][ T10] ip6_route_add+0x1c/0x140 [ 3556.243094][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3556.243094][ T10] addrconf_add_dev+0xe2/0x170 [ 3556.243094][ T10] inet6_addr_add+0x12f/0xa40 [ 3556.243094][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3556.243094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.243094][ T10] netlink_rcv_skb+0x130/0x360 [ 3556.243094][ T10] netlink_unicast+0x449/0x710 [ 3556.243094][ T10] netlink_sendmsg+0x723/0xbe0 [ 3556.243094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3556.243094][ T10] ___sys_sendmsg+0xee/0x170 [ 3556.243094][ T10] __sys_sendmsg+0xcd/0x170 [ 3556.243094][ T10] do_syscall_64+0xc6/0x1e0 [ 3556.243094][ T10] [ 3556.245088][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3556.245088][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3556.245088][ T10] ipv6_find_idev+0x102/0x170 [ 3556.245088][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3556.245088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.245088][ T10] netlink_rcv_skb+0x130/0x360 [ 3556.245088][ T10] netlink_unicast+0x449/0x710 [ 3556.245088][ T10] netlink_sendmsg+0x723/0xbe0 [ 3556.245088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3556.245088][ T10] ___sys_sendmsg+0xee/0x170 [ 3556.245088][ T10] __sys_sendmsg+0xcd/0x170 [ 3556.245088][ T10] do_syscall_64+0xc6/0x1e0 [ 3556.245088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3556.245088][ T10] [ 3556.246636][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3556.246636][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3556.246636][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3556.246636][ T10] ipv6_find_idev+0x102/0x170 [ 3556.246636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3556.246636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.246636][ T10] netlink_rcv_skb+0x130/0x360 [ 3556.246636][ T10] netlink_unicast+0x449/0x710 [ 3556.246636][ T10] netlink_sendmsg+0x723/0xbe0 [ 3556.246636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3556.246636][ T10] ___sys_sendmsg+0xee/0x170 [ 3556.246636][ T10] __sys_sendmsg+0xcd/0x170 [ 3556.246636][ T10] do_syscall_64+0xc6/0x1e0 [ 3556.246636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3556.246636][ T10] [ 3556.248352][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3556.248594][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3556.248594][ T10] netdev_get_by_index+0x5e/0x80 [ 3556.248594][ T10] fib6_nh_init+0x3d8/0x1580 [ 3556.248594][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3556.248594][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3556.248594][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3556.248594][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3556.248594][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3556.248594][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3556.248594][ T10] addrconf_dad_begin+0x310/0x670 [ 3556.248594][ T10] addrconf_dad_work+0x10b/0xab0 [ 3556.248594][ T10] process_one_work+0x84d/0x18a0 [ 3556.248594][ T10] worker_thread+0x587/0xd30 [ 3556.248594][ T10] kthread+0x28a/0x350 [ 3556.248594][ T10] ret_from_fork+0x31/0x70 [ 3556.248594][ T10] ret_from_fork_asm+0x1a/0x30 [ 3556.248594][ T10] [ 3556.250526][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3556.250526][ T10] netdev_get_by_index+0x5e/0x80 [ 3556.250526][ T10] fib6_nh_init+0x3d8/0x1580 [ 3556.250526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3556.250526][ T10] ip6_route_add+0x1c/0x140 [ 3556.250526][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3556.250526][ T10] inet6_addr_add+0x4f8/0xa40 [ 3556.250526][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3556.250526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.250526][ T10] netlink_rcv_skb+0x130/0x360 [ 3556.250526][ T10] netlink_unicast+0x449/0x710 [ 3556.250526][ T10] netlink_sendmsg+0x723/0xbe0 [ 3556.250526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3556.250526][ T10] ___sys_sendmsg+0xee/0x170 [ 3556.250526][ T10] __sys_sendmsg+0xcd/0x170 [ 3556.250526][ T10] do_syscall_64+0xc6/0x1e0 [ 3556.250526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3556.250526][ T10] [ 3556.252745][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3556.252745][ T10] netdev_get_by_index+0x5e/0x80 [ 3556.252745][ T10] fib6_nh_init+0x3d8/0x1580 [ 3556.252745][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3556.252745][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3556.252745][ T10] ipv6_add_addr+0x411/0x2000 [ 3556.252745][ T10] inet6_addr_add+0x30e/0xa40 [ 3556.252745][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3556.252745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.252745][ T10] netlink_rcv_skb+0x130/0x360 [ 3556.252745][ T10] netlink_unicast+0x449/0x710 [ 3556.252745][ T10] netlink_sendmsg+0x723/0xbe0 [ 3556.252745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3556.252745][ T10] ___sys_sendmsg+0xee/0x170 [ 3556.252745][ T10] __sys_sendmsg+0xcd/0x170 [ 3556.252745][ T10] do_syscall_64+0xc6/0x1e0 [ 3556.252745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3556.252745][ T10] [ 3556.254968][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3556.254968][ T10] netdev_get_by_index+0x5e/0x80 [ 3556.254968][ T10] fib6_nh_init+0x3d8/0x1580 [ 3556.254968][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3556.254968][ T10] ip6_route_add+0x1c/0x140 [ 3556.254968][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3556.254968][ T10] addrconf_add_dev+0xe2/0x170 [ 3556.254968][ T10] inet6_addr_add+0x12f/0xa40 [ 3556.254968][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3556.254968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.254968][ T10] netlink_rcv_skb+0x130/0x360 [ 3556.254968][ T10] netlink_unicast+0x449/0x710 [ 3556.254968][ T10] netlink_sendmsg+0x723/0xbe0 [ 3556.254968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3556.254968][ T10] ___sys_sendmsg+0xee/0x170 [ 3556.254968][ T10] __sys_sendmsg+0xcd/0x170 [ 3556.254968][ T10] do_syscall_64+0xc6/0x1e0 [ 3556.254968][ T10] [ 3556.257228][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3556.257228][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3556.257228][ T10] ipv6_find_idev+0x102/0x170 [ 3556.257228][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3556.257228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.257228][ T10] netlink_rcv_skb+0x130/0x360 [ 3556.257228][ T10] netlink_unicast+0x449/0x710 [ 3556.257228][ T10] netlink_sendmsg+0x723/0xbe0 [ 3556.257228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3556.257228][ T10] ___sys_sendmsg+0xee/0x170 [ 3556.257228][ T10] __sys_sendmsg+0xcd/0x170 [ 3556.257228][ T10] do_syscall_64+0xc6/0x1e0 [ 3556.257228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3556.257228][ T10] [ 3556.258983][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3556.258983][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3556.258983][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3556.258983][ T10] ipv6_find_idev+0x102/0x170 [ 3556.258983][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3556.258983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.258983][ T10] netlink_rcv_skb+0x130/0x360 [ 3556.258983][ T10] netlink_unicast+0x449/0x710 [ 3556.258983][ T10] netlink_sendmsg+0x723/0xbe0 [ 3556.258983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3556.258983][ T10] ___sys_sendmsg+0xee/0x170 [ 3556.258983][ T10] __sys_sendmsg+0xcd/0x170 [ 3556.258983][ T10] do_syscall_64+0xc6/0x1e0 [ 3556.258983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3556.258983][ T10] [ 3556.260880][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3556.261571][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3556.261571][ T10] netdev_get_by_index+0x5e/0x80 [ 3556.261571][ T10] fib6_nh_init+0x3d8/0x1580 [ 3556.261571][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3556.261571][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3556.261571][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3556.261571][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3556.261571][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3556.261571][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3556.261571][ T10] addrconf_dad_begin+0x310/0x670 [ 3556.261571][ T10] addrconf_dad_work+0x10b/0xab0 [ 3556.261571][ T10] process_one_work+0x84d/0x18a0 [ 3556.261571][ T10] worker_thread+0x587/0xd30 [ 3556.261571][ T10] kthread+0x28a/0x350 [ 3556.261571][ T10] ret_from_fork+0x31/0x70 [ 3556.261571][ T10] ret_from_fork_asm+0x1a/0x30 [ 3556.261571][ T10] [ 3556.263506][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3556.263506][ T10] netdev_get_by_index+0x5e/0x80 [ 3556.263506][ T10] fib6_nh_init+0x3d8/0x1580 [ 3556.263506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3556.263506][ T10] ip6_route_add+0x1c/0x140 [ 3556.263506][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3556.263506][ T10] inet6_addr_add+0x4f8/0xa40 [ 3556.263506][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3556.263506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.263506][ T10] netlink_rcv_skb+0x130/0x360 [ 3556.263506][ T10] netlink_unicast+0x449/0x710 [ 3556.263506][ T10] netlink_sendmsg+0x723/0xbe0 [ 3556.263506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3556.263506][ T10] ___sys_sendmsg+0xee/0x170 [ 3556.263506][ T10] __sys_sendmsg+0xcd/0x170 [ 3556.263506][ T10] do_syscall_64+0xc6/0x1e0 [ 3556.263506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3556.263506][ T10] [ 3556.265668][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3556.265668][ T10] netdev_get_by_index+0x5e/0x80 [ 3556.265668][ T10] fib6_nh_init+0x3d8/0x1580 [ 3556.265668][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3556.265668][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3556.265668][ T10] ipv6_add_addr+0x411/0x2000 [ 3556.265668][ T10] inet6_addr_add+0x30e/0xa40 [ 3556.265668][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3556.265668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.265668][ T10] netlink_rcv_skb+0x130/0x360 [ 3556.265668][ T10] netlink_unicast+0x449/0x710 [ 3556.265668][ T10] netlink_sendmsg+0x723/0xbe0 [ 3556.265668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3556.265668][ T10] ___sys_sendmsg+0xee/0x170 [ 3556.265668][ T10] __sys_sendmsg+0xcd/0x170 [ 3556.265668][ T10] do_syscall_64+0xc6/0x1e0 [ 3556.265668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3556.265668][ T10] [ 3556.268002][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3556.268002][ T10] netdev_get_by_index+0x5e/0x80 [ 3556.268002][ T10] fib6_nh_init+0x3d8/0x1580 [ 3556.268002][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3556.268002][ T10] ip6_route_add+0x1c/0x140 [ 3556.268002][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3556.268002][ T10] addrconf_add_dev+0xe2/0x170 [ 3556.268002][ T10] inet6_addr_add+0x12f/0xa40 [ 3556.268002][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3556.268002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.268002][ T10] netlink_rcv_skb+0x130/0x360 [ 3556.268002][ T10] netlink_unicast+0x449/0x710 [ 3556.268002][ T10] netlink_sendmsg+0x723/0xbe0 [ 3556.268002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3556.268002][ T10] ___sys_sendmsg+0xee/0x170 [ 3556.268002][ T10] __sys_sendmsg+0xcd/0x170 [ 3556.268002][ T10] do_syscall_64+0xc6/0x1e0 [ 3556.268002][ T10] [ 3556.270240][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3556.270240][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3556.270240][ T10] ipv6_find_idev+0x102/0x170 [ 3556.270240][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3556.270240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.270240][ T10] netlink_rcv_skb+0x130/0x360 [ 3556.270240][ T10] netlink_unicast+0x449/0x710 [ 3556.270240][ T10] netlink_sendmsg+0x723/0xbe0 [ 3556.270240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3556.270240][ T10] ___sys_sendmsg+0xee/0x170 [ 3556.270240][ T10] __sys_sendmsg+0xcd/0x170 [ 3556.270240][ T10] do_syscall_64+0xc6/0x1e0 [ 3556.270240][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3556.270240][ T10] [ 3556.272005][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3556.272005][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3556.272005][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3556.272005][ T10] ipv6_find_idev+0x102/0x170 [ 3556.272005][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3556.272005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.272005][ T10] netlink_rcv_skb+0x130/0x360 [ 3556.272005][ T10] netlink_unicast+0x449/0x710 [ 3556.272005][ T10] netlink_sendmsg+0x723/0xbe0 [ 3556.272005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3556.272005][ T10] ___sys_sendmsg+0xee/0x170 [ 3556.272005][ T10] __sys_sendmsg+0xcd/0x170 [ 3556.272005][ T10] do_syscall_64+0xc6/0x1e0 [ 3556.272005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3556.272005][ T10] [ 3566.001131][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3566.001581][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3566.001581][ T1167] dst_init+0x84/0x4a0 [ 3566.001581][ T1167] dst_alloc+0x97/0x150 [ 3566.001581][ T1167] ip6_dst_alloc+0x23/0x90 [ 3566.001581][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3566.001581][ T1167] ip6_pol_route+0x56f/0x840 [ 3566.001581][ T1167] fib6_rule_lookup+0x334/0x630 [ 3566.001581][ T1167] ip6_route_output_flags+0x259/0x480 [ 3566.001581][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3566.001581][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3566.001581][ T1167] netlink_rcv_skb+0x130/0x360 [ 3566.001581][ T1167] netlink_unicast+0x449/0x710 [ 3566.001581][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3566.001581][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3566.001581][ T1167] ___sys_sendmsg+0xee/0x170 [ 3566.001581][ T1167] __sys_sendmsg+0xcd/0x170 [ 3566.001581][ T1167] do_syscall_64+0xc6/0x1e0 [ 3566.001581][ T1167] [ 3566.003925][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3566.003925][ T1167] netdev_get_by_index+0x5e/0x80 [ 3566.003925][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3566.003925][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3566.003925][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3566.003925][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3566.003925][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3566.003925][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3566.003925][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3566.003925][ T1167] addrconf_dad_begin+0x310/0x670 [ 3566.003925][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3566.003925][ T1167] process_one_work+0x84d/0x18a0 [ 3566.003925][ T1167] worker_thread+0x587/0xd30 [ 3566.003925][ T1167] kthread+0x28a/0x350 [ 3566.003925][ T1167] ret_from_fork+0x31/0x70 [ 3566.003925][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3566.003925][ T1167] [ 3566.006103][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3566.006103][ T1167] netdev_get_by_index+0x5e/0x80 [ 3566.006103][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3566.006103][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3566.006103][ T1167] ip6_route_add+0x1c/0x140 [ 3566.006103][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3566.006103][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3566.006103][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3566.006103][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.006103][ T1167] netlink_rcv_skb+0x130/0x360 [ 3566.006103][ T1167] netlink_unicast+0x449/0x710 [ 3566.006103][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3566.006103][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3566.006103][ T1167] ___sys_sendmsg+0xee/0x170 [ 3566.006103][ T1167] __sys_sendmsg+0xcd/0x170 [ 3566.006103][ T1167] do_syscall_64+0xc6/0x1e0 [ 3566.006103][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.006103][ T1167] [ 3566.008363][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3566.008363][ T1167] netdev_get_by_index+0x5e/0x80 [ 3566.008363][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3566.008363][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3566.008363][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3566.008363][ T1167] ipv6_add_addr+0x411/0x2000 [ 3566.008363][ T1167] inet6_addr_add+0x30e/0xa40 [ 3566.008363][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3566.008363][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.008363][ T1167] netlink_rcv_skb+0x130/0x360 [ 3566.008363][ T1167] netlink_unicast+0x449/0x710 [ 3566.008363][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3566.008363][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3566.008363][ T1167] ___sys_sendmsg+0xee/0x170 [ 3566.008363][ T1167] __sys_sendmsg+0xcd/0x170 [ 3566.008363][ T1167] do_syscall_64+0xc6/0x1e0 [ 3566.008363][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.008363][ T1167] [ 3566.010616][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3566.010616][ T1167] netdev_get_by_index+0x5e/0x80 [ 3566.010616][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3566.010616][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3566.010616][ T1167] ip6_route_add+0x1c/0x140 [ 3566.010616][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3566.010616][ T1167] addrconf_add_dev+0xe2/0x170 [ 3566.010616][ T1167] inet6_addr_add+0x12f/0xa40 [ 3566.010616][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3566.010616][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.010616][ T1167] netlink_rcv_skb+0x130/0x360 [ 3566.010616][ T1167] netlink_unicast+0x449/0x710 [ 3566.010616][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3566.010616][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3566.010616][ T1167] ___sys_sendmsg+0xee/0x170 [ 3566.010616][ T1167] __sys_sendmsg+0xcd/0x170 [ 3566.010616][ T1167] do_syscall_64+0xc6/0x1e0 [ 3566.010616][ T1167] [ 3566.012832][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3566.012832][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3566.012832][ T1167] ipv6_find_idev+0x102/0x170 [ 3566.012832][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3566.012832][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.012832][ T1167] netlink_rcv_skb+0x130/0x360 [ 3566.012832][ T1167] netlink_unicast+0x449/0x710 [ 3566.012832][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3566.012832][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3566.012832][ T1167] ___sys_sendmsg+0xee/0x170 [ 3566.012832][ T1167] __sys_sendmsg+0xcd/0x170 [ 3566.012832][ T1167] do_syscall_64+0xc6/0x1e0 [ 3566.012832][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.012832][ T1167] [ 3566.014572][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3566.014572][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3566.014572][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3566.014572][ T1167] ipv6_find_idev+0x102/0x170 [ 3566.014572][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3566.014572][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.014572][ T1167] netlink_rcv_skb+0x130/0x360 [ 3566.014572][ T1167] netlink_unicast+0x449/0x710 [ 3566.014572][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3566.014572][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3566.014572][ T1167] ___sys_sendmsg+0xee/0x170 [ 3566.014572][ T1167] __sys_sendmsg+0xcd/0x170 [ 3566.014572][ T1167] do_syscall_64+0xc6/0x1e0 [ 3566.014572][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.014572][ T1167] [ 3566.513144][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3566.513583][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3566.513583][ T10] netdev_get_by_index+0x5e/0x80 [ 3566.513583][ T10] fib6_nh_init+0x3d8/0x1580 [ 3566.513583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3566.513583][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3566.513583][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3566.513583][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3566.513583][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3566.513583][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3566.513583][ T10] addrconf_dad_begin+0x310/0x670 [ 3566.513583][ T10] addrconf_dad_work+0x10b/0xab0 [ 3566.513583][ T10] process_one_work+0x84d/0x18a0 [ 3566.513583][ T10] worker_thread+0x587/0xd30 [ 3566.513583][ T10] kthread+0x28a/0x350 [ 3566.513583][ T10] ret_from_fork+0x31/0x70 [ 3566.513583][ T10] ret_from_fork_asm+0x1a/0x30 [ 3566.513583][ T10] [ 3566.515533][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3566.515533][ T10] netdev_get_by_index+0x5e/0x80 [ 3566.515533][ T10] fib6_nh_init+0x3d8/0x1580 [ 3566.515533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3566.515533][ T10] ip6_route_add+0x1c/0x140 [ 3566.515533][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3566.515533][ T10] inet6_addr_add+0x4f8/0xa40 [ 3566.515533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3566.515533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.515533][ T10] netlink_rcv_skb+0x130/0x360 [ 3566.515533][ T10] netlink_unicast+0x449/0x710 [ 3566.515533][ T10] netlink_sendmsg+0x723/0xbe0 [ 3566.515533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3566.515533][ T10] ___sys_sendmsg+0xee/0x170 [ 3566.515533][ T10] __sys_sendmsg+0xcd/0x170 [ 3566.515533][ T10] do_syscall_64+0xc6/0x1e0 [ 3566.515533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.515533][ T10] [ 3566.517544][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3566.517544][ T10] netdev_get_by_index+0x5e/0x80 [ 3566.517544][ T10] fib6_nh_init+0x3d8/0x1580 [ 3566.517544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3566.517544][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3566.517544][ T10] ipv6_add_addr+0x411/0x2000 [ 3566.517544][ T10] inet6_addr_add+0x30e/0xa40 [ 3566.517544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3566.517544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.517544][ T10] netlink_rcv_skb+0x130/0x360 [ 3566.517544][ T10] netlink_unicast+0x449/0x710 [ 3566.517544][ T10] netlink_sendmsg+0x723/0xbe0 [ 3566.517544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3566.517544][ T10] ___sys_sendmsg+0xee/0x170 [ 3566.517544][ T10] __sys_sendmsg+0xcd/0x170 [ 3566.517544][ T10] do_syscall_64+0xc6/0x1e0 [ 3566.517544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.517544][ T10] [ 3566.519538][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3566.519538][ T10] netdev_get_by_index+0x5e/0x80 [ 3566.519538][ T10] fib6_nh_init+0x3d8/0x1580 [ 3566.519538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3566.519538][ T10] ip6_route_add+0x1c/0x140 [ 3566.519538][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3566.519538][ T10] addrconf_add_dev+0xe2/0x170 [ 3566.519538][ T10] inet6_addr_add+0x12f/0xa40 [ 3566.519538][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3566.519538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.519538][ T10] netlink_rcv_skb+0x130/0x360 [ 3566.519538][ T10] netlink_unicast+0x449/0x710 [ 3566.519538][ T10] netlink_sendmsg+0x723/0xbe0 [ 3566.519538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3566.519538][ T10] ___sys_sendmsg+0xee/0x170 [ 3566.519538][ T10] __sys_sendmsg+0xcd/0x170 [ 3566.519538][ T10] do_syscall_64+0xc6/0x1e0 [ 3566.519538][ T10] [ 3566.521519][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3566.521519][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3566.521519][ T10] ipv6_find_idev+0x102/0x170 [ 3566.521519][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3566.521519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.521519][ T10] netlink_rcv_skb+0x130/0x360 [ 3566.521519][ T10] netlink_unicast+0x449/0x710 [ 3566.521519][ T10] netlink_sendmsg+0x723/0xbe0 [ 3566.521519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3566.521519][ T10] ___sys_sendmsg+0xee/0x170 [ 3566.521519][ T10] __sys_sendmsg+0xcd/0x170 [ 3566.521519][ T10] do_syscall_64+0xc6/0x1e0 [ 3566.521519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.521519][ T10] [ 3566.523057][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3566.523057][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3566.523057][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3566.523057][ T10] ipv6_find_idev+0x102/0x170 [ 3566.523057][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3566.523057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.523057][ T10] netlink_rcv_skb+0x130/0x360 [ 3566.523057][ T10] netlink_unicast+0x449/0x710 [ 3566.523057][ T10] netlink_sendmsg+0x723/0xbe0 [ 3566.523057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3566.523057][ T10] ___sys_sendmsg+0xee/0x170 [ 3566.523057][ T10] __sys_sendmsg+0xcd/0x170 [ 3566.523057][ T10] do_syscall_64+0xc6/0x1e0 [ 3566.523057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.523057][ T10] [ 3566.524746][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3566.524995][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3566.524995][ T10] netdev_get_by_index+0x5e/0x80 [ 3566.524995][ T10] fib6_nh_init+0x3d8/0x1580 [ 3566.524995][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3566.524995][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3566.524995][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3566.524995][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3566.524995][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3566.524995][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3566.524995][ T10] addrconf_dad_begin+0x310/0x670 [ 3566.524995][ T10] addrconf_dad_work+0x10b/0xab0 [ 3566.524995][ T10] process_one_work+0x84d/0x18a0 [ 3566.524995][ T10] worker_thread+0x587/0xd30 [ 3566.524995][ T10] kthread+0x28a/0x350 [ 3566.524995][ T10] ret_from_fork+0x31/0x70 [ 3566.524995][ T10] ret_from_fork_asm+0x1a/0x30 [ 3566.524995][ T10] [ 3566.526916][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3566.526916][ T10] netdev_get_by_index+0x5e/0x80 [ 3566.526916][ T10] fib6_nh_init+0x3d8/0x1580 [ 3566.526916][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3566.526916][ T10] ip6_route_add+0x1c/0x140 [ 3566.526916][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3566.526916][ T10] inet6_addr_add+0x4f8/0xa40 [ 3566.526916][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3566.526916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.526916][ T10] netlink_rcv_skb+0x130/0x360 [ 3566.526916][ T10] netlink_unicast+0x449/0x710 [ 3566.526916][ T10] netlink_sendmsg+0x723/0xbe0 [ 3566.526916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3566.526916][ T10] ___sys_sendmsg+0xee/0x170 [ 3566.526916][ T10] __sys_sendmsg+0xcd/0x170 [ 3566.526916][ T10] do_syscall_64+0xc6/0x1e0 [ 3566.526916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.526916][ T10] [ 3566.528910][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3566.528910][ T10] netdev_get_by_index+0x5e/0x80 [ 3566.528910][ T10] fib6_nh_init+0x3d8/0x1580 [ 3566.528910][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3566.528910][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3566.528910][ T10] ipv6_add_addr+0x411/0x2000 [ 3566.528910][ T10] inet6_addr_add+0x30e/0xa40 [ 3566.528910][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3566.528910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.528910][ T10] netlink_rcv_skb+0x130/0x360 [ 3566.528910][ T10] netlink_unicast+0x449/0x710 [ 3566.528910][ T10] netlink_sendmsg+0x723/0xbe0 [ 3566.528910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3566.528910][ T10] ___sys_sendmsg+0xee/0x170 [ 3566.528910][ T10] __sys_sendmsg+0xcd/0x170 [ 3566.528910][ T10] do_syscall_64+0xc6/0x1e0 [ 3566.528910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.528910][ T10] [ 3566.530919][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3566.530919][ T10] netdev_get_by_index+0x5e/0x80 [ 3566.530919][ T10] fib6_nh_init+0x3d8/0x1580 [ 3566.530919][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3566.530919][ T10] ip6_route_add+0x1c/0x140 [ 3566.530919][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3566.530919][ T10] addrconf_add_dev+0xe2/0x170 [ 3566.530919][ T10] inet6_addr_add+0x12f/0xa40 [ 3566.530919][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3566.530919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.530919][ T10] netlink_rcv_skb+0x130/0x360 [ 3566.530919][ T10] netlink_unicast+0x449/0x710 [ 3566.530919][ T10] netlink_sendmsg+0x723/0xbe0 [ 3566.530919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3566.530919][ T10] ___sys_sendmsg+0xee/0x170 [ 3566.530919][ T10] __sys_sendmsg+0xcd/0x170 [ 3566.530919][ T10] do_syscall_64+0xc6/0x1e0 [ 3566.530919][ T10] [ 3566.532894][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3566.532894][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3566.532894][ T10] ipv6_find_idev+0x102/0x170 [ 3566.532894][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3566.532894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.532894][ T10] netlink_rcv_skb+0x130/0x360 [ 3566.532894][ T10] netlink_unicast+0x449/0x710 [ 3566.532894][ T10] netlink_sendmsg+0x723/0xbe0 [ 3566.532894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3566.532894][ T10] ___sys_sendmsg+0xee/0x170 [ 3566.532894][ T10] __sys_sendmsg+0xcd/0x170 [ 3566.532894][ T10] do_syscall_64+0xc6/0x1e0 [ 3566.532894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.532894][ T10] [ 3566.534435][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3566.534435][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3566.534435][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3566.534435][ T10] ipv6_find_idev+0x102/0x170 [ 3566.534435][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3566.534435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.534435][ T10] netlink_rcv_skb+0x130/0x360 [ 3566.534435][ T10] netlink_unicast+0x449/0x710 [ 3566.534435][ T10] netlink_sendmsg+0x723/0xbe0 [ 3566.534435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3566.534435][ T10] ___sys_sendmsg+0xee/0x170 [ 3566.534435][ T10] __sys_sendmsg+0xcd/0x170 [ 3566.534435][ T10] do_syscall_64+0xc6/0x1e0 [ 3566.534435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.534435][ T10] [ 3566.536135][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3566.536369][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3566.536369][ T10] netdev_get_by_index+0x5e/0x80 [ 3566.536369][ T10] fib6_nh_init+0x3d8/0x1580 [ 3566.536369][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3566.536369][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3566.536369][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3566.536369][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3566.536369][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3566.536369][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3566.536369][ T10] addrconf_dad_begin+0x310/0x670 [ 3566.536369][ T10] addrconf_dad_work+0x10b/0xab0 [ 3566.536369][ T10] process_one_work+0x84d/0x18a0 [ 3566.536369][ T10] worker_thread+0x587/0xd30 [ 3566.536369][ T10] kthread+0x28a/0x350 [ 3566.536369][ T10] ret_from_fork+0x31/0x70 [ 3566.536369][ T10] ret_from_fork_asm+0x1a/0x30 [ 3566.536369][ T10] [ 3566.538277][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3566.538277][ T10] netdev_get_by_index+0x5e/0x80 [ 3566.538277][ T10] fib6_nh_init+0x3d8/0x1580 [ 3566.538277][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3566.538277][ T10] ip6_route_add+0x1c/0x140 [ 3566.538277][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3566.538277][ T10] inet6_addr_add+0x4f8/0xa40 [ 3566.538277][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3566.538277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.538277][ T10] netlink_rcv_skb+0x130/0x360 [ 3566.538277][ T10] netlink_unicast+0x449/0x710 [ 3566.538277][ T10] netlink_sendmsg+0x723/0xbe0 [ 3566.538277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3566.538277][ T10] ___sys_sendmsg+0xee/0x170 [ 3566.538277][ T10] __sys_sendmsg+0xcd/0x170 [ 3566.538277][ T10] do_syscall_64+0xc6/0x1e0 [ 3566.538277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.538277][ T10] [ 3566.540488][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3566.540488][ T10] netdev_get_by_index+0x5e/0x80 [ 3566.540488][ T10] fib6_nh_init+0x3d8/0x1580 [ 3566.540488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3566.540488][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3566.540488][ T10] ipv6_add_addr+0x411/0x2000 [ 3566.540488][ T10] inet6_addr_add+0x30e/0xa40 [ 3566.540488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3566.540488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.540488][ T10] netlink_rcv_skb+0x130/0x360 [ 3566.540488][ T10] netlink_unicast+0x449/0x710 [ 3566.540488][ T10] netlink_sendmsg+0x723/0xbe0 [ 3566.540488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3566.540488][ T10] ___sys_sendmsg+0xee/0x170 [ 3566.540488][ T10] __sys_sendmsg+0xcd/0x170 [ 3566.540488][ T10] do_syscall_64+0xc6/0x1e0 [ 3566.540488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.540488][ T10] [ 3566.542804][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3566.542804][ T10] netdev_get_by_index+0x5e/0x80 [ 3566.542804][ T10] fib6_nh_init+0x3d8/0x1580 [ 3566.542804][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3566.542804][ T10] ip6_route_add+0x1c/0x140 [ 3566.542804][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3566.542804][ T10] addrconf_add_dev+0xe2/0x170 [ 3566.542804][ T10] inet6_addr_add+0x12f/0xa40 [ 3566.542804][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3566.542804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.542804][ T10] netlink_rcv_skb+0x130/0x360 [ 3566.542804][ T10] netlink_unicast+0x449/0x710 [ 3566.542804][ T10] netlink_sendmsg+0x723/0xbe0 [ 3566.542804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3566.542804][ T10] ___sys_sendmsg+0xee/0x170 [ 3566.542804][ T10] __sys_sendmsg+0xcd/0x170 [ 3566.542804][ T10] do_syscall_64+0xc6/0x1e0 [ 3566.542804][ T10] [ 3566.544943][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3566.544943][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3566.544943][ T10] ipv6_find_idev+0x102/0x170 [ 3566.544943][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3566.544943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.544943][ T10] netlink_rcv_skb+0x130/0x360 [ 3566.544943][ T10] netlink_unicast+0x449/0x710 [ 3566.544943][ T10] netlink_sendmsg+0x723/0xbe0 [ 3566.544943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3566.544943][ T10] ___sys_sendmsg+0xee/0x170 [ 3566.544943][ T10] __sys_sendmsg+0xcd/0x170 [ 3566.544943][ T10] do_syscall_64+0xc6/0x1e0 [ 3566.544943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.544943][ T10] [ 3566.546665][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3566.546665][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3566.546665][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3566.546665][ T10] ipv6_find_idev+0x102/0x170 [ 3566.546665][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3566.546665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.546665][ T10] netlink_rcv_skb+0x130/0x360 [ 3566.546665][ T10] netlink_unicast+0x449/0x710 [ 3566.546665][ T10] netlink_sendmsg+0x723/0xbe0 [ 3566.546665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3566.546665][ T10] ___sys_sendmsg+0xee/0x170 [ 3566.546665][ T10] __sys_sendmsg+0xcd/0x170 [ 3566.546665][ T10] do_syscall_64+0xc6/0x1e0 [ 3566.546665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.546665][ T10] [ 3566.548583][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3566.548826][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3566.548826][ T10] netdev_get_by_index+0x5e/0x80 [ 3566.548826][ T10] fib6_nh_init+0x3d8/0x1580 [ 3566.548826][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3566.548826][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3566.548826][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3566.548826][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3566.548826][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3566.548826][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3566.548826][ T10] addrconf_dad_begin+0x310/0x670 [ 3566.548826][ T10] addrconf_dad_work+0x10b/0xab0 [ 3566.548826][ T10] process_one_work+0x84d/0x18a0 [ 3566.548826][ T10] worker_thread+0x587/0xd30 [ 3566.548826][ T10] kthread+0x28a/0x350 [ 3566.548826][ T10] ret_from_fork+0x31/0x70 [ 3566.548826][ T10] ret_from_fork_asm+0x1a/0x30 [ 3566.548826][ T10] [ 3566.551037][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3566.551037][ T10] netdev_get_by_index+0x5e/0x80 [ 3566.551037][ T10] fib6_nh_init+0x3d8/0x1580 [ 3566.551037][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3566.551037][ T10] ip6_route_add+0x1c/0x140 [ 3566.551037][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3566.551037][ T10] inet6_addr_add+0x4f8/0xa40 [ 3566.551037][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3566.551037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.551037][ T10] netlink_rcv_skb+0x130/0x360 [ 3566.551037][ T10] netlink_unicast+0x449/0x710 [ 3566.551037][ T10] netlink_sendmsg+0x723/0xbe0 [ 3566.551037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3566.551037][ T10] ___sys_sendmsg+0xee/0x170 [ 3566.551037][ T10] __sys_sendmsg+0xcd/0x170 [ 3566.551037][ T10] do_syscall_64+0xc6/0x1e0 [ 3566.551037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.551037][ T10] [ 3566.553226][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3566.553226][ T10] netdev_get_by_index+0x5e/0x80 [ 3566.553226][ T10] fib6_nh_init+0x3d8/0x1580 [ 3566.553226][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3566.553226][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3566.553226][ T10] ipv6_add_addr+0x411/0x2000 [ 3566.553226][ T10] inet6_addr_add+0x30e/0xa40 [ 3566.553226][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3566.553226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.553226][ T10] netlink_rcv_skb+0x130/0x360 [ 3566.553226][ T10] netlink_unicast+0x449/0x710 [ 3566.553226][ T10] netlink_sendmsg+0x723/0xbe0 [ 3566.553226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3566.553226][ T10] ___sys_sendmsg+0xee/0x170 [ 3566.553226][ T10] __sys_sendmsg+0xcd/0x170 [ 3566.553226][ T10] do_syscall_64+0xc6/0x1e0 [ 3566.553226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.553226][ T10] [ 3566.555550][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3566.555550][ T10] netdev_get_by_index+0x5e/0x80 [ 3566.555550][ T10] fib6_nh_init+0x3d8/0x1580 [ 3566.555550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3566.555550][ T10] ip6_route_add+0x1c/0x140 [ 3566.555550][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3566.555550][ T10] addrconf_add_dev+0xe2/0x170 [ 3566.555550][ T10] inet6_addr_add+0x12f/0xa40 [ 3566.555550][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3566.555550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.555550][ T10] netlink_rcv_skb+0x130/0x360 [ 3566.555550][ T10] netlink_unicast+0x449/0x710 [ 3566.555550][ T10] netlink_sendmsg+0x723/0xbe0 [ 3566.555550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3566.555550][ T10] ___sys_sendmsg+0xee/0x170 [ 3566.555550][ T10] __sys_sendmsg+0xcd/0x170 [ 3566.555550][ T10] do_syscall_64+0xc6/0x1e0 [ 3566.555550][ T10] [ 3566.557759][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3566.557759][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3566.557759][ T10] ipv6_find_idev+0x102/0x170 [ 3566.557759][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3566.557759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.557759][ T10] netlink_rcv_skb+0x130/0x360 [ 3566.557759][ T10] netlink_unicast+0x449/0x710 [ 3566.557759][ T10] netlink_sendmsg+0x723/0xbe0 [ 3566.557759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3566.557759][ T10] ___sys_sendmsg+0xee/0x170 [ 3566.557759][ T10] __sys_sendmsg+0xcd/0x170 [ 3566.557759][ T10] do_syscall_64+0xc6/0x1e0 [ 3566.557759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.557759][ T10] [ 3566.559480][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3566.559480][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3566.559480][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3566.559480][ T10] ipv6_find_idev+0x102/0x170 [ 3566.559480][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3566.559480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.559480][ T10] netlink_rcv_skb+0x130/0x360 [ 3566.559480][ T10] netlink_unicast+0x449/0x710 [ 3566.559480][ T10] netlink_sendmsg+0x723/0xbe0 [ 3566.559480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3566.559480][ T10] ___sys_sendmsg+0xee/0x170 [ 3566.559480][ T10] __sys_sendmsg+0xcd/0x170 [ 3566.559480][ T10] do_syscall_64+0xc6/0x1e0 [ 3566.559480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.559480][ T10] [ 3576.265148][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3576.265637][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3576.265637][ T1167] dst_init+0x84/0x4a0 [ 3576.265637][ T1167] dst_alloc+0x97/0x150 [ 3576.265637][ T1167] ip6_dst_alloc+0x23/0x90 [ 3576.265637][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3576.265637][ T1167] ip6_pol_route+0x56f/0x840 [ 3576.265637][ T1167] fib6_rule_lookup+0x334/0x630 [ 3576.265637][ T1167] ip6_route_output_flags+0x259/0x480 [ 3576.265637][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3576.265637][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3576.265637][ T1167] netlink_rcv_skb+0x130/0x360 [ 3576.265637][ T1167] netlink_unicast+0x449/0x710 [ 3576.265637][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3576.265637][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3576.265637][ T1167] ___sys_sendmsg+0xee/0x170 [ 3576.265637][ T1167] __sys_sendmsg+0xcd/0x170 [ 3576.265637][ T1167] do_syscall_64+0xc6/0x1e0 [ 3576.265637][ T1167] [ 3576.267886][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3576.267886][ T1167] netdev_get_by_index+0x5e/0x80 [ 3576.267886][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3576.267886][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3576.267886][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3576.267886][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3576.267886][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3576.267886][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3576.267886][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3576.267886][ T1167] addrconf_dad_begin+0x310/0x670 [ 3576.267886][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3576.267886][ T1167] process_one_work+0x84d/0x18a0 [ 3576.267886][ T1167] worker_thread+0x587/0xd30 [ 3576.267886][ T1167] kthread+0x28a/0x350 [ 3576.267886][ T1167] ret_from_fork+0x31/0x70 [ 3576.267886][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3576.267886][ T1167] [ 3576.270078][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3576.270078][ T1167] netdev_get_by_index+0x5e/0x80 [ 3576.270078][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3576.270078][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3576.270078][ T1167] ip6_route_add+0x1c/0x140 [ 3576.270078][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3576.270078][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3576.270078][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3576.270078][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.270078][ T1167] netlink_rcv_skb+0x130/0x360 [ 3576.270078][ T1167] netlink_unicast+0x449/0x710 [ 3576.270078][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3576.270078][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3576.270078][ T1167] ___sys_sendmsg+0xee/0x170 [ 3576.270078][ T1167] __sys_sendmsg+0xcd/0x170 [ 3576.270078][ T1167] do_syscall_64+0xc6/0x1e0 [ 3576.270078][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.270078][ T1167] [ 3576.272361][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3576.272361][ T1167] netdev_get_by_index+0x5e/0x80 [ 3576.272361][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3576.272361][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3576.272361][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3576.272361][ T1167] ipv6_add_addr+0x411/0x2000 [ 3576.272361][ T1167] inet6_addr_add+0x30e/0xa40 [ 3576.272361][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3576.272361][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.272361][ T1167] netlink_rcv_skb+0x130/0x360 [ 3576.272361][ T1167] netlink_unicast+0x449/0x710 [ 3576.272361][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3576.272361][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3576.272361][ T1167] ___sys_sendmsg+0xee/0x170 [ 3576.272361][ T1167] __sys_sendmsg+0xcd/0x170 [ 3576.272361][ T1167] do_syscall_64+0xc6/0x1e0 [ 3576.272361][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.272361][ T1167] [ 3576.274621][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3576.274621][ T1167] netdev_get_by_index+0x5e/0x80 [ 3576.274621][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3576.274621][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3576.274621][ T1167] ip6_route_add+0x1c/0x140 [ 3576.274621][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3576.274621][ T1167] addrconf_add_dev+0xe2/0x170 [ 3576.274621][ T1167] inet6_addr_add+0x12f/0xa40 [ 3576.274621][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3576.274621][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.274621][ T1167] netlink_rcv_skb+0x130/0x360 [ 3576.274621][ T1167] netlink_unicast+0x449/0x710 [ 3576.274621][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3576.274621][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3576.274621][ T1167] ___sys_sendmsg+0xee/0x170 [ 3576.274621][ T1167] __sys_sendmsg+0xcd/0x170 [ 3576.274621][ T1167] do_syscall_64+0xc6/0x1e0 [ 3576.274621][ T1167] [ 3576.276856][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3576.276856][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3576.276856][ T1167] ipv6_find_idev+0x102/0x170 [ 3576.276856][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3576.276856][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.276856][ T1167] netlink_rcv_skb+0x130/0x360 [ 3576.276856][ T1167] netlink_unicast+0x449/0x710 [ 3576.276856][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3576.276856][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3576.276856][ T1167] ___sys_sendmsg+0xee/0x170 [ 3576.276856][ T1167] __sys_sendmsg+0xcd/0x170 [ 3576.276856][ T1167] do_syscall_64+0xc6/0x1e0 [ 3576.276856][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.276856][ T1167] [ 3576.278604][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3576.278604][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3576.278604][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3576.278604][ T1167] ipv6_find_idev+0x102/0x170 [ 3576.278604][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3576.278604][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.278604][ T1167] netlink_rcv_skb+0x130/0x360 [ 3576.278604][ T1167] netlink_unicast+0x449/0x710 [ 3576.278604][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3576.278604][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3576.278604][ T1167] ___sys_sendmsg+0xee/0x170 [ 3576.278604][ T1167] __sys_sendmsg+0xcd/0x170 [ 3576.278604][ T1167] do_syscall_64+0xc6/0x1e0 [ 3576.278604][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.278604][ T1167] [ 3576.801108][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3576.801578][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3576.801578][ T10] netdev_get_by_index+0x5e/0x80 [ 3576.801578][ T10] fib6_nh_init+0x3d8/0x1580 [ 3576.801578][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3576.801578][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3576.801578][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3576.801578][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3576.801578][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3576.801578][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3576.801578][ T10] addrconf_dad_begin+0x310/0x670 [ 3576.801578][ T10] addrconf_dad_work+0x10b/0xab0 [ 3576.801578][ T10] process_one_work+0x84d/0x18a0 [ 3576.801578][ T10] worker_thread+0x587/0xd30 [ 3576.801578][ T10] kthread+0x28a/0x350 [ 3576.801578][ T10] ret_from_fork+0x31/0x70 [ 3576.801578][ T10] ret_from_fork_asm+0x1a/0x30 [ 3576.801578][ T10] [ 3576.803517][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3576.803517][ T10] netdev_get_by_index+0x5e/0x80 [ 3576.803517][ T10] fib6_nh_init+0x3d8/0x1580 [ 3576.803517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3576.803517][ T10] ip6_route_add+0x1c/0x140 [ 3576.803517][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3576.803517][ T10] inet6_addr_add+0x4f8/0xa40 [ 3576.803517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3576.803517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.803517][ T10] netlink_rcv_skb+0x130/0x360 [ 3576.803517][ T10] netlink_unicast+0x449/0x710 [ 3576.803517][ T10] netlink_sendmsg+0x723/0xbe0 [ 3576.803517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3576.803517][ T10] ___sys_sendmsg+0xee/0x170 [ 3576.803517][ T10] __sys_sendmsg+0xcd/0x170 [ 3576.803517][ T10] do_syscall_64+0xc6/0x1e0 [ 3576.803517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.803517][ T10] [ 3576.805540][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3576.805540][ T10] netdev_get_by_index+0x5e/0x80 [ 3576.805540][ T10] fib6_nh_init+0x3d8/0x1580 [ 3576.805540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3576.805540][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3576.805540][ T10] ipv6_add_addr+0x411/0x2000 [ 3576.805540][ T10] inet6_addr_add+0x30e/0xa40 [ 3576.805540][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3576.805540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.805540][ T10] netlink_rcv_skb+0x130/0x360 [ 3576.805540][ T10] netlink_unicast+0x449/0x710 [ 3576.805540][ T10] netlink_sendmsg+0x723/0xbe0 [ 3576.805540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3576.805540][ T10] ___sys_sendmsg+0xee/0x170 [ 3576.805540][ T10] __sys_sendmsg+0xcd/0x170 [ 3576.805540][ T10] do_syscall_64+0xc6/0x1e0 [ 3576.805540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.805540][ T10] [ 3576.807534][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3576.807534][ T10] netdev_get_by_index+0x5e/0x80 [ 3576.807534][ T10] fib6_nh_init+0x3d8/0x1580 [ 3576.807534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3576.807534][ T10] ip6_route_add+0x1c/0x140 [ 3576.807534][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3576.807534][ T10] addrconf_add_dev+0xe2/0x170 [ 3576.807534][ T10] inet6_addr_add+0x12f/0xa40 [ 3576.807534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3576.807534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.807534][ T10] netlink_rcv_skb+0x130/0x360 [ 3576.807534][ T10] netlink_unicast+0x449/0x710 [ 3576.807534][ T10] netlink_sendmsg+0x723/0xbe0 [ 3576.807534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3576.807534][ T10] ___sys_sendmsg+0xee/0x170 [ 3576.807534][ T10] __sys_sendmsg+0xcd/0x170 [ 3576.807534][ T10] do_syscall_64+0xc6/0x1e0 [ 3576.807534][ T10] [ 3576.809495][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3576.809495][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3576.809495][ T10] ipv6_find_idev+0x102/0x170 [ 3576.809495][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3576.809495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.809495][ T10] netlink_rcv_skb+0x130/0x360 [ 3576.809495][ T10] netlink_unicast+0x449/0x710 [ 3576.809495][ T10] netlink_sendmsg+0x723/0xbe0 [ 3576.809495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3576.809495][ T10] ___sys_sendmsg+0xee/0x170 [ 3576.809495][ T10] __sys_sendmsg+0xcd/0x170 [ 3576.809495][ T10] do_syscall_64+0xc6/0x1e0 [ 3576.809495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.809495][ T10] [ 3576.811033][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3576.811033][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3576.811033][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3576.811033][ T10] ipv6_find_idev+0x102/0x170 [ 3576.811033][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3576.811033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.811033][ T10] netlink_rcv_skb+0x130/0x360 [ 3576.811033][ T10] netlink_unicast+0x449/0x710 [ 3576.811033][ T10] netlink_sendmsg+0x723/0xbe0 [ 3576.811033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3576.811033][ T10] ___sys_sendmsg+0xee/0x170 [ 3576.811033][ T10] __sys_sendmsg+0xcd/0x170 [ 3576.811033][ T10] do_syscall_64+0xc6/0x1e0 [ 3576.811033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.811033][ T10] [ 3576.812716][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3576.812956][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3576.812956][ T10] netdev_get_by_index+0x5e/0x80 [ 3576.812956][ T10] fib6_nh_init+0x3d8/0x1580 [ 3576.812956][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3576.812956][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3576.812956][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3576.812956][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3576.812956][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3576.812956][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3576.812956][ T10] addrconf_dad_begin+0x310/0x670 [ 3576.812956][ T10] addrconf_dad_work+0x10b/0xab0 [ 3576.812956][ T10] process_one_work+0x84d/0x18a0 [ 3576.812956][ T10] worker_thread+0x587/0xd30 [ 3576.812956][ T10] kthread+0x28a/0x350 [ 3576.812956][ T10] ret_from_fork+0x31/0x70 [ 3576.812956][ T10] ret_from_fork_asm+0x1a/0x30 [ 3576.812956][ T10] [ 3576.814867][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3576.814867][ T10] netdev_get_by_index+0x5e/0x80 [ 3576.814867][ T10] fib6_nh_init+0x3d8/0x1580 [ 3576.814867][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3576.814867][ T10] ip6_route_add+0x1c/0x140 [ 3576.814867][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3576.814867][ T10] inet6_addr_add+0x4f8/0xa40 [ 3576.814867][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3576.814867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.814867][ T10] netlink_rcv_skb+0x130/0x360 [ 3576.814867][ T10] netlink_unicast+0x449/0x710 [ 3576.814867][ T10] netlink_sendmsg+0x723/0xbe0 [ 3576.814867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3576.814867][ T10] ___sys_sendmsg+0xee/0x170 [ 3576.814867][ T10] __sys_sendmsg+0xcd/0x170 [ 3576.814867][ T10] do_syscall_64+0xc6/0x1e0 [ 3576.814867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.814867][ T10] [ 3576.817400][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3576.817400][ T10] netdev_get_by_index+0x5e/0x80 [ 3576.817400][ T10] fib6_nh_init+0x3d8/0x1580 [ 3576.817400][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3576.817400][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3576.817400][ T10] ipv6_add_addr+0x411/0x2000 [ 3576.817400][ T10] inet6_addr_add+0x30e/0xa40 [ 3576.817400][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3576.817400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.817400][ T10] netlink_rcv_skb+0x130/0x360 [ 3576.817400][ T10] netlink_unicast+0x449/0x710 [ 3576.817400][ T10] netlink_sendmsg+0x723/0xbe0 [ 3576.817400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3576.817400][ T10] ___sys_sendmsg+0xee/0x170 [ 3576.817400][ T10] __sys_sendmsg+0xcd/0x170 [ 3576.817400][ T10] do_syscall_64+0xc6/0x1e0 [ 3576.817400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.817400][ T10] [ 3576.819448][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3576.819448][ T10] netdev_get_by_index+0x5e/0x80 [ 3576.819448][ T10] fib6_nh_init+0x3d8/0x1580 [ 3576.819448][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3576.819448][ T10] ip6_route_add+0x1c/0x140 [ 3576.819448][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3576.819448][ T10] addrconf_add_dev+0xe2/0x170 [ 3576.819448][ T10] inet6_addr_add+0x12f/0xa40 [ 3576.819448][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3576.819448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.819448][ T10] netlink_rcv_skb+0x130/0x360 [ 3576.819448][ T10] netlink_unicast+0x449/0x710 [ 3576.819448][ T10] netlink_sendmsg+0x723/0xbe0 [ 3576.819448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3576.819448][ T10] ___sys_sendmsg+0xee/0x170 [ 3576.819448][ T10] __sys_sendmsg+0xcd/0x170 [ 3576.819448][ T10] do_syscall_64+0xc6/0x1e0 [ 3576.819448][ T10] [ 3576.821427][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3576.821427][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3576.821427][ T10] ipv6_find_idev+0x102/0x170 [ 3576.821427][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3576.821427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.821427][ T10] netlink_rcv_skb+0x130/0x360 [ 3576.821427][ T10] netlink_unicast+0x449/0x710 [ 3576.821427][ T10] netlink_sendmsg+0x723/0xbe0 [ 3576.821427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3576.821427][ T10] ___sys_sendmsg+0xee/0x170 [ 3576.821427][ T10] __sys_sendmsg+0xcd/0x170 [ 3576.821427][ T10] do_syscall_64+0xc6/0x1e0 [ 3576.821427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.821427][ T10] [ 3576.822972][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3576.822972][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3576.822972][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3576.822972][ T10] ipv6_find_idev+0x102/0x170 [ 3576.822972][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3576.822972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.822972][ T10] netlink_rcv_skb+0x130/0x360 [ 3576.822972][ T10] netlink_unicast+0x449/0x710 [ 3576.822972][ T10] netlink_sendmsg+0x723/0xbe0 [ 3576.822972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3576.822972][ T10] ___sys_sendmsg+0xee/0x170 [ 3576.822972][ T10] __sys_sendmsg+0xcd/0x170 [ 3576.822972][ T10] do_syscall_64+0xc6/0x1e0 [ 3576.822972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.822972][ T10] [ 3576.824674][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3576.824910][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3576.824910][ T10] netdev_get_by_index+0x5e/0x80 [ 3576.824910][ T10] fib6_nh_init+0x3d8/0x1580 [ 3576.824910][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3576.824910][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3576.824910][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3576.824910][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3576.824910][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3576.824910][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3576.824910][ T10] addrconf_dad_begin+0x310/0x670 [ 3576.824910][ T10] addrconf_dad_work+0x10b/0xab0 [ 3576.824910][ T10] process_one_work+0x84d/0x18a0 [ 3576.824910][ T10] worker_thread+0x587/0xd30 [ 3576.824910][ T10] kthread+0x28a/0x350 [ 3576.824910][ T10] ret_from_fork+0x31/0x70 [ 3576.824910][ T10] ret_from_fork_asm+0x1a/0x30 [ 3576.824910][ T10] [ 3576.826873][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3576.826873][ T10] netdev_get_by_index+0x5e/0x80 [ 3576.826873][ T10] fib6_nh_init+0x3d8/0x1580 [ 3576.826873][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3576.826873][ T10] ip6_route_add+0x1c/0x140 [ 3576.826873][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3576.826873][ T10] inet6_addr_add+0x4f8/0xa40 [ 3576.826873][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3576.826873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.826873][ T10] netlink_rcv_skb+0x130/0x360 [ 3576.826873][ T10] netlink_unicast+0x449/0x710 [ 3576.826873][ T10] netlink_sendmsg+0x723/0xbe0 [ 3576.826873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3576.826873][ T10] ___sys_sendmsg+0xee/0x170 [ 3576.826873][ T10] __sys_sendmsg+0xcd/0x170 [ 3576.826873][ T10] do_syscall_64+0xc6/0x1e0 [ 3576.826873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.826873][ T10] [ 3576.829081][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3576.829081][ T10] netdev_get_by_index+0x5e/0x80 [ 3576.829081][ T10] fib6_nh_init+0x3d8/0x1580 [ 3576.829081][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3576.829081][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3576.829081][ T10] ipv6_add_addr+0x411/0x2000 [ 3576.829081][ T10] inet6_addr_add+0x30e/0xa40 [ 3576.829081][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3576.829081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.829081][ T10] netlink_rcv_skb+0x130/0x360 [ 3576.829081][ T10] netlink_unicast+0x449/0x710 [ 3576.829081][ T10] netlink_sendmsg+0x723/0xbe0 [ 3576.829081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3576.829081][ T10] ___sys_sendmsg+0xee/0x170 [ 3576.829081][ T10] __sys_sendmsg+0xcd/0x170 [ 3576.829081][ T10] do_syscall_64+0xc6/0x1e0 [ 3576.829081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.829081][ T10] [ 3576.833949][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3576.833949][ T10] netdev_get_by_index+0x5e/0x80 [ 3576.833949][ T10] fib6_nh_init+0x3d8/0x1580 [ 3576.833949][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3576.833949][ T10] ip6_route_add+0x1c/0x140 [ 3576.833949][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3576.833949][ T10] addrconf_add_dev+0xe2/0x170 [ 3576.833949][ T10] inet6_addr_add+0x12f/0xa40 [ 3576.833949][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3576.833949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.833949][ T10] netlink_rcv_skb+0x130/0x360 [ 3576.833949][ T10] netlink_unicast+0x449/0x710 [ 3576.833949][ T10] netlink_sendmsg+0x723/0xbe0 [ 3576.833949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3576.833949][ T10] ___sys_sendmsg+0xee/0x170 [ 3576.833949][ T10] __sys_sendmsg+0xcd/0x170 [ 3576.833949][ T10] do_syscall_64+0xc6/0x1e0 [ 3576.833949][ T10] [ 3576.836116][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3576.836116][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3576.836116][ T10] ipv6_find_idev+0x102/0x170 [ 3576.836116][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3576.836116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.836116][ T10] netlink_rcv_skb+0x130/0x360 [ 3576.836116][ T10] netlink_unicast+0x449/0x710 [ 3576.836116][ T10] netlink_sendmsg+0x723/0xbe0 [ 3576.836116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3576.836116][ T10] ___sys_sendmsg+0xee/0x170 [ 3576.836116][ T10] __sys_sendmsg+0xcd/0x170 [ 3576.836116][ T10] do_syscall_64+0xc6/0x1e0 [ 3576.836116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.836116][ T10] [ 3576.837858][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3576.837858][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3576.837858][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3576.837858][ T10] ipv6_find_idev+0x102/0x170 [ 3576.837858][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3576.837858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.837858][ T10] netlink_rcv_skb+0x130/0x360 [ 3576.837858][ T10] netlink_unicast+0x449/0x710 [ 3576.837858][ T10] netlink_sendmsg+0x723/0xbe0 [ 3576.837858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3576.837858][ T10] ___sys_sendmsg+0xee/0x170 [ 3576.837858][ T10] __sys_sendmsg+0xcd/0x170 [ 3576.837858][ T10] do_syscall_64+0xc6/0x1e0 [ 3576.837858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.837858][ T10] [ 3576.839801][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3576.840040][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3576.840040][ T10] netdev_get_by_index+0x5e/0x80 [ 3576.840040][ T10] fib6_nh_init+0x3d8/0x1580 [ 3576.840040][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3576.840040][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3576.840040][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3576.840040][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3576.840040][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3576.840040][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3576.840040][ T10] addrconf_dad_begin+0x310/0x670 [ 3576.840040][ T10] addrconf_dad_work+0x10b/0xab0 [ 3576.840040][ T10] process_one_work+0x84d/0x18a0 [ 3576.840040][ T10] worker_thread+0x587/0xd30 [ 3576.840040][ T10] kthread+0x28a/0x350 [ 3576.840040][ T10] ret_from_fork+0x31/0x70 [ 3576.840040][ T10] ret_from_fork_asm+0x1a/0x30 [ 3576.840040][ T10] [ 3576.842264][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3576.842264][ T10] netdev_get_by_index+0x5e/0x80 [ 3576.842264][ T10] fib6_nh_init+0x3d8/0x1580 [ 3576.842264][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3576.842264][ T10] ip6_route_add+0x1c/0x140 [ 3576.842264][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3576.842264][ T10] inet6_addr_add+0x4f8/0xa40 [ 3576.842264][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3576.842264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.842264][ T10] netlink_rcv_skb+0x130/0x360 [ 3576.842264][ T10] netlink_unicast+0x449/0x710 [ 3576.842264][ T10] netlink_sendmsg+0x723/0xbe0 [ 3576.842264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3576.842264][ T10] ___sys_sendmsg+0xee/0x170 [ 3576.842264][ T10] __sys_sendmsg+0xcd/0x170 [ 3576.842264][ T10] do_syscall_64+0xc6/0x1e0 [ 3576.842264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.842264][ T10] [ 3576.844453][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3576.844453][ T10] netdev_get_by_index+0x5e/0x80 [ 3576.844453][ T10] fib6_nh_init+0x3d8/0x1580 [ 3576.844453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3576.844453][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3576.844453][ T10] ipv6_add_addr+0x411/0x2000 [ 3576.844453][ T10] inet6_addr_add+0x30e/0xa40 [ 3576.844453][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3576.844453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.844453][ T10] netlink_rcv_skb+0x130/0x360 [ 3576.844453][ T10] netlink_unicast+0x449/0x710 [ 3576.844453][ T10] netlink_sendmsg+0x723/0xbe0 [ 3576.844453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3576.844453][ T10] ___sys_sendmsg+0xee/0x170 [ 3576.844453][ T10] __sys_sendmsg+0xcd/0x170 [ 3576.844453][ T10] do_syscall_64+0xc6/0x1e0 [ 3576.844453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.844453][ T10] [ 3576.846712][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3576.846712][ T10] netdev_get_by_index+0x5e/0x80 [ 3576.846712][ T10] fib6_nh_init+0x3d8/0x1580 [ 3576.846712][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3576.846712][ T10] ip6_route_add+0x1c/0x140 [ 3576.846712][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3576.846712][ T10] addrconf_add_dev+0xe2/0x170 [ 3576.846712][ T10] inet6_addr_add+0x12f/0xa40 [ 3576.846712][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3576.846712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.846712][ T10] netlink_rcv_skb+0x130/0x360 [ 3576.846712][ T10] netlink_unicast+0x449/0x710 [ 3576.846712][ T10] netlink_sendmsg+0x723/0xbe0 [ 3576.846712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3576.846712][ T10] ___sys_sendmsg+0xee/0x170 [ 3576.846712][ T10] __sys_sendmsg+0xcd/0x170 [ 3576.846712][ T10] do_syscall_64+0xc6/0x1e0 [ 3576.846712][ T10] [ 3576.848923][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3576.848923][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3576.848923][ T10] ipv6_find_idev+0x102/0x170 [ 3576.848923][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3576.848923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.848923][ T10] netlink_rcv_skb+0x130/0x360 [ 3576.848923][ T10] netlink_unicast+0x449/0x710 [ 3576.848923][ T10] netlink_sendmsg+0x723/0xbe0 [ 3576.848923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3576.848923][ T10] ___sys_sendmsg+0xee/0x170 [ 3576.848923][ T10] __sys_sendmsg+0xcd/0x170 [ 3576.848923][ T10] do_syscall_64+0xc6/0x1e0 [ 3576.848923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.848923][ T10] [ 3576.850666][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3576.850666][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3576.850666][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3576.850666][ T10] ipv6_find_idev+0x102/0x170 [ 3576.850666][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3576.850666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.850666][ T10] netlink_rcv_skb+0x130/0x360 [ 3576.850666][ T10] netlink_unicast+0x449/0x710 [ 3576.850666][ T10] netlink_sendmsg+0x723/0xbe0 [ 3576.850666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3576.850666][ T10] ___sys_sendmsg+0xee/0x170 [ 3576.850666][ T10] __sys_sendmsg+0xcd/0x170 [ 3576.850666][ T10] do_syscall_64+0xc6/0x1e0 [ 3576.850666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.850666][ T10] [ 3586.521141][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3586.521658][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3586.521658][ T1167] dst_init+0x84/0x4a0 [ 3586.521658][ T1167] dst_alloc+0x97/0x150 [ 3586.521658][ T1167] ip6_dst_alloc+0x23/0x90 [ 3586.521658][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3586.521658][ T1167] ip6_pol_route+0x56f/0x840 [ 3586.521658][ T1167] fib6_rule_lookup+0x334/0x630 [ 3586.521658][ T1167] ip6_route_output_flags+0x259/0x480 [ 3586.521658][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3586.521658][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3586.521658][ T1167] netlink_rcv_skb+0x130/0x360 [ 3586.521658][ T1167] netlink_unicast+0x449/0x710 [ 3586.521658][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3586.521658][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3586.521658][ T1167] ___sys_sendmsg+0xee/0x170 [ 3586.521658][ T1167] __sys_sendmsg+0xcd/0x170 [ 3586.521658][ T1167] do_syscall_64+0xc6/0x1e0 [ 3586.521658][ T1167] [ 3586.523876][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3586.523876][ T1167] netdev_get_by_index+0x5e/0x80 [ 3586.523876][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3586.523876][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3586.523876][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3586.523876][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3586.523876][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3586.523876][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3586.523876][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3586.523876][ T1167] addrconf_dad_begin+0x310/0x670 [ 3586.523876][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3586.523876][ T1167] process_one_work+0x84d/0x18a0 [ 3586.523876][ T1167] worker_thread+0x587/0xd30 [ 3586.523876][ T1167] kthread+0x28a/0x350 [ 3586.523876][ T1167] ret_from_fork+0x31/0x70 [ 3586.523876][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3586.523876][ T1167] [ 3586.526057][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3586.526057][ T1167] netdev_get_by_index+0x5e/0x80 [ 3586.526057][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3586.526057][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3586.526057][ T1167] ip6_route_add+0x1c/0x140 [ 3586.526057][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3586.526057][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3586.526057][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3586.526057][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3586.526057][ T1167] netlink_rcv_skb+0x130/0x360 [ 3586.526057][ T1167] netlink_unicast+0x449/0x710 [ 3586.526057][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3586.526057][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3586.526057][ T1167] ___sys_sendmsg+0xee/0x170 [ 3586.526057][ T1167] __sys_sendmsg+0xcd/0x170 [ 3586.526057][ T1167] do_syscall_64+0xc6/0x1e0 [ 3586.526057][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3586.526057][ T1167] [ 3586.528311][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3586.528311][ T1167] netdev_get_by_index+0x5e/0x80 [ 3586.528311][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3586.528311][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3586.528311][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3586.528311][ T1167] ipv6_add_addr+0x411/0x2000 [ 3586.528311][ T1167] inet6_addr_add+0x30e/0xa40 [ 3586.528311][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3586.528311][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3586.528311][ T1167] netlink_rcv_skb+0x130/0x360 [ 3586.528311][ T1167] netlink_unicast+0x449/0x710 [ 3586.528311][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3586.528311][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3586.528311][ T1167] ___sys_sendmsg+0xee/0x170 [ 3586.528311][ T1167] __sys_sendmsg+0xcd/0x170 [ 3586.528311][ T1167] do_syscall_64+0xc6/0x1e0 [ 3586.528311][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3586.528311][ T1167] [ 3586.530573][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3586.530573][ T1167] netdev_get_by_index+0x5e/0x80 [ 3586.530573][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3586.530573][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3586.530573][ T1167] ip6_route_add+0x1c/0x140 [ 3586.530573][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3586.530573][ T1167] addrconf_add_dev+0xe2/0x170 [ 3586.530573][ T1167] inet6_addr_add+0x12f/0xa40 [ 3586.530573][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3586.530573][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3586.530573][ T1167] netlink_rcv_skb+0x130/0x360 [ 3586.530573][ T1167] netlink_unicast+0x449/0x710 [ 3586.530573][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3586.530573][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3586.530573][ T1167] ___sys_sendmsg+0xee/0x170 [ 3586.530573][ T1167] __sys_sendmsg+0xcd/0x170 [ 3586.530573][ T1167] do_syscall_64+0xc6/0x1e0 [ 3586.530573][ T1167] [ 3586.532792][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3586.532792][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3586.532792][ T1167] ipv6_find_idev+0x102/0x170 [ 3586.532792][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3586.532792][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3586.532792][ T1167] netlink_rcv_skb+0x130/0x360 [ 3586.532792][ T1167] netlink_unicast+0x449/0x710 [ 3586.532792][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3586.532792][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3586.532792][ T1167] ___sys_sendmsg+0xee/0x170 [ 3586.532792][ T1167] __sys_sendmsg+0xcd/0x170 [ 3586.532792][ T1167] do_syscall_64+0xc6/0x1e0 [ 3586.532792][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3586.532792][ T1167] [ 3586.534542][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3586.534542][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3586.534542][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3586.534542][ T1167] ipv6_find_idev+0x102/0x170 [ 3586.534542][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3586.534542][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3586.534542][ T1167] netlink_rcv_skb+0x130/0x360 [ 3586.534542][ T1167] netlink_unicast+0x449/0x710 [ 3586.534542][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3586.534542][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3586.534542][ T1167] ___sys_sendmsg+0xee/0x170 [ 3586.534542][ T1167] __sys_sendmsg+0xcd/0x170 [ 3586.534542][ T1167] do_syscall_64+0xc6/0x1e0 [ 3586.534542][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3586.534542][ T1167] [ 3587.089122][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3587.089533][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3587.089533][ T10] netdev_get_by_index+0x5e/0x80 [ 3587.089533][ T10] fib6_nh_init+0x3d8/0x1580 [ 3587.089533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3587.089533][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3587.089533][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3587.089533][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3587.089533][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3587.089533][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3587.089533][ T10] addrconf_dad_begin+0x310/0x670 [ 3587.089533][ T10] addrconf_dad_work+0x10b/0xab0 [ 3587.089533][ T10] process_one_work+0x84d/0x18a0 [ 3587.089533][ T10] worker_thread+0x587/0xd30 [ 3587.089533][ T10] kthread+0x28a/0x350 [ 3587.089533][ T10] ret_from_fork+0x31/0x70 [ 3587.089533][ T10] ret_from_fork_asm+0x1a/0x30 [ 3587.089533][ T10] [ 3587.091522][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3587.091522][ T10] netdev_get_by_index+0x5e/0x80 [ 3587.091522][ T10] fib6_nh_init+0x3d8/0x1580 [ 3587.091522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3587.091522][ T10] ip6_route_add+0x1c/0x140 [ 3587.091522][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3587.091522][ T10] inet6_addr_add+0x4f8/0xa40 [ 3587.091522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3587.091522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.091522][ T10] netlink_rcv_skb+0x130/0x360 [ 3587.091522][ T10] netlink_unicast+0x449/0x710 [ 3587.091522][ T10] netlink_sendmsg+0x723/0xbe0 [ 3587.091522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3587.091522][ T10] ___sys_sendmsg+0xee/0x170 [ 3587.091522][ T10] __sys_sendmsg+0xcd/0x170 [ 3587.091522][ T10] do_syscall_64+0xc6/0x1e0 [ 3587.091522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3587.091522][ T10] [ 3587.093533][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3587.093533][ T10] netdev_get_by_index+0x5e/0x80 [ 3587.093533][ T10] fib6_nh_init+0x3d8/0x1580 [ 3587.093533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3587.093533][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3587.093533][ T10] ipv6_add_addr+0x411/0x2000 [ 3587.093533][ T10] inet6_addr_add+0x30e/0xa40 [ 3587.093533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3587.093533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.093533][ T10] netlink_rcv_skb+0x130/0x360 [ 3587.093533][ T10] netlink_unicast+0x449/0x710 [ 3587.093533][ T10] netlink_sendmsg+0x723/0xbe0 [ 3587.093533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3587.093533][ T10] ___sys_sendmsg+0xee/0x170 [ 3587.093533][ T10] __sys_sendmsg+0xcd/0x170 [ 3587.093533][ T10] do_syscall_64+0xc6/0x1e0 [ 3587.093533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3587.093533][ T10] [ 3587.095551][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3587.095551][ T10] netdev_get_by_index+0x5e/0x80 [ 3587.095551][ T10] fib6_nh_init+0x3d8/0x1580 [ 3587.095551][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3587.095551][ T10] ip6_route_add+0x1c/0x140 [ 3587.095551][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3587.095551][ T10] addrconf_add_dev+0xe2/0x170 [ 3587.095551][ T10] inet6_addr_add+0x12f/0xa40 [ 3587.095551][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3587.095551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.095551][ T10] netlink_rcv_skb+0x130/0x360 [ 3587.095551][ T10] netlink_unicast+0x449/0x710 [ 3587.095551][ T10] netlink_sendmsg+0x723/0xbe0 [ 3587.095551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3587.095551][ T10] ___sys_sendmsg+0xee/0x170 [ 3587.095551][ T10] __sys_sendmsg+0xcd/0x170 [ 3587.095551][ T10] do_syscall_64+0xc6/0x1e0 [ 3587.095551][ T10] [ 3587.097515][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3587.097515][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3587.097515][ T10] ipv6_find_idev+0x102/0x170 [ 3587.097515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3587.097515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.097515][ T10] netlink_rcv_skb+0x130/0x360 [ 3587.097515][ T10] netlink_unicast+0x449/0x710 [ 3587.097515][ T10] netlink_sendmsg+0x723/0xbe0 [ 3587.097515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3587.097515][ T10] ___sys_sendmsg+0xee/0x170 [ 3587.097515][ T10] __sys_sendmsg+0xcd/0x170 [ 3587.097515][ T10] do_syscall_64+0xc6/0x1e0 [ 3587.097515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3587.097515][ T10] [ 3587.099061][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3587.099061][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3587.099061][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3587.099061][ T10] ipv6_find_idev+0x102/0x170 [ 3587.099061][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3587.099061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.099061][ T10] netlink_rcv_skb+0x130/0x360 [ 3587.099061][ T10] netlink_unicast+0x449/0x710 [ 3587.099061][ T10] netlink_sendmsg+0x723/0xbe0 [ 3587.099061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3587.099061][ T10] ___sys_sendmsg+0xee/0x170 [ 3587.099061][ T10] __sys_sendmsg+0xcd/0x170 [ 3587.099061][ T10] do_syscall_64+0xc6/0x1e0 [ 3587.099061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3587.099061][ T10] [ 3587.100750][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3587.101012][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3587.101012][ T10] netdev_get_by_index+0x5e/0x80 [ 3587.101012][ T10] fib6_nh_init+0x3d8/0x1580 [ 3587.101012][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3587.101012][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3587.101012][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3587.101012][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3587.101012][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3587.101012][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3587.101012][ T10] addrconf_dad_begin+0x310/0x670 [ 3587.101012][ T10] addrconf_dad_work+0x10b/0xab0 [ 3587.101012][ T10] process_one_work+0x84d/0x18a0 [ 3587.101012][ T10] worker_thread+0x587/0xd30 [ 3587.101012][ T10] kthread+0x28a/0x350 [ 3587.101012][ T10] ret_from_fork+0x31/0x70 [ 3587.101012][ T10] ret_from_fork_asm+0x1a/0x30 [ 3587.101012][ T10] [ 3587.102922][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3587.102922][ T10] netdev_get_by_index+0x5e/0x80 [ 3587.102922][ T10] fib6_nh_init+0x3d8/0x1580 [ 3587.102922][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3587.102922][ T10] ip6_route_add+0x1c/0x140 [ 3587.102922][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3587.102922][ T10] inet6_addr_add+0x4f8/0xa40 [ 3587.102922][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3587.102922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.102922][ T10] netlink_rcv_skb+0x130/0x360 [ 3587.102922][ T10] netlink_unicast+0x449/0x710 [ 3587.102922][ T10] netlink_sendmsg+0x723/0xbe0 [ 3587.102922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3587.102922][ T10] ___sys_sendmsg+0xee/0x170 [ 3587.102922][ T10] __sys_sendmsg+0xcd/0x170 [ 3587.102922][ T10] do_syscall_64+0xc6/0x1e0 [ 3587.102922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3587.102922][ T10] [ 3587.104927][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3587.104927][ T10] netdev_get_by_index+0x5e/0x80 [ 3587.104927][ T10] fib6_nh_init+0x3d8/0x1580 [ 3587.104927][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3587.104927][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3587.104927][ T10] ipv6_add_addr+0x411/0x2000 [ 3587.104927][ T10] inet6_addr_add+0x30e/0xa40 [ 3587.104927][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3587.104927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.104927][ T10] netlink_rcv_skb+0x130/0x360 [ 3587.104927][ T10] netlink_unicast+0x449/0x710 [ 3587.104927][ T10] netlink_sendmsg+0x723/0xbe0 [ 3587.104927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3587.104927][ T10] ___sys_sendmsg+0xee/0x170 [ 3587.104927][ T10] __sys_sendmsg+0xcd/0x170 [ 3587.104927][ T10] do_syscall_64+0xc6/0x1e0 [ 3587.104927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3587.104927][ T10] [ 3587.106933][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3587.106933][ T10] netdev_get_by_index+0x5e/0x80 [ 3587.106933][ T10] fib6_nh_init+0x3d8/0x1580 [ 3587.106933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3587.106933][ T10] ip6_route_add+0x1c/0x140 [ 3587.106933][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3587.106933][ T10] addrconf_add_dev+0xe2/0x170 [ 3587.106933][ T10] inet6_addr_add+0x12f/0xa40 [ 3587.106933][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3587.106933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.106933][ T10] netlink_rcv_skb+0x130/0x360 [ 3587.106933][ T10] netlink_unicast+0x449/0x710 [ 3587.106933][ T10] netlink_sendmsg+0x723/0xbe0 [ 3587.106933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3587.106933][ T10] ___sys_sendmsg+0xee/0x170 [ 3587.106933][ T10] __sys_sendmsg+0xcd/0x170 [ 3587.106933][ T10] do_syscall_64+0xc6/0x1e0 [ 3587.106933][ T10] [ 3587.108899][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3587.108899][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3587.108899][ T10] ipv6_find_idev+0x102/0x170 [ 3587.108899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3587.108899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.108899][ T10] netlink_rcv_skb+0x130/0x360 [ 3587.108899][ T10] netlink_unicast+0x449/0x710 [ 3587.108899][ T10] netlink_sendmsg+0x723/0xbe0 [ 3587.108899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3587.108899][ T10] ___sys_sendmsg+0xee/0x170 [ 3587.108899][ T10] __sys_sendmsg+0xcd/0x170 [ 3587.108899][ T10] do_syscall_64+0xc6/0x1e0 [ 3587.108899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3587.108899][ T10] [ 3587.110442][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3587.110442][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3587.110442][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3587.110442][ T10] ipv6_find_idev+0x102/0x170 [ 3587.110442][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3587.110442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.110442][ T10] netlink_rcv_skb+0x130/0x360 [ 3587.110442][ T10] netlink_unicast+0x449/0x710 [ 3587.110442][ T10] netlink_sendmsg+0x723/0xbe0 [ 3587.110442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3587.110442][ T10] ___sys_sendmsg+0xee/0x170 [ 3587.110442][ T10] __sys_sendmsg+0xcd/0x170 [ 3587.110442][ T10] do_syscall_64+0xc6/0x1e0 [ 3587.110442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3587.110442][ T10] [ 3587.112141][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3587.112375][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3587.112375][ T10] netdev_get_by_index+0x5e/0x80 [ 3587.112375][ T10] fib6_nh_init+0x3d8/0x1580 [ 3587.112375][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3587.112375][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3587.112375][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3587.112375][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3587.112375][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3587.112375][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3587.112375][ T10] addrconf_dad_begin+0x310/0x670 [ 3587.112375][ T10] addrconf_dad_work+0x10b/0xab0 [ 3587.112375][ T10] process_one_work+0x84d/0x18a0 [ 3587.112375][ T10] worker_thread+0x587/0xd30 [ 3587.112375][ T10] kthread+0x28a/0x350 [ 3587.112375][ T10] ret_from_fork+0x31/0x70 [ 3587.112375][ T10] ret_from_fork_asm+0x1a/0x30 [ 3587.112375][ T10] [ 3587.114296][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3587.114296][ T10] netdev_get_by_index+0x5e/0x80 [ 3587.114296][ T10] fib6_nh_init+0x3d8/0x1580 [ 3587.114296][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3587.114296][ T10] ip6_route_add+0x1c/0x140 [ 3587.114296][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3587.114296][ T10] inet6_addr_add+0x4f8/0xa40 [ 3587.114296][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3587.114296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.114296][ T10] netlink_rcv_skb+0x130/0x360 [ 3587.114296][ T10] netlink_unicast+0x449/0x710 [ 3587.114296][ T10] netlink_sendmsg+0x723/0xbe0 [ 3587.114296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3587.114296][ T10] ___sys_sendmsg+0xee/0x170 [ 3587.114296][ T10] __sys_sendmsg+0xcd/0x170 [ 3587.114296][ T10] do_syscall_64+0xc6/0x1e0 [ 3587.114296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3587.114296][ T10] [ 3587.116475][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3587.116475][ T10] netdev_get_by_index+0x5e/0x80 [ 3587.116475][ T10] fib6_nh_init+0x3d8/0x1580 [ 3587.116475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3587.116475][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3587.116475][ T10] ipv6_add_addr+0x411/0x2000 [ 3587.116475][ T10] inet6_addr_add+0x30e/0xa40 [ 3587.116475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3587.116475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.116475][ T10] netlink_rcv_skb+0x130/0x360 [ 3587.116475][ T10] netlink_unicast+0x449/0x710 [ 3587.116475][ T10] netlink_sendmsg+0x723/0xbe0 [ 3587.116475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3587.116475][ T10] ___sys_sendmsg+0xee/0x170 [ 3587.116475][ T10] __sys_sendmsg+0xcd/0x170 [ 3587.116475][ T10] do_syscall_64+0xc6/0x1e0 [ 3587.116475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3587.116475][ T10] [ 3587.118908][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3587.118908][ T10] netdev_get_by_index+0x5e/0x80 [ 3587.118908][ T10] fib6_nh_init+0x3d8/0x1580 [ 3587.118908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3587.118908][ T10] ip6_route_add+0x1c/0x140 [ 3587.118908][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3587.118908][ T10] addrconf_add_dev+0xe2/0x170 [ 3587.118908][ T10] inet6_addr_add+0x12f/0xa40 [ 3587.118908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3587.118908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.118908][ T10] netlink_rcv_skb+0x130/0x360 [ 3587.118908][ T10] netlink_unicast+0x449/0x710 [ 3587.118908][ T10] netlink_sendmsg+0x723/0xbe0 [ 3587.118908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3587.118908][ T10] ___sys_sendmsg+0xee/0x170 [ 3587.118908][ T10] __sys_sendmsg+0xcd/0x170 [ 3587.118908][ T10] do_syscall_64+0xc6/0x1e0 [ 3587.118908][ T10] [ 3587.121083][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3587.121083][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3587.121083][ T10] ipv6_find_idev+0x102/0x170 [ 3587.121083][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3587.121083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.121083][ T10] netlink_rcv_skb+0x130/0x360 [ 3587.121083][ T10] netlink_unicast+0x449/0x710 [ 3587.121083][ T10] netlink_sendmsg+0x723/0xbe0 [ 3587.121083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3587.121083][ T10] ___sys_sendmsg+0xee/0x170 [ 3587.121083][ T10] __sys_sendmsg+0xcd/0x170 [ 3587.121083][ T10] do_syscall_64+0xc6/0x1e0 [ 3587.121083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3587.121083][ T10] [ 3587.122831][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3587.122831][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3587.122831][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3587.122831][ T10] ipv6_find_idev+0x102/0x170 [ 3587.122831][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3587.122831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.122831][ T10] netlink_rcv_skb+0x130/0x360 [ 3587.122831][ T10] netlink_unicast+0x449/0x710 [ 3587.122831][ T10] netlink_sendmsg+0x723/0xbe0 [ 3587.122831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3587.122831][ T10] ___sys_sendmsg+0xee/0x170 [ 3587.122831][ T10] __sys_sendmsg+0xcd/0x170 [ 3587.122831][ T10] do_syscall_64+0xc6/0x1e0 [ 3587.122831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3587.122831][ T10] [ 3587.124744][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3587.124999][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3587.124999][ T10] netdev_get_by_index+0x5e/0x80 [ 3587.124999][ T10] fib6_nh_init+0x3d8/0x1580 [ 3587.124999][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3587.124999][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3587.124999][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3587.124999][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3587.124999][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3587.124999][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3587.124999][ T10] addrconf_dad_begin+0x310/0x670 [ 3587.124999][ T10] addrconf_dad_work+0x10b/0xab0 [ 3587.124999][ T10] process_one_work+0x84d/0x18a0 [ 3587.124999][ T10] worker_thread+0x587/0xd30 [ 3587.124999][ T10] kthread+0x28a/0x350 [ 3587.124999][ T10] ret_from_fork+0x31/0x70 [ 3587.124999][ T10] ret_from_fork_asm+0x1a/0x30 [ 3587.124999][ T10] [ 3587.127225][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3587.127225][ T10] netdev_get_by_index+0x5e/0x80 [ 3587.127225][ T10] fib6_nh_init+0x3d8/0x1580 [ 3587.127225][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3587.127225][ T10] ip6_route_add+0x1c/0x140 [ 3587.127225][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3587.127225][ T10] inet6_addr_add+0x4f8/0xa40 [ 3587.127225][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3587.127225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.127225][ T10] netlink_rcv_skb+0x130/0x360 [ 3587.127225][ T10] netlink_unicast+0x449/0x710 [ 3587.127225][ T10] netlink_sendmsg+0x723/0xbe0 [ 3587.127225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3587.127225][ T10] ___sys_sendmsg+0xee/0x170 [ 3587.127225][ T10] __sys_sendmsg+0xcd/0x170 [ 3587.127225][ T10] do_syscall_64+0xc6/0x1e0 [ 3587.127225][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3587.127225][ T10] [ 3587.129402][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3587.129402][ T10] netdev_get_by_index+0x5e/0x80 [ 3587.129402][ T10] fib6_nh_init+0x3d8/0x1580 [ 3587.129402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3587.129402][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3587.129402][ T10] ipv6_add_addr+0x411/0x2000 [ 3587.129402][ T10] inet6_addr_add+0x30e/0xa40 [ 3587.129402][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3587.129402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.129402][ T10] netlink_rcv_skb+0x130/0x360 [ 3587.129402][ T10] netlink_unicast+0x449/0x710 [ 3587.129402][ T10] netlink_sendmsg+0x723/0xbe0 [ 3587.129402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3587.129402][ T10] ___sys_sendmsg+0xee/0x170 [ 3587.129402][ T10] __sys_sendmsg+0xcd/0x170 [ 3587.129402][ T10] do_syscall_64+0xc6/0x1e0 [ 3587.129402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3587.129402][ T10] [ 3587.131650][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3587.131650][ T10] netdev_get_by_index+0x5e/0x80 [ 3587.131650][ T10] fib6_nh_init+0x3d8/0x1580 [ 3587.131650][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3587.131650][ T10] ip6_route_add+0x1c/0x140 [ 3587.131650][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3587.131650][ T10] addrconf_add_dev+0xe2/0x170 [ 3587.131650][ T10] inet6_addr_add+0x12f/0xa40 [ 3587.131650][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3587.131650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.131650][ T10] netlink_rcv_skb+0x130/0x360 [ 3587.131650][ T10] netlink_unicast+0x449/0x710 [ 3587.131650][ T10] netlink_sendmsg+0x723/0xbe0 [ 3587.131650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3587.131650][ T10] ___sys_sendmsg+0xee/0x170 [ 3587.131650][ T10] __sys_sendmsg+0xcd/0x170 [ 3587.131650][ T10] do_syscall_64+0xc6/0x1e0 [ 3587.131650][ T10] [ 3587.133862][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3587.133862][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3587.133862][ T10] ipv6_find_idev+0x102/0x170 [ 3587.133862][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3587.133862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.133862][ T10] netlink_rcv_skb+0x130/0x360 [ 3587.133862][ T10] netlink_unicast+0x449/0x710 [ 3587.133862][ T10] netlink_sendmsg+0x723/0xbe0 [ 3587.133862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3587.133862][ T10] ___sys_sendmsg+0xee/0x170 [ 3587.133862][ T10] __sys_sendmsg+0xcd/0x170 [ 3587.133862][ T10] do_syscall_64+0xc6/0x1e0 [ 3587.133862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3587.133862][ T10] [ 3587.135582][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3587.135582][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3587.135582][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3587.135582][ T10] ipv6_find_idev+0x102/0x170 [ 3587.135582][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3587.135582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.135582][ T10] netlink_rcv_skb+0x130/0x360 [ 3587.135582][ T10] netlink_unicast+0x449/0x710 [ 3587.135582][ T10] netlink_sendmsg+0x723/0xbe0 [ 3587.135582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3587.135582][ T10] ___sys_sendmsg+0xee/0x170 [ 3587.135582][ T10] __sys_sendmsg+0xcd/0x170 [ 3587.135582][ T10] do_syscall_64+0xc6/0x1e0 [ 3587.135582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3587.135582][ T10] [ 3596.777058][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3596.777587][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3596.777587][ T1167] dst_init+0x84/0x4a0 [ 3596.777587][ T1167] dst_alloc+0x97/0x150 [ 3596.777587][ T1167] ip6_dst_alloc+0x23/0x90 [ 3596.777587][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3596.777587][ T1167] ip6_pol_route+0x56f/0x840 [ 3596.777587][ T1167] fib6_rule_lookup+0x334/0x630 [ 3596.777587][ T1167] ip6_route_output_flags+0x259/0x480 [ 3596.777587][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3596.777587][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3596.777587][ T1167] netlink_rcv_skb+0x130/0x360 [ 3596.777587][ T1167] netlink_unicast+0x449/0x710 [ 3596.777587][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3596.777587][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3596.777587][ T1167] ___sys_sendmsg+0xee/0x170 [ 3596.777587][ T1167] __sys_sendmsg+0xcd/0x170 [ 3596.777587][ T1167] do_syscall_64+0xc6/0x1e0 [ 3596.777587][ T1167] [ 3596.779804][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3596.779804][ T1167] netdev_get_by_index+0x5e/0x80 [ 3596.779804][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3596.779804][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3596.779804][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3596.779804][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3596.779804][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3596.779804][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3596.779804][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3596.779804][ T1167] addrconf_dad_begin+0x310/0x670 [ 3596.779804][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3596.779804][ T1167] process_one_work+0x84d/0x18a0 [ 3596.779804][ T1167] worker_thread+0x587/0xd30 [ 3596.779804][ T1167] kthread+0x28a/0x350 [ 3596.779804][ T1167] ret_from_fork+0x31/0x70 [ 3596.779804][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3596.779804][ T1167] [ 3596.781986][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3596.781986][ T1167] netdev_get_by_index+0x5e/0x80 [ 3596.781986][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3596.781986][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3596.781986][ T1167] ip6_route_add+0x1c/0x140 [ 3596.781986][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3596.781986][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3596.781986][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3596.781986][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3596.781986][ T1167] netlink_rcv_skb+0x130/0x360 [ 3596.781986][ T1167] netlink_unicast+0x449/0x710 [ 3596.781986][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3596.781986][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3596.781986][ T1167] ___sys_sendmsg+0xee/0x170 [ 3596.781986][ T1167] __sys_sendmsg+0xcd/0x170 [ 3596.781986][ T1167] do_syscall_64+0xc6/0x1e0 [ 3596.781986][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3596.781986][ T1167] [ 3596.784243][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3596.784243][ T1167] netdev_get_by_index+0x5e/0x80 [ 3596.784243][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3596.784243][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3596.784243][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3596.784243][ T1167] ipv6_add_addr+0x411/0x2000 [ 3596.784243][ T1167] inet6_addr_add+0x30e/0xa40 [ 3596.784243][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3596.784243][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3596.784243][ T1167] netlink_rcv_skb+0x130/0x360 [ 3596.784243][ T1167] netlink_unicast+0x449/0x710 [ 3596.784243][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3596.784243][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3596.784243][ T1167] ___sys_sendmsg+0xee/0x170 [ 3596.784243][ T1167] __sys_sendmsg+0xcd/0x170 [ 3596.784243][ T1167] do_syscall_64+0xc6/0x1e0 [ 3596.784243][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3596.784243][ T1167] [ 3596.786514][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3596.786514][ T1167] netdev_get_by_index+0x5e/0x80 [ 3596.786514][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3596.786514][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3596.786514][ T1167] ip6_route_add+0x1c/0x140 [ 3596.786514][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3596.786514][ T1167] addrconf_add_dev+0xe2/0x170 [ 3596.786514][ T1167] inet6_addr_add+0x12f/0xa40 [ 3596.786514][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3596.786514][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3596.786514][ T1167] netlink_rcv_skb+0x130/0x360 [ 3596.786514][ T1167] netlink_unicast+0x449/0x710 [ 3596.786514][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3596.786514][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3596.786514][ T1167] ___sys_sendmsg+0xee/0x170 [ 3596.786514][ T1167] __sys_sendmsg+0xcd/0x170 [ 3596.786514][ T1167] do_syscall_64+0xc6/0x1e0 [ 3596.786514][ T1167] [ 3596.788737][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3596.788737][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3596.788737][ T1167] ipv6_find_idev+0x102/0x170 [ 3596.788737][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3596.788737][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3596.788737][ T1167] netlink_rcv_skb+0x130/0x360 [ 3596.788737][ T1167] netlink_unicast+0x449/0x710 [ 3596.788737][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3596.788737][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3596.788737][ T1167] ___sys_sendmsg+0xee/0x170 [ 3596.788737][ T1167] __sys_sendmsg+0xcd/0x170 [ 3596.788737][ T1167] do_syscall_64+0xc6/0x1e0 [ 3596.788737][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3596.788737][ T1167] [ 3596.790477][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3596.790477][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3596.790477][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3596.790477][ T1167] ipv6_find_idev+0x102/0x170 [ 3596.790477][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3596.790477][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3596.790477][ T1167] netlink_rcv_skb+0x130/0x360 [ 3596.790477][ T1167] netlink_unicast+0x449/0x710 [ 3596.790477][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3596.790477][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3596.790477][ T1167] ___sys_sendmsg+0xee/0x170 [ 3596.790477][ T1167] __sys_sendmsg+0xcd/0x170 [ 3596.790477][ T1167] do_syscall_64+0xc6/0x1e0 [ 3596.790477][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3596.790477][ T1167] [ 3597.377133][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3597.377548][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3597.377548][ T10] netdev_get_by_index+0x5e/0x80 [ 3597.377548][ T10] fib6_nh_init+0x3d8/0x1580 [ 3597.377548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3597.377548][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3597.377548][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3597.377548][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3597.377548][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3597.377548][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3597.377548][ T10] addrconf_dad_begin+0x310/0x670 [ 3597.377548][ T10] addrconf_dad_work+0x10b/0xab0 [ 3597.377548][ T10] process_one_work+0x84d/0x18a0 [ 3597.377548][ T10] worker_thread+0x587/0xd30 [ 3597.377548][ T10] kthread+0x28a/0x350 [ 3597.377548][ T10] ret_from_fork+0x31/0x70 [ 3597.377548][ T10] ret_from_fork_asm+0x1a/0x30 [ 3597.377548][ T10] [ 3597.379506][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3597.379506][ T10] netdev_get_by_index+0x5e/0x80 [ 3597.379506][ T10] fib6_nh_init+0x3d8/0x1580 [ 3597.379506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3597.379506][ T10] ip6_route_add+0x1c/0x140 [ 3597.379506][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3597.379506][ T10] inet6_addr_add+0x4f8/0xa40 [ 3597.379506][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3597.379506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.379506][ T10] netlink_rcv_skb+0x130/0x360 [ 3597.379506][ T10] netlink_unicast+0x449/0x710 [ 3597.379506][ T10] netlink_sendmsg+0x723/0xbe0 [ 3597.379506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3597.379506][ T10] ___sys_sendmsg+0xee/0x170 [ 3597.379506][ T10] __sys_sendmsg+0xcd/0x170 [ 3597.379506][ T10] do_syscall_64+0xc6/0x1e0 [ 3597.379506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3597.379506][ T10] [ 3597.381526][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3597.381526][ T10] netdev_get_by_index+0x5e/0x80 [ 3597.381526][ T10] fib6_nh_init+0x3d8/0x1580 [ 3597.381526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3597.381526][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3597.381526][ T10] ipv6_add_addr+0x411/0x2000 [ 3597.381526][ T10] inet6_addr_add+0x30e/0xa40 [ 3597.381526][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3597.381526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.381526][ T10] netlink_rcv_skb+0x130/0x360 [ 3597.381526][ T10] netlink_unicast+0x449/0x710 [ 3597.381526][ T10] netlink_sendmsg+0x723/0xbe0 [ 3597.381526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3597.381526][ T10] ___sys_sendmsg+0xee/0x170 [ 3597.381526][ T10] __sys_sendmsg+0xcd/0x170 [ 3597.381526][ T10] do_syscall_64+0xc6/0x1e0 [ 3597.381526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3597.381526][ T10] [ 3597.383523][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3597.383523][ T10] netdev_get_by_index+0x5e/0x80 [ 3597.383523][ T10] fib6_nh_init+0x3d8/0x1580 [ 3597.383523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3597.383523][ T10] ip6_route_add+0x1c/0x140 [ 3597.383523][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3597.383523][ T10] addrconf_add_dev+0xe2/0x170 [ 3597.383523][ T10] inet6_addr_add+0x12f/0xa40 [ 3597.383523][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3597.383523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.383523][ T10] netlink_rcv_skb+0x130/0x360 [ 3597.383523][ T10] netlink_unicast+0x449/0x710 [ 3597.383523][ T10] netlink_sendmsg+0x723/0xbe0 [ 3597.383523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3597.383523][ T10] ___sys_sendmsg+0xee/0x170 [ 3597.383523][ T10] __sys_sendmsg+0xcd/0x170 [ 3597.383523][ T10] do_syscall_64+0xc6/0x1e0 [ 3597.383523][ T10] [ 3597.385476][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3597.385476][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3597.385476][ T10] ipv6_find_idev+0x102/0x170 [ 3597.385476][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3597.385476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.385476][ T10] netlink_rcv_skb+0x130/0x360 [ 3597.385476][ T10] netlink_unicast+0x449/0x710 [ 3597.385476][ T10] netlink_sendmsg+0x723/0xbe0 [ 3597.385476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3597.385476][ T10] ___sys_sendmsg+0xee/0x170 [ 3597.385476][ T10] __sys_sendmsg+0xcd/0x170 [ 3597.385476][ T10] do_syscall_64+0xc6/0x1e0 [ 3597.385476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3597.385476][ T10] [ 3597.387022][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3597.387022][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3597.387022][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3597.387022][ T10] ipv6_find_idev+0x102/0x170 [ 3597.387022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3597.387022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.387022][ T10] netlink_rcv_skb+0x130/0x360 [ 3597.387022][ T10] netlink_unicast+0x449/0x710 [ 3597.387022][ T10] netlink_sendmsg+0x723/0xbe0 [ 3597.387022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3597.387022][ T10] ___sys_sendmsg+0xee/0x170 [ 3597.387022][ T10] __sys_sendmsg+0xcd/0x170 [ 3597.387022][ T10] do_syscall_64+0xc6/0x1e0 [ 3597.387022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3597.387022][ T10] [ 3597.388699][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3597.388944][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3597.388944][ T10] netdev_get_by_index+0x5e/0x80 [ 3597.388944][ T10] fib6_nh_init+0x3d8/0x1580 [ 3597.388944][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3597.388944][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3597.388944][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3597.388944][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3597.388944][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3597.388944][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3597.388944][ T10] addrconf_dad_begin+0x310/0x670 [ 3597.388944][ T10] addrconf_dad_work+0x10b/0xab0 [ 3597.388944][ T10] process_one_work+0x84d/0x18a0 [ 3597.388944][ T10] worker_thread+0x587/0xd30 [ 3597.388944][ T10] kthread+0x28a/0x350 [ 3597.388944][ T10] ret_from_fork+0x31/0x70 [ 3597.388944][ T10] ret_from_fork_asm+0x1a/0x30 [ 3597.388944][ T10] [ 3597.390845][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3597.390845][ T10] netdev_get_by_index+0x5e/0x80 [ 3597.390845][ T10] fib6_nh_init+0x3d8/0x1580 [ 3597.390845][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3597.390845][ T10] ip6_route_add+0x1c/0x140 [ 3597.390845][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3597.390845][ T10] inet6_addr_add+0x4f8/0xa40 [ 3597.390845][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3597.390845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.390845][ T10] netlink_rcv_skb+0x130/0x360 [ 3597.390845][ T10] netlink_unicast+0x449/0x710 [ 3597.390845][ T10] netlink_sendmsg+0x723/0xbe0 [ 3597.390845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3597.390845][ T10] ___sys_sendmsg+0xee/0x170 [ 3597.390845][ T10] __sys_sendmsg+0xcd/0x170 [ 3597.390845][ T10] do_syscall_64+0xc6/0x1e0 [ 3597.390845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3597.390845][ T10] [ 3597.392847][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3597.392847][ T10] netdev_get_by_index+0x5e/0x80 [ 3597.392847][ T10] fib6_nh_init+0x3d8/0x1580 [ 3597.392847][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3597.392847][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3597.392847][ T10] ipv6_add_addr+0x411/0x2000 [ 3597.392847][ T10] inet6_addr_add+0x30e/0xa40 [ 3597.392847][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3597.392847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.392847][ T10] netlink_rcv_skb+0x130/0x360 [ 3597.392847][ T10] netlink_unicast+0x449/0x710 [ 3597.392847][ T10] netlink_sendmsg+0x723/0xbe0 [ 3597.392847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3597.392847][ T10] ___sys_sendmsg+0xee/0x170 [ 3597.392847][ T10] __sys_sendmsg+0xcd/0x170 [ 3597.392847][ T10] do_syscall_64+0xc6/0x1e0 [ 3597.392847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3597.392847][ T10] [ 3597.394830][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3597.394830][ T10] netdev_get_by_index+0x5e/0x80 [ 3597.394830][ T10] fib6_nh_init+0x3d8/0x1580 [ 3597.394830][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3597.394830][ T10] ip6_route_add+0x1c/0x140 [ 3597.394830][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3597.394830][ T10] addrconf_add_dev+0xe2/0x170 [ 3597.394830][ T10] inet6_addr_add+0x12f/0xa40 [ 3597.394830][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3597.394830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.394830][ T10] netlink_rcv_skb+0x130/0x360 [ 3597.394830][ T10] netlink_unicast+0x449/0x710 [ 3597.394830][ T10] netlink_sendmsg+0x723/0xbe0 [ 3597.394830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3597.394830][ T10] ___sys_sendmsg+0xee/0x170 [ 3597.394830][ T10] __sys_sendmsg+0xcd/0x170 [ 3597.394830][ T10] do_syscall_64+0xc6/0x1e0 [ 3597.394830][ T10] [ 3597.396782][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3597.396782][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3597.396782][ T10] ipv6_find_idev+0x102/0x170 [ 3597.396782][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3597.396782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.396782][ T10] netlink_rcv_skb+0x130/0x360 [ 3597.396782][ T10] netlink_unicast+0x449/0x710 [ 3597.396782][ T10] netlink_sendmsg+0x723/0xbe0 [ 3597.396782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3597.396782][ T10] ___sys_sendmsg+0xee/0x170 [ 3597.396782][ T10] __sys_sendmsg+0xcd/0x170 [ 3597.396782][ T10] do_syscall_64+0xc6/0x1e0 [ 3597.396782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3597.396782][ T10] [ 3597.398300][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3597.398300][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3597.398300][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3597.398300][ T10] ipv6_find_idev+0x102/0x170 [ 3597.398300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3597.398300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.398300][ T10] netlink_rcv_skb+0x130/0x360 [ 3597.398300][ T10] netlink_unicast+0x449/0x710 [ 3597.398300][ T10] netlink_sendmsg+0x723/0xbe0 [ 3597.398300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3597.398300][ T10] ___sys_sendmsg+0xee/0x170 [ 3597.398300][ T10] __sys_sendmsg+0xcd/0x170 [ 3597.398300][ T10] do_syscall_64+0xc6/0x1e0 [ 3597.398300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3597.398300][ T10] [ 3597.399963][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3597.400207][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3597.400207][ T10] netdev_get_by_index+0x5e/0x80 [ 3597.400207][ T10] fib6_nh_init+0x3d8/0x1580 [ 3597.400207][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3597.400207][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3597.400207][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3597.400207][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3597.400207][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3597.400207][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3597.400207][ T10] addrconf_dad_begin+0x310/0x670 [ 3597.400207][ T10] addrconf_dad_work+0x10b/0xab0 [ 3597.400207][ T10] process_one_work+0x84d/0x18a0 [ 3597.400207][ T10] worker_thread+0x587/0xd30 [ 3597.400207][ T10] kthread+0x28a/0x350 [ 3597.400207][ T10] ret_from_fork+0x31/0x70 [ 3597.400207][ T10] ret_from_fork_asm+0x1a/0x30 [ 3597.400207][ T10] [ 3597.402119][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3597.402119][ T10] netdev_get_by_index+0x5e/0x80 [ 3597.402119][ T10] fib6_nh_init+0x3d8/0x1580 [ 3597.402119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3597.402119][ T10] ip6_route_add+0x1c/0x140 [ 3597.402119][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3597.402119][ T10] inet6_addr_add+0x4f8/0xa40 [ 3597.402119][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3597.402119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.402119][ T10] netlink_rcv_skb+0x130/0x360 [ 3597.402119][ T10] netlink_unicast+0x449/0x710 [ 3597.402119][ T10] netlink_sendmsg+0x723/0xbe0 [ 3597.402119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3597.402119][ T10] ___sys_sendmsg+0xee/0x170 [ 3597.402119][ T10] __sys_sendmsg+0xcd/0x170 [ 3597.402119][ T10] do_syscall_64+0xc6/0x1e0 [ 3597.402119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3597.402119][ T10] [ 3597.404278][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3597.404278][ T10] netdev_get_by_index+0x5e/0x80 [ 3597.404278][ T10] fib6_nh_init+0x3d8/0x1580 [ 3597.404278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3597.404278][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3597.404278][ T10] ipv6_add_addr+0x411/0x2000 [ 3597.404278][ T10] inet6_addr_add+0x30e/0xa40 [ 3597.404278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3597.404278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.404278][ T10] netlink_rcv_skb+0x130/0x360 [ 3597.404278][ T10] netlink_unicast+0x449/0x710 [ 3597.404278][ T10] netlink_sendmsg+0x723/0xbe0 [ 3597.404278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3597.404278][ T10] ___sys_sendmsg+0xee/0x170 [ 3597.404278][ T10] __sys_sendmsg+0xcd/0x170 [ 3597.404278][ T10] do_syscall_64+0xc6/0x1e0 [ 3597.404278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3597.404278][ T10] [ 3597.406551][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3597.406551][ T10] netdev_get_by_index+0x5e/0x80 [ 3597.406551][ T10] fib6_nh_init+0x3d8/0x1580 [ 3597.406551][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3597.406551][ T10] ip6_route_add+0x1c/0x140 [ 3597.406551][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3597.406551][ T10] addrconf_add_dev+0xe2/0x170 [ 3597.406551][ T10] inet6_addr_add+0x12f/0xa40 [ 3597.406551][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3597.406551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.406551][ T10] netlink_rcv_skb+0x130/0x360 [ 3597.406551][ T10] netlink_unicast+0x449/0x710 [ 3597.406551][ T10] netlink_sendmsg+0x723/0xbe0 [ 3597.406551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3597.406551][ T10] ___sys_sendmsg+0xee/0x170 [ 3597.406551][ T10] __sys_sendmsg+0xcd/0x170 [ 3597.406551][ T10] do_syscall_64+0xc6/0x1e0 [ 3597.406551][ T10] [ 3597.408791][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3597.408791][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3597.408791][ T10] ipv6_find_idev+0x102/0x170 [ 3597.408791][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3597.408791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.408791][ T10] netlink_rcv_skb+0x130/0x360 [ 3597.408791][ T10] netlink_unicast+0x449/0x710 [ 3597.408791][ T10] netlink_sendmsg+0x723/0xbe0 [ 3597.408791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3597.408791][ T10] ___sys_sendmsg+0xee/0x170 [ 3597.408791][ T10] __sys_sendmsg+0xcd/0x170 [ 3597.408791][ T10] do_syscall_64+0xc6/0x1e0 [ 3597.408791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3597.408791][ T10] [ 3597.410513][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3597.410513][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3597.410513][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3597.410513][ T10] ipv6_find_idev+0x102/0x170 [ 3597.410513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3597.410513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.410513][ T10] netlink_rcv_skb+0x130/0x360 [ 3597.410513][ T10] netlink_unicast+0x449/0x710 [ 3597.410513][ T10] netlink_sendmsg+0x723/0xbe0 [ 3597.410513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3597.410513][ T10] ___sys_sendmsg+0xee/0x170 [ 3597.410513][ T10] __sys_sendmsg+0xcd/0x170 [ 3597.410513][ T10] do_syscall_64+0xc6/0x1e0 [ 3597.410513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3597.410513][ T10] [ 3597.412441][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3597.412673][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3597.412673][ T10] netdev_get_by_index+0x5e/0x80 [ 3597.412673][ T10] fib6_nh_init+0x3d8/0x1580 [ 3597.412673][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3597.412673][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3597.412673][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3597.412673][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3597.412673][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3597.412673][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3597.412673][ T10] addrconf_dad_begin+0x310/0x670 [ 3597.412673][ T10] addrconf_dad_work+0x10b/0xab0 [ 3597.412673][ T10] process_one_work+0x84d/0x18a0 [ 3597.412673][ T10] worker_thread+0x587/0xd30 [ 3597.412673][ T10] kthread+0x28a/0x350 [ 3597.412673][ T10] ret_from_fork+0x31/0x70 [ 3597.412673][ T10] ret_from_fork_asm+0x1a/0x30 [ 3597.412673][ T10] [ 3597.414900][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3597.414900][ T10] netdev_get_by_index+0x5e/0x80 [ 3597.414900][ T10] fib6_nh_init+0x3d8/0x1580 [ 3597.414900][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3597.414900][ T10] ip6_route_add+0x1c/0x140 [ 3597.414900][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3597.414900][ T10] inet6_addr_add+0x4f8/0xa40 [ 3597.414900][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3597.414900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.414900][ T10] netlink_rcv_skb+0x130/0x360 [ 3597.414900][ T10] netlink_unicast+0x449/0x710 [ 3597.414900][ T10] netlink_sendmsg+0x723/0xbe0 [ 3597.414900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3597.414900][ T10] ___sys_sendmsg+0xee/0x170 [ 3597.414900][ T10] __sys_sendmsg+0xcd/0x170 [ 3597.414900][ T10] do_syscall_64+0xc6/0x1e0 [ 3597.414900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3597.414900][ T10] [ 3597.417072][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3597.417072][ T10] netdev_get_by_index+0x5e/0x80 [ 3597.417072][ T10] fib6_nh_init+0x3d8/0x1580 [ 3597.417072][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3597.417072][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3597.417072][ T10] ipv6_add_addr+0x411/0x2000 [ 3597.417072][ T10] inet6_addr_add+0x30e/0xa40 [ 3597.417072][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3597.417072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.417072][ T10] netlink_rcv_skb+0x130/0x360 [ 3597.417072][ T10] netlink_unicast+0x449/0x710 [ 3597.417072][ T10] netlink_sendmsg+0x723/0xbe0 [ 3597.417072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3597.417072][ T10] ___sys_sendmsg+0xee/0x170 [ 3597.417072][ T10] __sys_sendmsg+0xcd/0x170 [ 3597.417072][ T10] do_syscall_64+0xc6/0x1e0 [ 3597.417072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3597.417072][ T10] [ 3597.419346][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3597.419346][ T10] netdev_get_by_index+0x5e/0x80 [ 3597.419346][ T10] fib6_nh_init+0x3d8/0x1580 [ 3597.419346][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3597.419346][ T10] ip6_route_add+0x1c/0x140 [ 3597.419346][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3597.419346][ T10] addrconf_add_dev+0xe2/0x170 [ 3597.419346][ T10] inet6_addr_add+0x12f/0xa40 [ 3597.419346][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3597.419346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.419346][ T10] netlink_rcv_skb+0x130/0x360 [ 3597.419346][ T10] netlink_unicast+0x449/0x710 [ 3597.419346][ T10] netlink_sendmsg+0x723/0xbe0 [ 3597.419346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3597.419346][ T10] ___sys_sendmsg+0xee/0x170 [ 3597.419346][ T10] __sys_sendmsg+0xcd/0x170 [ 3597.419346][ T10] do_syscall_64+0xc6/0x1e0 [ 3597.419346][ T10] [ 3597.421555][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3597.421555][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3597.421555][ T10] ipv6_find_idev+0x102/0x170 [ 3597.421555][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3597.421555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.421555][ T10] netlink_rcv_skb+0x130/0x360 [ 3597.421555][ T10] netlink_unicast+0x449/0x710 [ 3597.421555][ T10] netlink_sendmsg+0x723/0xbe0 [ 3597.421555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3597.421555][ T10] ___sys_sendmsg+0xee/0x170 [ 3597.421555][ T10] __sys_sendmsg+0xcd/0x170 [ 3597.421555][ T10] do_syscall_64+0xc6/0x1e0 [ 3597.421555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3597.421555][ T10] [ 3597.423279][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3597.423279][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3597.423279][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3597.423279][ T10] ipv6_find_idev+0x102/0x170 [ 3597.423279][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3597.423279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.423279][ T10] netlink_rcv_skb+0x130/0x360 [ 3597.423279][ T10] netlink_unicast+0x449/0x710 [ 3597.423279][ T10] netlink_sendmsg+0x723/0xbe0 [ 3597.423279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3597.423279][ T10] ___sys_sendmsg+0xee/0x170 [ 3597.423279][ T10] __sys_sendmsg+0xcd/0x170 [ 3597.423279][ T10] do_syscall_64+0xc6/0x1e0 [ 3597.423279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3597.423279][ T10] [ 3606.993118][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3606.993602][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3606.993602][ T1167] dst_init+0x84/0x4a0 [ 3606.993602][ T1167] dst_alloc+0x97/0x150 [ 3606.993602][ T1167] ip6_dst_alloc+0x23/0x90 [ 3606.993602][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3606.993602][ T1167] ip6_pol_route+0x56f/0x840 [ 3606.993602][ T1167] fib6_rule_lookup+0x334/0x630 [ 3606.993602][ T1167] ip6_route_output_flags+0x259/0x480 [ 3606.993602][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3606.993602][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3606.993602][ T1167] netlink_rcv_skb+0x130/0x360 [ 3606.993602][ T1167] netlink_unicast+0x449/0x710 [ 3606.993602][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3606.993602][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3606.993602][ T1167] ___sys_sendmsg+0xee/0x170 [ 3606.993602][ T1167] __sys_sendmsg+0xcd/0x170 [ 3606.993602][ T1167] do_syscall_64+0xc6/0x1e0 [ 3606.993602][ T1167] [ 3606.995846][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3606.995846][ T1167] netdev_get_by_index+0x5e/0x80 [ 3606.995846][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3606.995846][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3606.995846][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3606.995846][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3606.995846][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3606.995846][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3606.995846][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3606.995846][ T1167] addrconf_dad_begin+0x310/0x670 [ 3606.995846][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3606.995846][ T1167] process_one_work+0x84d/0x18a0 [ 3606.995846][ T1167] worker_thread+0x587/0xd30 [ 3606.995846][ T1167] kthread+0x28a/0x350 [ 3606.995846][ T1167] ret_from_fork+0x31/0x70 [ 3606.995846][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3606.995846][ T1167] [ 3606.998022][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3606.998022][ T1167] netdev_get_by_index+0x5e/0x80 [ 3606.998022][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3606.998022][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3606.998022][ T1167] ip6_route_add+0x1c/0x140 [ 3606.998022][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3606.998022][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3606.998022][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3606.998022][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3606.998022][ T1167] netlink_rcv_skb+0x130/0x360 [ 3606.998022][ T1167] netlink_unicast+0x449/0x710 [ 3606.998022][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3606.998022][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3606.998022][ T1167] ___sys_sendmsg+0xee/0x170 [ 3606.998022][ T1167] __sys_sendmsg+0xcd/0x170 [ 3606.998022][ T1167] do_syscall_64+0xc6/0x1e0 [ 3606.998022][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3606.998022][ T1167] [ 3607.000282][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3607.000282][ T1167] netdev_get_by_index+0x5e/0x80 [ 3607.000282][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3607.000282][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3607.000282][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3607.000282][ T1167] ipv6_add_addr+0x411/0x2000 [ 3607.000282][ T1167] inet6_addr_add+0x30e/0xa40 [ 3607.000282][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3607.000282][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.000282][ T1167] netlink_rcv_skb+0x130/0x360 [ 3607.000282][ T1167] netlink_unicast+0x449/0x710 [ 3607.000282][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3607.000282][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3607.000282][ T1167] ___sys_sendmsg+0xee/0x170 [ 3607.000282][ T1167] __sys_sendmsg+0xcd/0x170 [ 3607.000282][ T1167] do_syscall_64+0xc6/0x1e0 [ 3607.000282][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.000282][ T1167] [ 3607.002533][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3607.002533][ T1167] netdev_get_by_index+0x5e/0x80 [ 3607.002533][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3607.002533][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3607.002533][ T1167] ip6_route_add+0x1c/0x140 [ 3607.002533][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3607.002533][ T1167] addrconf_add_dev+0xe2/0x170 [ 3607.002533][ T1167] inet6_addr_add+0x12f/0xa40 [ 3607.002533][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3607.002533][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.002533][ T1167] netlink_rcv_skb+0x130/0x360 [ 3607.002533][ T1167] netlink_unicast+0x449/0x710 [ 3607.002533][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3607.002533][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3607.002533][ T1167] ___sys_sendmsg+0xee/0x170 [ 3607.002533][ T1167] __sys_sendmsg+0xcd/0x170 [ 3607.002533][ T1167] do_syscall_64+0xc6/0x1e0 [ 3607.002533][ T1167] [ 3607.004786][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3607.004786][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3607.004786][ T1167] ipv6_find_idev+0x102/0x170 [ 3607.004786][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3607.004786][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.004786][ T1167] netlink_rcv_skb+0x130/0x360 [ 3607.004786][ T1167] netlink_unicast+0x449/0x710 [ 3607.004786][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3607.004786][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3607.004786][ T1167] ___sys_sendmsg+0xee/0x170 [ 3607.004786][ T1167] __sys_sendmsg+0xcd/0x170 [ 3607.004786][ T1167] do_syscall_64+0xc6/0x1e0 [ 3607.004786][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.004786][ T1167] [ 3607.006524][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3607.006524][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3607.006524][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3607.006524][ T1167] ipv6_find_idev+0x102/0x170 [ 3607.006524][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3607.006524][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.006524][ T1167] netlink_rcv_skb+0x130/0x360 [ 3607.006524][ T1167] netlink_unicast+0x449/0x710 [ 3607.006524][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3607.006524][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3607.006524][ T1167] ___sys_sendmsg+0xee/0x170 [ 3607.006524][ T1167] __sys_sendmsg+0xcd/0x170 [ 3607.006524][ T1167] do_syscall_64+0xc6/0x1e0 [ 3607.006524][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.006524][ T1167] [ 3607.505145][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3607.505609][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3607.505609][ T10] netdev_get_by_index+0x5e/0x80 [ 3607.505609][ T10] fib6_nh_init+0x3d8/0x1580 [ 3607.505609][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3607.505609][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3607.505609][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3607.505609][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3607.505609][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3607.505609][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3607.505609][ T10] addrconf_dad_begin+0x310/0x670 [ 3607.505609][ T10] addrconf_dad_work+0x10b/0xab0 [ 3607.505609][ T10] process_one_work+0x84d/0x18a0 [ 3607.505609][ T10] worker_thread+0x587/0xd30 [ 3607.505609][ T10] kthread+0x28a/0x350 [ 3607.505609][ T10] ret_from_fork+0x31/0x70 [ 3607.505609][ T10] ret_from_fork_asm+0x1a/0x30 [ 3607.505609][ T10] [ 3607.507596][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3607.507596][ T10] netdev_get_by_index+0x5e/0x80 [ 3607.507596][ T10] fib6_nh_init+0x3d8/0x1580 [ 3607.507596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3607.507596][ T10] ip6_route_add+0x1c/0x140 [ 3607.507596][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3607.507596][ T10] inet6_addr_add+0x4f8/0xa40 [ 3607.507596][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3607.507596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.507596][ T10] netlink_rcv_skb+0x130/0x360 [ 3607.507596][ T10] netlink_unicast+0x449/0x710 [ 3607.507596][ T10] netlink_sendmsg+0x723/0xbe0 [ 3607.507596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3607.507596][ T10] ___sys_sendmsg+0xee/0x170 [ 3607.507596][ T10] __sys_sendmsg+0xcd/0x170 [ 3607.507596][ T10] do_syscall_64+0xc6/0x1e0 [ 3607.507596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.507596][ T10] [ 3607.509648][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3607.509648][ T10] netdev_get_by_index+0x5e/0x80 [ 3607.509648][ T10] fib6_nh_init+0x3d8/0x1580 [ 3607.509648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3607.509648][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3607.509648][ T10] ipv6_add_addr+0x411/0x2000 [ 3607.509648][ T10] inet6_addr_add+0x30e/0xa40 [ 3607.509648][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3607.509648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.509648][ T10] netlink_rcv_skb+0x130/0x360 [ 3607.509648][ T10] netlink_unicast+0x449/0x710 [ 3607.509648][ T10] netlink_sendmsg+0x723/0xbe0 [ 3607.509648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3607.509648][ T10] ___sys_sendmsg+0xee/0x170 [ 3607.509648][ T10] __sys_sendmsg+0xcd/0x170 [ 3607.509648][ T10] do_syscall_64+0xc6/0x1e0 [ 3607.509648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.509648][ T10] [ 3607.511694][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3607.511694][ T10] netdev_get_by_index+0x5e/0x80 [ 3607.511694][ T10] fib6_nh_init+0x3d8/0x1580 [ 3607.511694][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3607.511694][ T10] ip6_route_add+0x1c/0x140 [ 3607.511694][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3607.511694][ T10] addrconf_add_dev+0xe2/0x170 [ 3607.511694][ T10] inet6_addr_add+0x12f/0xa40 [ 3607.511694][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3607.511694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.511694][ T10] netlink_rcv_skb+0x130/0x360 [ 3607.511694][ T10] netlink_unicast+0x449/0x710 [ 3607.511694][ T10] netlink_sendmsg+0x723/0xbe0 [ 3607.511694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3607.511694][ T10] ___sys_sendmsg+0xee/0x170 [ 3607.511694][ T10] __sys_sendmsg+0xcd/0x170 [ 3607.511694][ T10] do_syscall_64+0xc6/0x1e0 [ 3607.511694][ T10] [ 3607.513690][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3607.513690][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3607.513690][ T10] ipv6_find_idev+0x102/0x170 [ 3607.513690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3607.513690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.513690][ T10] netlink_rcv_skb+0x130/0x360 [ 3607.513690][ T10] netlink_unicast+0x449/0x710 [ 3607.513690][ T10] netlink_sendmsg+0x723/0xbe0 [ 3607.513690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3607.513690][ T10] ___sys_sendmsg+0xee/0x170 [ 3607.513690][ T10] __sys_sendmsg+0xcd/0x170 [ 3607.513690][ T10] do_syscall_64+0xc6/0x1e0 [ 3607.513690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.513690][ T10] [ 3607.515267][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3607.515267][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3607.515267][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3607.515267][ T10] ipv6_find_idev+0x102/0x170 [ 3607.515267][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3607.515267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.515267][ T10] netlink_rcv_skb+0x130/0x360 [ 3607.515267][ T10] netlink_unicast+0x449/0x710 [ 3607.515267][ T10] netlink_sendmsg+0x723/0xbe0 [ 3607.515267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3607.515267][ T10] ___sys_sendmsg+0xee/0x170 [ 3607.515267][ T10] __sys_sendmsg+0xcd/0x170 [ 3607.515267][ T10] do_syscall_64+0xc6/0x1e0 [ 3607.515267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.515267][ T10] [ 3607.517009][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3607.517257][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3607.517257][ T10] netdev_get_by_index+0x5e/0x80 [ 3607.517257][ T10] fib6_nh_init+0x3d8/0x1580 [ 3607.517257][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3607.517257][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3607.517257][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3607.517257][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3607.517257][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3607.517257][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3607.517257][ T10] addrconf_dad_begin+0x310/0x670 [ 3607.517257][ T10] addrconf_dad_work+0x10b/0xab0 [ 3607.517257][ T10] process_one_work+0x84d/0x18a0 [ 3607.517257][ T10] worker_thread+0x587/0xd30 [ 3607.517257][ T10] kthread+0x28a/0x350 [ 3607.517257][ T10] ret_from_fork+0x31/0x70 [ 3607.517257][ T10] ret_from_fork_asm+0x1a/0x30 [ 3607.517257][ T10] [ 3607.519207][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3607.519207][ T10] netdev_get_by_index+0x5e/0x80 [ 3607.519207][ T10] fib6_nh_init+0x3d8/0x1580 [ 3607.519207][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3607.519207][ T10] ip6_route_add+0x1c/0x140 [ 3607.519207][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3607.519207][ T10] inet6_addr_add+0x4f8/0xa40 [ 3607.519207][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3607.519207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.519207][ T10] netlink_rcv_skb+0x130/0x360 [ 3607.519207][ T10] netlink_unicast+0x449/0x710 [ 3607.519207][ T10] netlink_sendmsg+0x723/0xbe0 [ 3607.519207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3607.519207][ T10] ___sys_sendmsg+0xee/0x170 [ 3607.519207][ T10] __sys_sendmsg+0xcd/0x170 [ 3607.519207][ T10] do_syscall_64+0xc6/0x1e0 [ 3607.519207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.519207][ T10] [ 3607.521275][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3607.521275][ T10] netdev_get_by_index+0x5e/0x80 [ 3607.521275][ T10] fib6_nh_init+0x3d8/0x1580 [ 3607.521275][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3607.521275][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3607.521275][ T10] ipv6_add_addr+0x411/0x2000 [ 3607.521275][ T10] inet6_addr_add+0x30e/0xa40 [ 3607.521275][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3607.521275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.521275][ T10] netlink_rcv_skb+0x130/0x360 [ 3607.521275][ T10] netlink_unicast+0x449/0x710 [ 3607.521275][ T10] netlink_sendmsg+0x723/0xbe0 [ 3607.521275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3607.521275][ T10] ___sys_sendmsg+0xee/0x170 [ 3607.521275][ T10] __sys_sendmsg+0xcd/0x170 [ 3607.521275][ T10] do_syscall_64+0xc6/0x1e0 [ 3607.521275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.521275][ T10] [ 3607.523438][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3607.523438][ T10] netdev_get_by_index+0x5e/0x80 [ 3607.523438][ T10] fib6_nh_init+0x3d8/0x1580 [ 3607.523438][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3607.523438][ T10] ip6_route_add+0x1c/0x140 [ 3607.523438][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3607.523438][ T10] addrconf_add_dev+0xe2/0x170 [ 3607.523438][ T10] inet6_addr_add+0x12f/0xa40 [ 3607.523438][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3607.523438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.523438][ T10] netlink_rcv_skb+0x130/0x360 [ 3607.523438][ T10] netlink_unicast+0x449/0x710 [ 3607.523438][ T10] netlink_sendmsg+0x723/0xbe0 [ 3607.523438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3607.523438][ T10] ___sys_sendmsg+0xee/0x170 [ 3607.523438][ T10] __sys_sendmsg+0xcd/0x170 [ 3607.523438][ T10] do_syscall_64+0xc6/0x1e0 [ 3607.523438][ T10] [ 3607.525438][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3607.525438][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3607.525438][ T10] ipv6_find_idev+0x102/0x170 [ 3607.525438][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3607.525438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.525438][ T10] netlink_rcv_skb+0x130/0x360 [ 3607.525438][ T10] netlink_unicast+0x449/0x710 [ 3607.525438][ T10] netlink_sendmsg+0x723/0xbe0 [ 3607.525438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3607.525438][ T10] ___sys_sendmsg+0xee/0x170 [ 3607.525438][ T10] __sys_sendmsg+0xcd/0x170 [ 3607.525438][ T10] do_syscall_64+0xc6/0x1e0 [ 3607.525438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.525438][ T10] [ 3607.527017][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3607.527017][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3607.527017][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3607.527017][ T10] ipv6_find_idev+0x102/0x170 [ 3607.527017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3607.527017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.527017][ T10] netlink_rcv_skb+0x130/0x360 [ 3607.527017][ T10] netlink_unicast+0x449/0x710 [ 3607.527017][ T10] netlink_sendmsg+0x723/0xbe0 [ 3607.527017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3607.527017][ T10] ___sys_sendmsg+0xee/0x170 [ 3607.527017][ T10] __sys_sendmsg+0xcd/0x170 [ 3607.527017][ T10] do_syscall_64+0xc6/0x1e0 [ 3607.527017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.527017][ T10] [ 3607.528747][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3607.529011][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3607.529011][ T10] netdev_get_by_index+0x5e/0x80 [ 3607.529011][ T10] fib6_nh_init+0x3d8/0x1580 [ 3607.529011][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3607.529011][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3607.529011][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3607.529011][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3607.529011][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3607.529011][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3607.529011][ T10] addrconf_dad_begin+0x310/0x670 [ 3607.529011][ T10] addrconf_dad_work+0x10b/0xab0 [ 3607.529011][ T10] process_one_work+0x84d/0x18a0 [ 3607.529011][ T10] worker_thread+0x587/0xd30 [ 3607.529011][ T10] kthread+0x28a/0x350 [ 3607.529011][ T10] ret_from_fork+0x31/0x70 [ 3607.529011][ T10] ret_from_fork_asm+0x1a/0x30 [ 3607.529011][ T10] [ 3607.530954][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3607.530954][ T10] netdev_get_by_index+0x5e/0x80 [ 3607.530954][ T10] fib6_nh_init+0x3d8/0x1580 [ 3607.530954][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3607.530954][ T10] ip6_route_add+0x1c/0x140 [ 3607.530954][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3607.530954][ T10] inet6_addr_add+0x4f8/0xa40 [ 3607.530954][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3607.530954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.530954][ T10] netlink_rcv_skb+0x130/0x360 [ 3607.530954][ T10] netlink_unicast+0x449/0x710 [ 3607.530954][ T10] netlink_sendmsg+0x723/0xbe0 [ 3607.530954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3607.530954][ T10] ___sys_sendmsg+0xee/0x170 [ 3607.530954][ T10] __sys_sendmsg+0xcd/0x170 [ 3607.530954][ T10] do_syscall_64+0xc6/0x1e0 [ 3607.530954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.530954][ T10] [ 3607.533062][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3607.533062][ T10] netdev_get_by_index+0x5e/0x80 [ 3607.533062][ T10] fib6_nh_init+0x3d8/0x1580 [ 3607.533062][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3607.533062][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3607.533062][ T10] ipv6_add_addr+0x411/0x2000 [ 3607.533062][ T10] inet6_addr_add+0x30e/0xa40 [ 3607.533062][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3607.533062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.533062][ T10] netlink_rcv_skb+0x130/0x360 [ 3607.533062][ T10] netlink_unicast+0x449/0x710 [ 3607.533062][ T10] netlink_sendmsg+0x723/0xbe0 [ 3607.533062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3607.533062][ T10] ___sys_sendmsg+0xee/0x170 [ 3607.533062][ T10] __sys_sendmsg+0xcd/0x170 [ 3607.533062][ T10] do_syscall_64+0xc6/0x1e0 [ 3607.533062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.533062][ T10] [ 3607.535219][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3607.535219][ T10] netdev_get_by_index+0x5e/0x80 [ 3607.535219][ T10] fib6_nh_init+0x3d8/0x1580 [ 3607.535219][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3607.535219][ T10] ip6_route_add+0x1c/0x140 [ 3607.535219][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3607.535219][ T10] addrconf_add_dev+0xe2/0x170 [ 3607.535219][ T10] inet6_addr_add+0x12f/0xa40 [ 3607.535219][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3607.535219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.535219][ T10] netlink_rcv_skb+0x130/0x360 [ 3607.535219][ T10] netlink_unicast+0x449/0x710 [ 3607.535219][ T10] netlink_sendmsg+0x723/0xbe0 [ 3607.535219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3607.535219][ T10] ___sys_sendmsg+0xee/0x170 [ 3607.535219][ T10] __sys_sendmsg+0xcd/0x170 [ 3607.535219][ T10] do_syscall_64+0xc6/0x1e0 [ 3607.535219][ T10] [ 3607.537287][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3607.537287][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3607.537287][ T10] ipv6_find_idev+0x102/0x170 [ 3607.537287][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3607.537287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.537287][ T10] netlink_rcv_skb+0x130/0x360 [ 3607.537287][ T10] netlink_unicast+0x449/0x710 [ 3607.537287][ T10] netlink_sendmsg+0x723/0xbe0 [ 3607.537287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3607.537287][ T10] ___sys_sendmsg+0xee/0x170 [ 3607.537287][ T10] __sys_sendmsg+0xcd/0x170 [ 3607.537287][ T10] do_syscall_64+0xc6/0x1e0 [ 3607.537287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.537287][ T10] [ 3607.538917][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3607.538917][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3607.538917][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3607.538917][ T10] ipv6_find_idev+0x102/0x170 [ 3607.538917][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3607.538917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.538917][ T10] netlink_rcv_skb+0x130/0x360 [ 3607.538917][ T10] netlink_unicast+0x449/0x710 [ 3607.538917][ T10] netlink_sendmsg+0x723/0xbe0 [ 3607.538917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3607.538917][ T10] ___sys_sendmsg+0xee/0x170 [ 3607.538917][ T10] __sys_sendmsg+0xcd/0x170 [ 3607.538917][ T10] do_syscall_64+0xc6/0x1e0 [ 3607.538917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.538917][ T10] [ 3607.540712][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3607.540955][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3607.540955][ T10] netdev_get_by_index+0x5e/0x80 [ 3607.540955][ T10] fib6_nh_init+0x3d8/0x1580 [ 3607.540955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3607.540955][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3607.540955][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3607.540955][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3607.540955][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3607.540955][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3607.540955][ T10] addrconf_dad_begin+0x310/0x670 [ 3607.540955][ T10] addrconf_dad_work+0x10b/0xab0 [ 3607.540955][ T10] process_one_work+0x84d/0x18a0 [ 3607.540955][ T10] worker_thread+0x587/0xd30 [ 3607.540955][ T10] kthread+0x28a/0x350 [ 3607.540955][ T10] ret_from_fork+0x31/0x70 [ 3607.540955][ T10] ret_from_fork_asm+0x1a/0x30 [ 3607.540955][ T10] [ 3607.543038][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3607.543038][ T10] netdev_get_by_index+0x5e/0x80 [ 3607.543038][ T10] fib6_nh_init+0x3d8/0x1580 [ 3607.543038][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3607.543038][ T10] ip6_route_add+0x1c/0x140 [ 3607.543038][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3607.543038][ T10] inet6_addr_add+0x4f8/0xa40 [ 3607.543038][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3607.543038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.543038][ T10] netlink_rcv_skb+0x130/0x360 [ 3607.543038][ T10] netlink_unicast+0x449/0x710 [ 3607.543038][ T10] netlink_sendmsg+0x723/0xbe0 [ 3607.543038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3607.543038][ T10] ___sys_sendmsg+0xee/0x170 [ 3607.543038][ T10] __sys_sendmsg+0xcd/0x170 [ 3607.543038][ T10] do_syscall_64+0xc6/0x1e0 [ 3607.543038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.543038][ T10] [ 3607.545129][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3607.545129][ T10] netdev_get_by_index+0x5e/0x80 [ 3607.545129][ T10] fib6_nh_init+0x3d8/0x1580 [ 3607.545129][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3607.545129][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3607.545129][ T10] ipv6_add_addr+0x411/0x2000 [ 3607.545129][ T10] inet6_addr_add+0x30e/0xa40 [ 3607.545129][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3607.545129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.545129][ T10] netlink_rcv_skb+0x130/0x360 [ 3607.545129][ T10] netlink_unicast+0x449/0x710 [ 3607.545129][ T10] netlink_sendmsg+0x723/0xbe0 [ 3607.545129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3607.545129][ T10] ___sys_sendmsg+0xee/0x170 [ 3607.545129][ T10] __sys_sendmsg+0xcd/0x170 [ 3607.545129][ T10] do_syscall_64+0xc6/0x1e0 [ 3607.545129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.545129][ T10] [ 3607.547213][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3607.547213][ T10] netdev_get_by_index+0x5e/0x80 [ 3607.547213][ T10] fib6_nh_init+0x3d8/0x1580 [ 3607.547213][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3607.547213][ T10] ip6_route_add+0x1c/0x140 [ 3607.547213][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3607.547213][ T10] addrconf_add_dev+0xe2/0x170 [ 3607.547213][ T10] inet6_addr_add+0x12f/0xa40 [ 3607.547213][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3607.547213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.547213][ T10] netlink_rcv_skb+0x130/0x360 [ 3607.547213][ T10] netlink_unicast+0x449/0x710 [ 3607.547213][ T10] netlink_sendmsg+0x723/0xbe0 [ 3607.547213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3607.547213][ T10] ___sys_sendmsg+0xee/0x170 [ 3607.547213][ T10] __sys_sendmsg+0xcd/0x170 [ 3607.547213][ T10] do_syscall_64+0xc6/0x1e0 [ 3607.547213][ T10] [ 3607.549272][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3607.549272][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3607.549272][ T10] ipv6_find_idev+0x102/0x170 [ 3607.549272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3607.549272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.549272][ T10] netlink_rcv_skb+0x130/0x360 [ 3607.549272][ T10] netlink_unicast+0x449/0x710 [ 3607.549272][ T10] netlink_sendmsg+0x723/0xbe0 [ 3607.549272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3607.549272][ T10] ___sys_sendmsg+0xee/0x170 [ 3607.549272][ T10] __sys_sendmsg+0xcd/0x170 [ 3607.549272][ T10] do_syscall_64+0xc6/0x1e0 [ 3607.549272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.549272][ T10] [ 3607.551010][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3607.551010][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3607.551010][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3607.551010][ T10] ipv6_find_idev+0x102/0x170 [ 3607.551010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3607.551010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.551010][ T10] netlink_rcv_skb+0x130/0x360 [ 3607.551010][ T10] netlink_unicast+0x449/0x710 [ 3607.551010][ T10] netlink_sendmsg+0x723/0xbe0 [ 3607.551010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3607.551010][ T10] ___sys_sendmsg+0xee/0x170 [ 3607.551010][ T10] __sys_sendmsg+0xcd/0x170 [ 3607.551010][ T10] do_syscall_64+0xc6/0x1e0 [ 3607.551010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.551010][ T10] [ 3617.033107][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3617.033558][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3617.033558][ T1167] dst_init+0x84/0x4a0 [ 3617.033558][ T1167] dst_alloc+0x97/0x150 [ 3617.033558][ T1167] ip6_dst_alloc+0x23/0x90 [ 3617.033558][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3617.033558][ T1167] ip6_pol_route+0x56f/0x840 [ 3617.033558][ T1167] fib6_rule_lookup+0x334/0x630 [ 3617.033558][ T1167] ip6_route_output_flags+0x259/0x480 [ 3617.033558][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3617.033558][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3617.033558][ T1167] netlink_rcv_skb+0x130/0x360 [ 3617.033558][ T1167] netlink_unicast+0x449/0x710 [ 3617.033558][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3617.033558][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3617.033558][ T1167] ___sys_sendmsg+0xee/0x170 [ 3617.033558][ T1167] __sys_sendmsg+0xcd/0x170 [ 3617.033558][ T1167] do_syscall_64+0xc6/0x1e0 [ 3617.033558][ T1167] [ 3617.035781][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3617.035781][ T1167] netdev_get_by_index+0x5e/0x80 [ 3617.035781][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3617.035781][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3617.035781][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3617.035781][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3617.035781][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3617.035781][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3617.035781][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3617.035781][ T1167] addrconf_dad_begin+0x310/0x670 [ 3617.035781][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3617.035781][ T1167] process_one_work+0x84d/0x18a0 [ 3617.035781][ T1167] worker_thread+0x587/0xd30 [ 3617.035781][ T1167] kthread+0x28a/0x350 [ 3617.035781][ T1167] ret_from_fork+0x31/0x70 [ 3617.035781][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3617.035781][ T1167] [ 3617.037963][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3617.037963][ T1167] netdev_get_by_index+0x5e/0x80 [ 3617.037963][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3617.037963][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3617.037963][ T1167] ip6_route_add+0x1c/0x140 [ 3617.037963][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3617.037963][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3617.037963][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3617.037963][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3617.037963][ T1167] netlink_rcv_skb+0x130/0x360 [ 3617.037963][ T1167] netlink_unicast+0x449/0x710 [ 3617.037963][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3617.037963][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3617.037963][ T1167] ___sys_sendmsg+0xee/0x170 [ 3617.037963][ T1167] __sys_sendmsg+0xcd/0x170 [ 3617.037963][ T1167] do_syscall_64+0xc6/0x1e0 [ 3617.037963][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3617.037963][ T1167] [ 3617.040219][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3617.040219][ T1167] netdev_get_by_index+0x5e/0x80 [ 3617.040219][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3617.040219][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3617.040219][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3617.040219][ T1167] ipv6_add_addr+0x411/0x2000 [ 3617.040219][ T1167] inet6_addr_add+0x30e/0xa40 [ 3617.040219][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3617.040219][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3617.040219][ T1167] netlink_rcv_skb+0x130/0x360 [ 3617.040219][ T1167] netlink_unicast+0x449/0x710 [ 3617.040219][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3617.040219][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3617.040219][ T1167] ___sys_sendmsg+0xee/0x170 [ 3617.040219][ T1167] __sys_sendmsg+0xcd/0x170 [ 3617.040219][ T1167] do_syscall_64+0xc6/0x1e0 [ 3617.040219][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3617.040219][ T1167] [ 3617.042486][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3617.042486][ T1167] netdev_get_by_index+0x5e/0x80 [ 3617.042486][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3617.042486][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3617.042486][ T1167] ip6_route_add+0x1c/0x140 [ 3617.042486][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3617.042486][ T1167] addrconf_add_dev+0xe2/0x170 [ 3617.042486][ T1167] inet6_addr_add+0x12f/0xa40 [ 3617.042486][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3617.042486][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3617.042486][ T1167] netlink_rcv_skb+0x130/0x360 [ 3617.042486][ T1167] netlink_unicast+0x449/0x710 [ 3617.042486][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3617.042486][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3617.042486][ T1167] ___sys_sendmsg+0xee/0x170 [ 3617.042486][ T1167] __sys_sendmsg+0xcd/0x170 [ 3617.042486][ T1167] do_syscall_64+0xc6/0x1e0 [ 3617.042486][ T1167] [ 3617.044713][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3617.044713][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3617.044713][ T1167] ipv6_find_idev+0x102/0x170 [ 3617.044713][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3617.044713][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3617.044713][ T1167] netlink_rcv_skb+0x130/0x360 [ 3617.044713][ T1167] netlink_unicast+0x449/0x710 [ 3617.044713][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3617.044713][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3617.044713][ T1167] ___sys_sendmsg+0xee/0x170 [ 3617.044713][ T1167] __sys_sendmsg+0xcd/0x170 [ 3617.044713][ T1167] do_syscall_64+0xc6/0x1e0 [ 3617.044713][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3617.044713][ T1167] [ 3617.046457][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3617.046457][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3617.046457][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3617.046457][ T1167] ipv6_find_idev+0x102/0x170 [ 3617.046457][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3617.046457][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3617.046457][ T1167] netlink_rcv_skb+0x130/0x360 [ 3617.046457][ T1167] netlink_unicast+0x449/0x710 [ 3617.046457][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3617.046457][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3617.046457][ T1167] ___sys_sendmsg+0xee/0x170 [ 3617.046457][ T1167] __sys_sendmsg+0xcd/0x170 [ 3617.046457][ T1167] do_syscall_64+0xc6/0x1e0 [ 3617.046457][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3617.046457][ T1167] [ 3617.793160][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3617.793515][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3617.793515][ T10] netdev_get_by_index+0x5e/0x80 [ 3617.793515][ T10] fib6_nh_init+0x3d8/0x1580 [ 3617.793515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3617.793515][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3617.793515][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3617.793515][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3617.793515][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3617.793515][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3617.793515][ T10] addrconf_dad_begin+0x310/0x670 [ 3617.793515][ T10] addrconf_dad_work+0x10b/0xab0 [ 3617.793515][ T10] process_one_work+0x84d/0x18a0 [ 3617.793515][ T10] worker_thread+0x587/0xd30 [ 3617.793515][ T10] kthread+0x28a/0x350 [ 3617.793515][ T10] ret_from_fork+0x31/0x70 [ 3617.793515][ T10] ret_from_fork_asm+0x1a/0x30 [ 3617.793515][ T10] [ 3617.795530][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3617.795530][ T10] netdev_get_by_index+0x5e/0x80 [ 3617.795530][ T10] fib6_nh_init+0x3d8/0x1580 [ 3617.795530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3617.795530][ T10] ip6_route_add+0x1c/0x140 [ 3617.795530][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3617.795530][ T10] inet6_addr_add+0x4f8/0xa40 [ 3617.795530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3617.795530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3617.795530][ T10] netlink_rcv_skb+0x130/0x360 [ 3617.795530][ T10] netlink_unicast+0x449/0x710 [ 3617.795530][ T10] netlink_sendmsg+0x723/0xbe0 [ 3617.795530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3617.795530][ T10] ___sys_sendmsg+0xee/0x170 [ 3617.795530][ T10] __sys_sendmsg+0xcd/0x170 [ 3617.795530][ T10] do_syscall_64+0xc6/0x1e0 [ 3617.795530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3617.795530][ T10] [ 3617.797542][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3617.797542][ T10] netdev_get_by_index+0x5e/0x80 [ 3617.797542][ T10] fib6_nh_init+0x3d8/0x1580 [ 3617.797542][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3617.797542][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3617.797542][ T10] ipv6_add_addr+0x411/0x2000 [ 3617.797542][ T10] inet6_addr_add+0x30e/0xa40 [ 3617.797542][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3617.797542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3617.797542][ T10] netlink_rcv_skb+0x130/0x360 [ 3617.797542][ T10] netlink_unicast+0x449/0x710 [ 3617.797542][ T10] netlink_sendmsg+0x723/0xbe0 [ 3617.797542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3617.797542][ T10] ___sys_sendmsg+0xee/0x170 [ 3617.797542][ T10] __sys_sendmsg+0xcd/0x170 [ 3617.797542][ T10] do_syscall_64+0xc6/0x1e0 [ 3617.797542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3617.797542][ T10] [ 3617.799545][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3617.799545][ T10] netdev_get_by_index+0x5e/0x80 [ 3617.799545][ T10] fib6_nh_init+0x3d8/0x1580 [ 3617.799545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3617.799545][ T10] ip6_route_add+0x1c/0x140 [ 3617.799545][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3617.799545][ T10] addrconf_add_dev+0xe2/0x170 [ 3617.799545][ T10] inet6_addr_add+0x12f/0xa40 [ 3617.799545][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3617.799545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3617.799545][ T10] netlink_rcv_skb+0x130/0x360 [ 3617.799545][ T10] netlink_unicast+0x449/0x710 [ 3617.799545][ T10] netlink_sendmsg+0x723/0xbe0 [ 3617.799545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3617.799545][ T10] ___sys_sendmsg+0xee/0x170 [ 3617.799545][ T10] __sys_sendmsg+0xcd/0x170 [ 3617.799545][ T10] do_syscall_64+0xc6/0x1e0 [ 3617.799545][ T10] [ 3617.801536][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3617.801536][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3617.801536][ T10] ipv6_find_idev+0x102/0x170 [ 3617.801536][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3617.801536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3617.801536][ T10] netlink_rcv_skb+0x130/0x360 [ 3617.801536][ T10] netlink_unicast+0x449/0x710 [ 3617.801536][ T10] netlink_sendmsg+0x723/0xbe0 [ 3617.801536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3617.801536][ T10] ___sys_sendmsg+0xee/0x170 [ 3617.801536][ T10] __sys_sendmsg+0xcd/0x170 [ 3617.801536][ T10] do_syscall_64+0xc6/0x1e0 [ 3617.801536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3617.801536][ T10] [ 3617.803078][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3617.803078][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3617.803078][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3617.803078][ T10] ipv6_find_idev+0x102/0x170 [ 3617.803078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3617.803078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3617.803078][ T10] netlink_rcv_skb+0x130/0x360 [ 3617.803078][ T10] netlink_unicast+0x449/0x710 [ 3617.803078][ T10] netlink_sendmsg+0x723/0xbe0 [ 3617.803078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3617.803078][ T10] ___sys_sendmsg+0xee/0x170 [ 3617.803078][ T10] __sys_sendmsg+0xcd/0x170 [ 3617.803078][ T10] do_syscall_64+0xc6/0x1e0 [ 3617.803078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3617.803078][ T10] [ 3617.804786][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3617.805036][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3617.805036][ T10] netdev_get_by_index+0x5e/0x80 [ 3617.805036][ T10] fib6_nh_init+0x3d8/0x1580 [ 3617.805036][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3617.805036][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3617.805036][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3617.805036][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3617.805036][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3617.805036][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3617.805036][ T10] addrconf_dad_begin+0x310/0x670 [ 3617.805036][ T10] addrconf_dad_work+0x10b/0xab0 [ 3617.805036][ T10] process_one_work+0x84d/0x18a0 [ 3617.805036][ T10] worker_thread+0x587/0xd30 [ 3617.805036][ T10] kthread+0x28a/0x350 [ 3617.805036][ T10] ret_from_fork+0x31/0x70 [ 3617.805036][ T10] ret_from_fork_asm+0x1a/0x30 [ 3617.805036][ T10] [ 3617.806954][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3617.806954][ T10] netdev_get_by_index+0x5e/0x80 [ 3617.806954][ T10] fib6_nh_init+0x3d8/0x1580 [ 3617.806954][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3617.806954][ T10] ip6_route_add+0x1c/0x140 [ 3617.806954][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3617.806954][ T10] inet6_addr_add+0x4f8/0xa40 [ 3617.806954][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3617.806954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3617.806954][ T10] netlink_rcv_skb+0x130/0x360 [ 3617.806954][ T10] netlink_unicast+0x449/0x710 [ 3617.806954][ T10] netlink_sendmsg+0x723/0xbe0 [ 3617.806954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3617.806954][ T10] ___sys_sendmsg+0xee/0x170 [ 3617.806954][ T10] __sys_sendmsg+0xcd/0x170 [ 3617.806954][ T10] do_syscall_64+0xc6/0x1e0 [ 3617.806954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3617.806954][ T10] [ 3617.808951][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3617.808951][ T10] netdev_get_by_index+0x5e/0x80 [ 3617.808951][ T10] fib6_nh_init+0x3d8/0x1580 [ 3617.808951][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3617.808951][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3617.808951][ T10] ipv6_add_addr+0x411/0x2000 [ 3617.808951][ T10] inet6_addr_add+0x30e/0xa40 [ 3617.808951][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3617.808951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3617.808951][ T10] netlink_rcv_skb+0x130/0x360 [ 3617.808951][ T10] netlink_unicast+0x449/0x710 [ 3617.808951][ T10] netlink_sendmsg+0x723/0xbe0 [ 3617.808951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3617.808951][ T10] ___sys_sendmsg+0xee/0x170 [ 3617.808951][ T10] __sys_sendmsg+0xcd/0x170 [ 3617.808951][ T10] do_syscall_64+0xc6/0x1e0 [ 3617.808951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3617.808951][ T10] [ 3617.810958][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3617.810958][ T10] netdev_get_by_index+0x5e/0x80 [ 3617.810958][ T10] fib6_nh_init+0x3d8/0x1580 [ 3617.810958][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3617.810958][ T10] ip6_route_add+0x1c/0x140 [ 3617.810958][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3617.810958][ T10] addrconf_add_dev+0xe2/0x170 [ 3617.810958][ T10] inet6_addr_add+0x12f/0xa40 [ 3617.810958][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3617.810958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3617.810958][ T10] netlink_rcv_skb+0x130/0x360 [ 3617.810958][ T10] netlink_unicast+0x449/0x710 [ 3617.810958][ T10] netlink_sendmsg+0x723/0xbe0 [ 3617.810958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3617.810958][ T10] ___sys_sendmsg+0xee/0x170 [ 3617.810958][ T10] __sys_sendmsg+0xcd/0x170 [ 3617.810958][ T10] do_syscall_64+0xc6/0x1e0 [ 3617.810958][ T10] [ 3617.812910][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3617.812910][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3617.812910][ T10] ipv6_find_idev+0x102/0x170 [ 3617.812910][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3617.812910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3617.812910][ T10] netlink_rcv_skb+0x130/0x360 [ 3617.812910][ T10] netlink_unicast+0x449/0x710 [ 3617.812910][ T10] netlink_sendmsg+0x723/0xbe0 [ 3617.812910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3617.812910][ T10] ___sys_sendmsg+0xee/0x170 [ 3617.812910][ T10] __sys_sendmsg+0xcd/0x170 [ 3617.812910][ T10] do_syscall_64+0xc6/0x1e0 [ 3617.812910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3617.812910][ T10] [ 3617.814446][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3617.814446][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3617.814446][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3617.814446][ T10] ipv6_find_idev+0x102/0x170 [ 3617.814446][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3617.814446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3617.814446][ T10] netlink_rcv_skb+0x130/0x360 [ 3617.814446][ T10] netlink_unicast+0x449/0x710 [ 3617.814446][ T10] netlink_sendmsg+0x723/0xbe0 [ 3617.814446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3617.814446][ T10] ___sys_sendmsg+0xee/0x170 [ 3617.814446][ T10] __sys_sendmsg+0xcd/0x170 [ 3617.814446][ T10] do_syscall_64+0xc6/0x1e0 [ 3617.814446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3617.814446][ T10] [ 3617.816132][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3617.816383][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3617.816383][ T10] netdev_get_by_index+0x5e/0x80 [ 3617.816383][ T10] fib6_nh_init+0x3d8/0x1580 [ 3617.816383][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3617.816383][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3617.816383][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3617.816383][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3617.816383][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3617.816383][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3617.816383][ T10] addrconf_dad_begin+0x310/0x670 [ 3617.816383][ T10] addrconf_dad_work+0x10b/0xab0 [ 3617.816383][ T10] process_one_work+0x84d/0x18a0 [ 3617.816383][ T10] worker_thread+0x587/0xd30 [ 3617.816383][ T10] kthread+0x28a/0x350 [ 3617.816383][ T10] ret_from_fork+0x31/0x70 [ 3617.816383][ T10] ret_from_fork_asm+0x1a/0x30 [ 3617.816383][ T10] [ 3617.818291][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3617.818291][ T10] netdev_get_by_index+0x5e/0x80 [ 3617.818291][ T10] fib6_nh_init+0x3d8/0x1580 [ 3617.818291][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3617.818291][ T10] ip6_route_add+0x1c/0x140 [ 3617.818291][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3617.818291][ T10] inet6_addr_add+0x4f8/0xa40 [ 3617.818291][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3617.818291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3617.818291][ T10] netlink_rcv_skb+0x130/0x360 [ 3617.818291][ T10] netlink_unicast+0x449/0x710 [ 3617.818291][ T10] netlink_sendmsg+0x723/0xbe0 [ 3617.818291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3617.818291][ T10] ___sys_sendmsg+0xee/0x170 [ 3617.818291][ T10] __sys_sendmsg+0xcd/0x170 [ 3617.818291][ T10] do_syscall_64+0xc6/0x1e0 [ 3617.818291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3617.818291][ T10] [ 3617.820555][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3617.820555][ T10] netdev_get_by_index+0x5e/0x80 [ 3617.820555][ T10] fib6_nh_init+0x3d8/0x1580 [ 3617.820555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3617.820555][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3617.820555][ T10] ipv6_add_addr+0x411/0x2000 [ 3617.820555][ T10] inet6_addr_add+0x30e/0xa40 [ 3617.820555][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3617.820555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3617.820555][ T10] netlink_rcv_skb+0x130/0x360 [ 3617.820555][ T10] netlink_unicast+0x449/0x710 [ 3617.820555][ T10] netlink_sendmsg+0x723/0xbe0 [ 3617.820555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3617.820555][ T10] ___sys_sendmsg+0xee/0x170 [ 3617.820555][ T10] __sys_sendmsg+0xcd/0x170 [ 3617.820555][ T10] do_syscall_64+0xc6/0x1e0 [ 3617.820555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3617.820555][ T10] [ 3617.822673][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3617.822673][ T10] netdev_get_by_index+0x5e/0x80 [ 3617.822673][ T10] fib6_nh_init+0x3d8/0x1580 [ 3617.822673][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3617.822673][ T10] ip6_route_add+0x1c/0x140 [ 3617.822673][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3617.822673][ T10] addrconf_add_dev+0xe2/0x170 [ 3617.822673][ T10] inet6_addr_add+0x12f/0xa40 [ 3617.822673][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3617.822673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3617.822673][ T10] netlink_rcv_skb+0x130/0x360 [ 3617.822673][ T10] netlink_unicast+0x449/0x710 [ 3617.822673][ T10] netlink_sendmsg+0x723/0xbe0 [ 3617.822673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3617.822673][ T10] ___sys_sendmsg+0xee/0x170 [ 3617.822673][ T10] __sys_sendmsg+0xcd/0x170 [ 3617.822673][ T10] do_syscall_64+0xc6/0x1e0 [ 3617.822673][ T10] [ 3617.824691][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3617.824691][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3617.824691][ T10] ipv6_find_idev+0x102/0x170 [ 3617.824691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3617.824691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3617.824691][ T10] netlink_rcv_skb+0x130/0x360 [ 3617.824691][ T10] netlink_unicast+0x449/0x710 [ 3617.824691][ T10] netlink_sendmsg+0x723/0xbe0 [ 3617.824691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3617.824691][ T10] ___sys_sendmsg+0xee/0x170 [ 3617.824691][ T10] __sys_sendmsg+0xcd/0x170 [ 3617.824691][ T10] do_syscall_64+0xc6/0x1e0 [ 3617.824691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3617.824691][ T10] [ 3617.826353][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3617.826353][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3617.826353][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3617.826353][ T10] ipv6_find_idev+0x102/0x170 [ 3617.826353][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3617.826353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3617.826353][ T10] netlink_rcv_skb+0x130/0x360 [ 3617.826353][ T10] netlink_unicast+0x449/0x710 [ 3617.826353][ T10] netlink_sendmsg+0x723/0xbe0 [ 3617.826353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3617.826353][ T10] ___sys_sendmsg+0xee/0x170 [ 3617.826353][ T10] __sys_sendmsg+0xcd/0x170 [ 3617.826353][ T10] do_syscall_64+0xc6/0x1e0 [ 3617.826353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3617.826353][ T10] [ 3617.828113][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3617.828358][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3617.828358][ T10] netdev_get_by_index+0x5e/0x80 [ 3617.828358][ T10] fib6_nh_init+0x3d8/0x1580 [ 3617.828358][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3617.828358][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3617.828358][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3617.828358][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3617.828358][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3617.828358][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3617.828358][ T10] addrconf_dad_begin+0x310/0x670 [ 3617.828358][ T10] addrconf_dad_work+0x10b/0xab0 [ 3617.828358][ T10] process_one_work+0x84d/0x18a0 [ 3617.828358][ T10] worker_thread+0x587/0xd30 [ 3617.828358][ T10] kthread+0x28a/0x350 [ 3617.828358][ T10] ret_from_fork+0x31/0x70 [ 3617.828358][ T10] ret_from_fork_asm+0x1a/0x30 [ 3617.828358][ T10] [ 3617.830393][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3617.830393][ T10] netdev_get_by_index+0x5e/0x80 [ 3617.830393][ T10] fib6_nh_init+0x3d8/0x1580 [ 3617.830393][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3617.830393][ T10] ip6_route_add+0x1c/0x140 [ 3617.830393][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3617.830393][ T10] inet6_addr_add+0x4f8/0xa40 [ 3617.830393][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3617.830393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3617.830393][ T10] netlink_rcv_skb+0x130/0x360 [ 3617.830393][ T10] netlink_unicast+0x449/0x710 [ 3617.830393][ T10] netlink_sendmsg+0x723/0xbe0 [ 3617.830393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3617.830393][ T10] ___sys_sendmsg+0xee/0x170 [ 3617.830393][ T10] __sys_sendmsg+0xcd/0x170 [ 3617.830393][ T10] do_syscall_64+0xc6/0x1e0 [ 3617.830393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3617.830393][ T10] [ 3617.832515][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3617.832515][ T10] netdev_get_by_index+0x5e/0x80 [ 3617.832515][ T10] fib6_nh_init+0x3d8/0x1580 [ 3617.832515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3617.832515][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3617.832515][ T10] ipv6_add_addr+0x411/0x2000 [ 3617.832515][ T10] inet6_addr_add+0x30e/0xa40 [ 3617.832515][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3617.832515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3617.832515][ T10] netlink_rcv_skb+0x130/0x360 [ 3617.832515][ T10] netlink_unicast+0x449/0x710 [ 3617.832515][ T10] netlink_sendmsg+0x723/0xbe0 [ 3617.832515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3617.832515][ T10] ___sys_sendmsg+0xee/0x170 [ 3617.832515][ T10] __sys_sendmsg+0xcd/0x170 [ 3617.832515][ T10] do_syscall_64+0xc6/0x1e0 [ 3617.832515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3617.832515][ T10] [ 3617.834648][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3617.834648][ T10] netdev_get_by_index+0x5e/0x80 [ 3617.834648][ T10] fib6_nh_init+0x3d8/0x1580 [ 3617.834648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3617.834648][ T10] ip6_route_add+0x1c/0x140 [ 3617.834648][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3617.834648][ T10] addrconf_add_dev+0xe2/0x170 [ 3617.834648][ T10] inet6_addr_add+0x12f/0xa40 [ 3617.834648][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3617.834648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3617.834648][ T10] netlink_rcv_skb+0x130/0x360 [ 3617.834648][ T10] netlink_unicast+0x449/0x710 [ 3617.834648][ T10] netlink_sendmsg+0x723/0xbe0 [ 3617.834648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3617.834648][ T10] ___sys_sendmsg+0xee/0x170 [ 3617.834648][ T10] __sys_sendmsg+0xcd/0x170 [ 3617.834648][ T10] do_syscall_64+0xc6/0x1e0 [ 3617.834648][ T10] [ 3617.836744][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3617.836744][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3617.836744][ T10] ipv6_find_idev+0x102/0x170 [ 3617.836744][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3617.836744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3617.836744][ T10] netlink_rcv_skb+0x130/0x360 [ 3617.836744][ T10] netlink_unicast+0x449/0x710 [ 3617.836744][ T10] netlink_sendmsg+0x723/0xbe0 [ 3617.836744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3617.836744][ T10] ___sys_sendmsg+0xee/0x170 [ 3617.836744][ T10] __sys_sendmsg+0xcd/0x170 [ 3617.836744][ T10] do_syscall_64+0xc6/0x1e0 [ 3617.836744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3617.836744][ T10] [ 3617.838415][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3617.838415][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3617.838415][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3617.838415][ T10] ipv6_find_idev+0x102/0x170 [ 3617.838415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3617.838415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3617.838415][ T10] netlink_rcv_skb+0x130/0x360 [ 3617.838415][ T10] netlink_unicast+0x449/0x710 [ 3617.838415][ T10] netlink_sendmsg+0x723/0xbe0 [ 3617.838415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3617.838415][ T10] ___sys_sendmsg+0xee/0x170 [ 3617.838415][ T10] __sys_sendmsg+0xcd/0x170 [ 3617.838415][ T10] do_syscall_64+0xc6/0x1e0 [ 3617.838415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3617.838415][ T10] [ 3627.257140][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3627.257625][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3627.257625][ T1167] dst_init+0x84/0x4a0 [ 3627.257625][ T1167] dst_alloc+0x97/0x150 [ 3627.257625][ T1167] ip6_dst_alloc+0x23/0x90 [ 3627.257625][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3627.257625][ T1167] ip6_pol_route+0x56f/0x840 [ 3627.257625][ T1167] fib6_rule_lookup+0x334/0x630 [ 3627.257625][ T1167] ip6_route_output_flags+0x259/0x480 [ 3627.257625][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3627.257625][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3627.257625][ T1167] netlink_rcv_skb+0x130/0x360 [ 3627.257625][ T1167] netlink_unicast+0x449/0x710 [ 3627.257625][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3627.257625][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3627.257625][ T1167] ___sys_sendmsg+0xee/0x170 [ 3627.257625][ T1167] __sys_sendmsg+0xcd/0x170 [ 3627.257625][ T1167] do_syscall_64+0xc6/0x1e0 [ 3627.257625][ T1167] [ 3627.259873][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3627.259873][ T1167] netdev_get_by_index+0x5e/0x80 [ 3627.259873][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3627.259873][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3627.259873][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3627.259873][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3627.259873][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3627.259873][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3627.259873][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3627.259873][ T1167] addrconf_dad_begin+0x310/0x670 [ 3627.259873][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3627.259873][ T1167] process_one_work+0x84d/0x18a0 [ 3627.259873][ T1167] worker_thread+0x587/0xd30 [ 3627.259873][ T1167] kthread+0x28a/0x350 [ 3627.259873][ T1167] ret_from_fork+0x31/0x70 [ 3627.259873][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3627.259873][ T1167] [ 3627.262051][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3627.262051][ T1167] netdev_get_by_index+0x5e/0x80 [ 3627.262051][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3627.262051][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3627.262051][ T1167] ip6_route_add+0x1c/0x140 [ 3627.262051][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3627.262051][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3627.262051][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3627.262051][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3627.262051][ T1167] netlink_rcv_skb+0x130/0x360 [ 3627.262051][ T1167] netlink_unicast+0x449/0x710 [ 3627.262051][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3627.262051][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3627.262051][ T1167] ___sys_sendmsg+0xee/0x170 [ 3627.262051][ T1167] __sys_sendmsg+0xcd/0x170 [ 3627.262051][ T1167] do_syscall_64+0xc6/0x1e0 [ 3627.262051][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3627.262051][ T1167] [ 3627.264315][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3627.264315][ T1167] netdev_get_by_index+0x5e/0x80 [ 3627.264315][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3627.264315][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3627.264315][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3627.264315][ T1167] ipv6_add_addr+0x411/0x2000 [ 3627.264315][ T1167] inet6_addr_add+0x30e/0xa40 [ 3627.264315][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3627.264315][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3627.264315][ T1167] netlink_rcv_skb+0x130/0x360 [ 3627.264315][ T1167] netlink_unicast+0x449/0x710 [ 3627.264315][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3627.264315][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3627.264315][ T1167] ___sys_sendmsg+0xee/0x170 [ 3627.264315][ T1167] __sys_sendmsg+0xcd/0x170 [ 3627.264315][ T1167] do_syscall_64+0xc6/0x1e0 [ 3627.264315][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3627.264315][ T1167] [ 3627.266585][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3627.266585][ T1167] netdev_get_by_index+0x5e/0x80 [ 3627.266585][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3627.266585][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3627.266585][ T1167] ip6_route_add+0x1c/0x140 [ 3627.266585][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3627.266585][ T1167] addrconf_add_dev+0xe2/0x170 [ 3627.266585][ T1167] inet6_addr_add+0x12f/0xa40 [ 3627.266585][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3627.266585][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3627.266585][ T1167] netlink_rcv_skb+0x130/0x360 [ 3627.266585][ T1167] netlink_unicast+0x449/0x710 [ 3627.266585][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3627.266585][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3627.266585][ T1167] ___sys_sendmsg+0xee/0x170 [ 3627.266585][ T1167] __sys_sendmsg+0xcd/0x170 [ 3627.266585][ T1167] do_syscall_64+0xc6/0x1e0 [ 3627.266585][ T1167] [ 3627.268804][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3627.268804][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3627.268804][ T1167] ipv6_find_idev+0x102/0x170 [ 3627.268804][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3627.268804][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3627.268804][ T1167] netlink_rcv_skb+0x130/0x360 [ 3627.268804][ T1167] netlink_unicast+0x449/0x710 [ 3627.268804][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3627.268804][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3627.268804][ T1167] ___sys_sendmsg+0xee/0x170 [ 3627.268804][ T1167] __sys_sendmsg+0xcd/0x170 [ 3627.268804][ T1167] do_syscall_64+0xc6/0x1e0 [ 3627.268804][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3627.268804][ T1167] [ 3627.270546][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3627.270546][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3627.270546][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3627.270546][ T1167] ipv6_find_idev+0x102/0x170 [ 3627.270546][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3627.270546][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3627.270546][ T1167] netlink_rcv_skb+0x130/0x360 [ 3627.270546][ T1167] netlink_unicast+0x449/0x710 [ 3627.270546][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3627.270546][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3627.270546][ T1167] ___sys_sendmsg+0xee/0x170 [ 3627.270546][ T1167] __sys_sendmsg+0xcd/0x170 [ 3627.270546][ T1167] do_syscall_64+0xc6/0x1e0 [ 3627.270546][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3627.270546][ T1167] [ 3628.081049][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3628.081423][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3628.081423][ T10] netdev_get_by_index+0x5e/0x80 [ 3628.081423][ T10] fib6_nh_init+0x3d8/0x1580 [ 3628.081423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3628.081423][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3628.081423][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3628.081423][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3628.081423][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3628.081423][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3628.081423][ T10] addrconf_dad_begin+0x310/0x670 [ 3628.081423][ T10] addrconf_dad_work+0x10b/0xab0 [ 3628.081423][ T10] process_one_work+0x84d/0x18a0 [ 3628.081423][ T10] worker_thread+0x587/0xd30 [ 3628.081423][ T10] kthread+0x28a/0x350 [ 3628.081423][ T10] ret_from_fork+0x31/0x70 [ 3628.081423][ T10] ret_from_fork_asm+0x1a/0x30 [ 3628.081423][ T10] [ 3628.083359][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3628.083359][ T10] netdev_get_by_index+0x5e/0x80 [ 3628.083359][ T10] fib6_nh_init+0x3d8/0x1580 [ 3628.083359][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3628.083359][ T10] ip6_route_add+0x1c/0x140 [ 3628.083359][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3628.083359][ T10] inet6_addr_add+0x4f8/0xa40 [ 3628.083359][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3628.083359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.083359][ T10] netlink_rcv_skb+0x130/0x360 [ 3628.083359][ T10] netlink_unicast+0x449/0x710 [ 3628.083359][ T10] netlink_sendmsg+0x723/0xbe0 [ 3628.083359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3628.083359][ T10] ___sys_sendmsg+0xee/0x170 [ 3628.083359][ T10] __sys_sendmsg+0xcd/0x170 [ 3628.083359][ T10] do_syscall_64+0xc6/0x1e0 [ 3628.083359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3628.083359][ T10] [ 3628.085366][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3628.085366][ T10] netdev_get_by_index+0x5e/0x80 [ 3628.085366][ T10] fib6_nh_init+0x3d8/0x1580 [ 3628.085366][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3628.085366][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3628.085366][ T10] ipv6_add_addr+0x411/0x2000 [ 3628.085366][ T10] inet6_addr_add+0x30e/0xa40 [ 3628.085366][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3628.085366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.085366][ T10] netlink_rcv_skb+0x130/0x360 [ 3628.085366][ T10] netlink_unicast+0x449/0x710 [ 3628.085366][ T10] netlink_sendmsg+0x723/0xbe0 [ 3628.085366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3628.085366][ T10] ___sys_sendmsg+0xee/0x170 [ 3628.085366][ T10] __sys_sendmsg+0xcd/0x170 [ 3628.085366][ T10] do_syscall_64+0xc6/0x1e0 [ 3628.085366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3628.085366][ T10] [ 3628.087348][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3628.087348][ T10] netdev_get_by_index+0x5e/0x80 [ 3628.087348][ T10] fib6_nh_init+0x3d8/0x1580 [ 3628.087348][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3628.087348][ T10] ip6_route_add+0x1c/0x140 [ 3628.087348][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3628.087348][ T10] addrconf_add_dev+0xe2/0x170 [ 3628.087348][ T10] inet6_addr_add+0x12f/0xa40 [ 3628.087348][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3628.087348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.087348][ T10] netlink_rcv_skb+0x130/0x360 [ 3628.087348][ T10] netlink_unicast+0x449/0x710 [ 3628.087348][ T10] netlink_sendmsg+0x723/0xbe0 [ 3628.087348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3628.087348][ T10] ___sys_sendmsg+0xee/0x170 [ 3628.087348][ T10] __sys_sendmsg+0xcd/0x170 [ 3628.087348][ T10] do_syscall_64+0xc6/0x1e0 [ 3628.087348][ T10] [ 3628.089305][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3628.089305][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3628.089305][ T10] ipv6_find_idev+0x102/0x170 [ 3628.089305][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3628.089305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.089305][ T10] netlink_rcv_skb+0x130/0x360 [ 3628.089305][ T10] netlink_unicast+0x449/0x710 [ 3628.089305][ T10] netlink_sendmsg+0x723/0xbe0 [ 3628.089305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3628.089305][ T10] ___sys_sendmsg+0xee/0x170 [ 3628.089305][ T10] __sys_sendmsg+0xcd/0x170 [ 3628.089305][ T10] do_syscall_64+0xc6/0x1e0 [ 3628.089305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3628.089305][ T10] [ 3628.090839][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3628.090839][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3628.090839][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3628.090839][ T10] ipv6_find_idev+0x102/0x170 [ 3628.090839][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3628.090839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.090839][ T10] netlink_rcv_skb+0x130/0x360 [ 3628.090839][ T10] netlink_unicast+0x449/0x710 [ 3628.090839][ T10] netlink_sendmsg+0x723/0xbe0 [ 3628.090839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3628.090839][ T10] ___sys_sendmsg+0xee/0x170 [ 3628.090839][ T10] __sys_sendmsg+0xcd/0x170 [ 3628.090839][ T10] do_syscall_64+0xc6/0x1e0 [ 3628.090839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3628.090839][ T10] [ 3628.092546][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3628.092791][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3628.092791][ T10] netdev_get_by_index+0x5e/0x80 [ 3628.092791][ T10] fib6_nh_init+0x3d8/0x1580 [ 3628.092791][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3628.092791][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3628.092791][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3628.092791][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3628.092791][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3628.092791][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3628.092791][ T10] addrconf_dad_begin+0x310/0x670 [ 3628.092791][ T10] addrconf_dad_work+0x10b/0xab0 [ 3628.092791][ T10] process_one_work+0x84d/0x18a0 [ 3628.092791][ T10] worker_thread+0x587/0xd30 [ 3628.092791][ T10] kthread+0x28a/0x350 [ 3628.092791][ T10] ret_from_fork+0x31/0x70 [ 3628.092791][ T10] ret_from_fork_asm+0x1a/0x30 [ 3628.092791][ T10] [ 3628.094715][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3628.094715][ T10] netdev_get_by_index+0x5e/0x80 [ 3628.094715][ T10] fib6_nh_init+0x3d8/0x1580 [ 3628.094715][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3628.094715][ T10] ip6_route_add+0x1c/0x140 [ 3628.094715][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3628.094715][ T10] inet6_addr_add+0x4f8/0xa40 [ 3628.094715][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3628.094715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.094715][ T10] netlink_rcv_skb+0x130/0x360 [ 3628.094715][ T10] netlink_unicast+0x449/0x710 [ 3628.094715][ T10] netlink_sendmsg+0x723/0xbe0 [ 3628.094715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3628.094715][ T10] ___sys_sendmsg+0xee/0x170 [ 3628.094715][ T10] __sys_sendmsg+0xcd/0x170 [ 3628.094715][ T10] do_syscall_64+0xc6/0x1e0 [ 3628.094715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3628.094715][ T10] [ 3628.096697][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3628.096697][ T10] netdev_get_by_index+0x5e/0x80 [ 3628.096697][ T10] fib6_nh_init+0x3d8/0x1580 [ 3628.096697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3628.096697][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3628.096697][ T10] ipv6_add_addr+0x411/0x2000 [ 3628.096697][ T10] inet6_addr_add+0x30e/0xa40 [ 3628.096697][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3628.096697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.096697][ T10] netlink_rcv_skb+0x130/0x360 [ 3628.096697][ T10] netlink_unicast+0x449/0x710 [ 3628.096697][ T10] netlink_sendmsg+0x723/0xbe0 [ 3628.096697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3628.096697][ T10] ___sys_sendmsg+0xee/0x170 [ 3628.096697][ T10] __sys_sendmsg+0xcd/0x170 [ 3628.096697][ T10] do_syscall_64+0xc6/0x1e0 [ 3628.096697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3628.096697][ T10] [ 3628.098689][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3628.098689][ T10] netdev_get_by_index+0x5e/0x80 [ 3628.098689][ T10] fib6_nh_init+0x3d8/0x1580 [ 3628.098689][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3628.098689][ T10] ip6_route_add+0x1c/0x140 [ 3628.098689][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3628.098689][ T10] addrconf_add_dev+0xe2/0x170 [ 3628.098689][ T10] inet6_addr_add+0x12f/0xa40 [ 3628.098689][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3628.098689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.098689][ T10] netlink_rcv_skb+0x130/0x360 [ 3628.098689][ T10] netlink_unicast+0x449/0x710 [ 3628.098689][ T10] netlink_sendmsg+0x723/0xbe0 [ 3628.098689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3628.098689][ T10] ___sys_sendmsg+0xee/0x170 [ 3628.098689][ T10] __sys_sendmsg+0xcd/0x170 [ 3628.098689][ T10] do_syscall_64+0xc6/0x1e0 [ 3628.098689][ T10] [ 3628.100636][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3628.100636][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3628.100636][ T10] ipv6_find_idev+0x102/0x170 [ 3628.100636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3628.100636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.100636][ T10] netlink_rcv_skb+0x130/0x360 [ 3628.100636][ T10] netlink_unicast+0x449/0x710 [ 3628.100636][ T10] netlink_sendmsg+0x723/0xbe0 [ 3628.100636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3628.100636][ T10] ___sys_sendmsg+0xee/0x170 [ 3628.100636][ T10] __sys_sendmsg+0xcd/0x170 [ 3628.100636][ T10] do_syscall_64+0xc6/0x1e0 [ 3628.100636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3628.100636][ T10] [ 3628.102176][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3628.102176][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3628.102176][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3628.102176][ T10] ipv6_find_idev+0x102/0x170 [ 3628.102176][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3628.102176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.102176][ T10] netlink_rcv_skb+0x130/0x360 [ 3628.102176][ T10] netlink_unicast+0x449/0x710 [ 3628.102176][ T10] netlink_sendmsg+0x723/0xbe0 [ 3628.102176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3628.102176][ T10] ___sys_sendmsg+0xee/0x170 [ 3628.102176][ T10] __sys_sendmsg+0xcd/0x170 [ 3628.102176][ T10] do_syscall_64+0xc6/0x1e0 [ 3628.102176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3628.102176][ T10] [ 3628.103859][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3628.104108][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3628.104108][ T10] netdev_get_by_index+0x5e/0x80 [ 3628.104108][ T10] fib6_nh_init+0x3d8/0x1580 [ 3628.104108][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3628.104108][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3628.104108][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3628.104108][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3628.104108][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3628.104108][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3628.104108][ T10] addrconf_dad_begin+0x310/0x670 [ 3628.104108][ T10] addrconf_dad_work+0x10b/0xab0 [ 3628.104108][ T10] process_one_work+0x84d/0x18a0 [ 3628.104108][ T10] worker_thread+0x587/0xd30 [ 3628.104108][ T10] kthread+0x28a/0x350 [ 3628.104108][ T10] ret_from_fork+0x31/0x70 [ 3628.104108][ T10] ret_from_fork_asm+0x1a/0x30 [ 3628.104108][ T10] [ 3628.106015][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3628.106015][ T10] netdev_get_by_index+0x5e/0x80 [ 3628.106015][ T10] fib6_nh_init+0x3d8/0x1580 [ 3628.106015][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3628.106015][ T10] ip6_route_add+0x1c/0x140 [ 3628.106015][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3628.106015][ T10] inet6_addr_add+0x4f8/0xa40 [ 3628.106015][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3628.106015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.106015][ T10] netlink_rcv_skb+0x130/0x360 [ 3628.106015][ T10] netlink_unicast+0x449/0x710 [ 3628.106015][ T10] netlink_sendmsg+0x723/0xbe0 [ 3628.106015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3628.106015][ T10] ___sys_sendmsg+0xee/0x170 [ 3628.106015][ T10] __sys_sendmsg+0xcd/0x170 [ 3628.106015][ T10] do_syscall_64+0xc6/0x1e0 [ 3628.106015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3628.106015][ T10] [ 3628.108190][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3628.108190][ T10] netdev_get_by_index+0x5e/0x80 [ 3628.108190][ T10] fib6_nh_init+0x3d8/0x1580 [ 3628.108190][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3628.108190][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3628.108190][ T10] ipv6_add_addr+0x411/0x2000 [ 3628.108190][ T10] inet6_addr_add+0x30e/0xa40 [ 3628.108190][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3628.108190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.108190][ T10] netlink_rcv_skb+0x130/0x360 [ 3628.108190][ T10] netlink_unicast+0x449/0x710 [ 3628.108190][ T10] netlink_sendmsg+0x723/0xbe0 [ 3628.108190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3628.108190][ T10] ___sys_sendmsg+0xee/0x170 [ 3628.108190][ T10] __sys_sendmsg+0xcd/0x170 [ 3628.108190][ T10] do_syscall_64+0xc6/0x1e0 [ 3628.108190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3628.108190][ T10] [ 3628.110489][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3628.110489][ T10] netdev_get_by_index+0x5e/0x80 [ 3628.110489][ T10] fib6_nh_init+0x3d8/0x1580 [ 3628.110489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3628.110489][ T10] ip6_route_add+0x1c/0x140 [ 3628.110489][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3628.110489][ T10] addrconf_add_dev+0xe2/0x170 [ 3628.110489][ T10] inet6_addr_add+0x12f/0xa40 [ 3628.110489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3628.110489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.110489][ T10] netlink_rcv_skb+0x130/0x360 [ 3628.110489][ T10] netlink_unicast+0x449/0x710 [ 3628.110489][ T10] netlink_sendmsg+0x723/0xbe0 [ 3628.110489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3628.110489][ T10] ___sys_sendmsg+0xee/0x170 [ 3628.110489][ T10] __sys_sendmsg+0xcd/0x170 [ 3628.110489][ T10] do_syscall_64+0xc6/0x1e0 [ 3628.110489][ T10] [ 3628.112635][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3628.112635][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3628.112635][ T10] ipv6_find_idev+0x102/0x170 [ 3628.112635][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3628.112635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.112635][ T10] netlink_rcv_skb+0x130/0x360 [ 3628.112635][ T10] netlink_unicast+0x449/0x710 [ 3628.112635][ T10] netlink_sendmsg+0x723/0xbe0 [ 3628.112635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3628.112635][ T10] ___sys_sendmsg+0xee/0x170 [ 3628.112635][ T10] __sys_sendmsg+0xcd/0x170 [ 3628.112635][ T10] do_syscall_64+0xc6/0x1e0 [ 3628.112635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3628.112635][ T10] [ 3628.114354][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3628.114354][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3628.114354][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3628.114354][ T10] ipv6_find_idev+0x102/0x170 [ 3628.114354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3628.114354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.114354][ T10] netlink_rcv_skb+0x130/0x360 [ 3628.114354][ T10] netlink_unicast+0x449/0x710 [ 3628.114354][ T10] netlink_sendmsg+0x723/0xbe0 [ 3628.114354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3628.114354][ T10] ___sys_sendmsg+0xee/0x170 [ 3628.114354][ T10] __sys_sendmsg+0xcd/0x170 [ 3628.114354][ T10] do_syscall_64+0xc6/0x1e0 [ 3628.114354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3628.114354][ T10] [ 3628.116305][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3628.116556][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3628.116556][ T10] netdev_get_by_index+0x5e/0x80 [ 3628.116556][ T10] fib6_nh_init+0x3d8/0x1580 [ 3628.116556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3628.116556][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3628.116556][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3628.116556][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3628.116556][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3628.116556][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3628.116556][ T10] addrconf_dad_begin+0x310/0x670 [ 3628.116556][ T10] addrconf_dad_work+0x10b/0xab0 [ 3628.116556][ T10] process_one_work+0x84d/0x18a0 [ 3628.116556][ T10] worker_thread+0x587/0xd30 [ 3628.116556][ T10] kthread+0x28a/0x350 [ 3628.116556][ T10] ret_from_fork+0x31/0x70 [ 3628.116556][ T10] ret_from_fork_asm+0x1a/0x30 [ 3628.116556][ T10] [ 3628.118764][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3628.118764][ T10] netdev_get_by_index+0x5e/0x80 [ 3628.118764][ T10] fib6_nh_init+0x3d8/0x1580 [ 3628.118764][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3628.118764][ T10] ip6_route_add+0x1c/0x140 [ 3628.118764][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3628.118764][ T10] inet6_addr_add+0x4f8/0xa40 [ 3628.118764][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3628.118764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.118764][ T10] netlink_rcv_skb+0x130/0x360 [ 3628.118764][ T10] netlink_unicast+0x449/0x710 [ 3628.118764][ T10] netlink_sendmsg+0x723/0xbe0 [ 3628.118764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3628.118764][ T10] ___sys_sendmsg+0xee/0x170 [ 3628.118764][ T10] __sys_sendmsg+0xcd/0x170 [ 3628.118764][ T10] do_syscall_64+0xc6/0x1e0 [ 3628.118764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3628.118764][ T10] [ 3628.120955][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3628.120955][ T10] netdev_get_by_index+0x5e/0x80 [ 3628.120955][ T10] fib6_nh_init+0x3d8/0x1580 [ 3628.120955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3628.120955][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3628.120955][ T10] ipv6_add_addr+0x411/0x2000 [ 3628.120955][ T10] inet6_addr_add+0x30e/0xa40 [ 3628.120955][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3628.120955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.120955][ T10] netlink_rcv_skb+0x130/0x360 [ 3628.120955][ T10] netlink_unicast+0x449/0x710 [ 3628.120955][ T10] netlink_sendmsg+0x723/0xbe0 [ 3628.120955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3628.120955][ T10] ___sys_sendmsg+0xee/0x170 [ 3628.120955][ T10] __sys_sendmsg+0xcd/0x170 [ 3628.120955][ T10] do_syscall_64+0xc6/0x1e0 [ 3628.120955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3628.120955][ T10] [ 3628.123188][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3628.123188][ T10] netdev_get_by_index+0x5e/0x80 [ 3628.123188][ T10] fib6_nh_init+0x3d8/0x1580 [ 3628.123188][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3628.123188][ T10] ip6_route_add+0x1c/0x140 [ 3628.123188][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3628.123188][ T10] addrconf_add_dev+0xe2/0x170 [ 3628.123188][ T10] inet6_addr_add+0x12f/0xa40 [ 3628.123188][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3628.123188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.123188][ T10] netlink_rcv_skb+0x130/0x360 [ 3628.123188][ T10] netlink_unicast+0x449/0x710 [ 3628.123188][ T10] netlink_sendmsg+0x723/0xbe0 [ 3628.123188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3628.123188][ T10] ___sys_sendmsg+0xee/0x170 [ 3628.123188][ T10] __sys_sendmsg+0xcd/0x170 [ 3628.123188][ T10] do_syscall_64+0xc6/0x1e0 [ 3628.123188][ T10] [ 3628.125390][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3628.125390][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3628.125390][ T10] ipv6_find_idev+0x102/0x170 [ 3628.125390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3628.125390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.125390][ T10] netlink_rcv_skb+0x130/0x360 [ 3628.125390][ T10] netlink_unicast+0x449/0x710 [ 3628.125390][ T10] netlink_sendmsg+0x723/0xbe0 [ 3628.125390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3628.125390][ T10] ___sys_sendmsg+0xee/0x170 [ 3628.125390][ T10] __sys_sendmsg+0xcd/0x170 [ 3628.125390][ T10] do_syscall_64+0xc6/0x1e0 [ 3628.125390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3628.125390][ T10] [ 3628.127108][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3628.127108][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3628.127108][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3628.127108][ T10] ipv6_find_idev+0x102/0x170 [ 3628.127108][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3628.127108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.127108][ T10] netlink_rcv_skb+0x130/0x360 [ 3628.127108][ T10] netlink_unicast+0x449/0x710 [ 3628.127108][ T10] netlink_sendmsg+0x723/0xbe0 [ 3628.127108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3628.127108][ T10] ___sys_sendmsg+0xee/0x170 [ 3628.127108][ T10] __sys_sendmsg+0xcd/0x170 [ 3628.127108][ T10] do_syscall_64+0xc6/0x1e0 [ 3628.127108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3628.127108][ T10] [ 3637.521194][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3637.521655][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3637.521655][ T1167] dst_init+0x84/0x4a0 [ 3637.521655][ T1167] dst_alloc+0x97/0x150 [ 3637.521655][ T1167] ip6_dst_alloc+0x23/0x90 [ 3637.521655][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3637.521655][ T1167] ip6_pol_route+0x56f/0x840 [ 3637.521655][ T1167] fib6_rule_lookup+0x334/0x630 [ 3637.521655][ T1167] ip6_route_output_flags+0x259/0x480 [ 3637.521655][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3637.521655][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3637.521655][ T1167] netlink_rcv_skb+0x130/0x360 [ 3637.521655][ T1167] netlink_unicast+0x449/0x710 [ 3637.521655][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3637.521655][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3637.521655][ T1167] ___sys_sendmsg+0xee/0x170 [ 3637.521655][ T1167] __sys_sendmsg+0xcd/0x170 [ 3637.521655][ T1167] do_syscall_64+0xc6/0x1e0 [ 3637.521655][ T1167] [ 3637.523874][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3637.523874][ T1167] netdev_get_by_index+0x5e/0x80 [ 3637.523874][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3637.523874][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3637.523874][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3637.523874][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3637.523874][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3637.523874][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3637.523874][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3637.523874][ T1167] addrconf_dad_begin+0x310/0x670 [ 3637.523874][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3637.523874][ T1167] process_one_work+0x84d/0x18a0 [ 3637.523874][ T1167] worker_thread+0x587/0xd30 [ 3637.523874][ T1167] kthread+0x28a/0x350 [ 3637.523874][ T1167] ret_from_fork+0x31/0x70 [ 3637.523874][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3637.523874][ T1167] [ 3637.526023][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3637.526023][ T1167] netdev_get_by_index+0x5e/0x80 [ 3637.526023][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3637.526023][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3637.526023][ T1167] ip6_route_add+0x1c/0x140 [ 3637.526023][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3637.526023][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3637.526023][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3637.526023][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3637.526023][ T1167] netlink_rcv_skb+0x130/0x360 [ 3637.526023][ T1167] netlink_unicast+0x449/0x710 [ 3637.526023][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3637.526023][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3637.526023][ T1167] ___sys_sendmsg+0xee/0x170 [ 3637.526023][ T1167] __sys_sendmsg+0xcd/0x170 [ 3637.526023][ T1167] do_syscall_64+0xc6/0x1e0 [ 3637.526023][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3637.526023][ T1167] [ 3637.528292][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3637.528292][ T1167] netdev_get_by_index+0x5e/0x80 [ 3637.528292][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3637.528292][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3637.528292][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3637.528292][ T1167] ipv6_add_addr+0x411/0x2000 [ 3637.528292][ T1167] inet6_addr_add+0x30e/0xa40 [ 3637.528292][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3637.528292][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3637.528292][ T1167] netlink_rcv_skb+0x130/0x360 [ 3637.528292][ T1167] netlink_unicast+0x449/0x710 [ 3637.528292][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3637.528292][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3637.528292][ T1167] ___sys_sendmsg+0xee/0x170 [ 3637.528292][ T1167] __sys_sendmsg+0xcd/0x170 [ 3637.528292][ T1167] do_syscall_64+0xc6/0x1e0 [ 3637.528292][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3637.528292][ T1167] [ 3637.530549][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3637.530549][ T1167] netdev_get_by_index+0x5e/0x80 [ 3637.530549][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3637.530549][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3637.530549][ T1167] ip6_route_add+0x1c/0x140 [ 3637.530549][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3637.530549][ T1167] addrconf_add_dev+0xe2/0x170 [ 3637.530549][ T1167] inet6_addr_add+0x12f/0xa40 [ 3637.530549][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3637.530549][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3637.530549][ T1167] netlink_rcv_skb+0x130/0x360 [ 3637.530549][ T1167] netlink_unicast+0x449/0x710 [ 3637.530549][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3637.530549][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3637.530549][ T1167] ___sys_sendmsg+0xee/0x170 [ 3637.530549][ T1167] __sys_sendmsg+0xcd/0x170 [ 3637.530549][ T1167] do_syscall_64+0xc6/0x1e0 [ 3637.530549][ T1167] [ 3637.532764][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3637.532764][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3637.532764][ T1167] ipv6_find_idev+0x102/0x170 [ 3637.532764][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3637.532764][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3637.532764][ T1167] netlink_rcv_skb+0x130/0x360 [ 3637.532764][ T1167] netlink_unicast+0x449/0x710 [ 3637.532764][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3637.532764][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3637.532764][ T1167] ___sys_sendmsg+0xee/0x170 [ 3637.532764][ T1167] __sys_sendmsg+0xcd/0x170 [ 3637.532764][ T1167] do_syscall_64+0xc6/0x1e0 [ 3637.532764][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3637.532764][ T1167] [ 3637.534502][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3637.534502][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3637.534502][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3637.534502][ T1167] ipv6_find_idev+0x102/0x170 [ 3637.534502][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3637.534502][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3637.534502][ T1167] netlink_rcv_skb+0x130/0x360 [ 3637.534502][ T1167] netlink_unicast+0x449/0x710 [ 3637.534502][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3637.534502][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3637.534502][ T1167] ___sys_sendmsg+0xee/0x170 [ 3637.534502][ T1167] __sys_sendmsg+0xcd/0x170 [ 3637.534502][ T1167] do_syscall_64+0xc6/0x1e0 [ 3637.534502][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3637.534502][ T1167] [ 3638.369126][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3638.369557][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3638.369557][ T10] netdev_get_by_index+0x5e/0x80 [ 3638.369557][ T10] fib6_nh_init+0x3d8/0x1580 [ 3638.369557][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3638.369557][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3638.369557][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3638.369557][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3638.369557][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3638.369557][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3638.369557][ T10] addrconf_dad_begin+0x310/0x670 [ 3638.369557][ T10] addrconf_dad_work+0x10b/0xab0 [ 3638.369557][ T10] process_one_work+0x84d/0x18a0 [ 3638.369557][ T10] worker_thread+0x587/0xd30 [ 3638.369557][ T10] kthread+0x28a/0x350 [ 3638.369557][ T10] ret_from_fork+0x31/0x70 [ 3638.369557][ T10] ret_from_fork_asm+0x1a/0x30 [ 3638.369557][ T10] [ 3638.371549][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3638.371549][ T10] netdev_get_by_index+0x5e/0x80 [ 3638.371549][ T10] fib6_nh_init+0x3d8/0x1580 [ 3638.371549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3638.371549][ T10] ip6_route_add+0x1c/0x140 [ 3638.371549][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3638.371549][ T10] inet6_addr_add+0x4f8/0xa40 [ 3638.371549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3638.371549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.371549][ T10] netlink_rcv_skb+0x130/0x360 [ 3638.371549][ T10] netlink_unicast+0x449/0x710 [ 3638.371549][ T10] netlink_sendmsg+0x723/0xbe0 [ 3638.371549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3638.371549][ T10] ___sys_sendmsg+0xee/0x170 [ 3638.371549][ T10] __sys_sendmsg+0xcd/0x170 [ 3638.371549][ T10] do_syscall_64+0xc6/0x1e0 [ 3638.371549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3638.371549][ T10] [ 3638.373550][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3638.373550][ T10] netdev_get_by_index+0x5e/0x80 [ 3638.373550][ T10] fib6_nh_init+0x3d8/0x1580 [ 3638.373550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3638.373550][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3638.373550][ T10] ipv6_add_addr+0x411/0x2000 [ 3638.373550][ T10] inet6_addr_add+0x30e/0xa40 [ 3638.373550][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3638.373550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.373550][ T10] netlink_rcv_skb+0x130/0x360 [ 3638.373550][ T10] netlink_unicast+0x449/0x710 [ 3638.373550][ T10] netlink_sendmsg+0x723/0xbe0 [ 3638.373550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3638.373550][ T10] ___sys_sendmsg+0xee/0x170 [ 3638.373550][ T10] __sys_sendmsg+0xcd/0x170 [ 3638.373550][ T10] do_syscall_64+0xc6/0x1e0 [ 3638.373550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3638.373550][ T10] [ 3638.375547][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3638.375547][ T10] netdev_get_by_index+0x5e/0x80 [ 3638.375547][ T10] fib6_nh_init+0x3d8/0x1580 [ 3638.375547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3638.375547][ T10] ip6_route_add+0x1c/0x140 [ 3638.375547][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3638.375547][ T10] addrconf_add_dev+0xe2/0x170 [ 3638.375547][ T10] inet6_addr_add+0x12f/0xa40 [ 3638.375547][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3638.375547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.375547][ T10] netlink_rcv_skb+0x130/0x360 [ 3638.375547][ T10] netlink_unicast+0x449/0x710 [ 3638.375547][ T10] netlink_sendmsg+0x723/0xbe0 [ 3638.375547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3638.375547][ T10] ___sys_sendmsg+0xee/0x170 [ 3638.375547][ T10] __sys_sendmsg+0xcd/0x170 [ 3638.375547][ T10] do_syscall_64+0xc6/0x1e0 [ 3638.375547][ T10] [ 3638.377510][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3638.377510][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3638.377510][ T10] ipv6_find_idev+0x102/0x170 [ 3638.377510][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3638.377510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.377510][ T10] netlink_rcv_skb+0x130/0x360 [ 3638.377510][ T10] netlink_unicast+0x449/0x710 [ 3638.377510][ T10] netlink_sendmsg+0x723/0xbe0 [ 3638.377510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3638.377510][ T10] ___sys_sendmsg+0xee/0x170 [ 3638.377510][ T10] __sys_sendmsg+0xcd/0x170 [ 3638.377510][ T10] do_syscall_64+0xc6/0x1e0 [ 3638.377510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3638.377510][ T10] [ 3638.379045][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3638.379045][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3638.379045][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3638.379045][ T10] ipv6_find_idev+0x102/0x170 [ 3638.379045][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3638.379045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.379045][ T10] netlink_rcv_skb+0x130/0x360 [ 3638.379045][ T10] netlink_unicast+0x449/0x710 [ 3638.379045][ T10] netlink_sendmsg+0x723/0xbe0 [ 3638.379045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3638.379045][ T10] ___sys_sendmsg+0xee/0x170 [ 3638.379045][ T10] __sys_sendmsg+0xcd/0x170 [ 3638.379045][ T10] do_syscall_64+0xc6/0x1e0 [ 3638.379045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3638.379045][ T10] [ 3638.380729][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3638.380983][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3638.380983][ T10] netdev_get_by_index+0x5e/0x80 [ 3638.380983][ T10] fib6_nh_init+0x3d8/0x1580 [ 3638.380983][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3638.380983][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3638.380983][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3638.380983][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3638.380983][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3638.380983][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3638.380983][ T10] addrconf_dad_begin+0x310/0x670 [ 3638.380983][ T10] addrconf_dad_work+0x10b/0xab0 [ 3638.380983][ T10] process_one_work+0x84d/0x18a0 [ 3638.380983][ T10] worker_thread+0x587/0xd30 [ 3638.380983][ T10] kthread+0x28a/0x350 [ 3638.380983][ T10] ret_from_fork+0x31/0x70 [ 3638.380983][ T10] ret_from_fork_asm+0x1a/0x30 [ 3638.380983][ T10] [ 3638.382898][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3638.382898][ T10] netdev_get_by_index+0x5e/0x80 [ 3638.382898][ T10] fib6_nh_init+0x3d8/0x1580 [ 3638.382898][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3638.382898][ T10] ip6_route_add+0x1c/0x140 [ 3638.382898][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3638.382898][ T10] inet6_addr_add+0x4f8/0xa40 [ 3638.382898][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3638.382898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.382898][ T10] netlink_rcv_skb+0x130/0x360 [ 3638.382898][ T10] netlink_unicast+0x449/0x710 [ 3638.382898][ T10] netlink_sendmsg+0x723/0xbe0 [ 3638.382898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3638.382898][ T10] ___sys_sendmsg+0xee/0x170 [ 3638.382898][ T10] __sys_sendmsg+0xcd/0x170 [ 3638.382898][ T10] do_syscall_64+0xc6/0x1e0 [ 3638.382898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3638.382898][ T10] [ 3638.384887][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3638.384887][ T10] netdev_get_by_index+0x5e/0x80 [ 3638.384887][ T10] fib6_nh_init+0x3d8/0x1580 [ 3638.384887][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3638.384887][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3638.384887][ T10] ipv6_add_addr+0x411/0x2000 [ 3638.384887][ T10] inet6_addr_add+0x30e/0xa40 [ 3638.384887][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3638.384887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.384887][ T10] netlink_rcv_skb+0x130/0x360 [ 3638.384887][ T10] netlink_unicast+0x449/0x710 [ 3638.384887][ T10] netlink_sendmsg+0x723/0xbe0 [ 3638.384887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3638.384887][ T10] ___sys_sendmsg+0xee/0x170 [ 3638.384887][ T10] __sys_sendmsg+0xcd/0x170 [ 3638.384887][ T10] do_syscall_64+0xc6/0x1e0 [ 3638.384887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3638.384887][ T10] [ 3638.386918][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3638.386918][ T10] netdev_get_by_index+0x5e/0x80 [ 3638.386918][ T10] fib6_nh_init+0x3d8/0x1580 [ 3638.386918][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3638.386918][ T10] ip6_route_add+0x1c/0x140 [ 3638.386918][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3638.386918][ T10] addrconf_add_dev+0xe2/0x170 [ 3638.386918][ T10] inet6_addr_add+0x12f/0xa40 [ 3638.386918][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3638.386918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.386918][ T10] netlink_rcv_skb+0x130/0x360 [ 3638.386918][ T10] netlink_unicast+0x449/0x710 [ 3638.386918][ T10] netlink_sendmsg+0x723/0xbe0 [ 3638.386918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3638.386918][ T10] ___sys_sendmsg+0xee/0x170 [ 3638.386918][ T10] __sys_sendmsg+0xcd/0x170 [ 3638.386918][ T10] do_syscall_64+0xc6/0x1e0 [ 3638.386918][ T10] [ 3638.389397][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3638.389397][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3638.389397][ T10] ipv6_find_idev+0x102/0x170 [ 3638.389397][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3638.389397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.389397][ T10] netlink_rcv_skb+0x130/0x360 [ 3638.389397][ T10] netlink_unicast+0x449/0x710 [ 3638.389397][ T10] netlink_sendmsg+0x723/0xbe0 [ 3638.389397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3638.389397][ T10] ___sys_sendmsg+0xee/0x170 [ 3638.389397][ T10] __sys_sendmsg+0xcd/0x170 [ 3638.389397][ T10] do_syscall_64+0xc6/0x1e0 [ 3638.389397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3638.389397][ T10] [ 3638.390956][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3638.390956][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3638.390956][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3638.390956][ T10] ipv6_find_idev+0x102/0x170 [ 3638.390956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3638.390956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.390956][ T10] netlink_rcv_skb+0x130/0x360 [ 3638.390956][ T10] netlink_unicast+0x449/0x710 [ 3638.390956][ T10] netlink_sendmsg+0x723/0xbe0 [ 3638.390956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3638.390956][ T10] ___sys_sendmsg+0xee/0x170 [ 3638.390956][ T10] __sys_sendmsg+0xcd/0x170 [ 3638.390956][ T10] do_syscall_64+0xc6/0x1e0 [ 3638.390956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3638.390956][ T10] [ 3638.392637][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3638.392882][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3638.392882][ T10] netdev_get_by_index+0x5e/0x80 [ 3638.392882][ T10] fib6_nh_init+0x3d8/0x1580 [ 3638.392882][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3638.392882][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3638.392882][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3638.392882][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3638.392882][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3638.392882][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3638.392882][ T10] addrconf_dad_begin+0x310/0x670 [ 3638.392882][ T10] addrconf_dad_work+0x10b/0xab0 [ 3638.392882][ T10] process_one_work+0x84d/0x18a0 [ 3638.392882][ T10] worker_thread+0x587/0xd30 [ 3638.392882][ T10] kthread+0x28a/0x350 [ 3638.392882][ T10] ret_from_fork+0x31/0x70 [ 3638.392882][ T10] ret_from_fork_asm+0x1a/0x30 [ 3638.392882][ T10] [ 3638.394800][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3638.394800][ T10] netdev_get_by_index+0x5e/0x80 [ 3638.394800][ T10] fib6_nh_init+0x3d8/0x1580 [ 3638.394800][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3638.394800][ T10] ip6_route_add+0x1c/0x140 [ 3638.394800][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3638.394800][ T10] inet6_addr_add+0x4f8/0xa40 [ 3638.394800][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3638.394800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.394800][ T10] netlink_rcv_skb+0x130/0x360 [ 3638.394800][ T10] netlink_unicast+0x449/0x710 [ 3638.394800][ T10] netlink_sendmsg+0x723/0xbe0 [ 3638.394800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3638.394800][ T10] ___sys_sendmsg+0xee/0x170 [ 3638.394800][ T10] __sys_sendmsg+0xcd/0x170 [ 3638.394800][ T10] do_syscall_64+0xc6/0x1e0 [ 3638.394800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3638.394800][ T10] [ 3638.396933][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3638.396933][ T10] netdev_get_by_index+0x5e/0x80 [ 3638.396933][ T10] fib6_nh_init+0x3d8/0x1580 [ 3638.396933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3638.396933][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3638.396933][ T10] ipv6_add_addr+0x411/0x2000 [ 3638.396933][ T10] inet6_addr_add+0x30e/0xa40 [ 3638.396933][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3638.396933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.396933][ T10] netlink_rcv_skb+0x130/0x360 [ 3638.396933][ T10] netlink_unicast+0x449/0x710 [ 3638.396933][ T10] netlink_sendmsg+0x723/0xbe0 [ 3638.396933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3638.396933][ T10] ___sys_sendmsg+0xee/0x170 [ 3638.396933][ T10] __sys_sendmsg+0xcd/0x170 [ 3638.396933][ T10] do_syscall_64+0xc6/0x1e0 [ 3638.396933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3638.396933][ T10] [ 3638.399063][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3638.399063][ T10] netdev_get_by_index+0x5e/0x80 [ 3638.399063][ T10] fib6_nh_init+0x3d8/0x1580 [ 3638.399063][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3638.399063][ T10] ip6_route_add+0x1c/0x140 [ 3638.399063][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3638.399063][ T10] addrconf_add_dev+0xe2/0x170 [ 3638.399063][ T10] inet6_addr_add+0x12f/0xa40 [ 3638.399063][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3638.399063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.399063][ T10] netlink_rcv_skb+0x130/0x360 [ 3638.399063][ T10] netlink_unicast+0x449/0x710 [ 3638.399063][ T10] netlink_sendmsg+0x723/0xbe0 [ 3638.399063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3638.399063][ T10] ___sys_sendmsg+0xee/0x170 [ 3638.399063][ T10] __sys_sendmsg+0xcd/0x170 [ 3638.399063][ T10] do_syscall_64+0xc6/0x1e0 [ 3638.399063][ T10] [ 3638.401180][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3638.401180][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3638.401180][ T10] ipv6_find_idev+0x102/0x170 [ 3638.401180][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3638.401180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.401180][ T10] netlink_rcv_skb+0x130/0x360 [ 3638.401180][ T10] netlink_unicast+0x449/0x710 [ 3638.401180][ T10] netlink_sendmsg+0x723/0xbe0 [ 3638.401180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3638.401180][ T10] ___sys_sendmsg+0xee/0x170 [ 3638.401180][ T10] __sys_sendmsg+0xcd/0x170 [ 3638.401180][ T10] do_syscall_64+0xc6/0x1e0 [ 3638.401180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3638.401180][ T10] [ 3638.402778][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3638.402778][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3638.402778][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3638.402778][ T10] ipv6_find_idev+0x102/0x170 [ 3638.402778][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3638.402778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.402778][ T10] netlink_rcv_skb+0x130/0x360 [ 3638.402778][ T10] netlink_unicast+0x449/0x710 [ 3638.402778][ T10] netlink_sendmsg+0x723/0xbe0 [ 3638.402778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3638.402778][ T10] ___sys_sendmsg+0xee/0x170 [ 3638.402778][ T10] __sys_sendmsg+0xcd/0x170 [ 3638.402778][ T10] do_syscall_64+0xc6/0x1e0 [ 3638.402778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3638.402778][ T10] [ 3638.404596][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3638.404838][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3638.404838][ T10] netdev_get_by_index+0x5e/0x80 [ 3638.404838][ T10] fib6_nh_init+0x3d8/0x1580 [ 3638.404838][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3638.404838][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3638.404838][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3638.404838][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3638.404838][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3638.404838][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3638.404838][ T10] addrconf_dad_begin+0x310/0x670 [ 3638.404838][ T10] addrconf_dad_work+0x10b/0xab0 [ 3638.404838][ T10] process_one_work+0x84d/0x18a0 [ 3638.404838][ T10] worker_thread+0x587/0xd30 [ 3638.404838][ T10] kthread+0x28a/0x350 [ 3638.404838][ T10] ret_from_fork+0x31/0x70 [ 3638.404838][ T10] ret_from_fork_asm+0x1a/0x30 [ 3638.404838][ T10] [ 3638.406884][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3638.406884][ T10] netdev_get_by_index+0x5e/0x80 [ 3638.406884][ T10] fib6_nh_init+0x3d8/0x1580 [ 3638.406884][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3638.406884][ T10] ip6_route_add+0x1c/0x140 [ 3638.406884][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3638.406884][ T10] inet6_addr_add+0x4f8/0xa40 [ 3638.406884][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3638.406884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.406884][ T10] netlink_rcv_skb+0x130/0x360 [ 3638.406884][ T10] netlink_unicast+0x449/0x710 [ 3638.406884][ T10] netlink_sendmsg+0x723/0xbe0 [ 3638.406884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3638.406884][ T10] ___sys_sendmsg+0xee/0x170 [ 3638.406884][ T10] __sys_sendmsg+0xcd/0x170 [ 3638.406884][ T10] do_syscall_64+0xc6/0x1e0 [ 3638.406884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3638.406884][ T10] [ 3638.409017][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3638.409017][ T10] netdev_get_by_index+0x5e/0x80 [ 3638.409017][ T10] fib6_nh_init+0x3d8/0x1580 [ 3638.409017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3638.409017][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3638.409017][ T10] ipv6_add_addr+0x411/0x2000 [ 3638.409017][ T10] inet6_addr_add+0x30e/0xa40 [ 3638.409017][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3638.409017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.409017][ T10] netlink_rcv_skb+0x130/0x360 [ 3638.409017][ T10] netlink_unicast+0x449/0x710 [ 3638.409017][ T10] netlink_sendmsg+0x723/0xbe0 [ 3638.409017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3638.409017][ T10] ___sys_sendmsg+0xee/0x170 [ 3638.409017][ T10] __sys_sendmsg+0xcd/0x170 [ 3638.409017][ T10] do_syscall_64+0xc6/0x1e0 [ 3638.409017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3638.409017][ T10] [ 3638.413588][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3638.413588][ T10] netdev_get_by_index+0x5e/0x80 [ 3638.413588][ T10] fib6_nh_init+0x3d8/0x1580 [ 3638.413588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3638.413588][ T10] ip6_route_add+0x1c/0x140 [ 3638.413588][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3638.413588][ T10] addrconf_add_dev+0xe2/0x170 [ 3638.413588][ T10] inet6_addr_add+0x12f/0xa40 [ 3638.413588][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3638.413588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.413588][ T10] netlink_rcv_skb+0x130/0x360 [ 3638.413588][ T10] netlink_unicast+0x449/0x710 [ 3638.413588][ T10] netlink_sendmsg+0x723/0xbe0 [ 3638.413588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3638.413588][ T10] ___sys_sendmsg+0xee/0x170 [ 3638.413588][ T10] __sys_sendmsg+0xcd/0x170 [ 3638.413588][ T10] do_syscall_64+0xc6/0x1e0 [ 3638.413588][ T10] [ 3638.415699][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3638.415699][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3638.415699][ T10] ipv6_find_idev+0x102/0x170 [ 3638.415699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3638.415699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.415699][ T10] netlink_rcv_skb+0x130/0x360 [ 3638.415699][ T10] netlink_unicast+0x449/0x710 [ 3638.415699][ T10] netlink_sendmsg+0x723/0xbe0 [ 3638.415699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3638.415699][ T10] ___sys_sendmsg+0xee/0x170 [ 3638.415699][ T10] __sys_sendmsg+0xcd/0x170 [ 3638.415699][ T10] do_syscall_64+0xc6/0x1e0 [ 3638.415699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3638.415699][ T10] [ 3638.417299][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3638.417299][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3638.417299][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3638.417299][ T10] ipv6_find_idev+0x102/0x170 [ 3638.417299][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3638.417299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.417299][ T10] netlink_rcv_skb+0x130/0x360 [ 3638.417299][ T10] netlink_unicast+0x449/0x710 [ 3638.417299][ T10] netlink_sendmsg+0x723/0xbe0 [ 3638.417299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3638.417299][ T10] ___sys_sendmsg+0xee/0x170 [ 3638.417299][ T10] __sys_sendmsg+0xcd/0x170 [ 3638.417299][ T10] do_syscall_64+0xc6/0x1e0 [ 3638.417299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3638.417299][ T10] [ 3647.553141][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3647.553658][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3647.553658][ T1167] dst_init+0x84/0x4a0 [ 3647.553658][ T1167] dst_alloc+0x97/0x150 [ 3647.553658][ T1167] ip6_dst_alloc+0x23/0x90 [ 3647.553658][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3647.553658][ T1167] ip6_pol_route+0x56f/0x840 [ 3647.553658][ T1167] fib6_rule_lookup+0x334/0x630 [ 3647.553658][ T1167] ip6_route_output_flags+0x259/0x480 [ 3647.553658][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3647.553658][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3647.553658][ T1167] netlink_rcv_skb+0x130/0x360 [ 3647.553658][ T1167] netlink_unicast+0x449/0x710 [ 3647.553658][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3647.553658][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3647.553658][ T1167] ___sys_sendmsg+0xee/0x170 [ 3647.553658][ T1167] __sys_sendmsg+0xcd/0x170 [ 3647.553658][ T1167] do_syscall_64+0xc6/0x1e0 [ 3647.553658][ T1167] [ 3647.555877][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3647.555877][ T1167] netdev_get_by_index+0x5e/0x80 [ 3647.555877][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3647.555877][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3647.555877][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3647.555877][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3647.555877][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3647.555877][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3647.555877][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3647.555877][ T1167] addrconf_dad_begin+0x310/0x670 [ 3647.555877][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3647.555877][ T1167] process_one_work+0x84d/0x18a0 [ 3647.555877][ T1167] worker_thread+0x587/0xd30 [ 3647.555877][ T1167] kthread+0x28a/0x350 [ 3647.555877][ T1167] ret_from_fork+0x31/0x70 [ 3647.555877][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3647.555877][ T1167] [ 3647.558050][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3647.558050][ T1167] netdev_get_by_index+0x5e/0x80 [ 3647.558050][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3647.558050][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3647.558050][ T1167] ip6_route_add+0x1c/0x140 [ 3647.558050][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3647.558050][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3647.558050][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3647.558050][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3647.558050][ T1167] netlink_rcv_skb+0x130/0x360 [ 3647.558050][ T1167] netlink_unicast+0x449/0x710 [ 3647.558050][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3647.558050][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3647.558050][ T1167] ___sys_sendmsg+0xee/0x170 [ 3647.558050][ T1167] __sys_sendmsg+0xcd/0x170 [ 3647.558050][ T1167] do_syscall_64+0xc6/0x1e0 [ 3647.558050][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3647.558050][ T1167] [ 3647.560303][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3647.560303][ T1167] netdev_get_by_index+0x5e/0x80 [ 3647.560303][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3647.560303][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3647.560303][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3647.560303][ T1167] ipv6_add_addr+0x411/0x2000 [ 3647.560303][ T1167] inet6_addr_add+0x30e/0xa40 [ 3647.560303][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3647.560303][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3647.560303][ T1167] netlink_rcv_skb+0x130/0x360 [ 3647.560303][ T1167] netlink_unicast+0x449/0x710 [ 3647.560303][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3647.560303][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3647.560303][ T1167] ___sys_sendmsg+0xee/0x170 [ 3647.560303][ T1167] __sys_sendmsg+0xcd/0x170 [ 3647.560303][ T1167] do_syscall_64+0xc6/0x1e0 [ 3647.560303][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3647.560303][ T1167] [ 3647.562562][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3647.562562][ T1167] netdev_get_by_index+0x5e/0x80 [ 3647.562562][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3647.562562][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3647.562562][ T1167] ip6_route_add+0x1c/0x140 [ 3647.562562][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3647.562562][ T1167] addrconf_add_dev+0xe2/0x170 [ 3647.562562][ T1167] inet6_addr_add+0x12f/0xa40 [ 3647.562562][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3647.562562][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3647.562562][ T1167] netlink_rcv_skb+0x130/0x360 [ 3647.562562][ T1167] netlink_unicast+0x449/0x710 [ 3647.562562][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3647.562562][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3647.562562][ T1167] ___sys_sendmsg+0xee/0x170 [ 3647.562562][ T1167] __sys_sendmsg+0xcd/0x170 [ 3647.562562][ T1167] do_syscall_64+0xc6/0x1e0 [ 3647.562562][ T1167] [ 3647.564782][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3647.564782][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3647.564782][ T1167] ipv6_find_idev+0x102/0x170 [ 3647.564782][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3647.564782][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3647.564782][ T1167] netlink_rcv_skb+0x130/0x360 [ 3647.564782][ T1167] netlink_unicast+0x449/0x710 [ 3647.564782][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3647.564782][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3647.564782][ T1167] ___sys_sendmsg+0xee/0x170 [ 3647.564782][ T1167] __sys_sendmsg+0xcd/0x170 [ 3647.564782][ T1167] do_syscall_64+0xc6/0x1e0 [ 3647.564782][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3647.564782][ T1167] [ 3647.566530][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3647.566530][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3647.566530][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3647.566530][ T1167] ipv6_find_idev+0x102/0x170 [ 3647.566530][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3647.566530][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3647.566530][ T1167] netlink_rcv_skb+0x130/0x360 [ 3647.566530][ T1167] netlink_unicast+0x449/0x710 [ 3647.566530][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3647.566530][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3647.566530][ T1167] ___sys_sendmsg+0xee/0x170 [ 3647.566530][ T1167] __sys_sendmsg+0xcd/0x170 [ 3647.566530][ T1167] do_syscall_64+0xc6/0x1e0 [ 3647.566530][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3647.566530][ T1167] [ 3648.577238][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3648.577683][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3648.577683][ T10] netdev_get_by_index+0x5e/0x80 [ 3648.577683][ T10] fib6_nh_init+0x3d8/0x1580 [ 3648.577683][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3648.577683][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3648.577683][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3648.577683][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3648.577683][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3648.577683][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3648.577683][ T10] addrconf_dad_begin+0x310/0x670 [ 3648.577683][ T10] addrconf_dad_work+0x10b/0xab0 [ 3648.577683][ T10] process_one_work+0x84d/0x18a0 [ 3648.577683][ T10] worker_thread+0x587/0xd30 [ 3648.577683][ T10] kthread+0x28a/0x350 [ 3648.577683][ T10] ret_from_fork+0x31/0x70 [ 3648.577683][ T10] ret_from_fork_asm+0x1a/0x30 [ 3648.577683][ T10] [ 3648.579618][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3648.579618][ T10] netdev_get_by_index+0x5e/0x80 [ 3648.579618][ T10] fib6_nh_init+0x3d8/0x1580 [ 3648.579618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3648.579618][ T10] ip6_route_add+0x1c/0x140 [ 3648.579618][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3648.579618][ T10] inet6_addr_add+0x4f8/0xa40 [ 3648.579618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3648.579618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.579618][ T10] netlink_rcv_skb+0x130/0x360 [ 3648.579618][ T10] netlink_unicast+0x449/0x710 [ 3648.579618][ T10] netlink_sendmsg+0x723/0xbe0 [ 3648.579618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3648.579618][ T10] ___sys_sendmsg+0xee/0x170 [ 3648.579618][ T10] __sys_sendmsg+0xcd/0x170 [ 3648.579618][ T10] do_syscall_64+0xc6/0x1e0 [ 3648.579618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3648.579618][ T10] [ 3648.581640][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3648.581640][ T10] netdev_get_by_index+0x5e/0x80 [ 3648.581640][ T10] fib6_nh_init+0x3d8/0x1580 [ 3648.581640][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3648.581640][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3648.581640][ T10] ipv6_add_addr+0x411/0x2000 [ 3648.581640][ T10] inet6_addr_add+0x30e/0xa40 [ 3648.581640][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3648.581640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.581640][ T10] netlink_rcv_skb+0x130/0x360 [ 3648.581640][ T10] netlink_unicast+0x449/0x710 [ 3648.581640][ T10] netlink_sendmsg+0x723/0xbe0 [ 3648.581640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3648.581640][ T10] ___sys_sendmsg+0xee/0x170 [ 3648.581640][ T10] __sys_sendmsg+0xcd/0x170 [ 3648.581640][ T10] do_syscall_64+0xc6/0x1e0 [ 3648.581640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3648.581640][ T10] [ 3648.583642][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3648.583642][ T10] netdev_get_by_index+0x5e/0x80 [ 3648.583642][ T10] fib6_nh_init+0x3d8/0x1580 [ 3648.583642][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3648.583642][ T10] ip6_route_add+0x1c/0x140 [ 3648.583642][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3648.583642][ T10] addrconf_add_dev+0xe2/0x170 [ 3648.583642][ T10] inet6_addr_add+0x12f/0xa40 [ 3648.583642][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3648.583642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.583642][ T10] netlink_rcv_skb+0x130/0x360 [ 3648.583642][ T10] netlink_unicast+0x449/0x710 [ 3648.583642][ T10] netlink_sendmsg+0x723/0xbe0 [ 3648.583642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3648.583642][ T10] ___sys_sendmsg+0xee/0x170 [ 3648.583642][ T10] __sys_sendmsg+0xcd/0x170 [ 3648.583642][ T10] do_syscall_64+0xc6/0x1e0 [ 3648.583642][ T10] [ 3648.585612][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3648.585612][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3648.585612][ T10] ipv6_find_idev+0x102/0x170 [ 3648.585612][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3648.585612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.585612][ T10] netlink_rcv_skb+0x130/0x360 [ 3648.585612][ T10] netlink_unicast+0x449/0x710 [ 3648.585612][ T10] netlink_sendmsg+0x723/0xbe0 [ 3648.585612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3648.585612][ T10] ___sys_sendmsg+0xee/0x170 [ 3648.585612][ T10] __sys_sendmsg+0xcd/0x170 [ 3648.585612][ T10] do_syscall_64+0xc6/0x1e0 [ 3648.585612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3648.585612][ T10] [ 3648.587142][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3648.587142][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3648.587142][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3648.587142][ T10] ipv6_find_idev+0x102/0x170 [ 3648.587142][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3648.587142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.587142][ T10] netlink_rcv_skb+0x130/0x360 [ 3648.587142][ T10] netlink_unicast+0x449/0x710 [ 3648.587142][ T10] netlink_sendmsg+0x723/0xbe0 [ 3648.587142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3648.587142][ T10] ___sys_sendmsg+0xee/0x170 [ 3648.587142][ T10] __sys_sendmsg+0xcd/0x170 [ 3648.587142][ T10] do_syscall_64+0xc6/0x1e0 [ 3648.587142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3648.587142][ T10] [ 3648.588834][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3648.589112][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3648.589112][ T10] netdev_get_by_index+0x5e/0x80 [ 3648.589112][ T10] fib6_nh_init+0x3d8/0x1580 [ 3648.589112][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3648.589112][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3648.589112][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3648.589112][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3648.589112][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3648.589112][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3648.589112][ T10] addrconf_dad_begin+0x310/0x670 [ 3648.589112][ T10] addrconf_dad_work+0x10b/0xab0 [ 3648.589112][ T10] process_one_work+0x84d/0x18a0 [ 3648.589112][ T10] worker_thread+0x587/0xd30 [ 3648.589112][ T10] kthread+0x28a/0x350 [ 3648.589112][ T10] ret_from_fork+0x31/0x70 [ 3648.589112][ T10] ret_from_fork_asm+0x1a/0x30 [ 3648.589112][ T10] [ 3648.591026][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3648.591026][ T10] netdev_get_by_index+0x5e/0x80 [ 3648.591026][ T10] fib6_nh_init+0x3d8/0x1580 [ 3648.591026][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3648.591026][ T10] ip6_route_add+0x1c/0x140 [ 3648.591026][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3648.591026][ T10] inet6_addr_add+0x4f8/0xa40 [ 3648.591026][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3648.591026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.591026][ T10] netlink_rcv_skb+0x130/0x360 [ 3648.591026][ T10] netlink_unicast+0x449/0x710 [ 3648.591026][ T10] netlink_sendmsg+0x723/0xbe0 [ 3648.591026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3648.591026][ T10] ___sys_sendmsg+0xee/0x170 [ 3648.591026][ T10] __sys_sendmsg+0xcd/0x170 [ 3648.591026][ T10] do_syscall_64+0xc6/0x1e0 [ 3648.591026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3648.591026][ T10] [ 3648.593030][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3648.593030][ T10] netdev_get_by_index+0x5e/0x80 [ 3648.593030][ T10] fib6_nh_init+0x3d8/0x1580 [ 3648.593030][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3648.593030][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3648.593030][ T10] ipv6_add_addr+0x411/0x2000 [ 3648.593030][ T10] inet6_addr_add+0x30e/0xa40 [ 3648.593030][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3648.593030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.593030][ T10] netlink_rcv_skb+0x130/0x360 [ 3648.593030][ T10] netlink_unicast+0x449/0x710 [ 3648.593030][ T10] netlink_sendmsg+0x723/0xbe0 [ 3648.593030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3648.593030][ T10] ___sys_sendmsg+0xee/0x170 [ 3648.593030][ T10] __sys_sendmsg+0xcd/0x170 [ 3648.593030][ T10] do_syscall_64+0xc6/0x1e0 [ 3648.593030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3648.593030][ T10] [ 3648.595029][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3648.595029][ T10] netdev_get_by_index+0x5e/0x80 [ 3648.595029][ T10] fib6_nh_init+0x3d8/0x1580 [ 3648.595029][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3648.595029][ T10] ip6_route_add+0x1c/0x140 [ 3648.595029][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3648.595029][ T10] addrconf_add_dev+0xe2/0x170 [ 3648.595029][ T10] inet6_addr_add+0x12f/0xa40 [ 3648.595029][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3648.595029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.595029][ T10] netlink_rcv_skb+0x130/0x360 [ 3648.595029][ T10] netlink_unicast+0x449/0x710 [ 3648.595029][ T10] netlink_sendmsg+0x723/0xbe0 [ 3648.595029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3648.595029][ T10] ___sys_sendmsg+0xee/0x170 [ 3648.595029][ T10] __sys_sendmsg+0xcd/0x170 [ 3648.595029][ T10] do_syscall_64+0xc6/0x1e0 [ 3648.595029][ T10] [ 3648.597008][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3648.597008][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3648.597008][ T10] ipv6_find_idev+0x102/0x170 [ 3648.597008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3648.597008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.597008][ T10] netlink_rcv_skb+0x130/0x360 [ 3648.597008][ T10] netlink_unicast+0x449/0x710 [ 3648.597008][ T10] netlink_sendmsg+0x723/0xbe0 [ 3648.597008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3648.597008][ T10] ___sys_sendmsg+0xee/0x170 [ 3648.597008][ T10] __sys_sendmsg+0xcd/0x170 [ 3648.597008][ T10] do_syscall_64+0xc6/0x1e0 [ 3648.597008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3648.597008][ T10] [ 3648.598539][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3648.598539][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3648.598539][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3648.598539][ T10] ipv6_find_idev+0x102/0x170 [ 3648.598539][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3648.598539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.598539][ T10] netlink_rcv_skb+0x130/0x360 [ 3648.598539][ T10] netlink_unicast+0x449/0x710 [ 3648.598539][ T10] netlink_sendmsg+0x723/0xbe0 [ 3648.598539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3648.598539][ T10] ___sys_sendmsg+0xee/0x170 [ 3648.598539][ T10] __sys_sendmsg+0xcd/0x170 [ 3648.598539][ T10] do_syscall_64+0xc6/0x1e0 [ 3648.598539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3648.598539][ T10] [ 3648.600236][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3648.600483][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3648.600483][ T10] netdev_get_by_index+0x5e/0x80 [ 3648.600483][ T10] fib6_nh_init+0x3d8/0x1580 [ 3648.600483][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3648.600483][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3648.600483][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3648.600483][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3648.600483][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3648.600483][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3648.600483][ T10] addrconf_dad_begin+0x310/0x670 [ 3648.600483][ T10] addrconf_dad_work+0x10b/0xab0 [ 3648.600483][ T10] process_one_work+0x84d/0x18a0 [ 3648.600483][ T10] worker_thread+0x587/0xd30 [ 3648.600483][ T10] kthread+0x28a/0x350 [ 3648.600483][ T10] ret_from_fork+0x31/0x70 [ 3648.600483][ T10] ret_from_fork_asm+0x1a/0x30 [ 3648.600483][ T10] [ 3648.602423][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3648.602423][ T10] netdev_get_by_index+0x5e/0x80 [ 3648.602423][ T10] fib6_nh_init+0x3d8/0x1580 [ 3648.602423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3648.602423][ T10] ip6_route_add+0x1c/0x140 [ 3648.602423][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3648.602423][ T10] inet6_addr_add+0x4f8/0xa40 [ 3648.602423][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3648.602423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.602423][ T10] netlink_rcv_skb+0x130/0x360 [ 3648.602423][ T10] netlink_unicast+0x449/0x710 [ 3648.602423][ T10] netlink_sendmsg+0x723/0xbe0 [ 3648.602423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3648.602423][ T10] ___sys_sendmsg+0xee/0x170 [ 3648.602423][ T10] __sys_sendmsg+0xcd/0x170 [ 3648.602423][ T10] do_syscall_64+0xc6/0x1e0 [ 3648.602423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3648.602423][ T10] [ 3648.604595][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3648.604595][ T10] netdev_get_by_index+0x5e/0x80 [ 3648.604595][ T10] fib6_nh_init+0x3d8/0x1580 [ 3648.604595][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3648.604595][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3648.604595][ T10] ipv6_add_addr+0x411/0x2000 [ 3648.604595][ T10] inet6_addr_add+0x30e/0xa40 [ 3648.604595][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3648.604595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.604595][ T10] netlink_rcv_skb+0x130/0x360 [ 3648.604595][ T10] netlink_unicast+0x449/0x710 [ 3648.604595][ T10] netlink_sendmsg+0x723/0xbe0 [ 3648.604595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3648.604595][ T10] ___sys_sendmsg+0xee/0x170 [ 3648.604595][ T10] __sys_sendmsg+0xcd/0x170 [ 3648.604595][ T10] do_syscall_64+0xc6/0x1e0 [ 3648.604595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3648.604595][ T10] [ 3648.606833][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3648.606833][ T10] netdev_get_by_index+0x5e/0x80 [ 3648.606833][ T10] fib6_nh_init+0x3d8/0x1580 [ 3648.606833][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3648.606833][ T10] ip6_route_add+0x1c/0x140 [ 3648.606833][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3648.606833][ T10] addrconf_add_dev+0xe2/0x170 [ 3648.606833][ T10] inet6_addr_add+0x12f/0xa40 [ 3648.606833][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3648.606833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.606833][ T10] netlink_rcv_skb+0x130/0x360 [ 3648.606833][ T10] netlink_unicast+0x449/0x710 [ 3648.606833][ T10] netlink_sendmsg+0x723/0xbe0 [ 3648.606833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3648.606833][ T10] ___sys_sendmsg+0xee/0x170 [ 3648.606833][ T10] __sys_sendmsg+0xcd/0x170 [ 3648.606833][ T10] do_syscall_64+0xc6/0x1e0 [ 3648.606833][ T10] [ 3648.608976][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3648.608976][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3648.608976][ T10] ipv6_find_idev+0x102/0x170 [ 3648.608976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3648.608976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.608976][ T10] netlink_rcv_skb+0x130/0x360 [ 3648.608976][ T10] netlink_unicast+0x449/0x710 [ 3648.608976][ T10] netlink_sendmsg+0x723/0xbe0 [ 3648.608976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3648.608976][ T10] ___sys_sendmsg+0xee/0x170 [ 3648.608976][ T10] __sys_sendmsg+0xcd/0x170 [ 3648.608976][ T10] do_syscall_64+0xc6/0x1e0 [ 3648.608976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3648.608976][ T10] [ 3648.610698][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3648.610698][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3648.610698][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3648.610698][ T10] ipv6_find_idev+0x102/0x170 [ 3648.610698][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3648.610698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.610698][ T10] netlink_rcv_skb+0x130/0x360 [ 3648.610698][ T10] netlink_unicast+0x449/0x710 [ 3648.610698][ T10] netlink_sendmsg+0x723/0xbe0 [ 3648.610698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3648.610698][ T10] ___sys_sendmsg+0xee/0x170 [ 3648.610698][ T10] __sys_sendmsg+0xcd/0x170 [ 3648.610698][ T10] do_syscall_64+0xc6/0x1e0 [ 3648.610698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3648.610698][ T10] [ 3648.612679][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3648.612917][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3648.612917][ T10] netdev_get_by_index+0x5e/0x80 [ 3648.612917][ T10] fib6_nh_init+0x3d8/0x1580 [ 3648.612917][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3648.612917][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3648.612917][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3648.612917][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3648.612917][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3648.612917][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3648.612917][ T10] addrconf_dad_begin+0x310/0x670 [ 3648.612917][ T10] addrconf_dad_work+0x10b/0xab0 [ 3648.612917][ T10] process_one_work+0x84d/0x18a0 [ 3648.612917][ T10] worker_thread+0x587/0xd30 [ 3648.612917][ T10] kthread+0x28a/0x350 [ 3648.612917][ T10] ret_from_fork+0x31/0x70 [ 3648.612917][ T10] ret_from_fork_asm+0x1a/0x30 [ 3648.612917][ T10] [ 3648.615070][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3648.615070][ T10] netdev_get_by_index+0x5e/0x80 [ 3648.615070][ T10] fib6_nh_init+0x3d8/0x1580 [ 3648.615070][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3648.615070][ T10] ip6_route_add+0x1c/0x140 [ 3648.615070][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3648.615070][ T10] inet6_addr_add+0x4f8/0xa40 [ 3648.615070][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3648.615070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.615070][ T10] netlink_rcv_skb+0x130/0x360 [ 3648.615070][ T10] netlink_unicast+0x449/0x710 [ 3648.615070][ T10] netlink_sendmsg+0x723/0xbe0 [ 3648.615070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3648.615070][ T10] ___sys_sendmsg+0xee/0x170 [ 3648.615070][ T10] __sys_sendmsg+0xcd/0x170 [ 3648.615070][ T10] do_syscall_64+0xc6/0x1e0 [ 3648.615070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3648.615070][ T10] [ 3648.617250][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3648.617250][ T10] netdev_get_by_index+0x5e/0x80 [ 3648.617250][ T10] fib6_nh_init+0x3d8/0x1580 [ 3648.617250][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3648.617250][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3648.617250][ T10] ipv6_add_addr+0x411/0x2000 [ 3648.617250][ T10] inet6_addr_add+0x30e/0xa40 [ 3648.617250][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3648.617250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.617250][ T10] netlink_rcv_skb+0x130/0x360 [ 3648.617250][ T10] netlink_unicast+0x449/0x710 [ 3648.617250][ T10] netlink_sendmsg+0x723/0xbe0 [ 3648.617250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3648.617250][ T10] ___sys_sendmsg+0xee/0x170 [ 3648.617250][ T10] __sys_sendmsg+0xcd/0x170 [ 3648.617250][ T10] do_syscall_64+0xc6/0x1e0 [ 3648.617250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3648.617250][ T10] [ 3648.619491][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3648.619491][ T10] netdev_get_by_index+0x5e/0x80 [ 3648.619491][ T10] fib6_nh_init+0x3d8/0x1580 [ 3648.619491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3648.619491][ T10] ip6_route_add+0x1c/0x140 [ 3648.619491][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3648.619491][ T10] addrconf_add_dev+0xe2/0x170 [ 3648.619491][ T10] inet6_addr_add+0x12f/0xa40 [ 3648.619491][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3648.619491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.619491][ T10] netlink_rcv_skb+0x130/0x360 [ 3648.619491][ T10] netlink_unicast+0x449/0x710 [ 3648.619491][ T10] netlink_sendmsg+0x723/0xbe0 [ 3648.619491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3648.619491][ T10] ___sys_sendmsg+0xee/0x170 [ 3648.619491][ T10] __sys_sendmsg+0xcd/0x170 [ 3648.619491][ T10] do_syscall_64+0xc6/0x1e0 [ 3648.619491][ T10] [ 3648.621748][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3648.621748][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3648.621748][ T10] ipv6_find_idev+0x102/0x170 [ 3648.621748][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3648.621748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.621748][ T10] netlink_rcv_skb+0x130/0x360 [ 3648.621748][ T10] netlink_unicast+0x449/0x710 [ 3648.621748][ T10] netlink_sendmsg+0x723/0xbe0 [ 3648.621748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3648.621748][ T10] ___sys_sendmsg+0xee/0x170 [ 3648.621748][ T10] __sys_sendmsg+0xcd/0x170 [ 3648.621748][ T10] do_syscall_64+0xc6/0x1e0 [ 3648.621748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3648.621748][ T10] [ 3648.623473][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3648.623473][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3648.623473][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3648.623473][ T10] ipv6_find_idev+0x102/0x170 [ 3648.623473][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3648.623473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.623473][ T10] netlink_rcv_skb+0x130/0x360 [ 3648.623473][ T10] netlink_unicast+0x449/0x710 [ 3648.623473][ T10] netlink_sendmsg+0x723/0xbe0 [ 3648.623473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3648.623473][ T10] ___sys_sendmsg+0xee/0x170 [ 3648.623473][ T10] __sys_sendmsg+0xcd/0x170 [ 3648.623473][ T10] do_syscall_64+0xc6/0x1e0 [ 3648.623473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3648.623473][ T10] [ 3657.585106][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3657.585653][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3657.585653][ T1167] dst_init+0x84/0x4a0 [ 3657.585653][ T1167] dst_alloc+0x97/0x150 [ 3657.585653][ T1167] ip6_dst_alloc+0x23/0x90 [ 3657.585653][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3657.585653][ T1167] ip6_pol_route+0x56f/0x840 [ 3657.585653][ T1167] fib6_rule_lookup+0x334/0x630 [ 3657.585653][ T1167] ip6_route_output_flags+0x259/0x480 [ 3657.585653][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3657.585653][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3657.585653][ T1167] netlink_rcv_skb+0x130/0x360 [ 3657.585653][ T1167] netlink_unicast+0x449/0x710 [ 3657.585653][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3657.585653][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3657.585653][ T1167] ___sys_sendmsg+0xee/0x170 [ 3657.585653][ T1167] __sys_sendmsg+0xcd/0x170 [ 3657.585653][ T1167] do_syscall_64+0xc6/0x1e0 [ 3657.585653][ T1167] [ 3657.587866][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3657.587866][ T1167] netdev_get_by_index+0x5e/0x80 [ 3657.587866][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3657.587866][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3657.587866][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3657.587866][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3657.587866][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3657.587866][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3657.587866][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3657.587866][ T1167] addrconf_dad_begin+0x310/0x670 [ 3657.587866][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3657.587866][ T1167] process_one_work+0x84d/0x18a0 [ 3657.587866][ T1167] worker_thread+0x587/0xd30 [ 3657.587866][ T1167] kthread+0x28a/0x350 [ 3657.587866][ T1167] ret_from_fork+0x31/0x70 [ 3657.587866][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3657.587866][ T1167] [ 3657.590044][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3657.590044][ T1167] netdev_get_by_index+0x5e/0x80 [ 3657.590044][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3657.590044][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3657.590044][ T1167] ip6_route_add+0x1c/0x140 [ 3657.590044][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3657.590044][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3657.590044][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3657.590044][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3657.590044][ T1167] netlink_rcv_skb+0x130/0x360 [ 3657.590044][ T1167] netlink_unicast+0x449/0x710 [ 3657.590044][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3657.590044][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3657.590044][ T1167] ___sys_sendmsg+0xee/0x170 [ 3657.590044][ T1167] __sys_sendmsg+0xcd/0x170 [ 3657.590044][ T1167] do_syscall_64+0xc6/0x1e0 [ 3657.590044][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3657.590044][ T1167] [ 3657.592290][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3657.592290][ T1167] netdev_get_by_index+0x5e/0x80 [ 3657.592290][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3657.592290][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3657.592290][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3657.592290][ T1167] ipv6_add_addr+0x411/0x2000 [ 3657.592290][ T1167] inet6_addr_add+0x30e/0xa40 [ 3657.592290][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3657.592290][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3657.592290][ T1167] netlink_rcv_skb+0x130/0x360 [ 3657.592290][ T1167] netlink_unicast+0x449/0x710 [ 3657.592290][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3657.592290][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3657.592290][ T1167] ___sys_sendmsg+0xee/0x170 [ 3657.592290][ T1167] __sys_sendmsg+0xcd/0x170 [ 3657.592290][ T1167] do_syscall_64+0xc6/0x1e0 [ 3657.592290][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3657.592290][ T1167] [ 3657.594542][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3657.594542][ T1167] netdev_get_by_index+0x5e/0x80 [ 3657.594542][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3657.594542][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3657.594542][ T1167] ip6_route_add+0x1c/0x140 [ 3657.594542][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3657.594542][ T1167] addrconf_add_dev+0xe2/0x170 [ 3657.594542][ T1167] inet6_addr_add+0x12f/0xa40 [ 3657.594542][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3657.594542][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3657.594542][ T1167] netlink_rcv_skb+0x130/0x360 [ 3657.594542][ T1167] netlink_unicast+0x449/0x710 [ 3657.594542][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3657.594542][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3657.594542][ T1167] ___sys_sendmsg+0xee/0x170 [ 3657.594542][ T1167] __sys_sendmsg+0xcd/0x170 [ 3657.594542][ T1167] do_syscall_64+0xc6/0x1e0 [ 3657.594542][ T1167] [ 3657.596756][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3657.596756][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3657.596756][ T1167] ipv6_find_idev+0x102/0x170 [ 3657.596756][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3657.596756][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3657.596756][ T1167] netlink_rcv_skb+0x130/0x360 [ 3657.596756][ T1167] netlink_unicast+0x449/0x710 [ 3657.596756][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3657.596756][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3657.596756][ T1167] ___sys_sendmsg+0xee/0x170 [ 3657.596756][ T1167] __sys_sendmsg+0xcd/0x170 [ 3657.596756][ T1167] do_syscall_64+0xc6/0x1e0 [ 3657.596756][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3657.596756][ T1167] [ 3657.598484][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3657.598484][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3657.598484][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3657.598484][ T1167] ipv6_find_idev+0x102/0x170 [ 3657.598484][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3657.598484][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3657.598484][ T1167] netlink_rcv_skb+0x130/0x360 [ 3657.598484][ T1167] netlink_unicast+0x449/0x710 [ 3657.598484][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3657.598484][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3657.598484][ T1167] ___sys_sendmsg+0xee/0x170 [ 3657.598484][ T1167] __sys_sendmsg+0xcd/0x170 [ 3657.598484][ T1167] do_syscall_64+0xc6/0x1e0 [ 3657.598484][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3657.598484][ T1167] [ 3658.873144][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3658.873493][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3658.873493][ T10] netdev_get_by_index+0x5e/0x80 [ 3658.873493][ T10] fib6_nh_init+0x3d8/0x1580 [ 3658.873493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3658.873493][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3658.873493][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3658.873493][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3658.873493][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3658.873493][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3658.873493][ T10] addrconf_dad_begin+0x310/0x670 [ 3658.873493][ T10] addrconf_dad_work+0x10b/0xab0 [ 3658.873493][ T10] process_one_work+0x84d/0x18a0 [ 3658.873493][ T10] worker_thread+0x587/0xd30 [ 3658.873493][ T10] kthread+0x28a/0x350 [ 3658.873493][ T10] ret_from_fork+0x31/0x70 [ 3658.873493][ T10] ret_from_fork_asm+0x1a/0x30 [ 3658.873493][ T10] [ 3658.875459][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3658.875459][ T10] netdev_get_by_index+0x5e/0x80 [ 3658.875459][ T10] fib6_nh_init+0x3d8/0x1580 [ 3658.875459][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3658.875459][ T10] ip6_route_add+0x1c/0x140 [ 3658.875459][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3658.875459][ T10] inet6_addr_add+0x4f8/0xa40 [ 3658.875459][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3658.875459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3658.875459][ T10] netlink_rcv_skb+0x130/0x360 [ 3658.875459][ T10] netlink_unicast+0x449/0x710 [ 3658.875459][ T10] netlink_sendmsg+0x723/0xbe0 [ 3658.875459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3658.875459][ T10] ___sys_sendmsg+0xee/0x170 [ 3658.875459][ T10] __sys_sendmsg+0xcd/0x170 [ 3658.875459][ T10] do_syscall_64+0xc6/0x1e0 [ 3658.875459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3658.875459][ T10] [ 3658.877468][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3658.877468][ T10] netdev_get_by_index+0x5e/0x80 [ 3658.877468][ T10] fib6_nh_init+0x3d8/0x1580 [ 3658.877468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3658.877468][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3658.877468][ T10] ipv6_add_addr+0x411/0x2000 [ 3658.877468][ T10] inet6_addr_add+0x30e/0xa40 [ 3658.877468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3658.877468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3658.877468][ T10] netlink_rcv_skb+0x130/0x360 [ 3658.877468][ T10] netlink_unicast+0x449/0x710 [ 3658.877468][ T10] netlink_sendmsg+0x723/0xbe0 [ 3658.877468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3658.877468][ T10] ___sys_sendmsg+0xee/0x170 [ 3658.877468][ T10] __sys_sendmsg+0xcd/0x170 [ 3658.877468][ T10] do_syscall_64+0xc6/0x1e0 [ 3658.877468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3658.877468][ T10] [ 3658.879476][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3658.879476][ T10] netdev_get_by_index+0x5e/0x80 [ 3658.879476][ T10] fib6_nh_init+0x3d8/0x1580 [ 3658.879476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3658.879476][ T10] ip6_route_add+0x1c/0x140 [ 3658.879476][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3658.879476][ T10] addrconf_add_dev+0xe2/0x170 [ 3658.879476][ T10] inet6_addr_add+0x12f/0xa40 [ 3658.879476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3658.879476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3658.879476][ T10] netlink_rcv_skb+0x130/0x360 [ 3658.879476][ T10] netlink_unicast+0x449/0x710 [ 3658.879476][ T10] netlink_sendmsg+0x723/0xbe0 [ 3658.879476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3658.879476][ T10] ___sys_sendmsg+0xee/0x170 [ 3658.879476][ T10] __sys_sendmsg+0xcd/0x170 [ 3658.879476][ T10] do_syscall_64+0xc6/0x1e0 [ 3658.879476][ T10] [ 3658.881470][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3658.881470][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3658.881470][ T10] ipv6_find_idev+0x102/0x170 [ 3658.881470][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3658.881470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3658.881470][ T10] netlink_rcv_skb+0x130/0x360 [ 3658.881470][ T10] netlink_unicast+0x449/0x710 [ 3658.881470][ T10] netlink_sendmsg+0x723/0xbe0 [ 3658.881470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3658.881470][ T10] ___sys_sendmsg+0xee/0x170 [ 3658.881470][ T10] __sys_sendmsg+0xcd/0x170 [ 3658.881470][ T10] do_syscall_64+0xc6/0x1e0 [ 3658.881470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3658.881470][ T10] [ 3658.883017][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3658.883017][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3658.883017][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3658.883017][ T10] ipv6_find_idev+0x102/0x170 [ 3658.883017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3658.883017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3658.883017][ T10] netlink_rcv_skb+0x130/0x360 [ 3658.883017][ T10] netlink_unicast+0x449/0x710 [ 3658.883017][ T10] netlink_sendmsg+0x723/0xbe0 [ 3658.883017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3658.883017][ T10] ___sys_sendmsg+0xee/0x170 [ 3658.883017][ T10] __sys_sendmsg+0xcd/0x170 [ 3658.883017][ T10] do_syscall_64+0xc6/0x1e0 [ 3658.883017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3658.883017][ T10] [ 3658.884708][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3658.884964][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3658.884964][ T10] netdev_get_by_index+0x5e/0x80 [ 3658.884964][ T10] fib6_nh_init+0x3d8/0x1580 [ 3658.884964][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3658.884964][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3658.884964][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3658.884964][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3658.884964][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3658.884964][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3658.884964][ T10] addrconf_dad_begin+0x310/0x670 [ 3658.884964][ T10] addrconf_dad_work+0x10b/0xab0 [ 3658.884964][ T10] process_one_work+0x84d/0x18a0 [ 3658.884964][ T10] worker_thread+0x587/0xd30 [ 3658.884964][ T10] kthread+0x28a/0x350 [ 3658.884964][ T10] ret_from_fork+0x31/0x70 [ 3658.884964][ T10] ret_from_fork_asm+0x1a/0x30 [ 3658.884964][ T10] [ 3658.886886][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3658.886886][ T10] netdev_get_by_index+0x5e/0x80 [ 3658.886886][ T10] fib6_nh_init+0x3d8/0x1580 [ 3658.886886][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3658.886886][ T10] ip6_route_add+0x1c/0x140 [ 3658.886886][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3658.886886][ T10] inet6_addr_add+0x4f8/0xa40 [ 3658.886886][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3658.886886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3658.886886][ T10] netlink_rcv_skb+0x130/0x360 [ 3658.886886][ T10] netlink_unicast+0x449/0x710 [ 3658.886886][ T10] netlink_sendmsg+0x723/0xbe0 [ 3658.886886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3658.886886][ T10] ___sys_sendmsg+0xee/0x170 [ 3658.886886][ T10] __sys_sendmsg+0xcd/0x170 [ 3658.886886][ T10] do_syscall_64+0xc6/0x1e0 [ 3658.886886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3658.886886][ T10] [ 3658.888897][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3658.888897][ T10] netdev_get_by_index+0x5e/0x80 [ 3658.888897][ T10] fib6_nh_init+0x3d8/0x1580 [ 3658.888897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3658.888897][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3658.888897][ T10] ipv6_add_addr+0x411/0x2000 [ 3658.888897][ T10] inet6_addr_add+0x30e/0xa40 [ 3658.888897][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3658.888897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3658.888897][ T10] netlink_rcv_skb+0x130/0x360 [ 3658.888897][ T10] netlink_unicast+0x449/0x710 [ 3658.888897][ T10] netlink_sendmsg+0x723/0xbe0 [ 3658.888897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3658.888897][ T10] ___sys_sendmsg+0xee/0x170 [ 3658.888897][ T10] __sys_sendmsg+0xcd/0x170 [ 3658.888897][ T10] do_syscall_64+0xc6/0x1e0 [ 3658.888897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3658.888897][ T10] [ 3658.890906][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3658.890906][ T10] netdev_get_by_index+0x5e/0x80 [ 3658.890906][ T10] fib6_nh_init+0x3d8/0x1580 [ 3658.890906][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3658.890906][ T10] ip6_route_add+0x1c/0x140 [ 3658.890906][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3658.890906][ T10] addrconf_add_dev+0xe2/0x170 [ 3658.890906][ T10] inet6_addr_add+0x12f/0xa40 [ 3658.890906][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3658.890906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3658.890906][ T10] netlink_rcv_skb+0x130/0x360 [ 3658.890906][ T10] netlink_unicast+0x449/0x710 [ 3658.890906][ T10] netlink_sendmsg+0x723/0xbe0 [ 3658.890906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3658.890906][ T10] ___sys_sendmsg+0xee/0x170 [ 3658.890906][ T10] __sys_sendmsg+0xcd/0x170 [ 3658.890906][ T10] do_syscall_64+0xc6/0x1e0 [ 3658.890906][ T10] [ 3658.892877][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3658.892877][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3658.892877][ T10] ipv6_find_idev+0x102/0x170 [ 3658.892877][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3658.892877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3658.892877][ T10] netlink_rcv_skb+0x130/0x360 [ 3658.892877][ T10] netlink_unicast+0x449/0x710 [ 3658.892877][ T10] netlink_sendmsg+0x723/0xbe0 [ 3658.892877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3658.892877][ T10] ___sys_sendmsg+0xee/0x170 [ 3658.892877][ T10] __sys_sendmsg+0xcd/0x170 [ 3658.892877][ T10] do_syscall_64+0xc6/0x1e0 [ 3658.892877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3658.892877][ T10] [ 3658.894429][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3658.894429][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3658.894429][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3658.894429][ T10] ipv6_find_idev+0x102/0x170 [ 3658.894429][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3658.894429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3658.894429][ T10] netlink_rcv_skb+0x130/0x360 [ 3658.894429][ T10] netlink_unicast+0x449/0x710 [ 3658.894429][ T10] netlink_sendmsg+0x723/0xbe0 [ 3658.894429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3658.894429][ T10] ___sys_sendmsg+0xee/0x170 [ 3658.894429][ T10] __sys_sendmsg+0xcd/0x170 [ 3658.894429][ T10] do_syscall_64+0xc6/0x1e0 [ 3658.894429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3658.894429][ T10] [ 3658.896101][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3658.896346][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3658.896346][ T10] netdev_get_by_index+0x5e/0x80 [ 3658.896346][ T10] fib6_nh_init+0x3d8/0x1580 [ 3658.896346][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3658.896346][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3658.896346][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3658.896346][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3658.896346][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3658.896346][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3658.896346][ T10] addrconf_dad_begin+0x310/0x670 [ 3658.896346][ T10] addrconf_dad_work+0x10b/0xab0 [ 3658.896346][ T10] process_one_work+0x84d/0x18a0 [ 3658.896346][ T10] worker_thread+0x587/0xd30 [ 3658.896346][ T10] kthread+0x28a/0x350 [ 3658.896346][ T10] ret_from_fork+0x31/0x70 [ 3658.896346][ T10] ret_from_fork_asm+0x1a/0x30 [ 3658.896346][ T10] [ 3658.960611][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3658.960611][ T10] netdev_get_by_index+0x5e/0x80 [ 3658.960611][ T10] fib6_nh_init+0x3d8/0x1580 [ 3658.960611][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3658.960611][ T10] ip6_route_add+0x1c/0x140 [ 3658.960611][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3658.960611][ T10] inet6_addr_add+0x4f8/0xa40 [ 3658.960611][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3658.960611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3658.960611][ T10] netlink_rcv_skb+0x130/0x360 [ 3658.960611][ T10] netlink_unicast+0x449/0x710 [ 3658.960611][ T10] netlink_sendmsg+0x723/0xbe0 [ 3658.960611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3658.960611][ T10] ___sys_sendmsg+0xee/0x170 [ 3658.960611][ T10] __sys_sendmsg+0xcd/0x170 [ 3658.960611][ T10] do_syscall_64+0xc6/0x1e0 [ 3658.960611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3658.960611][ T10] [ 3658.964082][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3658.964082][ T10] netdev_get_by_index+0x5e/0x80 [ 3658.964082][ T10] fib6_nh_init+0x3d8/0x1580 [ 3658.964082][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3658.964082][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3658.964082][ T10] ipv6_add_addr+0x411/0x2000 [ 3658.964082][ T10] inet6_addr_add+0x30e/0xa40 [ 3658.964082][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3658.964082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3658.964082][ T10] netlink_rcv_skb+0x130/0x360 [ 3658.964082][ T10] netlink_unicast+0x449/0x710 [ 3658.964082][ T10] netlink_sendmsg+0x723/0xbe0 [ 3658.964082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3658.964082][ T10] ___sys_sendmsg+0xee/0x170 [ 3658.964082][ T10] __sys_sendmsg+0xcd/0x170 [ 3658.964082][ T10] do_syscall_64+0xc6/0x1e0 [ 3658.964082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3658.964082][ T10] [ 3658.967581][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3658.967581][ T10] netdev_get_by_index+0x5e/0x80 [ 3658.967581][ T10] fib6_nh_init+0x3d8/0x1580 [ 3658.967581][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3658.967581][ T10] ip6_route_add+0x1c/0x140 [ 3658.967581][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3658.967581][ T10] addrconf_add_dev+0xe2/0x170 [ 3658.967581][ T10] inet6_addr_add+0x12f/0xa40 [ 3658.967581][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3658.967581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3658.967581][ T10] netlink_rcv_skb+0x130/0x360 [ 3658.967581][ T10] netlink_unicast+0x449/0x710 [ 3658.967581][ T10] netlink_sendmsg+0x723/0xbe0 [ 3658.967581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3658.967581][ T10] ___sys_sendmsg+0xee/0x170 [ 3658.967581][ T10] __sys_sendmsg+0xcd/0x170 [ 3658.967581][ T10] do_syscall_64+0xc6/0x1e0 [ 3658.967581][ T10] [ 3658.970816][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3658.970816][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3658.970816][ T10] ipv6_find_idev+0x102/0x170 [ 3658.970816][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3658.970816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3658.970816][ T10] netlink_rcv_skb+0x130/0x360 [ 3658.970816][ T10] netlink_unicast+0x449/0x710 [ 3658.970816][ T10] netlink_sendmsg+0x723/0xbe0 [ 3658.970816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3658.970816][ T10] ___sys_sendmsg+0xee/0x170 [ 3658.970816][ T10] __sys_sendmsg+0xcd/0x170 [ 3658.970816][ T10] do_syscall_64+0xc6/0x1e0 [ 3658.970816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3658.970816][ T10] [ 3658.973514][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3658.973514][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3658.973514][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3658.973514][ T10] ipv6_find_idev+0x102/0x170 [ 3658.973514][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3658.973514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3658.973514][ T10] netlink_rcv_skb+0x130/0x360 [ 3658.973514][ T10] netlink_unicast+0x449/0x710 [ 3658.973514][ T10] netlink_sendmsg+0x723/0xbe0 [ 3658.973514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3658.973514][ T10] ___sys_sendmsg+0xee/0x170 [ 3658.973514][ T10] __sys_sendmsg+0xcd/0x170 [ 3658.973514][ T10] do_syscall_64+0xc6/0x1e0 [ 3658.973514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3658.973514][ T10] [ 3658.976491][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3658.976878][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3658.976878][ T10] netdev_get_by_index+0x5e/0x80 [ 3658.976878][ T10] fib6_nh_init+0x3d8/0x1580 [ 3658.976878][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3658.976878][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3658.976878][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3658.976878][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3658.976878][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3658.976878][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3658.976878][ T10] addrconf_dad_begin+0x310/0x670 [ 3658.976878][ T10] addrconf_dad_work+0x10b/0xab0 [ 3658.976878][ T10] process_one_work+0x84d/0x18a0 [ 3658.976878][ T10] worker_thread+0x587/0xd30 [ 3658.976878][ T10] kthread+0x28a/0x350 [ 3658.976878][ T10] ret_from_fork+0x31/0x70 [ 3658.976878][ T10] ret_from_fork_asm+0x1a/0x30 [ 3658.976878][ T10] [ 3658.980382][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3658.980382][ T10] netdev_get_by_index+0x5e/0x80 [ 3658.980382][ T10] fib6_nh_init+0x3d8/0x1580 [ 3658.980382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3658.980382][ T10] ip6_route_add+0x1c/0x140 [ 3658.980382][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3658.980382][ T10] inet6_addr_add+0x4f8/0xa40 [ 3658.980382][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3658.980382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3658.980382][ T10] netlink_rcv_skb+0x130/0x360 [ 3658.980382][ T10] netlink_unicast+0x449/0x710 [ 3658.980382][ T10] netlink_sendmsg+0x723/0xbe0 [ 3658.980382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3658.980382][ T10] ___sys_sendmsg+0xee/0x170 [ 3658.980382][ T10] __sys_sendmsg+0xcd/0x170 [ 3658.980382][ T10] do_syscall_64+0xc6/0x1e0 [ 3658.980382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3658.980382][ T10] [ 3658.983944][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3658.983944][ T10] netdev_get_by_index+0x5e/0x80 [ 3658.983944][ T10] fib6_nh_init+0x3d8/0x1580 [ 3658.983944][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3658.983944][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3658.983944][ T10] ipv6_add_addr+0x411/0x2000 [ 3658.983944][ T10] inet6_addr_add+0x30e/0xa40 [ 3658.983944][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3658.983944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3658.983944][ T10] netlink_rcv_skb+0x130/0x360 [ 3658.983944][ T10] netlink_unicast+0x449/0x710 [ 3658.983944][ T10] netlink_sendmsg+0x723/0xbe0 [ 3658.983944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3658.983944][ T10] ___sys_sendmsg+0xee/0x170 [ 3658.983944][ T10] __sys_sendmsg+0xcd/0x170 [ 3658.983944][ T10] do_syscall_64+0xc6/0x1e0 [ 3658.983944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3658.983944][ T10] [ 3658.987428][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3658.987428][ T10] netdev_get_by_index+0x5e/0x80 [ 3658.987428][ T10] fib6_nh_init+0x3d8/0x1580 [ 3658.987428][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3658.987428][ T10] ip6_route_add+0x1c/0x140 [ 3658.987428][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3658.987428][ T10] addrconf_add_dev+0xe2/0x170 [ 3658.987428][ T10] inet6_addr_add+0x12f/0xa40 [ 3658.987428][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3658.987428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3658.987428][ T10] netlink_rcv_skb+0x130/0x360 [ 3658.987428][ T10] netlink_unicast+0x449/0x710 [ 3658.987428][ T10] netlink_sendmsg+0x723/0xbe0 [ 3658.987428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3658.987428][ T10] ___sys_sendmsg+0xee/0x170 [ 3658.987428][ T10] __sys_sendmsg+0xcd/0x170 [ 3658.987428][ T10] do_syscall_64+0xc6/0x1e0 [ 3658.987428][ T10] [ 3658.990944][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3658.990944][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3658.990944][ T10] ipv6_find_idev+0x102/0x170 [ 3658.990944][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3658.990944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3658.990944][ T10] netlink_rcv_skb+0x130/0x360 [ 3658.990944][ T10] netlink_unicast+0x449/0x710 [ 3658.990944][ T10] netlink_sendmsg+0x723/0xbe0 [ 3658.990944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3658.990944][ T10] ___sys_sendmsg+0xee/0x170 [ 3658.990944][ T10] __sys_sendmsg+0xcd/0x170 [ 3658.990944][ T10] do_syscall_64+0xc6/0x1e0 [ 3658.990944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3658.990944][ T10] [ 3658.993634][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3658.993634][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3658.993634][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3658.993634][ T10] ipv6_find_idev+0x102/0x170 [ 3658.993634][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3658.993634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3658.993634][ T10] netlink_rcv_skb+0x130/0x360 [ 3658.993634][ T10] netlink_unicast+0x449/0x710 [ 3658.993634][ T10] netlink_sendmsg+0x723/0xbe0 [ 3658.993634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3658.993634][ T10] ___sys_sendmsg+0xee/0x170 [ 3658.993634][ T10] __sys_sendmsg+0xcd/0x170 [ 3658.993634][ T10] do_syscall_64+0xc6/0x1e0 [ 3658.993634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3658.993634][ T10] [ 3667.721090][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3667.721506][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3667.721506][ T1167] dst_init+0x84/0x4a0 [ 3667.721506][ T1167] dst_alloc+0x97/0x150 [ 3667.721506][ T1167] ip6_dst_alloc+0x23/0x90 [ 3667.721506][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3667.721506][ T1167] ip6_pol_route+0x56f/0x840 [ 3667.721506][ T1167] fib6_rule_lookup+0x334/0x630 [ 3667.721506][ T1167] ip6_route_output_flags+0x259/0x480 [ 3667.721506][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3667.721506][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3667.721506][ T1167] netlink_rcv_skb+0x130/0x360 [ 3667.721506][ T1167] netlink_unicast+0x449/0x710 [ 3667.721506][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3667.721506][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3667.721506][ T1167] ___sys_sendmsg+0xee/0x170 [ 3667.721506][ T1167] __sys_sendmsg+0xcd/0x170 [ 3667.721506][ T1167] do_syscall_64+0xc6/0x1e0 [ 3667.721506][ T1167] [ 3667.723729][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3667.723729][ T1167] netdev_get_by_index+0x5e/0x80 [ 3667.723729][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3667.723729][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3667.723729][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3667.723729][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3667.723729][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3667.723729][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3667.723729][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3667.723729][ T1167] addrconf_dad_begin+0x310/0x670 [ 3667.723729][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3667.723729][ T1167] process_one_work+0x84d/0x18a0 [ 3667.723729][ T1167] worker_thread+0x587/0xd30 [ 3667.723729][ T1167] kthread+0x28a/0x350 [ 3667.723729][ T1167] ret_from_fork+0x31/0x70 [ 3667.723729][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3667.723729][ T1167] [ 3667.725926][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3667.725926][ T1167] netdev_get_by_index+0x5e/0x80 [ 3667.725926][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3667.725926][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3667.725926][ T1167] ip6_route_add+0x1c/0x140 [ 3667.725926][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3667.725926][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3667.725926][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3667.725926][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3667.725926][ T1167] netlink_rcv_skb+0x130/0x360 [ 3667.725926][ T1167] netlink_unicast+0x449/0x710 [ 3667.725926][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3667.725926][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3667.725926][ T1167] ___sys_sendmsg+0xee/0x170 [ 3667.725926][ T1167] __sys_sendmsg+0xcd/0x170 [ 3667.725926][ T1167] do_syscall_64+0xc6/0x1e0 [ 3667.725926][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3667.725926][ T1167] [ 3667.728190][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3667.728190][ T1167] netdev_get_by_index+0x5e/0x80 [ 3667.728190][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3667.728190][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3667.728190][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3667.728190][ T1167] ipv6_add_addr+0x411/0x2000 [ 3667.728190][ T1167] inet6_addr_add+0x30e/0xa40 [ 3667.728190][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3667.728190][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3667.728190][ T1167] netlink_rcv_skb+0x130/0x360 [ 3667.728190][ T1167] netlink_unicast+0x449/0x710 [ 3667.728190][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3667.728190][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3667.728190][ T1167] ___sys_sendmsg+0xee/0x170 [ 3667.728190][ T1167] __sys_sendmsg+0xcd/0x170 [ 3667.728190][ T1167] do_syscall_64+0xc6/0x1e0 [ 3667.728190][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3667.728190][ T1167] [ 3667.730440][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3667.730440][ T1167] netdev_get_by_index+0x5e/0x80 [ 3667.730440][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3667.730440][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3667.730440][ T1167] ip6_route_add+0x1c/0x140 [ 3667.730440][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3667.730440][ T1167] addrconf_add_dev+0xe2/0x170 [ 3667.730440][ T1167] inet6_addr_add+0x12f/0xa40 [ 3667.730440][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3667.730440][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3667.730440][ T1167] netlink_rcv_skb+0x130/0x360 [ 3667.730440][ T1167] netlink_unicast+0x449/0x710 [ 3667.730440][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3667.730440][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3667.730440][ T1167] ___sys_sendmsg+0xee/0x170 [ 3667.730440][ T1167] __sys_sendmsg+0xcd/0x170 [ 3667.730440][ T1167] do_syscall_64+0xc6/0x1e0 [ 3667.730440][ T1167] [ 3667.732671][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3667.732671][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3667.732671][ T1167] ipv6_find_idev+0x102/0x170 [ 3667.732671][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3667.732671][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3667.732671][ T1167] netlink_rcv_skb+0x130/0x360 [ 3667.732671][ T1167] netlink_unicast+0x449/0x710 [ 3667.732671][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3667.732671][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3667.732671][ T1167] ___sys_sendmsg+0xee/0x170 [ 3667.732671][ T1167] __sys_sendmsg+0xcd/0x170 [ 3667.732671][ T1167] do_syscall_64+0xc6/0x1e0 [ 3667.732671][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3667.732671][ T1167] [ 3667.734408][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3667.734408][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3667.734408][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3667.734408][ T1167] ipv6_find_idev+0x102/0x170 [ 3667.734408][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3667.734408][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3667.734408][ T1167] netlink_rcv_skb+0x130/0x360 [ 3667.734408][ T1167] netlink_unicast+0x449/0x710 [ 3667.734408][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3667.734408][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3667.734408][ T1167] ___sys_sendmsg+0xee/0x170 [ 3667.734408][ T1167] __sys_sendmsg+0xcd/0x170 [ 3667.734408][ T1167] do_syscall_64+0xc6/0x1e0 [ 3667.734408][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3667.734408][ T1167] [ 3669.001056][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3669.001421][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3669.001421][ T10] netdev_get_by_index+0x5e/0x80 [ 3669.001421][ T10] fib6_nh_init+0x3d8/0x1580 [ 3669.001421][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3669.001421][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3669.001421][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3669.001421][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3669.001421][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3669.001421][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3669.001421][ T10] addrconf_dad_begin+0x310/0x670 [ 3669.001421][ T10] addrconf_dad_work+0x10b/0xab0 [ 3669.001421][ T10] process_one_work+0x84d/0x18a0 [ 3669.001421][ T10] worker_thread+0x587/0xd30 [ 3669.001421][ T10] kthread+0x28a/0x350 [ 3669.001421][ T10] ret_from_fork+0x31/0x70 [ 3669.001421][ T10] ret_from_fork_asm+0x1a/0x30 [ 3669.001421][ T10] [ 3669.003417][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3669.003417][ T10] netdev_get_by_index+0x5e/0x80 [ 3669.003417][ T10] fib6_nh_init+0x3d8/0x1580 [ 3669.003417][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3669.003417][ T10] ip6_route_add+0x1c/0x140 [ 3669.003417][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3669.003417][ T10] inet6_addr_add+0x4f8/0xa40 [ 3669.003417][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3669.003417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.003417][ T10] netlink_rcv_skb+0x130/0x360 [ 3669.003417][ T10] netlink_unicast+0x449/0x710 [ 3669.003417][ T10] netlink_sendmsg+0x723/0xbe0 [ 3669.003417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3669.003417][ T10] ___sys_sendmsg+0xee/0x170 [ 3669.003417][ T10] __sys_sendmsg+0xcd/0x170 [ 3669.003417][ T10] do_syscall_64+0xc6/0x1e0 [ 3669.003417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3669.003417][ T10] [ 3669.005478][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3669.005478][ T10] netdev_get_by_index+0x5e/0x80 [ 3669.005478][ T10] fib6_nh_init+0x3d8/0x1580 [ 3669.005478][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3669.005478][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3669.005478][ T10] ipv6_add_addr+0x411/0x2000 [ 3669.005478][ T10] inet6_addr_add+0x30e/0xa40 [ 3669.005478][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3669.005478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.005478][ T10] netlink_rcv_skb+0x130/0x360 [ 3669.005478][ T10] netlink_unicast+0x449/0x710 [ 3669.005478][ T10] netlink_sendmsg+0x723/0xbe0 [ 3669.005478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3669.005478][ T10] ___sys_sendmsg+0xee/0x170 [ 3669.005478][ T10] __sys_sendmsg+0xcd/0x170 [ 3669.005478][ T10] do_syscall_64+0xc6/0x1e0 [ 3669.005478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3669.005478][ T10] [ 3669.007545][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3669.007545][ T10] netdev_get_by_index+0x5e/0x80 [ 3669.007545][ T10] fib6_nh_init+0x3d8/0x1580 [ 3669.007545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3669.007545][ T10] ip6_route_add+0x1c/0x140 [ 3669.007545][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3669.007545][ T10] addrconf_add_dev+0xe2/0x170 [ 3669.007545][ T10] inet6_addr_add+0x12f/0xa40 [ 3669.007545][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3669.007545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.007545][ T10] netlink_rcv_skb+0x130/0x360 [ 3669.007545][ T10] netlink_unicast+0x449/0x710 [ 3669.007545][ T10] netlink_sendmsg+0x723/0xbe0 [ 3669.007545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3669.007545][ T10] ___sys_sendmsg+0xee/0x170 [ 3669.007545][ T10] __sys_sendmsg+0xcd/0x170 [ 3669.007545][ T10] do_syscall_64+0xc6/0x1e0 [ 3669.007545][ T10] [ 3669.009638][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3669.009638][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3669.009638][ T10] ipv6_find_idev+0x102/0x170 [ 3669.009638][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3669.009638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.009638][ T10] netlink_rcv_skb+0x130/0x360 [ 3669.009638][ T10] netlink_unicast+0x449/0x710 [ 3669.009638][ T10] netlink_sendmsg+0x723/0xbe0 [ 3669.009638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3669.009638][ T10] ___sys_sendmsg+0xee/0x170 [ 3669.009638][ T10] __sys_sendmsg+0xcd/0x170 [ 3669.009638][ T10] do_syscall_64+0xc6/0x1e0 [ 3669.009638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3669.009638][ T10] [ 3669.011329][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3669.011329][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3669.011329][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3669.011329][ T10] ipv6_find_idev+0x102/0x170 [ 3669.011329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3669.011329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.011329][ T10] netlink_rcv_skb+0x130/0x360 [ 3669.011329][ T10] netlink_unicast+0x449/0x710 [ 3669.011329][ T10] netlink_sendmsg+0x723/0xbe0 [ 3669.011329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3669.011329][ T10] ___sys_sendmsg+0xee/0x170 [ 3669.011329][ T10] __sys_sendmsg+0xcd/0x170 [ 3669.011329][ T10] do_syscall_64+0xc6/0x1e0 [ 3669.011329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3669.011329][ T10] [ 3669.013165][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3669.013451][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3669.013451][ T10] netdev_get_by_index+0x5e/0x80 [ 3669.013451][ T10] fib6_nh_init+0x3d8/0x1580 [ 3669.013451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3669.013451][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3669.013451][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3669.013451][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3669.013451][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3669.013451][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3669.013451][ T10] addrconf_dad_begin+0x310/0x670 [ 3669.013451][ T10] addrconf_dad_work+0x10b/0xab0 [ 3669.013451][ T10] process_one_work+0x84d/0x18a0 [ 3669.013451][ T10] worker_thread+0x587/0xd30 [ 3669.013451][ T10] kthread+0x28a/0x350 [ 3669.013451][ T10] ret_from_fork+0x31/0x70 [ 3669.013451][ T10] ret_from_fork_asm+0x1a/0x30 [ 3669.013451][ T10] [ 3669.015516][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3669.015516][ T10] netdev_get_by_index+0x5e/0x80 [ 3669.015516][ T10] fib6_nh_init+0x3d8/0x1580 [ 3669.015516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3669.015516][ T10] ip6_route_add+0x1c/0x140 [ 3669.015516][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3669.015516][ T10] inet6_addr_add+0x4f8/0xa40 [ 3669.015516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3669.015516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.015516][ T10] netlink_rcv_skb+0x130/0x360 [ 3669.015516][ T10] netlink_unicast+0x449/0x710 [ 3669.015516][ T10] netlink_sendmsg+0x723/0xbe0 [ 3669.015516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3669.015516][ T10] ___sys_sendmsg+0xee/0x170 [ 3669.015516][ T10] __sys_sendmsg+0xcd/0x170 [ 3669.015516][ T10] do_syscall_64+0xc6/0x1e0 [ 3669.015516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3669.015516][ T10] [ 3669.017659][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3669.017659][ T10] netdev_get_by_index+0x5e/0x80 [ 3669.017659][ T10] fib6_nh_init+0x3d8/0x1580 [ 3669.017659][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3669.017659][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3669.017659][ T10] ipv6_add_addr+0x411/0x2000 [ 3669.017659][ T10] inet6_addr_add+0x30e/0xa40 [ 3669.017659][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3669.017659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.017659][ T10] netlink_rcv_skb+0x130/0x360 [ 3669.017659][ T10] netlink_unicast+0x449/0x710 [ 3669.017659][ T10] netlink_sendmsg+0x723/0xbe0 [ 3669.017659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3669.017659][ T10] ___sys_sendmsg+0xee/0x170 [ 3669.017659][ T10] __sys_sendmsg+0xcd/0x170 [ 3669.017659][ T10] do_syscall_64+0xc6/0x1e0 [ 3669.017659][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3669.017659][ T10] [ 3669.019714][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3669.019714][ T10] netdev_get_by_index+0x5e/0x80 [ 3669.019714][ T10] fib6_nh_init+0x3d8/0x1580 [ 3669.019714][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3669.019714][ T10] ip6_route_add+0x1c/0x140 [ 3669.019714][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3669.019714][ T10] addrconf_add_dev+0xe2/0x170 [ 3669.019714][ T10] inet6_addr_add+0x12f/0xa40 [ 3669.019714][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3669.019714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.019714][ T10] netlink_rcv_skb+0x130/0x360 [ 3669.019714][ T10] netlink_unicast+0x449/0x710 [ 3669.019714][ T10] netlink_sendmsg+0x723/0xbe0 [ 3669.019714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3669.019714][ T10] ___sys_sendmsg+0xee/0x170 [ 3669.019714][ T10] __sys_sendmsg+0xcd/0x170 [ 3669.019714][ T10] do_syscall_64+0xc6/0x1e0 [ 3669.019714][ T10] [ 3669.021819][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3669.021819][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3669.021819][ T10] ipv6_find_idev+0x102/0x170 [ 3669.021819][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3669.021819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.021819][ T10] netlink_rcv_skb+0x130/0x360 [ 3669.021819][ T10] netlink_unicast+0x449/0x710 [ 3669.021819][ T10] netlink_sendmsg+0x723/0xbe0 [ 3669.021819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3669.021819][ T10] ___sys_sendmsg+0xee/0x170 [ 3669.021819][ T10] __sys_sendmsg+0xcd/0x170 [ 3669.021819][ T10] do_syscall_64+0xc6/0x1e0 [ 3669.021819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3669.021819][ T10] [ 3669.023398][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3669.023398][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3669.023398][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3669.023398][ T10] ipv6_find_idev+0x102/0x170 [ 3669.023398][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3669.023398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.023398][ T10] netlink_rcv_skb+0x130/0x360 [ 3669.023398][ T10] netlink_unicast+0x449/0x710 [ 3669.023398][ T10] netlink_sendmsg+0x723/0xbe0 [ 3669.023398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3669.023398][ T10] ___sys_sendmsg+0xee/0x170 [ 3669.023398][ T10] __sys_sendmsg+0xcd/0x170 [ 3669.023398][ T10] do_syscall_64+0xc6/0x1e0 [ 3669.023398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3669.023398][ T10] [ 3669.025098][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3669.025352][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3669.025352][ T10] netdev_get_by_index+0x5e/0x80 [ 3669.025352][ T10] fib6_nh_init+0x3d8/0x1580 [ 3669.025352][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3669.025352][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3669.025352][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3669.025352][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3669.025352][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3669.025352][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3669.025352][ T10] addrconf_dad_begin+0x310/0x670 [ 3669.025352][ T10] addrconf_dad_work+0x10b/0xab0 [ 3669.025352][ T10] process_one_work+0x84d/0x18a0 [ 3669.025352][ T10] worker_thread+0x587/0xd30 [ 3669.025352][ T10] kthread+0x28a/0x350 [ 3669.025352][ T10] ret_from_fork+0x31/0x70 [ 3669.025352][ T10] ret_from_fork_asm+0x1a/0x30 [ 3669.025352][ T10] [ 3669.027271][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3669.027271][ T10] netdev_get_by_index+0x5e/0x80 [ 3669.027271][ T10] fib6_nh_init+0x3d8/0x1580 [ 3669.027271][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3669.027271][ T10] ip6_route_add+0x1c/0x140 [ 3669.027271][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3669.027271][ T10] inet6_addr_add+0x4f8/0xa40 [ 3669.027271][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3669.027271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.027271][ T10] netlink_rcv_skb+0x130/0x360 [ 3669.027271][ T10] netlink_unicast+0x449/0x710 [ 3669.027271][ T10] netlink_sendmsg+0x723/0xbe0 [ 3669.027271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3669.027271][ T10] ___sys_sendmsg+0xee/0x170 [ 3669.027271][ T10] __sys_sendmsg+0xcd/0x170 [ 3669.027271][ T10] do_syscall_64+0xc6/0x1e0 [ 3669.027271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3669.027271][ T10] [ 3669.029479][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3669.029479][ T10] netdev_get_by_index+0x5e/0x80 [ 3669.029479][ T10] fib6_nh_init+0x3d8/0x1580 [ 3669.029479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3669.029479][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3669.029479][ T10] ipv6_add_addr+0x411/0x2000 [ 3669.029479][ T10] inet6_addr_add+0x30e/0xa40 [ 3669.029479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3669.029479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.029479][ T10] netlink_rcv_skb+0x130/0x360 [ 3669.029479][ T10] netlink_unicast+0x449/0x710 [ 3669.029479][ T10] netlink_sendmsg+0x723/0xbe0 [ 3669.029479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3669.029479][ T10] ___sys_sendmsg+0xee/0x170 [ 3669.029479][ T10] __sys_sendmsg+0xcd/0x170 [ 3669.029479][ T10] do_syscall_64+0xc6/0x1e0 [ 3669.029479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3669.029479][ T10] [ 3669.031900][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3669.031900][ T10] netdev_get_by_index+0x5e/0x80 [ 3669.031900][ T10] fib6_nh_init+0x3d8/0x1580 [ 3669.031900][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3669.031900][ T10] ip6_route_add+0x1c/0x140 [ 3669.031900][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3669.031900][ T10] addrconf_add_dev+0xe2/0x170 [ 3669.031900][ T10] inet6_addr_add+0x12f/0xa40 [ 3669.031900][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3669.031900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.031900][ T10] netlink_rcv_skb+0x130/0x360 [ 3669.031900][ T10] netlink_unicast+0x449/0x710 [ 3669.031900][ T10] netlink_sendmsg+0x723/0xbe0 [ 3669.031900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3669.031900][ T10] ___sys_sendmsg+0xee/0x170 [ 3669.031900][ T10] __sys_sendmsg+0xcd/0x170 [ 3669.031900][ T10] do_syscall_64+0xc6/0x1e0 [ 3669.031900][ T10] [ 3669.034286][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3669.034286][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3669.034286][ T10] ipv6_find_idev+0x102/0x170 [ 3669.034286][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3669.034286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.034286][ T10] netlink_rcv_skb+0x130/0x360 [ 3669.034286][ T10] netlink_unicast+0x449/0x710 [ 3669.034286][ T10] netlink_sendmsg+0x723/0xbe0 [ 3669.034286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3669.034286][ T10] ___sys_sendmsg+0xee/0x170 [ 3669.034286][ T10] __sys_sendmsg+0xcd/0x170 [ 3669.034286][ T10] do_syscall_64+0xc6/0x1e0 [ 3669.034286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3669.034286][ T10] [ 3669.036092][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3669.036092][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3669.036092][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3669.036092][ T10] ipv6_find_idev+0x102/0x170 [ 3669.036092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3669.036092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.036092][ T10] netlink_rcv_skb+0x130/0x360 [ 3669.036092][ T10] netlink_unicast+0x449/0x710 [ 3669.036092][ T10] netlink_sendmsg+0x723/0xbe0 [ 3669.036092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3669.036092][ T10] ___sys_sendmsg+0xee/0x170 [ 3669.036092][ T10] __sys_sendmsg+0xcd/0x170 [ 3669.036092][ T10] do_syscall_64+0xc6/0x1e0 [ 3669.036092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3669.036092][ T10] [ 3669.038100][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3669.038342][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3669.038342][ T10] netdev_get_by_index+0x5e/0x80 [ 3669.038342][ T10] fib6_nh_init+0x3d8/0x1580 [ 3669.038342][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3669.038342][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3669.038342][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3669.038342][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3669.038342][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3669.038342][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3669.038342][ T10] addrconf_dad_begin+0x310/0x670 [ 3669.038342][ T10] addrconf_dad_work+0x10b/0xab0 [ 3669.038342][ T10] process_one_work+0x84d/0x18a0 [ 3669.038342][ T10] worker_thread+0x587/0xd30 [ 3669.038342][ T10] kthread+0x28a/0x350 [ 3669.038342][ T10] ret_from_fork+0x31/0x70 [ 3669.038342][ T10] ret_from_fork_asm+0x1a/0x30 [ 3669.038342][ T10] [ 3669.040735][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3669.040735][ T10] netdev_get_by_index+0x5e/0x80 [ 3669.040735][ T10] fib6_nh_init+0x3d8/0x1580 [ 3669.040735][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3669.040735][ T10] ip6_route_add+0x1c/0x140 [ 3669.040735][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3669.040735][ T10] inet6_addr_add+0x4f8/0xa40 [ 3669.040735][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3669.040735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.040735][ T10] netlink_rcv_skb+0x130/0x360 [ 3669.040735][ T10] netlink_unicast+0x449/0x710 [ 3669.040735][ T10] netlink_sendmsg+0x723/0xbe0 [ 3669.040735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3669.040735][ T10] ___sys_sendmsg+0xee/0x170 [ 3669.040735][ T10] __sys_sendmsg+0xcd/0x170 [ 3669.040735][ T10] do_syscall_64+0xc6/0x1e0 [ 3669.040735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3669.040735][ T10] [ 3669.043081][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3669.043081][ T10] netdev_get_by_index+0x5e/0x80 [ 3669.043081][ T10] fib6_nh_init+0x3d8/0x1580 [ 3669.043081][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3669.043081][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3669.043081][ T10] ipv6_add_addr+0x411/0x2000 [ 3669.043081][ T10] inet6_addr_add+0x30e/0xa40 [ 3669.043081][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3669.043081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.043081][ T10] netlink_rcv_skb+0x130/0x360 [ 3669.043081][ T10] netlink_unicast+0x449/0x710 [ 3669.043081][ T10] netlink_sendmsg+0x723/0xbe0 [ 3669.043081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3669.043081][ T10] ___sys_sendmsg+0xee/0x170 [ 3669.043081][ T10] __sys_sendmsg+0xcd/0x170 [ 3669.043081][ T10] do_syscall_64+0xc6/0x1e0 [ 3669.043081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3669.043081][ T10] [ 3669.045386][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3669.045386][ T10] netdev_get_by_index+0x5e/0x80 [ 3669.045386][ T10] fib6_nh_init+0x3d8/0x1580 [ 3669.045386][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3669.045386][ T10] ip6_route_add+0x1c/0x140 [ 3669.045386][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3669.045386][ T10] addrconf_add_dev+0xe2/0x170 [ 3669.045386][ T10] inet6_addr_add+0x12f/0xa40 [ 3669.045386][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3669.045386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.045386][ T10] netlink_rcv_skb+0x130/0x360 [ 3669.045386][ T10] netlink_unicast+0x449/0x710 [ 3669.045386][ T10] netlink_sendmsg+0x723/0xbe0 [ 3669.045386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3669.045386][ T10] ___sys_sendmsg+0xee/0x170 [ 3669.045386][ T10] __sys_sendmsg+0xcd/0x170 [ 3669.045386][ T10] do_syscall_64+0xc6/0x1e0 [ 3669.045386][ T10] [ 3669.047610][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3669.047610][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3669.047610][ T10] ipv6_find_idev+0x102/0x170 [ 3669.047610][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3669.047610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.047610][ T10] netlink_rcv_skb+0x130/0x360 [ 3669.047610][ T10] netlink_unicast+0x449/0x710 [ 3669.047610][ T10] netlink_sendmsg+0x723/0xbe0 [ 3669.047610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3669.047610][ T10] ___sys_sendmsg+0xee/0x170 [ 3669.047610][ T10] __sys_sendmsg+0xcd/0x170 [ 3669.047610][ T10] do_syscall_64+0xc6/0x1e0 [ 3669.047610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3669.047610][ T10] [ 3669.049342][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3669.049342][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3669.049342][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3669.049342][ T10] ipv6_find_idev+0x102/0x170 [ 3669.049342][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3669.049342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.049342][ T10] netlink_rcv_skb+0x130/0x360 [ 3669.049342][ T10] netlink_unicast+0x449/0x710 [ 3669.049342][ T10] netlink_sendmsg+0x723/0xbe0 [ 3669.049342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3669.049342][ T10] ___sys_sendmsg+0xee/0x170 [ 3669.049342][ T10] __sys_sendmsg+0xcd/0x170 [ 3669.049342][ T10] do_syscall_64+0xc6/0x1e0 [ 3669.049342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3669.049342][ T10] [ 3677.977118][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3677.977535][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3677.977535][ T1167] dst_init+0x84/0x4a0 [ 3677.977535][ T1167] dst_alloc+0x97/0x150 [ 3677.977535][ T1167] ip6_dst_alloc+0x23/0x90 [ 3677.977535][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3677.977535][ T1167] ip6_pol_route+0x56f/0x840 [ 3677.977535][ T1167] fib6_rule_lookup+0x334/0x630 [ 3677.977535][ T1167] ip6_route_output_flags+0x259/0x480 [ 3677.977535][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3677.977535][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3677.977535][ T1167] netlink_rcv_skb+0x130/0x360 [ 3677.977535][ T1167] netlink_unicast+0x449/0x710 [ 3677.977535][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3677.977535][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3677.977535][ T1167] ___sys_sendmsg+0xee/0x170 [ 3677.977535][ T1167] __sys_sendmsg+0xcd/0x170 [ 3677.977535][ T1167] do_syscall_64+0xc6/0x1e0 [ 3677.977535][ T1167] [ 3677.979777][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3677.979777][ T1167] netdev_get_by_index+0x5e/0x80 [ 3677.979777][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3677.979777][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3677.979777][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3677.979777][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3677.979777][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3677.979777][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3677.979777][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3677.979777][ T1167] addrconf_dad_begin+0x310/0x670 [ 3677.979777][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3677.979777][ T1167] process_one_work+0x84d/0x18a0 [ 3677.979777][ T1167] worker_thread+0x587/0xd30 [ 3677.979777][ T1167] kthread+0x28a/0x350 [ 3677.979777][ T1167] ret_from_fork+0x31/0x70 [ 3677.979777][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3677.979777][ T1167] [ 3677.981963][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3677.981963][ T1167] netdev_get_by_index+0x5e/0x80 [ 3677.981963][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3677.981963][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3677.981963][ T1167] ip6_route_add+0x1c/0x140 [ 3677.981963][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3677.981963][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3677.981963][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3677.981963][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3677.981963][ T1167] netlink_rcv_skb+0x130/0x360 [ 3677.981963][ T1167] netlink_unicast+0x449/0x710 [ 3677.981963][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3677.981963][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3677.981963][ T1167] ___sys_sendmsg+0xee/0x170 [ 3677.981963][ T1167] __sys_sendmsg+0xcd/0x170 [ 3677.981963][ T1167] do_syscall_64+0xc6/0x1e0 [ 3677.981963][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3677.981963][ T1167] [ 3677.984218][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3677.984218][ T1167] netdev_get_by_index+0x5e/0x80 [ 3677.984218][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3677.984218][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3677.984218][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3677.984218][ T1167] ipv6_add_addr+0x411/0x2000 [ 3677.984218][ T1167] inet6_addr_add+0x30e/0xa40 [ 3677.984218][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3677.984218][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3677.984218][ T1167] netlink_rcv_skb+0x130/0x360 [ 3677.984218][ T1167] netlink_unicast+0x449/0x710 [ 3677.984218][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3677.984218][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3677.984218][ T1167] ___sys_sendmsg+0xee/0x170 [ 3677.984218][ T1167] __sys_sendmsg+0xcd/0x170 [ 3677.984218][ T1167] do_syscall_64+0xc6/0x1e0 [ 3677.984218][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3677.984218][ T1167] [ 3677.986466][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3677.986466][ T1167] netdev_get_by_index+0x5e/0x80 [ 3677.986466][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3677.986466][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3677.986466][ T1167] ip6_route_add+0x1c/0x140 [ 3677.986466][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3677.986466][ T1167] addrconf_add_dev+0xe2/0x170 [ 3677.986466][ T1167] inet6_addr_add+0x12f/0xa40 [ 3677.986466][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3677.986466][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3677.986466][ T1167] netlink_rcv_skb+0x130/0x360 [ 3677.986466][ T1167] netlink_unicast+0x449/0x710 [ 3677.986466][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3677.986466][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3677.986466][ T1167] ___sys_sendmsg+0xee/0x170 [ 3677.986466][ T1167] __sys_sendmsg+0xcd/0x170 [ 3677.986466][ T1167] do_syscall_64+0xc6/0x1e0 [ 3677.986466][ T1167] [ 3677.988688][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3677.988688][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3677.988688][ T1167] ipv6_find_idev+0x102/0x170 [ 3677.988688][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3677.988688][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3677.988688][ T1167] netlink_rcv_skb+0x130/0x360 [ 3677.988688][ T1167] netlink_unicast+0x449/0x710 [ 3677.988688][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3677.988688][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3677.988688][ T1167] ___sys_sendmsg+0xee/0x170 [ 3677.988688][ T1167] __sys_sendmsg+0xcd/0x170 [ 3677.988688][ T1167] do_syscall_64+0xc6/0x1e0 [ 3677.988688][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3677.988688][ T1167] [ 3677.990428][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3677.990428][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3677.990428][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3677.990428][ T1167] ipv6_find_idev+0x102/0x170 [ 3677.990428][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3677.990428][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3677.990428][ T1167] netlink_rcv_skb+0x130/0x360 [ 3677.990428][ T1167] netlink_unicast+0x449/0x710 [ 3677.990428][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3677.990428][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3677.990428][ T1167] ___sys_sendmsg+0xee/0x170 [ 3677.990428][ T1167] __sys_sendmsg+0xcd/0x170 [ 3677.990428][ T1167] do_syscall_64+0xc6/0x1e0 [ 3677.990428][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3677.990428][ T1167] [ 3679.297112][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3679.297516][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3679.297516][ T10] netdev_get_by_index+0x5e/0x80 [ 3679.297516][ T10] fib6_nh_init+0x3d8/0x1580 [ 3679.297516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3679.297516][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3679.297516][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3679.297516][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3679.297516][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3679.297516][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3679.297516][ T10] addrconf_dad_begin+0x310/0x670 [ 3679.297516][ T10] addrconf_dad_work+0x10b/0xab0 [ 3679.297516][ T10] process_one_work+0x84d/0x18a0 [ 3679.297516][ T10] worker_thread+0x587/0xd30 [ 3679.297516][ T10] kthread+0x28a/0x350 [ 3679.297516][ T10] ret_from_fork+0x31/0x70 [ 3679.297516][ T10] ret_from_fork_asm+0x1a/0x30 [ 3679.297516][ T10] [ 3679.299486][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3679.299486][ T10] netdev_get_by_index+0x5e/0x80 [ 3679.299486][ T10] fib6_nh_init+0x3d8/0x1580 [ 3679.299486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3679.299486][ T10] ip6_route_add+0x1c/0x140 [ 3679.299486][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3679.299486][ T10] inet6_addr_add+0x4f8/0xa40 [ 3679.299486][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3679.299486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.299486][ T10] netlink_rcv_skb+0x130/0x360 [ 3679.299486][ T10] netlink_unicast+0x449/0x710 [ 3679.299486][ T10] netlink_sendmsg+0x723/0xbe0 [ 3679.299486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3679.299486][ T10] ___sys_sendmsg+0xee/0x170 [ 3679.299486][ T10] __sys_sendmsg+0xcd/0x170 [ 3679.299486][ T10] do_syscall_64+0xc6/0x1e0 [ 3679.299486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3679.299486][ T10] [ 3679.301493][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3679.301493][ T10] netdev_get_by_index+0x5e/0x80 [ 3679.301493][ T10] fib6_nh_init+0x3d8/0x1580 [ 3679.301493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3679.301493][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3679.301493][ T10] ipv6_add_addr+0x411/0x2000 [ 3679.301493][ T10] inet6_addr_add+0x30e/0xa40 [ 3679.301493][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3679.301493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.301493][ T10] netlink_rcv_skb+0x130/0x360 [ 3679.301493][ T10] netlink_unicast+0x449/0x710 [ 3679.301493][ T10] netlink_sendmsg+0x723/0xbe0 [ 3679.301493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3679.301493][ T10] ___sys_sendmsg+0xee/0x170 [ 3679.301493][ T10] __sys_sendmsg+0xcd/0x170 [ 3679.301493][ T10] do_syscall_64+0xc6/0x1e0 [ 3679.301493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3679.301493][ T10] [ 3679.303496][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3679.303496][ T10] netdev_get_by_index+0x5e/0x80 [ 3679.303496][ T10] fib6_nh_init+0x3d8/0x1580 [ 3679.303496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3679.303496][ T10] ip6_route_add+0x1c/0x140 [ 3679.303496][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3679.303496][ T10] addrconf_add_dev+0xe2/0x170 [ 3679.303496][ T10] inet6_addr_add+0x12f/0xa40 [ 3679.303496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3679.303496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.303496][ T10] netlink_rcv_skb+0x130/0x360 [ 3679.303496][ T10] netlink_unicast+0x449/0x710 [ 3679.303496][ T10] netlink_sendmsg+0x723/0xbe0 [ 3679.303496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3679.303496][ T10] ___sys_sendmsg+0xee/0x170 [ 3679.303496][ T10] __sys_sendmsg+0xcd/0x170 [ 3679.303496][ T10] do_syscall_64+0xc6/0x1e0 [ 3679.303496][ T10] [ 3679.305462][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3679.305462][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3679.305462][ T10] ipv6_find_idev+0x102/0x170 [ 3679.305462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3679.305462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.305462][ T10] netlink_rcv_skb+0x130/0x360 [ 3679.305462][ T10] netlink_unicast+0x449/0x710 [ 3679.305462][ T10] netlink_sendmsg+0x723/0xbe0 [ 3679.305462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3679.305462][ T10] ___sys_sendmsg+0xee/0x170 [ 3679.305462][ T10] __sys_sendmsg+0xcd/0x170 [ 3679.305462][ T10] do_syscall_64+0xc6/0x1e0 [ 3679.305462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3679.305462][ T10] [ 3679.306993][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3679.306993][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3679.306993][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3679.306993][ T10] ipv6_find_idev+0x102/0x170 [ 3679.306993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3679.306993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.306993][ T10] netlink_rcv_skb+0x130/0x360 [ 3679.306993][ T10] netlink_unicast+0x449/0x710 [ 3679.306993][ T10] netlink_sendmsg+0x723/0xbe0 [ 3679.306993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3679.306993][ T10] ___sys_sendmsg+0xee/0x170 [ 3679.306993][ T10] __sys_sendmsg+0xcd/0x170 [ 3679.306993][ T10] do_syscall_64+0xc6/0x1e0 [ 3679.306993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3679.306993][ T10] [ 3679.308672][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3679.308919][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3679.308919][ T10] netdev_get_by_index+0x5e/0x80 [ 3679.308919][ T10] fib6_nh_init+0x3d8/0x1580 [ 3679.308919][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3679.308919][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3679.308919][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3679.308919][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3679.308919][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3679.308919][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3679.308919][ T10] addrconf_dad_begin+0x310/0x670 [ 3679.308919][ T10] addrconf_dad_work+0x10b/0xab0 [ 3679.308919][ T10] process_one_work+0x84d/0x18a0 [ 3679.308919][ T10] worker_thread+0x587/0xd30 [ 3679.308919][ T10] kthread+0x28a/0x350 [ 3679.308919][ T10] ret_from_fork+0x31/0x70 [ 3679.308919][ T10] ret_from_fork_asm+0x1a/0x30 [ 3679.308919][ T10] [ 3679.310844][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3679.310844][ T10] netdev_get_by_index+0x5e/0x80 [ 3679.310844][ T10] fib6_nh_init+0x3d8/0x1580 [ 3679.310844][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3679.310844][ T10] ip6_route_add+0x1c/0x140 [ 3679.310844][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3679.310844][ T10] inet6_addr_add+0x4f8/0xa40 [ 3679.310844][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3679.310844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.310844][ T10] netlink_rcv_skb+0x130/0x360 [ 3679.310844][ T10] netlink_unicast+0x449/0x710 [ 3679.310844][ T10] netlink_sendmsg+0x723/0xbe0 [ 3679.310844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3679.310844][ T10] ___sys_sendmsg+0xee/0x170 [ 3679.310844][ T10] __sys_sendmsg+0xcd/0x170 [ 3679.310844][ T10] do_syscall_64+0xc6/0x1e0 [ 3679.310844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3679.310844][ T10] [ 3679.312833][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3679.312833][ T10] netdev_get_by_index+0x5e/0x80 [ 3679.312833][ T10] fib6_nh_init+0x3d8/0x1580 [ 3679.312833][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3679.312833][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3679.312833][ T10] ipv6_add_addr+0x411/0x2000 [ 3679.312833][ T10] inet6_addr_add+0x30e/0xa40 [ 3679.312833][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3679.312833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.312833][ T10] netlink_rcv_skb+0x130/0x360 [ 3679.312833][ T10] netlink_unicast+0x449/0x710 [ 3679.312833][ T10] netlink_sendmsg+0x723/0xbe0 [ 3679.312833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3679.312833][ T10] ___sys_sendmsg+0xee/0x170 [ 3679.312833][ T10] __sys_sendmsg+0xcd/0x170 [ 3679.312833][ T10] do_syscall_64+0xc6/0x1e0 [ 3679.312833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3679.312833][ T10] [ 3679.314837][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3679.314837][ T10] netdev_get_by_index+0x5e/0x80 [ 3679.314837][ T10] fib6_nh_init+0x3d8/0x1580 [ 3679.314837][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3679.314837][ T10] ip6_route_add+0x1c/0x140 [ 3679.314837][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3679.314837][ T10] addrconf_add_dev+0xe2/0x170 [ 3679.314837][ T10] inet6_addr_add+0x12f/0xa40 [ 3679.314837][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3679.314837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.314837][ T10] netlink_rcv_skb+0x130/0x360 [ 3679.314837][ T10] netlink_unicast+0x449/0x710 [ 3679.314837][ T10] netlink_sendmsg+0x723/0xbe0 [ 3679.314837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3679.314837][ T10] ___sys_sendmsg+0xee/0x170 [ 3679.314837][ T10] __sys_sendmsg+0xcd/0x170 [ 3679.314837][ T10] do_syscall_64+0xc6/0x1e0 [ 3679.314837][ T10] [ 3679.316803][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3679.316803][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3679.316803][ T10] ipv6_find_idev+0x102/0x170 [ 3679.316803][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3679.316803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.316803][ T10] netlink_rcv_skb+0x130/0x360 [ 3679.316803][ T10] netlink_unicast+0x449/0x710 [ 3679.316803][ T10] netlink_sendmsg+0x723/0xbe0 [ 3679.316803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3679.316803][ T10] ___sys_sendmsg+0xee/0x170 [ 3679.316803][ T10] __sys_sendmsg+0xcd/0x170 [ 3679.316803][ T10] do_syscall_64+0xc6/0x1e0 [ 3679.316803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3679.316803][ T10] [ 3679.318366][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3679.318366][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3679.318366][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3679.318366][ T10] ipv6_find_idev+0x102/0x170 [ 3679.318366][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3679.318366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.318366][ T10] netlink_rcv_skb+0x130/0x360 [ 3679.318366][ T10] netlink_unicast+0x449/0x710 [ 3679.318366][ T10] netlink_sendmsg+0x723/0xbe0 [ 3679.318366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3679.318366][ T10] ___sys_sendmsg+0xee/0x170 [ 3679.318366][ T10] __sys_sendmsg+0xcd/0x170 [ 3679.318366][ T10] do_syscall_64+0xc6/0x1e0 [ 3679.318366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3679.318366][ T10] [ 3679.320052][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3679.320297][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3679.320297][ T10] netdev_get_by_index+0x5e/0x80 [ 3679.320297][ T10] fib6_nh_init+0x3d8/0x1580 [ 3679.320297][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3679.320297][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3679.320297][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3679.320297][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3679.320297][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3679.320297][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3679.320297][ T10] addrconf_dad_begin+0x310/0x670 [ 3679.320297][ T10] addrconf_dad_work+0x10b/0xab0 [ 3679.320297][ T10] process_one_work+0x84d/0x18a0 [ 3679.320297][ T10] worker_thread+0x587/0xd30 [ 3679.320297][ T10] kthread+0x28a/0x350 [ 3679.320297][ T10] ret_from_fork+0x31/0x70 [ 3679.320297][ T10] ret_from_fork_asm+0x1a/0x30 [ 3679.320297][ T10] [ 3679.322215][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3679.322215][ T10] netdev_get_by_index+0x5e/0x80 [ 3679.322215][ T10] fib6_nh_init+0x3d8/0x1580 [ 3679.322215][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3679.322215][ T10] ip6_route_add+0x1c/0x140 [ 3679.322215][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3679.322215][ T10] inet6_addr_add+0x4f8/0xa40 [ 3679.322215][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3679.322215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.322215][ T10] netlink_rcv_skb+0x130/0x360 [ 3679.322215][ T10] netlink_unicast+0x449/0x710 [ 3679.322215][ T10] netlink_sendmsg+0x723/0xbe0 [ 3679.322215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3679.322215][ T10] ___sys_sendmsg+0xee/0x170 [ 3679.322215][ T10] __sys_sendmsg+0xcd/0x170 [ 3679.322215][ T10] do_syscall_64+0xc6/0x1e0 [ 3679.322215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3679.322215][ T10] [ 3679.324402][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3679.324402][ T10] netdev_get_by_index+0x5e/0x80 [ 3679.324402][ T10] fib6_nh_init+0x3d8/0x1580 [ 3679.324402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3679.324402][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3679.324402][ T10] ipv6_add_addr+0x411/0x2000 [ 3679.324402][ T10] inet6_addr_add+0x30e/0xa40 [ 3679.324402][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3679.324402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.324402][ T10] netlink_rcv_skb+0x130/0x360 [ 3679.324402][ T10] netlink_unicast+0x449/0x710 [ 3679.324402][ T10] netlink_sendmsg+0x723/0xbe0 [ 3679.324402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3679.324402][ T10] ___sys_sendmsg+0xee/0x170 [ 3679.324402][ T10] __sys_sendmsg+0xcd/0x170 [ 3679.324402][ T10] do_syscall_64+0xc6/0x1e0 [ 3679.324402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3679.324402][ T10] [ 3679.326701][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3679.326701][ T10] netdev_get_by_index+0x5e/0x80 [ 3679.326701][ T10] fib6_nh_init+0x3d8/0x1580 [ 3679.326701][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3679.326701][ T10] ip6_route_add+0x1c/0x140 [ 3679.326701][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3679.326701][ T10] addrconf_add_dev+0xe2/0x170 [ 3679.326701][ T10] inet6_addr_add+0x12f/0xa40 [ 3679.326701][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3679.326701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.326701][ T10] netlink_rcv_skb+0x130/0x360 [ 3679.326701][ T10] netlink_unicast+0x449/0x710 [ 3679.326701][ T10] netlink_sendmsg+0x723/0xbe0 [ 3679.326701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3679.326701][ T10] ___sys_sendmsg+0xee/0x170 [ 3679.326701][ T10] __sys_sendmsg+0xcd/0x170 [ 3679.326701][ T10] do_syscall_64+0xc6/0x1e0 [ 3679.326701][ T10] [ 3679.328849][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3679.328849][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3679.328849][ T10] ipv6_find_idev+0x102/0x170 [ 3679.328849][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3679.328849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.328849][ T10] netlink_rcv_skb+0x130/0x360 [ 3679.328849][ T10] netlink_unicast+0x449/0x710 [ 3679.328849][ T10] netlink_sendmsg+0x723/0xbe0 [ 3679.328849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3679.328849][ T10] ___sys_sendmsg+0xee/0x170 [ 3679.328849][ T10] __sys_sendmsg+0xcd/0x170 [ 3679.328849][ T10] do_syscall_64+0xc6/0x1e0 [ 3679.328849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3679.328849][ T10] [ 3679.330580][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3679.330580][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3679.330580][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3679.330580][ T10] ipv6_find_idev+0x102/0x170 [ 3679.330580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3679.330580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.330580][ T10] netlink_rcv_skb+0x130/0x360 [ 3679.330580][ T10] netlink_unicast+0x449/0x710 [ 3679.330580][ T10] netlink_sendmsg+0x723/0xbe0 [ 3679.330580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3679.330580][ T10] ___sys_sendmsg+0xee/0x170 [ 3679.330580][ T10] __sys_sendmsg+0xcd/0x170 [ 3679.330580][ T10] do_syscall_64+0xc6/0x1e0 [ 3679.330580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3679.330580][ T10] [ 3679.332503][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3679.332747][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3679.332747][ T10] netdev_get_by_index+0x5e/0x80 [ 3679.332747][ T10] fib6_nh_init+0x3d8/0x1580 [ 3679.332747][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3679.332747][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3679.332747][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3679.332747][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3679.332747][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3679.332747][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3679.332747][ T10] addrconf_dad_begin+0x310/0x670 [ 3679.332747][ T10] addrconf_dad_work+0x10b/0xab0 [ 3679.332747][ T10] process_one_work+0x84d/0x18a0 [ 3679.332747][ T10] worker_thread+0x587/0xd30 [ 3679.332747][ T10] kthread+0x28a/0x350 [ 3679.332747][ T10] ret_from_fork+0x31/0x70 [ 3679.332747][ T10] ret_from_fork_asm+0x1a/0x30 [ 3679.332747][ T10] [ 3679.334968][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3679.334968][ T10] netdev_get_by_index+0x5e/0x80 [ 3679.334968][ T10] fib6_nh_init+0x3d8/0x1580 [ 3679.334968][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3679.334968][ T10] ip6_route_add+0x1c/0x140 [ 3679.334968][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3679.334968][ T10] inet6_addr_add+0x4f8/0xa40 [ 3679.334968][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3679.334968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.334968][ T10] netlink_rcv_skb+0x130/0x360 [ 3679.334968][ T10] netlink_unicast+0x449/0x710 [ 3679.334968][ T10] netlink_sendmsg+0x723/0xbe0 [ 3679.334968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3679.334968][ T10] ___sys_sendmsg+0xee/0x170 [ 3679.334968][ T10] __sys_sendmsg+0xcd/0x170 [ 3679.334968][ T10] do_syscall_64+0xc6/0x1e0 [ 3679.334968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3679.334968][ T10] [ 3679.337153][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3679.337153][ T10] netdev_get_by_index+0x5e/0x80 [ 3679.337153][ T10] fib6_nh_init+0x3d8/0x1580 [ 3679.337153][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3679.337153][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3679.337153][ T10] ipv6_add_addr+0x411/0x2000 [ 3679.337153][ T10] inet6_addr_add+0x30e/0xa40 [ 3679.337153][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3679.337153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.337153][ T10] netlink_rcv_skb+0x130/0x360 [ 3679.337153][ T10] netlink_unicast+0x449/0x710 [ 3679.337153][ T10] netlink_sendmsg+0x723/0xbe0 [ 3679.337153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3679.337153][ T10] ___sys_sendmsg+0xee/0x170 [ 3679.337153][ T10] __sys_sendmsg+0xcd/0x170 [ 3679.337153][ T10] do_syscall_64+0xc6/0x1e0 [ 3679.337153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3679.337153][ T10] [ 3679.339390][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3679.339390][ T10] netdev_get_by_index+0x5e/0x80 [ 3679.339390][ T10] fib6_nh_init+0x3d8/0x1580 [ 3679.339390][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3679.339390][ T10] ip6_route_add+0x1c/0x140 [ 3679.339390][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3679.339390][ T10] addrconf_add_dev+0xe2/0x170 [ 3679.339390][ T10] inet6_addr_add+0x12f/0xa40 [ 3679.339390][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3679.339390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.339390][ T10] netlink_rcv_skb+0x130/0x360 [ 3679.339390][ T10] netlink_unicast+0x449/0x710 [ 3679.339390][ T10] netlink_sendmsg+0x723/0xbe0 [ 3679.339390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3679.339390][ T10] ___sys_sendmsg+0xee/0x170 [ 3679.339390][ T10] __sys_sendmsg+0xcd/0x170 [ 3679.339390][ T10] do_syscall_64+0xc6/0x1e0 [ 3679.339390][ T10] [ 3679.341648][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3679.341648][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3679.341648][ T10] ipv6_find_idev+0x102/0x170 [ 3679.341648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3679.341648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.341648][ T10] netlink_rcv_skb+0x130/0x360 [ 3679.341648][ T10] netlink_unicast+0x449/0x710 [ 3679.341648][ T10] netlink_sendmsg+0x723/0xbe0 [ 3679.341648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3679.341648][ T10] ___sys_sendmsg+0xee/0x170 [ 3679.341648][ T10] __sys_sendmsg+0xcd/0x170 [ 3679.341648][ T10] do_syscall_64+0xc6/0x1e0 [ 3679.341648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3679.341648][ T10] [ 3679.343376][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3679.343376][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3679.343376][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3679.343376][ T10] ipv6_find_idev+0x102/0x170 [ 3679.343376][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3679.343376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.343376][ T10] netlink_rcv_skb+0x130/0x360 [ 3679.343376][ T10] netlink_unicast+0x449/0x710 [ 3679.343376][ T10] netlink_sendmsg+0x723/0xbe0 [ 3679.343376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3679.343376][ T10] ___sys_sendmsg+0xee/0x170 [ 3679.343376][ T10] __sys_sendmsg+0xcd/0x170 [ 3679.343376][ T10] do_syscall_64+0xc6/0x1e0 [ 3679.343376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3679.343376][ T10] [ 3688.233128][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3688.233678][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3688.233678][ T1167] dst_init+0x84/0x4a0 [ 3688.233678][ T1167] dst_alloc+0x97/0x150 [ 3688.233678][ T1167] ip6_dst_alloc+0x23/0x90 [ 3688.233678][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3688.233678][ T1167] ip6_pol_route+0x56f/0x840 [ 3688.233678][ T1167] fib6_rule_lookup+0x334/0x630 [ 3688.233678][ T1167] ip6_route_output_flags+0x259/0x480 [ 3688.233678][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3688.233678][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3688.233678][ T1167] netlink_rcv_skb+0x130/0x360 [ 3688.233678][ T1167] netlink_unicast+0x449/0x710 [ 3688.233678][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3688.233678][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3688.233678][ T1167] ___sys_sendmsg+0xee/0x170 [ 3688.233678][ T1167] __sys_sendmsg+0xcd/0x170 [ 3688.233678][ T1167] do_syscall_64+0xc6/0x1e0 [ 3688.233678][ T1167] [ 3688.235947][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3688.235947][ T1167] netdev_get_by_index+0x5e/0x80 [ 3688.235947][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3688.235947][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3688.235947][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3688.235947][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3688.235947][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3688.235947][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3688.235947][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3688.235947][ T1167] addrconf_dad_begin+0x310/0x670 [ 3688.235947][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3688.235947][ T1167] process_one_work+0x84d/0x18a0 [ 3688.235947][ T1167] worker_thread+0x587/0xd30 [ 3688.235947][ T1167] kthread+0x28a/0x350 [ 3688.235947][ T1167] ret_from_fork+0x31/0x70 [ 3688.235947][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3688.235947][ T1167] [ 3688.238114][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3688.238114][ T1167] netdev_get_by_index+0x5e/0x80 [ 3688.238114][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3688.238114][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3688.238114][ T1167] ip6_route_add+0x1c/0x140 [ 3688.238114][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3688.238114][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3688.238114][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3688.238114][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3688.238114][ T1167] netlink_rcv_skb+0x130/0x360 [ 3688.238114][ T1167] netlink_unicast+0x449/0x710 [ 3688.238114][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3688.238114][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3688.238114][ T1167] ___sys_sendmsg+0xee/0x170 [ 3688.238114][ T1167] __sys_sendmsg+0xcd/0x170 [ 3688.238114][ T1167] do_syscall_64+0xc6/0x1e0 [ 3688.238114][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3688.238114][ T1167] [ 3688.240362][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3688.240362][ T1167] netdev_get_by_index+0x5e/0x80 [ 3688.240362][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3688.240362][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3688.240362][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3688.240362][ T1167] ipv6_add_addr+0x411/0x2000 [ 3688.240362][ T1167] inet6_addr_add+0x30e/0xa40 [ 3688.240362][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3688.240362][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3688.240362][ T1167] netlink_rcv_skb+0x130/0x360 [ 3688.240362][ T1167] netlink_unicast+0x449/0x710 [ 3688.240362][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3688.240362][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3688.240362][ T1167] ___sys_sendmsg+0xee/0x170 [ 3688.240362][ T1167] __sys_sendmsg+0xcd/0x170 [ 3688.240362][ T1167] do_syscall_64+0xc6/0x1e0 [ 3688.240362][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3688.240362][ T1167] [ 3688.242622][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3688.242622][ T1167] netdev_get_by_index+0x5e/0x80 [ 3688.242622][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3688.242622][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3688.242622][ T1167] ip6_route_add+0x1c/0x140 [ 3688.242622][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3688.242622][ T1167] addrconf_add_dev+0xe2/0x170 [ 3688.242622][ T1167] inet6_addr_add+0x12f/0xa40 [ 3688.242622][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3688.242622][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3688.242622][ T1167] netlink_rcv_skb+0x130/0x360 [ 3688.242622][ T1167] netlink_unicast+0x449/0x710 [ 3688.242622][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3688.242622][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3688.242622][ T1167] ___sys_sendmsg+0xee/0x170 [ 3688.242622][ T1167] __sys_sendmsg+0xcd/0x170 [ 3688.242622][ T1167] do_syscall_64+0xc6/0x1e0 [ 3688.242622][ T1167] [ 3688.244833][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3688.244833][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3688.244833][ T1167] ipv6_find_idev+0x102/0x170 [ 3688.244833][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3688.244833][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3688.244833][ T1167] netlink_rcv_skb+0x130/0x360 [ 3688.244833][ T1167] netlink_unicast+0x449/0x710 [ 3688.244833][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3688.244833][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3688.244833][ T1167] ___sys_sendmsg+0xee/0x170 [ 3688.244833][ T1167] __sys_sendmsg+0xcd/0x170 [ 3688.244833][ T1167] do_syscall_64+0xc6/0x1e0 [ 3688.244833][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3688.244833][ T1167] [ 3688.246568][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3688.246568][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3688.246568][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3688.246568][ T1167] ipv6_find_idev+0x102/0x170 [ 3688.246568][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3688.246568][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3688.246568][ T1167] netlink_rcv_skb+0x130/0x360 [ 3688.246568][ T1167] netlink_unicast+0x449/0x710 [ 3688.246568][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3688.246568][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3688.246568][ T1167] ___sys_sendmsg+0xee/0x170 [ 3688.246568][ T1167] __sys_sendmsg+0xcd/0x170 [ 3688.246568][ T1167] do_syscall_64+0xc6/0x1e0 [ 3688.246568][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3688.246568][ T1167] [ 3689.601064][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3689.601438][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3689.601438][ T10] netdev_get_by_index+0x5e/0x80 [ 3689.601438][ T10] fib6_nh_init+0x3d8/0x1580 [ 3689.601438][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3689.601438][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3689.601438][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3689.601438][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3689.601438][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3689.601438][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3689.601438][ T10] addrconf_dad_begin+0x310/0x670 [ 3689.601438][ T10] addrconf_dad_work+0x10b/0xab0 [ 3689.601438][ T10] process_one_work+0x84d/0x18a0 [ 3689.601438][ T10] worker_thread+0x587/0xd30 [ 3689.601438][ T10] kthread+0x28a/0x350 [ 3689.601438][ T10] ret_from_fork+0x31/0x70 [ 3689.601438][ T10] ret_from_fork_asm+0x1a/0x30 [ 3689.601438][ T10] [ 3689.603928][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3689.603928][ T10] netdev_get_by_index+0x5e/0x80 [ 3689.603928][ T10] fib6_nh_init+0x3d8/0x1580 [ 3689.603928][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3689.603928][ T10] ip6_route_add+0x1c/0x140 [ 3689.603928][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3689.603928][ T10] inet6_addr_add+0x4f8/0xa40 [ 3689.603928][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3689.603928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.603928][ T10] netlink_rcv_skb+0x130/0x360 [ 3689.603928][ T10] netlink_unicast+0x449/0x710 [ 3689.603928][ T10] netlink_sendmsg+0x723/0xbe0 [ 3689.603928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3689.603928][ T10] ___sys_sendmsg+0xee/0x170 [ 3689.603928][ T10] __sys_sendmsg+0xcd/0x170 [ 3689.603928][ T10] do_syscall_64+0xc6/0x1e0 [ 3689.603928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3689.603928][ T10] [ 3689.606327][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3689.606327][ T10] netdev_get_by_index+0x5e/0x80 [ 3689.606327][ T10] fib6_nh_init+0x3d8/0x1580 [ 3689.606327][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3689.606327][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3689.606327][ T10] ipv6_add_addr+0x411/0x2000 [ 3689.606327][ T10] inet6_addr_add+0x30e/0xa40 [ 3689.606327][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3689.606327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.606327][ T10] netlink_rcv_skb+0x130/0x360 [ 3689.606327][ T10] netlink_unicast+0x449/0x710 [ 3689.606327][ T10] netlink_sendmsg+0x723/0xbe0 [ 3689.606327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3689.606327][ T10] ___sys_sendmsg+0xee/0x170 [ 3689.606327][ T10] __sys_sendmsg+0xcd/0x170 [ 3689.606327][ T10] do_syscall_64+0xc6/0x1e0 [ 3689.606327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3689.606327][ T10] [ 3689.608327][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3689.608327][ T10] netdev_get_by_index+0x5e/0x80 [ 3689.608327][ T10] fib6_nh_init+0x3d8/0x1580 [ 3689.608327][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3689.608327][ T10] ip6_route_add+0x1c/0x140 [ 3689.608327][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3689.608327][ T10] addrconf_add_dev+0xe2/0x170 [ 3689.608327][ T10] inet6_addr_add+0x12f/0xa40 [ 3689.608327][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3689.608327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.608327][ T10] netlink_rcv_skb+0x130/0x360 [ 3689.608327][ T10] netlink_unicast+0x449/0x710 [ 3689.608327][ T10] netlink_sendmsg+0x723/0xbe0 [ 3689.608327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3689.608327][ T10] ___sys_sendmsg+0xee/0x170 [ 3689.608327][ T10] __sys_sendmsg+0xcd/0x170 [ 3689.608327][ T10] do_syscall_64+0xc6/0x1e0 [ 3689.608327][ T10] [ 3689.610296][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3689.610296][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3689.610296][ T10] ipv6_find_idev+0x102/0x170 [ 3689.610296][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3689.610296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.610296][ T10] netlink_rcv_skb+0x130/0x360 [ 3689.610296][ T10] netlink_unicast+0x449/0x710 [ 3689.610296][ T10] netlink_sendmsg+0x723/0xbe0 [ 3689.610296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3689.610296][ T10] ___sys_sendmsg+0xee/0x170 [ 3689.610296][ T10] __sys_sendmsg+0xcd/0x170 [ 3689.610296][ T10] do_syscall_64+0xc6/0x1e0 [ 3689.610296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3689.610296][ T10] [ 3689.611871][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3689.611871][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3689.611871][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3689.611871][ T10] ipv6_find_idev+0x102/0x170 [ 3689.611871][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3689.611871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.611871][ T10] netlink_rcv_skb+0x130/0x360 [ 3689.611871][ T10] netlink_unicast+0x449/0x710 [ 3689.611871][ T10] netlink_sendmsg+0x723/0xbe0 [ 3689.611871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3689.611871][ T10] ___sys_sendmsg+0xee/0x170 [ 3689.611871][ T10] __sys_sendmsg+0xcd/0x170 [ 3689.611871][ T10] do_syscall_64+0xc6/0x1e0 [ 3689.611871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3689.611871][ T10] [ 3689.613563][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3689.613837][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3689.613837][ T10] netdev_get_by_index+0x5e/0x80 [ 3689.613837][ T10] fib6_nh_init+0x3d8/0x1580 [ 3689.613837][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3689.613837][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3689.613837][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3689.613837][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3689.613837][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3689.613837][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3689.613837][ T10] addrconf_dad_begin+0x310/0x670 [ 3689.613837][ T10] addrconf_dad_work+0x10b/0xab0 [ 3689.613837][ T10] process_one_work+0x84d/0x18a0 [ 3689.613837][ T10] worker_thread+0x587/0xd30 [ 3689.613837][ T10] kthread+0x28a/0x350 [ 3689.613837][ T10] ret_from_fork+0x31/0x70 [ 3689.613837][ T10] ret_from_fork_asm+0x1a/0x30 [ 3689.613837][ T10] [ 3689.615765][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3689.615765][ T10] netdev_get_by_index+0x5e/0x80 [ 3689.615765][ T10] fib6_nh_init+0x3d8/0x1580 [ 3689.615765][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3689.615765][ T10] ip6_route_add+0x1c/0x140 [ 3689.615765][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3689.615765][ T10] inet6_addr_add+0x4f8/0xa40 [ 3689.615765][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3689.615765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.615765][ T10] netlink_rcv_skb+0x130/0x360 [ 3689.615765][ T10] netlink_unicast+0x449/0x710 [ 3689.615765][ T10] netlink_sendmsg+0x723/0xbe0 [ 3689.615765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3689.615765][ T10] ___sys_sendmsg+0xee/0x170 [ 3689.615765][ T10] __sys_sendmsg+0xcd/0x170 [ 3689.615765][ T10] do_syscall_64+0xc6/0x1e0 [ 3689.615765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3689.615765][ T10] [ 3689.617764][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3689.617764][ T10] netdev_get_by_index+0x5e/0x80 [ 3689.617764][ T10] fib6_nh_init+0x3d8/0x1580 [ 3689.617764][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3689.617764][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3689.617764][ T10] ipv6_add_addr+0x411/0x2000 [ 3689.617764][ T10] inet6_addr_add+0x30e/0xa40 [ 3689.617764][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3689.617764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.617764][ T10] netlink_rcv_skb+0x130/0x360 [ 3689.617764][ T10] netlink_unicast+0x449/0x710 [ 3689.617764][ T10] netlink_sendmsg+0x723/0xbe0 [ 3689.617764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3689.617764][ T10] ___sys_sendmsg+0xee/0x170 [ 3689.617764][ T10] __sys_sendmsg+0xcd/0x170 [ 3689.617764][ T10] do_syscall_64+0xc6/0x1e0 [ 3689.617764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3689.617764][ T10] [ 3689.619766][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3689.619766][ T10] netdev_get_by_index+0x5e/0x80 [ 3689.619766][ T10] fib6_nh_init+0x3d8/0x1580 [ 3689.619766][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3689.619766][ T10] ip6_route_add+0x1c/0x140 [ 3689.619766][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3689.619766][ T10] addrconf_add_dev+0xe2/0x170 [ 3689.619766][ T10] inet6_addr_add+0x12f/0xa40 [ 3689.619766][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3689.619766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.619766][ T10] netlink_rcv_skb+0x130/0x360 [ 3689.619766][ T10] netlink_unicast+0x449/0x710 [ 3689.619766][ T10] netlink_sendmsg+0x723/0xbe0 [ 3689.619766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3689.619766][ T10] ___sys_sendmsg+0xee/0x170 [ 3689.619766][ T10] __sys_sendmsg+0xcd/0x170 [ 3689.619766][ T10] do_syscall_64+0xc6/0x1e0 [ 3689.619766][ T10] [ 3689.621739][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3689.621739][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3689.621739][ T10] ipv6_find_idev+0x102/0x170 [ 3689.621739][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3689.621739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.621739][ T10] netlink_rcv_skb+0x130/0x360 [ 3689.621739][ T10] netlink_unicast+0x449/0x710 [ 3689.621739][ T10] netlink_sendmsg+0x723/0xbe0 [ 3689.621739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3689.621739][ T10] ___sys_sendmsg+0xee/0x170 [ 3689.621739][ T10] __sys_sendmsg+0xcd/0x170 [ 3689.621739][ T10] do_syscall_64+0xc6/0x1e0 [ 3689.621739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3689.621739][ T10] [ 3689.623262][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3689.623262][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3689.623262][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3689.623262][ T10] ipv6_find_idev+0x102/0x170 [ 3689.623262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3689.623262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.623262][ T10] netlink_rcv_skb+0x130/0x360 [ 3689.623262][ T10] netlink_unicast+0x449/0x710 [ 3689.623262][ T10] netlink_sendmsg+0x723/0xbe0 [ 3689.623262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3689.623262][ T10] ___sys_sendmsg+0xee/0x170 [ 3689.623262][ T10] __sys_sendmsg+0xcd/0x170 [ 3689.623262][ T10] do_syscall_64+0xc6/0x1e0 [ 3689.623262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3689.623262][ T10] [ 3689.624962][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3689.625228][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3689.625228][ T10] netdev_get_by_index+0x5e/0x80 [ 3689.625228][ T10] fib6_nh_init+0x3d8/0x1580 [ 3689.625228][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3689.625228][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3689.625228][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3689.625228][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3689.625228][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3689.625228][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3689.625228][ T10] addrconf_dad_begin+0x310/0x670 [ 3689.625228][ T10] addrconf_dad_work+0x10b/0xab0 [ 3689.625228][ T10] process_one_work+0x84d/0x18a0 [ 3689.625228][ T10] worker_thread+0x587/0xd30 [ 3689.625228][ T10] kthread+0x28a/0x350 [ 3689.625228][ T10] ret_from_fork+0x31/0x70 [ 3689.625228][ T10] ret_from_fork_asm+0x1a/0x30 [ 3689.625228][ T10] [ 3689.627149][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3689.627149][ T10] netdev_get_by_index+0x5e/0x80 [ 3689.627149][ T10] fib6_nh_init+0x3d8/0x1580 [ 3689.627149][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3689.627149][ T10] ip6_route_add+0x1c/0x140 [ 3689.627149][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3689.627149][ T10] inet6_addr_add+0x4f8/0xa40 [ 3689.627149][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3689.627149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.627149][ T10] netlink_rcv_skb+0x130/0x360 [ 3689.627149][ T10] netlink_unicast+0x449/0x710 [ 3689.627149][ T10] netlink_sendmsg+0x723/0xbe0 [ 3689.627149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3689.627149][ T10] ___sys_sendmsg+0xee/0x170 [ 3689.627149][ T10] __sys_sendmsg+0xcd/0x170 [ 3689.627149][ T10] do_syscall_64+0xc6/0x1e0 [ 3689.627149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3689.627149][ T10] [ 3689.629285][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3689.629285][ T10] netdev_get_by_index+0x5e/0x80 [ 3689.629285][ T10] fib6_nh_init+0x3d8/0x1580 [ 3689.629285][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3689.629285][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3689.629285][ T10] ipv6_add_addr+0x411/0x2000 [ 3689.629285][ T10] inet6_addr_add+0x30e/0xa40 [ 3689.629285][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3689.629285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.629285][ T10] netlink_rcv_skb+0x130/0x360 [ 3689.629285][ T10] netlink_unicast+0x449/0x710 [ 3689.629285][ T10] netlink_sendmsg+0x723/0xbe0 [ 3689.629285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3689.629285][ T10] ___sys_sendmsg+0xee/0x170 [ 3689.629285][ T10] __sys_sendmsg+0xcd/0x170 [ 3689.629285][ T10] do_syscall_64+0xc6/0x1e0 [ 3689.629285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3689.629285][ T10] [ 3689.631435][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3689.631435][ T10] netdev_get_by_index+0x5e/0x80 [ 3689.631435][ T10] fib6_nh_init+0x3d8/0x1580 [ 3689.631435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3689.631435][ T10] ip6_route_add+0x1c/0x140 [ 3689.631435][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3689.631435][ T10] addrconf_add_dev+0xe2/0x170 [ 3689.631435][ T10] inet6_addr_add+0x12f/0xa40 [ 3689.631435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3689.631435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.631435][ T10] netlink_rcv_skb+0x130/0x360 [ 3689.631435][ T10] netlink_unicast+0x449/0x710 [ 3689.631435][ T10] netlink_sendmsg+0x723/0xbe0 [ 3689.631435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3689.631435][ T10] ___sys_sendmsg+0xee/0x170 [ 3689.631435][ T10] __sys_sendmsg+0xcd/0x170 [ 3689.631435][ T10] do_syscall_64+0xc6/0x1e0 [ 3689.631435][ T10] [ 3689.633521][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3689.633521][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3689.633521][ T10] ipv6_find_idev+0x102/0x170 [ 3689.633521][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3689.633521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.633521][ T10] netlink_rcv_skb+0x130/0x360 [ 3689.633521][ T10] netlink_unicast+0x449/0x710 [ 3689.633521][ T10] netlink_sendmsg+0x723/0xbe0 [ 3689.633521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3689.633521][ T10] ___sys_sendmsg+0xee/0x170 [ 3689.633521][ T10] __sys_sendmsg+0xcd/0x170 [ 3689.633521][ T10] do_syscall_64+0xc6/0x1e0 [ 3689.633521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3689.633521][ T10] [ 3689.635189][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3689.635189][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3689.635189][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3689.635189][ T10] ipv6_find_idev+0x102/0x170 [ 3689.635189][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3689.635189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.635189][ T10] netlink_rcv_skb+0x130/0x360 [ 3689.635189][ T10] netlink_unicast+0x449/0x710 [ 3689.635189][ T10] netlink_sendmsg+0x723/0xbe0 [ 3689.635189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3689.635189][ T10] ___sys_sendmsg+0xee/0x170 [ 3689.635189][ T10] __sys_sendmsg+0xcd/0x170 [ 3689.635189][ T10] do_syscall_64+0xc6/0x1e0 [ 3689.635189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3689.635189][ T10] [ 3689.636945][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3689.637619][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3689.637619][ T10] netdev_get_by_index+0x5e/0x80 [ 3689.637619][ T10] fib6_nh_init+0x3d8/0x1580 [ 3689.637619][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3689.637619][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3689.637619][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3689.637619][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3689.637619][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3689.637619][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3689.637619][ T10] addrconf_dad_begin+0x310/0x670 [ 3689.637619][ T10] addrconf_dad_work+0x10b/0xab0 [ 3689.637619][ T10] process_one_work+0x84d/0x18a0 [ 3689.637619][ T10] worker_thread+0x587/0xd30 [ 3689.637619][ T10] kthread+0x28a/0x350 [ 3689.637619][ T10] ret_from_fork+0x31/0x70 [ 3689.637619][ T10] ret_from_fork_asm+0x1a/0x30 [ 3689.637619][ T10] [ 3689.639527][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3689.639527][ T10] netdev_get_by_index+0x5e/0x80 [ 3689.639527][ T10] fib6_nh_init+0x3d8/0x1580 [ 3689.639527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3689.639527][ T10] ip6_route_add+0x1c/0x140 [ 3689.639527][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3689.639527][ T10] inet6_addr_add+0x4f8/0xa40 [ 3689.639527][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3689.639527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.639527][ T10] netlink_rcv_skb+0x130/0x360 [ 3689.639527][ T10] netlink_unicast+0x449/0x710 [ 3689.639527][ T10] netlink_sendmsg+0x723/0xbe0 [ 3689.639527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3689.639527][ T10] ___sys_sendmsg+0xee/0x170 [ 3689.639527][ T10] __sys_sendmsg+0xcd/0x170 [ 3689.639527][ T10] do_syscall_64+0xc6/0x1e0 [ 3689.639527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3689.639527][ T10] [ 3689.641597][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3689.641597][ T10] netdev_get_by_index+0x5e/0x80 [ 3689.641597][ T10] fib6_nh_init+0x3d8/0x1580 [ 3689.641597][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3689.641597][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3689.641597][ T10] ipv6_add_addr+0x411/0x2000 [ 3689.641597][ T10] inet6_addr_add+0x30e/0xa40 [ 3689.641597][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3689.641597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.641597][ T10] netlink_rcv_skb+0x130/0x360 [ 3689.641597][ T10] netlink_unicast+0x449/0x710 [ 3689.641597][ T10] netlink_sendmsg+0x723/0xbe0 [ 3689.641597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3689.641597][ T10] ___sys_sendmsg+0xee/0x170 [ 3689.641597][ T10] __sys_sendmsg+0xcd/0x170 [ 3689.641597][ T10] do_syscall_64+0xc6/0x1e0 [ 3689.641597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3689.641597][ T10] [ 3689.643720][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3689.643720][ T10] netdev_get_by_index+0x5e/0x80 [ 3689.643720][ T10] fib6_nh_init+0x3d8/0x1580 [ 3689.643720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3689.643720][ T10] ip6_route_add+0x1c/0x140 [ 3689.643720][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3689.643720][ T10] addrconf_add_dev+0xe2/0x170 [ 3689.643720][ T10] inet6_addr_add+0x12f/0xa40 [ 3689.643720][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3689.643720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.643720][ T10] netlink_rcv_skb+0x130/0x360 [ 3689.643720][ T10] netlink_unicast+0x449/0x710 [ 3689.643720][ T10] netlink_sendmsg+0x723/0xbe0 [ 3689.643720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3689.643720][ T10] ___sys_sendmsg+0xee/0x170 [ 3689.643720][ T10] __sys_sendmsg+0xcd/0x170 [ 3689.643720][ T10] do_syscall_64+0xc6/0x1e0 [ 3689.643720][ T10] [ 3689.645836][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3689.645836][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3689.645836][ T10] ipv6_find_idev+0x102/0x170 [ 3689.645836][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3689.645836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.645836][ T10] netlink_rcv_skb+0x130/0x360 [ 3689.645836][ T10] netlink_unicast+0x449/0x710 [ 3689.645836][ T10] netlink_sendmsg+0x723/0xbe0 [ 3689.645836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3689.645836][ T10] ___sys_sendmsg+0xee/0x170 [ 3689.645836][ T10] __sys_sendmsg+0xcd/0x170 [ 3689.645836][ T10] do_syscall_64+0xc6/0x1e0 [ 3689.645836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3689.645836][ T10] [ 3689.647445][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3689.647445][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3689.647445][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3689.647445][ T10] ipv6_find_idev+0x102/0x170 [ 3689.647445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3689.647445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.647445][ T10] netlink_rcv_skb+0x130/0x360 [ 3689.647445][ T10] netlink_unicast+0x449/0x710 [ 3689.647445][ T10] netlink_sendmsg+0x723/0xbe0 [ 3689.647445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3689.647445][ T10] ___sys_sendmsg+0xee/0x170 [ 3689.647445][ T10] __sys_sendmsg+0xcd/0x170 [ 3689.647445][ T10] do_syscall_64+0xc6/0x1e0 [ 3689.647445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3689.647445][ T10] [ 3698.489148][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3698.489569][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3698.489569][ T1167] dst_init+0x84/0x4a0 [ 3698.489569][ T1167] dst_alloc+0x97/0x150 [ 3698.489569][ T1167] ip6_dst_alloc+0x23/0x90 [ 3698.489569][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3698.489569][ T1167] ip6_pol_route+0x56f/0x840 [ 3698.489569][ T1167] fib6_rule_lookup+0x334/0x630 [ 3698.489569][ T1167] ip6_route_output_flags+0x259/0x480 [ 3698.489569][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3698.489569][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3698.489569][ T1167] netlink_rcv_skb+0x130/0x360 [ 3698.489569][ T1167] netlink_unicast+0x449/0x710 [ 3698.489569][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3698.489569][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3698.489569][ T1167] ___sys_sendmsg+0xee/0x170 [ 3698.489569][ T1167] __sys_sendmsg+0xcd/0x170 [ 3698.489569][ T1167] do_syscall_64+0xc6/0x1e0 [ 3698.489569][ T1167] [ 3698.491820][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3698.491820][ T1167] netdev_get_by_index+0x5e/0x80 [ 3698.491820][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3698.491820][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3698.491820][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3698.491820][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3698.491820][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3698.491820][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3698.491820][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3698.491820][ T1167] addrconf_dad_begin+0x310/0x670 [ 3698.491820][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3698.491820][ T1167] process_one_work+0x84d/0x18a0 [ 3698.491820][ T1167] worker_thread+0x587/0xd30 [ 3698.491820][ T1167] kthread+0x28a/0x350 [ 3698.491820][ T1167] ret_from_fork+0x31/0x70 [ 3698.491820][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3698.491820][ T1167] [ 3698.493968][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3698.493968][ T1167] netdev_get_by_index+0x5e/0x80 [ 3698.493968][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3698.493968][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3698.493968][ T1167] ip6_route_add+0x1c/0x140 [ 3698.493968][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3698.493968][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3698.493968][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3698.493968][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3698.493968][ T1167] netlink_rcv_skb+0x130/0x360 [ 3698.493968][ T1167] netlink_unicast+0x449/0x710 [ 3698.493968][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3698.493968][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3698.493968][ T1167] ___sys_sendmsg+0xee/0x170 [ 3698.493968][ T1167] __sys_sendmsg+0xcd/0x170 [ 3698.493968][ T1167] do_syscall_64+0xc6/0x1e0 [ 3698.493968][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3698.493968][ T1167] [ 3698.496222][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3698.496222][ T1167] netdev_get_by_index+0x5e/0x80 [ 3698.496222][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3698.496222][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3698.496222][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3698.496222][ T1167] ipv6_add_addr+0x411/0x2000 [ 3698.496222][ T1167] inet6_addr_add+0x30e/0xa40 [ 3698.496222][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3698.496222][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3698.496222][ T1167] netlink_rcv_skb+0x130/0x360 [ 3698.496222][ T1167] netlink_unicast+0x449/0x710 [ 3698.496222][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3698.496222][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3698.496222][ T1167] ___sys_sendmsg+0xee/0x170 [ 3698.496222][ T1167] __sys_sendmsg+0xcd/0x170 [ 3698.496222][ T1167] do_syscall_64+0xc6/0x1e0 [ 3698.496222][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3698.496222][ T1167] [ 3698.498487][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3698.498487][ T1167] netdev_get_by_index+0x5e/0x80 [ 3698.498487][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3698.498487][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3698.498487][ T1167] ip6_route_add+0x1c/0x140 [ 3698.498487][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3698.498487][ T1167] addrconf_add_dev+0xe2/0x170 [ 3698.498487][ T1167] inet6_addr_add+0x12f/0xa40 [ 3698.498487][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3698.498487][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3698.498487][ T1167] netlink_rcv_skb+0x130/0x360 [ 3698.498487][ T1167] netlink_unicast+0x449/0x710 [ 3698.498487][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3698.498487][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3698.498487][ T1167] ___sys_sendmsg+0xee/0x170 [ 3698.498487][ T1167] __sys_sendmsg+0xcd/0x170 [ 3698.498487][ T1167] do_syscall_64+0xc6/0x1e0 [ 3698.498487][ T1167] [ 3698.501043][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3698.501043][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3698.501043][ T1167] ipv6_find_idev+0x102/0x170 [ 3698.501043][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3698.501043][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3698.501043][ T1167] netlink_rcv_skb+0x130/0x360 [ 3698.501043][ T1167] netlink_unicast+0x449/0x710 [ 3698.501043][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3698.501043][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3698.501043][ T1167] ___sys_sendmsg+0xee/0x170 [ 3698.501043][ T1167] __sys_sendmsg+0xcd/0x170 [ 3698.501043][ T1167] do_syscall_64+0xc6/0x1e0 [ 3698.501043][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3698.501043][ T1167] [ 3698.502758][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3698.502758][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3698.502758][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3698.502758][ T1167] ipv6_find_idev+0x102/0x170 [ 3698.502758][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3698.502758][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3698.502758][ T1167] netlink_rcv_skb+0x130/0x360 [ 3698.502758][ T1167] netlink_unicast+0x449/0x710 [ 3698.502758][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3698.502758][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3698.502758][ T1167] ___sys_sendmsg+0xee/0x170 [ 3698.502758][ T1167] __sys_sendmsg+0xcd/0x170 [ 3698.502758][ T1167] do_syscall_64+0xc6/0x1e0 [ 3698.502758][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3698.502758][ T1167] [ 3699.905142][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3699.905542][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3699.905542][ T10] netdev_get_by_index+0x5e/0x80 [ 3699.905542][ T10] fib6_nh_init+0x3d8/0x1580 [ 3699.905542][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3699.905542][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3699.905542][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3699.905542][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3699.905542][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3699.905542][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3699.905542][ T10] addrconf_dad_begin+0x310/0x670 [ 3699.905542][ T10] addrconf_dad_work+0x10b/0xab0 [ 3699.905542][ T10] process_one_work+0x84d/0x18a0 [ 3699.905542][ T10] worker_thread+0x587/0xd30 [ 3699.905542][ T10] kthread+0x28a/0x350 [ 3699.905542][ T10] ret_from_fork+0x31/0x70 [ 3699.905542][ T10] ret_from_fork_asm+0x1a/0x30 [ 3699.905542][ T10] [ 3699.907505][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3699.907505][ T10] netdev_get_by_index+0x5e/0x80 [ 3699.907505][ T10] fib6_nh_init+0x3d8/0x1580 [ 3699.907505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3699.907505][ T10] ip6_route_add+0x1c/0x140 [ 3699.907505][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3699.907505][ T10] inet6_addr_add+0x4f8/0xa40 [ 3699.907505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3699.907505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3699.907505][ T10] netlink_rcv_skb+0x130/0x360 [ 3699.907505][ T10] netlink_unicast+0x449/0x710 [ 3699.907505][ T10] netlink_sendmsg+0x723/0xbe0 [ 3699.907505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3699.907505][ T10] ___sys_sendmsg+0xee/0x170 [ 3699.907505][ T10] __sys_sendmsg+0xcd/0x170 [ 3699.907505][ T10] do_syscall_64+0xc6/0x1e0 [ 3699.907505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3699.907505][ T10] [ 3699.909614][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3699.909614][ T10] netdev_get_by_index+0x5e/0x80 [ 3699.909614][ T10] fib6_nh_init+0x3d8/0x1580 [ 3699.909614][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3699.909614][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3699.909614][ T10] ipv6_add_addr+0x411/0x2000 [ 3699.909614][ T10] inet6_addr_add+0x30e/0xa40 [ 3699.909614][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3699.909614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3699.909614][ T10] netlink_rcv_skb+0x130/0x360 [ 3699.909614][ T10] netlink_unicast+0x449/0x710 [ 3699.909614][ T10] netlink_sendmsg+0x723/0xbe0 [ 3699.909614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3699.909614][ T10] ___sys_sendmsg+0xee/0x170 [ 3699.909614][ T10] __sys_sendmsg+0xcd/0x170 [ 3699.909614][ T10] do_syscall_64+0xc6/0x1e0 [ 3699.909614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3699.909614][ T10] [ 3699.911656][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3699.911656][ T10] netdev_get_by_index+0x5e/0x80 [ 3699.911656][ T10] fib6_nh_init+0x3d8/0x1580 [ 3699.911656][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3699.911656][ T10] ip6_route_add+0x1c/0x140 [ 3699.911656][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3699.911656][ T10] addrconf_add_dev+0xe2/0x170 [ 3699.911656][ T10] inet6_addr_add+0x12f/0xa40 [ 3699.911656][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3699.911656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3699.911656][ T10] netlink_rcv_skb+0x130/0x360 [ 3699.911656][ T10] netlink_unicast+0x449/0x710 [ 3699.911656][ T10] netlink_sendmsg+0x723/0xbe0 [ 3699.911656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3699.911656][ T10] ___sys_sendmsg+0xee/0x170 [ 3699.911656][ T10] __sys_sendmsg+0xcd/0x170 [ 3699.911656][ T10] do_syscall_64+0xc6/0x1e0 [ 3699.911656][ T10] [ 3699.913673][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3699.913673][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3699.913673][ T10] ipv6_find_idev+0x102/0x170 [ 3699.913673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3699.913673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3699.913673][ T10] netlink_rcv_skb+0x130/0x360 [ 3699.913673][ T10] netlink_unicast+0x449/0x710 [ 3699.913673][ T10] netlink_sendmsg+0x723/0xbe0 [ 3699.913673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3699.913673][ T10] ___sys_sendmsg+0xee/0x170 [ 3699.913673][ T10] __sys_sendmsg+0xcd/0x170 [ 3699.913673][ T10] do_syscall_64+0xc6/0x1e0 [ 3699.913673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3699.913673][ T10] [ 3699.915239][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3699.915239][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3699.915239][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3699.915239][ T10] ipv6_find_idev+0x102/0x170 [ 3699.915239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3699.915239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3699.915239][ T10] netlink_rcv_skb+0x130/0x360 [ 3699.915239][ T10] netlink_unicast+0x449/0x710 [ 3699.915239][ T10] netlink_sendmsg+0x723/0xbe0 [ 3699.915239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3699.915239][ T10] ___sys_sendmsg+0xee/0x170 [ 3699.915239][ T10] __sys_sendmsg+0xcd/0x170 [ 3699.915239][ T10] do_syscall_64+0xc6/0x1e0 [ 3699.915239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3699.915239][ T10] [ 3699.916977][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3699.917235][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3699.917235][ T10] netdev_get_by_index+0x5e/0x80 [ 3699.917235][ T10] fib6_nh_init+0x3d8/0x1580 [ 3699.917235][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3699.917235][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3699.917235][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3699.917235][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3699.917235][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3699.917235][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3699.917235][ T10] addrconf_dad_begin+0x310/0x670 [ 3699.917235][ T10] addrconf_dad_work+0x10b/0xab0 [ 3699.917235][ T10] process_one_work+0x84d/0x18a0 [ 3699.917235][ T10] worker_thread+0x587/0xd30 [ 3699.917235][ T10] kthread+0x28a/0x350 [ 3699.917235][ T10] ret_from_fork+0x31/0x70 [ 3699.917235][ T10] ret_from_fork_asm+0x1a/0x30 [ 3699.917235][ T10] [ 3699.919171][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3699.919171][ T10] netdev_get_by_index+0x5e/0x80 [ 3699.919171][ T10] fib6_nh_init+0x3d8/0x1580 [ 3699.919171][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3699.919171][ T10] ip6_route_add+0x1c/0x140 [ 3699.919171][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3699.919171][ T10] inet6_addr_add+0x4f8/0xa40 [ 3699.919171][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3699.919171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3699.919171][ T10] netlink_rcv_skb+0x130/0x360 [ 3699.919171][ T10] netlink_unicast+0x449/0x710 [ 3699.919171][ T10] netlink_sendmsg+0x723/0xbe0 [ 3699.919171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3699.919171][ T10] ___sys_sendmsg+0xee/0x170 [ 3699.919171][ T10] __sys_sendmsg+0xcd/0x170 [ 3699.919171][ T10] do_syscall_64+0xc6/0x1e0 [ 3699.919171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3699.919171][ T10] [ 3699.921261][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3699.921261][ T10] netdev_get_by_index+0x5e/0x80 [ 3699.921261][ T10] fib6_nh_init+0x3d8/0x1580 [ 3699.921261][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3699.921261][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3699.921261][ T10] ipv6_add_addr+0x411/0x2000 [ 3699.921261][ T10] inet6_addr_add+0x30e/0xa40 [ 3699.921261][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3699.921261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3699.921261][ T10] netlink_rcv_skb+0x130/0x360 [ 3699.921261][ T10] netlink_unicast+0x449/0x710 [ 3699.921261][ T10] netlink_sendmsg+0x723/0xbe0 [ 3699.921261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3699.921261][ T10] ___sys_sendmsg+0xee/0x170 [ 3699.921261][ T10] __sys_sendmsg+0xcd/0x170 [ 3699.921261][ T10] do_syscall_64+0xc6/0x1e0 [ 3699.921261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3699.921261][ T10] [ 3699.923284][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3699.923284][ T10] netdev_get_by_index+0x5e/0x80 [ 3699.923284][ T10] fib6_nh_init+0x3d8/0x1580 [ 3699.923284][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3699.923284][ T10] ip6_route_add+0x1c/0x140 [ 3699.923284][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3699.923284][ T10] addrconf_add_dev+0xe2/0x170 [ 3699.923284][ T10] inet6_addr_add+0x12f/0xa40 [ 3699.923284][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3699.923284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3699.923284][ T10] netlink_rcv_skb+0x130/0x360 [ 3699.923284][ T10] netlink_unicast+0x449/0x710 [ 3699.923284][ T10] netlink_sendmsg+0x723/0xbe0 [ 3699.923284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3699.923284][ T10] ___sys_sendmsg+0xee/0x170 [ 3699.923284][ T10] __sys_sendmsg+0xcd/0x170 [ 3699.923284][ T10] do_syscall_64+0xc6/0x1e0 [ 3699.923284][ T10] [ 3699.925279][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3699.925279][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3699.925279][ T10] ipv6_find_idev+0x102/0x170 [ 3699.925279][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3699.925279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3699.925279][ T10] netlink_rcv_skb+0x130/0x360 [ 3699.925279][ T10] netlink_unicast+0x449/0x710 [ 3699.925279][ T10] netlink_sendmsg+0x723/0xbe0 [ 3699.925279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3699.925279][ T10] ___sys_sendmsg+0xee/0x170 [ 3699.925279][ T10] __sys_sendmsg+0xcd/0x170 [ 3699.925279][ T10] do_syscall_64+0xc6/0x1e0 [ 3699.925279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3699.925279][ T10] [ 3699.926829][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3699.926829][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3699.926829][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3699.926829][ T10] ipv6_find_idev+0x102/0x170 [ 3699.926829][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3699.926829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3699.926829][ T10] netlink_rcv_skb+0x130/0x360 [ 3699.926829][ T10] netlink_unicast+0x449/0x710 [ 3699.926829][ T10] netlink_sendmsg+0x723/0xbe0 [ 3699.926829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3699.926829][ T10] ___sys_sendmsg+0xee/0x170 [ 3699.926829][ T10] __sys_sendmsg+0xcd/0x170 [ 3699.926829][ T10] do_syscall_64+0xc6/0x1e0 [ 3699.926829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3699.926829][ T10] [ 3699.928551][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3699.928797][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3699.928797][ T10] netdev_get_by_index+0x5e/0x80 [ 3699.928797][ T10] fib6_nh_init+0x3d8/0x1580 [ 3699.928797][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3699.928797][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3699.928797][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3699.928797][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3699.928797][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3699.928797][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3699.928797][ T10] addrconf_dad_begin+0x310/0x670 [ 3699.928797][ T10] addrconf_dad_work+0x10b/0xab0 [ 3699.928797][ T10] process_one_work+0x84d/0x18a0 [ 3699.928797][ T10] worker_thread+0x587/0xd30 [ 3699.928797][ T10] kthread+0x28a/0x350 [ 3699.928797][ T10] ret_from_fork+0x31/0x70 [ 3699.928797][ T10] ret_from_fork_asm+0x1a/0x30 [ 3699.928797][ T10] [ 3699.930757][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3699.930757][ T10] netdev_get_by_index+0x5e/0x80 [ 3699.930757][ T10] fib6_nh_init+0x3d8/0x1580 [ 3699.930757][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3699.930757][ T10] ip6_route_add+0x1c/0x140 [ 3699.930757][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3699.930757][ T10] inet6_addr_add+0x4f8/0xa40 [ 3699.930757][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3699.930757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3699.930757][ T10] netlink_rcv_skb+0x130/0x360 [ 3699.930757][ T10] netlink_unicast+0x449/0x710 [ 3699.930757][ T10] netlink_sendmsg+0x723/0xbe0 [ 3699.930757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3699.930757][ T10] ___sys_sendmsg+0xee/0x170 [ 3699.930757][ T10] __sys_sendmsg+0xcd/0x170 [ 3699.930757][ T10] do_syscall_64+0xc6/0x1e0 [ 3699.930757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3699.930757][ T10] [ 3699.932959][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3699.932959][ T10] netdev_get_by_index+0x5e/0x80 [ 3699.932959][ T10] fib6_nh_init+0x3d8/0x1580 [ 3699.932959][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3699.932959][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3699.932959][ T10] ipv6_add_addr+0x411/0x2000 [ 3699.932959][ T10] inet6_addr_add+0x30e/0xa40 [ 3699.932959][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3699.932959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3699.932959][ T10] netlink_rcv_skb+0x130/0x360 [ 3699.932959][ T10] netlink_unicast+0x449/0x710 [ 3699.932959][ T10] netlink_sendmsg+0x723/0xbe0 [ 3699.932959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3699.932959][ T10] ___sys_sendmsg+0xee/0x170 [ 3699.932959][ T10] __sys_sendmsg+0xcd/0x170 [ 3699.932959][ T10] do_syscall_64+0xc6/0x1e0 [ 3699.932959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3699.932959][ T10] [ 3699.935300][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3699.935300][ T10] netdev_get_by_index+0x5e/0x80 [ 3699.935300][ T10] fib6_nh_init+0x3d8/0x1580 [ 3699.935300][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3699.935300][ T10] ip6_route_add+0x1c/0x140 [ 3699.935300][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3699.935300][ T10] addrconf_add_dev+0xe2/0x170 [ 3699.935300][ T10] inet6_addr_add+0x12f/0xa40 [ 3699.935300][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3699.935300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3699.935300][ T10] netlink_rcv_skb+0x130/0x360 [ 3699.935300][ T10] netlink_unicast+0x449/0x710 [ 3699.935300][ T10] netlink_sendmsg+0x723/0xbe0 [ 3699.935300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3699.935300][ T10] ___sys_sendmsg+0xee/0x170 [ 3699.935300][ T10] __sys_sendmsg+0xcd/0x170 [ 3699.935300][ T10] do_syscall_64+0xc6/0x1e0 [ 3699.935300][ T10] [ 3699.937525][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3699.937525][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3699.937525][ T10] ipv6_find_idev+0x102/0x170 [ 3699.937525][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3699.937525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3699.937525][ T10] netlink_rcv_skb+0x130/0x360 [ 3699.937525][ T10] netlink_unicast+0x449/0x710 [ 3699.937525][ T10] netlink_sendmsg+0x723/0xbe0 [ 3699.937525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3699.937525][ T10] ___sys_sendmsg+0xee/0x170 [ 3699.937525][ T10] __sys_sendmsg+0xcd/0x170 [ 3699.937525][ T10] do_syscall_64+0xc6/0x1e0 [ 3699.937525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3699.937525][ T10] [ 3699.939270][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3699.939270][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3699.939270][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3699.939270][ T10] ipv6_find_idev+0x102/0x170 [ 3699.939270][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3699.939270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3699.939270][ T10] netlink_rcv_skb+0x130/0x360 [ 3699.939270][ T10] netlink_unicast+0x449/0x710 [ 3699.939270][ T10] netlink_sendmsg+0x723/0xbe0 [ 3699.939270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3699.939270][ T10] ___sys_sendmsg+0xee/0x170 [ 3699.939270][ T10] __sys_sendmsg+0xcd/0x170 [ 3699.939270][ T10] do_syscall_64+0xc6/0x1e0 [ 3699.939270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3699.939270][ T10] [ 3699.941170][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3699.941416][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3699.941416][ T10] netdev_get_by_index+0x5e/0x80 [ 3699.941416][ T10] fib6_nh_init+0x3d8/0x1580 [ 3699.941416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3699.941416][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3699.941416][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3699.941416][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3699.941416][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3699.941416][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3699.941416][ T10] addrconf_dad_begin+0x310/0x670 [ 3699.941416][ T10] addrconf_dad_work+0x10b/0xab0 [ 3699.941416][ T10] process_one_work+0x84d/0x18a0 [ 3699.941416][ T10] worker_thread+0x587/0xd30 [ 3699.941416][ T10] kthread+0x28a/0x350 [ 3699.941416][ T10] ret_from_fork+0x31/0x70 [ 3699.941416][ T10] ret_from_fork_asm+0x1a/0x30 [ 3699.941416][ T10] [ 3699.943676][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3699.943676][ T10] netdev_get_by_index+0x5e/0x80 [ 3699.943676][ T10] fib6_nh_init+0x3d8/0x1580 [ 3699.943676][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3699.943676][ T10] ip6_route_add+0x1c/0x140 [ 3699.943676][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3699.943676][ T10] inet6_addr_add+0x4f8/0xa40 [ 3699.943676][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3699.943676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3699.943676][ T10] netlink_rcv_skb+0x130/0x360 [ 3699.943676][ T10] netlink_unicast+0x449/0x710 [ 3699.943676][ T10] netlink_sendmsg+0x723/0xbe0 [ 3699.943676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3699.943676][ T10] ___sys_sendmsg+0xee/0x170 [ 3699.943676][ T10] __sys_sendmsg+0xcd/0x170 [ 3699.943676][ T10] do_syscall_64+0xc6/0x1e0 [ 3699.943676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3699.943676][ T10] [ 3699.945991][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3699.945991][ T10] netdev_get_by_index+0x5e/0x80 [ 3699.945991][ T10] fib6_nh_init+0x3d8/0x1580 [ 3699.945991][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3699.945991][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3699.945991][ T10] ipv6_add_addr+0x411/0x2000 [ 3699.945991][ T10] inet6_addr_add+0x30e/0xa40 [ 3699.945991][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3699.945991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3699.945991][ T10] netlink_rcv_skb+0x130/0x360 [ 3699.945991][ T10] netlink_unicast+0x449/0x710 [ 3699.945991][ T10] netlink_sendmsg+0x723/0xbe0 [ 3699.945991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3699.945991][ T10] ___sys_sendmsg+0xee/0x170 [ 3699.945991][ T10] __sys_sendmsg+0xcd/0x170 [ 3699.945991][ T10] do_syscall_64+0xc6/0x1e0 [ 3699.945991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3699.945991][ T10] [ 3699.948264][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3699.948264][ T10] netdev_get_by_index+0x5e/0x80 [ 3699.948264][ T10] fib6_nh_init+0x3d8/0x1580 [ 3699.948264][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3699.948264][ T10] ip6_route_add+0x1c/0x140 [ 3699.948264][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3699.948264][ T10] addrconf_add_dev+0xe2/0x170 [ 3699.948264][ T10] inet6_addr_add+0x12f/0xa40 [ 3699.948264][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3699.948264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3699.948264][ T10] netlink_rcv_skb+0x130/0x360 [ 3699.948264][ T10] netlink_unicast+0x449/0x710 [ 3699.948264][ T10] netlink_sendmsg+0x723/0xbe0 [ 3699.948264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3699.948264][ T10] ___sys_sendmsg+0xee/0x170 [ 3699.948264][ T10] __sys_sendmsg+0xcd/0x170 [ 3699.948264][ T10] do_syscall_64+0xc6/0x1e0 [ 3699.948264][ T10] [ 3699.950445][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3699.950445][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3699.950445][ T10] ipv6_find_idev+0x102/0x170 [ 3699.950445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3699.950445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3699.950445][ T10] netlink_rcv_skb+0x130/0x360 [ 3699.950445][ T10] netlink_unicast+0x449/0x710 [ 3699.950445][ T10] netlink_sendmsg+0x723/0xbe0 [ 3699.950445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3699.950445][ T10] ___sys_sendmsg+0xee/0x170 [ 3699.950445][ T10] __sys_sendmsg+0xcd/0x170 [ 3699.950445][ T10] do_syscall_64+0xc6/0x1e0 [ 3699.950445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3699.950445][ T10] [ 3699.952198][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3699.952198][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3699.952198][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3699.952198][ T10] ipv6_find_idev+0x102/0x170 [ 3699.952198][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3699.952198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3699.952198][ T10] netlink_rcv_skb+0x130/0x360 [ 3699.952198][ T10] netlink_unicast+0x449/0x710 [ 3699.952198][ T10] netlink_sendmsg+0x723/0xbe0 [ 3699.952198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3699.952198][ T10] ___sys_sendmsg+0xee/0x170 [ 3699.952198][ T10] __sys_sendmsg+0xcd/0x170 [ 3699.952198][ T10] do_syscall_64+0xc6/0x1e0 [ 3699.952198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3699.952198][ T10] [ 3708.641089][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3708.641519][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3708.641519][ T1167] dst_init+0x84/0x4a0 [ 3708.641519][ T1167] dst_alloc+0x97/0x150 [ 3708.641519][ T1167] ip6_dst_alloc+0x23/0x90 [ 3708.641519][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3708.641519][ T1167] ip6_pol_route+0x56f/0x840 [ 3708.641519][ T1167] fib6_rule_lookup+0x334/0x630 [ 3708.641519][ T1167] ip6_route_output_flags+0x259/0x480 [ 3708.641519][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3708.641519][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3708.641519][ T1167] netlink_rcv_skb+0x130/0x360 [ 3708.641519][ T1167] netlink_unicast+0x449/0x710 [ 3708.641519][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3708.641519][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3708.641519][ T1167] ___sys_sendmsg+0xee/0x170 [ 3708.641519][ T1167] __sys_sendmsg+0xcd/0x170 [ 3708.641519][ T1167] do_syscall_64+0xc6/0x1e0 [ 3708.641519][ T1167] [ 3708.643721][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3708.643721][ T1167] netdev_get_by_index+0x5e/0x80 [ 3708.643721][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3708.643721][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3708.643721][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3708.643721][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3708.643721][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3708.643721][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3708.643721][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3708.643721][ T1167] addrconf_dad_begin+0x310/0x670 [ 3708.643721][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3708.643721][ T1167] process_one_work+0x84d/0x18a0 [ 3708.643721][ T1167] worker_thread+0x587/0xd30 [ 3708.643721][ T1167] kthread+0x28a/0x350 [ 3708.643721][ T1167] ret_from_fork+0x31/0x70 [ 3708.643721][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3708.643721][ T1167] [ 3708.645881][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3708.645881][ T1167] netdev_get_by_index+0x5e/0x80 [ 3708.645881][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3708.645881][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3708.645881][ T1167] ip6_route_add+0x1c/0x140 [ 3708.645881][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3708.645881][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3708.645881][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3708.645881][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3708.645881][ T1167] netlink_rcv_skb+0x130/0x360 [ 3708.645881][ T1167] netlink_unicast+0x449/0x710 [ 3708.645881][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3708.645881][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3708.645881][ T1167] ___sys_sendmsg+0xee/0x170 [ 3708.645881][ T1167] __sys_sendmsg+0xcd/0x170 [ 3708.645881][ T1167] do_syscall_64+0xc6/0x1e0 [ 3708.645881][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3708.645881][ T1167] [ 3708.648120][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3708.648120][ T1167] netdev_get_by_index+0x5e/0x80 [ 3708.648120][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3708.648120][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3708.648120][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3708.648120][ T1167] ipv6_add_addr+0x411/0x2000 [ 3708.648120][ T1167] inet6_addr_add+0x30e/0xa40 [ 3708.648120][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3708.648120][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3708.648120][ T1167] netlink_rcv_skb+0x130/0x360 [ 3708.648120][ T1167] netlink_unicast+0x449/0x710 [ 3708.648120][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3708.648120][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3708.648120][ T1167] ___sys_sendmsg+0xee/0x170 [ 3708.648120][ T1167] __sys_sendmsg+0xcd/0x170 [ 3708.648120][ T1167] do_syscall_64+0xc6/0x1e0 [ 3708.648120][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3708.648120][ T1167] [ 3708.650353][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3708.650353][ T1167] netdev_get_by_index+0x5e/0x80 [ 3708.650353][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3708.650353][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3708.650353][ T1167] ip6_route_add+0x1c/0x140 [ 3708.650353][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3708.650353][ T1167] addrconf_add_dev+0xe2/0x170 [ 3708.650353][ T1167] inet6_addr_add+0x12f/0xa40 [ 3708.650353][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3708.650353][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3708.650353][ T1167] netlink_rcv_skb+0x130/0x360 [ 3708.650353][ T1167] netlink_unicast+0x449/0x710 [ 3708.650353][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3708.650353][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3708.650353][ T1167] ___sys_sendmsg+0xee/0x170 [ 3708.650353][ T1167] __sys_sendmsg+0xcd/0x170 [ 3708.650353][ T1167] do_syscall_64+0xc6/0x1e0 [ 3708.650353][ T1167] [ 3708.652556][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3708.652556][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3708.652556][ T1167] ipv6_find_idev+0x102/0x170 [ 3708.652556][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3708.652556][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3708.652556][ T1167] netlink_rcv_skb+0x130/0x360 [ 3708.652556][ T1167] netlink_unicast+0x449/0x710 [ 3708.652556][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3708.652556][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3708.652556][ T1167] ___sys_sendmsg+0xee/0x170 [ 3708.652556][ T1167] __sys_sendmsg+0xcd/0x170 [ 3708.652556][ T1167] do_syscall_64+0xc6/0x1e0 [ 3708.652556][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3708.652556][ T1167] [ 3708.654284][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3708.654284][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3708.654284][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3708.654284][ T1167] ipv6_find_idev+0x102/0x170 [ 3708.654284][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3708.654284][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3708.654284][ T1167] netlink_rcv_skb+0x130/0x360 [ 3708.654284][ T1167] netlink_unicast+0x449/0x710 [ 3708.654284][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3708.654284][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3708.654284][ T1167] ___sys_sendmsg+0xee/0x170 [ 3708.654284][ T1167] __sys_sendmsg+0xcd/0x170 [ 3708.654284][ T1167] do_syscall_64+0xc6/0x1e0 [ 3708.654284][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3708.654284][ T1167] [ 3710.105169][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3710.105568][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3710.105568][ T10] netdev_get_by_index+0x5e/0x80 [ 3710.105568][ T10] fib6_nh_init+0x3d8/0x1580 [ 3710.105568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3710.105568][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3710.105568][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3710.105568][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3710.105568][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3710.105568][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3710.105568][ T10] addrconf_dad_begin+0x310/0x670 [ 3710.105568][ T10] addrconf_dad_work+0x10b/0xab0 [ 3710.105568][ T10] process_one_work+0x84d/0x18a0 [ 3710.105568][ T10] worker_thread+0x587/0xd30 [ 3710.105568][ T10] kthread+0x28a/0x350 [ 3710.105568][ T10] ret_from_fork+0x31/0x70 [ 3710.105568][ T10] ret_from_fork_asm+0x1a/0x30 [ 3710.105568][ T10] [ 3710.107535][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3710.107535][ T10] netdev_get_by_index+0x5e/0x80 [ 3710.107535][ T10] fib6_nh_init+0x3d8/0x1580 [ 3710.107535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3710.107535][ T10] ip6_route_add+0x1c/0x140 [ 3710.107535][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3710.107535][ T10] inet6_addr_add+0x4f8/0xa40 [ 3710.107535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3710.107535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.107535][ T10] netlink_rcv_skb+0x130/0x360 [ 3710.107535][ T10] netlink_unicast+0x449/0x710 [ 3710.107535][ T10] netlink_sendmsg+0x723/0xbe0 [ 3710.107535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3710.107535][ T10] ___sys_sendmsg+0xee/0x170 [ 3710.107535][ T10] __sys_sendmsg+0xcd/0x170 [ 3710.107535][ T10] do_syscall_64+0xc6/0x1e0 [ 3710.107535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3710.107535][ T10] [ 3710.109597][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3710.109597][ T10] netdev_get_by_index+0x5e/0x80 [ 3710.109597][ T10] fib6_nh_init+0x3d8/0x1580 [ 3710.109597][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3710.109597][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3710.109597][ T10] ipv6_add_addr+0x411/0x2000 [ 3710.109597][ T10] inet6_addr_add+0x30e/0xa40 [ 3710.109597][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3710.109597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.109597][ T10] netlink_rcv_skb+0x130/0x360 [ 3710.109597][ T10] netlink_unicast+0x449/0x710 [ 3710.109597][ T10] netlink_sendmsg+0x723/0xbe0 [ 3710.109597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3710.109597][ T10] ___sys_sendmsg+0xee/0x170 [ 3710.109597][ T10] __sys_sendmsg+0xcd/0x170 [ 3710.109597][ T10] do_syscall_64+0xc6/0x1e0 [ 3710.109597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3710.109597][ T10] [ 3710.111631][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3710.111631][ T10] netdev_get_by_index+0x5e/0x80 [ 3710.111631][ T10] fib6_nh_init+0x3d8/0x1580 [ 3710.111631][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3710.111631][ T10] ip6_route_add+0x1c/0x140 [ 3710.111631][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3710.111631][ T10] addrconf_add_dev+0xe2/0x170 [ 3710.111631][ T10] inet6_addr_add+0x12f/0xa40 [ 3710.111631][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3710.111631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.111631][ T10] netlink_rcv_skb+0x130/0x360 [ 3710.111631][ T10] netlink_unicast+0x449/0x710 [ 3710.111631][ T10] netlink_sendmsg+0x723/0xbe0 [ 3710.111631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3710.111631][ T10] ___sys_sendmsg+0xee/0x170 [ 3710.111631][ T10] __sys_sendmsg+0xcd/0x170 [ 3710.111631][ T10] do_syscall_64+0xc6/0x1e0 [ 3710.111631][ T10] [ 3710.113621][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3710.113621][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3710.113621][ T10] ipv6_find_idev+0x102/0x170 [ 3710.113621][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3710.113621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.113621][ T10] netlink_rcv_skb+0x130/0x360 [ 3710.113621][ T10] netlink_unicast+0x449/0x710 [ 3710.113621][ T10] netlink_sendmsg+0x723/0xbe0 [ 3710.113621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3710.113621][ T10] ___sys_sendmsg+0xee/0x170 [ 3710.113621][ T10] __sys_sendmsg+0xcd/0x170 [ 3710.113621][ T10] do_syscall_64+0xc6/0x1e0 [ 3710.113621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3710.113621][ T10] [ 3710.115187][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3710.115187][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3710.115187][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3710.115187][ T10] ipv6_find_idev+0x102/0x170 [ 3710.115187][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3710.115187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.115187][ T10] netlink_rcv_skb+0x130/0x360 [ 3710.115187][ T10] netlink_unicast+0x449/0x710 [ 3710.115187][ T10] netlink_sendmsg+0x723/0xbe0 [ 3710.115187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3710.115187][ T10] ___sys_sendmsg+0xee/0x170 [ 3710.115187][ T10] __sys_sendmsg+0xcd/0x170 [ 3710.115187][ T10] do_syscall_64+0xc6/0x1e0 [ 3710.115187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3710.115187][ T10] [ 3710.116910][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3710.117205][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3710.117205][ T10] netdev_get_by_index+0x5e/0x80 [ 3710.117205][ T10] fib6_nh_init+0x3d8/0x1580 [ 3710.117205][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3710.117205][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3710.117205][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3710.117205][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3710.117205][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3710.117205][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3710.117205][ T10] addrconf_dad_begin+0x310/0x670 [ 3710.117205][ T10] addrconf_dad_work+0x10b/0xab0 [ 3710.117205][ T10] process_one_work+0x84d/0x18a0 [ 3710.117205][ T10] worker_thread+0x587/0xd30 [ 3710.117205][ T10] kthread+0x28a/0x350 [ 3710.117205][ T10] ret_from_fork+0x31/0x70 [ 3710.117205][ T10] ret_from_fork_asm+0x1a/0x30 [ 3710.117205][ T10] [ 3710.119156][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3710.119156][ T10] netdev_get_by_index+0x5e/0x80 [ 3710.119156][ T10] fib6_nh_init+0x3d8/0x1580 [ 3710.119156][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3710.119156][ T10] ip6_route_add+0x1c/0x140 [ 3710.119156][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3710.119156][ T10] inet6_addr_add+0x4f8/0xa40 [ 3710.119156][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3710.119156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.119156][ T10] netlink_rcv_skb+0x130/0x360 [ 3710.119156][ T10] netlink_unicast+0x449/0x710 [ 3710.119156][ T10] netlink_sendmsg+0x723/0xbe0 [ 3710.119156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3710.119156][ T10] ___sys_sendmsg+0xee/0x170 [ 3710.119156][ T10] __sys_sendmsg+0xcd/0x170 [ 3710.119156][ T10] do_syscall_64+0xc6/0x1e0 [ 3710.119156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3710.119156][ T10] [ 3710.121197][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3710.121197][ T10] netdev_get_by_index+0x5e/0x80 [ 3710.121197][ T10] fib6_nh_init+0x3d8/0x1580 [ 3710.121197][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3710.121197][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3710.121197][ T10] ipv6_add_addr+0x411/0x2000 [ 3710.121197][ T10] inet6_addr_add+0x30e/0xa40 [ 3710.121197][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3710.121197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.121197][ T10] netlink_rcv_skb+0x130/0x360 [ 3710.121197][ T10] netlink_unicast+0x449/0x710 [ 3710.121197][ T10] netlink_sendmsg+0x723/0xbe0 [ 3710.121197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3710.121197][ T10] ___sys_sendmsg+0xee/0x170 [ 3710.121197][ T10] __sys_sendmsg+0xcd/0x170 [ 3710.121197][ T10] do_syscall_64+0xc6/0x1e0 [ 3710.121197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3710.121197][ T10] [ 3710.123215][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3710.123215][ T10] netdev_get_by_index+0x5e/0x80 [ 3710.123215][ T10] fib6_nh_init+0x3d8/0x1580 [ 3710.123215][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3710.123215][ T10] ip6_route_add+0x1c/0x140 [ 3710.123215][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3710.123215][ T10] addrconf_add_dev+0xe2/0x170 [ 3710.123215][ T10] inet6_addr_add+0x12f/0xa40 [ 3710.123215][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3710.123215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.123215][ T10] netlink_rcv_skb+0x130/0x360 [ 3710.123215][ T10] netlink_unicast+0x449/0x710 [ 3710.123215][ T10] netlink_sendmsg+0x723/0xbe0 [ 3710.123215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3710.123215][ T10] ___sys_sendmsg+0xee/0x170 [ 3710.123215][ T10] __sys_sendmsg+0xcd/0x170 [ 3710.123215][ T10] do_syscall_64+0xc6/0x1e0 [ 3710.123215][ T10] [ 3710.125213][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3710.125213][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3710.125213][ T10] ipv6_find_idev+0x102/0x170 [ 3710.125213][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3710.125213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.125213][ T10] netlink_rcv_skb+0x130/0x360 [ 3710.125213][ T10] netlink_unicast+0x449/0x710 [ 3710.125213][ T10] netlink_sendmsg+0x723/0xbe0 [ 3710.125213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3710.125213][ T10] ___sys_sendmsg+0xee/0x170 [ 3710.125213][ T10] __sys_sendmsg+0xcd/0x170 [ 3710.125213][ T10] do_syscall_64+0xc6/0x1e0 [ 3710.125213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3710.125213][ T10] [ 3710.126776][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3710.126776][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3710.126776][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3710.126776][ T10] ipv6_find_idev+0x102/0x170 [ 3710.126776][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3710.126776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.126776][ T10] netlink_rcv_skb+0x130/0x360 [ 3710.126776][ T10] netlink_unicast+0x449/0x710 [ 3710.126776][ T10] netlink_sendmsg+0x723/0xbe0 [ 3710.126776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3710.126776][ T10] ___sys_sendmsg+0xee/0x170 [ 3710.126776][ T10] __sys_sendmsg+0xcd/0x170 [ 3710.126776][ T10] do_syscall_64+0xc6/0x1e0 [ 3710.126776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3710.126776][ T10] [ 3710.128490][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3710.128730][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3710.128730][ T10] netdev_get_by_index+0x5e/0x80 [ 3710.128730][ T10] fib6_nh_init+0x3d8/0x1580 [ 3710.128730][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3710.128730][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3710.128730][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3710.128730][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3710.128730][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3710.128730][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3710.128730][ T10] addrconf_dad_begin+0x310/0x670 [ 3710.128730][ T10] addrconf_dad_work+0x10b/0xab0 [ 3710.128730][ T10] process_one_work+0x84d/0x18a0 [ 3710.128730][ T10] worker_thread+0x587/0xd30 [ 3710.128730][ T10] kthread+0x28a/0x350 [ 3710.128730][ T10] ret_from_fork+0x31/0x70 [ 3710.128730][ T10] ret_from_fork_asm+0x1a/0x30 [ 3710.128730][ T10] [ 3710.130680][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3710.130680][ T10] netdev_get_by_index+0x5e/0x80 [ 3710.130680][ T10] fib6_nh_init+0x3d8/0x1580 [ 3710.130680][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3710.130680][ T10] ip6_route_add+0x1c/0x140 [ 3710.130680][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3710.130680][ T10] inet6_addr_add+0x4f8/0xa40 [ 3710.130680][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3710.130680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.130680][ T10] netlink_rcv_skb+0x130/0x360 [ 3710.130680][ T10] netlink_unicast+0x449/0x710 [ 3710.130680][ T10] netlink_sendmsg+0x723/0xbe0 [ 3710.130680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3710.130680][ T10] ___sys_sendmsg+0xee/0x170 [ 3710.130680][ T10] __sys_sendmsg+0xcd/0x170 [ 3710.130680][ T10] do_syscall_64+0xc6/0x1e0 [ 3710.130680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3710.130680][ T10] [ 3710.132893][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3710.132893][ T10] netdev_get_by_index+0x5e/0x80 [ 3710.132893][ T10] fib6_nh_init+0x3d8/0x1580 [ 3710.132893][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3710.132893][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3710.132893][ T10] ipv6_add_addr+0x411/0x2000 [ 3710.132893][ T10] inet6_addr_add+0x30e/0xa40 [ 3710.132893][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3710.132893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.132893][ T10] netlink_rcv_skb+0x130/0x360 [ 3710.132893][ T10] netlink_unicast+0x449/0x710 [ 3710.132893][ T10] netlink_sendmsg+0x723/0xbe0 [ 3710.132893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3710.132893][ T10] ___sys_sendmsg+0xee/0x170 [ 3710.132893][ T10] __sys_sendmsg+0xcd/0x170 [ 3710.132893][ T10] do_syscall_64+0xc6/0x1e0 [ 3710.132893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3710.132893][ T10] [ 3710.135162][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3710.135162][ T10] netdev_get_by_index+0x5e/0x80 [ 3710.135162][ T10] fib6_nh_init+0x3d8/0x1580 [ 3710.135162][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3710.135162][ T10] ip6_route_add+0x1c/0x140 [ 3710.135162][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3710.135162][ T10] addrconf_add_dev+0xe2/0x170 [ 3710.135162][ T10] inet6_addr_add+0x12f/0xa40 [ 3710.135162][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3710.135162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.135162][ T10] netlink_rcv_skb+0x130/0x360 [ 3710.135162][ T10] netlink_unicast+0x449/0x710 [ 3710.135162][ T10] netlink_sendmsg+0x723/0xbe0 [ 3710.135162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3710.135162][ T10] ___sys_sendmsg+0xee/0x170 [ 3710.135162][ T10] __sys_sendmsg+0xcd/0x170 [ 3710.135162][ T10] do_syscall_64+0xc6/0x1e0 [ 3710.135162][ T10] [ 3710.137395][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3710.137395][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3710.137395][ T10] ipv6_find_idev+0x102/0x170 [ 3710.137395][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3710.137395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.137395][ T10] netlink_rcv_skb+0x130/0x360 [ 3710.137395][ T10] netlink_unicast+0x449/0x710 [ 3710.137395][ T10] netlink_sendmsg+0x723/0xbe0 [ 3710.137395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3710.137395][ T10] ___sys_sendmsg+0xee/0x170 [ 3710.137395][ T10] __sys_sendmsg+0xcd/0x170 [ 3710.137395][ T10] do_syscall_64+0xc6/0x1e0 [ 3710.137395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3710.137395][ T10] [ 3710.139156][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3710.139156][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3710.139156][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3710.139156][ T10] ipv6_find_idev+0x102/0x170 [ 3710.139156][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3710.139156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.139156][ T10] netlink_rcv_skb+0x130/0x360 [ 3710.139156][ T10] netlink_unicast+0x449/0x710 [ 3710.139156][ T10] netlink_sendmsg+0x723/0xbe0 [ 3710.139156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3710.139156][ T10] ___sys_sendmsg+0xee/0x170 [ 3710.139156][ T10] __sys_sendmsg+0xcd/0x170 [ 3710.139156][ T10] do_syscall_64+0xc6/0x1e0 [ 3710.139156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3710.139156][ T10] [ 3710.141188][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3710.141476][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3710.141476][ T10] netdev_get_by_index+0x5e/0x80 [ 3710.141476][ T10] fib6_nh_init+0x3d8/0x1580 [ 3710.141476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3710.141476][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3710.141476][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3710.141476][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3710.141476][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3710.141476][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3710.141476][ T10] addrconf_dad_begin+0x310/0x670 [ 3710.141476][ T10] addrconf_dad_work+0x10b/0xab0 [ 3710.141476][ T10] process_one_work+0x84d/0x18a0 [ 3710.141476][ T10] worker_thread+0x587/0xd30 [ 3710.141476][ T10] kthread+0x28a/0x350 [ 3710.141476][ T10] ret_from_fork+0x31/0x70 [ 3710.141476][ T10] ret_from_fork_asm+0x1a/0x30 [ 3710.141476][ T10] [ 3710.143592][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3710.143592][ T10] netdev_get_by_index+0x5e/0x80 [ 3710.143592][ T10] fib6_nh_init+0x3d8/0x1580 [ 3710.143592][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3710.143592][ T10] ip6_route_add+0x1c/0x140 [ 3710.143592][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3710.143592][ T10] inet6_addr_add+0x4f8/0xa40 [ 3710.143592][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3710.143592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.143592][ T10] netlink_rcv_skb+0x130/0x360 [ 3710.143592][ T10] netlink_unicast+0x449/0x710 [ 3710.143592][ T10] netlink_sendmsg+0x723/0xbe0 [ 3710.143592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3710.143592][ T10] ___sys_sendmsg+0xee/0x170 [ 3710.143592][ T10] __sys_sendmsg+0xcd/0x170 [ 3710.143592][ T10] do_syscall_64+0xc6/0x1e0 [ 3710.143592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3710.143592][ T10] [ 3710.145879][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3710.145879][ T10] netdev_get_by_index+0x5e/0x80 [ 3710.145879][ T10] fib6_nh_init+0x3d8/0x1580 [ 3710.145879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3710.145879][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3710.145879][ T10] ipv6_add_addr+0x411/0x2000 [ 3710.145879][ T10] inet6_addr_add+0x30e/0xa40 [ 3710.145879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3710.145879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.145879][ T10] netlink_rcv_skb+0x130/0x360 [ 3710.145879][ T10] netlink_unicast+0x449/0x710 [ 3710.145879][ T10] netlink_sendmsg+0x723/0xbe0 [ 3710.145879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3710.145879][ T10] ___sys_sendmsg+0xee/0x170 [ 3710.145879][ T10] __sys_sendmsg+0xcd/0x170 [ 3710.145879][ T10] do_syscall_64+0xc6/0x1e0 [ 3710.145879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3710.145879][ T10] [ 3710.148094][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3710.148094][ T10] netdev_get_by_index+0x5e/0x80 [ 3710.148094][ T10] fib6_nh_init+0x3d8/0x1580 [ 3710.148094][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3710.148094][ T10] ip6_route_add+0x1c/0x140 [ 3710.148094][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3710.148094][ T10] addrconf_add_dev+0xe2/0x170 [ 3710.148094][ T10] inet6_addr_add+0x12f/0xa40 [ 3710.148094][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3710.148094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.148094][ T10] netlink_rcv_skb+0x130/0x360 [ 3710.148094][ T10] netlink_unicast+0x449/0x710 [ 3710.148094][ T10] netlink_sendmsg+0x723/0xbe0 [ 3710.148094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3710.148094][ T10] ___sys_sendmsg+0xee/0x170 [ 3710.148094][ T10] __sys_sendmsg+0xcd/0x170 [ 3710.148094][ T10] do_syscall_64+0xc6/0x1e0 [ 3710.148094][ T10] [ 3710.150324][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3710.150324][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3710.150324][ T10] ipv6_find_idev+0x102/0x170 [ 3710.150324][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3710.150324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.150324][ T10] netlink_rcv_skb+0x130/0x360 [ 3710.150324][ T10] netlink_unicast+0x449/0x710 [ 3710.150324][ T10] netlink_sendmsg+0x723/0xbe0 [ 3710.150324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3710.150324][ T10] ___sys_sendmsg+0xee/0x170 [ 3710.150324][ T10] __sys_sendmsg+0xcd/0x170 [ 3710.150324][ T10] do_syscall_64+0xc6/0x1e0 [ 3710.150324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3710.150324][ T10] [ 3710.152141][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3710.152141][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3710.152141][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3710.152141][ T10] ipv6_find_idev+0x102/0x170 [ 3710.152141][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3710.152141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.152141][ T10] netlink_rcv_skb+0x130/0x360 [ 3710.152141][ T10] netlink_unicast+0x449/0x710 [ 3710.152141][ T10] netlink_sendmsg+0x723/0xbe0 [ 3710.152141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3710.152141][ T10] ___sys_sendmsg+0xee/0x170 [ 3710.152141][ T10] __sys_sendmsg+0xcd/0x170 [ 3710.152141][ T10] do_syscall_64+0xc6/0x1e0 [ 3710.152141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3710.152141][ T10] [ 3718.809161][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3718.809698][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3718.809698][ T1167] dst_init+0x84/0x4a0 [ 3718.809698][ T1167] dst_alloc+0x97/0x150 [ 3718.809698][ T1167] ip6_dst_alloc+0x23/0x90 [ 3718.809698][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3718.809698][ T1167] ip6_pol_route+0x56f/0x840 [ 3718.809698][ T1167] fib6_rule_lookup+0x334/0x630 [ 3718.809698][ T1167] ip6_route_output_flags+0x259/0x480 [ 3718.809698][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3718.809698][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3718.809698][ T1167] netlink_rcv_skb+0x130/0x360 [ 3718.809698][ T1167] netlink_unicast+0x449/0x710 [ 3718.809698][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3718.809698][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3718.809698][ T1167] ___sys_sendmsg+0xee/0x170 [ 3718.809698][ T1167] __sys_sendmsg+0xcd/0x170 [ 3718.809698][ T1167] do_syscall_64+0xc6/0x1e0 [ 3718.809698][ T1167] [ 3718.811927][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3718.811927][ T1167] netdev_get_by_index+0x5e/0x80 [ 3718.811927][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3718.811927][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3718.811927][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3718.811927][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3718.811927][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3718.811927][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3718.811927][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3718.811927][ T1167] addrconf_dad_begin+0x310/0x670 [ 3718.811927][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3718.811927][ T1167] process_one_work+0x84d/0x18a0 [ 3718.811927][ T1167] worker_thread+0x587/0xd30 [ 3718.811927][ T1167] kthread+0x28a/0x350 [ 3718.811927][ T1167] ret_from_fork+0x31/0x70 [ 3718.811927][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3718.811927][ T1167] [ 3718.814083][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3718.814083][ T1167] netdev_get_by_index+0x5e/0x80 [ 3718.814083][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3718.814083][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3718.814083][ T1167] ip6_route_add+0x1c/0x140 [ 3718.814083][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3718.814083][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3718.814083][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3718.814083][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3718.814083][ T1167] netlink_rcv_skb+0x130/0x360 [ 3718.814083][ T1167] netlink_unicast+0x449/0x710 [ 3718.814083][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3718.814083][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3718.814083][ T1167] ___sys_sendmsg+0xee/0x170 [ 3718.814083][ T1167] __sys_sendmsg+0xcd/0x170 [ 3718.814083][ T1167] do_syscall_64+0xc6/0x1e0 [ 3718.814083][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3718.814083][ T1167] [ 3718.816334][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3718.816334][ T1167] netdev_get_by_index+0x5e/0x80 [ 3718.816334][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3718.816334][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3718.816334][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3718.816334][ T1167] ipv6_add_addr+0x411/0x2000 [ 3718.816334][ T1167] inet6_addr_add+0x30e/0xa40 [ 3718.816334][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3718.816334][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3718.816334][ T1167] netlink_rcv_skb+0x130/0x360 [ 3718.816334][ T1167] netlink_unicast+0x449/0x710 [ 3718.816334][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3718.816334][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3718.816334][ T1167] ___sys_sendmsg+0xee/0x170 [ 3718.816334][ T1167] __sys_sendmsg+0xcd/0x170 [ 3718.816334][ T1167] do_syscall_64+0xc6/0x1e0 [ 3718.816334][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3718.816334][ T1167] [ 3718.818569][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3718.818569][ T1167] netdev_get_by_index+0x5e/0x80 [ 3718.818569][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3718.818569][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3718.818569][ T1167] ip6_route_add+0x1c/0x140 [ 3718.818569][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3718.818569][ T1167] addrconf_add_dev+0xe2/0x170 [ 3718.818569][ T1167] inet6_addr_add+0x12f/0xa40 [ 3718.818569][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3718.818569][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3718.818569][ T1167] netlink_rcv_skb+0x130/0x360 [ 3718.818569][ T1167] netlink_unicast+0x449/0x710 [ 3718.818569][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3718.818569][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3718.818569][ T1167] ___sys_sendmsg+0xee/0x170 [ 3718.818569][ T1167] __sys_sendmsg+0xcd/0x170 [ 3718.818569][ T1167] do_syscall_64+0xc6/0x1e0 [ 3718.818569][ T1167] [ 3718.820773][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3718.820773][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3718.820773][ T1167] ipv6_find_idev+0x102/0x170 [ 3718.820773][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3718.820773][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3718.820773][ T1167] netlink_rcv_skb+0x130/0x360 [ 3718.820773][ T1167] netlink_unicast+0x449/0x710 [ 3718.820773][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3718.820773][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3718.820773][ T1167] ___sys_sendmsg+0xee/0x170 [ 3718.820773][ T1167] __sys_sendmsg+0xcd/0x170 [ 3718.820773][ T1167] do_syscall_64+0xc6/0x1e0 [ 3718.820773][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3718.820773][ T1167] [ 3718.822501][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3718.822501][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3718.822501][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3718.822501][ T1167] ipv6_find_idev+0x102/0x170 [ 3718.822501][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3718.822501][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3718.822501][ T1167] netlink_rcv_skb+0x130/0x360 [ 3718.822501][ T1167] netlink_unicast+0x449/0x710 [ 3718.822501][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3718.822501][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3718.822501][ T1167] ___sys_sendmsg+0xee/0x170 [ 3718.822501][ T1167] __sys_sendmsg+0xcd/0x170 [ 3718.822501][ T1167] do_syscall_64+0xc6/0x1e0 [ 3718.822501][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3718.822501][ T1167] [ 3720.401105][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3720.401447][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3720.401447][ T10] netdev_get_by_index+0x5e/0x80 [ 3720.401447][ T10] fib6_nh_init+0x3d8/0x1580 [ 3720.401447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3720.401447][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3720.401447][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3720.401447][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3720.401447][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3720.401447][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3720.401447][ T10] addrconf_dad_begin+0x310/0x670 [ 3720.401447][ T10] addrconf_dad_work+0x10b/0xab0 [ 3720.401447][ T10] process_one_work+0x84d/0x18a0 [ 3720.401447][ T10] worker_thread+0x587/0xd30 [ 3720.401447][ T10] kthread+0x28a/0x350 [ 3720.401447][ T10] ret_from_fork+0x31/0x70 [ 3720.401447][ T10] ret_from_fork_asm+0x1a/0x30 [ 3720.401447][ T10] [ 3720.403416][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3720.403416][ T10] netdev_get_by_index+0x5e/0x80 [ 3720.403416][ T10] fib6_nh_init+0x3d8/0x1580 [ 3720.403416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3720.403416][ T10] ip6_route_add+0x1c/0x140 [ 3720.403416][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3720.403416][ T10] inet6_addr_add+0x4f8/0xa40 [ 3720.403416][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3720.403416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.403416][ T10] netlink_rcv_skb+0x130/0x360 [ 3720.403416][ T10] netlink_unicast+0x449/0x710 [ 3720.403416][ T10] netlink_sendmsg+0x723/0xbe0 [ 3720.403416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3720.403416][ T10] ___sys_sendmsg+0xee/0x170 [ 3720.403416][ T10] __sys_sendmsg+0xcd/0x170 [ 3720.403416][ T10] do_syscall_64+0xc6/0x1e0 [ 3720.403416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3720.403416][ T10] [ 3720.405434][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3720.405434][ T10] netdev_get_by_index+0x5e/0x80 [ 3720.405434][ T10] fib6_nh_init+0x3d8/0x1580 [ 3720.405434][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3720.405434][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3720.405434][ T10] ipv6_add_addr+0x411/0x2000 [ 3720.405434][ T10] inet6_addr_add+0x30e/0xa40 [ 3720.405434][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3720.405434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.405434][ T10] netlink_rcv_skb+0x130/0x360 [ 3720.405434][ T10] netlink_unicast+0x449/0x710 [ 3720.405434][ T10] netlink_sendmsg+0x723/0xbe0 [ 3720.405434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3720.405434][ T10] ___sys_sendmsg+0xee/0x170 [ 3720.405434][ T10] __sys_sendmsg+0xcd/0x170 [ 3720.405434][ T10] do_syscall_64+0xc6/0x1e0 [ 3720.405434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3720.405434][ T10] [ 3720.407429][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3720.407429][ T10] netdev_get_by_index+0x5e/0x80 [ 3720.407429][ T10] fib6_nh_init+0x3d8/0x1580 [ 3720.407429][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3720.407429][ T10] ip6_route_add+0x1c/0x140 [ 3720.407429][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3720.407429][ T10] addrconf_add_dev+0xe2/0x170 [ 3720.407429][ T10] inet6_addr_add+0x12f/0xa40 [ 3720.407429][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3720.407429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.407429][ T10] netlink_rcv_skb+0x130/0x360 [ 3720.407429][ T10] netlink_unicast+0x449/0x710 [ 3720.407429][ T10] netlink_sendmsg+0x723/0xbe0 [ 3720.407429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3720.407429][ T10] ___sys_sendmsg+0xee/0x170 [ 3720.407429][ T10] __sys_sendmsg+0xcd/0x170 [ 3720.407429][ T10] do_syscall_64+0xc6/0x1e0 [ 3720.407429][ T10] [ 3720.409382][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3720.409382][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3720.409382][ T10] ipv6_find_idev+0x102/0x170 [ 3720.409382][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3720.409382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.409382][ T10] netlink_rcv_skb+0x130/0x360 [ 3720.409382][ T10] netlink_unicast+0x449/0x710 [ 3720.409382][ T10] netlink_sendmsg+0x723/0xbe0 [ 3720.409382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3720.409382][ T10] ___sys_sendmsg+0xee/0x170 [ 3720.409382][ T10] __sys_sendmsg+0xcd/0x170 [ 3720.409382][ T10] do_syscall_64+0xc6/0x1e0 [ 3720.409382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3720.409382][ T10] [ 3720.410938][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3720.410938][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3720.410938][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3720.410938][ T10] ipv6_find_idev+0x102/0x170 [ 3720.410938][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3720.410938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.410938][ T10] netlink_rcv_skb+0x130/0x360 [ 3720.410938][ T10] netlink_unicast+0x449/0x710 [ 3720.410938][ T10] netlink_sendmsg+0x723/0xbe0 [ 3720.410938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3720.410938][ T10] ___sys_sendmsg+0xee/0x170 [ 3720.410938][ T10] __sys_sendmsg+0xcd/0x170 [ 3720.410938][ T10] do_syscall_64+0xc6/0x1e0 [ 3720.410938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3720.410938][ T10] [ 3720.412612][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3720.412859][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3720.412859][ T10] netdev_get_by_index+0x5e/0x80 [ 3720.412859][ T10] fib6_nh_init+0x3d8/0x1580 [ 3720.412859][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3720.412859][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3720.412859][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3720.412859][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3720.412859][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3720.412859][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3720.412859][ T10] addrconf_dad_begin+0x310/0x670 [ 3720.412859][ T10] addrconf_dad_work+0x10b/0xab0 [ 3720.412859][ T10] process_one_work+0x84d/0x18a0 [ 3720.412859][ T10] worker_thread+0x587/0xd30 [ 3720.412859][ T10] kthread+0x28a/0x350 [ 3720.412859][ T10] ret_from_fork+0x31/0x70 [ 3720.412859][ T10] ret_from_fork_asm+0x1a/0x30 [ 3720.412859][ T10] [ 3720.414760][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3720.414760][ T10] netdev_get_by_index+0x5e/0x80 [ 3720.414760][ T10] fib6_nh_init+0x3d8/0x1580 [ 3720.414760][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3720.414760][ T10] ip6_route_add+0x1c/0x140 [ 3720.414760][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3720.414760][ T10] inet6_addr_add+0x4f8/0xa40 [ 3720.414760][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3720.414760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.414760][ T10] netlink_rcv_skb+0x130/0x360 [ 3720.414760][ T10] netlink_unicast+0x449/0x710 [ 3720.414760][ T10] netlink_sendmsg+0x723/0xbe0 [ 3720.414760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3720.414760][ T10] ___sys_sendmsg+0xee/0x170 [ 3720.414760][ T10] __sys_sendmsg+0xcd/0x170 [ 3720.414760][ T10] do_syscall_64+0xc6/0x1e0 [ 3720.414760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3720.414760][ T10] [ 3720.416757][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3720.416757][ T10] netdev_get_by_index+0x5e/0x80 [ 3720.416757][ T10] fib6_nh_init+0x3d8/0x1580 [ 3720.416757][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3720.416757][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3720.416757][ T10] ipv6_add_addr+0x411/0x2000 [ 3720.416757][ T10] inet6_addr_add+0x30e/0xa40 [ 3720.416757][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3720.416757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.416757][ T10] netlink_rcv_skb+0x130/0x360 [ 3720.416757][ T10] netlink_unicast+0x449/0x710 [ 3720.416757][ T10] netlink_sendmsg+0x723/0xbe0 [ 3720.416757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3720.416757][ T10] ___sys_sendmsg+0xee/0x170 [ 3720.416757][ T10] __sys_sendmsg+0xcd/0x170 [ 3720.416757][ T10] do_syscall_64+0xc6/0x1e0 [ 3720.416757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3720.416757][ T10] [ 3720.418757][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3720.418757][ T10] netdev_get_by_index+0x5e/0x80 [ 3720.418757][ T10] fib6_nh_init+0x3d8/0x1580 [ 3720.418757][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3720.418757][ T10] ip6_route_add+0x1c/0x140 [ 3720.418757][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3720.418757][ T10] addrconf_add_dev+0xe2/0x170 [ 3720.418757][ T10] inet6_addr_add+0x12f/0xa40 [ 3720.418757][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3720.418757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.418757][ T10] netlink_rcv_skb+0x130/0x360 [ 3720.418757][ T10] netlink_unicast+0x449/0x710 [ 3720.418757][ T10] netlink_sendmsg+0x723/0xbe0 [ 3720.418757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3720.418757][ T10] ___sys_sendmsg+0xee/0x170 [ 3720.418757][ T10] __sys_sendmsg+0xcd/0x170 [ 3720.418757][ T10] do_syscall_64+0xc6/0x1e0 [ 3720.418757][ T10] [ 3720.420730][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3720.420730][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3720.420730][ T10] ipv6_find_idev+0x102/0x170 [ 3720.420730][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3720.420730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.420730][ T10] netlink_rcv_skb+0x130/0x360 [ 3720.420730][ T10] netlink_unicast+0x449/0x710 [ 3720.420730][ T10] netlink_sendmsg+0x723/0xbe0 [ 3720.420730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3720.420730][ T10] ___sys_sendmsg+0xee/0x170 [ 3720.420730][ T10] __sys_sendmsg+0xcd/0x170 [ 3720.420730][ T10] do_syscall_64+0xc6/0x1e0 [ 3720.420730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3720.420730][ T10] [ 3720.422268][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3720.422268][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3720.422268][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3720.422268][ T10] ipv6_find_idev+0x102/0x170 [ 3720.422268][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3720.422268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.422268][ T10] netlink_rcv_skb+0x130/0x360 [ 3720.422268][ T10] netlink_unicast+0x449/0x710 [ 3720.422268][ T10] netlink_sendmsg+0x723/0xbe0 [ 3720.422268][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3720.422268][ T10] ___sys_sendmsg+0xee/0x170 [ 3720.422268][ T10] __sys_sendmsg+0xcd/0x170 [ 3720.422268][ T10] do_syscall_64+0xc6/0x1e0 [ 3720.422268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3720.422268][ T10] [ 3720.423951][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3720.424195][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3720.424195][ T10] netdev_get_by_index+0x5e/0x80 [ 3720.424195][ T10] fib6_nh_init+0x3d8/0x1580 [ 3720.424195][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3720.424195][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3720.424195][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3720.424195][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3720.424195][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3720.424195][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3720.424195][ T10] addrconf_dad_begin+0x310/0x670 [ 3720.424195][ T10] addrconf_dad_work+0x10b/0xab0 [ 3720.424195][ T10] process_one_work+0x84d/0x18a0 [ 3720.424195][ T10] worker_thread+0x587/0xd30 [ 3720.424195][ T10] kthread+0x28a/0x350 [ 3720.424195][ T10] ret_from_fork+0x31/0x70 [ 3720.424195][ T10] ret_from_fork_asm+0x1a/0x30 [ 3720.424195][ T10] [ 3720.426106][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3720.426106][ T10] netdev_get_by_index+0x5e/0x80 [ 3720.426106][ T10] fib6_nh_init+0x3d8/0x1580 [ 3720.426106][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3720.426106][ T10] ip6_route_add+0x1c/0x140 [ 3720.426106][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3720.426106][ T10] inet6_addr_add+0x4f8/0xa40 [ 3720.426106][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3720.426106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.426106][ T10] netlink_rcv_skb+0x130/0x360 [ 3720.426106][ T10] netlink_unicast+0x449/0x710 [ 3720.426106][ T10] netlink_sendmsg+0x723/0xbe0 [ 3720.426106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3720.426106][ T10] ___sys_sendmsg+0xee/0x170 [ 3720.426106][ T10] __sys_sendmsg+0xcd/0x170 [ 3720.426106][ T10] do_syscall_64+0xc6/0x1e0 [ 3720.426106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3720.426106][ T10] [ 3720.428299][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3720.428299][ T10] netdev_get_by_index+0x5e/0x80 [ 3720.428299][ T10] fib6_nh_init+0x3d8/0x1580 [ 3720.428299][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3720.428299][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3720.428299][ T10] ipv6_add_addr+0x411/0x2000 [ 3720.428299][ T10] inet6_addr_add+0x30e/0xa40 [ 3720.428299][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3720.428299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.428299][ T10] netlink_rcv_skb+0x130/0x360 [ 3720.428299][ T10] netlink_unicast+0x449/0x710 [ 3720.428299][ T10] netlink_sendmsg+0x723/0xbe0 [ 3720.428299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3720.428299][ T10] ___sys_sendmsg+0xee/0x170 [ 3720.428299][ T10] __sys_sendmsg+0xcd/0x170 [ 3720.428299][ T10] do_syscall_64+0xc6/0x1e0 [ 3720.428299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3720.428299][ T10] [ 3720.430488][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3720.430488][ T10] netdev_get_by_index+0x5e/0x80 [ 3720.430488][ T10] fib6_nh_init+0x3d8/0x1580 [ 3720.430488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3720.430488][ T10] ip6_route_add+0x1c/0x140 [ 3720.430488][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3720.430488][ T10] addrconf_add_dev+0xe2/0x170 [ 3720.430488][ T10] inet6_addr_add+0x12f/0xa40 [ 3720.430488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3720.430488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.430488][ T10] netlink_rcv_skb+0x130/0x360 [ 3720.430488][ T10] netlink_unicast+0x449/0x710 [ 3720.430488][ T10] netlink_sendmsg+0x723/0xbe0 [ 3720.430488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3720.430488][ T10] ___sys_sendmsg+0xee/0x170 [ 3720.430488][ T10] __sys_sendmsg+0xcd/0x170 [ 3720.430488][ T10] do_syscall_64+0xc6/0x1e0 [ 3720.430488][ T10] [ 3720.432626][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3720.432626][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3720.432626][ T10] ipv6_find_idev+0x102/0x170 [ 3720.432626][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3720.432626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.432626][ T10] netlink_rcv_skb+0x130/0x360 [ 3720.432626][ T10] netlink_unicast+0x449/0x710 [ 3720.432626][ T10] netlink_sendmsg+0x723/0xbe0 [ 3720.432626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3720.432626][ T10] ___sys_sendmsg+0xee/0x170 [ 3720.432626][ T10] __sys_sendmsg+0xcd/0x170 [ 3720.432626][ T10] do_syscall_64+0xc6/0x1e0 [ 3720.432626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3720.432626][ T10] [ 3720.434357][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3720.434357][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3720.434357][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3720.434357][ T10] ipv6_find_idev+0x102/0x170 [ 3720.434357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3720.434357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.434357][ T10] netlink_rcv_skb+0x130/0x360 [ 3720.434357][ T10] netlink_unicast+0x449/0x710 [ 3720.434357][ T10] netlink_sendmsg+0x723/0xbe0 [ 3720.434357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3720.434357][ T10] ___sys_sendmsg+0xee/0x170 [ 3720.434357][ T10] __sys_sendmsg+0xcd/0x170 [ 3720.434357][ T10] do_syscall_64+0xc6/0x1e0 [ 3720.434357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3720.434357][ T10] [ 3720.436170][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3720.436410][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3720.436410][ T10] netdev_get_by_index+0x5e/0x80 [ 3720.436410][ T10] fib6_nh_init+0x3d8/0x1580 [ 3720.436410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3720.436410][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3720.436410][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3720.436410][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3720.436410][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3720.436410][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3720.436410][ T10] addrconf_dad_begin+0x310/0x670 [ 3720.436410][ T10] addrconf_dad_work+0x10b/0xab0 [ 3720.436410][ T10] process_one_work+0x84d/0x18a0 [ 3720.436410][ T10] worker_thread+0x587/0xd30 [ 3720.436410][ T10] kthread+0x28a/0x350 [ 3720.436410][ T10] ret_from_fork+0x31/0x70 [ 3720.436410][ T10] ret_from_fork_asm+0x1a/0x30 [ 3720.436410][ T10] [ 3720.438564][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3720.438564][ T10] netdev_get_by_index+0x5e/0x80 [ 3720.438564][ T10] fib6_nh_init+0x3d8/0x1580 [ 3720.438564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3720.438564][ T10] ip6_route_add+0x1c/0x140 [ 3720.438564][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3720.438564][ T10] inet6_addr_add+0x4f8/0xa40 [ 3720.438564][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3720.438564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.438564][ T10] netlink_rcv_skb+0x130/0x360 [ 3720.438564][ T10] netlink_unicast+0x449/0x710 [ 3720.438564][ T10] netlink_sendmsg+0x723/0xbe0 [ 3720.438564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3720.438564][ T10] ___sys_sendmsg+0xee/0x170 [ 3720.438564][ T10] __sys_sendmsg+0xcd/0x170 [ 3720.438564][ T10] do_syscall_64+0xc6/0x1e0 [ 3720.438564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3720.438564][ T10] [ 3720.440740][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3720.440740][ T10] netdev_get_by_index+0x5e/0x80 [ 3720.440740][ T10] fib6_nh_init+0x3d8/0x1580 [ 3720.440740][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3720.440740][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3720.440740][ T10] ipv6_add_addr+0x411/0x2000 [ 3720.440740][ T10] inet6_addr_add+0x30e/0xa40 [ 3720.440740][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3720.440740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.440740][ T10] netlink_rcv_skb+0x130/0x360 [ 3720.440740][ T10] netlink_unicast+0x449/0x710 [ 3720.440740][ T10] netlink_sendmsg+0x723/0xbe0 [ 3720.440740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3720.440740][ T10] ___sys_sendmsg+0xee/0x170 [ 3720.440740][ T10] __sys_sendmsg+0xcd/0x170 [ 3720.440740][ T10] do_syscall_64+0xc6/0x1e0 [ 3720.440740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3720.440740][ T10] [ 3720.442992][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3720.442992][ T10] netdev_get_by_index+0x5e/0x80 [ 3720.442992][ T10] fib6_nh_init+0x3d8/0x1580 [ 3720.442992][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3720.442992][ T10] ip6_route_add+0x1c/0x140 [ 3720.442992][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3720.442992][ T10] addrconf_add_dev+0xe2/0x170 [ 3720.442992][ T10] inet6_addr_add+0x12f/0xa40 [ 3720.442992][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3720.442992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.442992][ T10] netlink_rcv_skb+0x130/0x360 [ 3720.442992][ T10] netlink_unicast+0x449/0x710 [ 3720.442992][ T10] netlink_sendmsg+0x723/0xbe0 [ 3720.442992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3720.442992][ T10] ___sys_sendmsg+0xee/0x170 [ 3720.442992][ T10] __sys_sendmsg+0xcd/0x170 [ 3720.442992][ T10] do_syscall_64+0xc6/0x1e0 [ 3720.442992][ T10] [ 3720.445261][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3720.445261][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3720.445261][ T10] ipv6_find_idev+0x102/0x170 [ 3720.445261][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3720.445261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.445261][ T10] netlink_rcv_skb+0x130/0x360 [ 3720.445261][ T10] netlink_unicast+0x449/0x710 [ 3720.445261][ T10] netlink_sendmsg+0x723/0xbe0 [ 3720.445261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3720.445261][ T10] ___sys_sendmsg+0xee/0x170 [ 3720.445261][ T10] __sys_sendmsg+0xcd/0x170 [ 3720.445261][ T10] do_syscall_64+0xc6/0x1e0 [ 3720.445261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3720.445261][ T10] [ 3720.446997][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3720.446997][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3720.446997][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3720.446997][ T10] ipv6_find_idev+0x102/0x170 [ 3720.446997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3720.446997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.446997][ T10] netlink_rcv_skb+0x130/0x360 [ 3720.446997][ T10] netlink_unicast+0x449/0x710 [ 3720.446997][ T10] netlink_sendmsg+0x723/0xbe0 [ 3720.446997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3720.446997][ T10] ___sys_sendmsg+0xee/0x170 [ 3720.446997][ T10] __sys_sendmsg+0xcd/0x170 [ 3720.446997][ T10] do_syscall_64+0xc6/0x1e0 [ 3720.446997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3720.446997][ T10] [ 3728.865142][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3728.865558][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3728.865558][ T1167] dst_init+0x84/0x4a0 [ 3728.865558][ T1167] dst_alloc+0x97/0x150 [ 3728.865558][ T1167] ip6_dst_alloc+0x23/0x90 [ 3728.865558][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3728.865558][ T1167] ip6_pol_route+0x56f/0x840 [ 3728.865558][ T1167] fib6_rule_lookup+0x334/0x630 [ 3728.865558][ T1167] ip6_route_output_flags+0x259/0x480 [ 3728.865558][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3728.865558][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3728.865558][ T1167] netlink_rcv_skb+0x130/0x360 [ 3728.865558][ T1167] netlink_unicast+0x449/0x710 [ 3728.865558][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3728.865558][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3728.865558][ T1167] ___sys_sendmsg+0xee/0x170 [ 3728.865558][ T1167] __sys_sendmsg+0xcd/0x170 [ 3728.865558][ T1167] do_syscall_64+0xc6/0x1e0 [ 3728.865558][ T1167] [ 3728.867795][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3728.867795][ T1167] netdev_get_by_index+0x5e/0x80 [ 3728.867795][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3728.867795][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3728.867795][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3728.867795][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3728.867795][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3728.867795][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3728.867795][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3728.867795][ T1167] addrconf_dad_begin+0x310/0x670 [ 3728.867795][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3728.867795][ T1167] process_one_work+0x84d/0x18a0 [ 3728.867795][ T1167] worker_thread+0x587/0xd30 [ 3728.867795][ T1167] kthread+0x28a/0x350 [ 3728.867795][ T1167] ret_from_fork+0x31/0x70 [ 3728.867795][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3728.867795][ T1167] [ 3728.869966][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3728.869966][ T1167] netdev_get_by_index+0x5e/0x80 [ 3728.869966][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3728.869966][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3728.869966][ T1167] ip6_route_add+0x1c/0x140 [ 3728.869966][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3728.869966][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3728.869966][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3728.869966][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3728.869966][ T1167] netlink_rcv_skb+0x130/0x360 [ 3728.869966][ T1167] netlink_unicast+0x449/0x710 [ 3728.869966][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3728.869966][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3728.869966][ T1167] ___sys_sendmsg+0xee/0x170 [ 3728.869966][ T1167] __sys_sendmsg+0xcd/0x170 [ 3728.869966][ T1167] do_syscall_64+0xc6/0x1e0 [ 3728.869966][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3728.869966][ T1167] [ 3728.872266][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3728.872266][ T1167] netdev_get_by_index+0x5e/0x80 [ 3728.872266][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3728.872266][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3728.872266][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3728.872266][ T1167] ipv6_add_addr+0x411/0x2000 [ 3728.872266][ T1167] inet6_addr_add+0x30e/0xa40 [ 3728.872266][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3728.872266][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3728.872266][ T1167] netlink_rcv_skb+0x130/0x360 [ 3728.872266][ T1167] netlink_unicast+0x449/0x710 [ 3728.872266][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3728.872266][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3728.872266][ T1167] ___sys_sendmsg+0xee/0x170 [ 3728.872266][ T1167] __sys_sendmsg+0xcd/0x170 [ 3728.872266][ T1167] do_syscall_64+0xc6/0x1e0 [ 3728.872266][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3728.872266][ T1167] [ 3728.874590][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3728.874590][ T1167] netdev_get_by_index+0x5e/0x80 [ 3728.874590][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3728.874590][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3728.874590][ T1167] ip6_route_add+0x1c/0x140 [ 3728.874590][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3728.874590][ T1167] addrconf_add_dev+0xe2/0x170 [ 3728.874590][ T1167] inet6_addr_add+0x12f/0xa40 [ 3728.874590][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3728.874590][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3728.874590][ T1167] netlink_rcv_skb+0x130/0x360 [ 3728.874590][ T1167] netlink_unicast+0x449/0x710 [ 3728.874590][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3728.874590][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3728.874590][ T1167] ___sys_sendmsg+0xee/0x170 [ 3728.874590][ T1167] __sys_sendmsg+0xcd/0x170 [ 3728.874590][ T1167] do_syscall_64+0xc6/0x1e0 [ 3728.874590][ T1167] [ 3728.876845][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3728.876845][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3728.876845][ T1167] ipv6_find_idev+0x102/0x170 [ 3728.876845][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3728.876845][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3728.876845][ T1167] netlink_rcv_skb+0x130/0x360 [ 3728.876845][ T1167] netlink_unicast+0x449/0x710 [ 3728.876845][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3728.876845][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3728.876845][ T1167] ___sys_sendmsg+0xee/0x170 [ 3728.876845][ T1167] __sys_sendmsg+0xcd/0x170 [ 3728.876845][ T1167] do_syscall_64+0xc6/0x1e0 [ 3728.876845][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3728.876845][ T1167] [ 3728.878623][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3728.878623][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3728.878623][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3728.878623][ T1167] ipv6_find_idev+0x102/0x170 [ 3728.878623][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3728.878623][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3728.878623][ T1167] netlink_rcv_skb+0x130/0x360 [ 3728.878623][ T1167] netlink_unicast+0x449/0x710 [ 3728.878623][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3728.878623][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3728.878623][ T1167] ___sys_sendmsg+0xee/0x170 [ 3728.878623][ T1167] __sys_sendmsg+0xcd/0x170 [ 3728.878623][ T1167] do_syscall_64+0xc6/0x1e0 [ 3728.878623][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3728.878623][ T1167] [ 3730.449107][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3730.449451][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3730.449451][ T10] netdev_get_by_index+0x5e/0x80 [ 3730.449451][ T10] fib6_nh_init+0x3d8/0x1580 [ 3730.449451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3730.449451][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3730.449451][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3730.449451][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3730.449451][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3730.449451][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3730.449451][ T10] addrconf_dad_begin+0x310/0x670 [ 3730.449451][ T10] addrconf_dad_work+0x10b/0xab0 [ 3730.449451][ T10] process_one_work+0x84d/0x18a0 [ 3730.449451][ T10] worker_thread+0x587/0xd30 [ 3730.449451][ T10] kthread+0x28a/0x350 [ 3730.449451][ T10] ret_from_fork+0x31/0x70 [ 3730.449451][ T10] ret_from_fork_asm+0x1a/0x30 [ 3730.449451][ T10] [ 3730.451433][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3730.451433][ T10] netdev_get_by_index+0x5e/0x80 [ 3730.451433][ T10] fib6_nh_init+0x3d8/0x1580 [ 3730.451433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3730.451433][ T10] ip6_route_add+0x1c/0x140 [ 3730.451433][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3730.451433][ T10] inet6_addr_add+0x4f8/0xa40 [ 3730.451433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3730.451433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.451433][ T10] netlink_rcv_skb+0x130/0x360 [ 3730.451433][ T10] netlink_unicast+0x449/0x710 [ 3730.451433][ T10] netlink_sendmsg+0x723/0xbe0 [ 3730.451433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3730.451433][ T10] ___sys_sendmsg+0xee/0x170 [ 3730.451433][ T10] __sys_sendmsg+0xcd/0x170 [ 3730.451433][ T10] do_syscall_64+0xc6/0x1e0 [ 3730.451433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3730.451433][ T10] [ 3730.453459][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3730.453459][ T10] netdev_get_by_index+0x5e/0x80 [ 3730.453459][ T10] fib6_nh_init+0x3d8/0x1580 [ 3730.453459][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3730.453459][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3730.453459][ T10] ipv6_add_addr+0x411/0x2000 [ 3730.453459][ T10] inet6_addr_add+0x30e/0xa40 [ 3730.453459][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3730.453459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.453459][ T10] netlink_rcv_skb+0x130/0x360 [ 3730.453459][ T10] netlink_unicast+0x449/0x710 [ 3730.453459][ T10] netlink_sendmsg+0x723/0xbe0 [ 3730.453459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3730.453459][ T10] ___sys_sendmsg+0xee/0x170 [ 3730.453459][ T10] __sys_sendmsg+0xcd/0x170 [ 3730.453459][ T10] do_syscall_64+0xc6/0x1e0 [ 3730.453459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3730.453459][ T10] [ 3730.455474][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3730.455474][ T10] netdev_get_by_index+0x5e/0x80 [ 3730.455474][ T10] fib6_nh_init+0x3d8/0x1580 [ 3730.455474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3730.455474][ T10] ip6_route_add+0x1c/0x140 [ 3730.455474][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3730.455474][ T10] addrconf_add_dev+0xe2/0x170 [ 3730.455474][ T10] inet6_addr_add+0x12f/0xa40 [ 3730.455474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3730.455474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.455474][ T10] netlink_rcv_skb+0x130/0x360 [ 3730.455474][ T10] netlink_unicast+0x449/0x710 [ 3730.455474][ T10] netlink_sendmsg+0x723/0xbe0 [ 3730.455474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3730.455474][ T10] ___sys_sendmsg+0xee/0x170 [ 3730.455474][ T10] __sys_sendmsg+0xcd/0x170 [ 3730.455474][ T10] do_syscall_64+0xc6/0x1e0 [ 3730.455474][ T10] [ 3730.457443][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3730.457443][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3730.457443][ T10] ipv6_find_idev+0x102/0x170 [ 3730.457443][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3730.457443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.457443][ T10] netlink_rcv_skb+0x130/0x360 [ 3730.457443][ T10] netlink_unicast+0x449/0x710 [ 3730.457443][ T10] netlink_sendmsg+0x723/0xbe0 [ 3730.457443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3730.457443][ T10] ___sys_sendmsg+0xee/0x170 [ 3730.457443][ T10] __sys_sendmsg+0xcd/0x170 [ 3730.457443][ T10] do_syscall_64+0xc6/0x1e0 [ 3730.457443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3730.457443][ T10] [ 3730.458999][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3730.458999][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3730.458999][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3730.458999][ T10] ipv6_find_idev+0x102/0x170 [ 3730.458999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3730.458999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.458999][ T10] netlink_rcv_skb+0x130/0x360 [ 3730.458999][ T10] netlink_unicast+0x449/0x710 [ 3730.458999][ T10] netlink_sendmsg+0x723/0xbe0 [ 3730.458999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3730.458999][ T10] ___sys_sendmsg+0xee/0x170 [ 3730.458999][ T10] __sys_sendmsg+0xcd/0x170 [ 3730.458999][ T10] do_syscall_64+0xc6/0x1e0 [ 3730.458999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3730.458999][ T10] [ 3730.460721][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3730.460971][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3730.460971][ T10] netdev_get_by_index+0x5e/0x80 [ 3730.460971][ T10] fib6_nh_init+0x3d8/0x1580 [ 3730.460971][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3730.460971][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3730.460971][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3730.460971][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3730.460971][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3730.460971][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3730.460971][ T10] addrconf_dad_begin+0x310/0x670 [ 3730.460971][ T10] addrconf_dad_work+0x10b/0xab0 [ 3730.460971][ T10] process_one_work+0x84d/0x18a0 [ 3730.460971][ T10] worker_thread+0x587/0xd30 [ 3730.460971][ T10] kthread+0x28a/0x350 [ 3730.460971][ T10] ret_from_fork+0x31/0x70 [ 3730.460971][ T10] ret_from_fork_asm+0x1a/0x30 [ 3730.460971][ T10] [ 3730.462893][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3730.462893][ T10] netdev_get_by_index+0x5e/0x80 [ 3730.462893][ T10] fib6_nh_init+0x3d8/0x1580 [ 3730.462893][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3730.462893][ T10] ip6_route_add+0x1c/0x140 [ 3730.462893][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3730.462893][ T10] inet6_addr_add+0x4f8/0xa40 [ 3730.462893][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3730.462893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.462893][ T10] netlink_rcv_skb+0x130/0x360 [ 3730.462893][ T10] netlink_unicast+0x449/0x710 [ 3730.462893][ T10] netlink_sendmsg+0x723/0xbe0 [ 3730.462893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3730.462893][ T10] ___sys_sendmsg+0xee/0x170 [ 3730.462893][ T10] __sys_sendmsg+0xcd/0x170 [ 3730.462893][ T10] do_syscall_64+0xc6/0x1e0 [ 3730.462893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3730.462893][ T10] [ 3730.464922][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3730.464922][ T10] netdev_get_by_index+0x5e/0x80 [ 3730.464922][ T10] fib6_nh_init+0x3d8/0x1580 [ 3730.464922][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3730.464922][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3730.464922][ T10] ipv6_add_addr+0x411/0x2000 [ 3730.464922][ T10] inet6_addr_add+0x30e/0xa40 [ 3730.464922][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3730.464922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.464922][ T10] netlink_rcv_skb+0x130/0x360 [ 3730.464922][ T10] netlink_unicast+0x449/0x710 [ 3730.464922][ T10] netlink_sendmsg+0x723/0xbe0 [ 3730.464922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3730.464922][ T10] ___sys_sendmsg+0xee/0x170 [ 3730.464922][ T10] __sys_sendmsg+0xcd/0x170 [ 3730.464922][ T10] do_syscall_64+0xc6/0x1e0 [ 3730.464922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3730.464922][ T10] [ 3730.466944][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3730.466944][ T10] netdev_get_by_index+0x5e/0x80 [ 3730.466944][ T10] fib6_nh_init+0x3d8/0x1580 [ 3730.466944][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3730.466944][ T10] ip6_route_add+0x1c/0x140 [ 3730.466944][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3730.466944][ T10] addrconf_add_dev+0xe2/0x170 [ 3730.466944][ T10] inet6_addr_add+0x12f/0xa40 [ 3730.466944][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3730.466944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.466944][ T10] netlink_rcv_skb+0x130/0x360 [ 3730.466944][ T10] netlink_unicast+0x449/0x710 [ 3730.466944][ T10] netlink_sendmsg+0x723/0xbe0 [ 3730.466944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3730.466944][ T10] ___sys_sendmsg+0xee/0x170 [ 3730.466944][ T10] __sys_sendmsg+0xcd/0x170 [ 3730.466944][ T10] do_syscall_64+0xc6/0x1e0 [ 3730.466944][ T10] [ 3730.468925][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3730.468925][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3730.468925][ T10] ipv6_find_idev+0x102/0x170 [ 3730.468925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3730.468925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.468925][ T10] netlink_rcv_skb+0x130/0x360 [ 3730.468925][ T10] netlink_unicast+0x449/0x710 [ 3730.468925][ T10] netlink_sendmsg+0x723/0xbe0 [ 3730.468925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3730.468925][ T10] ___sys_sendmsg+0xee/0x170 [ 3730.468925][ T10] __sys_sendmsg+0xcd/0x170 [ 3730.468925][ T10] do_syscall_64+0xc6/0x1e0 [ 3730.468925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3730.468925][ T10] [ 3730.471008][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3730.471008][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3730.471008][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3730.471008][ T10] ipv6_find_idev+0x102/0x170 [ 3730.471008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3730.471008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.471008][ T10] netlink_rcv_skb+0x130/0x360 [ 3730.471008][ T10] netlink_unicast+0x449/0x710 [ 3730.471008][ T10] netlink_sendmsg+0x723/0xbe0 [ 3730.471008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3730.471008][ T10] ___sys_sendmsg+0xee/0x170 [ 3730.471008][ T10] __sys_sendmsg+0xcd/0x170 [ 3730.471008][ T10] do_syscall_64+0xc6/0x1e0 [ 3730.471008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3730.471008][ T10] [ 3730.472702][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3730.472947][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3730.472947][ T10] netdev_get_by_index+0x5e/0x80 [ 3730.472947][ T10] fib6_nh_init+0x3d8/0x1580 [ 3730.472947][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3730.472947][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3730.472947][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3730.472947][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3730.472947][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3730.472947][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3730.472947][ T10] addrconf_dad_begin+0x310/0x670 [ 3730.472947][ T10] addrconf_dad_work+0x10b/0xab0 [ 3730.472947][ T10] process_one_work+0x84d/0x18a0 [ 3730.472947][ T10] worker_thread+0x587/0xd30 [ 3730.472947][ T10] kthread+0x28a/0x350 [ 3730.472947][ T10] ret_from_fork+0x31/0x70 [ 3730.472947][ T10] ret_from_fork_asm+0x1a/0x30 [ 3730.472947][ T10] [ 3730.474868][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3730.474868][ T10] netdev_get_by_index+0x5e/0x80 [ 3730.474868][ T10] fib6_nh_init+0x3d8/0x1580 [ 3730.474868][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3730.474868][ T10] ip6_route_add+0x1c/0x140 [ 3730.474868][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3730.474868][ T10] inet6_addr_add+0x4f8/0xa40 [ 3730.474868][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3730.474868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.474868][ T10] netlink_rcv_skb+0x130/0x360 [ 3730.474868][ T10] netlink_unicast+0x449/0x710 [ 3730.474868][ T10] netlink_sendmsg+0x723/0xbe0 [ 3730.474868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3730.474868][ T10] ___sys_sendmsg+0xee/0x170 [ 3730.474868][ T10] __sys_sendmsg+0xcd/0x170 [ 3730.474868][ T10] do_syscall_64+0xc6/0x1e0 [ 3730.474868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3730.474868][ T10] [ 3730.477067][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3730.477067][ T10] netdev_get_by_index+0x5e/0x80 [ 3730.477067][ T10] fib6_nh_init+0x3d8/0x1580 [ 3730.477067][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3730.477067][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3730.477067][ T10] ipv6_add_addr+0x411/0x2000 [ 3730.477067][ T10] inet6_addr_add+0x30e/0xa40 [ 3730.477067][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3730.477067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.477067][ T10] netlink_rcv_skb+0x130/0x360 [ 3730.477067][ T10] netlink_unicast+0x449/0x710 [ 3730.477067][ T10] netlink_sendmsg+0x723/0xbe0 [ 3730.477067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3730.477067][ T10] ___sys_sendmsg+0xee/0x170 [ 3730.477067][ T10] __sys_sendmsg+0xcd/0x170 [ 3730.477067][ T10] do_syscall_64+0xc6/0x1e0 [ 3730.477067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3730.477067][ T10] [ 3730.479388][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3730.479388][ T10] netdev_get_by_index+0x5e/0x80 [ 3730.479388][ T10] fib6_nh_init+0x3d8/0x1580 [ 3730.479388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3730.479388][ T10] ip6_route_add+0x1c/0x140 [ 3730.479388][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3730.479388][ T10] addrconf_add_dev+0xe2/0x170 [ 3730.479388][ T10] inet6_addr_add+0x12f/0xa40 [ 3730.479388][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3730.479388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.479388][ T10] netlink_rcv_skb+0x130/0x360 [ 3730.479388][ T10] netlink_unicast+0x449/0x710 [ 3730.479388][ T10] netlink_sendmsg+0x723/0xbe0 [ 3730.479388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3730.479388][ T10] ___sys_sendmsg+0xee/0x170 [ 3730.479388][ T10] __sys_sendmsg+0xcd/0x170 [ 3730.479388][ T10] do_syscall_64+0xc6/0x1e0 [ 3730.479388][ T10] [ 3730.481569][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3730.481569][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3730.481569][ T10] ipv6_find_idev+0x102/0x170 [ 3730.481569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3730.481569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.481569][ T10] netlink_rcv_skb+0x130/0x360 [ 3730.481569][ T10] netlink_unicast+0x449/0x710 [ 3730.481569][ T10] netlink_sendmsg+0x723/0xbe0 [ 3730.481569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3730.481569][ T10] ___sys_sendmsg+0xee/0x170 [ 3730.481569][ T10] __sys_sendmsg+0xcd/0x170 [ 3730.481569][ T10] do_syscall_64+0xc6/0x1e0 [ 3730.481569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3730.481569][ T10] [ 3730.483308][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3730.483308][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3730.483308][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3730.483308][ T10] ipv6_find_idev+0x102/0x170 [ 3730.483308][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3730.483308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.483308][ T10] netlink_rcv_skb+0x130/0x360 [ 3730.483308][ T10] netlink_unicast+0x449/0x710 [ 3730.483308][ T10] netlink_sendmsg+0x723/0xbe0 [ 3730.483308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3730.483308][ T10] ___sys_sendmsg+0xee/0x170 [ 3730.483308][ T10] __sys_sendmsg+0xcd/0x170 [ 3730.483308][ T10] do_syscall_64+0xc6/0x1e0 [ 3730.483308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3730.483308][ T10] [ 3730.485180][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3730.485420][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3730.485420][ T10] netdev_get_by_index+0x5e/0x80 [ 3730.485420][ T10] fib6_nh_init+0x3d8/0x1580 [ 3730.485420][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3730.485420][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3730.485420][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3730.485420][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3730.485420][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3730.485420][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3730.485420][ T10] addrconf_dad_begin+0x310/0x670 [ 3730.485420][ T10] addrconf_dad_work+0x10b/0xab0 [ 3730.485420][ T10] process_one_work+0x84d/0x18a0 [ 3730.485420][ T10] worker_thread+0x587/0xd30 [ 3730.485420][ T10] kthread+0x28a/0x350 [ 3730.485420][ T10] ret_from_fork+0x31/0x70 [ 3730.485420][ T10] ret_from_fork_asm+0x1a/0x30 [ 3730.485420][ T10] [ 3730.487652][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3730.487652][ T10] netdev_get_by_index+0x5e/0x80 [ 3730.487652][ T10] fib6_nh_init+0x3d8/0x1580 [ 3730.487652][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3730.487652][ T10] ip6_route_add+0x1c/0x140 [ 3730.487652][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3730.487652][ T10] inet6_addr_add+0x4f8/0xa40 [ 3730.487652][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3730.487652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.487652][ T10] netlink_rcv_skb+0x130/0x360 [ 3730.487652][ T10] netlink_unicast+0x449/0x710 [ 3730.487652][ T10] netlink_sendmsg+0x723/0xbe0 [ 3730.487652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3730.487652][ T10] ___sys_sendmsg+0xee/0x170 [ 3730.487652][ T10] __sys_sendmsg+0xcd/0x170 [ 3730.487652][ T10] do_syscall_64+0xc6/0x1e0 [ 3730.487652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3730.487652][ T10] [ 3730.489836][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3730.489836][ T10] netdev_get_by_index+0x5e/0x80 [ 3730.489836][ T10] fib6_nh_init+0x3d8/0x1580 [ 3730.489836][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3730.489836][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3730.489836][ T10] ipv6_add_addr+0x411/0x2000 [ 3730.489836][ T10] inet6_addr_add+0x30e/0xa40 [ 3730.489836][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3730.489836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.489836][ T10] netlink_rcv_skb+0x130/0x360 [ 3730.489836][ T10] netlink_unicast+0x449/0x710 [ 3730.489836][ T10] netlink_sendmsg+0x723/0xbe0 [ 3730.489836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3730.489836][ T10] ___sys_sendmsg+0xee/0x170 [ 3730.489836][ T10] __sys_sendmsg+0xcd/0x170 [ 3730.489836][ T10] do_syscall_64+0xc6/0x1e0 [ 3730.489836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3730.489836][ T10] [ 3730.492101][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3730.492101][ T10] netdev_get_by_index+0x5e/0x80 [ 3730.492101][ T10] fib6_nh_init+0x3d8/0x1580 [ 3730.492101][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3730.492101][ T10] ip6_route_add+0x1c/0x140 [ 3730.492101][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3730.492101][ T10] addrconf_add_dev+0xe2/0x170 [ 3730.492101][ T10] inet6_addr_add+0x12f/0xa40 [ 3730.492101][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3730.492101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.492101][ T10] netlink_rcv_skb+0x130/0x360 [ 3730.492101][ T10] netlink_unicast+0x449/0x710 [ 3730.492101][ T10] netlink_sendmsg+0x723/0xbe0 [ 3730.492101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3730.492101][ T10] ___sys_sendmsg+0xee/0x170 [ 3730.492101][ T10] __sys_sendmsg+0xcd/0x170 [ 3730.492101][ T10] do_syscall_64+0xc6/0x1e0 [ 3730.492101][ T10] [ 3730.494685][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3730.494685][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3730.494685][ T10] ipv6_find_idev+0x102/0x170 [ 3730.494685][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3730.494685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.494685][ T10] netlink_rcv_skb+0x130/0x360 [ 3730.494685][ T10] netlink_unicast+0x449/0x710 [ 3730.494685][ T10] netlink_sendmsg+0x723/0xbe0 [ 3730.494685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3730.494685][ T10] ___sys_sendmsg+0xee/0x170 [ 3730.494685][ T10] __sys_sendmsg+0xcd/0x170 [ 3730.494685][ T10] do_syscall_64+0xc6/0x1e0 [ 3730.494685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3730.494685][ T10] [ 3730.496402][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3730.496402][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3730.496402][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3730.496402][ T10] ipv6_find_idev+0x102/0x170 [ 3730.496402][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3730.496402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.496402][ T10] netlink_rcv_skb+0x130/0x360 [ 3730.496402][ T10] netlink_unicast+0x449/0x710 [ 3730.496402][ T10] netlink_sendmsg+0x723/0xbe0 [ 3730.496402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3730.496402][ T10] ___sys_sendmsg+0xee/0x170 [ 3730.496402][ T10] __sys_sendmsg+0xcd/0x170 [ 3730.496402][ T10] do_syscall_64+0xc6/0x1e0 [ 3730.496402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3730.496402][ T10] [ 3739.129053][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3739.129488][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3739.129488][ T1167] dst_init+0x84/0x4a0 [ 3739.129488][ T1167] dst_alloc+0x97/0x150 [ 3739.129488][ T1167] ip6_dst_alloc+0x23/0x90 [ 3739.129488][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3739.129488][ T1167] ip6_pol_route+0x56f/0x840 [ 3739.129488][ T1167] fib6_rule_lookup+0x334/0x630 [ 3739.129488][ T1167] ip6_route_output_flags+0x259/0x480 [ 3739.129488][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3739.129488][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3739.129488][ T1167] netlink_rcv_skb+0x130/0x360 [ 3739.129488][ T1167] netlink_unicast+0x449/0x710 [ 3739.129488][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3739.129488][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3739.129488][ T1167] ___sys_sendmsg+0xee/0x170 [ 3739.129488][ T1167] __sys_sendmsg+0xcd/0x170 [ 3739.129488][ T1167] do_syscall_64+0xc6/0x1e0 [ 3739.129488][ T1167] [ 3739.131707][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3739.131707][ T1167] netdev_get_by_index+0x5e/0x80 [ 3739.131707][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3739.131707][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3739.131707][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3739.131707][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3739.131707][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3739.131707][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3739.131707][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3739.131707][ T1167] addrconf_dad_begin+0x310/0x670 [ 3739.131707][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3739.131707][ T1167] process_one_work+0x84d/0x18a0 [ 3739.131707][ T1167] worker_thread+0x587/0xd30 [ 3739.131707][ T1167] kthread+0x28a/0x350 [ 3739.131707][ T1167] ret_from_fork+0x31/0x70 [ 3739.131707][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3739.131707][ T1167] [ 3739.133859][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3739.133859][ T1167] netdev_get_by_index+0x5e/0x80 [ 3739.133859][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3739.133859][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3739.133859][ T1167] ip6_route_add+0x1c/0x140 [ 3739.133859][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3739.133859][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3739.133859][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3739.133859][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3739.133859][ T1167] netlink_rcv_skb+0x130/0x360 [ 3739.133859][ T1167] netlink_unicast+0x449/0x710 [ 3739.133859][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3739.133859][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3739.133859][ T1167] ___sys_sendmsg+0xee/0x170 [ 3739.133859][ T1167] __sys_sendmsg+0xcd/0x170 [ 3739.133859][ T1167] do_syscall_64+0xc6/0x1e0 [ 3739.133859][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3739.133859][ T1167] [ 3739.136106][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3739.136106][ T1167] netdev_get_by_index+0x5e/0x80 [ 3739.136106][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3739.136106][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3739.136106][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3739.136106][ T1167] ipv6_add_addr+0x411/0x2000 [ 3739.136106][ T1167] inet6_addr_add+0x30e/0xa40 [ 3739.136106][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3739.136106][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3739.136106][ T1167] netlink_rcv_skb+0x130/0x360 [ 3739.136106][ T1167] netlink_unicast+0x449/0x710 [ 3739.136106][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3739.136106][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3739.136106][ T1167] ___sys_sendmsg+0xee/0x170 [ 3739.136106][ T1167] __sys_sendmsg+0xcd/0x170 [ 3739.136106][ T1167] do_syscall_64+0xc6/0x1e0 [ 3739.136106][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3739.136106][ T1167] [ 3739.138360][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3739.138360][ T1167] netdev_get_by_index+0x5e/0x80 [ 3739.138360][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3739.138360][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3739.138360][ T1167] ip6_route_add+0x1c/0x140 [ 3739.138360][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3739.138360][ T1167] addrconf_add_dev+0xe2/0x170 [ 3739.138360][ T1167] inet6_addr_add+0x12f/0xa40 [ 3739.138360][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3739.138360][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3739.138360][ T1167] netlink_rcv_skb+0x130/0x360 [ 3739.138360][ T1167] netlink_unicast+0x449/0x710 [ 3739.138360][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3739.138360][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3739.138360][ T1167] ___sys_sendmsg+0xee/0x170 [ 3739.138360][ T1167] __sys_sendmsg+0xcd/0x170 [ 3739.138360][ T1167] do_syscall_64+0xc6/0x1e0 [ 3739.138360][ T1167] [ 3739.140566][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3739.140566][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3739.140566][ T1167] ipv6_find_idev+0x102/0x170 [ 3739.140566][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3739.140566][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3739.140566][ T1167] netlink_rcv_skb+0x130/0x360 [ 3739.140566][ T1167] netlink_unicast+0x449/0x710 [ 3739.140566][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3739.140566][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3739.140566][ T1167] ___sys_sendmsg+0xee/0x170 [ 3739.140566][ T1167] __sys_sendmsg+0xcd/0x170 [ 3739.140566][ T1167] do_syscall_64+0xc6/0x1e0 [ 3739.140566][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3739.140566][ T1167] [ 3739.142299][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3739.142299][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3739.142299][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3739.142299][ T1167] ipv6_find_idev+0x102/0x170 [ 3739.142299][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3739.142299][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3739.142299][ T1167] netlink_rcv_skb+0x130/0x360 [ 3739.142299][ T1167] netlink_unicast+0x449/0x710 [ 3739.142299][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3739.142299][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3739.142299][ T1167] ___sys_sendmsg+0xee/0x170 [ 3739.142299][ T1167] __sys_sendmsg+0xcd/0x170 [ 3739.142299][ T1167] do_syscall_64+0xc6/0x1e0 [ 3739.142299][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3739.142299][ T1167] [ 3740.513118][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3740.513463][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3740.513463][ T10] netdev_get_by_index+0x5e/0x80 [ 3740.513463][ T10] fib6_nh_init+0x3d8/0x1580 [ 3740.513463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3740.513463][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3740.513463][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3740.513463][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3740.513463][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3740.513463][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3740.513463][ T10] addrconf_dad_begin+0x310/0x670 [ 3740.513463][ T10] addrconf_dad_work+0x10b/0xab0 [ 3740.513463][ T10] process_one_work+0x84d/0x18a0 [ 3740.513463][ T10] worker_thread+0x587/0xd30 [ 3740.513463][ T10] kthread+0x28a/0x350 [ 3740.513463][ T10] ret_from_fork+0x31/0x70 [ 3740.513463][ T10] ret_from_fork_asm+0x1a/0x30 [ 3740.513463][ T10] [ 3740.515489][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3740.515489][ T10] netdev_get_by_index+0x5e/0x80 [ 3740.515489][ T10] fib6_nh_init+0x3d8/0x1580 [ 3740.515489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3740.515489][ T10] ip6_route_add+0x1c/0x140 [ 3740.515489][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3740.515489][ T10] inet6_addr_add+0x4f8/0xa40 [ 3740.515489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3740.515489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3740.515489][ T10] netlink_rcv_skb+0x130/0x360 [ 3740.515489][ T10] netlink_unicast+0x449/0x710 [ 3740.515489][ T10] netlink_sendmsg+0x723/0xbe0 [ 3740.515489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3740.515489][ T10] ___sys_sendmsg+0xee/0x170 [ 3740.515489][ T10] __sys_sendmsg+0xcd/0x170 [ 3740.515489][ T10] do_syscall_64+0xc6/0x1e0 [ 3740.515489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3740.515489][ T10] [ 3740.517498][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3740.517498][ T10] netdev_get_by_index+0x5e/0x80 [ 3740.517498][ T10] fib6_nh_init+0x3d8/0x1580 [ 3740.517498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3740.517498][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3740.517498][ T10] ipv6_add_addr+0x411/0x2000 [ 3740.517498][ T10] inet6_addr_add+0x30e/0xa40 [ 3740.517498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3740.517498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3740.517498][ T10] netlink_rcv_skb+0x130/0x360 [ 3740.517498][ T10] netlink_unicast+0x449/0x710 [ 3740.517498][ T10] netlink_sendmsg+0x723/0xbe0 [ 3740.517498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3740.517498][ T10] ___sys_sendmsg+0xee/0x170 [ 3740.517498][ T10] __sys_sendmsg+0xcd/0x170 [ 3740.517498][ T10] do_syscall_64+0xc6/0x1e0 [ 3740.517498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3740.517498][ T10] [ 3740.519508][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3740.519508][ T10] netdev_get_by_index+0x5e/0x80 [ 3740.519508][ T10] fib6_nh_init+0x3d8/0x1580 [ 3740.519508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3740.519508][ T10] ip6_route_add+0x1c/0x140 [ 3740.519508][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3740.519508][ T10] addrconf_add_dev+0xe2/0x170 [ 3740.519508][ T10] inet6_addr_add+0x12f/0xa40 [ 3740.519508][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3740.519508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3740.519508][ T10] netlink_rcv_skb+0x130/0x360 [ 3740.519508][ T10] netlink_unicast+0x449/0x710 [ 3740.519508][ T10] netlink_sendmsg+0x723/0xbe0 [ 3740.519508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3740.519508][ T10] ___sys_sendmsg+0xee/0x170 [ 3740.519508][ T10] __sys_sendmsg+0xcd/0x170 [ 3740.519508][ T10] do_syscall_64+0xc6/0x1e0 [ 3740.519508][ T10] [ 3740.521514][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3740.521514][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3740.521514][ T10] ipv6_find_idev+0x102/0x170 [ 3740.521514][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3740.521514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3740.521514][ T10] netlink_rcv_skb+0x130/0x360 [ 3740.521514][ T10] netlink_unicast+0x449/0x710 [ 3740.521514][ T10] netlink_sendmsg+0x723/0xbe0 [ 3740.521514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3740.521514][ T10] ___sys_sendmsg+0xee/0x170 [ 3740.521514][ T10] __sys_sendmsg+0xcd/0x170 [ 3740.521514][ T10] do_syscall_64+0xc6/0x1e0 [ 3740.521514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3740.521514][ T10] [ 3740.523063][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3740.523063][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3740.523063][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3740.523063][ T10] ipv6_find_idev+0x102/0x170 [ 3740.523063][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3740.523063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3740.523063][ T10] netlink_rcv_skb+0x130/0x360 [ 3740.523063][ T10] netlink_unicast+0x449/0x710 [ 3740.523063][ T10] netlink_sendmsg+0x723/0xbe0 [ 3740.523063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3740.523063][ T10] ___sys_sendmsg+0xee/0x170 [ 3740.523063][ T10] __sys_sendmsg+0xcd/0x170 [ 3740.523063][ T10] do_syscall_64+0xc6/0x1e0 [ 3740.523063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3740.523063][ T10] [ 3740.524756][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3740.525004][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3740.525004][ T10] netdev_get_by_index+0x5e/0x80 [ 3740.525004][ T10] fib6_nh_init+0x3d8/0x1580 [ 3740.525004][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3740.525004][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3740.525004][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3740.525004][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3740.525004][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3740.525004][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3740.525004][ T10] addrconf_dad_begin+0x310/0x670 [ 3740.525004][ T10] addrconf_dad_work+0x10b/0xab0 [ 3740.525004][ T10] process_one_work+0x84d/0x18a0 [ 3740.525004][ T10] worker_thread+0x587/0xd30 [ 3740.525004][ T10] kthread+0x28a/0x350 [ 3740.525004][ T10] ret_from_fork+0x31/0x70 [ 3740.525004][ T10] ret_from_fork_asm+0x1a/0x30 [ 3740.525004][ T10] [ 3740.526922][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3740.526922][ T10] netdev_get_by_index+0x5e/0x80 [ 3740.526922][ T10] fib6_nh_init+0x3d8/0x1580 [ 3740.526922][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3740.526922][ T10] ip6_route_add+0x1c/0x140 [ 3740.526922][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3740.526922][ T10] inet6_addr_add+0x4f8/0xa40 [ 3740.526922][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3740.526922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3740.526922][ T10] netlink_rcv_skb+0x130/0x360 [ 3740.526922][ T10] netlink_unicast+0x449/0x710 [ 3740.526922][ T10] netlink_sendmsg+0x723/0xbe0 [ 3740.526922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3740.526922][ T10] ___sys_sendmsg+0xee/0x170 [ 3740.526922][ T10] __sys_sendmsg+0xcd/0x170 [ 3740.526922][ T10] do_syscall_64+0xc6/0x1e0 [ 3740.526922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3740.526922][ T10] [ 3740.528935][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3740.528935][ T10] netdev_get_by_index+0x5e/0x80 [ 3740.528935][ T10] fib6_nh_init+0x3d8/0x1580 [ 3740.528935][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3740.528935][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3740.528935][ T10] ipv6_add_addr+0x411/0x2000 [ 3740.528935][ T10] inet6_addr_add+0x30e/0xa40 [ 3740.528935][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3740.528935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3740.528935][ T10] netlink_rcv_skb+0x130/0x360 [ 3740.528935][ T10] netlink_unicast+0x449/0x710 [ 3740.528935][ T10] netlink_sendmsg+0x723/0xbe0 [ 3740.528935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3740.528935][ T10] ___sys_sendmsg+0xee/0x170 [ 3740.528935][ T10] __sys_sendmsg+0xcd/0x170 [ 3740.528935][ T10] do_syscall_64+0xc6/0x1e0 [ 3740.528935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3740.528935][ T10] [ 3740.530972][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3740.530972][ T10] netdev_get_by_index+0x5e/0x80 [ 3740.530972][ T10] fib6_nh_init+0x3d8/0x1580 [ 3740.530972][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3740.530972][ T10] ip6_route_add+0x1c/0x140 [ 3740.530972][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3740.530972][ T10] addrconf_add_dev+0xe2/0x170 [ 3740.530972][ T10] inet6_addr_add+0x12f/0xa40 [ 3740.530972][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3740.530972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3740.530972][ T10] netlink_rcv_skb+0x130/0x360 [ 3740.530972][ T10] netlink_unicast+0x449/0x710 [ 3740.530972][ T10] netlink_sendmsg+0x723/0xbe0 [ 3740.530972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3740.530972][ T10] ___sys_sendmsg+0xee/0x170 [ 3740.530972][ T10] __sys_sendmsg+0xcd/0x170 [ 3740.530972][ T10] do_syscall_64+0xc6/0x1e0 [ 3740.530972][ T10] [ 3740.532937][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3740.532937][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3740.532937][ T10] ipv6_find_idev+0x102/0x170 [ 3740.532937][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3740.532937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3740.532937][ T10] netlink_rcv_skb+0x130/0x360 [ 3740.532937][ T10] netlink_unicast+0x449/0x710 [ 3740.532937][ T10] netlink_sendmsg+0x723/0xbe0 [ 3740.532937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3740.532937][ T10] ___sys_sendmsg+0xee/0x170 [ 3740.532937][ T10] __sys_sendmsg+0xcd/0x170 [ 3740.532937][ T10] do_syscall_64+0xc6/0x1e0 [ 3740.532937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3740.532937][ T10] [ 3740.534482][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3740.534482][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3740.534482][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3740.534482][ T10] ipv6_find_idev+0x102/0x170 [ 3740.534482][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3740.534482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3740.534482][ T10] netlink_rcv_skb+0x130/0x360 [ 3740.534482][ T10] netlink_unicast+0x449/0x710 [ 3740.534482][ T10] netlink_sendmsg+0x723/0xbe0 [ 3740.534482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3740.534482][ T10] ___sys_sendmsg+0xee/0x170 [ 3740.534482][ T10] __sys_sendmsg+0xcd/0x170 [ 3740.534482][ T10] do_syscall_64+0xc6/0x1e0 [ 3740.534482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3740.534482][ T10] [ 3740.536176][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3740.536425][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3740.536425][ T10] netdev_get_by_index+0x5e/0x80 [ 3740.536425][ T10] fib6_nh_init+0x3d8/0x1580 [ 3740.536425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3740.536425][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3740.536425][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3740.536425][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3740.536425][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3740.536425][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3740.536425][ T10] addrconf_dad_begin+0x310/0x670 [ 3740.536425][ T10] addrconf_dad_work+0x10b/0xab0 [ 3740.536425][ T10] process_one_work+0x84d/0x18a0 [ 3740.536425][ T10] worker_thread+0x587/0xd30 [ 3740.536425][ T10] kthread+0x28a/0x350 [ 3740.536425][ T10] ret_from_fork+0x31/0x70 [ 3740.536425][ T10] ret_from_fork_asm+0x1a/0x30 [ 3740.536425][ T10] [ 3740.538697][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3740.538697][ T10] netdev_get_by_index+0x5e/0x80 [ 3740.538697][ T10] fib6_nh_init+0x3d8/0x1580 [ 3740.538697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3740.538697][ T10] ip6_route_add+0x1c/0x140 [ 3740.538697][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3740.538697][ T10] inet6_addr_add+0x4f8/0xa40 [ 3740.538697][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3740.538697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3740.538697][ T10] netlink_rcv_skb+0x130/0x360 [ 3740.538697][ T10] netlink_unicast+0x449/0x710 [ 3740.538697][ T10] netlink_sendmsg+0x723/0xbe0 [ 3740.538697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3740.538697][ T10] ___sys_sendmsg+0xee/0x170 [ 3740.538697][ T10] __sys_sendmsg+0xcd/0x170 [ 3740.538697][ T10] do_syscall_64+0xc6/0x1e0 [ 3740.538697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3740.538697][ T10] [ 3740.540884][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3740.540884][ T10] netdev_get_by_index+0x5e/0x80 [ 3740.540884][ T10] fib6_nh_init+0x3d8/0x1580 [ 3740.540884][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3740.540884][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3740.540884][ T10] ipv6_add_addr+0x411/0x2000 [ 3740.540884][ T10] inet6_addr_add+0x30e/0xa40 [ 3740.540884][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3740.540884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3740.540884][ T10] netlink_rcv_skb+0x130/0x360 [ 3740.540884][ T10] netlink_unicast+0x449/0x710 [ 3740.540884][ T10] netlink_sendmsg+0x723/0xbe0 [ 3740.540884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3740.540884][ T10] ___sys_sendmsg+0xee/0x170 [ 3740.540884][ T10] __sys_sendmsg+0xcd/0x170 [ 3740.540884][ T10] do_syscall_64+0xc6/0x1e0 [ 3740.540884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3740.540884][ T10] [ 3740.543189][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3740.543189][ T10] netdev_get_by_index+0x5e/0x80 [ 3740.543189][ T10] fib6_nh_init+0x3d8/0x1580 [ 3740.543189][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3740.543189][ T10] ip6_route_add+0x1c/0x140 [ 3740.543189][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3740.543189][ T10] addrconf_add_dev+0xe2/0x170 [ 3740.543189][ T10] inet6_addr_add+0x12f/0xa40 [ 3740.543189][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3740.543189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3740.543189][ T10] netlink_rcv_skb+0x130/0x360 [ 3740.543189][ T10] netlink_unicast+0x449/0x710 [ 3740.543189][ T10] netlink_sendmsg+0x723/0xbe0 [ 3740.543189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3740.543189][ T10] ___sys_sendmsg+0xee/0x170 [ 3740.543189][ T10] __sys_sendmsg+0xcd/0x170 [ 3740.543189][ T10] do_syscall_64+0xc6/0x1e0 [ 3740.543189][ T10] [ 3740.545425][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3740.545425][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3740.545425][ T10] ipv6_find_idev+0x102/0x170 [ 3740.545425][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3740.545425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3740.545425][ T10] netlink_rcv_skb+0x130/0x360 [ 3740.545425][ T10] netlink_unicast+0x449/0x710 [ 3740.545425][ T10] netlink_sendmsg+0x723/0xbe0 [ 3740.545425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3740.545425][ T10] ___sys_sendmsg+0xee/0x170 [ 3740.545425][ T10] __sys_sendmsg+0xcd/0x170 [ 3740.545425][ T10] do_syscall_64+0xc6/0x1e0 [ 3740.545425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3740.545425][ T10] [ 3740.547077][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3740.547077][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3740.547077][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3740.547077][ T10] ipv6_find_idev+0x102/0x170 [ 3740.547077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3740.547077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3740.547077][ T10] netlink_rcv_skb+0x130/0x360 [ 3740.547077][ T10] netlink_unicast+0x449/0x710 [ 3740.547077][ T10] netlink_sendmsg+0x723/0xbe0 [ 3740.547077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3740.547077][ T10] ___sys_sendmsg+0xee/0x170 [ 3740.547077][ T10] __sys_sendmsg+0xcd/0x170 [ 3740.547077][ T10] do_syscall_64+0xc6/0x1e0 [ 3740.547077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3740.547077][ T10] [ 3740.549021][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3740.549259][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3740.549259][ T10] netdev_get_by_index+0x5e/0x80 [ 3740.549259][ T10] fib6_nh_init+0x3d8/0x1580 [ 3740.549259][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3740.549259][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3740.549259][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3740.549259][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3740.549259][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3740.549259][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3740.549259][ T10] addrconf_dad_begin+0x310/0x670 [ 3740.549259][ T10] addrconf_dad_work+0x10b/0xab0 [ 3740.549259][ T10] process_one_work+0x84d/0x18a0 [ 3740.549259][ T10] worker_thread+0x587/0xd30 [ 3740.549259][ T10] kthread+0x28a/0x350 [ 3740.549259][ T10] ret_from_fork+0x31/0x70 [ 3740.549259][ T10] ret_from_fork_asm+0x1a/0x30 [ 3740.549259][ T10] [ 3740.551498][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3740.551498][ T10] netdev_get_by_index+0x5e/0x80 [ 3740.551498][ T10] fib6_nh_init+0x3d8/0x1580 [ 3740.551498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3740.551498][ T10] ip6_route_add+0x1c/0x140 [ 3740.551498][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3740.551498][ T10] inet6_addr_add+0x4f8/0xa40 [ 3740.551498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3740.551498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3740.551498][ T10] netlink_rcv_skb+0x130/0x360 [ 3740.551498][ T10] netlink_unicast+0x449/0x710 [ 3740.551498][ T10] netlink_sendmsg+0x723/0xbe0 [ 3740.551498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3740.551498][ T10] ___sys_sendmsg+0xee/0x170 [ 3740.551498][ T10] __sys_sendmsg+0xcd/0x170 [ 3740.551498][ T10] do_syscall_64+0xc6/0x1e0 [ 3740.551498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3740.551498][ T10] [ 3740.553743][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3740.553743][ T10] netdev_get_by_index+0x5e/0x80 [ 3740.553743][ T10] fib6_nh_init+0x3d8/0x1580 [ 3740.553743][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3740.553743][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3740.553743][ T10] ipv6_add_addr+0x411/0x2000 [ 3740.553743][ T10] inet6_addr_add+0x30e/0xa40 [ 3740.553743][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3740.553743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3740.553743][ T10] netlink_rcv_skb+0x130/0x360 [ 3740.553743][ T10] netlink_unicast+0x449/0x710 [ 3740.553743][ T10] netlink_sendmsg+0x723/0xbe0 [ 3740.553743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3740.553743][ T10] ___sys_sendmsg+0xee/0x170 [ 3740.553743][ T10] __sys_sendmsg+0xcd/0x170 [ 3740.553743][ T10] do_syscall_64+0xc6/0x1e0 [ 3740.553743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3740.553743][ T10] [ 3740.555946][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3740.555946][ T10] netdev_get_by_index+0x5e/0x80 [ 3740.555946][ T10] fib6_nh_init+0x3d8/0x1580 [ 3740.555946][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3740.555946][ T10] ip6_route_add+0x1c/0x140 [ 3740.555946][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3740.555946][ T10] addrconf_add_dev+0xe2/0x170 [ 3740.555946][ T10] inet6_addr_add+0x12f/0xa40 [ 3740.555946][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3740.555946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3740.555946][ T10] netlink_rcv_skb+0x130/0x360 [ 3740.555946][ T10] netlink_unicast+0x449/0x710 [ 3740.555946][ T10] netlink_sendmsg+0x723/0xbe0 [ 3740.555946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3740.555946][ T10] ___sys_sendmsg+0xee/0x170 [ 3740.555946][ T10] __sys_sendmsg+0xcd/0x170 [ 3740.555946][ T10] do_syscall_64+0xc6/0x1e0 [ 3740.555946][ T10] [ 3740.558161][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3740.558161][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3740.558161][ T10] ipv6_find_idev+0x102/0x170 [ 3740.558161][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3740.558161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3740.558161][ T10] netlink_rcv_skb+0x130/0x360 [ 3740.558161][ T10] netlink_unicast+0x449/0x710 [ 3740.558161][ T10] netlink_sendmsg+0x723/0xbe0 [ 3740.558161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3740.558161][ T10] ___sys_sendmsg+0xee/0x170 [ 3740.558161][ T10] __sys_sendmsg+0xcd/0x170 [ 3740.558161][ T10] do_syscall_64+0xc6/0x1e0 [ 3740.558161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3740.558161][ T10] [ 3740.559880][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3740.559880][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3740.559880][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3740.559880][ T10] ipv6_find_idev+0x102/0x170 [ 3740.559880][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3740.559880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3740.559880][ T10] netlink_rcv_skb+0x130/0x360 [ 3740.559880][ T10] netlink_unicast+0x449/0x710 [ 3740.559880][ T10] netlink_sendmsg+0x723/0xbe0 [ 3740.559880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3740.559880][ T10] ___sys_sendmsg+0xee/0x170 [ 3740.559880][ T10] __sys_sendmsg+0xcd/0x170 [ 3740.559880][ T10] do_syscall_64+0xc6/0x1e0 [ 3740.559880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3740.559880][ T10] [ 3749.393058][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3749.393491][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3749.393491][ T1167] dst_init+0x84/0x4a0 [ 3749.393491][ T1167] dst_alloc+0x97/0x150 [ 3749.393491][ T1167] ip6_dst_alloc+0x23/0x90 [ 3749.393491][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3749.393491][ T1167] ip6_pol_route+0x56f/0x840 [ 3749.393491][ T1167] fib6_rule_lookup+0x334/0x630 [ 3749.393491][ T1167] ip6_route_output_flags+0x259/0x480 [ 3749.393491][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3749.393491][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3749.393491][ T1167] netlink_rcv_skb+0x130/0x360 [ 3749.393491][ T1167] netlink_unicast+0x449/0x710 [ 3749.393491][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3749.393491][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3749.393491][ T1167] ___sys_sendmsg+0xee/0x170 [ 3749.393491][ T1167] __sys_sendmsg+0xcd/0x170 [ 3749.393491][ T1167] do_syscall_64+0xc6/0x1e0 [ 3749.393491][ T1167] [ 3749.395898][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3749.395898][ T1167] netdev_get_by_index+0x5e/0x80 [ 3749.395898][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3749.395898][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3749.395898][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3749.395898][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3749.395898][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3749.395898][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3749.395898][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3749.395898][ T1167] addrconf_dad_begin+0x310/0x670 [ 3749.395898][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3749.395898][ T1167] process_one_work+0x84d/0x18a0 [ 3749.395898][ T1167] worker_thread+0x587/0xd30 [ 3749.395898][ T1167] kthread+0x28a/0x350 [ 3749.395898][ T1167] ret_from_fork+0x31/0x70 [ 3749.395898][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3749.395898][ T1167] [ 3749.398116][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3749.398116][ T1167] netdev_get_by_index+0x5e/0x80 [ 3749.398116][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3749.398116][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3749.398116][ T1167] ip6_route_add+0x1c/0x140 [ 3749.398116][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3749.398116][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3749.398116][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3749.398116][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3749.398116][ T1167] netlink_rcv_skb+0x130/0x360 [ 3749.398116][ T1167] netlink_unicast+0x449/0x710 [ 3749.398116][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3749.398116][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3749.398116][ T1167] ___sys_sendmsg+0xee/0x170 [ 3749.398116][ T1167] __sys_sendmsg+0xcd/0x170 [ 3749.398116][ T1167] do_syscall_64+0xc6/0x1e0 [ 3749.398116][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3749.398116][ T1167] [ 3749.400426][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3749.400426][ T1167] netdev_get_by_index+0x5e/0x80 [ 3749.400426][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3749.400426][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3749.400426][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3749.400426][ T1167] ipv6_add_addr+0x411/0x2000 [ 3749.400426][ T1167] inet6_addr_add+0x30e/0xa40 [ 3749.400426][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3749.400426][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3749.400426][ T1167] netlink_rcv_skb+0x130/0x360 [ 3749.400426][ T1167] netlink_unicast+0x449/0x710 [ 3749.400426][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3749.400426][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3749.400426][ T1167] ___sys_sendmsg+0xee/0x170 [ 3749.400426][ T1167] __sys_sendmsg+0xcd/0x170 [ 3749.400426][ T1167] do_syscall_64+0xc6/0x1e0 [ 3749.400426][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3749.400426][ T1167] [ 3749.402734][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3749.402734][ T1167] netdev_get_by_index+0x5e/0x80 [ 3749.402734][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3749.402734][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3749.402734][ T1167] ip6_route_add+0x1c/0x140 [ 3749.402734][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3749.402734][ T1167] addrconf_add_dev+0xe2/0x170 [ 3749.402734][ T1167] inet6_addr_add+0x12f/0xa40 [ 3749.402734][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3749.402734][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3749.402734][ T1167] netlink_rcv_skb+0x130/0x360 [ 3749.402734][ T1167] netlink_unicast+0x449/0x710 [ 3749.402734][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3749.402734][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3749.402734][ T1167] ___sys_sendmsg+0xee/0x170 [ 3749.402734][ T1167] __sys_sendmsg+0xcd/0x170 [ 3749.402734][ T1167] do_syscall_64+0xc6/0x1e0 [ 3749.402734][ T1167] [ 3749.404985][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3749.404985][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3749.404985][ T1167] ipv6_find_idev+0x102/0x170 [ 3749.404985][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3749.404985][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3749.404985][ T1167] netlink_rcv_skb+0x130/0x360 [ 3749.404985][ T1167] netlink_unicast+0x449/0x710 [ 3749.404985][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3749.404985][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3749.404985][ T1167] ___sys_sendmsg+0xee/0x170 [ 3749.404985][ T1167] __sys_sendmsg+0xcd/0x170 [ 3749.404985][ T1167] do_syscall_64+0xc6/0x1e0 [ 3749.404985][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3749.404985][ T1167] [ 3749.406733][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3749.406733][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3749.406733][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3749.406733][ T1167] ipv6_find_idev+0x102/0x170 [ 3749.406733][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3749.406733][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3749.406733][ T1167] netlink_rcv_skb+0x130/0x360 [ 3749.406733][ T1167] netlink_unicast+0x449/0x710 [ 3749.406733][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3749.406733][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3749.406733][ T1167] ___sys_sendmsg+0xee/0x170 [ 3749.406733][ T1167] __sys_sendmsg+0xcd/0x170 [ 3749.406733][ T1167] do_syscall_64+0xc6/0x1e0 [ 3749.406733][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3749.406733][ T1167] [ 3750.801070][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3750.801455][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3750.801455][ T10] netdev_get_by_index+0x5e/0x80 [ 3750.801455][ T10] fib6_nh_init+0x3d8/0x1580 [ 3750.801455][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3750.801455][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3750.801455][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3750.801455][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3750.801455][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3750.801455][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3750.801455][ T10] addrconf_dad_begin+0x310/0x670 [ 3750.801455][ T10] addrconf_dad_work+0x10b/0xab0 [ 3750.801455][ T10] process_one_work+0x84d/0x18a0 [ 3750.801455][ T10] worker_thread+0x587/0xd30 [ 3750.801455][ T10] kthread+0x28a/0x350 [ 3750.801455][ T10] ret_from_fork+0x31/0x70 [ 3750.801455][ T10] ret_from_fork_asm+0x1a/0x30 [ 3750.801455][ T10] [ 3750.803442][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3750.803442][ T10] netdev_get_by_index+0x5e/0x80 [ 3750.803442][ T10] fib6_nh_init+0x3d8/0x1580 [ 3750.803442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3750.803442][ T10] ip6_route_add+0x1c/0x140 [ 3750.803442][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3750.803442][ T10] inet6_addr_add+0x4f8/0xa40 [ 3750.803442][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3750.803442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3750.803442][ T10] netlink_rcv_skb+0x130/0x360 [ 3750.803442][ T10] netlink_unicast+0x449/0x710 [ 3750.803442][ T10] netlink_sendmsg+0x723/0xbe0 [ 3750.803442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3750.803442][ T10] ___sys_sendmsg+0xee/0x170 [ 3750.803442][ T10] __sys_sendmsg+0xcd/0x170 [ 3750.803442][ T10] do_syscall_64+0xc6/0x1e0 [ 3750.803442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3750.803442][ T10] [ 3750.805470][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3750.805470][ T10] netdev_get_by_index+0x5e/0x80 [ 3750.805470][ T10] fib6_nh_init+0x3d8/0x1580 [ 3750.805470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3750.805470][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3750.805470][ T10] ipv6_add_addr+0x411/0x2000 [ 3750.805470][ T10] inet6_addr_add+0x30e/0xa40 [ 3750.805470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3750.805470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3750.805470][ T10] netlink_rcv_skb+0x130/0x360 [ 3750.805470][ T10] netlink_unicast+0x449/0x710 [ 3750.805470][ T10] netlink_sendmsg+0x723/0xbe0 [ 3750.805470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3750.805470][ T10] ___sys_sendmsg+0xee/0x170 [ 3750.805470][ T10] __sys_sendmsg+0xcd/0x170 [ 3750.805470][ T10] do_syscall_64+0xc6/0x1e0 [ 3750.805470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3750.805470][ T10] [ 3750.807499][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3750.807499][ T10] netdev_get_by_index+0x5e/0x80 [ 3750.807499][ T10] fib6_nh_init+0x3d8/0x1580 [ 3750.807499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3750.807499][ T10] ip6_route_add+0x1c/0x140 [ 3750.807499][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3750.807499][ T10] addrconf_add_dev+0xe2/0x170 [ 3750.807499][ T10] inet6_addr_add+0x12f/0xa40 [ 3750.807499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3750.807499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3750.807499][ T10] netlink_rcv_skb+0x130/0x360 [ 3750.807499][ T10] netlink_unicast+0x449/0x710 [ 3750.807499][ T10] netlink_sendmsg+0x723/0xbe0 [ 3750.807499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3750.807499][ T10] ___sys_sendmsg+0xee/0x170 [ 3750.807499][ T10] __sys_sendmsg+0xcd/0x170 [ 3750.807499][ T10] do_syscall_64+0xc6/0x1e0 [ 3750.807499][ T10] [ 3750.809505][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3750.809505][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3750.809505][ T10] ipv6_find_idev+0x102/0x170 [ 3750.809505][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3750.809505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3750.809505][ T10] netlink_rcv_skb+0x130/0x360 [ 3750.809505][ T10] netlink_unicast+0x449/0x710 [ 3750.809505][ T10] netlink_sendmsg+0x723/0xbe0 [ 3750.809505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3750.809505][ T10] ___sys_sendmsg+0xee/0x170 [ 3750.809505][ T10] __sys_sendmsg+0xcd/0x170 [ 3750.809505][ T10] do_syscall_64+0xc6/0x1e0 [ 3750.809505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3750.809505][ T10] [ 3750.811074][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3750.811074][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3750.811074][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3750.811074][ T10] ipv6_find_idev+0x102/0x170 [ 3750.811074][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3750.811074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3750.811074][ T10] netlink_rcv_skb+0x130/0x360 [ 3750.811074][ T10] netlink_unicast+0x449/0x710 [ 3750.811074][ T10] netlink_sendmsg+0x723/0xbe0 [ 3750.811074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3750.811074][ T10] ___sys_sendmsg+0xee/0x170 [ 3750.811074][ T10] __sys_sendmsg+0xcd/0x170 [ 3750.811074][ T10] do_syscall_64+0xc6/0x1e0 [ 3750.811074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3750.811074][ T10] [ 3750.812766][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3750.813046][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3750.813046][ T10] netdev_get_by_index+0x5e/0x80 [ 3750.813046][ T10] fib6_nh_init+0x3d8/0x1580 [ 3750.813046][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3750.813046][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3750.813046][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3750.813046][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3750.813046][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3750.813046][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3750.813046][ T10] addrconf_dad_begin+0x310/0x670 [ 3750.813046][ T10] addrconf_dad_work+0x10b/0xab0 [ 3750.813046][ T10] process_one_work+0x84d/0x18a0 [ 3750.813046][ T10] worker_thread+0x587/0xd30 [ 3750.813046][ T10] kthread+0x28a/0x350 [ 3750.813046][ T10] ret_from_fork+0x31/0x70 [ 3750.813046][ T10] ret_from_fork_asm+0x1a/0x30 [ 3750.813046][ T10] [ 3750.814965][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3750.814965][ T10] netdev_get_by_index+0x5e/0x80 [ 3750.814965][ T10] fib6_nh_init+0x3d8/0x1580 [ 3750.814965][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3750.814965][ T10] ip6_route_add+0x1c/0x140 [ 3750.814965][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3750.814965][ T10] inet6_addr_add+0x4f8/0xa40 [ 3750.814965][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3750.814965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3750.814965][ T10] netlink_rcv_skb+0x130/0x360 [ 3750.814965][ T10] netlink_unicast+0x449/0x710 [ 3750.814965][ T10] netlink_sendmsg+0x723/0xbe0 [ 3750.814965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3750.814965][ T10] ___sys_sendmsg+0xee/0x170 [ 3750.814965][ T10] __sys_sendmsg+0xcd/0x170 [ 3750.814965][ T10] do_syscall_64+0xc6/0x1e0 [ 3750.814965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3750.814965][ T10] [ 3750.816968][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3750.816968][ T10] netdev_get_by_index+0x5e/0x80 [ 3750.816968][ T10] fib6_nh_init+0x3d8/0x1580 [ 3750.816968][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3750.816968][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3750.816968][ T10] ipv6_add_addr+0x411/0x2000 [ 3750.816968][ T10] inet6_addr_add+0x30e/0xa40 [ 3750.816968][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3750.816968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3750.816968][ T10] netlink_rcv_skb+0x130/0x360 [ 3750.816968][ T10] netlink_unicast+0x449/0x710 [ 3750.816968][ T10] netlink_sendmsg+0x723/0xbe0 [ 3750.816968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3750.816968][ T10] ___sys_sendmsg+0xee/0x170 [ 3750.816968][ T10] __sys_sendmsg+0xcd/0x170 [ 3750.816968][ T10] do_syscall_64+0xc6/0x1e0 [ 3750.816968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3750.816968][ T10] [ 3750.819002][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3750.819002][ T10] netdev_get_by_index+0x5e/0x80 [ 3750.819002][ T10] fib6_nh_init+0x3d8/0x1580 [ 3750.819002][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3750.819002][ T10] ip6_route_add+0x1c/0x140 [ 3750.819002][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3750.819002][ T10] addrconf_add_dev+0xe2/0x170 [ 3750.819002][ T10] inet6_addr_add+0x12f/0xa40 [ 3750.819002][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3750.819002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3750.819002][ T10] netlink_rcv_skb+0x130/0x360 [ 3750.819002][ T10] netlink_unicast+0x449/0x710 [ 3750.819002][ T10] netlink_sendmsg+0x723/0xbe0 [ 3750.819002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3750.819002][ T10] ___sys_sendmsg+0xee/0x170 [ 3750.819002][ T10] __sys_sendmsg+0xcd/0x170 [ 3750.819002][ T10] do_syscall_64+0xc6/0x1e0 [ 3750.819002][ T10] [ 3750.821027][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3750.821027][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3750.821027][ T10] ipv6_find_idev+0x102/0x170 [ 3750.821027][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3750.821027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3750.821027][ T10] netlink_rcv_skb+0x130/0x360 [ 3750.821027][ T10] netlink_unicast+0x449/0x710 [ 3750.821027][ T10] netlink_sendmsg+0x723/0xbe0 [ 3750.821027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3750.821027][ T10] ___sys_sendmsg+0xee/0x170 [ 3750.821027][ T10] __sys_sendmsg+0xcd/0x170 [ 3750.821027][ T10] do_syscall_64+0xc6/0x1e0 [ 3750.821027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3750.821027][ T10] [ 3750.822602][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3750.822602][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3750.822602][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3750.822602][ T10] ipv6_find_idev+0x102/0x170 [ 3750.822602][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3750.822602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3750.822602][ T10] netlink_rcv_skb+0x130/0x360 [ 3750.822602][ T10] netlink_unicast+0x449/0x710 [ 3750.822602][ T10] netlink_sendmsg+0x723/0xbe0 [ 3750.822602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3750.822602][ T10] ___sys_sendmsg+0xee/0x170 [ 3750.822602][ T10] __sys_sendmsg+0xcd/0x170 [ 3750.822602][ T10] do_syscall_64+0xc6/0x1e0 [ 3750.822602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3750.822602][ T10] [ 3750.824300][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3750.824554][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3750.824554][ T10] netdev_get_by_index+0x5e/0x80 [ 3750.824554][ T10] fib6_nh_init+0x3d8/0x1580 [ 3750.824554][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3750.824554][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3750.824554][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3750.824554][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3750.824554][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3750.824554][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3750.824554][ T10] addrconf_dad_begin+0x310/0x670 [ 3750.824554][ T10] addrconf_dad_work+0x10b/0xab0 [ 3750.824554][ T10] process_one_work+0x84d/0x18a0 [ 3750.824554][ T10] worker_thread+0x587/0xd30 [ 3750.824554][ T10] kthread+0x28a/0x350 [ 3750.824554][ T10] ret_from_fork+0x31/0x70 [ 3750.824554][ T10] ret_from_fork_asm+0x1a/0x30 [ 3750.824554][ T10] [ 3750.826492][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3750.826492][ T10] netdev_get_by_index+0x5e/0x80 [ 3750.826492][ T10] fib6_nh_init+0x3d8/0x1580 [ 3750.826492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3750.826492][ T10] ip6_route_add+0x1c/0x140 [ 3750.826492][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3750.826492][ T10] inet6_addr_add+0x4f8/0xa40 [ 3750.826492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3750.826492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3750.826492][ T10] netlink_rcv_skb+0x130/0x360 [ 3750.826492][ T10] netlink_unicast+0x449/0x710 [ 3750.826492][ T10] netlink_sendmsg+0x723/0xbe0 [ 3750.826492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3750.826492][ T10] ___sys_sendmsg+0xee/0x170 [ 3750.826492][ T10] __sys_sendmsg+0xcd/0x170 [ 3750.826492][ T10] do_syscall_64+0xc6/0x1e0 [ 3750.826492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3750.826492][ T10] [ 3750.828722][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3750.828722][ T10] netdev_get_by_index+0x5e/0x80 [ 3750.828722][ T10] fib6_nh_init+0x3d8/0x1580 [ 3750.828722][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3750.828722][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3750.828722][ T10] ipv6_add_addr+0x411/0x2000 [ 3750.828722][ T10] inet6_addr_add+0x30e/0xa40 [ 3750.828722][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3750.828722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3750.828722][ T10] netlink_rcv_skb+0x130/0x360 [ 3750.828722][ T10] netlink_unicast+0x449/0x710 [ 3750.828722][ T10] netlink_sendmsg+0x723/0xbe0 [ 3750.828722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3750.828722][ T10] ___sys_sendmsg+0xee/0x170 [ 3750.828722][ T10] __sys_sendmsg+0xcd/0x170 [ 3750.828722][ T10] do_syscall_64+0xc6/0x1e0 [ 3750.828722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3750.828722][ T10] [ 3750.831021][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3750.831021][ T10] netdev_get_by_index+0x5e/0x80 [ 3750.831021][ T10] fib6_nh_init+0x3d8/0x1580 [ 3750.831021][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3750.831021][ T10] ip6_route_add+0x1c/0x140 [ 3750.831021][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3750.831021][ T10] addrconf_add_dev+0xe2/0x170 [ 3750.831021][ T10] inet6_addr_add+0x12f/0xa40 [ 3750.831021][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3750.831021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3750.831021][ T10] netlink_rcv_skb+0x130/0x360 [ 3750.831021][ T10] netlink_unicast+0x449/0x710 [ 3750.831021][ T10] netlink_sendmsg+0x723/0xbe0 [ 3750.831021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3750.831021][ T10] ___sys_sendmsg+0xee/0x170 [ 3750.831021][ T10] __sys_sendmsg+0xcd/0x170 [ 3750.831021][ T10] do_syscall_64+0xc6/0x1e0 [ 3750.831021][ T10] [ 3750.833222][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3750.833222][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3750.833222][ T10] ipv6_find_idev+0x102/0x170 [ 3750.833222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3750.833222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3750.833222][ T10] netlink_rcv_skb+0x130/0x360 [ 3750.833222][ T10] netlink_unicast+0x449/0x710 [ 3750.833222][ T10] netlink_sendmsg+0x723/0xbe0 [ 3750.833222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3750.833222][ T10] ___sys_sendmsg+0xee/0x170 [ 3750.833222][ T10] __sys_sendmsg+0xcd/0x170 [ 3750.833222][ T10] do_syscall_64+0xc6/0x1e0 [ 3750.833222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3750.833222][ T10] [ 3750.834894][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3750.834894][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3750.834894][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3750.834894][ T10] ipv6_find_idev+0x102/0x170 [ 3750.834894][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3750.834894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3750.834894][ T10] netlink_rcv_skb+0x130/0x360 [ 3750.834894][ T10] netlink_unicast+0x449/0x710 [ 3750.834894][ T10] netlink_sendmsg+0x723/0xbe0 [ 3750.834894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3750.834894][ T10] ___sys_sendmsg+0xee/0x170 [ 3750.834894][ T10] __sys_sendmsg+0xcd/0x170 [ 3750.834894][ T10] do_syscall_64+0xc6/0x1e0 [ 3750.834894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3750.834894][ T10] [ 3750.836844][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3750.837523][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3750.837523][ T10] netdev_get_by_index+0x5e/0x80 [ 3750.837523][ T10] fib6_nh_init+0x3d8/0x1580 [ 3750.837523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3750.837523][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3750.837523][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3750.837523][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3750.837523][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3750.837523][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3750.837523][ T10] addrconf_dad_begin+0x310/0x670 [ 3750.837523][ T10] addrconf_dad_work+0x10b/0xab0 [ 3750.837523][ T10] process_one_work+0x84d/0x18a0 [ 3750.837523][ T10] worker_thread+0x587/0xd30 [ 3750.837523][ T10] kthread+0x28a/0x350 [ 3750.837523][ T10] ret_from_fork+0x31/0x70 [ 3750.837523][ T10] ret_from_fork_asm+0x1a/0x30 [ 3750.837523][ T10] [ 3750.839421][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3750.839421][ T10] netdev_get_by_index+0x5e/0x80 [ 3750.839421][ T10] fib6_nh_init+0x3d8/0x1580 [ 3750.839421][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3750.839421][ T10] ip6_route_add+0x1c/0x140 [ 3750.839421][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3750.839421][ T10] inet6_addr_add+0x4f8/0xa40 [ 3750.839421][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3750.839421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3750.839421][ T10] netlink_rcv_skb+0x130/0x360 [ 3750.839421][ T10] netlink_unicast+0x449/0x710 [ 3750.839421][ T10] netlink_sendmsg+0x723/0xbe0 [ 3750.839421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3750.839421][ T10] ___sys_sendmsg+0xee/0x170 [ 3750.839421][ T10] __sys_sendmsg+0xcd/0x170 [ 3750.839421][ T10] do_syscall_64+0xc6/0x1e0 [ 3750.839421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3750.839421][ T10] [ 3750.841591][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3750.841591][ T10] netdev_get_by_index+0x5e/0x80 [ 3750.841591][ T10] fib6_nh_init+0x3d8/0x1580 [ 3750.841591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3750.841591][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3750.841591][ T10] ipv6_add_addr+0x411/0x2000 [ 3750.841591][ T10] inet6_addr_add+0x30e/0xa40 [ 3750.841591][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3750.841591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3750.841591][ T10] netlink_rcv_skb+0x130/0x360 [ 3750.841591][ T10] netlink_unicast+0x449/0x710 [ 3750.841591][ T10] netlink_sendmsg+0x723/0xbe0 [ 3750.841591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3750.841591][ T10] ___sys_sendmsg+0xee/0x170 [ 3750.841591][ T10] __sys_sendmsg+0xcd/0x170 [ 3750.841591][ T10] do_syscall_64+0xc6/0x1e0 [ 3750.841591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3750.841591][ T10] [ 3750.843927][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3750.843927][ T10] netdev_get_by_index+0x5e/0x80 [ 3750.843927][ T10] fib6_nh_init+0x3d8/0x1580 [ 3750.843927][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3750.843927][ T10] ip6_route_add+0x1c/0x140 [ 3750.843927][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3750.843927][ T10] addrconf_add_dev+0xe2/0x170 [ 3750.843927][ T10] inet6_addr_add+0x12f/0xa40 [ 3750.843927][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3750.843927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3750.843927][ T10] netlink_rcv_skb+0x130/0x360 [ 3750.843927][ T10] netlink_unicast+0x449/0x710 [ 3750.843927][ T10] netlink_sendmsg+0x723/0xbe0 [ 3750.843927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3750.843927][ T10] ___sys_sendmsg+0xee/0x170 [ 3750.843927][ T10] __sys_sendmsg+0xcd/0x170 [ 3750.843927][ T10] do_syscall_64+0xc6/0x1e0 [ 3750.843927][ T10] [ 3750.846121][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3750.846121][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3750.846121][ T10] ipv6_find_idev+0x102/0x170 [ 3750.846121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3750.846121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3750.846121][ T10] netlink_rcv_skb+0x130/0x360 [ 3750.846121][ T10] netlink_unicast+0x449/0x710 [ 3750.846121][ T10] netlink_sendmsg+0x723/0xbe0 [ 3750.846121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3750.846121][ T10] ___sys_sendmsg+0xee/0x170 [ 3750.846121][ T10] __sys_sendmsg+0xcd/0x170 [ 3750.846121][ T10] do_syscall_64+0xc6/0x1e0 [ 3750.846121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3750.846121][ T10] [ 3750.847877][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3750.847877][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3750.847877][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3750.847877][ T10] ipv6_find_idev+0x102/0x170 [ 3750.847877][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3750.847877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3750.847877][ T10] netlink_rcv_skb+0x130/0x360 [ 3750.847877][ T10] netlink_unicast+0x449/0x710 [ 3750.847877][ T10] netlink_sendmsg+0x723/0xbe0 [ 3750.847877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3750.847877][ T10] ___sys_sendmsg+0xee/0x170 [ 3750.847877][ T10] __sys_sendmsg+0xcd/0x170 [ 3750.847877][ T10] do_syscall_64+0xc6/0x1e0 [ 3750.847877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3750.847877][ T10] [ 3759.433060][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3759.433491][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3759.433491][ T1167] dst_init+0x84/0x4a0 [ 3759.433491][ T1167] dst_alloc+0x97/0x150 [ 3759.433491][ T1167] ip6_dst_alloc+0x23/0x90 [ 3759.433491][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3759.433491][ T1167] ip6_pol_route+0x56f/0x840 [ 3759.433491][ T1167] fib6_rule_lookup+0x334/0x630 [ 3759.433491][ T1167] ip6_route_output_flags+0x259/0x480 [ 3759.433491][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3759.433491][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3759.433491][ T1167] netlink_rcv_skb+0x130/0x360 [ 3759.433491][ T1167] netlink_unicast+0x449/0x710 [ 3759.433491][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3759.433491][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3759.433491][ T1167] ___sys_sendmsg+0xee/0x170 [ 3759.433491][ T1167] __sys_sendmsg+0xcd/0x170 [ 3759.433491][ T1167] do_syscall_64+0xc6/0x1e0 [ 3759.433491][ T1167] [ 3759.435836][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3759.435836][ T1167] netdev_get_by_index+0x5e/0x80 [ 3759.435836][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3759.435836][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3759.435836][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3759.435836][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3759.435836][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3759.435836][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3759.435836][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3759.435836][ T1167] addrconf_dad_begin+0x310/0x670 [ 3759.435836][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3759.435836][ T1167] process_one_work+0x84d/0x18a0 [ 3759.435836][ T1167] worker_thread+0x587/0xd30 [ 3759.435836][ T1167] kthread+0x28a/0x350 [ 3759.435836][ T1167] ret_from_fork+0x31/0x70 [ 3759.435836][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3759.435836][ T1167] [ 3759.438031][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3759.438031][ T1167] netdev_get_by_index+0x5e/0x80 [ 3759.438031][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3759.438031][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3759.438031][ T1167] ip6_route_add+0x1c/0x140 [ 3759.438031][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3759.438031][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3759.438031][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3759.438031][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3759.438031][ T1167] netlink_rcv_skb+0x130/0x360 [ 3759.438031][ T1167] netlink_unicast+0x449/0x710 [ 3759.438031][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3759.438031][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3759.438031][ T1167] ___sys_sendmsg+0xee/0x170 [ 3759.438031][ T1167] __sys_sendmsg+0xcd/0x170 [ 3759.438031][ T1167] do_syscall_64+0xc6/0x1e0 [ 3759.438031][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3759.438031][ T1167] [ 3759.440309][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3759.440309][ T1167] netdev_get_by_index+0x5e/0x80 [ 3759.440309][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3759.440309][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3759.440309][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3759.440309][ T1167] ipv6_add_addr+0x411/0x2000 [ 3759.440309][ T1167] inet6_addr_add+0x30e/0xa40 [ 3759.440309][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3759.440309][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3759.440309][ T1167] netlink_rcv_skb+0x130/0x360 [ 3759.440309][ T1167] netlink_unicast+0x449/0x710 [ 3759.440309][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3759.440309][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3759.440309][ T1167] ___sys_sendmsg+0xee/0x170 [ 3759.440309][ T1167] __sys_sendmsg+0xcd/0x170 [ 3759.440309][ T1167] do_syscall_64+0xc6/0x1e0 [ 3759.440309][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3759.440309][ T1167] [ 3759.442572][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3759.442572][ T1167] netdev_get_by_index+0x5e/0x80 [ 3759.442572][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3759.442572][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3759.442572][ T1167] ip6_route_add+0x1c/0x140 [ 3759.442572][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3759.442572][ T1167] addrconf_add_dev+0xe2/0x170 [ 3759.442572][ T1167] inet6_addr_add+0x12f/0xa40 [ 3759.442572][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3759.442572][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3759.442572][ T1167] netlink_rcv_skb+0x130/0x360 [ 3759.442572][ T1167] netlink_unicast+0x449/0x710 [ 3759.442572][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3759.442572][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3759.442572][ T1167] ___sys_sendmsg+0xee/0x170 [ 3759.442572][ T1167] __sys_sendmsg+0xcd/0x170 [ 3759.442572][ T1167] do_syscall_64+0xc6/0x1e0 [ 3759.442572][ T1167] [ 3759.444791][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3759.444791][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3759.444791][ T1167] ipv6_find_idev+0x102/0x170 [ 3759.444791][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3759.444791][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3759.444791][ T1167] netlink_rcv_skb+0x130/0x360 [ 3759.444791][ T1167] netlink_unicast+0x449/0x710 [ 3759.444791][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3759.444791][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3759.444791][ T1167] ___sys_sendmsg+0xee/0x170 [ 3759.444791][ T1167] __sys_sendmsg+0xcd/0x170 [ 3759.444791][ T1167] do_syscall_64+0xc6/0x1e0 [ 3759.444791][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3759.444791][ T1167] [ 3759.446545][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3759.446545][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3759.446545][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3759.446545][ T1167] ipv6_find_idev+0x102/0x170 [ 3759.446545][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3759.446545][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3759.446545][ T1167] netlink_rcv_skb+0x130/0x360 [ 3759.446545][ T1167] netlink_unicast+0x449/0x710 [ 3759.446545][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3759.446545][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3759.446545][ T1167] ___sys_sendmsg+0xee/0x170 [ 3759.446545][ T1167] __sys_sendmsg+0xcd/0x170 [ 3759.446545][ T1167] do_syscall_64+0xc6/0x1e0 [ 3759.446545][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3759.446545][ T1167] [ 3761.089119][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3761.089531][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3761.089531][ T10] netdev_get_by_index+0x5e/0x80 [ 3761.089531][ T10] fib6_nh_init+0x3d8/0x1580 [ 3761.089531][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3761.089531][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3761.089531][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3761.089531][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3761.089531][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3761.089531][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3761.089531][ T10] addrconf_dad_begin+0x310/0x670 [ 3761.089531][ T10] addrconf_dad_work+0x10b/0xab0 [ 3761.089531][ T10] process_one_work+0x84d/0x18a0 [ 3761.089531][ T10] worker_thread+0x587/0xd30 [ 3761.089531][ T10] kthread+0x28a/0x350 [ 3761.089531][ T10] ret_from_fork+0x31/0x70 [ 3761.089531][ T10] ret_from_fork_asm+0x1a/0x30 [ 3761.089531][ T10] [ 3761.091498][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3761.091498][ T10] netdev_get_by_index+0x5e/0x80 [ 3761.091498][ T10] fib6_nh_init+0x3d8/0x1580 [ 3761.091498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3761.091498][ T10] ip6_route_add+0x1c/0x140 [ 3761.091498][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3761.091498][ T10] inet6_addr_add+0x4f8/0xa40 [ 3761.091498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3761.091498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.091498][ T10] netlink_rcv_skb+0x130/0x360 [ 3761.091498][ T10] netlink_unicast+0x449/0x710 [ 3761.091498][ T10] netlink_sendmsg+0x723/0xbe0 [ 3761.091498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3761.091498][ T10] ___sys_sendmsg+0xee/0x170 [ 3761.091498][ T10] __sys_sendmsg+0xcd/0x170 [ 3761.091498][ T10] do_syscall_64+0xc6/0x1e0 [ 3761.091498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3761.091498][ T10] [ 3761.093496][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3761.093496][ T10] netdev_get_by_index+0x5e/0x80 [ 3761.093496][ T10] fib6_nh_init+0x3d8/0x1580 [ 3761.093496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3761.093496][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3761.093496][ T10] ipv6_add_addr+0x411/0x2000 [ 3761.093496][ T10] inet6_addr_add+0x30e/0xa40 [ 3761.093496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3761.093496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.093496][ T10] netlink_rcv_skb+0x130/0x360 [ 3761.093496][ T10] netlink_unicast+0x449/0x710 [ 3761.093496][ T10] netlink_sendmsg+0x723/0xbe0 [ 3761.093496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3761.093496][ T10] ___sys_sendmsg+0xee/0x170 [ 3761.093496][ T10] __sys_sendmsg+0xcd/0x170 [ 3761.093496][ T10] do_syscall_64+0xc6/0x1e0 [ 3761.093496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3761.093496][ T10] [ 3761.095478][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3761.095478][ T10] netdev_get_by_index+0x5e/0x80 [ 3761.095478][ T10] fib6_nh_init+0x3d8/0x1580 [ 3761.095478][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3761.095478][ T10] ip6_route_add+0x1c/0x140 [ 3761.095478][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3761.095478][ T10] addrconf_add_dev+0xe2/0x170 [ 3761.095478][ T10] inet6_addr_add+0x12f/0xa40 [ 3761.095478][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3761.095478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.095478][ T10] netlink_rcv_skb+0x130/0x360 [ 3761.095478][ T10] netlink_unicast+0x449/0x710 [ 3761.095478][ T10] netlink_sendmsg+0x723/0xbe0 [ 3761.095478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3761.095478][ T10] ___sys_sendmsg+0xee/0x170 [ 3761.095478][ T10] __sys_sendmsg+0xcd/0x170 [ 3761.095478][ T10] do_syscall_64+0xc6/0x1e0 [ 3761.095478][ T10] [ 3761.097431][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3761.097431][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3761.097431][ T10] ipv6_find_idev+0x102/0x170 [ 3761.097431][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3761.097431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.097431][ T10] netlink_rcv_skb+0x130/0x360 [ 3761.097431][ T10] netlink_unicast+0x449/0x710 [ 3761.097431][ T10] netlink_sendmsg+0x723/0xbe0 [ 3761.097431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3761.097431][ T10] ___sys_sendmsg+0xee/0x170 [ 3761.097431][ T10] __sys_sendmsg+0xcd/0x170 [ 3761.097431][ T10] do_syscall_64+0xc6/0x1e0 [ 3761.097431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3761.097431][ T10] [ 3761.098961][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3761.098961][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3761.098961][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3761.098961][ T10] ipv6_find_idev+0x102/0x170 [ 3761.098961][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3761.098961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.098961][ T10] netlink_rcv_skb+0x130/0x360 [ 3761.098961][ T10] netlink_unicast+0x449/0x710 [ 3761.098961][ T10] netlink_sendmsg+0x723/0xbe0 [ 3761.098961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3761.098961][ T10] ___sys_sendmsg+0xee/0x170 [ 3761.098961][ T10] __sys_sendmsg+0xcd/0x170 [ 3761.098961][ T10] do_syscall_64+0xc6/0x1e0 [ 3761.098961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3761.098961][ T10] [ 3761.100655][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3761.100899][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3761.100899][ T10] netdev_get_by_index+0x5e/0x80 [ 3761.100899][ T10] fib6_nh_init+0x3d8/0x1580 [ 3761.100899][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3761.100899][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3761.100899][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3761.100899][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3761.100899][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3761.100899][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3761.100899][ T10] addrconf_dad_begin+0x310/0x670 [ 3761.100899][ T10] addrconf_dad_work+0x10b/0xab0 [ 3761.100899][ T10] process_one_work+0x84d/0x18a0 [ 3761.100899][ T10] worker_thread+0x587/0xd30 [ 3761.100899][ T10] kthread+0x28a/0x350 [ 3761.100899][ T10] ret_from_fork+0x31/0x70 [ 3761.100899][ T10] ret_from_fork_asm+0x1a/0x30 [ 3761.100899][ T10] [ 3761.103315][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3761.103315][ T10] netdev_get_by_index+0x5e/0x80 [ 3761.103315][ T10] fib6_nh_init+0x3d8/0x1580 [ 3761.103315][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3761.103315][ T10] ip6_route_add+0x1c/0x140 [ 3761.103315][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3761.103315][ T10] inet6_addr_add+0x4f8/0xa40 [ 3761.103315][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3761.103315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.103315][ T10] netlink_rcv_skb+0x130/0x360 [ 3761.103315][ T10] netlink_unicast+0x449/0x710 [ 3761.103315][ T10] netlink_sendmsg+0x723/0xbe0 [ 3761.103315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3761.103315][ T10] ___sys_sendmsg+0xee/0x170 [ 3761.103315][ T10] __sys_sendmsg+0xcd/0x170 [ 3761.103315][ T10] do_syscall_64+0xc6/0x1e0 [ 3761.103315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3761.103315][ T10] [ 3761.105289][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3761.105289][ T10] netdev_get_by_index+0x5e/0x80 [ 3761.105289][ T10] fib6_nh_init+0x3d8/0x1580 [ 3761.105289][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3761.105289][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3761.105289][ T10] ipv6_add_addr+0x411/0x2000 [ 3761.105289][ T10] inet6_addr_add+0x30e/0xa40 [ 3761.105289][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3761.105289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.105289][ T10] netlink_rcv_skb+0x130/0x360 [ 3761.105289][ T10] netlink_unicast+0x449/0x710 [ 3761.105289][ T10] netlink_sendmsg+0x723/0xbe0 [ 3761.105289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3761.105289][ T10] ___sys_sendmsg+0xee/0x170 [ 3761.105289][ T10] __sys_sendmsg+0xcd/0x170 [ 3761.105289][ T10] do_syscall_64+0xc6/0x1e0 [ 3761.105289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3761.105289][ T10] [ 3761.107269][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3761.107269][ T10] netdev_get_by_index+0x5e/0x80 [ 3761.107269][ T10] fib6_nh_init+0x3d8/0x1580 [ 3761.107269][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3761.107269][ T10] ip6_route_add+0x1c/0x140 [ 3761.107269][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3761.107269][ T10] addrconf_add_dev+0xe2/0x170 [ 3761.107269][ T10] inet6_addr_add+0x12f/0xa40 [ 3761.107269][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3761.107269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.107269][ T10] netlink_rcv_skb+0x130/0x360 [ 3761.107269][ T10] netlink_unicast+0x449/0x710 [ 3761.107269][ T10] netlink_sendmsg+0x723/0xbe0 [ 3761.107269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3761.107269][ T10] ___sys_sendmsg+0xee/0x170 [ 3761.107269][ T10] __sys_sendmsg+0xcd/0x170 [ 3761.107269][ T10] do_syscall_64+0xc6/0x1e0 [ 3761.107269][ T10] [ 3761.109205][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3761.109205][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3761.109205][ T10] ipv6_find_idev+0x102/0x170 [ 3761.109205][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3761.109205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.109205][ T10] netlink_rcv_skb+0x130/0x360 [ 3761.109205][ T10] netlink_unicast+0x449/0x710 [ 3761.109205][ T10] netlink_sendmsg+0x723/0xbe0 [ 3761.109205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3761.109205][ T10] ___sys_sendmsg+0xee/0x170 [ 3761.109205][ T10] __sys_sendmsg+0xcd/0x170 [ 3761.109205][ T10] do_syscall_64+0xc6/0x1e0 [ 3761.109205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3761.109205][ T10] [ 3761.111099][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3761.111099][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3761.111099][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3761.111099][ T10] ipv6_find_idev+0x102/0x170 [ 3761.111099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3761.111099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.111099][ T10] netlink_rcv_skb+0x130/0x360 [ 3761.111099][ T10] netlink_unicast+0x449/0x710 [ 3761.111099][ T10] netlink_sendmsg+0x723/0xbe0 [ 3761.111099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3761.111099][ T10] ___sys_sendmsg+0xee/0x170 [ 3761.111099][ T10] __sys_sendmsg+0xcd/0x170 [ 3761.111099][ T10] do_syscall_64+0xc6/0x1e0 [ 3761.111099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3761.111099][ T10] [ 3761.112764][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3761.113003][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3761.113003][ T10] netdev_get_by_index+0x5e/0x80 [ 3761.113003][ T10] fib6_nh_init+0x3d8/0x1580 [ 3761.113003][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3761.113003][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3761.113003][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3761.113003][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3761.113003][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3761.113003][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3761.113003][ T10] addrconf_dad_begin+0x310/0x670 [ 3761.113003][ T10] addrconf_dad_work+0x10b/0xab0 [ 3761.113003][ T10] process_one_work+0x84d/0x18a0 [ 3761.113003][ T10] worker_thread+0x587/0xd30 [ 3761.113003][ T10] kthread+0x28a/0x350 [ 3761.113003][ T10] ret_from_fork+0x31/0x70 [ 3761.113003][ T10] ret_from_fork_asm+0x1a/0x30 [ 3761.113003][ T10] [ 3761.114894][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3761.114894][ T10] netdev_get_by_index+0x5e/0x80 [ 3761.114894][ T10] fib6_nh_init+0x3d8/0x1580 [ 3761.114894][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3761.114894][ T10] ip6_route_add+0x1c/0x140 [ 3761.114894][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3761.114894][ T10] inet6_addr_add+0x4f8/0xa40 [ 3761.114894][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3761.114894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.114894][ T10] netlink_rcv_skb+0x130/0x360 [ 3761.114894][ T10] netlink_unicast+0x449/0x710 [ 3761.114894][ T10] netlink_sendmsg+0x723/0xbe0 [ 3761.114894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3761.114894][ T10] ___sys_sendmsg+0xee/0x170 [ 3761.114894][ T10] __sys_sendmsg+0xcd/0x170 [ 3761.114894][ T10] do_syscall_64+0xc6/0x1e0 [ 3761.114894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3761.114894][ T10] [ 3761.117001][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3761.117001][ T10] netdev_get_by_index+0x5e/0x80 [ 3761.117001][ T10] fib6_nh_init+0x3d8/0x1580 [ 3761.117001][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3761.117001][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3761.117001][ T10] ipv6_add_addr+0x411/0x2000 [ 3761.117001][ T10] inet6_addr_add+0x30e/0xa40 [ 3761.117001][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3761.117001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.117001][ T10] netlink_rcv_skb+0x130/0x360 [ 3761.117001][ T10] netlink_unicast+0x449/0x710 [ 3761.117001][ T10] netlink_sendmsg+0x723/0xbe0 [ 3761.117001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3761.117001][ T10] ___sys_sendmsg+0xee/0x170 [ 3761.117001][ T10] __sys_sendmsg+0xcd/0x170 [ 3761.117001][ T10] do_syscall_64+0xc6/0x1e0 [ 3761.117001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3761.117001][ T10] [ 3761.119097][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3761.119097][ T10] netdev_get_by_index+0x5e/0x80 [ 3761.119097][ T10] fib6_nh_init+0x3d8/0x1580 [ 3761.119097][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3761.119097][ T10] ip6_route_add+0x1c/0x140 [ 3761.119097][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3761.119097][ T10] addrconf_add_dev+0xe2/0x170 [ 3761.119097][ T10] inet6_addr_add+0x12f/0xa40 [ 3761.119097][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3761.119097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.119097][ T10] netlink_rcv_skb+0x130/0x360 [ 3761.119097][ T10] netlink_unicast+0x449/0x710 [ 3761.119097][ T10] netlink_sendmsg+0x723/0xbe0 [ 3761.119097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3761.119097][ T10] ___sys_sendmsg+0xee/0x170 [ 3761.119097][ T10] __sys_sendmsg+0xcd/0x170 [ 3761.119097][ T10] do_syscall_64+0xc6/0x1e0 [ 3761.119097][ T10] [ 3761.121166][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3761.121166][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3761.121166][ T10] ipv6_find_idev+0x102/0x170 [ 3761.121166][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3761.121166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.121166][ T10] netlink_rcv_skb+0x130/0x360 [ 3761.121166][ T10] netlink_unicast+0x449/0x710 [ 3761.121166][ T10] netlink_sendmsg+0x723/0xbe0 [ 3761.121166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3761.121166][ T10] ___sys_sendmsg+0xee/0x170 [ 3761.121166][ T10] __sys_sendmsg+0xcd/0x170 [ 3761.121166][ T10] do_syscall_64+0xc6/0x1e0 [ 3761.121166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3761.121166][ T10] [ 3761.122747][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3761.122747][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3761.122747][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3761.122747][ T10] ipv6_find_idev+0x102/0x170 [ 3761.122747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3761.122747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.122747][ T10] netlink_rcv_skb+0x130/0x360 [ 3761.122747][ T10] netlink_unicast+0x449/0x710 [ 3761.122747][ T10] netlink_sendmsg+0x723/0xbe0 [ 3761.122747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3761.122747][ T10] ___sys_sendmsg+0xee/0x170 [ 3761.122747][ T10] __sys_sendmsg+0xcd/0x170 [ 3761.122747][ T10] do_syscall_64+0xc6/0x1e0 [ 3761.122747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3761.122747][ T10] [ 3761.124532][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3761.124764][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3761.124764][ T10] netdev_get_by_index+0x5e/0x80 [ 3761.124764][ T10] fib6_nh_init+0x3d8/0x1580 [ 3761.124764][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3761.124764][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3761.124764][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3761.124764][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3761.124764][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3761.124764][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3761.124764][ T10] addrconf_dad_begin+0x310/0x670 [ 3761.124764][ T10] addrconf_dad_work+0x10b/0xab0 [ 3761.124764][ T10] process_one_work+0x84d/0x18a0 [ 3761.124764][ T10] worker_thread+0x587/0xd30 [ 3761.124764][ T10] kthread+0x28a/0x350 [ 3761.124764][ T10] ret_from_fork+0x31/0x70 [ 3761.124764][ T10] ret_from_fork_asm+0x1a/0x30 [ 3761.124764][ T10] [ 3761.126770][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3761.126770][ T10] netdev_get_by_index+0x5e/0x80 [ 3761.126770][ T10] fib6_nh_init+0x3d8/0x1580 [ 3761.126770][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3761.126770][ T10] ip6_route_add+0x1c/0x140 [ 3761.126770][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3761.126770][ T10] inet6_addr_add+0x4f8/0xa40 [ 3761.126770][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3761.126770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.126770][ T10] netlink_rcv_skb+0x130/0x360 [ 3761.126770][ T10] netlink_unicast+0x449/0x710 [ 3761.126770][ T10] netlink_sendmsg+0x723/0xbe0 [ 3761.126770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3761.126770][ T10] ___sys_sendmsg+0xee/0x170 [ 3761.126770][ T10] __sys_sendmsg+0xcd/0x170 [ 3761.126770][ T10] do_syscall_64+0xc6/0x1e0 [ 3761.126770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3761.126770][ T10] [ 3761.128871][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3761.128871][ T10] netdev_get_by_index+0x5e/0x80 [ 3761.128871][ T10] fib6_nh_init+0x3d8/0x1580 [ 3761.128871][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3761.128871][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3761.128871][ T10] ipv6_add_addr+0x411/0x2000 [ 3761.128871][ T10] inet6_addr_add+0x30e/0xa40 [ 3761.128871][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3761.128871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.128871][ T10] netlink_rcv_skb+0x130/0x360 [ 3761.128871][ T10] netlink_unicast+0x449/0x710 [ 3761.128871][ T10] netlink_sendmsg+0x723/0xbe0 [ 3761.128871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3761.128871][ T10] ___sys_sendmsg+0xee/0x170 [ 3761.128871][ T10] __sys_sendmsg+0xcd/0x170 [ 3761.128871][ T10] do_syscall_64+0xc6/0x1e0 [ 3761.128871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3761.128871][ T10] [ 3761.130979][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3761.130979][ T10] netdev_get_by_index+0x5e/0x80 [ 3761.130979][ T10] fib6_nh_init+0x3d8/0x1580 [ 3761.130979][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3761.130979][ T10] ip6_route_add+0x1c/0x140 [ 3761.130979][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3761.130979][ T10] addrconf_add_dev+0xe2/0x170 [ 3761.130979][ T10] inet6_addr_add+0x12f/0xa40 [ 3761.130979][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3761.130979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.130979][ T10] netlink_rcv_skb+0x130/0x360 [ 3761.130979][ T10] netlink_unicast+0x449/0x710 [ 3761.130979][ T10] netlink_sendmsg+0x723/0xbe0 [ 3761.130979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3761.130979][ T10] ___sys_sendmsg+0xee/0x170 [ 3761.130979][ T10] __sys_sendmsg+0xcd/0x170 [ 3761.130979][ T10] do_syscall_64+0xc6/0x1e0 [ 3761.130979][ T10] [ 3761.133043][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3761.133043][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3761.133043][ T10] ipv6_find_idev+0x102/0x170 [ 3761.133043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3761.133043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.133043][ T10] netlink_rcv_skb+0x130/0x360 [ 3761.133043][ T10] netlink_unicast+0x449/0x710 [ 3761.133043][ T10] netlink_sendmsg+0x723/0xbe0 [ 3761.133043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3761.133043][ T10] ___sys_sendmsg+0xee/0x170 [ 3761.133043][ T10] __sys_sendmsg+0xcd/0x170 [ 3761.133043][ T10] do_syscall_64+0xc6/0x1e0 [ 3761.133043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3761.133043][ T10] [ 3761.134623][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3761.134623][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3761.134623][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3761.134623][ T10] ipv6_find_idev+0x102/0x170 [ 3761.134623][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3761.134623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.134623][ T10] netlink_rcv_skb+0x130/0x360 [ 3761.134623][ T10] netlink_unicast+0x449/0x710 [ 3761.134623][ T10] netlink_sendmsg+0x723/0xbe0 [ 3761.134623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3761.134623][ T10] ___sys_sendmsg+0xee/0x170 [ 3761.134623][ T10] __sys_sendmsg+0xcd/0x170 [ 3761.134623][ T10] do_syscall_64+0xc6/0x1e0 [ 3761.134623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3761.134623][ T10] [ 3769.689181][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3769.689618][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3769.689618][ T1167] dst_init+0x84/0x4a0 [ 3769.689618][ T1167] dst_alloc+0x97/0x150 [ 3769.689618][ T1167] ip6_dst_alloc+0x23/0x90 [ 3769.689618][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3769.689618][ T1167] ip6_pol_route+0x56f/0x840 [ 3769.689618][ T1167] fib6_rule_lookup+0x334/0x630 [ 3769.689618][ T1167] ip6_route_output_flags+0x259/0x480 [ 3769.689618][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3769.689618][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3769.689618][ T1167] netlink_rcv_skb+0x130/0x360 [ 3769.689618][ T1167] netlink_unicast+0x449/0x710 [ 3769.689618][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3769.689618][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3769.689618][ T1167] ___sys_sendmsg+0xee/0x170 [ 3769.689618][ T1167] __sys_sendmsg+0xcd/0x170 [ 3769.689618][ T1167] do_syscall_64+0xc6/0x1e0 [ 3769.689618][ T1167] [ 3769.692251][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3769.692251][ T1167] netdev_get_by_index+0x5e/0x80 [ 3769.692251][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3769.692251][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3769.692251][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3769.692251][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3769.692251][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3769.692251][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3769.692251][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3769.692251][ T1167] addrconf_dad_begin+0x310/0x670 [ 3769.692251][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3769.692251][ T1167] process_one_work+0x84d/0x18a0 [ 3769.692251][ T1167] worker_thread+0x587/0xd30 [ 3769.692251][ T1167] kthread+0x28a/0x350 [ 3769.692251][ T1167] ret_from_fork+0x31/0x70 [ 3769.692251][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3769.692251][ T1167] [ 3769.694427][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3769.694427][ T1167] netdev_get_by_index+0x5e/0x80 [ 3769.694427][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3769.694427][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3769.694427][ T1167] ip6_route_add+0x1c/0x140 [ 3769.694427][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3769.694427][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3769.694427][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3769.694427][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3769.694427][ T1167] netlink_rcv_skb+0x130/0x360 [ 3769.694427][ T1167] netlink_unicast+0x449/0x710 [ 3769.694427][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3769.694427][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3769.694427][ T1167] ___sys_sendmsg+0xee/0x170 [ 3769.694427][ T1167] __sys_sendmsg+0xcd/0x170 [ 3769.694427][ T1167] do_syscall_64+0xc6/0x1e0 [ 3769.694427][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3769.694427][ T1167] [ 3769.696683][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3769.696683][ T1167] netdev_get_by_index+0x5e/0x80 [ 3769.696683][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3769.696683][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3769.696683][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3769.696683][ T1167] ipv6_add_addr+0x411/0x2000 [ 3769.696683][ T1167] inet6_addr_add+0x30e/0xa40 [ 3769.696683][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3769.696683][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3769.696683][ T1167] netlink_rcv_skb+0x130/0x360 [ 3769.696683][ T1167] netlink_unicast+0x449/0x710 [ 3769.696683][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3769.696683][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3769.696683][ T1167] ___sys_sendmsg+0xee/0x170 [ 3769.696683][ T1167] __sys_sendmsg+0xcd/0x170 [ 3769.696683][ T1167] do_syscall_64+0xc6/0x1e0 [ 3769.696683][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3769.696683][ T1167] [ 3769.698940][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3769.698940][ T1167] netdev_get_by_index+0x5e/0x80 [ 3769.698940][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3769.698940][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3769.698940][ T1167] ip6_route_add+0x1c/0x140 [ 3769.698940][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3769.698940][ T1167] addrconf_add_dev+0xe2/0x170 [ 3769.698940][ T1167] inet6_addr_add+0x12f/0xa40 [ 3769.698940][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3769.698940][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3769.698940][ T1167] netlink_rcv_skb+0x130/0x360 [ 3769.698940][ T1167] netlink_unicast+0x449/0x710 [ 3769.698940][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3769.698940][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3769.698940][ T1167] ___sys_sendmsg+0xee/0x170 [ 3769.698940][ T1167] __sys_sendmsg+0xcd/0x170 [ 3769.698940][ T1167] do_syscall_64+0xc6/0x1e0 [ 3769.698940][ T1167] [ 3769.701167][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3769.701167][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3769.701167][ T1167] ipv6_find_idev+0x102/0x170 [ 3769.701167][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3769.701167][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3769.701167][ T1167] netlink_rcv_skb+0x130/0x360 [ 3769.701167][ T1167] netlink_unicast+0x449/0x710 [ 3769.701167][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3769.701167][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3769.701167][ T1167] ___sys_sendmsg+0xee/0x170 [ 3769.701167][ T1167] __sys_sendmsg+0xcd/0x170 [ 3769.701167][ T1167] do_syscall_64+0xc6/0x1e0 [ 3769.701167][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3769.701167][ T1167] [ 3769.702905][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3769.702905][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3769.702905][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3769.702905][ T1167] ipv6_find_idev+0x102/0x170 [ 3769.702905][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3769.702905][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3769.702905][ T1167] netlink_rcv_skb+0x130/0x360 [ 3769.702905][ T1167] netlink_unicast+0x449/0x710 [ 3769.702905][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3769.702905][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3769.702905][ T1167] ___sys_sendmsg+0xee/0x170 [ 3769.702905][ T1167] __sys_sendmsg+0xcd/0x170 [ 3769.702905][ T1167] do_syscall_64+0xc6/0x1e0 [ 3769.702905][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3769.702905][ T1167] [ 3771.377070][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3771.377502][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3771.377502][ T10] netdev_get_by_index+0x5e/0x80 [ 3771.377502][ T10] fib6_nh_init+0x3d8/0x1580 [ 3771.377502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3771.377502][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3771.377502][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3771.377502][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3771.377502][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3771.377502][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3771.377502][ T10] addrconf_dad_begin+0x310/0x670 [ 3771.377502][ T10] addrconf_dad_work+0x10b/0xab0 [ 3771.377502][ T10] process_one_work+0x84d/0x18a0 [ 3771.377502][ T10] worker_thread+0x587/0xd30 [ 3771.377502][ T10] kthread+0x28a/0x350 [ 3771.377502][ T10] ret_from_fork+0x31/0x70 [ 3771.377502][ T10] ret_from_fork_asm+0x1a/0x30 [ 3771.377502][ T10] [ 3771.379435][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3771.379435][ T10] netdev_get_by_index+0x5e/0x80 [ 3771.379435][ T10] fib6_nh_init+0x3d8/0x1580 [ 3771.379435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3771.379435][ T10] ip6_route_add+0x1c/0x140 [ 3771.379435][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3771.379435][ T10] inet6_addr_add+0x4f8/0xa40 [ 3771.379435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3771.379435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.379435][ T10] netlink_rcv_skb+0x130/0x360 [ 3771.379435][ T10] netlink_unicast+0x449/0x710 [ 3771.379435][ T10] netlink_sendmsg+0x723/0xbe0 [ 3771.379435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3771.379435][ T10] ___sys_sendmsg+0xee/0x170 [ 3771.379435][ T10] __sys_sendmsg+0xcd/0x170 [ 3771.379435][ T10] do_syscall_64+0xc6/0x1e0 [ 3771.379435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3771.379435][ T10] [ 3771.381472][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3771.381472][ T10] netdev_get_by_index+0x5e/0x80 [ 3771.381472][ T10] fib6_nh_init+0x3d8/0x1580 [ 3771.381472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3771.381472][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3771.381472][ T10] ipv6_add_addr+0x411/0x2000 [ 3771.381472][ T10] inet6_addr_add+0x30e/0xa40 [ 3771.381472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3771.381472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.381472][ T10] netlink_rcv_skb+0x130/0x360 [ 3771.381472][ T10] netlink_unicast+0x449/0x710 [ 3771.381472][ T10] netlink_sendmsg+0x723/0xbe0 [ 3771.381472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3771.381472][ T10] ___sys_sendmsg+0xee/0x170 [ 3771.381472][ T10] __sys_sendmsg+0xcd/0x170 [ 3771.381472][ T10] do_syscall_64+0xc6/0x1e0 [ 3771.381472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3771.381472][ T10] [ 3771.383463][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3771.383463][ T10] netdev_get_by_index+0x5e/0x80 [ 3771.383463][ T10] fib6_nh_init+0x3d8/0x1580 [ 3771.383463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3771.383463][ T10] ip6_route_add+0x1c/0x140 [ 3771.383463][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3771.383463][ T10] addrconf_add_dev+0xe2/0x170 [ 3771.383463][ T10] inet6_addr_add+0x12f/0xa40 [ 3771.383463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3771.383463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.383463][ T10] netlink_rcv_skb+0x130/0x360 [ 3771.383463][ T10] netlink_unicast+0x449/0x710 [ 3771.383463][ T10] netlink_sendmsg+0x723/0xbe0 [ 3771.383463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3771.383463][ T10] ___sys_sendmsg+0xee/0x170 [ 3771.383463][ T10] __sys_sendmsg+0xcd/0x170 [ 3771.383463][ T10] do_syscall_64+0xc6/0x1e0 [ 3771.383463][ T10] [ 3771.385430][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3771.385430][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3771.385430][ T10] ipv6_find_idev+0x102/0x170 [ 3771.385430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3771.385430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.385430][ T10] netlink_rcv_skb+0x130/0x360 [ 3771.385430][ T10] netlink_unicast+0x449/0x710 [ 3771.385430][ T10] netlink_sendmsg+0x723/0xbe0 [ 3771.385430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3771.385430][ T10] ___sys_sendmsg+0xee/0x170 [ 3771.385430][ T10] __sys_sendmsg+0xcd/0x170 [ 3771.385430][ T10] do_syscall_64+0xc6/0x1e0 [ 3771.385430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3771.385430][ T10] [ 3771.386967][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3771.386967][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3771.386967][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3771.386967][ T10] ipv6_find_idev+0x102/0x170 [ 3771.386967][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3771.386967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.386967][ T10] netlink_rcv_skb+0x130/0x360 [ 3771.386967][ T10] netlink_unicast+0x449/0x710 [ 3771.386967][ T10] netlink_sendmsg+0x723/0xbe0 [ 3771.386967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3771.386967][ T10] ___sys_sendmsg+0xee/0x170 [ 3771.386967][ T10] __sys_sendmsg+0xcd/0x170 [ 3771.386967][ T10] do_syscall_64+0xc6/0x1e0 [ 3771.386967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3771.386967][ T10] [ 3771.388654][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3771.388898][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3771.388898][ T10] netdev_get_by_index+0x5e/0x80 [ 3771.388898][ T10] fib6_nh_init+0x3d8/0x1580 [ 3771.388898][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3771.388898][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3771.388898][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3771.388898][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3771.388898][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3771.388898][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3771.388898][ T10] addrconf_dad_begin+0x310/0x670 [ 3771.388898][ T10] addrconf_dad_work+0x10b/0xab0 [ 3771.388898][ T10] process_one_work+0x84d/0x18a0 [ 3771.388898][ T10] worker_thread+0x587/0xd30 [ 3771.388898][ T10] kthread+0x28a/0x350 [ 3771.388898][ T10] ret_from_fork+0x31/0x70 [ 3771.388898][ T10] ret_from_fork_asm+0x1a/0x30 [ 3771.388898][ T10] [ 3771.390821][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3771.390821][ T10] netdev_get_by_index+0x5e/0x80 [ 3771.390821][ T10] fib6_nh_init+0x3d8/0x1580 [ 3771.390821][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3771.390821][ T10] ip6_route_add+0x1c/0x140 [ 3771.390821][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3771.390821][ T10] inet6_addr_add+0x4f8/0xa40 [ 3771.390821][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3771.390821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.390821][ T10] netlink_rcv_skb+0x130/0x360 [ 3771.390821][ T10] netlink_unicast+0x449/0x710 [ 3771.390821][ T10] netlink_sendmsg+0x723/0xbe0 [ 3771.390821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3771.390821][ T10] ___sys_sendmsg+0xee/0x170 [ 3771.390821][ T10] __sys_sendmsg+0xcd/0x170 [ 3771.390821][ T10] do_syscall_64+0xc6/0x1e0 [ 3771.390821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3771.390821][ T10] [ 3771.392823][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3771.392823][ T10] netdev_get_by_index+0x5e/0x80 [ 3771.392823][ T10] fib6_nh_init+0x3d8/0x1580 [ 3771.392823][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3771.392823][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3771.392823][ T10] ipv6_add_addr+0x411/0x2000 [ 3771.392823][ T10] inet6_addr_add+0x30e/0xa40 [ 3771.392823][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3771.392823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.392823][ T10] netlink_rcv_skb+0x130/0x360 [ 3771.392823][ T10] netlink_unicast+0x449/0x710 [ 3771.392823][ T10] netlink_sendmsg+0x723/0xbe0 [ 3771.392823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3771.392823][ T10] ___sys_sendmsg+0xee/0x170 [ 3771.392823][ T10] __sys_sendmsg+0xcd/0x170 [ 3771.392823][ T10] do_syscall_64+0xc6/0x1e0 [ 3771.392823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3771.392823][ T10] [ 3771.394826][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3771.394826][ T10] netdev_get_by_index+0x5e/0x80 [ 3771.394826][ T10] fib6_nh_init+0x3d8/0x1580 [ 3771.394826][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3771.394826][ T10] ip6_route_add+0x1c/0x140 [ 3771.394826][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3771.394826][ T10] addrconf_add_dev+0xe2/0x170 [ 3771.394826][ T10] inet6_addr_add+0x12f/0xa40 [ 3771.394826][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3771.394826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.394826][ T10] netlink_rcv_skb+0x130/0x360 [ 3771.394826][ T10] netlink_unicast+0x449/0x710 [ 3771.394826][ T10] netlink_sendmsg+0x723/0xbe0 [ 3771.394826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3771.394826][ T10] ___sys_sendmsg+0xee/0x170 [ 3771.394826][ T10] __sys_sendmsg+0xcd/0x170 [ 3771.394826][ T10] do_syscall_64+0xc6/0x1e0 [ 3771.394826][ T10] [ 3771.396789][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3771.396789][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3771.396789][ T10] ipv6_find_idev+0x102/0x170 [ 3771.396789][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3771.396789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.396789][ T10] netlink_rcv_skb+0x130/0x360 [ 3771.396789][ T10] netlink_unicast+0x449/0x710 [ 3771.396789][ T10] netlink_sendmsg+0x723/0xbe0 [ 3771.396789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3771.396789][ T10] ___sys_sendmsg+0xee/0x170 [ 3771.396789][ T10] __sys_sendmsg+0xcd/0x170 [ 3771.396789][ T10] do_syscall_64+0xc6/0x1e0 [ 3771.396789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3771.396789][ T10] [ 3771.398328][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3771.398328][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3771.398328][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3771.398328][ T10] ipv6_find_idev+0x102/0x170 [ 3771.398328][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3771.398328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.398328][ T10] netlink_rcv_skb+0x130/0x360 [ 3771.398328][ T10] netlink_unicast+0x449/0x710 [ 3771.398328][ T10] netlink_sendmsg+0x723/0xbe0 [ 3771.398328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3771.398328][ T10] ___sys_sendmsg+0xee/0x170 [ 3771.398328][ T10] __sys_sendmsg+0xcd/0x170 [ 3771.398328][ T10] do_syscall_64+0xc6/0x1e0 [ 3771.398328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3771.398328][ T10] [ 3771.400010][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3771.400256][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3771.400256][ T10] netdev_get_by_index+0x5e/0x80 [ 3771.400256][ T10] fib6_nh_init+0x3d8/0x1580 [ 3771.400256][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3771.400256][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3771.400256][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3771.400256][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3771.400256][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3771.400256][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3771.400256][ T10] addrconf_dad_begin+0x310/0x670 [ 3771.400256][ T10] addrconf_dad_work+0x10b/0xab0 [ 3771.400256][ T10] process_one_work+0x84d/0x18a0 [ 3771.400256][ T10] worker_thread+0x587/0xd30 [ 3771.400256][ T10] kthread+0x28a/0x350 [ 3771.400256][ T10] ret_from_fork+0x31/0x70 [ 3771.400256][ T10] ret_from_fork_asm+0x1a/0x30 [ 3771.400256][ T10] [ 3771.402148][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3771.402148][ T10] netdev_get_by_index+0x5e/0x80 [ 3771.402148][ T10] fib6_nh_init+0x3d8/0x1580 [ 3771.402148][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3771.402148][ T10] ip6_route_add+0x1c/0x140 [ 3771.402148][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3771.402148][ T10] inet6_addr_add+0x4f8/0xa40 [ 3771.402148][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3771.402148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.402148][ T10] netlink_rcv_skb+0x130/0x360 [ 3771.402148][ T10] netlink_unicast+0x449/0x710 [ 3771.402148][ T10] netlink_sendmsg+0x723/0xbe0 [ 3771.402148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3771.402148][ T10] ___sys_sendmsg+0xee/0x170 [ 3771.402148][ T10] __sys_sendmsg+0xcd/0x170 [ 3771.402148][ T10] do_syscall_64+0xc6/0x1e0 [ 3771.402148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3771.402148][ T10] [ 3771.404312][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3771.404312][ T10] netdev_get_by_index+0x5e/0x80 [ 3771.404312][ T10] fib6_nh_init+0x3d8/0x1580 [ 3771.404312][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3771.404312][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3771.404312][ T10] ipv6_add_addr+0x411/0x2000 [ 3771.404312][ T10] inet6_addr_add+0x30e/0xa40 [ 3771.404312][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3771.404312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.404312][ T10] netlink_rcv_skb+0x130/0x360 [ 3771.404312][ T10] netlink_unicast+0x449/0x710 [ 3771.404312][ T10] netlink_sendmsg+0x723/0xbe0 [ 3771.404312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3771.404312][ T10] ___sys_sendmsg+0xee/0x170 [ 3771.404312][ T10] __sys_sendmsg+0xcd/0x170 [ 3771.404312][ T10] do_syscall_64+0xc6/0x1e0 [ 3771.404312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3771.404312][ T10] [ 3771.406545][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3771.406545][ T10] netdev_get_by_index+0x5e/0x80 [ 3771.406545][ T10] fib6_nh_init+0x3d8/0x1580 [ 3771.406545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3771.406545][ T10] ip6_route_add+0x1c/0x140 [ 3771.406545][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3771.406545][ T10] addrconf_add_dev+0xe2/0x170 [ 3771.406545][ T10] inet6_addr_add+0x12f/0xa40 [ 3771.406545][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3771.406545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.406545][ T10] netlink_rcv_skb+0x130/0x360 [ 3771.406545][ T10] netlink_unicast+0x449/0x710 [ 3771.406545][ T10] netlink_sendmsg+0x723/0xbe0 [ 3771.406545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3771.406545][ T10] ___sys_sendmsg+0xee/0x170 [ 3771.406545][ T10] __sys_sendmsg+0xcd/0x170 [ 3771.406545][ T10] do_syscall_64+0xc6/0x1e0 [ 3771.406545][ T10] [ 3771.408671][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3771.408671][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3771.408671][ T10] ipv6_find_idev+0x102/0x170 [ 3771.408671][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3771.408671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.408671][ T10] netlink_rcv_skb+0x130/0x360 [ 3771.408671][ T10] netlink_unicast+0x449/0x710 [ 3771.408671][ T10] netlink_sendmsg+0x723/0xbe0 [ 3771.408671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3771.408671][ T10] ___sys_sendmsg+0xee/0x170 [ 3771.408671][ T10] __sys_sendmsg+0xcd/0x170 [ 3771.408671][ T10] do_syscall_64+0xc6/0x1e0 [ 3771.408671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3771.408671][ T10] [ 3771.410394][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3771.410394][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3771.410394][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3771.410394][ T10] ipv6_find_idev+0x102/0x170 [ 3771.410394][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3771.410394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.410394][ T10] netlink_rcv_skb+0x130/0x360 [ 3771.410394][ T10] netlink_unicast+0x449/0x710 [ 3771.410394][ T10] netlink_sendmsg+0x723/0xbe0 [ 3771.410394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3771.410394][ T10] ___sys_sendmsg+0xee/0x170 [ 3771.410394][ T10] __sys_sendmsg+0xcd/0x170 [ 3771.410394][ T10] do_syscall_64+0xc6/0x1e0 [ 3771.410394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3771.410394][ T10] [ 3771.412323][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3771.412558][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3771.412558][ T10] netdev_get_by_index+0x5e/0x80 [ 3771.412558][ T10] fib6_nh_init+0x3d8/0x1580 [ 3771.412558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3771.412558][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3771.412558][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3771.412558][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3771.412558][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3771.412558][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3771.412558][ T10] addrconf_dad_begin+0x310/0x670 [ 3771.412558][ T10] addrconf_dad_work+0x10b/0xab0 [ 3771.412558][ T10] process_one_work+0x84d/0x18a0 [ 3771.412558][ T10] worker_thread+0x587/0xd30 [ 3771.412558][ T10] kthread+0x28a/0x350 [ 3771.412558][ T10] ret_from_fork+0x31/0x70 [ 3771.412558][ T10] ret_from_fork_asm+0x1a/0x30 [ 3771.412558][ T10] [ 3771.414694][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3771.414694][ T10] netdev_get_by_index+0x5e/0x80 [ 3771.414694][ T10] fib6_nh_init+0x3d8/0x1580 [ 3771.414694][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3771.414694][ T10] ip6_route_add+0x1c/0x140 [ 3771.414694][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3771.414694][ T10] inet6_addr_add+0x4f8/0xa40 [ 3771.414694][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3771.414694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.414694][ T10] netlink_rcv_skb+0x130/0x360 [ 3771.414694][ T10] netlink_unicast+0x449/0x710 [ 3771.414694][ T10] netlink_sendmsg+0x723/0xbe0 [ 3771.414694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3771.414694][ T10] ___sys_sendmsg+0xee/0x170 [ 3771.414694][ T10] __sys_sendmsg+0xcd/0x170 [ 3771.414694][ T10] do_syscall_64+0xc6/0x1e0 [ 3771.414694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3771.414694][ T10] [ 3771.417435][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3771.417435][ T10] netdev_get_by_index+0x5e/0x80 [ 3771.417435][ T10] fib6_nh_init+0x3d8/0x1580 [ 3771.417435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3771.417435][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3771.417435][ T10] ipv6_add_addr+0x411/0x2000 [ 3771.417435][ T10] inet6_addr_add+0x30e/0xa40 [ 3771.417435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3771.417435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.417435][ T10] netlink_rcv_skb+0x130/0x360 [ 3771.417435][ T10] netlink_unicast+0x449/0x710 [ 3771.417435][ T10] netlink_sendmsg+0x723/0xbe0 [ 3771.417435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3771.417435][ T10] ___sys_sendmsg+0xee/0x170 [ 3771.417435][ T10] __sys_sendmsg+0xcd/0x170 [ 3771.417435][ T10] do_syscall_64+0xc6/0x1e0 [ 3771.417435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3771.417435][ T10] [ 3771.419591][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3771.419591][ T10] netdev_get_by_index+0x5e/0x80 [ 3771.419591][ T10] fib6_nh_init+0x3d8/0x1580 [ 3771.419591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3771.419591][ T10] ip6_route_add+0x1c/0x140 [ 3771.419591][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3771.419591][ T10] addrconf_add_dev+0xe2/0x170 [ 3771.419591][ T10] inet6_addr_add+0x12f/0xa40 [ 3771.419591][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3771.419591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.419591][ T10] netlink_rcv_skb+0x130/0x360 [ 3771.419591][ T10] netlink_unicast+0x449/0x710 [ 3771.419591][ T10] netlink_sendmsg+0x723/0xbe0 [ 3771.419591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3771.419591][ T10] ___sys_sendmsg+0xee/0x170 [ 3771.419591][ T10] __sys_sendmsg+0xcd/0x170 [ 3771.419591][ T10] do_syscall_64+0xc6/0x1e0 [ 3771.419591][ T10] [ 3771.421837][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3771.421837][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3771.421837][ T10] ipv6_find_idev+0x102/0x170 [ 3771.421837][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3771.421837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.421837][ T10] netlink_rcv_skb+0x130/0x360 [ 3771.421837][ T10] netlink_unicast+0x449/0x710 [ 3771.421837][ T10] netlink_sendmsg+0x723/0xbe0 [ 3771.421837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3771.421837][ T10] ___sys_sendmsg+0xee/0x170 [ 3771.421837][ T10] __sys_sendmsg+0xcd/0x170 [ 3771.421837][ T10] do_syscall_64+0xc6/0x1e0 [ 3771.421837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3771.421837][ T10] [ 3771.423537][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3771.423537][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3771.423537][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3771.423537][ T10] ipv6_find_idev+0x102/0x170 [ 3771.423537][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3771.423537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.423537][ T10] netlink_rcv_skb+0x130/0x360 [ 3771.423537][ T10] netlink_unicast+0x449/0x710 [ 3771.423537][ T10] netlink_sendmsg+0x723/0xbe0 [ 3771.423537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3771.423537][ T10] ___sys_sendmsg+0xee/0x170 [ 3771.423537][ T10] __sys_sendmsg+0xcd/0x170 [ 3771.423537][ T10] do_syscall_64+0xc6/0x1e0 [ 3771.423537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3771.423537][ T10] [ 3779.849192][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3779.849711][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3779.849711][ T1167] dst_init+0x84/0x4a0 [ 3779.849711][ T1167] dst_alloc+0x97/0x150 [ 3779.849711][ T1167] ip6_dst_alloc+0x23/0x90 [ 3779.849711][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3779.849711][ T1167] ip6_pol_route+0x56f/0x840 [ 3779.849711][ T1167] fib6_rule_lookup+0x334/0x630 [ 3779.849711][ T1167] ip6_route_output_flags+0x259/0x480 [ 3779.849711][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3779.849711][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3779.849711][ T1167] netlink_rcv_skb+0x130/0x360 [ 3779.849711][ T1167] netlink_unicast+0x449/0x710 [ 3779.849711][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3779.849711][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3779.849711][ T1167] ___sys_sendmsg+0xee/0x170 [ 3779.849711][ T1167] __sys_sendmsg+0xcd/0x170 [ 3779.849711][ T1167] do_syscall_64+0xc6/0x1e0 [ 3779.849711][ T1167] [ 3779.851934][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3779.851934][ T1167] netdev_get_by_index+0x5e/0x80 [ 3779.851934][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3779.851934][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3779.851934][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3779.851934][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3779.851934][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3779.851934][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3779.851934][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3779.851934][ T1167] addrconf_dad_begin+0x310/0x670 [ 3779.851934][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3779.851934][ T1167] process_one_work+0x84d/0x18a0 [ 3779.851934][ T1167] worker_thread+0x587/0xd30 [ 3779.851934][ T1167] kthread+0x28a/0x350 [ 3779.851934][ T1167] ret_from_fork+0x31/0x70 [ 3779.851934][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3779.851934][ T1167] [ 3779.854127][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3779.854127][ T1167] netdev_get_by_index+0x5e/0x80 [ 3779.854127][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3779.854127][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3779.854127][ T1167] ip6_route_add+0x1c/0x140 [ 3779.854127][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3779.854127][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3779.854127][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3779.854127][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3779.854127][ T1167] netlink_rcv_skb+0x130/0x360 [ 3779.854127][ T1167] netlink_unicast+0x449/0x710 [ 3779.854127][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3779.854127][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3779.854127][ T1167] ___sys_sendmsg+0xee/0x170 [ 3779.854127][ T1167] __sys_sendmsg+0xcd/0x170 [ 3779.854127][ T1167] do_syscall_64+0xc6/0x1e0 [ 3779.854127][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3779.854127][ T1167] [ 3779.856374][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3779.856374][ T1167] netdev_get_by_index+0x5e/0x80 [ 3779.856374][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3779.856374][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3779.856374][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3779.856374][ T1167] ipv6_add_addr+0x411/0x2000 [ 3779.856374][ T1167] inet6_addr_add+0x30e/0xa40 [ 3779.856374][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3779.856374][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3779.856374][ T1167] netlink_rcv_skb+0x130/0x360 [ 3779.856374][ T1167] netlink_unicast+0x449/0x710 [ 3779.856374][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3779.856374][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3779.856374][ T1167] ___sys_sendmsg+0xee/0x170 [ 3779.856374][ T1167] __sys_sendmsg+0xcd/0x170 [ 3779.856374][ T1167] do_syscall_64+0xc6/0x1e0 [ 3779.856374][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3779.856374][ T1167] [ 3779.858634][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3779.858634][ T1167] netdev_get_by_index+0x5e/0x80 [ 3779.858634][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3779.858634][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3779.858634][ T1167] ip6_route_add+0x1c/0x140 [ 3779.858634][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3779.858634][ T1167] addrconf_add_dev+0xe2/0x170 [ 3779.858634][ T1167] inet6_addr_add+0x12f/0xa40 [ 3779.858634][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3779.858634][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3779.858634][ T1167] netlink_rcv_skb+0x130/0x360 [ 3779.858634][ T1167] netlink_unicast+0x449/0x710 [ 3779.858634][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3779.858634][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3779.858634][ T1167] ___sys_sendmsg+0xee/0x170 [ 3779.858634][ T1167] __sys_sendmsg+0xcd/0x170 [ 3779.858634][ T1167] do_syscall_64+0xc6/0x1e0 [ 3779.858634][ T1167] [ 3779.860848][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3779.860848][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3779.860848][ T1167] ipv6_find_idev+0x102/0x170 [ 3779.860848][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3779.860848][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3779.860848][ T1167] netlink_rcv_skb+0x130/0x360 [ 3779.860848][ T1167] netlink_unicast+0x449/0x710 [ 3779.860848][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3779.860848][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3779.860848][ T1167] ___sys_sendmsg+0xee/0x170 [ 3779.860848][ T1167] __sys_sendmsg+0xcd/0x170 [ 3779.860848][ T1167] do_syscall_64+0xc6/0x1e0 [ 3779.860848][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3779.860848][ T1167] [ 3779.862576][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3779.862576][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3779.862576][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3779.862576][ T1167] ipv6_find_idev+0x102/0x170 [ 3779.862576][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3779.862576][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3779.862576][ T1167] netlink_rcv_skb+0x130/0x360 [ 3779.862576][ T1167] netlink_unicast+0x449/0x710 [ 3779.862576][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3779.862576][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3779.862576][ T1167] ___sys_sendmsg+0xee/0x170 [ 3779.862576][ T1167] __sys_sendmsg+0xcd/0x170 [ 3779.862576][ T1167] do_syscall_64+0xc6/0x1e0 [ 3779.862576][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3779.862576][ T1167] [ 3781.641081][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3781.641429][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3781.641429][ T10] netdev_get_by_index+0x5e/0x80 [ 3781.641429][ T10] fib6_nh_init+0x3d8/0x1580 [ 3781.641429][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3781.641429][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3781.641429][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3781.641429][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3781.641429][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3781.641429][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3781.641429][ T10] addrconf_dad_begin+0x310/0x670 [ 3781.641429][ T10] addrconf_dad_work+0x10b/0xab0 [ 3781.641429][ T10] process_one_work+0x84d/0x18a0 [ 3781.641429][ T10] worker_thread+0x587/0xd30 [ 3781.641429][ T10] kthread+0x28a/0x350 [ 3781.641429][ T10] ret_from_fork+0x31/0x70 [ 3781.641429][ T10] ret_from_fork_asm+0x1a/0x30 [ 3781.641429][ T10] [ 3781.643372][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3781.643372][ T10] netdev_get_by_index+0x5e/0x80 [ 3781.643372][ T10] fib6_nh_init+0x3d8/0x1580 [ 3781.643372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3781.643372][ T10] ip6_route_add+0x1c/0x140 [ 3781.643372][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3781.643372][ T10] inet6_addr_add+0x4f8/0xa40 [ 3781.643372][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3781.643372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3781.643372][ T10] netlink_rcv_skb+0x130/0x360 [ 3781.643372][ T10] netlink_unicast+0x449/0x710 [ 3781.643372][ T10] netlink_sendmsg+0x723/0xbe0 [ 3781.643372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3781.643372][ T10] ___sys_sendmsg+0xee/0x170 [ 3781.643372][ T10] __sys_sendmsg+0xcd/0x170 [ 3781.643372][ T10] do_syscall_64+0xc6/0x1e0 [ 3781.643372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3781.643372][ T10] [ 3781.645362][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3781.645362][ T10] netdev_get_by_index+0x5e/0x80 [ 3781.645362][ T10] fib6_nh_init+0x3d8/0x1580 [ 3781.645362][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3781.645362][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3781.645362][ T10] ipv6_add_addr+0x411/0x2000 [ 3781.645362][ T10] inet6_addr_add+0x30e/0xa40 [ 3781.645362][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3781.645362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3781.645362][ T10] netlink_rcv_skb+0x130/0x360 [ 3781.645362][ T10] netlink_unicast+0x449/0x710 [ 3781.645362][ T10] netlink_sendmsg+0x723/0xbe0 [ 3781.645362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3781.645362][ T10] ___sys_sendmsg+0xee/0x170 [ 3781.645362][ T10] __sys_sendmsg+0xcd/0x170 [ 3781.645362][ T10] do_syscall_64+0xc6/0x1e0 [ 3781.645362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3781.645362][ T10] [ 3781.647356][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3781.647356][ T10] netdev_get_by_index+0x5e/0x80 [ 3781.647356][ T10] fib6_nh_init+0x3d8/0x1580 [ 3781.647356][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3781.647356][ T10] ip6_route_add+0x1c/0x140 [ 3781.647356][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3781.647356][ T10] addrconf_add_dev+0xe2/0x170 [ 3781.647356][ T10] inet6_addr_add+0x12f/0xa40 [ 3781.647356][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3781.647356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3781.647356][ T10] netlink_rcv_skb+0x130/0x360 [ 3781.647356][ T10] netlink_unicast+0x449/0x710 [ 3781.647356][ T10] netlink_sendmsg+0x723/0xbe0 [ 3781.647356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3781.647356][ T10] ___sys_sendmsg+0xee/0x170 [ 3781.647356][ T10] __sys_sendmsg+0xcd/0x170 [ 3781.647356][ T10] do_syscall_64+0xc6/0x1e0 [ 3781.647356][ T10] [ 3781.649318][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3781.649318][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3781.649318][ T10] ipv6_find_idev+0x102/0x170 [ 3781.649318][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3781.649318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3781.649318][ T10] netlink_rcv_skb+0x130/0x360 [ 3781.649318][ T10] netlink_unicast+0x449/0x710 [ 3781.649318][ T10] netlink_sendmsg+0x723/0xbe0 [ 3781.649318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3781.649318][ T10] ___sys_sendmsg+0xee/0x170 [ 3781.649318][ T10] __sys_sendmsg+0xcd/0x170 [ 3781.649318][ T10] do_syscall_64+0xc6/0x1e0 [ 3781.649318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3781.649318][ T10] [ 3781.650855][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3781.650855][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3781.650855][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3781.650855][ T10] ipv6_find_idev+0x102/0x170 [ 3781.650855][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3781.650855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3781.650855][ T10] netlink_rcv_skb+0x130/0x360 [ 3781.650855][ T10] netlink_unicast+0x449/0x710 [ 3781.650855][ T10] netlink_sendmsg+0x723/0xbe0 [ 3781.650855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3781.650855][ T10] ___sys_sendmsg+0xee/0x170 [ 3781.650855][ T10] __sys_sendmsg+0xcd/0x170 [ 3781.650855][ T10] do_syscall_64+0xc6/0x1e0 [ 3781.650855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3781.650855][ T10] [ 3781.652536][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3781.652781][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3781.652781][ T10] netdev_get_by_index+0x5e/0x80 [ 3781.652781][ T10] fib6_nh_init+0x3d8/0x1580 [ 3781.652781][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3781.652781][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3781.652781][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3781.652781][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3781.652781][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3781.652781][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3781.652781][ T10] addrconf_dad_begin+0x310/0x670 [ 3781.652781][ T10] addrconf_dad_work+0x10b/0xab0 [ 3781.652781][ T10] process_one_work+0x84d/0x18a0 [ 3781.652781][ T10] worker_thread+0x587/0xd30 [ 3781.652781][ T10] kthread+0x28a/0x350 [ 3781.652781][ T10] ret_from_fork+0x31/0x70 [ 3781.652781][ T10] ret_from_fork_asm+0x1a/0x30 [ 3781.652781][ T10] [ 3781.654670][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3781.654670][ T10] netdev_get_by_index+0x5e/0x80 [ 3781.654670][ T10] fib6_nh_init+0x3d8/0x1580 [ 3781.654670][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3781.654670][ T10] ip6_route_add+0x1c/0x140 [ 3781.654670][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3781.654670][ T10] inet6_addr_add+0x4f8/0xa40 [ 3781.654670][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3781.654670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3781.654670][ T10] netlink_rcv_skb+0x130/0x360 [ 3781.654670][ T10] netlink_unicast+0x449/0x710 [ 3781.654670][ T10] netlink_sendmsg+0x723/0xbe0 [ 3781.654670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3781.654670][ T10] ___sys_sendmsg+0xee/0x170 [ 3781.654670][ T10] __sys_sendmsg+0xcd/0x170 [ 3781.654670][ T10] do_syscall_64+0xc6/0x1e0 [ 3781.654670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3781.654670][ T10] [ 3781.656654][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3781.656654][ T10] netdev_get_by_index+0x5e/0x80 [ 3781.656654][ T10] fib6_nh_init+0x3d8/0x1580 [ 3781.656654][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3781.656654][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3781.656654][ T10] ipv6_add_addr+0x411/0x2000 [ 3781.656654][ T10] inet6_addr_add+0x30e/0xa40 [ 3781.656654][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3781.656654][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3781.656654][ T10] netlink_rcv_skb+0x130/0x360 [ 3781.656654][ T10] netlink_unicast+0x449/0x710 [ 3781.656654][ T10] netlink_sendmsg+0x723/0xbe0 [ 3781.656654][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3781.656654][ T10] ___sys_sendmsg+0xee/0x170 [ 3781.656654][ T10] __sys_sendmsg+0xcd/0x170 [ 3781.656654][ T10] do_syscall_64+0xc6/0x1e0 [ 3781.656654][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3781.656654][ T10] [ 3781.658628][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3781.658628][ T10] netdev_get_by_index+0x5e/0x80 [ 3781.658628][ T10] fib6_nh_init+0x3d8/0x1580 [ 3781.658628][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3781.658628][ T10] ip6_route_add+0x1c/0x140 [ 3781.658628][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3781.658628][ T10] addrconf_add_dev+0xe2/0x170 [ 3781.658628][ T10] inet6_addr_add+0x12f/0xa40 [ 3781.658628][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3781.658628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3781.658628][ T10] netlink_rcv_skb+0x130/0x360 [ 3781.658628][ T10] netlink_unicast+0x449/0x710 [ 3781.658628][ T10] netlink_sendmsg+0x723/0xbe0 [ 3781.658628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3781.658628][ T10] ___sys_sendmsg+0xee/0x170 [ 3781.658628][ T10] __sys_sendmsg+0xcd/0x170 [ 3781.658628][ T10] do_syscall_64+0xc6/0x1e0 [ 3781.658628][ T10] [ 3781.660575][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3781.660575][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3781.660575][ T10] ipv6_find_idev+0x102/0x170 [ 3781.660575][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3781.660575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3781.660575][ T10] netlink_rcv_skb+0x130/0x360 [ 3781.660575][ T10] netlink_unicast+0x449/0x710 [ 3781.660575][ T10] netlink_sendmsg+0x723/0xbe0 [ 3781.660575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3781.660575][ T10] ___sys_sendmsg+0xee/0x170 [ 3781.660575][ T10] __sys_sendmsg+0xcd/0x170 [ 3781.660575][ T10] do_syscall_64+0xc6/0x1e0 [ 3781.660575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3781.660575][ T10] [ 3781.662104][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3781.662104][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3781.662104][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3781.662104][ T10] ipv6_find_idev+0x102/0x170 [ 3781.662104][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3781.662104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3781.662104][ T10] netlink_rcv_skb+0x130/0x360 [ 3781.662104][ T10] netlink_unicast+0x449/0x710 [ 3781.662104][ T10] netlink_sendmsg+0x723/0xbe0 [ 3781.662104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3781.662104][ T10] ___sys_sendmsg+0xee/0x170 [ 3781.662104][ T10] __sys_sendmsg+0xcd/0x170 [ 3781.662104][ T10] do_syscall_64+0xc6/0x1e0 [ 3781.662104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3781.662104][ T10] [ 3781.663773][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3781.664008][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3781.664008][ T10] netdev_get_by_index+0x5e/0x80 [ 3781.664008][ T10] fib6_nh_init+0x3d8/0x1580 [ 3781.664008][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3781.664008][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3781.664008][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3781.664008][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3781.664008][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3781.664008][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3781.664008][ T10] addrconf_dad_begin+0x310/0x670 [ 3781.664008][ T10] addrconf_dad_work+0x10b/0xab0 [ 3781.664008][ T10] process_one_work+0x84d/0x18a0 [ 3781.664008][ T10] worker_thread+0x587/0xd30 [ 3781.664008][ T10] kthread+0x28a/0x350 [ 3781.664008][ T10] ret_from_fork+0x31/0x70 [ 3781.664008][ T10] ret_from_fork_asm+0x1a/0x30 [ 3781.664008][ T10] [ 3781.665902][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3781.665902][ T10] netdev_get_by_index+0x5e/0x80 [ 3781.665902][ T10] fib6_nh_init+0x3d8/0x1580 [ 3781.665902][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3781.665902][ T10] ip6_route_add+0x1c/0x140 [ 3781.665902][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3781.665902][ T10] inet6_addr_add+0x4f8/0xa40 [ 3781.665902][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3781.665902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3781.665902][ T10] netlink_rcv_skb+0x130/0x360 [ 3781.665902][ T10] netlink_unicast+0x449/0x710 [ 3781.665902][ T10] netlink_sendmsg+0x723/0xbe0 [ 3781.665902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3781.665902][ T10] ___sys_sendmsg+0xee/0x170 [ 3781.665902][ T10] __sys_sendmsg+0xcd/0x170 [ 3781.665902][ T10] do_syscall_64+0xc6/0x1e0 [ 3781.665902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3781.665902][ T10] [ 3781.668057][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3781.668057][ T10] netdev_get_by_index+0x5e/0x80 [ 3781.668057][ T10] fib6_nh_init+0x3d8/0x1580 [ 3781.668057][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3781.668057][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3781.668057][ T10] ipv6_add_addr+0x411/0x2000 [ 3781.668057][ T10] inet6_addr_add+0x30e/0xa40 [ 3781.668057][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3781.668057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3781.668057][ T10] netlink_rcv_skb+0x130/0x360 [ 3781.668057][ T10] netlink_unicast+0x449/0x710 [ 3781.668057][ T10] netlink_sendmsg+0x723/0xbe0 [ 3781.668057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3781.668057][ T10] ___sys_sendmsg+0xee/0x170 [ 3781.668057][ T10] __sys_sendmsg+0xcd/0x170 [ 3781.668057][ T10] do_syscall_64+0xc6/0x1e0 [ 3781.668057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3781.668057][ T10] [ 3781.670344][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3781.670344][ T10] netdev_get_by_index+0x5e/0x80 [ 3781.670344][ T10] fib6_nh_init+0x3d8/0x1580 [ 3781.670344][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3781.670344][ T10] ip6_route_add+0x1c/0x140 [ 3781.670344][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3781.670344][ T10] addrconf_add_dev+0xe2/0x170 [ 3781.670344][ T10] inet6_addr_add+0x12f/0xa40 [ 3781.670344][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3781.670344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3781.670344][ T10] netlink_rcv_skb+0x130/0x360 [ 3781.670344][ T10] netlink_unicast+0x449/0x710 [ 3781.670344][ T10] netlink_sendmsg+0x723/0xbe0 [ 3781.670344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3781.670344][ T10] ___sys_sendmsg+0xee/0x170 [ 3781.670344][ T10] __sys_sendmsg+0xcd/0x170 [ 3781.670344][ T10] do_syscall_64+0xc6/0x1e0 [ 3781.670344][ T10] [ 3781.672468][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3781.672468][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3781.672468][ T10] ipv6_find_idev+0x102/0x170 [ 3781.672468][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3781.672468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3781.672468][ T10] netlink_rcv_skb+0x130/0x360 [ 3781.672468][ T10] netlink_unicast+0x449/0x710 [ 3781.672468][ T10] netlink_sendmsg+0x723/0xbe0 [ 3781.672468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3781.672468][ T10] ___sys_sendmsg+0xee/0x170 [ 3781.672468][ T10] __sys_sendmsg+0xcd/0x170 [ 3781.672468][ T10] do_syscall_64+0xc6/0x1e0 [ 3781.672468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3781.672468][ T10] [ 3781.674189][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3781.674189][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3781.674189][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3781.674189][ T10] ipv6_find_idev+0x102/0x170 [ 3781.674189][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3781.674189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3781.674189][ T10] netlink_rcv_skb+0x130/0x360 [ 3781.674189][ T10] netlink_unicast+0x449/0x710 [ 3781.674189][ T10] netlink_sendmsg+0x723/0xbe0 [ 3781.674189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3781.674189][ T10] ___sys_sendmsg+0xee/0x170 [ 3781.674189][ T10] __sys_sendmsg+0xcd/0x170 [ 3781.674189][ T10] do_syscall_64+0xc6/0x1e0 [ 3781.674189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3781.674189][ T10] [ 3781.676043][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3781.676286][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3781.676286][ T10] netdev_get_by_index+0x5e/0x80 [ 3781.676286][ T10] fib6_nh_init+0x3d8/0x1580 [ 3781.676286][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3781.676286][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3781.676286][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3781.676286][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3781.676286][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3781.676286][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3781.676286][ T10] addrconf_dad_begin+0x310/0x670 [ 3781.676286][ T10] addrconf_dad_work+0x10b/0xab0 [ 3781.676286][ T10] process_one_work+0x84d/0x18a0 [ 3781.676286][ T10] worker_thread+0x587/0xd30 [ 3781.676286][ T10] kthread+0x28a/0x350 [ 3781.676286][ T10] ret_from_fork+0x31/0x70 [ 3781.676286][ T10] ret_from_fork_asm+0x1a/0x30 [ 3781.676286][ T10] [ 3781.678481][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3781.678481][ T10] netdev_get_by_index+0x5e/0x80 [ 3781.678481][ T10] fib6_nh_init+0x3d8/0x1580 [ 3781.678481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3781.678481][ T10] ip6_route_add+0x1c/0x140 [ 3781.678481][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3781.678481][ T10] inet6_addr_add+0x4f8/0xa40 [ 3781.678481][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3781.678481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3781.678481][ T10] netlink_rcv_skb+0x130/0x360 [ 3781.678481][ T10] netlink_unicast+0x449/0x710 [ 3781.678481][ T10] netlink_sendmsg+0x723/0xbe0 [ 3781.678481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3781.678481][ T10] ___sys_sendmsg+0xee/0x170 [ 3781.678481][ T10] __sys_sendmsg+0xcd/0x170 [ 3781.678481][ T10] do_syscall_64+0xc6/0x1e0 [ 3781.678481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3781.678481][ T10] [ 3781.680642][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3781.680642][ T10] netdev_get_by_index+0x5e/0x80 [ 3781.680642][ T10] fib6_nh_init+0x3d8/0x1580 [ 3781.680642][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3781.680642][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3781.680642][ T10] ipv6_add_addr+0x411/0x2000 [ 3781.680642][ T10] inet6_addr_add+0x30e/0xa40 [ 3781.680642][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3781.680642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3781.680642][ T10] netlink_rcv_skb+0x130/0x360 [ 3781.680642][ T10] netlink_unicast+0x449/0x710 [ 3781.680642][ T10] netlink_sendmsg+0x723/0xbe0 [ 3781.680642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3781.680642][ T10] ___sys_sendmsg+0xee/0x170 [ 3781.680642][ T10] __sys_sendmsg+0xcd/0x170 [ 3781.680642][ T10] do_syscall_64+0xc6/0x1e0 [ 3781.680642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3781.680642][ T10] [ 3781.682864][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3781.682864][ T10] netdev_get_by_index+0x5e/0x80 [ 3781.682864][ T10] fib6_nh_init+0x3d8/0x1580 [ 3781.682864][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3781.682864][ T10] ip6_route_add+0x1c/0x140 [ 3781.682864][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3781.682864][ T10] addrconf_add_dev+0xe2/0x170 [ 3781.682864][ T10] inet6_addr_add+0x12f/0xa40 [ 3781.682864][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3781.682864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3781.682864][ T10] netlink_rcv_skb+0x130/0x360 [ 3781.682864][ T10] netlink_unicast+0x449/0x710 [ 3781.682864][ T10] netlink_sendmsg+0x723/0xbe0 [ 3781.682864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3781.682864][ T10] ___sys_sendmsg+0xee/0x170 [ 3781.682864][ T10] __sys_sendmsg+0xcd/0x170 [ 3781.682864][ T10] do_syscall_64+0xc6/0x1e0 [ 3781.682864][ T10] [ 3781.685046][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3781.685046][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3781.685046][ T10] ipv6_find_idev+0x102/0x170 [ 3781.685046][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3781.685046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3781.685046][ T10] netlink_rcv_skb+0x130/0x360 [ 3781.685046][ T10] netlink_unicast+0x449/0x710 [ 3781.685046][ T10] netlink_sendmsg+0x723/0xbe0 [ 3781.685046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3781.685046][ T10] ___sys_sendmsg+0xee/0x170 [ 3781.685046][ T10] __sys_sendmsg+0xcd/0x170 [ 3781.685046][ T10] do_syscall_64+0xc6/0x1e0 [ 3781.685046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3781.685046][ T10] [ 3781.686749][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3781.686749][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3781.686749][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3781.686749][ T10] ipv6_find_idev+0x102/0x170 [ 3781.686749][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3781.686749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3781.686749][ T10] netlink_rcv_skb+0x130/0x360 [ 3781.686749][ T10] netlink_unicast+0x449/0x710 [ 3781.686749][ T10] netlink_sendmsg+0x723/0xbe0 [ 3781.686749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3781.686749][ T10] ___sys_sendmsg+0xee/0x170 [ 3781.686749][ T10] __sys_sendmsg+0xcd/0x170 [ 3781.686749][ T10] do_syscall_64+0xc6/0x1e0 [ 3781.686749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3781.686749][ T10] [ 3789.881112][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3789.881559][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3789.881559][ T1167] dst_init+0x84/0x4a0 [ 3789.881559][ T1167] dst_alloc+0x97/0x150 [ 3789.881559][ T1167] ip6_dst_alloc+0x23/0x90 [ 3789.881559][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3789.881559][ T1167] ip6_pol_route+0x56f/0x840 [ 3789.881559][ T1167] fib6_rule_lookup+0x334/0x630 [ 3789.881559][ T1167] ip6_route_output_flags+0x259/0x480 [ 3789.881559][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3789.881559][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3789.881559][ T1167] netlink_rcv_skb+0x130/0x360 [ 3789.881559][ T1167] netlink_unicast+0x449/0x710 [ 3789.881559][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3789.881559][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3789.881559][ T1167] ___sys_sendmsg+0xee/0x170 [ 3789.881559][ T1167] __sys_sendmsg+0xcd/0x170 [ 3789.881559][ T1167] do_syscall_64+0xc6/0x1e0 [ 3789.881559][ T1167] [ 3789.883807][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3789.883807][ T1167] netdev_get_by_index+0x5e/0x80 [ 3789.883807][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3789.883807][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3789.883807][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3789.883807][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3789.883807][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3789.883807][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3789.883807][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3789.883807][ T1167] addrconf_dad_begin+0x310/0x670 [ 3789.883807][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3789.883807][ T1167] process_one_work+0x84d/0x18a0 [ 3789.883807][ T1167] worker_thread+0x587/0xd30 [ 3789.883807][ T1167] kthread+0x28a/0x350 [ 3789.883807][ T1167] ret_from_fork+0x31/0x70 [ 3789.883807][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3789.883807][ T1167] [ 3789.885982][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3789.885982][ T1167] netdev_get_by_index+0x5e/0x80 [ 3789.885982][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3789.885982][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3789.885982][ T1167] ip6_route_add+0x1c/0x140 [ 3789.885982][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3789.885982][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3789.885982][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3789.885982][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3789.885982][ T1167] netlink_rcv_skb+0x130/0x360 [ 3789.885982][ T1167] netlink_unicast+0x449/0x710 [ 3789.885982][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3789.885982][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3789.885982][ T1167] ___sys_sendmsg+0xee/0x170 [ 3789.885982][ T1167] __sys_sendmsg+0xcd/0x170 [ 3789.885982][ T1167] do_syscall_64+0xc6/0x1e0 [ 3789.885982][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3789.885982][ T1167] [ 3789.888242][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3789.888242][ T1167] netdev_get_by_index+0x5e/0x80 [ 3789.888242][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3789.888242][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3789.888242][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3789.888242][ T1167] ipv6_add_addr+0x411/0x2000 [ 3789.888242][ T1167] inet6_addr_add+0x30e/0xa40 [ 3789.888242][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3789.888242][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3789.888242][ T1167] netlink_rcv_skb+0x130/0x360 [ 3789.888242][ T1167] netlink_unicast+0x449/0x710 [ 3789.888242][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3789.888242][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3789.888242][ T1167] ___sys_sendmsg+0xee/0x170 [ 3789.888242][ T1167] __sys_sendmsg+0xcd/0x170 [ 3789.888242][ T1167] do_syscall_64+0xc6/0x1e0 [ 3789.888242][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3789.888242][ T1167] [ 3789.890515][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3789.890515][ T1167] netdev_get_by_index+0x5e/0x80 [ 3789.890515][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3789.890515][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3789.890515][ T1167] ip6_route_add+0x1c/0x140 [ 3789.890515][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3789.890515][ T1167] addrconf_add_dev+0xe2/0x170 [ 3789.890515][ T1167] inet6_addr_add+0x12f/0xa40 [ 3789.890515][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3789.890515][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3789.890515][ T1167] netlink_rcv_skb+0x130/0x360 [ 3789.890515][ T1167] netlink_unicast+0x449/0x710 [ 3789.890515][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3789.890515][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3789.890515][ T1167] ___sys_sendmsg+0xee/0x170 [ 3789.890515][ T1167] __sys_sendmsg+0xcd/0x170 [ 3789.890515][ T1167] do_syscall_64+0xc6/0x1e0 [ 3789.890515][ T1167] [ 3789.892748][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3789.892748][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3789.892748][ T1167] ipv6_find_idev+0x102/0x170 [ 3789.892748][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3789.892748][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3789.892748][ T1167] netlink_rcv_skb+0x130/0x360 [ 3789.892748][ T1167] netlink_unicast+0x449/0x710 [ 3789.892748][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3789.892748][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3789.892748][ T1167] ___sys_sendmsg+0xee/0x170 [ 3789.892748][ T1167] __sys_sendmsg+0xcd/0x170 [ 3789.892748][ T1167] do_syscall_64+0xc6/0x1e0 [ 3789.892748][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3789.892748][ T1167] [ 3789.894487][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3789.894487][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3789.894487][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3789.894487][ T1167] ipv6_find_idev+0x102/0x170 [ 3789.894487][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3789.894487][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3789.894487][ T1167] netlink_rcv_skb+0x130/0x360 [ 3789.894487][ T1167] netlink_unicast+0x449/0x710 [ 3789.894487][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3789.894487][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3789.894487][ T1167] ___sys_sendmsg+0xee/0x170 [ 3789.894487][ T1167] __sys_sendmsg+0xcd/0x170 [ 3789.894487][ T1167] do_syscall_64+0xc6/0x1e0 [ 3789.894487][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3789.894487][ T1167] [ 3791.929152][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3791.929588][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3791.929588][ T10] netdev_get_by_index+0x5e/0x80 [ 3791.929588][ T10] fib6_nh_init+0x3d8/0x1580 [ 3791.929588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3791.929588][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3791.929588][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3791.929588][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3791.929588][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3791.929588][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3791.929588][ T10] addrconf_dad_begin+0x310/0x670 [ 3791.929588][ T10] addrconf_dad_work+0x10b/0xab0 [ 3791.929588][ T10] process_one_work+0x84d/0x18a0 [ 3791.929588][ T10] worker_thread+0x587/0xd30 [ 3791.929588][ T10] kthread+0x28a/0x350 [ 3791.929588][ T10] ret_from_fork+0x31/0x70 [ 3791.929588][ T10] ret_from_fork_asm+0x1a/0x30 [ 3791.929588][ T10] [ 3791.931549][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3791.931549][ T10] netdev_get_by_index+0x5e/0x80 [ 3791.931549][ T10] fib6_nh_init+0x3d8/0x1580 [ 3791.931549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3791.931549][ T10] ip6_route_add+0x1c/0x140 [ 3791.931549][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3791.931549][ T10] inet6_addr_add+0x4f8/0xa40 [ 3791.931549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3791.931549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3791.931549][ T10] netlink_rcv_skb+0x130/0x360 [ 3791.931549][ T10] netlink_unicast+0x449/0x710 [ 3791.931549][ T10] netlink_sendmsg+0x723/0xbe0 [ 3791.931549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3791.931549][ T10] ___sys_sendmsg+0xee/0x170 [ 3791.931549][ T10] __sys_sendmsg+0xcd/0x170 [ 3791.931549][ T10] do_syscall_64+0xc6/0x1e0 [ 3791.931549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3791.931549][ T10] [ 3791.933547][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3791.933547][ T10] netdev_get_by_index+0x5e/0x80 [ 3791.933547][ T10] fib6_nh_init+0x3d8/0x1580 [ 3791.933547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3791.933547][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3791.933547][ T10] ipv6_add_addr+0x411/0x2000 [ 3791.933547][ T10] inet6_addr_add+0x30e/0xa40 [ 3791.933547][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3791.933547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3791.933547][ T10] netlink_rcv_skb+0x130/0x360 [ 3791.933547][ T10] netlink_unicast+0x449/0x710 [ 3791.933547][ T10] netlink_sendmsg+0x723/0xbe0 [ 3791.933547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3791.933547][ T10] ___sys_sendmsg+0xee/0x170 [ 3791.933547][ T10] __sys_sendmsg+0xcd/0x170 [ 3791.933547][ T10] do_syscall_64+0xc6/0x1e0 [ 3791.933547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3791.933547][ T10] [ 3791.935524][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3791.935524][ T10] netdev_get_by_index+0x5e/0x80 [ 3791.935524][ T10] fib6_nh_init+0x3d8/0x1580 [ 3791.935524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3791.935524][ T10] ip6_route_add+0x1c/0x140 [ 3791.935524][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3791.935524][ T10] addrconf_add_dev+0xe2/0x170 [ 3791.935524][ T10] inet6_addr_add+0x12f/0xa40 [ 3791.935524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3791.935524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3791.935524][ T10] netlink_rcv_skb+0x130/0x360 [ 3791.935524][ T10] netlink_unicast+0x449/0x710 [ 3791.935524][ T10] netlink_sendmsg+0x723/0xbe0 [ 3791.935524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3791.935524][ T10] ___sys_sendmsg+0xee/0x170 [ 3791.935524][ T10] __sys_sendmsg+0xcd/0x170 [ 3791.935524][ T10] do_syscall_64+0xc6/0x1e0 [ 3791.935524][ T10] [ 3791.937474][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3791.937474][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3791.937474][ T10] ipv6_find_idev+0x102/0x170 [ 3791.937474][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3791.937474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3791.937474][ T10] netlink_rcv_skb+0x130/0x360 [ 3791.937474][ T10] netlink_unicast+0x449/0x710 [ 3791.937474][ T10] netlink_sendmsg+0x723/0xbe0 [ 3791.937474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3791.937474][ T10] ___sys_sendmsg+0xee/0x170 [ 3791.937474][ T10] __sys_sendmsg+0xcd/0x170 [ 3791.937474][ T10] do_syscall_64+0xc6/0x1e0 [ 3791.937474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3791.937474][ T10] [ 3791.938998][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3791.938998][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3791.938998][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3791.938998][ T10] ipv6_find_idev+0x102/0x170 [ 3791.938998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3791.938998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3791.938998][ T10] netlink_rcv_skb+0x130/0x360 [ 3791.938998][ T10] netlink_unicast+0x449/0x710 [ 3791.938998][ T10] netlink_sendmsg+0x723/0xbe0 [ 3791.938998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3791.938998][ T10] ___sys_sendmsg+0xee/0x170 [ 3791.938998][ T10] __sys_sendmsg+0xcd/0x170 [ 3791.938998][ T10] do_syscall_64+0xc6/0x1e0 [ 3791.938998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3791.938998][ T10] [ 3791.940686][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3791.940938][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3791.940938][ T10] netdev_get_by_index+0x5e/0x80 [ 3791.940938][ T10] fib6_nh_init+0x3d8/0x1580 [ 3791.940938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3791.940938][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3791.940938][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3791.940938][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3791.940938][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3791.940938][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3791.940938][ T10] addrconf_dad_begin+0x310/0x670 [ 3791.940938][ T10] addrconf_dad_work+0x10b/0xab0 [ 3791.940938][ T10] process_one_work+0x84d/0x18a0 [ 3791.940938][ T10] worker_thread+0x587/0xd30 [ 3791.940938][ T10] kthread+0x28a/0x350 [ 3791.940938][ T10] ret_from_fork+0x31/0x70 [ 3791.940938][ T10] ret_from_fork_asm+0x1a/0x30 [ 3791.940938][ T10] [ 3791.942824][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3791.942824][ T10] netdev_get_by_index+0x5e/0x80 [ 3791.942824][ T10] fib6_nh_init+0x3d8/0x1580 [ 3791.942824][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3791.942824][ T10] ip6_route_add+0x1c/0x140 [ 3791.942824][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3791.942824][ T10] inet6_addr_add+0x4f8/0xa40 [ 3791.942824][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3791.942824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3791.942824][ T10] netlink_rcv_skb+0x130/0x360 [ 3791.942824][ T10] netlink_unicast+0x449/0x710 [ 3791.942824][ T10] netlink_sendmsg+0x723/0xbe0 [ 3791.942824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3791.942824][ T10] ___sys_sendmsg+0xee/0x170 [ 3791.942824][ T10] __sys_sendmsg+0xcd/0x170 [ 3791.942824][ T10] do_syscall_64+0xc6/0x1e0 [ 3791.942824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3791.942824][ T10] [ 3791.944800][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3791.944800][ T10] netdev_get_by_index+0x5e/0x80 [ 3791.944800][ T10] fib6_nh_init+0x3d8/0x1580 [ 3791.944800][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3791.944800][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3791.944800][ T10] ipv6_add_addr+0x411/0x2000 [ 3791.944800][ T10] inet6_addr_add+0x30e/0xa40 [ 3791.944800][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3791.944800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3791.944800][ T10] netlink_rcv_skb+0x130/0x360 [ 3791.944800][ T10] netlink_unicast+0x449/0x710 [ 3791.944800][ T10] netlink_sendmsg+0x723/0xbe0 [ 3791.944800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3791.944800][ T10] ___sys_sendmsg+0xee/0x170 [ 3791.944800][ T10] __sys_sendmsg+0xcd/0x170 [ 3791.944800][ T10] do_syscall_64+0xc6/0x1e0 [ 3791.944800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3791.944800][ T10] [ 3791.946775][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3791.946775][ T10] netdev_get_by_index+0x5e/0x80 [ 3791.946775][ T10] fib6_nh_init+0x3d8/0x1580 [ 3791.946775][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3791.946775][ T10] ip6_route_add+0x1c/0x140 [ 3791.946775][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3791.946775][ T10] addrconf_add_dev+0xe2/0x170 [ 3791.946775][ T10] inet6_addr_add+0x12f/0xa40 [ 3791.946775][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3791.946775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3791.946775][ T10] netlink_rcv_skb+0x130/0x360 [ 3791.946775][ T10] netlink_unicast+0x449/0x710 [ 3791.946775][ T10] netlink_sendmsg+0x723/0xbe0 [ 3791.946775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3791.946775][ T10] ___sys_sendmsg+0xee/0x170 [ 3791.946775][ T10] __sys_sendmsg+0xcd/0x170 [ 3791.946775][ T10] do_syscall_64+0xc6/0x1e0 [ 3791.946775][ T10] [ 3791.948721][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3791.948721][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3791.948721][ T10] ipv6_find_idev+0x102/0x170 [ 3791.948721][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3791.948721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3791.948721][ T10] netlink_rcv_skb+0x130/0x360 [ 3791.948721][ T10] netlink_unicast+0x449/0x710 [ 3791.948721][ T10] netlink_sendmsg+0x723/0xbe0 [ 3791.948721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3791.948721][ T10] ___sys_sendmsg+0xee/0x170 [ 3791.948721][ T10] __sys_sendmsg+0xcd/0x170 [ 3791.948721][ T10] do_syscall_64+0xc6/0x1e0 [ 3791.948721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3791.948721][ T10] [ 3791.950256][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3791.950256][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3791.950256][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3791.950256][ T10] ipv6_find_idev+0x102/0x170 [ 3791.950256][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3791.950256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3791.950256][ T10] netlink_rcv_skb+0x130/0x360 [ 3791.950256][ T10] netlink_unicast+0x449/0x710 [ 3791.950256][ T10] netlink_sendmsg+0x723/0xbe0 [ 3791.950256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3791.950256][ T10] ___sys_sendmsg+0xee/0x170 [ 3791.950256][ T10] __sys_sendmsg+0xcd/0x170 [ 3791.950256][ T10] do_syscall_64+0xc6/0x1e0 [ 3791.950256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3791.950256][ T10] [ 3791.951945][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3791.952189][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3791.952189][ T10] netdev_get_by_index+0x5e/0x80 [ 3791.952189][ T10] fib6_nh_init+0x3d8/0x1580 [ 3791.952189][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3791.952189][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3791.952189][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3791.952189][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3791.952189][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3791.952189][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3791.952189][ T10] addrconf_dad_begin+0x310/0x670 [ 3791.952189][ T10] addrconf_dad_work+0x10b/0xab0 [ 3791.952189][ T10] process_one_work+0x84d/0x18a0 [ 3791.952189][ T10] worker_thread+0x587/0xd30 [ 3791.952189][ T10] kthread+0x28a/0x350 [ 3791.952189][ T10] ret_from_fork+0x31/0x70 [ 3791.952189][ T10] ret_from_fork_asm+0x1a/0x30 [ 3791.952189][ T10] [ 3791.954077][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3791.954077][ T10] netdev_get_by_index+0x5e/0x80 [ 3791.954077][ T10] fib6_nh_init+0x3d8/0x1580 [ 3791.954077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3791.954077][ T10] ip6_route_add+0x1c/0x140 [ 3791.954077][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3791.954077][ T10] inet6_addr_add+0x4f8/0xa40 [ 3791.954077][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3791.954077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3791.954077][ T10] netlink_rcv_skb+0x130/0x360 [ 3791.954077][ T10] netlink_unicast+0x449/0x710 [ 3791.954077][ T10] netlink_sendmsg+0x723/0xbe0 [ 3791.954077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3791.954077][ T10] ___sys_sendmsg+0xee/0x170 [ 3791.954077][ T10] __sys_sendmsg+0xcd/0x170 [ 3791.954077][ T10] do_syscall_64+0xc6/0x1e0 [ 3791.954077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3791.954077][ T10] [ 3791.956190][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3791.956190][ T10] netdev_get_by_index+0x5e/0x80 [ 3791.956190][ T10] fib6_nh_init+0x3d8/0x1580 [ 3791.956190][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3791.956190][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3791.956190][ T10] ipv6_add_addr+0x411/0x2000 [ 3791.956190][ T10] inet6_addr_add+0x30e/0xa40 [ 3791.956190][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3791.956190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3791.956190][ T10] netlink_rcv_skb+0x130/0x360 [ 3791.956190][ T10] netlink_unicast+0x449/0x710 [ 3791.956190][ T10] netlink_sendmsg+0x723/0xbe0 [ 3791.956190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3791.956190][ T10] ___sys_sendmsg+0xee/0x170 [ 3791.956190][ T10] __sys_sendmsg+0xcd/0x170 [ 3791.956190][ T10] do_syscall_64+0xc6/0x1e0 [ 3791.956190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3791.956190][ T10] [ 3791.958304][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3791.958304][ T10] netdev_get_by_index+0x5e/0x80 [ 3791.958304][ T10] fib6_nh_init+0x3d8/0x1580 [ 3791.958304][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3791.958304][ T10] ip6_route_add+0x1c/0x140 [ 3791.958304][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3791.958304][ T10] addrconf_add_dev+0xe2/0x170 [ 3791.958304][ T10] inet6_addr_add+0x12f/0xa40 [ 3791.958304][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3791.958304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3791.958304][ T10] netlink_rcv_skb+0x130/0x360 [ 3791.958304][ T10] netlink_unicast+0x449/0x710 [ 3791.958304][ T10] netlink_sendmsg+0x723/0xbe0 [ 3791.958304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3791.958304][ T10] ___sys_sendmsg+0xee/0x170 [ 3791.958304][ T10] __sys_sendmsg+0xcd/0x170 [ 3791.958304][ T10] do_syscall_64+0xc6/0x1e0 [ 3791.958304][ T10] [ 3791.960387][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3791.960387][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3791.960387][ T10] ipv6_find_idev+0x102/0x170 [ 3791.960387][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3791.960387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3791.960387][ T10] netlink_rcv_skb+0x130/0x360 [ 3791.960387][ T10] netlink_unicast+0x449/0x710 [ 3791.960387][ T10] netlink_sendmsg+0x723/0xbe0 [ 3791.960387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3791.960387][ T10] ___sys_sendmsg+0xee/0x170 [ 3791.960387][ T10] __sys_sendmsg+0xcd/0x170 [ 3791.960387][ T10] do_syscall_64+0xc6/0x1e0 [ 3791.960387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3791.960387][ T10] [ 3791.961974][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3791.961974][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3791.961974][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3791.961974][ T10] ipv6_find_idev+0x102/0x170 [ 3791.961974][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3791.961974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3791.961974][ T10] netlink_rcv_skb+0x130/0x360 [ 3791.961974][ T10] netlink_unicast+0x449/0x710 [ 3791.961974][ T10] netlink_sendmsg+0x723/0xbe0 [ 3791.961974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3791.961974][ T10] ___sys_sendmsg+0xee/0x170 [ 3791.961974][ T10] __sys_sendmsg+0xcd/0x170 [ 3791.961974][ T10] do_syscall_64+0xc6/0x1e0 [ 3791.961974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3791.961974][ T10] [ 3791.963775][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3791.964008][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3791.964008][ T10] netdev_get_by_index+0x5e/0x80 [ 3791.964008][ T10] fib6_nh_init+0x3d8/0x1580 [ 3791.964008][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3791.964008][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3791.964008][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3791.964008][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3791.964008][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3791.964008][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3791.964008][ T10] addrconf_dad_begin+0x310/0x670 [ 3791.964008][ T10] addrconf_dad_work+0x10b/0xab0 [ 3791.964008][ T10] process_one_work+0x84d/0x18a0 [ 3791.964008][ T10] worker_thread+0x587/0xd30 [ 3791.964008][ T10] kthread+0x28a/0x350 [ 3791.964008][ T10] ret_from_fork+0x31/0x70 [ 3791.964008][ T10] ret_from_fork_asm+0x1a/0x30 [ 3791.964008][ T10] [ 3791.966112][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3791.966112][ T10] netdev_get_by_index+0x5e/0x80 [ 3791.966112][ T10] fib6_nh_init+0x3d8/0x1580 [ 3791.966112][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3791.966112][ T10] ip6_route_add+0x1c/0x140 [ 3791.966112][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3791.966112][ T10] inet6_addr_add+0x4f8/0xa40 [ 3791.966112][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3791.966112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3791.966112][ T10] netlink_rcv_skb+0x130/0x360 [ 3791.966112][ T10] netlink_unicast+0x449/0x710 [ 3791.966112][ T10] netlink_sendmsg+0x723/0xbe0 [ 3791.966112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3791.966112][ T10] ___sys_sendmsg+0xee/0x170 [ 3791.966112][ T10] __sys_sendmsg+0xcd/0x170 [ 3791.966112][ T10] do_syscall_64+0xc6/0x1e0 [ 3791.966112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3791.966112][ T10] [ 3791.968224][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3791.968224][ T10] netdev_get_by_index+0x5e/0x80 [ 3791.968224][ T10] fib6_nh_init+0x3d8/0x1580 [ 3791.968224][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3791.968224][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3791.968224][ T10] ipv6_add_addr+0x411/0x2000 [ 3791.968224][ T10] inet6_addr_add+0x30e/0xa40 [ 3791.968224][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3791.968224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3791.968224][ T10] netlink_rcv_skb+0x130/0x360 [ 3791.968224][ T10] netlink_unicast+0x449/0x710 [ 3791.968224][ T10] netlink_sendmsg+0x723/0xbe0 [ 3791.968224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3791.968224][ T10] ___sys_sendmsg+0xee/0x170 [ 3791.968224][ T10] __sys_sendmsg+0xcd/0x170 [ 3791.968224][ T10] do_syscall_64+0xc6/0x1e0 [ 3791.968224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3791.968224][ T10] [ 3791.970341][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3791.970341][ T10] netdev_get_by_index+0x5e/0x80 [ 3791.970341][ T10] fib6_nh_init+0x3d8/0x1580 [ 3791.970341][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3791.970341][ T10] ip6_route_add+0x1c/0x140 [ 3791.970341][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3791.970341][ T10] addrconf_add_dev+0xe2/0x170 [ 3791.970341][ T10] inet6_addr_add+0x12f/0xa40 [ 3791.970341][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3791.970341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3791.970341][ T10] netlink_rcv_skb+0x130/0x360 [ 3791.970341][ T10] netlink_unicast+0x449/0x710 [ 3791.970341][ T10] netlink_sendmsg+0x723/0xbe0 [ 3791.970341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3791.970341][ T10] ___sys_sendmsg+0xee/0x170 [ 3791.970341][ T10] __sys_sendmsg+0xcd/0x170 [ 3791.970341][ T10] do_syscall_64+0xc6/0x1e0 [ 3791.970341][ T10] [ 3791.972415][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3791.972415][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3791.972415][ T10] ipv6_find_idev+0x102/0x170 [ 3791.972415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3791.972415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3791.972415][ T10] netlink_rcv_skb+0x130/0x360 [ 3791.972415][ T10] netlink_unicast+0x449/0x710 [ 3791.972415][ T10] netlink_sendmsg+0x723/0xbe0 [ 3791.972415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3791.972415][ T10] ___sys_sendmsg+0xee/0x170 [ 3791.972415][ T10] __sys_sendmsg+0xcd/0x170 [ 3791.972415][ T10] do_syscall_64+0xc6/0x1e0 [ 3791.972415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3791.972415][ T10] [ 3791.974005][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3791.974005][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3791.974005][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3791.974005][ T10] ipv6_find_idev+0x102/0x170 [ 3791.974005][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3791.974005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3791.974005][ T10] netlink_rcv_skb+0x130/0x360 [ 3791.974005][ T10] netlink_unicast+0x449/0x710 [ 3791.974005][ T10] netlink_sendmsg+0x723/0xbe0 [ 3791.974005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3791.974005][ T10] ___sys_sendmsg+0xee/0x170 [ 3791.974005][ T10] __sys_sendmsg+0xcd/0x170 [ 3791.974005][ T10] do_syscall_64+0xc6/0x1e0 [ 3791.974005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3791.974005][ T10] [ 3800.105228][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3800.105656][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3800.105656][ T1167] dst_init+0x84/0x4a0 [ 3800.105656][ T1167] dst_alloc+0x97/0x150 [ 3800.105656][ T1167] ip6_dst_alloc+0x23/0x90 [ 3800.105656][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3800.105656][ T1167] ip6_pol_route+0x56f/0x840 [ 3800.105656][ T1167] fib6_rule_lookup+0x334/0x630 [ 3800.105656][ T1167] ip6_route_output_flags+0x259/0x480 [ 3800.105656][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3800.105656][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3800.105656][ T1167] netlink_rcv_skb+0x130/0x360 [ 3800.105656][ T1167] netlink_unicast+0x449/0x710 [ 3800.105656][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3800.105656][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3800.105656][ T1167] ___sys_sendmsg+0xee/0x170 [ 3800.105656][ T1167] __sys_sendmsg+0xcd/0x170 [ 3800.105656][ T1167] do_syscall_64+0xc6/0x1e0 [ 3800.105656][ T1167] [ 3800.107944][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3800.107944][ T1167] netdev_get_by_index+0x5e/0x80 [ 3800.107944][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3800.107944][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3800.107944][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3800.107944][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3800.107944][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3800.107944][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3800.107944][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3800.107944][ T1167] addrconf_dad_begin+0x310/0x670 [ 3800.107944][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3800.107944][ T1167] process_one_work+0x84d/0x18a0 [ 3800.107944][ T1167] worker_thread+0x587/0xd30 [ 3800.107944][ T1167] kthread+0x28a/0x350 [ 3800.107944][ T1167] ret_from_fork+0x31/0x70 [ 3800.107944][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3800.107944][ T1167] [ 3800.110262][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3800.110262][ T1167] netdev_get_by_index+0x5e/0x80 [ 3800.110262][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3800.110262][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3800.110262][ T1167] ip6_route_add+0x1c/0x140 [ 3800.110262][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3800.110262][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3800.110262][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3800.110262][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3800.110262][ T1167] netlink_rcv_skb+0x130/0x360 [ 3800.110262][ T1167] netlink_unicast+0x449/0x710 [ 3800.110262][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3800.110262][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3800.110262][ T1167] ___sys_sendmsg+0xee/0x170 [ 3800.110262][ T1167] __sys_sendmsg+0xcd/0x170 [ 3800.110262][ T1167] do_syscall_64+0xc6/0x1e0 [ 3800.110262][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3800.110262][ T1167] [ 3800.112629][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3800.112629][ T1167] netdev_get_by_index+0x5e/0x80 [ 3800.112629][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3800.112629][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3800.112629][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3800.112629][ T1167] ipv6_add_addr+0x411/0x2000 [ 3800.112629][ T1167] inet6_addr_add+0x30e/0xa40 [ 3800.112629][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3800.112629][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3800.112629][ T1167] netlink_rcv_skb+0x130/0x360 [ 3800.112629][ T1167] netlink_unicast+0x449/0x710 [ 3800.112629][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3800.112629][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3800.112629][ T1167] ___sys_sendmsg+0xee/0x170 [ 3800.112629][ T1167] __sys_sendmsg+0xcd/0x170 [ 3800.112629][ T1167] do_syscall_64+0xc6/0x1e0 [ 3800.112629][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3800.112629][ T1167] [ 3800.115022][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3800.115022][ T1167] netdev_get_by_index+0x5e/0x80 [ 3800.115022][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3800.115022][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3800.115022][ T1167] ip6_route_add+0x1c/0x140 [ 3800.115022][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3800.115022][ T1167] addrconf_add_dev+0xe2/0x170 [ 3800.115022][ T1167] inet6_addr_add+0x12f/0xa40 [ 3800.115022][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3800.115022][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3800.115022][ T1167] netlink_rcv_skb+0x130/0x360 [ 3800.115022][ T1167] netlink_unicast+0x449/0x710 [ 3800.115022][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3800.115022][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3800.115022][ T1167] ___sys_sendmsg+0xee/0x170 [ 3800.115022][ T1167] __sys_sendmsg+0xcd/0x170 [ 3800.115022][ T1167] do_syscall_64+0xc6/0x1e0 [ 3800.115022][ T1167] [ 3800.117336][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3800.117336][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3800.117336][ T1167] ipv6_find_idev+0x102/0x170 [ 3800.117336][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3800.117336][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3800.117336][ T1167] netlink_rcv_skb+0x130/0x360 [ 3800.117336][ T1167] netlink_unicast+0x449/0x710 [ 3800.117336][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3800.117336][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3800.117336][ T1167] ___sys_sendmsg+0xee/0x170 [ 3800.117336][ T1167] __sys_sendmsg+0xcd/0x170 [ 3800.117336][ T1167] do_syscall_64+0xc6/0x1e0 [ 3800.117336][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3800.117336][ T1167] [ 3800.119197][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3800.119197][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3800.119197][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3800.119197][ T1167] ipv6_find_idev+0x102/0x170 [ 3800.119197][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3800.119197][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3800.119197][ T1167] netlink_rcv_skb+0x130/0x360 [ 3800.119197][ T1167] netlink_unicast+0x449/0x710 [ 3800.119197][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3800.119197][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3800.119197][ T1167] ___sys_sendmsg+0xee/0x170 [ 3800.119197][ T1167] __sys_sendmsg+0xcd/0x170 [ 3800.119197][ T1167] do_syscall_64+0xc6/0x1e0 [ 3800.119197][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3800.119197][ T1167] [ 3802.169169][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3802.169547][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3802.169547][ T10] netdev_get_by_index+0x5e/0x80 [ 3802.169547][ T10] fib6_nh_init+0x3d8/0x1580 [ 3802.169547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3802.169547][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3802.169547][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3802.169547][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3802.169547][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3802.169547][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3802.169547][ T10] addrconf_dad_begin+0x310/0x670 [ 3802.169547][ T10] addrconf_dad_work+0x10b/0xab0 [ 3802.169547][ T10] process_one_work+0x84d/0x18a0 [ 3802.169547][ T10] worker_thread+0x587/0xd30 [ 3802.169547][ T10] kthread+0x28a/0x350 [ 3802.169547][ T10] ret_from_fork+0x31/0x70 [ 3802.169547][ T10] ret_from_fork_asm+0x1a/0x30 [ 3802.169547][ T10] [ 3802.171513][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3802.171513][ T10] netdev_get_by_index+0x5e/0x80 [ 3802.171513][ T10] fib6_nh_init+0x3d8/0x1580 [ 3802.171513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3802.171513][ T10] ip6_route_add+0x1c/0x140 [ 3802.171513][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3802.171513][ T10] inet6_addr_add+0x4f8/0xa40 [ 3802.171513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3802.171513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.171513][ T10] netlink_rcv_skb+0x130/0x360 [ 3802.171513][ T10] netlink_unicast+0x449/0x710 [ 3802.171513][ T10] netlink_sendmsg+0x723/0xbe0 [ 3802.171513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3802.171513][ T10] ___sys_sendmsg+0xee/0x170 [ 3802.171513][ T10] __sys_sendmsg+0xcd/0x170 [ 3802.171513][ T10] do_syscall_64+0xc6/0x1e0 [ 3802.171513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3802.171513][ T10] [ 3802.173524][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3802.173524][ T10] netdev_get_by_index+0x5e/0x80 [ 3802.173524][ T10] fib6_nh_init+0x3d8/0x1580 [ 3802.173524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3802.173524][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3802.173524][ T10] ipv6_add_addr+0x411/0x2000 [ 3802.173524][ T10] inet6_addr_add+0x30e/0xa40 [ 3802.173524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3802.173524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.173524][ T10] netlink_rcv_skb+0x130/0x360 [ 3802.173524][ T10] netlink_unicast+0x449/0x710 [ 3802.173524][ T10] netlink_sendmsg+0x723/0xbe0 [ 3802.173524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3802.173524][ T10] ___sys_sendmsg+0xee/0x170 [ 3802.173524][ T10] __sys_sendmsg+0xcd/0x170 [ 3802.173524][ T10] do_syscall_64+0xc6/0x1e0 [ 3802.173524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3802.173524][ T10] [ 3802.175533][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3802.175533][ T10] netdev_get_by_index+0x5e/0x80 [ 3802.175533][ T10] fib6_nh_init+0x3d8/0x1580 [ 3802.175533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3802.175533][ T10] ip6_route_add+0x1c/0x140 [ 3802.175533][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3802.175533][ T10] addrconf_add_dev+0xe2/0x170 [ 3802.175533][ T10] inet6_addr_add+0x12f/0xa40 [ 3802.175533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3802.175533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.175533][ T10] netlink_rcv_skb+0x130/0x360 [ 3802.175533][ T10] netlink_unicast+0x449/0x710 [ 3802.175533][ T10] netlink_sendmsg+0x723/0xbe0 [ 3802.175533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3802.175533][ T10] ___sys_sendmsg+0xee/0x170 [ 3802.175533][ T10] __sys_sendmsg+0xcd/0x170 [ 3802.175533][ T10] do_syscall_64+0xc6/0x1e0 [ 3802.175533][ T10] [ 3802.177505][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3802.177505][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3802.177505][ T10] ipv6_find_idev+0x102/0x170 [ 3802.177505][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3802.177505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.177505][ T10] netlink_rcv_skb+0x130/0x360 [ 3802.177505][ T10] netlink_unicast+0x449/0x710 [ 3802.177505][ T10] netlink_sendmsg+0x723/0xbe0 [ 3802.177505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3802.177505][ T10] ___sys_sendmsg+0xee/0x170 [ 3802.177505][ T10] __sys_sendmsg+0xcd/0x170 [ 3802.177505][ T10] do_syscall_64+0xc6/0x1e0 [ 3802.177505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3802.177505][ T10] [ 3802.179054][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3802.179054][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3802.179054][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3802.179054][ T10] ipv6_find_idev+0x102/0x170 [ 3802.179054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3802.179054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.179054][ T10] netlink_rcv_skb+0x130/0x360 [ 3802.179054][ T10] netlink_unicast+0x449/0x710 [ 3802.179054][ T10] netlink_sendmsg+0x723/0xbe0 [ 3802.179054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3802.179054][ T10] ___sys_sendmsg+0xee/0x170 [ 3802.179054][ T10] __sys_sendmsg+0xcd/0x170 [ 3802.179054][ T10] do_syscall_64+0xc6/0x1e0 [ 3802.179054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3802.179054][ T10] [ 3802.180827][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3802.181089][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3802.181089][ T10] netdev_get_by_index+0x5e/0x80 [ 3802.181089][ T10] fib6_nh_init+0x3d8/0x1580 [ 3802.181089][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3802.181089][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3802.181089][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3802.181089][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3802.181089][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3802.181089][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3802.181089][ T10] addrconf_dad_begin+0x310/0x670 [ 3802.181089][ T10] addrconf_dad_work+0x10b/0xab0 [ 3802.181089][ T10] process_one_work+0x84d/0x18a0 [ 3802.181089][ T10] worker_thread+0x587/0xd30 [ 3802.181089][ T10] kthread+0x28a/0x350 [ 3802.181089][ T10] ret_from_fork+0x31/0x70 [ 3802.181089][ T10] ret_from_fork_asm+0x1a/0x30 [ 3802.181089][ T10] [ 3802.183050][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3802.183050][ T10] netdev_get_by_index+0x5e/0x80 [ 3802.183050][ T10] fib6_nh_init+0x3d8/0x1580 [ 3802.183050][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3802.183050][ T10] ip6_route_add+0x1c/0x140 [ 3802.183050][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3802.183050][ T10] inet6_addr_add+0x4f8/0xa40 [ 3802.183050][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3802.183050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.183050][ T10] netlink_rcv_skb+0x130/0x360 [ 3802.183050][ T10] netlink_unicast+0x449/0x710 [ 3802.183050][ T10] netlink_sendmsg+0x723/0xbe0 [ 3802.183050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3802.183050][ T10] ___sys_sendmsg+0xee/0x170 [ 3802.183050][ T10] __sys_sendmsg+0xcd/0x170 [ 3802.183050][ T10] do_syscall_64+0xc6/0x1e0 [ 3802.183050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3802.183050][ T10] [ 3802.185187][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3802.185187][ T10] netdev_get_by_index+0x5e/0x80 [ 3802.185187][ T10] fib6_nh_init+0x3d8/0x1580 [ 3802.185187][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3802.185187][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3802.185187][ T10] ipv6_add_addr+0x411/0x2000 [ 3802.185187][ T10] inet6_addr_add+0x30e/0xa40 [ 3802.185187][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3802.185187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.185187][ T10] netlink_rcv_skb+0x130/0x360 [ 3802.185187][ T10] netlink_unicast+0x449/0x710 [ 3802.185187][ T10] netlink_sendmsg+0x723/0xbe0 [ 3802.185187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3802.185187][ T10] ___sys_sendmsg+0xee/0x170 [ 3802.185187][ T10] __sys_sendmsg+0xcd/0x170 [ 3802.185187][ T10] do_syscall_64+0xc6/0x1e0 [ 3802.185187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3802.185187][ T10] [ 3802.187380][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3802.187380][ T10] netdev_get_by_index+0x5e/0x80 [ 3802.187380][ T10] fib6_nh_init+0x3d8/0x1580 [ 3802.187380][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3802.187380][ T10] ip6_route_add+0x1c/0x140 [ 3802.187380][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3802.187380][ T10] addrconf_add_dev+0xe2/0x170 [ 3802.187380][ T10] inet6_addr_add+0x12f/0xa40 [ 3802.187380][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3802.187380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.187380][ T10] netlink_rcv_skb+0x130/0x360 [ 3802.187380][ T10] netlink_unicast+0x449/0x710 [ 3802.187380][ T10] netlink_sendmsg+0x723/0xbe0 [ 3802.187380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3802.187380][ T10] ___sys_sendmsg+0xee/0x170 [ 3802.187380][ T10] __sys_sendmsg+0xcd/0x170 [ 3802.187380][ T10] do_syscall_64+0xc6/0x1e0 [ 3802.187380][ T10] [ 3802.189520][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3802.189520][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3802.189520][ T10] ipv6_find_idev+0x102/0x170 [ 3802.189520][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3802.189520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.189520][ T10] netlink_rcv_skb+0x130/0x360 [ 3802.189520][ T10] netlink_unicast+0x449/0x710 [ 3802.189520][ T10] netlink_sendmsg+0x723/0xbe0 [ 3802.189520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3802.189520][ T10] ___sys_sendmsg+0xee/0x170 [ 3802.189520][ T10] __sys_sendmsg+0xcd/0x170 [ 3802.189520][ T10] do_syscall_64+0xc6/0x1e0 [ 3802.189520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3802.189520][ T10] [ 3802.191222][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3802.191222][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3802.191222][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3802.191222][ T10] ipv6_find_idev+0x102/0x170 [ 3802.191222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3802.191222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.191222][ T10] netlink_rcv_skb+0x130/0x360 [ 3802.191222][ T10] netlink_unicast+0x449/0x710 [ 3802.191222][ T10] netlink_sendmsg+0x723/0xbe0 [ 3802.191222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3802.191222][ T10] ___sys_sendmsg+0xee/0x170 [ 3802.191222][ T10] __sys_sendmsg+0xcd/0x170 [ 3802.191222][ T10] do_syscall_64+0xc6/0x1e0 [ 3802.191222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3802.191222][ T10] [ 3802.193058][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3802.193327][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3802.193327][ T10] netdev_get_by_index+0x5e/0x80 [ 3802.193327][ T10] fib6_nh_init+0x3d8/0x1580 [ 3802.193327][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3802.193327][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3802.193327][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3802.193327][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3802.193327][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3802.193327][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3802.193327][ T10] addrconf_dad_begin+0x310/0x670 [ 3802.193327][ T10] addrconf_dad_work+0x10b/0xab0 [ 3802.193327][ T10] process_one_work+0x84d/0x18a0 [ 3802.193327][ T10] worker_thread+0x587/0xd30 [ 3802.193327][ T10] kthread+0x28a/0x350 [ 3802.193327][ T10] ret_from_fork+0x31/0x70 [ 3802.193327][ T10] ret_from_fork_asm+0x1a/0x30 [ 3802.193327][ T10] [ 3802.195425][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3802.195425][ T10] netdev_get_by_index+0x5e/0x80 [ 3802.195425][ T10] fib6_nh_init+0x3d8/0x1580 [ 3802.195425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3802.195425][ T10] ip6_route_add+0x1c/0x140 [ 3802.195425][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3802.195425][ T10] inet6_addr_add+0x4f8/0xa40 [ 3802.195425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3802.195425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.195425][ T10] netlink_rcv_skb+0x130/0x360 [ 3802.195425][ T10] netlink_unicast+0x449/0x710 [ 3802.195425][ T10] netlink_sendmsg+0x723/0xbe0 [ 3802.195425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3802.195425][ T10] ___sys_sendmsg+0xee/0x170 [ 3802.195425][ T10] __sys_sendmsg+0xcd/0x170 [ 3802.195425][ T10] do_syscall_64+0xc6/0x1e0 [ 3802.195425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3802.195425][ T10] [ 3802.197792][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3802.197792][ T10] netdev_get_by_index+0x5e/0x80 [ 3802.197792][ T10] fib6_nh_init+0x3d8/0x1580 [ 3802.197792][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3802.197792][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3802.197792][ T10] ipv6_add_addr+0x411/0x2000 [ 3802.197792][ T10] inet6_addr_add+0x30e/0xa40 [ 3802.197792][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3802.197792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.197792][ T10] netlink_rcv_skb+0x130/0x360 [ 3802.197792][ T10] netlink_unicast+0x449/0x710 [ 3802.197792][ T10] netlink_sendmsg+0x723/0xbe0 [ 3802.197792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3802.197792][ T10] ___sys_sendmsg+0xee/0x170 [ 3802.197792][ T10] __sys_sendmsg+0xcd/0x170 [ 3802.197792][ T10] do_syscall_64+0xc6/0x1e0 [ 3802.197792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3802.197792][ T10] [ 3802.200217][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3802.200217][ T10] netdev_get_by_index+0x5e/0x80 [ 3802.200217][ T10] fib6_nh_init+0x3d8/0x1580 [ 3802.200217][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3802.200217][ T10] ip6_route_add+0x1c/0x140 [ 3802.200217][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3802.200217][ T10] addrconf_add_dev+0xe2/0x170 [ 3802.200217][ T10] inet6_addr_add+0x12f/0xa40 [ 3802.200217][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3802.200217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.200217][ T10] netlink_rcv_skb+0x130/0x360 [ 3802.200217][ T10] netlink_unicast+0x449/0x710 [ 3802.200217][ T10] netlink_sendmsg+0x723/0xbe0 [ 3802.200217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3802.200217][ T10] ___sys_sendmsg+0xee/0x170 [ 3802.200217][ T10] __sys_sendmsg+0xcd/0x170 [ 3802.200217][ T10] do_syscall_64+0xc6/0x1e0 [ 3802.200217][ T10] [ 3802.202579][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3802.202579][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3802.202579][ T10] ipv6_find_idev+0x102/0x170 [ 3802.202579][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3802.202579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.202579][ T10] netlink_rcv_skb+0x130/0x360 [ 3802.202579][ T10] netlink_unicast+0x449/0x710 [ 3802.202579][ T10] netlink_sendmsg+0x723/0xbe0 [ 3802.202579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3802.202579][ T10] ___sys_sendmsg+0xee/0x170 [ 3802.202579][ T10] __sys_sendmsg+0xcd/0x170 [ 3802.202579][ T10] do_syscall_64+0xc6/0x1e0 [ 3802.202579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3802.202579][ T10] [ 3802.204414][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3802.204414][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3802.204414][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3802.204414][ T10] ipv6_find_idev+0x102/0x170 [ 3802.204414][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3802.204414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.204414][ T10] netlink_rcv_skb+0x130/0x360 [ 3802.204414][ T10] netlink_unicast+0x449/0x710 [ 3802.204414][ T10] netlink_sendmsg+0x723/0xbe0 [ 3802.204414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3802.204414][ T10] ___sys_sendmsg+0xee/0x170 [ 3802.204414][ T10] __sys_sendmsg+0xcd/0x170 [ 3802.204414][ T10] do_syscall_64+0xc6/0x1e0 [ 3802.204414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3802.204414][ T10] [ 3802.206483][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3802.206740][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3802.206740][ T10] netdev_get_by_index+0x5e/0x80 [ 3802.206740][ T10] fib6_nh_init+0x3d8/0x1580 [ 3802.206740][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3802.206740][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3802.206740][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3802.206740][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3802.206740][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3802.206740][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3802.206740][ T10] addrconf_dad_begin+0x310/0x670 [ 3802.206740][ T10] addrconf_dad_work+0x10b/0xab0 [ 3802.206740][ T10] process_one_work+0x84d/0x18a0 [ 3802.206740][ T10] worker_thread+0x587/0xd30 [ 3802.206740][ T10] kthread+0x28a/0x350 [ 3802.206740][ T10] ret_from_fork+0x31/0x70 [ 3802.206740][ T10] ret_from_fork_asm+0x1a/0x30 [ 3802.206740][ T10] [ 3802.209074][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3802.209074][ T10] netdev_get_by_index+0x5e/0x80 [ 3802.209074][ T10] fib6_nh_init+0x3d8/0x1580 [ 3802.209074][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3802.209074][ T10] ip6_route_add+0x1c/0x140 [ 3802.209074][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3802.209074][ T10] inet6_addr_add+0x4f8/0xa40 [ 3802.209074][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3802.209074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.209074][ T10] netlink_rcv_skb+0x130/0x360 [ 3802.209074][ T10] netlink_unicast+0x449/0x710 [ 3802.209074][ T10] netlink_sendmsg+0x723/0xbe0 [ 3802.209074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3802.209074][ T10] ___sys_sendmsg+0xee/0x170 [ 3802.209074][ T10] __sys_sendmsg+0xcd/0x170 [ 3802.209074][ T10] do_syscall_64+0xc6/0x1e0 [ 3802.209074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3802.209074][ T10] [ 3802.211510][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3802.211510][ T10] netdev_get_by_index+0x5e/0x80 [ 3802.211510][ T10] fib6_nh_init+0x3d8/0x1580 [ 3802.211510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3802.211510][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3802.211510][ T10] ipv6_add_addr+0x411/0x2000 [ 3802.211510][ T10] inet6_addr_add+0x30e/0xa40 [ 3802.211510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3802.211510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.211510][ T10] netlink_rcv_skb+0x130/0x360 [ 3802.211510][ T10] netlink_unicast+0x449/0x710 [ 3802.211510][ T10] netlink_sendmsg+0x723/0xbe0 [ 3802.211510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3802.211510][ T10] ___sys_sendmsg+0xee/0x170 [ 3802.211510][ T10] __sys_sendmsg+0xcd/0x170 [ 3802.211510][ T10] do_syscall_64+0xc6/0x1e0 [ 3802.211510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3802.211510][ T10] [ 3802.213935][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3802.213935][ T10] netdev_get_by_index+0x5e/0x80 [ 3802.213935][ T10] fib6_nh_init+0x3d8/0x1580 [ 3802.213935][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3802.213935][ T10] ip6_route_add+0x1c/0x140 [ 3802.213935][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3802.213935][ T10] addrconf_add_dev+0xe2/0x170 [ 3802.213935][ T10] inet6_addr_add+0x12f/0xa40 [ 3802.213935][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3802.213935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.213935][ T10] netlink_rcv_skb+0x130/0x360 [ 3802.213935][ T10] netlink_unicast+0x449/0x710 [ 3802.213935][ T10] netlink_sendmsg+0x723/0xbe0 [ 3802.213935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3802.213935][ T10] ___sys_sendmsg+0xee/0x170 [ 3802.213935][ T10] __sys_sendmsg+0xcd/0x170 [ 3802.213935][ T10] do_syscall_64+0xc6/0x1e0 [ 3802.213935][ T10] [ 3802.216330][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3802.216330][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3802.216330][ T10] ipv6_find_idev+0x102/0x170 [ 3802.216330][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3802.216330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.216330][ T10] netlink_rcv_skb+0x130/0x360 [ 3802.216330][ T10] netlink_unicast+0x449/0x710 [ 3802.216330][ T10] netlink_sendmsg+0x723/0xbe0 [ 3802.216330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3802.216330][ T10] ___sys_sendmsg+0xee/0x170 [ 3802.216330][ T10] __sys_sendmsg+0xcd/0x170 [ 3802.216330][ T10] do_syscall_64+0xc6/0x1e0 [ 3802.216330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3802.216330][ T10] [ 3802.218207][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3802.218207][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3802.218207][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3802.218207][ T10] ipv6_find_idev+0x102/0x170 [ 3802.218207][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3802.218207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.218207][ T10] netlink_rcv_skb+0x130/0x360 [ 3802.218207][ T10] netlink_unicast+0x449/0x710 [ 3802.218207][ T10] netlink_sendmsg+0x723/0xbe0 [ 3802.218207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3802.218207][ T10] ___sys_sendmsg+0xee/0x170 [ 3802.218207][ T10] __sys_sendmsg+0xcd/0x170 [ 3802.218207][ T10] do_syscall_64+0xc6/0x1e0 [ 3802.218207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3802.218207][ T10] [ 3810.361138][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3810.361660][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3810.361660][ T1167] dst_init+0x84/0x4a0 [ 3810.361660][ T1167] dst_alloc+0x97/0x150 [ 3810.361660][ T1167] ip6_dst_alloc+0x23/0x90 [ 3810.361660][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3810.361660][ T1167] ip6_pol_route+0x56f/0x840 [ 3810.361660][ T1167] fib6_rule_lookup+0x334/0x630 [ 3810.361660][ T1167] ip6_route_output_flags+0x259/0x480 [ 3810.361660][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3810.361660][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3810.361660][ T1167] netlink_rcv_skb+0x130/0x360 [ 3810.361660][ T1167] netlink_unicast+0x449/0x710 [ 3810.361660][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3810.361660][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3810.361660][ T1167] ___sys_sendmsg+0xee/0x170 [ 3810.361660][ T1167] __sys_sendmsg+0xcd/0x170 [ 3810.361660][ T1167] do_syscall_64+0xc6/0x1e0 [ 3810.361660][ T1167] [ 3810.363876][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3810.363876][ T1167] netdev_get_by_index+0x5e/0x80 [ 3810.363876][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3810.363876][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3810.363876][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3810.363876][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3810.363876][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3810.363876][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3810.363876][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3810.363876][ T1167] addrconf_dad_begin+0x310/0x670 [ 3810.363876][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3810.363876][ T1167] process_one_work+0x84d/0x18a0 [ 3810.363876][ T1167] worker_thread+0x587/0xd30 [ 3810.363876][ T1167] kthread+0x28a/0x350 [ 3810.363876][ T1167] ret_from_fork+0x31/0x70 [ 3810.363876][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3810.363876][ T1167] [ 3810.366049][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3810.366049][ T1167] netdev_get_by_index+0x5e/0x80 [ 3810.366049][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3810.366049][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3810.366049][ T1167] ip6_route_add+0x1c/0x140 [ 3810.366049][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3810.366049][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3810.366049][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3810.366049][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3810.366049][ T1167] netlink_rcv_skb+0x130/0x360 [ 3810.366049][ T1167] netlink_unicast+0x449/0x710 [ 3810.366049][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3810.366049][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3810.366049][ T1167] ___sys_sendmsg+0xee/0x170 [ 3810.366049][ T1167] __sys_sendmsg+0xcd/0x170 [ 3810.366049][ T1167] do_syscall_64+0xc6/0x1e0 [ 3810.366049][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3810.366049][ T1167] [ 3810.368307][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3810.368307][ T1167] netdev_get_by_index+0x5e/0x80 [ 3810.368307][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3810.368307][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3810.368307][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3810.368307][ T1167] ipv6_add_addr+0x411/0x2000 [ 3810.368307][ T1167] inet6_addr_add+0x30e/0xa40 [ 3810.368307][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3810.368307][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3810.368307][ T1167] netlink_rcv_skb+0x130/0x360 [ 3810.368307][ T1167] netlink_unicast+0x449/0x710 [ 3810.368307][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3810.368307][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3810.368307][ T1167] ___sys_sendmsg+0xee/0x170 [ 3810.368307][ T1167] __sys_sendmsg+0xcd/0x170 [ 3810.368307][ T1167] do_syscall_64+0xc6/0x1e0 [ 3810.368307][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3810.368307][ T1167] [ 3810.370578][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3810.370578][ T1167] netdev_get_by_index+0x5e/0x80 [ 3810.370578][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3810.370578][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3810.370578][ T1167] ip6_route_add+0x1c/0x140 [ 3810.370578][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3810.370578][ T1167] addrconf_add_dev+0xe2/0x170 [ 3810.370578][ T1167] inet6_addr_add+0x12f/0xa40 [ 3810.370578][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3810.370578][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3810.370578][ T1167] netlink_rcv_skb+0x130/0x360 [ 3810.370578][ T1167] netlink_unicast+0x449/0x710 [ 3810.370578][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3810.370578][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3810.370578][ T1167] ___sys_sendmsg+0xee/0x170 [ 3810.370578][ T1167] __sys_sendmsg+0xcd/0x170 [ 3810.370578][ T1167] do_syscall_64+0xc6/0x1e0 [ 3810.370578][ T1167] [ 3810.372786][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3810.372786][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3810.372786][ T1167] ipv6_find_idev+0x102/0x170 [ 3810.372786][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3810.372786][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3810.372786][ T1167] netlink_rcv_skb+0x130/0x360 [ 3810.372786][ T1167] netlink_unicast+0x449/0x710 [ 3810.372786][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3810.372786][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3810.372786][ T1167] ___sys_sendmsg+0xee/0x170 [ 3810.372786][ T1167] __sys_sendmsg+0xcd/0x170 [ 3810.372786][ T1167] do_syscall_64+0xc6/0x1e0 [ 3810.372786][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3810.372786][ T1167] [ 3810.374513][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3810.374513][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3810.374513][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3810.374513][ T1167] ipv6_find_idev+0x102/0x170 [ 3810.374513][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3810.374513][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3810.374513][ T1167] netlink_rcv_skb+0x130/0x360 [ 3810.374513][ T1167] netlink_unicast+0x449/0x710 [ 3810.374513][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3810.374513][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3810.374513][ T1167] ___sys_sendmsg+0xee/0x170 [ 3810.374513][ T1167] __sys_sendmsg+0xcd/0x170 [ 3810.374513][ T1167] do_syscall_64+0xc6/0x1e0 [ 3810.374513][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3810.374513][ T1167] [ 3812.457051][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3812.457508][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3812.457508][ T10] netdev_get_by_index+0x5e/0x80 [ 3812.457508][ T10] fib6_nh_init+0x3d8/0x1580 [ 3812.457508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3812.457508][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3812.457508][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3812.457508][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3812.457508][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3812.457508][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3812.457508][ T10] addrconf_dad_begin+0x310/0x670 [ 3812.457508][ T10] addrconf_dad_work+0x10b/0xab0 [ 3812.457508][ T10] process_one_work+0x84d/0x18a0 [ 3812.457508][ T10] worker_thread+0x587/0xd30 [ 3812.457508][ T10] kthread+0x28a/0x350 [ 3812.457508][ T10] ret_from_fork+0x31/0x70 [ 3812.457508][ T10] ret_from_fork_asm+0x1a/0x30 [ 3812.457508][ T10] [ 3812.459461][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3812.459461][ T10] netdev_get_by_index+0x5e/0x80 [ 3812.459461][ T10] fib6_nh_init+0x3d8/0x1580 [ 3812.459461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3812.459461][ T10] ip6_route_add+0x1c/0x140 [ 3812.459461][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3812.459461][ T10] inet6_addr_add+0x4f8/0xa40 [ 3812.459461][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3812.459461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.459461][ T10] netlink_rcv_skb+0x130/0x360 [ 3812.459461][ T10] netlink_unicast+0x449/0x710 [ 3812.459461][ T10] netlink_sendmsg+0x723/0xbe0 [ 3812.459461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3812.459461][ T10] ___sys_sendmsg+0xee/0x170 [ 3812.459461][ T10] __sys_sendmsg+0xcd/0x170 [ 3812.459461][ T10] do_syscall_64+0xc6/0x1e0 [ 3812.459461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3812.459461][ T10] [ 3812.461496][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3812.461496][ T10] netdev_get_by_index+0x5e/0x80 [ 3812.461496][ T10] fib6_nh_init+0x3d8/0x1580 [ 3812.461496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3812.461496][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3812.461496][ T10] ipv6_add_addr+0x411/0x2000 [ 3812.461496][ T10] inet6_addr_add+0x30e/0xa40 [ 3812.461496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3812.461496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.461496][ T10] netlink_rcv_skb+0x130/0x360 [ 3812.461496][ T10] netlink_unicast+0x449/0x710 [ 3812.461496][ T10] netlink_sendmsg+0x723/0xbe0 [ 3812.461496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3812.461496][ T10] ___sys_sendmsg+0xee/0x170 [ 3812.461496][ T10] __sys_sendmsg+0xcd/0x170 [ 3812.461496][ T10] do_syscall_64+0xc6/0x1e0 [ 3812.461496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3812.461496][ T10] [ 3812.463504][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3812.463504][ T10] netdev_get_by_index+0x5e/0x80 [ 3812.463504][ T10] fib6_nh_init+0x3d8/0x1580 [ 3812.463504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3812.463504][ T10] ip6_route_add+0x1c/0x140 [ 3812.463504][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3812.463504][ T10] addrconf_add_dev+0xe2/0x170 [ 3812.463504][ T10] inet6_addr_add+0x12f/0xa40 [ 3812.463504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3812.463504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.463504][ T10] netlink_rcv_skb+0x130/0x360 [ 3812.463504][ T10] netlink_unicast+0x449/0x710 [ 3812.463504][ T10] netlink_sendmsg+0x723/0xbe0 [ 3812.463504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3812.463504][ T10] ___sys_sendmsg+0xee/0x170 [ 3812.463504][ T10] __sys_sendmsg+0xcd/0x170 [ 3812.463504][ T10] do_syscall_64+0xc6/0x1e0 [ 3812.463504][ T10] [ 3812.465475][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3812.465475][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3812.465475][ T10] ipv6_find_idev+0x102/0x170 [ 3812.465475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3812.465475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.465475][ T10] netlink_rcv_skb+0x130/0x360 [ 3812.465475][ T10] netlink_unicast+0x449/0x710 [ 3812.465475][ T10] netlink_sendmsg+0x723/0xbe0 [ 3812.465475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3812.465475][ T10] ___sys_sendmsg+0xee/0x170 [ 3812.465475][ T10] __sys_sendmsg+0xcd/0x170 [ 3812.465475][ T10] do_syscall_64+0xc6/0x1e0 [ 3812.465475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3812.465475][ T10] [ 3812.467021][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3812.467021][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3812.467021][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3812.467021][ T10] ipv6_find_idev+0x102/0x170 [ 3812.467021][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3812.467021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.467021][ T10] netlink_rcv_skb+0x130/0x360 [ 3812.467021][ T10] netlink_unicast+0x449/0x710 [ 3812.467021][ T10] netlink_sendmsg+0x723/0xbe0 [ 3812.467021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3812.467021][ T10] ___sys_sendmsg+0xee/0x170 [ 3812.467021][ T10] __sys_sendmsg+0xcd/0x170 [ 3812.467021][ T10] do_syscall_64+0xc6/0x1e0 [ 3812.467021][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3812.467021][ T10] [ 3812.468763][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3812.469062][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3812.469062][ T10] netdev_get_by_index+0x5e/0x80 [ 3812.469062][ T10] fib6_nh_init+0x3d8/0x1580 [ 3812.469062][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3812.469062][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3812.469062][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3812.469062][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3812.469062][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3812.469062][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3812.469062][ T10] addrconf_dad_begin+0x310/0x670 [ 3812.469062][ T10] addrconf_dad_work+0x10b/0xab0 [ 3812.469062][ T10] process_one_work+0x84d/0x18a0 [ 3812.469062][ T10] worker_thread+0x587/0xd30 [ 3812.469062][ T10] kthread+0x28a/0x350 [ 3812.469062][ T10] ret_from_fork+0x31/0x70 [ 3812.469062][ T10] ret_from_fork_asm+0x1a/0x30 [ 3812.469062][ T10] [ 3812.470997][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3812.470997][ T10] netdev_get_by_index+0x5e/0x80 [ 3812.470997][ T10] fib6_nh_init+0x3d8/0x1580 [ 3812.470997][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3812.470997][ T10] ip6_route_add+0x1c/0x140 [ 3812.470997][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3812.470997][ T10] inet6_addr_add+0x4f8/0xa40 [ 3812.470997][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3812.470997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.470997][ T10] netlink_rcv_skb+0x130/0x360 [ 3812.470997][ T10] netlink_unicast+0x449/0x710 [ 3812.470997][ T10] netlink_sendmsg+0x723/0xbe0 [ 3812.470997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3812.470997][ T10] ___sys_sendmsg+0xee/0x170 [ 3812.470997][ T10] __sys_sendmsg+0xcd/0x170 [ 3812.470997][ T10] do_syscall_64+0xc6/0x1e0 [ 3812.470997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3812.470997][ T10] [ 3812.473003][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3812.473003][ T10] netdev_get_by_index+0x5e/0x80 [ 3812.473003][ T10] fib6_nh_init+0x3d8/0x1580 [ 3812.473003][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3812.473003][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3812.473003][ T10] ipv6_add_addr+0x411/0x2000 [ 3812.473003][ T10] inet6_addr_add+0x30e/0xa40 [ 3812.473003][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3812.473003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.473003][ T10] netlink_rcv_skb+0x130/0x360 [ 3812.473003][ T10] netlink_unicast+0x449/0x710 [ 3812.473003][ T10] netlink_sendmsg+0x723/0xbe0 [ 3812.473003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3812.473003][ T10] ___sys_sendmsg+0xee/0x170 [ 3812.473003][ T10] __sys_sendmsg+0xcd/0x170 [ 3812.473003][ T10] do_syscall_64+0xc6/0x1e0 [ 3812.473003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3812.473003][ T10] [ 3812.475005][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3812.475005][ T10] netdev_get_by_index+0x5e/0x80 [ 3812.475005][ T10] fib6_nh_init+0x3d8/0x1580 [ 3812.475005][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3812.475005][ T10] ip6_route_add+0x1c/0x140 [ 3812.475005][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3812.475005][ T10] addrconf_add_dev+0xe2/0x170 [ 3812.475005][ T10] inet6_addr_add+0x12f/0xa40 [ 3812.475005][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3812.475005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.475005][ T10] netlink_rcv_skb+0x130/0x360 [ 3812.475005][ T10] netlink_unicast+0x449/0x710 [ 3812.475005][ T10] netlink_sendmsg+0x723/0xbe0 [ 3812.475005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3812.475005][ T10] ___sys_sendmsg+0xee/0x170 [ 3812.475005][ T10] __sys_sendmsg+0xcd/0x170 [ 3812.475005][ T10] do_syscall_64+0xc6/0x1e0 [ 3812.475005][ T10] [ 3812.476970][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3812.476970][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3812.476970][ T10] ipv6_find_idev+0x102/0x170 [ 3812.476970][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3812.476970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.476970][ T10] netlink_rcv_skb+0x130/0x360 [ 3812.476970][ T10] netlink_unicast+0x449/0x710 [ 3812.476970][ T10] netlink_sendmsg+0x723/0xbe0 [ 3812.476970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3812.476970][ T10] ___sys_sendmsg+0xee/0x170 [ 3812.476970][ T10] __sys_sendmsg+0xcd/0x170 [ 3812.476970][ T10] do_syscall_64+0xc6/0x1e0 [ 3812.476970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3812.476970][ T10] [ 3812.478510][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3812.478510][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3812.478510][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3812.478510][ T10] ipv6_find_idev+0x102/0x170 [ 3812.478510][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3812.478510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.478510][ T10] netlink_rcv_skb+0x130/0x360 [ 3812.478510][ T10] netlink_unicast+0x449/0x710 [ 3812.478510][ T10] netlink_sendmsg+0x723/0xbe0 [ 3812.478510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3812.478510][ T10] ___sys_sendmsg+0xee/0x170 [ 3812.478510][ T10] __sys_sendmsg+0xcd/0x170 [ 3812.478510][ T10] do_syscall_64+0xc6/0x1e0 [ 3812.478510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3812.478510][ T10] [ 3812.480221][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3812.480463][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3812.480463][ T10] netdev_get_by_index+0x5e/0x80 [ 3812.480463][ T10] fib6_nh_init+0x3d8/0x1580 [ 3812.480463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3812.480463][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3812.480463][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3812.480463][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3812.480463][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3812.480463][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3812.480463][ T10] addrconf_dad_begin+0x310/0x670 [ 3812.480463][ T10] addrconf_dad_work+0x10b/0xab0 [ 3812.480463][ T10] process_one_work+0x84d/0x18a0 [ 3812.480463][ T10] worker_thread+0x587/0xd30 [ 3812.480463][ T10] kthread+0x28a/0x350 [ 3812.480463][ T10] ret_from_fork+0x31/0x70 [ 3812.480463][ T10] ret_from_fork_asm+0x1a/0x30 [ 3812.480463][ T10] [ 3812.482376][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3812.482376][ T10] netdev_get_by_index+0x5e/0x80 [ 3812.482376][ T10] fib6_nh_init+0x3d8/0x1580 [ 3812.482376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3812.482376][ T10] ip6_route_add+0x1c/0x140 [ 3812.482376][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3812.482376][ T10] inet6_addr_add+0x4f8/0xa40 [ 3812.482376][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3812.482376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.482376][ T10] netlink_rcv_skb+0x130/0x360 [ 3812.482376][ T10] netlink_unicast+0x449/0x710 [ 3812.482376][ T10] netlink_sendmsg+0x723/0xbe0 [ 3812.482376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3812.482376][ T10] ___sys_sendmsg+0xee/0x170 [ 3812.482376][ T10] __sys_sendmsg+0xcd/0x170 [ 3812.482376][ T10] do_syscall_64+0xc6/0x1e0 [ 3812.482376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3812.482376][ T10] [ 3812.484557][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3812.484557][ T10] netdev_get_by_index+0x5e/0x80 [ 3812.484557][ T10] fib6_nh_init+0x3d8/0x1580 [ 3812.484557][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3812.484557][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3812.484557][ T10] ipv6_add_addr+0x411/0x2000 [ 3812.484557][ T10] inet6_addr_add+0x30e/0xa40 [ 3812.484557][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3812.484557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.484557][ T10] netlink_rcv_skb+0x130/0x360 [ 3812.484557][ T10] netlink_unicast+0x449/0x710 [ 3812.484557][ T10] netlink_sendmsg+0x723/0xbe0 [ 3812.484557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3812.484557][ T10] ___sys_sendmsg+0xee/0x170 [ 3812.484557][ T10] __sys_sendmsg+0xcd/0x170 [ 3812.484557][ T10] do_syscall_64+0xc6/0x1e0 [ 3812.484557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3812.484557][ T10] [ 3812.486800][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3812.486800][ T10] netdev_get_by_index+0x5e/0x80 [ 3812.486800][ T10] fib6_nh_init+0x3d8/0x1580 [ 3812.486800][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3812.486800][ T10] ip6_route_add+0x1c/0x140 [ 3812.486800][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3812.486800][ T10] addrconf_add_dev+0xe2/0x170 [ 3812.486800][ T10] inet6_addr_add+0x12f/0xa40 [ 3812.486800][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3812.486800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.486800][ T10] netlink_rcv_skb+0x130/0x360 [ 3812.486800][ T10] netlink_unicast+0x449/0x710 [ 3812.486800][ T10] netlink_sendmsg+0x723/0xbe0 [ 3812.486800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3812.486800][ T10] ___sys_sendmsg+0xee/0x170 [ 3812.486800][ T10] __sys_sendmsg+0xcd/0x170 [ 3812.486800][ T10] do_syscall_64+0xc6/0x1e0 [ 3812.486800][ T10] [ 3812.489015][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3812.489015][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3812.489015][ T10] ipv6_find_idev+0x102/0x170 [ 3812.489015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3812.489015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.489015][ T10] netlink_rcv_skb+0x130/0x360 [ 3812.489015][ T10] netlink_unicast+0x449/0x710 [ 3812.489015][ T10] netlink_sendmsg+0x723/0xbe0 [ 3812.489015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3812.489015][ T10] ___sys_sendmsg+0xee/0x170 [ 3812.489015][ T10] __sys_sendmsg+0xcd/0x170 [ 3812.489015][ T10] do_syscall_64+0xc6/0x1e0 [ 3812.489015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3812.489015][ T10] [ 3812.490807][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3812.490807][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3812.490807][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3812.490807][ T10] ipv6_find_idev+0x102/0x170 [ 3812.490807][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3812.490807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.490807][ T10] netlink_rcv_skb+0x130/0x360 [ 3812.490807][ T10] netlink_unicast+0x449/0x710 [ 3812.490807][ T10] netlink_sendmsg+0x723/0xbe0 [ 3812.490807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3812.490807][ T10] ___sys_sendmsg+0xee/0x170 [ 3812.490807][ T10] __sys_sendmsg+0xcd/0x170 [ 3812.490807][ T10] do_syscall_64+0xc6/0x1e0 [ 3812.490807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3812.490807][ T10] [ 3812.492694][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3812.492938][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3812.492938][ T10] netdev_get_by_index+0x5e/0x80 [ 3812.492938][ T10] fib6_nh_init+0x3d8/0x1580 [ 3812.492938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3812.492938][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3812.492938][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3812.492938][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3812.492938][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3812.492938][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3812.492938][ T10] addrconf_dad_begin+0x310/0x670 [ 3812.492938][ T10] addrconf_dad_work+0x10b/0xab0 [ 3812.492938][ T10] process_one_work+0x84d/0x18a0 [ 3812.492938][ T10] worker_thread+0x587/0xd30 [ 3812.492938][ T10] kthread+0x28a/0x350 [ 3812.492938][ T10] ret_from_fork+0x31/0x70 [ 3812.492938][ T10] ret_from_fork_asm+0x1a/0x30 [ 3812.492938][ T10] [ 3812.495089][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3812.495089][ T10] netdev_get_by_index+0x5e/0x80 [ 3812.495089][ T10] fib6_nh_init+0x3d8/0x1580 [ 3812.495089][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3812.495089][ T10] ip6_route_add+0x1c/0x140 [ 3812.495089][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3812.495089][ T10] inet6_addr_add+0x4f8/0xa40 [ 3812.495089][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3812.495089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.495089][ T10] netlink_rcv_skb+0x130/0x360 [ 3812.495089][ T10] netlink_unicast+0x449/0x710 [ 3812.495089][ T10] netlink_sendmsg+0x723/0xbe0 [ 3812.495089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3812.495089][ T10] ___sys_sendmsg+0xee/0x170 [ 3812.495089][ T10] __sys_sendmsg+0xcd/0x170 [ 3812.495089][ T10] do_syscall_64+0xc6/0x1e0 [ 3812.495089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3812.495089][ T10] [ 3812.497335][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3812.497335][ T10] netdev_get_by_index+0x5e/0x80 [ 3812.497335][ T10] fib6_nh_init+0x3d8/0x1580 [ 3812.497335][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3812.497335][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3812.497335][ T10] ipv6_add_addr+0x411/0x2000 [ 3812.497335][ T10] inet6_addr_add+0x30e/0xa40 [ 3812.497335][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3812.497335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.497335][ T10] netlink_rcv_skb+0x130/0x360 [ 3812.497335][ T10] netlink_unicast+0x449/0x710 [ 3812.497335][ T10] netlink_sendmsg+0x723/0xbe0 [ 3812.497335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3812.497335][ T10] ___sys_sendmsg+0xee/0x170 [ 3812.497335][ T10] __sys_sendmsg+0xcd/0x170 [ 3812.497335][ T10] do_syscall_64+0xc6/0x1e0 [ 3812.497335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3812.497335][ T10] [ 3812.499640][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3812.499640][ T10] netdev_get_by_index+0x5e/0x80 [ 3812.499640][ T10] fib6_nh_init+0x3d8/0x1580 [ 3812.499640][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3812.499640][ T10] ip6_route_add+0x1c/0x140 [ 3812.499640][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3812.499640][ T10] addrconf_add_dev+0xe2/0x170 [ 3812.499640][ T10] inet6_addr_add+0x12f/0xa40 [ 3812.499640][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3812.499640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.499640][ T10] netlink_rcv_skb+0x130/0x360 [ 3812.499640][ T10] netlink_unicast+0x449/0x710 [ 3812.499640][ T10] netlink_sendmsg+0x723/0xbe0 [ 3812.499640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3812.499640][ T10] ___sys_sendmsg+0xee/0x170 [ 3812.499640][ T10] __sys_sendmsg+0xcd/0x170 [ 3812.499640][ T10] do_syscall_64+0xc6/0x1e0 [ 3812.499640][ T10] [ 3812.501804][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3812.501804][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3812.501804][ T10] ipv6_find_idev+0x102/0x170 [ 3812.501804][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3812.501804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.501804][ T10] netlink_rcv_skb+0x130/0x360 [ 3812.501804][ T10] netlink_unicast+0x449/0x710 [ 3812.501804][ T10] netlink_sendmsg+0x723/0xbe0 [ 3812.501804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3812.501804][ T10] ___sys_sendmsg+0xee/0x170 [ 3812.501804][ T10] __sys_sendmsg+0xcd/0x170 [ 3812.501804][ T10] do_syscall_64+0xc6/0x1e0 [ 3812.501804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3812.501804][ T10] [ 3812.503544][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3812.503544][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3812.503544][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3812.503544][ T10] ipv6_find_idev+0x102/0x170 [ 3812.503544][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3812.503544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.503544][ T10] netlink_rcv_skb+0x130/0x360 [ 3812.503544][ T10] netlink_unicast+0x449/0x710 [ 3812.503544][ T10] netlink_sendmsg+0x723/0xbe0 [ 3812.503544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3812.503544][ T10] ___sys_sendmsg+0xee/0x170 [ 3812.503544][ T10] __sys_sendmsg+0xcd/0x170 [ 3812.503544][ T10] do_syscall_64+0xc6/0x1e0 [ 3812.503544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3812.503544][ T10] [ 3820.617120][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3820.617624][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3820.617624][ T1167] dst_init+0x84/0x4a0 [ 3820.617624][ T1167] dst_alloc+0x97/0x150 [ 3820.617624][ T1167] ip6_dst_alloc+0x23/0x90 [ 3820.617624][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3820.617624][ T1167] ip6_pol_route+0x56f/0x840 [ 3820.617624][ T1167] fib6_rule_lookup+0x334/0x630 [ 3820.617624][ T1167] ip6_route_output_flags+0x259/0x480 [ 3820.617624][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3820.617624][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3820.617624][ T1167] netlink_rcv_skb+0x130/0x360 [ 3820.617624][ T1167] netlink_unicast+0x449/0x710 [ 3820.617624][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3820.617624][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3820.617624][ T1167] ___sys_sendmsg+0xee/0x170 [ 3820.617624][ T1167] __sys_sendmsg+0xcd/0x170 [ 3820.617624][ T1167] do_syscall_64+0xc6/0x1e0 [ 3820.617624][ T1167] [ 3820.619834][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3820.619834][ T1167] netdev_get_by_index+0x5e/0x80 [ 3820.619834][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3820.619834][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3820.619834][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3820.619834][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3820.619834][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3820.619834][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3820.619834][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3820.619834][ T1167] addrconf_dad_begin+0x310/0x670 [ 3820.619834][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3820.619834][ T1167] process_one_work+0x84d/0x18a0 [ 3820.619834][ T1167] worker_thread+0x587/0xd30 [ 3820.619834][ T1167] kthread+0x28a/0x350 [ 3820.619834][ T1167] ret_from_fork+0x31/0x70 [ 3820.619834][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3820.619834][ T1167] [ 3820.621980][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3820.621980][ T1167] netdev_get_by_index+0x5e/0x80 [ 3820.621980][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3820.621980][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3820.621980][ T1167] ip6_route_add+0x1c/0x140 [ 3820.621980][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3820.621980][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3820.621980][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3820.621980][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3820.621980][ T1167] netlink_rcv_skb+0x130/0x360 [ 3820.621980][ T1167] netlink_unicast+0x449/0x710 [ 3820.621980][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3820.621980][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3820.621980][ T1167] ___sys_sendmsg+0xee/0x170 [ 3820.621980][ T1167] __sys_sendmsg+0xcd/0x170 [ 3820.621980][ T1167] do_syscall_64+0xc6/0x1e0 [ 3820.621980][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3820.621980][ T1167] [ 3820.624216][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3820.624216][ T1167] netdev_get_by_index+0x5e/0x80 [ 3820.624216][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3820.624216][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3820.624216][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3820.624216][ T1167] ipv6_add_addr+0x411/0x2000 [ 3820.624216][ T1167] inet6_addr_add+0x30e/0xa40 [ 3820.624216][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3820.624216][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3820.624216][ T1167] netlink_rcv_skb+0x130/0x360 [ 3820.624216][ T1167] netlink_unicast+0x449/0x710 [ 3820.624216][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3820.624216][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3820.624216][ T1167] ___sys_sendmsg+0xee/0x170 [ 3820.624216][ T1167] __sys_sendmsg+0xcd/0x170 [ 3820.624216][ T1167] do_syscall_64+0xc6/0x1e0 [ 3820.624216][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3820.624216][ T1167] [ 3820.626451][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3820.626451][ T1167] netdev_get_by_index+0x5e/0x80 [ 3820.626451][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3820.626451][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3820.626451][ T1167] ip6_route_add+0x1c/0x140 [ 3820.626451][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3820.626451][ T1167] addrconf_add_dev+0xe2/0x170 [ 3820.626451][ T1167] inet6_addr_add+0x12f/0xa40 [ 3820.626451][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3820.626451][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3820.626451][ T1167] netlink_rcv_skb+0x130/0x360 [ 3820.626451][ T1167] netlink_unicast+0x449/0x710 [ 3820.626451][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3820.626451][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3820.626451][ T1167] ___sys_sendmsg+0xee/0x170 [ 3820.626451][ T1167] __sys_sendmsg+0xcd/0x170 [ 3820.626451][ T1167] do_syscall_64+0xc6/0x1e0 [ 3820.626451][ T1167] [ 3820.628644][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3820.628644][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3820.628644][ T1167] ipv6_find_idev+0x102/0x170 [ 3820.628644][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3820.628644][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3820.628644][ T1167] netlink_rcv_skb+0x130/0x360 [ 3820.628644][ T1167] netlink_unicast+0x449/0x710 [ 3820.628644][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3820.628644][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3820.628644][ T1167] ___sys_sendmsg+0xee/0x170 [ 3820.628644][ T1167] __sys_sendmsg+0xcd/0x170 [ 3820.628644][ T1167] do_syscall_64+0xc6/0x1e0 [ 3820.628644][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3820.628644][ T1167] [ 3820.630381][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3820.630381][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3820.630381][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3820.630381][ T1167] ipv6_find_idev+0x102/0x170 [ 3820.630381][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3820.630381][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3820.630381][ T1167] netlink_rcv_skb+0x130/0x360 [ 3820.630381][ T1167] netlink_unicast+0x449/0x710 [ 3820.630381][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3820.630381][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3820.630381][ T1167] ___sys_sendmsg+0xee/0x170 [ 3820.630381][ T1167] __sys_sendmsg+0xcd/0x170 [ 3820.630381][ T1167] do_syscall_64+0xc6/0x1e0 [ 3820.630381][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3820.630381][ T1167] [ 3822.745143][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3822.745575][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3822.745575][ T10] netdev_get_by_index+0x5e/0x80 [ 3822.745575][ T10] fib6_nh_init+0x3d8/0x1580 [ 3822.745575][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3822.745575][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3822.745575][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3822.745575][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3822.745575][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3822.745575][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3822.745575][ T10] addrconf_dad_begin+0x310/0x670 [ 3822.745575][ T10] addrconf_dad_work+0x10b/0xab0 [ 3822.745575][ T10] process_one_work+0x84d/0x18a0 [ 3822.745575][ T10] worker_thread+0x587/0xd30 [ 3822.745575][ T10] kthread+0x28a/0x350 [ 3822.745575][ T10] ret_from_fork+0x31/0x70 [ 3822.745575][ T10] ret_from_fork_asm+0x1a/0x30 [ 3822.745575][ T10] [ 3822.747525][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3822.747525][ T10] netdev_get_by_index+0x5e/0x80 [ 3822.747525][ T10] fib6_nh_init+0x3d8/0x1580 [ 3822.747525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3822.747525][ T10] ip6_route_add+0x1c/0x140 [ 3822.747525][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3822.747525][ T10] inet6_addr_add+0x4f8/0xa40 [ 3822.747525][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3822.747525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3822.747525][ T10] netlink_rcv_skb+0x130/0x360 [ 3822.747525][ T10] netlink_unicast+0x449/0x710 [ 3822.747525][ T10] netlink_sendmsg+0x723/0xbe0 [ 3822.747525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3822.747525][ T10] ___sys_sendmsg+0xee/0x170 [ 3822.747525][ T10] __sys_sendmsg+0xcd/0x170 [ 3822.747525][ T10] do_syscall_64+0xc6/0x1e0 [ 3822.747525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3822.747525][ T10] [ 3822.749543][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3822.749543][ T10] netdev_get_by_index+0x5e/0x80 [ 3822.749543][ T10] fib6_nh_init+0x3d8/0x1580 [ 3822.749543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3822.749543][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3822.749543][ T10] ipv6_add_addr+0x411/0x2000 [ 3822.749543][ T10] inet6_addr_add+0x30e/0xa40 [ 3822.749543][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3822.749543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3822.749543][ T10] netlink_rcv_skb+0x130/0x360 [ 3822.749543][ T10] netlink_unicast+0x449/0x710 [ 3822.749543][ T10] netlink_sendmsg+0x723/0xbe0 [ 3822.749543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3822.749543][ T10] ___sys_sendmsg+0xee/0x170 [ 3822.749543][ T10] __sys_sendmsg+0xcd/0x170 [ 3822.749543][ T10] do_syscall_64+0xc6/0x1e0 [ 3822.749543][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3822.749543][ T10] [ 3822.751634][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3822.751634][ T10] netdev_get_by_index+0x5e/0x80 [ 3822.751634][ T10] fib6_nh_init+0x3d8/0x1580 [ 3822.751634][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3822.751634][ T10] ip6_route_add+0x1c/0x140 [ 3822.751634][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3822.751634][ T10] addrconf_add_dev+0xe2/0x170 [ 3822.751634][ T10] inet6_addr_add+0x12f/0xa40 [ 3822.751634][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3822.751634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3822.751634][ T10] netlink_rcv_skb+0x130/0x360 [ 3822.751634][ T10] netlink_unicast+0x449/0x710 [ 3822.751634][ T10] netlink_sendmsg+0x723/0xbe0 [ 3822.751634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3822.751634][ T10] ___sys_sendmsg+0xee/0x170 [ 3822.751634][ T10] __sys_sendmsg+0xcd/0x170 [ 3822.751634][ T10] do_syscall_64+0xc6/0x1e0 [ 3822.751634][ T10] [ 3822.753603][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3822.753603][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3822.753603][ T10] ipv6_find_idev+0x102/0x170 [ 3822.753603][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3822.753603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3822.753603][ T10] netlink_rcv_skb+0x130/0x360 [ 3822.753603][ T10] netlink_unicast+0x449/0x710 [ 3822.753603][ T10] netlink_sendmsg+0x723/0xbe0 [ 3822.753603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3822.753603][ T10] ___sys_sendmsg+0xee/0x170 [ 3822.753603][ T10] __sys_sendmsg+0xcd/0x170 [ 3822.753603][ T10] do_syscall_64+0xc6/0x1e0 [ 3822.753603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3822.753603][ T10] [ 3822.755149][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3822.755149][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3822.755149][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3822.755149][ T10] ipv6_find_idev+0x102/0x170 [ 3822.755149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3822.755149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3822.755149][ T10] netlink_rcv_skb+0x130/0x360 [ 3822.755149][ T10] netlink_unicast+0x449/0x710 [ 3822.755149][ T10] netlink_sendmsg+0x723/0xbe0 [ 3822.755149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3822.755149][ T10] ___sys_sendmsg+0xee/0x170 [ 3822.755149][ T10] __sys_sendmsg+0xcd/0x170 [ 3822.755149][ T10] do_syscall_64+0xc6/0x1e0 [ 3822.755149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3822.755149][ T10] [ 3822.756860][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3822.757122][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3822.757122][ T10] netdev_get_by_index+0x5e/0x80 [ 3822.757122][ T10] fib6_nh_init+0x3d8/0x1580 [ 3822.757122][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3822.757122][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3822.757122][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3822.757122][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3822.757122][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3822.757122][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3822.757122][ T10] addrconf_dad_begin+0x310/0x670 [ 3822.757122][ T10] addrconf_dad_work+0x10b/0xab0 [ 3822.757122][ T10] process_one_work+0x84d/0x18a0 [ 3822.757122][ T10] worker_thread+0x587/0xd30 [ 3822.757122][ T10] kthread+0x28a/0x350 [ 3822.757122][ T10] ret_from_fork+0x31/0x70 [ 3822.757122][ T10] ret_from_fork_asm+0x1a/0x30 [ 3822.757122][ T10] [ 3822.759042][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3822.759042][ T10] netdev_get_by_index+0x5e/0x80 [ 3822.759042][ T10] fib6_nh_init+0x3d8/0x1580 [ 3822.759042][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3822.759042][ T10] ip6_route_add+0x1c/0x140 [ 3822.759042][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3822.759042][ T10] inet6_addr_add+0x4f8/0xa40 [ 3822.759042][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3822.759042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3822.759042][ T10] netlink_rcv_skb+0x130/0x360 [ 3822.759042][ T10] netlink_unicast+0x449/0x710 [ 3822.759042][ T10] netlink_sendmsg+0x723/0xbe0 [ 3822.759042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3822.759042][ T10] ___sys_sendmsg+0xee/0x170 [ 3822.759042][ T10] __sys_sendmsg+0xcd/0x170 [ 3822.759042][ T10] do_syscall_64+0xc6/0x1e0 [ 3822.759042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3822.759042][ T10] [ 3822.761052][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3822.761052][ T10] netdev_get_by_index+0x5e/0x80 [ 3822.761052][ T10] fib6_nh_init+0x3d8/0x1580 [ 3822.761052][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3822.761052][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3822.761052][ T10] ipv6_add_addr+0x411/0x2000 [ 3822.761052][ T10] inet6_addr_add+0x30e/0xa40 [ 3822.761052][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3822.761052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3822.761052][ T10] netlink_rcv_skb+0x130/0x360 [ 3822.761052][ T10] netlink_unicast+0x449/0x710 [ 3822.761052][ T10] netlink_sendmsg+0x723/0xbe0 [ 3822.761052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3822.761052][ T10] ___sys_sendmsg+0xee/0x170 [ 3822.761052][ T10] __sys_sendmsg+0xcd/0x170 [ 3822.761052][ T10] do_syscall_64+0xc6/0x1e0 [ 3822.761052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3822.761052][ T10] [ 3822.763062][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3822.763062][ T10] netdev_get_by_index+0x5e/0x80 [ 3822.763062][ T10] fib6_nh_init+0x3d8/0x1580 [ 3822.763062][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3822.763062][ T10] ip6_route_add+0x1c/0x140 [ 3822.763062][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3822.763062][ T10] addrconf_add_dev+0xe2/0x170 [ 3822.763062][ T10] inet6_addr_add+0x12f/0xa40 [ 3822.763062][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3822.763062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3822.763062][ T10] netlink_rcv_skb+0x130/0x360 [ 3822.763062][ T10] netlink_unicast+0x449/0x710 [ 3822.763062][ T10] netlink_sendmsg+0x723/0xbe0 [ 3822.763062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3822.763062][ T10] ___sys_sendmsg+0xee/0x170 [ 3822.763062][ T10] __sys_sendmsg+0xcd/0x170 [ 3822.763062][ T10] do_syscall_64+0xc6/0x1e0 [ 3822.763062][ T10] [ 3822.765035][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3822.765035][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3822.765035][ T10] ipv6_find_idev+0x102/0x170 [ 3822.765035][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3822.765035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3822.765035][ T10] netlink_rcv_skb+0x130/0x360 [ 3822.765035][ T10] netlink_unicast+0x449/0x710 [ 3822.765035][ T10] netlink_sendmsg+0x723/0xbe0 [ 3822.765035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3822.765035][ T10] ___sys_sendmsg+0xee/0x170 [ 3822.765035][ T10] __sys_sendmsg+0xcd/0x170 [ 3822.765035][ T10] do_syscall_64+0xc6/0x1e0 [ 3822.765035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3822.765035][ T10] [ 3822.766584][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3822.766584][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3822.766584][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3822.766584][ T10] ipv6_find_idev+0x102/0x170 [ 3822.766584][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3822.766584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3822.766584][ T10] netlink_rcv_skb+0x130/0x360 [ 3822.766584][ T10] netlink_unicast+0x449/0x710 [ 3822.766584][ T10] netlink_sendmsg+0x723/0xbe0 [ 3822.766584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3822.766584][ T10] ___sys_sendmsg+0xee/0x170 [ 3822.766584][ T10] __sys_sendmsg+0xcd/0x170 [ 3822.766584][ T10] do_syscall_64+0xc6/0x1e0 [ 3822.766584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3822.766584][ T10] [ 3822.768281][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3822.768521][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3822.768521][ T10] netdev_get_by_index+0x5e/0x80 [ 3822.768521][ T10] fib6_nh_init+0x3d8/0x1580 [ 3822.768521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3822.768521][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3822.768521][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3822.768521][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3822.768521][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3822.768521][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3822.768521][ T10] addrconf_dad_begin+0x310/0x670 [ 3822.768521][ T10] addrconf_dad_work+0x10b/0xab0 [ 3822.768521][ T10] process_one_work+0x84d/0x18a0 [ 3822.768521][ T10] worker_thread+0x587/0xd30 [ 3822.768521][ T10] kthread+0x28a/0x350 [ 3822.768521][ T10] ret_from_fork+0x31/0x70 [ 3822.768521][ T10] ret_from_fork_asm+0x1a/0x30 [ 3822.768521][ T10] [ 3822.770453][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3822.770453][ T10] netdev_get_by_index+0x5e/0x80 [ 3822.770453][ T10] fib6_nh_init+0x3d8/0x1580 [ 3822.770453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3822.770453][ T10] ip6_route_add+0x1c/0x140 [ 3822.770453][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3822.770453][ T10] inet6_addr_add+0x4f8/0xa40 [ 3822.770453][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3822.770453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3822.770453][ T10] netlink_rcv_skb+0x130/0x360 [ 3822.770453][ T10] netlink_unicast+0x449/0x710 [ 3822.770453][ T10] netlink_sendmsg+0x723/0xbe0 [ 3822.770453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3822.770453][ T10] ___sys_sendmsg+0xee/0x170 [ 3822.770453][ T10] __sys_sendmsg+0xcd/0x170 [ 3822.770453][ T10] do_syscall_64+0xc6/0x1e0 [ 3822.770453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3822.770453][ T10] [ 3822.772661][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3822.772661][ T10] netdev_get_by_index+0x5e/0x80 [ 3822.772661][ T10] fib6_nh_init+0x3d8/0x1580 [ 3822.772661][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3822.772661][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3822.772661][ T10] ipv6_add_addr+0x411/0x2000 [ 3822.772661][ T10] inet6_addr_add+0x30e/0xa40 [ 3822.772661][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3822.772661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3822.772661][ T10] netlink_rcv_skb+0x130/0x360 [ 3822.772661][ T10] netlink_unicast+0x449/0x710 [ 3822.772661][ T10] netlink_sendmsg+0x723/0xbe0 [ 3822.772661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3822.772661][ T10] ___sys_sendmsg+0xee/0x170 [ 3822.772661][ T10] __sys_sendmsg+0xcd/0x170 [ 3822.772661][ T10] do_syscall_64+0xc6/0x1e0 [ 3822.772661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3822.772661][ T10] [ 3822.774915][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3822.774915][ T10] netdev_get_by_index+0x5e/0x80 [ 3822.774915][ T10] fib6_nh_init+0x3d8/0x1580 [ 3822.774915][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3822.774915][ T10] ip6_route_add+0x1c/0x140 [ 3822.774915][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3822.774915][ T10] addrconf_add_dev+0xe2/0x170 [ 3822.774915][ T10] inet6_addr_add+0x12f/0xa40 [ 3822.774915][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3822.774915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3822.774915][ T10] netlink_rcv_skb+0x130/0x360 [ 3822.774915][ T10] netlink_unicast+0x449/0x710 [ 3822.774915][ T10] netlink_sendmsg+0x723/0xbe0 [ 3822.774915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3822.774915][ T10] ___sys_sendmsg+0xee/0x170 [ 3822.774915][ T10] __sys_sendmsg+0xcd/0x170 [ 3822.774915][ T10] do_syscall_64+0xc6/0x1e0 [ 3822.774915][ T10] [ 3822.777191][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3822.777191][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3822.777191][ T10] ipv6_find_idev+0x102/0x170 [ 3822.777191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3822.777191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3822.777191][ T10] netlink_rcv_skb+0x130/0x360 [ 3822.777191][ T10] netlink_unicast+0x449/0x710 [ 3822.777191][ T10] netlink_sendmsg+0x723/0xbe0 [ 3822.777191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3822.777191][ T10] ___sys_sendmsg+0xee/0x170 [ 3822.777191][ T10] __sys_sendmsg+0xcd/0x170 [ 3822.777191][ T10] do_syscall_64+0xc6/0x1e0 [ 3822.777191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3822.777191][ T10] [ 3822.778921][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3822.778921][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3822.778921][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3822.778921][ T10] ipv6_find_idev+0x102/0x170 [ 3822.778921][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3822.778921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3822.778921][ T10] netlink_rcv_skb+0x130/0x360 [ 3822.778921][ T10] netlink_unicast+0x449/0x710 [ 3822.778921][ T10] netlink_sendmsg+0x723/0xbe0 [ 3822.778921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3822.778921][ T10] ___sys_sendmsg+0xee/0x170 [ 3822.778921][ T10] __sys_sendmsg+0xcd/0x170 [ 3822.778921][ T10] do_syscall_64+0xc6/0x1e0 [ 3822.778921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3822.778921][ T10] [ 3822.780805][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3822.781482][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3822.781482][ T10] netdev_get_by_index+0x5e/0x80 [ 3822.781482][ T10] fib6_nh_init+0x3d8/0x1580 [ 3822.781482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3822.781482][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3822.781482][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3822.781482][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3822.781482][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3822.781482][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3822.781482][ T10] addrconf_dad_begin+0x310/0x670 [ 3822.781482][ T10] addrconf_dad_work+0x10b/0xab0 [ 3822.781482][ T10] process_one_work+0x84d/0x18a0 [ 3822.781482][ T10] worker_thread+0x587/0xd30 [ 3822.781482][ T10] kthread+0x28a/0x350 [ 3822.781482][ T10] ret_from_fork+0x31/0x70 [ 3822.781482][ T10] ret_from_fork_asm+0x1a/0x30 [ 3822.781482][ T10] [ 3822.783399][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3822.783399][ T10] netdev_get_by_index+0x5e/0x80 [ 3822.783399][ T10] fib6_nh_init+0x3d8/0x1580 [ 3822.783399][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3822.783399][ T10] ip6_route_add+0x1c/0x140 [ 3822.783399][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3822.783399][ T10] inet6_addr_add+0x4f8/0xa40 [ 3822.783399][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3822.783399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3822.783399][ T10] netlink_rcv_skb+0x130/0x360 [ 3822.783399][ T10] netlink_unicast+0x449/0x710 [ 3822.783399][ T10] netlink_sendmsg+0x723/0xbe0 [ 3822.783399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3822.783399][ T10] ___sys_sendmsg+0xee/0x170 [ 3822.783399][ T10] __sys_sendmsg+0xcd/0x170 [ 3822.783399][ T10] do_syscall_64+0xc6/0x1e0 [ 3822.783399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3822.783399][ T10] [ 3822.785528][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3822.785528][ T10] netdev_get_by_index+0x5e/0x80 [ 3822.785528][ T10] fib6_nh_init+0x3d8/0x1580 [ 3822.785528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3822.785528][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3822.785528][ T10] ipv6_add_addr+0x411/0x2000 [ 3822.785528][ T10] inet6_addr_add+0x30e/0xa40 [ 3822.785528][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3822.785528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3822.785528][ T10] netlink_rcv_skb+0x130/0x360 [ 3822.785528][ T10] netlink_unicast+0x449/0x710 [ 3822.785528][ T10] netlink_sendmsg+0x723/0xbe0 [ 3822.785528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3822.785528][ T10] ___sys_sendmsg+0xee/0x170 [ 3822.785528][ T10] __sys_sendmsg+0xcd/0x170 [ 3822.785528][ T10] do_syscall_64+0xc6/0x1e0 [ 3822.785528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3822.785528][ T10] [ 3822.787780][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3822.787780][ T10] netdev_get_by_index+0x5e/0x80 [ 3822.787780][ T10] fib6_nh_init+0x3d8/0x1580 [ 3822.787780][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3822.787780][ T10] ip6_route_add+0x1c/0x140 [ 3822.787780][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3822.787780][ T10] addrconf_add_dev+0xe2/0x170 [ 3822.787780][ T10] inet6_addr_add+0x12f/0xa40 [ 3822.787780][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3822.787780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3822.787780][ T10] netlink_rcv_skb+0x130/0x360 [ 3822.787780][ T10] netlink_unicast+0x449/0x710 [ 3822.787780][ T10] netlink_sendmsg+0x723/0xbe0 [ 3822.787780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3822.787780][ T10] ___sys_sendmsg+0xee/0x170 [ 3822.787780][ T10] __sys_sendmsg+0xcd/0x170 [ 3822.787780][ T10] do_syscall_64+0xc6/0x1e0 [ 3822.787780][ T10] [ 3822.790008][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3822.790008][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3822.790008][ T10] ipv6_find_idev+0x102/0x170 [ 3822.790008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3822.790008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3822.790008][ T10] netlink_rcv_skb+0x130/0x360 [ 3822.790008][ T10] netlink_unicast+0x449/0x710 [ 3822.790008][ T10] netlink_sendmsg+0x723/0xbe0 [ 3822.790008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3822.790008][ T10] ___sys_sendmsg+0xee/0x170 [ 3822.790008][ T10] __sys_sendmsg+0xcd/0x170 [ 3822.790008][ T10] do_syscall_64+0xc6/0x1e0 [ 3822.790008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3822.790008][ T10] [ 3822.791736][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3822.791736][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3822.791736][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3822.791736][ T10] ipv6_find_idev+0x102/0x170 [ 3822.791736][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3822.791736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3822.791736][ T10] netlink_rcv_skb+0x130/0x360 [ 3822.791736][ T10] netlink_unicast+0x449/0x710 [ 3822.791736][ T10] netlink_sendmsg+0x723/0xbe0 [ 3822.791736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3822.791736][ T10] ___sys_sendmsg+0xee/0x170 [ 3822.791736][ T10] __sys_sendmsg+0xcd/0x170 [ 3822.791736][ T10] do_syscall_64+0xc6/0x1e0 [ 3822.791736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3822.791736][ T10] [ 3830.873111][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3830.873599][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3830.873599][ T1167] dst_init+0x84/0x4a0 [ 3830.873599][ T1167] dst_alloc+0x97/0x150 [ 3830.873599][ T1167] ip6_dst_alloc+0x23/0x90 [ 3830.873599][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3830.873599][ T1167] ip6_pol_route+0x56f/0x840 [ 3830.873599][ T1167] fib6_rule_lookup+0x334/0x630 [ 3830.873599][ T1167] ip6_route_output_flags+0x259/0x480 [ 3830.873599][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3830.873599][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3830.873599][ T1167] netlink_rcv_skb+0x130/0x360 [ 3830.873599][ T1167] netlink_unicast+0x449/0x710 [ 3830.873599][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3830.873599][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3830.873599][ T1167] ___sys_sendmsg+0xee/0x170 [ 3830.873599][ T1167] __sys_sendmsg+0xcd/0x170 [ 3830.873599][ T1167] do_syscall_64+0xc6/0x1e0 [ 3830.873599][ T1167] [ 3830.875795][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3830.875795][ T1167] netdev_get_by_index+0x5e/0x80 [ 3830.875795][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3830.875795][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3830.875795][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3830.875795][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3830.875795][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3830.875795][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3830.875795][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3830.875795][ T1167] addrconf_dad_begin+0x310/0x670 [ 3830.875795][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3830.875795][ T1167] process_one_work+0x84d/0x18a0 [ 3830.875795][ T1167] worker_thread+0x587/0xd30 [ 3830.875795][ T1167] kthread+0x28a/0x350 [ 3830.875795][ T1167] ret_from_fork+0x31/0x70 [ 3830.875795][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3830.875795][ T1167] [ 3830.877937][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3830.877937][ T1167] netdev_get_by_index+0x5e/0x80 [ 3830.877937][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3830.877937][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3830.877937][ T1167] ip6_route_add+0x1c/0x140 [ 3830.877937][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3830.877937][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3830.877937][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3830.877937][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3830.877937][ T1167] netlink_rcv_skb+0x130/0x360 [ 3830.877937][ T1167] netlink_unicast+0x449/0x710 [ 3830.877937][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3830.877937][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3830.877937][ T1167] ___sys_sendmsg+0xee/0x170 [ 3830.877937][ T1167] __sys_sendmsg+0xcd/0x170 [ 3830.877937][ T1167] do_syscall_64+0xc6/0x1e0 [ 3830.877937][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3830.877937][ T1167] [ 3830.880192][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3830.880192][ T1167] netdev_get_by_index+0x5e/0x80 [ 3830.880192][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3830.880192][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3830.880192][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3830.880192][ T1167] ipv6_add_addr+0x411/0x2000 [ 3830.880192][ T1167] inet6_addr_add+0x30e/0xa40 [ 3830.880192][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3830.880192][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3830.880192][ T1167] netlink_rcv_skb+0x130/0x360 [ 3830.880192][ T1167] netlink_unicast+0x449/0x710 [ 3830.880192][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3830.880192][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3830.880192][ T1167] ___sys_sendmsg+0xee/0x170 [ 3830.880192][ T1167] __sys_sendmsg+0xcd/0x170 [ 3830.880192][ T1167] do_syscall_64+0xc6/0x1e0 [ 3830.880192][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3830.880192][ T1167] [ 3830.882471][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3830.882471][ T1167] netdev_get_by_index+0x5e/0x80 [ 3830.882471][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3830.882471][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3830.882471][ T1167] ip6_route_add+0x1c/0x140 [ 3830.882471][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3830.882471][ T1167] addrconf_add_dev+0xe2/0x170 [ 3830.882471][ T1167] inet6_addr_add+0x12f/0xa40 [ 3830.882471][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3830.882471][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3830.882471][ T1167] netlink_rcv_skb+0x130/0x360 [ 3830.882471][ T1167] netlink_unicast+0x449/0x710 [ 3830.882471][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3830.882471][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3830.882471][ T1167] ___sys_sendmsg+0xee/0x170 [ 3830.882471][ T1167] __sys_sendmsg+0xcd/0x170 [ 3830.882471][ T1167] do_syscall_64+0xc6/0x1e0 [ 3830.882471][ T1167] [ 3830.884671][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3830.884671][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3830.884671][ T1167] ipv6_find_idev+0x102/0x170 [ 3830.884671][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3830.884671][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3830.884671][ T1167] netlink_rcv_skb+0x130/0x360 [ 3830.884671][ T1167] netlink_unicast+0x449/0x710 [ 3830.884671][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3830.884671][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3830.884671][ T1167] ___sys_sendmsg+0xee/0x170 [ 3830.884671][ T1167] __sys_sendmsg+0xcd/0x170 [ 3830.884671][ T1167] do_syscall_64+0xc6/0x1e0 [ 3830.884671][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3830.884671][ T1167] [ 3830.886391][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3830.886391][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3830.886391][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3830.886391][ T1167] ipv6_find_idev+0x102/0x170 [ 3830.886391][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3830.886391][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3830.886391][ T1167] netlink_rcv_skb+0x130/0x360 [ 3830.886391][ T1167] netlink_unicast+0x449/0x710 [ 3830.886391][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3830.886391][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3830.886391][ T1167] ___sys_sendmsg+0xee/0x170 [ 3830.886391][ T1167] __sys_sendmsg+0xcd/0x170 [ 3830.886391][ T1167] do_syscall_64+0xc6/0x1e0 [ 3830.886391][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3830.886391][ T1167] [ 3833.033141][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3833.033520][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3833.033520][ T10] netdev_get_by_index+0x5e/0x80 [ 3833.033520][ T10] fib6_nh_init+0x3d8/0x1580 [ 3833.033520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3833.033520][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3833.033520][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3833.033520][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3833.033520][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3833.033520][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3833.033520][ T10] addrconf_dad_begin+0x310/0x670 [ 3833.033520][ T10] addrconf_dad_work+0x10b/0xab0 [ 3833.033520][ T10] process_one_work+0x84d/0x18a0 [ 3833.033520][ T10] worker_thread+0x587/0xd30 [ 3833.033520][ T10] kthread+0x28a/0x350 [ 3833.033520][ T10] ret_from_fork+0x31/0x70 [ 3833.033520][ T10] ret_from_fork_asm+0x1a/0x30 [ 3833.033520][ T10] [ 3833.035477][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3833.035477][ T10] netdev_get_by_index+0x5e/0x80 [ 3833.035477][ T10] fib6_nh_init+0x3d8/0x1580 [ 3833.035477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3833.035477][ T10] ip6_route_add+0x1c/0x140 [ 3833.035477][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3833.035477][ T10] inet6_addr_add+0x4f8/0xa40 [ 3833.035477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3833.035477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.035477][ T10] netlink_rcv_skb+0x130/0x360 [ 3833.035477][ T10] netlink_unicast+0x449/0x710 [ 3833.035477][ T10] netlink_sendmsg+0x723/0xbe0 [ 3833.035477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3833.035477][ T10] ___sys_sendmsg+0xee/0x170 [ 3833.035477][ T10] __sys_sendmsg+0xcd/0x170 [ 3833.035477][ T10] do_syscall_64+0xc6/0x1e0 [ 3833.035477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.035477][ T10] [ 3833.037511][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3833.037511][ T10] netdev_get_by_index+0x5e/0x80 [ 3833.037511][ T10] fib6_nh_init+0x3d8/0x1580 [ 3833.037511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3833.037511][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3833.037511][ T10] ipv6_add_addr+0x411/0x2000 [ 3833.037511][ T10] inet6_addr_add+0x30e/0xa40 [ 3833.037511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3833.037511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.037511][ T10] netlink_rcv_skb+0x130/0x360 [ 3833.037511][ T10] netlink_unicast+0x449/0x710 [ 3833.037511][ T10] netlink_sendmsg+0x723/0xbe0 [ 3833.037511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3833.037511][ T10] ___sys_sendmsg+0xee/0x170 [ 3833.037511][ T10] __sys_sendmsg+0xcd/0x170 [ 3833.037511][ T10] do_syscall_64+0xc6/0x1e0 [ 3833.037511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.037511][ T10] [ 3833.039536][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3833.039536][ T10] netdev_get_by_index+0x5e/0x80 [ 3833.039536][ T10] fib6_nh_init+0x3d8/0x1580 [ 3833.039536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3833.039536][ T10] ip6_route_add+0x1c/0x140 [ 3833.039536][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3833.039536][ T10] addrconf_add_dev+0xe2/0x170 [ 3833.039536][ T10] inet6_addr_add+0x12f/0xa40 [ 3833.039536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3833.039536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.039536][ T10] netlink_rcv_skb+0x130/0x360 [ 3833.039536][ T10] netlink_unicast+0x449/0x710 [ 3833.039536][ T10] netlink_sendmsg+0x723/0xbe0 [ 3833.039536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3833.039536][ T10] ___sys_sendmsg+0xee/0x170 [ 3833.039536][ T10] __sys_sendmsg+0xcd/0x170 [ 3833.039536][ T10] do_syscall_64+0xc6/0x1e0 [ 3833.039536][ T10] [ 3833.041529][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3833.041529][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3833.041529][ T10] ipv6_find_idev+0x102/0x170 [ 3833.041529][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3833.041529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.041529][ T10] netlink_rcv_skb+0x130/0x360 [ 3833.041529][ T10] netlink_unicast+0x449/0x710 [ 3833.041529][ T10] netlink_sendmsg+0x723/0xbe0 [ 3833.041529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3833.041529][ T10] ___sys_sendmsg+0xee/0x170 [ 3833.041529][ T10] __sys_sendmsg+0xcd/0x170 [ 3833.041529][ T10] do_syscall_64+0xc6/0x1e0 [ 3833.041529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.041529][ T10] [ 3833.043084][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3833.043084][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3833.043084][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3833.043084][ T10] ipv6_find_idev+0x102/0x170 [ 3833.043084][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3833.043084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.043084][ T10] netlink_rcv_skb+0x130/0x360 [ 3833.043084][ T10] netlink_unicast+0x449/0x710 [ 3833.043084][ T10] netlink_sendmsg+0x723/0xbe0 [ 3833.043084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3833.043084][ T10] ___sys_sendmsg+0xee/0x170 [ 3833.043084][ T10] __sys_sendmsg+0xcd/0x170 [ 3833.043084][ T10] do_syscall_64+0xc6/0x1e0 [ 3833.043084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.043084][ T10] [ 3833.044798][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3833.045084][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3833.045084][ T10] netdev_get_by_index+0x5e/0x80 [ 3833.045084][ T10] fib6_nh_init+0x3d8/0x1580 [ 3833.045084][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3833.045084][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3833.045084][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3833.045084][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3833.045084][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3833.045084][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3833.045084][ T10] addrconf_dad_begin+0x310/0x670 [ 3833.045084][ T10] addrconf_dad_work+0x10b/0xab0 [ 3833.045084][ T10] process_one_work+0x84d/0x18a0 [ 3833.045084][ T10] worker_thread+0x587/0xd30 [ 3833.045084][ T10] kthread+0x28a/0x350 [ 3833.045084][ T10] ret_from_fork+0x31/0x70 [ 3833.045084][ T10] ret_from_fork_asm+0x1a/0x30 [ 3833.045084][ T10] [ 3833.047014][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3833.047014][ T10] netdev_get_by_index+0x5e/0x80 [ 3833.047014][ T10] fib6_nh_init+0x3d8/0x1580 [ 3833.047014][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3833.047014][ T10] ip6_route_add+0x1c/0x140 [ 3833.047014][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3833.047014][ T10] inet6_addr_add+0x4f8/0xa40 [ 3833.047014][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3833.047014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.047014][ T10] netlink_rcv_skb+0x130/0x360 [ 3833.047014][ T10] netlink_unicast+0x449/0x710 [ 3833.047014][ T10] netlink_sendmsg+0x723/0xbe0 [ 3833.047014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3833.047014][ T10] ___sys_sendmsg+0xee/0x170 [ 3833.047014][ T10] __sys_sendmsg+0xcd/0x170 [ 3833.047014][ T10] do_syscall_64+0xc6/0x1e0 [ 3833.047014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.047014][ T10] [ 3833.049024][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3833.049024][ T10] netdev_get_by_index+0x5e/0x80 [ 3833.049024][ T10] fib6_nh_init+0x3d8/0x1580 [ 3833.049024][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3833.049024][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3833.049024][ T10] ipv6_add_addr+0x411/0x2000 [ 3833.049024][ T10] inet6_addr_add+0x30e/0xa40 [ 3833.049024][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3833.049024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.049024][ T10] netlink_rcv_skb+0x130/0x360 [ 3833.049024][ T10] netlink_unicast+0x449/0x710 [ 3833.049024][ T10] netlink_sendmsg+0x723/0xbe0 [ 3833.049024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3833.049024][ T10] ___sys_sendmsg+0xee/0x170 [ 3833.049024][ T10] __sys_sendmsg+0xcd/0x170 [ 3833.049024][ T10] do_syscall_64+0xc6/0x1e0 [ 3833.049024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.049024][ T10] [ 3833.051039][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3833.051039][ T10] netdev_get_by_index+0x5e/0x80 [ 3833.051039][ T10] fib6_nh_init+0x3d8/0x1580 [ 3833.051039][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3833.051039][ T10] ip6_route_add+0x1c/0x140 [ 3833.051039][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3833.051039][ T10] addrconf_add_dev+0xe2/0x170 [ 3833.051039][ T10] inet6_addr_add+0x12f/0xa40 [ 3833.051039][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3833.051039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.051039][ T10] netlink_rcv_skb+0x130/0x360 [ 3833.051039][ T10] netlink_unicast+0x449/0x710 [ 3833.051039][ T10] netlink_sendmsg+0x723/0xbe0 [ 3833.051039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3833.051039][ T10] ___sys_sendmsg+0xee/0x170 [ 3833.051039][ T10] __sys_sendmsg+0xcd/0x170 [ 3833.051039][ T10] do_syscall_64+0xc6/0x1e0 [ 3833.051039][ T10] [ 3833.053017][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3833.053017][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3833.053017][ T10] ipv6_find_idev+0x102/0x170 [ 3833.053017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3833.053017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.053017][ T10] netlink_rcv_skb+0x130/0x360 [ 3833.053017][ T10] netlink_unicast+0x449/0x710 [ 3833.053017][ T10] netlink_sendmsg+0x723/0xbe0 [ 3833.053017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3833.053017][ T10] ___sys_sendmsg+0xee/0x170 [ 3833.053017][ T10] __sys_sendmsg+0xcd/0x170 [ 3833.053017][ T10] do_syscall_64+0xc6/0x1e0 [ 3833.053017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.053017][ T10] [ 3833.054566][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3833.054566][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3833.054566][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3833.054566][ T10] ipv6_find_idev+0x102/0x170 [ 3833.054566][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3833.054566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.054566][ T10] netlink_rcv_skb+0x130/0x360 [ 3833.054566][ T10] netlink_unicast+0x449/0x710 [ 3833.054566][ T10] netlink_sendmsg+0x723/0xbe0 [ 3833.054566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3833.054566][ T10] ___sys_sendmsg+0xee/0x170 [ 3833.054566][ T10] __sys_sendmsg+0xcd/0x170 [ 3833.054566][ T10] do_syscall_64+0xc6/0x1e0 [ 3833.054566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.054566][ T10] [ 3833.056267][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3833.056511][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3833.056511][ T10] netdev_get_by_index+0x5e/0x80 [ 3833.056511][ T10] fib6_nh_init+0x3d8/0x1580 [ 3833.056511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3833.056511][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3833.056511][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3833.056511][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3833.056511][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3833.056511][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3833.056511][ T10] addrconf_dad_begin+0x310/0x670 [ 3833.056511][ T10] addrconf_dad_work+0x10b/0xab0 [ 3833.056511][ T10] process_one_work+0x84d/0x18a0 [ 3833.056511][ T10] worker_thread+0x587/0xd30 [ 3833.056511][ T10] kthread+0x28a/0x350 [ 3833.056511][ T10] ret_from_fork+0x31/0x70 [ 3833.056511][ T10] ret_from_fork_asm+0x1a/0x30 [ 3833.056511][ T10] [ 3833.058448][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3833.058448][ T10] netdev_get_by_index+0x5e/0x80 [ 3833.058448][ T10] fib6_nh_init+0x3d8/0x1580 [ 3833.058448][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3833.058448][ T10] ip6_route_add+0x1c/0x140 [ 3833.058448][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3833.058448][ T10] inet6_addr_add+0x4f8/0xa40 [ 3833.058448][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3833.058448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.058448][ T10] netlink_rcv_skb+0x130/0x360 [ 3833.058448][ T10] netlink_unicast+0x449/0x710 [ 3833.058448][ T10] netlink_sendmsg+0x723/0xbe0 [ 3833.058448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3833.058448][ T10] ___sys_sendmsg+0xee/0x170 [ 3833.058448][ T10] __sys_sendmsg+0xcd/0x170 [ 3833.058448][ T10] do_syscall_64+0xc6/0x1e0 [ 3833.058448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.058448][ T10] [ 3833.060652][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3833.060652][ T10] netdev_get_by_index+0x5e/0x80 [ 3833.060652][ T10] fib6_nh_init+0x3d8/0x1580 [ 3833.060652][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3833.060652][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3833.060652][ T10] ipv6_add_addr+0x411/0x2000 [ 3833.060652][ T10] inet6_addr_add+0x30e/0xa40 [ 3833.060652][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3833.060652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.060652][ T10] netlink_rcv_skb+0x130/0x360 [ 3833.060652][ T10] netlink_unicast+0x449/0x710 [ 3833.060652][ T10] netlink_sendmsg+0x723/0xbe0 [ 3833.060652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3833.060652][ T10] ___sys_sendmsg+0xee/0x170 [ 3833.060652][ T10] __sys_sendmsg+0xcd/0x170 [ 3833.060652][ T10] do_syscall_64+0xc6/0x1e0 [ 3833.060652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.060652][ T10] [ 3833.062980][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3833.062980][ T10] netdev_get_by_index+0x5e/0x80 [ 3833.062980][ T10] fib6_nh_init+0x3d8/0x1580 [ 3833.062980][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3833.062980][ T10] ip6_route_add+0x1c/0x140 [ 3833.062980][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3833.062980][ T10] addrconf_add_dev+0xe2/0x170 [ 3833.062980][ T10] inet6_addr_add+0x12f/0xa40 [ 3833.062980][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3833.062980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.062980][ T10] netlink_rcv_skb+0x130/0x360 [ 3833.062980][ T10] netlink_unicast+0x449/0x710 [ 3833.062980][ T10] netlink_sendmsg+0x723/0xbe0 [ 3833.062980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3833.062980][ T10] ___sys_sendmsg+0xee/0x170 [ 3833.062980][ T10] __sys_sendmsg+0xcd/0x170 [ 3833.062980][ T10] do_syscall_64+0xc6/0x1e0 [ 3833.062980][ T10] [ 3833.065200][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3833.065200][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3833.065200][ T10] ipv6_find_idev+0x102/0x170 [ 3833.065200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3833.065200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.065200][ T10] netlink_rcv_skb+0x130/0x360 [ 3833.065200][ T10] netlink_unicast+0x449/0x710 [ 3833.065200][ T10] netlink_sendmsg+0x723/0xbe0 [ 3833.065200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3833.065200][ T10] ___sys_sendmsg+0xee/0x170 [ 3833.065200][ T10] __sys_sendmsg+0xcd/0x170 [ 3833.065200][ T10] do_syscall_64+0xc6/0x1e0 [ 3833.065200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.065200][ T10] [ 3833.066929][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3833.066929][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3833.066929][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3833.066929][ T10] ipv6_find_idev+0x102/0x170 [ 3833.066929][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3833.066929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.066929][ T10] netlink_rcv_skb+0x130/0x360 [ 3833.066929][ T10] netlink_unicast+0x449/0x710 [ 3833.066929][ T10] netlink_sendmsg+0x723/0xbe0 [ 3833.066929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3833.066929][ T10] ___sys_sendmsg+0xee/0x170 [ 3833.066929][ T10] __sys_sendmsg+0xcd/0x170 [ 3833.066929][ T10] do_syscall_64+0xc6/0x1e0 [ 3833.066929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.066929][ T10] [ 3833.068816][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3833.069490][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3833.069490][ T10] netdev_get_by_index+0x5e/0x80 [ 3833.069490][ T10] fib6_nh_init+0x3d8/0x1580 [ 3833.069490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3833.069490][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3833.069490][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3833.069490][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3833.069490][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3833.069490][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3833.069490][ T10] addrconf_dad_begin+0x310/0x670 [ 3833.069490][ T10] addrconf_dad_work+0x10b/0xab0 [ 3833.069490][ T10] process_one_work+0x84d/0x18a0 [ 3833.069490][ T10] worker_thread+0x587/0xd30 [ 3833.069490][ T10] kthread+0x28a/0x350 [ 3833.069490][ T10] ret_from_fork+0x31/0x70 [ 3833.069490][ T10] ret_from_fork_asm+0x1a/0x30 [ 3833.069490][ T10] [ 3833.071460][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3833.071460][ T10] netdev_get_by_index+0x5e/0x80 [ 3833.071460][ T10] fib6_nh_init+0x3d8/0x1580 [ 3833.071460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3833.071460][ T10] ip6_route_add+0x1c/0x140 [ 3833.071460][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3833.071460][ T10] inet6_addr_add+0x4f8/0xa40 [ 3833.071460][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3833.071460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.071460][ T10] netlink_rcv_skb+0x130/0x360 [ 3833.071460][ T10] netlink_unicast+0x449/0x710 [ 3833.071460][ T10] netlink_sendmsg+0x723/0xbe0 [ 3833.071460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3833.071460][ T10] ___sys_sendmsg+0xee/0x170 [ 3833.071460][ T10] __sys_sendmsg+0xcd/0x170 [ 3833.071460][ T10] do_syscall_64+0xc6/0x1e0 [ 3833.071460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.071460][ T10] [ 3833.073596][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3833.073596][ T10] netdev_get_by_index+0x5e/0x80 [ 3833.073596][ T10] fib6_nh_init+0x3d8/0x1580 [ 3833.073596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3833.073596][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3833.073596][ T10] ipv6_add_addr+0x411/0x2000 [ 3833.073596][ T10] inet6_addr_add+0x30e/0xa40 [ 3833.073596][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3833.073596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.073596][ T10] netlink_rcv_skb+0x130/0x360 [ 3833.073596][ T10] netlink_unicast+0x449/0x710 [ 3833.073596][ T10] netlink_sendmsg+0x723/0xbe0 [ 3833.073596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3833.073596][ T10] ___sys_sendmsg+0xee/0x170 [ 3833.073596][ T10] __sys_sendmsg+0xcd/0x170 [ 3833.073596][ T10] do_syscall_64+0xc6/0x1e0 [ 3833.073596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.073596][ T10] [ 3833.075919][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3833.075919][ T10] netdev_get_by_index+0x5e/0x80 [ 3833.075919][ T10] fib6_nh_init+0x3d8/0x1580 [ 3833.075919][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3833.075919][ T10] ip6_route_add+0x1c/0x140 [ 3833.075919][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3833.075919][ T10] addrconf_add_dev+0xe2/0x170 [ 3833.075919][ T10] inet6_addr_add+0x12f/0xa40 [ 3833.075919][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3833.075919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.075919][ T10] netlink_rcv_skb+0x130/0x360 [ 3833.075919][ T10] netlink_unicast+0x449/0x710 [ 3833.075919][ T10] netlink_sendmsg+0x723/0xbe0 [ 3833.075919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3833.075919][ T10] ___sys_sendmsg+0xee/0x170 [ 3833.075919][ T10] __sys_sendmsg+0xcd/0x170 [ 3833.075919][ T10] do_syscall_64+0xc6/0x1e0 [ 3833.075919][ T10] [ 3833.078079][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3833.078079][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3833.078079][ T10] ipv6_find_idev+0x102/0x170 [ 3833.078079][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3833.078079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.078079][ T10] netlink_rcv_skb+0x130/0x360 [ 3833.078079][ T10] netlink_unicast+0x449/0x710 [ 3833.078079][ T10] netlink_sendmsg+0x723/0xbe0 [ 3833.078079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3833.078079][ T10] ___sys_sendmsg+0xee/0x170 [ 3833.078079][ T10] __sys_sendmsg+0xcd/0x170 [ 3833.078079][ T10] do_syscall_64+0xc6/0x1e0 [ 3833.078079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.078079][ T10] [ 3833.079811][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3833.079811][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3833.079811][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3833.079811][ T10] ipv6_find_idev+0x102/0x170 [ 3833.079811][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3833.079811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.079811][ T10] netlink_rcv_skb+0x130/0x360 [ 3833.079811][ T10] netlink_unicast+0x449/0x710 [ 3833.079811][ T10] netlink_sendmsg+0x723/0xbe0 [ 3833.079811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3833.079811][ T10] ___sys_sendmsg+0xee/0x170 [ 3833.079811][ T10] __sys_sendmsg+0xcd/0x170 [ 3833.079811][ T10] do_syscall_64+0xc6/0x1e0 [ 3833.079811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.079811][ T10] [ 3841.129126][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3841.129614][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3841.129614][ T1167] dst_init+0x84/0x4a0 [ 3841.129614][ T1167] dst_alloc+0x97/0x150 [ 3841.129614][ T1167] ip6_dst_alloc+0x23/0x90 [ 3841.129614][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3841.129614][ T1167] ip6_pol_route+0x56f/0x840 [ 3841.129614][ T1167] fib6_rule_lookup+0x334/0x630 [ 3841.129614][ T1167] ip6_route_output_flags+0x259/0x480 [ 3841.129614][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3841.129614][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3841.129614][ T1167] netlink_rcv_skb+0x130/0x360 [ 3841.129614][ T1167] netlink_unicast+0x449/0x710 [ 3841.129614][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3841.129614][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3841.129614][ T1167] ___sys_sendmsg+0xee/0x170 [ 3841.129614][ T1167] __sys_sendmsg+0xcd/0x170 [ 3841.129614][ T1167] do_syscall_64+0xc6/0x1e0 [ 3841.129614][ T1167] [ 3841.131822][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3841.131822][ T1167] netdev_get_by_index+0x5e/0x80 [ 3841.131822][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3841.131822][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3841.131822][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3841.131822][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3841.131822][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3841.131822][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3841.131822][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3841.131822][ T1167] addrconf_dad_begin+0x310/0x670 [ 3841.131822][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3841.131822][ T1167] process_one_work+0x84d/0x18a0 [ 3841.131822][ T1167] worker_thread+0x587/0xd30 [ 3841.131822][ T1167] kthread+0x28a/0x350 [ 3841.131822][ T1167] ret_from_fork+0x31/0x70 [ 3841.131822][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3841.131822][ T1167] [ 3841.133963][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3841.133963][ T1167] netdev_get_by_index+0x5e/0x80 [ 3841.133963][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3841.133963][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3841.133963][ T1167] ip6_route_add+0x1c/0x140 [ 3841.133963][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3841.133963][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3841.133963][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3841.133963][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3841.133963][ T1167] netlink_rcv_skb+0x130/0x360 [ 3841.133963][ T1167] netlink_unicast+0x449/0x710 [ 3841.133963][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3841.133963][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3841.133963][ T1167] ___sys_sendmsg+0xee/0x170 [ 3841.133963][ T1167] __sys_sendmsg+0xcd/0x170 [ 3841.133963][ T1167] do_syscall_64+0xc6/0x1e0 [ 3841.133963][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3841.133963][ T1167] [ 3841.136199][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3841.136199][ T1167] netdev_get_by_index+0x5e/0x80 [ 3841.136199][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3841.136199][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3841.136199][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3841.136199][ T1167] ipv6_add_addr+0x411/0x2000 [ 3841.136199][ T1167] inet6_addr_add+0x30e/0xa40 [ 3841.136199][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3841.136199][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3841.136199][ T1167] netlink_rcv_skb+0x130/0x360 [ 3841.136199][ T1167] netlink_unicast+0x449/0x710 [ 3841.136199][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3841.136199][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3841.136199][ T1167] ___sys_sendmsg+0xee/0x170 [ 3841.136199][ T1167] __sys_sendmsg+0xcd/0x170 [ 3841.136199][ T1167] do_syscall_64+0xc6/0x1e0 [ 3841.136199][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3841.136199][ T1167] [ 3841.138448][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3841.138448][ T1167] netdev_get_by_index+0x5e/0x80 [ 3841.138448][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3841.138448][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3841.138448][ T1167] ip6_route_add+0x1c/0x140 [ 3841.138448][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3841.138448][ T1167] addrconf_add_dev+0xe2/0x170 [ 3841.138448][ T1167] inet6_addr_add+0x12f/0xa40 [ 3841.138448][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3841.138448][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3841.138448][ T1167] netlink_rcv_skb+0x130/0x360 [ 3841.138448][ T1167] netlink_unicast+0x449/0x710 [ 3841.138448][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3841.138448][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3841.138448][ T1167] ___sys_sendmsg+0xee/0x170 [ 3841.138448][ T1167] __sys_sendmsg+0xcd/0x170 [ 3841.138448][ T1167] do_syscall_64+0xc6/0x1e0 [ 3841.138448][ T1167] [ 3841.140657][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3841.140657][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3841.140657][ T1167] ipv6_find_idev+0x102/0x170 [ 3841.140657][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3841.140657][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3841.140657][ T1167] netlink_rcv_skb+0x130/0x360 [ 3841.140657][ T1167] netlink_unicast+0x449/0x710 [ 3841.140657][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3841.140657][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3841.140657][ T1167] ___sys_sendmsg+0xee/0x170 [ 3841.140657][ T1167] __sys_sendmsg+0xcd/0x170 [ 3841.140657][ T1167] do_syscall_64+0xc6/0x1e0 [ 3841.140657][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3841.140657][ T1167] [ 3841.142503][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3841.142503][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3841.142503][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3841.142503][ T1167] ipv6_find_idev+0x102/0x170 [ 3841.142503][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3841.142503][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3841.142503][ T1167] netlink_rcv_skb+0x130/0x360 [ 3841.142503][ T1167] netlink_unicast+0x449/0x710 [ 3841.142503][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3841.142503][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3841.142503][ T1167] ___sys_sendmsg+0xee/0x170 [ 3841.142503][ T1167] __sys_sendmsg+0xcd/0x170 [ 3841.142503][ T1167] do_syscall_64+0xc6/0x1e0 [ 3841.142503][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3841.142503][ T1167] [ 3843.321148][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3843.321580][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3843.321580][ T10] netdev_get_by_index+0x5e/0x80 [ 3843.321580][ T10] fib6_nh_init+0x3d8/0x1580 [ 3843.321580][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3843.321580][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3843.321580][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3843.321580][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3843.321580][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3843.321580][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3843.321580][ T10] addrconf_dad_begin+0x310/0x670 [ 3843.321580][ T10] addrconf_dad_work+0x10b/0xab0 [ 3843.321580][ T10] process_one_work+0x84d/0x18a0 [ 3843.321580][ T10] worker_thread+0x587/0xd30 [ 3843.321580][ T10] kthread+0x28a/0x350 [ 3843.321580][ T10] ret_from_fork+0x31/0x70 [ 3843.321580][ T10] ret_from_fork_asm+0x1a/0x30 [ 3843.321580][ T10] [ 3843.323521][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3843.323521][ T10] netdev_get_by_index+0x5e/0x80 [ 3843.323521][ T10] fib6_nh_init+0x3d8/0x1580 [ 3843.323521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3843.323521][ T10] ip6_route_add+0x1c/0x140 [ 3843.323521][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3843.323521][ T10] inet6_addr_add+0x4f8/0xa40 [ 3843.323521][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3843.323521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.323521][ T10] netlink_rcv_skb+0x130/0x360 [ 3843.323521][ T10] netlink_unicast+0x449/0x710 [ 3843.323521][ T10] netlink_sendmsg+0x723/0xbe0 [ 3843.323521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3843.323521][ T10] ___sys_sendmsg+0xee/0x170 [ 3843.323521][ T10] __sys_sendmsg+0xcd/0x170 [ 3843.323521][ T10] do_syscall_64+0xc6/0x1e0 [ 3843.323521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.323521][ T10] [ 3843.325544][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3843.325544][ T10] netdev_get_by_index+0x5e/0x80 [ 3843.325544][ T10] fib6_nh_init+0x3d8/0x1580 [ 3843.325544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3843.325544][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3843.325544][ T10] ipv6_add_addr+0x411/0x2000 [ 3843.325544][ T10] inet6_addr_add+0x30e/0xa40 [ 3843.325544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3843.325544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.325544][ T10] netlink_rcv_skb+0x130/0x360 [ 3843.325544][ T10] netlink_unicast+0x449/0x710 [ 3843.325544][ T10] netlink_sendmsg+0x723/0xbe0 [ 3843.325544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3843.325544][ T10] ___sys_sendmsg+0xee/0x170 [ 3843.325544][ T10] __sys_sendmsg+0xcd/0x170 [ 3843.325544][ T10] do_syscall_64+0xc6/0x1e0 [ 3843.325544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.325544][ T10] [ 3843.327573][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3843.327573][ T10] netdev_get_by_index+0x5e/0x80 [ 3843.327573][ T10] fib6_nh_init+0x3d8/0x1580 [ 3843.327573][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3843.327573][ T10] ip6_route_add+0x1c/0x140 [ 3843.327573][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3843.327573][ T10] addrconf_add_dev+0xe2/0x170 [ 3843.327573][ T10] inet6_addr_add+0x12f/0xa40 [ 3843.327573][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3843.327573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.327573][ T10] netlink_rcv_skb+0x130/0x360 [ 3843.327573][ T10] netlink_unicast+0x449/0x710 [ 3843.327573][ T10] netlink_sendmsg+0x723/0xbe0 [ 3843.327573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3843.327573][ T10] ___sys_sendmsg+0xee/0x170 [ 3843.327573][ T10] __sys_sendmsg+0xcd/0x170 [ 3843.327573][ T10] do_syscall_64+0xc6/0x1e0 [ 3843.327573][ T10] [ 3843.329552][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3843.329552][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3843.329552][ T10] ipv6_find_idev+0x102/0x170 [ 3843.329552][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3843.329552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.329552][ T10] netlink_rcv_skb+0x130/0x360 [ 3843.329552][ T10] netlink_unicast+0x449/0x710 [ 3843.329552][ T10] netlink_sendmsg+0x723/0xbe0 [ 3843.329552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3843.329552][ T10] ___sys_sendmsg+0xee/0x170 [ 3843.329552][ T10] __sys_sendmsg+0xcd/0x170 [ 3843.329552][ T10] do_syscall_64+0xc6/0x1e0 [ 3843.329552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.329552][ T10] [ 3843.331109][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3843.331109][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3843.331109][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3843.331109][ T10] ipv6_find_idev+0x102/0x170 [ 3843.331109][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3843.331109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.331109][ T10] netlink_rcv_skb+0x130/0x360 [ 3843.331109][ T10] netlink_unicast+0x449/0x710 [ 3843.331109][ T10] netlink_sendmsg+0x723/0xbe0 [ 3843.331109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3843.331109][ T10] ___sys_sendmsg+0xee/0x170 [ 3843.331109][ T10] __sys_sendmsg+0xcd/0x170 [ 3843.331109][ T10] do_syscall_64+0xc6/0x1e0 [ 3843.331109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.331109][ T10] [ 3843.332817][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3843.333079][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3843.333079][ T10] netdev_get_by_index+0x5e/0x80 [ 3843.333079][ T10] fib6_nh_init+0x3d8/0x1580 [ 3843.333079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3843.333079][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3843.333079][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3843.333079][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3843.333079][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3843.333079][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3843.333079][ T10] addrconf_dad_begin+0x310/0x670 [ 3843.333079][ T10] addrconf_dad_work+0x10b/0xab0 [ 3843.333079][ T10] process_one_work+0x84d/0x18a0 [ 3843.333079][ T10] worker_thread+0x587/0xd30 [ 3843.333079][ T10] kthread+0x28a/0x350 [ 3843.333079][ T10] ret_from_fork+0x31/0x70 [ 3843.333079][ T10] ret_from_fork_asm+0x1a/0x30 [ 3843.333079][ T10] [ 3843.335012][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3843.335012][ T10] netdev_get_by_index+0x5e/0x80 [ 3843.335012][ T10] fib6_nh_init+0x3d8/0x1580 [ 3843.335012][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3843.335012][ T10] ip6_route_add+0x1c/0x140 [ 3843.335012][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3843.335012][ T10] inet6_addr_add+0x4f8/0xa40 [ 3843.335012][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3843.335012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.335012][ T10] netlink_rcv_skb+0x130/0x360 [ 3843.335012][ T10] netlink_unicast+0x449/0x710 [ 3843.335012][ T10] netlink_sendmsg+0x723/0xbe0 [ 3843.335012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3843.335012][ T10] ___sys_sendmsg+0xee/0x170 [ 3843.335012][ T10] __sys_sendmsg+0xcd/0x170 [ 3843.335012][ T10] do_syscall_64+0xc6/0x1e0 [ 3843.335012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.335012][ T10] [ 3843.337017][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3843.337017][ T10] netdev_get_by_index+0x5e/0x80 [ 3843.337017][ T10] fib6_nh_init+0x3d8/0x1580 [ 3843.337017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3843.337017][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3843.337017][ T10] ipv6_add_addr+0x411/0x2000 [ 3843.337017][ T10] inet6_addr_add+0x30e/0xa40 [ 3843.337017][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3843.337017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.337017][ T10] netlink_rcv_skb+0x130/0x360 [ 3843.337017][ T10] netlink_unicast+0x449/0x710 [ 3843.337017][ T10] netlink_sendmsg+0x723/0xbe0 [ 3843.337017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3843.337017][ T10] ___sys_sendmsg+0xee/0x170 [ 3843.337017][ T10] __sys_sendmsg+0xcd/0x170 [ 3843.337017][ T10] do_syscall_64+0xc6/0x1e0 [ 3843.337017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.337017][ T10] [ 3843.339021][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3843.339021][ T10] netdev_get_by_index+0x5e/0x80 [ 3843.339021][ T10] fib6_nh_init+0x3d8/0x1580 [ 3843.339021][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3843.339021][ T10] ip6_route_add+0x1c/0x140 [ 3843.339021][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3843.339021][ T10] addrconf_add_dev+0xe2/0x170 [ 3843.339021][ T10] inet6_addr_add+0x12f/0xa40 [ 3843.339021][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3843.339021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.339021][ T10] netlink_rcv_skb+0x130/0x360 [ 3843.339021][ T10] netlink_unicast+0x449/0x710 [ 3843.339021][ T10] netlink_sendmsg+0x723/0xbe0 [ 3843.339021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3843.339021][ T10] ___sys_sendmsg+0xee/0x170 [ 3843.339021][ T10] __sys_sendmsg+0xcd/0x170 [ 3843.339021][ T10] do_syscall_64+0xc6/0x1e0 [ 3843.339021][ T10] [ 3843.340997][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3843.340997][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3843.340997][ T10] ipv6_find_idev+0x102/0x170 [ 3843.340997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3843.340997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.340997][ T10] netlink_rcv_skb+0x130/0x360 [ 3843.340997][ T10] netlink_unicast+0x449/0x710 [ 3843.340997][ T10] netlink_sendmsg+0x723/0xbe0 [ 3843.340997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3843.340997][ T10] ___sys_sendmsg+0xee/0x170 [ 3843.340997][ T10] __sys_sendmsg+0xcd/0x170 [ 3843.340997][ T10] do_syscall_64+0xc6/0x1e0 [ 3843.340997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.340997][ T10] [ 3843.342556][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3843.342556][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3843.342556][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3843.342556][ T10] ipv6_find_idev+0x102/0x170 [ 3843.342556][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3843.342556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.342556][ T10] netlink_rcv_skb+0x130/0x360 [ 3843.342556][ T10] netlink_unicast+0x449/0x710 [ 3843.342556][ T10] netlink_sendmsg+0x723/0xbe0 [ 3843.342556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3843.342556][ T10] ___sys_sendmsg+0xee/0x170 [ 3843.342556][ T10] __sys_sendmsg+0xcd/0x170 [ 3843.342556][ T10] do_syscall_64+0xc6/0x1e0 [ 3843.342556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.342556][ T10] [ 3843.344657][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3843.344915][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3843.344915][ T10] netdev_get_by_index+0x5e/0x80 [ 3843.344915][ T10] fib6_nh_init+0x3d8/0x1580 [ 3843.344915][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3843.344915][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3843.344915][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3843.344915][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3843.344915][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3843.344915][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3843.344915][ T10] addrconf_dad_begin+0x310/0x670 [ 3843.344915][ T10] addrconf_dad_work+0x10b/0xab0 [ 3843.344915][ T10] process_one_work+0x84d/0x18a0 [ 3843.344915][ T10] worker_thread+0x587/0xd30 [ 3843.344915][ T10] kthread+0x28a/0x350 [ 3843.344915][ T10] ret_from_fork+0x31/0x70 [ 3843.344915][ T10] ret_from_fork_asm+0x1a/0x30 [ 3843.344915][ T10] [ 3843.346856][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3843.346856][ T10] netdev_get_by_index+0x5e/0x80 [ 3843.346856][ T10] fib6_nh_init+0x3d8/0x1580 [ 3843.346856][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3843.346856][ T10] ip6_route_add+0x1c/0x140 [ 3843.346856][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3843.346856][ T10] inet6_addr_add+0x4f8/0xa40 [ 3843.346856][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3843.346856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.346856][ T10] netlink_rcv_skb+0x130/0x360 [ 3843.346856][ T10] netlink_unicast+0x449/0x710 [ 3843.346856][ T10] netlink_sendmsg+0x723/0xbe0 [ 3843.346856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3843.346856][ T10] ___sys_sendmsg+0xee/0x170 [ 3843.346856][ T10] __sys_sendmsg+0xcd/0x170 [ 3843.346856][ T10] do_syscall_64+0xc6/0x1e0 [ 3843.346856][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.346856][ T10] [ 3843.349038][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3843.349038][ T10] netdev_get_by_index+0x5e/0x80 [ 3843.349038][ T10] fib6_nh_init+0x3d8/0x1580 [ 3843.349038][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3843.349038][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3843.349038][ T10] ipv6_add_addr+0x411/0x2000 [ 3843.349038][ T10] inet6_addr_add+0x30e/0xa40 [ 3843.349038][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3843.349038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.349038][ T10] netlink_rcv_skb+0x130/0x360 [ 3843.349038][ T10] netlink_unicast+0x449/0x710 [ 3843.349038][ T10] netlink_sendmsg+0x723/0xbe0 [ 3843.349038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3843.349038][ T10] ___sys_sendmsg+0xee/0x170 [ 3843.349038][ T10] __sys_sendmsg+0xcd/0x170 [ 3843.349038][ T10] do_syscall_64+0xc6/0x1e0 [ 3843.349038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.349038][ T10] [ 3843.351356][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3843.351356][ T10] netdev_get_by_index+0x5e/0x80 [ 3843.351356][ T10] fib6_nh_init+0x3d8/0x1580 [ 3843.351356][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3843.351356][ T10] ip6_route_add+0x1c/0x140 [ 3843.351356][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3843.351356][ T10] addrconf_add_dev+0xe2/0x170 [ 3843.351356][ T10] inet6_addr_add+0x12f/0xa40 [ 3843.351356][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3843.351356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.351356][ T10] netlink_rcv_skb+0x130/0x360 [ 3843.351356][ T10] netlink_unicast+0x449/0x710 [ 3843.351356][ T10] netlink_sendmsg+0x723/0xbe0 [ 3843.351356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3843.351356][ T10] ___sys_sendmsg+0xee/0x170 [ 3843.351356][ T10] __sys_sendmsg+0xcd/0x170 [ 3843.351356][ T10] do_syscall_64+0xc6/0x1e0 [ 3843.351356][ T10] [ 3843.353585][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3843.353585][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3843.353585][ T10] ipv6_find_idev+0x102/0x170 [ 3843.353585][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3843.353585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.353585][ T10] netlink_rcv_skb+0x130/0x360 [ 3843.353585][ T10] netlink_unicast+0x449/0x710 [ 3843.353585][ T10] netlink_sendmsg+0x723/0xbe0 [ 3843.353585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3843.353585][ T10] ___sys_sendmsg+0xee/0x170 [ 3843.353585][ T10] __sys_sendmsg+0xcd/0x170 [ 3843.353585][ T10] do_syscall_64+0xc6/0x1e0 [ 3843.353585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.353585][ T10] [ 3843.355326][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3843.355326][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3843.355326][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3843.355326][ T10] ipv6_find_idev+0x102/0x170 [ 3843.355326][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3843.355326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.355326][ T10] netlink_rcv_skb+0x130/0x360 [ 3843.355326][ T10] netlink_unicast+0x449/0x710 [ 3843.355326][ T10] netlink_sendmsg+0x723/0xbe0 [ 3843.355326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3843.355326][ T10] ___sys_sendmsg+0xee/0x170 [ 3843.355326][ T10] __sys_sendmsg+0xcd/0x170 [ 3843.355326][ T10] do_syscall_64+0xc6/0x1e0 [ 3843.355326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.355326][ T10] [ 3843.357226][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3843.357486][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3843.357486][ T10] netdev_get_by_index+0x5e/0x80 [ 3843.357486][ T10] fib6_nh_init+0x3d8/0x1580 [ 3843.357486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3843.357486][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3843.357486][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3843.357486][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3843.357486][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3843.357486][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3843.357486][ T10] addrconf_dad_begin+0x310/0x670 [ 3843.357486][ T10] addrconf_dad_work+0x10b/0xab0 [ 3843.357486][ T10] process_one_work+0x84d/0x18a0 [ 3843.357486][ T10] worker_thread+0x587/0xd30 [ 3843.357486][ T10] kthread+0x28a/0x350 [ 3843.357486][ T10] ret_from_fork+0x31/0x70 [ 3843.357486][ T10] ret_from_fork_asm+0x1a/0x30 [ 3843.357486][ T10] [ 3843.359654][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3843.359654][ T10] netdev_get_by_index+0x5e/0x80 [ 3843.359654][ T10] fib6_nh_init+0x3d8/0x1580 [ 3843.359654][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3843.359654][ T10] ip6_route_add+0x1c/0x140 [ 3843.359654][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3843.359654][ T10] inet6_addr_add+0x4f8/0xa40 [ 3843.359654][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3843.359654][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.359654][ T10] netlink_rcv_skb+0x130/0x360 [ 3843.359654][ T10] netlink_unicast+0x449/0x710 [ 3843.359654][ T10] netlink_sendmsg+0x723/0xbe0 [ 3843.359654][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3843.359654][ T10] ___sys_sendmsg+0xee/0x170 [ 3843.359654][ T10] __sys_sendmsg+0xcd/0x170 [ 3843.359654][ T10] do_syscall_64+0xc6/0x1e0 [ 3843.359654][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.359654][ T10] [ 3843.361974][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3843.361974][ T10] netdev_get_by_index+0x5e/0x80 [ 3843.361974][ T10] fib6_nh_init+0x3d8/0x1580 [ 3843.361974][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3843.361974][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3843.361974][ T10] ipv6_add_addr+0x411/0x2000 [ 3843.361974][ T10] inet6_addr_add+0x30e/0xa40 [ 3843.361974][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3843.361974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.361974][ T10] netlink_rcv_skb+0x130/0x360 [ 3843.361974][ T10] netlink_unicast+0x449/0x710 [ 3843.361974][ T10] netlink_sendmsg+0x723/0xbe0 [ 3843.361974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3843.361974][ T10] ___sys_sendmsg+0xee/0x170 [ 3843.361974][ T10] __sys_sendmsg+0xcd/0x170 [ 3843.361974][ T10] do_syscall_64+0xc6/0x1e0 [ 3843.361974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.361974][ T10] [ 3843.364221][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3843.364221][ T10] netdev_get_by_index+0x5e/0x80 [ 3843.364221][ T10] fib6_nh_init+0x3d8/0x1580 [ 3843.364221][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3843.364221][ T10] ip6_route_add+0x1c/0x140 [ 3843.364221][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3843.364221][ T10] addrconf_add_dev+0xe2/0x170 [ 3843.364221][ T10] inet6_addr_add+0x12f/0xa40 [ 3843.364221][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3843.364221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.364221][ T10] netlink_rcv_skb+0x130/0x360 [ 3843.364221][ T10] netlink_unicast+0x449/0x710 [ 3843.364221][ T10] netlink_sendmsg+0x723/0xbe0 [ 3843.364221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3843.364221][ T10] ___sys_sendmsg+0xee/0x170 [ 3843.364221][ T10] __sys_sendmsg+0xcd/0x170 [ 3843.364221][ T10] do_syscall_64+0xc6/0x1e0 [ 3843.364221][ T10] [ 3843.366370][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3843.366370][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3843.366370][ T10] ipv6_find_idev+0x102/0x170 [ 3843.366370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3843.366370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.366370][ T10] netlink_rcv_skb+0x130/0x360 [ 3843.366370][ T10] netlink_unicast+0x449/0x710 [ 3843.366370][ T10] netlink_sendmsg+0x723/0xbe0 [ 3843.366370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3843.366370][ T10] ___sys_sendmsg+0xee/0x170 [ 3843.366370][ T10] __sys_sendmsg+0xcd/0x170 [ 3843.366370][ T10] do_syscall_64+0xc6/0x1e0 [ 3843.366370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.366370][ T10] [ 3843.368093][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3843.368093][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3843.368093][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3843.368093][ T10] ipv6_find_idev+0x102/0x170 [ 3843.368093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3843.368093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.368093][ T10] netlink_rcv_skb+0x130/0x360 [ 3843.368093][ T10] netlink_unicast+0x449/0x710 [ 3843.368093][ T10] netlink_sendmsg+0x723/0xbe0 [ 3843.368093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3843.368093][ T10] ___sys_sendmsg+0xee/0x170 [ 3843.368093][ T10] __sys_sendmsg+0xcd/0x170 [ 3843.368093][ T10] do_syscall_64+0xc6/0x1e0 [ 3843.368093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.368093][ T10] [ 3851.385164][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3851.385683][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3851.385683][ T1167] dst_init+0x84/0x4a0 [ 3851.385683][ T1167] dst_alloc+0x97/0x150 [ 3851.385683][ T1167] ip6_dst_alloc+0x23/0x90 [ 3851.385683][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3851.385683][ T1167] ip6_pol_route+0x56f/0x840 [ 3851.385683][ T1167] fib6_rule_lookup+0x334/0x630 [ 3851.385683][ T1167] ip6_route_output_flags+0x259/0x480 [ 3851.385683][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3851.385683][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3851.385683][ T1167] netlink_rcv_skb+0x130/0x360 [ 3851.385683][ T1167] netlink_unicast+0x449/0x710 [ 3851.385683][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3851.385683][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3851.385683][ T1167] ___sys_sendmsg+0xee/0x170 [ 3851.385683][ T1167] __sys_sendmsg+0xcd/0x170 [ 3851.385683][ T1167] do_syscall_64+0xc6/0x1e0 [ 3851.385683][ T1167] [ 3851.387890][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3851.387890][ T1167] netdev_get_by_index+0x5e/0x80 [ 3851.387890][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3851.387890][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3851.387890][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3851.387890][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3851.387890][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3851.387890][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3851.387890][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3851.387890][ T1167] addrconf_dad_begin+0x310/0x670 [ 3851.387890][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3851.387890][ T1167] process_one_work+0x84d/0x18a0 [ 3851.387890][ T1167] worker_thread+0x587/0xd30 [ 3851.387890][ T1167] kthread+0x28a/0x350 [ 3851.387890][ T1167] ret_from_fork+0x31/0x70 [ 3851.387890][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3851.387890][ T1167] [ 3851.390076][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3851.390076][ T1167] netdev_get_by_index+0x5e/0x80 [ 3851.390076][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3851.390076][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3851.390076][ T1167] ip6_route_add+0x1c/0x140 [ 3851.390076][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3851.390076][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3851.390076][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3851.390076][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3851.390076][ T1167] netlink_rcv_skb+0x130/0x360 [ 3851.390076][ T1167] netlink_unicast+0x449/0x710 [ 3851.390076][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3851.390076][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3851.390076][ T1167] ___sys_sendmsg+0xee/0x170 [ 3851.390076][ T1167] __sys_sendmsg+0xcd/0x170 [ 3851.390076][ T1167] do_syscall_64+0xc6/0x1e0 [ 3851.390076][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3851.390076][ T1167] [ 3851.392337][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3851.392337][ T1167] netdev_get_by_index+0x5e/0x80 [ 3851.392337][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3851.392337][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3851.392337][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3851.392337][ T1167] ipv6_add_addr+0x411/0x2000 [ 3851.392337][ T1167] inet6_addr_add+0x30e/0xa40 [ 3851.392337][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3851.392337][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3851.392337][ T1167] netlink_rcv_skb+0x130/0x360 [ 3851.392337][ T1167] netlink_unicast+0x449/0x710 [ 3851.392337][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3851.392337][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3851.392337][ T1167] ___sys_sendmsg+0xee/0x170 [ 3851.392337][ T1167] __sys_sendmsg+0xcd/0x170 [ 3851.392337][ T1167] do_syscall_64+0xc6/0x1e0 [ 3851.392337][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3851.392337][ T1167] [ 3851.394599][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3851.394599][ T1167] netdev_get_by_index+0x5e/0x80 [ 3851.394599][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3851.394599][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3851.394599][ T1167] ip6_route_add+0x1c/0x140 [ 3851.394599][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3851.394599][ T1167] addrconf_add_dev+0xe2/0x170 [ 3851.394599][ T1167] inet6_addr_add+0x12f/0xa40 [ 3851.394599][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3851.394599][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3851.394599][ T1167] netlink_rcv_skb+0x130/0x360 [ 3851.394599][ T1167] netlink_unicast+0x449/0x710 [ 3851.394599][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3851.394599][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3851.394599][ T1167] ___sys_sendmsg+0xee/0x170 [ 3851.394599][ T1167] __sys_sendmsg+0xcd/0x170 [ 3851.394599][ T1167] do_syscall_64+0xc6/0x1e0 [ 3851.394599][ T1167] [ 3851.396825][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3851.396825][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3851.396825][ T1167] ipv6_find_idev+0x102/0x170 [ 3851.396825][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3851.396825][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3851.396825][ T1167] netlink_rcv_skb+0x130/0x360 [ 3851.396825][ T1167] netlink_unicast+0x449/0x710 [ 3851.396825][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3851.396825][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3851.396825][ T1167] ___sys_sendmsg+0xee/0x170 [ 3851.396825][ T1167] __sys_sendmsg+0xcd/0x170 [ 3851.396825][ T1167] do_syscall_64+0xc6/0x1e0 [ 3851.396825][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3851.396825][ T1167] [ 3851.398566][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3851.398566][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3851.398566][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3851.398566][ T1167] ipv6_find_idev+0x102/0x170 [ 3851.398566][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3851.398566][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3851.398566][ T1167] netlink_rcv_skb+0x130/0x360 [ 3851.398566][ T1167] netlink_unicast+0x449/0x710 [ 3851.398566][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3851.398566][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3851.398566][ T1167] ___sys_sendmsg+0xee/0x170 [ 3851.398566][ T1167] __sys_sendmsg+0xcd/0x170 [ 3851.398566][ T1167] do_syscall_64+0xc6/0x1e0 [ 3851.398566][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3851.398566][ T1167] [ 3853.433141][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3853.433545][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3853.433545][ T10] netdev_get_by_index+0x5e/0x80 [ 3853.433545][ T10] fib6_nh_init+0x3d8/0x1580 [ 3853.433545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3853.433545][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3853.433545][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3853.433545][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3853.433545][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3853.433545][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3853.433545][ T10] addrconf_dad_begin+0x310/0x670 [ 3853.433545][ T10] addrconf_dad_work+0x10b/0xab0 [ 3853.433545][ T10] process_one_work+0x84d/0x18a0 [ 3853.433545][ T10] worker_thread+0x587/0xd30 [ 3853.433545][ T10] kthread+0x28a/0x350 [ 3853.433545][ T10] ret_from_fork+0x31/0x70 [ 3853.433545][ T10] ret_from_fork_asm+0x1a/0x30 [ 3853.433545][ T10] [ 3853.435480][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3853.435480][ T10] netdev_get_by_index+0x5e/0x80 [ 3853.435480][ T10] fib6_nh_init+0x3d8/0x1580 [ 3853.435480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3853.435480][ T10] ip6_route_add+0x1c/0x140 [ 3853.435480][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3853.435480][ T10] inet6_addr_add+0x4f8/0xa40 [ 3853.435480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3853.435480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.435480][ T10] netlink_rcv_skb+0x130/0x360 [ 3853.435480][ T10] netlink_unicast+0x449/0x710 [ 3853.435480][ T10] netlink_sendmsg+0x723/0xbe0 [ 3853.435480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3853.435480][ T10] ___sys_sendmsg+0xee/0x170 [ 3853.435480][ T10] __sys_sendmsg+0xcd/0x170 [ 3853.435480][ T10] do_syscall_64+0xc6/0x1e0 [ 3853.435480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3853.435480][ T10] [ 3853.437568][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3853.437568][ T10] netdev_get_by_index+0x5e/0x80 [ 3853.437568][ T10] fib6_nh_init+0x3d8/0x1580 [ 3853.437568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3853.437568][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3853.437568][ T10] ipv6_add_addr+0x411/0x2000 [ 3853.437568][ T10] inet6_addr_add+0x30e/0xa40 [ 3853.437568][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3853.437568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.437568][ T10] netlink_rcv_skb+0x130/0x360 [ 3853.437568][ T10] netlink_unicast+0x449/0x710 [ 3853.437568][ T10] netlink_sendmsg+0x723/0xbe0 [ 3853.437568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3853.437568][ T10] ___sys_sendmsg+0xee/0x170 [ 3853.437568][ T10] __sys_sendmsg+0xcd/0x170 [ 3853.437568][ T10] do_syscall_64+0xc6/0x1e0 [ 3853.437568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3853.437568][ T10] [ 3853.439562][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3853.439562][ T10] netdev_get_by_index+0x5e/0x80 [ 3853.439562][ T10] fib6_nh_init+0x3d8/0x1580 [ 3853.439562][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3853.439562][ T10] ip6_route_add+0x1c/0x140 [ 3853.439562][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3853.439562][ T10] addrconf_add_dev+0xe2/0x170 [ 3853.439562][ T10] inet6_addr_add+0x12f/0xa40 [ 3853.439562][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3853.439562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.439562][ T10] netlink_rcv_skb+0x130/0x360 [ 3853.439562][ T10] netlink_unicast+0x449/0x710 [ 3853.439562][ T10] netlink_sendmsg+0x723/0xbe0 [ 3853.439562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3853.439562][ T10] ___sys_sendmsg+0xee/0x170 [ 3853.439562][ T10] __sys_sendmsg+0xcd/0x170 [ 3853.439562][ T10] do_syscall_64+0xc6/0x1e0 [ 3853.439562][ T10] [ 3853.441523][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3853.441523][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3853.441523][ T10] ipv6_find_idev+0x102/0x170 [ 3853.441523][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3853.441523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.441523][ T10] netlink_rcv_skb+0x130/0x360 [ 3853.441523][ T10] netlink_unicast+0x449/0x710 [ 3853.441523][ T10] netlink_sendmsg+0x723/0xbe0 [ 3853.441523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3853.441523][ T10] ___sys_sendmsg+0xee/0x170 [ 3853.441523][ T10] __sys_sendmsg+0xcd/0x170 [ 3853.441523][ T10] do_syscall_64+0xc6/0x1e0 [ 3853.441523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3853.441523][ T10] [ 3853.443060][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3853.443060][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3853.443060][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3853.443060][ T10] ipv6_find_idev+0x102/0x170 [ 3853.443060][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3853.443060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.443060][ T10] netlink_rcv_skb+0x130/0x360 [ 3853.443060][ T10] netlink_unicast+0x449/0x710 [ 3853.443060][ T10] netlink_sendmsg+0x723/0xbe0 [ 3853.443060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3853.443060][ T10] ___sys_sendmsg+0xee/0x170 [ 3853.443060][ T10] __sys_sendmsg+0xcd/0x170 [ 3853.443060][ T10] do_syscall_64+0xc6/0x1e0 [ 3853.443060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3853.443060][ T10] [ 3853.444743][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3853.445025][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3853.445025][ T10] netdev_get_by_index+0x5e/0x80 [ 3853.445025][ T10] fib6_nh_init+0x3d8/0x1580 [ 3853.445025][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3853.445025][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3853.445025][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3853.445025][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3853.445025][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3853.445025][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3853.445025][ T10] addrconf_dad_begin+0x310/0x670 [ 3853.445025][ T10] addrconf_dad_work+0x10b/0xab0 [ 3853.445025][ T10] process_one_work+0x84d/0x18a0 [ 3853.445025][ T10] worker_thread+0x587/0xd30 [ 3853.445025][ T10] kthread+0x28a/0x350 [ 3853.445025][ T10] ret_from_fork+0x31/0x70 [ 3853.445025][ T10] ret_from_fork_asm+0x1a/0x30 [ 3853.445025][ T10] [ 3853.446930][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3853.446930][ T10] netdev_get_by_index+0x5e/0x80 [ 3853.446930][ T10] fib6_nh_init+0x3d8/0x1580 [ 3853.446930][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3853.446930][ T10] ip6_route_add+0x1c/0x140 [ 3853.446930][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3853.446930][ T10] inet6_addr_add+0x4f8/0xa40 [ 3853.446930][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3853.446930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.446930][ T10] netlink_rcv_skb+0x130/0x360 [ 3853.446930][ T10] netlink_unicast+0x449/0x710 [ 3853.446930][ T10] netlink_sendmsg+0x723/0xbe0 [ 3853.446930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3853.446930][ T10] ___sys_sendmsg+0xee/0x170 [ 3853.446930][ T10] __sys_sendmsg+0xcd/0x170 [ 3853.446930][ T10] do_syscall_64+0xc6/0x1e0 [ 3853.446930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3853.446930][ T10] [ 3853.448915][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3853.448915][ T10] netdev_get_by_index+0x5e/0x80 [ 3853.448915][ T10] fib6_nh_init+0x3d8/0x1580 [ 3853.448915][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3853.448915][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3853.448915][ T10] ipv6_add_addr+0x411/0x2000 [ 3853.448915][ T10] inet6_addr_add+0x30e/0xa40 [ 3853.448915][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3853.448915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.448915][ T10] netlink_rcv_skb+0x130/0x360 [ 3853.448915][ T10] netlink_unicast+0x449/0x710 [ 3853.448915][ T10] netlink_sendmsg+0x723/0xbe0 [ 3853.448915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3853.448915][ T10] ___sys_sendmsg+0xee/0x170 [ 3853.448915][ T10] __sys_sendmsg+0xcd/0x170 [ 3853.448915][ T10] do_syscall_64+0xc6/0x1e0 [ 3853.448915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3853.448915][ T10] [ 3853.450914][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3853.450914][ T10] netdev_get_by_index+0x5e/0x80 [ 3853.450914][ T10] fib6_nh_init+0x3d8/0x1580 [ 3853.450914][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3853.450914][ T10] ip6_route_add+0x1c/0x140 [ 3853.450914][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3853.450914][ T10] addrconf_add_dev+0xe2/0x170 [ 3853.450914][ T10] inet6_addr_add+0x12f/0xa40 [ 3853.450914][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3853.450914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.450914][ T10] netlink_rcv_skb+0x130/0x360 [ 3853.450914][ T10] netlink_unicast+0x449/0x710 [ 3853.450914][ T10] netlink_sendmsg+0x723/0xbe0 [ 3853.450914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3853.450914][ T10] ___sys_sendmsg+0xee/0x170 [ 3853.450914][ T10] __sys_sendmsg+0xcd/0x170 [ 3853.450914][ T10] do_syscall_64+0xc6/0x1e0 [ 3853.450914][ T10] [ 3853.452876][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3853.452876][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3853.452876][ T10] ipv6_find_idev+0x102/0x170 [ 3853.452876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3853.452876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.452876][ T10] netlink_rcv_skb+0x130/0x360 [ 3853.452876][ T10] netlink_unicast+0x449/0x710 [ 3853.452876][ T10] netlink_sendmsg+0x723/0xbe0 [ 3853.452876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3853.452876][ T10] ___sys_sendmsg+0xee/0x170 [ 3853.452876][ T10] __sys_sendmsg+0xcd/0x170 [ 3853.452876][ T10] do_syscall_64+0xc6/0x1e0 [ 3853.452876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3853.452876][ T10] [ 3853.454403][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3853.454403][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3853.454403][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3853.454403][ T10] ipv6_find_idev+0x102/0x170 [ 3853.454403][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3853.454403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.454403][ T10] netlink_rcv_skb+0x130/0x360 [ 3853.454403][ T10] netlink_unicast+0x449/0x710 [ 3853.454403][ T10] netlink_sendmsg+0x723/0xbe0 [ 3853.454403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3853.454403][ T10] ___sys_sendmsg+0xee/0x170 [ 3853.454403][ T10] __sys_sendmsg+0xcd/0x170 [ 3853.454403][ T10] do_syscall_64+0xc6/0x1e0 [ 3853.454403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3853.454403][ T10] [ 3853.456075][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3853.456309][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3853.456309][ T10] netdev_get_by_index+0x5e/0x80 [ 3853.456309][ T10] fib6_nh_init+0x3d8/0x1580 [ 3853.456309][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3853.456309][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3853.456309][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3853.456309][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3853.456309][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3853.456309][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3853.456309][ T10] addrconf_dad_begin+0x310/0x670 [ 3853.456309][ T10] addrconf_dad_work+0x10b/0xab0 [ 3853.456309][ T10] process_one_work+0x84d/0x18a0 [ 3853.456309][ T10] worker_thread+0x587/0xd30 [ 3853.456309][ T10] kthread+0x28a/0x350 [ 3853.456309][ T10] ret_from_fork+0x31/0x70 [ 3853.456309][ T10] ret_from_fork_asm+0x1a/0x30 [ 3853.456309][ T10] [ 3853.458212][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3853.458212][ T10] netdev_get_by_index+0x5e/0x80 [ 3853.458212][ T10] fib6_nh_init+0x3d8/0x1580 [ 3853.458212][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3853.458212][ T10] ip6_route_add+0x1c/0x140 [ 3853.458212][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3853.458212][ T10] inet6_addr_add+0x4f8/0xa40 [ 3853.458212][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3853.458212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.458212][ T10] netlink_rcv_skb+0x130/0x360 [ 3853.458212][ T10] netlink_unicast+0x449/0x710 [ 3853.458212][ T10] netlink_sendmsg+0x723/0xbe0 [ 3853.458212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3853.458212][ T10] ___sys_sendmsg+0xee/0x170 [ 3853.458212][ T10] __sys_sendmsg+0xcd/0x170 [ 3853.458212][ T10] do_syscall_64+0xc6/0x1e0 [ 3853.458212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3853.458212][ T10] [ 3853.460398][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3853.460398][ T10] netdev_get_by_index+0x5e/0x80 [ 3853.460398][ T10] fib6_nh_init+0x3d8/0x1580 [ 3853.460398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3853.460398][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3853.460398][ T10] ipv6_add_addr+0x411/0x2000 [ 3853.460398][ T10] inet6_addr_add+0x30e/0xa40 [ 3853.460398][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3853.460398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.460398][ T10] netlink_rcv_skb+0x130/0x360 [ 3853.460398][ T10] netlink_unicast+0x449/0x710 [ 3853.460398][ T10] netlink_sendmsg+0x723/0xbe0 [ 3853.460398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3853.460398][ T10] ___sys_sendmsg+0xee/0x170 [ 3853.460398][ T10] __sys_sendmsg+0xcd/0x170 [ 3853.460398][ T10] do_syscall_64+0xc6/0x1e0 [ 3853.460398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3853.460398][ T10] [ 3853.462630][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3853.462630][ T10] netdev_get_by_index+0x5e/0x80 [ 3853.462630][ T10] fib6_nh_init+0x3d8/0x1580 [ 3853.462630][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3853.462630][ T10] ip6_route_add+0x1c/0x140 [ 3853.462630][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3853.462630][ T10] addrconf_add_dev+0xe2/0x170 [ 3853.462630][ T10] inet6_addr_add+0x12f/0xa40 [ 3853.462630][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3853.462630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.462630][ T10] netlink_rcv_skb+0x130/0x360 [ 3853.462630][ T10] netlink_unicast+0x449/0x710 [ 3853.462630][ T10] netlink_sendmsg+0x723/0xbe0 [ 3853.462630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3853.462630][ T10] ___sys_sendmsg+0xee/0x170 [ 3853.462630][ T10] __sys_sendmsg+0xcd/0x170 [ 3853.462630][ T10] do_syscall_64+0xc6/0x1e0 [ 3853.462630][ T10] [ 3853.464824][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3853.464824][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3853.464824][ T10] ipv6_find_idev+0x102/0x170 [ 3853.464824][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3853.464824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.464824][ T10] netlink_rcv_skb+0x130/0x360 [ 3853.464824][ T10] netlink_unicast+0x449/0x710 [ 3853.464824][ T10] netlink_sendmsg+0x723/0xbe0 [ 3853.464824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3853.464824][ T10] ___sys_sendmsg+0xee/0x170 [ 3853.464824][ T10] __sys_sendmsg+0xcd/0x170 [ 3853.464824][ T10] do_syscall_64+0xc6/0x1e0 [ 3853.464824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3853.464824][ T10] [ 3853.466472][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3853.466472][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3853.466472][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3853.466472][ T10] ipv6_find_idev+0x102/0x170 [ 3853.466472][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3853.466472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.466472][ T10] netlink_rcv_skb+0x130/0x360 [ 3853.466472][ T10] netlink_unicast+0x449/0x710 [ 3853.466472][ T10] netlink_sendmsg+0x723/0xbe0 [ 3853.466472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3853.466472][ T10] ___sys_sendmsg+0xee/0x170 [ 3853.466472][ T10] __sys_sendmsg+0xcd/0x170 [ 3853.466472][ T10] do_syscall_64+0xc6/0x1e0 [ 3853.466472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3853.466472][ T10] [ 3853.468332][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3853.468564][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3853.468564][ T10] netdev_get_by_index+0x5e/0x80 [ 3853.468564][ T10] fib6_nh_init+0x3d8/0x1580 [ 3853.468564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3853.468564][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3853.468564][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3853.468564][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3853.468564][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3853.468564][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3853.468564][ T10] addrconf_dad_begin+0x310/0x670 [ 3853.468564][ T10] addrconf_dad_work+0x10b/0xab0 [ 3853.468564][ T10] process_one_work+0x84d/0x18a0 [ 3853.468564][ T10] worker_thread+0x587/0xd30 [ 3853.468564][ T10] kthread+0x28a/0x350 [ 3853.468564][ T10] ret_from_fork+0x31/0x70 [ 3853.468564][ T10] ret_from_fork_asm+0x1a/0x30 [ 3853.468564][ T10] [ 3853.470767][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3853.470767][ T10] netdev_get_by_index+0x5e/0x80 [ 3853.470767][ T10] fib6_nh_init+0x3d8/0x1580 [ 3853.470767][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3853.470767][ T10] ip6_route_add+0x1c/0x140 [ 3853.470767][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3853.470767][ T10] inet6_addr_add+0x4f8/0xa40 [ 3853.470767][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3853.470767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.470767][ T10] netlink_rcv_skb+0x130/0x360 [ 3853.470767][ T10] netlink_unicast+0x449/0x710 [ 3853.470767][ T10] netlink_sendmsg+0x723/0xbe0 [ 3853.470767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3853.470767][ T10] ___sys_sendmsg+0xee/0x170 [ 3853.470767][ T10] __sys_sendmsg+0xcd/0x170 [ 3853.470767][ T10] do_syscall_64+0xc6/0x1e0 [ 3853.470767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3853.470767][ T10] [ 3853.472993][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3853.472993][ T10] netdev_get_by_index+0x5e/0x80 [ 3853.472993][ T10] fib6_nh_init+0x3d8/0x1580 [ 3853.472993][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3853.472993][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3853.472993][ T10] ipv6_add_addr+0x411/0x2000 [ 3853.472993][ T10] inet6_addr_add+0x30e/0xa40 [ 3853.472993][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3853.472993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.472993][ T10] netlink_rcv_skb+0x130/0x360 [ 3853.472993][ T10] netlink_unicast+0x449/0x710 [ 3853.472993][ T10] netlink_sendmsg+0x723/0xbe0 [ 3853.472993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3853.472993][ T10] ___sys_sendmsg+0xee/0x170 [ 3853.472993][ T10] __sys_sendmsg+0xcd/0x170 [ 3853.472993][ T10] do_syscall_64+0xc6/0x1e0 [ 3853.472993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3853.472993][ T10] [ 3853.475161][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3853.475161][ T10] netdev_get_by_index+0x5e/0x80 [ 3853.475161][ T10] fib6_nh_init+0x3d8/0x1580 [ 3853.475161][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3853.475161][ T10] ip6_route_add+0x1c/0x140 [ 3853.475161][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3853.475161][ T10] addrconf_add_dev+0xe2/0x170 [ 3853.475161][ T10] inet6_addr_add+0x12f/0xa40 [ 3853.475161][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3853.475161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.475161][ T10] netlink_rcv_skb+0x130/0x360 [ 3853.475161][ T10] netlink_unicast+0x449/0x710 [ 3853.475161][ T10] netlink_sendmsg+0x723/0xbe0 [ 3853.475161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3853.475161][ T10] ___sys_sendmsg+0xee/0x170 [ 3853.475161][ T10] __sys_sendmsg+0xcd/0x170 [ 3853.475161][ T10] do_syscall_64+0xc6/0x1e0 [ 3853.475161][ T10] [ 3853.477344][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3853.477344][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3853.477344][ T10] ipv6_find_idev+0x102/0x170 [ 3853.477344][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3853.477344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.477344][ T10] netlink_rcv_skb+0x130/0x360 [ 3853.477344][ T10] netlink_unicast+0x449/0x710 [ 3853.477344][ T10] netlink_sendmsg+0x723/0xbe0 [ 3853.477344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3853.477344][ T10] ___sys_sendmsg+0xee/0x170 [ 3853.477344][ T10] __sys_sendmsg+0xcd/0x170 [ 3853.477344][ T10] do_syscall_64+0xc6/0x1e0 [ 3853.477344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3853.477344][ T10] [ 3853.479124][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3853.479124][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3853.479124][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3853.479124][ T10] ipv6_find_idev+0x102/0x170 [ 3853.479124][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3853.479124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.479124][ T10] netlink_rcv_skb+0x130/0x360 [ 3853.479124][ T10] netlink_unicast+0x449/0x710 [ 3853.479124][ T10] netlink_sendmsg+0x723/0xbe0 [ 3853.479124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3853.479124][ T10] ___sys_sendmsg+0xee/0x170 [ 3853.479124][ T10] __sys_sendmsg+0xcd/0x170 [ 3853.479124][ T10] do_syscall_64+0xc6/0x1e0 [ 3853.479124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3853.479124][ T10] [ 3861.641080][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3861.641575][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3861.641575][ T1167] dst_init+0x84/0x4a0 [ 3861.641575][ T1167] dst_alloc+0x97/0x150 [ 3861.641575][ T1167] ip6_dst_alloc+0x23/0x90 [ 3861.641575][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3861.641575][ T1167] ip6_pol_route+0x56f/0x840 [ 3861.641575][ T1167] fib6_rule_lookup+0x334/0x630 [ 3861.641575][ T1167] ip6_route_output_flags+0x259/0x480 [ 3861.641575][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3861.641575][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3861.641575][ T1167] netlink_rcv_skb+0x130/0x360 [ 3861.641575][ T1167] netlink_unicast+0x449/0x710 [ 3861.641575][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3861.641575][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3861.641575][ T1167] ___sys_sendmsg+0xee/0x170 [ 3861.641575][ T1167] __sys_sendmsg+0xcd/0x170 [ 3861.641575][ T1167] do_syscall_64+0xc6/0x1e0 [ 3861.641575][ T1167] [ 3861.643808][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3861.643808][ T1167] netdev_get_by_index+0x5e/0x80 [ 3861.643808][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3861.643808][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3861.643808][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3861.643808][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3861.643808][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3861.643808][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3861.643808][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3861.643808][ T1167] addrconf_dad_begin+0x310/0x670 [ 3861.643808][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3861.643808][ T1167] process_one_work+0x84d/0x18a0 [ 3861.643808][ T1167] worker_thread+0x587/0xd30 [ 3861.643808][ T1167] kthread+0x28a/0x350 [ 3861.643808][ T1167] ret_from_fork+0x31/0x70 [ 3861.643808][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3861.643808][ T1167] [ 3861.646007][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3861.646007][ T1167] netdev_get_by_index+0x5e/0x80 [ 3861.646007][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3861.646007][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3861.646007][ T1167] ip6_route_add+0x1c/0x140 [ 3861.646007][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3861.646007][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3861.646007][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3861.646007][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3861.646007][ T1167] netlink_rcv_skb+0x130/0x360 [ 3861.646007][ T1167] netlink_unicast+0x449/0x710 [ 3861.646007][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3861.646007][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3861.646007][ T1167] ___sys_sendmsg+0xee/0x170 [ 3861.646007][ T1167] __sys_sendmsg+0xcd/0x170 [ 3861.646007][ T1167] do_syscall_64+0xc6/0x1e0 [ 3861.646007][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3861.646007][ T1167] [ 3861.648292][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3861.648292][ T1167] netdev_get_by_index+0x5e/0x80 [ 3861.648292][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3861.648292][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3861.648292][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3861.648292][ T1167] ipv6_add_addr+0x411/0x2000 [ 3861.648292][ T1167] inet6_addr_add+0x30e/0xa40 [ 3861.648292][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3861.648292][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3861.648292][ T1167] netlink_rcv_skb+0x130/0x360 [ 3861.648292][ T1167] netlink_unicast+0x449/0x710 [ 3861.648292][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3861.648292][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3861.648292][ T1167] ___sys_sendmsg+0xee/0x170 [ 3861.648292][ T1167] __sys_sendmsg+0xcd/0x170 [ 3861.648292][ T1167] do_syscall_64+0xc6/0x1e0 [ 3861.648292][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3861.648292][ T1167] [ 3861.650598][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3861.650598][ T1167] netdev_get_by_index+0x5e/0x80 [ 3861.650598][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3861.650598][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3861.650598][ T1167] ip6_route_add+0x1c/0x140 [ 3861.650598][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3861.650598][ T1167] addrconf_add_dev+0xe2/0x170 [ 3861.650598][ T1167] inet6_addr_add+0x12f/0xa40 [ 3861.650598][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3861.650598][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3861.650598][ T1167] netlink_rcv_skb+0x130/0x360 [ 3861.650598][ T1167] netlink_unicast+0x449/0x710 [ 3861.650598][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3861.650598][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3861.650598][ T1167] ___sys_sendmsg+0xee/0x170 [ 3861.650598][ T1167] __sys_sendmsg+0xcd/0x170 [ 3861.650598][ T1167] do_syscall_64+0xc6/0x1e0 [ 3861.650598][ T1167] [ 3861.652833][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3861.652833][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3861.652833][ T1167] ipv6_find_idev+0x102/0x170 [ 3861.652833][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3861.652833][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3861.652833][ T1167] netlink_rcv_skb+0x130/0x360 [ 3861.652833][ T1167] netlink_unicast+0x449/0x710 [ 3861.652833][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3861.652833][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3861.652833][ T1167] ___sys_sendmsg+0xee/0x170 [ 3861.652833][ T1167] __sys_sendmsg+0xcd/0x170 [ 3861.652833][ T1167] do_syscall_64+0xc6/0x1e0 [ 3861.652833][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3861.652833][ T1167] [ 3861.654588][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3861.654588][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3861.654588][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3861.654588][ T1167] ipv6_find_idev+0x102/0x170 [ 3861.654588][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3861.654588][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3861.654588][ T1167] netlink_rcv_skb+0x130/0x360 [ 3861.654588][ T1167] netlink_unicast+0x449/0x710 [ 3861.654588][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3861.654588][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3861.654588][ T1167] ___sys_sendmsg+0xee/0x170 [ 3861.654588][ T1167] __sys_sendmsg+0xcd/0x170 [ 3861.654588][ T1167] do_syscall_64+0xc6/0x1e0 [ 3861.654588][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3861.654588][ T1167] [ 3863.729137][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3863.729557][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3863.729557][ T10] netdev_get_by_index+0x5e/0x80 [ 3863.729557][ T10] fib6_nh_init+0x3d8/0x1580 [ 3863.729557][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3863.729557][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3863.729557][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3863.729557][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3863.729557][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3863.729557][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3863.729557][ T10] addrconf_dad_begin+0x310/0x670 [ 3863.729557][ T10] addrconf_dad_work+0x10b/0xab0 [ 3863.729557][ T10] process_one_work+0x84d/0x18a0 [ 3863.729557][ T10] worker_thread+0x587/0xd30 [ 3863.729557][ T10] kthread+0x28a/0x350 [ 3863.729557][ T10] ret_from_fork+0x31/0x70 [ 3863.729557][ T10] ret_from_fork_asm+0x1a/0x30 [ 3863.729557][ T10] [ 3863.731512][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3863.731512][ T10] netdev_get_by_index+0x5e/0x80 [ 3863.731512][ T10] fib6_nh_init+0x3d8/0x1580 [ 3863.731512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3863.731512][ T10] ip6_route_add+0x1c/0x140 [ 3863.731512][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3863.731512][ T10] inet6_addr_add+0x4f8/0xa40 [ 3863.731512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3863.731512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3863.731512][ T10] netlink_rcv_skb+0x130/0x360 [ 3863.731512][ T10] netlink_unicast+0x449/0x710 [ 3863.731512][ T10] netlink_sendmsg+0x723/0xbe0 [ 3863.731512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3863.731512][ T10] ___sys_sendmsg+0xee/0x170 [ 3863.731512][ T10] __sys_sendmsg+0xcd/0x170 [ 3863.731512][ T10] do_syscall_64+0xc6/0x1e0 [ 3863.731512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3863.731512][ T10] [ 3863.733510][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3863.733510][ T10] netdev_get_by_index+0x5e/0x80 [ 3863.733510][ T10] fib6_nh_init+0x3d8/0x1580 [ 3863.733510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3863.733510][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3863.733510][ T10] ipv6_add_addr+0x411/0x2000 [ 3863.733510][ T10] inet6_addr_add+0x30e/0xa40 [ 3863.733510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3863.733510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3863.733510][ T10] netlink_rcv_skb+0x130/0x360 [ 3863.733510][ T10] netlink_unicast+0x449/0x710 [ 3863.733510][ T10] netlink_sendmsg+0x723/0xbe0 [ 3863.733510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3863.733510][ T10] ___sys_sendmsg+0xee/0x170 [ 3863.733510][ T10] __sys_sendmsg+0xcd/0x170 [ 3863.733510][ T10] do_syscall_64+0xc6/0x1e0 [ 3863.733510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3863.733510][ T10] [ 3863.735505][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3863.735505][ T10] netdev_get_by_index+0x5e/0x80 [ 3863.735505][ T10] fib6_nh_init+0x3d8/0x1580 [ 3863.735505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3863.735505][ T10] ip6_route_add+0x1c/0x140 [ 3863.735505][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3863.735505][ T10] addrconf_add_dev+0xe2/0x170 [ 3863.735505][ T10] inet6_addr_add+0x12f/0xa40 [ 3863.735505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3863.735505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3863.735505][ T10] netlink_rcv_skb+0x130/0x360 [ 3863.735505][ T10] netlink_unicast+0x449/0x710 [ 3863.735505][ T10] netlink_sendmsg+0x723/0xbe0 [ 3863.735505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3863.735505][ T10] ___sys_sendmsg+0xee/0x170 [ 3863.735505][ T10] __sys_sendmsg+0xcd/0x170 [ 3863.735505][ T10] do_syscall_64+0xc6/0x1e0 [ 3863.735505][ T10] [ 3863.737976][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3863.737976][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3863.737976][ T10] ipv6_find_idev+0x102/0x170 [ 3863.737976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3863.737976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3863.737976][ T10] netlink_rcv_skb+0x130/0x360 [ 3863.737976][ T10] netlink_unicast+0x449/0x710 [ 3863.737976][ T10] netlink_sendmsg+0x723/0xbe0 [ 3863.737976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3863.737976][ T10] ___sys_sendmsg+0xee/0x170 [ 3863.737976][ T10] __sys_sendmsg+0xcd/0x170 [ 3863.737976][ T10] do_syscall_64+0xc6/0x1e0 [ 3863.737976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3863.737976][ T10] [ 3863.739510][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3863.739510][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3863.739510][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3863.739510][ T10] ipv6_find_idev+0x102/0x170 [ 3863.739510][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3863.739510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3863.739510][ T10] netlink_rcv_skb+0x130/0x360 [ 3863.739510][ T10] netlink_unicast+0x449/0x710 [ 3863.739510][ T10] netlink_sendmsg+0x723/0xbe0 [ 3863.739510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3863.739510][ T10] ___sys_sendmsg+0xee/0x170 [ 3863.739510][ T10] __sys_sendmsg+0xcd/0x170 [ 3863.739510][ T10] do_syscall_64+0xc6/0x1e0 [ 3863.739510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3863.739510][ T10] [ 3863.741205][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3863.741452][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3863.741452][ T10] netdev_get_by_index+0x5e/0x80 [ 3863.741452][ T10] fib6_nh_init+0x3d8/0x1580 [ 3863.741452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3863.741452][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3863.741452][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3863.741452][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3863.741452][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3863.741452][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3863.741452][ T10] addrconf_dad_begin+0x310/0x670 [ 3863.741452][ T10] addrconf_dad_work+0x10b/0xab0 [ 3863.741452][ T10] process_one_work+0x84d/0x18a0 [ 3863.741452][ T10] worker_thread+0x587/0xd30 [ 3863.741452][ T10] kthread+0x28a/0x350 [ 3863.741452][ T10] ret_from_fork+0x31/0x70 [ 3863.741452][ T10] ret_from_fork_asm+0x1a/0x30 [ 3863.741452][ T10] [ 3863.743359][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3863.743359][ T10] netdev_get_by_index+0x5e/0x80 [ 3863.743359][ T10] fib6_nh_init+0x3d8/0x1580 [ 3863.743359][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3863.743359][ T10] ip6_route_add+0x1c/0x140 [ 3863.743359][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3863.743359][ T10] inet6_addr_add+0x4f8/0xa40 [ 3863.743359][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3863.743359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3863.743359][ T10] netlink_rcv_skb+0x130/0x360 [ 3863.743359][ T10] netlink_unicast+0x449/0x710 [ 3863.743359][ T10] netlink_sendmsg+0x723/0xbe0 [ 3863.743359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3863.743359][ T10] ___sys_sendmsg+0xee/0x170 [ 3863.743359][ T10] __sys_sendmsg+0xcd/0x170 [ 3863.743359][ T10] do_syscall_64+0xc6/0x1e0 [ 3863.743359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3863.743359][ T10] [ 3863.745347][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3863.745347][ T10] netdev_get_by_index+0x5e/0x80 [ 3863.745347][ T10] fib6_nh_init+0x3d8/0x1580 [ 3863.745347][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3863.745347][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3863.745347][ T10] ipv6_add_addr+0x411/0x2000 [ 3863.745347][ T10] inet6_addr_add+0x30e/0xa40 [ 3863.745347][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3863.745347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3863.745347][ T10] netlink_rcv_skb+0x130/0x360 [ 3863.745347][ T10] netlink_unicast+0x449/0x710 [ 3863.745347][ T10] netlink_sendmsg+0x723/0xbe0 [ 3863.745347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3863.745347][ T10] ___sys_sendmsg+0xee/0x170 [ 3863.745347][ T10] __sys_sendmsg+0xcd/0x170 [ 3863.745347][ T10] do_syscall_64+0xc6/0x1e0 [ 3863.745347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3863.745347][ T10] [ 3863.747334][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3863.747334][ T10] netdev_get_by_index+0x5e/0x80 [ 3863.747334][ T10] fib6_nh_init+0x3d8/0x1580 [ 3863.747334][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3863.747334][ T10] ip6_route_add+0x1c/0x140 [ 3863.747334][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3863.747334][ T10] addrconf_add_dev+0xe2/0x170 [ 3863.747334][ T10] inet6_addr_add+0x12f/0xa40 [ 3863.747334][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3863.747334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3863.747334][ T10] netlink_rcv_skb+0x130/0x360 [ 3863.747334][ T10] netlink_unicast+0x449/0x710 [ 3863.747334][ T10] netlink_sendmsg+0x723/0xbe0 [ 3863.747334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3863.747334][ T10] ___sys_sendmsg+0xee/0x170 [ 3863.747334][ T10] __sys_sendmsg+0xcd/0x170 [ 3863.747334][ T10] do_syscall_64+0xc6/0x1e0 [ 3863.747334][ T10] [ 3863.749286][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3863.749286][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3863.749286][ T10] ipv6_find_idev+0x102/0x170 [ 3863.749286][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3863.749286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3863.749286][ T10] netlink_rcv_skb+0x130/0x360 [ 3863.749286][ T10] netlink_unicast+0x449/0x710 [ 3863.749286][ T10] netlink_sendmsg+0x723/0xbe0 [ 3863.749286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3863.749286][ T10] ___sys_sendmsg+0xee/0x170 [ 3863.749286][ T10] __sys_sendmsg+0xcd/0x170 [ 3863.749286][ T10] do_syscall_64+0xc6/0x1e0 [ 3863.749286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3863.749286][ T10] [ 3863.751237][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3863.751237][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3863.751237][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3863.751237][ T10] ipv6_find_idev+0x102/0x170 [ 3863.751237][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3863.751237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3863.751237][ T10] netlink_rcv_skb+0x130/0x360 [ 3863.751237][ T10] netlink_unicast+0x449/0x710 [ 3863.751237][ T10] netlink_sendmsg+0x723/0xbe0 [ 3863.751237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3863.751237][ T10] ___sys_sendmsg+0xee/0x170 [ 3863.751237][ T10] __sys_sendmsg+0xcd/0x170 [ 3863.751237][ T10] do_syscall_64+0xc6/0x1e0 [ 3863.751237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3863.751237][ T10] [ 3863.752922][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3863.753175][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3863.753175][ T10] netdev_get_by_index+0x5e/0x80 [ 3863.753175][ T10] fib6_nh_init+0x3d8/0x1580 [ 3863.753175][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3863.753175][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3863.753175][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3863.753175][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3863.753175][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3863.753175][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3863.753175][ T10] addrconf_dad_begin+0x310/0x670 [ 3863.753175][ T10] addrconf_dad_work+0x10b/0xab0 [ 3863.753175][ T10] process_one_work+0x84d/0x18a0 [ 3863.753175][ T10] worker_thread+0x587/0xd30 [ 3863.753175][ T10] kthread+0x28a/0x350 [ 3863.753175][ T10] ret_from_fork+0x31/0x70 [ 3863.753175][ T10] ret_from_fork_asm+0x1a/0x30 [ 3863.753175][ T10] [ 3863.755074][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3863.755074][ T10] netdev_get_by_index+0x5e/0x80 [ 3863.755074][ T10] fib6_nh_init+0x3d8/0x1580 [ 3863.755074][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3863.755074][ T10] ip6_route_add+0x1c/0x140 [ 3863.755074][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3863.755074][ T10] inet6_addr_add+0x4f8/0xa40 [ 3863.755074][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3863.755074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3863.755074][ T10] netlink_rcv_skb+0x130/0x360 [ 3863.755074][ T10] netlink_unicast+0x449/0x710 [ 3863.755074][ T10] netlink_sendmsg+0x723/0xbe0 [ 3863.755074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3863.755074][ T10] ___sys_sendmsg+0xee/0x170 [ 3863.755074][ T10] __sys_sendmsg+0xcd/0x170 [ 3863.755074][ T10] do_syscall_64+0xc6/0x1e0 [ 3863.755074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3863.755074][ T10] [ 3863.757246][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3863.757246][ T10] netdev_get_by_index+0x5e/0x80 [ 3863.757246][ T10] fib6_nh_init+0x3d8/0x1580 [ 3863.757246][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3863.757246][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3863.757246][ T10] ipv6_add_addr+0x411/0x2000 [ 3863.757246][ T10] inet6_addr_add+0x30e/0xa40 [ 3863.757246][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3863.757246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3863.757246][ T10] netlink_rcv_skb+0x130/0x360 [ 3863.757246][ T10] netlink_unicast+0x449/0x710 [ 3863.757246][ T10] netlink_sendmsg+0x723/0xbe0 [ 3863.757246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3863.757246][ T10] ___sys_sendmsg+0xee/0x170 [ 3863.757246][ T10] __sys_sendmsg+0xcd/0x170 [ 3863.757246][ T10] do_syscall_64+0xc6/0x1e0 [ 3863.757246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3863.757246][ T10] [ 3863.759533][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3863.759533][ T10] netdev_get_by_index+0x5e/0x80 [ 3863.759533][ T10] fib6_nh_init+0x3d8/0x1580 [ 3863.759533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3863.759533][ T10] ip6_route_add+0x1c/0x140 [ 3863.759533][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3863.759533][ T10] addrconf_add_dev+0xe2/0x170 [ 3863.759533][ T10] inet6_addr_add+0x12f/0xa40 [ 3863.759533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3863.759533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3863.759533][ T10] netlink_rcv_skb+0x130/0x360 [ 3863.759533][ T10] netlink_unicast+0x449/0x710 [ 3863.759533][ T10] netlink_sendmsg+0x723/0xbe0 [ 3863.759533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3863.759533][ T10] ___sys_sendmsg+0xee/0x170 [ 3863.759533][ T10] __sys_sendmsg+0xcd/0x170 [ 3863.759533][ T10] do_syscall_64+0xc6/0x1e0 [ 3863.759533][ T10] [ 3863.761740][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3863.761740][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3863.761740][ T10] ipv6_find_idev+0x102/0x170 [ 3863.761740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3863.761740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3863.761740][ T10] netlink_rcv_skb+0x130/0x360 [ 3863.761740][ T10] netlink_unicast+0x449/0x710 [ 3863.761740][ T10] netlink_sendmsg+0x723/0xbe0 [ 3863.761740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3863.761740][ T10] ___sys_sendmsg+0xee/0x170 [ 3863.761740][ T10] __sys_sendmsg+0xcd/0x170 [ 3863.761740][ T10] do_syscall_64+0xc6/0x1e0 [ 3863.761740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3863.761740][ T10] [ 3863.763393][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3863.763393][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3863.763393][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3863.763393][ T10] ipv6_find_idev+0x102/0x170 [ 3863.763393][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3863.763393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3863.763393][ T10] netlink_rcv_skb+0x130/0x360 [ 3863.763393][ T10] netlink_unicast+0x449/0x710 [ 3863.763393][ T10] netlink_sendmsg+0x723/0xbe0 [ 3863.763393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3863.763393][ T10] ___sys_sendmsg+0xee/0x170 [ 3863.763393][ T10] __sys_sendmsg+0xcd/0x170 [ 3863.763393][ T10] do_syscall_64+0xc6/0x1e0 [ 3863.763393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3863.763393][ T10] [ 3863.765248][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3863.765480][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3863.765480][ T10] netdev_get_by_index+0x5e/0x80 [ 3863.765480][ T10] fib6_nh_init+0x3d8/0x1580 [ 3863.765480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3863.765480][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3863.765480][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3863.765480][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3863.765480][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3863.765480][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3863.765480][ T10] addrconf_dad_begin+0x310/0x670 [ 3863.765480][ T10] addrconf_dad_work+0x10b/0xab0 [ 3863.765480][ T10] process_one_work+0x84d/0x18a0 [ 3863.765480][ T10] worker_thread+0x587/0xd30 [ 3863.765480][ T10] kthread+0x28a/0x350 [ 3863.765480][ T10] ret_from_fork+0x31/0x70 [ 3863.765480][ T10] ret_from_fork_asm+0x1a/0x30 [ 3863.765480][ T10] [ 3863.767680][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3863.767680][ T10] netdev_get_by_index+0x5e/0x80 [ 3863.767680][ T10] fib6_nh_init+0x3d8/0x1580 [ 3863.767680][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3863.767680][ T10] ip6_route_add+0x1c/0x140 [ 3863.767680][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3863.767680][ T10] inet6_addr_add+0x4f8/0xa40 [ 3863.767680][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3863.767680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3863.767680][ T10] netlink_rcv_skb+0x130/0x360 [ 3863.767680][ T10] netlink_unicast+0x449/0x710 [ 3863.767680][ T10] netlink_sendmsg+0x723/0xbe0 [ 3863.767680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3863.767680][ T10] ___sys_sendmsg+0xee/0x170 [ 3863.767680][ T10] __sys_sendmsg+0xcd/0x170 [ 3863.767680][ T10] do_syscall_64+0xc6/0x1e0 [ 3863.767680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3863.767680][ T10] [ 3863.769908][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3863.769908][ T10] netdev_get_by_index+0x5e/0x80 [ 3863.769908][ T10] fib6_nh_init+0x3d8/0x1580 [ 3863.769908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3863.769908][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3863.769908][ T10] ipv6_add_addr+0x411/0x2000 [ 3863.769908][ T10] inet6_addr_add+0x30e/0xa40 [ 3863.769908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3863.769908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3863.769908][ T10] netlink_rcv_skb+0x130/0x360 [ 3863.769908][ T10] netlink_unicast+0x449/0x710 [ 3863.769908][ T10] netlink_sendmsg+0x723/0xbe0 [ 3863.769908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3863.769908][ T10] ___sys_sendmsg+0xee/0x170 [ 3863.769908][ T10] __sys_sendmsg+0xcd/0x170 [ 3863.769908][ T10] do_syscall_64+0xc6/0x1e0 [ 3863.769908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3863.769908][ T10] [ 3863.772127][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3863.772127][ T10] netdev_get_by_index+0x5e/0x80 [ 3863.772127][ T10] fib6_nh_init+0x3d8/0x1580 [ 3863.772127][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3863.772127][ T10] ip6_route_add+0x1c/0x140 [ 3863.772127][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3863.772127][ T10] addrconf_add_dev+0xe2/0x170 [ 3863.772127][ T10] inet6_addr_add+0x12f/0xa40 [ 3863.772127][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3863.772127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3863.772127][ T10] netlink_rcv_skb+0x130/0x360 [ 3863.772127][ T10] netlink_unicast+0x449/0x710 [ 3863.772127][ T10] netlink_sendmsg+0x723/0xbe0 [ 3863.772127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3863.772127][ T10] ___sys_sendmsg+0xee/0x170 [ 3863.772127][ T10] __sys_sendmsg+0xcd/0x170 [ 3863.772127][ T10] do_syscall_64+0xc6/0x1e0 [ 3863.772127][ T10] [ 3863.774323][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3863.774323][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3863.774323][ T10] ipv6_find_idev+0x102/0x170 [ 3863.774323][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3863.774323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3863.774323][ T10] netlink_rcv_skb+0x130/0x360 [ 3863.774323][ T10] netlink_unicast+0x449/0x710 [ 3863.774323][ T10] netlink_sendmsg+0x723/0xbe0 [ 3863.774323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3863.774323][ T10] ___sys_sendmsg+0xee/0x170 [ 3863.774323][ T10] __sys_sendmsg+0xcd/0x170 [ 3863.774323][ T10] do_syscall_64+0xc6/0x1e0 [ 3863.774323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3863.774323][ T10] [ 3863.776032][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3863.776032][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3863.776032][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3863.776032][ T10] ipv6_find_idev+0x102/0x170 [ 3863.776032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3863.776032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3863.776032][ T10] netlink_rcv_skb+0x130/0x360 [ 3863.776032][ T10] netlink_unicast+0x449/0x710 [ 3863.776032][ T10] netlink_sendmsg+0x723/0xbe0 [ 3863.776032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3863.776032][ T10] ___sys_sendmsg+0xee/0x170 [ 3863.776032][ T10] __sys_sendmsg+0xcd/0x170 [ 3863.776032][ T10] do_syscall_64+0xc6/0x1e0 [ 3863.776032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3863.776032][ T10] [ 3871.897133][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3871.897571][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3871.897571][ T1167] dst_init+0x84/0x4a0 [ 3871.897571][ T1167] dst_alloc+0x97/0x150 [ 3871.897571][ T1167] ip6_dst_alloc+0x23/0x90 [ 3871.897571][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3871.897571][ T1167] ip6_pol_route+0x56f/0x840 [ 3871.897571][ T1167] fib6_rule_lookup+0x334/0x630 [ 3871.897571][ T1167] ip6_route_output_flags+0x259/0x480 [ 3871.897571][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3871.897571][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3871.897571][ T1167] netlink_rcv_skb+0x130/0x360 [ 3871.897571][ T1167] netlink_unicast+0x449/0x710 [ 3871.897571][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3871.897571][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3871.897571][ T1167] ___sys_sendmsg+0xee/0x170 [ 3871.897571][ T1167] __sys_sendmsg+0xcd/0x170 [ 3871.897571][ T1167] do_syscall_64+0xc6/0x1e0 [ 3871.897571][ T1167] [ 3871.899802][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3871.899802][ T1167] netdev_get_by_index+0x5e/0x80 [ 3871.899802][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3871.899802][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3871.899802][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3871.899802][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3871.899802][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3871.899802][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3871.899802][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3871.899802][ T1167] addrconf_dad_begin+0x310/0x670 [ 3871.899802][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3871.899802][ T1167] process_one_work+0x84d/0x18a0 [ 3871.899802][ T1167] worker_thread+0x587/0xd30 [ 3871.899802][ T1167] kthread+0x28a/0x350 [ 3871.899802][ T1167] ret_from_fork+0x31/0x70 [ 3871.899802][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3871.899802][ T1167] [ 3871.901968][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3871.901968][ T1167] netdev_get_by_index+0x5e/0x80 [ 3871.901968][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3871.901968][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3871.901968][ T1167] ip6_route_add+0x1c/0x140 [ 3871.901968][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3871.901968][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3871.901968][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3871.901968][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3871.901968][ T1167] netlink_rcv_skb+0x130/0x360 [ 3871.901968][ T1167] netlink_unicast+0x449/0x710 [ 3871.901968][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3871.901968][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3871.901968][ T1167] ___sys_sendmsg+0xee/0x170 [ 3871.901968][ T1167] __sys_sendmsg+0xcd/0x170 [ 3871.901968][ T1167] do_syscall_64+0xc6/0x1e0 [ 3871.901968][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3871.901968][ T1167] [ 3871.904607][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3871.904607][ T1167] netdev_get_by_index+0x5e/0x80 [ 3871.904607][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3871.904607][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3871.904607][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3871.904607][ T1167] ipv6_add_addr+0x411/0x2000 [ 3871.904607][ T1167] inet6_addr_add+0x30e/0xa40 [ 3871.904607][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3871.904607][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3871.904607][ T1167] netlink_rcv_skb+0x130/0x360 [ 3871.904607][ T1167] netlink_unicast+0x449/0x710 [ 3871.904607][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3871.904607][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3871.904607][ T1167] ___sys_sendmsg+0xee/0x170 [ 3871.904607][ T1167] __sys_sendmsg+0xcd/0x170 [ 3871.904607][ T1167] do_syscall_64+0xc6/0x1e0 [ 3871.904607][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3871.904607][ T1167] [ 3871.906870][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3871.906870][ T1167] netdev_get_by_index+0x5e/0x80 [ 3871.906870][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3871.906870][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3871.906870][ T1167] ip6_route_add+0x1c/0x140 [ 3871.906870][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3871.906870][ T1167] addrconf_add_dev+0xe2/0x170 [ 3871.906870][ T1167] inet6_addr_add+0x12f/0xa40 [ 3871.906870][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3871.906870][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3871.906870][ T1167] netlink_rcv_skb+0x130/0x360 [ 3871.906870][ T1167] netlink_unicast+0x449/0x710 [ 3871.906870][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3871.906870][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3871.906870][ T1167] ___sys_sendmsg+0xee/0x170 [ 3871.906870][ T1167] __sys_sendmsg+0xcd/0x170 [ 3871.906870][ T1167] do_syscall_64+0xc6/0x1e0 [ 3871.906870][ T1167] [ 3871.909092][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3871.909092][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3871.909092][ T1167] ipv6_find_idev+0x102/0x170 [ 3871.909092][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3871.909092][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3871.909092][ T1167] netlink_rcv_skb+0x130/0x360 [ 3871.909092][ T1167] netlink_unicast+0x449/0x710 [ 3871.909092][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3871.909092][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3871.909092][ T1167] ___sys_sendmsg+0xee/0x170 [ 3871.909092][ T1167] __sys_sendmsg+0xcd/0x170 [ 3871.909092][ T1167] do_syscall_64+0xc6/0x1e0 [ 3871.909092][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3871.909092][ T1167] [ 3871.910838][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3871.910838][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3871.910838][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3871.910838][ T1167] ipv6_find_idev+0x102/0x170 [ 3871.910838][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3871.910838][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3871.910838][ T1167] netlink_rcv_skb+0x130/0x360 [ 3871.910838][ T1167] netlink_unicast+0x449/0x710 [ 3871.910838][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3871.910838][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3871.910838][ T1167] ___sys_sendmsg+0xee/0x170 [ 3871.910838][ T1167] __sys_sendmsg+0xcd/0x170 [ 3871.910838][ T1167] do_syscall_64+0xc6/0x1e0 [ 3871.910838][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3871.910838][ T1167] [ 3874.033156][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3874.033516][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3874.033516][ T10] netdev_get_by_index+0x5e/0x80 [ 3874.033516][ T10] fib6_nh_init+0x3d8/0x1580 [ 3874.033516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3874.033516][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3874.033516][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3874.033516][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3874.033516][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3874.033516][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3874.033516][ T10] addrconf_dad_begin+0x310/0x670 [ 3874.033516][ T10] addrconf_dad_work+0x10b/0xab0 [ 3874.033516][ T10] process_one_work+0x84d/0x18a0 [ 3874.033516][ T10] worker_thread+0x587/0xd30 [ 3874.033516][ T10] kthread+0x28a/0x350 [ 3874.033516][ T10] ret_from_fork+0x31/0x70 [ 3874.033516][ T10] ret_from_fork_asm+0x1a/0x30 [ 3874.033516][ T10] [ 3874.035572][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3874.035572][ T10] netdev_get_by_index+0x5e/0x80 [ 3874.035572][ T10] fib6_nh_init+0x3d8/0x1580 [ 3874.035572][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3874.035572][ T10] ip6_route_add+0x1c/0x140 [ 3874.035572][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3874.035572][ T10] inet6_addr_add+0x4f8/0xa40 [ 3874.035572][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3874.035572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.035572][ T10] netlink_rcv_skb+0x130/0x360 [ 3874.035572][ T10] netlink_unicast+0x449/0x710 [ 3874.035572][ T10] netlink_sendmsg+0x723/0xbe0 [ 3874.035572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3874.035572][ T10] ___sys_sendmsg+0xee/0x170 [ 3874.035572][ T10] __sys_sendmsg+0xcd/0x170 [ 3874.035572][ T10] do_syscall_64+0xc6/0x1e0 [ 3874.035572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.035572][ T10] [ 3874.037574][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3874.037574][ T10] netdev_get_by_index+0x5e/0x80 [ 3874.037574][ T10] fib6_nh_init+0x3d8/0x1580 [ 3874.037574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3874.037574][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3874.037574][ T10] ipv6_add_addr+0x411/0x2000 [ 3874.037574][ T10] inet6_addr_add+0x30e/0xa40 [ 3874.037574][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3874.037574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.037574][ T10] netlink_rcv_skb+0x130/0x360 [ 3874.037574][ T10] netlink_unicast+0x449/0x710 [ 3874.037574][ T10] netlink_sendmsg+0x723/0xbe0 [ 3874.037574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3874.037574][ T10] ___sys_sendmsg+0xee/0x170 [ 3874.037574][ T10] __sys_sendmsg+0xcd/0x170 [ 3874.037574][ T10] do_syscall_64+0xc6/0x1e0 [ 3874.037574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.037574][ T10] [ 3874.039575][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3874.039575][ T10] netdev_get_by_index+0x5e/0x80 [ 3874.039575][ T10] fib6_nh_init+0x3d8/0x1580 [ 3874.039575][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3874.039575][ T10] ip6_route_add+0x1c/0x140 [ 3874.039575][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3874.039575][ T10] addrconf_add_dev+0xe2/0x170 [ 3874.039575][ T10] inet6_addr_add+0x12f/0xa40 [ 3874.039575][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3874.039575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.039575][ T10] netlink_rcv_skb+0x130/0x360 [ 3874.039575][ T10] netlink_unicast+0x449/0x710 [ 3874.039575][ T10] netlink_sendmsg+0x723/0xbe0 [ 3874.039575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3874.039575][ T10] ___sys_sendmsg+0xee/0x170 [ 3874.039575][ T10] __sys_sendmsg+0xcd/0x170 [ 3874.039575][ T10] do_syscall_64+0xc6/0x1e0 [ 3874.039575][ T10] [ 3874.041545][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3874.041545][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3874.041545][ T10] ipv6_find_idev+0x102/0x170 [ 3874.041545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3874.041545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.041545][ T10] netlink_rcv_skb+0x130/0x360 [ 3874.041545][ T10] netlink_unicast+0x449/0x710 [ 3874.041545][ T10] netlink_sendmsg+0x723/0xbe0 [ 3874.041545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3874.041545][ T10] ___sys_sendmsg+0xee/0x170 [ 3874.041545][ T10] __sys_sendmsg+0xcd/0x170 [ 3874.041545][ T10] do_syscall_64+0xc6/0x1e0 [ 3874.041545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.041545][ T10] [ 3874.043084][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3874.043084][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3874.043084][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3874.043084][ T10] ipv6_find_idev+0x102/0x170 [ 3874.043084][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3874.043084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.043084][ T10] netlink_rcv_skb+0x130/0x360 [ 3874.043084][ T10] netlink_unicast+0x449/0x710 [ 3874.043084][ T10] netlink_sendmsg+0x723/0xbe0 [ 3874.043084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3874.043084][ T10] ___sys_sendmsg+0xee/0x170 [ 3874.043084][ T10] __sys_sendmsg+0xcd/0x170 [ 3874.043084][ T10] do_syscall_64+0xc6/0x1e0 [ 3874.043084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.043084][ T10] [ 3874.044797][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3874.045078][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3874.045078][ T10] netdev_get_by_index+0x5e/0x80 [ 3874.045078][ T10] fib6_nh_init+0x3d8/0x1580 [ 3874.045078][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3874.045078][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3874.045078][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3874.045078][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3874.045078][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3874.045078][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3874.045078][ T10] addrconf_dad_begin+0x310/0x670 [ 3874.045078][ T10] addrconf_dad_work+0x10b/0xab0 [ 3874.045078][ T10] process_one_work+0x84d/0x18a0 [ 3874.045078][ T10] worker_thread+0x587/0xd30 [ 3874.045078][ T10] kthread+0x28a/0x350 [ 3874.045078][ T10] ret_from_fork+0x31/0x70 [ 3874.045078][ T10] ret_from_fork_asm+0x1a/0x30 [ 3874.045078][ T10] [ 3874.046993][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3874.046993][ T10] netdev_get_by_index+0x5e/0x80 [ 3874.046993][ T10] fib6_nh_init+0x3d8/0x1580 [ 3874.046993][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3874.046993][ T10] ip6_route_add+0x1c/0x140 [ 3874.046993][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3874.046993][ T10] inet6_addr_add+0x4f8/0xa40 [ 3874.046993][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3874.046993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.046993][ T10] netlink_rcv_skb+0x130/0x360 [ 3874.046993][ T10] netlink_unicast+0x449/0x710 [ 3874.046993][ T10] netlink_sendmsg+0x723/0xbe0 [ 3874.046993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3874.046993][ T10] ___sys_sendmsg+0xee/0x170 [ 3874.046993][ T10] __sys_sendmsg+0xcd/0x170 [ 3874.046993][ T10] do_syscall_64+0xc6/0x1e0 [ 3874.046993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.046993][ T10] [ 3874.048981][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3874.048981][ T10] netdev_get_by_index+0x5e/0x80 [ 3874.048981][ T10] fib6_nh_init+0x3d8/0x1580 [ 3874.048981][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3874.048981][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3874.048981][ T10] ipv6_add_addr+0x411/0x2000 [ 3874.048981][ T10] inet6_addr_add+0x30e/0xa40 [ 3874.048981][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3874.048981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.048981][ T10] netlink_rcv_skb+0x130/0x360 [ 3874.048981][ T10] netlink_unicast+0x449/0x710 [ 3874.048981][ T10] netlink_sendmsg+0x723/0xbe0 [ 3874.048981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3874.048981][ T10] ___sys_sendmsg+0xee/0x170 [ 3874.048981][ T10] __sys_sendmsg+0xcd/0x170 [ 3874.048981][ T10] do_syscall_64+0xc6/0x1e0 [ 3874.048981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.048981][ T10] [ 3874.050976][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3874.050976][ T10] netdev_get_by_index+0x5e/0x80 [ 3874.050976][ T10] fib6_nh_init+0x3d8/0x1580 [ 3874.050976][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3874.050976][ T10] ip6_route_add+0x1c/0x140 [ 3874.050976][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3874.050976][ T10] addrconf_add_dev+0xe2/0x170 [ 3874.050976][ T10] inet6_addr_add+0x12f/0xa40 [ 3874.050976][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3874.050976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.050976][ T10] netlink_rcv_skb+0x130/0x360 [ 3874.050976][ T10] netlink_unicast+0x449/0x710 [ 3874.050976][ T10] netlink_sendmsg+0x723/0xbe0 [ 3874.050976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3874.050976][ T10] ___sys_sendmsg+0xee/0x170 [ 3874.050976][ T10] __sys_sendmsg+0xcd/0x170 [ 3874.050976][ T10] do_syscall_64+0xc6/0x1e0 [ 3874.050976][ T10] [ 3874.052922][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3874.052922][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3874.052922][ T10] ipv6_find_idev+0x102/0x170 [ 3874.052922][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3874.052922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.052922][ T10] netlink_rcv_skb+0x130/0x360 [ 3874.052922][ T10] netlink_unicast+0x449/0x710 [ 3874.052922][ T10] netlink_sendmsg+0x723/0xbe0 [ 3874.052922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3874.052922][ T10] ___sys_sendmsg+0xee/0x170 [ 3874.052922][ T10] __sys_sendmsg+0xcd/0x170 [ 3874.052922][ T10] do_syscall_64+0xc6/0x1e0 [ 3874.052922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.052922][ T10] [ 3874.054458][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3874.054458][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3874.054458][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3874.054458][ T10] ipv6_find_idev+0x102/0x170 [ 3874.054458][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3874.054458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.054458][ T10] netlink_rcv_skb+0x130/0x360 [ 3874.054458][ T10] netlink_unicast+0x449/0x710 [ 3874.054458][ T10] netlink_sendmsg+0x723/0xbe0 [ 3874.054458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3874.054458][ T10] ___sys_sendmsg+0xee/0x170 [ 3874.054458][ T10] __sys_sendmsg+0xcd/0x170 [ 3874.054458][ T10] do_syscall_64+0xc6/0x1e0 [ 3874.054458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.054458][ T10] [ 3874.056153][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3874.056776][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3874.056776][ T10] netdev_get_by_index+0x5e/0x80 [ 3874.056776][ T10] fib6_nh_init+0x3d8/0x1580 [ 3874.056776][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3874.056776][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3874.056776][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3874.056776][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3874.056776][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3874.056776][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3874.056776][ T10] addrconf_dad_begin+0x310/0x670 [ 3874.056776][ T10] addrconf_dad_work+0x10b/0xab0 [ 3874.056776][ T10] process_one_work+0x84d/0x18a0 [ 3874.056776][ T10] worker_thread+0x587/0xd30 [ 3874.056776][ T10] kthread+0x28a/0x350 [ 3874.056776][ T10] ret_from_fork+0x31/0x70 [ 3874.056776][ T10] ret_from_fork_asm+0x1a/0x30 [ 3874.056776][ T10] [ 3874.058675][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3874.058675][ T10] netdev_get_by_index+0x5e/0x80 [ 3874.058675][ T10] fib6_nh_init+0x3d8/0x1580 [ 3874.058675][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3874.058675][ T10] ip6_route_add+0x1c/0x140 [ 3874.058675][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3874.058675][ T10] inet6_addr_add+0x4f8/0xa40 [ 3874.058675][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3874.058675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.058675][ T10] netlink_rcv_skb+0x130/0x360 [ 3874.058675][ T10] netlink_unicast+0x449/0x710 [ 3874.058675][ T10] netlink_sendmsg+0x723/0xbe0 [ 3874.058675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3874.058675][ T10] ___sys_sendmsg+0xee/0x170 [ 3874.058675][ T10] __sys_sendmsg+0xcd/0x170 [ 3874.058675][ T10] do_syscall_64+0xc6/0x1e0 [ 3874.058675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.058675][ T10] [ 3874.060852][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3874.060852][ T10] netdev_get_by_index+0x5e/0x80 [ 3874.060852][ T10] fib6_nh_init+0x3d8/0x1580 [ 3874.060852][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3874.060852][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3874.060852][ T10] ipv6_add_addr+0x411/0x2000 [ 3874.060852][ T10] inet6_addr_add+0x30e/0xa40 [ 3874.060852][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3874.060852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.060852][ T10] netlink_rcv_skb+0x130/0x360 [ 3874.060852][ T10] netlink_unicast+0x449/0x710 [ 3874.060852][ T10] netlink_sendmsg+0x723/0xbe0 [ 3874.060852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3874.060852][ T10] ___sys_sendmsg+0xee/0x170 [ 3874.060852][ T10] __sys_sendmsg+0xcd/0x170 [ 3874.060852][ T10] do_syscall_64+0xc6/0x1e0 [ 3874.060852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.060852][ T10] [ 3874.063141][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3874.063141][ T10] netdev_get_by_index+0x5e/0x80 [ 3874.063141][ T10] fib6_nh_init+0x3d8/0x1580 [ 3874.063141][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3874.063141][ T10] ip6_route_add+0x1c/0x140 [ 3874.063141][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3874.063141][ T10] addrconf_add_dev+0xe2/0x170 [ 3874.063141][ T10] inet6_addr_add+0x12f/0xa40 [ 3874.063141][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3874.063141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.063141][ T10] netlink_rcv_skb+0x130/0x360 [ 3874.063141][ T10] netlink_unicast+0x449/0x710 [ 3874.063141][ T10] netlink_sendmsg+0x723/0xbe0 [ 3874.063141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3874.063141][ T10] ___sys_sendmsg+0xee/0x170 [ 3874.063141][ T10] __sys_sendmsg+0xcd/0x170 [ 3874.063141][ T10] do_syscall_64+0xc6/0x1e0 [ 3874.063141][ T10] [ 3874.065336][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3874.065336][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3874.065336][ T10] ipv6_find_idev+0x102/0x170 [ 3874.065336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3874.065336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.065336][ T10] netlink_rcv_skb+0x130/0x360 [ 3874.065336][ T10] netlink_unicast+0x449/0x710 [ 3874.065336][ T10] netlink_sendmsg+0x723/0xbe0 [ 3874.065336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3874.065336][ T10] ___sys_sendmsg+0xee/0x170 [ 3874.065336][ T10] __sys_sendmsg+0xcd/0x170 [ 3874.065336][ T10] do_syscall_64+0xc6/0x1e0 [ 3874.065336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.065336][ T10] [ 3874.066991][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3874.066991][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3874.066991][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3874.066991][ T10] ipv6_find_idev+0x102/0x170 [ 3874.066991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3874.066991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.066991][ T10] netlink_rcv_skb+0x130/0x360 [ 3874.066991][ T10] netlink_unicast+0x449/0x710 [ 3874.066991][ T10] netlink_sendmsg+0x723/0xbe0 [ 3874.066991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3874.066991][ T10] ___sys_sendmsg+0xee/0x170 [ 3874.066991][ T10] __sys_sendmsg+0xcd/0x170 [ 3874.066991][ T10] do_syscall_64+0xc6/0x1e0 [ 3874.066991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.066991][ T10] [ 3874.068913][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3874.069586][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3874.069586][ T10] netdev_get_by_index+0x5e/0x80 [ 3874.069586][ T10] fib6_nh_init+0x3d8/0x1580 [ 3874.069586][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3874.069586][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3874.069586][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3874.069586][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3874.069586][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3874.069586][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3874.069586][ T10] addrconf_dad_begin+0x310/0x670 [ 3874.069586][ T10] addrconf_dad_work+0x10b/0xab0 [ 3874.069586][ T10] process_one_work+0x84d/0x18a0 [ 3874.069586][ T10] worker_thread+0x587/0xd30 [ 3874.069586][ T10] kthread+0x28a/0x350 [ 3874.069586][ T10] ret_from_fork+0x31/0x70 [ 3874.069586][ T10] ret_from_fork_asm+0x1a/0x30 [ 3874.069586][ T10] [ 3874.071487][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3874.071487][ T10] netdev_get_by_index+0x5e/0x80 [ 3874.071487][ T10] fib6_nh_init+0x3d8/0x1580 [ 3874.071487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3874.071487][ T10] ip6_route_add+0x1c/0x140 [ 3874.071487][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3874.071487][ T10] inet6_addr_add+0x4f8/0xa40 [ 3874.071487][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3874.071487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.071487][ T10] netlink_rcv_skb+0x130/0x360 [ 3874.071487][ T10] netlink_unicast+0x449/0x710 [ 3874.071487][ T10] netlink_sendmsg+0x723/0xbe0 [ 3874.071487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3874.071487][ T10] ___sys_sendmsg+0xee/0x170 [ 3874.071487][ T10] __sys_sendmsg+0xcd/0x170 [ 3874.071487][ T10] do_syscall_64+0xc6/0x1e0 [ 3874.071487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.071487][ T10] [ 3874.073593][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3874.073593][ T10] netdev_get_by_index+0x5e/0x80 [ 3874.073593][ T10] fib6_nh_init+0x3d8/0x1580 [ 3874.073593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3874.073593][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3874.073593][ T10] ipv6_add_addr+0x411/0x2000 [ 3874.073593][ T10] inet6_addr_add+0x30e/0xa40 [ 3874.073593][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3874.073593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.073593][ T10] netlink_rcv_skb+0x130/0x360 [ 3874.073593][ T10] netlink_unicast+0x449/0x710 [ 3874.073593][ T10] netlink_sendmsg+0x723/0xbe0 [ 3874.073593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3874.073593][ T10] ___sys_sendmsg+0xee/0x170 [ 3874.073593][ T10] __sys_sendmsg+0xcd/0x170 [ 3874.073593][ T10] do_syscall_64+0xc6/0x1e0 [ 3874.073593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.073593][ T10] [ 3874.075927][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3874.075927][ T10] netdev_get_by_index+0x5e/0x80 [ 3874.075927][ T10] fib6_nh_init+0x3d8/0x1580 [ 3874.075927][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3874.075927][ T10] ip6_route_add+0x1c/0x140 [ 3874.075927][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3874.075927][ T10] addrconf_add_dev+0xe2/0x170 [ 3874.075927][ T10] inet6_addr_add+0x12f/0xa40 [ 3874.075927][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3874.075927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.075927][ T10] netlink_rcv_skb+0x130/0x360 [ 3874.075927][ T10] netlink_unicast+0x449/0x710 [ 3874.075927][ T10] netlink_sendmsg+0x723/0xbe0 [ 3874.075927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3874.075927][ T10] ___sys_sendmsg+0xee/0x170 [ 3874.075927][ T10] __sys_sendmsg+0xcd/0x170 [ 3874.075927][ T10] do_syscall_64+0xc6/0x1e0 [ 3874.075927][ T10] [ 3874.078062][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3874.078062][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3874.078062][ T10] ipv6_find_idev+0x102/0x170 [ 3874.078062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3874.078062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.078062][ T10] netlink_rcv_skb+0x130/0x360 [ 3874.078062][ T10] netlink_unicast+0x449/0x710 [ 3874.078062][ T10] netlink_sendmsg+0x723/0xbe0 [ 3874.078062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3874.078062][ T10] ___sys_sendmsg+0xee/0x170 [ 3874.078062][ T10] __sys_sendmsg+0xcd/0x170 [ 3874.078062][ T10] do_syscall_64+0xc6/0x1e0 [ 3874.078062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.078062][ T10] [ 3874.079788][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3874.079788][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3874.079788][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3874.079788][ T10] ipv6_find_idev+0x102/0x170 [ 3874.079788][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3874.079788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.079788][ T10] netlink_rcv_skb+0x130/0x360 [ 3874.079788][ T10] netlink_unicast+0x449/0x710 [ 3874.079788][ T10] netlink_sendmsg+0x723/0xbe0 [ 3874.079788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3874.079788][ T10] ___sys_sendmsg+0xee/0x170 [ 3874.079788][ T10] __sys_sendmsg+0xcd/0x170 [ 3874.079788][ T10] do_syscall_64+0xc6/0x1e0 [ 3874.079788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.079788][ T10] [ 3882.153147][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3882.153633][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3882.153633][ T1167] dst_init+0x84/0x4a0 [ 3882.153633][ T1167] dst_alloc+0x97/0x150 [ 3882.153633][ T1167] ip6_dst_alloc+0x23/0x90 [ 3882.153633][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3882.153633][ T1167] ip6_pol_route+0x56f/0x840 [ 3882.153633][ T1167] fib6_rule_lookup+0x334/0x630 [ 3882.153633][ T1167] ip6_route_output_flags+0x259/0x480 [ 3882.153633][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3882.153633][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3882.153633][ T1167] netlink_rcv_skb+0x130/0x360 [ 3882.153633][ T1167] netlink_unicast+0x449/0x710 [ 3882.153633][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3882.153633][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3882.153633][ T1167] ___sys_sendmsg+0xee/0x170 [ 3882.153633][ T1167] __sys_sendmsg+0xcd/0x170 [ 3882.153633][ T1167] do_syscall_64+0xc6/0x1e0 [ 3882.153633][ T1167] [ 3882.155832][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3882.155832][ T1167] netdev_get_by_index+0x5e/0x80 [ 3882.155832][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3882.155832][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3882.155832][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3882.155832][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3882.155832][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3882.155832][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3882.155832][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3882.155832][ T1167] addrconf_dad_begin+0x310/0x670 [ 3882.155832][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3882.155832][ T1167] process_one_work+0x84d/0x18a0 [ 3882.155832][ T1167] worker_thread+0x587/0xd30 [ 3882.155832][ T1167] kthread+0x28a/0x350 [ 3882.155832][ T1167] ret_from_fork+0x31/0x70 [ 3882.155832][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3882.155832][ T1167] [ 3882.157981][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3882.157981][ T1167] netdev_get_by_index+0x5e/0x80 [ 3882.157981][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3882.157981][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3882.157981][ T1167] ip6_route_add+0x1c/0x140 [ 3882.157981][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3882.157981][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3882.157981][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3882.157981][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3882.157981][ T1167] netlink_rcv_skb+0x130/0x360 [ 3882.157981][ T1167] netlink_unicast+0x449/0x710 [ 3882.157981][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3882.157981][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3882.157981][ T1167] ___sys_sendmsg+0xee/0x170 [ 3882.157981][ T1167] __sys_sendmsg+0xcd/0x170 [ 3882.157981][ T1167] do_syscall_64+0xc6/0x1e0 [ 3882.157981][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3882.157981][ T1167] [ 3882.160226][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3882.160226][ T1167] netdev_get_by_index+0x5e/0x80 [ 3882.160226][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3882.160226][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3882.160226][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3882.160226][ T1167] ipv6_add_addr+0x411/0x2000 [ 3882.160226][ T1167] inet6_addr_add+0x30e/0xa40 [ 3882.160226][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3882.160226][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3882.160226][ T1167] netlink_rcv_skb+0x130/0x360 [ 3882.160226][ T1167] netlink_unicast+0x449/0x710 [ 3882.160226][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3882.160226][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3882.160226][ T1167] ___sys_sendmsg+0xee/0x170 [ 3882.160226][ T1167] __sys_sendmsg+0xcd/0x170 [ 3882.160226][ T1167] do_syscall_64+0xc6/0x1e0 [ 3882.160226][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3882.160226][ T1167] [ 3882.162463][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3882.162463][ T1167] netdev_get_by_index+0x5e/0x80 [ 3882.162463][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3882.162463][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3882.162463][ T1167] ip6_route_add+0x1c/0x140 [ 3882.162463][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3882.162463][ T1167] addrconf_add_dev+0xe2/0x170 [ 3882.162463][ T1167] inet6_addr_add+0x12f/0xa40 [ 3882.162463][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3882.162463][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3882.162463][ T1167] netlink_rcv_skb+0x130/0x360 [ 3882.162463][ T1167] netlink_unicast+0x449/0x710 [ 3882.162463][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3882.162463][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3882.162463][ T1167] ___sys_sendmsg+0xee/0x170 [ 3882.162463][ T1167] __sys_sendmsg+0xcd/0x170 [ 3882.162463][ T1167] do_syscall_64+0xc6/0x1e0 [ 3882.162463][ T1167] [ 3882.164773][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3882.164773][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3882.164773][ T1167] ipv6_find_idev+0x102/0x170 [ 3882.164773][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3882.164773][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3882.164773][ T1167] netlink_rcv_skb+0x130/0x360 [ 3882.164773][ T1167] netlink_unicast+0x449/0x710 [ 3882.164773][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3882.164773][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3882.164773][ T1167] ___sys_sendmsg+0xee/0x170 [ 3882.164773][ T1167] __sys_sendmsg+0xcd/0x170 [ 3882.164773][ T1167] do_syscall_64+0xc6/0x1e0 [ 3882.164773][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3882.164773][ T1167] [ 3882.166493][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3882.166493][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3882.166493][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3882.166493][ T1167] ipv6_find_idev+0x102/0x170 [ 3882.166493][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3882.166493][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3882.166493][ T1167] netlink_rcv_skb+0x130/0x360 [ 3882.166493][ T1167] netlink_unicast+0x449/0x710 [ 3882.166493][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3882.166493][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3882.166493][ T1167] ___sys_sendmsg+0xee/0x170 [ 3882.166493][ T1167] __sys_sendmsg+0xcd/0x170 [ 3882.166493][ T1167] do_syscall_64+0xc6/0x1e0 [ 3882.166493][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3882.166493][ T1167] [ 3884.337148][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3884.337563][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3884.337563][ T10] netdev_get_by_index+0x5e/0x80 [ 3884.337563][ T10] fib6_nh_init+0x3d8/0x1580 [ 3884.337563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3884.337563][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3884.337563][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3884.337563][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3884.337563][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3884.337563][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3884.337563][ T10] addrconf_dad_begin+0x310/0x670 [ 3884.337563][ T10] addrconf_dad_work+0x10b/0xab0 [ 3884.337563][ T10] process_one_work+0x84d/0x18a0 [ 3884.337563][ T10] worker_thread+0x587/0xd30 [ 3884.337563][ T10] kthread+0x28a/0x350 [ 3884.337563][ T10] ret_from_fork+0x31/0x70 [ 3884.337563][ T10] ret_from_fork_asm+0x1a/0x30 [ 3884.337563][ T10] [ 3884.339494][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3884.339494][ T10] netdev_get_by_index+0x5e/0x80 [ 3884.339494][ T10] fib6_nh_init+0x3d8/0x1580 [ 3884.339494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3884.339494][ T10] ip6_route_add+0x1c/0x140 [ 3884.339494][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3884.339494][ T10] inet6_addr_add+0x4f8/0xa40 [ 3884.339494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3884.339494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.339494][ T10] netlink_rcv_skb+0x130/0x360 [ 3884.339494][ T10] netlink_unicast+0x449/0x710 [ 3884.339494][ T10] netlink_sendmsg+0x723/0xbe0 [ 3884.339494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3884.339494][ T10] ___sys_sendmsg+0xee/0x170 [ 3884.339494][ T10] __sys_sendmsg+0xcd/0x170 [ 3884.339494][ T10] do_syscall_64+0xc6/0x1e0 [ 3884.339494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.339494][ T10] [ 3884.341501][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3884.341501][ T10] netdev_get_by_index+0x5e/0x80 [ 3884.341501][ T10] fib6_nh_init+0x3d8/0x1580 [ 3884.341501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3884.341501][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3884.341501][ T10] ipv6_add_addr+0x411/0x2000 [ 3884.341501][ T10] inet6_addr_add+0x30e/0xa40 [ 3884.341501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3884.341501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.341501][ T10] netlink_rcv_skb+0x130/0x360 [ 3884.341501][ T10] netlink_unicast+0x449/0x710 [ 3884.341501][ T10] netlink_sendmsg+0x723/0xbe0 [ 3884.341501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3884.341501][ T10] ___sys_sendmsg+0xee/0x170 [ 3884.341501][ T10] __sys_sendmsg+0xcd/0x170 [ 3884.341501][ T10] do_syscall_64+0xc6/0x1e0 [ 3884.341501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.341501][ T10] [ 3884.343480][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3884.343480][ T10] netdev_get_by_index+0x5e/0x80 [ 3884.343480][ T10] fib6_nh_init+0x3d8/0x1580 [ 3884.343480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3884.343480][ T10] ip6_route_add+0x1c/0x140 [ 3884.343480][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3884.343480][ T10] addrconf_add_dev+0xe2/0x170 [ 3884.343480][ T10] inet6_addr_add+0x12f/0xa40 [ 3884.343480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3884.343480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.343480][ T10] netlink_rcv_skb+0x130/0x360 [ 3884.343480][ T10] netlink_unicast+0x449/0x710 [ 3884.343480][ T10] netlink_sendmsg+0x723/0xbe0 [ 3884.343480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3884.343480][ T10] ___sys_sendmsg+0xee/0x170 [ 3884.343480][ T10] __sys_sendmsg+0xcd/0x170 [ 3884.343480][ T10] do_syscall_64+0xc6/0x1e0 [ 3884.343480][ T10] [ 3884.345438][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3884.345438][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3884.345438][ T10] ipv6_find_idev+0x102/0x170 [ 3884.345438][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3884.345438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.345438][ T10] netlink_rcv_skb+0x130/0x360 [ 3884.345438][ T10] netlink_unicast+0x449/0x710 [ 3884.345438][ T10] netlink_sendmsg+0x723/0xbe0 [ 3884.345438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3884.345438][ T10] ___sys_sendmsg+0xee/0x170 [ 3884.345438][ T10] __sys_sendmsg+0xcd/0x170 [ 3884.345438][ T10] do_syscall_64+0xc6/0x1e0 [ 3884.345438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.345438][ T10] [ 3884.347085][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3884.347085][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3884.347085][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3884.347085][ T10] ipv6_find_idev+0x102/0x170 [ 3884.347085][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3884.347085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.347085][ T10] netlink_rcv_skb+0x130/0x360 [ 3884.347085][ T10] netlink_unicast+0x449/0x710 [ 3884.347085][ T10] netlink_sendmsg+0x723/0xbe0 [ 3884.347085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3884.347085][ T10] ___sys_sendmsg+0xee/0x170 [ 3884.347085][ T10] __sys_sendmsg+0xcd/0x170 [ 3884.347085][ T10] do_syscall_64+0xc6/0x1e0 [ 3884.347085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.347085][ T10] [ 3884.348760][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3884.349006][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3884.349006][ T10] netdev_get_by_index+0x5e/0x80 [ 3884.349006][ T10] fib6_nh_init+0x3d8/0x1580 [ 3884.349006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3884.349006][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3884.349006][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3884.349006][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3884.349006][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3884.349006][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3884.349006][ T10] addrconf_dad_begin+0x310/0x670 [ 3884.349006][ T10] addrconf_dad_work+0x10b/0xab0 [ 3884.349006][ T10] process_one_work+0x84d/0x18a0 [ 3884.349006][ T10] worker_thread+0x587/0xd30 [ 3884.349006][ T10] kthread+0x28a/0x350 [ 3884.349006][ T10] ret_from_fork+0x31/0x70 [ 3884.349006][ T10] ret_from_fork_asm+0x1a/0x30 [ 3884.349006][ T10] [ 3884.350934][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3884.350934][ T10] netdev_get_by_index+0x5e/0x80 [ 3884.350934][ T10] fib6_nh_init+0x3d8/0x1580 [ 3884.350934][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3884.350934][ T10] ip6_route_add+0x1c/0x140 [ 3884.350934][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3884.350934][ T10] inet6_addr_add+0x4f8/0xa40 [ 3884.350934][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3884.350934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.350934][ T10] netlink_rcv_skb+0x130/0x360 [ 3884.350934][ T10] netlink_unicast+0x449/0x710 [ 3884.350934][ T10] netlink_sendmsg+0x723/0xbe0 [ 3884.350934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3884.350934][ T10] ___sys_sendmsg+0xee/0x170 [ 3884.350934][ T10] __sys_sendmsg+0xcd/0x170 [ 3884.350934][ T10] do_syscall_64+0xc6/0x1e0 [ 3884.350934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.350934][ T10] [ 3884.352932][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3884.352932][ T10] netdev_get_by_index+0x5e/0x80 [ 3884.352932][ T10] fib6_nh_init+0x3d8/0x1580 [ 3884.352932][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3884.352932][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3884.352932][ T10] ipv6_add_addr+0x411/0x2000 [ 3884.352932][ T10] inet6_addr_add+0x30e/0xa40 [ 3884.352932][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3884.352932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.352932][ T10] netlink_rcv_skb+0x130/0x360 [ 3884.352932][ T10] netlink_unicast+0x449/0x710 [ 3884.352932][ T10] netlink_sendmsg+0x723/0xbe0 [ 3884.352932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3884.352932][ T10] ___sys_sendmsg+0xee/0x170 [ 3884.352932][ T10] __sys_sendmsg+0xcd/0x170 [ 3884.352932][ T10] do_syscall_64+0xc6/0x1e0 [ 3884.352932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.352932][ T10] [ 3884.354918][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3884.354918][ T10] netdev_get_by_index+0x5e/0x80 [ 3884.354918][ T10] fib6_nh_init+0x3d8/0x1580 [ 3884.354918][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3884.354918][ T10] ip6_route_add+0x1c/0x140 [ 3884.354918][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3884.354918][ T10] addrconf_add_dev+0xe2/0x170 [ 3884.354918][ T10] inet6_addr_add+0x12f/0xa40 [ 3884.354918][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3884.354918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.354918][ T10] netlink_rcv_skb+0x130/0x360 [ 3884.354918][ T10] netlink_unicast+0x449/0x710 [ 3884.354918][ T10] netlink_sendmsg+0x723/0xbe0 [ 3884.354918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3884.354918][ T10] ___sys_sendmsg+0xee/0x170 [ 3884.354918][ T10] __sys_sendmsg+0xcd/0x170 [ 3884.354918][ T10] do_syscall_64+0xc6/0x1e0 [ 3884.354918][ T10] [ 3884.356863][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3884.356863][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3884.356863][ T10] ipv6_find_idev+0x102/0x170 [ 3884.356863][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3884.356863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.356863][ T10] netlink_rcv_skb+0x130/0x360 [ 3884.356863][ T10] netlink_unicast+0x449/0x710 [ 3884.356863][ T10] netlink_sendmsg+0x723/0xbe0 [ 3884.356863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3884.356863][ T10] ___sys_sendmsg+0xee/0x170 [ 3884.356863][ T10] __sys_sendmsg+0xcd/0x170 [ 3884.356863][ T10] do_syscall_64+0xc6/0x1e0 [ 3884.356863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.356863][ T10] [ 3884.358384][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3884.358384][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3884.358384][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3884.358384][ T10] ipv6_find_idev+0x102/0x170 [ 3884.358384][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3884.358384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.358384][ T10] netlink_rcv_skb+0x130/0x360 [ 3884.358384][ T10] netlink_unicast+0x449/0x710 [ 3884.358384][ T10] netlink_sendmsg+0x723/0xbe0 [ 3884.358384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3884.358384][ T10] ___sys_sendmsg+0xee/0x170 [ 3884.358384][ T10] __sys_sendmsg+0xcd/0x170 [ 3884.358384][ T10] do_syscall_64+0xc6/0x1e0 [ 3884.358384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.358384][ T10] [ 3884.360062][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3884.360298][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3884.360298][ T10] netdev_get_by_index+0x5e/0x80 [ 3884.360298][ T10] fib6_nh_init+0x3d8/0x1580 [ 3884.360298][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3884.360298][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3884.360298][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3884.360298][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3884.360298][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3884.360298][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3884.360298][ T10] addrconf_dad_begin+0x310/0x670 [ 3884.360298][ T10] addrconf_dad_work+0x10b/0xab0 [ 3884.360298][ T10] process_one_work+0x84d/0x18a0 [ 3884.360298][ T10] worker_thread+0x587/0xd30 [ 3884.360298][ T10] kthread+0x28a/0x350 [ 3884.360298][ T10] ret_from_fork+0x31/0x70 [ 3884.360298][ T10] ret_from_fork_asm+0x1a/0x30 [ 3884.360298][ T10] [ 3884.362192][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3884.362192][ T10] netdev_get_by_index+0x5e/0x80 [ 3884.362192][ T10] fib6_nh_init+0x3d8/0x1580 [ 3884.362192][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3884.362192][ T10] ip6_route_add+0x1c/0x140 [ 3884.362192][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3884.362192][ T10] inet6_addr_add+0x4f8/0xa40 [ 3884.362192][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3884.362192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.362192][ T10] netlink_rcv_skb+0x130/0x360 [ 3884.362192][ T10] netlink_unicast+0x449/0x710 [ 3884.362192][ T10] netlink_sendmsg+0x723/0xbe0 [ 3884.362192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3884.362192][ T10] ___sys_sendmsg+0xee/0x170 [ 3884.362192][ T10] __sys_sendmsg+0xcd/0x170 [ 3884.362192][ T10] do_syscall_64+0xc6/0x1e0 [ 3884.362192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.362192][ T10] [ 3884.364371][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3884.364371][ T10] netdev_get_by_index+0x5e/0x80 [ 3884.364371][ T10] fib6_nh_init+0x3d8/0x1580 [ 3884.364371][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3884.364371][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3884.364371][ T10] ipv6_add_addr+0x411/0x2000 [ 3884.364371][ T10] inet6_addr_add+0x30e/0xa40 [ 3884.364371][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3884.364371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.364371][ T10] netlink_rcv_skb+0x130/0x360 [ 3884.364371][ T10] netlink_unicast+0x449/0x710 [ 3884.364371][ T10] netlink_sendmsg+0x723/0xbe0 [ 3884.364371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3884.364371][ T10] ___sys_sendmsg+0xee/0x170 [ 3884.364371][ T10] __sys_sendmsg+0xcd/0x170 [ 3884.364371][ T10] do_syscall_64+0xc6/0x1e0 [ 3884.364371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.364371][ T10] [ 3884.366657][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3884.366657][ T10] netdev_get_by_index+0x5e/0x80 [ 3884.366657][ T10] fib6_nh_init+0x3d8/0x1580 [ 3884.366657][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3884.366657][ T10] ip6_route_add+0x1c/0x140 [ 3884.366657][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3884.366657][ T10] addrconf_add_dev+0xe2/0x170 [ 3884.366657][ T10] inet6_addr_add+0x12f/0xa40 [ 3884.366657][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3884.366657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.366657][ T10] netlink_rcv_skb+0x130/0x360 [ 3884.366657][ T10] netlink_unicast+0x449/0x710 [ 3884.366657][ T10] netlink_sendmsg+0x723/0xbe0 [ 3884.366657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3884.366657][ T10] ___sys_sendmsg+0xee/0x170 [ 3884.366657][ T10] __sys_sendmsg+0xcd/0x170 [ 3884.366657][ T10] do_syscall_64+0xc6/0x1e0 [ 3884.366657][ T10] [ 3884.368785][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3884.368785][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3884.368785][ T10] ipv6_find_idev+0x102/0x170 [ 3884.368785][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3884.368785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.368785][ T10] netlink_rcv_skb+0x130/0x360 [ 3884.368785][ T10] netlink_unicast+0x449/0x710 [ 3884.368785][ T10] netlink_sendmsg+0x723/0xbe0 [ 3884.368785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3884.368785][ T10] ___sys_sendmsg+0xee/0x170 [ 3884.368785][ T10] __sys_sendmsg+0xcd/0x170 [ 3884.368785][ T10] do_syscall_64+0xc6/0x1e0 [ 3884.368785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.368785][ T10] [ 3884.370497][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3884.370497][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3884.370497][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3884.370497][ T10] ipv6_find_idev+0x102/0x170 [ 3884.370497][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3884.370497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.370497][ T10] netlink_rcv_skb+0x130/0x360 [ 3884.370497][ T10] netlink_unicast+0x449/0x710 [ 3884.370497][ T10] netlink_sendmsg+0x723/0xbe0 [ 3884.370497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3884.370497][ T10] ___sys_sendmsg+0xee/0x170 [ 3884.370497][ T10] __sys_sendmsg+0xcd/0x170 [ 3884.370497][ T10] do_syscall_64+0xc6/0x1e0 [ 3884.370497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.370497][ T10] [ 3884.372412][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3884.372648][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3884.372648][ T10] netdev_get_by_index+0x5e/0x80 [ 3884.372648][ T10] fib6_nh_init+0x3d8/0x1580 [ 3884.372648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3884.372648][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3884.372648][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3884.372648][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3884.372648][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3884.372648][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3884.372648][ T10] addrconf_dad_begin+0x310/0x670 [ 3884.372648][ T10] addrconf_dad_work+0x10b/0xab0 [ 3884.372648][ T10] process_one_work+0x84d/0x18a0 [ 3884.372648][ T10] worker_thread+0x587/0xd30 [ 3884.372648][ T10] kthread+0x28a/0x350 [ 3884.372648][ T10] ret_from_fork+0x31/0x70 [ 3884.372648][ T10] ret_from_fork_asm+0x1a/0x30 [ 3884.372648][ T10] [ 3884.374847][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3884.374847][ T10] netdev_get_by_index+0x5e/0x80 [ 3884.374847][ T10] fib6_nh_init+0x3d8/0x1580 [ 3884.374847][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3884.374847][ T10] ip6_route_add+0x1c/0x140 [ 3884.374847][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3884.374847][ T10] inet6_addr_add+0x4f8/0xa40 [ 3884.374847][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3884.374847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.374847][ T10] netlink_rcv_skb+0x130/0x360 [ 3884.374847][ T10] netlink_unicast+0x449/0x710 [ 3884.374847][ T10] netlink_sendmsg+0x723/0xbe0 [ 3884.374847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3884.374847][ T10] ___sys_sendmsg+0xee/0x170 [ 3884.374847][ T10] __sys_sendmsg+0xcd/0x170 [ 3884.374847][ T10] do_syscall_64+0xc6/0x1e0 [ 3884.374847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.374847][ T10] [ 3884.377074][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3884.377074][ T10] netdev_get_by_index+0x5e/0x80 [ 3884.377074][ T10] fib6_nh_init+0x3d8/0x1580 [ 3884.377074][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3884.377074][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3884.377074][ T10] ipv6_add_addr+0x411/0x2000 [ 3884.377074][ T10] inet6_addr_add+0x30e/0xa40 [ 3884.377074][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3884.377074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.377074][ T10] netlink_rcv_skb+0x130/0x360 [ 3884.377074][ T10] netlink_unicast+0x449/0x710 [ 3884.377074][ T10] netlink_sendmsg+0x723/0xbe0 [ 3884.377074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3884.377074][ T10] ___sys_sendmsg+0xee/0x170 [ 3884.377074][ T10] __sys_sendmsg+0xcd/0x170 [ 3884.377074][ T10] do_syscall_64+0xc6/0x1e0 [ 3884.377074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.377074][ T10] [ 3884.379239][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3884.379239][ T10] netdev_get_by_index+0x5e/0x80 [ 3884.379239][ T10] fib6_nh_init+0x3d8/0x1580 [ 3884.379239][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3884.379239][ T10] ip6_route_add+0x1c/0x140 [ 3884.379239][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3884.379239][ T10] addrconf_add_dev+0xe2/0x170 [ 3884.379239][ T10] inet6_addr_add+0x12f/0xa40 [ 3884.379239][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3884.379239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.379239][ T10] netlink_rcv_skb+0x130/0x360 [ 3884.379239][ T10] netlink_unicast+0x449/0x710 [ 3884.379239][ T10] netlink_sendmsg+0x723/0xbe0 [ 3884.379239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3884.379239][ T10] ___sys_sendmsg+0xee/0x170 [ 3884.379239][ T10] __sys_sendmsg+0xcd/0x170 [ 3884.379239][ T10] do_syscall_64+0xc6/0x1e0 [ 3884.379239][ T10] [ 3884.381446][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3884.381446][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3884.381446][ T10] ipv6_find_idev+0x102/0x170 [ 3884.381446][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3884.381446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.381446][ T10] netlink_rcv_skb+0x130/0x360 [ 3884.381446][ T10] netlink_unicast+0x449/0x710 [ 3884.381446][ T10] netlink_sendmsg+0x723/0xbe0 [ 3884.381446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3884.381446][ T10] ___sys_sendmsg+0xee/0x170 [ 3884.381446][ T10] __sys_sendmsg+0xcd/0x170 [ 3884.381446][ T10] do_syscall_64+0xc6/0x1e0 [ 3884.381446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.381446][ T10] [ 3884.383155][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3884.383155][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3884.383155][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3884.383155][ T10] ipv6_find_idev+0x102/0x170 [ 3884.383155][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3884.383155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.383155][ T10] netlink_rcv_skb+0x130/0x360 [ 3884.383155][ T10] netlink_unicast+0x449/0x710 [ 3884.383155][ T10] netlink_sendmsg+0x723/0xbe0 [ 3884.383155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3884.383155][ T10] ___sys_sendmsg+0xee/0x170 [ 3884.383155][ T10] __sys_sendmsg+0xcd/0x170 [ 3884.383155][ T10] do_syscall_64+0xc6/0x1e0 [ 3884.383155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.383155][ T10] [ 3892.409062][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3892.409530][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3892.409530][ T1167] dst_init+0x84/0x4a0 [ 3892.409530][ T1167] dst_alloc+0x97/0x150 [ 3892.409530][ T1167] ip6_dst_alloc+0x23/0x90 [ 3892.409530][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3892.409530][ T1167] ip6_pol_route+0x56f/0x840 [ 3892.409530][ T1167] fib6_rule_lookup+0x334/0x630 [ 3892.409530][ T1167] ip6_route_output_flags+0x259/0x480 [ 3892.409530][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3892.409530][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3892.409530][ T1167] netlink_rcv_skb+0x130/0x360 [ 3892.409530][ T1167] netlink_unicast+0x449/0x710 [ 3892.409530][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3892.409530][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3892.409530][ T1167] ___sys_sendmsg+0xee/0x170 [ 3892.409530][ T1167] __sys_sendmsg+0xcd/0x170 [ 3892.409530][ T1167] do_syscall_64+0xc6/0x1e0 [ 3892.409530][ T1167] [ 3892.412129][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3892.412129][ T1167] netdev_get_by_index+0x5e/0x80 [ 3892.412129][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3892.412129][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3892.412129][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3892.412129][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3892.412129][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3892.412129][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3892.412129][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3892.412129][ T1167] addrconf_dad_begin+0x310/0x670 [ 3892.412129][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3892.412129][ T1167] process_one_work+0x84d/0x18a0 [ 3892.412129][ T1167] worker_thread+0x587/0xd30 [ 3892.412129][ T1167] kthread+0x28a/0x350 [ 3892.412129][ T1167] ret_from_fork+0x31/0x70 [ 3892.412129][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3892.412129][ T1167] [ 3892.414491][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3892.414491][ T1167] netdev_get_by_index+0x5e/0x80 [ 3892.414491][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3892.414491][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3892.414491][ T1167] ip6_route_add+0x1c/0x140 [ 3892.414491][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3892.414491][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3892.414491][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3892.414491][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3892.414491][ T1167] netlink_rcv_skb+0x130/0x360 [ 3892.414491][ T1167] netlink_unicast+0x449/0x710 [ 3892.414491][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3892.414491][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3892.414491][ T1167] ___sys_sendmsg+0xee/0x170 [ 3892.414491][ T1167] __sys_sendmsg+0xcd/0x170 [ 3892.414491][ T1167] do_syscall_64+0xc6/0x1e0 [ 3892.414491][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3892.414491][ T1167] [ 3892.416847][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3892.416847][ T1167] netdev_get_by_index+0x5e/0x80 [ 3892.416847][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3892.416847][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3892.416847][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3892.416847][ T1167] ipv6_add_addr+0x411/0x2000 [ 3892.416847][ T1167] inet6_addr_add+0x30e/0xa40 [ 3892.416847][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3892.416847][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3892.416847][ T1167] netlink_rcv_skb+0x130/0x360 [ 3892.416847][ T1167] netlink_unicast+0x449/0x710 [ 3892.416847][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3892.416847][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3892.416847][ T1167] ___sys_sendmsg+0xee/0x170 [ 3892.416847][ T1167] __sys_sendmsg+0xcd/0x170 [ 3892.416847][ T1167] do_syscall_64+0xc6/0x1e0 [ 3892.416847][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3892.416847][ T1167] [ 3892.419556][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3892.419556][ T1167] netdev_get_by_index+0x5e/0x80 [ 3892.419556][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3892.419556][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3892.419556][ T1167] ip6_route_add+0x1c/0x140 [ 3892.419556][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3892.419556][ T1167] addrconf_add_dev+0xe2/0x170 [ 3892.419556][ T1167] inet6_addr_add+0x12f/0xa40 [ 3892.419556][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3892.419556][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3892.419556][ T1167] netlink_rcv_skb+0x130/0x360 [ 3892.419556][ T1167] netlink_unicast+0x449/0x710 [ 3892.419556][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3892.419556][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3892.419556][ T1167] ___sys_sendmsg+0xee/0x170 [ 3892.419556][ T1167] __sys_sendmsg+0xcd/0x170 [ 3892.419556][ T1167] do_syscall_64+0xc6/0x1e0 [ 3892.419556][ T1167] [ 3892.422085][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3892.422085][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3892.422085][ T1167] ipv6_find_idev+0x102/0x170 [ 3892.422085][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3892.422085][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3892.422085][ T1167] netlink_rcv_skb+0x130/0x360 [ 3892.422085][ T1167] netlink_unicast+0x449/0x710 [ 3892.422085][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3892.422085][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3892.422085][ T1167] ___sys_sendmsg+0xee/0x170 [ 3892.422085][ T1167] __sys_sendmsg+0xcd/0x170 [ 3892.422085][ T1167] do_syscall_64+0xc6/0x1e0 [ 3892.422085][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3892.422085][ T1167] [ 3892.423832][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3892.423832][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3892.423832][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3892.423832][ T1167] ipv6_find_idev+0x102/0x170 [ 3892.423832][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3892.423832][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3892.423832][ T1167] netlink_rcv_skb+0x130/0x360 [ 3892.423832][ T1167] netlink_unicast+0x449/0x710 [ 3892.423832][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3892.423832][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3892.423832][ T1167] ___sys_sendmsg+0xee/0x170 [ 3892.423832][ T1167] __sys_sendmsg+0xcd/0x170 [ 3892.423832][ T1167] do_syscall_64+0xc6/0x1e0 [ 3892.423832][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3892.423832][ T1167] [ 3894.641144][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3894.641561][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3894.641561][ T10] netdev_get_by_index+0x5e/0x80 [ 3894.641561][ T10] fib6_nh_init+0x3d8/0x1580 [ 3894.641561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3894.641561][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3894.641561][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3894.641561][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3894.641561][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3894.641561][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3894.641561][ T10] addrconf_dad_begin+0x310/0x670 [ 3894.641561][ T10] addrconf_dad_work+0x10b/0xab0 [ 3894.641561][ T10] process_one_work+0x84d/0x18a0 [ 3894.641561][ T10] worker_thread+0x587/0xd30 [ 3894.641561][ T10] kthread+0x28a/0x350 [ 3894.641561][ T10] ret_from_fork+0x31/0x70 [ 3894.641561][ T10] ret_from_fork_asm+0x1a/0x30 [ 3894.641561][ T10] [ 3894.643499][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3894.643499][ T10] netdev_get_by_index+0x5e/0x80 [ 3894.643499][ T10] fib6_nh_init+0x3d8/0x1580 [ 3894.643499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3894.643499][ T10] ip6_route_add+0x1c/0x140 [ 3894.643499][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3894.643499][ T10] inet6_addr_add+0x4f8/0xa40 [ 3894.643499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3894.643499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.643499][ T10] netlink_rcv_skb+0x130/0x360 [ 3894.643499][ T10] netlink_unicast+0x449/0x710 [ 3894.643499][ T10] netlink_sendmsg+0x723/0xbe0 [ 3894.643499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3894.643499][ T10] ___sys_sendmsg+0xee/0x170 [ 3894.643499][ T10] __sys_sendmsg+0xcd/0x170 [ 3894.643499][ T10] do_syscall_64+0xc6/0x1e0 [ 3894.643499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.643499][ T10] [ 3894.645508][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3894.645508][ T10] netdev_get_by_index+0x5e/0x80 [ 3894.645508][ T10] fib6_nh_init+0x3d8/0x1580 [ 3894.645508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3894.645508][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3894.645508][ T10] ipv6_add_addr+0x411/0x2000 [ 3894.645508][ T10] inet6_addr_add+0x30e/0xa40 [ 3894.645508][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3894.645508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.645508][ T10] netlink_rcv_skb+0x130/0x360 [ 3894.645508][ T10] netlink_unicast+0x449/0x710 [ 3894.645508][ T10] netlink_sendmsg+0x723/0xbe0 [ 3894.645508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3894.645508][ T10] ___sys_sendmsg+0xee/0x170 [ 3894.645508][ T10] __sys_sendmsg+0xcd/0x170 [ 3894.645508][ T10] do_syscall_64+0xc6/0x1e0 [ 3894.645508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.645508][ T10] [ 3894.647509][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3894.647509][ T10] netdev_get_by_index+0x5e/0x80 [ 3894.647509][ T10] fib6_nh_init+0x3d8/0x1580 [ 3894.647509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3894.647509][ T10] ip6_route_add+0x1c/0x140 [ 3894.647509][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3894.647509][ T10] addrconf_add_dev+0xe2/0x170 [ 3894.647509][ T10] inet6_addr_add+0x12f/0xa40 [ 3894.647509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3894.647509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.647509][ T10] netlink_rcv_skb+0x130/0x360 [ 3894.647509][ T10] netlink_unicast+0x449/0x710 [ 3894.647509][ T10] netlink_sendmsg+0x723/0xbe0 [ 3894.647509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3894.647509][ T10] ___sys_sendmsg+0xee/0x170 [ 3894.647509][ T10] __sys_sendmsg+0xcd/0x170 [ 3894.647509][ T10] do_syscall_64+0xc6/0x1e0 [ 3894.647509][ T10] [ 3894.649468][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3894.649468][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3894.649468][ T10] ipv6_find_idev+0x102/0x170 [ 3894.649468][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3894.649468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.649468][ T10] netlink_rcv_skb+0x130/0x360 [ 3894.649468][ T10] netlink_unicast+0x449/0x710 [ 3894.649468][ T10] netlink_sendmsg+0x723/0xbe0 [ 3894.649468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3894.649468][ T10] ___sys_sendmsg+0xee/0x170 [ 3894.649468][ T10] __sys_sendmsg+0xcd/0x170 [ 3894.649468][ T10] do_syscall_64+0xc6/0x1e0 [ 3894.649468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.649468][ T10] [ 3894.651002][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3894.651002][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3894.651002][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3894.651002][ T10] ipv6_find_idev+0x102/0x170 [ 3894.651002][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3894.651002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.651002][ T10] netlink_rcv_skb+0x130/0x360 [ 3894.651002][ T10] netlink_unicast+0x449/0x710 [ 3894.651002][ T10] netlink_sendmsg+0x723/0xbe0 [ 3894.651002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3894.651002][ T10] ___sys_sendmsg+0xee/0x170 [ 3894.651002][ T10] __sys_sendmsg+0xcd/0x170 [ 3894.651002][ T10] do_syscall_64+0xc6/0x1e0 [ 3894.651002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.651002][ T10] [ 3894.652672][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3894.652924][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3894.652924][ T10] netdev_get_by_index+0x5e/0x80 [ 3894.652924][ T10] fib6_nh_init+0x3d8/0x1580 [ 3894.652924][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3894.652924][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3894.652924][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3894.652924][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3894.652924][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3894.652924][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3894.652924][ T10] addrconf_dad_begin+0x310/0x670 [ 3894.652924][ T10] addrconf_dad_work+0x10b/0xab0 [ 3894.652924][ T10] process_one_work+0x84d/0x18a0 [ 3894.652924][ T10] worker_thread+0x587/0xd30 [ 3894.652924][ T10] kthread+0x28a/0x350 [ 3894.652924][ T10] ret_from_fork+0x31/0x70 [ 3894.652924][ T10] ret_from_fork_asm+0x1a/0x30 [ 3894.652924][ T10] [ 3894.654821][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3894.654821][ T10] netdev_get_by_index+0x5e/0x80 [ 3894.654821][ T10] fib6_nh_init+0x3d8/0x1580 [ 3894.654821][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3894.654821][ T10] ip6_route_add+0x1c/0x140 [ 3894.654821][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3894.654821][ T10] inet6_addr_add+0x4f8/0xa40 [ 3894.654821][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3894.654821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.654821][ T10] netlink_rcv_skb+0x130/0x360 [ 3894.654821][ T10] netlink_unicast+0x449/0x710 [ 3894.654821][ T10] netlink_sendmsg+0x723/0xbe0 [ 3894.654821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3894.654821][ T10] ___sys_sendmsg+0xee/0x170 [ 3894.654821][ T10] __sys_sendmsg+0xcd/0x170 [ 3894.654821][ T10] do_syscall_64+0xc6/0x1e0 [ 3894.654821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.654821][ T10] [ 3894.656802][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3894.656802][ T10] netdev_get_by_index+0x5e/0x80 [ 3894.656802][ T10] fib6_nh_init+0x3d8/0x1580 [ 3894.656802][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3894.656802][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3894.656802][ T10] ipv6_add_addr+0x411/0x2000 [ 3894.656802][ T10] inet6_addr_add+0x30e/0xa40 [ 3894.656802][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3894.656802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.656802][ T10] netlink_rcv_skb+0x130/0x360 [ 3894.656802][ T10] netlink_unicast+0x449/0x710 [ 3894.656802][ T10] netlink_sendmsg+0x723/0xbe0 [ 3894.656802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3894.656802][ T10] ___sys_sendmsg+0xee/0x170 [ 3894.656802][ T10] __sys_sendmsg+0xcd/0x170 [ 3894.656802][ T10] do_syscall_64+0xc6/0x1e0 [ 3894.656802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.656802][ T10] [ 3894.658777][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3894.658777][ T10] netdev_get_by_index+0x5e/0x80 [ 3894.658777][ T10] fib6_nh_init+0x3d8/0x1580 [ 3894.658777][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3894.658777][ T10] ip6_route_add+0x1c/0x140 [ 3894.658777][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3894.658777][ T10] addrconf_add_dev+0xe2/0x170 [ 3894.658777][ T10] inet6_addr_add+0x12f/0xa40 [ 3894.658777][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3894.658777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.658777][ T10] netlink_rcv_skb+0x130/0x360 [ 3894.658777][ T10] netlink_unicast+0x449/0x710 [ 3894.658777][ T10] netlink_sendmsg+0x723/0xbe0 [ 3894.658777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3894.658777][ T10] ___sys_sendmsg+0xee/0x170 [ 3894.658777][ T10] __sys_sendmsg+0xcd/0x170 [ 3894.658777][ T10] do_syscall_64+0xc6/0x1e0 [ 3894.658777][ T10] [ 3894.660730][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3894.660730][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3894.660730][ T10] ipv6_find_idev+0x102/0x170 [ 3894.660730][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3894.660730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.660730][ T10] netlink_rcv_skb+0x130/0x360 [ 3894.660730][ T10] netlink_unicast+0x449/0x710 [ 3894.660730][ T10] netlink_sendmsg+0x723/0xbe0 [ 3894.660730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3894.660730][ T10] ___sys_sendmsg+0xee/0x170 [ 3894.660730][ T10] __sys_sendmsg+0xcd/0x170 [ 3894.660730][ T10] do_syscall_64+0xc6/0x1e0 [ 3894.660730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.660730][ T10] [ 3894.662268][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3894.662268][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3894.662268][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3894.662268][ T10] ipv6_find_idev+0x102/0x170 [ 3894.662268][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3894.662268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.662268][ T10] netlink_rcv_skb+0x130/0x360 [ 3894.662268][ T10] netlink_unicast+0x449/0x710 [ 3894.662268][ T10] netlink_sendmsg+0x723/0xbe0 [ 3894.662268][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3894.662268][ T10] ___sys_sendmsg+0xee/0x170 [ 3894.662268][ T10] __sys_sendmsg+0xcd/0x170 [ 3894.662268][ T10] do_syscall_64+0xc6/0x1e0 [ 3894.662268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.662268][ T10] [ 3894.663947][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3894.664194][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3894.664194][ T10] netdev_get_by_index+0x5e/0x80 [ 3894.664194][ T10] fib6_nh_init+0x3d8/0x1580 [ 3894.664194][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3894.664194][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3894.664194][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3894.664194][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3894.664194][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3894.664194][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3894.664194][ T10] addrconf_dad_begin+0x310/0x670 [ 3894.664194][ T10] addrconf_dad_work+0x10b/0xab0 [ 3894.664194][ T10] process_one_work+0x84d/0x18a0 [ 3894.664194][ T10] worker_thread+0x587/0xd30 [ 3894.664194][ T10] kthread+0x28a/0x350 [ 3894.664194][ T10] ret_from_fork+0x31/0x70 [ 3894.664194][ T10] ret_from_fork_asm+0x1a/0x30 [ 3894.664194][ T10] [ 3894.666096][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3894.666096][ T10] netdev_get_by_index+0x5e/0x80 [ 3894.666096][ T10] fib6_nh_init+0x3d8/0x1580 [ 3894.666096][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3894.666096][ T10] ip6_route_add+0x1c/0x140 [ 3894.666096][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3894.666096][ T10] inet6_addr_add+0x4f8/0xa40 [ 3894.666096][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3894.666096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.666096][ T10] netlink_rcv_skb+0x130/0x360 [ 3894.666096][ T10] netlink_unicast+0x449/0x710 [ 3894.666096][ T10] netlink_sendmsg+0x723/0xbe0 [ 3894.666096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3894.666096][ T10] ___sys_sendmsg+0xee/0x170 [ 3894.666096][ T10] __sys_sendmsg+0xcd/0x170 [ 3894.666096][ T10] do_syscall_64+0xc6/0x1e0 [ 3894.666096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.666096][ T10] [ 3894.668262][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3894.668262][ T10] netdev_get_by_index+0x5e/0x80 [ 3894.668262][ T10] fib6_nh_init+0x3d8/0x1580 [ 3894.668262][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3894.668262][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3894.668262][ T10] ipv6_add_addr+0x411/0x2000 [ 3894.668262][ T10] inet6_addr_add+0x30e/0xa40 [ 3894.668262][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3894.668262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.668262][ T10] netlink_rcv_skb+0x130/0x360 [ 3894.668262][ T10] netlink_unicast+0x449/0x710 [ 3894.668262][ T10] netlink_sendmsg+0x723/0xbe0 [ 3894.668262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3894.668262][ T10] ___sys_sendmsg+0xee/0x170 [ 3894.668262][ T10] __sys_sendmsg+0xcd/0x170 [ 3894.668262][ T10] do_syscall_64+0xc6/0x1e0 [ 3894.668262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.668262][ T10] [ 3894.670570][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3894.670570][ T10] netdev_get_by_index+0x5e/0x80 [ 3894.670570][ T10] fib6_nh_init+0x3d8/0x1580 [ 3894.670570][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3894.670570][ T10] ip6_route_add+0x1c/0x140 [ 3894.670570][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3894.670570][ T10] addrconf_add_dev+0xe2/0x170 [ 3894.670570][ T10] inet6_addr_add+0x12f/0xa40 [ 3894.670570][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3894.670570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.670570][ T10] netlink_rcv_skb+0x130/0x360 [ 3894.670570][ T10] netlink_unicast+0x449/0x710 [ 3894.670570][ T10] netlink_sendmsg+0x723/0xbe0 [ 3894.670570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3894.670570][ T10] ___sys_sendmsg+0xee/0x170 [ 3894.670570][ T10] __sys_sendmsg+0xcd/0x170 [ 3894.670570][ T10] do_syscall_64+0xc6/0x1e0 [ 3894.670570][ T10] [ 3894.672694][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3894.672694][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3894.672694][ T10] ipv6_find_idev+0x102/0x170 [ 3894.672694][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3894.672694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.672694][ T10] netlink_rcv_skb+0x130/0x360 [ 3894.672694][ T10] netlink_unicast+0x449/0x710 [ 3894.672694][ T10] netlink_sendmsg+0x723/0xbe0 [ 3894.672694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3894.672694][ T10] ___sys_sendmsg+0xee/0x170 [ 3894.672694][ T10] __sys_sendmsg+0xcd/0x170 [ 3894.672694][ T10] do_syscall_64+0xc6/0x1e0 [ 3894.672694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.672694][ T10] [ 3894.674408][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3894.674408][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3894.674408][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3894.674408][ T10] ipv6_find_idev+0x102/0x170 [ 3894.674408][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3894.674408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.674408][ T10] netlink_rcv_skb+0x130/0x360 [ 3894.674408][ T10] netlink_unicast+0x449/0x710 [ 3894.674408][ T10] netlink_sendmsg+0x723/0xbe0 [ 3894.674408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3894.674408][ T10] ___sys_sendmsg+0xee/0x170 [ 3894.674408][ T10] __sys_sendmsg+0xcd/0x170 [ 3894.674408][ T10] do_syscall_64+0xc6/0x1e0 [ 3894.674408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.674408][ T10] [ 3894.676325][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3894.676560][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3894.676560][ T10] netdev_get_by_index+0x5e/0x80 [ 3894.676560][ T10] fib6_nh_init+0x3d8/0x1580 [ 3894.676560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3894.676560][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3894.676560][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3894.676560][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3894.676560][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3894.676560][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3894.676560][ T10] addrconf_dad_begin+0x310/0x670 [ 3894.676560][ T10] addrconf_dad_work+0x10b/0xab0 [ 3894.676560][ T10] process_one_work+0x84d/0x18a0 [ 3894.676560][ T10] worker_thread+0x587/0xd30 [ 3894.676560][ T10] kthread+0x28a/0x350 [ 3894.676560][ T10] ret_from_fork+0x31/0x70 [ 3894.676560][ T10] ret_from_fork_asm+0x1a/0x30 [ 3894.676560][ T10] [ 3894.678771][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3894.678771][ T10] netdev_get_by_index+0x5e/0x80 [ 3894.678771][ T10] fib6_nh_init+0x3d8/0x1580 [ 3894.678771][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3894.678771][ T10] ip6_route_add+0x1c/0x140 [ 3894.678771][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3894.678771][ T10] inet6_addr_add+0x4f8/0xa40 [ 3894.678771][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3894.678771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.678771][ T10] netlink_rcv_skb+0x130/0x360 [ 3894.678771][ T10] netlink_unicast+0x449/0x710 [ 3894.678771][ T10] netlink_sendmsg+0x723/0xbe0 [ 3894.678771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3894.678771][ T10] ___sys_sendmsg+0xee/0x170 [ 3894.678771][ T10] __sys_sendmsg+0xcd/0x170 [ 3894.678771][ T10] do_syscall_64+0xc6/0x1e0 [ 3894.678771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.678771][ T10] [ 3894.681008][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3894.681008][ T10] netdev_get_by_index+0x5e/0x80 [ 3894.681008][ T10] fib6_nh_init+0x3d8/0x1580 [ 3894.681008][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3894.681008][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3894.681008][ T10] ipv6_add_addr+0x411/0x2000 [ 3894.681008][ T10] inet6_addr_add+0x30e/0xa40 [ 3894.681008][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3894.681008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.681008][ T10] netlink_rcv_skb+0x130/0x360 [ 3894.681008][ T10] netlink_unicast+0x449/0x710 [ 3894.681008][ T10] netlink_sendmsg+0x723/0xbe0 [ 3894.681008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3894.681008][ T10] ___sys_sendmsg+0xee/0x170 [ 3894.681008][ T10] __sys_sendmsg+0xcd/0x170 [ 3894.681008][ T10] do_syscall_64+0xc6/0x1e0 [ 3894.681008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.681008][ T10] [ 3894.683175][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3894.683175][ T10] netdev_get_by_index+0x5e/0x80 [ 3894.683175][ T10] fib6_nh_init+0x3d8/0x1580 [ 3894.683175][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3894.683175][ T10] ip6_route_add+0x1c/0x140 [ 3894.683175][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3894.683175][ T10] addrconf_add_dev+0xe2/0x170 [ 3894.683175][ T10] inet6_addr_add+0x12f/0xa40 [ 3894.683175][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3894.683175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.683175][ T10] netlink_rcv_skb+0x130/0x360 [ 3894.683175][ T10] netlink_unicast+0x449/0x710 [ 3894.683175][ T10] netlink_sendmsg+0x723/0xbe0 [ 3894.683175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3894.683175][ T10] ___sys_sendmsg+0xee/0x170 [ 3894.683175][ T10] __sys_sendmsg+0xcd/0x170 [ 3894.683175][ T10] do_syscall_64+0xc6/0x1e0 [ 3894.683175][ T10] [ 3894.685367][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3894.685367][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3894.685367][ T10] ipv6_find_idev+0x102/0x170 [ 3894.685367][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3894.685367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.685367][ T10] netlink_rcv_skb+0x130/0x360 [ 3894.685367][ T10] netlink_unicast+0x449/0x710 [ 3894.685367][ T10] netlink_sendmsg+0x723/0xbe0 [ 3894.685367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3894.685367][ T10] ___sys_sendmsg+0xee/0x170 [ 3894.685367][ T10] __sys_sendmsg+0xcd/0x170 [ 3894.685367][ T10] do_syscall_64+0xc6/0x1e0 [ 3894.685367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.685367][ T10] [ 3894.687073][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3894.687073][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3894.687073][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3894.687073][ T10] ipv6_find_idev+0x102/0x170 [ 3894.687073][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3894.687073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.687073][ T10] netlink_rcv_skb+0x130/0x360 [ 3894.687073][ T10] netlink_unicast+0x449/0x710 [ 3894.687073][ T10] netlink_sendmsg+0x723/0xbe0 [ 3894.687073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3894.687073][ T10] ___sys_sendmsg+0xee/0x170 [ 3894.687073][ T10] __sys_sendmsg+0xcd/0x170 [ 3894.687073][ T10] do_syscall_64+0xc6/0x1e0 [ 3894.687073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.687073][ T10] [ 3902.665054][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3902.665493][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3902.665493][ T1167] dst_init+0x84/0x4a0 [ 3902.665493][ T1167] dst_alloc+0x97/0x150 [ 3902.665493][ T1167] ip6_dst_alloc+0x23/0x90 [ 3902.665493][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3902.665493][ T1167] ip6_pol_route+0x56f/0x840 [ 3902.665493][ T1167] fib6_rule_lookup+0x334/0x630 [ 3902.665493][ T1167] ip6_route_output_flags+0x259/0x480 [ 3902.665493][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3902.665493][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3902.665493][ T1167] netlink_rcv_skb+0x130/0x360 [ 3902.665493][ T1167] netlink_unicast+0x449/0x710 [ 3902.665493][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3902.665493][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3902.665493][ T1167] ___sys_sendmsg+0xee/0x170 [ 3902.665493][ T1167] __sys_sendmsg+0xcd/0x170 [ 3902.665493][ T1167] do_syscall_64+0xc6/0x1e0 [ 3902.665493][ T1167] [ 3902.667709][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3902.667709][ T1167] netdev_get_by_index+0x5e/0x80 [ 3902.667709][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3902.667709][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3902.667709][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3902.667709][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3902.667709][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3902.667709][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3902.667709][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3902.667709][ T1167] addrconf_dad_begin+0x310/0x670 [ 3902.667709][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3902.667709][ T1167] process_one_work+0x84d/0x18a0 [ 3902.667709][ T1167] worker_thread+0x587/0xd30 [ 3902.667709][ T1167] kthread+0x28a/0x350 [ 3902.667709][ T1167] ret_from_fork+0x31/0x70 [ 3902.667709][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3902.667709][ T1167] [ 3902.669892][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3902.669892][ T1167] netdev_get_by_index+0x5e/0x80 [ 3902.669892][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3902.669892][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3902.669892][ T1167] ip6_route_add+0x1c/0x140 [ 3902.669892][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3902.669892][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3902.669892][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3902.669892][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3902.669892][ T1167] netlink_rcv_skb+0x130/0x360 [ 3902.669892][ T1167] netlink_unicast+0x449/0x710 [ 3902.669892][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3902.669892][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3902.669892][ T1167] ___sys_sendmsg+0xee/0x170 [ 3902.669892][ T1167] __sys_sendmsg+0xcd/0x170 [ 3902.669892][ T1167] do_syscall_64+0xc6/0x1e0 [ 3902.669892][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3902.669892][ T1167] [ 3902.672143][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3902.672143][ T1167] netdev_get_by_index+0x5e/0x80 [ 3902.672143][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3902.672143][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3902.672143][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3902.672143][ T1167] ipv6_add_addr+0x411/0x2000 [ 3902.672143][ T1167] inet6_addr_add+0x30e/0xa40 [ 3902.672143][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3902.672143][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3902.672143][ T1167] netlink_rcv_skb+0x130/0x360 [ 3902.672143][ T1167] netlink_unicast+0x449/0x710 [ 3902.672143][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3902.672143][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3902.672143][ T1167] ___sys_sendmsg+0xee/0x170 [ 3902.672143][ T1167] __sys_sendmsg+0xcd/0x170 [ 3902.672143][ T1167] do_syscall_64+0xc6/0x1e0 [ 3902.672143][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3902.672143][ T1167] [ 3902.674399][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3902.674399][ T1167] netdev_get_by_index+0x5e/0x80 [ 3902.674399][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3902.674399][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3902.674399][ T1167] ip6_route_add+0x1c/0x140 [ 3902.674399][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3902.674399][ T1167] addrconf_add_dev+0xe2/0x170 [ 3902.674399][ T1167] inet6_addr_add+0x12f/0xa40 [ 3902.674399][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3902.674399][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3902.674399][ T1167] netlink_rcv_skb+0x130/0x360 [ 3902.674399][ T1167] netlink_unicast+0x449/0x710 [ 3902.674399][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3902.674399][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3902.674399][ T1167] ___sys_sendmsg+0xee/0x170 [ 3902.674399][ T1167] __sys_sendmsg+0xcd/0x170 [ 3902.674399][ T1167] do_syscall_64+0xc6/0x1e0 [ 3902.674399][ T1167] [ 3902.676718][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3902.676718][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3902.676718][ T1167] ipv6_find_idev+0x102/0x170 [ 3902.676718][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3902.676718][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3902.676718][ T1167] netlink_rcv_skb+0x130/0x360 [ 3902.676718][ T1167] netlink_unicast+0x449/0x710 [ 3902.676718][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3902.676718][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3902.676718][ T1167] ___sys_sendmsg+0xee/0x170 [ 3902.676718][ T1167] __sys_sendmsg+0xcd/0x170 [ 3902.676718][ T1167] do_syscall_64+0xc6/0x1e0 [ 3902.676718][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3902.676718][ T1167] [ 3902.678460][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3902.678460][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3902.678460][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3902.678460][ T1167] ipv6_find_idev+0x102/0x170 [ 3902.678460][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3902.678460][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3902.678460][ T1167] netlink_rcv_skb+0x130/0x360 [ 3902.678460][ T1167] netlink_unicast+0x449/0x710 [ 3902.678460][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3902.678460][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3902.678460][ T1167] ___sys_sendmsg+0xee/0x170 [ 3902.678460][ T1167] __sys_sendmsg+0xcd/0x170 [ 3902.678460][ T1167] do_syscall_64+0xc6/0x1e0 [ 3902.678460][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3902.678460][ T1167] [ 3904.945074][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3904.945550][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3904.945550][ T10] netdev_get_by_index+0x5e/0x80 [ 3904.945550][ T10] fib6_nh_init+0x3d8/0x1580 [ 3904.945550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3904.945550][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3904.945550][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3904.945550][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3904.945550][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3904.945550][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3904.945550][ T10] addrconf_dad_begin+0x310/0x670 [ 3904.945550][ T10] addrconf_dad_work+0x10b/0xab0 [ 3904.945550][ T10] process_one_work+0x84d/0x18a0 [ 3904.945550][ T10] worker_thread+0x587/0xd30 [ 3904.945550][ T10] kthread+0x28a/0x350 [ 3904.945550][ T10] ret_from_fork+0x31/0x70 [ 3904.945550][ T10] ret_from_fork_asm+0x1a/0x30 [ 3904.945550][ T10] [ 3904.947513][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3904.947513][ T10] netdev_get_by_index+0x5e/0x80 [ 3904.947513][ T10] fib6_nh_init+0x3d8/0x1580 [ 3904.947513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3904.947513][ T10] ip6_route_add+0x1c/0x140 [ 3904.947513][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3904.947513][ T10] inet6_addr_add+0x4f8/0xa40 [ 3904.947513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3904.947513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3904.947513][ T10] netlink_rcv_skb+0x130/0x360 [ 3904.947513][ T10] netlink_unicast+0x449/0x710 [ 3904.947513][ T10] netlink_sendmsg+0x723/0xbe0 [ 3904.947513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3904.947513][ T10] ___sys_sendmsg+0xee/0x170 [ 3904.947513][ T10] __sys_sendmsg+0xcd/0x170 [ 3904.947513][ T10] do_syscall_64+0xc6/0x1e0 [ 3904.947513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3904.947513][ T10] [ 3904.949521][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3904.949521][ T10] netdev_get_by_index+0x5e/0x80 [ 3904.949521][ T10] fib6_nh_init+0x3d8/0x1580 [ 3904.949521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3904.949521][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3904.949521][ T10] ipv6_add_addr+0x411/0x2000 [ 3904.949521][ T10] inet6_addr_add+0x30e/0xa40 [ 3904.949521][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3904.949521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3904.949521][ T10] netlink_rcv_skb+0x130/0x360 [ 3904.949521][ T10] netlink_unicast+0x449/0x710 [ 3904.949521][ T10] netlink_sendmsg+0x723/0xbe0 [ 3904.949521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3904.949521][ T10] ___sys_sendmsg+0xee/0x170 [ 3904.949521][ T10] __sys_sendmsg+0xcd/0x170 [ 3904.949521][ T10] do_syscall_64+0xc6/0x1e0 [ 3904.949521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3904.949521][ T10] [ 3904.951530][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3904.951530][ T10] netdev_get_by_index+0x5e/0x80 [ 3904.951530][ T10] fib6_nh_init+0x3d8/0x1580 [ 3904.951530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3904.951530][ T10] ip6_route_add+0x1c/0x140 [ 3904.951530][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3904.951530][ T10] addrconf_add_dev+0xe2/0x170 [ 3904.951530][ T10] inet6_addr_add+0x12f/0xa40 [ 3904.951530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3904.951530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3904.951530][ T10] netlink_rcv_skb+0x130/0x360 [ 3904.951530][ T10] netlink_unicast+0x449/0x710 [ 3904.951530][ T10] netlink_sendmsg+0x723/0xbe0 [ 3904.951530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3904.951530][ T10] ___sys_sendmsg+0xee/0x170 [ 3904.951530][ T10] __sys_sendmsg+0xcd/0x170 [ 3904.951530][ T10] do_syscall_64+0xc6/0x1e0 [ 3904.951530][ T10] [ 3904.953634][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3904.953634][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3904.953634][ T10] ipv6_find_idev+0x102/0x170 [ 3904.953634][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3904.953634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3904.953634][ T10] netlink_rcv_skb+0x130/0x360 [ 3904.953634][ T10] netlink_unicast+0x449/0x710 [ 3904.953634][ T10] netlink_sendmsg+0x723/0xbe0 [ 3904.953634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3904.953634][ T10] ___sys_sendmsg+0xee/0x170 [ 3904.953634][ T10] __sys_sendmsg+0xcd/0x170 [ 3904.953634][ T10] do_syscall_64+0xc6/0x1e0 [ 3904.953634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3904.953634][ T10] [ 3904.955169][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3904.955169][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3904.955169][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3904.955169][ T10] ipv6_find_idev+0x102/0x170 [ 3904.955169][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3904.955169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3904.955169][ T10] netlink_rcv_skb+0x130/0x360 [ 3904.955169][ T10] netlink_unicast+0x449/0x710 [ 3904.955169][ T10] netlink_sendmsg+0x723/0xbe0 [ 3904.955169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3904.955169][ T10] ___sys_sendmsg+0xee/0x170 [ 3904.955169][ T10] __sys_sendmsg+0xcd/0x170 [ 3904.955169][ T10] do_syscall_64+0xc6/0x1e0 [ 3904.955169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3904.955169][ T10] [ 3904.956854][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3904.957116][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3904.957116][ T10] netdev_get_by_index+0x5e/0x80 [ 3904.957116][ T10] fib6_nh_init+0x3d8/0x1580 [ 3904.957116][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3904.957116][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3904.957116][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3904.957116][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3904.957116][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3904.957116][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3904.957116][ T10] addrconf_dad_begin+0x310/0x670 [ 3904.957116][ T10] addrconf_dad_work+0x10b/0xab0 [ 3904.957116][ T10] process_one_work+0x84d/0x18a0 [ 3904.957116][ T10] worker_thread+0x587/0xd30 [ 3904.957116][ T10] kthread+0x28a/0x350 [ 3904.957116][ T10] ret_from_fork+0x31/0x70 [ 3904.957116][ T10] ret_from_fork_asm+0x1a/0x30 [ 3904.957116][ T10] [ 3904.959012][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3904.959012][ T10] netdev_get_by_index+0x5e/0x80 [ 3904.959012][ T10] fib6_nh_init+0x3d8/0x1580 [ 3904.959012][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3904.959012][ T10] ip6_route_add+0x1c/0x140 [ 3904.959012][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3904.959012][ T10] inet6_addr_add+0x4f8/0xa40 [ 3904.959012][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3904.959012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3904.959012][ T10] netlink_rcv_skb+0x130/0x360 [ 3904.959012][ T10] netlink_unicast+0x449/0x710 [ 3904.959012][ T10] netlink_sendmsg+0x723/0xbe0 [ 3904.959012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3904.959012][ T10] ___sys_sendmsg+0xee/0x170 [ 3904.959012][ T10] __sys_sendmsg+0xcd/0x170 [ 3904.959012][ T10] do_syscall_64+0xc6/0x1e0 [ 3904.959012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3904.959012][ T10] [ 3904.961029][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3904.961029][ T10] netdev_get_by_index+0x5e/0x80 [ 3904.961029][ T10] fib6_nh_init+0x3d8/0x1580 [ 3904.961029][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3904.961029][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3904.961029][ T10] ipv6_add_addr+0x411/0x2000 [ 3904.961029][ T10] inet6_addr_add+0x30e/0xa40 [ 3904.961029][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3904.961029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3904.961029][ T10] netlink_rcv_skb+0x130/0x360 [ 3904.961029][ T10] netlink_unicast+0x449/0x710 [ 3904.961029][ T10] netlink_sendmsg+0x723/0xbe0 [ 3904.961029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3904.961029][ T10] ___sys_sendmsg+0xee/0x170 [ 3904.961029][ T10] __sys_sendmsg+0xcd/0x170 [ 3904.961029][ T10] do_syscall_64+0xc6/0x1e0 [ 3904.961029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3904.961029][ T10] [ 3904.963016][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3904.963016][ T10] netdev_get_by_index+0x5e/0x80 [ 3904.963016][ T10] fib6_nh_init+0x3d8/0x1580 [ 3904.963016][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3904.963016][ T10] ip6_route_add+0x1c/0x140 [ 3904.963016][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3904.963016][ T10] addrconf_add_dev+0xe2/0x170 [ 3904.963016][ T10] inet6_addr_add+0x12f/0xa40 [ 3904.963016][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3904.963016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3904.963016][ T10] netlink_rcv_skb+0x130/0x360 [ 3904.963016][ T10] netlink_unicast+0x449/0x710 [ 3904.963016][ T10] netlink_sendmsg+0x723/0xbe0 [ 3904.963016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3904.963016][ T10] ___sys_sendmsg+0xee/0x170 [ 3904.963016][ T10] __sys_sendmsg+0xcd/0x170 [ 3904.963016][ T10] do_syscall_64+0xc6/0x1e0 [ 3904.963016][ T10] [ 3904.964980][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3904.964980][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3904.964980][ T10] ipv6_find_idev+0x102/0x170 [ 3904.964980][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3904.964980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3904.964980][ T10] netlink_rcv_skb+0x130/0x360 [ 3904.964980][ T10] netlink_unicast+0x449/0x710 [ 3904.964980][ T10] netlink_sendmsg+0x723/0xbe0 [ 3904.964980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3904.964980][ T10] ___sys_sendmsg+0xee/0x170 [ 3904.964980][ T10] __sys_sendmsg+0xcd/0x170 [ 3904.964980][ T10] do_syscall_64+0xc6/0x1e0 [ 3904.964980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3904.964980][ T10] [ 3904.966522][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3904.966522][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3904.966522][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3904.966522][ T10] ipv6_find_idev+0x102/0x170 [ 3904.966522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3904.966522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3904.966522][ T10] netlink_rcv_skb+0x130/0x360 [ 3904.966522][ T10] netlink_unicast+0x449/0x710 [ 3904.966522][ T10] netlink_sendmsg+0x723/0xbe0 [ 3904.966522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3904.966522][ T10] ___sys_sendmsg+0xee/0x170 [ 3904.966522][ T10] __sys_sendmsg+0xcd/0x170 [ 3904.966522][ T10] do_syscall_64+0xc6/0x1e0 [ 3904.966522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3904.966522][ T10] [ 3904.968200][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3904.968440][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3904.968440][ T10] netdev_get_by_index+0x5e/0x80 [ 3904.968440][ T10] fib6_nh_init+0x3d8/0x1580 [ 3904.968440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3904.968440][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3904.968440][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3904.968440][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3904.968440][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3904.968440][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3904.968440][ T10] addrconf_dad_begin+0x310/0x670 [ 3904.968440][ T10] addrconf_dad_work+0x10b/0xab0 [ 3904.968440][ T10] process_one_work+0x84d/0x18a0 [ 3904.968440][ T10] worker_thread+0x587/0xd30 [ 3904.968440][ T10] kthread+0x28a/0x350 [ 3904.968440][ T10] ret_from_fork+0x31/0x70 [ 3904.968440][ T10] ret_from_fork_asm+0x1a/0x30 [ 3904.968440][ T10] [ 3904.970350][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3904.970350][ T10] netdev_get_by_index+0x5e/0x80 [ 3904.970350][ T10] fib6_nh_init+0x3d8/0x1580 [ 3904.970350][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3904.970350][ T10] ip6_route_add+0x1c/0x140 [ 3904.970350][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3904.970350][ T10] inet6_addr_add+0x4f8/0xa40 [ 3904.970350][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3904.970350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3904.970350][ T10] netlink_rcv_skb+0x130/0x360 [ 3904.970350][ T10] netlink_unicast+0x449/0x710 [ 3904.970350][ T10] netlink_sendmsg+0x723/0xbe0 [ 3904.970350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3904.970350][ T10] ___sys_sendmsg+0xee/0x170 [ 3904.970350][ T10] __sys_sendmsg+0xcd/0x170 [ 3904.970350][ T10] do_syscall_64+0xc6/0x1e0 [ 3904.970350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3904.970350][ T10] [ 3904.972527][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3904.972527][ T10] netdev_get_by_index+0x5e/0x80 [ 3904.972527][ T10] fib6_nh_init+0x3d8/0x1580 [ 3904.972527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3904.972527][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3904.972527][ T10] ipv6_add_addr+0x411/0x2000 [ 3904.972527][ T10] inet6_addr_add+0x30e/0xa40 [ 3904.972527][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3904.972527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3904.972527][ T10] netlink_rcv_skb+0x130/0x360 [ 3904.972527][ T10] netlink_unicast+0x449/0x710 [ 3904.972527][ T10] netlink_sendmsg+0x723/0xbe0 [ 3904.972527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3904.972527][ T10] ___sys_sendmsg+0xee/0x170 [ 3904.972527][ T10] __sys_sendmsg+0xcd/0x170 [ 3904.972527][ T10] do_syscall_64+0xc6/0x1e0 [ 3904.972527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3904.972527][ T10] [ 3904.974819][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3904.974819][ T10] netdev_get_by_index+0x5e/0x80 [ 3904.974819][ T10] fib6_nh_init+0x3d8/0x1580 [ 3904.974819][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3904.974819][ T10] ip6_route_add+0x1c/0x140 [ 3904.974819][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3904.974819][ T10] addrconf_add_dev+0xe2/0x170 [ 3904.974819][ T10] inet6_addr_add+0x12f/0xa40 [ 3904.974819][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3904.974819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3904.974819][ T10] netlink_rcv_skb+0x130/0x360 [ 3904.974819][ T10] netlink_unicast+0x449/0x710 [ 3904.974819][ T10] netlink_sendmsg+0x723/0xbe0 [ 3904.974819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3904.974819][ T10] ___sys_sendmsg+0xee/0x170 [ 3904.974819][ T10] __sys_sendmsg+0xcd/0x170 [ 3904.974819][ T10] do_syscall_64+0xc6/0x1e0 [ 3904.974819][ T10] [ 3904.977004][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3904.977004][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3904.977004][ T10] ipv6_find_idev+0x102/0x170 [ 3904.977004][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3904.977004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3904.977004][ T10] netlink_rcv_skb+0x130/0x360 [ 3904.977004][ T10] netlink_unicast+0x449/0x710 [ 3904.977004][ T10] netlink_sendmsg+0x723/0xbe0 [ 3904.977004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3904.977004][ T10] ___sys_sendmsg+0xee/0x170 [ 3904.977004][ T10] __sys_sendmsg+0xcd/0x170 [ 3904.977004][ T10] do_syscall_64+0xc6/0x1e0 [ 3904.977004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3904.977004][ T10] [ 3904.978729][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3904.978729][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3904.978729][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3904.978729][ T10] ipv6_find_idev+0x102/0x170 [ 3904.978729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3904.978729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3904.978729][ T10] netlink_rcv_skb+0x130/0x360 [ 3904.978729][ T10] netlink_unicast+0x449/0x710 [ 3904.978729][ T10] netlink_sendmsg+0x723/0xbe0 [ 3904.978729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3904.978729][ T10] ___sys_sendmsg+0xee/0x170 [ 3904.978729][ T10] __sys_sendmsg+0xcd/0x170 [ 3904.978729][ T10] do_syscall_64+0xc6/0x1e0 [ 3904.978729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3904.978729][ T10] [ 3904.980665][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3904.981427][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3904.981427][ T10] netdev_get_by_index+0x5e/0x80 [ 3904.981427][ T10] fib6_nh_init+0x3d8/0x1580 [ 3904.981427][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3904.981427][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3904.981427][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3904.981427][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3904.981427][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3904.981427][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3904.981427][ T10] addrconf_dad_begin+0x310/0x670 [ 3904.981427][ T10] addrconf_dad_work+0x10b/0xab0 [ 3904.981427][ T10] process_one_work+0x84d/0x18a0 [ 3904.981427][ T10] worker_thread+0x587/0xd30 [ 3904.981427][ T10] kthread+0x28a/0x350 [ 3904.981427][ T10] ret_from_fork+0x31/0x70 [ 3904.981427][ T10] ret_from_fork_asm+0x1a/0x30 [ 3904.981427][ T10] [ 3904.983633][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3904.983633][ T10] netdev_get_by_index+0x5e/0x80 [ 3904.983633][ T10] fib6_nh_init+0x3d8/0x1580 [ 3904.983633][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3904.983633][ T10] ip6_route_add+0x1c/0x140 [ 3904.983633][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3904.983633][ T10] inet6_addr_add+0x4f8/0xa40 [ 3904.983633][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3904.983633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3904.983633][ T10] netlink_rcv_skb+0x130/0x360 [ 3904.983633][ T10] netlink_unicast+0x449/0x710 [ 3904.983633][ T10] netlink_sendmsg+0x723/0xbe0 [ 3904.983633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3904.983633][ T10] ___sys_sendmsg+0xee/0x170 [ 3904.983633][ T10] __sys_sendmsg+0xcd/0x170 [ 3904.983633][ T10] do_syscall_64+0xc6/0x1e0 [ 3904.983633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3904.983633][ T10] [ 3904.985863][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3904.985863][ T10] netdev_get_by_index+0x5e/0x80 [ 3904.985863][ T10] fib6_nh_init+0x3d8/0x1580 [ 3904.985863][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3904.985863][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3904.985863][ T10] ipv6_add_addr+0x411/0x2000 [ 3904.985863][ T10] inet6_addr_add+0x30e/0xa40 [ 3904.985863][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3904.985863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3904.985863][ T10] netlink_rcv_skb+0x130/0x360 [ 3904.985863][ T10] netlink_unicast+0x449/0x710 [ 3904.985863][ T10] netlink_sendmsg+0x723/0xbe0 [ 3904.985863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3904.985863][ T10] ___sys_sendmsg+0xee/0x170 [ 3904.985863][ T10] __sys_sendmsg+0xcd/0x170 [ 3904.985863][ T10] do_syscall_64+0xc6/0x1e0 [ 3904.985863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3904.985863][ T10] [ 3904.988038][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3904.988038][ T10] netdev_get_by_index+0x5e/0x80 [ 3904.988038][ T10] fib6_nh_init+0x3d8/0x1580 [ 3904.988038][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3904.988038][ T10] ip6_route_add+0x1c/0x140 [ 3904.988038][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3904.988038][ T10] addrconf_add_dev+0xe2/0x170 [ 3904.988038][ T10] inet6_addr_add+0x12f/0xa40 [ 3904.988038][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3904.988038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3904.988038][ T10] netlink_rcv_skb+0x130/0x360 [ 3904.988038][ T10] netlink_unicast+0x449/0x710 [ 3904.988038][ T10] netlink_sendmsg+0x723/0xbe0 [ 3904.988038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3904.988038][ T10] ___sys_sendmsg+0xee/0x170 [ 3904.988038][ T10] __sys_sendmsg+0xcd/0x170 [ 3904.988038][ T10] do_syscall_64+0xc6/0x1e0 [ 3904.988038][ T10] [ 3904.990243][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3904.990243][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3904.990243][ T10] ipv6_find_idev+0x102/0x170 [ 3904.990243][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3904.990243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3904.990243][ T10] netlink_rcv_skb+0x130/0x360 [ 3904.990243][ T10] netlink_unicast+0x449/0x710 [ 3904.990243][ T10] netlink_sendmsg+0x723/0xbe0 [ 3904.990243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3904.990243][ T10] ___sys_sendmsg+0xee/0x170 [ 3904.990243][ T10] __sys_sendmsg+0xcd/0x170 [ 3904.990243][ T10] do_syscall_64+0xc6/0x1e0 [ 3904.990243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3904.990243][ T10] [ 3904.991975][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3904.991975][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3904.991975][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3904.991975][ T10] ipv6_find_idev+0x102/0x170 [ 3904.991975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3904.991975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3904.991975][ T10] netlink_rcv_skb+0x130/0x360 [ 3904.991975][ T10] netlink_unicast+0x449/0x710 [ 3904.991975][ T10] netlink_sendmsg+0x723/0xbe0 [ 3904.991975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3904.991975][ T10] ___sys_sendmsg+0xee/0x170 [ 3904.991975][ T10] __sys_sendmsg+0xcd/0x170 [ 3904.991975][ T10] do_syscall_64+0xc6/0x1e0 [ 3904.991975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3904.991975][ T10] [ 3912.929062][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3912.929549][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3912.929549][ T1167] dst_init+0x84/0x4a0 [ 3912.929549][ T1167] dst_alloc+0x97/0x150 [ 3912.929549][ T1167] ip6_dst_alloc+0x23/0x90 [ 3912.929549][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3912.929549][ T1167] ip6_pol_route+0x56f/0x840 [ 3912.929549][ T1167] fib6_rule_lookup+0x334/0x630 [ 3912.929549][ T1167] ip6_route_output_flags+0x259/0x480 [ 3912.929549][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3912.929549][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3912.929549][ T1167] netlink_rcv_skb+0x130/0x360 [ 3912.929549][ T1167] netlink_unicast+0x449/0x710 [ 3912.929549][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3912.929549][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3912.929549][ T1167] ___sys_sendmsg+0xee/0x170 [ 3912.929549][ T1167] __sys_sendmsg+0xcd/0x170 [ 3912.929549][ T1167] do_syscall_64+0xc6/0x1e0 [ 3912.929549][ T1167] [ 3912.931737][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3912.931737][ T1167] netdev_get_by_index+0x5e/0x80 [ 3912.931737][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3912.931737][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3912.931737][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3912.931737][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3912.931737][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3912.931737][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3912.931737][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3912.931737][ T1167] addrconf_dad_begin+0x310/0x670 [ 3912.931737][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3912.931737][ T1167] process_one_work+0x84d/0x18a0 [ 3912.931737][ T1167] worker_thread+0x587/0xd30 [ 3912.931737][ T1167] kthread+0x28a/0x350 [ 3912.931737][ T1167] ret_from_fork+0x31/0x70 [ 3912.931737][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3912.931737][ T1167] [ 3912.933883][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3912.933883][ T1167] netdev_get_by_index+0x5e/0x80 [ 3912.933883][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3912.933883][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3912.933883][ T1167] ip6_route_add+0x1c/0x140 [ 3912.933883][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3912.933883][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3912.933883][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3912.933883][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3912.933883][ T1167] netlink_rcv_skb+0x130/0x360 [ 3912.933883][ T1167] netlink_unicast+0x449/0x710 [ 3912.933883][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3912.933883][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3912.933883][ T1167] ___sys_sendmsg+0xee/0x170 [ 3912.933883][ T1167] __sys_sendmsg+0xcd/0x170 [ 3912.933883][ T1167] do_syscall_64+0xc6/0x1e0 [ 3912.933883][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3912.933883][ T1167] [ 3912.936118][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3912.936118][ T1167] netdev_get_by_index+0x5e/0x80 [ 3912.936118][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3912.936118][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3912.936118][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3912.936118][ T1167] ipv6_add_addr+0x411/0x2000 [ 3912.936118][ T1167] inet6_addr_add+0x30e/0xa40 [ 3912.936118][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3912.936118][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3912.936118][ T1167] netlink_rcv_skb+0x130/0x360 [ 3912.936118][ T1167] netlink_unicast+0x449/0x710 [ 3912.936118][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3912.936118][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3912.936118][ T1167] ___sys_sendmsg+0xee/0x170 [ 3912.936118][ T1167] __sys_sendmsg+0xcd/0x170 [ 3912.936118][ T1167] do_syscall_64+0xc6/0x1e0 [ 3912.936118][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3912.936118][ T1167] [ 3912.938734][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3912.938734][ T1167] netdev_get_by_index+0x5e/0x80 [ 3912.938734][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3912.938734][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3912.938734][ T1167] ip6_route_add+0x1c/0x140 [ 3912.938734][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3912.938734][ T1167] addrconf_add_dev+0xe2/0x170 [ 3912.938734][ T1167] inet6_addr_add+0x12f/0xa40 [ 3912.938734][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3912.938734][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3912.938734][ T1167] netlink_rcv_skb+0x130/0x360 [ 3912.938734][ T1167] netlink_unicast+0x449/0x710 [ 3912.938734][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3912.938734][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3912.938734][ T1167] ___sys_sendmsg+0xee/0x170 [ 3912.938734][ T1167] __sys_sendmsg+0xcd/0x170 [ 3912.938734][ T1167] do_syscall_64+0xc6/0x1e0 [ 3912.938734][ T1167] [ 3912.940931][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3912.940931][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3912.940931][ T1167] ipv6_find_idev+0x102/0x170 [ 3912.940931][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3912.940931][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3912.940931][ T1167] netlink_rcv_skb+0x130/0x360 [ 3912.940931][ T1167] netlink_unicast+0x449/0x710 [ 3912.940931][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3912.940931][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3912.940931][ T1167] ___sys_sendmsg+0xee/0x170 [ 3912.940931][ T1167] __sys_sendmsg+0xcd/0x170 [ 3912.940931][ T1167] do_syscall_64+0xc6/0x1e0 [ 3912.940931][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3912.940931][ T1167] [ 3912.942759][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3912.942759][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3912.942759][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3912.942759][ T1167] ipv6_find_idev+0x102/0x170 [ 3912.942759][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3912.942759][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3912.942759][ T1167] netlink_rcv_skb+0x130/0x360 [ 3912.942759][ T1167] netlink_unicast+0x449/0x710 [ 3912.942759][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3912.942759][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3912.942759][ T1167] ___sys_sendmsg+0xee/0x170 [ 3912.942759][ T1167] __sys_sendmsg+0xcd/0x170 [ 3912.942759][ T1167] do_syscall_64+0xc6/0x1e0 [ 3912.942759][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3912.942759][ T1167] [ 3915.249181][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3915.249560][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3915.249560][ T10] netdev_get_by_index+0x5e/0x80 [ 3915.249560][ T10] fib6_nh_init+0x3d8/0x1580 [ 3915.249560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3915.249560][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3915.249560][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3915.249560][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3915.249560][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3915.249560][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3915.249560][ T10] addrconf_dad_begin+0x310/0x670 [ 3915.249560][ T10] addrconf_dad_work+0x10b/0xab0 [ 3915.249560][ T10] process_one_work+0x84d/0x18a0 [ 3915.249560][ T10] worker_thread+0x587/0xd30 [ 3915.249560][ T10] kthread+0x28a/0x350 [ 3915.249560][ T10] ret_from_fork+0x31/0x70 [ 3915.249560][ T10] ret_from_fork_asm+0x1a/0x30 [ 3915.249560][ T10] [ 3915.251605][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3915.251605][ T10] netdev_get_by_index+0x5e/0x80 [ 3915.251605][ T10] fib6_nh_init+0x3d8/0x1580 [ 3915.251605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3915.251605][ T10] ip6_route_add+0x1c/0x140 [ 3915.251605][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3915.251605][ T10] inet6_addr_add+0x4f8/0xa40 [ 3915.251605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3915.251605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.251605][ T10] netlink_rcv_skb+0x130/0x360 [ 3915.251605][ T10] netlink_unicast+0x449/0x710 [ 3915.251605][ T10] netlink_sendmsg+0x723/0xbe0 [ 3915.251605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3915.251605][ T10] ___sys_sendmsg+0xee/0x170 [ 3915.251605][ T10] __sys_sendmsg+0xcd/0x170 [ 3915.251605][ T10] do_syscall_64+0xc6/0x1e0 [ 3915.251605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.251605][ T10] [ 3915.253645][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3915.253645][ T10] netdev_get_by_index+0x5e/0x80 [ 3915.253645][ T10] fib6_nh_init+0x3d8/0x1580 [ 3915.253645][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3915.253645][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3915.253645][ T10] ipv6_add_addr+0x411/0x2000 [ 3915.253645][ T10] inet6_addr_add+0x30e/0xa40 [ 3915.253645][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3915.253645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.253645][ T10] netlink_rcv_skb+0x130/0x360 [ 3915.253645][ T10] netlink_unicast+0x449/0x710 [ 3915.253645][ T10] netlink_sendmsg+0x723/0xbe0 [ 3915.253645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3915.253645][ T10] ___sys_sendmsg+0xee/0x170 [ 3915.253645][ T10] __sys_sendmsg+0xcd/0x170 [ 3915.253645][ T10] do_syscall_64+0xc6/0x1e0 [ 3915.253645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.253645][ T10] [ 3915.255664][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3915.255664][ T10] netdev_get_by_index+0x5e/0x80 [ 3915.255664][ T10] fib6_nh_init+0x3d8/0x1580 [ 3915.255664][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3915.255664][ T10] ip6_route_add+0x1c/0x140 [ 3915.255664][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3915.255664][ T10] addrconf_add_dev+0xe2/0x170 [ 3915.255664][ T10] inet6_addr_add+0x12f/0xa40 [ 3915.255664][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3915.255664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.255664][ T10] netlink_rcv_skb+0x130/0x360 [ 3915.255664][ T10] netlink_unicast+0x449/0x710 [ 3915.255664][ T10] netlink_sendmsg+0x723/0xbe0 [ 3915.255664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3915.255664][ T10] ___sys_sendmsg+0xee/0x170 [ 3915.255664][ T10] __sys_sendmsg+0xcd/0x170 [ 3915.255664][ T10] do_syscall_64+0xc6/0x1e0 [ 3915.255664][ T10] [ 3915.257637][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3915.257637][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3915.257637][ T10] ipv6_find_idev+0x102/0x170 [ 3915.257637][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3915.257637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.257637][ T10] netlink_rcv_skb+0x130/0x360 [ 3915.257637][ T10] netlink_unicast+0x449/0x710 [ 3915.257637][ T10] netlink_sendmsg+0x723/0xbe0 [ 3915.257637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3915.257637][ T10] ___sys_sendmsg+0xee/0x170 [ 3915.257637][ T10] __sys_sendmsg+0xcd/0x170 [ 3915.257637][ T10] do_syscall_64+0xc6/0x1e0 [ 3915.257637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.257637][ T10] [ 3915.259190][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3915.259190][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3915.259190][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3915.259190][ T10] ipv6_find_idev+0x102/0x170 [ 3915.259190][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3915.259190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.259190][ T10] netlink_rcv_skb+0x130/0x360 [ 3915.259190][ T10] netlink_unicast+0x449/0x710 [ 3915.259190][ T10] netlink_sendmsg+0x723/0xbe0 [ 3915.259190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3915.259190][ T10] ___sys_sendmsg+0xee/0x170 [ 3915.259190][ T10] __sys_sendmsg+0xcd/0x170 [ 3915.259190][ T10] do_syscall_64+0xc6/0x1e0 [ 3915.259190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.259190][ T10] [ 3915.260916][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3915.261225][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3915.261225][ T10] netdev_get_by_index+0x5e/0x80 [ 3915.261225][ T10] fib6_nh_init+0x3d8/0x1580 [ 3915.261225][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3915.261225][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3915.261225][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3915.261225][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3915.261225][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3915.261225][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3915.261225][ T10] addrconf_dad_begin+0x310/0x670 [ 3915.261225][ T10] addrconf_dad_work+0x10b/0xab0 [ 3915.261225][ T10] process_one_work+0x84d/0x18a0 [ 3915.261225][ T10] worker_thread+0x587/0xd30 [ 3915.261225][ T10] kthread+0x28a/0x350 [ 3915.261225][ T10] ret_from_fork+0x31/0x70 [ 3915.261225][ T10] ret_from_fork_asm+0x1a/0x30 [ 3915.261225][ T10] [ 3915.263142][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3915.263142][ T10] netdev_get_by_index+0x5e/0x80 [ 3915.263142][ T10] fib6_nh_init+0x3d8/0x1580 [ 3915.263142][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3915.263142][ T10] ip6_route_add+0x1c/0x140 [ 3915.263142][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3915.263142][ T10] inet6_addr_add+0x4f8/0xa40 [ 3915.263142][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3915.263142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.263142][ T10] netlink_rcv_skb+0x130/0x360 [ 3915.263142][ T10] netlink_unicast+0x449/0x710 [ 3915.263142][ T10] netlink_sendmsg+0x723/0xbe0 [ 3915.263142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3915.263142][ T10] ___sys_sendmsg+0xee/0x170 [ 3915.263142][ T10] __sys_sendmsg+0xcd/0x170 [ 3915.263142][ T10] do_syscall_64+0xc6/0x1e0 [ 3915.263142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.263142][ T10] [ 3915.265291][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3915.265291][ T10] netdev_get_by_index+0x5e/0x80 [ 3915.265291][ T10] fib6_nh_init+0x3d8/0x1580 [ 3915.265291][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3915.265291][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3915.265291][ T10] ipv6_add_addr+0x411/0x2000 [ 3915.265291][ T10] inet6_addr_add+0x30e/0xa40 [ 3915.265291][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3915.265291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.265291][ T10] netlink_rcv_skb+0x130/0x360 [ 3915.265291][ T10] netlink_unicast+0x449/0x710 [ 3915.265291][ T10] netlink_sendmsg+0x723/0xbe0 [ 3915.265291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3915.265291][ T10] ___sys_sendmsg+0xee/0x170 [ 3915.265291][ T10] __sys_sendmsg+0xcd/0x170 [ 3915.265291][ T10] do_syscall_64+0xc6/0x1e0 [ 3915.265291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.265291][ T10] [ 3915.267299][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3915.267299][ T10] netdev_get_by_index+0x5e/0x80 [ 3915.267299][ T10] fib6_nh_init+0x3d8/0x1580 [ 3915.267299][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3915.267299][ T10] ip6_route_add+0x1c/0x140 [ 3915.267299][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3915.267299][ T10] addrconf_add_dev+0xe2/0x170 [ 3915.267299][ T10] inet6_addr_add+0x12f/0xa40 [ 3915.267299][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3915.267299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.267299][ T10] netlink_rcv_skb+0x130/0x360 [ 3915.267299][ T10] netlink_unicast+0x449/0x710 [ 3915.267299][ T10] netlink_sendmsg+0x723/0xbe0 [ 3915.267299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3915.267299][ T10] ___sys_sendmsg+0xee/0x170 [ 3915.267299][ T10] __sys_sendmsg+0xcd/0x170 [ 3915.267299][ T10] do_syscall_64+0xc6/0x1e0 [ 3915.267299][ T10] [ 3915.269296][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3915.269296][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3915.269296][ T10] ipv6_find_idev+0x102/0x170 [ 3915.269296][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3915.269296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.269296][ T10] netlink_rcv_skb+0x130/0x360 [ 3915.269296][ T10] netlink_unicast+0x449/0x710 [ 3915.269296][ T10] netlink_sendmsg+0x723/0xbe0 [ 3915.269296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3915.269296][ T10] ___sys_sendmsg+0xee/0x170 [ 3915.269296][ T10] __sys_sendmsg+0xcd/0x170 [ 3915.269296][ T10] do_syscall_64+0xc6/0x1e0 [ 3915.269296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.269296][ T10] [ 3915.270850][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3915.270850][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3915.270850][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3915.270850][ T10] ipv6_find_idev+0x102/0x170 [ 3915.270850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3915.270850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.270850][ T10] netlink_rcv_skb+0x130/0x360 [ 3915.270850][ T10] netlink_unicast+0x449/0x710 [ 3915.270850][ T10] netlink_sendmsg+0x723/0xbe0 [ 3915.270850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3915.270850][ T10] ___sys_sendmsg+0xee/0x170 [ 3915.270850][ T10] __sys_sendmsg+0xcd/0x170 [ 3915.270850][ T10] do_syscall_64+0xc6/0x1e0 [ 3915.270850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.270850][ T10] [ 3915.272560][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3915.272813][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3915.272813][ T10] netdev_get_by_index+0x5e/0x80 [ 3915.272813][ T10] fib6_nh_init+0x3d8/0x1580 [ 3915.272813][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3915.272813][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3915.272813][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3915.272813][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3915.272813][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3915.272813][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3915.272813][ T10] addrconf_dad_begin+0x310/0x670 [ 3915.272813][ T10] addrconf_dad_work+0x10b/0xab0 [ 3915.272813][ T10] process_one_work+0x84d/0x18a0 [ 3915.272813][ T10] worker_thread+0x587/0xd30 [ 3915.272813][ T10] kthread+0x28a/0x350 [ 3915.272813][ T10] ret_from_fork+0x31/0x70 [ 3915.272813][ T10] ret_from_fork_asm+0x1a/0x30 [ 3915.272813][ T10] [ 3915.274731][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3915.274731][ T10] netdev_get_by_index+0x5e/0x80 [ 3915.274731][ T10] fib6_nh_init+0x3d8/0x1580 [ 3915.274731][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3915.274731][ T10] ip6_route_add+0x1c/0x140 [ 3915.274731][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3915.274731][ T10] inet6_addr_add+0x4f8/0xa40 [ 3915.274731][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3915.274731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.274731][ T10] netlink_rcv_skb+0x130/0x360 [ 3915.274731][ T10] netlink_unicast+0x449/0x710 [ 3915.274731][ T10] netlink_sendmsg+0x723/0xbe0 [ 3915.274731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3915.274731][ T10] ___sys_sendmsg+0xee/0x170 [ 3915.274731][ T10] __sys_sendmsg+0xcd/0x170 [ 3915.274731][ T10] do_syscall_64+0xc6/0x1e0 [ 3915.274731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.274731][ T10] [ 3915.276869][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3915.276869][ T10] netdev_get_by_index+0x5e/0x80 [ 3915.276869][ T10] fib6_nh_init+0x3d8/0x1580 [ 3915.276869][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3915.276869][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3915.276869][ T10] ipv6_add_addr+0x411/0x2000 [ 3915.276869][ T10] inet6_addr_add+0x30e/0xa40 [ 3915.276869][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3915.276869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.276869][ T10] netlink_rcv_skb+0x130/0x360 [ 3915.276869][ T10] netlink_unicast+0x449/0x710 [ 3915.276869][ T10] netlink_sendmsg+0x723/0xbe0 [ 3915.276869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3915.276869][ T10] ___sys_sendmsg+0xee/0x170 [ 3915.276869][ T10] __sys_sendmsg+0xcd/0x170 [ 3915.276869][ T10] do_syscall_64+0xc6/0x1e0 [ 3915.276869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.276869][ T10] [ 3915.279008][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3915.279008][ T10] netdev_get_by_index+0x5e/0x80 [ 3915.279008][ T10] fib6_nh_init+0x3d8/0x1580 [ 3915.279008][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3915.279008][ T10] ip6_route_add+0x1c/0x140 [ 3915.279008][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3915.279008][ T10] addrconf_add_dev+0xe2/0x170 [ 3915.279008][ T10] inet6_addr_add+0x12f/0xa40 [ 3915.279008][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3915.279008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.279008][ T10] netlink_rcv_skb+0x130/0x360 [ 3915.279008][ T10] netlink_unicast+0x449/0x710 [ 3915.279008][ T10] netlink_sendmsg+0x723/0xbe0 [ 3915.279008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3915.279008][ T10] ___sys_sendmsg+0xee/0x170 [ 3915.279008][ T10] __sys_sendmsg+0xcd/0x170 [ 3915.279008][ T10] do_syscall_64+0xc6/0x1e0 [ 3915.279008][ T10] [ 3915.281118][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3915.281118][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3915.281118][ T10] ipv6_find_idev+0x102/0x170 [ 3915.281118][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3915.281118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.281118][ T10] netlink_rcv_skb+0x130/0x360 [ 3915.281118][ T10] netlink_unicast+0x449/0x710 [ 3915.281118][ T10] netlink_sendmsg+0x723/0xbe0 [ 3915.281118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3915.281118][ T10] ___sys_sendmsg+0xee/0x170 [ 3915.281118][ T10] __sys_sendmsg+0xcd/0x170 [ 3915.281118][ T10] do_syscall_64+0xc6/0x1e0 [ 3915.281118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.281118][ T10] [ 3915.282800][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3915.282800][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3915.282800][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3915.282800][ T10] ipv6_find_idev+0x102/0x170 [ 3915.282800][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3915.282800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.282800][ T10] netlink_rcv_skb+0x130/0x360 [ 3915.282800][ T10] netlink_unicast+0x449/0x710 [ 3915.282800][ T10] netlink_sendmsg+0x723/0xbe0 [ 3915.282800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3915.282800][ T10] ___sys_sendmsg+0xee/0x170 [ 3915.282800][ T10] __sys_sendmsg+0xcd/0x170 [ 3915.282800][ T10] do_syscall_64+0xc6/0x1e0 [ 3915.282800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.282800][ T10] [ 3915.284567][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3915.284804][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3915.284804][ T10] netdev_get_by_index+0x5e/0x80 [ 3915.284804][ T10] fib6_nh_init+0x3d8/0x1580 [ 3915.284804][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3915.284804][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3915.284804][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3915.284804][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3915.284804][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3915.284804][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3915.284804][ T10] addrconf_dad_begin+0x310/0x670 [ 3915.284804][ T10] addrconf_dad_work+0x10b/0xab0 [ 3915.284804][ T10] process_one_work+0x84d/0x18a0 [ 3915.284804][ T10] worker_thread+0x587/0xd30 [ 3915.284804][ T10] kthread+0x28a/0x350 [ 3915.284804][ T10] ret_from_fork+0x31/0x70 [ 3915.284804][ T10] ret_from_fork_asm+0x1a/0x30 [ 3915.284804][ T10] [ 3915.287031][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3915.287031][ T10] netdev_get_by_index+0x5e/0x80 [ 3915.287031][ T10] fib6_nh_init+0x3d8/0x1580 [ 3915.287031][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3915.287031][ T10] ip6_route_add+0x1c/0x140 [ 3915.287031][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3915.287031][ T10] inet6_addr_add+0x4f8/0xa40 [ 3915.287031][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3915.287031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.287031][ T10] netlink_rcv_skb+0x130/0x360 [ 3915.287031][ T10] netlink_unicast+0x449/0x710 [ 3915.287031][ T10] netlink_sendmsg+0x723/0xbe0 [ 3915.287031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3915.287031][ T10] ___sys_sendmsg+0xee/0x170 [ 3915.287031][ T10] __sys_sendmsg+0xcd/0x170 [ 3915.287031][ T10] do_syscall_64+0xc6/0x1e0 [ 3915.287031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.287031][ T10] [ 3915.289276][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3915.289276][ T10] netdev_get_by_index+0x5e/0x80 [ 3915.289276][ T10] fib6_nh_init+0x3d8/0x1580 [ 3915.289276][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3915.289276][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3915.289276][ T10] ipv6_add_addr+0x411/0x2000 [ 3915.289276][ T10] inet6_addr_add+0x30e/0xa40 [ 3915.289276][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3915.289276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.289276][ T10] netlink_rcv_skb+0x130/0x360 [ 3915.289276][ T10] netlink_unicast+0x449/0x710 [ 3915.289276][ T10] netlink_sendmsg+0x723/0xbe0 [ 3915.289276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3915.289276][ T10] ___sys_sendmsg+0xee/0x170 [ 3915.289276][ T10] __sys_sendmsg+0xcd/0x170 [ 3915.289276][ T10] do_syscall_64+0xc6/0x1e0 [ 3915.289276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.289276][ T10] [ 3915.291926][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3915.291926][ T10] netdev_get_by_index+0x5e/0x80 [ 3915.291926][ T10] fib6_nh_init+0x3d8/0x1580 [ 3915.291926][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3915.291926][ T10] ip6_route_add+0x1c/0x140 [ 3915.291926][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3915.291926][ T10] addrconf_add_dev+0xe2/0x170 [ 3915.291926][ T10] inet6_addr_add+0x12f/0xa40 [ 3915.291926][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3915.291926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.291926][ T10] netlink_rcv_skb+0x130/0x360 [ 3915.291926][ T10] netlink_unicast+0x449/0x710 [ 3915.291926][ T10] netlink_sendmsg+0x723/0xbe0 [ 3915.291926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3915.291926][ T10] ___sys_sendmsg+0xee/0x170 [ 3915.291926][ T10] __sys_sendmsg+0xcd/0x170 [ 3915.291926][ T10] do_syscall_64+0xc6/0x1e0 [ 3915.291926][ T10] [ 3915.294097][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3915.294097][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3915.294097][ T10] ipv6_find_idev+0x102/0x170 [ 3915.294097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3915.294097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.294097][ T10] netlink_rcv_skb+0x130/0x360 [ 3915.294097][ T10] netlink_unicast+0x449/0x710 [ 3915.294097][ T10] netlink_sendmsg+0x723/0xbe0 [ 3915.294097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3915.294097][ T10] ___sys_sendmsg+0xee/0x170 [ 3915.294097][ T10] __sys_sendmsg+0xcd/0x170 [ 3915.294097][ T10] do_syscall_64+0xc6/0x1e0 [ 3915.294097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.294097][ T10] [ 3915.295826][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3915.295826][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3915.295826][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3915.295826][ T10] ipv6_find_idev+0x102/0x170 [ 3915.295826][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3915.295826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.295826][ T10] netlink_rcv_skb+0x130/0x360 [ 3915.295826][ T10] netlink_unicast+0x449/0x710 [ 3915.295826][ T10] netlink_sendmsg+0x723/0xbe0 [ 3915.295826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3915.295826][ T10] ___sys_sendmsg+0xee/0x170 [ 3915.295826][ T10] __sys_sendmsg+0xcd/0x170 [ 3915.295826][ T10] do_syscall_64+0xc6/0x1e0 [ 3915.295826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.295826][ T10] [ 3923.113158][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3923.113648][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3923.113648][ T1167] dst_init+0x84/0x4a0 [ 3923.113648][ T1167] dst_alloc+0x97/0x150 [ 3923.113648][ T1167] ip6_dst_alloc+0x23/0x90 [ 3923.113648][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3923.113648][ T1167] ip6_pol_route+0x56f/0x840 [ 3923.113648][ T1167] fib6_rule_lookup+0x334/0x630 [ 3923.113648][ T1167] ip6_route_output_flags+0x259/0x480 [ 3923.113648][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3923.113648][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3923.113648][ T1167] netlink_rcv_skb+0x130/0x360 [ 3923.113648][ T1167] netlink_unicast+0x449/0x710 [ 3923.113648][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3923.113648][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3923.113648][ T1167] ___sys_sendmsg+0xee/0x170 [ 3923.113648][ T1167] __sys_sendmsg+0xcd/0x170 [ 3923.113648][ T1167] do_syscall_64+0xc6/0x1e0 [ 3923.113648][ T1167] [ 3923.115840][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3923.115840][ T1167] netdev_get_by_index+0x5e/0x80 [ 3923.115840][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3923.115840][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3923.115840][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3923.115840][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3923.115840][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3923.115840][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3923.115840][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3923.115840][ T1167] addrconf_dad_begin+0x310/0x670 [ 3923.115840][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3923.115840][ T1167] process_one_work+0x84d/0x18a0 [ 3923.115840][ T1167] worker_thread+0x587/0xd30 [ 3923.115840][ T1167] kthread+0x28a/0x350 [ 3923.115840][ T1167] ret_from_fork+0x31/0x70 [ 3923.115840][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3923.115840][ T1167] [ 3923.117985][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3923.117985][ T1167] netdev_get_by_index+0x5e/0x80 [ 3923.117985][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3923.117985][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3923.117985][ T1167] ip6_route_add+0x1c/0x140 [ 3923.117985][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3923.117985][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3923.117985][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3923.117985][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3923.117985][ T1167] netlink_rcv_skb+0x130/0x360 [ 3923.117985][ T1167] netlink_unicast+0x449/0x710 [ 3923.117985][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3923.117985][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3923.117985][ T1167] ___sys_sendmsg+0xee/0x170 [ 3923.117985][ T1167] __sys_sendmsg+0xcd/0x170 [ 3923.117985][ T1167] do_syscall_64+0xc6/0x1e0 [ 3923.117985][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3923.117985][ T1167] [ 3923.120232][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3923.120232][ T1167] netdev_get_by_index+0x5e/0x80 [ 3923.120232][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3923.120232][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3923.120232][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3923.120232][ T1167] ipv6_add_addr+0x411/0x2000 [ 3923.120232][ T1167] inet6_addr_add+0x30e/0xa40 [ 3923.120232][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3923.120232][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3923.120232][ T1167] netlink_rcv_skb+0x130/0x360 [ 3923.120232][ T1167] netlink_unicast+0x449/0x710 [ 3923.120232][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3923.120232][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3923.120232][ T1167] ___sys_sendmsg+0xee/0x170 [ 3923.120232][ T1167] __sys_sendmsg+0xcd/0x170 [ 3923.120232][ T1167] do_syscall_64+0xc6/0x1e0 [ 3923.120232][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3923.120232][ T1167] [ 3923.122465][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3923.122465][ T1167] netdev_get_by_index+0x5e/0x80 [ 3923.122465][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3923.122465][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3923.122465][ T1167] ip6_route_add+0x1c/0x140 [ 3923.122465][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3923.122465][ T1167] addrconf_add_dev+0xe2/0x170 [ 3923.122465][ T1167] inet6_addr_add+0x12f/0xa40 [ 3923.122465][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3923.122465][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3923.122465][ T1167] netlink_rcv_skb+0x130/0x360 [ 3923.122465][ T1167] netlink_unicast+0x449/0x710 [ 3923.122465][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3923.122465][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3923.122465][ T1167] ___sys_sendmsg+0xee/0x170 [ 3923.122465][ T1167] __sys_sendmsg+0xcd/0x170 [ 3923.122465][ T1167] do_syscall_64+0xc6/0x1e0 [ 3923.122465][ T1167] [ 3923.124660][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3923.124660][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3923.124660][ T1167] ipv6_find_idev+0x102/0x170 [ 3923.124660][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3923.124660][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3923.124660][ T1167] netlink_rcv_skb+0x130/0x360 [ 3923.124660][ T1167] netlink_unicast+0x449/0x710 [ 3923.124660][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3923.124660][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3923.124660][ T1167] ___sys_sendmsg+0xee/0x170 [ 3923.124660][ T1167] __sys_sendmsg+0xcd/0x170 [ 3923.124660][ T1167] do_syscall_64+0xc6/0x1e0 [ 3923.124660][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3923.124660][ T1167] [ 3923.126383][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3923.126383][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3923.126383][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3923.126383][ T1167] ipv6_find_idev+0x102/0x170 [ 3923.126383][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3923.126383][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3923.126383][ T1167] netlink_rcv_skb+0x130/0x360 [ 3923.126383][ T1167] netlink_unicast+0x449/0x710 [ 3923.126383][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3923.126383][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3923.126383][ T1167] ___sys_sendmsg+0xee/0x170 [ 3923.126383][ T1167] __sys_sendmsg+0xcd/0x170 [ 3923.126383][ T1167] do_syscall_64+0xc6/0x1e0 [ 3923.126383][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3923.126383][ T1167] [ 3925.393150][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3925.393561][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3925.393561][ T10] netdev_get_by_index+0x5e/0x80 [ 3925.393561][ T10] fib6_nh_init+0x3d8/0x1580 [ 3925.393561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3925.393561][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3925.393561][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3925.393561][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3925.393561][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3925.393561][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3925.393561][ T10] addrconf_dad_begin+0x310/0x670 [ 3925.393561][ T10] addrconf_dad_work+0x10b/0xab0 [ 3925.393561][ T10] process_one_work+0x84d/0x18a0 [ 3925.393561][ T10] worker_thread+0x587/0xd30 [ 3925.393561][ T10] kthread+0x28a/0x350 [ 3925.393561][ T10] ret_from_fork+0x31/0x70 [ 3925.393561][ T10] ret_from_fork_asm+0x1a/0x30 [ 3925.393561][ T10] [ 3925.395512][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3925.395512][ T10] netdev_get_by_index+0x5e/0x80 [ 3925.395512][ T10] fib6_nh_init+0x3d8/0x1580 [ 3925.395512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3925.395512][ T10] ip6_route_add+0x1c/0x140 [ 3925.395512][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3925.395512][ T10] inet6_addr_add+0x4f8/0xa40 [ 3925.395512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3925.395512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.395512][ T10] netlink_rcv_skb+0x130/0x360 [ 3925.395512][ T10] netlink_unicast+0x449/0x710 [ 3925.395512][ T10] netlink_sendmsg+0x723/0xbe0 [ 3925.395512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3925.395512][ T10] ___sys_sendmsg+0xee/0x170 [ 3925.395512][ T10] __sys_sendmsg+0xcd/0x170 [ 3925.395512][ T10] do_syscall_64+0xc6/0x1e0 [ 3925.395512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.395512][ T10] [ 3925.397497][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3925.397497][ T10] netdev_get_by_index+0x5e/0x80 [ 3925.397497][ T10] fib6_nh_init+0x3d8/0x1580 [ 3925.397497][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3925.397497][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3925.397497][ T10] ipv6_add_addr+0x411/0x2000 [ 3925.397497][ T10] inet6_addr_add+0x30e/0xa40 [ 3925.397497][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3925.397497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.397497][ T10] netlink_rcv_skb+0x130/0x360 [ 3925.397497][ T10] netlink_unicast+0x449/0x710 [ 3925.397497][ T10] netlink_sendmsg+0x723/0xbe0 [ 3925.397497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3925.397497][ T10] ___sys_sendmsg+0xee/0x170 [ 3925.397497][ T10] __sys_sendmsg+0xcd/0x170 [ 3925.397497][ T10] do_syscall_64+0xc6/0x1e0 [ 3925.397497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.397497][ T10] [ 3925.399491][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3925.399491][ T10] netdev_get_by_index+0x5e/0x80 [ 3925.399491][ T10] fib6_nh_init+0x3d8/0x1580 [ 3925.399491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3925.399491][ T10] ip6_route_add+0x1c/0x140 [ 3925.399491][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3925.399491][ T10] addrconf_add_dev+0xe2/0x170 [ 3925.399491][ T10] inet6_addr_add+0x12f/0xa40 [ 3925.399491][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3925.399491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.399491][ T10] netlink_rcv_skb+0x130/0x360 [ 3925.399491][ T10] netlink_unicast+0x449/0x710 [ 3925.399491][ T10] netlink_sendmsg+0x723/0xbe0 [ 3925.399491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3925.399491][ T10] ___sys_sendmsg+0xee/0x170 [ 3925.399491][ T10] __sys_sendmsg+0xcd/0x170 [ 3925.399491][ T10] do_syscall_64+0xc6/0x1e0 [ 3925.399491][ T10] [ 3925.401438][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3925.401438][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3925.401438][ T10] ipv6_find_idev+0x102/0x170 [ 3925.401438][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3925.401438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.401438][ T10] netlink_rcv_skb+0x130/0x360 [ 3925.401438][ T10] netlink_unicast+0x449/0x710 [ 3925.401438][ T10] netlink_sendmsg+0x723/0xbe0 [ 3925.401438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3925.401438][ T10] ___sys_sendmsg+0xee/0x170 [ 3925.401438][ T10] __sys_sendmsg+0xcd/0x170 [ 3925.401438][ T10] do_syscall_64+0xc6/0x1e0 [ 3925.401438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.401438][ T10] [ 3925.402965][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3925.402965][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3925.402965][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3925.402965][ T10] ipv6_find_idev+0x102/0x170 [ 3925.402965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3925.402965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.402965][ T10] netlink_rcv_skb+0x130/0x360 [ 3925.402965][ T10] netlink_unicast+0x449/0x710 [ 3925.402965][ T10] netlink_sendmsg+0x723/0xbe0 [ 3925.402965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3925.402965][ T10] ___sys_sendmsg+0xee/0x170 [ 3925.402965][ T10] __sys_sendmsg+0xcd/0x170 [ 3925.402965][ T10] do_syscall_64+0xc6/0x1e0 [ 3925.402965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.402965][ T10] [ 3925.404636][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3925.404880][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3925.404880][ T10] netdev_get_by_index+0x5e/0x80 [ 3925.404880][ T10] fib6_nh_init+0x3d8/0x1580 [ 3925.404880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3925.404880][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3925.404880][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3925.404880][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3925.404880][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3925.404880][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3925.404880][ T10] addrconf_dad_begin+0x310/0x670 [ 3925.404880][ T10] addrconf_dad_work+0x10b/0xab0 [ 3925.404880][ T10] process_one_work+0x84d/0x18a0 [ 3925.404880][ T10] worker_thread+0x587/0xd30 [ 3925.404880][ T10] kthread+0x28a/0x350 [ 3925.404880][ T10] ret_from_fork+0x31/0x70 [ 3925.404880][ T10] ret_from_fork_asm+0x1a/0x30 [ 3925.404880][ T10] [ 3925.406820][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3925.406820][ T10] netdev_get_by_index+0x5e/0x80 [ 3925.406820][ T10] fib6_nh_init+0x3d8/0x1580 [ 3925.406820][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3925.406820][ T10] ip6_route_add+0x1c/0x140 [ 3925.406820][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3925.406820][ T10] inet6_addr_add+0x4f8/0xa40 [ 3925.406820][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3925.406820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.406820][ T10] netlink_rcv_skb+0x130/0x360 [ 3925.406820][ T10] netlink_unicast+0x449/0x710 [ 3925.406820][ T10] netlink_sendmsg+0x723/0xbe0 [ 3925.406820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3925.406820][ T10] ___sys_sendmsg+0xee/0x170 [ 3925.406820][ T10] __sys_sendmsg+0xcd/0x170 [ 3925.406820][ T10] do_syscall_64+0xc6/0x1e0 [ 3925.406820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.406820][ T10] [ 3925.408876][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3925.408876][ T10] netdev_get_by_index+0x5e/0x80 [ 3925.408876][ T10] fib6_nh_init+0x3d8/0x1580 [ 3925.408876][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3925.408876][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3925.408876][ T10] ipv6_add_addr+0x411/0x2000 [ 3925.408876][ T10] inet6_addr_add+0x30e/0xa40 [ 3925.408876][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3925.408876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.408876][ T10] netlink_rcv_skb+0x130/0x360 [ 3925.408876][ T10] netlink_unicast+0x449/0x710 [ 3925.408876][ T10] netlink_sendmsg+0x723/0xbe0 [ 3925.408876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3925.408876][ T10] ___sys_sendmsg+0xee/0x170 [ 3925.408876][ T10] __sys_sendmsg+0xcd/0x170 [ 3925.408876][ T10] do_syscall_64+0xc6/0x1e0 [ 3925.408876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.408876][ T10] [ 3925.410870][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3925.410870][ T10] netdev_get_by_index+0x5e/0x80 [ 3925.410870][ T10] fib6_nh_init+0x3d8/0x1580 [ 3925.410870][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3925.410870][ T10] ip6_route_add+0x1c/0x140 [ 3925.410870][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3925.410870][ T10] addrconf_add_dev+0xe2/0x170 [ 3925.410870][ T10] inet6_addr_add+0x12f/0xa40 [ 3925.410870][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3925.410870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.410870][ T10] netlink_rcv_skb+0x130/0x360 [ 3925.410870][ T10] netlink_unicast+0x449/0x710 [ 3925.410870][ T10] netlink_sendmsg+0x723/0xbe0 [ 3925.410870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3925.410870][ T10] ___sys_sendmsg+0xee/0x170 [ 3925.410870][ T10] __sys_sendmsg+0xcd/0x170 [ 3925.410870][ T10] do_syscall_64+0xc6/0x1e0 [ 3925.410870][ T10] [ 3925.412820][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3925.412820][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3925.412820][ T10] ipv6_find_idev+0x102/0x170 [ 3925.412820][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3925.412820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.412820][ T10] netlink_rcv_skb+0x130/0x360 [ 3925.412820][ T10] netlink_unicast+0x449/0x710 [ 3925.412820][ T10] netlink_sendmsg+0x723/0xbe0 [ 3925.412820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3925.412820][ T10] ___sys_sendmsg+0xee/0x170 [ 3925.412820][ T10] __sys_sendmsg+0xcd/0x170 [ 3925.412820][ T10] do_syscall_64+0xc6/0x1e0 [ 3925.412820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.412820][ T10] [ 3925.414346][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3925.414346][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3925.414346][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3925.414346][ T10] ipv6_find_idev+0x102/0x170 [ 3925.414346][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3925.414346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.414346][ T10] netlink_rcv_skb+0x130/0x360 [ 3925.414346][ T10] netlink_unicast+0x449/0x710 [ 3925.414346][ T10] netlink_sendmsg+0x723/0xbe0 [ 3925.414346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3925.414346][ T10] ___sys_sendmsg+0xee/0x170 [ 3925.414346][ T10] __sys_sendmsg+0xcd/0x170 [ 3925.414346][ T10] do_syscall_64+0xc6/0x1e0 [ 3925.414346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.414346][ T10] [ 3925.416027][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3925.416270][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3925.416270][ T10] netdev_get_by_index+0x5e/0x80 [ 3925.416270][ T10] fib6_nh_init+0x3d8/0x1580 [ 3925.416270][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3925.416270][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3925.416270][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3925.416270][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3925.416270][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3925.416270][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3925.416270][ T10] addrconf_dad_begin+0x310/0x670 [ 3925.416270][ T10] addrconf_dad_work+0x10b/0xab0 [ 3925.416270][ T10] process_one_work+0x84d/0x18a0 [ 3925.416270][ T10] worker_thread+0x587/0xd30 [ 3925.416270][ T10] kthread+0x28a/0x350 [ 3925.416270][ T10] ret_from_fork+0x31/0x70 [ 3925.416270][ T10] ret_from_fork_asm+0x1a/0x30 [ 3925.416270][ T10] [ 3925.418166][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3925.418166][ T10] netdev_get_by_index+0x5e/0x80 [ 3925.418166][ T10] fib6_nh_init+0x3d8/0x1580 [ 3925.418166][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3925.418166][ T10] ip6_route_add+0x1c/0x140 [ 3925.418166][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3925.418166][ T10] inet6_addr_add+0x4f8/0xa40 [ 3925.418166][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3925.418166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.418166][ T10] netlink_rcv_skb+0x130/0x360 [ 3925.418166][ T10] netlink_unicast+0x449/0x710 [ 3925.418166][ T10] netlink_sendmsg+0x723/0xbe0 [ 3925.418166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3925.418166][ T10] ___sys_sendmsg+0xee/0x170 [ 3925.418166][ T10] __sys_sendmsg+0xcd/0x170 [ 3925.418166][ T10] do_syscall_64+0xc6/0x1e0 [ 3925.418166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.418166][ T10] [ 3925.420393][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3925.420393][ T10] netdev_get_by_index+0x5e/0x80 [ 3925.420393][ T10] fib6_nh_init+0x3d8/0x1580 [ 3925.420393][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3925.420393][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3925.420393][ T10] ipv6_add_addr+0x411/0x2000 [ 3925.420393][ T10] inet6_addr_add+0x30e/0xa40 [ 3925.420393][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3925.420393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.420393][ T10] netlink_rcv_skb+0x130/0x360 [ 3925.420393][ T10] netlink_unicast+0x449/0x710 [ 3925.420393][ T10] netlink_sendmsg+0x723/0xbe0 [ 3925.420393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3925.420393][ T10] ___sys_sendmsg+0xee/0x170 [ 3925.420393][ T10] __sys_sendmsg+0xcd/0x170 [ 3925.420393][ T10] do_syscall_64+0xc6/0x1e0 [ 3925.420393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.420393][ T10] [ 3925.422607][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3925.422607][ T10] netdev_get_by_index+0x5e/0x80 [ 3925.422607][ T10] fib6_nh_init+0x3d8/0x1580 [ 3925.422607][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3925.422607][ T10] ip6_route_add+0x1c/0x140 [ 3925.422607][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3925.422607][ T10] addrconf_add_dev+0xe2/0x170 [ 3925.422607][ T10] inet6_addr_add+0x12f/0xa40 [ 3925.422607][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3925.422607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.422607][ T10] netlink_rcv_skb+0x130/0x360 [ 3925.422607][ T10] netlink_unicast+0x449/0x710 [ 3925.422607][ T10] netlink_sendmsg+0x723/0xbe0 [ 3925.422607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3925.422607][ T10] ___sys_sendmsg+0xee/0x170 [ 3925.422607][ T10] __sys_sendmsg+0xcd/0x170 [ 3925.422607][ T10] do_syscall_64+0xc6/0x1e0 [ 3925.422607][ T10] [ 3925.424798][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3925.424798][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3925.424798][ T10] ipv6_find_idev+0x102/0x170 [ 3925.424798][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3925.424798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.424798][ T10] netlink_rcv_skb+0x130/0x360 [ 3925.424798][ T10] netlink_unicast+0x449/0x710 [ 3925.424798][ T10] netlink_sendmsg+0x723/0xbe0 [ 3925.424798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3925.424798][ T10] ___sys_sendmsg+0xee/0x170 [ 3925.424798][ T10] __sys_sendmsg+0xcd/0x170 [ 3925.424798][ T10] do_syscall_64+0xc6/0x1e0 [ 3925.424798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.424798][ T10] [ 3925.426445][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3925.426445][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3925.426445][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3925.426445][ T10] ipv6_find_idev+0x102/0x170 [ 3925.426445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3925.426445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.426445][ T10] netlink_rcv_skb+0x130/0x360 [ 3925.426445][ T10] netlink_unicast+0x449/0x710 [ 3925.426445][ T10] netlink_sendmsg+0x723/0xbe0 [ 3925.426445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3925.426445][ T10] ___sys_sendmsg+0xee/0x170 [ 3925.426445][ T10] __sys_sendmsg+0xcd/0x170 [ 3925.426445][ T10] do_syscall_64+0xc6/0x1e0 [ 3925.426445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.426445][ T10] [ 3925.428367][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3925.428603][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3925.428603][ T10] netdev_get_by_index+0x5e/0x80 [ 3925.428603][ T10] fib6_nh_init+0x3d8/0x1580 [ 3925.428603][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3925.428603][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3925.428603][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3925.428603][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3925.428603][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3925.428603][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3925.428603][ T10] addrconf_dad_begin+0x310/0x670 [ 3925.428603][ T10] addrconf_dad_work+0x10b/0xab0 [ 3925.428603][ T10] process_one_work+0x84d/0x18a0 [ 3925.428603][ T10] worker_thread+0x587/0xd30 [ 3925.428603][ T10] kthread+0x28a/0x350 [ 3925.428603][ T10] ret_from_fork+0x31/0x70 [ 3925.428603][ T10] ret_from_fork_asm+0x1a/0x30 [ 3925.428603][ T10] [ 3925.430771][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3925.430771][ T10] netdev_get_by_index+0x5e/0x80 [ 3925.430771][ T10] fib6_nh_init+0x3d8/0x1580 [ 3925.430771][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3925.430771][ T10] ip6_route_add+0x1c/0x140 [ 3925.430771][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3925.430771][ T10] inet6_addr_add+0x4f8/0xa40 [ 3925.430771][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3925.430771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.430771][ T10] netlink_rcv_skb+0x130/0x360 [ 3925.430771][ T10] netlink_unicast+0x449/0x710 [ 3925.430771][ T10] netlink_sendmsg+0x723/0xbe0 [ 3925.430771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3925.430771][ T10] ___sys_sendmsg+0xee/0x170 [ 3925.430771][ T10] __sys_sendmsg+0xcd/0x170 [ 3925.430771][ T10] do_syscall_64+0xc6/0x1e0 [ 3925.430771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.430771][ T10] [ 3925.432992][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3925.432992][ T10] netdev_get_by_index+0x5e/0x80 [ 3925.432992][ T10] fib6_nh_init+0x3d8/0x1580 [ 3925.432992][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3925.432992][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3925.432992][ T10] ipv6_add_addr+0x411/0x2000 [ 3925.432992][ T10] inet6_addr_add+0x30e/0xa40 [ 3925.432992][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3925.432992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.432992][ T10] netlink_rcv_skb+0x130/0x360 [ 3925.432992][ T10] netlink_unicast+0x449/0x710 [ 3925.432992][ T10] netlink_sendmsg+0x723/0xbe0 [ 3925.432992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3925.432992][ T10] ___sys_sendmsg+0xee/0x170 [ 3925.432992][ T10] __sys_sendmsg+0xcd/0x170 [ 3925.432992][ T10] do_syscall_64+0xc6/0x1e0 [ 3925.432992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.432992][ T10] [ 3925.435152][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3925.435152][ T10] netdev_get_by_index+0x5e/0x80 [ 3925.435152][ T10] fib6_nh_init+0x3d8/0x1580 [ 3925.435152][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3925.435152][ T10] ip6_route_add+0x1c/0x140 [ 3925.435152][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3925.435152][ T10] addrconf_add_dev+0xe2/0x170 [ 3925.435152][ T10] inet6_addr_add+0x12f/0xa40 [ 3925.435152][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3925.435152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.435152][ T10] netlink_rcv_skb+0x130/0x360 [ 3925.435152][ T10] netlink_unicast+0x449/0x710 [ 3925.435152][ T10] netlink_sendmsg+0x723/0xbe0 [ 3925.435152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3925.435152][ T10] ___sys_sendmsg+0xee/0x170 [ 3925.435152][ T10] __sys_sendmsg+0xcd/0x170 [ 3925.435152][ T10] do_syscall_64+0xc6/0x1e0 [ 3925.435152][ T10] [ 3925.437412][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3925.437412][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3925.437412][ T10] ipv6_find_idev+0x102/0x170 [ 3925.437412][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3925.437412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.437412][ T10] netlink_rcv_skb+0x130/0x360 [ 3925.437412][ T10] netlink_unicast+0x449/0x710 [ 3925.437412][ T10] netlink_sendmsg+0x723/0xbe0 [ 3925.437412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3925.437412][ T10] ___sys_sendmsg+0xee/0x170 [ 3925.437412][ T10] __sys_sendmsg+0xcd/0x170 [ 3925.437412][ T10] do_syscall_64+0xc6/0x1e0 [ 3925.437412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.437412][ T10] [ 3925.439117][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3925.439117][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3925.439117][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3925.439117][ T10] ipv6_find_idev+0x102/0x170 [ 3925.439117][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3925.439117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.439117][ T10] netlink_rcv_skb+0x130/0x360 [ 3925.439117][ T10] netlink_unicast+0x449/0x710 [ 3925.439117][ T10] netlink_sendmsg+0x723/0xbe0 [ 3925.439117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3925.439117][ T10] ___sys_sendmsg+0xee/0x170 [ 3925.439117][ T10] __sys_sendmsg+0xcd/0x170 [ 3925.439117][ T10] do_syscall_64+0xc6/0x1e0 [ 3925.439117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.439117][ T10] [ 3933.377062][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3933.377554][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3933.377554][ T1167] dst_init+0x84/0x4a0 [ 3933.377554][ T1167] dst_alloc+0x97/0x150 [ 3933.377554][ T1167] ip6_dst_alloc+0x23/0x90 [ 3933.377554][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3933.377554][ T1167] ip6_pol_route+0x56f/0x840 [ 3933.377554][ T1167] fib6_rule_lookup+0x334/0x630 [ 3933.377554][ T1167] ip6_route_output_flags+0x259/0x480 [ 3933.377554][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3933.377554][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3933.377554][ T1167] netlink_rcv_skb+0x130/0x360 [ 3933.377554][ T1167] netlink_unicast+0x449/0x710 [ 3933.377554][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3933.377554][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3933.377554][ T1167] ___sys_sendmsg+0xee/0x170 [ 3933.377554][ T1167] __sys_sendmsg+0xcd/0x170 [ 3933.377554][ T1167] do_syscall_64+0xc6/0x1e0 [ 3933.377554][ T1167] [ 3933.379775][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3933.379775][ T1167] netdev_get_by_index+0x5e/0x80 [ 3933.379775][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3933.379775][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3933.379775][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3933.379775][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3933.379775][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3933.379775][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3933.379775][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3933.379775][ T1167] addrconf_dad_begin+0x310/0x670 [ 3933.379775][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3933.379775][ T1167] process_one_work+0x84d/0x18a0 [ 3933.379775][ T1167] worker_thread+0x587/0xd30 [ 3933.379775][ T1167] kthread+0x28a/0x350 [ 3933.379775][ T1167] ret_from_fork+0x31/0x70 [ 3933.379775][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3933.379775][ T1167] [ 3933.381927][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3933.381927][ T1167] netdev_get_by_index+0x5e/0x80 [ 3933.381927][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3933.381927][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3933.381927][ T1167] ip6_route_add+0x1c/0x140 [ 3933.381927][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3933.381927][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3933.381927][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3933.381927][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3933.381927][ T1167] netlink_rcv_skb+0x130/0x360 [ 3933.381927][ T1167] netlink_unicast+0x449/0x710 [ 3933.381927][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3933.381927][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3933.381927][ T1167] ___sys_sendmsg+0xee/0x170 [ 3933.381927][ T1167] __sys_sendmsg+0xcd/0x170 [ 3933.381927][ T1167] do_syscall_64+0xc6/0x1e0 [ 3933.381927][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3933.381927][ T1167] [ 3933.384179][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3933.384179][ T1167] netdev_get_by_index+0x5e/0x80 [ 3933.384179][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3933.384179][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3933.384179][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3933.384179][ T1167] ipv6_add_addr+0x411/0x2000 [ 3933.384179][ T1167] inet6_addr_add+0x30e/0xa40 [ 3933.384179][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3933.384179][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3933.384179][ T1167] netlink_rcv_skb+0x130/0x360 [ 3933.384179][ T1167] netlink_unicast+0x449/0x710 [ 3933.384179][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3933.384179][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3933.384179][ T1167] ___sys_sendmsg+0xee/0x170 [ 3933.384179][ T1167] __sys_sendmsg+0xcd/0x170 [ 3933.384179][ T1167] do_syscall_64+0xc6/0x1e0 [ 3933.384179][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3933.384179][ T1167] [ 3933.386420][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3933.386420][ T1167] netdev_get_by_index+0x5e/0x80 [ 3933.386420][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3933.386420][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3933.386420][ T1167] ip6_route_add+0x1c/0x140 [ 3933.386420][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3933.386420][ T1167] addrconf_add_dev+0xe2/0x170 [ 3933.386420][ T1167] inet6_addr_add+0x12f/0xa40 [ 3933.386420][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3933.386420][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3933.386420][ T1167] netlink_rcv_skb+0x130/0x360 [ 3933.386420][ T1167] netlink_unicast+0x449/0x710 [ 3933.386420][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3933.386420][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3933.386420][ T1167] ___sys_sendmsg+0xee/0x170 [ 3933.386420][ T1167] __sys_sendmsg+0xcd/0x170 [ 3933.386420][ T1167] do_syscall_64+0xc6/0x1e0 [ 3933.386420][ T1167] [ 3933.388641][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3933.388641][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3933.388641][ T1167] ipv6_find_idev+0x102/0x170 [ 3933.388641][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3933.388641][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3933.388641][ T1167] netlink_rcv_skb+0x130/0x360 [ 3933.388641][ T1167] netlink_unicast+0x449/0x710 [ 3933.388641][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3933.388641][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3933.388641][ T1167] ___sys_sendmsg+0xee/0x170 [ 3933.388641][ T1167] __sys_sendmsg+0xcd/0x170 [ 3933.388641][ T1167] do_syscall_64+0xc6/0x1e0 [ 3933.388641][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3933.388641][ T1167] [ 3933.390374][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3933.390374][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3933.390374][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3933.390374][ T1167] ipv6_find_idev+0x102/0x170 [ 3933.390374][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3933.390374][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3933.390374][ T1167] netlink_rcv_skb+0x130/0x360 [ 3933.390374][ T1167] netlink_unicast+0x449/0x710 [ 3933.390374][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3933.390374][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3933.390374][ T1167] ___sys_sendmsg+0xee/0x170 [ 3933.390374][ T1167] __sys_sendmsg+0xcd/0x170 [ 3933.390374][ T1167] do_syscall_64+0xc6/0x1e0 [ 3933.390374][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3933.390374][ T1167] [ 3935.681078][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3935.681513][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3935.681513][ T10] netdev_get_by_index+0x5e/0x80 [ 3935.681513][ T10] fib6_nh_init+0x3d8/0x1580 [ 3935.681513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3935.681513][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3935.681513][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3935.681513][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3935.681513][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3935.681513][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3935.681513][ T10] addrconf_dad_begin+0x310/0x670 [ 3935.681513][ T10] addrconf_dad_work+0x10b/0xab0 [ 3935.681513][ T10] process_one_work+0x84d/0x18a0 [ 3935.681513][ T10] worker_thread+0x587/0xd30 [ 3935.681513][ T10] kthread+0x28a/0x350 [ 3935.681513][ T10] ret_from_fork+0x31/0x70 [ 3935.681513][ T10] ret_from_fork_asm+0x1a/0x30 [ 3935.681513][ T10] [ 3935.683550][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3935.683550][ T10] netdev_get_by_index+0x5e/0x80 [ 3935.683550][ T10] fib6_nh_init+0x3d8/0x1580 [ 3935.683550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3935.683550][ T10] ip6_route_add+0x1c/0x140 [ 3935.683550][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3935.683550][ T10] inet6_addr_add+0x4f8/0xa40 [ 3935.683550][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3935.683550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.683550][ T10] netlink_rcv_skb+0x130/0x360 [ 3935.683550][ T10] netlink_unicast+0x449/0x710 [ 3935.683550][ T10] netlink_sendmsg+0x723/0xbe0 [ 3935.683550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3935.683550][ T10] ___sys_sendmsg+0xee/0x170 [ 3935.683550][ T10] __sys_sendmsg+0xcd/0x170 [ 3935.683550][ T10] do_syscall_64+0xc6/0x1e0 [ 3935.683550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.683550][ T10] [ 3935.685781][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3935.685781][ T10] netdev_get_by_index+0x5e/0x80 [ 3935.685781][ T10] fib6_nh_init+0x3d8/0x1580 [ 3935.685781][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3935.685781][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3935.685781][ T10] ipv6_add_addr+0x411/0x2000 [ 3935.685781][ T10] inet6_addr_add+0x30e/0xa40 [ 3935.685781][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3935.685781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.685781][ T10] netlink_rcv_skb+0x130/0x360 [ 3935.685781][ T10] netlink_unicast+0x449/0x710 [ 3935.685781][ T10] netlink_sendmsg+0x723/0xbe0 [ 3935.685781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3935.685781][ T10] ___sys_sendmsg+0xee/0x170 [ 3935.685781][ T10] __sys_sendmsg+0xcd/0x170 [ 3935.685781][ T10] do_syscall_64+0xc6/0x1e0 [ 3935.685781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.685781][ T10] [ 3935.687768][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3935.687768][ T10] netdev_get_by_index+0x5e/0x80 [ 3935.687768][ T10] fib6_nh_init+0x3d8/0x1580 [ 3935.687768][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3935.687768][ T10] ip6_route_add+0x1c/0x140 [ 3935.687768][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3935.687768][ T10] addrconf_add_dev+0xe2/0x170 [ 3935.687768][ T10] inet6_addr_add+0x12f/0xa40 [ 3935.687768][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3935.687768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.687768][ T10] netlink_rcv_skb+0x130/0x360 [ 3935.687768][ T10] netlink_unicast+0x449/0x710 [ 3935.687768][ T10] netlink_sendmsg+0x723/0xbe0 [ 3935.687768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3935.687768][ T10] ___sys_sendmsg+0xee/0x170 [ 3935.687768][ T10] __sys_sendmsg+0xcd/0x170 [ 3935.687768][ T10] do_syscall_64+0xc6/0x1e0 [ 3935.687768][ T10] [ 3935.689730][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3935.689730][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3935.689730][ T10] ipv6_find_idev+0x102/0x170 [ 3935.689730][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3935.689730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.689730][ T10] netlink_rcv_skb+0x130/0x360 [ 3935.689730][ T10] netlink_unicast+0x449/0x710 [ 3935.689730][ T10] netlink_sendmsg+0x723/0xbe0 [ 3935.689730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3935.689730][ T10] ___sys_sendmsg+0xee/0x170 [ 3935.689730][ T10] __sys_sendmsg+0xcd/0x170 [ 3935.689730][ T10] do_syscall_64+0xc6/0x1e0 [ 3935.689730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.689730][ T10] [ 3935.691266][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3935.691266][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3935.691266][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3935.691266][ T10] ipv6_find_idev+0x102/0x170 [ 3935.691266][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3935.691266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.691266][ T10] netlink_rcv_skb+0x130/0x360 [ 3935.691266][ T10] netlink_unicast+0x449/0x710 [ 3935.691266][ T10] netlink_sendmsg+0x723/0xbe0 [ 3935.691266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3935.691266][ T10] ___sys_sendmsg+0xee/0x170 [ 3935.691266][ T10] __sys_sendmsg+0xcd/0x170 [ 3935.691266][ T10] do_syscall_64+0xc6/0x1e0 [ 3935.691266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.691266][ T10] [ 3935.692948][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3935.693211][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3935.693211][ T10] netdev_get_by_index+0x5e/0x80 [ 3935.693211][ T10] fib6_nh_init+0x3d8/0x1580 [ 3935.693211][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3935.693211][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3935.693211][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3935.693211][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3935.693211][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3935.693211][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3935.693211][ T10] addrconf_dad_begin+0x310/0x670 [ 3935.693211][ T10] addrconf_dad_work+0x10b/0xab0 [ 3935.693211][ T10] process_one_work+0x84d/0x18a0 [ 3935.693211][ T10] worker_thread+0x587/0xd30 [ 3935.693211][ T10] kthread+0x28a/0x350 [ 3935.693211][ T10] ret_from_fork+0x31/0x70 [ 3935.693211][ T10] ret_from_fork_asm+0x1a/0x30 [ 3935.693211][ T10] [ 3935.695103][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3935.695103][ T10] netdev_get_by_index+0x5e/0x80 [ 3935.695103][ T10] fib6_nh_init+0x3d8/0x1580 [ 3935.695103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3935.695103][ T10] ip6_route_add+0x1c/0x140 [ 3935.695103][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3935.695103][ T10] inet6_addr_add+0x4f8/0xa40 [ 3935.695103][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3935.695103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.695103][ T10] netlink_rcv_skb+0x130/0x360 [ 3935.695103][ T10] netlink_unicast+0x449/0x710 [ 3935.695103][ T10] netlink_sendmsg+0x723/0xbe0 [ 3935.695103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3935.695103][ T10] ___sys_sendmsg+0xee/0x170 [ 3935.695103][ T10] __sys_sendmsg+0xcd/0x170 [ 3935.695103][ T10] do_syscall_64+0xc6/0x1e0 [ 3935.695103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.695103][ T10] [ 3935.697077][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3935.697077][ T10] netdev_get_by_index+0x5e/0x80 [ 3935.697077][ T10] fib6_nh_init+0x3d8/0x1580 [ 3935.697077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3935.697077][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3935.697077][ T10] ipv6_add_addr+0x411/0x2000 [ 3935.697077][ T10] inet6_addr_add+0x30e/0xa40 [ 3935.697077][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3935.697077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.697077][ T10] netlink_rcv_skb+0x130/0x360 [ 3935.697077][ T10] netlink_unicast+0x449/0x710 [ 3935.697077][ T10] netlink_sendmsg+0x723/0xbe0 [ 3935.697077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3935.697077][ T10] ___sys_sendmsg+0xee/0x170 [ 3935.697077][ T10] __sys_sendmsg+0xcd/0x170 [ 3935.697077][ T10] do_syscall_64+0xc6/0x1e0 [ 3935.697077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.697077][ T10] [ 3935.699054][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3935.699054][ T10] netdev_get_by_index+0x5e/0x80 [ 3935.699054][ T10] fib6_nh_init+0x3d8/0x1580 [ 3935.699054][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3935.699054][ T10] ip6_route_add+0x1c/0x140 [ 3935.699054][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3935.699054][ T10] addrconf_add_dev+0xe2/0x170 [ 3935.699054][ T10] inet6_addr_add+0x12f/0xa40 [ 3935.699054][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3935.699054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.699054][ T10] netlink_rcv_skb+0x130/0x360 [ 3935.699054][ T10] netlink_unicast+0x449/0x710 [ 3935.699054][ T10] netlink_sendmsg+0x723/0xbe0 [ 3935.699054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3935.699054][ T10] ___sys_sendmsg+0xee/0x170 [ 3935.699054][ T10] __sys_sendmsg+0xcd/0x170 [ 3935.699054][ T10] do_syscall_64+0xc6/0x1e0 [ 3935.699054][ T10] [ 3935.701538][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3935.701538][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3935.701538][ T10] ipv6_find_idev+0x102/0x170 [ 3935.701538][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3935.701538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.701538][ T10] netlink_rcv_skb+0x130/0x360 [ 3935.701538][ T10] netlink_unicast+0x449/0x710 [ 3935.701538][ T10] netlink_sendmsg+0x723/0xbe0 [ 3935.701538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3935.701538][ T10] ___sys_sendmsg+0xee/0x170 [ 3935.701538][ T10] __sys_sendmsg+0xcd/0x170 [ 3935.701538][ T10] do_syscall_64+0xc6/0x1e0 [ 3935.701538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.701538][ T10] [ 3935.703059][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3935.703059][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3935.703059][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3935.703059][ T10] ipv6_find_idev+0x102/0x170 [ 3935.703059][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3935.703059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.703059][ T10] netlink_rcv_skb+0x130/0x360 [ 3935.703059][ T10] netlink_unicast+0x449/0x710 [ 3935.703059][ T10] netlink_sendmsg+0x723/0xbe0 [ 3935.703059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3935.703059][ T10] ___sys_sendmsg+0xee/0x170 [ 3935.703059][ T10] __sys_sendmsg+0xcd/0x170 [ 3935.703059][ T10] do_syscall_64+0xc6/0x1e0 [ 3935.703059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.703059][ T10] [ 3935.704727][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3935.704967][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3935.704967][ T10] netdev_get_by_index+0x5e/0x80 [ 3935.704967][ T10] fib6_nh_init+0x3d8/0x1580 [ 3935.704967][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3935.704967][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3935.704967][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3935.704967][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3935.704967][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3935.704967][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3935.704967][ T10] addrconf_dad_begin+0x310/0x670 [ 3935.704967][ T10] addrconf_dad_work+0x10b/0xab0 [ 3935.704967][ T10] process_one_work+0x84d/0x18a0 [ 3935.704967][ T10] worker_thread+0x587/0xd30 [ 3935.704967][ T10] kthread+0x28a/0x350 [ 3935.704967][ T10] ret_from_fork+0x31/0x70 [ 3935.704967][ T10] ret_from_fork_asm+0x1a/0x30 [ 3935.704967][ T10] [ 3935.706866][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3935.706866][ T10] netdev_get_by_index+0x5e/0x80 [ 3935.706866][ T10] fib6_nh_init+0x3d8/0x1580 [ 3935.706866][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3935.706866][ T10] ip6_route_add+0x1c/0x140 [ 3935.706866][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3935.706866][ T10] inet6_addr_add+0x4f8/0xa40 [ 3935.706866][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3935.706866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.706866][ T10] netlink_rcv_skb+0x130/0x360 [ 3935.706866][ T10] netlink_unicast+0x449/0x710 [ 3935.706866][ T10] netlink_sendmsg+0x723/0xbe0 [ 3935.706866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3935.706866][ T10] ___sys_sendmsg+0xee/0x170 [ 3935.706866][ T10] __sys_sendmsg+0xcd/0x170 [ 3935.706866][ T10] do_syscall_64+0xc6/0x1e0 [ 3935.706866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.706866][ T10] [ 3935.708976][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3935.708976][ T10] netdev_get_by_index+0x5e/0x80 [ 3935.708976][ T10] fib6_nh_init+0x3d8/0x1580 [ 3935.708976][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3935.708976][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3935.708976][ T10] ipv6_add_addr+0x411/0x2000 [ 3935.708976][ T10] inet6_addr_add+0x30e/0xa40 [ 3935.708976][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3935.708976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.708976][ T10] netlink_rcv_skb+0x130/0x360 [ 3935.708976][ T10] netlink_unicast+0x449/0x710 [ 3935.708976][ T10] netlink_sendmsg+0x723/0xbe0 [ 3935.708976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3935.708976][ T10] ___sys_sendmsg+0xee/0x170 [ 3935.708976][ T10] __sys_sendmsg+0xcd/0x170 [ 3935.708976][ T10] do_syscall_64+0xc6/0x1e0 [ 3935.708976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.708976][ T10] [ 3935.711464][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3935.711464][ T10] netdev_get_by_index+0x5e/0x80 [ 3935.711464][ T10] fib6_nh_init+0x3d8/0x1580 [ 3935.711464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3935.711464][ T10] ip6_route_add+0x1c/0x140 [ 3935.711464][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3935.711464][ T10] addrconf_add_dev+0xe2/0x170 [ 3935.711464][ T10] inet6_addr_add+0x12f/0xa40 [ 3935.711464][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3935.711464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.711464][ T10] netlink_rcv_skb+0x130/0x360 [ 3935.711464][ T10] netlink_unicast+0x449/0x710 [ 3935.711464][ T10] netlink_sendmsg+0x723/0xbe0 [ 3935.711464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3935.711464][ T10] ___sys_sendmsg+0xee/0x170 [ 3935.711464][ T10] __sys_sendmsg+0xcd/0x170 [ 3935.711464][ T10] do_syscall_64+0xc6/0x1e0 [ 3935.711464][ T10] [ 3935.713538][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3935.713538][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3935.713538][ T10] ipv6_find_idev+0x102/0x170 [ 3935.713538][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3935.713538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.713538][ T10] netlink_rcv_skb+0x130/0x360 [ 3935.713538][ T10] netlink_unicast+0x449/0x710 [ 3935.713538][ T10] netlink_sendmsg+0x723/0xbe0 [ 3935.713538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3935.713538][ T10] ___sys_sendmsg+0xee/0x170 [ 3935.713538][ T10] __sys_sendmsg+0xcd/0x170 [ 3935.713538][ T10] do_syscall_64+0xc6/0x1e0 [ 3935.713538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.713538][ T10] [ 3935.715120][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3935.715120][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3935.715120][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3935.715120][ T10] ipv6_find_idev+0x102/0x170 [ 3935.715120][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3935.715120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.715120][ T10] netlink_rcv_skb+0x130/0x360 [ 3935.715120][ T10] netlink_unicast+0x449/0x710 [ 3935.715120][ T10] netlink_sendmsg+0x723/0xbe0 [ 3935.715120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3935.715120][ T10] ___sys_sendmsg+0xee/0x170 [ 3935.715120][ T10] __sys_sendmsg+0xcd/0x170 [ 3935.715120][ T10] do_syscall_64+0xc6/0x1e0 [ 3935.715120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.715120][ T10] [ 3935.716927][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3935.717598][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3935.717598][ T10] netdev_get_by_index+0x5e/0x80 [ 3935.717598][ T10] fib6_nh_init+0x3d8/0x1580 [ 3935.717598][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3935.717598][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3935.717598][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3935.717598][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3935.717598][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3935.717598][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3935.717598][ T10] addrconf_dad_begin+0x310/0x670 [ 3935.717598][ T10] addrconf_dad_work+0x10b/0xab0 [ 3935.717598][ T10] process_one_work+0x84d/0x18a0 [ 3935.717598][ T10] worker_thread+0x587/0xd30 [ 3935.717598][ T10] kthread+0x28a/0x350 [ 3935.717598][ T10] ret_from_fork+0x31/0x70 [ 3935.717598][ T10] ret_from_fork_asm+0x1a/0x30 [ 3935.717598][ T10] [ 3935.719496][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3935.719496][ T10] netdev_get_by_index+0x5e/0x80 [ 3935.719496][ T10] fib6_nh_init+0x3d8/0x1580 [ 3935.719496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3935.719496][ T10] ip6_route_add+0x1c/0x140 [ 3935.719496][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3935.719496][ T10] inet6_addr_add+0x4f8/0xa40 [ 3935.719496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3935.719496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.719496][ T10] netlink_rcv_skb+0x130/0x360 [ 3935.719496][ T10] netlink_unicast+0x449/0x710 [ 3935.719496][ T10] netlink_sendmsg+0x723/0xbe0 [ 3935.719496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3935.719496][ T10] ___sys_sendmsg+0xee/0x170 [ 3935.719496][ T10] __sys_sendmsg+0xcd/0x170 [ 3935.719496][ T10] do_syscall_64+0xc6/0x1e0 [ 3935.719496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.719496][ T10] [ 3935.721558][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3935.721558][ T10] netdev_get_by_index+0x5e/0x80 [ 3935.721558][ T10] fib6_nh_init+0x3d8/0x1580 [ 3935.721558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3935.721558][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3935.721558][ T10] ipv6_add_addr+0x411/0x2000 [ 3935.721558][ T10] inet6_addr_add+0x30e/0xa40 [ 3935.721558][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3935.721558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.721558][ T10] netlink_rcv_skb+0x130/0x360 [ 3935.721558][ T10] netlink_unicast+0x449/0x710 [ 3935.721558][ T10] netlink_sendmsg+0x723/0xbe0 [ 3935.721558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3935.721558][ T10] ___sys_sendmsg+0xee/0x170 [ 3935.721558][ T10] __sys_sendmsg+0xcd/0x170 [ 3935.721558][ T10] do_syscall_64+0xc6/0x1e0 [ 3935.721558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.721558][ T10] [ 3935.723655][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3935.723655][ T10] netdev_get_by_index+0x5e/0x80 [ 3935.723655][ T10] fib6_nh_init+0x3d8/0x1580 [ 3935.723655][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3935.723655][ T10] ip6_route_add+0x1c/0x140 [ 3935.723655][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3935.723655][ T10] addrconf_add_dev+0xe2/0x170 [ 3935.723655][ T10] inet6_addr_add+0x12f/0xa40 [ 3935.723655][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3935.723655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.723655][ T10] netlink_rcv_skb+0x130/0x360 [ 3935.723655][ T10] netlink_unicast+0x449/0x710 [ 3935.723655][ T10] netlink_sendmsg+0x723/0xbe0 [ 3935.723655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3935.723655][ T10] ___sys_sendmsg+0xee/0x170 [ 3935.723655][ T10] __sys_sendmsg+0xcd/0x170 [ 3935.723655][ T10] do_syscall_64+0xc6/0x1e0 [ 3935.723655][ T10] [ 3935.725715][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3935.725715][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3935.725715][ T10] ipv6_find_idev+0x102/0x170 [ 3935.725715][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3935.725715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.725715][ T10] netlink_rcv_skb+0x130/0x360 [ 3935.725715][ T10] netlink_unicast+0x449/0x710 [ 3935.725715][ T10] netlink_sendmsg+0x723/0xbe0 [ 3935.725715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3935.725715][ T10] ___sys_sendmsg+0xee/0x170 [ 3935.725715][ T10] __sys_sendmsg+0xcd/0x170 [ 3935.725715][ T10] do_syscall_64+0xc6/0x1e0 [ 3935.725715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.725715][ T10] [ 3935.727293][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3935.727293][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3935.727293][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3935.727293][ T10] ipv6_find_idev+0x102/0x170 [ 3935.727293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3935.727293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.727293][ T10] netlink_rcv_skb+0x130/0x360 [ 3935.727293][ T10] netlink_unicast+0x449/0x710 [ 3935.727293][ T10] netlink_sendmsg+0x723/0xbe0 [ 3935.727293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3935.727293][ T10] ___sys_sendmsg+0xee/0x170 [ 3935.727293][ T10] __sys_sendmsg+0xcd/0x170 [ 3935.727293][ T10] do_syscall_64+0xc6/0x1e0 [ 3935.727293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.727293][ T10] [ 3943.641114][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3943.641528][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3943.641528][ T1167] dst_init+0x84/0x4a0 [ 3943.641528][ T1167] dst_alloc+0x97/0x150 [ 3943.641528][ T1167] ip6_dst_alloc+0x23/0x90 [ 3943.641528][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3943.641528][ T1167] ip6_pol_route+0x56f/0x840 [ 3943.641528][ T1167] fib6_rule_lookup+0x334/0x630 [ 3943.641528][ T1167] ip6_route_output_flags+0x259/0x480 [ 3943.641528][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3943.641528][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3943.641528][ T1167] netlink_rcv_skb+0x130/0x360 [ 3943.641528][ T1167] netlink_unicast+0x449/0x710 [ 3943.641528][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3943.641528][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3943.641528][ T1167] ___sys_sendmsg+0xee/0x170 [ 3943.641528][ T1167] __sys_sendmsg+0xcd/0x170 [ 3943.641528][ T1167] do_syscall_64+0xc6/0x1e0 [ 3943.641528][ T1167] [ 3943.643722][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3943.643722][ T1167] netdev_get_by_index+0x5e/0x80 [ 3943.643722][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3943.643722][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3943.643722][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3943.643722][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3943.643722][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3943.643722][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3943.643722][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3943.643722][ T1167] addrconf_dad_begin+0x310/0x670 [ 3943.643722][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3943.643722][ T1167] process_one_work+0x84d/0x18a0 [ 3943.643722][ T1167] worker_thread+0x587/0xd30 [ 3943.643722][ T1167] kthread+0x28a/0x350 [ 3943.643722][ T1167] ret_from_fork+0x31/0x70 [ 3943.643722][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3943.643722][ T1167] [ 3943.645873][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3943.645873][ T1167] netdev_get_by_index+0x5e/0x80 [ 3943.645873][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3943.645873][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3943.645873][ T1167] ip6_route_add+0x1c/0x140 [ 3943.645873][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3943.645873][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3943.645873][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3943.645873][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3943.645873][ T1167] netlink_rcv_skb+0x130/0x360 [ 3943.645873][ T1167] netlink_unicast+0x449/0x710 [ 3943.645873][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3943.645873][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3943.645873][ T1167] ___sys_sendmsg+0xee/0x170 [ 3943.645873][ T1167] __sys_sendmsg+0xcd/0x170 [ 3943.645873][ T1167] do_syscall_64+0xc6/0x1e0 [ 3943.645873][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3943.645873][ T1167] [ 3943.648108][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3943.648108][ T1167] netdev_get_by_index+0x5e/0x80 [ 3943.648108][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3943.648108][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3943.648108][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3943.648108][ T1167] ipv6_add_addr+0x411/0x2000 [ 3943.648108][ T1167] inet6_addr_add+0x30e/0xa40 [ 3943.648108][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3943.648108][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3943.648108][ T1167] netlink_rcv_skb+0x130/0x360 [ 3943.648108][ T1167] netlink_unicast+0x449/0x710 [ 3943.648108][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3943.648108][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3943.648108][ T1167] ___sys_sendmsg+0xee/0x170 [ 3943.648108][ T1167] __sys_sendmsg+0xcd/0x170 [ 3943.648108][ T1167] do_syscall_64+0xc6/0x1e0 [ 3943.648108][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3943.648108][ T1167] [ 3943.650361][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3943.650361][ T1167] netdev_get_by_index+0x5e/0x80 [ 3943.650361][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3943.650361][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3943.650361][ T1167] ip6_route_add+0x1c/0x140 [ 3943.650361][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3943.650361][ T1167] addrconf_add_dev+0xe2/0x170 [ 3943.650361][ T1167] inet6_addr_add+0x12f/0xa40 [ 3943.650361][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3943.650361][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3943.650361][ T1167] netlink_rcv_skb+0x130/0x360 [ 3943.650361][ T1167] netlink_unicast+0x449/0x710 [ 3943.650361][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3943.650361][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3943.650361][ T1167] ___sys_sendmsg+0xee/0x170 [ 3943.650361][ T1167] __sys_sendmsg+0xcd/0x170 [ 3943.650361][ T1167] do_syscall_64+0xc6/0x1e0 [ 3943.650361][ T1167] [ 3943.652571][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3943.652571][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3943.652571][ T1167] ipv6_find_idev+0x102/0x170 [ 3943.652571][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3943.652571][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3943.652571][ T1167] netlink_rcv_skb+0x130/0x360 [ 3943.652571][ T1167] netlink_unicast+0x449/0x710 [ 3943.652571][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3943.652571][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3943.652571][ T1167] ___sys_sendmsg+0xee/0x170 [ 3943.652571][ T1167] __sys_sendmsg+0xcd/0x170 [ 3943.652571][ T1167] do_syscall_64+0xc6/0x1e0 [ 3943.652571][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3943.652571][ T1167] [ 3943.654291][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3943.654291][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3943.654291][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3943.654291][ T1167] ipv6_find_idev+0x102/0x170 [ 3943.654291][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3943.654291][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3943.654291][ T1167] netlink_rcv_skb+0x130/0x360 [ 3943.654291][ T1167] netlink_unicast+0x449/0x710 [ 3943.654291][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3943.654291][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3943.654291][ T1167] ___sys_sendmsg+0xee/0x170 [ 3943.654291][ T1167] __sys_sendmsg+0xcd/0x170 [ 3943.654291][ T1167] do_syscall_64+0xc6/0x1e0 [ 3943.654291][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3943.654291][ T1167] [ 3945.969087][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3945.969577][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3945.969577][ T10] netdev_get_by_index+0x5e/0x80 [ 3945.969577][ T10] fib6_nh_init+0x3d8/0x1580 [ 3945.969577][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3945.969577][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3945.969577][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3945.969577][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3945.969577][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3945.969577][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3945.969577][ T10] addrconf_dad_begin+0x310/0x670 [ 3945.969577][ T10] addrconf_dad_work+0x10b/0xab0 [ 3945.969577][ T10] process_one_work+0x84d/0x18a0 [ 3945.969577][ T10] worker_thread+0x587/0xd30 [ 3945.969577][ T10] kthread+0x28a/0x350 [ 3945.969577][ T10] ret_from_fork+0x31/0x70 [ 3945.969577][ T10] ret_from_fork_asm+0x1a/0x30 [ 3945.969577][ T10] [ 3945.971594][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3945.971594][ T10] netdev_get_by_index+0x5e/0x80 [ 3945.971594][ T10] fib6_nh_init+0x3d8/0x1580 [ 3945.971594][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3945.971594][ T10] ip6_route_add+0x1c/0x140 [ 3945.971594][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3945.971594][ T10] inet6_addr_add+0x4f8/0xa40 [ 3945.971594][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3945.971594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.971594][ T10] netlink_rcv_skb+0x130/0x360 [ 3945.971594][ T10] netlink_unicast+0x449/0x710 [ 3945.971594][ T10] netlink_sendmsg+0x723/0xbe0 [ 3945.971594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3945.971594][ T10] ___sys_sendmsg+0xee/0x170 [ 3945.971594][ T10] __sys_sendmsg+0xcd/0x170 [ 3945.971594][ T10] do_syscall_64+0xc6/0x1e0 [ 3945.971594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3945.971594][ T10] [ 3945.974263][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3945.974263][ T10] netdev_get_by_index+0x5e/0x80 [ 3945.974263][ T10] fib6_nh_init+0x3d8/0x1580 [ 3945.974263][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3945.974263][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3945.974263][ T10] ipv6_add_addr+0x411/0x2000 [ 3945.974263][ T10] inet6_addr_add+0x30e/0xa40 [ 3945.974263][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3945.974263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.974263][ T10] netlink_rcv_skb+0x130/0x360 [ 3945.974263][ T10] netlink_unicast+0x449/0x710 [ 3945.974263][ T10] netlink_sendmsg+0x723/0xbe0 [ 3945.974263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3945.974263][ T10] ___sys_sendmsg+0xee/0x170 [ 3945.974263][ T10] __sys_sendmsg+0xcd/0x170 [ 3945.974263][ T10] do_syscall_64+0xc6/0x1e0 [ 3945.974263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3945.974263][ T10] [ 3945.976274][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3945.976274][ T10] netdev_get_by_index+0x5e/0x80 [ 3945.976274][ T10] fib6_nh_init+0x3d8/0x1580 [ 3945.976274][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3945.976274][ T10] ip6_route_add+0x1c/0x140 [ 3945.976274][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3945.976274][ T10] addrconf_add_dev+0xe2/0x170 [ 3945.976274][ T10] inet6_addr_add+0x12f/0xa40 [ 3945.976274][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3945.976274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.976274][ T10] netlink_rcv_skb+0x130/0x360 [ 3945.976274][ T10] netlink_unicast+0x449/0x710 [ 3945.976274][ T10] netlink_sendmsg+0x723/0xbe0 [ 3945.976274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3945.976274][ T10] ___sys_sendmsg+0xee/0x170 [ 3945.976274][ T10] __sys_sendmsg+0xcd/0x170 [ 3945.976274][ T10] do_syscall_64+0xc6/0x1e0 [ 3945.976274][ T10] [ 3945.978264][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3945.978264][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3945.978264][ T10] ipv6_find_idev+0x102/0x170 [ 3945.978264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3945.978264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.978264][ T10] netlink_rcv_skb+0x130/0x360 [ 3945.978264][ T10] netlink_unicast+0x449/0x710 [ 3945.978264][ T10] netlink_sendmsg+0x723/0xbe0 [ 3945.978264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3945.978264][ T10] ___sys_sendmsg+0xee/0x170 [ 3945.978264][ T10] __sys_sendmsg+0xcd/0x170 [ 3945.978264][ T10] do_syscall_64+0xc6/0x1e0 [ 3945.978264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3945.978264][ T10] [ 3945.979923][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3945.979923][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3945.979923][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3945.979923][ T10] ipv6_find_idev+0x102/0x170 [ 3945.979923][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3945.979923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.979923][ T10] netlink_rcv_skb+0x130/0x360 [ 3945.979923][ T10] netlink_unicast+0x449/0x710 [ 3945.979923][ T10] netlink_sendmsg+0x723/0xbe0 [ 3945.979923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3945.979923][ T10] ___sys_sendmsg+0xee/0x170 [ 3945.979923][ T10] __sys_sendmsg+0xcd/0x170 [ 3945.979923][ T10] do_syscall_64+0xc6/0x1e0 [ 3945.979923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3945.979923][ T10] [ 3945.981620][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3945.981867][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3945.981867][ T10] netdev_get_by_index+0x5e/0x80 [ 3945.981867][ T10] fib6_nh_init+0x3d8/0x1580 [ 3945.981867][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3945.981867][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3945.981867][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3945.981867][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3945.981867][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3945.981867][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3945.981867][ T10] addrconf_dad_begin+0x310/0x670 [ 3945.981867][ T10] addrconf_dad_work+0x10b/0xab0 [ 3945.981867][ T10] process_one_work+0x84d/0x18a0 [ 3945.981867][ T10] worker_thread+0x587/0xd30 [ 3945.981867][ T10] kthread+0x28a/0x350 [ 3945.981867][ T10] ret_from_fork+0x31/0x70 [ 3945.981867][ T10] ret_from_fork_asm+0x1a/0x30 [ 3945.981867][ T10] [ 3945.983868][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3945.983868][ T10] netdev_get_by_index+0x5e/0x80 [ 3945.983868][ T10] fib6_nh_init+0x3d8/0x1580 [ 3945.983868][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3945.983868][ T10] ip6_route_add+0x1c/0x140 [ 3945.983868][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3945.983868][ T10] inet6_addr_add+0x4f8/0xa40 [ 3945.983868][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3945.983868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.983868][ T10] netlink_rcv_skb+0x130/0x360 [ 3945.983868][ T10] netlink_unicast+0x449/0x710 [ 3945.983868][ T10] netlink_sendmsg+0x723/0xbe0 [ 3945.983868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3945.983868][ T10] ___sys_sendmsg+0xee/0x170 [ 3945.983868][ T10] __sys_sendmsg+0xcd/0x170 [ 3945.983868][ T10] do_syscall_64+0xc6/0x1e0 [ 3945.983868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3945.983868][ T10] [ 3945.985863][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3945.985863][ T10] netdev_get_by_index+0x5e/0x80 [ 3945.985863][ T10] fib6_nh_init+0x3d8/0x1580 [ 3945.985863][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3945.985863][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3945.985863][ T10] ipv6_add_addr+0x411/0x2000 [ 3945.985863][ T10] inet6_addr_add+0x30e/0xa40 [ 3945.985863][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3945.985863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.985863][ T10] netlink_rcv_skb+0x130/0x360 [ 3945.985863][ T10] netlink_unicast+0x449/0x710 [ 3945.985863][ T10] netlink_sendmsg+0x723/0xbe0 [ 3945.985863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3945.985863][ T10] ___sys_sendmsg+0xee/0x170 [ 3945.985863][ T10] __sys_sendmsg+0xcd/0x170 [ 3945.985863][ T10] do_syscall_64+0xc6/0x1e0 [ 3945.985863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3945.985863][ T10] [ 3945.987861][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3945.987861][ T10] netdev_get_by_index+0x5e/0x80 [ 3945.987861][ T10] fib6_nh_init+0x3d8/0x1580 [ 3945.987861][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3945.987861][ T10] ip6_route_add+0x1c/0x140 [ 3945.987861][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3945.987861][ T10] addrconf_add_dev+0xe2/0x170 [ 3945.987861][ T10] inet6_addr_add+0x12f/0xa40 [ 3945.987861][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3945.987861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.987861][ T10] netlink_rcv_skb+0x130/0x360 [ 3945.987861][ T10] netlink_unicast+0x449/0x710 [ 3945.987861][ T10] netlink_sendmsg+0x723/0xbe0 [ 3945.987861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3945.987861][ T10] ___sys_sendmsg+0xee/0x170 [ 3945.987861][ T10] __sys_sendmsg+0xcd/0x170 [ 3945.987861][ T10] do_syscall_64+0xc6/0x1e0 [ 3945.987861][ T10] [ 3945.989832][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3945.989832][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3945.989832][ T10] ipv6_find_idev+0x102/0x170 [ 3945.989832][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3945.989832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.989832][ T10] netlink_rcv_skb+0x130/0x360 [ 3945.989832][ T10] netlink_unicast+0x449/0x710 [ 3945.989832][ T10] netlink_sendmsg+0x723/0xbe0 [ 3945.989832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3945.989832][ T10] ___sys_sendmsg+0xee/0x170 [ 3945.989832][ T10] __sys_sendmsg+0xcd/0x170 [ 3945.989832][ T10] do_syscall_64+0xc6/0x1e0 [ 3945.989832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3945.989832][ T10] [ 3945.991369][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3945.991369][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3945.991369][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3945.991369][ T10] ipv6_find_idev+0x102/0x170 [ 3945.991369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3945.991369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.991369][ T10] netlink_rcv_skb+0x130/0x360 [ 3945.991369][ T10] netlink_unicast+0x449/0x710 [ 3945.991369][ T10] netlink_sendmsg+0x723/0xbe0 [ 3945.991369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3945.991369][ T10] ___sys_sendmsg+0xee/0x170 [ 3945.991369][ T10] __sys_sendmsg+0xcd/0x170 [ 3945.991369][ T10] do_syscall_64+0xc6/0x1e0 [ 3945.991369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3945.991369][ T10] [ 3945.993170][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3945.993408][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3945.993408][ T10] netdev_get_by_index+0x5e/0x80 [ 3945.993408][ T10] fib6_nh_init+0x3d8/0x1580 [ 3945.993408][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3945.993408][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3945.993408][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3945.993408][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3945.993408][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3945.993408][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3945.993408][ T10] addrconf_dad_begin+0x310/0x670 [ 3945.993408][ T10] addrconf_dad_work+0x10b/0xab0 [ 3945.993408][ T10] process_one_work+0x84d/0x18a0 [ 3945.993408][ T10] worker_thread+0x587/0xd30 [ 3945.993408][ T10] kthread+0x28a/0x350 [ 3945.993408][ T10] ret_from_fork+0x31/0x70 [ 3945.993408][ T10] ret_from_fork_asm+0x1a/0x30 [ 3945.993408][ T10] [ 3945.995306][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3945.995306][ T10] netdev_get_by_index+0x5e/0x80 [ 3945.995306][ T10] fib6_nh_init+0x3d8/0x1580 [ 3945.995306][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3945.995306][ T10] ip6_route_add+0x1c/0x140 [ 3945.995306][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3945.995306][ T10] inet6_addr_add+0x4f8/0xa40 [ 3945.995306][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3945.995306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.995306][ T10] netlink_rcv_skb+0x130/0x360 [ 3945.995306][ T10] netlink_unicast+0x449/0x710 [ 3945.995306][ T10] netlink_sendmsg+0x723/0xbe0 [ 3945.995306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3945.995306][ T10] ___sys_sendmsg+0xee/0x170 [ 3945.995306][ T10] __sys_sendmsg+0xcd/0x170 [ 3945.995306][ T10] do_syscall_64+0xc6/0x1e0 [ 3945.995306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3945.995306][ T10] [ 3945.997476][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3945.997476][ T10] netdev_get_by_index+0x5e/0x80 [ 3945.997476][ T10] fib6_nh_init+0x3d8/0x1580 [ 3945.997476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3945.997476][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3945.997476][ T10] ipv6_add_addr+0x411/0x2000 [ 3945.997476][ T10] inet6_addr_add+0x30e/0xa40 [ 3945.997476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3945.997476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.997476][ T10] netlink_rcv_skb+0x130/0x360 [ 3945.997476][ T10] netlink_unicast+0x449/0x710 [ 3945.997476][ T10] netlink_sendmsg+0x723/0xbe0 [ 3945.997476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3945.997476][ T10] ___sys_sendmsg+0xee/0x170 [ 3945.997476][ T10] __sys_sendmsg+0xcd/0x170 [ 3945.997476][ T10] do_syscall_64+0xc6/0x1e0 [ 3945.997476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3945.997476][ T10] [ 3945.999762][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3945.999762][ T10] netdev_get_by_index+0x5e/0x80 [ 3945.999762][ T10] fib6_nh_init+0x3d8/0x1580 [ 3945.999762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3945.999762][ T10] ip6_route_add+0x1c/0x140 [ 3945.999762][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3945.999762][ T10] addrconf_add_dev+0xe2/0x170 [ 3945.999762][ T10] inet6_addr_add+0x12f/0xa40 [ 3945.999762][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3945.999762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3945.999762][ T10] netlink_rcv_skb+0x130/0x360 [ 3945.999762][ T10] netlink_unicast+0x449/0x710 [ 3945.999762][ T10] netlink_sendmsg+0x723/0xbe0 [ 3945.999762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3945.999762][ T10] ___sys_sendmsg+0xee/0x170 [ 3945.999762][ T10] __sys_sendmsg+0xcd/0x170 [ 3945.999762][ T10] do_syscall_64+0xc6/0x1e0 [ 3945.999762][ T10] [ 3946.001914][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3946.001914][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3946.001914][ T10] ipv6_find_idev+0x102/0x170 [ 3946.001914][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3946.001914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3946.001914][ T10] netlink_rcv_skb+0x130/0x360 [ 3946.001914][ T10] netlink_unicast+0x449/0x710 [ 3946.001914][ T10] netlink_sendmsg+0x723/0xbe0 [ 3946.001914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3946.001914][ T10] ___sys_sendmsg+0xee/0x170 [ 3946.001914][ T10] __sys_sendmsg+0xcd/0x170 [ 3946.001914][ T10] do_syscall_64+0xc6/0x1e0 [ 3946.001914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3946.001914][ T10] [ 3946.003624][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3946.003624][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3946.003624][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3946.003624][ T10] ipv6_find_idev+0x102/0x170 [ 3946.003624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3946.003624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3946.003624][ T10] netlink_rcv_skb+0x130/0x360 [ 3946.003624][ T10] netlink_unicast+0x449/0x710 [ 3946.003624][ T10] netlink_sendmsg+0x723/0xbe0 [ 3946.003624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3946.003624][ T10] ___sys_sendmsg+0xee/0x170 [ 3946.003624][ T10] __sys_sendmsg+0xcd/0x170 [ 3946.003624][ T10] do_syscall_64+0xc6/0x1e0 [ 3946.003624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3946.003624][ T10] [ 3946.005538][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3946.005778][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3946.005778][ T10] netdev_get_by_index+0x5e/0x80 [ 3946.005778][ T10] fib6_nh_init+0x3d8/0x1580 [ 3946.005778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3946.005778][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3946.005778][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3946.005778][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3946.005778][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3946.005778][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3946.005778][ T10] addrconf_dad_begin+0x310/0x670 [ 3946.005778][ T10] addrconf_dad_work+0x10b/0xab0 [ 3946.005778][ T10] process_one_work+0x84d/0x18a0 [ 3946.005778][ T10] worker_thread+0x587/0xd30 [ 3946.005778][ T10] kthread+0x28a/0x350 [ 3946.005778][ T10] ret_from_fork+0x31/0x70 [ 3946.005778][ T10] ret_from_fork_asm+0x1a/0x30 [ 3946.005778][ T10] [ 3946.007977][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3946.007977][ T10] netdev_get_by_index+0x5e/0x80 [ 3946.007977][ T10] fib6_nh_init+0x3d8/0x1580 [ 3946.007977][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3946.007977][ T10] ip6_route_add+0x1c/0x140 [ 3946.007977][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3946.007977][ T10] inet6_addr_add+0x4f8/0xa40 [ 3946.007977][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3946.007977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3946.007977][ T10] netlink_rcv_skb+0x130/0x360 [ 3946.007977][ T10] netlink_unicast+0x449/0x710 [ 3946.007977][ T10] netlink_sendmsg+0x723/0xbe0 [ 3946.007977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3946.007977][ T10] ___sys_sendmsg+0xee/0x170 [ 3946.007977][ T10] __sys_sendmsg+0xcd/0x170 [ 3946.007977][ T10] do_syscall_64+0xc6/0x1e0 [ 3946.007977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3946.007977][ T10] [ 3946.010158][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3946.010158][ T10] netdev_get_by_index+0x5e/0x80 [ 3946.010158][ T10] fib6_nh_init+0x3d8/0x1580 [ 3946.010158][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3946.010158][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3946.010158][ T10] ipv6_add_addr+0x411/0x2000 [ 3946.010158][ T10] inet6_addr_add+0x30e/0xa40 [ 3946.010158][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3946.010158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3946.010158][ T10] netlink_rcv_skb+0x130/0x360 [ 3946.010158][ T10] netlink_unicast+0x449/0x710 [ 3946.010158][ T10] netlink_sendmsg+0x723/0xbe0 [ 3946.010158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3946.010158][ T10] ___sys_sendmsg+0xee/0x170 [ 3946.010158][ T10] __sys_sendmsg+0xcd/0x170 [ 3946.010158][ T10] do_syscall_64+0xc6/0x1e0 [ 3946.010158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3946.010158][ T10] [ 3946.012376][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3946.012376][ T10] netdev_get_by_index+0x5e/0x80 [ 3946.012376][ T10] fib6_nh_init+0x3d8/0x1580 [ 3946.012376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3946.012376][ T10] ip6_route_add+0x1c/0x140 [ 3946.012376][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3946.012376][ T10] addrconf_add_dev+0xe2/0x170 [ 3946.012376][ T10] inet6_addr_add+0x12f/0xa40 [ 3946.012376][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3946.012376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3946.012376][ T10] netlink_rcv_skb+0x130/0x360 [ 3946.012376][ T10] netlink_unicast+0x449/0x710 [ 3946.012376][ T10] netlink_sendmsg+0x723/0xbe0 [ 3946.012376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3946.012376][ T10] ___sys_sendmsg+0xee/0x170 [ 3946.012376][ T10] __sys_sendmsg+0xcd/0x170 [ 3946.012376][ T10] do_syscall_64+0xc6/0x1e0 [ 3946.012376][ T10] [ 3946.014570][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3946.014570][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3946.014570][ T10] ipv6_find_idev+0x102/0x170 [ 3946.014570][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3946.014570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3946.014570][ T10] netlink_rcv_skb+0x130/0x360 [ 3946.014570][ T10] netlink_unicast+0x449/0x710 [ 3946.014570][ T10] netlink_sendmsg+0x723/0xbe0 [ 3946.014570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3946.014570][ T10] ___sys_sendmsg+0xee/0x170 [ 3946.014570][ T10] __sys_sendmsg+0xcd/0x170 [ 3946.014570][ T10] do_syscall_64+0xc6/0x1e0 [ 3946.014570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3946.014570][ T10] [ 3946.016281][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3946.016281][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3946.016281][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3946.016281][ T10] ipv6_find_idev+0x102/0x170 [ 3946.016281][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3946.016281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3946.016281][ T10] netlink_rcv_skb+0x130/0x360 [ 3946.016281][ T10] netlink_unicast+0x449/0x710 [ 3946.016281][ T10] netlink_sendmsg+0x723/0xbe0 [ 3946.016281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3946.016281][ T10] ___sys_sendmsg+0xee/0x170 [ 3946.016281][ T10] __sys_sendmsg+0xcd/0x170 [ 3946.016281][ T10] do_syscall_64+0xc6/0x1e0 [ 3946.016281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3946.016281][ T10] [ 3953.905143][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3953.905620][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3953.905620][ T1167] dst_init+0x84/0x4a0 [ 3953.905620][ T1167] dst_alloc+0x97/0x150 [ 3953.905620][ T1167] ip6_dst_alloc+0x23/0x90 [ 3953.905620][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3953.905620][ T1167] ip6_pol_route+0x56f/0x840 [ 3953.905620][ T1167] fib6_rule_lookup+0x334/0x630 [ 3953.905620][ T1167] ip6_route_output_flags+0x259/0x480 [ 3953.905620][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3953.905620][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3953.905620][ T1167] netlink_rcv_skb+0x130/0x360 [ 3953.905620][ T1167] netlink_unicast+0x449/0x710 [ 3953.905620][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3953.905620][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3953.905620][ T1167] ___sys_sendmsg+0xee/0x170 [ 3953.905620][ T1167] __sys_sendmsg+0xcd/0x170 [ 3953.905620][ T1167] do_syscall_64+0xc6/0x1e0 [ 3953.905620][ T1167] [ 3953.907829][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3953.907829][ T1167] netdev_get_by_index+0x5e/0x80 [ 3953.907829][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3953.907829][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3953.907829][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3953.907829][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3953.907829][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3953.907829][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3953.907829][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3953.907829][ T1167] addrconf_dad_begin+0x310/0x670 [ 3953.907829][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3953.907829][ T1167] process_one_work+0x84d/0x18a0 [ 3953.907829][ T1167] worker_thread+0x587/0xd30 [ 3953.907829][ T1167] kthread+0x28a/0x350 [ 3953.907829][ T1167] ret_from_fork+0x31/0x70 [ 3953.907829][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3953.907829][ T1167] [ 3953.909994][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3953.909994][ T1167] netdev_get_by_index+0x5e/0x80 [ 3953.909994][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3953.909994][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3953.909994][ T1167] ip6_route_add+0x1c/0x140 [ 3953.909994][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3953.909994][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3953.909994][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3953.909994][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3953.909994][ T1167] netlink_rcv_skb+0x130/0x360 [ 3953.909994][ T1167] netlink_unicast+0x449/0x710 [ 3953.909994][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3953.909994][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3953.909994][ T1167] ___sys_sendmsg+0xee/0x170 [ 3953.909994][ T1167] __sys_sendmsg+0xcd/0x170 [ 3953.909994][ T1167] do_syscall_64+0xc6/0x1e0 [ 3953.909994][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3953.909994][ T1167] [ 3953.912239][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3953.912239][ T1167] netdev_get_by_index+0x5e/0x80 [ 3953.912239][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3953.912239][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3953.912239][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3953.912239][ T1167] ipv6_add_addr+0x411/0x2000 [ 3953.912239][ T1167] inet6_addr_add+0x30e/0xa40 [ 3953.912239][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3953.912239][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3953.912239][ T1167] netlink_rcv_skb+0x130/0x360 [ 3953.912239][ T1167] netlink_unicast+0x449/0x710 [ 3953.912239][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3953.912239][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3953.912239][ T1167] ___sys_sendmsg+0xee/0x170 [ 3953.912239][ T1167] __sys_sendmsg+0xcd/0x170 [ 3953.912239][ T1167] do_syscall_64+0xc6/0x1e0 [ 3953.912239][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3953.912239][ T1167] [ 3953.914479][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3953.914479][ T1167] netdev_get_by_index+0x5e/0x80 [ 3953.914479][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3953.914479][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3953.914479][ T1167] ip6_route_add+0x1c/0x140 [ 3953.914479][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3953.914479][ T1167] addrconf_add_dev+0xe2/0x170 [ 3953.914479][ T1167] inet6_addr_add+0x12f/0xa40 [ 3953.914479][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3953.914479][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3953.914479][ T1167] netlink_rcv_skb+0x130/0x360 [ 3953.914479][ T1167] netlink_unicast+0x449/0x710 [ 3953.914479][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3953.914479][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3953.914479][ T1167] ___sys_sendmsg+0xee/0x170 [ 3953.914479][ T1167] __sys_sendmsg+0xcd/0x170 [ 3953.914479][ T1167] do_syscall_64+0xc6/0x1e0 [ 3953.914479][ T1167] [ 3953.916681][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3953.916681][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3953.916681][ T1167] ipv6_find_idev+0x102/0x170 [ 3953.916681][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3953.916681][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3953.916681][ T1167] netlink_rcv_skb+0x130/0x360 [ 3953.916681][ T1167] netlink_unicast+0x449/0x710 [ 3953.916681][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3953.916681][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3953.916681][ T1167] ___sys_sendmsg+0xee/0x170 [ 3953.916681][ T1167] __sys_sendmsg+0xcd/0x170 [ 3953.916681][ T1167] do_syscall_64+0xc6/0x1e0 [ 3953.916681][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3953.916681][ T1167] [ 3953.918408][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3953.918408][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3953.918408][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3953.918408][ T1167] ipv6_find_idev+0x102/0x170 [ 3953.918408][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3953.918408][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3953.918408][ T1167] netlink_rcv_skb+0x130/0x360 [ 3953.918408][ T1167] netlink_unicast+0x449/0x710 [ 3953.918408][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3953.918408][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3953.918408][ T1167] ___sys_sendmsg+0xee/0x170 [ 3953.918408][ T1167] __sys_sendmsg+0xcd/0x170 [ 3953.918408][ T1167] do_syscall_64+0xc6/0x1e0 [ 3953.918408][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3953.918408][ T1167] [ 3956.209057][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3956.209512][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3956.209512][ T10] netdev_get_by_index+0x5e/0x80 [ 3956.209512][ T10] fib6_nh_init+0x3d8/0x1580 [ 3956.209512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3956.209512][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3956.209512][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3956.209512][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3956.209512][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3956.209512][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3956.209512][ T10] addrconf_dad_begin+0x310/0x670 [ 3956.209512][ T10] addrconf_dad_work+0x10b/0xab0 [ 3956.209512][ T10] process_one_work+0x84d/0x18a0 [ 3956.209512][ T10] worker_thread+0x587/0xd30 [ 3956.209512][ T10] kthread+0x28a/0x350 [ 3956.209512][ T10] ret_from_fork+0x31/0x70 [ 3956.209512][ T10] ret_from_fork_asm+0x1a/0x30 [ 3956.209512][ T10] [ 3956.211492][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3956.211492][ T10] netdev_get_by_index+0x5e/0x80 [ 3956.211492][ T10] fib6_nh_init+0x3d8/0x1580 [ 3956.211492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3956.211492][ T10] ip6_route_add+0x1c/0x140 [ 3956.211492][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3956.211492][ T10] inet6_addr_add+0x4f8/0xa40 [ 3956.211492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3956.211492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.211492][ T10] netlink_rcv_skb+0x130/0x360 [ 3956.211492][ T10] netlink_unicast+0x449/0x710 [ 3956.211492][ T10] netlink_sendmsg+0x723/0xbe0 [ 3956.211492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3956.211492][ T10] ___sys_sendmsg+0xee/0x170 [ 3956.211492][ T10] __sys_sendmsg+0xcd/0x170 [ 3956.211492][ T10] do_syscall_64+0xc6/0x1e0 [ 3956.211492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3956.211492][ T10] [ 3956.213516][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3956.213516][ T10] netdev_get_by_index+0x5e/0x80 [ 3956.213516][ T10] fib6_nh_init+0x3d8/0x1580 [ 3956.213516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3956.213516][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3956.213516][ T10] ipv6_add_addr+0x411/0x2000 [ 3956.213516][ T10] inet6_addr_add+0x30e/0xa40 [ 3956.213516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3956.213516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.213516][ T10] netlink_rcv_skb+0x130/0x360 [ 3956.213516][ T10] netlink_unicast+0x449/0x710 [ 3956.213516][ T10] netlink_sendmsg+0x723/0xbe0 [ 3956.213516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3956.213516][ T10] ___sys_sendmsg+0xee/0x170 [ 3956.213516][ T10] __sys_sendmsg+0xcd/0x170 [ 3956.213516][ T10] do_syscall_64+0xc6/0x1e0 [ 3956.213516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3956.213516][ T10] [ 3956.215535][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3956.215535][ T10] netdev_get_by_index+0x5e/0x80 [ 3956.215535][ T10] fib6_nh_init+0x3d8/0x1580 [ 3956.215535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3956.215535][ T10] ip6_route_add+0x1c/0x140 [ 3956.215535][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3956.215535][ T10] addrconf_add_dev+0xe2/0x170 [ 3956.215535][ T10] inet6_addr_add+0x12f/0xa40 [ 3956.215535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3956.215535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.215535][ T10] netlink_rcv_skb+0x130/0x360 [ 3956.215535][ T10] netlink_unicast+0x449/0x710 [ 3956.215535][ T10] netlink_sendmsg+0x723/0xbe0 [ 3956.215535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3956.215535][ T10] ___sys_sendmsg+0xee/0x170 [ 3956.215535][ T10] __sys_sendmsg+0xcd/0x170 [ 3956.215535][ T10] do_syscall_64+0xc6/0x1e0 [ 3956.215535][ T10] [ 3956.217524][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3956.217524][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3956.217524][ T10] ipv6_find_idev+0x102/0x170 [ 3956.217524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3956.217524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.217524][ T10] netlink_rcv_skb+0x130/0x360 [ 3956.217524][ T10] netlink_unicast+0x449/0x710 [ 3956.217524][ T10] netlink_sendmsg+0x723/0xbe0 [ 3956.217524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3956.217524][ T10] ___sys_sendmsg+0xee/0x170 [ 3956.217524][ T10] __sys_sendmsg+0xcd/0x170 [ 3956.217524][ T10] do_syscall_64+0xc6/0x1e0 [ 3956.217524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3956.217524][ T10] [ 3956.219081][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3956.219081][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3956.219081][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3956.219081][ T10] ipv6_find_idev+0x102/0x170 [ 3956.219081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3956.219081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.219081][ T10] netlink_rcv_skb+0x130/0x360 [ 3956.219081][ T10] netlink_unicast+0x449/0x710 [ 3956.219081][ T10] netlink_sendmsg+0x723/0xbe0 [ 3956.219081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3956.219081][ T10] ___sys_sendmsg+0xee/0x170 [ 3956.219081][ T10] __sys_sendmsg+0xcd/0x170 [ 3956.219081][ T10] do_syscall_64+0xc6/0x1e0 [ 3956.219081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3956.219081][ T10] [ 3956.220826][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3956.221129][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3956.221129][ T10] netdev_get_by_index+0x5e/0x80 [ 3956.221129][ T10] fib6_nh_init+0x3d8/0x1580 [ 3956.221129][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3956.221129][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3956.221129][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3956.221129][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3956.221129][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3956.221129][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3956.221129][ T10] addrconf_dad_begin+0x310/0x670 [ 3956.221129][ T10] addrconf_dad_work+0x10b/0xab0 [ 3956.221129][ T10] process_one_work+0x84d/0x18a0 [ 3956.221129][ T10] worker_thread+0x587/0xd30 [ 3956.221129][ T10] kthread+0x28a/0x350 [ 3956.221129][ T10] ret_from_fork+0x31/0x70 [ 3956.221129][ T10] ret_from_fork_asm+0x1a/0x30 [ 3956.221129][ T10] [ 3956.223067][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3956.223067][ T10] netdev_get_by_index+0x5e/0x80 [ 3956.223067][ T10] fib6_nh_init+0x3d8/0x1580 [ 3956.223067][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3956.223067][ T10] ip6_route_add+0x1c/0x140 [ 3956.223067][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3956.223067][ T10] inet6_addr_add+0x4f8/0xa40 [ 3956.223067][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3956.223067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.223067][ T10] netlink_rcv_skb+0x130/0x360 [ 3956.223067][ T10] netlink_unicast+0x449/0x710 [ 3956.223067][ T10] netlink_sendmsg+0x723/0xbe0 [ 3956.223067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3956.223067][ T10] ___sys_sendmsg+0xee/0x170 [ 3956.223067][ T10] __sys_sendmsg+0xcd/0x170 [ 3956.223067][ T10] do_syscall_64+0xc6/0x1e0 [ 3956.223067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3956.223067][ T10] [ 3956.225080][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3956.225080][ T10] netdev_get_by_index+0x5e/0x80 [ 3956.225080][ T10] fib6_nh_init+0x3d8/0x1580 [ 3956.225080][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3956.225080][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3956.225080][ T10] ipv6_add_addr+0x411/0x2000 [ 3956.225080][ T10] inet6_addr_add+0x30e/0xa40 [ 3956.225080][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3956.225080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.225080][ T10] netlink_rcv_skb+0x130/0x360 [ 3956.225080][ T10] netlink_unicast+0x449/0x710 [ 3956.225080][ T10] netlink_sendmsg+0x723/0xbe0 [ 3956.225080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3956.225080][ T10] ___sys_sendmsg+0xee/0x170 [ 3956.225080][ T10] __sys_sendmsg+0xcd/0x170 [ 3956.225080][ T10] do_syscall_64+0xc6/0x1e0 [ 3956.225080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3956.225080][ T10] [ 3956.227110][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3956.227110][ T10] netdev_get_by_index+0x5e/0x80 [ 3956.227110][ T10] fib6_nh_init+0x3d8/0x1580 [ 3956.227110][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3956.227110][ T10] ip6_route_add+0x1c/0x140 [ 3956.227110][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3956.227110][ T10] addrconf_add_dev+0xe2/0x170 [ 3956.227110][ T10] inet6_addr_add+0x12f/0xa40 [ 3956.227110][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3956.227110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.227110][ T10] netlink_rcv_skb+0x130/0x360 [ 3956.227110][ T10] netlink_unicast+0x449/0x710 [ 3956.227110][ T10] netlink_sendmsg+0x723/0xbe0 [ 3956.227110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3956.227110][ T10] ___sys_sendmsg+0xee/0x170 [ 3956.227110][ T10] __sys_sendmsg+0xcd/0x170 [ 3956.227110][ T10] do_syscall_64+0xc6/0x1e0 [ 3956.227110][ T10] [ 3956.229137][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3956.229137][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3956.229137][ T10] ipv6_find_idev+0x102/0x170 [ 3956.229137][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3956.229137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.229137][ T10] netlink_rcv_skb+0x130/0x360 [ 3956.229137][ T10] netlink_unicast+0x449/0x710 [ 3956.229137][ T10] netlink_sendmsg+0x723/0xbe0 [ 3956.229137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3956.229137][ T10] ___sys_sendmsg+0xee/0x170 [ 3956.229137][ T10] __sys_sendmsg+0xcd/0x170 [ 3956.229137][ T10] do_syscall_64+0xc6/0x1e0 [ 3956.229137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3956.229137][ T10] [ 3956.230712][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3956.230712][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3956.230712][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3956.230712][ T10] ipv6_find_idev+0x102/0x170 [ 3956.230712][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3956.230712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.230712][ T10] netlink_rcv_skb+0x130/0x360 [ 3956.230712][ T10] netlink_unicast+0x449/0x710 [ 3956.230712][ T10] netlink_sendmsg+0x723/0xbe0 [ 3956.230712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3956.230712][ T10] ___sys_sendmsg+0xee/0x170 [ 3956.230712][ T10] __sys_sendmsg+0xcd/0x170 [ 3956.230712][ T10] do_syscall_64+0xc6/0x1e0 [ 3956.230712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3956.230712][ T10] [ 3956.232423][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3956.232666][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3956.232666][ T10] netdev_get_by_index+0x5e/0x80 [ 3956.232666][ T10] fib6_nh_init+0x3d8/0x1580 [ 3956.232666][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3956.232666][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3956.232666][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3956.232666][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3956.232666][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3956.232666][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3956.232666][ T10] addrconf_dad_begin+0x310/0x670 [ 3956.232666][ T10] addrconf_dad_work+0x10b/0xab0 [ 3956.232666][ T10] process_one_work+0x84d/0x18a0 [ 3956.232666][ T10] worker_thread+0x587/0xd30 [ 3956.232666][ T10] kthread+0x28a/0x350 [ 3956.232666][ T10] ret_from_fork+0x31/0x70 [ 3956.232666][ T10] ret_from_fork_asm+0x1a/0x30 [ 3956.232666][ T10] [ 3956.234600][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3956.234600][ T10] netdev_get_by_index+0x5e/0x80 [ 3956.234600][ T10] fib6_nh_init+0x3d8/0x1580 [ 3956.234600][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3956.234600][ T10] ip6_route_add+0x1c/0x140 [ 3956.234600][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3956.234600][ T10] inet6_addr_add+0x4f8/0xa40 [ 3956.234600][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3956.234600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.234600][ T10] netlink_rcv_skb+0x130/0x360 [ 3956.234600][ T10] netlink_unicast+0x449/0x710 [ 3956.234600][ T10] netlink_sendmsg+0x723/0xbe0 [ 3956.234600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3956.234600][ T10] ___sys_sendmsg+0xee/0x170 [ 3956.234600][ T10] __sys_sendmsg+0xcd/0x170 [ 3956.234600][ T10] do_syscall_64+0xc6/0x1e0 [ 3956.234600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3956.234600][ T10] [ 3956.236742][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3956.236742][ T10] netdev_get_by_index+0x5e/0x80 [ 3956.236742][ T10] fib6_nh_init+0x3d8/0x1580 [ 3956.236742][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3956.236742][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3956.236742][ T10] ipv6_add_addr+0x411/0x2000 [ 3956.236742][ T10] inet6_addr_add+0x30e/0xa40 [ 3956.236742][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3956.236742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.236742][ T10] netlink_rcv_skb+0x130/0x360 [ 3956.236742][ T10] netlink_unicast+0x449/0x710 [ 3956.236742][ T10] netlink_sendmsg+0x723/0xbe0 [ 3956.236742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3956.236742][ T10] ___sys_sendmsg+0xee/0x170 [ 3956.236742][ T10] __sys_sendmsg+0xcd/0x170 [ 3956.236742][ T10] do_syscall_64+0xc6/0x1e0 [ 3956.236742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3956.236742][ T10] [ 3956.238911][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3956.238911][ T10] netdev_get_by_index+0x5e/0x80 [ 3956.238911][ T10] fib6_nh_init+0x3d8/0x1580 [ 3956.238911][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3956.238911][ T10] ip6_route_add+0x1c/0x140 [ 3956.238911][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3956.238911][ T10] addrconf_add_dev+0xe2/0x170 [ 3956.238911][ T10] inet6_addr_add+0x12f/0xa40 [ 3956.238911][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3956.238911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.238911][ T10] netlink_rcv_skb+0x130/0x360 [ 3956.238911][ T10] netlink_unicast+0x449/0x710 [ 3956.238911][ T10] netlink_sendmsg+0x723/0xbe0 [ 3956.238911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3956.238911][ T10] ___sys_sendmsg+0xee/0x170 [ 3956.238911][ T10] __sys_sendmsg+0xcd/0x170 [ 3956.238911][ T10] do_syscall_64+0xc6/0x1e0 [ 3956.238911][ T10] [ 3956.241033][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3956.241033][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3956.241033][ T10] ipv6_find_idev+0x102/0x170 [ 3956.241033][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3956.241033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.241033][ T10] netlink_rcv_skb+0x130/0x360 [ 3956.241033][ T10] netlink_unicast+0x449/0x710 [ 3956.241033][ T10] netlink_sendmsg+0x723/0xbe0 [ 3956.241033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3956.241033][ T10] ___sys_sendmsg+0xee/0x170 [ 3956.241033][ T10] __sys_sendmsg+0xcd/0x170 [ 3956.241033][ T10] do_syscall_64+0xc6/0x1e0 [ 3956.241033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3956.241033][ T10] [ 3956.242729][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3956.242729][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3956.242729][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3956.242729][ T10] ipv6_find_idev+0x102/0x170 [ 3956.242729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3956.242729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.242729][ T10] netlink_rcv_skb+0x130/0x360 [ 3956.242729][ T10] netlink_unicast+0x449/0x710 [ 3956.242729][ T10] netlink_sendmsg+0x723/0xbe0 [ 3956.242729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3956.242729][ T10] ___sys_sendmsg+0xee/0x170 [ 3956.242729][ T10] __sys_sendmsg+0xcd/0x170 [ 3956.242729][ T10] do_syscall_64+0xc6/0x1e0 [ 3956.242729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3956.242729][ T10] [ 3956.244904][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3956.245579][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3956.245579][ T10] netdev_get_by_index+0x5e/0x80 [ 3956.245579][ T10] fib6_nh_init+0x3d8/0x1580 [ 3956.245579][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3956.245579][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3956.245579][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3956.245579][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3956.245579][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3956.245579][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3956.245579][ T10] addrconf_dad_begin+0x310/0x670 [ 3956.245579][ T10] addrconf_dad_work+0x10b/0xab0 [ 3956.245579][ T10] process_one_work+0x84d/0x18a0 [ 3956.245579][ T10] worker_thread+0x587/0xd30 [ 3956.245579][ T10] kthread+0x28a/0x350 [ 3956.245579][ T10] ret_from_fork+0x31/0x70 [ 3956.245579][ T10] ret_from_fork_asm+0x1a/0x30 [ 3956.245579][ T10] [ 3956.247509][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3956.247509][ T10] netdev_get_by_index+0x5e/0x80 [ 3956.247509][ T10] fib6_nh_init+0x3d8/0x1580 [ 3956.247509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3956.247509][ T10] ip6_route_add+0x1c/0x140 [ 3956.247509][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3956.247509][ T10] inet6_addr_add+0x4f8/0xa40 [ 3956.247509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3956.247509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.247509][ T10] netlink_rcv_skb+0x130/0x360 [ 3956.247509][ T10] netlink_unicast+0x449/0x710 [ 3956.247509][ T10] netlink_sendmsg+0x723/0xbe0 [ 3956.247509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3956.247509][ T10] ___sys_sendmsg+0xee/0x170 [ 3956.247509][ T10] __sys_sendmsg+0xcd/0x170 [ 3956.247509][ T10] do_syscall_64+0xc6/0x1e0 [ 3956.247509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3956.247509][ T10] [ 3956.249533][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3956.249533][ T10] netdev_get_by_index+0x5e/0x80 [ 3956.249533][ T10] fib6_nh_init+0x3d8/0x1580 [ 3956.249533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3956.249533][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3956.249533][ T10] ipv6_add_addr+0x411/0x2000 [ 3956.249533][ T10] inet6_addr_add+0x30e/0xa40 [ 3956.249533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3956.249533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.249533][ T10] netlink_rcv_skb+0x130/0x360 [ 3956.249533][ T10] netlink_unicast+0x449/0x710 [ 3956.249533][ T10] netlink_sendmsg+0x723/0xbe0 [ 3956.249533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3956.249533][ T10] ___sys_sendmsg+0xee/0x170 [ 3956.249533][ T10] __sys_sendmsg+0xcd/0x170 [ 3956.249533][ T10] do_syscall_64+0xc6/0x1e0 [ 3956.249533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3956.249533][ T10] [ 3956.251561][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3956.251561][ T10] netdev_get_by_index+0x5e/0x80 [ 3956.251561][ T10] fib6_nh_init+0x3d8/0x1580 [ 3956.251561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3956.251561][ T10] ip6_route_add+0x1c/0x140 [ 3956.251561][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3956.251561][ T10] addrconf_add_dev+0xe2/0x170 [ 3956.251561][ T10] inet6_addr_add+0x12f/0xa40 [ 3956.251561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3956.251561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.251561][ T10] netlink_rcv_skb+0x130/0x360 [ 3956.251561][ T10] netlink_unicast+0x449/0x710 [ 3956.251561][ T10] netlink_sendmsg+0x723/0xbe0 [ 3956.251561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3956.251561][ T10] ___sys_sendmsg+0xee/0x170 [ 3956.251561][ T10] __sys_sendmsg+0xcd/0x170 [ 3956.251561][ T10] do_syscall_64+0xc6/0x1e0 [ 3956.251561][ T10] [ 3956.253737][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3956.253737][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3956.253737][ T10] ipv6_find_idev+0x102/0x170 [ 3956.253737][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3956.253737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.253737][ T10] netlink_rcv_skb+0x130/0x360 [ 3956.253737][ T10] netlink_unicast+0x449/0x710 [ 3956.253737][ T10] netlink_sendmsg+0x723/0xbe0 [ 3956.253737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3956.253737][ T10] ___sys_sendmsg+0xee/0x170 [ 3956.253737][ T10] __sys_sendmsg+0xcd/0x170 [ 3956.253737][ T10] do_syscall_64+0xc6/0x1e0 [ 3956.253737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3956.253737][ T10] [ 3956.255358][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3956.255358][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3956.255358][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3956.255358][ T10] ipv6_find_idev+0x102/0x170 [ 3956.255358][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3956.255358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.255358][ T10] netlink_rcv_skb+0x130/0x360 [ 3956.255358][ T10] netlink_unicast+0x449/0x710 [ 3956.255358][ T10] netlink_sendmsg+0x723/0xbe0 [ 3956.255358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3956.255358][ T10] ___sys_sendmsg+0xee/0x170 [ 3956.255358][ T10] __sys_sendmsg+0xcd/0x170 [ 3956.255358][ T10] do_syscall_64+0xc6/0x1e0 [ 3956.255358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3956.255358][ T10] [ 3964.169167][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3964.169658][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3964.169658][ T1167] dst_init+0x84/0x4a0 [ 3964.169658][ T1167] dst_alloc+0x97/0x150 [ 3964.169658][ T1167] ip6_dst_alloc+0x23/0x90 [ 3964.169658][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3964.169658][ T1167] ip6_pol_route+0x56f/0x840 [ 3964.169658][ T1167] fib6_rule_lookup+0x334/0x630 [ 3964.169658][ T1167] ip6_route_output_flags+0x259/0x480 [ 3964.169658][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3964.169658][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3964.169658][ T1167] netlink_rcv_skb+0x130/0x360 [ 3964.169658][ T1167] netlink_unicast+0x449/0x710 [ 3964.169658][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3964.169658][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3964.169658][ T1167] ___sys_sendmsg+0xee/0x170 [ 3964.169658][ T1167] __sys_sendmsg+0xcd/0x170 [ 3964.169658][ T1167] do_syscall_64+0xc6/0x1e0 [ 3964.169658][ T1167] [ 3964.171861][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3964.171861][ T1167] netdev_get_by_index+0x5e/0x80 [ 3964.171861][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3964.171861][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3964.171861][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3964.171861][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3964.171861][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3964.171861][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3964.171861][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3964.171861][ T1167] addrconf_dad_begin+0x310/0x670 [ 3964.171861][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3964.171861][ T1167] process_one_work+0x84d/0x18a0 [ 3964.171861][ T1167] worker_thread+0x587/0xd30 [ 3964.171861][ T1167] kthread+0x28a/0x350 [ 3964.171861][ T1167] ret_from_fork+0x31/0x70 [ 3964.171861][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3964.171861][ T1167] [ 3964.174001][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3964.174001][ T1167] netdev_get_by_index+0x5e/0x80 [ 3964.174001][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3964.174001][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3964.174001][ T1167] ip6_route_add+0x1c/0x140 [ 3964.174001][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3964.174001][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3964.174001][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3964.174001][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3964.174001][ T1167] netlink_rcv_skb+0x130/0x360 [ 3964.174001][ T1167] netlink_unicast+0x449/0x710 [ 3964.174001][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3964.174001][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3964.174001][ T1167] ___sys_sendmsg+0xee/0x170 [ 3964.174001][ T1167] __sys_sendmsg+0xcd/0x170 [ 3964.174001][ T1167] do_syscall_64+0xc6/0x1e0 [ 3964.174001][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3964.174001][ T1167] [ 3964.176238][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3964.176238][ T1167] netdev_get_by_index+0x5e/0x80 [ 3964.176238][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3964.176238][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3964.176238][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3964.176238][ T1167] ipv6_add_addr+0x411/0x2000 [ 3964.176238][ T1167] inet6_addr_add+0x30e/0xa40 [ 3964.176238][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3964.176238][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3964.176238][ T1167] netlink_rcv_skb+0x130/0x360 [ 3964.176238][ T1167] netlink_unicast+0x449/0x710 [ 3964.176238][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3964.176238][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3964.176238][ T1167] ___sys_sendmsg+0xee/0x170 [ 3964.176238][ T1167] __sys_sendmsg+0xcd/0x170 [ 3964.176238][ T1167] do_syscall_64+0xc6/0x1e0 [ 3964.176238][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3964.176238][ T1167] [ 3964.178474][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3964.178474][ T1167] netdev_get_by_index+0x5e/0x80 [ 3964.178474][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3964.178474][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3964.178474][ T1167] ip6_route_add+0x1c/0x140 [ 3964.178474][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3964.178474][ T1167] addrconf_add_dev+0xe2/0x170 [ 3964.178474][ T1167] inet6_addr_add+0x12f/0xa40 [ 3964.178474][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3964.178474][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3964.178474][ T1167] netlink_rcv_skb+0x130/0x360 [ 3964.178474][ T1167] netlink_unicast+0x449/0x710 [ 3964.178474][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3964.178474][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3964.178474][ T1167] ___sys_sendmsg+0xee/0x170 [ 3964.178474][ T1167] __sys_sendmsg+0xcd/0x170 [ 3964.178474][ T1167] do_syscall_64+0xc6/0x1e0 [ 3964.178474][ T1167] [ 3964.180680][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3964.180680][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3964.180680][ T1167] ipv6_find_idev+0x102/0x170 [ 3964.180680][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3964.180680][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3964.180680][ T1167] netlink_rcv_skb+0x130/0x360 [ 3964.180680][ T1167] netlink_unicast+0x449/0x710 [ 3964.180680][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3964.180680][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3964.180680][ T1167] ___sys_sendmsg+0xee/0x170 [ 3964.180680][ T1167] __sys_sendmsg+0xcd/0x170 [ 3964.180680][ T1167] do_syscall_64+0xc6/0x1e0 [ 3964.180680][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3964.180680][ T1167] [ 3964.182433][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3964.182433][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3964.182433][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3964.182433][ T1167] ipv6_find_idev+0x102/0x170 [ 3964.182433][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3964.182433][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3964.182433][ T1167] netlink_rcv_skb+0x130/0x360 [ 3964.182433][ T1167] netlink_unicast+0x449/0x710 [ 3964.182433][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3964.182433][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3964.182433][ T1167] ___sys_sendmsg+0xee/0x170 [ 3964.182433][ T1167] __sys_sendmsg+0xcd/0x170 [ 3964.182433][ T1167] do_syscall_64+0xc6/0x1e0 [ 3964.182433][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3964.182433][ T1167] [ 3966.497120][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3966.497550][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3966.497550][ T10] netdev_get_by_index+0x5e/0x80 [ 3966.497550][ T10] fib6_nh_init+0x3d8/0x1580 [ 3966.497550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3966.497550][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3966.497550][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3966.497550][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3966.497550][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3966.497550][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3966.497550][ T10] addrconf_dad_begin+0x310/0x670 [ 3966.497550][ T10] addrconf_dad_work+0x10b/0xab0 [ 3966.497550][ T10] process_one_work+0x84d/0x18a0 [ 3966.497550][ T10] worker_thread+0x587/0xd30 [ 3966.497550][ T10] kthread+0x28a/0x350 [ 3966.497550][ T10] ret_from_fork+0x31/0x70 [ 3966.497550][ T10] ret_from_fork_asm+0x1a/0x30 [ 3966.497550][ T10] [ 3966.499524][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3966.499524][ T10] netdev_get_by_index+0x5e/0x80 [ 3966.499524][ T10] fib6_nh_init+0x3d8/0x1580 [ 3966.499524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3966.499524][ T10] ip6_route_add+0x1c/0x140 [ 3966.499524][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3966.499524][ T10] inet6_addr_add+0x4f8/0xa40 [ 3966.499524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3966.499524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.499524][ T10] netlink_rcv_skb+0x130/0x360 [ 3966.499524][ T10] netlink_unicast+0x449/0x710 [ 3966.499524][ T10] netlink_sendmsg+0x723/0xbe0 [ 3966.499524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3966.499524][ T10] ___sys_sendmsg+0xee/0x170 [ 3966.499524][ T10] __sys_sendmsg+0xcd/0x170 [ 3966.499524][ T10] do_syscall_64+0xc6/0x1e0 [ 3966.499524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.499524][ T10] [ 3966.501551][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3966.501551][ T10] netdev_get_by_index+0x5e/0x80 [ 3966.501551][ T10] fib6_nh_init+0x3d8/0x1580 [ 3966.501551][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3966.501551][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3966.501551][ T10] ipv6_add_addr+0x411/0x2000 [ 3966.501551][ T10] inet6_addr_add+0x30e/0xa40 [ 3966.501551][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3966.501551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.501551][ T10] netlink_rcv_skb+0x130/0x360 [ 3966.501551][ T10] netlink_unicast+0x449/0x710 [ 3966.501551][ T10] netlink_sendmsg+0x723/0xbe0 [ 3966.501551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3966.501551][ T10] ___sys_sendmsg+0xee/0x170 [ 3966.501551][ T10] __sys_sendmsg+0xcd/0x170 [ 3966.501551][ T10] do_syscall_64+0xc6/0x1e0 [ 3966.501551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.501551][ T10] [ 3966.503570][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3966.503570][ T10] netdev_get_by_index+0x5e/0x80 [ 3966.503570][ T10] fib6_nh_init+0x3d8/0x1580 [ 3966.503570][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3966.503570][ T10] ip6_route_add+0x1c/0x140 [ 3966.503570][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3966.503570][ T10] addrconf_add_dev+0xe2/0x170 [ 3966.503570][ T10] inet6_addr_add+0x12f/0xa40 [ 3966.503570][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3966.503570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.503570][ T10] netlink_rcv_skb+0x130/0x360 [ 3966.503570][ T10] netlink_unicast+0x449/0x710 [ 3966.503570][ T10] netlink_sendmsg+0x723/0xbe0 [ 3966.503570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3966.503570][ T10] ___sys_sendmsg+0xee/0x170 [ 3966.503570][ T10] __sys_sendmsg+0xcd/0x170 [ 3966.503570][ T10] do_syscall_64+0xc6/0x1e0 [ 3966.503570][ T10] [ 3966.505548][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3966.505548][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3966.505548][ T10] ipv6_find_idev+0x102/0x170 [ 3966.505548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3966.505548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.505548][ T10] netlink_rcv_skb+0x130/0x360 [ 3966.505548][ T10] netlink_unicast+0x449/0x710 [ 3966.505548][ T10] netlink_sendmsg+0x723/0xbe0 [ 3966.505548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3966.505548][ T10] ___sys_sendmsg+0xee/0x170 [ 3966.505548][ T10] __sys_sendmsg+0xcd/0x170 [ 3966.505548][ T10] do_syscall_64+0xc6/0x1e0 [ 3966.505548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.505548][ T10] [ 3966.507093][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3966.507093][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3966.507093][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3966.507093][ T10] ipv6_find_idev+0x102/0x170 [ 3966.507093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3966.507093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.507093][ T10] netlink_rcv_skb+0x130/0x360 [ 3966.507093][ T10] netlink_unicast+0x449/0x710 [ 3966.507093][ T10] netlink_sendmsg+0x723/0xbe0 [ 3966.507093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3966.507093][ T10] ___sys_sendmsg+0xee/0x170 [ 3966.507093][ T10] __sys_sendmsg+0xcd/0x170 [ 3966.507093][ T10] do_syscall_64+0xc6/0x1e0 [ 3966.507093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.507093][ T10] [ 3966.508794][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3966.509044][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3966.509044][ T10] netdev_get_by_index+0x5e/0x80 [ 3966.509044][ T10] fib6_nh_init+0x3d8/0x1580 [ 3966.509044][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3966.509044][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3966.509044][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3966.509044][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3966.509044][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3966.509044][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3966.509044][ T10] addrconf_dad_begin+0x310/0x670 [ 3966.509044][ T10] addrconf_dad_work+0x10b/0xab0 [ 3966.509044][ T10] process_one_work+0x84d/0x18a0 [ 3966.509044][ T10] worker_thread+0x587/0xd30 [ 3966.509044][ T10] kthread+0x28a/0x350 [ 3966.509044][ T10] ret_from_fork+0x31/0x70 [ 3966.509044][ T10] ret_from_fork_asm+0x1a/0x30 [ 3966.509044][ T10] [ 3966.510969][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3966.510969][ T10] netdev_get_by_index+0x5e/0x80 [ 3966.510969][ T10] fib6_nh_init+0x3d8/0x1580 [ 3966.510969][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3966.510969][ T10] ip6_route_add+0x1c/0x140 [ 3966.510969][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3966.510969][ T10] inet6_addr_add+0x4f8/0xa40 [ 3966.510969][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3966.510969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.510969][ T10] netlink_rcv_skb+0x130/0x360 [ 3966.510969][ T10] netlink_unicast+0x449/0x710 [ 3966.510969][ T10] netlink_sendmsg+0x723/0xbe0 [ 3966.510969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3966.510969][ T10] ___sys_sendmsg+0xee/0x170 [ 3966.510969][ T10] __sys_sendmsg+0xcd/0x170 [ 3966.510969][ T10] do_syscall_64+0xc6/0x1e0 [ 3966.510969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.510969][ T10] [ 3966.512986][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3966.512986][ T10] netdev_get_by_index+0x5e/0x80 [ 3966.512986][ T10] fib6_nh_init+0x3d8/0x1580 [ 3966.512986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3966.512986][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3966.512986][ T10] ipv6_add_addr+0x411/0x2000 [ 3966.512986][ T10] inet6_addr_add+0x30e/0xa40 [ 3966.512986][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3966.512986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.512986][ T10] netlink_rcv_skb+0x130/0x360 [ 3966.512986][ T10] netlink_unicast+0x449/0x710 [ 3966.512986][ T10] netlink_sendmsg+0x723/0xbe0 [ 3966.512986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3966.512986][ T10] ___sys_sendmsg+0xee/0x170 [ 3966.512986][ T10] __sys_sendmsg+0xcd/0x170 [ 3966.512986][ T10] do_syscall_64+0xc6/0x1e0 [ 3966.512986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.512986][ T10] [ 3966.515003][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3966.515003][ T10] netdev_get_by_index+0x5e/0x80 [ 3966.515003][ T10] fib6_nh_init+0x3d8/0x1580 [ 3966.515003][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3966.515003][ T10] ip6_route_add+0x1c/0x140 [ 3966.515003][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3966.515003][ T10] addrconf_add_dev+0xe2/0x170 [ 3966.515003][ T10] inet6_addr_add+0x12f/0xa40 [ 3966.515003][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3966.515003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.515003][ T10] netlink_rcv_skb+0x130/0x360 [ 3966.515003][ T10] netlink_unicast+0x449/0x710 [ 3966.515003][ T10] netlink_sendmsg+0x723/0xbe0 [ 3966.515003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3966.515003][ T10] ___sys_sendmsg+0xee/0x170 [ 3966.515003][ T10] __sys_sendmsg+0xcd/0x170 [ 3966.515003][ T10] do_syscall_64+0xc6/0x1e0 [ 3966.515003][ T10] [ 3966.516979][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3966.516979][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3966.516979][ T10] ipv6_find_idev+0x102/0x170 [ 3966.516979][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3966.516979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.516979][ T10] netlink_rcv_skb+0x130/0x360 [ 3966.516979][ T10] netlink_unicast+0x449/0x710 [ 3966.516979][ T10] netlink_sendmsg+0x723/0xbe0 [ 3966.516979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3966.516979][ T10] ___sys_sendmsg+0xee/0x170 [ 3966.516979][ T10] __sys_sendmsg+0xcd/0x170 [ 3966.516979][ T10] do_syscall_64+0xc6/0x1e0 [ 3966.516979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.516979][ T10] [ 3966.518536][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3966.518536][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3966.518536][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3966.518536][ T10] ipv6_find_idev+0x102/0x170 [ 3966.518536][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3966.518536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.518536][ T10] netlink_rcv_skb+0x130/0x360 [ 3966.518536][ T10] netlink_unicast+0x449/0x710 [ 3966.518536][ T10] netlink_sendmsg+0x723/0xbe0 [ 3966.518536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3966.518536][ T10] ___sys_sendmsg+0xee/0x170 [ 3966.518536][ T10] __sys_sendmsg+0xcd/0x170 [ 3966.518536][ T10] do_syscall_64+0xc6/0x1e0 [ 3966.518536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.518536][ T10] [ 3966.520245][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3966.520487][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3966.520487][ T10] netdev_get_by_index+0x5e/0x80 [ 3966.520487][ T10] fib6_nh_init+0x3d8/0x1580 [ 3966.520487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3966.520487][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3966.520487][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3966.520487][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3966.520487][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3966.520487][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3966.520487][ T10] addrconf_dad_begin+0x310/0x670 [ 3966.520487][ T10] addrconf_dad_work+0x10b/0xab0 [ 3966.520487][ T10] process_one_work+0x84d/0x18a0 [ 3966.520487][ T10] worker_thread+0x587/0xd30 [ 3966.520487][ T10] kthread+0x28a/0x350 [ 3966.520487][ T10] ret_from_fork+0x31/0x70 [ 3966.520487][ T10] ret_from_fork_asm+0x1a/0x30 [ 3966.520487][ T10] [ 3966.522409][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3966.522409][ T10] netdev_get_by_index+0x5e/0x80 [ 3966.522409][ T10] fib6_nh_init+0x3d8/0x1580 [ 3966.522409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3966.522409][ T10] ip6_route_add+0x1c/0x140 [ 3966.522409][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3966.522409][ T10] inet6_addr_add+0x4f8/0xa40 [ 3966.522409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3966.522409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.522409][ T10] netlink_rcv_skb+0x130/0x360 [ 3966.522409][ T10] netlink_unicast+0x449/0x710 [ 3966.522409][ T10] netlink_sendmsg+0x723/0xbe0 [ 3966.522409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3966.522409][ T10] ___sys_sendmsg+0xee/0x170 [ 3966.522409][ T10] __sys_sendmsg+0xcd/0x170 [ 3966.522409][ T10] do_syscall_64+0xc6/0x1e0 [ 3966.522409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.522409][ T10] [ 3966.524618][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3966.524618][ T10] netdev_get_by_index+0x5e/0x80 [ 3966.524618][ T10] fib6_nh_init+0x3d8/0x1580 [ 3966.524618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3966.524618][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3966.524618][ T10] ipv6_add_addr+0x411/0x2000 [ 3966.524618][ T10] inet6_addr_add+0x30e/0xa40 [ 3966.524618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3966.524618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.524618][ T10] netlink_rcv_skb+0x130/0x360 [ 3966.524618][ T10] netlink_unicast+0x449/0x710 [ 3966.524618][ T10] netlink_sendmsg+0x723/0xbe0 [ 3966.524618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3966.524618][ T10] ___sys_sendmsg+0xee/0x170 [ 3966.524618][ T10] __sys_sendmsg+0xcd/0x170 [ 3966.524618][ T10] do_syscall_64+0xc6/0x1e0 [ 3966.524618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.524618][ T10] [ 3966.526938][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3966.526938][ T10] netdev_get_by_index+0x5e/0x80 [ 3966.526938][ T10] fib6_nh_init+0x3d8/0x1580 [ 3966.526938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3966.526938][ T10] ip6_route_add+0x1c/0x140 [ 3966.526938][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3966.526938][ T10] addrconf_add_dev+0xe2/0x170 [ 3966.526938][ T10] inet6_addr_add+0x12f/0xa40 [ 3966.526938][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3966.526938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.526938][ T10] netlink_rcv_skb+0x130/0x360 [ 3966.526938][ T10] netlink_unicast+0x449/0x710 [ 3966.526938][ T10] netlink_sendmsg+0x723/0xbe0 [ 3966.526938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3966.526938][ T10] ___sys_sendmsg+0xee/0x170 [ 3966.526938][ T10] __sys_sendmsg+0xcd/0x170 [ 3966.526938][ T10] do_syscall_64+0xc6/0x1e0 [ 3966.526938][ T10] [ 3966.529154][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3966.529154][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3966.529154][ T10] ipv6_find_idev+0x102/0x170 [ 3966.529154][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3966.529154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.529154][ T10] netlink_rcv_skb+0x130/0x360 [ 3966.529154][ T10] netlink_unicast+0x449/0x710 [ 3966.529154][ T10] netlink_sendmsg+0x723/0xbe0 [ 3966.529154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3966.529154][ T10] ___sys_sendmsg+0xee/0x170 [ 3966.529154][ T10] __sys_sendmsg+0xcd/0x170 [ 3966.529154][ T10] do_syscall_64+0xc6/0x1e0 [ 3966.529154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.529154][ T10] [ 3966.530896][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3966.530896][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3966.530896][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3966.530896][ T10] ipv6_find_idev+0x102/0x170 [ 3966.530896][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3966.530896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.530896][ T10] netlink_rcv_skb+0x130/0x360 [ 3966.530896][ T10] netlink_unicast+0x449/0x710 [ 3966.530896][ T10] netlink_sendmsg+0x723/0xbe0 [ 3966.530896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3966.530896][ T10] ___sys_sendmsg+0xee/0x170 [ 3966.530896][ T10] __sys_sendmsg+0xcd/0x170 [ 3966.530896][ T10] do_syscall_64+0xc6/0x1e0 [ 3966.530896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.530896][ T10] [ 3966.532803][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3966.533487][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3966.533487][ T10] netdev_get_by_index+0x5e/0x80 [ 3966.533487][ T10] fib6_nh_init+0x3d8/0x1580 [ 3966.533487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3966.533487][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3966.533487][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3966.533487][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3966.533487][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3966.533487][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3966.533487][ T10] addrconf_dad_begin+0x310/0x670 [ 3966.533487][ T10] addrconf_dad_work+0x10b/0xab0 [ 3966.533487][ T10] process_one_work+0x84d/0x18a0 [ 3966.533487][ T10] worker_thread+0x587/0xd30 [ 3966.533487][ T10] kthread+0x28a/0x350 [ 3966.533487][ T10] ret_from_fork+0x31/0x70 [ 3966.533487][ T10] ret_from_fork_asm+0x1a/0x30 [ 3966.533487][ T10] [ 3966.535410][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3966.535410][ T10] netdev_get_by_index+0x5e/0x80 [ 3966.535410][ T10] fib6_nh_init+0x3d8/0x1580 [ 3966.535410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3966.535410][ T10] ip6_route_add+0x1c/0x140 [ 3966.535410][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3966.535410][ T10] inet6_addr_add+0x4f8/0xa40 [ 3966.535410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3966.535410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.535410][ T10] netlink_rcv_skb+0x130/0x360 [ 3966.535410][ T10] netlink_unicast+0x449/0x710 [ 3966.535410][ T10] netlink_sendmsg+0x723/0xbe0 [ 3966.535410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3966.535410][ T10] ___sys_sendmsg+0xee/0x170 [ 3966.535410][ T10] __sys_sendmsg+0xcd/0x170 [ 3966.535410][ T10] do_syscall_64+0xc6/0x1e0 [ 3966.535410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.535410][ T10] [ 3966.537543][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3966.537543][ T10] netdev_get_by_index+0x5e/0x80 [ 3966.537543][ T10] fib6_nh_init+0x3d8/0x1580 [ 3966.537543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3966.537543][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3966.537543][ T10] ipv6_add_addr+0x411/0x2000 [ 3966.537543][ T10] inet6_addr_add+0x30e/0xa40 [ 3966.537543][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3966.537543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.537543][ T10] netlink_rcv_skb+0x130/0x360 [ 3966.537543][ T10] netlink_unicast+0x449/0x710 [ 3966.537543][ T10] netlink_sendmsg+0x723/0xbe0 [ 3966.537543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3966.537543][ T10] ___sys_sendmsg+0xee/0x170 [ 3966.537543][ T10] __sys_sendmsg+0xcd/0x170 [ 3966.537543][ T10] do_syscall_64+0xc6/0x1e0 [ 3966.537543][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.537543][ T10] [ 3966.539873][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3966.539873][ T10] netdev_get_by_index+0x5e/0x80 [ 3966.539873][ T10] fib6_nh_init+0x3d8/0x1580 [ 3966.539873][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3966.539873][ T10] ip6_route_add+0x1c/0x140 [ 3966.539873][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3966.539873][ T10] addrconf_add_dev+0xe2/0x170 [ 3966.539873][ T10] inet6_addr_add+0x12f/0xa40 [ 3966.539873][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3966.539873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.539873][ T10] netlink_rcv_skb+0x130/0x360 [ 3966.539873][ T10] netlink_unicast+0x449/0x710 [ 3966.539873][ T10] netlink_sendmsg+0x723/0xbe0 [ 3966.539873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3966.539873][ T10] ___sys_sendmsg+0xee/0x170 [ 3966.539873][ T10] __sys_sendmsg+0xcd/0x170 [ 3966.539873][ T10] do_syscall_64+0xc6/0x1e0 [ 3966.539873][ T10] [ 3966.542027][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3966.542027][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3966.542027][ T10] ipv6_find_idev+0x102/0x170 [ 3966.542027][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3966.542027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.542027][ T10] netlink_rcv_skb+0x130/0x360 [ 3966.542027][ T10] netlink_unicast+0x449/0x710 [ 3966.542027][ T10] netlink_sendmsg+0x723/0xbe0 [ 3966.542027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3966.542027][ T10] ___sys_sendmsg+0xee/0x170 [ 3966.542027][ T10] __sys_sendmsg+0xcd/0x170 [ 3966.542027][ T10] do_syscall_64+0xc6/0x1e0 [ 3966.542027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.542027][ T10] [ 3966.543753][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3966.543753][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3966.543753][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3966.543753][ T10] ipv6_find_idev+0x102/0x170 [ 3966.543753][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3966.543753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.543753][ T10] netlink_rcv_skb+0x130/0x360 [ 3966.543753][ T10] netlink_unicast+0x449/0x710 [ 3966.543753][ T10] netlink_sendmsg+0x723/0xbe0 [ 3966.543753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3966.543753][ T10] ___sys_sendmsg+0xee/0x170 [ 3966.543753][ T10] __sys_sendmsg+0xcd/0x170 [ 3966.543753][ T10] do_syscall_64+0xc6/0x1e0 [ 3966.543753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.543753][ T10] [ 3974.433060][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3974.433499][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3974.433499][ T1167] dst_init+0x84/0x4a0 [ 3974.433499][ T1167] dst_alloc+0x97/0x150 [ 3974.433499][ T1167] ip6_dst_alloc+0x23/0x90 [ 3974.433499][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3974.433499][ T1167] ip6_pol_route+0x56f/0x840 [ 3974.433499][ T1167] fib6_rule_lookup+0x334/0x630 [ 3974.433499][ T1167] ip6_route_output_flags+0x259/0x480 [ 3974.433499][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3974.433499][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3974.433499][ T1167] netlink_rcv_skb+0x130/0x360 [ 3974.433499][ T1167] netlink_unicast+0x449/0x710 [ 3974.433499][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3974.433499][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3974.433499][ T1167] ___sys_sendmsg+0xee/0x170 [ 3974.433499][ T1167] __sys_sendmsg+0xcd/0x170 [ 3974.433499][ T1167] do_syscall_64+0xc6/0x1e0 [ 3974.433499][ T1167] [ 3974.435798][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3974.435798][ T1167] netdev_get_by_index+0x5e/0x80 [ 3974.435798][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3974.435798][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3974.435798][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3974.435798][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3974.435798][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3974.435798][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3974.435798][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3974.435798][ T1167] addrconf_dad_begin+0x310/0x670 [ 3974.435798][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3974.435798][ T1167] process_one_work+0x84d/0x18a0 [ 3974.435798][ T1167] worker_thread+0x587/0xd30 [ 3974.435798][ T1167] kthread+0x28a/0x350 [ 3974.435798][ T1167] ret_from_fork+0x31/0x70 [ 3974.435798][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3974.435798][ T1167] [ 3974.437947][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3974.437947][ T1167] netdev_get_by_index+0x5e/0x80 [ 3974.437947][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3974.437947][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3974.437947][ T1167] ip6_route_add+0x1c/0x140 [ 3974.437947][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3974.437947][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3974.437947][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3974.437947][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3974.437947][ T1167] netlink_rcv_skb+0x130/0x360 [ 3974.437947][ T1167] netlink_unicast+0x449/0x710 [ 3974.437947][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3974.437947][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3974.437947][ T1167] ___sys_sendmsg+0xee/0x170 [ 3974.437947][ T1167] __sys_sendmsg+0xcd/0x170 [ 3974.437947][ T1167] do_syscall_64+0xc6/0x1e0 [ 3974.437947][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3974.437947][ T1167] [ 3974.440204][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3974.440204][ T1167] netdev_get_by_index+0x5e/0x80 [ 3974.440204][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3974.440204][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3974.440204][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3974.440204][ T1167] ipv6_add_addr+0x411/0x2000 [ 3974.440204][ T1167] inet6_addr_add+0x30e/0xa40 [ 3974.440204][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3974.440204][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3974.440204][ T1167] netlink_rcv_skb+0x130/0x360 [ 3974.440204][ T1167] netlink_unicast+0x449/0x710 [ 3974.440204][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3974.440204][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3974.440204][ T1167] ___sys_sendmsg+0xee/0x170 [ 3974.440204][ T1167] __sys_sendmsg+0xcd/0x170 [ 3974.440204][ T1167] do_syscall_64+0xc6/0x1e0 [ 3974.440204][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3974.440204][ T1167] [ 3974.442469][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3974.442469][ T1167] netdev_get_by_index+0x5e/0x80 [ 3974.442469][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3974.442469][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3974.442469][ T1167] ip6_route_add+0x1c/0x140 [ 3974.442469][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3974.442469][ T1167] addrconf_add_dev+0xe2/0x170 [ 3974.442469][ T1167] inet6_addr_add+0x12f/0xa40 [ 3974.442469][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3974.442469][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3974.442469][ T1167] netlink_rcv_skb+0x130/0x360 [ 3974.442469][ T1167] netlink_unicast+0x449/0x710 [ 3974.442469][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3974.442469][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3974.442469][ T1167] ___sys_sendmsg+0xee/0x170 [ 3974.442469][ T1167] __sys_sendmsg+0xcd/0x170 [ 3974.442469][ T1167] do_syscall_64+0xc6/0x1e0 [ 3974.442469][ T1167] [ 3974.444707][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3974.444707][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3974.444707][ T1167] ipv6_find_idev+0x102/0x170 [ 3974.444707][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3974.444707][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3974.444707][ T1167] netlink_rcv_skb+0x130/0x360 [ 3974.444707][ T1167] netlink_unicast+0x449/0x710 [ 3974.444707][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3974.444707][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3974.444707][ T1167] ___sys_sendmsg+0xee/0x170 [ 3974.444707][ T1167] __sys_sendmsg+0xcd/0x170 [ 3974.444707][ T1167] do_syscall_64+0xc6/0x1e0 [ 3974.444707][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3974.444707][ T1167] [ 3974.446432][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3974.446432][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3974.446432][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3974.446432][ T1167] ipv6_find_idev+0x102/0x170 [ 3974.446432][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3974.446432][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3974.446432][ T1167] netlink_rcv_skb+0x130/0x360 [ 3974.446432][ T1167] netlink_unicast+0x449/0x710 [ 3974.446432][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3974.446432][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3974.446432][ T1167] ___sys_sendmsg+0xee/0x170 [ 3974.446432][ T1167] __sys_sendmsg+0xcd/0x170 [ 3974.446432][ T1167] do_syscall_64+0xc6/0x1e0 [ 3974.446432][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3974.446432][ T1167] [ 3976.785133][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3976.785559][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3976.785559][ T10] netdev_get_by_index+0x5e/0x80 [ 3976.785559][ T10] fib6_nh_init+0x3d8/0x1580 [ 3976.785559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3976.785559][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3976.785559][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3976.785559][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3976.785559][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3976.785559][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3976.785559][ T10] addrconf_dad_begin+0x310/0x670 [ 3976.785559][ T10] addrconf_dad_work+0x10b/0xab0 [ 3976.785559][ T10] process_one_work+0x84d/0x18a0 [ 3976.785559][ T10] worker_thread+0x587/0xd30 [ 3976.785559][ T10] kthread+0x28a/0x350 [ 3976.785559][ T10] ret_from_fork+0x31/0x70 [ 3976.785559][ T10] ret_from_fork_asm+0x1a/0x30 [ 3976.785559][ T10] [ 3976.787512][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3976.787512][ T10] netdev_get_by_index+0x5e/0x80 [ 3976.787512][ T10] fib6_nh_init+0x3d8/0x1580 [ 3976.787512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3976.787512][ T10] ip6_route_add+0x1c/0x140 [ 3976.787512][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3976.787512][ T10] inet6_addr_add+0x4f8/0xa40 [ 3976.787512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3976.787512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.787512][ T10] netlink_rcv_skb+0x130/0x360 [ 3976.787512][ T10] netlink_unicast+0x449/0x710 [ 3976.787512][ T10] netlink_sendmsg+0x723/0xbe0 [ 3976.787512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3976.787512][ T10] ___sys_sendmsg+0xee/0x170 [ 3976.787512][ T10] __sys_sendmsg+0xcd/0x170 [ 3976.787512][ T10] do_syscall_64+0xc6/0x1e0 [ 3976.787512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.787512][ T10] [ 3976.789534][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3976.789534][ T10] netdev_get_by_index+0x5e/0x80 [ 3976.789534][ T10] fib6_nh_init+0x3d8/0x1580 [ 3976.789534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3976.789534][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3976.789534][ T10] ipv6_add_addr+0x411/0x2000 [ 3976.789534][ T10] inet6_addr_add+0x30e/0xa40 [ 3976.789534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3976.789534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.789534][ T10] netlink_rcv_skb+0x130/0x360 [ 3976.789534][ T10] netlink_unicast+0x449/0x710 [ 3976.789534][ T10] netlink_sendmsg+0x723/0xbe0 [ 3976.789534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3976.789534][ T10] ___sys_sendmsg+0xee/0x170 [ 3976.789534][ T10] __sys_sendmsg+0xcd/0x170 [ 3976.789534][ T10] do_syscall_64+0xc6/0x1e0 [ 3976.789534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.789534][ T10] [ 3976.791549][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3976.791549][ T10] netdev_get_by_index+0x5e/0x80 [ 3976.791549][ T10] fib6_nh_init+0x3d8/0x1580 [ 3976.791549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3976.791549][ T10] ip6_route_add+0x1c/0x140 [ 3976.791549][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3976.791549][ T10] addrconf_add_dev+0xe2/0x170 [ 3976.791549][ T10] inet6_addr_add+0x12f/0xa40 [ 3976.791549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3976.791549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.791549][ T10] netlink_rcv_skb+0x130/0x360 [ 3976.791549][ T10] netlink_unicast+0x449/0x710 [ 3976.791549][ T10] netlink_sendmsg+0x723/0xbe0 [ 3976.791549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3976.791549][ T10] ___sys_sendmsg+0xee/0x170 [ 3976.791549][ T10] __sys_sendmsg+0xcd/0x170 [ 3976.791549][ T10] do_syscall_64+0xc6/0x1e0 [ 3976.791549][ T10] [ 3976.793522][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3976.793522][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3976.793522][ T10] ipv6_find_idev+0x102/0x170 [ 3976.793522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3976.793522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.793522][ T10] netlink_rcv_skb+0x130/0x360 [ 3976.793522][ T10] netlink_unicast+0x449/0x710 [ 3976.793522][ T10] netlink_sendmsg+0x723/0xbe0 [ 3976.793522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3976.793522][ T10] ___sys_sendmsg+0xee/0x170 [ 3976.793522][ T10] __sys_sendmsg+0xcd/0x170 [ 3976.793522][ T10] do_syscall_64+0xc6/0x1e0 [ 3976.793522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.793522][ T10] [ 3976.795062][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3976.795062][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3976.795062][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3976.795062][ T10] ipv6_find_idev+0x102/0x170 [ 3976.795062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3976.795062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.795062][ T10] netlink_rcv_skb+0x130/0x360 [ 3976.795062][ T10] netlink_unicast+0x449/0x710 [ 3976.795062][ T10] netlink_sendmsg+0x723/0xbe0 [ 3976.795062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3976.795062][ T10] ___sys_sendmsg+0xee/0x170 [ 3976.795062][ T10] __sys_sendmsg+0xcd/0x170 [ 3976.795062][ T10] do_syscall_64+0xc6/0x1e0 [ 3976.795062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.795062][ T10] [ 3976.796761][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3976.797020][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3976.797020][ T10] netdev_get_by_index+0x5e/0x80 [ 3976.797020][ T10] fib6_nh_init+0x3d8/0x1580 [ 3976.797020][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3976.797020][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3976.797020][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3976.797020][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3976.797020][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3976.797020][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3976.797020][ T10] addrconf_dad_begin+0x310/0x670 [ 3976.797020][ T10] addrconf_dad_work+0x10b/0xab0 [ 3976.797020][ T10] process_one_work+0x84d/0x18a0 [ 3976.797020][ T10] worker_thread+0x587/0xd30 [ 3976.797020][ T10] kthread+0x28a/0x350 [ 3976.797020][ T10] ret_from_fork+0x31/0x70 [ 3976.797020][ T10] ret_from_fork_asm+0x1a/0x30 [ 3976.797020][ T10] [ 3976.799007][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3976.799007][ T10] netdev_get_by_index+0x5e/0x80 [ 3976.799007][ T10] fib6_nh_init+0x3d8/0x1580 [ 3976.799007][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3976.799007][ T10] ip6_route_add+0x1c/0x140 [ 3976.799007][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3976.799007][ T10] inet6_addr_add+0x4f8/0xa40 [ 3976.799007][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3976.799007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.799007][ T10] netlink_rcv_skb+0x130/0x360 [ 3976.799007][ T10] netlink_unicast+0x449/0x710 [ 3976.799007][ T10] netlink_sendmsg+0x723/0xbe0 [ 3976.799007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3976.799007][ T10] ___sys_sendmsg+0xee/0x170 [ 3976.799007][ T10] __sys_sendmsg+0xcd/0x170 [ 3976.799007][ T10] do_syscall_64+0xc6/0x1e0 [ 3976.799007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.799007][ T10] [ 3976.801029][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3976.801029][ T10] netdev_get_by_index+0x5e/0x80 [ 3976.801029][ T10] fib6_nh_init+0x3d8/0x1580 [ 3976.801029][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3976.801029][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3976.801029][ T10] ipv6_add_addr+0x411/0x2000 [ 3976.801029][ T10] inet6_addr_add+0x30e/0xa40 [ 3976.801029][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3976.801029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.801029][ T10] netlink_rcv_skb+0x130/0x360 [ 3976.801029][ T10] netlink_unicast+0x449/0x710 [ 3976.801029][ T10] netlink_sendmsg+0x723/0xbe0 [ 3976.801029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3976.801029][ T10] ___sys_sendmsg+0xee/0x170 [ 3976.801029][ T10] __sys_sendmsg+0xcd/0x170 [ 3976.801029][ T10] do_syscall_64+0xc6/0x1e0 [ 3976.801029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.801029][ T10] [ 3976.803034][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3976.803034][ T10] netdev_get_by_index+0x5e/0x80 [ 3976.803034][ T10] fib6_nh_init+0x3d8/0x1580 [ 3976.803034][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3976.803034][ T10] ip6_route_add+0x1c/0x140 [ 3976.803034][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3976.803034][ T10] addrconf_add_dev+0xe2/0x170 [ 3976.803034][ T10] inet6_addr_add+0x12f/0xa40 [ 3976.803034][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3976.803034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.803034][ T10] netlink_rcv_skb+0x130/0x360 [ 3976.803034][ T10] netlink_unicast+0x449/0x710 [ 3976.803034][ T10] netlink_sendmsg+0x723/0xbe0 [ 3976.803034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3976.803034][ T10] ___sys_sendmsg+0xee/0x170 [ 3976.803034][ T10] __sys_sendmsg+0xcd/0x170 [ 3976.803034][ T10] do_syscall_64+0xc6/0x1e0 [ 3976.803034][ T10] [ 3976.805009][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3976.805009][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3976.805009][ T10] ipv6_find_idev+0x102/0x170 [ 3976.805009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3976.805009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.805009][ T10] netlink_rcv_skb+0x130/0x360 [ 3976.805009][ T10] netlink_unicast+0x449/0x710 [ 3976.805009][ T10] netlink_sendmsg+0x723/0xbe0 [ 3976.805009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3976.805009][ T10] ___sys_sendmsg+0xee/0x170 [ 3976.805009][ T10] __sys_sendmsg+0xcd/0x170 [ 3976.805009][ T10] do_syscall_64+0xc6/0x1e0 [ 3976.805009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.805009][ T10] [ 3976.806602][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3976.806602][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3976.806602][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3976.806602][ T10] ipv6_find_idev+0x102/0x170 [ 3976.806602][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3976.806602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.806602][ T10] netlink_rcv_skb+0x130/0x360 [ 3976.806602][ T10] netlink_unicast+0x449/0x710 [ 3976.806602][ T10] netlink_sendmsg+0x723/0xbe0 [ 3976.806602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3976.806602][ T10] ___sys_sendmsg+0xee/0x170 [ 3976.806602][ T10] __sys_sendmsg+0xcd/0x170 [ 3976.806602][ T10] do_syscall_64+0xc6/0x1e0 [ 3976.806602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.806602][ T10] [ 3976.808307][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3976.808557][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3976.808557][ T10] netdev_get_by_index+0x5e/0x80 [ 3976.808557][ T10] fib6_nh_init+0x3d8/0x1580 [ 3976.808557][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3976.808557][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3976.808557][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3976.808557][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3976.808557][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3976.808557][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3976.808557][ T10] addrconf_dad_begin+0x310/0x670 [ 3976.808557][ T10] addrconf_dad_work+0x10b/0xab0 [ 3976.808557][ T10] process_one_work+0x84d/0x18a0 [ 3976.808557][ T10] worker_thread+0x587/0xd30 [ 3976.808557][ T10] kthread+0x28a/0x350 [ 3976.808557][ T10] ret_from_fork+0x31/0x70 [ 3976.808557][ T10] ret_from_fork_asm+0x1a/0x30 [ 3976.808557][ T10] [ 3976.810504][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3976.810504][ T10] netdev_get_by_index+0x5e/0x80 [ 3976.810504][ T10] fib6_nh_init+0x3d8/0x1580 [ 3976.810504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3976.810504][ T10] ip6_route_add+0x1c/0x140 [ 3976.810504][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3976.810504][ T10] inet6_addr_add+0x4f8/0xa40 [ 3976.810504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3976.810504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.810504][ T10] netlink_rcv_skb+0x130/0x360 [ 3976.810504][ T10] netlink_unicast+0x449/0x710 [ 3976.810504][ T10] netlink_sendmsg+0x723/0xbe0 [ 3976.810504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3976.810504][ T10] ___sys_sendmsg+0xee/0x170 [ 3976.810504][ T10] __sys_sendmsg+0xcd/0x170 [ 3976.810504][ T10] do_syscall_64+0xc6/0x1e0 [ 3976.810504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.810504][ T10] [ 3976.812693][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3976.812693][ T10] netdev_get_by_index+0x5e/0x80 [ 3976.812693][ T10] fib6_nh_init+0x3d8/0x1580 [ 3976.812693][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3976.812693][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3976.812693][ T10] ipv6_add_addr+0x411/0x2000 [ 3976.812693][ T10] inet6_addr_add+0x30e/0xa40 [ 3976.812693][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3976.812693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.812693][ T10] netlink_rcv_skb+0x130/0x360 [ 3976.812693][ T10] netlink_unicast+0x449/0x710 [ 3976.812693][ T10] netlink_sendmsg+0x723/0xbe0 [ 3976.812693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3976.812693][ T10] ___sys_sendmsg+0xee/0x170 [ 3976.812693][ T10] __sys_sendmsg+0xcd/0x170 [ 3976.812693][ T10] do_syscall_64+0xc6/0x1e0 [ 3976.812693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.812693][ T10] [ 3976.815006][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3976.815006][ T10] netdev_get_by_index+0x5e/0x80 [ 3976.815006][ T10] fib6_nh_init+0x3d8/0x1580 [ 3976.815006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3976.815006][ T10] ip6_route_add+0x1c/0x140 [ 3976.815006][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3976.815006][ T10] addrconf_add_dev+0xe2/0x170 [ 3976.815006][ T10] inet6_addr_add+0x12f/0xa40 [ 3976.815006][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3976.815006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.815006][ T10] netlink_rcv_skb+0x130/0x360 [ 3976.815006][ T10] netlink_unicast+0x449/0x710 [ 3976.815006][ T10] netlink_sendmsg+0x723/0xbe0 [ 3976.815006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3976.815006][ T10] ___sys_sendmsg+0xee/0x170 [ 3976.815006][ T10] __sys_sendmsg+0xcd/0x170 [ 3976.815006][ T10] do_syscall_64+0xc6/0x1e0 [ 3976.815006][ T10] [ 3976.817222][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3976.817222][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3976.817222][ T10] ipv6_find_idev+0x102/0x170 [ 3976.817222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3976.817222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.817222][ T10] netlink_rcv_skb+0x130/0x360 [ 3976.817222][ T10] netlink_unicast+0x449/0x710 [ 3976.817222][ T10] netlink_sendmsg+0x723/0xbe0 [ 3976.817222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3976.817222][ T10] ___sys_sendmsg+0xee/0x170 [ 3976.817222][ T10] __sys_sendmsg+0xcd/0x170 [ 3976.817222][ T10] do_syscall_64+0xc6/0x1e0 [ 3976.817222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.817222][ T10] [ 3976.818944][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3976.818944][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3976.818944][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3976.818944][ T10] ipv6_find_idev+0x102/0x170 [ 3976.818944][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3976.818944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.818944][ T10] netlink_rcv_skb+0x130/0x360 [ 3976.818944][ T10] netlink_unicast+0x449/0x710 [ 3976.818944][ T10] netlink_sendmsg+0x723/0xbe0 [ 3976.818944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3976.818944][ T10] ___sys_sendmsg+0xee/0x170 [ 3976.818944][ T10] __sys_sendmsg+0xcd/0x170 [ 3976.818944][ T10] do_syscall_64+0xc6/0x1e0 [ 3976.818944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.818944][ T10] [ 3976.820825][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3976.821518][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3976.821518][ T10] netdev_get_by_index+0x5e/0x80 [ 3976.821518][ T10] fib6_nh_init+0x3d8/0x1580 [ 3976.821518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3976.821518][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3976.821518][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3976.821518][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3976.821518][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3976.821518][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3976.821518][ T10] addrconf_dad_begin+0x310/0x670 [ 3976.821518][ T10] addrconf_dad_work+0x10b/0xab0 [ 3976.821518][ T10] process_one_work+0x84d/0x18a0 [ 3976.821518][ T10] worker_thread+0x587/0xd30 [ 3976.821518][ T10] kthread+0x28a/0x350 [ 3976.821518][ T10] ret_from_fork+0x31/0x70 [ 3976.821518][ T10] ret_from_fork_asm+0x1a/0x30 [ 3976.821518][ T10] [ 3976.823447][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3976.823447][ T10] netdev_get_by_index+0x5e/0x80 [ 3976.823447][ T10] fib6_nh_init+0x3d8/0x1580 [ 3976.823447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3976.823447][ T10] ip6_route_add+0x1c/0x140 [ 3976.823447][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3976.823447][ T10] inet6_addr_add+0x4f8/0xa40 [ 3976.823447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3976.823447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.823447][ T10] netlink_rcv_skb+0x130/0x360 [ 3976.823447][ T10] netlink_unicast+0x449/0x710 [ 3976.823447][ T10] netlink_sendmsg+0x723/0xbe0 [ 3976.823447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3976.823447][ T10] ___sys_sendmsg+0xee/0x170 [ 3976.823447][ T10] __sys_sendmsg+0xcd/0x170 [ 3976.823447][ T10] do_syscall_64+0xc6/0x1e0 [ 3976.823447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.823447][ T10] [ 3976.825570][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3976.825570][ T10] netdev_get_by_index+0x5e/0x80 [ 3976.825570][ T10] fib6_nh_init+0x3d8/0x1580 [ 3976.825570][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3976.825570][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3976.825570][ T10] ipv6_add_addr+0x411/0x2000 [ 3976.825570][ T10] inet6_addr_add+0x30e/0xa40 [ 3976.825570][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3976.825570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.825570][ T10] netlink_rcv_skb+0x130/0x360 [ 3976.825570][ T10] netlink_unicast+0x449/0x710 [ 3976.825570][ T10] netlink_sendmsg+0x723/0xbe0 [ 3976.825570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3976.825570][ T10] ___sys_sendmsg+0xee/0x170 [ 3976.825570][ T10] __sys_sendmsg+0xcd/0x170 [ 3976.825570][ T10] do_syscall_64+0xc6/0x1e0 [ 3976.825570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.825570][ T10] [ 3976.827875][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3976.827875][ T10] netdev_get_by_index+0x5e/0x80 [ 3976.827875][ T10] fib6_nh_init+0x3d8/0x1580 [ 3976.827875][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3976.827875][ T10] ip6_route_add+0x1c/0x140 [ 3976.827875][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3976.827875][ T10] addrconf_add_dev+0xe2/0x170 [ 3976.827875][ T10] inet6_addr_add+0x12f/0xa40 [ 3976.827875][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3976.827875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.827875][ T10] netlink_rcv_skb+0x130/0x360 [ 3976.827875][ T10] netlink_unicast+0x449/0x710 [ 3976.827875][ T10] netlink_sendmsg+0x723/0xbe0 [ 3976.827875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3976.827875][ T10] ___sys_sendmsg+0xee/0x170 [ 3976.827875][ T10] __sys_sendmsg+0xcd/0x170 [ 3976.827875][ T10] do_syscall_64+0xc6/0x1e0 [ 3976.827875][ T10] [ 3976.830286][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3976.830286][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3976.830286][ T10] ipv6_find_idev+0x102/0x170 [ 3976.830286][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3976.830286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.830286][ T10] netlink_rcv_skb+0x130/0x360 [ 3976.830286][ T10] netlink_unicast+0x449/0x710 [ 3976.830286][ T10] netlink_sendmsg+0x723/0xbe0 [ 3976.830286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3976.830286][ T10] ___sys_sendmsg+0xee/0x170 [ 3976.830286][ T10] __sys_sendmsg+0xcd/0x170 [ 3976.830286][ T10] do_syscall_64+0xc6/0x1e0 [ 3976.830286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.830286][ T10] [ 3976.832007][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3976.832007][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3976.832007][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3976.832007][ T10] ipv6_find_idev+0x102/0x170 [ 3976.832007][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3976.832007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.832007][ T10] netlink_rcv_skb+0x130/0x360 [ 3976.832007][ T10] netlink_unicast+0x449/0x710 [ 3976.832007][ T10] netlink_sendmsg+0x723/0xbe0 [ 3976.832007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3976.832007][ T10] ___sys_sendmsg+0xee/0x170 [ 3976.832007][ T10] __sys_sendmsg+0xcd/0x170 [ 3976.832007][ T10] do_syscall_64+0xc6/0x1e0 [ 3976.832007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.832007][ T10] [ 3984.697074][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3984.697648][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3984.697648][ T1167] dst_init+0x84/0x4a0 [ 3984.697648][ T1167] dst_alloc+0x97/0x150 [ 3984.697648][ T1167] ip6_dst_alloc+0x23/0x90 [ 3984.697648][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3984.697648][ T1167] ip6_pol_route+0x56f/0x840 [ 3984.697648][ T1167] fib6_rule_lookup+0x334/0x630 [ 3984.697648][ T1167] ip6_route_output_flags+0x259/0x480 [ 3984.697648][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3984.697648][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3984.697648][ T1167] netlink_rcv_skb+0x130/0x360 [ 3984.697648][ T1167] netlink_unicast+0x449/0x710 [ 3984.697648][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3984.697648][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3984.697648][ T1167] ___sys_sendmsg+0xee/0x170 [ 3984.697648][ T1167] __sys_sendmsg+0xcd/0x170 [ 3984.697648][ T1167] do_syscall_64+0xc6/0x1e0 [ 3984.697648][ T1167] [ 3984.699872][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3984.699872][ T1167] netdev_get_by_index+0x5e/0x80 [ 3984.699872][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3984.699872][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3984.699872][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3984.699872][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3984.699872][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3984.699872][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3984.699872][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3984.699872][ T1167] addrconf_dad_begin+0x310/0x670 [ 3984.699872][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3984.699872][ T1167] process_one_work+0x84d/0x18a0 [ 3984.699872][ T1167] worker_thread+0x587/0xd30 [ 3984.699872][ T1167] kthread+0x28a/0x350 [ 3984.699872][ T1167] ret_from_fork+0x31/0x70 [ 3984.699872][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3984.699872][ T1167] [ 3984.702424][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3984.702424][ T1167] netdev_get_by_index+0x5e/0x80 [ 3984.702424][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3984.702424][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3984.702424][ T1167] ip6_route_add+0x1c/0x140 [ 3984.702424][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3984.702424][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3984.702424][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3984.702424][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3984.702424][ T1167] netlink_rcv_skb+0x130/0x360 [ 3984.702424][ T1167] netlink_unicast+0x449/0x710 [ 3984.702424][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3984.702424][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3984.702424][ T1167] ___sys_sendmsg+0xee/0x170 [ 3984.702424][ T1167] __sys_sendmsg+0xcd/0x170 [ 3984.702424][ T1167] do_syscall_64+0xc6/0x1e0 [ 3984.702424][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3984.702424][ T1167] [ 3984.704682][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3984.704682][ T1167] netdev_get_by_index+0x5e/0x80 [ 3984.704682][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3984.704682][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3984.704682][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3984.704682][ T1167] ipv6_add_addr+0x411/0x2000 [ 3984.704682][ T1167] inet6_addr_add+0x30e/0xa40 [ 3984.704682][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3984.704682][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3984.704682][ T1167] netlink_rcv_skb+0x130/0x360 [ 3984.704682][ T1167] netlink_unicast+0x449/0x710 [ 3984.704682][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3984.704682][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3984.704682][ T1167] ___sys_sendmsg+0xee/0x170 [ 3984.704682][ T1167] __sys_sendmsg+0xcd/0x170 [ 3984.704682][ T1167] do_syscall_64+0xc6/0x1e0 [ 3984.704682][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3984.704682][ T1167] [ 3984.706957][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3984.706957][ T1167] netdev_get_by_index+0x5e/0x80 [ 3984.706957][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3984.706957][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3984.706957][ T1167] ip6_route_add+0x1c/0x140 [ 3984.706957][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3984.706957][ T1167] addrconf_add_dev+0xe2/0x170 [ 3984.706957][ T1167] inet6_addr_add+0x12f/0xa40 [ 3984.706957][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3984.706957][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3984.706957][ T1167] netlink_rcv_skb+0x130/0x360 [ 3984.706957][ T1167] netlink_unicast+0x449/0x710 [ 3984.706957][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3984.706957][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3984.706957][ T1167] ___sys_sendmsg+0xee/0x170 [ 3984.706957][ T1167] __sys_sendmsg+0xcd/0x170 [ 3984.706957][ T1167] do_syscall_64+0xc6/0x1e0 [ 3984.706957][ T1167] [ 3984.709178][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3984.709178][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3984.709178][ T1167] ipv6_find_idev+0x102/0x170 [ 3984.709178][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3984.709178][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3984.709178][ T1167] netlink_rcv_skb+0x130/0x360 [ 3984.709178][ T1167] netlink_unicast+0x449/0x710 [ 3984.709178][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3984.709178][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3984.709178][ T1167] ___sys_sendmsg+0xee/0x170 [ 3984.709178][ T1167] __sys_sendmsg+0xcd/0x170 [ 3984.709178][ T1167] do_syscall_64+0xc6/0x1e0 [ 3984.709178][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3984.709178][ T1167] [ 3984.710918][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3984.710918][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3984.710918][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3984.710918][ T1167] ipv6_find_idev+0x102/0x170 [ 3984.710918][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3984.710918][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3984.710918][ T1167] netlink_rcv_skb+0x130/0x360 [ 3984.710918][ T1167] netlink_unicast+0x449/0x710 [ 3984.710918][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3984.710918][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3984.710918][ T1167] ___sys_sendmsg+0xee/0x170 [ 3984.710918][ T1167] __sys_sendmsg+0xcd/0x170 [ 3984.710918][ T1167] do_syscall_64+0xc6/0x1e0 [ 3984.710918][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3984.710918][ T1167] [ 3987.073134][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3987.073573][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3987.073573][ T10] netdev_get_by_index+0x5e/0x80 [ 3987.073573][ T10] fib6_nh_init+0x3d8/0x1580 [ 3987.073573][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3987.073573][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3987.073573][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3987.073573][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3987.073573][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3987.073573][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3987.073573][ T10] addrconf_dad_begin+0x310/0x670 [ 3987.073573][ T10] addrconf_dad_work+0x10b/0xab0 [ 3987.073573][ T10] process_one_work+0x84d/0x18a0 [ 3987.073573][ T10] worker_thread+0x587/0xd30 [ 3987.073573][ T10] kthread+0x28a/0x350 [ 3987.073573][ T10] ret_from_fork+0x31/0x70 [ 3987.073573][ T10] ret_from_fork_asm+0x1a/0x30 [ 3987.073573][ T10] [ 3987.075495][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3987.075495][ T10] netdev_get_by_index+0x5e/0x80 [ 3987.075495][ T10] fib6_nh_init+0x3d8/0x1580 [ 3987.075495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3987.075495][ T10] ip6_route_add+0x1c/0x140 [ 3987.075495][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3987.075495][ T10] inet6_addr_add+0x4f8/0xa40 [ 3987.075495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3987.075495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.075495][ T10] netlink_rcv_skb+0x130/0x360 [ 3987.075495][ T10] netlink_unicast+0x449/0x710 [ 3987.075495][ T10] netlink_sendmsg+0x723/0xbe0 [ 3987.075495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3987.075495][ T10] ___sys_sendmsg+0xee/0x170 [ 3987.075495][ T10] __sys_sendmsg+0xcd/0x170 [ 3987.075495][ T10] do_syscall_64+0xc6/0x1e0 [ 3987.075495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3987.075495][ T10] [ 3987.077483][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3987.077483][ T10] netdev_get_by_index+0x5e/0x80 [ 3987.077483][ T10] fib6_nh_init+0x3d8/0x1580 [ 3987.077483][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3987.077483][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3987.077483][ T10] ipv6_add_addr+0x411/0x2000 [ 3987.077483][ T10] inet6_addr_add+0x30e/0xa40 [ 3987.077483][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3987.077483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.077483][ T10] netlink_rcv_skb+0x130/0x360 [ 3987.077483][ T10] netlink_unicast+0x449/0x710 [ 3987.077483][ T10] netlink_sendmsg+0x723/0xbe0 [ 3987.077483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3987.077483][ T10] ___sys_sendmsg+0xee/0x170 [ 3987.077483][ T10] __sys_sendmsg+0xcd/0x170 [ 3987.077483][ T10] do_syscall_64+0xc6/0x1e0 [ 3987.077483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3987.077483][ T10] [ 3987.079473][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3987.079473][ T10] netdev_get_by_index+0x5e/0x80 [ 3987.079473][ T10] fib6_nh_init+0x3d8/0x1580 [ 3987.079473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3987.079473][ T10] ip6_route_add+0x1c/0x140 [ 3987.079473][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3987.079473][ T10] addrconf_add_dev+0xe2/0x170 [ 3987.079473][ T10] inet6_addr_add+0x12f/0xa40 [ 3987.079473][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3987.079473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.079473][ T10] netlink_rcv_skb+0x130/0x360 [ 3987.079473][ T10] netlink_unicast+0x449/0x710 [ 3987.079473][ T10] netlink_sendmsg+0x723/0xbe0 [ 3987.079473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3987.079473][ T10] ___sys_sendmsg+0xee/0x170 [ 3987.079473][ T10] __sys_sendmsg+0xcd/0x170 [ 3987.079473][ T10] do_syscall_64+0xc6/0x1e0 [ 3987.079473][ T10] [ 3987.081426][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3987.081426][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3987.081426][ T10] ipv6_find_idev+0x102/0x170 [ 3987.081426][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3987.081426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.081426][ T10] netlink_rcv_skb+0x130/0x360 [ 3987.081426][ T10] netlink_unicast+0x449/0x710 [ 3987.081426][ T10] netlink_sendmsg+0x723/0xbe0 [ 3987.081426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3987.081426][ T10] ___sys_sendmsg+0xee/0x170 [ 3987.081426][ T10] __sys_sendmsg+0xcd/0x170 [ 3987.081426][ T10] do_syscall_64+0xc6/0x1e0 [ 3987.081426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3987.081426][ T10] [ 3987.082959][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3987.082959][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3987.082959][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3987.082959][ T10] ipv6_find_idev+0x102/0x170 [ 3987.082959][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3987.082959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.082959][ T10] netlink_rcv_skb+0x130/0x360 [ 3987.082959][ T10] netlink_unicast+0x449/0x710 [ 3987.082959][ T10] netlink_sendmsg+0x723/0xbe0 [ 3987.082959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3987.082959][ T10] ___sys_sendmsg+0xee/0x170 [ 3987.082959][ T10] __sys_sendmsg+0xcd/0x170 [ 3987.082959][ T10] do_syscall_64+0xc6/0x1e0 [ 3987.082959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3987.082959][ T10] [ 3987.084638][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3987.084878][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3987.084878][ T10] netdev_get_by_index+0x5e/0x80 [ 3987.084878][ T10] fib6_nh_init+0x3d8/0x1580 [ 3987.084878][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3987.084878][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3987.084878][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3987.084878][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3987.084878][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3987.084878][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3987.084878][ T10] addrconf_dad_begin+0x310/0x670 [ 3987.084878][ T10] addrconf_dad_work+0x10b/0xab0 [ 3987.084878][ T10] process_one_work+0x84d/0x18a0 [ 3987.084878][ T10] worker_thread+0x587/0xd30 [ 3987.084878][ T10] kthread+0x28a/0x350 [ 3987.084878][ T10] ret_from_fork+0x31/0x70 [ 3987.084878][ T10] ret_from_fork_asm+0x1a/0x30 [ 3987.084878][ T10] [ 3987.086773][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3987.086773][ T10] netdev_get_by_index+0x5e/0x80 [ 3987.086773][ T10] fib6_nh_init+0x3d8/0x1580 [ 3987.086773][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3987.086773][ T10] ip6_route_add+0x1c/0x140 [ 3987.086773][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3987.086773][ T10] inet6_addr_add+0x4f8/0xa40 [ 3987.086773][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3987.086773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.086773][ T10] netlink_rcv_skb+0x130/0x360 [ 3987.086773][ T10] netlink_unicast+0x449/0x710 [ 3987.086773][ T10] netlink_sendmsg+0x723/0xbe0 [ 3987.086773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3987.086773][ T10] ___sys_sendmsg+0xee/0x170 [ 3987.086773][ T10] __sys_sendmsg+0xcd/0x170 [ 3987.086773][ T10] do_syscall_64+0xc6/0x1e0 [ 3987.086773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3987.086773][ T10] [ 3987.088760][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3987.088760][ T10] netdev_get_by_index+0x5e/0x80 [ 3987.088760][ T10] fib6_nh_init+0x3d8/0x1580 [ 3987.088760][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3987.088760][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3987.088760][ T10] ipv6_add_addr+0x411/0x2000 [ 3987.088760][ T10] inet6_addr_add+0x30e/0xa40 [ 3987.088760][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3987.088760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.088760][ T10] netlink_rcv_skb+0x130/0x360 [ 3987.088760][ T10] netlink_unicast+0x449/0x710 [ 3987.088760][ T10] netlink_sendmsg+0x723/0xbe0 [ 3987.088760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3987.088760][ T10] ___sys_sendmsg+0xee/0x170 [ 3987.088760][ T10] __sys_sendmsg+0xcd/0x170 [ 3987.088760][ T10] do_syscall_64+0xc6/0x1e0 [ 3987.088760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3987.088760][ T10] [ 3987.090745][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3987.090745][ T10] netdev_get_by_index+0x5e/0x80 [ 3987.090745][ T10] fib6_nh_init+0x3d8/0x1580 [ 3987.090745][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3987.090745][ T10] ip6_route_add+0x1c/0x140 [ 3987.090745][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3987.090745][ T10] addrconf_add_dev+0xe2/0x170 [ 3987.090745][ T10] inet6_addr_add+0x12f/0xa40 [ 3987.090745][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3987.090745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.090745][ T10] netlink_rcv_skb+0x130/0x360 [ 3987.090745][ T10] netlink_unicast+0x449/0x710 [ 3987.090745][ T10] netlink_sendmsg+0x723/0xbe0 [ 3987.090745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3987.090745][ T10] ___sys_sendmsg+0xee/0x170 [ 3987.090745][ T10] __sys_sendmsg+0xcd/0x170 [ 3987.090745][ T10] do_syscall_64+0xc6/0x1e0 [ 3987.090745][ T10] [ 3987.092700][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3987.092700][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3987.092700][ T10] ipv6_find_idev+0x102/0x170 [ 3987.092700][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3987.092700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.092700][ T10] netlink_rcv_skb+0x130/0x360 [ 3987.092700][ T10] netlink_unicast+0x449/0x710 [ 3987.092700][ T10] netlink_sendmsg+0x723/0xbe0 [ 3987.092700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3987.092700][ T10] ___sys_sendmsg+0xee/0x170 [ 3987.092700][ T10] __sys_sendmsg+0xcd/0x170 [ 3987.092700][ T10] do_syscall_64+0xc6/0x1e0 [ 3987.092700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3987.092700][ T10] [ 3987.094222][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3987.094222][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3987.094222][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3987.094222][ T10] ipv6_find_idev+0x102/0x170 [ 3987.094222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3987.094222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.094222][ T10] netlink_rcv_skb+0x130/0x360 [ 3987.094222][ T10] netlink_unicast+0x449/0x710 [ 3987.094222][ T10] netlink_sendmsg+0x723/0xbe0 [ 3987.094222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3987.094222][ T10] ___sys_sendmsg+0xee/0x170 [ 3987.094222][ T10] __sys_sendmsg+0xcd/0x170 [ 3987.094222][ T10] do_syscall_64+0xc6/0x1e0 [ 3987.094222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3987.094222][ T10] [ 3987.095893][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3987.096138][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3987.096138][ T10] netdev_get_by_index+0x5e/0x80 [ 3987.096138][ T10] fib6_nh_init+0x3d8/0x1580 [ 3987.096138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3987.096138][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3987.096138][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3987.096138][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3987.096138][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3987.096138][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3987.096138][ T10] addrconf_dad_begin+0x310/0x670 [ 3987.096138][ T10] addrconf_dad_work+0x10b/0xab0 [ 3987.096138][ T10] process_one_work+0x84d/0x18a0 [ 3987.096138][ T10] worker_thread+0x587/0xd30 [ 3987.096138][ T10] kthread+0x28a/0x350 [ 3987.096138][ T10] ret_from_fork+0x31/0x70 [ 3987.096138][ T10] ret_from_fork_asm+0x1a/0x30 [ 3987.096138][ T10] [ 3987.098035][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3987.098035][ T10] netdev_get_by_index+0x5e/0x80 [ 3987.098035][ T10] fib6_nh_init+0x3d8/0x1580 [ 3987.098035][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3987.098035][ T10] ip6_route_add+0x1c/0x140 [ 3987.098035][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3987.098035][ T10] inet6_addr_add+0x4f8/0xa40 [ 3987.098035][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3987.098035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.098035][ T10] netlink_rcv_skb+0x130/0x360 [ 3987.098035][ T10] netlink_unicast+0x449/0x710 [ 3987.098035][ T10] netlink_sendmsg+0x723/0xbe0 [ 3987.098035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3987.098035][ T10] ___sys_sendmsg+0xee/0x170 [ 3987.098035][ T10] __sys_sendmsg+0xcd/0x170 [ 3987.098035][ T10] do_syscall_64+0xc6/0x1e0 [ 3987.098035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3987.098035][ T10] [ 3987.100209][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3987.100209][ T10] netdev_get_by_index+0x5e/0x80 [ 3987.100209][ T10] fib6_nh_init+0x3d8/0x1580 [ 3987.100209][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3987.100209][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3987.100209][ T10] ipv6_add_addr+0x411/0x2000 [ 3987.100209][ T10] inet6_addr_add+0x30e/0xa40 [ 3987.100209][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3987.100209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.100209][ T10] netlink_rcv_skb+0x130/0x360 [ 3987.100209][ T10] netlink_unicast+0x449/0x710 [ 3987.100209][ T10] netlink_sendmsg+0x723/0xbe0 [ 3987.100209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3987.100209][ T10] ___sys_sendmsg+0xee/0x170 [ 3987.100209][ T10] __sys_sendmsg+0xcd/0x170 [ 3987.100209][ T10] do_syscall_64+0xc6/0x1e0 [ 3987.100209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3987.100209][ T10] [ 3987.102493][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3987.102493][ T10] netdev_get_by_index+0x5e/0x80 [ 3987.102493][ T10] fib6_nh_init+0x3d8/0x1580 [ 3987.102493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3987.102493][ T10] ip6_route_add+0x1c/0x140 [ 3987.102493][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3987.102493][ T10] addrconf_add_dev+0xe2/0x170 [ 3987.102493][ T10] inet6_addr_add+0x12f/0xa40 [ 3987.102493][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3987.102493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.102493][ T10] netlink_rcv_skb+0x130/0x360 [ 3987.102493][ T10] netlink_unicast+0x449/0x710 [ 3987.102493][ T10] netlink_sendmsg+0x723/0xbe0 [ 3987.102493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3987.102493][ T10] ___sys_sendmsg+0xee/0x170 [ 3987.102493][ T10] __sys_sendmsg+0xcd/0x170 [ 3987.102493][ T10] do_syscall_64+0xc6/0x1e0 [ 3987.102493][ T10] [ 3987.104614][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3987.104614][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3987.104614][ T10] ipv6_find_idev+0x102/0x170 [ 3987.104614][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3987.104614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.104614][ T10] netlink_rcv_skb+0x130/0x360 [ 3987.104614][ T10] netlink_unicast+0x449/0x710 [ 3987.104614][ T10] netlink_sendmsg+0x723/0xbe0 [ 3987.104614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3987.104614][ T10] ___sys_sendmsg+0xee/0x170 [ 3987.104614][ T10] __sys_sendmsg+0xcd/0x170 [ 3987.104614][ T10] do_syscall_64+0xc6/0x1e0 [ 3987.104614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3987.104614][ T10] [ 3987.106317][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3987.106317][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3987.106317][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3987.106317][ T10] ipv6_find_idev+0x102/0x170 [ 3987.106317][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3987.106317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.106317][ T10] netlink_rcv_skb+0x130/0x360 [ 3987.106317][ T10] netlink_unicast+0x449/0x710 [ 3987.106317][ T10] netlink_sendmsg+0x723/0xbe0 [ 3987.106317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3987.106317][ T10] ___sys_sendmsg+0xee/0x170 [ 3987.106317][ T10] __sys_sendmsg+0xcd/0x170 [ 3987.106317][ T10] do_syscall_64+0xc6/0x1e0 [ 3987.106317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3987.106317][ T10] [ 3987.108179][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3987.108411][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3987.108411][ T10] netdev_get_by_index+0x5e/0x80 [ 3987.108411][ T10] fib6_nh_init+0x3d8/0x1580 [ 3987.108411][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3987.108411][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3987.108411][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3987.108411][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3987.108411][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3987.108411][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3987.108411][ T10] addrconf_dad_begin+0x310/0x670 [ 3987.108411][ T10] addrconf_dad_work+0x10b/0xab0 [ 3987.108411][ T10] process_one_work+0x84d/0x18a0 [ 3987.108411][ T10] worker_thread+0x587/0xd30 [ 3987.108411][ T10] kthread+0x28a/0x350 [ 3987.108411][ T10] ret_from_fork+0x31/0x70 [ 3987.108411][ T10] ret_from_fork_asm+0x1a/0x30 [ 3987.108411][ T10] [ 3987.110607][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3987.110607][ T10] netdev_get_by_index+0x5e/0x80 [ 3987.110607][ T10] fib6_nh_init+0x3d8/0x1580 [ 3987.110607][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3987.110607][ T10] ip6_route_add+0x1c/0x140 [ 3987.110607][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3987.110607][ T10] inet6_addr_add+0x4f8/0xa40 [ 3987.110607][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3987.110607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.110607][ T10] netlink_rcv_skb+0x130/0x360 [ 3987.110607][ T10] netlink_unicast+0x449/0x710 [ 3987.110607][ T10] netlink_sendmsg+0x723/0xbe0 [ 3987.110607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3987.110607][ T10] ___sys_sendmsg+0xee/0x170 [ 3987.110607][ T10] __sys_sendmsg+0xcd/0x170 [ 3987.110607][ T10] do_syscall_64+0xc6/0x1e0 [ 3987.110607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3987.110607][ T10] [ 3987.112759][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3987.112759][ T10] netdev_get_by_index+0x5e/0x80 [ 3987.112759][ T10] fib6_nh_init+0x3d8/0x1580 [ 3987.112759][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3987.112759][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3987.112759][ T10] ipv6_add_addr+0x411/0x2000 [ 3987.112759][ T10] inet6_addr_add+0x30e/0xa40 [ 3987.112759][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3987.112759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.112759][ T10] netlink_rcv_skb+0x130/0x360 [ 3987.112759][ T10] netlink_unicast+0x449/0x710 [ 3987.112759][ T10] netlink_sendmsg+0x723/0xbe0 [ 3987.112759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3987.112759][ T10] ___sys_sendmsg+0xee/0x170 [ 3987.112759][ T10] __sys_sendmsg+0xcd/0x170 [ 3987.112759][ T10] do_syscall_64+0xc6/0x1e0 [ 3987.112759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3987.112759][ T10] [ 3987.114981][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3987.114981][ T10] netdev_get_by_index+0x5e/0x80 [ 3987.114981][ T10] fib6_nh_init+0x3d8/0x1580 [ 3987.114981][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3987.114981][ T10] ip6_route_add+0x1c/0x140 [ 3987.114981][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3987.114981][ T10] addrconf_add_dev+0xe2/0x170 [ 3987.114981][ T10] inet6_addr_add+0x12f/0xa40 [ 3987.114981][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3987.114981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.114981][ T10] netlink_rcv_skb+0x130/0x360 [ 3987.114981][ T10] netlink_unicast+0x449/0x710 [ 3987.114981][ T10] netlink_sendmsg+0x723/0xbe0 [ 3987.114981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3987.114981][ T10] ___sys_sendmsg+0xee/0x170 [ 3987.114981][ T10] __sys_sendmsg+0xcd/0x170 [ 3987.114981][ T10] do_syscall_64+0xc6/0x1e0 [ 3987.114981][ T10] [ 3987.117172][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3987.117172][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3987.117172][ T10] ipv6_find_idev+0x102/0x170 [ 3987.117172][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3987.117172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.117172][ T10] netlink_rcv_skb+0x130/0x360 [ 3987.117172][ T10] netlink_unicast+0x449/0x710 [ 3987.117172][ T10] netlink_sendmsg+0x723/0xbe0 [ 3987.117172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3987.117172][ T10] ___sys_sendmsg+0xee/0x170 [ 3987.117172][ T10] __sys_sendmsg+0xcd/0x170 [ 3987.117172][ T10] do_syscall_64+0xc6/0x1e0 [ 3987.117172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3987.117172][ T10] [ 3987.118879][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3987.118879][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3987.118879][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3987.118879][ T10] ipv6_find_idev+0x102/0x170 [ 3987.118879][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3987.118879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.118879][ T10] netlink_rcv_skb+0x130/0x360 [ 3987.118879][ T10] netlink_unicast+0x449/0x710 [ 3987.118879][ T10] netlink_sendmsg+0x723/0xbe0 [ 3987.118879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3987.118879][ T10] ___sys_sendmsg+0xee/0x170 [ 3987.118879][ T10] __sys_sendmsg+0xcd/0x170 [ 3987.118879][ T10] do_syscall_64+0xc6/0x1e0 [ 3987.118879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3987.118879][ T10] [ 3994.745106][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 3994.745688][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3994.745688][ T1167] dst_init+0x84/0x4a0 [ 3994.745688][ T1167] dst_alloc+0x97/0x150 [ 3994.745688][ T1167] ip6_dst_alloc+0x23/0x90 [ 3994.745688][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3994.745688][ T1167] ip6_pol_route+0x56f/0x840 [ 3994.745688][ T1167] fib6_rule_lookup+0x334/0x630 [ 3994.745688][ T1167] ip6_route_output_flags+0x259/0x480 [ 3994.745688][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 3994.745688][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 3994.745688][ T1167] netlink_rcv_skb+0x130/0x360 [ 3994.745688][ T1167] netlink_unicast+0x449/0x710 [ 3994.745688][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3994.745688][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3994.745688][ T1167] ___sys_sendmsg+0xee/0x170 [ 3994.745688][ T1167] __sys_sendmsg+0xcd/0x170 [ 3994.745688][ T1167] do_syscall_64+0xc6/0x1e0 [ 3994.745688][ T1167] [ 3994.749268][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3994.749268][ T1167] netdev_get_by_index+0x5e/0x80 [ 3994.749268][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3994.749268][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3994.749268][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 3994.749268][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3994.749268][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 3994.749268][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3994.749268][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 3994.749268][ T1167] addrconf_dad_begin+0x310/0x670 [ 3994.749268][ T1167] addrconf_dad_work+0x10b/0xab0 [ 3994.749268][ T1167] process_one_work+0x84d/0x18a0 [ 3994.749268][ T1167] worker_thread+0x587/0xd30 [ 3994.749268][ T1167] kthread+0x28a/0x350 [ 3994.749268][ T1167] ret_from_fork+0x31/0x70 [ 3994.749268][ T1167] ret_from_fork_asm+0x1a/0x30 [ 3994.749268][ T1167] [ 3994.752682][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3994.752682][ T1167] netdev_get_by_index+0x5e/0x80 [ 3994.752682][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3994.752682][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3994.752682][ T1167] ip6_route_add+0x1c/0x140 [ 3994.752682][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 3994.752682][ T1167] inet6_addr_add+0x4f8/0xa40 [ 3994.752682][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3994.752682][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3994.752682][ T1167] netlink_rcv_skb+0x130/0x360 [ 3994.752682][ T1167] netlink_unicast+0x449/0x710 [ 3994.752682][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3994.752682][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3994.752682][ T1167] ___sys_sendmsg+0xee/0x170 [ 3994.752682][ T1167] __sys_sendmsg+0xcd/0x170 [ 3994.752682][ T1167] do_syscall_64+0xc6/0x1e0 [ 3994.752682][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3994.752682][ T1167] [ 3994.756090][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3994.756090][ T1167] netdev_get_by_index+0x5e/0x80 [ 3994.756090][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3994.756090][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3994.756090][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 3994.756090][ T1167] ipv6_add_addr+0x411/0x2000 [ 3994.756090][ T1167] inet6_addr_add+0x30e/0xa40 [ 3994.756090][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3994.756090][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3994.756090][ T1167] netlink_rcv_skb+0x130/0x360 [ 3994.756090][ T1167] netlink_unicast+0x449/0x710 [ 3994.756090][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3994.756090][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3994.756090][ T1167] ___sys_sendmsg+0xee/0x170 [ 3994.756090][ T1167] __sys_sendmsg+0xcd/0x170 [ 3994.756090][ T1167] do_syscall_64+0xc6/0x1e0 [ 3994.756090][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3994.756090][ T1167] [ 3994.759610][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3994.759610][ T1167] netdev_get_by_index+0x5e/0x80 [ 3994.759610][ T1167] fib6_nh_init+0x3d8/0x1580 [ 3994.759610][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 3994.759610][ T1167] ip6_route_add+0x1c/0x140 [ 3994.759610][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 3994.759610][ T1167] addrconf_add_dev+0xe2/0x170 [ 3994.759610][ T1167] inet6_addr_add+0x12f/0xa40 [ 3994.759610][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 3994.759610][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3994.759610][ T1167] netlink_rcv_skb+0x130/0x360 [ 3994.759610][ T1167] netlink_unicast+0x449/0x710 [ 3994.759610][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3994.759610][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3994.759610][ T1167] ___sys_sendmsg+0xee/0x170 [ 3994.759610][ T1167] __sys_sendmsg+0xcd/0x170 [ 3994.759610][ T1167] do_syscall_64+0xc6/0x1e0 [ 3994.759610][ T1167] [ 3994.762905][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3994.762905][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 3994.762905][ T1167] ipv6_find_idev+0x102/0x170 [ 3994.762905][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3994.762905][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3994.762905][ T1167] netlink_rcv_skb+0x130/0x360 [ 3994.762905][ T1167] netlink_unicast+0x449/0x710 [ 3994.762905][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3994.762905][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3994.762905][ T1167] ___sys_sendmsg+0xee/0x170 [ 3994.762905][ T1167] __sys_sendmsg+0xcd/0x170 [ 3994.762905][ T1167] do_syscall_64+0xc6/0x1e0 [ 3994.762905][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3994.762905][ T1167] [ 3994.765559][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 3994.765559][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 3994.765559][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 3994.765559][ T1167] ipv6_find_idev+0x102/0x170 [ 3994.765559][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 3994.765559][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3994.765559][ T1167] netlink_rcv_skb+0x130/0x360 [ 3994.765559][ T1167] netlink_unicast+0x449/0x710 [ 3994.765559][ T1167] netlink_sendmsg+0x723/0xbe0 [ 3994.765559][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 3994.765559][ T1167] ___sys_sendmsg+0xee/0x170 [ 3994.765559][ T1167] __sys_sendmsg+0xcd/0x170 [ 3994.765559][ T1167] do_syscall_64+0xc6/0x1e0 [ 3994.765559][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3994.765559][ T1167] [ 3997.361048][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 3997.361469][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3997.361469][ T10] netdev_get_by_index+0x5e/0x80 [ 3997.361469][ T10] fib6_nh_init+0x3d8/0x1580 [ 3997.361469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3997.361469][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3997.361469][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3997.361469][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3997.361469][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3997.361469][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3997.361469][ T10] addrconf_dad_begin+0x310/0x670 [ 3997.361469][ T10] addrconf_dad_work+0x10b/0xab0 [ 3997.361469][ T10] process_one_work+0x84d/0x18a0 [ 3997.361469][ T10] worker_thread+0x587/0xd30 [ 3997.361469][ T10] kthread+0x28a/0x350 [ 3997.361469][ T10] ret_from_fork+0x31/0x70 [ 3997.361469][ T10] ret_from_fork_asm+0x1a/0x30 [ 3997.361469][ T10] [ 3997.363565][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3997.363565][ T10] netdev_get_by_index+0x5e/0x80 [ 3997.363565][ T10] fib6_nh_init+0x3d8/0x1580 [ 3997.363565][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3997.363565][ T10] ip6_route_add+0x1c/0x140 [ 3997.363565][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3997.363565][ T10] inet6_addr_add+0x4f8/0xa40 [ 3997.363565][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3997.363565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.363565][ T10] netlink_rcv_skb+0x130/0x360 [ 3997.363565][ T10] netlink_unicast+0x449/0x710 [ 3997.363565][ T10] netlink_sendmsg+0x723/0xbe0 [ 3997.363565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3997.363565][ T10] ___sys_sendmsg+0xee/0x170 [ 3997.363565][ T10] __sys_sendmsg+0xcd/0x170 [ 3997.363565][ T10] do_syscall_64+0xc6/0x1e0 [ 3997.363565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3997.363565][ T10] [ 3997.365568][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3997.365568][ T10] netdev_get_by_index+0x5e/0x80 [ 3997.365568][ T10] fib6_nh_init+0x3d8/0x1580 [ 3997.365568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3997.365568][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3997.365568][ T10] ipv6_add_addr+0x411/0x2000 [ 3997.365568][ T10] inet6_addr_add+0x30e/0xa40 [ 3997.365568][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3997.365568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.365568][ T10] netlink_rcv_skb+0x130/0x360 [ 3997.365568][ T10] netlink_unicast+0x449/0x710 [ 3997.365568][ T10] netlink_sendmsg+0x723/0xbe0 [ 3997.365568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3997.365568][ T10] ___sys_sendmsg+0xee/0x170 [ 3997.365568][ T10] __sys_sendmsg+0xcd/0x170 [ 3997.365568][ T10] do_syscall_64+0xc6/0x1e0 [ 3997.365568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3997.365568][ T10] [ 3997.367545][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3997.367545][ T10] netdev_get_by_index+0x5e/0x80 [ 3997.367545][ T10] fib6_nh_init+0x3d8/0x1580 [ 3997.367545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3997.367545][ T10] ip6_route_add+0x1c/0x140 [ 3997.367545][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3997.367545][ T10] addrconf_add_dev+0xe2/0x170 [ 3997.367545][ T10] inet6_addr_add+0x12f/0xa40 [ 3997.367545][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3997.367545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.367545][ T10] netlink_rcv_skb+0x130/0x360 [ 3997.367545][ T10] netlink_unicast+0x449/0x710 [ 3997.367545][ T10] netlink_sendmsg+0x723/0xbe0 [ 3997.367545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3997.367545][ T10] ___sys_sendmsg+0xee/0x170 [ 3997.367545][ T10] __sys_sendmsg+0xcd/0x170 [ 3997.367545][ T10] do_syscall_64+0xc6/0x1e0 [ 3997.367545][ T10] [ 3997.369521][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3997.369521][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3997.369521][ T10] ipv6_find_idev+0x102/0x170 [ 3997.369521][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3997.369521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.369521][ T10] netlink_rcv_skb+0x130/0x360 [ 3997.369521][ T10] netlink_unicast+0x449/0x710 [ 3997.369521][ T10] netlink_sendmsg+0x723/0xbe0 [ 3997.369521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3997.369521][ T10] ___sys_sendmsg+0xee/0x170 [ 3997.369521][ T10] __sys_sendmsg+0xcd/0x170 [ 3997.369521][ T10] do_syscall_64+0xc6/0x1e0 [ 3997.369521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3997.369521][ T10] [ 3997.371046][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 3997.371046][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3997.371046][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3997.371046][ T10] ipv6_find_idev+0x102/0x170 [ 3997.371046][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3997.371046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.371046][ T10] netlink_rcv_skb+0x130/0x360 [ 3997.371046][ T10] netlink_unicast+0x449/0x710 [ 3997.371046][ T10] netlink_sendmsg+0x723/0xbe0 [ 3997.371046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3997.371046][ T10] ___sys_sendmsg+0xee/0x170 [ 3997.371046][ T10] __sys_sendmsg+0xcd/0x170 [ 3997.371046][ T10] do_syscall_64+0xc6/0x1e0 [ 3997.371046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3997.371046][ T10] [ 3997.372737][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 3997.372984][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3997.372984][ T10] netdev_get_by_index+0x5e/0x80 [ 3997.372984][ T10] fib6_nh_init+0x3d8/0x1580 [ 3997.372984][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3997.372984][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3997.372984][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3997.372984][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3997.372984][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3997.372984][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3997.372984][ T10] addrconf_dad_begin+0x310/0x670 [ 3997.372984][ T10] addrconf_dad_work+0x10b/0xab0 [ 3997.372984][ T10] process_one_work+0x84d/0x18a0 [ 3997.372984][ T10] worker_thread+0x587/0xd30 [ 3997.372984][ T10] kthread+0x28a/0x350 [ 3997.372984][ T10] ret_from_fork+0x31/0x70 [ 3997.372984][ T10] ret_from_fork_asm+0x1a/0x30 [ 3997.372984][ T10] [ 3997.374876][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3997.374876][ T10] netdev_get_by_index+0x5e/0x80 [ 3997.374876][ T10] fib6_nh_init+0x3d8/0x1580 [ 3997.374876][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3997.374876][ T10] ip6_route_add+0x1c/0x140 [ 3997.374876][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3997.374876][ T10] inet6_addr_add+0x4f8/0xa40 [ 3997.374876][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3997.374876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.374876][ T10] netlink_rcv_skb+0x130/0x360 [ 3997.374876][ T10] netlink_unicast+0x449/0x710 [ 3997.374876][ T10] netlink_sendmsg+0x723/0xbe0 [ 3997.374876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3997.374876][ T10] ___sys_sendmsg+0xee/0x170 [ 3997.374876][ T10] __sys_sendmsg+0xcd/0x170 [ 3997.374876][ T10] do_syscall_64+0xc6/0x1e0 [ 3997.374876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3997.374876][ T10] [ 3997.376879][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3997.376879][ T10] netdev_get_by_index+0x5e/0x80 [ 3997.376879][ T10] fib6_nh_init+0x3d8/0x1580 [ 3997.376879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3997.376879][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3997.376879][ T10] ipv6_add_addr+0x411/0x2000 [ 3997.376879][ T10] inet6_addr_add+0x30e/0xa40 [ 3997.376879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3997.376879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.376879][ T10] netlink_rcv_skb+0x130/0x360 [ 3997.376879][ T10] netlink_unicast+0x449/0x710 [ 3997.376879][ T10] netlink_sendmsg+0x723/0xbe0 [ 3997.376879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3997.376879][ T10] ___sys_sendmsg+0xee/0x170 [ 3997.376879][ T10] __sys_sendmsg+0xcd/0x170 [ 3997.376879][ T10] do_syscall_64+0xc6/0x1e0 [ 3997.376879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3997.376879][ T10] [ 3997.378855][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3997.378855][ T10] netdev_get_by_index+0x5e/0x80 [ 3997.378855][ T10] fib6_nh_init+0x3d8/0x1580 [ 3997.378855][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3997.378855][ T10] ip6_route_add+0x1c/0x140 [ 3997.378855][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3997.378855][ T10] addrconf_add_dev+0xe2/0x170 [ 3997.378855][ T10] inet6_addr_add+0x12f/0xa40 [ 3997.378855][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3997.378855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.378855][ T10] netlink_rcv_skb+0x130/0x360 [ 3997.378855][ T10] netlink_unicast+0x449/0x710 [ 3997.378855][ T10] netlink_sendmsg+0x723/0xbe0 [ 3997.378855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3997.378855][ T10] ___sys_sendmsg+0xee/0x170 [ 3997.378855][ T10] __sys_sendmsg+0xcd/0x170 [ 3997.378855][ T10] do_syscall_64+0xc6/0x1e0 [ 3997.378855][ T10] [ 3997.380824][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3997.380824][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3997.380824][ T10] ipv6_find_idev+0x102/0x170 [ 3997.380824][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3997.380824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.380824][ T10] netlink_rcv_skb+0x130/0x360 [ 3997.380824][ T10] netlink_unicast+0x449/0x710 [ 3997.380824][ T10] netlink_sendmsg+0x723/0xbe0 [ 3997.380824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3997.380824][ T10] ___sys_sendmsg+0xee/0x170 [ 3997.380824][ T10] __sys_sendmsg+0xcd/0x170 [ 3997.380824][ T10] do_syscall_64+0xc6/0x1e0 [ 3997.380824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3997.380824][ T10] [ 3997.382349][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 3997.382349][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3997.382349][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3997.382349][ T10] ipv6_find_idev+0x102/0x170 [ 3997.382349][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3997.382349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.382349][ T10] netlink_rcv_skb+0x130/0x360 [ 3997.382349][ T10] netlink_unicast+0x449/0x710 [ 3997.382349][ T10] netlink_sendmsg+0x723/0xbe0 [ 3997.382349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3997.382349][ T10] ___sys_sendmsg+0xee/0x170 [ 3997.382349][ T10] __sys_sendmsg+0xcd/0x170 [ 3997.382349][ T10] do_syscall_64+0xc6/0x1e0 [ 3997.382349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3997.382349][ T10] [ 3997.384032][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 3997.384269][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3997.384269][ T10] netdev_get_by_index+0x5e/0x80 [ 3997.384269][ T10] fib6_nh_init+0x3d8/0x1580 [ 3997.384269][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3997.384269][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3997.384269][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3997.384269][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3997.384269][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3997.384269][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3997.384269][ T10] addrconf_dad_begin+0x310/0x670 [ 3997.384269][ T10] addrconf_dad_work+0x10b/0xab0 [ 3997.384269][ T10] process_one_work+0x84d/0x18a0 [ 3997.384269][ T10] worker_thread+0x587/0xd30 [ 3997.384269][ T10] kthread+0x28a/0x350 [ 3997.384269][ T10] ret_from_fork+0x31/0x70 [ 3997.384269][ T10] ret_from_fork_asm+0x1a/0x30 [ 3997.384269][ T10] [ 3997.386187][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3997.386187][ T10] netdev_get_by_index+0x5e/0x80 [ 3997.386187][ T10] fib6_nh_init+0x3d8/0x1580 [ 3997.386187][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3997.386187][ T10] ip6_route_add+0x1c/0x140 [ 3997.386187][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3997.386187][ T10] inet6_addr_add+0x4f8/0xa40 [ 3997.386187][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3997.386187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.386187][ T10] netlink_rcv_skb+0x130/0x360 [ 3997.386187][ T10] netlink_unicast+0x449/0x710 [ 3997.386187][ T10] netlink_sendmsg+0x723/0xbe0 [ 3997.386187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3997.386187][ T10] ___sys_sendmsg+0xee/0x170 [ 3997.386187][ T10] __sys_sendmsg+0xcd/0x170 [ 3997.386187][ T10] do_syscall_64+0xc6/0x1e0 [ 3997.386187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3997.386187][ T10] [ 3997.388350][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3997.388350][ T10] netdev_get_by_index+0x5e/0x80 [ 3997.388350][ T10] fib6_nh_init+0x3d8/0x1580 [ 3997.388350][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3997.388350][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3997.388350][ T10] ipv6_add_addr+0x411/0x2000 [ 3997.388350][ T10] inet6_addr_add+0x30e/0xa40 [ 3997.388350][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3997.388350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.388350][ T10] netlink_rcv_skb+0x130/0x360 [ 3997.388350][ T10] netlink_unicast+0x449/0x710 [ 3997.388350][ T10] netlink_sendmsg+0x723/0xbe0 [ 3997.388350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3997.388350][ T10] ___sys_sendmsg+0xee/0x170 [ 3997.388350][ T10] __sys_sendmsg+0xcd/0x170 [ 3997.388350][ T10] do_syscall_64+0xc6/0x1e0 [ 3997.388350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3997.388350][ T10] [ 3997.390660][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3997.390660][ T10] netdev_get_by_index+0x5e/0x80 [ 3997.390660][ T10] fib6_nh_init+0x3d8/0x1580 [ 3997.390660][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3997.390660][ T10] ip6_route_add+0x1c/0x140 [ 3997.390660][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3997.390660][ T10] addrconf_add_dev+0xe2/0x170 [ 3997.390660][ T10] inet6_addr_add+0x12f/0xa40 [ 3997.390660][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3997.390660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.390660][ T10] netlink_rcv_skb+0x130/0x360 [ 3997.390660][ T10] netlink_unicast+0x449/0x710 [ 3997.390660][ T10] netlink_sendmsg+0x723/0xbe0 [ 3997.390660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3997.390660][ T10] ___sys_sendmsg+0xee/0x170 [ 3997.390660][ T10] __sys_sendmsg+0xcd/0x170 [ 3997.390660][ T10] do_syscall_64+0xc6/0x1e0 [ 3997.390660][ T10] [ 3997.392808][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3997.392808][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3997.392808][ T10] ipv6_find_idev+0x102/0x170 [ 3997.392808][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3997.392808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.392808][ T10] netlink_rcv_skb+0x130/0x360 [ 3997.392808][ T10] netlink_unicast+0x449/0x710 [ 3997.392808][ T10] netlink_sendmsg+0x723/0xbe0 [ 3997.392808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3997.392808][ T10] ___sys_sendmsg+0xee/0x170 [ 3997.392808][ T10] __sys_sendmsg+0xcd/0x170 [ 3997.392808][ T10] do_syscall_64+0xc6/0x1e0 [ 3997.392808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3997.392808][ T10] [ 3997.394519][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 3997.394519][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3997.394519][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3997.394519][ T10] ipv6_find_idev+0x102/0x170 [ 3997.394519][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3997.394519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.394519][ T10] netlink_rcv_skb+0x130/0x360 [ 3997.394519][ T10] netlink_unicast+0x449/0x710 [ 3997.394519][ T10] netlink_sendmsg+0x723/0xbe0 [ 3997.394519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3997.394519][ T10] ___sys_sendmsg+0xee/0x170 [ 3997.394519][ T10] __sys_sendmsg+0xcd/0x170 [ 3997.394519][ T10] do_syscall_64+0xc6/0x1e0 [ 3997.394519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3997.394519][ T10] [ 3997.396476][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 3997.396716][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3997.396716][ T10] netdev_get_by_index+0x5e/0x80 [ 3997.396716][ T10] fib6_nh_init+0x3d8/0x1580 [ 3997.396716][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3997.396716][ T10] addrconf_f6i_alloc+0x265/0x560 [ 3997.396716][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3997.396716][ T10] addrconf_join_anycast+0x1c0/0x220 [ 3997.396716][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3997.396716][ T10] addrconf_dad_completed+0x12b/0xe20 [ 3997.396716][ T10] addrconf_dad_begin+0x310/0x670 [ 3997.396716][ T10] addrconf_dad_work+0x10b/0xab0 [ 3997.396716][ T10] process_one_work+0x84d/0x18a0 [ 3997.396716][ T10] worker_thread+0x587/0xd30 [ 3997.396716][ T10] kthread+0x28a/0x350 [ 3997.396716][ T10] ret_from_fork+0x31/0x70 [ 3997.396716][ T10] ret_from_fork_asm+0x1a/0x30 [ 3997.396716][ T10] [ 3997.398933][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3997.398933][ T10] netdev_get_by_index+0x5e/0x80 [ 3997.398933][ T10] fib6_nh_init+0x3d8/0x1580 [ 3997.398933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3997.398933][ T10] ip6_route_add+0x1c/0x140 [ 3997.398933][ T10] addrconf_prefix_route+0x2a6/0x430 [ 3997.398933][ T10] inet6_addr_add+0x4f8/0xa40 [ 3997.398933][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3997.398933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.398933][ T10] netlink_rcv_skb+0x130/0x360 [ 3997.398933][ T10] netlink_unicast+0x449/0x710 [ 3997.398933][ T10] netlink_sendmsg+0x723/0xbe0 [ 3997.398933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3997.398933][ T10] ___sys_sendmsg+0xee/0x170 [ 3997.398933][ T10] __sys_sendmsg+0xcd/0x170 [ 3997.398933][ T10] do_syscall_64+0xc6/0x1e0 [ 3997.398933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3997.398933][ T10] [ 3997.401134][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3997.401134][ T10] netdev_get_by_index+0x5e/0x80 [ 3997.401134][ T10] fib6_nh_init+0x3d8/0x1580 [ 3997.401134][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3997.401134][ T10] addrconf_f6i_alloc+0x315/0x560 [ 3997.401134][ T10] ipv6_add_addr+0x411/0x2000 [ 3997.401134][ T10] inet6_addr_add+0x30e/0xa40 [ 3997.401134][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3997.401134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.401134][ T10] netlink_rcv_skb+0x130/0x360 [ 3997.401134][ T10] netlink_unicast+0x449/0x710 [ 3997.401134][ T10] netlink_sendmsg+0x723/0xbe0 [ 3997.401134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3997.401134][ T10] ___sys_sendmsg+0xee/0x170 [ 3997.401134][ T10] __sys_sendmsg+0xcd/0x170 [ 3997.401134][ T10] do_syscall_64+0xc6/0x1e0 [ 3997.401134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3997.401134][ T10] [ 3997.403358][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3997.403358][ T10] netdev_get_by_index+0x5e/0x80 [ 3997.403358][ T10] fib6_nh_init+0x3d8/0x1580 [ 3997.403358][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3997.403358][ T10] ip6_route_add+0x1c/0x140 [ 3997.403358][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 3997.403358][ T10] addrconf_add_dev+0xe2/0x170 [ 3997.403358][ T10] inet6_addr_add+0x12f/0xa40 [ 3997.403358][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3997.403358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.403358][ T10] netlink_rcv_skb+0x130/0x360 [ 3997.403358][ T10] netlink_unicast+0x449/0x710 [ 3997.403358][ T10] netlink_sendmsg+0x723/0xbe0 [ 3997.403358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3997.403358][ T10] ___sys_sendmsg+0xee/0x170 [ 3997.403358][ T10] __sys_sendmsg+0xcd/0x170 [ 3997.403358][ T10] do_syscall_64+0xc6/0x1e0 [ 3997.403358][ T10] [ 3997.405569][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3997.405569][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3997.405569][ T10] ipv6_find_idev+0x102/0x170 [ 3997.405569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3997.405569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.405569][ T10] netlink_rcv_skb+0x130/0x360 [ 3997.405569][ T10] netlink_unicast+0x449/0x710 [ 3997.405569][ T10] netlink_sendmsg+0x723/0xbe0 [ 3997.405569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3997.405569][ T10] ___sys_sendmsg+0xee/0x170 [ 3997.405569][ T10] __sys_sendmsg+0xcd/0x170 [ 3997.405569][ T10] do_syscall_64+0xc6/0x1e0 [ 3997.405569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3997.405569][ T10] [ 3997.407277][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 3997.407277][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3997.407277][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3997.407277][ T10] ipv6_find_idev+0x102/0x170 [ 3997.407277][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3997.407277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.407277][ T10] netlink_rcv_skb+0x130/0x360 [ 3997.407277][ T10] netlink_unicast+0x449/0x710 [ 3997.407277][ T10] netlink_sendmsg+0x723/0xbe0 [ 3997.407277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3997.407277][ T10] ___sys_sendmsg+0xee/0x170 [ 3997.407277][ T10] __sys_sendmsg+0xcd/0x170 [ 3997.407277][ T10] do_syscall_64+0xc6/0x1e0 [ 3997.407277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3997.407277][ T10] [ 4005.017108][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4005.017522][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4005.017522][ T1167] dst_init+0x84/0x4a0 [ 4005.017522][ T1167] dst_alloc+0x97/0x150 [ 4005.017522][ T1167] ip6_dst_alloc+0x23/0x90 [ 4005.017522][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4005.017522][ T1167] ip6_pol_route+0x56f/0x840 [ 4005.017522][ T1167] fib6_rule_lookup+0x334/0x630 [ 4005.017522][ T1167] ip6_route_output_flags+0x259/0x480 [ 4005.017522][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4005.017522][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4005.017522][ T1167] netlink_rcv_skb+0x130/0x360 [ 4005.017522][ T1167] netlink_unicast+0x449/0x710 [ 4005.017522][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4005.017522][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4005.017522][ T1167] ___sys_sendmsg+0xee/0x170 [ 4005.017522][ T1167] __sys_sendmsg+0xcd/0x170 [ 4005.017522][ T1167] do_syscall_64+0xc6/0x1e0 [ 4005.017522][ T1167] [ 4005.019737][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4005.019737][ T1167] netdev_get_by_index+0x5e/0x80 [ 4005.019737][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4005.019737][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4005.019737][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4005.019737][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4005.019737][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4005.019737][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4005.019737][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4005.019737][ T1167] addrconf_dad_begin+0x310/0x670 [ 4005.019737][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4005.019737][ T1167] process_one_work+0x84d/0x18a0 [ 4005.019737][ T1167] worker_thread+0x587/0xd30 [ 4005.019737][ T1167] kthread+0x28a/0x350 [ 4005.019737][ T1167] ret_from_fork+0x31/0x70 [ 4005.019737][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4005.019737][ T1167] [ 4005.021878][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4005.021878][ T1167] netdev_get_by_index+0x5e/0x80 [ 4005.021878][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4005.021878][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4005.021878][ T1167] ip6_route_add+0x1c/0x140 [ 4005.021878][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4005.021878][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4005.021878][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4005.021878][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4005.021878][ T1167] netlink_rcv_skb+0x130/0x360 [ 4005.021878][ T1167] netlink_unicast+0x449/0x710 [ 4005.021878][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4005.021878][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4005.021878][ T1167] ___sys_sendmsg+0xee/0x170 [ 4005.021878][ T1167] __sys_sendmsg+0xcd/0x170 [ 4005.021878][ T1167] do_syscall_64+0xc6/0x1e0 [ 4005.021878][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4005.021878][ T1167] [ 4005.024114][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4005.024114][ T1167] netdev_get_by_index+0x5e/0x80 [ 4005.024114][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4005.024114][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4005.024114][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4005.024114][ T1167] ipv6_add_addr+0x411/0x2000 [ 4005.024114][ T1167] inet6_addr_add+0x30e/0xa40 [ 4005.024114][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4005.024114][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4005.024114][ T1167] netlink_rcv_skb+0x130/0x360 [ 4005.024114][ T1167] netlink_unicast+0x449/0x710 [ 4005.024114][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4005.024114][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4005.024114][ T1167] ___sys_sendmsg+0xee/0x170 [ 4005.024114][ T1167] __sys_sendmsg+0xcd/0x170 [ 4005.024114][ T1167] do_syscall_64+0xc6/0x1e0 [ 4005.024114][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4005.024114][ T1167] [ 4005.026349][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4005.026349][ T1167] netdev_get_by_index+0x5e/0x80 [ 4005.026349][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4005.026349][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4005.026349][ T1167] ip6_route_add+0x1c/0x140 [ 4005.026349][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4005.026349][ T1167] addrconf_add_dev+0xe2/0x170 [ 4005.026349][ T1167] inet6_addr_add+0x12f/0xa40 [ 4005.026349][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4005.026349][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4005.026349][ T1167] netlink_rcv_skb+0x130/0x360 [ 4005.026349][ T1167] netlink_unicast+0x449/0x710 [ 4005.026349][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4005.026349][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4005.026349][ T1167] ___sys_sendmsg+0xee/0x170 [ 4005.026349][ T1167] __sys_sendmsg+0xcd/0x170 [ 4005.026349][ T1167] do_syscall_64+0xc6/0x1e0 [ 4005.026349][ T1167] [ 4005.028555][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4005.028555][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4005.028555][ T1167] ipv6_find_idev+0x102/0x170 [ 4005.028555][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4005.028555][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4005.028555][ T1167] netlink_rcv_skb+0x130/0x360 [ 4005.028555][ T1167] netlink_unicast+0x449/0x710 [ 4005.028555][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4005.028555][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4005.028555][ T1167] ___sys_sendmsg+0xee/0x170 [ 4005.028555][ T1167] __sys_sendmsg+0xcd/0x170 [ 4005.028555][ T1167] do_syscall_64+0xc6/0x1e0 [ 4005.028555][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4005.028555][ T1167] [ 4005.030282][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4005.030282][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4005.030282][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4005.030282][ T1167] ipv6_find_idev+0x102/0x170 [ 4005.030282][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4005.030282][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4005.030282][ T1167] netlink_rcv_skb+0x130/0x360 [ 4005.030282][ T1167] netlink_unicast+0x449/0x710 [ 4005.030282][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4005.030282][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4005.030282][ T1167] ___sys_sendmsg+0xee/0x170 [ 4005.030282][ T1167] __sys_sendmsg+0xcd/0x170 [ 4005.030282][ T1167] do_syscall_64+0xc6/0x1e0 [ 4005.030282][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4005.030282][ T1167] [ 4007.577137][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4007.577602][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4007.577602][ T10] netdev_get_by_index+0x5e/0x80 [ 4007.577602][ T10] fib6_nh_init+0x3d8/0x1580 [ 4007.577602][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4007.577602][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4007.577602][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4007.577602][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4007.577602][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4007.577602][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4007.577602][ T10] addrconf_dad_begin+0x310/0x670 [ 4007.577602][ T10] addrconf_dad_work+0x10b/0xab0 [ 4007.577602][ T10] process_one_work+0x84d/0x18a0 [ 4007.577602][ T10] worker_thread+0x587/0xd30 [ 4007.577602][ T10] kthread+0x28a/0x350 [ 4007.577602][ T10] ret_from_fork+0x31/0x70 [ 4007.577602][ T10] ret_from_fork_asm+0x1a/0x30 [ 4007.577602][ T10] [ 4007.579581][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4007.579581][ T10] netdev_get_by_index+0x5e/0x80 [ 4007.579581][ T10] fib6_nh_init+0x3d8/0x1580 [ 4007.579581][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4007.579581][ T10] ip6_route_add+0x1c/0x140 [ 4007.579581][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4007.579581][ T10] inet6_addr_add+0x4f8/0xa40 [ 4007.579581][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4007.579581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.579581][ T10] netlink_rcv_skb+0x130/0x360 [ 4007.579581][ T10] netlink_unicast+0x449/0x710 [ 4007.579581][ T10] netlink_sendmsg+0x723/0xbe0 [ 4007.579581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4007.579581][ T10] ___sys_sendmsg+0xee/0x170 [ 4007.579581][ T10] __sys_sendmsg+0xcd/0x170 [ 4007.579581][ T10] do_syscall_64+0xc6/0x1e0 [ 4007.579581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4007.579581][ T10] [ 4007.581616][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4007.581616][ T10] netdev_get_by_index+0x5e/0x80 [ 4007.581616][ T10] fib6_nh_init+0x3d8/0x1580 [ 4007.581616][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4007.581616][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4007.581616][ T10] ipv6_add_addr+0x411/0x2000 [ 4007.581616][ T10] inet6_addr_add+0x30e/0xa40 [ 4007.581616][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4007.581616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.581616][ T10] netlink_rcv_skb+0x130/0x360 [ 4007.581616][ T10] netlink_unicast+0x449/0x710 [ 4007.581616][ T10] netlink_sendmsg+0x723/0xbe0 [ 4007.581616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4007.581616][ T10] ___sys_sendmsg+0xee/0x170 [ 4007.581616][ T10] __sys_sendmsg+0xcd/0x170 [ 4007.581616][ T10] do_syscall_64+0xc6/0x1e0 [ 4007.581616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4007.581616][ T10] [ 4007.583639][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4007.583639][ T10] netdev_get_by_index+0x5e/0x80 [ 4007.583639][ T10] fib6_nh_init+0x3d8/0x1580 [ 4007.583639][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4007.583639][ T10] ip6_route_add+0x1c/0x140 [ 4007.583639][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4007.583639][ T10] addrconf_add_dev+0xe2/0x170 [ 4007.583639][ T10] inet6_addr_add+0x12f/0xa40 [ 4007.583639][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4007.583639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.583639][ T10] netlink_rcv_skb+0x130/0x360 [ 4007.583639][ T10] netlink_unicast+0x449/0x710 [ 4007.583639][ T10] netlink_sendmsg+0x723/0xbe0 [ 4007.583639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4007.583639][ T10] ___sys_sendmsg+0xee/0x170 [ 4007.583639][ T10] __sys_sendmsg+0xcd/0x170 [ 4007.583639][ T10] do_syscall_64+0xc6/0x1e0 [ 4007.583639][ T10] [ 4007.585631][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4007.585631][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4007.585631][ T10] ipv6_find_idev+0x102/0x170 [ 4007.585631][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4007.585631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.585631][ T10] netlink_rcv_skb+0x130/0x360 [ 4007.585631][ T10] netlink_unicast+0x449/0x710 [ 4007.585631][ T10] netlink_sendmsg+0x723/0xbe0 [ 4007.585631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4007.585631][ T10] ___sys_sendmsg+0xee/0x170 [ 4007.585631][ T10] __sys_sendmsg+0xcd/0x170 [ 4007.585631][ T10] do_syscall_64+0xc6/0x1e0 [ 4007.585631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4007.585631][ T10] [ 4007.587174][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4007.587174][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4007.587174][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4007.587174][ T10] ipv6_find_idev+0x102/0x170 [ 4007.587174][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4007.587174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.587174][ T10] netlink_rcv_skb+0x130/0x360 [ 4007.587174][ T10] netlink_unicast+0x449/0x710 [ 4007.587174][ T10] netlink_sendmsg+0x723/0xbe0 [ 4007.587174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4007.587174][ T10] ___sys_sendmsg+0xee/0x170 [ 4007.587174][ T10] __sys_sendmsg+0xcd/0x170 [ 4007.587174][ T10] do_syscall_64+0xc6/0x1e0 [ 4007.587174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4007.587174][ T10] [ 4007.588895][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4007.589169][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4007.589169][ T10] netdev_get_by_index+0x5e/0x80 [ 4007.589169][ T10] fib6_nh_init+0x3d8/0x1580 [ 4007.589169][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4007.589169][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4007.589169][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4007.589169][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4007.589169][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4007.589169][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4007.589169][ T10] addrconf_dad_begin+0x310/0x670 [ 4007.589169][ T10] addrconf_dad_work+0x10b/0xab0 [ 4007.589169][ T10] process_one_work+0x84d/0x18a0 [ 4007.589169][ T10] worker_thread+0x587/0xd30 [ 4007.589169][ T10] kthread+0x28a/0x350 [ 4007.589169][ T10] ret_from_fork+0x31/0x70 [ 4007.589169][ T10] ret_from_fork_asm+0x1a/0x30 [ 4007.589169][ T10] [ 4007.591119][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4007.591119][ T10] netdev_get_by_index+0x5e/0x80 [ 4007.591119][ T10] fib6_nh_init+0x3d8/0x1580 [ 4007.591119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4007.591119][ T10] ip6_route_add+0x1c/0x140 [ 4007.591119][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4007.591119][ T10] inet6_addr_add+0x4f8/0xa40 [ 4007.591119][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4007.591119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.591119][ T10] netlink_rcv_skb+0x130/0x360 [ 4007.591119][ T10] netlink_unicast+0x449/0x710 [ 4007.591119][ T10] netlink_sendmsg+0x723/0xbe0 [ 4007.591119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4007.591119][ T10] ___sys_sendmsg+0xee/0x170 [ 4007.591119][ T10] __sys_sendmsg+0xcd/0x170 [ 4007.591119][ T10] do_syscall_64+0xc6/0x1e0 [ 4007.591119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4007.591119][ T10] [ 4007.593198][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4007.593198][ T10] netdev_get_by_index+0x5e/0x80 [ 4007.593198][ T10] fib6_nh_init+0x3d8/0x1580 [ 4007.593198][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4007.593198][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4007.593198][ T10] ipv6_add_addr+0x411/0x2000 [ 4007.593198][ T10] inet6_addr_add+0x30e/0xa40 [ 4007.593198][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4007.593198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.593198][ T10] netlink_rcv_skb+0x130/0x360 [ 4007.593198][ T10] netlink_unicast+0x449/0x710 [ 4007.593198][ T10] netlink_sendmsg+0x723/0xbe0 [ 4007.593198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4007.593198][ T10] ___sys_sendmsg+0xee/0x170 [ 4007.593198][ T10] __sys_sendmsg+0xcd/0x170 [ 4007.593198][ T10] do_syscall_64+0xc6/0x1e0 [ 4007.593198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4007.593198][ T10] [ 4007.595243][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4007.595243][ T10] netdev_get_by_index+0x5e/0x80 [ 4007.595243][ T10] fib6_nh_init+0x3d8/0x1580 [ 4007.595243][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4007.595243][ T10] ip6_route_add+0x1c/0x140 [ 4007.595243][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4007.595243][ T10] addrconf_add_dev+0xe2/0x170 [ 4007.595243][ T10] inet6_addr_add+0x12f/0xa40 [ 4007.595243][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4007.595243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.595243][ T10] netlink_rcv_skb+0x130/0x360 [ 4007.595243][ T10] netlink_unicast+0x449/0x710 [ 4007.595243][ T10] netlink_sendmsg+0x723/0xbe0 [ 4007.595243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4007.595243][ T10] ___sys_sendmsg+0xee/0x170 [ 4007.595243][ T10] __sys_sendmsg+0xcd/0x170 [ 4007.595243][ T10] do_syscall_64+0xc6/0x1e0 [ 4007.595243][ T10] [ 4007.597237][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4007.597237][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4007.597237][ T10] ipv6_find_idev+0x102/0x170 [ 4007.597237][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4007.597237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.597237][ T10] netlink_rcv_skb+0x130/0x360 [ 4007.597237][ T10] netlink_unicast+0x449/0x710 [ 4007.597237][ T10] netlink_sendmsg+0x723/0xbe0 [ 4007.597237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4007.597237][ T10] ___sys_sendmsg+0xee/0x170 [ 4007.597237][ T10] __sys_sendmsg+0xcd/0x170 [ 4007.597237][ T10] do_syscall_64+0xc6/0x1e0 [ 4007.597237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4007.597237][ T10] [ 4007.598794][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4007.598794][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4007.598794][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4007.598794][ T10] ipv6_find_idev+0x102/0x170 [ 4007.598794][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4007.598794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.598794][ T10] netlink_rcv_skb+0x130/0x360 [ 4007.598794][ T10] netlink_unicast+0x449/0x710 [ 4007.598794][ T10] netlink_sendmsg+0x723/0xbe0 [ 4007.598794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4007.598794][ T10] ___sys_sendmsg+0xee/0x170 [ 4007.598794][ T10] __sys_sendmsg+0xcd/0x170 [ 4007.598794][ T10] do_syscall_64+0xc6/0x1e0 [ 4007.598794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4007.598794][ T10] [ 4007.600549][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4007.600795][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4007.600795][ T10] netdev_get_by_index+0x5e/0x80 [ 4007.600795][ T10] fib6_nh_init+0x3d8/0x1580 [ 4007.600795][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4007.600795][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4007.600795][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4007.600795][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4007.600795][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4007.600795][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4007.600795][ T10] addrconf_dad_begin+0x310/0x670 [ 4007.600795][ T10] addrconf_dad_work+0x10b/0xab0 [ 4007.600795][ T10] process_one_work+0x84d/0x18a0 [ 4007.600795][ T10] worker_thread+0x587/0xd30 [ 4007.600795][ T10] kthread+0x28a/0x350 [ 4007.600795][ T10] ret_from_fork+0x31/0x70 [ 4007.600795][ T10] ret_from_fork_asm+0x1a/0x30 [ 4007.600795][ T10] [ 4007.602728][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4007.602728][ T10] netdev_get_by_index+0x5e/0x80 [ 4007.602728][ T10] fib6_nh_init+0x3d8/0x1580 [ 4007.602728][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4007.602728][ T10] ip6_route_add+0x1c/0x140 [ 4007.602728][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4007.602728][ T10] inet6_addr_add+0x4f8/0xa40 [ 4007.602728][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4007.602728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.602728][ T10] netlink_rcv_skb+0x130/0x360 [ 4007.602728][ T10] netlink_unicast+0x449/0x710 [ 4007.602728][ T10] netlink_sendmsg+0x723/0xbe0 [ 4007.602728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4007.602728][ T10] ___sys_sendmsg+0xee/0x170 [ 4007.602728][ T10] __sys_sendmsg+0xcd/0x170 [ 4007.602728][ T10] do_syscall_64+0xc6/0x1e0 [ 4007.602728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4007.602728][ T10] [ 4007.604899][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4007.604899][ T10] netdev_get_by_index+0x5e/0x80 [ 4007.604899][ T10] fib6_nh_init+0x3d8/0x1580 [ 4007.604899][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4007.604899][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4007.604899][ T10] ipv6_add_addr+0x411/0x2000 [ 4007.604899][ T10] inet6_addr_add+0x30e/0xa40 [ 4007.604899][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4007.604899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.604899][ T10] netlink_rcv_skb+0x130/0x360 [ 4007.604899][ T10] netlink_unicast+0x449/0x710 [ 4007.604899][ T10] netlink_sendmsg+0x723/0xbe0 [ 4007.604899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4007.604899][ T10] ___sys_sendmsg+0xee/0x170 [ 4007.604899][ T10] __sys_sendmsg+0xcd/0x170 [ 4007.604899][ T10] do_syscall_64+0xc6/0x1e0 [ 4007.604899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4007.604899][ T10] [ 4007.607054][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4007.607054][ T10] netdev_get_by_index+0x5e/0x80 [ 4007.607054][ T10] fib6_nh_init+0x3d8/0x1580 [ 4007.607054][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4007.607054][ T10] ip6_route_add+0x1c/0x140 [ 4007.607054][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4007.607054][ T10] addrconf_add_dev+0xe2/0x170 [ 4007.607054][ T10] inet6_addr_add+0x12f/0xa40 [ 4007.607054][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4007.607054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.607054][ T10] netlink_rcv_skb+0x130/0x360 [ 4007.607054][ T10] netlink_unicast+0x449/0x710 [ 4007.607054][ T10] netlink_sendmsg+0x723/0xbe0 [ 4007.607054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4007.607054][ T10] ___sys_sendmsg+0xee/0x170 [ 4007.607054][ T10] __sys_sendmsg+0xcd/0x170 [ 4007.607054][ T10] do_syscall_64+0xc6/0x1e0 [ 4007.607054][ T10] [ 4007.609165][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4007.609165][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4007.609165][ T10] ipv6_find_idev+0x102/0x170 [ 4007.609165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4007.609165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.609165][ T10] netlink_rcv_skb+0x130/0x360 [ 4007.609165][ T10] netlink_unicast+0x449/0x710 [ 4007.609165][ T10] netlink_sendmsg+0x723/0xbe0 [ 4007.609165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4007.609165][ T10] ___sys_sendmsg+0xee/0x170 [ 4007.609165][ T10] __sys_sendmsg+0xcd/0x170 [ 4007.609165][ T10] do_syscall_64+0xc6/0x1e0 [ 4007.609165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4007.609165][ T10] [ 4007.610853][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4007.610853][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4007.610853][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4007.610853][ T10] ipv6_find_idev+0x102/0x170 [ 4007.610853][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4007.610853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.610853][ T10] netlink_rcv_skb+0x130/0x360 [ 4007.610853][ T10] netlink_unicast+0x449/0x710 [ 4007.610853][ T10] netlink_sendmsg+0x723/0xbe0 [ 4007.610853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4007.610853][ T10] ___sys_sendmsg+0xee/0x170 [ 4007.610853][ T10] __sys_sendmsg+0xcd/0x170 [ 4007.610853][ T10] do_syscall_64+0xc6/0x1e0 [ 4007.610853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4007.610853][ T10] [ 4007.613036][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4007.613696][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4007.613696][ T10] netdev_get_by_index+0x5e/0x80 [ 4007.613696][ T10] fib6_nh_init+0x3d8/0x1580 [ 4007.613696][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4007.613696][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4007.613696][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4007.613696][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4007.613696][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4007.613696][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4007.613696][ T10] addrconf_dad_begin+0x310/0x670 [ 4007.613696][ T10] addrconf_dad_work+0x10b/0xab0 [ 4007.613696][ T10] process_one_work+0x84d/0x18a0 [ 4007.613696][ T10] worker_thread+0x587/0xd30 [ 4007.613696][ T10] kthread+0x28a/0x350 [ 4007.613696][ T10] ret_from_fork+0x31/0x70 [ 4007.613696][ T10] ret_from_fork_asm+0x1a/0x30 [ 4007.613696][ T10] [ 4007.615618][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4007.615618][ T10] netdev_get_by_index+0x5e/0x80 [ 4007.615618][ T10] fib6_nh_init+0x3d8/0x1580 [ 4007.615618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4007.615618][ T10] ip6_route_add+0x1c/0x140 [ 4007.615618][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4007.615618][ T10] inet6_addr_add+0x4f8/0xa40 [ 4007.615618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4007.615618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.615618][ T10] netlink_rcv_skb+0x130/0x360 [ 4007.615618][ T10] netlink_unicast+0x449/0x710 [ 4007.615618][ T10] netlink_sendmsg+0x723/0xbe0 [ 4007.615618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4007.615618][ T10] ___sys_sendmsg+0xee/0x170 [ 4007.615618][ T10] __sys_sendmsg+0xcd/0x170 [ 4007.615618][ T10] do_syscall_64+0xc6/0x1e0 [ 4007.615618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4007.615618][ T10] [ 4007.617637][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4007.617637][ T10] netdev_get_by_index+0x5e/0x80 [ 4007.617637][ T10] fib6_nh_init+0x3d8/0x1580 [ 4007.617637][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4007.617637][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4007.617637][ T10] ipv6_add_addr+0x411/0x2000 [ 4007.617637][ T10] inet6_addr_add+0x30e/0xa40 [ 4007.617637][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4007.617637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.617637][ T10] netlink_rcv_skb+0x130/0x360 [ 4007.617637][ T10] netlink_unicast+0x449/0x710 [ 4007.617637][ T10] netlink_sendmsg+0x723/0xbe0 [ 4007.617637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4007.617637][ T10] ___sys_sendmsg+0xee/0x170 [ 4007.617637][ T10] __sys_sendmsg+0xcd/0x170 [ 4007.617637][ T10] do_syscall_64+0xc6/0x1e0 [ 4007.617637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4007.617637][ T10] [ 4007.619651][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4007.619651][ T10] netdev_get_by_index+0x5e/0x80 [ 4007.619651][ T10] fib6_nh_init+0x3d8/0x1580 [ 4007.619651][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4007.619651][ T10] ip6_route_add+0x1c/0x140 [ 4007.619651][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4007.619651][ T10] addrconf_add_dev+0xe2/0x170 [ 4007.619651][ T10] inet6_addr_add+0x12f/0xa40 [ 4007.619651][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4007.619651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.619651][ T10] netlink_rcv_skb+0x130/0x360 [ 4007.619651][ T10] netlink_unicast+0x449/0x710 [ 4007.619651][ T10] netlink_sendmsg+0x723/0xbe0 [ 4007.619651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4007.619651][ T10] ___sys_sendmsg+0xee/0x170 [ 4007.619651][ T10] __sys_sendmsg+0xcd/0x170 [ 4007.619651][ T10] do_syscall_64+0xc6/0x1e0 [ 4007.619651][ T10] [ 4007.621824][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4007.621824][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4007.621824][ T10] ipv6_find_idev+0x102/0x170 [ 4007.621824][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4007.621824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.621824][ T10] netlink_rcv_skb+0x130/0x360 [ 4007.621824][ T10] netlink_unicast+0x449/0x710 [ 4007.621824][ T10] netlink_sendmsg+0x723/0xbe0 [ 4007.621824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4007.621824][ T10] ___sys_sendmsg+0xee/0x170 [ 4007.621824][ T10] __sys_sendmsg+0xcd/0x170 [ 4007.621824][ T10] do_syscall_64+0xc6/0x1e0 [ 4007.621824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4007.621824][ T10] [ 4007.623434][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4007.623434][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4007.623434][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4007.623434][ T10] ipv6_find_idev+0x102/0x170 [ 4007.623434][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4007.623434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.623434][ T10] netlink_rcv_skb+0x130/0x360 [ 4007.623434][ T10] netlink_unicast+0x449/0x710 [ 4007.623434][ T10] netlink_sendmsg+0x723/0xbe0 [ 4007.623434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4007.623434][ T10] ___sys_sendmsg+0xee/0x170 [ 4007.623434][ T10] __sys_sendmsg+0xcd/0x170 [ 4007.623434][ T10] do_syscall_64+0xc6/0x1e0 [ 4007.623434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4007.623434][ T10] [ 4015.273132][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4015.273603][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4015.273603][ T1167] dst_init+0x84/0x4a0 [ 4015.273603][ T1167] dst_alloc+0x97/0x150 [ 4015.273603][ T1167] ip6_dst_alloc+0x23/0x90 [ 4015.273603][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4015.273603][ T1167] ip6_pol_route+0x56f/0x840 [ 4015.273603][ T1167] fib6_rule_lookup+0x334/0x630 [ 4015.273603][ T1167] ip6_route_output_flags+0x259/0x480 [ 4015.273603][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4015.273603][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4015.273603][ T1167] netlink_rcv_skb+0x130/0x360 [ 4015.273603][ T1167] netlink_unicast+0x449/0x710 [ 4015.273603][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4015.273603][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4015.273603][ T1167] ___sys_sendmsg+0xee/0x170 [ 4015.273603][ T1167] __sys_sendmsg+0xcd/0x170 [ 4015.273603][ T1167] do_syscall_64+0xc6/0x1e0 [ 4015.273603][ T1167] [ 4015.275855][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4015.275855][ T1167] netdev_get_by_index+0x5e/0x80 [ 4015.275855][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4015.275855][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4015.275855][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4015.275855][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4015.275855][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4015.275855][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4015.275855][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4015.275855][ T1167] addrconf_dad_begin+0x310/0x670 [ 4015.275855][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4015.275855][ T1167] process_one_work+0x84d/0x18a0 [ 4015.275855][ T1167] worker_thread+0x587/0xd30 [ 4015.275855][ T1167] kthread+0x28a/0x350 [ 4015.275855][ T1167] ret_from_fork+0x31/0x70 [ 4015.275855][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4015.275855][ T1167] [ 4015.277991][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4015.277991][ T1167] netdev_get_by_index+0x5e/0x80 [ 4015.277991][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4015.277991][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4015.277991][ T1167] ip6_route_add+0x1c/0x140 [ 4015.277991][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4015.277991][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4015.277991][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4015.277991][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4015.277991][ T1167] netlink_rcv_skb+0x130/0x360 [ 4015.277991][ T1167] netlink_unicast+0x449/0x710 [ 4015.277991][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4015.277991][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4015.277991][ T1167] ___sys_sendmsg+0xee/0x170 [ 4015.277991][ T1167] __sys_sendmsg+0xcd/0x170 [ 4015.277991][ T1167] do_syscall_64+0xc6/0x1e0 [ 4015.277991][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4015.277991][ T1167] [ 4015.280333][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4015.280333][ T1167] netdev_get_by_index+0x5e/0x80 [ 4015.280333][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4015.280333][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4015.280333][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4015.280333][ T1167] ipv6_add_addr+0x411/0x2000 [ 4015.280333][ T1167] inet6_addr_add+0x30e/0xa40 [ 4015.280333][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4015.280333][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4015.280333][ T1167] netlink_rcv_skb+0x130/0x360 [ 4015.280333][ T1167] netlink_unicast+0x449/0x710 [ 4015.280333][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4015.280333][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4015.280333][ T1167] ___sys_sendmsg+0xee/0x170 [ 4015.280333][ T1167] __sys_sendmsg+0xcd/0x170 [ 4015.280333][ T1167] do_syscall_64+0xc6/0x1e0 [ 4015.280333][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4015.280333][ T1167] [ 4015.282569][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4015.282569][ T1167] netdev_get_by_index+0x5e/0x80 [ 4015.282569][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4015.282569][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4015.282569][ T1167] ip6_route_add+0x1c/0x140 [ 4015.282569][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4015.282569][ T1167] addrconf_add_dev+0xe2/0x170 [ 4015.282569][ T1167] inet6_addr_add+0x12f/0xa40 [ 4015.282569][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4015.282569][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4015.282569][ T1167] netlink_rcv_skb+0x130/0x360 [ 4015.282569][ T1167] netlink_unicast+0x449/0x710 [ 4015.282569][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4015.282569][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4015.282569][ T1167] ___sys_sendmsg+0xee/0x170 [ 4015.282569][ T1167] __sys_sendmsg+0xcd/0x170 [ 4015.282569][ T1167] do_syscall_64+0xc6/0x1e0 [ 4015.282569][ T1167] [ 4015.284783][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4015.284783][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4015.284783][ T1167] ipv6_find_idev+0x102/0x170 [ 4015.284783][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4015.284783][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4015.284783][ T1167] netlink_rcv_skb+0x130/0x360 [ 4015.284783][ T1167] netlink_unicast+0x449/0x710 [ 4015.284783][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4015.284783][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4015.284783][ T1167] ___sys_sendmsg+0xee/0x170 [ 4015.284783][ T1167] __sys_sendmsg+0xcd/0x170 [ 4015.284783][ T1167] do_syscall_64+0xc6/0x1e0 [ 4015.284783][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4015.284783][ T1167] [ 4015.286506][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4015.286506][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4015.286506][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4015.286506][ T1167] ipv6_find_idev+0x102/0x170 [ 4015.286506][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4015.286506][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4015.286506][ T1167] netlink_rcv_skb+0x130/0x360 [ 4015.286506][ T1167] netlink_unicast+0x449/0x710 [ 4015.286506][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4015.286506][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4015.286506][ T1167] ___sys_sendmsg+0xee/0x170 [ 4015.286506][ T1167] __sys_sendmsg+0xcd/0x170 [ 4015.286506][ T1167] do_syscall_64+0xc6/0x1e0 [ 4015.286506][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4015.286506][ T1167] [ 4017.873150][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4017.873525][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4017.873525][ T10] netdev_get_by_index+0x5e/0x80 [ 4017.873525][ T10] fib6_nh_init+0x3d8/0x1580 [ 4017.873525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4017.873525][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4017.873525][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4017.873525][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4017.873525][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4017.873525][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4017.873525][ T10] addrconf_dad_begin+0x310/0x670 [ 4017.873525][ T10] addrconf_dad_work+0x10b/0xab0 [ 4017.873525][ T10] process_one_work+0x84d/0x18a0 [ 4017.873525][ T10] worker_thread+0x587/0xd30 [ 4017.873525][ T10] kthread+0x28a/0x350 [ 4017.873525][ T10] ret_from_fork+0x31/0x70 [ 4017.873525][ T10] ret_from_fork_asm+0x1a/0x30 [ 4017.873525][ T10] [ 4017.875481][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4017.875481][ T10] netdev_get_by_index+0x5e/0x80 [ 4017.875481][ T10] fib6_nh_init+0x3d8/0x1580 [ 4017.875481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4017.875481][ T10] ip6_route_add+0x1c/0x140 [ 4017.875481][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4017.875481][ T10] inet6_addr_add+0x4f8/0xa40 [ 4017.875481][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4017.875481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.875481][ T10] netlink_rcv_skb+0x130/0x360 [ 4017.875481][ T10] netlink_unicast+0x449/0x710 [ 4017.875481][ T10] netlink_sendmsg+0x723/0xbe0 [ 4017.875481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4017.875481][ T10] ___sys_sendmsg+0xee/0x170 [ 4017.875481][ T10] __sys_sendmsg+0xcd/0x170 [ 4017.875481][ T10] do_syscall_64+0xc6/0x1e0 [ 4017.875481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.875481][ T10] [ 4017.877492][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4017.877492][ T10] netdev_get_by_index+0x5e/0x80 [ 4017.877492][ T10] fib6_nh_init+0x3d8/0x1580 [ 4017.877492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4017.877492][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4017.877492][ T10] ipv6_add_addr+0x411/0x2000 [ 4017.877492][ T10] inet6_addr_add+0x30e/0xa40 [ 4017.877492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4017.877492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.877492][ T10] netlink_rcv_skb+0x130/0x360 [ 4017.877492][ T10] netlink_unicast+0x449/0x710 [ 4017.877492][ T10] netlink_sendmsg+0x723/0xbe0 [ 4017.877492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4017.877492][ T10] ___sys_sendmsg+0xee/0x170 [ 4017.877492][ T10] __sys_sendmsg+0xcd/0x170 [ 4017.877492][ T10] do_syscall_64+0xc6/0x1e0 [ 4017.877492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.877492][ T10] [ 4017.879507][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4017.879507][ T10] netdev_get_by_index+0x5e/0x80 [ 4017.879507][ T10] fib6_nh_init+0x3d8/0x1580 [ 4017.879507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4017.879507][ T10] ip6_route_add+0x1c/0x140 [ 4017.879507][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4017.879507][ T10] addrconf_add_dev+0xe2/0x170 [ 4017.879507][ T10] inet6_addr_add+0x12f/0xa40 [ 4017.879507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4017.879507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.879507][ T10] netlink_rcv_skb+0x130/0x360 [ 4017.879507][ T10] netlink_unicast+0x449/0x710 [ 4017.879507][ T10] netlink_sendmsg+0x723/0xbe0 [ 4017.879507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4017.879507][ T10] ___sys_sendmsg+0xee/0x170 [ 4017.879507][ T10] __sys_sendmsg+0xcd/0x170 [ 4017.879507][ T10] do_syscall_64+0xc6/0x1e0 [ 4017.879507][ T10] [ 4017.881473][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4017.881473][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4017.881473][ T10] ipv6_find_idev+0x102/0x170 [ 4017.881473][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4017.881473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.881473][ T10] netlink_rcv_skb+0x130/0x360 [ 4017.881473][ T10] netlink_unicast+0x449/0x710 [ 4017.881473][ T10] netlink_sendmsg+0x723/0xbe0 [ 4017.881473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4017.881473][ T10] ___sys_sendmsg+0xee/0x170 [ 4017.881473][ T10] __sys_sendmsg+0xcd/0x170 [ 4017.881473][ T10] do_syscall_64+0xc6/0x1e0 [ 4017.881473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.881473][ T10] [ 4017.883015][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4017.883015][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4017.883015][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4017.883015][ T10] ipv6_find_idev+0x102/0x170 [ 4017.883015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4017.883015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.883015][ T10] netlink_rcv_skb+0x130/0x360 [ 4017.883015][ T10] netlink_unicast+0x449/0x710 [ 4017.883015][ T10] netlink_sendmsg+0x723/0xbe0 [ 4017.883015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4017.883015][ T10] ___sys_sendmsg+0xee/0x170 [ 4017.883015][ T10] __sys_sendmsg+0xcd/0x170 [ 4017.883015][ T10] do_syscall_64+0xc6/0x1e0 [ 4017.883015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.883015][ T10] [ 4017.884722][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4017.884988][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4017.884988][ T10] netdev_get_by_index+0x5e/0x80 [ 4017.884988][ T10] fib6_nh_init+0x3d8/0x1580 [ 4017.884988][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4017.884988][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4017.884988][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4017.884988][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4017.884988][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4017.884988][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4017.884988][ T10] addrconf_dad_begin+0x310/0x670 [ 4017.884988][ T10] addrconf_dad_work+0x10b/0xab0 [ 4017.884988][ T10] process_one_work+0x84d/0x18a0 [ 4017.884988][ T10] worker_thread+0x587/0xd30 [ 4017.884988][ T10] kthread+0x28a/0x350 [ 4017.884988][ T10] ret_from_fork+0x31/0x70 [ 4017.884988][ T10] ret_from_fork_asm+0x1a/0x30 [ 4017.884988][ T10] [ 4017.886904][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4017.886904][ T10] netdev_get_by_index+0x5e/0x80 [ 4017.886904][ T10] fib6_nh_init+0x3d8/0x1580 [ 4017.886904][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4017.886904][ T10] ip6_route_add+0x1c/0x140 [ 4017.886904][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4017.886904][ T10] inet6_addr_add+0x4f8/0xa40 [ 4017.886904][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4017.886904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.886904][ T10] netlink_rcv_skb+0x130/0x360 [ 4017.886904][ T10] netlink_unicast+0x449/0x710 [ 4017.886904][ T10] netlink_sendmsg+0x723/0xbe0 [ 4017.886904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4017.886904][ T10] ___sys_sendmsg+0xee/0x170 [ 4017.886904][ T10] __sys_sendmsg+0xcd/0x170 [ 4017.886904][ T10] do_syscall_64+0xc6/0x1e0 [ 4017.886904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.886904][ T10] [ 4017.888914][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4017.888914][ T10] netdev_get_by_index+0x5e/0x80 [ 4017.888914][ T10] fib6_nh_init+0x3d8/0x1580 [ 4017.888914][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4017.888914][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4017.888914][ T10] ipv6_add_addr+0x411/0x2000 [ 4017.888914][ T10] inet6_addr_add+0x30e/0xa40 [ 4017.888914][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4017.888914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.888914][ T10] netlink_rcv_skb+0x130/0x360 [ 4017.888914][ T10] netlink_unicast+0x449/0x710 [ 4017.888914][ T10] netlink_sendmsg+0x723/0xbe0 [ 4017.888914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4017.888914][ T10] ___sys_sendmsg+0xee/0x170 [ 4017.888914][ T10] __sys_sendmsg+0xcd/0x170 [ 4017.888914][ T10] do_syscall_64+0xc6/0x1e0 [ 4017.888914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.888914][ T10] [ 4017.890930][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4017.890930][ T10] netdev_get_by_index+0x5e/0x80 [ 4017.890930][ T10] fib6_nh_init+0x3d8/0x1580 [ 4017.890930][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4017.890930][ T10] ip6_route_add+0x1c/0x140 [ 4017.890930][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4017.890930][ T10] addrconf_add_dev+0xe2/0x170 [ 4017.890930][ T10] inet6_addr_add+0x12f/0xa40 [ 4017.890930][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4017.890930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.890930][ T10] netlink_rcv_skb+0x130/0x360 [ 4017.890930][ T10] netlink_unicast+0x449/0x710 [ 4017.890930][ T10] netlink_sendmsg+0x723/0xbe0 [ 4017.890930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4017.890930][ T10] ___sys_sendmsg+0xee/0x170 [ 4017.890930][ T10] __sys_sendmsg+0xcd/0x170 [ 4017.890930][ T10] do_syscall_64+0xc6/0x1e0 [ 4017.890930][ T10] [ 4017.892901][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4017.892901][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4017.892901][ T10] ipv6_find_idev+0x102/0x170 [ 4017.892901][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4017.892901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.892901][ T10] netlink_rcv_skb+0x130/0x360 [ 4017.892901][ T10] netlink_unicast+0x449/0x710 [ 4017.892901][ T10] netlink_sendmsg+0x723/0xbe0 [ 4017.892901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4017.892901][ T10] ___sys_sendmsg+0xee/0x170 [ 4017.892901][ T10] __sys_sendmsg+0xcd/0x170 [ 4017.892901][ T10] do_syscall_64+0xc6/0x1e0 [ 4017.892901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.892901][ T10] [ 4017.894443][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4017.894443][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4017.894443][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4017.894443][ T10] ipv6_find_idev+0x102/0x170 [ 4017.894443][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4017.894443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.894443][ T10] netlink_rcv_skb+0x130/0x360 [ 4017.894443][ T10] netlink_unicast+0x449/0x710 [ 4017.894443][ T10] netlink_sendmsg+0x723/0xbe0 [ 4017.894443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4017.894443][ T10] ___sys_sendmsg+0xee/0x170 [ 4017.894443][ T10] __sys_sendmsg+0xcd/0x170 [ 4017.894443][ T10] do_syscall_64+0xc6/0x1e0 [ 4017.894443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.894443][ T10] [ 4017.896137][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4017.896377][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4017.896377][ T10] netdev_get_by_index+0x5e/0x80 [ 4017.896377][ T10] fib6_nh_init+0x3d8/0x1580 [ 4017.896377][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4017.896377][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4017.896377][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4017.896377][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4017.896377][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4017.896377][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4017.896377][ T10] addrconf_dad_begin+0x310/0x670 [ 4017.896377][ T10] addrconf_dad_work+0x10b/0xab0 [ 4017.896377][ T10] process_one_work+0x84d/0x18a0 [ 4017.896377][ T10] worker_thread+0x587/0xd30 [ 4017.896377][ T10] kthread+0x28a/0x350 [ 4017.896377][ T10] ret_from_fork+0x31/0x70 [ 4017.896377][ T10] ret_from_fork_asm+0x1a/0x30 [ 4017.896377][ T10] [ 4017.898292][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4017.898292][ T10] netdev_get_by_index+0x5e/0x80 [ 4017.898292][ T10] fib6_nh_init+0x3d8/0x1580 [ 4017.898292][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4017.898292][ T10] ip6_route_add+0x1c/0x140 [ 4017.898292][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4017.898292][ T10] inet6_addr_add+0x4f8/0xa40 [ 4017.898292][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4017.898292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.898292][ T10] netlink_rcv_skb+0x130/0x360 [ 4017.898292][ T10] netlink_unicast+0x449/0x710 [ 4017.898292][ T10] netlink_sendmsg+0x723/0xbe0 [ 4017.898292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4017.898292][ T10] ___sys_sendmsg+0xee/0x170 [ 4017.898292][ T10] __sys_sendmsg+0xcd/0x170 [ 4017.898292][ T10] do_syscall_64+0xc6/0x1e0 [ 4017.898292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.898292][ T10] [ 4017.900484][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4017.900484][ T10] netdev_get_by_index+0x5e/0x80 [ 4017.900484][ T10] fib6_nh_init+0x3d8/0x1580 [ 4017.900484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4017.900484][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4017.900484][ T10] ipv6_add_addr+0x411/0x2000 [ 4017.900484][ T10] inet6_addr_add+0x30e/0xa40 [ 4017.900484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4017.900484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.900484][ T10] netlink_rcv_skb+0x130/0x360 [ 4017.900484][ T10] netlink_unicast+0x449/0x710 [ 4017.900484][ T10] netlink_sendmsg+0x723/0xbe0 [ 4017.900484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4017.900484][ T10] ___sys_sendmsg+0xee/0x170 [ 4017.900484][ T10] __sys_sendmsg+0xcd/0x170 [ 4017.900484][ T10] do_syscall_64+0xc6/0x1e0 [ 4017.900484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.900484][ T10] [ 4017.902788][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4017.902788][ T10] netdev_get_by_index+0x5e/0x80 [ 4017.902788][ T10] fib6_nh_init+0x3d8/0x1580 [ 4017.902788][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4017.902788][ T10] ip6_route_add+0x1c/0x140 [ 4017.902788][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4017.902788][ T10] addrconf_add_dev+0xe2/0x170 [ 4017.902788][ T10] inet6_addr_add+0x12f/0xa40 [ 4017.902788][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4017.902788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.902788][ T10] netlink_rcv_skb+0x130/0x360 [ 4017.902788][ T10] netlink_unicast+0x449/0x710 [ 4017.902788][ T10] netlink_sendmsg+0x723/0xbe0 [ 4017.902788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4017.902788][ T10] ___sys_sendmsg+0xee/0x170 [ 4017.902788][ T10] __sys_sendmsg+0xcd/0x170 [ 4017.902788][ T10] do_syscall_64+0xc6/0x1e0 [ 4017.902788][ T10] [ 4017.905006][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4017.905006][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4017.905006][ T10] ipv6_find_idev+0x102/0x170 [ 4017.905006][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4017.905006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.905006][ T10] netlink_rcv_skb+0x130/0x360 [ 4017.905006][ T10] netlink_unicast+0x449/0x710 [ 4017.905006][ T10] netlink_sendmsg+0x723/0xbe0 [ 4017.905006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4017.905006][ T10] ___sys_sendmsg+0xee/0x170 [ 4017.905006][ T10] __sys_sendmsg+0xcd/0x170 [ 4017.905006][ T10] do_syscall_64+0xc6/0x1e0 [ 4017.905006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.905006][ T10] [ 4017.906729][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4017.906729][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4017.906729][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4017.906729][ T10] ipv6_find_idev+0x102/0x170 [ 4017.906729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4017.906729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.906729][ T10] netlink_rcv_skb+0x130/0x360 [ 4017.906729][ T10] netlink_unicast+0x449/0x710 [ 4017.906729][ T10] netlink_sendmsg+0x723/0xbe0 [ 4017.906729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4017.906729][ T10] ___sys_sendmsg+0xee/0x170 [ 4017.906729][ T10] __sys_sendmsg+0xcd/0x170 [ 4017.906729][ T10] do_syscall_64+0xc6/0x1e0 [ 4017.906729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.906729][ T10] [ 4017.908599][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4017.908842][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4017.908842][ T10] netdev_get_by_index+0x5e/0x80 [ 4017.908842][ T10] fib6_nh_init+0x3d8/0x1580 [ 4017.908842][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4017.908842][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4017.908842][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4017.908842][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4017.908842][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4017.908842][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4017.908842][ T10] addrconf_dad_begin+0x310/0x670 [ 4017.908842][ T10] addrconf_dad_work+0x10b/0xab0 [ 4017.908842][ T10] process_one_work+0x84d/0x18a0 [ 4017.908842][ T10] worker_thread+0x587/0xd30 [ 4017.908842][ T10] kthread+0x28a/0x350 [ 4017.908842][ T10] ret_from_fork+0x31/0x70 [ 4017.908842][ T10] ret_from_fork_asm+0x1a/0x30 [ 4017.908842][ T10] [ 4017.911009][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4017.911009][ T10] netdev_get_by_index+0x5e/0x80 [ 4017.911009][ T10] fib6_nh_init+0x3d8/0x1580 [ 4017.911009][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4017.911009][ T10] ip6_route_add+0x1c/0x140 [ 4017.911009][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4017.911009][ T10] inet6_addr_add+0x4f8/0xa40 [ 4017.911009][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4017.911009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.911009][ T10] netlink_rcv_skb+0x130/0x360 [ 4017.911009][ T10] netlink_unicast+0x449/0x710 [ 4017.911009][ T10] netlink_sendmsg+0x723/0xbe0 [ 4017.911009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4017.911009][ T10] ___sys_sendmsg+0xee/0x170 [ 4017.911009][ T10] __sys_sendmsg+0xcd/0x170 [ 4017.911009][ T10] do_syscall_64+0xc6/0x1e0 [ 4017.911009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.911009][ T10] [ 4017.913314][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4017.913314][ T10] netdev_get_by_index+0x5e/0x80 [ 4017.913314][ T10] fib6_nh_init+0x3d8/0x1580 [ 4017.913314][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4017.913314][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4017.913314][ T10] ipv6_add_addr+0x411/0x2000 [ 4017.913314][ T10] inet6_addr_add+0x30e/0xa40 [ 4017.913314][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4017.913314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.913314][ T10] netlink_rcv_skb+0x130/0x360 [ 4017.913314][ T10] netlink_unicast+0x449/0x710 [ 4017.913314][ T10] netlink_sendmsg+0x723/0xbe0 [ 4017.913314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4017.913314][ T10] ___sys_sendmsg+0xee/0x170 [ 4017.913314][ T10] __sys_sendmsg+0xcd/0x170 [ 4017.913314][ T10] do_syscall_64+0xc6/0x1e0 [ 4017.913314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.913314][ T10] [ 4017.915566][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4017.915566][ T10] netdev_get_by_index+0x5e/0x80 [ 4017.915566][ T10] fib6_nh_init+0x3d8/0x1580 [ 4017.915566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4017.915566][ T10] ip6_route_add+0x1c/0x140 [ 4017.915566][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4017.915566][ T10] addrconf_add_dev+0xe2/0x170 [ 4017.915566][ T10] inet6_addr_add+0x12f/0xa40 [ 4017.915566][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4017.915566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.915566][ T10] netlink_rcv_skb+0x130/0x360 [ 4017.915566][ T10] netlink_unicast+0x449/0x710 [ 4017.915566][ T10] netlink_sendmsg+0x723/0xbe0 [ 4017.915566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4017.915566][ T10] ___sys_sendmsg+0xee/0x170 [ 4017.915566][ T10] __sys_sendmsg+0xcd/0x170 [ 4017.915566][ T10] do_syscall_64+0xc6/0x1e0 [ 4017.915566][ T10] [ 4017.917714][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4017.917714][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4017.917714][ T10] ipv6_find_idev+0x102/0x170 [ 4017.917714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4017.917714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.917714][ T10] netlink_rcv_skb+0x130/0x360 [ 4017.917714][ T10] netlink_unicast+0x449/0x710 [ 4017.917714][ T10] netlink_sendmsg+0x723/0xbe0 [ 4017.917714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4017.917714][ T10] ___sys_sendmsg+0xee/0x170 [ 4017.917714][ T10] __sys_sendmsg+0xcd/0x170 [ 4017.917714][ T10] do_syscall_64+0xc6/0x1e0 [ 4017.917714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.917714][ T10] [ 4017.919438][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4017.919438][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4017.919438][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4017.919438][ T10] ipv6_find_idev+0x102/0x170 [ 4017.919438][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4017.919438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4017.919438][ T10] netlink_rcv_skb+0x130/0x360 [ 4017.919438][ T10] netlink_unicast+0x449/0x710 [ 4017.919438][ T10] netlink_sendmsg+0x723/0xbe0 [ 4017.919438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4017.919438][ T10] ___sys_sendmsg+0xee/0x170 [ 4017.919438][ T10] __sys_sendmsg+0xcd/0x170 [ 4017.919438][ T10] do_syscall_64+0xc6/0x1e0 [ 4017.919438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4017.919438][ T10] [ 4025.529111][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4025.529713][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4025.529713][ T1167] dst_init+0x84/0x4a0 [ 4025.529713][ T1167] dst_alloc+0x97/0x150 [ 4025.529713][ T1167] ip6_dst_alloc+0x23/0x90 [ 4025.529713][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4025.529713][ T1167] ip6_pol_route+0x56f/0x840 [ 4025.529713][ T1167] fib6_rule_lookup+0x334/0x630 [ 4025.529713][ T1167] ip6_route_output_flags+0x259/0x480 [ 4025.529713][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4025.529713][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4025.529713][ T1167] netlink_rcv_skb+0x130/0x360 [ 4025.529713][ T1167] netlink_unicast+0x449/0x710 [ 4025.529713][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4025.529713][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4025.529713][ T1167] ___sys_sendmsg+0xee/0x170 [ 4025.529713][ T1167] __sys_sendmsg+0xcd/0x170 [ 4025.529713][ T1167] do_syscall_64+0xc6/0x1e0 [ 4025.529713][ T1167] [ 4025.533167][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4025.533167][ T1167] netdev_get_by_index+0x5e/0x80 [ 4025.533167][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4025.533167][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4025.533167][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4025.533167][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4025.533167][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4025.533167][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4025.533167][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4025.533167][ T1167] addrconf_dad_begin+0x310/0x670 [ 4025.533167][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4025.533167][ T1167] process_one_work+0x84d/0x18a0 [ 4025.533167][ T1167] worker_thread+0x587/0xd30 [ 4025.533167][ T1167] kthread+0x28a/0x350 [ 4025.533167][ T1167] ret_from_fork+0x31/0x70 [ 4025.533167][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4025.533167][ T1167] [ 4025.536614][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4025.536614][ T1167] netdev_get_by_index+0x5e/0x80 [ 4025.536614][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4025.536614][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4025.536614][ T1167] ip6_route_add+0x1c/0x140 [ 4025.536614][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4025.536614][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4025.536614][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4025.536614][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4025.536614][ T1167] netlink_rcv_skb+0x130/0x360 [ 4025.536614][ T1167] netlink_unicast+0x449/0x710 [ 4025.536614][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4025.536614][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4025.536614][ T1167] ___sys_sendmsg+0xee/0x170 [ 4025.536614][ T1167] __sys_sendmsg+0xcd/0x170 [ 4025.536614][ T1167] do_syscall_64+0xc6/0x1e0 [ 4025.536614][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4025.536614][ T1167] [ 4025.540139][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4025.540139][ T1167] netdev_get_by_index+0x5e/0x80 [ 4025.540139][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4025.540139][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4025.540139][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4025.540139][ T1167] ipv6_add_addr+0x411/0x2000 [ 4025.540139][ T1167] inet6_addr_add+0x30e/0xa40 [ 4025.540139][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4025.540139][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4025.540139][ T1167] netlink_rcv_skb+0x130/0x360 [ 4025.540139][ T1167] netlink_unicast+0x449/0x710 [ 4025.540139][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4025.540139][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4025.540139][ T1167] ___sys_sendmsg+0xee/0x170 [ 4025.540139][ T1167] __sys_sendmsg+0xcd/0x170 [ 4025.540139][ T1167] do_syscall_64+0xc6/0x1e0 [ 4025.540139][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4025.540139][ T1167] [ 4025.543594][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4025.543594][ T1167] netdev_get_by_index+0x5e/0x80 [ 4025.543594][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4025.543594][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4025.543594][ T1167] ip6_route_add+0x1c/0x140 [ 4025.543594][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4025.543594][ T1167] addrconf_add_dev+0xe2/0x170 [ 4025.543594][ T1167] inet6_addr_add+0x12f/0xa40 [ 4025.543594][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4025.543594][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4025.543594][ T1167] netlink_rcv_skb+0x130/0x360 [ 4025.543594][ T1167] netlink_unicast+0x449/0x710 [ 4025.543594][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4025.543594][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4025.543594][ T1167] ___sys_sendmsg+0xee/0x170 [ 4025.543594][ T1167] __sys_sendmsg+0xcd/0x170 [ 4025.543594][ T1167] do_syscall_64+0xc6/0x1e0 [ 4025.543594][ T1167] [ 4025.546857][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4025.546857][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4025.546857][ T1167] ipv6_find_idev+0x102/0x170 [ 4025.546857][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4025.546857][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4025.546857][ T1167] netlink_rcv_skb+0x130/0x360 [ 4025.546857][ T1167] netlink_unicast+0x449/0x710 [ 4025.546857][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4025.546857][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4025.546857][ T1167] ___sys_sendmsg+0xee/0x170 [ 4025.546857][ T1167] __sys_sendmsg+0xcd/0x170 [ 4025.546857][ T1167] do_syscall_64+0xc6/0x1e0 [ 4025.546857][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4025.546857][ T1167] [ 4025.549615][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4025.549615][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4025.549615][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4025.549615][ T1167] ipv6_find_idev+0x102/0x170 [ 4025.549615][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4025.549615][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4025.549615][ T1167] netlink_rcv_skb+0x130/0x360 [ 4025.549615][ T1167] netlink_unicast+0x449/0x710 [ 4025.549615][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4025.549615][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4025.549615][ T1167] ___sys_sendmsg+0xee/0x170 [ 4025.549615][ T1167] __sys_sendmsg+0xcd/0x170 [ 4025.549615][ T1167] do_syscall_64+0xc6/0x1e0 [ 4025.549615][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4025.549615][ T1167] [ 4028.177086][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4028.177542][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4028.177542][ T10] netdev_get_by_index+0x5e/0x80 [ 4028.177542][ T10] fib6_nh_init+0x3d8/0x1580 [ 4028.177542][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4028.177542][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4028.177542][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4028.177542][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4028.177542][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4028.177542][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4028.177542][ T10] addrconf_dad_begin+0x310/0x670 [ 4028.177542][ T10] addrconf_dad_work+0x10b/0xab0 [ 4028.177542][ T10] process_one_work+0x84d/0x18a0 [ 4028.177542][ T10] worker_thread+0x587/0xd30 [ 4028.177542][ T10] kthread+0x28a/0x350 [ 4028.177542][ T10] ret_from_fork+0x31/0x70 [ 4028.177542][ T10] ret_from_fork_asm+0x1a/0x30 [ 4028.177542][ T10] [ 4028.179490][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4028.179490][ T10] netdev_get_by_index+0x5e/0x80 [ 4028.179490][ T10] fib6_nh_init+0x3d8/0x1580 [ 4028.179490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4028.179490][ T10] ip6_route_add+0x1c/0x140 [ 4028.179490][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4028.179490][ T10] inet6_addr_add+0x4f8/0xa40 [ 4028.179490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4028.179490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.179490][ T10] netlink_rcv_skb+0x130/0x360 [ 4028.179490][ T10] netlink_unicast+0x449/0x710 [ 4028.179490][ T10] netlink_sendmsg+0x723/0xbe0 [ 4028.179490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4028.179490][ T10] ___sys_sendmsg+0xee/0x170 [ 4028.179490][ T10] __sys_sendmsg+0xcd/0x170 [ 4028.179490][ T10] do_syscall_64+0xc6/0x1e0 [ 4028.179490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4028.179490][ T10] [ 4028.181508][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4028.181508][ T10] netdev_get_by_index+0x5e/0x80 [ 4028.181508][ T10] fib6_nh_init+0x3d8/0x1580 [ 4028.181508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4028.181508][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4028.181508][ T10] ipv6_add_addr+0x411/0x2000 [ 4028.181508][ T10] inet6_addr_add+0x30e/0xa40 [ 4028.181508][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4028.181508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.181508][ T10] netlink_rcv_skb+0x130/0x360 [ 4028.181508][ T10] netlink_unicast+0x449/0x710 [ 4028.181508][ T10] netlink_sendmsg+0x723/0xbe0 [ 4028.181508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4028.181508][ T10] ___sys_sendmsg+0xee/0x170 [ 4028.181508][ T10] __sys_sendmsg+0xcd/0x170 [ 4028.181508][ T10] do_syscall_64+0xc6/0x1e0 [ 4028.181508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4028.181508][ T10] [ 4028.183544][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4028.183544][ T10] netdev_get_by_index+0x5e/0x80 [ 4028.183544][ T10] fib6_nh_init+0x3d8/0x1580 [ 4028.183544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4028.183544][ T10] ip6_route_add+0x1c/0x140 [ 4028.183544][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4028.183544][ T10] addrconf_add_dev+0xe2/0x170 [ 4028.183544][ T10] inet6_addr_add+0x12f/0xa40 [ 4028.183544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4028.183544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.183544][ T10] netlink_rcv_skb+0x130/0x360 [ 4028.183544][ T10] netlink_unicast+0x449/0x710 [ 4028.183544][ T10] netlink_sendmsg+0x723/0xbe0 [ 4028.183544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4028.183544][ T10] ___sys_sendmsg+0xee/0x170 [ 4028.183544][ T10] __sys_sendmsg+0xcd/0x170 [ 4028.183544][ T10] do_syscall_64+0xc6/0x1e0 [ 4028.183544][ T10] [ 4028.185534][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4028.185534][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4028.185534][ T10] ipv6_find_idev+0x102/0x170 [ 4028.185534][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4028.185534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.185534][ T10] netlink_rcv_skb+0x130/0x360 [ 4028.185534][ T10] netlink_unicast+0x449/0x710 [ 4028.185534][ T10] netlink_sendmsg+0x723/0xbe0 [ 4028.185534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4028.185534][ T10] ___sys_sendmsg+0xee/0x170 [ 4028.185534][ T10] __sys_sendmsg+0xcd/0x170 [ 4028.185534][ T10] do_syscall_64+0xc6/0x1e0 [ 4028.185534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4028.185534][ T10] [ 4028.187110][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4028.187110][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4028.187110][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4028.187110][ T10] ipv6_find_idev+0x102/0x170 [ 4028.187110][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4028.187110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.187110][ T10] netlink_rcv_skb+0x130/0x360 [ 4028.187110][ T10] netlink_unicast+0x449/0x710 [ 4028.187110][ T10] netlink_sendmsg+0x723/0xbe0 [ 4028.187110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4028.187110][ T10] ___sys_sendmsg+0xee/0x170 [ 4028.187110][ T10] __sys_sendmsg+0xcd/0x170 [ 4028.187110][ T10] do_syscall_64+0xc6/0x1e0 [ 4028.187110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4028.187110][ T10] [ 4028.188827][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4028.189098][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4028.189098][ T10] netdev_get_by_index+0x5e/0x80 [ 4028.189098][ T10] fib6_nh_init+0x3d8/0x1580 [ 4028.189098][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4028.189098][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4028.189098][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4028.189098][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4028.189098][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4028.189098][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4028.189098][ T10] addrconf_dad_begin+0x310/0x670 [ 4028.189098][ T10] addrconf_dad_work+0x10b/0xab0 [ 4028.189098][ T10] process_one_work+0x84d/0x18a0 [ 4028.189098][ T10] worker_thread+0x587/0xd30 [ 4028.189098][ T10] kthread+0x28a/0x350 [ 4028.189098][ T10] ret_from_fork+0x31/0x70 [ 4028.189098][ T10] ret_from_fork_asm+0x1a/0x30 [ 4028.189098][ T10] [ 4028.191016][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4028.191016][ T10] netdev_get_by_index+0x5e/0x80 [ 4028.191016][ T10] fib6_nh_init+0x3d8/0x1580 [ 4028.191016][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4028.191016][ T10] ip6_route_add+0x1c/0x140 [ 4028.191016][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4028.191016][ T10] inet6_addr_add+0x4f8/0xa40 [ 4028.191016][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4028.191016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.191016][ T10] netlink_rcv_skb+0x130/0x360 [ 4028.191016][ T10] netlink_unicast+0x449/0x710 [ 4028.191016][ T10] netlink_sendmsg+0x723/0xbe0 [ 4028.191016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4028.191016][ T10] ___sys_sendmsg+0xee/0x170 [ 4028.191016][ T10] __sys_sendmsg+0xcd/0x170 [ 4028.191016][ T10] do_syscall_64+0xc6/0x1e0 [ 4028.191016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4028.191016][ T10] [ 4028.193029][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4028.193029][ T10] netdev_get_by_index+0x5e/0x80 [ 4028.193029][ T10] fib6_nh_init+0x3d8/0x1580 [ 4028.193029][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4028.193029][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4028.193029][ T10] ipv6_add_addr+0x411/0x2000 [ 4028.193029][ T10] inet6_addr_add+0x30e/0xa40 [ 4028.193029][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4028.193029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.193029][ T10] netlink_rcv_skb+0x130/0x360 [ 4028.193029][ T10] netlink_unicast+0x449/0x710 [ 4028.193029][ T10] netlink_sendmsg+0x723/0xbe0 [ 4028.193029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4028.193029][ T10] ___sys_sendmsg+0xee/0x170 [ 4028.193029][ T10] __sys_sendmsg+0xcd/0x170 [ 4028.193029][ T10] do_syscall_64+0xc6/0x1e0 [ 4028.193029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4028.193029][ T10] [ 4028.195065][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4028.195065][ T10] netdev_get_by_index+0x5e/0x80 [ 4028.195065][ T10] fib6_nh_init+0x3d8/0x1580 [ 4028.195065][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4028.195065][ T10] ip6_route_add+0x1c/0x140 [ 4028.195065][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4028.195065][ T10] addrconf_add_dev+0xe2/0x170 [ 4028.195065][ T10] inet6_addr_add+0x12f/0xa40 [ 4028.195065][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4028.195065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.195065][ T10] netlink_rcv_skb+0x130/0x360 [ 4028.195065][ T10] netlink_unicast+0x449/0x710 [ 4028.195065][ T10] netlink_sendmsg+0x723/0xbe0 [ 4028.195065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4028.195065][ T10] ___sys_sendmsg+0xee/0x170 [ 4028.195065][ T10] __sys_sendmsg+0xcd/0x170 [ 4028.195065][ T10] do_syscall_64+0xc6/0x1e0 [ 4028.195065][ T10] [ 4028.197077][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4028.197077][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4028.197077][ T10] ipv6_find_idev+0x102/0x170 [ 4028.197077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4028.197077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.197077][ T10] netlink_rcv_skb+0x130/0x360 [ 4028.197077][ T10] netlink_unicast+0x449/0x710 [ 4028.197077][ T10] netlink_sendmsg+0x723/0xbe0 [ 4028.197077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4028.197077][ T10] ___sys_sendmsg+0xee/0x170 [ 4028.197077][ T10] __sys_sendmsg+0xcd/0x170 [ 4028.197077][ T10] do_syscall_64+0xc6/0x1e0 [ 4028.197077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4028.197077][ T10] [ 4028.198642][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4028.198642][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4028.198642][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4028.198642][ T10] ipv6_find_idev+0x102/0x170 [ 4028.198642][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4028.198642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.198642][ T10] netlink_rcv_skb+0x130/0x360 [ 4028.198642][ T10] netlink_unicast+0x449/0x710 [ 4028.198642][ T10] netlink_sendmsg+0x723/0xbe0 [ 4028.198642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4028.198642][ T10] ___sys_sendmsg+0xee/0x170 [ 4028.198642][ T10] __sys_sendmsg+0xcd/0x170 [ 4028.198642][ T10] do_syscall_64+0xc6/0x1e0 [ 4028.198642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4028.198642][ T10] [ 4028.200388][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4028.200633][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4028.200633][ T10] netdev_get_by_index+0x5e/0x80 [ 4028.200633][ T10] fib6_nh_init+0x3d8/0x1580 [ 4028.200633][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4028.200633][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4028.200633][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4028.200633][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4028.200633][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4028.200633][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4028.200633][ T10] addrconf_dad_begin+0x310/0x670 [ 4028.200633][ T10] addrconf_dad_work+0x10b/0xab0 [ 4028.200633][ T10] process_one_work+0x84d/0x18a0 [ 4028.200633][ T10] worker_thread+0x587/0xd30 [ 4028.200633][ T10] kthread+0x28a/0x350 [ 4028.200633][ T10] ret_from_fork+0x31/0x70 [ 4028.200633][ T10] ret_from_fork_asm+0x1a/0x30 [ 4028.200633][ T10] [ 4028.202584][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4028.202584][ T10] netdev_get_by_index+0x5e/0x80 [ 4028.202584][ T10] fib6_nh_init+0x3d8/0x1580 [ 4028.202584][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4028.202584][ T10] ip6_route_add+0x1c/0x140 [ 4028.202584][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4028.202584][ T10] inet6_addr_add+0x4f8/0xa40 [ 4028.202584][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4028.202584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.202584][ T10] netlink_rcv_skb+0x130/0x360 [ 4028.202584][ T10] netlink_unicast+0x449/0x710 [ 4028.202584][ T10] netlink_sendmsg+0x723/0xbe0 [ 4028.202584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4028.202584][ T10] ___sys_sendmsg+0xee/0x170 [ 4028.202584][ T10] __sys_sendmsg+0xcd/0x170 [ 4028.202584][ T10] do_syscall_64+0xc6/0x1e0 [ 4028.202584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4028.202584][ T10] [ 4028.204702][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4028.204702][ T10] netdev_get_by_index+0x5e/0x80 [ 4028.204702][ T10] fib6_nh_init+0x3d8/0x1580 [ 4028.204702][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4028.204702][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4028.204702][ T10] ipv6_add_addr+0x411/0x2000 [ 4028.204702][ T10] inet6_addr_add+0x30e/0xa40 [ 4028.204702][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4028.204702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.204702][ T10] netlink_rcv_skb+0x130/0x360 [ 4028.204702][ T10] netlink_unicast+0x449/0x710 [ 4028.204702][ T10] netlink_sendmsg+0x723/0xbe0 [ 4028.204702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4028.204702][ T10] ___sys_sendmsg+0xee/0x170 [ 4028.204702][ T10] __sys_sendmsg+0xcd/0x170 [ 4028.204702][ T10] do_syscall_64+0xc6/0x1e0 [ 4028.204702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4028.204702][ T10] [ 4028.206888][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4028.206888][ T10] netdev_get_by_index+0x5e/0x80 [ 4028.206888][ T10] fib6_nh_init+0x3d8/0x1580 [ 4028.206888][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4028.206888][ T10] ip6_route_add+0x1c/0x140 [ 4028.206888][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4028.206888][ T10] addrconf_add_dev+0xe2/0x170 [ 4028.206888][ T10] inet6_addr_add+0x12f/0xa40 [ 4028.206888][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4028.206888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.206888][ T10] netlink_rcv_skb+0x130/0x360 [ 4028.206888][ T10] netlink_unicast+0x449/0x710 [ 4028.206888][ T10] netlink_sendmsg+0x723/0xbe0 [ 4028.206888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4028.206888][ T10] ___sys_sendmsg+0xee/0x170 [ 4028.206888][ T10] __sys_sendmsg+0xcd/0x170 [ 4028.206888][ T10] do_syscall_64+0xc6/0x1e0 [ 4028.206888][ T10] [ 4028.212821][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4028.212821][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4028.212821][ T10] ipv6_find_idev+0x102/0x170 [ 4028.212821][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4028.212821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.212821][ T10] netlink_rcv_skb+0x130/0x360 [ 4028.212821][ T10] netlink_unicast+0x449/0x710 [ 4028.212821][ T10] netlink_sendmsg+0x723/0xbe0 [ 4028.212821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4028.212821][ T10] ___sys_sendmsg+0xee/0x170 [ 4028.212821][ T10] __sys_sendmsg+0xcd/0x170 [ 4028.212821][ T10] do_syscall_64+0xc6/0x1e0 [ 4028.212821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4028.212821][ T10] [ 4028.214551][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4028.214551][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4028.214551][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4028.214551][ T10] ipv6_find_idev+0x102/0x170 [ 4028.214551][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4028.214551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.214551][ T10] netlink_rcv_skb+0x130/0x360 [ 4028.214551][ T10] netlink_unicast+0x449/0x710 [ 4028.214551][ T10] netlink_sendmsg+0x723/0xbe0 [ 4028.214551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4028.214551][ T10] ___sys_sendmsg+0xee/0x170 [ 4028.214551][ T10] __sys_sendmsg+0xcd/0x170 [ 4028.214551][ T10] do_syscall_64+0xc6/0x1e0 [ 4028.214551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4028.214551][ T10] [ 4028.216325][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4028.216569][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4028.216569][ T10] netdev_get_by_index+0x5e/0x80 [ 4028.216569][ T10] fib6_nh_init+0x3d8/0x1580 [ 4028.216569][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4028.216569][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4028.216569][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4028.216569][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4028.216569][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4028.216569][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4028.216569][ T10] addrconf_dad_begin+0x310/0x670 [ 4028.216569][ T10] addrconf_dad_work+0x10b/0xab0 [ 4028.216569][ T10] process_one_work+0x84d/0x18a0 [ 4028.216569][ T10] worker_thread+0x587/0xd30 [ 4028.216569][ T10] kthread+0x28a/0x350 [ 4028.216569][ T10] ret_from_fork+0x31/0x70 [ 4028.216569][ T10] ret_from_fork_asm+0x1a/0x30 [ 4028.216569][ T10] [ 4028.218655][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4028.218655][ T10] netdev_get_by_index+0x5e/0x80 [ 4028.218655][ T10] fib6_nh_init+0x3d8/0x1580 [ 4028.218655][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4028.218655][ T10] ip6_route_add+0x1c/0x140 [ 4028.218655][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4028.218655][ T10] inet6_addr_add+0x4f8/0xa40 [ 4028.218655][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4028.218655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.218655][ T10] netlink_rcv_skb+0x130/0x360 [ 4028.218655][ T10] netlink_unicast+0x449/0x710 [ 4028.218655][ T10] netlink_sendmsg+0x723/0xbe0 [ 4028.218655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4028.218655][ T10] ___sys_sendmsg+0xee/0x170 [ 4028.218655][ T10] __sys_sendmsg+0xcd/0x170 [ 4028.218655][ T10] do_syscall_64+0xc6/0x1e0 [ 4028.218655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4028.218655][ T10] [ 4028.220850][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4028.220850][ T10] netdev_get_by_index+0x5e/0x80 [ 4028.220850][ T10] fib6_nh_init+0x3d8/0x1580 [ 4028.220850][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4028.220850][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4028.220850][ T10] ipv6_add_addr+0x411/0x2000 [ 4028.220850][ T10] inet6_addr_add+0x30e/0xa40 [ 4028.220850][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4028.220850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.220850][ T10] netlink_rcv_skb+0x130/0x360 [ 4028.220850][ T10] netlink_unicast+0x449/0x710 [ 4028.220850][ T10] netlink_sendmsg+0x723/0xbe0 [ 4028.220850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4028.220850][ T10] ___sys_sendmsg+0xee/0x170 [ 4028.220850][ T10] __sys_sendmsg+0xcd/0x170 [ 4028.220850][ T10] do_syscall_64+0xc6/0x1e0 [ 4028.220850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4028.220850][ T10] [ 4028.223029][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4028.223029][ T10] netdev_get_by_index+0x5e/0x80 [ 4028.223029][ T10] fib6_nh_init+0x3d8/0x1580 [ 4028.223029][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4028.223029][ T10] ip6_route_add+0x1c/0x140 [ 4028.223029][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4028.223029][ T10] addrconf_add_dev+0xe2/0x170 [ 4028.223029][ T10] inet6_addr_add+0x12f/0xa40 [ 4028.223029][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4028.223029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.223029][ T10] netlink_rcv_skb+0x130/0x360 [ 4028.223029][ T10] netlink_unicast+0x449/0x710 [ 4028.223029][ T10] netlink_sendmsg+0x723/0xbe0 [ 4028.223029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4028.223029][ T10] ___sys_sendmsg+0xee/0x170 [ 4028.223029][ T10] __sys_sendmsg+0xcd/0x170 [ 4028.223029][ T10] do_syscall_64+0xc6/0x1e0 [ 4028.223029][ T10] [ 4028.227491][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4028.227491][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4028.227491][ T10] ipv6_find_idev+0x102/0x170 [ 4028.227491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4028.227491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.227491][ T10] netlink_rcv_skb+0x130/0x360 [ 4028.227491][ T10] netlink_unicast+0x449/0x710 [ 4028.227491][ T10] netlink_sendmsg+0x723/0xbe0 [ 4028.227491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4028.227491][ T10] ___sys_sendmsg+0xee/0x170 [ 4028.227491][ T10] __sys_sendmsg+0xcd/0x170 [ 4028.227491][ T10] do_syscall_64+0xc6/0x1e0 [ 4028.227491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4028.227491][ T10] [ 4028.229157][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4028.229157][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4028.229157][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4028.229157][ T10] ipv6_find_idev+0x102/0x170 [ 4028.229157][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4028.229157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.229157][ T10] netlink_rcv_skb+0x130/0x360 [ 4028.229157][ T10] netlink_unicast+0x449/0x710 [ 4028.229157][ T10] netlink_sendmsg+0x723/0xbe0 [ 4028.229157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4028.229157][ T10] ___sys_sendmsg+0xee/0x170 [ 4028.229157][ T10] __sys_sendmsg+0xcd/0x170 [ 4028.229157][ T10] do_syscall_64+0xc6/0x1e0 [ 4028.229157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4028.229157][ T10] [ 4035.793115][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4035.793631][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4035.793631][ T1167] dst_init+0x84/0x4a0 [ 4035.793631][ T1167] dst_alloc+0x97/0x150 [ 4035.793631][ T1167] ip6_dst_alloc+0x23/0x90 [ 4035.793631][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4035.793631][ T1167] ip6_pol_route+0x56f/0x840 [ 4035.793631][ T1167] fib6_rule_lookup+0x334/0x630 [ 4035.793631][ T1167] ip6_route_output_flags+0x259/0x480 [ 4035.793631][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4035.793631][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4035.793631][ T1167] netlink_rcv_skb+0x130/0x360 [ 4035.793631][ T1167] netlink_unicast+0x449/0x710 [ 4035.793631][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4035.793631][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4035.793631][ T1167] ___sys_sendmsg+0xee/0x170 [ 4035.793631][ T1167] __sys_sendmsg+0xcd/0x170 [ 4035.793631][ T1167] do_syscall_64+0xc6/0x1e0 [ 4035.793631][ T1167] [ 4035.795853][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4035.795853][ T1167] netdev_get_by_index+0x5e/0x80 [ 4035.795853][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4035.795853][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4035.795853][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4035.795853][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4035.795853][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4035.795853][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4035.795853][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4035.795853][ T1167] addrconf_dad_begin+0x310/0x670 [ 4035.795853][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4035.795853][ T1167] process_one_work+0x84d/0x18a0 [ 4035.795853][ T1167] worker_thread+0x587/0xd30 [ 4035.795853][ T1167] kthread+0x28a/0x350 [ 4035.795853][ T1167] ret_from_fork+0x31/0x70 [ 4035.795853][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4035.795853][ T1167] [ 4035.801488][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4035.801488][ T1167] netdev_get_by_index+0x5e/0x80 [ 4035.801488][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4035.801488][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4035.801488][ T1167] ip6_route_add+0x1c/0x140 [ 4035.801488][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4035.801488][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4035.801488][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4035.801488][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4035.801488][ T1167] netlink_rcv_skb+0x130/0x360 [ 4035.801488][ T1167] netlink_unicast+0x449/0x710 [ 4035.801488][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4035.801488][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4035.801488][ T1167] ___sys_sendmsg+0xee/0x170 [ 4035.801488][ T1167] __sys_sendmsg+0xcd/0x170 [ 4035.801488][ T1167] do_syscall_64+0xc6/0x1e0 [ 4035.801488][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4035.801488][ T1167] [ 4035.803751][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4035.803751][ T1167] netdev_get_by_index+0x5e/0x80 [ 4035.803751][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4035.803751][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4035.803751][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4035.803751][ T1167] ipv6_add_addr+0x411/0x2000 [ 4035.803751][ T1167] inet6_addr_add+0x30e/0xa40 [ 4035.803751][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4035.803751][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4035.803751][ T1167] netlink_rcv_skb+0x130/0x360 [ 4035.803751][ T1167] netlink_unicast+0x449/0x710 [ 4035.803751][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4035.803751][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4035.803751][ T1167] ___sys_sendmsg+0xee/0x170 [ 4035.803751][ T1167] __sys_sendmsg+0xcd/0x170 [ 4035.803751][ T1167] do_syscall_64+0xc6/0x1e0 [ 4035.803751][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4035.803751][ T1167] [ 4035.806008][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4035.806008][ T1167] netdev_get_by_index+0x5e/0x80 [ 4035.806008][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4035.806008][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4035.806008][ T1167] ip6_route_add+0x1c/0x140 [ 4035.806008][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4035.806008][ T1167] addrconf_add_dev+0xe2/0x170 [ 4035.806008][ T1167] inet6_addr_add+0x12f/0xa40 [ 4035.806008][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4035.806008][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4035.806008][ T1167] netlink_rcv_skb+0x130/0x360 [ 4035.806008][ T1167] netlink_unicast+0x449/0x710 [ 4035.806008][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4035.806008][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4035.806008][ T1167] ___sys_sendmsg+0xee/0x170 [ 4035.806008][ T1167] __sys_sendmsg+0xcd/0x170 [ 4035.806008][ T1167] do_syscall_64+0xc6/0x1e0 [ 4035.806008][ T1167] [ 4035.808226][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4035.808226][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4035.808226][ T1167] ipv6_find_idev+0x102/0x170 [ 4035.808226][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4035.808226][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4035.808226][ T1167] netlink_rcv_skb+0x130/0x360 [ 4035.808226][ T1167] netlink_unicast+0x449/0x710 [ 4035.808226][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4035.808226][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4035.808226][ T1167] ___sys_sendmsg+0xee/0x170 [ 4035.808226][ T1167] __sys_sendmsg+0xcd/0x170 [ 4035.808226][ T1167] do_syscall_64+0xc6/0x1e0 [ 4035.808226][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4035.808226][ T1167] [ 4035.809970][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4035.809970][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4035.809970][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4035.809970][ T1167] ipv6_find_idev+0x102/0x170 [ 4035.809970][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4035.809970][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4035.809970][ T1167] netlink_rcv_skb+0x130/0x360 [ 4035.809970][ T1167] netlink_unicast+0x449/0x710 [ 4035.809970][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4035.809970][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4035.809970][ T1167] ___sys_sendmsg+0xee/0x170 [ 4035.809970][ T1167] __sys_sendmsg+0xcd/0x170 [ 4035.809970][ T1167] do_syscall_64+0xc6/0x1e0 [ 4035.809970][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4035.809970][ T1167] [ 4038.233132][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4038.233486][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4038.233486][ T10] netdev_get_by_index+0x5e/0x80 [ 4038.233486][ T10] fib6_nh_init+0x3d8/0x1580 [ 4038.233486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4038.233486][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4038.233486][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4038.233486][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4038.233486][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4038.233486][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4038.233486][ T10] addrconf_dad_begin+0x310/0x670 [ 4038.233486][ T10] addrconf_dad_work+0x10b/0xab0 [ 4038.233486][ T10] process_one_work+0x84d/0x18a0 [ 4038.233486][ T10] worker_thread+0x587/0xd30 [ 4038.233486][ T10] kthread+0x28a/0x350 [ 4038.233486][ T10] ret_from_fork+0x31/0x70 [ 4038.233486][ T10] ret_from_fork_asm+0x1a/0x30 [ 4038.233486][ T10] [ 4038.235441][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4038.235441][ T10] netdev_get_by_index+0x5e/0x80 [ 4038.235441][ T10] fib6_nh_init+0x3d8/0x1580 [ 4038.235441][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4038.235441][ T10] ip6_route_add+0x1c/0x140 [ 4038.235441][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4038.235441][ T10] inet6_addr_add+0x4f8/0xa40 [ 4038.235441][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4038.235441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.235441][ T10] netlink_rcv_skb+0x130/0x360 [ 4038.235441][ T10] netlink_unicast+0x449/0x710 [ 4038.235441][ T10] netlink_sendmsg+0x723/0xbe0 [ 4038.235441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4038.235441][ T10] ___sys_sendmsg+0xee/0x170 [ 4038.235441][ T10] __sys_sendmsg+0xcd/0x170 [ 4038.235441][ T10] do_syscall_64+0xc6/0x1e0 [ 4038.235441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4038.235441][ T10] [ 4038.237430][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4038.237430][ T10] netdev_get_by_index+0x5e/0x80 [ 4038.237430][ T10] fib6_nh_init+0x3d8/0x1580 [ 4038.237430][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4038.237430][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4038.237430][ T10] ipv6_add_addr+0x411/0x2000 [ 4038.237430][ T10] inet6_addr_add+0x30e/0xa40 [ 4038.237430][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4038.237430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.237430][ T10] netlink_rcv_skb+0x130/0x360 [ 4038.237430][ T10] netlink_unicast+0x449/0x710 [ 4038.237430][ T10] netlink_sendmsg+0x723/0xbe0 [ 4038.237430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4038.237430][ T10] ___sys_sendmsg+0xee/0x170 [ 4038.237430][ T10] __sys_sendmsg+0xcd/0x170 [ 4038.237430][ T10] do_syscall_64+0xc6/0x1e0 [ 4038.237430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4038.237430][ T10] [ 4038.239451][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4038.239451][ T10] netdev_get_by_index+0x5e/0x80 [ 4038.239451][ T10] fib6_nh_init+0x3d8/0x1580 [ 4038.239451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4038.239451][ T10] ip6_route_add+0x1c/0x140 [ 4038.239451][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4038.239451][ T10] addrconf_add_dev+0xe2/0x170 [ 4038.239451][ T10] inet6_addr_add+0x12f/0xa40 [ 4038.239451][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4038.239451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.239451][ T10] netlink_rcv_skb+0x130/0x360 [ 4038.239451][ T10] netlink_unicast+0x449/0x710 [ 4038.239451][ T10] netlink_sendmsg+0x723/0xbe0 [ 4038.239451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4038.239451][ T10] ___sys_sendmsg+0xee/0x170 [ 4038.239451][ T10] __sys_sendmsg+0xcd/0x170 [ 4038.239451][ T10] do_syscall_64+0xc6/0x1e0 [ 4038.239451][ T10] [ 4038.241403][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4038.241403][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4038.241403][ T10] ipv6_find_idev+0x102/0x170 [ 4038.241403][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4038.241403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.241403][ T10] netlink_rcv_skb+0x130/0x360 [ 4038.241403][ T10] netlink_unicast+0x449/0x710 [ 4038.241403][ T10] netlink_sendmsg+0x723/0xbe0 [ 4038.241403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4038.241403][ T10] ___sys_sendmsg+0xee/0x170 [ 4038.241403][ T10] __sys_sendmsg+0xcd/0x170 [ 4038.241403][ T10] do_syscall_64+0xc6/0x1e0 [ 4038.241403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4038.241403][ T10] [ 4038.242925][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4038.242925][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4038.242925][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4038.242925][ T10] ipv6_find_idev+0x102/0x170 [ 4038.242925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4038.242925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.242925][ T10] netlink_rcv_skb+0x130/0x360 [ 4038.242925][ T10] netlink_unicast+0x449/0x710 [ 4038.242925][ T10] netlink_sendmsg+0x723/0xbe0 [ 4038.242925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4038.242925][ T10] ___sys_sendmsg+0xee/0x170 [ 4038.242925][ T10] __sys_sendmsg+0xcd/0x170 [ 4038.242925][ T10] do_syscall_64+0xc6/0x1e0 [ 4038.242925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4038.242925][ T10] [ 4038.244606][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4038.244896][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4038.244896][ T10] netdev_get_by_index+0x5e/0x80 [ 4038.244896][ T10] fib6_nh_init+0x3d8/0x1580 [ 4038.244896][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4038.244896][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4038.244896][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4038.244896][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4038.244896][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4038.244896][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4038.244896][ T10] addrconf_dad_begin+0x310/0x670 [ 4038.244896][ T10] addrconf_dad_work+0x10b/0xab0 [ 4038.244896][ T10] process_one_work+0x84d/0x18a0 [ 4038.244896][ T10] worker_thread+0x587/0xd30 [ 4038.244896][ T10] kthread+0x28a/0x350 [ 4038.244896][ T10] ret_from_fork+0x31/0x70 [ 4038.244896][ T10] ret_from_fork_asm+0x1a/0x30 [ 4038.244896][ T10] [ 4038.246790][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4038.246790][ T10] netdev_get_by_index+0x5e/0x80 [ 4038.246790][ T10] fib6_nh_init+0x3d8/0x1580 [ 4038.246790][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4038.246790][ T10] ip6_route_add+0x1c/0x140 [ 4038.246790][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4038.246790][ T10] inet6_addr_add+0x4f8/0xa40 [ 4038.246790][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4038.246790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.246790][ T10] netlink_rcv_skb+0x130/0x360 [ 4038.246790][ T10] netlink_unicast+0x449/0x710 [ 4038.246790][ T10] netlink_sendmsg+0x723/0xbe0 [ 4038.246790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4038.246790][ T10] ___sys_sendmsg+0xee/0x170 [ 4038.246790][ T10] __sys_sendmsg+0xcd/0x170 [ 4038.246790][ T10] do_syscall_64+0xc6/0x1e0 [ 4038.246790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4038.246790][ T10] [ 4038.248773][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4038.248773][ T10] netdev_get_by_index+0x5e/0x80 [ 4038.248773][ T10] fib6_nh_init+0x3d8/0x1580 [ 4038.248773][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4038.248773][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4038.248773][ T10] ipv6_add_addr+0x411/0x2000 [ 4038.248773][ T10] inet6_addr_add+0x30e/0xa40 [ 4038.248773][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4038.248773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.248773][ T10] netlink_rcv_skb+0x130/0x360 [ 4038.248773][ T10] netlink_unicast+0x449/0x710 [ 4038.248773][ T10] netlink_sendmsg+0x723/0xbe0 [ 4038.248773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4038.248773][ T10] ___sys_sendmsg+0xee/0x170 [ 4038.248773][ T10] __sys_sendmsg+0xcd/0x170 [ 4038.248773][ T10] do_syscall_64+0xc6/0x1e0 [ 4038.248773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4038.248773][ T10] [ 4038.250752][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4038.250752][ T10] netdev_get_by_index+0x5e/0x80 [ 4038.250752][ T10] fib6_nh_init+0x3d8/0x1580 [ 4038.250752][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4038.250752][ T10] ip6_route_add+0x1c/0x140 [ 4038.250752][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4038.250752][ T10] addrconf_add_dev+0xe2/0x170 [ 4038.250752][ T10] inet6_addr_add+0x12f/0xa40 [ 4038.250752][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4038.250752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.250752][ T10] netlink_rcv_skb+0x130/0x360 [ 4038.250752][ T10] netlink_unicast+0x449/0x710 [ 4038.250752][ T10] netlink_sendmsg+0x723/0xbe0 [ 4038.250752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4038.250752][ T10] ___sys_sendmsg+0xee/0x170 [ 4038.250752][ T10] __sys_sendmsg+0xcd/0x170 [ 4038.250752][ T10] do_syscall_64+0xc6/0x1e0 [ 4038.250752][ T10] [ 4038.252699][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4038.252699][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4038.252699][ T10] ipv6_find_idev+0x102/0x170 [ 4038.252699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4038.252699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.252699][ T10] netlink_rcv_skb+0x130/0x360 [ 4038.252699][ T10] netlink_unicast+0x449/0x710 [ 4038.252699][ T10] netlink_sendmsg+0x723/0xbe0 [ 4038.252699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4038.252699][ T10] ___sys_sendmsg+0xee/0x170 [ 4038.252699][ T10] __sys_sendmsg+0xcd/0x170 [ 4038.252699][ T10] do_syscall_64+0xc6/0x1e0 [ 4038.252699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4038.252699][ T10] [ 4038.254226][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4038.254226][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4038.254226][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4038.254226][ T10] ipv6_find_idev+0x102/0x170 [ 4038.254226][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4038.254226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.254226][ T10] netlink_rcv_skb+0x130/0x360 [ 4038.254226][ T10] netlink_unicast+0x449/0x710 [ 4038.254226][ T10] netlink_sendmsg+0x723/0xbe0 [ 4038.254226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4038.254226][ T10] ___sys_sendmsg+0xee/0x170 [ 4038.254226][ T10] __sys_sendmsg+0xcd/0x170 [ 4038.254226][ T10] do_syscall_64+0xc6/0x1e0 [ 4038.254226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4038.254226][ T10] [ 4038.255895][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4038.256148][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4038.256148][ T10] netdev_get_by_index+0x5e/0x80 [ 4038.256148][ T10] fib6_nh_init+0x3d8/0x1580 [ 4038.256148][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4038.256148][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4038.256148][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4038.256148][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4038.256148][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4038.256148][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4038.256148][ T10] addrconf_dad_begin+0x310/0x670 [ 4038.256148][ T10] addrconf_dad_work+0x10b/0xab0 [ 4038.256148][ T10] process_one_work+0x84d/0x18a0 [ 4038.256148][ T10] worker_thread+0x587/0xd30 [ 4038.256148][ T10] kthread+0x28a/0x350 [ 4038.256148][ T10] ret_from_fork+0x31/0x70 [ 4038.256148][ T10] ret_from_fork_asm+0x1a/0x30 [ 4038.256148][ T10] [ 4038.258043][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4038.258043][ T10] netdev_get_by_index+0x5e/0x80 [ 4038.258043][ T10] fib6_nh_init+0x3d8/0x1580 [ 4038.258043][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4038.258043][ T10] ip6_route_add+0x1c/0x140 [ 4038.258043][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4038.258043][ T10] inet6_addr_add+0x4f8/0xa40 [ 4038.258043][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4038.258043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.258043][ T10] netlink_rcv_skb+0x130/0x360 [ 4038.258043][ T10] netlink_unicast+0x449/0x710 [ 4038.258043][ T10] netlink_sendmsg+0x723/0xbe0 [ 4038.258043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4038.258043][ T10] ___sys_sendmsg+0xee/0x170 [ 4038.258043][ T10] __sys_sendmsg+0xcd/0x170 [ 4038.258043][ T10] do_syscall_64+0xc6/0x1e0 [ 4038.258043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4038.258043][ T10] [ 4038.260219][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4038.260219][ T10] netdev_get_by_index+0x5e/0x80 [ 4038.260219][ T10] fib6_nh_init+0x3d8/0x1580 [ 4038.260219][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4038.260219][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4038.260219][ T10] ipv6_add_addr+0x411/0x2000 [ 4038.260219][ T10] inet6_addr_add+0x30e/0xa40 [ 4038.260219][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4038.260219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.260219][ T10] netlink_rcv_skb+0x130/0x360 [ 4038.260219][ T10] netlink_unicast+0x449/0x710 [ 4038.260219][ T10] netlink_sendmsg+0x723/0xbe0 [ 4038.260219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4038.260219][ T10] ___sys_sendmsg+0xee/0x170 [ 4038.260219][ T10] __sys_sendmsg+0xcd/0x170 [ 4038.260219][ T10] do_syscall_64+0xc6/0x1e0 [ 4038.260219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4038.260219][ T10] [ 4038.262446][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4038.262446][ T10] netdev_get_by_index+0x5e/0x80 [ 4038.262446][ T10] fib6_nh_init+0x3d8/0x1580 [ 4038.262446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4038.262446][ T10] ip6_route_add+0x1c/0x140 [ 4038.262446][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4038.262446][ T10] addrconf_add_dev+0xe2/0x170 [ 4038.262446][ T10] inet6_addr_add+0x12f/0xa40 [ 4038.262446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4038.262446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.262446][ T10] netlink_rcv_skb+0x130/0x360 [ 4038.262446][ T10] netlink_unicast+0x449/0x710 [ 4038.262446][ T10] netlink_sendmsg+0x723/0xbe0 [ 4038.262446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4038.262446][ T10] ___sys_sendmsg+0xee/0x170 [ 4038.262446][ T10] __sys_sendmsg+0xcd/0x170 [ 4038.262446][ T10] do_syscall_64+0xc6/0x1e0 [ 4038.262446][ T10] [ 4038.264635][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4038.264635][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4038.264635][ T10] ipv6_find_idev+0x102/0x170 [ 4038.264635][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4038.264635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.264635][ T10] netlink_rcv_skb+0x130/0x360 [ 4038.264635][ T10] netlink_unicast+0x449/0x710 [ 4038.264635][ T10] netlink_sendmsg+0x723/0xbe0 [ 4038.264635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4038.264635][ T10] ___sys_sendmsg+0xee/0x170 [ 4038.264635][ T10] __sys_sendmsg+0xcd/0x170 [ 4038.264635][ T10] do_syscall_64+0xc6/0x1e0 [ 4038.264635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4038.264635][ T10] [ 4038.266403][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4038.266403][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4038.266403][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4038.266403][ T10] ipv6_find_idev+0x102/0x170 [ 4038.266403][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4038.266403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.266403][ T10] netlink_rcv_skb+0x130/0x360 [ 4038.266403][ T10] netlink_unicast+0x449/0x710 [ 4038.266403][ T10] netlink_sendmsg+0x723/0xbe0 [ 4038.266403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4038.266403][ T10] ___sys_sendmsg+0xee/0x170 [ 4038.266403][ T10] __sys_sendmsg+0xcd/0x170 [ 4038.266403][ T10] do_syscall_64+0xc6/0x1e0 [ 4038.266403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4038.266403][ T10] [ 4038.268254][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4038.268487][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4038.268487][ T10] netdev_get_by_index+0x5e/0x80 [ 4038.268487][ T10] fib6_nh_init+0x3d8/0x1580 [ 4038.268487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4038.268487][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4038.268487][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4038.268487][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4038.268487][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4038.268487][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4038.268487][ T10] addrconf_dad_begin+0x310/0x670 [ 4038.268487][ T10] addrconf_dad_work+0x10b/0xab0 [ 4038.268487][ T10] process_one_work+0x84d/0x18a0 [ 4038.268487][ T10] worker_thread+0x587/0xd30 [ 4038.268487][ T10] kthread+0x28a/0x350 [ 4038.268487][ T10] ret_from_fork+0x31/0x70 [ 4038.268487][ T10] ret_from_fork_asm+0x1a/0x30 [ 4038.268487][ T10] [ 4038.270627][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4038.270627][ T10] netdev_get_by_index+0x5e/0x80 [ 4038.270627][ T10] fib6_nh_init+0x3d8/0x1580 [ 4038.270627][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4038.270627][ T10] ip6_route_add+0x1c/0x140 [ 4038.270627][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4038.270627][ T10] inet6_addr_add+0x4f8/0xa40 [ 4038.270627][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4038.270627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.270627][ T10] netlink_rcv_skb+0x130/0x360 [ 4038.270627][ T10] netlink_unicast+0x449/0x710 [ 4038.270627][ T10] netlink_sendmsg+0x723/0xbe0 [ 4038.270627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4038.270627][ T10] ___sys_sendmsg+0xee/0x170 [ 4038.270627][ T10] __sys_sendmsg+0xcd/0x170 [ 4038.270627][ T10] do_syscall_64+0xc6/0x1e0 [ 4038.270627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4038.270627][ T10] [ 4038.272855][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4038.272855][ T10] netdev_get_by_index+0x5e/0x80 [ 4038.272855][ T10] fib6_nh_init+0x3d8/0x1580 [ 4038.272855][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4038.272855][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4038.272855][ T10] ipv6_add_addr+0x411/0x2000 [ 4038.272855][ T10] inet6_addr_add+0x30e/0xa40 [ 4038.272855][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4038.272855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.272855][ T10] netlink_rcv_skb+0x130/0x360 [ 4038.272855][ T10] netlink_unicast+0x449/0x710 [ 4038.272855][ T10] netlink_sendmsg+0x723/0xbe0 [ 4038.272855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4038.272855][ T10] ___sys_sendmsg+0xee/0x170 [ 4038.272855][ T10] __sys_sendmsg+0xcd/0x170 [ 4038.272855][ T10] do_syscall_64+0xc6/0x1e0 [ 4038.272855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4038.272855][ T10] [ 4038.275017][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4038.275017][ T10] netdev_get_by_index+0x5e/0x80 [ 4038.275017][ T10] fib6_nh_init+0x3d8/0x1580 [ 4038.275017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4038.275017][ T10] ip6_route_add+0x1c/0x140 [ 4038.275017][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4038.275017][ T10] addrconf_add_dev+0xe2/0x170 [ 4038.275017][ T10] inet6_addr_add+0x12f/0xa40 [ 4038.275017][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4038.275017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.275017][ T10] netlink_rcv_skb+0x130/0x360 [ 4038.275017][ T10] netlink_unicast+0x449/0x710 [ 4038.275017][ T10] netlink_sendmsg+0x723/0xbe0 [ 4038.275017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4038.275017][ T10] ___sys_sendmsg+0xee/0x170 [ 4038.275017][ T10] __sys_sendmsg+0xcd/0x170 [ 4038.275017][ T10] do_syscall_64+0xc6/0x1e0 [ 4038.275017][ T10] [ 4038.277266][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4038.277266][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4038.277266][ T10] ipv6_find_idev+0x102/0x170 [ 4038.277266][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4038.277266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.277266][ T10] netlink_rcv_skb+0x130/0x360 [ 4038.277266][ T10] netlink_unicast+0x449/0x710 [ 4038.277266][ T10] netlink_sendmsg+0x723/0xbe0 [ 4038.277266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4038.277266][ T10] ___sys_sendmsg+0xee/0x170 [ 4038.277266][ T10] __sys_sendmsg+0xcd/0x170 [ 4038.277266][ T10] do_syscall_64+0xc6/0x1e0 [ 4038.277266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4038.277266][ T10] [ 4038.278982][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4038.278982][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4038.278982][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4038.278982][ T10] ipv6_find_idev+0x102/0x170 [ 4038.278982][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4038.278982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.278982][ T10] netlink_rcv_skb+0x130/0x360 [ 4038.278982][ T10] netlink_unicast+0x449/0x710 [ 4038.278982][ T10] netlink_sendmsg+0x723/0xbe0 [ 4038.278982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4038.278982][ T10] ___sys_sendmsg+0xee/0x170 [ 4038.278982][ T10] __sys_sendmsg+0xcd/0x170 [ 4038.278982][ T10] do_syscall_64+0xc6/0x1e0 [ 4038.278982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4038.278982][ T10] [ 4045.961125][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4045.961550][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4045.961550][ T1167] dst_init+0x84/0x4a0 [ 4045.961550][ T1167] dst_alloc+0x97/0x150 [ 4045.961550][ T1167] ip6_dst_alloc+0x23/0x90 [ 4045.961550][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4045.961550][ T1167] ip6_pol_route+0x56f/0x840 [ 4045.961550][ T1167] fib6_rule_lookup+0x334/0x630 [ 4045.961550][ T1167] ip6_route_output_flags+0x259/0x480 [ 4045.961550][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4045.961550][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4045.961550][ T1167] netlink_rcv_skb+0x130/0x360 [ 4045.961550][ T1167] netlink_unicast+0x449/0x710 [ 4045.961550][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4045.961550][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4045.961550][ T1167] ___sys_sendmsg+0xee/0x170 [ 4045.961550][ T1167] __sys_sendmsg+0xcd/0x170 [ 4045.961550][ T1167] do_syscall_64+0xc6/0x1e0 [ 4045.961550][ T1167] [ 4045.963742][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4045.963742][ T1167] netdev_get_by_index+0x5e/0x80 [ 4045.963742][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4045.963742][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4045.963742][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4045.963742][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4045.963742][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4045.963742][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4045.963742][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4045.963742][ T1167] addrconf_dad_begin+0x310/0x670 [ 4045.963742][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4045.963742][ T1167] process_one_work+0x84d/0x18a0 [ 4045.963742][ T1167] worker_thread+0x587/0xd30 [ 4045.963742][ T1167] kthread+0x28a/0x350 [ 4045.963742][ T1167] ret_from_fork+0x31/0x70 [ 4045.963742][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4045.963742][ T1167] [ 4045.965899][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4045.965899][ T1167] netdev_get_by_index+0x5e/0x80 [ 4045.965899][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4045.965899][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4045.965899][ T1167] ip6_route_add+0x1c/0x140 [ 4045.965899][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4045.965899][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4045.965899][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4045.965899][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4045.965899][ T1167] netlink_rcv_skb+0x130/0x360 [ 4045.965899][ T1167] netlink_unicast+0x449/0x710 [ 4045.965899][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4045.965899][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4045.965899][ T1167] ___sys_sendmsg+0xee/0x170 [ 4045.965899][ T1167] __sys_sendmsg+0xcd/0x170 [ 4045.965899][ T1167] do_syscall_64+0xc6/0x1e0 [ 4045.965899][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4045.965899][ T1167] [ 4045.968145][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4045.968145][ T1167] netdev_get_by_index+0x5e/0x80 [ 4045.968145][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4045.968145][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4045.968145][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4045.968145][ T1167] ipv6_add_addr+0x411/0x2000 [ 4045.968145][ T1167] inet6_addr_add+0x30e/0xa40 [ 4045.968145][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4045.968145][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4045.968145][ T1167] netlink_rcv_skb+0x130/0x360 [ 4045.968145][ T1167] netlink_unicast+0x449/0x710 [ 4045.968145][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4045.968145][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4045.968145][ T1167] ___sys_sendmsg+0xee/0x170 [ 4045.968145][ T1167] __sys_sendmsg+0xcd/0x170 [ 4045.968145][ T1167] do_syscall_64+0xc6/0x1e0 [ 4045.968145][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4045.968145][ T1167] [ 4045.970404][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4045.970404][ T1167] netdev_get_by_index+0x5e/0x80 [ 4045.970404][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4045.970404][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4045.970404][ T1167] ip6_route_add+0x1c/0x140 [ 4045.970404][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4045.970404][ T1167] addrconf_add_dev+0xe2/0x170 [ 4045.970404][ T1167] inet6_addr_add+0x12f/0xa40 [ 4045.970404][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4045.970404][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4045.970404][ T1167] netlink_rcv_skb+0x130/0x360 [ 4045.970404][ T1167] netlink_unicast+0x449/0x710 [ 4045.970404][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4045.970404][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4045.970404][ T1167] ___sys_sendmsg+0xee/0x170 [ 4045.970404][ T1167] __sys_sendmsg+0xcd/0x170 [ 4045.970404][ T1167] do_syscall_64+0xc6/0x1e0 [ 4045.970404][ T1167] [ 4045.972620][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4045.972620][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4045.972620][ T1167] ipv6_find_idev+0x102/0x170 [ 4045.972620][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4045.972620][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4045.972620][ T1167] netlink_rcv_skb+0x130/0x360 [ 4045.972620][ T1167] netlink_unicast+0x449/0x710 [ 4045.972620][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4045.972620][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4045.972620][ T1167] ___sys_sendmsg+0xee/0x170 [ 4045.972620][ T1167] __sys_sendmsg+0xcd/0x170 [ 4045.972620][ T1167] do_syscall_64+0xc6/0x1e0 [ 4045.972620][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4045.972620][ T1167] [ 4045.974351][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4045.974351][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4045.974351][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4045.974351][ T1167] ipv6_find_idev+0x102/0x170 [ 4045.974351][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4045.974351][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4045.974351][ T1167] netlink_rcv_skb+0x130/0x360 [ 4045.974351][ T1167] netlink_unicast+0x449/0x710 [ 4045.974351][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4045.974351][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4045.974351][ T1167] ___sys_sendmsg+0xee/0x170 [ 4045.974351][ T1167] __sys_sendmsg+0xcd/0x170 [ 4045.974351][ T1167] do_syscall_64+0xc6/0x1e0 [ 4045.974351][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4045.974351][ T1167] [ 4048.521079][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4048.521514][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4048.521514][ T10] netdev_get_by_index+0x5e/0x80 [ 4048.521514][ T10] fib6_nh_init+0x3d8/0x1580 [ 4048.521514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4048.521514][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4048.521514][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4048.521514][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4048.521514][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4048.521514][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4048.521514][ T10] addrconf_dad_begin+0x310/0x670 [ 4048.521514][ T10] addrconf_dad_work+0x10b/0xab0 [ 4048.521514][ T10] process_one_work+0x84d/0x18a0 [ 4048.521514][ T10] worker_thread+0x587/0xd30 [ 4048.521514][ T10] kthread+0x28a/0x350 [ 4048.521514][ T10] ret_from_fork+0x31/0x70 [ 4048.521514][ T10] ret_from_fork_asm+0x1a/0x30 [ 4048.521514][ T10] [ 4048.523520][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4048.523520][ T10] netdev_get_by_index+0x5e/0x80 [ 4048.523520][ T10] fib6_nh_init+0x3d8/0x1580 [ 4048.523520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4048.523520][ T10] ip6_route_add+0x1c/0x140 [ 4048.523520][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4048.523520][ T10] inet6_addr_add+0x4f8/0xa40 [ 4048.523520][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4048.523520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.523520][ T10] netlink_rcv_skb+0x130/0x360 [ 4048.523520][ T10] netlink_unicast+0x449/0x710 [ 4048.523520][ T10] netlink_sendmsg+0x723/0xbe0 [ 4048.523520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4048.523520][ T10] ___sys_sendmsg+0xee/0x170 [ 4048.523520][ T10] __sys_sendmsg+0xcd/0x170 [ 4048.523520][ T10] do_syscall_64+0xc6/0x1e0 [ 4048.523520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.523520][ T10] [ 4048.525546][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4048.525546][ T10] netdev_get_by_index+0x5e/0x80 [ 4048.525546][ T10] fib6_nh_init+0x3d8/0x1580 [ 4048.525546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4048.525546][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4048.525546][ T10] ipv6_add_addr+0x411/0x2000 [ 4048.525546][ T10] inet6_addr_add+0x30e/0xa40 [ 4048.525546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4048.525546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.525546][ T10] netlink_rcv_skb+0x130/0x360 [ 4048.525546][ T10] netlink_unicast+0x449/0x710 [ 4048.525546][ T10] netlink_sendmsg+0x723/0xbe0 [ 4048.525546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4048.525546][ T10] ___sys_sendmsg+0xee/0x170 [ 4048.525546][ T10] __sys_sendmsg+0xcd/0x170 [ 4048.525546][ T10] do_syscall_64+0xc6/0x1e0 [ 4048.525546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.525546][ T10] [ 4048.527552][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4048.527552][ T10] netdev_get_by_index+0x5e/0x80 [ 4048.527552][ T10] fib6_nh_init+0x3d8/0x1580 [ 4048.527552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4048.527552][ T10] ip6_route_add+0x1c/0x140 [ 4048.527552][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4048.527552][ T10] addrconf_add_dev+0xe2/0x170 [ 4048.527552][ T10] inet6_addr_add+0x12f/0xa40 [ 4048.527552][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4048.527552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.527552][ T10] netlink_rcv_skb+0x130/0x360 [ 4048.527552][ T10] netlink_unicast+0x449/0x710 [ 4048.527552][ T10] netlink_sendmsg+0x723/0xbe0 [ 4048.527552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4048.527552][ T10] ___sys_sendmsg+0xee/0x170 [ 4048.527552][ T10] __sys_sendmsg+0xcd/0x170 [ 4048.527552][ T10] do_syscall_64+0xc6/0x1e0 [ 4048.527552][ T10] [ 4048.529555][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4048.529555][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4048.529555][ T10] ipv6_find_idev+0x102/0x170 [ 4048.529555][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4048.529555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.529555][ T10] netlink_rcv_skb+0x130/0x360 [ 4048.529555][ T10] netlink_unicast+0x449/0x710 [ 4048.529555][ T10] netlink_sendmsg+0x723/0xbe0 [ 4048.529555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4048.529555][ T10] ___sys_sendmsg+0xee/0x170 [ 4048.529555][ T10] __sys_sendmsg+0xcd/0x170 [ 4048.529555][ T10] do_syscall_64+0xc6/0x1e0 [ 4048.529555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.529555][ T10] [ 4048.531104][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4048.531104][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4048.531104][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4048.531104][ T10] ipv6_find_idev+0x102/0x170 [ 4048.531104][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4048.531104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.531104][ T10] netlink_rcv_skb+0x130/0x360 [ 4048.531104][ T10] netlink_unicast+0x449/0x710 [ 4048.531104][ T10] netlink_sendmsg+0x723/0xbe0 [ 4048.531104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4048.531104][ T10] ___sys_sendmsg+0xee/0x170 [ 4048.531104][ T10] __sys_sendmsg+0xcd/0x170 [ 4048.531104][ T10] do_syscall_64+0xc6/0x1e0 [ 4048.531104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.531104][ T10] [ 4048.532794][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4048.533042][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4048.533042][ T10] netdev_get_by_index+0x5e/0x80 [ 4048.533042][ T10] fib6_nh_init+0x3d8/0x1580 [ 4048.533042][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4048.533042][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4048.533042][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4048.533042][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4048.533042][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4048.533042][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4048.533042][ T10] addrconf_dad_begin+0x310/0x670 [ 4048.533042][ T10] addrconf_dad_work+0x10b/0xab0 [ 4048.533042][ T10] process_one_work+0x84d/0x18a0 [ 4048.533042][ T10] worker_thread+0x587/0xd30 [ 4048.533042][ T10] kthread+0x28a/0x350 [ 4048.533042][ T10] ret_from_fork+0x31/0x70 [ 4048.533042][ T10] ret_from_fork_asm+0x1a/0x30 [ 4048.533042][ T10] [ 4048.534943][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4048.534943][ T10] netdev_get_by_index+0x5e/0x80 [ 4048.534943][ T10] fib6_nh_init+0x3d8/0x1580 [ 4048.534943][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4048.534943][ T10] ip6_route_add+0x1c/0x140 [ 4048.534943][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4048.534943][ T10] inet6_addr_add+0x4f8/0xa40 [ 4048.534943][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4048.534943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.534943][ T10] netlink_rcv_skb+0x130/0x360 [ 4048.534943][ T10] netlink_unicast+0x449/0x710 [ 4048.534943][ T10] netlink_sendmsg+0x723/0xbe0 [ 4048.534943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4048.534943][ T10] ___sys_sendmsg+0xee/0x170 [ 4048.534943][ T10] __sys_sendmsg+0xcd/0x170 [ 4048.534943][ T10] do_syscall_64+0xc6/0x1e0 [ 4048.534943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.534943][ T10] [ 4048.537445][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4048.537445][ T10] netdev_get_by_index+0x5e/0x80 [ 4048.537445][ T10] fib6_nh_init+0x3d8/0x1580 [ 4048.537445][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4048.537445][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4048.537445][ T10] ipv6_add_addr+0x411/0x2000 [ 4048.537445][ T10] inet6_addr_add+0x30e/0xa40 [ 4048.537445][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4048.537445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.537445][ T10] netlink_rcv_skb+0x130/0x360 [ 4048.537445][ T10] netlink_unicast+0x449/0x710 [ 4048.537445][ T10] netlink_sendmsg+0x723/0xbe0 [ 4048.537445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4048.537445][ T10] ___sys_sendmsg+0xee/0x170 [ 4048.537445][ T10] __sys_sendmsg+0xcd/0x170 [ 4048.537445][ T10] do_syscall_64+0xc6/0x1e0 [ 4048.537445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.537445][ T10] [ 4048.539464][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4048.539464][ T10] netdev_get_by_index+0x5e/0x80 [ 4048.539464][ T10] fib6_nh_init+0x3d8/0x1580 [ 4048.539464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4048.539464][ T10] ip6_route_add+0x1c/0x140 [ 4048.539464][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4048.539464][ T10] addrconf_add_dev+0xe2/0x170 [ 4048.539464][ T10] inet6_addr_add+0x12f/0xa40 [ 4048.539464][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4048.539464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.539464][ T10] netlink_rcv_skb+0x130/0x360 [ 4048.539464][ T10] netlink_unicast+0x449/0x710 [ 4048.539464][ T10] netlink_sendmsg+0x723/0xbe0 [ 4048.539464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4048.539464][ T10] ___sys_sendmsg+0xee/0x170 [ 4048.539464][ T10] __sys_sendmsg+0xcd/0x170 [ 4048.539464][ T10] do_syscall_64+0xc6/0x1e0 [ 4048.539464][ T10] [ 4048.541431][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4048.541431][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4048.541431][ T10] ipv6_find_idev+0x102/0x170 [ 4048.541431][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4048.541431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.541431][ T10] netlink_rcv_skb+0x130/0x360 [ 4048.541431][ T10] netlink_unicast+0x449/0x710 [ 4048.541431][ T10] netlink_sendmsg+0x723/0xbe0 [ 4048.541431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4048.541431][ T10] ___sys_sendmsg+0xee/0x170 [ 4048.541431][ T10] __sys_sendmsg+0xcd/0x170 [ 4048.541431][ T10] do_syscall_64+0xc6/0x1e0 [ 4048.541431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.541431][ T10] [ 4048.542968][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4048.542968][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4048.542968][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4048.542968][ T10] ipv6_find_idev+0x102/0x170 [ 4048.542968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4048.542968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.542968][ T10] netlink_rcv_skb+0x130/0x360 [ 4048.542968][ T10] netlink_unicast+0x449/0x710 [ 4048.542968][ T10] netlink_sendmsg+0x723/0xbe0 [ 4048.542968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4048.542968][ T10] ___sys_sendmsg+0xee/0x170 [ 4048.542968][ T10] __sys_sendmsg+0xcd/0x170 [ 4048.542968][ T10] do_syscall_64+0xc6/0x1e0 [ 4048.542968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.542968][ T10] [ 4048.544646][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4048.544888][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4048.544888][ T10] netdev_get_by_index+0x5e/0x80 [ 4048.544888][ T10] fib6_nh_init+0x3d8/0x1580 [ 4048.544888][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4048.544888][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4048.544888][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4048.544888][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4048.544888][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4048.544888][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4048.544888][ T10] addrconf_dad_begin+0x310/0x670 [ 4048.544888][ T10] addrconf_dad_work+0x10b/0xab0 [ 4048.544888][ T10] process_one_work+0x84d/0x18a0 [ 4048.544888][ T10] worker_thread+0x587/0xd30 [ 4048.544888][ T10] kthread+0x28a/0x350 [ 4048.544888][ T10] ret_from_fork+0x31/0x70 [ 4048.544888][ T10] ret_from_fork_asm+0x1a/0x30 [ 4048.544888][ T10] [ 4048.546806][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4048.546806][ T10] netdev_get_by_index+0x5e/0x80 [ 4048.546806][ T10] fib6_nh_init+0x3d8/0x1580 [ 4048.546806][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4048.546806][ T10] ip6_route_add+0x1c/0x140 [ 4048.546806][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4048.546806][ T10] inet6_addr_add+0x4f8/0xa40 [ 4048.546806][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4048.546806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.546806][ T10] netlink_rcv_skb+0x130/0x360 [ 4048.546806][ T10] netlink_unicast+0x449/0x710 [ 4048.546806][ T10] netlink_sendmsg+0x723/0xbe0 [ 4048.546806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4048.546806][ T10] ___sys_sendmsg+0xee/0x170 [ 4048.546806][ T10] __sys_sendmsg+0xcd/0x170 [ 4048.546806][ T10] do_syscall_64+0xc6/0x1e0 [ 4048.546806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.546806][ T10] [ 4048.552690][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4048.552690][ T10] netdev_get_by_index+0x5e/0x80 [ 4048.552690][ T10] fib6_nh_init+0x3d8/0x1580 [ 4048.552690][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4048.552690][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4048.552690][ T10] ipv6_add_addr+0x411/0x2000 [ 4048.552690][ T10] inet6_addr_add+0x30e/0xa40 [ 4048.552690][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4048.552690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.552690][ T10] netlink_rcv_skb+0x130/0x360 [ 4048.552690][ T10] netlink_unicast+0x449/0x710 [ 4048.552690][ T10] netlink_sendmsg+0x723/0xbe0 [ 4048.552690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4048.552690][ T10] ___sys_sendmsg+0xee/0x170 [ 4048.552690][ T10] __sys_sendmsg+0xcd/0x170 [ 4048.552690][ T10] do_syscall_64+0xc6/0x1e0 [ 4048.552690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.552690][ T10] [ 4048.554797][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4048.554797][ T10] netdev_get_by_index+0x5e/0x80 [ 4048.554797][ T10] fib6_nh_init+0x3d8/0x1580 [ 4048.554797][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4048.554797][ T10] ip6_route_add+0x1c/0x140 [ 4048.554797][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4048.554797][ T10] addrconf_add_dev+0xe2/0x170 [ 4048.554797][ T10] inet6_addr_add+0x12f/0xa40 [ 4048.554797][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4048.554797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.554797][ T10] netlink_rcv_skb+0x130/0x360 [ 4048.554797][ T10] netlink_unicast+0x449/0x710 [ 4048.554797][ T10] netlink_sendmsg+0x723/0xbe0 [ 4048.554797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4048.554797][ T10] ___sys_sendmsg+0xee/0x170 [ 4048.554797][ T10] __sys_sendmsg+0xcd/0x170 [ 4048.554797][ T10] do_syscall_64+0xc6/0x1e0 [ 4048.554797][ T10] [ 4048.556893][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4048.556893][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4048.556893][ T10] ipv6_find_idev+0x102/0x170 [ 4048.556893][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4048.556893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.556893][ T10] netlink_rcv_skb+0x130/0x360 [ 4048.556893][ T10] netlink_unicast+0x449/0x710 [ 4048.556893][ T10] netlink_sendmsg+0x723/0xbe0 [ 4048.556893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4048.556893][ T10] ___sys_sendmsg+0xee/0x170 [ 4048.556893][ T10] __sys_sendmsg+0xcd/0x170 [ 4048.556893][ T10] do_syscall_64+0xc6/0x1e0 [ 4048.556893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.556893][ T10] [ 4048.558569][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4048.558569][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4048.558569][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4048.558569][ T10] ipv6_find_idev+0x102/0x170 [ 4048.558569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4048.558569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.558569][ T10] netlink_rcv_skb+0x130/0x360 [ 4048.558569][ T10] netlink_unicast+0x449/0x710 [ 4048.558569][ T10] netlink_sendmsg+0x723/0xbe0 [ 4048.558569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4048.558569][ T10] ___sys_sendmsg+0xee/0x170 [ 4048.558569][ T10] __sys_sendmsg+0xcd/0x170 [ 4048.558569][ T10] do_syscall_64+0xc6/0x1e0 [ 4048.558569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.558569][ T10] [ 4048.560330][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4048.560569][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4048.560569][ T10] netdev_get_by_index+0x5e/0x80 [ 4048.560569][ T10] fib6_nh_init+0x3d8/0x1580 [ 4048.560569][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4048.560569][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4048.560569][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4048.560569][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4048.560569][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4048.560569][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4048.560569][ T10] addrconf_dad_begin+0x310/0x670 [ 4048.560569][ T10] addrconf_dad_work+0x10b/0xab0 [ 4048.560569][ T10] process_one_work+0x84d/0x18a0 [ 4048.560569][ T10] worker_thread+0x587/0xd30 [ 4048.560569][ T10] kthread+0x28a/0x350 [ 4048.560569][ T10] ret_from_fork+0x31/0x70 [ 4048.560569][ T10] ret_from_fork_asm+0x1a/0x30 [ 4048.560569][ T10] [ 4048.562613][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4048.562613][ T10] netdev_get_by_index+0x5e/0x80 [ 4048.562613][ T10] fib6_nh_init+0x3d8/0x1580 [ 4048.562613][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4048.562613][ T10] ip6_route_add+0x1c/0x140 [ 4048.562613][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4048.562613][ T10] inet6_addr_add+0x4f8/0xa40 [ 4048.562613][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4048.562613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.562613][ T10] netlink_rcv_skb+0x130/0x360 [ 4048.562613][ T10] netlink_unicast+0x449/0x710 [ 4048.562613][ T10] netlink_sendmsg+0x723/0xbe0 [ 4048.562613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4048.562613][ T10] ___sys_sendmsg+0xee/0x170 [ 4048.562613][ T10] __sys_sendmsg+0xcd/0x170 [ 4048.562613][ T10] do_syscall_64+0xc6/0x1e0 [ 4048.562613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.562613][ T10] [ 4048.564747][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4048.564747][ T10] netdev_get_by_index+0x5e/0x80 [ 4048.564747][ T10] fib6_nh_init+0x3d8/0x1580 [ 4048.564747][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4048.564747][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4048.564747][ T10] ipv6_add_addr+0x411/0x2000 [ 4048.564747][ T10] inet6_addr_add+0x30e/0xa40 [ 4048.564747][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4048.564747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.564747][ T10] netlink_rcv_skb+0x130/0x360 [ 4048.564747][ T10] netlink_unicast+0x449/0x710 [ 4048.564747][ T10] netlink_sendmsg+0x723/0xbe0 [ 4048.564747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4048.564747][ T10] ___sys_sendmsg+0xee/0x170 [ 4048.564747][ T10] __sys_sendmsg+0xcd/0x170 [ 4048.564747][ T10] do_syscall_64+0xc6/0x1e0 [ 4048.564747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.564747][ T10] [ 4048.566884][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4048.566884][ T10] netdev_get_by_index+0x5e/0x80 [ 4048.566884][ T10] fib6_nh_init+0x3d8/0x1580 [ 4048.566884][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4048.566884][ T10] ip6_route_add+0x1c/0x140 [ 4048.566884][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4048.566884][ T10] addrconf_add_dev+0xe2/0x170 [ 4048.566884][ T10] inet6_addr_add+0x12f/0xa40 [ 4048.566884][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4048.566884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.566884][ T10] netlink_rcv_skb+0x130/0x360 [ 4048.566884][ T10] netlink_unicast+0x449/0x710 [ 4048.566884][ T10] netlink_sendmsg+0x723/0xbe0 [ 4048.566884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4048.566884][ T10] ___sys_sendmsg+0xee/0x170 [ 4048.566884][ T10] __sys_sendmsg+0xcd/0x170 [ 4048.566884][ T10] do_syscall_64+0xc6/0x1e0 [ 4048.566884][ T10] [ 4048.568989][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4048.568989][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4048.568989][ T10] ipv6_find_idev+0x102/0x170 [ 4048.568989][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4048.568989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.568989][ T10] netlink_rcv_skb+0x130/0x360 [ 4048.568989][ T10] netlink_unicast+0x449/0x710 [ 4048.568989][ T10] netlink_sendmsg+0x723/0xbe0 [ 4048.568989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4048.568989][ T10] ___sys_sendmsg+0xee/0x170 [ 4048.568989][ T10] __sys_sendmsg+0xcd/0x170 [ 4048.568989][ T10] do_syscall_64+0xc6/0x1e0 [ 4048.568989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.568989][ T10] [ 4048.570588][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4048.570588][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4048.570588][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4048.570588][ T10] ipv6_find_idev+0x102/0x170 [ 4048.570588][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4048.570588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.570588][ T10] netlink_rcv_skb+0x130/0x360 [ 4048.570588][ T10] netlink_unicast+0x449/0x710 [ 4048.570588][ T10] netlink_sendmsg+0x723/0xbe0 [ 4048.570588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4048.570588][ T10] ___sys_sendmsg+0xee/0x170 [ 4048.570588][ T10] __sys_sendmsg+0xcd/0x170 [ 4048.570588][ T10] do_syscall_64+0xc6/0x1e0 [ 4048.570588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.570588][ T10] [ 4056.001132][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4056.001550][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4056.001550][ T1167] dst_init+0x84/0x4a0 [ 4056.001550][ T1167] dst_alloc+0x97/0x150 [ 4056.001550][ T1167] ip6_dst_alloc+0x23/0x90 [ 4056.001550][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4056.001550][ T1167] ip6_pol_route+0x56f/0x840 [ 4056.001550][ T1167] fib6_rule_lookup+0x334/0x630 [ 4056.001550][ T1167] ip6_route_output_flags+0x259/0x480 [ 4056.001550][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4056.001550][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4056.001550][ T1167] netlink_rcv_skb+0x130/0x360 [ 4056.001550][ T1167] netlink_unicast+0x449/0x710 [ 4056.001550][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4056.001550][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4056.001550][ T1167] ___sys_sendmsg+0xee/0x170 [ 4056.001550][ T1167] __sys_sendmsg+0xcd/0x170 [ 4056.001550][ T1167] do_syscall_64+0xc6/0x1e0 [ 4056.001550][ T1167] [ 4056.003779][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4056.003779][ T1167] netdev_get_by_index+0x5e/0x80 [ 4056.003779][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4056.003779][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4056.003779][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4056.003779][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4056.003779][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4056.003779][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4056.003779][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4056.003779][ T1167] addrconf_dad_begin+0x310/0x670 [ 4056.003779][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4056.003779][ T1167] process_one_work+0x84d/0x18a0 [ 4056.003779][ T1167] worker_thread+0x587/0xd30 [ 4056.003779][ T1167] kthread+0x28a/0x350 [ 4056.003779][ T1167] ret_from_fork+0x31/0x70 [ 4056.003779][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4056.003779][ T1167] [ 4056.005964][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4056.005964][ T1167] netdev_get_by_index+0x5e/0x80 [ 4056.005964][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4056.005964][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4056.005964][ T1167] ip6_route_add+0x1c/0x140 [ 4056.005964][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4056.005964][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4056.005964][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4056.005964][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4056.005964][ T1167] netlink_rcv_skb+0x130/0x360 [ 4056.005964][ T1167] netlink_unicast+0x449/0x710 [ 4056.005964][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4056.005964][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4056.005964][ T1167] ___sys_sendmsg+0xee/0x170 [ 4056.005964][ T1167] __sys_sendmsg+0xcd/0x170 [ 4056.005964][ T1167] do_syscall_64+0xc6/0x1e0 [ 4056.005964][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4056.005964][ T1167] [ 4056.008227][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4056.008227][ T1167] netdev_get_by_index+0x5e/0x80 [ 4056.008227][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4056.008227][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4056.008227][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4056.008227][ T1167] ipv6_add_addr+0x411/0x2000 [ 4056.008227][ T1167] inet6_addr_add+0x30e/0xa40 [ 4056.008227][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4056.008227][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4056.008227][ T1167] netlink_rcv_skb+0x130/0x360 [ 4056.008227][ T1167] netlink_unicast+0x449/0x710 [ 4056.008227][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4056.008227][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4056.008227][ T1167] ___sys_sendmsg+0xee/0x170 [ 4056.008227][ T1167] __sys_sendmsg+0xcd/0x170 [ 4056.008227][ T1167] do_syscall_64+0xc6/0x1e0 [ 4056.008227][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4056.008227][ T1167] [ 4056.010493][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4056.010493][ T1167] netdev_get_by_index+0x5e/0x80 [ 4056.010493][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4056.010493][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4056.010493][ T1167] ip6_route_add+0x1c/0x140 [ 4056.010493][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4056.010493][ T1167] addrconf_add_dev+0xe2/0x170 [ 4056.010493][ T1167] inet6_addr_add+0x12f/0xa40 [ 4056.010493][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4056.010493][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4056.010493][ T1167] netlink_rcv_skb+0x130/0x360 [ 4056.010493][ T1167] netlink_unicast+0x449/0x710 [ 4056.010493][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4056.010493][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4056.010493][ T1167] ___sys_sendmsg+0xee/0x170 [ 4056.010493][ T1167] __sys_sendmsg+0xcd/0x170 [ 4056.010493][ T1167] do_syscall_64+0xc6/0x1e0 [ 4056.010493][ T1167] [ 4056.012732][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4056.012732][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4056.012732][ T1167] ipv6_find_idev+0x102/0x170 [ 4056.012732][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4056.012732][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4056.012732][ T1167] netlink_rcv_skb+0x130/0x360 [ 4056.012732][ T1167] netlink_unicast+0x449/0x710 [ 4056.012732][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4056.012732][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4056.012732][ T1167] ___sys_sendmsg+0xee/0x170 [ 4056.012732][ T1167] __sys_sendmsg+0xcd/0x170 [ 4056.012732][ T1167] do_syscall_64+0xc6/0x1e0 [ 4056.012732][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4056.012732][ T1167] [ 4056.014481][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4056.014481][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4056.014481][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4056.014481][ T1167] ipv6_find_idev+0x102/0x170 [ 4056.014481][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4056.014481][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4056.014481][ T1167] netlink_rcv_skb+0x130/0x360 [ 4056.014481][ T1167] netlink_unicast+0x449/0x710 [ 4056.014481][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4056.014481][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4056.014481][ T1167] ___sys_sendmsg+0xee/0x170 [ 4056.014481][ T1167] __sys_sendmsg+0xcd/0x170 [ 4056.014481][ T1167] do_syscall_64+0xc6/0x1e0 [ 4056.014481][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4056.014481][ T1167] [ 4058.809130][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4058.809495][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4058.809495][ T10] netdev_get_by_index+0x5e/0x80 [ 4058.809495][ T10] fib6_nh_init+0x3d8/0x1580 [ 4058.809495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4058.809495][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4058.809495][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4058.809495][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4058.809495][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4058.809495][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4058.809495][ T10] addrconf_dad_begin+0x310/0x670 [ 4058.809495][ T10] addrconf_dad_work+0x10b/0xab0 [ 4058.809495][ T10] process_one_work+0x84d/0x18a0 [ 4058.809495][ T10] worker_thread+0x587/0xd30 [ 4058.809495][ T10] kthread+0x28a/0x350 [ 4058.809495][ T10] ret_from_fork+0x31/0x70 [ 4058.809495][ T10] ret_from_fork_asm+0x1a/0x30 [ 4058.809495][ T10] [ 4058.811434][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4058.811434][ T10] netdev_get_by_index+0x5e/0x80 [ 4058.811434][ T10] fib6_nh_init+0x3d8/0x1580 [ 4058.811434][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4058.811434][ T10] ip6_route_add+0x1c/0x140 [ 4058.811434][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4058.811434][ T10] inet6_addr_add+0x4f8/0xa40 [ 4058.811434][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4058.811434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.811434][ T10] netlink_rcv_skb+0x130/0x360 [ 4058.811434][ T10] netlink_unicast+0x449/0x710 [ 4058.811434][ T10] netlink_sendmsg+0x723/0xbe0 [ 4058.811434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4058.811434][ T10] ___sys_sendmsg+0xee/0x170 [ 4058.811434][ T10] __sys_sendmsg+0xcd/0x170 [ 4058.811434][ T10] do_syscall_64+0xc6/0x1e0 [ 4058.811434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.811434][ T10] [ 4058.813430][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4058.813430][ T10] netdev_get_by_index+0x5e/0x80 [ 4058.813430][ T10] fib6_nh_init+0x3d8/0x1580 [ 4058.813430][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4058.813430][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4058.813430][ T10] ipv6_add_addr+0x411/0x2000 [ 4058.813430][ T10] inet6_addr_add+0x30e/0xa40 [ 4058.813430][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4058.813430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.813430][ T10] netlink_rcv_skb+0x130/0x360 [ 4058.813430][ T10] netlink_unicast+0x449/0x710 [ 4058.813430][ T10] netlink_sendmsg+0x723/0xbe0 [ 4058.813430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4058.813430][ T10] ___sys_sendmsg+0xee/0x170 [ 4058.813430][ T10] __sys_sendmsg+0xcd/0x170 [ 4058.813430][ T10] do_syscall_64+0xc6/0x1e0 [ 4058.813430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.813430][ T10] [ 4058.815532][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4058.815532][ T10] netdev_get_by_index+0x5e/0x80 [ 4058.815532][ T10] fib6_nh_init+0x3d8/0x1580 [ 4058.815532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4058.815532][ T10] ip6_route_add+0x1c/0x140 [ 4058.815532][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4058.815532][ T10] addrconf_add_dev+0xe2/0x170 [ 4058.815532][ T10] inet6_addr_add+0x12f/0xa40 [ 4058.815532][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4058.815532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.815532][ T10] netlink_rcv_skb+0x130/0x360 [ 4058.815532][ T10] netlink_unicast+0x449/0x710 [ 4058.815532][ T10] netlink_sendmsg+0x723/0xbe0 [ 4058.815532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4058.815532][ T10] ___sys_sendmsg+0xee/0x170 [ 4058.815532][ T10] __sys_sendmsg+0xcd/0x170 [ 4058.815532][ T10] do_syscall_64+0xc6/0x1e0 [ 4058.815532][ T10] [ 4058.817494][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4058.817494][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4058.817494][ T10] ipv6_find_idev+0x102/0x170 [ 4058.817494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4058.817494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.817494][ T10] netlink_rcv_skb+0x130/0x360 [ 4058.817494][ T10] netlink_unicast+0x449/0x710 [ 4058.817494][ T10] netlink_sendmsg+0x723/0xbe0 [ 4058.817494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4058.817494][ T10] ___sys_sendmsg+0xee/0x170 [ 4058.817494][ T10] __sys_sendmsg+0xcd/0x170 [ 4058.817494][ T10] do_syscall_64+0xc6/0x1e0 [ 4058.817494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.817494][ T10] [ 4058.819051][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4058.819051][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4058.819051][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4058.819051][ T10] ipv6_find_idev+0x102/0x170 [ 4058.819051][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4058.819051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.819051][ T10] netlink_rcv_skb+0x130/0x360 [ 4058.819051][ T10] netlink_unicast+0x449/0x710 [ 4058.819051][ T10] netlink_sendmsg+0x723/0xbe0 [ 4058.819051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4058.819051][ T10] ___sys_sendmsg+0xee/0x170 [ 4058.819051][ T10] __sys_sendmsg+0xcd/0x170 [ 4058.819051][ T10] do_syscall_64+0xc6/0x1e0 [ 4058.819051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.819051][ T10] [ 4058.820727][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4058.820975][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4058.820975][ T10] netdev_get_by_index+0x5e/0x80 [ 4058.820975][ T10] fib6_nh_init+0x3d8/0x1580 [ 4058.820975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4058.820975][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4058.820975][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4058.820975][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4058.820975][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4058.820975][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4058.820975][ T10] addrconf_dad_begin+0x310/0x670 [ 4058.820975][ T10] addrconf_dad_work+0x10b/0xab0 [ 4058.820975][ T10] process_one_work+0x84d/0x18a0 [ 4058.820975][ T10] worker_thread+0x587/0xd30 [ 4058.820975][ T10] kthread+0x28a/0x350 [ 4058.820975][ T10] ret_from_fork+0x31/0x70 [ 4058.820975][ T10] ret_from_fork_asm+0x1a/0x30 [ 4058.820975][ T10] [ 4058.822874][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4058.822874][ T10] netdev_get_by_index+0x5e/0x80 [ 4058.822874][ T10] fib6_nh_init+0x3d8/0x1580 [ 4058.822874][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4058.822874][ T10] ip6_route_add+0x1c/0x140 [ 4058.822874][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4058.822874][ T10] inet6_addr_add+0x4f8/0xa40 [ 4058.822874][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4058.822874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.822874][ T10] netlink_rcv_skb+0x130/0x360 [ 4058.822874][ T10] netlink_unicast+0x449/0x710 [ 4058.822874][ T10] netlink_sendmsg+0x723/0xbe0 [ 4058.822874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4058.822874][ T10] ___sys_sendmsg+0xee/0x170 [ 4058.822874][ T10] __sys_sendmsg+0xcd/0x170 [ 4058.822874][ T10] do_syscall_64+0xc6/0x1e0 [ 4058.822874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.822874][ T10] [ 4058.824859][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4058.824859][ T10] netdev_get_by_index+0x5e/0x80 [ 4058.824859][ T10] fib6_nh_init+0x3d8/0x1580 [ 4058.824859][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4058.824859][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4058.824859][ T10] ipv6_add_addr+0x411/0x2000 [ 4058.824859][ T10] inet6_addr_add+0x30e/0xa40 [ 4058.824859][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4058.824859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.824859][ T10] netlink_rcv_skb+0x130/0x360 [ 4058.824859][ T10] netlink_unicast+0x449/0x710 [ 4058.824859][ T10] netlink_sendmsg+0x723/0xbe0 [ 4058.824859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4058.824859][ T10] ___sys_sendmsg+0xee/0x170 [ 4058.824859][ T10] __sys_sendmsg+0xcd/0x170 [ 4058.824859][ T10] do_syscall_64+0xc6/0x1e0 [ 4058.824859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.824859][ T10] [ 4058.826897][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4058.826897][ T10] netdev_get_by_index+0x5e/0x80 [ 4058.826897][ T10] fib6_nh_init+0x3d8/0x1580 [ 4058.826897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4058.826897][ T10] ip6_route_add+0x1c/0x140 [ 4058.826897][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4058.826897][ T10] addrconf_add_dev+0xe2/0x170 [ 4058.826897][ T10] inet6_addr_add+0x12f/0xa40 [ 4058.826897][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4058.826897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.826897][ T10] netlink_rcv_skb+0x130/0x360 [ 4058.826897][ T10] netlink_unicast+0x449/0x710 [ 4058.826897][ T10] netlink_sendmsg+0x723/0xbe0 [ 4058.826897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4058.826897][ T10] ___sys_sendmsg+0xee/0x170 [ 4058.826897][ T10] __sys_sendmsg+0xcd/0x170 [ 4058.826897][ T10] do_syscall_64+0xc6/0x1e0 [ 4058.826897][ T10] [ 4058.828860][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4058.828860][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4058.828860][ T10] ipv6_find_idev+0x102/0x170 [ 4058.828860][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4058.828860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.828860][ T10] netlink_rcv_skb+0x130/0x360 [ 4058.828860][ T10] netlink_unicast+0x449/0x710 [ 4058.828860][ T10] netlink_sendmsg+0x723/0xbe0 [ 4058.828860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4058.828860][ T10] ___sys_sendmsg+0xee/0x170 [ 4058.828860][ T10] __sys_sendmsg+0xcd/0x170 [ 4058.828860][ T10] do_syscall_64+0xc6/0x1e0 [ 4058.828860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.828860][ T10] [ 4058.830393][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4058.830393][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4058.830393][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4058.830393][ T10] ipv6_find_idev+0x102/0x170 [ 4058.830393][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4058.830393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.830393][ T10] netlink_rcv_skb+0x130/0x360 [ 4058.830393][ T10] netlink_unicast+0x449/0x710 [ 4058.830393][ T10] netlink_sendmsg+0x723/0xbe0 [ 4058.830393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4058.830393][ T10] ___sys_sendmsg+0xee/0x170 [ 4058.830393][ T10] __sys_sendmsg+0xcd/0x170 [ 4058.830393][ T10] do_syscall_64+0xc6/0x1e0 [ 4058.830393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.830393][ T10] [ 4058.832086][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4058.832326][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4058.832326][ T10] netdev_get_by_index+0x5e/0x80 [ 4058.832326][ T10] fib6_nh_init+0x3d8/0x1580 [ 4058.832326][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4058.832326][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4058.832326][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4058.832326][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4058.832326][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4058.832326][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4058.832326][ T10] addrconf_dad_begin+0x310/0x670 [ 4058.832326][ T10] addrconf_dad_work+0x10b/0xab0 [ 4058.832326][ T10] process_one_work+0x84d/0x18a0 [ 4058.832326][ T10] worker_thread+0x587/0xd30 [ 4058.832326][ T10] kthread+0x28a/0x350 [ 4058.832326][ T10] ret_from_fork+0x31/0x70 [ 4058.832326][ T10] ret_from_fork_asm+0x1a/0x30 [ 4058.832326][ T10] [ 4058.834225][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4058.834225][ T10] netdev_get_by_index+0x5e/0x80 [ 4058.834225][ T10] fib6_nh_init+0x3d8/0x1580 [ 4058.834225][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4058.834225][ T10] ip6_route_add+0x1c/0x140 [ 4058.834225][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4058.834225][ T10] inet6_addr_add+0x4f8/0xa40 [ 4058.834225][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4058.834225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.834225][ T10] netlink_rcv_skb+0x130/0x360 [ 4058.834225][ T10] netlink_unicast+0x449/0x710 [ 4058.834225][ T10] netlink_sendmsg+0x723/0xbe0 [ 4058.834225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4058.834225][ T10] ___sys_sendmsg+0xee/0x170 [ 4058.834225][ T10] __sys_sendmsg+0xcd/0x170 [ 4058.834225][ T10] do_syscall_64+0xc6/0x1e0 [ 4058.834225][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.834225][ T10] [ 4058.836344][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4058.836344][ T10] netdev_get_by_index+0x5e/0x80 [ 4058.836344][ T10] fib6_nh_init+0x3d8/0x1580 [ 4058.836344][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4058.836344][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4058.836344][ T10] ipv6_add_addr+0x411/0x2000 [ 4058.836344][ T10] inet6_addr_add+0x30e/0xa40 [ 4058.836344][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4058.836344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.836344][ T10] netlink_rcv_skb+0x130/0x360 [ 4058.836344][ T10] netlink_unicast+0x449/0x710 [ 4058.836344][ T10] netlink_sendmsg+0x723/0xbe0 [ 4058.836344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4058.836344][ T10] ___sys_sendmsg+0xee/0x170 [ 4058.836344][ T10] __sys_sendmsg+0xcd/0x170 [ 4058.836344][ T10] do_syscall_64+0xc6/0x1e0 [ 4058.836344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.836344][ T10] [ 4058.838460][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4058.838460][ T10] netdev_get_by_index+0x5e/0x80 [ 4058.838460][ T10] fib6_nh_init+0x3d8/0x1580 [ 4058.838460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4058.838460][ T10] ip6_route_add+0x1c/0x140 [ 4058.838460][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4058.838460][ T10] addrconf_add_dev+0xe2/0x170 [ 4058.838460][ T10] inet6_addr_add+0x12f/0xa40 [ 4058.838460][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4058.838460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.838460][ T10] netlink_rcv_skb+0x130/0x360 [ 4058.838460][ T10] netlink_unicast+0x449/0x710 [ 4058.838460][ T10] netlink_sendmsg+0x723/0xbe0 [ 4058.838460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4058.838460][ T10] ___sys_sendmsg+0xee/0x170 [ 4058.838460][ T10] __sys_sendmsg+0xcd/0x170 [ 4058.838460][ T10] do_syscall_64+0xc6/0x1e0 [ 4058.838460][ T10] [ 4058.840573][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4058.840573][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4058.840573][ T10] ipv6_find_idev+0x102/0x170 [ 4058.840573][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4058.840573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.840573][ T10] netlink_rcv_skb+0x130/0x360 [ 4058.840573][ T10] netlink_unicast+0x449/0x710 [ 4058.840573][ T10] netlink_sendmsg+0x723/0xbe0 [ 4058.840573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4058.840573][ T10] ___sys_sendmsg+0xee/0x170 [ 4058.840573][ T10] __sys_sendmsg+0xcd/0x170 [ 4058.840573][ T10] do_syscall_64+0xc6/0x1e0 [ 4058.840573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.840573][ T10] [ 4058.842164][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4058.842164][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4058.842164][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4058.842164][ T10] ipv6_find_idev+0x102/0x170 [ 4058.842164][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4058.842164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.842164][ T10] netlink_rcv_skb+0x130/0x360 [ 4058.842164][ T10] netlink_unicast+0x449/0x710 [ 4058.842164][ T10] netlink_sendmsg+0x723/0xbe0 [ 4058.842164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4058.842164][ T10] ___sys_sendmsg+0xee/0x170 [ 4058.842164][ T10] __sys_sendmsg+0xcd/0x170 [ 4058.842164][ T10] do_syscall_64+0xc6/0x1e0 [ 4058.842164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.842164][ T10] [ 4058.843976][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4058.844665][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4058.844665][ T10] netdev_get_by_index+0x5e/0x80 [ 4058.844665][ T10] fib6_nh_init+0x3d8/0x1580 [ 4058.844665][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4058.844665][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4058.844665][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4058.844665][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4058.844665][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4058.844665][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4058.844665][ T10] addrconf_dad_begin+0x310/0x670 [ 4058.844665][ T10] addrconf_dad_work+0x10b/0xab0 [ 4058.844665][ T10] process_one_work+0x84d/0x18a0 [ 4058.844665][ T10] worker_thread+0x587/0xd30 [ 4058.844665][ T10] kthread+0x28a/0x350 [ 4058.844665][ T10] ret_from_fork+0x31/0x70 [ 4058.844665][ T10] ret_from_fork_asm+0x1a/0x30 [ 4058.844665][ T10] [ 4058.846565][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4058.846565][ T10] netdev_get_by_index+0x5e/0x80 [ 4058.846565][ T10] fib6_nh_init+0x3d8/0x1580 [ 4058.846565][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4058.846565][ T10] ip6_route_add+0x1c/0x140 [ 4058.846565][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4058.846565][ T10] inet6_addr_add+0x4f8/0xa40 [ 4058.846565][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4058.846565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.846565][ T10] netlink_rcv_skb+0x130/0x360 [ 4058.846565][ T10] netlink_unicast+0x449/0x710 [ 4058.846565][ T10] netlink_sendmsg+0x723/0xbe0 [ 4058.846565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4058.846565][ T10] ___sys_sendmsg+0xee/0x170 [ 4058.846565][ T10] __sys_sendmsg+0xcd/0x170 [ 4058.846565][ T10] do_syscall_64+0xc6/0x1e0 [ 4058.846565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.846565][ T10] [ 4058.848627][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4058.848627][ T10] netdev_get_by_index+0x5e/0x80 [ 4058.848627][ T10] fib6_nh_init+0x3d8/0x1580 [ 4058.848627][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4058.848627][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4058.848627][ T10] ipv6_add_addr+0x411/0x2000 [ 4058.848627][ T10] inet6_addr_add+0x30e/0xa40 [ 4058.848627][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4058.848627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.848627][ T10] netlink_rcv_skb+0x130/0x360 [ 4058.848627][ T10] netlink_unicast+0x449/0x710 [ 4058.848627][ T10] netlink_sendmsg+0x723/0xbe0 [ 4058.848627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4058.848627][ T10] ___sys_sendmsg+0xee/0x170 [ 4058.848627][ T10] __sys_sendmsg+0xcd/0x170 [ 4058.848627][ T10] do_syscall_64+0xc6/0x1e0 [ 4058.848627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.848627][ T10] [ 4058.850783][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4058.850783][ T10] netdev_get_by_index+0x5e/0x80 [ 4058.850783][ T10] fib6_nh_init+0x3d8/0x1580 [ 4058.850783][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4058.850783][ T10] ip6_route_add+0x1c/0x140 [ 4058.850783][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4058.850783][ T10] addrconf_add_dev+0xe2/0x170 [ 4058.850783][ T10] inet6_addr_add+0x12f/0xa40 [ 4058.850783][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4058.850783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.850783][ T10] netlink_rcv_skb+0x130/0x360 [ 4058.850783][ T10] netlink_unicast+0x449/0x710 [ 4058.850783][ T10] netlink_sendmsg+0x723/0xbe0 [ 4058.850783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4058.850783][ T10] ___sys_sendmsg+0xee/0x170 [ 4058.850783][ T10] __sys_sendmsg+0xcd/0x170 [ 4058.850783][ T10] do_syscall_64+0xc6/0x1e0 [ 4058.850783][ T10] [ 4058.852872][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4058.852872][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4058.852872][ T10] ipv6_find_idev+0x102/0x170 [ 4058.852872][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4058.852872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.852872][ T10] netlink_rcv_skb+0x130/0x360 [ 4058.852872][ T10] netlink_unicast+0x449/0x710 [ 4058.852872][ T10] netlink_sendmsg+0x723/0xbe0 [ 4058.852872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4058.852872][ T10] ___sys_sendmsg+0xee/0x170 [ 4058.852872][ T10] __sys_sendmsg+0xcd/0x170 [ 4058.852872][ T10] do_syscall_64+0xc6/0x1e0 [ 4058.852872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.852872][ T10] [ 4058.854466][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4058.854466][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4058.854466][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4058.854466][ T10] ipv6_find_idev+0x102/0x170 [ 4058.854466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4058.854466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.854466][ T10] netlink_rcv_skb+0x130/0x360 [ 4058.854466][ T10] netlink_unicast+0x449/0x710 [ 4058.854466][ T10] netlink_sendmsg+0x723/0xbe0 [ 4058.854466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4058.854466][ T10] ___sys_sendmsg+0xee/0x170 [ 4058.854466][ T10] __sys_sendmsg+0xcd/0x170 [ 4058.854466][ T10] do_syscall_64+0xc6/0x1e0 [ 4058.854466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.854466][ T10] [ 4066.041101][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4066.041527][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4066.041527][ T1167] dst_init+0x84/0x4a0 [ 4066.041527][ T1167] dst_alloc+0x97/0x150 [ 4066.041527][ T1167] ip6_dst_alloc+0x23/0x90 [ 4066.041527][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4066.041527][ T1167] ip6_pol_route+0x56f/0x840 [ 4066.041527][ T1167] fib6_rule_lookup+0x334/0x630 [ 4066.041527][ T1167] ip6_route_output_flags+0x259/0x480 [ 4066.041527][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4066.041527][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4066.041527][ T1167] netlink_rcv_skb+0x130/0x360 [ 4066.041527][ T1167] netlink_unicast+0x449/0x710 [ 4066.041527][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4066.041527][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4066.041527][ T1167] ___sys_sendmsg+0xee/0x170 [ 4066.041527][ T1167] __sys_sendmsg+0xcd/0x170 [ 4066.041527][ T1167] do_syscall_64+0xc6/0x1e0 [ 4066.041527][ T1167] [ 4066.044274][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4066.044274][ T1167] netdev_get_by_index+0x5e/0x80 [ 4066.044274][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4066.044274][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4066.044274][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4066.044274][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4066.044274][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4066.044274][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4066.044274][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4066.044274][ T1167] addrconf_dad_begin+0x310/0x670 [ 4066.044274][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4066.044274][ T1167] process_one_work+0x84d/0x18a0 [ 4066.044274][ T1167] worker_thread+0x587/0xd30 [ 4066.044274][ T1167] kthread+0x28a/0x350 [ 4066.044274][ T1167] ret_from_fork+0x31/0x70 [ 4066.044274][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4066.044274][ T1167] [ 4066.046417][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4066.046417][ T1167] netdev_get_by_index+0x5e/0x80 [ 4066.046417][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4066.046417][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4066.046417][ T1167] ip6_route_add+0x1c/0x140 [ 4066.046417][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4066.046417][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4066.046417][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4066.046417][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4066.046417][ T1167] netlink_rcv_skb+0x130/0x360 [ 4066.046417][ T1167] netlink_unicast+0x449/0x710 [ 4066.046417][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4066.046417][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4066.046417][ T1167] ___sys_sendmsg+0xee/0x170 [ 4066.046417][ T1167] __sys_sendmsg+0xcd/0x170 [ 4066.046417][ T1167] do_syscall_64+0xc6/0x1e0 [ 4066.046417][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4066.046417][ T1167] [ 4066.048676][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4066.048676][ T1167] netdev_get_by_index+0x5e/0x80 [ 4066.048676][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4066.048676][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4066.048676][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4066.048676][ T1167] ipv6_add_addr+0x411/0x2000 [ 4066.048676][ T1167] inet6_addr_add+0x30e/0xa40 [ 4066.048676][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4066.048676][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4066.048676][ T1167] netlink_rcv_skb+0x130/0x360 [ 4066.048676][ T1167] netlink_unicast+0x449/0x710 [ 4066.048676][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4066.048676][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4066.048676][ T1167] ___sys_sendmsg+0xee/0x170 [ 4066.048676][ T1167] __sys_sendmsg+0xcd/0x170 [ 4066.048676][ T1167] do_syscall_64+0xc6/0x1e0 [ 4066.048676][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4066.048676][ T1167] [ 4066.050919][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4066.050919][ T1167] netdev_get_by_index+0x5e/0x80 [ 4066.050919][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4066.050919][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4066.050919][ T1167] ip6_route_add+0x1c/0x140 [ 4066.050919][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4066.050919][ T1167] addrconf_add_dev+0xe2/0x170 [ 4066.050919][ T1167] inet6_addr_add+0x12f/0xa40 [ 4066.050919][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4066.050919][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4066.050919][ T1167] netlink_rcv_skb+0x130/0x360 [ 4066.050919][ T1167] netlink_unicast+0x449/0x710 [ 4066.050919][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4066.050919][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4066.050919][ T1167] ___sys_sendmsg+0xee/0x170 [ 4066.050919][ T1167] __sys_sendmsg+0xcd/0x170 [ 4066.050919][ T1167] do_syscall_64+0xc6/0x1e0 [ 4066.050919][ T1167] [ 4066.056489][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4066.056489][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4066.056489][ T1167] ipv6_find_idev+0x102/0x170 [ 4066.056489][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4066.056489][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4066.056489][ T1167] netlink_rcv_skb+0x130/0x360 [ 4066.056489][ T1167] netlink_unicast+0x449/0x710 [ 4066.056489][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4066.056489][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4066.056489][ T1167] ___sys_sendmsg+0xee/0x170 [ 4066.056489][ T1167] __sys_sendmsg+0xcd/0x170 [ 4066.056489][ T1167] do_syscall_64+0xc6/0x1e0 [ 4066.056489][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4066.056489][ T1167] [ 4066.058214][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4066.058214][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4066.058214][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4066.058214][ T1167] ipv6_find_idev+0x102/0x170 [ 4066.058214][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4066.058214][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4066.058214][ T1167] netlink_rcv_skb+0x130/0x360 [ 4066.058214][ T1167] netlink_unicast+0x449/0x710 [ 4066.058214][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4066.058214][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4066.058214][ T1167] ___sys_sendmsg+0xee/0x170 [ 4066.058214][ T1167] __sys_sendmsg+0xcd/0x170 [ 4066.058214][ T1167] do_syscall_64+0xc6/0x1e0 [ 4066.058214][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4066.058214][ T1167] [ 4069.097096][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4069.097539][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4069.097539][ T10] netdev_get_by_index+0x5e/0x80 [ 4069.097539][ T10] fib6_nh_init+0x3d8/0x1580 [ 4069.097539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4069.097539][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4069.097539][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4069.097539][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4069.097539][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4069.097539][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4069.097539][ T10] addrconf_dad_begin+0x310/0x670 [ 4069.097539][ T10] addrconf_dad_work+0x10b/0xab0 [ 4069.097539][ T10] process_one_work+0x84d/0x18a0 [ 4069.097539][ T10] worker_thread+0x587/0xd30 [ 4069.097539][ T10] kthread+0x28a/0x350 [ 4069.097539][ T10] ret_from_fork+0x31/0x70 [ 4069.097539][ T10] ret_from_fork_asm+0x1a/0x30 [ 4069.097539][ T10] [ 4069.099615][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4069.099615][ T10] netdev_get_by_index+0x5e/0x80 [ 4069.099615][ T10] fib6_nh_init+0x3d8/0x1580 [ 4069.099615][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4069.099615][ T10] ip6_route_add+0x1c/0x140 [ 4069.099615][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4069.099615][ T10] inet6_addr_add+0x4f8/0xa40 [ 4069.099615][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4069.099615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.099615][ T10] netlink_rcv_skb+0x130/0x360 [ 4069.099615][ T10] netlink_unicast+0x449/0x710 [ 4069.099615][ T10] netlink_sendmsg+0x723/0xbe0 [ 4069.099615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4069.099615][ T10] ___sys_sendmsg+0xee/0x170 [ 4069.099615][ T10] __sys_sendmsg+0xcd/0x170 [ 4069.099615][ T10] do_syscall_64+0xc6/0x1e0 [ 4069.099615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4069.099615][ T10] [ 4069.101745][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4069.101745][ T10] netdev_get_by_index+0x5e/0x80 [ 4069.101745][ T10] fib6_nh_init+0x3d8/0x1580 [ 4069.101745][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4069.101745][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4069.101745][ T10] ipv6_add_addr+0x411/0x2000 [ 4069.101745][ T10] inet6_addr_add+0x30e/0xa40 [ 4069.101745][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4069.101745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.101745][ T10] netlink_rcv_skb+0x130/0x360 [ 4069.101745][ T10] netlink_unicast+0x449/0x710 [ 4069.101745][ T10] netlink_sendmsg+0x723/0xbe0 [ 4069.101745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4069.101745][ T10] ___sys_sendmsg+0xee/0x170 [ 4069.101745][ T10] __sys_sendmsg+0xcd/0x170 [ 4069.101745][ T10] do_syscall_64+0xc6/0x1e0 [ 4069.101745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4069.101745][ T10] [ 4069.107023][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4069.107023][ T10] netdev_get_by_index+0x5e/0x80 [ 4069.107023][ T10] fib6_nh_init+0x3d8/0x1580 [ 4069.107023][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4069.107023][ T10] ip6_route_add+0x1c/0x140 [ 4069.107023][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4069.107023][ T10] addrconf_add_dev+0xe2/0x170 [ 4069.107023][ T10] inet6_addr_add+0x12f/0xa40 [ 4069.107023][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4069.107023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.107023][ T10] netlink_rcv_skb+0x130/0x360 [ 4069.107023][ T10] netlink_unicast+0x449/0x710 [ 4069.107023][ T10] netlink_sendmsg+0x723/0xbe0 [ 4069.107023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4069.107023][ T10] ___sys_sendmsg+0xee/0x170 [ 4069.107023][ T10] __sys_sendmsg+0xcd/0x170 [ 4069.107023][ T10] do_syscall_64+0xc6/0x1e0 [ 4069.107023][ T10] [ 4069.109127][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4069.109127][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4069.109127][ T10] ipv6_find_idev+0x102/0x170 [ 4069.109127][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4069.109127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.109127][ T10] netlink_rcv_skb+0x130/0x360 [ 4069.109127][ T10] netlink_unicast+0x449/0x710 [ 4069.109127][ T10] netlink_sendmsg+0x723/0xbe0 [ 4069.109127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4069.109127][ T10] ___sys_sendmsg+0xee/0x170 [ 4069.109127][ T10] __sys_sendmsg+0xcd/0x170 [ 4069.109127][ T10] do_syscall_64+0xc6/0x1e0 [ 4069.109127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4069.109127][ T10] [ 4069.110767][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4069.110767][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4069.110767][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4069.110767][ T10] ipv6_find_idev+0x102/0x170 [ 4069.110767][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4069.110767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.110767][ T10] netlink_rcv_skb+0x130/0x360 [ 4069.110767][ T10] netlink_unicast+0x449/0x710 [ 4069.110767][ T10] netlink_sendmsg+0x723/0xbe0 [ 4069.110767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4069.110767][ T10] ___sys_sendmsg+0xee/0x170 [ 4069.110767][ T10] __sys_sendmsg+0xcd/0x170 [ 4069.110767][ T10] do_syscall_64+0xc6/0x1e0 [ 4069.110767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4069.110767][ T10] [ 4069.112583][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4069.112843][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4069.112843][ T10] netdev_get_by_index+0x5e/0x80 [ 4069.112843][ T10] fib6_nh_init+0x3d8/0x1580 [ 4069.112843][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4069.112843][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4069.112843][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4069.112843][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4069.112843][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4069.112843][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4069.112843][ T10] addrconf_dad_begin+0x310/0x670 [ 4069.112843][ T10] addrconf_dad_work+0x10b/0xab0 [ 4069.112843][ T10] process_one_work+0x84d/0x18a0 [ 4069.112843][ T10] worker_thread+0x587/0xd30 [ 4069.112843][ T10] kthread+0x28a/0x350 [ 4069.112843][ T10] ret_from_fork+0x31/0x70 [ 4069.112843][ T10] ret_from_fork_asm+0x1a/0x30 [ 4069.112843][ T10] [ 4069.114908][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4069.114908][ T10] netdev_get_by_index+0x5e/0x80 [ 4069.114908][ T10] fib6_nh_init+0x3d8/0x1580 [ 4069.114908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4069.114908][ T10] ip6_route_add+0x1c/0x140 [ 4069.114908][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4069.114908][ T10] inet6_addr_add+0x4f8/0xa40 [ 4069.114908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4069.114908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.114908][ T10] netlink_rcv_skb+0x130/0x360 [ 4069.114908][ T10] netlink_unicast+0x449/0x710 [ 4069.114908][ T10] netlink_sendmsg+0x723/0xbe0 [ 4069.114908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4069.114908][ T10] ___sys_sendmsg+0xee/0x170 [ 4069.114908][ T10] __sys_sendmsg+0xcd/0x170 [ 4069.114908][ T10] do_syscall_64+0xc6/0x1e0 [ 4069.114908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4069.114908][ T10] [ 4069.117017][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4069.117017][ T10] netdev_get_by_index+0x5e/0x80 [ 4069.117017][ T10] fib6_nh_init+0x3d8/0x1580 [ 4069.117017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4069.117017][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4069.117017][ T10] ipv6_add_addr+0x411/0x2000 [ 4069.117017][ T10] inet6_addr_add+0x30e/0xa40 [ 4069.117017][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4069.117017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.117017][ T10] netlink_rcv_skb+0x130/0x360 [ 4069.117017][ T10] netlink_unicast+0x449/0x710 [ 4069.117017][ T10] netlink_sendmsg+0x723/0xbe0 [ 4069.117017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4069.117017][ T10] ___sys_sendmsg+0xee/0x170 [ 4069.117017][ T10] __sys_sendmsg+0xcd/0x170 [ 4069.117017][ T10] do_syscall_64+0xc6/0x1e0 [ 4069.117017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4069.117017][ T10] [ 4069.119166][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4069.119166][ T10] netdev_get_by_index+0x5e/0x80 [ 4069.119166][ T10] fib6_nh_init+0x3d8/0x1580 [ 4069.119166][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4069.119166][ T10] ip6_route_add+0x1c/0x140 [ 4069.119166][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4069.119166][ T10] addrconf_add_dev+0xe2/0x170 [ 4069.119166][ T10] inet6_addr_add+0x12f/0xa40 [ 4069.119166][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4069.119166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.119166][ T10] netlink_rcv_skb+0x130/0x360 [ 4069.119166][ T10] netlink_unicast+0x449/0x710 [ 4069.119166][ T10] netlink_sendmsg+0x723/0xbe0 [ 4069.119166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4069.119166][ T10] ___sys_sendmsg+0xee/0x170 [ 4069.119166][ T10] __sys_sendmsg+0xcd/0x170 [ 4069.119166][ T10] do_syscall_64+0xc6/0x1e0 [ 4069.119166][ T10] [ 4069.121228][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4069.121228][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4069.121228][ T10] ipv6_find_idev+0x102/0x170 [ 4069.121228][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4069.121228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.121228][ T10] netlink_rcv_skb+0x130/0x360 [ 4069.121228][ T10] netlink_unicast+0x449/0x710 [ 4069.121228][ T10] netlink_sendmsg+0x723/0xbe0 [ 4069.121228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4069.121228][ T10] ___sys_sendmsg+0xee/0x170 [ 4069.121228][ T10] __sys_sendmsg+0xcd/0x170 [ 4069.121228][ T10] do_syscall_64+0xc6/0x1e0 [ 4069.121228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4069.121228][ T10] [ 4069.122841][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4069.122841][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4069.122841][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4069.122841][ T10] ipv6_find_idev+0x102/0x170 [ 4069.122841][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4069.122841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.122841][ T10] netlink_rcv_skb+0x130/0x360 [ 4069.122841][ T10] netlink_unicast+0x449/0x710 [ 4069.122841][ T10] netlink_sendmsg+0x723/0xbe0 [ 4069.122841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4069.122841][ T10] ___sys_sendmsg+0xee/0x170 [ 4069.122841][ T10] __sys_sendmsg+0xcd/0x170 [ 4069.122841][ T10] do_syscall_64+0xc6/0x1e0 [ 4069.122841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4069.122841][ T10] [ 4069.124546][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4069.124793][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4069.124793][ T10] netdev_get_by_index+0x5e/0x80 [ 4069.124793][ T10] fib6_nh_init+0x3d8/0x1580 [ 4069.124793][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4069.124793][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4069.124793][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4069.124793][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4069.124793][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4069.124793][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4069.124793][ T10] addrconf_dad_begin+0x310/0x670 [ 4069.124793][ T10] addrconf_dad_work+0x10b/0xab0 [ 4069.124793][ T10] process_one_work+0x84d/0x18a0 [ 4069.124793][ T10] worker_thread+0x587/0xd30 [ 4069.124793][ T10] kthread+0x28a/0x350 [ 4069.124793][ T10] ret_from_fork+0x31/0x70 [ 4069.124793][ T10] ret_from_fork_asm+0x1a/0x30 [ 4069.124793][ T10] [ 4069.126709][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4069.126709][ T10] netdev_get_by_index+0x5e/0x80 [ 4069.126709][ T10] fib6_nh_init+0x3d8/0x1580 [ 4069.126709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4069.126709][ T10] ip6_route_add+0x1c/0x140 [ 4069.126709][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4069.126709][ T10] inet6_addr_add+0x4f8/0xa40 [ 4069.126709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4069.126709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.126709][ T10] netlink_rcv_skb+0x130/0x360 [ 4069.126709][ T10] netlink_unicast+0x449/0x710 [ 4069.126709][ T10] netlink_sendmsg+0x723/0xbe0 [ 4069.126709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4069.126709][ T10] ___sys_sendmsg+0xee/0x170 [ 4069.126709][ T10] __sys_sendmsg+0xcd/0x170 [ 4069.126709][ T10] do_syscall_64+0xc6/0x1e0 [ 4069.126709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4069.126709][ T10] [ 4069.128933][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4069.128933][ T10] netdev_get_by_index+0x5e/0x80 [ 4069.128933][ T10] fib6_nh_init+0x3d8/0x1580 [ 4069.128933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4069.128933][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4069.128933][ T10] ipv6_add_addr+0x411/0x2000 [ 4069.128933][ T10] inet6_addr_add+0x30e/0xa40 [ 4069.128933][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4069.128933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.128933][ T10] netlink_rcv_skb+0x130/0x360 [ 4069.128933][ T10] netlink_unicast+0x449/0x710 [ 4069.128933][ T10] netlink_sendmsg+0x723/0xbe0 [ 4069.128933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4069.128933][ T10] ___sys_sendmsg+0xee/0x170 [ 4069.128933][ T10] __sys_sendmsg+0xcd/0x170 [ 4069.128933][ T10] do_syscall_64+0xc6/0x1e0 [ 4069.128933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4069.128933][ T10] [ 4069.131396][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4069.131396][ T10] netdev_get_by_index+0x5e/0x80 [ 4069.131396][ T10] fib6_nh_init+0x3d8/0x1580 [ 4069.131396][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4069.131396][ T10] ip6_route_add+0x1c/0x140 [ 4069.131396][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4069.131396][ T10] addrconf_add_dev+0xe2/0x170 [ 4069.131396][ T10] inet6_addr_add+0x12f/0xa40 [ 4069.131396][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4069.131396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.131396][ T10] netlink_rcv_skb+0x130/0x360 [ 4069.131396][ T10] netlink_unicast+0x449/0x710 [ 4069.131396][ T10] netlink_sendmsg+0x723/0xbe0 [ 4069.131396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4069.131396][ T10] ___sys_sendmsg+0xee/0x170 [ 4069.131396][ T10] __sys_sendmsg+0xcd/0x170 [ 4069.131396][ T10] do_syscall_64+0xc6/0x1e0 [ 4069.131396][ T10] [ 4069.133767][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4069.133767][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4069.133767][ T10] ipv6_find_idev+0x102/0x170 [ 4069.133767][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4069.133767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.133767][ T10] netlink_rcv_skb+0x130/0x360 [ 4069.133767][ T10] netlink_unicast+0x449/0x710 [ 4069.133767][ T10] netlink_sendmsg+0x723/0xbe0 [ 4069.133767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4069.133767][ T10] ___sys_sendmsg+0xee/0x170 [ 4069.133767][ T10] __sys_sendmsg+0xcd/0x170 [ 4069.133767][ T10] do_syscall_64+0xc6/0x1e0 [ 4069.133767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4069.133767][ T10] [ 4069.135588][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4069.135588][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4069.135588][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4069.135588][ T10] ipv6_find_idev+0x102/0x170 [ 4069.135588][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4069.135588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.135588][ T10] netlink_rcv_skb+0x130/0x360 [ 4069.135588][ T10] netlink_unicast+0x449/0x710 [ 4069.135588][ T10] netlink_sendmsg+0x723/0xbe0 [ 4069.135588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4069.135588][ T10] ___sys_sendmsg+0xee/0x170 [ 4069.135588][ T10] __sys_sendmsg+0xcd/0x170 [ 4069.135588][ T10] do_syscall_64+0xc6/0x1e0 [ 4069.135588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4069.135588][ T10] [ 4069.137579][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4069.137851][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4069.137851][ T10] netdev_get_by_index+0x5e/0x80 [ 4069.137851][ T10] fib6_nh_init+0x3d8/0x1580 [ 4069.137851][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4069.137851][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4069.137851][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4069.137851][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4069.137851][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4069.137851][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4069.137851][ T10] addrconf_dad_begin+0x310/0x670 [ 4069.137851][ T10] addrconf_dad_work+0x10b/0xab0 [ 4069.137851][ T10] process_one_work+0x84d/0x18a0 [ 4069.137851][ T10] worker_thread+0x587/0xd30 [ 4069.137851][ T10] kthread+0x28a/0x350 [ 4069.137851][ T10] ret_from_fork+0x31/0x70 [ 4069.137851][ T10] ret_from_fork_asm+0x1a/0x30 [ 4069.137851][ T10] [ 4069.140135][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4069.140135][ T10] netdev_get_by_index+0x5e/0x80 [ 4069.140135][ T10] fib6_nh_init+0x3d8/0x1580 [ 4069.140135][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4069.140135][ T10] ip6_route_add+0x1c/0x140 [ 4069.140135][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4069.140135][ T10] inet6_addr_add+0x4f8/0xa40 [ 4069.140135][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4069.140135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.140135][ T10] netlink_rcv_skb+0x130/0x360 [ 4069.140135][ T10] netlink_unicast+0x449/0x710 [ 4069.140135][ T10] netlink_sendmsg+0x723/0xbe0 [ 4069.140135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4069.140135][ T10] ___sys_sendmsg+0xee/0x170 [ 4069.140135][ T10] __sys_sendmsg+0xcd/0x170 [ 4069.140135][ T10] do_syscall_64+0xc6/0x1e0 [ 4069.140135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4069.140135][ T10] [ 4069.142380][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4069.142380][ T10] netdev_get_by_index+0x5e/0x80 [ 4069.142380][ T10] fib6_nh_init+0x3d8/0x1580 [ 4069.142380][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4069.142380][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4069.142380][ T10] ipv6_add_addr+0x411/0x2000 [ 4069.142380][ T10] inet6_addr_add+0x30e/0xa40 [ 4069.142380][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4069.142380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.142380][ T10] netlink_rcv_skb+0x130/0x360 [ 4069.142380][ T10] netlink_unicast+0x449/0x710 [ 4069.142380][ T10] netlink_sendmsg+0x723/0xbe0 [ 4069.142380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4069.142380][ T10] ___sys_sendmsg+0xee/0x170 [ 4069.142380][ T10] __sys_sendmsg+0xcd/0x170 [ 4069.142380][ T10] do_syscall_64+0xc6/0x1e0 [ 4069.142380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4069.142380][ T10] [ 4069.144554][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4069.144554][ T10] netdev_get_by_index+0x5e/0x80 [ 4069.144554][ T10] fib6_nh_init+0x3d8/0x1580 [ 4069.144554][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4069.144554][ T10] ip6_route_add+0x1c/0x140 [ 4069.144554][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4069.144554][ T10] addrconf_add_dev+0xe2/0x170 [ 4069.144554][ T10] inet6_addr_add+0x12f/0xa40 [ 4069.144554][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4069.144554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.144554][ T10] netlink_rcv_skb+0x130/0x360 [ 4069.144554][ T10] netlink_unicast+0x449/0x710 [ 4069.144554][ T10] netlink_sendmsg+0x723/0xbe0 [ 4069.144554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4069.144554][ T10] ___sys_sendmsg+0xee/0x170 [ 4069.144554][ T10] __sys_sendmsg+0xcd/0x170 [ 4069.144554][ T10] do_syscall_64+0xc6/0x1e0 [ 4069.144554][ T10] [ 4069.146764][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4069.146764][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4069.146764][ T10] ipv6_find_idev+0x102/0x170 [ 4069.146764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4069.146764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.146764][ T10] netlink_rcv_skb+0x130/0x360 [ 4069.146764][ T10] netlink_unicast+0x449/0x710 [ 4069.146764][ T10] netlink_sendmsg+0x723/0xbe0 [ 4069.146764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4069.146764][ T10] ___sys_sendmsg+0xee/0x170 [ 4069.146764][ T10] __sys_sendmsg+0xcd/0x170 [ 4069.146764][ T10] do_syscall_64+0xc6/0x1e0 [ 4069.146764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4069.146764][ T10] [ 4069.148486][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4069.148486][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4069.148486][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4069.148486][ T10] ipv6_find_idev+0x102/0x170 [ 4069.148486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4069.148486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.148486][ T10] netlink_rcv_skb+0x130/0x360 [ 4069.148486][ T10] netlink_unicast+0x449/0x710 [ 4069.148486][ T10] netlink_sendmsg+0x723/0xbe0 [ 4069.148486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4069.148486][ T10] ___sys_sendmsg+0xee/0x170 [ 4069.148486][ T10] __sys_sendmsg+0xcd/0x170 [ 4069.148486][ T10] do_syscall_64+0xc6/0x1e0 [ 4069.148486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4069.148486][ T10] [ 4076.073109][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4076.073584][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4076.073584][ T1167] dst_init+0x84/0x4a0 [ 4076.073584][ T1167] dst_alloc+0x97/0x150 [ 4076.073584][ T1167] ip6_dst_alloc+0x23/0x90 [ 4076.073584][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4076.073584][ T1167] ip6_pol_route+0x56f/0x840 [ 4076.073584][ T1167] fib6_rule_lookup+0x334/0x630 [ 4076.073584][ T1167] ip6_route_output_flags+0x259/0x480 [ 4076.073584][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4076.073584][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4076.073584][ T1167] netlink_rcv_skb+0x130/0x360 [ 4076.073584][ T1167] netlink_unicast+0x449/0x710 [ 4076.073584][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4076.073584][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4076.073584][ T1167] ___sys_sendmsg+0xee/0x170 [ 4076.073584][ T1167] __sys_sendmsg+0xcd/0x170 [ 4076.073584][ T1167] do_syscall_64+0xc6/0x1e0 [ 4076.073584][ T1167] [ 4076.075803][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4076.075803][ T1167] netdev_get_by_index+0x5e/0x80 [ 4076.075803][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4076.075803][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4076.075803][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4076.075803][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4076.075803][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4076.075803][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4076.075803][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4076.075803][ T1167] addrconf_dad_begin+0x310/0x670 [ 4076.075803][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4076.075803][ T1167] process_one_work+0x84d/0x18a0 [ 4076.075803][ T1167] worker_thread+0x587/0xd30 [ 4076.075803][ T1167] kthread+0x28a/0x350 [ 4076.075803][ T1167] ret_from_fork+0x31/0x70 [ 4076.075803][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4076.075803][ T1167] [ 4076.077940][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4076.077940][ T1167] netdev_get_by_index+0x5e/0x80 [ 4076.077940][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4076.077940][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4076.077940][ T1167] ip6_route_add+0x1c/0x140 [ 4076.077940][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4076.077940][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4076.077940][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4076.077940][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4076.077940][ T1167] netlink_rcv_skb+0x130/0x360 [ 4076.077940][ T1167] netlink_unicast+0x449/0x710 [ 4076.077940][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4076.077940][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4076.077940][ T1167] ___sys_sendmsg+0xee/0x170 [ 4076.077940][ T1167] __sys_sendmsg+0xcd/0x170 [ 4076.077940][ T1167] do_syscall_64+0xc6/0x1e0 [ 4076.077940][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4076.077940][ T1167] [ 4076.080186][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4076.080186][ T1167] netdev_get_by_index+0x5e/0x80 [ 4076.080186][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4076.080186][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4076.080186][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4076.080186][ T1167] ipv6_add_addr+0x411/0x2000 [ 4076.080186][ T1167] inet6_addr_add+0x30e/0xa40 [ 4076.080186][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4076.080186][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4076.080186][ T1167] netlink_rcv_skb+0x130/0x360 [ 4076.080186][ T1167] netlink_unicast+0x449/0x710 [ 4076.080186][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4076.080186][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4076.080186][ T1167] ___sys_sendmsg+0xee/0x170 [ 4076.080186][ T1167] __sys_sendmsg+0xcd/0x170 [ 4076.080186][ T1167] do_syscall_64+0xc6/0x1e0 [ 4076.080186][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4076.080186][ T1167] [ 4076.082417][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4076.082417][ T1167] netdev_get_by_index+0x5e/0x80 [ 4076.082417][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4076.082417][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4076.082417][ T1167] ip6_route_add+0x1c/0x140 [ 4076.082417][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4076.082417][ T1167] addrconf_add_dev+0xe2/0x170 [ 4076.082417][ T1167] inet6_addr_add+0x12f/0xa40 [ 4076.082417][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4076.082417][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4076.082417][ T1167] netlink_rcv_skb+0x130/0x360 [ 4076.082417][ T1167] netlink_unicast+0x449/0x710 [ 4076.082417][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4076.082417][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4076.082417][ T1167] ___sys_sendmsg+0xee/0x170 [ 4076.082417][ T1167] __sys_sendmsg+0xcd/0x170 [ 4076.082417][ T1167] do_syscall_64+0xc6/0x1e0 [ 4076.082417][ T1167] [ 4076.084635][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4076.084635][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4076.084635][ T1167] ipv6_find_idev+0x102/0x170 [ 4076.084635][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4076.084635][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4076.084635][ T1167] netlink_rcv_skb+0x130/0x360 [ 4076.084635][ T1167] netlink_unicast+0x449/0x710 [ 4076.084635][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4076.084635][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4076.084635][ T1167] ___sys_sendmsg+0xee/0x170 [ 4076.084635][ T1167] __sys_sendmsg+0xcd/0x170 [ 4076.084635][ T1167] do_syscall_64+0xc6/0x1e0 [ 4076.084635][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4076.084635][ T1167] [ 4076.086356][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4076.086356][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4076.086356][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4076.086356][ T1167] ipv6_find_idev+0x102/0x170 [ 4076.086356][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4076.086356][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4076.086356][ T1167] netlink_rcv_skb+0x130/0x360 [ 4076.086356][ T1167] netlink_unicast+0x449/0x710 [ 4076.086356][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4076.086356][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4076.086356][ T1167] ___sys_sendmsg+0xee/0x170 [ 4076.086356][ T1167] __sys_sendmsg+0xcd/0x170 [ 4076.086356][ T1167] do_syscall_64+0xc6/0x1e0 [ 4076.086356][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4076.086356][ T1167] [ 4079.393105][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4079.393479][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4079.393479][ T10] netdev_get_by_index+0x5e/0x80 [ 4079.393479][ T10] fib6_nh_init+0x3d8/0x1580 [ 4079.393479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4079.393479][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4079.393479][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4079.393479][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4079.393479][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4079.393479][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4079.393479][ T10] addrconf_dad_begin+0x310/0x670 [ 4079.393479][ T10] addrconf_dad_work+0x10b/0xab0 [ 4079.393479][ T10] process_one_work+0x84d/0x18a0 [ 4079.393479][ T10] worker_thread+0x587/0xd30 [ 4079.393479][ T10] kthread+0x28a/0x350 [ 4079.393479][ T10] ret_from_fork+0x31/0x70 [ 4079.393479][ T10] ret_from_fork_asm+0x1a/0x30 [ 4079.393479][ T10] [ 4079.395400][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4079.395400][ T10] netdev_get_by_index+0x5e/0x80 [ 4079.395400][ T10] fib6_nh_init+0x3d8/0x1580 [ 4079.395400][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4079.395400][ T10] ip6_route_add+0x1c/0x140 [ 4079.395400][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4079.395400][ T10] inet6_addr_add+0x4f8/0xa40 [ 4079.395400][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4079.395400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.395400][ T10] netlink_rcv_skb+0x130/0x360 [ 4079.395400][ T10] netlink_unicast+0x449/0x710 [ 4079.395400][ T10] netlink_sendmsg+0x723/0xbe0 [ 4079.395400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4079.395400][ T10] ___sys_sendmsg+0xee/0x170 [ 4079.395400][ T10] __sys_sendmsg+0xcd/0x170 [ 4079.395400][ T10] do_syscall_64+0xc6/0x1e0 [ 4079.395400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4079.395400][ T10] [ 4079.397392][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4079.397392][ T10] netdev_get_by_index+0x5e/0x80 [ 4079.397392][ T10] fib6_nh_init+0x3d8/0x1580 [ 4079.397392][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4079.397392][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4079.397392][ T10] ipv6_add_addr+0x411/0x2000 [ 4079.397392][ T10] inet6_addr_add+0x30e/0xa40 [ 4079.397392][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4079.397392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.397392][ T10] netlink_rcv_skb+0x130/0x360 [ 4079.397392][ T10] netlink_unicast+0x449/0x710 [ 4079.397392][ T10] netlink_sendmsg+0x723/0xbe0 [ 4079.397392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4079.397392][ T10] ___sys_sendmsg+0xee/0x170 [ 4079.397392][ T10] __sys_sendmsg+0xcd/0x170 [ 4079.397392][ T10] do_syscall_64+0xc6/0x1e0 [ 4079.397392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4079.397392][ T10] [ 4079.399423][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4079.399423][ T10] netdev_get_by_index+0x5e/0x80 [ 4079.399423][ T10] fib6_nh_init+0x3d8/0x1580 [ 4079.399423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4079.399423][ T10] ip6_route_add+0x1c/0x140 [ 4079.399423][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4079.399423][ T10] addrconf_add_dev+0xe2/0x170 [ 4079.399423][ T10] inet6_addr_add+0x12f/0xa40 [ 4079.399423][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4079.399423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.399423][ T10] netlink_rcv_skb+0x130/0x360 [ 4079.399423][ T10] netlink_unicast+0x449/0x710 [ 4079.399423][ T10] netlink_sendmsg+0x723/0xbe0 [ 4079.399423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4079.399423][ T10] ___sys_sendmsg+0xee/0x170 [ 4079.399423][ T10] __sys_sendmsg+0xcd/0x170 [ 4079.399423][ T10] do_syscall_64+0xc6/0x1e0 [ 4079.399423][ T10] [ 4079.401563][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4079.401563][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4079.401563][ T10] ipv6_find_idev+0x102/0x170 [ 4079.401563][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4079.401563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.401563][ T10] netlink_rcv_skb+0x130/0x360 [ 4079.401563][ T10] netlink_unicast+0x449/0x710 [ 4079.401563][ T10] netlink_sendmsg+0x723/0xbe0 [ 4079.401563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4079.401563][ T10] ___sys_sendmsg+0xee/0x170 [ 4079.401563][ T10] __sys_sendmsg+0xcd/0x170 [ 4079.401563][ T10] do_syscall_64+0xc6/0x1e0 [ 4079.401563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4079.401563][ T10] [ 4079.403171][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4079.403171][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4079.403171][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4079.403171][ T10] ipv6_find_idev+0x102/0x170 [ 4079.403171][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4079.403171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.403171][ T10] netlink_rcv_skb+0x130/0x360 [ 4079.403171][ T10] netlink_unicast+0x449/0x710 [ 4079.403171][ T10] netlink_sendmsg+0x723/0xbe0 [ 4079.403171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4079.403171][ T10] ___sys_sendmsg+0xee/0x170 [ 4079.403171][ T10] __sys_sendmsg+0xcd/0x170 [ 4079.403171][ T10] do_syscall_64+0xc6/0x1e0 [ 4079.403171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4079.403171][ T10] [ 4079.405038][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4079.405312][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4079.405312][ T10] netdev_get_by_index+0x5e/0x80 [ 4079.405312][ T10] fib6_nh_init+0x3d8/0x1580 [ 4079.405312][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4079.405312][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4079.405312][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4079.405312][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4079.405312][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4079.405312][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4079.405312][ T10] addrconf_dad_begin+0x310/0x670 [ 4079.405312][ T10] addrconf_dad_work+0x10b/0xab0 [ 4079.405312][ T10] process_one_work+0x84d/0x18a0 [ 4079.405312][ T10] worker_thread+0x587/0xd30 [ 4079.405312][ T10] kthread+0x28a/0x350 [ 4079.405312][ T10] ret_from_fork+0x31/0x70 [ 4079.405312][ T10] ret_from_fork_asm+0x1a/0x30 [ 4079.405312][ T10] [ 4079.407311][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4079.407311][ T10] netdev_get_by_index+0x5e/0x80 [ 4079.407311][ T10] fib6_nh_init+0x3d8/0x1580 [ 4079.407311][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4079.407311][ T10] ip6_route_add+0x1c/0x140 [ 4079.407311][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4079.407311][ T10] inet6_addr_add+0x4f8/0xa40 [ 4079.407311][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4079.407311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.407311][ T10] netlink_rcv_skb+0x130/0x360 [ 4079.407311][ T10] netlink_unicast+0x449/0x710 [ 4079.407311][ T10] netlink_sendmsg+0x723/0xbe0 [ 4079.407311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4079.407311][ T10] ___sys_sendmsg+0xee/0x170 [ 4079.407311][ T10] __sys_sendmsg+0xcd/0x170 [ 4079.407311][ T10] do_syscall_64+0xc6/0x1e0 [ 4079.407311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4079.407311][ T10] [ 4079.409465][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4079.409465][ T10] netdev_get_by_index+0x5e/0x80 [ 4079.409465][ T10] fib6_nh_init+0x3d8/0x1580 [ 4079.409465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4079.409465][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4079.409465][ T10] ipv6_add_addr+0x411/0x2000 [ 4079.409465][ T10] inet6_addr_add+0x30e/0xa40 [ 4079.409465][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4079.409465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.409465][ T10] netlink_rcv_skb+0x130/0x360 [ 4079.409465][ T10] netlink_unicast+0x449/0x710 [ 4079.409465][ T10] netlink_sendmsg+0x723/0xbe0 [ 4079.409465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4079.409465][ T10] ___sys_sendmsg+0xee/0x170 [ 4079.409465][ T10] __sys_sendmsg+0xcd/0x170 [ 4079.409465][ T10] do_syscall_64+0xc6/0x1e0 [ 4079.409465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4079.409465][ T10] [ 4079.411543][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4079.411543][ T10] netdev_get_by_index+0x5e/0x80 [ 4079.411543][ T10] fib6_nh_init+0x3d8/0x1580 [ 4079.411543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4079.411543][ T10] ip6_route_add+0x1c/0x140 [ 4079.411543][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4079.411543][ T10] addrconf_add_dev+0xe2/0x170 [ 4079.411543][ T10] inet6_addr_add+0x12f/0xa40 [ 4079.411543][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4079.411543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.411543][ T10] netlink_rcv_skb+0x130/0x360 [ 4079.411543][ T10] netlink_unicast+0x449/0x710 [ 4079.411543][ T10] netlink_sendmsg+0x723/0xbe0 [ 4079.411543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4079.411543][ T10] ___sys_sendmsg+0xee/0x170 [ 4079.411543][ T10] __sys_sendmsg+0xcd/0x170 [ 4079.411543][ T10] do_syscall_64+0xc6/0x1e0 [ 4079.411543][ T10] [ 4079.413641][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4079.413641][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4079.413641][ T10] ipv6_find_idev+0x102/0x170 [ 4079.413641][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4079.413641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.413641][ T10] netlink_rcv_skb+0x130/0x360 [ 4079.413641][ T10] netlink_unicast+0x449/0x710 [ 4079.413641][ T10] netlink_sendmsg+0x723/0xbe0 [ 4079.413641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4079.413641][ T10] ___sys_sendmsg+0xee/0x170 [ 4079.413641][ T10] __sys_sendmsg+0xcd/0x170 [ 4079.413641][ T10] do_syscall_64+0xc6/0x1e0 [ 4079.413641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4079.413641][ T10] [ 4079.415236][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4079.415236][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4079.415236][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4079.415236][ T10] ipv6_find_idev+0x102/0x170 [ 4079.415236][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4079.415236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.415236][ T10] netlink_rcv_skb+0x130/0x360 [ 4079.415236][ T10] netlink_unicast+0x449/0x710 [ 4079.415236][ T10] netlink_sendmsg+0x723/0xbe0 [ 4079.415236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4079.415236][ T10] ___sys_sendmsg+0xee/0x170 [ 4079.415236][ T10] __sys_sendmsg+0xcd/0x170 [ 4079.415236][ T10] do_syscall_64+0xc6/0x1e0 [ 4079.415236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4079.415236][ T10] [ 4079.417026][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4079.417322][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4079.417322][ T10] netdev_get_by_index+0x5e/0x80 [ 4079.417322][ T10] fib6_nh_init+0x3d8/0x1580 [ 4079.417322][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4079.417322][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4079.417322][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4079.417322][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4079.417322][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4079.417322][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4079.417322][ T10] addrconf_dad_begin+0x310/0x670 [ 4079.417322][ T10] addrconf_dad_work+0x10b/0xab0 [ 4079.417322][ T10] process_one_work+0x84d/0x18a0 [ 4079.417322][ T10] worker_thread+0x587/0xd30 [ 4079.417322][ T10] kthread+0x28a/0x350 [ 4079.417322][ T10] ret_from_fork+0x31/0x70 [ 4079.417322][ T10] ret_from_fork_asm+0x1a/0x30 [ 4079.417322][ T10] [ 4079.419253][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4079.419253][ T10] netdev_get_by_index+0x5e/0x80 [ 4079.419253][ T10] fib6_nh_init+0x3d8/0x1580 [ 4079.419253][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4079.419253][ T10] ip6_route_add+0x1c/0x140 [ 4079.419253][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4079.419253][ T10] inet6_addr_add+0x4f8/0xa40 [ 4079.419253][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4079.419253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.419253][ T10] netlink_rcv_skb+0x130/0x360 [ 4079.419253][ T10] netlink_unicast+0x449/0x710 [ 4079.419253][ T10] netlink_sendmsg+0x723/0xbe0 [ 4079.419253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4079.419253][ T10] ___sys_sendmsg+0xee/0x170 [ 4079.419253][ T10] __sys_sendmsg+0xcd/0x170 [ 4079.419253][ T10] do_syscall_64+0xc6/0x1e0 [ 4079.419253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4079.419253][ T10] [ 4079.421366][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4079.421366][ T10] netdev_get_by_index+0x5e/0x80 [ 4079.421366][ T10] fib6_nh_init+0x3d8/0x1580 [ 4079.421366][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4079.421366][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4079.421366][ T10] ipv6_add_addr+0x411/0x2000 [ 4079.421366][ T10] inet6_addr_add+0x30e/0xa40 [ 4079.421366][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4079.421366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.421366][ T10] netlink_rcv_skb+0x130/0x360 [ 4079.421366][ T10] netlink_unicast+0x449/0x710 [ 4079.421366][ T10] netlink_sendmsg+0x723/0xbe0 [ 4079.421366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4079.421366][ T10] ___sys_sendmsg+0xee/0x170 [ 4079.421366][ T10] __sys_sendmsg+0xcd/0x170 [ 4079.421366][ T10] do_syscall_64+0xc6/0x1e0 [ 4079.421366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4079.421366][ T10] [ 4079.423644][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4079.423644][ T10] netdev_get_by_index+0x5e/0x80 [ 4079.423644][ T10] fib6_nh_init+0x3d8/0x1580 [ 4079.423644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4079.423644][ T10] ip6_route_add+0x1c/0x140 [ 4079.423644][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4079.423644][ T10] addrconf_add_dev+0xe2/0x170 [ 4079.423644][ T10] inet6_addr_add+0x12f/0xa40 [ 4079.423644][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4079.423644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.423644][ T10] netlink_rcv_skb+0x130/0x360 [ 4079.423644][ T10] netlink_unicast+0x449/0x710 [ 4079.423644][ T10] netlink_sendmsg+0x723/0xbe0 [ 4079.423644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4079.423644][ T10] ___sys_sendmsg+0xee/0x170 [ 4079.423644][ T10] __sys_sendmsg+0xcd/0x170 [ 4079.423644][ T10] do_syscall_64+0xc6/0x1e0 [ 4079.423644][ T10] [ 4079.425792][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4079.425792][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4079.425792][ T10] ipv6_find_idev+0x102/0x170 [ 4079.425792][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4079.425792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.425792][ T10] netlink_rcv_skb+0x130/0x360 [ 4079.425792][ T10] netlink_unicast+0x449/0x710 [ 4079.425792][ T10] netlink_sendmsg+0x723/0xbe0 [ 4079.425792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4079.425792][ T10] ___sys_sendmsg+0xee/0x170 [ 4079.425792][ T10] __sys_sendmsg+0xcd/0x170 [ 4079.425792][ T10] do_syscall_64+0xc6/0x1e0 [ 4079.425792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4079.425792][ T10] [ 4079.427503][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4079.427503][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4079.427503][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4079.427503][ T10] ipv6_find_idev+0x102/0x170 [ 4079.427503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4079.427503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.427503][ T10] netlink_rcv_skb+0x130/0x360 [ 4079.427503][ T10] netlink_unicast+0x449/0x710 [ 4079.427503][ T10] netlink_sendmsg+0x723/0xbe0 [ 4079.427503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4079.427503][ T10] ___sys_sendmsg+0xee/0x170 [ 4079.427503][ T10] __sys_sendmsg+0xcd/0x170 [ 4079.427503][ T10] do_syscall_64+0xc6/0x1e0 [ 4079.427503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4079.427503][ T10] [ 4079.429310][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4079.429555][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4079.429555][ T10] netdev_get_by_index+0x5e/0x80 [ 4079.429555][ T10] fib6_nh_init+0x3d8/0x1580 [ 4079.429555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4079.429555][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4079.429555][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4079.429555][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4079.429555][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4079.429555][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4079.429555][ T10] addrconf_dad_begin+0x310/0x670 [ 4079.429555][ T10] addrconf_dad_work+0x10b/0xab0 [ 4079.429555][ T10] process_one_work+0x84d/0x18a0 [ 4079.429555][ T10] worker_thread+0x587/0xd30 [ 4079.429555][ T10] kthread+0x28a/0x350 [ 4079.429555][ T10] ret_from_fork+0x31/0x70 [ 4079.429555][ T10] ret_from_fork_asm+0x1a/0x30 [ 4079.429555][ T10] [ 4079.431635][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4079.431635][ T10] netdev_get_by_index+0x5e/0x80 [ 4079.431635][ T10] fib6_nh_init+0x3d8/0x1580 [ 4079.431635][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4079.431635][ T10] ip6_route_add+0x1c/0x140 [ 4079.431635][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4079.431635][ T10] inet6_addr_add+0x4f8/0xa40 [ 4079.431635][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4079.431635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.431635][ T10] netlink_rcv_skb+0x130/0x360 [ 4079.431635][ T10] netlink_unicast+0x449/0x710 [ 4079.431635][ T10] netlink_sendmsg+0x723/0xbe0 [ 4079.431635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4079.431635][ T10] ___sys_sendmsg+0xee/0x170 [ 4079.431635][ T10] __sys_sendmsg+0xcd/0x170 [ 4079.431635][ T10] do_syscall_64+0xc6/0x1e0 [ 4079.431635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4079.431635][ T10] [ 4079.433732][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4079.433732][ T10] netdev_get_by_index+0x5e/0x80 [ 4079.433732][ T10] fib6_nh_init+0x3d8/0x1580 [ 4079.433732][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4079.433732][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4079.433732][ T10] ipv6_add_addr+0x411/0x2000 [ 4079.433732][ T10] inet6_addr_add+0x30e/0xa40 [ 4079.433732][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4079.433732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.433732][ T10] netlink_rcv_skb+0x130/0x360 [ 4079.433732][ T10] netlink_unicast+0x449/0x710 [ 4079.433732][ T10] netlink_sendmsg+0x723/0xbe0 [ 4079.433732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4079.433732][ T10] ___sys_sendmsg+0xee/0x170 [ 4079.433732][ T10] __sys_sendmsg+0xcd/0x170 [ 4079.433732][ T10] do_syscall_64+0xc6/0x1e0 [ 4079.433732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4079.433732][ T10] [ 4079.435798][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4079.435798][ T10] netdev_get_by_index+0x5e/0x80 [ 4079.435798][ T10] fib6_nh_init+0x3d8/0x1580 [ 4079.435798][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4079.435798][ T10] ip6_route_add+0x1c/0x140 [ 4079.435798][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4079.435798][ T10] addrconf_add_dev+0xe2/0x170 [ 4079.435798][ T10] inet6_addr_add+0x12f/0xa40 [ 4079.435798][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4079.435798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.435798][ T10] netlink_rcv_skb+0x130/0x360 [ 4079.435798][ T10] netlink_unicast+0x449/0x710 [ 4079.435798][ T10] netlink_sendmsg+0x723/0xbe0 [ 4079.435798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4079.435798][ T10] ___sys_sendmsg+0xee/0x170 [ 4079.435798][ T10] __sys_sendmsg+0xcd/0x170 [ 4079.435798][ T10] do_syscall_64+0xc6/0x1e0 [ 4079.435798][ T10] [ 4079.437967][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4079.437967][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4079.437967][ T10] ipv6_find_idev+0x102/0x170 [ 4079.437967][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4079.437967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.437967][ T10] netlink_rcv_skb+0x130/0x360 [ 4079.437967][ T10] netlink_unicast+0x449/0x710 [ 4079.437967][ T10] netlink_sendmsg+0x723/0xbe0 [ 4079.437967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4079.437967][ T10] ___sys_sendmsg+0xee/0x170 [ 4079.437967][ T10] __sys_sendmsg+0xcd/0x170 [ 4079.437967][ T10] do_syscall_64+0xc6/0x1e0 [ 4079.437967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4079.437967][ T10] [ 4079.439624][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4079.439624][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4079.439624][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4079.439624][ T10] ipv6_find_idev+0x102/0x170 [ 4079.439624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4079.439624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.439624][ T10] netlink_rcv_skb+0x130/0x360 [ 4079.439624][ T10] netlink_unicast+0x449/0x710 [ 4079.439624][ T10] netlink_sendmsg+0x723/0xbe0 [ 4079.439624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4079.439624][ T10] ___sys_sendmsg+0xee/0x170 [ 4079.439624][ T10] __sys_sendmsg+0xcd/0x170 [ 4079.439624][ T10] do_syscall_64+0xc6/0x1e0 [ 4079.439624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4079.439624][ T10] [ 4086.105034][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4086.105535][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4086.105535][ T1167] dst_init+0x84/0x4a0 [ 4086.105535][ T1167] dst_alloc+0x97/0x150 [ 4086.105535][ T1167] ip6_dst_alloc+0x23/0x90 [ 4086.105535][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4086.105535][ T1167] ip6_pol_route+0x56f/0x840 [ 4086.105535][ T1167] fib6_rule_lookup+0x334/0x630 [ 4086.105535][ T1167] ip6_route_output_flags+0x259/0x480 [ 4086.105535][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4086.105535][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4086.105535][ T1167] netlink_rcv_skb+0x130/0x360 [ 4086.105535][ T1167] netlink_unicast+0x449/0x710 [ 4086.105535][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4086.105535][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4086.105535][ T1167] ___sys_sendmsg+0xee/0x170 [ 4086.105535][ T1167] __sys_sendmsg+0xcd/0x170 [ 4086.105535][ T1167] do_syscall_64+0xc6/0x1e0 [ 4086.105535][ T1167] [ 4086.107749][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4086.107749][ T1167] netdev_get_by_index+0x5e/0x80 [ 4086.107749][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4086.107749][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4086.107749][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4086.107749][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4086.107749][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4086.107749][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4086.107749][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4086.107749][ T1167] addrconf_dad_begin+0x310/0x670 [ 4086.107749][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4086.107749][ T1167] process_one_work+0x84d/0x18a0 [ 4086.107749][ T1167] worker_thread+0x587/0xd30 [ 4086.107749][ T1167] kthread+0x28a/0x350 [ 4086.107749][ T1167] ret_from_fork+0x31/0x70 [ 4086.107749][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4086.107749][ T1167] [ 4086.109921][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4086.109921][ T1167] netdev_get_by_index+0x5e/0x80 [ 4086.109921][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4086.109921][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4086.109921][ T1167] ip6_route_add+0x1c/0x140 [ 4086.109921][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4086.109921][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4086.109921][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4086.109921][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4086.109921][ T1167] netlink_rcv_skb+0x130/0x360 [ 4086.109921][ T1167] netlink_unicast+0x449/0x710 [ 4086.109921][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4086.109921][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4086.109921][ T1167] ___sys_sendmsg+0xee/0x170 [ 4086.109921][ T1167] __sys_sendmsg+0xcd/0x170 [ 4086.109921][ T1167] do_syscall_64+0xc6/0x1e0 [ 4086.109921][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4086.109921][ T1167] [ 4086.112160][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4086.112160][ T1167] netdev_get_by_index+0x5e/0x80 [ 4086.112160][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4086.112160][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4086.112160][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4086.112160][ T1167] ipv6_add_addr+0x411/0x2000 [ 4086.112160][ T1167] inet6_addr_add+0x30e/0xa40 [ 4086.112160][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4086.112160][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4086.112160][ T1167] netlink_rcv_skb+0x130/0x360 [ 4086.112160][ T1167] netlink_unicast+0x449/0x710 [ 4086.112160][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4086.112160][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4086.112160][ T1167] ___sys_sendmsg+0xee/0x170 [ 4086.112160][ T1167] __sys_sendmsg+0xcd/0x170 [ 4086.112160][ T1167] do_syscall_64+0xc6/0x1e0 [ 4086.112160][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4086.112160][ T1167] [ 4086.114412][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4086.114412][ T1167] netdev_get_by_index+0x5e/0x80 [ 4086.114412][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4086.114412][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4086.114412][ T1167] ip6_route_add+0x1c/0x140 [ 4086.114412][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4086.114412][ T1167] addrconf_add_dev+0xe2/0x170 [ 4086.114412][ T1167] inet6_addr_add+0x12f/0xa40 [ 4086.114412][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4086.114412][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4086.114412][ T1167] netlink_rcv_skb+0x130/0x360 [ 4086.114412][ T1167] netlink_unicast+0x449/0x710 [ 4086.114412][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4086.114412][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4086.114412][ T1167] ___sys_sendmsg+0xee/0x170 [ 4086.114412][ T1167] __sys_sendmsg+0xcd/0x170 [ 4086.114412][ T1167] do_syscall_64+0xc6/0x1e0 [ 4086.114412][ T1167] [ 4086.116601][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4086.116601][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4086.116601][ T1167] ipv6_find_idev+0x102/0x170 [ 4086.116601][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4086.116601][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4086.116601][ T1167] netlink_rcv_skb+0x130/0x360 [ 4086.116601][ T1167] netlink_unicast+0x449/0x710 [ 4086.116601][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4086.116601][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4086.116601][ T1167] ___sys_sendmsg+0xee/0x170 [ 4086.116601][ T1167] __sys_sendmsg+0xcd/0x170 [ 4086.116601][ T1167] do_syscall_64+0xc6/0x1e0 [ 4086.116601][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4086.116601][ T1167] [ 4086.118304][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4086.118304][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4086.118304][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4086.118304][ T1167] ipv6_find_idev+0x102/0x170 [ 4086.118304][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4086.118304][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4086.118304][ T1167] netlink_rcv_skb+0x130/0x360 [ 4086.118304][ T1167] netlink_unicast+0x449/0x710 [ 4086.118304][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4086.118304][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4086.118304][ T1167] ___sys_sendmsg+0xee/0x170 [ 4086.118304][ T1167] __sys_sendmsg+0xcd/0x170 [ 4086.118304][ T1167] do_syscall_64+0xc6/0x1e0 [ 4086.118304][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4086.118304][ T1167] [ 4089.681075][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4089.681507][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4089.681507][ T10] netdev_get_by_index+0x5e/0x80 [ 4089.681507][ T10] fib6_nh_init+0x3d8/0x1580 [ 4089.681507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4089.681507][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4089.681507][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4089.681507][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4089.681507][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4089.681507][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4089.681507][ T10] addrconf_dad_begin+0x310/0x670 [ 4089.681507][ T10] addrconf_dad_work+0x10b/0xab0 [ 4089.681507][ T10] process_one_work+0x84d/0x18a0 [ 4089.681507][ T10] worker_thread+0x587/0xd30 [ 4089.681507][ T10] kthread+0x28a/0x350 [ 4089.681507][ T10] ret_from_fork+0x31/0x70 [ 4089.681507][ T10] ret_from_fork_asm+0x1a/0x30 [ 4089.681507][ T10] [ 4089.683442][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4089.683442][ T10] netdev_get_by_index+0x5e/0x80 [ 4089.683442][ T10] fib6_nh_init+0x3d8/0x1580 [ 4089.683442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4089.683442][ T10] ip6_route_add+0x1c/0x140 [ 4089.683442][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4089.683442][ T10] inet6_addr_add+0x4f8/0xa40 [ 4089.683442][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4089.683442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.683442][ T10] netlink_rcv_skb+0x130/0x360 [ 4089.683442][ T10] netlink_unicast+0x449/0x710 [ 4089.683442][ T10] netlink_sendmsg+0x723/0xbe0 [ 4089.683442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4089.683442][ T10] ___sys_sendmsg+0xee/0x170 [ 4089.683442][ T10] __sys_sendmsg+0xcd/0x170 [ 4089.683442][ T10] do_syscall_64+0xc6/0x1e0 [ 4089.683442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4089.683442][ T10] [ 4089.685473][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4089.685473][ T10] netdev_get_by_index+0x5e/0x80 [ 4089.685473][ T10] fib6_nh_init+0x3d8/0x1580 [ 4089.685473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4089.685473][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4089.685473][ T10] ipv6_add_addr+0x411/0x2000 [ 4089.685473][ T10] inet6_addr_add+0x30e/0xa40 [ 4089.685473][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4089.685473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.685473][ T10] netlink_rcv_skb+0x130/0x360 [ 4089.685473][ T10] netlink_unicast+0x449/0x710 [ 4089.685473][ T10] netlink_sendmsg+0x723/0xbe0 [ 4089.685473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4089.685473][ T10] ___sys_sendmsg+0xee/0x170 [ 4089.685473][ T10] __sys_sendmsg+0xcd/0x170 [ 4089.685473][ T10] do_syscall_64+0xc6/0x1e0 [ 4089.685473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4089.685473][ T10] [ 4089.687477][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4089.687477][ T10] netdev_get_by_index+0x5e/0x80 [ 4089.687477][ T10] fib6_nh_init+0x3d8/0x1580 [ 4089.687477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4089.687477][ T10] ip6_route_add+0x1c/0x140 [ 4089.687477][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4089.687477][ T10] addrconf_add_dev+0xe2/0x170 [ 4089.687477][ T10] inet6_addr_add+0x12f/0xa40 [ 4089.687477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4089.687477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.687477][ T10] netlink_rcv_skb+0x130/0x360 [ 4089.687477][ T10] netlink_unicast+0x449/0x710 [ 4089.687477][ T10] netlink_sendmsg+0x723/0xbe0 [ 4089.687477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4089.687477][ T10] ___sys_sendmsg+0xee/0x170 [ 4089.687477][ T10] __sys_sendmsg+0xcd/0x170 [ 4089.687477][ T10] do_syscall_64+0xc6/0x1e0 [ 4089.687477][ T10] [ 4089.689446][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4089.689446][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4089.689446][ T10] ipv6_find_idev+0x102/0x170 [ 4089.689446][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4089.689446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.689446][ T10] netlink_rcv_skb+0x130/0x360 [ 4089.689446][ T10] netlink_unicast+0x449/0x710 [ 4089.689446][ T10] netlink_sendmsg+0x723/0xbe0 [ 4089.689446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4089.689446][ T10] ___sys_sendmsg+0xee/0x170 [ 4089.689446][ T10] __sys_sendmsg+0xcd/0x170 [ 4089.689446][ T10] do_syscall_64+0xc6/0x1e0 [ 4089.689446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4089.689446][ T10] [ 4089.691008][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4089.691008][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4089.691008][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4089.691008][ T10] ipv6_find_idev+0x102/0x170 [ 4089.691008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4089.691008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.691008][ T10] netlink_rcv_skb+0x130/0x360 [ 4089.691008][ T10] netlink_unicast+0x449/0x710 [ 4089.691008][ T10] netlink_sendmsg+0x723/0xbe0 [ 4089.691008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4089.691008][ T10] ___sys_sendmsg+0xee/0x170 [ 4089.691008][ T10] __sys_sendmsg+0xcd/0x170 [ 4089.691008][ T10] do_syscall_64+0xc6/0x1e0 [ 4089.691008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4089.691008][ T10] [ 4089.692735][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4089.692979][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4089.692979][ T10] netdev_get_by_index+0x5e/0x80 [ 4089.692979][ T10] fib6_nh_init+0x3d8/0x1580 [ 4089.692979][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4089.692979][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4089.692979][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4089.692979][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4089.692979][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4089.692979][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4089.692979][ T10] addrconf_dad_begin+0x310/0x670 [ 4089.692979][ T10] addrconf_dad_work+0x10b/0xab0 [ 4089.692979][ T10] process_one_work+0x84d/0x18a0 [ 4089.692979][ T10] worker_thread+0x587/0xd30 [ 4089.692979][ T10] kthread+0x28a/0x350 [ 4089.692979][ T10] ret_from_fork+0x31/0x70 [ 4089.692979][ T10] ret_from_fork_asm+0x1a/0x30 [ 4089.692979][ T10] [ 4089.694898][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4089.694898][ T10] netdev_get_by_index+0x5e/0x80 [ 4089.694898][ T10] fib6_nh_init+0x3d8/0x1580 [ 4089.694898][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4089.694898][ T10] ip6_route_add+0x1c/0x140 [ 4089.694898][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4089.694898][ T10] inet6_addr_add+0x4f8/0xa40 [ 4089.694898][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4089.694898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.694898][ T10] netlink_rcv_skb+0x130/0x360 [ 4089.694898][ T10] netlink_unicast+0x449/0x710 [ 4089.694898][ T10] netlink_sendmsg+0x723/0xbe0 [ 4089.694898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4089.694898][ T10] ___sys_sendmsg+0xee/0x170 [ 4089.694898][ T10] __sys_sendmsg+0xcd/0x170 [ 4089.694898][ T10] do_syscall_64+0xc6/0x1e0 [ 4089.694898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4089.694898][ T10] [ 4089.696896][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4089.696896][ T10] netdev_get_by_index+0x5e/0x80 [ 4089.696896][ T10] fib6_nh_init+0x3d8/0x1580 [ 4089.696896][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4089.696896][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4089.696896][ T10] ipv6_add_addr+0x411/0x2000 [ 4089.696896][ T10] inet6_addr_add+0x30e/0xa40 [ 4089.696896][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4089.696896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.696896][ T10] netlink_rcv_skb+0x130/0x360 [ 4089.696896][ T10] netlink_unicast+0x449/0x710 [ 4089.696896][ T10] netlink_sendmsg+0x723/0xbe0 [ 4089.696896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4089.696896][ T10] ___sys_sendmsg+0xee/0x170 [ 4089.696896][ T10] __sys_sendmsg+0xcd/0x170 [ 4089.696896][ T10] do_syscall_64+0xc6/0x1e0 [ 4089.696896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4089.696896][ T10] [ 4089.698925][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4089.698925][ T10] netdev_get_by_index+0x5e/0x80 [ 4089.698925][ T10] fib6_nh_init+0x3d8/0x1580 [ 4089.698925][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4089.698925][ T10] ip6_route_add+0x1c/0x140 [ 4089.698925][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4089.698925][ T10] addrconf_add_dev+0xe2/0x170 [ 4089.698925][ T10] inet6_addr_add+0x12f/0xa40 [ 4089.698925][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4089.698925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.698925][ T10] netlink_rcv_skb+0x130/0x360 [ 4089.698925][ T10] netlink_unicast+0x449/0x710 [ 4089.698925][ T10] netlink_sendmsg+0x723/0xbe0 [ 4089.698925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4089.698925][ T10] ___sys_sendmsg+0xee/0x170 [ 4089.698925][ T10] __sys_sendmsg+0xcd/0x170 [ 4089.698925][ T10] do_syscall_64+0xc6/0x1e0 [ 4089.698925][ T10] [ 4089.700924][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4089.700924][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4089.700924][ T10] ipv6_find_idev+0x102/0x170 [ 4089.700924][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4089.700924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.700924][ T10] netlink_rcv_skb+0x130/0x360 [ 4089.700924][ T10] netlink_unicast+0x449/0x710 [ 4089.700924][ T10] netlink_sendmsg+0x723/0xbe0 [ 4089.700924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4089.700924][ T10] ___sys_sendmsg+0xee/0x170 [ 4089.700924][ T10] __sys_sendmsg+0xcd/0x170 [ 4089.700924][ T10] do_syscall_64+0xc6/0x1e0 [ 4089.700924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4089.700924][ T10] [ 4089.702462][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4089.702462][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4089.702462][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4089.702462][ T10] ipv6_find_idev+0x102/0x170 [ 4089.702462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4089.702462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.702462][ T10] netlink_rcv_skb+0x130/0x360 [ 4089.702462][ T10] netlink_unicast+0x449/0x710 [ 4089.702462][ T10] netlink_sendmsg+0x723/0xbe0 [ 4089.702462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4089.702462][ T10] ___sys_sendmsg+0xee/0x170 [ 4089.702462][ T10] __sys_sendmsg+0xcd/0x170 [ 4089.702462][ T10] do_syscall_64+0xc6/0x1e0 [ 4089.702462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4089.702462][ T10] [ 4089.704175][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4089.704417][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4089.704417][ T10] netdev_get_by_index+0x5e/0x80 [ 4089.704417][ T10] fib6_nh_init+0x3d8/0x1580 [ 4089.704417][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4089.704417][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4089.704417][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4089.704417][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4089.704417][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4089.704417][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4089.704417][ T10] addrconf_dad_begin+0x310/0x670 [ 4089.704417][ T10] addrconf_dad_work+0x10b/0xab0 [ 4089.704417][ T10] process_one_work+0x84d/0x18a0 [ 4089.704417][ T10] worker_thread+0x587/0xd30 [ 4089.704417][ T10] kthread+0x28a/0x350 [ 4089.704417][ T10] ret_from_fork+0x31/0x70 [ 4089.704417][ T10] ret_from_fork_asm+0x1a/0x30 [ 4089.704417][ T10] [ 4089.706343][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4089.706343][ T10] netdev_get_by_index+0x5e/0x80 [ 4089.706343][ T10] fib6_nh_init+0x3d8/0x1580 [ 4089.706343][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4089.706343][ T10] ip6_route_add+0x1c/0x140 [ 4089.706343][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4089.706343][ T10] inet6_addr_add+0x4f8/0xa40 [ 4089.706343][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4089.706343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.706343][ T10] netlink_rcv_skb+0x130/0x360 [ 4089.706343][ T10] netlink_unicast+0x449/0x710 [ 4089.706343][ T10] netlink_sendmsg+0x723/0xbe0 [ 4089.706343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4089.706343][ T10] ___sys_sendmsg+0xee/0x170 [ 4089.706343][ T10] __sys_sendmsg+0xcd/0x170 [ 4089.706343][ T10] do_syscall_64+0xc6/0x1e0 [ 4089.706343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4089.706343][ T10] [ 4089.708510][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4089.708510][ T10] netdev_get_by_index+0x5e/0x80 [ 4089.708510][ T10] fib6_nh_init+0x3d8/0x1580 [ 4089.708510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4089.708510][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4089.708510][ T10] ipv6_add_addr+0x411/0x2000 [ 4089.708510][ T10] inet6_addr_add+0x30e/0xa40 [ 4089.708510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4089.708510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.708510][ T10] netlink_rcv_skb+0x130/0x360 [ 4089.708510][ T10] netlink_unicast+0x449/0x710 [ 4089.708510][ T10] netlink_sendmsg+0x723/0xbe0 [ 4089.708510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4089.708510][ T10] ___sys_sendmsg+0xee/0x170 [ 4089.708510][ T10] __sys_sendmsg+0xcd/0x170 [ 4089.708510][ T10] do_syscall_64+0xc6/0x1e0 [ 4089.708510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4089.708510][ T10] [ 4089.710677][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4089.710677][ T10] netdev_get_by_index+0x5e/0x80 [ 4089.710677][ T10] fib6_nh_init+0x3d8/0x1580 [ 4089.710677][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4089.710677][ T10] ip6_route_add+0x1c/0x140 [ 4089.710677][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4089.710677][ T10] addrconf_add_dev+0xe2/0x170 [ 4089.710677][ T10] inet6_addr_add+0x12f/0xa40 [ 4089.710677][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4089.710677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.710677][ T10] netlink_rcv_skb+0x130/0x360 [ 4089.710677][ T10] netlink_unicast+0x449/0x710 [ 4089.710677][ T10] netlink_sendmsg+0x723/0xbe0 [ 4089.710677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4089.710677][ T10] ___sys_sendmsg+0xee/0x170 [ 4089.710677][ T10] __sys_sendmsg+0xcd/0x170 [ 4089.710677][ T10] do_syscall_64+0xc6/0x1e0 [ 4089.710677][ T10] [ 4089.712901][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4089.712901][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4089.712901][ T10] ipv6_find_idev+0x102/0x170 [ 4089.712901][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4089.712901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.712901][ T10] netlink_rcv_skb+0x130/0x360 [ 4089.712901][ T10] netlink_unicast+0x449/0x710 [ 4089.712901][ T10] netlink_sendmsg+0x723/0xbe0 [ 4089.712901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4089.712901][ T10] ___sys_sendmsg+0xee/0x170 [ 4089.712901][ T10] __sys_sendmsg+0xcd/0x170 [ 4089.712901][ T10] do_syscall_64+0xc6/0x1e0 [ 4089.712901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4089.712901][ T10] [ 4089.714703][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4089.714703][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4089.714703][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4089.714703][ T10] ipv6_find_idev+0x102/0x170 [ 4089.714703][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4089.714703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.714703][ T10] netlink_rcv_skb+0x130/0x360 [ 4089.714703][ T10] netlink_unicast+0x449/0x710 [ 4089.714703][ T10] netlink_sendmsg+0x723/0xbe0 [ 4089.714703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4089.714703][ T10] ___sys_sendmsg+0xee/0x170 [ 4089.714703][ T10] __sys_sendmsg+0xcd/0x170 [ 4089.714703][ T10] do_syscall_64+0xc6/0x1e0 [ 4089.714703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4089.714703][ T10] [ 4089.716620][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4089.716861][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4089.716861][ T10] netdev_get_by_index+0x5e/0x80 [ 4089.716861][ T10] fib6_nh_init+0x3d8/0x1580 [ 4089.716861][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4089.716861][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4089.716861][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4089.716861][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4089.716861][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4089.716861][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4089.716861][ T10] addrconf_dad_begin+0x310/0x670 [ 4089.716861][ T10] addrconf_dad_work+0x10b/0xab0 [ 4089.716861][ T10] process_one_work+0x84d/0x18a0 [ 4089.716861][ T10] worker_thread+0x587/0xd30 [ 4089.716861][ T10] kthread+0x28a/0x350 [ 4089.716861][ T10] ret_from_fork+0x31/0x70 [ 4089.716861][ T10] ret_from_fork_asm+0x1a/0x30 [ 4089.716861][ T10] [ 4089.719560][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4089.719560][ T10] netdev_get_by_index+0x5e/0x80 [ 4089.719560][ T10] fib6_nh_init+0x3d8/0x1580 [ 4089.719560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4089.719560][ T10] ip6_route_add+0x1c/0x140 [ 4089.719560][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4089.719560][ T10] inet6_addr_add+0x4f8/0xa40 [ 4089.719560][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4089.719560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.719560][ T10] netlink_rcv_skb+0x130/0x360 [ 4089.719560][ T10] netlink_unicast+0x449/0x710 [ 4089.719560][ T10] netlink_sendmsg+0x723/0xbe0 [ 4089.719560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4089.719560][ T10] ___sys_sendmsg+0xee/0x170 [ 4089.719560][ T10] __sys_sendmsg+0xcd/0x170 [ 4089.719560][ T10] do_syscall_64+0xc6/0x1e0 [ 4089.719560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4089.719560][ T10] [ 4089.721799][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4089.721799][ T10] netdev_get_by_index+0x5e/0x80 [ 4089.721799][ T10] fib6_nh_init+0x3d8/0x1580 [ 4089.721799][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4089.721799][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4089.721799][ T10] ipv6_add_addr+0x411/0x2000 [ 4089.721799][ T10] inet6_addr_add+0x30e/0xa40 [ 4089.721799][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4089.721799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.721799][ T10] netlink_rcv_skb+0x130/0x360 [ 4089.721799][ T10] netlink_unicast+0x449/0x710 [ 4089.721799][ T10] netlink_sendmsg+0x723/0xbe0 [ 4089.721799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4089.721799][ T10] ___sys_sendmsg+0xee/0x170 [ 4089.721799][ T10] __sys_sendmsg+0xcd/0x170 [ 4089.721799][ T10] do_syscall_64+0xc6/0x1e0 [ 4089.721799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4089.721799][ T10] [ 4089.724141][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4089.724141][ T10] netdev_get_by_index+0x5e/0x80 [ 4089.724141][ T10] fib6_nh_init+0x3d8/0x1580 [ 4089.724141][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4089.724141][ T10] ip6_route_add+0x1c/0x140 [ 4089.724141][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4089.724141][ T10] addrconf_add_dev+0xe2/0x170 [ 4089.724141][ T10] inet6_addr_add+0x12f/0xa40 [ 4089.724141][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4089.724141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.724141][ T10] netlink_rcv_skb+0x130/0x360 [ 4089.724141][ T10] netlink_unicast+0x449/0x710 [ 4089.724141][ T10] netlink_sendmsg+0x723/0xbe0 [ 4089.724141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4089.724141][ T10] ___sys_sendmsg+0xee/0x170 [ 4089.724141][ T10] __sys_sendmsg+0xcd/0x170 [ 4089.724141][ T10] do_syscall_64+0xc6/0x1e0 [ 4089.724141][ T10] [ 4089.726345][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4089.726345][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4089.726345][ T10] ipv6_find_idev+0x102/0x170 [ 4089.726345][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4089.726345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.726345][ T10] netlink_rcv_skb+0x130/0x360 [ 4089.726345][ T10] netlink_unicast+0x449/0x710 [ 4089.726345][ T10] netlink_sendmsg+0x723/0xbe0 [ 4089.726345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4089.726345][ T10] ___sys_sendmsg+0xee/0x170 [ 4089.726345][ T10] __sys_sendmsg+0xcd/0x170 [ 4089.726345][ T10] do_syscall_64+0xc6/0x1e0 [ 4089.726345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4089.726345][ T10] [ 4089.728066][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4089.728066][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4089.728066][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4089.728066][ T10] ipv6_find_idev+0x102/0x170 [ 4089.728066][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4089.728066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.728066][ T10] netlink_rcv_skb+0x130/0x360 [ 4089.728066][ T10] netlink_unicast+0x449/0x710 [ 4089.728066][ T10] netlink_sendmsg+0x723/0xbe0 [ 4089.728066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4089.728066][ T10] ___sys_sendmsg+0xee/0x170 [ 4089.728066][ T10] __sys_sendmsg+0xcd/0x170 [ 4089.728066][ T10] do_syscall_64+0xc6/0x1e0 [ 4089.728066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4089.728066][ T10] [ 4096.129089][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4096.129712][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4096.129712][ T1167] dst_init+0x84/0x4a0 [ 4096.129712][ T1167] dst_alloc+0x97/0x150 [ 4096.129712][ T1167] ip6_dst_alloc+0x23/0x90 [ 4096.129712][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4096.129712][ T1167] ip6_pol_route+0x56f/0x840 [ 4096.129712][ T1167] fib6_rule_lookup+0x334/0x630 [ 4096.129712][ T1167] ip6_route_output_flags+0x259/0x480 [ 4096.129712][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4096.129712][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4096.129712][ T1167] netlink_rcv_skb+0x130/0x360 [ 4096.129712][ T1167] netlink_unicast+0x449/0x710 [ 4096.129712][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4096.129712][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4096.129712][ T1167] ___sys_sendmsg+0xee/0x170 [ 4096.129712][ T1167] __sys_sendmsg+0xcd/0x170 [ 4096.129712][ T1167] do_syscall_64+0xc6/0x1e0 [ 4096.129712][ T1167] [ 4096.133089][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4096.133089][ T1167] netdev_get_by_index+0x5e/0x80 [ 4096.133089][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4096.133089][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4096.133089][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4096.133089][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4096.133089][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4096.133089][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4096.133089][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4096.133089][ T1167] addrconf_dad_begin+0x310/0x670 [ 4096.133089][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4096.133089][ T1167] process_one_work+0x84d/0x18a0 [ 4096.133089][ T1167] worker_thread+0x587/0xd30 [ 4096.133089][ T1167] kthread+0x28a/0x350 [ 4096.133089][ T1167] ret_from_fork+0x31/0x70 [ 4096.133089][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4096.133089][ T1167] [ 4096.136587][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4096.136587][ T1167] netdev_get_by_index+0x5e/0x80 [ 4096.136587][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4096.136587][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4096.136587][ T1167] ip6_route_add+0x1c/0x140 [ 4096.136587][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4096.136587][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4096.136587][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4096.136587][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4096.136587][ T1167] netlink_rcv_skb+0x130/0x360 [ 4096.136587][ T1167] netlink_unicast+0x449/0x710 [ 4096.136587][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4096.136587][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4096.136587][ T1167] ___sys_sendmsg+0xee/0x170 [ 4096.136587][ T1167] __sys_sendmsg+0xcd/0x170 [ 4096.136587][ T1167] do_syscall_64+0xc6/0x1e0 [ 4096.136587][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4096.136587][ T1167] [ 4096.139064][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4096.139064][ T1167] netdev_get_by_index+0x5e/0x80 [ 4096.139064][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4096.139064][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4096.139064][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4096.139064][ T1167] ipv6_add_addr+0x411/0x2000 [ 4096.139064][ T1167] inet6_addr_add+0x30e/0xa40 [ 4096.139064][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4096.139064][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4096.139064][ T1167] netlink_rcv_skb+0x130/0x360 [ 4096.139064][ T1167] netlink_unicast+0x449/0x710 [ 4096.139064][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4096.139064][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4096.139064][ T1167] ___sys_sendmsg+0xee/0x170 [ 4096.139064][ T1167] __sys_sendmsg+0xcd/0x170 [ 4096.139064][ T1167] do_syscall_64+0xc6/0x1e0 [ 4096.139064][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4096.139064][ T1167] [ 4096.141307][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4096.141307][ T1167] netdev_get_by_index+0x5e/0x80 [ 4096.141307][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4096.141307][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4096.141307][ T1167] ip6_route_add+0x1c/0x140 [ 4096.141307][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4096.141307][ T1167] addrconf_add_dev+0xe2/0x170 [ 4096.141307][ T1167] inet6_addr_add+0x12f/0xa40 [ 4096.141307][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4096.141307][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4096.141307][ T1167] netlink_rcv_skb+0x130/0x360 [ 4096.141307][ T1167] netlink_unicast+0x449/0x710 [ 4096.141307][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4096.141307][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4096.141307][ T1167] ___sys_sendmsg+0xee/0x170 [ 4096.141307][ T1167] __sys_sendmsg+0xcd/0x170 [ 4096.141307][ T1167] do_syscall_64+0xc6/0x1e0 [ 4096.141307][ T1167] [ 4096.143575][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4096.143575][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4096.143575][ T1167] ipv6_find_idev+0x102/0x170 [ 4096.143575][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4096.143575][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4096.143575][ T1167] netlink_rcv_skb+0x130/0x360 [ 4096.143575][ T1167] netlink_unicast+0x449/0x710 [ 4096.143575][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4096.143575][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4096.143575][ T1167] ___sys_sendmsg+0xee/0x170 [ 4096.143575][ T1167] __sys_sendmsg+0xcd/0x170 [ 4096.143575][ T1167] do_syscall_64+0xc6/0x1e0 [ 4096.143575][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4096.143575][ T1167] [ 4096.145314][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4096.145314][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4096.145314][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4096.145314][ T1167] ipv6_find_idev+0x102/0x170 [ 4096.145314][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4096.145314][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4096.145314][ T1167] netlink_rcv_skb+0x130/0x360 [ 4096.145314][ T1167] netlink_unicast+0x449/0x710 [ 4096.145314][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4096.145314][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4096.145314][ T1167] ___sys_sendmsg+0xee/0x170 [ 4096.145314][ T1167] __sys_sendmsg+0xcd/0x170 [ 4096.145314][ T1167] do_syscall_64+0xc6/0x1e0 [ 4096.145314][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4096.145314][ T1167] [ 4099.905047][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4099.905454][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4099.905454][ T10] netdev_get_by_index+0x5e/0x80 [ 4099.905454][ T10] fib6_nh_init+0x3d8/0x1580 [ 4099.905454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4099.905454][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4099.905454][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4099.905454][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4099.905454][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4099.905454][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4099.905454][ T10] addrconf_dad_begin+0x310/0x670 [ 4099.905454][ T10] addrconf_dad_work+0x10b/0xab0 [ 4099.905454][ T10] process_one_work+0x84d/0x18a0 [ 4099.905454][ T10] worker_thread+0x587/0xd30 [ 4099.905454][ T10] kthread+0x28a/0x350 [ 4099.905454][ T10] ret_from_fork+0x31/0x70 [ 4099.905454][ T10] ret_from_fork_asm+0x1a/0x30 [ 4099.905454][ T10] [ 4099.907392][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4099.907392][ T10] netdev_get_by_index+0x5e/0x80 [ 4099.907392][ T10] fib6_nh_init+0x3d8/0x1580 [ 4099.907392][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4099.907392][ T10] ip6_route_add+0x1c/0x140 [ 4099.907392][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4099.907392][ T10] inet6_addr_add+0x4f8/0xa40 [ 4099.907392][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4099.907392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.907392][ T10] netlink_rcv_skb+0x130/0x360 [ 4099.907392][ T10] netlink_unicast+0x449/0x710 [ 4099.907392][ T10] netlink_sendmsg+0x723/0xbe0 [ 4099.907392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4099.907392][ T10] ___sys_sendmsg+0xee/0x170 [ 4099.907392][ T10] __sys_sendmsg+0xcd/0x170 [ 4099.907392][ T10] do_syscall_64+0xc6/0x1e0 [ 4099.907392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4099.907392][ T10] [ 4099.909398][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4099.909398][ T10] netdev_get_by_index+0x5e/0x80 [ 4099.909398][ T10] fib6_nh_init+0x3d8/0x1580 [ 4099.909398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4099.909398][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4099.909398][ T10] ipv6_add_addr+0x411/0x2000 [ 4099.909398][ T10] inet6_addr_add+0x30e/0xa40 [ 4099.909398][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4099.909398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.909398][ T10] netlink_rcv_skb+0x130/0x360 [ 4099.909398][ T10] netlink_unicast+0x449/0x710 [ 4099.909398][ T10] netlink_sendmsg+0x723/0xbe0 [ 4099.909398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4099.909398][ T10] ___sys_sendmsg+0xee/0x170 [ 4099.909398][ T10] __sys_sendmsg+0xcd/0x170 [ 4099.909398][ T10] do_syscall_64+0xc6/0x1e0 [ 4099.909398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4099.909398][ T10] [ 4099.911485][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4099.911485][ T10] netdev_get_by_index+0x5e/0x80 [ 4099.911485][ T10] fib6_nh_init+0x3d8/0x1580 [ 4099.911485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4099.911485][ T10] ip6_route_add+0x1c/0x140 [ 4099.911485][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4099.911485][ T10] addrconf_add_dev+0xe2/0x170 [ 4099.911485][ T10] inet6_addr_add+0x12f/0xa40 [ 4099.911485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4099.911485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.911485][ T10] netlink_rcv_skb+0x130/0x360 [ 4099.911485][ T10] netlink_unicast+0x449/0x710 [ 4099.911485][ T10] netlink_sendmsg+0x723/0xbe0 [ 4099.911485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4099.911485][ T10] ___sys_sendmsg+0xee/0x170 [ 4099.911485][ T10] __sys_sendmsg+0xcd/0x170 [ 4099.911485][ T10] do_syscall_64+0xc6/0x1e0 [ 4099.911485][ T10] [ 4099.913429][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4099.913429][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4099.913429][ T10] ipv6_find_idev+0x102/0x170 [ 4099.913429][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4099.913429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.913429][ T10] netlink_rcv_skb+0x130/0x360 [ 4099.913429][ T10] netlink_unicast+0x449/0x710 [ 4099.913429][ T10] netlink_sendmsg+0x723/0xbe0 [ 4099.913429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4099.913429][ T10] ___sys_sendmsg+0xee/0x170 [ 4099.913429][ T10] __sys_sendmsg+0xcd/0x170 [ 4099.913429][ T10] do_syscall_64+0xc6/0x1e0 [ 4099.913429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4099.913429][ T10] [ 4099.914950][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4099.914950][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4099.914950][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4099.914950][ T10] ipv6_find_idev+0x102/0x170 [ 4099.914950][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4099.914950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.914950][ T10] netlink_rcv_skb+0x130/0x360 [ 4099.914950][ T10] netlink_unicast+0x449/0x710 [ 4099.914950][ T10] netlink_sendmsg+0x723/0xbe0 [ 4099.914950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4099.914950][ T10] ___sys_sendmsg+0xee/0x170 [ 4099.914950][ T10] __sys_sendmsg+0xcd/0x170 [ 4099.914950][ T10] do_syscall_64+0xc6/0x1e0 [ 4099.914950][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4099.914950][ T10] [ 4099.916625][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4099.916874][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4099.916874][ T10] netdev_get_by_index+0x5e/0x80 [ 4099.916874][ T10] fib6_nh_init+0x3d8/0x1580 [ 4099.916874][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4099.916874][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4099.916874][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4099.916874][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4099.916874][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4099.916874][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4099.916874][ T10] addrconf_dad_begin+0x310/0x670 [ 4099.916874][ T10] addrconf_dad_work+0x10b/0xab0 [ 4099.916874][ T10] process_one_work+0x84d/0x18a0 [ 4099.916874][ T10] worker_thread+0x587/0xd30 [ 4099.916874][ T10] kthread+0x28a/0x350 [ 4099.916874][ T10] ret_from_fork+0x31/0x70 [ 4099.916874][ T10] ret_from_fork_asm+0x1a/0x30 [ 4099.916874][ T10] [ 4099.918776][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4099.918776][ T10] netdev_get_by_index+0x5e/0x80 [ 4099.918776][ T10] fib6_nh_init+0x3d8/0x1580 [ 4099.918776][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4099.918776][ T10] ip6_route_add+0x1c/0x140 [ 4099.918776][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4099.918776][ T10] inet6_addr_add+0x4f8/0xa40 [ 4099.918776][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4099.918776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.918776][ T10] netlink_rcv_skb+0x130/0x360 [ 4099.918776][ T10] netlink_unicast+0x449/0x710 [ 4099.918776][ T10] netlink_sendmsg+0x723/0xbe0 [ 4099.918776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4099.918776][ T10] ___sys_sendmsg+0xee/0x170 [ 4099.918776][ T10] __sys_sendmsg+0xcd/0x170 [ 4099.918776][ T10] do_syscall_64+0xc6/0x1e0 [ 4099.918776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4099.918776][ T10] [ 4099.920761][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4099.920761][ T10] netdev_get_by_index+0x5e/0x80 [ 4099.920761][ T10] fib6_nh_init+0x3d8/0x1580 [ 4099.920761][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4099.920761][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4099.920761][ T10] ipv6_add_addr+0x411/0x2000 [ 4099.920761][ T10] inet6_addr_add+0x30e/0xa40 [ 4099.920761][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4099.920761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.920761][ T10] netlink_rcv_skb+0x130/0x360 [ 4099.920761][ T10] netlink_unicast+0x449/0x710 [ 4099.920761][ T10] netlink_sendmsg+0x723/0xbe0 [ 4099.920761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4099.920761][ T10] ___sys_sendmsg+0xee/0x170 [ 4099.920761][ T10] __sys_sendmsg+0xcd/0x170 [ 4099.920761][ T10] do_syscall_64+0xc6/0x1e0 [ 4099.920761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4099.920761][ T10] [ 4099.922729][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4099.922729][ T10] netdev_get_by_index+0x5e/0x80 [ 4099.922729][ T10] fib6_nh_init+0x3d8/0x1580 [ 4099.922729][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4099.922729][ T10] ip6_route_add+0x1c/0x140 [ 4099.922729][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4099.922729][ T10] addrconf_add_dev+0xe2/0x170 [ 4099.922729][ T10] inet6_addr_add+0x12f/0xa40 [ 4099.922729][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4099.922729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.922729][ T10] netlink_rcv_skb+0x130/0x360 [ 4099.922729][ T10] netlink_unicast+0x449/0x710 [ 4099.922729][ T10] netlink_sendmsg+0x723/0xbe0 [ 4099.922729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4099.922729][ T10] ___sys_sendmsg+0xee/0x170 [ 4099.922729][ T10] __sys_sendmsg+0xcd/0x170 [ 4099.922729][ T10] do_syscall_64+0xc6/0x1e0 [ 4099.922729][ T10] [ 4099.924672][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4099.924672][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4099.924672][ T10] ipv6_find_idev+0x102/0x170 [ 4099.924672][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4099.924672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.924672][ T10] netlink_rcv_skb+0x130/0x360 [ 4099.924672][ T10] netlink_unicast+0x449/0x710 [ 4099.924672][ T10] netlink_sendmsg+0x723/0xbe0 [ 4099.924672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4099.924672][ T10] ___sys_sendmsg+0xee/0x170 [ 4099.924672][ T10] __sys_sendmsg+0xcd/0x170 [ 4099.924672][ T10] do_syscall_64+0xc6/0x1e0 [ 4099.924672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4099.924672][ T10] [ 4099.926192][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4099.926192][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4099.926192][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4099.926192][ T10] ipv6_find_idev+0x102/0x170 [ 4099.926192][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4099.926192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.926192][ T10] netlink_rcv_skb+0x130/0x360 [ 4099.926192][ T10] netlink_unicast+0x449/0x710 [ 4099.926192][ T10] netlink_sendmsg+0x723/0xbe0 [ 4099.926192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4099.926192][ T10] ___sys_sendmsg+0xee/0x170 [ 4099.926192][ T10] __sys_sendmsg+0xcd/0x170 [ 4099.926192][ T10] do_syscall_64+0xc6/0x1e0 [ 4099.926192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4099.926192][ T10] [ 4099.927939][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4099.928181][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4099.928181][ T10] netdev_get_by_index+0x5e/0x80 [ 4099.928181][ T10] fib6_nh_init+0x3d8/0x1580 [ 4099.928181][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4099.928181][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4099.928181][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4099.928181][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4099.928181][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4099.928181][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4099.928181][ T10] addrconf_dad_begin+0x310/0x670 [ 4099.928181][ T10] addrconf_dad_work+0x10b/0xab0 [ 4099.928181][ T10] process_one_work+0x84d/0x18a0 [ 4099.928181][ T10] worker_thread+0x587/0xd30 [ 4099.928181][ T10] kthread+0x28a/0x350 [ 4099.928181][ T10] ret_from_fork+0x31/0x70 [ 4099.928181][ T10] ret_from_fork_asm+0x1a/0x30 [ 4099.928181][ T10] [ 4099.930085][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4099.930085][ T10] netdev_get_by_index+0x5e/0x80 [ 4099.930085][ T10] fib6_nh_init+0x3d8/0x1580 [ 4099.930085][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4099.930085][ T10] ip6_route_add+0x1c/0x140 [ 4099.930085][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4099.930085][ T10] inet6_addr_add+0x4f8/0xa40 [ 4099.930085][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4099.930085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.930085][ T10] netlink_rcv_skb+0x130/0x360 [ 4099.930085][ T10] netlink_unicast+0x449/0x710 [ 4099.930085][ T10] netlink_sendmsg+0x723/0xbe0 [ 4099.930085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4099.930085][ T10] ___sys_sendmsg+0xee/0x170 [ 4099.930085][ T10] __sys_sendmsg+0xcd/0x170 [ 4099.930085][ T10] do_syscall_64+0xc6/0x1e0 [ 4099.930085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4099.930085][ T10] [ 4099.932243][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4099.932243][ T10] netdev_get_by_index+0x5e/0x80 [ 4099.932243][ T10] fib6_nh_init+0x3d8/0x1580 [ 4099.932243][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4099.932243][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4099.932243][ T10] ipv6_add_addr+0x411/0x2000 [ 4099.932243][ T10] inet6_addr_add+0x30e/0xa40 [ 4099.932243][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4099.932243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.932243][ T10] netlink_rcv_skb+0x130/0x360 [ 4099.932243][ T10] netlink_unicast+0x449/0x710 [ 4099.932243][ T10] netlink_sendmsg+0x723/0xbe0 [ 4099.932243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4099.932243][ T10] ___sys_sendmsg+0xee/0x170 [ 4099.932243][ T10] __sys_sendmsg+0xcd/0x170 [ 4099.932243][ T10] do_syscall_64+0xc6/0x1e0 [ 4099.932243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4099.932243][ T10] [ 4099.934521][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4099.934521][ T10] netdev_get_by_index+0x5e/0x80 [ 4099.934521][ T10] fib6_nh_init+0x3d8/0x1580 [ 4099.934521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4099.934521][ T10] ip6_route_add+0x1c/0x140 [ 4099.934521][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4099.934521][ T10] addrconf_add_dev+0xe2/0x170 [ 4099.934521][ T10] inet6_addr_add+0x12f/0xa40 [ 4099.934521][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4099.934521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.934521][ T10] netlink_rcv_skb+0x130/0x360 [ 4099.934521][ T10] netlink_unicast+0x449/0x710 [ 4099.934521][ T10] netlink_sendmsg+0x723/0xbe0 [ 4099.934521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4099.934521][ T10] ___sys_sendmsg+0xee/0x170 [ 4099.934521][ T10] __sys_sendmsg+0xcd/0x170 [ 4099.934521][ T10] do_syscall_64+0xc6/0x1e0 [ 4099.934521][ T10] [ 4099.937155][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4099.937155][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4099.937155][ T10] ipv6_find_idev+0x102/0x170 [ 4099.937155][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4099.937155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.937155][ T10] netlink_rcv_skb+0x130/0x360 [ 4099.937155][ T10] netlink_unicast+0x449/0x710 [ 4099.937155][ T10] netlink_sendmsg+0x723/0xbe0 [ 4099.937155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4099.937155][ T10] ___sys_sendmsg+0xee/0x170 [ 4099.937155][ T10] __sys_sendmsg+0xcd/0x170 [ 4099.937155][ T10] do_syscall_64+0xc6/0x1e0 [ 4099.937155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4099.937155][ T10] [ 4099.938868][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4099.938868][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4099.938868][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4099.938868][ T10] ipv6_find_idev+0x102/0x170 [ 4099.938868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4099.938868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.938868][ T10] netlink_rcv_skb+0x130/0x360 [ 4099.938868][ T10] netlink_unicast+0x449/0x710 [ 4099.938868][ T10] netlink_sendmsg+0x723/0xbe0 [ 4099.938868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4099.938868][ T10] ___sys_sendmsg+0xee/0x170 [ 4099.938868][ T10] __sys_sendmsg+0xcd/0x170 [ 4099.938868][ T10] do_syscall_64+0xc6/0x1e0 [ 4099.938868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4099.938868][ T10] [ 4099.940787][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4099.941021][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4099.941021][ T10] netdev_get_by_index+0x5e/0x80 [ 4099.941021][ T10] fib6_nh_init+0x3d8/0x1580 [ 4099.941021][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4099.941021][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4099.941021][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4099.941021][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4099.941021][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4099.941021][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4099.941021][ T10] addrconf_dad_begin+0x310/0x670 [ 4099.941021][ T10] addrconf_dad_work+0x10b/0xab0 [ 4099.941021][ T10] process_one_work+0x84d/0x18a0 [ 4099.941021][ T10] worker_thread+0x587/0xd30 [ 4099.941021][ T10] kthread+0x28a/0x350 [ 4099.941021][ T10] ret_from_fork+0x31/0x70 [ 4099.941021][ T10] ret_from_fork_asm+0x1a/0x30 [ 4099.941021][ T10] [ 4099.943210][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4099.943210][ T10] netdev_get_by_index+0x5e/0x80 [ 4099.943210][ T10] fib6_nh_init+0x3d8/0x1580 [ 4099.943210][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4099.943210][ T10] ip6_route_add+0x1c/0x140 [ 4099.943210][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4099.943210][ T10] inet6_addr_add+0x4f8/0xa40 [ 4099.943210][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4099.943210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.943210][ T10] netlink_rcv_skb+0x130/0x360 [ 4099.943210][ T10] netlink_unicast+0x449/0x710 [ 4099.943210][ T10] netlink_sendmsg+0x723/0xbe0 [ 4099.943210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4099.943210][ T10] ___sys_sendmsg+0xee/0x170 [ 4099.943210][ T10] __sys_sendmsg+0xcd/0x170 [ 4099.943210][ T10] do_syscall_64+0xc6/0x1e0 [ 4099.943210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4099.943210][ T10] [ 4099.945359][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4099.945359][ T10] netdev_get_by_index+0x5e/0x80 [ 4099.945359][ T10] fib6_nh_init+0x3d8/0x1580 [ 4099.945359][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4099.945359][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4099.945359][ T10] ipv6_add_addr+0x411/0x2000 [ 4099.945359][ T10] inet6_addr_add+0x30e/0xa40 [ 4099.945359][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4099.945359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.945359][ T10] netlink_rcv_skb+0x130/0x360 [ 4099.945359][ T10] netlink_unicast+0x449/0x710 [ 4099.945359][ T10] netlink_sendmsg+0x723/0xbe0 [ 4099.945359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4099.945359][ T10] ___sys_sendmsg+0xee/0x170 [ 4099.945359][ T10] __sys_sendmsg+0xcd/0x170 [ 4099.945359][ T10] do_syscall_64+0xc6/0x1e0 [ 4099.945359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4099.945359][ T10] [ 4099.947589][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4099.947589][ T10] netdev_get_by_index+0x5e/0x80 [ 4099.947589][ T10] fib6_nh_init+0x3d8/0x1580 [ 4099.947589][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4099.947589][ T10] ip6_route_add+0x1c/0x140 [ 4099.947589][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4099.947589][ T10] addrconf_add_dev+0xe2/0x170 [ 4099.947589][ T10] inet6_addr_add+0x12f/0xa40 [ 4099.947589][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4099.947589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.947589][ T10] netlink_rcv_skb+0x130/0x360 [ 4099.947589][ T10] netlink_unicast+0x449/0x710 [ 4099.947589][ T10] netlink_sendmsg+0x723/0xbe0 [ 4099.947589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4099.947589][ T10] ___sys_sendmsg+0xee/0x170 [ 4099.947589][ T10] __sys_sendmsg+0xcd/0x170 [ 4099.947589][ T10] do_syscall_64+0xc6/0x1e0 [ 4099.947589][ T10] [ 4099.949776][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4099.949776][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4099.949776][ T10] ipv6_find_idev+0x102/0x170 [ 4099.949776][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4099.949776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.949776][ T10] netlink_rcv_skb+0x130/0x360 [ 4099.949776][ T10] netlink_unicast+0x449/0x710 [ 4099.949776][ T10] netlink_sendmsg+0x723/0xbe0 [ 4099.949776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4099.949776][ T10] ___sys_sendmsg+0xee/0x170 [ 4099.949776][ T10] __sys_sendmsg+0xcd/0x170 [ 4099.949776][ T10] do_syscall_64+0xc6/0x1e0 [ 4099.949776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4099.949776][ T10] [ 4099.955087][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4099.955087][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4099.955087][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4099.955087][ T10] ipv6_find_idev+0x102/0x170 [ 4099.955087][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4099.955087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.955087][ T10] netlink_rcv_skb+0x130/0x360 [ 4099.955087][ T10] netlink_unicast+0x449/0x710 [ 4099.955087][ T10] netlink_sendmsg+0x723/0xbe0 [ 4099.955087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4099.955087][ T10] ___sys_sendmsg+0xee/0x170 [ 4099.955087][ T10] __sys_sendmsg+0xcd/0x170 [ 4099.955087][ T10] do_syscall_64+0xc6/0x1e0 [ 4099.955087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4099.955087][ T10] [ 4106.321070][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4106.321496][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4106.321496][ T1167] dst_init+0x84/0x4a0 [ 4106.321496][ T1167] dst_alloc+0x97/0x150 [ 4106.321496][ T1167] ip6_dst_alloc+0x23/0x90 [ 4106.321496][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4106.321496][ T1167] ip6_pol_route+0x56f/0x840 [ 4106.321496][ T1167] fib6_rule_lookup+0x334/0x630 [ 4106.321496][ T1167] ip6_route_output_flags+0x259/0x480 [ 4106.321496][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4106.321496][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4106.321496][ T1167] netlink_rcv_skb+0x130/0x360 [ 4106.321496][ T1167] netlink_unicast+0x449/0x710 [ 4106.321496][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4106.321496][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4106.321496][ T1167] ___sys_sendmsg+0xee/0x170 [ 4106.321496][ T1167] __sys_sendmsg+0xcd/0x170 [ 4106.321496][ T1167] do_syscall_64+0xc6/0x1e0 [ 4106.321496][ T1167] [ 4106.323686][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4106.323686][ T1167] netdev_get_by_index+0x5e/0x80 [ 4106.323686][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4106.323686][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4106.323686][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4106.323686][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4106.323686][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4106.323686][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4106.323686][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4106.323686][ T1167] addrconf_dad_begin+0x310/0x670 [ 4106.323686][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4106.323686][ T1167] process_one_work+0x84d/0x18a0 [ 4106.323686][ T1167] worker_thread+0x587/0xd30 [ 4106.323686][ T1167] kthread+0x28a/0x350 [ 4106.323686][ T1167] ret_from_fork+0x31/0x70 [ 4106.323686][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4106.323686][ T1167] [ 4106.329633][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4106.329633][ T1167] netdev_get_by_index+0x5e/0x80 [ 4106.329633][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4106.329633][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4106.329633][ T1167] ip6_route_add+0x1c/0x140 [ 4106.329633][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4106.329633][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4106.329633][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4106.329633][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4106.329633][ T1167] netlink_rcv_skb+0x130/0x360 [ 4106.329633][ T1167] netlink_unicast+0x449/0x710 [ 4106.329633][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4106.329633][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4106.329633][ T1167] ___sys_sendmsg+0xee/0x170 [ 4106.329633][ T1167] __sys_sendmsg+0xcd/0x170 [ 4106.329633][ T1167] do_syscall_64+0xc6/0x1e0 [ 4106.329633][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4106.329633][ T1167] [ 4106.331877][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4106.331877][ T1167] netdev_get_by_index+0x5e/0x80 [ 4106.331877][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4106.331877][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4106.331877][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4106.331877][ T1167] ipv6_add_addr+0x411/0x2000 [ 4106.331877][ T1167] inet6_addr_add+0x30e/0xa40 [ 4106.331877][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4106.331877][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4106.331877][ T1167] netlink_rcv_skb+0x130/0x360 [ 4106.331877][ T1167] netlink_unicast+0x449/0x710 [ 4106.331877][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4106.331877][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4106.331877][ T1167] ___sys_sendmsg+0xee/0x170 [ 4106.331877][ T1167] __sys_sendmsg+0xcd/0x170 [ 4106.331877][ T1167] do_syscall_64+0xc6/0x1e0 [ 4106.331877][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4106.331877][ T1167] [ 4106.334120][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4106.334120][ T1167] netdev_get_by_index+0x5e/0x80 [ 4106.334120][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4106.334120][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4106.334120][ T1167] ip6_route_add+0x1c/0x140 [ 4106.334120][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4106.334120][ T1167] addrconf_add_dev+0xe2/0x170 [ 4106.334120][ T1167] inet6_addr_add+0x12f/0xa40 [ 4106.334120][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4106.334120][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4106.334120][ T1167] netlink_rcv_skb+0x130/0x360 [ 4106.334120][ T1167] netlink_unicast+0x449/0x710 [ 4106.334120][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4106.334120][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4106.334120][ T1167] ___sys_sendmsg+0xee/0x170 [ 4106.334120][ T1167] __sys_sendmsg+0xcd/0x170 [ 4106.334120][ T1167] do_syscall_64+0xc6/0x1e0 [ 4106.334120][ T1167] [ 4106.336332][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4106.336332][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4106.336332][ T1167] ipv6_find_idev+0x102/0x170 [ 4106.336332][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4106.336332][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4106.336332][ T1167] netlink_rcv_skb+0x130/0x360 [ 4106.336332][ T1167] netlink_unicast+0x449/0x710 [ 4106.336332][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4106.336332][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4106.336332][ T1167] ___sys_sendmsg+0xee/0x170 [ 4106.336332][ T1167] __sys_sendmsg+0xcd/0x170 [ 4106.336332][ T1167] do_syscall_64+0xc6/0x1e0 [ 4106.336332][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4106.336332][ T1167] [ 4106.338075][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4106.338075][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4106.338075][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4106.338075][ T1167] ipv6_find_idev+0x102/0x170 [ 4106.338075][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4106.338075][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4106.338075][ T1167] netlink_rcv_skb+0x130/0x360 [ 4106.338075][ T1167] netlink_unicast+0x449/0x710 [ 4106.338075][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4106.338075][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4106.338075][ T1167] ___sys_sendmsg+0xee/0x170 [ 4106.338075][ T1167] __sys_sendmsg+0xcd/0x170 [ 4106.338075][ T1167] do_syscall_64+0xc6/0x1e0 [ 4106.338075][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4106.338075][ T1167] [ 4110.209044][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4110.209387][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4110.209387][ T10] netdev_get_by_index+0x5e/0x80 [ 4110.209387][ T10] fib6_nh_init+0x3d8/0x1580 [ 4110.209387][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4110.209387][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4110.209387][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4110.209387][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4110.209387][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4110.209387][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4110.209387][ T10] addrconf_dad_begin+0x310/0x670 [ 4110.209387][ T10] addrconf_dad_work+0x10b/0xab0 [ 4110.209387][ T10] process_one_work+0x84d/0x18a0 [ 4110.209387][ T10] worker_thread+0x587/0xd30 [ 4110.209387][ T10] kthread+0x28a/0x350 [ 4110.209387][ T10] ret_from_fork+0x31/0x70 [ 4110.209387][ T10] ret_from_fork_asm+0x1a/0x30 [ 4110.209387][ T10] [ 4110.211297][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4110.211297][ T10] netdev_get_by_index+0x5e/0x80 [ 4110.211297][ T10] fib6_nh_init+0x3d8/0x1580 [ 4110.211297][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4110.211297][ T10] ip6_route_add+0x1c/0x140 [ 4110.211297][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4110.211297][ T10] inet6_addr_add+0x4f8/0xa40 [ 4110.211297][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4110.211297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.211297][ T10] netlink_rcv_skb+0x130/0x360 [ 4110.211297][ T10] netlink_unicast+0x449/0x710 [ 4110.211297][ T10] netlink_sendmsg+0x723/0xbe0 [ 4110.211297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4110.211297][ T10] ___sys_sendmsg+0xee/0x170 [ 4110.211297][ T10] __sys_sendmsg+0xcd/0x170 [ 4110.211297][ T10] do_syscall_64+0xc6/0x1e0 [ 4110.211297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4110.211297][ T10] [ 4110.213313][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4110.213313][ T10] netdev_get_by_index+0x5e/0x80 [ 4110.213313][ T10] fib6_nh_init+0x3d8/0x1580 [ 4110.213313][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4110.213313][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4110.213313][ T10] ipv6_add_addr+0x411/0x2000 [ 4110.213313][ T10] inet6_addr_add+0x30e/0xa40 [ 4110.213313][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4110.213313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.213313][ T10] netlink_rcv_skb+0x130/0x360 [ 4110.213313][ T10] netlink_unicast+0x449/0x710 [ 4110.213313][ T10] netlink_sendmsg+0x723/0xbe0 [ 4110.213313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4110.213313][ T10] ___sys_sendmsg+0xee/0x170 [ 4110.213313][ T10] __sys_sendmsg+0xcd/0x170 [ 4110.213313][ T10] do_syscall_64+0xc6/0x1e0 [ 4110.213313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4110.213313][ T10] [ 4110.215310][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4110.215310][ T10] netdev_get_by_index+0x5e/0x80 [ 4110.215310][ T10] fib6_nh_init+0x3d8/0x1580 [ 4110.215310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4110.215310][ T10] ip6_route_add+0x1c/0x140 [ 4110.215310][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4110.215310][ T10] addrconf_add_dev+0xe2/0x170 [ 4110.215310][ T10] inet6_addr_add+0x12f/0xa40 [ 4110.215310][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4110.215310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.215310][ T10] netlink_rcv_skb+0x130/0x360 [ 4110.215310][ T10] netlink_unicast+0x449/0x710 [ 4110.215310][ T10] netlink_sendmsg+0x723/0xbe0 [ 4110.215310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4110.215310][ T10] ___sys_sendmsg+0xee/0x170 [ 4110.215310][ T10] __sys_sendmsg+0xcd/0x170 [ 4110.215310][ T10] do_syscall_64+0xc6/0x1e0 [ 4110.215310][ T10] [ 4110.217280][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4110.217280][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4110.217280][ T10] ipv6_find_idev+0x102/0x170 [ 4110.217280][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4110.217280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.217280][ T10] netlink_rcv_skb+0x130/0x360 [ 4110.217280][ T10] netlink_unicast+0x449/0x710 [ 4110.217280][ T10] netlink_sendmsg+0x723/0xbe0 [ 4110.217280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4110.217280][ T10] ___sys_sendmsg+0xee/0x170 [ 4110.217280][ T10] __sys_sendmsg+0xcd/0x170 [ 4110.217280][ T10] do_syscall_64+0xc6/0x1e0 [ 4110.217280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4110.217280][ T10] [ 4110.218817][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4110.218817][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4110.218817][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4110.218817][ T10] ipv6_find_idev+0x102/0x170 [ 4110.218817][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4110.218817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.218817][ T10] netlink_rcv_skb+0x130/0x360 [ 4110.218817][ T10] netlink_unicast+0x449/0x710 [ 4110.218817][ T10] netlink_sendmsg+0x723/0xbe0 [ 4110.218817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4110.218817][ T10] ___sys_sendmsg+0xee/0x170 [ 4110.218817][ T10] __sys_sendmsg+0xcd/0x170 [ 4110.218817][ T10] do_syscall_64+0xc6/0x1e0 [ 4110.218817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4110.218817][ T10] [ 4110.220489][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4110.220735][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4110.220735][ T10] netdev_get_by_index+0x5e/0x80 [ 4110.220735][ T10] fib6_nh_init+0x3d8/0x1580 [ 4110.220735][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4110.220735][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4110.220735][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4110.220735][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4110.220735][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4110.220735][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4110.220735][ T10] addrconf_dad_begin+0x310/0x670 [ 4110.220735][ T10] addrconf_dad_work+0x10b/0xab0 [ 4110.220735][ T10] process_one_work+0x84d/0x18a0 [ 4110.220735][ T10] worker_thread+0x587/0xd30 [ 4110.220735][ T10] kthread+0x28a/0x350 [ 4110.220735][ T10] ret_from_fork+0x31/0x70 [ 4110.220735][ T10] ret_from_fork_asm+0x1a/0x30 [ 4110.220735][ T10] [ 4110.222628][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4110.222628][ T10] netdev_get_by_index+0x5e/0x80 [ 4110.222628][ T10] fib6_nh_init+0x3d8/0x1580 [ 4110.222628][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4110.222628][ T10] ip6_route_add+0x1c/0x140 [ 4110.222628][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4110.222628][ T10] inet6_addr_add+0x4f8/0xa40 [ 4110.222628][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4110.222628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.222628][ T10] netlink_rcv_skb+0x130/0x360 [ 4110.222628][ T10] netlink_unicast+0x449/0x710 [ 4110.222628][ T10] netlink_sendmsg+0x723/0xbe0 [ 4110.222628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4110.222628][ T10] ___sys_sendmsg+0xee/0x170 [ 4110.222628][ T10] __sys_sendmsg+0xcd/0x170 [ 4110.222628][ T10] do_syscall_64+0xc6/0x1e0 [ 4110.222628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4110.222628][ T10] [ 4110.224606][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4110.224606][ T10] netdev_get_by_index+0x5e/0x80 [ 4110.224606][ T10] fib6_nh_init+0x3d8/0x1580 [ 4110.224606][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4110.224606][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4110.224606][ T10] ipv6_add_addr+0x411/0x2000 [ 4110.224606][ T10] inet6_addr_add+0x30e/0xa40 [ 4110.224606][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4110.224606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.224606][ T10] netlink_rcv_skb+0x130/0x360 [ 4110.224606][ T10] netlink_unicast+0x449/0x710 [ 4110.224606][ T10] netlink_sendmsg+0x723/0xbe0 [ 4110.224606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4110.224606][ T10] ___sys_sendmsg+0xee/0x170 [ 4110.224606][ T10] __sys_sendmsg+0xcd/0x170 [ 4110.224606][ T10] do_syscall_64+0xc6/0x1e0 [ 4110.224606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4110.224606][ T10] [ 4110.226592][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4110.226592][ T10] netdev_get_by_index+0x5e/0x80 [ 4110.226592][ T10] fib6_nh_init+0x3d8/0x1580 [ 4110.226592][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4110.226592][ T10] ip6_route_add+0x1c/0x140 [ 4110.226592][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4110.226592][ T10] addrconf_add_dev+0xe2/0x170 [ 4110.226592][ T10] inet6_addr_add+0x12f/0xa40 [ 4110.226592][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4110.226592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.226592][ T10] netlink_rcv_skb+0x130/0x360 [ 4110.226592][ T10] netlink_unicast+0x449/0x710 [ 4110.226592][ T10] netlink_sendmsg+0x723/0xbe0 [ 4110.226592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4110.226592][ T10] ___sys_sendmsg+0xee/0x170 [ 4110.226592][ T10] __sys_sendmsg+0xcd/0x170 [ 4110.226592][ T10] do_syscall_64+0xc6/0x1e0 [ 4110.226592][ T10] [ 4110.228553][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4110.228553][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4110.228553][ T10] ipv6_find_idev+0x102/0x170 [ 4110.228553][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4110.228553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.228553][ T10] netlink_rcv_skb+0x130/0x360 [ 4110.228553][ T10] netlink_unicast+0x449/0x710 [ 4110.228553][ T10] netlink_sendmsg+0x723/0xbe0 [ 4110.228553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4110.228553][ T10] ___sys_sendmsg+0xee/0x170 [ 4110.228553][ T10] __sys_sendmsg+0xcd/0x170 [ 4110.228553][ T10] do_syscall_64+0xc6/0x1e0 [ 4110.228553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4110.228553][ T10] [ 4110.230093][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4110.230093][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4110.230093][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4110.230093][ T10] ipv6_find_idev+0x102/0x170 [ 4110.230093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4110.230093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.230093][ T10] netlink_rcv_skb+0x130/0x360 [ 4110.230093][ T10] netlink_unicast+0x449/0x710 [ 4110.230093][ T10] netlink_sendmsg+0x723/0xbe0 [ 4110.230093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4110.230093][ T10] ___sys_sendmsg+0xee/0x170 [ 4110.230093][ T10] __sys_sendmsg+0xcd/0x170 [ 4110.230093][ T10] do_syscall_64+0xc6/0x1e0 [ 4110.230093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4110.230093][ T10] [ 4110.231755][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4110.231988][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4110.231988][ T10] netdev_get_by_index+0x5e/0x80 [ 4110.231988][ T10] fib6_nh_init+0x3d8/0x1580 [ 4110.231988][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4110.231988][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4110.231988][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4110.231988][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4110.231988][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4110.231988][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4110.231988][ T10] addrconf_dad_begin+0x310/0x670 [ 4110.231988][ T10] addrconf_dad_work+0x10b/0xab0 [ 4110.231988][ T10] process_one_work+0x84d/0x18a0 [ 4110.231988][ T10] worker_thread+0x587/0xd30 [ 4110.231988][ T10] kthread+0x28a/0x350 [ 4110.231988][ T10] ret_from_fork+0x31/0x70 [ 4110.231988][ T10] ret_from_fork_asm+0x1a/0x30 [ 4110.231988][ T10] [ 4110.233876][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4110.233876][ T10] netdev_get_by_index+0x5e/0x80 [ 4110.233876][ T10] fib6_nh_init+0x3d8/0x1580 [ 4110.233876][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4110.233876][ T10] ip6_route_add+0x1c/0x140 [ 4110.233876][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4110.233876][ T10] inet6_addr_add+0x4f8/0xa40 [ 4110.233876][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4110.233876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.233876][ T10] netlink_rcv_skb+0x130/0x360 [ 4110.233876][ T10] netlink_unicast+0x449/0x710 [ 4110.233876][ T10] netlink_sendmsg+0x723/0xbe0 [ 4110.233876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4110.233876][ T10] ___sys_sendmsg+0xee/0x170 [ 4110.233876][ T10] __sys_sendmsg+0xcd/0x170 [ 4110.233876][ T10] do_syscall_64+0xc6/0x1e0 [ 4110.233876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4110.233876][ T10] [ 4110.236054][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4110.236054][ T10] netdev_get_by_index+0x5e/0x80 [ 4110.236054][ T10] fib6_nh_init+0x3d8/0x1580 [ 4110.236054][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4110.236054][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4110.236054][ T10] ipv6_add_addr+0x411/0x2000 [ 4110.236054][ T10] inet6_addr_add+0x30e/0xa40 [ 4110.236054][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4110.236054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.236054][ T10] netlink_rcv_skb+0x130/0x360 [ 4110.236054][ T10] netlink_unicast+0x449/0x710 [ 4110.236054][ T10] netlink_sendmsg+0x723/0xbe0 [ 4110.236054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4110.236054][ T10] ___sys_sendmsg+0xee/0x170 [ 4110.236054][ T10] __sys_sendmsg+0xcd/0x170 [ 4110.236054][ T10] do_syscall_64+0xc6/0x1e0 [ 4110.236054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4110.236054][ T10] [ 4110.238343][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4110.238343][ T10] netdev_get_by_index+0x5e/0x80 [ 4110.238343][ T10] fib6_nh_init+0x3d8/0x1580 [ 4110.238343][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4110.238343][ T10] ip6_route_add+0x1c/0x140 [ 4110.238343][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4110.238343][ T10] addrconf_add_dev+0xe2/0x170 [ 4110.238343][ T10] inet6_addr_add+0x12f/0xa40 [ 4110.238343][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4110.238343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.238343][ T10] netlink_rcv_skb+0x130/0x360 [ 4110.238343][ T10] netlink_unicast+0x449/0x710 [ 4110.238343][ T10] netlink_sendmsg+0x723/0xbe0 [ 4110.238343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4110.238343][ T10] ___sys_sendmsg+0xee/0x170 [ 4110.238343][ T10] __sys_sendmsg+0xcd/0x170 [ 4110.238343][ T10] do_syscall_64+0xc6/0x1e0 [ 4110.238343][ T10] [ 4110.240540][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4110.240540][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4110.240540][ T10] ipv6_find_idev+0x102/0x170 [ 4110.240540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4110.240540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.240540][ T10] netlink_rcv_skb+0x130/0x360 [ 4110.240540][ T10] netlink_unicast+0x449/0x710 [ 4110.240540][ T10] netlink_sendmsg+0x723/0xbe0 [ 4110.240540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4110.240540][ T10] ___sys_sendmsg+0xee/0x170 [ 4110.240540][ T10] __sys_sendmsg+0xcd/0x170 [ 4110.240540][ T10] do_syscall_64+0xc6/0x1e0 [ 4110.240540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4110.240540][ T10] [ 4110.242245][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4110.242245][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4110.242245][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4110.242245][ T10] ipv6_find_idev+0x102/0x170 [ 4110.242245][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4110.242245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.242245][ T10] netlink_rcv_skb+0x130/0x360 [ 4110.242245][ T10] netlink_unicast+0x449/0x710 [ 4110.242245][ T10] netlink_sendmsg+0x723/0xbe0 [ 4110.242245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4110.242245][ T10] ___sys_sendmsg+0xee/0x170 [ 4110.242245][ T10] __sys_sendmsg+0xcd/0x170 [ 4110.242245][ T10] do_syscall_64+0xc6/0x1e0 [ 4110.242245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4110.242245][ T10] [ 4110.244094][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4110.244331][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4110.244331][ T10] netdev_get_by_index+0x5e/0x80 [ 4110.244331][ T10] fib6_nh_init+0x3d8/0x1580 [ 4110.244331][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4110.244331][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4110.244331][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4110.244331][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4110.244331][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4110.244331][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4110.244331][ T10] addrconf_dad_begin+0x310/0x670 [ 4110.244331][ T10] addrconf_dad_work+0x10b/0xab0 [ 4110.244331][ T10] process_one_work+0x84d/0x18a0 [ 4110.244331][ T10] worker_thread+0x587/0xd30 [ 4110.244331][ T10] kthread+0x28a/0x350 [ 4110.244331][ T10] ret_from_fork+0x31/0x70 [ 4110.244331][ T10] ret_from_fork_asm+0x1a/0x30 [ 4110.244331][ T10] [ 4110.246540][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4110.246540][ T10] netdev_get_by_index+0x5e/0x80 [ 4110.246540][ T10] fib6_nh_init+0x3d8/0x1580 [ 4110.246540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4110.246540][ T10] ip6_route_add+0x1c/0x140 [ 4110.246540][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4110.246540][ T10] inet6_addr_add+0x4f8/0xa40 [ 4110.246540][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4110.246540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.246540][ T10] netlink_rcv_skb+0x130/0x360 [ 4110.246540][ T10] netlink_unicast+0x449/0x710 [ 4110.246540][ T10] netlink_sendmsg+0x723/0xbe0 [ 4110.246540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4110.246540][ T10] ___sys_sendmsg+0xee/0x170 [ 4110.246540][ T10] __sys_sendmsg+0xcd/0x170 [ 4110.246540][ T10] do_syscall_64+0xc6/0x1e0 [ 4110.246540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4110.246540][ T10] [ 4110.248769][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4110.248769][ T10] netdev_get_by_index+0x5e/0x80 [ 4110.248769][ T10] fib6_nh_init+0x3d8/0x1580 [ 4110.248769][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4110.248769][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4110.248769][ T10] ipv6_add_addr+0x411/0x2000 [ 4110.248769][ T10] inet6_addr_add+0x30e/0xa40 [ 4110.248769][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4110.248769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.248769][ T10] netlink_rcv_skb+0x130/0x360 [ 4110.248769][ T10] netlink_unicast+0x449/0x710 [ 4110.248769][ T10] netlink_sendmsg+0x723/0xbe0 [ 4110.248769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4110.248769][ T10] ___sys_sendmsg+0xee/0x170 [ 4110.248769][ T10] __sys_sendmsg+0xcd/0x170 [ 4110.248769][ T10] do_syscall_64+0xc6/0x1e0 [ 4110.248769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4110.248769][ T10] [ 4110.250927][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4110.250927][ T10] netdev_get_by_index+0x5e/0x80 [ 4110.250927][ T10] fib6_nh_init+0x3d8/0x1580 [ 4110.250927][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4110.250927][ T10] ip6_route_add+0x1c/0x140 [ 4110.250927][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4110.250927][ T10] addrconf_add_dev+0xe2/0x170 [ 4110.250927][ T10] inet6_addr_add+0x12f/0xa40 [ 4110.250927][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4110.250927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.250927][ T10] netlink_rcv_skb+0x130/0x360 [ 4110.250927][ T10] netlink_unicast+0x449/0x710 [ 4110.250927][ T10] netlink_sendmsg+0x723/0xbe0 [ 4110.250927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4110.250927][ T10] ___sys_sendmsg+0xee/0x170 [ 4110.250927][ T10] __sys_sendmsg+0xcd/0x170 [ 4110.250927][ T10] do_syscall_64+0xc6/0x1e0 [ 4110.250927][ T10] [ 4110.253115][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4110.253115][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4110.253115][ T10] ipv6_find_idev+0x102/0x170 [ 4110.253115][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4110.253115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.253115][ T10] netlink_rcv_skb+0x130/0x360 [ 4110.253115][ T10] netlink_unicast+0x449/0x710 [ 4110.253115][ T10] netlink_sendmsg+0x723/0xbe0 [ 4110.253115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4110.253115][ T10] ___sys_sendmsg+0xee/0x170 [ 4110.253115][ T10] __sys_sendmsg+0xcd/0x170 [ 4110.253115][ T10] do_syscall_64+0xc6/0x1e0 [ 4110.253115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4110.253115][ T10] [ 4110.254846][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4110.254846][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4110.254846][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4110.254846][ T10] ipv6_find_idev+0x102/0x170 [ 4110.254846][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4110.254846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.254846][ T10] netlink_rcv_skb+0x130/0x360 [ 4110.254846][ T10] netlink_unicast+0x449/0x710 [ 4110.254846][ T10] netlink_sendmsg+0x723/0xbe0 [ 4110.254846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4110.254846][ T10] ___sys_sendmsg+0xee/0x170 [ 4110.254846][ T10] __sys_sendmsg+0xcd/0x170 [ 4110.254846][ T10] do_syscall_64+0xc6/0x1e0 [ 4110.254846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4110.254846][ T10] [ 4116.593043][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4116.593468][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4116.593468][ T1167] dst_init+0x84/0x4a0 [ 4116.593468][ T1167] dst_alloc+0x97/0x150 [ 4116.593468][ T1167] ip6_dst_alloc+0x23/0x90 [ 4116.593468][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4116.593468][ T1167] ip6_pol_route+0x56f/0x840 [ 4116.593468][ T1167] fib6_rule_lookup+0x334/0x630 [ 4116.593468][ T1167] ip6_route_output_flags+0x259/0x480 [ 4116.593468][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4116.593468][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4116.593468][ T1167] netlink_rcv_skb+0x130/0x360 [ 4116.593468][ T1167] netlink_unicast+0x449/0x710 [ 4116.593468][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4116.593468][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4116.593468][ T1167] ___sys_sendmsg+0xee/0x170 [ 4116.593468][ T1167] __sys_sendmsg+0xcd/0x170 [ 4116.593468][ T1167] do_syscall_64+0xc6/0x1e0 [ 4116.593468][ T1167] [ 4116.595687][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4116.595687][ T1167] netdev_get_by_index+0x5e/0x80 [ 4116.595687][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4116.595687][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4116.595687][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4116.595687][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4116.595687][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4116.595687][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4116.595687][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4116.595687][ T1167] addrconf_dad_begin+0x310/0x670 [ 4116.595687][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4116.595687][ T1167] process_one_work+0x84d/0x18a0 [ 4116.595687][ T1167] worker_thread+0x587/0xd30 [ 4116.595687][ T1167] kthread+0x28a/0x350 [ 4116.595687][ T1167] ret_from_fork+0x31/0x70 [ 4116.595687][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4116.595687][ T1167] [ 4116.597855][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4116.597855][ T1167] netdev_get_by_index+0x5e/0x80 [ 4116.597855][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4116.597855][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4116.597855][ T1167] ip6_route_add+0x1c/0x140 [ 4116.597855][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4116.597855][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4116.597855][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4116.597855][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4116.597855][ T1167] netlink_rcv_skb+0x130/0x360 [ 4116.597855][ T1167] netlink_unicast+0x449/0x710 [ 4116.597855][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4116.597855][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4116.597855][ T1167] ___sys_sendmsg+0xee/0x170 [ 4116.597855][ T1167] __sys_sendmsg+0xcd/0x170 [ 4116.597855][ T1167] do_syscall_64+0xc6/0x1e0 [ 4116.597855][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4116.597855][ T1167] [ 4116.600096][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4116.600096][ T1167] netdev_get_by_index+0x5e/0x80 [ 4116.600096][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4116.600096][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4116.600096][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4116.600096][ T1167] ipv6_add_addr+0x411/0x2000 [ 4116.600096][ T1167] inet6_addr_add+0x30e/0xa40 [ 4116.600096][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4116.600096][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4116.600096][ T1167] netlink_rcv_skb+0x130/0x360 [ 4116.600096][ T1167] netlink_unicast+0x449/0x710 [ 4116.600096][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4116.600096][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4116.600096][ T1167] ___sys_sendmsg+0xee/0x170 [ 4116.600096][ T1167] __sys_sendmsg+0xcd/0x170 [ 4116.600096][ T1167] do_syscall_64+0xc6/0x1e0 [ 4116.600096][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4116.600096][ T1167] [ 4116.602344][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4116.602344][ T1167] netdev_get_by_index+0x5e/0x80 [ 4116.602344][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4116.602344][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4116.602344][ T1167] ip6_route_add+0x1c/0x140 [ 4116.602344][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4116.602344][ T1167] addrconf_add_dev+0xe2/0x170 [ 4116.602344][ T1167] inet6_addr_add+0x12f/0xa40 [ 4116.602344][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4116.602344][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4116.602344][ T1167] netlink_rcv_skb+0x130/0x360 [ 4116.602344][ T1167] netlink_unicast+0x449/0x710 [ 4116.602344][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4116.602344][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4116.602344][ T1167] ___sys_sendmsg+0xee/0x170 [ 4116.602344][ T1167] __sys_sendmsg+0xcd/0x170 [ 4116.602344][ T1167] do_syscall_64+0xc6/0x1e0 [ 4116.602344][ T1167] [ 4116.604551][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4116.604551][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4116.604551][ T1167] ipv6_find_idev+0x102/0x170 [ 4116.604551][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4116.604551][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4116.604551][ T1167] netlink_rcv_skb+0x130/0x360 [ 4116.604551][ T1167] netlink_unicast+0x449/0x710 [ 4116.604551][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4116.604551][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4116.604551][ T1167] ___sys_sendmsg+0xee/0x170 [ 4116.604551][ T1167] __sys_sendmsg+0xcd/0x170 [ 4116.604551][ T1167] do_syscall_64+0xc6/0x1e0 [ 4116.604551][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4116.604551][ T1167] [ 4116.606271][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4116.606271][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4116.606271][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4116.606271][ T1167] ipv6_find_idev+0x102/0x170 [ 4116.606271][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4116.606271][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4116.606271][ T1167] netlink_rcv_skb+0x130/0x360 [ 4116.606271][ T1167] netlink_unicast+0x449/0x710 [ 4116.606271][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4116.606271][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4116.606271][ T1167] ___sys_sendmsg+0xee/0x170 [ 4116.606271][ T1167] __sys_sendmsg+0xcd/0x170 [ 4116.606271][ T1167] do_syscall_64+0xc6/0x1e0 [ 4116.606271][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4116.606271][ T1167] [ 4120.497180][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4120.497604][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4120.497604][ T10] netdev_get_by_index+0x5e/0x80 [ 4120.497604][ T10] fib6_nh_init+0x3d8/0x1580 [ 4120.497604][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4120.497604][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4120.497604][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4120.497604][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4120.497604][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4120.497604][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4120.497604][ T10] addrconf_dad_begin+0x310/0x670 [ 4120.497604][ T10] addrconf_dad_work+0x10b/0xab0 [ 4120.497604][ T10] process_one_work+0x84d/0x18a0 [ 4120.497604][ T10] worker_thread+0x587/0xd30 [ 4120.497604][ T10] kthread+0x28a/0x350 [ 4120.497604][ T10] ret_from_fork+0x31/0x70 [ 4120.497604][ T10] ret_from_fork_asm+0x1a/0x30 [ 4120.497604][ T10] [ 4120.499546][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4120.499546][ T10] netdev_get_by_index+0x5e/0x80 [ 4120.499546][ T10] fib6_nh_init+0x3d8/0x1580 [ 4120.499546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4120.499546][ T10] ip6_route_add+0x1c/0x140 [ 4120.499546][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4120.499546][ T10] inet6_addr_add+0x4f8/0xa40 [ 4120.499546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4120.499546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.499546][ T10] netlink_rcv_skb+0x130/0x360 [ 4120.499546][ T10] netlink_unicast+0x449/0x710 [ 4120.499546][ T10] netlink_sendmsg+0x723/0xbe0 [ 4120.499546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4120.499546][ T10] ___sys_sendmsg+0xee/0x170 [ 4120.499546][ T10] __sys_sendmsg+0xcd/0x170 [ 4120.499546][ T10] do_syscall_64+0xc6/0x1e0 [ 4120.499546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4120.499546][ T10] [ 4120.501534][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4120.501534][ T10] netdev_get_by_index+0x5e/0x80 [ 4120.501534][ T10] fib6_nh_init+0x3d8/0x1580 [ 4120.501534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4120.501534][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4120.501534][ T10] ipv6_add_addr+0x411/0x2000 [ 4120.501534][ T10] inet6_addr_add+0x30e/0xa40 [ 4120.501534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4120.501534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.501534][ T10] netlink_rcv_skb+0x130/0x360 [ 4120.501534][ T10] netlink_unicast+0x449/0x710 [ 4120.501534][ T10] netlink_sendmsg+0x723/0xbe0 [ 4120.501534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4120.501534][ T10] ___sys_sendmsg+0xee/0x170 [ 4120.501534][ T10] __sys_sendmsg+0xcd/0x170 [ 4120.501534][ T10] do_syscall_64+0xc6/0x1e0 [ 4120.501534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4120.501534][ T10] [ 4120.503526][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4120.503526][ T10] netdev_get_by_index+0x5e/0x80 [ 4120.503526][ T10] fib6_nh_init+0x3d8/0x1580 [ 4120.503526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4120.503526][ T10] ip6_route_add+0x1c/0x140 [ 4120.503526][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4120.503526][ T10] addrconf_add_dev+0xe2/0x170 [ 4120.503526][ T10] inet6_addr_add+0x12f/0xa40 [ 4120.503526][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4120.503526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.503526][ T10] netlink_rcv_skb+0x130/0x360 [ 4120.503526][ T10] netlink_unicast+0x449/0x710 [ 4120.503526][ T10] netlink_sendmsg+0x723/0xbe0 [ 4120.503526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4120.503526][ T10] ___sys_sendmsg+0xee/0x170 [ 4120.503526][ T10] __sys_sendmsg+0xcd/0x170 [ 4120.503526][ T10] do_syscall_64+0xc6/0x1e0 [ 4120.503526][ T10] [ 4120.505469][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4120.505469][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4120.505469][ T10] ipv6_find_idev+0x102/0x170 [ 4120.505469][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4120.505469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.505469][ T10] netlink_rcv_skb+0x130/0x360 [ 4120.505469][ T10] netlink_unicast+0x449/0x710 [ 4120.505469][ T10] netlink_sendmsg+0x723/0xbe0 [ 4120.505469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4120.505469][ T10] ___sys_sendmsg+0xee/0x170 [ 4120.505469][ T10] __sys_sendmsg+0xcd/0x170 [ 4120.505469][ T10] do_syscall_64+0xc6/0x1e0 [ 4120.505469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4120.505469][ T10] [ 4120.506994][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4120.506994][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4120.506994][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4120.506994][ T10] ipv6_find_idev+0x102/0x170 [ 4120.506994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4120.506994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.506994][ T10] netlink_rcv_skb+0x130/0x360 [ 4120.506994][ T10] netlink_unicast+0x449/0x710 [ 4120.506994][ T10] netlink_sendmsg+0x723/0xbe0 [ 4120.506994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4120.506994][ T10] ___sys_sendmsg+0xee/0x170 [ 4120.506994][ T10] __sys_sendmsg+0xcd/0x170 [ 4120.506994][ T10] do_syscall_64+0xc6/0x1e0 [ 4120.506994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4120.506994][ T10] [ 4120.508673][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4120.508946][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4120.508946][ T10] netdev_get_by_index+0x5e/0x80 [ 4120.508946][ T10] fib6_nh_init+0x3d8/0x1580 [ 4120.508946][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4120.508946][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4120.508946][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4120.508946][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4120.508946][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4120.508946][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4120.508946][ T10] addrconf_dad_begin+0x310/0x670 [ 4120.508946][ T10] addrconf_dad_work+0x10b/0xab0 [ 4120.508946][ T10] process_one_work+0x84d/0x18a0 [ 4120.508946][ T10] worker_thread+0x587/0xd30 [ 4120.508946][ T10] kthread+0x28a/0x350 [ 4120.508946][ T10] ret_from_fork+0x31/0x70 [ 4120.508946][ T10] ret_from_fork_asm+0x1a/0x30 [ 4120.508946][ T10] [ 4120.510839][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4120.510839][ T10] netdev_get_by_index+0x5e/0x80 [ 4120.510839][ T10] fib6_nh_init+0x3d8/0x1580 [ 4120.510839][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4120.510839][ T10] ip6_route_add+0x1c/0x140 [ 4120.510839][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4120.510839][ T10] inet6_addr_add+0x4f8/0xa40 [ 4120.510839][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4120.510839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.510839][ T10] netlink_rcv_skb+0x130/0x360 [ 4120.510839][ T10] netlink_unicast+0x449/0x710 [ 4120.510839][ T10] netlink_sendmsg+0x723/0xbe0 [ 4120.510839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4120.510839][ T10] ___sys_sendmsg+0xee/0x170 [ 4120.510839][ T10] __sys_sendmsg+0xcd/0x170 [ 4120.510839][ T10] do_syscall_64+0xc6/0x1e0 [ 4120.510839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4120.510839][ T10] [ 4120.512821][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4120.512821][ T10] netdev_get_by_index+0x5e/0x80 [ 4120.512821][ T10] fib6_nh_init+0x3d8/0x1580 [ 4120.512821][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4120.512821][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4120.512821][ T10] ipv6_add_addr+0x411/0x2000 [ 4120.512821][ T10] inet6_addr_add+0x30e/0xa40 [ 4120.512821][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4120.512821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.512821][ T10] netlink_rcv_skb+0x130/0x360 [ 4120.512821][ T10] netlink_unicast+0x449/0x710 [ 4120.512821][ T10] netlink_sendmsg+0x723/0xbe0 [ 4120.512821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4120.512821][ T10] ___sys_sendmsg+0xee/0x170 [ 4120.512821][ T10] __sys_sendmsg+0xcd/0x170 [ 4120.512821][ T10] do_syscall_64+0xc6/0x1e0 [ 4120.512821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4120.512821][ T10] [ 4120.514831][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4120.514831][ T10] netdev_get_by_index+0x5e/0x80 [ 4120.514831][ T10] fib6_nh_init+0x3d8/0x1580 [ 4120.514831][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4120.514831][ T10] ip6_route_add+0x1c/0x140 [ 4120.514831][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4120.514831][ T10] addrconf_add_dev+0xe2/0x170 [ 4120.514831][ T10] inet6_addr_add+0x12f/0xa40 [ 4120.514831][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4120.514831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.514831][ T10] netlink_rcv_skb+0x130/0x360 [ 4120.514831][ T10] netlink_unicast+0x449/0x710 [ 4120.514831][ T10] netlink_sendmsg+0x723/0xbe0 [ 4120.514831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4120.514831][ T10] ___sys_sendmsg+0xee/0x170 [ 4120.514831][ T10] __sys_sendmsg+0xcd/0x170 [ 4120.514831][ T10] do_syscall_64+0xc6/0x1e0 [ 4120.514831][ T10] [ 4120.516782][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4120.516782][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4120.516782][ T10] ipv6_find_idev+0x102/0x170 [ 4120.516782][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4120.516782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.516782][ T10] netlink_rcv_skb+0x130/0x360 [ 4120.516782][ T10] netlink_unicast+0x449/0x710 [ 4120.516782][ T10] netlink_sendmsg+0x723/0xbe0 [ 4120.516782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4120.516782][ T10] ___sys_sendmsg+0xee/0x170 [ 4120.516782][ T10] __sys_sendmsg+0xcd/0x170 [ 4120.516782][ T10] do_syscall_64+0xc6/0x1e0 [ 4120.516782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4120.516782][ T10] [ 4120.518305][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4120.518305][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4120.518305][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4120.518305][ T10] ipv6_find_idev+0x102/0x170 [ 4120.518305][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4120.518305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.518305][ T10] netlink_rcv_skb+0x130/0x360 [ 4120.518305][ T10] netlink_unicast+0x449/0x710 [ 4120.518305][ T10] netlink_sendmsg+0x723/0xbe0 [ 4120.518305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4120.518305][ T10] ___sys_sendmsg+0xee/0x170 [ 4120.518305][ T10] __sys_sendmsg+0xcd/0x170 [ 4120.518305][ T10] do_syscall_64+0xc6/0x1e0 [ 4120.518305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4120.518305][ T10] [ 4120.520022][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4120.520269][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4120.520269][ T10] netdev_get_by_index+0x5e/0x80 [ 4120.520269][ T10] fib6_nh_init+0x3d8/0x1580 [ 4120.520269][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4120.520269][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4120.520269][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4120.520269][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4120.520269][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4120.520269][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4120.520269][ T10] addrconf_dad_begin+0x310/0x670 [ 4120.520269][ T10] addrconf_dad_work+0x10b/0xab0 [ 4120.520269][ T10] process_one_work+0x84d/0x18a0 [ 4120.520269][ T10] worker_thread+0x587/0xd30 [ 4120.520269][ T10] kthread+0x28a/0x350 [ 4120.520269][ T10] ret_from_fork+0x31/0x70 [ 4120.520269][ T10] ret_from_fork_asm+0x1a/0x30 [ 4120.520269][ T10] [ 4120.522175][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4120.522175][ T10] netdev_get_by_index+0x5e/0x80 [ 4120.522175][ T10] fib6_nh_init+0x3d8/0x1580 [ 4120.522175][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4120.522175][ T10] ip6_route_add+0x1c/0x140 [ 4120.522175][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4120.522175][ T10] inet6_addr_add+0x4f8/0xa40 [ 4120.522175][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4120.522175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.522175][ T10] netlink_rcv_skb+0x130/0x360 [ 4120.522175][ T10] netlink_unicast+0x449/0x710 [ 4120.522175][ T10] netlink_sendmsg+0x723/0xbe0 [ 4120.522175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4120.522175][ T10] ___sys_sendmsg+0xee/0x170 [ 4120.522175][ T10] __sys_sendmsg+0xcd/0x170 [ 4120.522175][ T10] do_syscall_64+0xc6/0x1e0 [ 4120.522175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4120.522175][ T10] [ 4120.524341][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4120.524341][ T10] netdev_get_by_index+0x5e/0x80 [ 4120.524341][ T10] fib6_nh_init+0x3d8/0x1580 [ 4120.524341][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4120.524341][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4120.524341][ T10] ipv6_add_addr+0x411/0x2000 [ 4120.524341][ T10] inet6_addr_add+0x30e/0xa40 [ 4120.524341][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4120.524341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.524341][ T10] netlink_rcv_skb+0x130/0x360 [ 4120.524341][ T10] netlink_unicast+0x449/0x710 [ 4120.524341][ T10] netlink_sendmsg+0x723/0xbe0 [ 4120.524341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4120.524341][ T10] ___sys_sendmsg+0xee/0x170 [ 4120.524341][ T10] __sys_sendmsg+0xcd/0x170 [ 4120.524341][ T10] do_syscall_64+0xc6/0x1e0 [ 4120.524341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4120.524341][ T10] [ 4120.526564][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4120.526564][ T10] netdev_get_by_index+0x5e/0x80 [ 4120.526564][ T10] fib6_nh_init+0x3d8/0x1580 [ 4120.526564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4120.526564][ T10] ip6_route_add+0x1c/0x140 [ 4120.526564][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4120.526564][ T10] addrconf_add_dev+0xe2/0x170 [ 4120.526564][ T10] inet6_addr_add+0x12f/0xa40 [ 4120.526564][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4120.526564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.526564][ T10] netlink_rcv_skb+0x130/0x360 [ 4120.526564][ T10] netlink_unicast+0x449/0x710 [ 4120.526564][ T10] netlink_sendmsg+0x723/0xbe0 [ 4120.526564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4120.526564][ T10] ___sys_sendmsg+0xee/0x170 [ 4120.526564][ T10] __sys_sendmsg+0xcd/0x170 [ 4120.526564][ T10] do_syscall_64+0xc6/0x1e0 [ 4120.526564][ T10] [ 4120.528785][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4120.528785][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4120.528785][ T10] ipv6_find_idev+0x102/0x170 [ 4120.528785][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4120.528785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.528785][ T10] netlink_rcv_skb+0x130/0x360 [ 4120.528785][ T10] netlink_unicast+0x449/0x710 [ 4120.528785][ T10] netlink_sendmsg+0x723/0xbe0 [ 4120.528785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4120.528785][ T10] ___sys_sendmsg+0xee/0x170 [ 4120.528785][ T10] __sys_sendmsg+0xcd/0x170 [ 4120.528785][ T10] do_syscall_64+0xc6/0x1e0 [ 4120.528785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4120.528785][ T10] [ 4120.530506][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4120.530506][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4120.530506][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4120.530506][ T10] ipv6_find_idev+0x102/0x170 [ 4120.530506][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4120.530506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.530506][ T10] netlink_rcv_skb+0x130/0x360 [ 4120.530506][ T10] netlink_unicast+0x449/0x710 [ 4120.530506][ T10] netlink_sendmsg+0x723/0xbe0 [ 4120.530506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4120.530506][ T10] ___sys_sendmsg+0xee/0x170 [ 4120.530506][ T10] __sys_sendmsg+0xcd/0x170 [ 4120.530506][ T10] do_syscall_64+0xc6/0x1e0 [ 4120.530506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4120.530506][ T10] [ 4120.532386][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4120.532626][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4120.532626][ T10] netdev_get_by_index+0x5e/0x80 [ 4120.532626][ T10] fib6_nh_init+0x3d8/0x1580 [ 4120.532626][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4120.532626][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4120.532626][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4120.532626][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4120.532626][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4120.532626][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4120.532626][ T10] addrconf_dad_begin+0x310/0x670 [ 4120.532626][ T10] addrconf_dad_work+0x10b/0xab0 [ 4120.532626][ T10] process_one_work+0x84d/0x18a0 [ 4120.532626][ T10] worker_thread+0x587/0xd30 [ 4120.532626][ T10] kthread+0x28a/0x350 [ 4120.532626][ T10] ret_from_fork+0x31/0x70 [ 4120.532626][ T10] ret_from_fork_asm+0x1a/0x30 [ 4120.532626][ T10] [ 4120.534778][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4120.534778][ T10] netdev_get_by_index+0x5e/0x80 [ 4120.534778][ T10] fib6_nh_init+0x3d8/0x1580 [ 4120.534778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4120.534778][ T10] ip6_route_add+0x1c/0x140 [ 4120.534778][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4120.534778][ T10] inet6_addr_add+0x4f8/0xa40 [ 4120.534778][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4120.534778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.534778][ T10] netlink_rcv_skb+0x130/0x360 [ 4120.534778][ T10] netlink_unicast+0x449/0x710 [ 4120.534778][ T10] netlink_sendmsg+0x723/0xbe0 [ 4120.534778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4120.534778][ T10] ___sys_sendmsg+0xee/0x170 [ 4120.534778][ T10] __sys_sendmsg+0xcd/0x170 [ 4120.534778][ T10] do_syscall_64+0xc6/0x1e0 [ 4120.534778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4120.534778][ T10] [ 4120.537011][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4120.537011][ T10] netdev_get_by_index+0x5e/0x80 [ 4120.537011][ T10] fib6_nh_init+0x3d8/0x1580 [ 4120.537011][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4120.537011][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4120.537011][ T10] ipv6_add_addr+0x411/0x2000 [ 4120.537011][ T10] inet6_addr_add+0x30e/0xa40 [ 4120.537011][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4120.537011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.537011][ T10] netlink_rcv_skb+0x130/0x360 [ 4120.537011][ T10] netlink_unicast+0x449/0x710 [ 4120.537011][ T10] netlink_sendmsg+0x723/0xbe0 [ 4120.537011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4120.537011][ T10] ___sys_sendmsg+0xee/0x170 [ 4120.537011][ T10] __sys_sendmsg+0xcd/0x170 [ 4120.537011][ T10] do_syscall_64+0xc6/0x1e0 [ 4120.537011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4120.537011][ T10] [ 4120.539191][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4120.539191][ T10] netdev_get_by_index+0x5e/0x80 [ 4120.539191][ T10] fib6_nh_init+0x3d8/0x1580 [ 4120.539191][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4120.539191][ T10] ip6_route_add+0x1c/0x140 [ 4120.539191][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4120.539191][ T10] addrconf_add_dev+0xe2/0x170 [ 4120.539191][ T10] inet6_addr_add+0x12f/0xa40 [ 4120.539191][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4120.539191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.539191][ T10] netlink_rcv_skb+0x130/0x360 [ 4120.539191][ T10] netlink_unicast+0x449/0x710 [ 4120.539191][ T10] netlink_sendmsg+0x723/0xbe0 [ 4120.539191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4120.539191][ T10] ___sys_sendmsg+0xee/0x170 [ 4120.539191][ T10] __sys_sendmsg+0xcd/0x170 [ 4120.539191][ T10] do_syscall_64+0xc6/0x1e0 [ 4120.539191][ T10] [ 4120.541458][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4120.541458][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4120.541458][ T10] ipv6_find_idev+0x102/0x170 [ 4120.541458][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4120.541458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.541458][ T10] netlink_rcv_skb+0x130/0x360 [ 4120.541458][ T10] netlink_unicast+0x449/0x710 [ 4120.541458][ T10] netlink_sendmsg+0x723/0xbe0 [ 4120.541458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4120.541458][ T10] ___sys_sendmsg+0xee/0x170 [ 4120.541458][ T10] __sys_sendmsg+0xcd/0x170 [ 4120.541458][ T10] do_syscall_64+0xc6/0x1e0 [ 4120.541458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4120.541458][ T10] [ 4120.543183][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4120.543183][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4120.543183][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4120.543183][ T10] ipv6_find_idev+0x102/0x170 [ 4120.543183][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4120.543183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.543183][ T10] netlink_rcv_skb+0x130/0x360 [ 4120.543183][ T10] netlink_unicast+0x449/0x710 [ 4120.543183][ T10] netlink_sendmsg+0x723/0xbe0 [ 4120.543183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4120.543183][ T10] ___sys_sendmsg+0xee/0x170 [ 4120.543183][ T10] __sys_sendmsg+0xcd/0x170 [ 4120.543183][ T10] do_syscall_64+0xc6/0x1e0 [ 4120.543183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4120.543183][ T10] [ 4126.673047][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4126.673537][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4126.673537][ T1167] dst_init+0x84/0x4a0 [ 4126.673537][ T1167] dst_alloc+0x97/0x150 [ 4126.673537][ T1167] ip6_dst_alloc+0x23/0x90 [ 4126.673537][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4126.673537][ T1167] ip6_pol_route+0x56f/0x840 [ 4126.673537][ T1167] fib6_rule_lookup+0x334/0x630 [ 4126.673537][ T1167] ip6_route_output_flags+0x259/0x480 [ 4126.673537][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4126.673537][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4126.673537][ T1167] netlink_rcv_skb+0x130/0x360 [ 4126.673537][ T1167] netlink_unicast+0x449/0x710 [ 4126.673537][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4126.673537][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4126.673537][ T1167] ___sys_sendmsg+0xee/0x170 [ 4126.673537][ T1167] __sys_sendmsg+0xcd/0x170 [ 4126.673537][ T1167] do_syscall_64+0xc6/0x1e0 [ 4126.673537][ T1167] [ 4126.675753][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4126.675753][ T1167] netdev_get_by_index+0x5e/0x80 [ 4126.675753][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4126.675753][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4126.675753][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4126.675753][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4126.675753][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4126.675753][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4126.675753][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4126.675753][ T1167] addrconf_dad_begin+0x310/0x670 [ 4126.675753][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4126.675753][ T1167] process_one_work+0x84d/0x18a0 [ 4126.675753][ T1167] worker_thread+0x587/0xd30 [ 4126.675753][ T1167] kthread+0x28a/0x350 [ 4126.675753][ T1167] ret_from_fork+0x31/0x70 [ 4126.675753][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4126.675753][ T1167] [ 4126.677897][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4126.677897][ T1167] netdev_get_by_index+0x5e/0x80 [ 4126.677897][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4126.677897][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4126.677897][ T1167] ip6_route_add+0x1c/0x140 [ 4126.677897][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4126.677897][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4126.677897][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4126.677897][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4126.677897][ T1167] netlink_rcv_skb+0x130/0x360 [ 4126.677897][ T1167] netlink_unicast+0x449/0x710 [ 4126.677897][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4126.677897][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4126.677897][ T1167] ___sys_sendmsg+0xee/0x170 [ 4126.677897][ T1167] __sys_sendmsg+0xcd/0x170 [ 4126.677897][ T1167] do_syscall_64+0xc6/0x1e0 [ 4126.677897][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4126.677897][ T1167] [ 4126.680185][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4126.680185][ T1167] netdev_get_by_index+0x5e/0x80 [ 4126.680185][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4126.680185][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4126.680185][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4126.680185][ T1167] ipv6_add_addr+0x411/0x2000 [ 4126.680185][ T1167] inet6_addr_add+0x30e/0xa40 [ 4126.680185][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4126.680185][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4126.680185][ T1167] netlink_rcv_skb+0x130/0x360 [ 4126.680185][ T1167] netlink_unicast+0x449/0x710 [ 4126.680185][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4126.680185][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4126.680185][ T1167] ___sys_sendmsg+0xee/0x170 [ 4126.680185][ T1167] __sys_sendmsg+0xcd/0x170 [ 4126.680185][ T1167] do_syscall_64+0xc6/0x1e0 [ 4126.680185][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4126.680185][ T1167] [ 4126.682443][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4126.682443][ T1167] netdev_get_by_index+0x5e/0x80 [ 4126.682443][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4126.682443][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4126.682443][ T1167] ip6_route_add+0x1c/0x140 [ 4126.682443][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4126.682443][ T1167] addrconf_add_dev+0xe2/0x170 [ 4126.682443][ T1167] inet6_addr_add+0x12f/0xa40 [ 4126.682443][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4126.682443][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4126.682443][ T1167] netlink_rcv_skb+0x130/0x360 [ 4126.682443][ T1167] netlink_unicast+0x449/0x710 [ 4126.682443][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4126.682443][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4126.682443][ T1167] ___sys_sendmsg+0xee/0x170 [ 4126.682443][ T1167] __sys_sendmsg+0xcd/0x170 [ 4126.682443][ T1167] do_syscall_64+0xc6/0x1e0 [ 4126.682443][ T1167] [ 4126.684677][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4126.684677][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4126.684677][ T1167] ipv6_find_idev+0x102/0x170 [ 4126.684677][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4126.684677][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4126.684677][ T1167] netlink_rcv_skb+0x130/0x360 [ 4126.684677][ T1167] netlink_unicast+0x449/0x710 [ 4126.684677][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4126.684677][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4126.684677][ T1167] ___sys_sendmsg+0xee/0x170 [ 4126.684677][ T1167] __sys_sendmsg+0xcd/0x170 [ 4126.684677][ T1167] do_syscall_64+0xc6/0x1e0 [ 4126.684677][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4126.684677][ T1167] [ 4126.686413][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4126.686413][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4126.686413][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4126.686413][ T1167] ipv6_find_idev+0x102/0x170 [ 4126.686413][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4126.686413][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4126.686413][ T1167] netlink_rcv_skb+0x130/0x360 [ 4126.686413][ T1167] netlink_unicast+0x449/0x710 [ 4126.686413][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4126.686413][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4126.686413][ T1167] ___sys_sendmsg+0xee/0x170 [ 4126.686413][ T1167] __sys_sendmsg+0xcd/0x170 [ 4126.686413][ T1167] do_syscall_64+0xc6/0x1e0 [ 4126.686413][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4126.686413][ T1167] [ 4130.769115][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4130.769470][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4130.769470][ T10] netdev_get_by_index+0x5e/0x80 [ 4130.769470][ T10] fib6_nh_init+0x3d8/0x1580 [ 4130.769470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4130.769470][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4130.769470][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4130.769470][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4130.769470][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4130.769470][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4130.769470][ T10] addrconf_dad_begin+0x310/0x670 [ 4130.769470][ T10] addrconf_dad_work+0x10b/0xab0 [ 4130.769470][ T10] process_one_work+0x84d/0x18a0 [ 4130.769470][ T10] worker_thread+0x587/0xd30 [ 4130.769470][ T10] kthread+0x28a/0x350 [ 4130.769470][ T10] ret_from_fork+0x31/0x70 [ 4130.769470][ T10] ret_from_fork_asm+0x1a/0x30 [ 4130.769470][ T10] [ 4130.771558][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4130.771558][ T10] netdev_get_by_index+0x5e/0x80 [ 4130.771558][ T10] fib6_nh_init+0x3d8/0x1580 [ 4130.771558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4130.771558][ T10] ip6_route_add+0x1c/0x140 [ 4130.771558][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4130.771558][ T10] inet6_addr_add+0x4f8/0xa40 [ 4130.771558][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4130.771558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.771558][ T10] netlink_rcv_skb+0x130/0x360 [ 4130.771558][ T10] netlink_unicast+0x449/0x710 [ 4130.771558][ T10] netlink_sendmsg+0x723/0xbe0 [ 4130.771558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4130.771558][ T10] ___sys_sendmsg+0xee/0x170 [ 4130.771558][ T10] __sys_sendmsg+0xcd/0x170 [ 4130.771558][ T10] do_syscall_64+0xc6/0x1e0 [ 4130.771558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4130.771558][ T10] [ 4130.773559][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4130.773559][ T10] netdev_get_by_index+0x5e/0x80 [ 4130.773559][ T10] fib6_nh_init+0x3d8/0x1580 [ 4130.773559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4130.773559][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4130.773559][ T10] ipv6_add_addr+0x411/0x2000 [ 4130.773559][ T10] inet6_addr_add+0x30e/0xa40 [ 4130.773559][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4130.773559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.773559][ T10] netlink_rcv_skb+0x130/0x360 [ 4130.773559][ T10] netlink_unicast+0x449/0x710 [ 4130.773559][ T10] netlink_sendmsg+0x723/0xbe0 [ 4130.773559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4130.773559][ T10] ___sys_sendmsg+0xee/0x170 [ 4130.773559][ T10] __sys_sendmsg+0xcd/0x170 [ 4130.773559][ T10] do_syscall_64+0xc6/0x1e0 [ 4130.773559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4130.773559][ T10] [ 4130.775573][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4130.775573][ T10] netdev_get_by_index+0x5e/0x80 [ 4130.775573][ T10] fib6_nh_init+0x3d8/0x1580 [ 4130.775573][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4130.775573][ T10] ip6_route_add+0x1c/0x140 [ 4130.775573][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4130.775573][ T10] addrconf_add_dev+0xe2/0x170 [ 4130.775573][ T10] inet6_addr_add+0x12f/0xa40 [ 4130.775573][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4130.775573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.775573][ T10] netlink_rcv_skb+0x130/0x360 [ 4130.775573][ T10] netlink_unicast+0x449/0x710 [ 4130.775573][ T10] netlink_sendmsg+0x723/0xbe0 [ 4130.775573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4130.775573][ T10] ___sys_sendmsg+0xee/0x170 [ 4130.775573][ T10] __sys_sendmsg+0xcd/0x170 [ 4130.775573][ T10] do_syscall_64+0xc6/0x1e0 [ 4130.775573][ T10] [ 4130.777542][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4130.777542][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4130.777542][ T10] ipv6_find_idev+0x102/0x170 [ 4130.777542][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4130.777542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.777542][ T10] netlink_rcv_skb+0x130/0x360 [ 4130.777542][ T10] netlink_unicast+0x449/0x710 [ 4130.777542][ T10] netlink_sendmsg+0x723/0xbe0 [ 4130.777542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4130.777542][ T10] ___sys_sendmsg+0xee/0x170 [ 4130.777542][ T10] __sys_sendmsg+0xcd/0x170 [ 4130.777542][ T10] do_syscall_64+0xc6/0x1e0 [ 4130.777542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4130.777542][ T10] [ 4130.779070][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4130.779070][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4130.779070][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4130.779070][ T10] ipv6_find_idev+0x102/0x170 [ 4130.779070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4130.779070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.779070][ T10] netlink_rcv_skb+0x130/0x360 [ 4130.779070][ T10] netlink_unicast+0x449/0x710 [ 4130.779070][ T10] netlink_sendmsg+0x723/0xbe0 [ 4130.779070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4130.779070][ T10] ___sys_sendmsg+0xee/0x170 [ 4130.779070][ T10] __sys_sendmsg+0xcd/0x170 [ 4130.779070][ T10] do_syscall_64+0xc6/0x1e0 [ 4130.779070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4130.779070][ T10] [ 4130.780733][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4130.780972][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4130.780972][ T10] netdev_get_by_index+0x5e/0x80 [ 4130.780972][ T10] fib6_nh_init+0x3d8/0x1580 [ 4130.780972][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4130.780972][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4130.780972][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4130.780972][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4130.780972][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4130.780972][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4130.780972][ T10] addrconf_dad_begin+0x310/0x670 [ 4130.780972][ T10] addrconf_dad_work+0x10b/0xab0 [ 4130.780972][ T10] process_one_work+0x84d/0x18a0 [ 4130.780972][ T10] worker_thread+0x587/0xd30 [ 4130.780972][ T10] kthread+0x28a/0x350 [ 4130.780972][ T10] ret_from_fork+0x31/0x70 [ 4130.780972][ T10] ret_from_fork_asm+0x1a/0x30 [ 4130.780972][ T10] [ 4130.782873][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4130.782873][ T10] netdev_get_by_index+0x5e/0x80 [ 4130.782873][ T10] fib6_nh_init+0x3d8/0x1580 [ 4130.782873][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4130.782873][ T10] ip6_route_add+0x1c/0x140 [ 4130.782873][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4130.782873][ T10] inet6_addr_add+0x4f8/0xa40 [ 4130.782873][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4130.782873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.782873][ T10] netlink_rcv_skb+0x130/0x360 [ 4130.782873][ T10] netlink_unicast+0x449/0x710 [ 4130.782873][ T10] netlink_sendmsg+0x723/0xbe0 [ 4130.782873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4130.782873][ T10] ___sys_sendmsg+0xee/0x170 [ 4130.782873][ T10] __sys_sendmsg+0xcd/0x170 [ 4130.782873][ T10] do_syscall_64+0xc6/0x1e0 [ 4130.782873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4130.782873][ T10] [ 4130.784843][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4130.784843][ T10] netdev_get_by_index+0x5e/0x80 [ 4130.784843][ T10] fib6_nh_init+0x3d8/0x1580 [ 4130.784843][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4130.784843][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4130.784843][ T10] ipv6_add_addr+0x411/0x2000 [ 4130.784843][ T10] inet6_addr_add+0x30e/0xa40 [ 4130.784843][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4130.784843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.784843][ T10] netlink_rcv_skb+0x130/0x360 [ 4130.784843][ T10] netlink_unicast+0x449/0x710 [ 4130.784843][ T10] netlink_sendmsg+0x723/0xbe0 [ 4130.784843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4130.784843][ T10] ___sys_sendmsg+0xee/0x170 [ 4130.784843][ T10] __sys_sendmsg+0xcd/0x170 [ 4130.784843][ T10] do_syscall_64+0xc6/0x1e0 [ 4130.784843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4130.784843][ T10] [ 4130.786821][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4130.786821][ T10] netdev_get_by_index+0x5e/0x80 [ 4130.786821][ T10] fib6_nh_init+0x3d8/0x1580 [ 4130.786821][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4130.786821][ T10] ip6_route_add+0x1c/0x140 [ 4130.786821][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4130.786821][ T10] addrconf_add_dev+0xe2/0x170 [ 4130.786821][ T10] inet6_addr_add+0x12f/0xa40 [ 4130.786821][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4130.786821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.786821][ T10] netlink_rcv_skb+0x130/0x360 [ 4130.786821][ T10] netlink_unicast+0x449/0x710 [ 4130.786821][ T10] netlink_sendmsg+0x723/0xbe0 [ 4130.786821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4130.786821][ T10] ___sys_sendmsg+0xee/0x170 [ 4130.786821][ T10] __sys_sendmsg+0xcd/0x170 [ 4130.786821][ T10] do_syscall_64+0xc6/0x1e0 [ 4130.786821][ T10] [ 4130.788773][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4130.788773][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4130.788773][ T10] ipv6_find_idev+0x102/0x170 [ 4130.788773][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4130.788773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.788773][ T10] netlink_rcv_skb+0x130/0x360 [ 4130.788773][ T10] netlink_unicast+0x449/0x710 [ 4130.788773][ T10] netlink_sendmsg+0x723/0xbe0 [ 4130.788773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4130.788773][ T10] ___sys_sendmsg+0xee/0x170 [ 4130.788773][ T10] __sys_sendmsg+0xcd/0x170 [ 4130.788773][ T10] do_syscall_64+0xc6/0x1e0 [ 4130.788773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4130.788773][ T10] [ 4130.790291][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4130.790291][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4130.790291][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4130.790291][ T10] ipv6_find_idev+0x102/0x170 [ 4130.790291][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4130.790291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.790291][ T10] netlink_rcv_skb+0x130/0x360 [ 4130.790291][ T10] netlink_unicast+0x449/0x710 [ 4130.790291][ T10] netlink_sendmsg+0x723/0xbe0 [ 4130.790291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4130.790291][ T10] ___sys_sendmsg+0xee/0x170 [ 4130.790291][ T10] __sys_sendmsg+0xcd/0x170 [ 4130.790291][ T10] do_syscall_64+0xc6/0x1e0 [ 4130.790291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4130.790291][ T10] [ 4130.791968][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4130.792213][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4130.792213][ T10] netdev_get_by_index+0x5e/0x80 [ 4130.792213][ T10] fib6_nh_init+0x3d8/0x1580 [ 4130.792213][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4130.792213][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4130.792213][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4130.792213][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4130.792213][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4130.792213][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4130.792213][ T10] addrconf_dad_begin+0x310/0x670 [ 4130.792213][ T10] addrconf_dad_work+0x10b/0xab0 [ 4130.792213][ T10] process_one_work+0x84d/0x18a0 [ 4130.792213][ T10] worker_thread+0x587/0xd30 [ 4130.792213][ T10] kthread+0x28a/0x350 [ 4130.792213][ T10] ret_from_fork+0x31/0x70 [ 4130.792213][ T10] ret_from_fork_asm+0x1a/0x30 [ 4130.792213][ T10] [ 4130.794104][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4130.794104][ T10] netdev_get_by_index+0x5e/0x80 [ 4130.794104][ T10] fib6_nh_init+0x3d8/0x1580 [ 4130.794104][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4130.794104][ T10] ip6_route_add+0x1c/0x140 [ 4130.794104][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4130.794104][ T10] inet6_addr_add+0x4f8/0xa40 [ 4130.794104][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4130.794104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.794104][ T10] netlink_rcv_skb+0x130/0x360 [ 4130.794104][ T10] netlink_unicast+0x449/0x710 [ 4130.794104][ T10] netlink_sendmsg+0x723/0xbe0 [ 4130.794104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4130.794104][ T10] ___sys_sendmsg+0xee/0x170 [ 4130.794104][ T10] __sys_sendmsg+0xcd/0x170 [ 4130.794104][ T10] do_syscall_64+0xc6/0x1e0 [ 4130.794104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4130.794104][ T10] [ 4130.796288][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4130.796288][ T10] netdev_get_by_index+0x5e/0x80 [ 4130.796288][ T10] fib6_nh_init+0x3d8/0x1580 [ 4130.796288][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4130.796288][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4130.796288][ T10] ipv6_add_addr+0x411/0x2000 [ 4130.796288][ T10] inet6_addr_add+0x30e/0xa40 [ 4130.796288][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4130.796288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.796288][ T10] netlink_rcv_skb+0x130/0x360 [ 4130.796288][ T10] netlink_unicast+0x449/0x710 [ 4130.796288][ T10] netlink_sendmsg+0x723/0xbe0 [ 4130.796288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4130.796288][ T10] ___sys_sendmsg+0xee/0x170 [ 4130.796288][ T10] __sys_sendmsg+0xcd/0x170 [ 4130.796288][ T10] do_syscall_64+0xc6/0x1e0 [ 4130.796288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4130.796288][ T10] [ 4130.798523][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4130.798523][ T10] netdev_get_by_index+0x5e/0x80 [ 4130.798523][ T10] fib6_nh_init+0x3d8/0x1580 [ 4130.798523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4130.798523][ T10] ip6_route_add+0x1c/0x140 [ 4130.798523][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4130.798523][ T10] addrconf_add_dev+0xe2/0x170 [ 4130.798523][ T10] inet6_addr_add+0x12f/0xa40 [ 4130.798523][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4130.798523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.798523][ T10] netlink_rcv_skb+0x130/0x360 [ 4130.798523][ T10] netlink_unicast+0x449/0x710 [ 4130.798523][ T10] netlink_sendmsg+0x723/0xbe0 [ 4130.798523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4130.798523][ T10] ___sys_sendmsg+0xee/0x170 [ 4130.798523][ T10] __sys_sendmsg+0xcd/0x170 [ 4130.798523][ T10] do_syscall_64+0xc6/0x1e0 [ 4130.798523][ T10] [ 4130.800721][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4130.800721][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4130.800721][ T10] ipv6_find_idev+0x102/0x170 [ 4130.800721][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4130.800721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.800721][ T10] netlink_rcv_skb+0x130/0x360 [ 4130.800721][ T10] netlink_unicast+0x449/0x710 [ 4130.800721][ T10] netlink_sendmsg+0x723/0xbe0 [ 4130.800721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4130.800721][ T10] ___sys_sendmsg+0xee/0x170 [ 4130.800721][ T10] __sys_sendmsg+0xcd/0x170 [ 4130.800721][ T10] do_syscall_64+0xc6/0x1e0 [ 4130.800721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4130.800721][ T10] [ 4130.802492][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4130.802492][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4130.802492][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4130.802492][ T10] ipv6_find_idev+0x102/0x170 [ 4130.802492][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4130.802492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.802492][ T10] netlink_rcv_skb+0x130/0x360 [ 4130.802492][ T10] netlink_unicast+0x449/0x710 [ 4130.802492][ T10] netlink_sendmsg+0x723/0xbe0 [ 4130.802492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4130.802492][ T10] ___sys_sendmsg+0xee/0x170 [ 4130.802492][ T10] __sys_sendmsg+0xcd/0x170 [ 4130.802492][ T10] do_syscall_64+0xc6/0x1e0 [ 4130.802492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4130.802492][ T10] [ 4130.804286][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4130.804524][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4130.804524][ T10] netdev_get_by_index+0x5e/0x80 [ 4130.804524][ T10] fib6_nh_init+0x3d8/0x1580 [ 4130.804524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4130.804524][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4130.804524][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4130.804524][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4130.804524][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4130.804524][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4130.804524][ T10] addrconf_dad_begin+0x310/0x670 [ 4130.804524][ T10] addrconf_dad_work+0x10b/0xab0 [ 4130.804524][ T10] process_one_work+0x84d/0x18a0 [ 4130.804524][ T10] worker_thread+0x587/0xd30 [ 4130.804524][ T10] kthread+0x28a/0x350 [ 4130.804524][ T10] ret_from_fork+0x31/0x70 [ 4130.804524][ T10] ret_from_fork_asm+0x1a/0x30 [ 4130.804524][ T10] [ 4130.806647][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4130.806647][ T10] netdev_get_by_index+0x5e/0x80 [ 4130.806647][ T10] fib6_nh_init+0x3d8/0x1580 [ 4130.806647][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4130.806647][ T10] ip6_route_add+0x1c/0x140 [ 4130.806647][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4130.806647][ T10] inet6_addr_add+0x4f8/0xa40 [ 4130.806647][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4130.806647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.806647][ T10] netlink_rcv_skb+0x130/0x360 [ 4130.806647][ T10] netlink_unicast+0x449/0x710 [ 4130.806647][ T10] netlink_sendmsg+0x723/0xbe0 [ 4130.806647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4130.806647][ T10] ___sys_sendmsg+0xee/0x170 [ 4130.806647][ T10] __sys_sendmsg+0xcd/0x170 [ 4130.806647][ T10] do_syscall_64+0xc6/0x1e0 [ 4130.806647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4130.806647][ T10] [ 4130.808870][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4130.808870][ T10] netdev_get_by_index+0x5e/0x80 [ 4130.808870][ T10] fib6_nh_init+0x3d8/0x1580 [ 4130.808870][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4130.808870][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4130.808870][ T10] ipv6_add_addr+0x411/0x2000 [ 4130.808870][ T10] inet6_addr_add+0x30e/0xa40 [ 4130.808870][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4130.808870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.808870][ T10] netlink_rcv_skb+0x130/0x360 [ 4130.808870][ T10] netlink_unicast+0x449/0x710 [ 4130.808870][ T10] netlink_sendmsg+0x723/0xbe0 [ 4130.808870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4130.808870][ T10] ___sys_sendmsg+0xee/0x170 [ 4130.808870][ T10] __sys_sendmsg+0xcd/0x170 [ 4130.808870][ T10] do_syscall_64+0xc6/0x1e0 [ 4130.808870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4130.808870][ T10] [ 4130.811079][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4130.811079][ T10] netdev_get_by_index+0x5e/0x80 [ 4130.811079][ T10] fib6_nh_init+0x3d8/0x1580 [ 4130.811079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4130.811079][ T10] ip6_route_add+0x1c/0x140 [ 4130.811079][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4130.811079][ T10] addrconf_add_dev+0xe2/0x170 [ 4130.811079][ T10] inet6_addr_add+0x12f/0xa40 [ 4130.811079][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4130.811079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.811079][ T10] netlink_rcv_skb+0x130/0x360 [ 4130.811079][ T10] netlink_unicast+0x449/0x710 [ 4130.811079][ T10] netlink_sendmsg+0x723/0xbe0 [ 4130.811079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4130.811079][ T10] ___sys_sendmsg+0xee/0x170 [ 4130.811079][ T10] __sys_sendmsg+0xcd/0x170 [ 4130.811079][ T10] do_syscall_64+0xc6/0x1e0 [ 4130.811079][ T10] [ 4130.813263][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4130.813263][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4130.813263][ T10] ipv6_find_idev+0x102/0x170 [ 4130.813263][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4130.813263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.813263][ T10] netlink_rcv_skb+0x130/0x360 [ 4130.813263][ T10] netlink_unicast+0x449/0x710 [ 4130.813263][ T10] netlink_sendmsg+0x723/0xbe0 [ 4130.813263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4130.813263][ T10] ___sys_sendmsg+0xee/0x170 [ 4130.813263][ T10] __sys_sendmsg+0xcd/0x170 [ 4130.813263][ T10] do_syscall_64+0xc6/0x1e0 [ 4130.813263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4130.813263][ T10] [ 4130.814971][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4130.814971][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4130.814971][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4130.814971][ T10] ipv6_find_idev+0x102/0x170 [ 4130.814971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4130.814971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.814971][ T10] netlink_rcv_skb+0x130/0x360 [ 4130.814971][ T10] netlink_unicast+0x449/0x710 [ 4130.814971][ T10] netlink_sendmsg+0x723/0xbe0 [ 4130.814971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4130.814971][ T10] ___sys_sendmsg+0xee/0x170 [ 4130.814971][ T10] __sys_sendmsg+0xcd/0x170 [ 4130.814971][ T10] do_syscall_64+0xc6/0x1e0 [ 4130.814971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4130.814971][ T10] [ 4136.937128][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4136.937560][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4136.937560][ T1167] dst_init+0x84/0x4a0 [ 4136.937560][ T1167] dst_alloc+0x97/0x150 [ 4136.937560][ T1167] ip6_dst_alloc+0x23/0x90 [ 4136.937560][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4136.937560][ T1167] ip6_pol_route+0x56f/0x840 [ 4136.937560][ T1167] fib6_rule_lookup+0x334/0x630 [ 4136.937560][ T1167] ip6_route_output_flags+0x259/0x480 [ 4136.937560][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4136.937560][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4136.937560][ T1167] netlink_rcv_skb+0x130/0x360 [ 4136.937560][ T1167] netlink_unicast+0x449/0x710 [ 4136.937560][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4136.937560][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4136.937560][ T1167] ___sys_sendmsg+0xee/0x170 [ 4136.937560][ T1167] __sys_sendmsg+0xcd/0x170 [ 4136.937560][ T1167] do_syscall_64+0xc6/0x1e0 [ 4136.937560][ T1167] [ 4136.939755][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4136.939755][ T1167] netdev_get_by_index+0x5e/0x80 [ 4136.939755][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4136.939755][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4136.939755][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4136.939755][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4136.939755][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4136.939755][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4136.939755][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4136.939755][ T1167] addrconf_dad_begin+0x310/0x670 [ 4136.939755][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4136.939755][ T1167] process_one_work+0x84d/0x18a0 [ 4136.939755][ T1167] worker_thread+0x587/0xd30 [ 4136.939755][ T1167] kthread+0x28a/0x350 [ 4136.939755][ T1167] ret_from_fork+0x31/0x70 [ 4136.939755][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4136.939755][ T1167] [ 4136.941893][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4136.941893][ T1167] netdev_get_by_index+0x5e/0x80 [ 4136.941893][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4136.941893][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4136.941893][ T1167] ip6_route_add+0x1c/0x140 [ 4136.941893][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4136.941893][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4136.941893][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4136.941893][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4136.941893][ T1167] netlink_rcv_skb+0x130/0x360 [ 4136.941893][ T1167] netlink_unicast+0x449/0x710 [ 4136.941893][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4136.941893][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4136.941893][ T1167] ___sys_sendmsg+0xee/0x170 [ 4136.941893][ T1167] __sys_sendmsg+0xcd/0x170 [ 4136.941893][ T1167] do_syscall_64+0xc6/0x1e0 [ 4136.941893][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4136.941893][ T1167] [ 4136.944126][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4136.944126][ T1167] netdev_get_by_index+0x5e/0x80 [ 4136.944126][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4136.944126][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4136.944126][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4136.944126][ T1167] ipv6_add_addr+0x411/0x2000 [ 4136.944126][ T1167] inet6_addr_add+0x30e/0xa40 [ 4136.944126][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4136.944126][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4136.944126][ T1167] netlink_rcv_skb+0x130/0x360 [ 4136.944126][ T1167] netlink_unicast+0x449/0x710 [ 4136.944126][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4136.944126][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4136.944126][ T1167] ___sys_sendmsg+0xee/0x170 [ 4136.944126][ T1167] __sys_sendmsg+0xcd/0x170 [ 4136.944126][ T1167] do_syscall_64+0xc6/0x1e0 [ 4136.944126][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4136.944126][ T1167] [ 4136.946373][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4136.946373][ T1167] netdev_get_by_index+0x5e/0x80 [ 4136.946373][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4136.946373][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4136.946373][ T1167] ip6_route_add+0x1c/0x140 [ 4136.946373][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4136.946373][ T1167] addrconf_add_dev+0xe2/0x170 [ 4136.946373][ T1167] inet6_addr_add+0x12f/0xa40 [ 4136.946373][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4136.946373][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4136.946373][ T1167] netlink_rcv_skb+0x130/0x360 [ 4136.946373][ T1167] netlink_unicast+0x449/0x710 [ 4136.946373][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4136.946373][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4136.946373][ T1167] ___sys_sendmsg+0xee/0x170 [ 4136.946373][ T1167] __sys_sendmsg+0xcd/0x170 [ 4136.946373][ T1167] do_syscall_64+0xc6/0x1e0 [ 4136.946373][ T1167] [ 4136.948616][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4136.948616][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4136.948616][ T1167] ipv6_find_idev+0x102/0x170 [ 4136.948616][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4136.948616][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4136.948616][ T1167] netlink_rcv_skb+0x130/0x360 [ 4136.948616][ T1167] netlink_unicast+0x449/0x710 [ 4136.948616][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4136.948616][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4136.948616][ T1167] ___sys_sendmsg+0xee/0x170 [ 4136.948616][ T1167] __sys_sendmsg+0xcd/0x170 [ 4136.948616][ T1167] do_syscall_64+0xc6/0x1e0 [ 4136.948616][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4136.948616][ T1167] [ 4136.950382][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4136.950382][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4136.950382][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4136.950382][ T1167] ipv6_find_idev+0x102/0x170 [ 4136.950382][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4136.950382][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4136.950382][ T1167] netlink_rcv_skb+0x130/0x360 [ 4136.950382][ T1167] netlink_unicast+0x449/0x710 [ 4136.950382][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4136.950382][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4136.950382][ T1167] ___sys_sendmsg+0xee/0x170 [ 4136.950382][ T1167] __sys_sendmsg+0xcd/0x170 [ 4136.950382][ T1167] do_syscall_64+0xc6/0x1e0 [ 4136.950382][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4136.950382][ T1167] [ 4140.977130][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4140.977557][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4140.977557][ T10] netdev_get_by_index+0x5e/0x80 [ 4140.977557][ T10] fib6_nh_init+0x3d8/0x1580 [ 4140.977557][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4140.977557][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4140.977557][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4140.977557][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4140.977557][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4140.977557][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4140.977557][ T10] addrconf_dad_begin+0x310/0x670 [ 4140.977557][ T10] addrconf_dad_work+0x10b/0xab0 [ 4140.977557][ T10] process_one_work+0x84d/0x18a0 [ 4140.977557][ T10] worker_thread+0x587/0xd30 [ 4140.977557][ T10] kthread+0x28a/0x350 [ 4140.977557][ T10] ret_from_fork+0x31/0x70 [ 4140.977557][ T10] ret_from_fork_asm+0x1a/0x30 [ 4140.977557][ T10] [ 4140.979500][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4140.979500][ T10] netdev_get_by_index+0x5e/0x80 [ 4140.979500][ T10] fib6_nh_init+0x3d8/0x1580 [ 4140.979500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4140.979500][ T10] ip6_route_add+0x1c/0x140 [ 4140.979500][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4140.979500][ T10] inet6_addr_add+0x4f8/0xa40 [ 4140.979500][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4140.979500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4140.979500][ T10] netlink_rcv_skb+0x130/0x360 [ 4140.979500][ T10] netlink_unicast+0x449/0x710 [ 4140.979500][ T10] netlink_sendmsg+0x723/0xbe0 [ 4140.979500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4140.979500][ T10] ___sys_sendmsg+0xee/0x170 [ 4140.979500][ T10] __sys_sendmsg+0xcd/0x170 [ 4140.979500][ T10] do_syscall_64+0xc6/0x1e0 [ 4140.979500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4140.979500][ T10] [ 4140.981503][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4140.981503][ T10] netdev_get_by_index+0x5e/0x80 [ 4140.981503][ T10] fib6_nh_init+0x3d8/0x1580 [ 4140.981503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4140.981503][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4140.981503][ T10] ipv6_add_addr+0x411/0x2000 [ 4140.981503][ T10] inet6_addr_add+0x30e/0xa40 [ 4140.981503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4140.981503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4140.981503][ T10] netlink_rcv_skb+0x130/0x360 [ 4140.981503][ T10] netlink_unicast+0x449/0x710 [ 4140.981503][ T10] netlink_sendmsg+0x723/0xbe0 [ 4140.981503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4140.981503][ T10] ___sys_sendmsg+0xee/0x170 [ 4140.981503][ T10] __sys_sendmsg+0xcd/0x170 [ 4140.981503][ T10] do_syscall_64+0xc6/0x1e0 [ 4140.981503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4140.981503][ T10] [ 4140.983489][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4140.983489][ T10] netdev_get_by_index+0x5e/0x80 [ 4140.983489][ T10] fib6_nh_init+0x3d8/0x1580 [ 4140.983489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4140.983489][ T10] ip6_route_add+0x1c/0x140 [ 4140.983489][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4140.983489][ T10] addrconf_add_dev+0xe2/0x170 [ 4140.983489][ T10] inet6_addr_add+0x12f/0xa40 [ 4140.983489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4140.983489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4140.983489][ T10] netlink_rcv_skb+0x130/0x360 [ 4140.983489][ T10] netlink_unicast+0x449/0x710 [ 4140.983489][ T10] netlink_sendmsg+0x723/0xbe0 [ 4140.983489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4140.983489][ T10] ___sys_sendmsg+0xee/0x170 [ 4140.983489][ T10] __sys_sendmsg+0xcd/0x170 [ 4140.983489][ T10] do_syscall_64+0xc6/0x1e0 [ 4140.983489][ T10] [ 4140.986008][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4140.986008][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4140.986008][ T10] ipv6_find_idev+0x102/0x170 [ 4140.986008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4140.986008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4140.986008][ T10] netlink_rcv_skb+0x130/0x360 [ 4140.986008][ T10] netlink_unicast+0x449/0x710 [ 4140.986008][ T10] netlink_sendmsg+0x723/0xbe0 [ 4140.986008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4140.986008][ T10] ___sys_sendmsg+0xee/0x170 [ 4140.986008][ T10] __sys_sendmsg+0xcd/0x170 [ 4140.986008][ T10] do_syscall_64+0xc6/0x1e0 [ 4140.986008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4140.986008][ T10] [ 4140.987569][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4140.987569][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4140.987569][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4140.987569][ T10] ipv6_find_idev+0x102/0x170 [ 4140.987569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4140.987569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4140.987569][ T10] netlink_rcv_skb+0x130/0x360 [ 4140.987569][ T10] netlink_unicast+0x449/0x710 [ 4140.987569][ T10] netlink_sendmsg+0x723/0xbe0 [ 4140.987569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4140.987569][ T10] ___sys_sendmsg+0xee/0x170 [ 4140.987569][ T10] __sys_sendmsg+0xcd/0x170 [ 4140.987569][ T10] do_syscall_64+0xc6/0x1e0 [ 4140.987569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4140.987569][ T10] [ 4140.992545][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4140.992834][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4140.992834][ T10] netdev_get_by_index+0x5e/0x80 [ 4140.992834][ T10] fib6_nh_init+0x3d8/0x1580 [ 4140.992834][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4140.992834][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4140.992834][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4140.992834][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4140.992834][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4140.992834][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4140.992834][ T10] addrconf_dad_begin+0x310/0x670 [ 4140.992834][ T10] addrconf_dad_work+0x10b/0xab0 [ 4140.992834][ T10] process_one_work+0x84d/0x18a0 [ 4140.992834][ T10] worker_thread+0x587/0xd30 [ 4140.992834][ T10] kthread+0x28a/0x350 [ 4140.992834][ T10] ret_from_fork+0x31/0x70 [ 4140.992834][ T10] ret_from_fork_asm+0x1a/0x30 [ 4140.992834][ T10] [ 4140.994740][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4140.994740][ T10] netdev_get_by_index+0x5e/0x80 [ 4140.994740][ T10] fib6_nh_init+0x3d8/0x1580 [ 4140.994740][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4140.994740][ T10] ip6_route_add+0x1c/0x140 [ 4140.994740][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4140.994740][ T10] inet6_addr_add+0x4f8/0xa40 [ 4140.994740][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4140.994740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4140.994740][ T10] netlink_rcv_skb+0x130/0x360 [ 4140.994740][ T10] netlink_unicast+0x449/0x710 [ 4140.994740][ T10] netlink_sendmsg+0x723/0xbe0 [ 4140.994740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4140.994740][ T10] ___sys_sendmsg+0xee/0x170 [ 4140.994740][ T10] __sys_sendmsg+0xcd/0x170 [ 4140.994740][ T10] do_syscall_64+0xc6/0x1e0 [ 4140.994740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4140.994740][ T10] [ 4140.996729][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4140.996729][ T10] netdev_get_by_index+0x5e/0x80 [ 4140.996729][ T10] fib6_nh_init+0x3d8/0x1580 [ 4140.996729][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4140.996729][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4140.996729][ T10] ipv6_add_addr+0x411/0x2000 [ 4140.996729][ T10] inet6_addr_add+0x30e/0xa40 [ 4140.996729][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4140.996729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4140.996729][ T10] netlink_rcv_skb+0x130/0x360 [ 4140.996729][ T10] netlink_unicast+0x449/0x710 [ 4140.996729][ T10] netlink_sendmsg+0x723/0xbe0 [ 4140.996729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4140.996729][ T10] ___sys_sendmsg+0xee/0x170 [ 4140.996729][ T10] __sys_sendmsg+0xcd/0x170 [ 4140.996729][ T10] do_syscall_64+0xc6/0x1e0 [ 4140.996729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4140.996729][ T10] [ 4140.998714][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4140.998714][ T10] netdev_get_by_index+0x5e/0x80 [ 4140.998714][ T10] fib6_nh_init+0x3d8/0x1580 [ 4140.998714][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4140.998714][ T10] ip6_route_add+0x1c/0x140 [ 4140.998714][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4140.998714][ T10] addrconf_add_dev+0xe2/0x170 [ 4140.998714][ T10] inet6_addr_add+0x12f/0xa40 [ 4140.998714][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4140.998714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4140.998714][ T10] netlink_rcv_skb+0x130/0x360 [ 4140.998714][ T10] netlink_unicast+0x449/0x710 [ 4140.998714][ T10] netlink_sendmsg+0x723/0xbe0 [ 4140.998714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4140.998714][ T10] ___sys_sendmsg+0xee/0x170 [ 4140.998714][ T10] __sys_sendmsg+0xcd/0x170 [ 4140.998714][ T10] do_syscall_64+0xc6/0x1e0 [ 4140.998714][ T10] [ 4141.000659][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4141.000659][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4141.000659][ T10] ipv6_find_idev+0x102/0x170 [ 4141.000659][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4141.000659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4141.000659][ T10] netlink_rcv_skb+0x130/0x360 [ 4141.000659][ T10] netlink_unicast+0x449/0x710 [ 4141.000659][ T10] netlink_sendmsg+0x723/0xbe0 [ 4141.000659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4141.000659][ T10] ___sys_sendmsg+0xee/0x170 [ 4141.000659][ T10] __sys_sendmsg+0xcd/0x170 [ 4141.000659][ T10] do_syscall_64+0xc6/0x1e0 [ 4141.000659][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4141.000659][ T10] [ 4141.002186][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4141.002186][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4141.002186][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4141.002186][ T10] ipv6_find_idev+0x102/0x170 [ 4141.002186][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4141.002186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4141.002186][ T10] netlink_rcv_skb+0x130/0x360 [ 4141.002186][ T10] netlink_unicast+0x449/0x710 [ 4141.002186][ T10] netlink_sendmsg+0x723/0xbe0 [ 4141.002186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4141.002186][ T10] ___sys_sendmsg+0xee/0x170 [ 4141.002186][ T10] __sys_sendmsg+0xcd/0x170 [ 4141.002186][ T10] do_syscall_64+0xc6/0x1e0 [ 4141.002186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4141.002186][ T10] [ 4141.003856][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4141.004101][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4141.004101][ T10] netdev_get_by_index+0x5e/0x80 [ 4141.004101][ T10] fib6_nh_init+0x3d8/0x1580 [ 4141.004101][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4141.004101][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4141.004101][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4141.004101][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4141.004101][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4141.004101][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4141.004101][ T10] addrconf_dad_begin+0x310/0x670 [ 4141.004101][ T10] addrconf_dad_work+0x10b/0xab0 [ 4141.004101][ T10] process_one_work+0x84d/0x18a0 [ 4141.004101][ T10] worker_thread+0x587/0xd30 [ 4141.004101][ T10] kthread+0x28a/0x350 [ 4141.004101][ T10] ret_from_fork+0x31/0x70 [ 4141.004101][ T10] ret_from_fork_asm+0x1a/0x30 [ 4141.004101][ T10] [ 4141.005991][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4141.005991][ T10] netdev_get_by_index+0x5e/0x80 [ 4141.005991][ T10] fib6_nh_init+0x3d8/0x1580 [ 4141.005991][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4141.005991][ T10] ip6_route_add+0x1c/0x140 [ 4141.005991][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4141.005991][ T10] inet6_addr_add+0x4f8/0xa40 [ 4141.005991][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4141.005991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4141.005991][ T10] netlink_rcv_skb+0x130/0x360 [ 4141.005991][ T10] netlink_unicast+0x449/0x710 [ 4141.005991][ T10] netlink_sendmsg+0x723/0xbe0 [ 4141.005991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4141.005991][ T10] ___sys_sendmsg+0xee/0x170 [ 4141.005991][ T10] __sys_sendmsg+0xcd/0x170 [ 4141.005991][ T10] do_syscall_64+0xc6/0x1e0 [ 4141.005991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4141.005991][ T10] [ 4141.008161][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4141.008161][ T10] netdev_get_by_index+0x5e/0x80 [ 4141.008161][ T10] fib6_nh_init+0x3d8/0x1580 [ 4141.008161][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4141.008161][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4141.008161][ T10] ipv6_add_addr+0x411/0x2000 [ 4141.008161][ T10] inet6_addr_add+0x30e/0xa40 [ 4141.008161][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4141.008161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4141.008161][ T10] netlink_rcv_skb+0x130/0x360 [ 4141.008161][ T10] netlink_unicast+0x449/0x710 [ 4141.008161][ T10] netlink_sendmsg+0x723/0xbe0 [ 4141.008161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4141.008161][ T10] ___sys_sendmsg+0xee/0x170 [ 4141.008161][ T10] __sys_sendmsg+0xcd/0x170 [ 4141.008161][ T10] do_syscall_64+0xc6/0x1e0 [ 4141.008161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4141.008161][ T10] [ 4141.010403][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4141.010403][ T10] netdev_get_by_index+0x5e/0x80 [ 4141.010403][ T10] fib6_nh_init+0x3d8/0x1580 [ 4141.010403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4141.010403][ T10] ip6_route_add+0x1c/0x140 [ 4141.010403][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4141.010403][ T10] addrconf_add_dev+0xe2/0x170 [ 4141.010403][ T10] inet6_addr_add+0x12f/0xa40 [ 4141.010403][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4141.010403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4141.010403][ T10] netlink_rcv_skb+0x130/0x360 [ 4141.010403][ T10] netlink_unicast+0x449/0x710 [ 4141.010403][ T10] netlink_sendmsg+0x723/0xbe0 [ 4141.010403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4141.010403][ T10] ___sys_sendmsg+0xee/0x170 [ 4141.010403][ T10] __sys_sendmsg+0xcd/0x170 [ 4141.010403][ T10] do_syscall_64+0xc6/0x1e0 [ 4141.010403][ T10] [ 4141.012663][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4141.012663][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4141.012663][ T10] ipv6_find_idev+0x102/0x170 [ 4141.012663][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4141.012663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4141.012663][ T10] netlink_rcv_skb+0x130/0x360 [ 4141.012663][ T10] netlink_unicast+0x449/0x710 [ 4141.012663][ T10] netlink_sendmsg+0x723/0xbe0 [ 4141.012663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4141.012663][ T10] ___sys_sendmsg+0xee/0x170 [ 4141.012663][ T10] __sys_sendmsg+0xcd/0x170 [ 4141.012663][ T10] do_syscall_64+0xc6/0x1e0 [ 4141.012663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4141.012663][ T10] [ 4141.014368][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4141.014368][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4141.014368][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4141.014368][ T10] ipv6_find_idev+0x102/0x170 [ 4141.014368][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4141.014368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4141.014368][ T10] netlink_rcv_skb+0x130/0x360 [ 4141.014368][ T10] netlink_unicast+0x449/0x710 [ 4141.014368][ T10] netlink_sendmsg+0x723/0xbe0 [ 4141.014368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4141.014368][ T10] ___sys_sendmsg+0xee/0x170 [ 4141.014368][ T10] __sys_sendmsg+0xcd/0x170 [ 4141.014368][ T10] do_syscall_64+0xc6/0x1e0 [ 4141.014368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4141.014368][ T10] [ 4141.016232][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4141.016482][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4141.016482][ T10] netdev_get_by_index+0x5e/0x80 [ 4141.016482][ T10] fib6_nh_init+0x3d8/0x1580 [ 4141.016482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4141.016482][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4141.016482][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4141.016482][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4141.016482][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4141.016482][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4141.016482][ T10] addrconf_dad_begin+0x310/0x670 [ 4141.016482][ T10] addrconf_dad_work+0x10b/0xab0 [ 4141.016482][ T10] process_one_work+0x84d/0x18a0 [ 4141.016482][ T10] worker_thread+0x587/0xd30 [ 4141.016482][ T10] kthread+0x28a/0x350 [ 4141.016482][ T10] ret_from_fork+0x31/0x70 [ 4141.016482][ T10] ret_from_fork_asm+0x1a/0x30 [ 4141.016482][ T10] [ 4141.018638][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4141.018638][ T10] netdev_get_by_index+0x5e/0x80 [ 4141.018638][ T10] fib6_nh_init+0x3d8/0x1580 [ 4141.018638][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4141.018638][ T10] ip6_route_add+0x1c/0x140 [ 4141.018638][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4141.018638][ T10] inet6_addr_add+0x4f8/0xa40 [ 4141.018638][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4141.018638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4141.018638][ T10] netlink_rcv_skb+0x130/0x360 [ 4141.018638][ T10] netlink_unicast+0x449/0x710 [ 4141.018638][ T10] netlink_sendmsg+0x723/0xbe0 [ 4141.018638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4141.018638][ T10] ___sys_sendmsg+0xee/0x170 [ 4141.018638][ T10] __sys_sendmsg+0xcd/0x170 [ 4141.018638][ T10] do_syscall_64+0xc6/0x1e0 [ 4141.018638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4141.018638][ T10] [ 4141.020939][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4141.020939][ T10] netdev_get_by_index+0x5e/0x80 [ 4141.020939][ T10] fib6_nh_init+0x3d8/0x1580 [ 4141.020939][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4141.020939][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4141.020939][ T10] ipv6_add_addr+0x411/0x2000 [ 4141.020939][ T10] inet6_addr_add+0x30e/0xa40 [ 4141.020939][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4141.020939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4141.020939][ T10] netlink_rcv_skb+0x130/0x360 [ 4141.020939][ T10] netlink_unicast+0x449/0x710 [ 4141.020939][ T10] netlink_sendmsg+0x723/0xbe0 [ 4141.020939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4141.020939][ T10] ___sys_sendmsg+0xee/0x170 [ 4141.020939][ T10] __sys_sendmsg+0xcd/0x170 [ 4141.020939][ T10] do_syscall_64+0xc6/0x1e0 [ 4141.020939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4141.020939][ T10] [ 4141.023106][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4141.023106][ T10] netdev_get_by_index+0x5e/0x80 [ 4141.023106][ T10] fib6_nh_init+0x3d8/0x1580 [ 4141.023106][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4141.023106][ T10] ip6_route_add+0x1c/0x140 [ 4141.023106][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4141.023106][ T10] addrconf_add_dev+0xe2/0x170 [ 4141.023106][ T10] inet6_addr_add+0x12f/0xa40 [ 4141.023106][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4141.023106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4141.023106][ T10] netlink_rcv_skb+0x130/0x360 [ 4141.023106][ T10] netlink_unicast+0x449/0x710 [ 4141.023106][ T10] netlink_sendmsg+0x723/0xbe0 [ 4141.023106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4141.023106][ T10] ___sys_sendmsg+0xee/0x170 [ 4141.023106][ T10] __sys_sendmsg+0xcd/0x170 [ 4141.023106][ T10] do_syscall_64+0xc6/0x1e0 [ 4141.023106][ T10] [ 4141.025312][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4141.025312][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4141.025312][ T10] ipv6_find_idev+0x102/0x170 [ 4141.025312][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4141.025312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4141.025312][ T10] netlink_rcv_skb+0x130/0x360 [ 4141.025312][ T10] netlink_unicast+0x449/0x710 [ 4141.025312][ T10] netlink_sendmsg+0x723/0xbe0 [ 4141.025312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4141.025312][ T10] ___sys_sendmsg+0xee/0x170 [ 4141.025312][ T10] __sys_sendmsg+0xcd/0x170 [ 4141.025312][ T10] do_syscall_64+0xc6/0x1e0 [ 4141.025312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4141.025312][ T10] [ 4141.027028][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4141.027028][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4141.027028][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4141.027028][ T10] ipv6_find_idev+0x102/0x170 [ 4141.027028][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4141.027028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4141.027028][ T10] netlink_rcv_skb+0x130/0x360 [ 4141.027028][ T10] netlink_unicast+0x449/0x710 [ 4141.027028][ T10] netlink_sendmsg+0x723/0xbe0 [ 4141.027028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4141.027028][ T10] ___sys_sendmsg+0xee/0x170 [ 4141.027028][ T10] __sys_sendmsg+0xcd/0x170 [ 4141.027028][ T10] do_syscall_64+0xc6/0x1e0 [ 4141.027028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4141.027028][ T10] [ 4147.193060][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4147.193656][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4147.193656][ T1167] dst_init+0x84/0x4a0 [ 4147.193656][ T1167] dst_alloc+0x97/0x150 [ 4147.193656][ T1167] ip6_dst_alloc+0x23/0x90 [ 4147.193656][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4147.193656][ T1167] ip6_pol_route+0x56f/0x840 [ 4147.193656][ T1167] fib6_rule_lookup+0x334/0x630 [ 4147.193656][ T1167] ip6_route_output_flags+0x259/0x480 [ 4147.193656][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4147.193656][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4147.193656][ T1167] netlink_rcv_skb+0x130/0x360 [ 4147.193656][ T1167] netlink_unicast+0x449/0x710 [ 4147.193656][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4147.193656][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4147.193656][ T1167] ___sys_sendmsg+0xee/0x170 [ 4147.193656][ T1167] __sys_sendmsg+0xcd/0x170 [ 4147.193656][ T1167] do_syscall_64+0xc6/0x1e0 [ 4147.193656][ T1167] [ 4147.197163][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4147.197163][ T1167] netdev_get_by_index+0x5e/0x80 [ 4147.197163][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4147.197163][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4147.197163][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4147.197163][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4147.197163][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4147.197163][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4147.197163][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4147.197163][ T1167] addrconf_dad_begin+0x310/0x670 [ 4147.197163][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4147.197163][ T1167] process_one_work+0x84d/0x18a0 [ 4147.197163][ T1167] worker_thread+0x587/0xd30 [ 4147.197163][ T1167] kthread+0x28a/0x350 [ 4147.197163][ T1167] ret_from_fork+0x31/0x70 [ 4147.197163][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4147.197163][ T1167] [ 4147.200668][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4147.200668][ T1167] netdev_get_by_index+0x5e/0x80 [ 4147.200668][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4147.200668][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4147.200668][ T1167] ip6_route_add+0x1c/0x140 [ 4147.200668][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4147.200668][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4147.200668][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4147.200668][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4147.200668][ T1167] netlink_rcv_skb+0x130/0x360 [ 4147.200668][ T1167] netlink_unicast+0x449/0x710 [ 4147.200668][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4147.200668][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4147.200668][ T1167] ___sys_sendmsg+0xee/0x170 [ 4147.200668][ T1167] __sys_sendmsg+0xcd/0x170 [ 4147.200668][ T1167] do_syscall_64+0xc6/0x1e0 [ 4147.200668][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4147.200668][ T1167] [ 4147.204280][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4147.204280][ T1167] netdev_get_by_index+0x5e/0x80 [ 4147.204280][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4147.204280][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4147.204280][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4147.204280][ T1167] ipv6_add_addr+0x411/0x2000 [ 4147.204280][ T1167] inet6_addr_add+0x30e/0xa40 [ 4147.204280][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4147.204280][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4147.204280][ T1167] netlink_rcv_skb+0x130/0x360 [ 4147.204280][ T1167] netlink_unicast+0x449/0x710 [ 4147.204280][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4147.204280][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4147.204280][ T1167] ___sys_sendmsg+0xee/0x170 [ 4147.204280][ T1167] __sys_sendmsg+0xcd/0x170 [ 4147.204280][ T1167] do_syscall_64+0xc6/0x1e0 [ 4147.204280][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4147.204280][ T1167] [ 4147.207676][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4147.207676][ T1167] netdev_get_by_index+0x5e/0x80 [ 4147.207676][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4147.207676][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4147.207676][ T1167] ip6_route_add+0x1c/0x140 [ 4147.207676][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4147.207676][ T1167] addrconf_add_dev+0xe2/0x170 [ 4147.207676][ T1167] inet6_addr_add+0x12f/0xa40 [ 4147.207676][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4147.207676][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4147.207676][ T1167] netlink_rcv_skb+0x130/0x360 [ 4147.207676][ T1167] netlink_unicast+0x449/0x710 [ 4147.207676][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4147.207676][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4147.207676][ T1167] ___sys_sendmsg+0xee/0x170 [ 4147.207676][ T1167] __sys_sendmsg+0xcd/0x170 [ 4147.207676][ T1167] do_syscall_64+0xc6/0x1e0 [ 4147.207676][ T1167] [ 4147.211066][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4147.211066][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4147.211066][ T1167] ipv6_find_idev+0x102/0x170 [ 4147.211066][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4147.211066][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4147.211066][ T1167] netlink_rcv_skb+0x130/0x360 [ 4147.211066][ T1167] netlink_unicast+0x449/0x710 [ 4147.211066][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4147.211066][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4147.211066][ T1167] ___sys_sendmsg+0xee/0x170 [ 4147.211066][ T1167] __sys_sendmsg+0xcd/0x170 [ 4147.211066][ T1167] do_syscall_64+0xc6/0x1e0 [ 4147.211066][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4147.211066][ T1167] [ 4147.213699][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4147.213699][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4147.213699][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4147.213699][ T1167] ipv6_find_idev+0x102/0x170 [ 4147.213699][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4147.213699][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4147.213699][ T1167] netlink_rcv_skb+0x130/0x360 [ 4147.213699][ T1167] netlink_unicast+0x449/0x710 [ 4147.213699][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4147.213699][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4147.213699][ T1167] ___sys_sendmsg+0xee/0x170 [ 4147.213699][ T1167] __sys_sendmsg+0xcd/0x170 [ 4147.213699][ T1167] do_syscall_64+0xc6/0x1e0 [ 4147.213699][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4147.213699][ T1167] [ 4151.281112][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4151.281486][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4151.281486][ T10] netdev_get_by_index+0x5e/0x80 [ 4151.281486][ T10] fib6_nh_init+0x3d8/0x1580 [ 4151.281486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4151.281486][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4151.281486][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4151.281486][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4151.281486][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4151.281486][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4151.281486][ T10] addrconf_dad_begin+0x310/0x670 [ 4151.281486][ T10] addrconf_dad_work+0x10b/0xab0 [ 4151.281486][ T10] process_one_work+0x84d/0x18a0 [ 4151.281486][ T10] worker_thread+0x587/0xd30 [ 4151.281486][ T10] kthread+0x28a/0x350 [ 4151.281486][ T10] ret_from_fork+0x31/0x70 [ 4151.281486][ T10] ret_from_fork_asm+0x1a/0x30 [ 4151.281486][ T10] [ 4151.283425][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4151.283425][ T10] netdev_get_by_index+0x5e/0x80 [ 4151.283425][ T10] fib6_nh_init+0x3d8/0x1580 [ 4151.283425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4151.283425][ T10] ip6_route_add+0x1c/0x140 [ 4151.283425][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4151.283425][ T10] inet6_addr_add+0x4f8/0xa40 [ 4151.283425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4151.283425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.283425][ T10] netlink_rcv_skb+0x130/0x360 [ 4151.283425][ T10] netlink_unicast+0x449/0x710 [ 4151.283425][ T10] netlink_sendmsg+0x723/0xbe0 [ 4151.283425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4151.283425][ T10] ___sys_sendmsg+0xee/0x170 [ 4151.283425][ T10] __sys_sendmsg+0xcd/0x170 [ 4151.283425][ T10] do_syscall_64+0xc6/0x1e0 [ 4151.283425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4151.283425][ T10] [ 4151.285442][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4151.285442][ T10] netdev_get_by_index+0x5e/0x80 [ 4151.285442][ T10] fib6_nh_init+0x3d8/0x1580 [ 4151.285442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4151.285442][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4151.285442][ T10] ipv6_add_addr+0x411/0x2000 [ 4151.285442][ T10] inet6_addr_add+0x30e/0xa40 [ 4151.285442][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4151.285442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.285442][ T10] netlink_rcv_skb+0x130/0x360 [ 4151.285442][ T10] netlink_unicast+0x449/0x710 [ 4151.285442][ T10] netlink_sendmsg+0x723/0xbe0 [ 4151.285442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4151.285442][ T10] ___sys_sendmsg+0xee/0x170 [ 4151.285442][ T10] __sys_sendmsg+0xcd/0x170 [ 4151.285442][ T10] do_syscall_64+0xc6/0x1e0 [ 4151.285442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4151.285442][ T10] [ 4151.287452][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4151.287452][ T10] netdev_get_by_index+0x5e/0x80 [ 4151.287452][ T10] fib6_nh_init+0x3d8/0x1580 [ 4151.287452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4151.287452][ T10] ip6_route_add+0x1c/0x140 [ 4151.287452][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4151.287452][ T10] addrconf_add_dev+0xe2/0x170 [ 4151.287452][ T10] inet6_addr_add+0x12f/0xa40 [ 4151.287452][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4151.287452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.287452][ T10] netlink_rcv_skb+0x130/0x360 [ 4151.287452][ T10] netlink_unicast+0x449/0x710 [ 4151.287452][ T10] netlink_sendmsg+0x723/0xbe0 [ 4151.287452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4151.287452][ T10] ___sys_sendmsg+0xee/0x170 [ 4151.287452][ T10] __sys_sendmsg+0xcd/0x170 [ 4151.287452][ T10] do_syscall_64+0xc6/0x1e0 [ 4151.287452][ T10] [ 4151.289464][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4151.289464][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4151.289464][ T10] ipv6_find_idev+0x102/0x170 [ 4151.289464][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4151.289464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.289464][ T10] netlink_rcv_skb+0x130/0x360 [ 4151.289464][ T10] netlink_unicast+0x449/0x710 [ 4151.289464][ T10] netlink_sendmsg+0x723/0xbe0 [ 4151.289464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4151.289464][ T10] ___sys_sendmsg+0xee/0x170 [ 4151.289464][ T10] __sys_sendmsg+0xcd/0x170 [ 4151.289464][ T10] do_syscall_64+0xc6/0x1e0 [ 4151.289464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4151.289464][ T10] [ 4151.291008][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4151.291008][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4151.291008][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4151.291008][ T10] ipv6_find_idev+0x102/0x170 [ 4151.291008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4151.291008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.291008][ T10] netlink_rcv_skb+0x130/0x360 [ 4151.291008][ T10] netlink_unicast+0x449/0x710 [ 4151.291008][ T10] netlink_sendmsg+0x723/0xbe0 [ 4151.291008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4151.291008][ T10] ___sys_sendmsg+0xee/0x170 [ 4151.291008][ T10] __sys_sendmsg+0xcd/0x170 [ 4151.291008][ T10] do_syscall_64+0xc6/0x1e0 [ 4151.291008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4151.291008][ T10] [ 4151.292716][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4151.292966][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4151.292966][ T10] netdev_get_by_index+0x5e/0x80 [ 4151.292966][ T10] fib6_nh_init+0x3d8/0x1580 [ 4151.292966][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4151.292966][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4151.292966][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4151.292966][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4151.292966][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4151.292966][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4151.292966][ T10] addrconf_dad_begin+0x310/0x670 [ 4151.292966][ T10] addrconf_dad_work+0x10b/0xab0 [ 4151.292966][ T10] process_one_work+0x84d/0x18a0 [ 4151.292966][ T10] worker_thread+0x587/0xd30 [ 4151.292966][ T10] kthread+0x28a/0x350 [ 4151.292966][ T10] ret_from_fork+0x31/0x70 [ 4151.292966][ T10] ret_from_fork_asm+0x1a/0x30 [ 4151.292966][ T10] [ 4151.294895][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4151.294895][ T10] netdev_get_by_index+0x5e/0x80 [ 4151.294895][ T10] fib6_nh_init+0x3d8/0x1580 [ 4151.294895][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4151.294895][ T10] ip6_route_add+0x1c/0x140 [ 4151.294895][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4151.294895][ T10] inet6_addr_add+0x4f8/0xa40 [ 4151.294895][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4151.294895][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.294895][ T10] netlink_rcv_skb+0x130/0x360 [ 4151.294895][ T10] netlink_unicast+0x449/0x710 [ 4151.294895][ T10] netlink_sendmsg+0x723/0xbe0 [ 4151.294895][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4151.294895][ T10] ___sys_sendmsg+0xee/0x170 [ 4151.294895][ T10] __sys_sendmsg+0xcd/0x170 [ 4151.294895][ T10] do_syscall_64+0xc6/0x1e0 [ 4151.294895][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4151.294895][ T10] [ 4151.296896][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4151.296896][ T10] netdev_get_by_index+0x5e/0x80 [ 4151.296896][ T10] fib6_nh_init+0x3d8/0x1580 [ 4151.296896][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4151.296896][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4151.296896][ T10] ipv6_add_addr+0x411/0x2000 [ 4151.296896][ T10] inet6_addr_add+0x30e/0xa40 [ 4151.296896][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4151.296896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.296896][ T10] netlink_rcv_skb+0x130/0x360 [ 4151.296896][ T10] netlink_unicast+0x449/0x710 [ 4151.296896][ T10] netlink_sendmsg+0x723/0xbe0 [ 4151.296896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4151.296896][ T10] ___sys_sendmsg+0xee/0x170 [ 4151.296896][ T10] __sys_sendmsg+0xcd/0x170 [ 4151.296896][ T10] do_syscall_64+0xc6/0x1e0 [ 4151.296896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4151.296896][ T10] [ 4151.298909][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4151.298909][ T10] netdev_get_by_index+0x5e/0x80 [ 4151.298909][ T10] fib6_nh_init+0x3d8/0x1580 [ 4151.298909][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4151.298909][ T10] ip6_route_add+0x1c/0x140 [ 4151.298909][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4151.298909][ T10] addrconf_add_dev+0xe2/0x170 [ 4151.298909][ T10] inet6_addr_add+0x12f/0xa40 [ 4151.298909][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4151.298909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.298909][ T10] netlink_rcv_skb+0x130/0x360 [ 4151.298909][ T10] netlink_unicast+0x449/0x710 [ 4151.298909][ T10] netlink_sendmsg+0x723/0xbe0 [ 4151.298909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4151.298909][ T10] ___sys_sendmsg+0xee/0x170 [ 4151.298909][ T10] __sys_sendmsg+0xcd/0x170 [ 4151.298909][ T10] do_syscall_64+0xc6/0x1e0 [ 4151.298909][ T10] [ 4151.300876][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4151.300876][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4151.300876][ T10] ipv6_find_idev+0x102/0x170 [ 4151.300876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4151.300876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.300876][ T10] netlink_rcv_skb+0x130/0x360 [ 4151.300876][ T10] netlink_unicast+0x449/0x710 [ 4151.300876][ T10] netlink_sendmsg+0x723/0xbe0 [ 4151.300876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4151.300876][ T10] ___sys_sendmsg+0xee/0x170 [ 4151.300876][ T10] __sys_sendmsg+0xcd/0x170 [ 4151.300876][ T10] do_syscall_64+0xc6/0x1e0 [ 4151.300876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4151.300876][ T10] [ 4151.302417][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4151.302417][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4151.302417][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4151.302417][ T10] ipv6_find_idev+0x102/0x170 [ 4151.302417][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4151.302417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.302417][ T10] netlink_rcv_skb+0x130/0x360 [ 4151.302417][ T10] netlink_unicast+0x449/0x710 [ 4151.302417][ T10] netlink_sendmsg+0x723/0xbe0 [ 4151.302417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4151.302417][ T10] ___sys_sendmsg+0xee/0x170 [ 4151.302417][ T10] __sys_sendmsg+0xcd/0x170 [ 4151.302417][ T10] do_syscall_64+0xc6/0x1e0 [ 4151.302417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4151.302417][ T10] [ 4151.304109][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4151.304350][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4151.304350][ T10] netdev_get_by_index+0x5e/0x80 [ 4151.304350][ T10] fib6_nh_init+0x3d8/0x1580 [ 4151.304350][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4151.304350][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4151.304350][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4151.304350][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4151.304350][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4151.304350][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4151.304350][ T10] addrconf_dad_begin+0x310/0x670 [ 4151.304350][ T10] addrconf_dad_work+0x10b/0xab0 [ 4151.304350][ T10] process_one_work+0x84d/0x18a0 [ 4151.304350][ T10] worker_thread+0x587/0xd30 [ 4151.304350][ T10] kthread+0x28a/0x350 [ 4151.304350][ T10] ret_from_fork+0x31/0x70 [ 4151.304350][ T10] ret_from_fork_asm+0x1a/0x30 [ 4151.304350][ T10] [ 4151.306267][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4151.306267][ T10] netdev_get_by_index+0x5e/0x80 [ 4151.306267][ T10] fib6_nh_init+0x3d8/0x1580 [ 4151.306267][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4151.306267][ T10] ip6_route_add+0x1c/0x140 [ 4151.306267][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4151.306267][ T10] inet6_addr_add+0x4f8/0xa40 [ 4151.306267][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4151.306267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.306267][ T10] netlink_rcv_skb+0x130/0x360 [ 4151.306267][ T10] netlink_unicast+0x449/0x710 [ 4151.306267][ T10] netlink_sendmsg+0x723/0xbe0 [ 4151.306267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4151.306267][ T10] ___sys_sendmsg+0xee/0x170 [ 4151.306267][ T10] __sys_sendmsg+0xcd/0x170 [ 4151.306267][ T10] do_syscall_64+0xc6/0x1e0 [ 4151.306267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4151.306267][ T10] [ 4151.308457][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4151.308457][ T10] netdev_get_by_index+0x5e/0x80 [ 4151.308457][ T10] fib6_nh_init+0x3d8/0x1580 [ 4151.308457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4151.308457][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4151.308457][ T10] ipv6_add_addr+0x411/0x2000 [ 4151.308457][ T10] inet6_addr_add+0x30e/0xa40 [ 4151.308457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4151.308457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.308457][ T10] netlink_rcv_skb+0x130/0x360 [ 4151.308457][ T10] netlink_unicast+0x449/0x710 [ 4151.308457][ T10] netlink_sendmsg+0x723/0xbe0 [ 4151.308457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4151.308457][ T10] ___sys_sendmsg+0xee/0x170 [ 4151.308457][ T10] __sys_sendmsg+0xcd/0x170 [ 4151.308457][ T10] do_syscall_64+0xc6/0x1e0 [ 4151.308457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4151.308457][ T10] [ 4151.310767][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4151.310767][ T10] netdev_get_by_index+0x5e/0x80 [ 4151.310767][ T10] fib6_nh_init+0x3d8/0x1580 [ 4151.310767][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4151.310767][ T10] ip6_route_add+0x1c/0x140 [ 4151.310767][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4151.310767][ T10] addrconf_add_dev+0xe2/0x170 [ 4151.310767][ T10] inet6_addr_add+0x12f/0xa40 [ 4151.310767][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4151.310767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.310767][ T10] netlink_rcv_skb+0x130/0x360 [ 4151.310767][ T10] netlink_unicast+0x449/0x710 [ 4151.310767][ T10] netlink_sendmsg+0x723/0xbe0 [ 4151.310767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4151.310767][ T10] ___sys_sendmsg+0xee/0x170 [ 4151.310767][ T10] __sys_sendmsg+0xcd/0x170 [ 4151.310767][ T10] do_syscall_64+0xc6/0x1e0 [ 4151.310767][ T10] [ 4151.312973][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4151.312973][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4151.312973][ T10] ipv6_find_idev+0x102/0x170 [ 4151.312973][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4151.312973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.312973][ T10] netlink_rcv_skb+0x130/0x360 [ 4151.312973][ T10] netlink_unicast+0x449/0x710 [ 4151.312973][ T10] netlink_sendmsg+0x723/0xbe0 [ 4151.312973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4151.312973][ T10] ___sys_sendmsg+0xee/0x170 [ 4151.312973][ T10] __sys_sendmsg+0xcd/0x170 [ 4151.312973][ T10] do_syscall_64+0xc6/0x1e0 [ 4151.312973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4151.312973][ T10] [ 4151.314710][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4151.314710][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4151.314710][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4151.314710][ T10] ipv6_find_idev+0x102/0x170 [ 4151.314710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4151.314710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.314710][ T10] netlink_rcv_skb+0x130/0x360 [ 4151.314710][ T10] netlink_unicast+0x449/0x710 [ 4151.314710][ T10] netlink_sendmsg+0x723/0xbe0 [ 4151.314710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4151.314710][ T10] ___sys_sendmsg+0xee/0x170 [ 4151.314710][ T10] __sys_sendmsg+0xcd/0x170 [ 4151.314710][ T10] do_syscall_64+0xc6/0x1e0 [ 4151.314710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4151.314710][ T10] [ 4151.316582][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4151.316819][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4151.316819][ T10] netdev_get_by_index+0x5e/0x80 [ 4151.316819][ T10] fib6_nh_init+0x3d8/0x1580 [ 4151.316819][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4151.316819][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4151.316819][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4151.316819][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4151.316819][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4151.316819][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4151.316819][ T10] addrconf_dad_begin+0x310/0x670 [ 4151.316819][ T10] addrconf_dad_work+0x10b/0xab0 [ 4151.316819][ T10] process_one_work+0x84d/0x18a0 [ 4151.316819][ T10] worker_thread+0x587/0xd30 [ 4151.316819][ T10] kthread+0x28a/0x350 [ 4151.316819][ T10] ret_from_fork+0x31/0x70 [ 4151.316819][ T10] ret_from_fork_asm+0x1a/0x30 [ 4151.316819][ T10] [ 4151.319069][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4151.319069][ T10] netdev_get_by_index+0x5e/0x80 [ 4151.319069][ T10] fib6_nh_init+0x3d8/0x1580 [ 4151.319069][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4151.319069][ T10] ip6_route_add+0x1c/0x140 [ 4151.319069][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4151.319069][ T10] inet6_addr_add+0x4f8/0xa40 [ 4151.319069][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4151.319069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.319069][ T10] netlink_rcv_skb+0x130/0x360 [ 4151.319069][ T10] netlink_unicast+0x449/0x710 [ 4151.319069][ T10] netlink_sendmsg+0x723/0xbe0 [ 4151.319069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4151.319069][ T10] ___sys_sendmsg+0xee/0x170 [ 4151.319069][ T10] __sys_sendmsg+0xcd/0x170 [ 4151.319069][ T10] do_syscall_64+0xc6/0x1e0 [ 4151.319069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4151.319069][ T10] [ 4151.321328][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4151.321328][ T10] netdev_get_by_index+0x5e/0x80 [ 4151.321328][ T10] fib6_nh_init+0x3d8/0x1580 [ 4151.321328][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4151.321328][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4151.321328][ T10] ipv6_add_addr+0x411/0x2000 [ 4151.321328][ T10] inet6_addr_add+0x30e/0xa40 [ 4151.321328][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4151.321328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.321328][ T10] netlink_rcv_skb+0x130/0x360 [ 4151.321328][ T10] netlink_unicast+0x449/0x710 [ 4151.321328][ T10] netlink_sendmsg+0x723/0xbe0 [ 4151.321328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4151.321328][ T10] ___sys_sendmsg+0xee/0x170 [ 4151.321328][ T10] __sys_sendmsg+0xcd/0x170 [ 4151.321328][ T10] do_syscall_64+0xc6/0x1e0 [ 4151.321328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4151.321328][ T10] [ 4151.323512][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4151.323512][ T10] netdev_get_by_index+0x5e/0x80 [ 4151.323512][ T10] fib6_nh_init+0x3d8/0x1580 [ 4151.323512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4151.323512][ T10] ip6_route_add+0x1c/0x140 [ 4151.323512][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4151.323512][ T10] addrconf_add_dev+0xe2/0x170 [ 4151.323512][ T10] inet6_addr_add+0x12f/0xa40 [ 4151.323512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4151.323512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.323512][ T10] netlink_rcv_skb+0x130/0x360 [ 4151.323512][ T10] netlink_unicast+0x449/0x710 [ 4151.323512][ T10] netlink_sendmsg+0x723/0xbe0 [ 4151.323512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4151.323512][ T10] ___sys_sendmsg+0xee/0x170 [ 4151.323512][ T10] __sys_sendmsg+0xcd/0x170 [ 4151.323512][ T10] do_syscall_64+0xc6/0x1e0 [ 4151.323512][ T10] [ 4151.325727][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4151.325727][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4151.325727][ T10] ipv6_find_idev+0x102/0x170 [ 4151.325727][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4151.325727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.325727][ T10] netlink_rcv_skb+0x130/0x360 [ 4151.325727][ T10] netlink_unicast+0x449/0x710 [ 4151.325727][ T10] netlink_sendmsg+0x723/0xbe0 [ 4151.325727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4151.325727][ T10] ___sys_sendmsg+0xee/0x170 [ 4151.325727][ T10] __sys_sendmsg+0xcd/0x170 [ 4151.325727][ T10] do_syscall_64+0xc6/0x1e0 [ 4151.325727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4151.325727][ T10] [ 4151.327450][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4151.327450][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4151.327450][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4151.327450][ T10] ipv6_find_idev+0x102/0x170 [ 4151.327450][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4151.327450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.327450][ T10] netlink_rcv_skb+0x130/0x360 [ 4151.327450][ T10] netlink_unicast+0x449/0x710 [ 4151.327450][ T10] netlink_sendmsg+0x723/0xbe0 [ 4151.327450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4151.327450][ T10] ___sys_sendmsg+0xee/0x170 [ 4151.327450][ T10] __sys_sendmsg+0xcd/0x170 [ 4151.327450][ T10] do_syscall_64+0xc6/0x1e0 [ 4151.327450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4151.327450][ T10] [ 4157.465138][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4157.465648][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4157.465648][ T1167] dst_init+0x84/0x4a0 [ 4157.465648][ T1167] dst_alloc+0x97/0x150 [ 4157.465648][ T1167] ip6_dst_alloc+0x23/0x90 [ 4157.465648][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4157.465648][ T1167] ip6_pol_route+0x56f/0x840 [ 4157.465648][ T1167] fib6_rule_lookup+0x334/0x630 [ 4157.465648][ T1167] ip6_route_output_flags+0x259/0x480 [ 4157.465648][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4157.465648][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4157.465648][ T1167] netlink_rcv_skb+0x130/0x360 [ 4157.465648][ T1167] netlink_unicast+0x449/0x710 [ 4157.465648][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4157.465648][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4157.465648][ T1167] ___sys_sendmsg+0xee/0x170 [ 4157.465648][ T1167] __sys_sendmsg+0xcd/0x170 [ 4157.465648][ T1167] do_syscall_64+0xc6/0x1e0 [ 4157.465648][ T1167] [ 4157.467915][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4157.467915][ T1167] netdev_get_by_index+0x5e/0x80 [ 4157.467915][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4157.467915][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4157.467915][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4157.467915][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4157.467915][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4157.467915][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4157.467915][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4157.467915][ T1167] addrconf_dad_begin+0x310/0x670 [ 4157.467915][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4157.467915][ T1167] process_one_work+0x84d/0x18a0 [ 4157.467915][ T1167] worker_thread+0x587/0xd30 [ 4157.467915][ T1167] kthread+0x28a/0x350 [ 4157.467915][ T1167] ret_from_fork+0x31/0x70 [ 4157.467915][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4157.467915][ T1167] [ 4157.470098][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4157.470098][ T1167] netdev_get_by_index+0x5e/0x80 [ 4157.470098][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4157.470098][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4157.470098][ T1167] ip6_route_add+0x1c/0x140 [ 4157.470098][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4157.470098][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4157.470098][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4157.470098][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4157.470098][ T1167] netlink_rcv_skb+0x130/0x360 [ 4157.470098][ T1167] netlink_unicast+0x449/0x710 [ 4157.470098][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4157.470098][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4157.470098][ T1167] ___sys_sendmsg+0xee/0x170 [ 4157.470098][ T1167] __sys_sendmsg+0xcd/0x170 [ 4157.470098][ T1167] do_syscall_64+0xc6/0x1e0 [ 4157.470098][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4157.470098][ T1167] [ 4157.472503][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4157.472503][ T1167] netdev_get_by_index+0x5e/0x80 [ 4157.472503][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4157.472503][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4157.472503][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4157.472503][ T1167] ipv6_add_addr+0x411/0x2000 [ 4157.472503][ T1167] inet6_addr_add+0x30e/0xa40 [ 4157.472503][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4157.472503][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4157.472503][ T1167] netlink_rcv_skb+0x130/0x360 [ 4157.472503][ T1167] netlink_unicast+0x449/0x710 [ 4157.472503][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4157.472503][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4157.472503][ T1167] ___sys_sendmsg+0xee/0x170 [ 4157.472503][ T1167] __sys_sendmsg+0xcd/0x170 [ 4157.472503][ T1167] do_syscall_64+0xc6/0x1e0 [ 4157.472503][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4157.472503][ T1167] [ 4157.474761][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4157.474761][ T1167] netdev_get_by_index+0x5e/0x80 [ 4157.474761][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4157.474761][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4157.474761][ T1167] ip6_route_add+0x1c/0x140 [ 4157.474761][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4157.474761][ T1167] addrconf_add_dev+0xe2/0x170 [ 4157.474761][ T1167] inet6_addr_add+0x12f/0xa40 [ 4157.474761][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4157.474761][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4157.474761][ T1167] netlink_rcv_skb+0x130/0x360 [ 4157.474761][ T1167] netlink_unicast+0x449/0x710 [ 4157.474761][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4157.474761][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4157.474761][ T1167] ___sys_sendmsg+0xee/0x170 [ 4157.474761][ T1167] __sys_sendmsg+0xcd/0x170 [ 4157.474761][ T1167] do_syscall_64+0xc6/0x1e0 [ 4157.474761][ T1167] [ 4157.476982][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4157.476982][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4157.476982][ T1167] ipv6_find_idev+0x102/0x170 [ 4157.476982][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4157.476982][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4157.476982][ T1167] netlink_rcv_skb+0x130/0x360 [ 4157.476982][ T1167] netlink_unicast+0x449/0x710 [ 4157.476982][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4157.476982][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4157.476982][ T1167] ___sys_sendmsg+0xee/0x170 [ 4157.476982][ T1167] __sys_sendmsg+0xcd/0x170 [ 4157.476982][ T1167] do_syscall_64+0xc6/0x1e0 [ 4157.476982][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4157.476982][ T1167] [ 4157.478733][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4157.478733][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4157.478733][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4157.478733][ T1167] ipv6_find_idev+0x102/0x170 [ 4157.478733][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4157.478733][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4157.478733][ T1167] netlink_rcv_skb+0x130/0x360 [ 4157.478733][ T1167] netlink_unicast+0x449/0x710 [ 4157.478733][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4157.478733][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4157.478733][ T1167] ___sys_sendmsg+0xee/0x170 [ 4157.478733][ T1167] __sys_sendmsg+0xcd/0x170 [ 4157.478733][ T1167] do_syscall_64+0xc6/0x1e0 [ 4157.478733][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4157.478733][ T1167] [ 4161.585043][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4161.585463][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4161.585463][ T10] netdev_get_by_index+0x5e/0x80 [ 4161.585463][ T10] fib6_nh_init+0x3d8/0x1580 [ 4161.585463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4161.585463][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4161.585463][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4161.585463][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4161.585463][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4161.585463][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4161.585463][ T10] addrconf_dad_begin+0x310/0x670 [ 4161.585463][ T10] addrconf_dad_work+0x10b/0xab0 [ 4161.585463][ T10] process_one_work+0x84d/0x18a0 [ 4161.585463][ T10] worker_thread+0x587/0xd30 [ 4161.585463][ T10] kthread+0x28a/0x350 [ 4161.585463][ T10] ret_from_fork+0x31/0x70 [ 4161.585463][ T10] ret_from_fork_asm+0x1a/0x30 [ 4161.585463][ T10] [ 4161.587436][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4161.587436][ T10] netdev_get_by_index+0x5e/0x80 [ 4161.587436][ T10] fib6_nh_init+0x3d8/0x1580 [ 4161.587436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4161.587436][ T10] ip6_route_add+0x1c/0x140 [ 4161.587436][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4161.587436][ T10] inet6_addr_add+0x4f8/0xa40 [ 4161.587436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4161.587436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.587436][ T10] netlink_rcv_skb+0x130/0x360 [ 4161.587436][ T10] netlink_unicast+0x449/0x710 [ 4161.587436][ T10] netlink_sendmsg+0x723/0xbe0 [ 4161.587436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4161.587436][ T10] ___sys_sendmsg+0xee/0x170 [ 4161.587436][ T10] __sys_sendmsg+0xcd/0x170 [ 4161.587436][ T10] do_syscall_64+0xc6/0x1e0 [ 4161.587436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4161.587436][ T10] [ 4161.589462][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4161.589462][ T10] netdev_get_by_index+0x5e/0x80 [ 4161.589462][ T10] fib6_nh_init+0x3d8/0x1580 [ 4161.589462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4161.589462][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4161.589462][ T10] ipv6_add_addr+0x411/0x2000 [ 4161.589462][ T10] inet6_addr_add+0x30e/0xa40 [ 4161.589462][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4161.589462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.589462][ T10] netlink_rcv_skb+0x130/0x360 [ 4161.589462][ T10] netlink_unicast+0x449/0x710 [ 4161.589462][ T10] netlink_sendmsg+0x723/0xbe0 [ 4161.589462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4161.589462][ T10] ___sys_sendmsg+0xee/0x170 [ 4161.589462][ T10] __sys_sendmsg+0xcd/0x170 [ 4161.589462][ T10] do_syscall_64+0xc6/0x1e0 [ 4161.589462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4161.589462][ T10] [ 4161.591461][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4161.591461][ T10] netdev_get_by_index+0x5e/0x80 [ 4161.591461][ T10] fib6_nh_init+0x3d8/0x1580 [ 4161.591461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4161.591461][ T10] ip6_route_add+0x1c/0x140 [ 4161.591461][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4161.591461][ T10] addrconf_add_dev+0xe2/0x170 [ 4161.591461][ T10] inet6_addr_add+0x12f/0xa40 [ 4161.591461][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4161.591461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.591461][ T10] netlink_rcv_skb+0x130/0x360 [ 4161.591461][ T10] netlink_unicast+0x449/0x710 [ 4161.591461][ T10] netlink_sendmsg+0x723/0xbe0 [ 4161.591461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4161.591461][ T10] ___sys_sendmsg+0xee/0x170 [ 4161.591461][ T10] __sys_sendmsg+0xcd/0x170 [ 4161.591461][ T10] do_syscall_64+0xc6/0x1e0 [ 4161.591461][ T10] [ 4161.593423][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4161.593423][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4161.593423][ T10] ipv6_find_idev+0x102/0x170 [ 4161.593423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4161.593423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.593423][ T10] netlink_rcv_skb+0x130/0x360 [ 4161.593423][ T10] netlink_unicast+0x449/0x710 [ 4161.593423][ T10] netlink_sendmsg+0x723/0xbe0 [ 4161.593423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4161.593423][ T10] ___sys_sendmsg+0xee/0x170 [ 4161.593423][ T10] __sys_sendmsg+0xcd/0x170 [ 4161.593423][ T10] do_syscall_64+0xc6/0x1e0 [ 4161.593423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4161.593423][ T10] [ 4161.594957][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4161.594957][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4161.594957][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4161.594957][ T10] ipv6_find_idev+0x102/0x170 [ 4161.594957][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4161.594957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.594957][ T10] netlink_rcv_skb+0x130/0x360 [ 4161.594957][ T10] netlink_unicast+0x449/0x710 [ 4161.594957][ T10] netlink_sendmsg+0x723/0xbe0 [ 4161.594957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4161.594957][ T10] ___sys_sendmsg+0xee/0x170 [ 4161.594957][ T10] __sys_sendmsg+0xcd/0x170 [ 4161.594957][ T10] do_syscall_64+0xc6/0x1e0 [ 4161.594957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4161.594957][ T10] [ 4161.596633][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4161.596882][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4161.596882][ T10] netdev_get_by_index+0x5e/0x80 [ 4161.596882][ T10] fib6_nh_init+0x3d8/0x1580 [ 4161.596882][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4161.596882][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4161.596882][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4161.596882][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4161.596882][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4161.596882][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4161.596882][ T10] addrconf_dad_begin+0x310/0x670 [ 4161.596882][ T10] addrconf_dad_work+0x10b/0xab0 [ 4161.596882][ T10] process_one_work+0x84d/0x18a0 [ 4161.596882][ T10] worker_thread+0x587/0xd30 [ 4161.596882][ T10] kthread+0x28a/0x350 [ 4161.596882][ T10] ret_from_fork+0x31/0x70 [ 4161.596882][ T10] ret_from_fork_asm+0x1a/0x30 [ 4161.596882][ T10] [ 4161.598799][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4161.598799][ T10] netdev_get_by_index+0x5e/0x80 [ 4161.598799][ T10] fib6_nh_init+0x3d8/0x1580 [ 4161.598799][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4161.598799][ T10] ip6_route_add+0x1c/0x140 [ 4161.598799][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4161.598799][ T10] inet6_addr_add+0x4f8/0xa40 [ 4161.598799][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4161.598799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.598799][ T10] netlink_rcv_skb+0x130/0x360 [ 4161.598799][ T10] netlink_unicast+0x449/0x710 [ 4161.598799][ T10] netlink_sendmsg+0x723/0xbe0 [ 4161.598799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4161.598799][ T10] ___sys_sendmsg+0xee/0x170 [ 4161.598799][ T10] __sys_sendmsg+0xcd/0x170 [ 4161.598799][ T10] do_syscall_64+0xc6/0x1e0 [ 4161.598799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4161.598799][ T10] [ 4161.600779][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4161.600779][ T10] netdev_get_by_index+0x5e/0x80 [ 4161.600779][ T10] fib6_nh_init+0x3d8/0x1580 [ 4161.600779][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4161.600779][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4161.600779][ T10] ipv6_add_addr+0x411/0x2000 [ 4161.600779][ T10] inet6_addr_add+0x30e/0xa40 [ 4161.600779][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4161.600779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.600779][ T10] netlink_rcv_skb+0x130/0x360 [ 4161.600779][ T10] netlink_unicast+0x449/0x710 [ 4161.600779][ T10] netlink_sendmsg+0x723/0xbe0 [ 4161.600779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4161.600779][ T10] ___sys_sendmsg+0xee/0x170 [ 4161.600779][ T10] __sys_sendmsg+0xcd/0x170 [ 4161.600779][ T10] do_syscall_64+0xc6/0x1e0 [ 4161.600779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4161.600779][ T10] [ 4161.602781][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4161.602781][ T10] netdev_get_by_index+0x5e/0x80 [ 4161.602781][ T10] fib6_nh_init+0x3d8/0x1580 [ 4161.602781][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4161.602781][ T10] ip6_route_add+0x1c/0x140 [ 4161.602781][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4161.602781][ T10] addrconf_add_dev+0xe2/0x170 [ 4161.602781][ T10] inet6_addr_add+0x12f/0xa40 [ 4161.602781][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4161.602781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.602781][ T10] netlink_rcv_skb+0x130/0x360 [ 4161.602781][ T10] netlink_unicast+0x449/0x710 [ 4161.602781][ T10] netlink_sendmsg+0x723/0xbe0 [ 4161.602781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4161.602781][ T10] ___sys_sendmsg+0xee/0x170 [ 4161.602781][ T10] __sys_sendmsg+0xcd/0x170 [ 4161.602781][ T10] do_syscall_64+0xc6/0x1e0 [ 4161.602781][ T10] [ 4161.604749][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4161.604749][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4161.604749][ T10] ipv6_find_idev+0x102/0x170 [ 4161.604749][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4161.604749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.604749][ T10] netlink_rcv_skb+0x130/0x360 [ 4161.604749][ T10] netlink_unicast+0x449/0x710 [ 4161.604749][ T10] netlink_sendmsg+0x723/0xbe0 [ 4161.604749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4161.604749][ T10] ___sys_sendmsg+0xee/0x170 [ 4161.604749][ T10] __sys_sendmsg+0xcd/0x170 [ 4161.604749][ T10] do_syscall_64+0xc6/0x1e0 [ 4161.604749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4161.604749][ T10] [ 4161.606289][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4161.606289][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4161.606289][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4161.606289][ T10] ipv6_find_idev+0x102/0x170 [ 4161.606289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4161.606289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.606289][ T10] netlink_rcv_skb+0x130/0x360 [ 4161.606289][ T10] netlink_unicast+0x449/0x710 [ 4161.606289][ T10] netlink_sendmsg+0x723/0xbe0 [ 4161.606289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4161.606289][ T10] ___sys_sendmsg+0xee/0x170 [ 4161.606289][ T10] __sys_sendmsg+0xcd/0x170 [ 4161.606289][ T10] do_syscall_64+0xc6/0x1e0 [ 4161.606289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4161.606289][ T10] [ 4161.607968][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4161.608217][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4161.608217][ T10] netdev_get_by_index+0x5e/0x80 [ 4161.608217][ T10] fib6_nh_init+0x3d8/0x1580 [ 4161.608217][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4161.608217][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4161.608217][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4161.608217][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4161.608217][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4161.608217][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4161.608217][ T10] addrconf_dad_begin+0x310/0x670 [ 4161.608217][ T10] addrconf_dad_work+0x10b/0xab0 [ 4161.608217][ T10] process_one_work+0x84d/0x18a0 [ 4161.608217][ T10] worker_thread+0x587/0xd30 [ 4161.608217][ T10] kthread+0x28a/0x350 [ 4161.608217][ T10] ret_from_fork+0x31/0x70 [ 4161.608217][ T10] ret_from_fork_asm+0x1a/0x30 [ 4161.608217][ T10] [ 4161.610151][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4161.610151][ T10] netdev_get_by_index+0x5e/0x80 [ 4161.610151][ T10] fib6_nh_init+0x3d8/0x1580 [ 4161.610151][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4161.610151][ T10] ip6_route_add+0x1c/0x140 [ 4161.610151][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4161.610151][ T10] inet6_addr_add+0x4f8/0xa40 [ 4161.610151][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4161.610151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.610151][ T10] netlink_rcv_skb+0x130/0x360 [ 4161.610151][ T10] netlink_unicast+0x449/0x710 [ 4161.610151][ T10] netlink_sendmsg+0x723/0xbe0 [ 4161.610151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4161.610151][ T10] ___sys_sendmsg+0xee/0x170 [ 4161.610151][ T10] __sys_sendmsg+0xcd/0x170 [ 4161.610151][ T10] do_syscall_64+0xc6/0x1e0 [ 4161.610151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4161.610151][ T10] [ 4161.612282][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4161.612282][ T10] netdev_get_by_index+0x5e/0x80 [ 4161.612282][ T10] fib6_nh_init+0x3d8/0x1580 [ 4161.612282][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4161.612282][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4161.612282][ T10] ipv6_add_addr+0x411/0x2000 [ 4161.612282][ T10] inet6_addr_add+0x30e/0xa40 [ 4161.612282][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4161.612282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.612282][ T10] netlink_rcv_skb+0x130/0x360 [ 4161.612282][ T10] netlink_unicast+0x449/0x710 [ 4161.612282][ T10] netlink_sendmsg+0x723/0xbe0 [ 4161.612282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4161.612282][ T10] ___sys_sendmsg+0xee/0x170 [ 4161.612282][ T10] __sys_sendmsg+0xcd/0x170 [ 4161.612282][ T10] do_syscall_64+0xc6/0x1e0 [ 4161.612282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4161.612282][ T10] [ 4161.614405][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4161.614405][ T10] netdev_get_by_index+0x5e/0x80 [ 4161.614405][ T10] fib6_nh_init+0x3d8/0x1580 [ 4161.614405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4161.614405][ T10] ip6_route_add+0x1c/0x140 [ 4161.614405][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4161.614405][ T10] addrconf_add_dev+0xe2/0x170 [ 4161.614405][ T10] inet6_addr_add+0x12f/0xa40 [ 4161.614405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4161.614405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.614405][ T10] netlink_rcv_skb+0x130/0x360 [ 4161.614405][ T10] netlink_unicast+0x449/0x710 [ 4161.614405][ T10] netlink_sendmsg+0x723/0xbe0 [ 4161.614405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4161.614405][ T10] ___sys_sendmsg+0xee/0x170 [ 4161.614405][ T10] __sys_sendmsg+0xcd/0x170 [ 4161.614405][ T10] do_syscall_64+0xc6/0x1e0 [ 4161.614405][ T10] [ 4161.616484][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4161.616484][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4161.616484][ T10] ipv6_find_idev+0x102/0x170 [ 4161.616484][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4161.616484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.616484][ T10] netlink_rcv_skb+0x130/0x360 [ 4161.616484][ T10] netlink_unicast+0x449/0x710 [ 4161.616484][ T10] netlink_sendmsg+0x723/0xbe0 [ 4161.616484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4161.616484][ T10] ___sys_sendmsg+0xee/0x170 [ 4161.616484][ T10] __sys_sendmsg+0xcd/0x170 [ 4161.616484][ T10] do_syscall_64+0xc6/0x1e0 [ 4161.616484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4161.616484][ T10] [ 4161.618100][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4161.618100][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4161.618100][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4161.618100][ T10] ipv6_find_idev+0x102/0x170 [ 4161.618100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4161.618100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.618100][ T10] netlink_rcv_skb+0x130/0x360 [ 4161.618100][ T10] netlink_unicast+0x449/0x710 [ 4161.618100][ T10] netlink_sendmsg+0x723/0xbe0 [ 4161.618100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4161.618100][ T10] ___sys_sendmsg+0xee/0x170 [ 4161.618100][ T10] __sys_sendmsg+0xcd/0x170 [ 4161.618100][ T10] do_syscall_64+0xc6/0x1e0 [ 4161.618100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4161.618100][ T10] [ 4161.619912][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4161.620593][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4161.620593][ T10] netdev_get_by_index+0x5e/0x80 [ 4161.620593][ T10] fib6_nh_init+0x3d8/0x1580 [ 4161.620593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4161.620593][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4161.620593][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4161.620593][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4161.620593][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4161.620593][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4161.620593][ T10] addrconf_dad_begin+0x310/0x670 [ 4161.620593][ T10] addrconf_dad_work+0x10b/0xab0 [ 4161.620593][ T10] process_one_work+0x84d/0x18a0 [ 4161.620593][ T10] worker_thread+0x587/0xd30 [ 4161.620593][ T10] kthread+0x28a/0x350 [ 4161.620593][ T10] ret_from_fork+0x31/0x70 [ 4161.620593][ T10] ret_from_fork_asm+0x1a/0x30 [ 4161.620593][ T10] [ 4161.622491][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4161.622491][ T10] netdev_get_by_index+0x5e/0x80 [ 4161.622491][ T10] fib6_nh_init+0x3d8/0x1580 [ 4161.622491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4161.622491][ T10] ip6_route_add+0x1c/0x140 [ 4161.622491][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4161.622491][ T10] inet6_addr_add+0x4f8/0xa40 [ 4161.622491][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4161.622491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.622491][ T10] netlink_rcv_skb+0x130/0x360 [ 4161.622491][ T10] netlink_unicast+0x449/0x710 [ 4161.622491][ T10] netlink_sendmsg+0x723/0xbe0 [ 4161.622491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4161.622491][ T10] ___sys_sendmsg+0xee/0x170 [ 4161.622491][ T10] __sys_sendmsg+0xcd/0x170 [ 4161.622491][ T10] do_syscall_64+0xc6/0x1e0 [ 4161.622491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4161.622491][ T10] [ 4161.624548][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4161.624548][ T10] netdev_get_by_index+0x5e/0x80 [ 4161.624548][ T10] fib6_nh_init+0x3d8/0x1580 [ 4161.624548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4161.624548][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4161.624548][ T10] ipv6_add_addr+0x411/0x2000 [ 4161.624548][ T10] inet6_addr_add+0x30e/0xa40 [ 4161.624548][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4161.624548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.624548][ T10] netlink_rcv_skb+0x130/0x360 [ 4161.624548][ T10] netlink_unicast+0x449/0x710 [ 4161.624548][ T10] netlink_sendmsg+0x723/0xbe0 [ 4161.624548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4161.624548][ T10] ___sys_sendmsg+0xee/0x170 [ 4161.624548][ T10] __sys_sendmsg+0xcd/0x170 [ 4161.624548][ T10] do_syscall_64+0xc6/0x1e0 [ 4161.624548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4161.624548][ T10] [ 4161.626665][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4161.626665][ T10] netdev_get_by_index+0x5e/0x80 [ 4161.626665][ T10] fib6_nh_init+0x3d8/0x1580 [ 4161.626665][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4161.626665][ T10] ip6_route_add+0x1c/0x140 [ 4161.626665][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4161.626665][ T10] addrconf_add_dev+0xe2/0x170 [ 4161.626665][ T10] inet6_addr_add+0x12f/0xa40 [ 4161.626665][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4161.626665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.626665][ T10] netlink_rcv_skb+0x130/0x360 [ 4161.626665][ T10] netlink_unicast+0x449/0x710 [ 4161.626665][ T10] netlink_sendmsg+0x723/0xbe0 [ 4161.626665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4161.626665][ T10] ___sys_sendmsg+0xee/0x170 [ 4161.626665][ T10] __sys_sendmsg+0xcd/0x170 [ 4161.626665][ T10] do_syscall_64+0xc6/0x1e0 [ 4161.626665][ T10] [ 4161.628758][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4161.628758][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4161.628758][ T10] ipv6_find_idev+0x102/0x170 [ 4161.628758][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4161.628758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.628758][ T10] netlink_rcv_skb+0x130/0x360 [ 4161.628758][ T10] netlink_unicast+0x449/0x710 [ 4161.628758][ T10] netlink_sendmsg+0x723/0xbe0 [ 4161.628758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4161.628758][ T10] ___sys_sendmsg+0xee/0x170 [ 4161.628758][ T10] __sys_sendmsg+0xcd/0x170 [ 4161.628758][ T10] do_syscall_64+0xc6/0x1e0 [ 4161.628758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4161.628758][ T10] [ 4161.630342][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4161.630342][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4161.630342][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4161.630342][ T10] ipv6_find_idev+0x102/0x170 [ 4161.630342][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4161.630342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.630342][ T10] netlink_rcv_skb+0x130/0x360 [ 4161.630342][ T10] netlink_unicast+0x449/0x710 [ 4161.630342][ T10] netlink_sendmsg+0x723/0xbe0 [ 4161.630342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4161.630342][ T10] ___sys_sendmsg+0xee/0x170 [ 4161.630342][ T10] __sys_sendmsg+0xcd/0x170 [ 4161.630342][ T10] do_syscall_64+0xc6/0x1e0 [ 4161.630342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4161.630342][ T10] [ 4167.721131][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4167.721617][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4167.721617][ T1167] dst_init+0x84/0x4a0 [ 4167.721617][ T1167] dst_alloc+0x97/0x150 [ 4167.721617][ T1167] ip6_dst_alloc+0x23/0x90 [ 4167.721617][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4167.721617][ T1167] ip6_pol_route+0x56f/0x840 [ 4167.721617][ T1167] fib6_rule_lookup+0x334/0x630 [ 4167.721617][ T1167] ip6_route_output_flags+0x259/0x480 [ 4167.721617][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4167.721617][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4167.721617][ T1167] netlink_rcv_skb+0x130/0x360 [ 4167.721617][ T1167] netlink_unicast+0x449/0x710 [ 4167.721617][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4167.721617][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4167.721617][ T1167] ___sys_sendmsg+0xee/0x170 [ 4167.721617][ T1167] __sys_sendmsg+0xcd/0x170 [ 4167.721617][ T1167] do_syscall_64+0xc6/0x1e0 [ 4167.721617][ T1167] [ 4167.723809][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4167.723809][ T1167] netdev_get_by_index+0x5e/0x80 [ 4167.723809][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4167.723809][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4167.723809][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4167.723809][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4167.723809][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4167.723809][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4167.723809][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4167.723809][ T1167] addrconf_dad_begin+0x310/0x670 [ 4167.723809][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4167.723809][ T1167] process_one_work+0x84d/0x18a0 [ 4167.723809][ T1167] worker_thread+0x587/0xd30 [ 4167.723809][ T1167] kthread+0x28a/0x350 [ 4167.723809][ T1167] ret_from_fork+0x31/0x70 [ 4167.723809][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4167.723809][ T1167] [ 4167.725959][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4167.725959][ T1167] netdev_get_by_index+0x5e/0x80 [ 4167.725959][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4167.725959][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4167.725959][ T1167] ip6_route_add+0x1c/0x140 [ 4167.725959][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4167.725959][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4167.725959][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4167.725959][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4167.725959][ T1167] netlink_rcv_skb+0x130/0x360 [ 4167.725959][ T1167] netlink_unicast+0x449/0x710 [ 4167.725959][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4167.725959][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4167.725959][ T1167] ___sys_sendmsg+0xee/0x170 [ 4167.725959][ T1167] __sys_sendmsg+0xcd/0x170 [ 4167.725959][ T1167] do_syscall_64+0xc6/0x1e0 [ 4167.725959][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4167.725959][ T1167] [ 4167.728202][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4167.728202][ T1167] netdev_get_by_index+0x5e/0x80 [ 4167.728202][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4167.728202][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4167.728202][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4167.728202][ T1167] ipv6_add_addr+0x411/0x2000 [ 4167.728202][ T1167] inet6_addr_add+0x30e/0xa40 [ 4167.728202][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4167.728202][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4167.728202][ T1167] netlink_rcv_skb+0x130/0x360 [ 4167.728202][ T1167] netlink_unicast+0x449/0x710 [ 4167.728202][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4167.728202][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4167.728202][ T1167] ___sys_sendmsg+0xee/0x170 [ 4167.728202][ T1167] __sys_sendmsg+0xcd/0x170 [ 4167.728202][ T1167] do_syscall_64+0xc6/0x1e0 [ 4167.728202][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4167.728202][ T1167] [ 4167.730467][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4167.730467][ T1167] netdev_get_by_index+0x5e/0x80 [ 4167.730467][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4167.730467][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4167.730467][ T1167] ip6_route_add+0x1c/0x140 [ 4167.730467][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4167.730467][ T1167] addrconf_add_dev+0xe2/0x170 [ 4167.730467][ T1167] inet6_addr_add+0x12f/0xa40 [ 4167.730467][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4167.730467][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4167.730467][ T1167] netlink_rcv_skb+0x130/0x360 [ 4167.730467][ T1167] netlink_unicast+0x449/0x710 [ 4167.730467][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4167.730467][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4167.730467][ T1167] ___sys_sendmsg+0xee/0x170 [ 4167.730467][ T1167] __sys_sendmsg+0xcd/0x170 [ 4167.730467][ T1167] do_syscall_64+0xc6/0x1e0 [ 4167.730467][ T1167] [ 4167.732664][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4167.732664][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4167.732664][ T1167] ipv6_find_idev+0x102/0x170 [ 4167.732664][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4167.732664][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4167.732664][ T1167] netlink_rcv_skb+0x130/0x360 [ 4167.732664][ T1167] netlink_unicast+0x449/0x710 [ 4167.732664][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4167.732664][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4167.732664][ T1167] ___sys_sendmsg+0xee/0x170 [ 4167.732664][ T1167] __sys_sendmsg+0xcd/0x170 [ 4167.732664][ T1167] do_syscall_64+0xc6/0x1e0 [ 4167.732664][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4167.732664][ T1167] [ 4167.734382][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4167.734382][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4167.734382][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4167.734382][ T1167] ipv6_find_idev+0x102/0x170 [ 4167.734382][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4167.734382][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4167.734382][ T1167] netlink_rcv_skb+0x130/0x360 [ 4167.734382][ T1167] netlink_unicast+0x449/0x710 [ 4167.734382][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4167.734382][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4167.734382][ T1167] ___sys_sendmsg+0xee/0x170 [ 4167.734382][ T1167] __sys_sendmsg+0xcd/0x170 [ 4167.734382][ T1167] do_syscall_64+0xc6/0x1e0 [ 4167.734382][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4167.734382][ T1167] [ 4171.745048][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4171.745455][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4171.745455][ T10] netdev_get_by_index+0x5e/0x80 [ 4171.745455][ T10] fib6_nh_init+0x3d8/0x1580 [ 4171.745455][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4171.745455][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4171.745455][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4171.745455][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4171.745455][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4171.745455][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4171.745455][ T10] addrconf_dad_begin+0x310/0x670 [ 4171.745455][ T10] addrconf_dad_work+0x10b/0xab0 [ 4171.745455][ T10] process_one_work+0x84d/0x18a0 [ 4171.745455][ T10] worker_thread+0x587/0xd30 [ 4171.745455][ T10] kthread+0x28a/0x350 [ 4171.745455][ T10] ret_from_fork+0x31/0x70 [ 4171.745455][ T10] ret_from_fork_asm+0x1a/0x30 [ 4171.745455][ T10] [ 4171.747394][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4171.747394][ T10] netdev_get_by_index+0x5e/0x80 [ 4171.747394][ T10] fib6_nh_init+0x3d8/0x1580 [ 4171.747394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4171.747394][ T10] ip6_route_add+0x1c/0x140 [ 4171.747394][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4171.747394][ T10] inet6_addr_add+0x4f8/0xa40 [ 4171.747394][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4171.747394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.747394][ T10] netlink_rcv_skb+0x130/0x360 [ 4171.747394][ T10] netlink_unicast+0x449/0x710 [ 4171.747394][ T10] netlink_sendmsg+0x723/0xbe0 [ 4171.747394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4171.747394][ T10] ___sys_sendmsg+0xee/0x170 [ 4171.747394][ T10] __sys_sendmsg+0xcd/0x170 [ 4171.747394][ T10] do_syscall_64+0xc6/0x1e0 [ 4171.747394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4171.747394][ T10] [ 4171.749409][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4171.749409][ T10] netdev_get_by_index+0x5e/0x80 [ 4171.749409][ T10] fib6_nh_init+0x3d8/0x1580 [ 4171.749409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4171.749409][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4171.749409][ T10] ipv6_add_addr+0x411/0x2000 [ 4171.749409][ T10] inet6_addr_add+0x30e/0xa40 [ 4171.749409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4171.749409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.749409][ T10] netlink_rcv_skb+0x130/0x360 [ 4171.749409][ T10] netlink_unicast+0x449/0x710 [ 4171.749409][ T10] netlink_sendmsg+0x723/0xbe0 [ 4171.749409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4171.749409][ T10] ___sys_sendmsg+0xee/0x170 [ 4171.749409][ T10] __sys_sendmsg+0xcd/0x170 [ 4171.749409][ T10] do_syscall_64+0xc6/0x1e0 [ 4171.749409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4171.749409][ T10] [ 4171.751423][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4171.751423][ T10] netdev_get_by_index+0x5e/0x80 [ 4171.751423][ T10] fib6_nh_init+0x3d8/0x1580 [ 4171.751423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4171.751423][ T10] ip6_route_add+0x1c/0x140 [ 4171.751423][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4171.751423][ T10] addrconf_add_dev+0xe2/0x170 [ 4171.751423][ T10] inet6_addr_add+0x12f/0xa40 [ 4171.751423][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4171.751423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.751423][ T10] netlink_rcv_skb+0x130/0x360 [ 4171.751423][ T10] netlink_unicast+0x449/0x710 [ 4171.751423][ T10] netlink_sendmsg+0x723/0xbe0 [ 4171.751423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4171.751423][ T10] ___sys_sendmsg+0xee/0x170 [ 4171.751423][ T10] __sys_sendmsg+0xcd/0x170 [ 4171.751423][ T10] do_syscall_64+0xc6/0x1e0 [ 4171.751423][ T10] [ 4171.753382][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4171.753382][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4171.753382][ T10] ipv6_find_idev+0x102/0x170 [ 4171.753382][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4171.753382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.753382][ T10] netlink_rcv_skb+0x130/0x360 [ 4171.753382][ T10] netlink_unicast+0x449/0x710 [ 4171.753382][ T10] netlink_sendmsg+0x723/0xbe0 [ 4171.753382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4171.753382][ T10] ___sys_sendmsg+0xee/0x170 [ 4171.753382][ T10] __sys_sendmsg+0xcd/0x170 [ 4171.753382][ T10] do_syscall_64+0xc6/0x1e0 [ 4171.753382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4171.753382][ T10] [ 4171.754929][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4171.754929][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4171.754929][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4171.754929][ T10] ipv6_find_idev+0x102/0x170 [ 4171.754929][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4171.754929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.754929][ T10] netlink_rcv_skb+0x130/0x360 [ 4171.754929][ T10] netlink_unicast+0x449/0x710 [ 4171.754929][ T10] netlink_sendmsg+0x723/0xbe0 [ 4171.754929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4171.754929][ T10] ___sys_sendmsg+0xee/0x170 [ 4171.754929][ T10] __sys_sendmsg+0xcd/0x170 [ 4171.754929][ T10] do_syscall_64+0xc6/0x1e0 [ 4171.754929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4171.754929][ T10] [ 4171.756608][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4171.756859][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4171.756859][ T10] netdev_get_by_index+0x5e/0x80 [ 4171.756859][ T10] fib6_nh_init+0x3d8/0x1580 [ 4171.756859][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4171.756859][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4171.756859][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4171.756859][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4171.756859][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4171.756859][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4171.756859][ T10] addrconf_dad_begin+0x310/0x670 [ 4171.756859][ T10] addrconf_dad_work+0x10b/0xab0 [ 4171.756859][ T10] process_one_work+0x84d/0x18a0 [ 4171.756859][ T10] worker_thread+0x587/0xd30 [ 4171.756859][ T10] kthread+0x28a/0x350 [ 4171.756859][ T10] ret_from_fork+0x31/0x70 [ 4171.756859][ T10] ret_from_fork_asm+0x1a/0x30 [ 4171.756859][ T10] [ 4171.758786][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4171.758786][ T10] netdev_get_by_index+0x5e/0x80 [ 4171.758786][ T10] fib6_nh_init+0x3d8/0x1580 [ 4171.758786][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4171.758786][ T10] ip6_route_add+0x1c/0x140 [ 4171.758786][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4171.758786][ T10] inet6_addr_add+0x4f8/0xa40 [ 4171.758786][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4171.758786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.758786][ T10] netlink_rcv_skb+0x130/0x360 [ 4171.758786][ T10] netlink_unicast+0x449/0x710 [ 4171.758786][ T10] netlink_sendmsg+0x723/0xbe0 [ 4171.758786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4171.758786][ T10] ___sys_sendmsg+0xee/0x170 [ 4171.758786][ T10] __sys_sendmsg+0xcd/0x170 [ 4171.758786][ T10] do_syscall_64+0xc6/0x1e0 [ 4171.758786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4171.758786][ T10] [ 4171.760778][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4171.760778][ T10] netdev_get_by_index+0x5e/0x80 [ 4171.760778][ T10] fib6_nh_init+0x3d8/0x1580 [ 4171.760778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4171.760778][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4171.760778][ T10] ipv6_add_addr+0x411/0x2000 [ 4171.760778][ T10] inet6_addr_add+0x30e/0xa40 [ 4171.760778][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4171.760778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.760778][ T10] netlink_rcv_skb+0x130/0x360 [ 4171.760778][ T10] netlink_unicast+0x449/0x710 [ 4171.760778][ T10] netlink_sendmsg+0x723/0xbe0 [ 4171.760778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4171.760778][ T10] ___sys_sendmsg+0xee/0x170 [ 4171.760778][ T10] __sys_sendmsg+0xcd/0x170 [ 4171.760778][ T10] do_syscall_64+0xc6/0x1e0 [ 4171.760778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4171.760778][ T10] [ 4171.762778][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4171.762778][ T10] netdev_get_by_index+0x5e/0x80 [ 4171.762778][ T10] fib6_nh_init+0x3d8/0x1580 [ 4171.762778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4171.762778][ T10] ip6_route_add+0x1c/0x140 [ 4171.762778][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4171.762778][ T10] addrconf_add_dev+0xe2/0x170 [ 4171.762778][ T10] inet6_addr_add+0x12f/0xa40 [ 4171.762778][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4171.762778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.762778][ T10] netlink_rcv_skb+0x130/0x360 [ 4171.762778][ T10] netlink_unicast+0x449/0x710 [ 4171.762778][ T10] netlink_sendmsg+0x723/0xbe0 [ 4171.762778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4171.762778][ T10] ___sys_sendmsg+0xee/0x170 [ 4171.762778][ T10] __sys_sendmsg+0xcd/0x170 [ 4171.762778][ T10] do_syscall_64+0xc6/0x1e0 [ 4171.762778][ T10] [ 4171.764745][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4171.764745][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4171.764745][ T10] ipv6_find_idev+0x102/0x170 [ 4171.764745][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4171.764745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.764745][ T10] netlink_rcv_skb+0x130/0x360 [ 4171.764745][ T10] netlink_unicast+0x449/0x710 [ 4171.764745][ T10] netlink_sendmsg+0x723/0xbe0 [ 4171.764745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4171.764745][ T10] ___sys_sendmsg+0xee/0x170 [ 4171.764745][ T10] __sys_sendmsg+0xcd/0x170 [ 4171.764745][ T10] do_syscall_64+0xc6/0x1e0 [ 4171.764745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4171.764745][ T10] [ 4171.766270][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4171.766270][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4171.766270][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4171.766270][ T10] ipv6_find_idev+0x102/0x170 [ 4171.766270][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4171.766270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.766270][ T10] netlink_rcv_skb+0x130/0x360 [ 4171.766270][ T10] netlink_unicast+0x449/0x710 [ 4171.766270][ T10] netlink_sendmsg+0x723/0xbe0 [ 4171.766270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4171.766270][ T10] ___sys_sendmsg+0xee/0x170 [ 4171.766270][ T10] __sys_sendmsg+0xcd/0x170 [ 4171.766270][ T10] do_syscall_64+0xc6/0x1e0 [ 4171.766270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4171.766270][ T10] [ 4171.767958][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4171.768223][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4171.768223][ T10] netdev_get_by_index+0x5e/0x80 [ 4171.768223][ T10] fib6_nh_init+0x3d8/0x1580 [ 4171.768223][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4171.768223][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4171.768223][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4171.768223][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4171.768223][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4171.768223][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4171.768223][ T10] addrconf_dad_begin+0x310/0x670 [ 4171.768223][ T10] addrconf_dad_work+0x10b/0xab0 [ 4171.768223][ T10] process_one_work+0x84d/0x18a0 [ 4171.768223][ T10] worker_thread+0x587/0xd30 [ 4171.768223][ T10] kthread+0x28a/0x350 [ 4171.768223][ T10] ret_from_fork+0x31/0x70 [ 4171.768223][ T10] ret_from_fork_asm+0x1a/0x30 [ 4171.768223][ T10] [ 4171.770175][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4171.770175][ T10] netdev_get_by_index+0x5e/0x80 [ 4171.770175][ T10] fib6_nh_init+0x3d8/0x1580 [ 4171.770175][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4171.770175][ T10] ip6_route_add+0x1c/0x140 [ 4171.770175][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4171.770175][ T10] inet6_addr_add+0x4f8/0xa40 [ 4171.770175][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4171.770175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.770175][ T10] netlink_rcv_skb+0x130/0x360 [ 4171.770175][ T10] netlink_unicast+0x449/0x710 [ 4171.770175][ T10] netlink_sendmsg+0x723/0xbe0 [ 4171.770175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4171.770175][ T10] ___sys_sendmsg+0xee/0x170 [ 4171.770175][ T10] __sys_sendmsg+0xcd/0x170 [ 4171.770175][ T10] do_syscall_64+0xc6/0x1e0 [ 4171.770175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4171.770175][ T10] [ 4171.772375][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4171.772375][ T10] netdev_get_by_index+0x5e/0x80 [ 4171.772375][ T10] fib6_nh_init+0x3d8/0x1580 [ 4171.772375][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4171.772375][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4171.772375][ T10] ipv6_add_addr+0x411/0x2000 [ 4171.772375][ T10] inet6_addr_add+0x30e/0xa40 [ 4171.772375][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4171.772375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.772375][ T10] netlink_rcv_skb+0x130/0x360 [ 4171.772375][ T10] netlink_unicast+0x449/0x710 [ 4171.772375][ T10] netlink_sendmsg+0x723/0xbe0 [ 4171.772375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4171.772375][ T10] ___sys_sendmsg+0xee/0x170 [ 4171.772375][ T10] __sys_sendmsg+0xcd/0x170 [ 4171.772375][ T10] do_syscall_64+0xc6/0x1e0 [ 4171.772375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4171.772375][ T10] [ 4171.774623][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4171.774623][ T10] netdev_get_by_index+0x5e/0x80 [ 4171.774623][ T10] fib6_nh_init+0x3d8/0x1580 [ 4171.774623][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4171.774623][ T10] ip6_route_add+0x1c/0x140 [ 4171.774623][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4171.774623][ T10] addrconf_add_dev+0xe2/0x170 [ 4171.774623][ T10] inet6_addr_add+0x12f/0xa40 [ 4171.774623][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4171.774623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.774623][ T10] netlink_rcv_skb+0x130/0x360 [ 4171.774623][ T10] netlink_unicast+0x449/0x710 [ 4171.774623][ T10] netlink_sendmsg+0x723/0xbe0 [ 4171.774623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4171.774623][ T10] ___sys_sendmsg+0xee/0x170 [ 4171.774623][ T10] __sys_sendmsg+0xcd/0x170 [ 4171.774623][ T10] do_syscall_64+0xc6/0x1e0 [ 4171.774623][ T10] [ 4171.776774][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4171.776774][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4171.776774][ T10] ipv6_find_idev+0x102/0x170 [ 4171.776774][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4171.776774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.776774][ T10] netlink_rcv_skb+0x130/0x360 [ 4171.776774][ T10] netlink_unicast+0x449/0x710 [ 4171.776774][ T10] netlink_sendmsg+0x723/0xbe0 [ 4171.776774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4171.776774][ T10] ___sys_sendmsg+0xee/0x170 [ 4171.776774][ T10] __sys_sendmsg+0xcd/0x170 [ 4171.776774][ T10] do_syscall_64+0xc6/0x1e0 [ 4171.776774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4171.776774][ T10] [ 4171.778533][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4171.778533][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4171.778533][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4171.778533][ T10] ipv6_find_idev+0x102/0x170 [ 4171.778533][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4171.778533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.778533][ T10] netlink_rcv_skb+0x130/0x360 [ 4171.778533][ T10] netlink_unicast+0x449/0x710 [ 4171.778533][ T10] netlink_sendmsg+0x723/0xbe0 [ 4171.778533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4171.778533][ T10] ___sys_sendmsg+0xee/0x170 [ 4171.778533][ T10] __sys_sendmsg+0xcd/0x170 [ 4171.778533][ T10] do_syscall_64+0xc6/0x1e0 [ 4171.778533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4171.778533][ T10] [ 4171.780526][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4171.780762][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4171.780762][ T10] netdev_get_by_index+0x5e/0x80 [ 4171.780762][ T10] fib6_nh_init+0x3d8/0x1580 [ 4171.780762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4171.780762][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4171.780762][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4171.780762][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4171.780762][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4171.780762][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4171.780762][ T10] addrconf_dad_begin+0x310/0x670 [ 4171.780762][ T10] addrconf_dad_work+0x10b/0xab0 [ 4171.780762][ T10] process_one_work+0x84d/0x18a0 [ 4171.780762][ T10] worker_thread+0x587/0xd30 [ 4171.780762][ T10] kthread+0x28a/0x350 [ 4171.780762][ T10] ret_from_fork+0x31/0x70 [ 4171.780762][ T10] ret_from_fork_asm+0x1a/0x30 [ 4171.780762][ T10] [ 4171.782943][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4171.782943][ T10] netdev_get_by_index+0x5e/0x80 [ 4171.782943][ T10] fib6_nh_init+0x3d8/0x1580 [ 4171.782943][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4171.782943][ T10] ip6_route_add+0x1c/0x140 [ 4171.782943][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4171.782943][ T10] inet6_addr_add+0x4f8/0xa40 [ 4171.782943][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4171.782943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.782943][ T10] netlink_rcv_skb+0x130/0x360 [ 4171.782943][ T10] netlink_unicast+0x449/0x710 [ 4171.782943][ T10] netlink_sendmsg+0x723/0xbe0 [ 4171.782943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4171.782943][ T10] ___sys_sendmsg+0xee/0x170 [ 4171.782943][ T10] __sys_sendmsg+0xcd/0x170 [ 4171.782943][ T10] do_syscall_64+0xc6/0x1e0 [ 4171.782943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4171.782943][ T10] [ 4171.785109][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4171.785109][ T10] netdev_get_by_index+0x5e/0x80 [ 4171.785109][ T10] fib6_nh_init+0x3d8/0x1580 [ 4171.785109][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4171.785109][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4171.785109][ T10] ipv6_add_addr+0x411/0x2000 [ 4171.785109][ T10] inet6_addr_add+0x30e/0xa40 [ 4171.785109][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4171.785109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.785109][ T10] netlink_rcv_skb+0x130/0x360 [ 4171.785109][ T10] netlink_unicast+0x449/0x710 [ 4171.785109][ T10] netlink_sendmsg+0x723/0xbe0 [ 4171.785109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4171.785109][ T10] ___sys_sendmsg+0xee/0x170 [ 4171.785109][ T10] __sys_sendmsg+0xcd/0x170 [ 4171.785109][ T10] do_syscall_64+0xc6/0x1e0 [ 4171.785109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4171.785109][ T10] [ 4171.787356][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4171.787356][ T10] netdev_get_by_index+0x5e/0x80 [ 4171.787356][ T10] fib6_nh_init+0x3d8/0x1580 [ 4171.787356][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4171.787356][ T10] ip6_route_add+0x1c/0x140 [ 4171.787356][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4171.787356][ T10] addrconf_add_dev+0xe2/0x170 [ 4171.787356][ T10] inet6_addr_add+0x12f/0xa40 [ 4171.787356][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4171.787356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.787356][ T10] netlink_rcv_skb+0x130/0x360 [ 4171.787356][ T10] netlink_unicast+0x449/0x710 [ 4171.787356][ T10] netlink_sendmsg+0x723/0xbe0 [ 4171.787356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4171.787356][ T10] ___sys_sendmsg+0xee/0x170 [ 4171.787356][ T10] __sys_sendmsg+0xcd/0x170 [ 4171.787356][ T10] do_syscall_64+0xc6/0x1e0 [ 4171.787356][ T10] [ 4171.789656][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4171.789656][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4171.789656][ T10] ipv6_find_idev+0x102/0x170 [ 4171.789656][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4171.789656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.789656][ T10] netlink_rcv_skb+0x130/0x360 [ 4171.789656][ T10] netlink_unicast+0x449/0x710 [ 4171.789656][ T10] netlink_sendmsg+0x723/0xbe0 [ 4171.789656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4171.789656][ T10] ___sys_sendmsg+0xee/0x170 [ 4171.789656][ T10] __sys_sendmsg+0xcd/0x170 [ 4171.789656][ T10] do_syscall_64+0xc6/0x1e0 [ 4171.789656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4171.789656][ T10] [ 4171.791379][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4171.791379][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4171.791379][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4171.791379][ T10] ipv6_find_idev+0x102/0x170 [ 4171.791379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4171.791379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.791379][ T10] netlink_rcv_skb+0x130/0x360 [ 4171.791379][ T10] netlink_unicast+0x449/0x710 [ 4171.791379][ T10] netlink_sendmsg+0x723/0xbe0 [ 4171.791379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4171.791379][ T10] ___sys_sendmsg+0xee/0x170 [ 4171.791379][ T10] __sys_sendmsg+0xcd/0x170 [ 4171.791379][ T10] do_syscall_64+0xc6/0x1e0 [ 4171.791379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4171.791379][ T10] [ 4177.977136][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4177.977551][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4177.977551][ T1167] dst_init+0x84/0x4a0 [ 4177.977551][ T1167] dst_alloc+0x97/0x150 [ 4177.977551][ T1167] ip6_dst_alloc+0x23/0x90 [ 4177.977551][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4177.977551][ T1167] ip6_pol_route+0x56f/0x840 [ 4177.977551][ T1167] fib6_rule_lookup+0x334/0x630 [ 4177.977551][ T1167] ip6_route_output_flags+0x259/0x480 [ 4177.977551][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4177.977551][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4177.977551][ T1167] netlink_rcv_skb+0x130/0x360 [ 4177.977551][ T1167] netlink_unicast+0x449/0x710 [ 4177.977551][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4177.977551][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4177.977551][ T1167] ___sys_sendmsg+0xee/0x170 [ 4177.977551][ T1167] __sys_sendmsg+0xcd/0x170 [ 4177.977551][ T1167] do_syscall_64+0xc6/0x1e0 [ 4177.977551][ T1167] [ 4177.979758][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4177.979758][ T1167] netdev_get_by_index+0x5e/0x80 [ 4177.979758][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4177.979758][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4177.979758][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4177.979758][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4177.979758][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4177.979758][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4177.979758][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4177.979758][ T1167] addrconf_dad_begin+0x310/0x670 [ 4177.979758][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4177.979758][ T1167] process_one_work+0x84d/0x18a0 [ 4177.979758][ T1167] worker_thread+0x587/0xd30 [ 4177.979758][ T1167] kthread+0x28a/0x350 [ 4177.979758][ T1167] ret_from_fork+0x31/0x70 [ 4177.979758][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4177.979758][ T1167] [ 4177.981900][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4177.981900][ T1167] netdev_get_by_index+0x5e/0x80 [ 4177.981900][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4177.981900][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4177.981900][ T1167] ip6_route_add+0x1c/0x140 [ 4177.981900][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4177.981900][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4177.981900][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4177.981900][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4177.981900][ T1167] netlink_rcv_skb+0x130/0x360 [ 4177.981900][ T1167] netlink_unicast+0x449/0x710 [ 4177.981900][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4177.981900][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4177.981900][ T1167] ___sys_sendmsg+0xee/0x170 [ 4177.981900][ T1167] __sys_sendmsg+0xcd/0x170 [ 4177.981900][ T1167] do_syscall_64+0xc6/0x1e0 [ 4177.981900][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4177.981900][ T1167] [ 4177.984142][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4177.984142][ T1167] netdev_get_by_index+0x5e/0x80 [ 4177.984142][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4177.984142][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4177.984142][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4177.984142][ T1167] ipv6_add_addr+0x411/0x2000 [ 4177.984142][ T1167] inet6_addr_add+0x30e/0xa40 [ 4177.984142][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4177.984142][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4177.984142][ T1167] netlink_rcv_skb+0x130/0x360 [ 4177.984142][ T1167] netlink_unicast+0x449/0x710 [ 4177.984142][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4177.984142][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4177.984142][ T1167] ___sys_sendmsg+0xee/0x170 [ 4177.984142][ T1167] __sys_sendmsg+0xcd/0x170 [ 4177.984142][ T1167] do_syscall_64+0xc6/0x1e0 [ 4177.984142][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4177.984142][ T1167] [ 4177.986371][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4177.986371][ T1167] netdev_get_by_index+0x5e/0x80 [ 4177.986371][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4177.986371][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4177.986371][ T1167] ip6_route_add+0x1c/0x140 [ 4177.986371][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4177.986371][ T1167] addrconf_add_dev+0xe2/0x170 [ 4177.986371][ T1167] inet6_addr_add+0x12f/0xa40 [ 4177.986371][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4177.986371][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4177.986371][ T1167] netlink_rcv_skb+0x130/0x360 [ 4177.986371][ T1167] netlink_unicast+0x449/0x710 [ 4177.986371][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4177.986371][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4177.986371][ T1167] ___sys_sendmsg+0xee/0x170 [ 4177.986371][ T1167] __sys_sendmsg+0xcd/0x170 [ 4177.986371][ T1167] do_syscall_64+0xc6/0x1e0 [ 4177.986371][ T1167] [ 4177.988574][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4177.988574][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4177.988574][ T1167] ipv6_find_idev+0x102/0x170 [ 4177.988574][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4177.988574][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4177.988574][ T1167] netlink_rcv_skb+0x130/0x360 [ 4177.988574][ T1167] netlink_unicast+0x449/0x710 [ 4177.988574][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4177.988574][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4177.988574][ T1167] ___sys_sendmsg+0xee/0x170 [ 4177.988574][ T1167] __sys_sendmsg+0xcd/0x170 [ 4177.988574][ T1167] do_syscall_64+0xc6/0x1e0 [ 4177.988574][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4177.988574][ T1167] [ 4177.990291][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4177.990291][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4177.990291][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4177.990291][ T1167] ipv6_find_idev+0x102/0x170 [ 4177.990291][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4177.990291][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4177.990291][ T1167] netlink_rcv_skb+0x130/0x360 [ 4177.990291][ T1167] netlink_unicast+0x449/0x710 [ 4177.990291][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4177.990291][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4177.990291][ T1167] ___sys_sendmsg+0xee/0x170 [ 4177.990291][ T1167] __sys_sendmsg+0xcd/0x170 [ 4177.990291][ T1167] do_syscall_64+0xc6/0x1e0 [ 4177.990291][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4177.990291][ T1167] [ 4182.033050][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4182.033412][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4182.033412][ T10] netdev_get_by_index+0x5e/0x80 [ 4182.033412][ T10] fib6_nh_init+0x3d8/0x1580 [ 4182.033412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4182.033412][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4182.033412][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4182.033412][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4182.033412][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4182.033412][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4182.033412][ T10] addrconf_dad_begin+0x310/0x670 [ 4182.033412][ T10] addrconf_dad_work+0x10b/0xab0 [ 4182.033412][ T10] process_one_work+0x84d/0x18a0 [ 4182.033412][ T10] worker_thread+0x587/0xd30 [ 4182.033412][ T10] kthread+0x28a/0x350 [ 4182.033412][ T10] ret_from_fork+0x31/0x70 [ 4182.033412][ T10] ret_from_fork_asm+0x1a/0x30 [ 4182.033412][ T10] [ 4182.035351][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4182.035351][ T10] netdev_get_by_index+0x5e/0x80 [ 4182.035351][ T10] fib6_nh_init+0x3d8/0x1580 [ 4182.035351][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4182.035351][ T10] ip6_route_add+0x1c/0x140 [ 4182.035351][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4182.035351][ T10] inet6_addr_add+0x4f8/0xa40 [ 4182.035351][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4182.035351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4182.035351][ T10] netlink_rcv_skb+0x130/0x360 [ 4182.035351][ T10] netlink_unicast+0x449/0x710 [ 4182.035351][ T10] netlink_sendmsg+0x723/0xbe0 [ 4182.035351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4182.035351][ T10] ___sys_sendmsg+0xee/0x170 [ 4182.035351][ T10] __sys_sendmsg+0xcd/0x170 [ 4182.035351][ T10] do_syscall_64+0xc6/0x1e0 [ 4182.035351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4182.035351][ T10] [ 4182.037337][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4182.037337][ T10] netdev_get_by_index+0x5e/0x80 [ 4182.037337][ T10] fib6_nh_init+0x3d8/0x1580 [ 4182.037337][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4182.037337][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4182.037337][ T10] ipv6_add_addr+0x411/0x2000 [ 4182.037337][ T10] inet6_addr_add+0x30e/0xa40 [ 4182.037337][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4182.037337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4182.037337][ T10] netlink_rcv_skb+0x130/0x360 [ 4182.037337][ T10] netlink_unicast+0x449/0x710 [ 4182.037337][ T10] netlink_sendmsg+0x723/0xbe0 [ 4182.037337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4182.037337][ T10] ___sys_sendmsg+0xee/0x170 [ 4182.037337][ T10] __sys_sendmsg+0xcd/0x170 [ 4182.037337][ T10] do_syscall_64+0xc6/0x1e0 [ 4182.037337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4182.037337][ T10] [ 4182.039342][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4182.039342][ T10] netdev_get_by_index+0x5e/0x80 [ 4182.039342][ T10] fib6_nh_init+0x3d8/0x1580 [ 4182.039342][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4182.039342][ T10] ip6_route_add+0x1c/0x140 [ 4182.039342][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4182.039342][ T10] addrconf_add_dev+0xe2/0x170 [ 4182.039342][ T10] inet6_addr_add+0x12f/0xa40 [ 4182.039342][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4182.039342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4182.039342][ T10] netlink_rcv_skb+0x130/0x360 [ 4182.039342][ T10] netlink_unicast+0x449/0x710 [ 4182.039342][ T10] netlink_sendmsg+0x723/0xbe0 [ 4182.039342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4182.039342][ T10] ___sys_sendmsg+0xee/0x170 [ 4182.039342][ T10] __sys_sendmsg+0xcd/0x170 [ 4182.039342][ T10] do_syscall_64+0xc6/0x1e0 [ 4182.039342][ T10] [ 4182.041319][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4182.041319][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4182.041319][ T10] ipv6_find_idev+0x102/0x170 [ 4182.041319][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4182.041319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4182.041319][ T10] netlink_rcv_skb+0x130/0x360 [ 4182.041319][ T10] netlink_unicast+0x449/0x710 [ 4182.041319][ T10] netlink_sendmsg+0x723/0xbe0 [ 4182.041319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4182.041319][ T10] ___sys_sendmsg+0xee/0x170 [ 4182.041319][ T10] __sys_sendmsg+0xcd/0x170 [ 4182.041319][ T10] do_syscall_64+0xc6/0x1e0 [ 4182.041319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4182.041319][ T10] [ 4182.042847][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4182.042847][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4182.042847][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4182.042847][ T10] ipv6_find_idev+0x102/0x170 [ 4182.042847][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4182.042847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4182.042847][ T10] netlink_rcv_skb+0x130/0x360 [ 4182.042847][ T10] netlink_unicast+0x449/0x710 [ 4182.042847][ T10] netlink_sendmsg+0x723/0xbe0 [ 4182.042847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4182.042847][ T10] ___sys_sendmsg+0xee/0x170 [ 4182.042847][ T10] __sys_sendmsg+0xcd/0x170 [ 4182.042847][ T10] do_syscall_64+0xc6/0x1e0 [ 4182.042847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4182.042847][ T10] [ 4182.044527][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4182.044784][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4182.044784][ T10] netdev_get_by_index+0x5e/0x80 [ 4182.044784][ T10] fib6_nh_init+0x3d8/0x1580 [ 4182.044784][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4182.044784][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4182.044784][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4182.044784][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4182.044784][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4182.044784][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4182.044784][ T10] addrconf_dad_begin+0x310/0x670 [ 4182.044784][ T10] addrconf_dad_work+0x10b/0xab0 [ 4182.044784][ T10] process_one_work+0x84d/0x18a0 [ 4182.044784][ T10] worker_thread+0x587/0xd30 [ 4182.044784][ T10] kthread+0x28a/0x350 [ 4182.044784][ T10] ret_from_fork+0x31/0x70 [ 4182.044784][ T10] ret_from_fork_asm+0x1a/0x30 [ 4182.044784][ T10] [ 4182.046680][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4182.046680][ T10] netdev_get_by_index+0x5e/0x80 [ 4182.046680][ T10] fib6_nh_init+0x3d8/0x1580 [ 4182.046680][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4182.046680][ T10] ip6_route_add+0x1c/0x140 [ 4182.046680][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4182.046680][ T10] inet6_addr_add+0x4f8/0xa40 [ 4182.046680][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4182.046680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4182.046680][ T10] netlink_rcv_skb+0x130/0x360 [ 4182.046680][ T10] netlink_unicast+0x449/0x710 [ 4182.046680][ T10] netlink_sendmsg+0x723/0xbe0 [ 4182.046680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4182.046680][ T10] ___sys_sendmsg+0xee/0x170 [ 4182.046680][ T10] __sys_sendmsg+0xcd/0x170 [ 4182.046680][ T10] do_syscall_64+0xc6/0x1e0 [ 4182.046680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4182.046680][ T10] [ 4182.048681][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4182.048681][ T10] netdev_get_by_index+0x5e/0x80 [ 4182.048681][ T10] fib6_nh_init+0x3d8/0x1580 [ 4182.048681][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4182.048681][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4182.048681][ T10] ipv6_add_addr+0x411/0x2000 [ 4182.048681][ T10] inet6_addr_add+0x30e/0xa40 [ 4182.048681][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4182.048681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4182.048681][ T10] netlink_rcv_skb+0x130/0x360 [ 4182.048681][ T10] netlink_unicast+0x449/0x710 [ 4182.048681][ T10] netlink_sendmsg+0x723/0xbe0 [ 4182.048681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4182.048681][ T10] ___sys_sendmsg+0xee/0x170 [ 4182.048681][ T10] __sys_sendmsg+0xcd/0x170 [ 4182.048681][ T10] do_syscall_64+0xc6/0x1e0 [ 4182.048681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4182.048681][ T10] [ 4182.050667][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4182.050667][ T10] netdev_get_by_index+0x5e/0x80 [ 4182.050667][ T10] fib6_nh_init+0x3d8/0x1580 [ 4182.050667][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4182.050667][ T10] ip6_route_add+0x1c/0x140 [ 4182.050667][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4182.050667][ T10] addrconf_add_dev+0xe2/0x170 [ 4182.050667][ T10] inet6_addr_add+0x12f/0xa40 [ 4182.050667][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4182.050667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4182.050667][ T10] netlink_rcv_skb+0x130/0x360 [ 4182.050667][ T10] netlink_unicast+0x449/0x710 [ 4182.050667][ T10] netlink_sendmsg+0x723/0xbe0 [ 4182.050667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4182.050667][ T10] ___sys_sendmsg+0xee/0x170 [ 4182.050667][ T10] __sys_sendmsg+0xcd/0x170 [ 4182.050667][ T10] do_syscall_64+0xc6/0x1e0 [ 4182.050667][ T10] [ 4182.052609][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4182.052609][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4182.052609][ T10] ipv6_find_idev+0x102/0x170 [ 4182.052609][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4182.052609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4182.052609][ T10] netlink_rcv_skb+0x130/0x360 [ 4182.052609][ T10] netlink_unicast+0x449/0x710 [ 4182.052609][ T10] netlink_sendmsg+0x723/0xbe0 [ 4182.052609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4182.052609][ T10] ___sys_sendmsg+0xee/0x170 [ 4182.052609][ T10] __sys_sendmsg+0xcd/0x170 [ 4182.052609][ T10] do_syscall_64+0xc6/0x1e0 [ 4182.052609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4182.052609][ T10] [ 4182.054129][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4182.054129][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4182.054129][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4182.054129][ T10] ipv6_find_idev+0x102/0x170 [ 4182.054129][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4182.054129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4182.054129][ T10] netlink_rcv_skb+0x130/0x360 [ 4182.054129][ T10] netlink_unicast+0x449/0x710 [ 4182.054129][ T10] netlink_sendmsg+0x723/0xbe0 [ 4182.054129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4182.054129][ T10] ___sys_sendmsg+0xee/0x170 [ 4182.054129][ T10] __sys_sendmsg+0xcd/0x170 [ 4182.054129][ T10] do_syscall_64+0xc6/0x1e0 [ 4182.054129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4182.054129][ T10] [ 4182.055798][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4182.056040][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4182.056040][ T10] netdev_get_by_index+0x5e/0x80 [ 4182.056040][ T10] fib6_nh_init+0x3d8/0x1580 [ 4182.056040][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4182.056040][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4182.056040][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4182.056040][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4182.056040][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4182.056040][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4182.056040][ T10] addrconf_dad_begin+0x310/0x670 [ 4182.056040][ T10] addrconf_dad_work+0x10b/0xab0 [ 4182.056040][ T10] process_one_work+0x84d/0x18a0 [ 4182.056040][ T10] worker_thread+0x587/0xd30 [ 4182.056040][ T10] kthread+0x28a/0x350 [ 4182.056040][ T10] ret_from_fork+0x31/0x70 [ 4182.056040][ T10] ret_from_fork_asm+0x1a/0x30 [ 4182.056040][ T10] [ 4182.060437][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4182.060437][ T10] netdev_get_by_index+0x5e/0x80 [ 4182.060437][ T10] fib6_nh_init+0x3d8/0x1580 [ 4182.060437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4182.060437][ T10] ip6_route_add+0x1c/0x140 [ 4182.060437][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4182.060437][ T10] inet6_addr_add+0x4f8/0xa40 [ 4182.060437][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4182.060437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4182.060437][ T10] netlink_rcv_skb+0x130/0x360 [ 4182.060437][ T10] netlink_unicast+0x449/0x710 [ 4182.060437][ T10] netlink_sendmsg+0x723/0xbe0 [ 4182.060437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4182.060437][ T10] ___sys_sendmsg+0xee/0x170 [ 4182.060437][ T10] __sys_sendmsg+0xcd/0x170 [ 4182.060437][ T10] do_syscall_64+0xc6/0x1e0 [ 4182.060437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4182.060437][ T10] [ 4182.062607][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4182.062607][ T10] netdev_get_by_index+0x5e/0x80 [ 4182.062607][ T10] fib6_nh_init+0x3d8/0x1580 [ 4182.062607][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4182.062607][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4182.062607][ T10] ipv6_add_addr+0x411/0x2000 [ 4182.062607][ T10] inet6_addr_add+0x30e/0xa40 [ 4182.062607][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4182.062607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4182.062607][ T10] netlink_rcv_skb+0x130/0x360 [ 4182.062607][ T10] netlink_unicast+0x449/0x710 [ 4182.062607][ T10] netlink_sendmsg+0x723/0xbe0 [ 4182.062607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4182.062607][ T10] ___sys_sendmsg+0xee/0x170 [ 4182.062607][ T10] __sys_sendmsg+0xcd/0x170 [ 4182.062607][ T10] do_syscall_64+0xc6/0x1e0 [ 4182.062607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4182.062607][ T10] [ 4182.064742][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4182.064742][ T10] netdev_get_by_index+0x5e/0x80 [ 4182.064742][ T10] fib6_nh_init+0x3d8/0x1580 [ 4182.064742][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4182.064742][ T10] ip6_route_add+0x1c/0x140 [ 4182.064742][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4182.064742][ T10] addrconf_add_dev+0xe2/0x170 [ 4182.064742][ T10] inet6_addr_add+0x12f/0xa40 [ 4182.064742][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4182.064742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4182.064742][ T10] netlink_rcv_skb+0x130/0x360 [ 4182.064742][ T10] netlink_unicast+0x449/0x710 [ 4182.064742][ T10] netlink_sendmsg+0x723/0xbe0 [ 4182.064742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4182.064742][ T10] ___sys_sendmsg+0xee/0x170 [ 4182.064742][ T10] __sys_sendmsg+0xcd/0x170 [ 4182.064742][ T10] do_syscall_64+0xc6/0x1e0 [ 4182.064742][ T10] [ 4182.066773][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4182.066773][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4182.066773][ T10] ipv6_find_idev+0x102/0x170 [ 4182.066773][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4182.066773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4182.066773][ T10] netlink_rcv_skb+0x130/0x360 [ 4182.066773][ T10] netlink_unicast+0x449/0x710 [ 4182.066773][ T10] netlink_sendmsg+0x723/0xbe0 [ 4182.066773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4182.066773][ T10] ___sys_sendmsg+0xee/0x170 [ 4182.066773][ T10] __sys_sendmsg+0xcd/0x170 [ 4182.066773][ T10] do_syscall_64+0xc6/0x1e0 [ 4182.066773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4182.066773][ T10] [ 4182.069871][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4182.069871][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4182.069871][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4182.069871][ T10] ipv6_find_idev+0x102/0x170 [ 4182.069871][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4182.069871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4182.069871][ T10] netlink_rcv_skb+0x130/0x360 [ 4182.069871][ T10] netlink_unicast+0x449/0x710 [ 4182.069871][ T10] netlink_sendmsg+0x723/0xbe0 [ 4182.069871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4182.069871][ T10] ___sys_sendmsg+0xee/0x170 [ 4182.069871][ T10] __sys_sendmsg+0xcd/0x170 [ 4182.069871][ T10] do_syscall_64+0xc6/0x1e0 [ 4182.069871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4182.069871][ T10] [ 4182.071637][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4182.071876][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4182.071876][ T10] netdev_get_by_index+0x5e/0x80 [ 4182.071876][ T10] fib6_nh_init+0x3d8/0x1580 [ 4182.071876][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4182.071876][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4182.071876][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4182.071876][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4182.071876][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4182.071876][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4182.071876][ T10] addrconf_dad_begin+0x310/0x670 [ 4182.071876][ T10] addrconf_dad_work+0x10b/0xab0 [ 4182.071876][ T10] process_one_work+0x84d/0x18a0 [ 4182.071876][ T10] worker_thread+0x587/0xd30 [ 4182.071876][ T10] kthread+0x28a/0x350 [ 4182.071876][ T10] ret_from_fork+0x31/0x70 [ 4182.071876][ T10] ret_from_fork_asm+0x1a/0x30 [ 4182.071876][ T10] [ 4182.073921][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4182.073921][ T10] netdev_get_by_index+0x5e/0x80 [ 4182.073921][ T10] fib6_nh_init+0x3d8/0x1580 [ 4182.073921][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4182.073921][ T10] ip6_route_add+0x1c/0x140 [ 4182.073921][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4182.073921][ T10] inet6_addr_add+0x4f8/0xa40 [ 4182.073921][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4182.073921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4182.073921][ T10] netlink_rcv_skb+0x130/0x360 [ 4182.073921][ T10] netlink_unicast+0x449/0x710 [ 4182.073921][ T10] netlink_sendmsg+0x723/0xbe0 [ 4182.073921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4182.073921][ T10] ___sys_sendmsg+0xee/0x170 [ 4182.073921][ T10] __sys_sendmsg+0xcd/0x170 [ 4182.073921][ T10] do_syscall_64+0xc6/0x1e0 [ 4182.073921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4182.073921][ T10] [ 4182.075986][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4182.075986][ T10] netdev_get_by_index+0x5e/0x80 [ 4182.075986][ T10] fib6_nh_init+0x3d8/0x1580 [ 4182.075986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4182.075986][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4182.075986][ T10] ipv6_add_addr+0x411/0x2000 [ 4182.075986][ T10] inet6_addr_add+0x30e/0xa40 [ 4182.075986][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4182.075986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4182.075986][ T10] netlink_rcv_skb+0x130/0x360 [ 4182.075986][ T10] netlink_unicast+0x449/0x710 [ 4182.075986][ T10] netlink_sendmsg+0x723/0xbe0 [ 4182.075986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4182.075986][ T10] ___sys_sendmsg+0xee/0x170 [ 4182.075986][ T10] __sys_sendmsg+0xcd/0x170 [ 4182.075986][ T10] do_syscall_64+0xc6/0x1e0 [ 4182.075986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4182.075986][ T10] [ 4182.078049][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4182.078049][ T10] netdev_get_by_index+0x5e/0x80 [ 4182.078049][ T10] fib6_nh_init+0x3d8/0x1580 [ 4182.078049][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4182.078049][ T10] ip6_route_add+0x1c/0x140 [ 4182.078049][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4182.078049][ T10] addrconf_add_dev+0xe2/0x170 [ 4182.078049][ T10] inet6_addr_add+0x12f/0xa40 [ 4182.078049][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4182.078049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4182.078049][ T10] netlink_rcv_skb+0x130/0x360 [ 4182.078049][ T10] netlink_unicast+0x449/0x710 [ 4182.078049][ T10] netlink_sendmsg+0x723/0xbe0 [ 4182.078049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4182.078049][ T10] ___sys_sendmsg+0xee/0x170 [ 4182.078049][ T10] __sys_sendmsg+0xcd/0x170 [ 4182.078049][ T10] do_syscall_64+0xc6/0x1e0 [ 4182.078049][ T10] [ 4182.080095][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4182.080095][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4182.080095][ T10] ipv6_find_idev+0x102/0x170 [ 4182.080095][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4182.080095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4182.080095][ T10] netlink_rcv_skb+0x130/0x360 [ 4182.080095][ T10] netlink_unicast+0x449/0x710 [ 4182.080095][ T10] netlink_sendmsg+0x723/0xbe0 [ 4182.080095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4182.080095][ T10] ___sys_sendmsg+0xee/0x170 [ 4182.080095][ T10] __sys_sendmsg+0xcd/0x170 [ 4182.080095][ T10] do_syscall_64+0xc6/0x1e0 [ 4182.080095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4182.080095][ T10] [ 4182.081708][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4182.081708][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4182.081708][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4182.081708][ T10] ipv6_find_idev+0x102/0x170 [ 4182.081708][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4182.081708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4182.081708][ T10] netlink_rcv_skb+0x130/0x360 [ 4182.081708][ T10] netlink_unicast+0x449/0x710 [ 4182.081708][ T10] netlink_sendmsg+0x723/0xbe0 [ 4182.081708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4182.081708][ T10] ___sys_sendmsg+0xee/0x170 [ 4182.081708][ T10] __sys_sendmsg+0xcd/0x170 [ 4182.081708][ T10] do_syscall_64+0xc6/0x1e0 [ 4182.081708][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4182.081708][ T10] [ 4188.233042][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4188.233454][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4188.233454][ T1167] dst_init+0x84/0x4a0 [ 4188.233454][ T1167] dst_alloc+0x97/0x150 [ 4188.233454][ T1167] ip6_dst_alloc+0x23/0x90 [ 4188.233454][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4188.233454][ T1167] ip6_pol_route+0x56f/0x840 [ 4188.233454][ T1167] fib6_rule_lookup+0x334/0x630 [ 4188.233454][ T1167] ip6_route_output_flags+0x259/0x480 [ 4188.233454][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4188.233454][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4188.233454][ T1167] netlink_rcv_skb+0x130/0x360 [ 4188.233454][ T1167] netlink_unicast+0x449/0x710 [ 4188.233454][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4188.233454][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4188.233454][ T1167] ___sys_sendmsg+0xee/0x170 [ 4188.233454][ T1167] __sys_sendmsg+0xcd/0x170 [ 4188.233454][ T1167] do_syscall_64+0xc6/0x1e0 [ 4188.233454][ T1167] [ 4188.235668][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4188.235668][ T1167] netdev_get_by_index+0x5e/0x80 [ 4188.235668][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4188.235668][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4188.235668][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4188.235668][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4188.235668][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4188.235668][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4188.235668][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4188.235668][ T1167] addrconf_dad_begin+0x310/0x670 [ 4188.235668][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4188.235668][ T1167] process_one_work+0x84d/0x18a0 [ 4188.235668][ T1167] worker_thread+0x587/0xd30 [ 4188.235668][ T1167] kthread+0x28a/0x350 [ 4188.235668][ T1167] ret_from_fork+0x31/0x70 [ 4188.235668][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4188.235668][ T1167] [ 4188.237927][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4188.237927][ T1167] netdev_get_by_index+0x5e/0x80 [ 4188.237927][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4188.237927][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4188.237927][ T1167] ip6_route_add+0x1c/0x140 [ 4188.237927][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4188.237927][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4188.237927][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4188.237927][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4188.237927][ T1167] netlink_rcv_skb+0x130/0x360 [ 4188.237927][ T1167] netlink_unicast+0x449/0x710 [ 4188.237927][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4188.237927][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4188.237927][ T1167] ___sys_sendmsg+0xee/0x170 [ 4188.237927][ T1167] __sys_sendmsg+0xcd/0x170 [ 4188.237927][ T1167] do_syscall_64+0xc6/0x1e0 [ 4188.237927][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4188.237927][ T1167] [ 4188.240188][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4188.240188][ T1167] netdev_get_by_index+0x5e/0x80 [ 4188.240188][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4188.240188][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4188.240188][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4188.240188][ T1167] ipv6_add_addr+0x411/0x2000 [ 4188.240188][ T1167] inet6_addr_add+0x30e/0xa40 [ 4188.240188][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4188.240188][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4188.240188][ T1167] netlink_rcv_skb+0x130/0x360 [ 4188.240188][ T1167] netlink_unicast+0x449/0x710 [ 4188.240188][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4188.240188][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4188.240188][ T1167] ___sys_sendmsg+0xee/0x170 [ 4188.240188][ T1167] __sys_sendmsg+0xcd/0x170 [ 4188.240188][ T1167] do_syscall_64+0xc6/0x1e0 [ 4188.240188][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4188.240188][ T1167] [ 4188.242434][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4188.242434][ T1167] netdev_get_by_index+0x5e/0x80 [ 4188.242434][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4188.242434][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4188.242434][ T1167] ip6_route_add+0x1c/0x140 [ 4188.242434][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4188.242434][ T1167] addrconf_add_dev+0xe2/0x170 [ 4188.242434][ T1167] inet6_addr_add+0x12f/0xa40 [ 4188.242434][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4188.242434][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4188.242434][ T1167] netlink_rcv_skb+0x130/0x360 [ 4188.242434][ T1167] netlink_unicast+0x449/0x710 [ 4188.242434][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4188.242434][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4188.242434][ T1167] ___sys_sendmsg+0xee/0x170 [ 4188.242434][ T1167] __sys_sendmsg+0xcd/0x170 [ 4188.242434][ T1167] do_syscall_64+0xc6/0x1e0 [ 4188.242434][ T1167] [ 4188.244654][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4188.244654][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4188.244654][ T1167] ipv6_find_idev+0x102/0x170 [ 4188.244654][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4188.244654][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4188.244654][ T1167] netlink_rcv_skb+0x130/0x360 [ 4188.244654][ T1167] netlink_unicast+0x449/0x710 [ 4188.244654][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4188.244654][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4188.244654][ T1167] ___sys_sendmsg+0xee/0x170 [ 4188.244654][ T1167] __sys_sendmsg+0xcd/0x170 [ 4188.244654][ T1167] do_syscall_64+0xc6/0x1e0 [ 4188.244654][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4188.244654][ T1167] [ 4188.246367][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4188.246367][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4188.246367][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4188.246367][ T1167] ipv6_find_idev+0x102/0x170 [ 4188.246367][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4188.246367][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4188.246367][ T1167] netlink_rcv_skb+0x130/0x360 [ 4188.246367][ T1167] netlink_unicast+0x449/0x710 [ 4188.246367][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4188.246367][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4188.246367][ T1167] ___sys_sendmsg+0xee/0x170 [ 4188.246367][ T1167] __sys_sendmsg+0xcd/0x170 [ 4188.246367][ T1167] do_syscall_64+0xc6/0x1e0 [ 4188.246367][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4188.246367][ T1167] [ 4192.321046][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4192.321465][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4192.321465][ T10] netdev_get_by_index+0x5e/0x80 [ 4192.321465][ T10] fib6_nh_init+0x3d8/0x1580 [ 4192.321465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4192.321465][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4192.321465][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4192.321465][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4192.321465][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4192.321465][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4192.321465][ T10] addrconf_dad_begin+0x310/0x670 [ 4192.321465][ T10] addrconf_dad_work+0x10b/0xab0 [ 4192.321465][ T10] process_one_work+0x84d/0x18a0 [ 4192.321465][ T10] worker_thread+0x587/0xd30 [ 4192.321465][ T10] kthread+0x28a/0x350 [ 4192.321465][ T10] ret_from_fork+0x31/0x70 [ 4192.321465][ T10] ret_from_fork_asm+0x1a/0x30 [ 4192.321465][ T10] [ 4192.323422][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4192.323422][ T10] netdev_get_by_index+0x5e/0x80 [ 4192.323422][ T10] fib6_nh_init+0x3d8/0x1580 [ 4192.323422][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4192.323422][ T10] ip6_route_add+0x1c/0x140 [ 4192.323422][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4192.323422][ T10] inet6_addr_add+0x4f8/0xa40 [ 4192.323422][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4192.323422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.323422][ T10] netlink_rcv_skb+0x130/0x360 [ 4192.323422][ T10] netlink_unicast+0x449/0x710 [ 4192.323422][ T10] netlink_sendmsg+0x723/0xbe0 [ 4192.323422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4192.323422][ T10] ___sys_sendmsg+0xee/0x170 [ 4192.323422][ T10] __sys_sendmsg+0xcd/0x170 [ 4192.323422][ T10] do_syscall_64+0xc6/0x1e0 [ 4192.323422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4192.323422][ T10] [ 4192.325441][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4192.325441][ T10] netdev_get_by_index+0x5e/0x80 [ 4192.325441][ T10] fib6_nh_init+0x3d8/0x1580 [ 4192.325441][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4192.325441][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4192.325441][ T10] ipv6_add_addr+0x411/0x2000 [ 4192.325441][ T10] inet6_addr_add+0x30e/0xa40 [ 4192.325441][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4192.325441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.325441][ T10] netlink_rcv_skb+0x130/0x360 [ 4192.325441][ T10] netlink_unicast+0x449/0x710 [ 4192.325441][ T10] netlink_sendmsg+0x723/0xbe0 [ 4192.325441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4192.325441][ T10] ___sys_sendmsg+0xee/0x170 [ 4192.325441][ T10] __sys_sendmsg+0xcd/0x170 [ 4192.325441][ T10] do_syscall_64+0xc6/0x1e0 [ 4192.325441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4192.325441][ T10] [ 4192.327456][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4192.327456][ T10] netdev_get_by_index+0x5e/0x80 [ 4192.327456][ T10] fib6_nh_init+0x3d8/0x1580 [ 4192.327456][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4192.327456][ T10] ip6_route_add+0x1c/0x140 [ 4192.327456][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4192.327456][ T10] addrconf_add_dev+0xe2/0x170 [ 4192.327456][ T10] inet6_addr_add+0x12f/0xa40 [ 4192.327456][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4192.327456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.327456][ T10] netlink_rcv_skb+0x130/0x360 [ 4192.327456][ T10] netlink_unicast+0x449/0x710 [ 4192.327456][ T10] netlink_sendmsg+0x723/0xbe0 [ 4192.327456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4192.327456][ T10] ___sys_sendmsg+0xee/0x170 [ 4192.327456][ T10] __sys_sendmsg+0xcd/0x170 [ 4192.327456][ T10] do_syscall_64+0xc6/0x1e0 [ 4192.327456][ T10] [ 4192.329457][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4192.329457][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4192.329457][ T10] ipv6_find_idev+0x102/0x170 [ 4192.329457][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4192.329457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.329457][ T10] netlink_rcv_skb+0x130/0x360 [ 4192.329457][ T10] netlink_unicast+0x449/0x710 [ 4192.329457][ T10] netlink_sendmsg+0x723/0xbe0 [ 4192.329457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4192.329457][ T10] ___sys_sendmsg+0xee/0x170 [ 4192.329457][ T10] __sys_sendmsg+0xcd/0x170 [ 4192.329457][ T10] do_syscall_64+0xc6/0x1e0 [ 4192.329457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4192.329457][ T10] [ 4192.331008][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4192.331008][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4192.331008][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4192.331008][ T10] ipv6_find_idev+0x102/0x170 [ 4192.331008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4192.331008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.331008][ T10] netlink_rcv_skb+0x130/0x360 [ 4192.331008][ T10] netlink_unicast+0x449/0x710 [ 4192.331008][ T10] netlink_sendmsg+0x723/0xbe0 [ 4192.331008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4192.331008][ T10] ___sys_sendmsg+0xee/0x170 [ 4192.331008][ T10] __sys_sendmsg+0xcd/0x170 [ 4192.331008][ T10] do_syscall_64+0xc6/0x1e0 [ 4192.331008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4192.331008][ T10] [ 4192.332709][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4192.332953][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4192.332953][ T10] netdev_get_by_index+0x5e/0x80 [ 4192.332953][ T10] fib6_nh_init+0x3d8/0x1580 [ 4192.332953][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4192.332953][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4192.332953][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4192.332953][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4192.332953][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4192.332953][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4192.332953][ T10] addrconf_dad_begin+0x310/0x670 [ 4192.332953][ T10] addrconf_dad_work+0x10b/0xab0 [ 4192.332953][ T10] process_one_work+0x84d/0x18a0 [ 4192.332953][ T10] worker_thread+0x587/0xd30 [ 4192.332953][ T10] kthread+0x28a/0x350 [ 4192.332953][ T10] ret_from_fork+0x31/0x70 [ 4192.332953][ T10] ret_from_fork_asm+0x1a/0x30 [ 4192.332953][ T10] [ 4192.334878][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4192.334878][ T10] netdev_get_by_index+0x5e/0x80 [ 4192.334878][ T10] fib6_nh_init+0x3d8/0x1580 [ 4192.334878][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4192.334878][ T10] ip6_route_add+0x1c/0x140 [ 4192.334878][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4192.334878][ T10] inet6_addr_add+0x4f8/0xa40 [ 4192.334878][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4192.334878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.334878][ T10] netlink_rcv_skb+0x130/0x360 [ 4192.334878][ T10] netlink_unicast+0x449/0x710 [ 4192.334878][ T10] netlink_sendmsg+0x723/0xbe0 [ 4192.334878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4192.334878][ T10] ___sys_sendmsg+0xee/0x170 [ 4192.334878][ T10] __sys_sendmsg+0xcd/0x170 [ 4192.334878][ T10] do_syscall_64+0xc6/0x1e0 [ 4192.334878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4192.334878][ T10] [ 4192.336869][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4192.336869][ T10] netdev_get_by_index+0x5e/0x80 [ 4192.336869][ T10] fib6_nh_init+0x3d8/0x1580 [ 4192.336869][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4192.336869][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4192.336869][ T10] ipv6_add_addr+0x411/0x2000 [ 4192.336869][ T10] inet6_addr_add+0x30e/0xa40 [ 4192.336869][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4192.336869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.336869][ T10] netlink_rcv_skb+0x130/0x360 [ 4192.336869][ T10] netlink_unicast+0x449/0x710 [ 4192.336869][ T10] netlink_sendmsg+0x723/0xbe0 [ 4192.336869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4192.336869][ T10] ___sys_sendmsg+0xee/0x170 [ 4192.336869][ T10] __sys_sendmsg+0xcd/0x170 [ 4192.336869][ T10] do_syscall_64+0xc6/0x1e0 [ 4192.336869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4192.336869][ T10] [ 4192.338883][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4192.338883][ T10] netdev_get_by_index+0x5e/0x80 [ 4192.338883][ T10] fib6_nh_init+0x3d8/0x1580 [ 4192.338883][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4192.338883][ T10] ip6_route_add+0x1c/0x140 [ 4192.338883][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4192.338883][ T10] addrconf_add_dev+0xe2/0x170 [ 4192.338883][ T10] inet6_addr_add+0x12f/0xa40 [ 4192.338883][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4192.338883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.338883][ T10] netlink_rcv_skb+0x130/0x360 [ 4192.338883][ T10] netlink_unicast+0x449/0x710 [ 4192.338883][ T10] netlink_sendmsg+0x723/0xbe0 [ 4192.338883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4192.338883][ T10] ___sys_sendmsg+0xee/0x170 [ 4192.338883][ T10] __sys_sendmsg+0xcd/0x170 [ 4192.338883][ T10] do_syscall_64+0xc6/0x1e0 [ 4192.338883][ T10] [ 4192.340845][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4192.340845][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4192.340845][ T10] ipv6_find_idev+0x102/0x170 [ 4192.340845][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4192.340845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.340845][ T10] netlink_rcv_skb+0x130/0x360 [ 4192.340845][ T10] netlink_unicast+0x449/0x710 [ 4192.340845][ T10] netlink_sendmsg+0x723/0xbe0 [ 4192.340845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4192.340845][ T10] ___sys_sendmsg+0xee/0x170 [ 4192.340845][ T10] __sys_sendmsg+0xcd/0x170 [ 4192.340845][ T10] do_syscall_64+0xc6/0x1e0 [ 4192.340845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4192.340845][ T10] [ 4192.342389][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4192.342389][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4192.342389][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4192.342389][ T10] ipv6_find_idev+0x102/0x170 [ 4192.342389][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4192.342389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.342389][ T10] netlink_rcv_skb+0x130/0x360 [ 4192.342389][ T10] netlink_unicast+0x449/0x710 [ 4192.342389][ T10] netlink_sendmsg+0x723/0xbe0 [ 4192.342389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4192.342389][ T10] ___sys_sendmsg+0xee/0x170 [ 4192.342389][ T10] __sys_sendmsg+0xcd/0x170 [ 4192.342389][ T10] do_syscall_64+0xc6/0x1e0 [ 4192.342389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4192.342389][ T10] [ 4192.344078][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4192.344330][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4192.344330][ T10] netdev_get_by_index+0x5e/0x80 [ 4192.344330][ T10] fib6_nh_init+0x3d8/0x1580 [ 4192.344330][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4192.344330][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4192.344330][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4192.344330][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4192.344330][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4192.344330][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4192.344330][ T10] addrconf_dad_begin+0x310/0x670 [ 4192.344330][ T10] addrconf_dad_work+0x10b/0xab0 [ 4192.344330][ T10] process_one_work+0x84d/0x18a0 [ 4192.344330][ T10] worker_thread+0x587/0xd30 [ 4192.344330][ T10] kthread+0x28a/0x350 [ 4192.344330][ T10] ret_from_fork+0x31/0x70 [ 4192.344330][ T10] ret_from_fork_asm+0x1a/0x30 [ 4192.344330][ T10] [ 4192.346238][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4192.346238][ T10] netdev_get_by_index+0x5e/0x80 [ 4192.346238][ T10] fib6_nh_init+0x3d8/0x1580 [ 4192.346238][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4192.346238][ T10] ip6_route_add+0x1c/0x140 [ 4192.346238][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4192.346238][ T10] inet6_addr_add+0x4f8/0xa40 [ 4192.346238][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4192.346238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.346238][ T10] netlink_rcv_skb+0x130/0x360 [ 4192.346238][ T10] netlink_unicast+0x449/0x710 [ 4192.346238][ T10] netlink_sendmsg+0x723/0xbe0 [ 4192.346238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4192.346238][ T10] ___sys_sendmsg+0xee/0x170 [ 4192.346238][ T10] __sys_sendmsg+0xcd/0x170 [ 4192.346238][ T10] do_syscall_64+0xc6/0x1e0 [ 4192.346238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4192.346238][ T10] [ 4192.348449][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4192.348449][ T10] netdev_get_by_index+0x5e/0x80 [ 4192.348449][ T10] fib6_nh_init+0x3d8/0x1580 [ 4192.348449][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4192.348449][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4192.348449][ T10] ipv6_add_addr+0x411/0x2000 [ 4192.348449][ T10] inet6_addr_add+0x30e/0xa40 [ 4192.348449][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4192.348449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.348449][ T10] netlink_rcv_skb+0x130/0x360 [ 4192.348449][ T10] netlink_unicast+0x449/0x710 [ 4192.348449][ T10] netlink_sendmsg+0x723/0xbe0 [ 4192.348449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4192.348449][ T10] ___sys_sendmsg+0xee/0x170 [ 4192.348449][ T10] __sys_sendmsg+0xcd/0x170 [ 4192.348449][ T10] do_syscall_64+0xc6/0x1e0 [ 4192.348449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4192.348449][ T10] [ 4192.350581][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4192.350581][ T10] netdev_get_by_index+0x5e/0x80 [ 4192.350581][ T10] fib6_nh_init+0x3d8/0x1580 [ 4192.350581][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4192.350581][ T10] ip6_route_add+0x1c/0x140 [ 4192.350581][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4192.350581][ T10] addrconf_add_dev+0xe2/0x170 [ 4192.350581][ T10] inet6_addr_add+0x12f/0xa40 [ 4192.350581][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4192.350581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.350581][ T10] netlink_rcv_skb+0x130/0x360 [ 4192.350581][ T10] netlink_unicast+0x449/0x710 [ 4192.350581][ T10] netlink_sendmsg+0x723/0xbe0 [ 4192.350581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4192.350581][ T10] ___sys_sendmsg+0xee/0x170 [ 4192.350581][ T10] __sys_sendmsg+0xcd/0x170 [ 4192.350581][ T10] do_syscall_64+0xc6/0x1e0 [ 4192.350581][ T10] [ 4192.352677][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4192.352677][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4192.352677][ T10] ipv6_find_idev+0x102/0x170 [ 4192.352677][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4192.352677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.352677][ T10] netlink_rcv_skb+0x130/0x360 [ 4192.352677][ T10] netlink_unicast+0x449/0x710 [ 4192.352677][ T10] netlink_sendmsg+0x723/0xbe0 [ 4192.352677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4192.352677][ T10] ___sys_sendmsg+0xee/0x170 [ 4192.352677][ T10] __sys_sendmsg+0xcd/0x170 [ 4192.352677][ T10] do_syscall_64+0xc6/0x1e0 [ 4192.352677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4192.352677][ T10] [ 4192.354276][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4192.354276][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4192.354276][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4192.354276][ T10] ipv6_find_idev+0x102/0x170 [ 4192.354276][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4192.354276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.354276][ T10] netlink_rcv_skb+0x130/0x360 [ 4192.354276][ T10] netlink_unicast+0x449/0x710 [ 4192.354276][ T10] netlink_sendmsg+0x723/0xbe0 [ 4192.354276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4192.354276][ T10] ___sys_sendmsg+0xee/0x170 [ 4192.354276][ T10] __sys_sendmsg+0xcd/0x170 [ 4192.354276][ T10] do_syscall_64+0xc6/0x1e0 [ 4192.354276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4192.354276][ T10] [ 4192.356091][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4192.356337][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4192.356337][ T10] netdev_get_by_index+0x5e/0x80 [ 4192.356337][ T10] fib6_nh_init+0x3d8/0x1580 [ 4192.356337][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4192.356337][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4192.356337][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4192.356337][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4192.356337][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4192.356337][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4192.356337][ T10] addrconf_dad_begin+0x310/0x670 [ 4192.356337][ T10] addrconf_dad_work+0x10b/0xab0 [ 4192.356337][ T10] process_one_work+0x84d/0x18a0 [ 4192.356337][ T10] worker_thread+0x587/0xd30 [ 4192.356337][ T10] kthread+0x28a/0x350 [ 4192.356337][ T10] ret_from_fork+0x31/0x70 [ 4192.356337][ T10] ret_from_fork_asm+0x1a/0x30 [ 4192.356337][ T10] [ 4192.358400][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4192.358400][ T10] netdev_get_by_index+0x5e/0x80 [ 4192.358400][ T10] fib6_nh_init+0x3d8/0x1580 [ 4192.358400][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4192.358400][ T10] ip6_route_add+0x1c/0x140 [ 4192.358400][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4192.358400][ T10] inet6_addr_add+0x4f8/0xa40 [ 4192.358400][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4192.358400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.358400][ T10] netlink_rcv_skb+0x130/0x360 [ 4192.358400][ T10] netlink_unicast+0x449/0x710 [ 4192.358400][ T10] netlink_sendmsg+0x723/0xbe0 [ 4192.358400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4192.358400][ T10] ___sys_sendmsg+0xee/0x170 [ 4192.358400][ T10] __sys_sendmsg+0xcd/0x170 [ 4192.358400][ T10] do_syscall_64+0xc6/0x1e0 [ 4192.358400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4192.358400][ T10] [ 4192.360532][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4192.360532][ T10] netdev_get_by_index+0x5e/0x80 [ 4192.360532][ T10] fib6_nh_init+0x3d8/0x1580 [ 4192.360532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4192.360532][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4192.360532][ T10] ipv6_add_addr+0x411/0x2000 [ 4192.360532][ T10] inet6_addr_add+0x30e/0xa40 [ 4192.360532][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4192.360532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.360532][ T10] netlink_rcv_skb+0x130/0x360 [ 4192.360532][ T10] netlink_unicast+0x449/0x710 [ 4192.360532][ T10] netlink_sendmsg+0x723/0xbe0 [ 4192.360532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4192.360532][ T10] ___sys_sendmsg+0xee/0x170 [ 4192.360532][ T10] __sys_sendmsg+0xcd/0x170 [ 4192.360532][ T10] do_syscall_64+0xc6/0x1e0 [ 4192.360532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4192.360532][ T10] [ 4192.362657][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4192.362657][ T10] netdev_get_by_index+0x5e/0x80 [ 4192.362657][ T10] fib6_nh_init+0x3d8/0x1580 [ 4192.362657][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4192.362657][ T10] ip6_route_add+0x1c/0x140 [ 4192.362657][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4192.362657][ T10] addrconf_add_dev+0xe2/0x170 [ 4192.362657][ T10] inet6_addr_add+0x12f/0xa40 [ 4192.362657][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4192.362657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.362657][ T10] netlink_rcv_skb+0x130/0x360 [ 4192.362657][ T10] netlink_unicast+0x449/0x710 [ 4192.362657][ T10] netlink_sendmsg+0x723/0xbe0 [ 4192.362657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4192.362657][ T10] ___sys_sendmsg+0xee/0x170 [ 4192.362657][ T10] __sys_sendmsg+0xcd/0x170 [ 4192.362657][ T10] do_syscall_64+0xc6/0x1e0 [ 4192.362657][ T10] [ 4192.364759][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4192.364759][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4192.364759][ T10] ipv6_find_idev+0x102/0x170 [ 4192.364759][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4192.364759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.364759][ T10] netlink_rcv_skb+0x130/0x360 [ 4192.364759][ T10] netlink_unicast+0x449/0x710 [ 4192.364759][ T10] netlink_sendmsg+0x723/0xbe0 [ 4192.364759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4192.364759][ T10] ___sys_sendmsg+0xee/0x170 [ 4192.364759][ T10] __sys_sendmsg+0xcd/0x170 [ 4192.364759][ T10] do_syscall_64+0xc6/0x1e0 [ 4192.364759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4192.364759][ T10] [ 4192.366370][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4192.366370][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4192.366370][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4192.366370][ T10] ipv6_find_idev+0x102/0x170 [ 4192.366370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4192.366370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.366370][ T10] netlink_rcv_skb+0x130/0x360 [ 4192.366370][ T10] netlink_unicast+0x449/0x710 [ 4192.366370][ T10] netlink_sendmsg+0x723/0xbe0 [ 4192.366370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4192.366370][ T10] ___sys_sendmsg+0xee/0x170 [ 4192.366370][ T10] __sys_sendmsg+0xcd/0x170 [ 4192.366370][ T10] do_syscall_64+0xc6/0x1e0 [ 4192.366370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4192.366370][ T10] [ 4198.489163][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4198.489594][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4198.489594][ T1167] dst_init+0x84/0x4a0 [ 4198.489594][ T1167] dst_alloc+0x97/0x150 [ 4198.489594][ T1167] ip6_dst_alloc+0x23/0x90 [ 4198.489594][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4198.489594][ T1167] ip6_pol_route+0x56f/0x840 [ 4198.489594][ T1167] fib6_rule_lookup+0x334/0x630 [ 4198.489594][ T1167] ip6_route_output_flags+0x259/0x480 [ 4198.489594][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4198.489594][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4198.489594][ T1167] netlink_rcv_skb+0x130/0x360 [ 4198.489594][ T1167] netlink_unicast+0x449/0x710 [ 4198.489594][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4198.489594][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4198.489594][ T1167] ___sys_sendmsg+0xee/0x170 [ 4198.489594][ T1167] __sys_sendmsg+0xcd/0x170 [ 4198.489594][ T1167] do_syscall_64+0xc6/0x1e0 [ 4198.489594][ T1167] [ 4198.491789][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4198.491789][ T1167] netdev_get_by_index+0x5e/0x80 [ 4198.491789][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4198.491789][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4198.491789][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4198.491789][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4198.491789][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4198.491789][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4198.491789][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4198.491789][ T1167] addrconf_dad_begin+0x310/0x670 [ 4198.491789][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4198.491789][ T1167] process_one_work+0x84d/0x18a0 [ 4198.491789][ T1167] worker_thread+0x587/0xd30 [ 4198.491789][ T1167] kthread+0x28a/0x350 [ 4198.491789][ T1167] ret_from_fork+0x31/0x70 [ 4198.491789][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4198.491789][ T1167] [ 4198.493978][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4198.493978][ T1167] netdev_get_by_index+0x5e/0x80 [ 4198.493978][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4198.493978][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4198.493978][ T1167] ip6_route_add+0x1c/0x140 [ 4198.493978][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4198.493978][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4198.493978][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4198.493978][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4198.493978][ T1167] netlink_rcv_skb+0x130/0x360 [ 4198.493978][ T1167] netlink_unicast+0x449/0x710 [ 4198.493978][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4198.493978][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4198.493978][ T1167] ___sys_sendmsg+0xee/0x170 [ 4198.493978][ T1167] __sys_sendmsg+0xcd/0x170 [ 4198.493978][ T1167] do_syscall_64+0xc6/0x1e0 [ 4198.493978][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4198.493978][ T1167] [ 4198.496227][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4198.496227][ T1167] netdev_get_by_index+0x5e/0x80 [ 4198.496227][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4198.496227][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4198.496227][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4198.496227][ T1167] ipv6_add_addr+0x411/0x2000 [ 4198.496227][ T1167] inet6_addr_add+0x30e/0xa40 [ 4198.496227][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4198.496227][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4198.496227][ T1167] netlink_rcv_skb+0x130/0x360 [ 4198.496227][ T1167] netlink_unicast+0x449/0x710 [ 4198.496227][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4198.496227][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4198.496227][ T1167] ___sys_sendmsg+0xee/0x170 [ 4198.496227][ T1167] __sys_sendmsg+0xcd/0x170 [ 4198.496227][ T1167] do_syscall_64+0xc6/0x1e0 [ 4198.496227][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4198.496227][ T1167] [ 4198.498474][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4198.498474][ T1167] netdev_get_by_index+0x5e/0x80 [ 4198.498474][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4198.498474][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4198.498474][ T1167] ip6_route_add+0x1c/0x140 [ 4198.498474][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4198.498474][ T1167] addrconf_add_dev+0xe2/0x170 [ 4198.498474][ T1167] inet6_addr_add+0x12f/0xa40 [ 4198.498474][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4198.498474][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4198.498474][ T1167] netlink_rcv_skb+0x130/0x360 [ 4198.498474][ T1167] netlink_unicast+0x449/0x710 [ 4198.498474][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4198.498474][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4198.498474][ T1167] ___sys_sendmsg+0xee/0x170 [ 4198.498474][ T1167] __sys_sendmsg+0xcd/0x170 [ 4198.498474][ T1167] do_syscall_64+0xc6/0x1e0 [ 4198.498474][ T1167] [ 4198.500676][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4198.500676][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4198.500676][ T1167] ipv6_find_idev+0x102/0x170 [ 4198.500676][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4198.500676][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4198.500676][ T1167] netlink_rcv_skb+0x130/0x360 [ 4198.500676][ T1167] netlink_unicast+0x449/0x710 [ 4198.500676][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4198.500676][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4198.500676][ T1167] ___sys_sendmsg+0xee/0x170 [ 4198.500676][ T1167] __sys_sendmsg+0xcd/0x170 [ 4198.500676][ T1167] do_syscall_64+0xc6/0x1e0 [ 4198.500676][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4198.500676][ T1167] [ 4198.502401][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4198.502401][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4198.502401][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4198.502401][ T1167] ipv6_find_idev+0x102/0x170 [ 4198.502401][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4198.502401][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4198.502401][ T1167] netlink_rcv_skb+0x130/0x360 [ 4198.502401][ T1167] netlink_unicast+0x449/0x710 [ 4198.502401][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4198.502401][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4198.502401][ T1167] ___sys_sendmsg+0xee/0x170 [ 4198.502401][ T1167] __sys_sendmsg+0xcd/0x170 [ 4198.502401][ T1167] do_syscall_64+0xc6/0x1e0 [ 4198.502401][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4198.502401][ T1167] [ 4202.609052][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4202.609594][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4202.609594][ T10] netdev_get_by_index+0x5e/0x80 [ 4202.609594][ T10] fib6_nh_init+0x3d8/0x1580 [ 4202.609594][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4202.609594][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4202.609594][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4202.609594][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4202.609594][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4202.609594][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4202.609594][ T10] addrconf_dad_begin+0x310/0x670 [ 4202.609594][ T10] addrconf_dad_work+0x10b/0xab0 [ 4202.609594][ T10] process_one_work+0x84d/0x18a0 [ 4202.609594][ T10] worker_thread+0x587/0xd30 [ 4202.609594][ T10] kthread+0x28a/0x350 [ 4202.609594][ T10] ret_from_fork+0x31/0x70 [ 4202.609594][ T10] ret_from_fork_asm+0x1a/0x30 [ 4202.609594][ T10] [ 4202.612605][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4202.612605][ T10] netdev_get_by_index+0x5e/0x80 [ 4202.612605][ T10] fib6_nh_init+0x3d8/0x1580 [ 4202.612605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4202.612605][ T10] ip6_route_add+0x1c/0x140 [ 4202.612605][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4202.612605][ T10] inet6_addr_add+0x4f8/0xa40 [ 4202.612605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4202.612605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.612605][ T10] netlink_rcv_skb+0x130/0x360 [ 4202.612605][ T10] netlink_unicast+0x449/0x710 [ 4202.612605][ T10] netlink_sendmsg+0x723/0xbe0 [ 4202.612605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4202.612605][ T10] ___sys_sendmsg+0xee/0x170 [ 4202.612605][ T10] __sys_sendmsg+0xcd/0x170 [ 4202.612605][ T10] do_syscall_64+0xc6/0x1e0 [ 4202.612605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4202.612605][ T10] [ 4202.615752][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4202.615752][ T10] netdev_get_by_index+0x5e/0x80 [ 4202.615752][ T10] fib6_nh_init+0x3d8/0x1580 [ 4202.615752][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4202.615752][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4202.615752][ T10] ipv6_add_addr+0x411/0x2000 [ 4202.615752][ T10] inet6_addr_add+0x30e/0xa40 [ 4202.615752][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4202.615752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.615752][ T10] netlink_rcv_skb+0x130/0x360 [ 4202.615752][ T10] netlink_unicast+0x449/0x710 [ 4202.615752][ T10] netlink_sendmsg+0x723/0xbe0 [ 4202.615752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4202.615752][ T10] ___sys_sendmsg+0xee/0x170 [ 4202.615752][ T10] __sys_sendmsg+0xcd/0x170 [ 4202.615752][ T10] do_syscall_64+0xc6/0x1e0 [ 4202.615752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4202.615752][ T10] [ 4202.619014][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4202.619014][ T10] netdev_get_by_index+0x5e/0x80 [ 4202.619014][ T10] fib6_nh_init+0x3d8/0x1580 [ 4202.619014][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4202.619014][ T10] ip6_route_add+0x1c/0x140 [ 4202.619014][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4202.619014][ T10] addrconf_add_dev+0xe2/0x170 [ 4202.619014][ T10] inet6_addr_add+0x12f/0xa40 [ 4202.619014][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4202.619014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.619014][ T10] netlink_rcv_skb+0x130/0x360 [ 4202.619014][ T10] netlink_unicast+0x449/0x710 [ 4202.619014][ T10] netlink_sendmsg+0x723/0xbe0 [ 4202.619014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4202.619014][ T10] ___sys_sendmsg+0xee/0x170 [ 4202.619014][ T10] __sys_sendmsg+0xcd/0x170 [ 4202.619014][ T10] do_syscall_64+0xc6/0x1e0 [ 4202.619014][ T10] [ 4202.622094][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4202.622094][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4202.622094][ T10] ipv6_find_idev+0x102/0x170 [ 4202.622094][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4202.622094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.622094][ T10] netlink_rcv_skb+0x130/0x360 [ 4202.622094][ T10] netlink_unicast+0x449/0x710 [ 4202.622094][ T10] netlink_sendmsg+0x723/0xbe0 [ 4202.622094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4202.622094][ T10] ___sys_sendmsg+0xee/0x170 [ 4202.622094][ T10] __sys_sendmsg+0xcd/0x170 [ 4202.622094][ T10] do_syscall_64+0xc6/0x1e0 [ 4202.622094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4202.622094][ T10] [ 4202.624520][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4202.624520][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4202.624520][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4202.624520][ T10] ipv6_find_idev+0x102/0x170 [ 4202.624520][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4202.624520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.624520][ T10] netlink_rcv_skb+0x130/0x360 [ 4202.624520][ T10] netlink_unicast+0x449/0x710 [ 4202.624520][ T10] netlink_sendmsg+0x723/0xbe0 [ 4202.624520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4202.624520][ T10] ___sys_sendmsg+0xee/0x170 [ 4202.624520][ T10] __sys_sendmsg+0xcd/0x170 [ 4202.624520][ T10] do_syscall_64+0xc6/0x1e0 [ 4202.624520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4202.624520][ T10] [ 4202.627111][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4202.627496][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4202.627496][ T10] netdev_get_by_index+0x5e/0x80 [ 4202.627496][ T10] fib6_nh_init+0x3d8/0x1580 [ 4202.627496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4202.627496][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4202.627496][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4202.627496][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4202.627496][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4202.627496][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4202.627496][ T10] addrconf_dad_begin+0x310/0x670 [ 4202.627496][ T10] addrconf_dad_work+0x10b/0xab0 [ 4202.627496][ T10] process_one_work+0x84d/0x18a0 [ 4202.627496][ T10] worker_thread+0x587/0xd30 [ 4202.627496][ T10] kthread+0x28a/0x350 [ 4202.627496][ T10] ret_from_fork+0x31/0x70 [ 4202.627496][ T10] ret_from_fork_asm+0x1a/0x30 [ 4202.627496][ T10] [ 4202.630506][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4202.630506][ T10] netdev_get_by_index+0x5e/0x80 [ 4202.630506][ T10] fib6_nh_init+0x3d8/0x1580 [ 4202.630506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4202.630506][ T10] ip6_route_add+0x1c/0x140 [ 4202.630506][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4202.630506][ T10] inet6_addr_add+0x4f8/0xa40 [ 4202.630506][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4202.630506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.630506][ T10] netlink_rcv_skb+0x130/0x360 [ 4202.630506][ T10] netlink_unicast+0x449/0x710 [ 4202.630506][ T10] netlink_sendmsg+0x723/0xbe0 [ 4202.630506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4202.630506][ T10] ___sys_sendmsg+0xee/0x170 [ 4202.630506][ T10] __sys_sendmsg+0xcd/0x170 [ 4202.630506][ T10] do_syscall_64+0xc6/0x1e0 [ 4202.630506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4202.630506][ T10] [ 4202.633479][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4202.633479][ T10] netdev_get_by_index+0x5e/0x80 [ 4202.633479][ T10] fib6_nh_init+0x3d8/0x1580 [ 4202.633479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4202.633479][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4202.633479][ T10] ipv6_add_addr+0x411/0x2000 [ 4202.633479][ T10] inet6_addr_add+0x30e/0xa40 [ 4202.633479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4202.633479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.633479][ T10] netlink_rcv_skb+0x130/0x360 [ 4202.633479][ T10] netlink_unicast+0x449/0x710 [ 4202.633479][ T10] netlink_sendmsg+0x723/0xbe0 [ 4202.633479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4202.633479][ T10] ___sys_sendmsg+0xee/0x170 [ 4202.633479][ T10] __sys_sendmsg+0xcd/0x170 [ 4202.633479][ T10] do_syscall_64+0xc6/0x1e0 [ 4202.633479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4202.633479][ T10] [ 4202.637349][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4202.637349][ T10] netdev_get_by_index+0x5e/0x80 [ 4202.637349][ T10] fib6_nh_init+0x3d8/0x1580 [ 4202.637349][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4202.637349][ T10] ip6_route_add+0x1c/0x140 [ 4202.637349][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4202.637349][ T10] addrconf_add_dev+0xe2/0x170 [ 4202.637349][ T10] inet6_addr_add+0x12f/0xa40 [ 4202.637349][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4202.637349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.637349][ T10] netlink_rcv_skb+0x130/0x360 [ 4202.637349][ T10] netlink_unicast+0x449/0x710 [ 4202.637349][ T10] netlink_sendmsg+0x723/0xbe0 [ 4202.637349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4202.637349][ T10] ___sys_sendmsg+0xee/0x170 [ 4202.637349][ T10] __sys_sendmsg+0xcd/0x170 [ 4202.637349][ T10] do_syscall_64+0xc6/0x1e0 [ 4202.637349][ T10] [ 4202.640354][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4202.640354][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4202.640354][ T10] ipv6_find_idev+0x102/0x170 [ 4202.640354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4202.640354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.640354][ T10] netlink_rcv_skb+0x130/0x360 [ 4202.640354][ T10] netlink_unicast+0x449/0x710 [ 4202.640354][ T10] netlink_sendmsg+0x723/0xbe0 [ 4202.640354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4202.640354][ T10] ___sys_sendmsg+0xee/0x170 [ 4202.640354][ T10] __sys_sendmsg+0xcd/0x170 [ 4202.640354][ T10] do_syscall_64+0xc6/0x1e0 [ 4202.640354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4202.640354][ T10] [ 4202.642733][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4202.642733][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4202.642733][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4202.642733][ T10] ipv6_find_idev+0x102/0x170 [ 4202.642733][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4202.642733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.642733][ T10] netlink_rcv_skb+0x130/0x360 [ 4202.642733][ T10] netlink_unicast+0x449/0x710 [ 4202.642733][ T10] netlink_sendmsg+0x723/0xbe0 [ 4202.642733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4202.642733][ T10] ___sys_sendmsg+0xee/0x170 [ 4202.642733][ T10] __sys_sendmsg+0xcd/0x170 [ 4202.642733][ T10] do_syscall_64+0xc6/0x1e0 [ 4202.642733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4202.642733][ T10] [ 4202.645397][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4202.645776][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4202.645776][ T10] netdev_get_by_index+0x5e/0x80 [ 4202.645776][ T10] fib6_nh_init+0x3d8/0x1580 [ 4202.645776][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4202.645776][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4202.645776][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4202.645776][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4202.645776][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4202.645776][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4202.645776][ T10] addrconf_dad_begin+0x310/0x670 [ 4202.645776][ T10] addrconf_dad_work+0x10b/0xab0 [ 4202.645776][ T10] process_one_work+0x84d/0x18a0 [ 4202.645776][ T10] worker_thread+0x587/0xd30 [ 4202.645776][ T10] kthread+0x28a/0x350 [ 4202.645776][ T10] ret_from_fork+0x31/0x70 [ 4202.645776][ T10] ret_from_fork_asm+0x1a/0x30 [ 4202.645776][ T10] [ 4202.648695][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4202.648695][ T10] netdev_get_by_index+0x5e/0x80 [ 4202.648695][ T10] fib6_nh_init+0x3d8/0x1580 [ 4202.648695][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4202.648695][ T10] ip6_route_add+0x1c/0x140 [ 4202.648695][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4202.648695][ T10] inet6_addr_add+0x4f8/0xa40 [ 4202.648695][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4202.648695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.648695][ T10] netlink_rcv_skb+0x130/0x360 [ 4202.648695][ T10] netlink_unicast+0x449/0x710 [ 4202.648695][ T10] netlink_sendmsg+0x723/0xbe0 [ 4202.648695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4202.648695][ T10] ___sys_sendmsg+0xee/0x170 [ 4202.648695][ T10] __sys_sendmsg+0xcd/0x170 [ 4202.648695][ T10] do_syscall_64+0xc6/0x1e0 [ 4202.648695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4202.648695][ T10] [ 4202.652084][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4202.652084][ T10] netdev_get_by_index+0x5e/0x80 [ 4202.652084][ T10] fib6_nh_init+0x3d8/0x1580 [ 4202.652084][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4202.652084][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4202.652084][ T10] ipv6_add_addr+0x411/0x2000 [ 4202.652084][ T10] inet6_addr_add+0x30e/0xa40 [ 4202.652084][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4202.652084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.652084][ T10] netlink_rcv_skb+0x130/0x360 [ 4202.652084][ T10] netlink_unicast+0x449/0x710 [ 4202.652084][ T10] netlink_sendmsg+0x723/0xbe0 [ 4202.652084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4202.652084][ T10] ___sys_sendmsg+0xee/0x170 [ 4202.652084][ T10] __sys_sendmsg+0xcd/0x170 [ 4202.652084][ T10] do_syscall_64+0xc6/0x1e0 [ 4202.652084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4202.652084][ T10] [ 4202.654772][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4202.654772][ T10] netdev_get_by_index+0x5e/0x80 [ 4202.654772][ T10] fib6_nh_init+0x3d8/0x1580 [ 4202.654772][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4202.654772][ T10] ip6_route_add+0x1c/0x140 [ 4202.654772][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4202.654772][ T10] addrconf_add_dev+0xe2/0x170 [ 4202.654772][ T10] inet6_addr_add+0x12f/0xa40 [ 4202.654772][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4202.654772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.654772][ T10] netlink_rcv_skb+0x130/0x360 [ 4202.654772][ T10] netlink_unicast+0x449/0x710 [ 4202.654772][ T10] netlink_sendmsg+0x723/0xbe0 [ 4202.654772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4202.654772][ T10] ___sys_sendmsg+0xee/0x170 [ 4202.654772][ T10] __sys_sendmsg+0xcd/0x170 [ 4202.654772][ T10] do_syscall_64+0xc6/0x1e0 [ 4202.654772][ T10] [ 4202.656928][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4202.656928][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4202.656928][ T10] ipv6_find_idev+0x102/0x170 [ 4202.656928][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4202.656928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.656928][ T10] netlink_rcv_skb+0x130/0x360 [ 4202.656928][ T10] netlink_unicast+0x449/0x710 [ 4202.656928][ T10] netlink_sendmsg+0x723/0xbe0 [ 4202.656928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4202.656928][ T10] ___sys_sendmsg+0xee/0x170 [ 4202.656928][ T10] __sys_sendmsg+0xcd/0x170 [ 4202.656928][ T10] do_syscall_64+0xc6/0x1e0 [ 4202.656928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4202.656928][ T10] [ 4202.658873][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4202.658873][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4202.658873][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4202.658873][ T10] ipv6_find_idev+0x102/0x170 [ 4202.658873][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4202.658873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.658873][ T10] netlink_rcv_skb+0x130/0x360 [ 4202.658873][ T10] netlink_unicast+0x449/0x710 [ 4202.658873][ T10] netlink_sendmsg+0x723/0xbe0 [ 4202.658873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4202.658873][ T10] ___sys_sendmsg+0xee/0x170 [ 4202.658873][ T10] __sys_sendmsg+0xcd/0x170 [ 4202.658873][ T10] do_syscall_64+0xc6/0x1e0 [ 4202.658873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4202.658873][ T10] [ 4202.660880][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4202.661137][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4202.661137][ T10] netdev_get_by_index+0x5e/0x80 [ 4202.661137][ T10] fib6_nh_init+0x3d8/0x1580 [ 4202.661137][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4202.661137][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4202.661137][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4202.661137][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4202.661137][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4202.661137][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4202.661137][ T10] addrconf_dad_begin+0x310/0x670 [ 4202.661137][ T10] addrconf_dad_work+0x10b/0xab0 [ 4202.661137][ T10] process_one_work+0x84d/0x18a0 [ 4202.661137][ T10] worker_thread+0x587/0xd30 [ 4202.661137][ T10] kthread+0x28a/0x350 [ 4202.661137][ T10] ret_from_fork+0x31/0x70 [ 4202.661137][ T10] ret_from_fork_asm+0x1a/0x30 [ 4202.661137][ T10] [ 4202.663318][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4202.663318][ T10] netdev_get_by_index+0x5e/0x80 [ 4202.663318][ T10] fib6_nh_init+0x3d8/0x1580 [ 4202.663318][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4202.663318][ T10] ip6_route_add+0x1c/0x140 [ 4202.663318][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4202.663318][ T10] inet6_addr_add+0x4f8/0xa40 [ 4202.663318][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4202.663318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.663318][ T10] netlink_rcv_skb+0x130/0x360 [ 4202.663318][ T10] netlink_unicast+0x449/0x710 [ 4202.663318][ T10] netlink_sendmsg+0x723/0xbe0 [ 4202.663318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4202.663318][ T10] ___sys_sendmsg+0xee/0x170 [ 4202.663318][ T10] __sys_sendmsg+0xcd/0x170 [ 4202.663318][ T10] do_syscall_64+0xc6/0x1e0 [ 4202.663318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4202.663318][ T10] [ 4202.668610][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4202.668610][ T10] netdev_get_by_index+0x5e/0x80 [ 4202.668610][ T10] fib6_nh_init+0x3d8/0x1580 [ 4202.668610][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4202.668610][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4202.668610][ T10] ipv6_add_addr+0x411/0x2000 [ 4202.668610][ T10] inet6_addr_add+0x30e/0xa40 [ 4202.668610][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4202.668610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.668610][ T10] netlink_rcv_skb+0x130/0x360 [ 4202.668610][ T10] netlink_unicast+0x449/0x710 [ 4202.668610][ T10] netlink_sendmsg+0x723/0xbe0 [ 4202.668610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4202.668610][ T10] ___sys_sendmsg+0xee/0x170 [ 4202.668610][ T10] __sys_sendmsg+0xcd/0x170 [ 4202.668610][ T10] do_syscall_64+0xc6/0x1e0 [ 4202.668610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4202.668610][ T10] [ 4202.670811][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4202.670811][ T10] netdev_get_by_index+0x5e/0x80 [ 4202.670811][ T10] fib6_nh_init+0x3d8/0x1580 [ 4202.670811][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4202.670811][ T10] ip6_route_add+0x1c/0x140 [ 4202.670811][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4202.670811][ T10] addrconf_add_dev+0xe2/0x170 [ 4202.670811][ T10] inet6_addr_add+0x12f/0xa40 [ 4202.670811][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4202.670811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.670811][ T10] netlink_rcv_skb+0x130/0x360 [ 4202.670811][ T10] netlink_unicast+0x449/0x710 [ 4202.670811][ T10] netlink_sendmsg+0x723/0xbe0 [ 4202.670811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4202.670811][ T10] ___sys_sendmsg+0xee/0x170 [ 4202.670811][ T10] __sys_sendmsg+0xcd/0x170 [ 4202.670811][ T10] do_syscall_64+0xc6/0x1e0 [ 4202.670811][ T10] [ 4202.673094][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4202.673094][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4202.673094][ T10] ipv6_find_idev+0x102/0x170 [ 4202.673094][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4202.673094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.673094][ T10] netlink_rcv_skb+0x130/0x360 [ 4202.673094][ T10] netlink_unicast+0x449/0x710 [ 4202.673094][ T10] netlink_sendmsg+0x723/0xbe0 [ 4202.673094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4202.673094][ T10] ___sys_sendmsg+0xee/0x170 [ 4202.673094][ T10] __sys_sendmsg+0xcd/0x170 [ 4202.673094][ T10] do_syscall_64+0xc6/0x1e0 [ 4202.673094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4202.673094][ T10] [ 4202.675073][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4202.675073][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4202.675073][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4202.675073][ T10] ipv6_find_idev+0x102/0x170 [ 4202.675073][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4202.675073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.675073][ T10] netlink_rcv_skb+0x130/0x360 [ 4202.675073][ T10] netlink_unicast+0x449/0x710 [ 4202.675073][ T10] netlink_sendmsg+0x723/0xbe0 [ 4202.675073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4202.675073][ T10] ___sys_sendmsg+0xee/0x170 [ 4202.675073][ T10] __sys_sendmsg+0xcd/0x170 [ 4202.675073][ T10] do_syscall_64+0xc6/0x1e0 [ 4202.675073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4202.675073][ T10] [ 4208.745118][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4208.745615][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4208.745615][ T1167] dst_init+0x84/0x4a0 [ 4208.745615][ T1167] dst_alloc+0x97/0x150 [ 4208.745615][ T1167] ip6_dst_alloc+0x23/0x90 [ 4208.745615][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4208.745615][ T1167] ip6_pol_route+0x56f/0x840 [ 4208.745615][ T1167] fib6_rule_lookup+0x334/0x630 [ 4208.745615][ T1167] ip6_route_output_flags+0x259/0x480 [ 4208.745615][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4208.745615][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4208.745615][ T1167] netlink_rcv_skb+0x130/0x360 [ 4208.745615][ T1167] netlink_unicast+0x449/0x710 [ 4208.745615][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4208.745615][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4208.745615][ T1167] ___sys_sendmsg+0xee/0x170 [ 4208.745615][ T1167] __sys_sendmsg+0xcd/0x170 [ 4208.745615][ T1167] do_syscall_64+0xc6/0x1e0 [ 4208.745615][ T1167] [ 4208.747852][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4208.747852][ T1167] netdev_get_by_index+0x5e/0x80 [ 4208.747852][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4208.747852][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4208.747852][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4208.747852][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4208.747852][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4208.747852][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4208.747852][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4208.747852][ T1167] addrconf_dad_begin+0x310/0x670 [ 4208.747852][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4208.747852][ T1167] process_one_work+0x84d/0x18a0 [ 4208.747852][ T1167] worker_thread+0x587/0xd30 [ 4208.747852][ T1167] kthread+0x28a/0x350 [ 4208.747852][ T1167] ret_from_fork+0x31/0x70 [ 4208.747852][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4208.747852][ T1167] [ 4208.750021][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4208.750021][ T1167] netdev_get_by_index+0x5e/0x80 [ 4208.750021][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4208.750021][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4208.750021][ T1167] ip6_route_add+0x1c/0x140 [ 4208.750021][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4208.750021][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4208.750021][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4208.750021][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4208.750021][ T1167] netlink_rcv_skb+0x130/0x360 [ 4208.750021][ T1167] netlink_unicast+0x449/0x710 [ 4208.750021][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4208.750021][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4208.750021][ T1167] ___sys_sendmsg+0xee/0x170 [ 4208.750021][ T1167] __sys_sendmsg+0xcd/0x170 [ 4208.750021][ T1167] do_syscall_64+0xc6/0x1e0 [ 4208.750021][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4208.750021][ T1167] [ 4208.752274][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4208.752274][ T1167] netdev_get_by_index+0x5e/0x80 [ 4208.752274][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4208.752274][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4208.752274][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4208.752274][ T1167] ipv6_add_addr+0x411/0x2000 [ 4208.752274][ T1167] inet6_addr_add+0x30e/0xa40 [ 4208.752274][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4208.752274][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4208.752274][ T1167] netlink_rcv_skb+0x130/0x360 [ 4208.752274][ T1167] netlink_unicast+0x449/0x710 [ 4208.752274][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4208.752274][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4208.752274][ T1167] ___sys_sendmsg+0xee/0x170 [ 4208.752274][ T1167] __sys_sendmsg+0xcd/0x170 [ 4208.752274][ T1167] do_syscall_64+0xc6/0x1e0 [ 4208.752274][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4208.752274][ T1167] [ 4208.754541][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4208.754541][ T1167] netdev_get_by_index+0x5e/0x80 [ 4208.754541][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4208.754541][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4208.754541][ T1167] ip6_route_add+0x1c/0x140 [ 4208.754541][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4208.754541][ T1167] addrconf_add_dev+0xe2/0x170 [ 4208.754541][ T1167] inet6_addr_add+0x12f/0xa40 [ 4208.754541][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4208.754541][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4208.754541][ T1167] netlink_rcv_skb+0x130/0x360 [ 4208.754541][ T1167] netlink_unicast+0x449/0x710 [ 4208.754541][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4208.754541][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4208.754541][ T1167] ___sys_sendmsg+0xee/0x170 [ 4208.754541][ T1167] __sys_sendmsg+0xcd/0x170 [ 4208.754541][ T1167] do_syscall_64+0xc6/0x1e0 [ 4208.754541][ T1167] [ 4208.756731][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4208.756731][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4208.756731][ T1167] ipv6_find_idev+0x102/0x170 [ 4208.756731][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4208.756731][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4208.756731][ T1167] netlink_rcv_skb+0x130/0x360 [ 4208.756731][ T1167] netlink_unicast+0x449/0x710 [ 4208.756731][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4208.756731][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4208.756731][ T1167] ___sys_sendmsg+0xee/0x170 [ 4208.756731][ T1167] __sys_sendmsg+0xcd/0x170 [ 4208.756731][ T1167] do_syscall_64+0xc6/0x1e0 [ 4208.756731][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4208.756731][ T1167] [ 4208.758469][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4208.758469][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4208.758469][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4208.758469][ T1167] ipv6_find_idev+0x102/0x170 [ 4208.758469][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4208.758469][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4208.758469][ T1167] netlink_rcv_skb+0x130/0x360 [ 4208.758469][ T1167] netlink_unicast+0x449/0x710 [ 4208.758469][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4208.758469][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4208.758469][ T1167] ___sys_sendmsg+0xee/0x170 [ 4208.758469][ T1167] __sys_sendmsg+0xcd/0x170 [ 4208.758469][ T1167] do_syscall_64+0xc6/0x1e0 [ 4208.758469][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4208.758469][ T1167] [ 4212.913131][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4212.913576][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4212.913576][ T10] netdev_get_by_index+0x5e/0x80 [ 4212.913576][ T10] fib6_nh_init+0x3d8/0x1580 [ 4212.913576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4212.913576][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4212.913576][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4212.913576][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4212.913576][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4212.913576][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4212.913576][ T10] addrconf_dad_begin+0x310/0x670 [ 4212.913576][ T10] addrconf_dad_work+0x10b/0xab0 [ 4212.913576][ T10] process_one_work+0x84d/0x18a0 [ 4212.913576][ T10] worker_thread+0x587/0xd30 [ 4212.913576][ T10] kthread+0x28a/0x350 [ 4212.913576][ T10] ret_from_fork+0x31/0x70 [ 4212.913576][ T10] ret_from_fork_asm+0x1a/0x30 [ 4212.913576][ T10] [ 4212.915616][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4212.915616][ T10] netdev_get_by_index+0x5e/0x80 [ 4212.915616][ T10] fib6_nh_init+0x3d8/0x1580 [ 4212.915616][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4212.915616][ T10] ip6_route_add+0x1c/0x140 [ 4212.915616][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4212.915616][ T10] inet6_addr_add+0x4f8/0xa40 [ 4212.915616][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4212.915616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.915616][ T10] netlink_rcv_skb+0x130/0x360 [ 4212.915616][ T10] netlink_unicast+0x449/0x710 [ 4212.915616][ T10] netlink_sendmsg+0x723/0xbe0 [ 4212.915616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4212.915616][ T10] ___sys_sendmsg+0xee/0x170 [ 4212.915616][ T10] __sys_sendmsg+0xcd/0x170 [ 4212.915616][ T10] do_syscall_64+0xc6/0x1e0 [ 4212.915616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4212.915616][ T10] [ 4212.917624][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4212.917624][ T10] netdev_get_by_index+0x5e/0x80 [ 4212.917624][ T10] fib6_nh_init+0x3d8/0x1580 [ 4212.917624][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4212.917624][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4212.917624][ T10] ipv6_add_addr+0x411/0x2000 [ 4212.917624][ T10] inet6_addr_add+0x30e/0xa40 [ 4212.917624][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4212.917624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.917624][ T10] netlink_rcv_skb+0x130/0x360 [ 4212.917624][ T10] netlink_unicast+0x449/0x710 [ 4212.917624][ T10] netlink_sendmsg+0x723/0xbe0 [ 4212.917624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4212.917624][ T10] ___sys_sendmsg+0xee/0x170 [ 4212.917624][ T10] __sys_sendmsg+0xcd/0x170 [ 4212.917624][ T10] do_syscall_64+0xc6/0x1e0 [ 4212.917624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4212.917624][ T10] [ 4212.919634][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4212.919634][ T10] netdev_get_by_index+0x5e/0x80 [ 4212.919634][ T10] fib6_nh_init+0x3d8/0x1580 [ 4212.919634][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4212.919634][ T10] ip6_route_add+0x1c/0x140 [ 4212.919634][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4212.919634][ T10] addrconf_add_dev+0xe2/0x170 [ 4212.919634][ T10] inet6_addr_add+0x12f/0xa40 [ 4212.919634][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4212.919634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.919634][ T10] netlink_rcv_skb+0x130/0x360 [ 4212.919634][ T10] netlink_unicast+0x449/0x710 [ 4212.919634][ T10] netlink_sendmsg+0x723/0xbe0 [ 4212.919634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4212.919634][ T10] ___sys_sendmsg+0xee/0x170 [ 4212.919634][ T10] __sys_sendmsg+0xcd/0x170 [ 4212.919634][ T10] do_syscall_64+0xc6/0x1e0 [ 4212.919634][ T10] [ 4212.921585][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4212.921585][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4212.921585][ T10] ipv6_find_idev+0x102/0x170 [ 4212.921585][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4212.921585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.921585][ T10] netlink_rcv_skb+0x130/0x360 [ 4212.921585][ T10] netlink_unicast+0x449/0x710 [ 4212.921585][ T10] netlink_sendmsg+0x723/0xbe0 [ 4212.921585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4212.921585][ T10] ___sys_sendmsg+0xee/0x170 [ 4212.921585][ T10] __sys_sendmsg+0xcd/0x170 [ 4212.921585][ T10] do_syscall_64+0xc6/0x1e0 [ 4212.921585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4212.921585][ T10] [ 4212.923108][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4212.923108][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4212.923108][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4212.923108][ T10] ipv6_find_idev+0x102/0x170 [ 4212.923108][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4212.923108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.923108][ T10] netlink_rcv_skb+0x130/0x360 [ 4212.923108][ T10] netlink_unicast+0x449/0x710 [ 4212.923108][ T10] netlink_sendmsg+0x723/0xbe0 [ 4212.923108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4212.923108][ T10] ___sys_sendmsg+0xee/0x170 [ 4212.923108][ T10] __sys_sendmsg+0xcd/0x170 [ 4212.923108][ T10] do_syscall_64+0xc6/0x1e0 [ 4212.923108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4212.923108][ T10] [ 4212.924767][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4212.925005][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4212.925005][ T10] netdev_get_by_index+0x5e/0x80 [ 4212.925005][ T10] fib6_nh_init+0x3d8/0x1580 [ 4212.925005][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4212.925005][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4212.925005][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4212.925005][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4212.925005][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4212.925005][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4212.925005][ T10] addrconf_dad_begin+0x310/0x670 [ 4212.925005][ T10] addrconf_dad_work+0x10b/0xab0 [ 4212.925005][ T10] process_one_work+0x84d/0x18a0 [ 4212.925005][ T10] worker_thread+0x587/0xd30 [ 4212.925005][ T10] kthread+0x28a/0x350 [ 4212.925005][ T10] ret_from_fork+0x31/0x70 [ 4212.925005][ T10] ret_from_fork_asm+0x1a/0x30 [ 4212.925005][ T10] [ 4212.926921][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4212.926921][ T10] netdev_get_by_index+0x5e/0x80 [ 4212.926921][ T10] fib6_nh_init+0x3d8/0x1580 [ 4212.926921][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4212.926921][ T10] ip6_route_add+0x1c/0x140 [ 4212.926921][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4212.926921][ T10] inet6_addr_add+0x4f8/0xa40 [ 4212.926921][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4212.926921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.926921][ T10] netlink_rcv_skb+0x130/0x360 [ 4212.926921][ T10] netlink_unicast+0x449/0x710 [ 4212.926921][ T10] netlink_sendmsg+0x723/0xbe0 [ 4212.926921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4212.926921][ T10] ___sys_sendmsg+0xee/0x170 [ 4212.926921][ T10] __sys_sendmsg+0xcd/0x170 [ 4212.926921][ T10] do_syscall_64+0xc6/0x1e0 [ 4212.926921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4212.926921][ T10] [ 4212.928905][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4212.928905][ T10] netdev_get_by_index+0x5e/0x80 [ 4212.928905][ T10] fib6_nh_init+0x3d8/0x1580 [ 4212.928905][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4212.928905][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4212.928905][ T10] ipv6_add_addr+0x411/0x2000 [ 4212.928905][ T10] inet6_addr_add+0x30e/0xa40 [ 4212.928905][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4212.928905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.928905][ T10] netlink_rcv_skb+0x130/0x360 [ 4212.928905][ T10] netlink_unicast+0x449/0x710 [ 4212.928905][ T10] netlink_sendmsg+0x723/0xbe0 [ 4212.928905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4212.928905][ T10] ___sys_sendmsg+0xee/0x170 [ 4212.928905][ T10] __sys_sendmsg+0xcd/0x170 [ 4212.928905][ T10] do_syscall_64+0xc6/0x1e0 [ 4212.928905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4212.928905][ T10] [ 4212.930886][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4212.930886][ T10] netdev_get_by_index+0x5e/0x80 [ 4212.930886][ T10] fib6_nh_init+0x3d8/0x1580 [ 4212.930886][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4212.930886][ T10] ip6_route_add+0x1c/0x140 [ 4212.930886][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4212.930886][ T10] addrconf_add_dev+0xe2/0x170 [ 4212.930886][ T10] inet6_addr_add+0x12f/0xa40 [ 4212.930886][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4212.930886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.930886][ T10] netlink_rcv_skb+0x130/0x360 [ 4212.930886][ T10] netlink_unicast+0x449/0x710 [ 4212.930886][ T10] netlink_sendmsg+0x723/0xbe0 [ 4212.930886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4212.930886][ T10] ___sys_sendmsg+0xee/0x170 [ 4212.930886][ T10] __sys_sendmsg+0xcd/0x170 [ 4212.930886][ T10] do_syscall_64+0xc6/0x1e0 [ 4212.930886][ T10] [ 4212.932843][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4212.932843][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4212.932843][ T10] ipv6_find_idev+0x102/0x170 [ 4212.932843][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4212.932843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.932843][ T10] netlink_rcv_skb+0x130/0x360 [ 4212.932843][ T10] netlink_unicast+0x449/0x710 [ 4212.932843][ T10] netlink_sendmsg+0x723/0xbe0 [ 4212.932843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4212.932843][ T10] ___sys_sendmsg+0xee/0x170 [ 4212.932843][ T10] __sys_sendmsg+0xcd/0x170 [ 4212.932843][ T10] do_syscall_64+0xc6/0x1e0 [ 4212.932843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4212.932843][ T10] [ 4212.934381][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4212.934381][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4212.934381][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4212.934381][ T10] ipv6_find_idev+0x102/0x170 [ 4212.934381][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4212.934381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.934381][ T10] netlink_rcv_skb+0x130/0x360 [ 4212.934381][ T10] netlink_unicast+0x449/0x710 [ 4212.934381][ T10] netlink_sendmsg+0x723/0xbe0 [ 4212.934381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4212.934381][ T10] ___sys_sendmsg+0xee/0x170 [ 4212.934381][ T10] __sys_sendmsg+0xcd/0x170 [ 4212.934381][ T10] do_syscall_64+0xc6/0x1e0 [ 4212.934381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4212.934381][ T10] [ 4212.936057][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4212.936293][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4212.936293][ T10] netdev_get_by_index+0x5e/0x80 [ 4212.936293][ T10] fib6_nh_init+0x3d8/0x1580 [ 4212.936293][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4212.936293][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4212.936293][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4212.936293][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4212.936293][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4212.936293][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4212.936293][ T10] addrconf_dad_begin+0x310/0x670 [ 4212.936293][ T10] addrconf_dad_work+0x10b/0xab0 [ 4212.936293][ T10] process_one_work+0x84d/0x18a0 [ 4212.936293][ T10] worker_thread+0x587/0xd30 [ 4212.936293][ T10] kthread+0x28a/0x350 [ 4212.936293][ T10] ret_from_fork+0x31/0x70 [ 4212.936293][ T10] ret_from_fork_asm+0x1a/0x30 [ 4212.936293][ T10] [ 4212.938210][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4212.938210][ T10] netdev_get_by_index+0x5e/0x80 [ 4212.938210][ T10] fib6_nh_init+0x3d8/0x1580 [ 4212.938210][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4212.938210][ T10] ip6_route_add+0x1c/0x140 [ 4212.938210][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4212.938210][ T10] inet6_addr_add+0x4f8/0xa40 [ 4212.938210][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4212.938210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.938210][ T10] netlink_rcv_skb+0x130/0x360 [ 4212.938210][ T10] netlink_unicast+0x449/0x710 [ 4212.938210][ T10] netlink_sendmsg+0x723/0xbe0 [ 4212.938210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4212.938210][ T10] ___sys_sendmsg+0xee/0x170 [ 4212.938210][ T10] __sys_sendmsg+0xcd/0x170 [ 4212.938210][ T10] do_syscall_64+0xc6/0x1e0 [ 4212.938210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4212.938210][ T10] [ 4212.940381][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4212.940381][ T10] netdev_get_by_index+0x5e/0x80 [ 4212.940381][ T10] fib6_nh_init+0x3d8/0x1580 [ 4212.940381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4212.940381][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4212.940381][ T10] ipv6_add_addr+0x411/0x2000 [ 4212.940381][ T10] inet6_addr_add+0x30e/0xa40 [ 4212.940381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4212.940381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.940381][ T10] netlink_rcv_skb+0x130/0x360 [ 4212.940381][ T10] netlink_unicast+0x449/0x710 [ 4212.940381][ T10] netlink_sendmsg+0x723/0xbe0 [ 4212.940381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4212.940381][ T10] ___sys_sendmsg+0xee/0x170 [ 4212.940381][ T10] __sys_sendmsg+0xcd/0x170 [ 4212.940381][ T10] do_syscall_64+0xc6/0x1e0 [ 4212.940381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4212.940381][ T10] [ 4212.942698][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4212.942698][ T10] netdev_get_by_index+0x5e/0x80 [ 4212.942698][ T10] fib6_nh_init+0x3d8/0x1580 [ 4212.942698][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4212.942698][ T10] ip6_route_add+0x1c/0x140 [ 4212.942698][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4212.942698][ T10] addrconf_add_dev+0xe2/0x170 [ 4212.942698][ T10] inet6_addr_add+0x12f/0xa40 [ 4212.942698][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4212.942698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.942698][ T10] netlink_rcv_skb+0x130/0x360 [ 4212.942698][ T10] netlink_unicast+0x449/0x710 [ 4212.942698][ T10] netlink_sendmsg+0x723/0xbe0 [ 4212.942698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4212.942698][ T10] ___sys_sendmsg+0xee/0x170 [ 4212.942698][ T10] __sys_sendmsg+0xcd/0x170 [ 4212.942698][ T10] do_syscall_64+0xc6/0x1e0 [ 4212.942698][ T10] [ 4212.944861][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4212.944861][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4212.944861][ T10] ipv6_find_idev+0x102/0x170 [ 4212.944861][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4212.944861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.944861][ T10] netlink_rcv_skb+0x130/0x360 [ 4212.944861][ T10] netlink_unicast+0x449/0x710 [ 4212.944861][ T10] netlink_sendmsg+0x723/0xbe0 [ 4212.944861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4212.944861][ T10] ___sys_sendmsg+0xee/0x170 [ 4212.944861][ T10] __sys_sendmsg+0xcd/0x170 [ 4212.944861][ T10] do_syscall_64+0xc6/0x1e0 [ 4212.944861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4212.944861][ T10] [ 4212.946576][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4212.946576][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4212.946576][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4212.946576][ T10] ipv6_find_idev+0x102/0x170 [ 4212.946576][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4212.946576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.946576][ T10] netlink_rcv_skb+0x130/0x360 [ 4212.946576][ T10] netlink_unicast+0x449/0x710 [ 4212.946576][ T10] netlink_sendmsg+0x723/0xbe0 [ 4212.946576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4212.946576][ T10] ___sys_sendmsg+0xee/0x170 [ 4212.946576][ T10] __sys_sendmsg+0xcd/0x170 [ 4212.946576][ T10] do_syscall_64+0xc6/0x1e0 [ 4212.946576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4212.946576][ T10] [ 4212.948457][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4212.948709][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4212.948709][ T10] netdev_get_by_index+0x5e/0x80 [ 4212.948709][ T10] fib6_nh_init+0x3d8/0x1580 [ 4212.948709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4212.948709][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4212.948709][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4212.948709][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4212.948709][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4212.948709][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4212.948709][ T10] addrconf_dad_begin+0x310/0x670 [ 4212.948709][ T10] addrconf_dad_work+0x10b/0xab0 [ 4212.948709][ T10] process_one_work+0x84d/0x18a0 [ 4212.948709][ T10] worker_thread+0x587/0xd30 [ 4212.948709][ T10] kthread+0x28a/0x350 [ 4212.948709][ T10] ret_from_fork+0x31/0x70 [ 4212.948709][ T10] ret_from_fork_asm+0x1a/0x30 [ 4212.948709][ T10] [ 4212.950913][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4212.950913][ T10] netdev_get_by_index+0x5e/0x80 [ 4212.950913][ T10] fib6_nh_init+0x3d8/0x1580 [ 4212.950913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4212.950913][ T10] ip6_route_add+0x1c/0x140 [ 4212.950913][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4212.950913][ T10] inet6_addr_add+0x4f8/0xa40 [ 4212.950913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4212.950913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.950913][ T10] netlink_rcv_skb+0x130/0x360 [ 4212.950913][ T10] netlink_unicast+0x449/0x710 [ 4212.950913][ T10] netlink_sendmsg+0x723/0xbe0 [ 4212.950913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4212.950913][ T10] ___sys_sendmsg+0xee/0x170 [ 4212.950913][ T10] __sys_sendmsg+0xcd/0x170 [ 4212.950913][ T10] do_syscall_64+0xc6/0x1e0 [ 4212.950913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4212.950913][ T10] [ 4212.953090][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4212.953090][ T10] netdev_get_by_index+0x5e/0x80 [ 4212.953090][ T10] fib6_nh_init+0x3d8/0x1580 [ 4212.953090][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4212.953090][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4212.953090][ T10] ipv6_add_addr+0x411/0x2000 [ 4212.953090][ T10] inet6_addr_add+0x30e/0xa40 [ 4212.953090][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4212.953090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.953090][ T10] netlink_rcv_skb+0x130/0x360 [ 4212.953090][ T10] netlink_unicast+0x449/0x710 [ 4212.953090][ T10] netlink_sendmsg+0x723/0xbe0 [ 4212.953090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4212.953090][ T10] ___sys_sendmsg+0xee/0x170 [ 4212.953090][ T10] __sys_sendmsg+0xcd/0x170 [ 4212.953090][ T10] do_syscall_64+0xc6/0x1e0 [ 4212.953090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4212.953090][ T10] [ 4212.955428][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4212.955428][ T10] netdev_get_by_index+0x5e/0x80 [ 4212.955428][ T10] fib6_nh_init+0x3d8/0x1580 [ 4212.955428][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4212.955428][ T10] ip6_route_add+0x1c/0x140 [ 4212.955428][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4212.955428][ T10] addrconf_add_dev+0xe2/0x170 [ 4212.955428][ T10] inet6_addr_add+0x12f/0xa40 [ 4212.955428][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4212.955428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.955428][ T10] netlink_rcv_skb+0x130/0x360 [ 4212.955428][ T10] netlink_unicast+0x449/0x710 [ 4212.955428][ T10] netlink_sendmsg+0x723/0xbe0 [ 4212.955428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4212.955428][ T10] ___sys_sendmsg+0xee/0x170 [ 4212.955428][ T10] __sys_sendmsg+0xcd/0x170 [ 4212.955428][ T10] do_syscall_64+0xc6/0x1e0 [ 4212.955428][ T10] [ 4212.957625][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4212.957625][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4212.957625][ T10] ipv6_find_idev+0x102/0x170 [ 4212.957625][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4212.957625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.957625][ T10] netlink_rcv_skb+0x130/0x360 [ 4212.957625][ T10] netlink_unicast+0x449/0x710 [ 4212.957625][ T10] netlink_sendmsg+0x723/0xbe0 [ 4212.957625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4212.957625][ T10] ___sys_sendmsg+0xee/0x170 [ 4212.957625][ T10] __sys_sendmsg+0xcd/0x170 [ 4212.957625][ T10] do_syscall_64+0xc6/0x1e0 [ 4212.957625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4212.957625][ T10] [ 4212.959337][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4212.959337][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4212.959337][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4212.959337][ T10] ipv6_find_idev+0x102/0x170 [ 4212.959337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4212.959337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.959337][ T10] netlink_rcv_skb+0x130/0x360 [ 4212.959337][ T10] netlink_unicast+0x449/0x710 [ 4212.959337][ T10] netlink_sendmsg+0x723/0xbe0 [ 4212.959337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4212.959337][ T10] ___sys_sendmsg+0xee/0x170 [ 4212.959337][ T10] __sys_sendmsg+0xcd/0x170 [ 4212.959337][ T10] do_syscall_64+0xc6/0x1e0 [ 4212.959337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4212.959337][ T10] [ 4219.001111][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4219.001587][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4219.001587][ T1167] dst_init+0x84/0x4a0 [ 4219.001587][ T1167] dst_alloc+0x97/0x150 [ 4219.001587][ T1167] ip6_dst_alloc+0x23/0x90 [ 4219.001587][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4219.001587][ T1167] ip6_pol_route+0x56f/0x840 [ 4219.001587][ T1167] fib6_rule_lookup+0x334/0x630 [ 4219.001587][ T1167] ip6_route_output_flags+0x259/0x480 [ 4219.001587][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4219.001587][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4219.001587][ T1167] netlink_rcv_skb+0x130/0x360 [ 4219.001587][ T1167] netlink_unicast+0x449/0x710 [ 4219.001587][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4219.001587][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4219.001587][ T1167] ___sys_sendmsg+0xee/0x170 [ 4219.001587][ T1167] __sys_sendmsg+0xcd/0x170 [ 4219.001587][ T1167] do_syscall_64+0xc6/0x1e0 [ 4219.001587][ T1167] [ 4219.003809][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4219.003809][ T1167] netdev_get_by_index+0x5e/0x80 [ 4219.003809][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4219.003809][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4219.003809][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4219.003809][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4219.003809][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4219.003809][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4219.003809][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4219.003809][ T1167] addrconf_dad_begin+0x310/0x670 [ 4219.003809][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4219.003809][ T1167] process_one_work+0x84d/0x18a0 [ 4219.003809][ T1167] worker_thread+0x587/0xd30 [ 4219.003809][ T1167] kthread+0x28a/0x350 [ 4219.003809][ T1167] ret_from_fork+0x31/0x70 [ 4219.003809][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4219.003809][ T1167] [ 4219.005976][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4219.005976][ T1167] netdev_get_by_index+0x5e/0x80 [ 4219.005976][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4219.005976][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4219.005976][ T1167] ip6_route_add+0x1c/0x140 [ 4219.005976][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4219.005976][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4219.005976][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4219.005976][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4219.005976][ T1167] netlink_rcv_skb+0x130/0x360 [ 4219.005976][ T1167] netlink_unicast+0x449/0x710 [ 4219.005976][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4219.005976][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4219.005976][ T1167] ___sys_sendmsg+0xee/0x170 [ 4219.005976][ T1167] __sys_sendmsg+0xcd/0x170 [ 4219.005976][ T1167] do_syscall_64+0xc6/0x1e0 [ 4219.005976][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4219.005976][ T1167] [ 4219.008226][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4219.008226][ T1167] netdev_get_by_index+0x5e/0x80 [ 4219.008226][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4219.008226][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4219.008226][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4219.008226][ T1167] ipv6_add_addr+0x411/0x2000 [ 4219.008226][ T1167] inet6_addr_add+0x30e/0xa40 [ 4219.008226][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4219.008226][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4219.008226][ T1167] netlink_rcv_skb+0x130/0x360 [ 4219.008226][ T1167] netlink_unicast+0x449/0x710 [ 4219.008226][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4219.008226][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4219.008226][ T1167] ___sys_sendmsg+0xee/0x170 [ 4219.008226][ T1167] __sys_sendmsg+0xcd/0x170 [ 4219.008226][ T1167] do_syscall_64+0xc6/0x1e0 [ 4219.008226][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4219.008226][ T1167] [ 4219.010473][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4219.010473][ T1167] netdev_get_by_index+0x5e/0x80 [ 4219.010473][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4219.010473][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4219.010473][ T1167] ip6_route_add+0x1c/0x140 [ 4219.010473][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4219.010473][ T1167] addrconf_add_dev+0xe2/0x170 [ 4219.010473][ T1167] inet6_addr_add+0x12f/0xa40 [ 4219.010473][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4219.010473][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4219.010473][ T1167] netlink_rcv_skb+0x130/0x360 [ 4219.010473][ T1167] netlink_unicast+0x449/0x710 [ 4219.010473][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4219.010473][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4219.010473][ T1167] ___sys_sendmsg+0xee/0x170 [ 4219.010473][ T1167] __sys_sendmsg+0xcd/0x170 [ 4219.010473][ T1167] do_syscall_64+0xc6/0x1e0 [ 4219.010473][ T1167] [ 4219.012669][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4219.012669][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4219.012669][ T1167] ipv6_find_idev+0x102/0x170 [ 4219.012669][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4219.012669][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4219.012669][ T1167] netlink_rcv_skb+0x130/0x360 [ 4219.012669][ T1167] netlink_unicast+0x449/0x710 [ 4219.012669][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4219.012669][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4219.012669][ T1167] ___sys_sendmsg+0xee/0x170 [ 4219.012669][ T1167] __sys_sendmsg+0xcd/0x170 [ 4219.012669][ T1167] do_syscall_64+0xc6/0x1e0 [ 4219.012669][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4219.012669][ T1167] [ 4219.014392][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4219.014392][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4219.014392][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4219.014392][ T1167] ipv6_find_idev+0x102/0x170 [ 4219.014392][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4219.014392][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4219.014392][ T1167] netlink_rcv_skb+0x130/0x360 [ 4219.014392][ T1167] netlink_unicast+0x449/0x710 [ 4219.014392][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4219.014392][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4219.014392][ T1167] ___sys_sendmsg+0xee/0x170 [ 4219.014392][ T1167] __sys_sendmsg+0xcd/0x170 [ 4219.014392][ T1167] do_syscall_64+0xc6/0x1e0 [ 4219.014392][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4219.014392][ T1167] [ 4223.201102][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4223.201514][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4223.201514][ T10] netdev_get_by_index+0x5e/0x80 [ 4223.201514][ T10] fib6_nh_init+0x3d8/0x1580 [ 4223.201514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4223.201514][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4223.201514][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4223.201514][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4223.201514][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4223.201514][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4223.201514][ T10] addrconf_dad_begin+0x310/0x670 [ 4223.201514][ T10] addrconf_dad_work+0x10b/0xab0 [ 4223.201514][ T10] process_one_work+0x84d/0x18a0 [ 4223.201514][ T10] worker_thread+0x587/0xd30 [ 4223.201514][ T10] kthread+0x28a/0x350 [ 4223.201514][ T10] ret_from_fork+0x31/0x70 [ 4223.201514][ T10] ret_from_fork_asm+0x1a/0x30 [ 4223.201514][ T10] [ 4223.203428][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4223.203428][ T10] netdev_get_by_index+0x5e/0x80 [ 4223.203428][ T10] fib6_nh_init+0x3d8/0x1580 [ 4223.203428][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4223.203428][ T10] ip6_route_add+0x1c/0x140 [ 4223.203428][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4223.203428][ T10] inet6_addr_add+0x4f8/0xa40 [ 4223.203428][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4223.203428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.203428][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.203428][ T10] netlink_unicast+0x449/0x710 [ 4223.203428][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.203428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.203428][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.203428][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.203428][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.203428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.203428][ T10] [ 4223.205416][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4223.205416][ T10] netdev_get_by_index+0x5e/0x80 [ 4223.205416][ T10] fib6_nh_init+0x3d8/0x1580 [ 4223.205416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4223.205416][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4223.205416][ T10] ipv6_add_addr+0x411/0x2000 [ 4223.205416][ T10] inet6_addr_add+0x30e/0xa40 [ 4223.205416][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4223.205416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.205416][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.205416][ T10] netlink_unicast+0x449/0x710 [ 4223.205416][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.205416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.205416][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.205416][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.205416][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.205416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.205416][ T10] [ 4223.207412][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4223.207412][ T10] netdev_get_by_index+0x5e/0x80 [ 4223.207412][ T10] fib6_nh_init+0x3d8/0x1580 [ 4223.207412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4223.207412][ T10] ip6_route_add+0x1c/0x140 [ 4223.207412][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4223.207412][ T10] addrconf_add_dev+0xe2/0x170 [ 4223.207412][ T10] inet6_addr_add+0x12f/0xa40 [ 4223.207412][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4223.207412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.207412][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.207412][ T10] netlink_unicast+0x449/0x710 [ 4223.207412][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.207412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.207412][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.207412][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.207412][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.207412][ T10] [ 4223.209381][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4223.209381][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4223.209381][ T10] ipv6_find_idev+0x102/0x170 [ 4223.209381][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4223.209381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.209381][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.209381][ T10] netlink_unicast+0x449/0x710 [ 4223.209381][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.209381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.209381][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.209381][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.209381][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.209381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.209381][ T10] [ 4223.210900][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4223.210900][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4223.210900][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4223.210900][ T10] ipv6_find_idev+0x102/0x170 [ 4223.210900][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4223.210900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.210900][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.210900][ T10] netlink_unicast+0x449/0x710 [ 4223.210900][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.210900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.210900][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.210900][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.210900][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.210900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.210900][ T10] [ 4223.212564][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4223.212815][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4223.212815][ T10] netdev_get_by_index+0x5e/0x80 [ 4223.212815][ T10] fib6_nh_init+0x3d8/0x1580 [ 4223.212815][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4223.212815][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4223.212815][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4223.212815][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4223.212815][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4223.212815][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4223.212815][ T10] addrconf_dad_begin+0x310/0x670 [ 4223.212815][ T10] addrconf_dad_work+0x10b/0xab0 [ 4223.212815][ T10] process_one_work+0x84d/0x18a0 [ 4223.212815][ T10] worker_thread+0x587/0xd30 [ 4223.212815][ T10] kthread+0x28a/0x350 [ 4223.212815][ T10] ret_from_fork+0x31/0x70 [ 4223.212815][ T10] ret_from_fork_asm+0x1a/0x30 [ 4223.212815][ T10] [ 4223.214699][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4223.214699][ T10] netdev_get_by_index+0x5e/0x80 [ 4223.214699][ T10] fib6_nh_init+0x3d8/0x1580 [ 4223.214699][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4223.214699][ T10] ip6_route_add+0x1c/0x140 [ 4223.214699][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4223.214699][ T10] inet6_addr_add+0x4f8/0xa40 [ 4223.214699][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4223.214699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.214699][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.214699][ T10] netlink_unicast+0x449/0x710 [ 4223.214699][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.214699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.214699][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.214699][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.214699][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.214699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.214699][ T10] [ 4223.216674][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4223.216674][ T10] netdev_get_by_index+0x5e/0x80 [ 4223.216674][ T10] fib6_nh_init+0x3d8/0x1580 [ 4223.216674][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4223.216674][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4223.216674][ T10] ipv6_add_addr+0x411/0x2000 [ 4223.216674][ T10] inet6_addr_add+0x30e/0xa40 [ 4223.216674][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4223.216674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.216674][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.216674][ T10] netlink_unicast+0x449/0x710 [ 4223.216674][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.216674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.216674][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.216674][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.216674][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.216674][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.216674][ T10] [ 4223.218655][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4223.218655][ T10] netdev_get_by_index+0x5e/0x80 [ 4223.218655][ T10] fib6_nh_init+0x3d8/0x1580 [ 4223.218655][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4223.218655][ T10] ip6_route_add+0x1c/0x140 [ 4223.218655][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4223.218655][ T10] addrconf_add_dev+0xe2/0x170 [ 4223.218655][ T10] inet6_addr_add+0x12f/0xa40 [ 4223.218655][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4223.218655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.218655][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.218655][ T10] netlink_unicast+0x449/0x710 [ 4223.218655][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.218655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.218655][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.218655][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.218655][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.218655][ T10] [ 4223.220598][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4223.220598][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4223.220598][ T10] ipv6_find_idev+0x102/0x170 [ 4223.220598][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4223.220598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.220598][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.220598][ T10] netlink_unicast+0x449/0x710 [ 4223.220598][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.220598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.220598][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.220598][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.220598][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.220598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.220598][ T10] [ 4223.222121][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4223.222121][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4223.222121][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4223.222121][ T10] ipv6_find_idev+0x102/0x170 [ 4223.222121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4223.222121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.222121][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.222121][ T10] netlink_unicast+0x449/0x710 [ 4223.222121][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.222121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.222121][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.222121][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.222121][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.222121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.222121][ T10] [ 4223.223797][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4223.224032][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4223.224032][ T10] netdev_get_by_index+0x5e/0x80 [ 4223.224032][ T10] fib6_nh_init+0x3d8/0x1580 [ 4223.224032][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4223.224032][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4223.224032][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4223.224032][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4223.224032][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4223.224032][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4223.224032][ T10] addrconf_dad_begin+0x310/0x670 [ 4223.224032][ T10] addrconf_dad_work+0x10b/0xab0 [ 4223.224032][ T10] process_one_work+0x84d/0x18a0 [ 4223.224032][ T10] worker_thread+0x587/0xd30 [ 4223.224032][ T10] kthread+0x28a/0x350 [ 4223.224032][ T10] ret_from_fork+0x31/0x70 [ 4223.224032][ T10] ret_from_fork_asm+0x1a/0x30 [ 4223.224032][ T10] [ 4223.225929][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4223.225929][ T10] netdev_get_by_index+0x5e/0x80 [ 4223.225929][ T10] fib6_nh_init+0x3d8/0x1580 [ 4223.225929][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4223.225929][ T10] ip6_route_add+0x1c/0x140 [ 4223.225929][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4223.225929][ T10] inet6_addr_add+0x4f8/0xa40 [ 4223.225929][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4223.225929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.225929][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.225929][ T10] netlink_unicast+0x449/0x710 [ 4223.225929][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.225929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.225929][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.225929][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.225929][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.225929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.225929][ T10] [ 4223.228094][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4223.228094][ T10] netdev_get_by_index+0x5e/0x80 [ 4223.228094][ T10] fib6_nh_init+0x3d8/0x1580 [ 4223.228094][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4223.228094][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4223.228094][ T10] ipv6_add_addr+0x411/0x2000 [ 4223.228094][ T10] inet6_addr_add+0x30e/0xa40 [ 4223.228094][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4223.228094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.228094][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.228094][ T10] netlink_unicast+0x449/0x710 [ 4223.228094][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.228094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.228094][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.228094][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.228094][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.228094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.228094][ T10] [ 4223.230370][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4223.230370][ T10] netdev_get_by_index+0x5e/0x80 [ 4223.230370][ T10] fib6_nh_init+0x3d8/0x1580 [ 4223.230370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4223.230370][ T10] ip6_route_add+0x1c/0x140 [ 4223.230370][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4223.230370][ T10] addrconf_add_dev+0xe2/0x170 [ 4223.230370][ T10] inet6_addr_add+0x12f/0xa40 [ 4223.230370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4223.230370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.230370][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.230370][ T10] netlink_unicast+0x449/0x710 [ 4223.230370][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.230370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.230370][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.230370][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.230370][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.230370][ T10] [ 4223.232510][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4223.232510][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4223.232510][ T10] ipv6_find_idev+0x102/0x170 [ 4223.232510][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4223.232510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.232510][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.232510][ T10] netlink_unicast+0x449/0x710 [ 4223.232510][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.232510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.232510][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.232510][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.232510][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.232510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.232510][ T10] [ 4223.234230][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4223.234230][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4223.234230][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4223.234230][ T10] ipv6_find_idev+0x102/0x170 [ 4223.234230][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4223.234230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.234230][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.234230][ T10] netlink_unicast+0x449/0x710 [ 4223.234230][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.234230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.234230][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.234230][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.234230][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.234230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.234230][ T10] [ 4223.236190][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4223.236428][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4223.236428][ T10] netdev_get_by_index+0x5e/0x80 [ 4223.236428][ T10] fib6_nh_init+0x3d8/0x1580 [ 4223.236428][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4223.236428][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4223.236428][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4223.236428][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4223.236428][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4223.236428][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4223.236428][ T10] addrconf_dad_begin+0x310/0x670 [ 4223.236428][ T10] addrconf_dad_work+0x10b/0xab0 [ 4223.236428][ T10] process_one_work+0x84d/0x18a0 [ 4223.236428][ T10] worker_thread+0x587/0xd30 [ 4223.236428][ T10] kthread+0x28a/0x350 [ 4223.236428][ T10] ret_from_fork+0x31/0x70 [ 4223.236428][ T10] ret_from_fork_asm+0x1a/0x30 [ 4223.236428][ T10] [ 4223.238638][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4223.238638][ T10] netdev_get_by_index+0x5e/0x80 [ 4223.238638][ T10] fib6_nh_init+0x3d8/0x1580 [ 4223.238638][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4223.238638][ T10] ip6_route_add+0x1c/0x140 [ 4223.238638][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4223.238638][ T10] inet6_addr_add+0x4f8/0xa40 [ 4223.238638][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4223.238638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.238638][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.238638][ T10] netlink_unicast+0x449/0x710 [ 4223.238638][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.238638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.238638][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.238638][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.238638][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.238638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.238638][ T10] [ 4223.240810][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4223.240810][ T10] netdev_get_by_index+0x5e/0x80 [ 4223.240810][ T10] fib6_nh_init+0x3d8/0x1580 [ 4223.240810][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4223.240810][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4223.240810][ T10] ipv6_add_addr+0x411/0x2000 [ 4223.240810][ T10] inet6_addr_add+0x30e/0xa40 [ 4223.240810][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4223.240810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.240810][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.240810][ T10] netlink_unicast+0x449/0x710 [ 4223.240810][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.240810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.240810][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.240810][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.240810][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.240810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.240810][ T10] [ 4223.243041][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4223.243041][ T10] netdev_get_by_index+0x5e/0x80 [ 4223.243041][ T10] fib6_nh_init+0x3d8/0x1580 [ 4223.243041][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4223.243041][ T10] ip6_route_add+0x1c/0x140 [ 4223.243041][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4223.243041][ T10] addrconf_add_dev+0xe2/0x170 [ 4223.243041][ T10] inet6_addr_add+0x12f/0xa40 [ 4223.243041][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4223.243041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.243041][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.243041][ T10] netlink_unicast+0x449/0x710 [ 4223.243041][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.243041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.243041][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.243041][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.243041][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.243041][ T10] [ 4223.245231][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4223.245231][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4223.245231][ T10] ipv6_find_idev+0x102/0x170 [ 4223.245231][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4223.245231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.245231][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.245231][ T10] netlink_unicast+0x449/0x710 [ 4223.245231][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.245231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.245231][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.245231][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.245231][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.245231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.245231][ T10] [ 4223.246943][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4223.246943][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4223.246943][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4223.246943][ T10] ipv6_find_idev+0x102/0x170 [ 4223.246943][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4223.246943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.246943][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.246943][ T10] netlink_unicast+0x449/0x710 [ 4223.246943][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.246943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.246943][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.246943][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.246943][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.246943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.246943][ T10] [ 4229.257128][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4229.257605][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4229.257605][ T1167] dst_init+0x84/0x4a0 [ 4229.257605][ T1167] dst_alloc+0x97/0x150 [ 4229.257605][ T1167] ip6_dst_alloc+0x23/0x90 [ 4229.257605][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4229.257605][ T1167] ip6_pol_route+0x56f/0x840 [ 4229.257605][ T1167] fib6_rule_lookup+0x334/0x630 [ 4229.257605][ T1167] ip6_route_output_flags+0x259/0x480 [ 4229.257605][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4229.257605][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4229.257605][ T1167] netlink_rcv_skb+0x130/0x360 [ 4229.257605][ T1167] netlink_unicast+0x449/0x710 [ 4229.257605][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4229.257605][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4229.257605][ T1167] ___sys_sendmsg+0xee/0x170 [ 4229.257605][ T1167] __sys_sendmsg+0xcd/0x170 [ 4229.257605][ T1167] do_syscall_64+0xc6/0x1e0 [ 4229.257605][ T1167] [ 4229.259831][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4229.259831][ T1167] netdev_get_by_index+0x5e/0x80 [ 4229.259831][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4229.259831][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4229.259831][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4229.259831][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4229.259831][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4229.259831][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4229.259831][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4229.259831][ T1167] addrconf_dad_begin+0x310/0x670 [ 4229.259831][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4229.259831][ T1167] process_one_work+0x84d/0x18a0 [ 4229.259831][ T1167] worker_thread+0x587/0xd30 [ 4229.259831][ T1167] kthread+0x28a/0x350 [ 4229.259831][ T1167] ret_from_fork+0x31/0x70 [ 4229.259831][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4229.259831][ T1167] [ 4229.261991][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4229.261991][ T1167] netdev_get_by_index+0x5e/0x80 [ 4229.261991][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4229.261991][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4229.261991][ T1167] ip6_route_add+0x1c/0x140 [ 4229.261991][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4229.261991][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4229.261991][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4229.261991][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4229.261991][ T1167] netlink_rcv_skb+0x130/0x360 [ 4229.261991][ T1167] netlink_unicast+0x449/0x710 [ 4229.261991][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4229.261991][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4229.261991][ T1167] ___sys_sendmsg+0xee/0x170 [ 4229.261991][ T1167] __sys_sendmsg+0xcd/0x170 [ 4229.261991][ T1167] do_syscall_64+0xc6/0x1e0 [ 4229.261991][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4229.261991][ T1167] [ 4229.264225][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4229.264225][ T1167] netdev_get_by_index+0x5e/0x80 [ 4229.264225][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4229.264225][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4229.264225][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4229.264225][ T1167] ipv6_add_addr+0x411/0x2000 [ 4229.264225][ T1167] inet6_addr_add+0x30e/0xa40 [ 4229.264225][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4229.264225][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4229.264225][ T1167] netlink_rcv_skb+0x130/0x360 [ 4229.264225][ T1167] netlink_unicast+0x449/0x710 [ 4229.264225][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4229.264225][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4229.264225][ T1167] ___sys_sendmsg+0xee/0x170 [ 4229.264225][ T1167] __sys_sendmsg+0xcd/0x170 [ 4229.264225][ T1167] do_syscall_64+0xc6/0x1e0 [ 4229.264225][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4229.264225][ T1167] [ 4229.266460][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4229.266460][ T1167] netdev_get_by_index+0x5e/0x80 [ 4229.266460][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4229.266460][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4229.266460][ T1167] ip6_route_add+0x1c/0x140 [ 4229.266460][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4229.266460][ T1167] addrconf_add_dev+0xe2/0x170 [ 4229.266460][ T1167] inet6_addr_add+0x12f/0xa40 [ 4229.266460][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4229.266460][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4229.266460][ T1167] netlink_rcv_skb+0x130/0x360 [ 4229.266460][ T1167] netlink_unicast+0x449/0x710 [ 4229.266460][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4229.266460][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4229.266460][ T1167] ___sys_sendmsg+0xee/0x170 [ 4229.266460][ T1167] __sys_sendmsg+0xcd/0x170 [ 4229.266460][ T1167] do_syscall_64+0xc6/0x1e0 [ 4229.266460][ T1167] [ 4229.268673][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4229.268673][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4229.268673][ T1167] ipv6_find_idev+0x102/0x170 [ 4229.268673][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4229.268673][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4229.268673][ T1167] netlink_rcv_skb+0x130/0x360 [ 4229.268673][ T1167] netlink_unicast+0x449/0x710 [ 4229.268673][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4229.268673][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4229.268673][ T1167] ___sys_sendmsg+0xee/0x170 [ 4229.268673][ T1167] __sys_sendmsg+0xcd/0x170 [ 4229.268673][ T1167] do_syscall_64+0xc6/0x1e0 [ 4229.268673][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4229.268673][ T1167] [ 4229.270389][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4229.270389][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4229.270389][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4229.270389][ T1167] ipv6_find_idev+0x102/0x170 [ 4229.270389][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4229.270389][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4229.270389][ T1167] netlink_rcv_skb+0x130/0x360 [ 4229.270389][ T1167] netlink_unicast+0x449/0x710 [ 4229.270389][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4229.270389][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4229.270389][ T1167] ___sys_sendmsg+0xee/0x170 [ 4229.270389][ T1167] __sys_sendmsg+0xcd/0x170 [ 4229.270389][ T1167] do_syscall_64+0xc6/0x1e0 [ 4229.270389][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4229.270389][ T1167] [ 4233.489132][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4233.489566][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4233.489566][ T10] netdev_get_by_index+0x5e/0x80 [ 4233.489566][ T10] fib6_nh_init+0x3d8/0x1580 [ 4233.489566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4233.489566][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4233.489566][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4233.489566][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4233.489566][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4233.489566][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4233.489566][ T10] addrconf_dad_begin+0x310/0x670 [ 4233.489566][ T10] addrconf_dad_work+0x10b/0xab0 [ 4233.489566][ T10] process_one_work+0x84d/0x18a0 [ 4233.489566][ T10] worker_thread+0x587/0xd30 [ 4233.489566][ T10] kthread+0x28a/0x350 [ 4233.489566][ T10] ret_from_fork+0x31/0x70 [ 4233.489566][ T10] ret_from_fork_asm+0x1a/0x30 [ 4233.489566][ T10] [ 4233.491516][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4233.491516][ T10] netdev_get_by_index+0x5e/0x80 [ 4233.491516][ T10] fib6_nh_init+0x3d8/0x1580 [ 4233.491516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4233.491516][ T10] ip6_route_add+0x1c/0x140 [ 4233.491516][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4233.491516][ T10] inet6_addr_add+0x4f8/0xa40 [ 4233.491516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4233.491516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.491516][ T10] netlink_rcv_skb+0x130/0x360 [ 4233.491516][ T10] netlink_unicast+0x449/0x710 [ 4233.491516][ T10] netlink_sendmsg+0x723/0xbe0 [ 4233.491516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4233.491516][ T10] ___sys_sendmsg+0xee/0x170 [ 4233.491516][ T10] __sys_sendmsg+0xcd/0x170 [ 4233.491516][ T10] do_syscall_64+0xc6/0x1e0 [ 4233.491516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4233.491516][ T10] [ 4233.493533][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4233.493533][ T10] netdev_get_by_index+0x5e/0x80 [ 4233.493533][ T10] fib6_nh_init+0x3d8/0x1580 [ 4233.493533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4233.493533][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4233.493533][ T10] ipv6_add_addr+0x411/0x2000 [ 4233.493533][ T10] inet6_addr_add+0x30e/0xa40 [ 4233.493533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4233.493533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.493533][ T10] netlink_rcv_skb+0x130/0x360 [ 4233.493533][ T10] netlink_unicast+0x449/0x710 [ 4233.493533][ T10] netlink_sendmsg+0x723/0xbe0 [ 4233.493533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4233.493533][ T10] ___sys_sendmsg+0xee/0x170 [ 4233.493533][ T10] __sys_sendmsg+0xcd/0x170 [ 4233.493533][ T10] do_syscall_64+0xc6/0x1e0 [ 4233.493533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4233.493533][ T10] [ 4233.495560][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4233.495560][ T10] netdev_get_by_index+0x5e/0x80 [ 4233.495560][ T10] fib6_nh_init+0x3d8/0x1580 [ 4233.495560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4233.495560][ T10] ip6_route_add+0x1c/0x140 [ 4233.495560][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4233.495560][ T10] addrconf_add_dev+0xe2/0x170 [ 4233.495560][ T10] inet6_addr_add+0x12f/0xa40 [ 4233.495560][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4233.495560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.495560][ T10] netlink_rcv_skb+0x130/0x360 [ 4233.495560][ T10] netlink_unicast+0x449/0x710 [ 4233.495560][ T10] netlink_sendmsg+0x723/0xbe0 [ 4233.495560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4233.495560][ T10] ___sys_sendmsg+0xee/0x170 [ 4233.495560][ T10] __sys_sendmsg+0xcd/0x170 [ 4233.495560][ T10] do_syscall_64+0xc6/0x1e0 [ 4233.495560][ T10] [ 4233.497535][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4233.497535][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4233.497535][ T10] ipv6_find_idev+0x102/0x170 [ 4233.497535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4233.497535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.497535][ T10] netlink_rcv_skb+0x130/0x360 [ 4233.497535][ T10] netlink_unicast+0x449/0x710 [ 4233.497535][ T10] netlink_sendmsg+0x723/0xbe0 [ 4233.497535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4233.497535][ T10] ___sys_sendmsg+0xee/0x170 [ 4233.497535][ T10] __sys_sendmsg+0xcd/0x170 [ 4233.497535][ T10] do_syscall_64+0xc6/0x1e0 [ 4233.497535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4233.497535][ T10] [ 4233.499101][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4233.499101][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4233.499101][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4233.499101][ T10] ipv6_find_idev+0x102/0x170 [ 4233.499101][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4233.499101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.499101][ T10] netlink_rcv_skb+0x130/0x360 [ 4233.499101][ T10] netlink_unicast+0x449/0x710 [ 4233.499101][ T10] netlink_sendmsg+0x723/0xbe0 [ 4233.499101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4233.499101][ T10] ___sys_sendmsg+0xee/0x170 [ 4233.499101][ T10] __sys_sendmsg+0xcd/0x170 [ 4233.499101][ T10] do_syscall_64+0xc6/0x1e0 [ 4233.499101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4233.499101][ T10] [ 4233.500814][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4233.501075][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4233.501075][ T10] netdev_get_by_index+0x5e/0x80 [ 4233.501075][ T10] fib6_nh_init+0x3d8/0x1580 [ 4233.501075][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4233.501075][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4233.501075][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4233.501075][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4233.501075][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4233.501075][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4233.501075][ T10] addrconf_dad_begin+0x310/0x670 [ 4233.501075][ T10] addrconf_dad_work+0x10b/0xab0 [ 4233.501075][ T10] process_one_work+0x84d/0x18a0 [ 4233.501075][ T10] worker_thread+0x587/0xd30 [ 4233.501075][ T10] kthread+0x28a/0x350 [ 4233.501075][ T10] ret_from_fork+0x31/0x70 [ 4233.501075][ T10] ret_from_fork_asm+0x1a/0x30 [ 4233.501075][ T10] [ 4233.502996][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4233.502996][ T10] netdev_get_by_index+0x5e/0x80 [ 4233.502996][ T10] fib6_nh_init+0x3d8/0x1580 [ 4233.502996][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4233.502996][ T10] ip6_route_add+0x1c/0x140 [ 4233.502996][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4233.502996][ T10] inet6_addr_add+0x4f8/0xa40 [ 4233.502996][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4233.502996][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.502996][ T10] netlink_rcv_skb+0x130/0x360 [ 4233.502996][ T10] netlink_unicast+0x449/0x710 [ 4233.502996][ T10] netlink_sendmsg+0x723/0xbe0 [ 4233.502996][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4233.502996][ T10] ___sys_sendmsg+0xee/0x170 [ 4233.502996][ T10] __sys_sendmsg+0xcd/0x170 [ 4233.502996][ T10] do_syscall_64+0xc6/0x1e0 [ 4233.502996][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4233.502996][ T10] [ 4233.505011][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4233.505011][ T10] netdev_get_by_index+0x5e/0x80 [ 4233.505011][ T10] fib6_nh_init+0x3d8/0x1580 [ 4233.505011][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4233.505011][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4233.505011][ T10] ipv6_add_addr+0x411/0x2000 [ 4233.505011][ T10] inet6_addr_add+0x30e/0xa40 [ 4233.505011][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4233.505011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.505011][ T10] netlink_rcv_skb+0x130/0x360 [ 4233.505011][ T10] netlink_unicast+0x449/0x710 [ 4233.505011][ T10] netlink_sendmsg+0x723/0xbe0 [ 4233.505011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4233.505011][ T10] ___sys_sendmsg+0xee/0x170 [ 4233.505011][ T10] __sys_sendmsg+0xcd/0x170 [ 4233.505011][ T10] do_syscall_64+0xc6/0x1e0 [ 4233.505011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4233.505011][ T10] [ 4233.507042][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4233.507042][ T10] netdev_get_by_index+0x5e/0x80 [ 4233.507042][ T10] fib6_nh_init+0x3d8/0x1580 [ 4233.507042][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4233.507042][ T10] ip6_route_add+0x1c/0x140 [ 4233.507042][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4233.507042][ T10] addrconf_add_dev+0xe2/0x170 [ 4233.507042][ T10] inet6_addr_add+0x12f/0xa40 [ 4233.507042][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4233.507042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.507042][ T10] netlink_rcv_skb+0x130/0x360 [ 4233.507042][ T10] netlink_unicast+0x449/0x710 [ 4233.507042][ T10] netlink_sendmsg+0x723/0xbe0 [ 4233.507042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4233.507042][ T10] ___sys_sendmsg+0xee/0x170 [ 4233.507042][ T10] __sys_sendmsg+0xcd/0x170 [ 4233.507042][ T10] do_syscall_64+0xc6/0x1e0 [ 4233.507042][ T10] [ 4233.509039][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4233.509039][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4233.509039][ T10] ipv6_find_idev+0x102/0x170 [ 4233.509039][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4233.509039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.509039][ T10] netlink_rcv_skb+0x130/0x360 [ 4233.509039][ T10] netlink_unicast+0x449/0x710 [ 4233.509039][ T10] netlink_sendmsg+0x723/0xbe0 [ 4233.509039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4233.509039][ T10] ___sys_sendmsg+0xee/0x170 [ 4233.509039][ T10] __sys_sendmsg+0xcd/0x170 [ 4233.509039][ T10] do_syscall_64+0xc6/0x1e0 [ 4233.509039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4233.509039][ T10] [ 4233.510590][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4233.510590][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4233.510590][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4233.510590][ T10] ipv6_find_idev+0x102/0x170 [ 4233.510590][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4233.510590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.510590][ T10] netlink_rcv_skb+0x130/0x360 [ 4233.510590][ T10] netlink_unicast+0x449/0x710 [ 4233.510590][ T10] netlink_sendmsg+0x723/0xbe0 [ 4233.510590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4233.510590][ T10] ___sys_sendmsg+0xee/0x170 [ 4233.510590][ T10] __sys_sendmsg+0xcd/0x170 [ 4233.510590][ T10] do_syscall_64+0xc6/0x1e0 [ 4233.510590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4233.510590][ T10] [ 4233.512296][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4233.512539][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4233.512539][ T10] netdev_get_by_index+0x5e/0x80 [ 4233.512539][ T10] fib6_nh_init+0x3d8/0x1580 [ 4233.512539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4233.512539][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4233.512539][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4233.512539][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4233.512539][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4233.512539][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4233.512539][ T10] addrconf_dad_begin+0x310/0x670 [ 4233.512539][ T10] addrconf_dad_work+0x10b/0xab0 [ 4233.512539][ T10] process_one_work+0x84d/0x18a0 [ 4233.512539][ T10] worker_thread+0x587/0xd30 [ 4233.512539][ T10] kthread+0x28a/0x350 [ 4233.512539][ T10] ret_from_fork+0x31/0x70 [ 4233.512539][ T10] ret_from_fork_asm+0x1a/0x30 [ 4233.512539][ T10] [ 4233.514475][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4233.514475][ T10] netdev_get_by_index+0x5e/0x80 [ 4233.514475][ T10] fib6_nh_init+0x3d8/0x1580 [ 4233.514475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4233.514475][ T10] ip6_route_add+0x1c/0x140 [ 4233.514475][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4233.514475][ T10] inet6_addr_add+0x4f8/0xa40 [ 4233.514475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4233.514475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.514475][ T10] netlink_rcv_skb+0x130/0x360 [ 4233.514475][ T10] netlink_unicast+0x449/0x710 [ 4233.514475][ T10] netlink_sendmsg+0x723/0xbe0 [ 4233.514475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4233.514475][ T10] ___sys_sendmsg+0xee/0x170 [ 4233.514475][ T10] __sys_sendmsg+0xcd/0x170 [ 4233.514475][ T10] do_syscall_64+0xc6/0x1e0 [ 4233.514475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4233.514475][ T10] [ 4233.516674][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4233.516674][ T10] netdev_get_by_index+0x5e/0x80 [ 4233.516674][ T10] fib6_nh_init+0x3d8/0x1580 [ 4233.516674][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4233.516674][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4233.516674][ T10] ipv6_add_addr+0x411/0x2000 [ 4233.516674][ T10] inet6_addr_add+0x30e/0xa40 [ 4233.516674][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4233.516674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.516674][ T10] netlink_rcv_skb+0x130/0x360 [ 4233.516674][ T10] netlink_unicast+0x449/0x710 [ 4233.516674][ T10] netlink_sendmsg+0x723/0xbe0 [ 4233.516674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4233.516674][ T10] ___sys_sendmsg+0xee/0x170 [ 4233.516674][ T10] __sys_sendmsg+0xcd/0x170 [ 4233.516674][ T10] do_syscall_64+0xc6/0x1e0 [ 4233.516674][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4233.516674][ T10] [ 4233.519002][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4233.519002][ T10] netdev_get_by_index+0x5e/0x80 [ 4233.519002][ T10] fib6_nh_init+0x3d8/0x1580 [ 4233.519002][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4233.519002][ T10] ip6_route_add+0x1c/0x140 [ 4233.519002][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4233.519002][ T10] addrconf_add_dev+0xe2/0x170 [ 4233.519002][ T10] inet6_addr_add+0x12f/0xa40 [ 4233.519002][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4233.519002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.519002][ T10] netlink_rcv_skb+0x130/0x360 [ 4233.519002][ T10] netlink_unicast+0x449/0x710 [ 4233.519002][ T10] netlink_sendmsg+0x723/0xbe0 [ 4233.519002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4233.519002][ T10] ___sys_sendmsg+0xee/0x170 [ 4233.519002][ T10] __sys_sendmsg+0xcd/0x170 [ 4233.519002][ T10] do_syscall_64+0xc6/0x1e0 [ 4233.519002][ T10] [ 4233.521228][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4233.521228][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4233.521228][ T10] ipv6_find_idev+0x102/0x170 [ 4233.521228][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4233.521228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.521228][ T10] netlink_rcv_skb+0x130/0x360 [ 4233.521228][ T10] netlink_unicast+0x449/0x710 [ 4233.521228][ T10] netlink_sendmsg+0x723/0xbe0 [ 4233.521228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4233.521228][ T10] ___sys_sendmsg+0xee/0x170 [ 4233.521228][ T10] __sys_sendmsg+0xcd/0x170 [ 4233.521228][ T10] do_syscall_64+0xc6/0x1e0 [ 4233.521228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4233.521228][ T10] [ 4233.522966][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4233.522966][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4233.522966][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4233.522966][ T10] ipv6_find_idev+0x102/0x170 [ 4233.522966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4233.522966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.522966][ T10] netlink_rcv_skb+0x130/0x360 [ 4233.522966][ T10] netlink_unicast+0x449/0x710 [ 4233.522966][ T10] netlink_sendmsg+0x723/0xbe0 [ 4233.522966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4233.522966][ T10] ___sys_sendmsg+0xee/0x170 [ 4233.522966][ T10] __sys_sendmsg+0xcd/0x170 [ 4233.522966][ T10] do_syscall_64+0xc6/0x1e0 [ 4233.522966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4233.522966][ T10] [ 4233.524853][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4233.525540][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4233.525540][ T10] netdev_get_by_index+0x5e/0x80 [ 4233.525540][ T10] fib6_nh_init+0x3d8/0x1580 [ 4233.525540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4233.525540][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4233.525540][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4233.525540][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4233.525540][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4233.525540][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4233.525540][ T10] addrconf_dad_begin+0x310/0x670 [ 4233.525540][ T10] addrconf_dad_work+0x10b/0xab0 [ 4233.525540][ T10] process_one_work+0x84d/0x18a0 [ 4233.525540][ T10] worker_thread+0x587/0xd30 [ 4233.525540][ T10] kthread+0x28a/0x350 [ 4233.525540][ T10] ret_from_fork+0x31/0x70 [ 4233.525540][ T10] ret_from_fork_asm+0x1a/0x30 [ 4233.525540][ T10] [ 4233.527483][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4233.527483][ T10] netdev_get_by_index+0x5e/0x80 [ 4233.527483][ T10] fib6_nh_init+0x3d8/0x1580 [ 4233.527483][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4233.527483][ T10] ip6_route_add+0x1c/0x140 [ 4233.527483][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4233.527483][ T10] inet6_addr_add+0x4f8/0xa40 [ 4233.527483][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4233.527483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.527483][ T10] netlink_rcv_skb+0x130/0x360 [ 4233.527483][ T10] netlink_unicast+0x449/0x710 [ 4233.527483][ T10] netlink_sendmsg+0x723/0xbe0 [ 4233.527483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4233.527483][ T10] ___sys_sendmsg+0xee/0x170 [ 4233.527483][ T10] __sys_sendmsg+0xcd/0x170 [ 4233.527483][ T10] do_syscall_64+0xc6/0x1e0 [ 4233.527483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4233.527483][ T10] [ 4233.529622][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4233.529622][ T10] netdev_get_by_index+0x5e/0x80 [ 4233.529622][ T10] fib6_nh_init+0x3d8/0x1580 [ 4233.529622][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4233.529622][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4233.529622][ T10] ipv6_add_addr+0x411/0x2000 [ 4233.529622][ T10] inet6_addr_add+0x30e/0xa40 [ 4233.529622][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4233.529622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.529622][ T10] netlink_rcv_skb+0x130/0x360 [ 4233.529622][ T10] netlink_unicast+0x449/0x710 [ 4233.529622][ T10] netlink_sendmsg+0x723/0xbe0 [ 4233.529622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4233.529622][ T10] ___sys_sendmsg+0xee/0x170 [ 4233.529622][ T10] __sys_sendmsg+0xcd/0x170 [ 4233.529622][ T10] do_syscall_64+0xc6/0x1e0 [ 4233.529622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4233.529622][ T10] [ 4233.531960][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4233.531960][ T10] netdev_get_by_index+0x5e/0x80 [ 4233.531960][ T10] fib6_nh_init+0x3d8/0x1580 [ 4233.531960][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4233.531960][ T10] ip6_route_add+0x1c/0x140 [ 4233.531960][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4233.531960][ T10] addrconf_add_dev+0xe2/0x170 [ 4233.531960][ T10] inet6_addr_add+0x12f/0xa40 [ 4233.531960][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4233.531960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.531960][ T10] netlink_rcv_skb+0x130/0x360 [ 4233.531960][ T10] netlink_unicast+0x449/0x710 [ 4233.531960][ T10] netlink_sendmsg+0x723/0xbe0 [ 4233.531960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4233.531960][ T10] ___sys_sendmsg+0xee/0x170 [ 4233.531960][ T10] __sys_sendmsg+0xcd/0x170 [ 4233.531960][ T10] do_syscall_64+0xc6/0x1e0 [ 4233.531960][ T10] [ 4233.534154][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4233.534154][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4233.534154][ T10] ipv6_find_idev+0x102/0x170 [ 4233.534154][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4233.534154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.534154][ T10] netlink_rcv_skb+0x130/0x360 [ 4233.534154][ T10] netlink_unicast+0x449/0x710 [ 4233.534154][ T10] netlink_sendmsg+0x723/0xbe0 [ 4233.534154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4233.534154][ T10] ___sys_sendmsg+0xee/0x170 [ 4233.534154][ T10] __sys_sendmsg+0xcd/0x170 [ 4233.534154][ T10] do_syscall_64+0xc6/0x1e0 [ 4233.534154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4233.534154][ T10] [ 4233.535890][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4233.535890][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4233.535890][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4233.535890][ T10] ipv6_find_idev+0x102/0x170 [ 4233.535890][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4233.535890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.535890][ T10] netlink_rcv_skb+0x130/0x360 [ 4233.535890][ T10] netlink_unicast+0x449/0x710 [ 4233.535890][ T10] netlink_sendmsg+0x723/0xbe0 [ 4233.535890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4233.535890][ T10] ___sys_sendmsg+0xee/0x170 [ 4233.535890][ T10] __sys_sendmsg+0xcd/0x170 [ 4233.535890][ T10] do_syscall_64+0xc6/0x1e0 [ 4233.535890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4233.535890][ T10] [ 4239.513135][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4239.513626][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4239.513626][ T1167] dst_init+0x84/0x4a0 [ 4239.513626][ T1167] dst_alloc+0x97/0x150 [ 4239.513626][ T1167] ip6_dst_alloc+0x23/0x90 [ 4239.513626][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4239.513626][ T1167] ip6_pol_route+0x56f/0x840 [ 4239.513626][ T1167] fib6_rule_lookup+0x334/0x630 [ 4239.513626][ T1167] ip6_route_output_flags+0x259/0x480 [ 4239.513626][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4239.513626][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4239.513626][ T1167] netlink_rcv_skb+0x130/0x360 [ 4239.513626][ T1167] netlink_unicast+0x449/0x710 [ 4239.513626][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4239.513626][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4239.513626][ T1167] ___sys_sendmsg+0xee/0x170 [ 4239.513626][ T1167] __sys_sendmsg+0xcd/0x170 [ 4239.513626][ T1167] do_syscall_64+0xc6/0x1e0 [ 4239.513626][ T1167] [ 4239.515880][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4239.515880][ T1167] netdev_get_by_index+0x5e/0x80 [ 4239.515880][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4239.515880][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4239.515880][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4239.515880][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4239.515880][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4239.515880][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4239.515880][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4239.515880][ T1167] addrconf_dad_begin+0x310/0x670 [ 4239.515880][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4239.515880][ T1167] process_one_work+0x84d/0x18a0 [ 4239.515880][ T1167] worker_thread+0x587/0xd30 [ 4239.515880][ T1167] kthread+0x28a/0x350 [ 4239.515880][ T1167] ret_from_fork+0x31/0x70 [ 4239.515880][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4239.515880][ T1167] [ 4239.518080][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4239.518080][ T1167] netdev_get_by_index+0x5e/0x80 [ 4239.518080][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4239.518080][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4239.518080][ T1167] ip6_route_add+0x1c/0x140 [ 4239.518080][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4239.518080][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4239.518080][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4239.518080][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4239.518080][ T1167] netlink_rcv_skb+0x130/0x360 [ 4239.518080][ T1167] netlink_unicast+0x449/0x710 [ 4239.518080][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4239.518080][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4239.518080][ T1167] ___sys_sendmsg+0xee/0x170 [ 4239.518080][ T1167] __sys_sendmsg+0xcd/0x170 [ 4239.518080][ T1167] do_syscall_64+0xc6/0x1e0 [ 4239.518080][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4239.518080][ T1167] [ 4239.520352][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4239.520352][ T1167] netdev_get_by_index+0x5e/0x80 [ 4239.520352][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4239.520352][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4239.520352][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4239.520352][ T1167] ipv6_add_addr+0x411/0x2000 [ 4239.520352][ T1167] inet6_addr_add+0x30e/0xa40 [ 4239.520352][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4239.520352][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4239.520352][ T1167] netlink_rcv_skb+0x130/0x360 [ 4239.520352][ T1167] netlink_unicast+0x449/0x710 [ 4239.520352][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4239.520352][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4239.520352][ T1167] ___sys_sendmsg+0xee/0x170 [ 4239.520352][ T1167] __sys_sendmsg+0xcd/0x170 [ 4239.520352][ T1167] do_syscall_64+0xc6/0x1e0 [ 4239.520352][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4239.520352][ T1167] [ 4239.522627][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4239.522627][ T1167] netdev_get_by_index+0x5e/0x80 [ 4239.522627][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4239.522627][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4239.522627][ T1167] ip6_route_add+0x1c/0x140 [ 4239.522627][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4239.522627][ T1167] addrconf_add_dev+0xe2/0x170 [ 4239.522627][ T1167] inet6_addr_add+0x12f/0xa40 [ 4239.522627][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4239.522627][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4239.522627][ T1167] netlink_rcv_skb+0x130/0x360 [ 4239.522627][ T1167] netlink_unicast+0x449/0x710 [ 4239.522627][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4239.522627][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4239.522627][ T1167] ___sys_sendmsg+0xee/0x170 [ 4239.522627][ T1167] __sys_sendmsg+0xcd/0x170 [ 4239.522627][ T1167] do_syscall_64+0xc6/0x1e0 [ 4239.522627][ T1167] [ 4239.524865][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4239.524865][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4239.524865][ T1167] ipv6_find_idev+0x102/0x170 [ 4239.524865][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4239.524865][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4239.524865][ T1167] netlink_rcv_skb+0x130/0x360 [ 4239.524865][ T1167] netlink_unicast+0x449/0x710 [ 4239.524865][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4239.524865][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4239.524865][ T1167] ___sys_sendmsg+0xee/0x170 [ 4239.524865][ T1167] __sys_sendmsg+0xcd/0x170 [ 4239.524865][ T1167] do_syscall_64+0xc6/0x1e0 [ 4239.524865][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4239.524865][ T1167] [ 4239.526618][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4239.526618][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4239.526618][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4239.526618][ T1167] ipv6_find_idev+0x102/0x170 [ 4239.526618][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4239.526618][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4239.526618][ T1167] netlink_rcv_skb+0x130/0x360 [ 4239.526618][ T1167] netlink_unicast+0x449/0x710 [ 4239.526618][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4239.526618][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4239.526618][ T1167] ___sys_sendmsg+0xee/0x170 [ 4239.526618][ T1167] __sys_sendmsg+0xcd/0x170 [ 4239.526618][ T1167] do_syscall_64+0xc6/0x1e0 [ 4239.526618][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4239.526618][ T1167] [ 4243.777131][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4243.777561][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4243.777561][ T10] netdev_get_by_index+0x5e/0x80 [ 4243.777561][ T10] fib6_nh_init+0x3d8/0x1580 [ 4243.777561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4243.777561][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4243.777561][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4243.777561][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4243.777561][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4243.777561][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4243.777561][ T10] addrconf_dad_begin+0x310/0x670 [ 4243.777561][ T10] addrconf_dad_work+0x10b/0xab0 [ 4243.777561][ T10] process_one_work+0x84d/0x18a0 [ 4243.777561][ T10] worker_thread+0x587/0xd30 [ 4243.777561][ T10] kthread+0x28a/0x350 [ 4243.777561][ T10] ret_from_fork+0x31/0x70 [ 4243.777561][ T10] ret_from_fork_asm+0x1a/0x30 [ 4243.777561][ T10] [ 4243.779625][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4243.779625][ T10] netdev_get_by_index+0x5e/0x80 [ 4243.779625][ T10] fib6_nh_init+0x3d8/0x1580 [ 4243.779625][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4243.779625][ T10] ip6_route_add+0x1c/0x140 [ 4243.779625][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4243.779625][ T10] inet6_addr_add+0x4f8/0xa40 [ 4243.779625][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4243.779625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.779625][ T10] netlink_rcv_skb+0x130/0x360 [ 4243.779625][ T10] netlink_unicast+0x449/0x710 [ 4243.779625][ T10] netlink_sendmsg+0x723/0xbe0 [ 4243.779625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4243.779625][ T10] ___sys_sendmsg+0xee/0x170 [ 4243.779625][ T10] __sys_sendmsg+0xcd/0x170 [ 4243.779625][ T10] do_syscall_64+0xc6/0x1e0 [ 4243.779625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4243.779625][ T10] [ 4243.781630][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4243.781630][ T10] netdev_get_by_index+0x5e/0x80 [ 4243.781630][ T10] fib6_nh_init+0x3d8/0x1580 [ 4243.781630][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4243.781630][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4243.781630][ T10] ipv6_add_addr+0x411/0x2000 [ 4243.781630][ T10] inet6_addr_add+0x30e/0xa40 [ 4243.781630][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4243.781630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.781630][ T10] netlink_rcv_skb+0x130/0x360 [ 4243.781630][ T10] netlink_unicast+0x449/0x710 [ 4243.781630][ T10] netlink_sendmsg+0x723/0xbe0 [ 4243.781630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4243.781630][ T10] ___sys_sendmsg+0xee/0x170 [ 4243.781630][ T10] __sys_sendmsg+0xcd/0x170 [ 4243.781630][ T10] do_syscall_64+0xc6/0x1e0 [ 4243.781630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4243.781630][ T10] [ 4243.783618][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4243.783618][ T10] netdev_get_by_index+0x5e/0x80 [ 4243.783618][ T10] fib6_nh_init+0x3d8/0x1580 [ 4243.783618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4243.783618][ T10] ip6_route_add+0x1c/0x140 [ 4243.783618][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4243.783618][ T10] addrconf_add_dev+0xe2/0x170 [ 4243.783618][ T10] inet6_addr_add+0x12f/0xa40 [ 4243.783618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4243.783618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.783618][ T10] netlink_rcv_skb+0x130/0x360 [ 4243.783618][ T10] netlink_unicast+0x449/0x710 [ 4243.783618][ T10] netlink_sendmsg+0x723/0xbe0 [ 4243.783618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4243.783618][ T10] ___sys_sendmsg+0xee/0x170 [ 4243.783618][ T10] __sys_sendmsg+0xcd/0x170 [ 4243.783618][ T10] do_syscall_64+0xc6/0x1e0 [ 4243.783618][ T10] [ 4243.785569][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4243.785569][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4243.785569][ T10] ipv6_find_idev+0x102/0x170 [ 4243.785569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4243.785569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.785569][ T10] netlink_rcv_skb+0x130/0x360 [ 4243.785569][ T10] netlink_unicast+0x449/0x710 [ 4243.785569][ T10] netlink_sendmsg+0x723/0xbe0 [ 4243.785569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4243.785569][ T10] ___sys_sendmsg+0xee/0x170 [ 4243.785569][ T10] __sys_sendmsg+0xcd/0x170 [ 4243.785569][ T10] do_syscall_64+0xc6/0x1e0 [ 4243.785569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4243.785569][ T10] [ 4243.787107][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4243.787107][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4243.787107][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4243.787107][ T10] ipv6_find_idev+0x102/0x170 [ 4243.787107][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4243.787107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.787107][ T10] netlink_rcv_skb+0x130/0x360 [ 4243.787107][ T10] netlink_unicast+0x449/0x710 [ 4243.787107][ T10] netlink_sendmsg+0x723/0xbe0 [ 4243.787107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4243.787107][ T10] ___sys_sendmsg+0xee/0x170 [ 4243.787107][ T10] __sys_sendmsg+0xcd/0x170 [ 4243.787107][ T10] do_syscall_64+0xc6/0x1e0 [ 4243.787107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4243.787107][ T10] [ 4243.788823][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4243.789085][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4243.789085][ T10] netdev_get_by_index+0x5e/0x80 [ 4243.789085][ T10] fib6_nh_init+0x3d8/0x1580 [ 4243.789085][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4243.789085][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4243.789085][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4243.789085][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4243.789085][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4243.789085][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4243.789085][ T10] addrconf_dad_begin+0x310/0x670 [ 4243.789085][ T10] addrconf_dad_work+0x10b/0xab0 [ 4243.789085][ T10] process_one_work+0x84d/0x18a0 [ 4243.789085][ T10] worker_thread+0x587/0xd30 [ 4243.789085][ T10] kthread+0x28a/0x350 [ 4243.789085][ T10] ret_from_fork+0x31/0x70 [ 4243.789085][ T10] ret_from_fork_asm+0x1a/0x30 [ 4243.789085][ T10] [ 4243.790985][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4243.790985][ T10] netdev_get_by_index+0x5e/0x80 [ 4243.790985][ T10] fib6_nh_init+0x3d8/0x1580 [ 4243.790985][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4243.790985][ T10] ip6_route_add+0x1c/0x140 [ 4243.790985][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4243.790985][ T10] inet6_addr_add+0x4f8/0xa40 [ 4243.790985][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4243.790985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.790985][ T10] netlink_rcv_skb+0x130/0x360 [ 4243.790985][ T10] netlink_unicast+0x449/0x710 [ 4243.790985][ T10] netlink_sendmsg+0x723/0xbe0 [ 4243.790985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4243.790985][ T10] ___sys_sendmsg+0xee/0x170 [ 4243.790985][ T10] __sys_sendmsg+0xcd/0x170 [ 4243.790985][ T10] do_syscall_64+0xc6/0x1e0 [ 4243.790985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4243.790985][ T10] [ 4243.792975][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4243.792975][ T10] netdev_get_by_index+0x5e/0x80 [ 4243.792975][ T10] fib6_nh_init+0x3d8/0x1580 [ 4243.792975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4243.792975][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4243.792975][ T10] ipv6_add_addr+0x411/0x2000 [ 4243.792975][ T10] inet6_addr_add+0x30e/0xa40 [ 4243.792975][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4243.792975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.792975][ T10] netlink_rcv_skb+0x130/0x360 [ 4243.792975][ T10] netlink_unicast+0x449/0x710 [ 4243.792975][ T10] netlink_sendmsg+0x723/0xbe0 [ 4243.792975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4243.792975][ T10] ___sys_sendmsg+0xee/0x170 [ 4243.792975][ T10] __sys_sendmsg+0xcd/0x170 [ 4243.792975][ T10] do_syscall_64+0xc6/0x1e0 [ 4243.792975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4243.792975][ T10] [ 4243.794979][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4243.794979][ T10] netdev_get_by_index+0x5e/0x80 [ 4243.794979][ T10] fib6_nh_init+0x3d8/0x1580 [ 4243.794979][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4243.794979][ T10] ip6_route_add+0x1c/0x140 [ 4243.794979][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4243.794979][ T10] addrconf_add_dev+0xe2/0x170 [ 4243.794979][ T10] inet6_addr_add+0x12f/0xa40 [ 4243.794979][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4243.794979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.794979][ T10] netlink_rcv_skb+0x130/0x360 [ 4243.794979][ T10] netlink_unicast+0x449/0x710 [ 4243.794979][ T10] netlink_sendmsg+0x723/0xbe0 [ 4243.794979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4243.794979][ T10] ___sys_sendmsg+0xee/0x170 [ 4243.794979][ T10] __sys_sendmsg+0xcd/0x170 [ 4243.794979][ T10] do_syscall_64+0xc6/0x1e0 [ 4243.794979][ T10] [ 4243.796939][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4243.796939][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4243.796939][ T10] ipv6_find_idev+0x102/0x170 [ 4243.796939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4243.796939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.796939][ T10] netlink_rcv_skb+0x130/0x360 [ 4243.796939][ T10] netlink_unicast+0x449/0x710 [ 4243.796939][ T10] netlink_sendmsg+0x723/0xbe0 [ 4243.796939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4243.796939][ T10] ___sys_sendmsg+0xee/0x170 [ 4243.796939][ T10] __sys_sendmsg+0xcd/0x170 [ 4243.796939][ T10] do_syscall_64+0xc6/0x1e0 [ 4243.796939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4243.796939][ T10] [ 4243.798473][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4243.798473][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4243.798473][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4243.798473][ T10] ipv6_find_idev+0x102/0x170 [ 4243.798473][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4243.798473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.798473][ T10] netlink_rcv_skb+0x130/0x360 [ 4243.798473][ T10] netlink_unicast+0x449/0x710 [ 4243.798473][ T10] netlink_sendmsg+0x723/0xbe0 [ 4243.798473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4243.798473][ T10] ___sys_sendmsg+0xee/0x170 [ 4243.798473][ T10] __sys_sendmsg+0xcd/0x170 [ 4243.798473][ T10] do_syscall_64+0xc6/0x1e0 [ 4243.798473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4243.798473][ T10] [ 4243.800147][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4243.800385][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4243.800385][ T10] netdev_get_by_index+0x5e/0x80 [ 4243.800385][ T10] fib6_nh_init+0x3d8/0x1580 [ 4243.800385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4243.800385][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4243.800385][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4243.800385][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4243.800385][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4243.800385][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4243.800385][ T10] addrconf_dad_begin+0x310/0x670 [ 4243.800385][ T10] addrconf_dad_work+0x10b/0xab0 [ 4243.800385][ T10] process_one_work+0x84d/0x18a0 [ 4243.800385][ T10] worker_thread+0x587/0xd30 [ 4243.800385][ T10] kthread+0x28a/0x350 [ 4243.800385][ T10] ret_from_fork+0x31/0x70 [ 4243.800385][ T10] ret_from_fork_asm+0x1a/0x30 [ 4243.800385][ T10] [ 4243.802308][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4243.802308][ T10] netdev_get_by_index+0x5e/0x80 [ 4243.802308][ T10] fib6_nh_init+0x3d8/0x1580 [ 4243.802308][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4243.802308][ T10] ip6_route_add+0x1c/0x140 [ 4243.802308][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4243.802308][ T10] inet6_addr_add+0x4f8/0xa40 [ 4243.802308][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4243.802308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.802308][ T10] netlink_rcv_skb+0x130/0x360 [ 4243.802308][ T10] netlink_unicast+0x449/0x710 [ 4243.802308][ T10] netlink_sendmsg+0x723/0xbe0 [ 4243.802308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4243.802308][ T10] ___sys_sendmsg+0xee/0x170 [ 4243.802308][ T10] __sys_sendmsg+0xcd/0x170 [ 4243.802308][ T10] do_syscall_64+0xc6/0x1e0 [ 4243.802308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4243.802308][ T10] [ 4243.804450][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4243.804450][ T10] netdev_get_by_index+0x5e/0x80 [ 4243.804450][ T10] fib6_nh_init+0x3d8/0x1580 [ 4243.804450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4243.804450][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4243.804450][ T10] ipv6_add_addr+0x411/0x2000 [ 4243.804450][ T10] inet6_addr_add+0x30e/0xa40 [ 4243.804450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4243.804450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.804450][ T10] netlink_rcv_skb+0x130/0x360 [ 4243.804450][ T10] netlink_unicast+0x449/0x710 [ 4243.804450][ T10] netlink_sendmsg+0x723/0xbe0 [ 4243.804450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4243.804450][ T10] ___sys_sendmsg+0xee/0x170 [ 4243.804450][ T10] __sys_sendmsg+0xcd/0x170 [ 4243.804450][ T10] do_syscall_64+0xc6/0x1e0 [ 4243.804450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4243.804450][ T10] [ 4243.806582][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4243.806582][ T10] netdev_get_by_index+0x5e/0x80 [ 4243.806582][ T10] fib6_nh_init+0x3d8/0x1580 [ 4243.806582][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4243.806582][ T10] ip6_route_add+0x1c/0x140 [ 4243.806582][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4243.806582][ T10] addrconf_add_dev+0xe2/0x170 [ 4243.806582][ T10] inet6_addr_add+0x12f/0xa40 [ 4243.806582][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4243.806582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.806582][ T10] netlink_rcv_skb+0x130/0x360 [ 4243.806582][ T10] netlink_unicast+0x449/0x710 [ 4243.806582][ T10] netlink_sendmsg+0x723/0xbe0 [ 4243.806582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4243.806582][ T10] ___sys_sendmsg+0xee/0x170 [ 4243.806582][ T10] __sys_sendmsg+0xcd/0x170 [ 4243.806582][ T10] do_syscall_64+0xc6/0x1e0 [ 4243.806582][ T10] [ 4243.808686][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4243.808686][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4243.808686][ T10] ipv6_find_idev+0x102/0x170 [ 4243.808686][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4243.808686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.808686][ T10] netlink_rcv_skb+0x130/0x360 [ 4243.808686][ T10] netlink_unicast+0x449/0x710 [ 4243.808686][ T10] netlink_sendmsg+0x723/0xbe0 [ 4243.808686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4243.808686][ T10] ___sys_sendmsg+0xee/0x170 [ 4243.808686][ T10] __sys_sendmsg+0xcd/0x170 [ 4243.808686][ T10] do_syscall_64+0xc6/0x1e0 [ 4243.808686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4243.808686][ T10] [ 4243.810298][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4243.810298][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4243.810298][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4243.810298][ T10] ipv6_find_idev+0x102/0x170 [ 4243.810298][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4243.810298][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.810298][ T10] netlink_rcv_skb+0x130/0x360 [ 4243.810298][ T10] netlink_unicast+0x449/0x710 [ 4243.810298][ T10] netlink_sendmsg+0x723/0xbe0 [ 4243.810298][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4243.810298][ T10] ___sys_sendmsg+0xee/0x170 [ 4243.810298][ T10] __sys_sendmsg+0xcd/0x170 [ 4243.810298][ T10] do_syscall_64+0xc6/0x1e0 [ 4243.810298][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4243.810298][ T10] [ 4243.812108][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4243.812340][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4243.812340][ T10] netdev_get_by_index+0x5e/0x80 [ 4243.812340][ T10] fib6_nh_init+0x3d8/0x1580 [ 4243.812340][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4243.812340][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4243.812340][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4243.812340][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4243.812340][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4243.812340][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4243.812340][ T10] addrconf_dad_begin+0x310/0x670 [ 4243.812340][ T10] addrconf_dad_work+0x10b/0xab0 [ 4243.812340][ T10] process_one_work+0x84d/0x18a0 [ 4243.812340][ T10] worker_thread+0x587/0xd30 [ 4243.812340][ T10] kthread+0x28a/0x350 [ 4243.812340][ T10] ret_from_fork+0x31/0x70 [ 4243.812340][ T10] ret_from_fork_asm+0x1a/0x30 [ 4243.812340][ T10] [ 4243.814392][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4243.814392][ T10] netdev_get_by_index+0x5e/0x80 [ 4243.814392][ T10] fib6_nh_init+0x3d8/0x1580 [ 4243.814392][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4243.814392][ T10] ip6_route_add+0x1c/0x140 [ 4243.814392][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4243.814392][ T10] inet6_addr_add+0x4f8/0xa40 [ 4243.814392][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4243.814392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.814392][ T10] netlink_rcv_skb+0x130/0x360 [ 4243.814392][ T10] netlink_unicast+0x449/0x710 [ 4243.814392][ T10] netlink_sendmsg+0x723/0xbe0 [ 4243.814392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4243.814392][ T10] ___sys_sendmsg+0xee/0x170 [ 4243.814392][ T10] __sys_sendmsg+0xcd/0x170 [ 4243.814392][ T10] do_syscall_64+0xc6/0x1e0 [ 4243.814392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4243.814392][ T10] [ 4243.816517][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4243.816517][ T10] netdev_get_by_index+0x5e/0x80 [ 4243.816517][ T10] fib6_nh_init+0x3d8/0x1580 [ 4243.816517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4243.816517][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4243.816517][ T10] ipv6_add_addr+0x411/0x2000 [ 4243.816517][ T10] inet6_addr_add+0x30e/0xa40 [ 4243.816517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4243.816517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.816517][ T10] netlink_rcv_skb+0x130/0x360 [ 4243.816517][ T10] netlink_unicast+0x449/0x710 [ 4243.816517][ T10] netlink_sendmsg+0x723/0xbe0 [ 4243.816517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4243.816517][ T10] ___sys_sendmsg+0xee/0x170 [ 4243.816517][ T10] __sys_sendmsg+0xcd/0x170 [ 4243.816517][ T10] do_syscall_64+0xc6/0x1e0 [ 4243.816517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4243.816517][ T10] [ 4243.818667][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4243.818667][ T10] netdev_get_by_index+0x5e/0x80 [ 4243.818667][ T10] fib6_nh_init+0x3d8/0x1580 [ 4243.818667][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4243.818667][ T10] ip6_route_add+0x1c/0x140 [ 4243.818667][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4243.818667][ T10] addrconf_add_dev+0xe2/0x170 [ 4243.818667][ T10] inet6_addr_add+0x12f/0xa40 [ 4243.818667][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4243.818667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.818667][ T10] netlink_rcv_skb+0x130/0x360 [ 4243.818667][ T10] netlink_unicast+0x449/0x710 [ 4243.818667][ T10] netlink_sendmsg+0x723/0xbe0 [ 4243.818667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4243.818667][ T10] ___sys_sendmsg+0xee/0x170 [ 4243.818667][ T10] __sys_sendmsg+0xcd/0x170 [ 4243.818667][ T10] do_syscall_64+0xc6/0x1e0 [ 4243.818667][ T10] [ 4243.820758][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4243.820758][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4243.820758][ T10] ipv6_find_idev+0x102/0x170 [ 4243.820758][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4243.820758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.820758][ T10] netlink_rcv_skb+0x130/0x360 [ 4243.820758][ T10] netlink_unicast+0x449/0x710 [ 4243.820758][ T10] netlink_sendmsg+0x723/0xbe0 [ 4243.820758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4243.820758][ T10] ___sys_sendmsg+0xee/0x170 [ 4243.820758][ T10] __sys_sendmsg+0xcd/0x170 [ 4243.820758][ T10] do_syscall_64+0xc6/0x1e0 [ 4243.820758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4243.820758][ T10] [ 4243.822359][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4243.822359][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4243.822359][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4243.822359][ T10] ipv6_find_idev+0x102/0x170 [ 4243.822359][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4243.822359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.822359][ T10] netlink_rcv_skb+0x130/0x360 [ 4243.822359][ T10] netlink_unicast+0x449/0x710 [ 4243.822359][ T10] netlink_sendmsg+0x723/0xbe0 [ 4243.822359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4243.822359][ T10] ___sys_sendmsg+0xee/0x170 [ 4243.822359][ T10] __sys_sendmsg+0xcd/0x170 [ 4243.822359][ T10] do_syscall_64+0xc6/0x1e0 [ 4243.822359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4243.822359][ T10] [ 4249.769106][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4249.769608][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4249.769608][ T1167] dst_init+0x84/0x4a0 [ 4249.769608][ T1167] dst_alloc+0x97/0x150 [ 4249.769608][ T1167] ip6_dst_alloc+0x23/0x90 [ 4249.769608][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4249.769608][ T1167] ip6_pol_route+0x56f/0x840 [ 4249.769608][ T1167] fib6_rule_lookup+0x334/0x630 [ 4249.769608][ T1167] ip6_route_output_flags+0x259/0x480 [ 4249.769608][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4249.769608][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4249.769608][ T1167] netlink_rcv_skb+0x130/0x360 [ 4249.769608][ T1167] netlink_unicast+0x449/0x710 [ 4249.769608][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4249.769608][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4249.769608][ T1167] ___sys_sendmsg+0xee/0x170 [ 4249.769608][ T1167] __sys_sendmsg+0xcd/0x170 [ 4249.769608][ T1167] do_syscall_64+0xc6/0x1e0 [ 4249.769608][ T1167] [ 4249.771865][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4249.771865][ T1167] netdev_get_by_index+0x5e/0x80 [ 4249.771865][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4249.771865][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4249.771865][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4249.771865][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4249.771865][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4249.771865][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4249.771865][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4249.771865][ T1167] addrconf_dad_begin+0x310/0x670 [ 4249.771865][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4249.771865][ T1167] process_one_work+0x84d/0x18a0 [ 4249.771865][ T1167] worker_thread+0x587/0xd30 [ 4249.771865][ T1167] kthread+0x28a/0x350 [ 4249.771865][ T1167] ret_from_fork+0x31/0x70 [ 4249.771865][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4249.771865][ T1167] [ 4249.774040][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4249.774040][ T1167] netdev_get_by_index+0x5e/0x80 [ 4249.774040][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4249.774040][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4249.774040][ T1167] ip6_route_add+0x1c/0x140 [ 4249.774040][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4249.774040][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4249.774040][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4249.774040][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4249.774040][ T1167] netlink_rcv_skb+0x130/0x360 [ 4249.774040][ T1167] netlink_unicast+0x449/0x710 [ 4249.774040][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4249.774040][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4249.774040][ T1167] ___sys_sendmsg+0xee/0x170 [ 4249.774040][ T1167] __sys_sendmsg+0xcd/0x170 [ 4249.774040][ T1167] do_syscall_64+0xc6/0x1e0 [ 4249.774040][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4249.774040][ T1167] [ 4249.776330][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4249.776330][ T1167] netdev_get_by_index+0x5e/0x80 [ 4249.776330][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4249.776330][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4249.776330][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4249.776330][ T1167] ipv6_add_addr+0x411/0x2000 [ 4249.776330][ T1167] inet6_addr_add+0x30e/0xa40 [ 4249.776330][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4249.776330][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4249.776330][ T1167] netlink_rcv_skb+0x130/0x360 [ 4249.776330][ T1167] netlink_unicast+0x449/0x710 [ 4249.776330][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4249.776330][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4249.776330][ T1167] ___sys_sendmsg+0xee/0x170 [ 4249.776330][ T1167] __sys_sendmsg+0xcd/0x170 [ 4249.776330][ T1167] do_syscall_64+0xc6/0x1e0 [ 4249.776330][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4249.776330][ T1167] [ 4249.778601][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4249.778601][ T1167] netdev_get_by_index+0x5e/0x80 [ 4249.778601][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4249.778601][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4249.778601][ T1167] ip6_route_add+0x1c/0x140 [ 4249.778601][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4249.778601][ T1167] addrconf_add_dev+0xe2/0x170 [ 4249.778601][ T1167] inet6_addr_add+0x12f/0xa40 [ 4249.778601][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4249.778601][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4249.778601][ T1167] netlink_rcv_skb+0x130/0x360 [ 4249.778601][ T1167] netlink_unicast+0x449/0x710 [ 4249.778601][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4249.778601][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4249.778601][ T1167] ___sys_sendmsg+0xee/0x170 [ 4249.778601][ T1167] __sys_sendmsg+0xcd/0x170 [ 4249.778601][ T1167] do_syscall_64+0xc6/0x1e0 [ 4249.778601][ T1167] [ 4249.781366][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4249.781366][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4249.781366][ T1167] ipv6_find_idev+0x102/0x170 [ 4249.781366][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4249.781366][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4249.781366][ T1167] netlink_rcv_skb+0x130/0x360 [ 4249.781366][ T1167] netlink_unicast+0x449/0x710 [ 4249.781366][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4249.781366][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4249.781366][ T1167] ___sys_sendmsg+0xee/0x170 [ 4249.781366][ T1167] __sys_sendmsg+0xcd/0x170 [ 4249.781366][ T1167] do_syscall_64+0xc6/0x1e0 [ 4249.781366][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4249.781366][ T1167] [ 4249.783123][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4249.783123][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4249.783123][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4249.783123][ T1167] ipv6_find_idev+0x102/0x170 [ 4249.783123][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4249.783123][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4249.783123][ T1167] netlink_rcv_skb+0x130/0x360 [ 4249.783123][ T1167] netlink_unicast+0x449/0x710 [ 4249.783123][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4249.783123][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4249.783123][ T1167] ___sys_sendmsg+0xee/0x170 [ 4249.783123][ T1167] __sys_sendmsg+0xcd/0x170 [ 4249.783123][ T1167] do_syscall_64+0xc6/0x1e0 [ 4249.783123][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4249.783123][ T1167] [ 4254.065155][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4254.065563][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4254.065563][ T10] netdev_get_by_index+0x5e/0x80 [ 4254.065563][ T10] fib6_nh_init+0x3d8/0x1580 [ 4254.065563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4254.065563][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4254.065563][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4254.065563][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4254.065563][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4254.065563][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4254.065563][ T10] addrconf_dad_begin+0x310/0x670 [ 4254.065563][ T10] addrconf_dad_work+0x10b/0xab0 [ 4254.065563][ T10] process_one_work+0x84d/0x18a0 [ 4254.065563][ T10] worker_thread+0x587/0xd30 [ 4254.065563][ T10] kthread+0x28a/0x350 [ 4254.065563][ T10] ret_from_fork+0x31/0x70 [ 4254.065563][ T10] ret_from_fork_asm+0x1a/0x30 [ 4254.065563][ T10] [ 4254.067492][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4254.067492][ T10] netdev_get_by_index+0x5e/0x80 [ 4254.067492][ T10] fib6_nh_init+0x3d8/0x1580 [ 4254.067492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4254.067492][ T10] ip6_route_add+0x1c/0x140 [ 4254.067492][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4254.067492][ T10] inet6_addr_add+0x4f8/0xa40 [ 4254.067492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4254.067492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.067492][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.067492][ T10] netlink_unicast+0x449/0x710 [ 4254.067492][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.067492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.067492][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.067492][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.067492][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.067492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.067492][ T10] [ 4254.069485][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4254.069485][ T10] netdev_get_by_index+0x5e/0x80 [ 4254.069485][ T10] fib6_nh_init+0x3d8/0x1580 [ 4254.069485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4254.069485][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4254.069485][ T10] ipv6_add_addr+0x411/0x2000 [ 4254.069485][ T10] inet6_addr_add+0x30e/0xa40 [ 4254.069485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4254.069485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.069485][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.069485][ T10] netlink_unicast+0x449/0x710 [ 4254.069485][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.069485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.069485][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.069485][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.069485][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.069485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.069485][ T10] [ 4254.071467][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4254.071467][ T10] netdev_get_by_index+0x5e/0x80 [ 4254.071467][ T10] fib6_nh_init+0x3d8/0x1580 [ 4254.071467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4254.071467][ T10] ip6_route_add+0x1c/0x140 [ 4254.071467][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4254.071467][ T10] addrconf_add_dev+0xe2/0x170 [ 4254.071467][ T10] inet6_addr_add+0x12f/0xa40 [ 4254.071467][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4254.071467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.071467][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.071467][ T10] netlink_unicast+0x449/0x710 [ 4254.071467][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.071467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.071467][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.071467][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.071467][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.071467][ T10] [ 4254.073406][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4254.073406][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4254.073406][ T10] ipv6_find_idev+0x102/0x170 [ 4254.073406][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4254.073406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.073406][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.073406][ T10] netlink_unicast+0x449/0x710 [ 4254.073406][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.073406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.073406][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.073406][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.073406][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.073406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.073406][ T10] [ 4254.074925][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4254.074925][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4254.074925][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4254.074925][ T10] ipv6_find_idev+0x102/0x170 [ 4254.074925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4254.074925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.074925][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.074925][ T10] netlink_unicast+0x449/0x710 [ 4254.074925][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.074925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.074925][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.074925][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.074925][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.074925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.074925][ T10] [ 4254.076595][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4254.076836][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4254.076836][ T10] netdev_get_by_index+0x5e/0x80 [ 4254.076836][ T10] fib6_nh_init+0x3d8/0x1580 [ 4254.076836][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4254.076836][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4254.076836][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4254.076836][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4254.076836][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4254.076836][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4254.076836][ T10] addrconf_dad_begin+0x310/0x670 [ 4254.076836][ T10] addrconf_dad_work+0x10b/0xab0 [ 4254.076836][ T10] process_one_work+0x84d/0x18a0 [ 4254.076836][ T10] worker_thread+0x587/0xd30 [ 4254.076836][ T10] kthread+0x28a/0x350 [ 4254.076836][ T10] ret_from_fork+0x31/0x70 [ 4254.076836][ T10] ret_from_fork_asm+0x1a/0x30 [ 4254.076836][ T10] [ 4254.078736][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4254.078736][ T10] netdev_get_by_index+0x5e/0x80 [ 4254.078736][ T10] fib6_nh_init+0x3d8/0x1580 [ 4254.078736][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4254.078736][ T10] ip6_route_add+0x1c/0x140 [ 4254.078736][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4254.078736][ T10] inet6_addr_add+0x4f8/0xa40 [ 4254.078736][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4254.078736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.078736][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.078736][ T10] netlink_unicast+0x449/0x710 [ 4254.078736][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.078736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.078736][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.078736][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.078736][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.078736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.078736][ T10] [ 4254.080711][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4254.080711][ T10] netdev_get_by_index+0x5e/0x80 [ 4254.080711][ T10] fib6_nh_init+0x3d8/0x1580 [ 4254.080711][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4254.080711][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4254.080711][ T10] ipv6_add_addr+0x411/0x2000 [ 4254.080711][ T10] inet6_addr_add+0x30e/0xa40 [ 4254.080711][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4254.080711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.080711][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.080711][ T10] netlink_unicast+0x449/0x710 [ 4254.080711][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.080711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.080711][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.080711][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.080711][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.080711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.080711][ T10] [ 4254.083068][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4254.083068][ T10] netdev_get_by_index+0x5e/0x80 [ 4254.083068][ T10] fib6_nh_init+0x3d8/0x1580 [ 4254.083068][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4254.083068][ T10] ip6_route_add+0x1c/0x140 [ 4254.083068][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4254.083068][ T10] addrconf_add_dev+0xe2/0x170 [ 4254.083068][ T10] inet6_addr_add+0x12f/0xa40 [ 4254.083068][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4254.083068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.083068][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.083068][ T10] netlink_unicast+0x449/0x710 [ 4254.083068][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.083068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.083068][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.083068][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.083068][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.083068][ T10] [ 4254.085007][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4254.085007][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4254.085007][ T10] ipv6_find_idev+0x102/0x170 [ 4254.085007][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4254.085007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.085007][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.085007][ T10] netlink_unicast+0x449/0x710 [ 4254.085007][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.085007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.085007][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.085007][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.085007][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.085007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.085007][ T10] [ 4254.086529][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4254.086529][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4254.086529][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4254.086529][ T10] ipv6_find_idev+0x102/0x170 [ 4254.086529][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4254.086529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.086529][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.086529][ T10] netlink_unicast+0x449/0x710 [ 4254.086529][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.086529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.086529][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.086529][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.086529][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.086529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.086529][ T10] [ 4254.088183][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4254.088418][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4254.088418][ T10] netdev_get_by_index+0x5e/0x80 [ 4254.088418][ T10] fib6_nh_init+0x3d8/0x1580 [ 4254.088418][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4254.088418][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4254.088418][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4254.088418][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4254.088418][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4254.088418][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4254.088418][ T10] addrconf_dad_begin+0x310/0x670 [ 4254.088418][ T10] addrconf_dad_work+0x10b/0xab0 [ 4254.088418][ T10] process_one_work+0x84d/0x18a0 [ 4254.088418][ T10] worker_thread+0x587/0xd30 [ 4254.088418][ T10] kthread+0x28a/0x350 [ 4254.088418][ T10] ret_from_fork+0x31/0x70 [ 4254.088418][ T10] ret_from_fork_asm+0x1a/0x30 [ 4254.088418][ T10] [ 4254.090297][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4254.090297][ T10] netdev_get_by_index+0x5e/0x80 [ 4254.090297][ T10] fib6_nh_init+0x3d8/0x1580 [ 4254.090297][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4254.090297][ T10] ip6_route_add+0x1c/0x140 [ 4254.090297][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4254.090297][ T10] inet6_addr_add+0x4f8/0xa40 [ 4254.090297][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4254.090297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.090297][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.090297][ T10] netlink_unicast+0x449/0x710 [ 4254.090297][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.090297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.090297][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.090297][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.090297][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.090297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.090297][ T10] [ 4254.092451][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4254.092451][ T10] netdev_get_by_index+0x5e/0x80 [ 4254.092451][ T10] fib6_nh_init+0x3d8/0x1580 [ 4254.092451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4254.092451][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4254.092451][ T10] ipv6_add_addr+0x411/0x2000 [ 4254.092451][ T10] inet6_addr_add+0x30e/0xa40 [ 4254.092451][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4254.092451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.092451][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.092451][ T10] netlink_unicast+0x449/0x710 [ 4254.092451][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.092451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.092451][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.092451][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.092451][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.092451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.092451][ T10] [ 4254.094656][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4254.094656][ T10] netdev_get_by_index+0x5e/0x80 [ 4254.094656][ T10] fib6_nh_init+0x3d8/0x1580 [ 4254.094656][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4254.094656][ T10] ip6_route_add+0x1c/0x140 [ 4254.094656][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4254.094656][ T10] addrconf_add_dev+0xe2/0x170 [ 4254.094656][ T10] inet6_addr_add+0x12f/0xa40 [ 4254.094656][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4254.094656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.094656][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.094656][ T10] netlink_unicast+0x449/0x710 [ 4254.094656][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.094656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.094656][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.094656][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.094656][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.094656][ T10] [ 4254.096830][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4254.096830][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4254.096830][ T10] ipv6_find_idev+0x102/0x170 [ 4254.096830][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4254.096830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.096830][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.096830][ T10] netlink_unicast+0x449/0x710 [ 4254.096830][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.096830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.096830][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.096830][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.096830][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.096830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.096830][ T10] [ 4254.098532][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4254.098532][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4254.098532][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4254.098532][ T10] ipv6_find_idev+0x102/0x170 [ 4254.098532][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4254.098532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.098532][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.098532][ T10] netlink_unicast+0x449/0x710 [ 4254.098532][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.098532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.098532][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.098532][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.098532][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.098532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.098532][ T10] [ 4254.100443][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4254.100677][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4254.100677][ T10] netdev_get_by_index+0x5e/0x80 [ 4254.100677][ T10] fib6_nh_init+0x3d8/0x1580 [ 4254.100677][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4254.100677][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4254.100677][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4254.100677][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4254.100677][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4254.100677][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4254.100677][ T10] addrconf_dad_begin+0x310/0x670 [ 4254.100677][ T10] addrconf_dad_work+0x10b/0xab0 [ 4254.100677][ T10] process_one_work+0x84d/0x18a0 [ 4254.100677][ T10] worker_thread+0x587/0xd30 [ 4254.100677][ T10] kthread+0x28a/0x350 [ 4254.100677][ T10] ret_from_fork+0x31/0x70 [ 4254.100677][ T10] ret_from_fork_asm+0x1a/0x30 [ 4254.100677][ T10] [ 4254.102807][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4254.102807][ T10] netdev_get_by_index+0x5e/0x80 [ 4254.102807][ T10] fib6_nh_init+0x3d8/0x1580 [ 4254.102807][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4254.102807][ T10] ip6_route_add+0x1c/0x140 [ 4254.102807][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4254.102807][ T10] inet6_addr_add+0x4f8/0xa40 [ 4254.102807][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4254.102807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.102807][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.102807][ T10] netlink_unicast+0x449/0x710 [ 4254.102807][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.102807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.102807][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.102807][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.102807][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.102807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.102807][ T10] [ 4254.105019][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4254.105019][ T10] netdev_get_by_index+0x5e/0x80 [ 4254.105019][ T10] fib6_nh_init+0x3d8/0x1580 [ 4254.105019][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4254.105019][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4254.105019][ T10] ipv6_add_addr+0x411/0x2000 [ 4254.105019][ T10] inet6_addr_add+0x30e/0xa40 [ 4254.105019][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4254.105019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.105019][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.105019][ T10] netlink_unicast+0x449/0x710 [ 4254.105019][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.105019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.105019][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.105019][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.105019][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.105019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.105019][ T10] [ 4254.107177][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4254.107177][ T10] netdev_get_by_index+0x5e/0x80 [ 4254.107177][ T10] fib6_nh_init+0x3d8/0x1580 [ 4254.107177][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4254.107177][ T10] ip6_route_add+0x1c/0x140 [ 4254.107177][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4254.107177][ T10] addrconf_add_dev+0xe2/0x170 [ 4254.107177][ T10] inet6_addr_add+0x12f/0xa40 [ 4254.107177][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4254.107177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.107177][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.107177][ T10] netlink_unicast+0x449/0x710 [ 4254.107177][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.107177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.107177][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.107177][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.107177][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.107177][ T10] [ 4254.109442][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4254.109442][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4254.109442][ T10] ipv6_find_idev+0x102/0x170 [ 4254.109442][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4254.109442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.109442][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.109442][ T10] netlink_unicast+0x449/0x710 [ 4254.109442][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.109442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.109442][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.109442][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.109442][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.109442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.109442][ T10] [ 4254.111146][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4254.111146][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4254.111146][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4254.111146][ T10] ipv6_find_idev+0x102/0x170 [ 4254.111146][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4254.111146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.111146][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.111146][ T10] netlink_unicast+0x449/0x710 [ 4254.111146][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.111146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.111146][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.111146][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.111146][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.111146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.111146][ T10] [ 4260.025112][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4260.025635][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4260.025635][ T1167] dst_init+0x84/0x4a0 [ 4260.025635][ T1167] dst_alloc+0x97/0x150 [ 4260.025635][ T1167] ip6_dst_alloc+0x23/0x90 [ 4260.025635][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4260.025635][ T1167] ip6_pol_route+0x56f/0x840 [ 4260.025635][ T1167] fib6_rule_lookup+0x334/0x630 [ 4260.025635][ T1167] ip6_route_output_flags+0x259/0x480 [ 4260.025635][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4260.025635][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4260.025635][ T1167] netlink_rcv_skb+0x130/0x360 [ 4260.025635][ T1167] netlink_unicast+0x449/0x710 [ 4260.025635][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4260.025635][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4260.025635][ T1167] ___sys_sendmsg+0xee/0x170 [ 4260.025635][ T1167] __sys_sendmsg+0xcd/0x170 [ 4260.025635][ T1167] do_syscall_64+0xc6/0x1e0 [ 4260.025635][ T1167] [ 4260.028006][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4260.028006][ T1167] netdev_get_by_index+0x5e/0x80 [ 4260.028006][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4260.028006][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4260.028006][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4260.028006][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4260.028006][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4260.028006][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4260.028006][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4260.028006][ T1167] addrconf_dad_begin+0x310/0x670 [ 4260.028006][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4260.028006][ T1167] process_one_work+0x84d/0x18a0 [ 4260.028006][ T1167] worker_thread+0x587/0xd30 [ 4260.028006][ T1167] kthread+0x28a/0x350 [ 4260.028006][ T1167] ret_from_fork+0x31/0x70 [ 4260.028006][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4260.028006][ T1167] [ 4260.030200][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4260.030200][ T1167] netdev_get_by_index+0x5e/0x80 [ 4260.030200][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4260.030200][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4260.030200][ T1167] ip6_route_add+0x1c/0x140 [ 4260.030200][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4260.030200][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4260.030200][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4260.030200][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4260.030200][ T1167] netlink_rcv_skb+0x130/0x360 [ 4260.030200][ T1167] netlink_unicast+0x449/0x710 [ 4260.030200][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4260.030200][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4260.030200][ T1167] ___sys_sendmsg+0xee/0x170 [ 4260.030200][ T1167] __sys_sendmsg+0xcd/0x170 [ 4260.030200][ T1167] do_syscall_64+0xc6/0x1e0 [ 4260.030200][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4260.030200][ T1167] [ 4260.032489][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4260.032489][ T1167] netdev_get_by_index+0x5e/0x80 [ 4260.032489][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4260.032489][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4260.032489][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4260.032489][ T1167] ipv6_add_addr+0x411/0x2000 [ 4260.032489][ T1167] inet6_addr_add+0x30e/0xa40 [ 4260.032489][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4260.032489][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4260.032489][ T1167] netlink_rcv_skb+0x130/0x360 [ 4260.032489][ T1167] netlink_unicast+0x449/0x710 [ 4260.032489][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4260.032489][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4260.032489][ T1167] ___sys_sendmsg+0xee/0x170 [ 4260.032489][ T1167] __sys_sendmsg+0xcd/0x170 [ 4260.032489][ T1167] do_syscall_64+0xc6/0x1e0 [ 4260.032489][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4260.032489][ T1167] [ 4260.034776][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4260.034776][ T1167] netdev_get_by_index+0x5e/0x80 [ 4260.034776][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4260.034776][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4260.034776][ T1167] ip6_route_add+0x1c/0x140 [ 4260.034776][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4260.034776][ T1167] addrconf_add_dev+0xe2/0x170 [ 4260.034776][ T1167] inet6_addr_add+0x12f/0xa40 [ 4260.034776][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4260.034776][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4260.034776][ T1167] netlink_rcv_skb+0x130/0x360 [ 4260.034776][ T1167] netlink_unicast+0x449/0x710 [ 4260.034776][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4260.034776][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4260.034776][ T1167] ___sys_sendmsg+0xee/0x170 [ 4260.034776][ T1167] __sys_sendmsg+0xcd/0x170 [ 4260.034776][ T1167] do_syscall_64+0xc6/0x1e0 [ 4260.034776][ T1167] [ 4260.037039][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4260.037039][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4260.037039][ T1167] ipv6_find_idev+0x102/0x170 [ 4260.037039][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4260.037039][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4260.037039][ T1167] netlink_rcv_skb+0x130/0x360 [ 4260.037039][ T1167] netlink_unicast+0x449/0x710 [ 4260.037039][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4260.037039][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4260.037039][ T1167] ___sys_sendmsg+0xee/0x170 [ 4260.037039][ T1167] __sys_sendmsg+0xcd/0x170 [ 4260.037039][ T1167] do_syscall_64+0xc6/0x1e0 [ 4260.037039][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4260.037039][ T1167] [ 4260.038802][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4260.038802][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4260.038802][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4260.038802][ T1167] ipv6_find_idev+0x102/0x170 [ 4260.038802][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4260.038802][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4260.038802][ T1167] netlink_rcv_skb+0x130/0x360 [ 4260.038802][ T1167] netlink_unicast+0x449/0x710 [ 4260.038802][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4260.038802][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4260.038802][ T1167] ___sys_sendmsg+0xee/0x170 [ 4260.038802][ T1167] __sys_sendmsg+0xcd/0x170 [ 4260.038802][ T1167] do_syscall_64+0xc6/0x1e0 [ 4260.038802][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4260.038802][ T1167] [ 4264.353127][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4264.353532][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4264.353532][ T10] netdev_get_by_index+0x5e/0x80 [ 4264.353532][ T10] fib6_nh_init+0x3d8/0x1580 [ 4264.353532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4264.353532][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4264.353532][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4264.353532][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4264.353532][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4264.353532][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4264.353532][ T10] addrconf_dad_begin+0x310/0x670 [ 4264.353532][ T10] addrconf_dad_work+0x10b/0xab0 [ 4264.353532][ T10] process_one_work+0x84d/0x18a0 [ 4264.353532][ T10] worker_thread+0x587/0xd30 [ 4264.353532][ T10] kthread+0x28a/0x350 [ 4264.353532][ T10] ret_from_fork+0x31/0x70 [ 4264.353532][ T10] ret_from_fork_asm+0x1a/0x30 [ 4264.353532][ T10] [ 4264.355495][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4264.355495][ T10] netdev_get_by_index+0x5e/0x80 [ 4264.355495][ T10] fib6_nh_init+0x3d8/0x1580 [ 4264.355495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4264.355495][ T10] ip6_route_add+0x1c/0x140 [ 4264.355495][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4264.355495][ T10] inet6_addr_add+0x4f8/0xa40 [ 4264.355495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4264.355495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.355495][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.355495][ T10] netlink_unicast+0x449/0x710 [ 4264.355495][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.355495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.355495][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.355495][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.355495][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.355495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.355495][ T10] [ 4264.357488][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4264.357488][ T10] netdev_get_by_index+0x5e/0x80 [ 4264.357488][ T10] fib6_nh_init+0x3d8/0x1580 [ 4264.357488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4264.357488][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4264.357488][ T10] ipv6_add_addr+0x411/0x2000 [ 4264.357488][ T10] inet6_addr_add+0x30e/0xa40 [ 4264.357488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4264.357488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.357488][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.357488][ T10] netlink_unicast+0x449/0x710 [ 4264.357488][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.357488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.357488][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.357488][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.357488][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.357488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.357488][ T10] [ 4264.359493][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4264.359493][ T10] netdev_get_by_index+0x5e/0x80 [ 4264.359493][ T10] fib6_nh_init+0x3d8/0x1580 [ 4264.359493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4264.359493][ T10] ip6_route_add+0x1c/0x140 [ 4264.359493][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4264.359493][ T10] addrconf_add_dev+0xe2/0x170 [ 4264.359493][ T10] inet6_addr_add+0x12f/0xa40 [ 4264.359493][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4264.359493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.359493][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.359493][ T10] netlink_unicast+0x449/0x710 [ 4264.359493][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.359493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.359493][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.359493][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.359493][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.359493][ T10] [ 4264.361451][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4264.361451][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4264.361451][ T10] ipv6_find_idev+0x102/0x170 [ 4264.361451][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4264.361451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.361451][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.361451][ T10] netlink_unicast+0x449/0x710 [ 4264.361451][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.361451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.361451][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.361451][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.361451][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.361451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.361451][ T10] [ 4264.362988][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4264.362988][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4264.362988][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4264.362988][ T10] ipv6_find_idev+0x102/0x170 [ 4264.362988][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4264.362988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.362988][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.362988][ T10] netlink_unicast+0x449/0x710 [ 4264.362988][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.362988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.362988][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.362988][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.362988][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.362988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.362988][ T10] [ 4264.365175][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4264.365429][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4264.365429][ T10] netdev_get_by_index+0x5e/0x80 [ 4264.365429][ T10] fib6_nh_init+0x3d8/0x1580 [ 4264.365429][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4264.365429][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4264.365429][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4264.365429][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4264.365429][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4264.365429][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4264.365429][ T10] addrconf_dad_begin+0x310/0x670 [ 4264.365429][ T10] addrconf_dad_work+0x10b/0xab0 [ 4264.365429][ T10] process_one_work+0x84d/0x18a0 [ 4264.365429][ T10] worker_thread+0x587/0xd30 [ 4264.365429][ T10] kthread+0x28a/0x350 [ 4264.365429][ T10] ret_from_fork+0x31/0x70 [ 4264.365429][ T10] ret_from_fork_asm+0x1a/0x30 [ 4264.365429][ T10] [ 4264.367339][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4264.367339][ T10] netdev_get_by_index+0x5e/0x80 [ 4264.367339][ T10] fib6_nh_init+0x3d8/0x1580 [ 4264.367339][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4264.367339][ T10] ip6_route_add+0x1c/0x140 [ 4264.367339][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4264.367339][ T10] inet6_addr_add+0x4f8/0xa40 [ 4264.367339][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4264.367339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.367339][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.367339][ T10] netlink_unicast+0x449/0x710 [ 4264.367339][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.367339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.367339][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.367339][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.367339][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.367339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.367339][ T10] [ 4264.369329][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4264.369329][ T10] netdev_get_by_index+0x5e/0x80 [ 4264.369329][ T10] fib6_nh_init+0x3d8/0x1580 [ 4264.369329][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4264.369329][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4264.369329][ T10] ipv6_add_addr+0x411/0x2000 [ 4264.369329][ T10] inet6_addr_add+0x30e/0xa40 [ 4264.369329][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4264.369329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.369329][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.369329][ T10] netlink_unicast+0x449/0x710 [ 4264.369329][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.369329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.369329][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.369329][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.369329][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.369329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.369329][ T10] [ 4264.371321][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4264.371321][ T10] netdev_get_by_index+0x5e/0x80 [ 4264.371321][ T10] fib6_nh_init+0x3d8/0x1580 [ 4264.371321][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4264.371321][ T10] ip6_route_add+0x1c/0x140 [ 4264.371321][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4264.371321][ T10] addrconf_add_dev+0xe2/0x170 [ 4264.371321][ T10] inet6_addr_add+0x12f/0xa40 [ 4264.371321][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4264.371321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.371321][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.371321][ T10] netlink_unicast+0x449/0x710 [ 4264.371321][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.371321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.371321][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.371321][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.371321][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.371321][ T10] [ 4264.373269][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4264.373269][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4264.373269][ T10] ipv6_find_idev+0x102/0x170 [ 4264.373269][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4264.373269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.373269][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.373269][ T10] netlink_unicast+0x449/0x710 [ 4264.373269][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.373269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.373269][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.373269][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.373269][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.373269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.373269][ T10] [ 4264.374805][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4264.374805][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4264.374805][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4264.374805][ T10] ipv6_find_idev+0x102/0x170 [ 4264.374805][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4264.374805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.374805][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.374805][ T10] netlink_unicast+0x449/0x710 [ 4264.374805][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.374805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.374805][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.374805][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.374805][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.374805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.374805][ T10] [ 4264.376479][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4264.376727][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4264.376727][ T10] netdev_get_by_index+0x5e/0x80 [ 4264.376727][ T10] fib6_nh_init+0x3d8/0x1580 [ 4264.376727][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4264.376727][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4264.376727][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4264.376727][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4264.376727][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4264.376727][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4264.376727][ T10] addrconf_dad_begin+0x310/0x670 [ 4264.376727][ T10] addrconf_dad_work+0x10b/0xab0 [ 4264.376727][ T10] process_one_work+0x84d/0x18a0 [ 4264.376727][ T10] worker_thread+0x587/0xd30 [ 4264.376727][ T10] kthread+0x28a/0x350 [ 4264.376727][ T10] ret_from_fork+0x31/0x70 [ 4264.376727][ T10] ret_from_fork_asm+0x1a/0x30 [ 4264.376727][ T10] [ 4264.378615][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4264.378615][ T10] netdev_get_by_index+0x5e/0x80 [ 4264.378615][ T10] fib6_nh_init+0x3d8/0x1580 [ 4264.378615][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4264.378615][ T10] ip6_route_add+0x1c/0x140 [ 4264.378615][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4264.378615][ T10] inet6_addr_add+0x4f8/0xa40 [ 4264.378615][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4264.378615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.378615][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.378615][ T10] netlink_unicast+0x449/0x710 [ 4264.378615][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.378615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.378615][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.378615][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.378615][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.378615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.378615][ T10] [ 4264.380772][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4264.380772][ T10] netdev_get_by_index+0x5e/0x80 [ 4264.380772][ T10] fib6_nh_init+0x3d8/0x1580 [ 4264.380772][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4264.380772][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4264.380772][ T10] ipv6_add_addr+0x411/0x2000 [ 4264.380772][ T10] inet6_addr_add+0x30e/0xa40 [ 4264.380772][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4264.380772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.380772][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.380772][ T10] netlink_unicast+0x449/0x710 [ 4264.380772][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.380772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.380772][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.380772][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.380772][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.380772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.380772][ T10] [ 4264.382988][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4264.382988][ T10] netdev_get_by_index+0x5e/0x80 [ 4264.382988][ T10] fib6_nh_init+0x3d8/0x1580 [ 4264.382988][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4264.382988][ T10] ip6_route_add+0x1c/0x140 [ 4264.382988][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4264.382988][ T10] addrconf_add_dev+0xe2/0x170 [ 4264.382988][ T10] inet6_addr_add+0x12f/0xa40 [ 4264.382988][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4264.382988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.382988][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.382988][ T10] netlink_unicast+0x449/0x710 [ 4264.382988][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.382988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.382988][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.382988][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.382988][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.382988][ T10] [ 4264.385105][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4264.385105][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4264.385105][ T10] ipv6_find_idev+0x102/0x170 [ 4264.385105][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4264.385105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.385105][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.385105][ T10] netlink_unicast+0x449/0x710 [ 4264.385105][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.385105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.385105][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.385105][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.385105][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.385105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.385105][ T10] [ 4264.386865][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4264.386865][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4264.386865][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4264.386865][ T10] ipv6_find_idev+0x102/0x170 [ 4264.386865][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4264.386865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.386865][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.386865][ T10] netlink_unicast+0x449/0x710 [ 4264.386865][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.386865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.386865][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.386865][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.386865][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.386865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.386865][ T10] [ 4264.393715][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4264.393960][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4264.393960][ T10] netdev_get_by_index+0x5e/0x80 [ 4264.393960][ T10] fib6_nh_init+0x3d8/0x1580 [ 4264.393960][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4264.393960][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4264.393960][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4264.393960][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4264.393960][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4264.393960][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4264.393960][ T10] addrconf_dad_begin+0x310/0x670 [ 4264.393960][ T10] addrconf_dad_work+0x10b/0xab0 [ 4264.393960][ T10] process_one_work+0x84d/0x18a0 [ 4264.393960][ T10] worker_thread+0x587/0xd30 [ 4264.393960][ T10] kthread+0x28a/0x350 [ 4264.393960][ T10] ret_from_fork+0x31/0x70 [ 4264.393960][ T10] ret_from_fork_asm+0x1a/0x30 [ 4264.393960][ T10] [ 4264.395973][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4264.395973][ T10] netdev_get_by_index+0x5e/0x80 [ 4264.395973][ T10] fib6_nh_init+0x3d8/0x1580 [ 4264.395973][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4264.395973][ T10] ip6_route_add+0x1c/0x140 [ 4264.395973][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4264.395973][ T10] inet6_addr_add+0x4f8/0xa40 [ 4264.395973][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4264.395973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.395973][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.395973][ T10] netlink_unicast+0x449/0x710 [ 4264.395973][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.395973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.395973][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.395973][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.395973][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.395973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.395973][ T10] [ 4264.398073][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4264.398073][ T10] netdev_get_by_index+0x5e/0x80 [ 4264.398073][ T10] fib6_nh_init+0x3d8/0x1580 [ 4264.398073][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4264.398073][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4264.398073][ T10] ipv6_add_addr+0x411/0x2000 [ 4264.398073][ T10] inet6_addr_add+0x30e/0xa40 [ 4264.398073][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4264.398073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.398073][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.398073][ T10] netlink_unicast+0x449/0x710 [ 4264.398073][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.398073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.398073][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.398073][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.398073][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.398073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.398073][ T10] [ 4264.400184][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4264.400184][ T10] netdev_get_by_index+0x5e/0x80 [ 4264.400184][ T10] fib6_nh_init+0x3d8/0x1580 [ 4264.400184][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4264.400184][ T10] ip6_route_add+0x1c/0x140 [ 4264.400184][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4264.400184][ T10] addrconf_add_dev+0xe2/0x170 [ 4264.400184][ T10] inet6_addr_add+0x12f/0xa40 [ 4264.400184][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4264.400184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.400184][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.400184][ T10] netlink_unicast+0x449/0x710 [ 4264.400184][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.400184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.400184][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.400184][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.400184][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.400184][ T10] [ 4264.402251][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4264.402251][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4264.402251][ T10] ipv6_find_idev+0x102/0x170 [ 4264.402251][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4264.402251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.402251][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.402251][ T10] netlink_unicast+0x449/0x710 [ 4264.402251][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.402251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.402251][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.402251][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.402251][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.402251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.402251][ T10] [ 4264.403827][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4264.403827][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4264.403827][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4264.403827][ T10] ipv6_find_idev+0x102/0x170 [ 4264.403827][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4264.403827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.403827][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.403827][ T10] netlink_unicast+0x449/0x710 [ 4264.403827][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.403827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.403827][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.403827][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.403827][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.403827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.403827][ T10] [ 4270.281093][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4270.281718][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4270.281718][ T1167] dst_init+0x84/0x4a0 [ 4270.281718][ T1167] dst_alloc+0x97/0x150 [ 4270.281718][ T1167] ip6_dst_alloc+0x23/0x90 [ 4270.281718][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4270.281718][ T1167] ip6_pol_route+0x56f/0x840 [ 4270.281718][ T1167] fib6_rule_lookup+0x334/0x630 [ 4270.281718][ T1167] ip6_route_output_flags+0x259/0x480 [ 4270.281718][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4270.281718][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4270.281718][ T1167] netlink_rcv_skb+0x130/0x360 [ 4270.281718][ T1167] netlink_unicast+0x449/0x710 [ 4270.281718][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4270.281718][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4270.281718][ T1167] ___sys_sendmsg+0xee/0x170 [ 4270.281718][ T1167] __sys_sendmsg+0xcd/0x170 [ 4270.281718][ T1167] do_syscall_64+0xc6/0x1e0 [ 4270.281718][ T1167] [ 4270.285144][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4270.285144][ T1167] netdev_get_by_index+0x5e/0x80 [ 4270.285144][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4270.285144][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4270.285144][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4270.285144][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4270.285144][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4270.285144][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4270.285144][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4270.285144][ T1167] addrconf_dad_begin+0x310/0x670 [ 4270.285144][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4270.285144][ T1167] process_one_work+0x84d/0x18a0 [ 4270.285144][ T1167] worker_thread+0x587/0xd30 [ 4270.285144][ T1167] kthread+0x28a/0x350 [ 4270.285144][ T1167] ret_from_fork+0x31/0x70 [ 4270.285144][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4270.285144][ T1167] [ 4270.288507][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4270.288507][ T1167] netdev_get_by_index+0x5e/0x80 [ 4270.288507][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4270.288507][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4270.288507][ T1167] ip6_route_add+0x1c/0x140 [ 4270.288507][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4270.288507][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4270.288507][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4270.288507][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4270.288507][ T1167] netlink_rcv_skb+0x130/0x360 [ 4270.288507][ T1167] netlink_unicast+0x449/0x710 [ 4270.288507][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4270.288507][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4270.288507][ T1167] ___sys_sendmsg+0xee/0x170 [ 4270.288507][ T1167] __sys_sendmsg+0xcd/0x170 [ 4270.288507][ T1167] do_syscall_64+0xc6/0x1e0 [ 4270.288507][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4270.288507][ T1167] [ 4270.292117][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4270.292117][ T1167] netdev_get_by_index+0x5e/0x80 [ 4270.292117][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4270.292117][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4270.292117][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4270.292117][ T1167] ipv6_add_addr+0x411/0x2000 [ 4270.292117][ T1167] inet6_addr_add+0x30e/0xa40 [ 4270.292117][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4270.292117][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4270.292117][ T1167] netlink_rcv_skb+0x130/0x360 [ 4270.292117][ T1167] netlink_unicast+0x449/0x710 [ 4270.292117][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4270.292117][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4270.292117][ T1167] ___sys_sendmsg+0xee/0x170 [ 4270.292117][ T1167] __sys_sendmsg+0xcd/0x170 [ 4270.292117][ T1167] do_syscall_64+0xc6/0x1e0 [ 4270.292117][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4270.292117][ T1167] [ 4270.295741][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4270.295741][ T1167] netdev_get_by_index+0x5e/0x80 [ 4270.295741][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4270.295741][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4270.295741][ T1167] ip6_route_add+0x1c/0x140 [ 4270.295741][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4270.295741][ T1167] addrconf_add_dev+0xe2/0x170 [ 4270.295741][ T1167] inet6_addr_add+0x12f/0xa40 [ 4270.295741][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4270.295741][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4270.295741][ T1167] netlink_rcv_skb+0x130/0x360 [ 4270.295741][ T1167] netlink_unicast+0x449/0x710 [ 4270.295741][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4270.295741][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4270.295741][ T1167] ___sys_sendmsg+0xee/0x170 [ 4270.295741][ T1167] __sys_sendmsg+0xcd/0x170 [ 4270.295741][ T1167] do_syscall_64+0xc6/0x1e0 [ 4270.295741][ T1167] [ 4270.299251][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4270.299251][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4270.299251][ T1167] ipv6_find_idev+0x102/0x170 [ 4270.299251][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4270.299251][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4270.299251][ T1167] netlink_rcv_skb+0x130/0x360 [ 4270.299251][ T1167] netlink_unicast+0x449/0x710 [ 4270.299251][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4270.299251][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4270.299251][ T1167] ___sys_sendmsg+0xee/0x170 [ 4270.299251][ T1167] __sys_sendmsg+0xcd/0x170 [ 4270.299251][ T1167] do_syscall_64+0xc6/0x1e0 [ 4270.299251][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4270.299251][ T1167] [ 4270.301996][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4270.301996][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4270.301996][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4270.301996][ T1167] ipv6_find_idev+0x102/0x170 [ 4270.301996][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4270.301996][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4270.301996][ T1167] netlink_rcv_skb+0x130/0x360 [ 4270.301996][ T1167] netlink_unicast+0x449/0x710 [ 4270.301996][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4270.301996][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4270.301996][ T1167] ___sys_sendmsg+0xee/0x170 [ 4270.301996][ T1167] __sys_sendmsg+0xcd/0x170 [ 4270.301996][ T1167] do_syscall_64+0xc6/0x1e0 [ 4270.301996][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4270.301996][ T1167] [ 4274.657151][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4274.657507][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4274.657507][ T10] netdev_get_by_index+0x5e/0x80 [ 4274.657507][ T10] fib6_nh_init+0x3d8/0x1580 [ 4274.657507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4274.657507][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4274.657507][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4274.657507][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4274.657507][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4274.657507][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4274.657507][ T10] addrconf_dad_begin+0x310/0x670 [ 4274.657507][ T10] addrconf_dad_work+0x10b/0xab0 [ 4274.657507][ T10] process_one_work+0x84d/0x18a0 [ 4274.657507][ T10] worker_thread+0x587/0xd30 [ 4274.657507][ T10] kthread+0x28a/0x350 [ 4274.657507][ T10] ret_from_fork+0x31/0x70 [ 4274.657507][ T10] ret_from_fork_asm+0x1a/0x30 [ 4274.657507][ T10] [ 4274.659424][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4274.659424][ T10] netdev_get_by_index+0x5e/0x80 [ 4274.659424][ T10] fib6_nh_init+0x3d8/0x1580 [ 4274.659424][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4274.659424][ T10] ip6_route_add+0x1c/0x140 [ 4274.659424][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4274.659424][ T10] inet6_addr_add+0x4f8/0xa40 [ 4274.659424][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4274.659424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4274.659424][ T10] netlink_rcv_skb+0x130/0x360 [ 4274.659424][ T10] netlink_unicast+0x449/0x710 [ 4274.659424][ T10] netlink_sendmsg+0x723/0xbe0 [ 4274.659424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4274.659424][ T10] ___sys_sendmsg+0xee/0x170 [ 4274.659424][ T10] __sys_sendmsg+0xcd/0x170 [ 4274.659424][ T10] do_syscall_64+0xc6/0x1e0 [ 4274.659424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4274.659424][ T10] [ 4274.661411][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4274.661411][ T10] netdev_get_by_index+0x5e/0x80 [ 4274.661411][ T10] fib6_nh_init+0x3d8/0x1580 [ 4274.661411][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4274.661411][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4274.661411][ T10] ipv6_add_addr+0x411/0x2000 [ 4274.661411][ T10] inet6_addr_add+0x30e/0xa40 [ 4274.661411][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4274.661411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4274.661411][ T10] netlink_rcv_skb+0x130/0x360 [ 4274.661411][ T10] netlink_unicast+0x449/0x710 [ 4274.661411][ T10] netlink_sendmsg+0x723/0xbe0 [ 4274.661411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4274.661411][ T10] ___sys_sendmsg+0xee/0x170 [ 4274.661411][ T10] __sys_sendmsg+0xcd/0x170 [ 4274.661411][ T10] do_syscall_64+0xc6/0x1e0 [ 4274.661411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4274.661411][ T10] [ 4274.663384][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4274.663384][ T10] netdev_get_by_index+0x5e/0x80 [ 4274.663384][ T10] fib6_nh_init+0x3d8/0x1580 [ 4274.663384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4274.663384][ T10] ip6_route_add+0x1c/0x140 [ 4274.663384][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4274.663384][ T10] addrconf_add_dev+0xe2/0x170 [ 4274.663384][ T10] inet6_addr_add+0x12f/0xa40 [ 4274.663384][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4274.663384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4274.663384][ T10] netlink_rcv_skb+0x130/0x360 [ 4274.663384][ T10] netlink_unicast+0x449/0x710 [ 4274.663384][ T10] netlink_sendmsg+0x723/0xbe0 [ 4274.663384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4274.663384][ T10] ___sys_sendmsg+0xee/0x170 [ 4274.663384][ T10] __sys_sendmsg+0xcd/0x170 [ 4274.663384][ T10] do_syscall_64+0xc6/0x1e0 [ 4274.663384][ T10] [ 4274.665329][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4274.665329][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4274.665329][ T10] ipv6_find_idev+0x102/0x170 [ 4274.665329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4274.665329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4274.665329][ T10] netlink_rcv_skb+0x130/0x360 [ 4274.665329][ T10] netlink_unicast+0x449/0x710 [ 4274.665329][ T10] netlink_sendmsg+0x723/0xbe0 [ 4274.665329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4274.665329][ T10] ___sys_sendmsg+0xee/0x170 [ 4274.665329][ T10] __sys_sendmsg+0xcd/0x170 [ 4274.665329][ T10] do_syscall_64+0xc6/0x1e0 [ 4274.665329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4274.665329][ T10] [ 4274.666850][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4274.666850][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4274.666850][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4274.666850][ T10] ipv6_find_idev+0x102/0x170 [ 4274.666850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4274.666850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4274.666850][ T10] netlink_rcv_skb+0x130/0x360 [ 4274.666850][ T10] netlink_unicast+0x449/0x710 [ 4274.666850][ T10] netlink_sendmsg+0x723/0xbe0 [ 4274.666850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4274.666850][ T10] ___sys_sendmsg+0xee/0x170 [ 4274.666850][ T10] __sys_sendmsg+0xcd/0x170 [ 4274.666850][ T10] do_syscall_64+0xc6/0x1e0 [ 4274.666850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4274.666850][ T10] [ 4274.668534][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4274.668777][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4274.668777][ T10] netdev_get_by_index+0x5e/0x80 [ 4274.668777][ T10] fib6_nh_init+0x3d8/0x1580 [ 4274.668777][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4274.668777][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4274.668777][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4274.668777][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4274.668777][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4274.668777][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4274.668777][ T10] addrconf_dad_begin+0x310/0x670 [ 4274.668777][ T10] addrconf_dad_work+0x10b/0xab0 [ 4274.668777][ T10] process_one_work+0x84d/0x18a0 [ 4274.668777][ T10] worker_thread+0x587/0xd30 [ 4274.668777][ T10] kthread+0x28a/0x350 [ 4274.668777][ T10] ret_from_fork+0x31/0x70 [ 4274.668777][ T10] ret_from_fork_asm+0x1a/0x30 [ 4274.668777][ T10] [ 4274.670676][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4274.670676][ T10] netdev_get_by_index+0x5e/0x80 [ 4274.670676][ T10] fib6_nh_init+0x3d8/0x1580 [ 4274.670676][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4274.670676][ T10] ip6_route_add+0x1c/0x140 [ 4274.670676][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4274.670676][ T10] inet6_addr_add+0x4f8/0xa40 [ 4274.670676][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4274.670676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4274.670676][ T10] netlink_rcv_skb+0x130/0x360 [ 4274.670676][ T10] netlink_unicast+0x449/0x710 [ 4274.670676][ T10] netlink_sendmsg+0x723/0xbe0 [ 4274.670676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4274.670676][ T10] ___sys_sendmsg+0xee/0x170 [ 4274.670676][ T10] __sys_sendmsg+0xcd/0x170 [ 4274.670676][ T10] do_syscall_64+0xc6/0x1e0 [ 4274.670676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4274.670676][ T10] [ 4274.672655][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4274.672655][ T10] netdev_get_by_index+0x5e/0x80 [ 4274.672655][ T10] fib6_nh_init+0x3d8/0x1580 [ 4274.672655][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4274.672655][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4274.672655][ T10] ipv6_add_addr+0x411/0x2000 [ 4274.672655][ T10] inet6_addr_add+0x30e/0xa40 [ 4274.672655][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4274.672655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4274.672655][ T10] netlink_rcv_skb+0x130/0x360 [ 4274.672655][ T10] netlink_unicast+0x449/0x710 [ 4274.672655][ T10] netlink_sendmsg+0x723/0xbe0 [ 4274.672655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4274.672655][ T10] ___sys_sendmsg+0xee/0x170 [ 4274.672655][ T10] __sys_sendmsg+0xcd/0x170 [ 4274.672655][ T10] do_syscall_64+0xc6/0x1e0 [ 4274.672655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4274.672655][ T10] [ 4274.674633][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4274.674633][ T10] netdev_get_by_index+0x5e/0x80 [ 4274.674633][ T10] fib6_nh_init+0x3d8/0x1580 [ 4274.674633][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4274.674633][ T10] ip6_route_add+0x1c/0x140 [ 4274.674633][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4274.674633][ T10] addrconf_add_dev+0xe2/0x170 [ 4274.674633][ T10] inet6_addr_add+0x12f/0xa40 [ 4274.674633][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4274.674633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4274.674633][ T10] netlink_rcv_skb+0x130/0x360 [ 4274.674633][ T10] netlink_unicast+0x449/0x710 [ 4274.674633][ T10] netlink_sendmsg+0x723/0xbe0 [ 4274.674633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4274.674633][ T10] ___sys_sendmsg+0xee/0x170 [ 4274.674633][ T10] __sys_sendmsg+0xcd/0x170 [ 4274.674633][ T10] do_syscall_64+0xc6/0x1e0 [ 4274.674633][ T10] [ 4274.676583][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4274.676583][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4274.676583][ T10] ipv6_find_idev+0x102/0x170 [ 4274.676583][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4274.676583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4274.676583][ T10] netlink_rcv_skb+0x130/0x360 [ 4274.676583][ T10] netlink_unicast+0x449/0x710 [ 4274.676583][ T10] netlink_sendmsg+0x723/0xbe0 [ 4274.676583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4274.676583][ T10] ___sys_sendmsg+0xee/0x170 [ 4274.676583][ T10] __sys_sendmsg+0xcd/0x170 [ 4274.676583][ T10] do_syscall_64+0xc6/0x1e0 [ 4274.676583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4274.676583][ T10] [ 4274.678104][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4274.678104][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4274.678104][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4274.678104][ T10] ipv6_find_idev+0x102/0x170 [ 4274.678104][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4274.678104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4274.678104][ T10] netlink_rcv_skb+0x130/0x360 [ 4274.678104][ T10] netlink_unicast+0x449/0x710 [ 4274.678104][ T10] netlink_sendmsg+0x723/0xbe0 [ 4274.678104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4274.678104][ T10] ___sys_sendmsg+0xee/0x170 [ 4274.678104][ T10] __sys_sendmsg+0xcd/0x170 [ 4274.678104][ T10] do_syscall_64+0xc6/0x1e0 [ 4274.678104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4274.678104][ T10] [ 4274.679866][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4274.680115][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4274.680115][ T10] netdev_get_by_index+0x5e/0x80 [ 4274.680115][ T10] fib6_nh_init+0x3d8/0x1580 [ 4274.680115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4274.680115][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4274.680115][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4274.680115][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4274.680115][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4274.680115][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4274.680115][ T10] addrconf_dad_begin+0x310/0x670 [ 4274.680115][ T10] addrconf_dad_work+0x10b/0xab0 [ 4274.680115][ T10] process_one_work+0x84d/0x18a0 [ 4274.680115][ T10] worker_thread+0x587/0xd30 [ 4274.680115][ T10] kthread+0x28a/0x350 [ 4274.680115][ T10] ret_from_fork+0x31/0x70 [ 4274.680115][ T10] ret_from_fork_asm+0x1a/0x30 [ 4274.680115][ T10] [ 4274.682012][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4274.682012][ T10] netdev_get_by_index+0x5e/0x80 [ 4274.682012][ T10] fib6_nh_init+0x3d8/0x1580 [ 4274.682012][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4274.682012][ T10] ip6_route_add+0x1c/0x140 [ 4274.682012][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4274.682012][ T10] inet6_addr_add+0x4f8/0xa40 [ 4274.682012][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4274.682012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4274.682012][ T10] netlink_rcv_skb+0x130/0x360 [ 4274.682012][ T10] netlink_unicast+0x449/0x710 [ 4274.682012][ T10] netlink_sendmsg+0x723/0xbe0 [ 4274.682012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4274.682012][ T10] ___sys_sendmsg+0xee/0x170 [ 4274.682012][ T10] __sys_sendmsg+0xcd/0x170 [ 4274.682012][ T10] do_syscall_64+0xc6/0x1e0 [ 4274.682012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4274.682012][ T10] [ 4274.684165][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4274.684165][ T10] netdev_get_by_index+0x5e/0x80 [ 4274.684165][ T10] fib6_nh_init+0x3d8/0x1580 [ 4274.684165][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4274.684165][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4274.684165][ T10] ipv6_add_addr+0x411/0x2000 [ 4274.684165][ T10] inet6_addr_add+0x30e/0xa40 [ 4274.684165][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4274.684165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4274.684165][ T10] netlink_rcv_skb+0x130/0x360 [ 4274.684165][ T10] netlink_unicast+0x449/0x710 [ 4274.684165][ T10] netlink_sendmsg+0x723/0xbe0 [ 4274.684165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4274.684165][ T10] ___sys_sendmsg+0xee/0x170 [ 4274.684165][ T10] __sys_sendmsg+0xcd/0x170 [ 4274.684165][ T10] do_syscall_64+0xc6/0x1e0 [ 4274.684165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4274.684165][ T10] [ 4274.686382][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4274.686382][ T10] netdev_get_by_index+0x5e/0x80 [ 4274.686382][ T10] fib6_nh_init+0x3d8/0x1580 [ 4274.686382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4274.686382][ T10] ip6_route_add+0x1c/0x140 [ 4274.686382][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4274.686382][ T10] addrconf_add_dev+0xe2/0x170 [ 4274.686382][ T10] inet6_addr_add+0x12f/0xa40 [ 4274.686382][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4274.686382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4274.686382][ T10] netlink_rcv_skb+0x130/0x360 [ 4274.686382][ T10] netlink_unicast+0x449/0x710 [ 4274.686382][ T10] netlink_sendmsg+0x723/0xbe0 [ 4274.686382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4274.686382][ T10] ___sys_sendmsg+0xee/0x170 [ 4274.686382][ T10] __sys_sendmsg+0xcd/0x170 [ 4274.686382][ T10] do_syscall_64+0xc6/0x1e0 [ 4274.686382][ T10] [ 4274.688564][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4274.688564][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4274.688564][ T10] ipv6_find_idev+0x102/0x170 [ 4274.688564][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4274.688564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4274.688564][ T10] netlink_rcv_skb+0x130/0x360 [ 4274.688564][ T10] netlink_unicast+0x449/0x710 [ 4274.688564][ T10] netlink_sendmsg+0x723/0xbe0 [ 4274.688564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4274.688564][ T10] ___sys_sendmsg+0xee/0x170 [ 4274.688564][ T10] __sys_sendmsg+0xcd/0x170 [ 4274.688564][ T10] do_syscall_64+0xc6/0x1e0 [ 4274.688564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4274.688564][ T10] [ 4274.690265][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4274.690265][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4274.690265][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4274.690265][ T10] ipv6_find_idev+0x102/0x170 [ 4274.690265][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4274.690265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4274.690265][ T10] netlink_rcv_skb+0x130/0x360 [ 4274.690265][ T10] netlink_unicast+0x449/0x710 [ 4274.690265][ T10] netlink_sendmsg+0x723/0xbe0 [ 4274.690265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4274.690265][ T10] ___sys_sendmsg+0xee/0x170 [ 4274.690265][ T10] __sys_sendmsg+0xcd/0x170 [ 4274.690265][ T10] do_syscall_64+0xc6/0x1e0 [ 4274.690265][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4274.690265][ T10] [ 4274.692139][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4274.692382][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4274.692382][ T10] netdev_get_by_index+0x5e/0x80 [ 4274.692382][ T10] fib6_nh_init+0x3d8/0x1580 [ 4274.692382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4274.692382][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4274.692382][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4274.692382][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4274.692382][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4274.692382][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4274.692382][ T10] addrconf_dad_begin+0x310/0x670 [ 4274.692382][ T10] addrconf_dad_work+0x10b/0xab0 [ 4274.692382][ T10] process_one_work+0x84d/0x18a0 [ 4274.692382][ T10] worker_thread+0x587/0xd30 [ 4274.692382][ T10] kthread+0x28a/0x350 [ 4274.692382][ T10] ret_from_fork+0x31/0x70 [ 4274.692382][ T10] ret_from_fork_asm+0x1a/0x30 [ 4274.692382][ T10] [ 4274.694524][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4274.694524][ T10] netdev_get_by_index+0x5e/0x80 [ 4274.694524][ T10] fib6_nh_init+0x3d8/0x1580 [ 4274.694524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4274.694524][ T10] ip6_route_add+0x1c/0x140 [ 4274.694524][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4274.694524][ T10] inet6_addr_add+0x4f8/0xa40 [ 4274.694524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4274.694524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4274.694524][ T10] netlink_rcv_skb+0x130/0x360 [ 4274.694524][ T10] netlink_unicast+0x449/0x710 [ 4274.694524][ T10] netlink_sendmsg+0x723/0xbe0 [ 4274.694524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4274.694524][ T10] ___sys_sendmsg+0xee/0x170 [ 4274.694524][ T10] __sys_sendmsg+0xcd/0x170 [ 4274.694524][ T10] do_syscall_64+0xc6/0x1e0 [ 4274.694524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4274.694524][ T10] [ 4274.696757][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4274.696757][ T10] netdev_get_by_index+0x5e/0x80 [ 4274.696757][ T10] fib6_nh_init+0x3d8/0x1580 [ 4274.696757][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4274.696757][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4274.696757][ T10] ipv6_add_addr+0x411/0x2000 [ 4274.696757][ T10] inet6_addr_add+0x30e/0xa40 [ 4274.696757][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4274.696757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4274.696757][ T10] netlink_rcv_skb+0x130/0x360 [ 4274.696757][ T10] netlink_unicast+0x449/0x710 [ 4274.696757][ T10] netlink_sendmsg+0x723/0xbe0 [ 4274.696757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4274.696757][ T10] ___sys_sendmsg+0xee/0x170 [ 4274.696757][ T10] __sys_sendmsg+0xcd/0x170 [ 4274.696757][ T10] do_syscall_64+0xc6/0x1e0 [ 4274.696757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4274.696757][ T10] [ 4274.698981][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4274.698981][ T10] netdev_get_by_index+0x5e/0x80 [ 4274.698981][ T10] fib6_nh_init+0x3d8/0x1580 [ 4274.698981][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4274.698981][ T10] ip6_route_add+0x1c/0x140 [ 4274.698981][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4274.698981][ T10] addrconf_add_dev+0xe2/0x170 [ 4274.698981][ T10] inet6_addr_add+0x12f/0xa40 [ 4274.698981][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4274.698981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4274.698981][ T10] netlink_rcv_skb+0x130/0x360 [ 4274.698981][ T10] netlink_unicast+0x449/0x710 [ 4274.698981][ T10] netlink_sendmsg+0x723/0xbe0 [ 4274.698981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4274.698981][ T10] ___sys_sendmsg+0xee/0x170 [ 4274.698981][ T10] __sys_sendmsg+0xcd/0x170 [ 4274.698981][ T10] do_syscall_64+0xc6/0x1e0 [ 4274.698981][ T10] [ 4274.701172][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4274.701172][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4274.701172][ T10] ipv6_find_idev+0x102/0x170 [ 4274.701172][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4274.701172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4274.701172][ T10] netlink_rcv_skb+0x130/0x360 [ 4274.701172][ T10] netlink_unicast+0x449/0x710 [ 4274.701172][ T10] netlink_sendmsg+0x723/0xbe0 [ 4274.701172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4274.701172][ T10] ___sys_sendmsg+0xee/0x170 [ 4274.701172][ T10] __sys_sendmsg+0xcd/0x170 [ 4274.701172][ T10] do_syscall_64+0xc6/0x1e0 [ 4274.701172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4274.701172][ T10] [ 4274.702884][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4274.702884][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4274.702884][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4274.702884][ T10] ipv6_find_idev+0x102/0x170 [ 4274.702884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4274.702884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4274.702884][ T10] netlink_rcv_skb+0x130/0x360 [ 4274.702884][ T10] netlink_unicast+0x449/0x710 [ 4274.702884][ T10] netlink_sendmsg+0x723/0xbe0 [ 4274.702884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4274.702884][ T10] ___sys_sendmsg+0xee/0x170 [ 4274.702884][ T10] __sys_sendmsg+0xcd/0x170 [ 4274.702884][ T10] do_syscall_64+0xc6/0x1e0 [ 4274.702884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4274.702884][ T10] [ 4280.545121][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4280.545603][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4280.545603][ T1167] dst_init+0x84/0x4a0 [ 4280.545603][ T1167] dst_alloc+0x97/0x150 [ 4280.545603][ T1167] ip6_dst_alloc+0x23/0x90 [ 4280.545603][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4280.545603][ T1167] ip6_pol_route+0x56f/0x840 [ 4280.545603][ T1167] fib6_rule_lookup+0x334/0x630 [ 4280.545603][ T1167] ip6_route_output_flags+0x259/0x480 [ 4280.545603][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4280.545603][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4280.545603][ T1167] netlink_rcv_skb+0x130/0x360 [ 4280.545603][ T1167] netlink_unicast+0x449/0x710 [ 4280.545603][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4280.545603][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4280.545603][ T1167] ___sys_sendmsg+0xee/0x170 [ 4280.545603][ T1167] __sys_sendmsg+0xcd/0x170 [ 4280.545603][ T1167] do_syscall_64+0xc6/0x1e0 [ 4280.545603][ T1167] [ 4280.547786][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4280.547786][ T1167] netdev_get_by_index+0x5e/0x80 [ 4280.547786][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4280.547786][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4280.547786][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4280.547786][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4280.547786][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4280.547786][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4280.547786][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4280.547786][ T1167] addrconf_dad_begin+0x310/0x670 [ 4280.547786][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4280.547786][ T1167] process_one_work+0x84d/0x18a0 [ 4280.547786][ T1167] worker_thread+0x587/0xd30 [ 4280.547786][ T1167] kthread+0x28a/0x350 [ 4280.547786][ T1167] ret_from_fork+0x31/0x70 [ 4280.547786][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4280.547786][ T1167] [ 4280.549930][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4280.549930][ T1167] netdev_get_by_index+0x5e/0x80 [ 4280.549930][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4280.549930][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4280.549930][ T1167] ip6_route_add+0x1c/0x140 [ 4280.549930][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4280.549930][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4280.549930][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4280.549930][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4280.549930][ T1167] netlink_rcv_skb+0x130/0x360 [ 4280.549930][ T1167] netlink_unicast+0x449/0x710 [ 4280.549930][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4280.549930][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4280.549930][ T1167] ___sys_sendmsg+0xee/0x170 [ 4280.549930][ T1167] __sys_sendmsg+0xcd/0x170 [ 4280.549930][ T1167] do_syscall_64+0xc6/0x1e0 [ 4280.549930][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4280.549930][ T1167] [ 4280.552145][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4280.552145][ T1167] netdev_get_by_index+0x5e/0x80 [ 4280.552145][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4280.552145][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4280.552145][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4280.552145][ T1167] ipv6_add_addr+0x411/0x2000 [ 4280.552145][ T1167] inet6_addr_add+0x30e/0xa40 [ 4280.552145][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4280.552145][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4280.552145][ T1167] netlink_rcv_skb+0x130/0x360 [ 4280.552145][ T1167] netlink_unicast+0x449/0x710 [ 4280.552145][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4280.552145][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4280.552145][ T1167] ___sys_sendmsg+0xee/0x170 [ 4280.552145][ T1167] __sys_sendmsg+0xcd/0x170 [ 4280.552145][ T1167] do_syscall_64+0xc6/0x1e0 [ 4280.552145][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4280.552145][ T1167] [ 4280.554367][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4280.554367][ T1167] netdev_get_by_index+0x5e/0x80 [ 4280.554367][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4280.554367][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4280.554367][ T1167] ip6_route_add+0x1c/0x140 [ 4280.554367][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4280.554367][ T1167] addrconf_add_dev+0xe2/0x170 [ 4280.554367][ T1167] inet6_addr_add+0x12f/0xa40 [ 4280.554367][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4280.554367][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4280.554367][ T1167] netlink_rcv_skb+0x130/0x360 [ 4280.554367][ T1167] netlink_unicast+0x449/0x710 [ 4280.554367][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4280.554367][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4280.554367][ T1167] ___sys_sendmsg+0xee/0x170 [ 4280.554367][ T1167] __sys_sendmsg+0xcd/0x170 [ 4280.554367][ T1167] do_syscall_64+0xc6/0x1e0 [ 4280.554367][ T1167] [ 4280.556552][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4280.556552][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4280.556552][ T1167] ipv6_find_idev+0x102/0x170 [ 4280.556552][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4280.556552][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4280.556552][ T1167] netlink_rcv_skb+0x130/0x360 [ 4280.556552][ T1167] netlink_unicast+0x449/0x710 [ 4280.556552][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4280.556552][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4280.556552][ T1167] ___sys_sendmsg+0xee/0x170 [ 4280.556552][ T1167] __sys_sendmsg+0xcd/0x170 [ 4280.556552][ T1167] do_syscall_64+0xc6/0x1e0 [ 4280.556552][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4280.556552][ T1167] [ 4280.558266][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4280.558266][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4280.558266][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4280.558266][ T1167] ipv6_find_idev+0x102/0x170 [ 4280.558266][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4280.558266][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4280.558266][ T1167] netlink_rcv_skb+0x130/0x360 [ 4280.558266][ T1167] netlink_unicast+0x449/0x710 [ 4280.558266][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4280.558266][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4280.558266][ T1167] ___sys_sendmsg+0xee/0x170 [ 4280.558266][ T1167] __sys_sendmsg+0xcd/0x170 [ 4280.558266][ T1167] do_syscall_64+0xc6/0x1e0 [ 4280.558266][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4280.558266][ T1167] [ 4284.945118][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4284.945528][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4284.945528][ T10] netdev_get_by_index+0x5e/0x80 [ 4284.945528][ T10] fib6_nh_init+0x3d8/0x1580 [ 4284.945528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4284.945528][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4284.945528][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4284.945528][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4284.945528][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4284.945528][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4284.945528][ T10] addrconf_dad_begin+0x310/0x670 [ 4284.945528][ T10] addrconf_dad_work+0x10b/0xab0 [ 4284.945528][ T10] process_one_work+0x84d/0x18a0 [ 4284.945528][ T10] worker_thread+0x587/0xd30 [ 4284.945528][ T10] kthread+0x28a/0x350 [ 4284.945528][ T10] ret_from_fork+0x31/0x70 [ 4284.945528][ T10] ret_from_fork_asm+0x1a/0x30 [ 4284.945528][ T10] [ 4284.947484][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4284.947484][ T10] netdev_get_by_index+0x5e/0x80 [ 4284.947484][ T10] fib6_nh_init+0x3d8/0x1580 [ 4284.947484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4284.947484][ T10] ip6_route_add+0x1c/0x140 [ 4284.947484][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4284.947484][ T10] inet6_addr_add+0x4f8/0xa40 [ 4284.947484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4284.947484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4284.947484][ T10] netlink_rcv_skb+0x130/0x360 [ 4284.947484][ T10] netlink_unicast+0x449/0x710 [ 4284.947484][ T10] netlink_sendmsg+0x723/0xbe0 [ 4284.947484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4284.947484][ T10] ___sys_sendmsg+0xee/0x170 [ 4284.947484][ T10] __sys_sendmsg+0xcd/0x170 [ 4284.947484][ T10] do_syscall_64+0xc6/0x1e0 [ 4284.947484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4284.947484][ T10] [ 4284.949478][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4284.949478][ T10] netdev_get_by_index+0x5e/0x80 [ 4284.949478][ T10] fib6_nh_init+0x3d8/0x1580 [ 4284.949478][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4284.949478][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4284.949478][ T10] ipv6_add_addr+0x411/0x2000 [ 4284.949478][ T10] inet6_addr_add+0x30e/0xa40 [ 4284.949478][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4284.949478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4284.949478][ T10] netlink_rcv_skb+0x130/0x360 [ 4284.949478][ T10] netlink_unicast+0x449/0x710 [ 4284.949478][ T10] netlink_sendmsg+0x723/0xbe0 [ 4284.949478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4284.949478][ T10] ___sys_sendmsg+0xee/0x170 [ 4284.949478][ T10] __sys_sendmsg+0xcd/0x170 [ 4284.949478][ T10] do_syscall_64+0xc6/0x1e0 [ 4284.949478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4284.949478][ T10] [ 4284.951459][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4284.951459][ T10] netdev_get_by_index+0x5e/0x80 [ 4284.951459][ T10] fib6_nh_init+0x3d8/0x1580 [ 4284.951459][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4284.951459][ T10] ip6_route_add+0x1c/0x140 [ 4284.951459][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4284.951459][ T10] addrconf_add_dev+0xe2/0x170 [ 4284.951459][ T10] inet6_addr_add+0x12f/0xa40 [ 4284.951459][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4284.951459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4284.951459][ T10] netlink_rcv_skb+0x130/0x360 [ 4284.951459][ T10] netlink_unicast+0x449/0x710 [ 4284.951459][ T10] netlink_sendmsg+0x723/0xbe0 [ 4284.951459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4284.951459][ T10] ___sys_sendmsg+0xee/0x170 [ 4284.951459][ T10] __sys_sendmsg+0xcd/0x170 [ 4284.951459][ T10] do_syscall_64+0xc6/0x1e0 [ 4284.951459][ T10] [ 4284.953417][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4284.953417][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4284.953417][ T10] ipv6_find_idev+0x102/0x170 [ 4284.953417][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4284.953417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4284.953417][ T10] netlink_rcv_skb+0x130/0x360 [ 4284.953417][ T10] netlink_unicast+0x449/0x710 [ 4284.953417][ T10] netlink_sendmsg+0x723/0xbe0 [ 4284.953417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4284.953417][ T10] ___sys_sendmsg+0xee/0x170 [ 4284.953417][ T10] __sys_sendmsg+0xcd/0x170 [ 4284.953417][ T10] do_syscall_64+0xc6/0x1e0 [ 4284.953417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4284.953417][ T10] [ 4284.954945][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4284.954945][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4284.954945][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4284.954945][ T10] ipv6_find_idev+0x102/0x170 [ 4284.954945][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4284.954945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4284.954945][ T10] netlink_rcv_skb+0x130/0x360 [ 4284.954945][ T10] netlink_unicast+0x449/0x710 [ 4284.954945][ T10] netlink_sendmsg+0x723/0xbe0 [ 4284.954945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4284.954945][ T10] ___sys_sendmsg+0xee/0x170 [ 4284.954945][ T10] __sys_sendmsg+0xcd/0x170 [ 4284.954945][ T10] do_syscall_64+0xc6/0x1e0 [ 4284.954945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4284.954945][ T10] [ 4284.956618][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4284.956873][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4284.956873][ T10] netdev_get_by_index+0x5e/0x80 [ 4284.956873][ T10] fib6_nh_init+0x3d8/0x1580 [ 4284.956873][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4284.956873][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4284.956873][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4284.956873][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4284.956873][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4284.956873][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4284.956873][ T10] addrconf_dad_begin+0x310/0x670 [ 4284.956873][ T10] addrconf_dad_work+0x10b/0xab0 [ 4284.956873][ T10] process_one_work+0x84d/0x18a0 [ 4284.956873][ T10] worker_thread+0x587/0xd30 [ 4284.956873][ T10] kthread+0x28a/0x350 [ 4284.956873][ T10] ret_from_fork+0x31/0x70 [ 4284.956873][ T10] ret_from_fork_asm+0x1a/0x30 [ 4284.956873][ T10] [ 4284.958780][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4284.958780][ T10] netdev_get_by_index+0x5e/0x80 [ 4284.958780][ T10] fib6_nh_init+0x3d8/0x1580 [ 4284.958780][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4284.958780][ T10] ip6_route_add+0x1c/0x140 [ 4284.958780][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4284.958780][ T10] inet6_addr_add+0x4f8/0xa40 [ 4284.958780][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4284.958780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4284.958780][ T10] netlink_rcv_skb+0x130/0x360 [ 4284.958780][ T10] netlink_unicast+0x449/0x710 [ 4284.958780][ T10] netlink_sendmsg+0x723/0xbe0 [ 4284.958780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4284.958780][ T10] ___sys_sendmsg+0xee/0x170 [ 4284.958780][ T10] __sys_sendmsg+0xcd/0x170 [ 4284.958780][ T10] do_syscall_64+0xc6/0x1e0 [ 4284.958780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4284.958780][ T10] [ 4284.960779][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4284.960779][ T10] netdev_get_by_index+0x5e/0x80 [ 4284.960779][ T10] fib6_nh_init+0x3d8/0x1580 [ 4284.960779][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4284.960779][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4284.960779][ T10] ipv6_add_addr+0x411/0x2000 [ 4284.960779][ T10] inet6_addr_add+0x30e/0xa40 [ 4284.960779][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4284.960779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4284.960779][ T10] netlink_rcv_skb+0x130/0x360 [ 4284.960779][ T10] netlink_unicast+0x449/0x710 [ 4284.960779][ T10] netlink_sendmsg+0x723/0xbe0 [ 4284.960779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4284.960779][ T10] ___sys_sendmsg+0xee/0x170 [ 4284.960779][ T10] __sys_sendmsg+0xcd/0x170 [ 4284.960779][ T10] do_syscall_64+0xc6/0x1e0 [ 4284.960779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4284.960779][ T10] [ 4284.962758][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4284.962758][ T10] netdev_get_by_index+0x5e/0x80 [ 4284.962758][ T10] fib6_nh_init+0x3d8/0x1580 [ 4284.962758][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4284.962758][ T10] ip6_route_add+0x1c/0x140 [ 4284.962758][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4284.962758][ T10] addrconf_add_dev+0xe2/0x170 [ 4284.962758][ T10] inet6_addr_add+0x12f/0xa40 [ 4284.962758][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4284.962758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4284.962758][ T10] netlink_rcv_skb+0x130/0x360 [ 4284.962758][ T10] netlink_unicast+0x449/0x710 [ 4284.962758][ T10] netlink_sendmsg+0x723/0xbe0 [ 4284.962758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4284.962758][ T10] ___sys_sendmsg+0xee/0x170 [ 4284.962758][ T10] __sys_sendmsg+0xcd/0x170 [ 4284.962758][ T10] do_syscall_64+0xc6/0x1e0 [ 4284.962758][ T10] [ 4284.964720][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4284.964720][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4284.964720][ T10] ipv6_find_idev+0x102/0x170 [ 4284.964720][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4284.964720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4284.964720][ T10] netlink_rcv_skb+0x130/0x360 [ 4284.964720][ T10] netlink_unicast+0x449/0x710 [ 4284.964720][ T10] netlink_sendmsg+0x723/0xbe0 [ 4284.964720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4284.964720][ T10] ___sys_sendmsg+0xee/0x170 [ 4284.964720][ T10] __sys_sendmsg+0xcd/0x170 [ 4284.964720][ T10] do_syscall_64+0xc6/0x1e0 [ 4284.964720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4284.964720][ T10] [ 4284.966268][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4284.966268][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4284.966268][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4284.966268][ T10] ipv6_find_idev+0x102/0x170 [ 4284.966268][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4284.966268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4284.966268][ T10] netlink_rcv_skb+0x130/0x360 [ 4284.966268][ T10] netlink_unicast+0x449/0x710 [ 4284.966268][ T10] netlink_sendmsg+0x723/0xbe0 [ 4284.966268][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4284.966268][ T10] ___sys_sendmsg+0xee/0x170 [ 4284.966268][ T10] __sys_sendmsg+0xcd/0x170 [ 4284.966268][ T10] do_syscall_64+0xc6/0x1e0 [ 4284.966268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4284.966268][ T10] [ 4284.967940][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4284.968182][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4284.968182][ T10] netdev_get_by_index+0x5e/0x80 [ 4284.968182][ T10] fib6_nh_init+0x3d8/0x1580 [ 4284.968182][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4284.968182][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4284.968182][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4284.968182][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4284.968182][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4284.968182][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4284.968182][ T10] addrconf_dad_begin+0x310/0x670 [ 4284.968182][ T10] addrconf_dad_work+0x10b/0xab0 [ 4284.968182][ T10] process_one_work+0x84d/0x18a0 [ 4284.968182][ T10] worker_thread+0x587/0xd30 [ 4284.968182][ T10] kthread+0x28a/0x350 [ 4284.968182][ T10] ret_from_fork+0x31/0x70 [ 4284.968182][ T10] ret_from_fork_asm+0x1a/0x30 [ 4284.968182][ T10] [ 4284.970079][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4284.970079][ T10] netdev_get_by_index+0x5e/0x80 [ 4284.970079][ T10] fib6_nh_init+0x3d8/0x1580 [ 4284.970079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4284.970079][ T10] ip6_route_add+0x1c/0x140 [ 4284.970079][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4284.970079][ T10] inet6_addr_add+0x4f8/0xa40 [ 4284.970079][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4284.970079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4284.970079][ T10] netlink_rcv_skb+0x130/0x360 [ 4284.970079][ T10] netlink_unicast+0x449/0x710 [ 4284.970079][ T10] netlink_sendmsg+0x723/0xbe0 [ 4284.970079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4284.970079][ T10] ___sys_sendmsg+0xee/0x170 [ 4284.970079][ T10] __sys_sendmsg+0xcd/0x170 [ 4284.970079][ T10] do_syscall_64+0xc6/0x1e0 [ 4284.970079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4284.970079][ T10] [ 4284.972128][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4284.972128][ T10] netdev_get_by_index+0x5e/0x80 [ 4284.972128][ T10] fib6_nh_init+0x3d8/0x1580 [ 4284.972128][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4284.972128][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4284.972128][ T10] ipv6_add_addr+0x411/0x2000 [ 4284.972128][ T10] inet6_addr_add+0x30e/0xa40 [ 4284.972128][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4284.972128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4284.972128][ T10] netlink_rcv_skb+0x130/0x360 [ 4284.972128][ T10] netlink_unicast+0x449/0x710 [ 4284.972128][ T10] netlink_sendmsg+0x723/0xbe0 [ 4284.972128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4284.972128][ T10] ___sys_sendmsg+0xee/0x170 [ 4284.972128][ T10] __sys_sendmsg+0xcd/0x170 [ 4284.972128][ T10] do_syscall_64+0xc6/0x1e0 [ 4284.972128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4284.972128][ T10] [ 4284.974304][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4284.974304][ T10] netdev_get_by_index+0x5e/0x80 [ 4284.974304][ T10] fib6_nh_init+0x3d8/0x1580 [ 4284.974304][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4284.974304][ T10] ip6_route_add+0x1c/0x140 [ 4284.974304][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4284.974304][ T10] addrconf_add_dev+0xe2/0x170 [ 4284.974304][ T10] inet6_addr_add+0x12f/0xa40 [ 4284.974304][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4284.974304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4284.974304][ T10] netlink_rcv_skb+0x130/0x360 [ 4284.974304][ T10] netlink_unicast+0x449/0x710 [ 4284.974304][ T10] netlink_sendmsg+0x723/0xbe0 [ 4284.974304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4284.974304][ T10] ___sys_sendmsg+0xee/0x170 [ 4284.974304][ T10] __sys_sendmsg+0xcd/0x170 [ 4284.974304][ T10] do_syscall_64+0xc6/0x1e0 [ 4284.974304][ T10] [ 4284.976310][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4284.976310][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4284.976310][ T10] ipv6_find_idev+0x102/0x170 [ 4284.976310][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4284.976310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4284.976310][ T10] netlink_rcv_skb+0x130/0x360 [ 4284.976310][ T10] netlink_unicast+0x449/0x710 [ 4284.976310][ T10] netlink_sendmsg+0x723/0xbe0 [ 4284.976310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4284.976310][ T10] ___sys_sendmsg+0xee/0x170 [ 4284.976310][ T10] __sys_sendmsg+0xcd/0x170 [ 4284.976310][ T10] do_syscall_64+0xc6/0x1e0 [ 4284.976310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4284.976310][ T10] [ 4284.977966][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4284.977966][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4284.977966][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4284.977966][ T10] ipv6_find_idev+0x102/0x170 [ 4284.977966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4284.977966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4284.977966][ T10] netlink_rcv_skb+0x130/0x360 [ 4284.977966][ T10] netlink_unicast+0x449/0x710 [ 4284.977966][ T10] netlink_sendmsg+0x723/0xbe0 [ 4284.977966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4284.977966][ T10] ___sys_sendmsg+0xee/0x170 [ 4284.977966][ T10] __sys_sendmsg+0xcd/0x170 [ 4284.977966][ T10] do_syscall_64+0xc6/0x1e0 [ 4284.977966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4284.977966][ T10] [ 4284.979763][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4284.980002][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4284.980002][ T10] netdev_get_by_index+0x5e/0x80 [ 4284.980002][ T10] fib6_nh_init+0x3d8/0x1580 [ 4284.980002][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4284.980002][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4284.980002][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4284.980002][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4284.980002][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4284.980002][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4284.980002][ T10] addrconf_dad_begin+0x310/0x670 [ 4284.980002][ T10] addrconf_dad_work+0x10b/0xab0 [ 4284.980002][ T10] process_one_work+0x84d/0x18a0 [ 4284.980002][ T10] worker_thread+0x587/0xd30 [ 4284.980002][ T10] kthread+0x28a/0x350 [ 4284.980002][ T10] ret_from_fork+0x31/0x70 [ 4284.980002][ T10] ret_from_fork_asm+0x1a/0x30 [ 4284.980002][ T10] [ 4284.982015][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4284.982015][ T10] netdev_get_by_index+0x5e/0x80 [ 4284.982015][ T10] fib6_nh_init+0x3d8/0x1580 [ 4284.982015][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4284.982015][ T10] ip6_route_add+0x1c/0x140 [ 4284.982015][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4284.982015][ T10] inet6_addr_add+0x4f8/0xa40 [ 4284.982015][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4284.982015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4284.982015][ T10] netlink_rcv_skb+0x130/0x360 [ 4284.982015][ T10] netlink_unicast+0x449/0x710 [ 4284.982015][ T10] netlink_sendmsg+0x723/0xbe0 [ 4284.982015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4284.982015][ T10] ___sys_sendmsg+0xee/0x170 [ 4284.982015][ T10] __sys_sendmsg+0xcd/0x170 [ 4284.982015][ T10] do_syscall_64+0xc6/0x1e0 [ 4284.982015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4284.982015][ T10] [ 4284.984069][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4284.984069][ T10] netdev_get_by_index+0x5e/0x80 [ 4284.984069][ T10] fib6_nh_init+0x3d8/0x1580 [ 4284.984069][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4284.984069][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4284.984069][ T10] ipv6_add_addr+0x411/0x2000 [ 4284.984069][ T10] inet6_addr_add+0x30e/0xa40 [ 4284.984069][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4284.984069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4284.984069][ T10] netlink_rcv_skb+0x130/0x360 [ 4284.984069][ T10] netlink_unicast+0x449/0x710 [ 4284.984069][ T10] netlink_sendmsg+0x723/0xbe0 [ 4284.984069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4284.984069][ T10] ___sys_sendmsg+0xee/0x170 [ 4284.984069][ T10] __sys_sendmsg+0xcd/0x170 [ 4284.984069][ T10] do_syscall_64+0xc6/0x1e0 [ 4284.984069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4284.984069][ T10] [ 4284.986189][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4284.986189][ T10] netdev_get_by_index+0x5e/0x80 [ 4284.986189][ T10] fib6_nh_init+0x3d8/0x1580 [ 4284.986189][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4284.986189][ T10] ip6_route_add+0x1c/0x140 [ 4284.986189][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4284.986189][ T10] addrconf_add_dev+0xe2/0x170 [ 4284.986189][ T10] inet6_addr_add+0x12f/0xa40 [ 4284.986189][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4284.986189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4284.986189][ T10] netlink_rcv_skb+0x130/0x360 [ 4284.986189][ T10] netlink_unicast+0x449/0x710 [ 4284.986189][ T10] netlink_sendmsg+0x723/0xbe0 [ 4284.986189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4284.986189][ T10] ___sys_sendmsg+0xee/0x170 [ 4284.986189][ T10] __sys_sendmsg+0xcd/0x170 [ 4284.986189][ T10] do_syscall_64+0xc6/0x1e0 [ 4284.986189][ T10] [ 4284.988263][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4284.988263][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4284.988263][ T10] ipv6_find_idev+0x102/0x170 [ 4284.988263][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4284.988263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4284.988263][ T10] netlink_rcv_skb+0x130/0x360 [ 4284.988263][ T10] netlink_unicast+0x449/0x710 [ 4284.988263][ T10] netlink_sendmsg+0x723/0xbe0 [ 4284.988263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4284.988263][ T10] ___sys_sendmsg+0xee/0x170 [ 4284.988263][ T10] __sys_sendmsg+0xcd/0x170 [ 4284.988263][ T10] do_syscall_64+0xc6/0x1e0 [ 4284.988263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4284.988263][ T10] [ 4284.989859][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4284.989859][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4284.989859][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4284.989859][ T10] ipv6_find_idev+0x102/0x170 [ 4284.989859][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4284.989859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4284.989859][ T10] netlink_rcv_skb+0x130/0x360 [ 4284.989859][ T10] netlink_unicast+0x449/0x710 [ 4284.989859][ T10] netlink_sendmsg+0x723/0xbe0 [ 4284.989859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4284.989859][ T10] ___sys_sendmsg+0xee/0x170 [ 4284.989859][ T10] __sys_sendmsg+0xcd/0x170 [ 4284.989859][ T10] do_syscall_64+0xc6/0x1e0 [ 4284.989859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4284.989859][ T10] [ 4290.801113][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4290.801597][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4290.801597][ T1167] dst_init+0x84/0x4a0 [ 4290.801597][ T1167] dst_alloc+0x97/0x150 [ 4290.801597][ T1167] ip6_dst_alloc+0x23/0x90 [ 4290.801597][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4290.801597][ T1167] ip6_pol_route+0x56f/0x840 [ 4290.801597][ T1167] fib6_rule_lookup+0x334/0x630 [ 4290.801597][ T1167] ip6_route_output_flags+0x259/0x480 [ 4290.801597][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4290.801597][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4290.801597][ T1167] netlink_rcv_skb+0x130/0x360 [ 4290.801597][ T1167] netlink_unicast+0x449/0x710 [ 4290.801597][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4290.801597][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4290.801597][ T1167] ___sys_sendmsg+0xee/0x170 [ 4290.801597][ T1167] __sys_sendmsg+0xcd/0x170 [ 4290.801597][ T1167] do_syscall_64+0xc6/0x1e0 [ 4290.801597][ T1167] [ 4290.803817][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4290.803817][ T1167] netdev_get_by_index+0x5e/0x80 [ 4290.803817][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4290.803817][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4290.803817][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4290.803817][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4290.803817][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4290.803817][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4290.803817][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4290.803817][ T1167] addrconf_dad_begin+0x310/0x670 [ 4290.803817][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4290.803817][ T1167] process_one_work+0x84d/0x18a0 [ 4290.803817][ T1167] worker_thread+0x587/0xd30 [ 4290.803817][ T1167] kthread+0x28a/0x350 [ 4290.803817][ T1167] ret_from_fork+0x31/0x70 [ 4290.803817][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4290.803817][ T1167] [ 4290.805964][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4290.805964][ T1167] netdev_get_by_index+0x5e/0x80 [ 4290.805964][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4290.805964][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4290.805964][ T1167] ip6_route_add+0x1c/0x140 [ 4290.805964][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4290.805964][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4290.805964][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4290.805964][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4290.805964][ T1167] netlink_rcv_skb+0x130/0x360 [ 4290.805964][ T1167] netlink_unicast+0x449/0x710 [ 4290.805964][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4290.805964][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4290.805964][ T1167] ___sys_sendmsg+0xee/0x170 [ 4290.805964][ T1167] __sys_sendmsg+0xcd/0x170 [ 4290.805964][ T1167] do_syscall_64+0xc6/0x1e0 [ 4290.805964][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4290.805964][ T1167] [ 4290.808764][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4290.808764][ T1167] netdev_get_by_index+0x5e/0x80 [ 4290.808764][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4290.808764][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4290.808764][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4290.808764][ T1167] ipv6_add_addr+0x411/0x2000 [ 4290.808764][ T1167] inet6_addr_add+0x30e/0xa40 [ 4290.808764][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4290.808764][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4290.808764][ T1167] netlink_rcv_skb+0x130/0x360 [ 4290.808764][ T1167] netlink_unicast+0x449/0x710 [ 4290.808764][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4290.808764][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4290.808764][ T1167] ___sys_sendmsg+0xee/0x170 [ 4290.808764][ T1167] __sys_sendmsg+0xcd/0x170 [ 4290.808764][ T1167] do_syscall_64+0xc6/0x1e0 [ 4290.808764][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4290.808764][ T1167] [ 4290.810999][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4290.810999][ T1167] netdev_get_by_index+0x5e/0x80 [ 4290.810999][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4290.810999][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4290.810999][ T1167] ip6_route_add+0x1c/0x140 [ 4290.810999][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4290.810999][ T1167] addrconf_add_dev+0xe2/0x170 [ 4290.810999][ T1167] inet6_addr_add+0x12f/0xa40 [ 4290.810999][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4290.810999][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4290.810999][ T1167] netlink_rcv_skb+0x130/0x360 [ 4290.810999][ T1167] netlink_unicast+0x449/0x710 [ 4290.810999][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4290.810999][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4290.810999][ T1167] ___sys_sendmsg+0xee/0x170 [ 4290.810999][ T1167] __sys_sendmsg+0xcd/0x170 [ 4290.810999][ T1167] do_syscall_64+0xc6/0x1e0 [ 4290.810999][ T1167] [ 4290.813211][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4290.813211][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4290.813211][ T1167] ipv6_find_idev+0x102/0x170 [ 4290.813211][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4290.813211][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4290.813211][ T1167] netlink_rcv_skb+0x130/0x360 [ 4290.813211][ T1167] netlink_unicast+0x449/0x710 [ 4290.813211][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4290.813211][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4290.813211][ T1167] ___sys_sendmsg+0xee/0x170 [ 4290.813211][ T1167] __sys_sendmsg+0xcd/0x170 [ 4290.813211][ T1167] do_syscall_64+0xc6/0x1e0 [ 4290.813211][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4290.813211][ T1167] [ 4290.814931][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4290.814931][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4290.814931][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4290.814931][ T1167] ipv6_find_idev+0x102/0x170 [ 4290.814931][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4290.814931][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4290.814931][ T1167] netlink_rcv_skb+0x130/0x360 [ 4290.814931][ T1167] netlink_unicast+0x449/0x710 [ 4290.814931][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4290.814931][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4290.814931][ T1167] ___sys_sendmsg+0xee/0x170 [ 4290.814931][ T1167] __sys_sendmsg+0xcd/0x170 [ 4290.814931][ T1167] do_syscall_64+0xc6/0x1e0 [ 4290.814931][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4290.814931][ T1167] [ 4295.233136][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4295.233556][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4295.233556][ T10] netdev_get_by_index+0x5e/0x80 [ 4295.233556][ T10] fib6_nh_init+0x3d8/0x1580 [ 4295.233556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4295.233556][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4295.233556][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4295.233556][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4295.233556][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4295.233556][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4295.233556][ T10] addrconf_dad_begin+0x310/0x670 [ 4295.233556][ T10] addrconf_dad_work+0x10b/0xab0 [ 4295.233556][ T10] process_one_work+0x84d/0x18a0 [ 4295.233556][ T10] worker_thread+0x587/0xd30 [ 4295.233556][ T10] kthread+0x28a/0x350 [ 4295.233556][ T10] ret_from_fork+0x31/0x70 [ 4295.233556][ T10] ret_from_fork_asm+0x1a/0x30 [ 4295.233556][ T10] [ 4295.235494][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4295.235494][ T10] netdev_get_by_index+0x5e/0x80 [ 4295.235494][ T10] fib6_nh_init+0x3d8/0x1580 [ 4295.235494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4295.235494][ T10] ip6_route_add+0x1c/0x140 [ 4295.235494][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4295.235494][ T10] inet6_addr_add+0x4f8/0xa40 [ 4295.235494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4295.235494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.235494][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.235494][ T10] netlink_unicast+0x449/0x710 [ 4295.235494][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.235494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.235494][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.235494][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.235494][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.235494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.235494][ T10] [ 4295.237494][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4295.237494][ T10] netdev_get_by_index+0x5e/0x80 [ 4295.237494][ T10] fib6_nh_init+0x3d8/0x1580 [ 4295.237494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4295.237494][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4295.237494][ T10] ipv6_add_addr+0x411/0x2000 [ 4295.237494][ T10] inet6_addr_add+0x30e/0xa40 [ 4295.237494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4295.237494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.237494][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.237494][ T10] netlink_unicast+0x449/0x710 [ 4295.237494][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.237494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.237494][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.237494][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.237494][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.237494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.237494][ T10] [ 4295.239512][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4295.239512][ T10] netdev_get_by_index+0x5e/0x80 [ 4295.239512][ T10] fib6_nh_init+0x3d8/0x1580 [ 4295.239512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4295.239512][ T10] ip6_route_add+0x1c/0x140 [ 4295.239512][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4295.239512][ T10] addrconf_add_dev+0xe2/0x170 [ 4295.239512][ T10] inet6_addr_add+0x12f/0xa40 [ 4295.239512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4295.239512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.239512][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.239512][ T10] netlink_unicast+0x449/0x710 [ 4295.239512][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.239512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.239512][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.239512][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.239512][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.239512][ T10] [ 4295.241477][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4295.241477][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4295.241477][ T10] ipv6_find_idev+0x102/0x170 [ 4295.241477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4295.241477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.241477][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.241477][ T10] netlink_unicast+0x449/0x710 [ 4295.241477][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.241477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.241477][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.241477][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.241477][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.241477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.241477][ T10] [ 4295.243028][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4295.243028][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4295.243028][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4295.243028][ T10] ipv6_find_idev+0x102/0x170 [ 4295.243028][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4295.243028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.243028][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.243028][ T10] netlink_unicast+0x449/0x710 [ 4295.243028][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.243028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.243028][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.243028][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.243028][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.243028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.243028][ T10] [ 4295.244758][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4295.245016][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4295.245016][ T10] netdev_get_by_index+0x5e/0x80 [ 4295.245016][ T10] fib6_nh_init+0x3d8/0x1580 [ 4295.245016][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4295.245016][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4295.245016][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4295.245016][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4295.245016][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4295.245016][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4295.245016][ T10] addrconf_dad_begin+0x310/0x670 [ 4295.245016][ T10] addrconf_dad_work+0x10b/0xab0 [ 4295.245016][ T10] process_one_work+0x84d/0x18a0 [ 4295.245016][ T10] worker_thread+0x587/0xd30 [ 4295.245016][ T10] kthread+0x28a/0x350 [ 4295.245016][ T10] ret_from_fork+0x31/0x70 [ 4295.245016][ T10] ret_from_fork_asm+0x1a/0x30 [ 4295.245016][ T10] [ 4295.247015][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4295.247015][ T10] netdev_get_by_index+0x5e/0x80 [ 4295.247015][ T10] fib6_nh_init+0x3d8/0x1580 [ 4295.247015][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4295.247015][ T10] ip6_route_add+0x1c/0x140 [ 4295.247015][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4295.247015][ T10] inet6_addr_add+0x4f8/0xa40 [ 4295.247015][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4295.247015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.247015][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.247015][ T10] netlink_unicast+0x449/0x710 [ 4295.247015][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.247015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.247015][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.247015][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.247015][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.247015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.247015][ T10] [ 4295.249040][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4295.249040][ T10] netdev_get_by_index+0x5e/0x80 [ 4295.249040][ T10] fib6_nh_init+0x3d8/0x1580 [ 4295.249040][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4295.249040][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4295.249040][ T10] ipv6_add_addr+0x411/0x2000 [ 4295.249040][ T10] inet6_addr_add+0x30e/0xa40 [ 4295.249040][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4295.249040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.249040][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.249040][ T10] netlink_unicast+0x449/0x710 [ 4295.249040][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.249040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.249040][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.249040][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.249040][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.249040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.249040][ T10] [ 4295.251407][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4295.251407][ T10] netdev_get_by_index+0x5e/0x80 [ 4295.251407][ T10] fib6_nh_init+0x3d8/0x1580 [ 4295.251407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4295.251407][ T10] ip6_route_add+0x1c/0x140 [ 4295.251407][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4295.251407][ T10] addrconf_add_dev+0xe2/0x170 [ 4295.251407][ T10] inet6_addr_add+0x12f/0xa40 [ 4295.251407][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4295.251407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.251407][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.251407][ T10] netlink_unicast+0x449/0x710 [ 4295.251407][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.251407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.251407][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.251407][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.251407][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.251407][ T10] [ 4295.253357][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4295.253357][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4295.253357][ T10] ipv6_find_idev+0x102/0x170 [ 4295.253357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4295.253357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.253357][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.253357][ T10] netlink_unicast+0x449/0x710 [ 4295.253357][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.253357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.253357][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.253357][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.253357][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.253357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.253357][ T10] [ 4295.254884][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4295.254884][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4295.254884][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4295.254884][ T10] ipv6_find_idev+0x102/0x170 [ 4295.254884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4295.254884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.254884][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.254884][ T10] netlink_unicast+0x449/0x710 [ 4295.254884][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.254884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.254884][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.254884][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.254884][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.254884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.254884][ T10] [ 4295.256568][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4295.256804][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4295.256804][ T10] netdev_get_by_index+0x5e/0x80 [ 4295.256804][ T10] fib6_nh_init+0x3d8/0x1580 [ 4295.256804][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4295.256804][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4295.256804][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4295.256804][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4295.256804][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4295.256804][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4295.256804][ T10] addrconf_dad_begin+0x310/0x670 [ 4295.256804][ T10] addrconf_dad_work+0x10b/0xab0 [ 4295.256804][ T10] process_one_work+0x84d/0x18a0 [ 4295.256804][ T10] worker_thread+0x587/0xd30 [ 4295.256804][ T10] kthread+0x28a/0x350 [ 4295.256804][ T10] ret_from_fork+0x31/0x70 [ 4295.256804][ T10] ret_from_fork_asm+0x1a/0x30 [ 4295.256804][ T10] [ 4295.258715][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4295.258715][ T10] netdev_get_by_index+0x5e/0x80 [ 4295.258715][ T10] fib6_nh_init+0x3d8/0x1580 [ 4295.258715][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4295.258715][ T10] ip6_route_add+0x1c/0x140 [ 4295.258715][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4295.258715][ T10] inet6_addr_add+0x4f8/0xa40 [ 4295.258715][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4295.258715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.258715][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.258715][ T10] netlink_unicast+0x449/0x710 [ 4295.258715][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.258715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.258715][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.258715][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.258715][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.258715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.258715][ T10] [ 4295.260885][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4295.260885][ T10] netdev_get_by_index+0x5e/0x80 [ 4295.260885][ T10] fib6_nh_init+0x3d8/0x1580 [ 4295.260885][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4295.260885][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4295.260885][ T10] ipv6_add_addr+0x411/0x2000 [ 4295.260885][ T10] inet6_addr_add+0x30e/0xa40 [ 4295.260885][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4295.260885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.260885][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.260885][ T10] netlink_unicast+0x449/0x710 [ 4295.260885][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.260885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.260885][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.260885][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.260885][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.260885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.260885][ T10] [ 4295.263187][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4295.263187][ T10] netdev_get_by_index+0x5e/0x80 [ 4295.263187][ T10] fib6_nh_init+0x3d8/0x1580 [ 4295.263187][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4295.263187][ T10] ip6_route_add+0x1c/0x140 [ 4295.263187][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4295.263187][ T10] addrconf_add_dev+0xe2/0x170 [ 4295.263187][ T10] inet6_addr_add+0x12f/0xa40 [ 4295.263187][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4295.263187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.263187][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.263187][ T10] netlink_unicast+0x449/0x710 [ 4295.263187][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.263187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.263187][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.263187][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.263187][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.263187][ T10] [ 4295.265321][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4295.265321][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4295.265321][ T10] ipv6_find_idev+0x102/0x170 [ 4295.265321][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4295.265321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.265321][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.265321][ T10] netlink_unicast+0x449/0x710 [ 4295.265321][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.265321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.265321][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.265321][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.265321][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.265321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.265321][ T10] [ 4295.267034][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4295.267034][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4295.267034][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4295.267034][ T10] ipv6_find_idev+0x102/0x170 [ 4295.267034][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4295.267034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.267034][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.267034][ T10] netlink_unicast+0x449/0x710 [ 4295.267034][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.267034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.267034][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.267034][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.267034][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.267034][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.267034][ T10] [ 4295.268966][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4295.269635][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4295.269635][ T10] netdev_get_by_index+0x5e/0x80 [ 4295.269635][ T10] fib6_nh_init+0x3d8/0x1580 [ 4295.269635][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4295.269635][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4295.269635][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4295.269635][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4295.269635][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4295.269635][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4295.269635][ T10] addrconf_dad_begin+0x310/0x670 [ 4295.269635][ T10] addrconf_dad_work+0x10b/0xab0 [ 4295.269635][ T10] process_one_work+0x84d/0x18a0 [ 4295.269635][ T10] worker_thread+0x587/0xd30 [ 4295.269635][ T10] kthread+0x28a/0x350 [ 4295.269635][ T10] ret_from_fork+0x31/0x70 [ 4295.269635][ T10] ret_from_fork_asm+0x1a/0x30 [ 4295.269635][ T10] [ 4295.271535][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4295.271535][ T10] netdev_get_by_index+0x5e/0x80 [ 4295.271535][ T10] fib6_nh_init+0x3d8/0x1580 [ 4295.271535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4295.271535][ T10] ip6_route_add+0x1c/0x140 [ 4295.271535][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4295.271535][ T10] inet6_addr_add+0x4f8/0xa40 [ 4295.271535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4295.271535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.271535][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.271535][ T10] netlink_unicast+0x449/0x710 [ 4295.271535][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.271535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.271535][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.271535][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.271535][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.271535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.271535][ T10] [ 4295.273638][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4295.273638][ T10] netdev_get_by_index+0x5e/0x80 [ 4295.273638][ T10] fib6_nh_init+0x3d8/0x1580 [ 4295.273638][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4295.273638][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4295.273638][ T10] ipv6_add_addr+0x411/0x2000 [ 4295.273638][ T10] inet6_addr_add+0x30e/0xa40 [ 4295.273638][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4295.273638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.273638][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.273638][ T10] netlink_unicast+0x449/0x710 [ 4295.273638][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.273638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.273638][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.273638][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.273638][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.273638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.273638][ T10] [ 4295.275879][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4295.275879][ T10] netdev_get_by_index+0x5e/0x80 [ 4295.275879][ T10] fib6_nh_init+0x3d8/0x1580 [ 4295.275879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4295.275879][ T10] ip6_route_add+0x1c/0x140 [ 4295.275879][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4295.275879][ T10] addrconf_add_dev+0xe2/0x170 [ 4295.275879][ T10] inet6_addr_add+0x12f/0xa40 [ 4295.275879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4295.275879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.275879][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.275879][ T10] netlink_unicast+0x449/0x710 [ 4295.275879][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.275879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.275879][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.275879][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.275879][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.275879][ T10] [ 4295.278083][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4295.278083][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4295.278083][ T10] ipv6_find_idev+0x102/0x170 [ 4295.278083][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4295.278083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.278083][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.278083][ T10] netlink_unicast+0x449/0x710 [ 4295.278083][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.278083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.278083][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.278083][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.278083][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.278083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.278083][ T10] [ 4295.279800][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4295.279800][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4295.279800][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4295.279800][ T10] ipv6_find_idev+0x102/0x170 [ 4295.279800][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4295.279800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.279800][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.279800][ T10] netlink_unicast+0x449/0x710 [ 4295.279800][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.279800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.279800][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.279800][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.279800][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.279800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.279800][ T10] [ 4301.057161][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4301.057639][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4301.057639][ T1167] dst_init+0x84/0x4a0 [ 4301.057639][ T1167] dst_alloc+0x97/0x150 [ 4301.057639][ T1167] ip6_dst_alloc+0x23/0x90 [ 4301.057639][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4301.057639][ T1167] ip6_pol_route+0x56f/0x840 [ 4301.057639][ T1167] fib6_rule_lookup+0x334/0x630 [ 4301.057639][ T1167] ip6_route_output_flags+0x259/0x480 [ 4301.057639][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4301.057639][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4301.057639][ T1167] netlink_rcv_skb+0x130/0x360 [ 4301.057639][ T1167] netlink_unicast+0x449/0x710 [ 4301.057639][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4301.057639][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4301.057639][ T1167] ___sys_sendmsg+0xee/0x170 [ 4301.057639][ T1167] __sys_sendmsg+0xcd/0x170 [ 4301.057639][ T1167] do_syscall_64+0xc6/0x1e0 [ 4301.057639][ T1167] [ 4301.059873][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4301.059873][ T1167] netdev_get_by_index+0x5e/0x80 [ 4301.059873][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4301.059873][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4301.059873][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4301.059873][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4301.059873][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4301.059873][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4301.059873][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4301.059873][ T1167] addrconf_dad_begin+0x310/0x670 [ 4301.059873][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4301.059873][ T1167] process_one_work+0x84d/0x18a0 [ 4301.059873][ T1167] worker_thread+0x587/0xd30 [ 4301.059873][ T1167] kthread+0x28a/0x350 [ 4301.059873][ T1167] ret_from_fork+0x31/0x70 [ 4301.059873][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4301.059873][ T1167] [ 4301.062021][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4301.062021][ T1167] netdev_get_by_index+0x5e/0x80 [ 4301.062021][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4301.062021][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4301.062021][ T1167] ip6_route_add+0x1c/0x140 [ 4301.062021][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4301.062021][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4301.062021][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4301.062021][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4301.062021][ T1167] netlink_rcv_skb+0x130/0x360 [ 4301.062021][ T1167] netlink_unicast+0x449/0x710 [ 4301.062021][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4301.062021][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4301.062021][ T1167] ___sys_sendmsg+0xee/0x170 [ 4301.062021][ T1167] __sys_sendmsg+0xcd/0x170 [ 4301.062021][ T1167] do_syscall_64+0xc6/0x1e0 [ 4301.062021][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4301.062021][ T1167] [ 4301.064394][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4301.064394][ T1167] netdev_get_by_index+0x5e/0x80 [ 4301.064394][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4301.064394][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4301.064394][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4301.064394][ T1167] ipv6_add_addr+0x411/0x2000 [ 4301.064394][ T1167] inet6_addr_add+0x30e/0xa40 [ 4301.064394][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4301.064394][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4301.064394][ T1167] netlink_rcv_skb+0x130/0x360 [ 4301.064394][ T1167] netlink_unicast+0x449/0x710 [ 4301.064394][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4301.064394][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4301.064394][ T1167] ___sys_sendmsg+0xee/0x170 [ 4301.064394][ T1167] __sys_sendmsg+0xcd/0x170 [ 4301.064394][ T1167] do_syscall_64+0xc6/0x1e0 [ 4301.064394][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4301.064394][ T1167] [ 4301.066650][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4301.066650][ T1167] netdev_get_by_index+0x5e/0x80 [ 4301.066650][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4301.066650][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4301.066650][ T1167] ip6_route_add+0x1c/0x140 [ 4301.066650][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4301.066650][ T1167] addrconf_add_dev+0xe2/0x170 [ 4301.066650][ T1167] inet6_addr_add+0x12f/0xa40 [ 4301.066650][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4301.066650][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4301.066650][ T1167] netlink_rcv_skb+0x130/0x360 [ 4301.066650][ T1167] netlink_unicast+0x449/0x710 [ 4301.066650][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4301.066650][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4301.066650][ T1167] ___sys_sendmsg+0xee/0x170 [ 4301.066650][ T1167] __sys_sendmsg+0xcd/0x170 [ 4301.066650][ T1167] do_syscall_64+0xc6/0x1e0 [ 4301.066650][ T1167] [ 4301.068891][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4301.068891][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4301.068891][ T1167] ipv6_find_idev+0x102/0x170 [ 4301.068891][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4301.068891][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4301.068891][ T1167] netlink_rcv_skb+0x130/0x360 [ 4301.068891][ T1167] netlink_unicast+0x449/0x710 [ 4301.068891][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4301.068891][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4301.068891][ T1167] ___sys_sendmsg+0xee/0x170 [ 4301.068891][ T1167] __sys_sendmsg+0xcd/0x170 [ 4301.068891][ T1167] do_syscall_64+0xc6/0x1e0 [ 4301.068891][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4301.068891][ T1167] [ 4301.070617][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4301.070617][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4301.070617][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4301.070617][ T1167] ipv6_find_idev+0x102/0x170 [ 4301.070617][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4301.070617][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4301.070617][ T1167] netlink_rcv_skb+0x130/0x360 [ 4301.070617][ T1167] netlink_unicast+0x449/0x710 [ 4301.070617][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4301.070617][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4301.070617][ T1167] ___sys_sendmsg+0xee/0x170 [ 4301.070617][ T1167] __sys_sendmsg+0xcd/0x170 [ 4301.070617][ T1167] do_syscall_64+0xc6/0x1e0 [ 4301.070617][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4301.070617][ T1167] [ 4305.385154][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4305.385539][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4305.385539][ T10] netdev_get_by_index+0x5e/0x80 [ 4305.385539][ T10] fib6_nh_init+0x3d8/0x1580 [ 4305.385539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4305.385539][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4305.385539][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4305.385539][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4305.385539][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4305.385539][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4305.385539][ T10] addrconf_dad_begin+0x310/0x670 [ 4305.385539][ T10] addrconf_dad_work+0x10b/0xab0 [ 4305.385539][ T10] process_one_work+0x84d/0x18a0 [ 4305.385539][ T10] worker_thread+0x587/0xd30 [ 4305.385539][ T10] kthread+0x28a/0x350 [ 4305.385539][ T10] ret_from_fork+0x31/0x70 [ 4305.385539][ T10] ret_from_fork_asm+0x1a/0x30 [ 4305.385539][ T10] [ 4305.387533][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4305.387533][ T10] netdev_get_by_index+0x5e/0x80 [ 4305.387533][ T10] fib6_nh_init+0x3d8/0x1580 [ 4305.387533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4305.387533][ T10] ip6_route_add+0x1c/0x140 [ 4305.387533][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4305.387533][ T10] inet6_addr_add+0x4f8/0xa40 [ 4305.387533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4305.387533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4305.387533][ T10] netlink_rcv_skb+0x130/0x360 [ 4305.387533][ T10] netlink_unicast+0x449/0x710 [ 4305.387533][ T10] netlink_sendmsg+0x723/0xbe0 [ 4305.387533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4305.387533][ T10] ___sys_sendmsg+0xee/0x170 [ 4305.387533][ T10] __sys_sendmsg+0xcd/0x170 [ 4305.387533][ T10] do_syscall_64+0xc6/0x1e0 [ 4305.387533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4305.387533][ T10] [ 4305.389568][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4305.389568][ T10] netdev_get_by_index+0x5e/0x80 [ 4305.389568][ T10] fib6_nh_init+0x3d8/0x1580 [ 4305.389568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4305.389568][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4305.389568][ T10] ipv6_add_addr+0x411/0x2000 [ 4305.389568][ T10] inet6_addr_add+0x30e/0xa40 [ 4305.389568][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4305.389568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4305.389568][ T10] netlink_rcv_skb+0x130/0x360 [ 4305.389568][ T10] netlink_unicast+0x449/0x710 [ 4305.389568][ T10] netlink_sendmsg+0x723/0xbe0 [ 4305.389568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4305.389568][ T10] ___sys_sendmsg+0xee/0x170 [ 4305.389568][ T10] __sys_sendmsg+0xcd/0x170 [ 4305.389568][ T10] do_syscall_64+0xc6/0x1e0 [ 4305.389568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4305.389568][ T10] [ 4305.391585][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4305.391585][ T10] netdev_get_by_index+0x5e/0x80 [ 4305.391585][ T10] fib6_nh_init+0x3d8/0x1580 [ 4305.391585][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4305.391585][ T10] ip6_route_add+0x1c/0x140 [ 4305.391585][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4305.391585][ T10] addrconf_add_dev+0xe2/0x170 [ 4305.391585][ T10] inet6_addr_add+0x12f/0xa40 [ 4305.391585][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4305.391585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4305.391585][ T10] netlink_rcv_skb+0x130/0x360 [ 4305.391585][ T10] netlink_unicast+0x449/0x710 [ 4305.391585][ T10] netlink_sendmsg+0x723/0xbe0 [ 4305.391585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4305.391585][ T10] ___sys_sendmsg+0xee/0x170 [ 4305.391585][ T10] __sys_sendmsg+0xcd/0x170 [ 4305.391585][ T10] do_syscall_64+0xc6/0x1e0 [ 4305.391585][ T10] [ 4305.393555][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4305.393555][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4305.393555][ T10] ipv6_find_idev+0x102/0x170 [ 4305.393555][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4305.393555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4305.393555][ T10] netlink_rcv_skb+0x130/0x360 [ 4305.393555][ T10] netlink_unicast+0x449/0x710 [ 4305.393555][ T10] netlink_sendmsg+0x723/0xbe0 [ 4305.393555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4305.393555][ T10] ___sys_sendmsg+0xee/0x170 [ 4305.393555][ T10] __sys_sendmsg+0xcd/0x170 [ 4305.393555][ T10] do_syscall_64+0xc6/0x1e0 [ 4305.393555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4305.393555][ T10] [ 4305.395111][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4305.395111][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4305.395111][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4305.395111][ T10] ipv6_find_idev+0x102/0x170 [ 4305.395111][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4305.395111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4305.395111][ T10] netlink_rcv_skb+0x130/0x360 [ 4305.395111][ T10] netlink_unicast+0x449/0x710 [ 4305.395111][ T10] netlink_sendmsg+0x723/0xbe0 [ 4305.395111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4305.395111][ T10] ___sys_sendmsg+0xee/0x170 [ 4305.395111][ T10] __sys_sendmsg+0xcd/0x170 [ 4305.395111][ T10] do_syscall_64+0xc6/0x1e0 [ 4305.395111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4305.395111][ T10] [ 4305.396827][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4305.397092][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4305.397092][ T10] netdev_get_by_index+0x5e/0x80 [ 4305.397092][ T10] fib6_nh_init+0x3d8/0x1580 [ 4305.397092][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4305.397092][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4305.397092][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4305.397092][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4305.397092][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4305.397092][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4305.397092][ T10] addrconf_dad_begin+0x310/0x670 [ 4305.397092][ T10] addrconf_dad_work+0x10b/0xab0 [ 4305.397092][ T10] process_one_work+0x84d/0x18a0 [ 4305.397092][ T10] worker_thread+0x587/0xd30 [ 4305.397092][ T10] kthread+0x28a/0x350 [ 4305.397092][ T10] ret_from_fork+0x31/0x70 [ 4305.397092][ T10] ret_from_fork_asm+0x1a/0x30 [ 4305.397092][ T10] [ 4305.399022][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4305.399022][ T10] netdev_get_by_index+0x5e/0x80 [ 4305.399022][ T10] fib6_nh_init+0x3d8/0x1580 [ 4305.399022][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4305.399022][ T10] ip6_route_add+0x1c/0x140 [ 4305.399022][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4305.399022][ T10] inet6_addr_add+0x4f8/0xa40 [ 4305.399022][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4305.399022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4305.399022][ T10] netlink_rcv_skb+0x130/0x360 [ 4305.399022][ T10] netlink_unicast+0x449/0x710 [ 4305.399022][ T10] netlink_sendmsg+0x723/0xbe0 [ 4305.399022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4305.399022][ T10] ___sys_sendmsg+0xee/0x170 [ 4305.399022][ T10] __sys_sendmsg+0xcd/0x170 [ 4305.399022][ T10] do_syscall_64+0xc6/0x1e0 [ 4305.399022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4305.399022][ T10] [ 4305.401059][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4305.401059][ T10] netdev_get_by_index+0x5e/0x80 [ 4305.401059][ T10] fib6_nh_init+0x3d8/0x1580 [ 4305.401059][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4305.401059][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4305.401059][ T10] ipv6_add_addr+0x411/0x2000 [ 4305.401059][ T10] inet6_addr_add+0x30e/0xa40 [ 4305.401059][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4305.401059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4305.401059][ T10] netlink_rcv_skb+0x130/0x360 [ 4305.401059][ T10] netlink_unicast+0x449/0x710 [ 4305.401059][ T10] netlink_sendmsg+0x723/0xbe0 [ 4305.401059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4305.401059][ T10] ___sys_sendmsg+0xee/0x170 [ 4305.401059][ T10] __sys_sendmsg+0xcd/0x170 [ 4305.401059][ T10] do_syscall_64+0xc6/0x1e0 [ 4305.401059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4305.401059][ T10] [ 4305.403089][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4305.403089][ T10] netdev_get_by_index+0x5e/0x80 [ 4305.403089][ T10] fib6_nh_init+0x3d8/0x1580 [ 4305.403089][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4305.403089][ T10] ip6_route_add+0x1c/0x140 [ 4305.403089][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4305.403089][ T10] addrconf_add_dev+0xe2/0x170 [ 4305.403089][ T10] inet6_addr_add+0x12f/0xa40 [ 4305.403089][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4305.403089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4305.403089][ T10] netlink_rcv_skb+0x130/0x360 [ 4305.403089][ T10] netlink_unicast+0x449/0x710 [ 4305.403089][ T10] netlink_sendmsg+0x723/0xbe0 [ 4305.403089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4305.403089][ T10] ___sys_sendmsg+0xee/0x170 [ 4305.403089][ T10] __sys_sendmsg+0xcd/0x170 [ 4305.403089][ T10] do_syscall_64+0xc6/0x1e0 [ 4305.403089][ T10] [ 4305.405084][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4305.405084][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4305.405084][ T10] ipv6_find_idev+0x102/0x170 [ 4305.405084][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4305.405084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4305.405084][ T10] netlink_rcv_skb+0x130/0x360 [ 4305.405084][ T10] netlink_unicast+0x449/0x710 [ 4305.405084][ T10] netlink_sendmsg+0x723/0xbe0 [ 4305.405084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4305.405084][ T10] ___sys_sendmsg+0xee/0x170 [ 4305.405084][ T10] __sys_sendmsg+0xcd/0x170 [ 4305.405084][ T10] do_syscall_64+0xc6/0x1e0 [ 4305.405084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4305.405084][ T10] [ 4305.406646][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4305.406646][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4305.406646][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4305.406646][ T10] ipv6_find_idev+0x102/0x170 [ 4305.406646][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4305.406646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4305.406646][ T10] netlink_rcv_skb+0x130/0x360 [ 4305.406646][ T10] netlink_unicast+0x449/0x710 [ 4305.406646][ T10] netlink_sendmsg+0x723/0xbe0 [ 4305.406646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4305.406646][ T10] ___sys_sendmsg+0xee/0x170 [ 4305.406646][ T10] __sys_sendmsg+0xcd/0x170 [ 4305.406646][ T10] do_syscall_64+0xc6/0x1e0 [ 4305.406646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4305.406646][ T10] [ 4305.408364][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4305.408613][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4305.408613][ T10] netdev_get_by_index+0x5e/0x80 [ 4305.408613][ T10] fib6_nh_init+0x3d8/0x1580 [ 4305.408613][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4305.408613][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4305.408613][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4305.408613][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4305.408613][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4305.408613][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4305.408613][ T10] addrconf_dad_begin+0x310/0x670 [ 4305.408613][ T10] addrconf_dad_work+0x10b/0xab0 [ 4305.408613][ T10] process_one_work+0x84d/0x18a0 [ 4305.408613][ T10] worker_thread+0x587/0xd30 [ 4305.408613][ T10] kthread+0x28a/0x350 [ 4305.408613][ T10] ret_from_fork+0x31/0x70 [ 4305.408613][ T10] ret_from_fork_asm+0x1a/0x30 [ 4305.408613][ T10] [ 4305.410573][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4305.410573][ T10] netdev_get_by_index+0x5e/0x80 [ 4305.410573][ T10] fib6_nh_init+0x3d8/0x1580 [ 4305.410573][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4305.410573][ T10] ip6_route_add+0x1c/0x140 [ 4305.410573][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4305.410573][ T10] inet6_addr_add+0x4f8/0xa40 [ 4305.410573][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4305.410573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4305.410573][ T10] netlink_rcv_skb+0x130/0x360 [ 4305.410573][ T10] netlink_unicast+0x449/0x710 [ 4305.410573][ T10] netlink_sendmsg+0x723/0xbe0 [ 4305.410573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4305.410573][ T10] ___sys_sendmsg+0xee/0x170 [ 4305.410573][ T10] __sys_sendmsg+0xcd/0x170 [ 4305.410573][ T10] do_syscall_64+0xc6/0x1e0 [ 4305.410573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4305.410573][ T10] [ 4305.412722][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4305.412722][ T10] netdev_get_by_index+0x5e/0x80 [ 4305.412722][ T10] fib6_nh_init+0x3d8/0x1580 [ 4305.412722][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4305.412722][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4305.412722][ T10] ipv6_add_addr+0x411/0x2000 [ 4305.412722][ T10] inet6_addr_add+0x30e/0xa40 [ 4305.412722][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4305.412722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4305.412722][ T10] netlink_rcv_skb+0x130/0x360 [ 4305.412722][ T10] netlink_unicast+0x449/0x710 [ 4305.412722][ T10] netlink_sendmsg+0x723/0xbe0 [ 4305.412722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4305.412722][ T10] ___sys_sendmsg+0xee/0x170 [ 4305.412722][ T10] __sys_sendmsg+0xcd/0x170 [ 4305.412722][ T10] do_syscall_64+0xc6/0x1e0 [ 4305.412722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4305.412722][ T10] [ 4305.415045][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4305.415045][ T10] netdev_get_by_index+0x5e/0x80 [ 4305.415045][ T10] fib6_nh_init+0x3d8/0x1580 [ 4305.415045][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4305.415045][ T10] ip6_route_add+0x1c/0x140 [ 4305.415045][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4305.415045][ T10] addrconf_add_dev+0xe2/0x170 [ 4305.415045][ T10] inet6_addr_add+0x12f/0xa40 [ 4305.415045][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4305.415045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4305.415045][ T10] netlink_rcv_skb+0x130/0x360 [ 4305.415045][ T10] netlink_unicast+0x449/0x710 [ 4305.415045][ T10] netlink_sendmsg+0x723/0xbe0 [ 4305.415045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4305.415045][ T10] ___sys_sendmsg+0xee/0x170 [ 4305.415045][ T10] __sys_sendmsg+0xcd/0x170 [ 4305.415045][ T10] do_syscall_64+0xc6/0x1e0 [ 4305.415045][ T10] [ 4305.417284][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4305.417284][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4305.417284][ T10] ipv6_find_idev+0x102/0x170 [ 4305.417284][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4305.417284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4305.417284][ T10] netlink_rcv_skb+0x130/0x360 [ 4305.417284][ T10] netlink_unicast+0x449/0x710 [ 4305.417284][ T10] netlink_sendmsg+0x723/0xbe0 [ 4305.417284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4305.417284][ T10] ___sys_sendmsg+0xee/0x170 [ 4305.417284][ T10] __sys_sendmsg+0xcd/0x170 [ 4305.417284][ T10] do_syscall_64+0xc6/0x1e0 [ 4305.417284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4305.417284][ T10] [ 4305.419049][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4305.419049][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4305.419049][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4305.419049][ T10] ipv6_find_idev+0x102/0x170 [ 4305.419049][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4305.419049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4305.419049][ T10] netlink_rcv_skb+0x130/0x360 [ 4305.419049][ T10] netlink_unicast+0x449/0x710 [ 4305.419049][ T10] netlink_sendmsg+0x723/0xbe0 [ 4305.419049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4305.419049][ T10] ___sys_sendmsg+0xee/0x170 [ 4305.419049][ T10] __sys_sendmsg+0xcd/0x170 [ 4305.419049][ T10] do_syscall_64+0xc6/0x1e0 [ 4305.419049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4305.419049][ T10] [ 4305.420937][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4305.421629][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4305.421629][ T10] netdev_get_by_index+0x5e/0x80 [ 4305.421629][ T10] fib6_nh_init+0x3d8/0x1580 [ 4305.421629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4305.421629][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4305.421629][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4305.421629][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4305.421629][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4305.421629][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4305.421629][ T10] addrconf_dad_begin+0x310/0x670 [ 4305.421629][ T10] addrconf_dad_work+0x10b/0xab0 [ 4305.421629][ T10] process_one_work+0x84d/0x18a0 [ 4305.421629][ T10] worker_thread+0x587/0xd30 [ 4305.421629][ T10] kthread+0x28a/0x350 [ 4305.421629][ T10] ret_from_fork+0x31/0x70 [ 4305.421629][ T10] ret_from_fork_asm+0x1a/0x30 [ 4305.421629][ T10] [ 4305.423554][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4305.423554][ T10] netdev_get_by_index+0x5e/0x80 [ 4305.423554][ T10] fib6_nh_init+0x3d8/0x1580 [ 4305.423554][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4305.423554][ T10] ip6_route_add+0x1c/0x140 [ 4305.423554][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4305.423554][ T10] inet6_addr_add+0x4f8/0xa40 [ 4305.423554][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4305.423554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4305.423554][ T10] netlink_rcv_skb+0x130/0x360 [ 4305.423554][ T10] netlink_unicast+0x449/0x710 [ 4305.423554][ T10] netlink_sendmsg+0x723/0xbe0 [ 4305.423554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4305.423554][ T10] ___sys_sendmsg+0xee/0x170 [ 4305.423554][ T10] __sys_sendmsg+0xcd/0x170 [ 4305.423554][ T10] do_syscall_64+0xc6/0x1e0 [ 4305.423554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4305.423554][ T10] [ 4305.425706][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4305.425706][ T10] netdev_get_by_index+0x5e/0x80 [ 4305.425706][ T10] fib6_nh_init+0x3d8/0x1580 [ 4305.425706][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4305.425706][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4305.425706][ T10] ipv6_add_addr+0x411/0x2000 [ 4305.425706][ T10] inet6_addr_add+0x30e/0xa40 [ 4305.425706][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4305.425706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4305.425706][ T10] netlink_rcv_skb+0x130/0x360 [ 4305.425706][ T10] netlink_unicast+0x449/0x710 [ 4305.425706][ T10] netlink_sendmsg+0x723/0xbe0 [ 4305.425706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4305.425706][ T10] ___sys_sendmsg+0xee/0x170 [ 4305.425706][ T10] __sys_sendmsg+0xcd/0x170 [ 4305.425706][ T10] do_syscall_64+0xc6/0x1e0 [ 4305.425706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4305.425706][ T10] [ 4305.427855][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4305.427855][ T10] netdev_get_by_index+0x5e/0x80 [ 4305.427855][ T10] fib6_nh_init+0x3d8/0x1580 [ 4305.427855][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4305.427855][ T10] ip6_route_add+0x1c/0x140 [ 4305.427855][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4305.427855][ T10] addrconf_add_dev+0xe2/0x170 [ 4305.427855][ T10] inet6_addr_add+0x12f/0xa40 [ 4305.427855][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4305.427855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4305.427855][ T10] netlink_rcv_skb+0x130/0x360 [ 4305.427855][ T10] netlink_unicast+0x449/0x710 [ 4305.427855][ T10] netlink_sendmsg+0x723/0xbe0 [ 4305.427855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4305.427855][ T10] ___sys_sendmsg+0xee/0x170 [ 4305.427855][ T10] __sys_sendmsg+0xcd/0x170 [ 4305.427855][ T10] do_syscall_64+0xc6/0x1e0 [ 4305.427855][ T10] [ 4305.429975][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4305.429975][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4305.429975][ T10] ipv6_find_idev+0x102/0x170 [ 4305.429975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4305.429975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4305.429975][ T10] netlink_rcv_skb+0x130/0x360 [ 4305.429975][ T10] netlink_unicast+0x449/0x710 [ 4305.429975][ T10] netlink_sendmsg+0x723/0xbe0 [ 4305.429975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4305.429975][ T10] ___sys_sendmsg+0xee/0x170 [ 4305.429975][ T10] __sys_sendmsg+0xcd/0x170 [ 4305.429975][ T10] do_syscall_64+0xc6/0x1e0 [ 4305.429975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4305.429975][ T10] [ 4305.431590][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4305.431590][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4305.431590][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4305.431590][ T10] ipv6_find_idev+0x102/0x170 [ 4305.431590][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4305.431590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4305.431590][ T10] netlink_rcv_skb+0x130/0x360 [ 4305.431590][ T10] netlink_unicast+0x449/0x710 [ 4305.431590][ T10] netlink_sendmsg+0x723/0xbe0 [ 4305.431590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4305.431590][ T10] ___sys_sendmsg+0xee/0x170 [ 4305.431590][ T10] __sys_sendmsg+0xcd/0x170 [ 4305.431590][ T10] do_syscall_64+0xc6/0x1e0 [ 4305.431590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4305.431590][ T10] [ 4311.201107][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4311.201602][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4311.201602][ T1167] dst_init+0x84/0x4a0 [ 4311.201602][ T1167] dst_alloc+0x97/0x150 [ 4311.201602][ T1167] ip6_dst_alloc+0x23/0x90 [ 4311.201602][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4311.201602][ T1167] ip6_pol_route+0x56f/0x840 [ 4311.201602][ T1167] fib6_rule_lookup+0x334/0x630 [ 4311.201602][ T1167] ip6_route_output_flags+0x259/0x480 [ 4311.201602][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4311.201602][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4311.201602][ T1167] netlink_rcv_skb+0x130/0x360 [ 4311.201602][ T1167] netlink_unicast+0x449/0x710 [ 4311.201602][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4311.201602][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4311.201602][ T1167] ___sys_sendmsg+0xee/0x170 [ 4311.201602][ T1167] __sys_sendmsg+0xcd/0x170 [ 4311.201602][ T1167] do_syscall_64+0xc6/0x1e0 [ 4311.201602][ T1167] [ 4311.203808][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4311.203808][ T1167] netdev_get_by_index+0x5e/0x80 [ 4311.203808][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4311.203808][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4311.203808][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4311.203808][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4311.203808][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4311.203808][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4311.203808][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4311.203808][ T1167] addrconf_dad_begin+0x310/0x670 [ 4311.203808][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4311.203808][ T1167] process_one_work+0x84d/0x18a0 [ 4311.203808][ T1167] worker_thread+0x587/0xd30 [ 4311.203808][ T1167] kthread+0x28a/0x350 [ 4311.203808][ T1167] ret_from_fork+0x31/0x70 [ 4311.203808][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4311.203808][ T1167] [ 4311.205945][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4311.205945][ T1167] netdev_get_by_index+0x5e/0x80 [ 4311.205945][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4311.205945][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4311.205945][ T1167] ip6_route_add+0x1c/0x140 [ 4311.205945][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4311.205945][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4311.205945][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4311.205945][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4311.205945][ T1167] netlink_rcv_skb+0x130/0x360 [ 4311.205945][ T1167] netlink_unicast+0x449/0x710 [ 4311.205945][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4311.205945][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4311.205945][ T1167] ___sys_sendmsg+0xee/0x170 [ 4311.205945][ T1167] __sys_sendmsg+0xcd/0x170 [ 4311.205945][ T1167] do_syscall_64+0xc6/0x1e0 [ 4311.205945][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4311.205945][ T1167] [ 4311.208197][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4311.208197][ T1167] netdev_get_by_index+0x5e/0x80 [ 4311.208197][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4311.208197][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4311.208197][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4311.208197][ T1167] ipv6_add_addr+0x411/0x2000 [ 4311.208197][ T1167] inet6_addr_add+0x30e/0xa40 [ 4311.208197][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4311.208197][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4311.208197][ T1167] netlink_rcv_skb+0x130/0x360 [ 4311.208197][ T1167] netlink_unicast+0x449/0x710 [ 4311.208197][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4311.208197][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4311.208197][ T1167] ___sys_sendmsg+0xee/0x170 [ 4311.208197][ T1167] __sys_sendmsg+0xcd/0x170 [ 4311.208197][ T1167] do_syscall_64+0xc6/0x1e0 [ 4311.208197][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4311.208197][ T1167] [ 4311.210427][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4311.210427][ T1167] netdev_get_by_index+0x5e/0x80 [ 4311.210427][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4311.210427][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4311.210427][ T1167] ip6_route_add+0x1c/0x140 [ 4311.210427][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4311.210427][ T1167] addrconf_add_dev+0xe2/0x170 [ 4311.210427][ T1167] inet6_addr_add+0x12f/0xa40 [ 4311.210427][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4311.210427][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4311.210427][ T1167] netlink_rcv_skb+0x130/0x360 [ 4311.210427][ T1167] netlink_unicast+0x449/0x710 [ 4311.210427][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4311.210427][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4311.210427][ T1167] ___sys_sendmsg+0xee/0x170 [ 4311.210427][ T1167] __sys_sendmsg+0xcd/0x170 [ 4311.210427][ T1167] do_syscall_64+0xc6/0x1e0 [ 4311.210427][ T1167] [ 4311.212614][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4311.212614][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4311.212614][ T1167] ipv6_find_idev+0x102/0x170 [ 4311.212614][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4311.212614][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4311.212614][ T1167] netlink_rcv_skb+0x130/0x360 [ 4311.212614][ T1167] netlink_unicast+0x449/0x710 [ 4311.212614][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4311.212614][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4311.212614][ T1167] ___sys_sendmsg+0xee/0x170 [ 4311.212614][ T1167] __sys_sendmsg+0xcd/0x170 [ 4311.212614][ T1167] do_syscall_64+0xc6/0x1e0 [ 4311.212614][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4311.212614][ T1167] [ 4311.214326][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4311.214326][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4311.214326][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4311.214326][ T1167] ipv6_find_idev+0x102/0x170 [ 4311.214326][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4311.214326][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4311.214326][ T1167] netlink_rcv_skb+0x130/0x360 [ 4311.214326][ T1167] netlink_unicast+0x449/0x710 [ 4311.214326][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4311.214326][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4311.214326][ T1167] ___sys_sendmsg+0xee/0x170 [ 4311.214326][ T1167] __sys_sendmsg+0xcd/0x170 [ 4311.214326][ T1167] do_syscall_64+0xc6/0x1e0 [ 4311.214326][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4311.214326][ T1167] [ 4315.553125][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4315.553547][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4315.553547][ T10] netdev_get_by_index+0x5e/0x80 [ 4315.553547][ T10] fib6_nh_init+0x3d8/0x1580 [ 4315.553547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4315.553547][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4315.553547][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4315.553547][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4315.553547][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4315.553547][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4315.553547][ T10] addrconf_dad_begin+0x310/0x670 [ 4315.553547][ T10] addrconf_dad_work+0x10b/0xab0 [ 4315.553547][ T10] process_one_work+0x84d/0x18a0 [ 4315.553547][ T10] worker_thread+0x587/0xd30 [ 4315.553547][ T10] kthread+0x28a/0x350 [ 4315.553547][ T10] ret_from_fork+0x31/0x70 [ 4315.553547][ T10] ret_from_fork_asm+0x1a/0x30 [ 4315.553547][ T10] [ 4315.555527][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4315.555527][ T10] netdev_get_by_index+0x5e/0x80 [ 4315.555527][ T10] fib6_nh_init+0x3d8/0x1580 [ 4315.555527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4315.555527][ T10] ip6_route_add+0x1c/0x140 [ 4315.555527][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4315.555527][ T10] inet6_addr_add+0x4f8/0xa40 [ 4315.555527][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4315.555527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4315.555527][ T10] netlink_rcv_skb+0x130/0x360 [ 4315.555527][ T10] netlink_unicast+0x449/0x710 [ 4315.555527][ T10] netlink_sendmsg+0x723/0xbe0 [ 4315.555527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4315.555527][ T10] ___sys_sendmsg+0xee/0x170 [ 4315.555527][ T10] __sys_sendmsg+0xcd/0x170 [ 4315.555527][ T10] do_syscall_64+0xc6/0x1e0 [ 4315.555527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4315.555527][ T10] [ 4315.557545][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4315.557545][ T10] netdev_get_by_index+0x5e/0x80 [ 4315.557545][ T10] fib6_nh_init+0x3d8/0x1580 [ 4315.557545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4315.557545][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4315.557545][ T10] ipv6_add_addr+0x411/0x2000 [ 4315.557545][ T10] inet6_addr_add+0x30e/0xa40 [ 4315.557545][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4315.557545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4315.557545][ T10] netlink_rcv_skb+0x130/0x360 [ 4315.557545][ T10] netlink_unicast+0x449/0x710 [ 4315.557545][ T10] netlink_sendmsg+0x723/0xbe0 [ 4315.557545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4315.557545][ T10] ___sys_sendmsg+0xee/0x170 [ 4315.557545][ T10] __sys_sendmsg+0xcd/0x170 [ 4315.557545][ T10] do_syscall_64+0xc6/0x1e0 [ 4315.557545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4315.557545][ T10] [ 4315.561718][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4315.561718][ T10] netdev_get_by_index+0x5e/0x80 [ 4315.561718][ T10] fib6_nh_init+0x3d8/0x1580 [ 4315.561718][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4315.561718][ T10] ip6_route_add+0x1c/0x140 [ 4315.561718][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4315.561718][ T10] addrconf_add_dev+0xe2/0x170 [ 4315.561718][ T10] inet6_addr_add+0x12f/0xa40 [ 4315.561718][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4315.561718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4315.561718][ T10] netlink_rcv_skb+0x130/0x360 [ 4315.561718][ T10] netlink_unicast+0x449/0x710 [ 4315.561718][ T10] netlink_sendmsg+0x723/0xbe0 [ 4315.561718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4315.561718][ T10] ___sys_sendmsg+0xee/0x170 [ 4315.561718][ T10] __sys_sendmsg+0xcd/0x170 [ 4315.561718][ T10] do_syscall_64+0xc6/0x1e0 [ 4315.561718][ T10] [ 4315.563707][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4315.563707][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4315.563707][ T10] ipv6_find_idev+0x102/0x170 [ 4315.563707][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4315.563707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4315.563707][ T10] netlink_rcv_skb+0x130/0x360 [ 4315.563707][ T10] netlink_unicast+0x449/0x710 [ 4315.563707][ T10] netlink_sendmsg+0x723/0xbe0 [ 4315.563707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4315.563707][ T10] ___sys_sendmsg+0xee/0x170 [ 4315.563707][ T10] __sys_sendmsg+0xcd/0x170 [ 4315.563707][ T10] do_syscall_64+0xc6/0x1e0 [ 4315.563707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4315.563707][ T10] [ 4315.565266][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4315.565266][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4315.565266][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4315.565266][ T10] ipv6_find_idev+0x102/0x170 [ 4315.565266][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4315.565266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4315.565266][ T10] netlink_rcv_skb+0x130/0x360 [ 4315.565266][ T10] netlink_unicast+0x449/0x710 [ 4315.565266][ T10] netlink_sendmsg+0x723/0xbe0 [ 4315.565266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4315.565266][ T10] ___sys_sendmsg+0xee/0x170 [ 4315.565266][ T10] __sys_sendmsg+0xcd/0x170 [ 4315.565266][ T10] do_syscall_64+0xc6/0x1e0 [ 4315.565266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4315.565266][ T10] [ 4315.567015][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4315.567278][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4315.567278][ T10] netdev_get_by_index+0x5e/0x80 [ 4315.567278][ T10] fib6_nh_init+0x3d8/0x1580 [ 4315.567278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4315.567278][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4315.567278][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4315.567278][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4315.567278][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4315.567278][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4315.567278][ T10] addrconf_dad_begin+0x310/0x670 [ 4315.567278][ T10] addrconf_dad_work+0x10b/0xab0 [ 4315.567278][ T10] process_one_work+0x84d/0x18a0 [ 4315.567278][ T10] worker_thread+0x587/0xd30 [ 4315.567278][ T10] kthread+0x28a/0x350 [ 4315.567278][ T10] ret_from_fork+0x31/0x70 [ 4315.567278][ T10] ret_from_fork_asm+0x1a/0x30 [ 4315.567278][ T10] [ 4315.569239][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4315.569239][ T10] netdev_get_by_index+0x5e/0x80 [ 4315.569239][ T10] fib6_nh_init+0x3d8/0x1580 [ 4315.569239][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4315.569239][ T10] ip6_route_add+0x1c/0x140 [ 4315.569239][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4315.569239][ T10] inet6_addr_add+0x4f8/0xa40 [ 4315.569239][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4315.569239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4315.569239][ T10] netlink_rcv_skb+0x130/0x360 [ 4315.569239][ T10] netlink_unicast+0x449/0x710 [ 4315.569239][ T10] netlink_sendmsg+0x723/0xbe0 [ 4315.569239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4315.569239][ T10] ___sys_sendmsg+0xee/0x170 [ 4315.569239][ T10] __sys_sendmsg+0xcd/0x170 [ 4315.569239][ T10] do_syscall_64+0xc6/0x1e0 [ 4315.569239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4315.569239][ T10] [ 4315.571273][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4315.571273][ T10] netdev_get_by_index+0x5e/0x80 [ 4315.571273][ T10] fib6_nh_init+0x3d8/0x1580 [ 4315.571273][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4315.571273][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4315.571273][ T10] ipv6_add_addr+0x411/0x2000 [ 4315.571273][ T10] inet6_addr_add+0x30e/0xa40 [ 4315.571273][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4315.571273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4315.571273][ T10] netlink_rcv_skb+0x130/0x360 [ 4315.571273][ T10] netlink_unicast+0x449/0x710 [ 4315.571273][ T10] netlink_sendmsg+0x723/0xbe0 [ 4315.571273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4315.571273][ T10] ___sys_sendmsg+0xee/0x170 [ 4315.571273][ T10] __sys_sendmsg+0xcd/0x170 [ 4315.571273][ T10] do_syscall_64+0xc6/0x1e0 [ 4315.571273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4315.571273][ T10] [ 4315.573281][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4315.573281][ T10] netdev_get_by_index+0x5e/0x80 [ 4315.573281][ T10] fib6_nh_init+0x3d8/0x1580 [ 4315.573281][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4315.573281][ T10] ip6_route_add+0x1c/0x140 [ 4315.573281][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4315.573281][ T10] addrconf_add_dev+0xe2/0x170 [ 4315.573281][ T10] inet6_addr_add+0x12f/0xa40 [ 4315.573281][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4315.573281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4315.573281][ T10] netlink_rcv_skb+0x130/0x360 [ 4315.573281][ T10] netlink_unicast+0x449/0x710 [ 4315.573281][ T10] netlink_sendmsg+0x723/0xbe0 [ 4315.573281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4315.573281][ T10] ___sys_sendmsg+0xee/0x170 [ 4315.573281][ T10] __sys_sendmsg+0xcd/0x170 [ 4315.573281][ T10] do_syscall_64+0xc6/0x1e0 [ 4315.573281][ T10] [ 4315.575278][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4315.575278][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4315.575278][ T10] ipv6_find_idev+0x102/0x170 [ 4315.575278][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4315.575278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4315.575278][ T10] netlink_rcv_skb+0x130/0x360 [ 4315.575278][ T10] netlink_unicast+0x449/0x710 [ 4315.575278][ T10] netlink_sendmsg+0x723/0xbe0 [ 4315.575278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4315.575278][ T10] ___sys_sendmsg+0xee/0x170 [ 4315.575278][ T10] __sys_sendmsg+0xcd/0x170 [ 4315.575278][ T10] do_syscall_64+0xc6/0x1e0 [ 4315.575278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4315.575278][ T10] [ 4315.576823][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4315.576823][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4315.576823][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4315.576823][ T10] ipv6_find_idev+0x102/0x170 [ 4315.576823][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4315.576823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4315.576823][ T10] netlink_rcv_skb+0x130/0x360 [ 4315.576823][ T10] netlink_unicast+0x449/0x710 [ 4315.576823][ T10] netlink_sendmsg+0x723/0xbe0 [ 4315.576823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4315.576823][ T10] ___sys_sendmsg+0xee/0x170 [ 4315.576823][ T10] __sys_sendmsg+0xcd/0x170 [ 4315.576823][ T10] do_syscall_64+0xc6/0x1e0 [ 4315.576823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4315.576823][ T10] [ 4315.578545][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4315.578800][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4315.578800][ T10] netdev_get_by_index+0x5e/0x80 [ 4315.578800][ T10] fib6_nh_init+0x3d8/0x1580 [ 4315.578800][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4315.578800][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4315.578800][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4315.578800][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4315.578800][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4315.578800][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4315.578800][ T10] addrconf_dad_begin+0x310/0x670 [ 4315.578800][ T10] addrconf_dad_work+0x10b/0xab0 [ 4315.578800][ T10] process_one_work+0x84d/0x18a0 [ 4315.578800][ T10] worker_thread+0x587/0xd30 [ 4315.578800][ T10] kthread+0x28a/0x350 [ 4315.578800][ T10] ret_from_fork+0x31/0x70 [ 4315.578800][ T10] ret_from_fork_asm+0x1a/0x30 [ 4315.578800][ T10] [ 4315.580728][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4315.580728][ T10] netdev_get_by_index+0x5e/0x80 [ 4315.580728][ T10] fib6_nh_init+0x3d8/0x1580 [ 4315.580728][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4315.580728][ T10] ip6_route_add+0x1c/0x140 [ 4315.580728][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4315.580728][ T10] inet6_addr_add+0x4f8/0xa40 [ 4315.580728][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4315.580728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4315.580728][ T10] netlink_rcv_skb+0x130/0x360 [ 4315.580728][ T10] netlink_unicast+0x449/0x710 [ 4315.580728][ T10] netlink_sendmsg+0x723/0xbe0 [ 4315.580728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4315.580728][ T10] ___sys_sendmsg+0xee/0x170 [ 4315.580728][ T10] __sys_sendmsg+0xcd/0x170 [ 4315.580728][ T10] do_syscall_64+0xc6/0x1e0 [ 4315.580728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4315.580728][ T10] [ 4315.582862][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4315.582862][ T10] netdev_get_by_index+0x5e/0x80 [ 4315.582862][ T10] fib6_nh_init+0x3d8/0x1580 [ 4315.582862][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4315.582862][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4315.582862][ T10] ipv6_add_addr+0x411/0x2000 [ 4315.582862][ T10] inet6_addr_add+0x30e/0xa40 [ 4315.582862][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4315.582862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4315.582862][ T10] netlink_rcv_skb+0x130/0x360 [ 4315.582862][ T10] netlink_unicast+0x449/0x710 [ 4315.582862][ T10] netlink_sendmsg+0x723/0xbe0 [ 4315.582862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4315.582862][ T10] ___sys_sendmsg+0xee/0x170 [ 4315.582862][ T10] __sys_sendmsg+0xcd/0x170 [ 4315.582862][ T10] do_syscall_64+0xc6/0x1e0 [ 4315.582862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4315.582862][ T10] [ 4315.585005][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4315.585005][ T10] netdev_get_by_index+0x5e/0x80 [ 4315.585005][ T10] fib6_nh_init+0x3d8/0x1580 [ 4315.585005][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4315.585005][ T10] ip6_route_add+0x1c/0x140 [ 4315.585005][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4315.585005][ T10] addrconf_add_dev+0xe2/0x170 [ 4315.585005][ T10] inet6_addr_add+0x12f/0xa40 [ 4315.585005][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4315.585005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4315.585005][ T10] netlink_rcv_skb+0x130/0x360 [ 4315.585005][ T10] netlink_unicast+0x449/0x710 [ 4315.585005][ T10] netlink_sendmsg+0x723/0xbe0 [ 4315.585005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4315.585005][ T10] ___sys_sendmsg+0xee/0x170 [ 4315.585005][ T10] __sys_sendmsg+0xcd/0x170 [ 4315.585005][ T10] do_syscall_64+0xc6/0x1e0 [ 4315.585005][ T10] [ 4315.587106][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4315.587106][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4315.587106][ T10] ipv6_find_idev+0x102/0x170 [ 4315.587106][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4315.587106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4315.587106][ T10] netlink_rcv_skb+0x130/0x360 [ 4315.587106][ T10] netlink_unicast+0x449/0x710 [ 4315.587106][ T10] netlink_sendmsg+0x723/0xbe0 [ 4315.587106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4315.587106][ T10] ___sys_sendmsg+0xee/0x170 [ 4315.587106][ T10] __sys_sendmsg+0xcd/0x170 [ 4315.587106][ T10] do_syscall_64+0xc6/0x1e0 [ 4315.587106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4315.587106][ T10] [ 4315.588784][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4315.588784][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4315.588784][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4315.588784][ T10] ipv6_find_idev+0x102/0x170 [ 4315.588784][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4315.588784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4315.588784][ T10] netlink_rcv_skb+0x130/0x360 [ 4315.588784][ T10] netlink_unicast+0x449/0x710 [ 4315.588784][ T10] netlink_sendmsg+0x723/0xbe0 [ 4315.588784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4315.588784][ T10] ___sys_sendmsg+0xee/0x170 [ 4315.588784][ T10] __sys_sendmsg+0xcd/0x170 [ 4315.588784][ T10] do_syscall_64+0xc6/0x1e0 [ 4315.588784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4315.588784][ T10] [ 4315.590548][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4315.590786][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4315.590786][ T10] netdev_get_by_index+0x5e/0x80 [ 4315.590786][ T10] fib6_nh_init+0x3d8/0x1580 [ 4315.590786][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4315.590786][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4315.590786][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4315.590786][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4315.590786][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4315.590786][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4315.590786][ T10] addrconf_dad_begin+0x310/0x670 [ 4315.590786][ T10] addrconf_dad_work+0x10b/0xab0 [ 4315.590786][ T10] process_one_work+0x84d/0x18a0 [ 4315.590786][ T10] worker_thread+0x587/0xd30 [ 4315.590786][ T10] kthread+0x28a/0x350 [ 4315.590786][ T10] ret_from_fork+0x31/0x70 [ 4315.590786][ T10] ret_from_fork_asm+0x1a/0x30 [ 4315.590786][ T10] [ 4315.592848][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4315.592848][ T10] netdev_get_by_index+0x5e/0x80 [ 4315.592848][ T10] fib6_nh_init+0x3d8/0x1580 [ 4315.592848][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4315.592848][ T10] ip6_route_add+0x1c/0x140 [ 4315.592848][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4315.592848][ T10] inet6_addr_add+0x4f8/0xa40 [ 4315.592848][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4315.592848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4315.592848][ T10] netlink_rcv_skb+0x130/0x360 [ 4315.592848][ T10] netlink_unicast+0x449/0x710 [ 4315.592848][ T10] netlink_sendmsg+0x723/0xbe0 [ 4315.592848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4315.592848][ T10] ___sys_sendmsg+0xee/0x170 [ 4315.592848][ T10] __sys_sendmsg+0xcd/0x170 [ 4315.592848][ T10] do_syscall_64+0xc6/0x1e0 [ 4315.592848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4315.592848][ T10] [ 4315.594987][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4315.594987][ T10] netdev_get_by_index+0x5e/0x80 [ 4315.594987][ T10] fib6_nh_init+0x3d8/0x1580 [ 4315.594987][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4315.594987][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4315.594987][ T10] ipv6_add_addr+0x411/0x2000 [ 4315.594987][ T10] inet6_addr_add+0x30e/0xa40 [ 4315.594987][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4315.594987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4315.594987][ T10] netlink_rcv_skb+0x130/0x360 [ 4315.594987][ T10] netlink_unicast+0x449/0x710 [ 4315.594987][ T10] netlink_sendmsg+0x723/0xbe0 [ 4315.594987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4315.594987][ T10] ___sys_sendmsg+0xee/0x170 [ 4315.594987][ T10] __sys_sendmsg+0xcd/0x170 [ 4315.594987][ T10] do_syscall_64+0xc6/0x1e0 [ 4315.594987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4315.594987][ T10] [ 4315.597152][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4315.597152][ T10] netdev_get_by_index+0x5e/0x80 [ 4315.597152][ T10] fib6_nh_init+0x3d8/0x1580 [ 4315.597152][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4315.597152][ T10] ip6_route_add+0x1c/0x140 [ 4315.597152][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4315.597152][ T10] addrconf_add_dev+0xe2/0x170 [ 4315.597152][ T10] inet6_addr_add+0x12f/0xa40 [ 4315.597152][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4315.597152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4315.597152][ T10] netlink_rcv_skb+0x130/0x360 [ 4315.597152][ T10] netlink_unicast+0x449/0x710 [ 4315.597152][ T10] netlink_sendmsg+0x723/0xbe0 [ 4315.597152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4315.597152][ T10] ___sys_sendmsg+0xee/0x170 [ 4315.597152][ T10] __sys_sendmsg+0xcd/0x170 [ 4315.597152][ T10] do_syscall_64+0xc6/0x1e0 [ 4315.597152][ T10] [ 4315.599331][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4315.599331][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4315.599331][ T10] ipv6_find_idev+0x102/0x170 [ 4315.599331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4315.599331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4315.599331][ T10] netlink_rcv_skb+0x130/0x360 [ 4315.599331][ T10] netlink_unicast+0x449/0x710 [ 4315.599331][ T10] netlink_sendmsg+0x723/0xbe0 [ 4315.599331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4315.599331][ T10] ___sys_sendmsg+0xee/0x170 [ 4315.599331][ T10] __sys_sendmsg+0xcd/0x170 [ 4315.599331][ T10] do_syscall_64+0xc6/0x1e0 [ 4315.599331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4315.599331][ T10] [ 4315.600946][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4315.600946][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4315.600946][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4315.600946][ T10] ipv6_find_idev+0x102/0x170 [ 4315.600946][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4315.600946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4315.600946][ T10] netlink_rcv_skb+0x130/0x360 [ 4315.600946][ T10] netlink_unicast+0x449/0x710 [ 4315.600946][ T10] netlink_sendmsg+0x723/0xbe0 [ 4315.600946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4315.600946][ T10] ___sys_sendmsg+0xee/0x170 [ 4315.600946][ T10] __sys_sendmsg+0xcd/0x170 [ 4315.600946][ T10] do_syscall_64+0xc6/0x1e0 [ 4315.600946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4315.600946][ T10] [ 4321.465135][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4321.465613][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4321.465613][ T1167] dst_init+0x84/0x4a0 [ 4321.465613][ T1167] dst_alloc+0x97/0x150 [ 4321.465613][ T1167] ip6_dst_alloc+0x23/0x90 [ 4321.465613][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4321.465613][ T1167] ip6_pol_route+0x56f/0x840 [ 4321.465613][ T1167] fib6_rule_lookup+0x334/0x630 [ 4321.465613][ T1167] ip6_route_output_flags+0x259/0x480 [ 4321.465613][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4321.465613][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4321.465613][ T1167] netlink_rcv_skb+0x130/0x360 [ 4321.465613][ T1167] netlink_unicast+0x449/0x710 [ 4321.465613][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4321.465613][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4321.465613][ T1167] ___sys_sendmsg+0xee/0x170 [ 4321.465613][ T1167] __sys_sendmsg+0xcd/0x170 [ 4321.465613][ T1167] do_syscall_64+0xc6/0x1e0 [ 4321.465613][ T1167] [ 4321.467824][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4321.467824][ T1167] netdev_get_by_index+0x5e/0x80 [ 4321.467824][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4321.467824][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4321.467824][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4321.467824][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4321.467824][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4321.467824][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4321.467824][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4321.467824][ T1167] addrconf_dad_begin+0x310/0x670 [ 4321.467824][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4321.467824][ T1167] process_one_work+0x84d/0x18a0 [ 4321.467824][ T1167] worker_thread+0x587/0xd30 [ 4321.467824][ T1167] kthread+0x28a/0x350 [ 4321.467824][ T1167] ret_from_fork+0x31/0x70 [ 4321.467824][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4321.467824][ T1167] [ 4321.469961][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4321.469961][ T1167] netdev_get_by_index+0x5e/0x80 [ 4321.469961][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4321.469961][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4321.469961][ T1167] ip6_route_add+0x1c/0x140 [ 4321.469961][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4321.469961][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4321.469961][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4321.469961][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4321.469961][ T1167] netlink_rcv_skb+0x130/0x360 [ 4321.469961][ T1167] netlink_unicast+0x449/0x710 [ 4321.469961][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4321.469961][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4321.469961][ T1167] ___sys_sendmsg+0xee/0x170 [ 4321.469961][ T1167] __sys_sendmsg+0xcd/0x170 [ 4321.469961][ T1167] do_syscall_64+0xc6/0x1e0 [ 4321.469961][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4321.469961][ T1167] [ 4321.472186][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4321.472186][ T1167] netdev_get_by_index+0x5e/0x80 [ 4321.472186][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4321.472186][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4321.472186][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4321.472186][ T1167] ipv6_add_addr+0x411/0x2000 [ 4321.472186][ T1167] inet6_addr_add+0x30e/0xa40 [ 4321.472186][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4321.472186][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4321.472186][ T1167] netlink_rcv_skb+0x130/0x360 [ 4321.472186][ T1167] netlink_unicast+0x449/0x710 [ 4321.472186][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4321.472186][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4321.472186][ T1167] ___sys_sendmsg+0xee/0x170 [ 4321.472186][ T1167] __sys_sendmsg+0xcd/0x170 [ 4321.472186][ T1167] do_syscall_64+0xc6/0x1e0 [ 4321.472186][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4321.472186][ T1167] [ 4321.474407][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4321.474407][ T1167] netdev_get_by_index+0x5e/0x80 [ 4321.474407][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4321.474407][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4321.474407][ T1167] ip6_route_add+0x1c/0x140 [ 4321.474407][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4321.474407][ T1167] addrconf_add_dev+0xe2/0x170 [ 4321.474407][ T1167] inet6_addr_add+0x12f/0xa40 [ 4321.474407][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4321.474407][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4321.474407][ T1167] netlink_rcv_skb+0x130/0x360 [ 4321.474407][ T1167] netlink_unicast+0x449/0x710 [ 4321.474407][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4321.474407][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4321.474407][ T1167] ___sys_sendmsg+0xee/0x170 [ 4321.474407][ T1167] __sys_sendmsg+0xcd/0x170 [ 4321.474407][ T1167] do_syscall_64+0xc6/0x1e0 [ 4321.474407][ T1167] [ 4321.476592][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4321.476592][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4321.476592][ T1167] ipv6_find_idev+0x102/0x170 [ 4321.476592][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4321.476592][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4321.476592][ T1167] netlink_rcv_skb+0x130/0x360 [ 4321.476592][ T1167] netlink_unicast+0x449/0x710 [ 4321.476592][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4321.476592][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4321.476592][ T1167] ___sys_sendmsg+0xee/0x170 [ 4321.476592][ T1167] __sys_sendmsg+0xcd/0x170 [ 4321.476592][ T1167] do_syscall_64+0xc6/0x1e0 [ 4321.476592][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4321.476592][ T1167] [ 4321.478318][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4321.478318][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4321.478318][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4321.478318][ T1167] ipv6_find_idev+0x102/0x170 [ 4321.478318][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4321.478318][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4321.478318][ T1167] netlink_rcv_skb+0x130/0x360 [ 4321.478318][ T1167] netlink_unicast+0x449/0x710 [ 4321.478318][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4321.478318][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4321.478318][ T1167] ___sys_sendmsg+0xee/0x170 [ 4321.478318][ T1167] __sys_sendmsg+0xcd/0x170 [ 4321.478318][ T1167] do_syscall_64+0xc6/0x1e0 [ 4321.478318][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4321.478318][ T1167] [ 4325.641122][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4325.641568][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4325.641568][ T10] netdev_get_by_index+0x5e/0x80 [ 4325.641568][ T10] fib6_nh_init+0x3d8/0x1580 [ 4325.641568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4325.641568][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4325.641568][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4325.641568][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4325.641568][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4325.641568][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4325.641568][ T10] addrconf_dad_begin+0x310/0x670 [ 4325.641568][ T10] addrconf_dad_work+0x10b/0xab0 [ 4325.641568][ T10] process_one_work+0x84d/0x18a0 [ 4325.641568][ T10] worker_thread+0x587/0xd30 [ 4325.641568][ T10] kthread+0x28a/0x350 [ 4325.641568][ T10] ret_from_fork+0x31/0x70 [ 4325.641568][ T10] ret_from_fork_asm+0x1a/0x30 [ 4325.641568][ T10] [ 4325.643527][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4325.643527][ T10] netdev_get_by_index+0x5e/0x80 [ 4325.643527][ T10] fib6_nh_init+0x3d8/0x1580 [ 4325.643527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4325.643527][ T10] ip6_route_add+0x1c/0x140 [ 4325.643527][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4325.643527][ T10] inet6_addr_add+0x4f8/0xa40 [ 4325.643527][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4325.643527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4325.643527][ T10] netlink_rcv_skb+0x130/0x360 [ 4325.643527][ T10] netlink_unicast+0x449/0x710 [ 4325.643527][ T10] netlink_sendmsg+0x723/0xbe0 [ 4325.643527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4325.643527][ T10] ___sys_sendmsg+0xee/0x170 [ 4325.643527][ T10] __sys_sendmsg+0xcd/0x170 [ 4325.643527][ T10] do_syscall_64+0xc6/0x1e0 [ 4325.643527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4325.643527][ T10] [ 4325.645563][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4325.645563][ T10] netdev_get_by_index+0x5e/0x80 [ 4325.645563][ T10] fib6_nh_init+0x3d8/0x1580 [ 4325.645563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4325.645563][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4325.645563][ T10] ipv6_add_addr+0x411/0x2000 [ 4325.645563][ T10] inet6_addr_add+0x30e/0xa40 [ 4325.645563][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4325.645563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4325.645563][ T10] netlink_rcv_skb+0x130/0x360 [ 4325.645563][ T10] netlink_unicast+0x449/0x710 [ 4325.645563][ T10] netlink_sendmsg+0x723/0xbe0 [ 4325.645563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4325.645563][ T10] ___sys_sendmsg+0xee/0x170 [ 4325.645563][ T10] __sys_sendmsg+0xcd/0x170 [ 4325.645563][ T10] do_syscall_64+0xc6/0x1e0 [ 4325.645563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4325.645563][ T10] [ 4325.647578][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4325.647578][ T10] netdev_get_by_index+0x5e/0x80 [ 4325.647578][ T10] fib6_nh_init+0x3d8/0x1580 [ 4325.647578][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4325.647578][ T10] ip6_route_add+0x1c/0x140 [ 4325.647578][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4325.647578][ T10] addrconf_add_dev+0xe2/0x170 [ 4325.647578][ T10] inet6_addr_add+0x12f/0xa40 [ 4325.647578][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4325.647578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4325.647578][ T10] netlink_rcv_skb+0x130/0x360 [ 4325.647578][ T10] netlink_unicast+0x449/0x710 [ 4325.647578][ T10] netlink_sendmsg+0x723/0xbe0 [ 4325.647578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4325.647578][ T10] ___sys_sendmsg+0xee/0x170 [ 4325.647578][ T10] __sys_sendmsg+0xcd/0x170 [ 4325.647578][ T10] do_syscall_64+0xc6/0x1e0 [ 4325.647578][ T10] [ 4325.649603][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4325.649603][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4325.649603][ T10] ipv6_find_idev+0x102/0x170 [ 4325.649603][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4325.649603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4325.649603][ T10] netlink_rcv_skb+0x130/0x360 [ 4325.649603][ T10] netlink_unicast+0x449/0x710 [ 4325.649603][ T10] netlink_sendmsg+0x723/0xbe0 [ 4325.649603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4325.649603][ T10] ___sys_sendmsg+0xee/0x170 [ 4325.649603][ T10] __sys_sendmsg+0xcd/0x170 [ 4325.649603][ T10] do_syscall_64+0xc6/0x1e0 [ 4325.649603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4325.649603][ T10] [ 4325.651162][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4325.651162][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4325.651162][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4325.651162][ T10] ipv6_find_idev+0x102/0x170 [ 4325.651162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4325.651162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4325.651162][ T10] netlink_rcv_skb+0x130/0x360 [ 4325.651162][ T10] netlink_unicast+0x449/0x710 [ 4325.651162][ T10] netlink_sendmsg+0x723/0xbe0 [ 4325.651162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4325.651162][ T10] ___sys_sendmsg+0xee/0x170 [ 4325.651162][ T10] __sys_sendmsg+0xcd/0x170 [ 4325.651162][ T10] do_syscall_64+0xc6/0x1e0 [ 4325.651162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4325.651162][ T10] [ 4325.652898][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4325.653162][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4325.653162][ T10] netdev_get_by_index+0x5e/0x80 [ 4325.653162][ T10] fib6_nh_init+0x3d8/0x1580 [ 4325.653162][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4325.653162][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4325.653162][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4325.653162][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4325.653162][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4325.653162][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4325.653162][ T10] addrconf_dad_begin+0x310/0x670 [ 4325.653162][ T10] addrconf_dad_work+0x10b/0xab0 [ 4325.653162][ T10] process_one_work+0x84d/0x18a0 [ 4325.653162][ T10] worker_thread+0x587/0xd30 [ 4325.653162][ T10] kthread+0x28a/0x350 [ 4325.653162][ T10] ret_from_fork+0x31/0x70 [ 4325.653162][ T10] ret_from_fork_asm+0x1a/0x30 [ 4325.653162][ T10] [ 4325.655115][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4325.655115][ T10] netdev_get_by_index+0x5e/0x80 [ 4325.655115][ T10] fib6_nh_init+0x3d8/0x1580 [ 4325.655115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4325.655115][ T10] ip6_route_add+0x1c/0x140 [ 4325.655115][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4325.655115][ T10] inet6_addr_add+0x4f8/0xa40 [ 4325.655115][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4325.655115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4325.655115][ T10] netlink_rcv_skb+0x130/0x360 [ 4325.655115][ T10] netlink_unicast+0x449/0x710 [ 4325.655115][ T10] netlink_sendmsg+0x723/0xbe0 [ 4325.655115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4325.655115][ T10] ___sys_sendmsg+0xee/0x170 [ 4325.655115][ T10] __sys_sendmsg+0xcd/0x170 [ 4325.655115][ T10] do_syscall_64+0xc6/0x1e0 [ 4325.655115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4325.655115][ T10] [ 4325.657122][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4325.657122][ T10] netdev_get_by_index+0x5e/0x80 [ 4325.657122][ T10] fib6_nh_init+0x3d8/0x1580 [ 4325.657122][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4325.657122][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4325.657122][ T10] ipv6_add_addr+0x411/0x2000 [ 4325.657122][ T10] inet6_addr_add+0x30e/0xa40 [ 4325.657122][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4325.657122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4325.657122][ T10] netlink_rcv_skb+0x130/0x360 [ 4325.657122][ T10] netlink_unicast+0x449/0x710 [ 4325.657122][ T10] netlink_sendmsg+0x723/0xbe0 [ 4325.657122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4325.657122][ T10] ___sys_sendmsg+0xee/0x170 [ 4325.657122][ T10] __sys_sendmsg+0xcd/0x170 [ 4325.657122][ T10] do_syscall_64+0xc6/0x1e0 [ 4325.657122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4325.657122][ T10] [ 4325.659153][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4325.659153][ T10] netdev_get_by_index+0x5e/0x80 [ 4325.659153][ T10] fib6_nh_init+0x3d8/0x1580 [ 4325.659153][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4325.659153][ T10] ip6_route_add+0x1c/0x140 [ 4325.659153][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4325.659153][ T10] addrconf_add_dev+0xe2/0x170 [ 4325.659153][ T10] inet6_addr_add+0x12f/0xa40 [ 4325.659153][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4325.659153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4325.659153][ T10] netlink_rcv_skb+0x130/0x360 [ 4325.659153][ T10] netlink_unicast+0x449/0x710 [ 4325.659153][ T10] netlink_sendmsg+0x723/0xbe0 [ 4325.659153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4325.659153][ T10] ___sys_sendmsg+0xee/0x170 [ 4325.659153][ T10] __sys_sendmsg+0xcd/0x170 [ 4325.659153][ T10] do_syscall_64+0xc6/0x1e0 [ 4325.659153][ T10] [ 4325.661126][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4325.661126][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4325.661126][ T10] ipv6_find_idev+0x102/0x170 [ 4325.661126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4325.661126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4325.661126][ T10] netlink_rcv_skb+0x130/0x360 [ 4325.661126][ T10] netlink_unicast+0x449/0x710 [ 4325.661126][ T10] netlink_sendmsg+0x723/0xbe0 [ 4325.661126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4325.661126][ T10] ___sys_sendmsg+0xee/0x170 [ 4325.661126][ T10] __sys_sendmsg+0xcd/0x170 [ 4325.661126][ T10] do_syscall_64+0xc6/0x1e0 [ 4325.661126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4325.661126][ T10] [ 4325.662675][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4325.662675][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4325.662675][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4325.662675][ T10] ipv6_find_idev+0x102/0x170 [ 4325.662675][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4325.662675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4325.662675][ T10] netlink_rcv_skb+0x130/0x360 [ 4325.662675][ T10] netlink_unicast+0x449/0x710 [ 4325.662675][ T10] netlink_sendmsg+0x723/0xbe0 [ 4325.662675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4325.662675][ T10] ___sys_sendmsg+0xee/0x170 [ 4325.662675][ T10] __sys_sendmsg+0xcd/0x170 [ 4325.662675][ T10] do_syscall_64+0xc6/0x1e0 [ 4325.662675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4325.662675][ T10] [ 4325.664402][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4325.664656][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4325.664656][ T10] netdev_get_by_index+0x5e/0x80 [ 4325.664656][ T10] fib6_nh_init+0x3d8/0x1580 [ 4325.664656][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4325.664656][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4325.664656][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4325.664656][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4325.664656][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4325.664656][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4325.664656][ T10] addrconf_dad_begin+0x310/0x670 [ 4325.664656][ T10] addrconf_dad_work+0x10b/0xab0 [ 4325.664656][ T10] process_one_work+0x84d/0x18a0 [ 4325.664656][ T10] worker_thread+0x587/0xd30 [ 4325.664656][ T10] kthread+0x28a/0x350 [ 4325.664656][ T10] ret_from_fork+0x31/0x70 [ 4325.664656][ T10] ret_from_fork_asm+0x1a/0x30 [ 4325.664656][ T10] [ 4325.666575][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4325.666575][ T10] netdev_get_by_index+0x5e/0x80 [ 4325.666575][ T10] fib6_nh_init+0x3d8/0x1580 [ 4325.666575][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4325.666575][ T10] ip6_route_add+0x1c/0x140 [ 4325.666575][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4325.666575][ T10] inet6_addr_add+0x4f8/0xa40 [ 4325.666575][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4325.666575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4325.666575][ T10] netlink_rcv_skb+0x130/0x360 [ 4325.666575][ T10] netlink_unicast+0x449/0x710 [ 4325.666575][ T10] netlink_sendmsg+0x723/0xbe0 [ 4325.666575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4325.666575][ T10] ___sys_sendmsg+0xee/0x170 [ 4325.666575][ T10] __sys_sendmsg+0xcd/0x170 [ 4325.666575][ T10] do_syscall_64+0xc6/0x1e0 [ 4325.666575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4325.666575][ T10] [ 4325.668788][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4325.668788][ T10] netdev_get_by_index+0x5e/0x80 [ 4325.668788][ T10] fib6_nh_init+0x3d8/0x1580 [ 4325.668788][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4325.668788][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4325.668788][ T10] ipv6_add_addr+0x411/0x2000 [ 4325.668788][ T10] inet6_addr_add+0x30e/0xa40 [ 4325.668788][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4325.668788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4325.668788][ T10] netlink_rcv_skb+0x130/0x360 [ 4325.668788][ T10] netlink_unicast+0x449/0x710 [ 4325.668788][ T10] netlink_sendmsg+0x723/0xbe0 [ 4325.668788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4325.668788][ T10] ___sys_sendmsg+0xee/0x170 [ 4325.668788][ T10] __sys_sendmsg+0xcd/0x170 [ 4325.668788][ T10] do_syscall_64+0xc6/0x1e0 [ 4325.668788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4325.668788][ T10] [ 4325.671036][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4325.671036][ T10] netdev_get_by_index+0x5e/0x80 [ 4325.671036][ T10] fib6_nh_init+0x3d8/0x1580 [ 4325.671036][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4325.671036][ T10] ip6_route_add+0x1c/0x140 [ 4325.671036][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4325.671036][ T10] addrconf_add_dev+0xe2/0x170 [ 4325.671036][ T10] inet6_addr_add+0x12f/0xa40 [ 4325.671036][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4325.671036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4325.671036][ T10] netlink_rcv_skb+0x130/0x360 [ 4325.671036][ T10] netlink_unicast+0x449/0x710 [ 4325.671036][ T10] netlink_sendmsg+0x723/0xbe0 [ 4325.671036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4325.671036][ T10] ___sys_sendmsg+0xee/0x170 [ 4325.671036][ T10] __sys_sendmsg+0xcd/0x170 [ 4325.671036][ T10] do_syscall_64+0xc6/0x1e0 [ 4325.671036][ T10] [ 4325.673260][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4325.673260][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4325.673260][ T10] ipv6_find_idev+0x102/0x170 [ 4325.673260][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4325.673260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4325.673260][ T10] netlink_rcv_skb+0x130/0x360 [ 4325.673260][ T10] netlink_unicast+0x449/0x710 [ 4325.673260][ T10] netlink_sendmsg+0x723/0xbe0 [ 4325.673260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4325.673260][ T10] ___sys_sendmsg+0xee/0x170 [ 4325.673260][ T10] __sys_sendmsg+0xcd/0x170 [ 4325.673260][ T10] do_syscall_64+0xc6/0x1e0 [ 4325.673260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4325.673260][ T10] [ 4325.675008][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4325.675008][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4325.675008][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4325.675008][ T10] ipv6_find_idev+0x102/0x170 [ 4325.675008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4325.675008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4325.675008][ T10] netlink_rcv_skb+0x130/0x360 [ 4325.675008][ T10] netlink_unicast+0x449/0x710 [ 4325.675008][ T10] netlink_sendmsg+0x723/0xbe0 [ 4325.675008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4325.675008][ T10] ___sys_sendmsg+0xee/0x170 [ 4325.675008][ T10] __sys_sendmsg+0xcd/0x170 [ 4325.675008][ T10] do_syscall_64+0xc6/0x1e0 [ 4325.675008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4325.675008][ T10] [ 4325.677374][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4325.678180][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4325.678180][ T10] netdev_get_by_index+0x5e/0x80 [ 4325.678180][ T10] fib6_nh_init+0x3d8/0x1580 [ 4325.678180][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4325.678180][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4325.678180][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4325.678180][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4325.678180][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4325.678180][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4325.678180][ T10] addrconf_dad_begin+0x310/0x670 [ 4325.678180][ T10] addrconf_dad_work+0x10b/0xab0 [ 4325.678180][ T10] process_one_work+0x84d/0x18a0 [ 4325.678180][ T10] worker_thread+0x587/0xd30 [ 4325.678180][ T10] kthread+0x28a/0x350 [ 4325.678180][ T10] ret_from_fork+0x31/0x70 [ 4325.678180][ T10] ret_from_fork_asm+0x1a/0x30 [ 4325.678180][ T10] [ 4325.680122][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4325.680122][ T10] netdev_get_by_index+0x5e/0x80 [ 4325.680122][ T10] fib6_nh_init+0x3d8/0x1580 [ 4325.680122][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4325.680122][ T10] ip6_route_add+0x1c/0x140 [ 4325.680122][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4325.680122][ T10] inet6_addr_add+0x4f8/0xa40 [ 4325.680122][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4325.680122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4325.680122][ T10] netlink_rcv_skb+0x130/0x360 [ 4325.680122][ T10] netlink_unicast+0x449/0x710 [ 4325.680122][ T10] netlink_sendmsg+0x723/0xbe0 [ 4325.680122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4325.680122][ T10] ___sys_sendmsg+0xee/0x170 [ 4325.680122][ T10] __sys_sendmsg+0xcd/0x170 [ 4325.680122][ T10] do_syscall_64+0xc6/0x1e0 [ 4325.680122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4325.680122][ T10] [ 4325.682156][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4325.682156][ T10] netdev_get_by_index+0x5e/0x80 [ 4325.682156][ T10] fib6_nh_init+0x3d8/0x1580 [ 4325.682156][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4325.682156][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4325.682156][ T10] ipv6_add_addr+0x411/0x2000 [ 4325.682156][ T10] inet6_addr_add+0x30e/0xa40 [ 4325.682156][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4325.682156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4325.682156][ T10] netlink_rcv_skb+0x130/0x360 [ 4325.682156][ T10] netlink_unicast+0x449/0x710 [ 4325.682156][ T10] netlink_sendmsg+0x723/0xbe0 [ 4325.682156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4325.682156][ T10] ___sys_sendmsg+0xee/0x170 [ 4325.682156][ T10] __sys_sendmsg+0xcd/0x170 [ 4325.682156][ T10] do_syscall_64+0xc6/0x1e0 [ 4325.682156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4325.682156][ T10] [ 4325.684169][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4325.684169][ T10] netdev_get_by_index+0x5e/0x80 [ 4325.684169][ T10] fib6_nh_init+0x3d8/0x1580 [ 4325.684169][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4325.684169][ T10] ip6_route_add+0x1c/0x140 [ 4325.684169][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4325.684169][ T10] addrconf_add_dev+0xe2/0x170 [ 4325.684169][ T10] inet6_addr_add+0x12f/0xa40 [ 4325.684169][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4325.684169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4325.684169][ T10] netlink_rcv_skb+0x130/0x360 [ 4325.684169][ T10] netlink_unicast+0x449/0x710 [ 4325.684169][ T10] netlink_sendmsg+0x723/0xbe0 [ 4325.684169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4325.684169][ T10] ___sys_sendmsg+0xee/0x170 [ 4325.684169][ T10] __sys_sendmsg+0xcd/0x170 [ 4325.684169][ T10] do_syscall_64+0xc6/0x1e0 [ 4325.684169][ T10] [ 4325.686346][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4325.686346][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4325.686346][ T10] ipv6_find_idev+0x102/0x170 [ 4325.686346][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4325.686346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4325.686346][ T10] netlink_rcv_skb+0x130/0x360 [ 4325.686346][ T10] netlink_unicast+0x449/0x710 [ 4325.686346][ T10] netlink_sendmsg+0x723/0xbe0 [ 4325.686346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4325.686346][ T10] ___sys_sendmsg+0xee/0x170 [ 4325.686346][ T10] __sys_sendmsg+0xcd/0x170 [ 4325.686346][ T10] do_syscall_64+0xc6/0x1e0 [ 4325.686346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4325.686346][ T10] [ 4325.688108][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4325.688108][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4325.688108][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4325.688108][ T10] ipv6_find_idev+0x102/0x170 [ 4325.688108][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4325.688108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4325.688108][ T10] netlink_rcv_skb+0x130/0x360 [ 4325.688108][ T10] netlink_unicast+0x449/0x710 [ 4325.688108][ T10] netlink_sendmsg+0x723/0xbe0 [ 4325.688108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4325.688108][ T10] ___sys_sendmsg+0xee/0x170 [ 4325.688108][ T10] __sys_sendmsg+0xcd/0x170 [ 4325.688108][ T10] do_syscall_64+0xc6/0x1e0 [ 4325.688108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4325.688108][ T10] [ 4331.529115][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4331.529610][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4331.529610][ T1167] dst_init+0x84/0x4a0 [ 4331.529610][ T1167] dst_alloc+0x97/0x150 [ 4331.529610][ T1167] ip6_dst_alloc+0x23/0x90 [ 4331.529610][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4331.529610][ T1167] ip6_pol_route+0x56f/0x840 [ 4331.529610][ T1167] fib6_rule_lookup+0x334/0x630 [ 4331.529610][ T1167] ip6_route_output_flags+0x259/0x480 [ 4331.529610][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4331.529610][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4331.529610][ T1167] netlink_rcv_skb+0x130/0x360 [ 4331.529610][ T1167] netlink_unicast+0x449/0x710 [ 4331.529610][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4331.529610][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4331.529610][ T1167] ___sys_sendmsg+0xee/0x170 [ 4331.529610][ T1167] __sys_sendmsg+0xcd/0x170 [ 4331.529610][ T1167] do_syscall_64+0xc6/0x1e0 [ 4331.529610][ T1167] [ 4331.531810][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4331.531810][ T1167] netdev_get_by_index+0x5e/0x80 [ 4331.531810][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4331.531810][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4331.531810][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4331.531810][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4331.531810][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4331.531810][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4331.531810][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4331.531810][ T1167] addrconf_dad_begin+0x310/0x670 [ 4331.531810][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4331.531810][ T1167] process_one_work+0x84d/0x18a0 [ 4331.531810][ T1167] worker_thread+0x587/0xd30 [ 4331.531810][ T1167] kthread+0x28a/0x350 [ 4331.531810][ T1167] ret_from_fork+0x31/0x70 [ 4331.531810][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4331.531810][ T1167] [ 4331.533957][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4331.533957][ T1167] netdev_get_by_index+0x5e/0x80 [ 4331.533957][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4331.533957][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4331.533957][ T1167] ip6_route_add+0x1c/0x140 [ 4331.533957][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4331.533957][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4331.533957][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4331.533957][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4331.533957][ T1167] netlink_rcv_skb+0x130/0x360 [ 4331.533957][ T1167] netlink_unicast+0x449/0x710 [ 4331.533957][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4331.533957][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4331.533957][ T1167] ___sys_sendmsg+0xee/0x170 [ 4331.533957][ T1167] __sys_sendmsg+0xcd/0x170 [ 4331.533957][ T1167] do_syscall_64+0xc6/0x1e0 [ 4331.533957][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4331.533957][ T1167] [ 4331.536190][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4331.536190][ T1167] netdev_get_by_index+0x5e/0x80 [ 4331.536190][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4331.536190][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4331.536190][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4331.536190][ T1167] ipv6_add_addr+0x411/0x2000 [ 4331.536190][ T1167] inet6_addr_add+0x30e/0xa40 [ 4331.536190][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4331.536190][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4331.536190][ T1167] netlink_rcv_skb+0x130/0x360 [ 4331.536190][ T1167] netlink_unicast+0x449/0x710 [ 4331.536190][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4331.536190][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4331.536190][ T1167] ___sys_sendmsg+0xee/0x170 [ 4331.536190][ T1167] __sys_sendmsg+0xcd/0x170 [ 4331.536190][ T1167] do_syscall_64+0xc6/0x1e0 [ 4331.536190][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4331.536190][ T1167] [ 4331.538437][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4331.538437][ T1167] netdev_get_by_index+0x5e/0x80 [ 4331.538437][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4331.538437][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4331.538437][ T1167] ip6_route_add+0x1c/0x140 [ 4331.538437][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4331.538437][ T1167] addrconf_add_dev+0xe2/0x170 [ 4331.538437][ T1167] inet6_addr_add+0x12f/0xa40 [ 4331.538437][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4331.538437][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4331.538437][ T1167] netlink_rcv_skb+0x130/0x360 [ 4331.538437][ T1167] netlink_unicast+0x449/0x710 [ 4331.538437][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4331.538437][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4331.538437][ T1167] ___sys_sendmsg+0xee/0x170 [ 4331.538437][ T1167] __sys_sendmsg+0xcd/0x170 [ 4331.538437][ T1167] do_syscall_64+0xc6/0x1e0 [ 4331.538437][ T1167] [ 4331.540627][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4331.540627][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4331.540627][ T1167] ipv6_find_idev+0x102/0x170 [ 4331.540627][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4331.540627][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4331.540627][ T1167] netlink_rcv_skb+0x130/0x360 [ 4331.540627][ T1167] netlink_unicast+0x449/0x710 [ 4331.540627][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4331.540627][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4331.540627][ T1167] ___sys_sendmsg+0xee/0x170 [ 4331.540627][ T1167] __sys_sendmsg+0xcd/0x170 [ 4331.540627][ T1167] do_syscall_64+0xc6/0x1e0 [ 4331.540627][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4331.540627][ T1167] [ 4331.542364][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4331.542364][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4331.542364][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4331.542364][ T1167] ipv6_find_idev+0x102/0x170 [ 4331.542364][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4331.542364][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4331.542364][ T1167] netlink_rcv_skb+0x130/0x360 [ 4331.542364][ T1167] netlink_unicast+0x449/0x710 [ 4331.542364][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4331.542364][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4331.542364][ T1167] ___sys_sendmsg+0xee/0x170 [ 4331.542364][ T1167] __sys_sendmsg+0xcd/0x170 [ 4331.542364][ T1167] do_syscall_64+0xc6/0x1e0 [ 4331.542364][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4331.542364][ T1167] [ 4335.929042][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4335.929473][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4335.929473][ T10] netdev_get_by_index+0x5e/0x80 [ 4335.929473][ T10] fib6_nh_init+0x3d8/0x1580 [ 4335.929473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4335.929473][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4335.929473][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4335.929473][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4335.929473][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4335.929473][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4335.929473][ T10] addrconf_dad_begin+0x310/0x670 [ 4335.929473][ T10] addrconf_dad_work+0x10b/0xab0 [ 4335.929473][ T10] process_one_work+0x84d/0x18a0 [ 4335.929473][ T10] worker_thread+0x587/0xd30 [ 4335.929473][ T10] kthread+0x28a/0x350 [ 4335.929473][ T10] ret_from_fork+0x31/0x70 [ 4335.929473][ T10] ret_from_fork_asm+0x1a/0x30 [ 4335.929473][ T10] [ 4335.931453][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4335.931453][ T10] netdev_get_by_index+0x5e/0x80 [ 4335.931453][ T10] fib6_nh_init+0x3d8/0x1580 [ 4335.931453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4335.931453][ T10] ip6_route_add+0x1c/0x140 [ 4335.931453][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4335.931453][ T10] inet6_addr_add+0x4f8/0xa40 [ 4335.931453][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4335.931453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4335.931453][ T10] netlink_rcv_skb+0x130/0x360 [ 4335.931453][ T10] netlink_unicast+0x449/0x710 [ 4335.931453][ T10] netlink_sendmsg+0x723/0xbe0 [ 4335.931453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4335.931453][ T10] ___sys_sendmsg+0xee/0x170 [ 4335.931453][ T10] __sys_sendmsg+0xcd/0x170 [ 4335.931453][ T10] do_syscall_64+0xc6/0x1e0 [ 4335.931453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4335.931453][ T10] [ 4335.933486][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4335.933486][ T10] netdev_get_by_index+0x5e/0x80 [ 4335.933486][ T10] fib6_nh_init+0x3d8/0x1580 [ 4335.933486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4335.933486][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4335.933486][ T10] ipv6_add_addr+0x411/0x2000 [ 4335.933486][ T10] inet6_addr_add+0x30e/0xa40 [ 4335.933486][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4335.933486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4335.933486][ T10] netlink_rcv_skb+0x130/0x360 [ 4335.933486][ T10] netlink_unicast+0x449/0x710 [ 4335.933486][ T10] netlink_sendmsg+0x723/0xbe0 [ 4335.933486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4335.933486][ T10] ___sys_sendmsg+0xee/0x170 [ 4335.933486][ T10] __sys_sendmsg+0xcd/0x170 [ 4335.933486][ T10] do_syscall_64+0xc6/0x1e0 [ 4335.933486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4335.933486][ T10] [ 4335.935614][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4335.935614][ T10] netdev_get_by_index+0x5e/0x80 [ 4335.935614][ T10] fib6_nh_init+0x3d8/0x1580 [ 4335.935614][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4335.935614][ T10] ip6_route_add+0x1c/0x140 [ 4335.935614][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4335.935614][ T10] addrconf_add_dev+0xe2/0x170 [ 4335.935614][ T10] inet6_addr_add+0x12f/0xa40 [ 4335.935614][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4335.935614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4335.935614][ T10] netlink_rcv_skb+0x130/0x360 [ 4335.935614][ T10] netlink_unicast+0x449/0x710 [ 4335.935614][ T10] netlink_sendmsg+0x723/0xbe0 [ 4335.935614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4335.935614][ T10] ___sys_sendmsg+0xee/0x170 [ 4335.935614][ T10] __sys_sendmsg+0xcd/0x170 [ 4335.935614][ T10] do_syscall_64+0xc6/0x1e0 [ 4335.935614][ T10] [ 4335.937654][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4335.937654][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4335.937654][ T10] ipv6_find_idev+0x102/0x170 [ 4335.937654][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4335.937654][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4335.937654][ T10] netlink_rcv_skb+0x130/0x360 [ 4335.937654][ T10] netlink_unicast+0x449/0x710 [ 4335.937654][ T10] netlink_sendmsg+0x723/0xbe0 [ 4335.937654][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4335.937654][ T10] ___sys_sendmsg+0xee/0x170 [ 4335.937654][ T10] __sys_sendmsg+0xcd/0x170 [ 4335.937654][ T10] do_syscall_64+0xc6/0x1e0 [ 4335.937654][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4335.937654][ T10] [ 4335.939253][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4335.939253][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4335.939253][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4335.939253][ T10] ipv6_find_idev+0x102/0x170 [ 4335.939253][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4335.939253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4335.939253][ T10] netlink_rcv_skb+0x130/0x360 [ 4335.939253][ T10] netlink_unicast+0x449/0x710 [ 4335.939253][ T10] netlink_sendmsg+0x723/0xbe0 [ 4335.939253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4335.939253][ T10] ___sys_sendmsg+0xee/0x170 [ 4335.939253][ T10] __sys_sendmsg+0xcd/0x170 [ 4335.939253][ T10] do_syscall_64+0xc6/0x1e0 [ 4335.939253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4335.939253][ T10] [ 4335.941015][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4335.941274][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4335.941274][ T10] netdev_get_by_index+0x5e/0x80 [ 4335.941274][ T10] fib6_nh_init+0x3d8/0x1580 [ 4335.941274][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4335.941274][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4335.941274][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4335.941274][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4335.941274][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4335.941274][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4335.941274][ T10] addrconf_dad_begin+0x310/0x670 [ 4335.941274][ T10] addrconf_dad_work+0x10b/0xab0 [ 4335.941274][ T10] process_one_work+0x84d/0x18a0 [ 4335.941274][ T10] worker_thread+0x587/0xd30 [ 4335.941274][ T10] kthread+0x28a/0x350 [ 4335.941274][ T10] ret_from_fork+0x31/0x70 [ 4335.941274][ T10] ret_from_fork_asm+0x1a/0x30 [ 4335.941274][ T10] [ 4335.943231][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4335.943231][ T10] netdev_get_by_index+0x5e/0x80 [ 4335.943231][ T10] fib6_nh_init+0x3d8/0x1580 [ 4335.943231][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4335.943231][ T10] ip6_route_add+0x1c/0x140 [ 4335.943231][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4335.943231][ T10] inet6_addr_add+0x4f8/0xa40 [ 4335.943231][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4335.943231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4335.943231][ T10] netlink_rcv_skb+0x130/0x360 [ 4335.943231][ T10] netlink_unicast+0x449/0x710 [ 4335.943231][ T10] netlink_sendmsg+0x723/0xbe0 [ 4335.943231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4335.943231][ T10] ___sys_sendmsg+0xee/0x170 [ 4335.943231][ T10] __sys_sendmsg+0xcd/0x170 [ 4335.943231][ T10] do_syscall_64+0xc6/0x1e0 [ 4335.943231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4335.943231][ T10] [ 4335.945262][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4335.945262][ T10] netdev_get_by_index+0x5e/0x80 [ 4335.945262][ T10] fib6_nh_init+0x3d8/0x1580 [ 4335.945262][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4335.945262][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4335.945262][ T10] ipv6_add_addr+0x411/0x2000 [ 4335.945262][ T10] inet6_addr_add+0x30e/0xa40 [ 4335.945262][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4335.945262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4335.945262][ T10] netlink_rcv_skb+0x130/0x360 [ 4335.945262][ T10] netlink_unicast+0x449/0x710 [ 4335.945262][ T10] netlink_sendmsg+0x723/0xbe0 [ 4335.945262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4335.945262][ T10] ___sys_sendmsg+0xee/0x170 [ 4335.945262][ T10] __sys_sendmsg+0xcd/0x170 [ 4335.945262][ T10] do_syscall_64+0xc6/0x1e0 [ 4335.945262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4335.945262][ T10] [ 4335.947320][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4335.947320][ T10] netdev_get_by_index+0x5e/0x80 [ 4335.947320][ T10] fib6_nh_init+0x3d8/0x1580 [ 4335.947320][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4335.947320][ T10] ip6_route_add+0x1c/0x140 [ 4335.947320][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4335.947320][ T10] addrconf_add_dev+0xe2/0x170 [ 4335.947320][ T10] inet6_addr_add+0x12f/0xa40 [ 4335.947320][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4335.947320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4335.947320][ T10] netlink_rcv_skb+0x130/0x360 [ 4335.947320][ T10] netlink_unicast+0x449/0x710 [ 4335.947320][ T10] netlink_sendmsg+0x723/0xbe0 [ 4335.947320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4335.947320][ T10] ___sys_sendmsg+0xee/0x170 [ 4335.947320][ T10] __sys_sendmsg+0xcd/0x170 [ 4335.947320][ T10] do_syscall_64+0xc6/0x1e0 [ 4335.947320][ T10] [ 4335.949361][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4335.949361][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4335.949361][ T10] ipv6_find_idev+0x102/0x170 [ 4335.949361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4335.949361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4335.949361][ T10] netlink_rcv_skb+0x130/0x360 [ 4335.949361][ T10] netlink_unicast+0x449/0x710 [ 4335.949361][ T10] netlink_sendmsg+0x723/0xbe0 [ 4335.949361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4335.949361][ T10] ___sys_sendmsg+0xee/0x170 [ 4335.949361][ T10] __sys_sendmsg+0xcd/0x170 [ 4335.949361][ T10] do_syscall_64+0xc6/0x1e0 [ 4335.949361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4335.949361][ T10] [ 4335.951442][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4335.951442][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4335.951442][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4335.951442][ T10] ipv6_find_idev+0x102/0x170 [ 4335.951442][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4335.951442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4335.951442][ T10] netlink_rcv_skb+0x130/0x360 [ 4335.951442][ T10] netlink_unicast+0x449/0x710 [ 4335.951442][ T10] netlink_sendmsg+0x723/0xbe0 [ 4335.951442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4335.951442][ T10] ___sys_sendmsg+0xee/0x170 [ 4335.951442][ T10] __sys_sendmsg+0xcd/0x170 [ 4335.951442][ T10] do_syscall_64+0xc6/0x1e0 [ 4335.951442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4335.951442][ T10] [ 4335.953146][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4335.953406][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4335.953406][ T10] netdev_get_by_index+0x5e/0x80 [ 4335.953406][ T10] fib6_nh_init+0x3d8/0x1580 [ 4335.953406][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4335.953406][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4335.953406][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4335.953406][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4335.953406][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4335.953406][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4335.953406][ T10] addrconf_dad_begin+0x310/0x670 [ 4335.953406][ T10] addrconf_dad_work+0x10b/0xab0 [ 4335.953406][ T10] process_one_work+0x84d/0x18a0 [ 4335.953406][ T10] worker_thread+0x587/0xd30 [ 4335.953406][ T10] kthread+0x28a/0x350 [ 4335.953406][ T10] ret_from_fork+0x31/0x70 [ 4335.953406][ T10] ret_from_fork_asm+0x1a/0x30 [ 4335.953406][ T10] [ 4335.955324][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4335.955324][ T10] netdev_get_by_index+0x5e/0x80 [ 4335.955324][ T10] fib6_nh_init+0x3d8/0x1580 [ 4335.955324][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4335.955324][ T10] ip6_route_add+0x1c/0x140 [ 4335.955324][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4335.955324][ T10] inet6_addr_add+0x4f8/0xa40 [ 4335.955324][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4335.955324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4335.955324][ T10] netlink_rcv_skb+0x130/0x360 [ 4335.955324][ T10] netlink_unicast+0x449/0x710 [ 4335.955324][ T10] netlink_sendmsg+0x723/0xbe0 [ 4335.955324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4335.955324][ T10] ___sys_sendmsg+0xee/0x170 [ 4335.955324][ T10] __sys_sendmsg+0xcd/0x170 [ 4335.955324][ T10] do_syscall_64+0xc6/0x1e0 [ 4335.955324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4335.955324][ T10] [ 4335.957473][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4335.957473][ T10] netdev_get_by_index+0x5e/0x80 [ 4335.957473][ T10] fib6_nh_init+0x3d8/0x1580 [ 4335.957473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4335.957473][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4335.957473][ T10] ipv6_add_addr+0x411/0x2000 [ 4335.957473][ T10] inet6_addr_add+0x30e/0xa40 [ 4335.957473][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4335.957473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4335.957473][ T10] netlink_rcv_skb+0x130/0x360 [ 4335.957473][ T10] netlink_unicast+0x449/0x710 [ 4335.957473][ T10] netlink_sendmsg+0x723/0xbe0 [ 4335.957473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4335.957473][ T10] ___sys_sendmsg+0xee/0x170 [ 4335.957473][ T10] __sys_sendmsg+0xcd/0x170 [ 4335.957473][ T10] do_syscall_64+0xc6/0x1e0 [ 4335.957473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4335.957473][ T10] [ 4335.959619][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4335.959619][ T10] netdev_get_by_index+0x5e/0x80 [ 4335.959619][ T10] fib6_nh_init+0x3d8/0x1580 [ 4335.959619][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4335.959619][ T10] ip6_route_add+0x1c/0x140 [ 4335.959619][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4335.959619][ T10] addrconf_add_dev+0xe2/0x170 [ 4335.959619][ T10] inet6_addr_add+0x12f/0xa40 [ 4335.959619][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4335.959619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4335.959619][ T10] netlink_rcv_skb+0x130/0x360 [ 4335.959619][ T10] netlink_unicast+0x449/0x710 [ 4335.959619][ T10] netlink_sendmsg+0x723/0xbe0 [ 4335.959619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4335.959619][ T10] ___sys_sendmsg+0xee/0x170 [ 4335.959619][ T10] __sys_sendmsg+0xcd/0x170 [ 4335.959619][ T10] do_syscall_64+0xc6/0x1e0 [ 4335.959619][ T10] [ 4335.961717][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4335.961717][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4335.961717][ T10] ipv6_find_idev+0x102/0x170 [ 4335.961717][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4335.961717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4335.961717][ T10] netlink_rcv_skb+0x130/0x360 [ 4335.961717][ T10] netlink_unicast+0x449/0x710 [ 4335.961717][ T10] netlink_sendmsg+0x723/0xbe0 [ 4335.961717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4335.961717][ T10] ___sys_sendmsg+0xee/0x170 [ 4335.961717][ T10] __sys_sendmsg+0xcd/0x170 [ 4335.961717][ T10] do_syscall_64+0xc6/0x1e0 [ 4335.961717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4335.961717][ T10] [ 4335.963417][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4335.963417][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4335.963417][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4335.963417][ T10] ipv6_find_idev+0x102/0x170 [ 4335.963417][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4335.963417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4335.963417][ T10] netlink_rcv_skb+0x130/0x360 [ 4335.963417][ T10] netlink_unicast+0x449/0x710 [ 4335.963417][ T10] netlink_sendmsg+0x723/0xbe0 [ 4335.963417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4335.963417][ T10] ___sys_sendmsg+0xee/0x170 [ 4335.963417][ T10] __sys_sendmsg+0xcd/0x170 [ 4335.963417][ T10] do_syscall_64+0xc6/0x1e0 [ 4335.963417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4335.963417][ T10] [ 4335.967515][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4335.967789][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4335.967789][ T10] netdev_get_by_index+0x5e/0x80 [ 4335.967789][ T10] fib6_nh_init+0x3d8/0x1580 [ 4335.967789][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4335.967789][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4335.967789][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4335.967789][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4335.967789][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4335.967789][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4335.967789][ T10] addrconf_dad_begin+0x310/0x670 [ 4335.967789][ T10] addrconf_dad_work+0x10b/0xab0 [ 4335.967789][ T10] process_one_work+0x84d/0x18a0 [ 4335.967789][ T10] worker_thread+0x587/0xd30 [ 4335.967789][ T10] kthread+0x28a/0x350 [ 4335.967789][ T10] ret_from_fork+0x31/0x70 [ 4335.967789][ T10] ret_from_fork_asm+0x1a/0x30 [ 4335.967789][ T10] [ 4335.969869][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4335.969869][ T10] netdev_get_by_index+0x5e/0x80 [ 4335.969869][ T10] fib6_nh_init+0x3d8/0x1580 [ 4335.969869][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4335.969869][ T10] ip6_route_add+0x1c/0x140 [ 4335.969869][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4335.969869][ T10] inet6_addr_add+0x4f8/0xa40 [ 4335.969869][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4335.969869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4335.969869][ T10] netlink_rcv_skb+0x130/0x360 [ 4335.969869][ T10] netlink_unicast+0x449/0x710 [ 4335.969869][ T10] netlink_sendmsg+0x723/0xbe0 [ 4335.969869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4335.969869][ T10] ___sys_sendmsg+0xee/0x170 [ 4335.969869][ T10] __sys_sendmsg+0xcd/0x170 [ 4335.969869][ T10] do_syscall_64+0xc6/0x1e0 [ 4335.969869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4335.969869][ T10] [ 4335.972052][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4335.972052][ T10] netdev_get_by_index+0x5e/0x80 [ 4335.972052][ T10] fib6_nh_init+0x3d8/0x1580 [ 4335.972052][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4335.972052][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4335.972052][ T10] ipv6_add_addr+0x411/0x2000 [ 4335.972052][ T10] inet6_addr_add+0x30e/0xa40 [ 4335.972052][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4335.972052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4335.972052][ T10] netlink_rcv_skb+0x130/0x360 [ 4335.972052][ T10] netlink_unicast+0x449/0x710 [ 4335.972052][ T10] netlink_sendmsg+0x723/0xbe0 [ 4335.972052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4335.972052][ T10] ___sys_sendmsg+0xee/0x170 [ 4335.972052][ T10] __sys_sendmsg+0xcd/0x170 [ 4335.972052][ T10] do_syscall_64+0xc6/0x1e0 [ 4335.972052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4335.972052][ T10] [ 4335.974217][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4335.974217][ T10] netdev_get_by_index+0x5e/0x80 [ 4335.974217][ T10] fib6_nh_init+0x3d8/0x1580 [ 4335.974217][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4335.974217][ T10] ip6_route_add+0x1c/0x140 [ 4335.974217][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4335.974217][ T10] addrconf_add_dev+0xe2/0x170 [ 4335.974217][ T10] inet6_addr_add+0x12f/0xa40 [ 4335.974217][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4335.974217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4335.974217][ T10] netlink_rcv_skb+0x130/0x360 [ 4335.974217][ T10] netlink_unicast+0x449/0x710 [ 4335.974217][ T10] netlink_sendmsg+0x723/0xbe0 [ 4335.974217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4335.974217][ T10] ___sys_sendmsg+0xee/0x170 [ 4335.974217][ T10] __sys_sendmsg+0xcd/0x170 [ 4335.974217][ T10] do_syscall_64+0xc6/0x1e0 [ 4335.974217][ T10] [ 4335.976353][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4335.976353][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4335.976353][ T10] ipv6_find_idev+0x102/0x170 [ 4335.976353][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4335.976353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4335.976353][ T10] netlink_rcv_skb+0x130/0x360 [ 4335.976353][ T10] netlink_unicast+0x449/0x710 [ 4335.976353][ T10] netlink_sendmsg+0x723/0xbe0 [ 4335.976353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4335.976353][ T10] ___sys_sendmsg+0xee/0x170 [ 4335.976353][ T10] __sys_sendmsg+0xcd/0x170 [ 4335.976353][ T10] do_syscall_64+0xc6/0x1e0 [ 4335.976353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4335.976353][ T10] [ 4335.977980][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4335.977980][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4335.977980][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4335.977980][ T10] ipv6_find_idev+0x102/0x170 [ 4335.977980][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4335.977980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4335.977980][ T10] netlink_rcv_skb+0x130/0x360 [ 4335.977980][ T10] netlink_unicast+0x449/0x710 [ 4335.977980][ T10] netlink_sendmsg+0x723/0xbe0 [ 4335.977980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4335.977980][ T10] ___sys_sendmsg+0xee/0x170 [ 4335.977980][ T10] __sys_sendmsg+0xcd/0x170 [ 4335.977980][ T10] do_syscall_64+0xc6/0x1e0 [ 4335.977980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4335.977980][ T10] [ 4341.793136][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4341.793605][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4341.793605][ T1167] dst_init+0x84/0x4a0 [ 4341.793605][ T1167] dst_alloc+0x97/0x150 [ 4341.793605][ T1167] ip6_dst_alloc+0x23/0x90 [ 4341.793605][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4341.793605][ T1167] ip6_pol_route+0x56f/0x840 [ 4341.793605][ T1167] fib6_rule_lookup+0x334/0x630 [ 4341.793605][ T1167] ip6_route_output_flags+0x259/0x480 [ 4341.793605][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4341.793605][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4341.793605][ T1167] netlink_rcv_skb+0x130/0x360 [ 4341.793605][ T1167] netlink_unicast+0x449/0x710 [ 4341.793605][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4341.793605][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4341.793605][ T1167] ___sys_sendmsg+0xee/0x170 [ 4341.793605][ T1167] __sys_sendmsg+0xcd/0x170 [ 4341.793605][ T1167] do_syscall_64+0xc6/0x1e0 [ 4341.793605][ T1167] [ 4341.795826][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4341.795826][ T1167] netdev_get_by_index+0x5e/0x80 [ 4341.795826][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4341.795826][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4341.795826][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4341.795826][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4341.795826][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4341.795826][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4341.795826][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4341.795826][ T1167] addrconf_dad_begin+0x310/0x670 [ 4341.795826][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4341.795826][ T1167] process_one_work+0x84d/0x18a0 [ 4341.795826][ T1167] worker_thread+0x587/0xd30 [ 4341.795826][ T1167] kthread+0x28a/0x350 [ 4341.795826][ T1167] ret_from_fork+0x31/0x70 [ 4341.795826][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4341.795826][ T1167] [ 4341.797978][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4341.797978][ T1167] netdev_get_by_index+0x5e/0x80 [ 4341.797978][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4341.797978][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4341.797978][ T1167] ip6_route_add+0x1c/0x140 [ 4341.797978][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4341.797978][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4341.797978][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4341.797978][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4341.797978][ T1167] netlink_rcv_skb+0x130/0x360 [ 4341.797978][ T1167] netlink_unicast+0x449/0x710 [ 4341.797978][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4341.797978][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4341.797978][ T1167] ___sys_sendmsg+0xee/0x170 [ 4341.797978][ T1167] __sys_sendmsg+0xcd/0x170 [ 4341.797978][ T1167] do_syscall_64+0xc6/0x1e0 [ 4341.797978][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4341.797978][ T1167] [ 4341.800222][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4341.800222][ T1167] netdev_get_by_index+0x5e/0x80 [ 4341.800222][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4341.800222][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4341.800222][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4341.800222][ T1167] ipv6_add_addr+0x411/0x2000 [ 4341.800222][ T1167] inet6_addr_add+0x30e/0xa40 [ 4341.800222][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4341.800222][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4341.800222][ T1167] netlink_rcv_skb+0x130/0x360 [ 4341.800222][ T1167] netlink_unicast+0x449/0x710 [ 4341.800222][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4341.800222][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4341.800222][ T1167] ___sys_sendmsg+0xee/0x170 [ 4341.800222][ T1167] __sys_sendmsg+0xcd/0x170 [ 4341.800222][ T1167] do_syscall_64+0xc6/0x1e0 [ 4341.800222][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4341.800222][ T1167] [ 4341.802458][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4341.802458][ T1167] netdev_get_by_index+0x5e/0x80 [ 4341.802458][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4341.802458][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4341.802458][ T1167] ip6_route_add+0x1c/0x140 [ 4341.802458][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4341.802458][ T1167] addrconf_add_dev+0xe2/0x170 [ 4341.802458][ T1167] inet6_addr_add+0x12f/0xa40 [ 4341.802458][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4341.802458][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4341.802458][ T1167] netlink_rcv_skb+0x130/0x360 [ 4341.802458][ T1167] netlink_unicast+0x449/0x710 [ 4341.802458][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4341.802458][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4341.802458][ T1167] ___sys_sendmsg+0xee/0x170 [ 4341.802458][ T1167] __sys_sendmsg+0xcd/0x170 [ 4341.802458][ T1167] do_syscall_64+0xc6/0x1e0 [ 4341.802458][ T1167] [ 4341.804643][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4341.804643][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4341.804643][ T1167] ipv6_find_idev+0x102/0x170 [ 4341.804643][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4341.804643][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4341.804643][ T1167] netlink_rcv_skb+0x130/0x360 [ 4341.804643][ T1167] netlink_unicast+0x449/0x710 [ 4341.804643][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4341.804643][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4341.804643][ T1167] ___sys_sendmsg+0xee/0x170 [ 4341.804643][ T1167] __sys_sendmsg+0xcd/0x170 [ 4341.804643][ T1167] do_syscall_64+0xc6/0x1e0 [ 4341.804643][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4341.804643][ T1167] [ 4341.806363][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4341.806363][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4341.806363][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4341.806363][ T1167] ipv6_find_idev+0x102/0x170 [ 4341.806363][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4341.806363][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4341.806363][ T1167] netlink_rcv_skb+0x130/0x360 [ 4341.806363][ T1167] netlink_unicast+0x449/0x710 [ 4341.806363][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4341.806363][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4341.806363][ T1167] ___sys_sendmsg+0xee/0x170 [ 4341.806363][ T1167] __sys_sendmsg+0xcd/0x170 [ 4341.806363][ T1167] do_syscall_64+0xc6/0x1e0 [ 4341.806363][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4341.806363][ T1167] [ 4346.217052][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4346.217512][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4346.217512][ T10] netdev_get_by_index+0x5e/0x80 [ 4346.217512][ T10] fib6_nh_init+0x3d8/0x1580 [ 4346.217512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4346.217512][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4346.217512][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4346.217512][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4346.217512][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4346.217512][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4346.217512][ T10] addrconf_dad_begin+0x310/0x670 [ 4346.217512][ T10] addrconf_dad_work+0x10b/0xab0 [ 4346.217512][ T10] process_one_work+0x84d/0x18a0 [ 4346.217512][ T10] worker_thread+0x587/0xd30 [ 4346.217512][ T10] kthread+0x28a/0x350 [ 4346.217512][ T10] ret_from_fork+0x31/0x70 [ 4346.217512][ T10] ret_from_fork_asm+0x1a/0x30 [ 4346.217512][ T10] [ 4346.219485][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4346.219485][ T10] netdev_get_by_index+0x5e/0x80 [ 4346.219485][ T10] fib6_nh_init+0x3d8/0x1580 [ 4346.219485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4346.219485][ T10] ip6_route_add+0x1c/0x140 [ 4346.219485][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4346.219485][ T10] inet6_addr_add+0x4f8/0xa40 [ 4346.219485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4346.219485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4346.219485][ T10] netlink_rcv_skb+0x130/0x360 [ 4346.219485][ T10] netlink_unicast+0x449/0x710 [ 4346.219485][ T10] netlink_sendmsg+0x723/0xbe0 [ 4346.219485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4346.219485][ T10] ___sys_sendmsg+0xee/0x170 [ 4346.219485][ T10] __sys_sendmsg+0xcd/0x170 [ 4346.219485][ T10] do_syscall_64+0xc6/0x1e0 [ 4346.219485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4346.219485][ T10] [ 4346.225462][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4346.225462][ T10] netdev_get_by_index+0x5e/0x80 [ 4346.225462][ T10] fib6_nh_init+0x3d8/0x1580 [ 4346.225462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4346.225462][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4346.225462][ T10] ipv6_add_addr+0x411/0x2000 [ 4346.225462][ T10] inet6_addr_add+0x30e/0xa40 [ 4346.225462][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4346.225462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4346.225462][ T10] netlink_rcv_skb+0x130/0x360 [ 4346.225462][ T10] netlink_unicast+0x449/0x710 [ 4346.225462][ T10] netlink_sendmsg+0x723/0xbe0 [ 4346.225462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4346.225462][ T10] ___sys_sendmsg+0xee/0x170 [ 4346.225462][ T10] __sys_sendmsg+0xcd/0x170 [ 4346.225462][ T10] do_syscall_64+0xc6/0x1e0 [ 4346.225462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4346.225462][ T10] [ 4346.227501][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4346.227501][ T10] netdev_get_by_index+0x5e/0x80 [ 4346.227501][ T10] fib6_nh_init+0x3d8/0x1580 [ 4346.227501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4346.227501][ T10] ip6_route_add+0x1c/0x140 [ 4346.227501][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4346.227501][ T10] addrconf_add_dev+0xe2/0x170 [ 4346.227501][ T10] inet6_addr_add+0x12f/0xa40 [ 4346.227501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4346.227501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4346.227501][ T10] netlink_rcv_skb+0x130/0x360 [ 4346.227501][ T10] netlink_unicast+0x449/0x710 [ 4346.227501][ T10] netlink_sendmsg+0x723/0xbe0 [ 4346.227501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4346.227501][ T10] ___sys_sendmsg+0xee/0x170 [ 4346.227501][ T10] __sys_sendmsg+0xcd/0x170 [ 4346.227501][ T10] do_syscall_64+0xc6/0x1e0 [ 4346.227501][ T10] [ 4346.229518][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4346.229518][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4346.229518][ T10] ipv6_find_idev+0x102/0x170 [ 4346.229518][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4346.229518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4346.229518][ T10] netlink_rcv_skb+0x130/0x360 [ 4346.229518][ T10] netlink_unicast+0x449/0x710 [ 4346.229518][ T10] netlink_sendmsg+0x723/0xbe0 [ 4346.229518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4346.229518][ T10] ___sys_sendmsg+0xee/0x170 [ 4346.229518][ T10] __sys_sendmsg+0xcd/0x170 [ 4346.229518][ T10] do_syscall_64+0xc6/0x1e0 [ 4346.229518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4346.229518][ T10] [ 4346.231088][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4346.231088][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4346.231088][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4346.231088][ T10] ipv6_find_idev+0x102/0x170 [ 4346.231088][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4346.231088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4346.231088][ T10] netlink_rcv_skb+0x130/0x360 [ 4346.231088][ T10] netlink_unicast+0x449/0x710 [ 4346.231088][ T10] netlink_sendmsg+0x723/0xbe0 [ 4346.231088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4346.231088][ T10] ___sys_sendmsg+0xee/0x170 [ 4346.231088][ T10] __sys_sendmsg+0xcd/0x170 [ 4346.231088][ T10] do_syscall_64+0xc6/0x1e0 [ 4346.231088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4346.231088][ T10] [ 4346.232848][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4346.233121][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4346.233121][ T10] netdev_get_by_index+0x5e/0x80 [ 4346.233121][ T10] fib6_nh_init+0x3d8/0x1580 [ 4346.233121][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4346.233121][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4346.233121][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4346.233121][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4346.233121][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4346.233121][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4346.233121][ T10] addrconf_dad_begin+0x310/0x670 [ 4346.233121][ T10] addrconf_dad_work+0x10b/0xab0 [ 4346.233121][ T10] process_one_work+0x84d/0x18a0 [ 4346.233121][ T10] worker_thread+0x587/0xd30 [ 4346.233121][ T10] kthread+0x28a/0x350 [ 4346.233121][ T10] ret_from_fork+0x31/0x70 [ 4346.233121][ T10] ret_from_fork_asm+0x1a/0x30 [ 4346.233121][ T10] [ 4346.235109][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4346.235109][ T10] netdev_get_by_index+0x5e/0x80 [ 4346.235109][ T10] fib6_nh_init+0x3d8/0x1580 [ 4346.235109][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4346.235109][ T10] ip6_route_add+0x1c/0x140 [ 4346.235109][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4346.235109][ T10] inet6_addr_add+0x4f8/0xa40 [ 4346.235109][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4346.235109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4346.235109][ T10] netlink_rcv_skb+0x130/0x360 [ 4346.235109][ T10] netlink_unicast+0x449/0x710 [ 4346.235109][ T10] netlink_sendmsg+0x723/0xbe0 [ 4346.235109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4346.235109][ T10] ___sys_sendmsg+0xee/0x170 [ 4346.235109][ T10] __sys_sendmsg+0xcd/0x170 [ 4346.235109][ T10] do_syscall_64+0xc6/0x1e0 [ 4346.235109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4346.235109][ T10] [ 4346.237150][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4346.237150][ T10] netdev_get_by_index+0x5e/0x80 [ 4346.237150][ T10] fib6_nh_init+0x3d8/0x1580 [ 4346.237150][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4346.237150][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4346.237150][ T10] ipv6_add_addr+0x411/0x2000 [ 4346.237150][ T10] inet6_addr_add+0x30e/0xa40 [ 4346.237150][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4346.237150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4346.237150][ T10] netlink_rcv_skb+0x130/0x360 [ 4346.237150][ T10] netlink_unicast+0x449/0x710 [ 4346.237150][ T10] netlink_sendmsg+0x723/0xbe0 [ 4346.237150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4346.237150][ T10] ___sys_sendmsg+0xee/0x170 [ 4346.237150][ T10] __sys_sendmsg+0xcd/0x170 [ 4346.237150][ T10] do_syscall_64+0xc6/0x1e0 [ 4346.237150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4346.237150][ T10] [ 4346.239185][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4346.239185][ T10] netdev_get_by_index+0x5e/0x80 [ 4346.239185][ T10] fib6_nh_init+0x3d8/0x1580 [ 4346.239185][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4346.239185][ T10] ip6_route_add+0x1c/0x140 [ 4346.239185][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4346.239185][ T10] addrconf_add_dev+0xe2/0x170 [ 4346.239185][ T10] inet6_addr_add+0x12f/0xa40 [ 4346.239185][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4346.239185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4346.239185][ T10] netlink_rcv_skb+0x130/0x360 [ 4346.239185][ T10] netlink_unicast+0x449/0x710 [ 4346.239185][ T10] netlink_sendmsg+0x723/0xbe0 [ 4346.239185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4346.239185][ T10] ___sys_sendmsg+0xee/0x170 [ 4346.239185][ T10] __sys_sendmsg+0xcd/0x170 [ 4346.239185][ T10] do_syscall_64+0xc6/0x1e0 [ 4346.239185][ T10] [ 4346.241181][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4346.241181][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4346.241181][ T10] ipv6_find_idev+0x102/0x170 [ 4346.241181][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4346.241181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4346.241181][ T10] netlink_rcv_skb+0x130/0x360 [ 4346.241181][ T10] netlink_unicast+0x449/0x710 [ 4346.241181][ T10] netlink_sendmsg+0x723/0xbe0 [ 4346.241181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4346.241181][ T10] ___sys_sendmsg+0xee/0x170 [ 4346.241181][ T10] __sys_sendmsg+0xcd/0x170 [ 4346.241181][ T10] do_syscall_64+0xc6/0x1e0 [ 4346.241181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4346.241181][ T10] [ 4346.242738][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4346.242738][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4346.242738][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4346.242738][ T10] ipv6_find_idev+0x102/0x170 [ 4346.242738][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4346.242738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4346.242738][ T10] netlink_rcv_skb+0x130/0x360 [ 4346.242738][ T10] netlink_unicast+0x449/0x710 [ 4346.242738][ T10] netlink_sendmsg+0x723/0xbe0 [ 4346.242738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4346.242738][ T10] ___sys_sendmsg+0xee/0x170 [ 4346.242738][ T10] __sys_sendmsg+0xcd/0x170 [ 4346.242738][ T10] do_syscall_64+0xc6/0x1e0 [ 4346.242738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4346.242738][ T10] [ 4346.244450][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4346.244697][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4346.244697][ T10] netdev_get_by_index+0x5e/0x80 [ 4346.244697][ T10] fib6_nh_init+0x3d8/0x1580 [ 4346.244697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4346.244697][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4346.244697][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4346.244697][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4346.244697][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4346.244697][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4346.244697][ T10] addrconf_dad_begin+0x310/0x670 [ 4346.244697][ T10] addrconf_dad_work+0x10b/0xab0 [ 4346.244697][ T10] process_one_work+0x84d/0x18a0 [ 4346.244697][ T10] worker_thread+0x587/0xd30 [ 4346.244697][ T10] kthread+0x28a/0x350 [ 4346.244697][ T10] ret_from_fork+0x31/0x70 [ 4346.244697][ T10] ret_from_fork_asm+0x1a/0x30 [ 4346.244697][ T10] [ 4346.246647][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4346.246647][ T10] netdev_get_by_index+0x5e/0x80 [ 4346.246647][ T10] fib6_nh_init+0x3d8/0x1580 [ 4346.246647][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4346.246647][ T10] ip6_route_add+0x1c/0x140 [ 4346.246647][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4346.246647][ T10] inet6_addr_add+0x4f8/0xa40 [ 4346.246647][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4346.246647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4346.246647][ T10] netlink_rcv_skb+0x130/0x360 [ 4346.246647][ T10] netlink_unicast+0x449/0x710 [ 4346.246647][ T10] netlink_sendmsg+0x723/0xbe0 [ 4346.246647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4346.246647][ T10] ___sys_sendmsg+0xee/0x170 [ 4346.246647][ T10] __sys_sendmsg+0xcd/0x170 [ 4346.246647][ T10] do_syscall_64+0xc6/0x1e0 [ 4346.246647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4346.246647][ T10] [ 4346.248924][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4346.248924][ T10] netdev_get_by_index+0x5e/0x80 [ 4346.248924][ T10] fib6_nh_init+0x3d8/0x1580 [ 4346.248924][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4346.248924][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4346.248924][ T10] ipv6_add_addr+0x411/0x2000 [ 4346.248924][ T10] inet6_addr_add+0x30e/0xa40 [ 4346.248924][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4346.248924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4346.248924][ T10] netlink_rcv_skb+0x130/0x360 [ 4346.248924][ T10] netlink_unicast+0x449/0x710 [ 4346.248924][ T10] netlink_sendmsg+0x723/0xbe0 [ 4346.248924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4346.248924][ T10] ___sys_sendmsg+0xee/0x170 [ 4346.248924][ T10] __sys_sendmsg+0xcd/0x170 [ 4346.248924][ T10] do_syscall_64+0xc6/0x1e0 [ 4346.248924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4346.248924][ T10] [ 4346.251223][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4346.251223][ T10] netdev_get_by_index+0x5e/0x80 [ 4346.251223][ T10] fib6_nh_init+0x3d8/0x1580 [ 4346.251223][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4346.251223][ T10] ip6_route_add+0x1c/0x140 [ 4346.251223][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4346.251223][ T10] addrconf_add_dev+0xe2/0x170 [ 4346.251223][ T10] inet6_addr_add+0x12f/0xa40 [ 4346.251223][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4346.251223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4346.251223][ T10] netlink_rcv_skb+0x130/0x360 [ 4346.251223][ T10] netlink_unicast+0x449/0x710 [ 4346.251223][ T10] netlink_sendmsg+0x723/0xbe0 [ 4346.251223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4346.251223][ T10] ___sys_sendmsg+0xee/0x170 [ 4346.251223][ T10] __sys_sendmsg+0xcd/0x170 [ 4346.251223][ T10] do_syscall_64+0xc6/0x1e0 [ 4346.251223][ T10] [ 4346.253450][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4346.253450][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4346.253450][ T10] ipv6_find_idev+0x102/0x170 [ 4346.253450][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4346.253450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4346.253450][ T10] netlink_rcv_skb+0x130/0x360 [ 4346.253450][ T10] netlink_unicast+0x449/0x710 [ 4346.253450][ T10] netlink_sendmsg+0x723/0xbe0 [ 4346.253450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4346.253450][ T10] ___sys_sendmsg+0xee/0x170 [ 4346.253450][ T10] __sys_sendmsg+0xcd/0x170 [ 4346.253450][ T10] do_syscall_64+0xc6/0x1e0 [ 4346.253450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4346.253450][ T10] [ 4346.255201][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4346.255201][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4346.255201][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4346.255201][ T10] ipv6_find_idev+0x102/0x170 [ 4346.255201][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4346.255201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4346.255201][ T10] netlink_rcv_skb+0x130/0x360 [ 4346.255201][ T10] netlink_unicast+0x449/0x710 [ 4346.255201][ T10] netlink_sendmsg+0x723/0xbe0 [ 4346.255201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4346.255201][ T10] ___sys_sendmsg+0xee/0x170 [ 4346.255201][ T10] __sys_sendmsg+0xcd/0x170 [ 4346.255201][ T10] do_syscall_64+0xc6/0x1e0 [ 4346.255201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4346.255201][ T10] [ 4346.257172][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4346.257413][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4346.257413][ T10] netdev_get_by_index+0x5e/0x80 [ 4346.257413][ T10] fib6_nh_init+0x3d8/0x1580 [ 4346.257413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4346.257413][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4346.257413][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4346.257413][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4346.257413][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4346.257413][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4346.257413][ T10] addrconf_dad_begin+0x310/0x670 [ 4346.257413][ T10] addrconf_dad_work+0x10b/0xab0 [ 4346.257413][ T10] process_one_work+0x84d/0x18a0 [ 4346.257413][ T10] worker_thread+0x587/0xd30 [ 4346.257413][ T10] kthread+0x28a/0x350 [ 4346.257413][ T10] ret_from_fork+0x31/0x70 [ 4346.257413][ T10] ret_from_fork_asm+0x1a/0x30 [ 4346.257413][ T10] [ 4346.259617][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4346.259617][ T10] netdev_get_by_index+0x5e/0x80 [ 4346.259617][ T10] fib6_nh_init+0x3d8/0x1580 [ 4346.259617][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4346.259617][ T10] ip6_route_add+0x1c/0x140 [ 4346.259617][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4346.259617][ T10] inet6_addr_add+0x4f8/0xa40 [ 4346.259617][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4346.259617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4346.259617][ T10] netlink_rcv_skb+0x130/0x360 [ 4346.259617][ T10] netlink_unicast+0x449/0x710 [ 4346.259617][ T10] netlink_sendmsg+0x723/0xbe0 [ 4346.259617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4346.259617][ T10] ___sys_sendmsg+0xee/0x170 [ 4346.259617][ T10] __sys_sendmsg+0xcd/0x170 [ 4346.259617][ T10] do_syscall_64+0xc6/0x1e0 [ 4346.259617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4346.259617][ T10] [ 4346.261880][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4346.261880][ T10] netdev_get_by_index+0x5e/0x80 [ 4346.261880][ T10] fib6_nh_init+0x3d8/0x1580 [ 4346.261880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4346.261880][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4346.261880][ T10] ipv6_add_addr+0x411/0x2000 [ 4346.261880][ T10] inet6_addr_add+0x30e/0xa40 [ 4346.261880][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4346.261880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4346.261880][ T10] netlink_rcv_skb+0x130/0x360 [ 4346.261880][ T10] netlink_unicast+0x449/0x710 [ 4346.261880][ T10] netlink_sendmsg+0x723/0xbe0 [ 4346.261880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4346.261880][ T10] ___sys_sendmsg+0xee/0x170 [ 4346.261880][ T10] __sys_sendmsg+0xcd/0x170 [ 4346.261880][ T10] do_syscall_64+0xc6/0x1e0 [ 4346.261880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4346.261880][ T10] [ 4346.264095][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4346.264095][ T10] netdev_get_by_index+0x5e/0x80 [ 4346.264095][ T10] fib6_nh_init+0x3d8/0x1580 [ 4346.264095][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4346.264095][ T10] ip6_route_add+0x1c/0x140 [ 4346.264095][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4346.264095][ T10] addrconf_add_dev+0xe2/0x170 [ 4346.264095][ T10] inet6_addr_add+0x12f/0xa40 [ 4346.264095][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4346.264095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4346.264095][ T10] netlink_rcv_skb+0x130/0x360 [ 4346.264095][ T10] netlink_unicast+0x449/0x710 [ 4346.264095][ T10] netlink_sendmsg+0x723/0xbe0 [ 4346.264095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4346.264095][ T10] ___sys_sendmsg+0xee/0x170 [ 4346.264095][ T10] __sys_sendmsg+0xcd/0x170 [ 4346.264095][ T10] do_syscall_64+0xc6/0x1e0 [ 4346.264095][ T10] [ 4346.266385][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4346.266385][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4346.266385][ T10] ipv6_find_idev+0x102/0x170 [ 4346.266385][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4346.266385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4346.266385][ T10] netlink_rcv_skb+0x130/0x360 [ 4346.266385][ T10] netlink_unicast+0x449/0x710 [ 4346.266385][ T10] netlink_sendmsg+0x723/0xbe0 [ 4346.266385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4346.266385][ T10] ___sys_sendmsg+0xee/0x170 [ 4346.266385][ T10] __sys_sendmsg+0xcd/0x170 [ 4346.266385][ T10] do_syscall_64+0xc6/0x1e0 [ 4346.266385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4346.266385][ T10] [ 4346.268154][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4346.268154][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4346.268154][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4346.268154][ T10] ipv6_find_idev+0x102/0x170 [ 4346.268154][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4346.268154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4346.268154][ T10] netlink_rcv_skb+0x130/0x360 [ 4346.268154][ T10] netlink_unicast+0x449/0x710 [ 4346.268154][ T10] netlink_sendmsg+0x723/0xbe0 [ 4346.268154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4346.268154][ T10] ___sys_sendmsg+0xee/0x170 [ 4346.268154][ T10] __sys_sendmsg+0xcd/0x170 [ 4346.268154][ T10] do_syscall_64+0xc6/0x1e0 [ 4346.268154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4346.268154][ T10] [ 4352.057118][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4352.057653][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4352.057653][ T1167] dst_init+0x84/0x4a0 [ 4352.057653][ T1167] dst_alloc+0x97/0x150 [ 4352.057653][ T1167] ip6_dst_alloc+0x23/0x90 [ 4352.057653][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4352.057653][ T1167] ip6_pol_route+0x56f/0x840 [ 4352.057653][ T1167] fib6_rule_lookup+0x334/0x630 [ 4352.057653][ T1167] ip6_route_output_flags+0x259/0x480 [ 4352.057653][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4352.057653][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4352.057653][ T1167] netlink_rcv_skb+0x130/0x360 [ 4352.057653][ T1167] netlink_unicast+0x449/0x710 [ 4352.057653][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4352.057653][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4352.057653][ T1167] ___sys_sendmsg+0xee/0x170 [ 4352.057653][ T1167] __sys_sendmsg+0xcd/0x170 [ 4352.057653][ T1167] do_syscall_64+0xc6/0x1e0 [ 4352.057653][ T1167] [ 4352.059847][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4352.059847][ T1167] netdev_get_by_index+0x5e/0x80 [ 4352.059847][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4352.059847][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4352.059847][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4352.059847][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4352.059847][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4352.059847][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4352.059847][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4352.059847][ T1167] addrconf_dad_begin+0x310/0x670 [ 4352.059847][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4352.059847][ T1167] process_one_work+0x84d/0x18a0 [ 4352.059847][ T1167] worker_thread+0x587/0xd30 [ 4352.059847][ T1167] kthread+0x28a/0x350 [ 4352.059847][ T1167] ret_from_fork+0x31/0x70 [ 4352.059847][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4352.059847][ T1167] [ 4352.061987][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4352.061987][ T1167] netdev_get_by_index+0x5e/0x80 [ 4352.061987][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4352.061987][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4352.061987][ T1167] ip6_route_add+0x1c/0x140 [ 4352.061987][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4352.061987][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4352.061987][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4352.061987][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4352.061987][ T1167] netlink_rcv_skb+0x130/0x360 [ 4352.061987][ T1167] netlink_unicast+0x449/0x710 [ 4352.061987][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4352.061987][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4352.061987][ T1167] ___sys_sendmsg+0xee/0x170 [ 4352.061987][ T1167] __sys_sendmsg+0xcd/0x170 [ 4352.061987][ T1167] do_syscall_64+0xc6/0x1e0 [ 4352.061987][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4352.061987][ T1167] [ 4352.064217][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4352.064217][ T1167] netdev_get_by_index+0x5e/0x80 [ 4352.064217][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4352.064217][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4352.064217][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4352.064217][ T1167] ipv6_add_addr+0x411/0x2000 [ 4352.064217][ T1167] inet6_addr_add+0x30e/0xa40 [ 4352.064217][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4352.064217][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4352.064217][ T1167] netlink_rcv_skb+0x130/0x360 [ 4352.064217][ T1167] netlink_unicast+0x449/0x710 [ 4352.064217][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4352.064217][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4352.064217][ T1167] ___sys_sendmsg+0xee/0x170 [ 4352.064217][ T1167] __sys_sendmsg+0xcd/0x170 [ 4352.064217][ T1167] do_syscall_64+0xc6/0x1e0 [ 4352.064217][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4352.064217][ T1167] [ 4352.066487][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4352.066487][ T1167] netdev_get_by_index+0x5e/0x80 [ 4352.066487][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4352.066487][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4352.066487][ T1167] ip6_route_add+0x1c/0x140 [ 4352.066487][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4352.066487][ T1167] addrconf_add_dev+0xe2/0x170 [ 4352.066487][ T1167] inet6_addr_add+0x12f/0xa40 [ 4352.066487][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4352.066487][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4352.066487][ T1167] netlink_rcv_skb+0x130/0x360 [ 4352.066487][ T1167] netlink_unicast+0x449/0x710 [ 4352.066487][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4352.066487][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4352.066487][ T1167] ___sys_sendmsg+0xee/0x170 [ 4352.066487][ T1167] __sys_sendmsg+0xcd/0x170 [ 4352.066487][ T1167] do_syscall_64+0xc6/0x1e0 [ 4352.066487][ T1167] [ 4352.068696][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4352.068696][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4352.068696][ T1167] ipv6_find_idev+0x102/0x170 [ 4352.068696][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4352.068696][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4352.068696][ T1167] netlink_rcv_skb+0x130/0x360 [ 4352.068696][ T1167] netlink_unicast+0x449/0x710 [ 4352.068696][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4352.068696][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4352.068696][ T1167] ___sys_sendmsg+0xee/0x170 [ 4352.068696][ T1167] __sys_sendmsg+0xcd/0x170 [ 4352.068696][ T1167] do_syscall_64+0xc6/0x1e0 [ 4352.068696][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4352.068696][ T1167] [ 4352.070428][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4352.070428][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4352.070428][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4352.070428][ T1167] ipv6_find_idev+0x102/0x170 [ 4352.070428][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4352.070428][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4352.070428][ T1167] netlink_rcv_skb+0x130/0x360 [ 4352.070428][ T1167] netlink_unicast+0x449/0x710 [ 4352.070428][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4352.070428][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4352.070428][ T1167] ___sys_sendmsg+0xee/0x170 [ 4352.070428][ T1167] __sys_sendmsg+0xcd/0x170 [ 4352.070428][ T1167] do_syscall_64+0xc6/0x1e0 [ 4352.070428][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4352.070428][ T1167] [ 4356.513057][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4356.513489][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4356.513489][ T10] netdev_get_by_index+0x5e/0x80 [ 4356.513489][ T10] fib6_nh_init+0x3d8/0x1580 [ 4356.513489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4356.513489][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4356.513489][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4356.513489][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4356.513489][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4356.513489][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4356.513489][ T10] addrconf_dad_begin+0x310/0x670 [ 4356.513489][ T10] addrconf_dad_work+0x10b/0xab0 [ 4356.513489][ T10] process_one_work+0x84d/0x18a0 [ 4356.513489][ T10] worker_thread+0x587/0xd30 [ 4356.513489][ T10] kthread+0x28a/0x350 [ 4356.513489][ T10] ret_from_fork+0x31/0x70 [ 4356.513489][ T10] ret_from_fork_asm+0x1a/0x30 [ 4356.513489][ T10] [ 4356.515490][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4356.515490][ T10] netdev_get_by_index+0x5e/0x80 [ 4356.515490][ T10] fib6_nh_init+0x3d8/0x1580 [ 4356.515490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4356.515490][ T10] ip6_route_add+0x1c/0x140 [ 4356.515490][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4356.515490][ T10] inet6_addr_add+0x4f8/0xa40 [ 4356.515490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4356.515490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4356.515490][ T10] netlink_rcv_skb+0x130/0x360 [ 4356.515490][ T10] netlink_unicast+0x449/0x710 [ 4356.515490][ T10] netlink_sendmsg+0x723/0xbe0 [ 4356.515490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4356.515490][ T10] ___sys_sendmsg+0xee/0x170 [ 4356.515490][ T10] __sys_sendmsg+0xcd/0x170 [ 4356.515490][ T10] do_syscall_64+0xc6/0x1e0 [ 4356.515490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4356.515490][ T10] [ 4356.517555][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4356.517555][ T10] netdev_get_by_index+0x5e/0x80 [ 4356.517555][ T10] fib6_nh_init+0x3d8/0x1580 [ 4356.517555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4356.517555][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4356.517555][ T10] ipv6_add_addr+0x411/0x2000 [ 4356.517555][ T10] inet6_addr_add+0x30e/0xa40 [ 4356.517555][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4356.517555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4356.517555][ T10] netlink_rcv_skb+0x130/0x360 [ 4356.517555][ T10] netlink_unicast+0x449/0x710 [ 4356.517555][ T10] netlink_sendmsg+0x723/0xbe0 [ 4356.517555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4356.517555][ T10] ___sys_sendmsg+0xee/0x170 [ 4356.517555][ T10] __sys_sendmsg+0xcd/0x170 [ 4356.517555][ T10] do_syscall_64+0xc6/0x1e0 [ 4356.517555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4356.517555][ T10] [ 4356.519612][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4356.519612][ T10] netdev_get_by_index+0x5e/0x80 [ 4356.519612][ T10] fib6_nh_init+0x3d8/0x1580 [ 4356.519612][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4356.519612][ T10] ip6_route_add+0x1c/0x140 [ 4356.519612][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4356.519612][ T10] addrconf_add_dev+0xe2/0x170 [ 4356.519612][ T10] inet6_addr_add+0x12f/0xa40 [ 4356.519612][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4356.519612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4356.519612][ T10] netlink_rcv_skb+0x130/0x360 [ 4356.519612][ T10] netlink_unicast+0x449/0x710 [ 4356.519612][ T10] netlink_sendmsg+0x723/0xbe0 [ 4356.519612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4356.519612][ T10] ___sys_sendmsg+0xee/0x170 [ 4356.519612][ T10] __sys_sendmsg+0xcd/0x170 [ 4356.519612][ T10] do_syscall_64+0xc6/0x1e0 [ 4356.519612][ T10] [ 4356.521608][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4356.521608][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4356.521608][ T10] ipv6_find_idev+0x102/0x170 [ 4356.521608][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4356.521608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4356.521608][ T10] netlink_rcv_skb+0x130/0x360 [ 4356.521608][ T10] netlink_unicast+0x449/0x710 [ 4356.521608][ T10] netlink_sendmsg+0x723/0xbe0 [ 4356.521608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4356.521608][ T10] ___sys_sendmsg+0xee/0x170 [ 4356.521608][ T10] __sys_sendmsg+0xcd/0x170 [ 4356.521608][ T10] do_syscall_64+0xc6/0x1e0 [ 4356.521608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4356.521608][ T10] [ 4356.523195][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4356.523195][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4356.523195][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4356.523195][ T10] ipv6_find_idev+0x102/0x170 [ 4356.523195][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4356.523195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4356.523195][ T10] netlink_rcv_skb+0x130/0x360 [ 4356.523195][ T10] netlink_unicast+0x449/0x710 [ 4356.523195][ T10] netlink_sendmsg+0x723/0xbe0 [ 4356.523195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4356.523195][ T10] ___sys_sendmsg+0xee/0x170 [ 4356.523195][ T10] __sys_sendmsg+0xcd/0x170 [ 4356.523195][ T10] do_syscall_64+0xc6/0x1e0 [ 4356.523195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4356.523195][ T10] [ 4356.524935][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4356.525221][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4356.525221][ T10] netdev_get_by_index+0x5e/0x80 [ 4356.525221][ T10] fib6_nh_init+0x3d8/0x1580 [ 4356.525221][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4356.525221][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4356.525221][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4356.525221][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4356.525221][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4356.525221][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4356.525221][ T10] addrconf_dad_begin+0x310/0x670 [ 4356.525221][ T10] addrconf_dad_work+0x10b/0xab0 [ 4356.525221][ T10] process_one_work+0x84d/0x18a0 [ 4356.525221][ T10] worker_thread+0x587/0xd30 [ 4356.525221][ T10] kthread+0x28a/0x350 [ 4356.525221][ T10] ret_from_fork+0x31/0x70 [ 4356.525221][ T10] ret_from_fork_asm+0x1a/0x30 [ 4356.525221][ T10] [ 4356.527193][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4356.527193][ T10] netdev_get_by_index+0x5e/0x80 [ 4356.527193][ T10] fib6_nh_init+0x3d8/0x1580 [ 4356.527193][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4356.527193][ T10] ip6_route_add+0x1c/0x140 [ 4356.527193][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4356.527193][ T10] inet6_addr_add+0x4f8/0xa40 [ 4356.527193][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4356.527193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4356.527193][ T10] netlink_rcv_skb+0x130/0x360 [ 4356.527193][ T10] netlink_unicast+0x449/0x710 [ 4356.527193][ T10] netlink_sendmsg+0x723/0xbe0 [ 4356.527193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4356.527193][ T10] ___sys_sendmsg+0xee/0x170 [ 4356.527193][ T10] __sys_sendmsg+0xcd/0x170 [ 4356.527193][ T10] do_syscall_64+0xc6/0x1e0 [ 4356.527193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4356.527193][ T10] [ 4356.529239][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4356.529239][ T10] netdev_get_by_index+0x5e/0x80 [ 4356.529239][ T10] fib6_nh_init+0x3d8/0x1580 [ 4356.529239][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4356.529239][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4356.529239][ T10] ipv6_add_addr+0x411/0x2000 [ 4356.529239][ T10] inet6_addr_add+0x30e/0xa40 [ 4356.529239][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4356.529239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4356.529239][ T10] netlink_rcv_skb+0x130/0x360 [ 4356.529239][ T10] netlink_unicast+0x449/0x710 [ 4356.529239][ T10] netlink_sendmsg+0x723/0xbe0 [ 4356.529239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4356.529239][ T10] ___sys_sendmsg+0xee/0x170 [ 4356.529239][ T10] __sys_sendmsg+0xcd/0x170 [ 4356.529239][ T10] do_syscall_64+0xc6/0x1e0 [ 4356.529239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4356.529239][ T10] [ 4356.531258][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4356.531258][ T10] netdev_get_by_index+0x5e/0x80 [ 4356.531258][ T10] fib6_nh_init+0x3d8/0x1580 [ 4356.531258][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4356.531258][ T10] ip6_route_add+0x1c/0x140 [ 4356.531258][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4356.531258][ T10] addrconf_add_dev+0xe2/0x170 [ 4356.531258][ T10] inet6_addr_add+0x12f/0xa40 [ 4356.531258][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4356.531258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4356.531258][ T10] netlink_rcv_skb+0x130/0x360 [ 4356.531258][ T10] netlink_unicast+0x449/0x710 [ 4356.531258][ T10] netlink_sendmsg+0x723/0xbe0 [ 4356.531258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4356.531258][ T10] ___sys_sendmsg+0xee/0x170 [ 4356.531258][ T10] __sys_sendmsg+0xcd/0x170 [ 4356.531258][ T10] do_syscall_64+0xc6/0x1e0 [ 4356.531258][ T10] [ 4356.533245][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4356.533245][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4356.533245][ T10] ipv6_find_idev+0x102/0x170 [ 4356.533245][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4356.533245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4356.533245][ T10] netlink_rcv_skb+0x130/0x360 [ 4356.533245][ T10] netlink_unicast+0x449/0x710 [ 4356.533245][ T10] netlink_sendmsg+0x723/0xbe0 [ 4356.533245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4356.533245][ T10] ___sys_sendmsg+0xee/0x170 [ 4356.533245][ T10] __sys_sendmsg+0xcd/0x170 [ 4356.533245][ T10] do_syscall_64+0xc6/0x1e0 [ 4356.533245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4356.533245][ T10] [ 4356.534812][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4356.534812][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4356.534812][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4356.534812][ T10] ipv6_find_idev+0x102/0x170 [ 4356.534812][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4356.534812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4356.534812][ T10] netlink_rcv_skb+0x130/0x360 [ 4356.534812][ T10] netlink_unicast+0x449/0x710 [ 4356.534812][ T10] netlink_sendmsg+0x723/0xbe0 [ 4356.534812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4356.534812][ T10] ___sys_sendmsg+0xee/0x170 [ 4356.534812][ T10] __sys_sendmsg+0xcd/0x170 [ 4356.534812][ T10] do_syscall_64+0xc6/0x1e0 [ 4356.534812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4356.534812][ T10] [ 4356.536617][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4356.536880][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4356.536880][ T10] netdev_get_by_index+0x5e/0x80 [ 4356.536880][ T10] fib6_nh_init+0x3d8/0x1580 [ 4356.536880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4356.536880][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4356.536880][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4356.536880][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4356.536880][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4356.536880][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4356.536880][ T10] addrconf_dad_begin+0x310/0x670 [ 4356.536880][ T10] addrconf_dad_work+0x10b/0xab0 [ 4356.536880][ T10] process_one_work+0x84d/0x18a0 [ 4356.536880][ T10] worker_thread+0x587/0xd30 [ 4356.536880][ T10] kthread+0x28a/0x350 [ 4356.536880][ T10] ret_from_fork+0x31/0x70 [ 4356.536880][ T10] ret_from_fork_asm+0x1a/0x30 [ 4356.536880][ T10] [ 4356.538845][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4356.538845][ T10] netdev_get_by_index+0x5e/0x80 [ 4356.538845][ T10] fib6_nh_init+0x3d8/0x1580 [ 4356.538845][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4356.538845][ T10] ip6_route_add+0x1c/0x140 [ 4356.538845][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4356.538845][ T10] inet6_addr_add+0x4f8/0xa40 [ 4356.538845][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4356.538845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4356.538845][ T10] netlink_rcv_skb+0x130/0x360 [ 4356.538845][ T10] netlink_unicast+0x449/0x710 [ 4356.538845][ T10] netlink_sendmsg+0x723/0xbe0 [ 4356.538845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4356.538845][ T10] ___sys_sendmsg+0xee/0x170 [ 4356.538845][ T10] __sys_sendmsg+0xcd/0x170 [ 4356.538845][ T10] do_syscall_64+0xc6/0x1e0 [ 4356.538845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4356.538845][ T10] [ 4356.541033][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4356.541033][ T10] netdev_get_by_index+0x5e/0x80 [ 4356.541033][ T10] fib6_nh_init+0x3d8/0x1580 [ 4356.541033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4356.541033][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4356.541033][ T10] ipv6_add_addr+0x411/0x2000 [ 4356.541033][ T10] inet6_addr_add+0x30e/0xa40 [ 4356.541033][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4356.541033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4356.541033][ T10] netlink_rcv_skb+0x130/0x360 [ 4356.541033][ T10] netlink_unicast+0x449/0x710 [ 4356.541033][ T10] netlink_sendmsg+0x723/0xbe0 [ 4356.541033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4356.541033][ T10] ___sys_sendmsg+0xee/0x170 [ 4356.541033][ T10] __sys_sendmsg+0xcd/0x170 [ 4356.541033][ T10] do_syscall_64+0xc6/0x1e0 [ 4356.541033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4356.541033][ T10] [ 4356.543199][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4356.543199][ T10] netdev_get_by_index+0x5e/0x80 [ 4356.543199][ T10] fib6_nh_init+0x3d8/0x1580 [ 4356.543199][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4356.543199][ T10] ip6_route_add+0x1c/0x140 [ 4356.543199][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4356.543199][ T10] addrconf_add_dev+0xe2/0x170 [ 4356.543199][ T10] inet6_addr_add+0x12f/0xa40 [ 4356.543199][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4356.543199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4356.543199][ T10] netlink_rcv_skb+0x130/0x360 [ 4356.543199][ T10] netlink_unicast+0x449/0x710 [ 4356.543199][ T10] netlink_sendmsg+0x723/0xbe0 [ 4356.543199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4356.543199][ T10] ___sys_sendmsg+0xee/0x170 [ 4356.543199][ T10] __sys_sendmsg+0xcd/0x170 [ 4356.543199][ T10] do_syscall_64+0xc6/0x1e0 [ 4356.543199][ T10] [ 4356.545344][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4356.545344][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4356.545344][ T10] ipv6_find_idev+0x102/0x170 [ 4356.545344][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4356.545344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4356.545344][ T10] netlink_rcv_skb+0x130/0x360 [ 4356.545344][ T10] netlink_unicast+0x449/0x710 [ 4356.545344][ T10] netlink_sendmsg+0x723/0xbe0 [ 4356.545344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4356.545344][ T10] ___sys_sendmsg+0xee/0x170 [ 4356.545344][ T10] __sys_sendmsg+0xcd/0x170 [ 4356.545344][ T10] do_syscall_64+0xc6/0x1e0 [ 4356.545344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4356.545344][ T10] [ 4356.547053][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4356.547053][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4356.547053][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4356.547053][ T10] ipv6_find_idev+0x102/0x170 [ 4356.547053][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4356.547053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4356.547053][ T10] netlink_rcv_skb+0x130/0x360 [ 4356.547053][ T10] netlink_unicast+0x449/0x710 [ 4356.547053][ T10] netlink_sendmsg+0x723/0xbe0 [ 4356.547053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4356.547053][ T10] ___sys_sendmsg+0xee/0x170 [ 4356.547053][ T10] __sys_sendmsg+0xcd/0x170 [ 4356.547053][ T10] do_syscall_64+0xc6/0x1e0 [ 4356.547053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4356.547053][ T10] [ 4356.548828][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4356.549505][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4356.549505][ T10] netdev_get_by_index+0x5e/0x80 [ 4356.549505][ T10] fib6_nh_init+0x3d8/0x1580 [ 4356.549505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4356.549505][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4356.549505][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4356.549505][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4356.549505][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4356.549505][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4356.549505][ T10] addrconf_dad_begin+0x310/0x670 [ 4356.549505][ T10] addrconf_dad_work+0x10b/0xab0 [ 4356.549505][ T10] process_one_work+0x84d/0x18a0 [ 4356.549505][ T10] worker_thread+0x587/0xd30 [ 4356.549505][ T10] kthread+0x28a/0x350 [ 4356.549505][ T10] ret_from_fork+0x31/0x70 [ 4356.549505][ T10] ret_from_fork_asm+0x1a/0x30 [ 4356.549505][ T10] [ 4356.551442][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4356.551442][ T10] netdev_get_by_index+0x5e/0x80 [ 4356.551442][ T10] fib6_nh_init+0x3d8/0x1580 [ 4356.551442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4356.551442][ T10] ip6_route_add+0x1c/0x140 [ 4356.551442][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4356.551442][ T10] inet6_addr_add+0x4f8/0xa40 [ 4356.551442][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4356.551442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4356.551442][ T10] netlink_rcv_skb+0x130/0x360 [ 4356.551442][ T10] netlink_unicast+0x449/0x710 [ 4356.551442][ T10] netlink_sendmsg+0x723/0xbe0 [ 4356.551442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4356.551442][ T10] ___sys_sendmsg+0xee/0x170 [ 4356.551442][ T10] __sys_sendmsg+0xcd/0x170 [ 4356.551442][ T10] do_syscall_64+0xc6/0x1e0 [ 4356.551442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4356.551442][ T10] [ 4356.553556][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4356.553556][ T10] netdev_get_by_index+0x5e/0x80 [ 4356.553556][ T10] fib6_nh_init+0x3d8/0x1580 [ 4356.553556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4356.553556][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4356.553556][ T10] ipv6_add_addr+0x411/0x2000 [ 4356.553556][ T10] inet6_addr_add+0x30e/0xa40 [ 4356.553556][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4356.553556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4356.553556][ T10] netlink_rcv_skb+0x130/0x360 [ 4356.553556][ T10] netlink_unicast+0x449/0x710 [ 4356.553556][ T10] netlink_sendmsg+0x723/0xbe0 [ 4356.553556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4356.553556][ T10] ___sys_sendmsg+0xee/0x170 [ 4356.553556][ T10] __sys_sendmsg+0xcd/0x170 [ 4356.553556][ T10] do_syscall_64+0xc6/0x1e0 [ 4356.553556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4356.553556][ T10] [ 4356.555740][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4356.555740][ T10] netdev_get_by_index+0x5e/0x80 [ 4356.555740][ T10] fib6_nh_init+0x3d8/0x1580 [ 4356.555740][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4356.555740][ T10] ip6_route_add+0x1c/0x140 [ 4356.555740][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4356.555740][ T10] addrconf_add_dev+0xe2/0x170 [ 4356.555740][ T10] inet6_addr_add+0x12f/0xa40 [ 4356.555740][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4356.555740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4356.555740][ T10] netlink_rcv_skb+0x130/0x360 [ 4356.555740][ T10] netlink_unicast+0x449/0x710 [ 4356.555740][ T10] netlink_sendmsg+0x723/0xbe0 [ 4356.555740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4356.555740][ T10] ___sys_sendmsg+0xee/0x170 [ 4356.555740][ T10] __sys_sendmsg+0xcd/0x170 [ 4356.555740][ T10] do_syscall_64+0xc6/0x1e0 [ 4356.555740][ T10] [ 4356.557885][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4356.557885][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4356.557885][ T10] ipv6_find_idev+0x102/0x170 [ 4356.557885][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4356.557885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4356.557885][ T10] netlink_rcv_skb+0x130/0x360 [ 4356.557885][ T10] netlink_unicast+0x449/0x710 [ 4356.557885][ T10] netlink_sendmsg+0x723/0xbe0 [ 4356.557885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4356.557885][ T10] ___sys_sendmsg+0xee/0x170 [ 4356.557885][ T10] __sys_sendmsg+0xcd/0x170 [ 4356.557885][ T10] do_syscall_64+0xc6/0x1e0 [ 4356.557885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4356.557885][ T10] [ 4356.559518][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4356.559518][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4356.559518][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4356.559518][ T10] ipv6_find_idev+0x102/0x170 [ 4356.559518][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4356.559518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4356.559518][ T10] netlink_rcv_skb+0x130/0x360 [ 4356.559518][ T10] netlink_unicast+0x449/0x710 [ 4356.559518][ T10] netlink_sendmsg+0x723/0xbe0 [ 4356.559518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4356.559518][ T10] ___sys_sendmsg+0xee/0x170 [ 4356.559518][ T10] __sys_sendmsg+0xcd/0x170 [ 4356.559518][ T10] do_syscall_64+0xc6/0x1e0 [ 4356.559518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4356.559518][ T10] [ 4362.321142][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4362.321631][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4362.321631][ T1167] dst_init+0x84/0x4a0 [ 4362.321631][ T1167] dst_alloc+0x97/0x150 [ 4362.321631][ T1167] ip6_dst_alloc+0x23/0x90 [ 4362.321631][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4362.321631][ T1167] ip6_pol_route+0x56f/0x840 [ 4362.321631][ T1167] fib6_rule_lookup+0x334/0x630 [ 4362.321631][ T1167] ip6_route_output_flags+0x259/0x480 [ 4362.321631][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4362.321631][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4362.321631][ T1167] netlink_rcv_skb+0x130/0x360 [ 4362.321631][ T1167] netlink_unicast+0x449/0x710 [ 4362.321631][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4362.321631][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4362.321631][ T1167] ___sys_sendmsg+0xee/0x170 [ 4362.321631][ T1167] __sys_sendmsg+0xcd/0x170 [ 4362.321631][ T1167] do_syscall_64+0xc6/0x1e0 [ 4362.321631][ T1167] [ 4362.323877][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4362.323877][ T1167] netdev_get_by_index+0x5e/0x80 [ 4362.323877][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4362.323877][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4362.323877][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4362.323877][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4362.323877][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4362.323877][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4362.323877][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4362.323877][ T1167] addrconf_dad_begin+0x310/0x670 [ 4362.323877][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4362.323877][ T1167] process_one_work+0x84d/0x18a0 [ 4362.323877][ T1167] worker_thread+0x587/0xd30 [ 4362.323877][ T1167] kthread+0x28a/0x350 [ 4362.323877][ T1167] ret_from_fork+0x31/0x70 [ 4362.323877][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4362.323877][ T1167] [ 4362.326036][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4362.326036][ T1167] netdev_get_by_index+0x5e/0x80 [ 4362.326036][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4362.326036][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4362.326036][ T1167] ip6_route_add+0x1c/0x140 [ 4362.326036][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4362.326036][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4362.326036][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4362.326036][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4362.326036][ T1167] netlink_rcv_skb+0x130/0x360 [ 4362.326036][ T1167] netlink_unicast+0x449/0x710 [ 4362.326036][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4362.326036][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4362.326036][ T1167] ___sys_sendmsg+0xee/0x170 [ 4362.326036][ T1167] __sys_sendmsg+0xcd/0x170 [ 4362.326036][ T1167] do_syscall_64+0xc6/0x1e0 [ 4362.326036][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4362.326036][ T1167] [ 4362.328291][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4362.328291][ T1167] netdev_get_by_index+0x5e/0x80 [ 4362.328291][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4362.328291][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4362.328291][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4362.328291][ T1167] ipv6_add_addr+0x411/0x2000 [ 4362.328291][ T1167] inet6_addr_add+0x30e/0xa40 [ 4362.328291][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4362.328291][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4362.328291][ T1167] netlink_rcv_skb+0x130/0x360 [ 4362.328291][ T1167] netlink_unicast+0x449/0x710 [ 4362.328291][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4362.328291][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4362.328291][ T1167] ___sys_sendmsg+0xee/0x170 [ 4362.328291][ T1167] __sys_sendmsg+0xcd/0x170 [ 4362.328291][ T1167] do_syscall_64+0xc6/0x1e0 [ 4362.328291][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4362.328291][ T1167] [ 4362.330542][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4362.330542][ T1167] netdev_get_by_index+0x5e/0x80 [ 4362.330542][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4362.330542][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4362.330542][ T1167] ip6_route_add+0x1c/0x140 [ 4362.330542][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4362.330542][ T1167] addrconf_add_dev+0xe2/0x170 [ 4362.330542][ T1167] inet6_addr_add+0x12f/0xa40 [ 4362.330542][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4362.330542][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4362.330542][ T1167] netlink_rcv_skb+0x130/0x360 [ 4362.330542][ T1167] netlink_unicast+0x449/0x710 [ 4362.330542][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4362.330542][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4362.330542][ T1167] ___sys_sendmsg+0xee/0x170 [ 4362.330542][ T1167] __sys_sendmsg+0xcd/0x170 [ 4362.330542][ T1167] do_syscall_64+0xc6/0x1e0 [ 4362.330542][ T1167] [ 4362.332771][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4362.332771][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4362.332771][ T1167] ipv6_find_idev+0x102/0x170 [ 4362.332771][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4362.332771][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4362.332771][ T1167] netlink_rcv_skb+0x130/0x360 [ 4362.332771][ T1167] netlink_unicast+0x449/0x710 [ 4362.332771][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4362.332771][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4362.332771][ T1167] ___sys_sendmsg+0xee/0x170 [ 4362.332771][ T1167] __sys_sendmsg+0xcd/0x170 [ 4362.332771][ T1167] do_syscall_64+0xc6/0x1e0 [ 4362.332771][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4362.332771][ T1167] [ 4362.334511][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4362.334511][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4362.334511][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4362.334511][ T1167] ipv6_find_idev+0x102/0x170 [ 4362.334511][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4362.334511][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4362.334511][ T1167] netlink_rcv_skb+0x130/0x360 [ 4362.334511][ T1167] netlink_unicast+0x449/0x710 [ 4362.334511][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4362.334511][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4362.334511][ T1167] ___sys_sendmsg+0xee/0x170 [ 4362.334511][ T1167] __sys_sendmsg+0xcd/0x170 [ 4362.334511][ T1167] do_syscall_64+0xc6/0x1e0 [ 4362.334511][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4362.334511][ T1167] [ 4366.801059][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4366.801501][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4366.801501][ T10] netdev_get_by_index+0x5e/0x80 [ 4366.801501][ T10] fib6_nh_init+0x3d8/0x1580 [ 4366.801501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4366.801501][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4366.801501][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4366.801501][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4366.801501][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4366.801501][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4366.801501][ T10] addrconf_dad_begin+0x310/0x670 [ 4366.801501][ T10] addrconf_dad_work+0x10b/0xab0 [ 4366.801501][ T10] process_one_work+0x84d/0x18a0 [ 4366.801501][ T10] worker_thread+0x587/0xd30 [ 4366.801501][ T10] kthread+0x28a/0x350 [ 4366.801501][ T10] ret_from_fork+0x31/0x70 [ 4366.801501][ T10] ret_from_fork_asm+0x1a/0x30 [ 4366.801501][ T10] [ 4366.803474][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4366.803474][ T10] netdev_get_by_index+0x5e/0x80 [ 4366.803474][ T10] fib6_nh_init+0x3d8/0x1580 [ 4366.803474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4366.803474][ T10] ip6_route_add+0x1c/0x140 [ 4366.803474][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4366.803474][ T10] inet6_addr_add+0x4f8/0xa40 [ 4366.803474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4366.803474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4366.803474][ T10] netlink_rcv_skb+0x130/0x360 [ 4366.803474][ T10] netlink_unicast+0x449/0x710 [ 4366.803474][ T10] netlink_sendmsg+0x723/0xbe0 [ 4366.803474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4366.803474][ T10] ___sys_sendmsg+0xee/0x170 [ 4366.803474][ T10] __sys_sendmsg+0xcd/0x170 [ 4366.803474][ T10] do_syscall_64+0xc6/0x1e0 [ 4366.803474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4366.803474][ T10] [ 4366.805497][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4366.805497][ T10] netdev_get_by_index+0x5e/0x80 [ 4366.805497][ T10] fib6_nh_init+0x3d8/0x1580 [ 4366.805497][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4366.805497][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4366.805497][ T10] ipv6_add_addr+0x411/0x2000 [ 4366.805497][ T10] inet6_addr_add+0x30e/0xa40 [ 4366.805497][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4366.805497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4366.805497][ T10] netlink_rcv_skb+0x130/0x360 [ 4366.805497][ T10] netlink_unicast+0x449/0x710 [ 4366.805497][ T10] netlink_sendmsg+0x723/0xbe0 [ 4366.805497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4366.805497][ T10] ___sys_sendmsg+0xee/0x170 [ 4366.805497][ T10] __sys_sendmsg+0xcd/0x170 [ 4366.805497][ T10] do_syscall_64+0xc6/0x1e0 [ 4366.805497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4366.805497][ T10] [ 4366.807547][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4366.807547][ T10] netdev_get_by_index+0x5e/0x80 [ 4366.807547][ T10] fib6_nh_init+0x3d8/0x1580 [ 4366.807547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4366.807547][ T10] ip6_route_add+0x1c/0x140 [ 4366.807547][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4366.807547][ T10] addrconf_add_dev+0xe2/0x170 [ 4366.807547][ T10] inet6_addr_add+0x12f/0xa40 [ 4366.807547][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4366.807547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4366.807547][ T10] netlink_rcv_skb+0x130/0x360 [ 4366.807547][ T10] netlink_unicast+0x449/0x710 [ 4366.807547][ T10] netlink_sendmsg+0x723/0xbe0 [ 4366.807547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4366.807547][ T10] ___sys_sendmsg+0xee/0x170 [ 4366.807547][ T10] __sys_sendmsg+0xcd/0x170 [ 4366.807547][ T10] do_syscall_64+0xc6/0x1e0 [ 4366.807547][ T10] [ 4366.809533][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4366.809533][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4366.809533][ T10] ipv6_find_idev+0x102/0x170 [ 4366.809533][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4366.809533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4366.809533][ T10] netlink_rcv_skb+0x130/0x360 [ 4366.809533][ T10] netlink_unicast+0x449/0x710 [ 4366.809533][ T10] netlink_sendmsg+0x723/0xbe0 [ 4366.809533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4366.809533][ T10] ___sys_sendmsg+0xee/0x170 [ 4366.809533][ T10] __sys_sendmsg+0xcd/0x170 [ 4366.809533][ T10] do_syscall_64+0xc6/0x1e0 [ 4366.809533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4366.809533][ T10] [ 4366.811088][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4366.811088][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4366.811088][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4366.811088][ T10] ipv6_find_idev+0x102/0x170 [ 4366.811088][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4366.811088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4366.811088][ T10] netlink_rcv_skb+0x130/0x360 [ 4366.811088][ T10] netlink_unicast+0x449/0x710 [ 4366.811088][ T10] netlink_sendmsg+0x723/0xbe0 [ 4366.811088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4366.811088][ T10] ___sys_sendmsg+0xee/0x170 [ 4366.811088][ T10] __sys_sendmsg+0xcd/0x170 [ 4366.811088][ T10] do_syscall_64+0xc6/0x1e0 [ 4366.811088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4366.811088][ T10] [ 4366.812810][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4366.813083][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4366.813083][ T10] netdev_get_by_index+0x5e/0x80 [ 4366.813083][ T10] fib6_nh_init+0x3d8/0x1580 [ 4366.813083][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4366.813083][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4366.813083][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4366.813083][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4366.813083][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4366.813083][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4366.813083][ T10] addrconf_dad_begin+0x310/0x670 [ 4366.813083][ T10] addrconf_dad_work+0x10b/0xab0 [ 4366.813083][ T10] process_one_work+0x84d/0x18a0 [ 4366.813083][ T10] worker_thread+0x587/0xd30 [ 4366.813083][ T10] kthread+0x28a/0x350 [ 4366.813083][ T10] ret_from_fork+0x31/0x70 [ 4366.813083][ T10] ret_from_fork_asm+0x1a/0x30 [ 4366.813083][ T10] [ 4366.815012][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4366.815012][ T10] netdev_get_by_index+0x5e/0x80 [ 4366.815012][ T10] fib6_nh_init+0x3d8/0x1580 [ 4366.815012][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4366.815012][ T10] ip6_route_add+0x1c/0x140 [ 4366.815012][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4366.815012][ T10] inet6_addr_add+0x4f8/0xa40 [ 4366.815012][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4366.815012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4366.815012][ T10] netlink_rcv_skb+0x130/0x360 [ 4366.815012][ T10] netlink_unicast+0x449/0x710 [ 4366.815012][ T10] netlink_sendmsg+0x723/0xbe0 [ 4366.815012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4366.815012][ T10] ___sys_sendmsg+0xee/0x170 [ 4366.815012][ T10] __sys_sendmsg+0xcd/0x170 [ 4366.815012][ T10] do_syscall_64+0xc6/0x1e0 [ 4366.815012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4366.815012][ T10] [ 4366.817066][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4366.817066][ T10] netdev_get_by_index+0x5e/0x80 [ 4366.817066][ T10] fib6_nh_init+0x3d8/0x1580 [ 4366.817066][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4366.817066][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4366.817066][ T10] ipv6_add_addr+0x411/0x2000 [ 4366.817066][ T10] inet6_addr_add+0x30e/0xa40 [ 4366.817066][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4366.817066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4366.817066][ T10] netlink_rcv_skb+0x130/0x360 [ 4366.817066][ T10] netlink_unicast+0x449/0x710 [ 4366.817066][ T10] netlink_sendmsg+0x723/0xbe0 [ 4366.817066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4366.817066][ T10] ___sys_sendmsg+0xee/0x170 [ 4366.817066][ T10] __sys_sendmsg+0xcd/0x170 [ 4366.817066][ T10] do_syscall_64+0xc6/0x1e0 [ 4366.817066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4366.817066][ T10] [ 4366.819100][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4366.819100][ T10] netdev_get_by_index+0x5e/0x80 [ 4366.819100][ T10] fib6_nh_init+0x3d8/0x1580 [ 4366.819100][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4366.819100][ T10] ip6_route_add+0x1c/0x140 [ 4366.819100][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4366.819100][ T10] addrconf_add_dev+0xe2/0x170 [ 4366.819100][ T10] inet6_addr_add+0x12f/0xa40 [ 4366.819100][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4366.819100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4366.819100][ T10] netlink_rcv_skb+0x130/0x360 [ 4366.819100][ T10] netlink_unicast+0x449/0x710 [ 4366.819100][ T10] netlink_sendmsg+0x723/0xbe0 [ 4366.819100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4366.819100][ T10] ___sys_sendmsg+0xee/0x170 [ 4366.819100][ T10] __sys_sendmsg+0xcd/0x170 [ 4366.819100][ T10] do_syscall_64+0xc6/0x1e0 [ 4366.819100][ T10] [ 4366.821095][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4366.821095][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4366.821095][ T10] ipv6_find_idev+0x102/0x170 [ 4366.821095][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4366.821095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4366.821095][ T10] netlink_rcv_skb+0x130/0x360 [ 4366.821095][ T10] netlink_unicast+0x449/0x710 [ 4366.821095][ T10] netlink_sendmsg+0x723/0xbe0 [ 4366.821095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4366.821095][ T10] ___sys_sendmsg+0xee/0x170 [ 4366.821095][ T10] __sys_sendmsg+0xcd/0x170 [ 4366.821095][ T10] do_syscall_64+0xc6/0x1e0 [ 4366.821095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4366.821095][ T10] [ 4366.822651][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4366.822651][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4366.822651][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4366.822651][ T10] ipv6_find_idev+0x102/0x170 [ 4366.822651][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4366.822651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4366.822651][ T10] netlink_rcv_skb+0x130/0x360 [ 4366.822651][ T10] netlink_unicast+0x449/0x710 [ 4366.822651][ T10] netlink_sendmsg+0x723/0xbe0 [ 4366.822651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4366.822651][ T10] ___sys_sendmsg+0xee/0x170 [ 4366.822651][ T10] __sys_sendmsg+0xcd/0x170 [ 4366.822651][ T10] do_syscall_64+0xc6/0x1e0 [ 4366.822651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4366.822651][ T10] [ 4366.824363][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4366.824608][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4366.824608][ T10] netdev_get_by_index+0x5e/0x80 [ 4366.824608][ T10] fib6_nh_init+0x3d8/0x1580 [ 4366.824608][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4366.824608][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4366.824608][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4366.824608][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4366.824608][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4366.824608][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4366.824608][ T10] addrconf_dad_begin+0x310/0x670 [ 4366.824608][ T10] addrconf_dad_work+0x10b/0xab0 [ 4366.824608][ T10] process_one_work+0x84d/0x18a0 [ 4366.824608][ T10] worker_thread+0x587/0xd30 [ 4366.824608][ T10] kthread+0x28a/0x350 [ 4366.824608][ T10] ret_from_fork+0x31/0x70 [ 4366.824608][ T10] ret_from_fork_asm+0x1a/0x30 [ 4366.824608][ T10] [ 4366.826545][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4366.826545][ T10] netdev_get_by_index+0x5e/0x80 [ 4366.826545][ T10] fib6_nh_init+0x3d8/0x1580 [ 4366.826545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4366.826545][ T10] ip6_route_add+0x1c/0x140 [ 4366.826545][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4366.826545][ T10] inet6_addr_add+0x4f8/0xa40 [ 4366.826545][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4366.826545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4366.826545][ T10] netlink_rcv_skb+0x130/0x360 [ 4366.826545][ T10] netlink_unicast+0x449/0x710 [ 4366.826545][ T10] netlink_sendmsg+0x723/0xbe0 [ 4366.826545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4366.826545][ T10] ___sys_sendmsg+0xee/0x170 [ 4366.826545][ T10] __sys_sendmsg+0xcd/0x170 [ 4366.826545][ T10] do_syscall_64+0xc6/0x1e0 [ 4366.826545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4366.826545][ T10] [ 4366.828711][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4366.828711][ T10] netdev_get_by_index+0x5e/0x80 [ 4366.828711][ T10] fib6_nh_init+0x3d8/0x1580 [ 4366.828711][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4366.828711][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4366.828711][ T10] ipv6_add_addr+0x411/0x2000 [ 4366.828711][ T10] inet6_addr_add+0x30e/0xa40 [ 4366.828711][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4366.828711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4366.828711][ T10] netlink_rcv_skb+0x130/0x360 [ 4366.828711][ T10] netlink_unicast+0x449/0x710 [ 4366.828711][ T10] netlink_sendmsg+0x723/0xbe0 [ 4366.828711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4366.828711][ T10] ___sys_sendmsg+0xee/0x170 [ 4366.828711][ T10] __sys_sendmsg+0xcd/0x170 [ 4366.828711][ T10] do_syscall_64+0xc6/0x1e0 [ 4366.828711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4366.828711][ T10] [ 4366.830865][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4366.830865][ T10] netdev_get_by_index+0x5e/0x80 [ 4366.830865][ T10] fib6_nh_init+0x3d8/0x1580 [ 4366.830865][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4366.830865][ T10] ip6_route_add+0x1c/0x140 [ 4366.830865][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4366.830865][ T10] addrconf_add_dev+0xe2/0x170 [ 4366.830865][ T10] inet6_addr_add+0x12f/0xa40 [ 4366.830865][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4366.830865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4366.830865][ T10] netlink_rcv_skb+0x130/0x360 [ 4366.830865][ T10] netlink_unicast+0x449/0x710 [ 4366.830865][ T10] netlink_sendmsg+0x723/0xbe0 [ 4366.830865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4366.830865][ T10] ___sys_sendmsg+0xee/0x170 [ 4366.830865][ T10] __sys_sendmsg+0xcd/0x170 [ 4366.830865][ T10] do_syscall_64+0xc6/0x1e0 [ 4366.830865][ T10] [ 4366.833006][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4366.833006][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4366.833006][ T10] ipv6_find_idev+0x102/0x170 [ 4366.833006][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4366.833006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4366.833006][ T10] netlink_rcv_skb+0x130/0x360 [ 4366.833006][ T10] netlink_unicast+0x449/0x710 [ 4366.833006][ T10] netlink_sendmsg+0x723/0xbe0 [ 4366.833006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4366.833006][ T10] ___sys_sendmsg+0xee/0x170 [ 4366.833006][ T10] __sys_sendmsg+0xcd/0x170 [ 4366.833006][ T10] do_syscall_64+0xc6/0x1e0 [ 4366.833006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4366.833006][ T10] [ 4366.834632][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4366.834632][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4366.834632][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4366.834632][ T10] ipv6_find_idev+0x102/0x170 [ 4366.834632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4366.834632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4366.834632][ T10] netlink_rcv_skb+0x130/0x360 [ 4366.834632][ T10] netlink_unicast+0x449/0x710 [ 4366.834632][ T10] netlink_sendmsg+0x723/0xbe0 [ 4366.834632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4366.834632][ T10] ___sys_sendmsg+0xee/0x170 [ 4366.834632][ T10] __sys_sendmsg+0xcd/0x170 [ 4366.834632][ T10] do_syscall_64+0xc6/0x1e0 [ 4366.834632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4366.834632][ T10] [ 4366.836471][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4366.836710][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4366.836710][ T10] netdev_get_by_index+0x5e/0x80 [ 4366.836710][ T10] fib6_nh_init+0x3d8/0x1580 [ 4366.836710][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4366.836710][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4366.836710][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4366.836710][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4366.836710][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4366.836710][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4366.836710][ T10] addrconf_dad_begin+0x310/0x670 [ 4366.836710][ T10] addrconf_dad_work+0x10b/0xab0 [ 4366.836710][ T10] process_one_work+0x84d/0x18a0 [ 4366.836710][ T10] worker_thread+0x587/0xd30 [ 4366.836710][ T10] kthread+0x28a/0x350 [ 4366.836710][ T10] ret_from_fork+0x31/0x70 [ 4366.836710][ T10] ret_from_fork_asm+0x1a/0x30 [ 4366.836710][ T10] [ 4366.838778][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4366.838778][ T10] netdev_get_by_index+0x5e/0x80 [ 4366.838778][ T10] fib6_nh_init+0x3d8/0x1580 [ 4366.838778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4366.838778][ T10] ip6_route_add+0x1c/0x140 [ 4366.838778][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4366.838778][ T10] inet6_addr_add+0x4f8/0xa40 [ 4366.838778][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4366.838778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4366.838778][ T10] netlink_rcv_skb+0x130/0x360 [ 4366.838778][ T10] netlink_unicast+0x449/0x710 [ 4366.838778][ T10] netlink_sendmsg+0x723/0xbe0 [ 4366.838778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4366.838778][ T10] ___sys_sendmsg+0xee/0x170 [ 4366.838778][ T10] __sys_sendmsg+0xcd/0x170 [ 4366.838778][ T10] do_syscall_64+0xc6/0x1e0 [ 4366.838778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4366.838778][ T10] [ 4366.840919][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4366.840919][ T10] netdev_get_by_index+0x5e/0x80 [ 4366.840919][ T10] fib6_nh_init+0x3d8/0x1580 [ 4366.840919][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4366.840919][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4366.840919][ T10] ipv6_add_addr+0x411/0x2000 [ 4366.840919][ T10] inet6_addr_add+0x30e/0xa40 [ 4366.840919][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4366.840919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4366.840919][ T10] netlink_rcv_skb+0x130/0x360 [ 4366.840919][ T10] netlink_unicast+0x449/0x710 [ 4366.840919][ T10] netlink_sendmsg+0x723/0xbe0 [ 4366.840919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4366.840919][ T10] ___sys_sendmsg+0xee/0x170 [ 4366.840919][ T10] __sys_sendmsg+0xcd/0x170 [ 4366.840919][ T10] do_syscall_64+0xc6/0x1e0 [ 4366.840919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4366.840919][ T10] [ 4366.843003][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4366.843003][ T10] netdev_get_by_index+0x5e/0x80 [ 4366.843003][ T10] fib6_nh_init+0x3d8/0x1580 [ 4366.843003][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4366.843003][ T10] ip6_route_add+0x1c/0x140 [ 4366.843003][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4366.843003][ T10] addrconf_add_dev+0xe2/0x170 [ 4366.843003][ T10] inet6_addr_add+0x12f/0xa40 [ 4366.843003][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4366.843003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4366.843003][ T10] netlink_rcv_skb+0x130/0x360 [ 4366.843003][ T10] netlink_unicast+0x449/0x710 [ 4366.843003][ T10] netlink_sendmsg+0x723/0xbe0 [ 4366.843003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4366.843003][ T10] ___sys_sendmsg+0xee/0x170 [ 4366.843003][ T10] __sys_sendmsg+0xcd/0x170 [ 4366.843003][ T10] do_syscall_64+0xc6/0x1e0 [ 4366.843003][ T10] [ 4366.845125][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4366.845125][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4366.845125][ T10] ipv6_find_idev+0x102/0x170 [ 4366.845125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4366.845125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4366.845125][ T10] netlink_rcv_skb+0x130/0x360 [ 4366.845125][ T10] netlink_unicast+0x449/0x710 [ 4366.845125][ T10] netlink_sendmsg+0x723/0xbe0 [ 4366.845125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4366.845125][ T10] ___sys_sendmsg+0xee/0x170 [ 4366.845125][ T10] __sys_sendmsg+0xcd/0x170 [ 4366.845125][ T10] do_syscall_64+0xc6/0x1e0 [ 4366.845125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4366.845125][ T10] [ 4366.846757][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4366.846757][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4366.846757][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4366.846757][ T10] ipv6_find_idev+0x102/0x170 [ 4366.846757][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4366.846757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4366.846757][ T10] netlink_rcv_skb+0x130/0x360 [ 4366.846757][ T10] netlink_unicast+0x449/0x710 [ 4366.846757][ T10] netlink_sendmsg+0x723/0xbe0 [ 4366.846757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4366.846757][ T10] ___sys_sendmsg+0xee/0x170 [ 4366.846757][ T10] __sys_sendmsg+0xcd/0x170 [ 4366.846757][ T10] do_syscall_64+0xc6/0x1e0 [ 4366.846757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4366.846757][ T10] [ 4372.585120][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4372.585596][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4372.585596][ T1167] dst_init+0x84/0x4a0 [ 4372.585596][ T1167] dst_alloc+0x97/0x150 [ 4372.585596][ T1167] ip6_dst_alloc+0x23/0x90 [ 4372.585596][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4372.585596][ T1167] ip6_pol_route+0x56f/0x840 [ 4372.585596][ T1167] fib6_rule_lookup+0x334/0x630 [ 4372.585596][ T1167] ip6_route_output_flags+0x259/0x480 [ 4372.585596][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4372.585596][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4372.585596][ T1167] netlink_rcv_skb+0x130/0x360 [ 4372.585596][ T1167] netlink_unicast+0x449/0x710 [ 4372.585596][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4372.585596][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4372.585596][ T1167] ___sys_sendmsg+0xee/0x170 [ 4372.585596][ T1167] __sys_sendmsg+0xcd/0x170 [ 4372.585596][ T1167] do_syscall_64+0xc6/0x1e0 [ 4372.585596][ T1167] [ 4372.587839][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4372.587839][ T1167] netdev_get_by_index+0x5e/0x80 [ 4372.587839][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4372.587839][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4372.587839][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4372.587839][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4372.587839][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4372.587839][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4372.587839][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4372.587839][ T1167] addrconf_dad_begin+0x310/0x670 [ 4372.587839][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4372.587839][ T1167] process_one_work+0x84d/0x18a0 [ 4372.587839][ T1167] worker_thread+0x587/0xd30 [ 4372.587839][ T1167] kthread+0x28a/0x350 [ 4372.587839][ T1167] ret_from_fork+0x31/0x70 [ 4372.587839][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4372.587839][ T1167] [ 4372.590006][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4372.590006][ T1167] netdev_get_by_index+0x5e/0x80 [ 4372.590006][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4372.590006][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4372.590006][ T1167] ip6_route_add+0x1c/0x140 [ 4372.590006][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4372.590006][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4372.590006][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4372.590006][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4372.590006][ T1167] netlink_rcv_skb+0x130/0x360 [ 4372.590006][ T1167] netlink_unicast+0x449/0x710 [ 4372.590006][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4372.590006][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4372.590006][ T1167] ___sys_sendmsg+0xee/0x170 [ 4372.590006][ T1167] __sys_sendmsg+0xcd/0x170 [ 4372.590006][ T1167] do_syscall_64+0xc6/0x1e0 [ 4372.590006][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4372.590006][ T1167] [ 4372.592257][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4372.592257][ T1167] netdev_get_by_index+0x5e/0x80 [ 4372.592257][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4372.592257][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4372.592257][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4372.592257][ T1167] ipv6_add_addr+0x411/0x2000 [ 4372.592257][ T1167] inet6_addr_add+0x30e/0xa40 [ 4372.592257][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4372.592257][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4372.592257][ T1167] netlink_rcv_skb+0x130/0x360 [ 4372.592257][ T1167] netlink_unicast+0x449/0x710 [ 4372.592257][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4372.592257][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4372.592257][ T1167] ___sys_sendmsg+0xee/0x170 [ 4372.592257][ T1167] __sys_sendmsg+0xcd/0x170 [ 4372.592257][ T1167] do_syscall_64+0xc6/0x1e0 [ 4372.592257][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4372.592257][ T1167] [ 4372.594501][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4372.594501][ T1167] netdev_get_by_index+0x5e/0x80 [ 4372.594501][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4372.594501][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4372.594501][ T1167] ip6_route_add+0x1c/0x140 [ 4372.594501][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4372.594501][ T1167] addrconf_add_dev+0xe2/0x170 [ 4372.594501][ T1167] inet6_addr_add+0x12f/0xa40 [ 4372.594501][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4372.594501][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4372.594501][ T1167] netlink_rcv_skb+0x130/0x360 [ 4372.594501][ T1167] netlink_unicast+0x449/0x710 [ 4372.594501][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4372.594501][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4372.594501][ T1167] ___sys_sendmsg+0xee/0x170 [ 4372.594501][ T1167] __sys_sendmsg+0xcd/0x170 [ 4372.594501][ T1167] do_syscall_64+0xc6/0x1e0 [ 4372.594501][ T1167] [ 4372.596715][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4372.596715][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4372.596715][ T1167] ipv6_find_idev+0x102/0x170 [ 4372.596715][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4372.596715][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4372.596715][ T1167] netlink_rcv_skb+0x130/0x360 [ 4372.596715][ T1167] netlink_unicast+0x449/0x710 [ 4372.596715][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4372.596715][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4372.596715][ T1167] ___sys_sendmsg+0xee/0x170 [ 4372.596715][ T1167] __sys_sendmsg+0xcd/0x170 [ 4372.596715][ T1167] do_syscall_64+0xc6/0x1e0 [ 4372.596715][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4372.596715][ T1167] [ 4372.598454][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4372.598454][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4372.598454][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4372.598454][ T1167] ipv6_find_idev+0x102/0x170 [ 4372.598454][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4372.598454][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4372.598454][ T1167] netlink_rcv_skb+0x130/0x360 [ 4372.598454][ T1167] netlink_unicast+0x449/0x710 [ 4372.598454][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4372.598454][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4372.598454][ T1167] ___sys_sendmsg+0xee/0x170 [ 4372.598454][ T1167] __sys_sendmsg+0xcd/0x170 [ 4372.598454][ T1167] do_syscall_64+0xc6/0x1e0 [ 4372.598454][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4372.598454][ T1167] [ 4377.089120][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4377.089525][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4377.089525][ T10] netdev_get_by_index+0x5e/0x80 [ 4377.089525][ T10] fib6_nh_init+0x3d8/0x1580 [ 4377.089525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4377.089525][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4377.089525][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4377.089525][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4377.089525][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4377.089525][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4377.089525][ T10] addrconf_dad_begin+0x310/0x670 [ 4377.089525][ T10] addrconf_dad_work+0x10b/0xab0 [ 4377.089525][ T10] process_one_work+0x84d/0x18a0 [ 4377.089525][ T10] worker_thread+0x587/0xd30 [ 4377.089525][ T10] kthread+0x28a/0x350 [ 4377.089525][ T10] ret_from_fork+0x31/0x70 [ 4377.089525][ T10] ret_from_fork_asm+0x1a/0x30 [ 4377.089525][ T10] [ 4377.091490][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4377.091490][ T10] netdev_get_by_index+0x5e/0x80 [ 4377.091490][ T10] fib6_nh_init+0x3d8/0x1580 [ 4377.091490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4377.091490][ T10] ip6_route_add+0x1c/0x140 [ 4377.091490][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4377.091490][ T10] inet6_addr_add+0x4f8/0xa40 [ 4377.091490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4377.091490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.091490][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.091490][ T10] netlink_unicast+0x449/0x710 [ 4377.091490][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.091490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.091490][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.091490][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.091490][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.091490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.091490][ T10] [ 4377.093595][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4377.093595][ T10] netdev_get_by_index+0x5e/0x80 [ 4377.093595][ T10] fib6_nh_init+0x3d8/0x1580 [ 4377.093595][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4377.093595][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4377.093595][ T10] ipv6_add_addr+0x411/0x2000 [ 4377.093595][ T10] inet6_addr_add+0x30e/0xa40 [ 4377.093595][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4377.093595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.093595][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.093595][ T10] netlink_unicast+0x449/0x710 [ 4377.093595][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.093595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.093595][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.093595][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.093595][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.093595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.093595][ T10] [ 4377.095591][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4377.095591][ T10] netdev_get_by_index+0x5e/0x80 [ 4377.095591][ T10] fib6_nh_init+0x3d8/0x1580 [ 4377.095591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4377.095591][ T10] ip6_route_add+0x1c/0x140 [ 4377.095591][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4377.095591][ T10] addrconf_add_dev+0xe2/0x170 [ 4377.095591][ T10] inet6_addr_add+0x12f/0xa40 [ 4377.095591][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4377.095591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.095591][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.095591][ T10] netlink_unicast+0x449/0x710 [ 4377.095591][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.095591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.095591][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.095591][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.095591][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.095591][ T10] [ 4377.097562][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4377.097562][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4377.097562][ T10] ipv6_find_idev+0x102/0x170 [ 4377.097562][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4377.097562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.097562][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.097562][ T10] netlink_unicast+0x449/0x710 [ 4377.097562][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.097562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.097562][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.097562][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.097562][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.097562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.097562][ T10] [ 4377.099111][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4377.099111][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4377.099111][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4377.099111][ T10] ipv6_find_idev+0x102/0x170 [ 4377.099111][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4377.099111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.099111][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.099111][ T10] netlink_unicast+0x449/0x710 [ 4377.099111][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.099111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.099111][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.099111][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.099111][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.099111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.099111][ T10] [ 4377.100808][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4377.101070][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4377.101070][ T10] netdev_get_by_index+0x5e/0x80 [ 4377.101070][ T10] fib6_nh_init+0x3d8/0x1580 [ 4377.101070][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4377.101070][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4377.101070][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4377.101070][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4377.101070][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4377.101070][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4377.101070][ T10] addrconf_dad_begin+0x310/0x670 [ 4377.101070][ T10] addrconf_dad_work+0x10b/0xab0 [ 4377.101070][ T10] process_one_work+0x84d/0x18a0 [ 4377.101070][ T10] worker_thread+0x587/0xd30 [ 4377.101070][ T10] kthread+0x28a/0x350 [ 4377.101070][ T10] ret_from_fork+0x31/0x70 [ 4377.101070][ T10] ret_from_fork_asm+0x1a/0x30 [ 4377.101070][ T10] [ 4377.102971][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4377.102971][ T10] netdev_get_by_index+0x5e/0x80 [ 4377.102971][ T10] fib6_nh_init+0x3d8/0x1580 [ 4377.102971][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4377.102971][ T10] ip6_route_add+0x1c/0x140 [ 4377.102971][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4377.102971][ T10] inet6_addr_add+0x4f8/0xa40 [ 4377.102971][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4377.102971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.102971][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.102971][ T10] netlink_unicast+0x449/0x710 [ 4377.102971][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.102971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.102971][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.102971][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.102971][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.102971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.102971][ T10] [ 4377.104977][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4377.104977][ T10] netdev_get_by_index+0x5e/0x80 [ 4377.104977][ T10] fib6_nh_init+0x3d8/0x1580 [ 4377.104977][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4377.104977][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4377.104977][ T10] ipv6_add_addr+0x411/0x2000 [ 4377.104977][ T10] inet6_addr_add+0x30e/0xa40 [ 4377.104977][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4377.104977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.104977][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.104977][ T10] netlink_unicast+0x449/0x710 [ 4377.104977][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.104977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.104977][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.104977][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.104977][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.104977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.104977][ T10] [ 4377.106974][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4377.106974][ T10] netdev_get_by_index+0x5e/0x80 [ 4377.106974][ T10] fib6_nh_init+0x3d8/0x1580 [ 4377.106974][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4377.106974][ T10] ip6_route_add+0x1c/0x140 [ 4377.106974][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4377.106974][ T10] addrconf_add_dev+0xe2/0x170 [ 4377.106974][ T10] inet6_addr_add+0x12f/0xa40 [ 4377.106974][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4377.106974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.106974][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.106974][ T10] netlink_unicast+0x449/0x710 [ 4377.106974][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.106974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.106974][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.106974][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.106974][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.106974][ T10] [ 4377.108931][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4377.108931][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4377.108931][ T10] ipv6_find_idev+0x102/0x170 [ 4377.108931][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4377.108931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.108931][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.108931][ T10] netlink_unicast+0x449/0x710 [ 4377.108931][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.108931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.108931][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.108931][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.108931][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.108931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.108931][ T10] [ 4377.110590][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4377.110590][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4377.110590][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4377.110590][ T10] ipv6_find_idev+0x102/0x170 [ 4377.110590][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4377.110590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.110590][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.110590][ T10] netlink_unicast+0x449/0x710 [ 4377.110590][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.110590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.110590][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.110590][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.110590][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.110590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.110590][ T10] [ 4377.112276][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4377.112523][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4377.112523][ T10] netdev_get_by_index+0x5e/0x80 [ 4377.112523][ T10] fib6_nh_init+0x3d8/0x1580 [ 4377.112523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4377.112523][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4377.112523][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4377.112523][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4377.112523][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4377.112523][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4377.112523][ T10] addrconf_dad_begin+0x310/0x670 [ 4377.112523][ T10] addrconf_dad_work+0x10b/0xab0 [ 4377.112523][ T10] process_one_work+0x84d/0x18a0 [ 4377.112523][ T10] worker_thread+0x587/0xd30 [ 4377.112523][ T10] kthread+0x28a/0x350 [ 4377.112523][ T10] ret_from_fork+0x31/0x70 [ 4377.112523][ T10] ret_from_fork_asm+0x1a/0x30 [ 4377.112523][ T10] [ 4377.114433][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4377.114433][ T10] netdev_get_by_index+0x5e/0x80 [ 4377.114433][ T10] fib6_nh_init+0x3d8/0x1580 [ 4377.114433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4377.114433][ T10] ip6_route_add+0x1c/0x140 [ 4377.114433][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4377.114433][ T10] inet6_addr_add+0x4f8/0xa40 [ 4377.114433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4377.114433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.114433][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.114433][ T10] netlink_unicast+0x449/0x710 [ 4377.114433][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.114433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.114433][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.114433][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.114433][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.114433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.114433][ T10] [ 4377.116617][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4377.116617][ T10] netdev_get_by_index+0x5e/0x80 [ 4377.116617][ T10] fib6_nh_init+0x3d8/0x1580 [ 4377.116617][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4377.116617][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4377.116617][ T10] ipv6_add_addr+0x411/0x2000 [ 4377.116617][ T10] inet6_addr_add+0x30e/0xa40 [ 4377.116617][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4377.116617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.116617][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.116617][ T10] netlink_unicast+0x449/0x710 [ 4377.116617][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.116617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.116617][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.116617][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.116617][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.116617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.116617][ T10] [ 4377.118911][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4377.118911][ T10] netdev_get_by_index+0x5e/0x80 [ 4377.118911][ T10] fib6_nh_init+0x3d8/0x1580 [ 4377.118911][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4377.118911][ T10] ip6_route_add+0x1c/0x140 [ 4377.118911][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4377.118911][ T10] addrconf_add_dev+0xe2/0x170 [ 4377.118911][ T10] inet6_addr_add+0x12f/0xa40 [ 4377.118911][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4377.118911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.118911][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.118911][ T10] netlink_unicast+0x449/0x710 [ 4377.118911][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.118911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.118911][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.118911][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.118911][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.118911][ T10] [ 4377.121037][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4377.121037][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4377.121037][ T10] ipv6_find_idev+0x102/0x170 [ 4377.121037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4377.121037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.121037][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.121037][ T10] netlink_unicast+0x449/0x710 [ 4377.121037][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.121037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.121037][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.121037][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.121037][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.121037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.121037][ T10] [ 4377.122751][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4377.122751][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4377.122751][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4377.122751][ T10] ipv6_find_idev+0x102/0x170 [ 4377.122751][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4377.122751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.122751][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.122751][ T10] netlink_unicast+0x449/0x710 [ 4377.122751][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.122751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.122751][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.122751][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.122751][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.122751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.122751][ T10] [ 4377.124654][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4377.124886][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4377.124886][ T10] netdev_get_by_index+0x5e/0x80 [ 4377.124886][ T10] fib6_nh_init+0x3d8/0x1580 [ 4377.124886][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4377.124886][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4377.124886][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4377.124886][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4377.124886][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4377.124886][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4377.124886][ T10] addrconf_dad_begin+0x310/0x670 [ 4377.124886][ T10] addrconf_dad_work+0x10b/0xab0 [ 4377.124886][ T10] process_one_work+0x84d/0x18a0 [ 4377.124886][ T10] worker_thread+0x587/0xd30 [ 4377.124886][ T10] kthread+0x28a/0x350 [ 4377.124886][ T10] ret_from_fork+0x31/0x70 [ 4377.124886][ T10] ret_from_fork_asm+0x1a/0x30 [ 4377.124886][ T10] [ 4377.127015][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4377.127015][ T10] netdev_get_by_index+0x5e/0x80 [ 4377.127015][ T10] fib6_nh_init+0x3d8/0x1580 [ 4377.127015][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4377.127015][ T10] ip6_route_add+0x1c/0x140 [ 4377.127015][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4377.127015][ T10] inet6_addr_add+0x4f8/0xa40 [ 4377.127015][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4377.127015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.127015][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.127015][ T10] netlink_unicast+0x449/0x710 [ 4377.127015][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.127015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.127015][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.127015][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.127015][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.127015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.127015][ T10] [ 4377.129300][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4377.129300][ T10] netdev_get_by_index+0x5e/0x80 [ 4377.129300][ T10] fib6_nh_init+0x3d8/0x1580 [ 4377.129300][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4377.129300][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4377.129300][ T10] ipv6_add_addr+0x411/0x2000 [ 4377.129300][ T10] inet6_addr_add+0x30e/0xa40 [ 4377.129300][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4377.129300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.129300][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.129300][ T10] netlink_unicast+0x449/0x710 [ 4377.129300][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.129300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.129300][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.129300][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.129300][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.129300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.129300][ T10] [ 4377.131964][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4377.131964][ T10] netdev_get_by_index+0x5e/0x80 [ 4377.131964][ T10] fib6_nh_init+0x3d8/0x1580 [ 4377.131964][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4377.131964][ T10] ip6_route_add+0x1c/0x140 [ 4377.131964][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4377.131964][ T10] addrconf_add_dev+0xe2/0x170 [ 4377.131964][ T10] inet6_addr_add+0x12f/0xa40 [ 4377.131964][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4377.131964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.131964][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.131964][ T10] netlink_unicast+0x449/0x710 [ 4377.131964][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.131964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.131964][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.131964][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.131964][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.131964][ T10] [ 4377.134146][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4377.134146][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4377.134146][ T10] ipv6_find_idev+0x102/0x170 [ 4377.134146][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4377.134146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.134146][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.134146][ T10] netlink_unicast+0x449/0x710 [ 4377.134146][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.134146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.134146][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.134146][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.134146][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.134146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.134146][ T10] [ 4377.135849][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4377.135849][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4377.135849][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4377.135849][ T10] ipv6_find_idev+0x102/0x170 [ 4377.135849][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4377.135849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.135849][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.135849][ T10] netlink_unicast+0x449/0x710 [ 4377.135849][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.135849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.135849][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.135849][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.135849][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.135849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.135849][ T10] [ 4382.849116][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4382.849532][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4382.849532][ T1167] dst_init+0x84/0x4a0 [ 4382.849532][ T1167] dst_alloc+0x97/0x150 [ 4382.849532][ T1167] ip6_dst_alloc+0x23/0x90 [ 4382.849532][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4382.849532][ T1167] ip6_pol_route+0x56f/0x840 [ 4382.849532][ T1167] fib6_rule_lookup+0x334/0x630 [ 4382.849532][ T1167] ip6_route_output_flags+0x259/0x480 [ 4382.849532][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4382.849532][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4382.849532][ T1167] netlink_rcv_skb+0x130/0x360 [ 4382.849532][ T1167] netlink_unicast+0x449/0x710 [ 4382.849532][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4382.849532][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4382.849532][ T1167] ___sys_sendmsg+0xee/0x170 [ 4382.849532][ T1167] __sys_sendmsg+0xcd/0x170 [ 4382.849532][ T1167] do_syscall_64+0xc6/0x1e0 [ 4382.849532][ T1167] [ 4382.852290][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4382.852290][ T1167] netdev_get_by_index+0x5e/0x80 [ 4382.852290][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4382.852290][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4382.852290][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4382.852290][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4382.852290][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4382.852290][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4382.852290][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4382.852290][ T1167] addrconf_dad_begin+0x310/0x670 [ 4382.852290][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4382.852290][ T1167] process_one_work+0x84d/0x18a0 [ 4382.852290][ T1167] worker_thread+0x587/0xd30 [ 4382.852290][ T1167] kthread+0x28a/0x350 [ 4382.852290][ T1167] ret_from_fork+0x31/0x70 [ 4382.852290][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4382.852290][ T1167] [ 4382.854442][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4382.854442][ T1167] netdev_get_by_index+0x5e/0x80 [ 4382.854442][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4382.854442][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4382.854442][ T1167] ip6_route_add+0x1c/0x140 [ 4382.854442][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4382.854442][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4382.854442][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4382.854442][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4382.854442][ T1167] netlink_rcv_skb+0x130/0x360 [ 4382.854442][ T1167] netlink_unicast+0x449/0x710 [ 4382.854442][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4382.854442][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4382.854442][ T1167] ___sys_sendmsg+0xee/0x170 [ 4382.854442][ T1167] __sys_sendmsg+0xcd/0x170 [ 4382.854442][ T1167] do_syscall_64+0xc6/0x1e0 [ 4382.854442][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4382.854442][ T1167] [ 4382.856700][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4382.856700][ T1167] netdev_get_by_index+0x5e/0x80 [ 4382.856700][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4382.856700][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4382.856700][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4382.856700][ T1167] ipv6_add_addr+0x411/0x2000 [ 4382.856700][ T1167] inet6_addr_add+0x30e/0xa40 [ 4382.856700][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4382.856700][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4382.856700][ T1167] netlink_rcv_skb+0x130/0x360 [ 4382.856700][ T1167] netlink_unicast+0x449/0x710 [ 4382.856700][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4382.856700][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4382.856700][ T1167] ___sys_sendmsg+0xee/0x170 [ 4382.856700][ T1167] __sys_sendmsg+0xcd/0x170 [ 4382.856700][ T1167] do_syscall_64+0xc6/0x1e0 [ 4382.856700][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4382.856700][ T1167] [ 4382.858961][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4382.858961][ T1167] netdev_get_by_index+0x5e/0x80 [ 4382.858961][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4382.858961][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4382.858961][ T1167] ip6_route_add+0x1c/0x140 [ 4382.858961][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4382.858961][ T1167] addrconf_add_dev+0xe2/0x170 [ 4382.858961][ T1167] inet6_addr_add+0x12f/0xa40 [ 4382.858961][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4382.858961][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4382.858961][ T1167] netlink_rcv_skb+0x130/0x360 [ 4382.858961][ T1167] netlink_unicast+0x449/0x710 [ 4382.858961][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4382.858961][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4382.858961][ T1167] ___sys_sendmsg+0xee/0x170 [ 4382.858961][ T1167] __sys_sendmsg+0xcd/0x170 [ 4382.858961][ T1167] do_syscall_64+0xc6/0x1e0 [ 4382.858961][ T1167] [ 4382.861175][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4382.861175][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4382.861175][ T1167] ipv6_find_idev+0x102/0x170 [ 4382.861175][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4382.861175][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4382.861175][ T1167] netlink_rcv_skb+0x130/0x360 [ 4382.861175][ T1167] netlink_unicast+0x449/0x710 [ 4382.861175][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4382.861175][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4382.861175][ T1167] ___sys_sendmsg+0xee/0x170 [ 4382.861175][ T1167] __sys_sendmsg+0xcd/0x170 [ 4382.861175][ T1167] do_syscall_64+0xc6/0x1e0 [ 4382.861175][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4382.861175][ T1167] [ 4382.862904][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4382.862904][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4382.862904][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4382.862904][ T1167] ipv6_find_idev+0x102/0x170 [ 4382.862904][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4382.862904][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4382.862904][ T1167] netlink_rcv_skb+0x130/0x360 [ 4382.862904][ T1167] netlink_unicast+0x449/0x710 [ 4382.862904][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4382.862904][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4382.862904][ T1167] ___sys_sendmsg+0xee/0x170 [ 4382.862904][ T1167] __sys_sendmsg+0xcd/0x170 [ 4382.862904][ T1167] do_syscall_64+0xc6/0x1e0 [ 4382.862904][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4382.862904][ T1167] [ 4387.377135][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4387.377552][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4387.377552][ T10] netdev_get_by_index+0x5e/0x80 [ 4387.377552][ T10] fib6_nh_init+0x3d8/0x1580 [ 4387.377552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4387.377552][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4387.377552][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4387.377552][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4387.377552][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4387.377552][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4387.377552][ T10] addrconf_dad_begin+0x310/0x670 [ 4387.377552][ T10] addrconf_dad_work+0x10b/0xab0 [ 4387.377552][ T10] process_one_work+0x84d/0x18a0 [ 4387.377552][ T10] worker_thread+0x587/0xd30 [ 4387.377552][ T10] kthread+0x28a/0x350 [ 4387.377552][ T10] ret_from_fork+0x31/0x70 [ 4387.377552][ T10] ret_from_fork_asm+0x1a/0x30 [ 4387.377552][ T10] [ 4387.379510][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4387.379510][ T10] netdev_get_by_index+0x5e/0x80 [ 4387.379510][ T10] fib6_nh_init+0x3d8/0x1580 [ 4387.379510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4387.379510][ T10] ip6_route_add+0x1c/0x140 [ 4387.379510][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4387.379510][ T10] inet6_addr_add+0x4f8/0xa40 [ 4387.379510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4387.379510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.379510][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.379510][ T10] netlink_unicast+0x449/0x710 [ 4387.379510][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.379510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.379510][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.379510][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.379510][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.379510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.379510][ T10] [ 4387.381502][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4387.381502][ T10] netdev_get_by_index+0x5e/0x80 [ 4387.381502][ T10] fib6_nh_init+0x3d8/0x1580 [ 4387.381502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4387.381502][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4387.381502][ T10] ipv6_add_addr+0x411/0x2000 [ 4387.381502][ T10] inet6_addr_add+0x30e/0xa40 [ 4387.381502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4387.381502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.381502][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.381502][ T10] netlink_unicast+0x449/0x710 [ 4387.381502][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.381502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.381502][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.381502][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.381502][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.381502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.381502][ T10] [ 4387.383510][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4387.383510][ T10] netdev_get_by_index+0x5e/0x80 [ 4387.383510][ T10] fib6_nh_init+0x3d8/0x1580 [ 4387.383510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4387.383510][ T10] ip6_route_add+0x1c/0x140 [ 4387.383510][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4387.383510][ T10] addrconf_add_dev+0xe2/0x170 [ 4387.383510][ T10] inet6_addr_add+0x12f/0xa40 [ 4387.383510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4387.383510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.383510][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.383510][ T10] netlink_unicast+0x449/0x710 [ 4387.383510][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.383510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.383510][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.383510][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.383510][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.383510][ T10] [ 4387.385472][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4387.385472][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4387.385472][ T10] ipv6_find_idev+0x102/0x170 [ 4387.385472][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4387.385472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.385472][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.385472][ T10] netlink_unicast+0x449/0x710 [ 4387.385472][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.385472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.385472][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.385472][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.385472][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.385472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.385472][ T10] [ 4387.387005][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4387.387005][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4387.387005][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4387.387005][ T10] ipv6_find_idev+0x102/0x170 [ 4387.387005][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4387.387005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.387005][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.387005][ T10] netlink_unicast+0x449/0x710 [ 4387.387005][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.387005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.387005][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.387005][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.387005][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.387005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.387005][ T10] [ 4387.388708][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4387.388950][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4387.388950][ T10] netdev_get_by_index+0x5e/0x80 [ 4387.388950][ T10] fib6_nh_init+0x3d8/0x1580 [ 4387.388950][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4387.388950][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4387.388950][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4387.388950][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4387.388950][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4387.388950][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4387.388950][ T10] addrconf_dad_begin+0x310/0x670 [ 4387.388950][ T10] addrconf_dad_work+0x10b/0xab0 [ 4387.388950][ T10] process_one_work+0x84d/0x18a0 [ 4387.388950][ T10] worker_thread+0x587/0xd30 [ 4387.388950][ T10] kthread+0x28a/0x350 [ 4387.388950][ T10] ret_from_fork+0x31/0x70 [ 4387.388950][ T10] ret_from_fork_asm+0x1a/0x30 [ 4387.388950][ T10] [ 4387.391205][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4387.391205][ T10] netdev_get_by_index+0x5e/0x80 [ 4387.391205][ T10] fib6_nh_init+0x3d8/0x1580 [ 4387.391205][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4387.391205][ T10] ip6_route_add+0x1c/0x140 [ 4387.391205][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4387.391205][ T10] inet6_addr_add+0x4f8/0xa40 [ 4387.391205][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4387.391205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.391205][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.391205][ T10] netlink_unicast+0x449/0x710 [ 4387.391205][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.391205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.391205][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.391205][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.391205][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.391205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.391205][ T10] [ 4387.393189][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4387.393189][ T10] netdev_get_by_index+0x5e/0x80 [ 4387.393189][ T10] fib6_nh_init+0x3d8/0x1580 [ 4387.393189][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4387.393189][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4387.393189][ T10] ipv6_add_addr+0x411/0x2000 [ 4387.393189][ T10] inet6_addr_add+0x30e/0xa40 [ 4387.393189][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4387.393189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.393189][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.393189][ T10] netlink_unicast+0x449/0x710 [ 4387.393189][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.393189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.393189][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.393189][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.393189][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.393189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.393189][ T10] [ 4387.395181][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4387.395181][ T10] netdev_get_by_index+0x5e/0x80 [ 4387.395181][ T10] fib6_nh_init+0x3d8/0x1580 [ 4387.395181][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4387.395181][ T10] ip6_route_add+0x1c/0x140 [ 4387.395181][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4387.395181][ T10] addrconf_add_dev+0xe2/0x170 [ 4387.395181][ T10] inet6_addr_add+0x12f/0xa40 [ 4387.395181][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4387.395181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.395181][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.395181][ T10] netlink_unicast+0x449/0x710 [ 4387.395181][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.395181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.395181][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.395181][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.395181][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.395181][ T10] [ 4387.397124][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4387.397124][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4387.397124][ T10] ipv6_find_idev+0x102/0x170 [ 4387.397124][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4387.397124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.397124][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.397124][ T10] netlink_unicast+0x449/0x710 [ 4387.397124][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.397124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.397124][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.397124][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.397124][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.397124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.397124][ T10] [ 4387.398663][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4387.398663][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4387.398663][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4387.398663][ T10] ipv6_find_idev+0x102/0x170 [ 4387.398663][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4387.398663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.398663][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.398663][ T10] netlink_unicast+0x449/0x710 [ 4387.398663][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.398663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.398663][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.398663][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.398663][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.398663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.398663][ T10] [ 4387.400317][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4387.400556][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4387.400556][ T10] netdev_get_by_index+0x5e/0x80 [ 4387.400556][ T10] fib6_nh_init+0x3d8/0x1580 [ 4387.400556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4387.400556][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4387.400556][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4387.400556][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4387.400556][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4387.400556][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4387.400556][ T10] addrconf_dad_begin+0x310/0x670 [ 4387.400556][ T10] addrconf_dad_work+0x10b/0xab0 [ 4387.400556][ T10] process_one_work+0x84d/0x18a0 [ 4387.400556][ T10] worker_thread+0x587/0xd30 [ 4387.400556][ T10] kthread+0x28a/0x350 [ 4387.400556][ T10] ret_from_fork+0x31/0x70 [ 4387.400556][ T10] ret_from_fork_asm+0x1a/0x30 [ 4387.400556][ T10] [ 4387.402453][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4387.402453][ T10] netdev_get_by_index+0x5e/0x80 [ 4387.402453][ T10] fib6_nh_init+0x3d8/0x1580 [ 4387.402453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4387.402453][ T10] ip6_route_add+0x1c/0x140 [ 4387.402453][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4387.402453][ T10] inet6_addr_add+0x4f8/0xa40 [ 4387.402453][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4387.402453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.402453][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.402453][ T10] netlink_unicast+0x449/0x710 [ 4387.402453][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.402453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.402453][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.402453][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.402453][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.402453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.402453][ T10] [ 4387.404567][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4387.404567][ T10] netdev_get_by_index+0x5e/0x80 [ 4387.404567][ T10] fib6_nh_init+0x3d8/0x1580 [ 4387.404567][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4387.404567][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4387.404567][ T10] ipv6_add_addr+0x411/0x2000 [ 4387.404567][ T10] inet6_addr_add+0x30e/0xa40 [ 4387.404567][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4387.404567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.404567][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.404567][ T10] netlink_unicast+0x449/0x710 [ 4387.404567][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.404567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.404567][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.404567][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.404567][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.404567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.404567][ T10] [ 4387.406906][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4387.406906][ T10] netdev_get_by_index+0x5e/0x80 [ 4387.406906][ T10] fib6_nh_init+0x3d8/0x1580 [ 4387.406906][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4387.406906][ T10] ip6_route_add+0x1c/0x140 [ 4387.406906][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4387.406906][ T10] addrconf_add_dev+0xe2/0x170 [ 4387.406906][ T10] inet6_addr_add+0x12f/0xa40 [ 4387.406906][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4387.406906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.406906][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.406906][ T10] netlink_unicast+0x449/0x710 [ 4387.406906][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.406906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.406906][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.406906][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.406906][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.406906][ T10] [ 4387.409114][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4387.409114][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4387.409114][ T10] ipv6_find_idev+0x102/0x170 [ 4387.409114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4387.409114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.409114][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.409114][ T10] netlink_unicast+0x449/0x710 [ 4387.409114][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.409114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.409114][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.409114][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.409114][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.409114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.409114][ T10] [ 4387.410846][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4387.410846][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4387.410846][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4387.410846][ T10] ipv6_find_idev+0x102/0x170 [ 4387.410846][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4387.410846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.410846][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.410846][ T10] netlink_unicast+0x449/0x710 [ 4387.410846][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.410846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.410846][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.410846][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.410846][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.410846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.410846][ T10] [ 4387.412640][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4387.412881][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4387.412881][ T10] netdev_get_by_index+0x5e/0x80 [ 4387.412881][ T10] fib6_nh_init+0x3d8/0x1580 [ 4387.412881][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4387.412881][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4387.412881][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4387.412881][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4387.412881][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4387.412881][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4387.412881][ T10] addrconf_dad_begin+0x310/0x670 [ 4387.412881][ T10] addrconf_dad_work+0x10b/0xab0 [ 4387.412881][ T10] process_one_work+0x84d/0x18a0 [ 4387.412881][ T10] worker_thread+0x587/0xd30 [ 4387.412881][ T10] kthread+0x28a/0x350 [ 4387.412881][ T10] ret_from_fork+0x31/0x70 [ 4387.412881][ T10] ret_from_fork_asm+0x1a/0x30 [ 4387.412881][ T10] [ 4387.415092][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4387.415092][ T10] netdev_get_by_index+0x5e/0x80 [ 4387.415092][ T10] fib6_nh_init+0x3d8/0x1580 [ 4387.415092][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4387.415092][ T10] ip6_route_add+0x1c/0x140 [ 4387.415092][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4387.415092][ T10] inet6_addr_add+0x4f8/0xa40 [ 4387.415092][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4387.415092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.415092][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.415092][ T10] netlink_unicast+0x449/0x710 [ 4387.415092][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.415092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.415092][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.415092][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.415092][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.415092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.415092][ T10] [ 4387.417331][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4387.417331][ T10] netdev_get_by_index+0x5e/0x80 [ 4387.417331][ T10] fib6_nh_init+0x3d8/0x1580 [ 4387.417331][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4387.417331][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4387.417331][ T10] ipv6_add_addr+0x411/0x2000 [ 4387.417331][ T10] inet6_addr_add+0x30e/0xa40 [ 4387.417331][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4387.417331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.417331][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.417331][ T10] netlink_unicast+0x449/0x710 [ 4387.417331][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.417331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.417331][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.417331][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.417331][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.417331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.417331][ T10] [ 4387.419502][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4387.419502][ T10] netdev_get_by_index+0x5e/0x80 [ 4387.419502][ T10] fib6_nh_init+0x3d8/0x1580 [ 4387.419502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4387.419502][ T10] ip6_route_add+0x1c/0x140 [ 4387.419502][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4387.419502][ T10] addrconf_add_dev+0xe2/0x170 [ 4387.419502][ T10] inet6_addr_add+0x12f/0xa40 [ 4387.419502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4387.419502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.419502][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.419502][ T10] netlink_unicast+0x449/0x710 [ 4387.419502][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.419502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.419502][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.419502][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.419502][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.419502][ T10] [ 4387.421703][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4387.421703][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4387.421703][ T10] ipv6_find_idev+0x102/0x170 [ 4387.421703][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4387.421703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.421703][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.421703][ T10] netlink_unicast+0x449/0x710 [ 4387.421703][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.421703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.421703][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.421703][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.421703][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.421703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.421703][ T10] [ 4387.423416][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4387.423416][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4387.423416][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4387.423416][ T10] ipv6_find_idev+0x102/0x170 [ 4387.423416][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4387.423416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.423416][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.423416][ T10] netlink_unicast+0x449/0x710 [ 4387.423416][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.423416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.423416][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.423416][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.423416][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.423416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.423416][ T10] [ 4393.113052][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4393.113527][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4393.113527][ T1167] dst_init+0x84/0x4a0 [ 4393.113527][ T1167] dst_alloc+0x97/0x150 [ 4393.113527][ T1167] ip6_dst_alloc+0x23/0x90 [ 4393.113527][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4393.113527][ T1167] ip6_pol_route+0x56f/0x840 [ 4393.113527][ T1167] fib6_rule_lookup+0x334/0x630 [ 4393.113527][ T1167] ip6_route_output_flags+0x259/0x480 [ 4393.113527][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4393.113527][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4393.113527][ T1167] netlink_rcv_skb+0x130/0x360 [ 4393.113527][ T1167] netlink_unicast+0x449/0x710 [ 4393.113527][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4393.113527][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4393.113527][ T1167] ___sys_sendmsg+0xee/0x170 [ 4393.113527][ T1167] __sys_sendmsg+0xcd/0x170 [ 4393.113527][ T1167] do_syscall_64+0xc6/0x1e0 [ 4393.113527][ T1167] [ 4393.115754][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4393.115754][ T1167] netdev_get_by_index+0x5e/0x80 [ 4393.115754][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4393.115754][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4393.115754][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4393.115754][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4393.115754][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4393.115754][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4393.115754][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4393.115754][ T1167] addrconf_dad_begin+0x310/0x670 [ 4393.115754][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4393.115754][ T1167] process_one_work+0x84d/0x18a0 [ 4393.115754][ T1167] worker_thread+0x587/0xd30 [ 4393.115754][ T1167] kthread+0x28a/0x350 [ 4393.115754][ T1167] ret_from_fork+0x31/0x70 [ 4393.115754][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4393.115754][ T1167] [ 4393.117928][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4393.117928][ T1167] netdev_get_by_index+0x5e/0x80 [ 4393.117928][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4393.117928][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4393.117928][ T1167] ip6_route_add+0x1c/0x140 [ 4393.117928][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4393.117928][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4393.117928][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4393.117928][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4393.117928][ T1167] netlink_rcv_skb+0x130/0x360 [ 4393.117928][ T1167] netlink_unicast+0x449/0x710 [ 4393.117928][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4393.117928][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4393.117928][ T1167] ___sys_sendmsg+0xee/0x170 [ 4393.117928][ T1167] __sys_sendmsg+0xcd/0x170 [ 4393.117928][ T1167] do_syscall_64+0xc6/0x1e0 [ 4393.117928][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4393.117928][ T1167] [ 4393.120180][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4393.120180][ T1167] netdev_get_by_index+0x5e/0x80 [ 4393.120180][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4393.120180][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4393.120180][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4393.120180][ T1167] ipv6_add_addr+0x411/0x2000 [ 4393.120180][ T1167] inet6_addr_add+0x30e/0xa40 [ 4393.120180][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4393.120180][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4393.120180][ T1167] netlink_rcv_skb+0x130/0x360 [ 4393.120180][ T1167] netlink_unicast+0x449/0x710 [ 4393.120180][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4393.120180][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4393.120180][ T1167] ___sys_sendmsg+0xee/0x170 [ 4393.120180][ T1167] __sys_sendmsg+0xcd/0x170 [ 4393.120180][ T1167] do_syscall_64+0xc6/0x1e0 [ 4393.120180][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4393.120180][ T1167] [ 4393.122421][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4393.122421][ T1167] netdev_get_by_index+0x5e/0x80 [ 4393.122421][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4393.122421][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4393.122421][ T1167] ip6_route_add+0x1c/0x140 [ 4393.122421][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4393.122421][ T1167] addrconf_add_dev+0xe2/0x170 [ 4393.122421][ T1167] inet6_addr_add+0x12f/0xa40 [ 4393.122421][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4393.122421][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4393.122421][ T1167] netlink_rcv_skb+0x130/0x360 [ 4393.122421][ T1167] netlink_unicast+0x449/0x710 [ 4393.122421][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4393.122421][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4393.122421][ T1167] ___sys_sendmsg+0xee/0x170 [ 4393.122421][ T1167] __sys_sendmsg+0xcd/0x170 [ 4393.122421][ T1167] do_syscall_64+0xc6/0x1e0 [ 4393.122421][ T1167] [ 4393.124632][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4393.124632][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4393.124632][ T1167] ipv6_find_idev+0x102/0x170 [ 4393.124632][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4393.124632][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4393.124632][ T1167] netlink_rcv_skb+0x130/0x360 [ 4393.124632][ T1167] netlink_unicast+0x449/0x710 [ 4393.124632][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4393.124632][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4393.124632][ T1167] ___sys_sendmsg+0xee/0x170 [ 4393.124632][ T1167] __sys_sendmsg+0xcd/0x170 [ 4393.124632][ T1167] do_syscall_64+0xc6/0x1e0 [ 4393.124632][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4393.124632][ T1167] [ 4393.126361][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4393.126361][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4393.126361][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4393.126361][ T1167] ipv6_find_idev+0x102/0x170 [ 4393.126361][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4393.126361][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4393.126361][ T1167] netlink_rcv_skb+0x130/0x360 [ 4393.126361][ T1167] netlink_unicast+0x449/0x710 [ 4393.126361][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4393.126361][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4393.126361][ T1167] ___sys_sendmsg+0xee/0x170 [ 4393.126361][ T1167] __sys_sendmsg+0xcd/0x170 [ 4393.126361][ T1167] do_syscall_64+0xc6/0x1e0 [ 4393.126361][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4393.126361][ T1167] [ 4397.465134][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4397.465564][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4397.465564][ T10] netdev_get_by_index+0x5e/0x80 [ 4397.465564][ T10] fib6_nh_init+0x3d8/0x1580 [ 4397.465564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4397.465564][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4397.465564][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4397.465564][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4397.465564][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4397.465564][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4397.465564][ T10] addrconf_dad_begin+0x310/0x670 [ 4397.465564][ T10] addrconf_dad_work+0x10b/0xab0 [ 4397.465564][ T10] process_one_work+0x84d/0x18a0 [ 4397.465564][ T10] worker_thread+0x587/0xd30 [ 4397.465564][ T10] kthread+0x28a/0x350 [ 4397.465564][ T10] ret_from_fork+0x31/0x70 [ 4397.465564][ T10] ret_from_fork_asm+0x1a/0x30 [ 4397.465564][ T10] [ 4397.467626][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4397.467626][ T10] netdev_get_by_index+0x5e/0x80 [ 4397.467626][ T10] fib6_nh_init+0x3d8/0x1580 [ 4397.467626][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4397.467626][ T10] ip6_route_add+0x1c/0x140 [ 4397.467626][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4397.467626][ T10] inet6_addr_add+0x4f8/0xa40 [ 4397.467626][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4397.467626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4397.467626][ T10] netlink_rcv_skb+0x130/0x360 [ 4397.467626][ T10] netlink_unicast+0x449/0x710 [ 4397.467626][ T10] netlink_sendmsg+0x723/0xbe0 [ 4397.467626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4397.467626][ T10] ___sys_sendmsg+0xee/0x170 [ 4397.467626][ T10] __sys_sendmsg+0xcd/0x170 [ 4397.467626][ T10] do_syscall_64+0xc6/0x1e0 [ 4397.467626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4397.467626][ T10] [ 4397.471759][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4397.471759][ T10] netdev_get_by_index+0x5e/0x80 [ 4397.471759][ T10] fib6_nh_init+0x3d8/0x1580 [ 4397.471759][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4397.471759][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4397.471759][ T10] ipv6_add_addr+0x411/0x2000 [ 4397.471759][ T10] inet6_addr_add+0x30e/0xa40 [ 4397.471759][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4397.471759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4397.471759][ T10] netlink_rcv_skb+0x130/0x360 [ 4397.471759][ T10] netlink_unicast+0x449/0x710 [ 4397.471759][ T10] netlink_sendmsg+0x723/0xbe0 [ 4397.471759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4397.471759][ T10] ___sys_sendmsg+0xee/0x170 [ 4397.471759][ T10] __sys_sendmsg+0xcd/0x170 [ 4397.471759][ T10] do_syscall_64+0xc6/0x1e0 [ 4397.471759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4397.471759][ T10] [ 4397.473779][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4397.473779][ T10] netdev_get_by_index+0x5e/0x80 [ 4397.473779][ T10] fib6_nh_init+0x3d8/0x1580 [ 4397.473779][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4397.473779][ T10] ip6_route_add+0x1c/0x140 [ 4397.473779][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4397.473779][ T10] addrconf_add_dev+0xe2/0x170 [ 4397.473779][ T10] inet6_addr_add+0x12f/0xa40 [ 4397.473779][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4397.473779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4397.473779][ T10] netlink_rcv_skb+0x130/0x360 [ 4397.473779][ T10] netlink_unicast+0x449/0x710 [ 4397.473779][ T10] netlink_sendmsg+0x723/0xbe0 [ 4397.473779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4397.473779][ T10] ___sys_sendmsg+0xee/0x170 [ 4397.473779][ T10] __sys_sendmsg+0xcd/0x170 [ 4397.473779][ T10] do_syscall_64+0xc6/0x1e0 [ 4397.473779][ T10] [ 4397.475738][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4397.475738][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4397.475738][ T10] ipv6_find_idev+0x102/0x170 [ 4397.475738][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4397.475738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4397.475738][ T10] netlink_rcv_skb+0x130/0x360 [ 4397.475738][ T10] netlink_unicast+0x449/0x710 [ 4397.475738][ T10] netlink_sendmsg+0x723/0xbe0 [ 4397.475738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4397.475738][ T10] ___sys_sendmsg+0xee/0x170 [ 4397.475738][ T10] __sys_sendmsg+0xcd/0x170 [ 4397.475738][ T10] do_syscall_64+0xc6/0x1e0 [ 4397.475738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4397.475738][ T10] [ 4397.477288][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4397.477288][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4397.477288][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4397.477288][ T10] ipv6_find_idev+0x102/0x170 [ 4397.477288][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4397.477288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4397.477288][ T10] netlink_rcv_skb+0x130/0x360 [ 4397.477288][ T10] netlink_unicast+0x449/0x710 [ 4397.477288][ T10] netlink_sendmsg+0x723/0xbe0 [ 4397.477288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4397.477288][ T10] ___sys_sendmsg+0xee/0x170 [ 4397.477288][ T10] __sys_sendmsg+0xcd/0x170 [ 4397.477288][ T10] do_syscall_64+0xc6/0x1e0 [ 4397.477288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4397.477288][ T10] [ 4397.478972][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4397.479225][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4397.479225][ T10] netdev_get_by_index+0x5e/0x80 [ 4397.479225][ T10] fib6_nh_init+0x3d8/0x1580 [ 4397.479225][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4397.479225][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4397.479225][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4397.479225][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4397.479225][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4397.479225][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4397.479225][ T10] addrconf_dad_begin+0x310/0x670 [ 4397.479225][ T10] addrconf_dad_work+0x10b/0xab0 [ 4397.479225][ T10] process_one_work+0x84d/0x18a0 [ 4397.479225][ T10] worker_thread+0x587/0xd30 [ 4397.479225][ T10] kthread+0x28a/0x350 [ 4397.479225][ T10] ret_from_fork+0x31/0x70 [ 4397.479225][ T10] ret_from_fork_asm+0x1a/0x30 [ 4397.479225][ T10] [ 4397.481126][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4397.481126][ T10] netdev_get_by_index+0x5e/0x80 [ 4397.481126][ T10] fib6_nh_init+0x3d8/0x1580 [ 4397.481126][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4397.481126][ T10] ip6_route_add+0x1c/0x140 [ 4397.481126][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4397.481126][ T10] inet6_addr_add+0x4f8/0xa40 [ 4397.481126][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4397.481126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4397.481126][ T10] netlink_rcv_skb+0x130/0x360 [ 4397.481126][ T10] netlink_unicast+0x449/0x710 [ 4397.481126][ T10] netlink_sendmsg+0x723/0xbe0 [ 4397.481126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4397.481126][ T10] ___sys_sendmsg+0xee/0x170 [ 4397.481126][ T10] __sys_sendmsg+0xcd/0x170 [ 4397.481126][ T10] do_syscall_64+0xc6/0x1e0 [ 4397.481126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4397.481126][ T10] [ 4397.483119][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4397.483119][ T10] netdev_get_by_index+0x5e/0x80 [ 4397.483119][ T10] fib6_nh_init+0x3d8/0x1580 [ 4397.483119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4397.483119][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4397.483119][ T10] ipv6_add_addr+0x411/0x2000 [ 4397.483119][ T10] inet6_addr_add+0x30e/0xa40 [ 4397.483119][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4397.483119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4397.483119][ T10] netlink_rcv_skb+0x130/0x360 [ 4397.483119][ T10] netlink_unicast+0x449/0x710 [ 4397.483119][ T10] netlink_sendmsg+0x723/0xbe0 [ 4397.483119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4397.483119][ T10] ___sys_sendmsg+0xee/0x170 [ 4397.483119][ T10] __sys_sendmsg+0xcd/0x170 [ 4397.483119][ T10] do_syscall_64+0xc6/0x1e0 [ 4397.483119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4397.483119][ T10] [ 4397.485130][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4397.485130][ T10] netdev_get_by_index+0x5e/0x80 [ 4397.485130][ T10] fib6_nh_init+0x3d8/0x1580 [ 4397.485130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4397.485130][ T10] ip6_route_add+0x1c/0x140 [ 4397.485130][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4397.485130][ T10] addrconf_add_dev+0xe2/0x170 [ 4397.485130][ T10] inet6_addr_add+0x12f/0xa40 [ 4397.485130][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4397.485130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4397.485130][ T10] netlink_rcv_skb+0x130/0x360 [ 4397.485130][ T10] netlink_unicast+0x449/0x710 [ 4397.485130][ T10] netlink_sendmsg+0x723/0xbe0 [ 4397.485130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4397.485130][ T10] ___sys_sendmsg+0xee/0x170 [ 4397.485130][ T10] __sys_sendmsg+0xcd/0x170 [ 4397.485130][ T10] do_syscall_64+0xc6/0x1e0 [ 4397.485130][ T10] [ 4397.487099][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4397.487099][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4397.487099][ T10] ipv6_find_idev+0x102/0x170 [ 4397.487099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4397.487099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4397.487099][ T10] netlink_rcv_skb+0x130/0x360 [ 4397.487099][ T10] netlink_unicast+0x449/0x710 [ 4397.487099][ T10] netlink_sendmsg+0x723/0xbe0 [ 4397.487099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4397.487099][ T10] ___sys_sendmsg+0xee/0x170 [ 4397.487099][ T10] __sys_sendmsg+0xcd/0x170 [ 4397.487099][ T10] do_syscall_64+0xc6/0x1e0 [ 4397.487099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4397.487099][ T10] [ 4397.488655][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4397.488655][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4397.488655][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4397.488655][ T10] ipv6_find_idev+0x102/0x170 [ 4397.488655][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4397.488655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4397.488655][ T10] netlink_rcv_skb+0x130/0x360 [ 4397.488655][ T10] netlink_unicast+0x449/0x710 [ 4397.488655][ T10] netlink_sendmsg+0x723/0xbe0 [ 4397.488655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4397.488655][ T10] ___sys_sendmsg+0xee/0x170 [ 4397.488655][ T10] __sys_sendmsg+0xcd/0x170 [ 4397.488655][ T10] do_syscall_64+0xc6/0x1e0 [ 4397.488655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4397.488655][ T10] [ 4397.490345][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4397.490579][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4397.490579][ T10] netdev_get_by_index+0x5e/0x80 [ 4397.490579][ T10] fib6_nh_init+0x3d8/0x1580 [ 4397.490579][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4397.490579][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4397.490579][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4397.490579][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4397.490579][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4397.490579][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4397.490579][ T10] addrconf_dad_begin+0x310/0x670 [ 4397.490579][ T10] addrconf_dad_work+0x10b/0xab0 [ 4397.490579][ T10] process_one_work+0x84d/0x18a0 [ 4397.490579][ T10] worker_thread+0x587/0xd30 [ 4397.490579][ T10] kthread+0x28a/0x350 [ 4397.490579][ T10] ret_from_fork+0x31/0x70 [ 4397.490579][ T10] ret_from_fork_asm+0x1a/0x30 [ 4397.490579][ T10] [ 4397.492493][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4397.492493][ T10] netdev_get_by_index+0x5e/0x80 [ 4397.492493][ T10] fib6_nh_init+0x3d8/0x1580 [ 4397.492493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4397.492493][ T10] ip6_route_add+0x1c/0x140 [ 4397.492493][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4397.492493][ T10] inet6_addr_add+0x4f8/0xa40 [ 4397.492493][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4397.492493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4397.492493][ T10] netlink_rcv_skb+0x130/0x360 [ 4397.492493][ T10] netlink_unicast+0x449/0x710 [ 4397.492493][ T10] netlink_sendmsg+0x723/0xbe0 [ 4397.492493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4397.492493][ T10] ___sys_sendmsg+0xee/0x170 [ 4397.492493][ T10] __sys_sendmsg+0xcd/0x170 [ 4397.492493][ T10] do_syscall_64+0xc6/0x1e0 [ 4397.492493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4397.492493][ T10] [ 4397.494632][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4397.494632][ T10] netdev_get_by_index+0x5e/0x80 [ 4397.494632][ T10] fib6_nh_init+0x3d8/0x1580 [ 4397.494632][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4397.494632][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4397.494632][ T10] ipv6_add_addr+0x411/0x2000 [ 4397.494632][ T10] inet6_addr_add+0x30e/0xa40 [ 4397.494632][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4397.494632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4397.494632][ T10] netlink_rcv_skb+0x130/0x360 [ 4397.494632][ T10] netlink_unicast+0x449/0x710 [ 4397.494632][ T10] netlink_sendmsg+0x723/0xbe0 [ 4397.494632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4397.494632][ T10] ___sys_sendmsg+0xee/0x170 [ 4397.494632][ T10] __sys_sendmsg+0xcd/0x170 [ 4397.494632][ T10] do_syscall_64+0xc6/0x1e0 [ 4397.494632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4397.494632][ T10] [ 4397.496817][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4397.496817][ T10] netdev_get_by_index+0x5e/0x80 [ 4397.496817][ T10] fib6_nh_init+0x3d8/0x1580 [ 4397.496817][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4397.496817][ T10] ip6_route_add+0x1c/0x140 [ 4397.496817][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4397.496817][ T10] addrconf_add_dev+0xe2/0x170 [ 4397.496817][ T10] inet6_addr_add+0x12f/0xa40 [ 4397.496817][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4397.496817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4397.496817][ T10] netlink_rcv_skb+0x130/0x360 [ 4397.496817][ T10] netlink_unicast+0x449/0x710 [ 4397.496817][ T10] netlink_sendmsg+0x723/0xbe0 [ 4397.496817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4397.496817][ T10] ___sys_sendmsg+0xee/0x170 [ 4397.496817][ T10] __sys_sendmsg+0xcd/0x170 [ 4397.496817][ T10] do_syscall_64+0xc6/0x1e0 [ 4397.496817][ T10] [ 4397.498831][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4397.498831][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4397.498831][ T10] ipv6_find_idev+0x102/0x170 [ 4397.498831][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4397.498831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4397.498831][ T10] netlink_rcv_skb+0x130/0x360 [ 4397.498831][ T10] netlink_unicast+0x449/0x710 [ 4397.498831][ T10] netlink_sendmsg+0x723/0xbe0 [ 4397.498831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4397.498831][ T10] ___sys_sendmsg+0xee/0x170 [ 4397.498831][ T10] __sys_sendmsg+0xcd/0x170 [ 4397.498831][ T10] do_syscall_64+0xc6/0x1e0 [ 4397.498831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4397.498831][ T10] [ 4397.500514][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4397.500514][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4397.500514][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4397.500514][ T10] ipv6_find_idev+0x102/0x170 [ 4397.500514][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4397.500514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4397.500514][ T10] netlink_rcv_skb+0x130/0x360 [ 4397.500514][ T10] netlink_unicast+0x449/0x710 [ 4397.500514][ T10] netlink_sendmsg+0x723/0xbe0 [ 4397.500514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4397.500514][ T10] ___sys_sendmsg+0xee/0x170 [ 4397.500514][ T10] __sys_sendmsg+0xcd/0x170 [ 4397.500514][ T10] do_syscall_64+0xc6/0x1e0 [ 4397.500514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4397.500514][ T10] [ 4397.502306][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4397.502554][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4397.502554][ T10] netdev_get_by_index+0x5e/0x80 [ 4397.502554][ T10] fib6_nh_init+0x3d8/0x1580 [ 4397.502554][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4397.502554][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4397.502554][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4397.502554][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4397.502554][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4397.502554][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4397.502554][ T10] addrconf_dad_begin+0x310/0x670 [ 4397.502554][ T10] addrconf_dad_work+0x10b/0xab0 [ 4397.502554][ T10] process_one_work+0x84d/0x18a0 [ 4397.502554][ T10] worker_thread+0x587/0xd30 [ 4397.502554][ T10] kthread+0x28a/0x350 [ 4397.502554][ T10] ret_from_fork+0x31/0x70 [ 4397.502554][ T10] ret_from_fork_asm+0x1a/0x30 [ 4397.502554][ T10] [ 4397.504573][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4397.504573][ T10] netdev_get_by_index+0x5e/0x80 [ 4397.504573][ T10] fib6_nh_init+0x3d8/0x1580 [ 4397.504573][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4397.504573][ T10] ip6_route_add+0x1c/0x140 [ 4397.504573][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4397.504573][ T10] inet6_addr_add+0x4f8/0xa40 [ 4397.504573][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4397.504573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4397.504573][ T10] netlink_rcv_skb+0x130/0x360 [ 4397.504573][ T10] netlink_unicast+0x449/0x710 [ 4397.504573][ T10] netlink_sendmsg+0x723/0xbe0 [ 4397.504573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4397.504573][ T10] ___sys_sendmsg+0xee/0x170 [ 4397.504573][ T10] __sys_sendmsg+0xcd/0x170 [ 4397.504573][ T10] do_syscall_64+0xc6/0x1e0 [ 4397.504573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4397.504573][ T10] [ 4397.506683][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4397.506683][ T10] netdev_get_by_index+0x5e/0x80 [ 4397.506683][ T10] fib6_nh_init+0x3d8/0x1580 [ 4397.506683][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4397.506683][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4397.506683][ T10] ipv6_add_addr+0x411/0x2000 [ 4397.506683][ T10] inet6_addr_add+0x30e/0xa40 [ 4397.506683][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4397.506683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4397.506683][ T10] netlink_rcv_skb+0x130/0x360 [ 4397.506683][ T10] netlink_unicast+0x449/0x710 [ 4397.506683][ T10] netlink_sendmsg+0x723/0xbe0 [ 4397.506683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4397.506683][ T10] ___sys_sendmsg+0xee/0x170 [ 4397.506683][ T10] __sys_sendmsg+0xcd/0x170 [ 4397.506683][ T10] do_syscall_64+0xc6/0x1e0 [ 4397.506683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4397.506683][ T10] [ 4397.508792][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4397.508792][ T10] netdev_get_by_index+0x5e/0x80 [ 4397.508792][ T10] fib6_nh_init+0x3d8/0x1580 [ 4397.508792][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4397.508792][ T10] ip6_route_add+0x1c/0x140 [ 4397.508792][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4397.508792][ T10] addrconf_add_dev+0xe2/0x170 [ 4397.508792][ T10] inet6_addr_add+0x12f/0xa40 [ 4397.508792][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4397.508792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4397.508792][ T10] netlink_rcv_skb+0x130/0x360 [ 4397.508792][ T10] netlink_unicast+0x449/0x710 [ 4397.508792][ T10] netlink_sendmsg+0x723/0xbe0 [ 4397.508792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4397.508792][ T10] ___sys_sendmsg+0xee/0x170 [ 4397.508792][ T10] __sys_sendmsg+0xcd/0x170 [ 4397.508792][ T10] do_syscall_64+0xc6/0x1e0 [ 4397.508792][ T10] [ 4397.510875][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4397.510875][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4397.510875][ T10] ipv6_find_idev+0x102/0x170 [ 4397.510875][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4397.510875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4397.510875][ T10] netlink_rcv_skb+0x130/0x360 [ 4397.510875][ T10] netlink_unicast+0x449/0x710 [ 4397.510875][ T10] netlink_sendmsg+0x723/0xbe0 [ 4397.510875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4397.510875][ T10] ___sys_sendmsg+0xee/0x170 [ 4397.510875][ T10] __sys_sendmsg+0xcd/0x170 [ 4397.510875][ T10] do_syscall_64+0xc6/0x1e0 [ 4397.510875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4397.510875][ T10] [ 4397.512457][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4397.512457][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4397.512457][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4397.512457][ T10] ipv6_find_idev+0x102/0x170 [ 4397.512457][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4397.512457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4397.512457][ T10] netlink_rcv_skb+0x130/0x360 [ 4397.512457][ T10] netlink_unicast+0x449/0x710 [ 4397.512457][ T10] netlink_sendmsg+0x723/0xbe0 [ 4397.512457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4397.512457][ T10] ___sys_sendmsg+0xee/0x170 [ 4397.512457][ T10] __sys_sendmsg+0xcd/0x170 [ 4397.512457][ T10] do_syscall_64+0xc6/0x1e0 [ 4397.512457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4397.512457][ T10] [ 4403.377052][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4403.377550][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4403.377550][ T1167] dst_init+0x84/0x4a0 [ 4403.377550][ T1167] dst_alloc+0x97/0x150 [ 4403.377550][ T1167] ip6_dst_alloc+0x23/0x90 [ 4403.377550][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4403.377550][ T1167] ip6_pol_route+0x56f/0x840 [ 4403.377550][ T1167] fib6_rule_lookup+0x334/0x630 [ 4403.377550][ T1167] ip6_route_output_flags+0x259/0x480 [ 4403.377550][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4403.377550][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4403.377550][ T1167] netlink_rcv_skb+0x130/0x360 [ 4403.377550][ T1167] netlink_unicast+0x449/0x710 [ 4403.377550][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4403.377550][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4403.377550][ T1167] ___sys_sendmsg+0xee/0x170 [ 4403.377550][ T1167] __sys_sendmsg+0xcd/0x170 [ 4403.377550][ T1167] do_syscall_64+0xc6/0x1e0 [ 4403.377550][ T1167] [ 4403.379823][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4403.379823][ T1167] netdev_get_by_index+0x5e/0x80 [ 4403.379823][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4403.379823][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4403.379823][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4403.379823][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4403.379823][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4403.379823][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4403.379823][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4403.379823][ T1167] addrconf_dad_begin+0x310/0x670 [ 4403.379823][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4403.379823][ T1167] process_one_work+0x84d/0x18a0 [ 4403.379823][ T1167] worker_thread+0x587/0xd30 [ 4403.379823][ T1167] kthread+0x28a/0x350 [ 4403.379823][ T1167] ret_from_fork+0x31/0x70 [ 4403.379823][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4403.379823][ T1167] [ 4403.381977][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4403.381977][ T1167] netdev_get_by_index+0x5e/0x80 [ 4403.381977][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4403.381977][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4403.381977][ T1167] ip6_route_add+0x1c/0x140 [ 4403.381977][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4403.381977][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4403.381977][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4403.381977][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4403.381977][ T1167] netlink_rcv_skb+0x130/0x360 [ 4403.381977][ T1167] netlink_unicast+0x449/0x710 [ 4403.381977][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4403.381977][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4403.381977][ T1167] ___sys_sendmsg+0xee/0x170 [ 4403.381977][ T1167] __sys_sendmsg+0xcd/0x170 [ 4403.381977][ T1167] do_syscall_64+0xc6/0x1e0 [ 4403.381977][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4403.381977][ T1167] [ 4403.384218][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4403.384218][ T1167] netdev_get_by_index+0x5e/0x80 [ 4403.384218][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4403.384218][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4403.384218][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4403.384218][ T1167] ipv6_add_addr+0x411/0x2000 [ 4403.384218][ T1167] inet6_addr_add+0x30e/0xa40 [ 4403.384218][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4403.384218][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4403.384218][ T1167] netlink_rcv_skb+0x130/0x360 [ 4403.384218][ T1167] netlink_unicast+0x449/0x710 [ 4403.384218][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4403.384218][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4403.384218][ T1167] ___sys_sendmsg+0xee/0x170 [ 4403.384218][ T1167] __sys_sendmsg+0xcd/0x170 [ 4403.384218][ T1167] do_syscall_64+0xc6/0x1e0 [ 4403.384218][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4403.384218][ T1167] [ 4403.386475][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4403.386475][ T1167] netdev_get_by_index+0x5e/0x80 [ 4403.386475][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4403.386475][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4403.386475][ T1167] ip6_route_add+0x1c/0x140 [ 4403.386475][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4403.386475][ T1167] addrconf_add_dev+0xe2/0x170 [ 4403.386475][ T1167] inet6_addr_add+0x12f/0xa40 [ 4403.386475][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4403.386475][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4403.386475][ T1167] netlink_rcv_skb+0x130/0x360 [ 4403.386475][ T1167] netlink_unicast+0x449/0x710 [ 4403.386475][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4403.386475][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4403.386475][ T1167] ___sys_sendmsg+0xee/0x170 [ 4403.386475][ T1167] __sys_sendmsg+0xcd/0x170 [ 4403.386475][ T1167] do_syscall_64+0xc6/0x1e0 [ 4403.386475][ T1167] [ 4403.388696][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4403.388696][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4403.388696][ T1167] ipv6_find_idev+0x102/0x170 [ 4403.388696][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4403.388696][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4403.388696][ T1167] netlink_rcv_skb+0x130/0x360 [ 4403.388696][ T1167] netlink_unicast+0x449/0x710 [ 4403.388696][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4403.388696][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4403.388696][ T1167] ___sys_sendmsg+0xee/0x170 [ 4403.388696][ T1167] __sys_sendmsg+0xcd/0x170 [ 4403.388696][ T1167] do_syscall_64+0xc6/0x1e0 [ 4403.388696][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4403.388696][ T1167] [ 4403.390541][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4403.390541][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4403.390541][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4403.390541][ T1167] ipv6_find_idev+0x102/0x170 [ 4403.390541][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4403.390541][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4403.390541][ T1167] netlink_rcv_skb+0x130/0x360 [ 4403.390541][ T1167] netlink_unicast+0x449/0x710 [ 4403.390541][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4403.390541][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4403.390541][ T1167] ___sys_sendmsg+0xee/0x170 [ 4403.390541][ T1167] __sys_sendmsg+0xcd/0x170 [ 4403.390541][ T1167] do_syscall_64+0xc6/0x1e0 [ 4403.390541][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4403.390541][ T1167] [ 4407.753106][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4407.753460][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4407.753460][ T10] netdev_get_by_index+0x5e/0x80 [ 4407.753460][ T10] fib6_nh_init+0x3d8/0x1580 [ 4407.753460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4407.753460][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4407.753460][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4407.753460][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4407.753460][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4407.753460][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4407.753460][ T10] addrconf_dad_begin+0x310/0x670 [ 4407.753460][ T10] addrconf_dad_work+0x10b/0xab0 [ 4407.753460][ T10] process_one_work+0x84d/0x18a0 [ 4407.753460][ T10] worker_thread+0x587/0xd30 [ 4407.753460][ T10] kthread+0x28a/0x350 [ 4407.753460][ T10] ret_from_fork+0x31/0x70 [ 4407.753460][ T10] ret_from_fork_asm+0x1a/0x30 [ 4407.753460][ T10] [ 4407.755412][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4407.755412][ T10] netdev_get_by_index+0x5e/0x80 [ 4407.755412][ T10] fib6_nh_init+0x3d8/0x1580 [ 4407.755412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4407.755412][ T10] ip6_route_add+0x1c/0x140 [ 4407.755412][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4407.755412][ T10] inet6_addr_add+0x4f8/0xa40 [ 4407.755412][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4407.755412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4407.755412][ T10] netlink_rcv_skb+0x130/0x360 [ 4407.755412][ T10] netlink_unicast+0x449/0x710 [ 4407.755412][ T10] netlink_sendmsg+0x723/0xbe0 [ 4407.755412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4407.755412][ T10] ___sys_sendmsg+0xee/0x170 [ 4407.755412][ T10] __sys_sendmsg+0xcd/0x170 [ 4407.755412][ T10] do_syscall_64+0xc6/0x1e0 [ 4407.755412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4407.755412][ T10] [ 4407.757449][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4407.757449][ T10] netdev_get_by_index+0x5e/0x80 [ 4407.757449][ T10] fib6_nh_init+0x3d8/0x1580 [ 4407.757449][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4407.757449][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4407.757449][ T10] ipv6_add_addr+0x411/0x2000 [ 4407.757449][ T10] inet6_addr_add+0x30e/0xa40 [ 4407.757449][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4407.757449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4407.757449][ T10] netlink_rcv_skb+0x130/0x360 [ 4407.757449][ T10] netlink_unicast+0x449/0x710 [ 4407.757449][ T10] netlink_sendmsg+0x723/0xbe0 [ 4407.757449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4407.757449][ T10] ___sys_sendmsg+0xee/0x170 [ 4407.757449][ T10] __sys_sendmsg+0xcd/0x170 [ 4407.757449][ T10] do_syscall_64+0xc6/0x1e0 [ 4407.757449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4407.757449][ T10] [ 4407.759458][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4407.759458][ T10] netdev_get_by_index+0x5e/0x80 [ 4407.759458][ T10] fib6_nh_init+0x3d8/0x1580 [ 4407.759458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4407.759458][ T10] ip6_route_add+0x1c/0x140 [ 4407.759458][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4407.759458][ T10] addrconf_add_dev+0xe2/0x170 [ 4407.759458][ T10] inet6_addr_add+0x12f/0xa40 [ 4407.759458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4407.759458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4407.759458][ T10] netlink_rcv_skb+0x130/0x360 [ 4407.759458][ T10] netlink_unicast+0x449/0x710 [ 4407.759458][ T10] netlink_sendmsg+0x723/0xbe0 [ 4407.759458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4407.759458][ T10] ___sys_sendmsg+0xee/0x170 [ 4407.759458][ T10] __sys_sendmsg+0xcd/0x170 [ 4407.759458][ T10] do_syscall_64+0xc6/0x1e0 [ 4407.759458][ T10] [ 4407.761427][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4407.761427][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4407.761427][ T10] ipv6_find_idev+0x102/0x170 [ 4407.761427][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4407.761427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4407.761427][ T10] netlink_rcv_skb+0x130/0x360 [ 4407.761427][ T10] netlink_unicast+0x449/0x710 [ 4407.761427][ T10] netlink_sendmsg+0x723/0xbe0 [ 4407.761427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4407.761427][ T10] ___sys_sendmsg+0xee/0x170 [ 4407.761427][ T10] __sys_sendmsg+0xcd/0x170 [ 4407.761427][ T10] do_syscall_64+0xc6/0x1e0 [ 4407.761427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4407.761427][ T10] [ 4407.762971][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4407.762971][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4407.762971][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4407.762971][ T10] ipv6_find_idev+0x102/0x170 [ 4407.762971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4407.762971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4407.762971][ T10] netlink_rcv_skb+0x130/0x360 [ 4407.762971][ T10] netlink_unicast+0x449/0x710 [ 4407.762971][ T10] netlink_sendmsg+0x723/0xbe0 [ 4407.762971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4407.762971][ T10] ___sys_sendmsg+0xee/0x170 [ 4407.762971][ T10] __sys_sendmsg+0xcd/0x170 [ 4407.762971][ T10] do_syscall_64+0xc6/0x1e0 [ 4407.762971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4407.762971][ T10] [ 4407.764649][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4407.764904][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4407.764904][ T10] netdev_get_by_index+0x5e/0x80 [ 4407.764904][ T10] fib6_nh_init+0x3d8/0x1580 [ 4407.764904][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4407.764904][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4407.764904][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4407.764904][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4407.764904][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4407.764904][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4407.764904][ T10] addrconf_dad_begin+0x310/0x670 [ 4407.764904][ T10] addrconf_dad_work+0x10b/0xab0 [ 4407.764904][ T10] process_one_work+0x84d/0x18a0 [ 4407.764904][ T10] worker_thread+0x587/0xd30 [ 4407.764904][ T10] kthread+0x28a/0x350 [ 4407.764904][ T10] ret_from_fork+0x31/0x70 [ 4407.764904][ T10] ret_from_fork_asm+0x1a/0x30 [ 4407.764904][ T10] [ 4407.766818][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4407.766818][ T10] netdev_get_by_index+0x5e/0x80 [ 4407.766818][ T10] fib6_nh_init+0x3d8/0x1580 [ 4407.766818][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4407.766818][ T10] ip6_route_add+0x1c/0x140 [ 4407.766818][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4407.766818][ T10] inet6_addr_add+0x4f8/0xa40 [ 4407.766818][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4407.766818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4407.766818][ T10] netlink_rcv_skb+0x130/0x360 [ 4407.766818][ T10] netlink_unicast+0x449/0x710 [ 4407.766818][ T10] netlink_sendmsg+0x723/0xbe0 [ 4407.766818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4407.766818][ T10] ___sys_sendmsg+0xee/0x170 [ 4407.766818][ T10] __sys_sendmsg+0xcd/0x170 [ 4407.766818][ T10] do_syscall_64+0xc6/0x1e0 [ 4407.766818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4407.766818][ T10] [ 4407.768815][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4407.768815][ T10] netdev_get_by_index+0x5e/0x80 [ 4407.768815][ T10] fib6_nh_init+0x3d8/0x1580 [ 4407.768815][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4407.768815][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4407.768815][ T10] ipv6_add_addr+0x411/0x2000 [ 4407.768815][ T10] inet6_addr_add+0x30e/0xa40 [ 4407.768815][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4407.768815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4407.768815][ T10] netlink_rcv_skb+0x130/0x360 [ 4407.768815][ T10] netlink_unicast+0x449/0x710 [ 4407.768815][ T10] netlink_sendmsg+0x723/0xbe0 [ 4407.768815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4407.768815][ T10] ___sys_sendmsg+0xee/0x170 [ 4407.768815][ T10] __sys_sendmsg+0xcd/0x170 [ 4407.768815][ T10] do_syscall_64+0xc6/0x1e0 [ 4407.768815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4407.768815][ T10] [ 4407.770815][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4407.770815][ T10] netdev_get_by_index+0x5e/0x80 [ 4407.770815][ T10] fib6_nh_init+0x3d8/0x1580 [ 4407.770815][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4407.770815][ T10] ip6_route_add+0x1c/0x140 [ 4407.770815][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4407.770815][ T10] addrconf_add_dev+0xe2/0x170 [ 4407.770815][ T10] inet6_addr_add+0x12f/0xa40 [ 4407.770815][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4407.770815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4407.770815][ T10] netlink_rcv_skb+0x130/0x360 [ 4407.770815][ T10] netlink_unicast+0x449/0x710 [ 4407.770815][ T10] netlink_sendmsg+0x723/0xbe0 [ 4407.770815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4407.770815][ T10] ___sys_sendmsg+0xee/0x170 [ 4407.770815][ T10] __sys_sendmsg+0xcd/0x170 [ 4407.770815][ T10] do_syscall_64+0xc6/0x1e0 [ 4407.770815][ T10] [ 4407.772784][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4407.772784][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4407.772784][ T10] ipv6_find_idev+0x102/0x170 [ 4407.772784][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4407.772784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4407.772784][ T10] netlink_rcv_skb+0x130/0x360 [ 4407.772784][ T10] netlink_unicast+0x449/0x710 [ 4407.772784][ T10] netlink_sendmsg+0x723/0xbe0 [ 4407.772784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4407.772784][ T10] ___sys_sendmsg+0xee/0x170 [ 4407.772784][ T10] __sys_sendmsg+0xcd/0x170 [ 4407.772784][ T10] do_syscall_64+0xc6/0x1e0 [ 4407.772784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4407.772784][ T10] [ 4407.774305][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4407.774305][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4407.774305][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4407.774305][ T10] ipv6_find_idev+0x102/0x170 [ 4407.774305][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4407.774305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4407.774305][ T10] netlink_rcv_skb+0x130/0x360 [ 4407.774305][ T10] netlink_unicast+0x449/0x710 [ 4407.774305][ T10] netlink_sendmsg+0x723/0xbe0 [ 4407.774305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4407.774305][ T10] ___sys_sendmsg+0xee/0x170 [ 4407.774305][ T10] __sys_sendmsg+0xcd/0x170 [ 4407.774305][ T10] do_syscall_64+0xc6/0x1e0 [ 4407.774305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4407.774305][ T10] [ 4407.775980][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4407.776236][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4407.776236][ T10] netdev_get_by_index+0x5e/0x80 [ 4407.776236][ T10] fib6_nh_init+0x3d8/0x1580 [ 4407.776236][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4407.776236][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4407.776236][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4407.776236][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4407.776236][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4407.776236][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4407.776236][ T10] addrconf_dad_begin+0x310/0x670 [ 4407.776236][ T10] addrconf_dad_work+0x10b/0xab0 [ 4407.776236][ T10] process_one_work+0x84d/0x18a0 [ 4407.776236][ T10] worker_thread+0x587/0xd30 [ 4407.776236][ T10] kthread+0x28a/0x350 [ 4407.776236][ T10] ret_from_fork+0x31/0x70 [ 4407.776236][ T10] ret_from_fork_asm+0x1a/0x30 [ 4407.776236][ T10] [ 4407.778135][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4407.778135][ T10] netdev_get_by_index+0x5e/0x80 [ 4407.778135][ T10] fib6_nh_init+0x3d8/0x1580 [ 4407.778135][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4407.778135][ T10] ip6_route_add+0x1c/0x140 [ 4407.778135][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4407.778135][ T10] inet6_addr_add+0x4f8/0xa40 [ 4407.778135][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4407.778135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4407.778135][ T10] netlink_rcv_skb+0x130/0x360 [ 4407.778135][ T10] netlink_unicast+0x449/0x710 [ 4407.778135][ T10] netlink_sendmsg+0x723/0xbe0 [ 4407.778135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4407.778135][ T10] ___sys_sendmsg+0xee/0x170 [ 4407.778135][ T10] __sys_sendmsg+0xcd/0x170 [ 4407.778135][ T10] do_syscall_64+0xc6/0x1e0 [ 4407.778135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4407.778135][ T10] [ 4407.780297][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4407.780297][ T10] netdev_get_by_index+0x5e/0x80 [ 4407.780297][ T10] fib6_nh_init+0x3d8/0x1580 [ 4407.780297][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4407.780297][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4407.780297][ T10] ipv6_add_addr+0x411/0x2000 [ 4407.780297][ T10] inet6_addr_add+0x30e/0xa40 [ 4407.780297][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4407.780297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4407.780297][ T10] netlink_rcv_skb+0x130/0x360 [ 4407.780297][ T10] netlink_unicast+0x449/0x710 [ 4407.780297][ T10] netlink_sendmsg+0x723/0xbe0 [ 4407.780297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4407.780297][ T10] ___sys_sendmsg+0xee/0x170 [ 4407.780297][ T10] __sys_sendmsg+0xcd/0x170 [ 4407.780297][ T10] do_syscall_64+0xc6/0x1e0 [ 4407.780297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4407.780297][ T10] [ 4407.782520][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4407.782520][ T10] netdev_get_by_index+0x5e/0x80 [ 4407.782520][ T10] fib6_nh_init+0x3d8/0x1580 [ 4407.782520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4407.782520][ T10] ip6_route_add+0x1c/0x140 [ 4407.782520][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4407.782520][ T10] addrconf_add_dev+0xe2/0x170 [ 4407.782520][ T10] inet6_addr_add+0x12f/0xa40 [ 4407.782520][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4407.782520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4407.782520][ T10] netlink_rcv_skb+0x130/0x360 [ 4407.782520][ T10] netlink_unicast+0x449/0x710 [ 4407.782520][ T10] netlink_sendmsg+0x723/0xbe0 [ 4407.782520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4407.782520][ T10] ___sys_sendmsg+0xee/0x170 [ 4407.782520][ T10] __sys_sendmsg+0xcd/0x170 [ 4407.782520][ T10] do_syscall_64+0xc6/0x1e0 [ 4407.782520][ T10] [ 4407.784660][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4407.784660][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4407.784660][ T10] ipv6_find_idev+0x102/0x170 [ 4407.784660][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4407.784660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4407.784660][ T10] netlink_rcv_skb+0x130/0x360 [ 4407.784660][ T10] netlink_unicast+0x449/0x710 [ 4407.784660][ T10] netlink_sendmsg+0x723/0xbe0 [ 4407.784660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4407.784660][ T10] ___sys_sendmsg+0xee/0x170 [ 4407.784660][ T10] __sys_sendmsg+0xcd/0x170 [ 4407.784660][ T10] do_syscall_64+0xc6/0x1e0 [ 4407.784660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4407.784660][ T10] [ 4407.786425][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4407.786425][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4407.786425][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4407.786425][ T10] ipv6_find_idev+0x102/0x170 [ 4407.786425][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4407.786425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4407.786425][ T10] netlink_rcv_skb+0x130/0x360 [ 4407.786425][ T10] netlink_unicast+0x449/0x710 [ 4407.786425][ T10] netlink_sendmsg+0x723/0xbe0 [ 4407.786425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4407.786425][ T10] ___sys_sendmsg+0xee/0x170 [ 4407.786425][ T10] __sys_sendmsg+0xcd/0x170 [ 4407.786425][ T10] do_syscall_64+0xc6/0x1e0 [ 4407.786425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4407.786425][ T10] [ 4407.788364][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4407.788597][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4407.788597][ T10] netdev_get_by_index+0x5e/0x80 [ 4407.788597][ T10] fib6_nh_init+0x3d8/0x1580 [ 4407.788597][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4407.788597][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4407.788597][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4407.788597][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4407.788597][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4407.788597][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4407.788597][ T10] addrconf_dad_begin+0x310/0x670 [ 4407.788597][ T10] addrconf_dad_work+0x10b/0xab0 [ 4407.788597][ T10] process_one_work+0x84d/0x18a0 [ 4407.788597][ T10] worker_thread+0x587/0xd30 [ 4407.788597][ T10] kthread+0x28a/0x350 [ 4407.788597][ T10] ret_from_fork+0x31/0x70 [ 4407.788597][ T10] ret_from_fork_asm+0x1a/0x30 [ 4407.788597][ T10] [ 4407.790757][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4407.790757][ T10] netdev_get_by_index+0x5e/0x80 [ 4407.790757][ T10] fib6_nh_init+0x3d8/0x1580 [ 4407.790757][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4407.790757][ T10] ip6_route_add+0x1c/0x140 [ 4407.790757][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4407.790757][ T10] inet6_addr_add+0x4f8/0xa40 [ 4407.790757][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4407.790757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4407.790757][ T10] netlink_rcv_skb+0x130/0x360 [ 4407.790757][ T10] netlink_unicast+0x449/0x710 [ 4407.790757][ T10] netlink_sendmsg+0x723/0xbe0 [ 4407.790757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4407.790757][ T10] ___sys_sendmsg+0xee/0x170 [ 4407.790757][ T10] __sys_sendmsg+0xcd/0x170 [ 4407.790757][ T10] do_syscall_64+0xc6/0x1e0 [ 4407.790757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4407.790757][ T10] [ 4407.792934][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4407.792934][ T10] netdev_get_by_index+0x5e/0x80 [ 4407.792934][ T10] fib6_nh_init+0x3d8/0x1580 [ 4407.792934][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4407.792934][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4407.792934][ T10] ipv6_add_addr+0x411/0x2000 [ 4407.792934][ T10] inet6_addr_add+0x30e/0xa40 [ 4407.792934][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4407.792934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4407.792934][ T10] netlink_rcv_skb+0x130/0x360 [ 4407.792934][ T10] netlink_unicast+0x449/0x710 [ 4407.792934][ T10] netlink_sendmsg+0x723/0xbe0 [ 4407.792934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4407.792934][ T10] ___sys_sendmsg+0xee/0x170 [ 4407.792934][ T10] __sys_sendmsg+0xcd/0x170 [ 4407.792934][ T10] do_syscall_64+0xc6/0x1e0 [ 4407.792934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4407.792934][ T10] [ 4407.795241][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4407.795241][ T10] netdev_get_by_index+0x5e/0x80 [ 4407.795241][ T10] fib6_nh_init+0x3d8/0x1580 [ 4407.795241][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4407.795241][ T10] ip6_route_add+0x1c/0x140 [ 4407.795241][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4407.795241][ T10] addrconf_add_dev+0xe2/0x170 [ 4407.795241][ T10] inet6_addr_add+0x12f/0xa40 [ 4407.795241][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4407.795241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4407.795241][ T10] netlink_rcv_skb+0x130/0x360 [ 4407.795241][ T10] netlink_unicast+0x449/0x710 [ 4407.795241][ T10] netlink_sendmsg+0x723/0xbe0 [ 4407.795241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4407.795241][ T10] ___sys_sendmsg+0xee/0x170 [ 4407.795241][ T10] __sys_sendmsg+0xcd/0x170 [ 4407.795241][ T10] do_syscall_64+0xc6/0x1e0 [ 4407.795241][ T10] [ 4407.797512][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4407.797512][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4407.797512][ T10] ipv6_find_idev+0x102/0x170 [ 4407.797512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4407.797512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4407.797512][ T10] netlink_rcv_skb+0x130/0x360 [ 4407.797512][ T10] netlink_unicast+0x449/0x710 [ 4407.797512][ T10] netlink_sendmsg+0x723/0xbe0 [ 4407.797512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4407.797512][ T10] ___sys_sendmsg+0xee/0x170 [ 4407.797512][ T10] __sys_sendmsg+0xcd/0x170 [ 4407.797512][ T10] do_syscall_64+0xc6/0x1e0 [ 4407.797512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4407.797512][ T10] [ 4407.799234][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4407.799234][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4407.799234][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4407.799234][ T10] ipv6_find_idev+0x102/0x170 [ 4407.799234][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4407.799234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4407.799234][ T10] netlink_rcv_skb+0x130/0x360 [ 4407.799234][ T10] netlink_unicast+0x449/0x710 [ 4407.799234][ T10] netlink_sendmsg+0x723/0xbe0 [ 4407.799234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4407.799234][ T10] ___sys_sendmsg+0xee/0x170 [ 4407.799234][ T10] __sys_sendmsg+0xcd/0x170 [ 4407.799234][ T10] do_syscall_64+0xc6/0x1e0 [ 4407.799234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4407.799234][ T10] [ 4413.641119][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4413.641536][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4413.641536][ T1167] dst_init+0x84/0x4a0 [ 4413.641536][ T1167] dst_alloc+0x97/0x150 [ 4413.641536][ T1167] ip6_dst_alloc+0x23/0x90 [ 4413.641536][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4413.641536][ T1167] ip6_pol_route+0x56f/0x840 [ 4413.641536][ T1167] fib6_rule_lookup+0x334/0x630 [ 4413.641536][ T1167] ip6_route_output_flags+0x259/0x480 [ 4413.641536][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4413.641536][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4413.641536][ T1167] netlink_rcv_skb+0x130/0x360 [ 4413.641536][ T1167] netlink_unicast+0x449/0x710 [ 4413.641536][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4413.641536][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4413.641536][ T1167] ___sys_sendmsg+0xee/0x170 [ 4413.641536][ T1167] __sys_sendmsg+0xcd/0x170 [ 4413.641536][ T1167] do_syscall_64+0xc6/0x1e0 [ 4413.641536][ T1167] [ 4413.643808][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4413.643808][ T1167] netdev_get_by_index+0x5e/0x80 [ 4413.643808][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4413.643808][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4413.643808][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4413.643808][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4413.643808][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4413.643808][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4413.643808][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4413.643808][ T1167] addrconf_dad_begin+0x310/0x670 [ 4413.643808][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4413.643808][ T1167] process_one_work+0x84d/0x18a0 [ 4413.643808][ T1167] worker_thread+0x587/0xd30 [ 4413.643808][ T1167] kthread+0x28a/0x350 [ 4413.643808][ T1167] ret_from_fork+0x31/0x70 [ 4413.643808][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4413.643808][ T1167] [ 4413.645977][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4413.645977][ T1167] netdev_get_by_index+0x5e/0x80 [ 4413.645977][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4413.645977][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4413.645977][ T1167] ip6_route_add+0x1c/0x140 [ 4413.645977][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4413.645977][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4413.645977][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4413.645977][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4413.645977][ T1167] netlink_rcv_skb+0x130/0x360 [ 4413.645977][ T1167] netlink_unicast+0x449/0x710 [ 4413.645977][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4413.645977][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4413.645977][ T1167] ___sys_sendmsg+0xee/0x170 [ 4413.645977][ T1167] __sys_sendmsg+0xcd/0x170 [ 4413.645977][ T1167] do_syscall_64+0xc6/0x1e0 [ 4413.645977][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4413.645977][ T1167] [ 4413.648237][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4413.648237][ T1167] netdev_get_by_index+0x5e/0x80 [ 4413.648237][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4413.648237][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4413.648237][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4413.648237][ T1167] ipv6_add_addr+0x411/0x2000 [ 4413.648237][ T1167] inet6_addr_add+0x30e/0xa40 [ 4413.648237][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4413.648237][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4413.648237][ T1167] netlink_rcv_skb+0x130/0x360 [ 4413.648237][ T1167] netlink_unicast+0x449/0x710 [ 4413.648237][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4413.648237][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4413.648237][ T1167] ___sys_sendmsg+0xee/0x170 [ 4413.648237][ T1167] __sys_sendmsg+0xcd/0x170 [ 4413.648237][ T1167] do_syscall_64+0xc6/0x1e0 [ 4413.648237][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4413.648237][ T1167] [ 4413.650494][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4413.650494][ T1167] netdev_get_by_index+0x5e/0x80 [ 4413.650494][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4413.650494][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4413.650494][ T1167] ip6_route_add+0x1c/0x140 [ 4413.650494][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4413.650494][ T1167] addrconf_add_dev+0xe2/0x170 [ 4413.650494][ T1167] inet6_addr_add+0x12f/0xa40 [ 4413.650494][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4413.650494][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4413.650494][ T1167] netlink_rcv_skb+0x130/0x360 [ 4413.650494][ T1167] netlink_unicast+0x449/0x710 [ 4413.650494][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4413.650494][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4413.650494][ T1167] ___sys_sendmsg+0xee/0x170 [ 4413.650494][ T1167] __sys_sendmsg+0xcd/0x170 [ 4413.650494][ T1167] do_syscall_64+0xc6/0x1e0 [ 4413.650494][ T1167] [ 4413.652717][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4413.652717][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4413.652717][ T1167] ipv6_find_idev+0x102/0x170 [ 4413.652717][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4413.652717][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4413.652717][ T1167] netlink_rcv_skb+0x130/0x360 [ 4413.652717][ T1167] netlink_unicast+0x449/0x710 [ 4413.652717][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4413.652717][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4413.652717][ T1167] ___sys_sendmsg+0xee/0x170 [ 4413.652717][ T1167] __sys_sendmsg+0xcd/0x170 [ 4413.652717][ T1167] do_syscall_64+0xc6/0x1e0 [ 4413.652717][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4413.652717][ T1167] [ 4413.654453][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4413.654453][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4413.654453][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4413.654453][ T1167] ipv6_find_idev+0x102/0x170 [ 4413.654453][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4413.654453][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4413.654453][ T1167] netlink_rcv_skb+0x130/0x360 [ 4413.654453][ T1167] netlink_unicast+0x449/0x710 [ 4413.654453][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4413.654453][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4413.654453][ T1167] ___sys_sendmsg+0xee/0x170 [ 4413.654453][ T1167] __sys_sendmsg+0xcd/0x170 [ 4413.654453][ T1167] do_syscall_64+0xc6/0x1e0 [ 4413.654453][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4413.654453][ T1167] [ 4418.041052][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4418.041427][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4418.041427][ T10] netdev_get_by_index+0x5e/0x80 [ 4418.041427][ T10] fib6_nh_init+0x3d8/0x1580 [ 4418.041427][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4418.041427][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4418.041427][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4418.041427][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4418.041427][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4418.041427][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4418.041427][ T10] addrconf_dad_begin+0x310/0x670 [ 4418.041427][ T10] addrconf_dad_work+0x10b/0xab0 [ 4418.041427][ T10] process_one_work+0x84d/0x18a0 [ 4418.041427][ T10] worker_thread+0x587/0xd30 [ 4418.041427][ T10] kthread+0x28a/0x350 [ 4418.041427][ T10] ret_from_fork+0x31/0x70 [ 4418.041427][ T10] ret_from_fork_asm+0x1a/0x30 [ 4418.041427][ T10] [ 4418.043364][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4418.043364][ T10] netdev_get_by_index+0x5e/0x80 [ 4418.043364][ T10] fib6_nh_init+0x3d8/0x1580 [ 4418.043364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4418.043364][ T10] ip6_route_add+0x1c/0x140 [ 4418.043364][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4418.043364][ T10] inet6_addr_add+0x4f8/0xa40 [ 4418.043364][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4418.043364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4418.043364][ T10] netlink_rcv_skb+0x130/0x360 [ 4418.043364][ T10] netlink_unicast+0x449/0x710 [ 4418.043364][ T10] netlink_sendmsg+0x723/0xbe0 [ 4418.043364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4418.043364][ T10] ___sys_sendmsg+0xee/0x170 [ 4418.043364][ T10] __sys_sendmsg+0xcd/0x170 [ 4418.043364][ T10] do_syscall_64+0xc6/0x1e0 [ 4418.043364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4418.043364][ T10] [ 4418.045375][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4418.045375][ T10] netdev_get_by_index+0x5e/0x80 [ 4418.045375][ T10] fib6_nh_init+0x3d8/0x1580 [ 4418.045375][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4418.045375][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4418.045375][ T10] ipv6_add_addr+0x411/0x2000 [ 4418.045375][ T10] inet6_addr_add+0x30e/0xa40 [ 4418.045375][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4418.045375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4418.045375][ T10] netlink_rcv_skb+0x130/0x360 [ 4418.045375][ T10] netlink_unicast+0x449/0x710 [ 4418.045375][ T10] netlink_sendmsg+0x723/0xbe0 [ 4418.045375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4418.045375][ T10] ___sys_sendmsg+0xee/0x170 [ 4418.045375][ T10] __sys_sendmsg+0xcd/0x170 [ 4418.045375][ T10] do_syscall_64+0xc6/0x1e0 [ 4418.045375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4418.045375][ T10] [ 4418.047383][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4418.047383][ T10] netdev_get_by_index+0x5e/0x80 [ 4418.047383][ T10] fib6_nh_init+0x3d8/0x1580 [ 4418.047383][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4418.047383][ T10] ip6_route_add+0x1c/0x140 [ 4418.047383][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4418.047383][ T10] addrconf_add_dev+0xe2/0x170 [ 4418.047383][ T10] inet6_addr_add+0x12f/0xa40 [ 4418.047383][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4418.047383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4418.047383][ T10] netlink_rcv_skb+0x130/0x360 [ 4418.047383][ T10] netlink_unicast+0x449/0x710 [ 4418.047383][ T10] netlink_sendmsg+0x723/0xbe0 [ 4418.047383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4418.047383][ T10] ___sys_sendmsg+0xee/0x170 [ 4418.047383][ T10] __sys_sendmsg+0xcd/0x170 [ 4418.047383][ T10] do_syscall_64+0xc6/0x1e0 [ 4418.047383][ T10] [ 4418.049356][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4418.049356][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4418.049356][ T10] ipv6_find_idev+0x102/0x170 [ 4418.049356][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4418.049356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4418.049356][ T10] netlink_rcv_skb+0x130/0x360 [ 4418.049356][ T10] netlink_unicast+0x449/0x710 [ 4418.049356][ T10] netlink_sendmsg+0x723/0xbe0 [ 4418.049356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4418.049356][ T10] ___sys_sendmsg+0xee/0x170 [ 4418.049356][ T10] __sys_sendmsg+0xcd/0x170 [ 4418.049356][ T10] do_syscall_64+0xc6/0x1e0 [ 4418.049356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4418.049356][ T10] [ 4418.050891][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4418.050891][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4418.050891][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4418.050891][ T10] ipv6_find_idev+0x102/0x170 [ 4418.050891][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4418.050891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4418.050891][ T10] netlink_rcv_skb+0x130/0x360 [ 4418.050891][ T10] netlink_unicast+0x449/0x710 [ 4418.050891][ T10] netlink_sendmsg+0x723/0xbe0 [ 4418.050891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4418.050891][ T10] ___sys_sendmsg+0xee/0x170 [ 4418.050891][ T10] __sys_sendmsg+0xcd/0x170 [ 4418.050891][ T10] do_syscall_64+0xc6/0x1e0 [ 4418.050891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4418.050891][ T10] [ 4418.052578][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4418.052820][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4418.052820][ T10] netdev_get_by_index+0x5e/0x80 [ 4418.052820][ T10] fib6_nh_init+0x3d8/0x1580 [ 4418.052820][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4418.052820][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4418.052820][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4418.052820][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4418.052820][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4418.052820][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4418.052820][ T10] addrconf_dad_begin+0x310/0x670 [ 4418.052820][ T10] addrconf_dad_work+0x10b/0xab0 [ 4418.052820][ T10] process_one_work+0x84d/0x18a0 [ 4418.052820][ T10] worker_thread+0x587/0xd30 [ 4418.052820][ T10] kthread+0x28a/0x350 [ 4418.052820][ T10] ret_from_fork+0x31/0x70 [ 4418.052820][ T10] ret_from_fork_asm+0x1a/0x30 [ 4418.052820][ T10] [ 4418.054720][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4418.054720][ T10] netdev_get_by_index+0x5e/0x80 [ 4418.054720][ T10] fib6_nh_init+0x3d8/0x1580 [ 4418.054720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4418.054720][ T10] ip6_route_add+0x1c/0x140 [ 4418.054720][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4418.054720][ T10] inet6_addr_add+0x4f8/0xa40 [ 4418.054720][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4418.054720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4418.054720][ T10] netlink_rcv_skb+0x130/0x360 [ 4418.054720][ T10] netlink_unicast+0x449/0x710 [ 4418.054720][ T10] netlink_sendmsg+0x723/0xbe0 [ 4418.054720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4418.054720][ T10] ___sys_sendmsg+0xee/0x170 [ 4418.054720][ T10] __sys_sendmsg+0xcd/0x170 [ 4418.054720][ T10] do_syscall_64+0xc6/0x1e0 [ 4418.054720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4418.054720][ T10] [ 4418.056702][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4418.056702][ T10] netdev_get_by_index+0x5e/0x80 [ 4418.056702][ T10] fib6_nh_init+0x3d8/0x1580 [ 4418.056702][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4418.056702][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4418.056702][ T10] ipv6_add_addr+0x411/0x2000 [ 4418.056702][ T10] inet6_addr_add+0x30e/0xa40 [ 4418.056702][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4418.056702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4418.056702][ T10] netlink_rcv_skb+0x130/0x360 [ 4418.056702][ T10] netlink_unicast+0x449/0x710 [ 4418.056702][ T10] netlink_sendmsg+0x723/0xbe0 [ 4418.056702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4418.056702][ T10] ___sys_sendmsg+0xee/0x170 [ 4418.056702][ T10] __sys_sendmsg+0xcd/0x170 [ 4418.056702][ T10] do_syscall_64+0xc6/0x1e0 [ 4418.056702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4418.056702][ T10] [ 4418.058684][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4418.058684][ T10] netdev_get_by_index+0x5e/0x80 [ 4418.058684][ T10] fib6_nh_init+0x3d8/0x1580 [ 4418.058684][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4418.058684][ T10] ip6_route_add+0x1c/0x140 [ 4418.058684][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4418.058684][ T10] addrconf_add_dev+0xe2/0x170 [ 4418.058684][ T10] inet6_addr_add+0x12f/0xa40 [ 4418.058684][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4418.058684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4418.058684][ T10] netlink_rcv_skb+0x130/0x360 [ 4418.058684][ T10] netlink_unicast+0x449/0x710 [ 4418.058684][ T10] netlink_sendmsg+0x723/0xbe0 [ 4418.058684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4418.058684][ T10] ___sys_sendmsg+0xee/0x170 [ 4418.058684][ T10] __sys_sendmsg+0xcd/0x170 [ 4418.058684][ T10] do_syscall_64+0xc6/0x1e0 [ 4418.058684][ T10] [ 4418.060673][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4418.060673][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4418.060673][ T10] ipv6_find_idev+0x102/0x170 [ 4418.060673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4418.060673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4418.060673][ T10] netlink_rcv_skb+0x130/0x360 [ 4418.060673][ T10] netlink_unicast+0x449/0x710 [ 4418.060673][ T10] netlink_sendmsg+0x723/0xbe0 [ 4418.060673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4418.060673][ T10] ___sys_sendmsg+0xee/0x170 [ 4418.060673][ T10] __sys_sendmsg+0xcd/0x170 [ 4418.060673][ T10] do_syscall_64+0xc6/0x1e0 [ 4418.060673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4418.060673][ T10] [ 4418.062200][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4418.062200][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4418.062200][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4418.062200][ T10] ipv6_find_idev+0x102/0x170 [ 4418.062200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4418.062200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4418.062200][ T10] netlink_rcv_skb+0x130/0x360 [ 4418.062200][ T10] netlink_unicast+0x449/0x710 [ 4418.062200][ T10] netlink_sendmsg+0x723/0xbe0 [ 4418.062200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4418.062200][ T10] ___sys_sendmsg+0xee/0x170 [ 4418.062200][ T10] __sys_sendmsg+0xcd/0x170 [ 4418.062200][ T10] do_syscall_64+0xc6/0x1e0 [ 4418.062200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4418.062200][ T10] [ 4418.063879][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4418.064129][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4418.064129][ T10] netdev_get_by_index+0x5e/0x80 [ 4418.064129][ T10] fib6_nh_init+0x3d8/0x1580 [ 4418.064129][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4418.064129][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4418.064129][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4418.064129][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4418.064129][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4418.064129][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4418.064129][ T10] addrconf_dad_begin+0x310/0x670 [ 4418.064129][ T10] addrconf_dad_work+0x10b/0xab0 [ 4418.064129][ T10] process_one_work+0x84d/0x18a0 [ 4418.064129][ T10] worker_thread+0x587/0xd30 [ 4418.064129][ T10] kthread+0x28a/0x350 [ 4418.064129][ T10] ret_from_fork+0x31/0x70 [ 4418.064129][ T10] ret_from_fork_asm+0x1a/0x30 [ 4418.064129][ T10] [ 4418.066038][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4418.066038][ T10] netdev_get_by_index+0x5e/0x80 [ 4418.066038][ T10] fib6_nh_init+0x3d8/0x1580 [ 4418.066038][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4418.066038][ T10] ip6_route_add+0x1c/0x140 [ 4418.066038][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4418.066038][ T10] inet6_addr_add+0x4f8/0xa40 [ 4418.066038][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4418.066038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4418.066038][ T10] netlink_rcv_skb+0x130/0x360 [ 4418.066038][ T10] netlink_unicast+0x449/0x710 [ 4418.066038][ T10] netlink_sendmsg+0x723/0xbe0 [ 4418.066038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4418.066038][ T10] ___sys_sendmsg+0xee/0x170 [ 4418.066038][ T10] __sys_sendmsg+0xcd/0x170 [ 4418.066038][ T10] do_syscall_64+0xc6/0x1e0 [ 4418.066038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4418.066038][ T10] [ 4418.068176][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4418.068176][ T10] netdev_get_by_index+0x5e/0x80 [ 4418.068176][ T10] fib6_nh_init+0x3d8/0x1580 [ 4418.068176][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4418.068176][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4418.068176][ T10] ipv6_add_addr+0x411/0x2000 [ 4418.068176][ T10] inet6_addr_add+0x30e/0xa40 [ 4418.068176][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4418.068176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4418.068176][ T10] netlink_rcv_skb+0x130/0x360 [ 4418.068176][ T10] netlink_unicast+0x449/0x710 [ 4418.068176][ T10] netlink_sendmsg+0x723/0xbe0 [ 4418.068176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4418.068176][ T10] ___sys_sendmsg+0xee/0x170 [ 4418.068176][ T10] __sys_sendmsg+0xcd/0x170 [ 4418.068176][ T10] do_syscall_64+0xc6/0x1e0 [ 4418.068176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4418.068176][ T10] [ 4418.070323][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4418.070323][ T10] netdev_get_by_index+0x5e/0x80 [ 4418.070323][ T10] fib6_nh_init+0x3d8/0x1580 [ 4418.070323][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4418.070323][ T10] ip6_route_add+0x1c/0x140 [ 4418.070323][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4418.070323][ T10] addrconf_add_dev+0xe2/0x170 [ 4418.070323][ T10] inet6_addr_add+0x12f/0xa40 [ 4418.070323][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4418.070323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4418.070323][ T10] netlink_rcv_skb+0x130/0x360 [ 4418.070323][ T10] netlink_unicast+0x449/0x710 [ 4418.070323][ T10] netlink_sendmsg+0x723/0xbe0 [ 4418.070323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4418.070323][ T10] ___sys_sendmsg+0xee/0x170 [ 4418.070323][ T10] __sys_sendmsg+0xcd/0x170 [ 4418.070323][ T10] do_syscall_64+0xc6/0x1e0 [ 4418.070323][ T10] [ 4418.072415][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4418.072415][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4418.072415][ T10] ipv6_find_idev+0x102/0x170 [ 4418.072415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4418.072415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4418.072415][ T10] netlink_rcv_skb+0x130/0x360 [ 4418.072415][ T10] netlink_unicast+0x449/0x710 [ 4418.072415][ T10] netlink_sendmsg+0x723/0xbe0 [ 4418.072415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4418.072415][ T10] ___sys_sendmsg+0xee/0x170 [ 4418.072415][ T10] __sys_sendmsg+0xcd/0x170 [ 4418.072415][ T10] do_syscall_64+0xc6/0x1e0 [ 4418.072415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4418.072415][ T10] [ 4418.074031][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4418.074031][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4418.074031][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4418.074031][ T10] ipv6_find_idev+0x102/0x170 [ 4418.074031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4418.074031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4418.074031][ T10] netlink_rcv_skb+0x130/0x360 [ 4418.074031][ T10] netlink_unicast+0x449/0x710 [ 4418.074031][ T10] netlink_sendmsg+0x723/0xbe0 [ 4418.074031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4418.074031][ T10] ___sys_sendmsg+0xee/0x170 [ 4418.074031][ T10] __sys_sendmsg+0xcd/0x170 [ 4418.074031][ T10] do_syscall_64+0xc6/0x1e0 [ 4418.074031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4418.074031][ T10] [ 4418.075853][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4418.076521][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4418.076521][ T10] netdev_get_by_index+0x5e/0x80 [ 4418.076521][ T10] fib6_nh_init+0x3d8/0x1580 [ 4418.076521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4418.076521][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4418.076521][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4418.076521][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4418.076521][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4418.076521][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4418.076521][ T10] addrconf_dad_begin+0x310/0x670 [ 4418.076521][ T10] addrconf_dad_work+0x10b/0xab0 [ 4418.076521][ T10] process_one_work+0x84d/0x18a0 [ 4418.076521][ T10] worker_thread+0x587/0xd30 [ 4418.076521][ T10] kthread+0x28a/0x350 [ 4418.076521][ T10] ret_from_fork+0x31/0x70 [ 4418.076521][ T10] ret_from_fork_asm+0x1a/0x30 [ 4418.076521][ T10] [ 4418.078456][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4418.078456][ T10] netdev_get_by_index+0x5e/0x80 [ 4418.078456][ T10] fib6_nh_init+0x3d8/0x1580 [ 4418.078456][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4418.078456][ T10] ip6_route_add+0x1c/0x140 [ 4418.078456][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4418.078456][ T10] inet6_addr_add+0x4f8/0xa40 [ 4418.078456][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4418.078456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4418.078456][ T10] netlink_rcv_skb+0x130/0x360 [ 4418.078456][ T10] netlink_unicast+0x449/0x710 [ 4418.078456][ T10] netlink_sendmsg+0x723/0xbe0 [ 4418.078456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4418.078456][ T10] ___sys_sendmsg+0xee/0x170 [ 4418.078456][ T10] __sys_sendmsg+0xcd/0x170 [ 4418.078456][ T10] do_syscall_64+0xc6/0x1e0 [ 4418.078456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4418.078456][ T10] [ 4418.080553][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4418.080553][ T10] netdev_get_by_index+0x5e/0x80 [ 4418.080553][ T10] fib6_nh_init+0x3d8/0x1580 [ 4418.080553][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4418.080553][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4418.080553][ T10] ipv6_add_addr+0x411/0x2000 [ 4418.080553][ T10] inet6_addr_add+0x30e/0xa40 [ 4418.080553][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4418.080553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4418.080553][ T10] netlink_rcv_skb+0x130/0x360 [ 4418.080553][ T10] netlink_unicast+0x449/0x710 [ 4418.080553][ T10] netlink_sendmsg+0x723/0xbe0 [ 4418.080553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4418.080553][ T10] ___sys_sendmsg+0xee/0x170 [ 4418.080553][ T10] __sys_sendmsg+0xcd/0x170 [ 4418.080553][ T10] do_syscall_64+0xc6/0x1e0 [ 4418.080553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4418.080553][ T10] [ 4418.082702][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4418.082702][ T10] netdev_get_by_index+0x5e/0x80 [ 4418.082702][ T10] fib6_nh_init+0x3d8/0x1580 [ 4418.082702][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4418.082702][ T10] ip6_route_add+0x1c/0x140 [ 4418.082702][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4418.082702][ T10] addrconf_add_dev+0xe2/0x170 [ 4418.082702][ T10] inet6_addr_add+0x12f/0xa40 [ 4418.082702][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4418.082702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4418.082702][ T10] netlink_rcv_skb+0x130/0x360 [ 4418.082702][ T10] netlink_unicast+0x449/0x710 [ 4418.082702][ T10] netlink_sendmsg+0x723/0xbe0 [ 4418.082702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4418.082702][ T10] ___sys_sendmsg+0xee/0x170 [ 4418.082702][ T10] __sys_sendmsg+0xcd/0x170 [ 4418.082702][ T10] do_syscall_64+0xc6/0x1e0 [ 4418.082702][ T10] [ 4418.084785][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4418.084785][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4418.084785][ T10] ipv6_find_idev+0x102/0x170 [ 4418.084785][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4418.084785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4418.084785][ T10] netlink_rcv_skb+0x130/0x360 [ 4418.084785][ T10] netlink_unicast+0x449/0x710 [ 4418.084785][ T10] netlink_sendmsg+0x723/0xbe0 [ 4418.084785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4418.084785][ T10] ___sys_sendmsg+0xee/0x170 [ 4418.084785][ T10] __sys_sendmsg+0xcd/0x170 [ 4418.084785][ T10] do_syscall_64+0xc6/0x1e0 [ 4418.084785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4418.084785][ T10] [ 4418.086391][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4418.086391][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4418.086391][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4418.086391][ T10] ipv6_find_idev+0x102/0x170 [ 4418.086391][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4418.086391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4418.086391][ T10] netlink_rcv_skb+0x130/0x360 [ 4418.086391][ T10] netlink_unicast+0x449/0x710 [ 4418.086391][ T10] netlink_sendmsg+0x723/0xbe0 [ 4418.086391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4418.086391][ T10] ___sys_sendmsg+0xee/0x170 [ 4418.086391][ T10] __sys_sendmsg+0xcd/0x170 [ 4418.086391][ T10] do_syscall_64+0xc6/0x1e0 [ 4418.086391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4418.086391][ T10] [ 4423.905107][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4423.905555][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4423.905555][ T1167] dst_init+0x84/0x4a0 [ 4423.905555][ T1167] dst_alloc+0x97/0x150 [ 4423.905555][ T1167] ip6_dst_alloc+0x23/0x90 [ 4423.905555][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4423.905555][ T1167] ip6_pol_route+0x56f/0x840 [ 4423.905555][ T1167] fib6_rule_lookup+0x334/0x630 [ 4423.905555][ T1167] ip6_route_output_flags+0x259/0x480 [ 4423.905555][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4423.905555][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4423.905555][ T1167] netlink_rcv_skb+0x130/0x360 [ 4423.905555][ T1167] netlink_unicast+0x449/0x710 [ 4423.905555][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4423.905555][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4423.905555][ T1167] ___sys_sendmsg+0xee/0x170 [ 4423.905555][ T1167] __sys_sendmsg+0xcd/0x170 [ 4423.905555][ T1167] do_syscall_64+0xc6/0x1e0 [ 4423.905555][ T1167] [ 4423.907768][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4423.907768][ T1167] netdev_get_by_index+0x5e/0x80 [ 4423.907768][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4423.907768][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4423.907768][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4423.907768][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4423.907768][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4423.907768][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4423.907768][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4423.907768][ T1167] addrconf_dad_begin+0x310/0x670 [ 4423.907768][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4423.907768][ T1167] process_one_work+0x84d/0x18a0 [ 4423.907768][ T1167] worker_thread+0x587/0xd30 [ 4423.907768][ T1167] kthread+0x28a/0x350 [ 4423.907768][ T1167] ret_from_fork+0x31/0x70 [ 4423.907768][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4423.907768][ T1167] [ 4423.909929][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4423.909929][ T1167] netdev_get_by_index+0x5e/0x80 [ 4423.909929][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4423.909929][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4423.909929][ T1167] ip6_route_add+0x1c/0x140 [ 4423.909929][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4423.909929][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4423.909929][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4423.909929][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4423.909929][ T1167] netlink_rcv_skb+0x130/0x360 [ 4423.909929][ T1167] netlink_unicast+0x449/0x710 [ 4423.909929][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4423.909929][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4423.909929][ T1167] ___sys_sendmsg+0xee/0x170 [ 4423.909929][ T1167] __sys_sendmsg+0xcd/0x170 [ 4423.909929][ T1167] do_syscall_64+0xc6/0x1e0 [ 4423.909929][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4423.909929][ T1167] [ 4423.912170][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4423.912170][ T1167] netdev_get_by_index+0x5e/0x80 [ 4423.912170][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4423.912170][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4423.912170][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4423.912170][ T1167] ipv6_add_addr+0x411/0x2000 [ 4423.912170][ T1167] inet6_addr_add+0x30e/0xa40 [ 4423.912170][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4423.912170][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4423.912170][ T1167] netlink_rcv_skb+0x130/0x360 [ 4423.912170][ T1167] netlink_unicast+0x449/0x710 [ 4423.912170][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4423.912170][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4423.912170][ T1167] ___sys_sendmsg+0xee/0x170 [ 4423.912170][ T1167] __sys_sendmsg+0xcd/0x170 [ 4423.912170][ T1167] do_syscall_64+0xc6/0x1e0 [ 4423.912170][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4423.912170][ T1167] [ 4423.914425][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4423.914425][ T1167] netdev_get_by_index+0x5e/0x80 [ 4423.914425][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4423.914425][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4423.914425][ T1167] ip6_route_add+0x1c/0x140 [ 4423.914425][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4423.914425][ T1167] addrconf_add_dev+0xe2/0x170 [ 4423.914425][ T1167] inet6_addr_add+0x12f/0xa40 [ 4423.914425][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4423.914425][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4423.914425][ T1167] netlink_rcv_skb+0x130/0x360 [ 4423.914425][ T1167] netlink_unicast+0x449/0x710 [ 4423.914425][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4423.914425][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4423.914425][ T1167] ___sys_sendmsg+0xee/0x170 [ 4423.914425][ T1167] __sys_sendmsg+0xcd/0x170 [ 4423.914425][ T1167] do_syscall_64+0xc6/0x1e0 [ 4423.914425][ T1167] [ 4423.916642][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4423.916642][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4423.916642][ T1167] ipv6_find_idev+0x102/0x170 [ 4423.916642][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4423.916642][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4423.916642][ T1167] netlink_rcv_skb+0x130/0x360 [ 4423.916642][ T1167] netlink_unicast+0x449/0x710 [ 4423.916642][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4423.916642][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4423.916642][ T1167] ___sys_sendmsg+0xee/0x170 [ 4423.916642][ T1167] __sys_sendmsg+0xcd/0x170 [ 4423.916642][ T1167] do_syscall_64+0xc6/0x1e0 [ 4423.916642][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4423.916642][ T1167] [ 4423.918410][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4423.918410][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4423.918410][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4423.918410][ T1167] ipv6_find_idev+0x102/0x170 [ 4423.918410][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4423.918410][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4423.918410][ T1167] netlink_rcv_skb+0x130/0x360 [ 4423.918410][ T1167] netlink_unicast+0x449/0x710 [ 4423.918410][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4423.918410][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4423.918410][ T1167] ___sys_sendmsg+0xee/0x170 [ 4423.918410][ T1167] __sys_sendmsg+0xcd/0x170 [ 4423.918410][ T1167] do_syscall_64+0xc6/0x1e0 [ 4423.918410][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4423.918410][ T1167] [ 4428.329048][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4428.329508][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4428.329508][ T10] netdev_get_by_index+0x5e/0x80 [ 4428.329508][ T10] fib6_nh_init+0x3d8/0x1580 [ 4428.329508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4428.329508][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4428.329508][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4428.329508][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4428.329508][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4428.329508][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4428.329508][ T10] addrconf_dad_begin+0x310/0x670 [ 4428.329508][ T10] addrconf_dad_work+0x10b/0xab0 [ 4428.329508][ T10] process_one_work+0x84d/0x18a0 [ 4428.329508][ T10] worker_thread+0x587/0xd30 [ 4428.329508][ T10] kthread+0x28a/0x350 [ 4428.329508][ T10] ret_from_fork+0x31/0x70 [ 4428.329508][ T10] ret_from_fork_asm+0x1a/0x30 [ 4428.329508][ T10] [ 4428.331449][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4428.331449][ T10] netdev_get_by_index+0x5e/0x80 [ 4428.331449][ T10] fib6_nh_init+0x3d8/0x1580 [ 4428.331449][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4428.331449][ T10] ip6_route_add+0x1c/0x140 [ 4428.331449][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4428.331449][ T10] inet6_addr_add+0x4f8/0xa40 [ 4428.331449][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4428.331449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4428.331449][ T10] netlink_rcv_skb+0x130/0x360 [ 4428.331449][ T10] netlink_unicast+0x449/0x710 [ 4428.331449][ T10] netlink_sendmsg+0x723/0xbe0 [ 4428.331449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4428.331449][ T10] ___sys_sendmsg+0xee/0x170 [ 4428.331449][ T10] __sys_sendmsg+0xcd/0x170 [ 4428.331449][ T10] do_syscall_64+0xc6/0x1e0 [ 4428.331449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4428.331449][ T10] [ 4428.333466][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4428.333466][ T10] netdev_get_by_index+0x5e/0x80 [ 4428.333466][ T10] fib6_nh_init+0x3d8/0x1580 [ 4428.333466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4428.333466][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4428.333466][ T10] ipv6_add_addr+0x411/0x2000 [ 4428.333466][ T10] inet6_addr_add+0x30e/0xa40 [ 4428.333466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4428.333466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4428.333466][ T10] netlink_rcv_skb+0x130/0x360 [ 4428.333466][ T10] netlink_unicast+0x449/0x710 [ 4428.333466][ T10] netlink_sendmsg+0x723/0xbe0 [ 4428.333466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4428.333466][ T10] ___sys_sendmsg+0xee/0x170 [ 4428.333466][ T10] __sys_sendmsg+0xcd/0x170 [ 4428.333466][ T10] do_syscall_64+0xc6/0x1e0 [ 4428.333466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4428.333466][ T10] [ 4428.335466][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4428.335466][ T10] netdev_get_by_index+0x5e/0x80 [ 4428.335466][ T10] fib6_nh_init+0x3d8/0x1580 [ 4428.335466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4428.335466][ T10] ip6_route_add+0x1c/0x140 [ 4428.335466][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4428.335466][ T10] addrconf_add_dev+0xe2/0x170 [ 4428.335466][ T10] inet6_addr_add+0x12f/0xa40 [ 4428.335466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4428.335466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4428.335466][ T10] netlink_rcv_skb+0x130/0x360 [ 4428.335466][ T10] netlink_unicast+0x449/0x710 [ 4428.335466][ T10] netlink_sendmsg+0x723/0xbe0 [ 4428.335466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4428.335466][ T10] ___sys_sendmsg+0xee/0x170 [ 4428.335466][ T10] __sys_sendmsg+0xcd/0x170 [ 4428.335466][ T10] do_syscall_64+0xc6/0x1e0 [ 4428.335466][ T10] [ 4428.337437][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4428.337437][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4428.337437][ T10] ipv6_find_idev+0x102/0x170 [ 4428.337437][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4428.337437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4428.337437][ T10] netlink_rcv_skb+0x130/0x360 [ 4428.337437][ T10] netlink_unicast+0x449/0x710 [ 4428.337437][ T10] netlink_sendmsg+0x723/0xbe0 [ 4428.337437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4428.337437][ T10] ___sys_sendmsg+0xee/0x170 [ 4428.337437][ T10] __sys_sendmsg+0xcd/0x170 [ 4428.337437][ T10] do_syscall_64+0xc6/0x1e0 [ 4428.337437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4428.337437][ T10] [ 4428.339067][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4428.339067][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4428.339067][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4428.339067][ T10] ipv6_find_idev+0x102/0x170 [ 4428.339067][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4428.339067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4428.339067][ T10] netlink_rcv_skb+0x130/0x360 [ 4428.339067][ T10] netlink_unicast+0x449/0x710 [ 4428.339067][ T10] netlink_sendmsg+0x723/0xbe0 [ 4428.339067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4428.339067][ T10] ___sys_sendmsg+0xee/0x170 [ 4428.339067][ T10] __sys_sendmsg+0xcd/0x170 [ 4428.339067][ T10] do_syscall_64+0xc6/0x1e0 [ 4428.339067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4428.339067][ T10] [ 4428.340788][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4428.341072][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4428.341072][ T10] netdev_get_by_index+0x5e/0x80 [ 4428.341072][ T10] fib6_nh_init+0x3d8/0x1580 [ 4428.341072][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4428.341072][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4428.341072][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4428.341072][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4428.341072][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4428.341072][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4428.341072][ T10] addrconf_dad_begin+0x310/0x670 [ 4428.341072][ T10] addrconf_dad_work+0x10b/0xab0 [ 4428.341072][ T10] process_one_work+0x84d/0x18a0 [ 4428.341072][ T10] worker_thread+0x587/0xd30 [ 4428.341072][ T10] kthread+0x28a/0x350 [ 4428.341072][ T10] ret_from_fork+0x31/0x70 [ 4428.341072][ T10] ret_from_fork_asm+0x1a/0x30 [ 4428.341072][ T10] [ 4428.342999][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4428.342999][ T10] netdev_get_by_index+0x5e/0x80 [ 4428.342999][ T10] fib6_nh_init+0x3d8/0x1580 [ 4428.342999][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4428.342999][ T10] ip6_route_add+0x1c/0x140 [ 4428.342999][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4428.342999][ T10] inet6_addr_add+0x4f8/0xa40 [ 4428.342999][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4428.342999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4428.342999][ T10] netlink_rcv_skb+0x130/0x360 [ 4428.342999][ T10] netlink_unicast+0x449/0x710 [ 4428.342999][ T10] netlink_sendmsg+0x723/0xbe0 [ 4428.342999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4428.342999][ T10] ___sys_sendmsg+0xee/0x170 [ 4428.342999][ T10] __sys_sendmsg+0xcd/0x170 [ 4428.342999][ T10] do_syscall_64+0xc6/0x1e0 [ 4428.342999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4428.342999][ T10] [ 4428.345013][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4428.345013][ T10] netdev_get_by_index+0x5e/0x80 [ 4428.345013][ T10] fib6_nh_init+0x3d8/0x1580 [ 4428.345013][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4428.345013][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4428.345013][ T10] ipv6_add_addr+0x411/0x2000 [ 4428.345013][ T10] inet6_addr_add+0x30e/0xa40 [ 4428.345013][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4428.345013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4428.345013][ T10] netlink_rcv_skb+0x130/0x360 [ 4428.345013][ T10] netlink_unicast+0x449/0x710 [ 4428.345013][ T10] netlink_sendmsg+0x723/0xbe0 [ 4428.345013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4428.345013][ T10] ___sys_sendmsg+0xee/0x170 [ 4428.345013][ T10] __sys_sendmsg+0xcd/0x170 [ 4428.345013][ T10] do_syscall_64+0xc6/0x1e0 [ 4428.345013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4428.345013][ T10] [ 4428.347012][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4428.347012][ T10] netdev_get_by_index+0x5e/0x80 [ 4428.347012][ T10] fib6_nh_init+0x3d8/0x1580 [ 4428.347012][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4428.347012][ T10] ip6_route_add+0x1c/0x140 [ 4428.347012][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4428.347012][ T10] addrconf_add_dev+0xe2/0x170 [ 4428.347012][ T10] inet6_addr_add+0x12f/0xa40 [ 4428.347012][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4428.347012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4428.347012][ T10] netlink_rcv_skb+0x130/0x360 [ 4428.347012][ T10] netlink_unicast+0x449/0x710 [ 4428.347012][ T10] netlink_sendmsg+0x723/0xbe0 [ 4428.347012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4428.347012][ T10] ___sys_sendmsg+0xee/0x170 [ 4428.347012][ T10] __sys_sendmsg+0xcd/0x170 [ 4428.347012][ T10] do_syscall_64+0xc6/0x1e0 [ 4428.347012][ T10] [ 4428.349002][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4428.349002][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4428.349002][ T10] ipv6_find_idev+0x102/0x170 [ 4428.349002][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4428.349002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4428.349002][ T10] netlink_rcv_skb+0x130/0x360 [ 4428.349002][ T10] netlink_unicast+0x449/0x710 [ 4428.349002][ T10] netlink_sendmsg+0x723/0xbe0 [ 4428.349002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4428.349002][ T10] ___sys_sendmsg+0xee/0x170 [ 4428.349002][ T10] __sys_sendmsg+0xcd/0x170 [ 4428.349002][ T10] do_syscall_64+0xc6/0x1e0 [ 4428.349002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4428.349002][ T10] [ 4428.350556][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4428.350556][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4428.350556][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4428.350556][ T10] ipv6_find_idev+0x102/0x170 [ 4428.350556][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4428.350556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4428.350556][ T10] netlink_rcv_skb+0x130/0x360 [ 4428.350556][ T10] netlink_unicast+0x449/0x710 [ 4428.350556][ T10] netlink_sendmsg+0x723/0xbe0 [ 4428.350556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4428.350556][ T10] ___sys_sendmsg+0xee/0x170 [ 4428.350556][ T10] __sys_sendmsg+0xcd/0x170 [ 4428.350556][ T10] do_syscall_64+0xc6/0x1e0 [ 4428.350556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4428.350556][ T10] [ 4428.352776][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4428.353017][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4428.353017][ T10] netdev_get_by_index+0x5e/0x80 [ 4428.353017][ T10] fib6_nh_init+0x3d8/0x1580 [ 4428.353017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4428.353017][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4428.353017][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4428.353017][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4428.353017][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4428.353017][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4428.353017][ T10] addrconf_dad_begin+0x310/0x670 [ 4428.353017][ T10] addrconf_dad_work+0x10b/0xab0 [ 4428.353017][ T10] process_one_work+0x84d/0x18a0 [ 4428.353017][ T10] worker_thread+0x587/0xd30 [ 4428.353017][ T10] kthread+0x28a/0x350 [ 4428.353017][ T10] ret_from_fork+0x31/0x70 [ 4428.353017][ T10] ret_from_fork_asm+0x1a/0x30 [ 4428.353017][ T10] [ 4428.354935][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4428.354935][ T10] netdev_get_by_index+0x5e/0x80 [ 4428.354935][ T10] fib6_nh_init+0x3d8/0x1580 [ 4428.354935][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4428.354935][ T10] ip6_route_add+0x1c/0x140 [ 4428.354935][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4428.354935][ T10] inet6_addr_add+0x4f8/0xa40 [ 4428.354935][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4428.354935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4428.354935][ T10] netlink_rcv_skb+0x130/0x360 [ 4428.354935][ T10] netlink_unicast+0x449/0x710 [ 4428.354935][ T10] netlink_sendmsg+0x723/0xbe0 [ 4428.354935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4428.354935][ T10] ___sys_sendmsg+0xee/0x170 [ 4428.354935][ T10] __sys_sendmsg+0xcd/0x170 [ 4428.354935][ T10] do_syscall_64+0xc6/0x1e0 [ 4428.354935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4428.354935][ T10] [ 4428.357085][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4428.357085][ T10] netdev_get_by_index+0x5e/0x80 [ 4428.357085][ T10] fib6_nh_init+0x3d8/0x1580 [ 4428.357085][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4428.357085][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4428.357085][ T10] ipv6_add_addr+0x411/0x2000 [ 4428.357085][ T10] inet6_addr_add+0x30e/0xa40 [ 4428.357085][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4428.357085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4428.357085][ T10] netlink_rcv_skb+0x130/0x360 [ 4428.357085][ T10] netlink_unicast+0x449/0x710 [ 4428.357085][ T10] netlink_sendmsg+0x723/0xbe0 [ 4428.357085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4428.357085][ T10] ___sys_sendmsg+0xee/0x170 [ 4428.357085][ T10] __sys_sendmsg+0xcd/0x170 [ 4428.357085][ T10] do_syscall_64+0xc6/0x1e0 [ 4428.357085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4428.357085][ T10] [ 4428.359215][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4428.359215][ T10] netdev_get_by_index+0x5e/0x80 [ 4428.359215][ T10] fib6_nh_init+0x3d8/0x1580 [ 4428.359215][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4428.359215][ T10] ip6_route_add+0x1c/0x140 [ 4428.359215][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4428.359215][ T10] addrconf_add_dev+0xe2/0x170 [ 4428.359215][ T10] inet6_addr_add+0x12f/0xa40 [ 4428.359215][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4428.359215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4428.359215][ T10] netlink_rcv_skb+0x130/0x360 [ 4428.359215][ T10] netlink_unicast+0x449/0x710 [ 4428.359215][ T10] netlink_sendmsg+0x723/0xbe0 [ 4428.359215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4428.359215][ T10] ___sys_sendmsg+0xee/0x170 [ 4428.359215][ T10] __sys_sendmsg+0xcd/0x170 [ 4428.359215][ T10] do_syscall_64+0xc6/0x1e0 [ 4428.359215][ T10] [ 4428.361310][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4428.361310][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4428.361310][ T10] ipv6_find_idev+0x102/0x170 [ 4428.361310][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4428.361310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4428.361310][ T10] netlink_rcv_skb+0x130/0x360 [ 4428.361310][ T10] netlink_unicast+0x449/0x710 [ 4428.361310][ T10] netlink_sendmsg+0x723/0xbe0 [ 4428.361310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4428.361310][ T10] ___sys_sendmsg+0xee/0x170 [ 4428.361310][ T10] __sys_sendmsg+0xcd/0x170 [ 4428.361310][ T10] do_syscall_64+0xc6/0x1e0 [ 4428.361310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4428.361310][ T10] [ 4428.362913][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4428.362913][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4428.362913][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4428.362913][ T10] ipv6_find_idev+0x102/0x170 [ 4428.362913][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4428.362913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4428.362913][ T10] netlink_rcv_skb+0x130/0x360 [ 4428.362913][ T10] netlink_unicast+0x449/0x710 [ 4428.362913][ T10] netlink_sendmsg+0x723/0xbe0 [ 4428.362913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4428.362913][ T10] ___sys_sendmsg+0xee/0x170 [ 4428.362913][ T10] __sys_sendmsg+0xcd/0x170 [ 4428.362913][ T10] do_syscall_64+0xc6/0x1e0 [ 4428.362913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4428.362913][ T10] [ 4428.364791][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4428.365034][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4428.365034][ T10] netdev_get_by_index+0x5e/0x80 [ 4428.365034][ T10] fib6_nh_init+0x3d8/0x1580 [ 4428.365034][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4428.365034][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4428.365034][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4428.365034][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4428.365034][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4428.365034][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4428.365034][ T10] addrconf_dad_begin+0x310/0x670 [ 4428.365034][ T10] addrconf_dad_work+0x10b/0xab0 [ 4428.365034][ T10] process_one_work+0x84d/0x18a0 [ 4428.365034][ T10] worker_thread+0x587/0xd30 [ 4428.365034][ T10] kthread+0x28a/0x350 [ 4428.365034][ T10] ret_from_fork+0x31/0x70 [ 4428.365034][ T10] ret_from_fork_asm+0x1a/0x30 [ 4428.365034][ T10] [ 4428.367082][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4428.367082][ T10] netdev_get_by_index+0x5e/0x80 [ 4428.367082][ T10] fib6_nh_init+0x3d8/0x1580 [ 4428.367082][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4428.367082][ T10] ip6_route_add+0x1c/0x140 [ 4428.367082][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4428.367082][ T10] inet6_addr_add+0x4f8/0xa40 [ 4428.367082][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4428.367082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4428.367082][ T10] netlink_rcv_skb+0x130/0x360 [ 4428.367082][ T10] netlink_unicast+0x449/0x710 [ 4428.367082][ T10] netlink_sendmsg+0x723/0xbe0 [ 4428.367082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4428.367082][ T10] ___sys_sendmsg+0xee/0x170 [ 4428.367082][ T10] __sys_sendmsg+0xcd/0x170 [ 4428.367082][ T10] do_syscall_64+0xc6/0x1e0 [ 4428.367082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4428.367082][ T10] [ 4428.369223][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4428.369223][ T10] netdev_get_by_index+0x5e/0x80 [ 4428.369223][ T10] fib6_nh_init+0x3d8/0x1580 [ 4428.369223][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4428.369223][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4428.369223][ T10] ipv6_add_addr+0x411/0x2000 [ 4428.369223][ T10] inet6_addr_add+0x30e/0xa40 [ 4428.369223][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4428.369223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4428.369223][ T10] netlink_rcv_skb+0x130/0x360 [ 4428.369223][ T10] netlink_unicast+0x449/0x710 [ 4428.369223][ T10] netlink_sendmsg+0x723/0xbe0 [ 4428.369223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4428.369223][ T10] ___sys_sendmsg+0xee/0x170 [ 4428.369223][ T10] __sys_sendmsg+0xcd/0x170 [ 4428.369223][ T10] do_syscall_64+0xc6/0x1e0 [ 4428.369223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4428.369223][ T10] [ 4428.371372][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4428.371372][ T10] netdev_get_by_index+0x5e/0x80 [ 4428.371372][ T10] fib6_nh_init+0x3d8/0x1580 [ 4428.371372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4428.371372][ T10] ip6_route_add+0x1c/0x140 [ 4428.371372][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4428.371372][ T10] addrconf_add_dev+0xe2/0x170 [ 4428.371372][ T10] inet6_addr_add+0x12f/0xa40 [ 4428.371372][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4428.371372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4428.371372][ T10] netlink_rcv_skb+0x130/0x360 [ 4428.371372][ T10] netlink_unicast+0x449/0x710 [ 4428.371372][ T10] netlink_sendmsg+0x723/0xbe0 [ 4428.371372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4428.371372][ T10] ___sys_sendmsg+0xee/0x170 [ 4428.371372][ T10] __sys_sendmsg+0xcd/0x170 [ 4428.371372][ T10] do_syscall_64+0xc6/0x1e0 [ 4428.371372][ T10] [ 4428.373460][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4428.373460][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4428.373460][ T10] ipv6_find_idev+0x102/0x170 [ 4428.373460][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4428.373460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4428.373460][ T10] netlink_rcv_skb+0x130/0x360 [ 4428.373460][ T10] netlink_unicast+0x449/0x710 [ 4428.373460][ T10] netlink_sendmsg+0x723/0xbe0 [ 4428.373460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4428.373460][ T10] ___sys_sendmsg+0xee/0x170 [ 4428.373460][ T10] __sys_sendmsg+0xcd/0x170 [ 4428.373460][ T10] do_syscall_64+0xc6/0x1e0 [ 4428.373460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4428.373460][ T10] [ 4428.375069][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4428.375069][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4428.375069][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4428.375069][ T10] ipv6_find_idev+0x102/0x170 [ 4428.375069][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4428.375069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4428.375069][ T10] netlink_rcv_skb+0x130/0x360 [ 4428.375069][ T10] netlink_unicast+0x449/0x710 [ 4428.375069][ T10] netlink_sendmsg+0x723/0xbe0 [ 4428.375069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4428.375069][ T10] ___sys_sendmsg+0xee/0x170 [ 4428.375069][ T10] __sys_sendmsg+0xcd/0x170 [ 4428.375069][ T10] do_syscall_64+0xc6/0x1e0 [ 4428.375069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4428.375069][ T10] [ 4434.169061][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4434.169532][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4434.169532][ T1167] dst_init+0x84/0x4a0 [ 4434.169532][ T1167] dst_alloc+0x97/0x150 [ 4434.169532][ T1167] ip6_dst_alloc+0x23/0x90 [ 4434.169532][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4434.169532][ T1167] ip6_pol_route+0x56f/0x840 [ 4434.169532][ T1167] fib6_rule_lookup+0x334/0x630 [ 4434.169532][ T1167] ip6_route_output_flags+0x259/0x480 [ 4434.169532][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4434.169532][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4434.169532][ T1167] netlink_rcv_skb+0x130/0x360 [ 4434.169532][ T1167] netlink_unicast+0x449/0x710 [ 4434.169532][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4434.169532][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4434.169532][ T1167] ___sys_sendmsg+0xee/0x170 [ 4434.169532][ T1167] __sys_sendmsg+0xcd/0x170 [ 4434.169532][ T1167] do_syscall_64+0xc6/0x1e0 [ 4434.169532][ T1167] [ 4434.171748][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4434.171748][ T1167] netdev_get_by_index+0x5e/0x80 [ 4434.171748][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4434.171748][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4434.171748][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4434.171748][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4434.171748][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4434.171748][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4434.171748][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4434.171748][ T1167] addrconf_dad_begin+0x310/0x670 [ 4434.171748][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4434.171748][ T1167] process_one_work+0x84d/0x18a0 [ 4434.171748][ T1167] worker_thread+0x587/0xd30 [ 4434.171748][ T1167] kthread+0x28a/0x350 [ 4434.171748][ T1167] ret_from_fork+0x31/0x70 [ 4434.171748][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4434.171748][ T1167] [ 4434.173910][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4434.173910][ T1167] netdev_get_by_index+0x5e/0x80 [ 4434.173910][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4434.173910][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4434.173910][ T1167] ip6_route_add+0x1c/0x140 [ 4434.173910][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4434.173910][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4434.173910][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4434.173910][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4434.173910][ T1167] netlink_rcv_skb+0x130/0x360 [ 4434.173910][ T1167] netlink_unicast+0x449/0x710 [ 4434.173910][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4434.173910][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4434.173910][ T1167] ___sys_sendmsg+0xee/0x170 [ 4434.173910][ T1167] __sys_sendmsg+0xcd/0x170 [ 4434.173910][ T1167] do_syscall_64+0xc6/0x1e0 [ 4434.173910][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4434.173910][ T1167] [ 4434.176169][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4434.176169][ T1167] netdev_get_by_index+0x5e/0x80 [ 4434.176169][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4434.176169][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4434.176169][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4434.176169][ T1167] ipv6_add_addr+0x411/0x2000 [ 4434.176169][ T1167] inet6_addr_add+0x30e/0xa40 [ 4434.176169][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4434.176169][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4434.176169][ T1167] netlink_rcv_skb+0x130/0x360 [ 4434.176169][ T1167] netlink_unicast+0x449/0x710 [ 4434.176169][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4434.176169][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4434.176169][ T1167] ___sys_sendmsg+0xee/0x170 [ 4434.176169][ T1167] __sys_sendmsg+0xcd/0x170 [ 4434.176169][ T1167] do_syscall_64+0xc6/0x1e0 [ 4434.176169][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4434.176169][ T1167] [ 4434.178419][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4434.178419][ T1167] netdev_get_by_index+0x5e/0x80 [ 4434.178419][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4434.178419][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4434.178419][ T1167] ip6_route_add+0x1c/0x140 [ 4434.178419][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4434.178419][ T1167] addrconf_add_dev+0xe2/0x170 [ 4434.178419][ T1167] inet6_addr_add+0x12f/0xa40 [ 4434.178419][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4434.178419][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4434.178419][ T1167] netlink_rcv_skb+0x130/0x360 [ 4434.178419][ T1167] netlink_unicast+0x449/0x710 [ 4434.178419][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4434.178419][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4434.178419][ T1167] ___sys_sendmsg+0xee/0x170 [ 4434.178419][ T1167] __sys_sendmsg+0xcd/0x170 [ 4434.178419][ T1167] do_syscall_64+0xc6/0x1e0 [ 4434.178419][ T1167] [ 4434.180734][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4434.180734][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4434.180734][ T1167] ipv6_find_idev+0x102/0x170 [ 4434.180734][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4434.180734][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4434.180734][ T1167] netlink_rcv_skb+0x130/0x360 [ 4434.180734][ T1167] netlink_unicast+0x449/0x710 [ 4434.180734][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4434.180734][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4434.180734][ T1167] ___sys_sendmsg+0xee/0x170 [ 4434.180734][ T1167] __sys_sendmsg+0xcd/0x170 [ 4434.180734][ T1167] do_syscall_64+0xc6/0x1e0 [ 4434.180734][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4434.180734][ T1167] [ 4434.182461][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4434.182461][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4434.182461][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4434.182461][ T1167] ipv6_find_idev+0x102/0x170 [ 4434.182461][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4434.182461][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4434.182461][ T1167] netlink_rcv_skb+0x130/0x360 [ 4434.182461][ T1167] netlink_unicast+0x449/0x710 [ 4434.182461][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4434.182461][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4434.182461][ T1167] ___sys_sendmsg+0xee/0x170 [ 4434.182461][ T1167] __sys_sendmsg+0xcd/0x170 [ 4434.182461][ T1167] do_syscall_64+0xc6/0x1e0 [ 4434.182461][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4434.182461][ T1167] [ 4438.617065][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4438.617482][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4438.617482][ T10] netdev_get_by_index+0x5e/0x80 [ 4438.617482][ T10] fib6_nh_init+0x3d8/0x1580 [ 4438.617482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4438.617482][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4438.617482][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4438.617482][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4438.617482][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4438.617482][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4438.617482][ T10] addrconf_dad_begin+0x310/0x670 [ 4438.617482][ T10] addrconf_dad_work+0x10b/0xab0 [ 4438.617482][ T10] process_one_work+0x84d/0x18a0 [ 4438.617482][ T10] worker_thread+0x587/0xd30 [ 4438.617482][ T10] kthread+0x28a/0x350 [ 4438.617482][ T10] ret_from_fork+0x31/0x70 [ 4438.617482][ T10] ret_from_fork_asm+0x1a/0x30 [ 4438.617482][ T10] [ 4438.619454][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4438.619454][ T10] netdev_get_by_index+0x5e/0x80 [ 4438.619454][ T10] fib6_nh_init+0x3d8/0x1580 [ 4438.619454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4438.619454][ T10] ip6_route_add+0x1c/0x140 [ 4438.619454][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4438.619454][ T10] inet6_addr_add+0x4f8/0xa40 [ 4438.619454][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4438.619454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4438.619454][ T10] netlink_rcv_skb+0x130/0x360 [ 4438.619454][ T10] netlink_unicast+0x449/0x710 [ 4438.619454][ T10] netlink_sendmsg+0x723/0xbe0 [ 4438.619454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4438.619454][ T10] ___sys_sendmsg+0xee/0x170 [ 4438.619454][ T10] __sys_sendmsg+0xcd/0x170 [ 4438.619454][ T10] do_syscall_64+0xc6/0x1e0 [ 4438.619454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4438.619454][ T10] [ 4438.621476][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4438.621476][ T10] netdev_get_by_index+0x5e/0x80 [ 4438.621476][ T10] fib6_nh_init+0x3d8/0x1580 [ 4438.621476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4438.621476][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4438.621476][ T10] ipv6_add_addr+0x411/0x2000 [ 4438.621476][ T10] inet6_addr_add+0x30e/0xa40 [ 4438.621476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4438.621476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4438.621476][ T10] netlink_rcv_skb+0x130/0x360 [ 4438.621476][ T10] netlink_unicast+0x449/0x710 [ 4438.621476][ T10] netlink_sendmsg+0x723/0xbe0 [ 4438.621476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4438.621476][ T10] ___sys_sendmsg+0xee/0x170 [ 4438.621476][ T10] __sys_sendmsg+0xcd/0x170 [ 4438.621476][ T10] do_syscall_64+0xc6/0x1e0 [ 4438.621476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4438.621476][ T10] [ 4438.623479][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4438.623479][ T10] netdev_get_by_index+0x5e/0x80 [ 4438.623479][ T10] fib6_nh_init+0x3d8/0x1580 [ 4438.623479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4438.623479][ T10] ip6_route_add+0x1c/0x140 [ 4438.623479][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4438.623479][ T10] addrconf_add_dev+0xe2/0x170 [ 4438.623479][ T10] inet6_addr_add+0x12f/0xa40 [ 4438.623479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4438.623479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4438.623479][ T10] netlink_rcv_skb+0x130/0x360 [ 4438.623479][ T10] netlink_unicast+0x449/0x710 [ 4438.623479][ T10] netlink_sendmsg+0x723/0xbe0 [ 4438.623479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4438.623479][ T10] ___sys_sendmsg+0xee/0x170 [ 4438.623479][ T10] __sys_sendmsg+0xcd/0x170 [ 4438.623479][ T10] do_syscall_64+0xc6/0x1e0 [ 4438.623479][ T10] [ 4438.625448][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4438.625448][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4438.625448][ T10] ipv6_find_idev+0x102/0x170 [ 4438.625448][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4438.625448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4438.625448][ T10] netlink_rcv_skb+0x130/0x360 [ 4438.625448][ T10] netlink_unicast+0x449/0x710 [ 4438.625448][ T10] netlink_sendmsg+0x723/0xbe0 [ 4438.625448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4438.625448][ T10] ___sys_sendmsg+0xee/0x170 [ 4438.625448][ T10] __sys_sendmsg+0xcd/0x170 [ 4438.625448][ T10] do_syscall_64+0xc6/0x1e0 [ 4438.625448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4438.625448][ T10] [ 4438.626993][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4438.626993][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4438.626993][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4438.626993][ T10] ipv6_find_idev+0x102/0x170 [ 4438.626993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4438.626993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4438.626993][ T10] netlink_rcv_skb+0x130/0x360 [ 4438.626993][ T10] netlink_unicast+0x449/0x710 [ 4438.626993][ T10] netlink_sendmsg+0x723/0xbe0 [ 4438.626993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4438.626993][ T10] ___sys_sendmsg+0xee/0x170 [ 4438.626993][ T10] __sys_sendmsg+0xcd/0x170 [ 4438.626993][ T10] do_syscall_64+0xc6/0x1e0 [ 4438.626993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4438.626993][ T10] [ 4438.628707][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4438.628955][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4438.628955][ T10] netdev_get_by_index+0x5e/0x80 [ 4438.628955][ T10] fib6_nh_init+0x3d8/0x1580 [ 4438.628955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4438.628955][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4438.628955][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4438.628955][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4438.628955][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4438.628955][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4438.628955][ T10] addrconf_dad_begin+0x310/0x670 [ 4438.628955][ T10] addrconf_dad_work+0x10b/0xab0 [ 4438.628955][ T10] process_one_work+0x84d/0x18a0 [ 4438.628955][ T10] worker_thread+0x587/0xd30 [ 4438.628955][ T10] kthread+0x28a/0x350 [ 4438.628955][ T10] ret_from_fork+0x31/0x70 [ 4438.628955][ T10] ret_from_fork_asm+0x1a/0x30 [ 4438.628955][ T10] [ 4438.630863][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4438.630863][ T10] netdev_get_by_index+0x5e/0x80 [ 4438.630863][ T10] fib6_nh_init+0x3d8/0x1580 [ 4438.630863][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4438.630863][ T10] ip6_route_add+0x1c/0x140 [ 4438.630863][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4438.630863][ T10] inet6_addr_add+0x4f8/0xa40 [ 4438.630863][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4438.630863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4438.630863][ T10] netlink_rcv_skb+0x130/0x360 [ 4438.630863][ T10] netlink_unicast+0x449/0x710 [ 4438.630863][ T10] netlink_sendmsg+0x723/0xbe0 [ 4438.630863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4438.630863][ T10] ___sys_sendmsg+0xee/0x170 [ 4438.630863][ T10] __sys_sendmsg+0xcd/0x170 [ 4438.630863][ T10] do_syscall_64+0xc6/0x1e0 [ 4438.630863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4438.630863][ T10] [ 4438.632872][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4438.632872][ T10] netdev_get_by_index+0x5e/0x80 [ 4438.632872][ T10] fib6_nh_init+0x3d8/0x1580 [ 4438.632872][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4438.632872][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4438.632872][ T10] ipv6_add_addr+0x411/0x2000 [ 4438.632872][ T10] inet6_addr_add+0x30e/0xa40 [ 4438.632872][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4438.632872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4438.632872][ T10] netlink_rcv_skb+0x130/0x360 [ 4438.632872][ T10] netlink_unicast+0x449/0x710 [ 4438.632872][ T10] netlink_sendmsg+0x723/0xbe0 [ 4438.632872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4438.632872][ T10] ___sys_sendmsg+0xee/0x170 [ 4438.632872][ T10] __sys_sendmsg+0xcd/0x170 [ 4438.632872][ T10] do_syscall_64+0xc6/0x1e0 [ 4438.632872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4438.632872][ T10] [ 4438.634879][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4438.634879][ T10] netdev_get_by_index+0x5e/0x80 [ 4438.634879][ T10] fib6_nh_init+0x3d8/0x1580 [ 4438.634879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4438.634879][ T10] ip6_route_add+0x1c/0x140 [ 4438.634879][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4438.634879][ T10] addrconf_add_dev+0xe2/0x170 [ 4438.634879][ T10] inet6_addr_add+0x12f/0xa40 [ 4438.634879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4438.634879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4438.634879][ T10] netlink_rcv_skb+0x130/0x360 [ 4438.634879][ T10] netlink_unicast+0x449/0x710 [ 4438.634879][ T10] netlink_sendmsg+0x723/0xbe0 [ 4438.634879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4438.634879][ T10] ___sys_sendmsg+0xee/0x170 [ 4438.634879][ T10] __sys_sendmsg+0xcd/0x170 [ 4438.634879][ T10] do_syscall_64+0xc6/0x1e0 [ 4438.634879][ T10] [ 4438.636842][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4438.636842][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4438.636842][ T10] ipv6_find_idev+0x102/0x170 [ 4438.636842][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4438.636842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4438.636842][ T10] netlink_rcv_skb+0x130/0x360 [ 4438.636842][ T10] netlink_unicast+0x449/0x710 [ 4438.636842][ T10] netlink_sendmsg+0x723/0xbe0 [ 4438.636842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4438.636842][ T10] ___sys_sendmsg+0xee/0x170 [ 4438.636842][ T10] __sys_sendmsg+0xcd/0x170 [ 4438.636842][ T10] do_syscall_64+0xc6/0x1e0 [ 4438.636842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4438.636842][ T10] [ 4438.638395][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4438.638395][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4438.638395][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4438.638395][ T10] ipv6_find_idev+0x102/0x170 [ 4438.638395][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4438.638395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4438.638395][ T10] netlink_rcv_skb+0x130/0x360 [ 4438.638395][ T10] netlink_unicast+0x449/0x710 [ 4438.638395][ T10] netlink_sendmsg+0x723/0xbe0 [ 4438.638395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4438.638395][ T10] ___sys_sendmsg+0xee/0x170 [ 4438.638395][ T10] __sys_sendmsg+0xcd/0x170 [ 4438.638395][ T10] do_syscall_64+0xc6/0x1e0 [ 4438.638395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4438.638395][ T10] [ 4438.640083][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4438.640337][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4438.640337][ T10] netdev_get_by_index+0x5e/0x80 [ 4438.640337][ T10] fib6_nh_init+0x3d8/0x1580 [ 4438.640337][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4438.640337][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4438.640337][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4438.640337][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4438.640337][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4438.640337][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4438.640337][ T10] addrconf_dad_begin+0x310/0x670 [ 4438.640337][ T10] addrconf_dad_work+0x10b/0xab0 [ 4438.640337][ T10] process_one_work+0x84d/0x18a0 [ 4438.640337][ T10] worker_thread+0x587/0xd30 [ 4438.640337][ T10] kthread+0x28a/0x350 [ 4438.640337][ T10] ret_from_fork+0x31/0x70 [ 4438.640337][ T10] ret_from_fork_asm+0x1a/0x30 [ 4438.640337][ T10] [ 4438.642245][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4438.642245][ T10] netdev_get_by_index+0x5e/0x80 [ 4438.642245][ T10] fib6_nh_init+0x3d8/0x1580 [ 4438.642245][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4438.642245][ T10] ip6_route_add+0x1c/0x140 [ 4438.642245][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4438.642245][ T10] inet6_addr_add+0x4f8/0xa40 [ 4438.642245][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4438.642245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4438.642245][ T10] netlink_rcv_skb+0x130/0x360 [ 4438.642245][ T10] netlink_unicast+0x449/0x710 [ 4438.642245][ T10] netlink_sendmsg+0x723/0xbe0 [ 4438.642245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4438.642245][ T10] ___sys_sendmsg+0xee/0x170 [ 4438.642245][ T10] __sys_sendmsg+0xcd/0x170 [ 4438.642245][ T10] do_syscall_64+0xc6/0x1e0 [ 4438.642245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4438.642245][ T10] [ 4438.644377][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4438.644377][ T10] netdev_get_by_index+0x5e/0x80 [ 4438.644377][ T10] fib6_nh_init+0x3d8/0x1580 [ 4438.644377][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4438.644377][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4438.644377][ T10] ipv6_add_addr+0x411/0x2000 [ 4438.644377][ T10] inet6_addr_add+0x30e/0xa40 [ 4438.644377][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4438.644377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4438.644377][ T10] netlink_rcv_skb+0x130/0x360 [ 4438.644377][ T10] netlink_unicast+0x449/0x710 [ 4438.644377][ T10] netlink_sendmsg+0x723/0xbe0 [ 4438.644377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4438.644377][ T10] ___sys_sendmsg+0xee/0x170 [ 4438.644377][ T10] __sys_sendmsg+0xcd/0x170 [ 4438.644377][ T10] do_syscall_64+0xc6/0x1e0 [ 4438.644377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4438.644377][ T10] [ 4438.646504][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4438.646504][ T10] netdev_get_by_index+0x5e/0x80 [ 4438.646504][ T10] fib6_nh_init+0x3d8/0x1580 [ 4438.646504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4438.646504][ T10] ip6_route_add+0x1c/0x140 [ 4438.646504][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4438.646504][ T10] addrconf_add_dev+0xe2/0x170 [ 4438.646504][ T10] inet6_addr_add+0x12f/0xa40 [ 4438.646504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4438.646504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4438.646504][ T10] netlink_rcv_skb+0x130/0x360 [ 4438.646504][ T10] netlink_unicast+0x449/0x710 [ 4438.646504][ T10] netlink_sendmsg+0x723/0xbe0 [ 4438.646504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4438.646504][ T10] ___sys_sendmsg+0xee/0x170 [ 4438.646504][ T10] __sys_sendmsg+0xcd/0x170 [ 4438.646504][ T10] do_syscall_64+0xc6/0x1e0 [ 4438.646504][ T10] [ 4438.648533][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4438.648533][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4438.648533][ T10] ipv6_find_idev+0x102/0x170 [ 4438.648533][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4438.648533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4438.648533][ T10] netlink_rcv_skb+0x130/0x360 [ 4438.648533][ T10] netlink_unicast+0x449/0x710 [ 4438.648533][ T10] netlink_sendmsg+0x723/0xbe0 [ 4438.648533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4438.648533][ T10] ___sys_sendmsg+0xee/0x170 [ 4438.648533][ T10] __sys_sendmsg+0xcd/0x170 [ 4438.648533][ T10] do_syscall_64+0xc6/0x1e0 [ 4438.648533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4438.648533][ T10] [ 4438.650201][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4438.650201][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4438.650201][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4438.650201][ T10] ipv6_find_idev+0x102/0x170 [ 4438.650201][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4438.650201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4438.650201][ T10] netlink_rcv_skb+0x130/0x360 [ 4438.650201][ T10] netlink_unicast+0x449/0x710 [ 4438.650201][ T10] netlink_sendmsg+0x723/0xbe0 [ 4438.650201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4438.650201][ T10] ___sys_sendmsg+0xee/0x170 [ 4438.650201][ T10] __sys_sendmsg+0xcd/0x170 [ 4438.650201][ T10] do_syscall_64+0xc6/0x1e0 [ 4438.650201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4438.650201][ T10] [ 4438.652004][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4438.652240][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4438.652240][ T10] netdev_get_by_index+0x5e/0x80 [ 4438.652240][ T10] fib6_nh_init+0x3d8/0x1580 [ 4438.652240][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4438.652240][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4438.652240][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4438.652240][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4438.652240][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4438.652240][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4438.652240][ T10] addrconf_dad_begin+0x310/0x670 [ 4438.652240][ T10] addrconf_dad_work+0x10b/0xab0 [ 4438.652240][ T10] process_one_work+0x84d/0x18a0 [ 4438.652240][ T10] worker_thread+0x587/0xd30 [ 4438.652240][ T10] kthread+0x28a/0x350 [ 4438.652240][ T10] ret_from_fork+0x31/0x70 [ 4438.652240][ T10] ret_from_fork_asm+0x1a/0x30 [ 4438.652240][ T10] [ 4438.654269][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4438.654269][ T10] netdev_get_by_index+0x5e/0x80 [ 4438.654269][ T10] fib6_nh_init+0x3d8/0x1580 [ 4438.654269][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4438.654269][ T10] ip6_route_add+0x1c/0x140 [ 4438.654269][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4438.654269][ T10] inet6_addr_add+0x4f8/0xa40 [ 4438.654269][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4438.654269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4438.654269][ T10] netlink_rcv_skb+0x130/0x360 [ 4438.654269][ T10] netlink_unicast+0x449/0x710 [ 4438.654269][ T10] netlink_sendmsg+0x723/0xbe0 [ 4438.654269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4438.654269][ T10] ___sys_sendmsg+0xee/0x170 [ 4438.654269][ T10] __sys_sendmsg+0xcd/0x170 [ 4438.654269][ T10] do_syscall_64+0xc6/0x1e0 [ 4438.654269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4438.654269][ T10] [ 4438.656384][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4438.656384][ T10] netdev_get_by_index+0x5e/0x80 [ 4438.656384][ T10] fib6_nh_init+0x3d8/0x1580 [ 4438.656384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4438.656384][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4438.656384][ T10] ipv6_add_addr+0x411/0x2000 [ 4438.656384][ T10] inet6_addr_add+0x30e/0xa40 [ 4438.656384][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4438.656384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4438.656384][ T10] netlink_rcv_skb+0x130/0x360 [ 4438.656384][ T10] netlink_unicast+0x449/0x710 [ 4438.656384][ T10] netlink_sendmsg+0x723/0xbe0 [ 4438.656384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4438.656384][ T10] ___sys_sendmsg+0xee/0x170 [ 4438.656384][ T10] __sys_sendmsg+0xcd/0x170 [ 4438.656384][ T10] do_syscall_64+0xc6/0x1e0 [ 4438.656384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4438.656384][ T10] [ 4438.658508][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4438.658508][ T10] netdev_get_by_index+0x5e/0x80 [ 4438.658508][ T10] fib6_nh_init+0x3d8/0x1580 [ 4438.658508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4438.658508][ T10] ip6_route_add+0x1c/0x140 [ 4438.658508][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4438.658508][ T10] addrconf_add_dev+0xe2/0x170 [ 4438.658508][ T10] inet6_addr_add+0x12f/0xa40 [ 4438.658508][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4438.658508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4438.658508][ T10] netlink_rcv_skb+0x130/0x360 [ 4438.658508][ T10] netlink_unicast+0x449/0x710 [ 4438.658508][ T10] netlink_sendmsg+0x723/0xbe0 [ 4438.658508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4438.658508][ T10] ___sys_sendmsg+0xee/0x170 [ 4438.658508][ T10] __sys_sendmsg+0xcd/0x170 [ 4438.658508][ T10] do_syscall_64+0xc6/0x1e0 [ 4438.658508][ T10] [ 4438.660606][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4438.660606][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4438.660606][ T10] ipv6_find_idev+0x102/0x170 [ 4438.660606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4438.660606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4438.660606][ T10] netlink_rcv_skb+0x130/0x360 [ 4438.660606][ T10] netlink_unicast+0x449/0x710 [ 4438.660606][ T10] netlink_sendmsg+0x723/0xbe0 [ 4438.660606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4438.660606][ T10] ___sys_sendmsg+0xee/0x170 [ 4438.660606][ T10] __sys_sendmsg+0xcd/0x170 [ 4438.660606][ T10] do_syscall_64+0xc6/0x1e0 [ 4438.660606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4438.660606][ T10] [ 4438.662213][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4438.662213][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4438.662213][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4438.662213][ T10] ipv6_find_idev+0x102/0x170 [ 4438.662213][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4438.662213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4438.662213][ T10] netlink_rcv_skb+0x130/0x360 [ 4438.662213][ T10] netlink_unicast+0x449/0x710 [ 4438.662213][ T10] netlink_sendmsg+0x723/0xbe0 [ 4438.662213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4438.662213][ T10] ___sys_sendmsg+0xee/0x170 [ 4438.662213][ T10] __sys_sendmsg+0xcd/0x170 [ 4438.662213][ T10] do_syscall_64+0xc6/0x1e0 [ 4438.662213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4438.662213][ T10] [ 4444.433151][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4444.433621][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4444.433621][ T1167] dst_init+0x84/0x4a0 [ 4444.433621][ T1167] dst_alloc+0x97/0x150 [ 4444.433621][ T1167] ip6_dst_alloc+0x23/0x90 [ 4444.433621][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4444.433621][ T1167] ip6_pol_route+0x56f/0x840 [ 4444.433621][ T1167] fib6_rule_lookup+0x334/0x630 [ 4444.433621][ T1167] ip6_route_output_flags+0x259/0x480 [ 4444.433621][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4444.433621][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4444.433621][ T1167] netlink_rcv_skb+0x130/0x360 [ 4444.433621][ T1167] netlink_unicast+0x449/0x710 [ 4444.433621][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4444.433621][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4444.433621][ T1167] ___sys_sendmsg+0xee/0x170 [ 4444.433621][ T1167] __sys_sendmsg+0xcd/0x170 [ 4444.433621][ T1167] do_syscall_64+0xc6/0x1e0 [ 4444.433621][ T1167] [ 4444.435846][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4444.435846][ T1167] netdev_get_by_index+0x5e/0x80 [ 4444.435846][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4444.435846][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4444.435846][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4444.435846][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4444.435846][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4444.435846][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4444.435846][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4444.435846][ T1167] addrconf_dad_begin+0x310/0x670 [ 4444.435846][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4444.435846][ T1167] process_one_work+0x84d/0x18a0 [ 4444.435846][ T1167] worker_thread+0x587/0xd30 [ 4444.435846][ T1167] kthread+0x28a/0x350 [ 4444.435846][ T1167] ret_from_fork+0x31/0x70 [ 4444.435846][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4444.435846][ T1167] [ 4444.438004][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4444.438004][ T1167] netdev_get_by_index+0x5e/0x80 [ 4444.438004][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4444.438004][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4444.438004][ T1167] ip6_route_add+0x1c/0x140 [ 4444.438004][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4444.438004][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4444.438004][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4444.438004][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4444.438004][ T1167] netlink_rcv_skb+0x130/0x360 [ 4444.438004][ T1167] netlink_unicast+0x449/0x710 [ 4444.438004][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4444.438004][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4444.438004][ T1167] ___sys_sendmsg+0xee/0x170 [ 4444.438004][ T1167] __sys_sendmsg+0xcd/0x170 [ 4444.438004][ T1167] do_syscall_64+0xc6/0x1e0 [ 4444.438004][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4444.438004][ T1167] [ 4444.440245][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4444.440245][ T1167] netdev_get_by_index+0x5e/0x80 [ 4444.440245][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4444.440245][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4444.440245][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4444.440245][ T1167] ipv6_add_addr+0x411/0x2000 [ 4444.440245][ T1167] inet6_addr_add+0x30e/0xa40 [ 4444.440245][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4444.440245][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4444.440245][ T1167] netlink_rcv_skb+0x130/0x360 [ 4444.440245][ T1167] netlink_unicast+0x449/0x710 [ 4444.440245][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4444.440245][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4444.440245][ T1167] ___sys_sendmsg+0xee/0x170 [ 4444.440245][ T1167] __sys_sendmsg+0xcd/0x170 [ 4444.440245][ T1167] do_syscall_64+0xc6/0x1e0 [ 4444.440245][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4444.440245][ T1167] [ 4444.442502][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4444.442502][ T1167] netdev_get_by_index+0x5e/0x80 [ 4444.442502][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4444.442502][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4444.442502][ T1167] ip6_route_add+0x1c/0x140 [ 4444.442502][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4444.442502][ T1167] addrconf_add_dev+0xe2/0x170 [ 4444.442502][ T1167] inet6_addr_add+0x12f/0xa40 [ 4444.442502][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4444.442502][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4444.442502][ T1167] netlink_rcv_skb+0x130/0x360 [ 4444.442502][ T1167] netlink_unicast+0x449/0x710 [ 4444.442502][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4444.442502][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4444.442502][ T1167] ___sys_sendmsg+0xee/0x170 [ 4444.442502][ T1167] __sys_sendmsg+0xcd/0x170 [ 4444.442502][ T1167] do_syscall_64+0xc6/0x1e0 [ 4444.442502][ T1167] [ 4444.444742][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4444.444742][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4444.444742][ T1167] ipv6_find_idev+0x102/0x170 [ 4444.444742][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4444.444742][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4444.444742][ T1167] netlink_rcv_skb+0x130/0x360 [ 4444.444742][ T1167] netlink_unicast+0x449/0x710 [ 4444.444742][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4444.444742][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4444.444742][ T1167] ___sys_sendmsg+0xee/0x170 [ 4444.444742][ T1167] __sys_sendmsg+0xcd/0x170 [ 4444.444742][ T1167] do_syscall_64+0xc6/0x1e0 [ 4444.444742][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4444.444742][ T1167] [ 4444.446614][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4444.446614][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4444.446614][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4444.446614][ T1167] ipv6_find_idev+0x102/0x170 [ 4444.446614][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4444.446614][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4444.446614][ T1167] netlink_rcv_skb+0x130/0x360 [ 4444.446614][ T1167] netlink_unicast+0x449/0x710 [ 4444.446614][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4444.446614][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4444.446614][ T1167] ___sys_sendmsg+0xee/0x170 [ 4444.446614][ T1167] __sys_sendmsg+0xcd/0x170 [ 4444.446614][ T1167] do_syscall_64+0xc6/0x1e0 [ 4444.446614][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4444.446614][ T1167] [ 4448.905064][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4448.905523][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4448.905523][ T10] netdev_get_by_index+0x5e/0x80 [ 4448.905523][ T10] fib6_nh_init+0x3d8/0x1580 [ 4448.905523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4448.905523][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4448.905523][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4448.905523][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4448.905523][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4448.905523][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4448.905523][ T10] addrconf_dad_begin+0x310/0x670 [ 4448.905523][ T10] addrconf_dad_work+0x10b/0xab0 [ 4448.905523][ T10] process_one_work+0x84d/0x18a0 [ 4448.905523][ T10] worker_thread+0x587/0xd30 [ 4448.905523][ T10] kthread+0x28a/0x350 [ 4448.905523][ T10] ret_from_fork+0x31/0x70 [ 4448.905523][ T10] ret_from_fork_asm+0x1a/0x30 [ 4448.905523][ T10] [ 4448.907538][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4448.907538][ T10] netdev_get_by_index+0x5e/0x80 [ 4448.907538][ T10] fib6_nh_init+0x3d8/0x1580 [ 4448.907538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4448.907538][ T10] ip6_route_add+0x1c/0x140 [ 4448.907538][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4448.907538][ T10] inet6_addr_add+0x4f8/0xa40 [ 4448.907538][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4448.907538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4448.907538][ T10] netlink_rcv_skb+0x130/0x360 [ 4448.907538][ T10] netlink_unicast+0x449/0x710 [ 4448.907538][ T10] netlink_sendmsg+0x723/0xbe0 [ 4448.907538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4448.907538][ T10] ___sys_sendmsg+0xee/0x170 [ 4448.907538][ T10] __sys_sendmsg+0xcd/0x170 [ 4448.907538][ T10] do_syscall_64+0xc6/0x1e0 [ 4448.907538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4448.907538][ T10] [ 4448.909593][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4448.909593][ T10] netdev_get_by_index+0x5e/0x80 [ 4448.909593][ T10] fib6_nh_init+0x3d8/0x1580 [ 4448.909593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4448.909593][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4448.909593][ T10] ipv6_add_addr+0x411/0x2000 [ 4448.909593][ T10] inet6_addr_add+0x30e/0xa40 [ 4448.909593][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4448.909593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4448.909593][ T10] netlink_rcv_skb+0x130/0x360 [ 4448.909593][ T10] netlink_unicast+0x449/0x710 [ 4448.909593][ T10] netlink_sendmsg+0x723/0xbe0 [ 4448.909593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4448.909593][ T10] ___sys_sendmsg+0xee/0x170 [ 4448.909593][ T10] __sys_sendmsg+0xcd/0x170 [ 4448.909593][ T10] do_syscall_64+0xc6/0x1e0 [ 4448.909593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4448.909593][ T10] [ 4448.911632][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4448.911632][ T10] netdev_get_by_index+0x5e/0x80 [ 4448.911632][ T10] fib6_nh_init+0x3d8/0x1580 [ 4448.911632][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4448.911632][ T10] ip6_route_add+0x1c/0x140 [ 4448.911632][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4448.911632][ T10] addrconf_add_dev+0xe2/0x170 [ 4448.911632][ T10] inet6_addr_add+0x12f/0xa40 [ 4448.911632][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4448.911632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4448.911632][ T10] netlink_rcv_skb+0x130/0x360 [ 4448.911632][ T10] netlink_unicast+0x449/0x710 [ 4448.911632][ T10] netlink_sendmsg+0x723/0xbe0 [ 4448.911632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4448.911632][ T10] ___sys_sendmsg+0xee/0x170 [ 4448.911632][ T10] __sys_sendmsg+0xcd/0x170 [ 4448.911632][ T10] do_syscall_64+0xc6/0x1e0 [ 4448.911632][ T10] [ 4448.913636][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4448.913636][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4448.913636][ T10] ipv6_find_idev+0x102/0x170 [ 4448.913636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4448.913636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4448.913636][ T10] netlink_rcv_skb+0x130/0x360 [ 4448.913636][ T10] netlink_unicast+0x449/0x710 [ 4448.913636][ T10] netlink_sendmsg+0x723/0xbe0 [ 4448.913636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4448.913636][ T10] ___sys_sendmsg+0xee/0x170 [ 4448.913636][ T10] __sys_sendmsg+0xcd/0x170 [ 4448.913636][ T10] do_syscall_64+0xc6/0x1e0 [ 4448.913636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4448.913636][ T10] [ 4448.915203][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4448.915203][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4448.915203][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4448.915203][ T10] ipv6_find_idev+0x102/0x170 [ 4448.915203][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4448.915203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4448.915203][ T10] netlink_rcv_skb+0x130/0x360 [ 4448.915203][ T10] netlink_unicast+0x449/0x710 [ 4448.915203][ T10] netlink_sendmsg+0x723/0xbe0 [ 4448.915203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4448.915203][ T10] ___sys_sendmsg+0xee/0x170 [ 4448.915203][ T10] __sys_sendmsg+0xcd/0x170 [ 4448.915203][ T10] do_syscall_64+0xc6/0x1e0 [ 4448.915203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4448.915203][ T10] [ 4448.916952][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4448.917261][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4448.917261][ T10] netdev_get_by_index+0x5e/0x80 [ 4448.917261][ T10] fib6_nh_init+0x3d8/0x1580 [ 4448.917261][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4448.917261][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4448.917261][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4448.917261][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4448.917261][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4448.917261][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4448.917261][ T10] addrconf_dad_begin+0x310/0x670 [ 4448.917261][ T10] addrconf_dad_work+0x10b/0xab0 [ 4448.917261][ T10] process_one_work+0x84d/0x18a0 [ 4448.917261][ T10] worker_thread+0x587/0xd30 [ 4448.917261][ T10] kthread+0x28a/0x350 [ 4448.917261][ T10] ret_from_fork+0x31/0x70 [ 4448.917261][ T10] ret_from_fork_asm+0x1a/0x30 [ 4448.917261][ T10] [ 4448.919200][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4448.919200][ T10] netdev_get_by_index+0x5e/0x80 [ 4448.919200][ T10] fib6_nh_init+0x3d8/0x1580 [ 4448.919200][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4448.919200][ T10] ip6_route_add+0x1c/0x140 [ 4448.919200][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4448.919200][ T10] inet6_addr_add+0x4f8/0xa40 [ 4448.919200][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4448.919200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4448.919200][ T10] netlink_rcv_skb+0x130/0x360 [ 4448.919200][ T10] netlink_unicast+0x449/0x710 [ 4448.919200][ T10] netlink_sendmsg+0x723/0xbe0 [ 4448.919200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4448.919200][ T10] ___sys_sendmsg+0xee/0x170 [ 4448.919200][ T10] __sys_sendmsg+0xcd/0x170 [ 4448.919200][ T10] do_syscall_64+0xc6/0x1e0 [ 4448.919200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4448.919200][ T10] [ 4448.921217][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4448.921217][ T10] netdev_get_by_index+0x5e/0x80 [ 4448.921217][ T10] fib6_nh_init+0x3d8/0x1580 [ 4448.921217][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4448.921217][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4448.921217][ T10] ipv6_add_addr+0x411/0x2000 [ 4448.921217][ T10] inet6_addr_add+0x30e/0xa40 [ 4448.921217][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4448.921217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4448.921217][ T10] netlink_rcv_skb+0x130/0x360 [ 4448.921217][ T10] netlink_unicast+0x449/0x710 [ 4448.921217][ T10] netlink_sendmsg+0x723/0xbe0 [ 4448.921217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4448.921217][ T10] ___sys_sendmsg+0xee/0x170 [ 4448.921217][ T10] __sys_sendmsg+0xcd/0x170 [ 4448.921217][ T10] do_syscall_64+0xc6/0x1e0 [ 4448.921217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4448.921217][ T10] [ 4448.923258][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4448.923258][ T10] netdev_get_by_index+0x5e/0x80 [ 4448.923258][ T10] fib6_nh_init+0x3d8/0x1580 [ 4448.923258][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4448.923258][ T10] ip6_route_add+0x1c/0x140 [ 4448.923258][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4448.923258][ T10] addrconf_add_dev+0xe2/0x170 [ 4448.923258][ T10] inet6_addr_add+0x12f/0xa40 [ 4448.923258][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4448.923258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4448.923258][ T10] netlink_rcv_skb+0x130/0x360 [ 4448.923258][ T10] netlink_unicast+0x449/0x710 [ 4448.923258][ T10] netlink_sendmsg+0x723/0xbe0 [ 4448.923258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4448.923258][ T10] ___sys_sendmsg+0xee/0x170 [ 4448.923258][ T10] __sys_sendmsg+0xcd/0x170 [ 4448.923258][ T10] do_syscall_64+0xc6/0x1e0 [ 4448.923258][ T10] [ 4448.949631][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4448.949631][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4448.949631][ T10] ipv6_find_idev+0x102/0x170 [ 4448.949631][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4448.949631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4448.949631][ T10] netlink_rcv_skb+0x130/0x360 [ 4448.949631][ T10] netlink_unicast+0x449/0x710 [ 4448.949631][ T10] netlink_sendmsg+0x723/0xbe0 [ 4448.949631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4448.949631][ T10] ___sys_sendmsg+0xee/0x170 [ 4448.949631][ T10] __sys_sendmsg+0xcd/0x170 [ 4448.949631][ T10] do_syscall_64+0xc6/0x1e0 [ 4448.949631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4448.949631][ T10] [ 4448.951198][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4448.951198][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4448.951198][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4448.951198][ T10] ipv6_find_idev+0x102/0x170 [ 4448.951198][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4448.951198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4448.951198][ T10] netlink_rcv_skb+0x130/0x360 [ 4448.951198][ T10] netlink_unicast+0x449/0x710 [ 4448.951198][ T10] netlink_sendmsg+0x723/0xbe0 [ 4448.951198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4448.951198][ T10] ___sys_sendmsg+0xee/0x170 [ 4448.951198][ T10] __sys_sendmsg+0xcd/0x170 [ 4448.951198][ T10] do_syscall_64+0xc6/0x1e0 [ 4448.951198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4448.951198][ T10] [ 4448.952927][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4448.953203][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4448.953203][ T10] netdev_get_by_index+0x5e/0x80 [ 4448.953203][ T10] fib6_nh_init+0x3d8/0x1580 [ 4448.953203][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4448.953203][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4448.953203][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4448.953203][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4448.953203][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4448.953203][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4448.953203][ T10] addrconf_dad_begin+0x310/0x670 [ 4448.953203][ T10] addrconf_dad_work+0x10b/0xab0 [ 4448.953203][ T10] process_one_work+0x84d/0x18a0 [ 4448.953203][ T10] worker_thread+0x587/0xd30 [ 4448.953203][ T10] kthread+0x28a/0x350 [ 4448.953203][ T10] ret_from_fork+0x31/0x70 [ 4448.953203][ T10] ret_from_fork_asm+0x1a/0x30 [ 4448.953203][ T10] [ 4448.955148][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4448.955148][ T10] netdev_get_by_index+0x5e/0x80 [ 4448.955148][ T10] fib6_nh_init+0x3d8/0x1580 [ 4448.955148][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4448.955148][ T10] ip6_route_add+0x1c/0x140 [ 4448.955148][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4448.955148][ T10] inet6_addr_add+0x4f8/0xa40 [ 4448.955148][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4448.955148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4448.955148][ T10] netlink_rcv_skb+0x130/0x360 [ 4448.955148][ T10] netlink_unicast+0x449/0x710 [ 4448.955148][ T10] netlink_sendmsg+0x723/0xbe0 [ 4448.955148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4448.955148][ T10] ___sys_sendmsg+0xee/0x170 [ 4448.955148][ T10] __sys_sendmsg+0xcd/0x170 [ 4448.955148][ T10] do_syscall_64+0xc6/0x1e0 [ 4448.955148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4448.955148][ T10] [ 4448.957333][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4448.957333][ T10] netdev_get_by_index+0x5e/0x80 [ 4448.957333][ T10] fib6_nh_init+0x3d8/0x1580 [ 4448.957333][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4448.957333][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4448.957333][ T10] ipv6_add_addr+0x411/0x2000 [ 4448.957333][ T10] inet6_addr_add+0x30e/0xa40 [ 4448.957333][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4448.957333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4448.957333][ T10] netlink_rcv_skb+0x130/0x360 [ 4448.957333][ T10] netlink_unicast+0x449/0x710 [ 4448.957333][ T10] netlink_sendmsg+0x723/0xbe0 [ 4448.957333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4448.957333][ T10] ___sys_sendmsg+0xee/0x170 [ 4448.957333][ T10] __sys_sendmsg+0xcd/0x170 [ 4448.957333][ T10] do_syscall_64+0xc6/0x1e0 [ 4448.957333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4448.957333][ T10] [ 4448.959458][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4448.959458][ T10] netdev_get_by_index+0x5e/0x80 [ 4448.959458][ T10] fib6_nh_init+0x3d8/0x1580 [ 4448.959458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4448.959458][ T10] ip6_route_add+0x1c/0x140 [ 4448.959458][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4448.959458][ T10] addrconf_add_dev+0xe2/0x170 [ 4448.959458][ T10] inet6_addr_add+0x12f/0xa40 [ 4448.959458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4448.959458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4448.959458][ T10] netlink_rcv_skb+0x130/0x360 [ 4448.959458][ T10] netlink_unicast+0x449/0x710 [ 4448.959458][ T10] netlink_sendmsg+0x723/0xbe0 [ 4448.959458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4448.959458][ T10] ___sys_sendmsg+0xee/0x170 [ 4448.959458][ T10] __sys_sendmsg+0xcd/0x170 [ 4448.959458][ T10] do_syscall_64+0xc6/0x1e0 [ 4448.959458][ T10] [ 4448.961567][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4448.961567][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4448.961567][ T10] ipv6_find_idev+0x102/0x170 [ 4448.961567][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4448.961567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4448.961567][ T10] netlink_rcv_skb+0x130/0x360 [ 4448.961567][ T10] netlink_unicast+0x449/0x710 [ 4448.961567][ T10] netlink_sendmsg+0x723/0xbe0 [ 4448.961567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4448.961567][ T10] ___sys_sendmsg+0xee/0x170 [ 4448.961567][ T10] __sys_sendmsg+0xcd/0x170 [ 4448.961567][ T10] do_syscall_64+0xc6/0x1e0 [ 4448.961567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4448.961567][ T10] [ 4448.963231][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4448.963231][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4448.963231][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4448.963231][ T10] ipv6_find_idev+0x102/0x170 [ 4448.963231][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4448.963231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4448.963231][ T10] netlink_rcv_skb+0x130/0x360 [ 4448.963231][ T10] netlink_unicast+0x449/0x710 [ 4448.963231][ T10] netlink_sendmsg+0x723/0xbe0 [ 4448.963231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4448.963231][ T10] ___sys_sendmsg+0xee/0x170 [ 4448.963231][ T10] __sys_sendmsg+0xcd/0x170 [ 4448.963231][ T10] do_syscall_64+0xc6/0x1e0 [ 4448.963231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4448.963231][ T10] [ 4448.964983][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4448.965675][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4448.965675][ T10] netdev_get_by_index+0x5e/0x80 [ 4448.965675][ T10] fib6_nh_init+0x3d8/0x1580 [ 4448.965675][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4448.965675][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4448.965675][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4448.965675][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4448.965675][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4448.965675][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4448.965675][ T10] addrconf_dad_begin+0x310/0x670 [ 4448.965675][ T10] addrconf_dad_work+0x10b/0xab0 [ 4448.965675][ T10] process_one_work+0x84d/0x18a0 [ 4448.965675][ T10] worker_thread+0x587/0xd30 [ 4448.965675][ T10] kthread+0x28a/0x350 [ 4448.965675][ T10] ret_from_fork+0x31/0x70 [ 4448.965675][ T10] ret_from_fork_asm+0x1a/0x30 [ 4448.965675][ T10] [ 4448.967612][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4448.967612][ T10] netdev_get_by_index+0x5e/0x80 [ 4448.967612][ T10] fib6_nh_init+0x3d8/0x1580 [ 4448.967612][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4448.967612][ T10] ip6_route_add+0x1c/0x140 [ 4448.967612][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4448.967612][ T10] inet6_addr_add+0x4f8/0xa40 [ 4448.967612][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4448.967612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4448.967612][ T10] netlink_rcv_skb+0x130/0x360 [ 4448.967612][ T10] netlink_unicast+0x449/0x710 [ 4448.967612][ T10] netlink_sendmsg+0x723/0xbe0 [ 4448.967612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4448.967612][ T10] ___sys_sendmsg+0xee/0x170 [ 4448.967612][ T10] __sys_sendmsg+0xcd/0x170 [ 4448.967612][ T10] do_syscall_64+0xc6/0x1e0 [ 4448.967612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4448.967612][ T10] [ 4448.969685][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4448.969685][ T10] netdev_get_by_index+0x5e/0x80 [ 4448.969685][ T10] fib6_nh_init+0x3d8/0x1580 [ 4448.969685][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4448.969685][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4448.969685][ T10] ipv6_add_addr+0x411/0x2000 [ 4448.969685][ T10] inet6_addr_add+0x30e/0xa40 [ 4448.969685][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4448.969685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4448.969685][ T10] netlink_rcv_skb+0x130/0x360 [ 4448.969685][ T10] netlink_unicast+0x449/0x710 [ 4448.969685][ T10] netlink_sendmsg+0x723/0xbe0 [ 4448.969685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4448.969685][ T10] ___sys_sendmsg+0xee/0x170 [ 4448.969685][ T10] __sys_sendmsg+0xcd/0x170 [ 4448.969685][ T10] do_syscall_64+0xc6/0x1e0 [ 4448.969685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4448.969685][ T10] [ 4448.971816][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4448.971816][ T10] netdev_get_by_index+0x5e/0x80 [ 4448.971816][ T10] fib6_nh_init+0x3d8/0x1580 [ 4448.971816][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4448.971816][ T10] ip6_route_add+0x1c/0x140 [ 4448.971816][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4448.971816][ T10] addrconf_add_dev+0xe2/0x170 [ 4448.971816][ T10] inet6_addr_add+0x12f/0xa40 [ 4448.971816][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4448.971816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4448.971816][ T10] netlink_rcv_skb+0x130/0x360 [ 4448.971816][ T10] netlink_unicast+0x449/0x710 [ 4448.971816][ T10] netlink_sendmsg+0x723/0xbe0 [ 4448.971816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4448.971816][ T10] ___sys_sendmsg+0xee/0x170 [ 4448.971816][ T10] __sys_sendmsg+0xcd/0x170 [ 4448.971816][ T10] do_syscall_64+0xc6/0x1e0 [ 4448.971816][ T10] [ 4448.973949][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4448.973949][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4448.973949][ T10] ipv6_find_idev+0x102/0x170 [ 4448.973949][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4448.973949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4448.973949][ T10] netlink_rcv_skb+0x130/0x360 [ 4448.973949][ T10] netlink_unicast+0x449/0x710 [ 4448.973949][ T10] netlink_sendmsg+0x723/0xbe0 [ 4448.973949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4448.973949][ T10] ___sys_sendmsg+0xee/0x170 [ 4448.973949][ T10] __sys_sendmsg+0xcd/0x170 [ 4448.973949][ T10] do_syscall_64+0xc6/0x1e0 [ 4448.973949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4448.973949][ T10] [ 4448.975576][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4448.975576][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4448.975576][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4448.975576][ T10] ipv6_find_idev+0x102/0x170 [ 4448.975576][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4448.975576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4448.975576][ T10] netlink_rcv_skb+0x130/0x360 [ 4448.975576][ T10] netlink_unicast+0x449/0x710 [ 4448.975576][ T10] netlink_sendmsg+0x723/0xbe0 [ 4448.975576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4448.975576][ T10] ___sys_sendmsg+0xee/0x170 [ 4448.975576][ T10] __sys_sendmsg+0xcd/0x170 [ 4448.975576][ T10] do_syscall_64+0xc6/0x1e0 [ 4448.975576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4448.975576][ T10] [ 4454.697057][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4454.697564][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4454.697564][ T1167] dst_init+0x84/0x4a0 [ 4454.697564][ T1167] dst_alloc+0x97/0x150 [ 4454.697564][ T1167] ip6_dst_alloc+0x23/0x90 [ 4454.697564][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4454.697564][ T1167] ip6_pol_route+0x56f/0x840 [ 4454.697564][ T1167] fib6_rule_lookup+0x334/0x630 [ 4454.697564][ T1167] ip6_route_output_flags+0x259/0x480 [ 4454.697564][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4454.697564][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4454.697564][ T1167] netlink_rcv_skb+0x130/0x360 [ 4454.697564][ T1167] netlink_unicast+0x449/0x710 [ 4454.697564][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4454.697564][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4454.697564][ T1167] ___sys_sendmsg+0xee/0x170 [ 4454.697564][ T1167] __sys_sendmsg+0xcd/0x170 [ 4454.697564][ T1167] do_syscall_64+0xc6/0x1e0 [ 4454.697564][ T1167] [ 4454.699769][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4454.699769][ T1167] netdev_get_by_index+0x5e/0x80 [ 4454.699769][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4454.699769][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4454.699769][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4454.699769][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4454.699769][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4454.699769][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4454.699769][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4454.699769][ T1167] addrconf_dad_begin+0x310/0x670 [ 4454.699769][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4454.699769][ T1167] process_one_work+0x84d/0x18a0 [ 4454.699769][ T1167] worker_thread+0x587/0xd30 [ 4454.699769][ T1167] kthread+0x28a/0x350 [ 4454.699769][ T1167] ret_from_fork+0x31/0x70 [ 4454.699769][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4454.699769][ T1167] [ 4454.701912][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4454.701912][ T1167] netdev_get_by_index+0x5e/0x80 [ 4454.701912][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4454.701912][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4454.701912][ T1167] ip6_route_add+0x1c/0x140 [ 4454.701912][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4454.701912][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4454.701912][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4454.701912][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4454.701912][ T1167] netlink_rcv_skb+0x130/0x360 [ 4454.701912][ T1167] netlink_unicast+0x449/0x710 [ 4454.701912][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4454.701912][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4454.701912][ T1167] ___sys_sendmsg+0xee/0x170 [ 4454.701912][ T1167] __sys_sendmsg+0xcd/0x170 [ 4454.701912][ T1167] do_syscall_64+0xc6/0x1e0 [ 4454.701912][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4454.701912][ T1167] [ 4454.704160][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4454.704160][ T1167] netdev_get_by_index+0x5e/0x80 [ 4454.704160][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4454.704160][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4454.704160][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4454.704160][ T1167] ipv6_add_addr+0x411/0x2000 [ 4454.704160][ T1167] inet6_addr_add+0x30e/0xa40 [ 4454.704160][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4454.704160][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4454.704160][ T1167] netlink_rcv_skb+0x130/0x360 [ 4454.704160][ T1167] netlink_unicast+0x449/0x710 [ 4454.704160][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4454.704160][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4454.704160][ T1167] ___sys_sendmsg+0xee/0x170 [ 4454.704160][ T1167] __sys_sendmsg+0xcd/0x170 [ 4454.704160][ T1167] do_syscall_64+0xc6/0x1e0 [ 4454.704160][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4454.704160][ T1167] [ 4454.706396][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4454.706396][ T1167] netdev_get_by_index+0x5e/0x80 [ 4454.706396][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4454.706396][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4454.706396][ T1167] ip6_route_add+0x1c/0x140 [ 4454.706396][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4454.706396][ T1167] addrconf_add_dev+0xe2/0x170 [ 4454.706396][ T1167] inet6_addr_add+0x12f/0xa40 [ 4454.706396][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4454.706396][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4454.706396][ T1167] netlink_rcv_skb+0x130/0x360 [ 4454.706396][ T1167] netlink_unicast+0x449/0x710 [ 4454.706396][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4454.706396][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4454.706396][ T1167] ___sys_sendmsg+0xee/0x170 [ 4454.706396][ T1167] __sys_sendmsg+0xcd/0x170 [ 4454.706396][ T1167] do_syscall_64+0xc6/0x1e0 [ 4454.706396][ T1167] [ 4454.708604][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4454.708604][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4454.708604][ T1167] ipv6_find_idev+0x102/0x170 [ 4454.708604][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4454.708604][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4454.708604][ T1167] netlink_rcv_skb+0x130/0x360 [ 4454.708604][ T1167] netlink_unicast+0x449/0x710 [ 4454.708604][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4454.708604][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4454.708604][ T1167] ___sys_sendmsg+0xee/0x170 [ 4454.708604][ T1167] __sys_sendmsg+0xcd/0x170 [ 4454.708604][ T1167] do_syscall_64+0xc6/0x1e0 [ 4454.708604][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4454.708604][ T1167] [ 4454.710494][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4454.710494][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4454.710494][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4454.710494][ T1167] ipv6_find_idev+0x102/0x170 [ 4454.710494][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4454.710494][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4454.710494][ T1167] netlink_rcv_skb+0x130/0x360 [ 4454.710494][ T1167] netlink_unicast+0x449/0x710 [ 4454.710494][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4454.710494][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4454.710494][ T1167] ___sys_sendmsg+0xee/0x170 [ 4454.710494][ T1167] __sys_sendmsg+0xcd/0x170 [ 4454.710494][ T1167] do_syscall_64+0xc6/0x1e0 [ 4454.710494][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4454.710494][ T1167] [ 4459.217053][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4459.217492][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4459.217492][ T10] netdev_get_by_index+0x5e/0x80 [ 4459.217492][ T10] fib6_nh_init+0x3d8/0x1580 [ 4459.217492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4459.217492][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4459.217492][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4459.217492][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4459.217492][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4459.217492][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4459.217492][ T10] addrconf_dad_begin+0x310/0x670 [ 4459.217492][ T10] addrconf_dad_work+0x10b/0xab0 [ 4459.217492][ T10] process_one_work+0x84d/0x18a0 [ 4459.217492][ T10] worker_thread+0x587/0xd30 [ 4459.217492][ T10] kthread+0x28a/0x350 [ 4459.217492][ T10] ret_from_fork+0x31/0x70 [ 4459.217492][ T10] ret_from_fork_asm+0x1a/0x30 [ 4459.217492][ T10] [ 4459.219492][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4459.219492][ T10] netdev_get_by_index+0x5e/0x80 [ 4459.219492][ T10] fib6_nh_init+0x3d8/0x1580 [ 4459.219492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4459.219492][ T10] ip6_route_add+0x1c/0x140 [ 4459.219492][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4459.219492][ T10] inet6_addr_add+0x4f8/0xa40 [ 4459.219492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4459.219492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4459.219492][ T10] netlink_rcv_skb+0x130/0x360 [ 4459.219492][ T10] netlink_unicast+0x449/0x710 [ 4459.219492][ T10] netlink_sendmsg+0x723/0xbe0 [ 4459.219492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4459.219492][ T10] ___sys_sendmsg+0xee/0x170 [ 4459.219492][ T10] __sys_sendmsg+0xcd/0x170 [ 4459.219492][ T10] do_syscall_64+0xc6/0x1e0 [ 4459.219492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4459.219492][ T10] [ 4459.221546][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4459.221546][ T10] netdev_get_by_index+0x5e/0x80 [ 4459.221546][ T10] fib6_nh_init+0x3d8/0x1580 [ 4459.221546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4459.221546][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4459.221546][ T10] ipv6_add_addr+0x411/0x2000 [ 4459.221546][ T10] inet6_addr_add+0x30e/0xa40 [ 4459.221546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4459.221546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4459.221546][ T10] netlink_rcv_skb+0x130/0x360 [ 4459.221546][ T10] netlink_unicast+0x449/0x710 [ 4459.221546][ T10] netlink_sendmsg+0x723/0xbe0 [ 4459.221546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4459.221546][ T10] ___sys_sendmsg+0xee/0x170 [ 4459.221546][ T10] __sys_sendmsg+0xcd/0x170 [ 4459.221546][ T10] do_syscall_64+0xc6/0x1e0 [ 4459.221546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4459.221546][ T10] [ 4459.223570][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4459.223570][ T10] netdev_get_by_index+0x5e/0x80 [ 4459.223570][ T10] fib6_nh_init+0x3d8/0x1580 [ 4459.223570][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4459.223570][ T10] ip6_route_add+0x1c/0x140 [ 4459.223570][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4459.223570][ T10] addrconf_add_dev+0xe2/0x170 [ 4459.223570][ T10] inet6_addr_add+0x12f/0xa40 [ 4459.223570][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4459.223570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4459.223570][ T10] netlink_rcv_skb+0x130/0x360 [ 4459.223570][ T10] netlink_unicast+0x449/0x710 [ 4459.223570][ T10] netlink_sendmsg+0x723/0xbe0 [ 4459.223570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4459.223570][ T10] ___sys_sendmsg+0xee/0x170 [ 4459.223570][ T10] __sys_sendmsg+0xcd/0x170 [ 4459.223570][ T10] do_syscall_64+0xc6/0x1e0 [ 4459.223570][ T10] [ 4459.225561][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4459.225561][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4459.225561][ T10] ipv6_find_idev+0x102/0x170 [ 4459.225561][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4459.225561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4459.225561][ T10] netlink_rcv_skb+0x130/0x360 [ 4459.225561][ T10] netlink_unicast+0x449/0x710 [ 4459.225561][ T10] netlink_sendmsg+0x723/0xbe0 [ 4459.225561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4459.225561][ T10] ___sys_sendmsg+0xee/0x170 [ 4459.225561][ T10] __sys_sendmsg+0xcd/0x170 [ 4459.225561][ T10] do_syscall_64+0xc6/0x1e0 [ 4459.225561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4459.225561][ T10] [ 4459.227139][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4459.227139][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4459.227139][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4459.227139][ T10] ipv6_find_idev+0x102/0x170 [ 4459.227139][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4459.227139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4459.227139][ T10] netlink_rcv_skb+0x130/0x360 [ 4459.227139][ T10] netlink_unicast+0x449/0x710 [ 4459.227139][ T10] netlink_sendmsg+0x723/0xbe0 [ 4459.227139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4459.227139][ T10] ___sys_sendmsg+0xee/0x170 [ 4459.227139][ T10] __sys_sendmsg+0xcd/0x170 [ 4459.227139][ T10] do_syscall_64+0xc6/0x1e0 [ 4459.227139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4459.227139][ T10] [ 4459.228859][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4459.229136][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4459.229136][ T10] netdev_get_by_index+0x5e/0x80 [ 4459.229136][ T10] fib6_nh_init+0x3d8/0x1580 [ 4459.229136][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4459.229136][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4459.229136][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4459.229136][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4459.229136][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4459.229136][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4459.229136][ T10] addrconf_dad_begin+0x310/0x670 [ 4459.229136][ T10] addrconf_dad_work+0x10b/0xab0 [ 4459.229136][ T10] process_one_work+0x84d/0x18a0 [ 4459.229136][ T10] worker_thread+0x587/0xd30 [ 4459.229136][ T10] kthread+0x28a/0x350 [ 4459.229136][ T10] ret_from_fork+0x31/0x70 [ 4459.229136][ T10] ret_from_fork_asm+0x1a/0x30 [ 4459.229136][ T10] [ 4459.231087][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4459.231087][ T10] netdev_get_by_index+0x5e/0x80 [ 4459.231087][ T10] fib6_nh_init+0x3d8/0x1580 [ 4459.231087][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4459.231087][ T10] ip6_route_add+0x1c/0x140 [ 4459.231087][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4459.231087][ T10] inet6_addr_add+0x4f8/0xa40 [ 4459.231087][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4459.231087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4459.231087][ T10] netlink_rcv_skb+0x130/0x360 [ 4459.231087][ T10] netlink_unicast+0x449/0x710 [ 4459.231087][ T10] netlink_sendmsg+0x723/0xbe0 [ 4459.231087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4459.231087][ T10] ___sys_sendmsg+0xee/0x170 [ 4459.231087][ T10] __sys_sendmsg+0xcd/0x170 [ 4459.231087][ T10] do_syscall_64+0xc6/0x1e0 [ 4459.231087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4459.231087][ T10] [ 4459.233643][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4459.233643][ T10] netdev_get_by_index+0x5e/0x80 [ 4459.233643][ T10] fib6_nh_init+0x3d8/0x1580 [ 4459.233643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4459.233643][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4459.233643][ T10] ipv6_add_addr+0x411/0x2000 [ 4459.233643][ T10] inet6_addr_add+0x30e/0xa40 [ 4459.233643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4459.233643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4459.233643][ T10] netlink_rcv_skb+0x130/0x360 [ 4459.233643][ T10] netlink_unicast+0x449/0x710 [ 4459.233643][ T10] netlink_sendmsg+0x723/0xbe0 [ 4459.233643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4459.233643][ T10] ___sys_sendmsg+0xee/0x170 [ 4459.233643][ T10] __sys_sendmsg+0xcd/0x170 [ 4459.233643][ T10] do_syscall_64+0xc6/0x1e0 [ 4459.233643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4459.233643][ T10] [ 4459.235686][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4459.235686][ T10] netdev_get_by_index+0x5e/0x80 [ 4459.235686][ T10] fib6_nh_init+0x3d8/0x1580 [ 4459.235686][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4459.235686][ T10] ip6_route_add+0x1c/0x140 [ 4459.235686][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4459.235686][ T10] addrconf_add_dev+0xe2/0x170 [ 4459.235686][ T10] inet6_addr_add+0x12f/0xa40 [ 4459.235686][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4459.235686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4459.235686][ T10] netlink_rcv_skb+0x130/0x360 [ 4459.235686][ T10] netlink_unicast+0x449/0x710 [ 4459.235686][ T10] netlink_sendmsg+0x723/0xbe0 [ 4459.235686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4459.235686][ T10] ___sys_sendmsg+0xee/0x170 [ 4459.235686][ T10] __sys_sendmsg+0xcd/0x170 [ 4459.235686][ T10] do_syscall_64+0xc6/0x1e0 [ 4459.235686][ T10] [ 4459.237686][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4459.237686][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4459.237686][ T10] ipv6_find_idev+0x102/0x170 [ 4459.237686][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4459.237686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4459.237686][ T10] netlink_rcv_skb+0x130/0x360 [ 4459.237686][ T10] netlink_unicast+0x449/0x710 [ 4459.237686][ T10] netlink_sendmsg+0x723/0xbe0 [ 4459.237686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4459.237686][ T10] ___sys_sendmsg+0xee/0x170 [ 4459.237686][ T10] __sys_sendmsg+0xcd/0x170 [ 4459.237686][ T10] do_syscall_64+0xc6/0x1e0 [ 4459.237686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4459.237686][ T10] [ 4459.239233][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4459.239233][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4459.239233][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4459.239233][ T10] ipv6_find_idev+0x102/0x170 [ 4459.239233][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4459.239233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4459.239233][ T10] netlink_rcv_skb+0x130/0x360 [ 4459.239233][ T10] netlink_unicast+0x449/0x710 [ 4459.239233][ T10] netlink_sendmsg+0x723/0xbe0 [ 4459.239233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4459.239233][ T10] ___sys_sendmsg+0xee/0x170 [ 4459.239233][ T10] __sys_sendmsg+0xcd/0x170 [ 4459.239233][ T10] do_syscall_64+0xc6/0x1e0 [ 4459.239233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4459.239233][ T10] [ 4459.243688][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4459.243939][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4459.243939][ T10] netdev_get_by_index+0x5e/0x80 [ 4459.243939][ T10] fib6_nh_init+0x3d8/0x1580 [ 4459.243939][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4459.243939][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4459.243939][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4459.243939][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4459.243939][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4459.243939][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4459.243939][ T10] addrconf_dad_begin+0x310/0x670 [ 4459.243939][ T10] addrconf_dad_work+0x10b/0xab0 [ 4459.243939][ T10] process_one_work+0x84d/0x18a0 [ 4459.243939][ T10] worker_thread+0x587/0xd30 [ 4459.243939][ T10] kthread+0x28a/0x350 [ 4459.243939][ T10] ret_from_fork+0x31/0x70 [ 4459.243939][ T10] ret_from_fork_asm+0x1a/0x30 [ 4459.243939][ T10] [ 4459.245867][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4459.245867][ T10] netdev_get_by_index+0x5e/0x80 [ 4459.245867][ T10] fib6_nh_init+0x3d8/0x1580 [ 4459.245867][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4459.245867][ T10] ip6_route_add+0x1c/0x140 [ 4459.245867][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4459.245867][ T10] inet6_addr_add+0x4f8/0xa40 [ 4459.245867][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4459.245867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4459.245867][ T10] netlink_rcv_skb+0x130/0x360 [ 4459.245867][ T10] netlink_unicast+0x449/0x710 [ 4459.245867][ T10] netlink_sendmsg+0x723/0xbe0 [ 4459.245867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4459.245867][ T10] ___sys_sendmsg+0xee/0x170 [ 4459.245867][ T10] __sys_sendmsg+0xcd/0x170 [ 4459.245867][ T10] do_syscall_64+0xc6/0x1e0 [ 4459.245867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4459.245867][ T10] [ 4459.248098][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4459.248098][ T10] netdev_get_by_index+0x5e/0x80 [ 4459.248098][ T10] fib6_nh_init+0x3d8/0x1580 [ 4459.248098][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4459.248098][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4459.248098][ T10] ipv6_add_addr+0x411/0x2000 [ 4459.248098][ T10] inet6_addr_add+0x30e/0xa40 [ 4459.248098][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4459.248098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4459.248098][ T10] netlink_rcv_skb+0x130/0x360 [ 4459.248098][ T10] netlink_unicast+0x449/0x710 [ 4459.248098][ T10] netlink_sendmsg+0x723/0xbe0 [ 4459.248098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4459.248098][ T10] ___sys_sendmsg+0xee/0x170 [ 4459.248098][ T10] __sys_sendmsg+0xcd/0x170 [ 4459.248098][ T10] do_syscall_64+0xc6/0x1e0 [ 4459.248098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4459.248098][ T10] [ 4459.250373][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4459.250373][ T10] netdev_get_by_index+0x5e/0x80 [ 4459.250373][ T10] fib6_nh_init+0x3d8/0x1580 [ 4459.250373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4459.250373][ T10] ip6_route_add+0x1c/0x140 [ 4459.250373][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4459.250373][ T10] addrconf_add_dev+0xe2/0x170 [ 4459.250373][ T10] inet6_addr_add+0x12f/0xa40 [ 4459.250373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4459.250373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4459.250373][ T10] netlink_rcv_skb+0x130/0x360 [ 4459.250373][ T10] netlink_unicast+0x449/0x710 [ 4459.250373][ T10] netlink_sendmsg+0x723/0xbe0 [ 4459.250373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4459.250373][ T10] ___sys_sendmsg+0xee/0x170 [ 4459.250373][ T10] __sys_sendmsg+0xcd/0x170 [ 4459.250373][ T10] do_syscall_64+0xc6/0x1e0 [ 4459.250373][ T10] [ 4459.252672][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4459.252672][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4459.252672][ T10] ipv6_find_idev+0x102/0x170 [ 4459.252672][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4459.252672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4459.252672][ T10] netlink_rcv_skb+0x130/0x360 [ 4459.252672][ T10] netlink_unicast+0x449/0x710 [ 4459.252672][ T10] netlink_sendmsg+0x723/0xbe0 [ 4459.252672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4459.252672][ T10] ___sys_sendmsg+0xee/0x170 [ 4459.252672][ T10] __sys_sendmsg+0xcd/0x170 [ 4459.252672][ T10] do_syscall_64+0xc6/0x1e0 [ 4459.252672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4459.252672][ T10] [ 4459.254418][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4459.254418][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4459.254418][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4459.254418][ T10] ipv6_find_idev+0x102/0x170 [ 4459.254418][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4459.254418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4459.254418][ T10] netlink_rcv_skb+0x130/0x360 [ 4459.254418][ T10] netlink_unicast+0x449/0x710 [ 4459.254418][ T10] netlink_sendmsg+0x723/0xbe0 [ 4459.254418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4459.254418][ T10] ___sys_sendmsg+0xee/0x170 [ 4459.254418][ T10] __sys_sendmsg+0xcd/0x170 [ 4459.254418][ T10] do_syscall_64+0xc6/0x1e0 [ 4459.254418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4459.254418][ T10] [ 4459.256311][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4459.256558][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4459.256558][ T10] netdev_get_by_index+0x5e/0x80 [ 4459.256558][ T10] fib6_nh_init+0x3d8/0x1580 [ 4459.256558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4459.256558][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4459.256558][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4459.256558][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4459.256558][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4459.256558][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4459.256558][ T10] addrconf_dad_begin+0x310/0x670 [ 4459.256558][ T10] addrconf_dad_work+0x10b/0xab0 [ 4459.256558][ T10] process_one_work+0x84d/0x18a0 [ 4459.256558][ T10] worker_thread+0x587/0xd30 [ 4459.256558][ T10] kthread+0x28a/0x350 [ 4459.256558][ T10] ret_from_fork+0x31/0x70 [ 4459.256558][ T10] ret_from_fork_asm+0x1a/0x30 [ 4459.256558][ T10] [ 4459.258721][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4459.258721][ T10] netdev_get_by_index+0x5e/0x80 [ 4459.258721][ T10] fib6_nh_init+0x3d8/0x1580 [ 4459.258721][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4459.258721][ T10] ip6_route_add+0x1c/0x140 [ 4459.258721][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4459.258721][ T10] inet6_addr_add+0x4f8/0xa40 [ 4459.258721][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4459.258721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4459.258721][ T10] netlink_rcv_skb+0x130/0x360 [ 4459.258721][ T10] netlink_unicast+0x449/0x710 [ 4459.258721][ T10] netlink_sendmsg+0x723/0xbe0 [ 4459.258721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4459.258721][ T10] ___sys_sendmsg+0xee/0x170 [ 4459.258721][ T10] __sys_sendmsg+0xcd/0x170 [ 4459.258721][ T10] do_syscall_64+0xc6/0x1e0 [ 4459.258721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4459.258721][ T10] [ 4459.260973][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4459.260973][ T10] netdev_get_by_index+0x5e/0x80 [ 4459.260973][ T10] fib6_nh_init+0x3d8/0x1580 [ 4459.260973][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4459.260973][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4459.260973][ T10] ipv6_add_addr+0x411/0x2000 [ 4459.260973][ T10] inet6_addr_add+0x30e/0xa40 [ 4459.260973][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4459.260973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4459.260973][ T10] netlink_rcv_skb+0x130/0x360 [ 4459.260973][ T10] netlink_unicast+0x449/0x710 [ 4459.260973][ T10] netlink_sendmsg+0x723/0xbe0 [ 4459.260973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4459.260973][ T10] ___sys_sendmsg+0xee/0x170 [ 4459.260973][ T10] __sys_sendmsg+0xcd/0x170 [ 4459.260973][ T10] do_syscall_64+0xc6/0x1e0 [ 4459.260973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4459.260973][ T10] [ 4459.263251][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4459.263251][ T10] netdev_get_by_index+0x5e/0x80 [ 4459.263251][ T10] fib6_nh_init+0x3d8/0x1580 [ 4459.263251][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4459.263251][ T10] ip6_route_add+0x1c/0x140 [ 4459.263251][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4459.263251][ T10] addrconf_add_dev+0xe2/0x170 [ 4459.263251][ T10] inet6_addr_add+0x12f/0xa40 [ 4459.263251][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4459.263251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4459.263251][ T10] netlink_rcv_skb+0x130/0x360 [ 4459.263251][ T10] netlink_unicast+0x449/0x710 [ 4459.263251][ T10] netlink_sendmsg+0x723/0xbe0 [ 4459.263251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4459.263251][ T10] ___sys_sendmsg+0xee/0x170 [ 4459.263251][ T10] __sys_sendmsg+0xcd/0x170 [ 4459.263251][ T10] do_syscall_64+0xc6/0x1e0 [ 4459.263251][ T10] [ 4459.265575][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4459.265575][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4459.265575][ T10] ipv6_find_idev+0x102/0x170 [ 4459.265575][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4459.265575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4459.265575][ T10] netlink_rcv_skb+0x130/0x360 [ 4459.265575][ T10] netlink_unicast+0x449/0x710 [ 4459.265575][ T10] netlink_sendmsg+0x723/0xbe0 [ 4459.265575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4459.265575][ T10] ___sys_sendmsg+0xee/0x170 [ 4459.265575][ T10] __sys_sendmsg+0xcd/0x170 [ 4459.265575][ T10] do_syscall_64+0xc6/0x1e0 [ 4459.265575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4459.265575][ T10] [ 4459.267322][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4459.267322][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4459.267322][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4459.267322][ T10] ipv6_find_idev+0x102/0x170 [ 4459.267322][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4459.267322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4459.267322][ T10] netlink_rcv_skb+0x130/0x360 [ 4459.267322][ T10] netlink_unicast+0x449/0x710 [ 4459.267322][ T10] netlink_sendmsg+0x723/0xbe0 [ 4459.267322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4459.267322][ T10] ___sys_sendmsg+0xee/0x170 [ 4459.267322][ T10] __sys_sendmsg+0xcd/0x170 [ 4459.267322][ T10] do_syscall_64+0xc6/0x1e0 [ 4459.267322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4459.267322][ T10] [ 4464.961127][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4464.961602][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4464.961602][ T1167] dst_init+0x84/0x4a0 [ 4464.961602][ T1167] dst_alloc+0x97/0x150 [ 4464.961602][ T1167] ip6_dst_alloc+0x23/0x90 [ 4464.961602][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4464.961602][ T1167] ip6_pol_route+0x56f/0x840 [ 4464.961602][ T1167] fib6_rule_lookup+0x334/0x630 [ 4464.961602][ T1167] ip6_route_output_flags+0x259/0x480 [ 4464.961602][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4464.961602][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4464.961602][ T1167] netlink_rcv_skb+0x130/0x360 [ 4464.961602][ T1167] netlink_unicast+0x449/0x710 [ 4464.961602][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4464.961602][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4464.961602][ T1167] ___sys_sendmsg+0xee/0x170 [ 4464.961602][ T1167] __sys_sendmsg+0xcd/0x170 [ 4464.961602][ T1167] do_syscall_64+0xc6/0x1e0 [ 4464.961602][ T1167] [ 4464.963807][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4464.963807][ T1167] netdev_get_by_index+0x5e/0x80 [ 4464.963807][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4464.963807][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4464.963807][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4464.963807][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4464.963807][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4464.963807][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4464.963807][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4464.963807][ T1167] addrconf_dad_begin+0x310/0x670 [ 4464.963807][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4464.963807][ T1167] process_one_work+0x84d/0x18a0 [ 4464.963807][ T1167] worker_thread+0x587/0xd30 [ 4464.963807][ T1167] kthread+0x28a/0x350 [ 4464.963807][ T1167] ret_from_fork+0x31/0x70 [ 4464.963807][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4464.963807][ T1167] [ 4464.965954][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4464.965954][ T1167] netdev_get_by_index+0x5e/0x80 [ 4464.965954][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4464.965954][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4464.965954][ T1167] ip6_route_add+0x1c/0x140 [ 4464.965954][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4464.965954][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4464.965954][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4464.965954][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4464.965954][ T1167] netlink_rcv_skb+0x130/0x360 [ 4464.965954][ T1167] netlink_unicast+0x449/0x710 [ 4464.965954][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4464.965954][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4464.965954][ T1167] ___sys_sendmsg+0xee/0x170 [ 4464.965954][ T1167] __sys_sendmsg+0xcd/0x170 [ 4464.965954][ T1167] do_syscall_64+0xc6/0x1e0 [ 4464.965954][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4464.965954][ T1167] [ 4464.968199][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4464.968199][ T1167] netdev_get_by_index+0x5e/0x80 [ 4464.968199][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4464.968199][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4464.968199][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4464.968199][ T1167] ipv6_add_addr+0x411/0x2000 [ 4464.968199][ T1167] inet6_addr_add+0x30e/0xa40 [ 4464.968199][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4464.968199][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4464.968199][ T1167] netlink_rcv_skb+0x130/0x360 [ 4464.968199][ T1167] netlink_unicast+0x449/0x710 [ 4464.968199][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4464.968199][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4464.968199][ T1167] ___sys_sendmsg+0xee/0x170 [ 4464.968199][ T1167] __sys_sendmsg+0xcd/0x170 [ 4464.968199][ T1167] do_syscall_64+0xc6/0x1e0 [ 4464.968199][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4464.968199][ T1167] [ 4464.970464][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4464.970464][ T1167] netdev_get_by_index+0x5e/0x80 [ 4464.970464][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4464.970464][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4464.970464][ T1167] ip6_route_add+0x1c/0x140 [ 4464.970464][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4464.970464][ T1167] addrconf_add_dev+0xe2/0x170 [ 4464.970464][ T1167] inet6_addr_add+0x12f/0xa40 [ 4464.970464][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4464.970464][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4464.970464][ T1167] netlink_rcv_skb+0x130/0x360 [ 4464.970464][ T1167] netlink_unicast+0x449/0x710 [ 4464.970464][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4464.970464][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4464.970464][ T1167] ___sys_sendmsg+0xee/0x170 [ 4464.970464][ T1167] __sys_sendmsg+0xcd/0x170 [ 4464.970464][ T1167] do_syscall_64+0xc6/0x1e0 [ 4464.970464][ T1167] [ 4464.972851][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4464.972851][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4464.972851][ T1167] ipv6_find_idev+0x102/0x170 [ 4464.972851][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4464.972851][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4464.972851][ T1167] netlink_rcv_skb+0x130/0x360 [ 4464.972851][ T1167] netlink_unicast+0x449/0x710 [ 4464.972851][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4464.972851][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4464.972851][ T1167] ___sys_sendmsg+0xee/0x170 [ 4464.972851][ T1167] __sys_sendmsg+0xcd/0x170 [ 4464.972851][ T1167] do_syscall_64+0xc6/0x1e0 [ 4464.972851][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4464.972851][ T1167] [ 4464.974729][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4464.974729][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4464.974729][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4464.974729][ T1167] ipv6_find_idev+0x102/0x170 [ 4464.974729][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4464.974729][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4464.974729][ T1167] netlink_rcv_skb+0x130/0x360 [ 4464.974729][ T1167] netlink_unicast+0x449/0x710 [ 4464.974729][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4464.974729][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4464.974729][ T1167] ___sys_sendmsg+0xee/0x170 [ 4464.974729][ T1167] __sys_sendmsg+0xcd/0x170 [ 4464.974729][ T1167] do_syscall_64+0xc6/0x1e0 [ 4464.974729][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4464.974729][ T1167] [ 4469.505127][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4469.505558][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4469.505558][ T10] netdev_get_by_index+0x5e/0x80 [ 4469.505558][ T10] fib6_nh_init+0x3d8/0x1580 [ 4469.505558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4469.505558][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4469.505558][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4469.505558][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4469.505558][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4469.505558][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4469.505558][ T10] addrconf_dad_begin+0x310/0x670 [ 4469.505558][ T10] addrconf_dad_work+0x10b/0xab0 [ 4469.505558][ T10] process_one_work+0x84d/0x18a0 [ 4469.505558][ T10] worker_thread+0x587/0xd30 [ 4469.505558][ T10] kthread+0x28a/0x350 [ 4469.505558][ T10] ret_from_fork+0x31/0x70 [ 4469.505558][ T10] ret_from_fork_asm+0x1a/0x30 [ 4469.505558][ T10] [ 4469.507998][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4469.507998][ T10] netdev_get_by_index+0x5e/0x80 [ 4469.507998][ T10] fib6_nh_init+0x3d8/0x1580 [ 4469.507998][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4469.507998][ T10] ip6_route_add+0x1c/0x140 [ 4469.507998][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4469.507998][ T10] inet6_addr_add+0x4f8/0xa40 [ 4469.507998][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4469.507998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4469.507998][ T10] netlink_rcv_skb+0x130/0x360 [ 4469.507998][ T10] netlink_unicast+0x449/0x710 [ 4469.507998][ T10] netlink_sendmsg+0x723/0xbe0 [ 4469.507998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4469.507998][ T10] ___sys_sendmsg+0xee/0x170 [ 4469.507998][ T10] __sys_sendmsg+0xcd/0x170 [ 4469.507998][ T10] do_syscall_64+0xc6/0x1e0 [ 4469.507998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4469.507998][ T10] [ 4469.510018][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4469.510018][ T10] netdev_get_by_index+0x5e/0x80 [ 4469.510018][ T10] fib6_nh_init+0x3d8/0x1580 [ 4469.510018][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4469.510018][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4469.510018][ T10] ipv6_add_addr+0x411/0x2000 [ 4469.510018][ T10] inet6_addr_add+0x30e/0xa40 [ 4469.510018][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4469.510018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4469.510018][ T10] netlink_rcv_skb+0x130/0x360 [ 4469.510018][ T10] netlink_unicast+0x449/0x710 [ 4469.510018][ T10] netlink_sendmsg+0x723/0xbe0 [ 4469.510018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4469.510018][ T10] ___sys_sendmsg+0xee/0x170 [ 4469.510018][ T10] __sys_sendmsg+0xcd/0x170 [ 4469.510018][ T10] do_syscall_64+0xc6/0x1e0 [ 4469.510018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4469.510018][ T10] [ 4469.512036][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4469.512036][ T10] netdev_get_by_index+0x5e/0x80 [ 4469.512036][ T10] fib6_nh_init+0x3d8/0x1580 [ 4469.512036][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4469.512036][ T10] ip6_route_add+0x1c/0x140 [ 4469.512036][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4469.512036][ T10] addrconf_add_dev+0xe2/0x170 [ 4469.512036][ T10] inet6_addr_add+0x12f/0xa40 [ 4469.512036][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4469.512036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4469.512036][ T10] netlink_rcv_skb+0x130/0x360 [ 4469.512036][ T10] netlink_unicast+0x449/0x710 [ 4469.512036][ T10] netlink_sendmsg+0x723/0xbe0 [ 4469.512036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4469.512036][ T10] ___sys_sendmsg+0xee/0x170 [ 4469.512036][ T10] __sys_sendmsg+0xcd/0x170 [ 4469.512036][ T10] do_syscall_64+0xc6/0x1e0 [ 4469.512036][ T10] [ 4469.514008][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4469.514008][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4469.514008][ T10] ipv6_find_idev+0x102/0x170 [ 4469.514008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4469.514008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4469.514008][ T10] netlink_rcv_skb+0x130/0x360 [ 4469.514008][ T10] netlink_unicast+0x449/0x710 [ 4469.514008][ T10] netlink_sendmsg+0x723/0xbe0 [ 4469.514008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4469.514008][ T10] ___sys_sendmsg+0xee/0x170 [ 4469.514008][ T10] __sys_sendmsg+0xcd/0x170 [ 4469.514008][ T10] do_syscall_64+0xc6/0x1e0 [ 4469.514008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4469.514008][ T10] [ 4469.515546][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4469.515546][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4469.515546][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4469.515546][ T10] ipv6_find_idev+0x102/0x170 [ 4469.515546][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4469.515546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4469.515546][ T10] netlink_rcv_skb+0x130/0x360 [ 4469.515546][ T10] netlink_unicast+0x449/0x710 [ 4469.515546][ T10] netlink_sendmsg+0x723/0xbe0 [ 4469.515546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4469.515546][ T10] ___sys_sendmsg+0xee/0x170 [ 4469.515546][ T10] __sys_sendmsg+0xcd/0x170 [ 4469.515546][ T10] do_syscall_64+0xc6/0x1e0 [ 4469.515546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4469.515546][ T10] [ 4469.519870][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4469.520143][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4469.520143][ T10] netdev_get_by_index+0x5e/0x80 [ 4469.520143][ T10] fib6_nh_init+0x3d8/0x1580 [ 4469.520143][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4469.520143][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4469.520143][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4469.520143][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4469.520143][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4469.520143][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4469.520143][ T10] addrconf_dad_begin+0x310/0x670 [ 4469.520143][ T10] addrconf_dad_work+0x10b/0xab0 [ 4469.520143][ T10] process_one_work+0x84d/0x18a0 [ 4469.520143][ T10] worker_thread+0x587/0xd30 [ 4469.520143][ T10] kthread+0x28a/0x350 [ 4469.520143][ T10] ret_from_fork+0x31/0x70 [ 4469.520143][ T10] ret_from_fork_asm+0x1a/0x30 [ 4469.520143][ T10] [ 4469.522067][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4469.522067][ T10] netdev_get_by_index+0x5e/0x80 [ 4469.522067][ T10] fib6_nh_init+0x3d8/0x1580 [ 4469.522067][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4469.522067][ T10] ip6_route_add+0x1c/0x140 [ 4469.522067][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4469.522067][ T10] inet6_addr_add+0x4f8/0xa40 [ 4469.522067][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4469.522067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4469.522067][ T10] netlink_rcv_skb+0x130/0x360 [ 4469.522067][ T10] netlink_unicast+0x449/0x710 [ 4469.522067][ T10] netlink_sendmsg+0x723/0xbe0 [ 4469.522067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4469.522067][ T10] ___sys_sendmsg+0xee/0x170 [ 4469.522067][ T10] __sys_sendmsg+0xcd/0x170 [ 4469.522067][ T10] do_syscall_64+0xc6/0x1e0 [ 4469.522067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4469.522067][ T10] [ 4469.524177][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4469.524177][ T10] netdev_get_by_index+0x5e/0x80 [ 4469.524177][ T10] fib6_nh_init+0x3d8/0x1580 [ 4469.524177][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4469.524177][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4469.524177][ T10] ipv6_add_addr+0x411/0x2000 [ 4469.524177][ T10] inet6_addr_add+0x30e/0xa40 [ 4469.524177][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4469.524177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4469.524177][ T10] netlink_rcv_skb+0x130/0x360 [ 4469.524177][ T10] netlink_unicast+0x449/0x710 [ 4469.524177][ T10] netlink_sendmsg+0x723/0xbe0 [ 4469.524177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4469.524177][ T10] ___sys_sendmsg+0xee/0x170 [ 4469.524177][ T10] __sys_sendmsg+0xcd/0x170 [ 4469.524177][ T10] do_syscall_64+0xc6/0x1e0 [ 4469.524177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4469.524177][ T10] [ 4469.526184][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4469.526184][ T10] netdev_get_by_index+0x5e/0x80 [ 4469.526184][ T10] fib6_nh_init+0x3d8/0x1580 [ 4469.526184][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4469.526184][ T10] ip6_route_add+0x1c/0x140 [ 4469.526184][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4469.526184][ T10] addrconf_add_dev+0xe2/0x170 [ 4469.526184][ T10] inet6_addr_add+0x12f/0xa40 [ 4469.526184][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4469.526184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4469.526184][ T10] netlink_rcv_skb+0x130/0x360 [ 4469.526184][ T10] netlink_unicast+0x449/0x710 [ 4469.526184][ T10] netlink_sendmsg+0x723/0xbe0 [ 4469.526184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4469.526184][ T10] ___sys_sendmsg+0xee/0x170 [ 4469.526184][ T10] __sys_sendmsg+0xcd/0x170 [ 4469.526184][ T10] do_syscall_64+0xc6/0x1e0 [ 4469.526184][ T10] [ 4469.528166][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4469.528166][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4469.528166][ T10] ipv6_find_idev+0x102/0x170 [ 4469.528166][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4469.528166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4469.528166][ T10] netlink_rcv_skb+0x130/0x360 [ 4469.528166][ T10] netlink_unicast+0x449/0x710 [ 4469.528166][ T10] netlink_sendmsg+0x723/0xbe0 [ 4469.528166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4469.528166][ T10] ___sys_sendmsg+0xee/0x170 [ 4469.528166][ T10] __sys_sendmsg+0xcd/0x170 [ 4469.528166][ T10] do_syscall_64+0xc6/0x1e0 [ 4469.528166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4469.528166][ T10] [ 4469.529709][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4469.529709][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4469.529709][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4469.529709][ T10] ipv6_find_idev+0x102/0x170 [ 4469.529709][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4469.529709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4469.529709][ T10] netlink_rcv_skb+0x130/0x360 [ 4469.529709][ T10] netlink_unicast+0x449/0x710 [ 4469.529709][ T10] netlink_sendmsg+0x723/0xbe0 [ 4469.529709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4469.529709][ T10] ___sys_sendmsg+0xee/0x170 [ 4469.529709][ T10] __sys_sendmsg+0xcd/0x170 [ 4469.529709][ T10] do_syscall_64+0xc6/0x1e0 [ 4469.529709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4469.529709][ T10] [ 4469.531402][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4469.531655][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4469.531655][ T10] netdev_get_by_index+0x5e/0x80 [ 4469.531655][ T10] fib6_nh_init+0x3d8/0x1580 [ 4469.531655][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4469.531655][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4469.531655][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4469.531655][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4469.531655][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4469.531655][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4469.531655][ T10] addrconf_dad_begin+0x310/0x670 [ 4469.531655][ T10] addrconf_dad_work+0x10b/0xab0 [ 4469.531655][ T10] process_one_work+0x84d/0x18a0 [ 4469.531655][ T10] worker_thread+0x587/0xd30 [ 4469.531655][ T10] kthread+0x28a/0x350 [ 4469.531655][ T10] ret_from_fork+0x31/0x70 [ 4469.531655][ T10] ret_from_fork_asm+0x1a/0x30 [ 4469.531655][ T10] [ 4469.533584][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4469.533584][ T10] netdev_get_by_index+0x5e/0x80 [ 4469.533584][ T10] fib6_nh_init+0x3d8/0x1580 [ 4469.533584][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4469.533584][ T10] ip6_route_add+0x1c/0x140 [ 4469.533584][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4469.533584][ T10] inet6_addr_add+0x4f8/0xa40 [ 4469.533584][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4469.533584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4469.533584][ T10] netlink_rcv_skb+0x130/0x360 [ 4469.533584][ T10] netlink_unicast+0x449/0x710 [ 4469.533584][ T10] netlink_sendmsg+0x723/0xbe0 [ 4469.533584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4469.533584][ T10] ___sys_sendmsg+0xee/0x170 [ 4469.533584][ T10] __sys_sendmsg+0xcd/0x170 [ 4469.533584][ T10] do_syscall_64+0xc6/0x1e0 [ 4469.533584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4469.533584][ T10] [ 4469.535770][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4469.535770][ T10] netdev_get_by_index+0x5e/0x80 [ 4469.535770][ T10] fib6_nh_init+0x3d8/0x1580 [ 4469.535770][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4469.535770][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4469.535770][ T10] ipv6_add_addr+0x411/0x2000 [ 4469.535770][ T10] inet6_addr_add+0x30e/0xa40 [ 4469.535770][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4469.535770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4469.535770][ T10] netlink_rcv_skb+0x130/0x360 [ 4469.535770][ T10] netlink_unicast+0x449/0x710 [ 4469.535770][ T10] netlink_sendmsg+0x723/0xbe0 [ 4469.535770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4469.535770][ T10] ___sys_sendmsg+0xee/0x170 [ 4469.535770][ T10] __sys_sendmsg+0xcd/0x170 [ 4469.535770][ T10] do_syscall_64+0xc6/0x1e0 [ 4469.535770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4469.535770][ T10] [ 4469.538081][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4469.538081][ T10] netdev_get_by_index+0x5e/0x80 [ 4469.538081][ T10] fib6_nh_init+0x3d8/0x1580 [ 4469.538081][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4469.538081][ T10] ip6_route_add+0x1c/0x140 [ 4469.538081][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4469.538081][ T10] addrconf_add_dev+0xe2/0x170 [ 4469.538081][ T10] inet6_addr_add+0x12f/0xa40 [ 4469.538081][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4469.538081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4469.538081][ T10] netlink_rcv_skb+0x130/0x360 [ 4469.538081][ T10] netlink_unicast+0x449/0x710 [ 4469.538081][ T10] netlink_sendmsg+0x723/0xbe0 [ 4469.538081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4469.538081][ T10] ___sys_sendmsg+0xee/0x170 [ 4469.538081][ T10] __sys_sendmsg+0xcd/0x170 [ 4469.538081][ T10] do_syscall_64+0xc6/0x1e0 [ 4469.538081][ T10] [ 4469.540335][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4469.540335][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4469.540335][ T10] ipv6_find_idev+0x102/0x170 [ 4469.540335][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4469.540335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4469.540335][ T10] netlink_rcv_skb+0x130/0x360 [ 4469.540335][ T10] netlink_unicast+0x449/0x710 [ 4469.540335][ T10] netlink_sendmsg+0x723/0xbe0 [ 4469.540335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4469.540335][ T10] ___sys_sendmsg+0xee/0x170 [ 4469.540335][ T10] __sys_sendmsg+0xcd/0x170 [ 4469.540335][ T10] do_syscall_64+0xc6/0x1e0 [ 4469.540335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4469.540335][ T10] [ 4469.542084][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4469.542084][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4469.542084][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4469.542084][ T10] ipv6_find_idev+0x102/0x170 [ 4469.542084][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4469.542084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4469.542084][ T10] netlink_rcv_skb+0x130/0x360 [ 4469.542084][ T10] netlink_unicast+0x449/0x710 [ 4469.542084][ T10] netlink_sendmsg+0x723/0xbe0 [ 4469.542084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4469.542084][ T10] ___sys_sendmsg+0xee/0x170 [ 4469.542084][ T10] __sys_sendmsg+0xcd/0x170 [ 4469.542084][ T10] do_syscall_64+0xc6/0x1e0 [ 4469.542084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4469.542084][ T10] [ 4469.543982][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4469.544662][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4469.544662][ T10] netdev_get_by_index+0x5e/0x80 [ 4469.544662][ T10] fib6_nh_init+0x3d8/0x1580 [ 4469.544662][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4469.544662][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4469.544662][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4469.544662][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4469.544662][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4469.544662][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4469.544662][ T10] addrconf_dad_begin+0x310/0x670 [ 4469.544662][ T10] addrconf_dad_work+0x10b/0xab0 [ 4469.544662][ T10] process_one_work+0x84d/0x18a0 [ 4469.544662][ T10] worker_thread+0x587/0xd30 [ 4469.544662][ T10] kthread+0x28a/0x350 [ 4469.544662][ T10] ret_from_fork+0x31/0x70 [ 4469.544662][ T10] ret_from_fork_asm+0x1a/0x30 [ 4469.544662][ T10] [ 4469.546579][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4469.546579][ T10] netdev_get_by_index+0x5e/0x80 [ 4469.546579][ T10] fib6_nh_init+0x3d8/0x1580 [ 4469.546579][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4469.546579][ T10] ip6_route_add+0x1c/0x140 [ 4469.546579][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4469.546579][ T10] inet6_addr_add+0x4f8/0xa40 [ 4469.546579][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4469.546579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4469.546579][ T10] netlink_rcv_skb+0x130/0x360 [ 4469.546579][ T10] netlink_unicast+0x449/0x710 [ 4469.546579][ T10] netlink_sendmsg+0x723/0xbe0 [ 4469.546579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4469.546579][ T10] ___sys_sendmsg+0xee/0x170 [ 4469.546579][ T10] __sys_sendmsg+0xcd/0x170 [ 4469.546579][ T10] do_syscall_64+0xc6/0x1e0 [ 4469.546579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4469.546579][ T10] [ 4469.548740][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4469.548740][ T10] netdev_get_by_index+0x5e/0x80 [ 4469.548740][ T10] fib6_nh_init+0x3d8/0x1580 [ 4469.548740][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4469.548740][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4469.548740][ T10] ipv6_add_addr+0x411/0x2000 [ 4469.548740][ T10] inet6_addr_add+0x30e/0xa40 [ 4469.548740][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4469.548740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4469.548740][ T10] netlink_rcv_skb+0x130/0x360 [ 4469.548740][ T10] netlink_unicast+0x449/0x710 [ 4469.548740][ T10] netlink_sendmsg+0x723/0xbe0 [ 4469.548740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4469.548740][ T10] ___sys_sendmsg+0xee/0x170 [ 4469.548740][ T10] __sys_sendmsg+0xcd/0x170 [ 4469.548740][ T10] do_syscall_64+0xc6/0x1e0 [ 4469.548740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4469.548740][ T10] [ 4469.551068][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4469.551068][ T10] netdev_get_by_index+0x5e/0x80 [ 4469.551068][ T10] fib6_nh_init+0x3d8/0x1580 [ 4469.551068][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4469.551068][ T10] ip6_route_add+0x1c/0x140 [ 4469.551068][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4469.551068][ T10] addrconf_add_dev+0xe2/0x170 [ 4469.551068][ T10] inet6_addr_add+0x12f/0xa40 [ 4469.551068][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4469.551068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4469.551068][ T10] netlink_rcv_skb+0x130/0x360 [ 4469.551068][ T10] netlink_unicast+0x449/0x710 [ 4469.551068][ T10] netlink_sendmsg+0x723/0xbe0 [ 4469.551068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4469.551068][ T10] ___sys_sendmsg+0xee/0x170 [ 4469.551068][ T10] __sys_sendmsg+0xcd/0x170 [ 4469.551068][ T10] do_syscall_64+0xc6/0x1e0 [ 4469.551068][ T10] [ 4469.553244][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4469.553244][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4469.553244][ T10] ipv6_find_idev+0x102/0x170 [ 4469.553244][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4469.553244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4469.553244][ T10] netlink_rcv_skb+0x130/0x360 [ 4469.553244][ T10] netlink_unicast+0x449/0x710 [ 4469.553244][ T10] netlink_sendmsg+0x723/0xbe0 [ 4469.553244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4469.553244][ T10] ___sys_sendmsg+0xee/0x170 [ 4469.553244][ T10] __sys_sendmsg+0xcd/0x170 [ 4469.553244][ T10] do_syscall_64+0xc6/0x1e0 [ 4469.553244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4469.553244][ T10] [ 4469.554979][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4469.554979][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4469.554979][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4469.554979][ T10] ipv6_find_idev+0x102/0x170 [ 4469.554979][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4469.554979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4469.554979][ T10] netlink_rcv_skb+0x130/0x360 [ 4469.554979][ T10] netlink_unicast+0x449/0x710 [ 4469.554979][ T10] netlink_sendmsg+0x723/0xbe0 [ 4469.554979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4469.554979][ T10] ___sys_sendmsg+0xee/0x170 [ 4469.554979][ T10] __sys_sendmsg+0xcd/0x170 [ 4469.554979][ T10] do_syscall_64+0xc6/0x1e0 [ 4469.554979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4469.554979][ T10] [ 4475.001132][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4475.001631][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4475.001631][ T1167] dst_init+0x84/0x4a0 [ 4475.001631][ T1167] dst_alloc+0x97/0x150 [ 4475.001631][ T1167] ip6_dst_alloc+0x23/0x90 [ 4475.001631][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4475.001631][ T1167] ip6_pol_route+0x56f/0x840 [ 4475.001631][ T1167] fib6_rule_lookup+0x334/0x630 [ 4475.001631][ T1167] ip6_route_output_flags+0x259/0x480 [ 4475.001631][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4475.001631][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4475.001631][ T1167] netlink_rcv_skb+0x130/0x360 [ 4475.001631][ T1167] netlink_unicast+0x449/0x710 [ 4475.001631][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4475.001631][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4475.001631][ T1167] ___sys_sendmsg+0xee/0x170 [ 4475.001631][ T1167] __sys_sendmsg+0xcd/0x170 [ 4475.001631][ T1167] do_syscall_64+0xc6/0x1e0 [ 4475.001631][ T1167] [ 4475.003833][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4475.003833][ T1167] netdev_get_by_index+0x5e/0x80 [ 4475.003833][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4475.003833][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4475.003833][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4475.003833][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4475.003833][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4475.003833][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4475.003833][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4475.003833][ T1167] addrconf_dad_begin+0x310/0x670 [ 4475.003833][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4475.003833][ T1167] process_one_work+0x84d/0x18a0 [ 4475.003833][ T1167] worker_thread+0x587/0xd30 [ 4475.003833][ T1167] kthread+0x28a/0x350 [ 4475.003833][ T1167] ret_from_fork+0x31/0x70 [ 4475.003833][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4475.003833][ T1167] [ 4475.005991][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4475.005991][ T1167] netdev_get_by_index+0x5e/0x80 [ 4475.005991][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4475.005991][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4475.005991][ T1167] ip6_route_add+0x1c/0x140 [ 4475.005991][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4475.005991][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4475.005991][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4475.005991][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4475.005991][ T1167] netlink_rcv_skb+0x130/0x360 [ 4475.005991][ T1167] netlink_unicast+0x449/0x710 [ 4475.005991][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4475.005991][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4475.005991][ T1167] ___sys_sendmsg+0xee/0x170 [ 4475.005991][ T1167] __sys_sendmsg+0xcd/0x170 [ 4475.005991][ T1167] do_syscall_64+0xc6/0x1e0 [ 4475.005991][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4475.005991][ T1167] [ 4475.008241][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4475.008241][ T1167] netdev_get_by_index+0x5e/0x80 [ 4475.008241][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4475.008241][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4475.008241][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4475.008241][ T1167] ipv6_add_addr+0x411/0x2000 [ 4475.008241][ T1167] inet6_addr_add+0x30e/0xa40 [ 4475.008241][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4475.008241][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4475.008241][ T1167] netlink_rcv_skb+0x130/0x360 [ 4475.008241][ T1167] netlink_unicast+0x449/0x710 [ 4475.008241][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4475.008241][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4475.008241][ T1167] ___sys_sendmsg+0xee/0x170 [ 4475.008241][ T1167] __sys_sendmsg+0xcd/0x170 [ 4475.008241][ T1167] do_syscall_64+0xc6/0x1e0 [ 4475.008241][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4475.008241][ T1167] [ 4475.010486][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4475.010486][ T1167] netdev_get_by_index+0x5e/0x80 [ 4475.010486][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4475.010486][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4475.010486][ T1167] ip6_route_add+0x1c/0x140 [ 4475.010486][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4475.010486][ T1167] addrconf_add_dev+0xe2/0x170 [ 4475.010486][ T1167] inet6_addr_add+0x12f/0xa40 [ 4475.010486][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4475.010486][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4475.010486][ T1167] netlink_rcv_skb+0x130/0x360 [ 4475.010486][ T1167] netlink_unicast+0x449/0x710 [ 4475.010486][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4475.010486][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4475.010486][ T1167] ___sys_sendmsg+0xee/0x170 [ 4475.010486][ T1167] __sys_sendmsg+0xcd/0x170 [ 4475.010486][ T1167] do_syscall_64+0xc6/0x1e0 [ 4475.010486][ T1167] [ 4475.012682][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4475.012682][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4475.012682][ T1167] ipv6_find_idev+0x102/0x170 [ 4475.012682][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4475.012682][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4475.012682][ T1167] netlink_rcv_skb+0x130/0x360 [ 4475.012682][ T1167] netlink_unicast+0x449/0x710 [ 4475.012682][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4475.012682][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4475.012682][ T1167] ___sys_sendmsg+0xee/0x170 [ 4475.012682][ T1167] __sys_sendmsg+0xcd/0x170 [ 4475.012682][ T1167] do_syscall_64+0xc6/0x1e0 [ 4475.012682][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4475.012682][ T1167] [ 4475.014412][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4475.014412][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4475.014412][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4475.014412][ T1167] ipv6_find_idev+0x102/0x170 [ 4475.014412][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4475.014412][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4475.014412][ T1167] netlink_rcv_skb+0x130/0x360 [ 4475.014412][ T1167] netlink_unicast+0x449/0x710 [ 4475.014412][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4475.014412][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4475.014412][ T1167] ___sys_sendmsg+0xee/0x170 [ 4475.014412][ T1167] __sys_sendmsg+0xcd/0x170 [ 4475.014412][ T1167] do_syscall_64+0xc6/0x1e0 [ 4475.014412][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4475.014412][ T1167] [ 4479.793053][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4479.793481][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4479.793481][ T10] netdev_get_by_index+0x5e/0x80 [ 4479.793481][ T10] fib6_nh_init+0x3d8/0x1580 [ 4479.793481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4479.793481][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4479.793481][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4479.793481][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4479.793481][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4479.793481][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4479.793481][ T10] addrconf_dad_begin+0x310/0x670 [ 4479.793481][ T10] addrconf_dad_work+0x10b/0xab0 [ 4479.793481][ T10] process_one_work+0x84d/0x18a0 [ 4479.793481][ T10] worker_thread+0x587/0xd30 [ 4479.793481][ T10] kthread+0x28a/0x350 [ 4479.793481][ T10] ret_from_fork+0x31/0x70 [ 4479.793481][ T10] ret_from_fork_asm+0x1a/0x30 [ 4479.793481][ T10] [ 4479.795463][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4479.795463][ T10] netdev_get_by_index+0x5e/0x80 [ 4479.795463][ T10] fib6_nh_init+0x3d8/0x1580 [ 4479.795463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4479.795463][ T10] ip6_route_add+0x1c/0x140 [ 4479.795463][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4479.795463][ T10] inet6_addr_add+0x4f8/0xa40 [ 4479.795463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4479.795463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4479.795463][ T10] netlink_rcv_skb+0x130/0x360 [ 4479.795463][ T10] netlink_unicast+0x449/0x710 [ 4479.795463][ T10] netlink_sendmsg+0x723/0xbe0 [ 4479.795463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4479.795463][ T10] ___sys_sendmsg+0xee/0x170 [ 4479.795463][ T10] __sys_sendmsg+0xcd/0x170 [ 4479.795463][ T10] do_syscall_64+0xc6/0x1e0 [ 4479.795463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4479.795463][ T10] [ 4479.797504][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4479.797504][ T10] netdev_get_by_index+0x5e/0x80 [ 4479.797504][ T10] fib6_nh_init+0x3d8/0x1580 [ 4479.797504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4479.797504][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4479.797504][ T10] ipv6_add_addr+0x411/0x2000 [ 4479.797504][ T10] inet6_addr_add+0x30e/0xa40 [ 4479.797504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4479.797504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4479.797504][ T10] netlink_rcv_skb+0x130/0x360 [ 4479.797504][ T10] netlink_unicast+0x449/0x710 [ 4479.797504][ T10] netlink_sendmsg+0x723/0xbe0 [ 4479.797504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4479.797504][ T10] ___sys_sendmsg+0xee/0x170 [ 4479.797504][ T10] __sys_sendmsg+0xcd/0x170 [ 4479.797504][ T10] do_syscall_64+0xc6/0x1e0 [ 4479.797504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4479.797504][ T10] [ 4479.799543][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4479.799543][ T10] netdev_get_by_index+0x5e/0x80 [ 4479.799543][ T10] fib6_nh_init+0x3d8/0x1580 [ 4479.799543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4479.799543][ T10] ip6_route_add+0x1c/0x140 [ 4479.799543][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4479.799543][ T10] addrconf_add_dev+0xe2/0x170 [ 4479.799543][ T10] inet6_addr_add+0x12f/0xa40 [ 4479.799543][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4479.799543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4479.799543][ T10] netlink_rcv_skb+0x130/0x360 [ 4479.799543][ T10] netlink_unicast+0x449/0x710 [ 4479.799543][ T10] netlink_sendmsg+0x723/0xbe0 [ 4479.799543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4479.799543][ T10] ___sys_sendmsg+0xee/0x170 [ 4479.799543][ T10] __sys_sendmsg+0xcd/0x170 [ 4479.799543][ T10] do_syscall_64+0xc6/0x1e0 [ 4479.799543][ T10] [ 4479.801539][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4479.801539][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4479.801539][ T10] ipv6_find_idev+0x102/0x170 [ 4479.801539][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4479.801539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4479.801539][ T10] netlink_rcv_skb+0x130/0x360 [ 4479.801539][ T10] netlink_unicast+0x449/0x710 [ 4479.801539][ T10] netlink_sendmsg+0x723/0xbe0 [ 4479.801539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4479.801539][ T10] ___sys_sendmsg+0xee/0x170 [ 4479.801539][ T10] __sys_sendmsg+0xcd/0x170 [ 4479.801539][ T10] do_syscall_64+0xc6/0x1e0 [ 4479.801539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4479.801539][ T10] [ 4479.803105][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4479.803105][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4479.803105][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4479.803105][ T10] ipv6_find_idev+0x102/0x170 [ 4479.803105][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4479.803105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4479.803105][ T10] netlink_rcv_skb+0x130/0x360 [ 4479.803105][ T10] netlink_unicast+0x449/0x710 [ 4479.803105][ T10] netlink_sendmsg+0x723/0xbe0 [ 4479.803105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4479.803105][ T10] ___sys_sendmsg+0xee/0x170 [ 4479.803105][ T10] __sys_sendmsg+0xcd/0x170 [ 4479.803105][ T10] do_syscall_64+0xc6/0x1e0 [ 4479.803105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4479.803105][ T10] [ 4479.804833][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4479.805103][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4479.805103][ T10] netdev_get_by_index+0x5e/0x80 [ 4479.805103][ T10] fib6_nh_init+0x3d8/0x1580 [ 4479.805103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4479.805103][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4479.805103][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4479.805103][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4479.805103][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4479.805103][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4479.805103][ T10] addrconf_dad_begin+0x310/0x670 [ 4479.805103][ T10] addrconf_dad_work+0x10b/0xab0 [ 4479.805103][ T10] process_one_work+0x84d/0x18a0 [ 4479.805103][ T10] worker_thread+0x587/0xd30 [ 4479.805103][ T10] kthread+0x28a/0x350 [ 4479.805103][ T10] ret_from_fork+0x31/0x70 [ 4479.805103][ T10] ret_from_fork_asm+0x1a/0x30 [ 4479.805103][ T10] [ 4479.807043][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4479.807043][ T10] netdev_get_by_index+0x5e/0x80 [ 4479.807043][ T10] fib6_nh_init+0x3d8/0x1580 [ 4479.807043][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4479.807043][ T10] ip6_route_add+0x1c/0x140 [ 4479.807043][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4479.807043][ T10] inet6_addr_add+0x4f8/0xa40 [ 4479.807043][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4479.807043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4479.807043][ T10] netlink_rcv_skb+0x130/0x360 [ 4479.807043][ T10] netlink_unicast+0x449/0x710 [ 4479.807043][ T10] netlink_sendmsg+0x723/0xbe0 [ 4479.807043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4479.807043][ T10] ___sys_sendmsg+0xee/0x170 [ 4479.807043][ T10] __sys_sendmsg+0xcd/0x170 [ 4479.807043][ T10] do_syscall_64+0xc6/0x1e0 [ 4479.807043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4479.807043][ T10] [ 4479.809123][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4479.809123][ T10] netdev_get_by_index+0x5e/0x80 [ 4479.809123][ T10] fib6_nh_init+0x3d8/0x1580 [ 4479.809123][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4479.809123][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4479.809123][ T10] ipv6_add_addr+0x411/0x2000 [ 4479.809123][ T10] inet6_addr_add+0x30e/0xa40 [ 4479.809123][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4479.809123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4479.809123][ T10] netlink_rcv_skb+0x130/0x360 [ 4479.809123][ T10] netlink_unicast+0x449/0x710 [ 4479.809123][ T10] netlink_sendmsg+0x723/0xbe0 [ 4479.809123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4479.809123][ T10] ___sys_sendmsg+0xee/0x170 [ 4479.809123][ T10] __sys_sendmsg+0xcd/0x170 [ 4479.809123][ T10] do_syscall_64+0xc6/0x1e0 [ 4479.809123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4479.809123][ T10] [ 4479.811150][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4479.811150][ T10] netdev_get_by_index+0x5e/0x80 [ 4479.811150][ T10] fib6_nh_init+0x3d8/0x1580 [ 4479.811150][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4479.811150][ T10] ip6_route_add+0x1c/0x140 [ 4479.811150][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4479.811150][ T10] addrconf_add_dev+0xe2/0x170 [ 4479.811150][ T10] inet6_addr_add+0x12f/0xa40 [ 4479.811150][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4479.811150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4479.811150][ T10] netlink_rcv_skb+0x130/0x360 [ 4479.811150][ T10] netlink_unicast+0x449/0x710 [ 4479.811150][ T10] netlink_sendmsg+0x723/0xbe0 [ 4479.811150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4479.811150][ T10] ___sys_sendmsg+0xee/0x170 [ 4479.811150][ T10] __sys_sendmsg+0xcd/0x170 [ 4479.811150][ T10] do_syscall_64+0xc6/0x1e0 [ 4479.811150][ T10] [ 4479.813161][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4479.813161][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4479.813161][ T10] ipv6_find_idev+0x102/0x170 [ 4479.813161][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4479.813161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4479.813161][ T10] netlink_rcv_skb+0x130/0x360 [ 4479.813161][ T10] netlink_unicast+0x449/0x710 [ 4479.813161][ T10] netlink_sendmsg+0x723/0xbe0 [ 4479.813161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4479.813161][ T10] ___sys_sendmsg+0xee/0x170 [ 4479.813161][ T10] __sys_sendmsg+0xcd/0x170 [ 4479.813161][ T10] do_syscall_64+0xc6/0x1e0 [ 4479.813161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4479.813161][ T10] [ 4479.814728][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4479.814728][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4479.814728][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4479.814728][ T10] ipv6_find_idev+0x102/0x170 [ 4479.814728][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4479.814728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4479.814728][ T10] netlink_rcv_skb+0x130/0x360 [ 4479.814728][ T10] netlink_unicast+0x449/0x710 [ 4479.814728][ T10] netlink_sendmsg+0x723/0xbe0 [ 4479.814728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4479.814728][ T10] ___sys_sendmsg+0xee/0x170 [ 4479.814728][ T10] __sys_sendmsg+0xcd/0x170 [ 4479.814728][ T10] do_syscall_64+0xc6/0x1e0 [ 4479.814728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4479.814728][ T10] [ 4479.816451][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4479.816696][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4479.816696][ T10] netdev_get_by_index+0x5e/0x80 [ 4479.816696][ T10] fib6_nh_init+0x3d8/0x1580 [ 4479.816696][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4479.816696][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4479.816696][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4479.816696][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4479.816696][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4479.816696][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4479.816696][ T10] addrconf_dad_begin+0x310/0x670 [ 4479.816696][ T10] addrconf_dad_work+0x10b/0xab0 [ 4479.816696][ T10] process_one_work+0x84d/0x18a0 [ 4479.816696][ T10] worker_thread+0x587/0xd30 [ 4479.816696][ T10] kthread+0x28a/0x350 [ 4479.816696][ T10] ret_from_fork+0x31/0x70 [ 4479.816696][ T10] ret_from_fork_asm+0x1a/0x30 [ 4479.816696][ T10] [ 4479.818633][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4479.818633][ T10] netdev_get_by_index+0x5e/0x80 [ 4479.818633][ T10] fib6_nh_init+0x3d8/0x1580 [ 4479.818633][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4479.818633][ T10] ip6_route_add+0x1c/0x140 [ 4479.818633][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4479.818633][ T10] inet6_addr_add+0x4f8/0xa40 [ 4479.818633][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4479.818633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4479.818633][ T10] netlink_rcv_skb+0x130/0x360 [ 4479.818633][ T10] netlink_unicast+0x449/0x710 [ 4479.818633][ T10] netlink_sendmsg+0x723/0xbe0 [ 4479.818633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4479.818633][ T10] ___sys_sendmsg+0xee/0x170 [ 4479.818633][ T10] __sys_sendmsg+0xcd/0x170 [ 4479.818633][ T10] do_syscall_64+0xc6/0x1e0 [ 4479.818633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4479.818633][ T10] [ 4479.820851][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4479.820851][ T10] netdev_get_by_index+0x5e/0x80 [ 4479.820851][ T10] fib6_nh_init+0x3d8/0x1580 [ 4479.820851][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4479.820851][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4479.820851][ T10] ipv6_add_addr+0x411/0x2000 [ 4479.820851][ T10] inet6_addr_add+0x30e/0xa40 [ 4479.820851][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4479.820851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4479.820851][ T10] netlink_rcv_skb+0x130/0x360 [ 4479.820851][ T10] netlink_unicast+0x449/0x710 [ 4479.820851][ T10] netlink_sendmsg+0x723/0xbe0 [ 4479.820851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4479.820851][ T10] ___sys_sendmsg+0xee/0x170 [ 4479.820851][ T10] __sys_sendmsg+0xcd/0x170 [ 4479.820851][ T10] do_syscall_64+0xc6/0x1e0 [ 4479.820851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4479.820851][ T10] [ 4479.823179][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4479.823179][ T10] netdev_get_by_index+0x5e/0x80 [ 4479.823179][ T10] fib6_nh_init+0x3d8/0x1580 [ 4479.823179][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4479.823179][ T10] ip6_route_add+0x1c/0x140 [ 4479.823179][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4479.823179][ T10] addrconf_add_dev+0xe2/0x170 [ 4479.823179][ T10] inet6_addr_add+0x12f/0xa40 [ 4479.823179][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4479.823179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4479.823179][ T10] netlink_rcv_skb+0x130/0x360 [ 4479.823179][ T10] netlink_unicast+0x449/0x710 [ 4479.823179][ T10] netlink_sendmsg+0x723/0xbe0 [ 4479.823179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4479.823179][ T10] ___sys_sendmsg+0xee/0x170 [ 4479.823179][ T10] __sys_sendmsg+0xcd/0x170 [ 4479.823179][ T10] do_syscall_64+0xc6/0x1e0 [ 4479.823179][ T10] [ 4479.825402][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4479.825402][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4479.825402][ T10] ipv6_find_idev+0x102/0x170 [ 4479.825402][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4479.825402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4479.825402][ T10] netlink_rcv_skb+0x130/0x360 [ 4479.825402][ T10] netlink_unicast+0x449/0x710 [ 4479.825402][ T10] netlink_sendmsg+0x723/0xbe0 [ 4479.825402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4479.825402][ T10] ___sys_sendmsg+0xee/0x170 [ 4479.825402][ T10] __sys_sendmsg+0xcd/0x170 [ 4479.825402][ T10] do_syscall_64+0xc6/0x1e0 [ 4479.825402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4479.825402][ T10] [ 4479.827144][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4479.827144][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4479.827144][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4479.827144][ T10] ipv6_find_idev+0x102/0x170 [ 4479.827144][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4479.827144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4479.827144][ T10] netlink_rcv_skb+0x130/0x360 [ 4479.827144][ T10] netlink_unicast+0x449/0x710 [ 4479.827144][ T10] netlink_sendmsg+0x723/0xbe0 [ 4479.827144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4479.827144][ T10] ___sys_sendmsg+0xee/0x170 [ 4479.827144][ T10] __sys_sendmsg+0xcd/0x170 [ 4479.827144][ T10] do_syscall_64+0xc6/0x1e0 [ 4479.827144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4479.827144][ T10] [ 4479.829030][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4479.829270][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4479.829270][ T10] netdev_get_by_index+0x5e/0x80 [ 4479.829270][ T10] fib6_nh_init+0x3d8/0x1580 [ 4479.829270][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4479.829270][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4479.829270][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4479.829270][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4479.829270][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4479.829270][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4479.829270][ T10] addrconf_dad_begin+0x310/0x670 [ 4479.829270][ T10] addrconf_dad_work+0x10b/0xab0 [ 4479.829270][ T10] process_one_work+0x84d/0x18a0 [ 4479.829270][ T10] worker_thread+0x587/0xd30 [ 4479.829270][ T10] kthread+0x28a/0x350 [ 4479.829270][ T10] ret_from_fork+0x31/0x70 [ 4479.829270][ T10] ret_from_fork_asm+0x1a/0x30 [ 4479.829270][ T10] [ 4479.831445][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4479.831445][ T10] netdev_get_by_index+0x5e/0x80 [ 4479.831445][ T10] fib6_nh_init+0x3d8/0x1580 [ 4479.831445][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4479.831445][ T10] ip6_route_add+0x1c/0x140 [ 4479.831445][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4479.831445][ T10] inet6_addr_add+0x4f8/0xa40 [ 4479.831445][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4479.831445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4479.831445][ T10] netlink_rcv_skb+0x130/0x360 [ 4479.831445][ T10] netlink_unicast+0x449/0x710 [ 4479.831445][ T10] netlink_sendmsg+0x723/0xbe0 [ 4479.831445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4479.831445][ T10] ___sys_sendmsg+0xee/0x170 [ 4479.831445][ T10] __sys_sendmsg+0xcd/0x170 [ 4479.831445][ T10] do_syscall_64+0xc6/0x1e0 [ 4479.831445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4479.831445][ T10] [ 4479.833787][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4479.833787][ T10] netdev_get_by_index+0x5e/0x80 [ 4479.833787][ T10] fib6_nh_init+0x3d8/0x1580 [ 4479.833787][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4479.833787][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4479.833787][ T10] ipv6_add_addr+0x411/0x2000 [ 4479.833787][ T10] inet6_addr_add+0x30e/0xa40 [ 4479.833787][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4479.833787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4479.833787][ T10] netlink_rcv_skb+0x130/0x360 [ 4479.833787][ T10] netlink_unicast+0x449/0x710 [ 4479.833787][ T10] netlink_sendmsg+0x723/0xbe0 [ 4479.833787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4479.833787][ T10] ___sys_sendmsg+0xee/0x170 [ 4479.833787][ T10] __sys_sendmsg+0xcd/0x170 [ 4479.833787][ T10] do_syscall_64+0xc6/0x1e0 [ 4479.833787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4479.833787][ T10] [ 4479.836006][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4479.836006][ T10] netdev_get_by_index+0x5e/0x80 [ 4479.836006][ T10] fib6_nh_init+0x3d8/0x1580 [ 4479.836006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4479.836006][ T10] ip6_route_add+0x1c/0x140 [ 4479.836006][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4479.836006][ T10] addrconf_add_dev+0xe2/0x170 [ 4479.836006][ T10] inet6_addr_add+0x12f/0xa40 [ 4479.836006][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4479.836006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4479.836006][ T10] netlink_rcv_skb+0x130/0x360 [ 4479.836006][ T10] netlink_unicast+0x449/0x710 [ 4479.836006][ T10] netlink_sendmsg+0x723/0xbe0 [ 4479.836006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4479.836006][ T10] ___sys_sendmsg+0xee/0x170 [ 4479.836006][ T10] __sys_sendmsg+0xcd/0x170 [ 4479.836006][ T10] do_syscall_64+0xc6/0x1e0 [ 4479.836006][ T10] [ 4479.838252][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4479.838252][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4479.838252][ T10] ipv6_find_idev+0x102/0x170 [ 4479.838252][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4479.838252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4479.838252][ T10] netlink_rcv_skb+0x130/0x360 [ 4479.838252][ T10] netlink_unicast+0x449/0x710 [ 4479.838252][ T10] netlink_sendmsg+0x723/0xbe0 [ 4479.838252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4479.838252][ T10] ___sys_sendmsg+0xee/0x170 [ 4479.838252][ T10] __sys_sendmsg+0xcd/0x170 [ 4479.838252][ T10] do_syscall_64+0xc6/0x1e0 [ 4479.838252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4479.838252][ T10] [ 4479.840007][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4479.840007][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4479.840007][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4479.840007][ T10] ipv6_find_idev+0x102/0x170 [ 4479.840007][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4479.840007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4479.840007][ T10] netlink_rcv_skb+0x130/0x360 [ 4479.840007][ T10] netlink_unicast+0x449/0x710 [ 4479.840007][ T10] netlink_sendmsg+0x723/0xbe0 [ 4479.840007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4479.840007][ T10] ___sys_sendmsg+0xee/0x170 [ 4479.840007][ T10] __sys_sendmsg+0xcd/0x170 [ 4479.840007][ T10] do_syscall_64+0xc6/0x1e0 [ 4479.840007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4479.840007][ T10] [ 4485.257046][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4485.257494][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4485.257494][ T1167] dst_init+0x84/0x4a0 [ 4485.257494][ T1167] dst_alloc+0x97/0x150 [ 4485.257494][ T1167] ip6_dst_alloc+0x23/0x90 [ 4485.257494][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4485.257494][ T1167] ip6_pol_route+0x56f/0x840 [ 4485.257494][ T1167] fib6_rule_lookup+0x334/0x630 [ 4485.257494][ T1167] ip6_route_output_flags+0x259/0x480 [ 4485.257494][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4485.257494][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4485.257494][ T1167] netlink_rcv_skb+0x130/0x360 [ 4485.257494][ T1167] netlink_unicast+0x449/0x710 [ 4485.257494][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4485.257494][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4485.257494][ T1167] ___sys_sendmsg+0xee/0x170 [ 4485.257494][ T1167] __sys_sendmsg+0xcd/0x170 [ 4485.257494][ T1167] do_syscall_64+0xc6/0x1e0 [ 4485.257494][ T1167] [ 4485.259782][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4485.259782][ T1167] netdev_get_by_index+0x5e/0x80 [ 4485.259782][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4485.259782][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4485.259782][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4485.259782][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4485.259782][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4485.259782][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4485.259782][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4485.259782][ T1167] addrconf_dad_begin+0x310/0x670 [ 4485.259782][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4485.259782][ T1167] process_one_work+0x84d/0x18a0 [ 4485.259782][ T1167] worker_thread+0x587/0xd30 [ 4485.259782][ T1167] kthread+0x28a/0x350 [ 4485.259782][ T1167] ret_from_fork+0x31/0x70 [ 4485.259782][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4485.259782][ T1167] [ 4485.261955][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4485.261955][ T1167] netdev_get_by_index+0x5e/0x80 [ 4485.261955][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4485.261955][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4485.261955][ T1167] ip6_route_add+0x1c/0x140 [ 4485.261955][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4485.261955][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4485.261955][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4485.261955][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4485.261955][ T1167] netlink_rcv_skb+0x130/0x360 [ 4485.261955][ T1167] netlink_unicast+0x449/0x710 [ 4485.261955][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4485.261955][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4485.261955][ T1167] ___sys_sendmsg+0xee/0x170 [ 4485.261955][ T1167] __sys_sendmsg+0xcd/0x170 [ 4485.261955][ T1167] do_syscall_64+0xc6/0x1e0 [ 4485.261955][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4485.261955][ T1167] [ 4485.264227][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4485.264227][ T1167] netdev_get_by_index+0x5e/0x80 [ 4485.264227][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4485.264227][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4485.264227][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4485.264227][ T1167] ipv6_add_addr+0x411/0x2000 [ 4485.264227][ T1167] inet6_addr_add+0x30e/0xa40 [ 4485.264227][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4485.264227][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4485.264227][ T1167] netlink_rcv_skb+0x130/0x360 [ 4485.264227][ T1167] netlink_unicast+0x449/0x710 [ 4485.264227][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4485.264227][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4485.264227][ T1167] ___sys_sendmsg+0xee/0x170 [ 4485.264227][ T1167] __sys_sendmsg+0xcd/0x170 [ 4485.264227][ T1167] do_syscall_64+0xc6/0x1e0 [ 4485.264227][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4485.264227][ T1167] [ 4485.266500][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4485.266500][ T1167] netdev_get_by_index+0x5e/0x80 [ 4485.266500][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4485.266500][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4485.266500][ T1167] ip6_route_add+0x1c/0x140 [ 4485.266500][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4485.266500][ T1167] addrconf_add_dev+0xe2/0x170 [ 4485.266500][ T1167] inet6_addr_add+0x12f/0xa40 [ 4485.266500][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4485.266500][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4485.266500][ T1167] netlink_rcv_skb+0x130/0x360 [ 4485.266500][ T1167] netlink_unicast+0x449/0x710 [ 4485.266500][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4485.266500][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4485.266500][ T1167] ___sys_sendmsg+0xee/0x170 [ 4485.266500][ T1167] __sys_sendmsg+0xcd/0x170 [ 4485.266500][ T1167] do_syscall_64+0xc6/0x1e0 [ 4485.266500][ T1167] [ 4485.268727][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4485.268727][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4485.268727][ T1167] ipv6_find_idev+0x102/0x170 [ 4485.268727][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4485.268727][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4485.268727][ T1167] netlink_rcv_skb+0x130/0x360 [ 4485.268727][ T1167] netlink_unicast+0x449/0x710 [ 4485.268727][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4485.268727][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4485.268727][ T1167] ___sys_sendmsg+0xee/0x170 [ 4485.268727][ T1167] __sys_sendmsg+0xcd/0x170 [ 4485.268727][ T1167] do_syscall_64+0xc6/0x1e0 [ 4485.268727][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4485.268727][ T1167] [ 4485.270463][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4485.270463][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4485.270463][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4485.270463][ T1167] ipv6_find_idev+0x102/0x170 [ 4485.270463][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4485.270463][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4485.270463][ T1167] netlink_rcv_skb+0x130/0x360 [ 4485.270463][ T1167] netlink_unicast+0x449/0x710 [ 4485.270463][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4485.270463][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4485.270463][ T1167] ___sys_sendmsg+0xee/0x170 [ 4485.270463][ T1167] __sys_sendmsg+0xcd/0x170 [ 4485.270463][ T1167] do_syscall_64+0xc6/0x1e0 [ 4485.270463][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4485.270463][ T1167] [ 4490.081112][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4490.081568][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4490.081568][ T10] netdev_get_by_index+0x5e/0x80 [ 4490.081568][ T10] fib6_nh_init+0x3d8/0x1580 [ 4490.081568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4490.081568][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4490.081568][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4490.081568][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4490.081568][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4490.081568][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4490.081568][ T10] addrconf_dad_begin+0x310/0x670 [ 4490.081568][ T10] addrconf_dad_work+0x10b/0xab0 [ 4490.081568][ T10] process_one_work+0x84d/0x18a0 [ 4490.081568][ T10] worker_thread+0x587/0xd30 [ 4490.081568][ T10] kthread+0x28a/0x350 [ 4490.081568][ T10] ret_from_fork+0x31/0x70 [ 4490.081568][ T10] ret_from_fork_asm+0x1a/0x30 [ 4490.081568][ T10] [ 4490.083572][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4490.083572][ T10] netdev_get_by_index+0x5e/0x80 [ 4490.083572][ T10] fib6_nh_init+0x3d8/0x1580 [ 4490.083572][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4490.083572][ T10] ip6_route_add+0x1c/0x140 [ 4490.083572][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4490.083572][ T10] inet6_addr_add+0x4f8/0xa40 [ 4490.083572][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4490.083572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4490.083572][ T10] netlink_rcv_skb+0x130/0x360 [ 4490.083572][ T10] netlink_unicast+0x449/0x710 [ 4490.083572][ T10] netlink_sendmsg+0x723/0xbe0 [ 4490.083572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4490.083572][ T10] ___sys_sendmsg+0xee/0x170 [ 4490.083572][ T10] __sys_sendmsg+0xcd/0x170 [ 4490.083572][ T10] do_syscall_64+0xc6/0x1e0 [ 4490.083572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4490.083572][ T10] [ 4490.085630][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4490.085630][ T10] netdev_get_by_index+0x5e/0x80 [ 4490.085630][ T10] fib6_nh_init+0x3d8/0x1580 [ 4490.085630][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4490.085630][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4490.085630][ T10] ipv6_add_addr+0x411/0x2000 [ 4490.085630][ T10] inet6_addr_add+0x30e/0xa40 [ 4490.085630][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4490.085630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4490.085630][ T10] netlink_rcv_skb+0x130/0x360 [ 4490.085630][ T10] netlink_unicast+0x449/0x710 [ 4490.085630][ T10] netlink_sendmsg+0x723/0xbe0 [ 4490.085630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4490.085630][ T10] ___sys_sendmsg+0xee/0x170 [ 4490.085630][ T10] __sys_sendmsg+0xcd/0x170 [ 4490.085630][ T10] do_syscall_64+0xc6/0x1e0 [ 4490.085630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4490.085630][ T10] [ 4490.087666][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4490.087666][ T10] netdev_get_by_index+0x5e/0x80 [ 4490.087666][ T10] fib6_nh_init+0x3d8/0x1580 [ 4490.087666][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4490.087666][ T10] ip6_route_add+0x1c/0x140 [ 4490.087666][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4490.087666][ T10] addrconf_add_dev+0xe2/0x170 [ 4490.087666][ T10] inet6_addr_add+0x12f/0xa40 [ 4490.087666][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4490.087666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4490.087666][ T10] netlink_rcv_skb+0x130/0x360 [ 4490.087666][ T10] netlink_unicast+0x449/0x710 [ 4490.087666][ T10] netlink_sendmsg+0x723/0xbe0 [ 4490.087666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4490.087666][ T10] ___sys_sendmsg+0xee/0x170 [ 4490.087666][ T10] __sys_sendmsg+0xcd/0x170 [ 4490.087666][ T10] do_syscall_64+0xc6/0x1e0 [ 4490.087666][ T10] [ 4490.089735][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4490.089735][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4490.089735][ T10] ipv6_find_idev+0x102/0x170 [ 4490.089735][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4490.089735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4490.089735][ T10] netlink_rcv_skb+0x130/0x360 [ 4490.089735][ T10] netlink_unicast+0x449/0x710 [ 4490.089735][ T10] netlink_sendmsg+0x723/0xbe0 [ 4490.089735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4490.089735][ T10] ___sys_sendmsg+0xee/0x170 [ 4490.089735][ T10] __sys_sendmsg+0xcd/0x170 [ 4490.089735][ T10] do_syscall_64+0xc6/0x1e0 [ 4490.089735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4490.089735][ T10] [ 4490.091287][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4490.091287][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4490.091287][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4490.091287][ T10] ipv6_find_idev+0x102/0x170 [ 4490.091287][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4490.091287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4490.091287][ T10] netlink_rcv_skb+0x130/0x360 [ 4490.091287][ T10] netlink_unicast+0x449/0x710 [ 4490.091287][ T10] netlink_sendmsg+0x723/0xbe0 [ 4490.091287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4490.091287][ T10] ___sys_sendmsg+0xee/0x170 [ 4490.091287][ T10] __sys_sendmsg+0xcd/0x170 [ 4490.091287][ T10] do_syscall_64+0xc6/0x1e0 [ 4490.091287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4490.091287][ T10] [ 4490.093014][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4490.093268][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4490.093268][ T10] netdev_get_by_index+0x5e/0x80 [ 4490.093268][ T10] fib6_nh_init+0x3d8/0x1580 [ 4490.093268][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4490.093268][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4490.093268][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4490.093268][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4490.093268][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4490.093268][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4490.093268][ T10] addrconf_dad_begin+0x310/0x670 [ 4490.093268][ T10] addrconf_dad_work+0x10b/0xab0 [ 4490.093268][ T10] process_one_work+0x84d/0x18a0 [ 4490.093268][ T10] worker_thread+0x587/0xd30 [ 4490.093268][ T10] kthread+0x28a/0x350 [ 4490.093268][ T10] ret_from_fork+0x31/0x70 [ 4490.093268][ T10] ret_from_fork_asm+0x1a/0x30 [ 4490.093268][ T10] [ 4490.095188][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4490.095188][ T10] netdev_get_by_index+0x5e/0x80 [ 4490.095188][ T10] fib6_nh_init+0x3d8/0x1580 [ 4490.095188][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4490.095188][ T10] ip6_route_add+0x1c/0x140 [ 4490.095188][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4490.095188][ T10] inet6_addr_add+0x4f8/0xa40 [ 4490.095188][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4490.095188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4490.095188][ T10] netlink_rcv_skb+0x130/0x360 [ 4490.095188][ T10] netlink_unicast+0x449/0x710 [ 4490.095188][ T10] netlink_sendmsg+0x723/0xbe0 [ 4490.095188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4490.095188][ T10] ___sys_sendmsg+0xee/0x170 [ 4490.095188][ T10] __sys_sendmsg+0xcd/0x170 [ 4490.095188][ T10] do_syscall_64+0xc6/0x1e0 [ 4490.095188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4490.095188][ T10] [ 4490.097206][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4490.097206][ T10] netdev_get_by_index+0x5e/0x80 [ 4490.097206][ T10] fib6_nh_init+0x3d8/0x1580 [ 4490.097206][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4490.097206][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4490.097206][ T10] ipv6_add_addr+0x411/0x2000 [ 4490.097206][ T10] inet6_addr_add+0x30e/0xa40 [ 4490.097206][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4490.097206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4490.097206][ T10] netlink_rcv_skb+0x130/0x360 [ 4490.097206][ T10] netlink_unicast+0x449/0x710 [ 4490.097206][ T10] netlink_sendmsg+0x723/0xbe0 [ 4490.097206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4490.097206][ T10] ___sys_sendmsg+0xee/0x170 [ 4490.097206][ T10] __sys_sendmsg+0xcd/0x170 [ 4490.097206][ T10] do_syscall_64+0xc6/0x1e0 [ 4490.097206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4490.097206][ T10] [ 4490.099240][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4490.099240][ T10] netdev_get_by_index+0x5e/0x80 [ 4490.099240][ T10] fib6_nh_init+0x3d8/0x1580 [ 4490.099240][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4490.099240][ T10] ip6_route_add+0x1c/0x140 [ 4490.099240][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4490.099240][ T10] addrconf_add_dev+0xe2/0x170 [ 4490.099240][ T10] inet6_addr_add+0x12f/0xa40 [ 4490.099240][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4490.099240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4490.099240][ T10] netlink_rcv_skb+0x130/0x360 [ 4490.099240][ T10] netlink_unicast+0x449/0x710 [ 4490.099240][ T10] netlink_sendmsg+0x723/0xbe0 [ 4490.099240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4490.099240][ T10] ___sys_sendmsg+0xee/0x170 [ 4490.099240][ T10] __sys_sendmsg+0xcd/0x170 [ 4490.099240][ T10] do_syscall_64+0xc6/0x1e0 [ 4490.099240][ T10] [ 4490.101241][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4490.101241][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4490.101241][ T10] ipv6_find_idev+0x102/0x170 [ 4490.101241][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4490.101241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4490.101241][ T10] netlink_rcv_skb+0x130/0x360 [ 4490.101241][ T10] netlink_unicast+0x449/0x710 [ 4490.101241][ T10] netlink_sendmsg+0x723/0xbe0 [ 4490.101241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4490.101241][ T10] ___sys_sendmsg+0xee/0x170 [ 4490.101241][ T10] __sys_sendmsg+0xcd/0x170 [ 4490.101241][ T10] do_syscall_64+0xc6/0x1e0 [ 4490.101241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4490.101241][ T10] [ 4490.102949][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4490.102949][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4490.102949][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4490.102949][ T10] ipv6_find_idev+0x102/0x170 [ 4490.102949][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4490.102949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4490.102949][ T10] netlink_rcv_skb+0x130/0x360 [ 4490.102949][ T10] netlink_unicast+0x449/0x710 [ 4490.102949][ T10] netlink_sendmsg+0x723/0xbe0 [ 4490.102949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4490.102949][ T10] ___sys_sendmsg+0xee/0x170 [ 4490.102949][ T10] __sys_sendmsg+0xcd/0x170 [ 4490.102949][ T10] do_syscall_64+0xc6/0x1e0 [ 4490.102949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4490.102949][ T10] [ 4490.104666][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4490.104909][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4490.104909][ T10] netdev_get_by_index+0x5e/0x80 [ 4490.104909][ T10] fib6_nh_init+0x3d8/0x1580 [ 4490.104909][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4490.104909][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4490.104909][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4490.104909][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4490.104909][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4490.104909][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4490.104909][ T10] addrconf_dad_begin+0x310/0x670 [ 4490.104909][ T10] addrconf_dad_work+0x10b/0xab0 [ 4490.104909][ T10] process_one_work+0x84d/0x18a0 [ 4490.104909][ T10] worker_thread+0x587/0xd30 [ 4490.104909][ T10] kthread+0x28a/0x350 [ 4490.104909][ T10] ret_from_fork+0x31/0x70 [ 4490.104909][ T10] ret_from_fork_asm+0x1a/0x30 [ 4490.104909][ T10] [ 4490.106866][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4490.106866][ T10] netdev_get_by_index+0x5e/0x80 [ 4490.106866][ T10] fib6_nh_init+0x3d8/0x1580 [ 4490.106866][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4490.106866][ T10] ip6_route_add+0x1c/0x140 [ 4490.106866][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4490.106866][ T10] inet6_addr_add+0x4f8/0xa40 [ 4490.106866][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4490.106866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4490.106866][ T10] netlink_rcv_skb+0x130/0x360 [ 4490.106866][ T10] netlink_unicast+0x449/0x710 [ 4490.106866][ T10] netlink_sendmsg+0x723/0xbe0 [ 4490.106866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4490.106866][ T10] ___sys_sendmsg+0xee/0x170 [ 4490.106866][ T10] __sys_sendmsg+0xcd/0x170 [ 4490.106866][ T10] do_syscall_64+0xc6/0x1e0 [ 4490.106866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4490.106866][ T10] [ 4490.109071][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4490.109071][ T10] netdev_get_by_index+0x5e/0x80 [ 4490.109071][ T10] fib6_nh_init+0x3d8/0x1580 [ 4490.109071][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4490.109071][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4490.109071][ T10] ipv6_add_addr+0x411/0x2000 [ 4490.109071][ T10] inet6_addr_add+0x30e/0xa40 [ 4490.109071][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4490.109071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4490.109071][ T10] netlink_rcv_skb+0x130/0x360 [ 4490.109071][ T10] netlink_unicast+0x449/0x710 [ 4490.109071][ T10] netlink_sendmsg+0x723/0xbe0 [ 4490.109071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4490.109071][ T10] ___sys_sendmsg+0xee/0x170 [ 4490.109071][ T10] __sys_sendmsg+0xcd/0x170 [ 4490.109071][ T10] do_syscall_64+0xc6/0x1e0 [ 4490.109071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4490.109071][ T10] [ 4490.111369][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4490.111369][ T10] netdev_get_by_index+0x5e/0x80 [ 4490.111369][ T10] fib6_nh_init+0x3d8/0x1580 [ 4490.111369][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4490.111369][ T10] ip6_route_add+0x1c/0x140 [ 4490.111369][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4490.111369][ T10] addrconf_add_dev+0xe2/0x170 [ 4490.111369][ T10] inet6_addr_add+0x12f/0xa40 [ 4490.111369][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4490.111369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4490.111369][ T10] netlink_rcv_skb+0x130/0x360 [ 4490.111369][ T10] netlink_unicast+0x449/0x710 [ 4490.111369][ T10] netlink_sendmsg+0x723/0xbe0 [ 4490.111369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4490.111369][ T10] ___sys_sendmsg+0xee/0x170 [ 4490.111369][ T10] __sys_sendmsg+0xcd/0x170 [ 4490.111369][ T10] do_syscall_64+0xc6/0x1e0 [ 4490.111369][ T10] [ 4490.113607][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4490.113607][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4490.113607][ T10] ipv6_find_idev+0x102/0x170 [ 4490.113607][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4490.113607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4490.113607][ T10] netlink_rcv_skb+0x130/0x360 [ 4490.113607][ T10] netlink_unicast+0x449/0x710 [ 4490.113607][ T10] netlink_sendmsg+0x723/0xbe0 [ 4490.113607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4490.113607][ T10] ___sys_sendmsg+0xee/0x170 [ 4490.113607][ T10] __sys_sendmsg+0xcd/0x170 [ 4490.113607][ T10] do_syscall_64+0xc6/0x1e0 [ 4490.113607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4490.113607][ T10] [ 4490.115361][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4490.115361][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4490.115361][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4490.115361][ T10] ipv6_find_idev+0x102/0x170 [ 4490.115361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4490.115361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4490.115361][ T10] netlink_rcv_skb+0x130/0x360 [ 4490.115361][ T10] netlink_unicast+0x449/0x710 [ 4490.115361][ T10] netlink_sendmsg+0x723/0xbe0 [ 4490.115361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4490.115361][ T10] ___sys_sendmsg+0xee/0x170 [ 4490.115361][ T10] __sys_sendmsg+0xcd/0x170 [ 4490.115361][ T10] do_syscall_64+0xc6/0x1e0 [ 4490.115361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4490.115361][ T10] [ 4490.117271][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4490.117509][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4490.117509][ T10] netdev_get_by_index+0x5e/0x80 [ 4490.117509][ T10] fib6_nh_init+0x3d8/0x1580 [ 4490.117509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4490.117509][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4490.117509][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4490.117509][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4490.117509][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4490.117509][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4490.117509][ T10] addrconf_dad_begin+0x310/0x670 [ 4490.117509][ T10] addrconf_dad_work+0x10b/0xab0 [ 4490.117509][ T10] process_one_work+0x84d/0x18a0 [ 4490.117509][ T10] worker_thread+0x587/0xd30 [ 4490.117509][ T10] kthread+0x28a/0x350 [ 4490.117509][ T10] ret_from_fork+0x31/0x70 [ 4490.117509][ T10] ret_from_fork_asm+0x1a/0x30 [ 4490.117509][ T10] [ 4490.119756][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4490.119756][ T10] netdev_get_by_index+0x5e/0x80 [ 4490.119756][ T10] fib6_nh_init+0x3d8/0x1580 [ 4490.119756][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4490.119756][ T10] ip6_route_add+0x1c/0x140 [ 4490.119756][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4490.119756][ T10] inet6_addr_add+0x4f8/0xa40 [ 4490.119756][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4490.119756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4490.119756][ T10] netlink_rcv_skb+0x130/0x360 [ 4490.119756][ T10] netlink_unicast+0x449/0x710 [ 4490.119756][ T10] netlink_sendmsg+0x723/0xbe0 [ 4490.119756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4490.119756][ T10] ___sys_sendmsg+0xee/0x170 [ 4490.119756][ T10] __sys_sendmsg+0xcd/0x170 [ 4490.119756][ T10] do_syscall_64+0xc6/0x1e0 [ 4490.119756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4490.119756][ T10] [ 4490.122018][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4490.122018][ T10] netdev_get_by_index+0x5e/0x80 [ 4490.122018][ T10] fib6_nh_init+0x3d8/0x1580 [ 4490.122018][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4490.122018][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4490.122018][ T10] ipv6_add_addr+0x411/0x2000 [ 4490.122018][ T10] inet6_addr_add+0x30e/0xa40 [ 4490.122018][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4490.122018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4490.122018][ T10] netlink_rcv_skb+0x130/0x360 [ 4490.122018][ T10] netlink_unicast+0x449/0x710 [ 4490.122018][ T10] netlink_sendmsg+0x723/0xbe0 [ 4490.122018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4490.122018][ T10] ___sys_sendmsg+0xee/0x170 [ 4490.122018][ T10] __sys_sendmsg+0xcd/0x170 [ 4490.122018][ T10] do_syscall_64+0xc6/0x1e0 [ 4490.122018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4490.122018][ T10] [ 4490.124249][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4490.124249][ T10] netdev_get_by_index+0x5e/0x80 [ 4490.124249][ T10] fib6_nh_init+0x3d8/0x1580 [ 4490.124249][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4490.124249][ T10] ip6_route_add+0x1c/0x140 [ 4490.124249][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4490.124249][ T10] addrconf_add_dev+0xe2/0x170 [ 4490.124249][ T10] inet6_addr_add+0x12f/0xa40 [ 4490.124249][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4490.124249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4490.124249][ T10] netlink_rcv_skb+0x130/0x360 [ 4490.124249][ T10] netlink_unicast+0x449/0x710 [ 4490.124249][ T10] netlink_sendmsg+0x723/0xbe0 [ 4490.124249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4490.124249][ T10] ___sys_sendmsg+0xee/0x170 [ 4490.124249][ T10] __sys_sendmsg+0xcd/0x170 [ 4490.124249][ T10] do_syscall_64+0xc6/0x1e0 [ 4490.124249][ T10] [ 4490.126482][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4490.126482][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4490.126482][ T10] ipv6_find_idev+0x102/0x170 [ 4490.126482][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4490.126482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4490.126482][ T10] netlink_rcv_skb+0x130/0x360 [ 4490.126482][ T10] netlink_unicast+0x449/0x710 [ 4490.126482][ T10] netlink_sendmsg+0x723/0xbe0 [ 4490.126482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4490.126482][ T10] ___sys_sendmsg+0xee/0x170 [ 4490.126482][ T10] __sys_sendmsg+0xcd/0x170 [ 4490.126482][ T10] do_syscall_64+0xc6/0x1e0 [ 4490.126482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4490.126482][ T10] [ 4490.128292][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4490.128292][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4490.128292][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4490.128292][ T10] ipv6_find_idev+0x102/0x170 [ 4490.128292][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4490.128292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4490.128292][ T10] netlink_rcv_skb+0x130/0x360 [ 4490.128292][ T10] netlink_unicast+0x449/0x710 [ 4490.128292][ T10] netlink_sendmsg+0x723/0xbe0 [ 4490.128292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4490.128292][ T10] ___sys_sendmsg+0xee/0x170 [ 4490.128292][ T10] __sys_sendmsg+0xcd/0x170 [ 4490.128292][ T10] do_syscall_64+0xc6/0x1e0 [ 4490.128292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4490.128292][ T10] [ 4495.513072][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4495.513545][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4495.513545][ T1167] dst_init+0x84/0x4a0 [ 4495.513545][ T1167] dst_alloc+0x97/0x150 [ 4495.513545][ T1167] ip6_dst_alloc+0x23/0x90 [ 4495.513545][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4495.513545][ T1167] ip6_pol_route+0x56f/0x840 [ 4495.513545][ T1167] fib6_rule_lookup+0x334/0x630 [ 4495.513545][ T1167] ip6_route_output_flags+0x259/0x480 [ 4495.513545][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4495.513545][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4495.513545][ T1167] netlink_rcv_skb+0x130/0x360 [ 4495.513545][ T1167] netlink_unicast+0x449/0x710 [ 4495.513545][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4495.513545][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4495.513545][ T1167] ___sys_sendmsg+0xee/0x170 [ 4495.513545][ T1167] __sys_sendmsg+0xcd/0x170 [ 4495.513545][ T1167] do_syscall_64+0xc6/0x1e0 [ 4495.513545][ T1167] [ 4495.515868][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4495.515868][ T1167] netdev_get_by_index+0x5e/0x80 [ 4495.515868][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4495.515868][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4495.515868][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4495.515868][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4495.515868][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4495.515868][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4495.515868][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4495.515868][ T1167] addrconf_dad_begin+0x310/0x670 [ 4495.515868][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4495.515868][ T1167] process_one_work+0x84d/0x18a0 [ 4495.515868][ T1167] worker_thread+0x587/0xd30 [ 4495.515868][ T1167] kthread+0x28a/0x350 [ 4495.515868][ T1167] ret_from_fork+0x31/0x70 [ 4495.515868][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4495.515868][ T1167] [ 4495.518054][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4495.518054][ T1167] netdev_get_by_index+0x5e/0x80 [ 4495.518054][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4495.518054][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4495.518054][ T1167] ip6_route_add+0x1c/0x140 [ 4495.518054][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4495.518054][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4495.518054][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4495.518054][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4495.518054][ T1167] netlink_rcv_skb+0x130/0x360 [ 4495.518054][ T1167] netlink_unicast+0x449/0x710 [ 4495.518054][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4495.518054][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4495.518054][ T1167] ___sys_sendmsg+0xee/0x170 [ 4495.518054][ T1167] __sys_sendmsg+0xcd/0x170 [ 4495.518054][ T1167] do_syscall_64+0xc6/0x1e0 [ 4495.518054][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4495.518054][ T1167] [ 4495.520287][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4495.520287][ T1167] netdev_get_by_index+0x5e/0x80 [ 4495.520287][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4495.520287][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4495.520287][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4495.520287][ T1167] ipv6_add_addr+0x411/0x2000 [ 4495.520287][ T1167] inet6_addr_add+0x30e/0xa40 [ 4495.520287][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4495.520287][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4495.520287][ T1167] netlink_rcv_skb+0x130/0x360 [ 4495.520287][ T1167] netlink_unicast+0x449/0x710 [ 4495.520287][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4495.520287][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4495.520287][ T1167] ___sys_sendmsg+0xee/0x170 [ 4495.520287][ T1167] __sys_sendmsg+0xcd/0x170 [ 4495.520287][ T1167] do_syscall_64+0xc6/0x1e0 [ 4495.520287][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4495.520287][ T1167] [ 4495.522529][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4495.522529][ T1167] netdev_get_by_index+0x5e/0x80 [ 4495.522529][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4495.522529][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4495.522529][ T1167] ip6_route_add+0x1c/0x140 [ 4495.522529][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4495.522529][ T1167] addrconf_add_dev+0xe2/0x170 [ 4495.522529][ T1167] inet6_addr_add+0x12f/0xa40 [ 4495.522529][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4495.522529][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4495.522529][ T1167] netlink_rcv_skb+0x130/0x360 [ 4495.522529][ T1167] netlink_unicast+0x449/0x710 [ 4495.522529][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4495.522529][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4495.522529][ T1167] ___sys_sendmsg+0xee/0x170 [ 4495.522529][ T1167] __sys_sendmsg+0xcd/0x170 [ 4495.522529][ T1167] do_syscall_64+0xc6/0x1e0 [ 4495.522529][ T1167] [ 4495.524796][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4495.524796][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4495.524796][ T1167] ipv6_find_idev+0x102/0x170 [ 4495.524796][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4495.524796][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4495.524796][ T1167] netlink_rcv_skb+0x130/0x360 [ 4495.524796][ T1167] netlink_unicast+0x449/0x710 [ 4495.524796][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4495.524796][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4495.524796][ T1167] ___sys_sendmsg+0xee/0x170 [ 4495.524796][ T1167] __sys_sendmsg+0xcd/0x170 [ 4495.524796][ T1167] do_syscall_64+0xc6/0x1e0 [ 4495.524796][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4495.524796][ T1167] [ 4495.526523][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4495.526523][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4495.526523][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4495.526523][ T1167] ipv6_find_idev+0x102/0x170 [ 4495.526523][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4495.526523][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4495.526523][ T1167] netlink_rcv_skb+0x130/0x360 [ 4495.526523][ T1167] netlink_unicast+0x449/0x710 [ 4495.526523][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4495.526523][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4495.526523][ T1167] ___sys_sendmsg+0xee/0x170 [ 4495.526523][ T1167] __sys_sendmsg+0xcd/0x170 [ 4495.526523][ T1167] do_syscall_64+0xc6/0x1e0 [ 4495.526523][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4495.526523][ T1167] [ 4500.377103][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4500.377522][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4500.377522][ T10] netdev_get_by_index+0x5e/0x80 [ 4500.377522][ T10] fib6_nh_init+0x3d8/0x1580 [ 4500.377522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4500.377522][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4500.377522][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4500.377522][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4500.377522][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4500.377522][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4500.377522][ T10] addrconf_dad_begin+0x310/0x670 [ 4500.377522][ T10] addrconf_dad_work+0x10b/0xab0 [ 4500.377522][ T10] process_one_work+0x84d/0x18a0 [ 4500.377522][ T10] worker_thread+0x587/0xd30 [ 4500.377522][ T10] kthread+0x28a/0x350 [ 4500.377522][ T10] ret_from_fork+0x31/0x70 [ 4500.377522][ T10] ret_from_fork_asm+0x1a/0x30 [ 4500.377522][ T10] [ 4500.379513][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4500.379513][ T10] netdev_get_by_index+0x5e/0x80 [ 4500.379513][ T10] fib6_nh_init+0x3d8/0x1580 [ 4500.379513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4500.379513][ T10] ip6_route_add+0x1c/0x140 [ 4500.379513][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4500.379513][ T10] inet6_addr_add+0x4f8/0xa40 [ 4500.379513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4500.379513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4500.379513][ T10] netlink_rcv_skb+0x130/0x360 [ 4500.379513][ T10] netlink_unicast+0x449/0x710 [ 4500.379513][ T10] netlink_sendmsg+0x723/0xbe0 [ 4500.379513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4500.379513][ T10] ___sys_sendmsg+0xee/0x170 [ 4500.379513][ T10] __sys_sendmsg+0xcd/0x170 [ 4500.379513][ T10] do_syscall_64+0xc6/0x1e0 [ 4500.379513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4500.379513][ T10] [ 4500.381546][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4500.381546][ T10] netdev_get_by_index+0x5e/0x80 [ 4500.381546][ T10] fib6_nh_init+0x3d8/0x1580 [ 4500.381546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4500.381546][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4500.381546][ T10] ipv6_add_addr+0x411/0x2000 [ 4500.381546][ T10] inet6_addr_add+0x30e/0xa40 [ 4500.381546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4500.381546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4500.381546][ T10] netlink_rcv_skb+0x130/0x360 [ 4500.381546][ T10] netlink_unicast+0x449/0x710 [ 4500.381546][ T10] netlink_sendmsg+0x723/0xbe0 [ 4500.381546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4500.381546][ T10] ___sys_sendmsg+0xee/0x170 [ 4500.381546][ T10] __sys_sendmsg+0xcd/0x170 [ 4500.381546][ T10] do_syscall_64+0xc6/0x1e0 [ 4500.381546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4500.381546][ T10] [ 4500.383589][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4500.383589][ T10] netdev_get_by_index+0x5e/0x80 [ 4500.383589][ T10] fib6_nh_init+0x3d8/0x1580 [ 4500.383589][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4500.383589][ T10] ip6_route_add+0x1c/0x140 [ 4500.383589][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4500.383589][ T10] addrconf_add_dev+0xe2/0x170 [ 4500.383589][ T10] inet6_addr_add+0x12f/0xa40 [ 4500.383589][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4500.383589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4500.383589][ T10] netlink_rcv_skb+0x130/0x360 [ 4500.383589][ T10] netlink_unicast+0x449/0x710 [ 4500.383589][ T10] netlink_sendmsg+0x723/0xbe0 [ 4500.383589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4500.383589][ T10] ___sys_sendmsg+0xee/0x170 [ 4500.383589][ T10] __sys_sendmsg+0xcd/0x170 [ 4500.383589][ T10] do_syscall_64+0xc6/0x1e0 [ 4500.383589][ T10] [ 4500.385583][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4500.385583][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4500.385583][ T10] ipv6_find_idev+0x102/0x170 [ 4500.385583][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4500.385583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4500.385583][ T10] netlink_rcv_skb+0x130/0x360 [ 4500.385583][ T10] netlink_unicast+0x449/0x710 [ 4500.385583][ T10] netlink_sendmsg+0x723/0xbe0 [ 4500.385583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4500.385583][ T10] ___sys_sendmsg+0xee/0x170 [ 4500.385583][ T10] __sys_sendmsg+0xcd/0x170 [ 4500.385583][ T10] do_syscall_64+0xc6/0x1e0 [ 4500.385583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4500.385583][ T10] [ 4500.387165][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4500.387165][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4500.387165][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4500.387165][ T10] ipv6_find_idev+0x102/0x170 [ 4500.387165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4500.387165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4500.387165][ T10] netlink_rcv_skb+0x130/0x360 [ 4500.387165][ T10] netlink_unicast+0x449/0x710 [ 4500.387165][ T10] netlink_sendmsg+0x723/0xbe0 [ 4500.387165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4500.387165][ T10] ___sys_sendmsg+0xee/0x170 [ 4500.387165][ T10] __sys_sendmsg+0xcd/0x170 [ 4500.387165][ T10] do_syscall_64+0xc6/0x1e0 [ 4500.387165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4500.387165][ T10] [ 4500.388910][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4500.389177][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4500.389177][ T10] netdev_get_by_index+0x5e/0x80 [ 4500.389177][ T10] fib6_nh_init+0x3d8/0x1580 [ 4500.389177][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4500.389177][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4500.389177][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4500.389177][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4500.389177][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4500.389177][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4500.389177][ T10] addrconf_dad_begin+0x310/0x670 [ 4500.389177][ T10] addrconf_dad_work+0x10b/0xab0 [ 4500.389177][ T10] process_one_work+0x84d/0x18a0 [ 4500.389177][ T10] worker_thread+0x587/0xd30 [ 4500.389177][ T10] kthread+0x28a/0x350 [ 4500.389177][ T10] ret_from_fork+0x31/0x70 [ 4500.389177][ T10] ret_from_fork_asm+0x1a/0x30 [ 4500.389177][ T10] [ 4500.391120][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4500.391120][ T10] netdev_get_by_index+0x5e/0x80 [ 4500.391120][ T10] fib6_nh_init+0x3d8/0x1580 [ 4500.391120][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4500.391120][ T10] ip6_route_add+0x1c/0x140 [ 4500.391120][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4500.391120][ T10] inet6_addr_add+0x4f8/0xa40 [ 4500.391120][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4500.391120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4500.391120][ T10] netlink_rcv_skb+0x130/0x360 [ 4500.391120][ T10] netlink_unicast+0x449/0x710 [ 4500.391120][ T10] netlink_sendmsg+0x723/0xbe0 [ 4500.391120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4500.391120][ T10] ___sys_sendmsg+0xee/0x170 [ 4500.391120][ T10] __sys_sendmsg+0xcd/0x170 [ 4500.391120][ T10] do_syscall_64+0xc6/0x1e0 [ 4500.391120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4500.391120][ T10] [ 4500.393148][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4500.393148][ T10] netdev_get_by_index+0x5e/0x80 [ 4500.393148][ T10] fib6_nh_init+0x3d8/0x1580 [ 4500.393148][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4500.393148][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4500.393148][ T10] ipv6_add_addr+0x411/0x2000 [ 4500.393148][ T10] inet6_addr_add+0x30e/0xa40 [ 4500.393148][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4500.393148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4500.393148][ T10] netlink_rcv_skb+0x130/0x360 [ 4500.393148][ T10] netlink_unicast+0x449/0x710 [ 4500.393148][ T10] netlink_sendmsg+0x723/0xbe0 [ 4500.393148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4500.393148][ T10] ___sys_sendmsg+0xee/0x170 [ 4500.393148][ T10] __sys_sendmsg+0xcd/0x170 [ 4500.393148][ T10] do_syscall_64+0xc6/0x1e0 [ 4500.393148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4500.393148][ T10] [ 4500.395181][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4500.395181][ T10] netdev_get_by_index+0x5e/0x80 [ 4500.395181][ T10] fib6_nh_init+0x3d8/0x1580 [ 4500.395181][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4500.395181][ T10] ip6_route_add+0x1c/0x140 [ 4500.395181][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4500.395181][ T10] addrconf_add_dev+0xe2/0x170 [ 4500.395181][ T10] inet6_addr_add+0x12f/0xa40 [ 4500.395181][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4500.395181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4500.395181][ T10] netlink_rcv_skb+0x130/0x360 [ 4500.395181][ T10] netlink_unicast+0x449/0x710 [ 4500.395181][ T10] netlink_sendmsg+0x723/0xbe0 [ 4500.395181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4500.395181][ T10] ___sys_sendmsg+0xee/0x170 [ 4500.395181][ T10] __sys_sendmsg+0xcd/0x170 [ 4500.395181][ T10] do_syscall_64+0xc6/0x1e0 [ 4500.395181][ T10] [ 4500.397301][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4500.397301][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4500.397301][ T10] ipv6_find_idev+0x102/0x170 [ 4500.397301][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4500.397301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4500.397301][ T10] netlink_rcv_skb+0x130/0x360 [ 4500.397301][ T10] netlink_unicast+0x449/0x710 [ 4500.397301][ T10] netlink_sendmsg+0x723/0xbe0 [ 4500.397301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4500.397301][ T10] ___sys_sendmsg+0xee/0x170 [ 4500.397301][ T10] __sys_sendmsg+0xcd/0x170 [ 4500.397301][ T10] do_syscall_64+0xc6/0x1e0 [ 4500.397301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4500.397301][ T10] [ 4500.398877][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4500.398877][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4500.398877][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4500.398877][ T10] ipv6_find_idev+0x102/0x170 [ 4500.398877][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4500.398877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4500.398877][ T10] netlink_rcv_skb+0x130/0x360 [ 4500.398877][ T10] netlink_unicast+0x449/0x710 [ 4500.398877][ T10] netlink_sendmsg+0x723/0xbe0 [ 4500.398877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4500.398877][ T10] ___sys_sendmsg+0xee/0x170 [ 4500.398877][ T10] __sys_sendmsg+0xcd/0x170 [ 4500.398877][ T10] do_syscall_64+0xc6/0x1e0 [ 4500.398877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4500.398877][ T10] [ 4500.400601][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4500.400861][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4500.400861][ T10] netdev_get_by_index+0x5e/0x80 [ 4500.400861][ T10] fib6_nh_init+0x3d8/0x1580 [ 4500.400861][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4500.400861][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4500.400861][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4500.400861][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4500.400861][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4500.400861][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4500.400861][ T10] addrconf_dad_begin+0x310/0x670 [ 4500.400861][ T10] addrconf_dad_work+0x10b/0xab0 [ 4500.400861][ T10] process_one_work+0x84d/0x18a0 [ 4500.400861][ T10] worker_thread+0x587/0xd30 [ 4500.400861][ T10] kthread+0x28a/0x350 [ 4500.400861][ T10] ret_from_fork+0x31/0x70 [ 4500.400861][ T10] ret_from_fork_asm+0x1a/0x30 [ 4500.400861][ T10] [ 4500.402799][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4500.402799][ T10] netdev_get_by_index+0x5e/0x80 [ 4500.402799][ T10] fib6_nh_init+0x3d8/0x1580 [ 4500.402799][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4500.402799][ T10] ip6_route_add+0x1c/0x140 [ 4500.402799][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4500.402799][ T10] inet6_addr_add+0x4f8/0xa40 [ 4500.402799][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4500.402799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4500.402799][ T10] netlink_rcv_skb+0x130/0x360 [ 4500.402799][ T10] netlink_unicast+0x449/0x710 [ 4500.402799][ T10] netlink_sendmsg+0x723/0xbe0 [ 4500.402799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4500.402799][ T10] ___sys_sendmsg+0xee/0x170 [ 4500.402799][ T10] __sys_sendmsg+0xcd/0x170 [ 4500.402799][ T10] do_syscall_64+0xc6/0x1e0 [ 4500.402799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4500.402799][ T10] [ 4500.405025][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4500.405025][ T10] netdev_get_by_index+0x5e/0x80 [ 4500.405025][ T10] fib6_nh_init+0x3d8/0x1580 [ 4500.405025][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4500.405025][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4500.405025][ T10] ipv6_add_addr+0x411/0x2000 [ 4500.405025][ T10] inet6_addr_add+0x30e/0xa40 [ 4500.405025][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4500.405025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4500.405025][ T10] netlink_rcv_skb+0x130/0x360 [ 4500.405025][ T10] netlink_unicast+0x449/0x710 [ 4500.405025][ T10] netlink_sendmsg+0x723/0xbe0 [ 4500.405025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4500.405025][ T10] ___sys_sendmsg+0xee/0x170 [ 4500.405025][ T10] __sys_sendmsg+0xcd/0x170 [ 4500.405025][ T10] do_syscall_64+0xc6/0x1e0 [ 4500.405025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4500.405025][ T10] [ 4500.407305][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4500.407305][ T10] netdev_get_by_index+0x5e/0x80 [ 4500.407305][ T10] fib6_nh_init+0x3d8/0x1580 [ 4500.407305][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4500.407305][ T10] ip6_route_add+0x1c/0x140 [ 4500.407305][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4500.407305][ T10] addrconf_add_dev+0xe2/0x170 [ 4500.407305][ T10] inet6_addr_add+0x12f/0xa40 [ 4500.407305][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4500.407305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4500.407305][ T10] netlink_rcv_skb+0x130/0x360 [ 4500.407305][ T10] netlink_unicast+0x449/0x710 [ 4500.407305][ T10] netlink_sendmsg+0x723/0xbe0 [ 4500.407305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4500.407305][ T10] ___sys_sendmsg+0xee/0x170 [ 4500.407305][ T10] __sys_sendmsg+0xcd/0x170 [ 4500.407305][ T10] do_syscall_64+0xc6/0x1e0 [ 4500.407305][ T10] [ 4500.409560][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4500.409560][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4500.409560][ T10] ipv6_find_idev+0x102/0x170 [ 4500.409560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4500.409560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4500.409560][ T10] netlink_rcv_skb+0x130/0x360 [ 4500.409560][ T10] netlink_unicast+0x449/0x710 [ 4500.409560][ T10] netlink_sendmsg+0x723/0xbe0 [ 4500.409560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4500.409560][ T10] ___sys_sendmsg+0xee/0x170 [ 4500.409560][ T10] __sys_sendmsg+0xcd/0x170 [ 4500.409560][ T10] do_syscall_64+0xc6/0x1e0 [ 4500.409560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4500.409560][ T10] [ 4500.411367][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4500.411367][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4500.411367][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4500.411367][ T10] ipv6_find_idev+0x102/0x170 [ 4500.411367][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4500.411367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4500.411367][ T10] netlink_rcv_skb+0x130/0x360 [ 4500.411367][ T10] netlink_unicast+0x449/0x710 [ 4500.411367][ T10] netlink_sendmsg+0x723/0xbe0 [ 4500.411367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4500.411367][ T10] ___sys_sendmsg+0xee/0x170 [ 4500.411367][ T10] __sys_sendmsg+0xcd/0x170 [ 4500.411367][ T10] do_syscall_64+0xc6/0x1e0 [ 4500.411367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4500.411367][ T10] [ 4500.413261][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4500.413520][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4500.413520][ T10] netdev_get_by_index+0x5e/0x80 [ 4500.413520][ T10] fib6_nh_init+0x3d8/0x1580 [ 4500.413520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4500.413520][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4500.413520][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4500.413520][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4500.413520][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4500.413520][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4500.413520][ T10] addrconf_dad_begin+0x310/0x670 [ 4500.413520][ T10] addrconf_dad_work+0x10b/0xab0 [ 4500.413520][ T10] process_one_work+0x84d/0x18a0 [ 4500.413520][ T10] worker_thread+0x587/0xd30 [ 4500.413520][ T10] kthread+0x28a/0x350 [ 4500.413520][ T10] ret_from_fork+0x31/0x70 [ 4500.413520][ T10] ret_from_fork_asm+0x1a/0x30 [ 4500.413520][ T10] [ 4500.415707][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4500.415707][ T10] netdev_get_by_index+0x5e/0x80 [ 4500.415707][ T10] fib6_nh_init+0x3d8/0x1580 [ 4500.415707][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4500.415707][ T10] ip6_route_add+0x1c/0x140 [ 4500.415707][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4500.415707][ T10] inet6_addr_add+0x4f8/0xa40 [ 4500.415707][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4500.415707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4500.415707][ T10] netlink_rcv_skb+0x130/0x360 [ 4500.415707][ T10] netlink_unicast+0x449/0x710 [ 4500.415707][ T10] netlink_sendmsg+0x723/0xbe0 [ 4500.415707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4500.415707][ T10] ___sys_sendmsg+0xee/0x170 [ 4500.415707][ T10] __sys_sendmsg+0xcd/0x170 [ 4500.415707][ T10] do_syscall_64+0xc6/0x1e0 [ 4500.415707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4500.415707][ T10] [ 4500.417985][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4500.417985][ T10] netdev_get_by_index+0x5e/0x80 [ 4500.417985][ T10] fib6_nh_init+0x3d8/0x1580 [ 4500.417985][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4500.417985][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4500.417985][ T10] ipv6_add_addr+0x411/0x2000 [ 4500.417985][ T10] inet6_addr_add+0x30e/0xa40 [ 4500.417985][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4500.417985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4500.417985][ T10] netlink_rcv_skb+0x130/0x360 [ 4500.417985][ T10] netlink_unicast+0x449/0x710 [ 4500.417985][ T10] netlink_sendmsg+0x723/0xbe0 [ 4500.417985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4500.417985][ T10] ___sys_sendmsg+0xee/0x170 [ 4500.417985][ T10] __sys_sendmsg+0xcd/0x170 [ 4500.417985][ T10] do_syscall_64+0xc6/0x1e0 [ 4500.417985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4500.417985][ T10] [ 4500.420215][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4500.420215][ T10] netdev_get_by_index+0x5e/0x80 [ 4500.420215][ T10] fib6_nh_init+0x3d8/0x1580 [ 4500.420215][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4500.420215][ T10] ip6_route_add+0x1c/0x140 [ 4500.420215][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4500.420215][ T10] addrconf_add_dev+0xe2/0x170 [ 4500.420215][ T10] inet6_addr_add+0x12f/0xa40 [ 4500.420215][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4500.420215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4500.420215][ T10] netlink_rcv_skb+0x130/0x360 [ 4500.420215][ T10] netlink_unicast+0x449/0x710 [ 4500.420215][ T10] netlink_sendmsg+0x723/0xbe0 [ 4500.420215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4500.420215][ T10] ___sys_sendmsg+0xee/0x170 [ 4500.420215][ T10] __sys_sendmsg+0xcd/0x170 [ 4500.420215][ T10] do_syscall_64+0xc6/0x1e0 [ 4500.420215][ T10] [ 4500.422520][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4500.422520][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4500.422520][ T10] ipv6_find_idev+0x102/0x170 [ 4500.422520][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4500.422520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4500.422520][ T10] netlink_rcv_skb+0x130/0x360 [ 4500.422520][ T10] netlink_unicast+0x449/0x710 [ 4500.422520][ T10] netlink_sendmsg+0x723/0xbe0 [ 4500.422520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4500.422520][ T10] ___sys_sendmsg+0xee/0x170 [ 4500.422520][ T10] __sys_sendmsg+0xcd/0x170 [ 4500.422520][ T10] do_syscall_64+0xc6/0x1e0 [ 4500.422520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4500.422520][ T10] [ 4500.424320][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4500.424320][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4500.424320][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4500.424320][ T10] ipv6_find_idev+0x102/0x170 [ 4500.424320][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4500.424320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4500.424320][ T10] netlink_rcv_skb+0x130/0x360 [ 4500.424320][ T10] netlink_unicast+0x449/0x710 [ 4500.424320][ T10] netlink_sendmsg+0x723/0xbe0 [ 4500.424320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4500.424320][ T10] ___sys_sendmsg+0xee/0x170 [ 4500.424320][ T10] __sys_sendmsg+0xcd/0x170 [ 4500.424320][ T10] do_syscall_64+0xc6/0x1e0 [ 4500.424320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4500.424320][ T10] [ 4505.777069][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4505.777538][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4505.777538][ T1167] dst_init+0x84/0x4a0 [ 4505.777538][ T1167] dst_alloc+0x97/0x150 [ 4505.777538][ T1167] ip6_dst_alloc+0x23/0x90 [ 4505.777538][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4505.777538][ T1167] ip6_pol_route+0x56f/0x840 [ 4505.777538][ T1167] fib6_rule_lookup+0x334/0x630 [ 4505.777538][ T1167] ip6_route_output_flags+0x259/0x480 [ 4505.777538][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4505.777538][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4505.777538][ T1167] netlink_rcv_skb+0x130/0x360 [ 4505.777538][ T1167] netlink_unicast+0x449/0x710 [ 4505.777538][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4505.777538][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4505.777538][ T1167] ___sys_sendmsg+0xee/0x170 [ 4505.777538][ T1167] __sys_sendmsg+0xcd/0x170 [ 4505.777538][ T1167] do_syscall_64+0xc6/0x1e0 [ 4505.777538][ T1167] [ 4505.779760][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4505.779760][ T1167] netdev_get_by_index+0x5e/0x80 [ 4505.779760][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4505.779760][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4505.779760][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4505.779760][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4505.779760][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4505.779760][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4505.779760][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4505.779760][ T1167] addrconf_dad_begin+0x310/0x670 [ 4505.779760][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4505.779760][ T1167] process_one_work+0x84d/0x18a0 [ 4505.779760][ T1167] worker_thread+0x587/0xd30 [ 4505.779760][ T1167] kthread+0x28a/0x350 [ 4505.779760][ T1167] ret_from_fork+0x31/0x70 [ 4505.779760][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4505.779760][ T1167] [ 4505.781897][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4505.781897][ T1167] netdev_get_by_index+0x5e/0x80 [ 4505.781897][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4505.781897][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4505.781897][ T1167] ip6_route_add+0x1c/0x140 [ 4505.781897][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4505.781897][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4505.781897][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4505.781897][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4505.781897][ T1167] netlink_rcv_skb+0x130/0x360 [ 4505.781897][ T1167] netlink_unicast+0x449/0x710 [ 4505.781897][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4505.781897][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4505.781897][ T1167] ___sys_sendmsg+0xee/0x170 [ 4505.781897][ T1167] __sys_sendmsg+0xcd/0x170 [ 4505.781897][ T1167] do_syscall_64+0xc6/0x1e0 [ 4505.781897][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4505.781897][ T1167] [ 4505.784137][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4505.784137][ T1167] netdev_get_by_index+0x5e/0x80 [ 4505.784137][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4505.784137][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4505.784137][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4505.784137][ T1167] ipv6_add_addr+0x411/0x2000 [ 4505.784137][ T1167] inet6_addr_add+0x30e/0xa40 [ 4505.784137][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4505.784137][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4505.784137][ T1167] netlink_rcv_skb+0x130/0x360 [ 4505.784137][ T1167] netlink_unicast+0x449/0x710 [ 4505.784137][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4505.784137][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4505.784137][ T1167] ___sys_sendmsg+0xee/0x170 [ 4505.784137][ T1167] __sys_sendmsg+0xcd/0x170 [ 4505.784137][ T1167] do_syscall_64+0xc6/0x1e0 [ 4505.784137][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4505.784137][ T1167] [ 4505.786367][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4505.786367][ T1167] netdev_get_by_index+0x5e/0x80 [ 4505.786367][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4505.786367][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4505.786367][ T1167] ip6_route_add+0x1c/0x140 [ 4505.786367][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4505.786367][ T1167] addrconf_add_dev+0xe2/0x170 [ 4505.786367][ T1167] inet6_addr_add+0x12f/0xa40 [ 4505.786367][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4505.786367][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4505.786367][ T1167] netlink_rcv_skb+0x130/0x360 [ 4505.786367][ T1167] netlink_unicast+0x449/0x710 [ 4505.786367][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4505.786367][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4505.786367][ T1167] ___sys_sendmsg+0xee/0x170 [ 4505.786367][ T1167] __sys_sendmsg+0xcd/0x170 [ 4505.786367][ T1167] do_syscall_64+0xc6/0x1e0 [ 4505.786367][ T1167] [ 4505.789073][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4505.789073][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4505.789073][ T1167] ipv6_find_idev+0x102/0x170 [ 4505.789073][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4505.789073][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4505.789073][ T1167] netlink_rcv_skb+0x130/0x360 [ 4505.789073][ T1167] netlink_unicast+0x449/0x710 [ 4505.789073][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4505.789073][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4505.789073][ T1167] ___sys_sendmsg+0xee/0x170 [ 4505.789073][ T1167] __sys_sendmsg+0xcd/0x170 [ 4505.789073][ T1167] do_syscall_64+0xc6/0x1e0 [ 4505.789073][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4505.789073][ T1167] [ 4505.790799][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4505.790799][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4505.790799][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4505.790799][ T1167] ipv6_find_idev+0x102/0x170 [ 4505.790799][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4505.790799][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4505.790799][ T1167] netlink_rcv_skb+0x130/0x360 [ 4505.790799][ T1167] netlink_unicast+0x449/0x710 [ 4505.790799][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4505.790799][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4505.790799][ T1167] ___sys_sendmsg+0xee/0x170 [ 4505.790799][ T1167] __sys_sendmsg+0xcd/0x170 [ 4505.790799][ T1167] do_syscall_64+0xc6/0x1e0 [ 4505.790799][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4505.790799][ T1167] [ 4510.665101][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4510.665555][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4510.665555][ T10] netdev_get_by_index+0x5e/0x80 [ 4510.665555][ T10] fib6_nh_init+0x3d8/0x1580 [ 4510.665555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4510.665555][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4510.665555][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4510.665555][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4510.665555][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4510.665555][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4510.665555][ T10] addrconf_dad_begin+0x310/0x670 [ 4510.665555][ T10] addrconf_dad_work+0x10b/0xab0 [ 4510.665555][ T10] process_one_work+0x84d/0x18a0 [ 4510.665555][ T10] worker_thread+0x587/0xd30 [ 4510.665555][ T10] kthread+0x28a/0x350 [ 4510.665555][ T10] ret_from_fork+0x31/0x70 [ 4510.665555][ T10] ret_from_fork_asm+0x1a/0x30 [ 4510.665555][ T10] [ 4510.667553][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4510.667553][ T10] netdev_get_by_index+0x5e/0x80 [ 4510.667553][ T10] fib6_nh_init+0x3d8/0x1580 [ 4510.667553][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4510.667553][ T10] ip6_route_add+0x1c/0x140 [ 4510.667553][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4510.667553][ T10] inet6_addr_add+0x4f8/0xa40 [ 4510.667553][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4510.667553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4510.667553][ T10] netlink_rcv_skb+0x130/0x360 [ 4510.667553][ T10] netlink_unicast+0x449/0x710 [ 4510.667553][ T10] netlink_sendmsg+0x723/0xbe0 [ 4510.667553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4510.667553][ T10] ___sys_sendmsg+0xee/0x170 [ 4510.667553][ T10] __sys_sendmsg+0xcd/0x170 [ 4510.667553][ T10] do_syscall_64+0xc6/0x1e0 [ 4510.667553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4510.667553][ T10] [ 4510.669588][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4510.669588][ T10] netdev_get_by_index+0x5e/0x80 [ 4510.669588][ T10] fib6_nh_init+0x3d8/0x1580 [ 4510.669588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4510.669588][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4510.669588][ T10] ipv6_add_addr+0x411/0x2000 [ 4510.669588][ T10] inet6_addr_add+0x30e/0xa40 [ 4510.669588][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4510.669588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4510.669588][ T10] netlink_rcv_skb+0x130/0x360 [ 4510.669588][ T10] netlink_unicast+0x449/0x710 [ 4510.669588][ T10] netlink_sendmsg+0x723/0xbe0 [ 4510.669588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4510.669588][ T10] ___sys_sendmsg+0xee/0x170 [ 4510.669588][ T10] __sys_sendmsg+0xcd/0x170 [ 4510.669588][ T10] do_syscall_64+0xc6/0x1e0 [ 4510.669588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4510.669588][ T10] [ 4510.671626][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4510.671626][ T10] netdev_get_by_index+0x5e/0x80 [ 4510.671626][ T10] fib6_nh_init+0x3d8/0x1580 [ 4510.671626][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4510.671626][ T10] ip6_route_add+0x1c/0x140 [ 4510.671626][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4510.671626][ T10] addrconf_add_dev+0xe2/0x170 [ 4510.671626][ T10] inet6_addr_add+0x12f/0xa40 [ 4510.671626][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4510.671626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4510.671626][ T10] netlink_rcv_skb+0x130/0x360 [ 4510.671626][ T10] netlink_unicast+0x449/0x710 [ 4510.671626][ T10] netlink_sendmsg+0x723/0xbe0 [ 4510.671626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4510.671626][ T10] ___sys_sendmsg+0xee/0x170 [ 4510.671626][ T10] __sys_sendmsg+0xcd/0x170 [ 4510.671626][ T10] do_syscall_64+0xc6/0x1e0 [ 4510.671626][ T10] [ 4510.673628][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4510.673628][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4510.673628][ T10] ipv6_find_idev+0x102/0x170 [ 4510.673628][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4510.673628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4510.673628][ T10] netlink_rcv_skb+0x130/0x360 [ 4510.673628][ T10] netlink_unicast+0x449/0x710 [ 4510.673628][ T10] netlink_sendmsg+0x723/0xbe0 [ 4510.673628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4510.673628][ T10] ___sys_sendmsg+0xee/0x170 [ 4510.673628][ T10] __sys_sendmsg+0xcd/0x170 [ 4510.673628][ T10] do_syscall_64+0xc6/0x1e0 [ 4510.673628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4510.673628][ T10] [ 4510.675193][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4510.675193][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4510.675193][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4510.675193][ T10] ipv6_find_idev+0x102/0x170 [ 4510.675193][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4510.675193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4510.675193][ T10] netlink_rcv_skb+0x130/0x360 [ 4510.675193][ T10] netlink_unicast+0x449/0x710 [ 4510.675193][ T10] netlink_sendmsg+0x723/0xbe0 [ 4510.675193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4510.675193][ T10] ___sys_sendmsg+0xee/0x170 [ 4510.675193][ T10] __sys_sendmsg+0xcd/0x170 [ 4510.675193][ T10] do_syscall_64+0xc6/0x1e0 [ 4510.675193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4510.675193][ T10] [ 4510.676926][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4510.677214][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4510.677214][ T10] netdev_get_by_index+0x5e/0x80 [ 4510.677214][ T10] fib6_nh_init+0x3d8/0x1580 [ 4510.677214][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4510.677214][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4510.677214][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4510.677214][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4510.677214][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4510.677214][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4510.677214][ T10] addrconf_dad_begin+0x310/0x670 [ 4510.677214][ T10] addrconf_dad_work+0x10b/0xab0 [ 4510.677214][ T10] process_one_work+0x84d/0x18a0 [ 4510.677214][ T10] worker_thread+0x587/0xd30 [ 4510.677214][ T10] kthread+0x28a/0x350 [ 4510.677214][ T10] ret_from_fork+0x31/0x70 [ 4510.677214][ T10] ret_from_fork_asm+0x1a/0x30 [ 4510.677214][ T10] [ 4510.679146][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4510.679146][ T10] netdev_get_by_index+0x5e/0x80 [ 4510.679146][ T10] fib6_nh_init+0x3d8/0x1580 [ 4510.679146][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4510.679146][ T10] ip6_route_add+0x1c/0x140 [ 4510.679146][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4510.679146][ T10] inet6_addr_add+0x4f8/0xa40 [ 4510.679146][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4510.679146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4510.679146][ T10] netlink_rcv_skb+0x130/0x360 [ 4510.679146][ T10] netlink_unicast+0x449/0x710 [ 4510.679146][ T10] netlink_sendmsg+0x723/0xbe0 [ 4510.679146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4510.679146][ T10] ___sys_sendmsg+0xee/0x170 [ 4510.679146][ T10] __sys_sendmsg+0xcd/0x170 [ 4510.679146][ T10] do_syscall_64+0xc6/0x1e0 [ 4510.679146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4510.679146][ T10] [ 4510.681155][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4510.681155][ T10] netdev_get_by_index+0x5e/0x80 [ 4510.681155][ T10] fib6_nh_init+0x3d8/0x1580 [ 4510.681155][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4510.681155][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4510.681155][ T10] ipv6_add_addr+0x411/0x2000 [ 4510.681155][ T10] inet6_addr_add+0x30e/0xa40 [ 4510.681155][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4510.681155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4510.681155][ T10] netlink_rcv_skb+0x130/0x360 [ 4510.681155][ T10] netlink_unicast+0x449/0x710 [ 4510.681155][ T10] netlink_sendmsg+0x723/0xbe0 [ 4510.681155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4510.681155][ T10] ___sys_sendmsg+0xee/0x170 [ 4510.681155][ T10] __sys_sendmsg+0xcd/0x170 [ 4510.681155][ T10] do_syscall_64+0xc6/0x1e0 [ 4510.681155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4510.681155][ T10] [ 4510.683174][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4510.683174][ T10] netdev_get_by_index+0x5e/0x80 [ 4510.683174][ T10] fib6_nh_init+0x3d8/0x1580 [ 4510.683174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4510.683174][ T10] ip6_route_add+0x1c/0x140 [ 4510.683174][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4510.683174][ T10] addrconf_add_dev+0xe2/0x170 [ 4510.683174][ T10] inet6_addr_add+0x12f/0xa40 [ 4510.683174][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4510.683174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4510.683174][ T10] netlink_rcv_skb+0x130/0x360 [ 4510.683174][ T10] netlink_unicast+0x449/0x710 [ 4510.683174][ T10] netlink_sendmsg+0x723/0xbe0 [ 4510.683174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4510.683174][ T10] ___sys_sendmsg+0xee/0x170 [ 4510.683174][ T10] __sys_sendmsg+0xcd/0x170 [ 4510.683174][ T10] do_syscall_64+0xc6/0x1e0 [ 4510.683174][ T10] [ 4510.685192][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4510.685192][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4510.685192][ T10] ipv6_find_idev+0x102/0x170 [ 4510.685192][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4510.685192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4510.685192][ T10] netlink_rcv_skb+0x130/0x360 [ 4510.685192][ T10] netlink_unicast+0x449/0x710 [ 4510.685192][ T10] netlink_sendmsg+0x723/0xbe0 [ 4510.685192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4510.685192][ T10] ___sys_sendmsg+0xee/0x170 [ 4510.685192][ T10] __sys_sendmsg+0xcd/0x170 [ 4510.685192][ T10] do_syscall_64+0xc6/0x1e0 [ 4510.685192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4510.685192][ T10] [ 4510.686763][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4510.686763][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4510.686763][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4510.686763][ T10] ipv6_find_idev+0x102/0x170 [ 4510.686763][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4510.686763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4510.686763][ T10] netlink_rcv_skb+0x130/0x360 [ 4510.686763][ T10] netlink_unicast+0x449/0x710 [ 4510.686763][ T10] netlink_sendmsg+0x723/0xbe0 [ 4510.686763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4510.686763][ T10] ___sys_sendmsg+0xee/0x170 [ 4510.686763][ T10] __sys_sendmsg+0xcd/0x170 [ 4510.686763][ T10] do_syscall_64+0xc6/0x1e0 [ 4510.686763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4510.686763][ T10] [ 4510.688477][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4510.688726][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4510.688726][ T10] netdev_get_by_index+0x5e/0x80 [ 4510.688726][ T10] fib6_nh_init+0x3d8/0x1580 [ 4510.688726][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4510.688726][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4510.688726][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4510.688726][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4510.688726][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4510.688726][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4510.688726][ T10] addrconf_dad_begin+0x310/0x670 [ 4510.688726][ T10] addrconf_dad_work+0x10b/0xab0 [ 4510.688726][ T10] process_one_work+0x84d/0x18a0 [ 4510.688726][ T10] worker_thread+0x587/0xd30 [ 4510.688726][ T10] kthread+0x28a/0x350 [ 4510.688726][ T10] ret_from_fork+0x31/0x70 [ 4510.688726][ T10] ret_from_fork_asm+0x1a/0x30 [ 4510.688726][ T10] [ 4510.690656][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4510.690656][ T10] netdev_get_by_index+0x5e/0x80 [ 4510.690656][ T10] fib6_nh_init+0x3d8/0x1580 [ 4510.690656][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4510.690656][ T10] ip6_route_add+0x1c/0x140 [ 4510.690656][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4510.690656][ T10] inet6_addr_add+0x4f8/0xa40 [ 4510.690656][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4510.690656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4510.690656][ T10] netlink_rcv_skb+0x130/0x360 [ 4510.690656][ T10] netlink_unicast+0x449/0x710 [ 4510.690656][ T10] netlink_sendmsg+0x723/0xbe0 [ 4510.690656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4510.690656][ T10] ___sys_sendmsg+0xee/0x170 [ 4510.690656][ T10] __sys_sendmsg+0xcd/0x170 [ 4510.690656][ T10] do_syscall_64+0xc6/0x1e0 [ 4510.690656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4510.690656][ T10] [ 4510.692849][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4510.692849][ T10] netdev_get_by_index+0x5e/0x80 [ 4510.692849][ T10] fib6_nh_init+0x3d8/0x1580 [ 4510.692849][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4510.692849][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4510.692849][ T10] ipv6_add_addr+0x411/0x2000 [ 4510.692849][ T10] inet6_addr_add+0x30e/0xa40 [ 4510.692849][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4510.692849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4510.692849][ T10] netlink_rcv_skb+0x130/0x360 [ 4510.692849][ T10] netlink_unicast+0x449/0x710 [ 4510.692849][ T10] netlink_sendmsg+0x723/0xbe0 [ 4510.692849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4510.692849][ T10] ___sys_sendmsg+0xee/0x170 [ 4510.692849][ T10] __sys_sendmsg+0xcd/0x170 [ 4510.692849][ T10] do_syscall_64+0xc6/0x1e0 [ 4510.692849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4510.692849][ T10] [ 4510.695106][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4510.695106][ T10] netdev_get_by_index+0x5e/0x80 [ 4510.695106][ T10] fib6_nh_init+0x3d8/0x1580 [ 4510.695106][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4510.695106][ T10] ip6_route_add+0x1c/0x140 [ 4510.695106][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4510.695106][ T10] addrconf_add_dev+0xe2/0x170 [ 4510.695106][ T10] inet6_addr_add+0x12f/0xa40 [ 4510.695106][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4510.695106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4510.695106][ T10] netlink_rcv_skb+0x130/0x360 [ 4510.695106][ T10] netlink_unicast+0x449/0x710 [ 4510.695106][ T10] netlink_sendmsg+0x723/0xbe0 [ 4510.695106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4510.695106][ T10] ___sys_sendmsg+0xee/0x170 [ 4510.695106][ T10] __sys_sendmsg+0xcd/0x170 [ 4510.695106][ T10] do_syscall_64+0xc6/0x1e0 [ 4510.695106][ T10] [ 4510.697387][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4510.697387][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4510.697387][ T10] ipv6_find_idev+0x102/0x170 [ 4510.697387][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4510.697387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4510.697387][ T10] netlink_rcv_skb+0x130/0x360 [ 4510.697387][ T10] netlink_unicast+0x449/0x710 [ 4510.697387][ T10] netlink_sendmsg+0x723/0xbe0 [ 4510.697387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4510.697387][ T10] ___sys_sendmsg+0xee/0x170 [ 4510.697387][ T10] __sys_sendmsg+0xcd/0x170 [ 4510.697387][ T10] do_syscall_64+0xc6/0x1e0 [ 4510.697387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4510.697387][ T10] [ 4510.699115][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4510.699115][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4510.699115][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4510.699115][ T10] ipv6_find_idev+0x102/0x170 [ 4510.699115][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4510.699115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4510.699115][ T10] netlink_rcv_skb+0x130/0x360 [ 4510.699115][ T10] netlink_unicast+0x449/0x710 [ 4510.699115][ T10] netlink_sendmsg+0x723/0xbe0 [ 4510.699115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4510.699115][ T10] ___sys_sendmsg+0xee/0x170 [ 4510.699115][ T10] __sys_sendmsg+0xcd/0x170 [ 4510.699115][ T10] do_syscall_64+0xc6/0x1e0 [ 4510.699115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4510.699115][ T10] [ 4510.701022][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4510.701267][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4510.701267][ T10] netdev_get_by_index+0x5e/0x80 [ 4510.701267][ T10] fib6_nh_init+0x3d8/0x1580 [ 4510.701267][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4510.701267][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4510.701267][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4510.701267][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4510.701267][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4510.701267][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4510.701267][ T10] addrconf_dad_begin+0x310/0x670 [ 4510.701267][ T10] addrconf_dad_work+0x10b/0xab0 [ 4510.701267][ T10] process_one_work+0x84d/0x18a0 [ 4510.701267][ T10] worker_thread+0x587/0xd30 [ 4510.701267][ T10] kthread+0x28a/0x350 [ 4510.701267][ T10] ret_from_fork+0x31/0x70 [ 4510.701267][ T10] ret_from_fork_asm+0x1a/0x30 [ 4510.701267][ T10] [ 4510.703486][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4510.703486][ T10] netdev_get_by_index+0x5e/0x80 [ 4510.703486][ T10] fib6_nh_init+0x3d8/0x1580 [ 4510.703486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4510.703486][ T10] ip6_route_add+0x1c/0x140 [ 4510.703486][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4510.703486][ T10] inet6_addr_add+0x4f8/0xa40 [ 4510.703486][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4510.703486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4510.703486][ T10] netlink_rcv_skb+0x130/0x360 [ 4510.703486][ T10] netlink_unicast+0x449/0x710 [ 4510.703486][ T10] netlink_sendmsg+0x723/0xbe0 [ 4510.703486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4510.703486][ T10] ___sys_sendmsg+0xee/0x170 [ 4510.703486][ T10] __sys_sendmsg+0xcd/0x170 [ 4510.703486][ T10] do_syscall_64+0xc6/0x1e0 [ 4510.703486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4510.703486][ T10] [ 4510.705749][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4510.705749][ T10] netdev_get_by_index+0x5e/0x80 [ 4510.705749][ T10] fib6_nh_init+0x3d8/0x1580 [ 4510.705749][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4510.705749][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4510.705749][ T10] ipv6_add_addr+0x411/0x2000 [ 4510.705749][ T10] inet6_addr_add+0x30e/0xa40 [ 4510.705749][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4510.705749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4510.705749][ T10] netlink_rcv_skb+0x130/0x360 [ 4510.705749][ T10] netlink_unicast+0x449/0x710 [ 4510.705749][ T10] netlink_sendmsg+0x723/0xbe0 [ 4510.705749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4510.705749][ T10] ___sys_sendmsg+0xee/0x170 [ 4510.705749][ T10] __sys_sendmsg+0xcd/0x170 [ 4510.705749][ T10] do_syscall_64+0xc6/0x1e0 [ 4510.705749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4510.705749][ T10] [ 4510.708006][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4510.708006][ T10] netdev_get_by_index+0x5e/0x80 [ 4510.708006][ T10] fib6_nh_init+0x3d8/0x1580 [ 4510.708006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4510.708006][ T10] ip6_route_add+0x1c/0x140 [ 4510.708006][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4510.708006][ T10] addrconf_add_dev+0xe2/0x170 [ 4510.708006][ T10] inet6_addr_add+0x12f/0xa40 [ 4510.708006][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4510.708006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4510.708006][ T10] netlink_rcv_skb+0x130/0x360 [ 4510.708006][ T10] netlink_unicast+0x449/0x710 [ 4510.708006][ T10] netlink_sendmsg+0x723/0xbe0 [ 4510.708006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4510.708006][ T10] ___sys_sendmsg+0xee/0x170 [ 4510.708006][ T10] __sys_sendmsg+0xcd/0x170 [ 4510.708006][ T10] do_syscall_64+0xc6/0x1e0 [ 4510.708006][ T10] [ 4510.710231][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4510.710231][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4510.710231][ T10] ipv6_find_idev+0x102/0x170 [ 4510.710231][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4510.710231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4510.710231][ T10] netlink_rcv_skb+0x130/0x360 [ 4510.710231][ T10] netlink_unicast+0x449/0x710 [ 4510.710231][ T10] netlink_sendmsg+0x723/0xbe0 [ 4510.710231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4510.710231][ T10] ___sys_sendmsg+0xee/0x170 [ 4510.710231][ T10] __sys_sendmsg+0xcd/0x170 [ 4510.710231][ T10] do_syscall_64+0xc6/0x1e0 [ 4510.710231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4510.710231][ T10] [ 4510.711974][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4510.711974][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4510.711974][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4510.711974][ T10] ipv6_find_idev+0x102/0x170 [ 4510.711974][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4510.711974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4510.711974][ T10] netlink_rcv_skb+0x130/0x360 [ 4510.711974][ T10] netlink_unicast+0x449/0x710 [ 4510.711974][ T10] netlink_sendmsg+0x723/0xbe0 [ 4510.711974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4510.711974][ T10] ___sys_sendmsg+0xee/0x170 [ 4510.711974][ T10] __sys_sendmsg+0xcd/0x170 [ 4510.711974][ T10] do_syscall_64+0xc6/0x1e0 [ 4510.711974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4510.711974][ T10] [ 4516.033107][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4516.033579][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4516.033579][ T1167] dst_init+0x84/0x4a0 [ 4516.033579][ T1167] dst_alloc+0x97/0x150 [ 4516.033579][ T1167] ip6_dst_alloc+0x23/0x90 [ 4516.033579][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4516.033579][ T1167] ip6_pol_route+0x56f/0x840 [ 4516.033579][ T1167] fib6_rule_lookup+0x334/0x630 [ 4516.033579][ T1167] ip6_route_output_flags+0x259/0x480 [ 4516.033579][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4516.033579][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4516.033579][ T1167] netlink_rcv_skb+0x130/0x360 [ 4516.033579][ T1167] netlink_unicast+0x449/0x710 [ 4516.033579][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4516.033579][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4516.033579][ T1167] ___sys_sendmsg+0xee/0x170 [ 4516.033579][ T1167] __sys_sendmsg+0xcd/0x170 [ 4516.033579][ T1167] do_syscall_64+0xc6/0x1e0 [ 4516.033579][ T1167] [ 4516.035776][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4516.035776][ T1167] netdev_get_by_index+0x5e/0x80 [ 4516.035776][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4516.035776][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4516.035776][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4516.035776][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4516.035776][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4516.035776][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4516.035776][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4516.035776][ T1167] addrconf_dad_begin+0x310/0x670 [ 4516.035776][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4516.035776][ T1167] process_one_work+0x84d/0x18a0 [ 4516.035776][ T1167] worker_thread+0x587/0xd30 [ 4516.035776][ T1167] kthread+0x28a/0x350 [ 4516.035776][ T1167] ret_from_fork+0x31/0x70 [ 4516.035776][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4516.035776][ T1167] [ 4516.037927][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4516.037927][ T1167] netdev_get_by_index+0x5e/0x80 [ 4516.037927][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4516.037927][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4516.037927][ T1167] ip6_route_add+0x1c/0x140 [ 4516.037927][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4516.037927][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4516.037927][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4516.037927][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4516.037927][ T1167] netlink_rcv_skb+0x130/0x360 [ 4516.037927][ T1167] netlink_unicast+0x449/0x710 [ 4516.037927][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4516.037927][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4516.037927][ T1167] ___sys_sendmsg+0xee/0x170 [ 4516.037927][ T1167] __sys_sendmsg+0xcd/0x170 [ 4516.037927][ T1167] do_syscall_64+0xc6/0x1e0 [ 4516.037927][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4516.037927][ T1167] [ 4516.040156][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4516.040156][ T1167] netdev_get_by_index+0x5e/0x80 [ 4516.040156][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4516.040156][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4516.040156][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4516.040156][ T1167] ipv6_add_addr+0x411/0x2000 [ 4516.040156][ T1167] inet6_addr_add+0x30e/0xa40 [ 4516.040156][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4516.040156][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4516.040156][ T1167] netlink_rcv_skb+0x130/0x360 [ 4516.040156][ T1167] netlink_unicast+0x449/0x710 [ 4516.040156][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4516.040156][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4516.040156][ T1167] ___sys_sendmsg+0xee/0x170 [ 4516.040156][ T1167] __sys_sendmsg+0xcd/0x170 [ 4516.040156][ T1167] do_syscall_64+0xc6/0x1e0 [ 4516.040156][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4516.040156][ T1167] [ 4516.042387][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4516.042387][ T1167] netdev_get_by_index+0x5e/0x80 [ 4516.042387][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4516.042387][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4516.042387][ T1167] ip6_route_add+0x1c/0x140 [ 4516.042387][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4516.042387][ T1167] addrconf_add_dev+0xe2/0x170 [ 4516.042387][ T1167] inet6_addr_add+0x12f/0xa40 [ 4516.042387][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4516.042387][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4516.042387][ T1167] netlink_rcv_skb+0x130/0x360 [ 4516.042387][ T1167] netlink_unicast+0x449/0x710 [ 4516.042387][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4516.042387][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4516.042387][ T1167] ___sys_sendmsg+0xee/0x170 [ 4516.042387][ T1167] __sys_sendmsg+0xcd/0x170 [ 4516.042387][ T1167] do_syscall_64+0xc6/0x1e0 [ 4516.042387][ T1167] [ 4516.044582][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4516.044582][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4516.044582][ T1167] ipv6_find_idev+0x102/0x170 [ 4516.044582][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4516.044582][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4516.044582][ T1167] netlink_rcv_skb+0x130/0x360 [ 4516.044582][ T1167] netlink_unicast+0x449/0x710 [ 4516.044582][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4516.044582][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4516.044582][ T1167] ___sys_sendmsg+0xee/0x170 [ 4516.044582][ T1167] __sys_sendmsg+0xcd/0x170 [ 4516.044582][ T1167] do_syscall_64+0xc6/0x1e0 [ 4516.044582][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4516.044582][ T1167] [ 4516.046295][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4516.046295][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4516.046295][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4516.046295][ T1167] ipv6_find_idev+0x102/0x170 [ 4516.046295][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4516.046295][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4516.046295][ T1167] netlink_rcv_skb+0x130/0x360 [ 4516.046295][ T1167] netlink_unicast+0x449/0x710 [ 4516.046295][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4516.046295][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4516.046295][ T1167] ___sys_sendmsg+0xee/0x170 [ 4516.046295][ T1167] __sys_sendmsg+0xcd/0x170 [ 4516.046295][ T1167] do_syscall_64+0xc6/0x1e0 [ 4516.046295][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4516.046295][ T1167] [ 4520.817109][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4520.817534][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4520.817534][ T10] netdev_get_by_index+0x5e/0x80 [ 4520.817534][ T10] fib6_nh_init+0x3d8/0x1580 [ 4520.817534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4520.817534][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4520.817534][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4520.817534][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4520.817534][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4520.817534][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4520.817534][ T10] addrconf_dad_begin+0x310/0x670 [ 4520.817534][ T10] addrconf_dad_work+0x10b/0xab0 [ 4520.817534][ T10] process_one_work+0x84d/0x18a0 [ 4520.817534][ T10] worker_thread+0x587/0xd30 [ 4520.817534][ T10] kthread+0x28a/0x350 [ 4520.817534][ T10] ret_from_fork+0x31/0x70 [ 4520.817534][ T10] ret_from_fork_asm+0x1a/0x30 [ 4520.817534][ T10] [ 4520.819517][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4520.819517][ T10] netdev_get_by_index+0x5e/0x80 [ 4520.819517][ T10] fib6_nh_init+0x3d8/0x1580 [ 4520.819517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4520.819517][ T10] ip6_route_add+0x1c/0x140 [ 4520.819517][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4520.819517][ T10] inet6_addr_add+0x4f8/0xa40 [ 4520.819517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4520.819517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4520.819517][ T10] netlink_rcv_skb+0x130/0x360 [ 4520.819517][ T10] netlink_unicast+0x449/0x710 [ 4520.819517][ T10] netlink_sendmsg+0x723/0xbe0 [ 4520.819517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4520.819517][ T10] ___sys_sendmsg+0xee/0x170 [ 4520.819517][ T10] __sys_sendmsg+0xcd/0x170 [ 4520.819517][ T10] do_syscall_64+0xc6/0x1e0 [ 4520.819517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4520.819517][ T10] [ 4520.821548][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4520.821548][ T10] netdev_get_by_index+0x5e/0x80 [ 4520.821548][ T10] fib6_nh_init+0x3d8/0x1580 [ 4520.821548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4520.821548][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4520.821548][ T10] ipv6_add_addr+0x411/0x2000 [ 4520.821548][ T10] inet6_addr_add+0x30e/0xa40 [ 4520.821548][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4520.821548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4520.821548][ T10] netlink_rcv_skb+0x130/0x360 [ 4520.821548][ T10] netlink_unicast+0x449/0x710 [ 4520.821548][ T10] netlink_sendmsg+0x723/0xbe0 [ 4520.821548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4520.821548][ T10] ___sys_sendmsg+0xee/0x170 [ 4520.821548][ T10] __sys_sendmsg+0xcd/0x170 [ 4520.821548][ T10] do_syscall_64+0xc6/0x1e0 [ 4520.821548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4520.821548][ T10] [ 4520.823561][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4520.823561][ T10] netdev_get_by_index+0x5e/0x80 [ 4520.823561][ T10] fib6_nh_init+0x3d8/0x1580 [ 4520.823561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4520.823561][ T10] ip6_route_add+0x1c/0x140 [ 4520.823561][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4520.823561][ T10] addrconf_add_dev+0xe2/0x170 [ 4520.823561][ T10] inet6_addr_add+0x12f/0xa40 [ 4520.823561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4520.823561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4520.823561][ T10] netlink_rcv_skb+0x130/0x360 [ 4520.823561][ T10] netlink_unicast+0x449/0x710 [ 4520.823561][ T10] netlink_sendmsg+0x723/0xbe0 [ 4520.823561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4520.823561][ T10] ___sys_sendmsg+0xee/0x170 [ 4520.823561][ T10] __sys_sendmsg+0xcd/0x170 [ 4520.823561][ T10] do_syscall_64+0xc6/0x1e0 [ 4520.823561][ T10] [ 4520.825536][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4520.825536][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4520.825536][ T10] ipv6_find_idev+0x102/0x170 [ 4520.825536][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4520.825536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4520.825536][ T10] netlink_rcv_skb+0x130/0x360 [ 4520.825536][ T10] netlink_unicast+0x449/0x710 [ 4520.825536][ T10] netlink_sendmsg+0x723/0xbe0 [ 4520.825536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4520.825536][ T10] ___sys_sendmsg+0xee/0x170 [ 4520.825536][ T10] __sys_sendmsg+0xcd/0x170 [ 4520.825536][ T10] do_syscall_64+0xc6/0x1e0 [ 4520.825536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4520.825536][ T10] [ 4520.827103][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4520.827103][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4520.827103][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4520.827103][ T10] ipv6_find_idev+0x102/0x170 [ 4520.827103][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4520.827103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4520.827103][ T10] netlink_rcv_skb+0x130/0x360 [ 4520.827103][ T10] netlink_unicast+0x449/0x710 [ 4520.827103][ T10] netlink_sendmsg+0x723/0xbe0 [ 4520.827103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4520.827103][ T10] ___sys_sendmsg+0xee/0x170 [ 4520.827103][ T10] __sys_sendmsg+0xcd/0x170 [ 4520.827103][ T10] do_syscall_64+0xc6/0x1e0 [ 4520.827103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4520.827103][ T10] [ 4520.828838][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4520.829097][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4520.829097][ T10] netdev_get_by_index+0x5e/0x80 [ 4520.829097][ T10] fib6_nh_init+0x3d8/0x1580 [ 4520.829097][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4520.829097][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4520.829097][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4520.829097][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4520.829097][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4520.829097][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4520.829097][ T10] addrconf_dad_begin+0x310/0x670 [ 4520.829097][ T10] addrconf_dad_work+0x10b/0xab0 [ 4520.829097][ T10] process_one_work+0x84d/0x18a0 [ 4520.829097][ T10] worker_thread+0x587/0xd30 [ 4520.829097][ T10] kthread+0x28a/0x350 [ 4520.829097][ T10] ret_from_fork+0x31/0x70 [ 4520.829097][ T10] ret_from_fork_asm+0x1a/0x30 [ 4520.829097][ T10] [ 4520.831045][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4520.831045][ T10] netdev_get_by_index+0x5e/0x80 [ 4520.831045][ T10] fib6_nh_init+0x3d8/0x1580 [ 4520.831045][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4520.831045][ T10] ip6_route_add+0x1c/0x140 [ 4520.831045][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4520.831045][ T10] inet6_addr_add+0x4f8/0xa40 [ 4520.831045][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4520.831045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4520.831045][ T10] netlink_rcv_skb+0x130/0x360 [ 4520.831045][ T10] netlink_unicast+0x449/0x710 [ 4520.831045][ T10] netlink_sendmsg+0x723/0xbe0 [ 4520.831045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4520.831045][ T10] ___sys_sendmsg+0xee/0x170 [ 4520.831045][ T10] __sys_sendmsg+0xcd/0x170 [ 4520.831045][ T10] do_syscall_64+0xc6/0x1e0 [ 4520.831045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4520.831045][ T10] [ 4520.833054][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4520.833054][ T10] netdev_get_by_index+0x5e/0x80 [ 4520.833054][ T10] fib6_nh_init+0x3d8/0x1580 [ 4520.833054][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4520.833054][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4520.833054][ T10] ipv6_add_addr+0x411/0x2000 [ 4520.833054][ T10] inet6_addr_add+0x30e/0xa40 [ 4520.833054][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4520.833054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4520.833054][ T10] netlink_rcv_skb+0x130/0x360 [ 4520.833054][ T10] netlink_unicast+0x449/0x710 [ 4520.833054][ T10] netlink_sendmsg+0x723/0xbe0 [ 4520.833054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4520.833054][ T10] ___sys_sendmsg+0xee/0x170 [ 4520.833054][ T10] __sys_sendmsg+0xcd/0x170 [ 4520.833054][ T10] do_syscall_64+0xc6/0x1e0 [ 4520.833054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4520.833054][ T10] [ 4520.835070][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4520.835070][ T10] netdev_get_by_index+0x5e/0x80 [ 4520.835070][ T10] fib6_nh_init+0x3d8/0x1580 [ 4520.835070][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4520.835070][ T10] ip6_route_add+0x1c/0x140 [ 4520.835070][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4520.835070][ T10] addrconf_add_dev+0xe2/0x170 [ 4520.835070][ T10] inet6_addr_add+0x12f/0xa40 [ 4520.835070][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4520.835070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4520.835070][ T10] netlink_rcv_skb+0x130/0x360 [ 4520.835070][ T10] netlink_unicast+0x449/0x710 [ 4520.835070][ T10] netlink_sendmsg+0x723/0xbe0 [ 4520.835070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4520.835070][ T10] ___sys_sendmsg+0xee/0x170 [ 4520.835070][ T10] __sys_sendmsg+0xcd/0x170 [ 4520.835070][ T10] do_syscall_64+0xc6/0x1e0 [ 4520.835070][ T10] [ 4520.837054][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4520.837054][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4520.837054][ T10] ipv6_find_idev+0x102/0x170 [ 4520.837054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4520.837054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4520.837054][ T10] netlink_rcv_skb+0x130/0x360 [ 4520.837054][ T10] netlink_unicast+0x449/0x710 [ 4520.837054][ T10] netlink_sendmsg+0x723/0xbe0 [ 4520.837054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4520.837054][ T10] ___sys_sendmsg+0xee/0x170 [ 4520.837054][ T10] __sys_sendmsg+0xcd/0x170 [ 4520.837054][ T10] do_syscall_64+0xc6/0x1e0 [ 4520.837054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4520.837054][ T10] [ 4520.838614][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4520.838614][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4520.838614][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4520.838614][ T10] ipv6_find_idev+0x102/0x170 [ 4520.838614][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4520.838614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4520.838614][ T10] netlink_rcv_skb+0x130/0x360 [ 4520.838614][ T10] netlink_unicast+0x449/0x710 [ 4520.838614][ T10] netlink_sendmsg+0x723/0xbe0 [ 4520.838614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4520.838614][ T10] ___sys_sendmsg+0xee/0x170 [ 4520.838614][ T10] __sys_sendmsg+0xcd/0x170 [ 4520.838614][ T10] do_syscall_64+0xc6/0x1e0 [ 4520.838614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4520.838614][ T10] [ 4520.840346][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4520.840589][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4520.840589][ T10] netdev_get_by_index+0x5e/0x80 [ 4520.840589][ T10] fib6_nh_init+0x3d8/0x1580 [ 4520.840589][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4520.840589][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4520.840589][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4520.840589][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4520.840589][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4520.840589][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4520.840589][ T10] addrconf_dad_begin+0x310/0x670 [ 4520.840589][ T10] addrconf_dad_work+0x10b/0xab0 [ 4520.840589][ T10] process_one_work+0x84d/0x18a0 [ 4520.840589][ T10] worker_thread+0x587/0xd30 [ 4520.840589][ T10] kthread+0x28a/0x350 [ 4520.840589][ T10] ret_from_fork+0x31/0x70 [ 4520.840589][ T10] ret_from_fork_asm+0x1a/0x30 [ 4520.840589][ T10] [ 4520.842510][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4520.842510][ T10] netdev_get_by_index+0x5e/0x80 [ 4520.842510][ T10] fib6_nh_init+0x3d8/0x1580 [ 4520.842510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4520.842510][ T10] ip6_route_add+0x1c/0x140 [ 4520.842510][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4520.842510][ T10] inet6_addr_add+0x4f8/0xa40 [ 4520.842510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4520.842510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4520.842510][ T10] netlink_rcv_skb+0x130/0x360 [ 4520.842510][ T10] netlink_unicast+0x449/0x710 [ 4520.842510][ T10] netlink_sendmsg+0x723/0xbe0 [ 4520.842510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4520.842510][ T10] ___sys_sendmsg+0xee/0x170 [ 4520.842510][ T10] __sys_sendmsg+0xcd/0x170 [ 4520.842510][ T10] do_syscall_64+0xc6/0x1e0 [ 4520.842510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4520.842510][ T10] [ 4520.844718][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4520.844718][ T10] netdev_get_by_index+0x5e/0x80 [ 4520.844718][ T10] fib6_nh_init+0x3d8/0x1580 [ 4520.844718][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4520.844718][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4520.844718][ T10] ipv6_add_addr+0x411/0x2000 [ 4520.844718][ T10] inet6_addr_add+0x30e/0xa40 [ 4520.844718][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4520.844718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4520.844718][ T10] netlink_rcv_skb+0x130/0x360 [ 4520.844718][ T10] netlink_unicast+0x449/0x710 [ 4520.844718][ T10] netlink_sendmsg+0x723/0xbe0 [ 4520.844718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4520.844718][ T10] ___sys_sendmsg+0xee/0x170 [ 4520.844718][ T10] __sys_sendmsg+0xcd/0x170 [ 4520.844718][ T10] do_syscall_64+0xc6/0x1e0 [ 4520.844718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4520.844718][ T10] [ 4520.847057][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4520.847057][ T10] netdev_get_by_index+0x5e/0x80 [ 4520.847057][ T10] fib6_nh_init+0x3d8/0x1580 [ 4520.847057][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4520.847057][ T10] ip6_route_add+0x1c/0x140 [ 4520.847057][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4520.847057][ T10] addrconf_add_dev+0xe2/0x170 [ 4520.847057][ T10] inet6_addr_add+0x12f/0xa40 [ 4520.847057][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4520.847057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4520.847057][ T10] netlink_rcv_skb+0x130/0x360 [ 4520.847057][ T10] netlink_unicast+0x449/0x710 [ 4520.847057][ T10] netlink_sendmsg+0x723/0xbe0 [ 4520.847057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4520.847057][ T10] ___sys_sendmsg+0xee/0x170 [ 4520.847057][ T10] __sys_sendmsg+0xcd/0x170 [ 4520.847057][ T10] do_syscall_64+0xc6/0x1e0 [ 4520.847057][ T10] [ 4520.849270][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4520.849270][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4520.849270][ T10] ipv6_find_idev+0x102/0x170 [ 4520.849270][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4520.849270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4520.849270][ T10] netlink_rcv_skb+0x130/0x360 [ 4520.849270][ T10] netlink_unicast+0x449/0x710 [ 4520.849270][ T10] netlink_sendmsg+0x723/0xbe0 [ 4520.849270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4520.849270][ T10] ___sys_sendmsg+0xee/0x170 [ 4520.849270][ T10] __sys_sendmsg+0xcd/0x170 [ 4520.849270][ T10] do_syscall_64+0xc6/0x1e0 [ 4520.849270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4520.849270][ T10] [ 4520.851004][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4520.851004][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4520.851004][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4520.851004][ T10] ipv6_find_idev+0x102/0x170 [ 4520.851004][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4520.851004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4520.851004][ T10] netlink_rcv_skb+0x130/0x360 [ 4520.851004][ T10] netlink_unicast+0x449/0x710 [ 4520.851004][ T10] netlink_sendmsg+0x723/0xbe0 [ 4520.851004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4520.851004][ T10] ___sys_sendmsg+0xee/0x170 [ 4520.851004][ T10] __sys_sendmsg+0xcd/0x170 [ 4520.851004][ T10] do_syscall_64+0xc6/0x1e0 [ 4520.851004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4520.851004][ T10] [ 4520.853292][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4520.853958][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4520.853958][ T10] netdev_get_by_index+0x5e/0x80 [ 4520.853958][ T10] fib6_nh_init+0x3d8/0x1580 [ 4520.853958][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4520.853958][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4520.853958][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4520.853958][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4520.853958][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4520.853958][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4520.853958][ T10] addrconf_dad_begin+0x310/0x670 [ 4520.853958][ T10] addrconf_dad_work+0x10b/0xab0 [ 4520.853958][ T10] process_one_work+0x84d/0x18a0 [ 4520.853958][ T10] worker_thread+0x587/0xd30 [ 4520.853958][ T10] kthread+0x28a/0x350 [ 4520.853958][ T10] ret_from_fork+0x31/0x70 [ 4520.853958][ T10] ret_from_fork_asm+0x1a/0x30 [ 4520.853958][ T10] [ 4520.855893][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4520.855893][ T10] netdev_get_by_index+0x5e/0x80 [ 4520.855893][ T10] fib6_nh_init+0x3d8/0x1580 [ 4520.855893][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4520.855893][ T10] ip6_route_add+0x1c/0x140 [ 4520.855893][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4520.855893][ T10] inet6_addr_add+0x4f8/0xa40 [ 4520.855893][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4520.855893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4520.855893][ T10] netlink_rcv_skb+0x130/0x360 [ 4520.855893][ T10] netlink_unicast+0x449/0x710 [ 4520.855893][ T10] netlink_sendmsg+0x723/0xbe0 [ 4520.855893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4520.855893][ T10] ___sys_sendmsg+0xee/0x170 [ 4520.855893][ T10] __sys_sendmsg+0xcd/0x170 [ 4520.855893][ T10] do_syscall_64+0xc6/0x1e0 [ 4520.855893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4520.855893][ T10] [ 4520.857937][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4520.857937][ T10] netdev_get_by_index+0x5e/0x80 [ 4520.857937][ T10] fib6_nh_init+0x3d8/0x1580 [ 4520.857937][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4520.857937][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4520.857937][ T10] ipv6_add_addr+0x411/0x2000 [ 4520.857937][ T10] inet6_addr_add+0x30e/0xa40 [ 4520.857937][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4520.857937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4520.857937][ T10] netlink_rcv_skb+0x130/0x360 [ 4520.857937][ T10] netlink_unicast+0x449/0x710 [ 4520.857937][ T10] netlink_sendmsg+0x723/0xbe0 [ 4520.857937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4520.857937][ T10] ___sys_sendmsg+0xee/0x170 [ 4520.857937][ T10] __sys_sendmsg+0xcd/0x170 [ 4520.857937][ T10] do_syscall_64+0xc6/0x1e0 [ 4520.857937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4520.857937][ T10] [ 4520.859930][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4520.859930][ T10] netdev_get_by_index+0x5e/0x80 [ 4520.859930][ T10] fib6_nh_init+0x3d8/0x1580 [ 4520.859930][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4520.859930][ T10] ip6_route_add+0x1c/0x140 [ 4520.859930][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4520.859930][ T10] addrconf_add_dev+0xe2/0x170 [ 4520.859930][ T10] inet6_addr_add+0x12f/0xa40 [ 4520.859930][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4520.859930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4520.859930][ T10] netlink_rcv_skb+0x130/0x360 [ 4520.859930][ T10] netlink_unicast+0x449/0x710 [ 4520.859930][ T10] netlink_sendmsg+0x723/0xbe0 [ 4520.859930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4520.859930][ T10] ___sys_sendmsg+0xee/0x170 [ 4520.859930][ T10] __sys_sendmsg+0xcd/0x170 [ 4520.859930][ T10] do_syscall_64+0xc6/0x1e0 [ 4520.859930][ T10] [ 4520.862076][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4520.862076][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4520.862076][ T10] ipv6_find_idev+0x102/0x170 [ 4520.862076][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4520.862076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4520.862076][ T10] netlink_rcv_skb+0x130/0x360 [ 4520.862076][ T10] netlink_unicast+0x449/0x710 [ 4520.862076][ T10] netlink_sendmsg+0x723/0xbe0 [ 4520.862076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4520.862076][ T10] ___sys_sendmsg+0xee/0x170 [ 4520.862076][ T10] __sys_sendmsg+0xcd/0x170 [ 4520.862076][ T10] do_syscall_64+0xc6/0x1e0 [ 4520.862076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4520.862076][ T10] [ 4520.863861][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4520.863861][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4520.863861][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4520.863861][ T10] ipv6_find_idev+0x102/0x170 [ 4520.863861][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4520.863861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4520.863861][ T10] netlink_rcv_skb+0x130/0x360 [ 4520.863861][ T10] netlink_unicast+0x449/0x710 [ 4520.863861][ T10] netlink_sendmsg+0x723/0xbe0 [ 4520.863861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4520.863861][ T10] ___sys_sendmsg+0xee/0x170 [ 4520.863861][ T10] __sys_sendmsg+0xcd/0x170 [ 4520.863861][ T10] do_syscall_64+0xc6/0x1e0 [ 4520.863861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4520.863861][ T10] [ 4526.289163][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4526.289631][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4526.289631][ T1167] dst_init+0x84/0x4a0 [ 4526.289631][ T1167] dst_alloc+0x97/0x150 [ 4526.289631][ T1167] ip6_dst_alloc+0x23/0x90 [ 4526.289631][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4526.289631][ T1167] ip6_pol_route+0x56f/0x840 [ 4526.289631][ T1167] fib6_rule_lookup+0x334/0x630 [ 4526.289631][ T1167] ip6_route_output_flags+0x259/0x480 [ 4526.289631][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4526.289631][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4526.289631][ T1167] netlink_rcv_skb+0x130/0x360 [ 4526.289631][ T1167] netlink_unicast+0x449/0x710 [ 4526.289631][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4526.289631][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4526.289631][ T1167] ___sys_sendmsg+0xee/0x170 [ 4526.289631][ T1167] __sys_sendmsg+0xcd/0x170 [ 4526.289631][ T1167] do_syscall_64+0xc6/0x1e0 [ 4526.289631][ T1167] [ 4526.291827][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4526.291827][ T1167] netdev_get_by_index+0x5e/0x80 [ 4526.291827][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4526.291827][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4526.291827][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4526.291827][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4526.291827][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4526.291827][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4526.291827][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4526.291827][ T1167] addrconf_dad_begin+0x310/0x670 [ 4526.291827][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4526.291827][ T1167] process_one_work+0x84d/0x18a0 [ 4526.291827][ T1167] worker_thread+0x587/0xd30 [ 4526.291827][ T1167] kthread+0x28a/0x350 [ 4526.291827][ T1167] ret_from_fork+0x31/0x70 [ 4526.291827][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4526.291827][ T1167] [ 4526.294004][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4526.294004][ T1167] netdev_get_by_index+0x5e/0x80 [ 4526.294004][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4526.294004][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4526.294004][ T1167] ip6_route_add+0x1c/0x140 [ 4526.294004][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4526.294004][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4526.294004][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4526.294004][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4526.294004][ T1167] netlink_rcv_skb+0x130/0x360 [ 4526.294004][ T1167] netlink_unicast+0x449/0x710 [ 4526.294004][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4526.294004][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4526.294004][ T1167] ___sys_sendmsg+0xee/0x170 [ 4526.294004][ T1167] __sys_sendmsg+0xcd/0x170 [ 4526.294004][ T1167] do_syscall_64+0xc6/0x1e0 [ 4526.294004][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4526.294004][ T1167] [ 4526.296247][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4526.296247][ T1167] netdev_get_by_index+0x5e/0x80 [ 4526.296247][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4526.296247][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4526.296247][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4526.296247][ T1167] ipv6_add_addr+0x411/0x2000 [ 4526.296247][ T1167] inet6_addr_add+0x30e/0xa40 [ 4526.296247][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4526.296247][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4526.296247][ T1167] netlink_rcv_skb+0x130/0x360 [ 4526.296247][ T1167] netlink_unicast+0x449/0x710 [ 4526.296247][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4526.296247][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4526.296247][ T1167] ___sys_sendmsg+0xee/0x170 [ 4526.296247][ T1167] __sys_sendmsg+0xcd/0x170 [ 4526.296247][ T1167] do_syscall_64+0xc6/0x1e0 [ 4526.296247][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4526.296247][ T1167] [ 4526.298487][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4526.298487][ T1167] netdev_get_by_index+0x5e/0x80 [ 4526.298487][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4526.298487][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4526.298487][ T1167] ip6_route_add+0x1c/0x140 [ 4526.298487][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4526.298487][ T1167] addrconf_add_dev+0xe2/0x170 [ 4526.298487][ T1167] inet6_addr_add+0x12f/0xa40 [ 4526.298487][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4526.298487][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4526.298487][ T1167] netlink_rcv_skb+0x130/0x360 [ 4526.298487][ T1167] netlink_unicast+0x449/0x710 [ 4526.298487][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4526.298487][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4526.298487][ T1167] ___sys_sendmsg+0xee/0x170 [ 4526.298487][ T1167] __sys_sendmsg+0xcd/0x170 [ 4526.298487][ T1167] do_syscall_64+0xc6/0x1e0 [ 4526.298487][ T1167] [ 4526.300677][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4526.300677][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4526.300677][ T1167] ipv6_find_idev+0x102/0x170 [ 4526.300677][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4526.300677][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4526.300677][ T1167] netlink_rcv_skb+0x130/0x360 [ 4526.300677][ T1167] netlink_unicast+0x449/0x710 [ 4526.300677][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4526.300677][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4526.300677][ T1167] ___sys_sendmsg+0xee/0x170 [ 4526.300677][ T1167] __sys_sendmsg+0xcd/0x170 [ 4526.300677][ T1167] do_syscall_64+0xc6/0x1e0 [ 4526.300677][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4526.300677][ T1167] [ 4526.302394][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4526.302394][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4526.302394][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4526.302394][ T1167] ipv6_find_idev+0x102/0x170 [ 4526.302394][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4526.302394][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4526.302394][ T1167] netlink_rcv_skb+0x130/0x360 [ 4526.302394][ T1167] netlink_unicast+0x449/0x710 [ 4526.302394][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4526.302394][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4526.302394][ T1167] ___sys_sendmsg+0xee/0x170 [ 4526.302394][ T1167] __sys_sendmsg+0xcd/0x170 [ 4526.302394][ T1167] do_syscall_64+0xc6/0x1e0 [ 4526.302394][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4526.302394][ T1167] [ 4531.105119][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4531.105547][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4531.105547][ T10] netdev_get_by_index+0x5e/0x80 [ 4531.105547][ T10] fib6_nh_init+0x3d8/0x1580 [ 4531.105547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4531.105547][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4531.105547][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4531.105547][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4531.105547][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4531.105547][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4531.105547][ T10] addrconf_dad_begin+0x310/0x670 [ 4531.105547][ T10] addrconf_dad_work+0x10b/0xab0 [ 4531.105547][ T10] process_one_work+0x84d/0x18a0 [ 4531.105547][ T10] worker_thread+0x587/0xd30 [ 4531.105547][ T10] kthread+0x28a/0x350 [ 4531.105547][ T10] ret_from_fork+0x31/0x70 [ 4531.105547][ T10] ret_from_fork_asm+0x1a/0x30 [ 4531.105547][ T10] [ 4531.107505][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4531.107505][ T10] netdev_get_by_index+0x5e/0x80 [ 4531.107505][ T10] fib6_nh_init+0x3d8/0x1580 [ 4531.107505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4531.107505][ T10] ip6_route_add+0x1c/0x140 [ 4531.107505][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4531.107505][ T10] inet6_addr_add+0x4f8/0xa40 [ 4531.107505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4531.107505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4531.107505][ T10] netlink_rcv_skb+0x130/0x360 [ 4531.107505][ T10] netlink_unicast+0x449/0x710 [ 4531.107505][ T10] netlink_sendmsg+0x723/0xbe0 [ 4531.107505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4531.107505][ T10] ___sys_sendmsg+0xee/0x170 [ 4531.107505][ T10] __sys_sendmsg+0xcd/0x170 [ 4531.107505][ T10] do_syscall_64+0xc6/0x1e0 [ 4531.107505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4531.107505][ T10] [ 4531.109516][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4531.109516][ T10] netdev_get_by_index+0x5e/0x80 [ 4531.109516][ T10] fib6_nh_init+0x3d8/0x1580 [ 4531.109516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4531.109516][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4531.109516][ T10] ipv6_add_addr+0x411/0x2000 [ 4531.109516][ T10] inet6_addr_add+0x30e/0xa40 [ 4531.109516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4531.109516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4531.109516][ T10] netlink_rcv_skb+0x130/0x360 [ 4531.109516][ T10] netlink_unicast+0x449/0x710 [ 4531.109516][ T10] netlink_sendmsg+0x723/0xbe0 [ 4531.109516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4531.109516][ T10] ___sys_sendmsg+0xee/0x170 [ 4531.109516][ T10] __sys_sendmsg+0xcd/0x170 [ 4531.109516][ T10] do_syscall_64+0xc6/0x1e0 [ 4531.109516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4531.109516][ T10] [ 4531.111520][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4531.111520][ T10] netdev_get_by_index+0x5e/0x80 [ 4531.111520][ T10] fib6_nh_init+0x3d8/0x1580 [ 4531.111520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4531.111520][ T10] ip6_route_add+0x1c/0x140 [ 4531.111520][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4531.111520][ T10] addrconf_add_dev+0xe2/0x170 [ 4531.111520][ T10] inet6_addr_add+0x12f/0xa40 [ 4531.111520][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4531.111520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4531.111520][ T10] netlink_rcv_skb+0x130/0x360 [ 4531.111520][ T10] netlink_unicast+0x449/0x710 [ 4531.111520][ T10] netlink_sendmsg+0x723/0xbe0 [ 4531.111520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4531.111520][ T10] ___sys_sendmsg+0xee/0x170 [ 4531.111520][ T10] __sys_sendmsg+0xcd/0x170 [ 4531.111520][ T10] do_syscall_64+0xc6/0x1e0 [ 4531.111520][ T10] [ 4531.113486][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4531.113486][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4531.113486][ T10] ipv6_find_idev+0x102/0x170 [ 4531.113486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4531.113486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4531.113486][ T10] netlink_rcv_skb+0x130/0x360 [ 4531.113486][ T10] netlink_unicast+0x449/0x710 [ 4531.113486][ T10] netlink_sendmsg+0x723/0xbe0 [ 4531.113486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4531.113486][ T10] ___sys_sendmsg+0xee/0x170 [ 4531.113486][ T10] __sys_sendmsg+0xcd/0x170 [ 4531.113486][ T10] do_syscall_64+0xc6/0x1e0 [ 4531.113486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4531.113486][ T10] [ 4531.115034][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4531.115034][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4531.115034][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4531.115034][ T10] ipv6_find_idev+0x102/0x170 [ 4531.115034][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4531.115034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4531.115034][ T10] netlink_rcv_skb+0x130/0x360 [ 4531.115034][ T10] netlink_unicast+0x449/0x710 [ 4531.115034][ T10] netlink_sendmsg+0x723/0xbe0 [ 4531.115034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4531.115034][ T10] ___sys_sendmsg+0xee/0x170 [ 4531.115034][ T10] __sys_sendmsg+0xcd/0x170 [ 4531.115034][ T10] do_syscall_64+0xc6/0x1e0 [ 4531.115034][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4531.115034][ T10] [ 4531.116753][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4531.117043][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4531.117043][ T10] netdev_get_by_index+0x5e/0x80 [ 4531.117043][ T10] fib6_nh_init+0x3d8/0x1580 [ 4531.117043][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4531.117043][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4531.117043][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4531.117043][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4531.117043][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4531.117043][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4531.117043][ T10] addrconf_dad_begin+0x310/0x670 [ 4531.117043][ T10] addrconf_dad_work+0x10b/0xab0 [ 4531.117043][ T10] process_one_work+0x84d/0x18a0 [ 4531.117043][ T10] worker_thread+0x587/0xd30 [ 4531.117043][ T10] kthread+0x28a/0x350 [ 4531.117043][ T10] ret_from_fork+0x31/0x70 [ 4531.117043][ T10] ret_from_fork_asm+0x1a/0x30 [ 4531.117043][ T10] [ 4531.118969][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4531.118969][ T10] netdev_get_by_index+0x5e/0x80 [ 4531.118969][ T10] fib6_nh_init+0x3d8/0x1580 [ 4531.118969][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4531.118969][ T10] ip6_route_add+0x1c/0x140 [ 4531.118969][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4531.118969][ T10] inet6_addr_add+0x4f8/0xa40 [ 4531.118969][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4531.118969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4531.118969][ T10] netlink_rcv_skb+0x130/0x360 [ 4531.118969][ T10] netlink_unicast+0x449/0x710 [ 4531.118969][ T10] netlink_sendmsg+0x723/0xbe0 [ 4531.118969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4531.118969][ T10] ___sys_sendmsg+0xee/0x170 [ 4531.118969][ T10] __sys_sendmsg+0xcd/0x170 [ 4531.118969][ T10] do_syscall_64+0xc6/0x1e0 [ 4531.118969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4531.118969][ T10] [ 4531.120969][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4531.120969][ T10] netdev_get_by_index+0x5e/0x80 [ 4531.120969][ T10] fib6_nh_init+0x3d8/0x1580 [ 4531.120969][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4531.120969][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4531.120969][ T10] ipv6_add_addr+0x411/0x2000 [ 4531.120969][ T10] inet6_addr_add+0x30e/0xa40 [ 4531.120969][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4531.120969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4531.120969][ T10] netlink_rcv_skb+0x130/0x360 [ 4531.120969][ T10] netlink_unicast+0x449/0x710 [ 4531.120969][ T10] netlink_sendmsg+0x723/0xbe0 [ 4531.120969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4531.120969][ T10] ___sys_sendmsg+0xee/0x170 [ 4531.120969][ T10] __sys_sendmsg+0xcd/0x170 [ 4531.120969][ T10] do_syscall_64+0xc6/0x1e0 [ 4531.120969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4531.120969][ T10] [ 4531.122972][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4531.122972][ T10] netdev_get_by_index+0x5e/0x80 [ 4531.122972][ T10] fib6_nh_init+0x3d8/0x1580 [ 4531.122972][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4531.122972][ T10] ip6_route_add+0x1c/0x140 [ 4531.122972][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4531.122972][ T10] addrconf_add_dev+0xe2/0x170 [ 4531.122972][ T10] inet6_addr_add+0x12f/0xa40 [ 4531.122972][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4531.122972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4531.122972][ T10] netlink_rcv_skb+0x130/0x360 [ 4531.122972][ T10] netlink_unicast+0x449/0x710 [ 4531.122972][ T10] netlink_sendmsg+0x723/0xbe0 [ 4531.122972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4531.122972][ T10] ___sys_sendmsg+0xee/0x170 [ 4531.122972][ T10] __sys_sendmsg+0xcd/0x170 [ 4531.122972][ T10] do_syscall_64+0xc6/0x1e0 [ 4531.122972][ T10] [ 4531.124939][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4531.124939][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4531.124939][ T10] ipv6_find_idev+0x102/0x170 [ 4531.124939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4531.124939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4531.124939][ T10] netlink_rcv_skb+0x130/0x360 [ 4531.124939][ T10] netlink_unicast+0x449/0x710 [ 4531.124939][ T10] netlink_sendmsg+0x723/0xbe0 [ 4531.124939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4531.124939][ T10] ___sys_sendmsg+0xee/0x170 [ 4531.124939][ T10] __sys_sendmsg+0xcd/0x170 [ 4531.124939][ T10] do_syscall_64+0xc6/0x1e0 [ 4531.124939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4531.124939][ T10] [ 4531.126479][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4531.126479][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4531.126479][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4531.126479][ T10] ipv6_find_idev+0x102/0x170 [ 4531.126479][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4531.126479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4531.126479][ T10] netlink_rcv_skb+0x130/0x360 [ 4531.126479][ T10] netlink_unicast+0x449/0x710 [ 4531.126479][ T10] netlink_sendmsg+0x723/0xbe0 [ 4531.126479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4531.126479][ T10] ___sys_sendmsg+0xee/0x170 [ 4531.126479][ T10] __sys_sendmsg+0xcd/0x170 [ 4531.126479][ T10] do_syscall_64+0xc6/0x1e0 [ 4531.126479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4531.126479][ T10] [ 4531.128174][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4531.128418][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4531.128418][ T10] netdev_get_by_index+0x5e/0x80 [ 4531.128418][ T10] fib6_nh_init+0x3d8/0x1580 [ 4531.128418][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4531.128418][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4531.128418][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4531.128418][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4531.128418][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4531.128418][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4531.128418][ T10] addrconf_dad_begin+0x310/0x670 [ 4531.128418][ T10] addrconf_dad_work+0x10b/0xab0 [ 4531.128418][ T10] process_one_work+0x84d/0x18a0 [ 4531.128418][ T10] worker_thread+0x587/0xd30 [ 4531.128418][ T10] kthread+0x28a/0x350 [ 4531.128418][ T10] ret_from_fork+0x31/0x70 [ 4531.128418][ T10] ret_from_fork_asm+0x1a/0x30 [ 4531.128418][ T10] [ 4531.130332][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4531.130332][ T10] netdev_get_by_index+0x5e/0x80 [ 4531.130332][ T10] fib6_nh_init+0x3d8/0x1580 [ 4531.130332][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4531.130332][ T10] ip6_route_add+0x1c/0x140 [ 4531.130332][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4531.130332][ T10] inet6_addr_add+0x4f8/0xa40 [ 4531.130332][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4531.130332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4531.130332][ T10] netlink_rcv_skb+0x130/0x360 [ 4531.130332][ T10] netlink_unicast+0x449/0x710 [ 4531.130332][ T10] netlink_sendmsg+0x723/0xbe0 [ 4531.130332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4531.130332][ T10] ___sys_sendmsg+0xee/0x170 [ 4531.130332][ T10] __sys_sendmsg+0xcd/0x170 [ 4531.130332][ T10] do_syscall_64+0xc6/0x1e0 [ 4531.130332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4531.130332][ T10] [ 4531.132517][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4531.132517][ T10] netdev_get_by_index+0x5e/0x80 [ 4531.132517][ T10] fib6_nh_init+0x3d8/0x1580 [ 4531.132517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4531.132517][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4531.132517][ T10] ipv6_add_addr+0x411/0x2000 [ 4531.132517][ T10] inet6_addr_add+0x30e/0xa40 [ 4531.132517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4531.132517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4531.132517][ T10] netlink_rcv_skb+0x130/0x360 [ 4531.132517][ T10] netlink_unicast+0x449/0x710 [ 4531.132517][ T10] netlink_sendmsg+0x723/0xbe0 [ 4531.132517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4531.132517][ T10] ___sys_sendmsg+0xee/0x170 [ 4531.132517][ T10] __sys_sendmsg+0xcd/0x170 [ 4531.132517][ T10] do_syscall_64+0xc6/0x1e0 [ 4531.132517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4531.132517][ T10] [ 4531.134776][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4531.134776][ T10] netdev_get_by_index+0x5e/0x80 [ 4531.134776][ T10] fib6_nh_init+0x3d8/0x1580 [ 4531.134776][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4531.134776][ T10] ip6_route_add+0x1c/0x140 [ 4531.134776][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4531.134776][ T10] addrconf_add_dev+0xe2/0x170 [ 4531.134776][ T10] inet6_addr_add+0x12f/0xa40 [ 4531.134776][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4531.134776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4531.134776][ T10] netlink_rcv_skb+0x130/0x360 [ 4531.134776][ T10] netlink_unicast+0x449/0x710 [ 4531.134776][ T10] netlink_sendmsg+0x723/0xbe0 [ 4531.134776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4531.134776][ T10] ___sys_sendmsg+0xee/0x170 [ 4531.134776][ T10] __sys_sendmsg+0xcd/0x170 [ 4531.134776][ T10] do_syscall_64+0xc6/0x1e0 [ 4531.134776][ T10] [ 4531.137045][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4531.137045][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4531.137045][ T10] ipv6_find_idev+0x102/0x170 [ 4531.137045][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4531.137045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4531.137045][ T10] netlink_rcv_skb+0x130/0x360 [ 4531.137045][ T10] netlink_unicast+0x449/0x710 [ 4531.137045][ T10] netlink_sendmsg+0x723/0xbe0 [ 4531.137045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4531.137045][ T10] ___sys_sendmsg+0xee/0x170 [ 4531.137045][ T10] __sys_sendmsg+0xcd/0x170 [ 4531.137045][ T10] do_syscall_64+0xc6/0x1e0 [ 4531.137045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4531.137045][ T10] [ 4531.138787][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4531.138787][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4531.138787][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4531.138787][ T10] ipv6_find_idev+0x102/0x170 [ 4531.138787][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4531.138787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4531.138787][ T10] netlink_rcv_skb+0x130/0x360 [ 4531.138787][ T10] netlink_unicast+0x449/0x710 [ 4531.138787][ T10] netlink_sendmsg+0x723/0xbe0 [ 4531.138787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4531.138787][ T10] ___sys_sendmsg+0xee/0x170 [ 4531.138787][ T10] __sys_sendmsg+0xcd/0x170 [ 4531.138787][ T10] do_syscall_64+0xc6/0x1e0 [ 4531.138787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4531.138787][ T10] [ 4531.140679][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4531.140925][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4531.140925][ T10] netdev_get_by_index+0x5e/0x80 [ 4531.140925][ T10] fib6_nh_init+0x3d8/0x1580 [ 4531.140925][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4531.140925][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4531.140925][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4531.140925][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4531.140925][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4531.140925][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4531.140925][ T10] addrconf_dad_begin+0x310/0x670 [ 4531.140925][ T10] addrconf_dad_work+0x10b/0xab0 [ 4531.140925][ T10] process_one_work+0x84d/0x18a0 [ 4531.140925][ T10] worker_thread+0x587/0xd30 [ 4531.140925][ T10] kthread+0x28a/0x350 [ 4531.140925][ T10] ret_from_fork+0x31/0x70 [ 4531.140925][ T10] ret_from_fork_asm+0x1a/0x30 [ 4531.140925][ T10] [ 4531.143092][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4531.143092][ T10] netdev_get_by_index+0x5e/0x80 [ 4531.143092][ T10] fib6_nh_init+0x3d8/0x1580 [ 4531.143092][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4531.143092][ T10] ip6_route_add+0x1c/0x140 [ 4531.143092][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4531.143092][ T10] inet6_addr_add+0x4f8/0xa40 [ 4531.143092][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4531.143092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4531.143092][ T10] netlink_rcv_skb+0x130/0x360 [ 4531.143092][ T10] netlink_unicast+0x449/0x710 [ 4531.143092][ T10] netlink_sendmsg+0x723/0xbe0 [ 4531.143092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4531.143092][ T10] ___sys_sendmsg+0xee/0x170 [ 4531.143092][ T10] __sys_sendmsg+0xcd/0x170 [ 4531.143092][ T10] do_syscall_64+0xc6/0x1e0 [ 4531.143092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4531.143092][ T10] [ 4531.145427][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4531.145427][ T10] netdev_get_by_index+0x5e/0x80 [ 4531.145427][ T10] fib6_nh_init+0x3d8/0x1580 [ 4531.145427][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4531.145427][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4531.145427][ T10] ipv6_add_addr+0x411/0x2000 [ 4531.145427][ T10] inet6_addr_add+0x30e/0xa40 [ 4531.145427][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4531.145427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4531.145427][ T10] netlink_rcv_skb+0x130/0x360 [ 4531.145427][ T10] netlink_unicast+0x449/0x710 [ 4531.145427][ T10] netlink_sendmsg+0x723/0xbe0 [ 4531.145427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4531.145427][ T10] ___sys_sendmsg+0xee/0x170 [ 4531.145427][ T10] __sys_sendmsg+0xcd/0x170 [ 4531.145427][ T10] do_syscall_64+0xc6/0x1e0 [ 4531.145427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4531.145427][ T10] [ 4531.147633][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4531.147633][ T10] netdev_get_by_index+0x5e/0x80 [ 4531.147633][ T10] fib6_nh_init+0x3d8/0x1580 [ 4531.147633][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4531.147633][ T10] ip6_route_add+0x1c/0x140 [ 4531.147633][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4531.147633][ T10] addrconf_add_dev+0xe2/0x170 [ 4531.147633][ T10] inet6_addr_add+0x12f/0xa40 [ 4531.147633][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4531.147633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4531.147633][ T10] netlink_rcv_skb+0x130/0x360 [ 4531.147633][ T10] netlink_unicast+0x449/0x710 [ 4531.147633][ T10] netlink_sendmsg+0x723/0xbe0 [ 4531.147633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4531.147633][ T10] ___sys_sendmsg+0xee/0x170 [ 4531.147633][ T10] __sys_sendmsg+0xcd/0x170 [ 4531.147633][ T10] do_syscall_64+0xc6/0x1e0 [ 4531.147633][ T10] [ 4531.149860][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4531.149860][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4531.149860][ T10] ipv6_find_idev+0x102/0x170 [ 4531.149860][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4531.149860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4531.149860][ T10] netlink_rcv_skb+0x130/0x360 [ 4531.149860][ T10] netlink_unicast+0x449/0x710 [ 4531.149860][ T10] netlink_sendmsg+0x723/0xbe0 [ 4531.149860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4531.149860][ T10] ___sys_sendmsg+0xee/0x170 [ 4531.149860][ T10] __sys_sendmsg+0xcd/0x170 [ 4531.149860][ T10] do_syscall_64+0xc6/0x1e0 [ 4531.149860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4531.149860][ T10] [ 4531.151594][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4531.151594][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4531.151594][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4531.151594][ T10] ipv6_find_idev+0x102/0x170 [ 4531.151594][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4531.151594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4531.151594][ T10] netlink_rcv_skb+0x130/0x360 [ 4531.151594][ T10] netlink_unicast+0x449/0x710 [ 4531.151594][ T10] netlink_sendmsg+0x723/0xbe0 [ 4531.151594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4531.151594][ T10] ___sys_sendmsg+0xee/0x170 [ 4531.151594][ T10] __sys_sendmsg+0xcd/0x170 [ 4531.151594][ T10] do_syscall_64+0xc6/0x1e0 [ 4531.151594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4531.151594][ T10] [ 4536.545107][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4536.545609][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4536.545609][ T1167] dst_init+0x84/0x4a0 [ 4536.545609][ T1167] dst_alloc+0x97/0x150 [ 4536.545609][ T1167] ip6_dst_alloc+0x23/0x90 [ 4536.545609][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4536.545609][ T1167] ip6_pol_route+0x56f/0x840 [ 4536.545609][ T1167] fib6_rule_lookup+0x334/0x630 [ 4536.545609][ T1167] ip6_route_output_flags+0x259/0x480 [ 4536.545609][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4536.545609][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4536.545609][ T1167] netlink_rcv_skb+0x130/0x360 [ 4536.545609][ T1167] netlink_unicast+0x449/0x710 [ 4536.545609][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4536.545609][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4536.545609][ T1167] ___sys_sendmsg+0xee/0x170 [ 4536.545609][ T1167] __sys_sendmsg+0xcd/0x170 [ 4536.545609][ T1167] do_syscall_64+0xc6/0x1e0 [ 4536.545609][ T1167] [ 4536.547824][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4536.547824][ T1167] netdev_get_by_index+0x5e/0x80 [ 4536.547824][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4536.547824][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4536.547824][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4536.547824][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4536.547824][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4536.547824][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4536.547824][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4536.547824][ T1167] addrconf_dad_begin+0x310/0x670 [ 4536.547824][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4536.547824][ T1167] process_one_work+0x84d/0x18a0 [ 4536.547824][ T1167] worker_thread+0x587/0xd30 [ 4536.547824][ T1167] kthread+0x28a/0x350 [ 4536.547824][ T1167] ret_from_fork+0x31/0x70 [ 4536.547824][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4536.547824][ T1167] [ 4536.549962][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4536.549962][ T1167] netdev_get_by_index+0x5e/0x80 [ 4536.549962][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4536.549962][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4536.549962][ T1167] ip6_route_add+0x1c/0x140 [ 4536.549962][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4536.549962][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4536.549962][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4536.549962][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4536.549962][ T1167] netlink_rcv_skb+0x130/0x360 [ 4536.549962][ T1167] netlink_unicast+0x449/0x710 [ 4536.549962][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4536.549962][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4536.549962][ T1167] ___sys_sendmsg+0xee/0x170 [ 4536.549962][ T1167] __sys_sendmsg+0xcd/0x170 [ 4536.549962][ T1167] do_syscall_64+0xc6/0x1e0 [ 4536.549962][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4536.549962][ T1167] [ 4536.552189][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4536.552189][ T1167] netdev_get_by_index+0x5e/0x80 [ 4536.552189][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4536.552189][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4536.552189][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4536.552189][ T1167] ipv6_add_addr+0x411/0x2000 [ 4536.552189][ T1167] inet6_addr_add+0x30e/0xa40 [ 4536.552189][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4536.552189][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4536.552189][ T1167] netlink_rcv_skb+0x130/0x360 [ 4536.552189][ T1167] netlink_unicast+0x449/0x710 [ 4536.552189][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4536.552189][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4536.552189][ T1167] ___sys_sendmsg+0xee/0x170 [ 4536.552189][ T1167] __sys_sendmsg+0xcd/0x170 [ 4536.552189][ T1167] do_syscall_64+0xc6/0x1e0 [ 4536.552189][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4536.552189][ T1167] [ 4536.554416][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4536.554416][ T1167] netdev_get_by_index+0x5e/0x80 [ 4536.554416][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4536.554416][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4536.554416][ T1167] ip6_route_add+0x1c/0x140 [ 4536.554416][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4536.554416][ T1167] addrconf_add_dev+0xe2/0x170 [ 4536.554416][ T1167] inet6_addr_add+0x12f/0xa40 [ 4536.554416][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4536.554416][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4536.554416][ T1167] netlink_rcv_skb+0x130/0x360 [ 4536.554416][ T1167] netlink_unicast+0x449/0x710 [ 4536.554416][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4536.554416][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4536.554416][ T1167] ___sys_sendmsg+0xee/0x170 [ 4536.554416][ T1167] __sys_sendmsg+0xcd/0x170 [ 4536.554416][ T1167] do_syscall_64+0xc6/0x1e0 [ 4536.554416][ T1167] [ 4536.556611][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4536.556611][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4536.556611][ T1167] ipv6_find_idev+0x102/0x170 [ 4536.556611][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4536.556611][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4536.556611][ T1167] netlink_rcv_skb+0x130/0x360 [ 4536.556611][ T1167] netlink_unicast+0x449/0x710 [ 4536.556611][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4536.556611][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4536.556611][ T1167] ___sys_sendmsg+0xee/0x170 [ 4536.556611][ T1167] __sys_sendmsg+0xcd/0x170 [ 4536.556611][ T1167] do_syscall_64+0xc6/0x1e0 [ 4536.556611][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4536.556611][ T1167] [ 4536.558323][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4536.558323][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4536.558323][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4536.558323][ T1167] ipv6_find_idev+0x102/0x170 [ 4536.558323][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4536.558323][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4536.558323][ T1167] netlink_rcv_skb+0x130/0x360 [ 4536.558323][ T1167] netlink_unicast+0x449/0x710 [ 4536.558323][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4536.558323][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4536.558323][ T1167] ___sys_sendmsg+0xee/0x170 [ 4536.558323][ T1167] __sys_sendmsg+0xcd/0x170 [ 4536.558323][ T1167] do_syscall_64+0xc6/0x1e0 [ 4536.558323][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4536.558323][ T1167] [ 4541.393055][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4541.393509][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4541.393509][ T10] netdev_get_by_index+0x5e/0x80 [ 4541.393509][ T10] fib6_nh_init+0x3d8/0x1580 [ 4541.393509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4541.393509][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4541.393509][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4541.393509][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4541.393509][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4541.393509][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4541.393509][ T10] addrconf_dad_begin+0x310/0x670 [ 4541.393509][ T10] addrconf_dad_work+0x10b/0xab0 [ 4541.393509][ T10] process_one_work+0x84d/0x18a0 [ 4541.393509][ T10] worker_thread+0x587/0xd30 [ 4541.393509][ T10] kthread+0x28a/0x350 [ 4541.393509][ T10] ret_from_fork+0x31/0x70 [ 4541.393509][ T10] ret_from_fork_asm+0x1a/0x30 [ 4541.393509][ T10] [ 4541.395484][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4541.395484][ T10] netdev_get_by_index+0x5e/0x80 [ 4541.395484][ T10] fib6_nh_init+0x3d8/0x1580 [ 4541.395484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4541.395484][ T10] ip6_route_add+0x1c/0x140 [ 4541.395484][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4541.395484][ T10] inet6_addr_add+0x4f8/0xa40 [ 4541.395484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4541.395484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4541.395484][ T10] netlink_rcv_skb+0x130/0x360 [ 4541.395484][ T10] netlink_unicast+0x449/0x710 [ 4541.395484][ T10] netlink_sendmsg+0x723/0xbe0 [ 4541.395484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4541.395484][ T10] ___sys_sendmsg+0xee/0x170 [ 4541.395484][ T10] __sys_sendmsg+0xcd/0x170 [ 4541.395484][ T10] do_syscall_64+0xc6/0x1e0 [ 4541.395484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4541.395484][ T10] [ 4541.397543][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4541.397543][ T10] netdev_get_by_index+0x5e/0x80 [ 4541.397543][ T10] fib6_nh_init+0x3d8/0x1580 [ 4541.397543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4541.397543][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4541.397543][ T10] ipv6_add_addr+0x411/0x2000 [ 4541.397543][ T10] inet6_addr_add+0x30e/0xa40 [ 4541.397543][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4541.397543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4541.397543][ T10] netlink_rcv_skb+0x130/0x360 [ 4541.397543][ T10] netlink_unicast+0x449/0x710 [ 4541.397543][ T10] netlink_sendmsg+0x723/0xbe0 [ 4541.397543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4541.397543][ T10] ___sys_sendmsg+0xee/0x170 [ 4541.397543][ T10] __sys_sendmsg+0xcd/0x170 [ 4541.397543][ T10] do_syscall_64+0xc6/0x1e0 [ 4541.397543][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4541.397543][ T10] [ 4541.399559][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4541.399559][ T10] netdev_get_by_index+0x5e/0x80 [ 4541.399559][ T10] fib6_nh_init+0x3d8/0x1580 [ 4541.399559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4541.399559][ T10] ip6_route_add+0x1c/0x140 [ 4541.399559][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4541.399559][ T10] addrconf_add_dev+0xe2/0x170 [ 4541.399559][ T10] inet6_addr_add+0x12f/0xa40 [ 4541.399559][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4541.399559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4541.399559][ T10] netlink_rcv_skb+0x130/0x360 [ 4541.399559][ T10] netlink_unicast+0x449/0x710 [ 4541.399559][ T10] netlink_sendmsg+0x723/0xbe0 [ 4541.399559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4541.399559][ T10] ___sys_sendmsg+0xee/0x170 [ 4541.399559][ T10] __sys_sendmsg+0xcd/0x170 [ 4541.399559][ T10] do_syscall_64+0xc6/0x1e0 [ 4541.399559][ T10] [ 4541.401559][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4541.401559][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4541.401559][ T10] ipv6_find_idev+0x102/0x170 [ 4541.401559][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4541.401559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4541.401559][ T10] netlink_rcv_skb+0x130/0x360 [ 4541.401559][ T10] netlink_unicast+0x449/0x710 [ 4541.401559][ T10] netlink_sendmsg+0x723/0xbe0 [ 4541.401559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4541.401559][ T10] ___sys_sendmsg+0xee/0x170 [ 4541.401559][ T10] __sys_sendmsg+0xcd/0x170 [ 4541.401559][ T10] do_syscall_64+0xc6/0x1e0 [ 4541.401559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4541.401559][ T10] [ 4541.403120][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4541.403120][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4541.403120][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4541.403120][ T10] ipv6_find_idev+0x102/0x170 [ 4541.403120][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4541.403120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4541.403120][ T10] netlink_rcv_skb+0x130/0x360 [ 4541.403120][ T10] netlink_unicast+0x449/0x710 [ 4541.403120][ T10] netlink_sendmsg+0x723/0xbe0 [ 4541.403120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4541.403120][ T10] ___sys_sendmsg+0xee/0x170 [ 4541.403120][ T10] __sys_sendmsg+0xcd/0x170 [ 4541.403120][ T10] do_syscall_64+0xc6/0x1e0 [ 4541.403120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4541.403120][ T10] [ 4541.404840][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4541.405099][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4541.405099][ T10] netdev_get_by_index+0x5e/0x80 [ 4541.405099][ T10] fib6_nh_init+0x3d8/0x1580 [ 4541.405099][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4541.405099][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4541.405099][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4541.405099][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4541.405099][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4541.405099][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4541.405099][ T10] addrconf_dad_begin+0x310/0x670 [ 4541.405099][ T10] addrconf_dad_work+0x10b/0xab0 [ 4541.405099][ T10] process_one_work+0x84d/0x18a0 [ 4541.405099][ T10] worker_thread+0x587/0xd30 [ 4541.405099][ T10] kthread+0x28a/0x350 [ 4541.405099][ T10] ret_from_fork+0x31/0x70 [ 4541.405099][ T10] ret_from_fork_asm+0x1a/0x30 [ 4541.405099][ T10] [ 4541.407169][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4541.407169][ T10] netdev_get_by_index+0x5e/0x80 [ 4541.407169][ T10] fib6_nh_init+0x3d8/0x1580 [ 4541.407169][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4541.407169][ T10] ip6_route_add+0x1c/0x140 [ 4541.407169][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4541.407169][ T10] inet6_addr_add+0x4f8/0xa40 [ 4541.407169][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4541.407169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4541.407169][ T10] netlink_rcv_skb+0x130/0x360 [ 4541.407169][ T10] netlink_unicast+0x449/0x710 [ 4541.407169][ T10] netlink_sendmsg+0x723/0xbe0 [ 4541.407169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4541.407169][ T10] ___sys_sendmsg+0xee/0x170 [ 4541.407169][ T10] __sys_sendmsg+0xcd/0x170 [ 4541.407169][ T10] do_syscall_64+0xc6/0x1e0 [ 4541.407169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4541.407169][ T10] [ 4541.409200][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4541.409200][ T10] netdev_get_by_index+0x5e/0x80 [ 4541.409200][ T10] fib6_nh_init+0x3d8/0x1580 [ 4541.409200][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4541.409200][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4541.409200][ T10] ipv6_add_addr+0x411/0x2000 [ 4541.409200][ T10] inet6_addr_add+0x30e/0xa40 [ 4541.409200][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4541.409200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4541.409200][ T10] netlink_rcv_skb+0x130/0x360 [ 4541.409200][ T10] netlink_unicast+0x449/0x710 [ 4541.409200][ T10] netlink_sendmsg+0x723/0xbe0 [ 4541.409200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4541.409200][ T10] ___sys_sendmsg+0xee/0x170 [ 4541.409200][ T10] __sys_sendmsg+0xcd/0x170 [ 4541.409200][ T10] do_syscall_64+0xc6/0x1e0 [ 4541.409200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4541.409200][ T10] [ 4541.411216][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4541.411216][ T10] netdev_get_by_index+0x5e/0x80 [ 4541.411216][ T10] fib6_nh_init+0x3d8/0x1580 [ 4541.411216][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4541.411216][ T10] ip6_route_add+0x1c/0x140 [ 4541.411216][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4541.411216][ T10] addrconf_add_dev+0xe2/0x170 [ 4541.411216][ T10] inet6_addr_add+0x12f/0xa40 [ 4541.411216][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4541.411216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4541.411216][ T10] netlink_rcv_skb+0x130/0x360 [ 4541.411216][ T10] netlink_unicast+0x449/0x710 [ 4541.411216][ T10] netlink_sendmsg+0x723/0xbe0 [ 4541.411216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4541.411216][ T10] ___sys_sendmsg+0xee/0x170 [ 4541.411216][ T10] __sys_sendmsg+0xcd/0x170 [ 4541.411216][ T10] do_syscall_64+0xc6/0x1e0 [ 4541.411216][ T10] [ 4541.413202][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4541.413202][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4541.413202][ T10] ipv6_find_idev+0x102/0x170 [ 4541.413202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4541.413202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4541.413202][ T10] netlink_rcv_skb+0x130/0x360 [ 4541.413202][ T10] netlink_unicast+0x449/0x710 [ 4541.413202][ T10] netlink_sendmsg+0x723/0xbe0 [ 4541.413202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4541.413202][ T10] ___sys_sendmsg+0xee/0x170 [ 4541.413202][ T10] __sys_sendmsg+0xcd/0x170 [ 4541.413202][ T10] do_syscall_64+0xc6/0x1e0 [ 4541.413202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4541.413202][ T10] [ 4541.414765][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4541.414765][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4541.414765][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4541.414765][ T10] ipv6_find_idev+0x102/0x170 [ 4541.414765][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4541.414765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4541.414765][ T10] netlink_rcv_skb+0x130/0x360 [ 4541.414765][ T10] netlink_unicast+0x449/0x710 [ 4541.414765][ T10] netlink_sendmsg+0x723/0xbe0 [ 4541.414765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4541.414765][ T10] ___sys_sendmsg+0xee/0x170 [ 4541.414765][ T10] __sys_sendmsg+0xcd/0x170 [ 4541.414765][ T10] do_syscall_64+0xc6/0x1e0 [ 4541.414765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4541.414765][ T10] [ 4541.416475][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4541.416723][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4541.416723][ T10] netdev_get_by_index+0x5e/0x80 [ 4541.416723][ T10] fib6_nh_init+0x3d8/0x1580 [ 4541.416723][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4541.416723][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4541.416723][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4541.416723][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4541.416723][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4541.416723][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4541.416723][ T10] addrconf_dad_begin+0x310/0x670 [ 4541.416723][ T10] addrconf_dad_work+0x10b/0xab0 [ 4541.416723][ T10] process_one_work+0x84d/0x18a0 [ 4541.416723][ T10] worker_thread+0x587/0xd30 [ 4541.416723][ T10] kthread+0x28a/0x350 [ 4541.416723][ T10] ret_from_fork+0x31/0x70 [ 4541.416723][ T10] ret_from_fork_asm+0x1a/0x30 [ 4541.416723][ T10] [ 4541.418669][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4541.418669][ T10] netdev_get_by_index+0x5e/0x80 [ 4541.418669][ T10] fib6_nh_init+0x3d8/0x1580 [ 4541.418669][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4541.418669][ T10] ip6_route_add+0x1c/0x140 [ 4541.418669][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4541.418669][ T10] inet6_addr_add+0x4f8/0xa40 [ 4541.418669][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4541.418669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4541.418669][ T10] netlink_rcv_skb+0x130/0x360 [ 4541.418669][ T10] netlink_unicast+0x449/0x710 [ 4541.418669][ T10] netlink_sendmsg+0x723/0xbe0 [ 4541.418669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4541.418669][ T10] ___sys_sendmsg+0xee/0x170 [ 4541.418669][ T10] __sys_sendmsg+0xcd/0x170 [ 4541.418669][ T10] do_syscall_64+0xc6/0x1e0 [ 4541.418669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4541.418669][ T10] [ 4541.420817][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4541.420817][ T10] netdev_get_by_index+0x5e/0x80 [ 4541.420817][ T10] fib6_nh_init+0x3d8/0x1580 [ 4541.420817][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4541.420817][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4541.420817][ T10] ipv6_add_addr+0x411/0x2000 [ 4541.420817][ T10] inet6_addr_add+0x30e/0xa40 [ 4541.420817][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4541.420817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4541.420817][ T10] netlink_rcv_skb+0x130/0x360 [ 4541.420817][ T10] netlink_unicast+0x449/0x710 [ 4541.420817][ T10] netlink_sendmsg+0x723/0xbe0 [ 4541.420817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4541.420817][ T10] ___sys_sendmsg+0xee/0x170 [ 4541.420817][ T10] __sys_sendmsg+0xcd/0x170 [ 4541.420817][ T10] do_syscall_64+0xc6/0x1e0 [ 4541.420817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4541.420817][ T10] [ 4541.422994][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4541.422994][ T10] netdev_get_by_index+0x5e/0x80 [ 4541.422994][ T10] fib6_nh_init+0x3d8/0x1580 [ 4541.422994][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4541.422994][ T10] ip6_route_add+0x1c/0x140 [ 4541.422994][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4541.422994][ T10] addrconf_add_dev+0xe2/0x170 [ 4541.422994][ T10] inet6_addr_add+0x12f/0xa40 [ 4541.422994][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4541.422994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4541.422994][ T10] netlink_rcv_skb+0x130/0x360 [ 4541.422994][ T10] netlink_unicast+0x449/0x710 [ 4541.422994][ T10] netlink_sendmsg+0x723/0xbe0 [ 4541.422994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4541.422994][ T10] ___sys_sendmsg+0xee/0x170 [ 4541.422994][ T10] __sys_sendmsg+0xcd/0x170 [ 4541.422994][ T10] do_syscall_64+0xc6/0x1e0 [ 4541.422994][ T10] [ 4541.425146][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4541.425146][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4541.425146][ T10] ipv6_find_idev+0x102/0x170 [ 4541.425146][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4541.425146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4541.425146][ T10] netlink_rcv_skb+0x130/0x360 [ 4541.425146][ T10] netlink_unicast+0x449/0x710 [ 4541.425146][ T10] netlink_sendmsg+0x723/0xbe0 [ 4541.425146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4541.425146][ T10] ___sys_sendmsg+0xee/0x170 [ 4541.425146][ T10] __sys_sendmsg+0xcd/0x170 [ 4541.425146][ T10] do_syscall_64+0xc6/0x1e0 [ 4541.425146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4541.425146][ T10] [ 4541.426850][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4541.426850][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4541.426850][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4541.426850][ T10] ipv6_find_idev+0x102/0x170 [ 4541.426850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4541.426850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4541.426850][ T10] netlink_rcv_skb+0x130/0x360 [ 4541.426850][ T10] netlink_unicast+0x449/0x710 [ 4541.426850][ T10] netlink_sendmsg+0x723/0xbe0 [ 4541.426850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4541.426850][ T10] ___sys_sendmsg+0xee/0x170 [ 4541.426850][ T10] __sys_sendmsg+0xcd/0x170 [ 4541.426850][ T10] do_syscall_64+0xc6/0x1e0 [ 4541.426850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4541.426850][ T10] [ 4541.428639][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4541.428892][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4541.428892][ T10] netdev_get_by_index+0x5e/0x80 [ 4541.428892][ T10] fib6_nh_init+0x3d8/0x1580 [ 4541.428892][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4541.428892][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4541.428892][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4541.428892][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4541.428892][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4541.428892][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4541.428892][ T10] addrconf_dad_begin+0x310/0x670 [ 4541.428892][ T10] addrconf_dad_work+0x10b/0xab0 [ 4541.428892][ T10] process_one_work+0x84d/0x18a0 [ 4541.428892][ T10] worker_thread+0x587/0xd30 [ 4541.428892][ T10] kthread+0x28a/0x350 [ 4541.428892][ T10] ret_from_fork+0x31/0x70 [ 4541.428892][ T10] ret_from_fork_asm+0x1a/0x30 [ 4541.428892][ T10] [ 4541.430985][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4541.430985][ T10] netdev_get_by_index+0x5e/0x80 [ 4541.430985][ T10] fib6_nh_init+0x3d8/0x1580 [ 4541.430985][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4541.430985][ T10] ip6_route_add+0x1c/0x140 [ 4541.430985][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4541.430985][ T10] inet6_addr_add+0x4f8/0xa40 [ 4541.430985][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4541.430985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4541.430985][ T10] netlink_rcv_skb+0x130/0x360 [ 4541.430985][ T10] netlink_unicast+0x449/0x710 [ 4541.430985][ T10] netlink_sendmsg+0x723/0xbe0 [ 4541.430985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4541.430985][ T10] ___sys_sendmsg+0xee/0x170 [ 4541.430985][ T10] __sys_sendmsg+0xcd/0x170 [ 4541.430985][ T10] do_syscall_64+0xc6/0x1e0 [ 4541.430985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4541.430985][ T10] [ 4541.433137][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4541.433137][ T10] netdev_get_by_index+0x5e/0x80 [ 4541.433137][ T10] fib6_nh_init+0x3d8/0x1580 [ 4541.433137][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4541.433137][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4541.433137][ T10] ipv6_add_addr+0x411/0x2000 [ 4541.433137][ T10] inet6_addr_add+0x30e/0xa40 [ 4541.433137][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4541.433137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4541.433137][ T10] netlink_rcv_skb+0x130/0x360 [ 4541.433137][ T10] netlink_unicast+0x449/0x710 [ 4541.433137][ T10] netlink_sendmsg+0x723/0xbe0 [ 4541.433137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4541.433137][ T10] ___sys_sendmsg+0xee/0x170 [ 4541.433137][ T10] __sys_sendmsg+0xcd/0x170 [ 4541.433137][ T10] do_syscall_64+0xc6/0x1e0 [ 4541.433137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4541.433137][ T10] [ 4541.435294][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4541.435294][ T10] netdev_get_by_index+0x5e/0x80 [ 4541.435294][ T10] fib6_nh_init+0x3d8/0x1580 [ 4541.435294][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4541.435294][ T10] ip6_route_add+0x1c/0x140 [ 4541.435294][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4541.435294][ T10] addrconf_add_dev+0xe2/0x170 [ 4541.435294][ T10] inet6_addr_add+0x12f/0xa40 [ 4541.435294][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4541.435294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4541.435294][ T10] netlink_rcv_skb+0x130/0x360 [ 4541.435294][ T10] netlink_unicast+0x449/0x710 [ 4541.435294][ T10] netlink_sendmsg+0x723/0xbe0 [ 4541.435294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4541.435294][ T10] ___sys_sendmsg+0xee/0x170 [ 4541.435294][ T10] __sys_sendmsg+0xcd/0x170 [ 4541.435294][ T10] do_syscall_64+0xc6/0x1e0 [ 4541.435294][ T10] [ 4541.437414][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4541.437414][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4541.437414][ T10] ipv6_find_idev+0x102/0x170 [ 4541.437414][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4541.437414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4541.437414][ T10] netlink_rcv_skb+0x130/0x360 [ 4541.437414][ T10] netlink_unicast+0x449/0x710 [ 4541.437414][ T10] netlink_sendmsg+0x723/0xbe0 [ 4541.437414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4541.437414][ T10] ___sys_sendmsg+0xee/0x170 [ 4541.437414][ T10] __sys_sendmsg+0xcd/0x170 [ 4541.437414][ T10] do_syscall_64+0xc6/0x1e0 [ 4541.437414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4541.437414][ T10] [ 4541.439032][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4541.439032][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4541.439032][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4541.439032][ T10] ipv6_find_idev+0x102/0x170 [ 4541.439032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4541.439032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4541.439032][ T10] netlink_rcv_skb+0x130/0x360 [ 4541.439032][ T10] netlink_unicast+0x449/0x710 [ 4541.439032][ T10] netlink_sendmsg+0x723/0xbe0 [ 4541.439032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4541.439032][ T10] ___sys_sendmsg+0xee/0x170 [ 4541.439032][ T10] __sys_sendmsg+0xcd/0x170 [ 4541.439032][ T10] do_syscall_64+0xc6/0x1e0 [ 4541.439032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4541.439032][ T10] [ 4546.801049][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4546.801568][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4546.801568][ T1167] dst_init+0x84/0x4a0 [ 4546.801568][ T1167] dst_alloc+0x97/0x150 [ 4546.801568][ T1167] ip6_dst_alloc+0x23/0x90 [ 4546.801568][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4546.801568][ T1167] ip6_pol_route+0x56f/0x840 [ 4546.801568][ T1167] fib6_rule_lookup+0x334/0x630 [ 4546.801568][ T1167] ip6_route_output_flags+0x259/0x480 [ 4546.801568][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4546.801568][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4546.801568][ T1167] netlink_rcv_skb+0x130/0x360 [ 4546.801568][ T1167] netlink_unicast+0x449/0x710 [ 4546.801568][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4546.801568][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4546.801568][ T1167] ___sys_sendmsg+0xee/0x170 [ 4546.801568][ T1167] __sys_sendmsg+0xcd/0x170 [ 4546.801568][ T1167] do_syscall_64+0xc6/0x1e0 [ 4546.801568][ T1167] [ 4546.803770][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4546.803770][ T1167] netdev_get_by_index+0x5e/0x80 [ 4546.803770][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4546.803770][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4546.803770][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4546.803770][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4546.803770][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4546.803770][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4546.803770][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4546.803770][ T1167] addrconf_dad_begin+0x310/0x670 [ 4546.803770][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4546.803770][ T1167] process_one_work+0x84d/0x18a0 [ 4546.803770][ T1167] worker_thread+0x587/0xd30 [ 4546.803770][ T1167] kthread+0x28a/0x350 [ 4546.803770][ T1167] ret_from_fork+0x31/0x70 [ 4546.803770][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4546.803770][ T1167] [ 4546.805944][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4546.805944][ T1167] netdev_get_by_index+0x5e/0x80 [ 4546.805944][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4546.805944][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4546.805944][ T1167] ip6_route_add+0x1c/0x140 [ 4546.805944][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4546.805944][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4546.805944][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4546.805944][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4546.805944][ T1167] netlink_rcv_skb+0x130/0x360 [ 4546.805944][ T1167] netlink_unicast+0x449/0x710 [ 4546.805944][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4546.805944][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4546.805944][ T1167] ___sys_sendmsg+0xee/0x170 [ 4546.805944][ T1167] __sys_sendmsg+0xcd/0x170 [ 4546.805944][ T1167] do_syscall_64+0xc6/0x1e0 [ 4546.805944][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4546.805944][ T1167] [ 4546.808303][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4546.808303][ T1167] netdev_get_by_index+0x5e/0x80 [ 4546.808303][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4546.808303][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4546.808303][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4546.808303][ T1167] ipv6_add_addr+0x411/0x2000 [ 4546.808303][ T1167] inet6_addr_add+0x30e/0xa40 [ 4546.808303][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4546.808303][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4546.808303][ T1167] netlink_rcv_skb+0x130/0x360 [ 4546.808303][ T1167] netlink_unicast+0x449/0x710 [ 4546.808303][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4546.808303][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4546.808303][ T1167] ___sys_sendmsg+0xee/0x170 [ 4546.808303][ T1167] __sys_sendmsg+0xcd/0x170 [ 4546.808303][ T1167] do_syscall_64+0xc6/0x1e0 [ 4546.808303][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4546.808303][ T1167] [ 4546.810568][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4546.810568][ T1167] netdev_get_by_index+0x5e/0x80 [ 4546.810568][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4546.810568][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4546.810568][ T1167] ip6_route_add+0x1c/0x140 [ 4546.810568][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4546.810568][ T1167] addrconf_add_dev+0xe2/0x170 [ 4546.810568][ T1167] inet6_addr_add+0x12f/0xa40 [ 4546.810568][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4546.810568][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4546.810568][ T1167] netlink_rcv_skb+0x130/0x360 [ 4546.810568][ T1167] netlink_unicast+0x449/0x710 [ 4546.810568][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4546.810568][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4546.810568][ T1167] ___sys_sendmsg+0xee/0x170 [ 4546.810568][ T1167] __sys_sendmsg+0xcd/0x170 [ 4546.810568][ T1167] do_syscall_64+0xc6/0x1e0 [ 4546.810568][ T1167] [ 4546.812772][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4546.812772][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4546.812772][ T1167] ipv6_find_idev+0x102/0x170 [ 4546.812772][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4546.812772][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4546.812772][ T1167] netlink_rcv_skb+0x130/0x360 [ 4546.812772][ T1167] netlink_unicast+0x449/0x710 [ 4546.812772][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4546.812772][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4546.812772][ T1167] ___sys_sendmsg+0xee/0x170 [ 4546.812772][ T1167] __sys_sendmsg+0xcd/0x170 [ 4546.812772][ T1167] do_syscall_64+0xc6/0x1e0 [ 4546.812772][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4546.812772][ T1167] [ 4546.814500][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4546.814500][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4546.814500][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4546.814500][ T1167] ipv6_find_idev+0x102/0x170 [ 4546.814500][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4546.814500][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4546.814500][ T1167] netlink_rcv_skb+0x130/0x360 [ 4546.814500][ T1167] netlink_unicast+0x449/0x710 [ 4546.814500][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4546.814500][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4546.814500][ T1167] ___sys_sendmsg+0xee/0x170 [ 4546.814500][ T1167] __sys_sendmsg+0xcd/0x170 [ 4546.814500][ T1167] do_syscall_64+0xc6/0x1e0 [ 4546.814500][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4546.814500][ T1167] [ 4551.489118][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4551.489552][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4551.489552][ T10] netdev_get_by_index+0x5e/0x80 [ 4551.489552][ T10] fib6_nh_init+0x3d8/0x1580 [ 4551.489552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4551.489552][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4551.489552][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4551.489552][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4551.489552][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4551.489552][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4551.489552][ T10] addrconf_dad_begin+0x310/0x670 [ 4551.489552][ T10] addrconf_dad_work+0x10b/0xab0 [ 4551.489552][ T10] process_one_work+0x84d/0x18a0 [ 4551.489552][ T10] worker_thread+0x587/0xd30 [ 4551.489552][ T10] kthread+0x28a/0x350 [ 4551.489552][ T10] ret_from_fork+0x31/0x70 [ 4551.489552][ T10] ret_from_fork_asm+0x1a/0x30 [ 4551.489552][ T10] [ 4551.492047][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4551.492047][ T10] netdev_get_by_index+0x5e/0x80 [ 4551.492047][ T10] fib6_nh_init+0x3d8/0x1580 [ 4551.492047][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4551.492047][ T10] ip6_route_add+0x1c/0x140 [ 4551.492047][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4551.492047][ T10] inet6_addr_add+0x4f8/0xa40 [ 4551.492047][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4551.492047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4551.492047][ T10] netlink_rcv_skb+0x130/0x360 [ 4551.492047][ T10] netlink_unicast+0x449/0x710 [ 4551.492047][ T10] netlink_sendmsg+0x723/0xbe0 [ 4551.492047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4551.492047][ T10] ___sys_sendmsg+0xee/0x170 [ 4551.492047][ T10] __sys_sendmsg+0xcd/0x170 [ 4551.492047][ T10] do_syscall_64+0xc6/0x1e0 [ 4551.492047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4551.492047][ T10] [ 4551.494093][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4551.494093][ T10] netdev_get_by_index+0x5e/0x80 [ 4551.494093][ T10] fib6_nh_init+0x3d8/0x1580 [ 4551.494093][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4551.494093][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4551.494093][ T10] ipv6_add_addr+0x411/0x2000 [ 4551.494093][ T10] inet6_addr_add+0x30e/0xa40 [ 4551.494093][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4551.494093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4551.494093][ T10] netlink_rcv_skb+0x130/0x360 [ 4551.494093][ T10] netlink_unicast+0x449/0x710 [ 4551.494093][ T10] netlink_sendmsg+0x723/0xbe0 [ 4551.494093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4551.494093][ T10] ___sys_sendmsg+0xee/0x170 [ 4551.494093][ T10] __sys_sendmsg+0xcd/0x170 [ 4551.494093][ T10] do_syscall_64+0xc6/0x1e0 [ 4551.494093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4551.494093][ T10] [ 4551.496130][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4551.496130][ T10] netdev_get_by_index+0x5e/0x80 [ 4551.496130][ T10] fib6_nh_init+0x3d8/0x1580 [ 4551.496130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4551.496130][ T10] ip6_route_add+0x1c/0x140 [ 4551.496130][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4551.496130][ T10] addrconf_add_dev+0xe2/0x170 [ 4551.496130][ T10] inet6_addr_add+0x12f/0xa40 [ 4551.496130][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4551.496130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4551.496130][ T10] netlink_rcv_skb+0x130/0x360 [ 4551.496130][ T10] netlink_unicast+0x449/0x710 [ 4551.496130][ T10] netlink_sendmsg+0x723/0xbe0 [ 4551.496130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4551.496130][ T10] ___sys_sendmsg+0xee/0x170 [ 4551.496130][ T10] __sys_sendmsg+0xcd/0x170 [ 4551.496130][ T10] do_syscall_64+0xc6/0x1e0 [ 4551.496130][ T10] [ 4551.498128][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4551.498128][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4551.498128][ T10] ipv6_find_idev+0x102/0x170 [ 4551.498128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4551.498128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4551.498128][ T10] netlink_rcv_skb+0x130/0x360 [ 4551.498128][ T10] netlink_unicast+0x449/0x710 [ 4551.498128][ T10] netlink_sendmsg+0x723/0xbe0 [ 4551.498128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4551.498128][ T10] ___sys_sendmsg+0xee/0x170 [ 4551.498128][ T10] __sys_sendmsg+0xcd/0x170 [ 4551.498128][ T10] do_syscall_64+0xc6/0x1e0 [ 4551.498128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4551.498128][ T10] [ 4551.499695][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4551.499695][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4551.499695][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4551.499695][ T10] ipv6_find_idev+0x102/0x170 [ 4551.499695][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4551.499695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4551.499695][ T10] netlink_rcv_skb+0x130/0x360 [ 4551.499695][ T10] netlink_unicast+0x449/0x710 [ 4551.499695][ T10] netlink_sendmsg+0x723/0xbe0 [ 4551.499695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4551.499695][ T10] ___sys_sendmsg+0xee/0x170 [ 4551.499695][ T10] __sys_sendmsg+0xcd/0x170 [ 4551.499695][ T10] do_syscall_64+0xc6/0x1e0 [ 4551.499695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4551.499695][ T10] [ 4551.501418][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4551.501705][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4551.501705][ T10] netdev_get_by_index+0x5e/0x80 [ 4551.501705][ T10] fib6_nh_init+0x3d8/0x1580 [ 4551.501705][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4551.501705][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4551.501705][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4551.501705][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4551.501705][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4551.501705][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4551.501705][ T10] addrconf_dad_begin+0x310/0x670 [ 4551.501705][ T10] addrconf_dad_work+0x10b/0xab0 [ 4551.501705][ T10] process_one_work+0x84d/0x18a0 [ 4551.501705][ T10] worker_thread+0x587/0xd30 [ 4551.501705][ T10] kthread+0x28a/0x350 [ 4551.501705][ T10] ret_from_fork+0x31/0x70 [ 4551.501705][ T10] ret_from_fork_asm+0x1a/0x30 [ 4551.501705][ T10] [ 4551.503638][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4551.503638][ T10] netdev_get_by_index+0x5e/0x80 [ 4551.503638][ T10] fib6_nh_init+0x3d8/0x1580 [ 4551.503638][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4551.503638][ T10] ip6_route_add+0x1c/0x140 [ 4551.503638][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4551.503638][ T10] inet6_addr_add+0x4f8/0xa40 [ 4551.503638][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4551.503638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4551.503638][ T10] netlink_rcv_skb+0x130/0x360 [ 4551.503638][ T10] netlink_unicast+0x449/0x710 [ 4551.503638][ T10] netlink_sendmsg+0x723/0xbe0 [ 4551.503638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4551.503638][ T10] ___sys_sendmsg+0xee/0x170 [ 4551.503638][ T10] __sys_sendmsg+0xcd/0x170 [ 4551.503638][ T10] do_syscall_64+0xc6/0x1e0 [ 4551.503638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4551.503638][ T10] [ 4551.505672][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4551.505672][ T10] netdev_get_by_index+0x5e/0x80 [ 4551.505672][ T10] fib6_nh_init+0x3d8/0x1580 [ 4551.505672][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4551.505672][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4551.505672][ T10] ipv6_add_addr+0x411/0x2000 [ 4551.505672][ T10] inet6_addr_add+0x30e/0xa40 [ 4551.505672][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4551.505672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4551.505672][ T10] netlink_rcv_skb+0x130/0x360 [ 4551.505672][ T10] netlink_unicast+0x449/0x710 [ 4551.505672][ T10] netlink_sendmsg+0x723/0xbe0 [ 4551.505672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4551.505672][ T10] ___sys_sendmsg+0xee/0x170 [ 4551.505672][ T10] __sys_sendmsg+0xcd/0x170 [ 4551.505672][ T10] do_syscall_64+0xc6/0x1e0 [ 4551.505672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4551.505672][ T10] [ 4551.507702][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4551.507702][ T10] netdev_get_by_index+0x5e/0x80 [ 4551.507702][ T10] fib6_nh_init+0x3d8/0x1580 [ 4551.507702][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4551.507702][ T10] ip6_route_add+0x1c/0x140 [ 4551.507702][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4551.507702][ T10] addrconf_add_dev+0xe2/0x170 [ 4551.507702][ T10] inet6_addr_add+0x12f/0xa40 [ 4551.507702][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4551.507702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4551.507702][ T10] netlink_rcv_skb+0x130/0x360 [ 4551.507702][ T10] netlink_unicast+0x449/0x710 [ 4551.507702][ T10] netlink_sendmsg+0x723/0xbe0 [ 4551.507702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4551.507702][ T10] ___sys_sendmsg+0xee/0x170 [ 4551.507702][ T10] __sys_sendmsg+0xcd/0x170 [ 4551.507702][ T10] do_syscall_64+0xc6/0x1e0 [ 4551.507702][ T10] [ 4551.515340][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4551.515340][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4551.515340][ T10] ipv6_find_idev+0x102/0x170 [ 4551.515340][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4551.515340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4551.515340][ T10] netlink_rcv_skb+0x130/0x360 [ 4551.515340][ T10] netlink_unicast+0x449/0x710 [ 4551.515340][ T10] netlink_sendmsg+0x723/0xbe0 [ 4551.515340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4551.515340][ T10] ___sys_sendmsg+0xee/0x170 [ 4551.515340][ T10] __sys_sendmsg+0xcd/0x170 [ 4551.515340][ T10] do_syscall_64+0xc6/0x1e0 [ 4551.515340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4551.515340][ T10] [ 4551.516921][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4551.516921][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4551.516921][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4551.516921][ T10] ipv6_find_idev+0x102/0x170 [ 4551.516921][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4551.516921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4551.516921][ T10] netlink_rcv_skb+0x130/0x360 [ 4551.516921][ T10] netlink_unicast+0x449/0x710 [ 4551.516921][ T10] netlink_sendmsg+0x723/0xbe0 [ 4551.516921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4551.516921][ T10] ___sys_sendmsg+0xee/0x170 [ 4551.516921][ T10] __sys_sendmsg+0xcd/0x170 [ 4551.516921][ T10] do_syscall_64+0xc6/0x1e0 [ 4551.516921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4551.516921][ T10] [ 4551.518650][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4551.518908][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4551.518908][ T10] netdev_get_by_index+0x5e/0x80 [ 4551.518908][ T10] fib6_nh_init+0x3d8/0x1580 [ 4551.518908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4551.518908][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4551.518908][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4551.518908][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4551.518908][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4551.518908][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4551.518908][ T10] addrconf_dad_begin+0x310/0x670 [ 4551.518908][ T10] addrconf_dad_work+0x10b/0xab0 [ 4551.518908][ T10] process_one_work+0x84d/0x18a0 [ 4551.518908][ T10] worker_thread+0x587/0xd30 [ 4551.518908][ T10] kthread+0x28a/0x350 [ 4551.518908][ T10] ret_from_fork+0x31/0x70 [ 4551.518908][ T10] ret_from_fork_asm+0x1a/0x30 [ 4551.518908][ T10] [ 4551.520911][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4551.520911][ T10] netdev_get_by_index+0x5e/0x80 [ 4551.520911][ T10] fib6_nh_init+0x3d8/0x1580 [ 4551.520911][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4551.520911][ T10] ip6_route_add+0x1c/0x140 [ 4551.520911][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4551.520911][ T10] inet6_addr_add+0x4f8/0xa40 [ 4551.520911][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4551.520911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4551.520911][ T10] netlink_rcv_skb+0x130/0x360 [ 4551.520911][ T10] netlink_unicast+0x449/0x710 [ 4551.520911][ T10] netlink_sendmsg+0x723/0xbe0 [ 4551.520911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4551.520911][ T10] ___sys_sendmsg+0xee/0x170 [ 4551.520911][ T10] __sys_sendmsg+0xcd/0x170 [ 4551.520911][ T10] do_syscall_64+0xc6/0x1e0 [ 4551.520911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4551.520911][ T10] [ 4551.523075][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4551.523075][ T10] netdev_get_by_index+0x5e/0x80 [ 4551.523075][ T10] fib6_nh_init+0x3d8/0x1580 [ 4551.523075][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4551.523075][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4551.523075][ T10] ipv6_add_addr+0x411/0x2000 [ 4551.523075][ T10] inet6_addr_add+0x30e/0xa40 [ 4551.523075][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4551.523075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4551.523075][ T10] netlink_rcv_skb+0x130/0x360 [ 4551.523075][ T10] netlink_unicast+0x449/0x710 [ 4551.523075][ T10] netlink_sendmsg+0x723/0xbe0 [ 4551.523075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4551.523075][ T10] ___sys_sendmsg+0xee/0x170 [ 4551.523075][ T10] __sys_sendmsg+0xcd/0x170 [ 4551.523075][ T10] do_syscall_64+0xc6/0x1e0 [ 4551.523075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4551.523075][ T10] [ 4551.525241][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4551.525241][ T10] netdev_get_by_index+0x5e/0x80 [ 4551.525241][ T10] fib6_nh_init+0x3d8/0x1580 [ 4551.525241][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4551.525241][ T10] ip6_route_add+0x1c/0x140 [ 4551.525241][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4551.525241][ T10] addrconf_add_dev+0xe2/0x170 [ 4551.525241][ T10] inet6_addr_add+0x12f/0xa40 [ 4551.525241][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4551.525241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4551.525241][ T10] netlink_rcv_skb+0x130/0x360 [ 4551.525241][ T10] netlink_unicast+0x449/0x710 [ 4551.525241][ T10] netlink_sendmsg+0x723/0xbe0 [ 4551.525241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4551.525241][ T10] ___sys_sendmsg+0xee/0x170 [ 4551.525241][ T10] __sys_sendmsg+0xcd/0x170 [ 4551.525241][ T10] do_syscall_64+0xc6/0x1e0 [ 4551.525241][ T10] [ 4551.527374][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4551.527374][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4551.527374][ T10] ipv6_find_idev+0x102/0x170 [ 4551.527374][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4551.527374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4551.527374][ T10] netlink_rcv_skb+0x130/0x360 [ 4551.527374][ T10] netlink_unicast+0x449/0x710 [ 4551.527374][ T10] netlink_sendmsg+0x723/0xbe0 [ 4551.527374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4551.527374][ T10] ___sys_sendmsg+0xee/0x170 [ 4551.527374][ T10] __sys_sendmsg+0xcd/0x170 [ 4551.527374][ T10] do_syscall_64+0xc6/0x1e0 [ 4551.527374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4551.527374][ T10] [ 4551.529013][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4551.529013][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4551.529013][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4551.529013][ T10] ipv6_find_idev+0x102/0x170 [ 4551.529013][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4551.529013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4551.529013][ T10] netlink_rcv_skb+0x130/0x360 [ 4551.529013][ T10] netlink_unicast+0x449/0x710 [ 4551.529013][ T10] netlink_sendmsg+0x723/0xbe0 [ 4551.529013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4551.529013][ T10] ___sys_sendmsg+0xee/0x170 [ 4551.529013][ T10] __sys_sendmsg+0xcd/0x170 [ 4551.529013][ T10] do_syscall_64+0xc6/0x1e0 [ 4551.529013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4551.529013][ T10] [ 4551.530857][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4551.531536][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4551.531536][ T10] netdev_get_by_index+0x5e/0x80 [ 4551.531536][ T10] fib6_nh_init+0x3d8/0x1580 [ 4551.531536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4551.531536][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4551.531536][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4551.531536][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4551.531536][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4551.531536][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4551.531536][ T10] addrconf_dad_begin+0x310/0x670 [ 4551.531536][ T10] addrconf_dad_work+0x10b/0xab0 [ 4551.531536][ T10] process_one_work+0x84d/0x18a0 [ 4551.531536][ T10] worker_thread+0x587/0xd30 [ 4551.531536][ T10] kthread+0x28a/0x350 [ 4551.531536][ T10] ret_from_fork+0x31/0x70 [ 4551.531536][ T10] ret_from_fork_asm+0x1a/0x30 [ 4551.531536][ T10] [ 4551.533520][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4551.533520][ T10] netdev_get_by_index+0x5e/0x80 [ 4551.533520][ T10] fib6_nh_init+0x3d8/0x1580 [ 4551.533520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4551.533520][ T10] ip6_route_add+0x1c/0x140 [ 4551.533520][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4551.533520][ T10] inet6_addr_add+0x4f8/0xa40 [ 4551.533520][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4551.533520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4551.533520][ T10] netlink_rcv_skb+0x130/0x360 [ 4551.533520][ T10] netlink_unicast+0x449/0x710 [ 4551.533520][ T10] netlink_sendmsg+0x723/0xbe0 [ 4551.533520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4551.533520][ T10] ___sys_sendmsg+0xee/0x170 [ 4551.533520][ T10] __sys_sendmsg+0xcd/0x170 [ 4551.533520][ T10] do_syscall_64+0xc6/0x1e0 [ 4551.533520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4551.533520][ T10] [ 4551.535611][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4551.535611][ T10] netdev_get_by_index+0x5e/0x80 [ 4551.535611][ T10] fib6_nh_init+0x3d8/0x1580 [ 4551.535611][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4551.535611][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4551.535611][ T10] ipv6_add_addr+0x411/0x2000 [ 4551.535611][ T10] inet6_addr_add+0x30e/0xa40 [ 4551.535611][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4551.535611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4551.535611][ T10] netlink_rcv_skb+0x130/0x360 [ 4551.535611][ T10] netlink_unicast+0x449/0x710 [ 4551.535611][ T10] netlink_sendmsg+0x723/0xbe0 [ 4551.535611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4551.535611][ T10] ___sys_sendmsg+0xee/0x170 [ 4551.535611][ T10] __sys_sendmsg+0xcd/0x170 [ 4551.535611][ T10] do_syscall_64+0xc6/0x1e0 [ 4551.535611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4551.535611][ T10] [ 4551.537771][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4551.537771][ T10] netdev_get_by_index+0x5e/0x80 [ 4551.537771][ T10] fib6_nh_init+0x3d8/0x1580 [ 4551.537771][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4551.537771][ T10] ip6_route_add+0x1c/0x140 [ 4551.537771][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4551.537771][ T10] addrconf_add_dev+0xe2/0x170 [ 4551.537771][ T10] inet6_addr_add+0x12f/0xa40 [ 4551.537771][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4551.537771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4551.537771][ T10] netlink_rcv_skb+0x130/0x360 [ 4551.537771][ T10] netlink_unicast+0x449/0x710 [ 4551.537771][ T10] netlink_sendmsg+0x723/0xbe0 [ 4551.537771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4551.537771][ T10] ___sys_sendmsg+0xee/0x170 [ 4551.537771][ T10] __sys_sendmsg+0xcd/0x170 [ 4551.537771][ T10] do_syscall_64+0xc6/0x1e0 [ 4551.537771][ T10] [ 4551.539894][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4551.539894][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4551.539894][ T10] ipv6_find_idev+0x102/0x170 [ 4551.539894][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4551.539894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4551.539894][ T10] netlink_rcv_skb+0x130/0x360 [ 4551.539894][ T10] netlink_unicast+0x449/0x710 [ 4551.539894][ T10] netlink_sendmsg+0x723/0xbe0 [ 4551.539894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4551.539894][ T10] ___sys_sendmsg+0xee/0x170 [ 4551.539894][ T10] __sys_sendmsg+0xcd/0x170 [ 4551.539894][ T10] do_syscall_64+0xc6/0x1e0 [ 4551.539894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4551.539894][ T10] [ 4551.541521][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4551.541521][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4551.541521][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4551.541521][ T10] ipv6_find_idev+0x102/0x170 [ 4551.541521][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4551.541521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4551.541521][ T10] netlink_rcv_skb+0x130/0x360 [ 4551.541521][ T10] netlink_unicast+0x449/0x710 [ 4551.541521][ T10] netlink_sendmsg+0x723/0xbe0 [ 4551.541521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4551.541521][ T10] ___sys_sendmsg+0xee/0x170 [ 4551.541521][ T10] __sys_sendmsg+0xcd/0x170 [ 4551.541521][ T10] do_syscall_64+0xc6/0x1e0 [ 4551.541521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4551.541521][ T10] [ 4557.057117][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4557.057563][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4557.057563][ T1167] dst_init+0x84/0x4a0 [ 4557.057563][ T1167] dst_alloc+0x97/0x150 [ 4557.057563][ T1167] ip6_dst_alloc+0x23/0x90 [ 4557.057563][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4557.057563][ T1167] ip6_pol_route+0x56f/0x840 [ 4557.057563][ T1167] fib6_rule_lookup+0x334/0x630 [ 4557.057563][ T1167] ip6_route_output_flags+0x259/0x480 [ 4557.057563][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4557.057563][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4557.057563][ T1167] netlink_rcv_skb+0x130/0x360 [ 4557.057563][ T1167] netlink_unicast+0x449/0x710 [ 4557.057563][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4557.057563][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4557.057563][ T1167] ___sys_sendmsg+0xee/0x170 [ 4557.057563][ T1167] __sys_sendmsg+0xcd/0x170 [ 4557.057563][ T1167] do_syscall_64+0xc6/0x1e0 [ 4557.057563][ T1167] [ 4557.059772][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4557.059772][ T1167] netdev_get_by_index+0x5e/0x80 [ 4557.059772][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4557.059772][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4557.059772][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4557.059772][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4557.059772][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4557.059772][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4557.059772][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4557.059772][ T1167] addrconf_dad_begin+0x310/0x670 [ 4557.059772][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4557.059772][ T1167] process_one_work+0x84d/0x18a0 [ 4557.059772][ T1167] worker_thread+0x587/0xd30 [ 4557.059772][ T1167] kthread+0x28a/0x350 [ 4557.059772][ T1167] ret_from_fork+0x31/0x70 [ 4557.059772][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4557.059772][ T1167] [ 4557.061933][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4557.061933][ T1167] netdev_get_by_index+0x5e/0x80 [ 4557.061933][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4557.061933][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4557.061933][ T1167] ip6_route_add+0x1c/0x140 [ 4557.061933][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4557.061933][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4557.061933][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4557.061933][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4557.061933][ T1167] netlink_rcv_skb+0x130/0x360 [ 4557.061933][ T1167] netlink_unicast+0x449/0x710 [ 4557.061933][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4557.061933][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4557.061933][ T1167] ___sys_sendmsg+0xee/0x170 [ 4557.061933][ T1167] __sys_sendmsg+0xcd/0x170 [ 4557.061933][ T1167] do_syscall_64+0xc6/0x1e0 [ 4557.061933][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4557.061933][ T1167] [ 4557.064183][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4557.064183][ T1167] netdev_get_by_index+0x5e/0x80 [ 4557.064183][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4557.064183][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4557.064183][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4557.064183][ T1167] ipv6_add_addr+0x411/0x2000 [ 4557.064183][ T1167] inet6_addr_add+0x30e/0xa40 [ 4557.064183][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4557.064183][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4557.064183][ T1167] netlink_rcv_skb+0x130/0x360 [ 4557.064183][ T1167] netlink_unicast+0x449/0x710 [ 4557.064183][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4557.064183][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4557.064183][ T1167] ___sys_sendmsg+0xee/0x170 [ 4557.064183][ T1167] __sys_sendmsg+0xcd/0x170 [ 4557.064183][ T1167] do_syscall_64+0xc6/0x1e0 [ 4557.064183][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4557.064183][ T1167] [ 4557.066440][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4557.066440][ T1167] netdev_get_by_index+0x5e/0x80 [ 4557.066440][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4557.066440][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4557.066440][ T1167] ip6_route_add+0x1c/0x140 [ 4557.066440][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4557.066440][ T1167] addrconf_add_dev+0xe2/0x170 [ 4557.066440][ T1167] inet6_addr_add+0x12f/0xa40 [ 4557.066440][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4557.066440][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4557.066440][ T1167] netlink_rcv_skb+0x130/0x360 [ 4557.066440][ T1167] netlink_unicast+0x449/0x710 [ 4557.066440][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4557.066440][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4557.066440][ T1167] ___sys_sendmsg+0xee/0x170 [ 4557.066440][ T1167] __sys_sendmsg+0xcd/0x170 [ 4557.066440][ T1167] do_syscall_64+0xc6/0x1e0 [ 4557.066440][ T1167] [ 4557.071091][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4557.071091][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4557.071091][ T1167] ipv6_find_idev+0x102/0x170 [ 4557.071091][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4557.071091][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4557.071091][ T1167] netlink_rcv_skb+0x130/0x360 [ 4557.071091][ T1167] netlink_unicast+0x449/0x710 [ 4557.071091][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4557.071091][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4557.071091][ T1167] ___sys_sendmsg+0xee/0x170 [ 4557.071091][ T1167] __sys_sendmsg+0xcd/0x170 [ 4557.071091][ T1167] do_syscall_64+0xc6/0x1e0 [ 4557.071091][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4557.071091][ T1167] [ 4557.072835][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4557.072835][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4557.072835][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4557.072835][ T1167] ipv6_find_idev+0x102/0x170 [ 4557.072835][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4557.072835][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4557.072835][ T1167] netlink_rcv_skb+0x130/0x360 [ 4557.072835][ T1167] netlink_unicast+0x449/0x710 [ 4557.072835][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4557.072835][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4557.072835][ T1167] ___sys_sendmsg+0xee/0x170 [ 4557.072835][ T1167] __sys_sendmsg+0xcd/0x170 [ 4557.072835][ T1167] do_syscall_64+0xc6/0x1e0 [ 4557.072835][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4557.072835][ T1167] [ 4561.793061][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4561.793472][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4561.793472][ T10] netdev_get_by_index+0x5e/0x80 [ 4561.793472][ T10] fib6_nh_init+0x3d8/0x1580 [ 4561.793472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4561.793472][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4561.793472][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4561.793472][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4561.793472][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4561.793472][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4561.793472][ T10] addrconf_dad_begin+0x310/0x670 [ 4561.793472][ T10] addrconf_dad_work+0x10b/0xab0 [ 4561.793472][ T10] process_one_work+0x84d/0x18a0 [ 4561.793472][ T10] worker_thread+0x587/0xd30 [ 4561.793472][ T10] kthread+0x28a/0x350 [ 4561.793472][ T10] ret_from_fork+0x31/0x70 [ 4561.793472][ T10] ret_from_fork_asm+0x1a/0x30 [ 4561.793472][ T10] [ 4561.795433][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4561.795433][ T10] netdev_get_by_index+0x5e/0x80 [ 4561.795433][ T10] fib6_nh_init+0x3d8/0x1580 [ 4561.795433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4561.795433][ T10] ip6_route_add+0x1c/0x140 [ 4561.795433][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4561.795433][ T10] inet6_addr_add+0x4f8/0xa40 [ 4561.795433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4561.795433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4561.795433][ T10] netlink_rcv_skb+0x130/0x360 [ 4561.795433][ T10] netlink_unicast+0x449/0x710 [ 4561.795433][ T10] netlink_sendmsg+0x723/0xbe0 [ 4561.795433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4561.795433][ T10] ___sys_sendmsg+0xee/0x170 [ 4561.795433][ T10] __sys_sendmsg+0xcd/0x170 [ 4561.795433][ T10] do_syscall_64+0xc6/0x1e0 [ 4561.795433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4561.795433][ T10] [ 4561.797448][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4561.797448][ T10] netdev_get_by_index+0x5e/0x80 [ 4561.797448][ T10] fib6_nh_init+0x3d8/0x1580 [ 4561.797448][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4561.797448][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4561.797448][ T10] ipv6_add_addr+0x411/0x2000 [ 4561.797448][ T10] inet6_addr_add+0x30e/0xa40 [ 4561.797448][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4561.797448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4561.797448][ T10] netlink_rcv_skb+0x130/0x360 [ 4561.797448][ T10] netlink_unicast+0x449/0x710 [ 4561.797448][ T10] netlink_sendmsg+0x723/0xbe0 [ 4561.797448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4561.797448][ T10] ___sys_sendmsg+0xee/0x170 [ 4561.797448][ T10] __sys_sendmsg+0xcd/0x170 [ 4561.797448][ T10] do_syscall_64+0xc6/0x1e0 [ 4561.797448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4561.797448][ T10] [ 4561.799458][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4561.799458][ T10] netdev_get_by_index+0x5e/0x80 [ 4561.799458][ T10] fib6_nh_init+0x3d8/0x1580 [ 4561.799458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4561.799458][ T10] ip6_route_add+0x1c/0x140 [ 4561.799458][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4561.799458][ T10] addrconf_add_dev+0xe2/0x170 [ 4561.799458][ T10] inet6_addr_add+0x12f/0xa40 [ 4561.799458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4561.799458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4561.799458][ T10] netlink_rcv_skb+0x130/0x360 [ 4561.799458][ T10] netlink_unicast+0x449/0x710 [ 4561.799458][ T10] netlink_sendmsg+0x723/0xbe0 [ 4561.799458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4561.799458][ T10] ___sys_sendmsg+0xee/0x170 [ 4561.799458][ T10] __sys_sendmsg+0xcd/0x170 [ 4561.799458][ T10] do_syscall_64+0xc6/0x1e0 [ 4561.799458][ T10] [ 4561.801417][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4561.801417][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4561.801417][ T10] ipv6_find_idev+0x102/0x170 [ 4561.801417][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4561.801417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4561.801417][ T10] netlink_rcv_skb+0x130/0x360 [ 4561.801417][ T10] netlink_unicast+0x449/0x710 [ 4561.801417][ T10] netlink_sendmsg+0x723/0xbe0 [ 4561.801417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4561.801417][ T10] ___sys_sendmsg+0xee/0x170 [ 4561.801417][ T10] __sys_sendmsg+0xcd/0x170 [ 4561.801417][ T10] do_syscall_64+0xc6/0x1e0 [ 4561.801417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4561.801417][ T10] [ 4561.802954][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4561.802954][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4561.802954][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4561.802954][ T10] ipv6_find_idev+0x102/0x170 [ 4561.802954][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4561.802954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4561.802954][ T10] netlink_rcv_skb+0x130/0x360 [ 4561.802954][ T10] netlink_unicast+0x449/0x710 [ 4561.802954][ T10] netlink_sendmsg+0x723/0xbe0 [ 4561.802954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4561.802954][ T10] ___sys_sendmsg+0xee/0x170 [ 4561.802954][ T10] __sys_sendmsg+0xcd/0x170 [ 4561.802954][ T10] do_syscall_64+0xc6/0x1e0 [ 4561.802954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4561.802954][ T10] [ 4561.804649][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4561.804896][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4561.804896][ T10] netdev_get_by_index+0x5e/0x80 [ 4561.804896][ T10] fib6_nh_init+0x3d8/0x1580 [ 4561.804896][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4561.804896][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4561.804896][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4561.804896][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4561.804896][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4561.804896][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4561.804896][ T10] addrconf_dad_begin+0x310/0x670 [ 4561.804896][ T10] addrconf_dad_work+0x10b/0xab0 [ 4561.804896][ T10] process_one_work+0x84d/0x18a0 [ 4561.804896][ T10] worker_thread+0x587/0xd30 [ 4561.804896][ T10] kthread+0x28a/0x350 [ 4561.804896][ T10] ret_from_fork+0x31/0x70 [ 4561.804896][ T10] ret_from_fork_asm+0x1a/0x30 [ 4561.804896][ T10] [ 4561.806814][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4561.806814][ T10] netdev_get_by_index+0x5e/0x80 [ 4561.806814][ T10] fib6_nh_init+0x3d8/0x1580 [ 4561.806814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4561.806814][ T10] ip6_route_add+0x1c/0x140 [ 4561.806814][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4561.806814][ T10] inet6_addr_add+0x4f8/0xa40 [ 4561.806814][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4561.806814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4561.806814][ T10] netlink_rcv_skb+0x130/0x360 [ 4561.806814][ T10] netlink_unicast+0x449/0x710 [ 4561.806814][ T10] netlink_sendmsg+0x723/0xbe0 [ 4561.806814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4561.806814][ T10] ___sys_sendmsg+0xee/0x170 [ 4561.806814][ T10] __sys_sendmsg+0xcd/0x170 [ 4561.806814][ T10] do_syscall_64+0xc6/0x1e0 [ 4561.806814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4561.806814][ T10] [ 4561.808814][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4561.808814][ T10] netdev_get_by_index+0x5e/0x80 [ 4561.808814][ T10] fib6_nh_init+0x3d8/0x1580 [ 4561.808814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4561.808814][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4561.808814][ T10] ipv6_add_addr+0x411/0x2000 [ 4561.808814][ T10] inet6_addr_add+0x30e/0xa40 [ 4561.808814][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4561.808814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4561.808814][ T10] netlink_rcv_skb+0x130/0x360 [ 4561.808814][ T10] netlink_unicast+0x449/0x710 [ 4561.808814][ T10] netlink_sendmsg+0x723/0xbe0 [ 4561.808814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4561.808814][ T10] ___sys_sendmsg+0xee/0x170 [ 4561.808814][ T10] __sys_sendmsg+0xcd/0x170 [ 4561.808814][ T10] do_syscall_64+0xc6/0x1e0 [ 4561.808814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4561.808814][ T10] [ 4561.810814][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4561.810814][ T10] netdev_get_by_index+0x5e/0x80 [ 4561.810814][ T10] fib6_nh_init+0x3d8/0x1580 [ 4561.810814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4561.810814][ T10] ip6_route_add+0x1c/0x140 [ 4561.810814][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4561.810814][ T10] addrconf_add_dev+0xe2/0x170 [ 4561.810814][ T10] inet6_addr_add+0x12f/0xa40 [ 4561.810814][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4561.810814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4561.810814][ T10] netlink_rcv_skb+0x130/0x360 [ 4561.810814][ T10] netlink_unicast+0x449/0x710 [ 4561.810814][ T10] netlink_sendmsg+0x723/0xbe0 [ 4561.810814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4561.810814][ T10] ___sys_sendmsg+0xee/0x170 [ 4561.810814][ T10] __sys_sendmsg+0xcd/0x170 [ 4561.810814][ T10] do_syscall_64+0xc6/0x1e0 [ 4561.810814][ T10] [ 4561.812782][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4561.812782][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4561.812782][ T10] ipv6_find_idev+0x102/0x170 [ 4561.812782][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4561.812782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4561.812782][ T10] netlink_rcv_skb+0x130/0x360 [ 4561.812782][ T10] netlink_unicast+0x449/0x710 [ 4561.812782][ T10] netlink_sendmsg+0x723/0xbe0 [ 4561.812782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4561.812782][ T10] ___sys_sendmsg+0xee/0x170 [ 4561.812782][ T10] __sys_sendmsg+0xcd/0x170 [ 4561.812782][ T10] do_syscall_64+0xc6/0x1e0 [ 4561.812782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4561.812782][ T10] [ 4561.814321][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4561.814321][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4561.814321][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4561.814321][ T10] ipv6_find_idev+0x102/0x170 [ 4561.814321][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4561.814321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4561.814321][ T10] netlink_rcv_skb+0x130/0x360 [ 4561.814321][ T10] netlink_unicast+0x449/0x710 [ 4561.814321][ T10] netlink_sendmsg+0x723/0xbe0 [ 4561.814321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4561.814321][ T10] ___sys_sendmsg+0xee/0x170 [ 4561.814321][ T10] __sys_sendmsg+0xcd/0x170 [ 4561.814321][ T10] do_syscall_64+0xc6/0x1e0 [ 4561.814321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4561.814321][ T10] [ 4561.816007][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4561.816259][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4561.816259][ T10] netdev_get_by_index+0x5e/0x80 [ 4561.816259][ T10] fib6_nh_init+0x3d8/0x1580 [ 4561.816259][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4561.816259][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4561.816259][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4561.816259][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4561.816259][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4561.816259][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4561.816259][ T10] addrconf_dad_begin+0x310/0x670 [ 4561.816259][ T10] addrconf_dad_work+0x10b/0xab0 [ 4561.816259][ T10] process_one_work+0x84d/0x18a0 [ 4561.816259][ T10] worker_thread+0x587/0xd30 [ 4561.816259][ T10] kthread+0x28a/0x350 [ 4561.816259][ T10] ret_from_fork+0x31/0x70 [ 4561.816259][ T10] ret_from_fork_asm+0x1a/0x30 [ 4561.816259][ T10] [ 4561.818173][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4561.818173][ T10] netdev_get_by_index+0x5e/0x80 [ 4561.818173][ T10] fib6_nh_init+0x3d8/0x1580 [ 4561.818173][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4561.818173][ T10] ip6_route_add+0x1c/0x140 [ 4561.818173][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4561.818173][ T10] inet6_addr_add+0x4f8/0xa40 [ 4561.818173][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4561.818173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4561.818173][ T10] netlink_rcv_skb+0x130/0x360 [ 4561.818173][ T10] netlink_unicast+0x449/0x710 [ 4561.818173][ T10] netlink_sendmsg+0x723/0xbe0 [ 4561.818173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4561.818173][ T10] ___sys_sendmsg+0xee/0x170 [ 4561.818173][ T10] __sys_sendmsg+0xcd/0x170 [ 4561.818173][ T10] do_syscall_64+0xc6/0x1e0 [ 4561.818173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4561.818173][ T10] [ 4561.820303][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4561.820303][ T10] netdev_get_by_index+0x5e/0x80 [ 4561.820303][ T10] fib6_nh_init+0x3d8/0x1580 [ 4561.820303][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4561.820303][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4561.820303][ T10] ipv6_add_addr+0x411/0x2000 [ 4561.820303][ T10] inet6_addr_add+0x30e/0xa40 [ 4561.820303][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4561.820303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4561.820303][ T10] netlink_rcv_skb+0x130/0x360 [ 4561.820303][ T10] netlink_unicast+0x449/0x710 [ 4561.820303][ T10] netlink_sendmsg+0x723/0xbe0 [ 4561.820303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4561.820303][ T10] ___sys_sendmsg+0xee/0x170 [ 4561.820303][ T10] __sys_sendmsg+0xcd/0x170 [ 4561.820303][ T10] do_syscall_64+0xc6/0x1e0 [ 4561.820303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4561.820303][ T10] [ 4561.822430][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4561.822430][ T10] netdev_get_by_index+0x5e/0x80 [ 4561.822430][ T10] fib6_nh_init+0x3d8/0x1580 [ 4561.822430][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4561.822430][ T10] ip6_route_add+0x1c/0x140 [ 4561.822430][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4561.822430][ T10] addrconf_add_dev+0xe2/0x170 [ 4561.822430][ T10] inet6_addr_add+0x12f/0xa40 [ 4561.822430][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4561.822430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4561.822430][ T10] netlink_rcv_skb+0x130/0x360 [ 4561.822430][ T10] netlink_unicast+0x449/0x710 [ 4561.822430][ T10] netlink_sendmsg+0x723/0xbe0 [ 4561.822430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4561.822430][ T10] ___sys_sendmsg+0xee/0x170 [ 4561.822430][ T10] __sys_sendmsg+0xcd/0x170 [ 4561.822430][ T10] do_syscall_64+0xc6/0x1e0 [ 4561.822430][ T10] [ 4561.824526][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4561.824526][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4561.824526][ T10] ipv6_find_idev+0x102/0x170 [ 4561.824526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4561.824526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4561.824526][ T10] netlink_rcv_skb+0x130/0x360 [ 4561.824526][ T10] netlink_unicast+0x449/0x710 [ 4561.824526][ T10] netlink_sendmsg+0x723/0xbe0 [ 4561.824526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4561.824526][ T10] ___sys_sendmsg+0xee/0x170 [ 4561.824526][ T10] __sys_sendmsg+0xcd/0x170 [ 4561.824526][ T10] do_syscall_64+0xc6/0x1e0 [ 4561.824526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4561.824526][ T10] [ 4561.826129][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4561.826129][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4561.826129][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4561.826129][ T10] ipv6_find_idev+0x102/0x170 [ 4561.826129][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4561.826129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4561.826129][ T10] netlink_rcv_skb+0x130/0x360 [ 4561.826129][ T10] netlink_unicast+0x449/0x710 [ 4561.826129][ T10] netlink_sendmsg+0x723/0xbe0 [ 4561.826129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4561.826129][ T10] ___sys_sendmsg+0xee/0x170 [ 4561.826129][ T10] __sys_sendmsg+0xcd/0x170 [ 4561.826129][ T10] do_syscall_64+0xc6/0x1e0 [ 4561.826129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4561.826129][ T10] [ 4561.828014][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4561.828255][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4561.828255][ T10] netdev_get_by_index+0x5e/0x80 [ 4561.828255][ T10] fib6_nh_init+0x3d8/0x1580 [ 4561.828255][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4561.828255][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4561.828255][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4561.828255][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4561.828255][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4561.828255][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4561.828255][ T10] addrconf_dad_begin+0x310/0x670 [ 4561.828255][ T10] addrconf_dad_work+0x10b/0xab0 [ 4561.828255][ T10] process_one_work+0x84d/0x18a0 [ 4561.828255][ T10] worker_thread+0x587/0xd30 [ 4561.828255][ T10] kthread+0x28a/0x350 [ 4561.828255][ T10] ret_from_fork+0x31/0x70 [ 4561.828255][ T10] ret_from_fork_asm+0x1a/0x30 [ 4561.828255][ T10] [ 4561.830294][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4561.830294][ T10] netdev_get_by_index+0x5e/0x80 [ 4561.830294][ T10] fib6_nh_init+0x3d8/0x1580 [ 4561.830294][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4561.830294][ T10] ip6_route_add+0x1c/0x140 [ 4561.830294][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4561.830294][ T10] inet6_addr_add+0x4f8/0xa40 [ 4561.830294][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4561.830294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4561.830294][ T10] netlink_rcv_skb+0x130/0x360 [ 4561.830294][ T10] netlink_unicast+0x449/0x710 [ 4561.830294][ T10] netlink_sendmsg+0x723/0xbe0 [ 4561.830294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4561.830294][ T10] ___sys_sendmsg+0xee/0x170 [ 4561.830294][ T10] __sys_sendmsg+0xcd/0x170 [ 4561.830294][ T10] do_syscall_64+0xc6/0x1e0 [ 4561.830294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4561.830294][ T10] [ 4561.832417][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4561.832417][ T10] netdev_get_by_index+0x5e/0x80 [ 4561.832417][ T10] fib6_nh_init+0x3d8/0x1580 [ 4561.832417][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4561.832417][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4561.832417][ T10] ipv6_add_addr+0x411/0x2000 [ 4561.832417][ T10] inet6_addr_add+0x30e/0xa40 [ 4561.832417][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4561.832417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4561.832417][ T10] netlink_rcv_skb+0x130/0x360 [ 4561.832417][ T10] netlink_unicast+0x449/0x710 [ 4561.832417][ T10] netlink_sendmsg+0x723/0xbe0 [ 4561.832417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4561.832417][ T10] ___sys_sendmsg+0xee/0x170 [ 4561.832417][ T10] __sys_sendmsg+0xcd/0x170 [ 4561.832417][ T10] do_syscall_64+0xc6/0x1e0 [ 4561.832417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4561.832417][ T10] [ 4561.834541][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4561.834541][ T10] netdev_get_by_index+0x5e/0x80 [ 4561.834541][ T10] fib6_nh_init+0x3d8/0x1580 [ 4561.834541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4561.834541][ T10] ip6_route_add+0x1c/0x140 [ 4561.834541][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4561.834541][ T10] addrconf_add_dev+0xe2/0x170 [ 4561.834541][ T10] inet6_addr_add+0x12f/0xa40 [ 4561.834541][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4561.834541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4561.834541][ T10] netlink_rcv_skb+0x130/0x360 [ 4561.834541][ T10] netlink_unicast+0x449/0x710 [ 4561.834541][ T10] netlink_sendmsg+0x723/0xbe0 [ 4561.834541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4561.834541][ T10] ___sys_sendmsg+0xee/0x170 [ 4561.834541][ T10] __sys_sendmsg+0xcd/0x170 [ 4561.834541][ T10] do_syscall_64+0xc6/0x1e0 [ 4561.834541][ T10] [ 4561.836634][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4561.836634][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4561.836634][ T10] ipv6_find_idev+0x102/0x170 [ 4561.836634][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4561.836634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4561.836634][ T10] netlink_rcv_skb+0x130/0x360 [ 4561.836634][ T10] netlink_unicast+0x449/0x710 [ 4561.836634][ T10] netlink_sendmsg+0x723/0xbe0 [ 4561.836634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4561.836634][ T10] ___sys_sendmsg+0xee/0x170 [ 4561.836634][ T10] __sys_sendmsg+0xcd/0x170 [ 4561.836634][ T10] do_syscall_64+0xc6/0x1e0 [ 4561.836634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4561.836634][ T10] [ 4561.838297][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4561.838297][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4561.838297][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4561.838297][ T10] ipv6_find_idev+0x102/0x170 [ 4561.838297][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4561.838297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4561.838297][ T10] netlink_rcv_skb+0x130/0x360 [ 4561.838297][ T10] netlink_unicast+0x449/0x710 [ 4561.838297][ T10] netlink_sendmsg+0x723/0xbe0 [ 4561.838297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4561.838297][ T10] ___sys_sendmsg+0xee/0x170 [ 4561.838297][ T10] __sys_sendmsg+0xcd/0x170 [ 4561.838297][ T10] do_syscall_64+0xc6/0x1e0 [ 4561.838297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4561.838297][ T10] [ 4567.313112][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4567.313588][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4567.313588][ T1167] dst_init+0x84/0x4a0 [ 4567.313588][ T1167] dst_alloc+0x97/0x150 [ 4567.313588][ T1167] ip6_dst_alloc+0x23/0x90 [ 4567.313588][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4567.313588][ T1167] ip6_pol_route+0x56f/0x840 [ 4567.313588][ T1167] fib6_rule_lookup+0x334/0x630 [ 4567.313588][ T1167] ip6_route_output_flags+0x259/0x480 [ 4567.313588][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4567.313588][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4567.313588][ T1167] netlink_rcv_skb+0x130/0x360 [ 4567.313588][ T1167] netlink_unicast+0x449/0x710 [ 4567.313588][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4567.313588][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4567.313588][ T1167] ___sys_sendmsg+0xee/0x170 [ 4567.313588][ T1167] __sys_sendmsg+0xcd/0x170 [ 4567.313588][ T1167] do_syscall_64+0xc6/0x1e0 [ 4567.313588][ T1167] [ 4567.315826][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4567.315826][ T1167] netdev_get_by_index+0x5e/0x80 [ 4567.315826][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4567.315826][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4567.315826][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4567.315826][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4567.315826][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4567.315826][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4567.315826][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4567.315826][ T1167] addrconf_dad_begin+0x310/0x670 [ 4567.315826][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4567.315826][ T1167] process_one_work+0x84d/0x18a0 [ 4567.315826][ T1167] worker_thread+0x587/0xd30 [ 4567.315826][ T1167] kthread+0x28a/0x350 [ 4567.315826][ T1167] ret_from_fork+0x31/0x70 [ 4567.315826][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4567.315826][ T1167] [ 4567.317993][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4567.317993][ T1167] netdev_get_by_index+0x5e/0x80 [ 4567.317993][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4567.317993][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4567.317993][ T1167] ip6_route_add+0x1c/0x140 [ 4567.317993][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4567.317993][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4567.317993][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4567.317993][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4567.317993][ T1167] netlink_rcv_skb+0x130/0x360 [ 4567.317993][ T1167] netlink_unicast+0x449/0x710 [ 4567.317993][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4567.317993][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4567.317993][ T1167] ___sys_sendmsg+0xee/0x170 [ 4567.317993][ T1167] __sys_sendmsg+0xcd/0x170 [ 4567.317993][ T1167] do_syscall_64+0xc6/0x1e0 [ 4567.317993][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4567.317993][ T1167] [ 4567.320251][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4567.320251][ T1167] netdev_get_by_index+0x5e/0x80 [ 4567.320251][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4567.320251][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4567.320251][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4567.320251][ T1167] ipv6_add_addr+0x411/0x2000 [ 4567.320251][ T1167] inet6_addr_add+0x30e/0xa40 [ 4567.320251][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4567.320251][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4567.320251][ T1167] netlink_rcv_skb+0x130/0x360 [ 4567.320251][ T1167] netlink_unicast+0x449/0x710 [ 4567.320251][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4567.320251][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4567.320251][ T1167] ___sys_sendmsg+0xee/0x170 [ 4567.320251][ T1167] __sys_sendmsg+0xcd/0x170 [ 4567.320251][ T1167] do_syscall_64+0xc6/0x1e0 [ 4567.320251][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4567.320251][ T1167] [ 4567.322502][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4567.322502][ T1167] netdev_get_by_index+0x5e/0x80 [ 4567.322502][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4567.322502][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4567.322502][ T1167] ip6_route_add+0x1c/0x140 [ 4567.322502][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4567.322502][ T1167] addrconf_add_dev+0xe2/0x170 [ 4567.322502][ T1167] inet6_addr_add+0x12f/0xa40 [ 4567.322502][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4567.322502][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4567.322502][ T1167] netlink_rcv_skb+0x130/0x360 [ 4567.322502][ T1167] netlink_unicast+0x449/0x710 [ 4567.322502][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4567.322502][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4567.322502][ T1167] ___sys_sendmsg+0xee/0x170 [ 4567.322502][ T1167] __sys_sendmsg+0xcd/0x170 [ 4567.322502][ T1167] do_syscall_64+0xc6/0x1e0 [ 4567.322502][ T1167] [ 4567.324716][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4567.324716][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4567.324716][ T1167] ipv6_find_idev+0x102/0x170 [ 4567.324716][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4567.324716][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4567.324716][ T1167] netlink_rcv_skb+0x130/0x360 [ 4567.324716][ T1167] netlink_unicast+0x449/0x710 [ 4567.324716][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4567.324716][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4567.324716][ T1167] ___sys_sendmsg+0xee/0x170 [ 4567.324716][ T1167] __sys_sendmsg+0xcd/0x170 [ 4567.324716][ T1167] do_syscall_64+0xc6/0x1e0 [ 4567.324716][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4567.324716][ T1167] [ 4567.326456][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4567.326456][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4567.326456][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4567.326456][ T1167] ipv6_find_idev+0x102/0x170 [ 4567.326456][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4567.326456][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4567.326456][ T1167] netlink_rcv_skb+0x130/0x360 [ 4567.326456][ T1167] netlink_unicast+0x449/0x710 [ 4567.326456][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4567.326456][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4567.326456][ T1167] ___sys_sendmsg+0xee/0x170 [ 4567.326456][ T1167] __sys_sendmsg+0xcd/0x170 [ 4567.326456][ T1167] do_syscall_64+0xc6/0x1e0 [ 4567.326456][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4567.326456][ T1167] [ 4571.841122][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4571.841527][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4571.841527][ T10] netdev_get_by_index+0x5e/0x80 [ 4571.841527][ T10] fib6_nh_init+0x3d8/0x1580 [ 4571.841527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4571.841527][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4571.841527][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4571.841527][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4571.841527][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4571.841527][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4571.841527][ T10] addrconf_dad_begin+0x310/0x670 [ 4571.841527][ T10] addrconf_dad_work+0x10b/0xab0 [ 4571.841527][ T10] process_one_work+0x84d/0x18a0 [ 4571.841527][ T10] worker_thread+0x587/0xd30 [ 4571.841527][ T10] kthread+0x28a/0x350 [ 4571.841527][ T10] ret_from_fork+0x31/0x70 [ 4571.841527][ T10] ret_from_fork_asm+0x1a/0x30 [ 4571.841527][ T10] [ 4571.843495][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4571.843495][ T10] netdev_get_by_index+0x5e/0x80 [ 4571.843495][ T10] fib6_nh_init+0x3d8/0x1580 [ 4571.843495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4571.843495][ T10] ip6_route_add+0x1c/0x140 [ 4571.843495][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4571.843495][ T10] inet6_addr_add+0x4f8/0xa40 [ 4571.843495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4571.843495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4571.843495][ T10] netlink_rcv_skb+0x130/0x360 [ 4571.843495][ T10] netlink_unicast+0x449/0x710 [ 4571.843495][ T10] netlink_sendmsg+0x723/0xbe0 [ 4571.843495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4571.843495][ T10] ___sys_sendmsg+0xee/0x170 [ 4571.843495][ T10] __sys_sendmsg+0xcd/0x170 [ 4571.843495][ T10] do_syscall_64+0xc6/0x1e0 [ 4571.843495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4571.843495][ T10] [ 4571.845492][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4571.845492][ T10] netdev_get_by_index+0x5e/0x80 [ 4571.845492][ T10] fib6_nh_init+0x3d8/0x1580 [ 4571.845492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4571.845492][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4571.845492][ T10] ipv6_add_addr+0x411/0x2000 [ 4571.845492][ T10] inet6_addr_add+0x30e/0xa40 [ 4571.845492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4571.845492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4571.845492][ T10] netlink_rcv_skb+0x130/0x360 [ 4571.845492][ T10] netlink_unicast+0x449/0x710 [ 4571.845492][ T10] netlink_sendmsg+0x723/0xbe0 [ 4571.845492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4571.845492][ T10] ___sys_sendmsg+0xee/0x170 [ 4571.845492][ T10] __sys_sendmsg+0xcd/0x170 [ 4571.845492][ T10] do_syscall_64+0xc6/0x1e0 [ 4571.845492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4571.845492][ T10] [ 4571.847518][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4571.847518][ T10] netdev_get_by_index+0x5e/0x80 [ 4571.847518][ T10] fib6_nh_init+0x3d8/0x1580 [ 4571.847518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4571.847518][ T10] ip6_route_add+0x1c/0x140 [ 4571.847518][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4571.847518][ T10] addrconf_add_dev+0xe2/0x170 [ 4571.847518][ T10] inet6_addr_add+0x12f/0xa40 [ 4571.847518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4571.847518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4571.847518][ T10] netlink_rcv_skb+0x130/0x360 [ 4571.847518][ T10] netlink_unicast+0x449/0x710 [ 4571.847518][ T10] netlink_sendmsg+0x723/0xbe0 [ 4571.847518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4571.847518][ T10] ___sys_sendmsg+0xee/0x170 [ 4571.847518][ T10] __sys_sendmsg+0xcd/0x170 [ 4571.847518][ T10] do_syscall_64+0xc6/0x1e0 [ 4571.847518][ T10] [ 4571.849477][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4571.849477][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4571.849477][ T10] ipv6_find_idev+0x102/0x170 [ 4571.849477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4571.849477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4571.849477][ T10] netlink_rcv_skb+0x130/0x360 [ 4571.849477][ T10] netlink_unicast+0x449/0x710 [ 4571.849477][ T10] netlink_sendmsg+0x723/0xbe0 [ 4571.849477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4571.849477][ T10] ___sys_sendmsg+0xee/0x170 [ 4571.849477][ T10] __sys_sendmsg+0xcd/0x170 [ 4571.849477][ T10] do_syscall_64+0xc6/0x1e0 [ 4571.849477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4571.849477][ T10] [ 4571.851052][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4571.851052][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4571.851052][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4571.851052][ T10] ipv6_find_idev+0x102/0x170 [ 4571.851052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4571.851052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4571.851052][ T10] netlink_rcv_skb+0x130/0x360 [ 4571.851052][ T10] netlink_unicast+0x449/0x710 [ 4571.851052][ T10] netlink_sendmsg+0x723/0xbe0 [ 4571.851052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4571.851052][ T10] ___sys_sendmsg+0xee/0x170 [ 4571.851052][ T10] __sys_sendmsg+0xcd/0x170 [ 4571.851052][ T10] do_syscall_64+0xc6/0x1e0 [ 4571.851052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4571.851052][ T10] [ 4571.852753][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4571.853000][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4571.853000][ T10] netdev_get_by_index+0x5e/0x80 [ 4571.853000][ T10] fib6_nh_init+0x3d8/0x1580 [ 4571.853000][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4571.853000][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4571.853000][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4571.853000][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4571.853000][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4571.853000][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4571.853000][ T10] addrconf_dad_begin+0x310/0x670 [ 4571.853000][ T10] addrconf_dad_work+0x10b/0xab0 [ 4571.853000][ T10] process_one_work+0x84d/0x18a0 [ 4571.853000][ T10] worker_thread+0x587/0xd30 [ 4571.853000][ T10] kthread+0x28a/0x350 [ 4571.853000][ T10] ret_from_fork+0x31/0x70 [ 4571.853000][ T10] ret_from_fork_asm+0x1a/0x30 [ 4571.853000][ T10] [ 4571.854904][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4571.854904][ T10] netdev_get_by_index+0x5e/0x80 [ 4571.854904][ T10] fib6_nh_init+0x3d8/0x1580 [ 4571.854904][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4571.854904][ T10] ip6_route_add+0x1c/0x140 [ 4571.854904][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4571.854904][ T10] inet6_addr_add+0x4f8/0xa40 [ 4571.854904][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4571.854904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4571.854904][ T10] netlink_rcv_skb+0x130/0x360 [ 4571.854904][ T10] netlink_unicast+0x449/0x710 [ 4571.854904][ T10] netlink_sendmsg+0x723/0xbe0 [ 4571.854904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4571.854904][ T10] ___sys_sendmsg+0xee/0x170 [ 4571.854904][ T10] __sys_sendmsg+0xcd/0x170 [ 4571.854904][ T10] do_syscall_64+0xc6/0x1e0 [ 4571.854904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4571.854904][ T10] [ 4571.856929][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4571.856929][ T10] netdev_get_by_index+0x5e/0x80 [ 4571.856929][ T10] fib6_nh_init+0x3d8/0x1580 [ 4571.856929][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4571.856929][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4571.856929][ T10] ipv6_add_addr+0x411/0x2000 [ 4571.856929][ T10] inet6_addr_add+0x30e/0xa40 [ 4571.856929][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4571.856929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4571.856929][ T10] netlink_rcv_skb+0x130/0x360 [ 4571.856929][ T10] netlink_unicast+0x449/0x710 [ 4571.856929][ T10] netlink_sendmsg+0x723/0xbe0 [ 4571.856929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4571.856929][ T10] ___sys_sendmsg+0xee/0x170 [ 4571.856929][ T10] __sys_sendmsg+0xcd/0x170 [ 4571.856929][ T10] do_syscall_64+0xc6/0x1e0 [ 4571.856929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4571.856929][ T10] [ 4571.858934][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4571.858934][ T10] netdev_get_by_index+0x5e/0x80 [ 4571.858934][ T10] fib6_nh_init+0x3d8/0x1580 [ 4571.858934][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4571.858934][ T10] ip6_route_add+0x1c/0x140 [ 4571.858934][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4571.858934][ T10] addrconf_add_dev+0xe2/0x170 [ 4571.858934][ T10] inet6_addr_add+0x12f/0xa40 [ 4571.858934][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4571.858934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4571.858934][ T10] netlink_rcv_skb+0x130/0x360 [ 4571.858934][ T10] netlink_unicast+0x449/0x710 [ 4571.858934][ T10] netlink_sendmsg+0x723/0xbe0 [ 4571.858934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4571.858934][ T10] ___sys_sendmsg+0xee/0x170 [ 4571.858934][ T10] __sys_sendmsg+0xcd/0x170 [ 4571.858934][ T10] do_syscall_64+0xc6/0x1e0 [ 4571.858934][ T10] [ 4571.860900][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4571.860900][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4571.860900][ T10] ipv6_find_idev+0x102/0x170 [ 4571.860900][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4571.860900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4571.860900][ T10] netlink_rcv_skb+0x130/0x360 [ 4571.860900][ T10] netlink_unicast+0x449/0x710 [ 4571.860900][ T10] netlink_sendmsg+0x723/0xbe0 [ 4571.860900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4571.860900][ T10] ___sys_sendmsg+0xee/0x170 [ 4571.860900][ T10] __sys_sendmsg+0xcd/0x170 [ 4571.860900][ T10] do_syscall_64+0xc6/0x1e0 [ 4571.860900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4571.860900][ T10] [ 4571.862439][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4571.862439][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4571.862439][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4571.862439][ T10] ipv6_find_idev+0x102/0x170 [ 4571.862439][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4571.862439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4571.862439][ T10] netlink_rcv_skb+0x130/0x360 [ 4571.862439][ T10] netlink_unicast+0x449/0x710 [ 4571.862439][ T10] netlink_sendmsg+0x723/0xbe0 [ 4571.862439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4571.862439][ T10] ___sys_sendmsg+0xee/0x170 [ 4571.862439][ T10] __sys_sendmsg+0xcd/0x170 [ 4571.862439][ T10] do_syscall_64+0xc6/0x1e0 [ 4571.862439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4571.862439][ T10] [ 4571.864126][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4571.864373][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4571.864373][ T10] netdev_get_by_index+0x5e/0x80 [ 4571.864373][ T10] fib6_nh_init+0x3d8/0x1580 [ 4571.864373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4571.864373][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4571.864373][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4571.864373][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4571.864373][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4571.864373][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4571.864373][ T10] addrconf_dad_begin+0x310/0x670 [ 4571.864373][ T10] addrconf_dad_work+0x10b/0xab0 [ 4571.864373][ T10] process_one_work+0x84d/0x18a0 [ 4571.864373][ T10] worker_thread+0x587/0xd30 [ 4571.864373][ T10] kthread+0x28a/0x350 [ 4571.864373][ T10] ret_from_fork+0x31/0x70 [ 4571.864373][ T10] ret_from_fork_asm+0x1a/0x30 [ 4571.864373][ T10] [ 4571.866276][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4571.866276][ T10] netdev_get_by_index+0x5e/0x80 [ 4571.866276][ T10] fib6_nh_init+0x3d8/0x1580 [ 4571.866276][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4571.866276][ T10] ip6_route_add+0x1c/0x140 [ 4571.866276][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4571.866276][ T10] inet6_addr_add+0x4f8/0xa40 [ 4571.866276][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4571.866276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4571.866276][ T10] netlink_rcv_skb+0x130/0x360 [ 4571.866276][ T10] netlink_unicast+0x449/0x710 [ 4571.866276][ T10] netlink_sendmsg+0x723/0xbe0 [ 4571.866276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4571.866276][ T10] ___sys_sendmsg+0xee/0x170 [ 4571.866276][ T10] __sys_sendmsg+0xcd/0x170 [ 4571.866276][ T10] do_syscall_64+0xc6/0x1e0 [ 4571.866276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4571.866276][ T10] [ 4571.868470][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4571.868470][ T10] netdev_get_by_index+0x5e/0x80 [ 4571.868470][ T10] fib6_nh_init+0x3d8/0x1580 [ 4571.868470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4571.868470][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4571.868470][ T10] ipv6_add_addr+0x411/0x2000 [ 4571.868470][ T10] inet6_addr_add+0x30e/0xa40 [ 4571.868470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4571.868470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4571.868470][ T10] netlink_rcv_skb+0x130/0x360 [ 4571.868470][ T10] netlink_unicast+0x449/0x710 [ 4571.868470][ T10] netlink_sendmsg+0x723/0xbe0 [ 4571.868470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4571.868470][ T10] ___sys_sendmsg+0xee/0x170 [ 4571.868470][ T10] __sys_sendmsg+0xcd/0x170 [ 4571.868470][ T10] do_syscall_64+0xc6/0x1e0 [ 4571.868470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4571.868470][ T10] [ 4571.870761][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4571.870761][ T10] netdev_get_by_index+0x5e/0x80 [ 4571.870761][ T10] fib6_nh_init+0x3d8/0x1580 [ 4571.870761][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4571.870761][ T10] ip6_route_add+0x1c/0x140 [ 4571.870761][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4571.870761][ T10] addrconf_add_dev+0xe2/0x170 [ 4571.870761][ T10] inet6_addr_add+0x12f/0xa40 [ 4571.870761][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4571.870761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4571.870761][ T10] netlink_rcv_skb+0x130/0x360 [ 4571.870761][ T10] netlink_unicast+0x449/0x710 [ 4571.870761][ T10] netlink_sendmsg+0x723/0xbe0 [ 4571.870761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4571.870761][ T10] ___sys_sendmsg+0xee/0x170 [ 4571.870761][ T10] __sys_sendmsg+0xcd/0x170 [ 4571.870761][ T10] do_syscall_64+0xc6/0x1e0 [ 4571.870761][ T10] [ 4571.872965][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4571.872965][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4571.872965][ T10] ipv6_find_idev+0x102/0x170 [ 4571.872965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4571.872965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4571.872965][ T10] netlink_rcv_skb+0x130/0x360 [ 4571.872965][ T10] netlink_unicast+0x449/0x710 [ 4571.872965][ T10] netlink_sendmsg+0x723/0xbe0 [ 4571.872965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4571.872965][ T10] ___sys_sendmsg+0xee/0x170 [ 4571.872965][ T10] __sys_sendmsg+0xcd/0x170 [ 4571.872965][ T10] do_syscall_64+0xc6/0x1e0 [ 4571.872965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4571.872965][ T10] [ 4571.874702][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4571.874702][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4571.874702][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4571.874702][ T10] ipv6_find_idev+0x102/0x170 [ 4571.874702][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4571.874702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4571.874702][ T10] netlink_rcv_skb+0x130/0x360 [ 4571.874702][ T10] netlink_unicast+0x449/0x710 [ 4571.874702][ T10] netlink_sendmsg+0x723/0xbe0 [ 4571.874702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4571.874702][ T10] ___sys_sendmsg+0xee/0x170 [ 4571.874702][ T10] __sys_sendmsg+0xcd/0x170 [ 4571.874702][ T10] do_syscall_64+0xc6/0x1e0 [ 4571.874702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4571.874702][ T10] [ 4571.876569][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4571.876801][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4571.876801][ T10] netdev_get_by_index+0x5e/0x80 [ 4571.876801][ T10] fib6_nh_init+0x3d8/0x1580 [ 4571.876801][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4571.876801][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4571.876801][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4571.876801][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4571.876801][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4571.876801][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4571.876801][ T10] addrconf_dad_begin+0x310/0x670 [ 4571.876801][ T10] addrconf_dad_work+0x10b/0xab0 [ 4571.876801][ T10] process_one_work+0x84d/0x18a0 [ 4571.876801][ T10] worker_thread+0x587/0xd30 [ 4571.876801][ T10] kthread+0x28a/0x350 [ 4571.876801][ T10] ret_from_fork+0x31/0x70 [ 4571.876801][ T10] ret_from_fork_asm+0x1a/0x30 [ 4571.876801][ T10] [ 4571.879016][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4571.879016][ T10] netdev_get_by_index+0x5e/0x80 [ 4571.879016][ T10] fib6_nh_init+0x3d8/0x1580 [ 4571.879016][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4571.879016][ T10] ip6_route_add+0x1c/0x140 [ 4571.879016][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4571.879016][ T10] inet6_addr_add+0x4f8/0xa40 [ 4571.879016][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4571.879016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4571.879016][ T10] netlink_rcv_skb+0x130/0x360 [ 4571.879016][ T10] netlink_unicast+0x449/0x710 [ 4571.879016][ T10] netlink_sendmsg+0x723/0xbe0 [ 4571.879016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4571.879016][ T10] ___sys_sendmsg+0xee/0x170 [ 4571.879016][ T10] __sys_sendmsg+0xcd/0x170 [ 4571.879016][ T10] do_syscall_64+0xc6/0x1e0 [ 4571.879016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4571.879016][ T10] [ 4571.881249][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4571.881249][ T10] netdev_get_by_index+0x5e/0x80 [ 4571.881249][ T10] fib6_nh_init+0x3d8/0x1580 [ 4571.881249][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4571.881249][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4571.881249][ T10] ipv6_add_addr+0x411/0x2000 [ 4571.881249][ T10] inet6_addr_add+0x30e/0xa40 [ 4571.881249][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4571.881249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4571.881249][ T10] netlink_rcv_skb+0x130/0x360 [ 4571.881249][ T10] netlink_unicast+0x449/0x710 [ 4571.881249][ T10] netlink_sendmsg+0x723/0xbe0 [ 4571.881249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4571.881249][ T10] ___sys_sendmsg+0xee/0x170 [ 4571.881249][ T10] __sys_sendmsg+0xcd/0x170 [ 4571.881249][ T10] do_syscall_64+0xc6/0x1e0 [ 4571.881249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4571.881249][ T10] [ 4571.883942][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4571.883942][ T10] netdev_get_by_index+0x5e/0x80 [ 4571.883942][ T10] fib6_nh_init+0x3d8/0x1580 [ 4571.883942][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4571.883942][ T10] ip6_route_add+0x1c/0x140 [ 4571.883942][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4571.883942][ T10] addrconf_add_dev+0xe2/0x170 [ 4571.883942][ T10] inet6_addr_add+0x12f/0xa40 [ 4571.883942][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4571.883942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4571.883942][ T10] netlink_rcv_skb+0x130/0x360 [ 4571.883942][ T10] netlink_unicast+0x449/0x710 [ 4571.883942][ T10] netlink_sendmsg+0x723/0xbe0 [ 4571.883942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4571.883942][ T10] ___sys_sendmsg+0xee/0x170 [ 4571.883942][ T10] __sys_sendmsg+0xcd/0x170 [ 4571.883942][ T10] do_syscall_64+0xc6/0x1e0 [ 4571.883942][ T10] [ 4571.886159][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4571.886159][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4571.886159][ T10] ipv6_find_idev+0x102/0x170 [ 4571.886159][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4571.886159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4571.886159][ T10] netlink_rcv_skb+0x130/0x360 [ 4571.886159][ T10] netlink_unicast+0x449/0x710 [ 4571.886159][ T10] netlink_sendmsg+0x723/0xbe0 [ 4571.886159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4571.886159][ T10] ___sys_sendmsg+0xee/0x170 [ 4571.886159][ T10] __sys_sendmsg+0xcd/0x170 [ 4571.886159][ T10] do_syscall_64+0xc6/0x1e0 [ 4571.886159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4571.886159][ T10] [ 4571.887909][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4571.887909][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4571.887909][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4571.887909][ T10] ipv6_find_idev+0x102/0x170 [ 4571.887909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4571.887909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4571.887909][ T10] netlink_rcv_skb+0x130/0x360 [ 4571.887909][ T10] netlink_unicast+0x449/0x710 [ 4571.887909][ T10] netlink_sendmsg+0x723/0xbe0 [ 4571.887909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4571.887909][ T10] ___sys_sendmsg+0xee/0x170 [ 4571.887909][ T10] __sys_sendmsg+0xcd/0x170 [ 4571.887909][ T10] do_syscall_64+0xc6/0x1e0 [ 4571.887909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4571.887909][ T10] [ 4577.369061][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4577.369541][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4577.369541][ T1167] dst_init+0x84/0x4a0 [ 4577.369541][ T1167] dst_alloc+0x97/0x150 [ 4577.369541][ T1167] ip6_dst_alloc+0x23/0x90 [ 4577.369541][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4577.369541][ T1167] ip6_pol_route+0x56f/0x840 [ 4577.369541][ T1167] fib6_rule_lookup+0x334/0x630 [ 4577.369541][ T1167] ip6_route_output_flags+0x259/0x480 [ 4577.369541][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4577.369541][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4577.369541][ T1167] netlink_rcv_skb+0x130/0x360 [ 4577.369541][ T1167] netlink_unicast+0x449/0x710 [ 4577.369541][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4577.369541][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4577.369541][ T1167] ___sys_sendmsg+0xee/0x170 [ 4577.369541][ T1167] __sys_sendmsg+0xcd/0x170 [ 4577.369541][ T1167] do_syscall_64+0xc6/0x1e0 [ 4577.369541][ T1167] [ 4577.372958][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4577.372958][ T1167] netdev_get_by_index+0x5e/0x80 [ 4577.372958][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4577.372958][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4577.372958][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4577.372958][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4577.372958][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4577.372958][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4577.372958][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4577.372958][ T1167] addrconf_dad_begin+0x310/0x670 [ 4577.372958][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4577.372958][ T1167] process_one_work+0x84d/0x18a0 [ 4577.372958][ T1167] worker_thread+0x587/0xd30 [ 4577.372958][ T1167] kthread+0x28a/0x350 [ 4577.372958][ T1167] ret_from_fork+0x31/0x70 [ 4577.372958][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4577.372958][ T1167] [ 4577.376460][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4577.376460][ T1167] netdev_get_by_index+0x5e/0x80 [ 4577.376460][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4577.376460][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4577.376460][ T1167] ip6_route_add+0x1c/0x140 [ 4577.376460][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4577.376460][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4577.376460][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4577.376460][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4577.376460][ T1167] netlink_rcv_skb+0x130/0x360 [ 4577.376460][ T1167] netlink_unicast+0x449/0x710 [ 4577.376460][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4577.376460][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4577.376460][ T1167] ___sys_sendmsg+0xee/0x170 [ 4577.376460][ T1167] __sys_sendmsg+0xcd/0x170 [ 4577.376460][ T1167] do_syscall_64+0xc6/0x1e0 [ 4577.376460][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4577.376460][ T1167] [ 4577.386714][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4577.386714][ T1167] netdev_get_by_index+0x5e/0x80 [ 4577.386714][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4577.386714][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4577.386714][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4577.386714][ T1167] ipv6_add_addr+0x411/0x2000 [ 4577.386714][ T1167] inet6_addr_add+0x30e/0xa40 [ 4577.386714][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4577.386714][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4577.386714][ T1167] netlink_rcv_skb+0x130/0x360 [ 4577.386714][ T1167] netlink_unicast+0x449/0x710 [ 4577.386714][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4577.386714][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4577.386714][ T1167] ___sys_sendmsg+0xee/0x170 [ 4577.386714][ T1167] __sys_sendmsg+0xcd/0x170 [ 4577.386714][ T1167] do_syscall_64+0xc6/0x1e0 [ 4577.386714][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4577.386714][ T1167] [ 4577.389021][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4577.389021][ T1167] netdev_get_by_index+0x5e/0x80 [ 4577.389021][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4577.389021][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4577.389021][ T1167] ip6_route_add+0x1c/0x140 [ 4577.389021][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4577.389021][ T1167] addrconf_add_dev+0xe2/0x170 [ 4577.389021][ T1167] inet6_addr_add+0x12f/0xa40 [ 4577.389021][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4577.389021][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4577.389021][ T1167] netlink_rcv_skb+0x130/0x360 [ 4577.389021][ T1167] netlink_unicast+0x449/0x710 [ 4577.389021][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4577.389021][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4577.389021][ T1167] ___sys_sendmsg+0xee/0x170 [ 4577.389021][ T1167] __sys_sendmsg+0xcd/0x170 [ 4577.389021][ T1167] do_syscall_64+0xc6/0x1e0 [ 4577.389021][ T1167] [ 4577.391234][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4577.391234][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4577.391234][ T1167] ipv6_find_idev+0x102/0x170 [ 4577.391234][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4577.391234][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4577.391234][ T1167] netlink_rcv_skb+0x130/0x360 [ 4577.391234][ T1167] netlink_unicast+0x449/0x710 [ 4577.391234][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4577.391234][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4577.391234][ T1167] ___sys_sendmsg+0xee/0x170 [ 4577.391234][ T1167] __sys_sendmsg+0xcd/0x170 [ 4577.391234][ T1167] do_syscall_64+0xc6/0x1e0 [ 4577.391234][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4577.391234][ T1167] [ 4577.392959][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4577.392959][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4577.392959][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4577.392959][ T1167] ipv6_find_idev+0x102/0x170 [ 4577.392959][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4577.392959][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4577.392959][ T1167] netlink_rcv_skb+0x130/0x360 [ 4577.392959][ T1167] netlink_unicast+0x449/0x710 [ 4577.392959][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4577.392959][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4577.392959][ T1167] ___sys_sendmsg+0xee/0x170 [ 4577.392959][ T1167] __sys_sendmsg+0xcd/0x170 [ 4577.392959][ T1167] do_syscall_64+0xc6/0x1e0 [ 4577.392959][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4577.392959][ T1167] [ 4582.129122][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4582.129543][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4582.129543][ T10] netdev_get_by_index+0x5e/0x80 [ 4582.129543][ T10] fib6_nh_init+0x3d8/0x1580 [ 4582.129543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4582.129543][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4582.129543][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4582.129543][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4582.129543][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4582.129543][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4582.129543][ T10] addrconf_dad_begin+0x310/0x670 [ 4582.129543][ T10] addrconf_dad_work+0x10b/0xab0 [ 4582.129543][ T10] process_one_work+0x84d/0x18a0 [ 4582.129543][ T10] worker_thread+0x587/0xd30 [ 4582.129543][ T10] kthread+0x28a/0x350 [ 4582.129543][ T10] ret_from_fork+0x31/0x70 [ 4582.129543][ T10] ret_from_fork_asm+0x1a/0x30 [ 4582.129543][ T10] [ 4582.131477][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4582.131477][ T10] netdev_get_by_index+0x5e/0x80 [ 4582.131477][ T10] fib6_nh_init+0x3d8/0x1580 [ 4582.131477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4582.131477][ T10] ip6_route_add+0x1c/0x140 [ 4582.131477][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4582.131477][ T10] inet6_addr_add+0x4f8/0xa40 [ 4582.131477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4582.131477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4582.131477][ T10] netlink_rcv_skb+0x130/0x360 [ 4582.131477][ T10] netlink_unicast+0x449/0x710 [ 4582.131477][ T10] netlink_sendmsg+0x723/0xbe0 [ 4582.131477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4582.131477][ T10] ___sys_sendmsg+0xee/0x170 [ 4582.131477][ T10] __sys_sendmsg+0xcd/0x170 [ 4582.131477][ T10] do_syscall_64+0xc6/0x1e0 [ 4582.131477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4582.131477][ T10] [ 4582.133493][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4582.133493][ T10] netdev_get_by_index+0x5e/0x80 [ 4582.133493][ T10] fib6_nh_init+0x3d8/0x1580 [ 4582.133493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4582.133493][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4582.133493][ T10] ipv6_add_addr+0x411/0x2000 [ 4582.133493][ T10] inet6_addr_add+0x30e/0xa40 [ 4582.133493][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4582.133493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4582.133493][ T10] netlink_rcv_skb+0x130/0x360 [ 4582.133493][ T10] netlink_unicast+0x449/0x710 [ 4582.133493][ T10] netlink_sendmsg+0x723/0xbe0 [ 4582.133493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4582.133493][ T10] ___sys_sendmsg+0xee/0x170 [ 4582.133493][ T10] __sys_sendmsg+0xcd/0x170 [ 4582.133493][ T10] do_syscall_64+0xc6/0x1e0 [ 4582.133493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4582.133493][ T10] [ 4582.135480][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4582.135480][ T10] netdev_get_by_index+0x5e/0x80 [ 4582.135480][ T10] fib6_nh_init+0x3d8/0x1580 [ 4582.135480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4582.135480][ T10] ip6_route_add+0x1c/0x140 [ 4582.135480][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4582.135480][ T10] addrconf_add_dev+0xe2/0x170 [ 4582.135480][ T10] inet6_addr_add+0x12f/0xa40 [ 4582.135480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4582.135480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4582.135480][ T10] netlink_rcv_skb+0x130/0x360 [ 4582.135480][ T10] netlink_unicast+0x449/0x710 [ 4582.135480][ T10] netlink_sendmsg+0x723/0xbe0 [ 4582.135480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4582.135480][ T10] ___sys_sendmsg+0xee/0x170 [ 4582.135480][ T10] __sys_sendmsg+0xcd/0x170 [ 4582.135480][ T10] do_syscall_64+0xc6/0x1e0 [ 4582.135480][ T10] [ 4582.137478][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4582.137478][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4582.137478][ T10] ipv6_find_idev+0x102/0x170 [ 4582.137478][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4582.137478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4582.137478][ T10] netlink_rcv_skb+0x130/0x360 [ 4582.137478][ T10] netlink_unicast+0x449/0x710 [ 4582.137478][ T10] netlink_sendmsg+0x723/0xbe0 [ 4582.137478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4582.137478][ T10] ___sys_sendmsg+0xee/0x170 [ 4582.137478][ T10] __sys_sendmsg+0xcd/0x170 [ 4582.137478][ T10] do_syscall_64+0xc6/0x1e0 [ 4582.137478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4582.137478][ T10] [ 4582.139006][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4582.139006][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4582.139006][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4582.139006][ T10] ipv6_find_idev+0x102/0x170 [ 4582.139006][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4582.139006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4582.139006][ T10] netlink_rcv_skb+0x130/0x360 [ 4582.139006][ T10] netlink_unicast+0x449/0x710 [ 4582.139006][ T10] netlink_sendmsg+0x723/0xbe0 [ 4582.139006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4582.139006][ T10] ___sys_sendmsg+0xee/0x170 [ 4582.139006][ T10] __sys_sendmsg+0xcd/0x170 [ 4582.139006][ T10] do_syscall_64+0xc6/0x1e0 [ 4582.139006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4582.139006][ T10] [ 4582.140701][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4582.140947][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4582.140947][ T10] netdev_get_by_index+0x5e/0x80 [ 4582.140947][ T10] fib6_nh_init+0x3d8/0x1580 [ 4582.140947][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4582.140947][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4582.140947][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4582.140947][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4582.140947][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4582.140947][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4582.140947][ T10] addrconf_dad_begin+0x310/0x670 [ 4582.140947][ T10] addrconf_dad_work+0x10b/0xab0 [ 4582.140947][ T10] process_one_work+0x84d/0x18a0 [ 4582.140947][ T10] worker_thread+0x587/0xd30 [ 4582.140947][ T10] kthread+0x28a/0x350 [ 4582.140947][ T10] ret_from_fork+0x31/0x70 [ 4582.140947][ T10] ret_from_fork_asm+0x1a/0x30 [ 4582.140947][ T10] [ 4582.142978][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4582.142978][ T10] netdev_get_by_index+0x5e/0x80 [ 4582.142978][ T10] fib6_nh_init+0x3d8/0x1580 [ 4582.142978][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4582.142978][ T10] ip6_route_add+0x1c/0x140 [ 4582.142978][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4582.142978][ T10] inet6_addr_add+0x4f8/0xa40 [ 4582.142978][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4582.142978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4582.142978][ T10] netlink_rcv_skb+0x130/0x360 [ 4582.142978][ T10] netlink_unicast+0x449/0x710 [ 4582.142978][ T10] netlink_sendmsg+0x723/0xbe0 [ 4582.142978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4582.142978][ T10] ___sys_sendmsg+0xee/0x170 [ 4582.142978][ T10] __sys_sendmsg+0xcd/0x170 [ 4582.142978][ T10] do_syscall_64+0xc6/0x1e0 [ 4582.142978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4582.142978][ T10] [ 4582.145023][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4582.145023][ T10] netdev_get_by_index+0x5e/0x80 [ 4582.145023][ T10] fib6_nh_init+0x3d8/0x1580 [ 4582.145023][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4582.145023][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4582.145023][ T10] ipv6_add_addr+0x411/0x2000 [ 4582.145023][ T10] inet6_addr_add+0x30e/0xa40 [ 4582.145023][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4582.145023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4582.145023][ T10] netlink_rcv_skb+0x130/0x360 [ 4582.145023][ T10] netlink_unicast+0x449/0x710 [ 4582.145023][ T10] netlink_sendmsg+0x723/0xbe0 [ 4582.145023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4582.145023][ T10] ___sys_sendmsg+0xee/0x170 [ 4582.145023][ T10] __sys_sendmsg+0xcd/0x170 [ 4582.145023][ T10] do_syscall_64+0xc6/0x1e0 [ 4582.145023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4582.145023][ T10] [ 4582.147020][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4582.147020][ T10] netdev_get_by_index+0x5e/0x80 [ 4582.147020][ T10] fib6_nh_init+0x3d8/0x1580 [ 4582.147020][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4582.147020][ T10] ip6_route_add+0x1c/0x140 [ 4582.147020][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4582.147020][ T10] addrconf_add_dev+0xe2/0x170 [ 4582.147020][ T10] inet6_addr_add+0x12f/0xa40 [ 4582.147020][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4582.147020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4582.147020][ T10] netlink_rcv_skb+0x130/0x360 [ 4582.147020][ T10] netlink_unicast+0x449/0x710 [ 4582.147020][ T10] netlink_sendmsg+0x723/0xbe0 [ 4582.147020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4582.147020][ T10] ___sys_sendmsg+0xee/0x170 [ 4582.147020][ T10] __sys_sendmsg+0xcd/0x170 [ 4582.147020][ T10] do_syscall_64+0xc6/0x1e0 [ 4582.147020][ T10] [ 4582.149008][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4582.149008][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4582.149008][ T10] ipv6_find_idev+0x102/0x170 [ 4582.149008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4582.149008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4582.149008][ T10] netlink_rcv_skb+0x130/0x360 [ 4582.149008][ T10] netlink_unicast+0x449/0x710 [ 4582.149008][ T10] netlink_sendmsg+0x723/0xbe0 [ 4582.149008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4582.149008][ T10] ___sys_sendmsg+0xee/0x170 [ 4582.149008][ T10] __sys_sendmsg+0xcd/0x170 [ 4582.149008][ T10] do_syscall_64+0xc6/0x1e0 [ 4582.149008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4582.149008][ T10] [ 4582.151300][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4582.151300][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4582.151300][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4582.151300][ T10] ipv6_find_idev+0x102/0x170 [ 4582.151300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4582.151300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4582.151300][ T10] netlink_rcv_skb+0x130/0x360 [ 4582.151300][ T10] netlink_unicast+0x449/0x710 [ 4582.151300][ T10] netlink_sendmsg+0x723/0xbe0 [ 4582.151300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4582.151300][ T10] ___sys_sendmsg+0xee/0x170 [ 4582.151300][ T10] __sys_sendmsg+0xcd/0x170 [ 4582.151300][ T10] do_syscall_64+0xc6/0x1e0 [ 4582.151300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4582.151300][ T10] [ 4582.153987][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4582.154388][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4582.154388][ T10] netdev_get_by_index+0x5e/0x80 [ 4582.154388][ T10] fib6_nh_init+0x3d8/0x1580 [ 4582.154388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4582.154388][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4582.154388][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4582.154388][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4582.154388][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4582.154388][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4582.154388][ T10] addrconf_dad_begin+0x310/0x670 [ 4582.154388][ T10] addrconf_dad_work+0x10b/0xab0 [ 4582.154388][ T10] process_one_work+0x84d/0x18a0 [ 4582.154388][ T10] worker_thread+0x587/0xd30 [ 4582.154388][ T10] kthread+0x28a/0x350 [ 4582.154388][ T10] ret_from_fork+0x31/0x70 [ 4582.154388][ T10] ret_from_fork_asm+0x1a/0x30 [ 4582.154388][ T10] [ 4582.156669][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4582.156669][ T10] netdev_get_by_index+0x5e/0x80 [ 4582.156669][ T10] fib6_nh_init+0x3d8/0x1580 [ 4582.156669][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4582.156669][ T10] ip6_route_add+0x1c/0x140 [ 4582.156669][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4582.156669][ T10] inet6_addr_add+0x4f8/0xa40 [ 4582.156669][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4582.156669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4582.156669][ T10] netlink_rcv_skb+0x130/0x360 [ 4582.156669][ T10] netlink_unicast+0x449/0x710 [ 4582.156669][ T10] netlink_sendmsg+0x723/0xbe0 [ 4582.156669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4582.156669][ T10] ___sys_sendmsg+0xee/0x170 [ 4582.156669][ T10] __sys_sendmsg+0xcd/0x170 [ 4582.156669][ T10] do_syscall_64+0xc6/0x1e0 [ 4582.156669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4582.156669][ T10] [ 4582.158982][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4582.158982][ T10] netdev_get_by_index+0x5e/0x80 [ 4582.158982][ T10] fib6_nh_init+0x3d8/0x1580 [ 4582.158982][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4582.158982][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4582.158982][ T10] ipv6_add_addr+0x411/0x2000 [ 4582.158982][ T10] inet6_addr_add+0x30e/0xa40 [ 4582.158982][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4582.158982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4582.158982][ T10] netlink_rcv_skb+0x130/0x360 [ 4582.158982][ T10] netlink_unicast+0x449/0x710 [ 4582.158982][ T10] netlink_sendmsg+0x723/0xbe0 [ 4582.158982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4582.158982][ T10] ___sys_sendmsg+0xee/0x170 [ 4582.158982][ T10] __sys_sendmsg+0xcd/0x170 [ 4582.158982][ T10] do_syscall_64+0xc6/0x1e0 [ 4582.158982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4582.158982][ T10] [ 4582.161262][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4582.161262][ T10] netdev_get_by_index+0x5e/0x80 [ 4582.161262][ T10] fib6_nh_init+0x3d8/0x1580 [ 4582.161262][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4582.161262][ T10] ip6_route_add+0x1c/0x140 [ 4582.161262][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4582.161262][ T10] addrconf_add_dev+0xe2/0x170 [ 4582.161262][ T10] inet6_addr_add+0x12f/0xa40 [ 4582.161262][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4582.161262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4582.161262][ T10] netlink_rcv_skb+0x130/0x360 [ 4582.161262][ T10] netlink_unicast+0x449/0x710 [ 4582.161262][ T10] netlink_sendmsg+0x723/0xbe0 [ 4582.161262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4582.161262][ T10] ___sys_sendmsg+0xee/0x170 [ 4582.161262][ T10] __sys_sendmsg+0xcd/0x170 [ 4582.161262][ T10] do_syscall_64+0xc6/0x1e0 [ 4582.161262][ T10] [ 4582.163428][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4582.163428][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4582.163428][ T10] ipv6_find_idev+0x102/0x170 [ 4582.163428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4582.163428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4582.163428][ T10] netlink_rcv_skb+0x130/0x360 [ 4582.163428][ T10] netlink_unicast+0x449/0x710 [ 4582.163428][ T10] netlink_sendmsg+0x723/0xbe0 [ 4582.163428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4582.163428][ T10] ___sys_sendmsg+0xee/0x170 [ 4582.163428][ T10] __sys_sendmsg+0xcd/0x170 [ 4582.163428][ T10] do_syscall_64+0xc6/0x1e0 [ 4582.163428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4582.163428][ T10] [ 4582.165166][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4582.165166][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4582.165166][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4582.165166][ T10] ipv6_find_idev+0x102/0x170 [ 4582.165166][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4582.165166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4582.165166][ T10] netlink_rcv_skb+0x130/0x360 [ 4582.165166][ T10] netlink_unicast+0x449/0x710 [ 4582.165166][ T10] netlink_sendmsg+0x723/0xbe0 [ 4582.165166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4582.165166][ T10] ___sys_sendmsg+0xee/0x170 [ 4582.165166][ T10] __sys_sendmsg+0xcd/0x170 [ 4582.165166][ T10] do_syscall_64+0xc6/0x1e0 [ 4582.165166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4582.165166][ T10] [ 4582.167189][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4582.167455][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4582.167455][ T10] netdev_get_by_index+0x5e/0x80 [ 4582.167455][ T10] fib6_nh_init+0x3d8/0x1580 [ 4582.167455][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4582.167455][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4582.167455][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4582.167455][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4582.167455][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4582.167455][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4582.167455][ T10] addrconf_dad_begin+0x310/0x670 [ 4582.167455][ T10] addrconf_dad_work+0x10b/0xab0 [ 4582.167455][ T10] process_one_work+0x84d/0x18a0 [ 4582.167455][ T10] worker_thread+0x587/0xd30 [ 4582.167455][ T10] kthread+0x28a/0x350 [ 4582.167455][ T10] ret_from_fork+0x31/0x70 [ 4582.167455][ T10] ret_from_fork_asm+0x1a/0x30 [ 4582.167455][ T10] [ 4582.169643][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4582.169643][ T10] netdev_get_by_index+0x5e/0x80 [ 4582.169643][ T10] fib6_nh_init+0x3d8/0x1580 [ 4582.169643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4582.169643][ T10] ip6_route_add+0x1c/0x140 [ 4582.169643][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4582.169643][ T10] inet6_addr_add+0x4f8/0xa40 [ 4582.169643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4582.169643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4582.169643][ T10] netlink_rcv_skb+0x130/0x360 [ 4582.169643][ T10] netlink_unicast+0x449/0x710 [ 4582.169643][ T10] netlink_sendmsg+0x723/0xbe0 [ 4582.169643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4582.169643][ T10] ___sys_sendmsg+0xee/0x170 [ 4582.169643][ T10] __sys_sendmsg+0xcd/0x170 [ 4582.169643][ T10] do_syscall_64+0xc6/0x1e0 [ 4582.169643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4582.169643][ T10] [ 4582.171853][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4582.171853][ T10] netdev_get_by_index+0x5e/0x80 [ 4582.171853][ T10] fib6_nh_init+0x3d8/0x1580 [ 4582.171853][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4582.171853][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4582.171853][ T10] ipv6_add_addr+0x411/0x2000 [ 4582.171853][ T10] inet6_addr_add+0x30e/0xa40 [ 4582.171853][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4582.171853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4582.171853][ T10] netlink_rcv_skb+0x130/0x360 [ 4582.171853][ T10] netlink_unicast+0x449/0x710 [ 4582.171853][ T10] netlink_sendmsg+0x723/0xbe0 [ 4582.171853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4582.171853][ T10] ___sys_sendmsg+0xee/0x170 [ 4582.171853][ T10] __sys_sendmsg+0xcd/0x170 [ 4582.171853][ T10] do_syscall_64+0xc6/0x1e0 [ 4582.171853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4582.171853][ T10] [ 4582.174147][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4582.174147][ T10] netdev_get_by_index+0x5e/0x80 [ 4582.174147][ T10] fib6_nh_init+0x3d8/0x1580 [ 4582.174147][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4582.174147][ T10] ip6_route_add+0x1c/0x140 [ 4582.174147][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4582.174147][ T10] addrconf_add_dev+0xe2/0x170 [ 4582.174147][ T10] inet6_addr_add+0x12f/0xa40 [ 4582.174147][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4582.174147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4582.174147][ T10] netlink_rcv_skb+0x130/0x360 [ 4582.174147][ T10] netlink_unicast+0x449/0x710 [ 4582.174147][ T10] netlink_sendmsg+0x723/0xbe0 [ 4582.174147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4582.174147][ T10] ___sys_sendmsg+0xee/0x170 [ 4582.174147][ T10] __sys_sendmsg+0xcd/0x170 [ 4582.174147][ T10] do_syscall_64+0xc6/0x1e0 [ 4582.174147][ T10] [ 4582.176451][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4582.176451][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4582.176451][ T10] ipv6_find_idev+0x102/0x170 [ 4582.176451][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4582.176451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4582.176451][ T10] netlink_rcv_skb+0x130/0x360 [ 4582.176451][ T10] netlink_unicast+0x449/0x710 [ 4582.176451][ T10] netlink_sendmsg+0x723/0xbe0 [ 4582.176451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4582.176451][ T10] ___sys_sendmsg+0xee/0x170 [ 4582.176451][ T10] __sys_sendmsg+0xcd/0x170 [ 4582.176451][ T10] do_syscall_64+0xc6/0x1e0 [ 4582.176451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4582.176451][ T10] [ 4582.178212][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4582.178212][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4582.178212][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4582.178212][ T10] ipv6_find_idev+0x102/0x170 [ 4582.178212][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4582.178212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4582.178212][ T10] netlink_rcv_skb+0x130/0x360 [ 4582.178212][ T10] netlink_unicast+0x449/0x710 [ 4582.178212][ T10] netlink_sendmsg+0x723/0xbe0 [ 4582.178212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4582.178212][ T10] ___sys_sendmsg+0xee/0x170 [ 4582.178212][ T10] __sys_sendmsg+0xcd/0x170 [ 4582.178212][ T10] do_syscall_64+0xc6/0x1e0 [ 4582.178212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4582.178212][ T10] [ 4587.489127][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4587.489638][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4587.489638][ T1167] dst_init+0x84/0x4a0 [ 4587.489638][ T1167] dst_alloc+0x97/0x150 [ 4587.489638][ T1167] ip6_dst_alloc+0x23/0x90 [ 4587.489638][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4587.489638][ T1167] ip6_pol_route+0x56f/0x840 [ 4587.489638][ T1167] fib6_rule_lookup+0x334/0x630 [ 4587.489638][ T1167] ip6_route_output_flags+0x259/0x480 [ 4587.489638][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4587.489638][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4587.489638][ T1167] netlink_rcv_skb+0x130/0x360 [ 4587.489638][ T1167] netlink_unicast+0x449/0x710 [ 4587.489638][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4587.489638][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4587.489638][ T1167] ___sys_sendmsg+0xee/0x170 [ 4587.489638][ T1167] __sys_sendmsg+0xcd/0x170 [ 4587.489638][ T1167] do_syscall_64+0xc6/0x1e0 [ 4587.489638][ T1167] [ 4587.491876][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4587.491876][ T1167] netdev_get_by_index+0x5e/0x80 [ 4587.491876][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4587.491876][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4587.491876][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4587.491876][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4587.491876][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4587.491876][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4587.491876][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4587.491876][ T1167] addrconf_dad_begin+0x310/0x670 [ 4587.491876][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4587.491876][ T1167] process_one_work+0x84d/0x18a0 [ 4587.491876][ T1167] worker_thread+0x587/0xd30 [ 4587.491876][ T1167] kthread+0x28a/0x350 [ 4587.491876][ T1167] ret_from_fork+0x31/0x70 [ 4587.491876][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4587.491876][ T1167] [ 4587.494041][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4587.494041][ T1167] netdev_get_by_index+0x5e/0x80 [ 4587.494041][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4587.494041][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4587.494041][ T1167] ip6_route_add+0x1c/0x140 [ 4587.494041][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4587.494041][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4587.494041][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4587.494041][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4587.494041][ T1167] netlink_rcv_skb+0x130/0x360 [ 4587.494041][ T1167] netlink_unicast+0x449/0x710 [ 4587.494041][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4587.494041][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4587.494041][ T1167] ___sys_sendmsg+0xee/0x170 [ 4587.494041][ T1167] __sys_sendmsg+0xcd/0x170 [ 4587.494041][ T1167] do_syscall_64+0xc6/0x1e0 [ 4587.494041][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4587.494041][ T1167] [ 4587.496290][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4587.496290][ T1167] netdev_get_by_index+0x5e/0x80 [ 4587.496290][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4587.496290][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4587.496290][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4587.496290][ T1167] ipv6_add_addr+0x411/0x2000 [ 4587.496290][ T1167] inet6_addr_add+0x30e/0xa40 [ 4587.496290][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4587.496290][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4587.496290][ T1167] netlink_rcv_skb+0x130/0x360 [ 4587.496290][ T1167] netlink_unicast+0x449/0x710 [ 4587.496290][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4587.496290][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4587.496290][ T1167] ___sys_sendmsg+0xee/0x170 [ 4587.496290][ T1167] __sys_sendmsg+0xcd/0x170 [ 4587.496290][ T1167] do_syscall_64+0xc6/0x1e0 [ 4587.496290][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4587.496290][ T1167] [ 4587.498561][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4587.498561][ T1167] netdev_get_by_index+0x5e/0x80 [ 4587.498561][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4587.498561][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4587.498561][ T1167] ip6_route_add+0x1c/0x140 [ 4587.498561][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4587.498561][ T1167] addrconf_add_dev+0xe2/0x170 [ 4587.498561][ T1167] inet6_addr_add+0x12f/0xa40 [ 4587.498561][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4587.498561][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4587.498561][ T1167] netlink_rcv_skb+0x130/0x360 [ 4587.498561][ T1167] netlink_unicast+0x449/0x710 [ 4587.498561][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4587.498561][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4587.498561][ T1167] ___sys_sendmsg+0xee/0x170 [ 4587.498561][ T1167] __sys_sendmsg+0xcd/0x170 [ 4587.498561][ T1167] do_syscall_64+0xc6/0x1e0 [ 4587.498561][ T1167] [ 4587.500756][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4587.500756][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4587.500756][ T1167] ipv6_find_idev+0x102/0x170 [ 4587.500756][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4587.500756][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4587.500756][ T1167] netlink_rcv_skb+0x130/0x360 [ 4587.500756][ T1167] netlink_unicast+0x449/0x710 [ 4587.500756][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4587.500756][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4587.500756][ T1167] ___sys_sendmsg+0xee/0x170 [ 4587.500756][ T1167] __sys_sendmsg+0xcd/0x170 [ 4587.500756][ T1167] do_syscall_64+0xc6/0x1e0 [ 4587.500756][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4587.500756][ T1167] [ 4587.502473][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4587.502473][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4587.502473][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4587.502473][ T1167] ipv6_find_idev+0x102/0x170 [ 4587.502473][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4587.502473][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4587.502473][ T1167] netlink_rcv_skb+0x130/0x360 [ 4587.502473][ T1167] netlink_unicast+0x449/0x710 [ 4587.502473][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4587.502473][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4587.502473][ T1167] ___sys_sendmsg+0xee/0x170 [ 4587.502473][ T1167] __sys_sendmsg+0xcd/0x170 [ 4587.502473][ T1167] do_syscall_64+0xc6/0x1e0 [ 4587.502473][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4587.502473][ T1167] [ 4592.185123][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4592.185528][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4592.185528][ T10] netdev_get_by_index+0x5e/0x80 [ 4592.185528][ T10] fib6_nh_init+0x3d8/0x1580 [ 4592.185528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4592.185528][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4592.185528][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4592.185528][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4592.185528][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4592.185528][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4592.185528][ T10] addrconf_dad_begin+0x310/0x670 [ 4592.185528][ T10] addrconf_dad_work+0x10b/0xab0 [ 4592.185528][ T10] process_one_work+0x84d/0x18a0 [ 4592.185528][ T10] worker_thread+0x587/0xd30 [ 4592.185528][ T10] kthread+0x28a/0x350 [ 4592.185528][ T10] ret_from_fork+0x31/0x70 [ 4592.185528][ T10] ret_from_fork_asm+0x1a/0x30 [ 4592.185528][ T10] [ 4592.187477][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4592.187477][ T10] netdev_get_by_index+0x5e/0x80 [ 4592.187477][ T10] fib6_nh_init+0x3d8/0x1580 [ 4592.187477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4592.187477][ T10] ip6_route_add+0x1c/0x140 [ 4592.187477][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4592.187477][ T10] inet6_addr_add+0x4f8/0xa40 [ 4592.187477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4592.187477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4592.187477][ T10] netlink_rcv_skb+0x130/0x360 [ 4592.187477][ T10] netlink_unicast+0x449/0x710 [ 4592.187477][ T10] netlink_sendmsg+0x723/0xbe0 [ 4592.187477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4592.187477][ T10] ___sys_sendmsg+0xee/0x170 [ 4592.187477][ T10] __sys_sendmsg+0xcd/0x170 [ 4592.187477][ T10] do_syscall_64+0xc6/0x1e0 [ 4592.187477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4592.187477][ T10] [ 4592.189472][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4592.189472][ T10] netdev_get_by_index+0x5e/0x80 [ 4592.189472][ T10] fib6_nh_init+0x3d8/0x1580 [ 4592.189472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4592.189472][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4592.189472][ T10] ipv6_add_addr+0x411/0x2000 [ 4592.189472][ T10] inet6_addr_add+0x30e/0xa40 [ 4592.189472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4592.189472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4592.189472][ T10] netlink_rcv_skb+0x130/0x360 [ 4592.189472][ T10] netlink_unicast+0x449/0x710 [ 4592.189472][ T10] netlink_sendmsg+0x723/0xbe0 [ 4592.189472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4592.189472][ T10] ___sys_sendmsg+0xee/0x170 [ 4592.189472][ T10] __sys_sendmsg+0xcd/0x170 [ 4592.189472][ T10] do_syscall_64+0xc6/0x1e0 [ 4592.189472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4592.189472][ T10] [ 4592.191448][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4592.191448][ T10] netdev_get_by_index+0x5e/0x80 [ 4592.191448][ T10] fib6_nh_init+0x3d8/0x1580 [ 4592.191448][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4592.191448][ T10] ip6_route_add+0x1c/0x140 [ 4592.191448][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4592.191448][ T10] addrconf_add_dev+0xe2/0x170 [ 4592.191448][ T10] inet6_addr_add+0x12f/0xa40 [ 4592.191448][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4592.191448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4592.191448][ T10] netlink_rcv_skb+0x130/0x360 [ 4592.191448][ T10] netlink_unicast+0x449/0x710 [ 4592.191448][ T10] netlink_sendmsg+0x723/0xbe0 [ 4592.191448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4592.191448][ T10] ___sys_sendmsg+0xee/0x170 [ 4592.191448][ T10] __sys_sendmsg+0xcd/0x170 [ 4592.191448][ T10] do_syscall_64+0xc6/0x1e0 [ 4592.191448][ T10] [ 4592.193399][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4592.193399][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4592.193399][ T10] ipv6_find_idev+0x102/0x170 [ 4592.193399][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4592.193399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4592.193399][ T10] netlink_rcv_skb+0x130/0x360 [ 4592.193399][ T10] netlink_unicast+0x449/0x710 [ 4592.193399][ T10] netlink_sendmsg+0x723/0xbe0 [ 4592.193399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4592.193399][ T10] ___sys_sendmsg+0xee/0x170 [ 4592.193399][ T10] __sys_sendmsg+0xcd/0x170 [ 4592.193399][ T10] do_syscall_64+0xc6/0x1e0 [ 4592.193399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4592.193399][ T10] [ 4592.194935][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4592.194935][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4592.194935][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4592.194935][ T10] ipv6_find_idev+0x102/0x170 [ 4592.194935][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4592.194935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4592.194935][ T10] netlink_rcv_skb+0x130/0x360 [ 4592.194935][ T10] netlink_unicast+0x449/0x710 [ 4592.194935][ T10] netlink_sendmsg+0x723/0xbe0 [ 4592.194935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4592.194935][ T10] ___sys_sendmsg+0xee/0x170 [ 4592.194935][ T10] __sys_sendmsg+0xcd/0x170 [ 4592.194935][ T10] do_syscall_64+0xc6/0x1e0 [ 4592.194935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4592.194935][ T10] [ 4592.196627][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4592.196901][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4592.196901][ T10] netdev_get_by_index+0x5e/0x80 [ 4592.196901][ T10] fib6_nh_init+0x3d8/0x1580 [ 4592.196901][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4592.196901][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4592.196901][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4592.196901][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4592.196901][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4592.196901][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4592.196901][ T10] addrconf_dad_begin+0x310/0x670 [ 4592.196901][ T10] addrconf_dad_work+0x10b/0xab0 [ 4592.196901][ T10] process_one_work+0x84d/0x18a0 [ 4592.196901][ T10] worker_thread+0x587/0xd30 [ 4592.196901][ T10] kthread+0x28a/0x350 [ 4592.196901][ T10] ret_from_fork+0x31/0x70 [ 4592.196901][ T10] ret_from_fork_asm+0x1a/0x30 [ 4592.196901][ T10] [ 4592.198803][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4592.198803][ T10] netdev_get_by_index+0x5e/0x80 [ 4592.198803][ T10] fib6_nh_init+0x3d8/0x1580 [ 4592.198803][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4592.198803][ T10] ip6_route_add+0x1c/0x140 [ 4592.198803][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4592.198803][ T10] inet6_addr_add+0x4f8/0xa40 [ 4592.198803][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4592.198803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4592.198803][ T10] netlink_rcv_skb+0x130/0x360 [ 4592.198803][ T10] netlink_unicast+0x449/0x710 [ 4592.198803][ T10] netlink_sendmsg+0x723/0xbe0 [ 4592.198803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4592.198803][ T10] ___sys_sendmsg+0xee/0x170 [ 4592.198803][ T10] __sys_sendmsg+0xcd/0x170 [ 4592.198803][ T10] do_syscall_64+0xc6/0x1e0 [ 4592.198803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4592.198803][ T10] [ 4592.200907][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4592.200907][ T10] netdev_get_by_index+0x5e/0x80 [ 4592.200907][ T10] fib6_nh_init+0x3d8/0x1580 [ 4592.200907][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4592.200907][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4592.200907][ T10] ipv6_add_addr+0x411/0x2000 [ 4592.200907][ T10] inet6_addr_add+0x30e/0xa40 [ 4592.200907][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4592.200907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4592.200907][ T10] netlink_rcv_skb+0x130/0x360 [ 4592.200907][ T10] netlink_unicast+0x449/0x710 [ 4592.200907][ T10] netlink_sendmsg+0x723/0xbe0 [ 4592.200907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4592.200907][ T10] ___sys_sendmsg+0xee/0x170 [ 4592.200907][ T10] __sys_sendmsg+0xcd/0x170 [ 4592.200907][ T10] do_syscall_64+0xc6/0x1e0 [ 4592.200907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4592.200907][ T10] [ 4592.202912][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4592.202912][ T10] netdev_get_by_index+0x5e/0x80 [ 4592.202912][ T10] fib6_nh_init+0x3d8/0x1580 [ 4592.202912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4592.202912][ T10] ip6_route_add+0x1c/0x140 [ 4592.202912][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4592.202912][ T10] addrconf_add_dev+0xe2/0x170 [ 4592.202912][ T10] inet6_addr_add+0x12f/0xa40 [ 4592.202912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4592.202912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4592.202912][ T10] netlink_rcv_skb+0x130/0x360 [ 4592.202912][ T10] netlink_unicast+0x449/0x710 [ 4592.202912][ T10] netlink_sendmsg+0x723/0xbe0 [ 4592.202912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4592.202912][ T10] ___sys_sendmsg+0xee/0x170 [ 4592.202912][ T10] __sys_sendmsg+0xcd/0x170 [ 4592.202912][ T10] do_syscall_64+0xc6/0x1e0 [ 4592.202912][ T10] [ 4592.204881][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4592.204881][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4592.204881][ T10] ipv6_find_idev+0x102/0x170 [ 4592.204881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4592.204881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4592.204881][ T10] netlink_rcv_skb+0x130/0x360 [ 4592.204881][ T10] netlink_unicast+0x449/0x710 [ 4592.204881][ T10] netlink_sendmsg+0x723/0xbe0 [ 4592.204881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4592.204881][ T10] ___sys_sendmsg+0xee/0x170 [ 4592.204881][ T10] __sys_sendmsg+0xcd/0x170 [ 4592.204881][ T10] do_syscall_64+0xc6/0x1e0 [ 4592.204881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4592.204881][ T10] [ 4592.206427][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4592.206427][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4592.206427][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4592.206427][ T10] ipv6_find_idev+0x102/0x170 [ 4592.206427][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4592.206427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4592.206427][ T10] netlink_rcv_skb+0x130/0x360 [ 4592.206427][ T10] netlink_unicast+0x449/0x710 [ 4592.206427][ T10] netlink_sendmsg+0x723/0xbe0 [ 4592.206427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4592.206427][ T10] ___sys_sendmsg+0xee/0x170 [ 4592.206427][ T10] __sys_sendmsg+0xcd/0x170 [ 4592.206427][ T10] do_syscall_64+0xc6/0x1e0 [ 4592.206427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4592.206427][ T10] [ 4592.208095][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4592.208333][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4592.208333][ T10] netdev_get_by_index+0x5e/0x80 [ 4592.208333][ T10] fib6_nh_init+0x3d8/0x1580 [ 4592.208333][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4592.208333][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4592.208333][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4592.208333][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4592.208333][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4592.208333][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4592.208333][ T10] addrconf_dad_begin+0x310/0x670 [ 4592.208333][ T10] addrconf_dad_work+0x10b/0xab0 [ 4592.208333][ T10] process_one_work+0x84d/0x18a0 [ 4592.208333][ T10] worker_thread+0x587/0xd30 [ 4592.208333][ T10] kthread+0x28a/0x350 [ 4592.208333][ T10] ret_from_fork+0x31/0x70 [ 4592.208333][ T10] ret_from_fork_asm+0x1a/0x30 [ 4592.208333][ T10] [ 4592.210749][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4592.210749][ T10] netdev_get_by_index+0x5e/0x80 [ 4592.210749][ T10] fib6_nh_init+0x3d8/0x1580 [ 4592.210749][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4592.210749][ T10] ip6_route_add+0x1c/0x140 [ 4592.210749][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4592.210749][ T10] inet6_addr_add+0x4f8/0xa40 [ 4592.210749][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4592.210749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4592.210749][ T10] netlink_rcv_skb+0x130/0x360 [ 4592.210749][ T10] netlink_unicast+0x449/0x710 [ 4592.210749][ T10] netlink_sendmsg+0x723/0xbe0 [ 4592.210749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4592.210749][ T10] ___sys_sendmsg+0xee/0x170 [ 4592.210749][ T10] __sys_sendmsg+0xcd/0x170 [ 4592.210749][ T10] do_syscall_64+0xc6/0x1e0 [ 4592.210749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4592.210749][ T10] [ 4592.218997][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4592.218997][ T10] netdev_get_by_index+0x5e/0x80 [ 4592.218997][ T10] fib6_nh_init+0x3d8/0x1580 [ 4592.218997][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4592.218997][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4592.218997][ T10] ipv6_add_addr+0x411/0x2000 [ 4592.218997][ T10] inet6_addr_add+0x30e/0xa40 [ 4592.218997][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4592.218997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4592.218997][ T10] netlink_rcv_skb+0x130/0x360 [ 4592.218997][ T10] netlink_unicast+0x449/0x710 [ 4592.218997][ T10] netlink_sendmsg+0x723/0xbe0 [ 4592.218997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4592.218997][ T10] ___sys_sendmsg+0xee/0x170 [ 4592.218997][ T10] __sys_sendmsg+0xcd/0x170 [ 4592.218997][ T10] do_syscall_64+0xc6/0x1e0 [ 4592.218997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4592.218997][ T10] [ 4592.221418][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4592.221418][ T10] netdev_get_by_index+0x5e/0x80 [ 4592.221418][ T10] fib6_nh_init+0x3d8/0x1580 [ 4592.221418][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4592.221418][ T10] ip6_route_add+0x1c/0x140 [ 4592.221418][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4592.221418][ T10] addrconf_add_dev+0xe2/0x170 [ 4592.221418][ T10] inet6_addr_add+0x12f/0xa40 [ 4592.221418][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4592.221418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4592.221418][ T10] netlink_rcv_skb+0x130/0x360 [ 4592.221418][ T10] netlink_unicast+0x449/0x710 [ 4592.221418][ T10] netlink_sendmsg+0x723/0xbe0 [ 4592.221418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4592.221418][ T10] ___sys_sendmsg+0xee/0x170 [ 4592.221418][ T10] __sys_sendmsg+0xcd/0x170 [ 4592.221418][ T10] do_syscall_64+0xc6/0x1e0 [ 4592.221418][ T10] [ 4592.223567][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4592.223567][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4592.223567][ T10] ipv6_find_idev+0x102/0x170 [ 4592.223567][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4592.223567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4592.223567][ T10] netlink_rcv_skb+0x130/0x360 [ 4592.223567][ T10] netlink_unicast+0x449/0x710 [ 4592.223567][ T10] netlink_sendmsg+0x723/0xbe0 [ 4592.223567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4592.223567][ T10] ___sys_sendmsg+0xee/0x170 [ 4592.223567][ T10] __sys_sendmsg+0xcd/0x170 [ 4592.223567][ T10] do_syscall_64+0xc6/0x1e0 [ 4592.223567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4592.223567][ T10] [ 4592.225297][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4592.225297][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4592.225297][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4592.225297][ T10] ipv6_find_idev+0x102/0x170 [ 4592.225297][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4592.225297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4592.225297][ T10] netlink_rcv_skb+0x130/0x360 [ 4592.225297][ T10] netlink_unicast+0x449/0x710 [ 4592.225297][ T10] netlink_sendmsg+0x723/0xbe0 [ 4592.225297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4592.225297][ T10] ___sys_sendmsg+0xee/0x170 [ 4592.225297][ T10] __sys_sendmsg+0xcd/0x170 [ 4592.225297][ T10] do_syscall_64+0xc6/0x1e0 [ 4592.225297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4592.225297][ T10] [ 4592.227186][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4592.227436][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4592.227436][ T10] netdev_get_by_index+0x5e/0x80 [ 4592.227436][ T10] fib6_nh_init+0x3d8/0x1580 [ 4592.227436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4592.227436][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4592.227436][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4592.227436][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4592.227436][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4592.227436][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4592.227436][ T10] addrconf_dad_begin+0x310/0x670 [ 4592.227436][ T10] addrconf_dad_work+0x10b/0xab0 [ 4592.227436][ T10] process_one_work+0x84d/0x18a0 [ 4592.227436][ T10] worker_thread+0x587/0xd30 [ 4592.227436][ T10] kthread+0x28a/0x350 [ 4592.227436][ T10] ret_from_fork+0x31/0x70 [ 4592.227436][ T10] ret_from_fork_asm+0x1a/0x30 [ 4592.227436][ T10] [ 4592.229645][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4592.229645][ T10] netdev_get_by_index+0x5e/0x80 [ 4592.229645][ T10] fib6_nh_init+0x3d8/0x1580 [ 4592.229645][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4592.229645][ T10] ip6_route_add+0x1c/0x140 [ 4592.229645][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4592.229645][ T10] inet6_addr_add+0x4f8/0xa40 [ 4592.229645][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4592.229645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4592.229645][ T10] netlink_rcv_skb+0x130/0x360 [ 4592.229645][ T10] netlink_unicast+0x449/0x710 [ 4592.229645][ T10] netlink_sendmsg+0x723/0xbe0 [ 4592.229645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4592.229645][ T10] ___sys_sendmsg+0xee/0x170 [ 4592.229645][ T10] __sys_sendmsg+0xcd/0x170 [ 4592.229645][ T10] do_syscall_64+0xc6/0x1e0 [ 4592.229645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4592.229645][ T10] [ 4592.231825][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4592.231825][ T10] netdev_get_by_index+0x5e/0x80 [ 4592.231825][ T10] fib6_nh_init+0x3d8/0x1580 [ 4592.231825][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4592.231825][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4592.231825][ T10] ipv6_add_addr+0x411/0x2000 [ 4592.231825][ T10] inet6_addr_add+0x30e/0xa40 [ 4592.231825][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4592.231825][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4592.231825][ T10] netlink_rcv_skb+0x130/0x360 [ 4592.231825][ T10] netlink_unicast+0x449/0x710 [ 4592.231825][ T10] netlink_sendmsg+0x723/0xbe0 [ 4592.231825][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4592.231825][ T10] ___sys_sendmsg+0xee/0x170 [ 4592.231825][ T10] __sys_sendmsg+0xcd/0x170 [ 4592.231825][ T10] do_syscall_64+0xc6/0x1e0 [ 4592.231825][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4592.231825][ T10] [ 4592.234079][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4592.234079][ T10] netdev_get_by_index+0x5e/0x80 [ 4592.234079][ T10] fib6_nh_init+0x3d8/0x1580 [ 4592.234079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4592.234079][ T10] ip6_route_add+0x1c/0x140 [ 4592.234079][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4592.234079][ T10] addrconf_add_dev+0xe2/0x170 [ 4592.234079][ T10] inet6_addr_add+0x12f/0xa40 [ 4592.234079][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4592.234079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4592.234079][ T10] netlink_rcv_skb+0x130/0x360 [ 4592.234079][ T10] netlink_unicast+0x449/0x710 [ 4592.234079][ T10] netlink_sendmsg+0x723/0xbe0 [ 4592.234079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4592.234079][ T10] ___sys_sendmsg+0xee/0x170 [ 4592.234079][ T10] __sys_sendmsg+0xcd/0x170 [ 4592.234079][ T10] do_syscall_64+0xc6/0x1e0 [ 4592.234079][ T10] [ 4592.236288][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4592.236288][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4592.236288][ T10] ipv6_find_idev+0x102/0x170 [ 4592.236288][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4592.236288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4592.236288][ T10] netlink_rcv_skb+0x130/0x360 [ 4592.236288][ T10] netlink_unicast+0x449/0x710 [ 4592.236288][ T10] netlink_sendmsg+0x723/0xbe0 [ 4592.236288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4592.236288][ T10] ___sys_sendmsg+0xee/0x170 [ 4592.236288][ T10] __sys_sendmsg+0xcd/0x170 [ 4592.236288][ T10] do_syscall_64+0xc6/0x1e0 [ 4592.236288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4592.236288][ T10] [ 4592.238017][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4592.238017][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4592.238017][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4592.238017][ T10] ipv6_find_idev+0x102/0x170 [ 4592.238017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4592.238017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4592.238017][ T10] netlink_rcv_skb+0x130/0x360 [ 4592.238017][ T10] netlink_unicast+0x449/0x710 [ 4592.238017][ T10] netlink_sendmsg+0x723/0xbe0 [ 4592.238017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4592.238017][ T10] ___sys_sendmsg+0xee/0x170 [ 4592.238017][ T10] __sys_sendmsg+0xcd/0x170 [ 4592.238017][ T10] do_syscall_64+0xc6/0x1e0 [ 4592.238017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4592.238017][ T10] [ 4597.561127][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4597.561610][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4597.561610][ T1167] dst_init+0x84/0x4a0 [ 4597.561610][ T1167] dst_alloc+0x97/0x150 [ 4597.561610][ T1167] ip6_dst_alloc+0x23/0x90 [ 4597.561610][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4597.561610][ T1167] ip6_pol_route+0x56f/0x840 [ 4597.561610][ T1167] fib6_rule_lookup+0x334/0x630 [ 4597.561610][ T1167] ip6_route_output_flags+0x259/0x480 [ 4597.561610][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4597.561610][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4597.561610][ T1167] netlink_rcv_skb+0x130/0x360 [ 4597.561610][ T1167] netlink_unicast+0x449/0x710 [ 4597.561610][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4597.561610][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4597.561610][ T1167] ___sys_sendmsg+0xee/0x170 [ 4597.561610][ T1167] __sys_sendmsg+0xcd/0x170 [ 4597.561610][ T1167] do_syscall_64+0xc6/0x1e0 [ 4597.561610][ T1167] [ 4597.563845][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4597.563845][ T1167] netdev_get_by_index+0x5e/0x80 [ 4597.563845][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4597.563845][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4597.563845][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4597.563845][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4597.563845][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4597.563845][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4597.563845][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4597.563845][ T1167] addrconf_dad_begin+0x310/0x670 [ 4597.563845][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4597.563845][ T1167] process_one_work+0x84d/0x18a0 [ 4597.563845][ T1167] worker_thread+0x587/0xd30 [ 4597.563845][ T1167] kthread+0x28a/0x350 [ 4597.563845][ T1167] ret_from_fork+0x31/0x70 [ 4597.563845][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4597.563845][ T1167] [ 4597.566090][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4597.566090][ T1167] netdev_get_by_index+0x5e/0x80 [ 4597.566090][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4597.566090][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4597.566090][ T1167] ip6_route_add+0x1c/0x140 [ 4597.566090][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4597.566090][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4597.566090][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4597.566090][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4597.566090][ T1167] netlink_rcv_skb+0x130/0x360 [ 4597.566090][ T1167] netlink_unicast+0x449/0x710 [ 4597.566090][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4597.566090][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4597.566090][ T1167] ___sys_sendmsg+0xee/0x170 [ 4597.566090][ T1167] __sys_sendmsg+0xcd/0x170 [ 4597.566090][ T1167] do_syscall_64+0xc6/0x1e0 [ 4597.566090][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4597.566090][ T1167] [ 4597.568363][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4597.568363][ T1167] netdev_get_by_index+0x5e/0x80 [ 4597.568363][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4597.568363][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4597.568363][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4597.568363][ T1167] ipv6_add_addr+0x411/0x2000 [ 4597.568363][ T1167] inet6_addr_add+0x30e/0xa40 [ 4597.568363][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4597.568363][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4597.568363][ T1167] netlink_rcv_skb+0x130/0x360 [ 4597.568363][ T1167] netlink_unicast+0x449/0x710 [ 4597.568363][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4597.568363][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4597.568363][ T1167] ___sys_sendmsg+0xee/0x170 [ 4597.568363][ T1167] __sys_sendmsg+0xcd/0x170 [ 4597.568363][ T1167] do_syscall_64+0xc6/0x1e0 [ 4597.568363][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4597.568363][ T1167] [ 4597.570637][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4597.570637][ T1167] netdev_get_by_index+0x5e/0x80 [ 4597.570637][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4597.570637][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4597.570637][ T1167] ip6_route_add+0x1c/0x140 [ 4597.570637][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4597.570637][ T1167] addrconf_add_dev+0xe2/0x170 [ 4597.570637][ T1167] inet6_addr_add+0x12f/0xa40 [ 4597.570637][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4597.570637][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4597.570637][ T1167] netlink_rcv_skb+0x130/0x360 [ 4597.570637][ T1167] netlink_unicast+0x449/0x710 [ 4597.570637][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4597.570637][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4597.570637][ T1167] ___sys_sendmsg+0xee/0x170 [ 4597.570637][ T1167] __sys_sendmsg+0xcd/0x170 [ 4597.570637][ T1167] do_syscall_64+0xc6/0x1e0 [ 4597.570637][ T1167] [ 4597.572841][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4597.572841][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4597.572841][ T1167] ipv6_find_idev+0x102/0x170 [ 4597.572841][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4597.572841][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4597.572841][ T1167] netlink_rcv_skb+0x130/0x360 [ 4597.572841][ T1167] netlink_unicast+0x449/0x710 [ 4597.572841][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4597.572841][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4597.572841][ T1167] ___sys_sendmsg+0xee/0x170 [ 4597.572841][ T1167] __sys_sendmsg+0xcd/0x170 [ 4597.572841][ T1167] do_syscall_64+0xc6/0x1e0 [ 4597.572841][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4597.572841][ T1167] [ 4597.574574][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4597.574574][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4597.574574][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4597.574574][ T1167] ipv6_find_idev+0x102/0x170 [ 4597.574574][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4597.574574][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4597.574574][ T1167] netlink_rcv_skb+0x130/0x360 [ 4597.574574][ T1167] netlink_unicast+0x449/0x710 [ 4597.574574][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4597.574574][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4597.574574][ T1167] ___sys_sendmsg+0xee/0x170 [ 4597.574574][ T1167] __sys_sendmsg+0xcd/0x170 [ 4597.574574][ T1167] do_syscall_64+0xc6/0x1e0 [ 4597.574574][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4597.574574][ T1167] [ 4602.481108][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4602.481534][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4602.481534][ T10] netdev_get_by_index+0x5e/0x80 [ 4602.481534][ T10] fib6_nh_init+0x3d8/0x1580 [ 4602.481534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4602.481534][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4602.481534][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4602.481534][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4602.481534][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4602.481534][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4602.481534][ T10] addrconf_dad_begin+0x310/0x670 [ 4602.481534][ T10] addrconf_dad_work+0x10b/0xab0 [ 4602.481534][ T10] process_one_work+0x84d/0x18a0 [ 4602.481534][ T10] worker_thread+0x587/0xd30 [ 4602.481534][ T10] kthread+0x28a/0x350 [ 4602.481534][ T10] ret_from_fork+0x31/0x70 [ 4602.481534][ T10] ret_from_fork_asm+0x1a/0x30 [ 4602.481534][ T10] [ 4602.483468][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4602.483468][ T10] netdev_get_by_index+0x5e/0x80 [ 4602.483468][ T10] fib6_nh_init+0x3d8/0x1580 [ 4602.483468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4602.483468][ T10] ip6_route_add+0x1c/0x140 [ 4602.483468][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4602.483468][ T10] inet6_addr_add+0x4f8/0xa40 [ 4602.483468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4602.483468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4602.483468][ T10] netlink_rcv_skb+0x130/0x360 [ 4602.483468][ T10] netlink_unicast+0x449/0x710 [ 4602.483468][ T10] netlink_sendmsg+0x723/0xbe0 [ 4602.483468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4602.483468][ T10] ___sys_sendmsg+0xee/0x170 [ 4602.483468][ T10] __sys_sendmsg+0xcd/0x170 [ 4602.483468][ T10] do_syscall_64+0xc6/0x1e0 [ 4602.483468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4602.483468][ T10] [ 4602.485477][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4602.485477][ T10] netdev_get_by_index+0x5e/0x80 [ 4602.485477][ T10] fib6_nh_init+0x3d8/0x1580 [ 4602.485477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4602.485477][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4602.485477][ T10] ipv6_add_addr+0x411/0x2000 [ 4602.485477][ T10] inet6_addr_add+0x30e/0xa40 [ 4602.485477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4602.485477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4602.485477][ T10] netlink_rcv_skb+0x130/0x360 [ 4602.485477][ T10] netlink_unicast+0x449/0x710 [ 4602.485477][ T10] netlink_sendmsg+0x723/0xbe0 [ 4602.485477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4602.485477][ T10] ___sys_sendmsg+0xee/0x170 [ 4602.485477][ T10] __sys_sendmsg+0xcd/0x170 [ 4602.485477][ T10] do_syscall_64+0xc6/0x1e0 [ 4602.485477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4602.485477][ T10] [ 4602.487505][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4602.487505][ T10] netdev_get_by_index+0x5e/0x80 [ 4602.487505][ T10] fib6_nh_init+0x3d8/0x1580 [ 4602.487505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4602.487505][ T10] ip6_route_add+0x1c/0x140 [ 4602.487505][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4602.487505][ T10] addrconf_add_dev+0xe2/0x170 [ 4602.487505][ T10] inet6_addr_add+0x12f/0xa40 [ 4602.487505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4602.487505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4602.487505][ T10] netlink_rcv_skb+0x130/0x360 [ 4602.487505][ T10] netlink_unicast+0x449/0x710 [ 4602.487505][ T10] netlink_sendmsg+0x723/0xbe0 [ 4602.487505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4602.487505][ T10] ___sys_sendmsg+0xee/0x170 [ 4602.487505][ T10] __sys_sendmsg+0xcd/0x170 [ 4602.487505][ T10] do_syscall_64+0xc6/0x1e0 [ 4602.487505][ T10] [ 4602.489482][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4602.489482][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4602.489482][ T10] ipv6_find_idev+0x102/0x170 [ 4602.489482][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4602.489482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4602.489482][ T10] netlink_rcv_skb+0x130/0x360 [ 4602.489482][ T10] netlink_unicast+0x449/0x710 [ 4602.489482][ T10] netlink_sendmsg+0x723/0xbe0 [ 4602.489482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4602.489482][ T10] ___sys_sendmsg+0xee/0x170 [ 4602.489482][ T10] __sys_sendmsg+0xcd/0x170 [ 4602.489482][ T10] do_syscall_64+0xc6/0x1e0 [ 4602.489482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4602.489482][ T10] [ 4602.491028][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4602.491028][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4602.491028][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4602.491028][ T10] ipv6_find_idev+0x102/0x170 [ 4602.491028][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4602.491028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4602.491028][ T10] netlink_rcv_skb+0x130/0x360 [ 4602.491028][ T10] netlink_unicast+0x449/0x710 [ 4602.491028][ T10] netlink_sendmsg+0x723/0xbe0 [ 4602.491028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4602.491028][ T10] ___sys_sendmsg+0xee/0x170 [ 4602.491028][ T10] __sys_sendmsg+0xcd/0x170 [ 4602.491028][ T10] do_syscall_64+0xc6/0x1e0 [ 4602.491028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4602.491028][ T10] [ 4602.492711][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4602.492952][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4602.492952][ T10] netdev_get_by_index+0x5e/0x80 [ 4602.492952][ T10] fib6_nh_init+0x3d8/0x1580 [ 4602.492952][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4602.492952][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4602.492952][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4602.492952][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4602.492952][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4602.492952][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4602.492952][ T10] addrconf_dad_begin+0x310/0x670 [ 4602.492952][ T10] addrconf_dad_work+0x10b/0xab0 [ 4602.492952][ T10] process_one_work+0x84d/0x18a0 [ 4602.492952][ T10] worker_thread+0x587/0xd30 [ 4602.492952][ T10] kthread+0x28a/0x350 [ 4602.492952][ T10] ret_from_fork+0x31/0x70 [ 4602.492952][ T10] ret_from_fork_asm+0x1a/0x30 [ 4602.492952][ T10] [ 4602.494860][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4602.494860][ T10] netdev_get_by_index+0x5e/0x80 [ 4602.494860][ T10] fib6_nh_init+0x3d8/0x1580 [ 4602.494860][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4602.494860][ T10] ip6_route_add+0x1c/0x140 [ 4602.494860][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4602.494860][ T10] inet6_addr_add+0x4f8/0xa40 [ 4602.494860][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4602.494860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4602.494860][ T10] netlink_rcv_skb+0x130/0x360 [ 4602.494860][ T10] netlink_unicast+0x449/0x710 [ 4602.494860][ T10] netlink_sendmsg+0x723/0xbe0 [ 4602.494860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4602.494860][ T10] ___sys_sendmsg+0xee/0x170 [ 4602.494860][ T10] __sys_sendmsg+0xcd/0x170 [ 4602.494860][ T10] do_syscall_64+0xc6/0x1e0 [ 4602.494860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4602.494860][ T10] [ 4602.496867][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4602.496867][ T10] netdev_get_by_index+0x5e/0x80 [ 4602.496867][ T10] fib6_nh_init+0x3d8/0x1580 [ 4602.496867][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4602.496867][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4602.496867][ T10] ipv6_add_addr+0x411/0x2000 [ 4602.496867][ T10] inet6_addr_add+0x30e/0xa40 [ 4602.496867][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4602.496867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4602.496867][ T10] netlink_rcv_skb+0x130/0x360 [ 4602.496867][ T10] netlink_unicast+0x449/0x710 [ 4602.496867][ T10] netlink_sendmsg+0x723/0xbe0 [ 4602.496867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4602.496867][ T10] ___sys_sendmsg+0xee/0x170 [ 4602.496867][ T10] __sys_sendmsg+0xcd/0x170 [ 4602.496867][ T10] do_syscall_64+0xc6/0x1e0 [ 4602.496867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4602.496867][ T10] [ 4602.498855][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4602.498855][ T10] netdev_get_by_index+0x5e/0x80 [ 4602.498855][ T10] fib6_nh_init+0x3d8/0x1580 [ 4602.498855][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4602.498855][ T10] ip6_route_add+0x1c/0x140 [ 4602.498855][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4602.498855][ T10] addrconf_add_dev+0xe2/0x170 [ 4602.498855][ T10] inet6_addr_add+0x12f/0xa40 [ 4602.498855][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4602.498855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4602.498855][ T10] netlink_rcv_skb+0x130/0x360 [ 4602.498855][ T10] netlink_unicast+0x449/0x710 [ 4602.498855][ T10] netlink_sendmsg+0x723/0xbe0 [ 4602.498855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4602.498855][ T10] ___sys_sendmsg+0xee/0x170 [ 4602.498855][ T10] __sys_sendmsg+0xcd/0x170 [ 4602.498855][ T10] do_syscall_64+0xc6/0x1e0 [ 4602.498855][ T10] [ 4602.500830][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4602.500830][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4602.500830][ T10] ipv6_find_idev+0x102/0x170 [ 4602.500830][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4602.500830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4602.500830][ T10] netlink_rcv_skb+0x130/0x360 [ 4602.500830][ T10] netlink_unicast+0x449/0x710 [ 4602.500830][ T10] netlink_sendmsg+0x723/0xbe0 [ 4602.500830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4602.500830][ T10] ___sys_sendmsg+0xee/0x170 [ 4602.500830][ T10] __sys_sendmsg+0xcd/0x170 [ 4602.500830][ T10] do_syscall_64+0xc6/0x1e0 [ 4602.500830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4602.500830][ T10] [ 4602.505155][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4602.505155][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4602.505155][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4602.505155][ T10] ipv6_find_idev+0x102/0x170 [ 4602.505155][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4602.505155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4602.505155][ T10] netlink_rcv_skb+0x130/0x360 [ 4602.505155][ T10] netlink_unicast+0x449/0x710 [ 4602.505155][ T10] netlink_sendmsg+0x723/0xbe0 [ 4602.505155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4602.505155][ T10] ___sys_sendmsg+0xee/0x170 [ 4602.505155][ T10] __sys_sendmsg+0xcd/0x170 [ 4602.505155][ T10] do_syscall_64+0xc6/0x1e0 [ 4602.505155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4602.505155][ T10] [ 4602.506871][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4602.507130][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4602.507130][ T10] netdev_get_by_index+0x5e/0x80 [ 4602.507130][ T10] fib6_nh_init+0x3d8/0x1580 [ 4602.507130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4602.507130][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4602.507130][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4602.507130][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4602.507130][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4602.507130][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4602.507130][ T10] addrconf_dad_begin+0x310/0x670 [ 4602.507130][ T10] addrconf_dad_work+0x10b/0xab0 [ 4602.507130][ T10] process_one_work+0x84d/0x18a0 [ 4602.507130][ T10] worker_thread+0x587/0xd30 [ 4602.507130][ T10] kthread+0x28a/0x350 [ 4602.507130][ T10] ret_from_fork+0x31/0x70 [ 4602.507130][ T10] ret_from_fork_asm+0x1a/0x30 [ 4602.507130][ T10] [ 4602.509049][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4602.509049][ T10] netdev_get_by_index+0x5e/0x80 [ 4602.509049][ T10] fib6_nh_init+0x3d8/0x1580 [ 4602.509049][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4602.509049][ T10] ip6_route_add+0x1c/0x140 [ 4602.509049][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4602.509049][ T10] inet6_addr_add+0x4f8/0xa40 [ 4602.509049][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4602.509049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4602.509049][ T10] netlink_rcv_skb+0x130/0x360 [ 4602.509049][ T10] netlink_unicast+0x449/0x710 [ 4602.509049][ T10] netlink_sendmsg+0x723/0xbe0 [ 4602.509049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4602.509049][ T10] ___sys_sendmsg+0xee/0x170 [ 4602.509049][ T10] __sys_sendmsg+0xcd/0x170 [ 4602.509049][ T10] do_syscall_64+0xc6/0x1e0 [ 4602.509049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4602.509049][ T10] [ 4602.511225][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4602.511225][ T10] netdev_get_by_index+0x5e/0x80 [ 4602.511225][ T10] fib6_nh_init+0x3d8/0x1580 [ 4602.511225][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4602.511225][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4602.511225][ T10] ipv6_add_addr+0x411/0x2000 [ 4602.511225][ T10] inet6_addr_add+0x30e/0xa40 [ 4602.511225][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4602.511225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4602.511225][ T10] netlink_rcv_skb+0x130/0x360 [ 4602.511225][ T10] netlink_unicast+0x449/0x710 [ 4602.511225][ T10] netlink_sendmsg+0x723/0xbe0 [ 4602.511225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4602.511225][ T10] ___sys_sendmsg+0xee/0x170 [ 4602.511225][ T10] __sys_sendmsg+0xcd/0x170 [ 4602.511225][ T10] do_syscall_64+0xc6/0x1e0 [ 4602.511225][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4602.511225][ T10] [ 4602.513527][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4602.513527][ T10] netdev_get_by_index+0x5e/0x80 [ 4602.513527][ T10] fib6_nh_init+0x3d8/0x1580 [ 4602.513527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4602.513527][ T10] ip6_route_add+0x1c/0x140 [ 4602.513527][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4602.513527][ T10] addrconf_add_dev+0xe2/0x170 [ 4602.513527][ T10] inet6_addr_add+0x12f/0xa40 [ 4602.513527][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4602.513527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4602.513527][ T10] netlink_rcv_skb+0x130/0x360 [ 4602.513527][ T10] netlink_unicast+0x449/0x710 [ 4602.513527][ T10] netlink_sendmsg+0x723/0xbe0 [ 4602.513527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4602.513527][ T10] ___sys_sendmsg+0xee/0x170 [ 4602.513527][ T10] __sys_sendmsg+0xcd/0x170 [ 4602.513527][ T10] do_syscall_64+0xc6/0x1e0 [ 4602.513527][ T10] [ 4602.515735][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4602.515735][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4602.515735][ T10] ipv6_find_idev+0x102/0x170 [ 4602.515735][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4602.515735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4602.515735][ T10] netlink_rcv_skb+0x130/0x360 [ 4602.515735][ T10] netlink_unicast+0x449/0x710 [ 4602.515735][ T10] netlink_sendmsg+0x723/0xbe0 [ 4602.515735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4602.515735][ T10] ___sys_sendmsg+0xee/0x170 [ 4602.515735][ T10] __sys_sendmsg+0xcd/0x170 [ 4602.515735][ T10] do_syscall_64+0xc6/0x1e0 [ 4602.515735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4602.515735][ T10] [ 4602.517467][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4602.517467][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4602.517467][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4602.517467][ T10] ipv6_find_idev+0x102/0x170 [ 4602.517467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4602.517467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4602.517467][ T10] netlink_rcv_skb+0x130/0x360 [ 4602.517467][ T10] netlink_unicast+0x449/0x710 [ 4602.517467][ T10] netlink_sendmsg+0x723/0xbe0 [ 4602.517467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4602.517467][ T10] ___sys_sendmsg+0xee/0x170 [ 4602.517467][ T10] __sys_sendmsg+0xcd/0x170 [ 4602.517467][ T10] do_syscall_64+0xc6/0x1e0 [ 4602.517467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4602.517467][ T10] [ 4602.519290][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4602.519530][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4602.519530][ T10] netdev_get_by_index+0x5e/0x80 [ 4602.519530][ T10] fib6_nh_init+0x3d8/0x1580 [ 4602.519530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4602.519530][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4602.519530][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4602.519530][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4602.519530][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4602.519530][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4602.519530][ T10] addrconf_dad_begin+0x310/0x670 [ 4602.519530][ T10] addrconf_dad_work+0x10b/0xab0 [ 4602.519530][ T10] process_one_work+0x84d/0x18a0 [ 4602.519530][ T10] worker_thread+0x587/0xd30 [ 4602.519530][ T10] kthread+0x28a/0x350 [ 4602.519530][ T10] ret_from_fork+0x31/0x70 [ 4602.519530][ T10] ret_from_fork_asm+0x1a/0x30 [ 4602.519530][ T10] [ 4602.521754][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4602.521754][ T10] netdev_get_by_index+0x5e/0x80 [ 4602.521754][ T10] fib6_nh_init+0x3d8/0x1580 [ 4602.521754][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4602.521754][ T10] ip6_route_add+0x1c/0x140 [ 4602.521754][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4602.521754][ T10] inet6_addr_add+0x4f8/0xa40 [ 4602.521754][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4602.521754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4602.521754][ T10] netlink_rcv_skb+0x130/0x360 [ 4602.521754][ T10] netlink_unicast+0x449/0x710 [ 4602.521754][ T10] netlink_sendmsg+0x723/0xbe0 [ 4602.521754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4602.521754][ T10] ___sys_sendmsg+0xee/0x170 [ 4602.521754][ T10] __sys_sendmsg+0xcd/0x170 [ 4602.521754][ T10] do_syscall_64+0xc6/0x1e0 [ 4602.521754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4602.521754][ T10] [ 4602.523997][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4602.523997][ T10] netdev_get_by_index+0x5e/0x80 [ 4602.523997][ T10] fib6_nh_init+0x3d8/0x1580 [ 4602.523997][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4602.523997][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4602.523997][ T10] ipv6_add_addr+0x411/0x2000 [ 4602.523997][ T10] inet6_addr_add+0x30e/0xa40 [ 4602.523997][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4602.523997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4602.523997][ T10] netlink_rcv_skb+0x130/0x360 [ 4602.523997][ T10] netlink_unicast+0x449/0x710 [ 4602.523997][ T10] netlink_sendmsg+0x723/0xbe0 [ 4602.523997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4602.523997][ T10] ___sys_sendmsg+0xee/0x170 [ 4602.523997][ T10] __sys_sendmsg+0xcd/0x170 [ 4602.523997][ T10] do_syscall_64+0xc6/0x1e0 [ 4602.523997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4602.523997][ T10] [ 4602.526192][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4602.526192][ T10] netdev_get_by_index+0x5e/0x80 [ 4602.526192][ T10] fib6_nh_init+0x3d8/0x1580 [ 4602.526192][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4602.526192][ T10] ip6_route_add+0x1c/0x140 [ 4602.526192][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4602.526192][ T10] addrconf_add_dev+0xe2/0x170 [ 4602.526192][ T10] inet6_addr_add+0x12f/0xa40 [ 4602.526192][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4602.526192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4602.526192][ T10] netlink_rcv_skb+0x130/0x360 [ 4602.526192][ T10] netlink_unicast+0x449/0x710 [ 4602.526192][ T10] netlink_sendmsg+0x723/0xbe0 [ 4602.526192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4602.526192][ T10] ___sys_sendmsg+0xee/0x170 [ 4602.526192][ T10] __sys_sendmsg+0xcd/0x170 [ 4602.526192][ T10] do_syscall_64+0xc6/0x1e0 [ 4602.526192][ T10] [ 4602.528404][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4602.528404][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4602.528404][ T10] ipv6_find_idev+0x102/0x170 [ 4602.528404][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4602.528404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4602.528404][ T10] netlink_rcv_skb+0x130/0x360 [ 4602.528404][ T10] netlink_unicast+0x449/0x710 [ 4602.528404][ T10] netlink_sendmsg+0x723/0xbe0 [ 4602.528404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4602.528404][ T10] ___sys_sendmsg+0xee/0x170 [ 4602.528404][ T10] __sys_sendmsg+0xcd/0x170 [ 4602.528404][ T10] do_syscall_64+0xc6/0x1e0 [ 4602.528404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4602.528404][ T10] [ 4602.530128][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4602.530128][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4602.530128][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4602.530128][ T10] ipv6_find_idev+0x102/0x170 [ 4602.530128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4602.530128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4602.530128][ T10] netlink_rcv_skb+0x130/0x360 [ 4602.530128][ T10] netlink_unicast+0x449/0x710 [ 4602.530128][ T10] netlink_sendmsg+0x723/0xbe0 [ 4602.530128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4602.530128][ T10] ___sys_sendmsg+0xee/0x170 [ 4602.530128][ T10] __sys_sendmsg+0xcd/0x170 [ 4602.530128][ T10] do_syscall_64+0xc6/0x1e0 [ 4602.530128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4602.530128][ T10] [ 4607.753158][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4607.753650][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4607.753650][ T1167] dst_init+0x84/0x4a0 [ 4607.753650][ T1167] dst_alloc+0x97/0x150 [ 4607.753650][ T1167] ip6_dst_alloc+0x23/0x90 [ 4607.753650][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4607.753650][ T1167] ip6_pol_route+0x56f/0x840 [ 4607.753650][ T1167] fib6_rule_lookup+0x334/0x630 [ 4607.753650][ T1167] ip6_route_output_flags+0x259/0x480 [ 4607.753650][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4607.753650][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4607.753650][ T1167] netlink_rcv_skb+0x130/0x360 [ 4607.753650][ T1167] netlink_unicast+0x449/0x710 [ 4607.753650][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4607.753650][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4607.753650][ T1167] ___sys_sendmsg+0xee/0x170 [ 4607.753650][ T1167] __sys_sendmsg+0xcd/0x170 [ 4607.753650][ T1167] do_syscall_64+0xc6/0x1e0 [ 4607.753650][ T1167] [ 4607.755849][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4607.755849][ T1167] netdev_get_by_index+0x5e/0x80 [ 4607.755849][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4607.755849][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4607.755849][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4607.755849][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4607.755849][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4607.755849][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4607.755849][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4607.755849][ T1167] addrconf_dad_begin+0x310/0x670 [ 4607.755849][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4607.755849][ T1167] process_one_work+0x84d/0x18a0 [ 4607.755849][ T1167] worker_thread+0x587/0xd30 [ 4607.755849][ T1167] kthread+0x28a/0x350 [ 4607.755849][ T1167] ret_from_fork+0x31/0x70 [ 4607.755849][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4607.755849][ T1167] [ 4607.758016][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4607.758016][ T1167] netdev_get_by_index+0x5e/0x80 [ 4607.758016][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4607.758016][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4607.758016][ T1167] ip6_route_add+0x1c/0x140 [ 4607.758016][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4607.758016][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4607.758016][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4607.758016][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4607.758016][ T1167] netlink_rcv_skb+0x130/0x360 [ 4607.758016][ T1167] netlink_unicast+0x449/0x710 [ 4607.758016][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4607.758016][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4607.758016][ T1167] ___sys_sendmsg+0xee/0x170 [ 4607.758016][ T1167] __sys_sendmsg+0xcd/0x170 [ 4607.758016][ T1167] do_syscall_64+0xc6/0x1e0 [ 4607.758016][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4607.758016][ T1167] [ 4607.760257][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4607.760257][ T1167] netdev_get_by_index+0x5e/0x80 [ 4607.760257][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4607.760257][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4607.760257][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4607.760257][ T1167] ipv6_add_addr+0x411/0x2000 [ 4607.760257][ T1167] inet6_addr_add+0x30e/0xa40 [ 4607.760257][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4607.760257][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4607.760257][ T1167] netlink_rcv_skb+0x130/0x360 [ 4607.760257][ T1167] netlink_unicast+0x449/0x710 [ 4607.760257][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4607.760257][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4607.760257][ T1167] ___sys_sendmsg+0xee/0x170 [ 4607.760257][ T1167] __sys_sendmsg+0xcd/0x170 [ 4607.760257][ T1167] do_syscall_64+0xc6/0x1e0 [ 4607.760257][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4607.760257][ T1167] [ 4607.762500][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4607.762500][ T1167] netdev_get_by_index+0x5e/0x80 [ 4607.762500][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4607.762500][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4607.762500][ T1167] ip6_route_add+0x1c/0x140 [ 4607.762500][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4607.762500][ T1167] addrconf_add_dev+0xe2/0x170 [ 4607.762500][ T1167] inet6_addr_add+0x12f/0xa40 [ 4607.762500][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4607.762500][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4607.762500][ T1167] netlink_rcv_skb+0x130/0x360 [ 4607.762500][ T1167] netlink_unicast+0x449/0x710 [ 4607.762500][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4607.762500][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4607.762500][ T1167] ___sys_sendmsg+0xee/0x170 [ 4607.762500][ T1167] __sys_sendmsg+0xcd/0x170 [ 4607.762500][ T1167] do_syscall_64+0xc6/0x1e0 [ 4607.762500][ T1167] [ 4607.764696][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4607.764696][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4607.764696][ T1167] ipv6_find_idev+0x102/0x170 [ 4607.764696][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4607.764696][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4607.764696][ T1167] netlink_rcv_skb+0x130/0x360 [ 4607.764696][ T1167] netlink_unicast+0x449/0x710 [ 4607.764696][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4607.764696][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4607.764696][ T1167] ___sys_sendmsg+0xee/0x170 [ 4607.764696][ T1167] __sys_sendmsg+0xcd/0x170 [ 4607.764696][ T1167] do_syscall_64+0xc6/0x1e0 [ 4607.764696][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4607.764696][ T1167] [ 4607.766428][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4607.766428][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4607.766428][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4607.766428][ T1167] ipv6_find_idev+0x102/0x170 [ 4607.766428][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4607.766428][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4607.766428][ T1167] netlink_rcv_skb+0x130/0x360 [ 4607.766428][ T1167] netlink_unicast+0x449/0x710 [ 4607.766428][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4607.766428][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4607.766428][ T1167] ___sys_sendmsg+0xee/0x170 [ 4607.766428][ T1167] __sys_sendmsg+0xcd/0x170 [ 4607.766428][ T1167] do_syscall_64+0xc6/0x1e0 [ 4607.766428][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4607.766428][ T1167] [ 4612.617185][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4612.617623][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4612.617623][ T10] netdev_get_by_index+0x5e/0x80 [ 4612.617623][ T10] fib6_nh_init+0x3d8/0x1580 [ 4612.617623][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4612.617623][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4612.617623][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4612.617623][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4612.617623][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4612.617623][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4612.617623][ T10] addrconf_dad_begin+0x310/0x670 [ 4612.617623][ T10] addrconf_dad_work+0x10b/0xab0 [ 4612.617623][ T10] process_one_work+0x84d/0x18a0 [ 4612.617623][ T10] worker_thread+0x587/0xd30 [ 4612.617623][ T10] kthread+0x28a/0x350 [ 4612.617623][ T10] ret_from_fork+0x31/0x70 [ 4612.617623][ T10] ret_from_fork_asm+0x1a/0x30 [ 4612.617623][ T10] [ 4612.619562][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4612.619562][ T10] netdev_get_by_index+0x5e/0x80 [ 4612.619562][ T10] fib6_nh_init+0x3d8/0x1580 [ 4612.619562][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4612.619562][ T10] ip6_route_add+0x1c/0x140 [ 4612.619562][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4612.619562][ T10] inet6_addr_add+0x4f8/0xa40 [ 4612.619562][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4612.619562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4612.619562][ T10] netlink_rcv_skb+0x130/0x360 [ 4612.619562][ T10] netlink_unicast+0x449/0x710 [ 4612.619562][ T10] netlink_sendmsg+0x723/0xbe0 [ 4612.619562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4612.619562][ T10] ___sys_sendmsg+0xee/0x170 [ 4612.619562][ T10] __sys_sendmsg+0xcd/0x170 [ 4612.619562][ T10] do_syscall_64+0xc6/0x1e0 [ 4612.619562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4612.619562][ T10] [ 4612.621571][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4612.621571][ T10] netdev_get_by_index+0x5e/0x80 [ 4612.621571][ T10] fib6_nh_init+0x3d8/0x1580 [ 4612.621571][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4612.621571][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4612.621571][ T10] ipv6_add_addr+0x411/0x2000 [ 4612.621571][ T10] inet6_addr_add+0x30e/0xa40 [ 4612.621571][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4612.621571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4612.621571][ T10] netlink_rcv_skb+0x130/0x360 [ 4612.621571][ T10] netlink_unicast+0x449/0x710 [ 4612.621571][ T10] netlink_sendmsg+0x723/0xbe0 [ 4612.621571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4612.621571][ T10] ___sys_sendmsg+0xee/0x170 [ 4612.621571][ T10] __sys_sendmsg+0xcd/0x170 [ 4612.621571][ T10] do_syscall_64+0xc6/0x1e0 [ 4612.621571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4612.621571][ T10] [ 4612.623582][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4612.623582][ T10] netdev_get_by_index+0x5e/0x80 [ 4612.623582][ T10] fib6_nh_init+0x3d8/0x1580 [ 4612.623582][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4612.623582][ T10] ip6_route_add+0x1c/0x140 [ 4612.623582][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4612.623582][ T10] addrconf_add_dev+0xe2/0x170 [ 4612.623582][ T10] inet6_addr_add+0x12f/0xa40 [ 4612.623582][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4612.623582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4612.623582][ T10] netlink_rcv_skb+0x130/0x360 [ 4612.623582][ T10] netlink_unicast+0x449/0x710 [ 4612.623582][ T10] netlink_sendmsg+0x723/0xbe0 [ 4612.623582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4612.623582][ T10] ___sys_sendmsg+0xee/0x170 [ 4612.623582][ T10] __sys_sendmsg+0xcd/0x170 [ 4612.623582][ T10] do_syscall_64+0xc6/0x1e0 [ 4612.623582][ T10] [ 4612.625552][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4612.625552][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4612.625552][ T10] ipv6_find_idev+0x102/0x170 [ 4612.625552][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4612.625552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4612.625552][ T10] netlink_rcv_skb+0x130/0x360 [ 4612.625552][ T10] netlink_unicast+0x449/0x710 [ 4612.625552][ T10] netlink_sendmsg+0x723/0xbe0 [ 4612.625552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4612.625552][ T10] ___sys_sendmsg+0xee/0x170 [ 4612.625552][ T10] __sys_sendmsg+0xcd/0x170 [ 4612.625552][ T10] do_syscall_64+0xc6/0x1e0 [ 4612.625552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4612.625552][ T10] [ 4612.627127][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4612.627127][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4612.627127][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4612.627127][ T10] ipv6_find_idev+0x102/0x170 [ 4612.627127][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4612.627127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4612.627127][ T10] netlink_rcv_skb+0x130/0x360 [ 4612.627127][ T10] netlink_unicast+0x449/0x710 [ 4612.627127][ T10] netlink_sendmsg+0x723/0xbe0 [ 4612.627127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4612.627127][ T10] ___sys_sendmsg+0xee/0x170 [ 4612.627127][ T10] __sys_sendmsg+0xcd/0x170 [ 4612.627127][ T10] do_syscall_64+0xc6/0x1e0 [ 4612.627127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4612.627127][ T10] [ 4612.628816][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4612.629079][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4612.629079][ T10] netdev_get_by_index+0x5e/0x80 [ 4612.629079][ T10] fib6_nh_init+0x3d8/0x1580 [ 4612.629079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4612.629079][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4612.629079][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4612.629079][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4612.629079][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4612.629079][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4612.629079][ T10] addrconf_dad_begin+0x310/0x670 [ 4612.629079][ T10] addrconf_dad_work+0x10b/0xab0 [ 4612.629079][ T10] process_one_work+0x84d/0x18a0 [ 4612.629079][ T10] worker_thread+0x587/0xd30 [ 4612.629079][ T10] kthread+0x28a/0x350 [ 4612.629079][ T10] ret_from_fork+0x31/0x70 [ 4612.629079][ T10] ret_from_fork_asm+0x1a/0x30 [ 4612.629079][ T10] [ 4612.630998][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4612.630998][ T10] netdev_get_by_index+0x5e/0x80 [ 4612.630998][ T10] fib6_nh_init+0x3d8/0x1580 [ 4612.630998][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4612.630998][ T10] ip6_route_add+0x1c/0x140 [ 4612.630998][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4612.630998][ T10] inet6_addr_add+0x4f8/0xa40 [ 4612.630998][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4612.630998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4612.630998][ T10] netlink_rcv_skb+0x130/0x360 [ 4612.630998][ T10] netlink_unicast+0x449/0x710 [ 4612.630998][ T10] netlink_sendmsg+0x723/0xbe0 [ 4612.630998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4612.630998][ T10] ___sys_sendmsg+0xee/0x170 [ 4612.630998][ T10] __sys_sendmsg+0xcd/0x170 [ 4612.630998][ T10] do_syscall_64+0xc6/0x1e0 [ 4612.630998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4612.630998][ T10] [ 4612.632992][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4612.632992][ T10] netdev_get_by_index+0x5e/0x80 [ 4612.632992][ T10] fib6_nh_init+0x3d8/0x1580 [ 4612.632992][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4612.632992][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4612.632992][ T10] ipv6_add_addr+0x411/0x2000 [ 4612.632992][ T10] inet6_addr_add+0x30e/0xa40 [ 4612.632992][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4612.632992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4612.632992][ T10] netlink_rcv_skb+0x130/0x360 [ 4612.632992][ T10] netlink_unicast+0x449/0x710 [ 4612.632992][ T10] netlink_sendmsg+0x723/0xbe0 [ 4612.632992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4612.632992][ T10] ___sys_sendmsg+0xee/0x170 [ 4612.632992][ T10] __sys_sendmsg+0xcd/0x170 [ 4612.632992][ T10] do_syscall_64+0xc6/0x1e0 [ 4612.632992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4612.632992][ T10] [ 4612.634981][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4612.634981][ T10] netdev_get_by_index+0x5e/0x80 [ 4612.634981][ T10] fib6_nh_init+0x3d8/0x1580 [ 4612.634981][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4612.634981][ T10] ip6_route_add+0x1c/0x140 [ 4612.634981][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4612.634981][ T10] addrconf_add_dev+0xe2/0x170 [ 4612.634981][ T10] inet6_addr_add+0x12f/0xa40 [ 4612.634981][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4612.634981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4612.634981][ T10] netlink_rcv_skb+0x130/0x360 [ 4612.634981][ T10] netlink_unicast+0x449/0x710 [ 4612.634981][ T10] netlink_sendmsg+0x723/0xbe0 [ 4612.634981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4612.634981][ T10] ___sys_sendmsg+0xee/0x170 [ 4612.634981][ T10] __sys_sendmsg+0xcd/0x170 [ 4612.634981][ T10] do_syscall_64+0xc6/0x1e0 [ 4612.634981][ T10] [ 4612.636935][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4612.636935][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4612.636935][ T10] ipv6_find_idev+0x102/0x170 [ 4612.636935][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4612.636935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4612.636935][ T10] netlink_rcv_skb+0x130/0x360 [ 4612.636935][ T10] netlink_unicast+0x449/0x710 [ 4612.636935][ T10] netlink_sendmsg+0x723/0xbe0 [ 4612.636935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4612.636935][ T10] ___sys_sendmsg+0xee/0x170 [ 4612.636935][ T10] __sys_sendmsg+0xcd/0x170 [ 4612.636935][ T10] do_syscall_64+0xc6/0x1e0 [ 4612.636935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4612.636935][ T10] [ 4612.638463][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4612.638463][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4612.638463][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4612.638463][ T10] ipv6_find_idev+0x102/0x170 [ 4612.638463][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4612.638463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4612.638463][ T10] netlink_rcv_skb+0x130/0x360 [ 4612.638463][ T10] netlink_unicast+0x449/0x710 [ 4612.638463][ T10] netlink_sendmsg+0x723/0xbe0 [ 4612.638463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4612.638463][ T10] ___sys_sendmsg+0xee/0x170 [ 4612.638463][ T10] __sys_sendmsg+0xcd/0x170 [ 4612.638463][ T10] do_syscall_64+0xc6/0x1e0 [ 4612.638463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4612.638463][ T10] [ 4612.640145][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4612.640386][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4612.640386][ T10] netdev_get_by_index+0x5e/0x80 [ 4612.640386][ T10] fib6_nh_init+0x3d8/0x1580 [ 4612.640386][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4612.640386][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4612.640386][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4612.640386][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4612.640386][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4612.640386][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4612.640386][ T10] addrconf_dad_begin+0x310/0x670 [ 4612.640386][ T10] addrconf_dad_work+0x10b/0xab0 [ 4612.640386][ T10] process_one_work+0x84d/0x18a0 [ 4612.640386][ T10] worker_thread+0x587/0xd30 [ 4612.640386][ T10] kthread+0x28a/0x350 [ 4612.640386][ T10] ret_from_fork+0x31/0x70 [ 4612.640386][ T10] ret_from_fork_asm+0x1a/0x30 [ 4612.640386][ T10] [ 4612.642287][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4612.642287][ T10] netdev_get_by_index+0x5e/0x80 [ 4612.642287][ T10] fib6_nh_init+0x3d8/0x1580 [ 4612.642287][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4612.642287][ T10] ip6_route_add+0x1c/0x140 [ 4612.642287][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4612.642287][ T10] inet6_addr_add+0x4f8/0xa40 [ 4612.642287][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4612.642287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4612.642287][ T10] netlink_rcv_skb+0x130/0x360 [ 4612.642287][ T10] netlink_unicast+0x449/0x710 [ 4612.642287][ T10] netlink_sendmsg+0x723/0xbe0 [ 4612.642287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4612.642287][ T10] ___sys_sendmsg+0xee/0x170 [ 4612.642287][ T10] __sys_sendmsg+0xcd/0x170 [ 4612.642287][ T10] do_syscall_64+0xc6/0x1e0 [ 4612.642287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4612.642287][ T10] [ 4612.644418][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4612.644418][ T10] netdev_get_by_index+0x5e/0x80 [ 4612.644418][ T10] fib6_nh_init+0x3d8/0x1580 [ 4612.644418][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4612.644418][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4612.644418][ T10] ipv6_add_addr+0x411/0x2000 [ 4612.644418][ T10] inet6_addr_add+0x30e/0xa40 [ 4612.644418][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4612.644418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4612.644418][ T10] netlink_rcv_skb+0x130/0x360 [ 4612.644418][ T10] netlink_unicast+0x449/0x710 [ 4612.644418][ T10] netlink_sendmsg+0x723/0xbe0 [ 4612.644418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4612.644418][ T10] ___sys_sendmsg+0xee/0x170 [ 4612.644418][ T10] __sys_sendmsg+0xcd/0x170 [ 4612.644418][ T10] do_syscall_64+0xc6/0x1e0 [ 4612.644418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4612.644418][ T10] [ 4612.646539][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4612.646539][ T10] netdev_get_by_index+0x5e/0x80 [ 4612.646539][ T10] fib6_nh_init+0x3d8/0x1580 [ 4612.646539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4612.646539][ T10] ip6_route_add+0x1c/0x140 [ 4612.646539][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4612.646539][ T10] addrconf_add_dev+0xe2/0x170 [ 4612.646539][ T10] inet6_addr_add+0x12f/0xa40 [ 4612.646539][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4612.646539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4612.646539][ T10] netlink_rcv_skb+0x130/0x360 [ 4612.646539][ T10] netlink_unicast+0x449/0x710 [ 4612.646539][ T10] netlink_sendmsg+0x723/0xbe0 [ 4612.646539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4612.646539][ T10] ___sys_sendmsg+0xee/0x170 [ 4612.646539][ T10] __sys_sendmsg+0xcd/0x170 [ 4612.646539][ T10] do_syscall_64+0xc6/0x1e0 [ 4612.646539][ T10] [ 4612.648619][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4612.648619][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4612.648619][ T10] ipv6_find_idev+0x102/0x170 [ 4612.648619][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4612.648619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4612.648619][ T10] netlink_rcv_skb+0x130/0x360 [ 4612.648619][ T10] netlink_unicast+0x449/0x710 [ 4612.648619][ T10] netlink_sendmsg+0x723/0xbe0 [ 4612.648619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4612.648619][ T10] ___sys_sendmsg+0xee/0x170 [ 4612.648619][ T10] __sys_sendmsg+0xcd/0x170 [ 4612.648619][ T10] do_syscall_64+0xc6/0x1e0 [ 4612.648619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4612.648619][ T10] [ 4612.650206][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4612.650206][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4612.650206][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4612.650206][ T10] ipv6_find_idev+0x102/0x170 [ 4612.650206][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4612.650206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4612.650206][ T10] netlink_rcv_skb+0x130/0x360 [ 4612.650206][ T10] netlink_unicast+0x449/0x710 [ 4612.650206][ T10] netlink_sendmsg+0x723/0xbe0 [ 4612.650206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4612.650206][ T10] ___sys_sendmsg+0xee/0x170 [ 4612.650206][ T10] __sys_sendmsg+0xcd/0x170 [ 4612.650206][ T10] do_syscall_64+0xc6/0x1e0 [ 4612.650206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4612.650206][ T10] [ 4612.652007][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4612.652244][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4612.652244][ T10] netdev_get_by_index+0x5e/0x80 [ 4612.652244][ T10] fib6_nh_init+0x3d8/0x1580 [ 4612.652244][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4612.652244][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4612.652244][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4612.652244][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4612.652244][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4612.652244][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4612.652244][ T10] addrconf_dad_begin+0x310/0x670 [ 4612.652244][ T10] addrconf_dad_work+0x10b/0xab0 [ 4612.652244][ T10] process_one_work+0x84d/0x18a0 [ 4612.652244][ T10] worker_thread+0x587/0xd30 [ 4612.652244][ T10] kthread+0x28a/0x350 [ 4612.652244][ T10] ret_from_fork+0x31/0x70 [ 4612.652244][ T10] ret_from_fork_asm+0x1a/0x30 [ 4612.652244][ T10] [ 4612.654269][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4612.654269][ T10] netdev_get_by_index+0x5e/0x80 [ 4612.654269][ T10] fib6_nh_init+0x3d8/0x1580 [ 4612.654269][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4612.654269][ T10] ip6_route_add+0x1c/0x140 [ 4612.654269][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4612.654269][ T10] inet6_addr_add+0x4f8/0xa40 [ 4612.654269][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4612.654269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4612.654269][ T10] netlink_rcv_skb+0x130/0x360 [ 4612.654269][ T10] netlink_unicast+0x449/0x710 [ 4612.654269][ T10] netlink_sendmsg+0x723/0xbe0 [ 4612.654269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4612.654269][ T10] ___sys_sendmsg+0xee/0x170 [ 4612.654269][ T10] __sys_sendmsg+0xcd/0x170 [ 4612.654269][ T10] do_syscall_64+0xc6/0x1e0 [ 4612.654269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4612.654269][ T10] [ 4612.656403][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4612.656403][ T10] netdev_get_by_index+0x5e/0x80 [ 4612.656403][ T10] fib6_nh_init+0x3d8/0x1580 [ 4612.656403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4612.656403][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4612.656403][ T10] ipv6_add_addr+0x411/0x2000 [ 4612.656403][ T10] inet6_addr_add+0x30e/0xa40 [ 4612.656403][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4612.656403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4612.656403][ T10] netlink_rcv_skb+0x130/0x360 [ 4612.656403][ T10] netlink_unicast+0x449/0x710 [ 4612.656403][ T10] netlink_sendmsg+0x723/0xbe0 [ 4612.656403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4612.656403][ T10] ___sys_sendmsg+0xee/0x170 [ 4612.656403][ T10] __sys_sendmsg+0xcd/0x170 [ 4612.656403][ T10] do_syscall_64+0xc6/0x1e0 [ 4612.656403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4612.656403][ T10] [ 4612.658515][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4612.658515][ T10] netdev_get_by_index+0x5e/0x80 [ 4612.658515][ T10] fib6_nh_init+0x3d8/0x1580 [ 4612.658515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4612.658515][ T10] ip6_route_add+0x1c/0x140 [ 4612.658515][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4612.658515][ T10] addrconf_add_dev+0xe2/0x170 [ 4612.658515][ T10] inet6_addr_add+0x12f/0xa40 [ 4612.658515][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4612.658515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4612.658515][ T10] netlink_rcv_skb+0x130/0x360 [ 4612.658515][ T10] netlink_unicast+0x449/0x710 [ 4612.658515][ T10] netlink_sendmsg+0x723/0xbe0 [ 4612.658515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4612.658515][ T10] ___sys_sendmsg+0xee/0x170 [ 4612.658515][ T10] __sys_sendmsg+0xcd/0x170 [ 4612.658515][ T10] do_syscall_64+0xc6/0x1e0 [ 4612.658515][ T10] [ 4612.660588][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4612.660588][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4612.660588][ T10] ipv6_find_idev+0x102/0x170 [ 4612.660588][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4612.660588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4612.660588][ T10] netlink_rcv_skb+0x130/0x360 [ 4612.660588][ T10] netlink_unicast+0x449/0x710 [ 4612.660588][ T10] netlink_sendmsg+0x723/0xbe0 [ 4612.660588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4612.660588][ T10] ___sys_sendmsg+0xee/0x170 [ 4612.660588][ T10] __sys_sendmsg+0xcd/0x170 [ 4612.660588][ T10] do_syscall_64+0xc6/0x1e0 [ 4612.660588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4612.660588][ T10] [ 4612.662185][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4612.662185][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4612.662185][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4612.662185][ T10] ipv6_find_idev+0x102/0x170 [ 4612.662185][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4612.662185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4612.662185][ T10] netlink_rcv_skb+0x130/0x360 [ 4612.662185][ T10] netlink_unicast+0x449/0x710 [ 4612.662185][ T10] netlink_sendmsg+0x723/0xbe0 [ 4612.662185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4612.662185][ T10] ___sys_sendmsg+0xee/0x170 [ 4612.662185][ T10] __sys_sendmsg+0xcd/0x170 [ 4612.662185][ T10] do_syscall_64+0xc6/0x1e0 [ 4612.662185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4612.662185][ T10] [ 4618.017049][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4618.017547][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4618.017547][ T1167] dst_init+0x84/0x4a0 [ 4618.017547][ T1167] dst_alloc+0x97/0x150 [ 4618.017547][ T1167] ip6_dst_alloc+0x23/0x90 [ 4618.017547][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4618.017547][ T1167] ip6_pol_route+0x56f/0x840 [ 4618.017547][ T1167] fib6_rule_lookup+0x334/0x630 [ 4618.017547][ T1167] ip6_route_output_flags+0x259/0x480 [ 4618.017547][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4618.017547][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4618.017547][ T1167] netlink_rcv_skb+0x130/0x360 [ 4618.017547][ T1167] netlink_unicast+0x449/0x710 [ 4618.017547][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4618.017547][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4618.017547][ T1167] ___sys_sendmsg+0xee/0x170 [ 4618.017547][ T1167] __sys_sendmsg+0xcd/0x170 [ 4618.017547][ T1167] do_syscall_64+0xc6/0x1e0 [ 4618.017547][ T1167] [ 4618.019746][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4618.019746][ T1167] netdev_get_by_index+0x5e/0x80 [ 4618.019746][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4618.019746][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4618.019746][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4618.019746][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4618.019746][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4618.019746][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4618.019746][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4618.019746][ T1167] addrconf_dad_begin+0x310/0x670 [ 4618.019746][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4618.019746][ T1167] process_one_work+0x84d/0x18a0 [ 4618.019746][ T1167] worker_thread+0x587/0xd30 [ 4618.019746][ T1167] kthread+0x28a/0x350 [ 4618.019746][ T1167] ret_from_fork+0x31/0x70 [ 4618.019746][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4618.019746][ T1167] [ 4618.021908][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4618.021908][ T1167] netdev_get_by_index+0x5e/0x80 [ 4618.021908][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4618.021908][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4618.021908][ T1167] ip6_route_add+0x1c/0x140 [ 4618.021908][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4618.021908][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4618.021908][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4618.021908][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4618.021908][ T1167] netlink_rcv_skb+0x130/0x360 [ 4618.021908][ T1167] netlink_unicast+0x449/0x710 [ 4618.021908][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4618.021908][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4618.021908][ T1167] ___sys_sendmsg+0xee/0x170 [ 4618.021908][ T1167] __sys_sendmsg+0xcd/0x170 [ 4618.021908][ T1167] do_syscall_64+0xc6/0x1e0 [ 4618.021908][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4618.021908][ T1167] [ 4618.024130][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4618.024130][ T1167] netdev_get_by_index+0x5e/0x80 [ 4618.024130][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4618.024130][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4618.024130][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4618.024130][ T1167] ipv6_add_addr+0x411/0x2000 [ 4618.024130][ T1167] inet6_addr_add+0x30e/0xa40 [ 4618.024130][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4618.024130][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4618.024130][ T1167] netlink_rcv_skb+0x130/0x360 [ 4618.024130][ T1167] netlink_unicast+0x449/0x710 [ 4618.024130][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4618.024130][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4618.024130][ T1167] ___sys_sendmsg+0xee/0x170 [ 4618.024130][ T1167] __sys_sendmsg+0xcd/0x170 [ 4618.024130][ T1167] do_syscall_64+0xc6/0x1e0 [ 4618.024130][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4618.024130][ T1167] [ 4618.026379][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4618.026379][ T1167] netdev_get_by_index+0x5e/0x80 [ 4618.026379][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4618.026379][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4618.026379][ T1167] ip6_route_add+0x1c/0x140 [ 4618.026379][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4618.026379][ T1167] addrconf_add_dev+0xe2/0x170 [ 4618.026379][ T1167] inet6_addr_add+0x12f/0xa40 [ 4618.026379][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4618.026379][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4618.026379][ T1167] netlink_rcv_skb+0x130/0x360 [ 4618.026379][ T1167] netlink_unicast+0x449/0x710 [ 4618.026379][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4618.026379][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4618.026379][ T1167] ___sys_sendmsg+0xee/0x170 [ 4618.026379][ T1167] __sys_sendmsg+0xcd/0x170 [ 4618.026379][ T1167] do_syscall_64+0xc6/0x1e0 [ 4618.026379][ T1167] [ 4618.029104][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4618.029104][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4618.029104][ T1167] ipv6_find_idev+0x102/0x170 [ 4618.029104][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4618.029104][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4618.029104][ T1167] netlink_rcv_skb+0x130/0x360 [ 4618.029104][ T1167] netlink_unicast+0x449/0x710 [ 4618.029104][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4618.029104][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4618.029104][ T1167] ___sys_sendmsg+0xee/0x170 [ 4618.029104][ T1167] __sys_sendmsg+0xcd/0x170 [ 4618.029104][ T1167] do_syscall_64+0xc6/0x1e0 [ 4618.029104][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4618.029104][ T1167] [ 4618.030838][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4618.030838][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4618.030838][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4618.030838][ T1167] ipv6_find_idev+0x102/0x170 [ 4618.030838][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4618.030838][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4618.030838][ T1167] netlink_rcv_skb+0x130/0x360 [ 4618.030838][ T1167] netlink_unicast+0x449/0x710 [ 4618.030838][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4618.030838][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4618.030838][ T1167] ___sys_sendmsg+0xee/0x170 [ 4618.030838][ T1167] __sys_sendmsg+0xcd/0x170 [ 4618.030838][ T1167] do_syscall_64+0xc6/0x1e0 [ 4618.030838][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4618.030838][ T1167] [ 4622.665135][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4622.665528][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4622.665528][ T10] netdev_get_by_index+0x5e/0x80 [ 4622.665528][ T10] fib6_nh_init+0x3d8/0x1580 [ 4622.665528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4622.665528][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4622.665528][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4622.665528][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4622.665528][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4622.665528][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4622.665528][ T10] addrconf_dad_begin+0x310/0x670 [ 4622.665528][ T10] addrconf_dad_work+0x10b/0xab0 [ 4622.665528][ T10] process_one_work+0x84d/0x18a0 [ 4622.665528][ T10] worker_thread+0x587/0xd30 [ 4622.665528][ T10] kthread+0x28a/0x350 [ 4622.665528][ T10] ret_from_fork+0x31/0x70 [ 4622.665528][ T10] ret_from_fork_asm+0x1a/0x30 [ 4622.665528][ T10] [ 4622.667511][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4622.667511][ T10] netdev_get_by_index+0x5e/0x80 [ 4622.667511][ T10] fib6_nh_init+0x3d8/0x1580 [ 4622.667511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4622.667511][ T10] ip6_route_add+0x1c/0x140 [ 4622.667511][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4622.667511][ T10] inet6_addr_add+0x4f8/0xa40 [ 4622.667511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4622.667511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4622.667511][ T10] netlink_rcv_skb+0x130/0x360 [ 4622.667511][ T10] netlink_unicast+0x449/0x710 [ 4622.667511][ T10] netlink_sendmsg+0x723/0xbe0 [ 4622.667511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4622.667511][ T10] ___sys_sendmsg+0xee/0x170 [ 4622.667511][ T10] __sys_sendmsg+0xcd/0x170 [ 4622.667511][ T10] do_syscall_64+0xc6/0x1e0 [ 4622.667511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4622.667511][ T10] [ 4622.669520][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4622.669520][ T10] netdev_get_by_index+0x5e/0x80 [ 4622.669520][ T10] fib6_nh_init+0x3d8/0x1580 [ 4622.669520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4622.669520][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4622.669520][ T10] ipv6_add_addr+0x411/0x2000 [ 4622.669520][ T10] inet6_addr_add+0x30e/0xa40 [ 4622.669520][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4622.669520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4622.669520][ T10] netlink_rcv_skb+0x130/0x360 [ 4622.669520][ T10] netlink_unicast+0x449/0x710 [ 4622.669520][ T10] netlink_sendmsg+0x723/0xbe0 [ 4622.669520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4622.669520][ T10] ___sys_sendmsg+0xee/0x170 [ 4622.669520][ T10] __sys_sendmsg+0xcd/0x170 [ 4622.669520][ T10] do_syscall_64+0xc6/0x1e0 [ 4622.669520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4622.669520][ T10] [ 4622.671504][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4622.671504][ T10] netdev_get_by_index+0x5e/0x80 [ 4622.671504][ T10] fib6_nh_init+0x3d8/0x1580 [ 4622.671504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4622.671504][ T10] ip6_route_add+0x1c/0x140 [ 4622.671504][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4622.671504][ T10] addrconf_add_dev+0xe2/0x170 [ 4622.671504][ T10] inet6_addr_add+0x12f/0xa40 [ 4622.671504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4622.671504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4622.671504][ T10] netlink_rcv_skb+0x130/0x360 [ 4622.671504][ T10] netlink_unicast+0x449/0x710 [ 4622.671504][ T10] netlink_sendmsg+0x723/0xbe0 [ 4622.671504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4622.671504][ T10] ___sys_sendmsg+0xee/0x170 [ 4622.671504][ T10] __sys_sendmsg+0xcd/0x170 [ 4622.671504][ T10] do_syscall_64+0xc6/0x1e0 [ 4622.671504][ T10] [ 4622.673454][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4622.673454][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4622.673454][ T10] ipv6_find_idev+0x102/0x170 [ 4622.673454][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4622.673454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4622.673454][ T10] netlink_rcv_skb+0x130/0x360 [ 4622.673454][ T10] netlink_unicast+0x449/0x710 [ 4622.673454][ T10] netlink_sendmsg+0x723/0xbe0 [ 4622.673454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4622.673454][ T10] ___sys_sendmsg+0xee/0x170 [ 4622.673454][ T10] __sys_sendmsg+0xcd/0x170 [ 4622.673454][ T10] do_syscall_64+0xc6/0x1e0 [ 4622.673454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4622.673454][ T10] [ 4622.674986][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4622.674986][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4622.674986][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4622.674986][ T10] ipv6_find_idev+0x102/0x170 [ 4622.674986][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4622.674986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4622.674986][ T10] netlink_rcv_skb+0x130/0x360 [ 4622.674986][ T10] netlink_unicast+0x449/0x710 [ 4622.674986][ T10] netlink_sendmsg+0x723/0xbe0 [ 4622.674986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4622.674986][ T10] ___sys_sendmsg+0xee/0x170 [ 4622.674986][ T10] __sys_sendmsg+0xcd/0x170 [ 4622.674986][ T10] do_syscall_64+0xc6/0x1e0 [ 4622.674986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4622.674986][ T10] [ 4622.676663][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4622.676907][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4622.676907][ T10] netdev_get_by_index+0x5e/0x80 [ 4622.676907][ T10] fib6_nh_init+0x3d8/0x1580 [ 4622.676907][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4622.676907][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4622.676907][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4622.676907][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4622.676907][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4622.676907][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4622.676907][ T10] addrconf_dad_begin+0x310/0x670 [ 4622.676907][ T10] addrconf_dad_work+0x10b/0xab0 [ 4622.676907][ T10] process_one_work+0x84d/0x18a0 [ 4622.676907][ T10] worker_thread+0x587/0xd30 [ 4622.676907][ T10] kthread+0x28a/0x350 [ 4622.676907][ T10] ret_from_fork+0x31/0x70 [ 4622.676907][ T10] ret_from_fork_asm+0x1a/0x30 [ 4622.676907][ T10] [ 4622.678803][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4622.678803][ T10] netdev_get_by_index+0x5e/0x80 [ 4622.678803][ T10] fib6_nh_init+0x3d8/0x1580 [ 4622.678803][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4622.678803][ T10] ip6_route_add+0x1c/0x140 [ 4622.678803][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4622.678803][ T10] inet6_addr_add+0x4f8/0xa40 [ 4622.678803][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4622.678803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4622.678803][ T10] netlink_rcv_skb+0x130/0x360 [ 4622.678803][ T10] netlink_unicast+0x449/0x710 [ 4622.678803][ T10] netlink_sendmsg+0x723/0xbe0 [ 4622.678803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4622.678803][ T10] ___sys_sendmsg+0xee/0x170 [ 4622.678803][ T10] __sys_sendmsg+0xcd/0x170 [ 4622.678803][ T10] do_syscall_64+0xc6/0x1e0 [ 4622.678803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4622.678803][ T10] [ 4622.680793][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4622.680793][ T10] netdev_get_by_index+0x5e/0x80 [ 4622.680793][ T10] fib6_nh_init+0x3d8/0x1580 [ 4622.680793][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4622.680793][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4622.680793][ T10] ipv6_add_addr+0x411/0x2000 [ 4622.680793][ T10] inet6_addr_add+0x30e/0xa40 [ 4622.680793][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4622.680793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4622.680793][ T10] netlink_rcv_skb+0x130/0x360 [ 4622.680793][ T10] netlink_unicast+0x449/0x710 [ 4622.680793][ T10] netlink_sendmsg+0x723/0xbe0 [ 4622.680793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4622.680793][ T10] ___sys_sendmsg+0xee/0x170 [ 4622.680793][ T10] __sys_sendmsg+0xcd/0x170 [ 4622.680793][ T10] do_syscall_64+0xc6/0x1e0 [ 4622.680793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4622.680793][ T10] [ 4622.685031][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4622.685031][ T10] netdev_get_by_index+0x5e/0x80 [ 4622.685031][ T10] fib6_nh_init+0x3d8/0x1580 [ 4622.685031][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4622.685031][ T10] ip6_route_add+0x1c/0x140 [ 4622.685031][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4622.685031][ T10] addrconf_add_dev+0xe2/0x170 [ 4622.685031][ T10] inet6_addr_add+0x12f/0xa40 [ 4622.685031][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4622.685031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4622.685031][ T10] netlink_rcv_skb+0x130/0x360 [ 4622.685031][ T10] netlink_unicast+0x449/0x710 [ 4622.685031][ T10] netlink_sendmsg+0x723/0xbe0 [ 4622.685031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4622.685031][ T10] ___sys_sendmsg+0xee/0x170 [ 4622.685031][ T10] __sys_sendmsg+0xcd/0x170 [ 4622.685031][ T10] do_syscall_64+0xc6/0x1e0 [ 4622.685031][ T10] [ 4622.687007][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4622.687007][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4622.687007][ T10] ipv6_find_idev+0x102/0x170 [ 4622.687007][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4622.687007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4622.687007][ T10] netlink_rcv_skb+0x130/0x360 [ 4622.687007][ T10] netlink_unicast+0x449/0x710 [ 4622.687007][ T10] netlink_sendmsg+0x723/0xbe0 [ 4622.687007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4622.687007][ T10] ___sys_sendmsg+0xee/0x170 [ 4622.687007][ T10] __sys_sendmsg+0xcd/0x170 [ 4622.687007][ T10] do_syscall_64+0xc6/0x1e0 [ 4622.687007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4622.687007][ T10] [ 4622.688551][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4622.688551][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4622.688551][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4622.688551][ T10] ipv6_find_idev+0x102/0x170 [ 4622.688551][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4622.688551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4622.688551][ T10] netlink_rcv_skb+0x130/0x360 [ 4622.688551][ T10] netlink_unicast+0x449/0x710 [ 4622.688551][ T10] netlink_sendmsg+0x723/0xbe0 [ 4622.688551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4622.688551][ T10] ___sys_sendmsg+0xee/0x170 [ 4622.688551][ T10] __sys_sendmsg+0xcd/0x170 [ 4622.688551][ T10] do_syscall_64+0xc6/0x1e0 [ 4622.688551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4622.688551][ T10] [ 4622.690238][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4622.690480][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4622.690480][ T10] netdev_get_by_index+0x5e/0x80 [ 4622.690480][ T10] fib6_nh_init+0x3d8/0x1580 [ 4622.690480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4622.690480][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4622.690480][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4622.690480][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4622.690480][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4622.690480][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4622.690480][ T10] addrconf_dad_begin+0x310/0x670 [ 4622.690480][ T10] addrconf_dad_work+0x10b/0xab0 [ 4622.690480][ T10] process_one_work+0x84d/0x18a0 [ 4622.690480][ T10] worker_thread+0x587/0xd30 [ 4622.690480][ T10] kthread+0x28a/0x350 [ 4622.690480][ T10] ret_from_fork+0x31/0x70 [ 4622.690480][ T10] ret_from_fork_asm+0x1a/0x30 [ 4622.690480][ T10] [ 4622.692395][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4622.692395][ T10] netdev_get_by_index+0x5e/0x80 [ 4622.692395][ T10] fib6_nh_init+0x3d8/0x1580 [ 4622.692395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4622.692395][ T10] ip6_route_add+0x1c/0x140 [ 4622.692395][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4622.692395][ T10] inet6_addr_add+0x4f8/0xa40 [ 4622.692395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4622.692395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4622.692395][ T10] netlink_rcv_skb+0x130/0x360 [ 4622.692395][ T10] netlink_unicast+0x449/0x710 [ 4622.692395][ T10] netlink_sendmsg+0x723/0xbe0 [ 4622.692395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4622.692395][ T10] ___sys_sendmsg+0xee/0x170 [ 4622.692395][ T10] __sys_sendmsg+0xcd/0x170 [ 4622.692395][ T10] do_syscall_64+0xc6/0x1e0 [ 4622.692395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4622.692395][ T10] [ 4622.694589][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4622.694589][ T10] netdev_get_by_index+0x5e/0x80 [ 4622.694589][ T10] fib6_nh_init+0x3d8/0x1580 [ 4622.694589][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4622.694589][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4622.694589][ T10] ipv6_add_addr+0x411/0x2000 [ 4622.694589][ T10] inet6_addr_add+0x30e/0xa40 [ 4622.694589][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4622.694589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4622.694589][ T10] netlink_rcv_skb+0x130/0x360 [ 4622.694589][ T10] netlink_unicast+0x449/0x710 [ 4622.694589][ T10] netlink_sendmsg+0x723/0xbe0 [ 4622.694589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4622.694589][ T10] ___sys_sendmsg+0xee/0x170 [ 4622.694589][ T10] __sys_sendmsg+0xcd/0x170 [ 4622.694589][ T10] do_syscall_64+0xc6/0x1e0 [ 4622.694589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4622.694589][ T10] [ 4622.696830][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4622.696830][ T10] netdev_get_by_index+0x5e/0x80 [ 4622.696830][ T10] fib6_nh_init+0x3d8/0x1580 [ 4622.696830][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4622.696830][ T10] ip6_route_add+0x1c/0x140 [ 4622.696830][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4622.696830][ T10] addrconf_add_dev+0xe2/0x170 [ 4622.696830][ T10] inet6_addr_add+0x12f/0xa40 [ 4622.696830][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4622.696830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4622.696830][ T10] netlink_rcv_skb+0x130/0x360 [ 4622.696830][ T10] netlink_unicast+0x449/0x710 [ 4622.696830][ T10] netlink_sendmsg+0x723/0xbe0 [ 4622.696830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4622.696830][ T10] ___sys_sendmsg+0xee/0x170 [ 4622.696830][ T10] __sys_sendmsg+0xcd/0x170 [ 4622.696830][ T10] do_syscall_64+0xc6/0x1e0 [ 4622.696830][ T10] [ 4622.699037][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4622.699037][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4622.699037][ T10] ipv6_find_idev+0x102/0x170 [ 4622.699037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4622.699037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4622.699037][ T10] netlink_rcv_skb+0x130/0x360 [ 4622.699037][ T10] netlink_unicast+0x449/0x710 [ 4622.699037][ T10] netlink_sendmsg+0x723/0xbe0 [ 4622.699037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4622.699037][ T10] ___sys_sendmsg+0xee/0x170 [ 4622.699037][ T10] __sys_sendmsg+0xcd/0x170 [ 4622.699037][ T10] do_syscall_64+0xc6/0x1e0 [ 4622.699037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4622.699037][ T10] [ 4622.702399][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4622.702399][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4622.702399][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4622.702399][ T10] ipv6_find_idev+0x102/0x170 [ 4622.702399][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4622.702399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4622.702399][ T10] netlink_rcv_skb+0x130/0x360 [ 4622.702399][ T10] netlink_unicast+0x449/0x710 [ 4622.702399][ T10] netlink_sendmsg+0x723/0xbe0 [ 4622.702399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4622.702399][ T10] ___sys_sendmsg+0xee/0x170 [ 4622.702399][ T10] __sys_sendmsg+0xcd/0x170 [ 4622.702399][ T10] do_syscall_64+0xc6/0x1e0 [ 4622.702399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4622.702399][ T10] [ 4622.704276][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4622.704513][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4622.704513][ T10] netdev_get_by_index+0x5e/0x80 [ 4622.704513][ T10] fib6_nh_init+0x3d8/0x1580 [ 4622.704513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4622.704513][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4622.704513][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4622.704513][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4622.704513][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4622.704513][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4622.704513][ T10] addrconf_dad_begin+0x310/0x670 [ 4622.704513][ T10] addrconf_dad_work+0x10b/0xab0 [ 4622.704513][ T10] process_one_work+0x84d/0x18a0 [ 4622.704513][ T10] worker_thread+0x587/0xd30 [ 4622.704513][ T10] kthread+0x28a/0x350 [ 4622.704513][ T10] ret_from_fork+0x31/0x70 [ 4622.704513][ T10] ret_from_fork_asm+0x1a/0x30 [ 4622.704513][ T10] [ 4622.706680][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4622.706680][ T10] netdev_get_by_index+0x5e/0x80 [ 4622.706680][ T10] fib6_nh_init+0x3d8/0x1580 [ 4622.706680][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4622.706680][ T10] ip6_route_add+0x1c/0x140 [ 4622.706680][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4622.706680][ T10] inet6_addr_add+0x4f8/0xa40 [ 4622.706680][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4622.706680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4622.706680][ T10] netlink_rcv_skb+0x130/0x360 [ 4622.706680][ T10] netlink_unicast+0x449/0x710 [ 4622.706680][ T10] netlink_sendmsg+0x723/0xbe0 [ 4622.706680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4622.706680][ T10] ___sys_sendmsg+0xee/0x170 [ 4622.706680][ T10] __sys_sendmsg+0xcd/0x170 [ 4622.706680][ T10] do_syscall_64+0xc6/0x1e0 [ 4622.706680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4622.706680][ T10] [ 4622.708924][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4622.708924][ T10] netdev_get_by_index+0x5e/0x80 [ 4622.708924][ T10] fib6_nh_init+0x3d8/0x1580 [ 4622.708924][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4622.708924][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4622.708924][ T10] ipv6_add_addr+0x411/0x2000 [ 4622.708924][ T10] inet6_addr_add+0x30e/0xa40 [ 4622.708924][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4622.708924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4622.708924][ T10] netlink_rcv_skb+0x130/0x360 [ 4622.708924][ T10] netlink_unicast+0x449/0x710 [ 4622.708924][ T10] netlink_sendmsg+0x723/0xbe0 [ 4622.708924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4622.708924][ T10] ___sys_sendmsg+0xee/0x170 [ 4622.708924][ T10] __sys_sendmsg+0xcd/0x170 [ 4622.708924][ T10] do_syscall_64+0xc6/0x1e0 [ 4622.708924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4622.708924][ T10] [ 4622.713215][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4622.713215][ T10] netdev_get_by_index+0x5e/0x80 [ 4622.713215][ T10] fib6_nh_init+0x3d8/0x1580 [ 4622.713215][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4622.713215][ T10] ip6_route_add+0x1c/0x140 [ 4622.713215][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4622.713215][ T10] addrconf_add_dev+0xe2/0x170 [ 4622.713215][ T10] inet6_addr_add+0x12f/0xa40 [ 4622.713215][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4622.713215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4622.713215][ T10] netlink_rcv_skb+0x130/0x360 [ 4622.713215][ T10] netlink_unicast+0x449/0x710 [ 4622.713215][ T10] netlink_sendmsg+0x723/0xbe0 [ 4622.713215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4622.713215][ T10] ___sys_sendmsg+0xee/0x170 [ 4622.713215][ T10] __sys_sendmsg+0xcd/0x170 [ 4622.713215][ T10] do_syscall_64+0xc6/0x1e0 [ 4622.713215][ T10] [ 4622.715415][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4622.715415][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4622.715415][ T10] ipv6_find_idev+0x102/0x170 [ 4622.715415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4622.715415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4622.715415][ T10] netlink_rcv_skb+0x130/0x360 [ 4622.715415][ T10] netlink_unicast+0x449/0x710 [ 4622.715415][ T10] netlink_sendmsg+0x723/0xbe0 [ 4622.715415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4622.715415][ T10] ___sys_sendmsg+0xee/0x170 [ 4622.715415][ T10] __sys_sendmsg+0xcd/0x170 [ 4622.715415][ T10] do_syscall_64+0xc6/0x1e0 [ 4622.715415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4622.715415][ T10] [ 4622.717145][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4622.717145][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4622.717145][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4622.717145][ T10] ipv6_find_idev+0x102/0x170 [ 4622.717145][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4622.717145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4622.717145][ T10] netlink_rcv_skb+0x130/0x360 [ 4622.717145][ T10] netlink_unicast+0x449/0x710 [ 4622.717145][ T10] netlink_sendmsg+0x723/0xbe0 [ 4622.717145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4622.717145][ T10] ___sys_sendmsg+0xee/0x170 [ 4622.717145][ T10] __sys_sendmsg+0xcd/0x170 [ 4622.717145][ T10] do_syscall_64+0xc6/0x1e0 [ 4622.717145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4622.717145][ T10] [ 4628.273155][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4628.273639][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4628.273639][ T1167] dst_init+0x84/0x4a0 [ 4628.273639][ T1167] dst_alloc+0x97/0x150 [ 4628.273639][ T1167] ip6_dst_alloc+0x23/0x90 [ 4628.273639][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4628.273639][ T1167] ip6_pol_route+0x56f/0x840 [ 4628.273639][ T1167] fib6_rule_lookup+0x334/0x630 [ 4628.273639][ T1167] ip6_route_output_flags+0x259/0x480 [ 4628.273639][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4628.273639][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4628.273639][ T1167] netlink_rcv_skb+0x130/0x360 [ 4628.273639][ T1167] netlink_unicast+0x449/0x710 [ 4628.273639][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4628.273639][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4628.273639][ T1167] ___sys_sendmsg+0xee/0x170 [ 4628.273639][ T1167] __sys_sendmsg+0xcd/0x170 [ 4628.273639][ T1167] do_syscall_64+0xc6/0x1e0 [ 4628.273639][ T1167] [ 4628.275879][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4628.275879][ T1167] netdev_get_by_index+0x5e/0x80 [ 4628.275879][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4628.275879][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4628.275879][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4628.275879][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4628.275879][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4628.275879][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4628.275879][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4628.275879][ T1167] addrconf_dad_begin+0x310/0x670 [ 4628.275879][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4628.275879][ T1167] process_one_work+0x84d/0x18a0 [ 4628.275879][ T1167] worker_thread+0x587/0xd30 [ 4628.275879][ T1167] kthread+0x28a/0x350 [ 4628.275879][ T1167] ret_from_fork+0x31/0x70 [ 4628.275879][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4628.275879][ T1167] [ 4628.278071][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4628.278071][ T1167] netdev_get_by_index+0x5e/0x80 [ 4628.278071][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4628.278071][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4628.278071][ T1167] ip6_route_add+0x1c/0x140 [ 4628.278071][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4628.278071][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4628.278071][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4628.278071][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4628.278071][ T1167] netlink_rcv_skb+0x130/0x360 [ 4628.278071][ T1167] netlink_unicast+0x449/0x710 [ 4628.278071][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4628.278071][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4628.278071][ T1167] ___sys_sendmsg+0xee/0x170 [ 4628.278071][ T1167] __sys_sendmsg+0xcd/0x170 [ 4628.278071][ T1167] do_syscall_64+0xc6/0x1e0 [ 4628.278071][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4628.278071][ T1167] [ 4628.280347][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4628.280347][ T1167] netdev_get_by_index+0x5e/0x80 [ 4628.280347][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4628.280347][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4628.280347][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4628.280347][ T1167] ipv6_add_addr+0x411/0x2000 [ 4628.280347][ T1167] inet6_addr_add+0x30e/0xa40 [ 4628.280347][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4628.280347][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4628.280347][ T1167] netlink_rcv_skb+0x130/0x360 [ 4628.280347][ T1167] netlink_unicast+0x449/0x710 [ 4628.280347][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4628.280347][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4628.280347][ T1167] ___sys_sendmsg+0xee/0x170 [ 4628.280347][ T1167] __sys_sendmsg+0xcd/0x170 [ 4628.280347][ T1167] do_syscall_64+0xc6/0x1e0 [ 4628.280347][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4628.280347][ T1167] [ 4628.282698][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4628.282698][ T1167] netdev_get_by_index+0x5e/0x80 [ 4628.282698][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4628.282698][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4628.282698][ T1167] ip6_route_add+0x1c/0x140 [ 4628.282698][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4628.282698][ T1167] addrconf_add_dev+0xe2/0x170 [ 4628.282698][ T1167] inet6_addr_add+0x12f/0xa40 [ 4628.282698][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4628.282698][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4628.282698][ T1167] netlink_rcv_skb+0x130/0x360 [ 4628.282698][ T1167] netlink_unicast+0x449/0x710 [ 4628.282698][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4628.282698][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4628.282698][ T1167] ___sys_sendmsg+0xee/0x170 [ 4628.282698][ T1167] __sys_sendmsg+0xcd/0x170 [ 4628.282698][ T1167] do_syscall_64+0xc6/0x1e0 [ 4628.282698][ T1167] [ 4628.284937][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4628.284937][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4628.284937][ T1167] ipv6_find_idev+0x102/0x170 [ 4628.284937][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4628.284937][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4628.284937][ T1167] netlink_rcv_skb+0x130/0x360 [ 4628.284937][ T1167] netlink_unicast+0x449/0x710 [ 4628.284937][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4628.284937][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4628.284937][ T1167] ___sys_sendmsg+0xee/0x170 [ 4628.284937][ T1167] __sys_sendmsg+0xcd/0x170 [ 4628.284937][ T1167] do_syscall_64+0xc6/0x1e0 [ 4628.284937][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4628.284937][ T1167] [ 4628.286696][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4628.286696][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4628.286696][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4628.286696][ T1167] ipv6_find_idev+0x102/0x170 [ 4628.286696][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4628.286696][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4628.286696][ T1167] netlink_rcv_skb+0x130/0x360 [ 4628.286696][ T1167] netlink_unicast+0x449/0x710 [ 4628.286696][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4628.286696][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4628.286696][ T1167] ___sys_sendmsg+0xee/0x170 [ 4628.286696][ T1167] __sys_sendmsg+0xcd/0x170 [ 4628.286696][ T1167] do_syscall_64+0xc6/0x1e0 [ 4628.286696][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4628.286696][ T1167] [ 4632.961127][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4632.961515][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4632.961515][ T10] netdev_get_by_index+0x5e/0x80 [ 4632.961515][ T10] fib6_nh_init+0x3d8/0x1580 [ 4632.961515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4632.961515][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4632.961515][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4632.961515][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4632.961515][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4632.961515][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4632.961515][ T10] addrconf_dad_begin+0x310/0x670 [ 4632.961515][ T10] addrconf_dad_work+0x10b/0xab0 [ 4632.961515][ T10] process_one_work+0x84d/0x18a0 [ 4632.961515][ T10] worker_thread+0x587/0xd30 [ 4632.961515][ T10] kthread+0x28a/0x350 [ 4632.961515][ T10] ret_from_fork+0x31/0x70 [ 4632.961515][ T10] ret_from_fork_asm+0x1a/0x30 [ 4632.961515][ T10] [ 4632.963484][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4632.963484][ T10] netdev_get_by_index+0x5e/0x80 [ 4632.963484][ T10] fib6_nh_init+0x3d8/0x1580 [ 4632.963484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4632.963484][ T10] ip6_route_add+0x1c/0x140 [ 4632.963484][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4632.963484][ T10] inet6_addr_add+0x4f8/0xa40 [ 4632.963484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4632.963484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4632.963484][ T10] netlink_rcv_skb+0x130/0x360 [ 4632.963484][ T10] netlink_unicast+0x449/0x710 [ 4632.963484][ T10] netlink_sendmsg+0x723/0xbe0 [ 4632.963484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4632.963484][ T10] ___sys_sendmsg+0xee/0x170 [ 4632.963484][ T10] __sys_sendmsg+0xcd/0x170 [ 4632.963484][ T10] do_syscall_64+0xc6/0x1e0 [ 4632.963484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4632.963484][ T10] [ 4632.965493][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4632.965493][ T10] netdev_get_by_index+0x5e/0x80 [ 4632.965493][ T10] fib6_nh_init+0x3d8/0x1580 [ 4632.965493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4632.965493][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4632.965493][ T10] ipv6_add_addr+0x411/0x2000 [ 4632.965493][ T10] inet6_addr_add+0x30e/0xa40 [ 4632.965493][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4632.965493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4632.965493][ T10] netlink_rcv_skb+0x130/0x360 [ 4632.965493][ T10] netlink_unicast+0x449/0x710 [ 4632.965493][ T10] netlink_sendmsg+0x723/0xbe0 [ 4632.965493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4632.965493][ T10] ___sys_sendmsg+0xee/0x170 [ 4632.965493][ T10] __sys_sendmsg+0xcd/0x170 [ 4632.965493][ T10] do_syscall_64+0xc6/0x1e0 [ 4632.965493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4632.965493][ T10] [ 4632.967513][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4632.967513][ T10] netdev_get_by_index+0x5e/0x80 [ 4632.967513][ T10] fib6_nh_init+0x3d8/0x1580 [ 4632.967513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4632.967513][ T10] ip6_route_add+0x1c/0x140 [ 4632.967513][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4632.967513][ T10] addrconf_add_dev+0xe2/0x170 [ 4632.967513][ T10] inet6_addr_add+0x12f/0xa40 [ 4632.967513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4632.967513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4632.967513][ T10] netlink_rcv_skb+0x130/0x360 [ 4632.967513][ T10] netlink_unicast+0x449/0x710 [ 4632.967513][ T10] netlink_sendmsg+0x723/0xbe0 [ 4632.967513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4632.967513][ T10] ___sys_sendmsg+0xee/0x170 [ 4632.967513][ T10] __sys_sendmsg+0xcd/0x170 [ 4632.967513][ T10] do_syscall_64+0xc6/0x1e0 [ 4632.967513][ T10] [ 4632.969478][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4632.969478][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4632.969478][ T10] ipv6_find_idev+0x102/0x170 [ 4632.969478][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4632.969478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4632.969478][ T10] netlink_rcv_skb+0x130/0x360 [ 4632.969478][ T10] netlink_unicast+0x449/0x710 [ 4632.969478][ T10] netlink_sendmsg+0x723/0xbe0 [ 4632.969478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4632.969478][ T10] ___sys_sendmsg+0xee/0x170 [ 4632.969478][ T10] __sys_sendmsg+0xcd/0x170 [ 4632.969478][ T10] do_syscall_64+0xc6/0x1e0 [ 4632.969478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4632.969478][ T10] [ 4632.971110][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4632.971110][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4632.971110][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4632.971110][ T10] ipv6_find_idev+0x102/0x170 [ 4632.971110][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4632.971110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4632.971110][ T10] netlink_rcv_skb+0x130/0x360 [ 4632.971110][ T10] netlink_unicast+0x449/0x710 [ 4632.971110][ T10] netlink_sendmsg+0x723/0xbe0 [ 4632.971110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4632.971110][ T10] ___sys_sendmsg+0xee/0x170 [ 4632.971110][ T10] __sys_sendmsg+0xcd/0x170 [ 4632.971110][ T10] do_syscall_64+0xc6/0x1e0 [ 4632.971110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4632.971110][ T10] [ 4632.972814][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4632.973076][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4632.973076][ T10] netdev_get_by_index+0x5e/0x80 [ 4632.973076][ T10] fib6_nh_init+0x3d8/0x1580 [ 4632.973076][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4632.973076][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4632.973076][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4632.973076][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4632.973076][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4632.973076][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4632.973076][ T10] addrconf_dad_begin+0x310/0x670 [ 4632.973076][ T10] addrconf_dad_work+0x10b/0xab0 [ 4632.973076][ T10] process_one_work+0x84d/0x18a0 [ 4632.973076][ T10] worker_thread+0x587/0xd30 [ 4632.973076][ T10] kthread+0x28a/0x350 [ 4632.973076][ T10] ret_from_fork+0x31/0x70 [ 4632.973076][ T10] ret_from_fork_asm+0x1a/0x30 [ 4632.973076][ T10] [ 4632.974983][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4632.974983][ T10] netdev_get_by_index+0x5e/0x80 [ 4632.974983][ T10] fib6_nh_init+0x3d8/0x1580 [ 4632.974983][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4632.974983][ T10] ip6_route_add+0x1c/0x140 [ 4632.974983][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4632.974983][ T10] inet6_addr_add+0x4f8/0xa40 [ 4632.974983][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4632.974983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4632.974983][ T10] netlink_rcv_skb+0x130/0x360 [ 4632.974983][ T10] netlink_unicast+0x449/0x710 [ 4632.974983][ T10] netlink_sendmsg+0x723/0xbe0 [ 4632.974983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4632.974983][ T10] ___sys_sendmsg+0xee/0x170 [ 4632.974983][ T10] __sys_sendmsg+0xcd/0x170 [ 4632.974983][ T10] do_syscall_64+0xc6/0x1e0 [ 4632.974983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4632.974983][ T10] [ 4632.976992][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4632.976992][ T10] netdev_get_by_index+0x5e/0x80 [ 4632.976992][ T10] fib6_nh_init+0x3d8/0x1580 [ 4632.976992][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4632.976992][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4632.976992][ T10] ipv6_add_addr+0x411/0x2000 [ 4632.976992][ T10] inet6_addr_add+0x30e/0xa40 [ 4632.976992][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4632.976992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4632.976992][ T10] netlink_rcv_skb+0x130/0x360 [ 4632.976992][ T10] netlink_unicast+0x449/0x710 [ 4632.976992][ T10] netlink_sendmsg+0x723/0xbe0 [ 4632.976992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4632.976992][ T10] ___sys_sendmsg+0xee/0x170 [ 4632.976992][ T10] __sys_sendmsg+0xcd/0x170 [ 4632.976992][ T10] do_syscall_64+0xc6/0x1e0 [ 4632.976992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4632.976992][ T10] [ 4632.979006][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4632.979006][ T10] netdev_get_by_index+0x5e/0x80 [ 4632.979006][ T10] fib6_nh_init+0x3d8/0x1580 [ 4632.979006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4632.979006][ T10] ip6_route_add+0x1c/0x140 [ 4632.979006][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4632.979006][ T10] addrconf_add_dev+0xe2/0x170 [ 4632.979006][ T10] inet6_addr_add+0x12f/0xa40 [ 4632.979006][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4632.979006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4632.979006][ T10] netlink_rcv_skb+0x130/0x360 [ 4632.979006][ T10] netlink_unicast+0x449/0x710 [ 4632.979006][ T10] netlink_sendmsg+0x723/0xbe0 [ 4632.979006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4632.979006][ T10] ___sys_sendmsg+0xee/0x170 [ 4632.979006][ T10] __sys_sendmsg+0xcd/0x170 [ 4632.979006][ T10] do_syscall_64+0xc6/0x1e0 [ 4632.979006][ T10] [ 4632.980982][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4632.980982][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4632.980982][ T10] ipv6_find_idev+0x102/0x170 [ 4632.980982][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4632.980982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4632.980982][ T10] netlink_rcv_skb+0x130/0x360 [ 4632.980982][ T10] netlink_unicast+0x449/0x710 [ 4632.980982][ T10] netlink_sendmsg+0x723/0xbe0 [ 4632.980982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4632.980982][ T10] ___sys_sendmsg+0xee/0x170 [ 4632.980982][ T10] __sys_sendmsg+0xcd/0x170 [ 4632.980982][ T10] do_syscall_64+0xc6/0x1e0 [ 4632.980982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4632.980982][ T10] [ 4632.982527][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4632.982527][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4632.982527][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4632.982527][ T10] ipv6_find_idev+0x102/0x170 [ 4632.982527][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4632.982527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4632.982527][ T10] netlink_rcv_skb+0x130/0x360 [ 4632.982527][ T10] netlink_unicast+0x449/0x710 [ 4632.982527][ T10] netlink_sendmsg+0x723/0xbe0 [ 4632.982527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4632.982527][ T10] ___sys_sendmsg+0xee/0x170 [ 4632.982527][ T10] __sys_sendmsg+0xcd/0x170 [ 4632.982527][ T10] do_syscall_64+0xc6/0x1e0 [ 4632.982527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4632.982527][ T10] [ 4632.986537][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4632.986794][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4632.986794][ T10] netdev_get_by_index+0x5e/0x80 [ 4632.986794][ T10] fib6_nh_init+0x3d8/0x1580 [ 4632.986794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4632.986794][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4632.986794][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4632.986794][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4632.986794][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4632.986794][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4632.986794][ T10] addrconf_dad_begin+0x310/0x670 [ 4632.986794][ T10] addrconf_dad_work+0x10b/0xab0 [ 4632.986794][ T10] process_one_work+0x84d/0x18a0 [ 4632.986794][ T10] worker_thread+0x587/0xd30 [ 4632.986794][ T10] kthread+0x28a/0x350 [ 4632.986794][ T10] ret_from_fork+0x31/0x70 [ 4632.986794][ T10] ret_from_fork_asm+0x1a/0x30 [ 4632.986794][ T10] [ 4632.988711][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4632.988711][ T10] netdev_get_by_index+0x5e/0x80 [ 4632.988711][ T10] fib6_nh_init+0x3d8/0x1580 [ 4632.988711][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4632.988711][ T10] ip6_route_add+0x1c/0x140 [ 4632.988711][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4632.988711][ T10] inet6_addr_add+0x4f8/0xa40 [ 4632.988711][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4632.988711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4632.988711][ T10] netlink_rcv_skb+0x130/0x360 [ 4632.988711][ T10] netlink_unicast+0x449/0x710 [ 4632.988711][ T10] netlink_sendmsg+0x723/0xbe0 [ 4632.988711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4632.988711][ T10] ___sys_sendmsg+0xee/0x170 [ 4632.988711][ T10] __sys_sendmsg+0xcd/0x170 [ 4632.988711][ T10] do_syscall_64+0xc6/0x1e0 [ 4632.988711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4632.988711][ T10] [ 4632.990903][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4632.990903][ T10] netdev_get_by_index+0x5e/0x80 [ 4632.990903][ T10] fib6_nh_init+0x3d8/0x1580 [ 4632.990903][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4632.990903][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4632.990903][ T10] ipv6_add_addr+0x411/0x2000 [ 4632.990903][ T10] inet6_addr_add+0x30e/0xa40 [ 4632.990903][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4632.990903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4632.990903][ T10] netlink_rcv_skb+0x130/0x360 [ 4632.990903][ T10] netlink_unicast+0x449/0x710 [ 4632.990903][ T10] netlink_sendmsg+0x723/0xbe0 [ 4632.990903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4632.990903][ T10] ___sys_sendmsg+0xee/0x170 [ 4632.990903][ T10] __sys_sendmsg+0xcd/0x170 [ 4632.990903][ T10] do_syscall_64+0xc6/0x1e0 [ 4632.990903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4632.990903][ T10] [ 4632.993145][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4632.993145][ T10] netdev_get_by_index+0x5e/0x80 [ 4632.993145][ T10] fib6_nh_init+0x3d8/0x1580 [ 4632.993145][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4632.993145][ T10] ip6_route_add+0x1c/0x140 [ 4632.993145][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4632.993145][ T10] addrconf_add_dev+0xe2/0x170 [ 4632.993145][ T10] inet6_addr_add+0x12f/0xa40 [ 4632.993145][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4632.993145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4632.993145][ T10] netlink_rcv_skb+0x130/0x360 [ 4632.993145][ T10] netlink_unicast+0x449/0x710 [ 4632.993145][ T10] netlink_sendmsg+0x723/0xbe0 [ 4632.993145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4632.993145][ T10] ___sys_sendmsg+0xee/0x170 [ 4632.993145][ T10] __sys_sendmsg+0xcd/0x170 [ 4632.993145][ T10] do_syscall_64+0xc6/0x1e0 [ 4632.993145][ T10] [ 4632.995466][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4632.995466][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4632.995466][ T10] ipv6_find_idev+0x102/0x170 [ 4632.995466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4632.995466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4632.995466][ T10] netlink_rcv_skb+0x130/0x360 [ 4632.995466][ T10] netlink_unicast+0x449/0x710 [ 4632.995466][ T10] netlink_sendmsg+0x723/0xbe0 [ 4632.995466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4632.995466][ T10] ___sys_sendmsg+0xee/0x170 [ 4632.995466][ T10] __sys_sendmsg+0xcd/0x170 [ 4632.995466][ T10] do_syscall_64+0xc6/0x1e0 [ 4632.995466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4632.995466][ T10] [ 4632.997226][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4632.997226][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4632.997226][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4632.997226][ T10] ipv6_find_idev+0x102/0x170 [ 4632.997226][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4632.997226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4632.997226][ T10] netlink_rcv_skb+0x130/0x360 [ 4632.997226][ T10] netlink_unicast+0x449/0x710 [ 4632.997226][ T10] netlink_sendmsg+0x723/0xbe0 [ 4632.997226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4632.997226][ T10] ___sys_sendmsg+0xee/0x170 [ 4632.997226][ T10] __sys_sendmsg+0xcd/0x170 [ 4632.997226][ T10] do_syscall_64+0xc6/0x1e0 [ 4632.997226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4632.997226][ T10] [ 4632.999094][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4632.999338][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4632.999338][ T10] netdev_get_by_index+0x5e/0x80 [ 4632.999338][ T10] fib6_nh_init+0x3d8/0x1580 [ 4632.999338][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4632.999338][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4632.999338][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4632.999338][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4632.999338][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4632.999338][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4632.999338][ T10] addrconf_dad_begin+0x310/0x670 [ 4632.999338][ T10] addrconf_dad_work+0x10b/0xab0 [ 4632.999338][ T10] process_one_work+0x84d/0x18a0 [ 4632.999338][ T10] worker_thread+0x587/0xd30 [ 4632.999338][ T10] kthread+0x28a/0x350 [ 4632.999338][ T10] ret_from_fork+0x31/0x70 [ 4632.999338][ T10] ret_from_fork_asm+0x1a/0x30 [ 4632.999338][ T10] [ 4633.001493][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4633.001493][ T10] netdev_get_by_index+0x5e/0x80 [ 4633.001493][ T10] fib6_nh_init+0x3d8/0x1580 [ 4633.001493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4633.001493][ T10] ip6_route_add+0x1c/0x140 [ 4633.001493][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4633.001493][ T10] inet6_addr_add+0x4f8/0xa40 [ 4633.001493][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4633.001493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4633.001493][ T10] netlink_rcv_skb+0x130/0x360 [ 4633.001493][ T10] netlink_unicast+0x449/0x710 [ 4633.001493][ T10] netlink_sendmsg+0x723/0xbe0 [ 4633.001493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4633.001493][ T10] ___sys_sendmsg+0xee/0x170 [ 4633.001493][ T10] __sys_sendmsg+0xcd/0x170 [ 4633.001493][ T10] do_syscall_64+0xc6/0x1e0 [ 4633.001493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4633.001493][ T10] [ 4633.003796][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4633.003796][ T10] netdev_get_by_index+0x5e/0x80 [ 4633.003796][ T10] fib6_nh_init+0x3d8/0x1580 [ 4633.003796][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4633.003796][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4633.003796][ T10] ipv6_add_addr+0x411/0x2000 [ 4633.003796][ T10] inet6_addr_add+0x30e/0xa40 [ 4633.003796][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4633.003796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4633.003796][ T10] netlink_rcv_skb+0x130/0x360 [ 4633.003796][ T10] netlink_unicast+0x449/0x710 [ 4633.003796][ T10] netlink_sendmsg+0x723/0xbe0 [ 4633.003796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4633.003796][ T10] ___sys_sendmsg+0xee/0x170 [ 4633.003796][ T10] __sys_sendmsg+0xcd/0x170 [ 4633.003796][ T10] do_syscall_64+0xc6/0x1e0 [ 4633.003796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4633.003796][ T10] [ 4633.005989][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4633.005989][ T10] netdev_get_by_index+0x5e/0x80 [ 4633.005989][ T10] fib6_nh_init+0x3d8/0x1580 [ 4633.005989][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4633.005989][ T10] ip6_route_add+0x1c/0x140 [ 4633.005989][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4633.005989][ T10] addrconf_add_dev+0xe2/0x170 [ 4633.005989][ T10] inet6_addr_add+0x12f/0xa40 [ 4633.005989][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4633.005989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4633.005989][ T10] netlink_rcv_skb+0x130/0x360 [ 4633.005989][ T10] netlink_unicast+0x449/0x710 [ 4633.005989][ T10] netlink_sendmsg+0x723/0xbe0 [ 4633.005989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4633.005989][ T10] ___sys_sendmsg+0xee/0x170 [ 4633.005989][ T10] __sys_sendmsg+0xcd/0x170 [ 4633.005989][ T10] do_syscall_64+0xc6/0x1e0 [ 4633.005989][ T10] [ 4633.008218][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4633.008218][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4633.008218][ T10] ipv6_find_idev+0x102/0x170 [ 4633.008218][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4633.008218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4633.008218][ T10] netlink_rcv_skb+0x130/0x360 [ 4633.008218][ T10] netlink_unicast+0x449/0x710 [ 4633.008218][ T10] netlink_sendmsg+0x723/0xbe0 [ 4633.008218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4633.008218][ T10] ___sys_sendmsg+0xee/0x170 [ 4633.008218][ T10] __sys_sendmsg+0xcd/0x170 [ 4633.008218][ T10] do_syscall_64+0xc6/0x1e0 [ 4633.008218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4633.008218][ T10] [ 4633.009943][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4633.009943][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4633.009943][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4633.009943][ T10] ipv6_find_idev+0x102/0x170 [ 4633.009943][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4633.009943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4633.009943][ T10] netlink_rcv_skb+0x130/0x360 [ 4633.009943][ T10] netlink_unicast+0x449/0x710 [ 4633.009943][ T10] netlink_sendmsg+0x723/0xbe0 [ 4633.009943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4633.009943][ T10] ___sys_sendmsg+0xee/0x170 [ 4633.009943][ T10] __sys_sendmsg+0xcd/0x170 [ 4633.009943][ T10] do_syscall_64+0xc6/0x1e0 [ 4633.009943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4633.009943][ T10] [ 4638.529118][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4638.529608][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4638.529608][ T1167] dst_init+0x84/0x4a0 [ 4638.529608][ T1167] dst_alloc+0x97/0x150 [ 4638.529608][ T1167] ip6_dst_alloc+0x23/0x90 [ 4638.529608][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4638.529608][ T1167] ip6_pol_route+0x56f/0x840 [ 4638.529608][ T1167] fib6_rule_lookup+0x334/0x630 [ 4638.529608][ T1167] ip6_route_output_flags+0x259/0x480 [ 4638.529608][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4638.529608][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4638.529608][ T1167] netlink_rcv_skb+0x130/0x360 [ 4638.529608][ T1167] netlink_unicast+0x449/0x710 [ 4638.529608][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4638.529608][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4638.529608][ T1167] ___sys_sendmsg+0xee/0x170 [ 4638.529608][ T1167] __sys_sendmsg+0xcd/0x170 [ 4638.529608][ T1167] do_syscall_64+0xc6/0x1e0 [ 4638.529608][ T1167] [ 4638.531813][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4638.531813][ T1167] netdev_get_by_index+0x5e/0x80 [ 4638.531813][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4638.531813][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4638.531813][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4638.531813][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4638.531813][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4638.531813][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4638.531813][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4638.531813][ T1167] addrconf_dad_begin+0x310/0x670 [ 4638.531813][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4638.531813][ T1167] process_one_work+0x84d/0x18a0 [ 4638.531813][ T1167] worker_thread+0x587/0xd30 [ 4638.531813][ T1167] kthread+0x28a/0x350 [ 4638.531813][ T1167] ret_from_fork+0x31/0x70 [ 4638.531813][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4638.531813][ T1167] [ 4638.533988][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4638.533988][ T1167] netdev_get_by_index+0x5e/0x80 [ 4638.533988][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4638.533988][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4638.533988][ T1167] ip6_route_add+0x1c/0x140 [ 4638.533988][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4638.533988][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4638.533988][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4638.533988][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4638.533988][ T1167] netlink_rcv_skb+0x130/0x360 [ 4638.533988][ T1167] netlink_unicast+0x449/0x710 [ 4638.533988][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4638.533988][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4638.533988][ T1167] ___sys_sendmsg+0xee/0x170 [ 4638.533988][ T1167] __sys_sendmsg+0xcd/0x170 [ 4638.533988][ T1167] do_syscall_64+0xc6/0x1e0 [ 4638.533988][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4638.533988][ T1167] [ 4638.536257][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4638.536257][ T1167] netdev_get_by_index+0x5e/0x80 [ 4638.536257][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4638.536257][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4638.536257][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4638.536257][ T1167] ipv6_add_addr+0x411/0x2000 [ 4638.536257][ T1167] inet6_addr_add+0x30e/0xa40 [ 4638.536257][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4638.536257][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4638.536257][ T1167] netlink_rcv_skb+0x130/0x360 [ 4638.536257][ T1167] netlink_unicast+0x449/0x710 [ 4638.536257][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4638.536257][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4638.536257][ T1167] ___sys_sendmsg+0xee/0x170 [ 4638.536257][ T1167] __sys_sendmsg+0xcd/0x170 [ 4638.536257][ T1167] do_syscall_64+0xc6/0x1e0 [ 4638.536257][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4638.536257][ T1167] [ 4638.538519][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4638.538519][ T1167] netdev_get_by_index+0x5e/0x80 [ 4638.538519][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4638.538519][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4638.538519][ T1167] ip6_route_add+0x1c/0x140 [ 4638.538519][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4638.538519][ T1167] addrconf_add_dev+0xe2/0x170 [ 4638.538519][ T1167] inet6_addr_add+0x12f/0xa40 [ 4638.538519][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4638.538519][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4638.538519][ T1167] netlink_rcv_skb+0x130/0x360 [ 4638.538519][ T1167] netlink_unicast+0x449/0x710 [ 4638.538519][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4638.538519][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4638.538519][ T1167] ___sys_sendmsg+0xee/0x170 [ 4638.538519][ T1167] __sys_sendmsg+0xcd/0x170 [ 4638.538519][ T1167] do_syscall_64+0xc6/0x1e0 [ 4638.538519][ T1167] [ 4638.540722][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4638.540722][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4638.540722][ T1167] ipv6_find_idev+0x102/0x170 [ 4638.540722][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4638.540722][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4638.540722][ T1167] netlink_rcv_skb+0x130/0x360 [ 4638.540722][ T1167] netlink_unicast+0x449/0x710 [ 4638.540722][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4638.540722][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4638.540722][ T1167] ___sys_sendmsg+0xee/0x170 [ 4638.540722][ T1167] __sys_sendmsg+0xcd/0x170 [ 4638.540722][ T1167] do_syscall_64+0xc6/0x1e0 [ 4638.540722][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4638.540722][ T1167] [ 4638.542456][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4638.542456][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4638.542456][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4638.542456][ T1167] ipv6_find_idev+0x102/0x170 [ 4638.542456][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4638.542456][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4638.542456][ T1167] netlink_rcv_skb+0x130/0x360 [ 4638.542456][ T1167] netlink_unicast+0x449/0x710 [ 4638.542456][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4638.542456][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4638.542456][ T1167] ___sys_sendmsg+0xee/0x170 [ 4638.542456][ T1167] __sys_sendmsg+0xcd/0x170 [ 4638.542456][ T1167] do_syscall_64+0xc6/0x1e0 [ 4638.542456][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4638.542456][ T1167] [ 4643.249065][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4643.249458][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4643.249458][ T10] netdev_get_by_index+0x5e/0x80 [ 4643.249458][ T10] fib6_nh_init+0x3d8/0x1580 [ 4643.249458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4643.249458][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4643.249458][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4643.249458][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4643.249458][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4643.249458][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4643.249458][ T10] addrconf_dad_begin+0x310/0x670 [ 4643.249458][ T10] addrconf_dad_work+0x10b/0xab0 [ 4643.249458][ T10] process_one_work+0x84d/0x18a0 [ 4643.249458][ T10] worker_thread+0x587/0xd30 [ 4643.249458][ T10] kthread+0x28a/0x350 [ 4643.249458][ T10] ret_from_fork+0x31/0x70 [ 4643.249458][ T10] ret_from_fork_asm+0x1a/0x30 [ 4643.249458][ T10] [ 4643.251436][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4643.251436][ T10] netdev_get_by_index+0x5e/0x80 [ 4643.251436][ T10] fib6_nh_init+0x3d8/0x1580 [ 4643.251436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4643.251436][ T10] ip6_route_add+0x1c/0x140 [ 4643.251436][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4643.251436][ T10] inet6_addr_add+0x4f8/0xa40 [ 4643.251436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4643.251436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4643.251436][ T10] netlink_rcv_skb+0x130/0x360 [ 4643.251436][ T10] netlink_unicast+0x449/0x710 [ 4643.251436][ T10] netlink_sendmsg+0x723/0xbe0 [ 4643.251436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4643.251436][ T10] ___sys_sendmsg+0xee/0x170 [ 4643.251436][ T10] __sys_sendmsg+0xcd/0x170 [ 4643.251436][ T10] do_syscall_64+0xc6/0x1e0 [ 4643.251436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4643.251436][ T10] [ 4643.253436][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4643.253436][ T10] netdev_get_by_index+0x5e/0x80 [ 4643.253436][ T10] fib6_nh_init+0x3d8/0x1580 [ 4643.253436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4643.253436][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4643.253436][ T10] ipv6_add_addr+0x411/0x2000 [ 4643.253436][ T10] inet6_addr_add+0x30e/0xa40 [ 4643.253436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4643.253436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4643.253436][ T10] netlink_rcv_skb+0x130/0x360 [ 4643.253436][ T10] netlink_unicast+0x449/0x710 [ 4643.253436][ T10] netlink_sendmsg+0x723/0xbe0 [ 4643.253436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4643.253436][ T10] ___sys_sendmsg+0xee/0x170 [ 4643.253436][ T10] __sys_sendmsg+0xcd/0x170 [ 4643.253436][ T10] do_syscall_64+0xc6/0x1e0 [ 4643.253436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4643.253436][ T10] [ 4643.255462][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4643.255462][ T10] netdev_get_by_index+0x5e/0x80 [ 4643.255462][ T10] fib6_nh_init+0x3d8/0x1580 [ 4643.255462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4643.255462][ T10] ip6_route_add+0x1c/0x140 [ 4643.255462][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4643.255462][ T10] addrconf_add_dev+0xe2/0x170 [ 4643.255462][ T10] inet6_addr_add+0x12f/0xa40 [ 4643.255462][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4643.255462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4643.255462][ T10] netlink_rcv_skb+0x130/0x360 [ 4643.255462][ T10] netlink_unicast+0x449/0x710 [ 4643.255462][ T10] netlink_sendmsg+0x723/0xbe0 [ 4643.255462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4643.255462][ T10] ___sys_sendmsg+0xee/0x170 [ 4643.255462][ T10] __sys_sendmsg+0xcd/0x170 [ 4643.255462][ T10] do_syscall_64+0xc6/0x1e0 [ 4643.255462][ T10] [ 4643.257448][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4643.257448][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4643.257448][ T10] ipv6_find_idev+0x102/0x170 [ 4643.257448][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4643.257448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4643.257448][ T10] netlink_rcv_skb+0x130/0x360 [ 4643.257448][ T10] netlink_unicast+0x449/0x710 [ 4643.257448][ T10] netlink_sendmsg+0x723/0xbe0 [ 4643.257448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4643.257448][ T10] ___sys_sendmsg+0xee/0x170 [ 4643.257448][ T10] __sys_sendmsg+0xcd/0x170 [ 4643.257448][ T10] do_syscall_64+0xc6/0x1e0 [ 4643.257448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4643.257448][ T10] [ 4643.258997][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4643.258997][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4643.258997][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4643.258997][ T10] ipv6_find_idev+0x102/0x170 [ 4643.258997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4643.258997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4643.258997][ T10] netlink_rcv_skb+0x130/0x360 [ 4643.258997][ T10] netlink_unicast+0x449/0x710 [ 4643.258997][ T10] netlink_sendmsg+0x723/0xbe0 [ 4643.258997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4643.258997][ T10] ___sys_sendmsg+0xee/0x170 [ 4643.258997][ T10] __sys_sendmsg+0xcd/0x170 [ 4643.258997][ T10] do_syscall_64+0xc6/0x1e0 [ 4643.258997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4643.258997][ T10] [ 4643.260697][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4643.260938][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4643.260938][ T10] netdev_get_by_index+0x5e/0x80 [ 4643.260938][ T10] fib6_nh_init+0x3d8/0x1580 [ 4643.260938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4643.260938][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4643.260938][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4643.260938][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4643.260938][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4643.260938][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4643.260938][ T10] addrconf_dad_begin+0x310/0x670 [ 4643.260938][ T10] addrconf_dad_work+0x10b/0xab0 [ 4643.260938][ T10] process_one_work+0x84d/0x18a0 [ 4643.260938][ T10] worker_thread+0x587/0xd30 [ 4643.260938][ T10] kthread+0x28a/0x350 [ 4643.260938][ T10] ret_from_fork+0x31/0x70 [ 4643.260938][ T10] ret_from_fork_asm+0x1a/0x30 [ 4643.260938][ T10] [ 4643.262885][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4643.262885][ T10] netdev_get_by_index+0x5e/0x80 [ 4643.262885][ T10] fib6_nh_init+0x3d8/0x1580 [ 4643.262885][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4643.262885][ T10] ip6_route_add+0x1c/0x140 [ 4643.262885][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4643.262885][ T10] inet6_addr_add+0x4f8/0xa40 [ 4643.262885][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4643.262885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4643.262885][ T10] netlink_rcv_skb+0x130/0x360 [ 4643.262885][ T10] netlink_unicast+0x449/0x710 [ 4643.262885][ T10] netlink_sendmsg+0x723/0xbe0 [ 4643.262885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4643.262885][ T10] ___sys_sendmsg+0xee/0x170 [ 4643.262885][ T10] __sys_sendmsg+0xcd/0x170 [ 4643.262885][ T10] do_syscall_64+0xc6/0x1e0 [ 4643.262885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4643.262885][ T10] [ 4643.264891][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4643.264891][ T10] netdev_get_by_index+0x5e/0x80 [ 4643.264891][ T10] fib6_nh_init+0x3d8/0x1580 [ 4643.264891][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4643.264891][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4643.264891][ T10] ipv6_add_addr+0x411/0x2000 [ 4643.264891][ T10] inet6_addr_add+0x30e/0xa40 [ 4643.264891][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4643.264891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4643.264891][ T10] netlink_rcv_skb+0x130/0x360 [ 4643.264891][ T10] netlink_unicast+0x449/0x710 [ 4643.264891][ T10] netlink_sendmsg+0x723/0xbe0 [ 4643.264891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4643.264891][ T10] ___sys_sendmsg+0xee/0x170 [ 4643.264891][ T10] __sys_sendmsg+0xcd/0x170 [ 4643.264891][ T10] do_syscall_64+0xc6/0x1e0 [ 4643.264891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4643.264891][ T10] [ 4643.266928][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4643.266928][ T10] netdev_get_by_index+0x5e/0x80 [ 4643.266928][ T10] fib6_nh_init+0x3d8/0x1580 [ 4643.266928][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4643.266928][ T10] ip6_route_add+0x1c/0x140 [ 4643.266928][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4643.266928][ T10] addrconf_add_dev+0xe2/0x170 [ 4643.266928][ T10] inet6_addr_add+0x12f/0xa40 [ 4643.266928][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4643.266928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4643.266928][ T10] netlink_rcv_skb+0x130/0x360 [ 4643.266928][ T10] netlink_unicast+0x449/0x710 [ 4643.266928][ T10] netlink_sendmsg+0x723/0xbe0 [ 4643.266928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4643.266928][ T10] ___sys_sendmsg+0xee/0x170 [ 4643.266928][ T10] __sys_sendmsg+0xcd/0x170 [ 4643.266928][ T10] do_syscall_64+0xc6/0x1e0 [ 4643.266928][ T10] [ 4643.268905][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4643.268905][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4643.268905][ T10] ipv6_find_idev+0x102/0x170 [ 4643.268905][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4643.268905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4643.268905][ T10] netlink_rcv_skb+0x130/0x360 [ 4643.268905][ T10] netlink_unicast+0x449/0x710 [ 4643.268905][ T10] netlink_sendmsg+0x723/0xbe0 [ 4643.268905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4643.268905][ T10] ___sys_sendmsg+0xee/0x170 [ 4643.268905][ T10] __sys_sendmsg+0xcd/0x170 [ 4643.268905][ T10] do_syscall_64+0xc6/0x1e0 [ 4643.268905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4643.268905][ T10] [ 4643.270448][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4643.270448][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4643.270448][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4643.270448][ T10] ipv6_find_idev+0x102/0x170 [ 4643.270448][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4643.270448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4643.270448][ T10] netlink_rcv_skb+0x130/0x360 [ 4643.270448][ T10] netlink_unicast+0x449/0x710 [ 4643.270448][ T10] netlink_sendmsg+0x723/0xbe0 [ 4643.270448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4643.270448][ T10] ___sys_sendmsg+0xee/0x170 [ 4643.270448][ T10] __sys_sendmsg+0xcd/0x170 [ 4643.270448][ T10] do_syscall_64+0xc6/0x1e0 [ 4643.270448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4643.270448][ T10] [ 4643.272132][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4643.272379][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4643.272379][ T10] netdev_get_by_index+0x5e/0x80 [ 4643.272379][ T10] fib6_nh_init+0x3d8/0x1580 [ 4643.272379][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4643.272379][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4643.272379][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4643.272379][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4643.272379][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4643.272379][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4643.272379][ T10] addrconf_dad_begin+0x310/0x670 [ 4643.272379][ T10] addrconf_dad_work+0x10b/0xab0 [ 4643.272379][ T10] process_one_work+0x84d/0x18a0 [ 4643.272379][ T10] worker_thread+0x587/0xd30 [ 4643.272379][ T10] kthread+0x28a/0x350 [ 4643.272379][ T10] ret_from_fork+0x31/0x70 [ 4643.272379][ T10] ret_from_fork_asm+0x1a/0x30 [ 4643.272379][ T10] [ 4643.274332][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4643.274332][ T10] netdev_get_by_index+0x5e/0x80 [ 4643.274332][ T10] fib6_nh_init+0x3d8/0x1580 [ 4643.274332][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4643.274332][ T10] ip6_route_add+0x1c/0x140 [ 4643.274332][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4643.274332][ T10] inet6_addr_add+0x4f8/0xa40 [ 4643.274332][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4643.274332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4643.274332][ T10] netlink_rcv_skb+0x130/0x360 [ 4643.274332][ T10] netlink_unicast+0x449/0x710 [ 4643.274332][ T10] netlink_sendmsg+0x723/0xbe0 [ 4643.274332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4643.274332][ T10] ___sys_sendmsg+0xee/0x170 [ 4643.274332][ T10] __sys_sendmsg+0xcd/0x170 [ 4643.274332][ T10] do_syscall_64+0xc6/0x1e0 [ 4643.274332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4643.274332][ T10] [ 4643.276416][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4643.276416][ T10] netdev_get_by_index+0x5e/0x80 [ 4643.276416][ T10] fib6_nh_init+0x3d8/0x1580 [ 4643.276416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4643.276416][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4643.276416][ T10] ipv6_add_addr+0x411/0x2000 [ 4643.276416][ T10] inet6_addr_add+0x30e/0xa40 [ 4643.276416][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4643.276416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4643.276416][ T10] netlink_rcv_skb+0x130/0x360 [ 4643.276416][ T10] netlink_unicast+0x449/0x710 [ 4643.276416][ T10] netlink_sendmsg+0x723/0xbe0 [ 4643.276416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4643.276416][ T10] ___sys_sendmsg+0xee/0x170 [ 4643.276416][ T10] __sys_sendmsg+0xcd/0x170 [ 4643.276416][ T10] do_syscall_64+0xc6/0x1e0 [ 4643.276416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4643.276416][ T10] [ 4643.278564][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4643.278564][ T10] netdev_get_by_index+0x5e/0x80 [ 4643.278564][ T10] fib6_nh_init+0x3d8/0x1580 [ 4643.278564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4643.278564][ T10] ip6_route_add+0x1c/0x140 [ 4643.278564][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4643.278564][ T10] addrconf_add_dev+0xe2/0x170 [ 4643.278564][ T10] inet6_addr_add+0x12f/0xa40 [ 4643.278564][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4643.278564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4643.278564][ T10] netlink_rcv_skb+0x130/0x360 [ 4643.278564][ T10] netlink_unicast+0x449/0x710 [ 4643.278564][ T10] netlink_sendmsg+0x723/0xbe0 [ 4643.278564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4643.278564][ T10] ___sys_sendmsg+0xee/0x170 [ 4643.278564][ T10] __sys_sendmsg+0xcd/0x170 [ 4643.278564][ T10] do_syscall_64+0xc6/0x1e0 [ 4643.278564][ T10] [ 4643.280610][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4643.280610][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4643.280610][ T10] ipv6_find_idev+0x102/0x170 [ 4643.280610][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4643.280610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4643.280610][ T10] netlink_rcv_skb+0x130/0x360 [ 4643.280610][ T10] netlink_unicast+0x449/0x710 [ 4643.280610][ T10] netlink_sendmsg+0x723/0xbe0 [ 4643.280610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4643.280610][ T10] ___sys_sendmsg+0xee/0x170 [ 4643.280610][ T10] __sys_sendmsg+0xcd/0x170 [ 4643.280610][ T10] do_syscall_64+0xc6/0x1e0 [ 4643.280610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4643.280610][ T10] [ 4643.282138][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4643.282138][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4643.282138][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4643.282138][ T10] ipv6_find_idev+0x102/0x170 [ 4643.282138][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4643.282138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4643.282138][ T10] netlink_rcv_skb+0x130/0x360 [ 4643.282138][ T10] netlink_unicast+0x449/0x710 [ 4643.282138][ T10] netlink_sendmsg+0x723/0xbe0 [ 4643.282138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4643.282138][ T10] ___sys_sendmsg+0xee/0x170 [ 4643.282138][ T10] __sys_sendmsg+0xcd/0x170 [ 4643.282138][ T10] do_syscall_64+0xc6/0x1e0 [ 4643.282138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4643.282138][ T10] [ 4643.283960][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4643.284273][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4643.284273][ T10] netdev_get_by_index+0x5e/0x80 [ 4643.284273][ T10] fib6_nh_init+0x3d8/0x1580 [ 4643.284273][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4643.284273][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4643.284273][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4643.284273][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4643.284273][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4643.284273][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4643.284273][ T10] addrconf_dad_begin+0x310/0x670 [ 4643.284273][ T10] addrconf_dad_work+0x10b/0xab0 [ 4643.284273][ T10] process_one_work+0x84d/0x18a0 [ 4643.284273][ T10] worker_thread+0x587/0xd30 [ 4643.284273][ T10] kthread+0x28a/0x350 [ 4643.284273][ T10] ret_from_fork+0x31/0x70 [ 4643.284273][ T10] ret_from_fork_asm+0x1a/0x30 [ 4643.284273][ T10] [ 4643.286269][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4643.286269][ T10] netdev_get_by_index+0x5e/0x80 [ 4643.286269][ T10] fib6_nh_init+0x3d8/0x1580 [ 4643.286269][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4643.286269][ T10] ip6_route_add+0x1c/0x140 [ 4643.286269][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4643.286269][ T10] inet6_addr_add+0x4f8/0xa40 [ 4643.286269][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4643.286269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4643.286269][ T10] netlink_rcv_skb+0x130/0x360 [ 4643.286269][ T10] netlink_unicast+0x449/0x710 [ 4643.286269][ T10] netlink_sendmsg+0x723/0xbe0 [ 4643.286269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4643.286269][ T10] ___sys_sendmsg+0xee/0x170 [ 4643.286269][ T10] __sys_sendmsg+0xcd/0x170 [ 4643.286269][ T10] do_syscall_64+0xc6/0x1e0 [ 4643.286269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4643.286269][ T10] [ 4643.288338][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4643.288338][ T10] netdev_get_by_index+0x5e/0x80 [ 4643.288338][ T10] fib6_nh_init+0x3d8/0x1580 [ 4643.288338][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4643.288338][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4643.288338][ T10] ipv6_add_addr+0x411/0x2000 [ 4643.288338][ T10] inet6_addr_add+0x30e/0xa40 [ 4643.288338][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4643.288338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4643.288338][ T10] netlink_rcv_skb+0x130/0x360 [ 4643.288338][ T10] netlink_unicast+0x449/0x710 [ 4643.288338][ T10] netlink_sendmsg+0x723/0xbe0 [ 4643.288338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4643.288338][ T10] ___sys_sendmsg+0xee/0x170 [ 4643.288338][ T10] __sys_sendmsg+0xcd/0x170 [ 4643.288338][ T10] do_syscall_64+0xc6/0x1e0 [ 4643.288338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4643.288338][ T10] [ 4643.290391][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4643.290391][ T10] netdev_get_by_index+0x5e/0x80 [ 4643.290391][ T10] fib6_nh_init+0x3d8/0x1580 [ 4643.290391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4643.290391][ T10] ip6_route_add+0x1c/0x140 [ 4643.290391][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4643.290391][ T10] addrconf_add_dev+0xe2/0x170 [ 4643.290391][ T10] inet6_addr_add+0x12f/0xa40 [ 4643.290391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4643.290391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4643.290391][ T10] netlink_rcv_skb+0x130/0x360 [ 4643.290391][ T10] netlink_unicast+0x449/0x710 [ 4643.290391][ T10] netlink_sendmsg+0x723/0xbe0 [ 4643.290391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4643.290391][ T10] ___sys_sendmsg+0xee/0x170 [ 4643.290391][ T10] __sys_sendmsg+0xcd/0x170 [ 4643.290391][ T10] do_syscall_64+0xc6/0x1e0 [ 4643.290391][ T10] [ 4643.292508][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4643.292508][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4643.292508][ T10] ipv6_find_idev+0x102/0x170 [ 4643.292508][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4643.292508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4643.292508][ T10] netlink_rcv_skb+0x130/0x360 [ 4643.292508][ T10] netlink_unicast+0x449/0x710 [ 4643.292508][ T10] netlink_sendmsg+0x723/0xbe0 [ 4643.292508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4643.292508][ T10] ___sys_sendmsg+0xee/0x170 [ 4643.292508][ T10] __sys_sendmsg+0xcd/0x170 [ 4643.292508][ T10] do_syscall_64+0xc6/0x1e0 [ 4643.292508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4643.292508][ T10] [ 4643.294043][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4643.294043][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4643.294043][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4643.294043][ T10] ipv6_find_idev+0x102/0x170 [ 4643.294043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4643.294043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4643.294043][ T10] netlink_rcv_skb+0x130/0x360 [ 4643.294043][ T10] netlink_unicast+0x449/0x710 [ 4643.294043][ T10] netlink_sendmsg+0x723/0xbe0 [ 4643.294043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4643.294043][ T10] ___sys_sendmsg+0xee/0x170 [ 4643.294043][ T10] __sys_sendmsg+0xcd/0x170 [ 4643.294043][ T10] do_syscall_64+0xc6/0x1e0 [ 4643.294043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4643.294043][ T10] [ 4648.785111][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4648.785576][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4648.785576][ T1167] dst_init+0x84/0x4a0 [ 4648.785576][ T1167] dst_alloc+0x97/0x150 [ 4648.785576][ T1167] ip6_dst_alloc+0x23/0x90 [ 4648.785576][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4648.785576][ T1167] ip6_pol_route+0x56f/0x840 [ 4648.785576][ T1167] fib6_rule_lookup+0x334/0x630 [ 4648.785576][ T1167] ip6_route_output_flags+0x259/0x480 [ 4648.785576][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4648.785576][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4648.785576][ T1167] netlink_rcv_skb+0x130/0x360 [ 4648.785576][ T1167] netlink_unicast+0x449/0x710 [ 4648.785576][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4648.785576][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4648.785576][ T1167] ___sys_sendmsg+0xee/0x170 [ 4648.785576][ T1167] __sys_sendmsg+0xcd/0x170 [ 4648.785576][ T1167] do_syscall_64+0xc6/0x1e0 [ 4648.785576][ T1167] [ 4648.787809][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4648.787809][ T1167] netdev_get_by_index+0x5e/0x80 [ 4648.787809][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4648.787809][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4648.787809][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4648.787809][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4648.787809][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4648.787809][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4648.787809][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4648.787809][ T1167] addrconf_dad_begin+0x310/0x670 [ 4648.787809][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4648.787809][ T1167] process_one_work+0x84d/0x18a0 [ 4648.787809][ T1167] worker_thread+0x587/0xd30 [ 4648.787809][ T1167] kthread+0x28a/0x350 [ 4648.787809][ T1167] ret_from_fork+0x31/0x70 [ 4648.787809][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4648.787809][ T1167] [ 4648.789956][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4648.789956][ T1167] netdev_get_by_index+0x5e/0x80 [ 4648.789956][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4648.789956][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4648.789956][ T1167] ip6_route_add+0x1c/0x140 [ 4648.789956][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4648.789956][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4648.789956][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4648.789956][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4648.789956][ T1167] netlink_rcv_skb+0x130/0x360 [ 4648.789956][ T1167] netlink_unicast+0x449/0x710 [ 4648.789956][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4648.789956][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4648.789956][ T1167] ___sys_sendmsg+0xee/0x170 [ 4648.789956][ T1167] __sys_sendmsg+0xcd/0x170 [ 4648.789956][ T1167] do_syscall_64+0xc6/0x1e0 [ 4648.789956][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4648.789956][ T1167] [ 4648.792212][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4648.792212][ T1167] netdev_get_by_index+0x5e/0x80 [ 4648.792212][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4648.792212][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4648.792212][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4648.792212][ T1167] ipv6_add_addr+0x411/0x2000 [ 4648.792212][ T1167] inet6_addr_add+0x30e/0xa40 [ 4648.792212][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4648.792212][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4648.792212][ T1167] netlink_rcv_skb+0x130/0x360 [ 4648.792212][ T1167] netlink_unicast+0x449/0x710 [ 4648.792212][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4648.792212][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4648.792212][ T1167] ___sys_sendmsg+0xee/0x170 [ 4648.792212][ T1167] __sys_sendmsg+0xcd/0x170 [ 4648.792212][ T1167] do_syscall_64+0xc6/0x1e0 [ 4648.792212][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4648.792212][ T1167] [ 4648.794526][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4648.794526][ T1167] netdev_get_by_index+0x5e/0x80 [ 4648.794526][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4648.794526][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4648.794526][ T1167] ip6_route_add+0x1c/0x140 [ 4648.794526][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4648.794526][ T1167] addrconf_add_dev+0xe2/0x170 [ 4648.794526][ T1167] inet6_addr_add+0x12f/0xa40 [ 4648.794526][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4648.794526][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4648.794526][ T1167] netlink_rcv_skb+0x130/0x360 [ 4648.794526][ T1167] netlink_unicast+0x449/0x710 [ 4648.794526][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4648.794526][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4648.794526][ T1167] ___sys_sendmsg+0xee/0x170 [ 4648.794526][ T1167] __sys_sendmsg+0xcd/0x170 [ 4648.794526][ T1167] do_syscall_64+0xc6/0x1e0 [ 4648.794526][ T1167] [ 4648.796746][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4648.796746][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4648.796746][ T1167] ipv6_find_idev+0x102/0x170 [ 4648.796746][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4648.796746][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4648.796746][ T1167] netlink_rcv_skb+0x130/0x360 [ 4648.796746][ T1167] netlink_unicast+0x449/0x710 [ 4648.796746][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4648.796746][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4648.796746][ T1167] ___sys_sendmsg+0xee/0x170 [ 4648.796746][ T1167] __sys_sendmsg+0xcd/0x170 [ 4648.796746][ T1167] do_syscall_64+0xc6/0x1e0 [ 4648.796746][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4648.796746][ T1167] [ 4648.798479][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4648.798479][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4648.798479][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4648.798479][ T1167] ipv6_find_idev+0x102/0x170 [ 4648.798479][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4648.798479][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4648.798479][ T1167] netlink_rcv_skb+0x130/0x360 [ 4648.798479][ T1167] netlink_unicast+0x449/0x710 [ 4648.798479][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4648.798479][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4648.798479][ T1167] ___sys_sendmsg+0xee/0x170 [ 4648.798479][ T1167] __sys_sendmsg+0xcd/0x170 [ 4648.798479][ T1167] do_syscall_64+0xc6/0x1e0 [ 4648.798479][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4648.798479][ T1167] [ 4653.537154][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4653.537517][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4653.537517][ T10] netdev_get_by_index+0x5e/0x80 [ 4653.537517][ T10] fib6_nh_init+0x3d8/0x1580 [ 4653.537517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4653.537517][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4653.537517][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4653.537517][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4653.537517][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4653.537517][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4653.537517][ T10] addrconf_dad_begin+0x310/0x670 [ 4653.537517][ T10] addrconf_dad_work+0x10b/0xab0 [ 4653.537517][ T10] process_one_work+0x84d/0x18a0 [ 4653.537517][ T10] worker_thread+0x587/0xd30 [ 4653.537517][ T10] kthread+0x28a/0x350 [ 4653.537517][ T10] ret_from_fork+0x31/0x70 [ 4653.537517][ T10] ret_from_fork_asm+0x1a/0x30 [ 4653.537517][ T10] [ 4653.539440][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4653.539440][ T10] netdev_get_by_index+0x5e/0x80 [ 4653.539440][ T10] fib6_nh_init+0x3d8/0x1580 [ 4653.539440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4653.539440][ T10] ip6_route_add+0x1c/0x140 [ 4653.539440][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4653.539440][ T10] inet6_addr_add+0x4f8/0xa40 [ 4653.539440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4653.539440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4653.539440][ T10] netlink_rcv_skb+0x130/0x360 [ 4653.539440][ T10] netlink_unicast+0x449/0x710 [ 4653.539440][ T10] netlink_sendmsg+0x723/0xbe0 [ 4653.539440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4653.539440][ T10] ___sys_sendmsg+0xee/0x170 [ 4653.539440][ T10] __sys_sendmsg+0xcd/0x170 [ 4653.539440][ T10] do_syscall_64+0xc6/0x1e0 [ 4653.539440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4653.539440][ T10] [ 4653.541445][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4653.541445][ T10] netdev_get_by_index+0x5e/0x80 [ 4653.541445][ T10] fib6_nh_init+0x3d8/0x1580 [ 4653.541445][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4653.541445][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4653.541445][ T10] ipv6_add_addr+0x411/0x2000 [ 4653.541445][ T10] inet6_addr_add+0x30e/0xa40 [ 4653.541445][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4653.541445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4653.541445][ T10] netlink_rcv_skb+0x130/0x360 [ 4653.541445][ T10] netlink_unicast+0x449/0x710 [ 4653.541445][ T10] netlink_sendmsg+0x723/0xbe0 [ 4653.541445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4653.541445][ T10] ___sys_sendmsg+0xee/0x170 [ 4653.541445][ T10] __sys_sendmsg+0xcd/0x170 [ 4653.541445][ T10] do_syscall_64+0xc6/0x1e0 [ 4653.541445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4653.541445][ T10] [ 4653.543440][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4653.543440][ T10] netdev_get_by_index+0x5e/0x80 [ 4653.543440][ T10] fib6_nh_init+0x3d8/0x1580 [ 4653.543440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4653.543440][ T10] ip6_route_add+0x1c/0x140 [ 4653.543440][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4653.543440][ T10] addrconf_add_dev+0xe2/0x170 [ 4653.543440][ T10] inet6_addr_add+0x12f/0xa40 [ 4653.543440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4653.543440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4653.543440][ T10] netlink_rcv_skb+0x130/0x360 [ 4653.543440][ T10] netlink_unicast+0x449/0x710 [ 4653.543440][ T10] netlink_sendmsg+0x723/0xbe0 [ 4653.543440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4653.543440][ T10] ___sys_sendmsg+0xee/0x170 [ 4653.543440][ T10] __sys_sendmsg+0xcd/0x170 [ 4653.543440][ T10] do_syscall_64+0xc6/0x1e0 [ 4653.543440][ T10] [ 4653.545416][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4653.545416][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4653.545416][ T10] ipv6_find_idev+0x102/0x170 [ 4653.545416][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4653.545416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4653.545416][ T10] netlink_rcv_skb+0x130/0x360 [ 4653.545416][ T10] netlink_unicast+0x449/0x710 [ 4653.545416][ T10] netlink_sendmsg+0x723/0xbe0 [ 4653.545416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4653.545416][ T10] ___sys_sendmsg+0xee/0x170 [ 4653.545416][ T10] __sys_sendmsg+0xcd/0x170 [ 4653.545416][ T10] do_syscall_64+0xc6/0x1e0 [ 4653.545416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4653.545416][ T10] [ 4653.546980][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4653.546980][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4653.546980][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4653.546980][ T10] ipv6_find_idev+0x102/0x170 [ 4653.546980][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4653.546980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4653.546980][ T10] netlink_rcv_skb+0x130/0x360 [ 4653.546980][ T10] netlink_unicast+0x449/0x710 [ 4653.546980][ T10] netlink_sendmsg+0x723/0xbe0 [ 4653.546980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4653.546980][ T10] ___sys_sendmsg+0xee/0x170 [ 4653.546980][ T10] __sys_sendmsg+0xcd/0x170 [ 4653.546980][ T10] do_syscall_64+0xc6/0x1e0 [ 4653.546980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4653.546980][ T10] [ 4653.548659][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4653.548907][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4653.548907][ T10] netdev_get_by_index+0x5e/0x80 [ 4653.548907][ T10] fib6_nh_init+0x3d8/0x1580 [ 4653.548907][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4653.548907][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4653.548907][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4653.548907][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4653.548907][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4653.548907][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4653.548907][ T10] addrconf_dad_begin+0x310/0x670 [ 4653.548907][ T10] addrconf_dad_work+0x10b/0xab0 [ 4653.548907][ T10] process_one_work+0x84d/0x18a0 [ 4653.548907][ T10] worker_thread+0x587/0xd30 [ 4653.548907][ T10] kthread+0x28a/0x350 [ 4653.548907][ T10] ret_from_fork+0x31/0x70 [ 4653.548907][ T10] ret_from_fork_asm+0x1a/0x30 [ 4653.548907][ T10] [ 4653.550826][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4653.550826][ T10] netdev_get_by_index+0x5e/0x80 [ 4653.550826][ T10] fib6_nh_init+0x3d8/0x1580 [ 4653.550826][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4653.550826][ T10] ip6_route_add+0x1c/0x140 [ 4653.550826][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4653.550826][ T10] inet6_addr_add+0x4f8/0xa40 [ 4653.550826][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4653.550826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4653.550826][ T10] netlink_rcv_skb+0x130/0x360 [ 4653.550826][ T10] netlink_unicast+0x449/0x710 [ 4653.550826][ T10] netlink_sendmsg+0x723/0xbe0 [ 4653.550826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4653.550826][ T10] ___sys_sendmsg+0xee/0x170 [ 4653.550826][ T10] __sys_sendmsg+0xcd/0x170 [ 4653.550826][ T10] do_syscall_64+0xc6/0x1e0 [ 4653.550826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4653.550826][ T10] [ 4653.552821][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4653.552821][ T10] netdev_get_by_index+0x5e/0x80 [ 4653.552821][ T10] fib6_nh_init+0x3d8/0x1580 [ 4653.552821][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4653.552821][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4653.552821][ T10] ipv6_add_addr+0x411/0x2000 [ 4653.552821][ T10] inet6_addr_add+0x30e/0xa40 [ 4653.552821][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4653.552821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4653.552821][ T10] netlink_rcv_skb+0x130/0x360 [ 4653.552821][ T10] netlink_unicast+0x449/0x710 [ 4653.552821][ T10] netlink_sendmsg+0x723/0xbe0 [ 4653.552821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4653.552821][ T10] ___sys_sendmsg+0xee/0x170 [ 4653.552821][ T10] __sys_sendmsg+0xcd/0x170 [ 4653.552821][ T10] do_syscall_64+0xc6/0x1e0 [ 4653.552821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4653.552821][ T10] [ 4653.554834][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4653.554834][ T10] netdev_get_by_index+0x5e/0x80 [ 4653.554834][ T10] fib6_nh_init+0x3d8/0x1580 [ 4653.554834][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4653.554834][ T10] ip6_route_add+0x1c/0x140 [ 4653.554834][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4653.554834][ T10] addrconf_add_dev+0xe2/0x170 [ 4653.554834][ T10] inet6_addr_add+0x12f/0xa40 [ 4653.554834][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4653.554834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4653.554834][ T10] netlink_rcv_skb+0x130/0x360 [ 4653.554834][ T10] netlink_unicast+0x449/0x710 [ 4653.554834][ T10] netlink_sendmsg+0x723/0xbe0 [ 4653.554834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4653.554834][ T10] ___sys_sendmsg+0xee/0x170 [ 4653.554834][ T10] __sys_sendmsg+0xcd/0x170 [ 4653.554834][ T10] do_syscall_64+0xc6/0x1e0 [ 4653.554834][ T10] [ 4653.556802][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4653.556802][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4653.556802][ T10] ipv6_find_idev+0x102/0x170 [ 4653.556802][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4653.556802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4653.556802][ T10] netlink_rcv_skb+0x130/0x360 [ 4653.556802][ T10] netlink_unicast+0x449/0x710 [ 4653.556802][ T10] netlink_sendmsg+0x723/0xbe0 [ 4653.556802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4653.556802][ T10] ___sys_sendmsg+0xee/0x170 [ 4653.556802][ T10] __sys_sendmsg+0xcd/0x170 [ 4653.556802][ T10] do_syscall_64+0xc6/0x1e0 [ 4653.556802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4653.556802][ T10] [ 4653.558345][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4653.558345][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4653.558345][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4653.558345][ T10] ipv6_find_idev+0x102/0x170 [ 4653.558345][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4653.558345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4653.558345][ T10] netlink_rcv_skb+0x130/0x360 [ 4653.558345][ T10] netlink_unicast+0x449/0x710 [ 4653.558345][ T10] netlink_sendmsg+0x723/0xbe0 [ 4653.558345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4653.558345][ T10] ___sys_sendmsg+0xee/0x170 [ 4653.558345][ T10] __sys_sendmsg+0xcd/0x170 [ 4653.558345][ T10] do_syscall_64+0xc6/0x1e0 [ 4653.558345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4653.558345][ T10] [ 4653.560032][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4653.560265][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4653.560265][ T10] netdev_get_by_index+0x5e/0x80 [ 4653.560265][ T10] fib6_nh_init+0x3d8/0x1580 [ 4653.560265][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4653.560265][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4653.560265][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4653.560265][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4653.560265][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4653.560265][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4653.560265][ T10] addrconf_dad_begin+0x310/0x670 [ 4653.560265][ T10] addrconf_dad_work+0x10b/0xab0 [ 4653.560265][ T10] process_one_work+0x84d/0x18a0 [ 4653.560265][ T10] worker_thread+0x587/0xd30 [ 4653.560265][ T10] kthread+0x28a/0x350 [ 4653.560265][ T10] ret_from_fork+0x31/0x70 [ 4653.560265][ T10] ret_from_fork_asm+0x1a/0x30 [ 4653.560265][ T10] [ 4653.562172][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4653.562172][ T10] netdev_get_by_index+0x5e/0x80 [ 4653.562172][ T10] fib6_nh_init+0x3d8/0x1580 [ 4653.562172][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4653.562172][ T10] ip6_route_add+0x1c/0x140 [ 4653.562172][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4653.562172][ T10] inet6_addr_add+0x4f8/0xa40 [ 4653.562172][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4653.562172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4653.562172][ T10] netlink_rcv_skb+0x130/0x360 [ 4653.562172][ T10] netlink_unicast+0x449/0x710 [ 4653.562172][ T10] netlink_sendmsg+0x723/0xbe0 [ 4653.562172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4653.562172][ T10] ___sys_sendmsg+0xee/0x170 [ 4653.562172][ T10] __sys_sendmsg+0xcd/0x170 [ 4653.562172][ T10] do_syscall_64+0xc6/0x1e0 [ 4653.562172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4653.562172][ T10] [ 4653.564361][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4653.564361][ T10] netdev_get_by_index+0x5e/0x80 [ 4653.564361][ T10] fib6_nh_init+0x3d8/0x1580 [ 4653.564361][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4653.564361][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4653.564361][ T10] ipv6_add_addr+0x411/0x2000 [ 4653.564361][ T10] inet6_addr_add+0x30e/0xa40 [ 4653.564361][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4653.564361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4653.564361][ T10] netlink_rcv_skb+0x130/0x360 [ 4653.564361][ T10] netlink_unicast+0x449/0x710 [ 4653.564361][ T10] netlink_sendmsg+0x723/0xbe0 [ 4653.564361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4653.564361][ T10] ___sys_sendmsg+0xee/0x170 [ 4653.564361][ T10] __sys_sendmsg+0xcd/0x170 [ 4653.564361][ T10] do_syscall_64+0xc6/0x1e0 [ 4653.564361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4653.564361][ T10] [ 4653.566547][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4653.566547][ T10] netdev_get_by_index+0x5e/0x80 [ 4653.566547][ T10] fib6_nh_init+0x3d8/0x1580 [ 4653.566547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4653.566547][ T10] ip6_route_add+0x1c/0x140 [ 4653.566547][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4653.566547][ T10] addrconf_add_dev+0xe2/0x170 [ 4653.566547][ T10] inet6_addr_add+0x12f/0xa40 [ 4653.566547][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4653.566547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4653.566547][ T10] netlink_rcv_skb+0x130/0x360 [ 4653.566547][ T10] netlink_unicast+0x449/0x710 [ 4653.566547][ T10] netlink_sendmsg+0x723/0xbe0 [ 4653.566547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4653.566547][ T10] ___sys_sendmsg+0xee/0x170 [ 4653.566547][ T10] __sys_sendmsg+0xcd/0x170 [ 4653.566547][ T10] do_syscall_64+0xc6/0x1e0 [ 4653.566547][ T10] [ 4653.568740][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4653.568740][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4653.568740][ T10] ipv6_find_idev+0x102/0x170 [ 4653.568740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4653.568740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4653.568740][ T10] netlink_rcv_skb+0x130/0x360 [ 4653.568740][ T10] netlink_unicast+0x449/0x710 [ 4653.568740][ T10] netlink_sendmsg+0x723/0xbe0 [ 4653.568740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4653.568740][ T10] ___sys_sendmsg+0xee/0x170 [ 4653.568740][ T10] __sys_sendmsg+0xcd/0x170 [ 4653.568740][ T10] do_syscall_64+0xc6/0x1e0 [ 4653.568740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4653.568740][ T10] [ 4653.570477][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4653.570477][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4653.570477][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4653.570477][ T10] ipv6_find_idev+0x102/0x170 [ 4653.570477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4653.570477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4653.570477][ T10] netlink_rcv_skb+0x130/0x360 [ 4653.570477][ T10] netlink_unicast+0x449/0x710 [ 4653.570477][ T10] netlink_sendmsg+0x723/0xbe0 [ 4653.570477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4653.570477][ T10] ___sys_sendmsg+0xee/0x170 [ 4653.570477][ T10] __sys_sendmsg+0xcd/0x170 [ 4653.570477][ T10] do_syscall_64+0xc6/0x1e0 [ 4653.570477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4653.570477][ T10] [ 4653.572343][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4653.572583][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4653.572583][ T10] netdev_get_by_index+0x5e/0x80 [ 4653.572583][ T10] fib6_nh_init+0x3d8/0x1580 [ 4653.572583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4653.572583][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4653.572583][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4653.572583][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4653.572583][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4653.572583][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4653.572583][ T10] addrconf_dad_begin+0x310/0x670 [ 4653.572583][ T10] addrconf_dad_work+0x10b/0xab0 [ 4653.572583][ T10] process_one_work+0x84d/0x18a0 [ 4653.572583][ T10] worker_thread+0x587/0xd30 [ 4653.572583][ T10] kthread+0x28a/0x350 [ 4653.572583][ T10] ret_from_fork+0x31/0x70 [ 4653.572583][ T10] ret_from_fork_asm+0x1a/0x30 [ 4653.572583][ T10] [ 4653.574733][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4653.574733][ T10] netdev_get_by_index+0x5e/0x80 [ 4653.574733][ T10] fib6_nh_init+0x3d8/0x1580 [ 4653.574733][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4653.574733][ T10] ip6_route_add+0x1c/0x140 [ 4653.574733][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4653.574733][ T10] inet6_addr_add+0x4f8/0xa40 [ 4653.574733][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4653.574733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4653.574733][ T10] netlink_rcv_skb+0x130/0x360 [ 4653.574733][ T10] netlink_unicast+0x449/0x710 [ 4653.574733][ T10] netlink_sendmsg+0x723/0xbe0 [ 4653.574733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4653.574733][ T10] ___sys_sendmsg+0xee/0x170 [ 4653.574733][ T10] __sys_sendmsg+0xcd/0x170 [ 4653.574733][ T10] do_syscall_64+0xc6/0x1e0 [ 4653.574733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4653.574733][ T10] [ 4653.576988][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4653.576988][ T10] netdev_get_by_index+0x5e/0x80 [ 4653.576988][ T10] fib6_nh_init+0x3d8/0x1580 [ 4653.576988][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4653.576988][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4653.576988][ T10] ipv6_add_addr+0x411/0x2000 [ 4653.576988][ T10] inet6_addr_add+0x30e/0xa40 [ 4653.576988][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4653.576988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4653.576988][ T10] netlink_rcv_skb+0x130/0x360 [ 4653.576988][ T10] netlink_unicast+0x449/0x710 [ 4653.576988][ T10] netlink_sendmsg+0x723/0xbe0 [ 4653.576988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4653.576988][ T10] ___sys_sendmsg+0xee/0x170 [ 4653.576988][ T10] __sys_sendmsg+0xcd/0x170 [ 4653.576988][ T10] do_syscall_64+0xc6/0x1e0 [ 4653.576988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4653.576988][ T10] [ 4653.579156][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4653.579156][ T10] netdev_get_by_index+0x5e/0x80 [ 4653.579156][ T10] fib6_nh_init+0x3d8/0x1580 [ 4653.579156][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4653.579156][ T10] ip6_route_add+0x1c/0x140 [ 4653.579156][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4653.579156][ T10] addrconf_add_dev+0xe2/0x170 [ 4653.579156][ T10] inet6_addr_add+0x12f/0xa40 [ 4653.579156][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4653.579156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4653.579156][ T10] netlink_rcv_skb+0x130/0x360 [ 4653.579156][ T10] netlink_unicast+0x449/0x710 [ 4653.579156][ T10] netlink_sendmsg+0x723/0xbe0 [ 4653.579156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4653.579156][ T10] ___sys_sendmsg+0xee/0x170 [ 4653.579156][ T10] __sys_sendmsg+0xcd/0x170 [ 4653.579156][ T10] do_syscall_64+0xc6/0x1e0 [ 4653.579156][ T10] [ 4653.581419][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4653.581419][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4653.581419][ T10] ipv6_find_idev+0x102/0x170 [ 4653.581419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4653.581419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4653.581419][ T10] netlink_rcv_skb+0x130/0x360 [ 4653.581419][ T10] netlink_unicast+0x449/0x710 [ 4653.581419][ T10] netlink_sendmsg+0x723/0xbe0 [ 4653.581419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4653.581419][ T10] ___sys_sendmsg+0xee/0x170 [ 4653.581419][ T10] __sys_sendmsg+0xcd/0x170 [ 4653.581419][ T10] do_syscall_64+0xc6/0x1e0 [ 4653.581419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4653.581419][ T10] [ 4653.583142][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4653.583142][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4653.583142][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4653.583142][ T10] ipv6_find_idev+0x102/0x170 [ 4653.583142][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4653.583142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4653.583142][ T10] netlink_rcv_skb+0x130/0x360 [ 4653.583142][ T10] netlink_unicast+0x449/0x710 [ 4653.583142][ T10] netlink_sendmsg+0x723/0xbe0 [ 4653.583142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4653.583142][ T10] ___sys_sendmsg+0xee/0x170 [ 4653.583142][ T10] __sys_sendmsg+0xcd/0x170 [ 4653.583142][ T10] do_syscall_64+0xc6/0x1e0 [ 4653.583142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4653.583142][ T10] [ 4659.041107][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4659.041576][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4659.041576][ T1167] dst_init+0x84/0x4a0 [ 4659.041576][ T1167] dst_alloc+0x97/0x150 [ 4659.041576][ T1167] ip6_dst_alloc+0x23/0x90 [ 4659.041576][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4659.041576][ T1167] ip6_pol_route+0x56f/0x840 [ 4659.041576][ T1167] fib6_rule_lookup+0x334/0x630 [ 4659.041576][ T1167] ip6_route_output_flags+0x259/0x480 [ 4659.041576][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4659.041576][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4659.041576][ T1167] netlink_rcv_skb+0x130/0x360 [ 4659.041576][ T1167] netlink_unicast+0x449/0x710 [ 4659.041576][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4659.041576][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4659.041576][ T1167] ___sys_sendmsg+0xee/0x170 [ 4659.041576][ T1167] __sys_sendmsg+0xcd/0x170 [ 4659.041576][ T1167] do_syscall_64+0xc6/0x1e0 [ 4659.041576][ T1167] [ 4659.043902][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4659.043902][ T1167] netdev_get_by_index+0x5e/0x80 [ 4659.043902][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4659.043902][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4659.043902][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4659.043902][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4659.043902][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4659.043902][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4659.043902][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4659.043902][ T1167] addrconf_dad_begin+0x310/0x670 [ 4659.043902][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4659.043902][ T1167] process_one_work+0x84d/0x18a0 [ 4659.043902][ T1167] worker_thread+0x587/0xd30 [ 4659.043902][ T1167] kthread+0x28a/0x350 [ 4659.043902][ T1167] ret_from_fork+0x31/0x70 [ 4659.043902][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4659.043902][ T1167] [ 4659.046073][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4659.046073][ T1167] netdev_get_by_index+0x5e/0x80 [ 4659.046073][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4659.046073][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4659.046073][ T1167] ip6_route_add+0x1c/0x140 [ 4659.046073][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4659.046073][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4659.046073][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4659.046073][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4659.046073][ T1167] netlink_rcv_skb+0x130/0x360 [ 4659.046073][ T1167] netlink_unicast+0x449/0x710 [ 4659.046073][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4659.046073][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4659.046073][ T1167] ___sys_sendmsg+0xee/0x170 [ 4659.046073][ T1167] __sys_sendmsg+0xcd/0x170 [ 4659.046073][ T1167] do_syscall_64+0xc6/0x1e0 [ 4659.046073][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4659.046073][ T1167] [ 4659.048329][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4659.048329][ T1167] netdev_get_by_index+0x5e/0x80 [ 4659.048329][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4659.048329][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4659.048329][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4659.048329][ T1167] ipv6_add_addr+0x411/0x2000 [ 4659.048329][ T1167] inet6_addr_add+0x30e/0xa40 [ 4659.048329][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4659.048329][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4659.048329][ T1167] netlink_rcv_skb+0x130/0x360 [ 4659.048329][ T1167] netlink_unicast+0x449/0x710 [ 4659.048329][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4659.048329][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4659.048329][ T1167] ___sys_sendmsg+0xee/0x170 [ 4659.048329][ T1167] __sys_sendmsg+0xcd/0x170 [ 4659.048329][ T1167] do_syscall_64+0xc6/0x1e0 [ 4659.048329][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4659.048329][ T1167] [ 4659.050580][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4659.050580][ T1167] netdev_get_by_index+0x5e/0x80 [ 4659.050580][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4659.050580][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4659.050580][ T1167] ip6_route_add+0x1c/0x140 [ 4659.050580][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4659.050580][ T1167] addrconf_add_dev+0xe2/0x170 [ 4659.050580][ T1167] inet6_addr_add+0x12f/0xa40 [ 4659.050580][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4659.050580][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4659.050580][ T1167] netlink_rcv_skb+0x130/0x360 [ 4659.050580][ T1167] netlink_unicast+0x449/0x710 [ 4659.050580][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4659.050580][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4659.050580][ T1167] ___sys_sendmsg+0xee/0x170 [ 4659.050580][ T1167] __sys_sendmsg+0xcd/0x170 [ 4659.050580][ T1167] do_syscall_64+0xc6/0x1e0 [ 4659.050580][ T1167] [ 4659.052788][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4659.052788][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4659.052788][ T1167] ipv6_find_idev+0x102/0x170 [ 4659.052788][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4659.052788][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4659.052788][ T1167] netlink_rcv_skb+0x130/0x360 [ 4659.052788][ T1167] netlink_unicast+0x449/0x710 [ 4659.052788][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4659.052788][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4659.052788][ T1167] ___sys_sendmsg+0xee/0x170 [ 4659.052788][ T1167] __sys_sendmsg+0xcd/0x170 [ 4659.052788][ T1167] do_syscall_64+0xc6/0x1e0 [ 4659.052788][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4659.052788][ T1167] [ 4659.054518][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4659.054518][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4659.054518][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4659.054518][ T1167] ipv6_find_idev+0x102/0x170 [ 4659.054518][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4659.054518][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4659.054518][ T1167] netlink_rcv_skb+0x130/0x360 [ 4659.054518][ T1167] netlink_unicast+0x449/0x710 [ 4659.054518][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4659.054518][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4659.054518][ T1167] ___sys_sendmsg+0xee/0x170 [ 4659.054518][ T1167] __sys_sendmsg+0xcd/0x170 [ 4659.054518][ T1167] do_syscall_64+0xc6/0x1e0 [ 4659.054518][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4659.054518][ T1167] [ 4663.825109][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4663.825529][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4663.825529][ T10] netdev_get_by_index+0x5e/0x80 [ 4663.825529][ T10] fib6_nh_init+0x3d8/0x1580 [ 4663.825529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4663.825529][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4663.825529][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4663.825529][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4663.825529][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4663.825529][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4663.825529][ T10] addrconf_dad_begin+0x310/0x670 [ 4663.825529][ T10] addrconf_dad_work+0x10b/0xab0 [ 4663.825529][ T10] process_one_work+0x84d/0x18a0 [ 4663.825529][ T10] worker_thread+0x587/0xd30 [ 4663.825529][ T10] kthread+0x28a/0x350 [ 4663.825529][ T10] ret_from_fork+0x31/0x70 [ 4663.825529][ T10] ret_from_fork_asm+0x1a/0x30 [ 4663.825529][ T10] [ 4663.827481][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4663.827481][ T10] netdev_get_by_index+0x5e/0x80 [ 4663.827481][ T10] fib6_nh_init+0x3d8/0x1580 [ 4663.827481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4663.827481][ T10] ip6_route_add+0x1c/0x140 [ 4663.827481][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4663.827481][ T10] inet6_addr_add+0x4f8/0xa40 [ 4663.827481][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4663.827481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4663.827481][ T10] netlink_rcv_skb+0x130/0x360 [ 4663.827481][ T10] netlink_unicast+0x449/0x710 [ 4663.827481][ T10] netlink_sendmsg+0x723/0xbe0 [ 4663.827481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4663.827481][ T10] ___sys_sendmsg+0xee/0x170 [ 4663.827481][ T10] __sys_sendmsg+0xcd/0x170 [ 4663.827481][ T10] do_syscall_64+0xc6/0x1e0 [ 4663.827481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4663.827481][ T10] [ 4663.829483][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4663.829483][ T10] netdev_get_by_index+0x5e/0x80 [ 4663.829483][ T10] fib6_nh_init+0x3d8/0x1580 [ 4663.829483][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4663.829483][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4663.829483][ T10] ipv6_add_addr+0x411/0x2000 [ 4663.829483][ T10] inet6_addr_add+0x30e/0xa40 [ 4663.829483][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4663.829483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4663.829483][ T10] netlink_rcv_skb+0x130/0x360 [ 4663.829483][ T10] netlink_unicast+0x449/0x710 [ 4663.829483][ T10] netlink_sendmsg+0x723/0xbe0 [ 4663.829483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4663.829483][ T10] ___sys_sendmsg+0xee/0x170 [ 4663.829483][ T10] __sys_sendmsg+0xcd/0x170 [ 4663.829483][ T10] do_syscall_64+0xc6/0x1e0 [ 4663.829483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4663.829483][ T10] [ 4663.831478][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4663.831478][ T10] netdev_get_by_index+0x5e/0x80 [ 4663.831478][ T10] fib6_nh_init+0x3d8/0x1580 [ 4663.831478][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4663.831478][ T10] ip6_route_add+0x1c/0x140 [ 4663.831478][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4663.831478][ T10] addrconf_add_dev+0xe2/0x170 [ 4663.831478][ T10] inet6_addr_add+0x12f/0xa40 [ 4663.831478][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4663.831478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4663.831478][ T10] netlink_rcv_skb+0x130/0x360 [ 4663.831478][ T10] netlink_unicast+0x449/0x710 [ 4663.831478][ T10] netlink_sendmsg+0x723/0xbe0 [ 4663.831478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4663.831478][ T10] ___sys_sendmsg+0xee/0x170 [ 4663.831478][ T10] __sys_sendmsg+0xcd/0x170 [ 4663.831478][ T10] do_syscall_64+0xc6/0x1e0 [ 4663.831478][ T10] [ 4663.833442][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4663.833442][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4663.833442][ T10] ipv6_find_idev+0x102/0x170 [ 4663.833442][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4663.833442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4663.833442][ T10] netlink_rcv_skb+0x130/0x360 [ 4663.833442][ T10] netlink_unicast+0x449/0x710 [ 4663.833442][ T10] netlink_sendmsg+0x723/0xbe0 [ 4663.833442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4663.833442][ T10] ___sys_sendmsg+0xee/0x170 [ 4663.833442][ T10] __sys_sendmsg+0xcd/0x170 [ 4663.833442][ T10] do_syscall_64+0xc6/0x1e0 [ 4663.833442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4663.833442][ T10] [ 4663.834994][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4663.834994][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4663.834994][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4663.834994][ T10] ipv6_find_idev+0x102/0x170 [ 4663.834994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4663.834994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4663.834994][ T10] netlink_rcv_skb+0x130/0x360 [ 4663.834994][ T10] netlink_unicast+0x449/0x710 [ 4663.834994][ T10] netlink_sendmsg+0x723/0xbe0 [ 4663.834994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4663.834994][ T10] ___sys_sendmsg+0xee/0x170 [ 4663.834994][ T10] __sys_sendmsg+0xcd/0x170 [ 4663.834994][ T10] do_syscall_64+0xc6/0x1e0 [ 4663.834994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4663.834994][ T10] [ 4663.836679][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4663.836914][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4663.836914][ T10] netdev_get_by_index+0x5e/0x80 [ 4663.836914][ T10] fib6_nh_init+0x3d8/0x1580 [ 4663.836914][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4663.836914][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4663.836914][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4663.836914][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4663.836914][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4663.836914][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4663.836914][ T10] addrconf_dad_begin+0x310/0x670 [ 4663.836914][ T10] addrconf_dad_work+0x10b/0xab0 [ 4663.836914][ T10] process_one_work+0x84d/0x18a0 [ 4663.836914][ T10] worker_thread+0x587/0xd30 [ 4663.836914][ T10] kthread+0x28a/0x350 [ 4663.836914][ T10] ret_from_fork+0x31/0x70 [ 4663.836914][ T10] ret_from_fork_asm+0x1a/0x30 [ 4663.836914][ T10] [ 4663.838818][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4663.838818][ T10] netdev_get_by_index+0x5e/0x80 [ 4663.838818][ T10] fib6_nh_init+0x3d8/0x1580 [ 4663.838818][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4663.838818][ T10] ip6_route_add+0x1c/0x140 [ 4663.838818][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4663.838818][ T10] inet6_addr_add+0x4f8/0xa40 [ 4663.838818][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4663.838818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4663.838818][ T10] netlink_rcv_skb+0x130/0x360 [ 4663.838818][ T10] netlink_unicast+0x449/0x710 [ 4663.838818][ T10] netlink_sendmsg+0x723/0xbe0 [ 4663.838818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4663.838818][ T10] ___sys_sendmsg+0xee/0x170 [ 4663.838818][ T10] __sys_sendmsg+0xcd/0x170 [ 4663.838818][ T10] do_syscall_64+0xc6/0x1e0 [ 4663.838818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4663.838818][ T10] [ 4663.840800][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4663.840800][ T10] netdev_get_by_index+0x5e/0x80 [ 4663.840800][ T10] fib6_nh_init+0x3d8/0x1580 [ 4663.840800][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4663.840800][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4663.840800][ T10] ipv6_add_addr+0x411/0x2000 [ 4663.840800][ T10] inet6_addr_add+0x30e/0xa40 [ 4663.840800][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4663.840800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4663.840800][ T10] netlink_rcv_skb+0x130/0x360 [ 4663.840800][ T10] netlink_unicast+0x449/0x710 [ 4663.840800][ T10] netlink_sendmsg+0x723/0xbe0 [ 4663.840800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4663.840800][ T10] ___sys_sendmsg+0xee/0x170 [ 4663.840800][ T10] __sys_sendmsg+0xcd/0x170 [ 4663.840800][ T10] do_syscall_64+0xc6/0x1e0 [ 4663.840800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4663.840800][ T10] [ 4663.842819][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4663.842819][ T10] netdev_get_by_index+0x5e/0x80 [ 4663.842819][ T10] fib6_nh_init+0x3d8/0x1580 [ 4663.842819][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4663.842819][ T10] ip6_route_add+0x1c/0x140 [ 4663.842819][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4663.842819][ T10] addrconf_add_dev+0xe2/0x170 [ 4663.842819][ T10] inet6_addr_add+0x12f/0xa40 [ 4663.842819][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4663.842819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4663.842819][ T10] netlink_rcv_skb+0x130/0x360 [ 4663.842819][ T10] netlink_unicast+0x449/0x710 [ 4663.842819][ T10] netlink_sendmsg+0x723/0xbe0 [ 4663.842819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4663.842819][ T10] ___sys_sendmsg+0xee/0x170 [ 4663.842819][ T10] __sys_sendmsg+0xcd/0x170 [ 4663.842819][ T10] do_syscall_64+0xc6/0x1e0 [ 4663.842819][ T10] [ 4663.844793][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4663.844793][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4663.844793][ T10] ipv6_find_idev+0x102/0x170 [ 4663.844793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4663.844793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4663.844793][ T10] netlink_rcv_skb+0x130/0x360 [ 4663.844793][ T10] netlink_unicast+0x449/0x710 [ 4663.844793][ T10] netlink_sendmsg+0x723/0xbe0 [ 4663.844793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4663.844793][ T10] ___sys_sendmsg+0xee/0x170 [ 4663.844793][ T10] __sys_sendmsg+0xcd/0x170 [ 4663.844793][ T10] do_syscall_64+0xc6/0x1e0 [ 4663.844793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4663.844793][ T10] [ 4663.846353][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4663.846353][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4663.846353][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4663.846353][ T10] ipv6_find_idev+0x102/0x170 [ 4663.846353][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4663.846353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4663.846353][ T10] netlink_rcv_skb+0x130/0x360 [ 4663.846353][ T10] netlink_unicast+0x449/0x710 [ 4663.846353][ T10] netlink_sendmsg+0x723/0xbe0 [ 4663.846353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4663.846353][ T10] ___sys_sendmsg+0xee/0x170 [ 4663.846353][ T10] __sys_sendmsg+0xcd/0x170 [ 4663.846353][ T10] do_syscall_64+0xc6/0x1e0 [ 4663.846353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4663.846353][ T10] [ 4663.848036][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4663.848273][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4663.848273][ T10] netdev_get_by_index+0x5e/0x80 [ 4663.848273][ T10] fib6_nh_init+0x3d8/0x1580 [ 4663.848273][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4663.848273][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4663.848273][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4663.848273][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4663.848273][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4663.848273][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4663.848273][ T10] addrconf_dad_begin+0x310/0x670 [ 4663.848273][ T10] addrconf_dad_work+0x10b/0xab0 [ 4663.848273][ T10] process_one_work+0x84d/0x18a0 [ 4663.848273][ T10] worker_thread+0x587/0xd30 [ 4663.848273][ T10] kthread+0x28a/0x350 [ 4663.848273][ T10] ret_from_fork+0x31/0x70 [ 4663.848273][ T10] ret_from_fork_asm+0x1a/0x30 [ 4663.848273][ T10] [ 4663.850189][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4663.850189][ T10] netdev_get_by_index+0x5e/0x80 [ 4663.850189][ T10] fib6_nh_init+0x3d8/0x1580 [ 4663.850189][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4663.850189][ T10] ip6_route_add+0x1c/0x140 [ 4663.850189][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4663.850189][ T10] inet6_addr_add+0x4f8/0xa40 [ 4663.850189][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4663.850189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4663.850189][ T10] netlink_rcv_skb+0x130/0x360 [ 4663.850189][ T10] netlink_unicast+0x449/0x710 [ 4663.850189][ T10] netlink_sendmsg+0x723/0xbe0 [ 4663.850189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4663.850189][ T10] ___sys_sendmsg+0xee/0x170 [ 4663.850189][ T10] __sys_sendmsg+0xcd/0x170 [ 4663.850189][ T10] do_syscall_64+0xc6/0x1e0 [ 4663.850189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4663.850189][ T10] [ 4663.852381][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4663.852381][ T10] netdev_get_by_index+0x5e/0x80 [ 4663.852381][ T10] fib6_nh_init+0x3d8/0x1580 [ 4663.852381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4663.852381][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4663.852381][ T10] ipv6_add_addr+0x411/0x2000 [ 4663.852381][ T10] inet6_addr_add+0x30e/0xa40 [ 4663.852381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4663.852381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4663.852381][ T10] netlink_rcv_skb+0x130/0x360 [ 4663.852381][ T10] netlink_unicast+0x449/0x710 [ 4663.852381][ T10] netlink_sendmsg+0x723/0xbe0 [ 4663.852381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4663.852381][ T10] ___sys_sendmsg+0xee/0x170 [ 4663.852381][ T10] __sys_sendmsg+0xcd/0x170 [ 4663.852381][ T10] do_syscall_64+0xc6/0x1e0 [ 4663.852381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4663.852381][ T10] [ 4663.854570][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4663.854570][ T10] netdev_get_by_index+0x5e/0x80 [ 4663.854570][ T10] fib6_nh_init+0x3d8/0x1580 [ 4663.854570][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4663.854570][ T10] ip6_route_add+0x1c/0x140 [ 4663.854570][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4663.854570][ T10] addrconf_add_dev+0xe2/0x170 [ 4663.854570][ T10] inet6_addr_add+0x12f/0xa40 [ 4663.854570][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4663.854570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4663.854570][ T10] netlink_rcv_skb+0x130/0x360 [ 4663.854570][ T10] netlink_unicast+0x449/0x710 [ 4663.854570][ T10] netlink_sendmsg+0x723/0xbe0 [ 4663.854570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4663.854570][ T10] ___sys_sendmsg+0xee/0x170 [ 4663.854570][ T10] __sys_sendmsg+0xcd/0x170 [ 4663.854570][ T10] do_syscall_64+0xc6/0x1e0 [ 4663.854570][ T10] [ 4663.856783][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4663.856783][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4663.856783][ T10] ipv6_find_idev+0x102/0x170 [ 4663.856783][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4663.856783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4663.856783][ T10] netlink_rcv_skb+0x130/0x360 [ 4663.856783][ T10] netlink_unicast+0x449/0x710 [ 4663.856783][ T10] netlink_sendmsg+0x723/0xbe0 [ 4663.856783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4663.856783][ T10] ___sys_sendmsg+0xee/0x170 [ 4663.856783][ T10] __sys_sendmsg+0xcd/0x170 [ 4663.856783][ T10] do_syscall_64+0xc6/0x1e0 [ 4663.856783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4663.856783][ T10] [ 4663.858579][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4663.858579][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4663.858579][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4663.858579][ T10] ipv6_find_idev+0x102/0x170 [ 4663.858579][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4663.858579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4663.858579][ T10] netlink_rcv_skb+0x130/0x360 [ 4663.858579][ T10] netlink_unicast+0x449/0x710 [ 4663.858579][ T10] netlink_sendmsg+0x723/0xbe0 [ 4663.858579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4663.858579][ T10] ___sys_sendmsg+0xee/0x170 [ 4663.858579][ T10] __sys_sendmsg+0xcd/0x170 [ 4663.858579][ T10] do_syscall_64+0xc6/0x1e0 [ 4663.858579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4663.858579][ T10] [ 4663.860412][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4663.860644][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4663.860644][ T10] netdev_get_by_index+0x5e/0x80 [ 4663.860644][ T10] fib6_nh_init+0x3d8/0x1580 [ 4663.860644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4663.860644][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4663.860644][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4663.860644][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4663.860644][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4663.860644][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4663.860644][ T10] addrconf_dad_begin+0x310/0x670 [ 4663.860644][ T10] addrconf_dad_work+0x10b/0xab0 [ 4663.860644][ T10] process_one_work+0x84d/0x18a0 [ 4663.860644][ T10] worker_thread+0x587/0xd30 [ 4663.860644][ T10] kthread+0x28a/0x350 [ 4663.860644][ T10] ret_from_fork+0x31/0x70 [ 4663.860644][ T10] ret_from_fork_asm+0x1a/0x30 [ 4663.860644][ T10] [ 4663.862805][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4663.862805][ T10] netdev_get_by_index+0x5e/0x80 [ 4663.862805][ T10] fib6_nh_init+0x3d8/0x1580 [ 4663.862805][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4663.862805][ T10] ip6_route_add+0x1c/0x140 [ 4663.862805][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4663.862805][ T10] inet6_addr_add+0x4f8/0xa40 [ 4663.862805][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4663.862805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4663.862805][ T10] netlink_rcv_skb+0x130/0x360 [ 4663.862805][ T10] netlink_unicast+0x449/0x710 [ 4663.862805][ T10] netlink_sendmsg+0x723/0xbe0 [ 4663.862805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4663.862805][ T10] ___sys_sendmsg+0xee/0x170 [ 4663.862805][ T10] __sys_sendmsg+0xcd/0x170 [ 4663.862805][ T10] do_syscall_64+0xc6/0x1e0 [ 4663.862805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4663.862805][ T10] [ 4663.865053][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4663.865053][ T10] netdev_get_by_index+0x5e/0x80 [ 4663.865053][ T10] fib6_nh_init+0x3d8/0x1580 [ 4663.865053][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4663.865053][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4663.865053][ T10] ipv6_add_addr+0x411/0x2000 [ 4663.865053][ T10] inet6_addr_add+0x30e/0xa40 [ 4663.865053][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4663.865053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4663.865053][ T10] netlink_rcv_skb+0x130/0x360 [ 4663.865053][ T10] netlink_unicast+0x449/0x710 [ 4663.865053][ T10] netlink_sendmsg+0x723/0xbe0 [ 4663.865053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4663.865053][ T10] ___sys_sendmsg+0xee/0x170 [ 4663.865053][ T10] __sys_sendmsg+0xcd/0x170 [ 4663.865053][ T10] do_syscall_64+0xc6/0x1e0 [ 4663.865053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4663.865053][ T10] [ 4663.867307][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4663.867307][ T10] netdev_get_by_index+0x5e/0x80 [ 4663.867307][ T10] fib6_nh_init+0x3d8/0x1580 [ 4663.867307][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4663.867307][ T10] ip6_route_add+0x1c/0x140 [ 4663.867307][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4663.867307][ T10] addrconf_add_dev+0xe2/0x170 [ 4663.867307][ T10] inet6_addr_add+0x12f/0xa40 [ 4663.867307][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4663.867307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4663.867307][ T10] netlink_rcv_skb+0x130/0x360 [ 4663.867307][ T10] netlink_unicast+0x449/0x710 [ 4663.867307][ T10] netlink_sendmsg+0x723/0xbe0 [ 4663.867307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4663.867307][ T10] ___sys_sendmsg+0xee/0x170 [ 4663.867307][ T10] __sys_sendmsg+0xcd/0x170 [ 4663.867307][ T10] do_syscall_64+0xc6/0x1e0 [ 4663.867307][ T10] [ 4663.869511][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4663.869511][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4663.869511][ T10] ipv6_find_idev+0x102/0x170 [ 4663.869511][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4663.869511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4663.869511][ T10] netlink_rcv_skb+0x130/0x360 [ 4663.869511][ T10] netlink_unicast+0x449/0x710 [ 4663.869511][ T10] netlink_sendmsg+0x723/0xbe0 [ 4663.869511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4663.869511][ T10] ___sys_sendmsg+0xee/0x170 [ 4663.869511][ T10] __sys_sendmsg+0xcd/0x170 [ 4663.869511][ T10] do_syscall_64+0xc6/0x1e0 [ 4663.869511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4663.869511][ T10] [ 4663.871232][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4663.871232][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4663.871232][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4663.871232][ T10] ipv6_find_idev+0x102/0x170 [ 4663.871232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4663.871232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4663.871232][ T10] netlink_rcv_skb+0x130/0x360 [ 4663.871232][ T10] netlink_unicast+0x449/0x710 [ 4663.871232][ T10] netlink_sendmsg+0x723/0xbe0 [ 4663.871232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4663.871232][ T10] ___sys_sendmsg+0xee/0x170 [ 4663.871232][ T10] __sys_sendmsg+0xcd/0x170 [ 4663.871232][ T10] do_syscall_64+0xc6/0x1e0 [ 4663.871232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4663.871232][ T10] [ 4669.297102][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4669.297531][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4669.297531][ T1167] dst_init+0x84/0x4a0 [ 4669.297531][ T1167] dst_alloc+0x97/0x150 [ 4669.297531][ T1167] ip6_dst_alloc+0x23/0x90 [ 4669.297531][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4669.297531][ T1167] ip6_pol_route+0x56f/0x840 [ 4669.297531][ T1167] fib6_rule_lookup+0x334/0x630 [ 4669.297531][ T1167] ip6_route_output_flags+0x259/0x480 [ 4669.297531][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4669.297531][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4669.297531][ T1167] netlink_rcv_skb+0x130/0x360 [ 4669.297531][ T1167] netlink_unicast+0x449/0x710 [ 4669.297531][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4669.297531][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4669.297531][ T1167] ___sys_sendmsg+0xee/0x170 [ 4669.297531][ T1167] __sys_sendmsg+0xcd/0x170 [ 4669.297531][ T1167] do_syscall_64+0xc6/0x1e0 [ 4669.297531][ T1167] [ 4669.299735][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4669.299735][ T1167] netdev_get_by_index+0x5e/0x80 [ 4669.299735][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4669.299735][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4669.299735][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4669.299735][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4669.299735][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4669.299735][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4669.299735][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4669.299735][ T1167] addrconf_dad_begin+0x310/0x670 [ 4669.299735][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4669.299735][ T1167] process_one_work+0x84d/0x18a0 [ 4669.299735][ T1167] worker_thread+0x587/0xd30 [ 4669.299735][ T1167] kthread+0x28a/0x350 [ 4669.299735][ T1167] ret_from_fork+0x31/0x70 [ 4669.299735][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4669.299735][ T1167] [ 4669.301884][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4669.301884][ T1167] netdev_get_by_index+0x5e/0x80 [ 4669.301884][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4669.301884][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4669.301884][ T1167] ip6_route_add+0x1c/0x140 [ 4669.301884][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4669.301884][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4669.301884][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4669.301884][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4669.301884][ T1167] netlink_rcv_skb+0x130/0x360 [ 4669.301884][ T1167] netlink_unicast+0x449/0x710 [ 4669.301884][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4669.301884][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4669.301884][ T1167] ___sys_sendmsg+0xee/0x170 [ 4669.301884][ T1167] __sys_sendmsg+0xcd/0x170 [ 4669.301884][ T1167] do_syscall_64+0xc6/0x1e0 [ 4669.301884][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4669.301884][ T1167] [ 4669.304128][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4669.304128][ T1167] netdev_get_by_index+0x5e/0x80 [ 4669.304128][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4669.304128][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4669.304128][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4669.304128][ T1167] ipv6_add_addr+0x411/0x2000 [ 4669.304128][ T1167] inet6_addr_add+0x30e/0xa40 [ 4669.304128][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4669.304128][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4669.304128][ T1167] netlink_rcv_skb+0x130/0x360 [ 4669.304128][ T1167] netlink_unicast+0x449/0x710 [ 4669.304128][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4669.304128][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4669.304128][ T1167] ___sys_sendmsg+0xee/0x170 [ 4669.304128][ T1167] __sys_sendmsg+0xcd/0x170 [ 4669.304128][ T1167] do_syscall_64+0xc6/0x1e0 [ 4669.304128][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4669.304128][ T1167] [ 4669.306388][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4669.306388][ T1167] netdev_get_by_index+0x5e/0x80 [ 4669.306388][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4669.306388][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4669.306388][ T1167] ip6_route_add+0x1c/0x140 [ 4669.306388][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4669.306388][ T1167] addrconf_add_dev+0xe2/0x170 [ 4669.306388][ T1167] inet6_addr_add+0x12f/0xa40 [ 4669.306388][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4669.306388][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4669.306388][ T1167] netlink_rcv_skb+0x130/0x360 [ 4669.306388][ T1167] netlink_unicast+0x449/0x710 [ 4669.306388][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4669.306388][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4669.306388][ T1167] ___sys_sendmsg+0xee/0x170 [ 4669.306388][ T1167] __sys_sendmsg+0xcd/0x170 [ 4669.306388][ T1167] do_syscall_64+0xc6/0x1e0 [ 4669.306388][ T1167] [ 4669.308587][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4669.308587][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4669.308587][ T1167] ipv6_find_idev+0x102/0x170 [ 4669.308587][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4669.308587][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4669.308587][ T1167] netlink_rcv_skb+0x130/0x360 [ 4669.308587][ T1167] netlink_unicast+0x449/0x710 [ 4669.308587][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4669.308587][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4669.308587][ T1167] ___sys_sendmsg+0xee/0x170 [ 4669.308587][ T1167] __sys_sendmsg+0xcd/0x170 [ 4669.308587][ T1167] do_syscall_64+0xc6/0x1e0 [ 4669.308587][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4669.308587][ T1167] [ 4669.310312][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4669.310312][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4669.310312][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4669.310312][ T1167] ipv6_find_idev+0x102/0x170 [ 4669.310312][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4669.310312][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4669.310312][ T1167] netlink_rcv_skb+0x130/0x360 [ 4669.310312][ T1167] netlink_unicast+0x449/0x710 [ 4669.310312][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4669.310312][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4669.310312][ T1167] ___sys_sendmsg+0xee/0x170 [ 4669.310312][ T1167] __sys_sendmsg+0xcd/0x170 [ 4669.310312][ T1167] do_syscall_64+0xc6/0x1e0 [ 4669.310312][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4669.310312][ T1167] [ 4674.113102][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4674.113523][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4674.113523][ T10] netdev_get_by_index+0x5e/0x80 [ 4674.113523][ T10] fib6_nh_init+0x3d8/0x1580 [ 4674.113523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4674.113523][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4674.113523][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4674.113523][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4674.113523][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4674.113523][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4674.113523][ T10] addrconf_dad_begin+0x310/0x670 [ 4674.113523][ T10] addrconf_dad_work+0x10b/0xab0 [ 4674.113523][ T10] process_one_work+0x84d/0x18a0 [ 4674.113523][ T10] worker_thread+0x587/0xd30 [ 4674.113523][ T10] kthread+0x28a/0x350 [ 4674.113523][ T10] ret_from_fork+0x31/0x70 [ 4674.113523][ T10] ret_from_fork_asm+0x1a/0x30 [ 4674.113523][ T10] [ 4674.115491][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4674.115491][ T10] netdev_get_by_index+0x5e/0x80 [ 4674.115491][ T10] fib6_nh_init+0x3d8/0x1580 [ 4674.115491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4674.115491][ T10] ip6_route_add+0x1c/0x140 [ 4674.115491][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4674.115491][ T10] inet6_addr_add+0x4f8/0xa40 [ 4674.115491][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4674.115491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4674.115491][ T10] netlink_rcv_skb+0x130/0x360 [ 4674.115491][ T10] netlink_unicast+0x449/0x710 [ 4674.115491][ T10] netlink_sendmsg+0x723/0xbe0 [ 4674.115491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4674.115491][ T10] ___sys_sendmsg+0xee/0x170 [ 4674.115491][ T10] __sys_sendmsg+0xcd/0x170 [ 4674.115491][ T10] do_syscall_64+0xc6/0x1e0 [ 4674.115491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4674.115491][ T10] [ 4674.117522][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4674.117522][ T10] netdev_get_by_index+0x5e/0x80 [ 4674.117522][ T10] fib6_nh_init+0x3d8/0x1580 [ 4674.117522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4674.117522][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4674.117522][ T10] ipv6_add_addr+0x411/0x2000 [ 4674.117522][ T10] inet6_addr_add+0x30e/0xa40 [ 4674.117522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4674.117522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4674.117522][ T10] netlink_rcv_skb+0x130/0x360 [ 4674.117522][ T10] netlink_unicast+0x449/0x710 [ 4674.117522][ T10] netlink_sendmsg+0x723/0xbe0 [ 4674.117522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4674.117522][ T10] ___sys_sendmsg+0xee/0x170 [ 4674.117522][ T10] __sys_sendmsg+0xcd/0x170 [ 4674.117522][ T10] do_syscall_64+0xc6/0x1e0 [ 4674.117522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4674.117522][ T10] [ 4674.119669][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4674.119669][ T10] netdev_get_by_index+0x5e/0x80 [ 4674.119669][ T10] fib6_nh_init+0x3d8/0x1580 [ 4674.119669][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4674.119669][ T10] ip6_route_add+0x1c/0x140 [ 4674.119669][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4674.119669][ T10] addrconf_add_dev+0xe2/0x170 [ 4674.119669][ T10] inet6_addr_add+0x12f/0xa40 [ 4674.119669][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4674.119669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4674.119669][ T10] netlink_rcv_skb+0x130/0x360 [ 4674.119669][ T10] netlink_unicast+0x449/0x710 [ 4674.119669][ T10] netlink_sendmsg+0x723/0xbe0 [ 4674.119669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4674.119669][ T10] ___sys_sendmsg+0xee/0x170 [ 4674.119669][ T10] __sys_sendmsg+0xcd/0x170 [ 4674.119669][ T10] do_syscall_64+0xc6/0x1e0 [ 4674.119669][ T10] [ 4674.121645][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4674.121645][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4674.121645][ T10] ipv6_find_idev+0x102/0x170 [ 4674.121645][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4674.121645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4674.121645][ T10] netlink_rcv_skb+0x130/0x360 [ 4674.121645][ T10] netlink_unicast+0x449/0x710 [ 4674.121645][ T10] netlink_sendmsg+0x723/0xbe0 [ 4674.121645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4674.121645][ T10] ___sys_sendmsg+0xee/0x170 [ 4674.121645][ T10] __sys_sendmsg+0xcd/0x170 [ 4674.121645][ T10] do_syscall_64+0xc6/0x1e0 [ 4674.121645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4674.121645][ T10] [ 4674.123210][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4674.123210][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4674.123210][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4674.123210][ T10] ipv6_find_idev+0x102/0x170 [ 4674.123210][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4674.123210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4674.123210][ T10] netlink_rcv_skb+0x130/0x360 [ 4674.123210][ T10] netlink_unicast+0x449/0x710 [ 4674.123210][ T10] netlink_sendmsg+0x723/0xbe0 [ 4674.123210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4674.123210][ T10] ___sys_sendmsg+0xee/0x170 [ 4674.123210][ T10] __sys_sendmsg+0xcd/0x170 [ 4674.123210][ T10] do_syscall_64+0xc6/0x1e0 [ 4674.123210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4674.123210][ T10] [ 4674.124929][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4674.125218][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4674.125218][ T10] netdev_get_by_index+0x5e/0x80 [ 4674.125218][ T10] fib6_nh_init+0x3d8/0x1580 [ 4674.125218][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4674.125218][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4674.125218][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4674.125218][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4674.125218][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4674.125218][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4674.125218][ T10] addrconf_dad_begin+0x310/0x670 [ 4674.125218][ T10] addrconf_dad_work+0x10b/0xab0 [ 4674.125218][ T10] process_one_work+0x84d/0x18a0 [ 4674.125218][ T10] worker_thread+0x587/0xd30 [ 4674.125218][ T10] kthread+0x28a/0x350 [ 4674.125218][ T10] ret_from_fork+0x31/0x70 [ 4674.125218][ T10] ret_from_fork_asm+0x1a/0x30 [ 4674.125218][ T10] [ 4674.127150][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4674.127150][ T10] netdev_get_by_index+0x5e/0x80 [ 4674.127150][ T10] fib6_nh_init+0x3d8/0x1580 [ 4674.127150][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4674.127150][ T10] ip6_route_add+0x1c/0x140 [ 4674.127150][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4674.127150][ T10] inet6_addr_add+0x4f8/0xa40 [ 4674.127150][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4674.127150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4674.127150][ T10] netlink_rcv_skb+0x130/0x360 [ 4674.127150][ T10] netlink_unicast+0x449/0x710 [ 4674.127150][ T10] netlink_sendmsg+0x723/0xbe0 [ 4674.127150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4674.127150][ T10] ___sys_sendmsg+0xee/0x170 [ 4674.127150][ T10] __sys_sendmsg+0xcd/0x170 [ 4674.127150][ T10] do_syscall_64+0xc6/0x1e0 [ 4674.127150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4674.127150][ T10] [ 4674.129174][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4674.129174][ T10] netdev_get_by_index+0x5e/0x80 [ 4674.129174][ T10] fib6_nh_init+0x3d8/0x1580 [ 4674.129174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4674.129174][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4674.129174][ T10] ipv6_add_addr+0x411/0x2000 [ 4674.129174][ T10] inet6_addr_add+0x30e/0xa40 [ 4674.129174][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4674.129174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4674.129174][ T10] netlink_rcv_skb+0x130/0x360 [ 4674.129174][ T10] netlink_unicast+0x449/0x710 [ 4674.129174][ T10] netlink_sendmsg+0x723/0xbe0 [ 4674.129174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4674.129174][ T10] ___sys_sendmsg+0xee/0x170 [ 4674.129174][ T10] __sys_sendmsg+0xcd/0x170 [ 4674.129174][ T10] do_syscall_64+0xc6/0x1e0 [ 4674.129174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4674.129174][ T10] [ 4674.131183][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4674.131183][ T10] netdev_get_by_index+0x5e/0x80 [ 4674.131183][ T10] fib6_nh_init+0x3d8/0x1580 [ 4674.131183][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4674.131183][ T10] ip6_route_add+0x1c/0x140 [ 4674.131183][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4674.131183][ T10] addrconf_add_dev+0xe2/0x170 [ 4674.131183][ T10] inet6_addr_add+0x12f/0xa40 [ 4674.131183][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4674.131183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4674.131183][ T10] netlink_rcv_skb+0x130/0x360 [ 4674.131183][ T10] netlink_unicast+0x449/0x710 [ 4674.131183][ T10] netlink_sendmsg+0x723/0xbe0 [ 4674.131183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4674.131183][ T10] ___sys_sendmsg+0xee/0x170 [ 4674.131183][ T10] __sys_sendmsg+0xcd/0x170 [ 4674.131183][ T10] do_syscall_64+0xc6/0x1e0 [ 4674.131183][ T10] [ 4674.133170][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4674.133170][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4674.133170][ T10] ipv6_find_idev+0x102/0x170 [ 4674.133170][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4674.133170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4674.133170][ T10] netlink_rcv_skb+0x130/0x360 [ 4674.133170][ T10] netlink_unicast+0x449/0x710 [ 4674.133170][ T10] netlink_sendmsg+0x723/0xbe0 [ 4674.133170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4674.133170][ T10] ___sys_sendmsg+0xee/0x170 [ 4674.133170][ T10] __sys_sendmsg+0xcd/0x170 [ 4674.133170][ T10] do_syscall_64+0xc6/0x1e0 [ 4674.133170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4674.133170][ T10] [ 4674.134722][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4674.134722][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4674.134722][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4674.134722][ T10] ipv6_find_idev+0x102/0x170 [ 4674.134722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4674.134722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4674.134722][ T10] netlink_rcv_skb+0x130/0x360 [ 4674.134722][ T10] netlink_unicast+0x449/0x710 [ 4674.134722][ T10] netlink_sendmsg+0x723/0xbe0 [ 4674.134722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4674.134722][ T10] ___sys_sendmsg+0xee/0x170 [ 4674.134722][ T10] __sys_sendmsg+0xcd/0x170 [ 4674.134722][ T10] do_syscall_64+0xc6/0x1e0 [ 4674.134722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4674.134722][ T10] [ 4674.136439][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4674.136679][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4674.136679][ T10] netdev_get_by_index+0x5e/0x80 [ 4674.136679][ T10] fib6_nh_init+0x3d8/0x1580 [ 4674.136679][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4674.136679][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4674.136679][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4674.136679][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4674.136679][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4674.136679][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4674.136679][ T10] addrconf_dad_begin+0x310/0x670 [ 4674.136679][ T10] addrconf_dad_work+0x10b/0xab0 [ 4674.136679][ T10] process_one_work+0x84d/0x18a0 [ 4674.136679][ T10] worker_thread+0x587/0xd30 [ 4674.136679][ T10] kthread+0x28a/0x350 [ 4674.136679][ T10] ret_from_fork+0x31/0x70 [ 4674.136679][ T10] ret_from_fork_asm+0x1a/0x30 [ 4674.136679][ T10] [ 4674.138731][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4674.138731][ T10] netdev_get_by_index+0x5e/0x80 [ 4674.138731][ T10] fib6_nh_init+0x3d8/0x1580 [ 4674.138731][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4674.138731][ T10] ip6_route_add+0x1c/0x140 [ 4674.138731][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4674.138731][ T10] inet6_addr_add+0x4f8/0xa40 [ 4674.138731][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4674.138731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4674.138731][ T10] netlink_rcv_skb+0x130/0x360 [ 4674.138731][ T10] netlink_unicast+0x449/0x710 [ 4674.138731][ T10] netlink_sendmsg+0x723/0xbe0 [ 4674.138731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4674.138731][ T10] ___sys_sendmsg+0xee/0x170 [ 4674.138731][ T10] __sys_sendmsg+0xcd/0x170 [ 4674.138731][ T10] do_syscall_64+0xc6/0x1e0 [ 4674.138731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4674.138731][ T10] [ 4674.140938][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4674.140938][ T10] netdev_get_by_index+0x5e/0x80 [ 4674.140938][ T10] fib6_nh_init+0x3d8/0x1580 [ 4674.140938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4674.140938][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4674.140938][ T10] ipv6_add_addr+0x411/0x2000 [ 4674.140938][ T10] inet6_addr_add+0x30e/0xa40 [ 4674.140938][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4674.140938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4674.140938][ T10] netlink_rcv_skb+0x130/0x360 [ 4674.140938][ T10] netlink_unicast+0x449/0x710 [ 4674.140938][ T10] netlink_sendmsg+0x723/0xbe0 [ 4674.140938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4674.140938][ T10] ___sys_sendmsg+0xee/0x170 [ 4674.140938][ T10] __sys_sendmsg+0xcd/0x170 [ 4674.140938][ T10] do_syscall_64+0xc6/0x1e0 [ 4674.140938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4674.140938][ T10] [ 4674.143209][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4674.143209][ T10] netdev_get_by_index+0x5e/0x80 [ 4674.143209][ T10] fib6_nh_init+0x3d8/0x1580 [ 4674.143209][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4674.143209][ T10] ip6_route_add+0x1c/0x140 [ 4674.143209][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4674.143209][ T10] addrconf_add_dev+0xe2/0x170 [ 4674.143209][ T10] inet6_addr_add+0x12f/0xa40 [ 4674.143209][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4674.143209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4674.143209][ T10] netlink_rcv_skb+0x130/0x360 [ 4674.143209][ T10] netlink_unicast+0x449/0x710 [ 4674.143209][ T10] netlink_sendmsg+0x723/0xbe0 [ 4674.143209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4674.143209][ T10] ___sys_sendmsg+0xee/0x170 [ 4674.143209][ T10] __sys_sendmsg+0xcd/0x170 [ 4674.143209][ T10] do_syscall_64+0xc6/0x1e0 [ 4674.143209][ T10] [ 4674.145502][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4674.145502][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4674.145502][ T10] ipv6_find_idev+0x102/0x170 [ 4674.145502][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4674.145502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4674.145502][ T10] netlink_rcv_skb+0x130/0x360 [ 4674.145502][ T10] netlink_unicast+0x449/0x710 [ 4674.145502][ T10] netlink_sendmsg+0x723/0xbe0 [ 4674.145502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4674.145502][ T10] ___sys_sendmsg+0xee/0x170 [ 4674.145502][ T10] __sys_sendmsg+0xcd/0x170 [ 4674.145502][ T10] do_syscall_64+0xc6/0x1e0 [ 4674.145502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4674.145502][ T10] [ 4674.147255][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4674.147255][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4674.147255][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4674.147255][ T10] ipv6_find_idev+0x102/0x170 [ 4674.147255][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4674.147255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4674.147255][ T10] netlink_rcv_skb+0x130/0x360 [ 4674.147255][ T10] netlink_unicast+0x449/0x710 [ 4674.147255][ T10] netlink_sendmsg+0x723/0xbe0 [ 4674.147255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4674.147255][ T10] ___sys_sendmsg+0xee/0x170 [ 4674.147255][ T10] __sys_sendmsg+0xcd/0x170 [ 4674.147255][ T10] do_syscall_64+0xc6/0x1e0 [ 4674.147255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4674.147255][ T10] [ 4674.149138][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4674.149391][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4674.149391][ T10] netdev_get_by_index+0x5e/0x80 [ 4674.149391][ T10] fib6_nh_init+0x3d8/0x1580 [ 4674.149391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4674.149391][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4674.149391][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4674.149391][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4674.149391][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4674.149391][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4674.149391][ T10] addrconf_dad_begin+0x310/0x670 [ 4674.149391][ T10] addrconf_dad_work+0x10b/0xab0 [ 4674.149391][ T10] process_one_work+0x84d/0x18a0 [ 4674.149391][ T10] worker_thread+0x587/0xd30 [ 4674.149391][ T10] kthread+0x28a/0x350 [ 4674.149391][ T10] ret_from_fork+0x31/0x70 [ 4674.149391][ T10] ret_from_fork_asm+0x1a/0x30 [ 4674.149391][ T10] [ 4674.151563][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4674.151563][ T10] netdev_get_by_index+0x5e/0x80 [ 4674.151563][ T10] fib6_nh_init+0x3d8/0x1580 [ 4674.151563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4674.151563][ T10] ip6_route_add+0x1c/0x140 [ 4674.151563][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4674.151563][ T10] inet6_addr_add+0x4f8/0xa40 [ 4674.151563][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4674.151563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4674.151563][ T10] netlink_rcv_skb+0x130/0x360 [ 4674.151563][ T10] netlink_unicast+0x449/0x710 [ 4674.151563][ T10] netlink_sendmsg+0x723/0xbe0 [ 4674.151563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4674.151563][ T10] ___sys_sendmsg+0xee/0x170 [ 4674.151563][ T10] __sys_sendmsg+0xcd/0x170 [ 4674.151563][ T10] do_syscall_64+0xc6/0x1e0 [ 4674.151563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4674.151563][ T10] [ 4674.153887][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4674.153887][ T10] netdev_get_by_index+0x5e/0x80 [ 4674.153887][ T10] fib6_nh_init+0x3d8/0x1580 [ 4674.153887][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4674.153887][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4674.153887][ T10] ipv6_add_addr+0x411/0x2000 [ 4674.153887][ T10] inet6_addr_add+0x30e/0xa40 [ 4674.153887][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4674.153887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4674.153887][ T10] netlink_rcv_skb+0x130/0x360 [ 4674.153887][ T10] netlink_unicast+0x449/0x710 [ 4674.153887][ T10] netlink_sendmsg+0x723/0xbe0 [ 4674.153887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4674.153887][ T10] ___sys_sendmsg+0xee/0x170 [ 4674.153887][ T10] __sys_sendmsg+0xcd/0x170 [ 4674.153887][ T10] do_syscall_64+0xc6/0x1e0 [ 4674.153887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4674.153887][ T10] [ 4674.156097][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4674.156097][ T10] netdev_get_by_index+0x5e/0x80 [ 4674.156097][ T10] fib6_nh_init+0x3d8/0x1580 [ 4674.156097][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4674.156097][ T10] ip6_route_add+0x1c/0x140 [ 4674.156097][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4674.156097][ T10] addrconf_add_dev+0xe2/0x170 [ 4674.156097][ T10] inet6_addr_add+0x12f/0xa40 [ 4674.156097][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4674.156097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4674.156097][ T10] netlink_rcv_skb+0x130/0x360 [ 4674.156097][ T10] netlink_unicast+0x449/0x710 [ 4674.156097][ T10] netlink_sendmsg+0x723/0xbe0 [ 4674.156097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4674.156097][ T10] ___sys_sendmsg+0xee/0x170 [ 4674.156097][ T10] __sys_sendmsg+0xcd/0x170 [ 4674.156097][ T10] do_syscall_64+0xc6/0x1e0 [ 4674.156097][ T10] [ 4674.158314][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4674.158314][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4674.158314][ T10] ipv6_find_idev+0x102/0x170 [ 4674.158314][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4674.158314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4674.158314][ T10] netlink_rcv_skb+0x130/0x360 [ 4674.158314][ T10] netlink_unicast+0x449/0x710 [ 4674.158314][ T10] netlink_sendmsg+0x723/0xbe0 [ 4674.158314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4674.158314][ T10] ___sys_sendmsg+0xee/0x170 [ 4674.158314][ T10] __sys_sendmsg+0xcd/0x170 [ 4674.158314][ T10] do_syscall_64+0xc6/0x1e0 [ 4674.158314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4674.158314][ T10] [ 4674.160051][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4674.160051][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4674.160051][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4674.160051][ T10] ipv6_find_idev+0x102/0x170 [ 4674.160051][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4674.160051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4674.160051][ T10] netlink_rcv_skb+0x130/0x360 [ 4674.160051][ T10] netlink_unicast+0x449/0x710 [ 4674.160051][ T10] netlink_sendmsg+0x723/0xbe0 [ 4674.160051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4674.160051][ T10] ___sys_sendmsg+0xee/0x170 [ 4674.160051][ T10] __sys_sendmsg+0xcd/0x170 [ 4674.160051][ T10] do_syscall_64+0xc6/0x1e0 [ 4674.160051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4674.160051][ T10] [ 4679.553104][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4679.553535][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4679.553535][ T1167] dst_init+0x84/0x4a0 [ 4679.553535][ T1167] dst_alloc+0x97/0x150 [ 4679.553535][ T1167] ip6_dst_alloc+0x23/0x90 [ 4679.553535][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4679.553535][ T1167] ip6_pol_route+0x56f/0x840 [ 4679.553535][ T1167] fib6_rule_lookup+0x334/0x630 [ 4679.553535][ T1167] ip6_route_output_flags+0x259/0x480 [ 4679.553535][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4679.553535][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4679.553535][ T1167] netlink_rcv_skb+0x130/0x360 [ 4679.553535][ T1167] netlink_unicast+0x449/0x710 [ 4679.553535][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4679.553535][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4679.553535][ T1167] ___sys_sendmsg+0xee/0x170 [ 4679.553535][ T1167] __sys_sendmsg+0xcd/0x170 [ 4679.553535][ T1167] do_syscall_64+0xc6/0x1e0 [ 4679.553535][ T1167] [ 4679.556451][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4679.556451][ T1167] netdev_get_by_index+0x5e/0x80 [ 4679.556451][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4679.556451][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4679.556451][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4679.556451][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4679.556451][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4679.556451][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4679.556451][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4679.556451][ T1167] addrconf_dad_begin+0x310/0x670 [ 4679.556451][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4679.556451][ T1167] process_one_work+0x84d/0x18a0 [ 4679.556451][ T1167] worker_thread+0x587/0xd30 [ 4679.556451][ T1167] kthread+0x28a/0x350 [ 4679.556451][ T1167] ret_from_fork+0x31/0x70 [ 4679.556451][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4679.556451][ T1167] [ 4679.558784][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4679.558784][ T1167] netdev_get_by_index+0x5e/0x80 [ 4679.558784][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4679.558784][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4679.558784][ T1167] ip6_route_add+0x1c/0x140 [ 4679.558784][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4679.558784][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4679.558784][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4679.558784][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4679.558784][ T1167] netlink_rcv_skb+0x130/0x360 [ 4679.558784][ T1167] netlink_unicast+0x449/0x710 [ 4679.558784][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4679.558784][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4679.558784][ T1167] ___sys_sendmsg+0xee/0x170 [ 4679.558784][ T1167] __sys_sendmsg+0xcd/0x170 [ 4679.558784][ T1167] do_syscall_64+0xc6/0x1e0 [ 4679.558784][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4679.558784][ T1167] [ 4679.561216][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4679.561216][ T1167] netdev_get_by_index+0x5e/0x80 [ 4679.561216][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4679.561216][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4679.561216][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4679.561216][ T1167] ipv6_add_addr+0x411/0x2000 [ 4679.561216][ T1167] inet6_addr_add+0x30e/0xa40 [ 4679.561216][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4679.561216][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4679.561216][ T1167] netlink_rcv_skb+0x130/0x360 [ 4679.561216][ T1167] netlink_unicast+0x449/0x710 [ 4679.561216][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4679.561216][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4679.561216][ T1167] ___sys_sendmsg+0xee/0x170 [ 4679.561216][ T1167] __sys_sendmsg+0xcd/0x170 [ 4679.561216][ T1167] do_syscall_64+0xc6/0x1e0 [ 4679.561216][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4679.561216][ T1167] [ 4679.563648][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4679.563648][ T1167] netdev_get_by_index+0x5e/0x80 [ 4679.563648][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4679.563648][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4679.563648][ T1167] ip6_route_add+0x1c/0x140 [ 4679.563648][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4679.563648][ T1167] addrconf_add_dev+0xe2/0x170 [ 4679.563648][ T1167] inet6_addr_add+0x12f/0xa40 [ 4679.563648][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4679.563648][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4679.563648][ T1167] netlink_rcv_skb+0x130/0x360 [ 4679.563648][ T1167] netlink_unicast+0x449/0x710 [ 4679.563648][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4679.563648][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4679.563648][ T1167] ___sys_sendmsg+0xee/0x170 [ 4679.563648][ T1167] __sys_sendmsg+0xcd/0x170 [ 4679.563648][ T1167] do_syscall_64+0xc6/0x1e0 [ 4679.563648][ T1167] [ 4679.566052][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4679.566052][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4679.566052][ T1167] ipv6_find_idev+0x102/0x170 [ 4679.566052][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4679.566052][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4679.566052][ T1167] netlink_rcv_skb+0x130/0x360 [ 4679.566052][ T1167] netlink_unicast+0x449/0x710 [ 4679.566052][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4679.566052][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4679.566052][ T1167] ___sys_sendmsg+0xee/0x170 [ 4679.566052][ T1167] __sys_sendmsg+0xcd/0x170 [ 4679.566052][ T1167] do_syscall_64+0xc6/0x1e0 [ 4679.566052][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4679.566052][ T1167] [ 4679.567922][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4679.567922][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4679.567922][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4679.567922][ T1167] ipv6_find_idev+0x102/0x170 [ 4679.567922][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4679.567922][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4679.567922][ T1167] netlink_rcv_skb+0x130/0x360 [ 4679.567922][ T1167] netlink_unicast+0x449/0x710 [ 4679.567922][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4679.567922][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4679.567922][ T1167] ___sys_sendmsg+0xee/0x170 [ 4679.567922][ T1167] __sys_sendmsg+0xcd/0x170 [ 4679.567922][ T1167] do_syscall_64+0xc6/0x1e0 [ 4679.567922][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4679.567922][ T1167] [ 4684.401111][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4684.401527][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4684.401527][ T10] netdev_get_by_index+0x5e/0x80 [ 4684.401527][ T10] fib6_nh_init+0x3d8/0x1580 [ 4684.401527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4684.401527][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4684.401527][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4684.401527][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4684.401527][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4684.401527][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4684.401527][ T10] addrconf_dad_begin+0x310/0x670 [ 4684.401527][ T10] addrconf_dad_work+0x10b/0xab0 [ 4684.401527][ T10] process_one_work+0x84d/0x18a0 [ 4684.401527][ T10] worker_thread+0x587/0xd30 [ 4684.401527][ T10] kthread+0x28a/0x350 [ 4684.401527][ T10] ret_from_fork+0x31/0x70 [ 4684.401527][ T10] ret_from_fork_asm+0x1a/0x30 [ 4684.401527][ T10] [ 4684.403913][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4684.403913][ T10] netdev_get_by_index+0x5e/0x80 [ 4684.403913][ T10] fib6_nh_init+0x3d8/0x1580 [ 4684.403913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4684.403913][ T10] ip6_route_add+0x1c/0x140 [ 4684.403913][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4684.403913][ T10] inet6_addr_add+0x4f8/0xa40 [ 4684.403913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4684.403913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4684.403913][ T10] netlink_rcv_skb+0x130/0x360 [ 4684.403913][ T10] netlink_unicast+0x449/0x710 [ 4684.403913][ T10] netlink_sendmsg+0x723/0xbe0 [ 4684.403913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4684.403913][ T10] ___sys_sendmsg+0xee/0x170 [ 4684.403913][ T10] __sys_sendmsg+0xcd/0x170 [ 4684.403913][ T10] do_syscall_64+0xc6/0x1e0 [ 4684.403913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4684.403913][ T10] [ 4684.406391][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4684.406391][ T10] netdev_get_by_index+0x5e/0x80 [ 4684.406391][ T10] fib6_nh_init+0x3d8/0x1580 [ 4684.406391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4684.406391][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4684.406391][ T10] ipv6_add_addr+0x411/0x2000 [ 4684.406391][ T10] inet6_addr_add+0x30e/0xa40 [ 4684.406391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4684.406391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4684.406391][ T10] netlink_rcv_skb+0x130/0x360 [ 4684.406391][ T10] netlink_unicast+0x449/0x710 [ 4684.406391][ T10] netlink_sendmsg+0x723/0xbe0 [ 4684.406391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4684.406391][ T10] ___sys_sendmsg+0xee/0x170 [ 4684.406391][ T10] __sys_sendmsg+0xcd/0x170 [ 4684.406391][ T10] do_syscall_64+0xc6/0x1e0 [ 4684.406391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4684.406391][ T10] [ 4684.408886][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4684.408886][ T10] netdev_get_by_index+0x5e/0x80 [ 4684.408886][ T10] fib6_nh_init+0x3d8/0x1580 [ 4684.408886][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4684.408886][ T10] ip6_route_add+0x1c/0x140 [ 4684.408886][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4684.408886][ T10] addrconf_add_dev+0xe2/0x170 [ 4684.408886][ T10] inet6_addr_add+0x12f/0xa40 [ 4684.408886][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4684.408886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4684.408886][ T10] netlink_rcv_skb+0x130/0x360 [ 4684.408886][ T10] netlink_unicast+0x449/0x710 [ 4684.408886][ T10] netlink_sendmsg+0x723/0xbe0 [ 4684.408886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4684.408886][ T10] ___sys_sendmsg+0xee/0x170 [ 4684.408886][ T10] __sys_sendmsg+0xcd/0x170 [ 4684.408886][ T10] do_syscall_64+0xc6/0x1e0 [ 4684.408886][ T10] [ 4684.411302][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4684.411302][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4684.411302][ T10] ipv6_find_idev+0x102/0x170 [ 4684.411302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4684.411302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4684.411302][ T10] netlink_rcv_skb+0x130/0x360 [ 4684.411302][ T10] netlink_unicast+0x449/0x710 [ 4684.411302][ T10] netlink_sendmsg+0x723/0xbe0 [ 4684.411302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4684.411302][ T10] ___sys_sendmsg+0xee/0x170 [ 4684.411302][ T10] __sys_sendmsg+0xcd/0x170 [ 4684.411302][ T10] do_syscall_64+0xc6/0x1e0 [ 4684.411302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4684.411302][ T10] [ 4684.413173][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4684.413173][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4684.413173][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4684.413173][ T10] ipv6_find_idev+0x102/0x170 [ 4684.413173][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4684.413173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4684.413173][ T10] netlink_rcv_skb+0x130/0x360 [ 4684.413173][ T10] netlink_unicast+0x449/0x710 [ 4684.413173][ T10] netlink_sendmsg+0x723/0xbe0 [ 4684.413173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4684.413173][ T10] ___sys_sendmsg+0xee/0x170 [ 4684.413173][ T10] __sys_sendmsg+0xcd/0x170 [ 4684.413173][ T10] do_syscall_64+0xc6/0x1e0 [ 4684.413173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4684.413173][ T10] [ 4684.415267][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4684.415597][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4684.415597][ T10] netdev_get_by_index+0x5e/0x80 [ 4684.415597][ T10] fib6_nh_init+0x3d8/0x1580 [ 4684.415597][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4684.415597][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4684.415597][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4684.415597][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4684.415597][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4684.415597][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4684.415597][ T10] addrconf_dad_begin+0x310/0x670 [ 4684.415597][ T10] addrconf_dad_work+0x10b/0xab0 [ 4684.415597][ T10] process_one_work+0x84d/0x18a0 [ 4684.415597][ T10] worker_thread+0x587/0xd30 [ 4684.415597][ T10] kthread+0x28a/0x350 [ 4684.415597][ T10] ret_from_fork+0x31/0x70 [ 4684.415597][ T10] ret_from_fork_asm+0x1a/0x30 [ 4684.415597][ T10] [ 4684.417938][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4684.417938][ T10] netdev_get_by_index+0x5e/0x80 [ 4684.417938][ T10] fib6_nh_init+0x3d8/0x1580 [ 4684.417938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4684.417938][ T10] ip6_route_add+0x1c/0x140 [ 4684.417938][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4684.417938][ T10] inet6_addr_add+0x4f8/0xa40 [ 4684.417938][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4684.417938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4684.417938][ T10] netlink_rcv_skb+0x130/0x360 [ 4684.417938][ T10] netlink_unicast+0x449/0x710 [ 4684.417938][ T10] netlink_sendmsg+0x723/0xbe0 [ 4684.417938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4684.417938][ T10] ___sys_sendmsg+0xee/0x170 [ 4684.417938][ T10] __sys_sendmsg+0xcd/0x170 [ 4684.417938][ T10] do_syscall_64+0xc6/0x1e0 [ 4684.417938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4684.417938][ T10] [ 4684.420395][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4684.420395][ T10] netdev_get_by_index+0x5e/0x80 [ 4684.420395][ T10] fib6_nh_init+0x3d8/0x1580 [ 4684.420395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4684.420395][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4684.420395][ T10] ipv6_add_addr+0x411/0x2000 [ 4684.420395][ T10] inet6_addr_add+0x30e/0xa40 [ 4684.420395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4684.420395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4684.420395][ T10] netlink_rcv_skb+0x130/0x360 [ 4684.420395][ T10] netlink_unicast+0x449/0x710 [ 4684.420395][ T10] netlink_sendmsg+0x723/0xbe0 [ 4684.420395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4684.420395][ T10] ___sys_sendmsg+0xee/0x170 [ 4684.420395][ T10] __sys_sendmsg+0xcd/0x170 [ 4684.420395][ T10] do_syscall_64+0xc6/0x1e0 [ 4684.420395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4684.420395][ T10] [ 4684.422825][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4684.422825][ T10] netdev_get_by_index+0x5e/0x80 [ 4684.422825][ T10] fib6_nh_init+0x3d8/0x1580 [ 4684.422825][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4684.422825][ T10] ip6_route_add+0x1c/0x140 [ 4684.422825][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4684.422825][ T10] addrconf_add_dev+0xe2/0x170 [ 4684.422825][ T10] inet6_addr_add+0x12f/0xa40 [ 4684.422825][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4684.422825][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4684.422825][ T10] netlink_rcv_skb+0x130/0x360 [ 4684.422825][ T10] netlink_unicast+0x449/0x710 [ 4684.422825][ T10] netlink_sendmsg+0x723/0xbe0 [ 4684.422825][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4684.422825][ T10] ___sys_sendmsg+0xee/0x170 [ 4684.422825][ T10] __sys_sendmsg+0xcd/0x170 [ 4684.422825][ T10] do_syscall_64+0xc6/0x1e0 [ 4684.422825][ T10] [ 4684.425216][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4684.425216][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4684.425216][ T10] ipv6_find_idev+0x102/0x170 [ 4684.425216][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4684.425216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4684.425216][ T10] netlink_rcv_skb+0x130/0x360 [ 4684.425216][ T10] netlink_unicast+0x449/0x710 [ 4684.425216][ T10] netlink_sendmsg+0x723/0xbe0 [ 4684.425216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4684.425216][ T10] ___sys_sendmsg+0xee/0x170 [ 4684.425216][ T10] __sys_sendmsg+0xcd/0x170 [ 4684.425216][ T10] do_syscall_64+0xc6/0x1e0 [ 4684.425216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4684.425216][ T10] [ 4684.427095][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4684.427095][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4684.427095][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4684.427095][ T10] ipv6_find_idev+0x102/0x170 [ 4684.427095][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4684.427095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4684.427095][ T10] netlink_rcv_skb+0x130/0x360 [ 4684.427095][ T10] netlink_unicast+0x449/0x710 [ 4684.427095][ T10] netlink_sendmsg+0x723/0xbe0 [ 4684.427095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4684.427095][ T10] ___sys_sendmsg+0xee/0x170 [ 4684.427095][ T10] __sys_sendmsg+0xcd/0x170 [ 4684.427095][ T10] do_syscall_64+0xc6/0x1e0 [ 4684.427095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4684.427095][ T10] [ 4684.429143][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4684.429429][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4684.429429][ T10] netdev_get_by_index+0x5e/0x80 [ 4684.429429][ T10] fib6_nh_init+0x3d8/0x1580 [ 4684.429429][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4684.429429][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4684.429429][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4684.429429][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4684.429429][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4684.429429][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4684.429429][ T10] addrconf_dad_begin+0x310/0x670 [ 4684.429429][ T10] addrconf_dad_work+0x10b/0xab0 [ 4684.429429][ T10] process_one_work+0x84d/0x18a0 [ 4684.429429][ T10] worker_thread+0x587/0xd30 [ 4684.429429][ T10] kthread+0x28a/0x350 [ 4684.429429][ T10] ret_from_fork+0x31/0x70 [ 4684.429429][ T10] ret_from_fork_asm+0x1a/0x30 [ 4684.429429][ T10] [ 4684.431767][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4684.431767][ T10] netdev_get_by_index+0x5e/0x80 [ 4684.431767][ T10] fib6_nh_init+0x3d8/0x1580 [ 4684.431767][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4684.431767][ T10] ip6_route_add+0x1c/0x140 [ 4684.431767][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4684.431767][ T10] inet6_addr_add+0x4f8/0xa40 [ 4684.431767][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4684.431767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4684.431767][ T10] netlink_rcv_skb+0x130/0x360 [ 4684.431767][ T10] netlink_unicast+0x449/0x710 [ 4684.431767][ T10] netlink_sendmsg+0x723/0xbe0 [ 4684.431767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4684.431767][ T10] ___sys_sendmsg+0xee/0x170 [ 4684.431767][ T10] __sys_sendmsg+0xcd/0x170 [ 4684.431767][ T10] do_syscall_64+0xc6/0x1e0 [ 4684.431767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4684.431767][ T10] [ 4684.434383][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4684.434383][ T10] netdev_get_by_index+0x5e/0x80 [ 4684.434383][ T10] fib6_nh_init+0x3d8/0x1580 [ 4684.434383][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4684.434383][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4684.434383][ T10] ipv6_add_addr+0x411/0x2000 [ 4684.434383][ T10] inet6_addr_add+0x30e/0xa40 [ 4684.434383][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4684.434383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4684.434383][ T10] netlink_rcv_skb+0x130/0x360 [ 4684.434383][ T10] netlink_unicast+0x449/0x710 [ 4684.434383][ T10] netlink_sendmsg+0x723/0xbe0 [ 4684.434383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4684.434383][ T10] ___sys_sendmsg+0xee/0x170 [ 4684.434383][ T10] __sys_sendmsg+0xcd/0x170 [ 4684.434383][ T10] do_syscall_64+0xc6/0x1e0 [ 4684.434383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4684.434383][ T10] [ 4684.437131][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4684.437131][ T10] netdev_get_by_index+0x5e/0x80 [ 4684.437131][ T10] fib6_nh_init+0x3d8/0x1580 [ 4684.437131][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4684.437131][ T10] ip6_route_add+0x1c/0x140 [ 4684.437131][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4684.437131][ T10] addrconf_add_dev+0xe2/0x170 [ 4684.437131][ T10] inet6_addr_add+0x12f/0xa40 [ 4684.437131][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4684.437131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4684.437131][ T10] netlink_rcv_skb+0x130/0x360 [ 4684.437131][ T10] netlink_unicast+0x449/0x710 [ 4684.437131][ T10] netlink_sendmsg+0x723/0xbe0 [ 4684.437131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4684.437131][ T10] ___sys_sendmsg+0xee/0x170 [ 4684.437131][ T10] __sys_sendmsg+0xcd/0x170 [ 4684.437131][ T10] do_syscall_64+0xc6/0x1e0 [ 4684.437131][ T10] [ 4684.439772][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4684.439772][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4684.439772][ T10] ipv6_find_idev+0x102/0x170 [ 4684.439772][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4684.439772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4684.439772][ T10] netlink_rcv_skb+0x130/0x360 [ 4684.439772][ T10] netlink_unicast+0x449/0x710 [ 4684.439772][ T10] netlink_sendmsg+0x723/0xbe0 [ 4684.439772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4684.439772][ T10] ___sys_sendmsg+0xee/0x170 [ 4684.439772][ T10] __sys_sendmsg+0xcd/0x170 [ 4684.439772][ T10] do_syscall_64+0xc6/0x1e0 [ 4684.439772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4684.439772][ T10] [ 4684.441823][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4684.441823][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4684.441823][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4684.441823][ T10] ipv6_find_idev+0x102/0x170 [ 4684.441823][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4684.441823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4684.441823][ T10] netlink_rcv_skb+0x130/0x360 [ 4684.441823][ T10] netlink_unicast+0x449/0x710 [ 4684.441823][ T10] netlink_sendmsg+0x723/0xbe0 [ 4684.441823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4684.441823][ T10] ___sys_sendmsg+0xee/0x170 [ 4684.441823][ T10] __sys_sendmsg+0xcd/0x170 [ 4684.441823][ T10] do_syscall_64+0xc6/0x1e0 [ 4684.441823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4684.441823][ T10] [ 4684.444058][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4684.444351][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4684.444351][ T10] netdev_get_by_index+0x5e/0x80 [ 4684.444351][ T10] fib6_nh_init+0x3d8/0x1580 [ 4684.444351][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4684.444351][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4684.444351][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4684.444351][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4684.444351][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4684.444351][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4684.444351][ T10] addrconf_dad_begin+0x310/0x670 [ 4684.444351][ T10] addrconf_dad_work+0x10b/0xab0 [ 4684.444351][ T10] process_one_work+0x84d/0x18a0 [ 4684.444351][ T10] worker_thread+0x587/0xd30 [ 4684.444351][ T10] kthread+0x28a/0x350 [ 4684.444351][ T10] ret_from_fork+0x31/0x70 [ 4684.444351][ T10] ret_from_fork_asm+0x1a/0x30 [ 4684.444351][ T10] [ 4684.447010][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4684.447010][ T10] netdev_get_by_index+0x5e/0x80 [ 4684.447010][ T10] fib6_nh_init+0x3d8/0x1580 [ 4684.447010][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4684.447010][ T10] ip6_route_add+0x1c/0x140 [ 4684.447010][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4684.447010][ T10] inet6_addr_add+0x4f8/0xa40 [ 4684.447010][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4684.447010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4684.447010][ T10] netlink_rcv_skb+0x130/0x360 [ 4684.447010][ T10] netlink_unicast+0x449/0x710 [ 4684.447010][ T10] netlink_sendmsg+0x723/0xbe0 [ 4684.447010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4684.447010][ T10] ___sys_sendmsg+0xee/0x170 [ 4684.447010][ T10] __sys_sendmsg+0xcd/0x170 [ 4684.447010][ T10] do_syscall_64+0xc6/0x1e0 [ 4684.447010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4684.447010][ T10] [ 4684.449678][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4684.449678][ T10] netdev_get_by_index+0x5e/0x80 [ 4684.449678][ T10] fib6_nh_init+0x3d8/0x1580 [ 4684.449678][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4684.449678][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4684.449678][ T10] ipv6_add_addr+0x411/0x2000 [ 4684.449678][ T10] inet6_addr_add+0x30e/0xa40 [ 4684.449678][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4684.449678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4684.449678][ T10] netlink_rcv_skb+0x130/0x360 [ 4684.449678][ T10] netlink_unicast+0x449/0x710 [ 4684.449678][ T10] netlink_sendmsg+0x723/0xbe0 [ 4684.449678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4684.449678][ T10] ___sys_sendmsg+0xee/0x170 [ 4684.449678][ T10] __sys_sendmsg+0xcd/0x170 [ 4684.449678][ T10] do_syscall_64+0xc6/0x1e0 [ 4684.449678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4684.449678][ T10] [ 4684.452296][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4684.452296][ T10] netdev_get_by_index+0x5e/0x80 [ 4684.452296][ T10] fib6_nh_init+0x3d8/0x1580 [ 4684.452296][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4684.452296][ T10] ip6_route_add+0x1c/0x140 [ 4684.452296][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4684.452296][ T10] addrconf_add_dev+0xe2/0x170 [ 4684.452296][ T10] inet6_addr_add+0x12f/0xa40 [ 4684.452296][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4684.452296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4684.452296][ T10] netlink_rcv_skb+0x130/0x360 [ 4684.452296][ T10] netlink_unicast+0x449/0x710 [ 4684.452296][ T10] netlink_sendmsg+0x723/0xbe0 [ 4684.452296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4684.452296][ T10] ___sys_sendmsg+0xee/0x170 [ 4684.452296][ T10] __sys_sendmsg+0xcd/0x170 [ 4684.452296][ T10] do_syscall_64+0xc6/0x1e0 [ 4684.452296][ T10] [ 4684.454927][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4684.454927][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4684.454927][ T10] ipv6_find_idev+0x102/0x170 [ 4684.454927][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4684.454927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4684.454927][ T10] netlink_rcv_skb+0x130/0x360 [ 4684.454927][ T10] netlink_unicast+0x449/0x710 [ 4684.454927][ T10] netlink_sendmsg+0x723/0xbe0 [ 4684.454927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4684.454927][ T10] ___sys_sendmsg+0xee/0x170 [ 4684.454927][ T10] __sys_sendmsg+0xcd/0x170 [ 4684.454927][ T10] do_syscall_64+0xc6/0x1e0 [ 4684.454927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4684.454927][ T10] [ 4684.456984][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4684.456984][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4684.456984][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4684.456984][ T10] ipv6_find_idev+0x102/0x170 [ 4684.456984][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4684.456984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4684.456984][ T10] netlink_rcv_skb+0x130/0x360 [ 4684.456984][ T10] netlink_unicast+0x449/0x710 [ 4684.456984][ T10] netlink_sendmsg+0x723/0xbe0 [ 4684.456984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4684.456984][ T10] ___sys_sendmsg+0xee/0x170 [ 4684.456984][ T10] __sys_sendmsg+0xcd/0x170 [ 4684.456984][ T10] do_syscall_64+0xc6/0x1e0 [ 4684.456984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4684.456984][ T10] [ 4689.809150][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4689.809651][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4689.809651][ T1167] dst_init+0x84/0x4a0 [ 4689.809651][ T1167] dst_alloc+0x97/0x150 [ 4689.809651][ T1167] ip6_dst_alloc+0x23/0x90 [ 4689.809651][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4689.809651][ T1167] ip6_pol_route+0x56f/0x840 [ 4689.809651][ T1167] fib6_rule_lookup+0x334/0x630 [ 4689.809651][ T1167] ip6_route_output_flags+0x259/0x480 [ 4689.809651][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4689.809651][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4689.809651][ T1167] netlink_rcv_skb+0x130/0x360 [ 4689.809651][ T1167] netlink_unicast+0x449/0x710 [ 4689.809651][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4689.809651][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4689.809651][ T1167] ___sys_sendmsg+0xee/0x170 [ 4689.809651][ T1167] __sys_sendmsg+0xcd/0x170 [ 4689.809651][ T1167] do_syscall_64+0xc6/0x1e0 [ 4689.809651][ T1167] [ 4689.812282][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4689.812282][ T1167] netdev_get_by_index+0x5e/0x80 [ 4689.812282][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4689.812282][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4689.812282][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4689.812282][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4689.812282][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4689.812282][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4689.812282][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4689.812282][ T1167] addrconf_dad_begin+0x310/0x670 [ 4689.812282][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4689.812282][ T1167] process_one_work+0x84d/0x18a0 [ 4689.812282][ T1167] worker_thread+0x587/0xd30 [ 4689.812282][ T1167] kthread+0x28a/0x350 [ 4689.812282][ T1167] ret_from_fork+0x31/0x70 [ 4689.812282][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4689.812282][ T1167] [ 4689.814858][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4689.814858][ T1167] netdev_get_by_index+0x5e/0x80 [ 4689.814858][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4689.814858][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4689.814858][ T1167] ip6_route_add+0x1c/0x140 [ 4689.814858][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4689.814858][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4689.814858][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4689.814858][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4689.814858][ T1167] netlink_rcv_skb+0x130/0x360 [ 4689.814858][ T1167] netlink_unicast+0x449/0x710 [ 4689.814858][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4689.814858][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4689.814858][ T1167] ___sys_sendmsg+0xee/0x170 [ 4689.814858][ T1167] __sys_sendmsg+0xcd/0x170 [ 4689.814858][ T1167] do_syscall_64+0xc6/0x1e0 [ 4689.814858][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4689.814858][ T1167] [ 4689.817565][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4689.817565][ T1167] netdev_get_by_index+0x5e/0x80 [ 4689.817565][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4689.817565][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4689.817565][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4689.817565][ T1167] ipv6_add_addr+0x411/0x2000 [ 4689.817565][ T1167] inet6_addr_add+0x30e/0xa40 [ 4689.817565][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4689.817565][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4689.817565][ T1167] netlink_rcv_skb+0x130/0x360 [ 4689.817565][ T1167] netlink_unicast+0x449/0x710 [ 4689.817565][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4689.817565][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4689.817565][ T1167] ___sys_sendmsg+0xee/0x170 [ 4689.817565][ T1167] __sys_sendmsg+0xcd/0x170 [ 4689.817565][ T1167] do_syscall_64+0xc6/0x1e0 [ 4689.817565][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4689.817565][ T1167] [ 4689.820254][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4689.820254][ T1167] netdev_get_by_index+0x5e/0x80 [ 4689.820254][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4689.820254][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4689.820254][ T1167] ip6_route_add+0x1c/0x140 [ 4689.820254][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4689.820254][ T1167] addrconf_add_dev+0xe2/0x170 [ 4689.820254][ T1167] inet6_addr_add+0x12f/0xa40 [ 4689.820254][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4689.820254][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4689.820254][ T1167] netlink_rcv_skb+0x130/0x360 [ 4689.820254][ T1167] netlink_unicast+0x449/0x710 [ 4689.820254][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4689.820254][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4689.820254][ T1167] ___sys_sendmsg+0xee/0x170 [ 4689.820254][ T1167] __sys_sendmsg+0xcd/0x170 [ 4689.820254][ T1167] do_syscall_64+0xc6/0x1e0 [ 4689.820254][ T1167] [ 4689.822894][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4689.822894][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4689.822894][ T1167] ipv6_find_idev+0x102/0x170 [ 4689.822894][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4689.822894][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4689.822894][ T1167] netlink_rcv_skb+0x130/0x360 [ 4689.822894][ T1167] netlink_unicast+0x449/0x710 [ 4689.822894][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4689.822894][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4689.822894][ T1167] ___sys_sendmsg+0xee/0x170 [ 4689.822894][ T1167] __sys_sendmsg+0xcd/0x170 [ 4689.822894][ T1167] do_syscall_64+0xc6/0x1e0 [ 4689.822894][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4689.822894][ T1167] [ 4689.824967][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4689.824967][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4689.824967][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4689.824967][ T1167] ipv6_find_idev+0x102/0x170 [ 4689.824967][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4689.824967][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4689.824967][ T1167] netlink_rcv_skb+0x130/0x360 [ 4689.824967][ T1167] netlink_unicast+0x449/0x710 [ 4689.824967][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4689.824967][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4689.824967][ T1167] ___sys_sendmsg+0xee/0x170 [ 4689.824967][ T1167] __sys_sendmsg+0xcd/0x170 [ 4689.824967][ T1167] do_syscall_64+0xc6/0x1e0 [ 4689.824967][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4689.824967][ T1167] [ 4694.849149][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4694.849566][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4694.849566][ T10] netdev_get_by_index+0x5e/0x80 [ 4694.849566][ T10] fib6_nh_init+0x3d8/0x1580 [ 4694.849566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4694.849566][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4694.849566][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4694.849566][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4694.849566][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4694.849566][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4694.849566][ T10] addrconf_dad_begin+0x310/0x670 [ 4694.849566][ T10] addrconf_dad_work+0x10b/0xab0 [ 4694.849566][ T10] process_one_work+0x84d/0x18a0 [ 4694.849566][ T10] worker_thread+0x587/0xd30 [ 4694.849566][ T10] kthread+0x28a/0x350 [ 4694.849566][ T10] ret_from_fork+0x31/0x70 [ 4694.849566][ T10] ret_from_fork_asm+0x1a/0x30 [ 4694.849566][ T10] [ 4694.852459][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4694.852459][ T10] netdev_get_by_index+0x5e/0x80 [ 4694.852459][ T10] fib6_nh_init+0x3d8/0x1580 [ 4694.852459][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4694.852459][ T10] ip6_route_add+0x1c/0x140 [ 4694.852459][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4694.852459][ T10] inet6_addr_add+0x4f8/0xa40 [ 4694.852459][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4694.852459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4694.852459][ T10] netlink_rcv_skb+0x130/0x360 [ 4694.852459][ T10] netlink_unicast+0x449/0x710 [ 4694.852459][ T10] netlink_sendmsg+0x723/0xbe0 [ 4694.852459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4694.852459][ T10] ___sys_sendmsg+0xee/0x170 [ 4694.852459][ T10] __sys_sendmsg+0xcd/0x170 [ 4694.852459][ T10] do_syscall_64+0xc6/0x1e0 [ 4694.852459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4694.852459][ T10] [ 4694.854908][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4694.854908][ T10] netdev_get_by_index+0x5e/0x80 [ 4694.854908][ T10] fib6_nh_init+0x3d8/0x1580 [ 4694.854908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4694.854908][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4694.854908][ T10] ipv6_add_addr+0x411/0x2000 [ 4694.854908][ T10] inet6_addr_add+0x30e/0xa40 [ 4694.854908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4694.854908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4694.854908][ T10] netlink_rcv_skb+0x130/0x360 [ 4694.854908][ T10] netlink_unicast+0x449/0x710 [ 4694.854908][ T10] netlink_sendmsg+0x723/0xbe0 [ 4694.854908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4694.854908][ T10] ___sys_sendmsg+0xee/0x170 [ 4694.854908][ T10] __sys_sendmsg+0xcd/0x170 [ 4694.854908][ T10] do_syscall_64+0xc6/0x1e0 [ 4694.854908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4694.854908][ T10] [ 4694.857370][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4694.857370][ T10] netdev_get_by_index+0x5e/0x80 [ 4694.857370][ T10] fib6_nh_init+0x3d8/0x1580 [ 4694.857370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4694.857370][ T10] ip6_route_add+0x1c/0x140 [ 4694.857370][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4694.857370][ T10] addrconf_add_dev+0xe2/0x170 [ 4694.857370][ T10] inet6_addr_add+0x12f/0xa40 [ 4694.857370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4694.857370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4694.857370][ T10] netlink_rcv_skb+0x130/0x360 [ 4694.857370][ T10] netlink_unicast+0x449/0x710 [ 4694.857370][ T10] netlink_sendmsg+0x723/0xbe0 [ 4694.857370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4694.857370][ T10] ___sys_sendmsg+0xee/0x170 [ 4694.857370][ T10] __sys_sendmsg+0xcd/0x170 [ 4694.857370][ T10] do_syscall_64+0xc6/0x1e0 [ 4694.857370][ T10] [ 4694.859751][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4694.859751][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4694.859751][ T10] ipv6_find_idev+0x102/0x170 [ 4694.859751][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4694.859751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4694.859751][ T10] netlink_rcv_skb+0x130/0x360 [ 4694.859751][ T10] netlink_unicast+0x449/0x710 [ 4694.859751][ T10] netlink_sendmsg+0x723/0xbe0 [ 4694.859751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4694.859751][ T10] ___sys_sendmsg+0xee/0x170 [ 4694.859751][ T10] __sys_sendmsg+0xcd/0x170 [ 4694.859751][ T10] do_syscall_64+0xc6/0x1e0 [ 4694.859751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4694.859751][ T10] [ 4694.861601][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4694.861601][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4694.861601][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4694.861601][ T10] ipv6_find_idev+0x102/0x170 [ 4694.861601][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4694.861601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4694.861601][ T10] netlink_rcv_skb+0x130/0x360 [ 4694.861601][ T10] netlink_unicast+0x449/0x710 [ 4694.861601][ T10] netlink_sendmsg+0x723/0xbe0 [ 4694.861601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4694.861601][ T10] ___sys_sendmsg+0xee/0x170 [ 4694.861601][ T10] __sys_sendmsg+0xcd/0x170 [ 4694.861601][ T10] do_syscall_64+0xc6/0x1e0 [ 4694.861601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4694.861601][ T10] [ 4694.863684][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4694.864357][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4694.864357][ T10] netdev_get_by_index+0x5e/0x80 [ 4694.864357][ T10] fib6_nh_init+0x3d8/0x1580 [ 4694.864357][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4694.864357][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4694.864357][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4694.864357][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4694.864357][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4694.864357][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4694.864357][ T10] addrconf_dad_begin+0x310/0x670 [ 4694.864357][ T10] addrconf_dad_work+0x10b/0xab0 [ 4694.864357][ T10] process_one_work+0x84d/0x18a0 [ 4694.864357][ T10] worker_thread+0x587/0xd30 [ 4694.864357][ T10] kthread+0x28a/0x350 [ 4694.864357][ T10] ret_from_fork+0x31/0x70 [ 4694.864357][ T10] ret_from_fork_asm+0x1a/0x30 [ 4694.864357][ T10] [ 4694.866732][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4694.866732][ T10] netdev_get_by_index+0x5e/0x80 [ 4694.866732][ T10] fib6_nh_init+0x3d8/0x1580 [ 4694.866732][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4694.866732][ T10] ip6_route_add+0x1c/0x140 [ 4694.866732][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4694.866732][ T10] inet6_addr_add+0x4f8/0xa40 [ 4694.866732][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4694.866732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4694.866732][ T10] netlink_rcv_skb+0x130/0x360 [ 4694.866732][ T10] netlink_unicast+0x449/0x710 [ 4694.866732][ T10] netlink_sendmsg+0x723/0xbe0 [ 4694.866732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4694.866732][ T10] ___sys_sendmsg+0xee/0x170 [ 4694.866732][ T10] __sys_sendmsg+0xcd/0x170 [ 4694.866732][ T10] do_syscall_64+0xc6/0x1e0 [ 4694.866732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4694.866732][ T10] [ 4694.869185][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4694.869185][ T10] netdev_get_by_index+0x5e/0x80 [ 4694.869185][ T10] fib6_nh_init+0x3d8/0x1580 [ 4694.869185][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4694.869185][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4694.869185][ T10] ipv6_add_addr+0x411/0x2000 [ 4694.869185][ T10] inet6_addr_add+0x30e/0xa40 [ 4694.869185][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4694.869185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4694.869185][ T10] netlink_rcv_skb+0x130/0x360 [ 4694.869185][ T10] netlink_unicast+0x449/0x710 [ 4694.869185][ T10] netlink_sendmsg+0x723/0xbe0 [ 4694.869185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4694.869185][ T10] ___sys_sendmsg+0xee/0x170 [ 4694.869185][ T10] __sys_sendmsg+0xcd/0x170 [ 4694.869185][ T10] do_syscall_64+0xc6/0x1e0 [ 4694.869185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4694.869185][ T10] [ 4694.871629][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4694.871629][ T10] netdev_get_by_index+0x5e/0x80 [ 4694.871629][ T10] fib6_nh_init+0x3d8/0x1580 [ 4694.871629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4694.871629][ T10] ip6_route_add+0x1c/0x140 [ 4694.871629][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4694.871629][ T10] addrconf_add_dev+0xe2/0x170 [ 4694.871629][ T10] inet6_addr_add+0x12f/0xa40 [ 4694.871629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4694.871629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4694.871629][ T10] netlink_rcv_skb+0x130/0x360 [ 4694.871629][ T10] netlink_unicast+0x449/0x710 [ 4694.871629][ T10] netlink_sendmsg+0x723/0xbe0 [ 4694.871629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4694.871629][ T10] ___sys_sendmsg+0xee/0x170 [ 4694.871629][ T10] __sys_sendmsg+0xcd/0x170 [ 4694.871629][ T10] do_syscall_64+0xc6/0x1e0 [ 4694.871629][ T10] [ 4694.874035][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4694.874035][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4694.874035][ T10] ipv6_find_idev+0x102/0x170 [ 4694.874035][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4694.874035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4694.874035][ T10] netlink_rcv_skb+0x130/0x360 [ 4694.874035][ T10] netlink_unicast+0x449/0x710 [ 4694.874035][ T10] netlink_sendmsg+0x723/0xbe0 [ 4694.874035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4694.874035][ T10] ___sys_sendmsg+0xee/0x170 [ 4694.874035][ T10] __sys_sendmsg+0xcd/0x170 [ 4694.874035][ T10] do_syscall_64+0xc6/0x1e0 [ 4694.874035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4694.874035][ T10] [ 4694.875928][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4694.875928][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4694.875928][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4694.875928][ T10] ipv6_find_idev+0x102/0x170 [ 4694.875928][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4694.875928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4694.875928][ T10] netlink_rcv_skb+0x130/0x360 [ 4694.875928][ T10] netlink_unicast+0x449/0x710 [ 4694.875928][ T10] netlink_sendmsg+0x723/0xbe0 [ 4694.875928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4694.875928][ T10] ___sys_sendmsg+0xee/0x170 [ 4694.875928][ T10] __sys_sendmsg+0xcd/0x170 [ 4694.875928][ T10] do_syscall_64+0xc6/0x1e0 [ 4694.875928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4694.875928][ T10] [ 4694.878007][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4694.878329][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4694.878329][ T10] netdev_get_by_index+0x5e/0x80 [ 4694.878329][ T10] fib6_nh_init+0x3d8/0x1580 [ 4694.878329][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4694.878329][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4694.878329][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4694.878329][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4694.878329][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4694.878329][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4694.878329][ T10] addrconf_dad_begin+0x310/0x670 [ 4694.878329][ T10] addrconf_dad_work+0x10b/0xab0 [ 4694.878329][ T10] process_one_work+0x84d/0x18a0 [ 4694.878329][ T10] worker_thread+0x587/0xd30 [ 4694.878329][ T10] kthread+0x28a/0x350 [ 4694.878329][ T10] ret_from_fork+0x31/0x70 [ 4694.878329][ T10] ret_from_fork_asm+0x1a/0x30 [ 4694.878329][ T10] [ 4694.880662][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4694.880662][ T10] netdev_get_by_index+0x5e/0x80 [ 4694.880662][ T10] fib6_nh_init+0x3d8/0x1580 [ 4694.880662][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4694.880662][ T10] ip6_route_add+0x1c/0x140 [ 4694.880662][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4694.880662][ T10] inet6_addr_add+0x4f8/0xa40 [ 4694.880662][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4694.880662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4694.880662][ T10] netlink_rcv_skb+0x130/0x360 [ 4694.880662][ T10] netlink_unicast+0x449/0x710 [ 4694.880662][ T10] netlink_sendmsg+0x723/0xbe0 [ 4694.880662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4694.880662][ T10] ___sys_sendmsg+0xee/0x170 [ 4694.880662][ T10] __sys_sendmsg+0xcd/0x170 [ 4694.880662][ T10] do_syscall_64+0xc6/0x1e0 [ 4694.880662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4694.880662][ T10] [ 4694.883298][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4694.883298][ T10] netdev_get_by_index+0x5e/0x80 [ 4694.883298][ T10] fib6_nh_init+0x3d8/0x1580 [ 4694.883298][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4694.883298][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4694.883298][ T10] ipv6_add_addr+0x411/0x2000 [ 4694.883298][ T10] inet6_addr_add+0x30e/0xa40 [ 4694.883298][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4694.883298][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4694.883298][ T10] netlink_rcv_skb+0x130/0x360 [ 4694.883298][ T10] netlink_unicast+0x449/0x710 [ 4694.883298][ T10] netlink_sendmsg+0x723/0xbe0 [ 4694.883298][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4694.883298][ T10] ___sys_sendmsg+0xee/0x170 [ 4694.883298][ T10] __sys_sendmsg+0xcd/0x170 [ 4694.883298][ T10] do_syscall_64+0xc6/0x1e0 [ 4694.883298][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4694.883298][ T10] [ 4694.885994][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4694.885994][ T10] netdev_get_by_index+0x5e/0x80 [ 4694.885994][ T10] fib6_nh_init+0x3d8/0x1580 [ 4694.885994][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4694.885994][ T10] ip6_route_add+0x1c/0x140 [ 4694.885994][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4694.885994][ T10] addrconf_add_dev+0xe2/0x170 [ 4694.885994][ T10] inet6_addr_add+0x12f/0xa40 [ 4694.885994][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4694.885994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4694.885994][ T10] netlink_rcv_skb+0x130/0x360 [ 4694.885994][ T10] netlink_unicast+0x449/0x710 [ 4694.885994][ T10] netlink_sendmsg+0x723/0xbe0 [ 4694.885994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4694.885994][ T10] ___sys_sendmsg+0xee/0x170 [ 4694.885994][ T10] __sys_sendmsg+0xcd/0x170 [ 4694.885994][ T10] do_syscall_64+0xc6/0x1e0 [ 4694.885994][ T10] [ 4694.888630][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4694.888630][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4694.888630][ T10] ipv6_find_idev+0x102/0x170 [ 4694.888630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4694.888630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4694.888630][ T10] netlink_rcv_skb+0x130/0x360 [ 4694.888630][ T10] netlink_unicast+0x449/0x710 [ 4694.888630][ T10] netlink_sendmsg+0x723/0xbe0 [ 4694.888630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4694.888630][ T10] ___sys_sendmsg+0xee/0x170 [ 4694.888630][ T10] __sys_sendmsg+0xcd/0x170 [ 4694.888630][ T10] do_syscall_64+0xc6/0x1e0 [ 4694.888630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4694.888630][ T10] [ 4694.890699][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4694.890699][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4694.890699][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4694.890699][ T10] ipv6_find_idev+0x102/0x170 [ 4694.890699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4694.890699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4694.890699][ T10] netlink_rcv_skb+0x130/0x360 [ 4694.890699][ T10] netlink_unicast+0x449/0x710 [ 4694.890699][ T10] netlink_sendmsg+0x723/0xbe0 [ 4694.890699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4694.890699][ T10] ___sys_sendmsg+0xee/0x170 [ 4694.890699][ T10] __sys_sendmsg+0xcd/0x170 [ 4694.890699][ T10] do_syscall_64+0xc6/0x1e0 [ 4694.890699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4694.890699][ T10] [ 4694.893019][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4694.893352][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4694.893352][ T10] netdev_get_by_index+0x5e/0x80 [ 4694.893352][ T10] fib6_nh_init+0x3d8/0x1580 [ 4694.893352][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4694.893352][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4694.893352][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4694.893352][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4694.893352][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4694.893352][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4694.893352][ T10] addrconf_dad_begin+0x310/0x670 [ 4694.893352][ T10] addrconf_dad_work+0x10b/0xab0 [ 4694.893352][ T10] process_one_work+0x84d/0x18a0 [ 4694.893352][ T10] worker_thread+0x587/0xd30 [ 4694.893352][ T10] kthread+0x28a/0x350 [ 4694.893352][ T10] ret_from_fork+0x31/0x70 [ 4694.893352][ T10] ret_from_fork_asm+0x1a/0x30 [ 4694.893352][ T10] [ 4694.895872][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4694.895872][ T10] netdev_get_by_index+0x5e/0x80 [ 4694.895872][ T10] fib6_nh_init+0x3d8/0x1580 [ 4694.895872][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4694.895872][ T10] ip6_route_add+0x1c/0x140 [ 4694.895872][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4694.895872][ T10] inet6_addr_add+0x4f8/0xa40 [ 4694.895872][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4694.895872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4694.895872][ T10] netlink_rcv_skb+0x130/0x360 [ 4694.895872][ T10] netlink_unicast+0x449/0x710 [ 4694.895872][ T10] netlink_sendmsg+0x723/0xbe0 [ 4694.895872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4694.895872][ T10] ___sys_sendmsg+0xee/0x170 [ 4694.895872][ T10] __sys_sendmsg+0xcd/0x170 [ 4694.895872][ T10] do_syscall_64+0xc6/0x1e0 [ 4694.895872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4694.895872][ T10] [ 4694.898547][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4694.898547][ T10] netdev_get_by_index+0x5e/0x80 [ 4694.898547][ T10] fib6_nh_init+0x3d8/0x1580 [ 4694.898547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4694.898547][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4694.898547][ T10] ipv6_add_addr+0x411/0x2000 [ 4694.898547][ T10] inet6_addr_add+0x30e/0xa40 [ 4694.898547][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4694.898547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4694.898547][ T10] netlink_rcv_skb+0x130/0x360 [ 4694.898547][ T10] netlink_unicast+0x449/0x710 [ 4694.898547][ T10] netlink_sendmsg+0x723/0xbe0 [ 4694.898547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4694.898547][ T10] ___sys_sendmsg+0xee/0x170 [ 4694.898547][ T10] __sys_sendmsg+0xcd/0x170 [ 4694.898547][ T10] do_syscall_64+0xc6/0x1e0 [ 4694.898547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4694.898547][ T10] [ 4694.901230][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4694.901230][ T10] netdev_get_by_index+0x5e/0x80 [ 4694.901230][ T10] fib6_nh_init+0x3d8/0x1580 [ 4694.901230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4694.901230][ T10] ip6_route_add+0x1c/0x140 [ 4694.901230][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4694.901230][ T10] addrconf_add_dev+0xe2/0x170 [ 4694.901230][ T10] inet6_addr_add+0x12f/0xa40 [ 4694.901230][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4694.901230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4694.901230][ T10] netlink_rcv_skb+0x130/0x360 [ 4694.901230][ T10] netlink_unicast+0x449/0x710 [ 4694.901230][ T10] netlink_sendmsg+0x723/0xbe0 [ 4694.901230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4694.901230][ T10] ___sys_sendmsg+0xee/0x170 [ 4694.901230][ T10] __sys_sendmsg+0xcd/0x170 [ 4694.901230][ T10] do_syscall_64+0xc6/0x1e0 [ 4694.901230][ T10] [ 4694.903662][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4694.903662][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4694.903662][ T10] ipv6_find_idev+0x102/0x170 [ 4694.903662][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4694.903662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4694.903662][ T10] netlink_rcv_skb+0x130/0x360 [ 4694.903662][ T10] netlink_unicast+0x449/0x710 [ 4694.903662][ T10] netlink_sendmsg+0x723/0xbe0 [ 4694.903662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4694.903662][ T10] ___sys_sendmsg+0xee/0x170 [ 4694.903662][ T10] __sys_sendmsg+0xcd/0x170 [ 4694.903662][ T10] do_syscall_64+0xc6/0x1e0 [ 4694.903662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4694.903662][ T10] [ 4694.905393][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4694.905393][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4694.905393][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4694.905393][ T10] ipv6_find_idev+0x102/0x170 [ 4694.905393][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4694.905393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4694.905393][ T10] netlink_rcv_skb+0x130/0x360 [ 4694.905393][ T10] netlink_unicast+0x449/0x710 [ 4694.905393][ T10] netlink_sendmsg+0x723/0xbe0 [ 4694.905393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4694.905393][ T10] ___sys_sendmsg+0xee/0x170 [ 4694.905393][ T10] __sys_sendmsg+0xcd/0x170 [ 4694.905393][ T10] do_syscall_64+0xc6/0x1e0 [ 4694.905393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4694.905393][ T10] [ 4699.985109][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4699.985572][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4699.985572][ T1167] dst_init+0x84/0x4a0 [ 4699.985572][ T1167] dst_alloc+0x97/0x150 [ 4699.985572][ T1167] ip6_dst_alloc+0x23/0x90 [ 4699.985572][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4699.985572][ T1167] ip6_pol_route+0x56f/0x840 [ 4699.985572][ T1167] fib6_rule_lookup+0x334/0x630 [ 4699.985572][ T1167] ip6_route_output_flags+0x259/0x480 [ 4699.985572][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4699.985572][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4699.985572][ T1167] netlink_rcv_skb+0x130/0x360 [ 4699.985572][ T1167] netlink_unicast+0x449/0x710 [ 4699.985572][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4699.985572][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4699.985572][ T1167] ___sys_sendmsg+0xee/0x170 [ 4699.985572][ T1167] __sys_sendmsg+0xcd/0x170 [ 4699.985572][ T1167] do_syscall_64+0xc6/0x1e0 [ 4699.985572][ T1167] [ 4699.987816][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4699.987816][ T1167] netdev_get_by_index+0x5e/0x80 [ 4699.987816][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4699.987816][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4699.987816][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4699.987816][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4699.987816][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4699.987816][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4699.987816][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4699.987816][ T1167] addrconf_dad_begin+0x310/0x670 [ 4699.987816][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4699.987816][ T1167] process_one_work+0x84d/0x18a0 [ 4699.987816][ T1167] worker_thread+0x587/0xd30 [ 4699.987816][ T1167] kthread+0x28a/0x350 [ 4699.987816][ T1167] ret_from_fork+0x31/0x70 [ 4699.987816][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4699.987816][ T1167] [ 4699.989969][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4699.989969][ T1167] netdev_get_by_index+0x5e/0x80 [ 4699.989969][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4699.989969][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4699.989969][ T1167] ip6_route_add+0x1c/0x140 [ 4699.989969][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4699.989969][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4699.989969][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4699.989969][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4699.989969][ T1167] netlink_rcv_skb+0x130/0x360 [ 4699.989969][ T1167] netlink_unicast+0x449/0x710 [ 4699.989969][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4699.989969][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4699.989969][ T1167] ___sys_sendmsg+0xee/0x170 [ 4699.989969][ T1167] __sys_sendmsg+0xcd/0x170 [ 4699.989969][ T1167] do_syscall_64+0xc6/0x1e0 [ 4699.989969][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4699.989969][ T1167] [ 4699.992424][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4699.992424][ T1167] netdev_get_by_index+0x5e/0x80 [ 4699.992424][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4699.992424][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4699.992424][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4699.992424][ T1167] ipv6_add_addr+0x411/0x2000 [ 4699.992424][ T1167] inet6_addr_add+0x30e/0xa40 [ 4699.992424][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4699.992424][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4699.992424][ T1167] netlink_rcv_skb+0x130/0x360 [ 4699.992424][ T1167] netlink_unicast+0x449/0x710 [ 4699.992424][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4699.992424][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4699.992424][ T1167] ___sys_sendmsg+0xee/0x170 [ 4699.992424][ T1167] __sys_sendmsg+0xcd/0x170 [ 4699.992424][ T1167] do_syscall_64+0xc6/0x1e0 [ 4699.992424][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4699.992424][ T1167] [ 4699.994859][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4699.994859][ T1167] netdev_get_by_index+0x5e/0x80 [ 4699.994859][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4699.994859][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4699.994859][ T1167] ip6_route_add+0x1c/0x140 [ 4699.994859][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4699.994859][ T1167] addrconf_add_dev+0xe2/0x170 [ 4699.994859][ T1167] inet6_addr_add+0x12f/0xa40 [ 4699.994859][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4699.994859][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4699.994859][ T1167] netlink_rcv_skb+0x130/0x360 [ 4699.994859][ T1167] netlink_unicast+0x449/0x710 [ 4699.994859][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4699.994859][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4699.994859][ T1167] ___sys_sendmsg+0xee/0x170 [ 4699.994859][ T1167] __sys_sendmsg+0xcd/0x170 [ 4699.994859][ T1167] do_syscall_64+0xc6/0x1e0 [ 4699.994859][ T1167] [ 4700.000145][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4700.000145][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4700.000145][ T1167] ipv6_find_idev+0x102/0x170 [ 4700.000145][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4700.000145][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4700.000145][ T1167] netlink_rcv_skb+0x130/0x360 [ 4700.000145][ T1167] netlink_unicast+0x449/0x710 [ 4700.000145][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4700.000145][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4700.000145][ T1167] ___sys_sendmsg+0xee/0x170 [ 4700.000145][ T1167] __sys_sendmsg+0xcd/0x170 [ 4700.000145][ T1167] do_syscall_64+0xc6/0x1e0 [ 4700.000145][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4700.000145][ T1167] [ 4700.002004][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4700.002004][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4700.002004][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4700.002004][ T1167] ipv6_find_idev+0x102/0x170 [ 4700.002004][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4700.002004][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4700.002004][ T1167] netlink_rcv_skb+0x130/0x360 [ 4700.002004][ T1167] netlink_unicast+0x449/0x710 [ 4700.002004][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4700.002004][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4700.002004][ T1167] ___sys_sendmsg+0xee/0x170 [ 4700.002004][ T1167] __sys_sendmsg+0xcd/0x170 [ 4700.002004][ T1167] do_syscall_64+0xc6/0x1e0 [ 4700.002004][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4700.002004][ T1167] [ 4705.145105][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4705.145547][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4705.145547][ T10] netdev_get_by_index+0x5e/0x80 [ 4705.145547][ T10] fib6_nh_init+0x3d8/0x1580 [ 4705.145547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4705.145547][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4705.145547][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4705.145547][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4705.145547][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4705.145547][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4705.145547][ T10] addrconf_dad_begin+0x310/0x670 [ 4705.145547][ T10] addrconf_dad_work+0x10b/0xab0 [ 4705.145547][ T10] process_one_work+0x84d/0x18a0 [ 4705.145547][ T10] worker_thread+0x587/0xd30 [ 4705.145547][ T10] kthread+0x28a/0x350 [ 4705.145547][ T10] ret_from_fork+0x31/0x70 [ 4705.145547][ T10] ret_from_fork_asm+0x1a/0x30 [ 4705.145547][ T10] [ 4705.147908][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4705.147908][ T10] netdev_get_by_index+0x5e/0x80 [ 4705.147908][ T10] fib6_nh_init+0x3d8/0x1580 [ 4705.147908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4705.147908][ T10] ip6_route_add+0x1c/0x140 [ 4705.147908][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4705.147908][ T10] inet6_addr_add+0x4f8/0xa40 [ 4705.147908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4705.147908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4705.147908][ T10] netlink_rcv_skb+0x130/0x360 [ 4705.147908][ T10] netlink_unicast+0x449/0x710 [ 4705.147908][ T10] netlink_sendmsg+0x723/0xbe0 [ 4705.147908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4705.147908][ T10] ___sys_sendmsg+0xee/0x170 [ 4705.147908][ T10] __sys_sendmsg+0xcd/0x170 [ 4705.147908][ T10] do_syscall_64+0xc6/0x1e0 [ 4705.147908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4705.147908][ T10] [ 4705.150392][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4705.150392][ T10] netdev_get_by_index+0x5e/0x80 [ 4705.150392][ T10] fib6_nh_init+0x3d8/0x1580 [ 4705.150392][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4705.150392][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4705.150392][ T10] ipv6_add_addr+0x411/0x2000 [ 4705.150392][ T10] inet6_addr_add+0x30e/0xa40 [ 4705.150392][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4705.150392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4705.150392][ T10] netlink_rcv_skb+0x130/0x360 [ 4705.150392][ T10] netlink_unicast+0x449/0x710 [ 4705.150392][ T10] netlink_sendmsg+0x723/0xbe0 [ 4705.150392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4705.150392][ T10] ___sys_sendmsg+0xee/0x170 [ 4705.150392][ T10] __sys_sendmsg+0xcd/0x170 [ 4705.150392][ T10] do_syscall_64+0xc6/0x1e0 [ 4705.150392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4705.150392][ T10] [ 4705.152857][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4705.152857][ T10] netdev_get_by_index+0x5e/0x80 [ 4705.152857][ T10] fib6_nh_init+0x3d8/0x1580 [ 4705.152857][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4705.152857][ T10] ip6_route_add+0x1c/0x140 [ 4705.152857][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4705.152857][ T10] addrconf_add_dev+0xe2/0x170 [ 4705.152857][ T10] inet6_addr_add+0x12f/0xa40 [ 4705.152857][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4705.152857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4705.152857][ T10] netlink_rcv_skb+0x130/0x360 [ 4705.152857][ T10] netlink_unicast+0x449/0x710 [ 4705.152857][ T10] netlink_sendmsg+0x723/0xbe0 [ 4705.152857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4705.152857][ T10] ___sys_sendmsg+0xee/0x170 [ 4705.152857][ T10] __sys_sendmsg+0xcd/0x170 [ 4705.152857][ T10] do_syscall_64+0xc6/0x1e0 [ 4705.152857][ T10] [ 4705.155275][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4705.155275][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4705.155275][ T10] ipv6_find_idev+0x102/0x170 [ 4705.155275][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4705.155275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4705.155275][ T10] netlink_rcv_skb+0x130/0x360 [ 4705.155275][ T10] netlink_unicast+0x449/0x710 [ 4705.155275][ T10] netlink_sendmsg+0x723/0xbe0 [ 4705.155275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4705.155275][ T10] ___sys_sendmsg+0xee/0x170 [ 4705.155275][ T10] __sys_sendmsg+0xcd/0x170 [ 4705.155275][ T10] do_syscall_64+0xc6/0x1e0 [ 4705.155275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4705.155275][ T10] [ 4705.157175][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4705.157175][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4705.157175][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4705.157175][ T10] ipv6_find_idev+0x102/0x170 [ 4705.157175][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4705.157175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4705.157175][ T10] netlink_rcv_skb+0x130/0x360 [ 4705.157175][ T10] netlink_unicast+0x449/0x710 [ 4705.157175][ T10] netlink_sendmsg+0x723/0xbe0 [ 4705.157175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4705.157175][ T10] ___sys_sendmsg+0xee/0x170 [ 4705.157175][ T10] __sys_sendmsg+0xcd/0x170 [ 4705.157175][ T10] do_syscall_64+0xc6/0x1e0 [ 4705.157175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4705.157175][ T10] [ 4705.159257][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4705.159580][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4705.159580][ T10] netdev_get_by_index+0x5e/0x80 [ 4705.159580][ T10] fib6_nh_init+0x3d8/0x1580 [ 4705.159580][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4705.159580][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4705.159580][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4705.159580][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4705.159580][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4705.159580][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4705.159580][ T10] addrconf_dad_begin+0x310/0x670 [ 4705.159580][ T10] addrconf_dad_work+0x10b/0xab0 [ 4705.159580][ T10] process_one_work+0x84d/0x18a0 [ 4705.159580][ T10] worker_thread+0x587/0xd30 [ 4705.159580][ T10] kthread+0x28a/0x350 [ 4705.159580][ T10] ret_from_fork+0x31/0x70 [ 4705.159580][ T10] ret_from_fork_asm+0x1a/0x30 [ 4705.159580][ T10] [ 4705.161934][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4705.161934][ T10] netdev_get_by_index+0x5e/0x80 [ 4705.161934][ T10] fib6_nh_init+0x3d8/0x1580 [ 4705.161934][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4705.161934][ T10] ip6_route_add+0x1c/0x140 [ 4705.161934][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4705.161934][ T10] inet6_addr_add+0x4f8/0xa40 [ 4705.161934][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4705.161934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4705.161934][ T10] netlink_rcv_skb+0x130/0x360 [ 4705.161934][ T10] netlink_unicast+0x449/0x710 [ 4705.161934][ T10] netlink_sendmsg+0x723/0xbe0 [ 4705.161934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4705.161934][ T10] ___sys_sendmsg+0xee/0x170 [ 4705.161934][ T10] __sys_sendmsg+0xcd/0x170 [ 4705.161934][ T10] do_syscall_64+0xc6/0x1e0 [ 4705.161934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4705.161934][ T10] [ 4705.164370][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4705.164370][ T10] netdev_get_by_index+0x5e/0x80 [ 4705.164370][ T10] fib6_nh_init+0x3d8/0x1580 [ 4705.164370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4705.164370][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4705.164370][ T10] ipv6_add_addr+0x411/0x2000 [ 4705.164370][ T10] inet6_addr_add+0x30e/0xa40 [ 4705.164370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4705.164370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4705.164370][ T10] netlink_rcv_skb+0x130/0x360 [ 4705.164370][ T10] netlink_unicast+0x449/0x710 [ 4705.164370][ T10] netlink_sendmsg+0x723/0xbe0 [ 4705.164370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4705.164370][ T10] ___sys_sendmsg+0xee/0x170 [ 4705.164370][ T10] __sys_sendmsg+0xcd/0x170 [ 4705.164370][ T10] do_syscall_64+0xc6/0x1e0 [ 4705.164370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4705.164370][ T10] [ 4705.166832][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4705.166832][ T10] netdev_get_by_index+0x5e/0x80 [ 4705.166832][ T10] fib6_nh_init+0x3d8/0x1580 [ 4705.166832][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4705.166832][ T10] ip6_route_add+0x1c/0x140 [ 4705.166832][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4705.166832][ T10] addrconf_add_dev+0xe2/0x170 [ 4705.166832][ T10] inet6_addr_add+0x12f/0xa40 [ 4705.166832][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4705.166832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4705.166832][ T10] netlink_rcv_skb+0x130/0x360 [ 4705.166832][ T10] netlink_unicast+0x449/0x710 [ 4705.166832][ T10] netlink_sendmsg+0x723/0xbe0 [ 4705.166832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4705.166832][ T10] ___sys_sendmsg+0xee/0x170 [ 4705.166832][ T10] __sys_sendmsg+0xcd/0x170 [ 4705.166832][ T10] do_syscall_64+0xc6/0x1e0 [ 4705.166832][ T10] [ 4705.169267][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4705.169267][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4705.169267][ T10] ipv6_find_idev+0x102/0x170 [ 4705.169267][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4705.169267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4705.169267][ T10] netlink_rcv_skb+0x130/0x360 [ 4705.169267][ T10] netlink_unicast+0x449/0x710 [ 4705.169267][ T10] netlink_sendmsg+0x723/0xbe0 [ 4705.169267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4705.169267][ T10] ___sys_sendmsg+0xee/0x170 [ 4705.169267][ T10] __sys_sendmsg+0xcd/0x170 [ 4705.169267][ T10] do_syscall_64+0xc6/0x1e0 [ 4705.169267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4705.169267][ T10] [ 4705.171128][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4705.171128][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4705.171128][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4705.171128][ T10] ipv6_find_idev+0x102/0x170 [ 4705.171128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4705.171128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4705.171128][ T10] netlink_rcv_skb+0x130/0x360 [ 4705.171128][ T10] netlink_unicast+0x449/0x710 [ 4705.171128][ T10] netlink_sendmsg+0x723/0xbe0 [ 4705.171128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4705.171128][ T10] ___sys_sendmsg+0xee/0x170 [ 4705.171128][ T10] __sys_sendmsg+0xcd/0x170 [ 4705.171128][ T10] do_syscall_64+0xc6/0x1e0 [ 4705.171128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4705.171128][ T10] [ 4705.173205][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4705.173519][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4705.173519][ T10] netdev_get_by_index+0x5e/0x80 [ 4705.173519][ T10] fib6_nh_init+0x3d8/0x1580 [ 4705.173519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4705.173519][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4705.173519][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4705.173519][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4705.173519][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4705.173519][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4705.173519][ T10] addrconf_dad_begin+0x310/0x670 [ 4705.173519][ T10] addrconf_dad_work+0x10b/0xab0 [ 4705.173519][ T10] process_one_work+0x84d/0x18a0 [ 4705.173519][ T10] worker_thread+0x587/0xd30 [ 4705.173519][ T10] kthread+0x28a/0x350 [ 4705.173519][ T10] ret_from_fork+0x31/0x70 [ 4705.173519][ T10] ret_from_fork_asm+0x1a/0x30 [ 4705.173519][ T10] [ 4705.175862][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4705.175862][ T10] netdev_get_by_index+0x5e/0x80 [ 4705.175862][ T10] fib6_nh_init+0x3d8/0x1580 [ 4705.175862][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4705.175862][ T10] ip6_route_add+0x1c/0x140 [ 4705.175862][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4705.175862][ T10] inet6_addr_add+0x4f8/0xa40 [ 4705.175862][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4705.175862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4705.175862][ T10] netlink_rcv_skb+0x130/0x360 [ 4705.175862][ T10] netlink_unicast+0x449/0x710 [ 4705.175862][ T10] netlink_sendmsg+0x723/0xbe0 [ 4705.175862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4705.175862][ T10] ___sys_sendmsg+0xee/0x170 [ 4705.175862][ T10] __sys_sendmsg+0xcd/0x170 [ 4705.175862][ T10] do_syscall_64+0xc6/0x1e0 [ 4705.175862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4705.175862][ T10] [ 4705.178533][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4705.178533][ T10] netdev_get_by_index+0x5e/0x80 [ 4705.178533][ T10] fib6_nh_init+0x3d8/0x1580 [ 4705.178533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4705.178533][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4705.178533][ T10] ipv6_add_addr+0x411/0x2000 [ 4705.178533][ T10] inet6_addr_add+0x30e/0xa40 [ 4705.178533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4705.178533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4705.178533][ T10] netlink_rcv_skb+0x130/0x360 [ 4705.178533][ T10] netlink_unicast+0x449/0x710 [ 4705.178533][ T10] netlink_sendmsg+0x723/0xbe0 [ 4705.178533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4705.178533][ T10] ___sys_sendmsg+0xee/0x170 [ 4705.178533][ T10] __sys_sendmsg+0xcd/0x170 [ 4705.178533][ T10] do_syscall_64+0xc6/0x1e0 [ 4705.178533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4705.178533][ T10] [ 4705.181253][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4705.181253][ T10] netdev_get_by_index+0x5e/0x80 [ 4705.181253][ T10] fib6_nh_init+0x3d8/0x1580 [ 4705.181253][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4705.181253][ T10] ip6_route_add+0x1c/0x140 [ 4705.181253][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4705.181253][ T10] addrconf_add_dev+0xe2/0x170 [ 4705.181253][ T10] inet6_addr_add+0x12f/0xa40 [ 4705.181253][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4705.181253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4705.181253][ T10] netlink_rcv_skb+0x130/0x360 [ 4705.181253][ T10] netlink_unicast+0x449/0x710 [ 4705.181253][ T10] netlink_sendmsg+0x723/0xbe0 [ 4705.181253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4705.181253][ T10] ___sys_sendmsg+0xee/0x170 [ 4705.181253][ T10] __sys_sendmsg+0xcd/0x170 [ 4705.181253][ T10] do_syscall_64+0xc6/0x1e0 [ 4705.181253][ T10] [ 4705.183940][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4705.183940][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4705.183940][ T10] ipv6_find_idev+0x102/0x170 [ 4705.183940][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4705.183940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4705.183940][ T10] netlink_rcv_skb+0x130/0x360 [ 4705.183940][ T10] netlink_unicast+0x449/0x710 [ 4705.183940][ T10] netlink_sendmsg+0x723/0xbe0 [ 4705.183940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4705.183940][ T10] ___sys_sendmsg+0xee/0x170 [ 4705.183940][ T10] __sys_sendmsg+0xcd/0x170 [ 4705.183940][ T10] do_syscall_64+0xc6/0x1e0 [ 4705.183940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4705.183940][ T10] [ 4705.186018][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4705.186018][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4705.186018][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4705.186018][ T10] ipv6_find_idev+0x102/0x170 [ 4705.186018][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4705.186018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4705.186018][ T10] netlink_rcv_skb+0x130/0x360 [ 4705.186018][ T10] netlink_unicast+0x449/0x710 [ 4705.186018][ T10] netlink_sendmsg+0x723/0xbe0 [ 4705.186018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4705.186018][ T10] ___sys_sendmsg+0xee/0x170 [ 4705.186018][ T10] __sys_sendmsg+0xcd/0x170 [ 4705.186018][ T10] do_syscall_64+0xc6/0x1e0 [ 4705.186018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4705.186018][ T10] [ 4705.188265][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4705.188557][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4705.188557][ T10] netdev_get_by_index+0x5e/0x80 [ 4705.188557][ T10] fib6_nh_init+0x3d8/0x1580 [ 4705.188557][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4705.188557][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4705.188557][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4705.188557][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4705.188557][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4705.188557][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4705.188557][ T10] addrconf_dad_begin+0x310/0x670 [ 4705.188557][ T10] addrconf_dad_work+0x10b/0xab0 [ 4705.188557][ T10] process_one_work+0x84d/0x18a0 [ 4705.188557][ T10] worker_thread+0x587/0xd30 [ 4705.188557][ T10] kthread+0x28a/0x350 [ 4705.188557][ T10] ret_from_fork+0x31/0x70 [ 4705.188557][ T10] ret_from_fork_asm+0x1a/0x30 [ 4705.188557][ T10] [ 4705.191212][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4705.191212][ T10] netdev_get_by_index+0x5e/0x80 [ 4705.191212][ T10] fib6_nh_init+0x3d8/0x1580 [ 4705.191212][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4705.191212][ T10] ip6_route_add+0x1c/0x140 [ 4705.191212][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4705.191212][ T10] inet6_addr_add+0x4f8/0xa40 [ 4705.191212][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4705.191212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4705.191212][ T10] netlink_rcv_skb+0x130/0x360 [ 4705.191212][ T10] netlink_unicast+0x449/0x710 [ 4705.191212][ T10] netlink_sendmsg+0x723/0xbe0 [ 4705.191212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4705.191212][ T10] ___sys_sendmsg+0xee/0x170 [ 4705.191212][ T10] __sys_sendmsg+0xcd/0x170 [ 4705.191212][ T10] do_syscall_64+0xc6/0x1e0 [ 4705.191212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4705.191212][ T10] [ 4705.193914][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4705.193914][ T10] netdev_get_by_index+0x5e/0x80 [ 4705.193914][ T10] fib6_nh_init+0x3d8/0x1580 [ 4705.193914][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4705.193914][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4705.193914][ T10] ipv6_add_addr+0x411/0x2000 [ 4705.193914][ T10] inet6_addr_add+0x30e/0xa40 [ 4705.193914][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4705.193914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4705.193914][ T10] netlink_rcv_skb+0x130/0x360 [ 4705.193914][ T10] netlink_unicast+0x449/0x710 [ 4705.193914][ T10] netlink_sendmsg+0x723/0xbe0 [ 4705.193914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4705.193914][ T10] ___sys_sendmsg+0xee/0x170 [ 4705.193914][ T10] __sys_sendmsg+0xcd/0x170 [ 4705.193914][ T10] do_syscall_64+0xc6/0x1e0 [ 4705.193914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4705.193914][ T10] [ 4705.196549][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4705.196549][ T10] netdev_get_by_index+0x5e/0x80 [ 4705.196549][ T10] fib6_nh_init+0x3d8/0x1580 [ 4705.196549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4705.196549][ T10] ip6_route_add+0x1c/0x140 [ 4705.196549][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4705.196549][ T10] addrconf_add_dev+0xe2/0x170 [ 4705.196549][ T10] inet6_addr_add+0x12f/0xa40 [ 4705.196549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4705.196549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4705.196549][ T10] netlink_rcv_skb+0x130/0x360 [ 4705.196549][ T10] netlink_unicast+0x449/0x710 [ 4705.196549][ T10] netlink_sendmsg+0x723/0xbe0 [ 4705.196549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4705.196549][ T10] ___sys_sendmsg+0xee/0x170 [ 4705.196549][ T10] __sys_sendmsg+0xcd/0x170 [ 4705.196549][ T10] do_syscall_64+0xc6/0x1e0 [ 4705.196549][ T10] [ 4705.199217][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4705.199217][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4705.199217][ T10] ipv6_find_idev+0x102/0x170 [ 4705.199217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4705.199217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4705.199217][ T10] netlink_rcv_skb+0x130/0x360 [ 4705.199217][ T10] netlink_unicast+0x449/0x710 [ 4705.199217][ T10] netlink_sendmsg+0x723/0xbe0 [ 4705.199217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4705.199217][ T10] ___sys_sendmsg+0xee/0x170 [ 4705.199217][ T10] __sys_sendmsg+0xcd/0x170 [ 4705.199217][ T10] do_syscall_64+0xc6/0x1e0 [ 4705.199217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4705.199217][ T10] [ 4705.201296][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4705.201296][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4705.201296][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4705.201296][ T10] ipv6_find_idev+0x102/0x170 [ 4705.201296][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4705.201296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4705.201296][ T10] netlink_rcv_skb+0x130/0x360 [ 4705.201296][ T10] netlink_unicast+0x449/0x710 [ 4705.201296][ T10] netlink_sendmsg+0x723/0xbe0 [ 4705.201296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4705.201296][ T10] ___sys_sendmsg+0xee/0x170 [ 4705.201296][ T10] __sys_sendmsg+0xcd/0x170 [ 4705.201296][ T10] do_syscall_64+0xc6/0x1e0 [ 4705.201296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4705.201296][ T10] [ 4710.241175][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4710.241601][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4710.241601][ T1167] dst_init+0x84/0x4a0 [ 4710.241601][ T1167] dst_alloc+0x97/0x150 [ 4710.241601][ T1167] ip6_dst_alloc+0x23/0x90 [ 4710.241601][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4710.241601][ T1167] ip6_pol_route+0x56f/0x840 [ 4710.241601][ T1167] fib6_rule_lookup+0x334/0x630 [ 4710.241601][ T1167] ip6_route_output_flags+0x259/0x480 [ 4710.241601][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4710.241601][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4710.241601][ T1167] netlink_rcv_skb+0x130/0x360 [ 4710.241601][ T1167] netlink_unicast+0x449/0x710 [ 4710.241601][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4710.241601][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4710.241601][ T1167] ___sys_sendmsg+0xee/0x170 [ 4710.241601][ T1167] __sys_sendmsg+0xcd/0x170 [ 4710.241601][ T1167] do_syscall_64+0xc6/0x1e0 [ 4710.241601][ T1167] [ 4710.244002][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4710.244002][ T1167] netdev_get_by_index+0x5e/0x80 [ 4710.244002][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4710.244002][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4710.244002][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4710.244002][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4710.244002][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4710.244002][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4710.244002][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4710.244002][ T1167] addrconf_dad_begin+0x310/0x670 [ 4710.244002][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4710.244002][ T1167] process_one_work+0x84d/0x18a0 [ 4710.244002][ T1167] worker_thread+0x587/0xd30 [ 4710.244002][ T1167] kthread+0x28a/0x350 [ 4710.244002][ T1167] ret_from_fork+0x31/0x70 [ 4710.244002][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4710.244002][ T1167] [ 4710.246342][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4710.246342][ T1167] netdev_get_by_index+0x5e/0x80 [ 4710.246342][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4710.246342][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4710.246342][ T1167] ip6_route_add+0x1c/0x140 [ 4710.246342][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4710.246342][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4710.246342][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4710.246342][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4710.246342][ T1167] netlink_rcv_skb+0x130/0x360 [ 4710.246342][ T1167] netlink_unicast+0x449/0x710 [ 4710.246342][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4710.246342][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4710.246342][ T1167] ___sys_sendmsg+0xee/0x170 [ 4710.246342][ T1167] __sys_sendmsg+0xcd/0x170 [ 4710.246342][ T1167] do_syscall_64+0xc6/0x1e0 [ 4710.246342][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4710.246342][ T1167] [ 4710.248769][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4710.248769][ T1167] netdev_get_by_index+0x5e/0x80 [ 4710.248769][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4710.248769][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4710.248769][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4710.248769][ T1167] ipv6_add_addr+0x411/0x2000 [ 4710.248769][ T1167] inet6_addr_add+0x30e/0xa40 [ 4710.248769][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4710.248769][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4710.248769][ T1167] netlink_rcv_skb+0x130/0x360 [ 4710.248769][ T1167] netlink_unicast+0x449/0x710 [ 4710.248769][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4710.248769][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4710.248769][ T1167] ___sys_sendmsg+0xee/0x170 [ 4710.248769][ T1167] __sys_sendmsg+0xcd/0x170 [ 4710.248769][ T1167] do_syscall_64+0xc6/0x1e0 [ 4710.248769][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4710.248769][ T1167] [ 4710.251194][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4710.251194][ T1167] netdev_get_by_index+0x5e/0x80 [ 4710.251194][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4710.251194][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4710.251194][ T1167] ip6_route_add+0x1c/0x140 [ 4710.251194][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4710.251194][ T1167] addrconf_add_dev+0xe2/0x170 [ 4710.251194][ T1167] inet6_addr_add+0x12f/0xa40 [ 4710.251194][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4710.251194][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4710.251194][ T1167] netlink_rcv_skb+0x130/0x360 [ 4710.251194][ T1167] netlink_unicast+0x449/0x710 [ 4710.251194][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4710.251194][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4710.251194][ T1167] ___sys_sendmsg+0xee/0x170 [ 4710.251194][ T1167] __sys_sendmsg+0xcd/0x170 [ 4710.251194][ T1167] do_syscall_64+0xc6/0x1e0 [ 4710.251194][ T1167] [ 4710.253585][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4710.253585][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4710.253585][ T1167] ipv6_find_idev+0x102/0x170 [ 4710.253585][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4710.253585][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4710.253585][ T1167] netlink_rcv_skb+0x130/0x360 [ 4710.253585][ T1167] netlink_unicast+0x449/0x710 [ 4710.253585][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4710.253585][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4710.253585][ T1167] ___sys_sendmsg+0xee/0x170 [ 4710.253585][ T1167] __sys_sendmsg+0xcd/0x170 [ 4710.253585][ T1167] do_syscall_64+0xc6/0x1e0 [ 4710.253585][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4710.253585][ T1167] [ 4710.255457][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4710.255457][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4710.255457][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4710.255457][ T1167] ipv6_find_idev+0x102/0x170 [ 4710.255457][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4710.255457][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4710.255457][ T1167] netlink_rcv_skb+0x130/0x360 [ 4710.255457][ T1167] netlink_unicast+0x449/0x710 [ 4710.255457][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4710.255457][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4710.255457][ T1167] ___sys_sendmsg+0xee/0x170 [ 4710.255457][ T1167] __sys_sendmsg+0xcd/0x170 [ 4710.255457][ T1167] do_syscall_64+0xc6/0x1e0 [ 4710.255457][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4710.255457][ T1167] [ 4715.441131][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4715.441548][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4715.441548][ T10] netdev_get_by_index+0x5e/0x80 [ 4715.441548][ T10] fib6_nh_init+0x3d8/0x1580 [ 4715.441548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4715.441548][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4715.441548][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4715.441548][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4715.441548][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4715.441548][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4715.441548][ T10] addrconf_dad_begin+0x310/0x670 [ 4715.441548][ T10] addrconf_dad_work+0x10b/0xab0 [ 4715.441548][ T10] process_one_work+0x84d/0x18a0 [ 4715.441548][ T10] worker_thread+0x587/0xd30 [ 4715.441548][ T10] kthread+0x28a/0x350 [ 4715.441548][ T10] ret_from_fork+0x31/0x70 [ 4715.441548][ T10] ret_from_fork_asm+0x1a/0x30 [ 4715.441548][ T10] [ 4715.443937][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4715.443937][ T10] netdev_get_by_index+0x5e/0x80 [ 4715.443937][ T10] fib6_nh_init+0x3d8/0x1580 [ 4715.443937][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4715.443937][ T10] ip6_route_add+0x1c/0x140 [ 4715.443937][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4715.443937][ T10] inet6_addr_add+0x4f8/0xa40 [ 4715.443937][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4715.443937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4715.443937][ T10] netlink_rcv_skb+0x130/0x360 [ 4715.443937][ T10] netlink_unicast+0x449/0x710 [ 4715.443937][ T10] netlink_sendmsg+0x723/0xbe0 [ 4715.443937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4715.443937][ T10] ___sys_sendmsg+0xee/0x170 [ 4715.443937][ T10] __sys_sendmsg+0xcd/0x170 [ 4715.443937][ T10] do_syscall_64+0xc6/0x1e0 [ 4715.443937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4715.443937][ T10] [ 4715.446415][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4715.446415][ T10] netdev_get_by_index+0x5e/0x80 [ 4715.446415][ T10] fib6_nh_init+0x3d8/0x1580 [ 4715.446415][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4715.446415][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4715.446415][ T10] ipv6_add_addr+0x411/0x2000 [ 4715.446415][ T10] inet6_addr_add+0x30e/0xa40 [ 4715.446415][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4715.446415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4715.446415][ T10] netlink_rcv_skb+0x130/0x360 [ 4715.446415][ T10] netlink_unicast+0x449/0x710 [ 4715.446415][ T10] netlink_sendmsg+0x723/0xbe0 [ 4715.446415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4715.446415][ T10] ___sys_sendmsg+0xee/0x170 [ 4715.446415][ T10] __sys_sendmsg+0xcd/0x170 [ 4715.446415][ T10] do_syscall_64+0xc6/0x1e0 [ 4715.446415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4715.446415][ T10] [ 4715.448867][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4715.448867][ T10] netdev_get_by_index+0x5e/0x80 [ 4715.448867][ T10] fib6_nh_init+0x3d8/0x1580 [ 4715.448867][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4715.448867][ T10] ip6_route_add+0x1c/0x140 [ 4715.448867][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4715.448867][ T10] addrconf_add_dev+0xe2/0x170 [ 4715.448867][ T10] inet6_addr_add+0x12f/0xa40 [ 4715.448867][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4715.448867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4715.448867][ T10] netlink_rcv_skb+0x130/0x360 [ 4715.448867][ T10] netlink_unicast+0x449/0x710 [ 4715.448867][ T10] netlink_sendmsg+0x723/0xbe0 [ 4715.448867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4715.448867][ T10] ___sys_sendmsg+0xee/0x170 [ 4715.448867][ T10] __sys_sendmsg+0xcd/0x170 [ 4715.448867][ T10] do_syscall_64+0xc6/0x1e0 [ 4715.448867][ T10] [ 4715.451271][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4715.451271][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4715.451271][ T10] ipv6_find_idev+0x102/0x170 [ 4715.451271][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4715.451271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4715.451271][ T10] netlink_rcv_skb+0x130/0x360 [ 4715.451271][ T10] netlink_unicast+0x449/0x710 [ 4715.451271][ T10] netlink_sendmsg+0x723/0xbe0 [ 4715.451271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4715.451271][ T10] ___sys_sendmsg+0xee/0x170 [ 4715.451271][ T10] __sys_sendmsg+0xcd/0x170 [ 4715.451271][ T10] do_syscall_64+0xc6/0x1e0 [ 4715.451271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4715.451271][ T10] [ 4715.453152][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4715.453152][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4715.453152][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4715.453152][ T10] ipv6_find_idev+0x102/0x170 [ 4715.453152][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4715.453152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4715.453152][ T10] netlink_rcv_skb+0x130/0x360 [ 4715.453152][ T10] netlink_unicast+0x449/0x710 [ 4715.453152][ T10] netlink_sendmsg+0x723/0xbe0 [ 4715.453152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4715.453152][ T10] ___sys_sendmsg+0xee/0x170 [ 4715.453152][ T10] __sys_sendmsg+0xcd/0x170 [ 4715.453152][ T10] do_syscall_64+0xc6/0x1e0 [ 4715.453152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4715.453152][ T10] [ 4715.455213][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4715.455512][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4715.455512][ T10] netdev_get_by_index+0x5e/0x80 [ 4715.455512][ T10] fib6_nh_init+0x3d8/0x1580 [ 4715.455512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4715.455512][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4715.455512][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4715.455512][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4715.455512][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4715.455512][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4715.455512][ T10] addrconf_dad_begin+0x310/0x670 [ 4715.455512][ T10] addrconf_dad_work+0x10b/0xab0 [ 4715.455512][ T10] process_one_work+0x84d/0x18a0 [ 4715.455512][ T10] worker_thread+0x587/0xd30 [ 4715.455512][ T10] kthread+0x28a/0x350 [ 4715.455512][ T10] ret_from_fork+0x31/0x70 [ 4715.455512][ T10] ret_from_fork_asm+0x1a/0x30 [ 4715.455512][ T10] [ 4715.457866][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4715.457866][ T10] netdev_get_by_index+0x5e/0x80 [ 4715.457866][ T10] fib6_nh_init+0x3d8/0x1580 [ 4715.457866][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4715.457866][ T10] ip6_route_add+0x1c/0x140 [ 4715.457866][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4715.457866][ T10] inet6_addr_add+0x4f8/0xa40 [ 4715.457866][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4715.457866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4715.457866][ T10] netlink_rcv_skb+0x130/0x360 [ 4715.457866][ T10] netlink_unicast+0x449/0x710 [ 4715.457866][ T10] netlink_sendmsg+0x723/0xbe0 [ 4715.457866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4715.457866][ T10] ___sys_sendmsg+0xee/0x170 [ 4715.457866][ T10] __sys_sendmsg+0xcd/0x170 [ 4715.457866][ T10] do_syscall_64+0xc6/0x1e0 [ 4715.457866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4715.457866][ T10] [ 4715.460175][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4715.460175][ T10] netdev_get_by_index+0x5e/0x80 [ 4715.460175][ T10] fib6_nh_init+0x3d8/0x1580 [ 4715.460175][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4715.460175][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4715.460175][ T10] ipv6_add_addr+0x411/0x2000 [ 4715.460175][ T10] inet6_addr_add+0x30e/0xa40 [ 4715.460175][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4715.460175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4715.460175][ T10] netlink_rcv_skb+0x130/0x360 [ 4715.460175][ T10] netlink_unicast+0x449/0x710 [ 4715.460175][ T10] netlink_sendmsg+0x723/0xbe0 [ 4715.460175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4715.460175][ T10] ___sys_sendmsg+0xee/0x170 [ 4715.460175][ T10] __sys_sendmsg+0xcd/0x170 [ 4715.460175][ T10] do_syscall_64+0xc6/0x1e0 [ 4715.460175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4715.460175][ T10] [ 4715.462217][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4715.462217][ T10] netdev_get_by_index+0x5e/0x80 [ 4715.462217][ T10] fib6_nh_init+0x3d8/0x1580 [ 4715.462217][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4715.462217][ T10] ip6_route_add+0x1c/0x140 [ 4715.462217][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4715.462217][ T10] addrconf_add_dev+0xe2/0x170 [ 4715.462217][ T10] inet6_addr_add+0x12f/0xa40 [ 4715.462217][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4715.462217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4715.462217][ T10] netlink_rcv_skb+0x130/0x360 [ 4715.462217][ T10] netlink_unicast+0x449/0x710 [ 4715.462217][ T10] netlink_sendmsg+0x723/0xbe0 [ 4715.462217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4715.462217][ T10] ___sys_sendmsg+0xee/0x170 [ 4715.462217][ T10] __sys_sendmsg+0xcd/0x170 [ 4715.462217][ T10] do_syscall_64+0xc6/0x1e0 [ 4715.462217][ T10] [ 4715.464206][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4715.464206][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4715.464206][ T10] ipv6_find_idev+0x102/0x170 [ 4715.464206][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4715.464206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4715.464206][ T10] netlink_rcv_skb+0x130/0x360 [ 4715.464206][ T10] netlink_unicast+0x449/0x710 [ 4715.464206][ T10] netlink_sendmsg+0x723/0xbe0 [ 4715.464206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4715.464206][ T10] ___sys_sendmsg+0xee/0x170 [ 4715.464206][ T10] __sys_sendmsg+0xcd/0x170 [ 4715.464206][ T10] do_syscall_64+0xc6/0x1e0 [ 4715.464206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4715.464206][ T10] [ 4715.465788][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4715.465788][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4715.465788][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4715.465788][ T10] ipv6_find_idev+0x102/0x170 [ 4715.465788][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4715.465788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4715.465788][ T10] netlink_rcv_skb+0x130/0x360 [ 4715.465788][ T10] netlink_unicast+0x449/0x710 [ 4715.465788][ T10] netlink_sendmsg+0x723/0xbe0 [ 4715.465788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4715.465788][ T10] ___sys_sendmsg+0xee/0x170 [ 4715.465788][ T10] __sys_sendmsg+0xcd/0x170 [ 4715.465788][ T10] do_syscall_64+0xc6/0x1e0 [ 4715.465788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4715.465788][ T10] [ 4715.467534][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4715.467787][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4715.467787][ T10] netdev_get_by_index+0x5e/0x80 [ 4715.467787][ T10] fib6_nh_init+0x3d8/0x1580 [ 4715.467787][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4715.467787][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4715.467787][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4715.467787][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4715.467787][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4715.467787][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4715.467787][ T10] addrconf_dad_begin+0x310/0x670 [ 4715.467787][ T10] addrconf_dad_work+0x10b/0xab0 [ 4715.467787][ T10] process_one_work+0x84d/0x18a0 [ 4715.467787][ T10] worker_thread+0x587/0xd30 [ 4715.467787][ T10] kthread+0x28a/0x350 [ 4715.467787][ T10] ret_from_fork+0x31/0x70 [ 4715.467787][ T10] ret_from_fork_asm+0x1a/0x30 [ 4715.467787][ T10] [ 4715.469833][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4715.469833][ T10] netdev_get_by_index+0x5e/0x80 [ 4715.469833][ T10] fib6_nh_init+0x3d8/0x1580 [ 4715.469833][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4715.469833][ T10] ip6_route_add+0x1c/0x140 [ 4715.469833][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4715.469833][ T10] inet6_addr_add+0x4f8/0xa40 [ 4715.469833][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4715.469833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4715.469833][ T10] netlink_rcv_skb+0x130/0x360 [ 4715.469833][ T10] netlink_unicast+0x449/0x710 [ 4715.469833][ T10] netlink_sendmsg+0x723/0xbe0 [ 4715.469833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4715.469833][ T10] ___sys_sendmsg+0xee/0x170 [ 4715.469833][ T10] __sys_sendmsg+0xcd/0x170 [ 4715.469833][ T10] do_syscall_64+0xc6/0x1e0 [ 4715.469833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4715.469833][ T10] [ 4715.472472][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4715.472472][ T10] netdev_get_by_index+0x5e/0x80 [ 4715.472472][ T10] fib6_nh_init+0x3d8/0x1580 [ 4715.472472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4715.472472][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4715.472472][ T10] ipv6_add_addr+0x411/0x2000 [ 4715.472472][ T10] inet6_addr_add+0x30e/0xa40 [ 4715.472472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4715.472472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4715.472472][ T10] netlink_rcv_skb+0x130/0x360 [ 4715.472472][ T10] netlink_unicast+0x449/0x710 [ 4715.472472][ T10] netlink_sendmsg+0x723/0xbe0 [ 4715.472472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4715.472472][ T10] ___sys_sendmsg+0xee/0x170 [ 4715.472472][ T10] __sys_sendmsg+0xcd/0x170 [ 4715.472472][ T10] do_syscall_64+0xc6/0x1e0 [ 4715.472472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4715.472472][ T10] [ 4715.475169][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4715.475169][ T10] netdev_get_by_index+0x5e/0x80 [ 4715.475169][ T10] fib6_nh_init+0x3d8/0x1580 [ 4715.475169][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4715.475169][ T10] ip6_route_add+0x1c/0x140 [ 4715.475169][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4715.475169][ T10] addrconf_add_dev+0xe2/0x170 [ 4715.475169][ T10] inet6_addr_add+0x12f/0xa40 [ 4715.475169][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4715.475169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4715.475169][ T10] netlink_rcv_skb+0x130/0x360 [ 4715.475169][ T10] netlink_unicast+0x449/0x710 [ 4715.475169][ T10] netlink_sendmsg+0x723/0xbe0 [ 4715.475169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4715.475169][ T10] ___sys_sendmsg+0xee/0x170 [ 4715.475169][ T10] __sys_sendmsg+0xcd/0x170 [ 4715.475169][ T10] do_syscall_64+0xc6/0x1e0 [ 4715.475169][ T10] [ 4715.477814][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4715.477814][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4715.477814][ T10] ipv6_find_idev+0x102/0x170 [ 4715.477814][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4715.477814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4715.477814][ T10] netlink_rcv_skb+0x130/0x360 [ 4715.477814][ T10] netlink_unicast+0x449/0x710 [ 4715.477814][ T10] netlink_sendmsg+0x723/0xbe0 [ 4715.477814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4715.477814][ T10] ___sys_sendmsg+0xee/0x170 [ 4715.477814][ T10] __sys_sendmsg+0xcd/0x170 [ 4715.477814][ T10] do_syscall_64+0xc6/0x1e0 [ 4715.477814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4715.477814][ T10] [ 4715.479880][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4715.479880][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4715.479880][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4715.479880][ T10] ipv6_find_idev+0x102/0x170 [ 4715.479880][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4715.479880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4715.479880][ T10] netlink_rcv_skb+0x130/0x360 [ 4715.479880][ T10] netlink_unicast+0x449/0x710 [ 4715.479880][ T10] netlink_sendmsg+0x723/0xbe0 [ 4715.479880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4715.479880][ T10] ___sys_sendmsg+0xee/0x170 [ 4715.479880][ T10] __sys_sendmsg+0xcd/0x170 [ 4715.479880][ T10] do_syscall_64+0xc6/0x1e0 [ 4715.479880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4715.479880][ T10] [ 4715.482196][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4715.482497][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4715.482497][ T10] netdev_get_by_index+0x5e/0x80 [ 4715.482497][ T10] fib6_nh_init+0x3d8/0x1580 [ 4715.482497][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4715.482497][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4715.482497][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4715.482497][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4715.482497][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4715.482497][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4715.482497][ T10] addrconf_dad_begin+0x310/0x670 [ 4715.482497][ T10] addrconf_dad_work+0x10b/0xab0 [ 4715.482497][ T10] process_one_work+0x84d/0x18a0 [ 4715.482497][ T10] worker_thread+0x587/0xd30 [ 4715.482497][ T10] kthread+0x28a/0x350 [ 4715.482497][ T10] ret_from_fork+0x31/0x70 [ 4715.482497][ T10] ret_from_fork_asm+0x1a/0x30 [ 4715.482497][ T10] [ 4715.485067][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4715.485067][ T10] netdev_get_by_index+0x5e/0x80 [ 4715.485067][ T10] fib6_nh_init+0x3d8/0x1580 [ 4715.485067][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4715.485067][ T10] ip6_route_add+0x1c/0x140 [ 4715.485067][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4715.485067][ T10] inet6_addr_add+0x4f8/0xa40 [ 4715.485067][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4715.485067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4715.485067][ T10] netlink_rcv_skb+0x130/0x360 [ 4715.485067][ T10] netlink_unicast+0x449/0x710 [ 4715.485067][ T10] netlink_sendmsg+0x723/0xbe0 [ 4715.485067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4715.485067][ T10] ___sys_sendmsg+0xee/0x170 [ 4715.485067][ T10] __sys_sendmsg+0xcd/0x170 [ 4715.485067][ T10] do_syscall_64+0xc6/0x1e0 [ 4715.485067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4715.485067][ T10] [ 4715.487776][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4715.487776][ T10] netdev_get_by_index+0x5e/0x80 [ 4715.487776][ T10] fib6_nh_init+0x3d8/0x1580 [ 4715.487776][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4715.487776][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4715.487776][ T10] ipv6_add_addr+0x411/0x2000 [ 4715.487776][ T10] inet6_addr_add+0x30e/0xa40 [ 4715.487776][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4715.487776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4715.487776][ T10] netlink_rcv_skb+0x130/0x360 [ 4715.487776][ T10] netlink_unicast+0x449/0x710 [ 4715.487776][ T10] netlink_sendmsg+0x723/0xbe0 [ 4715.487776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4715.487776][ T10] ___sys_sendmsg+0xee/0x170 [ 4715.487776][ T10] __sys_sendmsg+0xcd/0x170 [ 4715.487776][ T10] do_syscall_64+0xc6/0x1e0 [ 4715.487776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4715.487776][ T10] [ 4715.490389][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4715.490389][ T10] netdev_get_by_index+0x5e/0x80 [ 4715.490389][ T10] fib6_nh_init+0x3d8/0x1580 [ 4715.490389][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4715.490389][ T10] ip6_route_add+0x1c/0x140 [ 4715.490389][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4715.490389][ T10] addrconf_add_dev+0xe2/0x170 [ 4715.490389][ T10] inet6_addr_add+0x12f/0xa40 [ 4715.490389][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4715.490389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4715.490389][ T10] netlink_rcv_skb+0x130/0x360 [ 4715.490389][ T10] netlink_unicast+0x449/0x710 [ 4715.490389][ T10] netlink_sendmsg+0x723/0xbe0 [ 4715.490389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4715.490389][ T10] ___sys_sendmsg+0xee/0x170 [ 4715.490389][ T10] __sys_sendmsg+0xcd/0x170 [ 4715.490389][ T10] do_syscall_64+0xc6/0x1e0 [ 4715.490389][ T10] [ 4715.493091][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4715.493091][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4715.493091][ T10] ipv6_find_idev+0x102/0x170 [ 4715.493091][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4715.493091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4715.493091][ T10] netlink_rcv_skb+0x130/0x360 [ 4715.493091][ T10] netlink_unicast+0x449/0x710 [ 4715.493091][ T10] netlink_sendmsg+0x723/0xbe0 [ 4715.493091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4715.493091][ T10] ___sys_sendmsg+0xee/0x170 [ 4715.493091][ T10] __sys_sendmsg+0xcd/0x170 [ 4715.493091][ T10] do_syscall_64+0xc6/0x1e0 [ 4715.493091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4715.493091][ T10] [ 4715.495154][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4715.495154][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4715.495154][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4715.495154][ T10] ipv6_find_idev+0x102/0x170 [ 4715.495154][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4715.495154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4715.495154][ T10] netlink_rcv_skb+0x130/0x360 [ 4715.495154][ T10] netlink_unicast+0x449/0x710 [ 4715.495154][ T10] netlink_sendmsg+0x723/0xbe0 [ 4715.495154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4715.495154][ T10] ___sys_sendmsg+0xee/0x170 [ 4715.495154][ T10] __sys_sendmsg+0xcd/0x170 [ 4715.495154][ T10] do_syscall_64+0xc6/0x1e0 [ 4715.495154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4715.495154][ T10] [ 4720.497119][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4720.497574][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4720.497574][ T1167] dst_init+0x84/0x4a0 [ 4720.497574][ T1167] dst_alloc+0x97/0x150 [ 4720.497574][ T1167] ip6_dst_alloc+0x23/0x90 [ 4720.497574][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4720.497574][ T1167] ip6_pol_route+0x56f/0x840 [ 4720.497574][ T1167] fib6_rule_lookup+0x334/0x630 [ 4720.497574][ T1167] ip6_route_output_flags+0x259/0x480 [ 4720.497574][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4720.497574][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4720.497574][ T1167] netlink_rcv_skb+0x130/0x360 [ 4720.497574][ T1167] netlink_unicast+0x449/0x710 [ 4720.497574][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4720.497574][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4720.497574][ T1167] ___sys_sendmsg+0xee/0x170 [ 4720.497574][ T1167] __sys_sendmsg+0xcd/0x170 [ 4720.497574][ T1167] do_syscall_64+0xc6/0x1e0 [ 4720.497574][ T1167] [ 4720.499950][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4720.499950][ T1167] netdev_get_by_index+0x5e/0x80 [ 4720.499950][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4720.499950][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4720.499950][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4720.499950][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4720.499950][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4720.499950][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4720.499950][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4720.499950][ T1167] addrconf_dad_begin+0x310/0x670 [ 4720.499950][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4720.499950][ T1167] process_one_work+0x84d/0x18a0 [ 4720.499950][ T1167] worker_thread+0x587/0xd30 [ 4720.499950][ T1167] kthread+0x28a/0x350 [ 4720.499950][ T1167] ret_from_fork+0x31/0x70 [ 4720.499950][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4720.499950][ T1167] [ 4720.502275][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4720.502275][ T1167] netdev_get_by_index+0x5e/0x80 [ 4720.502275][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4720.502275][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4720.502275][ T1167] ip6_route_add+0x1c/0x140 [ 4720.502275][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4720.502275][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4720.502275][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4720.502275][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4720.502275][ T1167] netlink_rcv_skb+0x130/0x360 [ 4720.502275][ T1167] netlink_unicast+0x449/0x710 [ 4720.502275][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4720.502275][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4720.502275][ T1167] ___sys_sendmsg+0xee/0x170 [ 4720.502275][ T1167] __sys_sendmsg+0xcd/0x170 [ 4720.502275][ T1167] do_syscall_64+0xc6/0x1e0 [ 4720.502275][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4720.502275][ T1167] [ 4720.504720][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4720.504720][ T1167] netdev_get_by_index+0x5e/0x80 [ 4720.504720][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4720.504720][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4720.504720][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4720.504720][ T1167] ipv6_add_addr+0x411/0x2000 [ 4720.504720][ T1167] inet6_addr_add+0x30e/0xa40 [ 4720.504720][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4720.504720][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4720.504720][ T1167] netlink_rcv_skb+0x130/0x360 [ 4720.504720][ T1167] netlink_unicast+0x449/0x710 [ 4720.504720][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4720.504720][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4720.504720][ T1167] ___sys_sendmsg+0xee/0x170 [ 4720.504720][ T1167] __sys_sendmsg+0xcd/0x170 [ 4720.504720][ T1167] do_syscall_64+0xc6/0x1e0 [ 4720.504720][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4720.504720][ T1167] [ 4720.507169][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4720.507169][ T1167] netdev_get_by_index+0x5e/0x80 [ 4720.507169][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4720.507169][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4720.507169][ T1167] ip6_route_add+0x1c/0x140 [ 4720.507169][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4720.507169][ T1167] addrconf_add_dev+0xe2/0x170 [ 4720.507169][ T1167] inet6_addr_add+0x12f/0xa40 [ 4720.507169][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4720.507169][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4720.507169][ T1167] netlink_rcv_skb+0x130/0x360 [ 4720.507169][ T1167] netlink_unicast+0x449/0x710 [ 4720.507169][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4720.507169][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4720.507169][ T1167] ___sys_sendmsg+0xee/0x170 [ 4720.507169][ T1167] __sys_sendmsg+0xcd/0x170 [ 4720.507169][ T1167] do_syscall_64+0xc6/0x1e0 [ 4720.507169][ T1167] [ 4720.509555][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4720.509555][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4720.509555][ T1167] ipv6_find_idev+0x102/0x170 [ 4720.509555][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4720.509555][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4720.509555][ T1167] netlink_rcv_skb+0x130/0x360 [ 4720.509555][ T1167] netlink_unicast+0x449/0x710 [ 4720.509555][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4720.509555][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4720.509555][ T1167] ___sys_sendmsg+0xee/0x170 [ 4720.509555][ T1167] __sys_sendmsg+0xcd/0x170 [ 4720.509555][ T1167] do_syscall_64+0xc6/0x1e0 [ 4720.509555][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4720.509555][ T1167] [ 4720.511434][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4720.511434][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4720.511434][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4720.511434][ T1167] ipv6_find_idev+0x102/0x170 [ 4720.511434][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4720.511434][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4720.511434][ T1167] netlink_rcv_skb+0x130/0x360 [ 4720.511434][ T1167] netlink_unicast+0x449/0x710 [ 4720.511434][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4720.511434][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4720.511434][ T1167] ___sys_sendmsg+0xee/0x170 [ 4720.511434][ T1167] __sys_sendmsg+0xcd/0x170 [ 4720.511434][ T1167] do_syscall_64+0xc6/0x1e0 [ 4720.511434][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4720.511434][ T1167] [ 4725.737059][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4725.737513][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4725.737513][ T10] netdev_get_by_index+0x5e/0x80 [ 4725.737513][ T10] fib6_nh_init+0x3d8/0x1580 [ 4725.737513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4725.737513][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4725.737513][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4725.737513][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4725.737513][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4725.737513][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4725.737513][ T10] addrconf_dad_begin+0x310/0x670 [ 4725.737513][ T10] addrconf_dad_work+0x10b/0xab0 [ 4725.737513][ T10] process_one_work+0x84d/0x18a0 [ 4725.737513][ T10] worker_thread+0x587/0xd30 [ 4725.737513][ T10] kthread+0x28a/0x350 [ 4725.737513][ T10] ret_from_fork+0x31/0x70 [ 4725.737513][ T10] ret_from_fork_asm+0x1a/0x30 [ 4725.737513][ T10] [ 4725.739872][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4725.739872][ T10] netdev_get_by_index+0x5e/0x80 [ 4725.739872][ T10] fib6_nh_init+0x3d8/0x1580 [ 4725.739872][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4725.739872][ T10] ip6_route_add+0x1c/0x140 [ 4725.739872][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4725.739872][ T10] inet6_addr_add+0x4f8/0xa40 [ 4725.739872][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4725.739872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4725.739872][ T10] netlink_rcv_skb+0x130/0x360 [ 4725.739872][ T10] netlink_unicast+0x449/0x710 [ 4725.739872][ T10] netlink_sendmsg+0x723/0xbe0 [ 4725.739872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4725.739872][ T10] ___sys_sendmsg+0xee/0x170 [ 4725.739872][ T10] __sys_sendmsg+0xcd/0x170 [ 4725.739872][ T10] do_syscall_64+0xc6/0x1e0 [ 4725.739872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4725.739872][ T10] [ 4725.742336][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4725.742336][ T10] netdev_get_by_index+0x5e/0x80 [ 4725.742336][ T10] fib6_nh_init+0x3d8/0x1580 [ 4725.742336][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4725.742336][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4725.742336][ T10] ipv6_add_addr+0x411/0x2000 [ 4725.742336][ T10] inet6_addr_add+0x30e/0xa40 [ 4725.742336][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4725.742336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4725.742336][ T10] netlink_rcv_skb+0x130/0x360 [ 4725.742336][ T10] netlink_unicast+0x449/0x710 [ 4725.742336][ T10] netlink_sendmsg+0x723/0xbe0 [ 4725.742336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4725.742336][ T10] ___sys_sendmsg+0xee/0x170 [ 4725.742336][ T10] __sys_sendmsg+0xcd/0x170 [ 4725.742336][ T10] do_syscall_64+0xc6/0x1e0 [ 4725.742336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4725.742336][ T10] [ 4725.744773][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4725.744773][ T10] netdev_get_by_index+0x5e/0x80 [ 4725.744773][ T10] fib6_nh_init+0x3d8/0x1580 [ 4725.744773][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4725.744773][ T10] ip6_route_add+0x1c/0x140 [ 4725.744773][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4725.744773][ T10] addrconf_add_dev+0xe2/0x170 [ 4725.744773][ T10] inet6_addr_add+0x12f/0xa40 [ 4725.744773][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4725.744773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4725.744773][ T10] netlink_rcv_skb+0x130/0x360 [ 4725.744773][ T10] netlink_unicast+0x449/0x710 [ 4725.744773][ T10] netlink_sendmsg+0x723/0xbe0 [ 4725.744773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4725.744773][ T10] ___sys_sendmsg+0xee/0x170 [ 4725.744773][ T10] __sys_sendmsg+0xcd/0x170 [ 4725.744773][ T10] do_syscall_64+0xc6/0x1e0 [ 4725.744773][ T10] [ 4725.747214][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4725.747214][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4725.747214][ T10] ipv6_find_idev+0x102/0x170 [ 4725.747214][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4725.747214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4725.747214][ T10] netlink_rcv_skb+0x130/0x360 [ 4725.747214][ T10] netlink_unicast+0x449/0x710 [ 4725.747214][ T10] netlink_sendmsg+0x723/0xbe0 [ 4725.747214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4725.747214][ T10] ___sys_sendmsg+0xee/0x170 [ 4725.747214][ T10] __sys_sendmsg+0xcd/0x170 [ 4725.747214][ T10] do_syscall_64+0xc6/0x1e0 [ 4725.747214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4725.747214][ T10] [ 4725.749102][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4725.749102][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4725.749102][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4725.749102][ T10] ipv6_find_idev+0x102/0x170 [ 4725.749102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4725.749102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4725.749102][ T10] netlink_rcv_skb+0x130/0x360 [ 4725.749102][ T10] netlink_unicast+0x449/0x710 [ 4725.749102][ T10] netlink_sendmsg+0x723/0xbe0 [ 4725.749102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4725.749102][ T10] ___sys_sendmsg+0xee/0x170 [ 4725.749102][ T10] __sys_sendmsg+0xcd/0x170 [ 4725.749102][ T10] do_syscall_64+0xc6/0x1e0 [ 4725.749102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4725.749102][ T10] [ 4725.751175][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4725.751466][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4725.751466][ T10] netdev_get_by_index+0x5e/0x80 [ 4725.751466][ T10] fib6_nh_init+0x3d8/0x1580 [ 4725.751466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4725.751466][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4725.751466][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4725.751466][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4725.751466][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4725.751466][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4725.751466][ T10] addrconf_dad_begin+0x310/0x670 [ 4725.751466][ T10] addrconf_dad_work+0x10b/0xab0 [ 4725.751466][ T10] process_one_work+0x84d/0x18a0 [ 4725.751466][ T10] worker_thread+0x587/0xd30 [ 4725.751466][ T10] kthread+0x28a/0x350 [ 4725.751466][ T10] ret_from_fork+0x31/0x70 [ 4725.751466][ T10] ret_from_fork_asm+0x1a/0x30 [ 4725.751466][ T10] [ 4725.753817][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4725.753817][ T10] netdev_get_by_index+0x5e/0x80 [ 4725.753817][ T10] fib6_nh_init+0x3d8/0x1580 [ 4725.753817][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4725.753817][ T10] ip6_route_add+0x1c/0x140 [ 4725.753817][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4725.753817][ T10] inet6_addr_add+0x4f8/0xa40 [ 4725.753817][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4725.753817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4725.753817][ T10] netlink_rcv_skb+0x130/0x360 [ 4725.753817][ T10] netlink_unicast+0x449/0x710 [ 4725.753817][ T10] netlink_sendmsg+0x723/0xbe0 [ 4725.753817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4725.753817][ T10] ___sys_sendmsg+0xee/0x170 [ 4725.753817][ T10] __sys_sendmsg+0xcd/0x170 [ 4725.753817][ T10] do_syscall_64+0xc6/0x1e0 [ 4725.753817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4725.753817][ T10] [ 4725.756278][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4725.756278][ T10] netdev_get_by_index+0x5e/0x80 [ 4725.756278][ T10] fib6_nh_init+0x3d8/0x1580 [ 4725.756278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4725.756278][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4725.756278][ T10] ipv6_add_addr+0x411/0x2000 [ 4725.756278][ T10] inet6_addr_add+0x30e/0xa40 [ 4725.756278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4725.756278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4725.756278][ T10] netlink_rcv_skb+0x130/0x360 [ 4725.756278][ T10] netlink_unicast+0x449/0x710 [ 4725.756278][ T10] netlink_sendmsg+0x723/0xbe0 [ 4725.756278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4725.756278][ T10] ___sys_sendmsg+0xee/0x170 [ 4725.756278][ T10] __sys_sendmsg+0xcd/0x170 [ 4725.756278][ T10] do_syscall_64+0xc6/0x1e0 [ 4725.756278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4725.756278][ T10] [ 4725.758739][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4725.758739][ T10] netdev_get_by_index+0x5e/0x80 [ 4725.758739][ T10] fib6_nh_init+0x3d8/0x1580 [ 4725.758739][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4725.758739][ T10] ip6_route_add+0x1c/0x140 [ 4725.758739][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4725.758739][ T10] addrconf_add_dev+0xe2/0x170 [ 4725.758739][ T10] inet6_addr_add+0x12f/0xa40 [ 4725.758739][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4725.758739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4725.758739][ T10] netlink_rcv_skb+0x130/0x360 [ 4725.758739][ T10] netlink_unicast+0x449/0x710 [ 4725.758739][ T10] netlink_sendmsg+0x723/0xbe0 [ 4725.758739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4725.758739][ T10] ___sys_sendmsg+0xee/0x170 [ 4725.758739][ T10] __sys_sendmsg+0xcd/0x170 [ 4725.758739][ T10] do_syscall_64+0xc6/0x1e0 [ 4725.758739][ T10] [ 4725.761147][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4725.761147][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4725.761147][ T10] ipv6_find_idev+0x102/0x170 [ 4725.761147][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4725.761147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4725.761147][ T10] netlink_rcv_skb+0x130/0x360 [ 4725.761147][ T10] netlink_unicast+0x449/0x710 [ 4725.761147][ T10] netlink_sendmsg+0x723/0xbe0 [ 4725.761147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4725.761147][ T10] ___sys_sendmsg+0xee/0x170 [ 4725.761147][ T10] __sys_sendmsg+0xcd/0x170 [ 4725.761147][ T10] do_syscall_64+0xc6/0x1e0 [ 4725.761147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4725.761147][ T10] [ 4725.763036][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4725.763036][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4725.763036][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4725.763036][ T10] ipv6_find_idev+0x102/0x170 [ 4725.763036][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4725.763036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4725.763036][ T10] netlink_rcv_skb+0x130/0x360 [ 4725.763036][ T10] netlink_unicast+0x449/0x710 [ 4725.763036][ T10] netlink_sendmsg+0x723/0xbe0 [ 4725.763036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4725.763036][ T10] ___sys_sendmsg+0xee/0x170 [ 4725.763036][ T10] __sys_sendmsg+0xcd/0x170 [ 4725.763036][ T10] do_syscall_64+0xc6/0x1e0 [ 4725.763036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4725.763036][ T10] [ 4725.765106][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4725.765397][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4725.765397][ T10] netdev_get_by_index+0x5e/0x80 [ 4725.765397][ T10] fib6_nh_init+0x3d8/0x1580 [ 4725.765397][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4725.765397][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4725.765397][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4725.765397][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4725.765397][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4725.765397][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4725.765397][ T10] addrconf_dad_begin+0x310/0x670 [ 4725.765397][ T10] addrconf_dad_work+0x10b/0xab0 [ 4725.765397][ T10] process_one_work+0x84d/0x18a0 [ 4725.765397][ T10] worker_thread+0x587/0xd30 [ 4725.765397][ T10] kthread+0x28a/0x350 [ 4725.765397][ T10] ret_from_fork+0x31/0x70 [ 4725.765397][ T10] ret_from_fork_asm+0x1a/0x30 [ 4725.765397][ T10] [ 4725.767756][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4725.767756][ T10] netdev_get_by_index+0x5e/0x80 [ 4725.767756][ T10] fib6_nh_init+0x3d8/0x1580 [ 4725.767756][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4725.767756][ T10] ip6_route_add+0x1c/0x140 [ 4725.767756][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4725.767756][ T10] inet6_addr_add+0x4f8/0xa40 [ 4725.767756][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4725.767756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4725.767756][ T10] netlink_rcv_skb+0x130/0x360 [ 4725.767756][ T10] netlink_unicast+0x449/0x710 [ 4725.767756][ T10] netlink_sendmsg+0x723/0xbe0 [ 4725.767756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4725.767756][ T10] ___sys_sendmsg+0xee/0x170 [ 4725.767756][ T10] __sys_sendmsg+0xcd/0x170 [ 4725.767756][ T10] do_syscall_64+0xc6/0x1e0 [ 4725.767756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4725.767756][ T10] [ 4725.770385][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4725.770385][ T10] netdev_get_by_index+0x5e/0x80 [ 4725.770385][ T10] fib6_nh_init+0x3d8/0x1580 [ 4725.770385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4725.770385][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4725.770385][ T10] ipv6_add_addr+0x411/0x2000 [ 4725.770385][ T10] inet6_addr_add+0x30e/0xa40 [ 4725.770385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4725.770385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4725.770385][ T10] netlink_rcv_skb+0x130/0x360 [ 4725.770385][ T10] netlink_unicast+0x449/0x710 [ 4725.770385][ T10] netlink_sendmsg+0x723/0xbe0 [ 4725.770385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4725.770385][ T10] ___sys_sendmsg+0xee/0x170 [ 4725.770385][ T10] __sys_sendmsg+0xcd/0x170 [ 4725.770385][ T10] do_syscall_64+0xc6/0x1e0 [ 4725.770385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4725.770385][ T10] [ 4725.773107][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4725.773107][ T10] netdev_get_by_index+0x5e/0x80 [ 4725.773107][ T10] fib6_nh_init+0x3d8/0x1580 [ 4725.773107][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4725.773107][ T10] ip6_route_add+0x1c/0x140 [ 4725.773107][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4725.773107][ T10] addrconf_add_dev+0xe2/0x170 [ 4725.773107][ T10] inet6_addr_add+0x12f/0xa40 [ 4725.773107][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4725.773107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4725.773107][ T10] netlink_rcv_skb+0x130/0x360 [ 4725.773107][ T10] netlink_unicast+0x449/0x710 [ 4725.773107][ T10] netlink_sendmsg+0x723/0xbe0 [ 4725.773107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4725.773107][ T10] ___sys_sendmsg+0xee/0x170 [ 4725.773107][ T10] __sys_sendmsg+0xcd/0x170 [ 4725.773107][ T10] do_syscall_64+0xc6/0x1e0 [ 4725.773107][ T10] [ 4725.775767][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4725.775767][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4725.775767][ T10] ipv6_find_idev+0x102/0x170 [ 4725.775767][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4725.775767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4725.775767][ T10] netlink_rcv_skb+0x130/0x360 [ 4725.775767][ T10] netlink_unicast+0x449/0x710 [ 4725.775767][ T10] netlink_sendmsg+0x723/0xbe0 [ 4725.775767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4725.775767][ T10] ___sys_sendmsg+0xee/0x170 [ 4725.775767][ T10] __sys_sendmsg+0xcd/0x170 [ 4725.775767][ T10] do_syscall_64+0xc6/0x1e0 [ 4725.775767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4725.775767][ T10] [ 4725.777915][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4725.777915][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4725.777915][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4725.777915][ T10] ipv6_find_idev+0x102/0x170 [ 4725.777915][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4725.777915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4725.777915][ T10] netlink_rcv_skb+0x130/0x360 [ 4725.777915][ T10] netlink_unicast+0x449/0x710 [ 4725.777915][ T10] netlink_sendmsg+0x723/0xbe0 [ 4725.777915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4725.777915][ T10] ___sys_sendmsg+0xee/0x170 [ 4725.777915][ T10] __sys_sendmsg+0xcd/0x170 [ 4725.777915][ T10] do_syscall_64+0xc6/0x1e0 [ 4725.777915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4725.777915][ T10] [ 4725.780156][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4725.780452][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4725.780452][ T10] netdev_get_by_index+0x5e/0x80 [ 4725.780452][ T10] fib6_nh_init+0x3d8/0x1580 [ 4725.780452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4725.780452][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4725.780452][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4725.780452][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4725.780452][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4725.780452][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4725.780452][ T10] addrconf_dad_begin+0x310/0x670 [ 4725.780452][ T10] addrconf_dad_work+0x10b/0xab0 [ 4725.780452][ T10] process_one_work+0x84d/0x18a0 [ 4725.780452][ T10] worker_thread+0x587/0xd30 [ 4725.780452][ T10] kthread+0x28a/0x350 [ 4725.780452][ T10] ret_from_fork+0x31/0x70 [ 4725.780452][ T10] ret_from_fork_asm+0x1a/0x30 [ 4725.780452][ T10] [ 4725.783006][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4725.783006][ T10] netdev_get_by_index+0x5e/0x80 [ 4725.783006][ T10] fib6_nh_init+0x3d8/0x1580 [ 4725.783006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4725.783006][ T10] ip6_route_add+0x1c/0x140 [ 4725.783006][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4725.783006][ T10] inet6_addr_add+0x4f8/0xa40 [ 4725.783006][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4725.783006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4725.783006][ T10] netlink_rcv_skb+0x130/0x360 [ 4725.783006][ T10] netlink_unicast+0x449/0x710 [ 4725.783006][ T10] netlink_sendmsg+0x723/0xbe0 [ 4725.783006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4725.783006][ T10] ___sys_sendmsg+0xee/0x170 [ 4725.783006][ T10] __sys_sendmsg+0xcd/0x170 [ 4725.783006][ T10] do_syscall_64+0xc6/0x1e0 [ 4725.783006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4725.783006][ T10] [ 4725.785724][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4725.785724][ T10] netdev_get_by_index+0x5e/0x80 [ 4725.785724][ T10] fib6_nh_init+0x3d8/0x1580 [ 4725.785724][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4725.785724][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4725.785724][ T10] ipv6_add_addr+0x411/0x2000 [ 4725.785724][ T10] inet6_addr_add+0x30e/0xa40 [ 4725.785724][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4725.785724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4725.785724][ T10] netlink_rcv_skb+0x130/0x360 [ 4725.785724][ T10] netlink_unicast+0x449/0x710 [ 4725.785724][ T10] netlink_sendmsg+0x723/0xbe0 [ 4725.785724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4725.785724][ T10] ___sys_sendmsg+0xee/0x170 [ 4725.785724][ T10] __sys_sendmsg+0xcd/0x170 [ 4725.785724][ T10] do_syscall_64+0xc6/0x1e0 [ 4725.785724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4725.785724][ T10] [ 4725.788443][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4725.788443][ T10] netdev_get_by_index+0x5e/0x80 [ 4725.788443][ T10] fib6_nh_init+0x3d8/0x1580 [ 4725.788443][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4725.788443][ T10] ip6_route_add+0x1c/0x140 [ 4725.788443][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4725.788443][ T10] addrconf_add_dev+0xe2/0x170 [ 4725.788443][ T10] inet6_addr_add+0x12f/0xa40 [ 4725.788443][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4725.788443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4725.788443][ T10] netlink_rcv_skb+0x130/0x360 [ 4725.788443][ T10] netlink_unicast+0x449/0x710 [ 4725.788443][ T10] netlink_sendmsg+0x723/0xbe0 [ 4725.788443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4725.788443][ T10] ___sys_sendmsg+0xee/0x170 [ 4725.788443][ T10] __sys_sendmsg+0xcd/0x170 [ 4725.788443][ T10] do_syscall_64+0xc6/0x1e0 [ 4725.788443][ T10] [ 4725.791101][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4725.791101][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4725.791101][ T10] ipv6_find_idev+0x102/0x170 [ 4725.791101][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4725.791101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4725.791101][ T10] netlink_rcv_skb+0x130/0x360 [ 4725.791101][ T10] netlink_unicast+0x449/0x710 [ 4725.791101][ T10] netlink_sendmsg+0x723/0xbe0 [ 4725.791101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4725.791101][ T10] ___sys_sendmsg+0xee/0x170 [ 4725.791101][ T10] __sys_sendmsg+0xcd/0x170 [ 4725.791101][ T10] do_syscall_64+0xc6/0x1e0 [ 4725.791101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4725.791101][ T10] [ 4725.793189][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4725.793189][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4725.793189][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4725.793189][ T10] ipv6_find_idev+0x102/0x170 [ 4725.793189][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4725.793189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4725.793189][ T10] netlink_rcv_skb+0x130/0x360 [ 4725.793189][ T10] netlink_unicast+0x449/0x710 [ 4725.793189][ T10] netlink_sendmsg+0x723/0xbe0 [ 4725.793189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4725.793189][ T10] ___sys_sendmsg+0xee/0x170 [ 4725.793189][ T10] __sys_sendmsg+0xcd/0x170 [ 4725.793189][ T10] do_syscall_64+0xc6/0x1e0 [ 4725.793189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4725.793189][ T10] [ 4730.753109][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4730.753564][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4730.753564][ T1167] dst_init+0x84/0x4a0 [ 4730.753564][ T1167] dst_alloc+0x97/0x150 [ 4730.753564][ T1167] ip6_dst_alloc+0x23/0x90 [ 4730.753564][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4730.753564][ T1167] ip6_pol_route+0x56f/0x840 [ 4730.753564][ T1167] fib6_rule_lookup+0x334/0x630 [ 4730.753564][ T1167] ip6_route_output_flags+0x259/0x480 [ 4730.753564][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4730.753564][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4730.753564][ T1167] netlink_rcv_skb+0x130/0x360 [ 4730.753564][ T1167] netlink_unicast+0x449/0x710 [ 4730.753564][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4730.753564][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4730.753564][ T1167] ___sys_sendmsg+0xee/0x170 [ 4730.753564][ T1167] __sys_sendmsg+0xcd/0x170 [ 4730.753564][ T1167] do_syscall_64+0xc6/0x1e0 [ 4730.753564][ T1167] [ 4730.755955][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4730.755955][ T1167] netdev_get_by_index+0x5e/0x80 [ 4730.755955][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4730.755955][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4730.755955][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4730.755955][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4730.755955][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4730.755955][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4730.755955][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4730.755955][ T1167] addrconf_dad_begin+0x310/0x670 [ 4730.755955][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4730.755955][ T1167] process_one_work+0x84d/0x18a0 [ 4730.755955][ T1167] worker_thread+0x587/0xd30 [ 4730.755955][ T1167] kthread+0x28a/0x350 [ 4730.755955][ T1167] ret_from_fork+0x31/0x70 [ 4730.755955][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4730.755955][ T1167] [ 4730.758295][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4730.758295][ T1167] netdev_get_by_index+0x5e/0x80 [ 4730.758295][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4730.758295][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4730.758295][ T1167] ip6_route_add+0x1c/0x140 [ 4730.758295][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4730.758295][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4730.758295][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4730.758295][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4730.758295][ T1167] netlink_rcv_skb+0x130/0x360 [ 4730.758295][ T1167] netlink_unicast+0x449/0x710 [ 4730.758295][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4730.758295][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4730.758295][ T1167] ___sys_sendmsg+0xee/0x170 [ 4730.758295][ T1167] __sys_sendmsg+0xcd/0x170 [ 4730.758295][ T1167] do_syscall_64+0xc6/0x1e0 [ 4730.758295][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4730.758295][ T1167] [ 4730.760725][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4730.760725][ T1167] netdev_get_by_index+0x5e/0x80 [ 4730.760725][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4730.760725][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4730.760725][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4730.760725][ T1167] ipv6_add_addr+0x411/0x2000 [ 4730.760725][ T1167] inet6_addr_add+0x30e/0xa40 [ 4730.760725][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4730.760725][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4730.760725][ T1167] netlink_rcv_skb+0x130/0x360 [ 4730.760725][ T1167] netlink_unicast+0x449/0x710 [ 4730.760725][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4730.760725][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4730.760725][ T1167] ___sys_sendmsg+0xee/0x170 [ 4730.760725][ T1167] __sys_sendmsg+0xcd/0x170 [ 4730.760725][ T1167] do_syscall_64+0xc6/0x1e0 [ 4730.760725][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4730.760725][ T1167] [ 4730.763177][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4730.763177][ T1167] netdev_get_by_index+0x5e/0x80 [ 4730.763177][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4730.763177][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4730.763177][ T1167] ip6_route_add+0x1c/0x140 [ 4730.763177][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4730.763177][ T1167] addrconf_add_dev+0xe2/0x170 [ 4730.763177][ T1167] inet6_addr_add+0x12f/0xa40 [ 4730.763177][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4730.763177][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4730.763177][ T1167] netlink_rcv_skb+0x130/0x360 [ 4730.763177][ T1167] netlink_unicast+0x449/0x710 [ 4730.763177][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4730.763177][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4730.763177][ T1167] ___sys_sendmsg+0xee/0x170 [ 4730.763177][ T1167] __sys_sendmsg+0xcd/0x170 [ 4730.763177][ T1167] do_syscall_64+0xc6/0x1e0 [ 4730.763177][ T1167] [ 4730.765575][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4730.765575][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4730.765575][ T1167] ipv6_find_idev+0x102/0x170 [ 4730.765575][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4730.765575][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4730.765575][ T1167] netlink_rcv_skb+0x130/0x360 [ 4730.765575][ T1167] netlink_unicast+0x449/0x710 [ 4730.765575][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4730.765575][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4730.765575][ T1167] ___sys_sendmsg+0xee/0x170 [ 4730.765575][ T1167] __sys_sendmsg+0xcd/0x170 [ 4730.765575][ T1167] do_syscall_64+0xc6/0x1e0 [ 4730.765575][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4730.765575][ T1167] [ 4730.767466][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4730.767466][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4730.767466][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4730.767466][ T1167] ipv6_find_idev+0x102/0x170 [ 4730.767466][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4730.767466][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4730.767466][ T1167] netlink_rcv_skb+0x130/0x360 [ 4730.767466][ T1167] netlink_unicast+0x449/0x710 [ 4730.767466][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4730.767466][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4730.767466][ T1167] ___sys_sendmsg+0xee/0x170 [ 4730.767466][ T1167] __sys_sendmsg+0xcd/0x170 [ 4730.767466][ T1167] do_syscall_64+0xc6/0x1e0 [ 4730.767466][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4730.767466][ T1167] [ 4736.033103][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4736.033608][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4736.033608][ T10] netdev_get_by_index+0x5e/0x80 [ 4736.033608][ T10] fib6_nh_init+0x3d8/0x1580 [ 4736.033608][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4736.033608][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4736.033608][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4736.033608][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4736.033608][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4736.033608][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4736.033608][ T10] addrconf_dad_begin+0x310/0x670 [ 4736.033608][ T10] addrconf_dad_work+0x10b/0xab0 [ 4736.033608][ T10] process_one_work+0x84d/0x18a0 [ 4736.033608][ T10] worker_thread+0x587/0xd30 [ 4736.033608][ T10] kthread+0x28a/0x350 [ 4736.033608][ T10] ret_from_fork+0x31/0x70 [ 4736.033608][ T10] ret_from_fork_asm+0x1a/0x30 [ 4736.033608][ T10] [ 4736.035991][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4736.035991][ T10] netdev_get_by_index+0x5e/0x80 [ 4736.035991][ T10] fib6_nh_init+0x3d8/0x1580 [ 4736.035991][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4736.035991][ T10] ip6_route_add+0x1c/0x140 [ 4736.035991][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4736.035991][ T10] inet6_addr_add+0x4f8/0xa40 [ 4736.035991][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4736.035991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.035991][ T10] netlink_rcv_skb+0x130/0x360 [ 4736.035991][ T10] netlink_unicast+0x449/0x710 [ 4736.035991][ T10] netlink_sendmsg+0x723/0xbe0 [ 4736.035991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4736.035991][ T10] ___sys_sendmsg+0xee/0x170 [ 4736.035991][ T10] __sys_sendmsg+0xcd/0x170 [ 4736.035991][ T10] do_syscall_64+0xc6/0x1e0 [ 4736.035991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.035991][ T10] [ 4736.038451][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4736.038451][ T10] netdev_get_by_index+0x5e/0x80 [ 4736.038451][ T10] fib6_nh_init+0x3d8/0x1580 [ 4736.038451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4736.038451][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4736.038451][ T10] ipv6_add_addr+0x411/0x2000 [ 4736.038451][ T10] inet6_addr_add+0x30e/0xa40 [ 4736.038451][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4736.038451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.038451][ T10] netlink_rcv_skb+0x130/0x360 [ 4736.038451][ T10] netlink_unicast+0x449/0x710 [ 4736.038451][ T10] netlink_sendmsg+0x723/0xbe0 [ 4736.038451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4736.038451][ T10] ___sys_sendmsg+0xee/0x170 [ 4736.038451][ T10] __sys_sendmsg+0xcd/0x170 [ 4736.038451][ T10] do_syscall_64+0xc6/0x1e0 [ 4736.038451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.038451][ T10] [ 4736.040889][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4736.040889][ T10] netdev_get_by_index+0x5e/0x80 [ 4736.040889][ T10] fib6_nh_init+0x3d8/0x1580 [ 4736.040889][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4736.040889][ T10] ip6_route_add+0x1c/0x140 [ 4736.040889][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4736.040889][ T10] addrconf_add_dev+0xe2/0x170 [ 4736.040889][ T10] inet6_addr_add+0x12f/0xa40 [ 4736.040889][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4736.040889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.040889][ T10] netlink_rcv_skb+0x130/0x360 [ 4736.040889][ T10] netlink_unicast+0x449/0x710 [ 4736.040889][ T10] netlink_sendmsg+0x723/0xbe0 [ 4736.040889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4736.040889][ T10] ___sys_sendmsg+0xee/0x170 [ 4736.040889][ T10] __sys_sendmsg+0xcd/0x170 [ 4736.040889][ T10] do_syscall_64+0xc6/0x1e0 [ 4736.040889][ T10] [ 4736.043296][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4736.043296][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4736.043296][ T10] ipv6_find_idev+0x102/0x170 [ 4736.043296][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4736.043296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.043296][ T10] netlink_rcv_skb+0x130/0x360 [ 4736.043296][ T10] netlink_unicast+0x449/0x710 [ 4736.043296][ T10] netlink_sendmsg+0x723/0xbe0 [ 4736.043296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4736.043296][ T10] ___sys_sendmsg+0xee/0x170 [ 4736.043296][ T10] __sys_sendmsg+0xcd/0x170 [ 4736.043296][ T10] do_syscall_64+0xc6/0x1e0 [ 4736.043296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.043296][ T10] [ 4736.045172][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4736.045172][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4736.045172][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4736.045172][ T10] ipv6_find_idev+0x102/0x170 [ 4736.045172][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4736.045172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.045172][ T10] netlink_rcv_skb+0x130/0x360 [ 4736.045172][ T10] netlink_unicast+0x449/0x710 [ 4736.045172][ T10] netlink_sendmsg+0x723/0xbe0 [ 4736.045172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4736.045172][ T10] ___sys_sendmsg+0xee/0x170 [ 4736.045172][ T10] __sys_sendmsg+0xcd/0x170 [ 4736.045172][ T10] do_syscall_64+0xc6/0x1e0 [ 4736.045172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.045172][ T10] [ 4736.047250][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4736.047554][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4736.047554][ T10] netdev_get_by_index+0x5e/0x80 [ 4736.047554][ T10] fib6_nh_init+0x3d8/0x1580 [ 4736.047554][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4736.047554][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4736.047554][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4736.047554][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4736.047554][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4736.047554][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4736.047554][ T10] addrconf_dad_begin+0x310/0x670 [ 4736.047554][ T10] addrconf_dad_work+0x10b/0xab0 [ 4736.047554][ T10] process_one_work+0x84d/0x18a0 [ 4736.047554][ T10] worker_thread+0x587/0xd30 [ 4736.047554][ T10] kthread+0x28a/0x350 [ 4736.047554][ T10] ret_from_fork+0x31/0x70 [ 4736.047554][ T10] ret_from_fork_asm+0x1a/0x30 [ 4736.047554][ T10] [ 4736.049892][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4736.049892][ T10] netdev_get_by_index+0x5e/0x80 [ 4736.049892][ T10] fib6_nh_init+0x3d8/0x1580 [ 4736.049892][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4736.049892][ T10] ip6_route_add+0x1c/0x140 [ 4736.049892][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4736.049892][ T10] inet6_addr_add+0x4f8/0xa40 [ 4736.049892][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4736.049892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.049892][ T10] netlink_rcv_skb+0x130/0x360 [ 4736.049892][ T10] netlink_unicast+0x449/0x710 [ 4736.049892][ T10] netlink_sendmsg+0x723/0xbe0 [ 4736.049892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4736.049892][ T10] ___sys_sendmsg+0xee/0x170 [ 4736.049892][ T10] __sys_sendmsg+0xcd/0x170 [ 4736.049892][ T10] do_syscall_64+0xc6/0x1e0 [ 4736.049892][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.049892][ T10] [ 4736.052362][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4736.052362][ T10] netdev_get_by_index+0x5e/0x80 [ 4736.052362][ T10] fib6_nh_init+0x3d8/0x1580 [ 4736.052362][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4736.052362][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4736.052362][ T10] ipv6_add_addr+0x411/0x2000 [ 4736.052362][ T10] inet6_addr_add+0x30e/0xa40 [ 4736.052362][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4736.052362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.052362][ T10] netlink_rcv_skb+0x130/0x360 [ 4736.052362][ T10] netlink_unicast+0x449/0x710 [ 4736.052362][ T10] netlink_sendmsg+0x723/0xbe0 [ 4736.052362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4736.052362][ T10] ___sys_sendmsg+0xee/0x170 [ 4736.052362][ T10] __sys_sendmsg+0xcd/0x170 [ 4736.052362][ T10] do_syscall_64+0xc6/0x1e0 [ 4736.052362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.052362][ T10] [ 4736.054834][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4736.054834][ T10] netdev_get_by_index+0x5e/0x80 [ 4736.054834][ T10] fib6_nh_init+0x3d8/0x1580 [ 4736.054834][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4736.054834][ T10] ip6_route_add+0x1c/0x140 [ 4736.054834][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4736.054834][ T10] addrconf_add_dev+0xe2/0x170 [ 4736.054834][ T10] inet6_addr_add+0x12f/0xa40 [ 4736.054834][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4736.054834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.054834][ T10] netlink_rcv_skb+0x130/0x360 [ 4736.054834][ T10] netlink_unicast+0x449/0x710 [ 4736.054834][ T10] netlink_sendmsg+0x723/0xbe0 [ 4736.054834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4736.054834][ T10] ___sys_sendmsg+0xee/0x170 [ 4736.054834][ T10] __sys_sendmsg+0xcd/0x170 [ 4736.054834][ T10] do_syscall_64+0xc6/0x1e0 [ 4736.054834][ T10] [ 4736.057244][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4736.057244][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4736.057244][ T10] ipv6_find_idev+0x102/0x170 [ 4736.057244][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4736.057244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.057244][ T10] netlink_rcv_skb+0x130/0x360 [ 4736.057244][ T10] netlink_unicast+0x449/0x710 [ 4736.057244][ T10] netlink_sendmsg+0x723/0xbe0 [ 4736.057244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4736.057244][ T10] ___sys_sendmsg+0xee/0x170 [ 4736.057244][ T10] __sys_sendmsg+0xcd/0x170 [ 4736.057244][ T10] do_syscall_64+0xc6/0x1e0 [ 4736.057244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.057244][ T10] [ 4736.059128][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4736.059128][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4736.059128][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4736.059128][ T10] ipv6_find_idev+0x102/0x170 [ 4736.059128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4736.059128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.059128][ T10] netlink_rcv_skb+0x130/0x360 [ 4736.059128][ T10] netlink_unicast+0x449/0x710 [ 4736.059128][ T10] netlink_sendmsg+0x723/0xbe0 [ 4736.059128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4736.059128][ T10] ___sys_sendmsg+0xee/0x170 [ 4736.059128][ T10] __sys_sendmsg+0xcd/0x170 [ 4736.059128][ T10] do_syscall_64+0xc6/0x1e0 [ 4736.059128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.059128][ T10] [ 4736.061198][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4736.061481][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4736.061481][ T10] netdev_get_by_index+0x5e/0x80 [ 4736.061481][ T10] fib6_nh_init+0x3d8/0x1580 [ 4736.061481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4736.061481][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4736.061481][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4736.061481][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4736.061481][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4736.061481][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4736.061481][ T10] addrconf_dad_begin+0x310/0x670 [ 4736.061481][ T10] addrconf_dad_work+0x10b/0xab0 [ 4736.061481][ T10] process_one_work+0x84d/0x18a0 [ 4736.061481][ T10] worker_thread+0x587/0xd30 [ 4736.061481][ T10] kthread+0x28a/0x350 [ 4736.061481][ T10] ret_from_fork+0x31/0x70 [ 4736.061481][ T10] ret_from_fork_asm+0x1a/0x30 [ 4736.061481][ T10] [ 4736.063802][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4736.063802][ T10] netdev_get_by_index+0x5e/0x80 [ 4736.063802][ T10] fib6_nh_init+0x3d8/0x1580 [ 4736.063802][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4736.063802][ T10] ip6_route_add+0x1c/0x140 [ 4736.063802][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4736.063802][ T10] inet6_addr_add+0x4f8/0xa40 [ 4736.063802][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4736.063802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.063802][ T10] netlink_rcv_skb+0x130/0x360 [ 4736.063802][ T10] netlink_unicast+0x449/0x710 [ 4736.063802][ T10] netlink_sendmsg+0x723/0xbe0 [ 4736.063802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4736.063802][ T10] ___sys_sendmsg+0xee/0x170 [ 4736.063802][ T10] __sys_sendmsg+0xcd/0x170 [ 4736.063802][ T10] do_syscall_64+0xc6/0x1e0 [ 4736.063802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.063802][ T10] [ 4736.066434][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4736.066434][ T10] netdev_get_by_index+0x5e/0x80 [ 4736.066434][ T10] fib6_nh_init+0x3d8/0x1580 [ 4736.066434][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4736.066434][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4736.066434][ T10] ipv6_add_addr+0x411/0x2000 [ 4736.066434][ T10] inet6_addr_add+0x30e/0xa40 [ 4736.066434][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4736.066434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.066434][ T10] netlink_rcv_skb+0x130/0x360 [ 4736.066434][ T10] netlink_unicast+0x449/0x710 [ 4736.066434][ T10] netlink_sendmsg+0x723/0xbe0 [ 4736.066434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4736.066434][ T10] ___sys_sendmsg+0xee/0x170 [ 4736.066434][ T10] __sys_sendmsg+0xcd/0x170 [ 4736.066434][ T10] do_syscall_64+0xc6/0x1e0 [ 4736.066434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.066434][ T10] [ 4736.069104][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4736.069104][ T10] netdev_get_by_index+0x5e/0x80 [ 4736.069104][ T10] fib6_nh_init+0x3d8/0x1580 [ 4736.069104][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4736.069104][ T10] ip6_route_add+0x1c/0x140 [ 4736.069104][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4736.069104][ T10] addrconf_add_dev+0xe2/0x170 [ 4736.069104][ T10] inet6_addr_add+0x12f/0xa40 [ 4736.069104][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4736.069104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.069104][ T10] netlink_rcv_skb+0x130/0x360 [ 4736.069104][ T10] netlink_unicast+0x449/0x710 [ 4736.069104][ T10] netlink_sendmsg+0x723/0xbe0 [ 4736.069104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4736.069104][ T10] ___sys_sendmsg+0xee/0x170 [ 4736.069104][ T10] __sys_sendmsg+0xcd/0x170 [ 4736.069104][ T10] do_syscall_64+0xc6/0x1e0 [ 4736.069104][ T10] [ 4736.071808][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4736.071808][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4736.071808][ T10] ipv6_find_idev+0x102/0x170 [ 4736.071808][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4736.071808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.071808][ T10] netlink_rcv_skb+0x130/0x360 [ 4736.071808][ T10] netlink_unicast+0x449/0x710 [ 4736.071808][ T10] netlink_sendmsg+0x723/0xbe0 [ 4736.071808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4736.071808][ T10] ___sys_sendmsg+0xee/0x170 [ 4736.071808][ T10] __sys_sendmsg+0xcd/0x170 [ 4736.071808][ T10] do_syscall_64+0xc6/0x1e0 [ 4736.071808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.071808][ T10] [ 4736.073761][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4736.073761][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4736.073761][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4736.073761][ T10] ipv6_find_idev+0x102/0x170 [ 4736.073761][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4736.073761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.073761][ T10] netlink_rcv_skb+0x130/0x360 [ 4736.073761][ T10] netlink_unicast+0x449/0x710 [ 4736.073761][ T10] netlink_sendmsg+0x723/0xbe0 [ 4736.073761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4736.073761][ T10] ___sys_sendmsg+0xee/0x170 [ 4736.073761][ T10] __sys_sendmsg+0xcd/0x170 [ 4736.073761][ T10] do_syscall_64+0xc6/0x1e0 [ 4736.073761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.073761][ T10] [ 4736.075676][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4736.075934][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4736.075934][ T10] netdev_get_by_index+0x5e/0x80 [ 4736.075934][ T10] fib6_nh_init+0x3d8/0x1580 [ 4736.075934][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4736.075934][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4736.075934][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4736.075934][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4736.075934][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4736.075934][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4736.075934][ T10] addrconf_dad_begin+0x310/0x670 [ 4736.075934][ T10] addrconf_dad_work+0x10b/0xab0 [ 4736.075934][ T10] process_one_work+0x84d/0x18a0 [ 4736.075934][ T10] worker_thread+0x587/0xd30 [ 4736.075934][ T10] kthread+0x28a/0x350 [ 4736.075934][ T10] ret_from_fork+0x31/0x70 [ 4736.075934][ T10] ret_from_fork_asm+0x1a/0x30 [ 4736.075934][ T10] [ 4736.078615][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4736.078615][ T10] netdev_get_by_index+0x5e/0x80 [ 4736.078615][ T10] fib6_nh_init+0x3d8/0x1580 [ 4736.078615][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4736.078615][ T10] ip6_route_add+0x1c/0x140 [ 4736.078615][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4736.078615][ T10] inet6_addr_add+0x4f8/0xa40 [ 4736.078615][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4736.078615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.078615][ T10] netlink_rcv_skb+0x130/0x360 [ 4736.078615][ T10] netlink_unicast+0x449/0x710 [ 4736.078615][ T10] netlink_sendmsg+0x723/0xbe0 [ 4736.078615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4736.078615][ T10] ___sys_sendmsg+0xee/0x170 [ 4736.078615][ T10] __sys_sendmsg+0xcd/0x170 [ 4736.078615][ T10] do_syscall_64+0xc6/0x1e0 [ 4736.078615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.078615][ T10] [ 4736.080978][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4736.080978][ T10] netdev_get_by_index+0x5e/0x80 [ 4736.080978][ T10] fib6_nh_init+0x3d8/0x1580 [ 4736.080978][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4736.080978][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4736.080978][ T10] ipv6_add_addr+0x411/0x2000 [ 4736.080978][ T10] inet6_addr_add+0x30e/0xa40 [ 4736.080978][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4736.080978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.080978][ T10] netlink_rcv_skb+0x130/0x360 [ 4736.080978][ T10] netlink_unicast+0x449/0x710 [ 4736.080978][ T10] netlink_sendmsg+0x723/0xbe0 [ 4736.080978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4736.080978][ T10] ___sys_sendmsg+0xee/0x170 [ 4736.080978][ T10] __sys_sendmsg+0xcd/0x170 [ 4736.080978][ T10] do_syscall_64+0xc6/0x1e0 [ 4736.080978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.080978][ T10] [ 4736.083173][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4736.083173][ T10] netdev_get_by_index+0x5e/0x80 [ 4736.083173][ T10] fib6_nh_init+0x3d8/0x1580 [ 4736.083173][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4736.083173][ T10] ip6_route_add+0x1c/0x140 [ 4736.083173][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4736.083173][ T10] addrconf_add_dev+0xe2/0x170 [ 4736.083173][ T10] inet6_addr_add+0x12f/0xa40 [ 4736.083173][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4736.083173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.083173][ T10] netlink_rcv_skb+0x130/0x360 [ 4736.083173][ T10] netlink_unicast+0x449/0x710 [ 4736.083173][ T10] netlink_sendmsg+0x723/0xbe0 [ 4736.083173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4736.083173][ T10] ___sys_sendmsg+0xee/0x170 [ 4736.083173][ T10] __sys_sendmsg+0xcd/0x170 [ 4736.083173][ T10] do_syscall_64+0xc6/0x1e0 [ 4736.083173][ T10] [ 4736.085399][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4736.085399][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4736.085399][ T10] ipv6_find_idev+0x102/0x170 [ 4736.085399][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4736.085399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.085399][ T10] netlink_rcv_skb+0x130/0x360 [ 4736.085399][ T10] netlink_unicast+0x449/0x710 [ 4736.085399][ T10] netlink_sendmsg+0x723/0xbe0 [ 4736.085399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4736.085399][ T10] ___sys_sendmsg+0xee/0x170 [ 4736.085399][ T10] __sys_sendmsg+0xcd/0x170 [ 4736.085399][ T10] do_syscall_64+0xc6/0x1e0 [ 4736.085399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.085399][ T10] [ 4736.087127][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4736.087127][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4736.087127][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4736.087127][ T10] ipv6_find_idev+0x102/0x170 [ 4736.087127][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4736.087127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.087127][ T10] netlink_rcv_skb+0x130/0x360 [ 4736.087127][ T10] netlink_unicast+0x449/0x710 [ 4736.087127][ T10] netlink_sendmsg+0x723/0xbe0 [ 4736.087127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4736.087127][ T10] ___sys_sendmsg+0xee/0x170 [ 4736.087127][ T10] __sys_sendmsg+0xcd/0x170 [ 4736.087127][ T10] do_syscall_64+0xc6/0x1e0 [ 4736.087127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.087127][ T10] [ 4741.009122][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4741.009623][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4741.009623][ T1167] dst_init+0x84/0x4a0 [ 4741.009623][ T1167] dst_alloc+0x97/0x150 [ 4741.009623][ T1167] ip6_dst_alloc+0x23/0x90 [ 4741.009623][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4741.009623][ T1167] ip6_pol_route+0x56f/0x840 [ 4741.009623][ T1167] fib6_rule_lookup+0x334/0x630 [ 4741.009623][ T1167] ip6_route_output_flags+0x259/0x480 [ 4741.009623][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4741.009623][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4741.009623][ T1167] netlink_rcv_skb+0x130/0x360 [ 4741.009623][ T1167] netlink_unicast+0x449/0x710 [ 4741.009623][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4741.009623][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4741.009623][ T1167] ___sys_sendmsg+0xee/0x170 [ 4741.009623][ T1167] __sys_sendmsg+0xcd/0x170 [ 4741.009623][ T1167] do_syscall_64+0xc6/0x1e0 [ 4741.009623][ T1167] [ 4741.011832][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4741.011832][ T1167] netdev_get_by_index+0x5e/0x80 [ 4741.011832][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4741.011832][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4741.011832][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4741.011832][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4741.011832][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4741.011832][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4741.011832][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4741.011832][ T1167] addrconf_dad_begin+0x310/0x670 [ 4741.011832][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4741.011832][ T1167] process_one_work+0x84d/0x18a0 [ 4741.011832][ T1167] worker_thread+0x587/0xd30 [ 4741.011832][ T1167] kthread+0x28a/0x350 [ 4741.011832][ T1167] ret_from_fork+0x31/0x70 [ 4741.011832][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4741.011832][ T1167] [ 4741.014006][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4741.014006][ T1167] netdev_get_by_index+0x5e/0x80 [ 4741.014006][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4741.014006][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4741.014006][ T1167] ip6_route_add+0x1c/0x140 [ 4741.014006][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4741.014006][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4741.014006][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4741.014006][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4741.014006][ T1167] netlink_rcv_skb+0x130/0x360 [ 4741.014006][ T1167] netlink_unicast+0x449/0x710 [ 4741.014006][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4741.014006][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4741.014006][ T1167] ___sys_sendmsg+0xee/0x170 [ 4741.014006][ T1167] __sys_sendmsg+0xcd/0x170 [ 4741.014006][ T1167] do_syscall_64+0xc6/0x1e0 [ 4741.014006][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4741.014006][ T1167] [ 4741.016255][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4741.016255][ T1167] netdev_get_by_index+0x5e/0x80 [ 4741.016255][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4741.016255][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4741.016255][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4741.016255][ T1167] ipv6_add_addr+0x411/0x2000 [ 4741.016255][ T1167] inet6_addr_add+0x30e/0xa40 [ 4741.016255][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4741.016255][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4741.016255][ T1167] netlink_rcv_skb+0x130/0x360 [ 4741.016255][ T1167] netlink_unicast+0x449/0x710 [ 4741.016255][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4741.016255][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4741.016255][ T1167] ___sys_sendmsg+0xee/0x170 [ 4741.016255][ T1167] __sys_sendmsg+0xcd/0x170 [ 4741.016255][ T1167] do_syscall_64+0xc6/0x1e0 [ 4741.016255][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4741.016255][ T1167] [ 4741.018511][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4741.018511][ T1167] netdev_get_by_index+0x5e/0x80 [ 4741.018511][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4741.018511][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4741.018511][ T1167] ip6_route_add+0x1c/0x140 [ 4741.018511][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4741.018511][ T1167] addrconf_add_dev+0xe2/0x170 [ 4741.018511][ T1167] inet6_addr_add+0x12f/0xa40 [ 4741.018511][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4741.018511][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4741.018511][ T1167] netlink_rcv_skb+0x130/0x360 [ 4741.018511][ T1167] netlink_unicast+0x449/0x710 [ 4741.018511][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4741.018511][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4741.018511][ T1167] ___sys_sendmsg+0xee/0x170 [ 4741.018511][ T1167] __sys_sendmsg+0xcd/0x170 [ 4741.018511][ T1167] do_syscall_64+0xc6/0x1e0 [ 4741.018511][ T1167] [ 4741.020714][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4741.020714][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4741.020714][ T1167] ipv6_find_idev+0x102/0x170 [ 4741.020714][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4741.020714][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4741.020714][ T1167] netlink_rcv_skb+0x130/0x360 [ 4741.020714][ T1167] netlink_unicast+0x449/0x710 [ 4741.020714][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4741.020714][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4741.020714][ T1167] ___sys_sendmsg+0xee/0x170 [ 4741.020714][ T1167] __sys_sendmsg+0xcd/0x170 [ 4741.020714][ T1167] do_syscall_64+0xc6/0x1e0 [ 4741.020714][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4741.020714][ T1167] [ 4741.022491][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4741.022491][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4741.022491][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4741.022491][ T1167] ipv6_find_idev+0x102/0x170 [ 4741.022491][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4741.022491][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4741.022491][ T1167] netlink_rcv_skb+0x130/0x360 [ 4741.022491][ T1167] netlink_unicast+0x449/0x710 [ 4741.022491][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4741.022491][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4741.022491][ T1167] ___sys_sendmsg+0xee/0x170 [ 4741.022491][ T1167] __sys_sendmsg+0xcd/0x170 [ 4741.022491][ T1167] do_syscall_64+0xc6/0x1e0 [ 4741.022491][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4741.022491][ T1167] [ 4746.329138][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4746.329545][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4746.329545][ T10] netdev_get_by_index+0x5e/0x80 [ 4746.329545][ T10] fib6_nh_init+0x3d8/0x1580 [ 4746.329545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4746.329545][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4746.329545][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4746.329545][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4746.329545][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4746.329545][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4746.329545][ T10] addrconf_dad_begin+0x310/0x670 [ 4746.329545][ T10] addrconf_dad_work+0x10b/0xab0 [ 4746.329545][ T10] process_one_work+0x84d/0x18a0 [ 4746.329545][ T10] worker_thread+0x587/0xd30 [ 4746.329545][ T10] kthread+0x28a/0x350 [ 4746.329545][ T10] ret_from_fork+0x31/0x70 [ 4746.329545][ T10] ret_from_fork_asm+0x1a/0x30 [ 4746.329545][ T10] [ 4746.331518][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4746.331518][ T10] netdev_get_by_index+0x5e/0x80 [ 4746.331518][ T10] fib6_nh_init+0x3d8/0x1580 [ 4746.331518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4746.331518][ T10] ip6_route_add+0x1c/0x140 [ 4746.331518][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4746.331518][ T10] inet6_addr_add+0x4f8/0xa40 [ 4746.331518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4746.331518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.331518][ T10] netlink_rcv_skb+0x130/0x360 [ 4746.331518][ T10] netlink_unicast+0x449/0x710 [ 4746.331518][ T10] netlink_sendmsg+0x723/0xbe0 [ 4746.331518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4746.331518][ T10] ___sys_sendmsg+0xee/0x170 [ 4746.331518][ T10] __sys_sendmsg+0xcd/0x170 [ 4746.331518][ T10] do_syscall_64+0xc6/0x1e0 [ 4746.331518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.331518][ T10] [ 4746.333558][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4746.333558][ T10] netdev_get_by_index+0x5e/0x80 [ 4746.333558][ T10] fib6_nh_init+0x3d8/0x1580 [ 4746.333558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4746.333558][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4746.333558][ T10] ipv6_add_addr+0x411/0x2000 [ 4746.333558][ T10] inet6_addr_add+0x30e/0xa40 [ 4746.333558][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4746.333558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.333558][ T10] netlink_rcv_skb+0x130/0x360 [ 4746.333558][ T10] netlink_unicast+0x449/0x710 [ 4746.333558][ T10] netlink_sendmsg+0x723/0xbe0 [ 4746.333558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4746.333558][ T10] ___sys_sendmsg+0xee/0x170 [ 4746.333558][ T10] __sys_sendmsg+0xcd/0x170 [ 4746.333558][ T10] do_syscall_64+0xc6/0x1e0 [ 4746.333558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.333558][ T10] [ 4746.335554][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4746.335554][ T10] netdev_get_by_index+0x5e/0x80 [ 4746.335554][ T10] fib6_nh_init+0x3d8/0x1580 [ 4746.335554][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4746.335554][ T10] ip6_route_add+0x1c/0x140 [ 4746.335554][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4746.335554][ T10] addrconf_add_dev+0xe2/0x170 [ 4746.335554][ T10] inet6_addr_add+0x12f/0xa40 [ 4746.335554][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4746.335554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.335554][ T10] netlink_rcv_skb+0x130/0x360 [ 4746.335554][ T10] netlink_unicast+0x449/0x710 [ 4746.335554][ T10] netlink_sendmsg+0x723/0xbe0 [ 4746.335554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4746.335554][ T10] ___sys_sendmsg+0xee/0x170 [ 4746.335554][ T10] __sys_sendmsg+0xcd/0x170 [ 4746.335554][ T10] do_syscall_64+0xc6/0x1e0 [ 4746.335554][ T10] [ 4746.337649][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4746.337649][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4746.337649][ T10] ipv6_find_idev+0x102/0x170 [ 4746.337649][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4746.337649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.337649][ T10] netlink_rcv_skb+0x130/0x360 [ 4746.337649][ T10] netlink_unicast+0x449/0x710 [ 4746.337649][ T10] netlink_sendmsg+0x723/0xbe0 [ 4746.337649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4746.337649][ T10] ___sys_sendmsg+0xee/0x170 [ 4746.337649][ T10] __sys_sendmsg+0xcd/0x170 [ 4746.337649][ T10] do_syscall_64+0xc6/0x1e0 [ 4746.337649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.337649][ T10] [ 4746.339348][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4746.339348][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4746.339348][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4746.339348][ T10] ipv6_find_idev+0x102/0x170 [ 4746.339348][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4746.339348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.339348][ T10] netlink_rcv_skb+0x130/0x360 [ 4746.339348][ T10] netlink_unicast+0x449/0x710 [ 4746.339348][ T10] netlink_sendmsg+0x723/0xbe0 [ 4746.339348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4746.339348][ T10] ___sys_sendmsg+0xee/0x170 [ 4746.339348][ T10] __sys_sendmsg+0xcd/0x170 [ 4746.339348][ T10] do_syscall_64+0xc6/0x1e0 [ 4746.339348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.339348][ T10] [ 4746.341196][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4746.341472][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4746.341472][ T10] netdev_get_by_index+0x5e/0x80 [ 4746.341472][ T10] fib6_nh_init+0x3d8/0x1580 [ 4746.341472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4746.341472][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4746.341472][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4746.341472][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4746.341472][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4746.341472][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4746.341472][ T10] addrconf_dad_begin+0x310/0x670 [ 4746.341472][ T10] addrconf_dad_work+0x10b/0xab0 [ 4746.341472][ T10] process_one_work+0x84d/0x18a0 [ 4746.341472][ T10] worker_thread+0x587/0xd30 [ 4746.341472][ T10] kthread+0x28a/0x350 [ 4746.341472][ T10] ret_from_fork+0x31/0x70 [ 4746.341472][ T10] ret_from_fork_asm+0x1a/0x30 [ 4746.341472][ T10] [ 4746.343567][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4746.343567][ T10] netdev_get_by_index+0x5e/0x80 [ 4746.343567][ T10] fib6_nh_init+0x3d8/0x1580 [ 4746.343567][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4746.343567][ T10] ip6_route_add+0x1c/0x140 [ 4746.343567][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4746.343567][ T10] inet6_addr_add+0x4f8/0xa40 [ 4746.343567][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4746.343567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.343567][ T10] netlink_rcv_skb+0x130/0x360 [ 4746.343567][ T10] netlink_unicast+0x449/0x710 [ 4746.343567][ T10] netlink_sendmsg+0x723/0xbe0 [ 4746.343567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4746.343567][ T10] ___sys_sendmsg+0xee/0x170 [ 4746.343567][ T10] __sys_sendmsg+0xcd/0x170 [ 4746.343567][ T10] do_syscall_64+0xc6/0x1e0 [ 4746.343567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.343567][ T10] [ 4746.345782][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4746.345782][ T10] netdev_get_by_index+0x5e/0x80 [ 4746.345782][ T10] fib6_nh_init+0x3d8/0x1580 [ 4746.345782][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4746.345782][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4746.345782][ T10] ipv6_add_addr+0x411/0x2000 [ 4746.345782][ T10] inet6_addr_add+0x30e/0xa40 [ 4746.345782][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4746.345782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.345782][ T10] netlink_rcv_skb+0x130/0x360 [ 4746.345782][ T10] netlink_unicast+0x449/0x710 [ 4746.345782][ T10] netlink_sendmsg+0x723/0xbe0 [ 4746.345782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4746.345782][ T10] ___sys_sendmsg+0xee/0x170 [ 4746.345782][ T10] __sys_sendmsg+0xcd/0x170 [ 4746.345782][ T10] do_syscall_64+0xc6/0x1e0 [ 4746.345782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.345782][ T10] [ 4746.347973][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4746.347973][ T10] netdev_get_by_index+0x5e/0x80 [ 4746.347973][ T10] fib6_nh_init+0x3d8/0x1580 [ 4746.347973][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4746.347973][ T10] ip6_route_add+0x1c/0x140 [ 4746.347973][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4746.347973][ T10] addrconf_add_dev+0xe2/0x170 [ 4746.347973][ T10] inet6_addr_add+0x12f/0xa40 [ 4746.347973][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4746.347973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.347973][ T10] netlink_rcv_skb+0x130/0x360 [ 4746.347973][ T10] netlink_unicast+0x449/0x710 [ 4746.347973][ T10] netlink_sendmsg+0x723/0xbe0 [ 4746.347973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4746.347973][ T10] ___sys_sendmsg+0xee/0x170 [ 4746.347973][ T10] __sys_sendmsg+0xcd/0x170 [ 4746.347973][ T10] do_syscall_64+0xc6/0x1e0 [ 4746.347973][ T10] [ 4746.350151][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4746.350151][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4746.350151][ T10] ipv6_find_idev+0x102/0x170 [ 4746.350151][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4746.350151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.350151][ T10] netlink_rcv_skb+0x130/0x360 [ 4746.350151][ T10] netlink_unicast+0x449/0x710 [ 4746.350151][ T10] netlink_sendmsg+0x723/0xbe0 [ 4746.350151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4746.350151][ T10] ___sys_sendmsg+0xee/0x170 [ 4746.350151][ T10] __sys_sendmsg+0xcd/0x170 [ 4746.350151][ T10] do_syscall_64+0xc6/0x1e0 [ 4746.350151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.350151][ T10] [ 4746.351841][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4746.351841][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4746.351841][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4746.351841][ T10] ipv6_find_idev+0x102/0x170 [ 4746.351841][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4746.351841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.351841][ T10] netlink_rcv_skb+0x130/0x360 [ 4746.351841][ T10] netlink_unicast+0x449/0x710 [ 4746.351841][ T10] netlink_sendmsg+0x723/0xbe0 [ 4746.351841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4746.351841][ T10] ___sys_sendmsg+0xee/0x170 [ 4746.351841][ T10] __sys_sendmsg+0xcd/0x170 [ 4746.351841][ T10] do_syscall_64+0xc6/0x1e0 [ 4746.351841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.351841][ T10] [ 4746.353685][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4746.353944][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4746.353944][ T10] netdev_get_by_index+0x5e/0x80 [ 4746.353944][ T10] fib6_nh_init+0x3d8/0x1580 [ 4746.353944][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4746.353944][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4746.353944][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4746.353944][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4746.353944][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4746.353944][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4746.353944][ T10] addrconf_dad_begin+0x310/0x670 [ 4746.353944][ T10] addrconf_dad_work+0x10b/0xab0 [ 4746.353944][ T10] process_one_work+0x84d/0x18a0 [ 4746.353944][ T10] worker_thread+0x587/0xd30 [ 4746.353944][ T10] kthread+0x28a/0x350 [ 4746.353944][ T10] ret_from_fork+0x31/0x70 [ 4746.353944][ T10] ret_from_fork_asm+0x1a/0x30 [ 4746.353944][ T10] [ 4746.356055][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4746.356055][ T10] netdev_get_by_index+0x5e/0x80 [ 4746.356055][ T10] fib6_nh_init+0x3d8/0x1580 [ 4746.356055][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4746.356055][ T10] ip6_route_add+0x1c/0x140 [ 4746.356055][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4746.356055][ T10] inet6_addr_add+0x4f8/0xa40 [ 4746.356055][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4746.356055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.356055][ T10] netlink_rcv_skb+0x130/0x360 [ 4746.356055][ T10] netlink_unicast+0x449/0x710 [ 4746.356055][ T10] netlink_sendmsg+0x723/0xbe0 [ 4746.356055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4746.356055][ T10] ___sys_sendmsg+0xee/0x170 [ 4746.356055][ T10] __sys_sendmsg+0xcd/0x170 [ 4746.356055][ T10] do_syscall_64+0xc6/0x1e0 [ 4746.356055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.356055][ T10] [ 4746.358445][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4746.358445][ T10] netdev_get_by_index+0x5e/0x80 [ 4746.358445][ T10] fib6_nh_init+0x3d8/0x1580 [ 4746.358445][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4746.358445][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4746.358445][ T10] ipv6_add_addr+0x411/0x2000 [ 4746.358445][ T10] inet6_addr_add+0x30e/0xa40 [ 4746.358445][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4746.358445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.358445][ T10] netlink_rcv_skb+0x130/0x360 [ 4746.358445][ T10] netlink_unicast+0x449/0x710 [ 4746.358445][ T10] netlink_sendmsg+0x723/0xbe0 [ 4746.358445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4746.358445][ T10] ___sys_sendmsg+0xee/0x170 [ 4746.358445][ T10] __sys_sendmsg+0xcd/0x170 [ 4746.358445][ T10] do_syscall_64+0xc6/0x1e0 [ 4746.358445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.358445][ T10] [ 4746.360965][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4746.360965][ T10] netdev_get_by_index+0x5e/0x80 [ 4746.360965][ T10] fib6_nh_init+0x3d8/0x1580 [ 4746.360965][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4746.360965][ T10] ip6_route_add+0x1c/0x140 [ 4746.360965][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4746.360965][ T10] addrconf_add_dev+0xe2/0x170 [ 4746.360965][ T10] inet6_addr_add+0x12f/0xa40 [ 4746.360965][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4746.360965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.360965][ T10] netlink_rcv_skb+0x130/0x360 [ 4746.360965][ T10] netlink_unicast+0x449/0x710 [ 4746.360965][ T10] netlink_sendmsg+0x723/0xbe0 [ 4746.360965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4746.360965][ T10] ___sys_sendmsg+0xee/0x170 [ 4746.360965][ T10] __sys_sendmsg+0xcd/0x170 [ 4746.360965][ T10] do_syscall_64+0xc6/0x1e0 [ 4746.360965][ T10] [ 4746.363324][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4746.363324][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4746.363324][ T10] ipv6_find_idev+0x102/0x170 [ 4746.363324][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4746.363324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.363324][ T10] netlink_rcv_skb+0x130/0x360 [ 4746.363324][ T10] netlink_unicast+0x449/0x710 [ 4746.363324][ T10] netlink_sendmsg+0x723/0xbe0 [ 4746.363324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4746.363324][ T10] ___sys_sendmsg+0xee/0x170 [ 4746.363324][ T10] __sys_sendmsg+0xcd/0x170 [ 4746.363324][ T10] do_syscall_64+0xc6/0x1e0 [ 4746.363324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.363324][ T10] [ 4746.365200][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4746.365200][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4746.365200][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4746.365200][ T10] ipv6_find_idev+0x102/0x170 [ 4746.365200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4746.365200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.365200][ T10] netlink_rcv_skb+0x130/0x360 [ 4746.365200][ T10] netlink_unicast+0x449/0x710 [ 4746.365200][ T10] netlink_sendmsg+0x723/0xbe0 [ 4746.365200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4746.365200][ T10] ___sys_sendmsg+0xee/0x170 [ 4746.365200][ T10] __sys_sendmsg+0xcd/0x170 [ 4746.365200][ T10] do_syscall_64+0xc6/0x1e0 [ 4746.365200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.365200][ T10] [ 4746.367315][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4746.367570][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4746.367570][ T10] netdev_get_by_index+0x5e/0x80 [ 4746.367570][ T10] fib6_nh_init+0x3d8/0x1580 [ 4746.367570][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4746.367570][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4746.367570][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4746.367570][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4746.367570][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4746.367570][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4746.367570][ T10] addrconf_dad_begin+0x310/0x670 [ 4746.367570][ T10] addrconf_dad_work+0x10b/0xab0 [ 4746.367570][ T10] process_one_work+0x84d/0x18a0 [ 4746.367570][ T10] worker_thread+0x587/0xd30 [ 4746.367570][ T10] kthread+0x28a/0x350 [ 4746.367570][ T10] ret_from_fork+0x31/0x70 [ 4746.367570][ T10] ret_from_fork_asm+0x1a/0x30 [ 4746.367570][ T10] [ 4746.369987][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4746.369987][ T10] netdev_get_by_index+0x5e/0x80 [ 4746.369987][ T10] fib6_nh_init+0x3d8/0x1580 [ 4746.369987][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4746.369987][ T10] ip6_route_add+0x1c/0x140 [ 4746.369987][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4746.369987][ T10] inet6_addr_add+0x4f8/0xa40 [ 4746.369987][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4746.369987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.369987][ T10] netlink_rcv_skb+0x130/0x360 [ 4746.369987][ T10] netlink_unicast+0x449/0x710 [ 4746.369987][ T10] netlink_sendmsg+0x723/0xbe0 [ 4746.369987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4746.369987][ T10] ___sys_sendmsg+0xee/0x170 [ 4746.369987][ T10] __sys_sendmsg+0xcd/0x170 [ 4746.369987][ T10] do_syscall_64+0xc6/0x1e0 [ 4746.369987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.369987][ T10] [ 4746.372436][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4746.372436][ T10] netdev_get_by_index+0x5e/0x80 [ 4746.372436][ T10] fib6_nh_init+0x3d8/0x1580 [ 4746.372436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4746.372436][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4746.372436][ T10] ipv6_add_addr+0x411/0x2000 [ 4746.372436][ T10] inet6_addr_add+0x30e/0xa40 [ 4746.372436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4746.372436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.372436][ T10] netlink_rcv_skb+0x130/0x360 [ 4746.372436][ T10] netlink_unicast+0x449/0x710 [ 4746.372436][ T10] netlink_sendmsg+0x723/0xbe0 [ 4746.372436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4746.372436][ T10] ___sys_sendmsg+0xee/0x170 [ 4746.372436][ T10] __sys_sendmsg+0xcd/0x170 [ 4746.372436][ T10] do_syscall_64+0xc6/0x1e0 [ 4746.372436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.372436][ T10] [ 4746.374833][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4746.374833][ T10] netdev_get_by_index+0x5e/0x80 [ 4746.374833][ T10] fib6_nh_init+0x3d8/0x1580 [ 4746.374833][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4746.374833][ T10] ip6_route_add+0x1c/0x140 [ 4746.374833][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4746.374833][ T10] addrconf_add_dev+0xe2/0x170 [ 4746.374833][ T10] inet6_addr_add+0x12f/0xa40 [ 4746.374833][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4746.374833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.374833][ T10] netlink_rcv_skb+0x130/0x360 [ 4746.374833][ T10] netlink_unicast+0x449/0x710 [ 4746.374833][ T10] netlink_sendmsg+0x723/0xbe0 [ 4746.374833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4746.374833][ T10] ___sys_sendmsg+0xee/0x170 [ 4746.374833][ T10] __sys_sendmsg+0xcd/0x170 [ 4746.374833][ T10] do_syscall_64+0xc6/0x1e0 [ 4746.374833][ T10] [ 4746.377240][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4746.377240][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4746.377240][ T10] ipv6_find_idev+0x102/0x170 [ 4746.377240][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4746.377240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.377240][ T10] netlink_rcv_skb+0x130/0x360 [ 4746.377240][ T10] netlink_unicast+0x449/0x710 [ 4746.377240][ T10] netlink_sendmsg+0x723/0xbe0 [ 4746.377240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4746.377240][ T10] ___sys_sendmsg+0xee/0x170 [ 4746.377240][ T10] __sys_sendmsg+0xcd/0x170 [ 4746.377240][ T10] do_syscall_64+0xc6/0x1e0 [ 4746.377240][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.377240][ T10] [ 4746.379080][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4746.379080][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4746.379080][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4746.379080][ T10] ipv6_find_idev+0x102/0x170 [ 4746.379080][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4746.379080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.379080][ T10] netlink_rcv_skb+0x130/0x360 [ 4746.379080][ T10] netlink_unicast+0x449/0x710 [ 4746.379080][ T10] netlink_sendmsg+0x723/0xbe0 [ 4746.379080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4746.379080][ T10] ___sys_sendmsg+0xee/0x170 [ 4746.379080][ T10] __sys_sendmsg+0xcd/0x170 [ 4746.379080][ T10] do_syscall_64+0xc6/0x1e0 [ 4746.379080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.379080][ T10] [ 4751.049042][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4751.049536][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4751.049536][ T1167] dst_init+0x84/0x4a0 [ 4751.049536][ T1167] dst_alloc+0x97/0x150 [ 4751.049536][ T1167] ip6_dst_alloc+0x23/0x90 [ 4751.049536][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4751.049536][ T1167] ip6_pol_route+0x56f/0x840 [ 4751.049536][ T1167] fib6_rule_lookup+0x334/0x630 [ 4751.049536][ T1167] ip6_route_output_flags+0x259/0x480 [ 4751.049536][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4751.049536][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4751.049536][ T1167] netlink_rcv_skb+0x130/0x360 [ 4751.049536][ T1167] netlink_unicast+0x449/0x710 [ 4751.049536][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4751.049536][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4751.049536][ T1167] ___sys_sendmsg+0xee/0x170 [ 4751.049536][ T1167] __sys_sendmsg+0xcd/0x170 [ 4751.049536][ T1167] do_syscall_64+0xc6/0x1e0 [ 4751.049536][ T1167] [ 4751.051976][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4751.051976][ T1167] netdev_get_by_index+0x5e/0x80 [ 4751.051976][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4751.051976][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4751.051976][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4751.051976][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4751.051976][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4751.051976][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4751.051976][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4751.051976][ T1167] addrconf_dad_begin+0x310/0x670 [ 4751.051976][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4751.051976][ T1167] process_one_work+0x84d/0x18a0 [ 4751.051976][ T1167] worker_thread+0x587/0xd30 [ 4751.051976][ T1167] kthread+0x28a/0x350 [ 4751.051976][ T1167] ret_from_fork+0x31/0x70 [ 4751.051976][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4751.051976][ T1167] [ 4751.054339][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4751.054339][ T1167] netdev_get_by_index+0x5e/0x80 [ 4751.054339][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4751.054339][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4751.054339][ T1167] ip6_route_add+0x1c/0x140 [ 4751.054339][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4751.054339][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4751.054339][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4751.054339][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4751.054339][ T1167] netlink_rcv_skb+0x130/0x360 [ 4751.054339][ T1167] netlink_unicast+0x449/0x710 [ 4751.054339][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4751.054339][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4751.054339][ T1167] ___sys_sendmsg+0xee/0x170 [ 4751.054339][ T1167] __sys_sendmsg+0xcd/0x170 [ 4751.054339][ T1167] do_syscall_64+0xc6/0x1e0 [ 4751.054339][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4751.054339][ T1167] [ 4751.056815][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4751.056815][ T1167] netdev_get_by_index+0x5e/0x80 [ 4751.056815][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4751.056815][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4751.056815][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4751.056815][ T1167] ipv6_add_addr+0x411/0x2000 [ 4751.056815][ T1167] inet6_addr_add+0x30e/0xa40 [ 4751.056815][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4751.056815][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4751.056815][ T1167] netlink_rcv_skb+0x130/0x360 [ 4751.056815][ T1167] netlink_unicast+0x449/0x710 [ 4751.056815][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4751.056815][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4751.056815][ T1167] ___sys_sendmsg+0xee/0x170 [ 4751.056815][ T1167] __sys_sendmsg+0xcd/0x170 [ 4751.056815][ T1167] do_syscall_64+0xc6/0x1e0 [ 4751.056815][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4751.056815][ T1167] [ 4751.059304][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4751.059304][ T1167] netdev_get_by_index+0x5e/0x80 [ 4751.059304][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4751.059304][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4751.059304][ T1167] ip6_route_add+0x1c/0x140 [ 4751.059304][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4751.059304][ T1167] addrconf_add_dev+0xe2/0x170 [ 4751.059304][ T1167] inet6_addr_add+0x12f/0xa40 [ 4751.059304][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4751.059304][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4751.059304][ T1167] netlink_rcv_skb+0x130/0x360 [ 4751.059304][ T1167] netlink_unicast+0x449/0x710 [ 4751.059304][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4751.059304][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4751.059304][ T1167] ___sys_sendmsg+0xee/0x170 [ 4751.059304][ T1167] __sys_sendmsg+0xcd/0x170 [ 4751.059304][ T1167] do_syscall_64+0xc6/0x1e0 [ 4751.059304][ T1167] [ 4751.061820][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4751.061820][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4751.061820][ T1167] ipv6_find_idev+0x102/0x170 [ 4751.061820][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4751.061820][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4751.061820][ T1167] netlink_rcv_skb+0x130/0x360 [ 4751.061820][ T1167] netlink_unicast+0x449/0x710 [ 4751.061820][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4751.061820][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4751.061820][ T1167] ___sys_sendmsg+0xee/0x170 [ 4751.061820][ T1167] __sys_sendmsg+0xcd/0x170 [ 4751.061820][ T1167] do_syscall_64+0xc6/0x1e0 [ 4751.061820][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4751.061820][ T1167] [ 4751.063562][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4751.063562][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4751.063562][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4751.063562][ T1167] ipv6_find_idev+0x102/0x170 [ 4751.063562][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4751.063562][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4751.063562][ T1167] netlink_rcv_skb+0x130/0x360 [ 4751.063562][ T1167] netlink_unicast+0x449/0x710 [ 4751.063562][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4751.063562][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4751.063562][ T1167] ___sys_sendmsg+0xee/0x170 [ 4751.063562][ T1167] __sys_sendmsg+0xcd/0x170 [ 4751.063562][ T1167] do_syscall_64+0xc6/0x1e0 [ 4751.063562][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4751.063562][ T1167] [ 4756.617108][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4756.617540][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4756.617540][ T10] netdev_get_by_index+0x5e/0x80 [ 4756.617540][ T10] fib6_nh_init+0x3d8/0x1580 [ 4756.617540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4756.617540][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4756.617540][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4756.617540][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4756.617540][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4756.617540][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4756.617540][ T10] addrconf_dad_begin+0x310/0x670 [ 4756.617540][ T10] addrconf_dad_work+0x10b/0xab0 [ 4756.617540][ T10] process_one_work+0x84d/0x18a0 [ 4756.617540][ T10] worker_thread+0x587/0xd30 [ 4756.617540][ T10] kthread+0x28a/0x350 [ 4756.617540][ T10] ret_from_fork+0x31/0x70 [ 4756.617540][ T10] ret_from_fork_asm+0x1a/0x30 [ 4756.617540][ T10] [ 4756.619503][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4756.619503][ T10] netdev_get_by_index+0x5e/0x80 [ 4756.619503][ T10] fib6_nh_init+0x3d8/0x1580 [ 4756.619503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4756.619503][ T10] ip6_route_add+0x1c/0x140 [ 4756.619503][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4756.619503][ T10] inet6_addr_add+0x4f8/0xa40 [ 4756.619503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4756.619503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4756.619503][ T10] netlink_rcv_skb+0x130/0x360 [ 4756.619503][ T10] netlink_unicast+0x449/0x710 [ 4756.619503][ T10] netlink_sendmsg+0x723/0xbe0 [ 4756.619503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4756.619503][ T10] ___sys_sendmsg+0xee/0x170 [ 4756.619503][ T10] __sys_sendmsg+0xcd/0x170 [ 4756.619503][ T10] do_syscall_64+0xc6/0x1e0 [ 4756.619503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4756.619503][ T10] [ 4756.621507][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4756.621507][ T10] netdev_get_by_index+0x5e/0x80 [ 4756.621507][ T10] fib6_nh_init+0x3d8/0x1580 [ 4756.621507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4756.621507][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4756.621507][ T10] ipv6_add_addr+0x411/0x2000 [ 4756.621507][ T10] inet6_addr_add+0x30e/0xa40 [ 4756.621507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4756.621507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4756.621507][ T10] netlink_rcv_skb+0x130/0x360 [ 4756.621507][ T10] netlink_unicast+0x449/0x710 [ 4756.621507][ T10] netlink_sendmsg+0x723/0xbe0 [ 4756.621507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4756.621507][ T10] ___sys_sendmsg+0xee/0x170 [ 4756.621507][ T10] __sys_sendmsg+0xcd/0x170 [ 4756.621507][ T10] do_syscall_64+0xc6/0x1e0 [ 4756.621507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4756.621507][ T10] [ 4756.623524][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4756.623524][ T10] netdev_get_by_index+0x5e/0x80 [ 4756.623524][ T10] fib6_nh_init+0x3d8/0x1580 [ 4756.623524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4756.623524][ T10] ip6_route_add+0x1c/0x140 [ 4756.623524][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4756.623524][ T10] addrconf_add_dev+0xe2/0x170 [ 4756.623524][ T10] inet6_addr_add+0x12f/0xa40 [ 4756.623524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4756.623524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4756.623524][ T10] netlink_rcv_skb+0x130/0x360 [ 4756.623524][ T10] netlink_unicast+0x449/0x710 [ 4756.623524][ T10] netlink_sendmsg+0x723/0xbe0 [ 4756.623524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4756.623524][ T10] ___sys_sendmsg+0xee/0x170 [ 4756.623524][ T10] __sys_sendmsg+0xcd/0x170 [ 4756.623524][ T10] do_syscall_64+0xc6/0x1e0 [ 4756.623524][ T10] [ 4756.625497][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4756.625497][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4756.625497][ T10] ipv6_find_idev+0x102/0x170 [ 4756.625497][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4756.625497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4756.625497][ T10] netlink_rcv_skb+0x130/0x360 [ 4756.625497][ T10] netlink_unicast+0x449/0x710 [ 4756.625497][ T10] netlink_sendmsg+0x723/0xbe0 [ 4756.625497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4756.625497][ T10] ___sys_sendmsg+0xee/0x170 [ 4756.625497][ T10] __sys_sendmsg+0xcd/0x170 [ 4756.625497][ T10] do_syscall_64+0xc6/0x1e0 [ 4756.625497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4756.625497][ T10] [ 4756.627058][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4756.627058][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4756.627058][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4756.627058][ T10] ipv6_find_idev+0x102/0x170 [ 4756.627058][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4756.627058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4756.627058][ T10] netlink_rcv_skb+0x130/0x360 [ 4756.627058][ T10] netlink_unicast+0x449/0x710 [ 4756.627058][ T10] netlink_sendmsg+0x723/0xbe0 [ 4756.627058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4756.627058][ T10] ___sys_sendmsg+0xee/0x170 [ 4756.627058][ T10] __sys_sendmsg+0xcd/0x170 [ 4756.627058][ T10] do_syscall_64+0xc6/0x1e0 [ 4756.627058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4756.627058][ T10] [ 4756.628757][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4756.629008][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4756.629008][ T10] netdev_get_by_index+0x5e/0x80 [ 4756.629008][ T10] fib6_nh_init+0x3d8/0x1580 [ 4756.629008][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4756.629008][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4756.629008][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4756.629008][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4756.629008][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4756.629008][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4756.629008][ T10] addrconf_dad_begin+0x310/0x670 [ 4756.629008][ T10] addrconf_dad_work+0x10b/0xab0 [ 4756.629008][ T10] process_one_work+0x84d/0x18a0 [ 4756.629008][ T10] worker_thread+0x587/0xd30 [ 4756.629008][ T10] kthread+0x28a/0x350 [ 4756.629008][ T10] ret_from_fork+0x31/0x70 [ 4756.629008][ T10] ret_from_fork_asm+0x1a/0x30 [ 4756.629008][ T10] [ 4756.630922][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4756.630922][ T10] netdev_get_by_index+0x5e/0x80 [ 4756.630922][ T10] fib6_nh_init+0x3d8/0x1580 [ 4756.630922][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4756.630922][ T10] ip6_route_add+0x1c/0x140 [ 4756.630922][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4756.630922][ T10] inet6_addr_add+0x4f8/0xa40 [ 4756.630922][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4756.630922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4756.630922][ T10] netlink_rcv_skb+0x130/0x360 [ 4756.630922][ T10] netlink_unicast+0x449/0x710 [ 4756.630922][ T10] netlink_sendmsg+0x723/0xbe0 [ 4756.630922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4756.630922][ T10] ___sys_sendmsg+0xee/0x170 [ 4756.630922][ T10] __sys_sendmsg+0xcd/0x170 [ 4756.630922][ T10] do_syscall_64+0xc6/0x1e0 [ 4756.630922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4756.630922][ T10] [ 4756.632932][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4756.632932][ T10] netdev_get_by_index+0x5e/0x80 [ 4756.632932][ T10] fib6_nh_init+0x3d8/0x1580 [ 4756.632932][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4756.632932][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4756.632932][ T10] ipv6_add_addr+0x411/0x2000 [ 4756.632932][ T10] inet6_addr_add+0x30e/0xa40 [ 4756.632932][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4756.632932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4756.632932][ T10] netlink_rcv_skb+0x130/0x360 [ 4756.632932][ T10] netlink_unicast+0x449/0x710 [ 4756.632932][ T10] netlink_sendmsg+0x723/0xbe0 [ 4756.632932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4756.632932][ T10] ___sys_sendmsg+0xee/0x170 [ 4756.632932][ T10] __sys_sendmsg+0xcd/0x170 [ 4756.632932][ T10] do_syscall_64+0xc6/0x1e0 [ 4756.632932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4756.632932][ T10] [ 4756.634952][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4756.634952][ T10] netdev_get_by_index+0x5e/0x80 [ 4756.634952][ T10] fib6_nh_init+0x3d8/0x1580 [ 4756.634952][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4756.634952][ T10] ip6_route_add+0x1c/0x140 [ 4756.634952][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4756.634952][ T10] addrconf_add_dev+0xe2/0x170 [ 4756.634952][ T10] inet6_addr_add+0x12f/0xa40 [ 4756.634952][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4756.634952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4756.634952][ T10] netlink_rcv_skb+0x130/0x360 [ 4756.634952][ T10] netlink_unicast+0x449/0x710 [ 4756.634952][ T10] netlink_sendmsg+0x723/0xbe0 [ 4756.634952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4756.634952][ T10] ___sys_sendmsg+0xee/0x170 [ 4756.634952][ T10] __sys_sendmsg+0xcd/0x170 [ 4756.634952][ T10] do_syscall_64+0xc6/0x1e0 [ 4756.634952][ T10] [ 4756.636927][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4756.636927][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4756.636927][ T10] ipv6_find_idev+0x102/0x170 [ 4756.636927][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4756.636927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4756.636927][ T10] netlink_rcv_skb+0x130/0x360 [ 4756.636927][ T10] netlink_unicast+0x449/0x710 [ 4756.636927][ T10] netlink_sendmsg+0x723/0xbe0 [ 4756.636927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4756.636927][ T10] ___sys_sendmsg+0xee/0x170 [ 4756.636927][ T10] __sys_sendmsg+0xcd/0x170 [ 4756.636927][ T10] do_syscall_64+0xc6/0x1e0 [ 4756.636927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4756.636927][ T10] [ 4756.638476][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4756.638476][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4756.638476][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4756.638476][ T10] ipv6_find_idev+0x102/0x170 [ 4756.638476][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4756.638476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4756.638476][ T10] netlink_rcv_skb+0x130/0x360 [ 4756.638476][ T10] netlink_unicast+0x449/0x710 [ 4756.638476][ T10] netlink_sendmsg+0x723/0xbe0 [ 4756.638476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4756.638476][ T10] ___sys_sendmsg+0xee/0x170 [ 4756.638476][ T10] __sys_sendmsg+0xcd/0x170 [ 4756.638476][ T10] do_syscall_64+0xc6/0x1e0 [ 4756.638476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4756.638476][ T10] [ 4756.640156][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4756.640401][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4756.640401][ T10] netdev_get_by_index+0x5e/0x80 [ 4756.640401][ T10] fib6_nh_init+0x3d8/0x1580 [ 4756.640401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4756.640401][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4756.640401][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4756.640401][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4756.640401][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4756.640401][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4756.640401][ T10] addrconf_dad_begin+0x310/0x670 [ 4756.640401][ T10] addrconf_dad_work+0x10b/0xab0 [ 4756.640401][ T10] process_one_work+0x84d/0x18a0 [ 4756.640401][ T10] worker_thread+0x587/0xd30 [ 4756.640401][ T10] kthread+0x28a/0x350 [ 4756.640401][ T10] ret_from_fork+0x31/0x70 [ 4756.640401][ T10] ret_from_fork_asm+0x1a/0x30 [ 4756.640401][ T10] [ 4756.642311][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4756.642311][ T10] netdev_get_by_index+0x5e/0x80 [ 4756.642311][ T10] fib6_nh_init+0x3d8/0x1580 [ 4756.642311][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4756.642311][ T10] ip6_route_add+0x1c/0x140 [ 4756.642311][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4756.642311][ T10] inet6_addr_add+0x4f8/0xa40 [ 4756.642311][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4756.642311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4756.642311][ T10] netlink_rcv_skb+0x130/0x360 [ 4756.642311][ T10] netlink_unicast+0x449/0x710 [ 4756.642311][ T10] netlink_sendmsg+0x723/0xbe0 [ 4756.642311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4756.642311][ T10] ___sys_sendmsg+0xee/0x170 [ 4756.642311][ T10] __sys_sendmsg+0xcd/0x170 [ 4756.642311][ T10] do_syscall_64+0xc6/0x1e0 [ 4756.642311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4756.642311][ T10] [ 4756.644503][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4756.644503][ T10] netdev_get_by_index+0x5e/0x80 [ 4756.644503][ T10] fib6_nh_init+0x3d8/0x1580 [ 4756.644503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4756.644503][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4756.644503][ T10] ipv6_add_addr+0x411/0x2000 [ 4756.644503][ T10] inet6_addr_add+0x30e/0xa40 [ 4756.644503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4756.644503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4756.644503][ T10] netlink_rcv_skb+0x130/0x360 [ 4756.644503][ T10] netlink_unicast+0x449/0x710 [ 4756.644503][ T10] netlink_sendmsg+0x723/0xbe0 [ 4756.644503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4756.644503][ T10] ___sys_sendmsg+0xee/0x170 [ 4756.644503][ T10] __sys_sendmsg+0xcd/0x170 [ 4756.644503][ T10] do_syscall_64+0xc6/0x1e0 [ 4756.644503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4756.644503][ T10] [ 4756.646766][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4756.646766][ T10] netdev_get_by_index+0x5e/0x80 [ 4756.646766][ T10] fib6_nh_init+0x3d8/0x1580 [ 4756.646766][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4756.646766][ T10] ip6_route_add+0x1c/0x140 [ 4756.646766][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4756.646766][ T10] addrconf_add_dev+0xe2/0x170 [ 4756.646766][ T10] inet6_addr_add+0x12f/0xa40 [ 4756.646766][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4756.646766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4756.646766][ T10] netlink_rcv_skb+0x130/0x360 [ 4756.646766][ T10] netlink_unicast+0x449/0x710 [ 4756.646766][ T10] netlink_sendmsg+0x723/0xbe0 [ 4756.646766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4756.646766][ T10] ___sys_sendmsg+0xee/0x170 [ 4756.646766][ T10] __sys_sendmsg+0xcd/0x170 [ 4756.646766][ T10] do_syscall_64+0xc6/0x1e0 [ 4756.646766][ T10] [ 4756.648934][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4756.648934][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4756.648934][ T10] ipv6_find_idev+0x102/0x170 [ 4756.648934][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4756.648934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4756.648934][ T10] netlink_rcv_skb+0x130/0x360 [ 4756.648934][ T10] netlink_unicast+0x449/0x710 [ 4756.648934][ T10] netlink_sendmsg+0x723/0xbe0 [ 4756.648934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4756.648934][ T10] ___sys_sendmsg+0xee/0x170 [ 4756.648934][ T10] __sys_sendmsg+0xcd/0x170 [ 4756.648934][ T10] do_syscall_64+0xc6/0x1e0 [ 4756.648934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4756.648934][ T10] [ 4756.650662][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4756.650662][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4756.650662][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4756.650662][ T10] ipv6_find_idev+0x102/0x170 [ 4756.650662][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4756.650662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4756.650662][ T10] netlink_rcv_skb+0x130/0x360 [ 4756.650662][ T10] netlink_unicast+0x449/0x710 [ 4756.650662][ T10] netlink_sendmsg+0x723/0xbe0 [ 4756.650662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4756.650662][ T10] ___sys_sendmsg+0xee/0x170 [ 4756.650662][ T10] __sys_sendmsg+0xcd/0x170 [ 4756.650662][ T10] do_syscall_64+0xc6/0x1e0 [ 4756.650662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4756.650662][ T10] [ 4756.652665][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4756.652900][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4756.652900][ T10] netdev_get_by_index+0x5e/0x80 [ 4756.652900][ T10] fib6_nh_init+0x3d8/0x1580 [ 4756.652900][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4756.652900][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4756.652900][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4756.652900][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4756.652900][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4756.652900][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4756.652900][ T10] addrconf_dad_begin+0x310/0x670 [ 4756.652900][ T10] addrconf_dad_work+0x10b/0xab0 [ 4756.652900][ T10] process_one_work+0x84d/0x18a0 [ 4756.652900][ T10] worker_thread+0x587/0xd30 [ 4756.652900][ T10] kthread+0x28a/0x350 [ 4756.652900][ T10] ret_from_fork+0x31/0x70 [ 4756.652900][ T10] ret_from_fork_asm+0x1a/0x30 [ 4756.652900][ T10] [ 4756.655078][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4756.655078][ T10] netdev_get_by_index+0x5e/0x80 [ 4756.655078][ T10] fib6_nh_init+0x3d8/0x1580 [ 4756.655078][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4756.655078][ T10] ip6_route_add+0x1c/0x140 [ 4756.655078][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4756.655078][ T10] inet6_addr_add+0x4f8/0xa40 [ 4756.655078][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4756.655078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4756.655078][ T10] netlink_rcv_skb+0x130/0x360 [ 4756.655078][ T10] netlink_unicast+0x449/0x710 [ 4756.655078][ T10] netlink_sendmsg+0x723/0xbe0 [ 4756.655078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4756.655078][ T10] ___sys_sendmsg+0xee/0x170 [ 4756.655078][ T10] __sys_sendmsg+0xcd/0x170 [ 4756.655078][ T10] do_syscall_64+0xc6/0x1e0 [ 4756.655078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4756.655078][ T10] [ 4756.657347][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4756.657347][ T10] netdev_get_by_index+0x5e/0x80 [ 4756.657347][ T10] fib6_nh_init+0x3d8/0x1580 [ 4756.657347][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4756.657347][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4756.657347][ T10] ipv6_add_addr+0x411/0x2000 [ 4756.657347][ T10] inet6_addr_add+0x30e/0xa40 [ 4756.657347][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4756.657347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4756.657347][ T10] netlink_rcv_skb+0x130/0x360 [ 4756.657347][ T10] netlink_unicast+0x449/0x710 [ 4756.657347][ T10] netlink_sendmsg+0x723/0xbe0 [ 4756.657347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4756.657347][ T10] ___sys_sendmsg+0xee/0x170 [ 4756.657347][ T10] __sys_sendmsg+0xcd/0x170 [ 4756.657347][ T10] do_syscall_64+0xc6/0x1e0 [ 4756.657347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4756.657347][ T10] [ 4756.659539][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4756.659539][ T10] netdev_get_by_index+0x5e/0x80 [ 4756.659539][ T10] fib6_nh_init+0x3d8/0x1580 [ 4756.659539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4756.659539][ T10] ip6_route_add+0x1c/0x140 [ 4756.659539][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4756.659539][ T10] addrconf_add_dev+0xe2/0x170 [ 4756.659539][ T10] inet6_addr_add+0x12f/0xa40 [ 4756.659539][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4756.659539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4756.659539][ T10] netlink_rcv_skb+0x130/0x360 [ 4756.659539][ T10] netlink_unicast+0x449/0x710 [ 4756.659539][ T10] netlink_sendmsg+0x723/0xbe0 [ 4756.659539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4756.659539][ T10] ___sys_sendmsg+0xee/0x170 [ 4756.659539][ T10] __sys_sendmsg+0xcd/0x170 [ 4756.659539][ T10] do_syscall_64+0xc6/0x1e0 [ 4756.659539][ T10] [ 4756.661748][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4756.661748][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4756.661748][ T10] ipv6_find_idev+0x102/0x170 [ 4756.661748][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4756.661748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4756.661748][ T10] netlink_rcv_skb+0x130/0x360 [ 4756.661748][ T10] netlink_unicast+0x449/0x710 [ 4756.661748][ T10] netlink_sendmsg+0x723/0xbe0 [ 4756.661748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4756.661748][ T10] ___sys_sendmsg+0xee/0x170 [ 4756.661748][ T10] __sys_sendmsg+0xcd/0x170 [ 4756.661748][ T10] do_syscall_64+0xc6/0x1e0 [ 4756.661748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4756.661748][ T10] [ 4756.663464][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4756.663464][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4756.663464][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4756.663464][ T10] ipv6_find_idev+0x102/0x170 [ 4756.663464][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4756.663464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4756.663464][ T10] netlink_rcv_skb+0x130/0x360 [ 4756.663464][ T10] netlink_unicast+0x449/0x710 [ 4756.663464][ T10] netlink_sendmsg+0x723/0xbe0 [ 4756.663464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4756.663464][ T10] ___sys_sendmsg+0xee/0x170 [ 4756.663464][ T10] __sys_sendmsg+0xcd/0x170 [ 4756.663464][ T10] do_syscall_64+0xc6/0x1e0 [ 4756.663464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4756.663464][ T10] [ 4761.305104][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4761.305608][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4761.305608][ T1167] dst_init+0x84/0x4a0 [ 4761.305608][ T1167] dst_alloc+0x97/0x150 [ 4761.305608][ T1167] ip6_dst_alloc+0x23/0x90 [ 4761.305608][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4761.305608][ T1167] ip6_pol_route+0x56f/0x840 [ 4761.305608][ T1167] fib6_rule_lookup+0x334/0x630 [ 4761.305608][ T1167] ip6_route_output_flags+0x259/0x480 [ 4761.305608][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4761.305608][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4761.305608][ T1167] netlink_rcv_skb+0x130/0x360 [ 4761.305608][ T1167] netlink_unicast+0x449/0x710 [ 4761.305608][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4761.305608][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4761.305608][ T1167] ___sys_sendmsg+0xee/0x170 [ 4761.305608][ T1167] __sys_sendmsg+0xcd/0x170 [ 4761.305608][ T1167] do_syscall_64+0xc6/0x1e0 [ 4761.305608][ T1167] [ 4761.307856][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4761.307856][ T1167] netdev_get_by_index+0x5e/0x80 [ 4761.307856][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4761.307856][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4761.307856][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4761.307856][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4761.307856][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4761.307856][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4761.307856][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4761.307856][ T1167] addrconf_dad_begin+0x310/0x670 [ 4761.307856][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4761.307856][ T1167] process_one_work+0x84d/0x18a0 [ 4761.307856][ T1167] worker_thread+0x587/0xd30 [ 4761.307856][ T1167] kthread+0x28a/0x350 [ 4761.307856][ T1167] ret_from_fork+0x31/0x70 [ 4761.307856][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4761.307856][ T1167] [ 4761.310038][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4761.310038][ T1167] netdev_get_by_index+0x5e/0x80 [ 4761.310038][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4761.310038][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4761.310038][ T1167] ip6_route_add+0x1c/0x140 [ 4761.310038][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4761.310038][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4761.310038][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4761.310038][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4761.310038][ T1167] netlink_rcv_skb+0x130/0x360 [ 4761.310038][ T1167] netlink_unicast+0x449/0x710 [ 4761.310038][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4761.310038][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4761.310038][ T1167] ___sys_sendmsg+0xee/0x170 [ 4761.310038][ T1167] __sys_sendmsg+0xcd/0x170 [ 4761.310038][ T1167] do_syscall_64+0xc6/0x1e0 [ 4761.310038][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4761.310038][ T1167] [ 4761.312295][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4761.312295][ T1167] netdev_get_by_index+0x5e/0x80 [ 4761.312295][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4761.312295][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4761.312295][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4761.312295][ T1167] ipv6_add_addr+0x411/0x2000 [ 4761.312295][ T1167] inet6_addr_add+0x30e/0xa40 [ 4761.312295][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4761.312295][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4761.312295][ T1167] netlink_rcv_skb+0x130/0x360 [ 4761.312295][ T1167] netlink_unicast+0x449/0x710 [ 4761.312295][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4761.312295][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4761.312295][ T1167] ___sys_sendmsg+0xee/0x170 [ 4761.312295][ T1167] __sys_sendmsg+0xcd/0x170 [ 4761.312295][ T1167] do_syscall_64+0xc6/0x1e0 [ 4761.312295][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4761.312295][ T1167] [ 4761.314542][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4761.314542][ T1167] netdev_get_by_index+0x5e/0x80 [ 4761.314542][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4761.314542][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4761.314542][ T1167] ip6_route_add+0x1c/0x140 [ 4761.314542][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4761.314542][ T1167] addrconf_add_dev+0xe2/0x170 [ 4761.314542][ T1167] inet6_addr_add+0x12f/0xa40 [ 4761.314542][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4761.314542][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4761.314542][ T1167] netlink_rcv_skb+0x130/0x360 [ 4761.314542][ T1167] netlink_unicast+0x449/0x710 [ 4761.314542][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4761.314542][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4761.314542][ T1167] ___sys_sendmsg+0xee/0x170 [ 4761.314542][ T1167] __sys_sendmsg+0xcd/0x170 [ 4761.314542][ T1167] do_syscall_64+0xc6/0x1e0 [ 4761.314542][ T1167] [ 4761.316764][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4761.316764][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4761.316764][ T1167] ipv6_find_idev+0x102/0x170 [ 4761.316764][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4761.316764][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4761.316764][ T1167] netlink_rcv_skb+0x130/0x360 [ 4761.316764][ T1167] netlink_unicast+0x449/0x710 [ 4761.316764][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4761.316764][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4761.316764][ T1167] ___sys_sendmsg+0xee/0x170 [ 4761.316764][ T1167] __sys_sendmsg+0xcd/0x170 [ 4761.316764][ T1167] do_syscall_64+0xc6/0x1e0 [ 4761.316764][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4761.316764][ T1167] [ 4761.318504][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4761.318504][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4761.318504][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4761.318504][ T1167] ipv6_find_idev+0x102/0x170 [ 4761.318504][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4761.318504][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4761.318504][ T1167] netlink_rcv_skb+0x130/0x360 [ 4761.318504][ T1167] netlink_unicast+0x449/0x710 [ 4761.318504][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4761.318504][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4761.318504][ T1167] ___sys_sendmsg+0xee/0x170 [ 4761.318504][ T1167] __sys_sendmsg+0xcd/0x170 [ 4761.318504][ T1167] do_syscall_64+0xc6/0x1e0 [ 4761.318504][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4761.318504][ T1167] [ 4766.905159][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4766.905585][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4766.905585][ T10] netdev_get_by_index+0x5e/0x80 [ 4766.905585][ T10] fib6_nh_init+0x3d8/0x1580 [ 4766.905585][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4766.905585][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4766.905585][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4766.905585][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4766.905585][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4766.905585][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4766.905585][ T10] addrconf_dad_begin+0x310/0x670 [ 4766.905585][ T10] addrconf_dad_work+0x10b/0xab0 [ 4766.905585][ T10] process_one_work+0x84d/0x18a0 [ 4766.905585][ T10] worker_thread+0x587/0xd30 [ 4766.905585][ T10] kthread+0x28a/0x350 [ 4766.905585][ T10] ret_from_fork+0x31/0x70 [ 4766.905585][ T10] ret_from_fork_asm+0x1a/0x30 [ 4766.905585][ T10] [ 4766.907550][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4766.907550][ T10] netdev_get_by_index+0x5e/0x80 [ 4766.907550][ T10] fib6_nh_init+0x3d8/0x1580 [ 4766.907550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4766.907550][ T10] ip6_route_add+0x1c/0x140 [ 4766.907550][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4766.907550][ T10] inet6_addr_add+0x4f8/0xa40 [ 4766.907550][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4766.907550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4766.907550][ T10] netlink_rcv_skb+0x130/0x360 [ 4766.907550][ T10] netlink_unicast+0x449/0x710 [ 4766.907550][ T10] netlink_sendmsg+0x723/0xbe0 [ 4766.907550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4766.907550][ T10] ___sys_sendmsg+0xee/0x170 [ 4766.907550][ T10] __sys_sendmsg+0xcd/0x170 [ 4766.907550][ T10] do_syscall_64+0xc6/0x1e0 [ 4766.907550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4766.907550][ T10] [ 4766.909582][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4766.909582][ T10] netdev_get_by_index+0x5e/0x80 [ 4766.909582][ T10] fib6_nh_init+0x3d8/0x1580 [ 4766.909582][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4766.909582][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4766.909582][ T10] ipv6_add_addr+0x411/0x2000 [ 4766.909582][ T10] inet6_addr_add+0x30e/0xa40 [ 4766.909582][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4766.909582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4766.909582][ T10] netlink_rcv_skb+0x130/0x360 [ 4766.909582][ T10] netlink_unicast+0x449/0x710 [ 4766.909582][ T10] netlink_sendmsg+0x723/0xbe0 [ 4766.909582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4766.909582][ T10] ___sys_sendmsg+0xee/0x170 [ 4766.909582][ T10] __sys_sendmsg+0xcd/0x170 [ 4766.909582][ T10] do_syscall_64+0xc6/0x1e0 [ 4766.909582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4766.909582][ T10] [ 4766.911615][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4766.911615][ T10] netdev_get_by_index+0x5e/0x80 [ 4766.911615][ T10] fib6_nh_init+0x3d8/0x1580 [ 4766.911615][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4766.911615][ T10] ip6_route_add+0x1c/0x140 [ 4766.911615][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4766.911615][ T10] addrconf_add_dev+0xe2/0x170 [ 4766.911615][ T10] inet6_addr_add+0x12f/0xa40 [ 4766.911615][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4766.911615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4766.911615][ T10] netlink_rcv_skb+0x130/0x360 [ 4766.911615][ T10] netlink_unicast+0x449/0x710 [ 4766.911615][ T10] netlink_sendmsg+0x723/0xbe0 [ 4766.911615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4766.911615][ T10] ___sys_sendmsg+0xee/0x170 [ 4766.911615][ T10] __sys_sendmsg+0xcd/0x170 [ 4766.911615][ T10] do_syscall_64+0xc6/0x1e0 [ 4766.911615][ T10] [ 4766.913603][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4766.913603][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4766.913603][ T10] ipv6_find_idev+0x102/0x170 [ 4766.913603][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4766.913603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4766.913603][ T10] netlink_rcv_skb+0x130/0x360 [ 4766.913603][ T10] netlink_unicast+0x449/0x710 [ 4766.913603][ T10] netlink_sendmsg+0x723/0xbe0 [ 4766.913603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4766.913603][ T10] ___sys_sendmsg+0xee/0x170 [ 4766.913603][ T10] __sys_sendmsg+0xcd/0x170 [ 4766.913603][ T10] do_syscall_64+0xc6/0x1e0 [ 4766.913603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4766.913603][ T10] [ 4766.915249][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4766.915249][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4766.915249][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4766.915249][ T10] ipv6_find_idev+0x102/0x170 [ 4766.915249][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4766.915249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4766.915249][ T10] netlink_rcv_skb+0x130/0x360 [ 4766.915249][ T10] netlink_unicast+0x449/0x710 [ 4766.915249][ T10] netlink_sendmsg+0x723/0xbe0 [ 4766.915249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4766.915249][ T10] ___sys_sendmsg+0xee/0x170 [ 4766.915249][ T10] __sys_sendmsg+0xcd/0x170 [ 4766.915249][ T10] do_syscall_64+0xc6/0x1e0 [ 4766.915249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4766.915249][ T10] [ 4766.917329][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4766.917619][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4766.917619][ T10] netdev_get_by_index+0x5e/0x80 [ 4766.917619][ T10] fib6_nh_init+0x3d8/0x1580 [ 4766.917619][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4766.917619][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4766.917619][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4766.917619][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4766.917619][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4766.917619][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4766.917619][ T10] addrconf_dad_begin+0x310/0x670 [ 4766.917619][ T10] addrconf_dad_work+0x10b/0xab0 [ 4766.917619][ T10] process_one_work+0x84d/0x18a0 [ 4766.917619][ T10] worker_thread+0x587/0xd30 [ 4766.917619][ T10] kthread+0x28a/0x350 [ 4766.917619][ T10] ret_from_fork+0x31/0x70 [ 4766.917619][ T10] ret_from_fork_asm+0x1a/0x30 [ 4766.917619][ T10] [ 4766.919900][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4766.919900][ T10] netdev_get_by_index+0x5e/0x80 [ 4766.919900][ T10] fib6_nh_init+0x3d8/0x1580 [ 4766.919900][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4766.919900][ T10] ip6_route_add+0x1c/0x140 [ 4766.919900][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4766.919900][ T10] inet6_addr_add+0x4f8/0xa40 [ 4766.919900][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4766.919900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4766.919900][ T10] netlink_rcv_skb+0x130/0x360 [ 4766.919900][ T10] netlink_unicast+0x449/0x710 [ 4766.919900][ T10] netlink_sendmsg+0x723/0xbe0 [ 4766.919900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4766.919900][ T10] ___sys_sendmsg+0xee/0x170 [ 4766.919900][ T10] __sys_sendmsg+0xcd/0x170 [ 4766.919900][ T10] do_syscall_64+0xc6/0x1e0 [ 4766.919900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4766.919900][ T10] [ 4766.921943][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4766.921943][ T10] netdev_get_by_index+0x5e/0x80 [ 4766.921943][ T10] fib6_nh_init+0x3d8/0x1580 [ 4766.921943][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4766.921943][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4766.921943][ T10] ipv6_add_addr+0x411/0x2000 [ 4766.921943][ T10] inet6_addr_add+0x30e/0xa40 [ 4766.921943][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4766.921943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4766.921943][ T10] netlink_rcv_skb+0x130/0x360 [ 4766.921943][ T10] netlink_unicast+0x449/0x710 [ 4766.921943][ T10] netlink_sendmsg+0x723/0xbe0 [ 4766.921943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4766.921943][ T10] ___sys_sendmsg+0xee/0x170 [ 4766.921943][ T10] __sys_sendmsg+0xcd/0x170 [ 4766.921943][ T10] do_syscall_64+0xc6/0x1e0 [ 4766.921943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4766.921943][ T10] [ 4766.923975][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4766.923975][ T10] netdev_get_by_index+0x5e/0x80 [ 4766.923975][ T10] fib6_nh_init+0x3d8/0x1580 [ 4766.923975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4766.923975][ T10] ip6_route_add+0x1c/0x140 [ 4766.923975][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4766.923975][ T10] addrconf_add_dev+0xe2/0x170 [ 4766.923975][ T10] inet6_addr_add+0x12f/0xa40 [ 4766.923975][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4766.923975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4766.923975][ T10] netlink_rcv_skb+0x130/0x360 [ 4766.923975][ T10] netlink_unicast+0x449/0x710 [ 4766.923975][ T10] netlink_sendmsg+0x723/0xbe0 [ 4766.923975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4766.923975][ T10] ___sys_sendmsg+0xee/0x170 [ 4766.923975][ T10] __sys_sendmsg+0xcd/0x170 [ 4766.923975][ T10] do_syscall_64+0xc6/0x1e0 [ 4766.923975][ T10] [ 4766.926122][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4766.926122][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4766.926122][ T10] ipv6_find_idev+0x102/0x170 [ 4766.926122][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4766.926122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4766.926122][ T10] netlink_rcv_skb+0x130/0x360 [ 4766.926122][ T10] netlink_unicast+0x449/0x710 [ 4766.926122][ T10] netlink_sendmsg+0x723/0xbe0 [ 4766.926122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4766.926122][ T10] ___sys_sendmsg+0xee/0x170 [ 4766.926122][ T10] __sys_sendmsg+0xcd/0x170 [ 4766.926122][ T10] do_syscall_64+0xc6/0x1e0 [ 4766.926122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4766.926122][ T10] [ 4766.928015][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4766.928015][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4766.928015][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4766.928015][ T10] ipv6_find_idev+0x102/0x170 [ 4766.928015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4766.928015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4766.928015][ T10] netlink_rcv_skb+0x130/0x360 [ 4766.928015][ T10] netlink_unicast+0x449/0x710 [ 4766.928015][ T10] netlink_sendmsg+0x723/0xbe0 [ 4766.928015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4766.928015][ T10] ___sys_sendmsg+0xee/0x170 [ 4766.928015][ T10] __sys_sendmsg+0xcd/0x170 [ 4766.928015][ T10] do_syscall_64+0xc6/0x1e0 [ 4766.928015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4766.928015][ T10] [ 4766.930071][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4766.930364][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4766.930364][ T10] netdev_get_by_index+0x5e/0x80 [ 4766.930364][ T10] fib6_nh_init+0x3d8/0x1580 [ 4766.930364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4766.930364][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4766.930364][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4766.930364][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4766.930364][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4766.930364][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4766.930364][ T10] addrconf_dad_begin+0x310/0x670 [ 4766.930364][ T10] addrconf_dad_work+0x10b/0xab0 [ 4766.930364][ T10] process_one_work+0x84d/0x18a0 [ 4766.930364][ T10] worker_thread+0x587/0xd30 [ 4766.930364][ T10] kthread+0x28a/0x350 [ 4766.930364][ T10] ret_from_fork+0x31/0x70 [ 4766.930364][ T10] ret_from_fork_asm+0x1a/0x30 [ 4766.930364][ T10] [ 4766.932696][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4766.932696][ T10] netdev_get_by_index+0x5e/0x80 [ 4766.932696][ T10] fib6_nh_init+0x3d8/0x1580 [ 4766.932696][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4766.932696][ T10] ip6_route_add+0x1c/0x140 [ 4766.932696][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4766.932696][ T10] inet6_addr_add+0x4f8/0xa40 [ 4766.932696][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4766.932696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4766.932696][ T10] netlink_rcv_skb+0x130/0x360 [ 4766.932696][ T10] netlink_unicast+0x449/0x710 [ 4766.932696][ T10] netlink_sendmsg+0x723/0xbe0 [ 4766.932696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4766.932696][ T10] ___sys_sendmsg+0xee/0x170 [ 4766.932696][ T10] __sys_sendmsg+0xcd/0x170 [ 4766.932696][ T10] do_syscall_64+0xc6/0x1e0 [ 4766.932696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4766.932696][ T10] [ 4766.935336][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4766.935336][ T10] netdev_get_by_index+0x5e/0x80 [ 4766.935336][ T10] fib6_nh_init+0x3d8/0x1580 [ 4766.935336][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4766.935336][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4766.935336][ T10] ipv6_add_addr+0x411/0x2000 [ 4766.935336][ T10] inet6_addr_add+0x30e/0xa40 [ 4766.935336][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4766.935336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4766.935336][ T10] netlink_rcv_skb+0x130/0x360 [ 4766.935336][ T10] netlink_unicast+0x449/0x710 [ 4766.935336][ T10] netlink_sendmsg+0x723/0xbe0 [ 4766.935336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4766.935336][ T10] ___sys_sendmsg+0xee/0x170 [ 4766.935336][ T10] __sys_sendmsg+0xcd/0x170 [ 4766.935336][ T10] do_syscall_64+0xc6/0x1e0 [ 4766.935336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4766.935336][ T10] [ 4766.938086][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4766.938086][ T10] netdev_get_by_index+0x5e/0x80 [ 4766.938086][ T10] fib6_nh_init+0x3d8/0x1580 [ 4766.938086][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4766.938086][ T10] ip6_route_add+0x1c/0x140 [ 4766.938086][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4766.938086][ T10] addrconf_add_dev+0xe2/0x170 [ 4766.938086][ T10] inet6_addr_add+0x12f/0xa40 [ 4766.938086][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4766.938086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4766.938086][ T10] netlink_rcv_skb+0x130/0x360 [ 4766.938086][ T10] netlink_unicast+0x449/0x710 [ 4766.938086][ T10] netlink_sendmsg+0x723/0xbe0 [ 4766.938086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4766.938086][ T10] ___sys_sendmsg+0xee/0x170 [ 4766.938086][ T10] __sys_sendmsg+0xcd/0x170 [ 4766.938086][ T10] do_syscall_64+0xc6/0x1e0 [ 4766.938086][ T10] [ 4766.940717][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4766.940717][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4766.940717][ T10] ipv6_find_idev+0x102/0x170 [ 4766.940717][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4766.940717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4766.940717][ T10] netlink_rcv_skb+0x130/0x360 [ 4766.940717][ T10] netlink_unicast+0x449/0x710 [ 4766.940717][ T10] netlink_sendmsg+0x723/0xbe0 [ 4766.940717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4766.940717][ T10] ___sys_sendmsg+0xee/0x170 [ 4766.940717][ T10] __sys_sendmsg+0xcd/0x170 [ 4766.940717][ T10] do_syscall_64+0xc6/0x1e0 [ 4766.940717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4766.940717][ T10] [ 4766.942769][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4766.942769][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4766.942769][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4766.942769][ T10] ipv6_find_idev+0x102/0x170 [ 4766.942769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4766.942769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4766.942769][ T10] netlink_rcv_skb+0x130/0x360 [ 4766.942769][ T10] netlink_unicast+0x449/0x710 [ 4766.942769][ T10] netlink_sendmsg+0x723/0xbe0 [ 4766.942769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4766.942769][ T10] ___sys_sendmsg+0xee/0x170 [ 4766.942769][ T10] __sys_sendmsg+0xcd/0x170 [ 4766.942769][ T10] do_syscall_64+0xc6/0x1e0 [ 4766.942769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4766.942769][ T10] [ 4766.945017][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4766.945300][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4766.945300][ T10] netdev_get_by_index+0x5e/0x80 [ 4766.945300][ T10] fib6_nh_init+0x3d8/0x1580 [ 4766.945300][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4766.945300][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4766.945300][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4766.945300][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4766.945300][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4766.945300][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4766.945300][ T10] addrconf_dad_begin+0x310/0x670 [ 4766.945300][ T10] addrconf_dad_work+0x10b/0xab0 [ 4766.945300][ T10] process_one_work+0x84d/0x18a0 [ 4766.945300][ T10] worker_thread+0x587/0xd30 [ 4766.945300][ T10] kthread+0x28a/0x350 [ 4766.945300][ T10] ret_from_fork+0x31/0x70 [ 4766.945300][ T10] ret_from_fork_asm+0x1a/0x30 [ 4766.945300][ T10] [ 4766.947962][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4766.947962][ T10] netdev_get_by_index+0x5e/0x80 [ 4766.947962][ T10] fib6_nh_init+0x3d8/0x1580 [ 4766.947962][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4766.947962][ T10] ip6_route_add+0x1c/0x140 [ 4766.947962][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4766.947962][ T10] inet6_addr_add+0x4f8/0xa40 [ 4766.947962][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4766.947962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4766.947962][ T10] netlink_rcv_skb+0x130/0x360 [ 4766.947962][ T10] netlink_unicast+0x449/0x710 [ 4766.947962][ T10] netlink_sendmsg+0x723/0xbe0 [ 4766.947962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4766.947962][ T10] ___sys_sendmsg+0xee/0x170 [ 4766.947962][ T10] __sys_sendmsg+0xcd/0x170 [ 4766.947962][ T10] do_syscall_64+0xc6/0x1e0 [ 4766.947962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4766.947962][ T10] [ 4766.950634][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4766.950634][ T10] netdev_get_by_index+0x5e/0x80 [ 4766.950634][ T10] fib6_nh_init+0x3d8/0x1580 [ 4766.950634][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4766.950634][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4766.950634][ T10] ipv6_add_addr+0x411/0x2000 [ 4766.950634][ T10] inet6_addr_add+0x30e/0xa40 [ 4766.950634][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4766.950634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4766.950634][ T10] netlink_rcv_skb+0x130/0x360 [ 4766.950634][ T10] netlink_unicast+0x449/0x710 [ 4766.950634][ T10] netlink_sendmsg+0x723/0xbe0 [ 4766.950634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4766.950634][ T10] ___sys_sendmsg+0xee/0x170 [ 4766.950634][ T10] __sys_sendmsg+0xcd/0x170 [ 4766.950634][ T10] do_syscall_64+0xc6/0x1e0 [ 4766.950634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4766.950634][ T10] [ 4766.953253][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4766.953253][ T10] netdev_get_by_index+0x5e/0x80 [ 4766.953253][ T10] fib6_nh_init+0x3d8/0x1580 [ 4766.953253][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4766.953253][ T10] ip6_route_add+0x1c/0x140 [ 4766.953253][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4766.953253][ T10] addrconf_add_dev+0xe2/0x170 [ 4766.953253][ T10] inet6_addr_add+0x12f/0xa40 [ 4766.953253][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4766.953253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4766.953253][ T10] netlink_rcv_skb+0x130/0x360 [ 4766.953253][ T10] netlink_unicast+0x449/0x710 [ 4766.953253][ T10] netlink_sendmsg+0x723/0xbe0 [ 4766.953253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4766.953253][ T10] ___sys_sendmsg+0xee/0x170 [ 4766.953253][ T10] __sys_sendmsg+0xcd/0x170 [ 4766.953253][ T10] do_syscall_64+0xc6/0x1e0 [ 4766.953253][ T10] [ 4766.955776][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4766.955776][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4766.955776][ T10] ipv6_find_idev+0x102/0x170 [ 4766.955776][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4766.955776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4766.955776][ T10] netlink_rcv_skb+0x130/0x360 [ 4766.955776][ T10] netlink_unicast+0x449/0x710 [ 4766.955776][ T10] netlink_sendmsg+0x723/0xbe0 [ 4766.955776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4766.955776][ T10] ___sys_sendmsg+0xee/0x170 [ 4766.955776][ T10] __sys_sendmsg+0xcd/0x170 [ 4766.955776][ T10] do_syscall_64+0xc6/0x1e0 [ 4766.955776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4766.955776][ T10] [ 4766.957786][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4766.957786][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4766.957786][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4766.957786][ T10] ipv6_find_idev+0x102/0x170 [ 4766.957786][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4766.957786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4766.957786][ T10] netlink_rcv_skb+0x130/0x360 [ 4766.957786][ T10] netlink_unicast+0x449/0x710 [ 4766.957786][ T10] netlink_sendmsg+0x723/0xbe0 [ 4766.957786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4766.957786][ T10] ___sys_sendmsg+0xee/0x170 [ 4766.957786][ T10] __sys_sendmsg+0xcd/0x170 [ 4766.957786][ T10] do_syscall_64+0xc6/0x1e0 [ 4766.957786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4766.957786][ T10] [ 4771.561116][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4771.561585][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4771.561585][ T1167] dst_init+0x84/0x4a0 [ 4771.561585][ T1167] dst_alloc+0x97/0x150 [ 4771.561585][ T1167] ip6_dst_alloc+0x23/0x90 [ 4771.561585][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4771.561585][ T1167] ip6_pol_route+0x56f/0x840 [ 4771.561585][ T1167] fib6_rule_lookup+0x334/0x630 [ 4771.561585][ T1167] ip6_route_output_flags+0x259/0x480 [ 4771.561585][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4771.561585][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4771.561585][ T1167] netlink_rcv_skb+0x130/0x360 [ 4771.561585][ T1167] netlink_unicast+0x449/0x710 [ 4771.561585][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4771.561585][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4771.561585][ T1167] ___sys_sendmsg+0xee/0x170 [ 4771.561585][ T1167] __sys_sendmsg+0xcd/0x170 [ 4771.561585][ T1167] do_syscall_64+0xc6/0x1e0 [ 4771.561585][ T1167] [ 4771.563816][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4771.563816][ T1167] netdev_get_by_index+0x5e/0x80 [ 4771.563816][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4771.563816][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4771.563816][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4771.563816][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4771.563816][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4771.563816][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4771.563816][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4771.563816][ T1167] addrconf_dad_begin+0x310/0x670 [ 4771.563816][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4771.563816][ T1167] process_one_work+0x84d/0x18a0 [ 4771.563816][ T1167] worker_thread+0x587/0xd30 [ 4771.563816][ T1167] kthread+0x28a/0x350 [ 4771.563816][ T1167] ret_from_fork+0x31/0x70 [ 4771.563816][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4771.563816][ T1167] [ 4771.565988][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4771.565988][ T1167] netdev_get_by_index+0x5e/0x80 [ 4771.565988][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4771.565988][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4771.565988][ T1167] ip6_route_add+0x1c/0x140 [ 4771.565988][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4771.565988][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4771.565988][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4771.565988][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4771.565988][ T1167] netlink_rcv_skb+0x130/0x360 [ 4771.565988][ T1167] netlink_unicast+0x449/0x710 [ 4771.565988][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4771.565988][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4771.565988][ T1167] ___sys_sendmsg+0xee/0x170 [ 4771.565988][ T1167] __sys_sendmsg+0xcd/0x170 [ 4771.565988][ T1167] do_syscall_64+0xc6/0x1e0 [ 4771.565988][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4771.565988][ T1167] [ 4771.568254][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4771.568254][ T1167] netdev_get_by_index+0x5e/0x80 [ 4771.568254][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4771.568254][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4771.568254][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4771.568254][ T1167] ipv6_add_addr+0x411/0x2000 [ 4771.568254][ T1167] inet6_addr_add+0x30e/0xa40 [ 4771.568254][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4771.568254][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4771.568254][ T1167] netlink_rcv_skb+0x130/0x360 [ 4771.568254][ T1167] netlink_unicast+0x449/0x710 [ 4771.568254][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4771.568254][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4771.568254][ T1167] ___sys_sendmsg+0xee/0x170 [ 4771.568254][ T1167] __sys_sendmsg+0xcd/0x170 [ 4771.568254][ T1167] do_syscall_64+0xc6/0x1e0 [ 4771.568254][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4771.568254][ T1167] [ 4771.570504][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4771.570504][ T1167] netdev_get_by_index+0x5e/0x80 [ 4771.570504][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4771.570504][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4771.570504][ T1167] ip6_route_add+0x1c/0x140 [ 4771.570504][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4771.570504][ T1167] addrconf_add_dev+0xe2/0x170 [ 4771.570504][ T1167] inet6_addr_add+0x12f/0xa40 [ 4771.570504][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4771.570504][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4771.570504][ T1167] netlink_rcv_skb+0x130/0x360 [ 4771.570504][ T1167] netlink_unicast+0x449/0x710 [ 4771.570504][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4771.570504][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4771.570504][ T1167] ___sys_sendmsg+0xee/0x170 [ 4771.570504][ T1167] __sys_sendmsg+0xcd/0x170 [ 4771.570504][ T1167] do_syscall_64+0xc6/0x1e0 [ 4771.570504][ T1167] [ 4771.572727][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4771.572727][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4771.572727][ T1167] ipv6_find_idev+0x102/0x170 [ 4771.572727][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4771.572727][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4771.572727][ T1167] netlink_rcv_skb+0x130/0x360 [ 4771.572727][ T1167] netlink_unicast+0x449/0x710 [ 4771.572727][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4771.572727][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4771.572727][ T1167] ___sys_sendmsg+0xee/0x170 [ 4771.572727][ T1167] __sys_sendmsg+0xcd/0x170 [ 4771.572727][ T1167] do_syscall_64+0xc6/0x1e0 [ 4771.572727][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4771.572727][ T1167] [ 4771.574481][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4771.574481][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4771.574481][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4771.574481][ T1167] ipv6_find_idev+0x102/0x170 [ 4771.574481][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4771.574481][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4771.574481][ T1167] netlink_rcv_skb+0x130/0x360 [ 4771.574481][ T1167] netlink_unicast+0x449/0x710 [ 4771.574481][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4771.574481][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4771.574481][ T1167] ___sys_sendmsg+0xee/0x170 [ 4771.574481][ T1167] __sys_sendmsg+0xcd/0x170 [ 4771.574481][ T1167] do_syscall_64+0xc6/0x1e0 [ 4771.574481][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4771.574481][ T1167] [ 4777.201151][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4777.201572][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4777.201572][ T10] netdev_get_by_index+0x5e/0x80 [ 4777.201572][ T10] fib6_nh_init+0x3d8/0x1580 [ 4777.201572][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4777.201572][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4777.201572][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4777.201572][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4777.201572][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4777.201572][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4777.201572][ T10] addrconf_dad_begin+0x310/0x670 [ 4777.201572][ T10] addrconf_dad_work+0x10b/0xab0 [ 4777.201572][ T10] process_one_work+0x84d/0x18a0 [ 4777.201572][ T10] worker_thread+0x587/0xd30 [ 4777.201572][ T10] kthread+0x28a/0x350 [ 4777.201572][ T10] ret_from_fork+0x31/0x70 [ 4777.201572][ T10] ret_from_fork_asm+0x1a/0x30 [ 4777.201572][ T10] [ 4777.203567][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4777.203567][ T10] netdev_get_by_index+0x5e/0x80 [ 4777.203567][ T10] fib6_nh_init+0x3d8/0x1580 [ 4777.203567][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4777.203567][ T10] ip6_route_add+0x1c/0x140 [ 4777.203567][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4777.203567][ T10] inet6_addr_add+0x4f8/0xa40 [ 4777.203567][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4777.203567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.203567][ T10] netlink_rcv_skb+0x130/0x360 [ 4777.203567][ T10] netlink_unicast+0x449/0x710 [ 4777.203567][ T10] netlink_sendmsg+0x723/0xbe0 [ 4777.203567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4777.203567][ T10] ___sys_sendmsg+0xee/0x170 [ 4777.203567][ T10] __sys_sendmsg+0xcd/0x170 [ 4777.203567][ T10] do_syscall_64+0xc6/0x1e0 [ 4777.203567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.203567][ T10] [ 4777.205657][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4777.205657][ T10] netdev_get_by_index+0x5e/0x80 [ 4777.205657][ T10] fib6_nh_init+0x3d8/0x1580 [ 4777.205657][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4777.205657][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4777.205657][ T10] ipv6_add_addr+0x411/0x2000 [ 4777.205657][ T10] inet6_addr_add+0x30e/0xa40 [ 4777.205657][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4777.205657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.205657][ T10] netlink_rcv_skb+0x130/0x360 [ 4777.205657][ T10] netlink_unicast+0x449/0x710 [ 4777.205657][ T10] netlink_sendmsg+0x723/0xbe0 [ 4777.205657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4777.205657][ T10] ___sys_sendmsg+0xee/0x170 [ 4777.205657][ T10] __sys_sendmsg+0xcd/0x170 [ 4777.205657][ T10] do_syscall_64+0xc6/0x1e0 [ 4777.205657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.205657][ T10] [ 4777.207691][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4777.207691][ T10] netdev_get_by_index+0x5e/0x80 [ 4777.207691][ T10] fib6_nh_init+0x3d8/0x1580 [ 4777.207691][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4777.207691][ T10] ip6_route_add+0x1c/0x140 [ 4777.207691][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4777.207691][ T10] addrconf_add_dev+0xe2/0x170 [ 4777.207691][ T10] inet6_addr_add+0x12f/0xa40 [ 4777.207691][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4777.207691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.207691][ T10] netlink_rcv_skb+0x130/0x360 [ 4777.207691][ T10] netlink_unicast+0x449/0x710 [ 4777.207691][ T10] netlink_sendmsg+0x723/0xbe0 [ 4777.207691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4777.207691][ T10] ___sys_sendmsg+0xee/0x170 [ 4777.207691][ T10] __sys_sendmsg+0xcd/0x170 [ 4777.207691][ T10] do_syscall_64+0xc6/0x1e0 [ 4777.207691][ T10] [ 4777.209696][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4777.209696][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4777.209696][ T10] ipv6_find_idev+0x102/0x170 [ 4777.209696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4777.209696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.209696][ T10] netlink_rcv_skb+0x130/0x360 [ 4777.209696][ T10] netlink_unicast+0x449/0x710 [ 4777.209696][ T10] netlink_sendmsg+0x723/0xbe0 [ 4777.209696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4777.209696][ T10] ___sys_sendmsg+0xee/0x170 [ 4777.209696][ T10] __sys_sendmsg+0xcd/0x170 [ 4777.209696][ T10] do_syscall_64+0xc6/0x1e0 [ 4777.209696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.209696][ T10] [ 4777.211272][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4777.211272][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4777.211272][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4777.211272][ T10] ipv6_find_idev+0x102/0x170 [ 4777.211272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4777.211272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.211272][ T10] netlink_rcv_skb+0x130/0x360 [ 4777.211272][ T10] netlink_unicast+0x449/0x710 [ 4777.211272][ T10] netlink_sendmsg+0x723/0xbe0 [ 4777.211272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4777.211272][ T10] ___sys_sendmsg+0xee/0x170 [ 4777.211272][ T10] __sys_sendmsg+0xcd/0x170 [ 4777.211272][ T10] do_syscall_64+0xc6/0x1e0 [ 4777.211272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.211272][ T10] [ 4777.213008][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4777.213259][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4777.213259][ T10] netdev_get_by_index+0x5e/0x80 [ 4777.213259][ T10] fib6_nh_init+0x3d8/0x1580 [ 4777.213259][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4777.213259][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4777.213259][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4777.213259][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4777.213259][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4777.213259][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4777.213259][ T10] addrconf_dad_begin+0x310/0x670 [ 4777.213259][ T10] addrconf_dad_work+0x10b/0xab0 [ 4777.213259][ T10] process_one_work+0x84d/0x18a0 [ 4777.213259][ T10] worker_thread+0x587/0xd30 [ 4777.213259][ T10] kthread+0x28a/0x350 [ 4777.213259][ T10] ret_from_fork+0x31/0x70 [ 4777.213259][ T10] ret_from_fork_asm+0x1a/0x30 [ 4777.213259][ T10] [ 4777.215211][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4777.215211][ T10] netdev_get_by_index+0x5e/0x80 [ 4777.215211][ T10] fib6_nh_init+0x3d8/0x1580 [ 4777.215211][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4777.215211][ T10] ip6_route_add+0x1c/0x140 [ 4777.215211][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4777.215211][ T10] inet6_addr_add+0x4f8/0xa40 [ 4777.215211][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4777.215211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.215211][ T10] netlink_rcv_skb+0x130/0x360 [ 4777.215211][ T10] netlink_unicast+0x449/0x710 [ 4777.215211][ T10] netlink_sendmsg+0x723/0xbe0 [ 4777.215211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4777.215211][ T10] ___sys_sendmsg+0xee/0x170 [ 4777.215211][ T10] __sys_sendmsg+0xcd/0x170 [ 4777.215211][ T10] do_syscall_64+0xc6/0x1e0 [ 4777.215211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.215211][ T10] [ 4777.217268][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4777.217268][ T10] netdev_get_by_index+0x5e/0x80 [ 4777.217268][ T10] fib6_nh_init+0x3d8/0x1580 [ 4777.217268][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4777.217268][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4777.217268][ T10] ipv6_add_addr+0x411/0x2000 [ 4777.217268][ T10] inet6_addr_add+0x30e/0xa40 [ 4777.217268][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4777.217268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.217268][ T10] netlink_rcv_skb+0x130/0x360 [ 4777.217268][ T10] netlink_unicast+0x449/0x710 [ 4777.217268][ T10] netlink_sendmsg+0x723/0xbe0 [ 4777.217268][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4777.217268][ T10] ___sys_sendmsg+0xee/0x170 [ 4777.217268][ T10] __sys_sendmsg+0xcd/0x170 [ 4777.217268][ T10] do_syscall_64+0xc6/0x1e0 [ 4777.217268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.217268][ T10] [ 4777.219320][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4777.219320][ T10] netdev_get_by_index+0x5e/0x80 [ 4777.219320][ T10] fib6_nh_init+0x3d8/0x1580 [ 4777.219320][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4777.219320][ T10] ip6_route_add+0x1c/0x140 [ 4777.219320][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4777.219320][ T10] addrconf_add_dev+0xe2/0x170 [ 4777.219320][ T10] inet6_addr_add+0x12f/0xa40 [ 4777.219320][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4777.219320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.219320][ T10] netlink_rcv_skb+0x130/0x360 [ 4777.219320][ T10] netlink_unicast+0x449/0x710 [ 4777.219320][ T10] netlink_sendmsg+0x723/0xbe0 [ 4777.219320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4777.219320][ T10] ___sys_sendmsg+0xee/0x170 [ 4777.219320][ T10] __sys_sendmsg+0xcd/0x170 [ 4777.219320][ T10] do_syscall_64+0xc6/0x1e0 [ 4777.219320][ T10] [ 4777.221303][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4777.221303][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4777.221303][ T10] ipv6_find_idev+0x102/0x170 [ 4777.221303][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4777.221303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.221303][ T10] netlink_rcv_skb+0x130/0x360 [ 4777.221303][ T10] netlink_unicast+0x449/0x710 [ 4777.221303][ T10] netlink_sendmsg+0x723/0xbe0 [ 4777.221303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4777.221303][ T10] ___sys_sendmsg+0xee/0x170 [ 4777.221303][ T10] __sys_sendmsg+0xcd/0x170 [ 4777.221303][ T10] do_syscall_64+0xc6/0x1e0 [ 4777.221303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.221303][ T10] [ 4777.222865][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4777.222865][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4777.222865][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4777.222865][ T10] ipv6_find_idev+0x102/0x170 [ 4777.222865][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4777.222865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.222865][ T10] netlink_rcv_skb+0x130/0x360 [ 4777.222865][ T10] netlink_unicast+0x449/0x710 [ 4777.222865][ T10] netlink_sendmsg+0x723/0xbe0 [ 4777.222865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4777.222865][ T10] ___sys_sendmsg+0xee/0x170 [ 4777.222865][ T10] __sys_sendmsg+0xcd/0x170 [ 4777.222865][ T10] do_syscall_64+0xc6/0x1e0 [ 4777.222865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.222865][ T10] [ 4777.224596][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4777.224847][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4777.224847][ T10] netdev_get_by_index+0x5e/0x80 [ 4777.224847][ T10] fib6_nh_init+0x3d8/0x1580 [ 4777.224847][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4777.224847][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4777.224847][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4777.224847][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4777.224847][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4777.224847][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4777.224847][ T10] addrconf_dad_begin+0x310/0x670 [ 4777.224847][ T10] addrconf_dad_work+0x10b/0xab0 [ 4777.224847][ T10] process_one_work+0x84d/0x18a0 [ 4777.224847][ T10] worker_thread+0x587/0xd30 [ 4777.224847][ T10] kthread+0x28a/0x350 [ 4777.224847][ T10] ret_from_fork+0x31/0x70 [ 4777.224847][ T10] ret_from_fork_asm+0x1a/0x30 [ 4777.224847][ T10] [ 4777.226802][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4777.226802][ T10] netdev_get_by_index+0x5e/0x80 [ 4777.226802][ T10] fib6_nh_init+0x3d8/0x1580 [ 4777.226802][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4777.226802][ T10] ip6_route_add+0x1c/0x140 [ 4777.226802][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4777.226802][ T10] inet6_addr_add+0x4f8/0xa40 [ 4777.226802][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4777.226802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.226802][ T10] netlink_rcv_skb+0x130/0x360 [ 4777.226802][ T10] netlink_unicast+0x449/0x710 [ 4777.226802][ T10] netlink_sendmsg+0x723/0xbe0 [ 4777.226802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4777.226802][ T10] ___sys_sendmsg+0xee/0x170 [ 4777.226802][ T10] __sys_sendmsg+0xcd/0x170 [ 4777.226802][ T10] do_syscall_64+0xc6/0x1e0 [ 4777.226802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.226802][ T10] [ 4777.229034][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4777.229034][ T10] netdev_get_by_index+0x5e/0x80 [ 4777.229034][ T10] fib6_nh_init+0x3d8/0x1580 [ 4777.229034][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4777.229034][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4777.229034][ T10] ipv6_add_addr+0x411/0x2000 [ 4777.229034][ T10] inet6_addr_add+0x30e/0xa40 [ 4777.229034][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4777.229034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.229034][ T10] netlink_rcv_skb+0x130/0x360 [ 4777.229034][ T10] netlink_unicast+0x449/0x710 [ 4777.229034][ T10] netlink_sendmsg+0x723/0xbe0 [ 4777.229034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4777.229034][ T10] ___sys_sendmsg+0xee/0x170 [ 4777.229034][ T10] __sys_sendmsg+0xcd/0x170 [ 4777.229034][ T10] do_syscall_64+0xc6/0x1e0 [ 4777.229034][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.229034][ T10] [ 4777.231332][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4777.231332][ T10] netdev_get_by_index+0x5e/0x80 [ 4777.231332][ T10] fib6_nh_init+0x3d8/0x1580 [ 4777.231332][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4777.231332][ T10] ip6_route_add+0x1c/0x140 [ 4777.231332][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4777.231332][ T10] addrconf_add_dev+0xe2/0x170 [ 4777.231332][ T10] inet6_addr_add+0x12f/0xa40 [ 4777.231332][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4777.231332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.231332][ T10] netlink_rcv_skb+0x130/0x360 [ 4777.231332][ T10] netlink_unicast+0x449/0x710 [ 4777.231332][ T10] netlink_sendmsg+0x723/0xbe0 [ 4777.231332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4777.231332][ T10] ___sys_sendmsg+0xee/0x170 [ 4777.231332][ T10] __sys_sendmsg+0xcd/0x170 [ 4777.231332][ T10] do_syscall_64+0xc6/0x1e0 [ 4777.231332][ T10] [ 4777.233591][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4777.233591][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4777.233591][ T10] ipv6_find_idev+0x102/0x170 [ 4777.233591][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4777.233591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.233591][ T10] netlink_rcv_skb+0x130/0x360 [ 4777.233591][ T10] netlink_unicast+0x449/0x710 [ 4777.233591][ T10] netlink_sendmsg+0x723/0xbe0 [ 4777.233591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4777.233591][ T10] ___sys_sendmsg+0xee/0x170 [ 4777.233591][ T10] __sys_sendmsg+0xcd/0x170 [ 4777.233591][ T10] do_syscall_64+0xc6/0x1e0 [ 4777.233591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.233591][ T10] [ 4777.235348][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4777.235348][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4777.235348][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4777.235348][ T10] ipv6_find_idev+0x102/0x170 [ 4777.235348][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4777.235348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.235348][ T10] netlink_rcv_skb+0x130/0x360 [ 4777.235348][ T10] netlink_unicast+0x449/0x710 [ 4777.235348][ T10] netlink_sendmsg+0x723/0xbe0 [ 4777.235348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4777.235348][ T10] ___sys_sendmsg+0xee/0x170 [ 4777.235348][ T10] __sys_sendmsg+0xcd/0x170 [ 4777.235348][ T10] do_syscall_64+0xc6/0x1e0 [ 4777.235348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.235348][ T10] [ 4777.237347][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4777.237601][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4777.237601][ T10] netdev_get_by_index+0x5e/0x80 [ 4777.237601][ T10] fib6_nh_init+0x3d8/0x1580 [ 4777.237601][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4777.237601][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4777.237601][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4777.237601][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4777.237601][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4777.237601][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4777.237601][ T10] addrconf_dad_begin+0x310/0x670 [ 4777.237601][ T10] addrconf_dad_work+0x10b/0xab0 [ 4777.237601][ T10] process_one_work+0x84d/0x18a0 [ 4777.237601][ T10] worker_thread+0x587/0xd30 [ 4777.237601][ T10] kthread+0x28a/0x350 [ 4777.237601][ T10] ret_from_fork+0x31/0x70 [ 4777.237601][ T10] ret_from_fork_asm+0x1a/0x30 [ 4777.237601][ T10] [ 4777.239781][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4777.239781][ T10] netdev_get_by_index+0x5e/0x80 [ 4777.239781][ T10] fib6_nh_init+0x3d8/0x1580 [ 4777.239781][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4777.239781][ T10] ip6_route_add+0x1c/0x140 [ 4777.239781][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4777.239781][ T10] inet6_addr_add+0x4f8/0xa40 [ 4777.239781][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4777.239781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.239781][ T10] netlink_rcv_skb+0x130/0x360 [ 4777.239781][ T10] netlink_unicast+0x449/0x710 [ 4777.239781][ T10] netlink_sendmsg+0x723/0xbe0 [ 4777.239781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4777.239781][ T10] ___sys_sendmsg+0xee/0x170 [ 4777.239781][ T10] __sys_sendmsg+0xcd/0x170 [ 4777.239781][ T10] do_syscall_64+0xc6/0x1e0 [ 4777.239781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.239781][ T10] [ 4777.242067][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4777.242067][ T10] netdev_get_by_index+0x5e/0x80 [ 4777.242067][ T10] fib6_nh_init+0x3d8/0x1580 [ 4777.242067][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4777.242067][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4777.242067][ T10] ipv6_add_addr+0x411/0x2000 [ 4777.242067][ T10] inet6_addr_add+0x30e/0xa40 [ 4777.242067][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4777.242067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.242067][ T10] netlink_rcv_skb+0x130/0x360 [ 4777.242067][ T10] netlink_unicast+0x449/0x710 [ 4777.242067][ T10] netlink_sendmsg+0x723/0xbe0 [ 4777.242067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4777.242067][ T10] ___sys_sendmsg+0xee/0x170 [ 4777.242067][ T10] __sys_sendmsg+0xcd/0x170 [ 4777.242067][ T10] do_syscall_64+0xc6/0x1e0 [ 4777.242067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.242067][ T10] [ 4777.244285][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4777.244285][ T10] netdev_get_by_index+0x5e/0x80 [ 4777.244285][ T10] fib6_nh_init+0x3d8/0x1580 [ 4777.244285][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4777.244285][ T10] ip6_route_add+0x1c/0x140 [ 4777.244285][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4777.244285][ T10] addrconf_add_dev+0xe2/0x170 [ 4777.244285][ T10] inet6_addr_add+0x12f/0xa40 [ 4777.244285][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4777.244285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.244285][ T10] netlink_rcv_skb+0x130/0x360 [ 4777.244285][ T10] netlink_unicast+0x449/0x710 [ 4777.244285][ T10] netlink_sendmsg+0x723/0xbe0 [ 4777.244285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4777.244285][ T10] ___sys_sendmsg+0xee/0x170 [ 4777.244285][ T10] __sys_sendmsg+0xcd/0x170 [ 4777.244285][ T10] do_syscall_64+0xc6/0x1e0 [ 4777.244285][ T10] [ 4777.246614][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4777.246614][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4777.246614][ T10] ipv6_find_idev+0x102/0x170 [ 4777.246614][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4777.246614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.246614][ T10] netlink_rcv_skb+0x130/0x360 [ 4777.246614][ T10] netlink_unicast+0x449/0x710 [ 4777.246614][ T10] netlink_sendmsg+0x723/0xbe0 [ 4777.246614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4777.246614][ T10] ___sys_sendmsg+0xee/0x170 [ 4777.246614][ T10] __sys_sendmsg+0xcd/0x170 [ 4777.246614][ T10] do_syscall_64+0xc6/0x1e0 [ 4777.246614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.246614][ T10] [ 4777.248378][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4777.248378][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4777.248378][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4777.248378][ T10] ipv6_find_idev+0x102/0x170 [ 4777.248378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4777.248378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.248378][ T10] netlink_rcv_skb+0x130/0x360 [ 4777.248378][ T10] netlink_unicast+0x449/0x710 [ 4777.248378][ T10] netlink_sendmsg+0x723/0xbe0 [ 4777.248378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4777.248378][ T10] ___sys_sendmsg+0xee/0x170 [ 4777.248378][ T10] __sys_sendmsg+0xcd/0x170 [ 4777.248378][ T10] do_syscall_64+0xc6/0x1e0 [ 4777.248378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.248378][ T10] [ 4781.817116][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4781.817614][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4781.817614][ T1167] dst_init+0x84/0x4a0 [ 4781.817614][ T1167] dst_alloc+0x97/0x150 [ 4781.817614][ T1167] ip6_dst_alloc+0x23/0x90 [ 4781.817614][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4781.817614][ T1167] ip6_pol_route+0x56f/0x840 [ 4781.817614][ T1167] fib6_rule_lookup+0x334/0x630 [ 4781.817614][ T1167] ip6_route_output_flags+0x259/0x480 [ 4781.817614][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4781.817614][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4781.817614][ T1167] netlink_rcv_skb+0x130/0x360 [ 4781.817614][ T1167] netlink_unicast+0x449/0x710 [ 4781.817614][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4781.817614][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4781.817614][ T1167] ___sys_sendmsg+0xee/0x170 [ 4781.817614][ T1167] __sys_sendmsg+0xcd/0x170 [ 4781.817614][ T1167] do_syscall_64+0xc6/0x1e0 [ 4781.817614][ T1167] [ 4781.819832][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4781.819832][ T1167] netdev_get_by_index+0x5e/0x80 [ 4781.819832][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4781.819832][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4781.819832][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4781.819832][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4781.819832][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4781.819832][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4781.819832][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4781.819832][ T1167] addrconf_dad_begin+0x310/0x670 [ 4781.819832][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4781.819832][ T1167] process_one_work+0x84d/0x18a0 [ 4781.819832][ T1167] worker_thread+0x587/0xd30 [ 4781.819832][ T1167] kthread+0x28a/0x350 [ 4781.819832][ T1167] ret_from_fork+0x31/0x70 [ 4781.819832][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4781.819832][ T1167] [ 4781.821992][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4781.821992][ T1167] netdev_get_by_index+0x5e/0x80 [ 4781.821992][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4781.821992][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4781.821992][ T1167] ip6_route_add+0x1c/0x140 [ 4781.821992][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4781.821992][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4781.821992][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4781.821992][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4781.821992][ T1167] netlink_rcv_skb+0x130/0x360 [ 4781.821992][ T1167] netlink_unicast+0x449/0x710 [ 4781.821992][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4781.821992][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4781.821992][ T1167] ___sys_sendmsg+0xee/0x170 [ 4781.821992][ T1167] __sys_sendmsg+0xcd/0x170 [ 4781.821992][ T1167] do_syscall_64+0xc6/0x1e0 [ 4781.821992][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4781.821992][ T1167] [ 4781.824257][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4781.824257][ T1167] netdev_get_by_index+0x5e/0x80 [ 4781.824257][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4781.824257][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4781.824257][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4781.824257][ T1167] ipv6_add_addr+0x411/0x2000 [ 4781.824257][ T1167] inet6_addr_add+0x30e/0xa40 [ 4781.824257][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4781.824257][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4781.824257][ T1167] netlink_rcv_skb+0x130/0x360 [ 4781.824257][ T1167] netlink_unicast+0x449/0x710 [ 4781.824257][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4781.824257][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4781.824257][ T1167] ___sys_sendmsg+0xee/0x170 [ 4781.824257][ T1167] __sys_sendmsg+0xcd/0x170 [ 4781.824257][ T1167] do_syscall_64+0xc6/0x1e0 [ 4781.824257][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4781.824257][ T1167] [ 4781.826532][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4781.826532][ T1167] netdev_get_by_index+0x5e/0x80 [ 4781.826532][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4781.826532][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4781.826532][ T1167] ip6_route_add+0x1c/0x140 [ 4781.826532][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4781.826532][ T1167] addrconf_add_dev+0xe2/0x170 [ 4781.826532][ T1167] inet6_addr_add+0x12f/0xa40 [ 4781.826532][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4781.826532][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4781.826532][ T1167] netlink_rcv_skb+0x130/0x360 [ 4781.826532][ T1167] netlink_unicast+0x449/0x710 [ 4781.826532][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4781.826532][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4781.826532][ T1167] ___sys_sendmsg+0xee/0x170 [ 4781.826532][ T1167] __sys_sendmsg+0xcd/0x170 [ 4781.826532][ T1167] do_syscall_64+0xc6/0x1e0 [ 4781.826532][ T1167] [ 4781.828740][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4781.828740][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4781.828740][ T1167] ipv6_find_idev+0x102/0x170 [ 4781.828740][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4781.828740][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4781.828740][ T1167] netlink_rcv_skb+0x130/0x360 [ 4781.828740][ T1167] netlink_unicast+0x449/0x710 [ 4781.828740][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4781.828740][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4781.828740][ T1167] ___sys_sendmsg+0xee/0x170 [ 4781.828740][ T1167] __sys_sendmsg+0xcd/0x170 [ 4781.828740][ T1167] do_syscall_64+0xc6/0x1e0 [ 4781.828740][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4781.828740][ T1167] [ 4781.830479][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4781.830479][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4781.830479][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4781.830479][ T1167] ipv6_find_idev+0x102/0x170 [ 4781.830479][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4781.830479][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4781.830479][ T1167] netlink_rcv_skb+0x130/0x360 [ 4781.830479][ T1167] netlink_unicast+0x449/0x710 [ 4781.830479][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4781.830479][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4781.830479][ T1167] ___sys_sendmsg+0xee/0x170 [ 4781.830479][ T1167] __sys_sendmsg+0xcd/0x170 [ 4781.830479][ T1167] do_syscall_64+0xc6/0x1e0 [ 4781.830479][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4781.830479][ T1167] [ 4787.489037][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4787.489488][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4787.489488][ T10] netdev_get_by_index+0x5e/0x80 [ 4787.489488][ T10] fib6_nh_init+0x3d8/0x1580 [ 4787.489488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4787.489488][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4787.489488][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4787.489488][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4787.489488][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4787.489488][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4787.489488][ T10] addrconf_dad_begin+0x310/0x670 [ 4787.489488][ T10] addrconf_dad_work+0x10b/0xab0 [ 4787.489488][ T10] process_one_work+0x84d/0x18a0 [ 4787.489488][ T10] worker_thread+0x587/0xd30 [ 4787.489488][ T10] kthread+0x28a/0x350 [ 4787.489488][ T10] ret_from_fork+0x31/0x70 [ 4787.489488][ T10] ret_from_fork_asm+0x1a/0x30 [ 4787.489488][ T10] [ 4787.491482][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4787.491482][ T10] netdev_get_by_index+0x5e/0x80 [ 4787.491482][ T10] fib6_nh_init+0x3d8/0x1580 [ 4787.491482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4787.491482][ T10] ip6_route_add+0x1c/0x140 [ 4787.491482][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4787.491482][ T10] inet6_addr_add+0x4f8/0xa40 [ 4787.491482][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4787.491482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.491482][ T10] netlink_rcv_skb+0x130/0x360 [ 4787.491482][ T10] netlink_unicast+0x449/0x710 [ 4787.491482][ T10] netlink_sendmsg+0x723/0xbe0 [ 4787.491482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4787.491482][ T10] ___sys_sendmsg+0xee/0x170 [ 4787.491482][ T10] __sys_sendmsg+0xcd/0x170 [ 4787.491482][ T10] do_syscall_64+0xc6/0x1e0 [ 4787.491482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.491482][ T10] [ 4787.493537][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4787.493537][ T10] netdev_get_by_index+0x5e/0x80 [ 4787.493537][ T10] fib6_nh_init+0x3d8/0x1580 [ 4787.493537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4787.493537][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4787.493537][ T10] ipv6_add_addr+0x411/0x2000 [ 4787.493537][ T10] inet6_addr_add+0x30e/0xa40 [ 4787.493537][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4787.493537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.493537][ T10] netlink_rcv_skb+0x130/0x360 [ 4787.493537][ T10] netlink_unicast+0x449/0x710 [ 4787.493537][ T10] netlink_sendmsg+0x723/0xbe0 [ 4787.493537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4787.493537][ T10] ___sys_sendmsg+0xee/0x170 [ 4787.493537][ T10] __sys_sendmsg+0xcd/0x170 [ 4787.493537][ T10] do_syscall_64+0xc6/0x1e0 [ 4787.493537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.493537][ T10] [ 4787.495606][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4787.495606][ T10] netdev_get_by_index+0x5e/0x80 [ 4787.495606][ T10] fib6_nh_init+0x3d8/0x1580 [ 4787.495606][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4787.495606][ T10] ip6_route_add+0x1c/0x140 [ 4787.495606][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4787.495606][ T10] addrconf_add_dev+0xe2/0x170 [ 4787.495606][ T10] inet6_addr_add+0x12f/0xa40 [ 4787.495606][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4787.495606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.495606][ T10] netlink_rcv_skb+0x130/0x360 [ 4787.495606][ T10] netlink_unicast+0x449/0x710 [ 4787.495606][ T10] netlink_sendmsg+0x723/0xbe0 [ 4787.495606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4787.495606][ T10] ___sys_sendmsg+0xee/0x170 [ 4787.495606][ T10] __sys_sendmsg+0xcd/0x170 [ 4787.495606][ T10] do_syscall_64+0xc6/0x1e0 [ 4787.495606][ T10] [ 4787.497619][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4787.497619][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4787.497619][ T10] ipv6_find_idev+0x102/0x170 [ 4787.497619][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4787.497619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.497619][ T10] netlink_rcv_skb+0x130/0x360 [ 4787.497619][ T10] netlink_unicast+0x449/0x710 [ 4787.497619][ T10] netlink_sendmsg+0x723/0xbe0 [ 4787.497619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4787.497619][ T10] ___sys_sendmsg+0xee/0x170 [ 4787.497619][ T10] __sys_sendmsg+0xcd/0x170 [ 4787.497619][ T10] do_syscall_64+0xc6/0x1e0 [ 4787.497619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.497619][ T10] [ 4787.499185][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4787.499185][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4787.499185][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4787.499185][ T10] ipv6_find_idev+0x102/0x170 [ 4787.499185][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4787.499185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.499185][ T10] netlink_rcv_skb+0x130/0x360 [ 4787.499185][ T10] netlink_unicast+0x449/0x710 [ 4787.499185][ T10] netlink_sendmsg+0x723/0xbe0 [ 4787.499185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4787.499185][ T10] ___sys_sendmsg+0xee/0x170 [ 4787.499185][ T10] __sys_sendmsg+0xcd/0x170 [ 4787.499185][ T10] do_syscall_64+0xc6/0x1e0 [ 4787.499185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.499185][ T10] [ 4787.500911][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4787.501169][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4787.501169][ T10] netdev_get_by_index+0x5e/0x80 [ 4787.501169][ T10] fib6_nh_init+0x3d8/0x1580 [ 4787.501169][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4787.501169][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4787.501169][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4787.501169][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4787.501169][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4787.501169][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4787.501169][ T10] addrconf_dad_begin+0x310/0x670 [ 4787.501169][ T10] addrconf_dad_work+0x10b/0xab0 [ 4787.501169][ T10] process_one_work+0x84d/0x18a0 [ 4787.501169][ T10] worker_thread+0x587/0xd30 [ 4787.501169][ T10] kthread+0x28a/0x350 [ 4787.501169][ T10] ret_from_fork+0x31/0x70 [ 4787.501169][ T10] ret_from_fork_asm+0x1a/0x30 [ 4787.501169][ T10] [ 4787.503124][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4787.503124][ T10] netdev_get_by_index+0x5e/0x80 [ 4787.503124][ T10] fib6_nh_init+0x3d8/0x1580 [ 4787.503124][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4787.503124][ T10] ip6_route_add+0x1c/0x140 [ 4787.503124][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4787.503124][ T10] inet6_addr_add+0x4f8/0xa40 [ 4787.503124][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4787.503124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.503124][ T10] netlink_rcv_skb+0x130/0x360 [ 4787.503124][ T10] netlink_unicast+0x449/0x710 [ 4787.503124][ T10] netlink_sendmsg+0x723/0xbe0 [ 4787.503124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4787.503124][ T10] ___sys_sendmsg+0xee/0x170 [ 4787.503124][ T10] __sys_sendmsg+0xcd/0x170 [ 4787.503124][ T10] do_syscall_64+0xc6/0x1e0 [ 4787.503124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.503124][ T10] [ 4787.505177][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4787.505177][ T10] netdev_get_by_index+0x5e/0x80 [ 4787.505177][ T10] fib6_nh_init+0x3d8/0x1580 [ 4787.505177][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4787.505177][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4787.505177][ T10] ipv6_add_addr+0x411/0x2000 [ 4787.505177][ T10] inet6_addr_add+0x30e/0xa40 [ 4787.505177][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4787.505177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.505177][ T10] netlink_rcv_skb+0x130/0x360 [ 4787.505177][ T10] netlink_unicast+0x449/0x710 [ 4787.505177][ T10] netlink_sendmsg+0x723/0xbe0 [ 4787.505177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4787.505177][ T10] ___sys_sendmsg+0xee/0x170 [ 4787.505177][ T10] __sys_sendmsg+0xcd/0x170 [ 4787.505177][ T10] do_syscall_64+0xc6/0x1e0 [ 4787.505177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.505177][ T10] [ 4787.507241][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4787.507241][ T10] netdev_get_by_index+0x5e/0x80 [ 4787.507241][ T10] fib6_nh_init+0x3d8/0x1580 [ 4787.507241][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4787.507241][ T10] ip6_route_add+0x1c/0x140 [ 4787.507241][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4787.507241][ T10] addrconf_add_dev+0xe2/0x170 [ 4787.507241][ T10] inet6_addr_add+0x12f/0xa40 [ 4787.507241][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4787.507241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.507241][ T10] netlink_rcv_skb+0x130/0x360 [ 4787.507241][ T10] netlink_unicast+0x449/0x710 [ 4787.507241][ T10] netlink_sendmsg+0x723/0xbe0 [ 4787.507241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4787.507241][ T10] ___sys_sendmsg+0xee/0x170 [ 4787.507241][ T10] __sys_sendmsg+0xcd/0x170 [ 4787.507241][ T10] do_syscall_64+0xc6/0x1e0 [ 4787.507241][ T10] [ 4787.509246][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4787.509246][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4787.509246][ T10] ipv6_find_idev+0x102/0x170 [ 4787.509246][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4787.509246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.509246][ T10] netlink_rcv_skb+0x130/0x360 [ 4787.509246][ T10] netlink_unicast+0x449/0x710 [ 4787.509246][ T10] netlink_sendmsg+0x723/0xbe0 [ 4787.509246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4787.509246][ T10] ___sys_sendmsg+0xee/0x170 [ 4787.509246][ T10] __sys_sendmsg+0xcd/0x170 [ 4787.509246][ T10] do_syscall_64+0xc6/0x1e0 [ 4787.509246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.509246][ T10] [ 4787.510808][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4787.510808][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4787.510808][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4787.510808][ T10] ipv6_find_idev+0x102/0x170 [ 4787.510808][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4787.510808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.510808][ T10] netlink_rcv_skb+0x130/0x360 [ 4787.510808][ T10] netlink_unicast+0x449/0x710 [ 4787.510808][ T10] netlink_sendmsg+0x723/0xbe0 [ 4787.510808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4787.510808][ T10] ___sys_sendmsg+0xee/0x170 [ 4787.510808][ T10] __sys_sendmsg+0xcd/0x170 [ 4787.510808][ T10] do_syscall_64+0xc6/0x1e0 [ 4787.510808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.510808][ T10] [ 4787.512519][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4787.512768][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4787.512768][ T10] netdev_get_by_index+0x5e/0x80 [ 4787.512768][ T10] fib6_nh_init+0x3d8/0x1580 [ 4787.512768][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4787.512768][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4787.512768][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4787.512768][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4787.512768][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4787.512768][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4787.512768][ T10] addrconf_dad_begin+0x310/0x670 [ 4787.512768][ T10] addrconf_dad_work+0x10b/0xab0 [ 4787.512768][ T10] process_one_work+0x84d/0x18a0 [ 4787.512768][ T10] worker_thread+0x587/0xd30 [ 4787.512768][ T10] kthread+0x28a/0x350 [ 4787.512768][ T10] ret_from_fork+0x31/0x70 [ 4787.512768][ T10] ret_from_fork_asm+0x1a/0x30 [ 4787.512768][ T10] [ 4787.514736][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4787.514736][ T10] netdev_get_by_index+0x5e/0x80 [ 4787.514736][ T10] fib6_nh_init+0x3d8/0x1580 [ 4787.514736][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4787.514736][ T10] ip6_route_add+0x1c/0x140 [ 4787.514736][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4787.514736][ T10] inet6_addr_add+0x4f8/0xa40 [ 4787.514736][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4787.514736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.514736][ T10] netlink_rcv_skb+0x130/0x360 [ 4787.514736][ T10] netlink_unicast+0x449/0x710 [ 4787.514736][ T10] netlink_sendmsg+0x723/0xbe0 [ 4787.514736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4787.514736][ T10] ___sys_sendmsg+0xee/0x170 [ 4787.514736][ T10] __sys_sendmsg+0xcd/0x170 [ 4787.514736][ T10] do_syscall_64+0xc6/0x1e0 [ 4787.514736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.514736][ T10] [ 4787.516914][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4787.516914][ T10] netdev_get_by_index+0x5e/0x80 [ 4787.516914][ T10] fib6_nh_init+0x3d8/0x1580 [ 4787.516914][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4787.516914][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4787.516914][ T10] ipv6_add_addr+0x411/0x2000 [ 4787.516914][ T10] inet6_addr_add+0x30e/0xa40 [ 4787.516914][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4787.516914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.516914][ T10] netlink_rcv_skb+0x130/0x360 [ 4787.516914][ T10] netlink_unicast+0x449/0x710 [ 4787.516914][ T10] netlink_sendmsg+0x723/0xbe0 [ 4787.516914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4787.516914][ T10] ___sys_sendmsg+0xee/0x170 [ 4787.516914][ T10] __sys_sendmsg+0xcd/0x170 [ 4787.516914][ T10] do_syscall_64+0xc6/0x1e0 [ 4787.516914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.516914][ T10] [ 4787.519086][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4787.519086][ T10] netdev_get_by_index+0x5e/0x80 [ 4787.519086][ T10] fib6_nh_init+0x3d8/0x1580 [ 4787.519086][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4787.519086][ T10] ip6_route_add+0x1c/0x140 [ 4787.519086][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4787.519086][ T10] addrconf_add_dev+0xe2/0x170 [ 4787.519086][ T10] inet6_addr_add+0x12f/0xa40 [ 4787.519086][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4787.519086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.519086][ T10] netlink_rcv_skb+0x130/0x360 [ 4787.519086][ T10] netlink_unicast+0x449/0x710 [ 4787.519086][ T10] netlink_sendmsg+0x723/0xbe0 [ 4787.519086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4787.519086][ T10] ___sys_sendmsg+0xee/0x170 [ 4787.519086][ T10] __sys_sendmsg+0xcd/0x170 [ 4787.519086][ T10] do_syscall_64+0xc6/0x1e0 [ 4787.519086][ T10] [ 4787.521219][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4787.521219][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4787.521219][ T10] ipv6_find_idev+0x102/0x170 [ 4787.521219][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4787.521219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.521219][ T10] netlink_rcv_skb+0x130/0x360 [ 4787.521219][ T10] netlink_unicast+0x449/0x710 [ 4787.521219][ T10] netlink_sendmsg+0x723/0xbe0 [ 4787.521219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4787.521219][ T10] ___sys_sendmsg+0xee/0x170 [ 4787.521219][ T10] __sys_sendmsg+0xcd/0x170 [ 4787.521219][ T10] do_syscall_64+0xc6/0x1e0 [ 4787.521219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.521219][ T10] [ 4787.522911][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4787.522911][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4787.522911][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4787.522911][ T10] ipv6_find_idev+0x102/0x170 [ 4787.522911][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4787.522911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.522911][ T10] netlink_rcv_skb+0x130/0x360 [ 4787.522911][ T10] netlink_unicast+0x449/0x710 [ 4787.522911][ T10] netlink_sendmsg+0x723/0xbe0 [ 4787.522911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4787.522911][ T10] ___sys_sendmsg+0xee/0x170 [ 4787.522911][ T10] __sys_sendmsg+0xcd/0x170 [ 4787.522911][ T10] do_syscall_64+0xc6/0x1e0 [ 4787.522911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.522911][ T10] [ 4787.524698][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4787.524961][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4787.524961][ T10] netdev_get_by_index+0x5e/0x80 [ 4787.524961][ T10] fib6_nh_init+0x3d8/0x1580 [ 4787.524961][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4787.524961][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4787.524961][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4787.524961][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4787.524961][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4787.524961][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4787.524961][ T10] addrconf_dad_begin+0x310/0x670 [ 4787.524961][ T10] addrconf_dad_work+0x10b/0xab0 [ 4787.524961][ T10] process_one_work+0x84d/0x18a0 [ 4787.524961][ T10] worker_thread+0x587/0xd30 [ 4787.524961][ T10] kthread+0x28a/0x350 [ 4787.524961][ T10] ret_from_fork+0x31/0x70 [ 4787.524961][ T10] ret_from_fork_asm+0x1a/0x30 [ 4787.524961][ T10] [ 4787.527038][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4787.527038][ T10] netdev_get_by_index+0x5e/0x80 [ 4787.527038][ T10] fib6_nh_init+0x3d8/0x1580 [ 4787.527038][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4787.527038][ T10] ip6_route_add+0x1c/0x140 [ 4787.527038][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4787.527038][ T10] inet6_addr_add+0x4f8/0xa40 [ 4787.527038][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4787.527038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.527038][ T10] netlink_rcv_skb+0x130/0x360 [ 4787.527038][ T10] netlink_unicast+0x449/0x710 [ 4787.527038][ T10] netlink_sendmsg+0x723/0xbe0 [ 4787.527038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4787.527038][ T10] ___sys_sendmsg+0xee/0x170 [ 4787.527038][ T10] __sys_sendmsg+0xcd/0x170 [ 4787.527038][ T10] do_syscall_64+0xc6/0x1e0 [ 4787.527038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.527038][ T10] [ 4787.529206][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4787.529206][ T10] netdev_get_by_index+0x5e/0x80 [ 4787.529206][ T10] fib6_nh_init+0x3d8/0x1580 [ 4787.529206][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4787.529206][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4787.529206][ T10] ipv6_add_addr+0x411/0x2000 [ 4787.529206][ T10] inet6_addr_add+0x30e/0xa40 [ 4787.529206][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4787.529206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.529206][ T10] netlink_rcv_skb+0x130/0x360 [ 4787.529206][ T10] netlink_unicast+0x449/0x710 [ 4787.529206][ T10] netlink_sendmsg+0x723/0xbe0 [ 4787.529206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4787.529206][ T10] ___sys_sendmsg+0xee/0x170 [ 4787.529206][ T10] __sys_sendmsg+0xcd/0x170 [ 4787.529206][ T10] do_syscall_64+0xc6/0x1e0 [ 4787.529206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.529206][ T10] [ 4787.531871][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4787.531871][ T10] netdev_get_by_index+0x5e/0x80 [ 4787.531871][ T10] fib6_nh_init+0x3d8/0x1580 [ 4787.531871][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4787.531871][ T10] ip6_route_add+0x1c/0x140 [ 4787.531871][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4787.531871][ T10] addrconf_add_dev+0xe2/0x170 [ 4787.531871][ T10] inet6_addr_add+0x12f/0xa40 [ 4787.531871][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4787.531871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.531871][ T10] netlink_rcv_skb+0x130/0x360 [ 4787.531871][ T10] netlink_unicast+0x449/0x710 [ 4787.531871][ T10] netlink_sendmsg+0x723/0xbe0 [ 4787.531871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4787.531871][ T10] ___sys_sendmsg+0xee/0x170 [ 4787.531871][ T10] __sys_sendmsg+0xcd/0x170 [ 4787.531871][ T10] do_syscall_64+0xc6/0x1e0 [ 4787.531871][ T10] [ 4787.537151][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4787.537151][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4787.537151][ T10] ipv6_find_idev+0x102/0x170 [ 4787.537151][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4787.537151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.537151][ T10] netlink_rcv_skb+0x130/0x360 [ 4787.537151][ T10] netlink_unicast+0x449/0x710 [ 4787.537151][ T10] netlink_sendmsg+0x723/0xbe0 [ 4787.537151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4787.537151][ T10] ___sys_sendmsg+0xee/0x170 [ 4787.537151][ T10] __sys_sendmsg+0xcd/0x170 [ 4787.537151][ T10] do_syscall_64+0xc6/0x1e0 [ 4787.537151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.537151][ T10] [ 4787.538766][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4787.538766][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4787.538766][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4787.538766][ T10] ipv6_find_idev+0x102/0x170 [ 4787.538766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4787.538766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.538766][ T10] netlink_rcv_skb+0x130/0x360 [ 4787.538766][ T10] netlink_unicast+0x449/0x710 [ 4787.538766][ T10] netlink_sendmsg+0x723/0xbe0 [ 4787.538766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4787.538766][ T10] ___sys_sendmsg+0xee/0x170 [ 4787.538766][ T10] __sys_sendmsg+0xcd/0x170 [ 4787.538766][ T10] do_syscall_64+0xc6/0x1e0 [ 4787.538766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.538766][ T10] [ 4792.073035][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4792.073557][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4792.073557][ T1167] dst_init+0x84/0x4a0 [ 4792.073557][ T1167] dst_alloc+0x97/0x150 [ 4792.073557][ T1167] ip6_dst_alloc+0x23/0x90 [ 4792.073557][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4792.073557][ T1167] ip6_pol_route+0x56f/0x840 [ 4792.073557][ T1167] fib6_rule_lookup+0x334/0x630 [ 4792.073557][ T1167] ip6_route_output_flags+0x259/0x480 [ 4792.073557][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4792.073557][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4792.073557][ T1167] netlink_rcv_skb+0x130/0x360 [ 4792.073557][ T1167] netlink_unicast+0x449/0x710 [ 4792.073557][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4792.073557][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4792.073557][ T1167] ___sys_sendmsg+0xee/0x170 [ 4792.073557][ T1167] __sys_sendmsg+0xcd/0x170 [ 4792.073557][ T1167] do_syscall_64+0xc6/0x1e0 [ 4792.073557][ T1167] [ 4792.075776][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4792.075776][ T1167] netdev_get_by_index+0x5e/0x80 [ 4792.075776][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4792.075776][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4792.075776][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4792.075776][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4792.075776][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4792.075776][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4792.075776][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4792.075776][ T1167] addrconf_dad_begin+0x310/0x670 [ 4792.075776][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4792.075776][ T1167] process_one_work+0x84d/0x18a0 [ 4792.075776][ T1167] worker_thread+0x587/0xd30 [ 4792.075776][ T1167] kthread+0x28a/0x350 [ 4792.075776][ T1167] ret_from_fork+0x31/0x70 [ 4792.075776][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4792.075776][ T1167] [ 4792.077938][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4792.077938][ T1167] netdev_get_by_index+0x5e/0x80 [ 4792.077938][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4792.077938][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4792.077938][ T1167] ip6_route_add+0x1c/0x140 [ 4792.077938][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4792.077938][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4792.077938][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4792.077938][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4792.077938][ T1167] netlink_rcv_skb+0x130/0x360 [ 4792.077938][ T1167] netlink_unicast+0x449/0x710 [ 4792.077938][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4792.077938][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4792.077938][ T1167] ___sys_sendmsg+0xee/0x170 [ 4792.077938][ T1167] __sys_sendmsg+0xcd/0x170 [ 4792.077938][ T1167] do_syscall_64+0xc6/0x1e0 [ 4792.077938][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4792.077938][ T1167] [ 4792.080189][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4792.080189][ T1167] netdev_get_by_index+0x5e/0x80 [ 4792.080189][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4792.080189][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4792.080189][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4792.080189][ T1167] ipv6_add_addr+0x411/0x2000 [ 4792.080189][ T1167] inet6_addr_add+0x30e/0xa40 [ 4792.080189][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4792.080189][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4792.080189][ T1167] netlink_rcv_skb+0x130/0x360 [ 4792.080189][ T1167] netlink_unicast+0x449/0x710 [ 4792.080189][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4792.080189][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4792.080189][ T1167] ___sys_sendmsg+0xee/0x170 [ 4792.080189][ T1167] __sys_sendmsg+0xcd/0x170 [ 4792.080189][ T1167] do_syscall_64+0xc6/0x1e0 [ 4792.080189][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4792.080189][ T1167] [ 4792.082445][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4792.082445][ T1167] netdev_get_by_index+0x5e/0x80 [ 4792.082445][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4792.082445][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4792.082445][ T1167] ip6_route_add+0x1c/0x140 [ 4792.082445][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4792.082445][ T1167] addrconf_add_dev+0xe2/0x170 [ 4792.082445][ T1167] inet6_addr_add+0x12f/0xa40 [ 4792.082445][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4792.082445][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4792.082445][ T1167] netlink_rcv_skb+0x130/0x360 [ 4792.082445][ T1167] netlink_unicast+0x449/0x710 [ 4792.082445][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4792.082445][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4792.082445][ T1167] ___sys_sendmsg+0xee/0x170 [ 4792.082445][ T1167] __sys_sendmsg+0xcd/0x170 [ 4792.082445][ T1167] do_syscall_64+0xc6/0x1e0 [ 4792.082445][ T1167] [ 4792.084656][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4792.084656][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4792.084656][ T1167] ipv6_find_idev+0x102/0x170 [ 4792.084656][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4792.084656][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4792.084656][ T1167] netlink_rcv_skb+0x130/0x360 [ 4792.084656][ T1167] netlink_unicast+0x449/0x710 [ 4792.084656][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4792.084656][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4792.084656][ T1167] ___sys_sendmsg+0xee/0x170 [ 4792.084656][ T1167] __sys_sendmsg+0xcd/0x170 [ 4792.084656][ T1167] do_syscall_64+0xc6/0x1e0 [ 4792.084656][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4792.084656][ T1167] [ 4792.086387][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4792.086387][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4792.086387][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4792.086387][ T1167] ipv6_find_idev+0x102/0x170 [ 4792.086387][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4792.086387][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4792.086387][ T1167] netlink_rcv_skb+0x130/0x360 [ 4792.086387][ T1167] netlink_unicast+0x449/0x710 [ 4792.086387][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4792.086387][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4792.086387][ T1167] ___sys_sendmsg+0xee/0x170 [ 4792.086387][ T1167] __sys_sendmsg+0xcd/0x170 [ 4792.086387][ T1167] do_syscall_64+0xc6/0x1e0 [ 4792.086387][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4792.086387][ T1167] [ 4797.777049][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4797.777532][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4797.777532][ T10] netdev_get_by_index+0x5e/0x80 [ 4797.777532][ T10] fib6_nh_init+0x3d8/0x1580 [ 4797.777532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4797.777532][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4797.777532][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4797.777532][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4797.777532][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4797.777532][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4797.777532][ T10] addrconf_dad_begin+0x310/0x670 [ 4797.777532][ T10] addrconf_dad_work+0x10b/0xab0 [ 4797.777532][ T10] process_one_work+0x84d/0x18a0 [ 4797.777532][ T10] worker_thread+0x587/0xd30 [ 4797.777532][ T10] kthread+0x28a/0x350 [ 4797.777532][ T10] ret_from_fork+0x31/0x70 [ 4797.777532][ T10] ret_from_fork_asm+0x1a/0x30 [ 4797.777532][ T10] [ 4797.779489][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4797.779489][ T10] netdev_get_by_index+0x5e/0x80 [ 4797.779489][ T10] fib6_nh_init+0x3d8/0x1580 [ 4797.779489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4797.779489][ T10] ip6_route_add+0x1c/0x140 [ 4797.779489][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4797.779489][ T10] inet6_addr_add+0x4f8/0xa40 [ 4797.779489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4797.779489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4797.779489][ T10] netlink_rcv_skb+0x130/0x360 [ 4797.779489][ T10] netlink_unicast+0x449/0x710 [ 4797.779489][ T10] netlink_sendmsg+0x723/0xbe0 [ 4797.779489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4797.779489][ T10] ___sys_sendmsg+0xee/0x170 [ 4797.779489][ T10] __sys_sendmsg+0xcd/0x170 [ 4797.779489][ T10] do_syscall_64+0xc6/0x1e0 [ 4797.779489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4797.779489][ T10] [ 4797.781505][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4797.781505][ T10] netdev_get_by_index+0x5e/0x80 [ 4797.781505][ T10] fib6_nh_init+0x3d8/0x1580 [ 4797.781505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4797.781505][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4797.781505][ T10] ipv6_add_addr+0x411/0x2000 [ 4797.781505][ T10] inet6_addr_add+0x30e/0xa40 [ 4797.781505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4797.781505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4797.781505][ T10] netlink_rcv_skb+0x130/0x360 [ 4797.781505][ T10] netlink_unicast+0x449/0x710 [ 4797.781505][ T10] netlink_sendmsg+0x723/0xbe0 [ 4797.781505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4797.781505][ T10] ___sys_sendmsg+0xee/0x170 [ 4797.781505][ T10] __sys_sendmsg+0xcd/0x170 [ 4797.781505][ T10] do_syscall_64+0xc6/0x1e0 [ 4797.781505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4797.781505][ T10] [ 4797.783526][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4797.783526][ T10] netdev_get_by_index+0x5e/0x80 [ 4797.783526][ T10] fib6_nh_init+0x3d8/0x1580 [ 4797.783526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4797.783526][ T10] ip6_route_add+0x1c/0x140 [ 4797.783526][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4797.783526][ T10] addrconf_add_dev+0xe2/0x170 [ 4797.783526][ T10] inet6_addr_add+0x12f/0xa40 [ 4797.783526][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4797.783526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4797.783526][ T10] netlink_rcv_skb+0x130/0x360 [ 4797.783526][ T10] netlink_unicast+0x449/0x710 [ 4797.783526][ T10] netlink_sendmsg+0x723/0xbe0 [ 4797.783526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4797.783526][ T10] ___sys_sendmsg+0xee/0x170 [ 4797.783526][ T10] __sys_sendmsg+0xcd/0x170 [ 4797.783526][ T10] do_syscall_64+0xc6/0x1e0 [ 4797.783526][ T10] [ 4797.785528][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4797.785528][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4797.785528][ T10] ipv6_find_idev+0x102/0x170 [ 4797.785528][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4797.785528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4797.785528][ T10] netlink_rcv_skb+0x130/0x360 [ 4797.785528][ T10] netlink_unicast+0x449/0x710 [ 4797.785528][ T10] netlink_sendmsg+0x723/0xbe0 [ 4797.785528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4797.785528][ T10] ___sys_sendmsg+0xee/0x170 [ 4797.785528][ T10] __sys_sendmsg+0xcd/0x170 [ 4797.785528][ T10] do_syscall_64+0xc6/0x1e0 [ 4797.785528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4797.785528][ T10] [ 4797.787095][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4797.787095][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4797.787095][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4797.787095][ T10] ipv6_find_idev+0x102/0x170 [ 4797.787095][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4797.787095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4797.787095][ T10] netlink_rcv_skb+0x130/0x360 [ 4797.787095][ T10] netlink_unicast+0x449/0x710 [ 4797.787095][ T10] netlink_sendmsg+0x723/0xbe0 [ 4797.787095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4797.787095][ T10] ___sys_sendmsg+0xee/0x170 [ 4797.787095][ T10] __sys_sendmsg+0xcd/0x170 [ 4797.787095][ T10] do_syscall_64+0xc6/0x1e0 [ 4797.787095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4797.787095][ T10] [ 4797.788829][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4797.789107][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4797.789107][ T10] netdev_get_by_index+0x5e/0x80 [ 4797.789107][ T10] fib6_nh_init+0x3d8/0x1580 [ 4797.789107][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4797.789107][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4797.789107][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4797.789107][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4797.789107][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4797.789107][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4797.789107][ T10] addrconf_dad_begin+0x310/0x670 [ 4797.789107][ T10] addrconf_dad_work+0x10b/0xab0 [ 4797.789107][ T10] process_one_work+0x84d/0x18a0 [ 4797.789107][ T10] worker_thread+0x587/0xd30 [ 4797.789107][ T10] kthread+0x28a/0x350 [ 4797.789107][ T10] ret_from_fork+0x31/0x70 [ 4797.789107][ T10] ret_from_fork_asm+0x1a/0x30 [ 4797.789107][ T10] [ 4797.791052][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4797.791052][ T10] netdev_get_by_index+0x5e/0x80 [ 4797.791052][ T10] fib6_nh_init+0x3d8/0x1580 [ 4797.791052][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4797.791052][ T10] ip6_route_add+0x1c/0x140 [ 4797.791052][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4797.791052][ T10] inet6_addr_add+0x4f8/0xa40 [ 4797.791052][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4797.791052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4797.791052][ T10] netlink_rcv_skb+0x130/0x360 [ 4797.791052][ T10] netlink_unicast+0x449/0x710 [ 4797.791052][ T10] netlink_sendmsg+0x723/0xbe0 [ 4797.791052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4797.791052][ T10] ___sys_sendmsg+0xee/0x170 [ 4797.791052][ T10] __sys_sendmsg+0xcd/0x170 [ 4797.791052][ T10] do_syscall_64+0xc6/0x1e0 [ 4797.791052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4797.791052][ T10] [ 4797.793069][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4797.793069][ T10] netdev_get_by_index+0x5e/0x80 [ 4797.793069][ T10] fib6_nh_init+0x3d8/0x1580 [ 4797.793069][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4797.793069][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4797.793069][ T10] ipv6_add_addr+0x411/0x2000 [ 4797.793069][ T10] inet6_addr_add+0x30e/0xa40 [ 4797.793069][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4797.793069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4797.793069][ T10] netlink_rcv_skb+0x130/0x360 [ 4797.793069][ T10] netlink_unicast+0x449/0x710 [ 4797.793069][ T10] netlink_sendmsg+0x723/0xbe0 [ 4797.793069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4797.793069][ T10] ___sys_sendmsg+0xee/0x170 [ 4797.793069][ T10] __sys_sendmsg+0xcd/0x170 [ 4797.793069][ T10] do_syscall_64+0xc6/0x1e0 [ 4797.793069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4797.793069][ T10] [ 4797.795088][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4797.795088][ T10] netdev_get_by_index+0x5e/0x80 [ 4797.795088][ T10] fib6_nh_init+0x3d8/0x1580 [ 4797.795088][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4797.795088][ T10] ip6_route_add+0x1c/0x140 [ 4797.795088][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4797.795088][ T10] addrconf_add_dev+0xe2/0x170 [ 4797.795088][ T10] inet6_addr_add+0x12f/0xa40 [ 4797.795088][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4797.795088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4797.795088][ T10] netlink_rcv_skb+0x130/0x360 [ 4797.795088][ T10] netlink_unicast+0x449/0x710 [ 4797.795088][ T10] netlink_sendmsg+0x723/0xbe0 [ 4797.795088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4797.795088][ T10] ___sys_sendmsg+0xee/0x170 [ 4797.795088][ T10] __sys_sendmsg+0xcd/0x170 [ 4797.795088][ T10] do_syscall_64+0xc6/0x1e0 [ 4797.795088][ T10] [ 4797.797094][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4797.797094][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4797.797094][ T10] ipv6_find_idev+0x102/0x170 [ 4797.797094][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4797.797094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4797.797094][ T10] netlink_rcv_skb+0x130/0x360 [ 4797.797094][ T10] netlink_unicast+0x449/0x710 [ 4797.797094][ T10] netlink_sendmsg+0x723/0xbe0 [ 4797.797094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4797.797094][ T10] ___sys_sendmsg+0xee/0x170 [ 4797.797094][ T10] __sys_sendmsg+0xcd/0x170 [ 4797.797094][ T10] do_syscall_64+0xc6/0x1e0 [ 4797.797094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4797.797094][ T10] [ 4797.798653][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4797.798653][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4797.798653][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4797.798653][ T10] ipv6_find_idev+0x102/0x170 [ 4797.798653][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4797.798653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4797.798653][ T10] netlink_rcv_skb+0x130/0x360 [ 4797.798653][ T10] netlink_unicast+0x449/0x710 [ 4797.798653][ T10] netlink_sendmsg+0x723/0xbe0 [ 4797.798653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4797.798653][ T10] ___sys_sendmsg+0xee/0x170 [ 4797.798653][ T10] __sys_sendmsg+0xcd/0x170 [ 4797.798653][ T10] do_syscall_64+0xc6/0x1e0 [ 4797.798653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4797.798653][ T10] [ 4797.800374][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4797.800619][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4797.800619][ T10] netdev_get_by_index+0x5e/0x80 [ 4797.800619][ T10] fib6_nh_init+0x3d8/0x1580 [ 4797.800619][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4797.800619][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4797.800619][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4797.800619][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4797.800619][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4797.800619][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4797.800619][ T10] addrconf_dad_begin+0x310/0x670 [ 4797.800619][ T10] addrconf_dad_work+0x10b/0xab0 [ 4797.800619][ T10] process_one_work+0x84d/0x18a0 [ 4797.800619][ T10] worker_thread+0x587/0xd30 [ 4797.800619][ T10] kthread+0x28a/0x350 [ 4797.800619][ T10] ret_from_fork+0x31/0x70 [ 4797.800619][ T10] ret_from_fork_asm+0x1a/0x30 [ 4797.800619][ T10] [ 4797.802553][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4797.802553][ T10] netdev_get_by_index+0x5e/0x80 [ 4797.802553][ T10] fib6_nh_init+0x3d8/0x1580 [ 4797.802553][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4797.802553][ T10] ip6_route_add+0x1c/0x140 [ 4797.802553][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4797.802553][ T10] inet6_addr_add+0x4f8/0xa40 [ 4797.802553][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4797.802553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4797.802553][ T10] netlink_rcv_skb+0x130/0x360 [ 4797.802553][ T10] netlink_unicast+0x449/0x710 [ 4797.802553][ T10] netlink_sendmsg+0x723/0xbe0 [ 4797.802553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4797.802553][ T10] ___sys_sendmsg+0xee/0x170 [ 4797.802553][ T10] __sys_sendmsg+0xcd/0x170 [ 4797.802553][ T10] do_syscall_64+0xc6/0x1e0 [ 4797.802553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4797.802553][ T10] [ 4797.804748][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4797.804748][ T10] netdev_get_by_index+0x5e/0x80 [ 4797.804748][ T10] fib6_nh_init+0x3d8/0x1580 [ 4797.804748][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4797.804748][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4797.804748][ T10] ipv6_add_addr+0x411/0x2000 [ 4797.804748][ T10] inet6_addr_add+0x30e/0xa40 [ 4797.804748][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4797.804748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4797.804748][ T10] netlink_rcv_skb+0x130/0x360 [ 4797.804748][ T10] netlink_unicast+0x449/0x710 [ 4797.804748][ T10] netlink_sendmsg+0x723/0xbe0 [ 4797.804748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4797.804748][ T10] ___sys_sendmsg+0xee/0x170 [ 4797.804748][ T10] __sys_sendmsg+0xcd/0x170 [ 4797.804748][ T10] do_syscall_64+0xc6/0x1e0 [ 4797.804748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4797.804748][ T10] [ 4797.807031][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4797.807031][ T10] netdev_get_by_index+0x5e/0x80 [ 4797.807031][ T10] fib6_nh_init+0x3d8/0x1580 [ 4797.807031][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4797.807031][ T10] ip6_route_add+0x1c/0x140 [ 4797.807031][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4797.807031][ T10] addrconf_add_dev+0xe2/0x170 [ 4797.807031][ T10] inet6_addr_add+0x12f/0xa40 [ 4797.807031][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4797.807031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4797.807031][ T10] netlink_rcv_skb+0x130/0x360 [ 4797.807031][ T10] netlink_unicast+0x449/0x710 [ 4797.807031][ T10] netlink_sendmsg+0x723/0xbe0 [ 4797.807031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4797.807031][ T10] ___sys_sendmsg+0xee/0x170 [ 4797.807031][ T10] __sys_sendmsg+0xcd/0x170 [ 4797.807031][ T10] do_syscall_64+0xc6/0x1e0 [ 4797.807031][ T10] [ 4797.809336][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4797.809336][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4797.809336][ T10] ipv6_find_idev+0x102/0x170 [ 4797.809336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4797.809336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4797.809336][ T10] netlink_rcv_skb+0x130/0x360 [ 4797.809336][ T10] netlink_unicast+0x449/0x710 [ 4797.809336][ T10] netlink_sendmsg+0x723/0xbe0 [ 4797.809336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4797.809336][ T10] ___sys_sendmsg+0xee/0x170 [ 4797.809336][ T10] __sys_sendmsg+0xcd/0x170 [ 4797.809336][ T10] do_syscall_64+0xc6/0x1e0 [ 4797.809336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4797.809336][ T10] [ 4797.811076][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4797.811076][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4797.811076][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4797.811076][ T10] ipv6_find_idev+0x102/0x170 [ 4797.811076][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4797.811076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4797.811076][ T10] netlink_rcv_skb+0x130/0x360 [ 4797.811076][ T10] netlink_unicast+0x449/0x710 [ 4797.811076][ T10] netlink_sendmsg+0x723/0xbe0 [ 4797.811076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4797.811076][ T10] ___sys_sendmsg+0xee/0x170 [ 4797.811076][ T10] __sys_sendmsg+0xcd/0x170 [ 4797.811076][ T10] do_syscall_64+0xc6/0x1e0 [ 4797.811076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4797.811076][ T10] [ 4797.812978][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4797.813657][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4797.813657][ T10] netdev_get_by_index+0x5e/0x80 [ 4797.813657][ T10] fib6_nh_init+0x3d8/0x1580 [ 4797.813657][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4797.813657][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4797.813657][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4797.813657][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4797.813657][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4797.813657][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4797.813657][ T10] addrconf_dad_begin+0x310/0x670 [ 4797.813657][ T10] addrconf_dad_work+0x10b/0xab0 [ 4797.813657][ T10] process_one_work+0x84d/0x18a0 [ 4797.813657][ T10] worker_thread+0x587/0xd30 [ 4797.813657][ T10] kthread+0x28a/0x350 [ 4797.813657][ T10] ret_from_fork+0x31/0x70 [ 4797.813657][ T10] ret_from_fork_asm+0x1a/0x30 [ 4797.813657][ T10] [ 4797.815606][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4797.815606][ T10] netdev_get_by_index+0x5e/0x80 [ 4797.815606][ T10] fib6_nh_init+0x3d8/0x1580 [ 4797.815606][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4797.815606][ T10] ip6_route_add+0x1c/0x140 [ 4797.815606][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4797.815606][ T10] inet6_addr_add+0x4f8/0xa40 [ 4797.815606][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4797.815606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4797.815606][ T10] netlink_rcv_skb+0x130/0x360 [ 4797.815606][ T10] netlink_unicast+0x449/0x710 [ 4797.815606][ T10] netlink_sendmsg+0x723/0xbe0 [ 4797.815606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4797.815606][ T10] ___sys_sendmsg+0xee/0x170 [ 4797.815606][ T10] __sys_sendmsg+0xcd/0x170 [ 4797.815606][ T10] do_syscall_64+0xc6/0x1e0 [ 4797.815606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4797.815606][ T10] [ 4797.817756][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4797.817756][ T10] netdev_get_by_index+0x5e/0x80 [ 4797.817756][ T10] fib6_nh_init+0x3d8/0x1580 [ 4797.817756][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4797.817756][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4797.817756][ T10] ipv6_add_addr+0x411/0x2000 [ 4797.817756][ T10] inet6_addr_add+0x30e/0xa40 [ 4797.817756][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4797.817756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4797.817756][ T10] netlink_rcv_skb+0x130/0x360 [ 4797.817756][ T10] netlink_unicast+0x449/0x710 [ 4797.817756][ T10] netlink_sendmsg+0x723/0xbe0 [ 4797.817756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4797.817756][ T10] ___sys_sendmsg+0xee/0x170 [ 4797.817756][ T10] __sys_sendmsg+0xcd/0x170 [ 4797.817756][ T10] do_syscall_64+0xc6/0x1e0 [ 4797.817756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4797.817756][ T10] [ 4797.820011][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4797.820011][ T10] netdev_get_by_index+0x5e/0x80 [ 4797.820011][ T10] fib6_nh_init+0x3d8/0x1580 [ 4797.820011][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4797.820011][ T10] ip6_route_add+0x1c/0x140 [ 4797.820011][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4797.820011][ T10] addrconf_add_dev+0xe2/0x170 [ 4797.820011][ T10] inet6_addr_add+0x12f/0xa40 [ 4797.820011][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4797.820011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4797.820011][ T10] netlink_rcv_skb+0x130/0x360 [ 4797.820011][ T10] netlink_unicast+0x449/0x710 [ 4797.820011][ T10] netlink_sendmsg+0x723/0xbe0 [ 4797.820011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4797.820011][ T10] ___sys_sendmsg+0xee/0x170 [ 4797.820011][ T10] __sys_sendmsg+0xcd/0x170 [ 4797.820011][ T10] do_syscall_64+0xc6/0x1e0 [ 4797.820011][ T10] [ 4797.822230][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4797.822230][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4797.822230][ T10] ipv6_find_idev+0x102/0x170 [ 4797.822230][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4797.822230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4797.822230][ T10] netlink_rcv_skb+0x130/0x360 [ 4797.822230][ T10] netlink_unicast+0x449/0x710 [ 4797.822230][ T10] netlink_sendmsg+0x723/0xbe0 [ 4797.822230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4797.822230][ T10] ___sys_sendmsg+0xee/0x170 [ 4797.822230][ T10] __sys_sendmsg+0xcd/0x170 [ 4797.822230][ T10] do_syscall_64+0xc6/0x1e0 [ 4797.822230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4797.822230][ T10] [ 4797.823988][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4797.823988][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4797.823988][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4797.823988][ T10] ipv6_find_idev+0x102/0x170 [ 4797.823988][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4797.823988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4797.823988][ T10] netlink_rcv_skb+0x130/0x360 [ 4797.823988][ T10] netlink_unicast+0x449/0x710 [ 4797.823988][ T10] netlink_sendmsg+0x723/0xbe0 [ 4797.823988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4797.823988][ T10] ___sys_sendmsg+0xee/0x170 [ 4797.823988][ T10] __sys_sendmsg+0xcd/0x170 [ 4797.823988][ T10] do_syscall_64+0xc6/0x1e0 [ 4797.823988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4797.823988][ T10] [ 4802.329212][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4802.329731][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4802.329731][ T1167] dst_init+0x84/0x4a0 [ 4802.329731][ T1167] dst_alloc+0x97/0x150 [ 4802.329731][ T1167] ip6_dst_alloc+0x23/0x90 [ 4802.329731][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4802.329731][ T1167] ip6_pol_route+0x56f/0x840 [ 4802.329731][ T1167] fib6_rule_lookup+0x334/0x630 [ 4802.329731][ T1167] ip6_route_output_flags+0x259/0x480 [ 4802.329731][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4802.329731][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4802.329731][ T1167] netlink_rcv_skb+0x130/0x360 [ 4802.329731][ T1167] netlink_unicast+0x449/0x710 [ 4802.329731][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4802.329731][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4802.329731][ T1167] ___sys_sendmsg+0xee/0x170 [ 4802.329731][ T1167] __sys_sendmsg+0xcd/0x170 [ 4802.329731][ T1167] do_syscall_64+0xc6/0x1e0 [ 4802.329731][ T1167] [ 4802.331939][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4802.331939][ T1167] netdev_get_by_index+0x5e/0x80 [ 4802.331939][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4802.331939][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4802.331939][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4802.331939][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4802.331939][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4802.331939][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4802.331939][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4802.331939][ T1167] addrconf_dad_begin+0x310/0x670 [ 4802.331939][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4802.331939][ T1167] process_one_work+0x84d/0x18a0 [ 4802.331939][ T1167] worker_thread+0x587/0xd30 [ 4802.331939][ T1167] kthread+0x28a/0x350 [ 4802.331939][ T1167] ret_from_fork+0x31/0x70 [ 4802.331939][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4802.331939][ T1167] [ 4802.334091][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4802.334091][ T1167] netdev_get_by_index+0x5e/0x80 [ 4802.334091][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4802.334091][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4802.334091][ T1167] ip6_route_add+0x1c/0x140 [ 4802.334091][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4802.334091][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4802.334091][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4802.334091][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4802.334091][ T1167] netlink_rcv_skb+0x130/0x360 [ 4802.334091][ T1167] netlink_unicast+0x449/0x710 [ 4802.334091][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4802.334091][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4802.334091][ T1167] ___sys_sendmsg+0xee/0x170 [ 4802.334091][ T1167] __sys_sendmsg+0xcd/0x170 [ 4802.334091][ T1167] do_syscall_64+0xc6/0x1e0 [ 4802.334091][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4802.334091][ T1167] [ 4802.336339][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4802.336339][ T1167] netdev_get_by_index+0x5e/0x80 [ 4802.336339][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4802.336339][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4802.336339][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4802.336339][ T1167] ipv6_add_addr+0x411/0x2000 [ 4802.336339][ T1167] inet6_addr_add+0x30e/0xa40 [ 4802.336339][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4802.336339][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4802.336339][ T1167] netlink_rcv_skb+0x130/0x360 [ 4802.336339][ T1167] netlink_unicast+0x449/0x710 [ 4802.336339][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4802.336339][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4802.336339][ T1167] ___sys_sendmsg+0xee/0x170 [ 4802.336339][ T1167] __sys_sendmsg+0xcd/0x170 [ 4802.336339][ T1167] do_syscall_64+0xc6/0x1e0 [ 4802.336339][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4802.336339][ T1167] [ 4802.338588][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4802.338588][ T1167] netdev_get_by_index+0x5e/0x80 [ 4802.338588][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4802.338588][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4802.338588][ T1167] ip6_route_add+0x1c/0x140 [ 4802.338588][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4802.338588][ T1167] addrconf_add_dev+0xe2/0x170 [ 4802.338588][ T1167] inet6_addr_add+0x12f/0xa40 [ 4802.338588][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4802.338588][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4802.338588][ T1167] netlink_rcv_skb+0x130/0x360 [ 4802.338588][ T1167] netlink_unicast+0x449/0x710 [ 4802.338588][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4802.338588][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4802.338588][ T1167] ___sys_sendmsg+0xee/0x170 [ 4802.338588][ T1167] __sys_sendmsg+0xcd/0x170 [ 4802.338588][ T1167] do_syscall_64+0xc6/0x1e0 [ 4802.338588][ T1167] [ 4802.340797][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4802.340797][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4802.340797][ T1167] ipv6_find_idev+0x102/0x170 [ 4802.340797][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4802.340797][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4802.340797][ T1167] netlink_rcv_skb+0x130/0x360 [ 4802.340797][ T1167] netlink_unicast+0x449/0x710 [ 4802.340797][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4802.340797][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4802.340797][ T1167] ___sys_sendmsg+0xee/0x170 [ 4802.340797][ T1167] __sys_sendmsg+0xcd/0x170 [ 4802.340797][ T1167] do_syscall_64+0xc6/0x1e0 [ 4802.340797][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4802.340797][ T1167] [ 4802.342517][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4802.342517][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4802.342517][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4802.342517][ T1167] ipv6_find_idev+0x102/0x170 [ 4802.342517][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4802.342517][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4802.342517][ T1167] netlink_rcv_skb+0x130/0x360 [ 4802.342517][ T1167] netlink_unicast+0x449/0x710 [ 4802.342517][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4802.342517][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4802.342517][ T1167] ___sys_sendmsg+0xee/0x170 [ 4802.342517][ T1167] __sys_sendmsg+0xcd/0x170 [ 4802.342517][ T1167] do_syscall_64+0xc6/0x1e0 [ 4802.342517][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4802.342517][ T1167] [ 4808.065065][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4808.065498][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4808.065498][ T10] netdev_get_by_index+0x5e/0x80 [ 4808.065498][ T10] fib6_nh_init+0x3d8/0x1580 [ 4808.065498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4808.065498][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4808.065498][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4808.065498][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4808.065498][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4808.065498][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4808.065498][ T10] addrconf_dad_begin+0x310/0x670 [ 4808.065498][ T10] addrconf_dad_work+0x10b/0xab0 [ 4808.065498][ T10] process_one_work+0x84d/0x18a0 [ 4808.065498][ T10] worker_thread+0x587/0xd30 [ 4808.065498][ T10] kthread+0x28a/0x350 [ 4808.065498][ T10] ret_from_fork+0x31/0x70 [ 4808.065498][ T10] ret_from_fork_asm+0x1a/0x30 [ 4808.065498][ T10] [ 4808.067492][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4808.067492][ T10] netdev_get_by_index+0x5e/0x80 [ 4808.067492][ T10] fib6_nh_init+0x3d8/0x1580 [ 4808.067492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4808.067492][ T10] ip6_route_add+0x1c/0x140 [ 4808.067492][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4808.067492][ T10] inet6_addr_add+0x4f8/0xa40 [ 4808.067492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4808.067492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.067492][ T10] netlink_rcv_skb+0x130/0x360 [ 4808.067492][ T10] netlink_unicast+0x449/0x710 [ 4808.067492][ T10] netlink_sendmsg+0x723/0xbe0 [ 4808.067492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4808.067492][ T10] ___sys_sendmsg+0xee/0x170 [ 4808.067492][ T10] __sys_sendmsg+0xcd/0x170 [ 4808.067492][ T10] do_syscall_64+0xc6/0x1e0 [ 4808.067492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.067492][ T10] [ 4808.069541][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4808.069541][ T10] netdev_get_by_index+0x5e/0x80 [ 4808.069541][ T10] fib6_nh_init+0x3d8/0x1580 [ 4808.069541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4808.069541][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4808.069541][ T10] ipv6_add_addr+0x411/0x2000 [ 4808.069541][ T10] inet6_addr_add+0x30e/0xa40 [ 4808.069541][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4808.069541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.069541][ T10] netlink_rcv_skb+0x130/0x360 [ 4808.069541][ T10] netlink_unicast+0x449/0x710 [ 4808.069541][ T10] netlink_sendmsg+0x723/0xbe0 [ 4808.069541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4808.069541][ T10] ___sys_sendmsg+0xee/0x170 [ 4808.069541][ T10] __sys_sendmsg+0xcd/0x170 [ 4808.069541][ T10] do_syscall_64+0xc6/0x1e0 [ 4808.069541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.069541][ T10] [ 4808.071570][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4808.071570][ T10] netdev_get_by_index+0x5e/0x80 [ 4808.071570][ T10] fib6_nh_init+0x3d8/0x1580 [ 4808.071570][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4808.071570][ T10] ip6_route_add+0x1c/0x140 [ 4808.071570][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4808.071570][ T10] addrconf_add_dev+0xe2/0x170 [ 4808.071570][ T10] inet6_addr_add+0x12f/0xa40 [ 4808.071570][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4808.071570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.071570][ T10] netlink_rcv_skb+0x130/0x360 [ 4808.071570][ T10] netlink_unicast+0x449/0x710 [ 4808.071570][ T10] netlink_sendmsg+0x723/0xbe0 [ 4808.071570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4808.071570][ T10] ___sys_sendmsg+0xee/0x170 [ 4808.071570][ T10] __sys_sendmsg+0xcd/0x170 [ 4808.071570][ T10] do_syscall_64+0xc6/0x1e0 [ 4808.071570][ T10] [ 4808.073545][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4808.073545][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4808.073545][ T10] ipv6_find_idev+0x102/0x170 [ 4808.073545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4808.073545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.073545][ T10] netlink_rcv_skb+0x130/0x360 [ 4808.073545][ T10] netlink_unicast+0x449/0x710 [ 4808.073545][ T10] netlink_sendmsg+0x723/0xbe0 [ 4808.073545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4808.073545][ T10] ___sys_sendmsg+0xee/0x170 [ 4808.073545][ T10] __sys_sendmsg+0xcd/0x170 [ 4808.073545][ T10] do_syscall_64+0xc6/0x1e0 [ 4808.073545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.073545][ T10] [ 4808.075100][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4808.075100][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4808.075100][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4808.075100][ T10] ipv6_find_idev+0x102/0x170 [ 4808.075100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4808.075100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.075100][ T10] netlink_rcv_skb+0x130/0x360 [ 4808.075100][ T10] netlink_unicast+0x449/0x710 [ 4808.075100][ T10] netlink_sendmsg+0x723/0xbe0 [ 4808.075100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4808.075100][ T10] ___sys_sendmsg+0xee/0x170 [ 4808.075100][ T10] __sys_sendmsg+0xcd/0x170 [ 4808.075100][ T10] do_syscall_64+0xc6/0x1e0 [ 4808.075100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.075100][ T10] [ 4808.076824][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4808.077089][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4808.077089][ T10] netdev_get_by_index+0x5e/0x80 [ 4808.077089][ T10] fib6_nh_init+0x3d8/0x1580 [ 4808.077089][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4808.077089][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4808.077089][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4808.077089][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4808.077089][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4808.077089][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4808.077089][ T10] addrconf_dad_begin+0x310/0x670 [ 4808.077089][ T10] addrconf_dad_work+0x10b/0xab0 [ 4808.077089][ T10] process_one_work+0x84d/0x18a0 [ 4808.077089][ T10] worker_thread+0x587/0xd30 [ 4808.077089][ T10] kthread+0x28a/0x350 [ 4808.077089][ T10] ret_from_fork+0x31/0x70 [ 4808.077089][ T10] ret_from_fork_asm+0x1a/0x30 [ 4808.077089][ T10] [ 4808.079038][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4808.079038][ T10] netdev_get_by_index+0x5e/0x80 [ 4808.079038][ T10] fib6_nh_init+0x3d8/0x1580 [ 4808.079038][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4808.079038][ T10] ip6_route_add+0x1c/0x140 [ 4808.079038][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4808.079038][ T10] inet6_addr_add+0x4f8/0xa40 [ 4808.079038][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4808.079038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.079038][ T10] netlink_rcv_skb+0x130/0x360 [ 4808.079038][ T10] netlink_unicast+0x449/0x710 [ 4808.079038][ T10] netlink_sendmsg+0x723/0xbe0 [ 4808.079038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4808.079038][ T10] ___sys_sendmsg+0xee/0x170 [ 4808.079038][ T10] __sys_sendmsg+0xcd/0x170 [ 4808.079038][ T10] do_syscall_64+0xc6/0x1e0 [ 4808.079038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.079038][ T10] [ 4808.081064][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4808.081064][ T10] netdev_get_by_index+0x5e/0x80 [ 4808.081064][ T10] fib6_nh_init+0x3d8/0x1580 [ 4808.081064][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4808.081064][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4808.081064][ T10] ipv6_add_addr+0x411/0x2000 [ 4808.081064][ T10] inet6_addr_add+0x30e/0xa40 [ 4808.081064][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4808.081064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.081064][ T10] netlink_rcv_skb+0x130/0x360 [ 4808.081064][ T10] netlink_unicast+0x449/0x710 [ 4808.081064][ T10] netlink_sendmsg+0x723/0xbe0 [ 4808.081064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4808.081064][ T10] ___sys_sendmsg+0xee/0x170 [ 4808.081064][ T10] __sys_sendmsg+0xcd/0x170 [ 4808.081064][ T10] do_syscall_64+0xc6/0x1e0 [ 4808.081064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.081064][ T10] [ 4808.083084][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4808.083084][ T10] netdev_get_by_index+0x5e/0x80 [ 4808.083084][ T10] fib6_nh_init+0x3d8/0x1580 [ 4808.083084][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4808.083084][ T10] ip6_route_add+0x1c/0x140 [ 4808.083084][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4808.083084][ T10] addrconf_add_dev+0xe2/0x170 [ 4808.083084][ T10] inet6_addr_add+0x12f/0xa40 [ 4808.083084][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4808.083084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.083084][ T10] netlink_rcv_skb+0x130/0x360 [ 4808.083084][ T10] netlink_unicast+0x449/0x710 [ 4808.083084][ T10] netlink_sendmsg+0x723/0xbe0 [ 4808.083084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4808.083084][ T10] ___sys_sendmsg+0xee/0x170 [ 4808.083084][ T10] __sys_sendmsg+0xcd/0x170 [ 4808.083084][ T10] do_syscall_64+0xc6/0x1e0 [ 4808.083084][ T10] [ 4808.085077][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4808.085077][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4808.085077][ T10] ipv6_find_idev+0x102/0x170 [ 4808.085077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4808.085077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.085077][ T10] netlink_rcv_skb+0x130/0x360 [ 4808.085077][ T10] netlink_unicast+0x449/0x710 [ 4808.085077][ T10] netlink_sendmsg+0x723/0xbe0 [ 4808.085077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4808.085077][ T10] ___sys_sendmsg+0xee/0x170 [ 4808.085077][ T10] __sys_sendmsg+0xcd/0x170 [ 4808.085077][ T10] do_syscall_64+0xc6/0x1e0 [ 4808.085077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.085077][ T10] [ 4808.086656][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4808.086656][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4808.086656][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4808.086656][ T10] ipv6_find_idev+0x102/0x170 [ 4808.086656][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4808.086656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.086656][ T10] netlink_rcv_skb+0x130/0x360 [ 4808.086656][ T10] netlink_unicast+0x449/0x710 [ 4808.086656][ T10] netlink_sendmsg+0x723/0xbe0 [ 4808.086656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4808.086656][ T10] ___sys_sendmsg+0xee/0x170 [ 4808.086656][ T10] __sys_sendmsg+0xcd/0x170 [ 4808.086656][ T10] do_syscall_64+0xc6/0x1e0 [ 4808.086656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.086656][ T10] [ 4808.088398][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4808.088645][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4808.088645][ T10] netdev_get_by_index+0x5e/0x80 [ 4808.088645][ T10] fib6_nh_init+0x3d8/0x1580 [ 4808.088645][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4808.088645][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4808.088645][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4808.088645][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4808.088645][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4808.088645][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4808.088645][ T10] addrconf_dad_begin+0x310/0x670 [ 4808.088645][ T10] addrconf_dad_work+0x10b/0xab0 [ 4808.088645][ T10] process_one_work+0x84d/0x18a0 [ 4808.088645][ T10] worker_thread+0x587/0xd30 [ 4808.088645][ T10] kthread+0x28a/0x350 [ 4808.088645][ T10] ret_from_fork+0x31/0x70 [ 4808.088645][ T10] ret_from_fork_asm+0x1a/0x30 [ 4808.088645][ T10] [ 4808.090575][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4808.090575][ T10] netdev_get_by_index+0x5e/0x80 [ 4808.090575][ T10] fib6_nh_init+0x3d8/0x1580 [ 4808.090575][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4808.090575][ T10] ip6_route_add+0x1c/0x140 [ 4808.090575][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4808.090575][ T10] inet6_addr_add+0x4f8/0xa40 [ 4808.090575][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4808.090575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.090575][ T10] netlink_rcv_skb+0x130/0x360 [ 4808.090575][ T10] netlink_unicast+0x449/0x710 [ 4808.090575][ T10] netlink_sendmsg+0x723/0xbe0 [ 4808.090575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4808.090575][ T10] ___sys_sendmsg+0xee/0x170 [ 4808.090575][ T10] __sys_sendmsg+0xcd/0x170 [ 4808.090575][ T10] do_syscall_64+0xc6/0x1e0 [ 4808.090575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.090575][ T10] [ 4808.092733][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4808.092733][ T10] netdev_get_by_index+0x5e/0x80 [ 4808.092733][ T10] fib6_nh_init+0x3d8/0x1580 [ 4808.092733][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4808.092733][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4808.092733][ T10] ipv6_add_addr+0x411/0x2000 [ 4808.092733][ T10] inet6_addr_add+0x30e/0xa40 [ 4808.092733][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4808.092733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.092733][ T10] netlink_rcv_skb+0x130/0x360 [ 4808.092733][ T10] netlink_unicast+0x449/0x710 [ 4808.092733][ T10] netlink_sendmsg+0x723/0xbe0 [ 4808.092733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4808.092733][ T10] ___sys_sendmsg+0xee/0x170 [ 4808.092733][ T10] __sys_sendmsg+0xcd/0x170 [ 4808.092733][ T10] do_syscall_64+0xc6/0x1e0 [ 4808.092733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.092733][ T10] [ 4808.094894][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4808.094894][ T10] netdev_get_by_index+0x5e/0x80 [ 4808.094894][ T10] fib6_nh_init+0x3d8/0x1580 [ 4808.094894][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4808.094894][ T10] ip6_route_add+0x1c/0x140 [ 4808.094894][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4808.094894][ T10] addrconf_add_dev+0xe2/0x170 [ 4808.094894][ T10] inet6_addr_add+0x12f/0xa40 [ 4808.094894][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4808.094894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.094894][ T10] netlink_rcv_skb+0x130/0x360 [ 4808.094894][ T10] netlink_unicast+0x449/0x710 [ 4808.094894][ T10] netlink_sendmsg+0x723/0xbe0 [ 4808.094894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4808.094894][ T10] ___sys_sendmsg+0xee/0x170 [ 4808.094894][ T10] __sys_sendmsg+0xcd/0x170 [ 4808.094894][ T10] do_syscall_64+0xc6/0x1e0 [ 4808.094894][ T10] [ 4808.097042][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4808.097042][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4808.097042][ T10] ipv6_find_idev+0x102/0x170 [ 4808.097042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4808.097042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.097042][ T10] netlink_rcv_skb+0x130/0x360 [ 4808.097042][ T10] netlink_unicast+0x449/0x710 [ 4808.097042][ T10] netlink_sendmsg+0x723/0xbe0 [ 4808.097042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4808.097042][ T10] ___sys_sendmsg+0xee/0x170 [ 4808.097042][ T10] __sys_sendmsg+0xcd/0x170 [ 4808.097042][ T10] do_syscall_64+0xc6/0x1e0 [ 4808.097042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.097042][ T10] [ 4808.098671][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4808.098671][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4808.098671][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4808.098671][ T10] ipv6_find_idev+0x102/0x170 [ 4808.098671][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4808.098671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.098671][ T10] netlink_rcv_skb+0x130/0x360 [ 4808.098671][ T10] netlink_unicast+0x449/0x710 [ 4808.098671][ T10] netlink_sendmsg+0x723/0xbe0 [ 4808.098671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4808.098671][ T10] ___sys_sendmsg+0xee/0x170 [ 4808.098671][ T10] __sys_sendmsg+0xcd/0x170 [ 4808.098671][ T10] do_syscall_64+0xc6/0x1e0 [ 4808.098671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.098671][ T10] [ 4808.100512][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4808.100752][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4808.100752][ T10] netdev_get_by_index+0x5e/0x80 [ 4808.100752][ T10] fib6_nh_init+0x3d8/0x1580 [ 4808.100752][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4808.100752][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4808.100752][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4808.100752][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4808.100752][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4808.100752][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4808.100752][ T10] addrconf_dad_begin+0x310/0x670 [ 4808.100752][ T10] addrconf_dad_work+0x10b/0xab0 [ 4808.100752][ T10] process_one_work+0x84d/0x18a0 [ 4808.100752][ T10] worker_thread+0x587/0xd30 [ 4808.100752][ T10] kthread+0x28a/0x350 [ 4808.100752][ T10] ret_from_fork+0x31/0x70 [ 4808.100752][ T10] ret_from_fork_asm+0x1a/0x30 [ 4808.100752][ T10] [ 4808.102840][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4808.102840][ T10] netdev_get_by_index+0x5e/0x80 [ 4808.102840][ T10] fib6_nh_init+0x3d8/0x1580 [ 4808.102840][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4808.102840][ T10] ip6_route_add+0x1c/0x140 [ 4808.102840][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4808.102840][ T10] inet6_addr_add+0x4f8/0xa40 [ 4808.102840][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4808.102840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.102840][ T10] netlink_rcv_skb+0x130/0x360 [ 4808.102840][ T10] netlink_unicast+0x449/0x710 [ 4808.102840][ T10] netlink_sendmsg+0x723/0xbe0 [ 4808.102840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4808.102840][ T10] ___sys_sendmsg+0xee/0x170 [ 4808.102840][ T10] __sys_sendmsg+0xcd/0x170 [ 4808.102840][ T10] do_syscall_64+0xc6/0x1e0 [ 4808.102840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.102840][ T10] [ 4808.104999][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4808.104999][ T10] netdev_get_by_index+0x5e/0x80 [ 4808.104999][ T10] fib6_nh_init+0x3d8/0x1580 [ 4808.104999][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4808.104999][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4808.104999][ T10] ipv6_add_addr+0x411/0x2000 [ 4808.104999][ T10] inet6_addr_add+0x30e/0xa40 [ 4808.104999][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4808.104999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.104999][ T10] netlink_rcv_skb+0x130/0x360 [ 4808.104999][ T10] netlink_unicast+0x449/0x710 [ 4808.104999][ T10] netlink_sendmsg+0x723/0xbe0 [ 4808.104999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4808.104999][ T10] ___sys_sendmsg+0xee/0x170 [ 4808.104999][ T10] __sys_sendmsg+0xcd/0x170 [ 4808.104999][ T10] do_syscall_64+0xc6/0x1e0 [ 4808.104999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.104999][ T10] [ 4808.107108][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4808.107108][ T10] netdev_get_by_index+0x5e/0x80 [ 4808.107108][ T10] fib6_nh_init+0x3d8/0x1580 [ 4808.107108][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4808.107108][ T10] ip6_route_add+0x1c/0x140 [ 4808.107108][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4808.107108][ T10] addrconf_add_dev+0xe2/0x170 [ 4808.107108][ T10] inet6_addr_add+0x12f/0xa40 [ 4808.107108][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4808.107108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.107108][ T10] netlink_rcv_skb+0x130/0x360 [ 4808.107108][ T10] netlink_unicast+0x449/0x710 [ 4808.107108][ T10] netlink_sendmsg+0x723/0xbe0 [ 4808.107108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4808.107108][ T10] ___sys_sendmsg+0xee/0x170 [ 4808.107108][ T10] __sys_sendmsg+0xcd/0x170 [ 4808.107108][ T10] do_syscall_64+0xc6/0x1e0 [ 4808.107108][ T10] [ 4808.109210][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4808.109210][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4808.109210][ T10] ipv6_find_idev+0x102/0x170 [ 4808.109210][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4808.109210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.109210][ T10] netlink_rcv_skb+0x130/0x360 [ 4808.109210][ T10] netlink_unicast+0x449/0x710 [ 4808.109210][ T10] netlink_sendmsg+0x723/0xbe0 [ 4808.109210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4808.109210][ T10] ___sys_sendmsg+0xee/0x170 [ 4808.109210][ T10] __sys_sendmsg+0xcd/0x170 [ 4808.109210][ T10] do_syscall_64+0xc6/0x1e0 [ 4808.109210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.109210][ T10] [ 4808.110828][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4808.110828][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4808.110828][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4808.110828][ T10] ipv6_find_idev+0x102/0x170 [ 4808.110828][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4808.110828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.110828][ T10] netlink_rcv_skb+0x130/0x360 [ 4808.110828][ T10] netlink_unicast+0x449/0x710 [ 4808.110828][ T10] netlink_sendmsg+0x723/0xbe0 [ 4808.110828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4808.110828][ T10] ___sys_sendmsg+0xee/0x170 [ 4808.110828][ T10] __sys_sendmsg+0xcd/0x170 [ 4808.110828][ T10] do_syscall_64+0xc6/0x1e0 [ 4808.110828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.110828][ T10] [ 4812.585151][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4812.585645][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4812.585645][ T1167] dst_init+0x84/0x4a0 [ 4812.585645][ T1167] dst_alloc+0x97/0x150 [ 4812.585645][ T1167] ip6_dst_alloc+0x23/0x90 [ 4812.585645][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4812.585645][ T1167] ip6_pol_route+0x56f/0x840 [ 4812.585645][ T1167] fib6_rule_lookup+0x334/0x630 [ 4812.585645][ T1167] ip6_route_output_flags+0x259/0x480 [ 4812.585645][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4812.585645][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4812.585645][ T1167] netlink_rcv_skb+0x130/0x360 [ 4812.585645][ T1167] netlink_unicast+0x449/0x710 [ 4812.585645][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4812.585645][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4812.585645][ T1167] ___sys_sendmsg+0xee/0x170 [ 4812.585645][ T1167] __sys_sendmsg+0xcd/0x170 [ 4812.585645][ T1167] do_syscall_64+0xc6/0x1e0 [ 4812.585645][ T1167] [ 4812.587858][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4812.587858][ T1167] netdev_get_by_index+0x5e/0x80 [ 4812.587858][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4812.587858][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4812.587858][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4812.587858][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4812.587858][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4812.587858][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4812.587858][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4812.587858][ T1167] addrconf_dad_begin+0x310/0x670 [ 4812.587858][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4812.587858][ T1167] process_one_work+0x84d/0x18a0 [ 4812.587858][ T1167] worker_thread+0x587/0xd30 [ 4812.587858][ T1167] kthread+0x28a/0x350 [ 4812.587858][ T1167] ret_from_fork+0x31/0x70 [ 4812.587858][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4812.587858][ T1167] [ 4812.590008][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4812.590008][ T1167] netdev_get_by_index+0x5e/0x80 [ 4812.590008][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4812.590008][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4812.590008][ T1167] ip6_route_add+0x1c/0x140 [ 4812.590008][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4812.590008][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4812.590008][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4812.590008][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4812.590008][ T1167] netlink_rcv_skb+0x130/0x360 [ 4812.590008][ T1167] netlink_unicast+0x449/0x710 [ 4812.590008][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4812.590008][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4812.590008][ T1167] ___sys_sendmsg+0xee/0x170 [ 4812.590008][ T1167] __sys_sendmsg+0xcd/0x170 [ 4812.590008][ T1167] do_syscall_64+0xc6/0x1e0 [ 4812.590008][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4812.590008][ T1167] [ 4812.592264][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4812.592264][ T1167] netdev_get_by_index+0x5e/0x80 [ 4812.592264][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4812.592264][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4812.592264][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4812.592264][ T1167] ipv6_add_addr+0x411/0x2000 [ 4812.592264][ T1167] inet6_addr_add+0x30e/0xa40 [ 4812.592264][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4812.592264][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4812.592264][ T1167] netlink_rcv_skb+0x130/0x360 [ 4812.592264][ T1167] netlink_unicast+0x449/0x710 [ 4812.592264][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4812.592264][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4812.592264][ T1167] ___sys_sendmsg+0xee/0x170 [ 4812.592264][ T1167] __sys_sendmsg+0xcd/0x170 [ 4812.592264][ T1167] do_syscall_64+0xc6/0x1e0 [ 4812.592264][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4812.592264][ T1167] [ 4812.594503][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4812.594503][ T1167] netdev_get_by_index+0x5e/0x80 [ 4812.594503][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4812.594503][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4812.594503][ T1167] ip6_route_add+0x1c/0x140 [ 4812.594503][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4812.594503][ T1167] addrconf_add_dev+0xe2/0x170 [ 4812.594503][ T1167] inet6_addr_add+0x12f/0xa40 [ 4812.594503][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4812.594503][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4812.594503][ T1167] netlink_rcv_skb+0x130/0x360 [ 4812.594503][ T1167] netlink_unicast+0x449/0x710 [ 4812.594503][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4812.594503][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4812.594503][ T1167] ___sys_sendmsg+0xee/0x170 [ 4812.594503][ T1167] __sys_sendmsg+0xcd/0x170 [ 4812.594503][ T1167] do_syscall_64+0xc6/0x1e0 [ 4812.594503][ T1167] [ 4812.596715][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4812.596715][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4812.596715][ T1167] ipv6_find_idev+0x102/0x170 [ 4812.596715][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4812.596715][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4812.596715][ T1167] netlink_rcv_skb+0x130/0x360 [ 4812.596715][ T1167] netlink_unicast+0x449/0x710 [ 4812.596715][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4812.596715][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4812.596715][ T1167] ___sys_sendmsg+0xee/0x170 [ 4812.596715][ T1167] __sys_sendmsg+0xcd/0x170 [ 4812.596715][ T1167] do_syscall_64+0xc6/0x1e0 [ 4812.596715][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4812.596715][ T1167] [ 4812.598451][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4812.598451][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4812.598451][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4812.598451][ T1167] ipv6_find_idev+0x102/0x170 [ 4812.598451][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4812.598451][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4812.598451][ T1167] netlink_rcv_skb+0x130/0x360 [ 4812.598451][ T1167] netlink_unicast+0x449/0x710 [ 4812.598451][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4812.598451][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4812.598451][ T1167] ___sys_sendmsg+0xee/0x170 [ 4812.598451][ T1167] __sys_sendmsg+0xcd/0x170 [ 4812.598451][ T1167] do_syscall_64+0xc6/0x1e0 [ 4812.598451][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4812.598451][ T1167] [ 4818.353144][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4818.353550][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4818.353550][ T10] netdev_get_by_index+0x5e/0x80 [ 4818.353550][ T10] fib6_nh_init+0x3d8/0x1580 [ 4818.353550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4818.353550][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4818.353550][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4818.353550][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4818.353550][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4818.353550][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4818.353550][ T10] addrconf_dad_begin+0x310/0x670 [ 4818.353550][ T10] addrconf_dad_work+0x10b/0xab0 [ 4818.353550][ T10] process_one_work+0x84d/0x18a0 [ 4818.353550][ T10] worker_thread+0x587/0xd30 [ 4818.353550][ T10] kthread+0x28a/0x350 [ 4818.353550][ T10] ret_from_fork+0x31/0x70 [ 4818.353550][ T10] ret_from_fork_asm+0x1a/0x30 [ 4818.353550][ T10] [ 4818.355569][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4818.355569][ T10] netdev_get_by_index+0x5e/0x80 [ 4818.355569][ T10] fib6_nh_init+0x3d8/0x1580 [ 4818.355569][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4818.355569][ T10] ip6_route_add+0x1c/0x140 [ 4818.355569][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4818.355569][ T10] inet6_addr_add+0x4f8/0xa40 [ 4818.355569][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4818.355569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.355569][ T10] netlink_rcv_skb+0x130/0x360 [ 4818.355569][ T10] netlink_unicast+0x449/0x710 [ 4818.355569][ T10] netlink_sendmsg+0x723/0xbe0 [ 4818.355569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4818.355569][ T10] ___sys_sendmsg+0xee/0x170 [ 4818.355569][ T10] __sys_sendmsg+0xcd/0x170 [ 4818.355569][ T10] do_syscall_64+0xc6/0x1e0 [ 4818.355569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.355569][ T10] [ 4818.357761][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4818.357761][ T10] netdev_get_by_index+0x5e/0x80 [ 4818.357761][ T10] fib6_nh_init+0x3d8/0x1580 [ 4818.357761][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4818.357761][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4818.357761][ T10] ipv6_add_addr+0x411/0x2000 [ 4818.357761][ T10] inet6_addr_add+0x30e/0xa40 [ 4818.357761][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4818.357761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.357761][ T10] netlink_rcv_skb+0x130/0x360 [ 4818.357761][ T10] netlink_unicast+0x449/0x710 [ 4818.357761][ T10] netlink_sendmsg+0x723/0xbe0 [ 4818.357761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4818.357761][ T10] ___sys_sendmsg+0xee/0x170 [ 4818.357761][ T10] __sys_sendmsg+0xcd/0x170 [ 4818.357761][ T10] do_syscall_64+0xc6/0x1e0 [ 4818.357761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.357761][ T10] [ 4818.359957][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4818.359957][ T10] netdev_get_by_index+0x5e/0x80 [ 4818.359957][ T10] fib6_nh_init+0x3d8/0x1580 [ 4818.359957][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4818.359957][ T10] ip6_route_add+0x1c/0x140 [ 4818.359957][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4818.359957][ T10] addrconf_add_dev+0xe2/0x170 [ 4818.359957][ T10] inet6_addr_add+0x12f/0xa40 [ 4818.359957][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4818.359957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.359957][ T10] netlink_rcv_skb+0x130/0x360 [ 4818.359957][ T10] netlink_unicast+0x449/0x710 [ 4818.359957][ T10] netlink_sendmsg+0x723/0xbe0 [ 4818.359957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4818.359957][ T10] ___sys_sendmsg+0xee/0x170 [ 4818.359957][ T10] __sys_sendmsg+0xcd/0x170 [ 4818.359957][ T10] do_syscall_64+0xc6/0x1e0 [ 4818.359957][ T10] [ 4818.362104][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4818.362104][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4818.362104][ T10] ipv6_find_idev+0x102/0x170 [ 4818.362104][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4818.362104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.362104][ T10] netlink_rcv_skb+0x130/0x360 [ 4818.362104][ T10] netlink_unicast+0x449/0x710 [ 4818.362104][ T10] netlink_sendmsg+0x723/0xbe0 [ 4818.362104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4818.362104][ T10] ___sys_sendmsg+0xee/0x170 [ 4818.362104][ T10] __sys_sendmsg+0xcd/0x170 [ 4818.362104][ T10] do_syscall_64+0xc6/0x1e0 [ 4818.362104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.362104][ T10] [ 4818.363793][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4818.363793][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4818.363793][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4818.363793][ T10] ipv6_find_idev+0x102/0x170 [ 4818.363793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4818.363793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.363793][ T10] netlink_rcv_skb+0x130/0x360 [ 4818.363793][ T10] netlink_unicast+0x449/0x710 [ 4818.363793][ T10] netlink_sendmsg+0x723/0xbe0 [ 4818.363793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4818.363793][ T10] ___sys_sendmsg+0xee/0x170 [ 4818.363793][ T10] __sys_sendmsg+0xcd/0x170 [ 4818.363793][ T10] do_syscall_64+0xc6/0x1e0 [ 4818.363793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.363793][ T10] [ 4818.365665][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4818.365932][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4818.365932][ T10] netdev_get_by_index+0x5e/0x80 [ 4818.365932][ T10] fib6_nh_init+0x3d8/0x1580 [ 4818.365932][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4818.365932][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4818.365932][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4818.365932][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4818.365932][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4818.365932][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4818.365932][ T10] addrconf_dad_begin+0x310/0x670 [ 4818.365932][ T10] addrconf_dad_work+0x10b/0xab0 [ 4818.365932][ T10] process_one_work+0x84d/0x18a0 [ 4818.365932][ T10] worker_thread+0x587/0xd30 [ 4818.365932][ T10] kthread+0x28a/0x350 [ 4818.365932][ T10] ret_from_fork+0x31/0x70 [ 4818.365932][ T10] ret_from_fork_asm+0x1a/0x30 [ 4818.365932][ T10] [ 4818.367999][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4818.367999][ T10] netdev_get_by_index+0x5e/0x80 [ 4818.367999][ T10] fib6_nh_init+0x3d8/0x1580 [ 4818.367999][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4818.367999][ T10] ip6_route_add+0x1c/0x140 [ 4818.367999][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4818.367999][ T10] inet6_addr_add+0x4f8/0xa40 [ 4818.367999][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4818.367999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.367999][ T10] netlink_rcv_skb+0x130/0x360 [ 4818.367999][ T10] netlink_unicast+0x449/0x710 [ 4818.367999][ T10] netlink_sendmsg+0x723/0xbe0 [ 4818.367999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4818.367999][ T10] ___sys_sendmsg+0xee/0x170 [ 4818.367999][ T10] __sys_sendmsg+0xcd/0x170 [ 4818.367999][ T10] do_syscall_64+0xc6/0x1e0 [ 4818.367999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.367999][ T10] [ 4818.370162][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4818.370162][ T10] netdev_get_by_index+0x5e/0x80 [ 4818.370162][ T10] fib6_nh_init+0x3d8/0x1580 [ 4818.370162][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4818.370162][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4818.370162][ T10] ipv6_add_addr+0x411/0x2000 [ 4818.370162][ T10] inet6_addr_add+0x30e/0xa40 [ 4818.370162][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4818.370162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.370162][ T10] netlink_rcv_skb+0x130/0x360 [ 4818.370162][ T10] netlink_unicast+0x449/0x710 [ 4818.370162][ T10] netlink_sendmsg+0x723/0xbe0 [ 4818.370162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4818.370162][ T10] ___sys_sendmsg+0xee/0x170 [ 4818.370162][ T10] __sys_sendmsg+0xcd/0x170 [ 4818.370162][ T10] do_syscall_64+0xc6/0x1e0 [ 4818.370162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.370162][ T10] [ 4818.372333][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4818.372333][ T10] netdev_get_by_index+0x5e/0x80 [ 4818.372333][ T10] fib6_nh_init+0x3d8/0x1580 [ 4818.372333][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4818.372333][ T10] ip6_route_add+0x1c/0x140 [ 4818.372333][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4818.372333][ T10] addrconf_add_dev+0xe2/0x170 [ 4818.372333][ T10] inet6_addr_add+0x12f/0xa40 [ 4818.372333][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4818.372333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.372333][ T10] netlink_rcv_skb+0x130/0x360 [ 4818.372333][ T10] netlink_unicast+0x449/0x710 [ 4818.372333][ T10] netlink_sendmsg+0x723/0xbe0 [ 4818.372333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4818.372333][ T10] ___sys_sendmsg+0xee/0x170 [ 4818.372333][ T10] __sys_sendmsg+0xcd/0x170 [ 4818.372333][ T10] do_syscall_64+0xc6/0x1e0 [ 4818.372333][ T10] [ 4818.374464][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4818.374464][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4818.374464][ T10] ipv6_find_idev+0x102/0x170 [ 4818.374464][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4818.374464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.374464][ T10] netlink_rcv_skb+0x130/0x360 [ 4818.374464][ T10] netlink_unicast+0x449/0x710 [ 4818.374464][ T10] netlink_sendmsg+0x723/0xbe0 [ 4818.374464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4818.374464][ T10] ___sys_sendmsg+0xee/0x170 [ 4818.374464][ T10] __sys_sendmsg+0xcd/0x170 [ 4818.374464][ T10] do_syscall_64+0xc6/0x1e0 [ 4818.374464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.374464][ T10] [ 4818.376200][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4818.376200][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4818.376200][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4818.376200][ T10] ipv6_find_idev+0x102/0x170 [ 4818.376200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4818.376200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.376200][ T10] netlink_rcv_skb+0x130/0x360 [ 4818.376200][ T10] netlink_unicast+0x449/0x710 [ 4818.376200][ T10] netlink_sendmsg+0x723/0xbe0 [ 4818.376200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4818.376200][ T10] ___sys_sendmsg+0xee/0x170 [ 4818.376200][ T10] __sys_sendmsg+0xcd/0x170 [ 4818.376200][ T10] do_syscall_64+0xc6/0x1e0 [ 4818.376200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.376200][ T10] [ 4818.378025][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4818.378287][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4818.378287][ T10] netdev_get_by_index+0x5e/0x80 [ 4818.378287][ T10] fib6_nh_init+0x3d8/0x1580 [ 4818.378287][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4818.378287][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4818.378287][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4818.378287][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4818.378287][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4818.378287][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4818.378287][ T10] addrconf_dad_begin+0x310/0x670 [ 4818.378287][ T10] addrconf_dad_work+0x10b/0xab0 [ 4818.378287][ T10] process_one_work+0x84d/0x18a0 [ 4818.378287][ T10] worker_thread+0x587/0xd30 [ 4818.378287][ T10] kthread+0x28a/0x350 [ 4818.378287][ T10] ret_from_fork+0x31/0x70 [ 4818.378287][ T10] ret_from_fork_asm+0x1a/0x30 [ 4818.378287][ T10] [ 4818.380360][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4818.380360][ T10] netdev_get_by_index+0x5e/0x80 [ 4818.380360][ T10] fib6_nh_init+0x3d8/0x1580 [ 4818.380360][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4818.380360][ T10] ip6_route_add+0x1c/0x140 [ 4818.380360][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4818.380360][ T10] inet6_addr_add+0x4f8/0xa40 [ 4818.380360][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4818.380360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.380360][ T10] netlink_rcv_skb+0x130/0x360 [ 4818.380360][ T10] netlink_unicast+0x449/0x710 [ 4818.380360][ T10] netlink_sendmsg+0x723/0xbe0 [ 4818.380360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4818.380360][ T10] ___sys_sendmsg+0xee/0x170 [ 4818.380360][ T10] __sys_sendmsg+0xcd/0x170 [ 4818.380360][ T10] do_syscall_64+0xc6/0x1e0 [ 4818.380360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.380360][ T10] [ 4818.382707][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4818.382707][ T10] netdev_get_by_index+0x5e/0x80 [ 4818.382707][ T10] fib6_nh_init+0x3d8/0x1580 [ 4818.382707][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4818.382707][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4818.382707][ T10] ipv6_add_addr+0x411/0x2000 [ 4818.382707][ T10] inet6_addr_add+0x30e/0xa40 [ 4818.382707][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4818.382707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.382707][ T10] netlink_rcv_skb+0x130/0x360 [ 4818.382707][ T10] netlink_unicast+0x449/0x710 [ 4818.382707][ T10] netlink_sendmsg+0x723/0xbe0 [ 4818.382707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4818.382707][ T10] ___sys_sendmsg+0xee/0x170 [ 4818.382707][ T10] __sys_sendmsg+0xcd/0x170 [ 4818.382707][ T10] do_syscall_64+0xc6/0x1e0 [ 4818.382707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.382707][ T10] [ 4818.385190][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4818.385190][ T10] netdev_get_by_index+0x5e/0x80 [ 4818.385190][ T10] fib6_nh_init+0x3d8/0x1580 [ 4818.385190][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4818.385190][ T10] ip6_route_add+0x1c/0x140 [ 4818.385190][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4818.385190][ T10] addrconf_add_dev+0xe2/0x170 [ 4818.385190][ T10] inet6_addr_add+0x12f/0xa40 [ 4818.385190][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4818.385190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.385190][ T10] netlink_rcv_skb+0x130/0x360 [ 4818.385190][ T10] netlink_unicast+0x449/0x710 [ 4818.385190][ T10] netlink_sendmsg+0x723/0xbe0 [ 4818.385190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4818.385190][ T10] ___sys_sendmsg+0xee/0x170 [ 4818.385190][ T10] __sys_sendmsg+0xcd/0x170 [ 4818.385190][ T10] do_syscall_64+0xc6/0x1e0 [ 4818.385190][ T10] [ 4818.387505][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4818.387505][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4818.387505][ T10] ipv6_find_idev+0x102/0x170 [ 4818.387505][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4818.387505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.387505][ T10] netlink_rcv_skb+0x130/0x360 [ 4818.387505][ T10] netlink_unicast+0x449/0x710 [ 4818.387505][ T10] netlink_sendmsg+0x723/0xbe0 [ 4818.387505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4818.387505][ T10] ___sys_sendmsg+0xee/0x170 [ 4818.387505][ T10] __sys_sendmsg+0xcd/0x170 [ 4818.387505][ T10] do_syscall_64+0xc6/0x1e0 [ 4818.387505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.387505][ T10] [ 4818.389380][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4818.389380][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4818.389380][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4818.389380][ T10] ipv6_find_idev+0x102/0x170 [ 4818.389380][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4818.389380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.389380][ T10] netlink_rcv_skb+0x130/0x360 [ 4818.389380][ T10] netlink_unicast+0x449/0x710 [ 4818.389380][ T10] netlink_sendmsg+0x723/0xbe0 [ 4818.389380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4818.389380][ T10] ___sys_sendmsg+0xee/0x170 [ 4818.389380][ T10] __sys_sendmsg+0xcd/0x170 [ 4818.389380][ T10] do_syscall_64+0xc6/0x1e0 [ 4818.389380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.389380][ T10] [ 4818.391464][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4818.391715][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4818.391715][ T10] netdev_get_by_index+0x5e/0x80 [ 4818.391715][ T10] fib6_nh_init+0x3d8/0x1580 [ 4818.391715][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4818.391715][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4818.391715][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4818.391715][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4818.391715][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4818.391715][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4818.391715][ T10] addrconf_dad_begin+0x310/0x670 [ 4818.391715][ T10] addrconf_dad_work+0x10b/0xab0 [ 4818.391715][ T10] process_one_work+0x84d/0x18a0 [ 4818.391715][ T10] worker_thread+0x587/0xd30 [ 4818.391715][ T10] kthread+0x28a/0x350 [ 4818.391715][ T10] ret_from_fork+0x31/0x70 [ 4818.391715][ T10] ret_from_fork_asm+0x1a/0x30 [ 4818.391715][ T10] [ 4818.394120][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4818.394120][ T10] netdev_get_by_index+0x5e/0x80 [ 4818.394120][ T10] fib6_nh_init+0x3d8/0x1580 [ 4818.394120][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4818.394120][ T10] ip6_route_add+0x1c/0x140 [ 4818.394120][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4818.394120][ T10] inet6_addr_add+0x4f8/0xa40 [ 4818.394120][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4818.394120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.394120][ T10] netlink_rcv_skb+0x130/0x360 [ 4818.394120][ T10] netlink_unicast+0x449/0x710 [ 4818.394120][ T10] netlink_sendmsg+0x723/0xbe0 [ 4818.394120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4818.394120][ T10] ___sys_sendmsg+0xee/0x170 [ 4818.394120][ T10] __sys_sendmsg+0xcd/0x170 [ 4818.394120][ T10] do_syscall_64+0xc6/0x1e0 [ 4818.394120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.394120][ T10] [ 4818.396553][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4818.396553][ T10] netdev_get_by_index+0x5e/0x80 [ 4818.396553][ T10] fib6_nh_init+0x3d8/0x1580 [ 4818.396553][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4818.396553][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4818.396553][ T10] ipv6_add_addr+0x411/0x2000 [ 4818.396553][ T10] inet6_addr_add+0x30e/0xa40 [ 4818.396553][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4818.396553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.396553][ T10] netlink_rcv_skb+0x130/0x360 [ 4818.396553][ T10] netlink_unicast+0x449/0x710 [ 4818.396553][ T10] netlink_sendmsg+0x723/0xbe0 [ 4818.396553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4818.396553][ T10] ___sys_sendmsg+0xee/0x170 [ 4818.396553][ T10] __sys_sendmsg+0xcd/0x170 [ 4818.396553][ T10] do_syscall_64+0xc6/0x1e0 [ 4818.396553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.396553][ T10] [ 4818.398939][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4818.398939][ T10] netdev_get_by_index+0x5e/0x80 [ 4818.398939][ T10] fib6_nh_init+0x3d8/0x1580 [ 4818.398939][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4818.398939][ T10] ip6_route_add+0x1c/0x140 [ 4818.398939][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4818.398939][ T10] addrconf_add_dev+0xe2/0x170 [ 4818.398939][ T10] inet6_addr_add+0x12f/0xa40 [ 4818.398939][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4818.398939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.398939][ T10] netlink_rcv_skb+0x130/0x360 [ 4818.398939][ T10] netlink_unicast+0x449/0x710 [ 4818.398939][ T10] netlink_sendmsg+0x723/0xbe0 [ 4818.398939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4818.398939][ T10] ___sys_sendmsg+0xee/0x170 [ 4818.398939][ T10] __sys_sendmsg+0xcd/0x170 [ 4818.398939][ T10] do_syscall_64+0xc6/0x1e0 [ 4818.398939][ T10] [ 4818.401320][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4818.401320][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4818.401320][ T10] ipv6_find_idev+0x102/0x170 [ 4818.401320][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4818.401320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.401320][ T10] netlink_rcv_skb+0x130/0x360 [ 4818.401320][ T10] netlink_unicast+0x449/0x710 [ 4818.401320][ T10] netlink_sendmsg+0x723/0xbe0 [ 4818.401320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4818.401320][ T10] ___sys_sendmsg+0xee/0x170 [ 4818.401320][ T10] __sys_sendmsg+0xcd/0x170 [ 4818.401320][ T10] do_syscall_64+0xc6/0x1e0 [ 4818.401320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.401320][ T10] [ 4818.403194][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4818.403194][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4818.403194][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4818.403194][ T10] ipv6_find_idev+0x102/0x170 [ 4818.403194][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4818.403194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.403194][ T10] netlink_rcv_skb+0x130/0x360 [ 4818.403194][ T10] netlink_unicast+0x449/0x710 [ 4818.403194][ T10] netlink_sendmsg+0x723/0xbe0 [ 4818.403194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4818.403194][ T10] ___sys_sendmsg+0xee/0x170 [ 4818.403194][ T10] __sys_sendmsg+0xcd/0x170 [ 4818.403194][ T10] do_syscall_64+0xc6/0x1e0 [ 4818.403194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.403194][ T10] [ 4822.841081][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4822.841526][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4822.841526][ T1167] dst_init+0x84/0x4a0 [ 4822.841526][ T1167] dst_alloc+0x97/0x150 [ 4822.841526][ T1167] ip6_dst_alloc+0x23/0x90 [ 4822.841526][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4822.841526][ T1167] ip6_pol_route+0x56f/0x840 [ 4822.841526][ T1167] fib6_rule_lookup+0x334/0x630 [ 4822.841526][ T1167] ip6_route_output_flags+0x259/0x480 [ 4822.841526][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4822.841526][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4822.841526][ T1167] netlink_rcv_skb+0x130/0x360 [ 4822.841526][ T1167] netlink_unicast+0x449/0x710 [ 4822.841526][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4822.841526][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4822.841526][ T1167] ___sys_sendmsg+0xee/0x170 [ 4822.841526][ T1167] __sys_sendmsg+0xcd/0x170 [ 4822.841526][ T1167] do_syscall_64+0xc6/0x1e0 [ 4822.841526][ T1167] [ 4822.843932][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4822.843932][ T1167] netdev_get_by_index+0x5e/0x80 [ 4822.843932][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4822.843932][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4822.843932][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4822.843932][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4822.843932][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4822.843932][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4822.843932][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4822.843932][ T1167] addrconf_dad_begin+0x310/0x670 [ 4822.843932][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4822.843932][ T1167] process_one_work+0x84d/0x18a0 [ 4822.843932][ T1167] worker_thread+0x587/0xd30 [ 4822.843932][ T1167] kthread+0x28a/0x350 [ 4822.843932][ T1167] ret_from_fork+0x31/0x70 [ 4822.843932][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4822.843932][ T1167] [ 4822.846334][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4822.846334][ T1167] netdev_get_by_index+0x5e/0x80 [ 4822.846334][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4822.846334][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4822.846334][ T1167] ip6_route_add+0x1c/0x140 [ 4822.846334][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4822.846334][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4822.846334][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4822.846334][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4822.846334][ T1167] netlink_rcv_skb+0x130/0x360 [ 4822.846334][ T1167] netlink_unicast+0x449/0x710 [ 4822.846334][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4822.846334][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4822.846334][ T1167] ___sys_sendmsg+0xee/0x170 [ 4822.846334][ T1167] __sys_sendmsg+0xcd/0x170 [ 4822.846334][ T1167] do_syscall_64+0xc6/0x1e0 [ 4822.846334][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4822.846334][ T1167] [ 4822.848794][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4822.848794][ T1167] netdev_get_by_index+0x5e/0x80 [ 4822.848794][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4822.848794][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4822.848794][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4822.848794][ T1167] ipv6_add_addr+0x411/0x2000 [ 4822.848794][ T1167] inet6_addr_add+0x30e/0xa40 [ 4822.848794][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4822.848794][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4822.848794][ T1167] netlink_rcv_skb+0x130/0x360 [ 4822.848794][ T1167] netlink_unicast+0x449/0x710 [ 4822.848794][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4822.848794][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4822.848794][ T1167] ___sys_sendmsg+0xee/0x170 [ 4822.848794][ T1167] __sys_sendmsg+0xcd/0x170 [ 4822.848794][ T1167] do_syscall_64+0xc6/0x1e0 [ 4822.848794][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4822.848794][ T1167] [ 4822.851241][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4822.851241][ T1167] netdev_get_by_index+0x5e/0x80 [ 4822.851241][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4822.851241][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4822.851241][ T1167] ip6_route_add+0x1c/0x140 [ 4822.851241][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4822.851241][ T1167] addrconf_add_dev+0xe2/0x170 [ 4822.851241][ T1167] inet6_addr_add+0x12f/0xa40 [ 4822.851241][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4822.851241][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4822.851241][ T1167] netlink_rcv_skb+0x130/0x360 [ 4822.851241][ T1167] netlink_unicast+0x449/0x710 [ 4822.851241][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4822.851241][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4822.851241][ T1167] ___sys_sendmsg+0xee/0x170 [ 4822.851241][ T1167] __sys_sendmsg+0xcd/0x170 [ 4822.851241][ T1167] do_syscall_64+0xc6/0x1e0 [ 4822.851241][ T1167] [ 4822.853648][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4822.853648][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4822.853648][ T1167] ipv6_find_idev+0x102/0x170 [ 4822.853648][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4822.853648][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4822.853648][ T1167] netlink_rcv_skb+0x130/0x360 [ 4822.853648][ T1167] netlink_unicast+0x449/0x710 [ 4822.853648][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4822.853648][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4822.853648][ T1167] ___sys_sendmsg+0xee/0x170 [ 4822.853648][ T1167] __sys_sendmsg+0xcd/0x170 [ 4822.853648][ T1167] do_syscall_64+0xc6/0x1e0 [ 4822.853648][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4822.853648][ T1167] [ 4822.855549][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4822.855549][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4822.855549][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4822.855549][ T1167] ipv6_find_idev+0x102/0x170 [ 4822.855549][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4822.855549][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4822.855549][ T1167] netlink_rcv_skb+0x130/0x360 [ 4822.855549][ T1167] netlink_unicast+0x449/0x710 [ 4822.855549][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4822.855549][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4822.855549][ T1167] ___sys_sendmsg+0xee/0x170 [ 4822.855549][ T1167] __sys_sendmsg+0xcd/0x170 [ 4822.855549][ T1167] do_syscall_64+0xc6/0x1e0 [ 4822.855549][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4822.855549][ T1167] [ 4828.641141][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4828.641580][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4828.641580][ T10] netdev_get_by_index+0x5e/0x80 [ 4828.641580][ T10] fib6_nh_init+0x3d8/0x1580 [ 4828.641580][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4828.641580][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4828.641580][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4828.641580][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4828.641580][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4828.641580][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4828.641580][ T10] addrconf_dad_begin+0x310/0x670 [ 4828.641580][ T10] addrconf_dad_work+0x10b/0xab0 [ 4828.641580][ T10] process_one_work+0x84d/0x18a0 [ 4828.641580][ T10] worker_thread+0x587/0xd30 [ 4828.641580][ T10] kthread+0x28a/0x350 [ 4828.641580][ T10] ret_from_fork+0x31/0x70 [ 4828.641580][ T10] ret_from_fork_asm+0x1a/0x30 [ 4828.641580][ T10] [ 4828.643677][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4828.643677][ T10] netdev_get_by_index+0x5e/0x80 [ 4828.643677][ T10] fib6_nh_init+0x3d8/0x1580 [ 4828.643677][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4828.643677][ T10] ip6_route_add+0x1c/0x140 [ 4828.643677][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4828.643677][ T10] inet6_addr_add+0x4f8/0xa40 [ 4828.643677][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4828.643677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.643677][ T10] netlink_rcv_skb+0x130/0x360 [ 4828.643677][ T10] netlink_unicast+0x449/0x710 [ 4828.643677][ T10] netlink_sendmsg+0x723/0xbe0 [ 4828.643677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4828.643677][ T10] ___sys_sendmsg+0xee/0x170 [ 4828.643677][ T10] __sys_sendmsg+0xcd/0x170 [ 4828.643677][ T10] do_syscall_64+0xc6/0x1e0 [ 4828.643677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.643677][ T10] [ 4828.645858][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4828.645858][ T10] netdev_get_by_index+0x5e/0x80 [ 4828.645858][ T10] fib6_nh_init+0x3d8/0x1580 [ 4828.645858][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4828.645858][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4828.645858][ T10] ipv6_add_addr+0x411/0x2000 [ 4828.645858][ T10] inet6_addr_add+0x30e/0xa40 [ 4828.645858][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4828.645858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.645858][ T10] netlink_rcv_skb+0x130/0x360 [ 4828.645858][ T10] netlink_unicast+0x449/0x710 [ 4828.645858][ T10] netlink_sendmsg+0x723/0xbe0 [ 4828.645858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4828.645858][ T10] ___sys_sendmsg+0xee/0x170 [ 4828.645858][ T10] __sys_sendmsg+0xcd/0x170 [ 4828.645858][ T10] do_syscall_64+0xc6/0x1e0 [ 4828.645858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.645858][ T10] [ 4828.648034][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4828.648034][ T10] netdev_get_by_index+0x5e/0x80 [ 4828.648034][ T10] fib6_nh_init+0x3d8/0x1580 [ 4828.648034][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4828.648034][ T10] ip6_route_add+0x1c/0x140 [ 4828.648034][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4828.648034][ T10] addrconf_add_dev+0xe2/0x170 [ 4828.648034][ T10] inet6_addr_add+0x12f/0xa40 [ 4828.648034][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4828.648034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.648034][ T10] netlink_rcv_skb+0x130/0x360 [ 4828.648034][ T10] netlink_unicast+0x449/0x710 [ 4828.648034][ T10] netlink_sendmsg+0x723/0xbe0 [ 4828.648034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4828.648034][ T10] ___sys_sendmsg+0xee/0x170 [ 4828.648034][ T10] __sys_sendmsg+0xcd/0x170 [ 4828.648034][ T10] do_syscall_64+0xc6/0x1e0 [ 4828.648034][ T10] [ 4828.650166][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4828.650166][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4828.650166][ T10] ipv6_find_idev+0x102/0x170 [ 4828.650166][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4828.650166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.650166][ T10] netlink_rcv_skb+0x130/0x360 [ 4828.650166][ T10] netlink_unicast+0x449/0x710 [ 4828.650166][ T10] netlink_sendmsg+0x723/0xbe0 [ 4828.650166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4828.650166][ T10] ___sys_sendmsg+0xee/0x170 [ 4828.650166][ T10] __sys_sendmsg+0xcd/0x170 [ 4828.650166][ T10] do_syscall_64+0xc6/0x1e0 [ 4828.650166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.650166][ T10] [ 4828.651842][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4828.651842][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4828.651842][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4828.651842][ T10] ipv6_find_idev+0x102/0x170 [ 4828.651842][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4828.651842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.651842][ T10] netlink_rcv_skb+0x130/0x360 [ 4828.651842][ T10] netlink_unicast+0x449/0x710 [ 4828.651842][ T10] netlink_sendmsg+0x723/0xbe0 [ 4828.651842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4828.651842][ T10] ___sys_sendmsg+0xee/0x170 [ 4828.651842][ T10] __sys_sendmsg+0xcd/0x170 [ 4828.651842][ T10] do_syscall_64+0xc6/0x1e0 [ 4828.651842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.651842][ T10] [ 4828.653685][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4828.653943][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4828.653943][ T10] netdev_get_by_index+0x5e/0x80 [ 4828.653943][ T10] fib6_nh_init+0x3d8/0x1580 [ 4828.653943][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4828.653943][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4828.653943][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4828.653943][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4828.653943][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4828.653943][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4828.653943][ T10] addrconf_dad_begin+0x310/0x670 [ 4828.653943][ T10] addrconf_dad_work+0x10b/0xab0 [ 4828.653943][ T10] process_one_work+0x84d/0x18a0 [ 4828.653943][ T10] worker_thread+0x587/0xd30 [ 4828.653943][ T10] kthread+0x28a/0x350 [ 4828.653943][ T10] ret_from_fork+0x31/0x70 [ 4828.653943][ T10] ret_from_fork_asm+0x1a/0x30 [ 4828.653943][ T10] [ 4828.656031][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4828.656031][ T10] netdev_get_by_index+0x5e/0x80 [ 4828.656031][ T10] fib6_nh_init+0x3d8/0x1580 [ 4828.656031][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4828.656031][ T10] ip6_route_add+0x1c/0x140 [ 4828.656031][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4828.656031][ T10] inet6_addr_add+0x4f8/0xa40 [ 4828.656031][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4828.656031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.656031][ T10] netlink_rcv_skb+0x130/0x360 [ 4828.656031][ T10] netlink_unicast+0x449/0x710 [ 4828.656031][ T10] netlink_sendmsg+0x723/0xbe0 [ 4828.656031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4828.656031][ T10] ___sys_sendmsg+0xee/0x170 [ 4828.656031][ T10] __sys_sendmsg+0xcd/0x170 [ 4828.656031][ T10] do_syscall_64+0xc6/0x1e0 [ 4828.656031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.656031][ T10] [ 4828.658201][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4828.658201][ T10] netdev_get_by_index+0x5e/0x80 [ 4828.658201][ T10] fib6_nh_init+0x3d8/0x1580 [ 4828.658201][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4828.658201][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4828.658201][ T10] ipv6_add_addr+0x411/0x2000 [ 4828.658201][ T10] inet6_addr_add+0x30e/0xa40 [ 4828.658201][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4828.658201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.658201][ T10] netlink_rcv_skb+0x130/0x360 [ 4828.658201][ T10] netlink_unicast+0x449/0x710 [ 4828.658201][ T10] netlink_sendmsg+0x723/0xbe0 [ 4828.658201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4828.658201][ T10] ___sys_sendmsg+0xee/0x170 [ 4828.658201][ T10] __sys_sendmsg+0xcd/0x170 [ 4828.658201][ T10] do_syscall_64+0xc6/0x1e0 [ 4828.658201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.658201][ T10] [ 4828.660382][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4828.660382][ T10] netdev_get_by_index+0x5e/0x80 [ 4828.660382][ T10] fib6_nh_init+0x3d8/0x1580 [ 4828.660382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4828.660382][ T10] ip6_route_add+0x1c/0x140 [ 4828.660382][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4828.660382][ T10] addrconf_add_dev+0xe2/0x170 [ 4828.660382][ T10] inet6_addr_add+0x12f/0xa40 [ 4828.660382][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4828.660382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.660382][ T10] netlink_rcv_skb+0x130/0x360 [ 4828.660382][ T10] netlink_unicast+0x449/0x710 [ 4828.660382][ T10] netlink_sendmsg+0x723/0xbe0 [ 4828.660382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4828.660382][ T10] ___sys_sendmsg+0xee/0x170 [ 4828.660382][ T10] __sys_sendmsg+0xcd/0x170 [ 4828.660382][ T10] do_syscall_64+0xc6/0x1e0 [ 4828.660382][ T10] [ 4828.662513][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4828.662513][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4828.662513][ T10] ipv6_find_idev+0x102/0x170 [ 4828.662513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4828.662513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.662513][ T10] netlink_rcv_skb+0x130/0x360 [ 4828.662513][ T10] netlink_unicast+0x449/0x710 [ 4828.662513][ T10] netlink_sendmsg+0x723/0xbe0 [ 4828.662513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4828.662513][ T10] ___sys_sendmsg+0xee/0x170 [ 4828.662513][ T10] __sys_sendmsg+0xcd/0x170 [ 4828.662513][ T10] do_syscall_64+0xc6/0x1e0 [ 4828.662513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.662513][ T10] [ 4828.664185][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4828.664185][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4828.664185][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4828.664185][ T10] ipv6_find_idev+0x102/0x170 [ 4828.664185][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4828.664185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.664185][ T10] netlink_rcv_skb+0x130/0x360 [ 4828.664185][ T10] netlink_unicast+0x449/0x710 [ 4828.664185][ T10] netlink_sendmsg+0x723/0xbe0 [ 4828.664185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4828.664185][ T10] ___sys_sendmsg+0xee/0x170 [ 4828.664185][ T10] __sys_sendmsg+0xcd/0x170 [ 4828.664185][ T10] do_syscall_64+0xc6/0x1e0 [ 4828.664185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.664185][ T10] [ 4828.666080][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4828.666365][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4828.666365][ T10] netdev_get_by_index+0x5e/0x80 [ 4828.666365][ T10] fib6_nh_init+0x3d8/0x1580 [ 4828.666365][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4828.666365][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4828.666365][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4828.666365][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4828.666365][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4828.666365][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4828.666365][ T10] addrconf_dad_begin+0x310/0x670 [ 4828.666365][ T10] addrconf_dad_work+0x10b/0xab0 [ 4828.666365][ T10] process_one_work+0x84d/0x18a0 [ 4828.666365][ T10] worker_thread+0x587/0xd30 [ 4828.666365][ T10] kthread+0x28a/0x350 [ 4828.666365][ T10] ret_from_fork+0x31/0x70 [ 4828.666365][ T10] ret_from_fork_asm+0x1a/0x30 [ 4828.666365][ T10] [ 4828.668451][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4828.668451][ T10] netdev_get_by_index+0x5e/0x80 [ 4828.668451][ T10] fib6_nh_init+0x3d8/0x1580 [ 4828.668451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4828.668451][ T10] ip6_route_add+0x1c/0x140 [ 4828.668451][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4828.668451][ T10] inet6_addr_add+0x4f8/0xa40 [ 4828.668451][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4828.668451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.668451][ T10] netlink_rcv_skb+0x130/0x360 [ 4828.668451][ T10] netlink_unicast+0x449/0x710 [ 4828.668451][ T10] netlink_sendmsg+0x723/0xbe0 [ 4828.668451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4828.668451][ T10] ___sys_sendmsg+0xee/0x170 [ 4828.668451][ T10] __sys_sendmsg+0xcd/0x170 [ 4828.668451][ T10] do_syscall_64+0xc6/0x1e0 [ 4828.668451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.668451][ T10] [ 4828.670824][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4828.670824][ T10] netdev_get_by_index+0x5e/0x80 [ 4828.670824][ T10] fib6_nh_init+0x3d8/0x1580 [ 4828.670824][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4828.670824][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4828.670824][ T10] ipv6_add_addr+0x411/0x2000 [ 4828.670824][ T10] inet6_addr_add+0x30e/0xa40 [ 4828.670824][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4828.670824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.670824][ T10] netlink_rcv_skb+0x130/0x360 [ 4828.670824][ T10] netlink_unicast+0x449/0x710 [ 4828.670824][ T10] netlink_sendmsg+0x723/0xbe0 [ 4828.670824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4828.670824][ T10] ___sys_sendmsg+0xee/0x170 [ 4828.670824][ T10] __sys_sendmsg+0xcd/0x170 [ 4828.670824][ T10] do_syscall_64+0xc6/0x1e0 [ 4828.670824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.670824][ T10] [ 4828.673310][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4828.673310][ T10] netdev_get_by_index+0x5e/0x80 [ 4828.673310][ T10] fib6_nh_init+0x3d8/0x1580 [ 4828.673310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4828.673310][ T10] ip6_route_add+0x1c/0x140 [ 4828.673310][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4828.673310][ T10] addrconf_add_dev+0xe2/0x170 [ 4828.673310][ T10] inet6_addr_add+0x12f/0xa40 [ 4828.673310][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4828.673310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.673310][ T10] netlink_rcv_skb+0x130/0x360 [ 4828.673310][ T10] netlink_unicast+0x449/0x710 [ 4828.673310][ T10] netlink_sendmsg+0x723/0xbe0 [ 4828.673310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4828.673310][ T10] ___sys_sendmsg+0xee/0x170 [ 4828.673310][ T10] __sys_sendmsg+0xcd/0x170 [ 4828.673310][ T10] do_syscall_64+0xc6/0x1e0 [ 4828.673310][ T10] [ 4828.675685][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4828.675685][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4828.675685][ T10] ipv6_find_idev+0x102/0x170 [ 4828.675685][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4828.675685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.675685][ T10] netlink_rcv_skb+0x130/0x360 [ 4828.675685][ T10] netlink_unicast+0x449/0x710 [ 4828.675685][ T10] netlink_sendmsg+0x723/0xbe0 [ 4828.675685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4828.675685][ T10] ___sys_sendmsg+0xee/0x170 [ 4828.675685][ T10] __sys_sendmsg+0xcd/0x170 [ 4828.675685][ T10] do_syscall_64+0xc6/0x1e0 [ 4828.675685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.675685][ T10] [ 4828.677547][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4828.677547][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4828.677547][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4828.677547][ T10] ipv6_find_idev+0x102/0x170 [ 4828.677547][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4828.677547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.677547][ T10] netlink_rcv_skb+0x130/0x360 [ 4828.677547][ T10] netlink_unicast+0x449/0x710 [ 4828.677547][ T10] netlink_sendmsg+0x723/0xbe0 [ 4828.677547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4828.677547][ T10] ___sys_sendmsg+0xee/0x170 [ 4828.677547][ T10] __sys_sendmsg+0xcd/0x170 [ 4828.677547][ T10] do_syscall_64+0xc6/0x1e0 [ 4828.677547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.677547][ T10] [ 4828.680171][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4828.680435][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4828.680435][ T10] netdev_get_by_index+0x5e/0x80 [ 4828.680435][ T10] fib6_nh_init+0x3d8/0x1580 [ 4828.680435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4828.680435][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4828.680435][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4828.680435][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4828.680435][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4828.680435][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4828.680435][ T10] addrconf_dad_begin+0x310/0x670 [ 4828.680435][ T10] addrconf_dad_work+0x10b/0xab0 [ 4828.680435][ T10] process_one_work+0x84d/0x18a0 [ 4828.680435][ T10] worker_thread+0x587/0xd30 [ 4828.680435][ T10] kthread+0x28a/0x350 [ 4828.680435][ T10] ret_from_fork+0x31/0x70 [ 4828.680435][ T10] ret_from_fork_asm+0x1a/0x30 [ 4828.680435][ T10] [ 4828.756159][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4828.756159][ T10] netdev_get_by_index+0x5e/0x80 [ 4828.756159][ T10] fib6_nh_init+0x3d8/0x1580 [ 4828.756159][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4828.756159][ T10] ip6_route_add+0x1c/0x140 [ 4828.756159][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4828.756159][ T10] inet6_addr_add+0x4f8/0xa40 [ 4828.756159][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4828.756159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.756159][ T10] netlink_rcv_skb+0x130/0x360 [ 4828.756159][ T10] netlink_unicast+0x449/0x710 [ 4828.756159][ T10] netlink_sendmsg+0x723/0xbe0 [ 4828.756159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4828.756159][ T10] ___sys_sendmsg+0xee/0x170 [ 4828.756159][ T10] __sys_sendmsg+0xcd/0x170 [ 4828.756159][ T10] do_syscall_64+0xc6/0x1e0 [ 4828.756159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.756159][ T10] [ 4828.758599][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4828.758599][ T10] netdev_get_by_index+0x5e/0x80 [ 4828.758599][ T10] fib6_nh_init+0x3d8/0x1580 [ 4828.758599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4828.758599][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4828.758599][ T10] ipv6_add_addr+0x411/0x2000 [ 4828.758599][ T10] inet6_addr_add+0x30e/0xa40 [ 4828.758599][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4828.758599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.758599][ T10] netlink_rcv_skb+0x130/0x360 [ 4828.758599][ T10] netlink_unicast+0x449/0x710 [ 4828.758599][ T10] netlink_sendmsg+0x723/0xbe0 [ 4828.758599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4828.758599][ T10] ___sys_sendmsg+0xee/0x170 [ 4828.758599][ T10] __sys_sendmsg+0xcd/0x170 [ 4828.758599][ T10] do_syscall_64+0xc6/0x1e0 [ 4828.758599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.758599][ T10] [ 4828.760975][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4828.760975][ T10] netdev_get_by_index+0x5e/0x80 [ 4828.760975][ T10] fib6_nh_init+0x3d8/0x1580 [ 4828.760975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4828.760975][ T10] ip6_route_add+0x1c/0x140 [ 4828.760975][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4828.760975][ T10] addrconf_add_dev+0xe2/0x170 [ 4828.760975][ T10] inet6_addr_add+0x12f/0xa40 [ 4828.760975][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4828.760975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.760975][ T10] netlink_rcv_skb+0x130/0x360 [ 4828.760975][ T10] netlink_unicast+0x449/0x710 [ 4828.760975][ T10] netlink_sendmsg+0x723/0xbe0 [ 4828.760975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4828.760975][ T10] ___sys_sendmsg+0xee/0x170 [ 4828.760975][ T10] __sys_sendmsg+0xcd/0x170 [ 4828.760975][ T10] do_syscall_64+0xc6/0x1e0 [ 4828.760975][ T10] [ 4828.763396][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4828.763396][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4828.763396][ T10] ipv6_find_idev+0x102/0x170 [ 4828.763396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4828.763396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.763396][ T10] netlink_rcv_skb+0x130/0x360 [ 4828.763396][ T10] netlink_unicast+0x449/0x710 [ 4828.763396][ T10] netlink_sendmsg+0x723/0xbe0 [ 4828.763396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4828.763396][ T10] ___sys_sendmsg+0xee/0x170 [ 4828.763396][ T10] __sys_sendmsg+0xcd/0x170 [ 4828.763396][ T10] do_syscall_64+0xc6/0x1e0 [ 4828.763396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.763396][ T10] [ 4828.765197][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4828.765197][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4828.765197][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4828.765197][ T10] ipv6_find_idev+0x102/0x170 [ 4828.765197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4828.765197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.765197][ T10] netlink_rcv_skb+0x130/0x360 [ 4828.765197][ T10] netlink_unicast+0x449/0x710 [ 4828.765197][ T10] netlink_sendmsg+0x723/0xbe0 [ 4828.765197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4828.765197][ T10] ___sys_sendmsg+0xee/0x170 [ 4828.765197][ T10] __sys_sendmsg+0xcd/0x170 [ 4828.765197][ T10] do_syscall_64+0xc6/0x1e0 [ 4828.765197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.765197][ T10] [ 4832.929046][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4832.929554][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4832.929554][ T1167] dst_init+0x84/0x4a0 [ 4832.929554][ T1167] dst_alloc+0x97/0x150 [ 4832.929554][ T1167] ip6_dst_alloc+0x23/0x90 [ 4832.929554][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4832.929554][ T1167] ip6_pol_route+0x56f/0x840 [ 4832.929554][ T1167] fib6_rule_lookup+0x334/0x630 [ 4832.929554][ T1167] ip6_route_output_flags+0x259/0x480 [ 4832.929554][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4832.929554][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4832.929554][ T1167] netlink_rcv_skb+0x130/0x360 [ 4832.929554][ T1167] netlink_unicast+0x449/0x710 [ 4832.929554][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4832.929554][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4832.929554][ T1167] ___sys_sendmsg+0xee/0x170 [ 4832.929554][ T1167] __sys_sendmsg+0xcd/0x170 [ 4832.929554][ T1167] do_syscall_64+0xc6/0x1e0 [ 4832.929554][ T1167] [ 4832.931929][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4832.931929][ T1167] netdev_get_by_index+0x5e/0x80 [ 4832.931929][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4832.931929][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4832.931929][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4832.931929][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4832.931929][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4832.931929][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4832.931929][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4832.931929][ T1167] addrconf_dad_begin+0x310/0x670 [ 4832.931929][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4832.931929][ T1167] process_one_work+0x84d/0x18a0 [ 4832.931929][ T1167] worker_thread+0x587/0xd30 [ 4832.931929][ T1167] kthread+0x28a/0x350 [ 4832.931929][ T1167] ret_from_fork+0x31/0x70 [ 4832.931929][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4832.931929][ T1167] [ 4832.934285][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4832.934285][ T1167] netdev_get_by_index+0x5e/0x80 [ 4832.934285][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4832.934285][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4832.934285][ T1167] ip6_route_add+0x1c/0x140 [ 4832.934285][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4832.934285][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4832.934285][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4832.934285][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4832.934285][ T1167] netlink_rcv_skb+0x130/0x360 [ 4832.934285][ T1167] netlink_unicast+0x449/0x710 [ 4832.934285][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4832.934285][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4832.934285][ T1167] ___sys_sendmsg+0xee/0x170 [ 4832.934285][ T1167] __sys_sendmsg+0xcd/0x170 [ 4832.934285][ T1167] do_syscall_64+0xc6/0x1e0 [ 4832.934285][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4832.934285][ T1167] [ 4832.936755][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4832.936755][ T1167] netdev_get_by_index+0x5e/0x80 [ 4832.936755][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4832.936755][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4832.936755][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4832.936755][ T1167] ipv6_add_addr+0x411/0x2000 [ 4832.936755][ T1167] inet6_addr_add+0x30e/0xa40 [ 4832.936755][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4832.936755][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4832.936755][ T1167] netlink_rcv_skb+0x130/0x360 [ 4832.936755][ T1167] netlink_unicast+0x449/0x710 [ 4832.936755][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4832.936755][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4832.936755][ T1167] ___sys_sendmsg+0xee/0x170 [ 4832.936755][ T1167] __sys_sendmsg+0xcd/0x170 [ 4832.936755][ T1167] do_syscall_64+0xc6/0x1e0 [ 4832.936755][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4832.936755][ T1167] [ 4832.988056][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4832.988056][ T1167] netdev_get_by_index+0x5e/0x80 [ 4832.988056][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4832.988056][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4832.988056][ T1167] ip6_route_add+0x1c/0x140 [ 4832.988056][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4832.988056][ T1167] addrconf_add_dev+0xe2/0x170 [ 4832.988056][ T1167] inet6_addr_add+0x12f/0xa40 [ 4832.988056][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4832.988056][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4832.988056][ T1167] netlink_rcv_skb+0x130/0x360 [ 4832.988056][ T1167] netlink_unicast+0x449/0x710 [ 4832.988056][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4832.988056][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4832.988056][ T1167] ___sys_sendmsg+0xee/0x170 [ 4832.988056][ T1167] __sys_sendmsg+0xcd/0x170 [ 4832.988056][ T1167] do_syscall_64+0xc6/0x1e0 [ 4832.988056][ T1167] [ 4832.990998][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4832.990998][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4832.990998][ T1167] ipv6_find_idev+0x102/0x170 [ 4832.990998][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4832.990998][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4832.990998][ T1167] netlink_rcv_skb+0x130/0x360 [ 4832.990998][ T1167] netlink_unicast+0x449/0x710 [ 4832.990998][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4832.990998][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4832.990998][ T1167] ___sys_sendmsg+0xee/0x170 [ 4832.990998][ T1167] __sys_sendmsg+0xcd/0x170 [ 4832.990998][ T1167] do_syscall_64+0xc6/0x1e0 [ 4832.990998][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4832.990998][ T1167] [ 4832.992887][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4832.992887][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4832.992887][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4832.992887][ T1167] ipv6_find_idev+0x102/0x170 [ 4832.992887][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4832.992887][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4832.992887][ T1167] netlink_rcv_skb+0x130/0x360 [ 4832.992887][ T1167] netlink_unicast+0x449/0x710 [ 4832.992887][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4832.992887][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4832.992887][ T1167] ___sys_sendmsg+0xee/0x170 [ 4832.992887][ T1167] __sys_sendmsg+0xcd/0x170 [ 4832.992887][ T1167] do_syscall_64+0xc6/0x1e0 [ 4832.992887][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4832.992887][ T1167] [ 4839.009104][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4839.009501][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4839.009501][ T10] netdev_get_by_index+0x5e/0x80 [ 4839.009501][ T10] fib6_nh_init+0x3d8/0x1580 [ 4839.009501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4839.009501][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4839.009501][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4839.009501][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4839.009501][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4839.009501][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4839.009501][ T10] addrconf_dad_begin+0x310/0x670 [ 4839.009501][ T10] addrconf_dad_work+0x10b/0xab0 [ 4839.009501][ T10] process_one_work+0x84d/0x18a0 [ 4839.009501][ T10] worker_thread+0x587/0xd30 [ 4839.009501][ T10] kthread+0x28a/0x350 [ 4839.009501][ T10] ret_from_fork+0x31/0x70 [ 4839.009501][ T10] ret_from_fork_asm+0x1a/0x30 [ 4839.009501][ T10] [ 4839.011461][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4839.011461][ T10] netdev_get_by_index+0x5e/0x80 [ 4839.011461][ T10] fib6_nh_init+0x3d8/0x1580 [ 4839.011461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4839.011461][ T10] ip6_route_add+0x1c/0x140 [ 4839.011461][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4839.011461][ T10] inet6_addr_add+0x4f8/0xa40 [ 4839.011461][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4839.011461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4839.011461][ T10] netlink_rcv_skb+0x130/0x360 [ 4839.011461][ T10] netlink_unicast+0x449/0x710 [ 4839.011461][ T10] netlink_sendmsg+0x723/0xbe0 [ 4839.011461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4839.011461][ T10] ___sys_sendmsg+0xee/0x170 [ 4839.011461][ T10] __sys_sendmsg+0xcd/0x170 [ 4839.011461][ T10] do_syscall_64+0xc6/0x1e0 [ 4839.011461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4839.011461][ T10] [ 4839.013453][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4839.013453][ T10] netdev_get_by_index+0x5e/0x80 [ 4839.013453][ T10] fib6_nh_init+0x3d8/0x1580 [ 4839.013453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4839.013453][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4839.013453][ T10] ipv6_add_addr+0x411/0x2000 [ 4839.013453][ T10] inet6_addr_add+0x30e/0xa40 [ 4839.013453][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4839.013453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4839.013453][ T10] netlink_rcv_skb+0x130/0x360 [ 4839.013453][ T10] netlink_unicast+0x449/0x710 [ 4839.013453][ T10] netlink_sendmsg+0x723/0xbe0 [ 4839.013453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4839.013453][ T10] ___sys_sendmsg+0xee/0x170 [ 4839.013453][ T10] __sys_sendmsg+0xcd/0x170 [ 4839.013453][ T10] do_syscall_64+0xc6/0x1e0 [ 4839.013453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4839.013453][ T10] [ 4839.015458][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4839.015458][ T10] netdev_get_by_index+0x5e/0x80 [ 4839.015458][ T10] fib6_nh_init+0x3d8/0x1580 [ 4839.015458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4839.015458][ T10] ip6_route_add+0x1c/0x140 [ 4839.015458][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4839.015458][ T10] addrconf_add_dev+0xe2/0x170 [ 4839.015458][ T10] inet6_addr_add+0x12f/0xa40 [ 4839.015458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4839.015458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4839.015458][ T10] netlink_rcv_skb+0x130/0x360 [ 4839.015458][ T10] netlink_unicast+0x449/0x710 [ 4839.015458][ T10] netlink_sendmsg+0x723/0xbe0 [ 4839.015458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4839.015458][ T10] ___sys_sendmsg+0xee/0x170 [ 4839.015458][ T10] __sys_sendmsg+0xcd/0x170 [ 4839.015458][ T10] do_syscall_64+0xc6/0x1e0 [ 4839.015458][ T10] [ 4839.017423][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4839.017423][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4839.017423][ T10] ipv6_find_idev+0x102/0x170 [ 4839.017423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4839.017423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4839.017423][ T10] netlink_rcv_skb+0x130/0x360 [ 4839.017423][ T10] netlink_unicast+0x449/0x710 [ 4839.017423][ T10] netlink_sendmsg+0x723/0xbe0 [ 4839.017423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4839.017423][ T10] ___sys_sendmsg+0xee/0x170 [ 4839.017423][ T10] __sys_sendmsg+0xcd/0x170 [ 4839.017423][ T10] do_syscall_64+0xc6/0x1e0 [ 4839.017423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4839.017423][ T10] [ 4839.018959][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4839.018959][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4839.018959][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4839.018959][ T10] ipv6_find_idev+0x102/0x170 [ 4839.018959][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4839.018959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4839.018959][ T10] netlink_rcv_skb+0x130/0x360 [ 4839.018959][ T10] netlink_unicast+0x449/0x710 [ 4839.018959][ T10] netlink_sendmsg+0x723/0xbe0 [ 4839.018959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4839.018959][ T10] ___sys_sendmsg+0xee/0x170 [ 4839.018959][ T10] __sys_sendmsg+0xcd/0x170 [ 4839.018959][ T10] do_syscall_64+0xc6/0x1e0 [ 4839.018959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4839.018959][ T10] [ 4839.020642][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4839.020907][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4839.020907][ T10] netdev_get_by_index+0x5e/0x80 [ 4839.020907][ T10] fib6_nh_init+0x3d8/0x1580 [ 4839.020907][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4839.020907][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4839.020907][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4839.020907][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4839.020907][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4839.020907][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4839.020907][ T10] addrconf_dad_begin+0x310/0x670 [ 4839.020907][ T10] addrconf_dad_work+0x10b/0xab0 [ 4839.020907][ T10] process_one_work+0x84d/0x18a0 [ 4839.020907][ T10] worker_thread+0x587/0xd30 [ 4839.020907][ T10] kthread+0x28a/0x350 [ 4839.020907][ T10] ret_from_fork+0x31/0x70 [ 4839.020907][ T10] ret_from_fork_asm+0x1a/0x30 [ 4839.020907][ T10] [ 4839.022817][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4839.022817][ T10] netdev_get_by_index+0x5e/0x80 [ 4839.022817][ T10] fib6_nh_init+0x3d8/0x1580 [ 4839.022817][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4839.022817][ T10] ip6_route_add+0x1c/0x140 [ 4839.022817][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4839.022817][ T10] inet6_addr_add+0x4f8/0xa40 [ 4839.022817][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4839.022817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4839.022817][ T10] netlink_rcv_skb+0x130/0x360 [ 4839.022817][ T10] netlink_unicast+0x449/0x710 [ 4839.022817][ T10] netlink_sendmsg+0x723/0xbe0 [ 4839.022817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4839.022817][ T10] ___sys_sendmsg+0xee/0x170 [ 4839.022817][ T10] __sys_sendmsg+0xcd/0x170 [ 4839.022817][ T10] do_syscall_64+0xc6/0x1e0 [ 4839.022817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4839.022817][ T10] [ 4839.024836][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4839.024836][ T10] netdev_get_by_index+0x5e/0x80 [ 4839.024836][ T10] fib6_nh_init+0x3d8/0x1580 [ 4839.024836][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4839.024836][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4839.024836][ T10] ipv6_add_addr+0x411/0x2000 [ 4839.024836][ T10] inet6_addr_add+0x30e/0xa40 [ 4839.024836][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4839.024836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4839.024836][ T10] netlink_rcv_skb+0x130/0x360 [ 4839.024836][ T10] netlink_unicast+0x449/0x710 [ 4839.024836][ T10] netlink_sendmsg+0x723/0xbe0 [ 4839.024836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4839.024836][ T10] ___sys_sendmsg+0xee/0x170 [ 4839.024836][ T10] __sys_sendmsg+0xcd/0x170 [ 4839.024836][ T10] do_syscall_64+0xc6/0x1e0 [ 4839.024836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4839.024836][ T10] [ 4839.027038][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4839.027038][ T10] netdev_get_by_index+0x5e/0x80 [ 4839.027038][ T10] fib6_nh_init+0x3d8/0x1580 [ 4839.027038][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4839.027038][ T10] ip6_route_add+0x1c/0x140 [ 4839.027038][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4839.027038][ T10] addrconf_add_dev+0xe2/0x170 [ 4839.027038][ T10] inet6_addr_add+0x12f/0xa40 [ 4839.027038][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4839.027038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4839.027038][ T10] netlink_rcv_skb+0x130/0x360 [ 4839.027038][ T10] netlink_unicast+0x449/0x710 [ 4839.027038][ T10] netlink_sendmsg+0x723/0xbe0 [ 4839.027038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4839.027038][ T10] ___sys_sendmsg+0xee/0x170 [ 4839.027038][ T10] __sys_sendmsg+0xcd/0x170 [ 4839.027038][ T10] do_syscall_64+0xc6/0x1e0 [ 4839.027038][ T10] [ 4839.029178][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4839.029178][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4839.029178][ T10] ipv6_find_idev+0x102/0x170 [ 4839.029178][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4839.029178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4839.029178][ T10] netlink_rcv_skb+0x130/0x360 [ 4839.029178][ T10] netlink_unicast+0x449/0x710 [ 4839.029178][ T10] netlink_sendmsg+0x723/0xbe0 [ 4839.029178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4839.029178][ T10] ___sys_sendmsg+0xee/0x170 [ 4839.029178][ T10] __sys_sendmsg+0xcd/0x170 [ 4839.029178][ T10] do_syscall_64+0xc6/0x1e0 [ 4839.029178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4839.029178][ T10] [ 4839.030852][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4839.030852][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4839.030852][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4839.030852][ T10] ipv6_find_idev+0x102/0x170 [ 4839.030852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4839.030852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4839.030852][ T10] netlink_rcv_skb+0x130/0x360 [ 4839.030852][ T10] netlink_unicast+0x449/0x710 [ 4839.030852][ T10] netlink_sendmsg+0x723/0xbe0 [ 4839.030852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4839.030852][ T10] ___sys_sendmsg+0xee/0x170 [ 4839.030852][ T10] __sys_sendmsg+0xcd/0x170 [ 4839.030852][ T10] do_syscall_64+0xc6/0x1e0 [ 4839.030852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4839.030852][ T10] [ 4839.032675][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4839.032927][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4839.032927][ T10] netdev_get_by_index+0x5e/0x80 [ 4839.032927][ T10] fib6_nh_init+0x3d8/0x1580 [ 4839.032927][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4839.032927][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4839.032927][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4839.032927][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4839.032927][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4839.032927][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4839.032927][ T10] addrconf_dad_begin+0x310/0x670 [ 4839.032927][ T10] addrconf_dad_work+0x10b/0xab0 [ 4839.032927][ T10] process_one_work+0x84d/0x18a0 [ 4839.032927][ T10] worker_thread+0x587/0xd30 [ 4839.032927][ T10] kthread+0x28a/0x350 [ 4839.032927][ T10] ret_from_fork+0x31/0x70 [ 4839.032927][ T10] ret_from_fork_asm+0x1a/0x30 [ 4839.032927][ T10] [ 4839.034987][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4839.034987][ T10] netdev_get_by_index+0x5e/0x80 [ 4839.034987][ T10] fib6_nh_init+0x3d8/0x1580 [ 4839.034987][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4839.034987][ T10] ip6_route_add+0x1c/0x140 [ 4839.034987][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4839.034987][ T10] inet6_addr_add+0x4f8/0xa40 [ 4839.034987][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4839.034987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4839.034987][ T10] netlink_rcv_skb+0x130/0x360 [ 4839.034987][ T10] netlink_unicast+0x449/0x710 [ 4839.034987][ T10] netlink_sendmsg+0x723/0xbe0 [ 4839.034987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4839.034987][ T10] ___sys_sendmsg+0xee/0x170 [ 4839.034987][ T10] __sys_sendmsg+0xcd/0x170 [ 4839.034987][ T10] do_syscall_64+0xc6/0x1e0 [ 4839.034987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4839.034987][ T10] [ 4839.037338][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4839.037338][ T10] netdev_get_by_index+0x5e/0x80 [ 4839.037338][ T10] fib6_nh_init+0x3d8/0x1580 [ 4839.037338][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4839.037338][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4839.037338][ T10] ipv6_add_addr+0x411/0x2000 [ 4839.037338][ T10] inet6_addr_add+0x30e/0xa40 [ 4839.037338][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4839.037338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4839.037338][ T10] netlink_rcv_skb+0x130/0x360 [ 4839.037338][ T10] netlink_unicast+0x449/0x710 [ 4839.037338][ T10] netlink_sendmsg+0x723/0xbe0 [ 4839.037338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4839.037338][ T10] ___sys_sendmsg+0xee/0x170 [ 4839.037338][ T10] __sys_sendmsg+0xcd/0x170 [ 4839.037338][ T10] do_syscall_64+0xc6/0x1e0 [ 4839.037338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4839.037338][ T10] [ 4839.039814][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4839.039814][ T10] netdev_get_by_index+0x5e/0x80 [ 4839.039814][ T10] fib6_nh_init+0x3d8/0x1580 [ 4839.039814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4839.039814][ T10] ip6_route_add+0x1c/0x140 [ 4839.039814][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4839.039814][ T10] addrconf_add_dev+0xe2/0x170 [ 4839.039814][ T10] inet6_addr_add+0x12f/0xa40 [ 4839.039814][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4839.039814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4839.039814][ T10] netlink_rcv_skb+0x130/0x360 [ 4839.039814][ T10] netlink_unicast+0x449/0x710 [ 4839.039814][ T10] netlink_sendmsg+0x723/0xbe0 [ 4839.039814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4839.039814][ T10] ___sys_sendmsg+0xee/0x170 [ 4839.039814][ T10] __sys_sendmsg+0xcd/0x170 [ 4839.039814][ T10] do_syscall_64+0xc6/0x1e0 [ 4839.039814][ T10] [ 4839.042138][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4839.042138][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4839.042138][ T10] ipv6_find_idev+0x102/0x170 [ 4839.042138][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4839.042138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4839.042138][ T10] netlink_rcv_skb+0x130/0x360 [ 4839.042138][ T10] netlink_unicast+0x449/0x710 [ 4839.042138][ T10] netlink_sendmsg+0x723/0xbe0 [ 4839.042138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4839.042138][ T10] ___sys_sendmsg+0xee/0x170 [ 4839.042138][ T10] __sys_sendmsg+0xcd/0x170 [ 4839.042138][ T10] do_syscall_64+0xc6/0x1e0 [ 4839.042138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4839.042138][ T10] [ 4839.043991][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4839.043991][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4839.043991][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4839.043991][ T10] ipv6_find_idev+0x102/0x170 [ 4839.043991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4839.043991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4839.043991][ T10] netlink_rcv_skb+0x130/0x360 [ 4839.043991][ T10] netlink_unicast+0x449/0x710 [ 4839.043991][ T10] netlink_sendmsg+0x723/0xbe0 [ 4839.043991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4839.043991][ T10] ___sys_sendmsg+0xee/0x170 [ 4839.043991][ T10] __sys_sendmsg+0xcd/0x170 [ 4839.043991][ T10] do_syscall_64+0xc6/0x1e0 [ 4839.043991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4839.043991][ T10] [ 4839.046080][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4839.046340][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4839.046340][ T10] netdev_get_by_index+0x5e/0x80 [ 4839.046340][ T10] fib6_nh_init+0x3d8/0x1580 [ 4839.046340][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4839.046340][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4839.046340][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4839.046340][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4839.046340][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4839.046340][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4839.046340][ T10] addrconf_dad_begin+0x310/0x670 [ 4839.046340][ T10] addrconf_dad_work+0x10b/0xab0 [ 4839.046340][ T10] process_one_work+0x84d/0x18a0 [ 4839.046340][ T10] worker_thread+0x587/0xd30 [ 4839.046340][ T10] kthread+0x28a/0x350 [ 4839.046340][ T10] ret_from_fork+0x31/0x70 [ 4839.046340][ T10] ret_from_fork_asm+0x1a/0x30 [ 4839.046340][ T10] [ 4839.048746][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4839.048746][ T10] netdev_get_by_index+0x5e/0x80 [ 4839.048746][ T10] fib6_nh_init+0x3d8/0x1580 [ 4839.048746][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4839.048746][ T10] ip6_route_add+0x1c/0x140 [ 4839.048746][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4839.048746][ T10] inet6_addr_add+0x4f8/0xa40 [ 4839.048746][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4839.048746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4839.048746][ T10] netlink_rcv_skb+0x130/0x360 [ 4839.048746][ T10] netlink_unicast+0x449/0x710 [ 4839.048746][ T10] netlink_sendmsg+0x723/0xbe0 [ 4839.048746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4839.048746][ T10] ___sys_sendmsg+0xee/0x170 [ 4839.048746][ T10] __sys_sendmsg+0xcd/0x170 [ 4839.048746][ T10] do_syscall_64+0xc6/0x1e0 [ 4839.048746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4839.048746][ T10] [ 4839.051120][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4839.051120][ T10] netdev_get_by_index+0x5e/0x80 [ 4839.051120][ T10] fib6_nh_init+0x3d8/0x1580 [ 4839.051120][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4839.051120][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4839.051120][ T10] ipv6_add_addr+0x411/0x2000 [ 4839.051120][ T10] inet6_addr_add+0x30e/0xa40 [ 4839.051120][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4839.051120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4839.051120][ T10] netlink_rcv_skb+0x130/0x360 [ 4839.051120][ T10] netlink_unicast+0x449/0x710 [ 4839.051120][ T10] netlink_sendmsg+0x723/0xbe0 [ 4839.051120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4839.051120][ T10] ___sys_sendmsg+0xee/0x170 [ 4839.051120][ T10] __sys_sendmsg+0xcd/0x170 [ 4839.051120][ T10] do_syscall_64+0xc6/0x1e0 [ 4839.051120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4839.051120][ T10] [ 4839.053547][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4839.053547][ T10] netdev_get_by_index+0x5e/0x80 [ 4839.053547][ T10] fib6_nh_init+0x3d8/0x1580 [ 4839.053547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4839.053547][ T10] ip6_route_add+0x1c/0x140 [ 4839.053547][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4839.053547][ T10] addrconf_add_dev+0xe2/0x170 [ 4839.053547][ T10] inet6_addr_add+0x12f/0xa40 [ 4839.053547][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4839.053547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4839.053547][ T10] netlink_rcv_skb+0x130/0x360 [ 4839.053547][ T10] netlink_unicast+0x449/0x710 [ 4839.053547][ T10] netlink_sendmsg+0x723/0xbe0 [ 4839.053547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4839.053547][ T10] ___sys_sendmsg+0xee/0x170 [ 4839.053547][ T10] __sys_sendmsg+0xcd/0x170 [ 4839.053547][ T10] do_syscall_64+0xc6/0x1e0 [ 4839.053547][ T10] [ 4839.055971][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4839.055971][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4839.055971][ T10] ipv6_find_idev+0x102/0x170 [ 4839.055971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4839.055971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4839.055971][ T10] netlink_rcv_skb+0x130/0x360 [ 4839.055971][ T10] netlink_unicast+0x449/0x710 [ 4839.055971][ T10] netlink_sendmsg+0x723/0xbe0 [ 4839.055971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4839.055971][ T10] ___sys_sendmsg+0xee/0x170 [ 4839.055971][ T10] __sys_sendmsg+0xcd/0x170 [ 4839.055971][ T10] do_syscall_64+0xc6/0x1e0 [ 4839.055971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4839.055971][ T10] [ 4839.057835][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4839.057835][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4839.057835][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4839.057835][ T10] ipv6_find_idev+0x102/0x170 [ 4839.057835][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4839.057835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4839.057835][ T10] netlink_rcv_skb+0x130/0x360 [ 4839.057835][ T10] netlink_unicast+0x449/0x710 [ 4839.057835][ T10] netlink_sendmsg+0x723/0xbe0 [ 4839.057835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4839.057835][ T10] ___sys_sendmsg+0xee/0x170 [ 4839.057835][ T10] __sys_sendmsg+0xcd/0x170 [ 4839.057835][ T10] do_syscall_64+0xc6/0x1e0 [ 4839.057835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4839.057835][ T10] [ 4843.241109][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4843.241599][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4843.241599][ T1167] dst_init+0x84/0x4a0 [ 4843.241599][ T1167] dst_alloc+0x97/0x150 [ 4843.241599][ T1167] ip6_dst_alloc+0x23/0x90 [ 4843.241599][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4843.241599][ T1167] ip6_pol_route+0x56f/0x840 [ 4843.241599][ T1167] fib6_rule_lookup+0x334/0x630 [ 4843.241599][ T1167] ip6_route_output_flags+0x259/0x480 [ 4843.241599][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4843.241599][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4843.241599][ T1167] netlink_rcv_skb+0x130/0x360 [ 4843.241599][ T1167] netlink_unicast+0x449/0x710 [ 4843.241599][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4843.241599][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4843.241599][ T1167] ___sys_sendmsg+0xee/0x170 [ 4843.241599][ T1167] __sys_sendmsg+0xcd/0x170 [ 4843.241599][ T1167] do_syscall_64+0xc6/0x1e0 [ 4843.241599][ T1167] [ 4843.244074][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4843.244074][ T1167] netdev_get_by_index+0x5e/0x80 [ 4843.244074][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4843.244074][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4843.244074][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4843.244074][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4843.244074][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4843.244074][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4843.244074][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4843.244074][ T1167] addrconf_dad_begin+0x310/0x670 [ 4843.244074][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4843.244074][ T1167] process_one_work+0x84d/0x18a0 [ 4843.244074][ T1167] worker_thread+0x587/0xd30 [ 4843.244074][ T1167] kthread+0x28a/0x350 [ 4843.244074][ T1167] ret_from_fork+0x31/0x70 [ 4843.244074][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4843.244074][ T1167] [ 4843.246424][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4843.246424][ T1167] netdev_get_by_index+0x5e/0x80 [ 4843.246424][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4843.246424][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4843.246424][ T1167] ip6_route_add+0x1c/0x140 [ 4843.246424][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4843.246424][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4843.246424][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4843.246424][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4843.246424][ T1167] netlink_rcv_skb+0x130/0x360 [ 4843.246424][ T1167] netlink_unicast+0x449/0x710 [ 4843.246424][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4843.246424][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4843.246424][ T1167] ___sys_sendmsg+0xee/0x170 [ 4843.246424][ T1167] __sys_sendmsg+0xcd/0x170 [ 4843.246424][ T1167] do_syscall_64+0xc6/0x1e0 [ 4843.246424][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4843.246424][ T1167] [ 4843.248879][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4843.248879][ T1167] netdev_get_by_index+0x5e/0x80 [ 4843.248879][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4843.248879][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4843.248879][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4843.248879][ T1167] ipv6_add_addr+0x411/0x2000 [ 4843.248879][ T1167] inet6_addr_add+0x30e/0xa40 [ 4843.248879][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4843.248879][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4843.248879][ T1167] netlink_rcv_skb+0x130/0x360 [ 4843.248879][ T1167] netlink_unicast+0x449/0x710 [ 4843.248879][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4843.248879][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4843.248879][ T1167] ___sys_sendmsg+0xee/0x170 [ 4843.248879][ T1167] __sys_sendmsg+0xcd/0x170 [ 4843.248879][ T1167] do_syscall_64+0xc6/0x1e0 [ 4843.248879][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4843.248879][ T1167] [ 4843.251330][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4843.251330][ T1167] netdev_get_by_index+0x5e/0x80 [ 4843.251330][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4843.251330][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4843.251330][ T1167] ip6_route_add+0x1c/0x140 [ 4843.251330][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4843.251330][ T1167] addrconf_add_dev+0xe2/0x170 [ 4843.251330][ T1167] inet6_addr_add+0x12f/0xa40 [ 4843.251330][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4843.251330][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4843.251330][ T1167] netlink_rcv_skb+0x130/0x360 [ 4843.251330][ T1167] netlink_unicast+0x449/0x710 [ 4843.251330][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4843.251330][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4843.251330][ T1167] ___sys_sendmsg+0xee/0x170 [ 4843.251330][ T1167] __sys_sendmsg+0xcd/0x170 [ 4843.251330][ T1167] do_syscall_64+0xc6/0x1e0 [ 4843.251330][ T1167] [ 4843.253739][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4843.253739][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4843.253739][ T1167] ipv6_find_idev+0x102/0x170 [ 4843.253739][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4843.253739][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4843.253739][ T1167] netlink_rcv_skb+0x130/0x360 [ 4843.253739][ T1167] netlink_unicast+0x449/0x710 [ 4843.253739][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4843.253739][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4843.253739][ T1167] ___sys_sendmsg+0xee/0x170 [ 4843.253739][ T1167] __sys_sendmsg+0xcd/0x170 [ 4843.253739][ T1167] do_syscall_64+0xc6/0x1e0 [ 4843.253739][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4843.253739][ T1167] [ 4843.255625][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4843.255625][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4843.255625][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4843.255625][ T1167] ipv6_find_idev+0x102/0x170 [ 4843.255625][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4843.255625][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4843.255625][ T1167] netlink_rcv_skb+0x130/0x360 [ 4843.255625][ T1167] netlink_unicast+0x449/0x710 [ 4843.255625][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4843.255625][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4843.255625][ T1167] ___sys_sendmsg+0xee/0x170 [ 4843.255625][ T1167] __sys_sendmsg+0xcd/0x170 [ 4843.255625][ T1167] do_syscall_64+0xc6/0x1e0 [ 4843.255625][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4843.255625][ T1167] [ 4849.297106][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4849.297551][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4849.297551][ T10] netdev_get_by_index+0x5e/0x80 [ 4849.297551][ T10] fib6_nh_init+0x3d8/0x1580 [ 4849.297551][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4849.297551][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4849.297551][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4849.297551][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4849.297551][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4849.297551][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4849.297551][ T10] addrconf_dad_begin+0x310/0x670 [ 4849.297551][ T10] addrconf_dad_work+0x10b/0xab0 [ 4849.297551][ T10] process_one_work+0x84d/0x18a0 [ 4849.297551][ T10] worker_thread+0x587/0xd30 [ 4849.297551][ T10] kthread+0x28a/0x350 [ 4849.297551][ T10] ret_from_fork+0x31/0x70 [ 4849.297551][ T10] ret_from_fork_asm+0x1a/0x30 [ 4849.297551][ T10] [ 4849.299663][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4849.299663][ T10] netdev_get_by_index+0x5e/0x80 [ 4849.299663][ T10] fib6_nh_init+0x3d8/0x1580 [ 4849.299663][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4849.299663][ T10] ip6_route_add+0x1c/0x140 [ 4849.299663][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4849.299663][ T10] inet6_addr_add+0x4f8/0xa40 [ 4849.299663][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4849.299663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.299663][ T10] netlink_rcv_skb+0x130/0x360 [ 4849.299663][ T10] netlink_unicast+0x449/0x710 [ 4849.299663][ T10] netlink_sendmsg+0x723/0xbe0 [ 4849.299663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4849.299663][ T10] ___sys_sendmsg+0xee/0x170 [ 4849.299663][ T10] __sys_sendmsg+0xcd/0x170 [ 4849.299663][ T10] do_syscall_64+0xc6/0x1e0 [ 4849.299663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.299663][ T10] [ 4849.301882][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4849.301882][ T10] netdev_get_by_index+0x5e/0x80 [ 4849.301882][ T10] fib6_nh_init+0x3d8/0x1580 [ 4849.301882][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4849.301882][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4849.301882][ T10] ipv6_add_addr+0x411/0x2000 [ 4849.301882][ T10] inet6_addr_add+0x30e/0xa40 [ 4849.301882][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4849.301882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.301882][ T10] netlink_rcv_skb+0x130/0x360 [ 4849.301882][ T10] netlink_unicast+0x449/0x710 [ 4849.301882][ T10] netlink_sendmsg+0x723/0xbe0 [ 4849.301882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4849.301882][ T10] ___sys_sendmsg+0xee/0x170 [ 4849.301882][ T10] __sys_sendmsg+0xcd/0x170 [ 4849.301882][ T10] do_syscall_64+0xc6/0x1e0 [ 4849.301882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.301882][ T10] [ 4849.304066][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4849.304066][ T10] netdev_get_by_index+0x5e/0x80 [ 4849.304066][ T10] fib6_nh_init+0x3d8/0x1580 [ 4849.304066][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4849.304066][ T10] ip6_route_add+0x1c/0x140 [ 4849.304066][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4849.304066][ T10] addrconf_add_dev+0xe2/0x170 [ 4849.304066][ T10] inet6_addr_add+0x12f/0xa40 [ 4849.304066][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4849.304066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.304066][ T10] netlink_rcv_skb+0x130/0x360 [ 4849.304066][ T10] netlink_unicast+0x449/0x710 [ 4849.304066][ T10] netlink_sendmsg+0x723/0xbe0 [ 4849.304066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4849.304066][ T10] ___sys_sendmsg+0xee/0x170 [ 4849.304066][ T10] __sys_sendmsg+0xcd/0x170 [ 4849.304066][ T10] do_syscall_64+0xc6/0x1e0 [ 4849.304066][ T10] [ 4849.306260][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4849.306260][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4849.306260][ T10] ipv6_find_idev+0x102/0x170 [ 4849.306260][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4849.306260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.306260][ T10] netlink_rcv_skb+0x130/0x360 [ 4849.306260][ T10] netlink_unicast+0x449/0x710 [ 4849.306260][ T10] netlink_sendmsg+0x723/0xbe0 [ 4849.306260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4849.306260][ T10] ___sys_sendmsg+0xee/0x170 [ 4849.306260][ T10] __sys_sendmsg+0xcd/0x170 [ 4849.306260][ T10] do_syscall_64+0xc6/0x1e0 [ 4849.306260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.306260][ T10] [ 4849.307948][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4849.307948][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4849.307948][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4849.307948][ T10] ipv6_find_idev+0x102/0x170 [ 4849.307948][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4849.307948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.307948][ T10] netlink_rcv_skb+0x130/0x360 [ 4849.307948][ T10] netlink_unicast+0x449/0x710 [ 4849.307948][ T10] netlink_sendmsg+0x723/0xbe0 [ 4849.307948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4849.307948][ T10] ___sys_sendmsg+0xee/0x170 [ 4849.307948][ T10] __sys_sendmsg+0xcd/0x170 [ 4849.307948][ T10] do_syscall_64+0xc6/0x1e0 [ 4849.307948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.307948][ T10] [ 4849.309795][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4849.310065][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4849.310065][ T10] netdev_get_by_index+0x5e/0x80 [ 4849.310065][ T10] fib6_nh_init+0x3d8/0x1580 [ 4849.310065][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4849.310065][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4849.310065][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4849.310065][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4849.310065][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4849.310065][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4849.310065][ T10] addrconf_dad_begin+0x310/0x670 [ 4849.310065][ T10] addrconf_dad_work+0x10b/0xab0 [ 4849.310065][ T10] process_one_work+0x84d/0x18a0 [ 4849.310065][ T10] worker_thread+0x587/0xd30 [ 4849.310065][ T10] kthread+0x28a/0x350 [ 4849.310065][ T10] ret_from_fork+0x31/0x70 [ 4849.310065][ T10] ret_from_fork_asm+0x1a/0x30 [ 4849.310065][ T10] [ 4849.312159][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4849.312159][ T10] netdev_get_by_index+0x5e/0x80 [ 4849.312159][ T10] fib6_nh_init+0x3d8/0x1580 [ 4849.312159][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4849.312159][ T10] ip6_route_add+0x1c/0x140 [ 4849.312159][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4849.312159][ T10] inet6_addr_add+0x4f8/0xa40 [ 4849.312159][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4849.312159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.312159][ T10] netlink_rcv_skb+0x130/0x360 [ 4849.312159][ T10] netlink_unicast+0x449/0x710 [ 4849.312159][ T10] netlink_sendmsg+0x723/0xbe0 [ 4849.312159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4849.312159][ T10] ___sys_sendmsg+0xee/0x170 [ 4849.312159][ T10] __sys_sendmsg+0xcd/0x170 [ 4849.312159][ T10] do_syscall_64+0xc6/0x1e0 [ 4849.312159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.312159][ T10] [ 4849.314329][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4849.314329][ T10] netdev_get_by_index+0x5e/0x80 [ 4849.314329][ T10] fib6_nh_init+0x3d8/0x1580 [ 4849.314329][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4849.314329][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4849.314329][ T10] ipv6_add_addr+0x411/0x2000 [ 4849.314329][ T10] inet6_addr_add+0x30e/0xa40 [ 4849.314329][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4849.314329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.314329][ T10] netlink_rcv_skb+0x130/0x360 [ 4849.314329][ T10] netlink_unicast+0x449/0x710 [ 4849.314329][ T10] netlink_sendmsg+0x723/0xbe0 [ 4849.314329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4849.314329][ T10] ___sys_sendmsg+0xee/0x170 [ 4849.314329][ T10] __sys_sendmsg+0xcd/0x170 [ 4849.314329][ T10] do_syscall_64+0xc6/0x1e0 [ 4849.314329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.314329][ T10] [ 4849.316522][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4849.316522][ T10] netdev_get_by_index+0x5e/0x80 [ 4849.316522][ T10] fib6_nh_init+0x3d8/0x1580 [ 4849.316522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4849.316522][ T10] ip6_route_add+0x1c/0x140 [ 4849.316522][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4849.316522][ T10] addrconf_add_dev+0xe2/0x170 [ 4849.316522][ T10] inet6_addr_add+0x12f/0xa40 [ 4849.316522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4849.316522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.316522][ T10] netlink_rcv_skb+0x130/0x360 [ 4849.316522][ T10] netlink_unicast+0x449/0x710 [ 4849.316522][ T10] netlink_sendmsg+0x723/0xbe0 [ 4849.316522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4849.316522][ T10] ___sys_sendmsg+0xee/0x170 [ 4849.316522][ T10] __sys_sendmsg+0xcd/0x170 [ 4849.316522][ T10] do_syscall_64+0xc6/0x1e0 [ 4849.316522][ T10] [ 4849.318680][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4849.318680][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4849.318680][ T10] ipv6_find_idev+0x102/0x170 [ 4849.318680][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4849.318680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.318680][ T10] netlink_rcv_skb+0x130/0x360 [ 4849.318680][ T10] netlink_unicast+0x449/0x710 [ 4849.318680][ T10] netlink_sendmsg+0x723/0xbe0 [ 4849.318680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4849.318680][ T10] ___sys_sendmsg+0xee/0x170 [ 4849.318680][ T10] __sys_sendmsg+0xcd/0x170 [ 4849.318680][ T10] do_syscall_64+0xc6/0x1e0 [ 4849.318680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.318680][ T10] [ 4849.320348][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4849.320348][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4849.320348][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4849.320348][ T10] ipv6_find_idev+0x102/0x170 [ 4849.320348][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4849.320348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.320348][ T10] netlink_rcv_skb+0x130/0x360 [ 4849.320348][ T10] netlink_unicast+0x449/0x710 [ 4849.320348][ T10] netlink_sendmsg+0x723/0xbe0 [ 4849.320348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4849.320348][ T10] ___sys_sendmsg+0xee/0x170 [ 4849.320348][ T10] __sys_sendmsg+0xcd/0x170 [ 4849.320348][ T10] do_syscall_64+0xc6/0x1e0 [ 4849.320348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.320348][ T10] [ 4849.322188][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4849.322446][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4849.322446][ T10] netdev_get_by_index+0x5e/0x80 [ 4849.322446][ T10] fib6_nh_init+0x3d8/0x1580 [ 4849.322446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4849.322446][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4849.322446][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4849.322446][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4849.322446][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4849.322446][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4849.322446][ T10] addrconf_dad_begin+0x310/0x670 [ 4849.322446][ T10] addrconf_dad_work+0x10b/0xab0 [ 4849.322446][ T10] process_one_work+0x84d/0x18a0 [ 4849.322446][ T10] worker_thread+0x587/0xd30 [ 4849.322446][ T10] kthread+0x28a/0x350 [ 4849.322446][ T10] ret_from_fork+0x31/0x70 [ 4849.322446][ T10] ret_from_fork_asm+0x1a/0x30 [ 4849.322446][ T10] [ 4849.324530][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4849.324530][ T10] netdev_get_by_index+0x5e/0x80 [ 4849.324530][ T10] fib6_nh_init+0x3d8/0x1580 [ 4849.324530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4849.324530][ T10] ip6_route_add+0x1c/0x140 [ 4849.324530][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4849.324530][ T10] inet6_addr_add+0x4f8/0xa40 [ 4849.324530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4849.324530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.324530][ T10] netlink_rcv_skb+0x130/0x360 [ 4849.324530][ T10] netlink_unicast+0x449/0x710 [ 4849.324530][ T10] netlink_sendmsg+0x723/0xbe0 [ 4849.324530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4849.324530][ T10] ___sys_sendmsg+0xee/0x170 [ 4849.324530][ T10] __sys_sendmsg+0xcd/0x170 [ 4849.324530][ T10] do_syscall_64+0xc6/0x1e0 [ 4849.324530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.324530][ T10] [ 4849.326911][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4849.326911][ T10] netdev_get_by_index+0x5e/0x80 [ 4849.326911][ T10] fib6_nh_init+0x3d8/0x1580 [ 4849.326911][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4849.326911][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4849.326911][ T10] ipv6_add_addr+0x411/0x2000 [ 4849.326911][ T10] inet6_addr_add+0x30e/0xa40 [ 4849.326911][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4849.326911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.326911][ T10] netlink_rcv_skb+0x130/0x360 [ 4849.326911][ T10] netlink_unicast+0x449/0x710 [ 4849.326911][ T10] netlink_sendmsg+0x723/0xbe0 [ 4849.326911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4849.326911][ T10] ___sys_sendmsg+0xee/0x170 [ 4849.326911][ T10] __sys_sendmsg+0xcd/0x170 [ 4849.326911][ T10] do_syscall_64+0xc6/0x1e0 [ 4849.326911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.326911][ T10] [ 4849.329394][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4849.329394][ T10] netdev_get_by_index+0x5e/0x80 [ 4849.329394][ T10] fib6_nh_init+0x3d8/0x1580 [ 4849.329394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4849.329394][ T10] ip6_route_add+0x1c/0x140 [ 4849.329394][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4849.329394][ T10] addrconf_add_dev+0xe2/0x170 [ 4849.329394][ T10] inet6_addr_add+0x12f/0xa40 [ 4849.329394][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4849.329394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.329394][ T10] netlink_rcv_skb+0x130/0x360 [ 4849.329394][ T10] netlink_unicast+0x449/0x710 [ 4849.329394][ T10] netlink_sendmsg+0x723/0xbe0 [ 4849.329394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4849.329394][ T10] ___sys_sendmsg+0xee/0x170 [ 4849.329394][ T10] __sys_sendmsg+0xcd/0x170 [ 4849.329394][ T10] do_syscall_64+0xc6/0x1e0 [ 4849.329394][ T10] [ 4849.331714][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4849.331714][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4849.331714][ T10] ipv6_find_idev+0x102/0x170 [ 4849.331714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4849.331714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.331714][ T10] netlink_rcv_skb+0x130/0x360 [ 4849.331714][ T10] netlink_unicast+0x449/0x710 [ 4849.331714][ T10] netlink_sendmsg+0x723/0xbe0 [ 4849.331714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4849.331714][ T10] ___sys_sendmsg+0xee/0x170 [ 4849.331714][ T10] __sys_sendmsg+0xcd/0x170 [ 4849.331714][ T10] do_syscall_64+0xc6/0x1e0 [ 4849.331714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.331714][ T10] [ 4849.333582][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4849.333582][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4849.333582][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4849.333582][ T10] ipv6_find_idev+0x102/0x170 [ 4849.333582][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4849.333582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.333582][ T10] netlink_rcv_skb+0x130/0x360 [ 4849.333582][ T10] netlink_unicast+0x449/0x710 [ 4849.333582][ T10] netlink_sendmsg+0x723/0xbe0 [ 4849.333582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4849.333582][ T10] ___sys_sendmsg+0xee/0x170 [ 4849.333582][ T10] __sys_sendmsg+0xcd/0x170 [ 4849.333582][ T10] do_syscall_64+0xc6/0x1e0 [ 4849.333582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.333582][ T10] [ 4849.336174][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4849.336442][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4849.336442][ T10] netdev_get_by_index+0x5e/0x80 [ 4849.336442][ T10] fib6_nh_init+0x3d8/0x1580 [ 4849.336442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4849.336442][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4849.336442][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4849.336442][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4849.336442][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4849.336442][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4849.336442][ T10] addrconf_dad_begin+0x310/0x670 [ 4849.336442][ T10] addrconf_dad_work+0x10b/0xab0 [ 4849.336442][ T10] process_one_work+0x84d/0x18a0 [ 4849.336442][ T10] worker_thread+0x587/0xd30 [ 4849.336442][ T10] kthread+0x28a/0x350 [ 4849.336442][ T10] ret_from_fork+0x31/0x70 [ 4849.336442][ T10] ret_from_fork_asm+0x1a/0x30 [ 4849.336442][ T10] [ 4849.338822][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4849.338822][ T10] netdev_get_by_index+0x5e/0x80 [ 4849.338822][ T10] fib6_nh_init+0x3d8/0x1580 [ 4849.338822][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4849.338822][ T10] ip6_route_add+0x1c/0x140 [ 4849.338822][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4849.338822][ T10] inet6_addr_add+0x4f8/0xa40 [ 4849.338822][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4849.338822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.338822][ T10] netlink_rcv_skb+0x130/0x360 [ 4849.338822][ T10] netlink_unicast+0x449/0x710 [ 4849.338822][ T10] netlink_sendmsg+0x723/0xbe0 [ 4849.338822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4849.338822][ T10] ___sys_sendmsg+0xee/0x170 [ 4849.338822][ T10] __sys_sendmsg+0xcd/0x170 [ 4849.338822][ T10] do_syscall_64+0xc6/0x1e0 [ 4849.338822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.338822][ T10] [ 4849.341177][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4849.341177][ T10] netdev_get_by_index+0x5e/0x80 [ 4849.341177][ T10] fib6_nh_init+0x3d8/0x1580 [ 4849.341177][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4849.341177][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4849.341177][ T10] ipv6_add_addr+0x411/0x2000 [ 4849.341177][ T10] inet6_addr_add+0x30e/0xa40 [ 4849.341177][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4849.341177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.341177][ T10] netlink_rcv_skb+0x130/0x360 [ 4849.341177][ T10] netlink_unicast+0x449/0x710 [ 4849.341177][ T10] netlink_sendmsg+0x723/0xbe0 [ 4849.341177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4849.341177][ T10] ___sys_sendmsg+0xee/0x170 [ 4849.341177][ T10] __sys_sendmsg+0xcd/0x170 [ 4849.341177][ T10] do_syscall_64+0xc6/0x1e0 [ 4849.341177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.341177][ T10] [ 4849.343588][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4849.343588][ T10] netdev_get_by_index+0x5e/0x80 [ 4849.343588][ T10] fib6_nh_init+0x3d8/0x1580 [ 4849.343588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4849.343588][ T10] ip6_route_add+0x1c/0x140 [ 4849.343588][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4849.343588][ T10] addrconf_add_dev+0xe2/0x170 [ 4849.343588][ T10] inet6_addr_add+0x12f/0xa40 [ 4849.343588][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4849.343588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.343588][ T10] netlink_rcv_skb+0x130/0x360 [ 4849.343588][ T10] netlink_unicast+0x449/0x710 [ 4849.343588][ T10] netlink_sendmsg+0x723/0xbe0 [ 4849.343588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4849.343588][ T10] ___sys_sendmsg+0xee/0x170 [ 4849.343588][ T10] __sys_sendmsg+0xcd/0x170 [ 4849.343588][ T10] do_syscall_64+0xc6/0x1e0 [ 4849.343588][ T10] [ 4849.346378][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4849.346378][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4849.346378][ T10] ipv6_find_idev+0x102/0x170 [ 4849.346378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4849.346378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.346378][ T10] netlink_rcv_skb+0x130/0x360 [ 4849.346378][ T10] netlink_unicast+0x449/0x710 [ 4849.346378][ T10] netlink_sendmsg+0x723/0xbe0 [ 4849.346378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4849.346378][ T10] ___sys_sendmsg+0xee/0x170 [ 4849.346378][ T10] __sys_sendmsg+0xcd/0x170 [ 4849.346378][ T10] do_syscall_64+0xc6/0x1e0 [ 4849.346378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.346378][ T10] [ 4849.348183][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4849.348183][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4849.348183][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4849.348183][ T10] ipv6_find_idev+0x102/0x170 [ 4849.348183][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4849.348183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.348183][ T10] netlink_rcv_skb+0x130/0x360 [ 4849.348183][ T10] netlink_unicast+0x449/0x710 [ 4849.348183][ T10] netlink_sendmsg+0x723/0xbe0 [ 4849.348183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4849.348183][ T10] ___sys_sendmsg+0xee/0x170 [ 4849.348183][ T10] __sys_sendmsg+0xcd/0x170 [ 4849.348183][ T10] do_syscall_64+0xc6/0x1e0 [ 4849.348183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.348183][ T10] [ 4853.505111][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4853.505605][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4853.505605][ T1167] dst_init+0x84/0x4a0 [ 4853.505605][ T1167] dst_alloc+0x97/0x150 [ 4853.505605][ T1167] ip6_dst_alloc+0x23/0x90 [ 4853.505605][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4853.505605][ T1167] ip6_pol_route+0x56f/0x840 [ 4853.505605][ T1167] fib6_rule_lookup+0x334/0x630 [ 4853.505605][ T1167] ip6_route_output_flags+0x259/0x480 [ 4853.505605][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4853.505605][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4853.505605][ T1167] netlink_rcv_skb+0x130/0x360 [ 4853.505605][ T1167] netlink_unicast+0x449/0x710 [ 4853.505605][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4853.505605][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4853.505605][ T1167] ___sys_sendmsg+0xee/0x170 [ 4853.505605][ T1167] __sys_sendmsg+0xcd/0x170 [ 4853.505605][ T1167] do_syscall_64+0xc6/0x1e0 [ 4853.505605][ T1167] [ 4853.510549][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4853.510549][ T1167] netdev_get_by_index+0x5e/0x80 [ 4853.510549][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4853.510549][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4853.510549][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4853.510549][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4853.510549][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4853.510549][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4853.510549][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4853.510549][ T1167] addrconf_dad_begin+0x310/0x670 [ 4853.510549][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4853.510549][ T1167] process_one_work+0x84d/0x18a0 [ 4853.510549][ T1167] worker_thread+0x587/0xd30 [ 4853.510549][ T1167] kthread+0x28a/0x350 [ 4853.510549][ T1167] ret_from_fork+0x31/0x70 [ 4853.510549][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4853.510549][ T1167] [ 4853.512895][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4853.512895][ T1167] netdev_get_by_index+0x5e/0x80 [ 4853.512895][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4853.512895][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4853.512895][ T1167] ip6_route_add+0x1c/0x140 [ 4853.512895][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4853.512895][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4853.512895][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4853.512895][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4853.512895][ T1167] netlink_rcv_skb+0x130/0x360 [ 4853.512895][ T1167] netlink_unicast+0x449/0x710 [ 4853.512895][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4853.512895][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4853.512895][ T1167] ___sys_sendmsg+0xee/0x170 [ 4853.512895][ T1167] __sys_sendmsg+0xcd/0x170 [ 4853.512895][ T1167] do_syscall_64+0xc6/0x1e0 [ 4853.512895][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4853.512895][ T1167] [ 4853.515349][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4853.515349][ T1167] netdev_get_by_index+0x5e/0x80 [ 4853.515349][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4853.515349][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4853.515349][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4853.515349][ T1167] ipv6_add_addr+0x411/0x2000 [ 4853.515349][ T1167] inet6_addr_add+0x30e/0xa40 [ 4853.515349][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4853.515349][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4853.515349][ T1167] netlink_rcv_skb+0x130/0x360 [ 4853.515349][ T1167] netlink_unicast+0x449/0x710 [ 4853.515349][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4853.515349][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4853.515349][ T1167] ___sys_sendmsg+0xee/0x170 [ 4853.515349][ T1167] __sys_sendmsg+0xcd/0x170 [ 4853.515349][ T1167] do_syscall_64+0xc6/0x1e0 [ 4853.515349][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4853.515349][ T1167] [ 4853.517780][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4853.517780][ T1167] netdev_get_by_index+0x5e/0x80 [ 4853.517780][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4853.517780][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4853.517780][ T1167] ip6_route_add+0x1c/0x140 [ 4853.517780][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4853.517780][ T1167] addrconf_add_dev+0xe2/0x170 [ 4853.517780][ T1167] inet6_addr_add+0x12f/0xa40 [ 4853.517780][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4853.517780][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4853.517780][ T1167] netlink_rcv_skb+0x130/0x360 [ 4853.517780][ T1167] netlink_unicast+0x449/0x710 [ 4853.517780][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4853.517780][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4853.517780][ T1167] ___sys_sendmsg+0xee/0x170 [ 4853.517780][ T1167] __sys_sendmsg+0xcd/0x170 [ 4853.517780][ T1167] do_syscall_64+0xc6/0x1e0 [ 4853.517780][ T1167] [ 4853.520168][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4853.520168][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4853.520168][ T1167] ipv6_find_idev+0x102/0x170 [ 4853.520168][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4853.520168][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4853.520168][ T1167] netlink_rcv_skb+0x130/0x360 [ 4853.520168][ T1167] netlink_unicast+0x449/0x710 [ 4853.520168][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4853.520168][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4853.520168][ T1167] ___sys_sendmsg+0xee/0x170 [ 4853.520168][ T1167] __sys_sendmsg+0xcd/0x170 [ 4853.520168][ T1167] do_syscall_64+0xc6/0x1e0 [ 4853.520168][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4853.520168][ T1167] [ 4853.522039][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4853.522039][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4853.522039][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4853.522039][ T1167] ipv6_find_idev+0x102/0x170 [ 4853.522039][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4853.522039][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4853.522039][ T1167] netlink_rcv_skb+0x130/0x360 [ 4853.522039][ T1167] netlink_unicast+0x449/0x710 [ 4853.522039][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4853.522039][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4853.522039][ T1167] ___sys_sendmsg+0xee/0x170 [ 4853.522039][ T1167] __sys_sendmsg+0xcd/0x170 [ 4853.522039][ T1167] do_syscall_64+0xc6/0x1e0 [ 4853.522039][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4853.522039][ T1167] [ 4859.593123][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4859.593511][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4859.593511][ T10] netdev_get_by_index+0x5e/0x80 [ 4859.593511][ T10] fib6_nh_init+0x3d8/0x1580 [ 4859.593511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4859.593511][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4859.593511][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4859.593511][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4859.593511][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4859.593511][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4859.593511][ T10] addrconf_dad_begin+0x310/0x670 [ 4859.593511][ T10] addrconf_dad_work+0x10b/0xab0 [ 4859.593511][ T10] process_one_work+0x84d/0x18a0 [ 4859.593511][ T10] worker_thread+0x587/0xd30 [ 4859.593511][ T10] kthread+0x28a/0x350 [ 4859.593511][ T10] ret_from_fork+0x31/0x70 [ 4859.593511][ T10] ret_from_fork_asm+0x1a/0x30 [ 4859.593511][ T10] [ 4859.595677][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4859.595677][ T10] netdev_get_by_index+0x5e/0x80 [ 4859.595677][ T10] fib6_nh_init+0x3d8/0x1580 [ 4859.595677][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4859.595677][ T10] ip6_route_add+0x1c/0x140 [ 4859.595677][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4859.595677][ T10] inet6_addr_add+0x4f8/0xa40 [ 4859.595677][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4859.595677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.595677][ T10] netlink_rcv_skb+0x130/0x360 [ 4859.595677][ T10] netlink_unicast+0x449/0x710 [ 4859.595677][ T10] netlink_sendmsg+0x723/0xbe0 [ 4859.595677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4859.595677][ T10] ___sys_sendmsg+0xee/0x170 [ 4859.595677][ T10] __sys_sendmsg+0xcd/0x170 [ 4859.595677][ T10] do_syscall_64+0xc6/0x1e0 [ 4859.595677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.595677][ T10] [ 4859.597890][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4859.597890][ T10] netdev_get_by_index+0x5e/0x80 [ 4859.597890][ T10] fib6_nh_init+0x3d8/0x1580 [ 4859.597890][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4859.597890][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4859.597890][ T10] ipv6_add_addr+0x411/0x2000 [ 4859.597890][ T10] inet6_addr_add+0x30e/0xa40 [ 4859.597890][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4859.597890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.597890][ T10] netlink_rcv_skb+0x130/0x360 [ 4859.597890][ T10] netlink_unicast+0x449/0x710 [ 4859.597890][ T10] netlink_sendmsg+0x723/0xbe0 [ 4859.597890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4859.597890][ T10] ___sys_sendmsg+0xee/0x170 [ 4859.597890][ T10] __sys_sendmsg+0xcd/0x170 [ 4859.597890][ T10] do_syscall_64+0xc6/0x1e0 [ 4859.597890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.597890][ T10] [ 4859.600095][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4859.600095][ T10] netdev_get_by_index+0x5e/0x80 [ 4859.600095][ T10] fib6_nh_init+0x3d8/0x1580 [ 4859.600095][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4859.600095][ T10] ip6_route_add+0x1c/0x140 [ 4859.600095][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4859.600095][ T10] addrconf_add_dev+0xe2/0x170 [ 4859.600095][ T10] inet6_addr_add+0x12f/0xa40 [ 4859.600095][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4859.600095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.600095][ T10] netlink_rcv_skb+0x130/0x360 [ 4859.600095][ T10] netlink_unicast+0x449/0x710 [ 4859.600095][ T10] netlink_sendmsg+0x723/0xbe0 [ 4859.600095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4859.600095][ T10] ___sys_sendmsg+0xee/0x170 [ 4859.600095][ T10] __sys_sendmsg+0xcd/0x170 [ 4859.600095][ T10] do_syscall_64+0xc6/0x1e0 [ 4859.600095][ T10] [ 4859.602264][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4859.602264][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4859.602264][ T10] ipv6_find_idev+0x102/0x170 [ 4859.602264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4859.602264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.602264][ T10] netlink_rcv_skb+0x130/0x360 [ 4859.602264][ T10] netlink_unicast+0x449/0x710 [ 4859.602264][ T10] netlink_sendmsg+0x723/0xbe0 [ 4859.602264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4859.602264][ T10] ___sys_sendmsg+0xee/0x170 [ 4859.602264][ T10] __sys_sendmsg+0xcd/0x170 [ 4859.602264][ T10] do_syscall_64+0xc6/0x1e0 [ 4859.602264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.602264][ T10] [ 4859.603968][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4859.603968][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4859.603968][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4859.603968][ T10] ipv6_find_idev+0x102/0x170 [ 4859.603968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4859.603968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.603968][ T10] netlink_rcv_skb+0x130/0x360 [ 4859.603968][ T10] netlink_unicast+0x449/0x710 [ 4859.603968][ T10] netlink_sendmsg+0x723/0xbe0 [ 4859.603968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4859.603968][ T10] ___sys_sendmsg+0xee/0x170 [ 4859.603968][ T10] __sys_sendmsg+0xcd/0x170 [ 4859.603968][ T10] do_syscall_64+0xc6/0x1e0 [ 4859.603968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.603968][ T10] [ 4859.605872][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4859.606174][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4859.606174][ T10] netdev_get_by_index+0x5e/0x80 [ 4859.606174][ T10] fib6_nh_init+0x3d8/0x1580 [ 4859.606174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4859.606174][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4859.606174][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4859.606174][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4859.606174][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4859.606174][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4859.606174][ T10] addrconf_dad_begin+0x310/0x670 [ 4859.606174][ T10] addrconf_dad_work+0x10b/0xab0 [ 4859.606174][ T10] process_one_work+0x84d/0x18a0 [ 4859.606174][ T10] worker_thread+0x587/0xd30 [ 4859.606174][ T10] kthread+0x28a/0x350 [ 4859.606174][ T10] ret_from_fork+0x31/0x70 [ 4859.606174][ T10] ret_from_fork_asm+0x1a/0x30 [ 4859.606174][ T10] [ 4859.608309][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4859.608309][ T10] netdev_get_by_index+0x5e/0x80 [ 4859.608309][ T10] fib6_nh_init+0x3d8/0x1580 [ 4859.608309][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4859.608309][ T10] ip6_route_add+0x1c/0x140 [ 4859.608309][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4859.608309][ T10] inet6_addr_add+0x4f8/0xa40 [ 4859.608309][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4859.608309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.608309][ T10] netlink_rcv_skb+0x130/0x360 [ 4859.608309][ T10] netlink_unicast+0x449/0x710 [ 4859.608309][ T10] netlink_sendmsg+0x723/0xbe0 [ 4859.608309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4859.608309][ T10] ___sys_sendmsg+0xee/0x170 [ 4859.608309][ T10] __sys_sendmsg+0xcd/0x170 [ 4859.608309][ T10] do_syscall_64+0xc6/0x1e0 [ 4859.608309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.608309][ T10] [ 4859.610515][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4859.610515][ T10] netdev_get_by_index+0x5e/0x80 [ 4859.610515][ T10] fib6_nh_init+0x3d8/0x1580 [ 4859.610515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4859.610515][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4859.610515][ T10] ipv6_add_addr+0x411/0x2000 [ 4859.610515][ T10] inet6_addr_add+0x30e/0xa40 [ 4859.610515][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4859.610515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.610515][ T10] netlink_rcv_skb+0x130/0x360 [ 4859.610515][ T10] netlink_unicast+0x449/0x710 [ 4859.610515][ T10] netlink_sendmsg+0x723/0xbe0 [ 4859.610515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4859.610515][ T10] ___sys_sendmsg+0xee/0x170 [ 4859.610515][ T10] __sys_sendmsg+0xcd/0x170 [ 4859.610515][ T10] do_syscall_64+0xc6/0x1e0 [ 4859.610515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.610515][ T10] [ 4859.612716][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4859.612716][ T10] netdev_get_by_index+0x5e/0x80 [ 4859.612716][ T10] fib6_nh_init+0x3d8/0x1580 [ 4859.612716][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4859.612716][ T10] ip6_route_add+0x1c/0x140 [ 4859.612716][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4859.612716][ T10] addrconf_add_dev+0xe2/0x170 [ 4859.612716][ T10] inet6_addr_add+0x12f/0xa40 [ 4859.612716][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4859.612716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.612716][ T10] netlink_rcv_skb+0x130/0x360 [ 4859.612716][ T10] netlink_unicast+0x449/0x710 [ 4859.612716][ T10] netlink_sendmsg+0x723/0xbe0 [ 4859.612716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4859.612716][ T10] ___sys_sendmsg+0xee/0x170 [ 4859.612716][ T10] __sys_sendmsg+0xcd/0x170 [ 4859.612716][ T10] do_syscall_64+0xc6/0x1e0 [ 4859.612716][ T10] [ 4859.614888][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4859.614888][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4859.614888][ T10] ipv6_find_idev+0x102/0x170 [ 4859.614888][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4859.614888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.614888][ T10] netlink_rcv_skb+0x130/0x360 [ 4859.614888][ T10] netlink_unicast+0x449/0x710 [ 4859.614888][ T10] netlink_sendmsg+0x723/0xbe0 [ 4859.614888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4859.614888][ T10] ___sys_sendmsg+0xee/0x170 [ 4859.614888][ T10] __sys_sendmsg+0xcd/0x170 [ 4859.614888][ T10] do_syscall_64+0xc6/0x1e0 [ 4859.614888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.614888][ T10] [ 4859.616610][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4859.616610][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4859.616610][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4859.616610][ T10] ipv6_find_idev+0x102/0x170 [ 4859.616610][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4859.616610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.616610][ T10] netlink_rcv_skb+0x130/0x360 [ 4859.616610][ T10] netlink_unicast+0x449/0x710 [ 4859.616610][ T10] netlink_sendmsg+0x723/0xbe0 [ 4859.616610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4859.616610][ T10] ___sys_sendmsg+0xee/0x170 [ 4859.616610][ T10] __sys_sendmsg+0xcd/0x170 [ 4859.616610][ T10] do_syscall_64+0xc6/0x1e0 [ 4859.616610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.616610][ T10] [ 4859.618477][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4859.618731][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4859.618731][ T10] netdev_get_by_index+0x5e/0x80 [ 4859.618731][ T10] fib6_nh_init+0x3d8/0x1580 [ 4859.618731][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4859.618731][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4859.618731][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4859.618731][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4859.618731][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4859.618731][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4859.618731][ T10] addrconf_dad_begin+0x310/0x670 [ 4859.618731][ T10] addrconf_dad_work+0x10b/0xab0 [ 4859.618731][ T10] process_one_work+0x84d/0x18a0 [ 4859.618731][ T10] worker_thread+0x587/0xd30 [ 4859.618731][ T10] kthread+0x28a/0x350 [ 4859.618731][ T10] ret_from_fork+0x31/0x70 [ 4859.618731][ T10] ret_from_fork_asm+0x1a/0x30 [ 4859.618731][ T10] [ 4859.620870][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4859.620870][ T10] netdev_get_by_index+0x5e/0x80 [ 4859.620870][ T10] fib6_nh_init+0x3d8/0x1580 [ 4859.620870][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4859.620870][ T10] ip6_route_add+0x1c/0x140 [ 4859.620870][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4859.620870][ T10] inet6_addr_add+0x4f8/0xa40 [ 4859.620870][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4859.620870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.620870][ T10] netlink_rcv_skb+0x130/0x360 [ 4859.620870][ T10] netlink_unicast+0x449/0x710 [ 4859.620870][ T10] netlink_sendmsg+0x723/0xbe0 [ 4859.620870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4859.620870][ T10] ___sys_sendmsg+0xee/0x170 [ 4859.620870][ T10] __sys_sendmsg+0xcd/0x170 [ 4859.620870][ T10] do_syscall_64+0xc6/0x1e0 [ 4859.620870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.620870][ T10] [ 4859.623231][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4859.623231][ T10] netdev_get_by_index+0x5e/0x80 [ 4859.623231][ T10] fib6_nh_init+0x3d8/0x1580 [ 4859.623231][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4859.623231][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4859.623231][ T10] ipv6_add_addr+0x411/0x2000 [ 4859.623231][ T10] inet6_addr_add+0x30e/0xa40 [ 4859.623231][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4859.623231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.623231][ T10] netlink_rcv_skb+0x130/0x360 [ 4859.623231][ T10] netlink_unicast+0x449/0x710 [ 4859.623231][ T10] netlink_sendmsg+0x723/0xbe0 [ 4859.623231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4859.623231][ T10] ___sys_sendmsg+0xee/0x170 [ 4859.623231][ T10] __sys_sendmsg+0xcd/0x170 [ 4859.623231][ T10] do_syscall_64+0xc6/0x1e0 [ 4859.623231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.623231][ T10] [ 4859.625607][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4859.625607][ T10] netdev_get_by_index+0x5e/0x80 [ 4859.625607][ T10] fib6_nh_init+0x3d8/0x1580 [ 4859.625607][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4859.625607][ T10] ip6_route_add+0x1c/0x140 [ 4859.625607][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4859.625607][ T10] addrconf_add_dev+0xe2/0x170 [ 4859.625607][ T10] inet6_addr_add+0x12f/0xa40 [ 4859.625607][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4859.625607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.625607][ T10] netlink_rcv_skb+0x130/0x360 [ 4859.625607][ T10] netlink_unicast+0x449/0x710 [ 4859.625607][ T10] netlink_sendmsg+0x723/0xbe0 [ 4859.625607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4859.625607][ T10] ___sys_sendmsg+0xee/0x170 [ 4859.625607][ T10] __sys_sendmsg+0xcd/0x170 [ 4859.625607][ T10] do_syscall_64+0xc6/0x1e0 [ 4859.625607][ T10] [ 4859.627913][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4859.627913][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4859.627913][ T10] ipv6_find_idev+0x102/0x170 [ 4859.627913][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4859.627913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.627913][ T10] netlink_rcv_skb+0x130/0x360 [ 4859.627913][ T10] netlink_unicast+0x449/0x710 [ 4859.627913][ T10] netlink_sendmsg+0x723/0xbe0 [ 4859.627913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4859.627913][ T10] ___sys_sendmsg+0xee/0x170 [ 4859.627913][ T10] __sys_sendmsg+0xcd/0x170 [ 4859.627913][ T10] do_syscall_64+0xc6/0x1e0 [ 4859.627913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.627913][ T10] [ 4859.629755][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4859.629755][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4859.629755][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4859.629755][ T10] ipv6_find_idev+0x102/0x170 [ 4859.629755][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4859.629755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.629755][ T10] netlink_rcv_skb+0x130/0x360 [ 4859.629755][ T10] netlink_unicast+0x449/0x710 [ 4859.629755][ T10] netlink_sendmsg+0x723/0xbe0 [ 4859.629755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4859.629755][ T10] ___sys_sendmsg+0xee/0x170 [ 4859.629755][ T10] __sys_sendmsg+0xcd/0x170 [ 4859.629755][ T10] do_syscall_64+0xc6/0x1e0 [ 4859.629755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.629755][ T10] [ 4859.631691][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4859.631941][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4859.631941][ T10] netdev_get_by_index+0x5e/0x80 [ 4859.631941][ T10] fib6_nh_init+0x3d8/0x1580 [ 4859.631941][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4859.631941][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4859.631941][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4859.631941][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4859.631941][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4859.631941][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4859.631941][ T10] addrconf_dad_begin+0x310/0x670 [ 4859.631941][ T10] addrconf_dad_work+0x10b/0xab0 [ 4859.631941][ T10] process_one_work+0x84d/0x18a0 [ 4859.631941][ T10] worker_thread+0x587/0xd30 [ 4859.631941][ T10] kthread+0x28a/0x350 [ 4859.631941][ T10] ret_from_fork+0x31/0x70 [ 4859.631941][ T10] ret_from_fork_asm+0x1a/0x30 [ 4859.631941][ T10] [ 4859.634214][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4859.634214][ T10] netdev_get_by_index+0x5e/0x80 [ 4859.634214][ T10] fib6_nh_init+0x3d8/0x1580 [ 4859.634214][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4859.634214][ T10] ip6_route_add+0x1c/0x140 [ 4859.634214][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4859.634214][ T10] inet6_addr_add+0x4f8/0xa40 [ 4859.634214][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4859.634214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.634214][ T10] netlink_rcv_skb+0x130/0x360 [ 4859.634214][ T10] netlink_unicast+0x449/0x710 [ 4859.634214][ T10] netlink_sendmsg+0x723/0xbe0 [ 4859.634214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4859.634214][ T10] ___sys_sendmsg+0xee/0x170 [ 4859.634214][ T10] __sys_sendmsg+0xcd/0x170 [ 4859.634214][ T10] do_syscall_64+0xc6/0x1e0 [ 4859.634214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.634214][ T10] [ 4859.636590][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4859.636590][ T10] netdev_get_by_index+0x5e/0x80 [ 4859.636590][ T10] fib6_nh_init+0x3d8/0x1580 [ 4859.636590][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4859.636590][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4859.636590][ T10] ipv6_add_addr+0x411/0x2000 [ 4859.636590][ T10] inet6_addr_add+0x30e/0xa40 [ 4859.636590][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4859.636590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.636590][ T10] netlink_rcv_skb+0x130/0x360 [ 4859.636590][ T10] netlink_unicast+0x449/0x710 [ 4859.636590][ T10] netlink_sendmsg+0x723/0xbe0 [ 4859.636590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4859.636590][ T10] ___sys_sendmsg+0xee/0x170 [ 4859.636590][ T10] __sys_sendmsg+0xcd/0x170 [ 4859.636590][ T10] do_syscall_64+0xc6/0x1e0 [ 4859.636590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.636590][ T10] [ 4859.638959][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4859.638959][ T10] netdev_get_by_index+0x5e/0x80 [ 4859.638959][ T10] fib6_nh_init+0x3d8/0x1580 [ 4859.638959][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4859.638959][ T10] ip6_route_add+0x1c/0x140 [ 4859.638959][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4859.638959][ T10] addrconf_add_dev+0xe2/0x170 [ 4859.638959][ T10] inet6_addr_add+0x12f/0xa40 [ 4859.638959][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4859.638959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.638959][ T10] netlink_rcv_skb+0x130/0x360 [ 4859.638959][ T10] netlink_unicast+0x449/0x710 [ 4859.638959][ T10] netlink_sendmsg+0x723/0xbe0 [ 4859.638959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4859.638959][ T10] ___sys_sendmsg+0xee/0x170 [ 4859.638959][ T10] __sys_sendmsg+0xcd/0x170 [ 4859.638959][ T10] do_syscall_64+0xc6/0x1e0 [ 4859.638959][ T10] [ 4859.641266][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4859.641266][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4859.641266][ T10] ipv6_find_idev+0x102/0x170 [ 4859.641266][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4859.641266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.641266][ T10] netlink_rcv_skb+0x130/0x360 [ 4859.641266][ T10] netlink_unicast+0x449/0x710 [ 4859.641266][ T10] netlink_sendmsg+0x723/0xbe0 [ 4859.641266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4859.641266][ T10] ___sys_sendmsg+0xee/0x170 [ 4859.641266][ T10] __sys_sendmsg+0xcd/0x170 [ 4859.641266][ T10] do_syscall_64+0xc6/0x1e0 [ 4859.641266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.641266][ T10] [ 4859.643048][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4859.643048][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4859.643048][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4859.643048][ T10] ipv6_find_idev+0x102/0x170 [ 4859.643048][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4859.643048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.643048][ T10] netlink_rcv_skb+0x130/0x360 [ 4859.643048][ T10] netlink_unicast+0x449/0x710 [ 4859.643048][ T10] netlink_sendmsg+0x723/0xbe0 [ 4859.643048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4859.643048][ T10] ___sys_sendmsg+0xee/0x170 [ 4859.643048][ T10] __sys_sendmsg+0xcd/0x170 [ 4859.643048][ T10] do_syscall_64+0xc6/0x1e0 [ 4859.643048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.643048][ T10] [ 4863.649111][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4863.649624][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4863.649624][ T1167] dst_init+0x84/0x4a0 [ 4863.649624][ T1167] dst_alloc+0x97/0x150 [ 4863.649624][ T1167] ip6_dst_alloc+0x23/0x90 [ 4863.649624][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4863.649624][ T1167] ip6_pol_route+0x56f/0x840 [ 4863.649624][ T1167] fib6_rule_lookup+0x334/0x630 [ 4863.649624][ T1167] ip6_route_output_flags+0x259/0x480 [ 4863.649624][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4863.649624][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4863.649624][ T1167] netlink_rcv_skb+0x130/0x360 [ 4863.649624][ T1167] netlink_unicast+0x449/0x710 [ 4863.649624][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4863.649624][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4863.649624][ T1167] ___sys_sendmsg+0xee/0x170 [ 4863.649624][ T1167] __sys_sendmsg+0xcd/0x170 [ 4863.649624][ T1167] do_syscall_64+0xc6/0x1e0 [ 4863.649624][ T1167] [ 4863.652012][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4863.652012][ T1167] netdev_get_by_index+0x5e/0x80 [ 4863.652012][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4863.652012][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4863.652012][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4863.652012][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4863.652012][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4863.652012][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4863.652012][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4863.652012][ T1167] addrconf_dad_begin+0x310/0x670 [ 4863.652012][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4863.652012][ T1167] process_one_work+0x84d/0x18a0 [ 4863.652012][ T1167] worker_thread+0x587/0xd30 [ 4863.652012][ T1167] kthread+0x28a/0x350 [ 4863.652012][ T1167] ret_from_fork+0x31/0x70 [ 4863.652012][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4863.652012][ T1167] [ 4863.654355][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4863.654355][ T1167] netdev_get_by_index+0x5e/0x80 [ 4863.654355][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4863.654355][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4863.654355][ T1167] ip6_route_add+0x1c/0x140 [ 4863.654355][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4863.654355][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4863.654355][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4863.654355][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4863.654355][ T1167] netlink_rcv_skb+0x130/0x360 [ 4863.654355][ T1167] netlink_unicast+0x449/0x710 [ 4863.654355][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4863.654355][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4863.654355][ T1167] ___sys_sendmsg+0xee/0x170 [ 4863.654355][ T1167] __sys_sendmsg+0xcd/0x170 [ 4863.654355][ T1167] do_syscall_64+0xc6/0x1e0 [ 4863.654355][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4863.654355][ T1167] [ 4863.656835][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4863.656835][ T1167] netdev_get_by_index+0x5e/0x80 [ 4863.656835][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4863.656835][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4863.656835][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4863.656835][ T1167] ipv6_add_addr+0x411/0x2000 [ 4863.656835][ T1167] inet6_addr_add+0x30e/0xa40 [ 4863.656835][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4863.656835][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4863.656835][ T1167] netlink_rcv_skb+0x130/0x360 [ 4863.656835][ T1167] netlink_unicast+0x449/0x710 [ 4863.656835][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4863.656835][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4863.656835][ T1167] ___sys_sendmsg+0xee/0x170 [ 4863.656835][ T1167] __sys_sendmsg+0xcd/0x170 [ 4863.656835][ T1167] do_syscall_64+0xc6/0x1e0 [ 4863.656835][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4863.656835][ T1167] [ 4863.659283][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4863.659283][ T1167] netdev_get_by_index+0x5e/0x80 [ 4863.659283][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4863.659283][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4863.659283][ T1167] ip6_route_add+0x1c/0x140 [ 4863.659283][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4863.659283][ T1167] addrconf_add_dev+0xe2/0x170 [ 4863.659283][ T1167] inet6_addr_add+0x12f/0xa40 [ 4863.659283][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4863.659283][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4863.659283][ T1167] netlink_rcv_skb+0x130/0x360 [ 4863.659283][ T1167] netlink_unicast+0x449/0x710 [ 4863.659283][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4863.659283][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4863.659283][ T1167] ___sys_sendmsg+0xee/0x170 [ 4863.659283][ T1167] __sys_sendmsg+0xcd/0x170 [ 4863.659283][ T1167] do_syscall_64+0xc6/0x1e0 [ 4863.659283][ T1167] [ 4863.661689][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4863.661689][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4863.661689][ T1167] ipv6_find_idev+0x102/0x170 [ 4863.661689][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4863.661689][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4863.661689][ T1167] netlink_rcv_skb+0x130/0x360 [ 4863.661689][ T1167] netlink_unicast+0x449/0x710 [ 4863.661689][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4863.661689][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4863.661689][ T1167] ___sys_sendmsg+0xee/0x170 [ 4863.661689][ T1167] __sys_sendmsg+0xcd/0x170 [ 4863.661689][ T1167] do_syscall_64+0xc6/0x1e0 [ 4863.661689][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4863.661689][ T1167] [ 4863.663580][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4863.663580][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4863.663580][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4863.663580][ T1167] ipv6_find_idev+0x102/0x170 [ 4863.663580][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4863.663580][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4863.663580][ T1167] netlink_rcv_skb+0x130/0x360 [ 4863.663580][ T1167] netlink_unicast+0x449/0x710 [ 4863.663580][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4863.663580][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4863.663580][ T1167] ___sys_sendmsg+0xee/0x170 [ 4863.663580][ T1167] __sys_sendmsg+0xcd/0x170 [ 4863.663580][ T1167] do_syscall_64+0xc6/0x1e0 [ 4863.663580][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4863.663580][ T1167] [ 4869.881121][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4869.881484][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4869.881484][ T10] netdev_get_by_index+0x5e/0x80 [ 4869.881484][ T10] fib6_nh_init+0x3d8/0x1580 [ 4869.881484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4869.881484][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4869.881484][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4869.881484][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4869.881484][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4869.881484][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4869.881484][ T10] addrconf_dad_begin+0x310/0x670 [ 4869.881484][ T10] addrconf_dad_work+0x10b/0xab0 [ 4869.881484][ T10] process_one_work+0x84d/0x18a0 [ 4869.881484][ T10] worker_thread+0x587/0xd30 [ 4869.881484][ T10] kthread+0x28a/0x350 [ 4869.881484][ T10] ret_from_fork+0x31/0x70 [ 4869.881484][ T10] ret_from_fork_asm+0x1a/0x30 [ 4869.881484][ T10] [ 4869.883623][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4869.883623][ T10] netdev_get_by_index+0x5e/0x80 [ 4869.883623][ T10] fib6_nh_init+0x3d8/0x1580 [ 4869.883623][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4869.883623][ T10] ip6_route_add+0x1c/0x140 [ 4869.883623][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4869.883623][ T10] inet6_addr_add+0x4f8/0xa40 [ 4869.883623][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4869.883623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.883623][ T10] netlink_rcv_skb+0x130/0x360 [ 4869.883623][ T10] netlink_unicast+0x449/0x710 [ 4869.883623][ T10] netlink_sendmsg+0x723/0xbe0 [ 4869.883623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4869.883623][ T10] ___sys_sendmsg+0xee/0x170 [ 4869.883623][ T10] __sys_sendmsg+0xcd/0x170 [ 4869.883623][ T10] do_syscall_64+0xc6/0x1e0 [ 4869.883623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.883623][ T10] [ 4869.885847][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4869.885847][ T10] netdev_get_by_index+0x5e/0x80 [ 4869.885847][ T10] fib6_nh_init+0x3d8/0x1580 [ 4869.885847][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4869.885847][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4869.885847][ T10] ipv6_add_addr+0x411/0x2000 [ 4869.885847][ T10] inet6_addr_add+0x30e/0xa40 [ 4869.885847][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4869.885847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.885847][ T10] netlink_rcv_skb+0x130/0x360 [ 4869.885847][ T10] netlink_unicast+0x449/0x710 [ 4869.885847][ T10] netlink_sendmsg+0x723/0xbe0 [ 4869.885847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4869.885847][ T10] ___sys_sendmsg+0xee/0x170 [ 4869.885847][ T10] __sys_sendmsg+0xcd/0x170 [ 4869.885847][ T10] do_syscall_64+0xc6/0x1e0 [ 4869.885847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.885847][ T10] [ 4869.887855][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4869.887855][ T10] netdev_get_by_index+0x5e/0x80 [ 4869.887855][ T10] fib6_nh_init+0x3d8/0x1580 [ 4869.887855][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4869.887855][ T10] ip6_route_add+0x1c/0x140 [ 4869.887855][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4869.887855][ T10] addrconf_add_dev+0xe2/0x170 [ 4869.887855][ T10] inet6_addr_add+0x12f/0xa40 [ 4869.887855][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4869.887855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.887855][ T10] netlink_rcv_skb+0x130/0x360 [ 4869.887855][ T10] netlink_unicast+0x449/0x710 [ 4869.887855][ T10] netlink_sendmsg+0x723/0xbe0 [ 4869.887855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4869.887855][ T10] ___sys_sendmsg+0xee/0x170 [ 4869.887855][ T10] __sys_sendmsg+0xcd/0x170 [ 4869.887855][ T10] do_syscall_64+0xc6/0x1e0 [ 4869.887855][ T10] [ 4869.889808][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4869.889808][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4869.889808][ T10] ipv6_find_idev+0x102/0x170 [ 4869.889808][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4869.889808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.889808][ T10] netlink_rcv_skb+0x130/0x360 [ 4869.889808][ T10] netlink_unicast+0x449/0x710 [ 4869.889808][ T10] netlink_sendmsg+0x723/0xbe0 [ 4869.889808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4869.889808][ T10] ___sys_sendmsg+0xee/0x170 [ 4869.889808][ T10] __sys_sendmsg+0xcd/0x170 [ 4869.889808][ T10] do_syscall_64+0xc6/0x1e0 [ 4869.889808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.889808][ T10] [ 4869.891337][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4869.891337][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4869.891337][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4869.891337][ T10] ipv6_find_idev+0x102/0x170 [ 4869.891337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4869.891337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.891337][ T10] netlink_rcv_skb+0x130/0x360 [ 4869.891337][ T10] netlink_unicast+0x449/0x710 [ 4869.891337][ T10] netlink_sendmsg+0x723/0xbe0 [ 4869.891337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4869.891337][ T10] ___sys_sendmsg+0xee/0x170 [ 4869.891337][ T10] __sys_sendmsg+0xcd/0x170 [ 4869.891337][ T10] do_syscall_64+0xc6/0x1e0 [ 4869.891337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.891337][ T10] [ 4869.893022][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4869.893271][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4869.893271][ T10] netdev_get_by_index+0x5e/0x80 [ 4869.893271][ T10] fib6_nh_init+0x3d8/0x1580 [ 4869.893271][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4869.893271][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4869.893271][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4869.893271][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4869.893271][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4869.893271][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4869.893271][ T10] addrconf_dad_begin+0x310/0x670 [ 4869.893271][ T10] addrconf_dad_work+0x10b/0xab0 [ 4869.893271][ T10] process_one_work+0x84d/0x18a0 [ 4869.893271][ T10] worker_thread+0x587/0xd30 [ 4869.893271][ T10] kthread+0x28a/0x350 [ 4869.893271][ T10] ret_from_fork+0x31/0x70 [ 4869.893271][ T10] ret_from_fork_asm+0x1a/0x30 [ 4869.893271][ T10] [ 4869.895177][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4869.895177][ T10] netdev_get_by_index+0x5e/0x80 [ 4869.895177][ T10] fib6_nh_init+0x3d8/0x1580 [ 4869.895177][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4869.895177][ T10] ip6_route_add+0x1c/0x140 [ 4869.895177][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4869.895177][ T10] inet6_addr_add+0x4f8/0xa40 [ 4869.895177][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4869.895177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.895177][ T10] netlink_rcv_skb+0x130/0x360 [ 4869.895177][ T10] netlink_unicast+0x449/0x710 [ 4869.895177][ T10] netlink_sendmsg+0x723/0xbe0 [ 4869.895177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4869.895177][ T10] ___sys_sendmsg+0xee/0x170 [ 4869.895177][ T10] __sys_sendmsg+0xcd/0x170 [ 4869.895177][ T10] do_syscall_64+0xc6/0x1e0 [ 4869.895177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.895177][ T10] [ 4869.897163][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4869.897163][ T10] netdev_get_by_index+0x5e/0x80 [ 4869.897163][ T10] fib6_nh_init+0x3d8/0x1580 [ 4869.897163][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4869.897163][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4869.897163][ T10] ipv6_add_addr+0x411/0x2000 [ 4869.897163][ T10] inet6_addr_add+0x30e/0xa40 [ 4869.897163][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4869.897163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.897163][ T10] netlink_rcv_skb+0x130/0x360 [ 4869.897163][ T10] netlink_unicast+0x449/0x710 [ 4869.897163][ T10] netlink_sendmsg+0x723/0xbe0 [ 4869.897163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4869.897163][ T10] ___sys_sendmsg+0xee/0x170 [ 4869.897163][ T10] __sys_sendmsg+0xcd/0x170 [ 4869.897163][ T10] do_syscall_64+0xc6/0x1e0 [ 4869.897163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.897163][ T10] [ 4869.899151][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4869.899151][ T10] netdev_get_by_index+0x5e/0x80 [ 4869.899151][ T10] fib6_nh_init+0x3d8/0x1580 [ 4869.899151][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4869.899151][ T10] ip6_route_add+0x1c/0x140 [ 4869.899151][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4869.899151][ T10] addrconf_add_dev+0xe2/0x170 [ 4869.899151][ T10] inet6_addr_add+0x12f/0xa40 [ 4869.899151][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4869.899151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.899151][ T10] netlink_rcv_skb+0x130/0x360 [ 4869.899151][ T10] netlink_unicast+0x449/0x710 [ 4869.899151][ T10] netlink_sendmsg+0x723/0xbe0 [ 4869.899151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4869.899151][ T10] ___sys_sendmsg+0xee/0x170 [ 4869.899151][ T10] __sys_sendmsg+0xcd/0x170 [ 4869.899151][ T10] do_syscall_64+0xc6/0x1e0 [ 4869.899151][ T10] [ 4869.901097][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4869.901097][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4869.901097][ T10] ipv6_find_idev+0x102/0x170 [ 4869.901097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4869.901097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.901097][ T10] netlink_rcv_skb+0x130/0x360 [ 4869.901097][ T10] netlink_unicast+0x449/0x710 [ 4869.901097][ T10] netlink_sendmsg+0x723/0xbe0 [ 4869.901097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4869.901097][ T10] ___sys_sendmsg+0xee/0x170 [ 4869.901097][ T10] __sys_sendmsg+0xcd/0x170 [ 4869.901097][ T10] do_syscall_64+0xc6/0x1e0 [ 4869.901097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.901097][ T10] [ 4869.902627][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4869.902627][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4869.902627][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4869.902627][ T10] ipv6_find_idev+0x102/0x170 [ 4869.902627][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4869.902627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.902627][ T10] netlink_rcv_skb+0x130/0x360 [ 4869.902627][ T10] netlink_unicast+0x449/0x710 [ 4869.902627][ T10] netlink_sendmsg+0x723/0xbe0 [ 4869.902627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4869.902627][ T10] ___sys_sendmsg+0xee/0x170 [ 4869.902627][ T10] __sys_sendmsg+0xcd/0x170 [ 4869.902627][ T10] do_syscall_64+0xc6/0x1e0 [ 4869.902627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.902627][ T10] [ 4869.904301][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4869.904536][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4869.904536][ T10] netdev_get_by_index+0x5e/0x80 [ 4869.904536][ T10] fib6_nh_init+0x3d8/0x1580 [ 4869.904536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4869.904536][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4869.904536][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4869.904536][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4869.904536][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4869.904536][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4869.904536][ T10] addrconf_dad_begin+0x310/0x670 [ 4869.904536][ T10] addrconf_dad_work+0x10b/0xab0 [ 4869.904536][ T10] process_one_work+0x84d/0x18a0 [ 4869.904536][ T10] worker_thread+0x587/0xd30 [ 4869.904536][ T10] kthread+0x28a/0x350 [ 4869.904536][ T10] ret_from_fork+0x31/0x70 [ 4869.904536][ T10] ret_from_fork_asm+0x1a/0x30 [ 4869.904536][ T10] [ 4869.906458][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4869.906458][ T10] netdev_get_by_index+0x5e/0x80 [ 4869.906458][ T10] fib6_nh_init+0x3d8/0x1580 [ 4869.906458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4869.906458][ T10] ip6_route_add+0x1c/0x140 [ 4869.906458][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4869.906458][ T10] inet6_addr_add+0x4f8/0xa40 [ 4869.906458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4869.906458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.906458][ T10] netlink_rcv_skb+0x130/0x360 [ 4869.906458][ T10] netlink_unicast+0x449/0x710 [ 4869.906458][ T10] netlink_sendmsg+0x723/0xbe0 [ 4869.906458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4869.906458][ T10] ___sys_sendmsg+0xee/0x170 [ 4869.906458][ T10] __sys_sendmsg+0xcd/0x170 [ 4869.906458][ T10] do_syscall_64+0xc6/0x1e0 [ 4869.906458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.906458][ T10] [ 4869.908828][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4869.908828][ T10] netdev_get_by_index+0x5e/0x80 [ 4869.908828][ T10] fib6_nh_init+0x3d8/0x1580 [ 4869.908828][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4869.908828][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4869.908828][ T10] ipv6_add_addr+0x411/0x2000 [ 4869.908828][ T10] inet6_addr_add+0x30e/0xa40 [ 4869.908828][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4869.908828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.908828][ T10] netlink_rcv_skb+0x130/0x360 [ 4869.908828][ T10] netlink_unicast+0x449/0x710 [ 4869.908828][ T10] netlink_sendmsg+0x723/0xbe0 [ 4869.908828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4869.908828][ T10] ___sys_sendmsg+0xee/0x170 [ 4869.908828][ T10] __sys_sendmsg+0xcd/0x170 [ 4869.908828][ T10] do_syscall_64+0xc6/0x1e0 [ 4869.908828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.908828][ T10] [ 4869.911257][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4869.911257][ T10] netdev_get_by_index+0x5e/0x80 [ 4869.911257][ T10] fib6_nh_init+0x3d8/0x1580 [ 4869.911257][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4869.911257][ T10] ip6_route_add+0x1c/0x140 [ 4869.911257][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4869.911257][ T10] addrconf_add_dev+0xe2/0x170 [ 4869.911257][ T10] inet6_addr_add+0x12f/0xa40 [ 4869.911257][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4869.911257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.911257][ T10] netlink_rcv_skb+0x130/0x360 [ 4869.911257][ T10] netlink_unicast+0x449/0x710 [ 4869.911257][ T10] netlink_sendmsg+0x723/0xbe0 [ 4869.911257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4869.911257][ T10] ___sys_sendmsg+0xee/0x170 [ 4869.911257][ T10] __sys_sendmsg+0xcd/0x170 [ 4869.911257][ T10] do_syscall_64+0xc6/0x1e0 [ 4869.911257][ T10] [ 4869.913643][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4869.913643][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4869.913643][ T10] ipv6_find_idev+0x102/0x170 [ 4869.913643][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4869.913643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.913643][ T10] netlink_rcv_skb+0x130/0x360 [ 4869.913643][ T10] netlink_unicast+0x449/0x710 [ 4869.913643][ T10] netlink_sendmsg+0x723/0xbe0 [ 4869.913643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4869.913643][ T10] ___sys_sendmsg+0xee/0x170 [ 4869.913643][ T10] __sys_sendmsg+0xcd/0x170 [ 4869.913643][ T10] do_syscall_64+0xc6/0x1e0 [ 4869.913643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.913643][ T10] [ 4869.915513][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4869.915513][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4869.915513][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4869.915513][ T10] ipv6_find_idev+0x102/0x170 [ 4869.915513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4869.915513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.915513][ T10] netlink_rcv_skb+0x130/0x360 [ 4869.915513][ T10] netlink_unicast+0x449/0x710 [ 4869.915513][ T10] netlink_sendmsg+0x723/0xbe0 [ 4869.915513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4869.915513][ T10] ___sys_sendmsg+0xee/0x170 [ 4869.915513][ T10] __sys_sendmsg+0xcd/0x170 [ 4869.915513][ T10] do_syscall_64+0xc6/0x1e0 [ 4869.915513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.915513][ T10] [ 4869.917593][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4869.917850][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4869.917850][ T10] netdev_get_by_index+0x5e/0x80 [ 4869.917850][ T10] fib6_nh_init+0x3d8/0x1580 [ 4869.917850][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4869.917850][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4869.917850][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4869.917850][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4869.917850][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4869.917850][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4869.917850][ T10] addrconf_dad_begin+0x310/0x670 [ 4869.917850][ T10] addrconf_dad_work+0x10b/0xab0 [ 4869.917850][ T10] process_one_work+0x84d/0x18a0 [ 4869.917850][ T10] worker_thread+0x587/0xd30 [ 4869.917850][ T10] kthread+0x28a/0x350 [ 4869.917850][ T10] ret_from_fork+0x31/0x70 [ 4869.917850][ T10] ret_from_fork_asm+0x1a/0x30 [ 4869.917850][ T10] [ 4869.920206][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4869.920206][ T10] netdev_get_by_index+0x5e/0x80 [ 4869.920206][ T10] fib6_nh_init+0x3d8/0x1580 [ 4869.920206][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4869.920206][ T10] ip6_route_add+0x1c/0x140 [ 4869.920206][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4869.920206][ T10] inet6_addr_add+0x4f8/0xa40 [ 4869.920206][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4869.920206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.920206][ T10] netlink_rcv_skb+0x130/0x360 [ 4869.920206][ T10] netlink_unicast+0x449/0x710 [ 4869.920206][ T10] netlink_sendmsg+0x723/0xbe0 [ 4869.920206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4869.920206][ T10] ___sys_sendmsg+0xee/0x170 [ 4869.920206][ T10] __sys_sendmsg+0xcd/0x170 [ 4869.920206][ T10] do_syscall_64+0xc6/0x1e0 [ 4869.920206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.920206][ T10] [ 4869.922625][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4869.922625][ T10] netdev_get_by_index+0x5e/0x80 [ 4869.922625][ T10] fib6_nh_init+0x3d8/0x1580 [ 4869.922625][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4869.922625][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4869.922625][ T10] ipv6_add_addr+0x411/0x2000 [ 4869.922625][ T10] inet6_addr_add+0x30e/0xa40 [ 4869.922625][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4869.922625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.922625][ T10] netlink_rcv_skb+0x130/0x360 [ 4869.922625][ T10] netlink_unicast+0x449/0x710 [ 4869.922625][ T10] netlink_sendmsg+0x723/0xbe0 [ 4869.922625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4869.922625][ T10] ___sys_sendmsg+0xee/0x170 [ 4869.922625][ T10] __sys_sendmsg+0xcd/0x170 [ 4869.922625][ T10] do_syscall_64+0xc6/0x1e0 [ 4869.922625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.922625][ T10] [ 4869.924990][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4869.924990][ T10] netdev_get_by_index+0x5e/0x80 [ 4869.924990][ T10] fib6_nh_init+0x3d8/0x1580 [ 4869.924990][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4869.924990][ T10] ip6_route_add+0x1c/0x140 [ 4869.924990][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4869.924990][ T10] addrconf_add_dev+0xe2/0x170 [ 4869.924990][ T10] inet6_addr_add+0x12f/0xa40 [ 4869.924990][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4869.924990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.924990][ T10] netlink_rcv_skb+0x130/0x360 [ 4869.924990][ T10] netlink_unicast+0x449/0x710 [ 4869.924990][ T10] netlink_sendmsg+0x723/0xbe0 [ 4869.924990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4869.924990][ T10] ___sys_sendmsg+0xee/0x170 [ 4869.924990][ T10] __sys_sendmsg+0xcd/0x170 [ 4869.924990][ T10] do_syscall_64+0xc6/0x1e0 [ 4869.924990][ T10] [ 4869.927444][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4869.927444][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4869.927444][ T10] ipv6_find_idev+0x102/0x170 [ 4869.927444][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4869.927444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.927444][ T10] netlink_rcv_skb+0x130/0x360 [ 4869.927444][ T10] netlink_unicast+0x449/0x710 [ 4869.927444][ T10] netlink_sendmsg+0x723/0xbe0 [ 4869.927444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4869.927444][ T10] ___sys_sendmsg+0xee/0x170 [ 4869.927444][ T10] __sys_sendmsg+0xcd/0x170 [ 4869.927444][ T10] do_syscall_64+0xc6/0x1e0 [ 4869.927444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.927444][ T10] [ 4869.929307][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4869.929307][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4869.929307][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4869.929307][ T10] ipv6_find_idev+0x102/0x170 [ 4869.929307][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4869.929307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.929307][ T10] netlink_rcv_skb+0x130/0x360 [ 4869.929307][ T10] netlink_unicast+0x449/0x710 [ 4869.929307][ T10] netlink_sendmsg+0x723/0xbe0 [ 4869.929307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4869.929307][ T10] ___sys_sendmsg+0xee/0x170 [ 4869.929307][ T10] __sys_sendmsg+0xcd/0x170 [ 4869.929307][ T10] do_syscall_64+0xc6/0x1e0 [ 4869.929307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.929307][ T10] [ 4873.905068][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4873.905648][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4873.905648][ T1167] dst_init+0x84/0x4a0 [ 4873.905648][ T1167] dst_alloc+0x97/0x150 [ 4873.905648][ T1167] ip6_dst_alloc+0x23/0x90 [ 4873.905648][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4873.905648][ T1167] ip6_pol_route+0x56f/0x840 [ 4873.905648][ T1167] fib6_rule_lookup+0x334/0x630 [ 4873.905648][ T1167] ip6_route_output_flags+0x259/0x480 [ 4873.905648][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4873.905648][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4873.905648][ T1167] netlink_rcv_skb+0x130/0x360 [ 4873.905648][ T1167] netlink_unicast+0x449/0x710 [ 4873.905648][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4873.905648][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4873.905648][ T1167] ___sys_sendmsg+0xee/0x170 [ 4873.905648][ T1167] __sys_sendmsg+0xcd/0x170 [ 4873.905648][ T1167] do_syscall_64+0xc6/0x1e0 [ 4873.905648][ T1167] [ 4873.908103][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4873.908103][ T1167] netdev_get_by_index+0x5e/0x80 [ 4873.908103][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4873.908103][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4873.908103][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4873.908103][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4873.908103][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4873.908103][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4873.908103][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4873.908103][ T1167] addrconf_dad_begin+0x310/0x670 [ 4873.908103][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4873.908103][ T1167] process_one_work+0x84d/0x18a0 [ 4873.908103][ T1167] worker_thread+0x587/0xd30 [ 4873.908103][ T1167] kthread+0x28a/0x350 [ 4873.908103][ T1167] ret_from_fork+0x31/0x70 [ 4873.908103][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4873.908103][ T1167] [ 4873.910723][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4873.910723][ T1167] netdev_get_by_index+0x5e/0x80 [ 4873.910723][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4873.910723][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4873.910723][ T1167] ip6_route_add+0x1c/0x140 [ 4873.910723][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4873.910723][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4873.910723][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4873.910723][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4873.910723][ T1167] netlink_rcv_skb+0x130/0x360 [ 4873.910723][ T1167] netlink_unicast+0x449/0x710 [ 4873.910723][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4873.910723][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4873.910723][ T1167] ___sys_sendmsg+0xee/0x170 [ 4873.910723][ T1167] __sys_sendmsg+0xcd/0x170 [ 4873.910723][ T1167] do_syscall_64+0xc6/0x1e0 [ 4873.910723][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4873.910723][ T1167] [ 4873.914447][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4873.914447][ T1167] netdev_get_by_index+0x5e/0x80 [ 4873.914447][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4873.914447][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4873.914447][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4873.914447][ T1167] ipv6_add_addr+0x411/0x2000 [ 4873.914447][ T1167] inet6_addr_add+0x30e/0xa40 [ 4873.914447][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4873.914447][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4873.914447][ T1167] netlink_rcv_skb+0x130/0x360 [ 4873.914447][ T1167] netlink_unicast+0x449/0x710 [ 4873.914447][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4873.914447][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4873.914447][ T1167] ___sys_sendmsg+0xee/0x170 [ 4873.914447][ T1167] __sys_sendmsg+0xcd/0x170 [ 4873.914447][ T1167] do_syscall_64+0xc6/0x1e0 [ 4873.914447][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4873.914447][ T1167] [ 4873.917868][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4873.917868][ T1167] netdev_get_by_index+0x5e/0x80 [ 4873.917868][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4873.917868][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4873.917868][ T1167] ip6_route_add+0x1c/0x140 [ 4873.917868][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4873.917868][ T1167] addrconf_add_dev+0xe2/0x170 [ 4873.917868][ T1167] inet6_addr_add+0x12f/0xa40 [ 4873.917868][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4873.917868][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4873.917868][ T1167] netlink_rcv_skb+0x130/0x360 [ 4873.917868][ T1167] netlink_unicast+0x449/0x710 [ 4873.917868][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4873.917868][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4873.917868][ T1167] ___sys_sendmsg+0xee/0x170 [ 4873.917868][ T1167] __sys_sendmsg+0xcd/0x170 [ 4873.917868][ T1167] do_syscall_64+0xc6/0x1e0 [ 4873.917868][ T1167] [ 4873.920321][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4873.920321][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4873.920321][ T1167] ipv6_find_idev+0x102/0x170 [ 4873.920321][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4873.920321][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4873.920321][ T1167] netlink_rcv_skb+0x130/0x360 [ 4873.920321][ T1167] netlink_unicast+0x449/0x710 [ 4873.920321][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4873.920321][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4873.920321][ T1167] ___sys_sendmsg+0xee/0x170 [ 4873.920321][ T1167] __sys_sendmsg+0xcd/0x170 [ 4873.920321][ T1167] do_syscall_64+0xc6/0x1e0 [ 4873.920321][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4873.920321][ T1167] [ 4873.922750][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4873.922750][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4873.922750][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4873.922750][ T1167] ipv6_find_idev+0x102/0x170 [ 4873.922750][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4873.922750][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4873.922750][ T1167] netlink_rcv_skb+0x130/0x360 [ 4873.922750][ T1167] netlink_unicast+0x449/0x710 [ 4873.922750][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4873.922750][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4873.922750][ T1167] ___sys_sendmsg+0xee/0x170 [ 4873.922750][ T1167] __sys_sendmsg+0xcd/0x170 [ 4873.922750][ T1167] do_syscall_64+0xc6/0x1e0 [ 4873.922750][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4873.922750][ T1167] [ 4880.025088][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4880.025510][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4880.025510][ T10] netdev_get_by_index+0x5e/0x80 [ 4880.025510][ T10] fib6_nh_init+0x3d8/0x1580 [ 4880.025510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4880.025510][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4880.025510][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4880.025510][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4880.025510][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4880.025510][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4880.025510][ T10] addrconf_dad_begin+0x310/0x670 [ 4880.025510][ T10] addrconf_dad_work+0x10b/0xab0 [ 4880.025510][ T10] process_one_work+0x84d/0x18a0 [ 4880.025510][ T10] worker_thread+0x587/0xd30 [ 4880.025510][ T10] kthread+0x28a/0x350 [ 4880.025510][ T10] ret_from_fork+0x31/0x70 [ 4880.025510][ T10] ret_from_fork_asm+0x1a/0x30 [ 4880.025510][ T10] [ 4880.027647][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4880.027647][ T10] netdev_get_by_index+0x5e/0x80 [ 4880.027647][ T10] fib6_nh_init+0x3d8/0x1580 [ 4880.027647][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4880.027647][ T10] ip6_route_add+0x1c/0x140 [ 4880.027647][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4880.027647][ T10] inet6_addr_add+0x4f8/0xa40 [ 4880.027647][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4880.027647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4880.027647][ T10] netlink_rcv_skb+0x130/0x360 [ 4880.027647][ T10] netlink_unicast+0x449/0x710 [ 4880.027647][ T10] netlink_sendmsg+0x723/0xbe0 [ 4880.027647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4880.027647][ T10] ___sys_sendmsg+0xee/0x170 [ 4880.027647][ T10] __sys_sendmsg+0xcd/0x170 [ 4880.027647][ T10] do_syscall_64+0xc6/0x1e0 [ 4880.027647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4880.027647][ T10] [ 4880.029851][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4880.029851][ T10] netdev_get_by_index+0x5e/0x80 [ 4880.029851][ T10] fib6_nh_init+0x3d8/0x1580 [ 4880.029851][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4880.029851][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4880.029851][ T10] ipv6_add_addr+0x411/0x2000 [ 4880.029851][ T10] inet6_addr_add+0x30e/0xa40 [ 4880.029851][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4880.029851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4880.029851][ T10] netlink_rcv_skb+0x130/0x360 [ 4880.029851][ T10] netlink_unicast+0x449/0x710 [ 4880.029851][ T10] netlink_sendmsg+0x723/0xbe0 [ 4880.029851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4880.029851][ T10] ___sys_sendmsg+0xee/0x170 [ 4880.029851][ T10] __sys_sendmsg+0xcd/0x170 [ 4880.029851][ T10] do_syscall_64+0xc6/0x1e0 [ 4880.029851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4880.029851][ T10] [ 4880.032045][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4880.032045][ T10] netdev_get_by_index+0x5e/0x80 [ 4880.032045][ T10] fib6_nh_init+0x3d8/0x1580 [ 4880.032045][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4880.032045][ T10] ip6_route_add+0x1c/0x140 [ 4880.032045][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4880.032045][ T10] addrconf_add_dev+0xe2/0x170 [ 4880.032045][ T10] inet6_addr_add+0x12f/0xa40 [ 4880.032045][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4880.032045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4880.032045][ T10] netlink_rcv_skb+0x130/0x360 [ 4880.032045][ T10] netlink_unicast+0x449/0x710 [ 4880.032045][ T10] netlink_sendmsg+0x723/0xbe0 [ 4880.032045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4880.032045][ T10] ___sys_sendmsg+0xee/0x170 [ 4880.032045][ T10] __sys_sendmsg+0xcd/0x170 [ 4880.032045][ T10] do_syscall_64+0xc6/0x1e0 [ 4880.032045][ T10] [ 4880.034192][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4880.034192][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4880.034192][ T10] ipv6_find_idev+0x102/0x170 [ 4880.034192][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4880.034192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4880.034192][ T10] netlink_rcv_skb+0x130/0x360 [ 4880.034192][ T10] netlink_unicast+0x449/0x710 [ 4880.034192][ T10] netlink_sendmsg+0x723/0xbe0 [ 4880.034192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4880.034192][ T10] ___sys_sendmsg+0xee/0x170 [ 4880.034192][ T10] __sys_sendmsg+0xcd/0x170 [ 4880.034192][ T10] do_syscall_64+0xc6/0x1e0 [ 4880.034192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4880.034192][ T10] [ 4880.035850][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4880.035850][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4880.035850][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4880.035850][ T10] ipv6_find_idev+0x102/0x170 [ 4880.035850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4880.035850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4880.035850][ T10] netlink_rcv_skb+0x130/0x360 [ 4880.035850][ T10] netlink_unicast+0x449/0x710 [ 4880.035850][ T10] netlink_sendmsg+0x723/0xbe0 [ 4880.035850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4880.035850][ T10] ___sys_sendmsg+0xee/0x170 [ 4880.035850][ T10] __sys_sendmsg+0xcd/0x170 [ 4880.035850][ T10] do_syscall_64+0xc6/0x1e0 [ 4880.035850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4880.035850][ T10] [ 4880.037548][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4880.037816][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4880.037816][ T10] netdev_get_by_index+0x5e/0x80 [ 4880.037816][ T10] fib6_nh_init+0x3d8/0x1580 [ 4880.037816][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4880.037816][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4880.037816][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4880.037816][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4880.037816][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4880.037816][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4880.037816][ T10] addrconf_dad_begin+0x310/0x670 [ 4880.037816][ T10] addrconf_dad_work+0x10b/0xab0 [ 4880.037816][ T10] process_one_work+0x84d/0x18a0 [ 4880.037816][ T10] worker_thread+0x587/0xd30 [ 4880.037816][ T10] kthread+0x28a/0x350 [ 4880.037816][ T10] ret_from_fork+0x31/0x70 [ 4880.037816][ T10] ret_from_fork_asm+0x1a/0x30 [ 4880.037816][ T10] [ 4880.039712][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4880.039712][ T10] netdev_get_by_index+0x5e/0x80 [ 4880.039712][ T10] fib6_nh_init+0x3d8/0x1580 [ 4880.039712][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4880.039712][ T10] ip6_route_add+0x1c/0x140 [ 4880.039712][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4880.039712][ T10] inet6_addr_add+0x4f8/0xa40 [ 4880.039712][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4880.039712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4880.039712][ T10] netlink_rcv_skb+0x130/0x360 [ 4880.039712][ T10] netlink_unicast+0x449/0x710 [ 4880.039712][ T10] netlink_sendmsg+0x723/0xbe0 [ 4880.039712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4880.039712][ T10] ___sys_sendmsg+0xee/0x170 [ 4880.039712][ T10] __sys_sendmsg+0xcd/0x170 [ 4880.039712][ T10] do_syscall_64+0xc6/0x1e0 [ 4880.039712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4880.039712][ T10] [ 4880.041705][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4880.041705][ T10] netdev_get_by_index+0x5e/0x80 [ 4880.041705][ T10] fib6_nh_init+0x3d8/0x1580 [ 4880.041705][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4880.041705][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4880.041705][ T10] ipv6_add_addr+0x411/0x2000 [ 4880.041705][ T10] inet6_addr_add+0x30e/0xa40 [ 4880.041705][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4880.041705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4880.041705][ T10] netlink_rcv_skb+0x130/0x360 [ 4880.041705][ T10] netlink_unicast+0x449/0x710 [ 4880.041705][ T10] netlink_sendmsg+0x723/0xbe0 [ 4880.041705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4880.041705][ T10] ___sys_sendmsg+0xee/0x170 [ 4880.041705][ T10] __sys_sendmsg+0xcd/0x170 [ 4880.041705][ T10] do_syscall_64+0xc6/0x1e0 [ 4880.041705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4880.041705][ T10] [ 4880.044217][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4880.044217][ T10] netdev_get_by_index+0x5e/0x80 [ 4880.044217][ T10] fib6_nh_init+0x3d8/0x1580 [ 4880.044217][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4880.044217][ T10] ip6_route_add+0x1c/0x140 [ 4880.044217][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4880.044217][ T10] addrconf_add_dev+0xe2/0x170 [ 4880.044217][ T10] inet6_addr_add+0x12f/0xa40 [ 4880.044217][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4880.044217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4880.044217][ T10] netlink_rcv_skb+0x130/0x360 [ 4880.044217][ T10] netlink_unicast+0x449/0x710 [ 4880.044217][ T10] netlink_sendmsg+0x723/0xbe0 [ 4880.044217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4880.044217][ T10] ___sys_sendmsg+0xee/0x170 [ 4880.044217][ T10] __sys_sendmsg+0xcd/0x170 [ 4880.044217][ T10] do_syscall_64+0xc6/0x1e0 [ 4880.044217][ T10] [ 4880.046180][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4880.046180][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4880.046180][ T10] ipv6_find_idev+0x102/0x170 [ 4880.046180][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4880.046180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4880.046180][ T10] netlink_rcv_skb+0x130/0x360 [ 4880.046180][ T10] netlink_unicast+0x449/0x710 [ 4880.046180][ T10] netlink_sendmsg+0x723/0xbe0 [ 4880.046180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4880.046180][ T10] ___sys_sendmsg+0xee/0x170 [ 4880.046180][ T10] __sys_sendmsg+0xcd/0x170 [ 4880.046180][ T10] do_syscall_64+0xc6/0x1e0 [ 4880.046180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4880.046180][ T10] [ 4880.047719][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4880.047719][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4880.047719][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4880.047719][ T10] ipv6_find_idev+0x102/0x170 [ 4880.047719][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4880.047719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4880.047719][ T10] netlink_rcv_skb+0x130/0x360 [ 4880.047719][ T10] netlink_unicast+0x449/0x710 [ 4880.047719][ T10] netlink_sendmsg+0x723/0xbe0 [ 4880.047719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4880.047719][ T10] ___sys_sendmsg+0xee/0x170 [ 4880.047719][ T10] __sys_sendmsg+0xcd/0x170 [ 4880.047719][ T10] do_syscall_64+0xc6/0x1e0 [ 4880.047719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4880.047719][ T10] [ 4880.049396][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4880.049635][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4880.049635][ T10] netdev_get_by_index+0x5e/0x80 [ 4880.049635][ T10] fib6_nh_init+0x3d8/0x1580 [ 4880.049635][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4880.049635][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4880.049635][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4880.049635][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4880.049635][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4880.049635][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4880.049635][ T10] addrconf_dad_begin+0x310/0x670 [ 4880.049635][ T10] addrconf_dad_work+0x10b/0xab0 [ 4880.049635][ T10] process_one_work+0x84d/0x18a0 [ 4880.049635][ T10] worker_thread+0x587/0xd30 [ 4880.049635][ T10] kthread+0x28a/0x350 [ 4880.049635][ T10] ret_from_fork+0x31/0x70 [ 4880.049635][ T10] ret_from_fork_asm+0x1a/0x30 [ 4880.049635][ T10] [ 4880.051544][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4880.051544][ T10] netdev_get_by_index+0x5e/0x80 [ 4880.051544][ T10] fib6_nh_init+0x3d8/0x1580 [ 4880.051544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4880.051544][ T10] ip6_route_add+0x1c/0x140 [ 4880.051544][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4880.051544][ T10] inet6_addr_add+0x4f8/0xa40 [ 4880.051544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4880.051544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4880.051544][ T10] netlink_rcv_skb+0x130/0x360 [ 4880.051544][ T10] netlink_unicast+0x449/0x710 [ 4880.051544][ T10] netlink_sendmsg+0x723/0xbe0 [ 4880.051544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4880.051544][ T10] ___sys_sendmsg+0xee/0x170 [ 4880.051544][ T10] __sys_sendmsg+0xcd/0x170 [ 4880.051544][ T10] do_syscall_64+0xc6/0x1e0 [ 4880.051544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4880.051544][ T10] [ 4880.056056][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4880.056056][ T10] netdev_get_by_index+0x5e/0x80 [ 4880.056056][ T10] fib6_nh_init+0x3d8/0x1580 [ 4880.056056][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4880.056056][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4880.056056][ T10] ipv6_add_addr+0x411/0x2000 [ 4880.056056][ T10] inet6_addr_add+0x30e/0xa40 [ 4880.056056][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4880.056056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4880.056056][ T10] netlink_rcv_skb+0x130/0x360 [ 4880.056056][ T10] netlink_unicast+0x449/0x710 [ 4880.056056][ T10] netlink_sendmsg+0x723/0xbe0 [ 4880.056056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4880.056056][ T10] ___sys_sendmsg+0xee/0x170 [ 4880.056056][ T10] __sys_sendmsg+0xcd/0x170 [ 4880.056056][ T10] do_syscall_64+0xc6/0x1e0 [ 4880.056056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4880.056056][ T10] [ 4880.058304][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4880.058304][ T10] netdev_get_by_index+0x5e/0x80 [ 4880.058304][ T10] fib6_nh_init+0x3d8/0x1580 [ 4880.058304][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4880.058304][ T10] ip6_route_add+0x1c/0x140 [ 4880.058304][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4880.058304][ T10] addrconf_add_dev+0xe2/0x170 [ 4880.058304][ T10] inet6_addr_add+0x12f/0xa40 [ 4880.058304][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4880.058304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4880.058304][ T10] netlink_rcv_skb+0x130/0x360 [ 4880.058304][ T10] netlink_unicast+0x449/0x710 [ 4880.058304][ T10] netlink_sendmsg+0x723/0xbe0 [ 4880.058304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4880.058304][ T10] ___sys_sendmsg+0xee/0x170 [ 4880.058304][ T10] __sys_sendmsg+0xcd/0x170 [ 4880.058304][ T10] do_syscall_64+0xc6/0x1e0 [ 4880.058304][ T10] [ 4880.060534][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4880.060534][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4880.060534][ T10] ipv6_find_idev+0x102/0x170 [ 4880.060534][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4880.060534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4880.060534][ T10] netlink_rcv_skb+0x130/0x360 [ 4880.060534][ T10] netlink_unicast+0x449/0x710 [ 4880.060534][ T10] netlink_sendmsg+0x723/0xbe0 [ 4880.060534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4880.060534][ T10] ___sys_sendmsg+0xee/0x170 [ 4880.060534][ T10] __sys_sendmsg+0xcd/0x170 [ 4880.060534][ T10] do_syscall_64+0xc6/0x1e0 [ 4880.060534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4880.060534][ T10] [ 4880.062325][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4880.062325][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4880.062325][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4880.062325][ T10] ipv6_find_idev+0x102/0x170 [ 4880.062325][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4880.062325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4880.062325][ T10] netlink_rcv_skb+0x130/0x360 [ 4880.062325][ T10] netlink_unicast+0x449/0x710 [ 4880.062325][ T10] netlink_sendmsg+0x723/0xbe0 [ 4880.062325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4880.062325][ T10] ___sys_sendmsg+0xee/0x170 [ 4880.062325][ T10] __sys_sendmsg+0xcd/0x170 [ 4880.062325][ T10] do_syscall_64+0xc6/0x1e0 [ 4880.062325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4880.062325][ T10] [ 4880.064197][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4880.064440][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4880.064440][ T10] netdev_get_by_index+0x5e/0x80 [ 4880.064440][ T10] fib6_nh_init+0x3d8/0x1580 [ 4880.064440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4880.064440][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4880.064440][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4880.064440][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4880.064440][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4880.064440][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4880.064440][ T10] addrconf_dad_begin+0x310/0x670 [ 4880.064440][ T10] addrconf_dad_work+0x10b/0xab0 [ 4880.064440][ T10] process_one_work+0x84d/0x18a0 [ 4880.064440][ T10] worker_thread+0x587/0xd30 [ 4880.064440][ T10] kthread+0x28a/0x350 [ 4880.064440][ T10] ret_from_fork+0x31/0x70 [ 4880.064440][ T10] ret_from_fork_asm+0x1a/0x30 [ 4880.064440][ T10] [ 4880.066638][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4880.066638][ T10] netdev_get_by_index+0x5e/0x80 [ 4880.066638][ T10] fib6_nh_init+0x3d8/0x1580 [ 4880.066638][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4880.066638][ T10] ip6_route_add+0x1c/0x140 [ 4880.066638][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4880.066638][ T10] inet6_addr_add+0x4f8/0xa40 [ 4880.066638][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4880.066638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4880.066638][ T10] netlink_rcv_skb+0x130/0x360 [ 4880.066638][ T10] netlink_unicast+0x449/0x710 [ 4880.066638][ T10] netlink_sendmsg+0x723/0xbe0 [ 4880.066638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4880.066638][ T10] ___sys_sendmsg+0xee/0x170 [ 4880.066638][ T10] __sys_sendmsg+0xcd/0x170 [ 4880.066638][ T10] do_syscall_64+0xc6/0x1e0 [ 4880.066638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4880.066638][ T10] [ 4880.068875][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4880.068875][ T10] netdev_get_by_index+0x5e/0x80 [ 4880.068875][ T10] fib6_nh_init+0x3d8/0x1580 [ 4880.068875][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4880.068875][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4880.068875][ T10] ipv6_add_addr+0x411/0x2000 [ 4880.068875][ T10] inet6_addr_add+0x30e/0xa40 [ 4880.068875][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4880.068875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4880.068875][ T10] netlink_rcv_skb+0x130/0x360 [ 4880.068875][ T10] netlink_unicast+0x449/0x710 [ 4880.068875][ T10] netlink_sendmsg+0x723/0xbe0 [ 4880.068875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4880.068875][ T10] ___sys_sendmsg+0xee/0x170 [ 4880.068875][ T10] __sys_sendmsg+0xcd/0x170 [ 4880.068875][ T10] do_syscall_64+0xc6/0x1e0 [ 4880.068875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4880.068875][ T10] [ 4880.071119][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4880.071119][ T10] netdev_get_by_index+0x5e/0x80 [ 4880.071119][ T10] fib6_nh_init+0x3d8/0x1580 [ 4880.071119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4880.071119][ T10] ip6_route_add+0x1c/0x140 [ 4880.071119][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4880.071119][ T10] addrconf_add_dev+0xe2/0x170 [ 4880.071119][ T10] inet6_addr_add+0x12f/0xa40 [ 4880.071119][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4880.071119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4880.071119][ T10] netlink_rcv_skb+0x130/0x360 [ 4880.071119][ T10] netlink_unicast+0x449/0x710 [ 4880.071119][ T10] netlink_sendmsg+0x723/0xbe0 [ 4880.071119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4880.071119][ T10] ___sys_sendmsg+0xee/0x170 [ 4880.071119][ T10] __sys_sendmsg+0xcd/0x170 [ 4880.071119][ T10] do_syscall_64+0xc6/0x1e0 [ 4880.071119][ T10] [ 4880.073337][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4880.073337][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4880.073337][ T10] ipv6_find_idev+0x102/0x170 [ 4880.073337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4880.073337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4880.073337][ T10] netlink_rcv_skb+0x130/0x360 [ 4880.073337][ T10] netlink_unicast+0x449/0x710 [ 4880.073337][ T10] netlink_sendmsg+0x723/0xbe0 [ 4880.073337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4880.073337][ T10] ___sys_sendmsg+0xee/0x170 [ 4880.073337][ T10] __sys_sendmsg+0xcd/0x170 [ 4880.073337][ T10] do_syscall_64+0xc6/0x1e0 [ 4880.073337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4880.073337][ T10] [ 4880.075104][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4880.075104][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4880.075104][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4880.075104][ T10] ipv6_find_idev+0x102/0x170 [ 4880.075104][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4880.075104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4880.075104][ T10] netlink_rcv_skb+0x130/0x360 [ 4880.075104][ T10] netlink_unicast+0x449/0x710 [ 4880.075104][ T10] netlink_sendmsg+0x723/0xbe0 [ 4880.075104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4880.075104][ T10] ___sys_sendmsg+0xee/0x170 [ 4880.075104][ T10] __sys_sendmsg+0xcd/0x170 [ 4880.075104][ T10] do_syscall_64+0xc6/0x1e0 [ 4880.075104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4880.075104][ T10] [ 4884.169132][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4884.169613][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4884.169613][ T1167] dst_init+0x84/0x4a0 [ 4884.169613][ T1167] dst_alloc+0x97/0x150 [ 4884.169613][ T1167] ip6_dst_alloc+0x23/0x90 [ 4884.169613][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4884.169613][ T1167] ip6_pol_route+0x56f/0x840 [ 4884.169613][ T1167] fib6_rule_lookup+0x334/0x630 [ 4884.169613][ T1167] ip6_route_output_flags+0x259/0x480 [ 4884.169613][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4884.169613][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4884.169613][ T1167] netlink_rcv_skb+0x130/0x360 [ 4884.169613][ T1167] netlink_unicast+0x449/0x710 [ 4884.169613][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4884.169613][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4884.169613][ T1167] ___sys_sendmsg+0xee/0x170 [ 4884.169613][ T1167] __sys_sendmsg+0xcd/0x170 [ 4884.169613][ T1167] do_syscall_64+0xc6/0x1e0 [ 4884.169613][ T1167] [ 4884.172052][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4884.172052][ T1167] netdev_get_by_index+0x5e/0x80 [ 4884.172052][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4884.172052][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4884.172052][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4884.172052][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4884.172052][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4884.172052][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4884.172052][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4884.172052][ T1167] addrconf_dad_begin+0x310/0x670 [ 4884.172052][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4884.172052][ T1167] process_one_work+0x84d/0x18a0 [ 4884.172052][ T1167] worker_thread+0x587/0xd30 [ 4884.172052][ T1167] kthread+0x28a/0x350 [ 4884.172052][ T1167] ret_from_fork+0x31/0x70 [ 4884.172052][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4884.172052][ T1167] [ 4884.174446][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4884.174446][ T1167] netdev_get_by_index+0x5e/0x80 [ 4884.174446][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4884.174446][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4884.174446][ T1167] ip6_route_add+0x1c/0x140 [ 4884.174446][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4884.174446][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4884.174446][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4884.174446][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4884.174446][ T1167] netlink_rcv_skb+0x130/0x360 [ 4884.174446][ T1167] netlink_unicast+0x449/0x710 [ 4884.174446][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4884.174446][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4884.174446][ T1167] ___sys_sendmsg+0xee/0x170 [ 4884.174446][ T1167] __sys_sendmsg+0xcd/0x170 [ 4884.174446][ T1167] do_syscall_64+0xc6/0x1e0 [ 4884.174446][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4884.174446][ T1167] [ 4884.176963][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4884.176963][ T1167] netdev_get_by_index+0x5e/0x80 [ 4884.176963][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4884.176963][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4884.176963][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4884.176963][ T1167] ipv6_add_addr+0x411/0x2000 [ 4884.176963][ T1167] inet6_addr_add+0x30e/0xa40 [ 4884.176963][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4884.176963][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4884.176963][ T1167] netlink_rcv_skb+0x130/0x360 [ 4884.176963][ T1167] netlink_unicast+0x449/0x710 [ 4884.176963][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4884.176963][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4884.176963][ T1167] ___sys_sendmsg+0xee/0x170 [ 4884.176963][ T1167] __sys_sendmsg+0xcd/0x170 [ 4884.176963][ T1167] do_syscall_64+0xc6/0x1e0 [ 4884.176963][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4884.176963][ T1167] [ 4884.179451][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4884.179451][ T1167] netdev_get_by_index+0x5e/0x80 [ 4884.179451][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4884.179451][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4884.179451][ T1167] ip6_route_add+0x1c/0x140 [ 4884.179451][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4884.179451][ T1167] addrconf_add_dev+0xe2/0x170 [ 4884.179451][ T1167] inet6_addr_add+0x12f/0xa40 [ 4884.179451][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4884.179451][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4884.179451][ T1167] netlink_rcv_skb+0x130/0x360 [ 4884.179451][ T1167] netlink_unicast+0x449/0x710 [ 4884.179451][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4884.179451][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4884.179451][ T1167] ___sys_sendmsg+0xee/0x170 [ 4884.179451][ T1167] __sys_sendmsg+0xcd/0x170 [ 4884.179451][ T1167] do_syscall_64+0xc6/0x1e0 [ 4884.179451][ T1167] [ 4884.181875][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4884.181875][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4884.181875][ T1167] ipv6_find_idev+0x102/0x170 [ 4884.181875][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4884.181875][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4884.181875][ T1167] netlink_rcv_skb+0x130/0x360 [ 4884.181875][ T1167] netlink_unicast+0x449/0x710 [ 4884.181875][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4884.181875][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4884.181875][ T1167] ___sys_sendmsg+0xee/0x170 [ 4884.181875][ T1167] __sys_sendmsg+0xcd/0x170 [ 4884.181875][ T1167] do_syscall_64+0xc6/0x1e0 [ 4884.181875][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4884.181875][ T1167] [ 4884.183785][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4884.183785][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4884.183785][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4884.183785][ T1167] ipv6_find_idev+0x102/0x170 [ 4884.183785][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4884.183785][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4884.183785][ T1167] netlink_rcv_skb+0x130/0x360 [ 4884.183785][ T1167] netlink_unicast+0x449/0x710 [ 4884.183785][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4884.183785][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4884.183785][ T1167] ___sys_sendmsg+0xee/0x170 [ 4884.183785][ T1167] __sys_sendmsg+0xcd/0x170 [ 4884.183785][ T1167] do_syscall_64+0xc6/0x1e0 [ 4884.183785][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4884.183785][ T1167] [ 4890.313090][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4890.313561][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4890.313561][ T10] netdev_get_by_index+0x5e/0x80 [ 4890.313561][ T10] fib6_nh_init+0x3d8/0x1580 [ 4890.313561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4890.313561][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4890.313561][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4890.313561][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4890.313561][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4890.313561][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4890.313561][ T10] addrconf_dad_begin+0x310/0x670 [ 4890.313561][ T10] addrconf_dad_work+0x10b/0xab0 [ 4890.313561][ T10] process_one_work+0x84d/0x18a0 [ 4890.313561][ T10] worker_thread+0x587/0xd30 [ 4890.313561][ T10] kthread+0x28a/0x350 [ 4890.313561][ T10] ret_from_fork+0x31/0x70 [ 4890.313561][ T10] ret_from_fork_asm+0x1a/0x30 [ 4890.313561][ T10] [ 4890.315848][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4890.315848][ T10] netdev_get_by_index+0x5e/0x80 [ 4890.315848][ T10] fib6_nh_init+0x3d8/0x1580 [ 4890.315848][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4890.315848][ T10] ip6_route_add+0x1c/0x140 [ 4890.315848][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4890.315848][ T10] inet6_addr_add+0x4f8/0xa40 [ 4890.315848][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4890.315848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4890.315848][ T10] netlink_rcv_skb+0x130/0x360 [ 4890.315848][ T10] netlink_unicast+0x449/0x710 [ 4890.315848][ T10] netlink_sendmsg+0x723/0xbe0 [ 4890.315848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4890.315848][ T10] ___sys_sendmsg+0xee/0x170 [ 4890.315848][ T10] __sys_sendmsg+0xcd/0x170 [ 4890.315848][ T10] do_syscall_64+0xc6/0x1e0 [ 4890.315848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4890.315848][ T10] [ 4890.318218][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4890.318218][ T10] netdev_get_by_index+0x5e/0x80 [ 4890.318218][ T10] fib6_nh_init+0x3d8/0x1580 [ 4890.318218][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4890.318218][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4890.318218][ T10] ipv6_add_addr+0x411/0x2000 [ 4890.318218][ T10] inet6_addr_add+0x30e/0xa40 [ 4890.318218][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4890.318218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4890.318218][ T10] netlink_rcv_skb+0x130/0x360 [ 4890.318218][ T10] netlink_unicast+0x449/0x710 [ 4890.318218][ T10] netlink_sendmsg+0x723/0xbe0 [ 4890.318218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4890.318218][ T10] ___sys_sendmsg+0xee/0x170 [ 4890.318218][ T10] __sys_sendmsg+0xcd/0x170 [ 4890.318218][ T10] do_syscall_64+0xc6/0x1e0 [ 4890.318218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4890.318218][ T10] [ 4890.320569][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4890.320569][ T10] netdev_get_by_index+0x5e/0x80 [ 4890.320569][ T10] fib6_nh_init+0x3d8/0x1580 [ 4890.320569][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4890.320569][ T10] ip6_route_add+0x1c/0x140 [ 4890.320569][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4890.320569][ T10] addrconf_add_dev+0xe2/0x170 [ 4890.320569][ T10] inet6_addr_add+0x12f/0xa40 [ 4890.320569][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4890.320569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4890.320569][ T10] netlink_rcv_skb+0x130/0x360 [ 4890.320569][ T10] netlink_unicast+0x449/0x710 [ 4890.320569][ T10] netlink_sendmsg+0x723/0xbe0 [ 4890.320569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4890.320569][ T10] ___sys_sendmsg+0xee/0x170 [ 4890.320569][ T10] __sys_sendmsg+0xcd/0x170 [ 4890.320569][ T10] do_syscall_64+0xc6/0x1e0 [ 4890.320569][ T10] [ 4890.322876][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4890.322876][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4890.322876][ T10] ipv6_find_idev+0x102/0x170 [ 4890.322876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4890.322876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4890.322876][ T10] netlink_rcv_skb+0x130/0x360 [ 4890.322876][ T10] netlink_unicast+0x449/0x710 [ 4890.322876][ T10] netlink_sendmsg+0x723/0xbe0 [ 4890.322876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4890.322876][ T10] ___sys_sendmsg+0xee/0x170 [ 4890.322876][ T10] __sys_sendmsg+0xcd/0x170 [ 4890.322876][ T10] do_syscall_64+0xc6/0x1e0 [ 4890.322876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4890.322876][ T10] [ 4890.324616][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4890.324616][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4890.324616][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4890.324616][ T10] ipv6_find_idev+0x102/0x170 [ 4890.324616][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4890.324616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4890.324616][ T10] netlink_rcv_skb+0x130/0x360 [ 4890.324616][ T10] netlink_unicast+0x449/0x710 [ 4890.324616][ T10] netlink_sendmsg+0x723/0xbe0 [ 4890.324616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4890.324616][ T10] ___sys_sendmsg+0xee/0x170 [ 4890.324616][ T10] __sys_sendmsg+0xcd/0x170 [ 4890.324616][ T10] do_syscall_64+0xc6/0x1e0 [ 4890.324616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4890.324616][ T10] [ 4890.326551][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4890.326828][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4890.326828][ T10] netdev_get_by_index+0x5e/0x80 [ 4890.326828][ T10] fib6_nh_init+0x3d8/0x1580 [ 4890.326828][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4890.326828][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4890.326828][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4890.326828][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4890.326828][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4890.326828][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4890.326828][ T10] addrconf_dad_begin+0x310/0x670 [ 4890.326828][ T10] addrconf_dad_work+0x10b/0xab0 [ 4890.326828][ T10] process_one_work+0x84d/0x18a0 [ 4890.326828][ T10] worker_thread+0x587/0xd30 [ 4890.326828][ T10] kthread+0x28a/0x350 [ 4890.326828][ T10] ret_from_fork+0x31/0x70 [ 4890.326828][ T10] ret_from_fork_asm+0x1a/0x30 [ 4890.326828][ T10] [ 4890.329029][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4890.329029][ T10] netdev_get_by_index+0x5e/0x80 [ 4890.329029][ T10] fib6_nh_init+0x3d8/0x1580 [ 4890.329029][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4890.329029][ T10] ip6_route_add+0x1c/0x140 [ 4890.329029][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4890.329029][ T10] inet6_addr_add+0x4f8/0xa40 [ 4890.329029][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4890.329029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4890.329029][ T10] netlink_rcv_skb+0x130/0x360 [ 4890.329029][ T10] netlink_unicast+0x449/0x710 [ 4890.329029][ T10] netlink_sendmsg+0x723/0xbe0 [ 4890.329029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4890.329029][ T10] ___sys_sendmsg+0xee/0x170 [ 4890.329029][ T10] __sys_sendmsg+0xcd/0x170 [ 4890.329029][ T10] do_syscall_64+0xc6/0x1e0 [ 4890.329029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4890.329029][ T10] [ 4890.331375][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4890.331375][ T10] netdev_get_by_index+0x5e/0x80 [ 4890.331375][ T10] fib6_nh_init+0x3d8/0x1580 [ 4890.331375][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4890.331375][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4890.331375][ T10] ipv6_add_addr+0x411/0x2000 [ 4890.331375][ T10] inet6_addr_add+0x30e/0xa40 [ 4890.331375][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4890.331375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4890.331375][ T10] netlink_rcv_skb+0x130/0x360 [ 4890.331375][ T10] netlink_unicast+0x449/0x710 [ 4890.331375][ T10] netlink_sendmsg+0x723/0xbe0 [ 4890.331375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4890.331375][ T10] ___sys_sendmsg+0xee/0x170 [ 4890.331375][ T10] __sys_sendmsg+0xcd/0x170 [ 4890.331375][ T10] do_syscall_64+0xc6/0x1e0 [ 4890.331375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4890.331375][ T10] [ 4890.333753][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4890.333753][ T10] netdev_get_by_index+0x5e/0x80 [ 4890.333753][ T10] fib6_nh_init+0x3d8/0x1580 [ 4890.333753][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4890.333753][ T10] ip6_route_add+0x1c/0x140 [ 4890.333753][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4890.333753][ T10] addrconf_add_dev+0xe2/0x170 [ 4890.333753][ T10] inet6_addr_add+0x12f/0xa40 [ 4890.333753][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4890.333753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4890.333753][ T10] netlink_rcv_skb+0x130/0x360 [ 4890.333753][ T10] netlink_unicast+0x449/0x710 [ 4890.333753][ T10] netlink_sendmsg+0x723/0xbe0 [ 4890.333753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4890.333753][ T10] ___sys_sendmsg+0xee/0x170 [ 4890.333753][ T10] __sys_sendmsg+0xcd/0x170 [ 4890.333753][ T10] do_syscall_64+0xc6/0x1e0 [ 4890.333753][ T10] [ 4890.336122][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4890.336122][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4890.336122][ T10] ipv6_find_idev+0x102/0x170 [ 4890.336122][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4890.336122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4890.336122][ T10] netlink_rcv_skb+0x130/0x360 [ 4890.336122][ T10] netlink_unicast+0x449/0x710 [ 4890.336122][ T10] netlink_sendmsg+0x723/0xbe0 [ 4890.336122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4890.336122][ T10] ___sys_sendmsg+0xee/0x170 [ 4890.336122][ T10] __sys_sendmsg+0xcd/0x170 [ 4890.336122][ T10] do_syscall_64+0xc6/0x1e0 [ 4890.336122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4890.336122][ T10] [ 4890.337970][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4890.337970][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4890.337970][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4890.337970][ T10] ipv6_find_idev+0x102/0x170 [ 4890.337970][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4890.337970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4890.337970][ T10] netlink_rcv_skb+0x130/0x360 [ 4890.337970][ T10] netlink_unicast+0x449/0x710 [ 4890.337970][ T10] netlink_sendmsg+0x723/0xbe0 [ 4890.337970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4890.337970][ T10] ___sys_sendmsg+0xee/0x170 [ 4890.337970][ T10] __sys_sendmsg+0xcd/0x170 [ 4890.337970][ T10] do_syscall_64+0xc6/0x1e0 [ 4890.337970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4890.337970][ T10] [ 4890.340029][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4890.340353][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4890.340353][ T10] netdev_get_by_index+0x5e/0x80 [ 4890.340353][ T10] fib6_nh_init+0x3d8/0x1580 [ 4890.340353][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4890.340353][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4890.340353][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4890.340353][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4890.340353][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4890.340353][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4890.340353][ T10] addrconf_dad_begin+0x310/0x670 [ 4890.340353][ T10] addrconf_dad_work+0x10b/0xab0 [ 4890.340353][ T10] process_one_work+0x84d/0x18a0 [ 4890.340353][ T10] worker_thread+0x587/0xd30 [ 4890.340353][ T10] kthread+0x28a/0x350 [ 4890.340353][ T10] ret_from_fork+0x31/0x70 [ 4890.340353][ T10] ret_from_fork_asm+0x1a/0x30 [ 4890.340353][ T10] [ 4890.342632][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4890.342632][ T10] netdev_get_by_index+0x5e/0x80 [ 4890.342632][ T10] fib6_nh_init+0x3d8/0x1580 [ 4890.342632][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4890.342632][ T10] ip6_route_add+0x1c/0x140 [ 4890.342632][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4890.342632][ T10] inet6_addr_add+0x4f8/0xa40 [ 4890.342632][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4890.342632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4890.342632][ T10] netlink_rcv_skb+0x130/0x360 [ 4890.342632][ T10] netlink_unicast+0x449/0x710 [ 4890.342632][ T10] netlink_sendmsg+0x723/0xbe0 [ 4890.342632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4890.342632][ T10] ___sys_sendmsg+0xee/0x170 [ 4890.342632][ T10] __sys_sendmsg+0xcd/0x170 [ 4890.342632][ T10] do_syscall_64+0xc6/0x1e0 [ 4890.342632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4890.342632][ T10] [ 4890.345087][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4890.345087][ T10] netdev_get_by_index+0x5e/0x80 [ 4890.345087][ T10] fib6_nh_init+0x3d8/0x1580 [ 4890.345087][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4890.345087][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4890.345087][ T10] ipv6_add_addr+0x411/0x2000 [ 4890.345087][ T10] inet6_addr_add+0x30e/0xa40 [ 4890.345087][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4890.345087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4890.345087][ T10] netlink_rcv_skb+0x130/0x360 [ 4890.345087][ T10] netlink_unicast+0x449/0x710 [ 4890.345087][ T10] netlink_sendmsg+0x723/0xbe0 [ 4890.345087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4890.345087][ T10] ___sys_sendmsg+0xee/0x170 [ 4890.345087][ T10] __sys_sendmsg+0xcd/0x170 [ 4890.345087][ T10] do_syscall_64+0xc6/0x1e0 [ 4890.345087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4890.345087][ T10] [ 4890.347576][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4890.347576][ T10] netdev_get_by_index+0x5e/0x80 [ 4890.347576][ T10] fib6_nh_init+0x3d8/0x1580 [ 4890.347576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4890.347576][ T10] ip6_route_add+0x1c/0x140 [ 4890.347576][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4890.347576][ T10] addrconf_add_dev+0xe2/0x170 [ 4890.347576][ T10] inet6_addr_add+0x12f/0xa40 [ 4890.347576][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4890.347576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4890.347576][ T10] netlink_rcv_skb+0x130/0x360 [ 4890.347576][ T10] netlink_unicast+0x449/0x710 [ 4890.347576][ T10] netlink_sendmsg+0x723/0xbe0 [ 4890.347576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4890.347576][ T10] ___sys_sendmsg+0xee/0x170 [ 4890.347576][ T10] __sys_sendmsg+0xcd/0x170 [ 4890.347576][ T10] do_syscall_64+0xc6/0x1e0 [ 4890.347576][ T10] [ 4890.350174][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4890.350174][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4890.350174][ T10] ipv6_find_idev+0x102/0x170 [ 4890.350174][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4890.350174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4890.350174][ T10] netlink_rcv_skb+0x130/0x360 [ 4890.350174][ T10] netlink_unicast+0x449/0x710 [ 4890.350174][ T10] netlink_sendmsg+0x723/0xbe0 [ 4890.350174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4890.350174][ T10] ___sys_sendmsg+0xee/0x170 [ 4890.350174][ T10] __sys_sendmsg+0xcd/0x170 [ 4890.350174][ T10] do_syscall_64+0xc6/0x1e0 [ 4890.350174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4890.350174][ T10] [ 4890.352216][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4890.352216][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4890.352216][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4890.352216][ T10] ipv6_find_idev+0x102/0x170 [ 4890.352216][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4890.352216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4890.352216][ T10] netlink_rcv_skb+0x130/0x360 [ 4890.352216][ T10] netlink_unicast+0x449/0x710 [ 4890.352216][ T10] netlink_sendmsg+0x723/0xbe0 [ 4890.352216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4890.352216][ T10] ___sys_sendmsg+0xee/0x170 [ 4890.352216][ T10] __sys_sendmsg+0xcd/0x170 [ 4890.352216][ T10] do_syscall_64+0xc6/0x1e0 [ 4890.352216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4890.352216][ T10] [ 4890.354463][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4890.354728][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4890.354728][ T10] netdev_get_by_index+0x5e/0x80 [ 4890.354728][ T10] fib6_nh_init+0x3d8/0x1580 [ 4890.354728][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4890.354728][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4890.354728][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4890.354728][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4890.354728][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4890.354728][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4890.354728][ T10] addrconf_dad_begin+0x310/0x670 [ 4890.354728][ T10] addrconf_dad_work+0x10b/0xab0 [ 4890.354728][ T10] process_one_work+0x84d/0x18a0 [ 4890.354728][ T10] worker_thread+0x587/0xd30 [ 4890.354728][ T10] kthread+0x28a/0x350 [ 4890.354728][ T10] ret_from_fork+0x31/0x70 [ 4890.354728][ T10] ret_from_fork_asm+0x1a/0x30 [ 4890.354728][ T10] [ 4890.357288][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4890.357288][ T10] netdev_get_by_index+0x5e/0x80 [ 4890.357288][ T10] fib6_nh_init+0x3d8/0x1580 [ 4890.357288][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4890.357288][ T10] ip6_route_add+0x1c/0x140 [ 4890.357288][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4890.357288][ T10] inet6_addr_add+0x4f8/0xa40 [ 4890.357288][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4890.357288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4890.357288][ T10] netlink_rcv_skb+0x130/0x360 [ 4890.357288][ T10] netlink_unicast+0x449/0x710 [ 4890.357288][ T10] netlink_sendmsg+0x723/0xbe0 [ 4890.357288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4890.357288][ T10] ___sys_sendmsg+0xee/0x170 [ 4890.357288][ T10] __sys_sendmsg+0xcd/0x170 [ 4890.357288][ T10] do_syscall_64+0xc6/0x1e0 [ 4890.357288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4890.357288][ T10] [ 4890.359928][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4890.359928][ T10] netdev_get_by_index+0x5e/0x80 [ 4890.359928][ T10] fib6_nh_init+0x3d8/0x1580 [ 4890.359928][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4890.359928][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4890.359928][ T10] ipv6_add_addr+0x411/0x2000 [ 4890.359928][ T10] inet6_addr_add+0x30e/0xa40 [ 4890.359928][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4890.359928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4890.359928][ T10] netlink_rcv_skb+0x130/0x360 [ 4890.359928][ T10] netlink_unicast+0x449/0x710 [ 4890.359928][ T10] netlink_sendmsg+0x723/0xbe0 [ 4890.359928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4890.359928][ T10] ___sys_sendmsg+0xee/0x170 [ 4890.359928][ T10] __sys_sendmsg+0xcd/0x170 [ 4890.359928][ T10] do_syscall_64+0xc6/0x1e0 [ 4890.359928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4890.359928][ T10] [ 4890.362428][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4890.362428][ T10] netdev_get_by_index+0x5e/0x80 [ 4890.362428][ T10] fib6_nh_init+0x3d8/0x1580 [ 4890.362428][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4890.362428][ T10] ip6_route_add+0x1c/0x140 [ 4890.362428][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4890.362428][ T10] addrconf_add_dev+0xe2/0x170 [ 4890.362428][ T10] inet6_addr_add+0x12f/0xa40 [ 4890.362428][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4890.362428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4890.362428][ T10] netlink_rcv_skb+0x130/0x360 [ 4890.362428][ T10] netlink_unicast+0x449/0x710 [ 4890.362428][ T10] netlink_sendmsg+0x723/0xbe0 [ 4890.362428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4890.362428][ T10] ___sys_sendmsg+0xee/0x170 [ 4890.362428][ T10] __sys_sendmsg+0xcd/0x170 [ 4890.362428][ T10] do_syscall_64+0xc6/0x1e0 [ 4890.362428][ T10] [ 4890.365050][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4890.365050][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4890.365050][ T10] ipv6_find_idev+0x102/0x170 [ 4890.365050][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4890.365050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4890.365050][ T10] netlink_rcv_skb+0x130/0x360 [ 4890.365050][ T10] netlink_unicast+0x449/0x710 [ 4890.365050][ T10] netlink_sendmsg+0x723/0xbe0 [ 4890.365050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4890.365050][ T10] ___sys_sendmsg+0xee/0x170 [ 4890.365050][ T10] __sys_sendmsg+0xcd/0x170 [ 4890.365050][ T10] do_syscall_64+0xc6/0x1e0 [ 4890.365050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4890.365050][ T10] [ 4890.367104][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4890.367104][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4890.367104][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4890.367104][ T10] ipv6_find_idev+0x102/0x170 [ 4890.367104][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4890.367104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4890.367104][ T10] netlink_rcv_skb+0x130/0x360 [ 4890.367104][ T10] netlink_unicast+0x449/0x710 [ 4890.367104][ T10] netlink_sendmsg+0x723/0xbe0 [ 4890.367104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4890.367104][ T10] ___sys_sendmsg+0xee/0x170 [ 4890.367104][ T10] __sys_sendmsg+0xcd/0x170 [ 4890.367104][ T10] do_syscall_64+0xc6/0x1e0 [ 4890.367104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4890.367104][ T10] [ 4894.393108][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4894.393627][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4894.393627][ T1167] dst_init+0x84/0x4a0 [ 4894.393627][ T1167] dst_alloc+0x97/0x150 [ 4894.393627][ T1167] ip6_dst_alloc+0x23/0x90 [ 4894.393627][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4894.393627][ T1167] ip6_pol_route+0x56f/0x840 [ 4894.393627][ T1167] fib6_rule_lookup+0x334/0x630 [ 4894.393627][ T1167] ip6_route_output_flags+0x259/0x480 [ 4894.393627][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4894.393627][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4894.393627][ T1167] netlink_rcv_skb+0x130/0x360 [ 4894.393627][ T1167] netlink_unicast+0x449/0x710 [ 4894.393627][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4894.393627][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4894.393627][ T1167] ___sys_sendmsg+0xee/0x170 [ 4894.393627][ T1167] __sys_sendmsg+0xcd/0x170 [ 4894.393627][ T1167] do_syscall_64+0xc6/0x1e0 [ 4894.393627][ T1167] [ 4894.395920][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4894.395920][ T1167] netdev_get_by_index+0x5e/0x80 [ 4894.395920][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4894.395920][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4894.395920][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4894.395920][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4894.395920][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4894.395920][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4894.395920][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4894.395920][ T1167] addrconf_dad_begin+0x310/0x670 [ 4894.395920][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4894.395920][ T1167] process_one_work+0x84d/0x18a0 [ 4894.395920][ T1167] worker_thread+0x587/0xd30 [ 4894.395920][ T1167] kthread+0x28a/0x350 [ 4894.395920][ T1167] ret_from_fork+0x31/0x70 [ 4894.395920][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4894.395920][ T1167] [ 4894.398087][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4894.398087][ T1167] netdev_get_by_index+0x5e/0x80 [ 4894.398087][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4894.398087][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4894.398087][ T1167] ip6_route_add+0x1c/0x140 [ 4894.398087][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4894.398087][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4894.398087][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4894.398087][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4894.398087][ T1167] netlink_rcv_skb+0x130/0x360 [ 4894.398087][ T1167] netlink_unicast+0x449/0x710 [ 4894.398087][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4894.398087][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4894.398087][ T1167] ___sys_sendmsg+0xee/0x170 [ 4894.398087][ T1167] __sys_sendmsg+0xcd/0x170 [ 4894.398087][ T1167] do_syscall_64+0xc6/0x1e0 [ 4894.398087][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4894.398087][ T1167] [ 4894.400362][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4894.400362][ T1167] netdev_get_by_index+0x5e/0x80 [ 4894.400362][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4894.400362][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4894.400362][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4894.400362][ T1167] ipv6_add_addr+0x411/0x2000 [ 4894.400362][ T1167] inet6_addr_add+0x30e/0xa40 [ 4894.400362][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4894.400362][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4894.400362][ T1167] netlink_rcv_skb+0x130/0x360 [ 4894.400362][ T1167] netlink_unicast+0x449/0x710 [ 4894.400362][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4894.400362][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4894.400362][ T1167] ___sys_sendmsg+0xee/0x170 [ 4894.400362][ T1167] __sys_sendmsg+0xcd/0x170 [ 4894.400362][ T1167] do_syscall_64+0xc6/0x1e0 [ 4894.400362][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4894.400362][ T1167] [ 4894.402619][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4894.402619][ T1167] netdev_get_by_index+0x5e/0x80 [ 4894.402619][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4894.402619][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4894.402619][ T1167] ip6_route_add+0x1c/0x140 [ 4894.402619][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4894.402619][ T1167] addrconf_add_dev+0xe2/0x170 [ 4894.402619][ T1167] inet6_addr_add+0x12f/0xa40 [ 4894.402619][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4894.402619][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4894.402619][ T1167] netlink_rcv_skb+0x130/0x360 [ 4894.402619][ T1167] netlink_unicast+0x449/0x710 [ 4894.402619][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4894.402619][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4894.402619][ T1167] ___sys_sendmsg+0xee/0x170 [ 4894.402619][ T1167] __sys_sendmsg+0xcd/0x170 [ 4894.402619][ T1167] do_syscall_64+0xc6/0x1e0 [ 4894.402619][ T1167] [ 4894.404850][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4894.404850][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4894.404850][ T1167] ipv6_find_idev+0x102/0x170 [ 4894.404850][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4894.404850][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4894.404850][ T1167] netlink_rcv_skb+0x130/0x360 [ 4894.404850][ T1167] netlink_unicast+0x449/0x710 [ 4894.404850][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4894.404850][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4894.404850][ T1167] ___sys_sendmsg+0xee/0x170 [ 4894.404850][ T1167] __sys_sendmsg+0xcd/0x170 [ 4894.404850][ T1167] do_syscall_64+0xc6/0x1e0 [ 4894.404850][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4894.404850][ T1167] [ 4894.406607][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4894.406607][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4894.406607][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4894.406607][ T1167] ipv6_find_idev+0x102/0x170 [ 4894.406607][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4894.406607][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4894.406607][ T1167] netlink_rcv_skb+0x130/0x360 [ 4894.406607][ T1167] netlink_unicast+0x449/0x710 [ 4894.406607][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4894.406607][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4894.406607][ T1167] ___sys_sendmsg+0xee/0x170 [ 4894.406607][ T1167] __sys_sendmsg+0xcd/0x170 [ 4894.406607][ T1167] do_syscall_64+0xc6/0x1e0 [ 4894.406607][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4894.406607][ T1167] [ 4900.537116][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4900.537601][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4900.537601][ T10] netdev_get_by_index+0x5e/0x80 [ 4900.537601][ T10] fib6_nh_init+0x3d8/0x1580 [ 4900.537601][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4900.537601][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4900.537601][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4900.537601][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4900.537601][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4900.537601][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4900.537601][ T10] addrconf_dad_begin+0x310/0x670 [ 4900.537601][ T10] addrconf_dad_work+0x10b/0xab0 [ 4900.537601][ T10] process_one_work+0x84d/0x18a0 [ 4900.537601][ T10] worker_thread+0x587/0xd30 [ 4900.537601][ T10] kthread+0x28a/0x350 [ 4900.537601][ T10] ret_from_fork+0x31/0x70 [ 4900.537601][ T10] ret_from_fork_asm+0x1a/0x30 [ 4900.537601][ T10] [ 4900.539792][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4900.539792][ T10] netdev_get_by_index+0x5e/0x80 [ 4900.539792][ T10] fib6_nh_init+0x3d8/0x1580 [ 4900.539792][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4900.539792][ T10] ip6_route_add+0x1c/0x140 [ 4900.539792][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4900.539792][ T10] inet6_addr_add+0x4f8/0xa40 [ 4900.539792][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4900.539792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.539792][ T10] netlink_rcv_skb+0x130/0x360 [ 4900.539792][ T10] netlink_unicast+0x449/0x710 [ 4900.539792][ T10] netlink_sendmsg+0x723/0xbe0 [ 4900.539792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4900.539792][ T10] ___sys_sendmsg+0xee/0x170 [ 4900.539792][ T10] __sys_sendmsg+0xcd/0x170 [ 4900.539792][ T10] do_syscall_64+0xc6/0x1e0 [ 4900.539792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.539792][ T10] [ 4900.542035][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4900.542035][ T10] netdev_get_by_index+0x5e/0x80 [ 4900.542035][ T10] fib6_nh_init+0x3d8/0x1580 [ 4900.542035][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4900.542035][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4900.542035][ T10] ipv6_add_addr+0x411/0x2000 [ 4900.542035][ T10] inet6_addr_add+0x30e/0xa40 [ 4900.542035][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4900.542035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.542035][ T10] netlink_rcv_skb+0x130/0x360 [ 4900.542035][ T10] netlink_unicast+0x449/0x710 [ 4900.542035][ T10] netlink_sendmsg+0x723/0xbe0 [ 4900.542035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4900.542035][ T10] ___sys_sendmsg+0xee/0x170 [ 4900.542035][ T10] __sys_sendmsg+0xcd/0x170 [ 4900.542035][ T10] do_syscall_64+0xc6/0x1e0 [ 4900.542035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.542035][ T10] [ 4900.544263][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4900.544263][ T10] netdev_get_by_index+0x5e/0x80 [ 4900.544263][ T10] fib6_nh_init+0x3d8/0x1580 [ 4900.544263][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4900.544263][ T10] ip6_route_add+0x1c/0x140 [ 4900.544263][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4900.544263][ T10] addrconf_add_dev+0xe2/0x170 [ 4900.544263][ T10] inet6_addr_add+0x12f/0xa40 [ 4900.544263][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4900.544263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.544263][ T10] netlink_rcv_skb+0x130/0x360 [ 4900.544263][ T10] netlink_unicast+0x449/0x710 [ 4900.544263][ T10] netlink_sendmsg+0x723/0xbe0 [ 4900.544263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4900.544263][ T10] ___sys_sendmsg+0xee/0x170 [ 4900.544263][ T10] __sys_sendmsg+0xcd/0x170 [ 4900.544263][ T10] do_syscall_64+0xc6/0x1e0 [ 4900.544263][ T10] [ 4900.546486][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4900.546486][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4900.546486][ T10] ipv6_find_idev+0x102/0x170 [ 4900.546486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4900.546486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.546486][ T10] netlink_rcv_skb+0x130/0x360 [ 4900.546486][ T10] netlink_unicast+0x449/0x710 [ 4900.546486][ T10] netlink_sendmsg+0x723/0xbe0 [ 4900.546486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4900.546486][ T10] ___sys_sendmsg+0xee/0x170 [ 4900.546486][ T10] __sys_sendmsg+0xcd/0x170 [ 4900.546486][ T10] do_syscall_64+0xc6/0x1e0 [ 4900.546486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.546486][ T10] [ 4900.548201][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4900.548201][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4900.548201][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4900.548201][ T10] ipv6_find_idev+0x102/0x170 [ 4900.548201][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4900.548201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.548201][ T10] netlink_rcv_skb+0x130/0x360 [ 4900.548201][ T10] netlink_unicast+0x449/0x710 [ 4900.548201][ T10] netlink_sendmsg+0x723/0xbe0 [ 4900.548201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4900.548201][ T10] ___sys_sendmsg+0xee/0x170 [ 4900.548201][ T10] __sys_sendmsg+0xcd/0x170 [ 4900.548201][ T10] do_syscall_64+0xc6/0x1e0 [ 4900.548201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.548201][ T10] [ 4900.550069][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4900.550376][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4900.550376][ T10] netdev_get_by_index+0x5e/0x80 [ 4900.550376][ T10] fib6_nh_init+0x3d8/0x1580 [ 4900.550376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4900.550376][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4900.550376][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4900.550376][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4900.550376][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4900.550376][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4900.550376][ T10] addrconf_dad_begin+0x310/0x670 [ 4900.550376][ T10] addrconf_dad_work+0x10b/0xab0 [ 4900.550376][ T10] process_one_work+0x84d/0x18a0 [ 4900.550376][ T10] worker_thread+0x587/0xd30 [ 4900.550376][ T10] kthread+0x28a/0x350 [ 4900.550376][ T10] ret_from_fork+0x31/0x70 [ 4900.550376][ T10] ret_from_fork_asm+0x1a/0x30 [ 4900.550376][ T10] [ 4900.552529][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4900.552529][ T10] netdev_get_by_index+0x5e/0x80 [ 4900.552529][ T10] fib6_nh_init+0x3d8/0x1580 [ 4900.552529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4900.552529][ T10] ip6_route_add+0x1c/0x140 [ 4900.552529][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4900.552529][ T10] inet6_addr_add+0x4f8/0xa40 [ 4900.552529][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4900.552529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.552529][ T10] netlink_rcv_skb+0x130/0x360 [ 4900.552529][ T10] netlink_unicast+0x449/0x710 [ 4900.552529][ T10] netlink_sendmsg+0x723/0xbe0 [ 4900.552529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4900.552529][ T10] ___sys_sendmsg+0xee/0x170 [ 4900.552529][ T10] __sys_sendmsg+0xcd/0x170 [ 4900.552529][ T10] do_syscall_64+0xc6/0x1e0 [ 4900.552529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.552529][ T10] [ 4900.554765][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4900.554765][ T10] netdev_get_by_index+0x5e/0x80 [ 4900.554765][ T10] fib6_nh_init+0x3d8/0x1580 [ 4900.554765][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4900.554765][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4900.554765][ T10] ipv6_add_addr+0x411/0x2000 [ 4900.554765][ T10] inet6_addr_add+0x30e/0xa40 [ 4900.554765][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4900.554765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.554765][ T10] netlink_rcv_skb+0x130/0x360 [ 4900.554765][ T10] netlink_unicast+0x449/0x710 [ 4900.554765][ T10] netlink_sendmsg+0x723/0xbe0 [ 4900.554765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4900.554765][ T10] ___sys_sendmsg+0xee/0x170 [ 4900.554765][ T10] __sys_sendmsg+0xcd/0x170 [ 4900.554765][ T10] do_syscall_64+0xc6/0x1e0 [ 4900.554765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.554765][ T10] [ 4900.557031][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4900.557031][ T10] netdev_get_by_index+0x5e/0x80 [ 4900.557031][ T10] fib6_nh_init+0x3d8/0x1580 [ 4900.557031][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4900.557031][ T10] ip6_route_add+0x1c/0x140 [ 4900.557031][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4900.557031][ T10] addrconf_add_dev+0xe2/0x170 [ 4900.557031][ T10] inet6_addr_add+0x12f/0xa40 [ 4900.557031][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4900.557031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.557031][ T10] netlink_rcv_skb+0x130/0x360 [ 4900.557031][ T10] netlink_unicast+0x449/0x710 [ 4900.557031][ T10] netlink_sendmsg+0x723/0xbe0 [ 4900.557031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4900.557031][ T10] ___sys_sendmsg+0xee/0x170 [ 4900.557031][ T10] __sys_sendmsg+0xcd/0x170 [ 4900.557031][ T10] do_syscall_64+0xc6/0x1e0 [ 4900.557031][ T10] [ 4900.559244][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4900.559244][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4900.559244][ T10] ipv6_find_idev+0x102/0x170 [ 4900.559244][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4900.559244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.559244][ T10] netlink_rcv_skb+0x130/0x360 [ 4900.559244][ T10] netlink_unicast+0x449/0x710 [ 4900.559244][ T10] netlink_sendmsg+0x723/0xbe0 [ 4900.559244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4900.559244][ T10] ___sys_sendmsg+0xee/0x170 [ 4900.559244][ T10] __sys_sendmsg+0xcd/0x170 [ 4900.559244][ T10] do_syscall_64+0xc6/0x1e0 [ 4900.559244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.559244][ T10] [ 4900.560971][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4900.560971][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4900.560971][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4900.560971][ T10] ipv6_find_idev+0x102/0x170 [ 4900.560971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4900.560971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.560971][ T10] netlink_rcv_skb+0x130/0x360 [ 4900.560971][ T10] netlink_unicast+0x449/0x710 [ 4900.560971][ T10] netlink_sendmsg+0x723/0xbe0 [ 4900.560971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4900.560971][ T10] ___sys_sendmsg+0xee/0x170 [ 4900.560971][ T10] __sys_sendmsg+0xcd/0x170 [ 4900.560971][ T10] do_syscall_64+0xc6/0x1e0 [ 4900.560971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.560971][ T10] [ 4900.562870][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4900.563153][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4900.563153][ T10] netdev_get_by_index+0x5e/0x80 [ 4900.563153][ T10] fib6_nh_init+0x3d8/0x1580 [ 4900.563153][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4900.563153][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4900.563153][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4900.563153][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4900.563153][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4900.563153][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4900.563153][ T10] addrconf_dad_begin+0x310/0x670 [ 4900.563153][ T10] addrconf_dad_work+0x10b/0xab0 [ 4900.563153][ T10] process_one_work+0x84d/0x18a0 [ 4900.563153][ T10] worker_thread+0x587/0xd30 [ 4900.563153][ T10] kthread+0x28a/0x350 [ 4900.563153][ T10] ret_from_fork+0x31/0x70 [ 4900.563153][ T10] ret_from_fork_asm+0x1a/0x30 [ 4900.563153][ T10] [ 4900.565313][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4900.565313][ T10] netdev_get_by_index+0x5e/0x80 [ 4900.565313][ T10] fib6_nh_init+0x3d8/0x1580 [ 4900.565313][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4900.565313][ T10] ip6_route_add+0x1c/0x140 [ 4900.565313][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4900.565313][ T10] inet6_addr_add+0x4f8/0xa40 [ 4900.565313][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4900.565313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.565313][ T10] netlink_rcv_skb+0x130/0x360 [ 4900.565313][ T10] netlink_unicast+0x449/0x710 [ 4900.565313][ T10] netlink_sendmsg+0x723/0xbe0 [ 4900.565313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4900.565313][ T10] ___sys_sendmsg+0xee/0x170 [ 4900.565313][ T10] __sys_sendmsg+0xcd/0x170 [ 4900.565313][ T10] do_syscall_64+0xc6/0x1e0 [ 4900.565313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.565313][ T10] [ 4900.567688][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4900.567688][ T10] netdev_get_by_index+0x5e/0x80 [ 4900.567688][ T10] fib6_nh_init+0x3d8/0x1580 [ 4900.567688][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4900.567688][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4900.567688][ T10] ipv6_add_addr+0x411/0x2000 [ 4900.567688][ T10] inet6_addr_add+0x30e/0xa40 [ 4900.567688][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4900.567688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.567688][ T10] netlink_rcv_skb+0x130/0x360 [ 4900.567688][ T10] netlink_unicast+0x449/0x710 [ 4900.567688][ T10] netlink_sendmsg+0x723/0xbe0 [ 4900.567688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4900.567688][ T10] ___sys_sendmsg+0xee/0x170 [ 4900.567688][ T10] __sys_sendmsg+0xcd/0x170 [ 4900.567688][ T10] do_syscall_64+0xc6/0x1e0 [ 4900.567688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.567688][ T10] [ 4900.570244][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4900.570244][ T10] netdev_get_by_index+0x5e/0x80 [ 4900.570244][ T10] fib6_nh_init+0x3d8/0x1580 [ 4900.570244][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4900.570244][ T10] ip6_route_add+0x1c/0x140 [ 4900.570244][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4900.570244][ T10] addrconf_add_dev+0xe2/0x170 [ 4900.570244][ T10] inet6_addr_add+0x12f/0xa40 [ 4900.570244][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4900.570244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.570244][ T10] netlink_rcv_skb+0x130/0x360 [ 4900.570244][ T10] netlink_unicast+0x449/0x710 [ 4900.570244][ T10] netlink_sendmsg+0x723/0xbe0 [ 4900.570244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4900.570244][ T10] ___sys_sendmsg+0xee/0x170 [ 4900.570244][ T10] __sys_sendmsg+0xcd/0x170 [ 4900.570244][ T10] do_syscall_64+0xc6/0x1e0 [ 4900.570244][ T10] [ 4900.572636][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4900.572636][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4900.572636][ T10] ipv6_find_idev+0x102/0x170 [ 4900.572636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4900.572636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.572636][ T10] netlink_rcv_skb+0x130/0x360 [ 4900.572636][ T10] netlink_unicast+0x449/0x710 [ 4900.572636][ T10] netlink_sendmsg+0x723/0xbe0 [ 4900.572636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4900.572636][ T10] ___sys_sendmsg+0xee/0x170 [ 4900.572636][ T10] __sys_sendmsg+0xcd/0x170 [ 4900.572636][ T10] do_syscall_64+0xc6/0x1e0 [ 4900.572636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.572636][ T10] [ 4900.574555][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4900.574555][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4900.574555][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4900.574555][ T10] ipv6_find_idev+0x102/0x170 [ 4900.574555][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4900.574555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.574555][ T10] netlink_rcv_skb+0x130/0x360 [ 4900.574555][ T10] netlink_unicast+0x449/0x710 [ 4900.574555][ T10] netlink_sendmsg+0x723/0xbe0 [ 4900.574555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4900.574555][ T10] ___sys_sendmsg+0xee/0x170 [ 4900.574555][ T10] __sys_sendmsg+0xcd/0x170 [ 4900.574555][ T10] do_syscall_64+0xc6/0x1e0 [ 4900.574555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.574555][ T10] [ 4900.576711][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4900.576976][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4900.576976][ T10] netdev_get_by_index+0x5e/0x80 [ 4900.576976][ T10] fib6_nh_init+0x3d8/0x1580 [ 4900.576976][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4900.576976][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4900.576976][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4900.576976][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4900.576976][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4900.576976][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4900.576976][ T10] addrconf_dad_begin+0x310/0x670 [ 4900.576976][ T10] addrconf_dad_work+0x10b/0xab0 [ 4900.576976][ T10] process_one_work+0x84d/0x18a0 [ 4900.576976][ T10] worker_thread+0x587/0xd30 [ 4900.576976][ T10] kthread+0x28a/0x350 [ 4900.576976][ T10] ret_from_fork+0x31/0x70 [ 4900.576976][ T10] ret_from_fork_asm+0x1a/0x30 [ 4900.576976][ T10] [ 4900.579447][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4900.579447][ T10] netdev_get_by_index+0x5e/0x80 [ 4900.579447][ T10] fib6_nh_init+0x3d8/0x1580 [ 4900.579447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4900.579447][ T10] ip6_route_add+0x1c/0x140 [ 4900.579447][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4900.579447][ T10] inet6_addr_add+0x4f8/0xa40 [ 4900.579447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4900.579447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.579447][ T10] netlink_rcv_skb+0x130/0x360 [ 4900.579447][ T10] netlink_unicast+0x449/0x710 [ 4900.579447][ T10] netlink_sendmsg+0x723/0xbe0 [ 4900.579447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4900.579447][ T10] ___sys_sendmsg+0xee/0x170 [ 4900.579447][ T10] __sys_sendmsg+0xcd/0x170 [ 4900.579447][ T10] do_syscall_64+0xc6/0x1e0 [ 4900.579447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.579447][ T10] [ 4900.581950][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4900.581950][ T10] netdev_get_by_index+0x5e/0x80 [ 4900.581950][ T10] fib6_nh_init+0x3d8/0x1580 [ 4900.581950][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4900.581950][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4900.581950][ T10] ipv6_add_addr+0x411/0x2000 [ 4900.581950][ T10] inet6_addr_add+0x30e/0xa40 [ 4900.581950][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4900.581950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.581950][ T10] netlink_rcv_skb+0x130/0x360 [ 4900.581950][ T10] netlink_unicast+0x449/0x710 [ 4900.581950][ T10] netlink_sendmsg+0x723/0xbe0 [ 4900.581950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4900.581950][ T10] ___sys_sendmsg+0xee/0x170 [ 4900.581950][ T10] __sys_sendmsg+0xcd/0x170 [ 4900.581950][ T10] do_syscall_64+0xc6/0x1e0 [ 4900.581950][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.581950][ T10] [ 4900.584375][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4900.584375][ T10] netdev_get_by_index+0x5e/0x80 [ 4900.584375][ T10] fib6_nh_init+0x3d8/0x1580 [ 4900.584375][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4900.584375][ T10] ip6_route_add+0x1c/0x140 [ 4900.584375][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4900.584375][ T10] addrconf_add_dev+0xe2/0x170 [ 4900.584375][ T10] inet6_addr_add+0x12f/0xa40 [ 4900.584375][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4900.584375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.584375][ T10] netlink_rcv_skb+0x130/0x360 [ 4900.584375][ T10] netlink_unicast+0x449/0x710 [ 4900.584375][ T10] netlink_sendmsg+0x723/0xbe0 [ 4900.584375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4900.584375][ T10] ___sys_sendmsg+0xee/0x170 [ 4900.584375][ T10] __sys_sendmsg+0xcd/0x170 [ 4900.584375][ T10] do_syscall_64+0xc6/0x1e0 [ 4900.584375][ T10] [ 4900.586834][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4900.586834][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4900.586834][ T10] ipv6_find_idev+0x102/0x170 [ 4900.586834][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4900.586834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.586834][ T10] netlink_rcv_skb+0x130/0x360 [ 4900.586834][ T10] netlink_unicast+0x449/0x710 [ 4900.586834][ T10] netlink_sendmsg+0x723/0xbe0 [ 4900.586834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4900.586834][ T10] ___sys_sendmsg+0xee/0x170 [ 4900.586834][ T10] __sys_sendmsg+0xcd/0x170 [ 4900.586834][ T10] do_syscall_64+0xc6/0x1e0 [ 4900.586834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.586834][ T10] [ 4900.588741][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4900.588741][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4900.588741][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4900.588741][ T10] ipv6_find_idev+0x102/0x170 [ 4900.588741][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4900.588741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.588741][ T10] netlink_rcv_skb+0x130/0x360 [ 4900.588741][ T10] netlink_unicast+0x449/0x710 [ 4900.588741][ T10] netlink_sendmsg+0x723/0xbe0 [ 4900.588741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4900.588741][ T10] ___sys_sendmsg+0xee/0x170 [ 4900.588741][ T10] __sys_sendmsg+0xcd/0x170 [ 4900.588741][ T10] do_syscall_64+0xc6/0x1e0 [ 4900.588741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.588741][ T10] [ 4904.465059][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4904.465574][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4904.465574][ T1167] dst_init+0x84/0x4a0 [ 4904.465574][ T1167] dst_alloc+0x97/0x150 [ 4904.465574][ T1167] ip6_dst_alloc+0x23/0x90 [ 4904.465574][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4904.465574][ T1167] ip6_pol_route+0x56f/0x840 [ 4904.465574][ T1167] fib6_rule_lookup+0x334/0x630 [ 4904.465574][ T1167] ip6_route_output_flags+0x259/0x480 [ 4904.465574][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4904.465574][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4904.465574][ T1167] netlink_rcv_skb+0x130/0x360 [ 4904.465574][ T1167] netlink_unicast+0x449/0x710 [ 4904.465574][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4904.465574][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4904.465574][ T1167] ___sys_sendmsg+0xee/0x170 [ 4904.465574][ T1167] __sys_sendmsg+0xcd/0x170 [ 4904.465574][ T1167] do_syscall_64+0xc6/0x1e0 [ 4904.465574][ T1167] [ 4904.467778][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4904.467778][ T1167] netdev_get_by_index+0x5e/0x80 [ 4904.467778][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4904.467778][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4904.467778][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4904.467778][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4904.467778][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4904.467778][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4904.467778][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4904.467778][ T1167] addrconf_dad_begin+0x310/0x670 [ 4904.467778][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4904.467778][ T1167] process_one_work+0x84d/0x18a0 [ 4904.467778][ T1167] worker_thread+0x587/0xd30 [ 4904.467778][ T1167] kthread+0x28a/0x350 [ 4904.467778][ T1167] ret_from_fork+0x31/0x70 [ 4904.467778][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4904.467778][ T1167] [ 4904.469932][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4904.469932][ T1167] netdev_get_by_index+0x5e/0x80 [ 4904.469932][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4904.469932][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4904.469932][ T1167] ip6_route_add+0x1c/0x140 [ 4904.469932][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4904.469932][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4904.469932][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4904.469932][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4904.469932][ T1167] netlink_rcv_skb+0x130/0x360 [ 4904.469932][ T1167] netlink_unicast+0x449/0x710 [ 4904.469932][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4904.469932][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4904.469932][ T1167] ___sys_sendmsg+0xee/0x170 [ 4904.469932][ T1167] __sys_sendmsg+0xcd/0x170 [ 4904.469932][ T1167] do_syscall_64+0xc6/0x1e0 [ 4904.469932][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4904.469932][ T1167] [ 4904.472174][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4904.472174][ T1167] netdev_get_by_index+0x5e/0x80 [ 4904.472174][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4904.472174][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4904.472174][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4904.472174][ T1167] ipv6_add_addr+0x411/0x2000 [ 4904.472174][ T1167] inet6_addr_add+0x30e/0xa40 [ 4904.472174][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4904.472174][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4904.472174][ T1167] netlink_rcv_skb+0x130/0x360 [ 4904.472174][ T1167] netlink_unicast+0x449/0x710 [ 4904.472174][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4904.472174][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4904.472174][ T1167] ___sys_sendmsg+0xee/0x170 [ 4904.472174][ T1167] __sys_sendmsg+0xcd/0x170 [ 4904.472174][ T1167] do_syscall_64+0xc6/0x1e0 [ 4904.472174][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4904.472174][ T1167] [ 4904.474408][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4904.474408][ T1167] netdev_get_by_index+0x5e/0x80 [ 4904.474408][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4904.474408][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4904.474408][ T1167] ip6_route_add+0x1c/0x140 [ 4904.474408][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4904.474408][ T1167] addrconf_add_dev+0xe2/0x170 [ 4904.474408][ T1167] inet6_addr_add+0x12f/0xa40 [ 4904.474408][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4904.474408][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4904.474408][ T1167] netlink_rcv_skb+0x130/0x360 [ 4904.474408][ T1167] netlink_unicast+0x449/0x710 [ 4904.474408][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4904.474408][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4904.474408][ T1167] ___sys_sendmsg+0xee/0x170 [ 4904.474408][ T1167] __sys_sendmsg+0xcd/0x170 [ 4904.474408][ T1167] do_syscall_64+0xc6/0x1e0 [ 4904.474408][ T1167] [ 4904.476618][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4904.476618][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4904.476618][ T1167] ipv6_find_idev+0x102/0x170 [ 4904.476618][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4904.476618][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4904.476618][ T1167] netlink_rcv_skb+0x130/0x360 [ 4904.476618][ T1167] netlink_unicast+0x449/0x710 [ 4904.476618][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4904.476618][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4904.476618][ T1167] ___sys_sendmsg+0xee/0x170 [ 4904.476618][ T1167] __sys_sendmsg+0xcd/0x170 [ 4904.476618][ T1167] do_syscall_64+0xc6/0x1e0 [ 4904.476618][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4904.476618][ T1167] [ 4904.478341][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4904.478341][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4904.478341][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4904.478341][ T1167] ipv6_find_idev+0x102/0x170 [ 4904.478341][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4904.478341][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4904.478341][ T1167] netlink_rcv_skb+0x130/0x360 [ 4904.478341][ T1167] netlink_unicast+0x449/0x710 [ 4904.478341][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4904.478341][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4904.478341][ T1167] ___sys_sendmsg+0xee/0x170 [ 4904.478341][ T1167] __sys_sendmsg+0xcd/0x170 [ 4904.478341][ T1167] do_syscall_64+0xc6/0x1e0 [ 4904.478341][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4904.478341][ T1167] [ 4910.609135][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4910.609631][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4910.609631][ T10] netdev_get_by_index+0x5e/0x80 [ 4910.609631][ T10] fib6_nh_init+0x3d8/0x1580 [ 4910.609631][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4910.609631][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4910.609631][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4910.609631][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4910.609631][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4910.609631][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4910.609631][ T10] addrconf_dad_begin+0x310/0x670 [ 4910.609631][ T10] addrconf_dad_work+0x10b/0xab0 [ 4910.609631][ T10] process_one_work+0x84d/0x18a0 [ 4910.609631][ T10] worker_thread+0x587/0xd30 [ 4910.609631][ T10] kthread+0x28a/0x350 [ 4910.609631][ T10] ret_from_fork+0x31/0x70 [ 4910.609631][ T10] ret_from_fork_asm+0x1a/0x30 [ 4910.609631][ T10] [ 4910.611828][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4910.611828][ T10] netdev_get_by_index+0x5e/0x80 [ 4910.611828][ T10] fib6_nh_init+0x3d8/0x1580 [ 4910.611828][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4910.611828][ T10] ip6_route_add+0x1c/0x140 [ 4910.611828][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4910.611828][ T10] inet6_addr_add+0x4f8/0xa40 [ 4910.611828][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4910.611828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.611828][ T10] netlink_rcv_skb+0x130/0x360 [ 4910.611828][ T10] netlink_unicast+0x449/0x710 [ 4910.611828][ T10] netlink_sendmsg+0x723/0xbe0 [ 4910.611828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4910.611828][ T10] ___sys_sendmsg+0xee/0x170 [ 4910.611828][ T10] __sys_sendmsg+0xcd/0x170 [ 4910.611828][ T10] do_syscall_64+0xc6/0x1e0 [ 4910.611828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.611828][ T10] [ 4910.614097][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4910.614097][ T10] netdev_get_by_index+0x5e/0x80 [ 4910.614097][ T10] fib6_nh_init+0x3d8/0x1580 [ 4910.614097][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4910.614097][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4910.614097][ T10] ipv6_add_addr+0x411/0x2000 [ 4910.614097][ T10] inet6_addr_add+0x30e/0xa40 [ 4910.614097][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4910.614097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.614097][ T10] netlink_rcv_skb+0x130/0x360 [ 4910.614097][ T10] netlink_unicast+0x449/0x710 [ 4910.614097][ T10] netlink_sendmsg+0x723/0xbe0 [ 4910.614097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4910.614097][ T10] ___sys_sendmsg+0xee/0x170 [ 4910.614097][ T10] __sys_sendmsg+0xcd/0x170 [ 4910.614097][ T10] do_syscall_64+0xc6/0x1e0 [ 4910.614097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.614097][ T10] [ 4910.616361][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4910.616361][ T10] netdev_get_by_index+0x5e/0x80 [ 4910.616361][ T10] fib6_nh_init+0x3d8/0x1580 [ 4910.616361][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4910.616361][ T10] ip6_route_add+0x1c/0x140 [ 4910.616361][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4910.616361][ T10] addrconf_add_dev+0xe2/0x170 [ 4910.616361][ T10] inet6_addr_add+0x12f/0xa40 [ 4910.616361][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4910.616361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.616361][ T10] netlink_rcv_skb+0x130/0x360 [ 4910.616361][ T10] netlink_unicast+0x449/0x710 [ 4910.616361][ T10] netlink_sendmsg+0x723/0xbe0 [ 4910.616361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4910.616361][ T10] ___sys_sendmsg+0xee/0x170 [ 4910.616361][ T10] __sys_sendmsg+0xcd/0x170 [ 4910.616361][ T10] do_syscall_64+0xc6/0x1e0 [ 4910.616361][ T10] [ 4910.618588][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4910.618588][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4910.618588][ T10] ipv6_find_idev+0x102/0x170 [ 4910.618588][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4910.618588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.618588][ T10] netlink_rcv_skb+0x130/0x360 [ 4910.618588][ T10] netlink_unicast+0x449/0x710 [ 4910.618588][ T10] netlink_sendmsg+0x723/0xbe0 [ 4910.618588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4910.618588][ T10] ___sys_sendmsg+0xee/0x170 [ 4910.618588][ T10] __sys_sendmsg+0xcd/0x170 [ 4910.618588][ T10] do_syscall_64+0xc6/0x1e0 [ 4910.618588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.618588][ T10] [ 4910.620330][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4910.620330][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4910.620330][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4910.620330][ T10] ipv6_find_idev+0x102/0x170 [ 4910.620330][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4910.620330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.620330][ T10] netlink_rcv_skb+0x130/0x360 [ 4910.620330][ T10] netlink_unicast+0x449/0x710 [ 4910.620330][ T10] netlink_sendmsg+0x723/0xbe0 [ 4910.620330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4910.620330][ T10] ___sys_sendmsg+0xee/0x170 [ 4910.620330][ T10] __sys_sendmsg+0xcd/0x170 [ 4910.620330][ T10] do_syscall_64+0xc6/0x1e0 [ 4910.620330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.620330][ T10] [ 4910.622228][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4910.622491][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4910.622491][ T10] netdev_get_by_index+0x5e/0x80 [ 4910.622491][ T10] fib6_nh_init+0x3d8/0x1580 [ 4910.622491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4910.622491][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4910.622491][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4910.622491][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4910.622491][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4910.622491][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4910.622491][ T10] addrconf_dad_begin+0x310/0x670 [ 4910.622491][ T10] addrconf_dad_work+0x10b/0xab0 [ 4910.622491][ T10] process_one_work+0x84d/0x18a0 [ 4910.622491][ T10] worker_thread+0x587/0xd30 [ 4910.622491][ T10] kthread+0x28a/0x350 [ 4910.622491][ T10] ret_from_fork+0x31/0x70 [ 4910.622491][ T10] ret_from_fork_asm+0x1a/0x30 [ 4910.622491][ T10] [ 4910.624643][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4910.624643][ T10] netdev_get_by_index+0x5e/0x80 [ 4910.624643][ T10] fib6_nh_init+0x3d8/0x1580 [ 4910.624643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4910.624643][ T10] ip6_route_add+0x1c/0x140 [ 4910.624643][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4910.624643][ T10] inet6_addr_add+0x4f8/0xa40 [ 4910.624643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4910.624643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.624643][ T10] netlink_rcv_skb+0x130/0x360 [ 4910.624643][ T10] netlink_unicast+0x449/0x710 [ 4910.624643][ T10] netlink_sendmsg+0x723/0xbe0 [ 4910.624643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4910.624643][ T10] ___sys_sendmsg+0xee/0x170 [ 4910.624643][ T10] __sys_sendmsg+0xcd/0x170 [ 4910.624643][ T10] do_syscall_64+0xc6/0x1e0 [ 4910.624643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.624643][ T10] [ 4910.626912][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4910.626912][ T10] netdev_get_by_index+0x5e/0x80 [ 4910.626912][ T10] fib6_nh_init+0x3d8/0x1580 [ 4910.626912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4910.626912][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4910.626912][ T10] ipv6_add_addr+0x411/0x2000 [ 4910.626912][ T10] inet6_addr_add+0x30e/0xa40 [ 4910.626912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4910.626912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.626912][ T10] netlink_rcv_skb+0x130/0x360 [ 4910.626912][ T10] netlink_unicast+0x449/0x710 [ 4910.626912][ T10] netlink_sendmsg+0x723/0xbe0 [ 4910.626912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4910.626912][ T10] ___sys_sendmsg+0xee/0x170 [ 4910.626912][ T10] __sys_sendmsg+0xcd/0x170 [ 4910.626912][ T10] do_syscall_64+0xc6/0x1e0 [ 4910.626912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.626912][ T10] [ 4910.629171][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4910.629171][ T10] netdev_get_by_index+0x5e/0x80 [ 4910.629171][ T10] fib6_nh_init+0x3d8/0x1580 [ 4910.629171][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4910.629171][ T10] ip6_route_add+0x1c/0x140 [ 4910.629171][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4910.629171][ T10] addrconf_add_dev+0xe2/0x170 [ 4910.629171][ T10] inet6_addr_add+0x12f/0xa40 [ 4910.629171][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4910.629171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.629171][ T10] netlink_rcv_skb+0x130/0x360 [ 4910.629171][ T10] netlink_unicast+0x449/0x710 [ 4910.629171][ T10] netlink_sendmsg+0x723/0xbe0 [ 4910.629171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4910.629171][ T10] ___sys_sendmsg+0xee/0x170 [ 4910.629171][ T10] __sys_sendmsg+0xcd/0x170 [ 4910.629171][ T10] do_syscall_64+0xc6/0x1e0 [ 4910.629171][ T10] [ 4910.631373][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4910.631373][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4910.631373][ T10] ipv6_find_idev+0x102/0x170 [ 4910.631373][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4910.631373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.631373][ T10] netlink_rcv_skb+0x130/0x360 [ 4910.631373][ T10] netlink_unicast+0x449/0x710 [ 4910.631373][ T10] netlink_sendmsg+0x723/0xbe0 [ 4910.631373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4910.631373][ T10] ___sys_sendmsg+0xee/0x170 [ 4910.631373][ T10] __sys_sendmsg+0xcd/0x170 [ 4910.631373][ T10] do_syscall_64+0xc6/0x1e0 [ 4910.631373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.631373][ T10] [ 4910.633110][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4910.633110][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4910.633110][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4910.633110][ T10] ipv6_find_idev+0x102/0x170 [ 4910.633110][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4910.633110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.633110][ T10] netlink_rcv_skb+0x130/0x360 [ 4910.633110][ T10] netlink_unicast+0x449/0x710 [ 4910.633110][ T10] netlink_sendmsg+0x723/0xbe0 [ 4910.633110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4910.633110][ T10] ___sys_sendmsg+0xee/0x170 [ 4910.633110][ T10] __sys_sendmsg+0xcd/0x170 [ 4910.633110][ T10] do_syscall_64+0xc6/0x1e0 [ 4910.633110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.633110][ T10] [ 4910.635028][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4910.635281][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4910.635281][ T10] netdev_get_by_index+0x5e/0x80 [ 4910.635281][ T10] fib6_nh_init+0x3d8/0x1580 [ 4910.635281][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4910.635281][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4910.635281][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4910.635281][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4910.635281][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4910.635281][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4910.635281][ T10] addrconf_dad_begin+0x310/0x670 [ 4910.635281][ T10] addrconf_dad_work+0x10b/0xab0 [ 4910.635281][ T10] process_one_work+0x84d/0x18a0 [ 4910.635281][ T10] worker_thread+0x587/0xd30 [ 4910.635281][ T10] kthread+0x28a/0x350 [ 4910.635281][ T10] ret_from_fork+0x31/0x70 [ 4910.635281][ T10] ret_from_fork_asm+0x1a/0x30 [ 4910.635281][ T10] [ 4910.637420][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4910.637420][ T10] netdev_get_by_index+0x5e/0x80 [ 4910.637420][ T10] fib6_nh_init+0x3d8/0x1580 [ 4910.637420][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4910.637420][ T10] ip6_route_add+0x1c/0x140 [ 4910.637420][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4910.637420][ T10] inet6_addr_add+0x4f8/0xa40 [ 4910.637420][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4910.637420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.637420][ T10] netlink_rcv_skb+0x130/0x360 [ 4910.637420][ T10] netlink_unicast+0x449/0x710 [ 4910.637420][ T10] netlink_sendmsg+0x723/0xbe0 [ 4910.637420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4910.637420][ T10] ___sys_sendmsg+0xee/0x170 [ 4910.637420][ T10] __sys_sendmsg+0xcd/0x170 [ 4910.637420][ T10] do_syscall_64+0xc6/0x1e0 [ 4910.637420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.637420][ T10] [ 4910.639860][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4910.639860][ T10] netdev_get_by_index+0x5e/0x80 [ 4910.639860][ T10] fib6_nh_init+0x3d8/0x1580 [ 4910.639860][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4910.639860][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4910.639860][ T10] ipv6_add_addr+0x411/0x2000 [ 4910.639860][ T10] inet6_addr_add+0x30e/0xa40 [ 4910.639860][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4910.639860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.639860][ T10] netlink_rcv_skb+0x130/0x360 [ 4910.639860][ T10] netlink_unicast+0x449/0x710 [ 4910.639860][ T10] netlink_sendmsg+0x723/0xbe0 [ 4910.639860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4910.639860][ T10] ___sys_sendmsg+0xee/0x170 [ 4910.639860][ T10] __sys_sendmsg+0xcd/0x170 [ 4910.639860][ T10] do_syscall_64+0xc6/0x1e0 [ 4910.639860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.639860][ T10] [ 4910.642425][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4910.642425][ T10] netdev_get_by_index+0x5e/0x80 [ 4910.642425][ T10] fib6_nh_init+0x3d8/0x1580 [ 4910.642425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4910.642425][ T10] ip6_route_add+0x1c/0x140 [ 4910.642425][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4910.642425][ T10] addrconf_add_dev+0xe2/0x170 [ 4910.642425][ T10] inet6_addr_add+0x12f/0xa40 [ 4910.642425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4910.642425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.642425][ T10] netlink_rcv_skb+0x130/0x360 [ 4910.642425][ T10] netlink_unicast+0x449/0x710 [ 4910.642425][ T10] netlink_sendmsg+0x723/0xbe0 [ 4910.642425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4910.642425][ T10] ___sys_sendmsg+0xee/0x170 [ 4910.642425][ T10] __sys_sendmsg+0xcd/0x170 [ 4910.642425][ T10] do_syscall_64+0xc6/0x1e0 [ 4910.642425][ T10] [ 4910.644798][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4910.644798][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4910.644798][ T10] ipv6_find_idev+0x102/0x170 [ 4910.644798][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4910.644798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.644798][ T10] netlink_rcv_skb+0x130/0x360 [ 4910.644798][ T10] netlink_unicast+0x449/0x710 [ 4910.644798][ T10] netlink_sendmsg+0x723/0xbe0 [ 4910.644798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4910.644798][ T10] ___sys_sendmsg+0xee/0x170 [ 4910.644798][ T10] __sys_sendmsg+0xcd/0x170 [ 4910.644798][ T10] do_syscall_64+0xc6/0x1e0 [ 4910.644798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.644798][ T10] [ 4910.646701][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4910.646701][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4910.646701][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4910.646701][ T10] ipv6_find_idev+0x102/0x170 [ 4910.646701][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4910.646701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.646701][ T10] netlink_rcv_skb+0x130/0x360 [ 4910.646701][ T10] netlink_unicast+0x449/0x710 [ 4910.646701][ T10] netlink_sendmsg+0x723/0xbe0 [ 4910.646701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4910.646701][ T10] ___sys_sendmsg+0xee/0x170 [ 4910.646701][ T10] __sys_sendmsg+0xcd/0x170 [ 4910.646701][ T10] do_syscall_64+0xc6/0x1e0 [ 4910.646701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.646701][ T10] [ 4910.648836][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4910.649543][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4910.649543][ T10] netdev_get_by_index+0x5e/0x80 [ 4910.649543][ T10] fib6_nh_init+0x3d8/0x1580 [ 4910.649543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4910.649543][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4910.649543][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4910.649543][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4910.649543][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4910.649543][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4910.649543][ T10] addrconf_dad_begin+0x310/0x670 [ 4910.649543][ T10] addrconf_dad_work+0x10b/0xab0 [ 4910.649543][ T10] process_one_work+0x84d/0x18a0 [ 4910.649543][ T10] worker_thread+0x587/0xd30 [ 4910.649543][ T10] kthread+0x28a/0x350 [ 4910.649543][ T10] ret_from_fork+0x31/0x70 [ 4910.649543][ T10] ret_from_fork_asm+0x1a/0x30 [ 4910.649543][ T10] [ 4910.651679][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4910.651679][ T10] netdev_get_by_index+0x5e/0x80 [ 4910.651679][ T10] fib6_nh_init+0x3d8/0x1580 [ 4910.651679][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4910.651679][ T10] ip6_route_add+0x1c/0x140 [ 4910.651679][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4910.651679][ T10] inet6_addr_add+0x4f8/0xa40 [ 4910.651679][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4910.651679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.651679][ T10] netlink_rcv_skb+0x130/0x360 [ 4910.651679][ T10] netlink_unicast+0x449/0x710 [ 4910.651679][ T10] netlink_sendmsg+0x723/0xbe0 [ 4910.651679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4910.651679][ T10] ___sys_sendmsg+0xee/0x170 [ 4910.651679][ T10] __sys_sendmsg+0xcd/0x170 [ 4910.651679][ T10] do_syscall_64+0xc6/0x1e0 [ 4910.651679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.651679][ T10] [ 4910.654036][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4910.654036][ T10] netdev_get_by_index+0x5e/0x80 [ 4910.654036][ T10] fib6_nh_init+0x3d8/0x1580 [ 4910.654036][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4910.654036][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4910.654036][ T10] ipv6_add_addr+0x411/0x2000 [ 4910.654036][ T10] inet6_addr_add+0x30e/0xa40 [ 4910.654036][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4910.654036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.654036][ T10] netlink_rcv_skb+0x130/0x360 [ 4910.654036][ T10] netlink_unicast+0x449/0x710 [ 4910.654036][ T10] netlink_sendmsg+0x723/0xbe0 [ 4910.654036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4910.654036][ T10] ___sys_sendmsg+0xee/0x170 [ 4910.654036][ T10] __sys_sendmsg+0xcd/0x170 [ 4910.654036][ T10] do_syscall_64+0xc6/0x1e0 [ 4910.654036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.654036][ T10] [ 4910.656524][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4910.656524][ T10] netdev_get_by_index+0x5e/0x80 [ 4910.656524][ T10] fib6_nh_init+0x3d8/0x1580 [ 4910.656524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4910.656524][ T10] ip6_route_add+0x1c/0x140 [ 4910.656524][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4910.656524][ T10] addrconf_add_dev+0xe2/0x170 [ 4910.656524][ T10] inet6_addr_add+0x12f/0xa40 [ 4910.656524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4910.656524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.656524][ T10] netlink_rcv_skb+0x130/0x360 [ 4910.656524][ T10] netlink_unicast+0x449/0x710 [ 4910.656524][ T10] netlink_sendmsg+0x723/0xbe0 [ 4910.656524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4910.656524][ T10] ___sys_sendmsg+0xee/0x170 [ 4910.656524][ T10] __sys_sendmsg+0xcd/0x170 [ 4910.656524][ T10] do_syscall_64+0xc6/0x1e0 [ 4910.656524][ T10] [ 4910.658925][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4910.658925][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4910.658925][ T10] ipv6_find_idev+0x102/0x170 [ 4910.658925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4910.658925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.658925][ T10] netlink_rcv_skb+0x130/0x360 [ 4910.658925][ T10] netlink_unicast+0x449/0x710 [ 4910.658925][ T10] netlink_sendmsg+0x723/0xbe0 [ 4910.658925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4910.658925][ T10] ___sys_sendmsg+0xee/0x170 [ 4910.658925][ T10] __sys_sendmsg+0xcd/0x170 [ 4910.658925][ T10] do_syscall_64+0xc6/0x1e0 [ 4910.658925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.658925][ T10] [ 4910.660821][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4910.660821][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4910.660821][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4910.660821][ T10] ipv6_find_idev+0x102/0x170 [ 4910.660821][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4910.660821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.660821][ T10] netlink_rcv_skb+0x130/0x360 [ 4910.660821][ T10] netlink_unicast+0x449/0x710 [ 4910.660821][ T10] netlink_sendmsg+0x723/0xbe0 [ 4910.660821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4910.660821][ T10] ___sys_sendmsg+0xee/0x170 [ 4910.660821][ T10] __sys_sendmsg+0xcd/0x170 [ 4910.660821][ T10] do_syscall_64+0xc6/0x1e0 [ 4910.660821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.660821][ T10] [ 4914.561123][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4914.561621][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4914.561621][ T1167] dst_init+0x84/0x4a0 [ 4914.561621][ T1167] dst_alloc+0x97/0x150 [ 4914.561621][ T1167] ip6_dst_alloc+0x23/0x90 [ 4914.561621][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4914.561621][ T1167] ip6_pol_route+0x56f/0x840 [ 4914.561621][ T1167] fib6_rule_lookup+0x334/0x630 [ 4914.561621][ T1167] ip6_route_output_flags+0x259/0x480 [ 4914.561621][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4914.561621][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4914.561621][ T1167] netlink_rcv_skb+0x130/0x360 [ 4914.561621][ T1167] netlink_unicast+0x449/0x710 [ 4914.561621][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4914.561621][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4914.561621][ T1167] ___sys_sendmsg+0xee/0x170 [ 4914.561621][ T1167] __sys_sendmsg+0xcd/0x170 [ 4914.561621][ T1167] do_syscall_64+0xc6/0x1e0 [ 4914.561621][ T1167] [ 4914.563857][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4914.563857][ T1167] netdev_get_by_index+0x5e/0x80 [ 4914.563857][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4914.563857][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4914.563857][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4914.563857][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4914.563857][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4914.563857][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4914.563857][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4914.563857][ T1167] addrconf_dad_begin+0x310/0x670 [ 4914.563857][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4914.563857][ T1167] process_one_work+0x84d/0x18a0 [ 4914.563857][ T1167] worker_thread+0x587/0xd30 [ 4914.563857][ T1167] kthread+0x28a/0x350 [ 4914.563857][ T1167] ret_from_fork+0x31/0x70 [ 4914.563857][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4914.563857][ T1167] [ 4914.566012][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4914.566012][ T1167] netdev_get_by_index+0x5e/0x80 [ 4914.566012][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4914.566012][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4914.566012][ T1167] ip6_route_add+0x1c/0x140 [ 4914.566012][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4914.566012][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4914.566012][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4914.566012][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4914.566012][ T1167] netlink_rcv_skb+0x130/0x360 [ 4914.566012][ T1167] netlink_unicast+0x449/0x710 [ 4914.566012][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4914.566012][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4914.566012][ T1167] ___sys_sendmsg+0xee/0x170 [ 4914.566012][ T1167] __sys_sendmsg+0xcd/0x170 [ 4914.566012][ T1167] do_syscall_64+0xc6/0x1e0 [ 4914.566012][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4914.566012][ T1167] [ 4914.568251][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4914.568251][ T1167] netdev_get_by_index+0x5e/0x80 [ 4914.568251][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4914.568251][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4914.568251][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4914.568251][ T1167] ipv6_add_addr+0x411/0x2000 [ 4914.568251][ T1167] inet6_addr_add+0x30e/0xa40 [ 4914.568251][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4914.568251][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4914.568251][ T1167] netlink_rcv_skb+0x130/0x360 [ 4914.568251][ T1167] netlink_unicast+0x449/0x710 [ 4914.568251][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4914.568251][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4914.568251][ T1167] ___sys_sendmsg+0xee/0x170 [ 4914.568251][ T1167] __sys_sendmsg+0xcd/0x170 [ 4914.568251][ T1167] do_syscall_64+0xc6/0x1e0 [ 4914.568251][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4914.568251][ T1167] [ 4914.570495][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4914.570495][ T1167] netdev_get_by_index+0x5e/0x80 [ 4914.570495][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4914.570495][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4914.570495][ T1167] ip6_route_add+0x1c/0x140 [ 4914.570495][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4914.570495][ T1167] addrconf_add_dev+0xe2/0x170 [ 4914.570495][ T1167] inet6_addr_add+0x12f/0xa40 [ 4914.570495][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4914.570495][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4914.570495][ T1167] netlink_rcv_skb+0x130/0x360 [ 4914.570495][ T1167] netlink_unicast+0x449/0x710 [ 4914.570495][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4914.570495][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4914.570495][ T1167] ___sys_sendmsg+0xee/0x170 [ 4914.570495][ T1167] __sys_sendmsg+0xcd/0x170 [ 4914.570495][ T1167] do_syscall_64+0xc6/0x1e0 [ 4914.570495][ T1167] [ 4914.572695][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4914.572695][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4914.572695][ T1167] ipv6_find_idev+0x102/0x170 [ 4914.572695][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4914.572695][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4914.572695][ T1167] netlink_rcv_skb+0x130/0x360 [ 4914.572695][ T1167] netlink_unicast+0x449/0x710 [ 4914.572695][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4914.572695][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4914.572695][ T1167] ___sys_sendmsg+0xee/0x170 [ 4914.572695][ T1167] __sys_sendmsg+0xcd/0x170 [ 4914.572695][ T1167] do_syscall_64+0xc6/0x1e0 [ 4914.572695][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4914.572695][ T1167] [ 4914.574420][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4914.574420][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4914.574420][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4914.574420][ T1167] ipv6_find_idev+0x102/0x170 [ 4914.574420][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4914.574420][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4914.574420][ T1167] netlink_rcv_skb+0x130/0x360 [ 4914.574420][ T1167] netlink_unicast+0x449/0x710 [ 4914.574420][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4914.574420][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4914.574420][ T1167] ___sys_sendmsg+0xee/0x170 [ 4914.574420][ T1167] __sys_sendmsg+0xcd/0x170 [ 4914.574420][ T1167] do_syscall_64+0xc6/0x1e0 [ 4914.574420][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4914.574420][ T1167] [ 4920.729122][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4920.729599][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4920.729599][ T10] netdev_get_by_index+0x5e/0x80 [ 4920.729599][ T10] fib6_nh_init+0x3d8/0x1580 [ 4920.729599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4920.729599][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4920.729599][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4920.729599][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4920.729599][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4920.729599][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4920.729599][ T10] addrconf_dad_begin+0x310/0x670 [ 4920.729599][ T10] addrconf_dad_work+0x10b/0xab0 [ 4920.729599][ T10] process_one_work+0x84d/0x18a0 [ 4920.729599][ T10] worker_thread+0x587/0xd30 [ 4920.729599][ T10] kthread+0x28a/0x350 [ 4920.729599][ T10] ret_from_fork+0x31/0x70 [ 4920.729599][ T10] ret_from_fork_asm+0x1a/0x30 [ 4920.729599][ T10] [ 4920.731767][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4920.731767][ T10] netdev_get_by_index+0x5e/0x80 [ 4920.731767][ T10] fib6_nh_init+0x3d8/0x1580 [ 4920.731767][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4920.731767][ T10] ip6_route_add+0x1c/0x140 [ 4920.731767][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4920.731767][ T10] inet6_addr_add+0x4f8/0xa40 [ 4920.731767][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4920.731767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.731767][ T10] netlink_rcv_skb+0x130/0x360 [ 4920.731767][ T10] netlink_unicast+0x449/0x710 [ 4920.731767][ T10] netlink_sendmsg+0x723/0xbe0 [ 4920.731767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4920.731767][ T10] ___sys_sendmsg+0xee/0x170 [ 4920.731767][ T10] __sys_sendmsg+0xcd/0x170 [ 4920.731767][ T10] do_syscall_64+0xc6/0x1e0 [ 4920.731767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.731767][ T10] [ 4920.734007][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4920.734007][ T10] netdev_get_by_index+0x5e/0x80 [ 4920.734007][ T10] fib6_nh_init+0x3d8/0x1580 [ 4920.734007][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4920.734007][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4920.734007][ T10] ipv6_add_addr+0x411/0x2000 [ 4920.734007][ T10] inet6_addr_add+0x30e/0xa40 [ 4920.734007][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4920.734007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.734007][ T10] netlink_rcv_skb+0x130/0x360 [ 4920.734007][ T10] netlink_unicast+0x449/0x710 [ 4920.734007][ T10] netlink_sendmsg+0x723/0xbe0 [ 4920.734007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4920.734007][ T10] ___sys_sendmsg+0xee/0x170 [ 4920.734007][ T10] __sys_sendmsg+0xcd/0x170 [ 4920.734007][ T10] do_syscall_64+0xc6/0x1e0 [ 4920.734007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.734007][ T10] [ 4920.736820][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4920.736820][ T10] netdev_get_by_index+0x5e/0x80 [ 4920.736820][ T10] fib6_nh_init+0x3d8/0x1580 [ 4920.736820][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4920.736820][ T10] ip6_route_add+0x1c/0x140 [ 4920.736820][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4920.736820][ T10] addrconf_add_dev+0xe2/0x170 [ 4920.736820][ T10] inet6_addr_add+0x12f/0xa40 [ 4920.736820][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4920.736820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.736820][ T10] netlink_rcv_skb+0x130/0x360 [ 4920.736820][ T10] netlink_unicast+0x449/0x710 [ 4920.736820][ T10] netlink_sendmsg+0x723/0xbe0 [ 4920.736820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4920.736820][ T10] ___sys_sendmsg+0xee/0x170 [ 4920.736820][ T10] __sys_sendmsg+0xcd/0x170 [ 4920.736820][ T10] do_syscall_64+0xc6/0x1e0 [ 4920.736820][ T10] [ 4920.739016][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4920.739016][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4920.739016][ T10] ipv6_find_idev+0x102/0x170 [ 4920.739016][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4920.739016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.739016][ T10] netlink_rcv_skb+0x130/0x360 [ 4920.739016][ T10] netlink_unicast+0x449/0x710 [ 4920.739016][ T10] netlink_sendmsg+0x723/0xbe0 [ 4920.739016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4920.739016][ T10] ___sys_sendmsg+0xee/0x170 [ 4920.739016][ T10] __sys_sendmsg+0xcd/0x170 [ 4920.739016][ T10] do_syscall_64+0xc6/0x1e0 [ 4920.739016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.739016][ T10] [ 4920.740747][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4920.740747][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4920.740747][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4920.740747][ T10] ipv6_find_idev+0x102/0x170 [ 4920.740747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4920.740747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.740747][ T10] netlink_rcv_skb+0x130/0x360 [ 4920.740747][ T10] netlink_unicast+0x449/0x710 [ 4920.740747][ T10] netlink_sendmsg+0x723/0xbe0 [ 4920.740747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4920.740747][ T10] ___sys_sendmsg+0xee/0x170 [ 4920.740747][ T10] __sys_sendmsg+0xcd/0x170 [ 4920.740747][ T10] do_syscall_64+0xc6/0x1e0 [ 4920.740747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.740747][ T10] [ 4920.742641][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4920.742920][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4920.742920][ T10] netdev_get_by_index+0x5e/0x80 [ 4920.742920][ T10] fib6_nh_init+0x3d8/0x1580 [ 4920.742920][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4920.742920][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4920.742920][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4920.742920][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4920.742920][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4920.742920][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4920.742920][ T10] addrconf_dad_begin+0x310/0x670 [ 4920.742920][ T10] addrconf_dad_work+0x10b/0xab0 [ 4920.742920][ T10] process_one_work+0x84d/0x18a0 [ 4920.742920][ T10] worker_thread+0x587/0xd30 [ 4920.742920][ T10] kthread+0x28a/0x350 [ 4920.742920][ T10] ret_from_fork+0x31/0x70 [ 4920.742920][ T10] ret_from_fork_asm+0x1a/0x30 [ 4920.742920][ T10] [ 4920.745059][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4920.745059][ T10] netdev_get_by_index+0x5e/0x80 [ 4920.745059][ T10] fib6_nh_init+0x3d8/0x1580 [ 4920.745059][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4920.745059][ T10] ip6_route_add+0x1c/0x140 [ 4920.745059][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4920.745059][ T10] inet6_addr_add+0x4f8/0xa40 [ 4920.745059][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4920.745059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.745059][ T10] netlink_rcv_skb+0x130/0x360 [ 4920.745059][ T10] netlink_unicast+0x449/0x710 [ 4920.745059][ T10] netlink_sendmsg+0x723/0xbe0 [ 4920.745059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4920.745059][ T10] ___sys_sendmsg+0xee/0x170 [ 4920.745059][ T10] __sys_sendmsg+0xcd/0x170 [ 4920.745059][ T10] do_syscall_64+0xc6/0x1e0 [ 4920.745059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.745059][ T10] [ 4920.747307][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4920.747307][ T10] netdev_get_by_index+0x5e/0x80 [ 4920.747307][ T10] fib6_nh_init+0x3d8/0x1580 [ 4920.747307][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4920.747307][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4920.747307][ T10] ipv6_add_addr+0x411/0x2000 [ 4920.747307][ T10] inet6_addr_add+0x30e/0xa40 [ 4920.747307][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4920.747307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.747307][ T10] netlink_rcv_skb+0x130/0x360 [ 4920.747307][ T10] netlink_unicast+0x449/0x710 [ 4920.747307][ T10] netlink_sendmsg+0x723/0xbe0 [ 4920.747307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4920.747307][ T10] ___sys_sendmsg+0xee/0x170 [ 4920.747307][ T10] __sys_sendmsg+0xcd/0x170 [ 4920.747307][ T10] do_syscall_64+0xc6/0x1e0 [ 4920.747307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.747307][ T10] [ 4920.752464][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4920.752464][ T10] netdev_get_by_index+0x5e/0x80 [ 4920.752464][ T10] fib6_nh_init+0x3d8/0x1580 [ 4920.752464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4920.752464][ T10] ip6_route_add+0x1c/0x140 [ 4920.752464][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4920.752464][ T10] addrconf_add_dev+0xe2/0x170 [ 4920.752464][ T10] inet6_addr_add+0x12f/0xa40 [ 4920.752464][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4920.752464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.752464][ T10] netlink_rcv_skb+0x130/0x360 [ 4920.752464][ T10] netlink_unicast+0x449/0x710 [ 4920.752464][ T10] netlink_sendmsg+0x723/0xbe0 [ 4920.752464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4920.752464][ T10] ___sys_sendmsg+0xee/0x170 [ 4920.752464][ T10] __sys_sendmsg+0xcd/0x170 [ 4920.752464][ T10] do_syscall_64+0xc6/0x1e0 [ 4920.752464][ T10] [ 4920.754683][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4920.754683][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4920.754683][ T10] ipv6_find_idev+0x102/0x170 [ 4920.754683][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4920.754683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.754683][ T10] netlink_rcv_skb+0x130/0x360 [ 4920.754683][ T10] netlink_unicast+0x449/0x710 [ 4920.754683][ T10] netlink_sendmsg+0x723/0xbe0 [ 4920.754683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4920.754683][ T10] ___sys_sendmsg+0xee/0x170 [ 4920.754683][ T10] __sys_sendmsg+0xcd/0x170 [ 4920.754683][ T10] do_syscall_64+0xc6/0x1e0 [ 4920.754683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.754683][ T10] [ 4920.756431][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4920.756431][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4920.756431][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4920.756431][ T10] ipv6_find_idev+0x102/0x170 [ 4920.756431][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4920.756431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.756431][ T10] netlink_rcv_skb+0x130/0x360 [ 4920.756431][ T10] netlink_unicast+0x449/0x710 [ 4920.756431][ T10] netlink_sendmsg+0x723/0xbe0 [ 4920.756431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4920.756431][ T10] ___sys_sendmsg+0xee/0x170 [ 4920.756431][ T10] __sys_sendmsg+0xcd/0x170 [ 4920.756431][ T10] do_syscall_64+0xc6/0x1e0 [ 4920.756431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.756431][ T10] [ 4920.758312][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4920.758583][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4920.758583][ T10] netdev_get_by_index+0x5e/0x80 [ 4920.758583][ T10] fib6_nh_init+0x3d8/0x1580 [ 4920.758583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4920.758583][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4920.758583][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4920.758583][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4920.758583][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4920.758583][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4920.758583][ T10] addrconf_dad_begin+0x310/0x670 [ 4920.758583][ T10] addrconf_dad_work+0x10b/0xab0 [ 4920.758583][ T10] process_one_work+0x84d/0x18a0 [ 4920.758583][ T10] worker_thread+0x587/0xd30 [ 4920.758583][ T10] kthread+0x28a/0x350 [ 4920.758583][ T10] ret_from_fork+0x31/0x70 [ 4920.758583][ T10] ret_from_fork_asm+0x1a/0x30 [ 4920.758583][ T10] [ 4920.760738][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4920.760738][ T10] netdev_get_by_index+0x5e/0x80 [ 4920.760738][ T10] fib6_nh_init+0x3d8/0x1580 [ 4920.760738][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4920.760738][ T10] ip6_route_add+0x1c/0x140 [ 4920.760738][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4920.760738][ T10] inet6_addr_add+0x4f8/0xa40 [ 4920.760738][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4920.760738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.760738][ T10] netlink_rcv_skb+0x130/0x360 [ 4920.760738][ T10] netlink_unicast+0x449/0x710 [ 4920.760738][ T10] netlink_sendmsg+0x723/0xbe0 [ 4920.760738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4920.760738][ T10] ___sys_sendmsg+0xee/0x170 [ 4920.760738][ T10] __sys_sendmsg+0xcd/0x170 [ 4920.760738][ T10] do_syscall_64+0xc6/0x1e0 [ 4920.760738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.760738][ T10] [ 4920.763167][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4920.763167][ T10] netdev_get_by_index+0x5e/0x80 [ 4920.763167][ T10] fib6_nh_init+0x3d8/0x1580 [ 4920.763167][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4920.763167][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4920.763167][ T10] ipv6_add_addr+0x411/0x2000 [ 4920.763167][ T10] inet6_addr_add+0x30e/0xa40 [ 4920.763167][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4920.763167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.763167][ T10] netlink_rcv_skb+0x130/0x360 [ 4920.763167][ T10] netlink_unicast+0x449/0x710 [ 4920.763167][ T10] netlink_sendmsg+0x723/0xbe0 [ 4920.763167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4920.763167][ T10] ___sys_sendmsg+0xee/0x170 [ 4920.763167][ T10] __sys_sendmsg+0xcd/0x170 [ 4920.763167][ T10] do_syscall_64+0xc6/0x1e0 [ 4920.763167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.763167][ T10] [ 4920.765734][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4920.765734][ T10] netdev_get_by_index+0x5e/0x80 [ 4920.765734][ T10] fib6_nh_init+0x3d8/0x1580 [ 4920.765734][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4920.765734][ T10] ip6_route_add+0x1c/0x140 [ 4920.765734][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4920.765734][ T10] addrconf_add_dev+0xe2/0x170 [ 4920.765734][ T10] inet6_addr_add+0x12f/0xa40 [ 4920.765734][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4920.765734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.765734][ T10] netlink_rcv_skb+0x130/0x360 [ 4920.765734][ T10] netlink_unicast+0x449/0x710 [ 4920.765734][ T10] netlink_sendmsg+0x723/0xbe0 [ 4920.765734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4920.765734][ T10] ___sys_sendmsg+0xee/0x170 [ 4920.765734][ T10] __sys_sendmsg+0xcd/0x170 [ 4920.765734][ T10] do_syscall_64+0xc6/0x1e0 [ 4920.765734][ T10] [ 4920.768115][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4920.768115][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4920.768115][ T10] ipv6_find_idev+0x102/0x170 [ 4920.768115][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4920.768115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.768115][ T10] netlink_rcv_skb+0x130/0x360 [ 4920.768115][ T10] netlink_unicast+0x449/0x710 [ 4920.768115][ T10] netlink_sendmsg+0x723/0xbe0 [ 4920.768115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4920.768115][ T10] ___sys_sendmsg+0xee/0x170 [ 4920.768115][ T10] __sys_sendmsg+0xcd/0x170 [ 4920.768115][ T10] do_syscall_64+0xc6/0x1e0 [ 4920.768115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.768115][ T10] [ 4920.770030][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4920.770030][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4920.770030][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4920.770030][ T10] ipv6_find_idev+0x102/0x170 [ 4920.770030][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4920.770030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.770030][ T10] netlink_rcv_skb+0x130/0x360 [ 4920.770030][ T10] netlink_unicast+0x449/0x710 [ 4920.770030][ T10] netlink_sendmsg+0x723/0xbe0 [ 4920.770030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4920.770030][ T10] ___sys_sendmsg+0xee/0x170 [ 4920.770030][ T10] __sys_sendmsg+0xcd/0x170 [ 4920.770030][ T10] do_syscall_64+0xc6/0x1e0 [ 4920.770030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.770030][ T10] [ 4920.772183][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4920.772439][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4920.772439][ T10] netdev_get_by_index+0x5e/0x80 [ 4920.772439][ T10] fib6_nh_init+0x3d8/0x1580 [ 4920.772439][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4920.772439][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4920.772439][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4920.772439][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4920.772439][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4920.772439][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4920.772439][ T10] addrconf_dad_begin+0x310/0x670 [ 4920.772439][ T10] addrconf_dad_work+0x10b/0xab0 [ 4920.772439][ T10] process_one_work+0x84d/0x18a0 [ 4920.772439][ T10] worker_thread+0x587/0xd30 [ 4920.772439][ T10] kthread+0x28a/0x350 [ 4920.772439][ T10] ret_from_fork+0x31/0x70 [ 4920.772439][ T10] ret_from_fork_asm+0x1a/0x30 [ 4920.772439][ T10] [ 4920.774879][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4920.774879][ T10] netdev_get_by_index+0x5e/0x80 [ 4920.774879][ T10] fib6_nh_init+0x3d8/0x1580 [ 4920.774879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4920.774879][ T10] ip6_route_add+0x1c/0x140 [ 4920.774879][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4920.774879][ T10] inet6_addr_add+0x4f8/0xa40 [ 4920.774879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4920.774879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.774879][ T10] netlink_rcv_skb+0x130/0x360 [ 4920.774879][ T10] netlink_unicast+0x449/0x710 [ 4920.774879][ T10] netlink_sendmsg+0x723/0xbe0 [ 4920.774879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4920.774879][ T10] ___sys_sendmsg+0xee/0x170 [ 4920.774879][ T10] __sys_sendmsg+0xcd/0x170 [ 4920.774879][ T10] do_syscall_64+0xc6/0x1e0 [ 4920.774879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.774879][ T10] [ 4920.777369][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4920.777369][ T10] netdev_get_by_index+0x5e/0x80 [ 4920.777369][ T10] fib6_nh_init+0x3d8/0x1580 [ 4920.777369][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4920.777369][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4920.777369][ T10] ipv6_add_addr+0x411/0x2000 [ 4920.777369][ T10] inet6_addr_add+0x30e/0xa40 [ 4920.777369][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4920.777369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.777369][ T10] netlink_rcv_skb+0x130/0x360 [ 4920.777369][ T10] netlink_unicast+0x449/0x710 [ 4920.777369][ T10] netlink_sendmsg+0x723/0xbe0 [ 4920.777369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4920.777369][ T10] ___sys_sendmsg+0xee/0x170 [ 4920.777369][ T10] __sys_sendmsg+0xcd/0x170 [ 4920.777369][ T10] do_syscall_64+0xc6/0x1e0 [ 4920.777369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.777369][ T10] [ 4920.779809][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4920.779809][ T10] netdev_get_by_index+0x5e/0x80 [ 4920.779809][ T10] fib6_nh_init+0x3d8/0x1580 [ 4920.779809][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4920.779809][ T10] ip6_route_add+0x1c/0x140 [ 4920.779809][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4920.779809][ T10] addrconf_add_dev+0xe2/0x170 [ 4920.779809][ T10] inet6_addr_add+0x12f/0xa40 [ 4920.779809][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4920.779809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.779809][ T10] netlink_rcv_skb+0x130/0x360 [ 4920.779809][ T10] netlink_unicast+0x449/0x710 [ 4920.779809][ T10] netlink_sendmsg+0x723/0xbe0 [ 4920.779809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4920.779809][ T10] ___sys_sendmsg+0xee/0x170 [ 4920.779809][ T10] __sys_sendmsg+0xcd/0x170 [ 4920.779809][ T10] do_syscall_64+0xc6/0x1e0 [ 4920.779809][ T10] [ 4920.782257][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4920.782257][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4920.782257][ T10] ipv6_find_idev+0x102/0x170 [ 4920.782257][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4920.782257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.782257][ T10] netlink_rcv_skb+0x130/0x360 [ 4920.782257][ T10] netlink_unicast+0x449/0x710 [ 4920.782257][ T10] netlink_sendmsg+0x723/0xbe0 [ 4920.782257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4920.782257][ T10] ___sys_sendmsg+0xee/0x170 [ 4920.782257][ T10] __sys_sendmsg+0xcd/0x170 [ 4920.782257][ T10] do_syscall_64+0xc6/0x1e0 [ 4920.782257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.782257][ T10] [ 4920.784166][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4920.784166][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4920.784166][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4920.784166][ T10] ipv6_find_idev+0x102/0x170 [ 4920.784166][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4920.784166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.784166][ T10] netlink_rcv_skb+0x130/0x360 [ 4920.784166][ T10] netlink_unicast+0x449/0x710 [ 4920.784166][ T10] netlink_sendmsg+0x723/0xbe0 [ 4920.784166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4920.784166][ T10] ___sys_sendmsg+0xee/0x170 [ 4920.784166][ T10] __sys_sendmsg+0xcd/0x170 [ 4920.784166][ T10] do_syscall_64+0xc6/0x1e0 [ 4920.784166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.784166][ T10] [ 4924.825108][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4924.825631][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4924.825631][ T1167] dst_init+0x84/0x4a0 [ 4924.825631][ T1167] dst_alloc+0x97/0x150 [ 4924.825631][ T1167] ip6_dst_alloc+0x23/0x90 [ 4924.825631][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4924.825631][ T1167] ip6_pol_route+0x56f/0x840 [ 4924.825631][ T1167] fib6_rule_lookup+0x334/0x630 [ 4924.825631][ T1167] ip6_route_output_flags+0x259/0x480 [ 4924.825631][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4924.825631][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4924.825631][ T1167] netlink_rcv_skb+0x130/0x360 [ 4924.825631][ T1167] netlink_unicast+0x449/0x710 [ 4924.825631][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4924.825631][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4924.825631][ T1167] ___sys_sendmsg+0xee/0x170 [ 4924.825631][ T1167] __sys_sendmsg+0xcd/0x170 [ 4924.825631][ T1167] do_syscall_64+0xc6/0x1e0 [ 4924.825631][ T1167] [ 4924.827839][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4924.827839][ T1167] netdev_get_by_index+0x5e/0x80 [ 4924.827839][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4924.827839][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4924.827839][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4924.827839][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4924.827839][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4924.827839][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4924.827839][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4924.827839][ T1167] addrconf_dad_begin+0x310/0x670 [ 4924.827839][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4924.827839][ T1167] process_one_work+0x84d/0x18a0 [ 4924.827839][ T1167] worker_thread+0x587/0xd30 [ 4924.827839][ T1167] kthread+0x28a/0x350 [ 4924.827839][ T1167] ret_from_fork+0x31/0x70 [ 4924.827839][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4924.827839][ T1167] [ 4924.829979][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4924.829979][ T1167] netdev_get_by_index+0x5e/0x80 [ 4924.829979][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4924.829979][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4924.829979][ T1167] ip6_route_add+0x1c/0x140 [ 4924.829979][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4924.829979][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4924.829979][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4924.829979][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4924.829979][ T1167] netlink_rcv_skb+0x130/0x360 [ 4924.829979][ T1167] netlink_unicast+0x449/0x710 [ 4924.829979][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4924.829979][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4924.829979][ T1167] ___sys_sendmsg+0xee/0x170 [ 4924.829979][ T1167] __sys_sendmsg+0xcd/0x170 [ 4924.829979][ T1167] do_syscall_64+0xc6/0x1e0 [ 4924.829979][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4924.829979][ T1167] [ 4924.832210][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4924.832210][ T1167] netdev_get_by_index+0x5e/0x80 [ 4924.832210][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4924.832210][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4924.832210][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4924.832210][ T1167] ipv6_add_addr+0x411/0x2000 [ 4924.832210][ T1167] inet6_addr_add+0x30e/0xa40 [ 4924.832210][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4924.832210][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4924.832210][ T1167] netlink_rcv_skb+0x130/0x360 [ 4924.832210][ T1167] netlink_unicast+0x449/0x710 [ 4924.832210][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4924.832210][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4924.832210][ T1167] ___sys_sendmsg+0xee/0x170 [ 4924.832210][ T1167] __sys_sendmsg+0xcd/0x170 [ 4924.832210][ T1167] do_syscall_64+0xc6/0x1e0 [ 4924.832210][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4924.832210][ T1167] [ 4924.834450][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4924.834450][ T1167] netdev_get_by_index+0x5e/0x80 [ 4924.834450][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4924.834450][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4924.834450][ T1167] ip6_route_add+0x1c/0x140 [ 4924.834450][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4924.834450][ T1167] addrconf_add_dev+0xe2/0x170 [ 4924.834450][ T1167] inet6_addr_add+0x12f/0xa40 [ 4924.834450][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4924.834450][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4924.834450][ T1167] netlink_rcv_skb+0x130/0x360 [ 4924.834450][ T1167] netlink_unicast+0x449/0x710 [ 4924.834450][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4924.834450][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4924.834450][ T1167] ___sys_sendmsg+0xee/0x170 [ 4924.834450][ T1167] __sys_sendmsg+0xcd/0x170 [ 4924.834450][ T1167] do_syscall_64+0xc6/0x1e0 [ 4924.834450][ T1167] [ 4924.836651][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4924.836651][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4924.836651][ T1167] ipv6_find_idev+0x102/0x170 [ 4924.836651][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4924.836651][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4924.836651][ T1167] netlink_rcv_skb+0x130/0x360 [ 4924.836651][ T1167] netlink_unicast+0x449/0x710 [ 4924.836651][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4924.836651][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4924.836651][ T1167] ___sys_sendmsg+0xee/0x170 [ 4924.836651][ T1167] __sys_sendmsg+0xcd/0x170 [ 4924.836651][ T1167] do_syscall_64+0xc6/0x1e0 [ 4924.836651][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4924.836651][ T1167] [ 4924.838373][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4924.838373][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4924.838373][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4924.838373][ T1167] ipv6_find_idev+0x102/0x170 [ 4924.838373][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4924.838373][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4924.838373][ T1167] netlink_rcv_skb+0x130/0x360 [ 4924.838373][ T1167] netlink_unicast+0x449/0x710 [ 4924.838373][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4924.838373][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4924.838373][ T1167] ___sys_sendmsg+0xee/0x170 [ 4924.838373][ T1167] __sys_sendmsg+0xcd/0x170 [ 4924.838373][ T1167] do_syscall_64+0xc6/0x1e0 [ 4924.838373][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4924.838373][ T1167] [ 4931.025110][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4931.025512][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4931.025512][ T10] netdev_get_by_index+0x5e/0x80 [ 4931.025512][ T10] fib6_nh_init+0x3d8/0x1580 [ 4931.025512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4931.025512][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4931.025512][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4931.025512][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4931.025512][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4931.025512][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4931.025512][ T10] addrconf_dad_begin+0x310/0x670 [ 4931.025512][ T10] addrconf_dad_work+0x10b/0xab0 [ 4931.025512][ T10] process_one_work+0x84d/0x18a0 [ 4931.025512][ T10] worker_thread+0x587/0xd30 [ 4931.025512][ T10] kthread+0x28a/0x350 [ 4931.025512][ T10] ret_from_fork+0x31/0x70 [ 4931.025512][ T10] ret_from_fork_asm+0x1a/0x30 [ 4931.025512][ T10] [ 4931.027724][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4931.027724][ T10] netdev_get_by_index+0x5e/0x80 [ 4931.027724][ T10] fib6_nh_init+0x3d8/0x1580 [ 4931.027724][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4931.027724][ T10] ip6_route_add+0x1c/0x140 [ 4931.027724][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4931.027724][ T10] inet6_addr_add+0x4f8/0xa40 [ 4931.027724][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4931.027724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4931.027724][ T10] netlink_rcv_skb+0x130/0x360 [ 4931.027724][ T10] netlink_unicast+0x449/0x710 [ 4931.027724][ T10] netlink_sendmsg+0x723/0xbe0 [ 4931.027724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4931.027724][ T10] ___sys_sendmsg+0xee/0x170 [ 4931.027724][ T10] __sys_sendmsg+0xcd/0x170 [ 4931.027724][ T10] do_syscall_64+0xc6/0x1e0 [ 4931.027724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4931.027724][ T10] [ 4931.029961][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4931.029961][ T10] netdev_get_by_index+0x5e/0x80 [ 4931.029961][ T10] fib6_nh_init+0x3d8/0x1580 [ 4931.029961][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4931.029961][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4931.029961][ T10] ipv6_add_addr+0x411/0x2000 [ 4931.029961][ T10] inet6_addr_add+0x30e/0xa40 [ 4931.029961][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4931.029961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4931.029961][ T10] netlink_rcv_skb+0x130/0x360 [ 4931.029961][ T10] netlink_unicast+0x449/0x710 [ 4931.029961][ T10] netlink_sendmsg+0x723/0xbe0 [ 4931.029961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4931.029961][ T10] ___sys_sendmsg+0xee/0x170 [ 4931.029961][ T10] __sys_sendmsg+0xcd/0x170 [ 4931.029961][ T10] do_syscall_64+0xc6/0x1e0 [ 4931.029961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4931.029961][ T10] [ 4931.032227][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4931.032227][ T10] netdev_get_by_index+0x5e/0x80 [ 4931.032227][ T10] fib6_nh_init+0x3d8/0x1580 [ 4931.032227][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4931.032227][ T10] ip6_route_add+0x1c/0x140 [ 4931.032227][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4931.032227][ T10] addrconf_add_dev+0xe2/0x170 [ 4931.032227][ T10] inet6_addr_add+0x12f/0xa40 [ 4931.032227][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4931.032227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4931.032227][ T10] netlink_rcv_skb+0x130/0x360 [ 4931.032227][ T10] netlink_unicast+0x449/0x710 [ 4931.032227][ T10] netlink_sendmsg+0x723/0xbe0 [ 4931.032227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4931.032227][ T10] ___sys_sendmsg+0xee/0x170 [ 4931.032227][ T10] __sys_sendmsg+0xcd/0x170 [ 4931.032227][ T10] do_syscall_64+0xc6/0x1e0 [ 4931.032227][ T10] [ 4931.034433][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4931.034433][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4931.034433][ T10] ipv6_find_idev+0x102/0x170 [ 4931.034433][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4931.034433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4931.034433][ T10] netlink_rcv_skb+0x130/0x360 [ 4931.034433][ T10] netlink_unicast+0x449/0x710 [ 4931.034433][ T10] netlink_sendmsg+0x723/0xbe0 [ 4931.034433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4931.034433][ T10] ___sys_sendmsg+0xee/0x170 [ 4931.034433][ T10] __sys_sendmsg+0xcd/0x170 [ 4931.034433][ T10] do_syscall_64+0xc6/0x1e0 [ 4931.034433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4931.034433][ T10] [ 4931.036199][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4931.036199][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4931.036199][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4931.036199][ T10] ipv6_find_idev+0x102/0x170 [ 4931.036199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4931.036199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4931.036199][ T10] netlink_rcv_skb+0x130/0x360 [ 4931.036199][ T10] netlink_unicast+0x449/0x710 [ 4931.036199][ T10] netlink_sendmsg+0x723/0xbe0 [ 4931.036199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4931.036199][ T10] ___sys_sendmsg+0xee/0x170 [ 4931.036199][ T10] __sys_sendmsg+0xcd/0x170 [ 4931.036199][ T10] do_syscall_64+0xc6/0x1e0 [ 4931.036199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4931.036199][ T10] [ 4931.038095][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4931.038364][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4931.038364][ T10] netdev_get_by_index+0x5e/0x80 [ 4931.038364][ T10] fib6_nh_init+0x3d8/0x1580 [ 4931.038364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4931.038364][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4931.038364][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4931.038364][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4931.038364][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4931.038364][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4931.038364][ T10] addrconf_dad_begin+0x310/0x670 [ 4931.038364][ T10] addrconf_dad_work+0x10b/0xab0 [ 4931.038364][ T10] process_one_work+0x84d/0x18a0 [ 4931.038364][ T10] worker_thread+0x587/0xd30 [ 4931.038364][ T10] kthread+0x28a/0x350 [ 4931.038364][ T10] ret_from_fork+0x31/0x70 [ 4931.038364][ T10] ret_from_fork_asm+0x1a/0x30 [ 4931.038364][ T10] [ 4931.040508][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4931.040508][ T10] netdev_get_by_index+0x5e/0x80 [ 4931.040508][ T10] fib6_nh_init+0x3d8/0x1580 [ 4931.040508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4931.040508][ T10] ip6_route_add+0x1c/0x140 [ 4931.040508][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4931.040508][ T10] inet6_addr_add+0x4f8/0xa40 [ 4931.040508][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4931.040508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4931.040508][ T10] netlink_rcv_skb+0x130/0x360 [ 4931.040508][ T10] netlink_unicast+0x449/0x710 [ 4931.040508][ T10] netlink_sendmsg+0x723/0xbe0 [ 4931.040508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4931.040508][ T10] ___sys_sendmsg+0xee/0x170 [ 4931.040508][ T10] __sys_sendmsg+0xcd/0x170 [ 4931.040508][ T10] do_syscall_64+0xc6/0x1e0 [ 4931.040508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4931.040508][ T10] [ 4931.042746][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4931.042746][ T10] netdev_get_by_index+0x5e/0x80 [ 4931.042746][ T10] fib6_nh_init+0x3d8/0x1580 [ 4931.042746][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4931.042746][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4931.042746][ T10] ipv6_add_addr+0x411/0x2000 [ 4931.042746][ T10] inet6_addr_add+0x30e/0xa40 [ 4931.042746][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4931.042746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4931.042746][ T10] netlink_rcv_skb+0x130/0x360 [ 4931.042746][ T10] netlink_unicast+0x449/0x710 [ 4931.042746][ T10] netlink_sendmsg+0x723/0xbe0 [ 4931.042746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4931.042746][ T10] ___sys_sendmsg+0xee/0x170 [ 4931.042746][ T10] __sys_sendmsg+0xcd/0x170 [ 4931.042746][ T10] do_syscall_64+0xc6/0x1e0 [ 4931.042746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4931.042746][ T10] [ 4931.044994][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4931.044994][ T10] netdev_get_by_index+0x5e/0x80 [ 4931.044994][ T10] fib6_nh_init+0x3d8/0x1580 [ 4931.044994][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4931.044994][ T10] ip6_route_add+0x1c/0x140 [ 4931.044994][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4931.044994][ T10] addrconf_add_dev+0xe2/0x170 [ 4931.044994][ T10] inet6_addr_add+0x12f/0xa40 [ 4931.044994][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4931.044994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4931.044994][ T10] netlink_rcv_skb+0x130/0x360 [ 4931.044994][ T10] netlink_unicast+0x449/0x710 [ 4931.044994][ T10] netlink_sendmsg+0x723/0xbe0 [ 4931.044994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4931.044994][ T10] ___sys_sendmsg+0xee/0x170 [ 4931.044994][ T10] __sys_sendmsg+0xcd/0x170 [ 4931.044994][ T10] do_syscall_64+0xc6/0x1e0 [ 4931.044994][ T10] [ 4931.047217][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4931.047217][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4931.047217][ T10] ipv6_find_idev+0x102/0x170 [ 4931.047217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4931.047217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4931.047217][ T10] netlink_rcv_skb+0x130/0x360 [ 4931.047217][ T10] netlink_unicast+0x449/0x710 [ 4931.047217][ T10] netlink_sendmsg+0x723/0xbe0 [ 4931.047217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4931.047217][ T10] ___sys_sendmsg+0xee/0x170 [ 4931.047217][ T10] __sys_sendmsg+0xcd/0x170 [ 4931.047217][ T10] do_syscall_64+0xc6/0x1e0 [ 4931.047217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4931.047217][ T10] [ 4931.048952][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4931.048952][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4931.048952][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4931.048952][ T10] ipv6_find_idev+0x102/0x170 [ 4931.048952][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4931.048952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4931.048952][ T10] netlink_rcv_skb+0x130/0x360 [ 4931.048952][ T10] netlink_unicast+0x449/0x710 [ 4931.048952][ T10] netlink_sendmsg+0x723/0xbe0 [ 4931.048952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4931.048952][ T10] ___sys_sendmsg+0xee/0x170 [ 4931.048952][ T10] __sys_sendmsg+0xcd/0x170 [ 4931.048952][ T10] do_syscall_64+0xc6/0x1e0 [ 4931.048952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4931.048952][ T10] [ 4931.050837][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4931.051111][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4931.051111][ T10] netdev_get_by_index+0x5e/0x80 [ 4931.051111][ T10] fib6_nh_init+0x3d8/0x1580 [ 4931.051111][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4931.051111][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4931.051111][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4931.051111][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4931.051111][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4931.051111][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4931.051111][ T10] addrconf_dad_begin+0x310/0x670 [ 4931.051111][ T10] addrconf_dad_work+0x10b/0xab0 [ 4931.051111][ T10] process_one_work+0x84d/0x18a0 [ 4931.051111][ T10] worker_thread+0x587/0xd30 [ 4931.051111][ T10] kthread+0x28a/0x350 [ 4931.051111][ T10] ret_from_fork+0x31/0x70 [ 4931.051111][ T10] ret_from_fork_asm+0x1a/0x30 [ 4931.051111][ T10] [ 4931.053266][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4931.053266][ T10] netdev_get_by_index+0x5e/0x80 [ 4931.053266][ T10] fib6_nh_init+0x3d8/0x1580 [ 4931.053266][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4931.053266][ T10] ip6_route_add+0x1c/0x140 [ 4931.053266][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4931.053266][ T10] inet6_addr_add+0x4f8/0xa40 [ 4931.053266][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4931.053266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4931.053266][ T10] netlink_rcv_skb+0x130/0x360 [ 4931.053266][ T10] netlink_unicast+0x449/0x710 [ 4931.053266][ T10] netlink_sendmsg+0x723/0xbe0 [ 4931.053266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4931.053266][ T10] ___sys_sendmsg+0xee/0x170 [ 4931.053266][ T10] __sys_sendmsg+0xcd/0x170 [ 4931.053266][ T10] do_syscall_64+0xc6/0x1e0 [ 4931.053266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4931.053266][ T10] [ 4931.055669][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4931.055669][ T10] netdev_get_by_index+0x5e/0x80 [ 4931.055669][ T10] fib6_nh_init+0x3d8/0x1580 [ 4931.055669][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4931.055669][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4931.055669][ T10] ipv6_add_addr+0x411/0x2000 [ 4931.055669][ T10] inet6_addr_add+0x30e/0xa40 [ 4931.055669][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4931.055669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4931.055669][ T10] netlink_rcv_skb+0x130/0x360 [ 4931.055669][ T10] netlink_unicast+0x449/0x710 [ 4931.055669][ T10] netlink_sendmsg+0x723/0xbe0 [ 4931.055669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4931.055669][ T10] ___sys_sendmsg+0xee/0x170 [ 4931.055669][ T10] __sys_sendmsg+0xcd/0x170 [ 4931.055669][ T10] do_syscall_64+0xc6/0x1e0 [ 4931.055669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4931.055669][ T10] [ 4931.058048][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4931.058048][ T10] netdev_get_by_index+0x5e/0x80 [ 4931.058048][ T10] fib6_nh_init+0x3d8/0x1580 [ 4931.058048][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4931.058048][ T10] ip6_route_add+0x1c/0x140 [ 4931.058048][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4931.058048][ T10] addrconf_add_dev+0xe2/0x170 [ 4931.058048][ T10] inet6_addr_add+0x12f/0xa40 [ 4931.058048][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4931.058048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4931.058048][ T10] netlink_rcv_skb+0x130/0x360 [ 4931.058048][ T10] netlink_unicast+0x449/0x710 [ 4931.058048][ T10] netlink_sendmsg+0x723/0xbe0 [ 4931.058048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4931.058048][ T10] ___sys_sendmsg+0xee/0x170 [ 4931.058048][ T10] __sys_sendmsg+0xcd/0x170 [ 4931.058048][ T10] do_syscall_64+0xc6/0x1e0 [ 4931.058048][ T10] [ 4931.060410][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4931.060410][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4931.060410][ T10] ipv6_find_idev+0x102/0x170 [ 4931.060410][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4931.060410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4931.060410][ T10] netlink_rcv_skb+0x130/0x360 [ 4931.060410][ T10] netlink_unicast+0x449/0x710 [ 4931.060410][ T10] netlink_sendmsg+0x723/0xbe0 [ 4931.060410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4931.060410][ T10] ___sys_sendmsg+0xee/0x170 [ 4931.060410][ T10] __sys_sendmsg+0xcd/0x170 [ 4931.060410][ T10] do_syscall_64+0xc6/0x1e0 [ 4931.060410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4931.060410][ T10] [ 4931.062199][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4931.062199][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4931.062199][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4931.062199][ T10] ipv6_find_idev+0x102/0x170 [ 4931.062199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4931.062199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4931.062199][ T10] netlink_rcv_skb+0x130/0x360 [ 4931.062199][ T10] netlink_unicast+0x449/0x710 [ 4931.062199][ T10] netlink_sendmsg+0x723/0xbe0 [ 4931.062199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4931.062199][ T10] ___sys_sendmsg+0xee/0x170 [ 4931.062199][ T10] __sys_sendmsg+0xcd/0x170 [ 4931.062199][ T10] do_syscall_64+0xc6/0x1e0 [ 4931.062199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4931.062199][ T10] [ 4931.064307][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4931.064573][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4931.064573][ T10] netdev_get_by_index+0x5e/0x80 [ 4931.064573][ T10] fib6_nh_init+0x3d8/0x1580 [ 4931.064573][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4931.064573][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4931.064573][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4931.064573][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4931.064573][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4931.064573][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4931.064573][ T10] addrconf_dad_begin+0x310/0x670 [ 4931.064573][ T10] addrconf_dad_work+0x10b/0xab0 [ 4931.064573][ T10] process_one_work+0x84d/0x18a0 [ 4931.064573][ T10] worker_thread+0x587/0xd30 [ 4931.064573][ T10] kthread+0x28a/0x350 [ 4931.064573][ T10] ret_from_fork+0x31/0x70 [ 4931.064573][ T10] ret_from_fork_asm+0x1a/0x30 [ 4931.064573][ T10] [ 4931.066867][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4931.066867][ T10] netdev_get_by_index+0x5e/0x80 [ 4931.066867][ T10] fib6_nh_init+0x3d8/0x1580 [ 4931.066867][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4931.066867][ T10] ip6_route_add+0x1c/0x140 [ 4931.066867][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4931.066867][ T10] inet6_addr_add+0x4f8/0xa40 [ 4931.066867][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4931.066867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4931.066867][ T10] netlink_rcv_skb+0x130/0x360 [ 4931.066867][ T10] netlink_unicast+0x449/0x710 [ 4931.066867][ T10] netlink_sendmsg+0x723/0xbe0 [ 4931.066867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4931.066867][ T10] ___sys_sendmsg+0xee/0x170 [ 4931.066867][ T10] __sys_sendmsg+0xcd/0x170 [ 4931.066867][ T10] do_syscall_64+0xc6/0x1e0 [ 4931.066867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4931.066867][ T10] [ 4931.069252][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4931.069252][ T10] netdev_get_by_index+0x5e/0x80 [ 4931.069252][ T10] fib6_nh_init+0x3d8/0x1580 [ 4931.069252][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4931.069252][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4931.069252][ T10] ipv6_add_addr+0x411/0x2000 [ 4931.069252][ T10] inet6_addr_add+0x30e/0xa40 [ 4931.069252][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4931.069252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4931.069252][ T10] netlink_rcv_skb+0x130/0x360 [ 4931.069252][ T10] netlink_unicast+0x449/0x710 [ 4931.069252][ T10] netlink_sendmsg+0x723/0xbe0 [ 4931.069252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4931.069252][ T10] ___sys_sendmsg+0xee/0x170 [ 4931.069252][ T10] __sys_sendmsg+0xcd/0x170 [ 4931.069252][ T10] do_syscall_64+0xc6/0x1e0 [ 4931.069252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4931.069252][ T10] [ 4931.071624][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4931.071624][ T10] netdev_get_by_index+0x5e/0x80 [ 4931.071624][ T10] fib6_nh_init+0x3d8/0x1580 [ 4931.071624][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4931.071624][ T10] ip6_route_add+0x1c/0x140 [ 4931.071624][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4931.071624][ T10] addrconf_add_dev+0xe2/0x170 [ 4931.071624][ T10] inet6_addr_add+0x12f/0xa40 [ 4931.071624][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4931.071624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4931.071624][ T10] netlink_rcv_skb+0x130/0x360 [ 4931.071624][ T10] netlink_unicast+0x449/0x710 [ 4931.071624][ T10] netlink_sendmsg+0x723/0xbe0 [ 4931.071624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4931.071624][ T10] ___sys_sendmsg+0xee/0x170 [ 4931.071624][ T10] __sys_sendmsg+0xcd/0x170 [ 4931.071624][ T10] do_syscall_64+0xc6/0x1e0 [ 4931.071624][ T10] [ 4931.073975][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4931.073975][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4931.073975][ T10] ipv6_find_idev+0x102/0x170 [ 4931.073975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4931.073975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4931.073975][ T10] netlink_rcv_skb+0x130/0x360 [ 4931.073975][ T10] netlink_unicast+0x449/0x710 [ 4931.073975][ T10] netlink_sendmsg+0x723/0xbe0 [ 4931.073975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4931.073975][ T10] ___sys_sendmsg+0xee/0x170 [ 4931.073975][ T10] __sys_sendmsg+0xcd/0x170 [ 4931.073975][ T10] do_syscall_64+0xc6/0x1e0 [ 4931.073975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4931.073975][ T10] [ 4931.075780][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4931.075780][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4931.075780][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4931.075780][ T10] ipv6_find_idev+0x102/0x170 [ 4931.075780][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4931.075780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4931.075780][ T10] netlink_rcv_skb+0x130/0x360 [ 4931.075780][ T10] netlink_unicast+0x449/0x710 [ 4931.075780][ T10] netlink_sendmsg+0x723/0xbe0 [ 4931.075780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4931.075780][ T10] ___sys_sendmsg+0xee/0x170 [ 4931.075780][ T10] __sys_sendmsg+0xcd/0x170 [ 4931.075780][ T10] do_syscall_64+0xc6/0x1e0 [ 4931.075780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4931.075780][ T10] [ 4935.089120][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4935.089646][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4935.089646][ T1167] dst_init+0x84/0x4a0 [ 4935.089646][ T1167] dst_alloc+0x97/0x150 [ 4935.089646][ T1167] ip6_dst_alloc+0x23/0x90 [ 4935.089646][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4935.089646][ T1167] ip6_pol_route+0x56f/0x840 [ 4935.089646][ T1167] fib6_rule_lookup+0x334/0x630 [ 4935.089646][ T1167] ip6_route_output_flags+0x259/0x480 [ 4935.089646][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4935.089646][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4935.089646][ T1167] netlink_rcv_skb+0x130/0x360 [ 4935.089646][ T1167] netlink_unicast+0x449/0x710 [ 4935.089646][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4935.089646][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4935.089646][ T1167] ___sys_sendmsg+0xee/0x170 [ 4935.089646][ T1167] __sys_sendmsg+0xcd/0x170 [ 4935.089646][ T1167] do_syscall_64+0xc6/0x1e0 [ 4935.089646][ T1167] [ 4935.091876][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4935.091876][ T1167] netdev_get_by_index+0x5e/0x80 [ 4935.091876][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4935.091876][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4935.091876][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4935.091876][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4935.091876][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4935.091876][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4935.091876][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4935.091876][ T1167] addrconf_dad_begin+0x310/0x670 [ 4935.091876][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4935.091876][ T1167] process_one_work+0x84d/0x18a0 [ 4935.091876][ T1167] worker_thread+0x587/0xd30 [ 4935.091876][ T1167] kthread+0x28a/0x350 [ 4935.091876][ T1167] ret_from_fork+0x31/0x70 [ 4935.091876][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4935.091876][ T1167] [ 4935.094145][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4935.094145][ T1167] netdev_get_by_index+0x5e/0x80 [ 4935.094145][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4935.094145][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4935.094145][ T1167] ip6_route_add+0x1c/0x140 [ 4935.094145][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4935.094145][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4935.094145][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4935.094145][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4935.094145][ T1167] netlink_rcv_skb+0x130/0x360 [ 4935.094145][ T1167] netlink_unicast+0x449/0x710 [ 4935.094145][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4935.094145][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4935.094145][ T1167] ___sys_sendmsg+0xee/0x170 [ 4935.094145][ T1167] __sys_sendmsg+0xcd/0x170 [ 4935.094145][ T1167] do_syscall_64+0xc6/0x1e0 [ 4935.094145][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4935.094145][ T1167] [ 4935.096422][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4935.096422][ T1167] netdev_get_by_index+0x5e/0x80 [ 4935.096422][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4935.096422][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4935.096422][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4935.096422][ T1167] ipv6_add_addr+0x411/0x2000 [ 4935.096422][ T1167] inet6_addr_add+0x30e/0xa40 [ 4935.096422][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4935.096422][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4935.096422][ T1167] netlink_rcv_skb+0x130/0x360 [ 4935.096422][ T1167] netlink_unicast+0x449/0x710 [ 4935.096422][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4935.096422][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4935.096422][ T1167] ___sys_sendmsg+0xee/0x170 [ 4935.096422][ T1167] __sys_sendmsg+0xcd/0x170 [ 4935.096422][ T1167] do_syscall_64+0xc6/0x1e0 [ 4935.096422][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4935.096422][ T1167] [ 4935.098680][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4935.098680][ T1167] netdev_get_by_index+0x5e/0x80 [ 4935.098680][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4935.098680][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4935.098680][ T1167] ip6_route_add+0x1c/0x140 [ 4935.098680][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4935.098680][ T1167] addrconf_add_dev+0xe2/0x170 [ 4935.098680][ T1167] inet6_addr_add+0x12f/0xa40 [ 4935.098680][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4935.098680][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4935.098680][ T1167] netlink_rcv_skb+0x130/0x360 [ 4935.098680][ T1167] netlink_unicast+0x449/0x710 [ 4935.098680][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4935.098680][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4935.098680][ T1167] ___sys_sendmsg+0xee/0x170 [ 4935.098680][ T1167] __sys_sendmsg+0xcd/0x170 [ 4935.098680][ T1167] do_syscall_64+0xc6/0x1e0 [ 4935.098680][ T1167] [ 4935.100914][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4935.100914][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4935.100914][ T1167] ipv6_find_idev+0x102/0x170 [ 4935.100914][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4935.100914][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4935.100914][ T1167] netlink_rcv_skb+0x130/0x360 [ 4935.100914][ T1167] netlink_unicast+0x449/0x710 [ 4935.100914][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4935.100914][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4935.100914][ T1167] ___sys_sendmsg+0xee/0x170 [ 4935.100914][ T1167] __sys_sendmsg+0xcd/0x170 [ 4935.100914][ T1167] do_syscall_64+0xc6/0x1e0 [ 4935.100914][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4935.100914][ T1167] [ 4935.102655][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4935.102655][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4935.102655][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4935.102655][ T1167] ipv6_find_idev+0x102/0x170 [ 4935.102655][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4935.102655][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4935.102655][ T1167] netlink_rcv_skb+0x130/0x360 [ 4935.102655][ T1167] netlink_unicast+0x449/0x710 [ 4935.102655][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4935.102655][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4935.102655][ T1167] ___sys_sendmsg+0xee/0x170 [ 4935.102655][ T1167] __sys_sendmsg+0xcd/0x170 [ 4935.102655][ T1167] do_syscall_64+0xc6/0x1e0 [ 4935.102655][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4935.102655][ T1167] [ 4941.313199][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4941.313633][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4941.313633][ T10] netdev_get_by_index+0x5e/0x80 [ 4941.313633][ T10] fib6_nh_init+0x3d8/0x1580 [ 4941.313633][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4941.313633][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4941.313633][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4941.313633][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4941.313633][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4941.313633][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4941.313633][ T10] addrconf_dad_begin+0x310/0x670 [ 4941.313633][ T10] addrconf_dad_work+0x10b/0xab0 [ 4941.313633][ T10] process_one_work+0x84d/0x18a0 [ 4941.313633][ T10] worker_thread+0x587/0xd30 [ 4941.313633][ T10] kthread+0x28a/0x350 [ 4941.313633][ T10] ret_from_fork+0x31/0x70 [ 4941.313633][ T10] ret_from_fork_asm+0x1a/0x30 [ 4941.313633][ T10] [ 4941.315994][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4941.315994][ T10] netdev_get_by_index+0x5e/0x80 [ 4941.315994][ T10] fib6_nh_init+0x3d8/0x1580 [ 4941.315994][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4941.315994][ T10] ip6_route_add+0x1c/0x140 [ 4941.315994][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4941.315994][ T10] inet6_addr_add+0x4f8/0xa40 [ 4941.315994][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4941.315994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.315994][ T10] netlink_rcv_skb+0x130/0x360 [ 4941.315994][ T10] netlink_unicast+0x449/0x710 [ 4941.315994][ T10] netlink_sendmsg+0x723/0xbe0 [ 4941.315994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4941.315994][ T10] ___sys_sendmsg+0xee/0x170 [ 4941.315994][ T10] __sys_sendmsg+0xcd/0x170 [ 4941.315994][ T10] do_syscall_64+0xc6/0x1e0 [ 4941.315994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.315994][ T10] [ 4941.318347][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4941.318347][ T10] netdev_get_by_index+0x5e/0x80 [ 4941.318347][ T10] fib6_nh_init+0x3d8/0x1580 [ 4941.318347][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4941.318347][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4941.318347][ T10] ipv6_add_addr+0x411/0x2000 [ 4941.318347][ T10] inet6_addr_add+0x30e/0xa40 [ 4941.318347][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4941.318347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.318347][ T10] netlink_rcv_skb+0x130/0x360 [ 4941.318347][ T10] netlink_unicast+0x449/0x710 [ 4941.318347][ T10] netlink_sendmsg+0x723/0xbe0 [ 4941.318347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4941.318347][ T10] ___sys_sendmsg+0xee/0x170 [ 4941.318347][ T10] __sys_sendmsg+0xcd/0x170 [ 4941.318347][ T10] do_syscall_64+0xc6/0x1e0 [ 4941.318347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.318347][ T10] [ 4941.320720][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4941.320720][ T10] netdev_get_by_index+0x5e/0x80 [ 4941.320720][ T10] fib6_nh_init+0x3d8/0x1580 [ 4941.320720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4941.320720][ T10] ip6_route_add+0x1c/0x140 [ 4941.320720][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4941.320720][ T10] addrconf_add_dev+0xe2/0x170 [ 4941.320720][ T10] inet6_addr_add+0x12f/0xa40 [ 4941.320720][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4941.320720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.320720][ T10] netlink_rcv_skb+0x130/0x360 [ 4941.320720][ T10] netlink_unicast+0x449/0x710 [ 4941.320720][ T10] netlink_sendmsg+0x723/0xbe0 [ 4941.320720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4941.320720][ T10] ___sys_sendmsg+0xee/0x170 [ 4941.320720][ T10] __sys_sendmsg+0xcd/0x170 [ 4941.320720][ T10] do_syscall_64+0xc6/0x1e0 [ 4941.320720][ T10] [ 4941.323110][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4941.323110][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4941.323110][ T10] ipv6_find_idev+0x102/0x170 [ 4941.323110][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4941.323110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.323110][ T10] netlink_rcv_skb+0x130/0x360 [ 4941.323110][ T10] netlink_unicast+0x449/0x710 [ 4941.323110][ T10] netlink_sendmsg+0x723/0xbe0 [ 4941.323110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4941.323110][ T10] ___sys_sendmsg+0xee/0x170 [ 4941.323110][ T10] __sys_sendmsg+0xcd/0x170 [ 4941.323110][ T10] do_syscall_64+0xc6/0x1e0 [ 4941.323110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.323110][ T10] [ 4941.324862][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4941.324862][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4941.324862][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4941.324862][ T10] ipv6_find_idev+0x102/0x170 [ 4941.324862][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4941.324862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.324862][ T10] netlink_rcv_skb+0x130/0x360 [ 4941.324862][ T10] netlink_unicast+0x449/0x710 [ 4941.324862][ T10] netlink_sendmsg+0x723/0xbe0 [ 4941.324862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4941.324862][ T10] ___sys_sendmsg+0xee/0x170 [ 4941.324862][ T10] __sys_sendmsg+0xcd/0x170 [ 4941.324862][ T10] do_syscall_64+0xc6/0x1e0 [ 4941.324862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.324862][ T10] [ 4941.326768][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4941.327130][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4941.327130][ T10] netdev_get_by_index+0x5e/0x80 [ 4941.327130][ T10] fib6_nh_init+0x3d8/0x1580 [ 4941.327130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4941.327130][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4941.327130][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4941.327130][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4941.327130][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4941.327130][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4941.327130][ T10] addrconf_dad_begin+0x310/0x670 [ 4941.327130][ T10] addrconf_dad_work+0x10b/0xab0 [ 4941.327130][ T10] process_one_work+0x84d/0x18a0 [ 4941.327130][ T10] worker_thread+0x587/0xd30 [ 4941.327130][ T10] kthread+0x28a/0x350 [ 4941.327130][ T10] ret_from_fork+0x31/0x70 [ 4941.327130][ T10] ret_from_fork_asm+0x1a/0x30 [ 4941.327130][ T10] [ 4941.329364][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4941.329364][ T10] netdev_get_by_index+0x5e/0x80 [ 4941.329364][ T10] fib6_nh_init+0x3d8/0x1580 [ 4941.329364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4941.329364][ T10] ip6_route_add+0x1c/0x140 [ 4941.329364][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4941.329364][ T10] inet6_addr_add+0x4f8/0xa40 [ 4941.329364][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4941.329364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.329364][ T10] netlink_rcv_skb+0x130/0x360 [ 4941.329364][ T10] netlink_unicast+0x449/0x710 [ 4941.329364][ T10] netlink_sendmsg+0x723/0xbe0 [ 4941.329364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4941.329364][ T10] ___sys_sendmsg+0xee/0x170 [ 4941.329364][ T10] __sys_sendmsg+0xcd/0x170 [ 4941.329364][ T10] do_syscall_64+0xc6/0x1e0 [ 4941.329364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.329364][ T10] [ 4941.331637][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4941.331637][ T10] netdev_get_by_index+0x5e/0x80 [ 4941.331637][ T10] fib6_nh_init+0x3d8/0x1580 [ 4941.331637][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4941.331637][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4941.331637][ T10] ipv6_add_addr+0x411/0x2000 [ 4941.331637][ T10] inet6_addr_add+0x30e/0xa40 [ 4941.331637][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4941.331637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.331637][ T10] netlink_rcv_skb+0x130/0x360 [ 4941.331637][ T10] netlink_unicast+0x449/0x710 [ 4941.331637][ T10] netlink_sendmsg+0x723/0xbe0 [ 4941.331637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4941.331637][ T10] ___sys_sendmsg+0xee/0x170 [ 4941.331637][ T10] __sys_sendmsg+0xcd/0x170 [ 4941.331637][ T10] do_syscall_64+0xc6/0x1e0 [ 4941.331637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.331637][ T10] [ 4941.333893][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4941.333893][ T10] netdev_get_by_index+0x5e/0x80 [ 4941.333893][ T10] fib6_nh_init+0x3d8/0x1580 [ 4941.333893][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4941.333893][ T10] ip6_route_add+0x1c/0x140 [ 4941.333893][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4941.333893][ T10] addrconf_add_dev+0xe2/0x170 [ 4941.333893][ T10] inet6_addr_add+0x12f/0xa40 [ 4941.333893][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4941.333893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.333893][ T10] netlink_rcv_skb+0x130/0x360 [ 4941.333893][ T10] netlink_unicast+0x449/0x710 [ 4941.333893][ T10] netlink_sendmsg+0x723/0xbe0 [ 4941.333893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4941.333893][ T10] ___sys_sendmsg+0xee/0x170 [ 4941.333893][ T10] __sys_sendmsg+0xcd/0x170 [ 4941.333893][ T10] do_syscall_64+0xc6/0x1e0 [ 4941.333893][ T10] [ 4941.336125][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4941.336125][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4941.336125][ T10] ipv6_find_idev+0x102/0x170 [ 4941.336125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4941.336125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.336125][ T10] netlink_rcv_skb+0x130/0x360 [ 4941.336125][ T10] netlink_unicast+0x449/0x710 [ 4941.336125][ T10] netlink_sendmsg+0x723/0xbe0 [ 4941.336125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4941.336125][ T10] ___sys_sendmsg+0xee/0x170 [ 4941.336125][ T10] __sys_sendmsg+0xcd/0x170 [ 4941.336125][ T10] do_syscall_64+0xc6/0x1e0 [ 4941.336125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.336125][ T10] [ 4941.337846][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4941.337846][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4941.337846][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4941.337846][ T10] ipv6_find_idev+0x102/0x170 [ 4941.337846][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4941.337846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.337846][ T10] netlink_rcv_skb+0x130/0x360 [ 4941.337846][ T10] netlink_unicast+0x449/0x710 [ 4941.337846][ T10] netlink_sendmsg+0x723/0xbe0 [ 4941.337846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4941.337846][ T10] ___sys_sendmsg+0xee/0x170 [ 4941.337846][ T10] __sys_sendmsg+0xcd/0x170 [ 4941.337846][ T10] do_syscall_64+0xc6/0x1e0 [ 4941.337846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.337846][ T10] [ 4941.339762][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4941.340032][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4941.340032][ T10] netdev_get_by_index+0x5e/0x80 [ 4941.340032][ T10] fib6_nh_init+0x3d8/0x1580 [ 4941.340032][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4941.340032][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4941.340032][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4941.340032][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4941.340032][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4941.340032][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4941.340032][ T10] addrconf_dad_begin+0x310/0x670 [ 4941.340032][ T10] addrconf_dad_work+0x10b/0xab0 [ 4941.340032][ T10] process_one_work+0x84d/0x18a0 [ 4941.340032][ T10] worker_thread+0x587/0xd30 [ 4941.340032][ T10] kthread+0x28a/0x350 [ 4941.340032][ T10] ret_from_fork+0x31/0x70 [ 4941.340032][ T10] ret_from_fork_asm+0x1a/0x30 [ 4941.340032][ T10] [ 4941.342192][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4941.342192][ T10] netdev_get_by_index+0x5e/0x80 [ 4941.342192][ T10] fib6_nh_init+0x3d8/0x1580 [ 4941.342192][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4941.342192][ T10] ip6_route_add+0x1c/0x140 [ 4941.342192][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4941.342192][ T10] inet6_addr_add+0x4f8/0xa40 [ 4941.342192][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4941.342192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.342192][ T10] netlink_rcv_skb+0x130/0x360 [ 4941.342192][ T10] netlink_unicast+0x449/0x710 [ 4941.342192][ T10] netlink_sendmsg+0x723/0xbe0 [ 4941.342192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4941.342192][ T10] ___sys_sendmsg+0xee/0x170 [ 4941.342192][ T10] __sys_sendmsg+0xcd/0x170 [ 4941.342192][ T10] do_syscall_64+0xc6/0x1e0 [ 4941.342192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.342192][ T10] [ 4941.344703][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4941.344703][ T10] netdev_get_by_index+0x5e/0x80 [ 4941.344703][ T10] fib6_nh_init+0x3d8/0x1580 [ 4941.344703][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4941.344703][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4941.344703][ T10] ipv6_add_addr+0x411/0x2000 [ 4941.344703][ T10] inet6_addr_add+0x30e/0xa40 [ 4941.344703][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4941.344703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.344703][ T10] netlink_rcv_skb+0x130/0x360 [ 4941.344703][ T10] netlink_unicast+0x449/0x710 [ 4941.344703][ T10] netlink_sendmsg+0x723/0xbe0 [ 4941.344703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4941.344703][ T10] ___sys_sendmsg+0xee/0x170 [ 4941.344703][ T10] __sys_sendmsg+0xcd/0x170 [ 4941.344703][ T10] do_syscall_64+0xc6/0x1e0 [ 4941.344703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.344703][ T10] [ 4941.347210][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4941.347210][ T10] netdev_get_by_index+0x5e/0x80 [ 4941.347210][ T10] fib6_nh_init+0x3d8/0x1580 [ 4941.347210][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4941.347210][ T10] ip6_route_add+0x1c/0x140 [ 4941.347210][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4941.347210][ T10] addrconf_add_dev+0xe2/0x170 [ 4941.347210][ T10] inet6_addr_add+0x12f/0xa40 [ 4941.347210][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4941.347210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.347210][ T10] netlink_rcv_skb+0x130/0x360 [ 4941.347210][ T10] netlink_unicast+0x449/0x710 [ 4941.347210][ T10] netlink_sendmsg+0x723/0xbe0 [ 4941.347210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4941.347210][ T10] ___sys_sendmsg+0xee/0x170 [ 4941.347210][ T10] __sys_sendmsg+0xcd/0x170 [ 4941.347210][ T10] do_syscall_64+0xc6/0x1e0 [ 4941.347210][ T10] [ 4941.349616][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4941.349616][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4941.349616][ T10] ipv6_find_idev+0x102/0x170 [ 4941.349616][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4941.349616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.349616][ T10] netlink_rcv_skb+0x130/0x360 [ 4941.349616][ T10] netlink_unicast+0x449/0x710 [ 4941.349616][ T10] netlink_sendmsg+0x723/0xbe0 [ 4941.349616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4941.349616][ T10] ___sys_sendmsg+0xee/0x170 [ 4941.349616][ T10] __sys_sendmsg+0xcd/0x170 [ 4941.349616][ T10] do_syscall_64+0xc6/0x1e0 [ 4941.349616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.349616][ T10] [ 4941.351613][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4941.351613][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4941.351613][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4941.351613][ T10] ipv6_find_idev+0x102/0x170 [ 4941.351613][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4941.351613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.351613][ T10] netlink_rcv_skb+0x130/0x360 [ 4941.351613][ T10] netlink_unicast+0x449/0x710 [ 4941.351613][ T10] netlink_sendmsg+0x723/0xbe0 [ 4941.351613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4941.351613][ T10] ___sys_sendmsg+0xee/0x170 [ 4941.351613][ T10] __sys_sendmsg+0xcd/0x170 [ 4941.351613][ T10] do_syscall_64+0xc6/0x1e0 [ 4941.351613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.351613][ T10] [ 4941.353933][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4941.354736][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4941.354736][ T10] netdev_get_by_index+0x5e/0x80 [ 4941.354736][ T10] fib6_nh_init+0x3d8/0x1580 [ 4941.354736][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4941.354736][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4941.354736][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4941.354736][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4941.354736][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4941.354736][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4941.354736][ T10] addrconf_dad_begin+0x310/0x670 [ 4941.354736][ T10] addrconf_dad_work+0x10b/0xab0 [ 4941.354736][ T10] process_one_work+0x84d/0x18a0 [ 4941.354736][ T10] worker_thread+0x587/0xd30 [ 4941.354736][ T10] kthread+0x28a/0x350 [ 4941.354736][ T10] ret_from_fork+0x31/0x70 [ 4941.354736][ T10] ret_from_fork_asm+0x1a/0x30 [ 4941.354736][ T10] [ 4941.357013][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4941.357013][ T10] netdev_get_by_index+0x5e/0x80 [ 4941.357013][ T10] fib6_nh_init+0x3d8/0x1580 [ 4941.357013][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4941.357013][ T10] ip6_route_add+0x1c/0x140 [ 4941.357013][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4941.357013][ T10] inet6_addr_add+0x4f8/0xa40 [ 4941.357013][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4941.357013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.357013][ T10] netlink_rcv_skb+0x130/0x360 [ 4941.357013][ T10] netlink_unicast+0x449/0x710 [ 4941.357013][ T10] netlink_sendmsg+0x723/0xbe0 [ 4941.357013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4941.357013][ T10] ___sys_sendmsg+0xee/0x170 [ 4941.357013][ T10] __sys_sendmsg+0xcd/0x170 [ 4941.357013][ T10] do_syscall_64+0xc6/0x1e0 [ 4941.357013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.357013][ T10] [ 4941.359533][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4941.359533][ T10] netdev_get_by_index+0x5e/0x80 [ 4941.359533][ T10] fib6_nh_init+0x3d8/0x1580 [ 4941.359533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4941.359533][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4941.359533][ T10] ipv6_add_addr+0x411/0x2000 [ 4941.359533][ T10] inet6_addr_add+0x30e/0xa40 [ 4941.359533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4941.359533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.359533][ T10] netlink_rcv_skb+0x130/0x360 [ 4941.359533][ T10] netlink_unicast+0x449/0x710 [ 4941.359533][ T10] netlink_sendmsg+0x723/0xbe0 [ 4941.359533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4941.359533][ T10] ___sys_sendmsg+0xee/0x170 [ 4941.359533][ T10] __sys_sendmsg+0xcd/0x170 [ 4941.359533][ T10] do_syscall_64+0xc6/0x1e0 [ 4941.359533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.359533][ T10] [ 4941.362085][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4941.362085][ T10] netdev_get_by_index+0x5e/0x80 [ 4941.362085][ T10] fib6_nh_init+0x3d8/0x1580 [ 4941.362085][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4941.362085][ T10] ip6_route_add+0x1c/0x140 [ 4941.362085][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4941.362085][ T10] addrconf_add_dev+0xe2/0x170 [ 4941.362085][ T10] inet6_addr_add+0x12f/0xa40 [ 4941.362085][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4941.362085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.362085][ T10] netlink_rcv_skb+0x130/0x360 [ 4941.362085][ T10] netlink_unicast+0x449/0x710 [ 4941.362085][ T10] netlink_sendmsg+0x723/0xbe0 [ 4941.362085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4941.362085][ T10] ___sys_sendmsg+0xee/0x170 [ 4941.362085][ T10] __sys_sendmsg+0xcd/0x170 [ 4941.362085][ T10] do_syscall_64+0xc6/0x1e0 [ 4941.362085][ T10] [ 4941.364716][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4941.364716][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4941.364716][ T10] ipv6_find_idev+0x102/0x170 [ 4941.364716][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4941.364716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.364716][ T10] netlink_rcv_skb+0x130/0x360 [ 4941.364716][ T10] netlink_unicast+0x449/0x710 [ 4941.364716][ T10] netlink_sendmsg+0x723/0xbe0 [ 4941.364716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4941.364716][ T10] ___sys_sendmsg+0xee/0x170 [ 4941.364716][ T10] __sys_sendmsg+0xcd/0x170 [ 4941.364716][ T10] do_syscall_64+0xc6/0x1e0 [ 4941.364716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.364716][ T10] [ 4941.366663][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4941.366663][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4941.366663][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4941.366663][ T10] ipv6_find_idev+0x102/0x170 [ 4941.366663][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4941.366663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.366663][ T10] netlink_rcv_skb+0x130/0x360 [ 4941.366663][ T10] netlink_unicast+0x449/0x710 [ 4941.366663][ T10] netlink_sendmsg+0x723/0xbe0 [ 4941.366663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4941.366663][ T10] ___sys_sendmsg+0xee/0x170 [ 4941.366663][ T10] __sys_sendmsg+0xcd/0x170 [ 4941.366663][ T10] do_syscall_64+0xc6/0x1e0 [ 4941.366663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.366663][ T10] [ 4945.353055][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4945.353495][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4945.353495][ T1167] dst_init+0x84/0x4a0 [ 4945.353495][ T1167] dst_alloc+0x97/0x150 [ 4945.353495][ T1167] ip6_dst_alloc+0x23/0x90 [ 4945.353495][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4945.353495][ T1167] ip6_pol_route+0x56f/0x840 [ 4945.353495][ T1167] fib6_rule_lookup+0x334/0x630 [ 4945.353495][ T1167] ip6_route_output_flags+0x259/0x480 [ 4945.353495][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4945.353495][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4945.353495][ T1167] netlink_rcv_skb+0x130/0x360 [ 4945.353495][ T1167] netlink_unicast+0x449/0x710 [ 4945.353495][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4945.353495][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4945.353495][ T1167] ___sys_sendmsg+0xee/0x170 [ 4945.353495][ T1167] __sys_sendmsg+0xcd/0x170 [ 4945.353495][ T1167] do_syscall_64+0xc6/0x1e0 [ 4945.353495][ T1167] [ 4945.355736][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4945.355736][ T1167] netdev_get_by_index+0x5e/0x80 [ 4945.355736][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4945.355736][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4945.355736][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4945.355736][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4945.355736][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4945.355736][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4945.355736][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4945.355736][ T1167] addrconf_dad_begin+0x310/0x670 [ 4945.355736][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4945.355736][ T1167] process_one_work+0x84d/0x18a0 [ 4945.355736][ T1167] worker_thread+0x587/0xd30 [ 4945.355736][ T1167] kthread+0x28a/0x350 [ 4945.355736][ T1167] ret_from_fork+0x31/0x70 [ 4945.355736][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4945.355736][ T1167] [ 4945.357903][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4945.357903][ T1167] netdev_get_by_index+0x5e/0x80 [ 4945.357903][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4945.357903][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4945.357903][ T1167] ip6_route_add+0x1c/0x140 [ 4945.357903][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4945.357903][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4945.357903][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4945.357903][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4945.357903][ T1167] netlink_rcv_skb+0x130/0x360 [ 4945.357903][ T1167] netlink_unicast+0x449/0x710 [ 4945.357903][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4945.357903][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4945.357903][ T1167] ___sys_sendmsg+0xee/0x170 [ 4945.357903][ T1167] __sys_sendmsg+0xcd/0x170 [ 4945.357903][ T1167] do_syscall_64+0xc6/0x1e0 [ 4945.357903][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4945.357903][ T1167] [ 4945.360170][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4945.360170][ T1167] netdev_get_by_index+0x5e/0x80 [ 4945.360170][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4945.360170][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4945.360170][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4945.360170][ T1167] ipv6_add_addr+0x411/0x2000 [ 4945.360170][ T1167] inet6_addr_add+0x30e/0xa40 [ 4945.360170][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4945.360170][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4945.360170][ T1167] netlink_rcv_skb+0x130/0x360 [ 4945.360170][ T1167] netlink_unicast+0x449/0x710 [ 4945.360170][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4945.360170][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4945.360170][ T1167] ___sys_sendmsg+0xee/0x170 [ 4945.360170][ T1167] __sys_sendmsg+0xcd/0x170 [ 4945.360170][ T1167] do_syscall_64+0xc6/0x1e0 [ 4945.360170][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4945.360170][ T1167] [ 4945.362433][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4945.362433][ T1167] netdev_get_by_index+0x5e/0x80 [ 4945.362433][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4945.362433][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4945.362433][ T1167] ip6_route_add+0x1c/0x140 [ 4945.362433][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4945.362433][ T1167] addrconf_add_dev+0xe2/0x170 [ 4945.362433][ T1167] inet6_addr_add+0x12f/0xa40 [ 4945.362433][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4945.362433][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4945.362433][ T1167] netlink_rcv_skb+0x130/0x360 [ 4945.362433][ T1167] netlink_unicast+0x449/0x710 [ 4945.362433][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4945.362433][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4945.362433][ T1167] ___sys_sendmsg+0xee/0x170 [ 4945.362433][ T1167] __sys_sendmsg+0xcd/0x170 [ 4945.362433][ T1167] do_syscall_64+0xc6/0x1e0 [ 4945.362433][ T1167] [ 4945.364701][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4945.364701][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4945.364701][ T1167] ipv6_find_idev+0x102/0x170 [ 4945.364701][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4945.364701][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4945.364701][ T1167] netlink_rcv_skb+0x130/0x360 [ 4945.364701][ T1167] netlink_unicast+0x449/0x710 [ 4945.364701][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4945.364701][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4945.364701][ T1167] ___sys_sendmsg+0xee/0x170 [ 4945.364701][ T1167] __sys_sendmsg+0xcd/0x170 [ 4945.364701][ T1167] do_syscall_64+0xc6/0x1e0 [ 4945.364701][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4945.364701][ T1167] [ 4945.366452][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4945.366452][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4945.366452][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4945.366452][ T1167] ipv6_find_idev+0x102/0x170 [ 4945.366452][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4945.366452][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4945.366452][ T1167] netlink_rcv_skb+0x130/0x360 [ 4945.366452][ T1167] netlink_unicast+0x449/0x710 [ 4945.366452][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4945.366452][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4945.366452][ T1167] ___sys_sendmsg+0xee/0x170 [ 4945.366452][ T1167] __sys_sendmsg+0xcd/0x170 [ 4945.366452][ T1167] do_syscall_64+0xc6/0x1e0 [ 4945.366452][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4945.366452][ T1167] [ 4951.609134][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4951.609591][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4951.609591][ T10] netdev_get_by_index+0x5e/0x80 [ 4951.609591][ T10] fib6_nh_init+0x3d8/0x1580 [ 4951.609591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4951.609591][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4951.609591][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4951.609591][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4951.609591][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4951.609591][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4951.609591][ T10] addrconf_dad_begin+0x310/0x670 [ 4951.609591][ T10] addrconf_dad_work+0x10b/0xab0 [ 4951.609591][ T10] process_one_work+0x84d/0x18a0 [ 4951.609591][ T10] worker_thread+0x587/0xd30 [ 4951.609591][ T10] kthread+0x28a/0x350 [ 4951.609591][ T10] ret_from_fork+0x31/0x70 [ 4951.609591][ T10] ret_from_fork_asm+0x1a/0x30 [ 4951.609591][ T10] [ 4951.611801][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4951.611801][ T10] netdev_get_by_index+0x5e/0x80 [ 4951.611801][ T10] fib6_nh_init+0x3d8/0x1580 [ 4951.611801][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4951.611801][ T10] ip6_route_add+0x1c/0x140 [ 4951.611801][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4951.611801][ T10] inet6_addr_add+0x4f8/0xa40 [ 4951.611801][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4951.611801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.611801][ T10] netlink_rcv_skb+0x130/0x360 [ 4951.611801][ T10] netlink_unicast+0x449/0x710 [ 4951.611801][ T10] netlink_sendmsg+0x723/0xbe0 [ 4951.611801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4951.611801][ T10] ___sys_sendmsg+0xee/0x170 [ 4951.611801][ T10] __sys_sendmsg+0xcd/0x170 [ 4951.611801][ T10] do_syscall_64+0xc6/0x1e0 [ 4951.611801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.611801][ T10] [ 4951.614061][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4951.614061][ T10] netdev_get_by_index+0x5e/0x80 [ 4951.614061][ T10] fib6_nh_init+0x3d8/0x1580 [ 4951.614061][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4951.614061][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4951.614061][ T10] ipv6_add_addr+0x411/0x2000 [ 4951.614061][ T10] inet6_addr_add+0x30e/0xa40 [ 4951.614061][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4951.614061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.614061][ T10] netlink_rcv_skb+0x130/0x360 [ 4951.614061][ T10] netlink_unicast+0x449/0x710 [ 4951.614061][ T10] netlink_sendmsg+0x723/0xbe0 [ 4951.614061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4951.614061][ T10] ___sys_sendmsg+0xee/0x170 [ 4951.614061][ T10] __sys_sendmsg+0xcd/0x170 [ 4951.614061][ T10] do_syscall_64+0xc6/0x1e0 [ 4951.614061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.614061][ T10] [ 4951.616339][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4951.616339][ T10] netdev_get_by_index+0x5e/0x80 [ 4951.616339][ T10] fib6_nh_init+0x3d8/0x1580 [ 4951.616339][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4951.616339][ T10] ip6_route_add+0x1c/0x140 [ 4951.616339][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4951.616339][ T10] addrconf_add_dev+0xe2/0x170 [ 4951.616339][ T10] inet6_addr_add+0x12f/0xa40 [ 4951.616339][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4951.616339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.616339][ T10] netlink_rcv_skb+0x130/0x360 [ 4951.616339][ T10] netlink_unicast+0x449/0x710 [ 4951.616339][ T10] netlink_sendmsg+0x723/0xbe0 [ 4951.616339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4951.616339][ T10] ___sys_sendmsg+0xee/0x170 [ 4951.616339][ T10] __sys_sendmsg+0xcd/0x170 [ 4951.616339][ T10] do_syscall_64+0xc6/0x1e0 [ 4951.616339][ T10] [ 4951.618535][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4951.618535][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4951.618535][ T10] ipv6_find_idev+0x102/0x170 [ 4951.618535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4951.618535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.618535][ T10] netlink_rcv_skb+0x130/0x360 [ 4951.618535][ T10] netlink_unicast+0x449/0x710 [ 4951.618535][ T10] netlink_sendmsg+0x723/0xbe0 [ 4951.618535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4951.618535][ T10] ___sys_sendmsg+0xee/0x170 [ 4951.618535][ T10] __sys_sendmsg+0xcd/0x170 [ 4951.618535][ T10] do_syscall_64+0xc6/0x1e0 [ 4951.618535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.618535][ T10] [ 4951.620255][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4951.620255][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4951.620255][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4951.620255][ T10] ipv6_find_idev+0x102/0x170 [ 4951.620255][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4951.620255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.620255][ T10] netlink_rcv_skb+0x130/0x360 [ 4951.620255][ T10] netlink_unicast+0x449/0x710 [ 4951.620255][ T10] netlink_sendmsg+0x723/0xbe0 [ 4951.620255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4951.620255][ T10] ___sys_sendmsg+0xee/0x170 [ 4951.620255][ T10] __sys_sendmsg+0xcd/0x170 [ 4951.620255][ T10] do_syscall_64+0xc6/0x1e0 [ 4951.620255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.620255][ T10] [ 4951.622172][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4951.622439][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4951.622439][ T10] netdev_get_by_index+0x5e/0x80 [ 4951.622439][ T10] fib6_nh_init+0x3d8/0x1580 [ 4951.622439][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4951.622439][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4951.622439][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4951.622439][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4951.622439][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4951.622439][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4951.622439][ T10] addrconf_dad_begin+0x310/0x670 [ 4951.622439][ T10] addrconf_dad_work+0x10b/0xab0 [ 4951.622439][ T10] process_one_work+0x84d/0x18a0 [ 4951.622439][ T10] worker_thread+0x587/0xd30 [ 4951.622439][ T10] kthread+0x28a/0x350 [ 4951.622439][ T10] ret_from_fork+0x31/0x70 [ 4951.622439][ T10] ret_from_fork_asm+0x1a/0x30 [ 4951.622439][ T10] [ 4951.624585][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4951.624585][ T10] netdev_get_by_index+0x5e/0x80 [ 4951.624585][ T10] fib6_nh_init+0x3d8/0x1580 [ 4951.624585][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4951.624585][ T10] ip6_route_add+0x1c/0x140 [ 4951.624585][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4951.624585][ T10] inet6_addr_add+0x4f8/0xa40 [ 4951.624585][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4951.624585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.624585][ T10] netlink_rcv_skb+0x130/0x360 [ 4951.624585][ T10] netlink_unicast+0x449/0x710 [ 4951.624585][ T10] netlink_sendmsg+0x723/0xbe0 [ 4951.624585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4951.624585][ T10] ___sys_sendmsg+0xee/0x170 [ 4951.624585][ T10] __sys_sendmsg+0xcd/0x170 [ 4951.624585][ T10] do_syscall_64+0xc6/0x1e0 [ 4951.624585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.624585][ T10] [ 4951.626841][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4951.626841][ T10] netdev_get_by_index+0x5e/0x80 [ 4951.626841][ T10] fib6_nh_init+0x3d8/0x1580 [ 4951.626841][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4951.626841][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4951.626841][ T10] ipv6_add_addr+0x411/0x2000 [ 4951.626841][ T10] inet6_addr_add+0x30e/0xa40 [ 4951.626841][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4951.626841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.626841][ T10] netlink_rcv_skb+0x130/0x360 [ 4951.626841][ T10] netlink_unicast+0x449/0x710 [ 4951.626841][ T10] netlink_sendmsg+0x723/0xbe0 [ 4951.626841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4951.626841][ T10] ___sys_sendmsg+0xee/0x170 [ 4951.626841][ T10] __sys_sendmsg+0xcd/0x170 [ 4951.626841][ T10] do_syscall_64+0xc6/0x1e0 [ 4951.626841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.626841][ T10] [ 4951.629094][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4951.629094][ T10] netdev_get_by_index+0x5e/0x80 [ 4951.629094][ T10] fib6_nh_init+0x3d8/0x1580 [ 4951.629094][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4951.629094][ T10] ip6_route_add+0x1c/0x140 [ 4951.629094][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4951.629094][ T10] addrconf_add_dev+0xe2/0x170 [ 4951.629094][ T10] inet6_addr_add+0x12f/0xa40 [ 4951.629094][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4951.629094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.629094][ T10] netlink_rcv_skb+0x130/0x360 [ 4951.629094][ T10] netlink_unicast+0x449/0x710 [ 4951.629094][ T10] netlink_sendmsg+0x723/0xbe0 [ 4951.629094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4951.629094][ T10] ___sys_sendmsg+0xee/0x170 [ 4951.629094][ T10] __sys_sendmsg+0xcd/0x170 [ 4951.629094][ T10] do_syscall_64+0xc6/0x1e0 [ 4951.629094][ T10] [ 4951.631313][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4951.631313][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4951.631313][ T10] ipv6_find_idev+0x102/0x170 [ 4951.631313][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4951.631313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.631313][ T10] netlink_rcv_skb+0x130/0x360 [ 4951.631313][ T10] netlink_unicast+0x449/0x710 [ 4951.631313][ T10] netlink_sendmsg+0x723/0xbe0 [ 4951.631313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4951.631313][ T10] ___sys_sendmsg+0xee/0x170 [ 4951.631313][ T10] __sys_sendmsg+0xcd/0x170 [ 4951.631313][ T10] do_syscall_64+0xc6/0x1e0 [ 4951.631313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.631313][ T10] [ 4951.633056][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4951.633056][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4951.633056][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4951.633056][ T10] ipv6_find_idev+0x102/0x170 [ 4951.633056][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4951.633056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.633056][ T10] netlink_rcv_skb+0x130/0x360 [ 4951.633056][ T10] netlink_unicast+0x449/0x710 [ 4951.633056][ T10] netlink_sendmsg+0x723/0xbe0 [ 4951.633056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4951.633056][ T10] ___sys_sendmsg+0xee/0x170 [ 4951.633056][ T10] __sys_sendmsg+0xcd/0x170 [ 4951.633056][ T10] do_syscall_64+0xc6/0x1e0 [ 4951.633056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.633056][ T10] [ 4951.635023][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4951.635298][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4951.635298][ T10] netdev_get_by_index+0x5e/0x80 [ 4951.635298][ T10] fib6_nh_init+0x3d8/0x1580 [ 4951.635298][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4951.635298][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4951.635298][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4951.635298][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4951.635298][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4951.635298][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4951.635298][ T10] addrconf_dad_begin+0x310/0x670 [ 4951.635298][ T10] addrconf_dad_work+0x10b/0xab0 [ 4951.635298][ T10] process_one_work+0x84d/0x18a0 [ 4951.635298][ T10] worker_thread+0x587/0xd30 [ 4951.635298][ T10] kthread+0x28a/0x350 [ 4951.635298][ T10] ret_from_fork+0x31/0x70 [ 4951.635298][ T10] ret_from_fork_asm+0x1a/0x30 [ 4951.635298][ T10] [ 4951.637462][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4951.637462][ T10] netdev_get_by_index+0x5e/0x80 [ 4951.637462][ T10] fib6_nh_init+0x3d8/0x1580 [ 4951.637462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4951.637462][ T10] ip6_route_add+0x1c/0x140 [ 4951.637462][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4951.637462][ T10] inet6_addr_add+0x4f8/0xa40 [ 4951.637462][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4951.637462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.637462][ T10] netlink_rcv_skb+0x130/0x360 [ 4951.637462][ T10] netlink_unicast+0x449/0x710 [ 4951.637462][ T10] netlink_sendmsg+0x723/0xbe0 [ 4951.637462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4951.637462][ T10] ___sys_sendmsg+0xee/0x170 [ 4951.637462][ T10] __sys_sendmsg+0xcd/0x170 [ 4951.637462][ T10] do_syscall_64+0xc6/0x1e0 [ 4951.637462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.637462][ T10] [ 4951.639884][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4951.639884][ T10] netdev_get_by_index+0x5e/0x80 [ 4951.639884][ T10] fib6_nh_init+0x3d8/0x1580 [ 4951.639884][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4951.639884][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4951.639884][ T10] ipv6_add_addr+0x411/0x2000 [ 4951.639884][ T10] inet6_addr_add+0x30e/0xa40 [ 4951.639884][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4951.639884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.639884][ T10] netlink_rcv_skb+0x130/0x360 [ 4951.639884][ T10] netlink_unicast+0x449/0x710 [ 4951.639884][ T10] netlink_sendmsg+0x723/0xbe0 [ 4951.639884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4951.639884][ T10] ___sys_sendmsg+0xee/0x170 [ 4951.639884][ T10] __sys_sendmsg+0xcd/0x170 [ 4951.639884][ T10] do_syscall_64+0xc6/0x1e0 [ 4951.639884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.639884][ T10] [ 4951.642375][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4951.642375][ T10] netdev_get_by_index+0x5e/0x80 [ 4951.642375][ T10] fib6_nh_init+0x3d8/0x1580 [ 4951.642375][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4951.642375][ T10] ip6_route_add+0x1c/0x140 [ 4951.642375][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4951.642375][ T10] addrconf_add_dev+0xe2/0x170 [ 4951.642375][ T10] inet6_addr_add+0x12f/0xa40 [ 4951.642375][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4951.642375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.642375][ T10] netlink_rcv_skb+0x130/0x360 [ 4951.642375][ T10] netlink_unicast+0x449/0x710 [ 4951.642375][ T10] netlink_sendmsg+0x723/0xbe0 [ 4951.642375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4951.642375][ T10] ___sys_sendmsg+0xee/0x170 [ 4951.642375][ T10] __sys_sendmsg+0xcd/0x170 [ 4951.642375][ T10] do_syscall_64+0xc6/0x1e0 [ 4951.642375][ T10] [ 4951.644779][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4951.644779][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4951.644779][ T10] ipv6_find_idev+0x102/0x170 [ 4951.644779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4951.644779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.644779][ T10] netlink_rcv_skb+0x130/0x360 [ 4951.644779][ T10] netlink_unicast+0x449/0x710 [ 4951.644779][ T10] netlink_sendmsg+0x723/0xbe0 [ 4951.644779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4951.644779][ T10] ___sys_sendmsg+0xee/0x170 [ 4951.644779][ T10] __sys_sendmsg+0xcd/0x170 [ 4951.644779][ T10] do_syscall_64+0xc6/0x1e0 [ 4951.644779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.644779][ T10] [ 4951.646714][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4951.646714][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4951.646714][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4951.646714][ T10] ipv6_find_idev+0x102/0x170 [ 4951.646714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4951.646714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.646714][ T10] netlink_rcv_skb+0x130/0x360 [ 4951.646714][ T10] netlink_unicast+0x449/0x710 [ 4951.646714][ T10] netlink_sendmsg+0x723/0xbe0 [ 4951.646714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4951.646714][ T10] ___sys_sendmsg+0xee/0x170 [ 4951.646714][ T10] __sys_sendmsg+0xcd/0x170 [ 4951.646714][ T10] do_syscall_64+0xc6/0x1e0 [ 4951.646714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.646714][ T10] [ 4951.648911][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4951.649605][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4951.649605][ T10] netdev_get_by_index+0x5e/0x80 [ 4951.649605][ T10] fib6_nh_init+0x3d8/0x1580 [ 4951.649605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4951.649605][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4951.649605][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4951.649605][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4951.649605][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4951.649605][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4951.649605][ T10] addrconf_dad_begin+0x310/0x670 [ 4951.649605][ T10] addrconf_dad_work+0x10b/0xab0 [ 4951.649605][ T10] process_one_work+0x84d/0x18a0 [ 4951.649605][ T10] worker_thread+0x587/0xd30 [ 4951.649605][ T10] kthread+0x28a/0x350 [ 4951.649605][ T10] ret_from_fork+0x31/0x70 [ 4951.649605][ T10] ret_from_fork_asm+0x1a/0x30 [ 4951.649605][ T10] [ 4951.651753][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4951.651753][ T10] netdev_get_by_index+0x5e/0x80 [ 4951.651753][ T10] fib6_nh_init+0x3d8/0x1580 [ 4951.651753][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4951.651753][ T10] ip6_route_add+0x1c/0x140 [ 4951.651753][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4951.651753][ T10] inet6_addr_add+0x4f8/0xa40 [ 4951.651753][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4951.651753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.651753][ T10] netlink_rcv_skb+0x130/0x360 [ 4951.651753][ T10] netlink_unicast+0x449/0x710 [ 4951.651753][ T10] netlink_sendmsg+0x723/0xbe0 [ 4951.651753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4951.651753][ T10] ___sys_sendmsg+0xee/0x170 [ 4951.651753][ T10] __sys_sendmsg+0xcd/0x170 [ 4951.651753][ T10] do_syscall_64+0xc6/0x1e0 [ 4951.651753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.651753][ T10] [ 4951.654117][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4951.654117][ T10] netdev_get_by_index+0x5e/0x80 [ 4951.654117][ T10] fib6_nh_init+0x3d8/0x1580 [ 4951.654117][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4951.654117][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4951.654117][ T10] ipv6_add_addr+0x411/0x2000 [ 4951.654117][ T10] inet6_addr_add+0x30e/0xa40 [ 4951.654117][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4951.654117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.654117][ T10] netlink_rcv_skb+0x130/0x360 [ 4951.654117][ T10] netlink_unicast+0x449/0x710 [ 4951.654117][ T10] netlink_sendmsg+0x723/0xbe0 [ 4951.654117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4951.654117][ T10] ___sys_sendmsg+0xee/0x170 [ 4951.654117][ T10] __sys_sendmsg+0xcd/0x170 [ 4951.654117][ T10] do_syscall_64+0xc6/0x1e0 [ 4951.654117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.654117][ T10] [ 4951.656537][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4951.656537][ T10] netdev_get_by_index+0x5e/0x80 [ 4951.656537][ T10] fib6_nh_init+0x3d8/0x1580 [ 4951.656537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4951.656537][ T10] ip6_route_add+0x1c/0x140 [ 4951.656537][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4951.656537][ T10] addrconf_add_dev+0xe2/0x170 [ 4951.656537][ T10] inet6_addr_add+0x12f/0xa40 [ 4951.656537][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4951.656537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.656537][ T10] netlink_rcv_skb+0x130/0x360 [ 4951.656537][ T10] netlink_unicast+0x449/0x710 [ 4951.656537][ T10] netlink_sendmsg+0x723/0xbe0 [ 4951.656537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4951.656537][ T10] ___sys_sendmsg+0xee/0x170 [ 4951.656537][ T10] __sys_sendmsg+0xcd/0x170 [ 4951.656537][ T10] do_syscall_64+0xc6/0x1e0 [ 4951.656537][ T10] [ 4951.658987][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4951.658987][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4951.658987][ T10] ipv6_find_idev+0x102/0x170 [ 4951.658987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4951.658987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.658987][ T10] netlink_rcv_skb+0x130/0x360 [ 4951.658987][ T10] netlink_unicast+0x449/0x710 [ 4951.658987][ T10] netlink_sendmsg+0x723/0xbe0 [ 4951.658987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4951.658987][ T10] ___sys_sendmsg+0xee/0x170 [ 4951.658987][ T10] __sys_sendmsg+0xcd/0x170 [ 4951.658987][ T10] do_syscall_64+0xc6/0x1e0 [ 4951.658987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.658987][ T10] [ 4951.660894][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4951.660894][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4951.660894][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4951.660894][ T10] ipv6_find_idev+0x102/0x170 [ 4951.660894][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4951.660894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.660894][ T10] netlink_rcv_skb+0x130/0x360 [ 4951.660894][ T10] netlink_unicast+0x449/0x710 [ 4951.660894][ T10] netlink_sendmsg+0x723/0xbe0 [ 4951.660894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4951.660894][ T10] ___sys_sendmsg+0xee/0x170 [ 4951.660894][ T10] __sys_sendmsg+0xcd/0x170 [ 4951.660894][ T10] do_syscall_64+0xc6/0x1e0 [ 4951.660894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.660894][ T10] [ 4955.617110][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4955.617601][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4955.617601][ T1167] dst_init+0x84/0x4a0 [ 4955.617601][ T1167] dst_alloc+0x97/0x150 [ 4955.617601][ T1167] ip6_dst_alloc+0x23/0x90 [ 4955.617601][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4955.617601][ T1167] ip6_pol_route+0x56f/0x840 [ 4955.617601][ T1167] fib6_rule_lookup+0x334/0x630 [ 4955.617601][ T1167] ip6_route_output_flags+0x259/0x480 [ 4955.617601][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4955.617601][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4955.617601][ T1167] netlink_rcv_skb+0x130/0x360 [ 4955.617601][ T1167] netlink_unicast+0x449/0x710 [ 4955.617601][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4955.617601][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4955.617601][ T1167] ___sys_sendmsg+0xee/0x170 [ 4955.617601][ T1167] __sys_sendmsg+0xcd/0x170 [ 4955.617601][ T1167] do_syscall_64+0xc6/0x1e0 [ 4955.617601][ T1167] [ 4955.619855][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4955.619855][ T1167] netdev_get_by_index+0x5e/0x80 [ 4955.619855][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4955.619855][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4955.619855][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4955.619855][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4955.619855][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4955.619855][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4955.619855][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4955.619855][ T1167] addrconf_dad_begin+0x310/0x670 [ 4955.619855][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4955.619855][ T1167] process_one_work+0x84d/0x18a0 [ 4955.619855][ T1167] worker_thread+0x587/0xd30 [ 4955.619855][ T1167] kthread+0x28a/0x350 [ 4955.619855][ T1167] ret_from_fork+0x31/0x70 [ 4955.619855][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4955.619855][ T1167] [ 4955.622007][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4955.622007][ T1167] netdev_get_by_index+0x5e/0x80 [ 4955.622007][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4955.622007][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4955.622007][ T1167] ip6_route_add+0x1c/0x140 [ 4955.622007][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4955.622007][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4955.622007][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4955.622007][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4955.622007][ T1167] netlink_rcv_skb+0x130/0x360 [ 4955.622007][ T1167] netlink_unicast+0x449/0x710 [ 4955.622007][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4955.622007][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4955.622007][ T1167] ___sys_sendmsg+0xee/0x170 [ 4955.622007][ T1167] __sys_sendmsg+0xcd/0x170 [ 4955.622007][ T1167] do_syscall_64+0xc6/0x1e0 [ 4955.622007][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4955.622007][ T1167] [ 4955.624311][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4955.624311][ T1167] netdev_get_by_index+0x5e/0x80 [ 4955.624311][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4955.624311][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4955.624311][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4955.624311][ T1167] ipv6_add_addr+0x411/0x2000 [ 4955.624311][ T1167] inet6_addr_add+0x30e/0xa40 [ 4955.624311][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4955.624311][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4955.624311][ T1167] netlink_rcv_skb+0x130/0x360 [ 4955.624311][ T1167] netlink_unicast+0x449/0x710 [ 4955.624311][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4955.624311][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4955.624311][ T1167] ___sys_sendmsg+0xee/0x170 [ 4955.624311][ T1167] __sys_sendmsg+0xcd/0x170 [ 4955.624311][ T1167] do_syscall_64+0xc6/0x1e0 [ 4955.624311][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4955.624311][ T1167] [ 4955.626559][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4955.626559][ T1167] netdev_get_by_index+0x5e/0x80 [ 4955.626559][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4955.626559][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4955.626559][ T1167] ip6_route_add+0x1c/0x140 [ 4955.626559][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4955.626559][ T1167] addrconf_add_dev+0xe2/0x170 [ 4955.626559][ T1167] inet6_addr_add+0x12f/0xa40 [ 4955.626559][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4955.626559][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4955.626559][ T1167] netlink_rcv_skb+0x130/0x360 [ 4955.626559][ T1167] netlink_unicast+0x449/0x710 [ 4955.626559][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4955.626559][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4955.626559][ T1167] ___sys_sendmsg+0xee/0x170 [ 4955.626559][ T1167] __sys_sendmsg+0xcd/0x170 [ 4955.626559][ T1167] do_syscall_64+0xc6/0x1e0 [ 4955.626559][ T1167] [ 4955.628767][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4955.628767][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4955.628767][ T1167] ipv6_find_idev+0x102/0x170 [ 4955.628767][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4955.628767][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4955.628767][ T1167] netlink_rcv_skb+0x130/0x360 [ 4955.628767][ T1167] netlink_unicast+0x449/0x710 [ 4955.628767][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4955.628767][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4955.628767][ T1167] ___sys_sendmsg+0xee/0x170 [ 4955.628767][ T1167] __sys_sendmsg+0xcd/0x170 [ 4955.628767][ T1167] do_syscall_64+0xc6/0x1e0 [ 4955.628767][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4955.628767][ T1167] [ 4955.630497][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4955.630497][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4955.630497][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4955.630497][ T1167] ipv6_find_idev+0x102/0x170 [ 4955.630497][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4955.630497][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4955.630497][ T1167] netlink_rcv_skb+0x130/0x360 [ 4955.630497][ T1167] netlink_unicast+0x449/0x710 [ 4955.630497][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4955.630497][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4955.630497][ T1167] ___sys_sendmsg+0xee/0x170 [ 4955.630497][ T1167] __sys_sendmsg+0xcd/0x170 [ 4955.630497][ T1167] do_syscall_64+0xc6/0x1e0 [ 4955.630497][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4955.630497][ T1167] [ 4961.905105][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4961.905511][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4961.905511][ T10] netdev_get_by_index+0x5e/0x80 [ 4961.905511][ T10] fib6_nh_init+0x3d8/0x1580 [ 4961.905511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4961.905511][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4961.905511][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4961.905511][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4961.905511][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4961.905511][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4961.905511][ T10] addrconf_dad_begin+0x310/0x670 [ 4961.905511][ T10] addrconf_dad_work+0x10b/0xab0 [ 4961.905511][ T10] process_one_work+0x84d/0x18a0 [ 4961.905511][ T10] worker_thread+0x587/0xd30 [ 4961.905511][ T10] kthread+0x28a/0x350 [ 4961.905511][ T10] ret_from_fork+0x31/0x70 [ 4961.905511][ T10] ret_from_fork_asm+0x1a/0x30 [ 4961.905511][ T10] [ 4961.907458][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4961.907458][ T10] netdev_get_by_index+0x5e/0x80 [ 4961.907458][ T10] fib6_nh_init+0x3d8/0x1580 [ 4961.907458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4961.907458][ T10] ip6_route_add+0x1c/0x140 [ 4961.907458][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4961.907458][ T10] inet6_addr_add+0x4f8/0xa40 [ 4961.907458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4961.907458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.907458][ T10] netlink_rcv_skb+0x130/0x360 [ 4961.907458][ T10] netlink_unicast+0x449/0x710 [ 4961.907458][ T10] netlink_sendmsg+0x723/0xbe0 [ 4961.907458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4961.907458][ T10] ___sys_sendmsg+0xee/0x170 [ 4961.907458][ T10] __sys_sendmsg+0xcd/0x170 [ 4961.907458][ T10] do_syscall_64+0xc6/0x1e0 [ 4961.907458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.907458][ T10] [ 4961.909470][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4961.909470][ T10] netdev_get_by_index+0x5e/0x80 [ 4961.909470][ T10] fib6_nh_init+0x3d8/0x1580 [ 4961.909470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4961.909470][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4961.909470][ T10] ipv6_add_addr+0x411/0x2000 [ 4961.909470][ T10] inet6_addr_add+0x30e/0xa40 [ 4961.909470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4961.909470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.909470][ T10] netlink_rcv_skb+0x130/0x360 [ 4961.909470][ T10] netlink_unicast+0x449/0x710 [ 4961.909470][ T10] netlink_sendmsg+0x723/0xbe0 [ 4961.909470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4961.909470][ T10] ___sys_sendmsg+0xee/0x170 [ 4961.909470][ T10] __sys_sendmsg+0xcd/0x170 [ 4961.909470][ T10] do_syscall_64+0xc6/0x1e0 [ 4961.909470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.909470][ T10] [ 4961.911466][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4961.911466][ T10] netdev_get_by_index+0x5e/0x80 [ 4961.911466][ T10] fib6_nh_init+0x3d8/0x1580 [ 4961.911466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4961.911466][ T10] ip6_route_add+0x1c/0x140 [ 4961.911466][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4961.911466][ T10] addrconf_add_dev+0xe2/0x170 [ 4961.911466][ T10] inet6_addr_add+0x12f/0xa40 [ 4961.911466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4961.911466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.911466][ T10] netlink_rcv_skb+0x130/0x360 [ 4961.911466][ T10] netlink_unicast+0x449/0x710 [ 4961.911466][ T10] netlink_sendmsg+0x723/0xbe0 [ 4961.911466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4961.911466][ T10] ___sys_sendmsg+0xee/0x170 [ 4961.911466][ T10] __sys_sendmsg+0xcd/0x170 [ 4961.911466][ T10] do_syscall_64+0xc6/0x1e0 [ 4961.911466][ T10] [ 4961.913432][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4961.913432][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4961.913432][ T10] ipv6_find_idev+0x102/0x170 [ 4961.913432][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4961.913432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.913432][ T10] netlink_rcv_skb+0x130/0x360 [ 4961.913432][ T10] netlink_unicast+0x449/0x710 [ 4961.913432][ T10] netlink_sendmsg+0x723/0xbe0 [ 4961.913432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4961.913432][ T10] ___sys_sendmsg+0xee/0x170 [ 4961.913432][ T10] __sys_sendmsg+0xcd/0x170 [ 4961.913432][ T10] do_syscall_64+0xc6/0x1e0 [ 4961.913432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.913432][ T10] [ 4961.914975][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4961.914975][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4961.914975][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4961.914975][ T10] ipv6_find_idev+0x102/0x170 [ 4961.914975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4961.914975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.914975][ T10] netlink_rcv_skb+0x130/0x360 [ 4961.914975][ T10] netlink_unicast+0x449/0x710 [ 4961.914975][ T10] netlink_sendmsg+0x723/0xbe0 [ 4961.914975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4961.914975][ T10] ___sys_sendmsg+0xee/0x170 [ 4961.914975][ T10] __sys_sendmsg+0xcd/0x170 [ 4961.914975][ T10] do_syscall_64+0xc6/0x1e0 [ 4961.914975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.914975][ T10] [ 4961.916649][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4961.916916][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4961.916916][ T10] netdev_get_by_index+0x5e/0x80 [ 4961.916916][ T10] fib6_nh_init+0x3d8/0x1580 [ 4961.916916][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4961.916916][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4961.916916][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4961.916916][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4961.916916][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4961.916916][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4961.916916][ T10] addrconf_dad_begin+0x310/0x670 [ 4961.916916][ T10] addrconf_dad_work+0x10b/0xab0 [ 4961.916916][ T10] process_one_work+0x84d/0x18a0 [ 4961.916916][ T10] worker_thread+0x587/0xd30 [ 4961.916916][ T10] kthread+0x28a/0x350 [ 4961.916916][ T10] ret_from_fork+0x31/0x70 [ 4961.916916][ T10] ret_from_fork_asm+0x1a/0x30 [ 4961.916916][ T10] [ 4961.918829][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4961.918829][ T10] netdev_get_by_index+0x5e/0x80 [ 4961.918829][ T10] fib6_nh_init+0x3d8/0x1580 [ 4961.918829][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4961.918829][ T10] ip6_route_add+0x1c/0x140 [ 4961.918829][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4961.918829][ T10] inet6_addr_add+0x4f8/0xa40 [ 4961.918829][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4961.918829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.918829][ T10] netlink_rcv_skb+0x130/0x360 [ 4961.918829][ T10] netlink_unicast+0x449/0x710 [ 4961.918829][ T10] netlink_sendmsg+0x723/0xbe0 [ 4961.918829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4961.918829][ T10] ___sys_sendmsg+0xee/0x170 [ 4961.918829][ T10] __sys_sendmsg+0xcd/0x170 [ 4961.918829][ T10] do_syscall_64+0xc6/0x1e0 [ 4961.918829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.918829][ T10] [ 4961.920817][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4961.920817][ T10] netdev_get_by_index+0x5e/0x80 [ 4961.920817][ T10] fib6_nh_init+0x3d8/0x1580 [ 4961.920817][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4961.920817][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4961.920817][ T10] ipv6_add_addr+0x411/0x2000 [ 4961.920817][ T10] inet6_addr_add+0x30e/0xa40 [ 4961.920817][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4961.920817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.920817][ T10] netlink_rcv_skb+0x130/0x360 [ 4961.920817][ T10] netlink_unicast+0x449/0x710 [ 4961.920817][ T10] netlink_sendmsg+0x723/0xbe0 [ 4961.920817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4961.920817][ T10] ___sys_sendmsg+0xee/0x170 [ 4961.920817][ T10] __sys_sendmsg+0xcd/0x170 [ 4961.920817][ T10] do_syscall_64+0xc6/0x1e0 [ 4961.920817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.920817][ T10] [ 4961.922831][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4961.922831][ T10] netdev_get_by_index+0x5e/0x80 [ 4961.922831][ T10] fib6_nh_init+0x3d8/0x1580 [ 4961.922831][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4961.922831][ T10] ip6_route_add+0x1c/0x140 [ 4961.922831][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4961.922831][ T10] addrconf_add_dev+0xe2/0x170 [ 4961.922831][ T10] inet6_addr_add+0x12f/0xa40 [ 4961.922831][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4961.922831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.922831][ T10] netlink_rcv_skb+0x130/0x360 [ 4961.922831][ T10] netlink_unicast+0x449/0x710 [ 4961.922831][ T10] netlink_sendmsg+0x723/0xbe0 [ 4961.922831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4961.922831][ T10] ___sys_sendmsg+0xee/0x170 [ 4961.922831][ T10] __sys_sendmsg+0xcd/0x170 [ 4961.922831][ T10] do_syscall_64+0xc6/0x1e0 [ 4961.922831][ T10] [ 4961.924787][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4961.924787][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4961.924787][ T10] ipv6_find_idev+0x102/0x170 [ 4961.924787][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4961.924787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.924787][ T10] netlink_rcv_skb+0x130/0x360 [ 4961.924787][ T10] netlink_unicast+0x449/0x710 [ 4961.924787][ T10] netlink_sendmsg+0x723/0xbe0 [ 4961.924787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4961.924787][ T10] ___sys_sendmsg+0xee/0x170 [ 4961.924787][ T10] __sys_sendmsg+0xcd/0x170 [ 4961.924787][ T10] do_syscall_64+0xc6/0x1e0 [ 4961.924787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.924787][ T10] [ 4961.926336][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4961.926336][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4961.926336][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4961.926336][ T10] ipv6_find_idev+0x102/0x170 [ 4961.926336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4961.926336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.926336][ T10] netlink_rcv_skb+0x130/0x360 [ 4961.926336][ T10] netlink_unicast+0x449/0x710 [ 4961.926336][ T10] netlink_sendmsg+0x723/0xbe0 [ 4961.926336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4961.926336][ T10] ___sys_sendmsg+0xee/0x170 [ 4961.926336][ T10] __sys_sendmsg+0xcd/0x170 [ 4961.926336][ T10] do_syscall_64+0xc6/0x1e0 [ 4961.926336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.926336][ T10] [ 4961.928022][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4961.928268][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4961.928268][ T10] netdev_get_by_index+0x5e/0x80 [ 4961.928268][ T10] fib6_nh_init+0x3d8/0x1580 [ 4961.928268][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4961.928268][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4961.928268][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4961.928268][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4961.928268][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4961.928268][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4961.928268][ T10] addrconf_dad_begin+0x310/0x670 [ 4961.928268][ T10] addrconf_dad_work+0x10b/0xab0 [ 4961.928268][ T10] process_one_work+0x84d/0x18a0 [ 4961.928268][ T10] worker_thread+0x587/0xd30 [ 4961.928268][ T10] kthread+0x28a/0x350 [ 4961.928268][ T10] ret_from_fork+0x31/0x70 [ 4961.928268][ T10] ret_from_fork_asm+0x1a/0x30 [ 4961.928268][ T10] [ 4961.930187][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4961.930187][ T10] netdev_get_by_index+0x5e/0x80 [ 4961.930187][ T10] fib6_nh_init+0x3d8/0x1580 [ 4961.930187][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4961.930187][ T10] ip6_route_add+0x1c/0x140 [ 4961.930187][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4961.930187][ T10] inet6_addr_add+0x4f8/0xa40 [ 4961.930187][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4961.930187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.930187][ T10] netlink_rcv_skb+0x130/0x360 [ 4961.930187][ T10] netlink_unicast+0x449/0x710 [ 4961.930187][ T10] netlink_sendmsg+0x723/0xbe0 [ 4961.930187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4961.930187][ T10] ___sys_sendmsg+0xee/0x170 [ 4961.930187][ T10] __sys_sendmsg+0xcd/0x170 [ 4961.930187][ T10] do_syscall_64+0xc6/0x1e0 [ 4961.930187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.930187][ T10] [ 4961.932313][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4961.932313][ T10] netdev_get_by_index+0x5e/0x80 [ 4961.932313][ T10] fib6_nh_init+0x3d8/0x1580 [ 4961.932313][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4961.932313][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4961.932313][ T10] ipv6_add_addr+0x411/0x2000 [ 4961.932313][ T10] inet6_addr_add+0x30e/0xa40 [ 4961.932313][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4961.932313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.932313][ T10] netlink_rcv_skb+0x130/0x360 [ 4961.932313][ T10] netlink_unicast+0x449/0x710 [ 4961.932313][ T10] netlink_sendmsg+0x723/0xbe0 [ 4961.932313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4961.932313][ T10] ___sys_sendmsg+0xee/0x170 [ 4961.932313][ T10] __sys_sendmsg+0xcd/0x170 [ 4961.932313][ T10] do_syscall_64+0xc6/0x1e0 [ 4961.932313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.932313][ T10] [ 4961.934442][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4961.934442][ T10] netdev_get_by_index+0x5e/0x80 [ 4961.934442][ T10] fib6_nh_init+0x3d8/0x1580 [ 4961.934442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4961.934442][ T10] ip6_route_add+0x1c/0x140 [ 4961.934442][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4961.934442][ T10] addrconf_add_dev+0xe2/0x170 [ 4961.934442][ T10] inet6_addr_add+0x12f/0xa40 [ 4961.934442][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4961.934442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.934442][ T10] netlink_rcv_skb+0x130/0x360 [ 4961.934442][ T10] netlink_unicast+0x449/0x710 [ 4961.934442][ T10] netlink_sendmsg+0x723/0xbe0 [ 4961.934442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4961.934442][ T10] ___sys_sendmsg+0xee/0x170 [ 4961.934442][ T10] __sys_sendmsg+0xcd/0x170 [ 4961.934442][ T10] do_syscall_64+0xc6/0x1e0 [ 4961.934442][ T10] [ 4961.936471][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4961.936471][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4961.936471][ T10] ipv6_find_idev+0x102/0x170 [ 4961.936471][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4961.936471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.936471][ T10] netlink_rcv_skb+0x130/0x360 [ 4961.936471][ T10] netlink_unicast+0x449/0x710 [ 4961.936471][ T10] netlink_sendmsg+0x723/0xbe0 [ 4961.936471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4961.936471][ T10] ___sys_sendmsg+0xee/0x170 [ 4961.936471][ T10] __sys_sendmsg+0xcd/0x170 [ 4961.936471][ T10] do_syscall_64+0xc6/0x1e0 [ 4961.936471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.936471][ T10] [ 4961.938134][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4961.938134][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4961.938134][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4961.938134][ T10] ipv6_find_idev+0x102/0x170 [ 4961.938134][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4961.938134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.938134][ T10] netlink_rcv_skb+0x130/0x360 [ 4961.938134][ T10] netlink_unicast+0x449/0x710 [ 4961.938134][ T10] netlink_sendmsg+0x723/0xbe0 [ 4961.938134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4961.938134][ T10] ___sys_sendmsg+0xee/0x170 [ 4961.938134][ T10] __sys_sendmsg+0xcd/0x170 [ 4961.938134][ T10] do_syscall_64+0xc6/0x1e0 [ 4961.938134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.938134][ T10] [ 4961.940012][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4961.940253][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4961.940253][ T10] netdev_get_by_index+0x5e/0x80 [ 4961.940253][ T10] fib6_nh_init+0x3d8/0x1580 [ 4961.940253][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4961.940253][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4961.940253][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4961.940253][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4961.940253][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4961.940253][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4961.940253][ T10] addrconf_dad_begin+0x310/0x670 [ 4961.940253][ T10] addrconf_dad_work+0x10b/0xab0 [ 4961.940253][ T10] process_one_work+0x84d/0x18a0 [ 4961.940253][ T10] worker_thread+0x587/0xd30 [ 4961.940253][ T10] kthread+0x28a/0x350 [ 4961.940253][ T10] ret_from_fork+0x31/0x70 [ 4961.940253][ T10] ret_from_fork_asm+0x1a/0x30 [ 4961.940253][ T10] [ 4961.942289][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4961.942289][ T10] netdev_get_by_index+0x5e/0x80 [ 4961.942289][ T10] fib6_nh_init+0x3d8/0x1580 [ 4961.942289][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4961.942289][ T10] ip6_route_add+0x1c/0x140 [ 4961.942289][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4961.942289][ T10] inet6_addr_add+0x4f8/0xa40 [ 4961.942289][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4961.942289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.942289][ T10] netlink_rcv_skb+0x130/0x360 [ 4961.942289][ T10] netlink_unicast+0x449/0x710 [ 4961.942289][ T10] netlink_sendmsg+0x723/0xbe0 [ 4961.942289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4961.942289][ T10] ___sys_sendmsg+0xee/0x170 [ 4961.942289][ T10] __sys_sendmsg+0xcd/0x170 [ 4961.942289][ T10] do_syscall_64+0xc6/0x1e0 [ 4961.942289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.942289][ T10] [ 4961.944414][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4961.944414][ T10] netdev_get_by_index+0x5e/0x80 [ 4961.944414][ T10] fib6_nh_init+0x3d8/0x1580 [ 4961.944414][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4961.944414][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4961.944414][ T10] ipv6_add_addr+0x411/0x2000 [ 4961.944414][ T10] inet6_addr_add+0x30e/0xa40 [ 4961.944414][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4961.944414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.944414][ T10] netlink_rcv_skb+0x130/0x360 [ 4961.944414][ T10] netlink_unicast+0x449/0x710 [ 4961.944414][ T10] netlink_sendmsg+0x723/0xbe0 [ 4961.944414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4961.944414][ T10] ___sys_sendmsg+0xee/0x170 [ 4961.944414][ T10] __sys_sendmsg+0xcd/0x170 [ 4961.944414][ T10] do_syscall_64+0xc6/0x1e0 [ 4961.944414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.944414][ T10] [ 4961.946538][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4961.946538][ T10] netdev_get_by_index+0x5e/0x80 [ 4961.946538][ T10] fib6_nh_init+0x3d8/0x1580 [ 4961.946538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4961.946538][ T10] ip6_route_add+0x1c/0x140 [ 4961.946538][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4961.946538][ T10] addrconf_add_dev+0xe2/0x170 [ 4961.946538][ T10] inet6_addr_add+0x12f/0xa40 [ 4961.946538][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4961.946538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.946538][ T10] netlink_rcv_skb+0x130/0x360 [ 4961.946538][ T10] netlink_unicast+0x449/0x710 [ 4961.946538][ T10] netlink_sendmsg+0x723/0xbe0 [ 4961.946538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4961.946538][ T10] ___sys_sendmsg+0xee/0x170 [ 4961.946538][ T10] __sys_sendmsg+0xcd/0x170 [ 4961.946538][ T10] do_syscall_64+0xc6/0x1e0 [ 4961.946538][ T10] [ 4961.948625][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4961.948625][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4961.948625][ T10] ipv6_find_idev+0x102/0x170 [ 4961.948625][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4961.948625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.948625][ T10] netlink_rcv_skb+0x130/0x360 [ 4961.948625][ T10] netlink_unicast+0x449/0x710 [ 4961.948625][ T10] netlink_sendmsg+0x723/0xbe0 [ 4961.948625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4961.948625][ T10] ___sys_sendmsg+0xee/0x170 [ 4961.948625][ T10] __sys_sendmsg+0xcd/0x170 [ 4961.948625][ T10] do_syscall_64+0xc6/0x1e0 [ 4961.948625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.948625][ T10] [ 4961.950736][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4961.950736][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4961.950736][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4961.950736][ T10] ipv6_find_idev+0x102/0x170 [ 4961.950736][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4961.950736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.950736][ T10] netlink_rcv_skb+0x130/0x360 [ 4961.950736][ T10] netlink_unicast+0x449/0x710 [ 4961.950736][ T10] netlink_sendmsg+0x723/0xbe0 [ 4961.950736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4961.950736][ T10] ___sys_sendmsg+0xee/0x170 [ 4961.950736][ T10] __sys_sendmsg+0xcd/0x170 [ 4961.950736][ T10] do_syscall_64+0xc6/0x1e0 [ 4961.950736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.950736][ T10] [ 4965.881120][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4965.881594][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4965.881594][ T1167] dst_init+0x84/0x4a0 [ 4965.881594][ T1167] dst_alloc+0x97/0x150 [ 4965.881594][ T1167] ip6_dst_alloc+0x23/0x90 [ 4965.881594][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4965.881594][ T1167] ip6_pol_route+0x56f/0x840 [ 4965.881594][ T1167] fib6_rule_lookup+0x334/0x630 [ 4965.881594][ T1167] ip6_route_output_flags+0x259/0x480 [ 4965.881594][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4965.881594][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4965.881594][ T1167] netlink_rcv_skb+0x130/0x360 [ 4965.881594][ T1167] netlink_unicast+0x449/0x710 [ 4965.881594][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4965.881594][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4965.881594][ T1167] ___sys_sendmsg+0xee/0x170 [ 4965.881594][ T1167] __sys_sendmsg+0xcd/0x170 [ 4965.881594][ T1167] do_syscall_64+0xc6/0x1e0 [ 4965.881594][ T1167] [ 4965.883823][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4965.883823][ T1167] netdev_get_by_index+0x5e/0x80 [ 4965.883823][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4965.883823][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4965.883823][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4965.883823][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4965.883823][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4965.883823][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4965.883823][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4965.883823][ T1167] addrconf_dad_begin+0x310/0x670 [ 4965.883823][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4965.883823][ T1167] process_one_work+0x84d/0x18a0 [ 4965.883823][ T1167] worker_thread+0x587/0xd30 [ 4965.883823][ T1167] kthread+0x28a/0x350 [ 4965.883823][ T1167] ret_from_fork+0x31/0x70 [ 4965.883823][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4965.883823][ T1167] [ 4965.885986][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4965.885986][ T1167] netdev_get_by_index+0x5e/0x80 [ 4965.885986][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4965.885986][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4965.885986][ T1167] ip6_route_add+0x1c/0x140 [ 4965.885986][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4965.885986][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4965.885986][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4965.885986][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4965.885986][ T1167] netlink_rcv_skb+0x130/0x360 [ 4965.885986][ T1167] netlink_unicast+0x449/0x710 [ 4965.885986][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4965.885986][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4965.885986][ T1167] ___sys_sendmsg+0xee/0x170 [ 4965.885986][ T1167] __sys_sendmsg+0xcd/0x170 [ 4965.885986][ T1167] do_syscall_64+0xc6/0x1e0 [ 4965.885986][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4965.885986][ T1167] [ 4965.888243][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4965.888243][ T1167] netdev_get_by_index+0x5e/0x80 [ 4965.888243][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4965.888243][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4965.888243][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4965.888243][ T1167] ipv6_add_addr+0x411/0x2000 [ 4965.888243][ T1167] inet6_addr_add+0x30e/0xa40 [ 4965.888243][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4965.888243][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4965.888243][ T1167] netlink_rcv_skb+0x130/0x360 [ 4965.888243][ T1167] netlink_unicast+0x449/0x710 [ 4965.888243][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4965.888243][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4965.888243][ T1167] ___sys_sendmsg+0xee/0x170 [ 4965.888243][ T1167] __sys_sendmsg+0xcd/0x170 [ 4965.888243][ T1167] do_syscall_64+0xc6/0x1e0 [ 4965.888243][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4965.888243][ T1167] [ 4965.890481][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4965.890481][ T1167] netdev_get_by_index+0x5e/0x80 [ 4965.890481][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4965.890481][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4965.890481][ T1167] ip6_route_add+0x1c/0x140 [ 4965.890481][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4965.890481][ T1167] addrconf_add_dev+0xe2/0x170 [ 4965.890481][ T1167] inet6_addr_add+0x12f/0xa40 [ 4965.890481][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4965.890481][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4965.890481][ T1167] netlink_rcv_skb+0x130/0x360 [ 4965.890481][ T1167] netlink_unicast+0x449/0x710 [ 4965.890481][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4965.890481][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4965.890481][ T1167] ___sys_sendmsg+0xee/0x170 [ 4965.890481][ T1167] __sys_sendmsg+0xcd/0x170 [ 4965.890481][ T1167] do_syscall_64+0xc6/0x1e0 [ 4965.890481][ T1167] [ 4965.892689][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4965.892689][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4965.892689][ T1167] ipv6_find_idev+0x102/0x170 [ 4965.892689][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4965.892689][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4965.892689][ T1167] netlink_rcv_skb+0x130/0x360 [ 4965.892689][ T1167] netlink_unicast+0x449/0x710 [ 4965.892689][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4965.892689][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4965.892689][ T1167] ___sys_sendmsg+0xee/0x170 [ 4965.892689][ T1167] __sys_sendmsg+0xcd/0x170 [ 4965.892689][ T1167] do_syscall_64+0xc6/0x1e0 [ 4965.892689][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4965.892689][ T1167] [ 4965.894418][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4965.894418][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4965.894418][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4965.894418][ T1167] ipv6_find_idev+0x102/0x170 [ 4965.894418][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4965.894418][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4965.894418][ T1167] netlink_rcv_skb+0x130/0x360 [ 4965.894418][ T1167] netlink_unicast+0x449/0x710 [ 4965.894418][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4965.894418][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4965.894418][ T1167] ___sys_sendmsg+0xee/0x170 [ 4965.894418][ T1167] __sys_sendmsg+0xcd/0x170 [ 4965.894418][ T1167] do_syscall_64+0xc6/0x1e0 [ 4965.894418][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4965.894418][ T1167] [ 4972.193141][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4972.193559][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4972.193559][ T10] netdev_get_by_index+0x5e/0x80 [ 4972.193559][ T10] fib6_nh_init+0x3d8/0x1580 [ 4972.193559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4972.193559][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4972.193559][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4972.193559][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4972.193559][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4972.193559][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4972.193559][ T10] addrconf_dad_begin+0x310/0x670 [ 4972.193559][ T10] addrconf_dad_work+0x10b/0xab0 [ 4972.193559][ T10] process_one_work+0x84d/0x18a0 [ 4972.193559][ T10] worker_thread+0x587/0xd30 [ 4972.193559][ T10] kthread+0x28a/0x350 [ 4972.193559][ T10] ret_from_fork+0x31/0x70 [ 4972.193559][ T10] ret_from_fork_asm+0x1a/0x30 [ 4972.193559][ T10] [ 4972.195565][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4972.195565][ T10] netdev_get_by_index+0x5e/0x80 [ 4972.195565][ T10] fib6_nh_init+0x3d8/0x1580 [ 4972.195565][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4972.195565][ T10] ip6_route_add+0x1c/0x140 [ 4972.195565][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4972.195565][ T10] inet6_addr_add+0x4f8/0xa40 [ 4972.195565][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4972.195565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4972.195565][ T10] netlink_rcv_skb+0x130/0x360 [ 4972.195565][ T10] netlink_unicast+0x449/0x710 [ 4972.195565][ T10] netlink_sendmsg+0x723/0xbe0 [ 4972.195565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4972.195565][ T10] ___sys_sendmsg+0xee/0x170 [ 4972.195565][ T10] __sys_sendmsg+0xcd/0x170 [ 4972.195565][ T10] do_syscall_64+0xc6/0x1e0 [ 4972.195565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4972.195565][ T10] [ 4972.197585][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4972.197585][ T10] netdev_get_by_index+0x5e/0x80 [ 4972.197585][ T10] fib6_nh_init+0x3d8/0x1580 [ 4972.197585][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4972.197585][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4972.197585][ T10] ipv6_add_addr+0x411/0x2000 [ 4972.197585][ T10] inet6_addr_add+0x30e/0xa40 [ 4972.197585][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4972.197585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4972.197585][ T10] netlink_rcv_skb+0x130/0x360 [ 4972.197585][ T10] netlink_unicast+0x449/0x710 [ 4972.197585][ T10] netlink_sendmsg+0x723/0xbe0 [ 4972.197585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4972.197585][ T10] ___sys_sendmsg+0xee/0x170 [ 4972.197585][ T10] __sys_sendmsg+0xcd/0x170 [ 4972.197585][ T10] do_syscall_64+0xc6/0x1e0 [ 4972.197585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4972.197585][ T10] [ 4972.199607][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4972.199607][ T10] netdev_get_by_index+0x5e/0x80 [ 4972.199607][ T10] fib6_nh_init+0x3d8/0x1580 [ 4972.199607][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4972.199607][ T10] ip6_route_add+0x1c/0x140 [ 4972.199607][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4972.199607][ T10] addrconf_add_dev+0xe2/0x170 [ 4972.199607][ T10] inet6_addr_add+0x12f/0xa40 [ 4972.199607][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4972.199607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4972.199607][ T10] netlink_rcv_skb+0x130/0x360 [ 4972.199607][ T10] netlink_unicast+0x449/0x710 [ 4972.199607][ T10] netlink_sendmsg+0x723/0xbe0 [ 4972.199607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4972.199607][ T10] ___sys_sendmsg+0xee/0x170 [ 4972.199607][ T10] __sys_sendmsg+0xcd/0x170 [ 4972.199607][ T10] do_syscall_64+0xc6/0x1e0 [ 4972.199607][ T10] [ 4972.201589][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4972.201589][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4972.201589][ T10] ipv6_find_idev+0x102/0x170 [ 4972.201589][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4972.201589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4972.201589][ T10] netlink_rcv_skb+0x130/0x360 [ 4972.201589][ T10] netlink_unicast+0x449/0x710 [ 4972.201589][ T10] netlink_sendmsg+0x723/0xbe0 [ 4972.201589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4972.201589][ T10] ___sys_sendmsg+0xee/0x170 [ 4972.201589][ T10] __sys_sendmsg+0xcd/0x170 [ 4972.201589][ T10] do_syscall_64+0xc6/0x1e0 [ 4972.201589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4972.201589][ T10] [ 4972.203142][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4972.203142][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4972.203142][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4972.203142][ T10] ipv6_find_idev+0x102/0x170 [ 4972.203142][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4972.203142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4972.203142][ T10] netlink_rcv_skb+0x130/0x360 [ 4972.203142][ T10] netlink_unicast+0x449/0x710 [ 4972.203142][ T10] netlink_sendmsg+0x723/0xbe0 [ 4972.203142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4972.203142][ T10] ___sys_sendmsg+0xee/0x170 [ 4972.203142][ T10] __sys_sendmsg+0xcd/0x170 [ 4972.203142][ T10] do_syscall_64+0xc6/0x1e0 [ 4972.203142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4972.203142][ T10] [ 4972.204888][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4972.205151][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4972.205151][ T10] netdev_get_by_index+0x5e/0x80 [ 4972.205151][ T10] fib6_nh_init+0x3d8/0x1580 [ 4972.205151][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4972.205151][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4972.205151][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4972.205151][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4972.205151][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4972.205151][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4972.205151][ T10] addrconf_dad_begin+0x310/0x670 [ 4972.205151][ T10] addrconf_dad_work+0x10b/0xab0 [ 4972.205151][ T10] process_one_work+0x84d/0x18a0 [ 4972.205151][ T10] worker_thread+0x587/0xd30 [ 4972.205151][ T10] kthread+0x28a/0x350 [ 4972.205151][ T10] ret_from_fork+0x31/0x70 [ 4972.205151][ T10] ret_from_fork_asm+0x1a/0x30 [ 4972.205151][ T10] [ 4972.207082][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4972.207082][ T10] netdev_get_by_index+0x5e/0x80 [ 4972.207082][ T10] fib6_nh_init+0x3d8/0x1580 [ 4972.207082][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4972.207082][ T10] ip6_route_add+0x1c/0x140 [ 4972.207082][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4972.207082][ T10] inet6_addr_add+0x4f8/0xa40 [ 4972.207082][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4972.207082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4972.207082][ T10] netlink_rcv_skb+0x130/0x360 [ 4972.207082][ T10] netlink_unicast+0x449/0x710 [ 4972.207082][ T10] netlink_sendmsg+0x723/0xbe0 [ 4972.207082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4972.207082][ T10] ___sys_sendmsg+0xee/0x170 [ 4972.207082][ T10] __sys_sendmsg+0xcd/0x170 [ 4972.207082][ T10] do_syscall_64+0xc6/0x1e0 [ 4972.207082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4972.207082][ T10] [ 4972.209083][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4972.209083][ T10] netdev_get_by_index+0x5e/0x80 [ 4972.209083][ T10] fib6_nh_init+0x3d8/0x1580 [ 4972.209083][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4972.209083][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4972.209083][ T10] ipv6_add_addr+0x411/0x2000 [ 4972.209083][ T10] inet6_addr_add+0x30e/0xa40 [ 4972.209083][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4972.209083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4972.209083][ T10] netlink_rcv_skb+0x130/0x360 [ 4972.209083][ T10] netlink_unicast+0x449/0x710 [ 4972.209083][ T10] netlink_sendmsg+0x723/0xbe0 [ 4972.209083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4972.209083][ T10] ___sys_sendmsg+0xee/0x170 [ 4972.209083][ T10] __sys_sendmsg+0xcd/0x170 [ 4972.209083][ T10] do_syscall_64+0xc6/0x1e0 [ 4972.209083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4972.209083][ T10] [ 4972.211100][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4972.211100][ T10] netdev_get_by_index+0x5e/0x80 [ 4972.211100][ T10] fib6_nh_init+0x3d8/0x1580 [ 4972.211100][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4972.211100][ T10] ip6_route_add+0x1c/0x140 [ 4972.211100][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4972.211100][ T10] addrconf_add_dev+0xe2/0x170 [ 4972.211100][ T10] inet6_addr_add+0x12f/0xa40 [ 4972.211100][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4972.211100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4972.211100][ T10] netlink_rcv_skb+0x130/0x360 [ 4972.211100][ T10] netlink_unicast+0x449/0x710 [ 4972.211100][ T10] netlink_sendmsg+0x723/0xbe0 [ 4972.211100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4972.211100][ T10] ___sys_sendmsg+0xee/0x170 [ 4972.211100][ T10] __sys_sendmsg+0xcd/0x170 [ 4972.211100][ T10] do_syscall_64+0xc6/0x1e0 [ 4972.211100][ T10] [ 4972.213075][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4972.213075][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4972.213075][ T10] ipv6_find_idev+0x102/0x170 [ 4972.213075][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4972.213075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4972.213075][ T10] netlink_rcv_skb+0x130/0x360 [ 4972.213075][ T10] netlink_unicast+0x449/0x710 [ 4972.213075][ T10] netlink_sendmsg+0x723/0xbe0 [ 4972.213075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4972.213075][ T10] ___sys_sendmsg+0xee/0x170 [ 4972.213075][ T10] __sys_sendmsg+0xcd/0x170 [ 4972.213075][ T10] do_syscall_64+0xc6/0x1e0 [ 4972.213075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4972.213075][ T10] [ 4972.214640][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4972.214640][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4972.214640][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4972.214640][ T10] ipv6_find_idev+0x102/0x170 [ 4972.214640][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4972.214640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4972.214640][ T10] netlink_rcv_skb+0x130/0x360 [ 4972.214640][ T10] netlink_unicast+0x449/0x710 [ 4972.214640][ T10] netlink_sendmsg+0x723/0xbe0 [ 4972.214640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4972.214640][ T10] ___sys_sendmsg+0xee/0x170 [ 4972.214640][ T10] __sys_sendmsg+0xcd/0x170 [ 4972.214640][ T10] do_syscall_64+0xc6/0x1e0 [ 4972.214640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4972.214640][ T10] [ 4972.216342][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4972.216583][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4972.216583][ T10] netdev_get_by_index+0x5e/0x80 [ 4972.216583][ T10] fib6_nh_init+0x3d8/0x1580 [ 4972.216583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4972.216583][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4972.216583][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4972.216583][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4972.216583][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4972.216583][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4972.216583][ T10] addrconf_dad_begin+0x310/0x670 [ 4972.216583][ T10] addrconf_dad_work+0x10b/0xab0 [ 4972.216583][ T10] process_one_work+0x84d/0x18a0 [ 4972.216583][ T10] worker_thread+0x587/0xd30 [ 4972.216583][ T10] kthread+0x28a/0x350 [ 4972.216583][ T10] ret_from_fork+0x31/0x70 [ 4972.216583][ T10] ret_from_fork_asm+0x1a/0x30 [ 4972.216583][ T10] [ 4972.218507][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4972.218507][ T10] netdev_get_by_index+0x5e/0x80 [ 4972.218507][ T10] fib6_nh_init+0x3d8/0x1580 [ 4972.218507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4972.218507][ T10] ip6_route_add+0x1c/0x140 [ 4972.218507][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4972.218507][ T10] inet6_addr_add+0x4f8/0xa40 [ 4972.218507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4972.218507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4972.218507][ T10] netlink_rcv_skb+0x130/0x360 [ 4972.218507][ T10] netlink_unicast+0x449/0x710 [ 4972.218507][ T10] netlink_sendmsg+0x723/0xbe0 [ 4972.218507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4972.218507][ T10] ___sys_sendmsg+0xee/0x170 [ 4972.218507][ T10] __sys_sendmsg+0xcd/0x170 [ 4972.218507][ T10] do_syscall_64+0xc6/0x1e0 [ 4972.218507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4972.218507][ T10] [ 4972.220708][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4972.220708][ T10] netdev_get_by_index+0x5e/0x80 [ 4972.220708][ T10] fib6_nh_init+0x3d8/0x1580 [ 4972.220708][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4972.220708][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4972.220708][ T10] ipv6_add_addr+0x411/0x2000 [ 4972.220708][ T10] inet6_addr_add+0x30e/0xa40 [ 4972.220708][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4972.220708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4972.220708][ T10] netlink_rcv_skb+0x130/0x360 [ 4972.220708][ T10] netlink_unicast+0x449/0x710 [ 4972.220708][ T10] netlink_sendmsg+0x723/0xbe0 [ 4972.220708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4972.220708][ T10] ___sys_sendmsg+0xee/0x170 [ 4972.220708][ T10] __sys_sendmsg+0xcd/0x170 [ 4972.220708][ T10] do_syscall_64+0xc6/0x1e0 [ 4972.220708][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4972.220708][ T10] [ 4972.222984][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4972.222984][ T10] netdev_get_by_index+0x5e/0x80 [ 4972.222984][ T10] fib6_nh_init+0x3d8/0x1580 [ 4972.222984][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4972.222984][ T10] ip6_route_add+0x1c/0x140 [ 4972.222984][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4972.222984][ T10] addrconf_add_dev+0xe2/0x170 [ 4972.222984][ T10] inet6_addr_add+0x12f/0xa40 [ 4972.222984][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4972.222984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4972.222984][ T10] netlink_rcv_skb+0x130/0x360 [ 4972.222984][ T10] netlink_unicast+0x449/0x710 [ 4972.222984][ T10] netlink_sendmsg+0x723/0xbe0 [ 4972.222984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4972.222984][ T10] ___sys_sendmsg+0xee/0x170 [ 4972.222984][ T10] __sys_sendmsg+0xcd/0x170 [ 4972.222984][ T10] do_syscall_64+0xc6/0x1e0 [ 4972.222984][ T10] [ 4972.225285][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4972.225285][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4972.225285][ T10] ipv6_find_idev+0x102/0x170 [ 4972.225285][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4972.225285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4972.225285][ T10] netlink_rcv_skb+0x130/0x360 [ 4972.225285][ T10] netlink_unicast+0x449/0x710 [ 4972.225285][ T10] netlink_sendmsg+0x723/0xbe0 [ 4972.225285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4972.225285][ T10] ___sys_sendmsg+0xee/0x170 [ 4972.225285][ T10] __sys_sendmsg+0xcd/0x170 [ 4972.225285][ T10] do_syscall_64+0xc6/0x1e0 [ 4972.225285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4972.225285][ T10] [ 4972.227031][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4972.227031][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4972.227031][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4972.227031][ T10] ipv6_find_idev+0x102/0x170 [ 4972.227031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4972.227031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4972.227031][ T10] netlink_rcv_skb+0x130/0x360 [ 4972.227031][ T10] netlink_unicast+0x449/0x710 [ 4972.227031][ T10] netlink_sendmsg+0x723/0xbe0 [ 4972.227031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4972.227031][ T10] ___sys_sendmsg+0xee/0x170 [ 4972.227031][ T10] __sys_sendmsg+0xcd/0x170 [ 4972.227031][ T10] do_syscall_64+0xc6/0x1e0 [ 4972.227031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4972.227031][ T10] [ 4972.228928][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4972.229616][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4972.229616][ T10] netdev_get_by_index+0x5e/0x80 [ 4972.229616][ T10] fib6_nh_init+0x3d8/0x1580 [ 4972.229616][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4972.229616][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4972.229616][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4972.229616][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4972.229616][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4972.229616][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4972.229616][ T10] addrconf_dad_begin+0x310/0x670 [ 4972.229616][ T10] addrconf_dad_work+0x10b/0xab0 [ 4972.229616][ T10] process_one_work+0x84d/0x18a0 [ 4972.229616][ T10] worker_thread+0x587/0xd30 [ 4972.229616][ T10] kthread+0x28a/0x350 [ 4972.229616][ T10] ret_from_fork+0x31/0x70 [ 4972.229616][ T10] ret_from_fork_asm+0x1a/0x30 [ 4972.229616][ T10] [ 4972.231566][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4972.231566][ T10] netdev_get_by_index+0x5e/0x80 [ 4972.231566][ T10] fib6_nh_init+0x3d8/0x1580 [ 4972.231566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4972.231566][ T10] ip6_route_add+0x1c/0x140 [ 4972.231566][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4972.231566][ T10] inet6_addr_add+0x4f8/0xa40 [ 4972.231566][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4972.231566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4972.231566][ T10] netlink_rcv_skb+0x130/0x360 [ 4972.231566][ T10] netlink_unicast+0x449/0x710 [ 4972.231566][ T10] netlink_sendmsg+0x723/0xbe0 [ 4972.231566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4972.231566][ T10] ___sys_sendmsg+0xee/0x170 [ 4972.231566][ T10] __sys_sendmsg+0xcd/0x170 [ 4972.231566][ T10] do_syscall_64+0xc6/0x1e0 [ 4972.231566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4972.231566][ T10] [ 4972.233714][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4972.233714][ T10] netdev_get_by_index+0x5e/0x80 [ 4972.233714][ T10] fib6_nh_init+0x3d8/0x1580 [ 4972.233714][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4972.233714][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4972.233714][ T10] ipv6_add_addr+0x411/0x2000 [ 4972.233714][ T10] inet6_addr_add+0x30e/0xa40 [ 4972.233714][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4972.233714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4972.233714][ T10] netlink_rcv_skb+0x130/0x360 [ 4972.233714][ T10] netlink_unicast+0x449/0x710 [ 4972.233714][ T10] netlink_sendmsg+0x723/0xbe0 [ 4972.233714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4972.233714][ T10] ___sys_sendmsg+0xee/0x170 [ 4972.233714][ T10] __sys_sendmsg+0xcd/0x170 [ 4972.233714][ T10] do_syscall_64+0xc6/0x1e0 [ 4972.233714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4972.233714][ T10] [ 4972.235991][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4972.235991][ T10] netdev_get_by_index+0x5e/0x80 [ 4972.235991][ T10] fib6_nh_init+0x3d8/0x1580 [ 4972.235991][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4972.235991][ T10] ip6_route_add+0x1c/0x140 [ 4972.235991][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4972.235991][ T10] addrconf_add_dev+0xe2/0x170 [ 4972.235991][ T10] inet6_addr_add+0x12f/0xa40 [ 4972.235991][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4972.235991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4972.235991][ T10] netlink_rcv_skb+0x130/0x360 [ 4972.235991][ T10] netlink_unicast+0x449/0x710 [ 4972.235991][ T10] netlink_sendmsg+0x723/0xbe0 [ 4972.235991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4972.235991][ T10] ___sys_sendmsg+0xee/0x170 [ 4972.235991][ T10] __sys_sendmsg+0xcd/0x170 [ 4972.235991][ T10] do_syscall_64+0xc6/0x1e0 [ 4972.235991][ T10] [ 4972.238235][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4972.238235][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4972.238235][ T10] ipv6_find_idev+0x102/0x170 [ 4972.238235][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4972.238235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4972.238235][ T10] netlink_rcv_skb+0x130/0x360 [ 4972.238235][ T10] netlink_unicast+0x449/0x710 [ 4972.238235][ T10] netlink_sendmsg+0x723/0xbe0 [ 4972.238235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4972.238235][ T10] ___sys_sendmsg+0xee/0x170 [ 4972.238235][ T10] __sys_sendmsg+0xcd/0x170 [ 4972.238235][ T10] do_syscall_64+0xc6/0x1e0 [ 4972.238235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4972.238235][ T10] [ 4972.239980][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4972.239980][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4972.239980][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4972.239980][ T10] ipv6_find_idev+0x102/0x170 [ 4972.239980][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4972.239980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4972.239980][ T10] netlink_rcv_skb+0x130/0x360 [ 4972.239980][ T10] netlink_unicast+0x449/0x710 [ 4972.239980][ T10] netlink_sendmsg+0x723/0xbe0 [ 4972.239980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4972.239980][ T10] ___sys_sendmsg+0xee/0x170 [ 4972.239980][ T10] __sys_sendmsg+0xcd/0x170 [ 4972.239980][ T10] do_syscall_64+0xc6/0x1e0 [ 4972.239980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4972.239980][ T10] [ 4975.929112][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4975.929589][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4975.929589][ T1167] dst_init+0x84/0x4a0 [ 4975.929589][ T1167] dst_alloc+0x97/0x150 [ 4975.929589][ T1167] ip6_dst_alloc+0x23/0x90 [ 4975.929589][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4975.929589][ T1167] ip6_pol_route+0x56f/0x840 [ 4975.929589][ T1167] fib6_rule_lookup+0x334/0x630 [ 4975.929589][ T1167] ip6_route_output_flags+0x259/0x480 [ 4975.929589][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4975.929589][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4975.929589][ T1167] netlink_rcv_skb+0x130/0x360 [ 4975.929589][ T1167] netlink_unicast+0x449/0x710 [ 4975.929589][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4975.929589][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4975.929589][ T1167] ___sys_sendmsg+0xee/0x170 [ 4975.929589][ T1167] __sys_sendmsg+0xcd/0x170 [ 4975.929589][ T1167] do_syscall_64+0xc6/0x1e0 [ 4975.929589][ T1167] [ 4975.931931][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4975.931931][ T1167] netdev_get_by_index+0x5e/0x80 [ 4975.931931][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4975.931931][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4975.931931][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4975.931931][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4975.931931][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4975.931931][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4975.931931][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4975.931931][ T1167] addrconf_dad_begin+0x310/0x670 [ 4975.931931][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4975.931931][ T1167] process_one_work+0x84d/0x18a0 [ 4975.931931][ T1167] worker_thread+0x587/0xd30 [ 4975.931931][ T1167] kthread+0x28a/0x350 [ 4975.931931][ T1167] ret_from_fork+0x31/0x70 [ 4975.931931][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4975.931931][ T1167] [ 4975.934081][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4975.934081][ T1167] netdev_get_by_index+0x5e/0x80 [ 4975.934081][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4975.934081][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4975.934081][ T1167] ip6_route_add+0x1c/0x140 [ 4975.934081][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4975.934081][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4975.934081][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4975.934081][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4975.934081][ T1167] netlink_rcv_skb+0x130/0x360 [ 4975.934081][ T1167] netlink_unicast+0x449/0x710 [ 4975.934081][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4975.934081][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4975.934081][ T1167] ___sys_sendmsg+0xee/0x170 [ 4975.934081][ T1167] __sys_sendmsg+0xcd/0x170 [ 4975.934081][ T1167] do_syscall_64+0xc6/0x1e0 [ 4975.934081][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4975.934081][ T1167] [ 4975.936346][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4975.936346][ T1167] netdev_get_by_index+0x5e/0x80 [ 4975.936346][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4975.936346][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4975.936346][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4975.936346][ T1167] ipv6_add_addr+0x411/0x2000 [ 4975.936346][ T1167] inet6_addr_add+0x30e/0xa40 [ 4975.936346][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4975.936346][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4975.936346][ T1167] netlink_rcv_skb+0x130/0x360 [ 4975.936346][ T1167] netlink_unicast+0x449/0x710 [ 4975.936346][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4975.936346][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4975.936346][ T1167] ___sys_sendmsg+0xee/0x170 [ 4975.936346][ T1167] __sys_sendmsg+0xcd/0x170 [ 4975.936346][ T1167] do_syscall_64+0xc6/0x1e0 [ 4975.936346][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4975.936346][ T1167] [ 4975.938601][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4975.938601][ T1167] netdev_get_by_index+0x5e/0x80 [ 4975.938601][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4975.938601][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4975.938601][ T1167] ip6_route_add+0x1c/0x140 [ 4975.938601][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4975.938601][ T1167] addrconf_add_dev+0xe2/0x170 [ 4975.938601][ T1167] inet6_addr_add+0x12f/0xa40 [ 4975.938601][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4975.938601][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4975.938601][ T1167] netlink_rcv_skb+0x130/0x360 [ 4975.938601][ T1167] netlink_unicast+0x449/0x710 [ 4975.938601][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4975.938601][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4975.938601][ T1167] ___sys_sendmsg+0xee/0x170 [ 4975.938601][ T1167] __sys_sendmsg+0xcd/0x170 [ 4975.938601][ T1167] do_syscall_64+0xc6/0x1e0 [ 4975.938601][ T1167] [ 4975.940805][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4975.940805][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4975.940805][ T1167] ipv6_find_idev+0x102/0x170 [ 4975.940805][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4975.940805][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4975.940805][ T1167] netlink_rcv_skb+0x130/0x360 [ 4975.940805][ T1167] netlink_unicast+0x449/0x710 [ 4975.940805][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4975.940805][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4975.940805][ T1167] ___sys_sendmsg+0xee/0x170 [ 4975.940805][ T1167] __sys_sendmsg+0xcd/0x170 [ 4975.940805][ T1167] do_syscall_64+0xc6/0x1e0 [ 4975.940805][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4975.940805][ T1167] [ 4975.942543][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4975.942543][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4975.942543][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4975.942543][ T1167] ipv6_find_idev+0x102/0x170 [ 4975.942543][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4975.942543][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4975.942543][ T1167] netlink_rcv_skb+0x130/0x360 [ 4975.942543][ T1167] netlink_unicast+0x449/0x710 [ 4975.942543][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4975.942543][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4975.942543][ T1167] ___sys_sendmsg+0xee/0x170 [ 4975.942543][ T1167] __sys_sendmsg+0xcd/0x170 [ 4975.942543][ T1167] do_syscall_64+0xc6/0x1e0 [ 4975.942543][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4975.942543][ T1167] [ 4982.305119][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4982.305510][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4982.305510][ T10] netdev_get_by_index+0x5e/0x80 [ 4982.305510][ T10] fib6_nh_init+0x3d8/0x1580 [ 4982.305510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4982.305510][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4982.305510][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4982.305510][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4982.305510][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4982.305510][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4982.305510][ T10] addrconf_dad_begin+0x310/0x670 [ 4982.305510][ T10] addrconf_dad_work+0x10b/0xab0 [ 4982.305510][ T10] process_one_work+0x84d/0x18a0 [ 4982.305510][ T10] worker_thread+0x587/0xd30 [ 4982.305510][ T10] kthread+0x28a/0x350 [ 4982.305510][ T10] ret_from_fork+0x31/0x70 [ 4982.305510][ T10] ret_from_fork_asm+0x1a/0x30 [ 4982.305510][ T10] [ 4982.307489][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4982.307489][ T10] netdev_get_by_index+0x5e/0x80 [ 4982.307489][ T10] fib6_nh_init+0x3d8/0x1580 [ 4982.307489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4982.307489][ T10] ip6_route_add+0x1c/0x140 [ 4982.307489][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4982.307489][ T10] inet6_addr_add+0x4f8/0xa40 [ 4982.307489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4982.307489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4982.307489][ T10] netlink_rcv_skb+0x130/0x360 [ 4982.307489][ T10] netlink_unicast+0x449/0x710 [ 4982.307489][ T10] netlink_sendmsg+0x723/0xbe0 [ 4982.307489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4982.307489][ T10] ___sys_sendmsg+0xee/0x170 [ 4982.307489][ T10] __sys_sendmsg+0xcd/0x170 [ 4982.307489][ T10] do_syscall_64+0xc6/0x1e0 [ 4982.307489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4982.307489][ T10] [ 4982.309539][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4982.309539][ T10] netdev_get_by_index+0x5e/0x80 [ 4982.309539][ T10] fib6_nh_init+0x3d8/0x1580 [ 4982.309539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4982.309539][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4982.309539][ T10] ipv6_add_addr+0x411/0x2000 [ 4982.309539][ T10] inet6_addr_add+0x30e/0xa40 [ 4982.309539][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4982.309539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4982.309539][ T10] netlink_rcv_skb+0x130/0x360 [ 4982.309539][ T10] netlink_unicast+0x449/0x710 [ 4982.309539][ T10] netlink_sendmsg+0x723/0xbe0 [ 4982.309539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4982.309539][ T10] ___sys_sendmsg+0xee/0x170 [ 4982.309539][ T10] __sys_sendmsg+0xcd/0x170 [ 4982.309539][ T10] do_syscall_64+0xc6/0x1e0 [ 4982.309539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4982.309539][ T10] [ 4982.311572][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4982.311572][ T10] netdev_get_by_index+0x5e/0x80 [ 4982.311572][ T10] fib6_nh_init+0x3d8/0x1580 [ 4982.311572][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4982.311572][ T10] ip6_route_add+0x1c/0x140 [ 4982.311572][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4982.311572][ T10] addrconf_add_dev+0xe2/0x170 [ 4982.311572][ T10] inet6_addr_add+0x12f/0xa40 [ 4982.311572][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4982.311572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4982.311572][ T10] netlink_rcv_skb+0x130/0x360 [ 4982.311572][ T10] netlink_unicast+0x449/0x710 [ 4982.311572][ T10] netlink_sendmsg+0x723/0xbe0 [ 4982.311572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4982.311572][ T10] ___sys_sendmsg+0xee/0x170 [ 4982.311572][ T10] __sys_sendmsg+0xcd/0x170 [ 4982.311572][ T10] do_syscall_64+0xc6/0x1e0 [ 4982.311572][ T10] [ 4982.313574][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4982.313574][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4982.313574][ T10] ipv6_find_idev+0x102/0x170 [ 4982.313574][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4982.313574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4982.313574][ T10] netlink_rcv_skb+0x130/0x360 [ 4982.313574][ T10] netlink_unicast+0x449/0x710 [ 4982.313574][ T10] netlink_sendmsg+0x723/0xbe0 [ 4982.313574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4982.313574][ T10] ___sys_sendmsg+0xee/0x170 [ 4982.313574][ T10] __sys_sendmsg+0xcd/0x170 [ 4982.313574][ T10] do_syscall_64+0xc6/0x1e0 [ 4982.313574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4982.313574][ T10] [ 4982.315153][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4982.315153][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4982.315153][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4982.315153][ T10] ipv6_find_idev+0x102/0x170 [ 4982.315153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4982.315153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4982.315153][ T10] netlink_rcv_skb+0x130/0x360 [ 4982.315153][ T10] netlink_unicast+0x449/0x710 [ 4982.315153][ T10] netlink_sendmsg+0x723/0xbe0 [ 4982.315153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4982.315153][ T10] ___sys_sendmsg+0xee/0x170 [ 4982.315153][ T10] __sys_sendmsg+0xcd/0x170 [ 4982.315153][ T10] do_syscall_64+0xc6/0x1e0 [ 4982.315153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4982.315153][ T10] [ 4982.316879][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4982.317146][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4982.317146][ T10] netdev_get_by_index+0x5e/0x80 [ 4982.317146][ T10] fib6_nh_init+0x3d8/0x1580 [ 4982.317146][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4982.317146][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4982.317146][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4982.317146][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4982.317146][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4982.317146][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4982.317146][ T10] addrconf_dad_begin+0x310/0x670 [ 4982.317146][ T10] addrconf_dad_work+0x10b/0xab0 [ 4982.317146][ T10] process_one_work+0x84d/0x18a0 [ 4982.317146][ T10] worker_thread+0x587/0xd30 [ 4982.317146][ T10] kthread+0x28a/0x350 [ 4982.317146][ T10] ret_from_fork+0x31/0x70 [ 4982.317146][ T10] ret_from_fork_asm+0x1a/0x30 [ 4982.317146][ T10] [ 4982.319104][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4982.319104][ T10] netdev_get_by_index+0x5e/0x80 [ 4982.319104][ T10] fib6_nh_init+0x3d8/0x1580 [ 4982.319104][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4982.319104][ T10] ip6_route_add+0x1c/0x140 [ 4982.319104][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4982.319104][ T10] inet6_addr_add+0x4f8/0xa40 [ 4982.319104][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4982.319104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4982.319104][ T10] netlink_rcv_skb+0x130/0x360 [ 4982.319104][ T10] netlink_unicast+0x449/0x710 [ 4982.319104][ T10] netlink_sendmsg+0x723/0xbe0 [ 4982.319104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4982.319104][ T10] ___sys_sendmsg+0xee/0x170 [ 4982.319104][ T10] __sys_sendmsg+0xcd/0x170 [ 4982.319104][ T10] do_syscall_64+0xc6/0x1e0 [ 4982.319104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4982.319104][ T10] [ 4982.321132][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4982.321132][ T10] netdev_get_by_index+0x5e/0x80 [ 4982.321132][ T10] fib6_nh_init+0x3d8/0x1580 [ 4982.321132][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4982.321132][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4982.321132][ T10] ipv6_add_addr+0x411/0x2000 [ 4982.321132][ T10] inet6_addr_add+0x30e/0xa40 [ 4982.321132][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4982.321132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4982.321132][ T10] netlink_rcv_skb+0x130/0x360 [ 4982.321132][ T10] netlink_unicast+0x449/0x710 [ 4982.321132][ T10] netlink_sendmsg+0x723/0xbe0 [ 4982.321132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4982.321132][ T10] ___sys_sendmsg+0xee/0x170 [ 4982.321132][ T10] __sys_sendmsg+0xcd/0x170 [ 4982.321132][ T10] do_syscall_64+0xc6/0x1e0 [ 4982.321132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4982.321132][ T10] [ 4982.323152][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4982.323152][ T10] netdev_get_by_index+0x5e/0x80 [ 4982.323152][ T10] fib6_nh_init+0x3d8/0x1580 [ 4982.323152][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4982.323152][ T10] ip6_route_add+0x1c/0x140 [ 4982.323152][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4982.323152][ T10] addrconf_add_dev+0xe2/0x170 [ 4982.323152][ T10] inet6_addr_add+0x12f/0xa40 [ 4982.323152][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4982.323152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4982.323152][ T10] netlink_rcv_skb+0x130/0x360 [ 4982.323152][ T10] netlink_unicast+0x449/0x710 [ 4982.323152][ T10] netlink_sendmsg+0x723/0xbe0 [ 4982.323152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4982.323152][ T10] ___sys_sendmsg+0xee/0x170 [ 4982.323152][ T10] __sys_sendmsg+0xcd/0x170 [ 4982.323152][ T10] do_syscall_64+0xc6/0x1e0 [ 4982.323152][ T10] [ 4982.325160][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4982.325160][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4982.325160][ T10] ipv6_find_idev+0x102/0x170 [ 4982.325160][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4982.325160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4982.325160][ T10] netlink_rcv_skb+0x130/0x360 [ 4982.325160][ T10] netlink_unicast+0x449/0x710 [ 4982.325160][ T10] netlink_sendmsg+0x723/0xbe0 [ 4982.325160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4982.325160][ T10] ___sys_sendmsg+0xee/0x170 [ 4982.325160][ T10] __sys_sendmsg+0xcd/0x170 [ 4982.325160][ T10] do_syscall_64+0xc6/0x1e0 [ 4982.325160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4982.325160][ T10] [ 4982.326732][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4982.326732][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4982.326732][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4982.326732][ T10] ipv6_find_idev+0x102/0x170 [ 4982.326732][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4982.326732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4982.326732][ T10] netlink_rcv_skb+0x130/0x360 [ 4982.326732][ T10] netlink_unicast+0x449/0x710 [ 4982.326732][ T10] netlink_sendmsg+0x723/0xbe0 [ 4982.326732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4982.326732][ T10] ___sys_sendmsg+0xee/0x170 [ 4982.326732][ T10] __sys_sendmsg+0xcd/0x170 [ 4982.326732][ T10] do_syscall_64+0xc6/0x1e0 [ 4982.326732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4982.326732][ T10] [ 4982.328451][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4982.328701][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4982.328701][ T10] netdev_get_by_index+0x5e/0x80 [ 4982.328701][ T10] fib6_nh_init+0x3d8/0x1580 [ 4982.328701][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4982.328701][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4982.328701][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4982.328701][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4982.328701][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4982.328701][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4982.328701][ T10] addrconf_dad_begin+0x310/0x670 [ 4982.328701][ T10] addrconf_dad_work+0x10b/0xab0 [ 4982.328701][ T10] process_one_work+0x84d/0x18a0 [ 4982.328701][ T10] worker_thread+0x587/0xd30 [ 4982.328701][ T10] kthread+0x28a/0x350 [ 4982.328701][ T10] ret_from_fork+0x31/0x70 [ 4982.328701][ T10] ret_from_fork_asm+0x1a/0x30 [ 4982.328701][ T10] [ 4982.330679][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4982.330679][ T10] netdev_get_by_index+0x5e/0x80 [ 4982.330679][ T10] fib6_nh_init+0x3d8/0x1580 [ 4982.330679][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4982.330679][ T10] ip6_route_add+0x1c/0x140 [ 4982.330679][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4982.330679][ T10] inet6_addr_add+0x4f8/0xa40 [ 4982.330679][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4982.330679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4982.330679][ T10] netlink_rcv_skb+0x130/0x360 [ 4982.330679][ T10] netlink_unicast+0x449/0x710 [ 4982.330679][ T10] netlink_sendmsg+0x723/0xbe0 [ 4982.330679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4982.330679][ T10] ___sys_sendmsg+0xee/0x170 [ 4982.330679][ T10] __sys_sendmsg+0xcd/0x170 [ 4982.330679][ T10] do_syscall_64+0xc6/0x1e0 [ 4982.330679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4982.330679][ T10] [ 4982.332899][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4982.332899][ T10] netdev_get_by_index+0x5e/0x80 [ 4982.332899][ T10] fib6_nh_init+0x3d8/0x1580 [ 4982.332899][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4982.332899][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4982.332899][ T10] ipv6_add_addr+0x411/0x2000 [ 4982.332899][ T10] inet6_addr_add+0x30e/0xa40 [ 4982.332899][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4982.332899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4982.332899][ T10] netlink_rcv_skb+0x130/0x360 [ 4982.332899][ T10] netlink_unicast+0x449/0x710 [ 4982.332899][ T10] netlink_sendmsg+0x723/0xbe0 [ 4982.332899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4982.332899][ T10] ___sys_sendmsg+0xee/0x170 [ 4982.332899][ T10] __sys_sendmsg+0xcd/0x170 [ 4982.332899][ T10] do_syscall_64+0xc6/0x1e0 [ 4982.332899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4982.332899][ T10] [ 4982.335176][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4982.335176][ T10] netdev_get_by_index+0x5e/0x80 [ 4982.335176][ T10] fib6_nh_init+0x3d8/0x1580 [ 4982.335176][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4982.335176][ T10] ip6_route_add+0x1c/0x140 [ 4982.335176][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4982.335176][ T10] addrconf_add_dev+0xe2/0x170 [ 4982.335176][ T10] inet6_addr_add+0x12f/0xa40 [ 4982.335176][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4982.335176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4982.335176][ T10] netlink_rcv_skb+0x130/0x360 [ 4982.335176][ T10] netlink_unicast+0x449/0x710 [ 4982.335176][ T10] netlink_sendmsg+0x723/0xbe0 [ 4982.335176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4982.335176][ T10] ___sys_sendmsg+0xee/0x170 [ 4982.335176][ T10] __sys_sendmsg+0xcd/0x170 [ 4982.335176][ T10] do_syscall_64+0xc6/0x1e0 [ 4982.335176][ T10] [ 4982.337467][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4982.337467][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4982.337467][ T10] ipv6_find_idev+0x102/0x170 [ 4982.337467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4982.337467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4982.337467][ T10] netlink_rcv_skb+0x130/0x360 [ 4982.337467][ T10] netlink_unicast+0x449/0x710 [ 4982.337467][ T10] netlink_sendmsg+0x723/0xbe0 [ 4982.337467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4982.337467][ T10] ___sys_sendmsg+0xee/0x170 [ 4982.337467][ T10] __sys_sendmsg+0xcd/0x170 [ 4982.337467][ T10] do_syscall_64+0xc6/0x1e0 [ 4982.337467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4982.337467][ T10] [ 4982.339205][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4982.339205][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4982.339205][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4982.339205][ T10] ipv6_find_idev+0x102/0x170 [ 4982.339205][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4982.339205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4982.339205][ T10] netlink_rcv_skb+0x130/0x360 [ 4982.339205][ T10] netlink_unicast+0x449/0x710 [ 4982.339205][ T10] netlink_sendmsg+0x723/0xbe0 [ 4982.339205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4982.339205][ T10] ___sys_sendmsg+0xee/0x170 [ 4982.339205][ T10] __sys_sendmsg+0xcd/0x170 [ 4982.339205][ T10] do_syscall_64+0xc6/0x1e0 [ 4982.339205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4982.339205][ T10] [ 4982.341093][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4982.341334][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4982.341334][ T10] netdev_get_by_index+0x5e/0x80 [ 4982.341334][ T10] fib6_nh_init+0x3d8/0x1580 [ 4982.341334][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4982.341334][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4982.341334][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4982.341334][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4982.341334][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4982.341334][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4982.341334][ T10] addrconf_dad_begin+0x310/0x670 [ 4982.341334][ T10] addrconf_dad_work+0x10b/0xab0 [ 4982.341334][ T10] process_one_work+0x84d/0x18a0 [ 4982.341334][ T10] worker_thread+0x587/0xd30 [ 4982.341334][ T10] kthread+0x28a/0x350 [ 4982.341334][ T10] ret_from_fork+0x31/0x70 [ 4982.341334][ T10] ret_from_fork_asm+0x1a/0x30 [ 4982.341334][ T10] [ 4982.343498][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4982.343498][ T10] netdev_get_by_index+0x5e/0x80 [ 4982.343498][ T10] fib6_nh_init+0x3d8/0x1580 [ 4982.343498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4982.343498][ T10] ip6_route_add+0x1c/0x140 [ 4982.343498][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4982.343498][ T10] inet6_addr_add+0x4f8/0xa40 [ 4982.343498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4982.343498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4982.343498][ T10] netlink_rcv_skb+0x130/0x360 [ 4982.343498][ T10] netlink_unicast+0x449/0x710 [ 4982.343498][ T10] netlink_sendmsg+0x723/0xbe0 [ 4982.343498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4982.343498][ T10] ___sys_sendmsg+0xee/0x170 [ 4982.343498][ T10] __sys_sendmsg+0xcd/0x170 [ 4982.343498][ T10] do_syscall_64+0xc6/0x1e0 [ 4982.343498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4982.343498][ T10] [ 4982.345831][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4982.345831][ T10] netdev_get_by_index+0x5e/0x80 [ 4982.345831][ T10] fib6_nh_init+0x3d8/0x1580 [ 4982.345831][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4982.345831][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4982.345831][ T10] ipv6_add_addr+0x411/0x2000 [ 4982.345831][ T10] inet6_addr_add+0x30e/0xa40 [ 4982.345831][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4982.345831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4982.345831][ T10] netlink_rcv_skb+0x130/0x360 [ 4982.345831][ T10] netlink_unicast+0x449/0x710 [ 4982.345831][ T10] netlink_sendmsg+0x723/0xbe0 [ 4982.345831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4982.345831][ T10] ___sys_sendmsg+0xee/0x170 [ 4982.345831][ T10] __sys_sendmsg+0xcd/0x170 [ 4982.345831][ T10] do_syscall_64+0xc6/0x1e0 [ 4982.345831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4982.345831][ T10] [ 4982.348041][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4982.348041][ T10] netdev_get_by_index+0x5e/0x80 [ 4982.348041][ T10] fib6_nh_init+0x3d8/0x1580 [ 4982.348041][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4982.348041][ T10] ip6_route_add+0x1c/0x140 [ 4982.348041][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4982.348041][ T10] addrconf_add_dev+0xe2/0x170 [ 4982.348041][ T10] inet6_addr_add+0x12f/0xa40 [ 4982.348041][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4982.348041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4982.348041][ T10] netlink_rcv_skb+0x130/0x360 [ 4982.348041][ T10] netlink_unicast+0x449/0x710 [ 4982.348041][ T10] netlink_sendmsg+0x723/0xbe0 [ 4982.348041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4982.348041][ T10] ___sys_sendmsg+0xee/0x170 [ 4982.348041][ T10] __sys_sendmsg+0xcd/0x170 [ 4982.348041][ T10] do_syscall_64+0xc6/0x1e0 [ 4982.348041][ T10] [ 4982.350305][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4982.350305][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4982.350305][ T10] ipv6_find_idev+0x102/0x170 [ 4982.350305][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4982.350305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4982.350305][ T10] netlink_rcv_skb+0x130/0x360 [ 4982.350305][ T10] netlink_unicast+0x449/0x710 [ 4982.350305][ T10] netlink_sendmsg+0x723/0xbe0 [ 4982.350305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4982.350305][ T10] ___sys_sendmsg+0xee/0x170 [ 4982.350305][ T10] __sys_sendmsg+0xcd/0x170 [ 4982.350305][ T10] do_syscall_64+0xc6/0x1e0 [ 4982.350305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4982.350305][ T10] [ 4982.352046][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4982.352046][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4982.352046][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4982.352046][ T10] ipv6_find_idev+0x102/0x170 [ 4982.352046][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4982.352046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4982.352046][ T10] netlink_rcv_skb+0x130/0x360 [ 4982.352046][ T10] netlink_unicast+0x449/0x710 [ 4982.352046][ T10] netlink_sendmsg+0x723/0xbe0 [ 4982.352046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4982.352046][ T10] ___sys_sendmsg+0xee/0x170 [ 4982.352046][ T10] __sys_sendmsg+0xcd/0x170 [ 4982.352046][ T10] do_syscall_64+0xc6/0x1e0 [ 4982.352046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4982.352046][ T10] [ 4985.953116][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4985.953606][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4985.953606][ T1167] dst_init+0x84/0x4a0 [ 4985.953606][ T1167] dst_alloc+0x97/0x150 [ 4985.953606][ T1167] ip6_dst_alloc+0x23/0x90 [ 4985.953606][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4985.953606][ T1167] ip6_pol_route+0x56f/0x840 [ 4985.953606][ T1167] fib6_rule_lookup+0x334/0x630 [ 4985.953606][ T1167] ip6_route_output_flags+0x259/0x480 [ 4985.953606][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4985.953606][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4985.953606][ T1167] netlink_rcv_skb+0x130/0x360 [ 4985.953606][ T1167] netlink_unicast+0x449/0x710 [ 4985.953606][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4985.953606][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4985.953606][ T1167] ___sys_sendmsg+0xee/0x170 [ 4985.953606][ T1167] __sys_sendmsg+0xcd/0x170 [ 4985.953606][ T1167] do_syscall_64+0xc6/0x1e0 [ 4985.953606][ T1167] [ 4985.955819][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4985.955819][ T1167] netdev_get_by_index+0x5e/0x80 [ 4985.955819][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4985.955819][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4985.955819][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4985.955819][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4985.955819][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4985.955819][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4985.955819][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4985.955819][ T1167] addrconf_dad_begin+0x310/0x670 [ 4985.955819][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4985.955819][ T1167] process_one_work+0x84d/0x18a0 [ 4985.955819][ T1167] worker_thread+0x587/0xd30 [ 4985.955819][ T1167] kthread+0x28a/0x350 [ 4985.955819][ T1167] ret_from_fork+0x31/0x70 [ 4985.955819][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4985.955819][ T1167] [ 4985.957975][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4985.957975][ T1167] netdev_get_by_index+0x5e/0x80 [ 4985.957975][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4985.957975][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4985.957975][ T1167] ip6_route_add+0x1c/0x140 [ 4985.957975][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4985.957975][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4985.957975][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4985.957975][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4985.957975][ T1167] netlink_rcv_skb+0x130/0x360 [ 4985.957975][ T1167] netlink_unicast+0x449/0x710 [ 4985.957975][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4985.957975][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4985.957975][ T1167] ___sys_sendmsg+0xee/0x170 [ 4985.957975][ T1167] __sys_sendmsg+0xcd/0x170 [ 4985.957975][ T1167] do_syscall_64+0xc6/0x1e0 [ 4985.957975][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4985.957975][ T1167] [ 4985.960222][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4985.960222][ T1167] netdev_get_by_index+0x5e/0x80 [ 4985.960222][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4985.960222][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4985.960222][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4985.960222][ T1167] ipv6_add_addr+0x411/0x2000 [ 4985.960222][ T1167] inet6_addr_add+0x30e/0xa40 [ 4985.960222][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4985.960222][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4985.960222][ T1167] netlink_rcv_skb+0x130/0x360 [ 4985.960222][ T1167] netlink_unicast+0x449/0x710 [ 4985.960222][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4985.960222][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4985.960222][ T1167] ___sys_sendmsg+0xee/0x170 [ 4985.960222][ T1167] __sys_sendmsg+0xcd/0x170 [ 4985.960222][ T1167] do_syscall_64+0xc6/0x1e0 [ 4985.960222][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4985.960222][ T1167] [ 4985.962475][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4985.962475][ T1167] netdev_get_by_index+0x5e/0x80 [ 4985.962475][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4985.962475][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4985.962475][ T1167] ip6_route_add+0x1c/0x140 [ 4985.962475][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4985.962475][ T1167] addrconf_add_dev+0xe2/0x170 [ 4985.962475][ T1167] inet6_addr_add+0x12f/0xa40 [ 4985.962475][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4985.962475][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4985.962475][ T1167] netlink_rcv_skb+0x130/0x360 [ 4985.962475][ T1167] netlink_unicast+0x449/0x710 [ 4985.962475][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4985.962475][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4985.962475][ T1167] ___sys_sendmsg+0xee/0x170 [ 4985.962475][ T1167] __sys_sendmsg+0xcd/0x170 [ 4985.962475][ T1167] do_syscall_64+0xc6/0x1e0 [ 4985.962475][ T1167] [ 4985.964688][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4985.964688][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4985.964688][ T1167] ipv6_find_idev+0x102/0x170 [ 4985.964688][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4985.964688][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4985.964688][ T1167] netlink_rcv_skb+0x130/0x360 [ 4985.964688][ T1167] netlink_unicast+0x449/0x710 [ 4985.964688][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4985.964688][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4985.964688][ T1167] ___sys_sendmsg+0xee/0x170 [ 4985.964688][ T1167] __sys_sendmsg+0xcd/0x170 [ 4985.964688][ T1167] do_syscall_64+0xc6/0x1e0 [ 4985.964688][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4985.964688][ T1167] [ 4985.966452][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4985.966452][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4985.966452][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4985.966452][ T1167] ipv6_find_idev+0x102/0x170 [ 4985.966452][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4985.966452][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4985.966452][ T1167] netlink_rcv_skb+0x130/0x360 [ 4985.966452][ T1167] netlink_unicast+0x449/0x710 [ 4985.966452][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4985.966452][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4985.966452][ T1167] ___sys_sendmsg+0xee/0x170 [ 4985.966452][ T1167] __sys_sendmsg+0xcd/0x170 [ 4985.966452][ T1167] do_syscall_64+0xc6/0x1e0 [ 4985.966452][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4985.966452][ T1167] [ 4992.593118][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 4992.593520][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4992.593520][ T10] netdev_get_by_index+0x5e/0x80 [ 4992.593520][ T10] fib6_nh_init+0x3d8/0x1580 [ 4992.593520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4992.593520][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4992.593520][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4992.593520][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4992.593520][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4992.593520][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4992.593520][ T10] addrconf_dad_begin+0x310/0x670 [ 4992.593520][ T10] addrconf_dad_work+0x10b/0xab0 [ 4992.593520][ T10] process_one_work+0x84d/0x18a0 [ 4992.593520][ T10] worker_thread+0x587/0xd30 [ 4992.593520][ T10] kthread+0x28a/0x350 [ 4992.593520][ T10] ret_from_fork+0x31/0x70 [ 4992.593520][ T10] ret_from_fork_asm+0x1a/0x30 [ 4992.593520][ T10] [ 4992.595484][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4992.595484][ T10] netdev_get_by_index+0x5e/0x80 [ 4992.595484][ T10] fib6_nh_init+0x3d8/0x1580 [ 4992.595484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4992.595484][ T10] ip6_route_add+0x1c/0x140 [ 4992.595484][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4992.595484][ T10] inet6_addr_add+0x4f8/0xa40 [ 4992.595484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4992.595484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.595484][ T10] netlink_rcv_skb+0x130/0x360 [ 4992.595484][ T10] netlink_unicast+0x449/0x710 [ 4992.595484][ T10] netlink_sendmsg+0x723/0xbe0 [ 4992.595484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4992.595484][ T10] ___sys_sendmsg+0xee/0x170 [ 4992.595484][ T10] __sys_sendmsg+0xcd/0x170 [ 4992.595484][ T10] do_syscall_64+0xc6/0x1e0 [ 4992.595484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.595484][ T10] [ 4992.597515][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4992.597515][ T10] netdev_get_by_index+0x5e/0x80 [ 4992.597515][ T10] fib6_nh_init+0x3d8/0x1580 [ 4992.597515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4992.597515][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4992.597515][ T10] ipv6_add_addr+0x411/0x2000 [ 4992.597515][ T10] inet6_addr_add+0x30e/0xa40 [ 4992.597515][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4992.597515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.597515][ T10] netlink_rcv_skb+0x130/0x360 [ 4992.597515][ T10] netlink_unicast+0x449/0x710 [ 4992.597515][ T10] netlink_sendmsg+0x723/0xbe0 [ 4992.597515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4992.597515][ T10] ___sys_sendmsg+0xee/0x170 [ 4992.597515][ T10] __sys_sendmsg+0xcd/0x170 [ 4992.597515][ T10] do_syscall_64+0xc6/0x1e0 [ 4992.597515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.597515][ T10] [ 4992.599536][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4992.599536][ T10] netdev_get_by_index+0x5e/0x80 [ 4992.599536][ T10] fib6_nh_init+0x3d8/0x1580 [ 4992.599536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4992.599536][ T10] ip6_route_add+0x1c/0x140 [ 4992.599536][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4992.599536][ T10] addrconf_add_dev+0xe2/0x170 [ 4992.599536][ T10] inet6_addr_add+0x12f/0xa40 [ 4992.599536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4992.599536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.599536][ T10] netlink_rcv_skb+0x130/0x360 [ 4992.599536][ T10] netlink_unicast+0x449/0x710 [ 4992.599536][ T10] netlink_sendmsg+0x723/0xbe0 [ 4992.599536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4992.599536][ T10] ___sys_sendmsg+0xee/0x170 [ 4992.599536][ T10] __sys_sendmsg+0xcd/0x170 [ 4992.599536][ T10] do_syscall_64+0xc6/0x1e0 [ 4992.599536][ T10] [ 4992.601548][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4992.601548][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4992.601548][ T10] ipv6_find_idev+0x102/0x170 [ 4992.601548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4992.601548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.601548][ T10] netlink_rcv_skb+0x130/0x360 [ 4992.601548][ T10] netlink_unicast+0x449/0x710 [ 4992.601548][ T10] netlink_sendmsg+0x723/0xbe0 [ 4992.601548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4992.601548][ T10] ___sys_sendmsg+0xee/0x170 [ 4992.601548][ T10] __sys_sendmsg+0xcd/0x170 [ 4992.601548][ T10] do_syscall_64+0xc6/0x1e0 [ 4992.601548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.601548][ T10] [ 4992.603108][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 4992.603108][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4992.603108][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4992.603108][ T10] ipv6_find_idev+0x102/0x170 [ 4992.603108][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4992.603108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.603108][ T10] netlink_rcv_skb+0x130/0x360 [ 4992.603108][ T10] netlink_unicast+0x449/0x710 [ 4992.603108][ T10] netlink_sendmsg+0x723/0xbe0 [ 4992.603108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4992.603108][ T10] ___sys_sendmsg+0xee/0x170 [ 4992.603108][ T10] __sys_sendmsg+0xcd/0x170 [ 4992.603108][ T10] do_syscall_64+0xc6/0x1e0 [ 4992.603108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.603108][ T10] [ 4992.604837][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 4992.605108][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4992.605108][ T10] netdev_get_by_index+0x5e/0x80 [ 4992.605108][ T10] fib6_nh_init+0x3d8/0x1580 [ 4992.605108][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4992.605108][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4992.605108][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4992.605108][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4992.605108][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4992.605108][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4992.605108][ T10] addrconf_dad_begin+0x310/0x670 [ 4992.605108][ T10] addrconf_dad_work+0x10b/0xab0 [ 4992.605108][ T10] process_one_work+0x84d/0x18a0 [ 4992.605108][ T10] worker_thread+0x587/0xd30 [ 4992.605108][ T10] kthread+0x28a/0x350 [ 4992.605108][ T10] ret_from_fork+0x31/0x70 [ 4992.605108][ T10] ret_from_fork_asm+0x1a/0x30 [ 4992.605108][ T10] [ 4992.607046][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4992.607046][ T10] netdev_get_by_index+0x5e/0x80 [ 4992.607046][ T10] fib6_nh_init+0x3d8/0x1580 [ 4992.607046][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4992.607046][ T10] ip6_route_add+0x1c/0x140 [ 4992.607046][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4992.607046][ T10] inet6_addr_add+0x4f8/0xa40 [ 4992.607046][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4992.607046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.607046][ T10] netlink_rcv_skb+0x130/0x360 [ 4992.607046][ T10] netlink_unicast+0x449/0x710 [ 4992.607046][ T10] netlink_sendmsg+0x723/0xbe0 [ 4992.607046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4992.607046][ T10] ___sys_sendmsg+0xee/0x170 [ 4992.607046][ T10] __sys_sendmsg+0xcd/0x170 [ 4992.607046][ T10] do_syscall_64+0xc6/0x1e0 [ 4992.607046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.607046][ T10] [ 4992.609070][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4992.609070][ T10] netdev_get_by_index+0x5e/0x80 [ 4992.609070][ T10] fib6_nh_init+0x3d8/0x1580 [ 4992.609070][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4992.609070][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4992.609070][ T10] ipv6_add_addr+0x411/0x2000 [ 4992.609070][ T10] inet6_addr_add+0x30e/0xa40 [ 4992.609070][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4992.609070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.609070][ T10] netlink_rcv_skb+0x130/0x360 [ 4992.609070][ T10] netlink_unicast+0x449/0x710 [ 4992.609070][ T10] netlink_sendmsg+0x723/0xbe0 [ 4992.609070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4992.609070][ T10] ___sys_sendmsg+0xee/0x170 [ 4992.609070][ T10] __sys_sendmsg+0xcd/0x170 [ 4992.609070][ T10] do_syscall_64+0xc6/0x1e0 [ 4992.609070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.609070][ T10] [ 4992.611069][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4992.611069][ T10] netdev_get_by_index+0x5e/0x80 [ 4992.611069][ T10] fib6_nh_init+0x3d8/0x1580 [ 4992.611069][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4992.611069][ T10] ip6_route_add+0x1c/0x140 [ 4992.611069][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4992.611069][ T10] addrconf_add_dev+0xe2/0x170 [ 4992.611069][ T10] inet6_addr_add+0x12f/0xa40 [ 4992.611069][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4992.611069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.611069][ T10] netlink_rcv_skb+0x130/0x360 [ 4992.611069][ T10] netlink_unicast+0x449/0x710 [ 4992.611069][ T10] netlink_sendmsg+0x723/0xbe0 [ 4992.611069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4992.611069][ T10] ___sys_sendmsg+0xee/0x170 [ 4992.611069][ T10] __sys_sendmsg+0xcd/0x170 [ 4992.611069][ T10] do_syscall_64+0xc6/0x1e0 [ 4992.611069][ T10] [ 4992.613053][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4992.613053][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4992.613053][ T10] ipv6_find_idev+0x102/0x170 [ 4992.613053][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4992.613053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.613053][ T10] netlink_rcv_skb+0x130/0x360 [ 4992.613053][ T10] netlink_unicast+0x449/0x710 [ 4992.613053][ T10] netlink_sendmsg+0x723/0xbe0 [ 4992.613053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4992.613053][ T10] ___sys_sendmsg+0xee/0x170 [ 4992.613053][ T10] __sys_sendmsg+0xcd/0x170 [ 4992.613053][ T10] do_syscall_64+0xc6/0x1e0 [ 4992.613053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.613053][ T10] [ 4992.614606][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 4992.614606][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4992.614606][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4992.614606][ T10] ipv6_find_idev+0x102/0x170 [ 4992.614606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4992.614606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.614606][ T10] netlink_rcv_skb+0x130/0x360 [ 4992.614606][ T10] netlink_unicast+0x449/0x710 [ 4992.614606][ T10] netlink_sendmsg+0x723/0xbe0 [ 4992.614606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4992.614606][ T10] ___sys_sendmsg+0xee/0x170 [ 4992.614606][ T10] __sys_sendmsg+0xcd/0x170 [ 4992.614606][ T10] do_syscall_64+0xc6/0x1e0 [ 4992.614606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.614606][ T10] [ 4992.616298][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 4992.616543][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4992.616543][ T10] netdev_get_by_index+0x5e/0x80 [ 4992.616543][ T10] fib6_nh_init+0x3d8/0x1580 [ 4992.616543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4992.616543][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4992.616543][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4992.616543][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4992.616543][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4992.616543][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4992.616543][ T10] addrconf_dad_begin+0x310/0x670 [ 4992.616543][ T10] addrconf_dad_work+0x10b/0xab0 [ 4992.616543][ T10] process_one_work+0x84d/0x18a0 [ 4992.616543][ T10] worker_thread+0x587/0xd30 [ 4992.616543][ T10] kthread+0x28a/0x350 [ 4992.616543][ T10] ret_from_fork+0x31/0x70 [ 4992.616543][ T10] ret_from_fork_asm+0x1a/0x30 [ 4992.616543][ T10] [ 4992.618484][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4992.618484][ T10] netdev_get_by_index+0x5e/0x80 [ 4992.618484][ T10] fib6_nh_init+0x3d8/0x1580 [ 4992.618484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4992.618484][ T10] ip6_route_add+0x1c/0x140 [ 4992.618484][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4992.618484][ T10] inet6_addr_add+0x4f8/0xa40 [ 4992.618484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4992.618484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.618484][ T10] netlink_rcv_skb+0x130/0x360 [ 4992.618484][ T10] netlink_unicast+0x449/0x710 [ 4992.618484][ T10] netlink_sendmsg+0x723/0xbe0 [ 4992.618484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4992.618484][ T10] ___sys_sendmsg+0xee/0x170 [ 4992.618484][ T10] __sys_sendmsg+0xcd/0x170 [ 4992.618484][ T10] do_syscall_64+0xc6/0x1e0 [ 4992.618484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.618484][ T10] [ 4992.620666][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4992.620666][ T10] netdev_get_by_index+0x5e/0x80 [ 4992.620666][ T10] fib6_nh_init+0x3d8/0x1580 [ 4992.620666][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4992.620666][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4992.620666][ T10] ipv6_add_addr+0x411/0x2000 [ 4992.620666][ T10] inet6_addr_add+0x30e/0xa40 [ 4992.620666][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4992.620666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.620666][ T10] netlink_rcv_skb+0x130/0x360 [ 4992.620666][ T10] netlink_unicast+0x449/0x710 [ 4992.620666][ T10] netlink_sendmsg+0x723/0xbe0 [ 4992.620666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4992.620666][ T10] ___sys_sendmsg+0xee/0x170 [ 4992.620666][ T10] __sys_sendmsg+0xcd/0x170 [ 4992.620666][ T10] do_syscall_64+0xc6/0x1e0 [ 4992.620666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.620666][ T10] [ 4992.622967][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4992.622967][ T10] netdev_get_by_index+0x5e/0x80 [ 4992.622967][ T10] fib6_nh_init+0x3d8/0x1580 [ 4992.622967][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4992.622967][ T10] ip6_route_add+0x1c/0x140 [ 4992.622967][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4992.622967][ T10] addrconf_add_dev+0xe2/0x170 [ 4992.622967][ T10] inet6_addr_add+0x12f/0xa40 [ 4992.622967][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4992.622967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.622967][ T10] netlink_rcv_skb+0x130/0x360 [ 4992.622967][ T10] netlink_unicast+0x449/0x710 [ 4992.622967][ T10] netlink_sendmsg+0x723/0xbe0 [ 4992.622967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4992.622967][ T10] ___sys_sendmsg+0xee/0x170 [ 4992.622967][ T10] __sys_sendmsg+0xcd/0x170 [ 4992.622967][ T10] do_syscall_64+0xc6/0x1e0 [ 4992.622967][ T10] [ 4992.625207][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4992.625207][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4992.625207][ T10] ipv6_find_idev+0x102/0x170 [ 4992.625207][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4992.625207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.625207][ T10] netlink_rcv_skb+0x130/0x360 [ 4992.625207][ T10] netlink_unicast+0x449/0x710 [ 4992.625207][ T10] netlink_sendmsg+0x723/0xbe0 [ 4992.625207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4992.625207][ T10] ___sys_sendmsg+0xee/0x170 [ 4992.625207][ T10] __sys_sendmsg+0xcd/0x170 [ 4992.625207][ T10] do_syscall_64+0xc6/0x1e0 [ 4992.625207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.625207][ T10] [ 4992.626833][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 4992.626833][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4992.626833][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4992.626833][ T10] ipv6_find_idev+0x102/0x170 [ 4992.626833][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4992.626833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.626833][ T10] netlink_rcv_skb+0x130/0x360 [ 4992.626833][ T10] netlink_unicast+0x449/0x710 [ 4992.626833][ T10] netlink_sendmsg+0x723/0xbe0 [ 4992.626833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4992.626833][ T10] ___sys_sendmsg+0xee/0x170 [ 4992.626833][ T10] __sys_sendmsg+0xcd/0x170 [ 4992.626833][ T10] do_syscall_64+0xc6/0x1e0 [ 4992.626833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.626833][ T10] [ 4992.628610][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 4992.628850][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4992.628850][ T10] netdev_get_by_index+0x5e/0x80 [ 4992.628850][ T10] fib6_nh_init+0x3d8/0x1580 [ 4992.628850][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4992.628850][ T10] addrconf_f6i_alloc+0x265/0x560 [ 4992.628850][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4992.628850][ T10] addrconf_join_anycast+0x1c0/0x220 [ 4992.628850][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4992.628850][ T10] addrconf_dad_completed+0x12b/0xe20 [ 4992.628850][ T10] addrconf_dad_begin+0x310/0x670 [ 4992.628850][ T10] addrconf_dad_work+0x10b/0xab0 [ 4992.628850][ T10] process_one_work+0x84d/0x18a0 [ 4992.628850][ T10] worker_thread+0x587/0xd30 [ 4992.628850][ T10] kthread+0x28a/0x350 [ 4992.628850][ T10] ret_from_fork+0x31/0x70 [ 4992.628850][ T10] ret_from_fork_asm+0x1a/0x30 [ 4992.628850][ T10] [ 4992.631006][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4992.631006][ T10] netdev_get_by_index+0x5e/0x80 [ 4992.631006][ T10] fib6_nh_init+0x3d8/0x1580 [ 4992.631006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4992.631006][ T10] ip6_route_add+0x1c/0x140 [ 4992.631006][ T10] addrconf_prefix_route+0x2a6/0x430 [ 4992.631006][ T10] inet6_addr_add+0x4f8/0xa40 [ 4992.631006][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4992.631006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.631006][ T10] netlink_rcv_skb+0x130/0x360 [ 4992.631006][ T10] netlink_unicast+0x449/0x710 [ 4992.631006][ T10] netlink_sendmsg+0x723/0xbe0 [ 4992.631006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4992.631006][ T10] ___sys_sendmsg+0xee/0x170 [ 4992.631006][ T10] __sys_sendmsg+0xcd/0x170 [ 4992.631006][ T10] do_syscall_64+0xc6/0x1e0 [ 4992.631006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.631006][ T10] [ 4992.633168][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4992.633168][ T10] netdev_get_by_index+0x5e/0x80 [ 4992.633168][ T10] fib6_nh_init+0x3d8/0x1580 [ 4992.633168][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4992.633168][ T10] addrconf_f6i_alloc+0x315/0x560 [ 4992.633168][ T10] ipv6_add_addr+0x411/0x2000 [ 4992.633168][ T10] inet6_addr_add+0x30e/0xa40 [ 4992.633168][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4992.633168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.633168][ T10] netlink_rcv_skb+0x130/0x360 [ 4992.633168][ T10] netlink_unicast+0x449/0x710 [ 4992.633168][ T10] netlink_sendmsg+0x723/0xbe0 [ 4992.633168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4992.633168][ T10] ___sys_sendmsg+0xee/0x170 [ 4992.633168][ T10] __sys_sendmsg+0xcd/0x170 [ 4992.633168][ T10] do_syscall_64+0xc6/0x1e0 [ 4992.633168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.633168][ T10] [ 4992.635269][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4992.635269][ T10] netdev_get_by_index+0x5e/0x80 [ 4992.635269][ T10] fib6_nh_init+0x3d8/0x1580 [ 4992.635269][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4992.635269][ T10] ip6_route_add+0x1c/0x140 [ 4992.635269][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 4992.635269][ T10] addrconf_add_dev+0xe2/0x170 [ 4992.635269][ T10] inet6_addr_add+0x12f/0xa40 [ 4992.635269][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4992.635269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.635269][ T10] netlink_rcv_skb+0x130/0x360 [ 4992.635269][ T10] netlink_unicast+0x449/0x710 [ 4992.635269][ T10] netlink_sendmsg+0x723/0xbe0 [ 4992.635269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4992.635269][ T10] ___sys_sendmsg+0xee/0x170 [ 4992.635269][ T10] __sys_sendmsg+0xcd/0x170 [ 4992.635269][ T10] do_syscall_64+0xc6/0x1e0 [ 4992.635269][ T10] [ 4992.637925][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4992.637925][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4992.637925][ T10] ipv6_find_idev+0x102/0x170 [ 4992.637925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4992.637925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.637925][ T10] netlink_rcv_skb+0x130/0x360 [ 4992.637925][ T10] netlink_unicast+0x449/0x710 [ 4992.637925][ T10] netlink_sendmsg+0x723/0xbe0 [ 4992.637925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4992.637925][ T10] ___sys_sendmsg+0xee/0x170 [ 4992.637925][ T10] __sys_sendmsg+0xcd/0x170 [ 4992.637925][ T10] do_syscall_64+0xc6/0x1e0 [ 4992.637925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.637925][ T10] [ 4992.639552][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 4992.639552][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4992.639552][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4992.639552][ T10] ipv6_find_idev+0x102/0x170 [ 4992.639552][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4992.639552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.639552][ T10] netlink_rcv_skb+0x130/0x360 [ 4992.639552][ T10] netlink_unicast+0x449/0x710 [ 4992.639552][ T10] netlink_sendmsg+0x723/0xbe0 [ 4992.639552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4992.639552][ T10] ___sys_sendmsg+0xee/0x170 [ 4992.639552][ T10] __sys_sendmsg+0xcd/0x170 [ 4992.639552][ T10] do_syscall_64+0xc6/0x1e0 [ 4992.639552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.639552][ T10] [ 4996.137123][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 4996.137613][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4996.137613][ T1167] dst_init+0x84/0x4a0 [ 4996.137613][ T1167] dst_alloc+0x97/0x150 [ 4996.137613][ T1167] ip6_dst_alloc+0x23/0x90 [ 4996.137613][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4996.137613][ T1167] ip6_pol_route+0x56f/0x840 [ 4996.137613][ T1167] fib6_rule_lookup+0x334/0x630 [ 4996.137613][ T1167] ip6_route_output_flags+0x259/0x480 [ 4996.137613][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 4996.137613][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 4996.137613][ T1167] netlink_rcv_skb+0x130/0x360 [ 4996.137613][ T1167] netlink_unicast+0x449/0x710 [ 4996.137613][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4996.137613][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4996.137613][ T1167] ___sys_sendmsg+0xee/0x170 [ 4996.137613][ T1167] __sys_sendmsg+0xcd/0x170 [ 4996.137613][ T1167] do_syscall_64+0xc6/0x1e0 [ 4996.137613][ T1167] [ 4996.139819][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4996.139819][ T1167] netdev_get_by_index+0x5e/0x80 [ 4996.139819][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4996.139819][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4996.139819][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 4996.139819][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4996.139819][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 4996.139819][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4996.139819][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 4996.139819][ T1167] addrconf_dad_begin+0x310/0x670 [ 4996.139819][ T1167] addrconf_dad_work+0x10b/0xab0 [ 4996.139819][ T1167] process_one_work+0x84d/0x18a0 [ 4996.139819][ T1167] worker_thread+0x587/0xd30 [ 4996.139819][ T1167] kthread+0x28a/0x350 [ 4996.139819][ T1167] ret_from_fork+0x31/0x70 [ 4996.139819][ T1167] ret_from_fork_asm+0x1a/0x30 [ 4996.139819][ T1167] [ 4996.141988][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4996.141988][ T1167] netdev_get_by_index+0x5e/0x80 [ 4996.141988][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4996.141988][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4996.141988][ T1167] ip6_route_add+0x1c/0x140 [ 4996.141988][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 4996.141988][ T1167] inet6_addr_add+0x4f8/0xa40 [ 4996.141988][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4996.141988][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4996.141988][ T1167] netlink_rcv_skb+0x130/0x360 [ 4996.141988][ T1167] netlink_unicast+0x449/0x710 [ 4996.141988][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4996.141988][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4996.141988][ T1167] ___sys_sendmsg+0xee/0x170 [ 4996.141988][ T1167] __sys_sendmsg+0xcd/0x170 [ 4996.141988][ T1167] do_syscall_64+0xc6/0x1e0 [ 4996.141988][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4996.141988][ T1167] [ 4996.144236][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4996.144236][ T1167] netdev_get_by_index+0x5e/0x80 [ 4996.144236][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4996.144236][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4996.144236][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 4996.144236][ T1167] ipv6_add_addr+0x411/0x2000 [ 4996.144236][ T1167] inet6_addr_add+0x30e/0xa40 [ 4996.144236][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4996.144236][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4996.144236][ T1167] netlink_rcv_skb+0x130/0x360 [ 4996.144236][ T1167] netlink_unicast+0x449/0x710 [ 4996.144236][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4996.144236][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4996.144236][ T1167] ___sys_sendmsg+0xee/0x170 [ 4996.144236][ T1167] __sys_sendmsg+0xcd/0x170 [ 4996.144236][ T1167] do_syscall_64+0xc6/0x1e0 [ 4996.144236][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4996.144236][ T1167] [ 4996.146506][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4996.146506][ T1167] netdev_get_by_index+0x5e/0x80 [ 4996.146506][ T1167] fib6_nh_init+0x3d8/0x1580 [ 4996.146506][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 4996.146506][ T1167] ip6_route_add+0x1c/0x140 [ 4996.146506][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 4996.146506][ T1167] addrconf_add_dev+0xe2/0x170 [ 4996.146506][ T1167] inet6_addr_add+0x12f/0xa40 [ 4996.146506][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 4996.146506][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4996.146506][ T1167] netlink_rcv_skb+0x130/0x360 [ 4996.146506][ T1167] netlink_unicast+0x449/0x710 [ 4996.146506][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4996.146506][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4996.146506][ T1167] ___sys_sendmsg+0xee/0x170 [ 4996.146506][ T1167] __sys_sendmsg+0xcd/0x170 [ 4996.146506][ T1167] do_syscall_64+0xc6/0x1e0 [ 4996.146506][ T1167] [ 4996.148706][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4996.148706][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 4996.148706][ T1167] ipv6_find_idev+0x102/0x170 [ 4996.148706][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4996.148706][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4996.148706][ T1167] netlink_rcv_skb+0x130/0x360 [ 4996.148706][ T1167] netlink_unicast+0x449/0x710 [ 4996.148706][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4996.148706][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4996.148706][ T1167] ___sys_sendmsg+0xee/0x170 [ 4996.148706][ T1167] __sys_sendmsg+0xcd/0x170 [ 4996.148706][ T1167] do_syscall_64+0xc6/0x1e0 [ 4996.148706][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4996.148706][ T1167] [ 4996.150449][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 4996.150449][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 4996.150449][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 4996.150449][ T1167] ipv6_find_idev+0x102/0x170 [ 4996.150449][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 4996.150449][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4996.150449][ T1167] netlink_rcv_skb+0x130/0x360 [ 4996.150449][ T1167] netlink_unicast+0x449/0x710 [ 4996.150449][ T1167] netlink_sendmsg+0x723/0xbe0 [ 4996.150449][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 4996.150449][ T1167] ___sys_sendmsg+0xee/0x170 [ 4996.150449][ T1167] __sys_sendmsg+0xcd/0x170 [ 4996.150449][ T1167] do_syscall_64+0xc6/0x1e0 [ 4996.150449][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4996.150449][ T1167] [ 5002.881109][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5002.881472][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5002.881472][ T10] netdev_get_by_index+0x5e/0x80 [ 5002.881472][ T10] fib6_nh_init+0x3d8/0x1580 [ 5002.881472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5002.881472][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5002.881472][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5002.881472][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5002.881472][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5002.881472][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5002.881472][ T10] addrconf_dad_begin+0x310/0x670 [ 5002.881472][ T10] addrconf_dad_work+0x10b/0xab0 [ 5002.881472][ T10] process_one_work+0x84d/0x18a0 [ 5002.881472][ T10] worker_thread+0x587/0xd30 [ 5002.881472][ T10] kthread+0x28a/0x350 [ 5002.881472][ T10] ret_from_fork+0x31/0x70 [ 5002.881472][ T10] ret_from_fork_asm+0x1a/0x30 [ 5002.881472][ T10] [ 5002.883426][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5002.883426][ T10] netdev_get_by_index+0x5e/0x80 [ 5002.883426][ T10] fib6_nh_init+0x3d8/0x1580 [ 5002.883426][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5002.883426][ T10] ip6_route_add+0x1c/0x140 [ 5002.883426][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5002.883426][ T10] inet6_addr_add+0x4f8/0xa40 [ 5002.883426][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5002.883426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.883426][ T10] netlink_rcv_skb+0x130/0x360 [ 5002.883426][ T10] netlink_unicast+0x449/0x710 [ 5002.883426][ T10] netlink_sendmsg+0x723/0xbe0 [ 5002.883426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5002.883426][ T10] ___sys_sendmsg+0xee/0x170 [ 5002.883426][ T10] __sys_sendmsg+0xcd/0x170 [ 5002.883426][ T10] do_syscall_64+0xc6/0x1e0 [ 5002.883426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.883426][ T10] [ 5002.885457][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5002.885457][ T10] netdev_get_by_index+0x5e/0x80 [ 5002.885457][ T10] fib6_nh_init+0x3d8/0x1580 [ 5002.885457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5002.885457][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5002.885457][ T10] ipv6_add_addr+0x411/0x2000 [ 5002.885457][ T10] inet6_addr_add+0x30e/0xa40 [ 5002.885457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5002.885457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.885457][ T10] netlink_rcv_skb+0x130/0x360 [ 5002.885457][ T10] netlink_unicast+0x449/0x710 [ 5002.885457][ T10] netlink_sendmsg+0x723/0xbe0 [ 5002.885457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5002.885457][ T10] ___sys_sendmsg+0xee/0x170 [ 5002.885457][ T10] __sys_sendmsg+0xcd/0x170 [ 5002.885457][ T10] do_syscall_64+0xc6/0x1e0 [ 5002.885457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.885457][ T10] [ 5002.887470][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5002.887470][ T10] netdev_get_by_index+0x5e/0x80 [ 5002.887470][ T10] fib6_nh_init+0x3d8/0x1580 [ 5002.887470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5002.887470][ T10] ip6_route_add+0x1c/0x140 [ 5002.887470][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5002.887470][ T10] addrconf_add_dev+0xe2/0x170 [ 5002.887470][ T10] inet6_addr_add+0x12f/0xa40 [ 5002.887470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5002.887470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.887470][ T10] netlink_rcv_skb+0x130/0x360 [ 5002.887470][ T10] netlink_unicast+0x449/0x710 [ 5002.887470][ T10] netlink_sendmsg+0x723/0xbe0 [ 5002.887470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5002.887470][ T10] ___sys_sendmsg+0xee/0x170 [ 5002.887470][ T10] __sys_sendmsg+0xcd/0x170 [ 5002.887470][ T10] do_syscall_64+0xc6/0x1e0 [ 5002.887470][ T10] [ 5002.889447][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5002.889447][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5002.889447][ T10] ipv6_find_idev+0x102/0x170 [ 5002.889447][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5002.889447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.889447][ T10] netlink_rcv_skb+0x130/0x360 [ 5002.889447][ T10] netlink_unicast+0x449/0x710 [ 5002.889447][ T10] netlink_sendmsg+0x723/0xbe0 [ 5002.889447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5002.889447][ T10] ___sys_sendmsg+0xee/0x170 [ 5002.889447][ T10] __sys_sendmsg+0xcd/0x170 [ 5002.889447][ T10] do_syscall_64+0xc6/0x1e0 [ 5002.889447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.889447][ T10] [ 5002.890998][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5002.890998][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5002.890998][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5002.890998][ T10] ipv6_find_idev+0x102/0x170 [ 5002.890998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5002.890998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.890998][ T10] netlink_rcv_skb+0x130/0x360 [ 5002.890998][ T10] netlink_unicast+0x449/0x710 [ 5002.890998][ T10] netlink_sendmsg+0x723/0xbe0 [ 5002.890998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5002.890998][ T10] ___sys_sendmsg+0xee/0x170 [ 5002.890998][ T10] __sys_sendmsg+0xcd/0x170 [ 5002.890998][ T10] do_syscall_64+0xc6/0x1e0 [ 5002.890998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.890998][ T10] [ 5002.892704][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5002.892955][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5002.892955][ T10] netdev_get_by_index+0x5e/0x80 [ 5002.892955][ T10] fib6_nh_init+0x3d8/0x1580 [ 5002.892955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5002.892955][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5002.892955][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5002.892955][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5002.892955][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5002.892955][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5002.892955][ T10] addrconf_dad_begin+0x310/0x670 [ 5002.892955][ T10] addrconf_dad_work+0x10b/0xab0 [ 5002.892955][ T10] process_one_work+0x84d/0x18a0 [ 5002.892955][ T10] worker_thread+0x587/0xd30 [ 5002.892955][ T10] kthread+0x28a/0x350 [ 5002.892955][ T10] ret_from_fork+0x31/0x70 [ 5002.892955][ T10] ret_from_fork_asm+0x1a/0x30 [ 5002.892955][ T10] [ 5002.894899][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5002.894899][ T10] netdev_get_by_index+0x5e/0x80 [ 5002.894899][ T10] fib6_nh_init+0x3d8/0x1580 [ 5002.894899][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5002.894899][ T10] ip6_route_add+0x1c/0x140 [ 5002.894899][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5002.894899][ T10] inet6_addr_add+0x4f8/0xa40 [ 5002.894899][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5002.894899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.894899][ T10] netlink_rcv_skb+0x130/0x360 [ 5002.894899][ T10] netlink_unicast+0x449/0x710 [ 5002.894899][ T10] netlink_sendmsg+0x723/0xbe0 [ 5002.894899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5002.894899][ T10] ___sys_sendmsg+0xee/0x170 [ 5002.894899][ T10] __sys_sendmsg+0xcd/0x170 [ 5002.894899][ T10] do_syscall_64+0xc6/0x1e0 [ 5002.894899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.894899][ T10] [ 5002.896910][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5002.896910][ T10] netdev_get_by_index+0x5e/0x80 [ 5002.896910][ T10] fib6_nh_init+0x3d8/0x1580 [ 5002.896910][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5002.896910][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5002.896910][ T10] ipv6_add_addr+0x411/0x2000 [ 5002.896910][ T10] inet6_addr_add+0x30e/0xa40 [ 5002.896910][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5002.896910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.896910][ T10] netlink_rcv_skb+0x130/0x360 [ 5002.896910][ T10] netlink_unicast+0x449/0x710 [ 5002.896910][ T10] netlink_sendmsg+0x723/0xbe0 [ 5002.896910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5002.896910][ T10] ___sys_sendmsg+0xee/0x170 [ 5002.896910][ T10] __sys_sendmsg+0xcd/0x170 [ 5002.896910][ T10] do_syscall_64+0xc6/0x1e0 [ 5002.896910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.896910][ T10] [ 5002.898924][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5002.898924][ T10] netdev_get_by_index+0x5e/0x80 [ 5002.898924][ T10] fib6_nh_init+0x3d8/0x1580 [ 5002.898924][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5002.898924][ T10] ip6_route_add+0x1c/0x140 [ 5002.898924][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5002.898924][ T10] addrconf_add_dev+0xe2/0x170 [ 5002.898924][ T10] inet6_addr_add+0x12f/0xa40 [ 5002.898924][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5002.898924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.898924][ T10] netlink_rcv_skb+0x130/0x360 [ 5002.898924][ T10] netlink_unicast+0x449/0x710 [ 5002.898924][ T10] netlink_sendmsg+0x723/0xbe0 [ 5002.898924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5002.898924][ T10] ___sys_sendmsg+0xee/0x170 [ 5002.898924][ T10] __sys_sendmsg+0xcd/0x170 [ 5002.898924][ T10] do_syscall_64+0xc6/0x1e0 [ 5002.898924][ T10] [ 5002.973931][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5002.973931][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5002.973931][ T10] ipv6_find_idev+0x102/0x170 [ 5002.973931][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5002.973931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.973931][ T10] netlink_rcv_skb+0x130/0x360 [ 5002.973931][ T10] netlink_unicast+0x449/0x710 [ 5002.973931][ T10] netlink_sendmsg+0x723/0xbe0 [ 5002.973931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5002.973931][ T10] ___sys_sendmsg+0xee/0x170 [ 5002.973931][ T10] __sys_sendmsg+0xcd/0x170 [ 5002.973931][ T10] do_syscall_64+0xc6/0x1e0 [ 5002.973931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.973931][ T10] [ 5002.975514][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5002.975514][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5002.975514][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5002.975514][ T10] ipv6_find_idev+0x102/0x170 [ 5002.975514][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5002.975514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.975514][ T10] netlink_rcv_skb+0x130/0x360 [ 5002.975514][ T10] netlink_unicast+0x449/0x710 [ 5002.975514][ T10] netlink_sendmsg+0x723/0xbe0 [ 5002.975514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5002.975514][ T10] ___sys_sendmsg+0xee/0x170 [ 5002.975514][ T10] __sys_sendmsg+0xcd/0x170 [ 5002.975514][ T10] do_syscall_64+0xc6/0x1e0 [ 5002.975514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.975514][ T10] [ 5002.977244][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5002.977495][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5002.977495][ T10] netdev_get_by_index+0x5e/0x80 [ 5002.977495][ T10] fib6_nh_init+0x3d8/0x1580 [ 5002.977495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5002.977495][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5002.977495][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5002.977495][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5002.977495][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5002.977495][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5002.977495][ T10] addrconf_dad_begin+0x310/0x670 [ 5002.977495][ T10] addrconf_dad_work+0x10b/0xab0 [ 5002.977495][ T10] process_one_work+0x84d/0x18a0 [ 5002.977495][ T10] worker_thread+0x587/0xd30 [ 5002.977495][ T10] kthread+0x28a/0x350 [ 5002.977495][ T10] ret_from_fork+0x31/0x70 [ 5002.977495][ T10] ret_from_fork_asm+0x1a/0x30 [ 5002.977495][ T10] [ 5002.979432][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5002.979432][ T10] netdev_get_by_index+0x5e/0x80 [ 5002.979432][ T10] fib6_nh_init+0x3d8/0x1580 [ 5002.979432][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5002.979432][ T10] ip6_route_add+0x1c/0x140 [ 5002.979432][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5002.979432][ T10] inet6_addr_add+0x4f8/0xa40 [ 5002.979432][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5002.979432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.979432][ T10] netlink_rcv_skb+0x130/0x360 [ 5002.979432][ T10] netlink_unicast+0x449/0x710 [ 5002.979432][ T10] netlink_sendmsg+0x723/0xbe0 [ 5002.979432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5002.979432][ T10] ___sys_sendmsg+0xee/0x170 [ 5002.979432][ T10] __sys_sendmsg+0xcd/0x170 [ 5002.979432][ T10] do_syscall_64+0xc6/0x1e0 [ 5002.979432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.979432][ T10] [ 5002.981572][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5002.981572][ T10] netdev_get_by_index+0x5e/0x80 [ 5002.981572][ T10] fib6_nh_init+0x3d8/0x1580 [ 5002.981572][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5002.981572][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5002.981572][ T10] ipv6_add_addr+0x411/0x2000 [ 5002.981572][ T10] inet6_addr_add+0x30e/0xa40 [ 5002.981572][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5002.981572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.981572][ T10] netlink_rcv_skb+0x130/0x360 [ 5002.981572][ T10] netlink_unicast+0x449/0x710 [ 5002.981572][ T10] netlink_sendmsg+0x723/0xbe0 [ 5002.981572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5002.981572][ T10] ___sys_sendmsg+0xee/0x170 [ 5002.981572][ T10] __sys_sendmsg+0xcd/0x170 [ 5002.981572][ T10] do_syscall_64+0xc6/0x1e0 [ 5002.981572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.981572][ T10] [ 5002.983735][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5002.983735][ T10] netdev_get_by_index+0x5e/0x80 [ 5002.983735][ T10] fib6_nh_init+0x3d8/0x1580 [ 5002.983735][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5002.983735][ T10] ip6_route_add+0x1c/0x140 [ 5002.983735][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5002.983735][ T10] addrconf_add_dev+0xe2/0x170 [ 5002.983735][ T10] inet6_addr_add+0x12f/0xa40 [ 5002.983735][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5002.983735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.983735][ T10] netlink_rcv_skb+0x130/0x360 [ 5002.983735][ T10] netlink_unicast+0x449/0x710 [ 5002.983735][ T10] netlink_sendmsg+0x723/0xbe0 [ 5002.983735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5002.983735][ T10] ___sys_sendmsg+0xee/0x170 [ 5002.983735][ T10] __sys_sendmsg+0xcd/0x170 [ 5002.983735][ T10] do_syscall_64+0xc6/0x1e0 [ 5002.983735][ T10] [ 5002.985856][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5002.985856][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5002.985856][ T10] ipv6_find_idev+0x102/0x170 [ 5002.985856][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5002.985856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.985856][ T10] netlink_rcv_skb+0x130/0x360 [ 5002.985856][ T10] netlink_unicast+0x449/0x710 [ 5002.985856][ T10] netlink_sendmsg+0x723/0xbe0 [ 5002.985856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5002.985856][ T10] ___sys_sendmsg+0xee/0x170 [ 5002.985856][ T10] __sys_sendmsg+0xcd/0x170 [ 5002.985856][ T10] do_syscall_64+0xc6/0x1e0 [ 5002.985856][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.985856][ T10] [ 5002.987549][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5002.987549][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5002.987549][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5002.987549][ T10] ipv6_find_idev+0x102/0x170 [ 5002.987549][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5002.987549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.987549][ T10] netlink_rcv_skb+0x130/0x360 [ 5002.987549][ T10] netlink_unicast+0x449/0x710 [ 5002.987549][ T10] netlink_sendmsg+0x723/0xbe0 [ 5002.987549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5002.987549][ T10] ___sys_sendmsg+0xee/0x170 [ 5002.987549][ T10] __sys_sendmsg+0xcd/0x170 [ 5002.987549][ T10] do_syscall_64+0xc6/0x1e0 [ 5002.987549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.987549][ T10] [ 5002.989319][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5002.989558][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5002.989558][ T10] netdev_get_by_index+0x5e/0x80 [ 5002.989558][ T10] fib6_nh_init+0x3d8/0x1580 [ 5002.989558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5002.989558][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5002.989558][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5002.989558][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5002.989558][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5002.989558][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5002.989558][ T10] addrconf_dad_begin+0x310/0x670 [ 5002.989558][ T10] addrconf_dad_work+0x10b/0xab0 [ 5002.989558][ T10] process_one_work+0x84d/0x18a0 [ 5002.989558][ T10] worker_thread+0x587/0xd30 [ 5002.989558][ T10] kthread+0x28a/0x350 [ 5002.989558][ T10] ret_from_fork+0x31/0x70 [ 5002.989558][ T10] ret_from_fork_asm+0x1a/0x30 [ 5002.989558][ T10] [ 5002.991632][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5002.991632][ T10] netdev_get_by_index+0x5e/0x80 [ 5002.991632][ T10] fib6_nh_init+0x3d8/0x1580 [ 5002.991632][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5002.991632][ T10] ip6_route_add+0x1c/0x140 [ 5002.991632][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5002.991632][ T10] inet6_addr_add+0x4f8/0xa40 [ 5002.991632][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5002.991632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.991632][ T10] netlink_rcv_skb+0x130/0x360 [ 5002.991632][ T10] netlink_unicast+0x449/0x710 [ 5002.991632][ T10] netlink_sendmsg+0x723/0xbe0 [ 5002.991632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5002.991632][ T10] ___sys_sendmsg+0xee/0x170 [ 5002.991632][ T10] __sys_sendmsg+0xcd/0x170 [ 5002.991632][ T10] do_syscall_64+0xc6/0x1e0 [ 5002.991632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.991632][ T10] [ 5002.993788][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5002.993788][ T10] netdev_get_by_index+0x5e/0x80 [ 5002.993788][ T10] fib6_nh_init+0x3d8/0x1580 [ 5002.993788][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5002.993788][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5002.993788][ T10] ipv6_add_addr+0x411/0x2000 [ 5002.993788][ T10] inet6_addr_add+0x30e/0xa40 [ 5002.993788][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5002.993788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.993788][ T10] netlink_rcv_skb+0x130/0x360 [ 5002.993788][ T10] netlink_unicast+0x449/0x710 [ 5002.993788][ T10] netlink_sendmsg+0x723/0xbe0 [ 5002.993788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5002.993788][ T10] ___sys_sendmsg+0xee/0x170 [ 5002.993788][ T10] __sys_sendmsg+0xcd/0x170 [ 5002.993788][ T10] do_syscall_64+0xc6/0x1e0 [ 5002.993788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.993788][ T10] [ 5002.995973][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5002.995973][ T10] netdev_get_by_index+0x5e/0x80 [ 5002.995973][ T10] fib6_nh_init+0x3d8/0x1580 [ 5002.995973][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5002.995973][ T10] ip6_route_add+0x1c/0x140 [ 5002.995973][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5002.995973][ T10] addrconf_add_dev+0xe2/0x170 [ 5002.995973][ T10] inet6_addr_add+0x12f/0xa40 [ 5002.995973][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5002.995973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.995973][ T10] netlink_rcv_skb+0x130/0x360 [ 5002.995973][ T10] netlink_unicast+0x449/0x710 [ 5002.995973][ T10] netlink_sendmsg+0x723/0xbe0 [ 5002.995973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5002.995973][ T10] ___sys_sendmsg+0xee/0x170 [ 5002.995973][ T10] __sys_sendmsg+0xcd/0x170 [ 5002.995973][ T10] do_syscall_64+0xc6/0x1e0 [ 5002.995973][ T10] [ 5002.998079][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5002.998079][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5002.998079][ T10] ipv6_find_idev+0x102/0x170 [ 5002.998079][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5002.998079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.998079][ T10] netlink_rcv_skb+0x130/0x360 [ 5002.998079][ T10] netlink_unicast+0x449/0x710 [ 5002.998079][ T10] netlink_sendmsg+0x723/0xbe0 [ 5002.998079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5002.998079][ T10] ___sys_sendmsg+0xee/0x170 [ 5002.998079][ T10] __sys_sendmsg+0xcd/0x170 [ 5002.998079][ T10] do_syscall_64+0xc6/0x1e0 [ 5002.998079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.998079][ T10] [ 5002.999712][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5002.999712][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5002.999712][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5002.999712][ T10] ipv6_find_idev+0x102/0x170 [ 5002.999712][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5002.999712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.999712][ T10] netlink_rcv_skb+0x130/0x360 [ 5002.999712][ T10] netlink_unicast+0x449/0x710 [ 5002.999712][ T10] netlink_sendmsg+0x723/0xbe0 [ 5002.999712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5002.999712][ T10] ___sys_sendmsg+0xee/0x170 [ 5002.999712][ T10] __sys_sendmsg+0xcd/0x170 [ 5002.999712][ T10] do_syscall_64+0xc6/0x1e0 [ 5002.999712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.999712][ T10] [ 5006.393103][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5006.393575][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5006.393575][ T1167] dst_init+0x84/0x4a0 [ 5006.393575][ T1167] dst_alloc+0x97/0x150 [ 5006.393575][ T1167] ip6_dst_alloc+0x23/0x90 [ 5006.393575][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5006.393575][ T1167] ip6_pol_route+0x56f/0x840 [ 5006.393575][ T1167] fib6_rule_lookup+0x334/0x630 [ 5006.393575][ T1167] ip6_route_output_flags+0x259/0x480 [ 5006.393575][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5006.393575][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5006.393575][ T1167] netlink_rcv_skb+0x130/0x360 [ 5006.393575][ T1167] netlink_unicast+0x449/0x710 [ 5006.393575][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5006.393575][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5006.393575][ T1167] ___sys_sendmsg+0xee/0x170 [ 5006.393575][ T1167] __sys_sendmsg+0xcd/0x170 [ 5006.393575][ T1167] do_syscall_64+0xc6/0x1e0 [ 5006.393575][ T1167] [ 5006.395848][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5006.395848][ T1167] netdev_get_by_index+0x5e/0x80 [ 5006.395848][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5006.395848][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5006.395848][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5006.395848][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5006.395848][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5006.395848][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5006.395848][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5006.395848][ T1167] addrconf_dad_begin+0x310/0x670 [ 5006.395848][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5006.395848][ T1167] process_one_work+0x84d/0x18a0 [ 5006.395848][ T1167] worker_thread+0x587/0xd30 [ 5006.395848][ T1167] kthread+0x28a/0x350 [ 5006.395848][ T1167] ret_from_fork+0x31/0x70 [ 5006.395848][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5006.395848][ T1167] [ 5006.398011][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5006.398011][ T1167] netdev_get_by_index+0x5e/0x80 [ 5006.398011][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5006.398011][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5006.398011][ T1167] ip6_route_add+0x1c/0x140 [ 5006.398011][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5006.398011][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5006.398011][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5006.398011][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5006.398011][ T1167] netlink_rcv_skb+0x130/0x360 [ 5006.398011][ T1167] netlink_unicast+0x449/0x710 [ 5006.398011][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5006.398011][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5006.398011][ T1167] ___sys_sendmsg+0xee/0x170 [ 5006.398011][ T1167] __sys_sendmsg+0xcd/0x170 [ 5006.398011][ T1167] do_syscall_64+0xc6/0x1e0 [ 5006.398011][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5006.398011][ T1167] [ 5006.400246][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5006.400246][ T1167] netdev_get_by_index+0x5e/0x80 [ 5006.400246][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5006.400246][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5006.400246][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5006.400246][ T1167] ipv6_add_addr+0x411/0x2000 [ 5006.400246][ T1167] inet6_addr_add+0x30e/0xa40 [ 5006.400246][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5006.400246][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5006.400246][ T1167] netlink_rcv_skb+0x130/0x360 [ 5006.400246][ T1167] netlink_unicast+0x449/0x710 [ 5006.400246][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5006.400246][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5006.400246][ T1167] ___sys_sendmsg+0xee/0x170 [ 5006.400246][ T1167] __sys_sendmsg+0xcd/0x170 [ 5006.400246][ T1167] do_syscall_64+0xc6/0x1e0 [ 5006.400246][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5006.400246][ T1167] [ 5006.402509][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5006.402509][ T1167] netdev_get_by_index+0x5e/0x80 [ 5006.402509][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5006.402509][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5006.402509][ T1167] ip6_route_add+0x1c/0x140 [ 5006.402509][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5006.402509][ T1167] addrconf_add_dev+0xe2/0x170 [ 5006.402509][ T1167] inet6_addr_add+0x12f/0xa40 [ 5006.402509][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5006.402509][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5006.402509][ T1167] netlink_rcv_skb+0x130/0x360 [ 5006.402509][ T1167] netlink_unicast+0x449/0x710 [ 5006.402509][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5006.402509][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5006.402509][ T1167] ___sys_sendmsg+0xee/0x170 [ 5006.402509][ T1167] __sys_sendmsg+0xcd/0x170 [ 5006.402509][ T1167] do_syscall_64+0xc6/0x1e0 [ 5006.402509][ T1167] [ 5006.404728][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5006.404728][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5006.404728][ T1167] ipv6_find_idev+0x102/0x170 [ 5006.404728][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5006.404728][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5006.404728][ T1167] netlink_rcv_skb+0x130/0x360 [ 5006.404728][ T1167] netlink_unicast+0x449/0x710 [ 5006.404728][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5006.404728][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5006.404728][ T1167] ___sys_sendmsg+0xee/0x170 [ 5006.404728][ T1167] __sys_sendmsg+0xcd/0x170 [ 5006.404728][ T1167] do_syscall_64+0xc6/0x1e0 [ 5006.404728][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5006.404728][ T1167] [ 5006.406456][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5006.406456][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5006.406456][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5006.406456][ T1167] ipv6_find_idev+0x102/0x170 [ 5006.406456][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5006.406456][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5006.406456][ T1167] netlink_rcv_skb+0x130/0x360 [ 5006.406456][ T1167] netlink_unicast+0x449/0x710 [ 5006.406456][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5006.406456][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5006.406456][ T1167] ___sys_sendmsg+0xee/0x170 [ 5006.406456][ T1167] __sys_sendmsg+0xcd/0x170 [ 5006.406456][ T1167] do_syscall_64+0xc6/0x1e0 [ 5006.406456][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5006.406456][ T1167] [ 5013.241123][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5013.241559][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5013.241559][ T10] netdev_get_by_index+0x5e/0x80 [ 5013.241559][ T10] fib6_nh_init+0x3d8/0x1580 [ 5013.241559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5013.241559][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5013.241559][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5013.241559][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5013.241559][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5013.241559][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5013.241559][ T10] addrconf_dad_begin+0x310/0x670 [ 5013.241559][ T10] addrconf_dad_work+0x10b/0xab0 [ 5013.241559][ T10] process_one_work+0x84d/0x18a0 [ 5013.241559][ T10] worker_thread+0x587/0xd30 [ 5013.241559][ T10] kthread+0x28a/0x350 [ 5013.241559][ T10] ret_from_fork+0x31/0x70 [ 5013.241559][ T10] ret_from_fork_asm+0x1a/0x30 [ 5013.241559][ T10] [ 5013.243529][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5013.243529][ T10] netdev_get_by_index+0x5e/0x80 [ 5013.243529][ T10] fib6_nh_init+0x3d8/0x1580 [ 5013.243529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5013.243529][ T10] ip6_route_add+0x1c/0x140 [ 5013.243529][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5013.243529][ T10] inet6_addr_add+0x4f8/0xa40 [ 5013.243529][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5013.243529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5013.243529][ T10] netlink_rcv_skb+0x130/0x360 [ 5013.243529][ T10] netlink_unicast+0x449/0x710 [ 5013.243529][ T10] netlink_sendmsg+0x723/0xbe0 [ 5013.243529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5013.243529][ T10] ___sys_sendmsg+0xee/0x170 [ 5013.243529][ T10] __sys_sendmsg+0xcd/0x170 [ 5013.243529][ T10] do_syscall_64+0xc6/0x1e0 [ 5013.243529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5013.243529][ T10] [ 5013.245554][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5013.245554][ T10] netdev_get_by_index+0x5e/0x80 [ 5013.245554][ T10] fib6_nh_init+0x3d8/0x1580 [ 5013.245554][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5013.245554][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5013.245554][ T10] ipv6_add_addr+0x411/0x2000 [ 5013.245554][ T10] inet6_addr_add+0x30e/0xa40 [ 5013.245554][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5013.245554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5013.245554][ T10] netlink_rcv_skb+0x130/0x360 [ 5013.245554][ T10] netlink_unicast+0x449/0x710 [ 5013.245554][ T10] netlink_sendmsg+0x723/0xbe0 [ 5013.245554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5013.245554][ T10] ___sys_sendmsg+0xee/0x170 [ 5013.245554][ T10] __sys_sendmsg+0xcd/0x170 [ 5013.245554][ T10] do_syscall_64+0xc6/0x1e0 [ 5013.245554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5013.245554][ T10] [ 5013.247563][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5013.247563][ T10] netdev_get_by_index+0x5e/0x80 [ 5013.247563][ T10] fib6_nh_init+0x3d8/0x1580 [ 5013.247563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5013.247563][ T10] ip6_route_add+0x1c/0x140 [ 5013.247563][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5013.247563][ T10] addrconf_add_dev+0xe2/0x170 [ 5013.247563][ T10] inet6_addr_add+0x12f/0xa40 [ 5013.247563][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5013.247563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5013.247563][ T10] netlink_rcv_skb+0x130/0x360 [ 5013.247563][ T10] netlink_unicast+0x449/0x710 [ 5013.247563][ T10] netlink_sendmsg+0x723/0xbe0 [ 5013.247563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5013.247563][ T10] ___sys_sendmsg+0xee/0x170 [ 5013.247563][ T10] __sys_sendmsg+0xcd/0x170 [ 5013.247563][ T10] do_syscall_64+0xc6/0x1e0 [ 5013.247563][ T10] [ 5013.249520][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5013.249520][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5013.249520][ T10] ipv6_find_idev+0x102/0x170 [ 5013.249520][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5013.249520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5013.249520][ T10] netlink_rcv_skb+0x130/0x360 [ 5013.249520][ T10] netlink_unicast+0x449/0x710 [ 5013.249520][ T10] netlink_sendmsg+0x723/0xbe0 [ 5013.249520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5013.249520][ T10] ___sys_sendmsg+0xee/0x170 [ 5013.249520][ T10] __sys_sendmsg+0xcd/0x170 [ 5013.249520][ T10] do_syscall_64+0xc6/0x1e0 [ 5013.249520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5013.249520][ T10] [ 5013.251060][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5013.251060][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5013.251060][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5013.251060][ T10] ipv6_find_idev+0x102/0x170 [ 5013.251060][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5013.251060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5013.251060][ T10] netlink_rcv_skb+0x130/0x360 [ 5013.251060][ T10] netlink_unicast+0x449/0x710 [ 5013.251060][ T10] netlink_sendmsg+0x723/0xbe0 [ 5013.251060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5013.251060][ T10] ___sys_sendmsg+0xee/0x170 [ 5013.251060][ T10] __sys_sendmsg+0xcd/0x170 [ 5013.251060][ T10] do_syscall_64+0xc6/0x1e0 [ 5013.251060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5013.251060][ T10] [ 5013.252749][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5013.252991][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5013.252991][ T10] netdev_get_by_index+0x5e/0x80 [ 5013.252991][ T10] fib6_nh_init+0x3d8/0x1580 [ 5013.252991][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5013.252991][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5013.252991][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5013.252991][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5013.252991][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5013.252991][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5013.252991][ T10] addrconf_dad_begin+0x310/0x670 [ 5013.252991][ T10] addrconf_dad_work+0x10b/0xab0 [ 5013.252991][ T10] process_one_work+0x84d/0x18a0 [ 5013.252991][ T10] worker_thread+0x587/0xd30 [ 5013.252991][ T10] kthread+0x28a/0x350 [ 5013.252991][ T10] ret_from_fork+0x31/0x70 [ 5013.252991][ T10] ret_from_fork_asm+0x1a/0x30 [ 5013.252991][ T10] [ 5013.254901][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5013.254901][ T10] netdev_get_by_index+0x5e/0x80 [ 5013.254901][ T10] fib6_nh_init+0x3d8/0x1580 [ 5013.254901][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5013.254901][ T10] ip6_route_add+0x1c/0x140 [ 5013.254901][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5013.254901][ T10] inet6_addr_add+0x4f8/0xa40 [ 5013.254901][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5013.254901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5013.254901][ T10] netlink_rcv_skb+0x130/0x360 [ 5013.254901][ T10] netlink_unicast+0x449/0x710 [ 5013.254901][ T10] netlink_sendmsg+0x723/0xbe0 [ 5013.254901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5013.254901][ T10] ___sys_sendmsg+0xee/0x170 [ 5013.254901][ T10] __sys_sendmsg+0xcd/0x170 [ 5013.254901][ T10] do_syscall_64+0xc6/0x1e0 [ 5013.254901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5013.254901][ T10] [ 5013.256904][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5013.256904][ T10] netdev_get_by_index+0x5e/0x80 [ 5013.256904][ T10] fib6_nh_init+0x3d8/0x1580 [ 5013.256904][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5013.256904][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5013.256904][ T10] ipv6_add_addr+0x411/0x2000 [ 5013.256904][ T10] inet6_addr_add+0x30e/0xa40 [ 5013.256904][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5013.256904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5013.256904][ T10] netlink_rcv_skb+0x130/0x360 [ 5013.256904][ T10] netlink_unicast+0x449/0x710 [ 5013.256904][ T10] netlink_sendmsg+0x723/0xbe0 [ 5013.256904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5013.256904][ T10] ___sys_sendmsg+0xee/0x170 [ 5013.256904][ T10] __sys_sendmsg+0xcd/0x170 [ 5013.256904][ T10] do_syscall_64+0xc6/0x1e0 [ 5013.256904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5013.256904][ T10] [ 5013.258911][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5013.258911][ T10] netdev_get_by_index+0x5e/0x80 [ 5013.258911][ T10] fib6_nh_init+0x3d8/0x1580 [ 5013.258911][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5013.258911][ T10] ip6_route_add+0x1c/0x140 [ 5013.258911][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5013.258911][ T10] addrconf_add_dev+0xe2/0x170 [ 5013.258911][ T10] inet6_addr_add+0x12f/0xa40 [ 5013.258911][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5013.258911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5013.258911][ T10] netlink_rcv_skb+0x130/0x360 [ 5013.258911][ T10] netlink_unicast+0x449/0x710 [ 5013.258911][ T10] netlink_sendmsg+0x723/0xbe0 [ 5013.258911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5013.258911][ T10] ___sys_sendmsg+0xee/0x170 [ 5013.258911][ T10] __sys_sendmsg+0xcd/0x170 [ 5013.258911][ T10] do_syscall_64+0xc6/0x1e0 [ 5013.258911][ T10] [ 5013.260865][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5013.260865][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5013.260865][ T10] ipv6_find_idev+0x102/0x170 [ 5013.260865][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5013.260865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5013.260865][ T10] netlink_rcv_skb+0x130/0x360 [ 5013.260865][ T10] netlink_unicast+0x449/0x710 [ 5013.260865][ T10] netlink_sendmsg+0x723/0xbe0 [ 5013.260865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5013.260865][ T10] ___sys_sendmsg+0xee/0x170 [ 5013.260865][ T10] __sys_sendmsg+0xcd/0x170 [ 5013.260865][ T10] do_syscall_64+0xc6/0x1e0 [ 5013.260865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5013.260865][ T10] [ 5013.262406][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5013.262406][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5013.262406][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5013.262406][ T10] ipv6_find_idev+0x102/0x170 [ 5013.262406][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5013.262406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5013.262406][ T10] netlink_rcv_skb+0x130/0x360 [ 5013.262406][ T10] netlink_unicast+0x449/0x710 [ 5013.262406][ T10] netlink_sendmsg+0x723/0xbe0 [ 5013.262406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5013.262406][ T10] ___sys_sendmsg+0xee/0x170 [ 5013.262406][ T10] __sys_sendmsg+0xcd/0x170 [ 5013.262406][ T10] do_syscall_64+0xc6/0x1e0 [ 5013.262406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5013.262406][ T10] [ 5013.264091][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5013.264348][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5013.264348][ T10] netdev_get_by_index+0x5e/0x80 [ 5013.264348][ T10] fib6_nh_init+0x3d8/0x1580 [ 5013.264348][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5013.264348][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5013.264348][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5013.264348][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5013.264348][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5013.264348][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5013.264348][ T10] addrconf_dad_begin+0x310/0x670 [ 5013.264348][ T10] addrconf_dad_work+0x10b/0xab0 [ 5013.264348][ T10] process_one_work+0x84d/0x18a0 [ 5013.264348][ T10] worker_thread+0x587/0xd30 [ 5013.264348][ T10] kthread+0x28a/0x350 [ 5013.264348][ T10] ret_from_fork+0x31/0x70 [ 5013.264348][ T10] ret_from_fork_asm+0x1a/0x30 [ 5013.264348][ T10] [ 5013.266273][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5013.266273][ T10] netdev_get_by_index+0x5e/0x80 [ 5013.266273][ T10] fib6_nh_init+0x3d8/0x1580 [ 5013.266273][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5013.266273][ T10] ip6_route_add+0x1c/0x140 [ 5013.266273][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5013.266273][ T10] inet6_addr_add+0x4f8/0xa40 [ 5013.266273][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5013.266273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5013.266273][ T10] netlink_rcv_skb+0x130/0x360 [ 5013.266273][ T10] netlink_unicast+0x449/0x710 [ 5013.266273][ T10] netlink_sendmsg+0x723/0xbe0 [ 5013.266273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5013.266273][ T10] ___sys_sendmsg+0xee/0x170 [ 5013.266273][ T10] __sys_sendmsg+0xcd/0x170 [ 5013.266273][ T10] do_syscall_64+0xc6/0x1e0 [ 5013.266273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5013.266273][ T10] [ 5013.268468][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5013.268468][ T10] netdev_get_by_index+0x5e/0x80 [ 5013.268468][ T10] fib6_nh_init+0x3d8/0x1580 [ 5013.268468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5013.268468][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5013.268468][ T10] ipv6_add_addr+0x411/0x2000 [ 5013.268468][ T10] inet6_addr_add+0x30e/0xa40 [ 5013.268468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5013.268468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5013.268468][ T10] netlink_rcv_skb+0x130/0x360 [ 5013.268468][ T10] netlink_unicast+0x449/0x710 [ 5013.268468][ T10] netlink_sendmsg+0x723/0xbe0 [ 5013.268468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5013.268468][ T10] ___sys_sendmsg+0xee/0x170 [ 5013.268468][ T10] __sys_sendmsg+0xcd/0x170 [ 5013.268468][ T10] do_syscall_64+0xc6/0x1e0 [ 5013.268468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5013.268468][ T10] [ 5013.270711][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5013.270711][ T10] netdev_get_by_index+0x5e/0x80 [ 5013.270711][ T10] fib6_nh_init+0x3d8/0x1580 [ 5013.270711][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5013.270711][ T10] ip6_route_add+0x1c/0x140 [ 5013.270711][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5013.270711][ T10] addrconf_add_dev+0xe2/0x170 [ 5013.270711][ T10] inet6_addr_add+0x12f/0xa40 [ 5013.270711][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5013.270711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5013.270711][ T10] netlink_rcv_skb+0x130/0x360 [ 5013.270711][ T10] netlink_unicast+0x449/0x710 [ 5013.270711][ T10] netlink_sendmsg+0x723/0xbe0 [ 5013.270711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5013.270711][ T10] ___sys_sendmsg+0xee/0x170 [ 5013.270711][ T10] __sys_sendmsg+0xcd/0x170 [ 5013.270711][ T10] do_syscall_64+0xc6/0x1e0 [ 5013.270711][ T10] [ 5013.272868][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5013.272868][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5013.272868][ T10] ipv6_find_idev+0x102/0x170 [ 5013.272868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5013.272868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5013.272868][ T10] netlink_rcv_skb+0x130/0x360 [ 5013.272868][ T10] netlink_unicast+0x449/0x710 [ 5013.272868][ T10] netlink_sendmsg+0x723/0xbe0 [ 5013.272868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5013.272868][ T10] ___sys_sendmsg+0xee/0x170 [ 5013.272868][ T10] __sys_sendmsg+0xcd/0x170 [ 5013.272868][ T10] do_syscall_64+0xc6/0x1e0 [ 5013.272868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5013.272868][ T10] [ 5013.274600][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5013.274600][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5013.274600][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5013.274600][ T10] ipv6_find_idev+0x102/0x170 [ 5013.274600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5013.274600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5013.274600][ T10] netlink_rcv_skb+0x130/0x360 [ 5013.274600][ T10] netlink_unicast+0x449/0x710 [ 5013.274600][ T10] netlink_sendmsg+0x723/0xbe0 [ 5013.274600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5013.274600][ T10] ___sys_sendmsg+0xee/0x170 [ 5013.274600][ T10] __sys_sendmsg+0xcd/0x170 [ 5013.274600][ T10] do_syscall_64+0xc6/0x1e0 [ 5013.274600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5013.274600][ T10] [ 5013.276602][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5013.276852][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5013.276852][ T10] netdev_get_by_index+0x5e/0x80 [ 5013.276852][ T10] fib6_nh_init+0x3d8/0x1580 [ 5013.276852][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5013.276852][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5013.276852][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5013.276852][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5013.276852][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5013.276852][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5013.276852][ T10] addrconf_dad_begin+0x310/0x670 [ 5013.276852][ T10] addrconf_dad_work+0x10b/0xab0 [ 5013.276852][ T10] process_one_work+0x84d/0x18a0 [ 5013.276852][ T10] worker_thread+0x587/0xd30 [ 5013.276852][ T10] kthread+0x28a/0x350 [ 5013.276852][ T10] ret_from_fork+0x31/0x70 [ 5013.276852][ T10] ret_from_fork_asm+0x1a/0x30 [ 5013.276852][ T10] [ 5013.279012][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5013.279012][ T10] netdev_get_by_index+0x5e/0x80 [ 5013.279012][ T10] fib6_nh_init+0x3d8/0x1580 [ 5013.279012][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5013.279012][ T10] ip6_route_add+0x1c/0x140 [ 5013.279012][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5013.279012][ T10] inet6_addr_add+0x4f8/0xa40 [ 5013.279012][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5013.279012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5013.279012][ T10] netlink_rcv_skb+0x130/0x360 [ 5013.279012][ T10] netlink_unicast+0x449/0x710 [ 5013.279012][ T10] netlink_sendmsg+0x723/0xbe0 [ 5013.279012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5013.279012][ T10] ___sys_sendmsg+0xee/0x170 [ 5013.279012][ T10] __sys_sendmsg+0xcd/0x170 [ 5013.279012][ T10] do_syscall_64+0xc6/0x1e0 [ 5013.279012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5013.279012][ T10] [ 5013.281186][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5013.281186][ T10] netdev_get_by_index+0x5e/0x80 [ 5013.281186][ T10] fib6_nh_init+0x3d8/0x1580 [ 5013.281186][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5013.281186][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5013.281186][ T10] ipv6_add_addr+0x411/0x2000 [ 5013.281186][ T10] inet6_addr_add+0x30e/0xa40 [ 5013.281186][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5013.281186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5013.281186][ T10] netlink_rcv_skb+0x130/0x360 [ 5013.281186][ T10] netlink_unicast+0x449/0x710 [ 5013.281186][ T10] netlink_sendmsg+0x723/0xbe0 [ 5013.281186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5013.281186][ T10] ___sys_sendmsg+0xee/0x170 [ 5013.281186][ T10] __sys_sendmsg+0xcd/0x170 [ 5013.281186][ T10] do_syscall_64+0xc6/0x1e0 [ 5013.281186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5013.281186][ T10] [ 5013.283440][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5013.283440][ T10] netdev_get_by_index+0x5e/0x80 [ 5013.283440][ T10] fib6_nh_init+0x3d8/0x1580 [ 5013.283440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5013.283440][ T10] ip6_route_add+0x1c/0x140 [ 5013.283440][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5013.283440][ T10] addrconf_add_dev+0xe2/0x170 [ 5013.283440][ T10] inet6_addr_add+0x12f/0xa40 [ 5013.283440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5013.283440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5013.283440][ T10] netlink_rcv_skb+0x130/0x360 [ 5013.283440][ T10] netlink_unicast+0x449/0x710 [ 5013.283440][ T10] netlink_sendmsg+0x723/0xbe0 [ 5013.283440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5013.283440][ T10] ___sys_sendmsg+0xee/0x170 [ 5013.283440][ T10] __sys_sendmsg+0xcd/0x170 [ 5013.283440][ T10] do_syscall_64+0xc6/0x1e0 [ 5013.283440][ T10] [ 5013.285722][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5013.285722][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5013.285722][ T10] ipv6_find_idev+0x102/0x170 [ 5013.285722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5013.285722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5013.285722][ T10] netlink_rcv_skb+0x130/0x360 [ 5013.285722][ T10] netlink_unicast+0x449/0x710 [ 5013.285722][ T10] netlink_sendmsg+0x723/0xbe0 [ 5013.285722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5013.285722][ T10] ___sys_sendmsg+0xee/0x170 [ 5013.285722][ T10] __sys_sendmsg+0xcd/0x170 [ 5013.285722][ T10] do_syscall_64+0xc6/0x1e0 [ 5013.285722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5013.285722][ T10] [ 5013.287446][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5013.287446][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5013.287446][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5013.287446][ T10] ipv6_find_idev+0x102/0x170 [ 5013.287446][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5013.287446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5013.287446][ T10] netlink_rcv_skb+0x130/0x360 [ 5013.287446][ T10] netlink_unicast+0x449/0x710 [ 5013.287446][ T10] netlink_sendmsg+0x723/0xbe0 [ 5013.287446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5013.287446][ T10] ___sys_sendmsg+0xee/0x170 [ 5013.287446][ T10] __sys_sendmsg+0xcd/0x170 [ 5013.287446][ T10] do_syscall_64+0xc6/0x1e0 [ 5013.287446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5013.287446][ T10] [ 5016.601200][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5016.601672][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5016.601672][ T1167] dst_init+0x84/0x4a0 [ 5016.601672][ T1167] dst_alloc+0x97/0x150 [ 5016.601672][ T1167] ip6_dst_alloc+0x23/0x90 [ 5016.601672][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5016.601672][ T1167] ip6_pol_route+0x56f/0x840 [ 5016.601672][ T1167] fib6_rule_lookup+0x334/0x630 [ 5016.601672][ T1167] ip6_route_output_flags+0x259/0x480 [ 5016.601672][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5016.601672][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5016.601672][ T1167] netlink_rcv_skb+0x130/0x360 [ 5016.601672][ T1167] netlink_unicast+0x449/0x710 [ 5016.601672][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5016.601672][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5016.601672][ T1167] ___sys_sendmsg+0xee/0x170 [ 5016.601672][ T1167] __sys_sendmsg+0xcd/0x170 [ 5016.601672][ T1167] do_syscall_64+0xc6/0x1e0 [ 5016.601672][ T1167] [ 5016.603910][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5016.603910][ T1167] netdev_get_by_index+0x5e/0x80 [ 5016.603910][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5016.603910][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5016.603910][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5016.603910][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5016.603910][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5016.603910][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5016.603910][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5016.603910][ T1167] addrconf_dad_begin+0x310/0x670 [ 5016.603910][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5016.603910][ T1167] process_one_work+0x84d/0x18a0 [ 5016.603910][ T1167] worker_thread+0x587/0xd30 [ 5016.603910][ T1167] kthread+0x28a/0x350 [ 5016.603910][ T1167] ret_from_fork+0x31/0x70 [ 5016.603910][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5016.603910][ T1167] [ 5016.606069][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5016.606069][ T1167] netdev_get_by_index+0x5e/0x80 [ 5016.606069][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5016.606069][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5016.606069][ T1167] ip6_route_add+0x1c/0x140 [ 5016.606069][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5016.606069][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5016.606069][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5016.606069][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5016.606069][ T1167] netlink_rcv_skb+0x130/0x360 [ 5016.606069][ T1167] netlink_unicast+0x449/0x710 [ 5016.606069][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5016.606069][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5016.606069][ T1167] ___sys_sendmsg+0xee/0x170 [ 5016.606069][ T1167] __sys_sendmsg+0xcd/0x170 [ 5016.606069][ T1167] do_syscall_64+0xc6/0x1e0 [ 5016.606069][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5016.606069][ T1167] [ 5016.608320][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5016.608320][ T1167] netdev_get_by_index+0x5e/0x80 [ 5016.608320][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5016.608320][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5016.608320][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5016.608320][ T1167] ipv6_add_addr+0x411/0x2000 [ 5016.608320][ T1167] inet6_addr_add+0x30e/0xa40 [ 5016.608320][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5016.608320][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5016.608320][ T1167] netlink_rcv_skb+0x130/0x360 [ 5016.608320][ T1167] netlink_unicast+0x449/0x710 [ 5016.608320][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5016.608320][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5016.608320][ T1167] ___sys_sendmsg+0xee/0x170 [ 5016.608320][ T1167] __sys_sendmsg+0xcd/0x170 [ 5016.608320][ T1167] do_syscall_64+0xc6/0x1e0 [ 5016.608320][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5016.608320][ T1167] [ 5016.610584][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5016.610584][ T1167] netdev_get_by_index+0x5e/0x80 [ 5016.610584][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5016.610584][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5016.610584][ T1167] ip6_route_add+0x1c/0x140 [ 5016.610584][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5016.610584][ T1167] addrconf_add_dev+0xe2/0x170 [ 5016.610584][ T1167] inet6_addr_add+0x12f/0xa40 [ 5016.610584][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5016.610584][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5016.610584][ T1167] netlink_rcv_skb+0x130/0x360 [ 5016.610584][ T1167] netlink_unicast+0x449/0x710 [ 5016.610584][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5016.610584][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5016.610584][ T1167] ___sys_sendmsg+0xee/0x170 [ 5016.610584][ T1167] __sys_sendmsg+0xcd/0x170 [ 5016.610584][ T1167] do_syscall_64+0xc6/0x1e0 [ 5016.610584][ T1167] [ 5016.612799][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5016.612799][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5016.612799][ T1167] ipv6_find_idev+0x102/0x170 [ 5016.612799][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5016.612799][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5016.612799][ T1167] netlink_rcv_skb+0x130/0x360 [ 5016.612799][ T1167] netlink_unicast+0x449/0x710 [ 5016.612799][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5016.612799][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5016.612799][ T1167] ___sys_sendmsg+0xee/0x170 [ 5016.612799][ T1167] __sys_sendmsg+0xcd/0x170 [ 5016.612799][ T1167] do_syscall_64+0xc6/0x1e0 [ 5016.612799][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5016.612799][ T1167] [ 5016.614547][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5016.614547][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5016.614547][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5016.614547][ T1167] ipv6_find_idev+0x102/0x170 [ 5016.614547][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5016.614547][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5016.614547][ T1167] netlink_rcv_skb+0x130/0x360 [ 5016.614547][ T1167] netlink_unicast+0x449/0x710 [ 5016.614547][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5016.614547][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5016.614547][ T1167] ___sys_sendmsg+0xee/0x170 [ 5016.614547][ T1167] __sys_sendmsg+0xcd/0x170 [ 5016.614547][ T1167] do_syscall_64+0xc6/0x1e0 [ 5016.614547][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5016.614547][ T1167] [ 5023.513135][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5023.513530][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5023.513530][ T10] netdev_get_by_index+0x5e/0x80 [ 5023.513530][ T10] fib6_nh_init+0x3d8/0x1580 [ 5023.513530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5023.513530][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5023.513530][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5023.513530][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5023.513530][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5023.513530][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5023.513530][ T10] addrconf_dad_begin+0x310/0x670 [ 5023.513530][ T10] addrconf_dad_work+0x10b/0xab0 [ 5023.513530][ T10] process_one_work+0x84d/0x18a0 [ 5023.513530][ T10] worker_thread+0x587/0xd30 [ 5023.513530][ T10] kthread+0x28a/0x350 [ 5023.513530][ T10] ret_from_fork+0x31/0x70 [ 5023.513530][ T10] ret_from_fork_asm+0x1a/0x30 [ 5023.513530][ T10] [ 5023.515770][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5023.515770][ T10] netdev_get_by_index+0x5e/0x80 [ 5023.515770][ T10] fib6_nh_init+0x3d8/0x1580 [ 5023.515770][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5023.515770][ T10] ip6_route_add+0x1c/0x140 [ 5023.515770][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5023.515770][ T10] inet6_addr_add+0x4f8/0xa40 [ 5023.515770][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5023.515770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5023.515770][ T10] netlink_rcv_skb+0x130/0x360 [ 5023.515770][ T10] netlink_unicast+0x449/0x710 [ 5023.515770][ T10] netlink_sendmsg+0x723/0xbe0 [ 5023.515770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5023.515770][ T10] ___sys_sendmsg+0xee/0x170 [ 5023.515770][ T10] __sys_sendmsg+0xcd/0x170 [ 5023.515770][ T10] do_syscall_64+0xc6/0x1e0 [ 5023.515770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5023.515770][ T10] [ 5023.518041][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5023.518041][ T10] netdev_get_by_index+0x5e/0x80 [ 5023.518041][ T10] fib6_nh_init+0x3d8/0x1580 [ 5023.518041][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5023.518041][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5023.518041][ T10] ipv6_add_addr+0x411/0x2000 [ 5023.518041][ T10] inet6_addr_add+0x30e/0xa40 [ 5023.518041][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5023.518041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5023.518041][ T10] netlink_rcv_skb+0x130/0x360 [ 5023.518041][ T10] netlink_unicast+0x449/0x710 [ 5023.518041][ T10] netlink_sendmsg+0x723/0xbe0 [ 5023.518041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5023.518041][ T10] ___sys_sendmsg+0xee/0x170 [ 5023.518041][ T10] __sys_sendmsg+0xcd/0x170 [ 5023.518041][ T10] do_syscall_64+0xc6/0x1e0 [ 5023.518041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5023.518041][ T10] [ 5023.520313][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5023.520313][ T10] netdev_get_by_index+0x5e/0x80 [ 5023.520313][ T10] fib6_nh_init+0x3d8/0x1580 [ 5023.520313][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5023.520313][ T10] ip6_route_add+0x1c/0x140 [ 5023.520313][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5023.520313][ T10] addrconf_add_dev+0xe2/0x170 [ 5023.520313][ T10] inet6_addr_add+0x12f/0xa40 [ 5023.520313][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5023.520313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5023.520313][ T10] netlink_rcv_skb+0x130/0x360 [ 5023.520313][ T10] netlink_unicast+0x449/0x710 [ 5023.520313][ T10] netlink_sendmsg+0x723/0xbe0 [ 5023.520313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5023.520313][ T10] ___sys_sendmsg+0xee/0x170 [ 5023.520313][ T10] __sys_sendmsg+0xcd/0x170 [ 5023.520313][ T10] do_syscall_64+0xc6/0x1e0 [ 5023.520313][ T10] [ 5023.522574][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5023.522574][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5023.522574][ T10] ipv6_find_idev+0x102/0x170 [ 5023.522574][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5023.522574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5023.522574][ T10] netlink_rcv_skb+0x130/0x360 [ 5023.522574][ T10] netlink_unicast+0x449/0x710 [ 5023.522574][ T10] netlink_sendmsg+0x723/0xbe0 [ 5023.522574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5023.522574][ T10] ___sys_sendmsg+0xee/0x170 [ 5023.522574][ T10] __sys_sendmsg+0xcd/0x170 [ 5023.522574][ T10] do_syscall_64+0xc6/0x1e0 [ 5023.522574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5023.522574][ T10] [ 5023.524307][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5023.524307][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5023.524307][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5023.524307][ T10] ipv6_find_idev+0x102/0x170 [ 5023.524307][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5023.524307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5023.524307][ T10] netlink_rcv_skb+0x130/0x360 [ 5023.524307][ T10] netlink_unicast+0x449/0x710 [ 5023.524307][ T10] netlink_sendmsg+0x723/0xbe0 [ 5023.524307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5023.524307][ T10] ___sys_sendmsg+0xee/0x170 [ 5023.524307][ T10] __sys_sendmsg+0xcd/0x170 [ 5023.524307][ T10] do_syscall_64+0xc6/0x1e0 [ 5023.524307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5023.524307][ T10] [ 5023.526213][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5023.526528][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5023.526528][ T10] netdev_get_by_index+0x5e/0x80 [ 5023.526528][ T10] fib6_nh_init+0x3d8/0x1580 [ 5023.526528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5023.526528][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5023.526528][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5023.526528][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5023.526528][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5023.526528][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5023.526528][ T10] addrconf_dad_begin+0x310/0x670 [ 5023.526528][ T10] addrconf_dad_work+0x10b/0xab0 [ 5023.526528][ T10] process_one_work+0x84d/0x18a0 [ 5023.526528][ T10] worker_thread+0x587/0xd30 [ 5023.526528][ T10] kthread+0x28a/0x350 [ 5023.526528][ T10] ret_from_fork+0x31/0x70 [ 5023.526528][ T10] ret_from_fork_asm+0x1a/0x30 [ 5023.526528][ T10] [ 5023.528686][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5023.528686][ T10] netdev_get_by_index+0x5e/0x80 [ 5023.528686][ T10] fib6_nh_init+0x3d8/0x1580 [ 5023.528686][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5023.528686][ T10] ip6_route_add+0x1c/0x140 [ 5023.528686][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5023.528686][ T10] inet6_addr_add+0x4f8/0xa40 [ 5023.528686][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5023.528686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5023.528686][ T10] netlink_rcv_skb+0x130/0x360 [ 5023.528686][ T10] netlink_unicast+0x449/0x710 [ 5023.528686][ T10] netlink_sendmsg+0x723/0xbe0 [ 5023.528686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5023.528686][ T10] ___sys_sendmsg+0xee/0x170 [ 5023.528686][ T10] __sys_sendmsg+0xcd/0x170 [ 5023.528686][ T10] do_syscall_64+0xc6/0x1e0 [ 5023.528686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5023.528686][ T10] [ 5023.530941][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5023.530941][ T10] netdev_get_by_index+0x5e/0x80 [ 5023.530941][ T10] fib6_nh_init+0x3d8/0x1580 [ 5023.530941][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5023.530941][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5023.530941][ T10] ipv6_add_addr+0x411/0x2000 [ 5023.530941][ T10] inet6_addr_add+0x30e/0xa40 [ 5023.530941][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5023.530941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5023.530941][ T10] netlink_rcv_skb+0x130/0x360 [ 5023.530941][ T10] netlink_unicast+0x449/0x710 [ 5023.530941][ T10] netlink_sendmsg+0x723/0xbe0 [ 5023.530941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5023.530941][ T10] ___sys_sendmsg+0xee/0x170 [ 5023.530941][ T10] __sys_sendmsg+0xcd/0x170 [ 5023.530941][ T10] do_syscall_64+0xc6/0x1e0 [ 5023.530941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5023.530941][ T10] [ 5023.533210][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5023.533210][ T10] netdev_get_by_index+0x5e/0x80 [ 5023.533210][ T10] fib6_nh_init+0x3d8/0x1580 [ 5023.533210][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5023.533210][ T10] ip6_route_add+0x1c/0x140 [ 5023.533210][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5023.533210][ T10] addrconf_add_dev+0xe2/0x170 [ 5023.533210][ T10] inet6_addr_add+0x12f/0xa40 [ 5023.533210][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5023.533210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5023.533210][ T10] netlink_rcv_skb+0x130/0x360 [ 5023.533210][ T10] netlink_unicast+0x449/0x710 [ 5023.533210][ T10] netlink_sendmsg+0x723/0xbe0 [ 5023.533210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5023.533210][ T10] ___sys_sendmsg+0xee/0x170 [ 5023.533210][ T10] __sys_sendmsg+0xcd/0x170 [ 5023.533210][ T10] do_syscall_64+0xc6/0x1e0 [ 5023.533210][ T10] [ 5023.535419][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5023.535419][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5023.535419][ T10] ipv6_find_idev+0x102/0x170 [ 5023.535419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5023.535419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5023.535419][ T10] netlink_rcv_skb+0x130/0x360 [ 5023.535419][ T10] netlink_unicast+0x449/0x710 [ 5023.535419][ T10] netlink_sendmsg+0x723/0xbe0 [ 5023.535419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5023.535419][ T10] ___sys_sendmsg+0xee/0x170 [ 5023.535419][ T10] __sys_sendmsg+0xcd/0x170 [ 5023.535419][ T10] do_syscall_64+0xc6/0x1e0 [ 5023.535419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5023.535419][ T10] [ 5023.537155][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5023.537155][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5023.537155][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5023.537155][ T10] ipv6_find_idev+0x102/0x170 [ 5023.537155][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5023.537155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5023.537155][ T10] netlink_rcv_skb+0x130/0x360 [ 5023.537155][ T10] netlink_unicast+0x449/0x710 [ 5023.537155][ T10] netlink_sendmsg+0x723/0xbe0 [ 5023.537155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5023.537155][ T10] ___sys_sendmsg+0xee/0x170 [ 5023.537155][ T10] __sys_sendmsg+0xcd/0x170 [ 5023.537155][ T10] do_syscall_64+0xc6/0x1e0 [ 5023.537155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5023.537155][ T10] [ 5023.539060][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5023.539329][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5023.539329][ T10] netdev_get_by_index+0x5e/0x80 [ 5023.539329][ T10] fib6_nh_init+0x3d8/0x1580 [ 5023.539329][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5023.539329][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5023.539329][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5023.539329][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5023.539329][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5023.539329][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5023.539329][ T10] addrconf_dad_begin+0x310/0x670 [ 5023.539329][ T10] addrconf_dad_work+0x10b/0xab0 [ 5023.539329][ T10] process_one_work+0x84d/0x18a0 [ 5023.539329][ T10] worker_thread+0x587/0xd30 [ 5023.539329][ T10] kthread+0x28a/0x350 [ 5023.539329][ T10] ret_from_fork+0x31/0x70 [ 5023.539329][ T10] ret_from_fork_asm+0x1a/0x30 [ 5023.539329][ T10] [ 5023.541476][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5023.541476][ T10] netdev_get_by_index+0x5e/0x80 [ 5023.541476][ T10] fib6_nh_init+0x3d8/0x1580 [ 5023.541476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5023.541476][ T10] ip6_route_add+0x1c/0x140 [ 5023.541476][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5023.541476][ T10] inet6_addr_add+0x4f8/0xa40 [ 5023.541476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5023.541476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5023.541476][ T10] netlink_rcv_skb+0x130/0x360 [ 5023.541476][ T10] netlink_unicast+0x449/0x710 [ 5023.541476][ T10] netlink_sendmsg+0x723/0xbe0 [ 5023.541476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5023.541476][ T10] ___sys_sendmsg+0xee/0x170 [ 5023.541476][ T10] __sys_sendmsg+0xcd/0x170 [ 5023.541476][ T10] do_syscall_64+0xc6/0x1e0 [ 5023.541476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5023.541476][ T10] [ 5023.543826][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5023.543826][ T10] netdev_get_by_index+0x5e/0x80 [ 5023.543826][ T10] fib6_nh_init+0x3d8/0x1580 [ 5023.543826][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5023.543826][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5023.543826][ T10] ipv6_add_addr+0x411/0x2000 [ 5023.543826][ T10] inet6_addr_add+0x30e/0xa40 [ 5023.543826][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5023.543826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5023.543826][ T10] netlink_rcv_skb+0x130/0x360 [ 5023.543826][ T10] netlink_unicast+0x449/0x710 [ 5023.543826][ T10] netlink_sendmsg+0x723/0xbe0 [ 5023.543826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5023.543826][ T10] ___sys_sendmsg+0xee/0x170 [ 5023.543826][ T10] __sys_sendmsg+0xcd/0x170 [ 5023.543826][ T10] do_syscall_64+0xc6/0x1e0 [ 5023.543826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5023.543826][ T10] [ 5023.546235][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5023.546235][ T10] netdev_get_by_index+0x5e/0x80 [ 5023.546235][ T10] fib6_nh_init+0x3d8/0x1580 [ 5023.546235][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5023.546235][ T10] ip6_route_add+0x1c/0x140 [ 5023.546235][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5023.546235][ T10] addrconf_add_dev+0xe2/0x170 [ 5023.546235][ T10] inet6_addr_add+0x12f/0xa40 [ 5023.546235][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5023.546235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5023.546235][ T10] netlink_rcv_skb+0x130/0x360 [ 5023.546235][ T10] netlink_unicast+0x449/0x710 [ 5023.546235][ T10] netlink_sendmsg+0x723/0xbe0 [ 5023.546235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5023.546235][ T10] ___sys_sendmsg+0xee/0x170 [ 5023.546235][ T10] __sys_sendmsg+0xcd/0x170 [ 5023.546235][ T10] do_syscall_64+0xc6/0x1e0 [ 5023.546235][ T10] [ 5023.549061][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5023.549061][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5023.549061][ T10] ipv6_find_idev+0x102/0x170 [ 5023.549061][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5023.549061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5023.549061][ T10] netlink_rcv_skb+0x130/0x360 [ 5023.549061][ T10] netlink_unicast+0x449/0x710 [ 5023.549061][ T10] netlink_sendmsg+0x723/0xbe0 [ 5023.549061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5023.549061][ T10] ___sys_sendmsg+0xee/0x170 [ 5023.549061][ T10] __sys_sendmsg+0xcd/0x170 [ 5023.549061][ T10] do_syscall_64+0xc6/0x1e0 [ 5023.549061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5023.549061][ T10] [ 5023.550879][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5023.550879][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5023.550879][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5023.550879][ T10] ipv6_find_idev+0x102/0x170 [ 5023.550879][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5023.550879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5023.550879][ T10] netlink_rcv_skb+0x130/0x360 [ 5023.550879][ T10] netlink_unicast+0x449/0x710 [ 5023.550879][ T10] netlink_sendmsg+0x723/0xbe0 [ 5023.550879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5023.550879][ T10] ___sys_sendmsg+0xee/0x170 [ 5023.550879][ T10] __sys_sendmsg+0xcd/0x170 [ 5023.550879][ T10] do_syscall_64+0xc6/0x1e0 [ 5023.550879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5023.550879][ T10] [ 5023.552854][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5023.553571][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5023.553571][ T10] netdev_get_by_index+0x5e/0x80 [ 5023.553571][ T10] fib6_nh_init+0x3d8/0x1580 [ 5023.553571][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5023.553571][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5023.553571][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5023.553571][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5023.553571][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5023.553571][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5023.553571][ T10] addrconf_dad_begin+0x310/0x670 [ 5023.553571][ T10] addrconf_dad_work+0x10b/0xab0 [ 5023.553571][ T10] process_one_work+0x84d/0x18a0 [ 5023.553571][ T10] worker_thread+0x587/0xd30 [ 5023.553571][ T10] kthread+0x28a/0x350 [ 5023.553571][ T10] ret_from_fork+0x31/0x70 [ 5023.553571][ T10] ret_from_fork_asm+0x1a/0x30 [ 5023.553571][ T10] [ 5023.555740][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5023.555740][ T10] netdev_get_by_index+0x5e/0x80 [ 5023.555740][ T10] fib6_nh_init+0x3d8/0x1580 [ 5023.555740][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5023.555740][ T10] ip6_route_add+0x1c/0x140 [ 5023.555740][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5023.555740][ T10] inet6_addr_add+0x4f8/0xa40 [ 5023.555740][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5023.555740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5023.555740][ T10] netlink_rcv_skb+0x130/0x360 [ 5023.555740][ T10] netlink_unicast+0x449/0x710 [ 5023.555740][ T10] netlink_sendmsg+0x723/0xbe0 [ 5023.555740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5023.555740][ T10] ___sys_sendmsg+0xee/0x170 [ 5023.555740][ T10] __sys_sendmsg+0xcd/0x170 [ 5023.555740][ T10] do_syscall_64+0xc6/0x1e0 [ 5023.555740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5023.555740][ T10] [ 5023.558073][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5023.558073][ T10] netdev_get_by_index+0x5e/0x80 [ 5023.558073][ T10] fib6_nh_init+0x3d8/0x1580 [ 5023.558073][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5023.558073][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5023.558073][ T10] ipv6_add_addr+0x411/0x2000 [ 5023.558073][ T10] inet6_addr_add+0x30e/0xa40 [ 5023.558073][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5023.558073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5023.558073][ T10] netlink_rcv_skb+0x130/0x360 [ 5023.558073][ T10] netlink_unicast+0x449/0x710 [ 5023.558073][ T10] netlink_sendmsg+0x723/0xbe0 [ 5023.558073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5023.558073][ T10] ___sys_sendmsg+0xee/0x170 [ 5023.558073][ T10] __sys_sendmsg+0xcd/0x170 [ 5023.558073][ T10] do_syscall_64+0xc6/0x1e0 [ 5023.558073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5023.558073][ T10] [ 5023.560393][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5023.560393][ T10] netdev_get_by_index+0x5e/0x80 [ 5023.560393][ T10] fib6_nh_init+0x3d8/0x1580 [ 5023.560393][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5023.560393][ T10] ip6_route_add+0x1c/0x140 [ 5023.560393][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5023.560393][ T10] addrconf_add_dev+0xe2/0x170 [ 5023.560393][ T10] inet6_addr_add+0x12f/0xa40 [ 5023.560393][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5023.560393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5023.560393][ T10] netlink_rcv_skb+0x130/0x360 [ 5023.560393][ T10] netlink_unicast+0x449/0x710 [ 5023.560393][ T10] netlink_sendmsg+0x723/0xbe0 [ 5023.560393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5023.560393][ T10] ___sys_sendmsg+0xee/0x170 [ 5023.560393][ T10] __sys_sendmsg+0xcd/0x170 [ 5023.560393][ T10] do_syscall_64+0xc6/0x1e0 [ 5023.560393][ T10] [ 5023.562707][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5023.562707][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5023.562707][ T10] ipv6_find_idev+0x102/0x170 [ 5023.562707][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5023.562707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5023.562707][ T10] netlink_rcv_skb+0x130/0x360 [ 5023.562707][ T10] netlink_unicast+0x449/0x710 [ 5023.562707][ T10] netlink_sendmsg+0x723/0xbe0 [ 5023.562707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5023.562707][ T10] ___sys_sendmsg+0xee/0x170 [ 5023.562707][ T10] __sys_sendmsg+0xcd/0x170 [ 5023.562707][ T10] do_syscall_64+0xc6/0x1e0 [ 5023.562707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5023.562707][ T10] [ 5023.564520][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5023.564520][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5023.564520][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5023.564520][ T10] ipv6_find_idev+0x102/0x170 [ 5023.564520][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5023.564520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5023.564520][ T10] netlink_rcv_skb+0x130/0x360 [ 5023.564520][ T10] netlink_unicast+0x449/0x710 [ 5023.564520][ T10] netlink_sendmsg+0x723/0xbe0 [ 5023.564520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5023.564520][ T10] ___sys_sendmsg+0xee/0x170 [ 5023.564520][ T10] __sys_sendmsg+0xcd/0x170 [ 5023.564520][ T10] do_syscall_64+0xc6/0x1e0 [ 5023.564520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5023.564520][ T10] [ 5026.865052][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5026.865564][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5026.865564][ T1167] dst_init+0x84/0x4a0 [ 5026.865564][ T1167] dst_alloc+0x97/0x150 [ 5026.865564][ T1167] ip6_dst_alloc+0x23/0x90 [ 5026.865564][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5026.865564][ T1167] ip6_pol_route+0x56f/0x840 [ 5026.865564][ T1167] fib6_rule_lookup+0x334/0x630 [ 5026.865564][ T1167] ip6_route_output_flags+0x259/0x480 [ 5026.865564][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5026.865564][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5026.865564][ T1167] netlink_rcv_skb+0x130/0x360 [ 5026.865564][ T1167] netlink_unicast+0x449/0x710 [ 5026.865564][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5026.865564][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5026.865564][ T1167] ___sys_sendmsg+0xee/0x170 [ 5026.865564][ T1167] __sys_sendmsg+0xcd/0x170 [ 5026.865564][ T1167] do_syscall_64+0xc6/0x1e0 [ 5026.865564][ T1167] [ 5026.867797][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5026.867797][ T1167] netdev_get_by_index+0x5e/0x80 [ 5026.867797][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5026.867797][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5026.867797][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5026.867797][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5026.867797][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5026.867797][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5026.867797][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5026.867797][ T1167] addrconf_dad_begin+0x310/0x670 [ 5026.867797][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5026.867797][ T1167] process_one_work+0x84d/0x18a0 [ 5026.867797][ T1167] worker_thread+0x587/0xd30 [ 5026.867797][ T1167] kthread+0x28a/0x350 [ 5026.867797][ T1167] ret_from_fork+0x31/0x70 [ 5026.867797][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5026.867797][ T1167] [ 5026.869958][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5026.869958][ T1167] netdev_get_by_index+0x5e/0x80 [ 5026.869958][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5026.869958][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5026.869958][ T1167] ip6_route_add+0x1c/0x140 [ 5026.869958][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5026.869958][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5026.869958][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5026.869958][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5026.869958][ T1167] netlink_rcv_skb+0x130/0x360 [ 5026.869958][ T1167] netlink_unicast+0x449/0x710 [ 5026.869958][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5026.869958][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5026.869958][ T1167] ___sys_sendmsg+0xee/0x170 [ 5026.869958][ T1167] __sys_sendmsg+0xcd/0x170 [ 5026.869958][ T1167] do_syscall_64+0xc6/0x1e0 [ 5026.869958][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5026.869958][ T1167] [ 5026.874833][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5026.874833][ T1167] netdev_get_by_index+0x5e/0x80 [ 5026.874833][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5026.874833][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5026.874833][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5026.874833][ T1167] ipv6_add_addr+0x411/0x2000 [ 5026.874833][ T1167] inet6_addr_add+0x30e/0xa40 [ 5026.874833][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5026.874833][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5026.874833][ T1167] netlink_rcv_skb+0x130/0x360 [ 5026.874833][ T1167] netlink_unicast+0x449/0x710 [ 5026.874833][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5026.874833][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5026.874833][ T1167] ___sys_sendmsg+0xee/0x170 [ 5026.874833][ T1167] __sys_sendmsg+0xcd/0x170 [ 5026.874833][ T1167] do_syscall_64+0xc6/0x1e0 [ 5026.874833][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5026.874833][ T1167] [ 5026.877092][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5026.877092][ T1167] netdev_get_by_index+0x5e/0x80 [ 5026.877092][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5026.877092][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5026.877092][ T1167] ip6_route_add+0x1c/0x140 [ 5026.877092][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5026.877092][ T1167] addrconf_add_dev+0xe2/0x170 [ 5026.877092][ T1167] inet6_addr_add+0x12f/0xa40 [ 5026.877092][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5026.877092][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5026.877092][ T1167] netlink_rcv_skb+0x130/0x360 [ 5026.877092][ T1167] netlink_unicast+0x449/0x710 [ 5026.877092][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5026.877092][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5026.877092][ T1167] ___sys_sendmsg+0xee/0x170 [ 5026.877092][ T1167] __sys_sendmsg+0xcd/0x170 [ 5026.877092][ T1167] do_syscall_64+0xc6/0x1e0 [ 5026.877092][ T1167] [ 5026.879314][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5026.879314][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5026.879314][ T1167] ipv6_find_idev+0x102/0x170 [ 5026.879314][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5026.879314][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5026.879314][ T1167] netlink_rcv_skb+0x130/0x360 [ 5026.879314][ T1167] netlink_unicast+0x449/0x710 [ 5026.879314][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5026.879314][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5026.879314][ T1167] ___sys_sendmsg+0xee/0x170 [ 5026.879314][ T1167] __sys_sendmsg+0xcd/0x170 [ 5026.879314][ T1167] do_syscall_64+0xc6/0x1e0 [ 5026.879314][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5026.879314][ T1167] [ 5026.881055][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5026.881055][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5026.881055][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5026.881055][ T1167] ipv6_find_idev+0x102/0x170 [ 5026.881055][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5026.881055][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5026.881055][ T1167] netlink_rcv_skb+0x130/0x360 [ 5026.881055][ T1167] netlink_unicast+0x449/0x710 [ 5026.881055][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5026.881055][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5026.881055][ T1167] ___sys_sendmsg+0xee/0x170 [ 5026.881055][ T1167] __sys_sendmsg+0xcd/0x170 [ 5026.881055][ T1167] do_syscall_64+0xc6/0x1e0 [ 5026.881055][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5026.881055][ T1167] [ 5033.809119][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5033.809521][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5033.809521][ T10] netdev_get_by_index+0x5e/0x80 [ 5033.809521][ T10] fib6_nh_init+0x3d8/0x1580 [ 5033.809521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5033.809521][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5033.809521][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5033.809521][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5033.809521][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5033.809521][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5033.809521][ T10] addrconf_dad_begin+0x310/0x670 [ 5033.809521][ T10] addrconf_dad_work+0x10b/0xab0 [ 5033.809521][ T10] process_one_work+0x84d/0x18a0 [ 5033.809521][ T10] worker_thread+0x587/0xd30 [ 5033.809521][ T10] kthread+0x28a/0x350 [ 5033.809521][ T10] ret_from_fork+0x31/0x70 [ 5033.809521][ T10] ret_from_fork_asm+0x1a/0x30 [ 5033.809521][ T10] [ 5033.811733][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5033.811733][ T10] netdev_get_by_index+0x5e/0x80 [ 5033.811733][ T10] fib6_nh_init+0x3d8/0x1580 [ 5033.811733][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5033.811733][ T10] ip6_route_add+0x1c/0x140 [ 5033.811733][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5033.811733][ T10] inet6_addr_add+0x4f8/0xa40 [ 5033.811733][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5033.811733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5033.811733][ T10] netlink_rcv_skb+0x130/0x360 [ 5033.811733][ T10] netlink_unicast+0x449/0x710 [ 5033.811733][ T10] netlink_sendmsg+0x723/0xbe0 [ 5033.811733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5033.811733][ T10] ___sys_sendmsg+0xee/0x170 [ 5033.811733][ T10] __sys_sendmsg+0xcd/0x170 [ 5033.811733][ T10] do_syscall_64+0xc6/0x1e0 [ 5033.811733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5033.811733][ T10] [ 5033.813968][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5033.813968][ T10] netdev_get_by_index+0x5e/0x80 [ 5033.813968][ T10] fib6_nh_init+0x3d8/0x1580 [ 5033.813968][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5033.813968][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5033.813968][ T10] ipv6_add_addr+0x411/0x2000 [ 5033.813968][ T10] inet6_addr_add+0x30e/0xa40 [ 5033.813968][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5033.813968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5033.813968][ T10] netlink_rcv_skb+0x130/0x360 [ 5033.813968][ T10] netlink_unicast+0x449/0x710 [ 5033.813968][ T10] netlink_sendmsg+0x723/0xbe0 [ 5033.813968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5033.813968][ T10] ___sys_sendmsg+0xee/0x170 [ 5033.813968][ T10] __sys_sendmsg+0xcd/0x170 [ 5033.813968][ T10] do_syscall_64+0xc6/0x1e0 [ 5033.813968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5033.813968][ T10] [ 5033.816864][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5033.816864][ T10] netdev_get_by_index+0x5e/0x80 [ 5033.816864][ T10] fib6_nh_init+0x3d8/0x1580 [ 5033.816864][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5033.816864][ T10] ip6_route_add+0x1c/0x140 [ 5033.816864][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5033.816864][ T10] addrconf_add_dev+0xe2/0x170 [ 5033.816864][ T10] inet6_addr_add+0x12f/0xa40 [ 5033.816864][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5033.816864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5033.816864][ T10] netlink_rcv_skb+0x130/0x360 [ 5033.816864][ T10] netlink_unicast+0x449/0x710 [ 5033.816864][ T10] netlink_sendmsg+0x723/0xbe0 [ 5033.816864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5033.816864][ T10] ___sys_sendmsg+0xee/0x170 [ 5033.816864][ T10] __sys_sendmsg+0xcd/0x170 [ 5033.816864][ T10] do_syscall_64+0xc6/0x1e0 [ 5033.816864][ T10] [ 5033.819063][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5033.819063][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5033.819063][ T10] ipv6_find_idev+0x102/0x170 [ 5033.819063][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5033.819063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5033.819063][ T10] netlink_rcv_skb+0x130/0x360 [ 5033.819063][ T10] netlink_unicast+0x449/0x710 [ 5033.819063][ T10] netlink_sendmsg+0x723/0xbe0 [ 5033.819063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5033.819063][ T10] ___sys_sendmsg+0xee/0x170 [ 5033.819063][ T10] __sys_sendmsg+0xcd/0x170 [ 5033.819063][ T10] do_syscall_64+0xc6/0x1e0 [ 5033.819063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5033.819063][ T10] [ 5033.820766][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5033.820766][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5033.820766][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5033.820766][ T10] ipv6_find_idev+0x102/0x170 [ 5033.820766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5033.820766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5033.820766][ T10] netlink_rcv_skb+0x130/0x360 [ 5033.820766][ T10] netlink_unicast+0x449/0x710 [ 5033.820766][ T10] netlink_sendmsg+0x723/0xbe0 [ 5033.820766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5033.820766][ T10] ___sys_sendmsg+0xee/0x170 [ 5033.820766][ T10] __sys_sendmsg+0xcd/0x170 [ 5033.820766][ T10] do_syscall_64+0xc6/0x1e0 [ 5033.820766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5033.820766][ T10] [ 5033.822655][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5033.822929][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5033.822929][ T10] netdev_get_by_index+0x5e/0x80 [ 5033.822929][ T10] fib6_nh_init+0x3d8/0x1580 [ 5033.822929][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5033.822929][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5033.822929][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5033.822929][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5033.822929][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5033.822929][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5033.822929][ T10] addrconf_dad_begin+0x310/0x670 [ 5033.822929][ T10] addrconf_dad_work+0x10b/0xab0 [ 5033.822929][ T10] process_one_work+0x84d/0x18a0 [ 5033.822929][ T10] worker_thread+0x587/0xd30 [ 5033.822929][ T10] kthread+0x28a/0x350 [ 5033.822929][ T10] ret_from_fork+0x31/0x70 [ 5033.822929][ T10] ret_from_fork_asm+0x1a/0x30 [ 5033.822929][ T10] [ 5033.825066][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5033.825066][ T10] netdev_get_by_index+0x5e/0x80 [ 5033.825066][ T10] fib6_nh_init+0x3d8/0x1580 [ 5033.825066][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5033.825066][ T10] ip6_route_add+0x1c/0x140 [ 5033.825066][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5033.825066][ T10] inet6_addr_add+0x4f8/0xa40 [ 5033.825066][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5033.825066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5033.825066][ T10] netlink_rcv_skb+0x130/0x360 [ 5033.825066][ T10] netlink_unicast+0x449/0x710 [ 5033.825066][ T10] netlink_sendmsg+0x723/0xbe0 [ 5033.825066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5033.825066][ T10] ___sys_sendmsg+0xee/0x170 [ 5033.825066][ T10] __sys_sendmsg+0xcd/0x170 [ 5033.825066][ T10] do_syscall_64+0xc6/0x1e0 [ 5033.825066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5033.825066][ T10] [ 5033.827304][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5033.827304][ T10] netdev_get_by_index+0x5e/0x80 [ 5033.827304][ T10] fib6_nh_init+0x3d8/0x1580 [ 5033.827304][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5033.827304][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5033.827304][ T10] ipv6_add_addr+0x411/0x2000 [ 5033.827304][ T10] inet6_addr_add+0x30e/0xa40 [ 5033.827304][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5033.827304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5033.827304][ T10] netlink_rcv_skb+0x130/0x360 [ 5033.827304][ T10] netlink_unicast+0x449/0x710 [ 5033.827304][ T10] netlink_sendmsg+0x723/0xbe0 [ 5033.827304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5033.827304][ T10] ___sys_sendmsg+0xee/0x170 [ 5033.827304][ T10] __sys_sendmsg+0xcd/0x170 [ 5033.827304][ T10] do_syscall_64+0xc6/0x1e0 [ 5033.827304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5033.827304][ T10] [ 5033.829554][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5033.829554][ T10] netdev_get_by_index+0x5e/0x80 [ 5033.829554][ T10] fib6_nh_init+0x3d8/0x1580 [ 5033.829554][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5033.829554][ T10] ip6_route_add+0x1c/0x140 [ 5033.829554][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5033.829554][ T10] addrconf_add_dev+0xe2/0x170 [ 5033.829554][ T10] inet6_addr_add+0x12f/0xa40 [ 5033.829554][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5033.829554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5033.829554][ T10] netlink_rcv_skb+0x130/0x360 [ 5033.829554][ T10] netlink_unicast+0x449/0x710 [ 5033.829554][ T10] netlink_sendmsg+0x723/0xbe0 [ 5033.829554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5033.829554][ T10] ___sys_sendmsg+0xee/0x170 [ 5033.829554][ T10] __sys_sendmsg+0xcd/0x170 [ 5033.829554][ T10] do_syscall_64+0xc6/0x1e0 [ 5033.829554][ T10] [ 5033.831761][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5033.831761][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5033.831761][ T10] ipv6_find_idev+0x102/0x170 [ 5033.831761][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5033.831761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5033.831761][ T10] netlink_rcv_skb+0x130/0x360 [ 5033.831761][ T10] netlink_unicast+0x449/0x710 [ 5033.831761][ T10] netlink_sendmsg+0x723/0xbe0 [ 5033.831761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5033.831761][ T10] ___sys_sendmsg+0xee/0x170 [ 5033.831761][ T10] __sys_sendmsg+0xcd/0x170 [ 5033.831761][ T10] do_syscall_64+0xc6/0x1e0 [ 5033.831761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5033.831761][ T10] [ 5033.833484][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5033.833484][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5033.833484][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5033.833484][ T10] ipv6_find_idev+0x102/0x170 [ 5033.833484][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5033.833484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5033.833484][ T10] netlink_rcv_skb+0x130/0x360 [ 5033.833484][ T10] netlink_unicast+0x449/0x710 [ 5033.833484][ T10] netlink_sendmsg+0x723/0xbe0 [ 5033.833484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5033.833484][ T10] ___sys_sendmsg+0xee/0x170 [ 5033.833484][ T10] __sys_sendmsg+0xcd/0x170 [ 5033.833484][ T10] do_syscall_64+0xc6/0x1e0 [ 5033.833484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5033.833484][ T10] [ 5033.835402][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5033.835671][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5033.835671][ T10] netdev_get_by_index+0x5e/0x80 [ 5033.835671][ T10] fib6_nh_init+0x3d8/0x1580 [ 5033.835671][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5033.835671][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5033.835671][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5033.835671][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5033.835671][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5033.835671][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5033.835671][ T10] addrconf_dad_begin+0x310/0x670 [ 5033.835671][ T10] addrconf_dad_work+0x10b/0xab0 [ 5033.835671][ T10] process_one_work+0x84d/0x18a0 [ 5033.835671][ T10] worker_thread+0x587/0xd30 [ 5033.835671][ T10] kthread+0x28a/0x350 [ 5033.835671][ T10] ret_from_fork+0x31/0x70 [ 5033.835671][ T10] ret_from_fork_asm+0x1a/0x30 [ 5033.835671][ T10] [ 5033.837832][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5033.837832][ T10] netdev_get_by_index+0x5e/0x80 [ 5033.837832][ T10] fib6_nh_init+0x3d8/0x1580 [ 5033.837832][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5033.837832][ T10] ip6_route_add+0x1c/0x140 [ 5033.837832][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5033.837832][ T10] inet6_addr_add+0x4f8/0xa40 [ 5033.837832][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5033.837832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5033.837832][ T10] netlink_rcv_skb+0x130/0x360 [ 5033.837832][ T10] netlink_unicast+0x449/0x710 [ 5033.837832][ T10] netlink_sendmsg+0x723/0xbe0 [ 5033.837832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5033.837832][ T10] ___sys_sendmsg+0xee/0x170 [ 5033.837832][ T10] __sys_sendmsg+0xcd/0x170 [ 5033.837832][ T10] do_syscall_64+0xc6/0x1e0 [ 5033.837832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5033.837832][ T10] [ 5033.840229][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5033.840229][ T10] netdev_get_by_index+0x5e/0x80 [ 5033.840229][ T10] fib6_nh_init+0x3d8/0x1580 [ 5033.840229][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5033.840229][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5033.840229][ T10] ipv6_add_addr+0x411/0x2000 [ 5033.840229][ T10] inet6_addr_add+0x30e/0xa40 [ 5033.840229][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5033.840229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5033.840229][ T10] netlink_rcv_skb+0x130/0x360 [ 5033.840229][ T10] netlink_unicast+0x449/0x710 [ 5033.840229][ T10] netlink_sendmsg+0x723/0xbe0 [ 5033.840229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5033.840229][ T10] ___sys_sendmsg+0xee/0x170 [ 5033.840229][ T10] __sys_sendmsg+0xcd/0x170 [ 5033.840229][ T10] do_syscall_64+0xc6/0x1e0 [ 5033.840229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5033.840229][ T10] [ 5033.842613][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5033.842613][ T10] netdev_get_by_index+0x5e/0x80 [ 5033.842613][ T10] fib6_nh_init+0x3d8/0x1580 [ 5033.842613][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5033.842613][ T10] ip6_route_add+0x1c/0x140 [ 5033.842613][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5033.842613][ T10] addrconf_add_dev+0xe2/0x170 [ 5033.842613][ T10] inet6_addr_add+0x12f/0xa40 [ 5033.842613][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5033.842613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5033.842613][ T10] netlink_rcv_skb+0x130/0x360 [ 5033.842613][ T10] netlink_unicast+0x449/0x710 [ 5033.842613][ T10] netlink_sendmsg+0x723/0xbe0 [ 5033.842613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5033.842613][ T10] ___sys_sendmsg+0xee/0x170 [ 5033.842613][ T10] __sys_sendmsg+0xcd/0x170 [ 5033.842613][ T10] do_syscall_64+0xc6/0x1e0 [ 5033.842613][ T10] [ 5033.844977][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5033.844977][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5033.844977][ T10] ipv6_find_idev+0x102/0x170 [ 5033.844977][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5033.844977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5033.844977][ T10] netlink_rcv_skb+0x130/0x360 [ 5033.844977][ T10] netlink_unicast+0x449/0x710 [ 5033.844977][ T10] netlink_sendmsg+0x723/0xbe0 [ 5033.844977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5033.844977][ T10] ___sys_sendmsg+0xee/0x170 [ 5033.844977][ T10] __sys_sendmsg+0xcd/0x170 [ 5033.844977][ T10] do_syscall_64+0xc6/0x1e0 [ 5033.844977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5033.844977][ T10] [ 5033.846767][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5033.846767][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5033.846767][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5033.846767][ T10] ipv6_find_idev+0x102/0x170 [ 5033.846767][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5033.846767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5033.846767][ T10] netlink_rcv_skb+0x130/0x360 [ 5033.846767][ T10] netlink_unicast+0x449/0x710 [ 5033.846767][ T10] netlink_sendmsg+0x723/0xbe0 [ 5033.846767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5033.846767][ T10] ___sys_sendmsg+0xee/0x170 [ 5033.846767][ T10] __sys_sendmsg+0xcd/0x170 [ 5033.846767][ T10] do_syscall_64+0xc6/0x1e0 [ 5033.846767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5033.846767][ T10] [ 5033.848853][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5033.849189][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5033.849189][ T10] netdev_get_by_index+0x5e/0x80 [ 5033.849189][ T10] fib6_nh_init+0x3d8/0x1580 [ 5033.849189][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5033.849189][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5033.849189][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5033.849189][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5033.849189][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5033.849189][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5033.849189][ T10] addrconf_dad_begin+0x310/0x670 [ 5033.849189][ T10] addrconf_dad_work+0x10b/0xab0 [ 5033.849189][ T10] process_one_work+0x84d/0x18a0 [ 5033.849189][ T10] worker_thread+0x587/0xd30 [ 5033.849189][ T10] kthread+0x28a/0x350 [ 5033.849189][ T10] ret_from_fork+0x31/0x70 [ 5033.849189][ T10] ret_from_fork_asm+0x1a/0x30 [ 5033.849189][ T10] [ 5033.851528][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5033.851528][ T10] netdev_get_by_index+0x5e/0x80 [ 5033.851528][ T10] fib6_nh_init+0x3d8/0x1580 [ 5033.851528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5033.851528][ T10] ip6_route_add+0x1c/0x140 [ 5033.851528][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5033.851528][ T10] inet6_addr_add+0x4f8/0xa40 [ 5033.851528][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5033.851528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5033.851528][ T10] netlink_rcv_skb+0x130/0x360 [ 5033.851528][ T10] netlink_unicast+0x449/0x710 [ 5033.851528][ T10] netlink_sendmsg+0x723/0xbe0 [ 5033.851528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5033.851528][ T10] ___sys_sendmsg+0xee/0x170 [ 5033.851528][ T10] __sys_sendmsg+0xcd/0x170 [ 5033.851528][ T10] do_syscall_64+0xc6/0x1e0 [ 5033.851528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5033.851528][ T10] [ 5033.854039][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5033.854039][ T10] netdev_get_by_index+0x5e/0x80 [ 5033.854039][ T10] fib6_nh_init+0x3d8/0x1580 [ 5033.854039][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5033.854039][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5033.854039][ T10] ipv6_add_addr+0x411/0x2000 [ 5033.854039][ T10] inet6_addr_add+0x30e/0xa40 [ 5033.854039][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5033.854039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5033.854039][ T10] netlink_rcv_skb+0x130/0x360 [ 5033.854039][ T10] netlink_unicast+0x449/0x710 [ 5033.854039][ T10] netlink_sendmsg+0x723/0xbe0 [ 5033.854039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5033.854039][ T10] ___sys_sendmsg+0xee/0x170 [ 5033.854039][ T10] __sys_sendmsg+0xcd/0x170 [ 5033.854039][ T10] do_syscall_64+0xc6/0x1e0 [ 5033.854039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5033.854039][ T10] [ 5033.856523][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5033.856523][ T10] netdev_get_by_index+0x5e/0x80 [ 5033.856523][ T10] fib6_nh_init+0x3d8/0x1580 [ 5033.856523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5033.856523][ T10] ip6_route_add+0x1c/0x140 [ 5033.856523][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5033.856523][ T10] addrconf_add_dev+0xe2/0x170 [ 5033.856523][ T10] inet6_addr_add+0x12f/0xa40 [ 5033.856523][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5033.856523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5033.856523][ T10] netlink_rcv_skb+0x130/0x360 [ 5033.856523][ T10] netlink_unicast+0x449/0x710 [ 5033.856523][ T10] netlink_sendmsg+0x723/0xbe0 [ 5033.856523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5033.856523][ T10] ___sys_sendmsg+0xee/0x170 [ 5033.856523][ T10] __sys_sendmsg+0xcd/0x170 [ 5033.856523][ T10] do_syscall_64+0xc6/0x1e0 [ 5033.856523][ T10] [ 5033.858940][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5033.858940][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5033.858940][ T10] ipv6_find_idev+0x102/0x170 [ 5033.858940][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5033.858940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5033.858940][ T10] netlink_rcv_skb+0x130/0x360 [ 5033.858940][ T10] netlink_unicast+0x449/0x710 [ 5033.858940][ T10] netlink_sendmsg+0x723/0xbe0 [ 5033.858940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5033.858940][ T10] ___sys_sendmsg+0xee/0x170 [ 5033.858940][ T10] __sys_sendmsg+0xcd/0x170 [ 5033.858940][ T10] do_syscall_64+0xc6/0x1e0 [ 5033.858940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5033.858940][ T10] [ 5033.860781][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5033.860781][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5033.860781][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5033.860781][ T10] ipv6_find_idev+0x102/0x170 [ 5033.860781][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5033.860781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5033.860781][ T10] netlink_rcv_skb+0x130/0x360 [ 5033.860781][ T10] netlink_unicast+0x449/0x710 [ 5033.860781][ T10] netlink_sendmsg+0x723/0xbe0 [ 5033.860781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5033.860781][ T10] ___sys_sendmsg+0xee/0x170 [ 5033.860781][ T10] __sys_sendmsg+0xcd/0x170 [ 5033.860781][ T10] do_syscall_64+0xc6/0x1e0 [ 5033.860781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5033.860781][ T10] [ 5037.129133][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5037.129641][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5037.129641][ T1167] dst_init+0x84/0x4a0 [ 5037.129641][ T1167] dst_alloc+0x97/0x150 [ 5037.129641][ T1167] ip6_dst_alloc+0x23/0x90 [ 5037.129641][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5037.129641][ T1167] ip6_pol_route+0x56f/0x840 [ 5037.129641][ T1167] fib6_rule_lookup+0x334/0x630 [ 5037.129641][ T1167] ip6_route_output_flags+0x259/0x480 [ 5037.129641][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5037.129641][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5037.129641][ T1167] netlink_rcv_skb+0x130/0x360 [ 5037.129641][ T1167] netlink_unicast+0x449/0x710 [ 5037.129641][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5037.129641][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5037.129641][ T1167] ___sys_sendmsg+0xee/0x170 [ 5037.129641][ T1167] __sys_sendmsg+0xcd/0x170 [ 5037.129641][ T1167] do_syscall_64+0xc6/0x1e0 [ 5037.129641][ T1167] [ 5037.131900][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5037.131900][ T1167] netdev_get_by_index+0x5e/0x80 [ 5037.131900][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5037.131900][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5037.131900][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5037.131900][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5037.131900][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5037.131900][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5037.131900][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5037.131900][ T1167] addrconf_dad_begin+0x310/0x670 [ 5037.131900][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5037.131900][ T1167] process_one_work+0x84d/0x18a0 [ 5037.131900][ T1167] worker_thread+0x587/0xd30 [ 5037.131900][ T1167] kthread+0x28a/0x350 [ 5037.131900][ T1167] ret_from_fork+0x31/0x70 [ 5037.131900][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5037.131900][ T1167] [ 5037.134061][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5037.134061][ T1167] netdev_get_by_index+0x5e/0x80 [ 5037.134061][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5037.134061][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5037.134061][ T1167] ip6_route_add+0x1c/0x140 [ 5037.134061][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5037.134061][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5037.134061][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5037.134061][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5037.134061][ T1167] netlink_rcv_skb+0x130/0x360 [ 5037.134061][ T1167] netlink_unicast+0x449/0x710 [ 5037.134061][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5037.134061][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5037.134061][ T1167] ___sys_sendmsg+0xee/0x170 [ 5037.134061][ T1167] __sys_sendmsg+0xcd/0x170 [ 5037.134061][ T1167] do_syscall_64+0xc6/0x1e0 [ 5037.134061][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5037.134061][ T1167] [ 5037.136339][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5037.136339][ T1167] netdev_get_by_index+0x5e/0x80 [ 5037.136339][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5037.136339][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5037.136339][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5037.136339][ T1167] ipv6_add_addr+0x411/0x2000 [ 5037.136339][ T1167] inet6_addr_add+0x30e/0xa40 [ 5037.136339][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5037.136339][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5037.136339][ T1167] netlink_rcv_skb+0x130/0x360 [ 5037.136339][ T1167] netlink_unicast+0x449/0x710 [ 5037.136339][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5037.136339][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5037.136339][ T1167] ___sys_sendmsg+0xee/0x170 [ 5037.136339][ T1167] __sys_sendmsg+0xcd/0x170 [ 5037.136339][ T1167] do_syscall_64+0xc6/0x1e0 [ 5037.136339][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5037.136339][ T1167] [ 5037.138603][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5037.138603][ T1167] netdev_get_by_index+0x5e/0x80 [ 5037.138603][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5037.138603][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5037.138603][ T1167] ip6_route_add+0x1c/0x140 [ 5037.138603][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5037.138603][ T1167] addrconf_add_dev+0xe2/0x170 [ 5037.138603][ T1167] inet6_addr_add+0x12f/0xa40 [ 5037.138603][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5037.138603][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5037.138603][ T1167] netlink_rcv_skb+0x130/0x360 [ 5037.138603][ T1167] netlink_unicast+0x449/0x710 [ 5037.138603][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5037.138603][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5037.138603][ T1167] ___sys_sendmsg+0xee/0x170 [ 5037.138603][ T1167] __sys_sendmsg+0xcd/0x170 [ 5037.138603][ T1167] do_syscall_64+0xc6/0x1e0 [ 5037.138603][ T1167] [ 5037.140819][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5037.140819][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5037.140819][ T1167] ipv6_find_idev+0x102/0x170 [ 5037.140819][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5037.140819][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5037.140819][ T1167] netlink_rcv_skb+0x130/0x360 [ 5037.140819][ T1167] netlink_unicast+0x449/0x710 [ 5037.140819][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5037.140819][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5037.140819][ T1167] ___sys_sendmsg+0xee/0x170 [ 5037.140819][ T1167] __sys_sendmsg+0xcd/0x170 [ 5037.140819][ T1167] do_syscall_64+0xc6/0x1e0 [ 5037.140819][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5037.140819][ T1167] [ 5037.142555][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5037.142555][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5037.142555][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5037.142555][ T1167] ipv6_find_idev+0x102/0x170 [ 5037.142555][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5037.142555][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5037.142555][ T1167] netlink_rcv_skb+0x130/0x360 [ 5037.142555][ T1167] netlink_unicast+0x449/0x710 [ 5037.142555][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5037.142555][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5037.142555][ T1167] ___sys_sendmsg+0xee/0x170 [ 5037.142555][ T1167] __sys_sendmsg+0xcd/0x170 [ 5037.142555][ T1167] do_syscall_64+0xc6/0x1e0 [ 5037.142555][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5037.142555][ T1167] [ 5044.105136][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5044.105622][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5044.105622][ T10] netdev_get_by_index+0x5e/0x80 [ 5044.105622][ T10] fib6_nh_init+0x3d8/0x1580 [ 5044.105622][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5044.105622][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5044.105622][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5044.105622][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5044.105622][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5044.105622][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5044.105622][ T10] addrconf_dad_begin+0x310/0x670 [ 5044.105622][ T10] addrconf_dad_work+0x10b/0xab0 [ 5044.105622][ T10] process_one_work+0x84d/0x18a0 [ 5044.105622][ T10] worker_thread+0x587/0xd30 [ 5044.105622][ T10] kthread+0x28a/0x350 [ 5044.105622][ T10] ret_from_fork+0x31/0x70 [ 5044.105622][ T10] ret_from_fork_asm+0x1a/0x30 [ 5044.105622][ T10] [ 5044.107791][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5044.107791][ T10] netdev_get_by_index+0x5e/0x80 [ 5044.107791][ T10] fib6_nh_init+0x3d8/0x1580 [ 5044.107791][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5044.107791][ T10] ip6_route_add+0x1c/0x140 [ 5044.107791][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5044.107791][ T10] inet6_addr_add+0x4f8/0xa40 [ 5044.107791][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5044.107791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5044.107791][ T10] netlink_rcv_skb+0x130/0x360 [ 5044.107791][ T10] netlink_unicast+0x449/0x710 [ 5044.107791][ T10] netlink_sendmsg+0x723/0xbe0 [ 5044.107791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5044.107791][ T10] ___sys_sendmsg+0xee/0x170 [ 5044.107791][ T10] __sys_sendmsg+0xcd/0x170 [ 5044.107791][ T10] do_syscall_64+0xc6/0x1e0 [ 5044.107791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5044.107791][ T10] [ 5044.110037][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5044.110037][ T10] netdev_get_by_index+0x5e/0x80 [ 5044.110037][ T10] fib6_nh_init+0x3d8/0x1580 [ 5044.110037][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5044.110037][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5044.110037][ T10] ipv6_add_addr+0x411/0x2000 [ 5044.110037][ T10] inet6_addr_add+0x30e/0xa40 [ 5044.110037][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5044.110037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5044.110037][ T10] netlink_rcv_skb+0x130/0x360 [ 5044.110037][ T10] netlink_unicast+0x449/0x710 [ 5044.110037][ T10] netlink_sendmsg+0x723/0xbe0 [ 5044.110037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5044.110037][ T10] ___sys_sendmsg+0xee/0x170 [ 5044.110037][ T10] __sys_sendmsg+0xcd/0x170 [ 5044.110037][ T10] do_syscall_64+0xc6/0x1e0 [ 5044.110037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5044.110037][ T10] [ 5044.112280][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5044.112280][ T10] netdev_get_by_index+0x5e/0x80 [ 5044.112280][ T10] fib6_nh_init+0x3d8/0x1580 [ 5044.112280][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5044.112280][ T10] ip6_route_add+0x1c/0x140 [ 5044.112280][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5044.112280][ T10] addrconf_add_dev+0xe2/0x170 [ 5044.112280][ T10] inet6_addr_add+0x12f/0xa40 [ 5044.112280][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5044.112280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5044.112280][ T10] netlink_rcv_skb+0x130/0x360 [ 5044.112280][ T10] netlink_unicast+0x449/0x710 [ 5044.112280][ T10] netlink_sendmsg+0x723/0xbe0 [ 5044.112280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5044.112280][ T10] ___sys_sendmsg+0xee/0x170 [ 5044.112280][ T10] __sys_sendmsg+0xcd/0x170 [ 5044.112280][ T10] do_syscall_64+0xc6/0x1e0 [ 5044.112280][ T10] [ 5044.118071][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5044.118071][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5044.118071][ T10] ipv6_find_idev+0x102/0x170 [ 5044.118071][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5044.118071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5044.118071][ T10] netlink_rcv_skb+0x130/0x360 [ 5044.118071][ T10] netlink_unicast+0x449/0x710 [ 5044.118071][ T10] netlink_sendmsg+0x723/0xbe0 [ 5044.118071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5044.118071][ T10] ___sys_sendmsg+0xee/0x170 [ 5044.118071][ T10] __sys_sendmsg+0xcd/0x170 [ 5044.118071][ T10] do_syscall_64+0xc6/0x1e0 [ 5044.118071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5044.118071][ T10] [ 5044.119786][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5044.119786][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5044.119786][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5044.119786][ T10] ipv6_find_idev+0x102/0x170 [ 5044.119786][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5044.119786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5044.119786][ T10] netlink_rcv_skb+0x130/0x360 [ 5044.119786][ T10] netlink_unicast+0x449/0x710 [ 5044.119786][ T10] netlink_sendmsg+0x723/0xbe0 [ 5044.119786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5044.119786][ T10] ___sys_sendmsg+0xee/0x170 [ 5044.119786][ T10] __sys_sendmsg+0xcd/0x170 [ 5044.119786][ T10] do_syscall_64+0xc6/0x1e0 [ 5044.119786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5044.119786][ T10] [ 5044.121684][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5044.121981][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5044.121981][ T10] netdev_get_by_index+0x5e/0x80 [ 5044.121981][ T10] fib6_nh_init+0x3d8/0x1580 [ 5044.121981][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5044.121981][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5044.121981][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5044.121981][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5044.121981][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5044.121981][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5044.121981][ T10] addrconf_dad_begin+0x310/0x670 [ 5044.121981][ T10] addrconf_dad_work+0x10b/0xab0 [ 5044.121981][ T10] process_one_work+0x84d/0x18a0 [ 5044.121981][ T10] worker_thread+0x587/0xd30 [ 5044.121981][ T10] kthread+0x28a/0x350 [ 5044.121981][ T10] ret_from_fork+0x31/0x70 [ 5044.121981][ T10] ret_from_fork_asm+0x1a/0x30 [ 5044.121981][ T10] [ 5044.124118][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5044.124118][ T10] netdev_get_by_index+0x5e/0x80 [ 5044.124118][ T10] fib6_nh_init+0x3d8/0x1580 [ 5044.124118][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5044.124118][ T10] ip6_route_add+0x1c/0x140 [ 5044.124118][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5044.124118][ T10] inet6_addr_add+0x4f8/0xa40 [ 5044.124118][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5044.124118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5044.124118][ T10] netlink_rcv_skb+0x130/0x360 [ 5044.124118][ T10] netlink_unicast+0x449/0x710 [ 5044.124118][ T10] netlink_sendmsg+0x723/0xbe0 [ 5044.124118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5044.124118][ T10] ___sys_sendmsg+0xee/0x170 [ 5044.124118][ T10] __sys_sendmsg+0xcd/0x170 [ 5044.124118][ T10] do_syscall_64+0xc6/0x1e0 [ 5044.124118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5044.124118][ T10] [ 5044.126363][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5044.126363][ T10] netdev_get_by_index+0x5e/0x80 [ 5044.126363][ T10] fib6_nh_init+0x3d8/0x1580 [ 5044.126363][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5044.126363][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5044.126363][ T10] ipv6_add_addr+0x411/0x2000 [ 5044.126363][ T10] inet6_addr_add+0x30e/0xa40 [ 5044.126363][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5044.126363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5044.126363][ T10] netlink_rcv_skb+0x130/0x360 [ 5044.126363][ T10] netlink_unicast+0x449/0x710 [ 5044.126363][ T10] netlink_sendmsg+0x723/0xbe0 [ 5044.126363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5044.126363][ T10] ___sys_sendmsg+0xee/0x170 [ 5044.126363][ T10] __sys_sendmsg+0xcd/0x170 [ 5044.126363][ T10] do_syscall_64+0xc6/0x1e0 [ 5044.126363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5044.126363][ T10] [ 5044.128591][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5044.128591][ T10] netdev_get_by_index+0x5e/0x80 [ 5044.128591][ T10] fib6_nh_init+0x3d8/0x1580 [ 5044.128591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5044.128591][ T10] ip6_route_add+0x1c/0x140 [ 5044.128591][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5044.128591][ T10] addrconf_add_dev+0xe2/0x170 [ 5044.128591][ T10] inet6_addr_add+0x12f/0xa40 [ 5044.128591][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5044.128591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5044.128591][ T10] netlink_rcv_skb+0x130/0x360 [ 5044.128591][ T10] netlink_unicast+0x449/0x710 [ 5044.128591][ T10] netlink_sendmsg+0x723/0xbe0 [ 5044.128591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5044.128591][ T10] ___sys_sendmsg+0xee/0x170 [ 5044.128591][ T10] __sys_sendmsg+0xcd/0x170 [ 5044.128591][ T10] do_syscall_64+0xc6/0x1e0 [ 5044.128591][ T10] [ 5044.130793][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5044.130793][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5044.130793][ T10] ipv6_find_idev+0x102/0x170 [ 5044.130793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5044.130793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5044.130793][ T10] netlink_rcv_skb+0x130/0x360 [ 5044.130793][ T10] netlink_unicast+0x449/0x710 [ 5044.130793][ T10] netlink_sendmsg+0x723/0xbe0 [ 5044.130793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5044.130793][ T10] ___sys_sendmsg+0xee/0x170 [ 5044.130793][ T10] __sys_sendmsg+0xcd/0x170 [ 5044.130793][ T10] do_syscall_64+0xc6/0x1e0 [ 5044.130793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5044.130793][ T10] [ 5044.132515][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5044.132515][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5044.132515][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5044.132515][ T10] ipv6_find_idev+0x102/0x170 [ 5044.132515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5044.132515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5044.132515][ T10] netlink_rcv_skb+0x130/0x360 [ 5044.132515][ T10] netlink_unicast+0x449/0x710 [ 5044.132515][ T10] netlink_sendmsg+0x723/0xbe0 [ 5044.132515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5044.132515][ T10] ___sys_sendmsg+0xee/0x170 [ 5044.132515][ T10] __sys_sendmsg+0xcd/0x170 [ 5044.132515][ T10] do_syscall_64+0xc6/0x1e0 [ 5044.132515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5044.132515][ T10] [ 5044.134409][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5044.134669][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5044.134669][ T10] netdev_get_by_index+0x5e/0x80 [ 5044.134669][ T10] fib6_nh_init+0x3d8/0x1580 [ 5044.134669][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5044.134669][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5044.134669][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5044.134669][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5044.134669][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5044.134669][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5044.134669][ T10] addrconf_dad_begin+0x310/0x670 [ 5044.134669][ T10] addrconf_dad_work+0x10b/0xab0 [ 5044.134669][ T10] process_one_work+0x84d/0x18a0 [ 5044.134669][ T10] worker_thread+0x587/0xd30 [ 5044.134669][ T10] kthread+0x28a/0x350 [ 5044.134669][ T10] ret_from_fork+0x31/0x70 [ 5044.134669][ T10] ret_from_fork_asm+0x1a/0x30 [ 5044.134669][ T10] [ 5044.136815][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5044.136815][ T10] netdev_get_by_index+0x5e/0x80 [ 5044.136815][ T10] fib6_nh_init+0x3d8/0x1580 [ 5044.136815][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5044.136815][ T10] ip6_route_add+0x1c/0x140 [ 5044.136815][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5044.136815][ T10] inet6_addr_add+0x4f8/0xa40 [ 5044.136815][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5044.136815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5044.136815][ T10] netlink_rcv_skb+0x130/0x360 [ 5044.136815][ T10] netlink_unicast+0x449/0x710 [ 5044.136815][ T10] netlink_sendmsg+0x723/0xbe0 [ 5044.136815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5044.136815][ T10] ___sys_sendmsg+0xee/0x170 [ 5044.136815][ T10] __sys_sendmsg+0xcd/0x170 [ 5044.136815][ T10] do_syscall_64+0xc6/0x1e0 [ 5044.136815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5044.136815][ T10] [ 5044.139241][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5044.139241][ T10] netdev_get_by_index+0x5e/0x80 [ 5044.139241][ T10] fib6_nh_init+0x3d8/0x1580 [ 5044.139241][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5044.139241][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5044.139241][ T10] ipv6_add_addr+0x411/0x2000 [ 5044.139241][ T10] inet6_addr_add+0x30e/0xa40 [ 5044.139241][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5044.139241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5044.139241][ T10] netlink_rcv_skb+0x130/0x360 [ 5044.139241][ T10] netlink_unicast+0x449/0x710 [ 5044.139241][ T10] netlink_sendmsg+0x723/0xbe0 [ 5044.139241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5044.139241][ T10] ___sys_sendmsg+0xee/0x170 [ 5044.139241][ T10] __sys_sendmsg+0xcd/0x170 [ 5044.139241][ T10] do_syscall_64+0xc6/0x1e0 [ 5044.139241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5044.139241][ T10] [ 5044.141775][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5044.141775][ T10] netdev_get_by_index+0x5e/0x80 [ 5044.141775][ T10] fib6_nh_init+0x3d8/0x1580 [ 5044.141775][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5044.141775][ T10] ip6_route_add+0x1c/0x140 [ 5044.141775][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5044.141775][ T10] addrconf_add_dev+0xe2/0x170 [ 5044.141775][ T10] inet6_addr_add+0x12f/0xa40 [ 5044.141775][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5044.141775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5044.141775][ T10] netlink_rcv_skb+0x130/0x360 [ 5044.141775][ T10] netlink_unicast+0x449/0x710 [ 5044.141775][ T10] netlink_sendmsg+0x723/0xbe0 [ 5044.141775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5044.141775][ T10] ___sys_sendmsg+0xee/0x170 [ 5044.141775][ T10] __sys_sendmsg+0xcd/0x170 [ 5044.141775][ T10] do_syscall_64+0xc6/0x1e0 [ 5044.141775][ T10] [ 5044.144145][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5044.144145][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5044.144145][ T10] ipv6_find_idev+0x102/0x170 [ 5044.144145][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5044.144145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5044.144145][ T10] netlink_rcv_skb+0x130/0x360 [ 5044.144145][ T10] netlink_unicast+0x449/0x710 [ 5044.144145][ T10] netlink_sendmsg+0x723/0xbe0 [ 5044.144145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5044.144145][ T10] ___sys_sendmsg+0xee/0x170 [ 5044.144145][ T10] __sys_sendmsg+0xcd/0x170 [ 5044.144145][ T10] do_syscall_64+0xc6/0x1e0 [ 5044.144145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5044.144145][ T10] [ 5044.146067][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5044.146067][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5044.146067][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5044.146067][ T10] ipv6_find_idev+0x102/0x170 [ 5044.146067][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5044.146067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5044.146067][ T10] netlink_rcv_skb+0x130/0x360 [ 5044.146067][ T10] netlink_unicast+0x449/0x710 [ 5044.146067][ T10] netlink_sendmsg+0x723/0xbe0 [ 5044.146067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5044.146067][ T10] ___sys_sendmsg+0xee/0x170 [ 5044.146067][ T10] __sys_sendmsg+0xcd/0x170 [ 5044.146067][ T10] do_syscall_64+0xc6/0x1e0 [ 5044.146067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5044.146067][ T10] [ 5044.148175][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5044.148435][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5044.148435][ T10] netdev_get_by_index+0x5e/0x80 [ 5044.148435][ T10] fib6_nh_init+0x3d8/0x1580 [ 5044.148435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5044.148435][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5044.148435][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5044.148435][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5044.148435][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5044.148435][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5044.148435][ T10] addrconf_dad_begin+0x310/0x670 [ 5044.148435][ T10] addrconf_dad_work+0x10b/0xab0 [ 5044.148435][ T10] process_one_work+0x84d/0x18a0 [ 5044.148435][ T10] worker_thread+0x587/0xd30 [ 5044.148435][ T10] kthread+0x28a/0x350 [ 5044.148435][ T10] ret_from_fork+0x31/0x70 [ 5044.148435][ T10] ret_from_fork_asm+0x1a/0x30 [ 5044.148435][ T10] [ 5044.150878][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5044.150878][ T10] netdev_get_by_index+0x5e/0x80 [ 5044.150878][ T10] fib6_nh_init+0x3d8/0x1580 [ 5044.150878][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5044.150878][ T10] ip6_route_add+0x1c/0x140 [ 5044.150878][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5044.150878][ T10] inet6_addr_add+0x4f8/0xa40 [ 5044.150878][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5044.150878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5044.150878][ T10] netlink_rcv_skb+0x130/0x360 [ 5044.150878][ T10] netlink_unicast+0x449/0x710 [ 5044.150878][ T10] netlink_sendmsg+0x723/0xbe0 [ 5044.150878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5044.150878][ T10] ___sys_sendmsg+0xee/0x170 [ 5044.150878][ T10] __sys_sendmsg+0xcd/0x170 [ 5044.150878][ T10] do_syscall_64+0xc6/0x1e0 [ 5044.150878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5044.150878][ T10] [ 5044.153351][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5044.153351][ T10] netdev_get_by_index+0x5e/0x80 [ 5044.153351][ T10] fib6_nh_init+0x3d8/0x1580 [ 5044.153351][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5044.153351][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5044.153351][ T10] ipv6_add_addr+0x411/0x2000 [ 5044.153351][ T10] inet6_addr_add+0x30e/0xa40 [ 5044.153351][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5044.153351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5044.153351][ T10] netlink_rcv_skb+0x130/0x360 [ 5044.153351][ T10] netlink_unicast+0x449/0x710 [ 5044.153351][ T10] netlink_sendmsg+0x723/0xbe0 [ 5044.153351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5044.153351][ T10] ___sys_sendmsg+0xee/0x170 [ 5044.153351][ T10] __sys_sendmsg+0xcd/0x170 [ 5044.153351][ T10] do_syscall_64+0xc6/0x1e0 [ 5044.153351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5044.153351][ T10] [ 5044.155770][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5044.155770][ T10] netdev_get_by_index+0x5e/0x80 [ 5044.155770][ T10] fib6_nh_init+0x3d8/0x1580 [ 5044.155770][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5044.155770][ T10] ip6_route_add+0x1c/0x140 [ 5044.155770][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5044.155770][ T10] addrconf_add_dev+0xe2/0x170 [ 5044.155770][ T10] inet6_addr_add+0x12f/0xa40 [ 5044.155770][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5044.155770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5044.155770][ T10] netlink_rcv_skb+0x130/0x360 [ 5044.155770][ T10] netlink_unicast+0x449/0x710 [ 5044.155770][ T10] netlink_sendmsg+0x723/0xbe0 [ 5044.155770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5044.155770][ T10] ___sys_sendmsg+0xee/0x170 [ 5044.155770][ T10] __sys_sendmsg+0xcd/0x170 [ 5044.155770][ T10] do_syscall_64+0xc6/0x1e0 [ 5044.155770][ T10] [ 5044.158216][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5044.158216][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5044.158216][ T10] ipv6_find_idev+0x102/0x170 [ 5044.158216][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5044.158216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5044.158216][ T10] netlink_rcv_skb+0x130/0x360 [ 5044.158216][ T10] netlink_unicast+0x449/0x710 [ 5044.158216][ T10] netlink_sendmsg+0x723/0xbe0 [ 5044.158216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5044.158216][ T10] ___sys_sendmsg+0xee/0x170 [ 5044.158216][ T10] __sys_sendmsg+0xcd/0x170 [ 5044.158216][ T10] do_syscall_64+0xc6/0x1e0 [ 5044.158216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5044.158216][ T10] [ 5044.160132][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5044.160132][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5044.160132][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5044.160132][ T10] ipv6_find_idev+0x102/0x170 [ 5044.160132][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5044.160132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5044.160132][ T10] netlink_rcv_skb+0x130/0x360 [ 5044.160132][ T10] netlink_unicast+0x449/0x710 [ 5044.160132][ T10] netlink_sendmsg+0x723/0xbe0 [ 5044.160132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5044.160132][ T10] ___sys_sendmsg+0xee/0x170 [ 5044.160132][ T10] __sys_sendmsg+0xcd/0x170 [ 5044.160132][ T10] do_syscall_64+0xc6/0x1e0 [ 5044.160132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5044.160132][ T10] [ 5047.393124][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5047.393635][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5047.393635][ T1167] dst_init+0x84/0x4a0 [ 5047.393635][ T1167] dst_alloc+0x97/0x150 [ 5047.393635][ T1167] ip6_dst_alloc+0x23/0x90 [ 5047.393635][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5047.393635][ T1167] ip6_pol_route+0x56f/0x840 [ 5047.393635][ T1167] fib6_rule_lookup+0x334/0x630 [ 5047.393635][ T1167] ip6_route_output_flags+0x259/0x480 [ 5047.393635][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5047.393635][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5047.393635][ T1167] netlink_rcv_skb+0x130/0x360 [ 5047.393635][ T1167] netlink_unicast+0x449/0x710 [ 5047.393635][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5047.393635][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5047.393635][ T1167] ___sys_sendmsg+0xee/0x170 [ 5047.393635][ T1167] __sys_sendmsg+0xcd/0x170 [ 5047.393635][ T1167] do_syscall_64+0xc6/0x1e0 [ 5047.393635][ T1167] [ 5047.395851][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5047.395851][ T1167] netdev_get_by_index+0x5e/0x80 [ 5047.395851][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5047.395851][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5047.395851][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5047.395851][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5047.395851][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5047.395851][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5047.395851][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5047.395851][ T1167] addrconf_dad_begin+0x310/0x670 [ 5047.395851][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5047.395851][ T1167] process_one_work+0x84d/0x18a0 [ 5047.395851][ T1167] worker_thread+0x587/0xd30 [ 5047.395851][ T1167] kthread+0x28a/0x350 [ 5047.395851][ T1167] ret_from_fork+0x31/0x70 [ 5047.395851][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5047.395851][ T1167] [ 5047.398013][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5047.398013][ T1167] netdev_get_by_index+0x5e/0x80 [ 5047.398013][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5047.398013][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5047.398013][ T1167] ip6_route_add+0x1c/0x140 [ 5047.398013][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5047.398013][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5047.398013][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5047.398013][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5047.398013][ T1167] netlink_rcv_skb+0x130/0x360 [ 5047.398013][ T1167] netlink_unicast+0x449/0x710 [ 5047.398013][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5047.398013][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5047.398013][ T1167] ___sys_sendmsg+0xee/0x170 [ 5047.398013][ T1167] __sys_sendmsg+0xcd/0x170 [ 5047.398013][ T1167] do_syscall_64+0xc6/0x1e0 [ 5047.398013][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5047.398013][ T1167] [ 5047.400277][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5047.400277][ T1167] netdev_get_by_index+0x5e/0x80 [ 5047.400277][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5047.400277][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5047.400277][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5047.400277][ T1167] ipv6_add_addr+0x411/0x2000 [ 5047.400277][ T1167] inet6_addr_add+0x30e/0xa40 [ 5047.400277][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5047.400277][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5047.400277][ T1167] netlink_rcv_skb+0x130/0x360 [ 5047.400277][ T1167] netlink_unicast+0x449/0x710 [ 5047.400277][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5047.400277][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5047.400277][ T1167] ___sys_sendmsg+0xee/0x170 [ 5047.400277][ T1167] __sys_sendmsg+0xcd/0x170 [ 5047.400277][ T1167] do_syscall_64+0xc6/0x1e0 [ 5047.400277][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5047.400277][ T1167] [ 5047.402523][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5047.402523][ T1167] netdev_get_by_index+0x5e/0x80 [ 5047.402523][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5047.402523][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5047.402523][ T1167] ip6_route_add+0x1c/0x140 [ 5047.402523][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5047.402523][ T1167] addrconf_add_dev+0xe2/0x170 [ 5047.402523][ T1167] inet6_addr_add+0x12f/0xa40 [ 5047.402523][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5047.402523][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5047.402523][ T1167] netlink_rcv_skb+0x130/0x360 [ 5047.402523][ T1167] netlink_unicast+0x449/0x710 [ 5047.402523][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5047.402523][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5047.402523][ T1167] ___sys_sendmsg+0xee/0x170 [ 5047.402523][ T1167] __sys_sendmsg+0xcd/0x170 [ 5047.402523][ T1167] do_syscall_64+0xc6/0x1e0 [ 5047.402523][ T1167] [ 5047.404734][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5047.404734][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5047.404734][ T1167] ipv6_find_idev+0x102/0x170 [ 5047.404734][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5047.404734][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5047.404734][ T1167] netlink_rcv_skb+0x130/0x360 [ 5047.404734][ T1167] netlink_unicast+0x449/0x710 [ 5047.404734][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5047.404734][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5047.404734][ T1167] ___sys_sendmsg+0xee/0x170 [ 5047.404734][ T1167] __sys_sendmsg+0xcd/0x170 [ 5047.404734][ T1167] do_syscall_64+0xc6/0x1e0 [ 5047.404734][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5047.404734][ T1167] [ 5047.406456][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5047.406456][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5047.406456][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5047.406456][ T1167] ipv6_find_idev+0x102/0x170 [ 5047.406456][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5047.406456][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5047.406456][ T1167] netlink_rcv_skb+0x130/0x360 [ 5047.406456][ T1167] netlink_unicast+0x449/0x710 [ 5047.406456][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5047.406456][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5047.406456][ T1167] ___sys_sendmsg+0xee/0x170 [ 5047.406456][ T1167] __sys_sendmsg+0xcd/0x170 [ 5047.406456][ T1167] do_syscall_64+0xc6/0x1e0 [ 5047.406456][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5047.406456][ T1167] [ 5054.401070][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5054.401443][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5054.401443][ T10] netdev_get_by_index+0x5e/0x80 [ 5054.401443][ T10] fib6_nh_init+0x3d8/0x1580 [ 5054.401443][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5054.401443][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5054.401443][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5054.401443][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5054.401443][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5054.401443][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5054.401443][ T10] addrconf_dad_begin+0x310/0x670 [ 5054.401443][ T10] addrconf_dad_work+0x10b/0xab0 [ 5054.401443][ T10] process_one_work+0x84d/0x18a0 [ 5054.401443][ T10] worker_thread+0x587/0xd30 [ 5054.401443][ T10] kthread+0x28a/0x350 [ 5054.401443][ T10] ret_from_fork+0x31/0x70 [ 5054.401443][ T10] ret_from_fork_asm+0x1a/0x30 [ 5054.401443][ T10] [ 5054.403382][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5054.403382][ T10] netdev_get_by_index+0x5e/0x80 [ 5054.403382][ T10] fib6_nh_init+0x3d8/0x1580 [ 5054.403382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5054.403382][ T10] ip6_route_add+0x1c/0x140 [ 5054.403382][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5054.403382][ T10] inet6_addr_add+0x4f8/0xa40 [ 5054.403382][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5054.403382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5054.403382][ T10] netlink_rcv_skb+0x130/0x360 [ 5054.403382][ T10] netlink_unicast+0x449/0x710 [ 5054.403382][ T10] netlink_sendmsg+0x723/0xbe0 [ 5054.403382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5054.403382][ T10] ___sys_sendmsg+0xee/0x170 [ 5054.403382][ T10] __sys_sendmsg+0xcd/0x170 [ 5054.403382][ T10] do_syscall_64+0xc6/0x1e0 [ 5054.403382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5054.403382][ T10] [ 5054.405433][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5054.405433][ T10] netdev_get_by_index+0x5e/0x80 [ 5054.405433][ T10] fib6_nh_init+0x3d8/0x1580 [ 5054.405433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5054.405433][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5054.405433][ T10] ipv6_add_addr+0x411/0x2000 [ 5054.405433][ T10] inet6_addr_add+0x30e/0xa40 [ 5054.405433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5054.405433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5054.405433][ T10] netlink_rcv_skb+0x130/0x360 [ 5054.405433][ T10] netlink_unicast+0x449/0x710 [ 5054.405433][ T10] netlink_sendmsg+0x723/0xbe0 [ 5054.405433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5054.405433][ T10] ___sys_sendmsg+0xee/0x170 [ 5054.405433][ T10] __sys_sendmsg+0xcd/0x170 [ 5054.405433][ T10] do_syscall_64+0xc6/0x1e0 [ 5054.405433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5054.405433][ T10] [ 5054.407435][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5054.407435][ T10] netdev_get_by_index+0x5e/0x80 [ 5054.407435][ T10] fib6_nh_init+0x3d8/0x1580 [ 5054.407435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5054.407435][ T10] ip6_route_add+0x1c/0x140 [ 5054.407435][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5054.407435][ T10] addrconf_add_dev+0xe2/0x170 [ 5054.407435][ T10] inet6_addr_add+0x12f/0xa40 [ 5054.407435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5054.407435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5054.407435][ T10] netlink_rcv_skb+0x130/0x360 [ 5054.407435][ T10] netlink_unicast+0x449/0x710 [ 5054.407435][ T10] netlink_sendmsg+0x723/0xbe0 [ 5054.407435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5054.407435][ T10] ___sys_sendmsg+0xee/0x170 [ 5054.407435][ T10] __sys_sendmsg+0xcd/0x170 [ 5054.407435][ T10] do_syscall_64+0xc6/0x1e0 [ 5054.407435][ T10] [ 5054.409417][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5054.409417][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5054.409417][ T10] ipv6_find_idev+0x102/0x170 [ 5054.409417][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5054.409417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5054.409417][ T10] netlink_rcv_skb+0x130/0x360 [ 5054.409417][ T10] netlink_unicast+0x449/0x710 [ 5054.409417][ T10] netlink_sendmsg+0x723/0xbe0 [ 5054.409417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5054.409417][ T10] ___sys_sendmsg+0xee/0x170 [ 5054.409417][ T10] __sys_sendmsg+0xcd/0x170 [ 5054.409417][ T10] do_syscall_64+0xc6/0x1e0 [ 5054.409417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5054.409417][ T10] [ 5054.410949][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5054.410949][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5054.410949][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5054.410949][ T10] ipv6_find_idev+0x102/0x170 [ 5054.410949][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5054.410949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5054.410949][ T10] netlink_rcv_skb+0x130/0x360 [ 5054.410949][ T10] netlink_unicast+0x449/0x710 [ 5054.410949][ T10] netlink_sendmsg+0x723/0xbe0 [ 5054.410949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5054.410949][ T10] ___sys_sendmsg+0xee/0x170 [ 5054.410949][ T10] __sys_sendmsg+0xcd/0x170 [ 5054.410949][ T10] do_syscall_64+0xc6/0x1e0 [ 5054.410949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5054.410949][ T10] [ 5054.412630][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5054.412871][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5054.412871][ T10] netdev_get_by_index+0x5e/0x80 [ 5054.412871][ T10] fib6_nh_init+0x3d8/0x1580 [ 5054.412871][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5054.412871][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5054.412871][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5054.412871][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5054.412871][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5054.412871][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5054.412871][ T10] addrconf_dad_begin+0x310/0x670 [ 5054.412871][ T10] addrconf_dad_work+0x10b/0xab0 [ 5054.412871][ T10] process_one_work+0x84d/0x18a0 [ 5054.412871][ T10] worker_thread+0x587/0xd30 [ 5054.412871][ T10] kthread+0x28a/0x350 [ 5054.412871][ T10] ret_from_fork+0x31/0x70 [ 5054.412871][ T10] ret_from_fork_asm+0x1a/0x30 [ 5054.412871][ T10] [ 5054.414809][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5054.414809][ T10] netdev_get_by_index+0x5e/0x80 [ 5054.414809][ T10] fib6_nh_init+0x3d8/0x1580 [ 5054.414809][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5054.414809][ T10] ip6_route_add+0x1c/0x140 [ 5054.414809][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5054.414809][ T10] inet6_addr_add+0x4f8/0xa40 [ 5054.414809][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5054.414809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5054.414809][ T10] netlink_rcv_skb+0x130/0x360 [ 5054.414809][ T10] netlink_unicast+0x449/0x710 [ 5054.414809][ T10] netlink_sendmsg+0x723/0xbe0 [ 5054.414809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5054.414809][ T10] ___sys_sendmsg+0xee/0x170 [ 5054.414809][ T10] __sys_sendmsg+0xcd/0x170 [ 5054.414809][ T10] do_syscall_64+0xc6/0x1e0 [ 5054.414809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5054.414809][ T10] [ 5054.416815][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5054.416815][ T10] netdev_get_by_index+0x5e/0x80 [ 5054.416815][ T10] fib6_nh_init+0x3d8/0x1580 [ 5054.416815][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5054.416815][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5054.416815][ T10] ipv6_add_addr+0x411/0x2000 [ 5054.416815][ T10] inet6_addr_add+0x30e/0xa40 [ 5054.416815][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5054.416815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5054.416815][ T10] netlink_rcv_skb+0x130/0x360 [ 5054.416815][ T10] netlink_unicast+0x449/0x710 [ 5054.416815][ T10] netlink_sendmsg+0x723/0xbe0 [ 5054.416815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5054.416815][ T10] ___sys_sendmsg+0xee/0x170 [ 5054.416815][ T10] __sys_sendmsg+0xcd/0x170 [ 5054.416815][ T10] do_syscall_64+0xc6/0x1e0 [ 5054.416815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5054.416815][ T10] [ 5054.418812][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5054.418812][ T10] netdev_get_by_index+0x5e/0x80 [ 5054.418812][ T10] fib6_nh_init+0x3d8/0x1580 [ 5054.418812][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5054.418812][ T10] ip6_route_add+0x1c/0x140 [ 5054.418812][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5054.418812][ T10] addrconf_add_dev+0xe2/0x170 [ 5054.418812][ T10] inet6_addr_add+0x12f/0xa40 [ 5054.418812][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5054.418812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5054.418812][ T10] netlink_rcv_skb+0x130/0x360 [ 5054.418812][ T10] netlink_unicast+0x449/0x710 [ 5054.418812][ T10] netlink_sendmsg+0x723/0xbe0 [ 5054.418812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5054.418812][ T10] ___sys_sendmsg+0xee/0x170 [ 5054.418812][ T10] __sys_sendmsg+0xcd/0x170 [ 5054.418812][ T10] do_syscall_64+0xc6/0x1e0 [ 5054.418812][ T10] [ 5054.420783][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5054.420783][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5054.420783][ T10] ipv6_find_idev+0x102/0x170 [ 5054.420783][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5054.420783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5054.420783][ T10] netlink_rcv_skb+0x130/0x360 [ 5054.420783][ T10] netlink_unicast+0x449/0x710 [ 5054.420783][ T10] netlink_sendmsg+0x723/0xbe0 [ 5054.420783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5054.420783][ T10] ___sys_sendmsg+0xee/0x170 [ 5054.420783][ T10] __sys_sendmsg+0xcd/0x170 [ 5054.420783][ T10] do_syscall_64+0xc6/0x1e0 [ 5054.420783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5054.420783][ T10] [ 5054.422320][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5054.422320][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5054.422320][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5054.422320][ T10] ipv6_find_idev+0x102/0x170 [ 5054.422320][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5054.422320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5054.422320][ T10] netlink_rcv_skb+0x130/0x360 [ 5054.422320][ T10] netlink_unicast+0x449/0x710 [ 5054.422320][ T10] netlink_sendmsg+0x723/0xbe0 [ 5054.422320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5054.422320][ T10] ___sys_sendmsg+0xee/0x170 [ 5054.422320][ T10] __sys_sendmsg+0xcd/0x170 [ 5054.422320][ T10] do_syscall_64+0xc6/0x1e0 [ 5054.422320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5054.422320][ T10] [ 5054.424015][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5054.424264][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5054.424264][ T10] netdev_get_by_index+0x5e/0x80 [ 5054.424264][ T10] fib6_nh_init+0x3d8/0x1580 [ 5054.424264][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5054.424264][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5054.424264][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5054.424264][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5054.424264][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5054.424264][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5054.424264][ T10] addrconf_dad_begin+0x310/0x670 [ 5054.424264][ T10] addrconf_dad_work+0x10b/0xab0 [ 5054.424264][ T10] process_one_work+0x84d/0x18a0 [ 5054.424264][ T10] worker_thread+0x587/0xd30 [ 5054.424264][ T10] kthread+0x28a/0x350 [ 5054.424264][ T10] ret_from_fork+0x31/0x70 [ 5054.424264][ T10] ret_from_fork_asm+0x1a/0x30 [ 5054.424264][ T10] [ 5054.426169][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5054.426169][ T10] netdev_get_by_index+0x5e/0x80 [ 5054.426169][ T10] fib6_nh_init+0x3d8/0x1580 [ 5054.426169][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5054.426169][ T10] ip6_route_add+0x1c/0x140 [ 5054.426169][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5054.426169][ T10] inet6_addr_add+0x4f8/0xa40 [ 5054.426169][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5054.426169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5054.426169][ T10] netlink_rcv_skb+0x130/0x360 [ 5054.426169][ T10] netlink_unicast+0x449/0x710 [ 5054.426169][ T10] netlink_sendmsg+0x723/0xbe0 [ 5054.426169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5054.426169][ T10] ___sys_sendmsg+0xee/0x170 [ 5054.426169][ T10] __sys_sendmsg+0xcd/0x170 [ 5054.426169][ T10] do_syscall_64+0xc6/0x1e0 [ 5054.426169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5054.426169][ T10] [ 5054.428317][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5054.428317][ T10] netdev_get_by_index+0x5e/0x80 [ 5054.428317][ T10] fib6_nh_init+0x3d8/0x1580 [ 5054.428317][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5054.428317][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5054.428317][ T10] ipv6_add_addr+0x411/0x2000 [ 5054.428317][ T10] inet6_addr_add+0x30e/0xa40 [ 5054.428317][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5054.428317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5054.428317][ T10] netlink_rcv_skb+0x130/0x360 [ 5054.428317][ T10] netlink_unicast+0x449/0x710 [ 5054.428317][ T10] netlink_sendmsg+0x723/0xbe0 [ 5054.428317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5054.428317][ T10] ___sys_sendmsg+0xee/0x170 [ 5054.428317][ T10] __sys_sendmsg+0xcd/0x170 [ 5054.428317][ T10] do_syscall_64+0xc6/0x1e0 [ 5054.428317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5054.428317][ T10] [ 5054.430442][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5054.430442][ T10] netdev_get_by_index+0x5e/0x80 [ 5054.430442][ T10] fib6_nh_init+0x3d8/0x1580 [ 5054.430442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5054.430442][ T10] ip6_route_add+0x1c/0x140 [ 5054.430442][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5054.430442][ T10] addrconf_add_dev+0xe2/0x170 [ 5054.430442][ T10] inet6_addr_add+0x12f/0xa40 [ 5054.430442][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5054.430442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5054.430442][ T10] netlink_rcv_skb+0x130/0x360 [ 5054.430442][ T10] netlink_unicast+0x449/0x710 [ 5054.430442][ T10] netlink_sendmsg+0x723/0xbe0 [ 5054.430442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5054.430442][ T10] ___sys_sendmsg+0xee/0x170 [ 5054.430442][ T10] __sys_sendmsg+0xcd/0x170 [ 5054.430442][ T10] do_syscall_64+0xc6/0x1e0 [ 5054.430442][ T10] [ 5054.432520][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5054.432520][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5054.432520][ T10] ipv6_find_idev+0x102/0x170 [ 5054.432520][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5054.432520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5054.432520][ T10] netlink_rcv_skb+0x130/0x360 [ 5054.432520][ T10] netlink_unicast+0x449/0x710 [ 5054.432520][ T10] netlink_sendmsg+0x723/0xbe0 [ 5054.432520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5054.432520][ T10] ___sys_sendmsg+0xee/0x170 [ 5054.432520][ T10] __sys_sendmsg+0xcd/0x170 [ 5054.432520][ T10] do_syscall_64+0xc6/0x1e0 [ 5054.432520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5054.432520][ T10] [ 5054.434192][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5054.434192][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5054.434192][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5054.434192][ T10] ipv6_find_idev+0x102/0x170 [ 5054.434192][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5054.434192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5054.434192][ T10] netlink_rcv_skb+0x130/0x360 [ 5054.434192][ T10] netlink_unicast+0x449/0x710 [ 5054.434192][ T10] netlink_sendmsg+0x723/0xbe0 [ 5054.434192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5054.434192][ T10] ___sys_sendmsg+0xee/0x170 [ 5054.434192][ T10] __sys_sendmsg+0xcd/0x170 [ 5054.434192][ T10] do_syscall_64+0xc6/0x1e0 [ 5054.434192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5054.434192][ T10] [ 5054.435944][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5054.436619][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5054.436619][ T10] netdev_get_by_index+0x5e/0x80 [ 5054.436619][ T10] fib6_nh_init+0x3d8/0x1580 [ 5054.436619][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5054.436619][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5054.436619][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5054.436619][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5054.436619][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5054.436619][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5054.436619][ T10] addrconf_dad_begin+0x310/0x670 [ 5054.436619][ T10] addrconf_dad_work+0x10b/0xab0 [ 5054.436619][ T10] process_one_work+0x84d/0x18a0 [ 5054.436619][ T10] worker_thread+0x587/0xd30 [ 5054.436619][ T10] kthread+0x28a/0x350 [ 5054.436619][ T10] ret_from_fork+0x31/0x70 [ 5054.436619][ T10] ret_from_fork_asm+0x1a/0x30 [ 5054.436619][ T10] [ 5054.438519][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5054.438519][ T10] netdev_get_by_index+0x5e/0x80 [ 5054.438519][ T10] fib6_nh_init+0x3d8/0x1580 [ 5054.438519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5054.438519][ T10] ip6_route_add+0x1c/0x140 [ 5054.438519][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5054.438519][ T10] inet6_addr_add+0x4f8/0xa40 [ 5054.438519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5054.438519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5054.438519][ T10] netlink_rcv_skb+0x130/0x360 [ 5054.438519][ T10] netlink_unicast+0x449/0x710 [ 5054.438519][ T10] netlink_sendmsg+0x723/0xbe0 [ 5054.438519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5054.438519][ T10] ___sys_sendmsg+0xee/0x170 [ 5054.438519][ T10] __sys_sendmsg+0xcd/0x170 [ 5054.438519][ T10] do_syscall_64+0xc6/0x1e0 [ 5054.438519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5054.438519][ T10] [ 5054.440591][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5054.440591][ T10] netdev_get_by_index+0x5e/0x80 [ 5054.440591][ T10] fib6_nh_init+0x3d8/0x1580 [ 5054.440591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5054.440591][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5054.440591][ T10] ipv6_add_addr+0x411/0x2000 [ 5054.440591][ T10] inet6_addr_add+0x30e/0xa40 [ 5054.440591][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5054.440591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5054.440591][ T10] netlink_rcv_skb+0x130/0x360 [ 5054.440591][ T10] netlink_unicast+0x449/0x710 [ 5054.440591][ T10] netlink_sendmsg+0x723/0xbe0 [ 5054.440591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5054.440591][ T10] ___sys_sendmsg+0xee/0x170 [ 5054.440591][ T10] __sys_sendmsg+0xcd/0x170 [ 5054.440591][ T10] do_syscall_64+0xc6/0x1e0 [ 5054.440591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5054.440591][ T10] [ 5054.442720][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5054.442720][ T10] netdev_get_by_index+0x5e/0x80 [ 5054.442720][ T10] fib6_nh_init+0x3d8/0x1580 [ 5054.442720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5054.442720][ T10] ip6_route_add+0x1c/0x140 [ 5054.442720][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5054.442720][ T10] addrconf_add_dev+0xe2/0x170 [ 5054.442720][ T10] inet6_addr_add+0x12f/0xa40 [ 5054.442720][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5054.442720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5054.442720][ T10] netlink_rcv_skb+0x130/0x360 [ 5054.442720][ T10] netlink_unicast+0x449/0x710 [ 5054.442720][ T10] netlink_sendmsg+0x723/0xbe0 [ 5054.442720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5054.442720][ T10] ___sys_sendmsg+0xee/0x170 [ 5054.442720][ T10] __sys_sendmsg+0xcd/0x170 [ 5054.442720][ T10] do_syscall_64+0xc6/0x1e0 [ 5054.442720][ T10] [ 5054.444806][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5054.444806][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5054.444806][ T10] ipv6_find_idev+0x102/0x170 [ 5054.444806][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5054.444806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5054.444806][ T10] netlink_rcv_skb+0x130/0x360 [ 5054.444806][ T10] netlink_unicast+0x449/0x710 [ 5054.444806][ T10] netlink_sendmsg+0x723/0xbe0 [ 5054.444806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5054.444806][ T10] ___sys_sendmsg+0xee/0x170 [ 5054.444806][ T10] __sys_sendmsg+0xcd/0x170 [ 5054.444806][ T10] do_syscall_64+0xc6/0x1e0 [ 5054.444806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5054.444806][ T10] [ 5054.446423][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5054.446423][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5054.446423][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5054.446423][ T10] ipv6_find_idev+0x102/0x170 [ 5054.446423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5054.446423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5054.446423][ T10] netlink_rcv_skb+0x130/0x360 [ 5054.446423][ T10] netlink_unicast+0x449/0x710 [ 5054.446423][ T10] netlink_sendmsg+0x723/0xbe0 [ 5054.446423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5054.446423][ T10] ___sys_sendmsg+0xee/0x170 [ 5054.446423][ T10] __sys_sendmsg+0xcd/0x170 [ 5054.446423][ T10] do_syscall_64+0xc6/0x1e0 [ 5054.446423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5054.446423][ T10] [ 5057.657131][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5057.657587][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5057.657587][ T1167] dst_init+0x84/0x4a0 [ 5057.657587][ T1167] dst_alloc+0x97/0x150 [ 5057.657587][ T1167] ip6_dst_alloc+0x23/0x90 [ 5057.657587][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5057.657587][ T1167] ip6_pol_route+0x56f/0x840 [ 5057.657587][ T1167] fib6_rule_lookup+0x334/0x630 [ 5057.657587][ T1167] ip6_route_output_flags+0x259/0x480 [ 5057.657587][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5057.657587][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5057.657587][ T1167] netlink_rcv_skb+0x130/0x360 [ 5057.657587][ T1167] netlink_unicast+0x449/0x710 [ 5057.657587][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5057.657587][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5057.657587][ T1167] ___sys_sendmsg+0xee/0x170 [ 5057.657587][ T1167] __sys_sendmsg+0xcd/0x170 [ 5057.657587][ T1167] do_syscall_64+0xc6/0x1e0 [ 5057.657587][ T1167] [ 5057.659852][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5057.659852][ T1167] netdev_get_by_index+0x5e/0x80 [ 5057.659852][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5057.659852][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5057.659852][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5057.659852][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5057.659852][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5057.659852][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5057.659852][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5057.659852][ T1167] addrconf_dad_begin+0x310/0x670 [ 5057.659852][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5057.659852][ T1167] process_one_work+0x84d/0x18a0 [ 5057.659852][ T1167] worker_thread+0x587/0xd30 [ 5057.659852][ T1167] kthread+0x28a/0x350 [ 5057.659852][ T1167] ret_from_fork+0x31/0x70 [ 5057.659852][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5057.659852][ T1167] [ 5057.662044][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5057.662044][ T1167] netdev_get_by_index+0x5e/0x80 [ 5057.662044][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5057.662044][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5057.662044][ T1167] ip6_route_add+0x1c/0x140 [ 5057.662044][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5057.662044][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5057.662044][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5057.662044][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5057.662044][ T1167] netlink_rcv_skb+0x130/0x360 [ 5057.662044][ T1167] netlink_unicast+0x449/0x710 [ 5057.662044][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5057.662044][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5057.662044][ T1167] ___sys_sendmsg+0xee/0x170 [ 5057.662044][ T1167] __sys_sendmsg+0xcd/0x170 [ 5057.662044][ T1167] do_syscall_64+0xc6/0x1e0 [ 5057.662044][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5057.662044][ T1167] [ 5057.664310][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5057.664310][ T1167] netdev_get_by_index+0x5e/0x80 [ 5057.664310][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5057.664310][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5057.664310][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5057.664310][ T1167] ipv6_add_addr+0x411/0x2000 [ 5057.664310][ T1167] inet6_addr_add+0x30e/0xa40 [ 5057.664310][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5057.664310][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5057.664310][ T1167] netlink_rcv_skb+0x130/0x360 [ 5057.664310][ T1167] netlink_unicast+0x449/0x710 [ 5057.664310][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5057.664310][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5057.664310][ T1167] ___sys_sendmsg+0xee/0x170 [ 5057.664310][ T1167] __sys_sendmsg+0xcd/0x170 [ 5057.664310][ T1167] do_syscall_64+0xc6/0x1e0 [ 5057.664310][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5057.664310][ T1167] [ 5057.666606][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5057.666606][ T1167] netdev_get_by_index+0x5e/0x80 [ 5057.666606][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5057.666606][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5057.666606][ T1167] ip6_route_add+0x1c/0x140 [ 5057.666606][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5057.666606][ T1167] addrconf_add_dev+0xe2/0x170 [ 5057.666606][ T1167] inet6_addr_add+0x12f/0xa40 [ 5057.666606][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5057.666606][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5057.666606][ T1167] netlink_rcv_skb+0x130/0x360 [ 5057.666606][ T1167] netlink_unicast+0x449/0x710 [ 5057.666606][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5057.666606][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5057.666606][ T1167] ___sys_sendmsg+0xee/0x170 [ 5057.666606][ T1167] __sys_sendmsg+0xcd/0x170 [ 5057.666606][ T1167] do_syscall_64+0xc6/0x1e0 [ 5057.666606][ T1167] [ 5057.668788][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5057.668788][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5057.668788][ T1167] ipv6_find_idev+0x102/0x170 [ 5057.668788][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5057.668788][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5057.668788][ T1167] netlink_rcv_skb+0x130/0x360 [ 5057.668788][ T1167] netlink_unicast+0x449/0x710 [ 5057.668788][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5057.668788][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5057.668788][ T1167] ___sys_sendmsg+0xee/0x170 [ 5057.668788][ T1167] __sys_sendmsg+0xcd/0x170 [ 5057.668788][ T1167] do_syscall_64+0xc6/0x1e0 [ 5057.668788][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5057.668788][ T1167] [ 5057.670563][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5057.670563][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5057.670563][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5057.670563][ T1167] ipv6_find_idev+0x102/0x170 [ 5057.670563][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5057.670563][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5057.670563][ T1167] netlink_rcv_skb+0x130/0x360 [ 5057.670563][ T1167] netlink_unicast+0x449/0x710 [ 5057.670563][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5057.670563][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5057.670563][ T1167] ___sys_sendmsg+0xee/0x170 [ 5057.670563][ T1167] __sys_sendmsg+0xcd/0x170 [ 5057.670563][ T1167] do_syscall_64+0xc6/0x1e0 [ 5057.670563][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5057.670563][ T1167] [ 5064.689120][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5064.689523][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5064.689523][ T10] netdev_get_by_index+0x5e/0x80 [ 5064.689523][ T10] fib6_nh_init+0x3d8/0x1580 [ 5064.689523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5064.689523][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5064.689523][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5064.689523][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5064.689523][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5064.689523][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5064.689523][ T10] addrconf_dad_begin+0x310/0x670 [ 5064.689523][ T10] addrconf_dad_work+0x10b/0xab0 [ 5064.689523][ T10] process_one_work+0x84d/0x18a0 [ 5064.689523][ T10] worker_thread+0x587/0xd30 [ 5064.689523][ T10] kthread+0x28a/0x350 [ 5064.689523][ T10] ret_from_fork+0x31/0x70 [ 5064.689523][ T10] ret_from_fork_asm+0x1a/0x30 [ 5064.689523][ T10] [ 5064.691471][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5064.691471][ T10] netdev_get_by_index+0x5e/0x80 [ 5064.691471][ T10] fib6_nh_init+0x3d8/0x1580 [ 5064.691471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5064.691471][ T10] ip6_route_add+0x1c/0x140 [ 5064.691471][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5064.691471][ T10] inet6_addr_add+0x4f8/0xa40 [ 5064.691471][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5064.691471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5064.691471][ T10] netlink_rcv_skb+0x130/0x360 [ 5064.691471][ T10] netlink_unicast+0x449/0x710 [ 5064.691471][ T10] netlink_sendmsg+0x723/0xbe0 [ 5064.691471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5064.691471][ T10] ___sys_sendmsg+0xee/0x170 [ 5064.691471][ T10] __sys_sendmsg+0xcd/0x170 [ 5064.691471][ T10] do_syscall_64+0xc6/0x1e0 [ 5064.691471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5064.691471][ T10] [ 5064.693490][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5064.693490][ T10] netdev_get_by_index+0x5e/0x80 [ 5064.693490][ T10] fib6_nh_init+0x3d8/0x1580 [ 5064.693490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5064.693490][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5064.693490][ T10] ipv6_add_addr+0x411/0x2000 [ 5064.693490][ T10] inet6_addr_add+0x30e/0xa40 [ 5064.693490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5064.693490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5064.693490][ T10] netlink_rcv_skb+0x130/0x360 [ 5064.693490][ T10] netlink_unicast+0x449/0x710 [ 5064.693490][ T10] netlink_sendmsg+0x723/0xbe0 [ 5064.693490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5064.693490][ T10] ___sys_sendmsg+0xee/0x170 [ 5064.693490][ T10] __sys_sendmsg+0xcd/0x170 [ 5064.693490][ T10] do_syscall_64+0xc6/0x1e0 [ 5064.693490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5064.693490][ T10] [ 5064.695506][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5064.695506][ T10] netdev_get_by_index+0x5e/0x80 [ 5064.695506][ T10] fib6_nh_init+0x3d8/0x1580 [ 5064.695506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5064.695506][ T10] ip6_route_add+0x1c/0x140 [ 5064.695506][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5064.695506][ T10] addrconf_add_dev+0xe2/0x170 [ 5064.695506][ T10] inet6_addr_add+0x12f/0xa40 [ 5064.695506][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5064.695506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5064.695506][ T10] netlink_rcv_skb+0x130/0x360 [ 5064.695506][ T10] netlink_unicast+0x449/0x710 [ 5064.695506][ T10] netlink_sendmsg+0x723/0xbe0 [ 5064.695506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5064.695506][ T10] ___sys_sendmsg+0xee/0x170 [ 5064.695506][ T10] __sys_sendmsg+0xcd/0x170 [ 5064.695506][ T10] do_syscall_64+0xc6/0x1e0 [ 5064.695506][ T10] [ 5064.697467][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5064.697467][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5064.697467][ T10] ipv6_find_idev+0x102/0x170 [ 5064.697467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5064.697467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5064.697467][ T10] netlink_rcv_skb+0x130/0x360 [ 5064.697467][ T10] netlink_unicast+0x449/0x710 [ 5064.697467][ T10] netlink_sendmsg+0x723/0xbe0 [ 5064.697467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5064.697467][ T10] ___sys_sendmsg+0xee/0x170 [ 5064.697467][ T10] __sys_sendmsg+0xcd/0x170 [ 5064.697467][ T10] do_syscall_64+0xc6/0x1e0 [ 5064.697467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5064.697467][ T10] [ 5064.699005][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5064.699005][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5064.699005][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5064.699005][ T10] ipv6_find_idev+0x102/0x170 [ 5064.699005][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5064.699005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5064.699005][ T10] netlink_rcv_skb+0x130/0x360 [ 5064.699005][ T10] netlink_unicast+0x449/0x710 [ 5064.699005][ T10] netlink_sendmsg+0x723/0xbe0 [ 5064.699005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5064.699005][ T10] ___sys_sendmsg+0xee/0x170 [ 5064.699005][ T10] __sys_sendmsg+0xcd/0x170 [ 5064.699005][ T10] do_syscall_64+0xc6/0x1e0 [ 5064.699005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5064.699005][ T10] [ 5064.700700][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5064.700974][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5064.700974][ T10] netdev_get_by_index+0x5e/0x80 [ 5064.700974][ T10] fib6_nh_init+0x3d8/0x1580 [ 5064.700974][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5064.700974][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5064.700974][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5064.700974][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5064.700974][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5064.700974][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5064.700974][ T10] addrconf_dad_begin+0x310/0x670 [ 5064.700974][ T10] addrconf_dad_work+0x10b/0xab0 [ 5064.700974][ T10] process_one_work+0x84d/0x18a0 [ 5064.700974][ T10] worker_thread+0x587/0xd30 [ 5064.700974][ T10] kthread+0x28a/0x350 [ 5064.700974][ T10] ret_from_fork+0x31/0x70 [ 5064.700974][ T10] ret_from_fork_asm+0x1a/0x30 [ 5064.700974][ T10] [ 5064.702877][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5064.702877][ T10] netdev_get_by_index+0x5e/0x80 [ 5064.702877][ T10] fib6_nh_init+0x3d8/0x1580 [ 5064.702877][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5064.702877][ T10] ip6_route_add+0x1c/0x140 [ 5064.702877][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5064.702877][ T10] inet6_addr_add+0x4f8/0xa40 [ 5064.702877][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5064.702877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5064.702877][ T10] netlink_rcv_skb+0x130/0x360 [ 5064.702877][ T10] netlink_unicast+0x449/0x710 [ 5064.702877][ T10] netlink_sendmsg+0x723/0xbe0 [ 5064.702877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5064.702877][ T10] ___sys_sendmsg+0xee/0x170 [ 5064.702877][ T10] __sys_sendmsg+0xcd/0x170 [ 5064.702877][ T10] do_syscall_64+0xc6/0x1e0 [ 5064.702877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5064.702877][ T10] [ 5064.704872][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5064.704872][ T10] netdev_get_by_index+0x5e/0x80 [ 5064.704872][ T10] fib6_nh_init+0x3d8/0x1580 [ 5064.704872][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5064.704872][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5064.704872][ T10] ipv6_add_addr+0x411/0x2000 [ 5064.704872][ T10] inet6_addr_add+0x30e/0xa40 [ 5064.704872][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5064.704872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5064.704872][ T10] netlink_rcv_skb+0x130/0x360 [ 5064.704872][ T10] netlink_unicast+0x449/0x710 [ 5064.704872][ T10] netlink_sendmsg+0x723/0xbe0 [ 5064.704872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5064.704872][ T10] ___sys_sendmsg+0xee/0x170 [ 5064.704872][ T10] __sys_sendmsg+0xcd/0x170 [ 5064.704872][ T10] do_syscall_64+0xc6/0x1e0 [ 5064.704872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5064.704872][ T10] [ 5064.706880][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5064.706880][ T10] netdev_get_by_index+0x5e/0x80 [ 5064.706880][ T10] fib6_nh_init+0x3d8/0x1580 [ 5064.706880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5064.706880][ T10] ip6_route_add+0x1c/0x140 [ 5064.706880][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5064.706880][ T10] addrconf_add_dev+0xe2/0x170 [ 5064.706880][ T10] inet6_addr_add+0x12f/0xa40 [ 5064.706880][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5064.706880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5064.706880][ T10] netlink_rcv_skb+0x130/0x360 [ 5064.706880][ T10] netlink_unicast+0x449/0x710 [ 5064.706880][ T10] netlink_sendmsg+0x723/0xbe0 [ 5064.706880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5064.706880][ T10] ___sys_sendmsg+0xee/0x170 [ 5064.706880][ T10] __sys_sendmsg+0xcd/0x170 [ 5064.706880][ T10] do_syscall_64+0xc6/0x1e0 [ 5064.706880][ T10] [ 5064.708837][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5064.708837][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5064.708837][ T10] ipv6_find_idev+0x102/0x170 [ 5064.708837][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5064.708837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5064.708837][ T10] netlink_rcv_skb+0x130/0x360 [ 5064.708837][ T10] netlink_unicast+0x449/0x710 [ 5064.708837][ T10] netlink_sendmsg+0x723/0xbe0 [ 5064.708837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5064.708837][ T10] ___sys_sendmsg+0xee/0x170 [ 5064.708837][ T10] __sys_sendmsg+0xcd/0x170 [ 5064.708837][ T10] do_syscall_64+0xc6/0x1e0 [ 5064.708837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5064.708837][ T10] [ 5064.710372][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5064.710372][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5064.710372][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5064.710372][ T10] ipv6_find_idev+0x102/0x170 [ 5064.710372][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5064.710372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5064.710372][ T10] netlink_rcv_skb+0x130/0x360 [ 5064.710372][ T10] netlink_unicast+0x449/0x710 [ 5064.710372][ T10] netlink_sendmsg+0x723/0xbe0 [ 5064.710372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5064.710372][ T10] ___sys_sendmsg+0xee/0x170 [ 5064.710372][ T10] __sys_sendmsg+0xcd/0x170 [ 5064.710372][ T10] do_syscall_64+0xc6/0x1e0 [ 5064.710372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5064.710372][ T10] [ 5064.712049][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5064.712290][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5064.712290][ T10] netdev_get_by_index+0x5e/0x80 [ 5064.712290][ T10] fib6_nh_init+0x3d8/0x1580 [ 5064.712290][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5064.712290][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5064.712290][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5064.712290][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5064.712290][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5064.712290][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5064.712290][ T10] addrconf_dad_begin+0x310/0x670 [ 5064.712290][ T10] addrconf_dad_work+0x10b/0xab0 [ 5064.712290][ T10] process_one_work+0x84d/0x18a0 [ 5064.712290][ T10] worker_thread+0x587/0xd30 [ 5064.712290][ T10] kthread+0x28a/0x350 [ 5064.712290][ T10] ret_from_fork+0x31/0x70 [ 5064.712290][ T10] ret_from_fork_asm+0x1a/0x30 [ 5064.712290][ T10] [ 5064.714193][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5064.714193][ T10] netdev_get_by_index+0x5e/0x80 [ 5064.714193][ T10] fib6_nh_init+0x3d8/0x1580 [ 5064.714193][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5064.714193][ T10] ip6_route_add+0x1c/0x140 [ 5064.714193][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5064.714193][ T10] inet6_addr_add+0x4f8/0xa40 [ 5064.714193][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5064.714193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5064.714193][ T10] netlink_rcv_skb+0x130/0x360 [ 5064.714193][ T10] netlink_unicast+0x449/0x710 [ 5064.714193][ T10] netlink_sendmsg+0x723/0xbe0 [ 5064.714193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5064.714193][ T10] ___sys_sendmsg+0xee/0x170 [ 5064.714193][ T10] __sys_sendmsg+0xcd/0x170 [ 5064.714193][ T10] do_syscall_64+0xc6/0x1e0 [ 5064.714193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5064.714193][ T10] [ 5064.716370][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5064.716370][ T10] netdev_get_by_index+0x5e/0x80 [ 5064.716370][ T10] fib6_nh_init+0x3d8/0x1580 [ 5064.716370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5064.716370][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5064.716370][ T10] ipv6_add_addr+0x411/0x2000 [ 5064.716370][ T10] inet6_addr_add+0x30e/0xa40 [ 5064.716370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5064.716370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5064.716370][ T10] netlink_rcv_skb+0x130/0x360 [ 5064.716370][ T10] netlink_unicast+0x449/0x710 [ 5064.716370][ T10] netlink_sendmsg+0x723/0xbe0 [ 5064.716370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5064.716370][ T10] ___sys_sendmsg+0xee/0x170 [ 5064.716370][ T10] __sys_sendmsg+0xcd/0x170 [ 5064.716370][ T10] do_syscall_64+0xc6/0x1e0 [ 5064.716370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5064.716370][ T10] [ 5064.718676][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5064.718676][ T10] netdev_get_by_index+0x5e/0x80 [ 5064.718676][ T10] fib6_nh_init+0x3d8/0x1580 [ 5064.718676][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5064.718676][ T10] ip6_route_add+0x1c/0x140 [ 5064.718676][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5064.718676][ T10] addrconf_add_dev+0xe2/0x170 [ 5064.718676][ T10] inet6_addr_add+0x12f/0xa40 [ 5064.718676][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5064.718676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5064.718676][ T10] netlink_rcv_skb+0x130/0x360 [ 5064.718676][ T10] netlink_unicast+0x449/0x710 [ 5064.718676][ T10] netlink_sendmsg+0x723/0xbe0 [ 5064.718676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5064.718676][ T10] ___sys_sendmsg+0xee/0x170 [ 5064.718676][ T10] __sys_sendmsg+0xcd/0x170 [ 5064.718676][ T10] do_syscall_64+0xc6/0x1e0 [ 5064.718676][ T10] [ 5064.720874][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5064.720874][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5064.720874][ T10] ipv6_find_idev+0x102/0x170 [ 5064.720874][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5064.720874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5064.720874][ T10] netlink_rcv_skb+0x130/0x360 [ 5064.720874][ T10] netlink_unicast+0x449/0x710 [ 5064.720874][ T10] netlink_sendmsg+0x723/0xbe0 [ 5064.720874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5064.720874][ T10] ___sys_sendmsg+0xee/0x170 [ 5064.720874][ T10] __sys_sendmsg+0xcd/0x170 [ 5064.720874][ T10] do_syscall_64+0xc6/0x1e0 [ 5064.720874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5064.720874][ T10] [ 5064.722590][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5064.722590][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5064.722590][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5064.722590][ T10] ipv6_find_idev+0x102/0x170 [ 5064.722590][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5064.722590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5064.722590][ T10] netlink_rcv_skb+0x130/0x360 [ 5064.722590][ T10] netlink_unicast+0x449/0x710 [ 5064.722590][ T10] netlink_sendmsg+0x723/0xbe0 [ 5064.722590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5064.722590][ T10] ___sys_sendmsg+0xee/0x170 [ 5064.722590][ T10] __sys_sendmsg+0xcd/0x170 [ 5064.722590][ T10] do_syscall_64+0xc6/0x1e0 [ 5064.722590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5064.722590][ T10] [ 5064.724455][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5064.724694][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5064.724694][ T10] netdev_get_by_index+0x5e/0x80 [ 5064.724694][ T10] fib6_nh_init+0x3d8/0x1580 [ 5064.724694][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5064.724694][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5064.724694][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5064.724694][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5064.724694][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5064.724694][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5064.724694][ T10] addrconf_dad_begin+0x310/0x670 [ 5064.724694][ T10] addrconf_dad_work+0x10b/0xab0 [ 5064.724694][ T10] process_one_work+0x84d/0x18a0 [ 5064.724694][ T10] worker_thread+0x587/0xd30 [ 5064.724694][ T10] kthread+0x28a/0x350 [ 5064.724694][ T10] ret_from_fork+0x31/0x70 [ 5064.724694][ T10] ret_from_fork_asm+0x1a/0x30 [ 5064.724694][ T10] [ 5064.726907][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5064.726907][ T10] netdev_get_by_index+0x5e/0x80 [ 5064.726907][ T10] fib6_nh_init+0x3d8/0x1580 [ 5064.726907][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5064.726907][ T10] ip6_route_add+0x1c/0x140 [ 5064.726907][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5064.726907][ T10] inet6_addr_add+0x4f8/0xa40 [ 5064.726907][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5064.726907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5064.726907][ T10] netlink_rcv_skb+0x130/0x360 [ 5064.726907][ T10] netlink_unicast+0x449/0x710 [ 5064.726907][ T10] netlink_sendmsg+0x723/0xbe0 [ 5064.726907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5064.726907][ T10] ___sys_sendmsg+0xee/0x170 [ 5064.726907][ T10] __sys_sendmsg+0xcd/0x170 [ 5064.726907][ T10] do_syscall_64+0xc6/0x1e0 [ 5064.726907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5064.726907][ T10] [ 5064.729145][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5064.729145][ T10] netdev_get_by_index+0x5e/0x80 [ 5064.729145][ T10] fib6_nh_init+0x3d8/0x1580 [ 5064.729145][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5064.729145][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5064.729145][ T10] ipv6_add_addr+0x411/0x2000 [ 5064.729145][ T10] inet6_addr_add+0x30e/0xa40 [ 5064.729145][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5064.729145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5064.729145][ T10] netlink_rcv_skb+0x130/0x360 [ 5064.729145][ T10] netlink_unicast+0x449/0x710 [ 5064.729145][ T10] netlink_sendmsg+0x723/0xbe0 [ 5064.729145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5064.729145][ T10] ___sys_sendmsg+0xee/0x170 [ 5064.729145][ T10] __sys_sendmsg+0xcd/0x170 [ 5064.729145][ T10] do_syscall_64+0xc6/0x1e0 [ 5064.729145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5064.729145][ T10] [ 5064.731265][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5064.731265][ T10] netdev_get_by_index+0x5e/0x80 [ 5064.731265][ T10] fib6_nh_init+0x3d8/0x1580 [ 5064.731265][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5064.731265][ T10] ip6_route_add+0x1c/0x140 [ 5064.731265][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5064.731265][ T10] addrconf_add_dev+0xe2/0x170 [ 5064.731265][ T10] inet6_addr_add+0x12f/0xa40 [ 5064.731265][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5064.731265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5064.731265][ T10] netlink_rcv_skb+0x130/0x360 [ 5064.731265][ T10] netlink_unicast+0x449/0x710 [ 5064.731265][ T10] netlink_sendmsg+0x723/0xbe0 [ 5064.731265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5064.731265][ T10] ___sys_sendmsg+0xee/0x170 [ 5064.731265][ T10] __sys_sendmsg+0xcd/0x170 [ 5064.731265][ T10] do_syscall_64+0xc6/0x1e0 [ 5064.731265][ T10] [ 5064.733320][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5064.733320][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5064.733320][ T10] ipv6_find_idev+0x102/0x170 [ 5064.733320][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5064.733320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5064.733320][ T10] netlink_rcv_skb+0x130/0x360 [ 5064.733320][ T10] netlink_unicast+0x449/0x710 [ 5064.733320][ T10] netlink_sendmsg+0x723/0xbe0 [ 5064.733320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5064.733320][ T10] ___sys_sendmsg+0xee/0x170 [ 5064.733320][ T10] __sys_sendmsg+0xcd/0x170 [ 5064.733320][ T10] do_syscall_64+0xc6/0x1e0 [ 5064.733320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5064.733320][ T10] [ 5064.734951][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5064.734951][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5064.734951][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5064.734951][ T10] ipv6_find_idev+0x102/0x170 [ 5064.734951][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5064.734951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5064.734951][ T10] netlink_rcv_skb+0x130/0x360 [ 5064.734951][ T10] netlink_unicast+0x449/0x710 [ 5064.734951][ T10] netlink_sendmsg+0x723/0xbe0 [ 5064.734951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5064.734951][ T10] ___sys_sendmsg+0xee/0x170 [ 5064.734951][ T10] __sys_sendmsg+0xcd/0x170 [ 5064.734951][ T10] do_syscall_64+0xc6/0x1e0 [ 5064.734951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5064.734951][ T10] [ 5067.921111][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5067.921570][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5067.921570][ T1167] dst_init+0x84/0x4a0 [ 5067.921570][ T1167] dst_alloc+0x97/0x150 [ 5067.921570][ T1167] ip6_dst_alloc+0x23/0x90 [ 5067.921570][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5067.921570][ T1167] ip6_pol_route+0x56f/0x840 [ 5067.921570][ T1167] fib6_rule_lookup+0x334/0x630 [ 5067.921570][ T1167] ip6_route_output_flags+0x259/0x480 [ 5067.921570][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5067.921570][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5067.921570][ T1167] netlink_rcv_skb+0x130/0x360 [ 5067.921570][ T1167] netlink_unicast+0x449/0x710 [ 5067.921570][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5067.921570][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5067.921570][ T1167] ___sys_sendmsg+0xee/0x170 [ 5067.921570][ T1167] __sys_sendmsg+0xcd/0x170 [ 5067.921570][ T1167] do_syscall_64+0xc6/0x1e0 [ 5067.921570][ T1167] [ 5067.923821][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5067.923821][ T1167] netdev_get_by_index+0x5e/0x80 [ 5067.923821][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5067.923821][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5067.923821][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5067.923821][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5067.923821][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5067.923821][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5067.923821][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5067.923821][ T1167] addrconf_dad_begin+0x310/0x670 [ 5067.923821][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5067.923821][ T1167] process_one_work+0x84d/0x18a0 [ 5067.923821][ T1167] worker_thread+0x587/0xd30 [ 5067.923821][ T1167] kthread+0x28a/0x350 [ 5067.923821][ T1167] ret_from_fork+0x31/0x70 [ 5067.923821][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5067.923821][ T1167] [ 5067.926053][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5067.926053][ T1167] netdev_get_by_index+0x5e/0x80 [ 5067.926053][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5067.926053][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5067.926053][ T1167] ip6_route_add+0x1c/0x140 [ 5067.926053][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5067.926053][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5067.926053][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5067.926053][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5067.926053][ T1167] netlink_rcv_skb+0x130/0x360 [ 5067.926053][ T1167] netlink_unicast+0x449/0x710 [ 5067.926053][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5067.926053][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5067.926053][ T1167] ___sys_sendmsg+0xee/0x170 [ 5067.926053][ T1167] __sys_sendmsg+0xcd/0x170 [ 5067.926053][ T1167] do_syscall_64+0xc6/0x1e0 [ 5067.926053][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5067.926053][ T1167] [ 5067.928337][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5067.928337][ T1167] netdev_get_by_index+0x5e/0x80 [ 5067.928337][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5067.928337][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5067.928337][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5067.928337][ T1167] ipv6_add_addr+0x411/0x2000 [ 5067.928337][ T1167] inet6_addr_add+0x30e/0xa40 [ 5067.928337][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5067.928337][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5067.928337][ T1167] netlink_rcv_skb+0x130/0x360 [ 5067.928337][ T1167] netlink_unicast+0x449/0x710 [ 5067.928337][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5067.928337][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5067.928337][ T1167] ___sys_sendmsg+0xee/0x170 [ 5067.928337][ T1167] __sys_sendmsg+0xcd/0x170 [ 5067.928337][ T1167] do_syscall_64+0xc6/0x1e0 [ 5067.928337][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5067.928337][ T1167] [ 5067.930613][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5067.930613][ T1167] netdev_get_by_index+0x5e/0x80 [ 5067.930613][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5067.930613][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5067.930613][ T1167] ip6_route_add+0x1c/0x140 [ 5067.930613][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5067.930613][ T1167] addrconf_add_dev+0xe2/0x170 [ 5067.930613][ T1167] inet6_addr_add+0x12f/0xa40 [ 5067.930613][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5067.930613][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5067.930613][ T1167] netlink_rcv_skb+0x130/0x360 [ 5067.930613][ T1167] netlink_unicast+0x449/0x710 [ 5067.930613][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5067.930613][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5067.930613][ T1167] ___sys_sendmsg+0xee/0x170 [ 5067.930613][ T1167] __sys_sendmsg+0xcd/0x170 [ 5067.930613][ T1167] do_syscall_64+0xc6/0x1e0 [ 5067.930613][ T1167] [ 5067.932859][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5067.932859][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5067.932859][ T1167] ipv6_find_idev+0x102/0x170 [ 5067.932859][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5067.932859][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5067.932859][ T1167] netlink_rcv_skb+0x130/0x360 [ 5067.932859][ T1167] netlink_unicast+0x449/0x710 [ 5067.932859][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5067.932859][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5067.932859][ T1167] ___sys_sendmsg+0xee/0x170 [ 5067.932859][ T1167] __sys_sendmsg+0xcd/0x170 [ 5067.932859][ T1167] do_syscall_64+0xc6/0x1e0 [ 5067.932859][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5067.932859][ T1167] [ 5067.934621][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5067.934621][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5067.934621][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5067.934621][ T1167] ipv6_find_idev+0x102/0x170 [ 5067.934621][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5067.934621][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5067.934621][ T1167] netlink_rcv_skb+0x130/0x360 [ 5067.934621][ T1167] netlink_unicast+0x449/0x710 [ 5067.934621][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5067.934621][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5067.934621][ T1167] ___sys_sendmsg+0xee/0x170 [ 5067.934621][ T1167] __sys_sendmsg+0xcd/0x170 [ 5067.934621][ T1167] do_syscall_64+0xc6/0x1e0 [ 5067.934621][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5067.934621][ T1167] [ 5074.793135][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5074.793552][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5074.793552][ T10] netdev_get_by_index+0x5e/0x80 [ 5074.793552][ T10] fib6_nh_init+0x3d8/0x1580 [ 5074.793552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5074.793552][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5074.793552][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5074.793552][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5074.793552][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5074.793552][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5074.793552][ T10] addrconf_dad_begin+0x310/0x670 [ 5074.793552][ T10] addrconf_dad_work+0x10b/0xab0 [ 5074.793552][ T10] process_one_work+0x84d/0x18a0 [ 5074.793552][ T10] worker_thread+0x587/0xd30 [ 5074.793552][ T10] kthread+0x28a/0x350 [ 5074.793552][ T10] ret_from_fork+0x31/0x70 [ 5074.793552][ T10] ret_from_fork_asm+0x1a/0x30 [ 5074.793552][ T10] [ 5074.795540][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5074.795540][ T10] netdev_get_by_index+0x5e/0x80 [ 5074.795540][ T10] fib6_nh_init+0x3d8/0x1580 [ 5074.795540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5074.795540][ T10] ip6_route_add+0x1c/0x140 [ 5074.795540][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5074.795540][ T10] inet6_addr_add+0x4f8/0xa40 [ 5074.795540][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5074.795540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5074.795540][ T10] netlink_rcv_skb+0x130/0x360 [ 5074.795540][ T10] netlink_unicast+0x449/0x710 [ 5074.795540][ T10] netlink_sendmsg+0x723/0xbe0 [ 5074.795540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5074.795540][ T10] ___sys_sendmsg+0xee/0x170 [ 5074.795540][ T10] __sys_sendmsg+0xcd/0x170 [ 5074.795540][ T10] do_syscall_64+0xc6/0x1e0 [ 5074.795540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5074.795540][ T10] [ 5074.797549][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5074.797549][ T10] netdev_get_by_index+0x5e/0x80 [ 5074.797549][ T10] fib6_nh_init+0x3d8/0x1580 [ 5074.797549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5074.797549][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5074.797549][ T10] ipv6_add_addr+0x411/0x2000 [ 5074.797549][ T10] inet6_addr_add+0x30e/0xa40 [ 5074.797549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5074.797549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5074.797549][ T10] netlink_rcv_skb+0x130/0x360 [ 5074.797549][ T10] netlink_unicast+0x449/0x710 [ 5074.797549][ T10] netlink_sendmsg+0x723/0xbe0 [ 5074.797549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5074.797549][ T10] ___sys_sendmsg+0xee/0x170 [ 5074.797549][ T10] __sys_sendmsg+0xcd/0x170 [ 5074.797549][ T10] do_syscall_64+0xc6/0x1e0 [ 5074.797549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5074.797549][ T10] [ 5074.799576][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5074.799576][ T10] netdev_get_by_index+0x5e/0x80 [ 5074.799576][ T10] fib6_nh_init+0x3d8/0x1580 [ 5074.799576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5074.799576][ T10] ip6_route_add+0x1c/0x140 [ 5074.799576][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5074.799576][ T10] addrconf_add_dev+0xe2/0x170 [ 5074.799576][ T10] inet6_addr_add+0x12f/0xa40 [ 5074.799576][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5074.799576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5074.799576][ T10] netlink_rcv_skb+0x130/0x360 [ 5074.799576][ T10] netlink_unicast+0x449/0x710 [ 5074.799576][ T10] netlink_sendmsg+0x723/0xbe0 [ 5074.799576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5074.799576][ T10] ___sys_sendmsg+0xee/0x170 [ 5074.799576][ T10] __sys_sendmsg+0xcd/0x170 [ 5074.799576][ T10] do_syscall_64+0xc6/0x1e0 [ 5074.799576][ T10] [ 5074.801549][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5074.801549][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5074.801549][ T10] ipv6_find_idev+0x102/0x170 [ 5074.801549][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5074.801549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5074.801549][ T10] netlink_rcv_skb+0x130/0x360 [ 5074.801549][ T10] netlink_unicast+0x449/0x710 [ 5074.801549][ T10] netlink_sendmsg+0x723/0xbe0 [ 5074.801549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5074.801549][ T10] ___sys_sendmsg+0xee/0x170 [ 5074.801549][ T10] __sys_sendmsg+0xcd/0x170 [ 5074.801549][ T10] do_syscall_64+0xc6/0x1e0 [ 5074.801549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5074.801549][ T10] [ 5074.803099][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5074.803099][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5074.803099][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5074.803099][ T10] ipv6_find_idev+0x102/0x170 [ 5074.803099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5074.803099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5074.803099][ T10] netlink_rcv_skb+0x130/0x360 [ 5074.803099][ T10] netlink_unicast+0x449/0x710 [ 5074.803099][ T10] netlink_sendmsg+0x723/0xbe0 [ 5074.803099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5074.803099][ T10] ___sys_sendmsg+0xee/0x170 [ 5074.803099][ T10] __sys_sendmsg+0xcd/0x170 [ 5074.803099][ T10] do_syscall_64+0xc6/0x1e0 [ 5074.803099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5074.803099][ T10] [ 5074.804783][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5074.805027][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5074.805027][ T10] netdev_get_by_index+0x5e/0x80 [ 5074.805027][ T10] fib6_nh_init+0x3d8/0x1580 [ 5074.805027][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5074.805027][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5074.805027][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5074.805027][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5074.805027][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5074.805027][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5074.805027][ T10] addrconf_dad_begin+0x310/0x670 [ 5074.805027][ T10] addrconf_dad_work+0x10b/0xab0 [ 5074.805027][ T10] process_one_work+0x84d/0x18a0 [ 5074.805027][ T10] worker_thread+0x587/0xd30 [ 5074.805027][ T10] kthread+0x28a/0x350 [ 5074.805027][ T10] ret_from_fork+0x31/0x70 [ 5074.805027][ T10] ret_from_fork_asm+0x1a/0x30 [ 5074.805027][ T10] [ 5074.806935][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5074.806935][ T10] netdev_get_by_index+0x5e/0x80 [ 5074.806935][ T10] fib6_nh_init+0x3d8/0x1580 [ 5074.806935][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5074.806935][ T10] ip6_route_add+0x1c/0x140 [ 5074.806935][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5074.806935][ T10] inet6_addr_add+0x4f8/0xa40 [ 5074.806935][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5074.806935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5074.806935][ T10] netlink_rcv_skb+0x130/0x360 [ 5074.806935][ T10] netlink_unicast+0x449/0x710 [ 5074.806935][ T10] netlink_sendmsg+0x723/0xbe0 [ 5074.806935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5074.806935][ T10] ___sys_sendmsg+0xee/0x170 [ 5074.806935][ T10] __sys_sendmsg+0xcd/0x170 [ 5074.806935][ T10] do_syscall_64+0xc6/0x1e0 [ 5074.806935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5074.806935][ T10] [ 5074.808927][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5074.808927][ T10] netdev_get_by_index+0x5e/0x80 [ 5074.808927][ T10] fib6_nh_init+0x3d8/0x1580 [ 5074.808927][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5074.808927][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5074.808927][ T10] ipv6_add_addr+0x411/0x2000 [ 5074.808927][ T10] inet6_addr_add+0x30e/0xa40 [ 5074.808927][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5074.808927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5074.808927][ T10] netlink_rcv_skb+0x130/0x360 [ 5074.808927][ T10] netlink_unicast+0x449/0x710 [ 5074.808927][ T10] netlink_sendmsg+0x723/0xbe0 [ 5074.808927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5074.808927][ T10] ___sys_sendmsg+0xee/0x170 [ 5074.808927][ T10] __sys_sendmsg+0xcd/0x170 [ 5074.808927][ T10] do_syscall_64+0xc6/0x1e0 [ 5074.808927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5074.808927][ T10] [ 5074.810917][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5074.810917][ T10] netdev_get_by_index+0x5e/0x80 [ 5074.810917][ T10] fib6_nh_init+0x3d8/0x1580 [ 5074.810917][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5074.810917][ T10] ip6_route_add+0x1c/0x140 [ 5074.810917][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5074.810917][ T10] addrconf_add_dev+0xe2/0x170 [ 5074.810917][ T10] inet6_addr_add+0x12f/0xa40 [ 5074.810917][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5074.810917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5074.810917][ T10] netlink_rcv_skb+0x130/0x360 [ 5074.810917][ T10] netlink_unicast+0x449/0x710 [ 5074.810917][ T10] netlink_sendmsg+0x723/0xbe0 [ 5074.810917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5074.810917][ T10] ___sys_sendmsg+0xee/0x170 [ 5074.810917][ T10] __sys_sendmsg+0xcd/0x170 [ 5074.810917][ T10] do_syscall_64+0xc6/0x1e0 [ 5074.810917][ T10] [ 5074.812869][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5074.812869][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5074.812869][ T10] ipv6_find_idev+0x102/0x170 [ 5074.812869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5074.812869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5074.812869][ T10] netlink_rcv_skb+0x130/0x360 [ 5074.812869][ T10] netlink_unicast+0x449/0x710 [ 5074.812869][ T10] netlink_sendmsg+0x723/0xbe0 [ 5074.812869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5074.812869][ T10] ___sys_sendmsg+0xee/0x170 [ 5074.812869][ T10] __sys_sendmsg+0xcd/0x170 [ 5074.812869][ T10] do_syscall_64+0xc6/0x1e0 [ 5074.812869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5074.812869][ T10] [ 5074.814406][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5074.814406][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5074.814406][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5074.814406][ T10] ipv6_find_idev+0x102/0x170 [ 5074.814406][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5074.814406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5074.814406][ T10] netlink_rcv_skb+0x130/0x360 [ 5074.814406][ T10] netlink_unicast+0x449/0x710 [ 5074.814406][ T10] netlink_sendmsg+0x723/0xbe0 [ 5074.814406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5074.814406][ T10] ___sys_sendmsg+0xee/0x170 [ 5074.814406][ T10] __sys_sendmsg+0xcd/0x170 [ 5074.814406][ T10] do_syscall_64+0xc6/0x1e0 [ 5074.814406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5074.814406][ T10] [ 5074.816065][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5074.816315][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5074.816315][ T10] netdev_get_by_index+0x5e/0x80 [ 5074.816315][ T10] fib6_nh_init+0x3d8/0x1580 [ 5074.816315][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5074.816315][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5074.816315][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5074.816315][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5074.816315][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5074.816315][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5074.816315][ T10] addrconf_dad_begin+0x310/0x670 [ 5074.816315][ T10] addrconf_dad_work+0x10b/0xab0 [ 5074.816315][ T10] process_one_work+0x84d/0x18a0 [ 5074.816315][ T10] worker_thread+0x587/0xd30 [ 5074.816315][ T10] kthread+0x28a/0x350 [ 5074.816315][ T10] ret_from_fork+0x31/0x70 [ 5074.816315][ T10] ret_from_fork_asm+0x1a/0x30 [ 5074.816315][ T10] [ 5074.818214][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5074.818214][ T10] netdev_get_by_index+0x5e/0x80 [ 5074.818214][ T10] fib6_nh_init+0x3d8/0x1580 [ 5074.818214][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5074.818214][ T10] ip6_route_add+0x1c/0x140 [ 5074.818214][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5074.818214][ T10] inet6_addr_add+0x4f8/0xa40 [ 5074.818214][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5074.818214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5074.818214][ T10] netlink_rcv_skb+0x130/0x360 [ 5074.818214][ T10] netlink_unicast+0x449/0x710 [ 5074.818214][ T10] netlink_sendmsg+0x723/0xbe0 [ 5074.818214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5074.818214][ T10] ___sys_sendmsg+0xee/0x170 [ 5074.818214][ T10] __sys_sendmsg+0xcd/0x170 [ 5074.818214][ T10] do_syscall_64+0xc6/0x1e0 [ 5074.818214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5074.818214][ T10] [ 5074.820381][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5074.820381][ T10] netdev_get_by_index+0x5e/0x80 [ 5074.820381][ T10] fib6_nh_init+0x3d8/0x1580 [ 5074.820381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5074.820381][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5074.820381][ T10] ipv6_add_addr+0x411/0x2000 [ 5074.820381][ T10] inet6_addr_add+0x30e/0xa40 [ 5074.820381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5074.820381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5074.820381][ T10] netlink_rcv_skb+0x130/0x360 [ 5074.820381][ T10] netlink_unicast+0x449/0x710 [ 5074.820381][ T10] netlink_sendmsg+0x723/0xbe0 [ 5074.820381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5074.820381][ T10] ___sys_sendmsg+0xee/0x170 [ 5074.820381][ T10] __sys_sendmsg+0xcd/0x170 [ 5074.820381][ T10] do_syscall_64+0xc6/0x1e0 [ 5074.820381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5074.820381][ T10] [ 5074.822611][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5074.822611][ T10] netdev_get_by_index+0x5e/0x80 [ 5074.822611][ T10] fib6_nh_init+0x3d8/0x1580 [ 5074.822611][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5074.822611][ T10] ip6_route_add+0x1c/0x140 [ 5074.822611][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5074.822611][ T10] addrconf_add_dev+0xe2/0x170 [ 5074.822611][ T10] inet6_addr_add+0x12f/0xa40 [ 5074.822611][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5074.822611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5074.822611][ T10] netlink_rcv_skb+0x130/0x360 [ 5074.822611][ T10] netlink_unicast+0x449/0x710 [ 5074.822611][ T10] netlink_sendmsg+0x723/0xbe0 [ 5074.822611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5074.822611][ T10] ___sys_sendmsg+0xee/0x170 [ 5074.822611][ T10] __sys_sendmsg+0xcd/0x170 [ 5074.822611][ T10] do_syscall_64+0xc6/0x1e0 [ 5074.822611][ T10] [ 5074.824770][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5074.824770][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5074.824770][ T10] ipv6_find_idev+0x102/0x170 [ 5074.824770][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5074.824770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5074.824770][ T10] netlink_rcv_skb+0x130/0x360 [ 5074.824770][ T10] netlink_unicast+0x449/0x710 [ 5074.824770][ T10] netlink_sendmsg+0x723/0xbe0 [ 5074.824770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5074.824770][ T10] ___sys_sendmsg+0xee/0x170 [ 5074.824770][ T10] __sys_sendmsg+0xcd/0x170 [ 5074.824770][ T10] do_syscall_64+0xc6/0x1e0 [ 5074.824770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5074.824770][ T10] [ 5074.826494][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5074.826494][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5074.826494][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5074.826494][ T10] ipv6_find_idev+0x102/0x170 [ 5074.826494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5074.826494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5074.826494][ T10] netlink_rcv_skb+0x130/0x360 [ 5074.826494][ T10] netlink_unicast+0x449/0x710 [ 5074.826494][ T10] netlink_sendmsg+0x723/0xbe0 [ 5074.826494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5074.826494][ T10] ___sys_sendmsg+0xee/0x170 [ 5074.826494][ T10] __sys_sendmsg+0xcd/0x170 [ 5074.826494][ T10] do_syscall_64+0xc6/0x1e0 [ 5074.826494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5074.826494][ T10] [ 5074.828487][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5074.828730][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5074.828730][ T10] netdev_get_by_index+0x5e/0x80 [ 5074.828730][ T10] fib6_nh_init+0x3d8/0x1580 [ 5074.828730][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5074.828730][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5074.828730][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5074.828730][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5074.828730][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5074.828730][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5074.828730][ T10] addrconf_dad_begin+0x310/0x670 [ 5074.828730][ T10] addrconf_dad_work+0x10b/0xab0 [ 5074.828730][ T10] process_one_work+0x84d/0x18a0 [ 5074.828730][ T10] worker_thread+0x587/0xd30 [ 5074.828730][ T10] kthread+0x28a/0x350 [ 5074.828730][ T10] ret_from_fork+0x31/0x70 [ 5074.828730][ T10] ret_from_fork_asm+0x1a/0x30 [ 5074.828730][ T10] [ 5074.830872][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5074.830872][ T10] netdev_get_by_index+0x5e/0x80 [ 5074.830872][ T10] fib6_nh_init+0x3d8/0x1580 [ 5074.830872][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5074.830872][ T10] ip6_route_add+0x1c/0x140 [ 5074.830872][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5074.830872][ T10] inet6_addr_add+0x4f8/0xa40 [ 5074.830872][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5074.830872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5074.830872][ T10] netlink_rcv_skb+0x130/0x360 [ 5074.830872][ T10] netlink_unicast+0x449/0x710 [ 5074.830872][ T10] netlink_sendmsg+0x723/0xbe0 [ 5074.830872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5074.830872][ T10] ___sys_sendmsg+0xee/0x170 [ 5074.830872][ T10] __sys_sendmsg+0xcd/0x170 [ 5074.830872][ T10] do_syscall_64+0xc6/0x1e0 [ 5074.830872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5074.830872][ T10] [ 5074.833039][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5074.833039][ T10] netdev_get_by_index+0x5e/0x80 [ 5074.833039][ T10] fib6_nh_init+0x3d8/0x1580 [ 5074.833039][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5074.833039][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5074.833039][ T10] ipv6_add_addr+0x411/0x2000 [ 5074.833039][ T10] inet6_addr_add+0x30e/0xa40 [ 5074.833039][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5074.833039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5074.833039][ T10] netlink_rcv_skb+0x130/0x360 [ 5074.833039][ T10] netlink_unicast+0x449/0x710 [ 5074.833039][ T10] netlink_sendmsg+0x723/0xbe0 [ 5074.833039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5074.833039][ T10] ___sys_sendmsg+0xee/0x170 [ 5074.833039][ T10] __sys_sendmsg+0xcd/0x170 [ 5074.833039][ T10] do_syscall_64+0xc6/0x1e0 [ 5074.833039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5074.833039][ T10] [ 5074.835289][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5074.835289][ T10] netdev_get_by_index+0x5e/0x80 [ 5074.835289][ T10] fib6_nh_init+0x3d8/0x1580 [ 5074.835289][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5074.835289][ T10] ip6_route_add+0x1c/0x140 [ 5074.835289][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5074.835289][ T10] addrconf_add_dev+0xe2/0x170 [ 5074.835289][ T10] inet6_addr_add+0x12f/0xa40 [ 5074.835289][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5074.835289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5074.835289][ T10] netlink_rcv_skb+0x130/0x360 [ 5074.835289][ T10] netlink_unicast+0x449/0x710 [ 5074.835289][ T10] netlink_sendmsg+0x723/0xbe0 [ 5074.835289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5074.835289][ T10] ___sys_sendmsg+0xee/0x170 [ 5074.835289][ T10] __sys_sendmsg+0xcd/0x170 [ 5074.835289][ T10] do_syscall_64+0xc6/0x1e0 [ 5074.835289][ T10] [ 5074.837549][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5074.837549][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5074.837549][ T10] ipv6_find_idev+0x102/0x170 [ 5074.837549][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5074.837549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5074.837549][ T10] netlink_rcv_skb+0x130/0x360 [ 5074.837549][ T10] netlink_unicast+0x449/0x710 [ 5074.837549][ T10] netlink_sendmsg+0x723/0xbe0 [ 5074.837549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5074.837549][ T10] ___sys_sendmsg+0xee/0x170 [ 5074.837549][ T10] __sys_sendmsg+0xcd/0x170 [ 5074.837549][ T10] do_syscall_64+0xc6/0x1e0 [ 5074.837549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5074.837549][ T10] [ 5074.839258][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5074.839258][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5074.839258][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5074.839258][ T10] ipv6_find_idev+0x102/0x170 [ 5074.839258][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5074.839258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5074.839258][ T10] netlink_rcv_skb+0x130/0x360 [ 5074.839258][ T10] netlink_unicast+0x449/0x710 [ 5074.839258][ T10] netlink_sendmsg+0x723/0xbe0 [ 5074.839258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5074.839258][ T10] ___sys_sendmsg+0xee/0x170 [ 5074.839258][ T10] __sys_sendmsg+0xcd/0x170 [ 5074.839258][ T10] do_syscall_64+0xc6/0x1e0 [ 5074.839258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5074.839258][ T10] [ 5078.185133][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5078.185619][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5078.185619][ T1167] dst_init+0x84/0x4a0 [ 5078.185619][ T1167] dst_alloc+0x97/0x150 [ 5078.185619][ T1167] ip6_dst_alloc+0x23/0x90 [ 5078.185619][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5078.185619][ T1167] ip6_pol_route+0x56f/0x840 [ 5078.185619][ T1167] fib6_rule_lookup+0x334/0x630 [ 5078.185619][ T1167] ip6_route_output_flags+0x259/0x480 [ 5078.185619][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5078.185619][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5078.185619][ T1167] netlink_rcv_skb+0x130/0x360 [ 5078.185619][ T1167] netlink_unicast+0x449/0x710 [ 5078.185619][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5078.185619][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5078.185619][ T1167] ___sys_sendmsg+0xee/0x170 [ 5078.185619][ T1167] __sys_sendmsg+0xcd/0x170 [ 5078.185619][ T1167] do_syscall_64+0xc6/0x1e0 [ 5078.185619][ T1167] [ 5078.187870][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5078.187870][ T1167] netdev_get_by_index+0x5e/0x80 [ 5078.187870][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5078.187870][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5078.187870][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5078.187870][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5078.187870][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5078.187870][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5078.187870][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5078.187870][ T1167] addrconf_dad_begin+0x310/0x670 [ 5078.187870][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5078.187870][ T1167] process_one_work+0x84d/0x18a0 [ 5078.187870][ T1167] worker_thread+0x587/0xd30 [ 5078.187870][ T1167] kthread+0x28a/0x350 [ 5078.187870][ T1167] ret_from_fork+0x31/0x70 [ 5078.187870][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5078.187870][ T1167] [ 5078.190063][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5078.190063][ T1167] netdev_get_by_index+0x5e/0x80 [ 5078.190063][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5078.190063][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5078.190063][ T1167] ip6_route_add+0x1c/0x140 [ 5078.190063][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5078.190063][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5078.190063][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5078.190063][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5078.190063][ T1167] netlink_rcv_skb+0x130/0x360 [ 5078.190063][ T1167] netlink_unicast+0x449/0x710 [ 5078.190063][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5078.190063][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5078.190063][ T1167] ___sys_sendmsg+0xee/0x170 [ 5078.190063][ T1167] __sys_sendmsg+0xcd/0x170 [ 5078.190063][ T1167] do_syscall_64+0xc6/0x1e0 [ 5078.190063][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5078.190063][ T1167] [ 5078.192331][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5078.192331][ T1167] netdev_get_by_index+0x5e/0x80 [ 5078.192331][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5078.192331][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5078.192331][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5078.192331][ T1167] ipv6_add_addr+0x411/0x2000 [ 5078.192331][ T1167] inet6_addr_add+0x30e/0xa40 [ 5078.192331][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5078.192331][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5078.192331][ T1167] netlink_rcv_skb+0x130/0x360 [ 5078.192331][ T1167] netlink_unicast+0x449/0x710 [ 5078.192331][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5078.192331][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5078.192331][ T1167] ___sys_sendmsg+0xee/0x170 [ 5078.192331][ T1167] __sys_sendmsg+0xcd/0x170 [ 5078.192331][ T1167] do_syscall_64+0xc6/0x1e0 [ 5078.192331][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5078.192331][ T1167] [ 5078.194601][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5078.194601][ T1167] netdev_get_by_index+0x5e/0x80 [ 5078.194601][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5078.194601][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5078.194601][ T1167] ip6_route_add+0x1c/0x140 [ 5078.194601][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5078.194601][ T1167] addrconf_add_dev+0xe2/0x170 [ 5078.194601][ T1167] inet6_addr_add+0x12f/0xa40 [ 5078.194601][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5078.194601][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5078.194601][ T1167] netlink_rcv_skb+0x130/0x360 [ 5078.194601][ T1167] netlink_unicast+0x449/0x710 [ 5078.194601][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5078.194601][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5078.194601][ T1167] ___sys_sendmsg+0xee/0x170 [ 5078.194601][ T1167] __sys_sendmsg+0xcd/0x170 [ 5078.194601][ T1167] do_syscall_64+0xc6/0x1e0 [ 5078.194601][ T1167] [ 5078.196829][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5078.196829][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5078.196829][ T1167] ipv6_find_idev+0x102/0x170 [ 5078.196829][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5078.196829][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5078.196829][ T1167] netlink_rcv_skb+0x130/0x360 [ 5078.196829][ T1167] netlink_unicast+0x449/0x710 [ 5078.196829][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5078.196829][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5078.196829][ T1167] ___sys_sendmsg+0xee/0x170 [ 5078.196829][ T1167] __sys_sendmsg+0xcd/0x170 [ 5078.196829][ T1167] do_syscall_64+0xc6/0x1e0 [ 5078.196829][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5078.196829][ T1167] [ 5078.198573][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5078.198573][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5078.198573][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5078.198573][ T1167] ipv6_find_idev+0x102/0x170 [ 5078.198573][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5078.198573][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5078.198573][ T1167] netlink_rcv_skb+0x130/0x360 [ 5078.198573][ T1167] netlink_unicast+0x449/0x710 [ 5078.198573][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5078.198573][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5078.198573][ T1167] ___sys_sendmsg+0xee/0x170 [ 5078.198573][ T1167] __sys_sendmsg+0xcd/0x170 [ 5078.198573][ T1167] do_syscall_64+0xc6/0x1e0 [ 5078.198573][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5078.198573][ T1167] [ 5085.081054][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5085.081491][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5085.081491][ T10] netdev_get_by_index+0x5e/0x80 [ 5085.081491][ T10] fib6_nh_init+0x3d8/0x1580 [ 5085.081491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5085.081491][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5085.081491][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5085.081491][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5085.081491][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5085.081491][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5085.081491][ T10] addrconf_dad_begin+0x310/0x670 [ 5085.081491][ T10] addrconf_dad_work+0x10b/0xab0 [ 5085.081491][ T10] process_one_work+0x84d/0x18a0 [ 5085.081491][ T10] worker_thread+0x587/0xd30 [ 5085.081491][ T10] kthread+0x28a/0x350 [ 5085.081491][ T10] ret_from_fork+0x31/0x70 [ 5085.081491][ T10] ret_from_fork_asm+0x1a/0x30 [ 5085.081491][ T10] [ 5085.083419][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5085.083419][ T10] netdev_get_by_index+0x5e/0x80 [ 5085.083419][ T10] fib6_nh_init+0x3d8/0x1580 [ 5085.083419][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5085.083419][ T10] ip6_route_add+0x1c/0x140 [ 5085.083419][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5085.083419][ T10] inet6_addr_add+0x4f8/0xa40 [ 5085.083419][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5085.083419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5085.083419][ T10] netlink_rcv_skb+0x130/0x360 [ 5085.083419][ T10] netlink_unicast+0x449/0x710 [ 5085.083419][ T10] netlink_sendmsg+0x723/0xbe0 [ 5085.083419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5085.083419][ T10] ___sys_sendmsg+0xee/0x170 [ 5085.083419][ T10] __sys_sendmsg+0xcd/0x170 [ 5085.083419][ T10] do_syscall_64+0xc6/0x1e0 [ 5085.083419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5085.083419][ T10] [ 5085.085420][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5085.085420][ T10] netdev_get_by_index+0x5e/0x80 [ 5085.085420][ T10] fib6_nh_init+0x3d8/0x1580 [ 5085.085420][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5085.085420][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5085.085420][ T10] ipv6_add_addr+0x411/0x2000 [ 5085.085420][ T10] inet6_addr_add+0x30e/0xa40 [ 5085.085420][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5085.085420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5085.085420][ T10] netlink_rcv_skb+0x130/0x360 [ 5085.085420][ T10] netlink_unicast+0x449/0x710 [ 5085.085420][ T10] netlink_sendmsg+0x723/0xbe0 [ 5085.085420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5085.085420][ T10] ___sys_sendmsg+0xee/0x170 [ 5085.085420][ T10] __sys_sendmsg+0xcd/0x170 [ 5085.085420][ T10] do_syscall_64+0xc6/0x1e0 [ 5085.085420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5085.085420][ T10] [ 5085.087408][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5085.087408][ T10] netdev_get_by_index+0x5e/0x80 [ 5085.087408][ T10] fib6_nh_init+0x3d8/0x1580 [ 5085.087408][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5085.087408][ T10] ip6_route_add+0x1c/0x140 [ 5085.087408][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5085.087408][ T10] addrconf_add_dev+0xe2/0x170 [ 5085.087408][ T10] inet6_addr_add+0x12f/0xa40 [ 5085.087408][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5085.087408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5085.087408][ T10] netlink_rcv_skb+0x130/0x360 [ 5085.087408][ T10] netlink_unicast+0x449/0x710 [ 5085.087408][ T10] netlink_sendmsg+0x723/0xbe0 [ 5085.087408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5085.087408][ T10] ___sys_sendmsg+0xee/0x170 [ 5085.087408][ T10] __sys_sendmsg+0xcd/0x170 [ 5085.087408][ T10] do_syscall_64+0xc6/0x1e0 [ 5085.087408][ T10] [ 5085.089369][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5085.089369][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5085.089369][ T10] ipv6_find_idev+0x102/0x170 [ 5085.089369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5085.089369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5085.089369][ T10] netlink_rcv_skb+0x130/0x360 [ 5085.089369][ T10] netlink_unicast+0x449/0x710 [ 5085.089369][ T10] netlink_sendmsg+0x723/0xbe0 [ 5085.089369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5085.089369][ T10] ___sys_sendmsg+0xee/0x170 [ 5085.089369][ T10] __sys_sendmsg+0xcd/0x170 [ 5085.089369][ T10] do_syscall_64+0xc6/0x1e0 [ 5085.089369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5085.089369][ T10] [ 5085.090889][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5085.090889][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5085.090889][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5085.090889][ T10] ipv6_find_idev+0x102/0x170 [ 5085.090889][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5085.090889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5085.090889][ T10] netlink_rcv_skb+0x130/0x360 [ 5085.090889][ T10] netlink_unicast+0x449/0x710 [ 5085.090889][ T10] netlink_sendmsg+0x723/0xbe0 [ 5085.090889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5085.090889][ T10] ___sys_sendmsg+0xee/0x170 [ 5085.090889][ T10] __sys_sendmsg+0xcd/0x170 [ 5085.090889][ T10] do_syscall_64+0xc6/0x1e0 [ 5085.090889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5085.090889][ T10] [ 5085.092580][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5085.093426][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5085.093426][ T10] netdev_get_by_index+0x5e/0x80 [ 5085.093426][ T10] fib6_nh_init+0x3d8/0x1580 [ 5085.093426][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5085.093426][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5085.093426][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5085.093426][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5085.093426][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5085.093426][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5085.093426][ T10] addrconf_dad_begin+0x310/0x670 [ 5085.093426][ T10] addrconf_dad_work+0x10b/0xab0 [ 5085.093426][ T10] process_one_work+0x84d/0x18a0 [ 5085.093426][ T10] worker_thread+0x587/0xd30 [ 5085.093426][ T10] kthread+0x28a/0x350 [ 5085.093426][ T10] ret_from_fork+0x31/0x70 [ 5085.093426][ T10] ret_from_fork_asm+0x1a/0x30 [ 5085.093426][ T10] [ 5085.095335][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5085.095335][ T10] netdev_get_by_index+0x5e/0x80 [ 5085.095335][ T10] fib6_nh_init+0x3d8/0x1580 [ 5085.095335][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5085.095335][ T10] ip6_route_add+0x1c/0x140 [ 5085.095335][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5085.095335][ T10] inet6_addr_add+0x4f8/0xa40 [ 5085.095335][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5085.095335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5085.095335][ T10] netlink_rcv_skb+0x130/0x360 [ 5085.095335][ T10] netlink_unicast+0x449/0x710 [ 5085.095335][ T10] netlink_sendmsg+0x723/0xbe0 [ 5085.095335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5085.095335][ T10] ___sys_sendmsg+0xee/0x170 [ 5085.095335][ T10] __sys_sendmsg+0xcd/0x170 [ 5085.095335][ T10] do_syscall_64+0xc6/0x1e0 [ 5085.095335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5085.095335][ T10] [ 5085.097315][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5085.097315][ T10] netdev_get_by_index+0x5e/0x80 [ 5085.097315][ T10] fib6_nh_init+0x3d8/0x1580 [ 5085.097315][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5085.097315][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5085.097315][ T10] ipv6_add_addr+0x411/0x2000 [ 5085.097315][ T10] inet6_addr_add+0x30e/0xa40 [ 5085.097315][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5085.097315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5085.097315][ T10] netlink_rcv_skb+0x130/0x360 [ 5085.097315][ T10] netlink_unicast+0x449/0x710 [ 5085.097315][ T10] netlink_sendmsg+0x723/0xbe0 [ 5085.097315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5085.097315][ T10] ___sys_sendmsg+0xee/0x170 [ 5085.097315][ T10] __sys_sendmsg+0xcd/0x170 [ 5085.097315][ T10] do_syscall_64+0xc6/0x1e0 [ 5085.097315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5085.097315][ T10] [ 5085.099314][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5085.099314][ T10] netdev_get_by_index+0x5e/0x80 [ 5085.099314][ T10] fib6_nh_init+0x3d8/0x1580 [ 5085.099314][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5085.099314][ T10] ip6_route_add+0x1c/0x140 [ 5085.099314][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5085.099314][ T10] addrconf_add_dev+0xe2/0x170 [ 5085.099314][ T10] inet6_addr_add+0x12f/0xa40 [ 5085.099314][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5085.099314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5085.099314][ T10] netlink_rcv_skb+0x130/0x360 [ 5085.099314][ T10] netlink_unicast+0x449/0x710 [ 5085.099314][ T10] netlink_sendmsg+0x723/0xbe0 [ 5085.099314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5085.099314][ T10] ___sys_sendmsg+0xee/0x170 [ 5085.099314][ T10] __sys_sendmsg+0xcd/0x170 [ 5085.099314][ T10] do_syscall_64+0xc6/0x1e0 [ 5085.099314][ T10] [ 5085.101258][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5085.101258][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5085.101258][ T10] ipv6_find_idev+0x102/0x170 [ 5085.101258][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5085.101258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5085.101258][ T10] netlink_rcv_skb+0x130/0x360 [ 5085.101258][ T10] netlink_unicast+0x449/0x710 [ 5085.101258][ T10] netlink_sendmsg+0x723/0xbe0 [ 5085.101258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5085.101258][ T10] ___sys_sendmsg+0xee/0x170 [ 5085.101258][ T10] __sys_sendmsg+0xcd/0x170 [ 5085.101258][ T10] do_syscall_64+0xc6/0x1e0 [ 5085.101258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5085.101258][ T10] [ 5085.102781][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5085.102781][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5085.102781][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5085.102781][ T10] ipv6_find_idev+0x102/0x170 [ 5085.102781][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5085.102781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5085.102781][ T10] netlink_rcv_skb+0x130/0x360 [ 5085.102781][ T10] netlink_unicast+0x449/0x710 [ 5085.102781][ T10] netlink_sendmsg+0x723/0xbe0 [ 5085.102781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5085.102781][ T10] ___sys_sendmsg+0xee/0x170 [ 5085.102781][ T10] __sys_sendmsg+0xcd/0x170 [ 5085.102781][ T10] do_syscall_64+0xc6/0x1e0 [ 5085.102781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5085.102781][ T10] [ 5085.104487][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5085.104726][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5085.104726][ T10] netdev_get_by_index+0x5e/0x80 [ 5085.104726][ T10] fib6_nh_init+0x3d8/0x1580 [ 5085.104726][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5085.104726][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5085.104726][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5085.104726][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5085.104726][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5085.104726][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5085.104726][ T10] addrconf_dad_begin+0x310/0x670 [ 5085.104726][ T10] addrconf_dad_work+0x10b/0xab0 [ 5085.104726][ T10] process_one_work+0x84d/0x18a0 [ 5085.104726][ T10] worker_thread+0x587/0xd30 [ 5085.104726][ T10] kthread+0x28a/0x350 [ 5085.104726][ T10] ret_from_fork+0x31/0x70 [ 5085.104726][ T10] ret_from_fork_asm+0x1a/0x30 [ 5085.104726][ T10] [ 5085.106618][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5085.106618][ T10] netdev_get_by_index+0x5e/0x80 [ 5085.106618][ T10] fib6_nh_init+0x3d8/0x1580 [ 5085.106618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5085.106618][ T10] ip6_route_add+0x1c/0x140 [ 5085.106618][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5085.106618][ T10] inet6_addr_add+0x4f8/0xa40 [ 5085.106618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5085.106618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5085.106618][ T10] netlink_rcv_skb+0x130/0x360 [ 5085.106618][ T10] netlink_unicast+0x449/0x710 [ 5085.106618][ T10] netlink_sendmsg+0x723/0xbe0 [ 5085.106618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5085.106618][ T10] ___sys_sendmsg+0xee/0x170 [ 5085.106618][ T10] __sys_sendmsg+0xcd/0x170 [ 5085.106618][ T10] do_syscall_64+0xc6/0x1e0 [ 5085.106618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5085.106618][ T10] [ 5085.108722][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5085.108722][ T10] netdev_get_by_index+0x5e/0x80 [ 5085.108722][ T10] fib6_nh_init+0x3d8/0x1580 [ 5085.108722][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5085.108722][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5085.108722][ T10] ipv6_add_addr+0x411/0x2000 [ 5085.108722][ T10] inet6_addr_add+0x30e/0xa40 [ 5085.108722][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5085.108722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5085.108722][ T10] netlink_rcv_skb+0x130/0x360 [ 5085.108722][ T10] netlink_unicast+0x449/0x710 [ 5085.108722][ T10] netlink_sendmsg+0x723/0xbe0 [ 5085.108722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5085.108722][ T10] ___sys_sendmsg+0xee/0x170 [ 5085.108722][ T10] __sys_sendmsg+0xcd/0x170 [ 5085.108722][ T10] do_syscall_64+0xc6/0x1e0 [ 5085.108722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5085.108722][ T10] [ 5085.110814][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5085.110814][ T10] netdev_get_by_index+0x5e/0x80 [ 5085.110814][ T10] fib6_nh_init+0x3d8/0x1580 [ 5085.110814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5085.110814][ T10] ip6_route_add+0x1c/0x140 [ 5085.110814][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5085.110814][ T10] addrconf_add_dev+0xe2/0x170 [ 5085.110814][ T10] inet6_addr_add+0x12f/0xa40 [ 5085.110814][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5085.110814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5085.110814][ T10] netlink_rcv_skb+0x130/0x360 [ 5085.110814][ T10] netlink_unicast+0x449/0x710 [ 5085.110814][ T10] netlink_sendmsg+0x723/0xbe0 [ 5085.110814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5085.110814][ T10] ___sys_sendmsg+0xee/0x170 [ 5085.110814][ T10] __sys_sendmsg+0xcd/0x170 [ 5085.110814][ T10] do_syscall_64+0xc6/0x1e0 [ 5085.110814][ T10] [ 5085.112875][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5085.112875][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5085.112875][ T10] ipv6_find_idev+0x102/0x170 [ 5085.112875][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5085.112875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5085.112875][ T10] netlink_rcv_skb+0x130/0x360 [ 5085.112875][ T10] netlink_unicast+0x449/0x710 [ 5085.112875][ T10] netlink_sendmsg+0x723/0xbe0 [ 5085.112875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5085.112875][ T10] ___sys_sendmsg+0xee/0x170 [ 5085.112875][ T10] __sys_sendmsg+0xcd/0x170 [ 5085.112875][ T10] do_syscall_64+0xc6/0x1e0 [ 5085.112875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5085.112875][ T10] [ 5085.114462][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5085.114462][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5085.114462][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5085.114462][ T10] ipv6_find_idev+0x102/0x170 [ 5085.114462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5085.114462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5085.114462][ T10] netlink_rcv_skb+0x130/0x360 [ 5085.114462][ T10] netlink_unicast+0x449/0x710 [ 5085.114462][ T10] netlink_sendmsg+0x723/0xbe0 [ 5085.114462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5085.114462][ T10] ___sys_sendmsg+0xee/0x170 [ 5085.114462][ T10] __sys_sendmsg+0xcd/0x170 [ 5085.114462][ T10] do_syscall_64+0xc6/0x1e0 [ 5085.114462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5085.114462][ T10] [ 5085.116259][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5085.116491][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5085.116491][ T10] netdev_get_by_index+0x5e/0x80 [ 5085.116491][ T10] fib6_nh_init+0x3d8/0x1580 [ 5085.116491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5085.116491][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5085.116491][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5085.116491][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5085.116491][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5085.116491][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5085.116491][ T10] addrconf_dad_begin+0x310/0x670 [ 5085.116491][ T10] addrconf_dad_work+0x10b/0xab0 [ 5085.116491][ T10] process_one_work+0x84d/0x18a0 [ 5085.116491][ T10] worker_thread+0x587/0xd30 [ 5085.116491][ T10] kthread+0x28a/0x350 [ 5085.116491][ T10] ret_from_fork+0x31/0x70 [ 5085.116491][ T10] ret_from_fork_asm+0x1a/0x30 [ 5085.116491][ T10] [ 5085.120922][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5085.120922][ T10] netdev_get_by_index+0x5e/0x80 [ 5085.120922][ T10] fib6_nh_init+0x3d8/0x1580 [ 5085.120922][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5085.120922][ T10] ip6_route_add+0x1c/0x140 [ 5085.120922][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5085.120922][ T10] inet6_addr_add+0x4f8/0xa40 [ 5085.120922][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5085.120922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5085.120922][ T10] netlink_rcv_skb+0x130/0x360 [ 5085.120922][ T10] netlink_unicast+0x449/0x710 [ 5085.120922][ T10] netlink_sendmsg+0x723/0xbe0 [ 5085.120922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5085.120922][ T10] ___sys_sendmsg+0xee/0x170 [ 5085.120922][ T10] __sys_sendmsg+0xcd/0x170 [ 5085.120922][ T10] do_syscall_64+0xc6/0x1e0 [ 5085.120922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5085.120922][ T10] [ 5085.123086][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5085.123086][ T10] netdev_get_by_index+0x5e/0x80 [ 5085.123086][ T10] fib6_nh_init+0x3d8/0x1580 [ 5085.123086][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5085.123086][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5085.123086][ T10] ipv6_add_addr+0x411/0x2000 [ 5085.123086][ T10] inet6_addr_add+0x30e/0xa40 [ 5085.123086][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5085.123086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5085.123086][ T10] netlink_rcv_skb+0x130/0x360 [ 5085.123086][ T10] netlink_unicast+0x449/0x710 [ 5085.123086][ T10] netlink_sendmsg+0x723/0xbe0 [ 5085.123086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5085.123086][ T10] ___sys_sendmsg+0xee/0x170 [ 5085.123086][ T10] __sys_sendmsg+0xcd/0x170 [ 5085.123086][ T10] do_syscall_64+0xc6/0x1e0 [ 5085.123086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5085.123086][ T10] [ 5085.125328][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5085.125328][ T10] netdev_get_by_index+0x5e/0x80 [ 5085.125328][ T10] fib6_nh_init+0x3d8/0x1580 [ 5085.125328][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5085.125328][ T10] ip6_route_add+0x1c/0x140 [ 5085.125328][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5085.125328][ T10] addrconf_add_dev+0xe2/0x170 [ 5085.125328][ T10] inet6_addr_add+0x12f/0xa40 [ 5085.125328][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5085.125328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5085.125328][ T10] netlink_rcv_skb+0x130/0x360 [ 5085.125328][ T10] netlink_unicast+0x449/0x710 [ 5085.125328][ T10] netlink_sendmsg+0x723/0xbe0 [ 5085.125328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5085.125328][ T10] ___sys_sendmsg+0xee/0x170 [ 5085.125328][ T10] __sys_sendmsg+0xcd/0x170 [ 5085.125328][ T10] do_syscall_64+0xc6/0x1e0 [ 5085.125328][ T10] [ 5085.127526][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5085.127526][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5085.127526][ T10] ipv6_find_idev+0x102/0x170 [ 5085.127526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5085.127526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5085.127526][ T10] netlink_rcv_skb+0x130/0x360 [ 5085.127526][ T10] netlink_unicast+0x449/0x710 [ 5085.127526][ T10] netlink_sendmsg+0x723/0xbe0 [ 5085.127526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5085.127526][ T10] ___sys_sendmsg+0xee/0x170 [ 5085.127526][ T10] __sys_sendmsg+0xcd/0x170 [ 5085.127526][ T10] do_syscall_64+0xc6/0x1e0 [ 5085.127526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5085.127526][ T10] [ 5085.129259][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5085.129259][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5085.129259][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5085.129259][ T10] ipv6_find_idev+0x102/0x170 [ 5085.129259][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5085.129259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5085.129259][ T10] netlink_rcv_skb+0x130/0x360 [ 5085.129259][ T10] netlink_unicast+0x449/0x710 [ 5085.129259][ T10] netlink_sendmsg+0x723/0xbe0 [ 5085.129259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5085.129259][ T10] ___sys_sendmsg+0xee/0x170 [ 5085.129259][ T10] __sys_sendmsg+0xcd/0x170 [ 5085.129259][ T10] do_syscall_64+0xc6/0x1e0 [ 5085.129259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5085.129259][ T10] [ 5088.449108][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5088.449549][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5088.449549][ T1167] dst_init+0x84/0x4a0 [ 5088.449549][ T1167] dst_alloc+0x97/0x150 [ 5088.449549][ T1167] ip6_dst_alloc+0x23/0x90 [ 5088.449549][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5088.449549][ T1167] ip6_pol_route+0x56f/0x840 [ 5088.449549][ T1167] fib6_rule_lookup+0x334/0x630 [ 5088.449549][ T1167] ip6_route_output_flags+0x259/0x480 [ 5088.449549][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5088.449549][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5088.449549][ T1167] netlink_rcv_skb+0x130/0x360 [ 5088.449549][ T1167] netlink_unicast+0x449/0x710 [ 5088.449549][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5088.449549][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5088.449549][ T1167] ___sys_sendmsg+0xee/0x170 [ 5088.449549][ T1167] __sys_sendmsg+0xcd/0x170 [ 5088.449549][ T1167] do_syscall_64+0xc6/0x1e0 [ 5088.449549][ T1167] [ 5088.451772][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5088.451772][ T1167] netdev_get_by_index+0x5e/0x80 [ 5088.451772][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5088.451772][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5088.451772][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5088.451772][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5088.451772][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5088.451772][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5088.451772][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5088.451772][ T1167] addrconf_dad_begin+0x310/0x670 [ 5088.451772][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5088.451772][ T1167] process_one_work+0x84d/0x18a0 [ 5088.451772][ T1167] worker_thread+0x587/0xd30 [ 5088.451772][ T1167] kthread+0x28a/0x350 [ 5088.451772][ T1167] ret_from_fork+0x31/0x70 [ 5088.451772][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5088.451772][ T1167] [ 5088.456081][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5088.456081][ T1167] netdev_get_by_index+0x5e/0x80 [ 5088.456081][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5088.456081][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5088.456081][ T1167] ip6_route_add+0x1c/0x140 [ 5088.456081][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5088.456081][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5088.456081][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5088.456081][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5088.456081][ T1167] netlink_rcv_skb+0x130/0x360 [ 5088.456081][ T1167] netlink_unicast+0x449/0x710 [ 5088.456081][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5088.456081][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5088.456081][ T1167] ___sys_sendmsg+0xee/0x170 [ 5088.456081][ T1167] __sys_sendmsg+0xcd/0x170 [ 5088.456081][ T1167] do_syscall_64+0xc6/0x1e0 [ 5088.456081][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5088.456081][ T1167] [ 5088.458392][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5088.458392][ T1167] netdev_get_by_index+0x5e/0x80 [ 5088.458392][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5088.458392][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5088.458392][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5088.458392][ T1167] ipv6_add_addr+0x411/0x2000 [ 5088.458392][ T1167] inet6_addr_add+0x30e/0xa40 [ 5088.458392][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5088.458392][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5088.458392][ T1167] netlink_rcv_skb+0x130/0x360 [ 5088.458392][ T1167] netlink_unicast+0x449/0x710 [ 5088.458392][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5088.458392][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5088.458392][ T1167] ___sys_sendmsg+0xee/0x170 [ 5088.458392][ T1167] __sys_sendmsg+0xcd/0x170 [ 5088.458392][ T1167] do_syscall_64+0xc6/0x1e0 [ 5088.458392][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5088.458392][ T1167] [ 5088.460686][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5088.460686][ T1167] netdev_get_by_index+0x5e/0x80 [ 5088.460686][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5088.460686][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5088.460686][ T1167] ip6_route_add+0x1c/0x140 [ 5088.460686][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5088.460686][ T1167] addrconf_add_dev+0xe2/0x170 [ 5088.460686][ T1167] inet6_addr_add+0x12f/0xa40 [ 5088.460686][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5088.460686][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5088.460686][ T1167] netlink_rcv_skb+0x130/0x360 [ 5088.460686][ T1167] netlink_unicast+0x449/0x710 [ 5088.460686][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5088.460686][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5088.460686][ T1167] ___sys_sendmsg+0xee/0x170 [ 5088.460686][ T1167] __sys_sendmsg+0xcd/0x170 [ 5088.460686][ T1167] do_syscall_64+0xc6/0x1e0 [ 5088.460686][ T1167] [ 5088.462969][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5088.462969][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5088.462969][ T1167] ipv6_find_idev+0x102/0x170 [ 5088.462969][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5088.462969][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5088.462969][ T1167] netlink_rcv_skb+0x130/0x360 [ 5088.462969][ T1167] netlink_unicast+0x449/0x710 [ 5088.462969][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5088.462969][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5088.462969][ T1167] ___sys_sendmsg+0xee/0x170 [ 5088.462969][ T1167] __sys_sendmsg+0xcd/0x170 [ 5088.462969][ T1167] do_syscall_64+0xc6/0x1e0 [ 5088.462969][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5088.462969][ T1167] [ 5088.464743][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5088.464743][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5088.464743][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5088.464743][ T1167] ipv6_find_idev+0x102/0x170 [ 5088.464743][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5088.464743][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5088.464743][ T1167] netlink_rcv_skb+0x130/0x360 [ 5088.464743][ T1167] netlink_unicast+0x449/0x710 [ 5088.464743][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5088.464743][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5088.464743][ T1167] ___sys_sendmsg+0xee/0x170 [ 5088.464743][ T1167] __sys_sendmsg+0xcd/0x170 [ 5088.464743][ T1167] do_syscall_64+0xc6/0x1e0 [ 5088.464743][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5088.464743][ T1167] [ 5095.369111][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5095.369514][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5095.369514][ T10] netdev_get_by_index+0x5e/0x80 [ 5095.369514][ T10] fib6_nh_init+0x3d8/0x1580 [ 5095.369514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5095.369514][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5095.369514][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5095.369514][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5095.369514][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5095.369514][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5095.369514][ T10] addrconf_dad_begin+0x310/0x670 [ 5095.369514][ T10] addrconf_dad_work+0x10b/0xab0 [ 5095.369514][ T10] process_one_work+0x84d/0x18a0 [ 5095.369514][ T10] worker_thread+0x587/0xd30 [ 5095.369514][ T10] kthread+0x28a/0x350 [ 5095.369514][ T10] ret_from_fork+0x31/0x70 [ 5095.369514][ T10] ret_from_fork_asm+0x1a/0x30 [ 5095.369514][ T10] [ 5095.371481][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5095.371481][ T10] netdev_get_by_index+0x5e/0x80 [ 5095.371481][ T10] fib6_nh_init+0x3d8/0x1580 [ 5095.371481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5095.371481][ T10] ip6_route_add+0x1c/0x140 [ 5095.371481][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5095.371481][ T10] inet6_addr_add+0x4f8/0xa40 [ 5095.371481][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5095.371481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5095.371481][ T10] netlink_rcv_skb+0x130/0x360 [ 5095.371481][ T10] netlink_unicast+0x449/0x710 [ 5095.371481][ T10] netlink_sendmsg+0x723/0xbe0 [ 5095.371481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5095.371481][ T10] ___sys_sendmsg+0xee/0x170 [ 5095.371481][ T10] __sys_sendmsg+0xcd/0x170 [ 5095.371481][ T10] do_syscall_64+0xc6/0x1e0 [ 5095.371481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5095.371481][ T10] [ 5095.373477][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5095.373477][ T10] netdev_get_by_index+0x5e/0x80 [ 5095.373477][ T10] fib6_nh_init+0x3d8/0x1580 [ 5095.373477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5095.373477][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5095.373477][ T10] ipv6_add_addr+0x411/0x2000 [ 5095.373477][ T10] inet6_addr_add+0x30e/0xa40 [ 5095.373477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5095.373477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5095.373477][ T10] netlink_rcv_skb+0x130/0x360 [ 5095.373477][ T10] netlink_unicast+0x449/0x710 [ 5095.373477][ T10] netlink_sendmsg+0x723/0xbe0 [ 5095.373477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5095.373477][ T10] ___sys_sendmsg+0xee/0x170 [ 5095.373477][ T10] __sys_sendmsg+0xcd/0x170 [ 5095.373477][ T10] do_syscall_64+0xc6/0x1e0 [ 5095.373477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5095.373477][ T10] [ 5095.375482][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5095.375482][ T10] netdev_get_by_index+0x5e/0x80 [ 5095.375482][ T10] fib6_nh_init+0x3d8/0x1580 [ 5095.375482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5095.375482][ T10] ip6_route_add+0x1c/0x140 [ 5095.375482][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5095.375482][ T10] addrconf_add_dev+0xe2/0x170 [ 5095.375482][ T10] inet6_addr_add+0x12f/0xa40 [ 5095.375482][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5095.375482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5095.375482][ T10] netlink_rcv_skb+0x130/0x360 [ 5095.375482][ T10] netlink_unicast+0x449/0x710 [ 5095.375482][ T10] netlink_sendmsg+0x723/0xbe0 [ 5095.375482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5095.375482][ T10] ___sys_sendmsg+0xee/0x170 [ 5095.375482][ T10] __sys_sendmsg+0xcd/0x170 [ 5095.375482][ T10] do_syscall_64+0xc6/0x1e0 [ 5095.375482][ T10] [ 5095.377445][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5095.377445][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5095.377445][ T10] ipv6_find_idev+0x102/0x170 [ 5095.377445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5095.377445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5095.377445][ T10] netlink_rcv_skb+0x130/0x360 [ 5095.377445][ T10] netlink_unicast+0x449/0x710 [ 5095.377445][ T10] netlink_sendmsg+0x723/0xbe0 [ 5095.377445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5095.377445][ T10] ___sys_sendmsg+0xee/0x170 [ 5095.377445][ T10] __sys_sendmsg+0xcd/0x170 [ 5095.377445][ T10] do_syscall_64+0xc6/0x1e0 [ 5095.377445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5095.377445][ T10] [ 5095.378975][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5095.378975][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5095.378975][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5095.378975][ T10] ipv6_find_idev+0x102/0x170 [ 5095.378975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5095.378975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5095.378975][ T10] netlink_rcv_skb+0x130/0x360 [ 5095.378975][ T10] netlink_unicast+0x449/0x710 [ 5095.378975][ T10] netlink_sendmsg+0x723/0xbe0 [ 5095.378975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5095.378975][ T10] ___sys_sendmsg+0xee/0x170 [ 5095.378975][ T10] __sys_sendmsg+0xcd/0x170 [ 5095.378975][ T10] do_syscall_64+0xc6/0x1e0 [ 5095.378975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5095.378975][ T10] [ 5095.380654][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5095.380895][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5095.380895][ T10] netdev_get_by_index+0x5e/0x80 [ 5095.380895][ T10] fib6_nh_init+0x3d8/0x1580 [ 5095.380895][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5095.380895][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5095.380895][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5095.380895][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5095.380895][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5095.380895][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5095.380895][ T10] addrconf_dad_begin+0x310/0x670 [ 5095.380895][ T10] addrconf_dad_work+0x10b/0xab0 [ 5095.380895][ T10] process_one_work+0x84d/0x18a0 [ 5095.380895][ T10] worker_thread+0x587/0xd30 [ 5095.380895][ T10] kthread+0x28a/0x350 [ 5095.380895][ T10] ret_from_fork+0x31/0x70 [ 5095.380895][ T10] ret_from_fork_asm+0x1a/0x30 [ 5095.380895][ T10] [ 5095.382812][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5095.382812][ T10] netdev_get_by_index+0x5e/0x80 [ 5095.382812][ T10] fib6_nh_init+0x3d8/0x1580 [ 5095.382812][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5095.382812][ T10] ip6_route_add+0x1c/0x140 [ 5095.382812][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5095.382812][ T10] inet6_addr_add+0x4f8/0xa40 [ 5095.382812][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5095.382812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5095.382812][ T10] netlink_rcv_skb+0x130/0x360 [ 5095.382812][ T10] netlink_unicast+0x449/0x710 [ 5095.382812][ T10] netlink_sendmsg+0x723/0xbe0 [ 5095.382812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5095.382812][ T10] ___sys_sendmsg+0xee/0x170 [ 5095.382812][ T10] __sys_sendmsg+0xcd/0x170 [ 5095.382812][ T10] do_syscall_64+0xc6/0x1e0 [ 5095.382812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5095.382812][ T10] [ 5095.384805][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5095.384805][ T10] netdev_get_by_index+0x5e/0x80 [ 5095.384805][ T10] fib6_nh_init+0x3d8/0x1580 [ 5095.384805][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5095.384805][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5095.384805][ T10] ipv6_add_addr+0x411/0x2000 [ 5095.384805][ T10] inet6_addr_add+0x30e/0xa40 [ 5095.384805][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5095.384805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5095.384805][ T10] netlink_rcv_skb+0x130/0x360 [ 5095.384805][ T10] netlink_unicast+0x449/0x710 [ 5095.384805][ T10] netlink_sendmsg+0x723/0xbe0 [ 5095.384805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5095.384805][ T10] ___sys_sendmsg+0xee/0x170 [ 5095.384805][ T10] __sys_sendmsg+0xcd/0x170 [ 5095.384805][ T10] do_syscall_64+0xc6/0x1e0 [ 5095.384805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5095.384805][ T10] [ 5095.386807][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5095.386807][ T10] netdev_get_by_index+0x5e/0x80 [ 5095.386807][ T10] fib6_nh_init+0x3d8/0x1580 [ 5095.386807][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5095.386807][ T10] ip6_route_add+0x1c/0x140 [ 5095.386807][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5095.386807][ T10] addrconf_add_dev+0xe2/0x170 [ 5095.386807][ T10] inet6_addr_add+0x12f/0xa40 [ 5095.386807][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5095.386807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5095.386807][ T10] netlink_rcv_skb+0x130/0x360 [ 5095.386807][ T10] netlink_unicast+0x449/0x710 [ 5095.386807][ T10] netlink_sendmsg+0x723/0xbe0 [ 5095.386807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5095.386807][ T10] ___sys_sendmsg+0xee/0x170 [ 5095.386807][ T10] __sys_sendmsg+0xcd/0x170 [ 5095.386807][ T10] do_syscall_64+0xc6/0x1e0 [ 5095.386807][ T10] [ 5095.388771][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5095.388771][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5095.388771][ T10] ipv6_find_idev+0x102/0x170 [ 5095.388771][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5095.388771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5095.388771][ T10] netlink_rcv_skb+0x130/0x360 [ 5095.388771][ T10] netlink_unicast+0x449/0x710 [ 5095.388771][ T10] netlink_sendmsg+0x723/0xbe0 [ 5095.388771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5095.388771][ T10] ___sys_sendmsg+0xee/0x170 [ 5095.388771][ T10] __sys_sendmsg+0xcd/0x170 [ 5095.388771][ T10] do_syscall_64+0xc6/0x1e0 [ 5095.388771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5095.388771][ T10] [ 5095.390322][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5095.390322][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5095.390322][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5095.390322][ T10] ipv6_find_idev+0x102/0x170 [ 5095.390322][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5095.390322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5095.390322][ T10] netlink_rcv_skb+0x130/0x360 [ 5095.390322][ T10] netlink_unicast+0x449/0x710 [ 5095.390322][ T10] netlink_sendmsg+0x723/0xbe0 [ 5095.390322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5095.390322][ T10] ___sys_sendmsg+0xee/0x170 [ 5095.390322][ T10] __sys_sendmsg+0xcd/0x170 [ 5095.390322][ T10] do_syscall_64+0xc6/0x1e0 [ 5095.390322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5095.390322][ T10] [ 5095.392026][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5095.392261][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5095.392261][ T10] netdev_get_by_index+0x5e/0x80 [ 5095.392261][ T10] fib6_nh_init+0x3d8/0x1580 [ 5095.392261][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5095.392261][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5095.392261][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5095.392261][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5095.392261][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5095.392261][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5095.392261][ T10] addrconf_dad_begin+0x310/0x670 [ 5095.392261][ T10] addrconf_dad_work+0x10b/0xab0 [ 5095.392261][ T10] process_one_work+0x84d/0x18a0 [ 5095.392261][ T10] worker_thread+0x587/0xd30 [ 5095.392261][ T10] kthread+0x28a/0x350 [ 5095.392261][ T10] ret_from_fork+0x31/0x70 [ 5095.392261][ T10] ret_from_fork_asm+0x1a/0x30 [ 5095.392261][ T10] [ 5095.394181][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5095.394181][ T10] netdev_get_by_index+0x5e/0x80 [ 5095.394181][ T10] fib6_nh_init+0x3d8/0x1580 [ 5095.394181][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5095.394181][ T10] ip6_route_add+0x1c/0x140 [ 5095.394181][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5095.394181][ T10] inet6_addr_add+0x4f8/0xa40 [ 5095.394181][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5095.394181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5095.394181][ T10] netlink_rcv_skb+0x130/0x360 [ 5095.394181][ T10] netlink_unicast+0x449/0x710 [ 5095.394181][ T10] netlink_sendmsg+0x723/0xbe0 [ 5095.394181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5095.394181][ T10] ___sys_sendmsg+0xee/0x170 [ 5095.394181][ T10] __sys_sendmsg+0xcd/0x170 [ 5095.394181][ T10] do_syscall_64+0xc6/0x1e0 [ 5095.394181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5095.394181][ T10] [ 5095.396888][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5095.396888][ T10] netdev_get_by_index+0x5e/0x80 [ 5095.396888][ T10] fib6_nh_init+0x3d8/0x1580 [ 5095.396888][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5095.396888][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5095.396888][ T10] ipv6_add_addr+0x411/0x2000 [ 5095.396888][ T10] inet6_addr_add+0x30e/0xa40 [ 5095.396888][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5095.396888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5095.396888][ T10] netlink_rcv_skb+0x130/0x360 [ 5095.396888][ T10] netlink_unicast+0x449/0x710 [ 5095.396888][ T10] netlink_sendmsg+0x723/0xbe0 [ 5095.396888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5095.396888][ T10] ___sys_sendmsg+0xee/0x170 [ 5095.396888][ T10] __sys_sendmsg+0xcd/0x170 [ 5095.396888][ T10] do_syscall_64+0xc6/0x1e0 [ 5095.396888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5095.396888][ T10] [ 5095.399059][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5095.399059][ T10] netdev_get_by_index+0x5e/0x80 [ 5095.399059][ T10] fib6_nh_init+0x3d8/0x1580 [ 5095.399059][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5095.399059][ T10] ip6_route_add+0x1c/0x140 [ 5095.399059][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5095.399059][ T10] addrconf_add_dev+0xe2/0x170 [ 5095.399059][ T10] inet6_addr_add+0x12f/0xa40 [ 5095.399059][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5095.399059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5095.399059][ T10] netlink_rcv_skb+0x130/0x360 [ 5095.399059][ T10] netlink_unicast+0x449/0x710 [ 5095.399059][ T10] netlink_sendmsg+0x723/0xbe0 [ 5095.399059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5095.399059][ T10] ___sys_sendmsg+0xee/0x170 [ 5095.399059][ T10] __sys_sendmsg+0xcd/0x170 [ 5095.399059][ T10] do_syscall_64+0xc6/0x1e0 [ 5095.399059][ T10] [ 5095.401190][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5095.401190][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5095.401190][ T10] ipv6_find_idev+0x102/0x170 [ 5095.401190][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5095.401190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5095.401190][ T10] netlink_rcv_skb+0x130/0x360 [ 5095.401190][ T10] netlink_unicast+0x449/0x710 [ 5095.401190][ T10] netlink_sendmsg+0x723/0xbe0 [ 5095.401190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5095.401190][ T10] ___sys_sendmsg+0xee/0x170 [ 5095.401190][ T10] __sys_sendmsg+0xcd/0x170 [ 5095.401190][ T10] do_syscall_64+0xc6/0x1e0 [ 5095.401190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5095.401190][ T10] [ 5095.402894][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5095.402894][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5095.402894][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5095.402894][ T10] ipv6_find_idev+0x102/0x170 [ 5095.402894][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5095.402894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5095.402894][ T10] netlink_rcv_skb+0x130/0x360 [ 5095.402894][ T10] netlink_unicast+0x449/0x710 [ 5095.402894][ T10] netlink_sendmsg+0x723/0xbe0 [ 5095.402894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5095.402894][ T10] ___sys_sendmsg+0xee/0x170 [ 5095.402894][ T10] __sys_sendmsg+0xcd/0x170 [ 5095.402894][ T10] do_syscall_64+0xc6/0x1e0 [ 5095.402894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5095.402894][ T10] [ 5095.404671][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5095.404925][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5095.404925][ T10] netdev_get_by_index+0x5e/0x80 [ 5095.404925][ T10] fib6_nh_init+0x3d8/0x1580 [ 5095.404925][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5095.404925][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5095.404925][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5095.404925][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5095.404925][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5095.404925][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5095.404925][ T10] addrconf_dad_begin+0x310/0x670 [ 5095.404925][ T10] addrconf_dad_work+0x10b/0xab0 [ 5095.404925][ T10] process_one_work+0x84d/0x18a0 [ 5095.404925][ T10] worker_thread+0x587/0xd30 [ 5095.404925][ T10] kthread+0x28a/0x350 [ 5095.404925][ T10] ret_from_fork+0x31/0x70 [ 5095.404925][ T10] ret_from_fork_asm+0x1a/0x30 [ 5095.404925][ T10] [ 5095.407006][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5095.407006][ T10] netdev_get_by_index+0x5e/0x80 [ 5095.407006][ T10] fib6_nh_init+0x3d8/0x1580 [ 5095.407006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5095.407006][ T10] ip6_route_add+0x1c/0x140 [ 5095.407006][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5095.407006][ T10] inet6_addr_add+0x4f8/0xa40 [ 5095.407006][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5095.407006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5095.407006][ T10] netlink_rcv_skb+0x130/0x360 [ 5095.407006][ T10] netlink_unicast+0x449/0x710 [ 5095.407006][ T10] netlink_sendmsg+0x723/0xbe0 [ 5095.407006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5095.407006][ T10] ___sys_sendmsg+0xee/0x170 [ 5095.407006][ T10] __sys_sendmsg+0xcd/0x170 [ 5095.407006][ T10] do_syscall_64+0xc6/0x1e0 [ 5095.407006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5095.407006][ T10] [ 5095.409169][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5095.409169][ T10] netdev_get_by_index+0x5e/0x80 [ 5095.409169][ T10] fib6_nh_init+0x3d8/0x1580 [ 5095.409169][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5095.409169][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5095.409169][ T10] ipv6_add_addr+0x411/0x2000 [ 5095.409169][ T10] inet6_addr_add+0x30e/0xa40 [ 5095.409169][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5095.409169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5095.409169][ T10] netlink_rcv_skb+0x130/0x360 [ 5095.409169][ T10] netlink_unicast+0x449/0x710 [ 5095.409169][ T10] netlink_sendmsg+0x723/0xbe0 [ 5095.409169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5095.409169][ T10] ___sys_sendmsg+0xee/0x170 [ 5095.409169][ T10] __sys_sendmsg+0xcd/0x170 [ 5095.409169][ T10] do_syscall_64+0xc6/0x1e0 [ 5095.409169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5095.409169][ T10] [ 5095.411321][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5095.411321][ T10] netdev_get_by_index+0x5e/0x80 [ 5095.411321][ T10] fib6_nh_init+0x3d8/0x1580 [ 5095.411321][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5095.411321][ T10] ip6_route_add+0x1c/0x140 [ 5095.411321][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5095.411321][ T10] addrconf_add_dev+0xe2/0x170 [ 5095.411321][ T10] inet6_addr_add+0x12f/0xa40 [ 5095.411321][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5095.411321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5095.411321][ T10] netlink_rcv_skb+0x130/0x360 [ 5095.411321][ T10] netlink_unicast+0x449/0x710 [ 5095.411321][ T10] netlink_sendmsg+0x723/0xbe0 [ 5095.411321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5095.411321][ T10] ___sys_sendmsg+0xee/0x170 [ 5095.411321][ T10] __sys_sendmsg+0xcd/0x170 [ 5095.411321][ T10] do_syscall_64+0xc6/0x1e0 [ 5095.411321][ T10] [ 5095.413453][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5095.413453][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5095.413453][ T10] ipv6_find_idev+0x102/0x170 [ 5095.413453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5095.413453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5095.413453][ T10] netlink_rcv_skb+0x130/0x360 [ 5095.413453][ T10] netlink_unicast+0x449/0x710 [ 5095.413453][ T10] netlink_sendmsg+0x723/0xbe0 [ 5095.413453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5095.413453][ T10] ___sys_sendmsg+0xee/0x170 [ 5095.413453][ T10] __sys_sendmsg+0xcd/0x170 [ 5095.413453][ T10] do_syscall_64+0xc6/0x1e0 [ 5095.413453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5095.413453][ T10] [ 5095.417213][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5095.417213][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5095.417213][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5095.417213][ T10] ipv6_find_idev+0x102/0x170 [ 5095.417213][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5095.417213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5095.417213][ T10] netlink_rcv_skb+0x130/0x360 [ 5095.417213][ T10] netlink_unicast+0x449/0x710 [ 5095.417213][ T10] netlink_sendmsg+0x723/0xbe0 [ 5095.417213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5095.417213][ T10] ___sys_sendmsg+0xee/0x170 [ 5095.417213][ T10] __sys_sendmsg+0xcd/0x170 [ 5095.417213][ T10] do_syscall_64+0xc6/0x1e0 [ 5095.417213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5095.417213][ T10] [ 5098.713115][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5098.713543][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5098.713543][ T1167] dst_init+0x84/0x4a0 [ 5098.713543][ T1167] dst_alloc+0x97/0x150 [ 5098.713543][ T1167] ip6_dst_alloc+0x23/0x90 [ 5098.713543][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5098.713543][ T1167] ip6_pol_route+0x56f/0x840 [ 5098.713543][ T1167] fib6_rule_lookup+0x334/0x630 [ 5098.713543][ T1167] ip6_route_output_flags+0x259/0x480 [ 5098.713543][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5098.713543][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5098.713543][ T1167] netlink_rcv_skb+0x130/0x360 [ 5098.713543][ T1167] netlink_unicast+0x449/0x710 [ 5098.713543][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5098.713543][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5098.713543][ T1167] ___sys_sendmsg+0xee/0x170 [ 5098.713543][ T1167] __sys_sendmsg+0xcd/0x170 [ 5098.713543][ T1167] do_syscall_64+0xc6/0x1e0 [ 5098.713543][ T1167] [ 5098.715806][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5098.715806][ T1167] netdev_get_by_index+0x5e/0x80 [ 5098.715806][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5098.715806][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5098.715806][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5098.715806][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5098.715806][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5098.715806][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5098.715806][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5098.715806][ T1167] addrconf_dad_begin+0x310/0x670 [ 5098.715806][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5098.715806][ T1167] process_one_work+0x84d/0x18a0 [ 5098.715806][ T1167] worker_thread+0x587/0xd30 [ 5098.715806][ T1167] kthread+0x28a/0x350 [ 5098.715806][ T1167] ret_from_fork+0x31/0x70 [ 5098.715806][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5098.715806][ T1167] [ 5098.717988][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5098.717988][ T1167] netdev_get_by_index+0x5e/0x80 [ 5098.717988][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5098.717988][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5098.717988][ T1167] ip6_route_add+0x1c/0x140 [ 5098.717988][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5098.717988][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5098.717988][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5098.717988][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5098.717988][ T1167] netlink_rcv_skb+0x130/0x360 [ 5098.717988][ T1167] netlink_unicast+0x449/0x710 [ 5098.717988][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5098.717988][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5098.717988][ T1167] ___sys_sendmsg+0xee/0x170 [ 5098.717988][ T1167] __sys_sendmsg+0xcd/0x170 [ 5098.717988][ T1167] do_syscall_64+0xc6/0x1e0 [ 5098.717988][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5098.717988][ T1167] [ 5098.720277][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5098.720277][ T1167] netdev_get_by_index+0x5e/0x80 [ 5098.720277][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5098.720277][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5098.720277][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5098.720277][ T1167] ipv6_add_addr+0x411/0x2000 [ 5098.720277][ T1167] inet6_addr_add+0x30e/0xa40 [ 5098.720277][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5098.720277][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5098.720277][ T1167] netlink_rcv_skb+0x130/0x360 [ 5098.720277][ T1167] netlink_unicast+0x449/0x710 [ 5098.720277][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5098.720277][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5098.720277][ T1167] ___sys_sendmsg+0xee/0x170 [ 5098.720277][ T1167] __sys_sendmsg+0xcd/0x170 [ 5098.720277][ T1167] do_syscall_64+0xc6/0x1e0 [ 5098.720277][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5098.720277][ T1167] [ 5098.722559][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5098.722559][ T1167] netdev_get_by_index+0x5e/0x80 [ 5098.722559][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5098.722559][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5098.722559][ T1167] ip6_route_add+0x1c/0x140 [ 5098.722559][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5098.722559][ T1167] addrconf_add_dev+0xe2/0x170 [ 5098.722559][ T1167] inet6_addr_add+0x12f/0xa40 [ 5098.722559][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5098.722559][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5098.722559][ T1167] netlink_rcv_skb+0x130/0x360 [ 5098.722559][ T1167] netlink_unicast+0x449/0x710 [ 5098.722559][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5098.722559][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5098.722559][ T1167] ___sys_sendmsg+0xee/0x170 [ 5098.722559][ T1167] __sys_sendmsg+0xcd/0x170 [ 5098.722559][ T1167] do_syscall_64+0xc6/0x1e0 [ 5098.722559][ T1167] [ 5098.724799][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5098.724799][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5098.724799][ T1167] ipv6_find_idev+0x102/0x170 [ 5098.724799][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5098.724799][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5098.724799][ T1167] netlink_rcv_skb+0x130/0x360 [ 5098.724799][ T1167] netlink_unicast+0x449/0x710 [ 5098.724799][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5098.724799][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5098.724799][ T1167] ___sys_sendmsg+0xee/0x170 [ 5098.724799][ T1167] __sys_sendmsg+0xcd/0x170 [ 5098.724799][ T1167] do_syscall_64+0xc6/0x1e0 [ 5098.724799][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5098.724799][ T1167] [ 5098.726557][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5098.726557][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5098.726557][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5098.726557][ T1167] ipv6_find_idev+0x102/0x170 [ 5098.726557][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5098.726557][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5098.726557][ T1167] netlink_rcv_skb+0x130/0x360 [ 5098.726557][ T1167] netlink_unicast+0x449/0x710 [ 5098.726557][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5098.726557][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5098.726557][ T1167] ___sys_sendmsg+0xee/0x170 [ 5098.726557][ T1167] __sys_sendmsg+0xcd/0x170 [ 5098.726557][ T1167] do_syscall_64+0xc6/0x1e0 [ 5098.726557][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5098.726557][ T1167] [ 5105.657117][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5105.657549][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5105.657549][ T10] netdev_get_by_index+0x5e/0x80 [ 5105.657549][ T10] fib6_nh_init+0x3d8/0x1580 [ 5105.657549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5105.657549][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5105.657549][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5105.657549][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5105.657549][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5105.657549][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5105.657549][ T10] addrconf_dad_begin+0x310/0x670 [ 5105.657549][ T10] addrconf_dad_work+0x10b/0xab0 [ 5105.657549][ T10] process_one_work+0x84d/0x18a0 [ 5105.657549][ T10] worker_thread+0x587/0xd30 [ 5105.657549][ T10] kthread+0x28a/0x350 [ 5105.657549][ T10] ret_from_fork+0x31/0x70 [ 5105.657549][ T10] ret_from_fork_asm+0x1a/0x30 [ 5105.657549][ T10] [ 5105.659496][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5105.659496][ T10] netdev_get_by_index+0x5e/0x80 [ 5105.659496][ T10] fib6_nh_init+0x3d8/0x1580 [ 5105.659496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5105.659496][ T10] ip6_route_add+0x1c/0x140 [ 5105.659496][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5105.659496][ T10] inet6_addr_add+0x4f8/0xa40 [ 5105.659496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5105.659496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5105.659496][ T10] netlink_rcv_skb+0x130/0x360 [ 5105.659496][ T10] netlink_unicast+0x449/0x710 [ 5105.659496][ T10] netlink_sendmsg+0x723/0xbe0 [ 5105.659496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5105.659496][ T10] ___sys_sendmsg+0xee/0x170 [ 5105.659496][ T10] __sys_sendmsg+0xcd/0x170 [ 5105.659496][ T10] do_syscall_64+0xc6/0x1e0 [ 5105.659496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5105.659496][ T10] [ 5105.661529][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5105.661529][ T10] netdev_get_by_index+0x5e/0x80 [ 5105.661529][ T10] fib6_nh_init+0x3d8/0x1580 [ 5105.661529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5105.661529][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5105.661529][ T10] ipv6_add_addr+0x411/0x2000 [ 5105.661529][ T10] inet6_addr_add+0x30e/0xa40 [ 5105.661529][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5105.661529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5105.661529][ T10] netlink_rcv_skb+0x130/0x360 [ 5105.661529][ T10] netlink_unicast+0x449/0x710 [ 5105.661529][ T10] netlink_sendmsg+0x723/0xbe0 [ 5105.661529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5105.661529][ T10] ___sys_sendmsg+0xee/0x170 [ 5105.661529][ T10] __sys_sendmsg+0xcd/0x170 [ 5105.661529][ T10] do_syscall_64+0xc6/0x1e0 [ 5105.661529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5105.661529][ T10] [ 5105.663534][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5105.663534][ T10] netdev_get_by_index+0x5e/0x80 [ 5105.663534][ T10] fib6_nh_init+0x3d8/0x1580 [ 5105.663534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5105.663534][ T10] ip6_route_add+0x1c/0x140 [ 5105.663534][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5105.663534][ T10] addrconf_add_dev+0xe2/0x170 [ 5105.663534][ T10] inet6_addr_add+0x12f/0xa40 [ 5105.663534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5105.663534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5105.663534][ T10] netlink_rcv_skb+0x130/0x360 [ 5105.663534][ T10] netlink_unicast+0x449/0x710 [ 5105.663534][ T10] netlink_sendmsg+0x723/0xbe0 [ 5105.663534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5105.663534][ T10] ___sys_sendmsg+0xee/0x170 [ 5105.663534][ T10] __sys_sendmsg+0xcd/0x170 [ 5105.663534][ T10] do_syscall_64+0xc6/0x1e0 [ 5105.663534][ T10] [ 5105.665530][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5105.665530][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5105.665530][ T10] ipv6_find_idev+0x102/0x170 [ 5105.665530][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5105.665530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5105.665530][ T10] netlink_rcv_skb+0x130/0x360 [ 5105.665530][ T10] netlink_unicast+0x449/0x710 [ 5105.665530][ T10] netlink_sendmsg+0x723/0xbe0 [ 5105.665530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5105.665530][ T10] ___sys_sendmsg+0xee/0x170 [ 5105.665530][ T10] __sys_sendmsg+0xcd/0x170 [ 5105.665530][ T10] do_syscall_64+0xc6/0x1e0 [ 5105.665530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5105.665530][ T10] [ 5105.667196][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5105.667196][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5105.667196][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5105.667196][ T10] ipv6_find_idev+0x102/0x170 [ 5105.667196][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5105.667196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5105.667196][ T10] netlink_rcv_skb+0x130/0x360 [ 5105.667196][ T10] netlink_unicast+0x449/0x710 [ 5105.667196][ T10] netlink_sendmsg+0x723/0xbe0 [ 5105.667196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5105.667196][ T10] ___sys_sendmsg+0xee/0x170 [ 5105.667196][ T10] __sys_sendmsg+0xcd/0x170 [ 5105.667196][ T10] do_syscall_64+0xc6/0x1e0 [ 5105.667196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5105.667196][ T10] [ 5105.668899][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5105.669185][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5105.669185][ T10] netdev_get_by_index+0x5e/0x80 [ 5105.669185][ T10] fib6_nh_init+0x3d8/0x1580 [ 5105.669185][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5105.669185][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5105.669185][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5105.669185][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5105.669185][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5105.669185][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5105.669185][ T10] addrconf_dad_begin+0x310/0x670 [ 5105.669185][ T10] addrconf_dad_work+0x10b/0xab0 [ 5105.669185][ T10] process_one_work+0x84d/0x18a0 [ 5105.669185][ T10] worker_thread+0x587/0xd30 [ 5105.669185][ T10] kthread+0x28a/0x350 [ 5105.669185][ T10] ret_from_fork+0x31/0x70 [ 5105.669185][ T10] ret_from_fork_asm+0x1a/0x30 [ 5105.669185][ T10] [ 5105.671108][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5105.671108][ T10] netdev_get_by_index+0x5e/0x80 [ 5105.671108][ T10] fib6_nh_init+0x3d8/0x1580 [ 5105.671108][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5105.671108][ T10] ip6_route_add+0x1c/0x140 [ 5105.671108][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5105.671108][ T10] inet6_addr_add+0x4f8/0xa40 [ 5105.671108][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5105.671108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5105.671108][ T10] netlink_rcv_skb+0x130/0x360 [ 5105.671108][ T10] netlink_unicast+0x449/0x710 [ 5105.671108][ T10] netlink_sendmsg+0x723/0xbe0 [ 5105.671108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5105.671108][ T10] ___sys_sendmsg+0xee/0x170 [ 5105.671108][ T10] __sys_sendmsg+0xcd/0x170 [ 5105.671108][ T10] do_syscall_64+0xc6/0x1e0 [ 5105.671108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5105.671108][ T10] [ 5105.673132][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5105.673132][ T10] netdev_get_by_index+0x5e/0x80 [ 5105.673132][ T10] fib6_nh_init+0x3d8/0x1580 [ 5105.673132][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5105.673132][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5105.673132][ T10] ipv6_add_addr+0x411/0x2000 [ 5105.673132][ T10] inet6_addr_add+0x30e/0xa40 [ 5105.673132][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5105.673132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5105.673132][ T10] netlink_rcv_skb+0x130/0x360 [ 5105.673132][ T10] netlink_unicast+0x449/0x710 [ 5105.673132][ T10] netlink_sendmsg+0x723/0xbe0 [ 5105.673132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5105.673132][ T10] ___sys_sendmsg+0xee/0x170 [ 5105.673132][ T10] __sys_sendmsg+0xcd/0x170 [ 5105.673132][ T10] do_syscall_64+0xc6/0x1e0 [ 5105.673132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5105.673132][ T10] [ 5105.675146][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5105.675146][ T10] netdev_get_by_index+0x5e/0x80 [ 5105.675146][ T10] fib6_nh_init+0x3d8/0x1580 [ 5105.675146][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5105.675146][ T10] ip6_route_add+0x1c/0x140 [ 5105.675146][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5105.675146][ T10] addrconf_add_dev+0xe2/0x170 [ 5105.675146][ T10] inet6_addr_add+0x12f/0xa40 [ 5105.675146][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5105.675146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5105.675146][ T10] netlink_rcv_skb+0x130/0x360 [ 5105.675146][ T10] netlink_unicast+0x449/0x710 [ 5105.675146][ T10] netlink_sendmsg+0x723/0xbe0 [ 5105.675146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5105.675146][ T10] ___sys_sendmsg+0xee/0x170 [ 5105.675146][ T10] __sys_sendmsg+0xcd/0x170 [ 5105.675146][ T10] do_syscall_64+0xc6/0x1e0 [ 5105.675146][ T10] [ 5105.677116][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5105.677116][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5105.677116][ T10] ipv6_find_idev+0x102/0x170 [ 5105.677116][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5105.677116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5105.677116][ T10] netlink_rcv_skb+0x130/0x360 [ 5105.677116][ T10] netlink_unicast+0x449/0x710 [ 5105.677116][ T10] netlink_sendmsg+0x723/0xbe0 [ 5105.677116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5105.677116][ T10] ___sys_sendmsg+0xee/0x170 [ 5105.677116][ T10] __sys_sendmsg+0xcd/0x170 [ 5105.677116][ T10] do_syscall_64+0xc6/0x1e0 [ 5105.677116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5105.677116][ T10] [ 5105.678666][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5105.678666][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5105.678666][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5105.678666][ T10] ipv6_find_idev+0x102/0x170 [ 5105.678666][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5105.678666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5105.678666][ T10] netlink_rcv_skb+0x130/0x360 [ 5105.678666][ T10] netlink_unicast+0x449/0x710 [ 5105.678666][ T10] netlink_sendmsg+0x723/0xbe0 [ 5105.678666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5105.678666][ T10] ___sys_sendmsg+0xee/0x170 [ 5105.678666][ T10] __sys_sendmsg+0xcd/0x170 [ 5105.678666][ T10] do_syscall_64+0xc6/0x1e0 [ 5105.678666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5105.678666][ T10] [ 5105.680354][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5105.680592][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5105.680592][ T10] netdev_get_by_index+0x5e/0x80 [ 5105.680592][ T10] fib6_nh_init+0x3d8/0x1580 [ 5105.680592][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5105.680592][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5105.680592][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5105.680592][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5105.680592][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5105.680592][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5105.680592][ T10] addrconf_dad_begin+0x310/0x670 [ 5105.680592][ T10] addrconf_dad_work+0x10b/0xab0 [ 5105.680592][ T10] process_one_work+0x84d/0x18a0 [ 5105.680592][ T10] worker_thread+0x587/0xd30 [ 5105.680592][ T10] kthread+0x28a/0x350 [ 5105.680592][ T10] ret_from_fork+0x31/0x70 [ 5105.680592][ T10] ret_from_fork_asm+0x1a/0x30 [ 5105.680592][ T10] [ 5105.682498][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5105.682498][ T10] netdev_get_by_index+0x5e/0x80 [ 5105.682498][ T10] fib6_nh_init+0x3d8/0x1580 [ 5105.682498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5105.682498][ T10] ip6_route_add+0x1c/0x140 [ 5105.682498][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5105.682498][ T10] inet6_addr_add+0x4f8/0xa40 [ 5105.682498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5105.682498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5105.682498][ T10] netlink_rcv_skb+0x130/0x360 [ 5105.682498][ T10] netlink_unicast+0x449/0x710 [ 5105.682498][ T10] netlink_sendmsg+0x723/0xbe0 [ 5105.682498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5105.682498][ T10] ___sys_sendmsg+0xee/0x170 [ 5105.682498][ T10] __sys_sendmsg+0xcd/0x170 [ 5105.682498][ T10] do_syscall_64+0xc6/0x1e0 [ 5105.682498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5105.682498][ T10] [ 5105.684682][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5105.684682][ T10] netdev_get_by_index+0x5e/0x80 [ 5105.684682][ T10] fib6_nh_init+0x3d8/0x1580 [ 5105.684682][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5105.684682][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5105.684682][ T10] ipv6_add_addr+0x411/0x2000 [ 5105.684682][ T10] inet6_addr_add+0x30e/0xa40 [ 5105.684682][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5105.684682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5105.684682][ T10] netlink_rcv_skb+0x130/0x360 [ 5105.684682][ T10] netlink_unicast+0x449/0x710 [ 5105.684682][ T10] netlink_sendmsg+0x723/0xbe0 [ 5105.684682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5105.684682][ T10] ___sys_sendmsg+0xee/0x170 [ 5105.684682][ T10] __sys_sendmsg+0xcd/0x170 [ 5105.684682][ T10] do_syscall_64+0xc6/0x1e0 [ 5105.684682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5105.684682][ T10] [ 5105.686925][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5105.686925][ T10] netdev_get_by_index+0x5e/0x80 [ 5105.686925][ T10] fib6_nh_init+0x3d8/0x1580 [ 5105.686925][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5105.686925][ T10] ip6_route_add+0x1c/0x140 [ 5105.686925][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5105.686925][ T10] addrconf_add_dev+0xe2/0x170 [ 5105.686925][ T10] inet6_addr_add+0x12f/0xa40 [ 5105.686925][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5105.686925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5105.686925][ T10] netlink_rcv_skb+0x130/0x360 [ 5105.686925][ T10] netlink_unicast+0x449/0x710 [ 5105.686925][ T10] netlink_sendmsg+0x723/0xbe0 [ 5105.686925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5105.686925][ T10] ___sys_sendmsg+0xee/0x170 [ 5105.686925][ T10] __sys_sendmsg+0xcd/0x170 [ 5105.686925][ T10] do_syscall_64+0xc6/0x1e0 [ 5105.686925][ T10] [ 5105.689126][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5105.689126][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5105.689126][ T10] ipv6_find_idev+0x102/0x170 [ 5105.689126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5105.689126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5105.689126][ T10] netlink_rcv_skb+0x130/0x360 [ 5105.689126][ T10] netlink_unicast+0x449/0x710 [ 5105.689126][ T10] netlink_sendmsg+0x723/0xbe0 [ 5105.689126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5105.689126][ T10] ___sys_sendmsg+0xee/0x170 [ 5105.689126][ T10] __sys_sendmsg+0xcd/0x170 [ 5105.689126][ T10] do_syscall_64+0xc6/0x1e0 [ 5105.689126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5105.689126][ T10] [ 5105.690845][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5105.690845][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5105.690845][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5105.690845][ T10] ipv6_find_idev+0x102/0x170 [ 5105.690845][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5105.690845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5105.690845][ T10] netlink_rcv_skb+0x130/0x360 [ 5105.690845][ T10] netlink_unicast+0x449/0x710 [ 5105.690845][ T10] netlink_sendmsg+0x723/0xbe0 [ 5105.690845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5105.690845][ T10] ___sys_sendmsg+0xee/0x170 [ 5105.690845][ T10] __sys_sendmsg+0xcd/0x170 [ 5105.690845][ T10] do_syscall_64+0xc6/0x1e0 [ 5105.690845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5105.690845][ T10] [ 5105.692760][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5105.693002][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5105.693002][ T10] netdev_get_by_index+0x5e/0x80 [ 5105.693002][ T10] fib6_nh_init+0x3d8/0x1580 [ 5105.693002][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5105.693002][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5105.693002][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5105.693002][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5105.693002][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5105.693002][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5105.693002][ T10] addrconf_dad_begin+0x310/0x670 [ 5105.693002][ T10] addrconf_dad_work+0x10b/0xab0 [ 5105.693002][ T10] process_one_work+0x84d/0x18a0 [ 5105.693002][ T10] worker_thread+0x587/0xd30 [ 5105.693002][ T10] kthread+0x28a/0x350 [ 5105.693002][ T10] ret_from_fork+0x31/0x70 [ 5105.693002][ T10] ret_from_fork_asm+0x1a/0x30 [ 5105.693002][ T10] [ 5105.695173][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5105.695173][ T10] netdev_get_by_index+0x5e/0x80 [ 5105.695173][ T10] fib6_nh_init+0x3d8/0x1580 [ 5105.695173][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5105.695173][ T10] ip6_route_add+0x1c/0x140 [ 5105.695173][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5105.695173][ T10] inet6_addr_add+0x4f8/0xa40 [ 5105.695173][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5105.695173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5105.695173][ T10] netlink_rcv_skb+0x130/0x360 [ 5105.695173][ T10] netlink_unicast+0x449/0x710 [ 5105.695173][ T10] netlink_sendmsg+0x723/0xbe0 [ 5105.695173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5105.695173][ T10] ___sys_sendmsg+0xee/0x170 [ 5105.695173][ T10] __sys_sendmsg+0xcd/0x170 [ 5105.695173][ T10] do_syscall_64+0xc6/0x1e0 [ 5105.695173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5105.695173][ T10] [ 5105.697420][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5105.697420][ T10] netdev_get_by_index+0x5e/0x80 [ 5105.697420][ T10] fib6_nh_init+0x3d8/0x1580 [ 5105.697420][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5105.697420][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5105.697420][ T10] ipv6_add_addr+0x411/0x2000 [ 5105.697420][ T10] inet6_addr_add+0x30e/0xa40 [ 5105.697420][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5105.697420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5105.697420][ T10] netlink_rcv_skb+0x130/0x360 [ 5105.697420][ T10] netlink_unicast+0x449/0x710 [ 5105.697420][ T10] netlink_sendmsg+0x723/0xbe0 [ 5105.697420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5105.697420][ T10] ___sys_sendmsg+0xee/0x170 [ 5105.697420][ T10] __sys_sendmsg+0xcd/0x170 [ 5105.697420][ T10] do_syscall_64+0xc6/0x1e0 [ 5105.697420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5105.697420][ T10] [ 5105.699679][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5105.699679][ T10] netdev_get_by_index+0x5e/0x80 [ 5105.699679][ T10] fib6_nh_init+0x3d8/0x1580 [ 5105.699679][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5105.699679][ T10] ip6_route_add+0x1c/0x140 [ 5105.699679][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5105.699679][ T10] addrconf_add_dev+0xe2/0x170 [ 5105.699679][ T10] inet6_addr_add+0x12f/0xa40 [ 5105.699679][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5105.699679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5105.699679][ T10] netlink_rcv_skb+0x130/0x360 [ 5105.699679][ T10] netlink_unicast+0x449/0x710 [ 5105.699679][ T10] netlink_sendmsg+0x723/0xbe0 [ 5105.699679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5105.699679][ T10] ___sys_sendmsg+0xee/0x170 [ 5105.699679][ T10] __sys_sendmsg+0xcd/0x170 [ 5105.699679][ T10] do_syscall_64+0xc6/0x1e0 [ 5105.699679][ T10] [ 5105.701888][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5105.701888][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5105.701888][ T10] ipv6_find_idev+0x102/0x170 [ 5105.701888][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5105.701888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5105.701888][ T10] netlink_rcv_skb+0x130/0x360 [ 5105.701888][ T10] netlink_unicast+0x449/0x710 [ 5105.701888][ T10] netlink_sendmsg+0x723/0xbe0 [ 5105.701888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5105.701888][ T10] ___sys_sendmsg+0xee/0x170 [ 5105.701888][ T10] __sys_sendmsg+0xcd/0x170 [ 5105.701888][ T10] do_syscall_64+0xc6/0x1e0 [ 5105.701888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5105.701888][ T10] [ 5105.703624][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5105.703624][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5105.703624][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5105.703624][ T10] ipv6_find_idev+0x102/0x170 [ 5105.703624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5105.703624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5105.703624][ T10] netlink_rcv_skb+0x130/0x360 [ 5105.703624][ T10] netlink_unicast+0x449/0x710 [ 5105.703624][ T10] netlink_sendmsg+0x723/0xbe0 [ 5105.703624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5105.703624][ T10] ___sys_sendmsg+0xee/0x170 [ 5105.703624][ T10] __sys_sendmsg+0xcd/0x170 [ 5105.703624][ T10] do_syscall_64+0xc6/0x1e0 [ 5105.703624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5105.703624][ T10] [ 5108.977122][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5108.977606][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5108.977606][ T1167] dst_init+0x84/0x4a0 [ 5108.977606][ T1167] dst_alloc+0x97/0x150 [ 5108.977606][ T1167] ip6_dst_alloc+0x23/0x90 [ 5108.977606][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5108.977606][ T1167] ip6_pol_route+0x56f/0x840 [ 5108.977606][ T1167] fib6_rule_lookup+0x334/0x630 [ 5108.977606][ T1167] ip6_route_output_flags+0x259/0x480 [ 5108.977606][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5108.977606][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5108.977606][ T1167] netlink_rcv_skb+0x130/0x360 [ 5108.977606][ T1167] netlink_unicast+0x449/0x710 [ 5108.977606][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5108.977606][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5108.977606][ T1167] ___sys_sendmsg+0xee/0x170 [ 5108.977606][ T1167] __sys_sendmsg+0xcd/0x170 [ 5108.977606][ T1167] do_syscall_64+0xc6/0x1e0 [ 5108.977606][ T1167] [ 5108.981942][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5108.981942][ T1167] netdev_get_by_index+0x5e/0x80 [ 5108.981942][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5108.981942][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5108.981942][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5108.981942][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5108.981942][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5108.981942][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5108.981942][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5108.981942][ T1167] addrconf_dad_begin+0x310/0x670 [ 5108.981942][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5108.981942][ T1167] process_one_work+0x84d/0x18a0 [ 5108.981942][ T1167] worker_thread+0x587/0xd30 [ 5108.981942][ T1167] kthread+0x28a/0x350 [ 5108.981942][ T1167] ret_from_fork+0x31/0x70 [ 5108.981942][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5108.981942][ T1167] [ 5108.984125][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5108.984125][ T1167] netdev_get_by_index+0x5e/0x80 [ 5108.984125][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5108.984125][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5108.984125][ T1167] ip6_route_add+0x1c/0x140 [ 5108.984125][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5108.984125][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5108.984125][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5108.984125][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5108.984125][ T1167] netlink_rcv_skb+0x130/0x360 [ 5108.984125][ T1167] netlink_unicast+0x449/0x710 [ 5108.984125][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5108.984125][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5108.984125][ T1167] ___sys_sendmsg+0xee/0x170 [ 5108.984125][ T1167] __sys_sendmsg+0xcd/0x170 [ 5108.984125][ T1167] do_syscall_64+0xc6/0x1e0 [ 5108.984125][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5108.984125][ T1167] [ 5108.986395][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5108.986395][ T1167] netdev_get_by_index+0x5e/0x80 [ 5108.986395][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5108.986395][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5108.986395][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5108.986395][ T1167] ipv6_add_addr+0x411/0x2000 [ 5108.986395][ T1167] inet6_addr_add+0x30e/0xa40 [ 5108.986395][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5108.986395][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5108.986395][ T1167] netlink_rcv_skb+0x130/0x360 [ 5108.986395][ T1167] netlink_unicast+0x449/0x710 [ 5108.986395][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5108.986395][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5108.986395][ T1167] ___sys_sendmsg+0xee/0x170 [ 5108.986395][ T1167] __sys_sendmsg+0xcd/0x170 [ 5108.986395][ T1167] do_syscall_64+0xc6/0x1e0 [ 5108.986395][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5108.986395][ T1167] [ 5108.988669][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5108.988669][ T1167] netdev_get_by_index+0x5e/0x80 [ 5108.988669][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5108.988669][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5108.988669][ T1167] ip6_route_add+0x1c/0x140 [ 5108.988669][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5108.988669][ T1167] addrconf_add_dev+0xe2/0x170 [ 5108.988669][ T1167] inet6_addr_add+0x12f/0xa40 [ 5108.988669][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5108.988669][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5108.988669][ T1167] netlink_rcv_skb+0x130/0x360 [ 5108.988669][ T1167] netlink_unicast+0x449/0x710 [ 5108.988669][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5108.988669][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5108.988669][ T1167] ___sys_sendmsg+0xee/0x170 [ 5108.988669][ T1167] __sys_sendmsg+0xcd/0x170 [ 5108.988669][ T1167] do_syscall_64+0xc6/0x1e0 [ 5108.988669][ T1167] [ 5108.990896][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5108.990896][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5108.990896][ T1167] ipv6_find_idev+0x102/0x170 [ 5108.990896][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5108.990896][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5108.990896][ T1167] netlink_rcv_skb+0x130/0x360 [ 5108.990896][ T1167] netlink_unicast+0x449/0x710 [ 5108.990896][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5108.990896][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5108.990896][ T1167] ___sys_sendmsg+0xee/0x170 [ 5108.990896][ T1167] __sys_sendmsg+0xcd/0x170 [ 5108.990896][ T1167] do_syscall_64+0xc6/0x1e0 [ 5108.990896][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5108.990896][ T1167] [ 5108.992652][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5108.992652][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5108.992652][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5108.992652][ T1167] ipv6_find_idev+0x102/0x170 [ 5108.992652][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5108.992652][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5108.992652][ T1167] netlink_rcv_skb+0x130/0x360 [ 5108.992652][ T1167] netlink_unicast+0x449/0x710 [ 5108.992652][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5108.992652][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5108.992652][ T1167] ___sys_sendmsg+0xee/0x170 [ 5108.992652][ T1167] __sys_sendmsg+0xcd/0x170 [ 5108.992652][ T1167] do_syscall_64+0xc6/0x1e0 [ 5108.992652][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5108.992652][ T1167] [ 5115.945042][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5115.945458][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5115.945458][ T10] netdev_get_by_index+0x5e/0x80 [ 5115.945458][ T10] fib6_nh_init+0x3d8/0x1580 [ 5115.945458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5115.945458][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5115.945458][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5115.945458][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5115.945458][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5115.945458][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5115.945458][ T10] addrconf_dad_begin+0x310/0x670 [ 5115.945458][ T10] addrconf_dad_work+0x10b/0xab0 [ 5115.945458][ T10] process_one_work+0x84d/0x18a0 [ 5115.945458][ T10] worker_thread+0x587/0xd30 [ 5115.945458][ T10] kthread+0x28a/0x350 [ 5115.945458][ T10] ret_from_fork+0x31/0x70 [ 5115.945458][ T10] ret_from_fork_asm+0x1a/0x30 [ 5115.945458][ T10] [ 5115.947422][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5115.947422][ T10] netdev_get_by_index+0x5e/0x80 [ 5115.947422][ T10] fib6_nh_init+0x3d8/0x1580 [ 5115.947422][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5115.947422][ T10] ip6_route_add+0x1c/0x140 [ 5115.947422][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5115.947422][ T10] inet6_addr_add+0x4f8/0xa40 [ 5115.947422][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5115.947422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5115.947422][ T10] netlink_rcv_skb+0x130/0x360 [ 5115.947422][ T10] netlink_unicast+0x449/0x710 [ 5115.947422][ T10] netlink_sendmsg+0x723/0xbe0 [ 5115.947422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5115.947422][ T10] ___sys_sendmsg+0xee/0x170 [ 5115.947422][ T10] __sys_sendmsg+0xcd/0x170 [ 5115.947422][ T10] do_syscall_64+0xc6/0x1e0 [ 5115.947422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5115.947422][ T10] [ 5115.949426][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5115.949426][ T10] netdev_get_by_index+0x5e/0x80 [ 5115.949426][ T10] fib6_nh_init+0x3d8/0x1580 [ 5115.949426][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5115.949426][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5115.949426][ T10] ipv6_add_addr+0x411/0x2000 [ 5115.949426][ T10] inet6_addr_add+0x30e/0xa40 [ 5115.949426][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5115.949426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5115.949426][ T10] netlink_rcv_skb+0x130/0x360 [ 5115.949426][ T10] netlink_unicast+0x449/0x710 [ 5115.949426][ T10] netlink_sendmsg+0x723/0xbe0 [ 5115.949426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5115.949426][ T10] ___sys_sendmsg+0xee/0x170 [ 5115.949426][ T10] __sys_sendmsg+0xcd/0x170 [ 5115.949426][ T10] do_syscall_64+0xc6/0x1e0 [ 5115.949426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5115.949426][ T10] [ 5115.951440][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5115.951440][ T10] netdev_get_by_index+0x5e/0x80 [ 5115.951440][ T10] fib6_nh_init+0x3d8/0x1580 [ 5115.951440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5115.951440][ T10] ip6_route_add+0x1c/0x140 [ 5115.951440][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5115.951440][ T10] addrconf_add_dev+0xe2/0x170 [ 5115.951440][ T10] inet6_addr_add+0x12f/0xa40 [ 5115.951440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5115.951440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5115.951440][ T10] netlink_rcv_skb+0x130/0x360 [ 5115.951440][ T10] netlink_unicast+0x449/0x710 [ 5115.951440][ T10] netlink_sendmsg+0x723/0xbe0 [ 5115.951440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5115.951440][ T10] ___sys_sendmsg+0xee/0x170 [ 5115.951440][ T10] __sys_sendmsg+0xcd/0x170 [ 5115.951440][ T10] do_syscall_64+0xc6/0x1e0 [ 5115.951440][ T10] [ 5115.953411][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5115.953411][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5115.953411][ T10] ipv6_find_idev+0x102/0x170 [ 5115.953411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5115.953411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5115.953411][ T10] netlink_rcv_skb+0x130/0x360 [ 5115.953411][ T10] netlink_unicast+0x449/0x710 [ 5115.953411][ T10] netlink_sendmsg+0x723/0xbe0 [ 5115.953411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5115.953411][ T10] ___sys_sendmsg+0xee/0x170 [ 5115.953411][ T10] __sys_sendmsg+0xcd/0x170 [ 5115.953411][ T10] do_syscall_64+0xc6/0x1e0 [ 5115.953411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5115.953411][ T10] [ 5115.954967][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5115.954967][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5115.954967][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5115.954967][ T10] ipv6_find_idev+0x102/0x170 [ 5115.954967][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5115.954967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5115.954967][ T10] netlink_rcv_skb+0x130/0x360 [ 5115.954967][ T10] netlink_unicast+0x449/0x710 [ 5115.954967][ T10] netlink_sendmsg+0x723/0xbe0 [ 5115.954967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5115.954967][ T10] ___sys_sendmsg+0xee/0x170 [ 5115.954967][ T10] __sys_sendmsg+0xcd/0x170 [ 5115.954967][ T10] do_syscall_64+0xc6/0x1e0 [ 5115.954967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5115.954967][ T10] [ 5115.956667][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5115.956914][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5115.956914][ T10] netdev_get_by_index+0x5e/0x80 [ 5115.956914][ T10] fib6_nh_init+0x3d8/0x1580 [ 5115.956914][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5115.956914][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5115.956914][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5115.956914][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5115.956914][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5115.956914][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5115.956914][ T10] addrconf_dad_begin+0x310/0x670 [ 5115.956914][ T10] addrconf_dad_work+0x10b/0xab0 [ 5115.956914][ T10] process_one_work+0x84d/0x18a0 [ 5115.956914][ T10] worker_thread+0x587/0xd30 [ 5115.956914][ T10] kthread+0x28a/0x350 [ 5115.956914][ T10] ret_from_fork+0x31/0x70 [ 5115.956914][ T10] ret_from_fork_asm+0x1a/0x30 [ 5115.956914][ T10] [ 5115.958850][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5115.958850][ T10] netdev_get_by_index+0x5e/0x80 [ 5115.958850][ T10] fib6_nh_init+0x3d8/0x1580 [ 5115.958850][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5115.958850][ T10] ip6_route_add+0x1c/0x140 [ 5115.958850][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5115.958850][ T10] inet6_addr_add+0x4f8/0xa40 [ 5115.958850][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5115.958850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5115.958850][ T10] netlink_rcv_skb+0x130/0x360 [ 5115.958850][ T10] netlink_unicast+0x449/0x710 [ 5115.958850][ T10] netlink_sendmsg+0x723/0xbe0 [ 5115.958850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5115.958850][ T10] ___sys_sendmsg+0xee/0x170 [ 5115.958850][ T10] __sys_sendmsg+0xcd/0x170 [ 5115.958850][ T10] do_syscall_64+0xc6/0x1e0 [ 5115.958850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5115.958850][ T10] [ 5115.960872][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5115.960872][ T10] netdev_get_by_index+0x5e/0x80 [ 5115.960872][ T10] fib6_nh_init+0x3d8/0x1580 [ 5115.960872][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5115.960872][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5115.960872][ T10] ipv6_add_addr+0x411/0x2000 [ 5115.960872][ T10] inet6_addr_add+0x30e/0xa40 [ 5115.960872][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5115.960872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5115.960872][ T10] netlink_rcv_skb+0x130/0x360 [ 5115.960872][ T10] netlink_unicast+0x449/0x710 [ 5115.960872][ T10] netlink_sendmsg+0x723/0xbe0 [ 5115.960872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5115.960872][ T10] ___sys_sendmsg+0xee/0x170 [ 5115.960872][ T10] __sys_sendmsg+0xcd/0x170 [ 5115.960872][ T10] do_syscall_64+0xc6/0x1e0 [ 5115.960872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5115.960872][ T10] [ 5115.962887][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5115.962887][ T10] netdev_get_by_index+0x5e/0x80 [ 5115.962887][ T10] fib6_nh_init+0x3d8/0x1580 [ 5115.962887][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5115.962887][ T10] ip6_route_add+0x1c/0x140 [ 5115.962887][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5115.962887][ T10] addrconf_add_dev+0xe2/0x170 [ 5115.962887][ T10] inet6_addr_add+0x12f/0xa40 [ 5115.962887][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5115.962887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5115.962887][ T10] netlink_rcv_skb+0x130/0x360 [ 5115.962887][ T10] netlink_unicast+0x449/0x710 [ 5115.962887][ T10] netlink_sendmsg+0x723/0xbe0 [ 5115.962887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5115.962887][ T10] ___sys_sendmsg+0xee/0x170 [ 5115.962887][ T10] __sys_sendmsg+0xcd/0x170 [ 5115.962887][ T10] do_syscall_64+0xc6/0x1e0 [ 5115.962887][ T10] [ 5115.964882][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5115.964882][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5115.964882][ T10] ipv6_find_idev+0x102/0x170 [ 5115.964882][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5115.964882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5115.964882][ T10] netlink_rcv_skb+0x130/0x360 [ 5115.964882][ T10] netlink_unicast+0x449/0x710 [ 5115.964882][ T10] netlink_sendmsg+0x723/0xbe0 [ 5115.964882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5115.964882][ T10] ___sys_sendmsg+0xee/0x170 [ 5115.964882][ T10] __sys_sendmsg+0xcd/0x170 [ 5115.964882][ T10] do_syscall_64+0xc6/0x1e0 [ 5115.964882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5115.964882][ T10] [ 5115.966432][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5115.966432][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5115.966432][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5115.966432][ T10] ipv6_find_idev+0x102/0x170 [ 5115.966432][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5115.966432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5115.966432][ T10] netlink_rcv_skb+0x130/0x360 [ 5115.966432][ T10] netlink_unicast+0x449/0x710 [ 5115.966432][ T10] netlink_sendmsg+0x723/0xbe0 [ 5115.966432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5115.966432][ T10] ___sys_sendmsg+0xee/0x170 [ 5115.966432][ T10] __sys_sendmsg+0xcd/0x170 [ 5115.966432][ T10] do_syscall_64+0xc6/0x1e0 [ 5115.966432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5115.966432][ T10] [ 5115.968122][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5115.968358][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5115.968358][ T10] netdev_get_by_index+0x5e/0x80 [ 5115.968358][ T10] fib6_nh_init+0x3d8/0x1580 [ 5115.968358][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5115.968358][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5115.968358][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5115.968358][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5115.968358][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5115.968358][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5115.968358][ T10] addrconf_dad_begin+0x310/0x670 [ 5115.968358][ T10] addrconf_dad_work+0x10b/0xab0 [ 5115.968358][ T10] process_one_work+0x84d/0x18a0 [ 5115.968358][ T10] worker_thread+0x587/0xd30 [ 5115.968358][ T10] kthread+0x28a/0x350 [ 5115.968358][ T10] ret_from_fork+0x31/0x70 [ 5115.968358][ T10] ret_from_fork_asm+0x1a/0x30 [ 5115.968358][ T10] [ 5115.970288][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5115.970288][ T10] netdev_get_by_index+0x5e/0x80 [ 5115.970288][ T10] fib6_nh_init+0x3d8/0x1580 [ 5115.970288][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5115.970288][ T10] ip6_route_add+0x1c/0x140 [ 5115.970288][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5115.970288][ T10] inet6_addr_add+0x4f8/0xa40 [ 5115.970288][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5115.970288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5115.970288][ T10] netlink_rcv_skb+0x130/0x360 [ 5115.970288][ T10] netlink_unicast+0x449/0x710 [ 5115.970288][ T10] netlink_sendmsg+0x723/0xbe0 [ 5115.970288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5115.970288][ T10] ___sys_sendmsg+0xee/0x170 [ 5115.970288][ T10] __sys_sendmsg+0xcd/0x170 [ 5115.970288][ T10] do_syscall_64+0xc6/0x1e0 [ 5115.970288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5115.970288][ T10] [ 5115.972378][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5115.972378][ T10] netdev_get_by_index+0x5e/0x80 [ 5115.972378][ T10] fib6_nh_init+0x3d8/0x1580 [ 5115.972378][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5115.972378][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5115.972378][ T10] ipv6_add_addr+0x411/0x2000 [ 5115.972378][ T10] inet6_addr_add+0x30e/0xa40 [ 5115.972378][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5115.972378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5115.972378][ T10] netlink_rcv_skb+0x130/0x360 [ 5115.972378][ T10] netlink_unicast+0x449/0x710 [ 5115.972378][ T10] netlink_sendmsg+0x723/0xbe0 [ 5115.972378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5115.972378][ T10] ___sys_sendmsg+0xee/0x170 [ 5115.972378][ T10] __sys_sendmsg+0xcd/0x170 [ 5115.972378][ T10] do_syscall_64+0xc6/0x1e0 [ 5115.972378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5115.972378][ T10] [ 5115.974537][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5115.974537][ T10] netdev_get_by_index+0x5e/0x80 [ 5115.974537][ T10] fib6_nh_init+0x3d8/0x1580 [ 5115.974537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5115.974537][ T10] ip6_route_add+0x1c/0x140 [ 5115.974537][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5115.974537][ T10] addrconf_add_dev+0xe2/0x170 [ 5115.974537][ T10] inet6_addr_add+0x12f/0xa40 [ 5115.974537][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5115.974537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5115.974537][ T10] netlink_rcv_skb+0x130/0x360 [ 5115.974537][ T10] netlink_unicast+0x449/0x710 [ 5115.974537][ T10] netlink_sendmsg+0x723/0xbe0 [ 5115.974537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5115.974537][ T10] ___sys_sendmsg+0xee/0x170 [ 5115.974537][ T10] __sys_sendmsg+0xcd/0x170 [ 5115.974537][ T10] do_syscall_64+0xc6/0x1e0 [ 5115.974537][ T10] [ 5115.976588][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5115.976588][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5115.976588][ T10] ipv6_find_idev+0x102/0x170 [ 5115.976588][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5115.976588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5115.976588][ T10] netlink_rcv_skb+0x130/0x360 [ 5115.976588][ T10] netlink_unicast+0x449/0x710 [ 5115.976588][ T10] netlink_sendmsg+0x723/0xbe0 [ 5115.976588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5115.976588][ T10] ___sys_sendmsg+0xee/0x170 [ 5115.976588][ T10] __sys_sendmsg+0xcd/0x170 [ 5115.976588][ T10] do_syscall_64+0xc6/0x1e0 [ 5115.976588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5115.976588][ T10] [ 5115.978203][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5115.978203][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5115.978203][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5115.978203][ T10] ipv6_find_idev+0x102/0x170 [ 5115.978203][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5115.978203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5115.978203][ T10] netlink_rcv_skb+0x130/0x360 [ 5115.978203][ T10] netlink_unicast+0x449/0x710 [ 5115.978203][ T10] netlink_sendmsg+0x723/0xbe0 [ 5115.978203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5115.978203][ T10] ___sys_sendmsg+0xee/0x170 [ 5115.978203][ T10] __sys_sendmsg+0xcd/0x170 [ 5115.978203][ T10] do_syscall_64+0xc6/0x1e0 [ 5115.978203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5115.978203][ T10] [ 5115.980051][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5115.980293][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5115.980293][ T10] netdev_get_by_index+0x5e/0x80 [ 5115.980293][ T10] fib6_nh_init+0x3d8/0x1580 [ 5115.980293][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5115.980293][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5115.980293][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5115.980293][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5115.980293][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5115.980293][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5115.980293][ T10] addrconf_dad_begin+0x310/0x670 [ 5115.980293][ T10] addrconf_dad_work+0x10b/0xab0 [ 5115.980293][ T10] process_one_work+0x84d/0x18a0 [ 5115.980293][ T10] worker_thread+0x587/0xd30 [ 5115.980293][ T10] kthread+0x28a/0x350 [ 5115.980293][ T10] ret_from_fork+0x31/0x70 [ 5115.980293][ T10] ret_from_fork_asm+0x1a/0x30 [ 5115.980293][ T10] [ 5115.982288][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5115.982288][ T10] netdev_get_by_index+0x5e/0x80 [ 5115.982288][ T10] fib6_nh_init+0x3d8/0x1580 [ 5115.982288][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5115.982288][ T10] ip6_route_add+0x1c/0x140 [ 5115.982288][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5115.982288][ T10] inet6_addr_add+0x4f8/0xa40 [ 5115.982288][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5115.982288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5115.982288][ T10] netlink_rcv_skb+0x130/0x360 [ 5115.982288][ T10] netlink_unicast+0x449/0x710 [ 5115.982288][ T10] netlink_sendmsg+0x723/0xbe0 [ 5115.982288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5115.982288][ T10] ___sys_sendmsg+0xee/0x170 [ 5115.982288][ T10] __sys_sendmsg+0xcd/0x170 [ 5115.982288][ T10] do_syscall_64+0xc6/0x1e0 [ 5115.982288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5115.982288][ T10] [ 5115.984385][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5115.984385][ T10] netdev_get_by_index+0x5e/0x80 [ 5115.984385][ T10] fib6_nh_init+0x3d8/0x1580 [ 5115.984385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5115.984385][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5115.984385][ T10] ipv6_add_addr+0x411/0x2000 [ 5115.984385][ T10] inet6_addr_add+0x30e/0xa40 [ 5115.984385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5115.984385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5115.984385][ T10] netlink_rcv_skb+0x130/0x360 [ 5115.984385][ T10] netlink_unicast+0x449/0x710 [ 5115.984385][ T10] netlink_sendmsg+0x723/0xbe0 [ 5115.984385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5115.984385][ T10] ___sys_sendmsg+0xee/0x170 [ 5115.984385][ T10] __sys_sendmsg+0xcd/0x170 [ 5115.984385][ T10] do_syscall_64+0xc6/0x1e0 [ 5115.984385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5115.984385][ T10] [ 5115.986562][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5115.986562][ T10] netdev_get_by_index+0x5e/0x80 [ 5115.986562][ T10] fib6_nh_init+0x3d8/0x1580 [ 5115.986562][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5115.986562][ T10] ip6_route_add+0x1c/0x140 [ 5115.986562][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5115.986562][ T10] addrconf_add_dev+0xe2/0x170 [ 5115.986562][ T10] inet6_addr_add+0x12f/0xa40 [ 5115.986562][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5115.986562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5115.986562][ T10] netlink_rcv_skb+0x130/0x360 [ 5115.986562][ T10] netlink_unicast+0x449/0x710 [ 5115.986562][ T10] netlink_sendmsg+0x723/0xbe0 [ 5115.986562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5115.986562][ T10] ___sys_sendmsg+0xee/0x170 [ 5115.986562][ T10] __sys_sendmsg+0xcd/0x170 [ 5115.986562][ T10] do_syscall_64+0xc6/0x1e0 [ 5115.986562][ T10] [ 5115.988610][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5115.988610][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5115.988610][ T10] ipv6_find_idev+0x102/0x170 [ 5115.988610][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5115.988610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5115.988610][ T10] netlink_rcv_skb+0x130/0x360 [ 5115.988610][ T10] netlink_unicast+0x449/0x710 [ 5115.988610][ T10] netlink_sendmsg+0x723/0xbe0 [ 5115.988610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5115.988610][ T10] ___sys_sendmsg+0xee/0x170 [ 5115.988610][ T10] __sys_sendmsg+0xcd/0x170 [ 5115.988610][ T10] do_syscall_64+0xc6/0x1e0 [ 5115.988610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5115.988610][ T10] [ 5115.990238][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5115.990238][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5115.990238][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5115.990238][ T10] ipv6_find_idev+0x102/0x170 [ 5115.990238][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5115.990238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5115.990238][ T10] netlink_rcv_skb+0x130/0x360 [ 5115.990238][ T10] netlink_unicast+0x449/0x710 [ 5115.990238][ T10] netlink_sendmsg+0x723/0xbe0 [ 5115.990238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5115.990238][ T10] ___sys_sendmsg+0xee/0x170 [ 5115.990238][ T10] __sys_sendmsg+0xcd/0x170 [ 5115.990238][ T10] do_syscall_64+0xc6/0x1e0 [ 5115.990238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5115.990238][ T10] [ 5119.241146][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5119.241638][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5119.241638][ T1167] dst_init+0x84/0x4a0 [ 5119.241638][ T1167] dst_alloc+0x97/0x150 [ 5119.241638][ T1167] ip6_dst_alloc+0x23/0x90 [ 5119.241638][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5119.241638][ T1167] ip6_pol_route+0x56f/0x840 [ 5119.241638][ T1167] fib6_rule_lookup+0x334/0x630 [ 5119.241638][ T1167] ip6_route_output_flags+0x259/0x480 [ 5119.241638][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5119.241638][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5119.241638][ T1167] netlink_rcv_skb+0x130/0x360 [ 5119.241638][ T1167] netlink_unicast+0x449/0x710 [ 5119.241638][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5119.241638][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5119.241638][ T1167] ___sys_sendmsg+0xee/0x170 [ 5119.241638][ T1167] __sys_sendmsg+0xcd/0x170 [ 5119.241638][ T1167] do_syscall_64+0xc6/0x1e0 [ 5119.241638][ T1167] [ 5119.243861][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5119.243861][ T1167] netdev_get_by_index+0x5e/0x80 [ 5119.243861][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5119.243861][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5119.243861][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5119.243861][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5119.243861][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5119.243861][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5119.243861][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5119.243861][ T1167] addrconf_dad_begin+0x310/0x670 [ 5119.243861][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5119.243861][ T1167] process_one_work+0x84d/0x18a0 [ 5119.243861][ T1167] worker_thread+0x587/0xd30 [ 5119.243861][ T1167] kthread+0x28a/0x350 [ 5119.243861][ T1167] ret_from_fork+0x31/0x70 [ 5119.243861][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5119.243861][ T1167] [ 5119.246040][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5119.246040][ T1167] netdev_get_by_index+0x5e/0x80 [ 5119.246040][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5119.246040][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5119.246040][ T1167] ip6_route_add+0x1c/0x140 [ 5119.246040][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5119.246040][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5119.246040][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5119.246040][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5119.246040][ T1167] netlink_rcv_skb+0x130/0x360 [ 5119.246040][ T1167] netlink_unicast+0x449/0x710 [ 5119.246040][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5119.246040][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5119.246040][ T1167] ___sys_sendmsg+0xee/0x170 [ 5119.246040][ T1167] __sys_sendmsg+0xcd/0x170 [ 5119.246040][ T1167] do_syscall_64+0xc6/0x1e0 [ 5119.246040][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5119.246040][ T1167] [ 5119.248288][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5119.248288][ T1167] netdev_get_by_index+0x5e/0x80 [ 5119.248288][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5119.248288][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5119.248288][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5119.248288][ T1167] ipv6_add_addr+0x411/0x2000 [ 5119.248288][ T1167] inet6_addr_add+0x30e/0xa40 [ 5119.248288][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5119.248288][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5119.248288][ T1167] netlink_rcv_skb+0x130/0x360 [ 5119.248288][ T1167] netlink_unicast+0x449/0x710 [ 5119.248288][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5119.248288][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5119.248288][ T1167] ___sys_sendmsg+0xee/0x170 [ 5119.248288][ T1167] __sys_sendmsg+0xcd/0x170 [ 5119.248288][ T1167] do_syscall_64+0xc6/0x1e0 [ 5119.248288][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5119.248288][ T1167] [ 5119.250552][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5119.250552][ T1167] netdev_get_by_index+0x5e/0x80 [ 5119.250552][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5119.250552][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5119.250552][ T1167] ip6_route_add+0x1c/0x140 [ 5119.250552][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5119.250552][ T1167] addrconf_add_dev+0xe2/0x170 [ 5119.250552][ T1167] inet6_addr_add+0x12f/0xa40 [ 5119.250552][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5119.250552][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5119.250552][ T1167] netlink_rcv_skb+0x130/0x360 [ 5119.250552][ T1167] netlink_unicast+0x449/0x710 [ 5119.250552][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5119.250552][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5119.250552][ T1167] ___sys_sendmsg+0xee/0x170 [ 5119.250552][ T1167] __sys_sendmsg+0xcd/0x170 [ 5119.250552][ T1167] do_syscall_64+0xc6/0x1e0 [ 5119.250552][ T1167] [ 5119.252760][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5119.252760][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5119.252760][ T1167] ipv6_find_idev+0x102/0x170 [ 5119.252760][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5119.252760][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5119.252760][ T1167] netlink_rcv_skb+0x130/0x360 [ 5119.252760][ T1167] netlink_unicast+0x449/0x710 [ 5119.252760][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5119.252760][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5119.252760][ T1167] ___sys_sendmsg+0xee/0x170 [ 5119.252760][ T1167] __sys_sendmsg+0xcd/0x170 [ 5119.252760][ T1167] do_syscall_64+0xc6/0x1e0 [ 5119.252760][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5119.252760][ T1167] [ 5119.254500][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5119.254500][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5119.254500][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5119.254500][ T1167] ipv6_find_idev+0x102/0x170 [ 5119.254500][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5119.254500][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5119.254500][ T1167] netlink_rcv_skb+0x130/0x360 [ 5119.254500][ T1167] netlink_unicast+0x449/0x710 [ 5119.254500][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5119.254500][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5119.254500][ T1167] ___sys_sendmsg+0xee/0x170 [ 5119.254500][ T1167] __sys_sendmsg+0xcd/0x170 [ 5119.254500][ T1167] do_syscall_64+0xc6/0x1e0 [ 5119.254500][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5119.254500][ T1167] [ 5126.233115][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5126.233537][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5126.233537][ T10] netdev_get_by_index+0x5e/0x80 [ 5126.233537][ T10] fib6_nh_init+0x3d8/0x1580 [ 5126.233537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5126.233537][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5126.233537][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5126.233537][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5126.233537][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5126.233537][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5126.233537][ T10] addrconf_dad_begin+0x310/0x670 [ 5126.233537][ T10] addrconf_dad_work+0x10b/0xab0 [ 5126.233537][ T10] process_one_work+0x84d/0x18a0 [ 5126.233537][ T10] worker_thread+0x587/0xd30 [ 5126.233537][ T10] kthread+0x28a/0x350 [ 5126.233537][ T10] ret_from_fork+0x31/0x70 [ 5126.233537][ T10] ret_from_fork_asm+0x1a/0x30 [ 5126.233537][ T10] [ 5126.235503][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5126.235503][ T10] netdev_get_by_index+0x5e/0x80 [ 5126.235503][ T10] fib6_nh_init+0x3d8/0x1580 [ 5126.235503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5126.235503][ T10] ip6_route_add+0x1c/0x140 [ 5126.235503][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5126.235503][ T10] inet6_addr_add+0x4f8/0xa40 [ 5126.235503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5126.235503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5126.235503][ T10] netlink_rcv_skb+0x130/0x360 [ 5126.235503][ T10] netlink_unicast+0x449/0x710 [ 5126.235503][ T10] netlink_sendmsg+0x723/0xbe0 [ 5126.235503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5126.235503][ T10] ___sys_sendmsg+0xee/0x170 [ 5126.235503][ T10] __sys_sendmsg+0xcd/0x170 [ 5126.235503][ T10] do_syscall_64+0xc6/0x1e0 [ 5126.235503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5126.235503][ T10] [ 5126.237541][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5126.237541][ T10] netdev_get_by_index+0x5e/0x80 [ 5126.237541][ T10] fib6_nh_init+0x3d8/0x1580 [ 5126.237541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5126.237541][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5126.237541][ T10] ipv6_add_addr+0x411/0x2000 [ 5126.237541][ T10] inet6_addr_add+0x30e/0xa40 [ 5126.237541][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5126.237541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5126.237541][ T10] netlink_rcv_skb+0x130/0x360 [ 5126.237541][ T10] netlink_unicast+0x449/0x710 [ 5126.237541][ T10] netlink_sendmsg+0x723/0xbe0 [ 5126.237541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5126.237541][ T10] ___sys_sendmsg+0xee/0x170 [ 5126.237541][ T10] __sys_sendmsg+0xcd/0x170 [ 5126.237541][ T10] do_syscall_64+0xc6/0x1e0 [ 5126.237541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5126.237541][ T10] [ 5126.239556][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5126.239556][ T10] netdev_get_by_index+0x5e/0x80 [ 5126.239556][ T10] fib6_nh_init+0x3d8/0x1580 [ 5126.239556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5126.239556][ T10] ip6_route_add+0x1c/0x140 [ 5126.239556][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5126.239556][ T10] addrconf_add_dev+0xe2/0x170 [ 5126.239556][ T10] inet6_addr_add+0x12f/0xa40 [ 5126.239556][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5126.239556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5126.239556][ T10] netlink_rcv_skb+0x130/0x360 [ 5126.239556][ T10] netlink_unicast+0x449/0x710 [ 5126.239556][ T10] netlink_sendmsg+0x723/0xbe0 [ 5126.239556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5126.239556][ T10] ___sys_sendmsg+0xee/0x170 [ 5126.239556][ T10] __sys_sendmsg+0xcd/0x170 [ 5126.239556][ T10] do_syscall_64+0xc6/0x1e0 [ 5126.239556][ T10] [ 5126.241516][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5126.241516][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5126.241516][ T10] ipv6_find_idev+0x102/0x170 [ 5126.241516][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5126.241516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5126.241516][ T10] netlink_rcv_skb+0x130/0x360 [ 5126.241516][ T10] netlink_unicast+0x449/0x710 [ 5126.241516][ T10] netlink_sendmsg+0x723/0xbe0 [ 5126.241516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5126.241516][ T10] ___sys_sendmsg+0xee/0x170 [ 5126.241516][ T10] __sys_sendmsg+0xcd/0x170 [ 5126.241516][ T10] do_syscall_64+0xc6/0x1e0 [ 5126.241516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5126.241516][ T10] [ 5126.243058][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5126.243058][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5126.243058][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5126.243058][ T10] ipv6_find_idev+0x102/0x170 [ 5126.243058][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5126.243058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5126.243058][ T10] netlink_rcv_skb+0x130/0x360 [ 5126.243058][ T10] netlink_unicast+0x449/0x710 [ 5126.243058][ T10] netlink_sendmsg+0x723/0xbe0 [ 5126.243058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5126.243058][ T10] ___sys_sendmsg+0xee/0x170 [ 5126.243058][ T10] __sys_sendmsg+0xcd/0x170 [ 5126.243058][ T10] do_syscall_64+0xc6/0x1e0 [ 5126.243058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5126.243058][ T10] [ 5126.244757][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5126.245040][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5126.245040][ T10] netdev_get_by_index+0x5e/0x80 [ 5126.245040][ T10] fib6_nh_init+0x3d8/0x1580 [ 5126.245040][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5126.245040][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5126.245040][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5126.245040][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5126.245040][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5126.245040][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5126.245040][ T10] addrconf_dad_begin+0x310/0x670 [ 5126.245040][ T10] addrconf_dad_work+0x10b/0xab0 [ 5126.245040][ T10] process_one_work+0x84d/0x18a0 [ 5126.245040][ T10] worker_thread+0x587/0xd30 [ 5126.245040][ T10] kthread+0x28a/0x350 [ 5126.245040][ T10] ret_from_fork+0x31/0x70 [ 5126.245040][ T10] ret_from_fork_asm+0x1a/0x30 [ 5126.245040][ T10] [ 5126.246973][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5126.246973][ T10] netdev_get_by_index+0x5e/0x80 [ 5126.246973][ T10] fib6_nh_init+0x3d8/0x1580 [ 5126.246973][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5126.246973][ T10] ip6_route_add+0x1c/0x140 [ 5126.246973][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5126.246973][ T10] inet6_addr_add+0x4f8/0xa40 [ 5126.246973][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5126.246973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5126.246973][ T10] netlink_rcv_skb+0x130/0x360 [ 5126.246973][ T10] netlink_unicast+0x449/0x710 [ 5126.246973][ T10] netlink_sendmsg+0x723/0xbe0 [ 5126.246973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5126.246973][ T10] ___sys_sendmsg+0xee/0x170 [ 5126.246973][ T10] __sys_sendmsg+0xcd/0x170 [ 5126.246973][ T10] do_syscall_64+0xc6/0x1e0 [ 5126.246973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5126.246973][ T10] [ 5126.248980][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5126.248980][ T10] netdev_get_by_index+0x5e/0x80 [ 5126.248980][ T10] fib6_nh_init+0x3d8/0x1580 [ 5126.248980][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5126.248980][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5126.248980][ T10] ipv6_add_addr+0x411/0x2000 [ 5126.248980][ T10] inet6_addr_add+0x30e/0xa40 [ 5126.248980][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5126.248980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5126.248980][ T10] netlink_rcv_skb+0x130/0x360 [ 5126.248980][ T10] netlink_unicast+0x449/0x710 [ 5126.248980][ T10] netlink_sendmsg+0x723/0xbe0 [ 5126.248980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5126.248980][ T10] ___sys_sendmsg+0xee/0x170 [ 5126.248980][ T10] __sys_sendmsg+0xcd/0x170 [ 5126.248980][ T10] do_syscall_64+0xc6/0x1e0 [ 5126.248980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5126.248980][ T10] [ 5126.251114][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5126.251114][ T10] netdev_get_by_index+0x5e/0x80 [ 5126.251114][ T10] fib6_nh_init+0x3d8/0x1580 [ 5126.251114][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5126.251114][ T10] ip6_route_add+0x1c/0x140 [ 5126.251114][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5126.251114][ T10] addrconf_add_dev+0xe2/0x170 [ 5126.251114][ T10] inet6_addr_add+0x12f/0xa40 [ 5126.251114][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5126.251114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5126.251114][ T10] netlink_rcv_skb+0x130/0x360 [ 5126.251114][ T10] netlink_unicast+0x449/0x710 [ 5126.251114][ T10] netlink_sendmsg+0x723/0xbe0 [ 5126.251114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5126.251114][ T10] ___sys_sendmsg+0xee/0x170 [ 5126.251114][ T10] __sys_sendmsg+0xcd/0x170 [ 5126.251114][ T10] do_syscall_64+0xc6/0x1e0 [ 5126.251114][ T10] [ 5126.253092][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5126.253092][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5126.253092][ T10] ipv6_find_idev+0x102/0x170 [ 5126.253092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5126.253092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5126.253092][ T10] netlink_rcv_skb+0x130/0x360 [ 5126.253092][ T10] netlink_unicast+0x449/0x710 [ 5126.253092][ T10] netlink_sendmsg+0x723/0xbe0 [ 5126.253092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5126.253092][ T10] ___sys_sendmsg+0xee/0x170 [ 5126.253092][ T10] __sys_sendmsg+0xcd/0x170 [ 5126.253092][ T10] do_syscall_64+0xc6/0x1e0 [ 5126.253092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5126.253092][ T10] [ 5126.254632][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5126.254632][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5126.254632][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5126.254632][ T10] ipv6_find_idev+0x102/0x170 [ 5126.254632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5126.254632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5126.254632][ T10] netlink_rcv_skb+0x130/0x360 [ 5126.254632][ T10] netlink_unicast+0x449/0x710 [ 5126.254632][ T10] netlink_sendmsg+0x723/0xbe0 [ 5126.254632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5126.254632][ T10] ___sys_sendmsg+0xee/0x170 [ 5126.254632][ T10] __sys_sendmsg+0xcd/0x170 [ 5126.254632][ T10] do_syscall_64+0xc6/0x1e0 [ 5126.254632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5126.254632][ T10] [ 5126.256308][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5126.256559][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5126.256559][ T10] netdev_get_by_index+0x5e/0x80 [ 5126.256559][ T10] fib6_nh_init+0x3d8/0x1580 [ 5126.256559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5126.256559][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5126.256559][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5126.256559][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5126.256559][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5126.256559][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5126.256559][ T10] addrconf_dad_begin+0x310/0x670 [ 5126.256559][ T10] addrconf_dad_work+0x10b/0xab0 [ 5126.256559][ T10] process_one_work+0x84d/0x18a0 [ 5126.256559][ T10] worker_thread+0x587/0xd30 [ 5126.256559][ T10] kthread+0x28a/0x350 [ 5126.256559][ T10] ret_from_fork+0x31/0x70 [ 5126.256559][ T10] ret_from_fork_asm+0x1a/0x30 [ 5126.256559][ T10] [ 5126.258458][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5126.258458][ T10] netdev_get_by_index+0x5e/0x80 [ 5126.258458][ T10] fib6_nh_init+0x3d8/0x1580 [ 5126.258458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5126.258458][ T10] ip6_route_add+0x1c/0x140 [ 5126.258458][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5126.258458][ T10] inet6_addr_add+0x4f8/0xa40 [ 5126.258458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5126.258458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5126.258458][ T10] netlink_rcv_skb+0x130/0x360 [ 5126.258458][ T10] netlink_unicast+0x449/0x710 [ 5126.258458][ T10] netlink_sendmsg+0x723/0xbe0 [ 5126.258458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5126.258458][ T10] ___sys_sendmsg+0xee/0x170 [ 5126.258458][ T10] __sys_sendmsg+0xcd/0x170 [ 5126.258458][ T10] do_syscall_64+0xc6/0x1e0 [ 5126.258458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5126.258458][ T10] [ 5126.260636][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5126.260636][ T10] netdev_get_by_index+0x5e/0x80 [ 5126.260636][ T10] fib6_nh_init+0x3d8/0x1580 [ 5126.260636][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5126.260636][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5126.260636][ T10] ipv6_add_addr+0x411/0x2000 [ 5126.260636][ T10] inet6_addr_add+0x30e/0xa40 [ 5126.260636][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5126.260636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5126.260636][ T10] netlink_rcv_skb+0x130/0x360 [ 5126.260636][ T10] netlink_unicast+0x449/0x710 [ 5126.260636][ T10] netlink_sendmsg+0x723/0xbe0 [ 5126.260636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5126.260636][ T10] ___sys_sendmsg+0xee/0x170 [ 5126.260636][ T10] __sys_sendmsg+0xcd/0x170 [ 5126.260636][ T10] do_syscall_64+0xc6/0x1e0 [ 5126.260636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5126.260636][ T10] [ 5126.262863][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5126.262863][ T10] netdev_get_by_index+0x5e/0x80 [ 5126.262863][ T10] fib6_nh_init+0x3d8/0x1580 [ 5126.262863][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5126.262863][ T10] ip6_route_add+0x1c/0x140 [ 5126.262863][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5126.262863][ T10] addrconf_add_dev+0xe2/0x170 [ 5126.262863][ T10] inet6_addr_add+0x12f/0xa40 [ 5126.262863][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5126.262863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5126.262863][ T10] netlink_rcv_skb+0x130/0x360 [ 5126.262863][ T10] netlink_unicast+0x449/0x710 [ 5126.262863][ T10] netlink_sendmsg+0x723/0xbe0 [ 5126.262863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5126.262863][ T10] ___sys_sendmsg+0xee/0x170 [ 5126.262863][ T10] __sys_sendmsg+0xcd/0x170 [ 5126.262863][ T10] do_syscall_64+0xc6/0x1e0 [ 5126.262863][ T10] [ 5126.265129][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5126.265129][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5126.265129][ T10] ipv6_find_idev+0x102/0x170 [ 5126.265129][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5126.265129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5126.265129][ T10] netlink_rcv_skb+0x130/0x360 [ 5126.265129][ T10] netlink_unicast+0x449/0x710 [ 5126.265129][ T10] netlink_sendmsg+0x723/0xbe0 [ 5126.265129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5126.265129][ T10] ___sys_sendmsg+0xee/0x170 [ 5126.265129][ T10] __sys_sendmsg+0xcd/0x170 [ 5126.265129][ T10] do_syscall_64+0xc6/0x1e0 [ 5126.265129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5126.265129][ T10] [ 5126.266838][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5126.266838][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5126.266838][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5126.266838][ T10] ipv6_find_idev+0x102/0x170 [ 5126.266838][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5126.266838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5126.266838][ T10] netlink_rcv_skb+0x130/0x360 [ 5126.266838][ T10] netlink_unicast+0x449/0x710 [ 5126.266838][ T10] netlink_sendmsg+0x723/0xbe0 [ 5126.266838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5126.266838][ T10] ___sys_sendmsg+0xee/0x170 [ 5126.266838][ T10] __sys_sendmsg+0xcd/0x170 [ 5126.266838][ T10] do_syscall_64+0xc6/0x1e0 [ 5126.266838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5126.266838][ T10] [ 5126.268696][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5126.268936][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5126.268936][ T10] netdev_get_by_index+0x5e/0x80 [ 5126.268936][ T10] fib6_nh_init+0x3d8/0x1580 [ 5126.268936][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5126.268936][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5126.268936][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5126.268936][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5126.268936][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5126.268936][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5126.268936][ T10] addrconf_dad_begin+0x310/0x670 [ 5126.268936][ T10] addrconf_dad_work+0x10b/0xab0 [ 5126.268936][ T10] process_one_work+0x84d/0x18a0 [ 5126.268936][ T10] worker_thread+0x587/0xd30 [ 5126.268936][ T10] kthread+0x28a/0x350 [ 5126.268936][ T10] ret_from_fork+0x31/0x70 [ 5126.268936][ T10] ret_from_fork_asm+0x1a/0x30 [ 5126.268936][ T10] [ 5126.271086][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5126.271086][ T10] netdev_get_by_index+0x5e/0x80 [ 5126.271086][ T10] fib6_nh_init+0x3d8/0x1580 [ 5126.271086][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5126.271086][ T10] ip6_route_add+0x1c/0x140 [ 5126.271086][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5126.271086][ T10] inet6_addr_add+0x4f8/0xa40 [ 5126.271086][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5126.271086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5126.271086][ T10] netlink_rcv_skb+0x130/0x360 [ 5126.271086][ T10] netlink_unicast+0x449/0x710 [ 5126.271086][ T10] netlink_sendmsg+0x723/0xbe0 [ 5126.271086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5126.271086][ T10] ___sys_sendmsg+0xee/0x170 [ 5126.271086][ T10] __sys_sendmsg+0xcd/0x170 [ 5126.271086][ T10] do_syscall_64+0xc6/0x1e0 [ 5126.271086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5126.271086][ T10] [ 5126.273378][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5126.273378][ T10] netdev_get_by_index+0x5e/0x80 [ 5126.273378][ T10] fib6_nh_init+0x3d8/0x1580 [ 5126.273378][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5126.273378][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5126.273378][ T10] ipv6_add_addr+0x411/0x2000 [ 5126.273378][ T10] inet6_addr_add+0x30e/0xa40 [ 5126.273378][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5126.273378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5126.273378][ T10] netlink_rcv_skb+0x130/0x360 [ 5126.273378][ T10] netlink_unicast+0x449/0x710 [ 5126.273378][ T10] netlink_sendmsg+0x723/0xbe0 [ 5126.273378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5126.273378][ T10] ___sys_sendmsg+0xee/0x170 [ 5126.273378][ T10] __sys_sendmsg+0xcd/0x170 [ 5126.273378][ T10] do_syscall_64+0xc6/0x1e0 [ 5126.273378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5126.273378][ T10] [ 5126.275657][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5126.275657][ T10] netdev_get_by_index+0x5e/0x80 [ 5126.275657][ T10] fib6_nh_init+0x3d8/0x1580 [ 5126.275657][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5126.275657][ T10] ip6_route_add+0x1c/0x140 [ 5126.275657][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5126.275657][ T10] addrconf_add_dev+0xe2/0x170 [ 5126.275657][ T10] inet6_addr_add+0x12f/0xa40 [ 5126.275657][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5126.275657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5126.275657][ T10] netlink_rcv_skb+0x130/0x360 [ 5126.275657][ T10] netlink_unicast+0x449/0x710 [ 5126.275657][ T10] netlink_sendmsg+0x723/0xbe0 [ 5126.275657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5126.275657][ T10] ___sys_sendmsg+0xee/0x170 [ 5126.275657][ T10] __sys_sendmsg+0xcd/0x170 [ 5126.275657][ T10] do_syscall_64+0xc6/0x1e0 [ 5126.275657][ T10] [ 5126.277791][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5126.277791][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5126.277791][ T10] ipv6_find_idev+0x102/0x170 [ 5126.277791][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5126.277791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5126.277791][ T10] netlink_rcv_skb+0x130/0x360 [ 5126.277791][ T10] netlink_unicast+0x449/0x710 [ 5126.277791][ T10] netlink_sendmsg+0x723/0xbe0 [ 5126.277791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5126.277791][ T10] ___sys_sendmsg+0xee/0x170 [ 5126.277791][ T10] __sys_sendmsg+0xcd/0x170 [ 5126.277791][ T10] do_syscall_64+0xc6/0x1e0 [ 5126.277791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5126.277791][ T10] [ 5126.279512][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5126.279512][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5126.279512][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5126.279512][ T10] ipv6_find_idev+0x102/0x170 [ 5126.279512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5126.279512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5126.279512][ T10] netlink_rcv_skb+0x130/0x360 [ 5126.279512][ T10] netlink_unicast+0x449/0x710 [ 5126.279512][ T10] netlink_sendmsg+0x723/0xbe0 [ 5126.279512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5126.279512][ T10] ___sys_sendmsg+0xee/0x170 [ 5126.279512][ T10] __sys_sendmsg+0xcd/0x170 [ 5126.279512][ T10] do_syscall_64+0xc6/0x1e0 [ 5126.279512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5126.279512][ T10] [ 5129.505198][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5129.505726][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5129.505726][ T1167] dst_init+0x84/0x4a0 [ 5129.505726][ T1167] dst_alloc+0x97/0x150 [ 5129.505726][ T1167] ip6_dst_alloc+0x23/0x90 [ 5129.505726][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5129.505726][ T1167] ip6_pol_route+0x56f/0x840 [ 5129.505726][ T1167] fib6_rule_lookup+0x334/0x630 [ 5129.505726][ T1167] ip6_route_output_flags+0x259/0x480 [ 5129.505726][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5129.505726][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5129.505726][ T1167] netlink_rcv_skb+0x130/0x360 [ 5129.505726][ T1167] netlink_unicast+0x449/0x710 [ 5129.505726][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5129.505726][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5129.505726][ T1167] ___sys_sendmsg+0xee/0x170 [ 5129.505726][ T1167] __sys_sendmsg+0xcd/0x170 [ 5129.505726][ T1167] do_syscall_64+0xc6/0x1e0 [ 5129.505726][ T1167] [ 5129.507964][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5129.507964][ T1167] netdev_get_by_index+0x5e/0x80 [ 5129.507964][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5129.507964][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5129.507964][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5129.507964][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5129.507964][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5129.507964][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5129.507964][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5129.507964][ T1167] addrconf_dad_begin+0x310/0x670 [ 5129.507964][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5129.507964][ T1167] process_one_work+0x84d/0x18a0 [ 5129.507964][ T1167] worker_thread+0x587/0xd30 [ 5129.507964][ T1167] kthread+0x28a/0x350 [ 5129.507964][ T1167] ret_from_fork+0x31/0x70 [ 5129.507964][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5129.507964][ T1167] [ 5129.510157][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5129.510157][ T1167] netdev_get_by_index+0x5e/0x80 [ 5129.510157][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5129.510157][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5129.510157][ T1167] ip6_route_add+0x1c/0x140 [ 5129.510157][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5129.510157][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5129.510157][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5129.510157][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5129.510157][ T1167] netlink_rcv_skb+0x130/0x360 [ 5129.510157][ T1167] netlink_unicast+0x449/0x710 [ 5129.510157][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5129.510157][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5129.510157][ T1167] ___sys_sendmsg+0xee/0x170 [ 5129.510157][ T1167] __sys_sendmsg+0xcd/0x170 [ 5129.510157][ T1167] do_syscall_64+0xc6/0x1e0 [ 5129.510157][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5129.510157][ T1167] [ 5129.512428][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5129.512428][ T1167] netdev_get_by_index+0x5e/0x80 [ 5129.512428][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5129.512428][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5129.512428][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5129.512428][ T1167] ipv6_add_addr+0x411/0x2000 [ 5129.512428][ T1167] inet6_addr_add+0x30e/0xa40 [ 5129.512428][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5129.512428][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5129.512428][ T1167] netlink_rcv_skb+0x130/0x360 [ 5129.512428][ T1167] netlink_unicast+0x449/0x710 [ 5129.512428][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5129.512428][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5129.512428][ T1167] ___sys_sendmsg+0xee/0x170 [ 5129.512428][ T1167] __sys_sendmsg+0xcd/0x170 [ 5129.512428][ T1167] do_syscall_64+0xc6/0x1e0 [ 5129.512428][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5129.512428][ T1167] [ 5129.514720][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5129.514720][ T1167] netdev_get_by_index+0x5e/0x80 [ 5129.514720][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5129.514720][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5129.514720][ T1167] ip6_route_add+0x1c/0x140 [ 5129.514720][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5129.514720][ T1167] addrconf_add_dev+0xe2/0x170 [ 5129.514720][ T1167] inet6_addr_add+0x12f/0xa40 [ 5129.514720][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5129.514720][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5129.514720][ T1167] netlink_rcv_skb+0x130/0x360 [ 5129.514720][ T1167] netlink_unicast+0x449/0x710 [ 5129.514720][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5129.514720][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5129.514720][ T1167] ___sys_sendmsg+0xee/0x170 [ 5129.514720][ T1167] __sys_sendmsg+0xcd/0x170 [ 5129.514720][ T1167] do_syscall_64+0xc6/0x1e0 [ 5129.514720][ T1167] [ 5129.516982][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5129.516982][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5129.516982][ T1167] ipv6_find_idev+0x102/0x170 [ 5129.516982][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5129.516982][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5129.516982][ T1167] netlink_rcv_skb+0x130/0x360 [ 5129.516982][ T1167] netlink_unicast+0x449/0x710 [ 5129.516982][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5129.516982][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5129.516982][ T1167] ___sys_sendmsg+0xee/0x170 [ 5129.516982][ T1167] __sys_sendmsg+0xcd/0x170 [ 5129.516982][ T1167] do_syscall_64+0xc6/0x1e0 [ 5129.516982][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5129.516982][ T1167] [ 5129.518745][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5129.518745][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5129.518745][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5129.518745][ T1167] ipv6_find_idev+0x102/0x170 [ 5129.518745][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5129.518745][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5129.518745][ T1167] netlink_rcv_skb+0x130/0x360 [ 5129.518745][ T1167] netlink_unicast+0x449/0x710 [ 5129.518745][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5129.518745][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5129.518745][ T1167] ___sys_sendmsg+0xee/0x170 [ 5129.518745][ T1167] __sys_sendmsg+0xcd/0x170 [ 5129.518745][ T1167] do_syscall_64+0xc6/0x1e0 [ 5129.518745][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5129.518745][ T1167] [ 5136.481059][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5136.481490][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5136.481490][ T10] netdev_get_by_index+0x5e/0x80 [ 5136.481490][ T10] fib6_nh_init+0x3d8/0x1580 [ 5136.481490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5136.481490][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5136.481490][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5136.481490][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5136.481490][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5136.481490][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5136.481490][ T10] addrconf_dad_begin+0x310/0x670 [ 5136.481490][ T10] addrconf_dad_work+0x10b/0xab0 [ 5136.481490][ T10] process_one_work+0x84d/0x18a0 [ 5136.481490][ T10] worker_thread+0x587/0xd30 [ 5136.481490][ T10] kthread+0x28a/0x350 [ 5136.481490][ T10] ret_from_fork+0x31/0x70 [ 5136.481490][ T10] ret_from_fork_asm+0x1a/0x30 [ 5136.481490][ T10] [ 5136.483433][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5136.483433][ T10] netdev_get_by_index+0x5e/0x80 [ 5136.483433][ T10] fib6_nh_init+0x3d8/0x1580 [ 5136.483433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5136.483433][ T10] ip6_route_add+0x1c/0x140 [ 5136.483433][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5136.483433][ T10] inet6_addr_add+0x4f8/0xa40 [ 5136.483433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5136.483433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5136.483433][ T10] netlink_rcv_skb+0x130/0x360 [ 5136.483433][ T10] netlink_unicast+0x449/0x710 [ 5136.483433][ T10] netlink_sendmsg+0x723/0xbe0 [ 5136.483433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5136.483433][ T10] ___sys_sendmsg+0xee/0x170 [ 5136.483433][ T10] __sys_sendmsg+0xcd/0x170 [ 5136.483433][ T10] do_syscall_64+0xc6/0x1e0 [ 5136.483433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5136.483433][ T10] [ 5136.485460][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5136.485460][ T10] netdev_get_by_index+0x5e/0x80 [ 5136.485460][ T10] fib6_nh_init+0x3d8/0x1580 [ 5136.485460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5136.485460][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5136.485460][ T10] ipv6_add_addr+0x411/0x2000 [ 5136.485460][ T10] inet6_addr_add+0x30e/0xa40 [ 5136.485460][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5136.485460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5136.485460][ T10] netlink_rcv_skb+0x130/0x360 [ 5136.485460][ T10] netlink_unicast+0x449/0x710 [ 5136.485460][ T10] netlink_sendmsg+0x723/0xbe0 [ 5136.485460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5136.485460][ T10] ___sys_sendmsg+0xee/0x170 [ 5136.485460][ T10] __sys_sendmsg+0xcd/0x170 [ 5136.485460][ T10] do_syscall_64+0xc6/0x1e0 [ 5136.485460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5136.485460][ T10] [ 5136.487453][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5136.487453][ T10] netdev_get_by_index+0x5e/0x80 [ 5136.487453][ T10] fib6_nh_init+0x3d8/0x1580 [ 5136.487453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5136.487453][ T10] ip6_route_add+0x1c/0x140 [ 5136.487453][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5136.487453][ T10] addrconf_add_dev+0xe2/0x170 [ 5136.487453][ T10] inet6_addr_add+0x12f/0xa40 [ 5136.487453][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5136.487453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5136.487453][ T10] netlink_rcv_skb+0x130/0x360 [ 5136.487453][ T10] netlink_unicast+0x449/0x710 [ 5136.487453][ T10] netlink_sendmsg+0x723/0xbe0 [ 5136.487453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5136.487453][ T10] ___sys_sendmsg+0xee/0x170 [ 5136.487453][ T10] __sys_sendmsg+0xcd/0x170 [ 5136.487453][ T10] do_syscall_64+0xc6/0x1e0 [ 5136.487453][ T10] [ 5136.489422][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5136.489422][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5136.489422][ T10] ipv6_find_idev+0x102/0x170 [ 5136.489422][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5136.489422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5136.489422][ T10] netlink_rcv_skb+0x130/0x360 [ 5136.489422][ T10] netlink_unicast+0x449/0x710 [ 5136.489422][ T10] netlink_sendmsg+0x723/0xbe0 [ 5136.489422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5136.489422][ T10] ___sys_sendmsg+0xee/0x170 [ 5136.489422][ T10] __sys_sendmsg+0xcd/0x170 [ 5136.489422][ T10] do_syscall_64+0xc6/0x1e0 [ 5136.489422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5136.489422][ T10] [ 5136.490957][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5136.490957][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5136.490957][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5136.490957][ T10] ipv6_find_idev+0x102/0x170 [ 5136.490957][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5136.490957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5136.490957][ T10] netlink_rcv_skb+0x130/0x360 [ 5136.490957][ T10] netlink_unicast+0x449/0x710 [ 5136.490957][ T10] netlink_sendmsg+0x723/0xbe0 [ 5136.490957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5136.490957][ T10] ___sys_sendmsg+0xee/0x170 [ 5136.490957][ T10] __sys_sendmsg+0xcd/0x170 [ 5136.490957][ T10] do_syscall_64+0xc6/0x1e0 [ 5136.490957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5136.490957][ T10] [ 5136.492658][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5136.492908][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5136.492908][ T10] netdev_get_by_index+0x5e/0x80 [ 5136.492908][ T10] fib6_nh_init+0x3d8/0x1580 [ 5136.492908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5136.492908][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5136.492908][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5136.492908][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5136.492908][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5136.492908][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5136.492908][ T10] addrconf_dad_begin+0x310/0x670 [ 5136.492908][ T10] addrconf_dad_work+0x10b/0xab0 [ 5136.492908][ T10] process_one_work+0x84d/0x18a0 [ 5136.492908][ T10] worker_thread+0x587/0xd30 [ 5136.492908][ T10] kthread+0x28a/0x350 [ 5136.492908][ T10] ret_from_fork+0x31/0x70 [ 5136.492908][ T10] ret_from_fork_asm+0x1a/0x30 [ 5136.492908][ T10] [ 5136.494837][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5136.494837][ T10] netdev_get_by_index+0x5e/0x80 [ 5136.494837][ T10] fib6_nh_init+0x3d8/0x1580 [ 5136.494837][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5136.494837][ T10] ip6_route_add+0x1c/0x140 [ 5136.494837][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5136.494837][ T10] inet6_addr_add+0x4f8/0xa40 [ 5136.494837][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5136.494837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5136.494837][ T10] netlink_rcv_skb+0x130/0x360 [ 5136.494837][ T10] netlink_unicast+0x449/0x710 [ 5136.494837][ T10] netlink_sendmsg+0x723/0xbe0 [ 5136.494837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5136.494837][ T10] ___sys_sendmsg+0xee/0x170 [ 5136.494837][ T10] __sys_sendmsg+0xcd/0x170 [ 5136.494837][ T10] do_syscall_64+0xc6/0x1e0 [ 5136.494837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5136.494837][ T10] [ 5136.496859][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5136.496859][ T10] netdev_get_by_index+0x5e/0x80 [ 5136.496859][ T10] fib6_nh_init+0x3d8/0x1580 [ 5136.496859][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5136.496859][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5136.496859][ T10] ipv6_add_addr+0x411/0x2000 [ 5136.496859][ T10] inet6_addr_add+0x30e/0xa40 [ 5136.496859][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5136.496859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5136.496859][ T10] netlink_rcv_skb+0x130/0x360 [ 5136.496859][ T10] netlink_unicast+0x449/0x710 [ 5136.496859][ T10] netlink_sendmsg+0x723/0xbe0 [ 5136.496859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5136.496859][ T10] ___sys_sendmsg+0xee/0x170 [ 5136.496859][ T10] __sys_sendmsg+0xcd/0x170 [ 5136.496859][ T10] do_syscall_64+0xc6/0x1e0 [ 5136.496859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5136.496859][ T10] [ 5136.498854][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5136.498854][ T10] netdev_get_by_index+0x5e/0x80 [ 5136.498854][ T10] fib6_nh_init+0x3d8/0x1580 [ 5136.498854][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5136.498854][ T10] ip6_route_add+0x1c/0x140 [ 5136.498854][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5136.498854][ T10] addrconf_add_dev+0xe2/0x170 [ 5136.498854][ T10] inet6_addr_add+0x12f/0xa40 [ 5136.498854][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5136.498854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5136.498854][ T10] netlink_rcv_skb+0x130/0x360 [ 5136.498854][ T10] netlink_unicast+0x449/0x710 [ 5136.498854][ T10] netlink_sendmsg+0x723/0xbe0 [ 5136.498854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5136.498854][ T10] ___sys_sendmsg+0xee/0x170 [ 5136.498854][ T10] __sys_sendmsg+0xcd/0x170 [ 5136.498854][ T10] do_syscall_64+0xc6/0x1e0 [ 5136.498854][ T10] [ 5136.500828][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5136.500828][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5136.500828][ T10] ipv6_find_idev+0x102/0x170 [ 5136.500828][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5136.500828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5136.500828][ T10] netlink_rcv_skb+0x130/0x360 [ 5136.500828][ T10] netlink_unicast+0x449/0x710 [ 5136.500828][ T10] netlink_sendmsg+0x723/0xbe0 [ 5136.500828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5136.500828][ T10] ___sys_sendmsg+0xee/0x170 [ 5136.500828][ T10] __sys_sendmsg+0xcd/0x170 [ 5136.500828][ T10] do_syscall_64+0xc6/0x1e0 [ 5136.500828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5136.500828][ T10] [ 5136.502364][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5136.502364][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5136.502364][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5136.502364][ T10] ipv6_find_idev+0x102/0x170 [ 5136.502364][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5136.502364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5136.502364][ T10] netlink_rcv_skb+0x130/0x360 [ 5136.502364][ T10] netlink_unicast+0x449/0x710 [ 5136.502364][ T10] netlink_sendmsg+0x723/0xbe0 [ 5136.502364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5136.502364][ T10] ___sys_sendmsg+0xee/0x170 [ 5136.502364][ T10] __sys_sendmsg+0xcd/0x170 [ 5136.502364][ T10] do_syscall_64+0xc6/0x1e0 [ 5136.502364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5136.502364][ T10] [ 5136.504060][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5136.504298][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5136.504298][ T10] netdev_get_by_index+0x5e/0x80 [ 5136.504298][ T10] fib6_nh_init+0x3d8/0x1580 [ 5136.504298][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5136.504298][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5136.504298][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5136.504298][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5136.504298][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5136.504298][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5136.504298][ T10] addrconf_dad_begin+0x310/0x670 [ 5136.504298][ T10] addrconf_dad_work+0x10b/0xab0 [ 5136.504298][ T10] process_one_work+0x84d/0x18a0 [ 5136.504298][ T10] worker_thread+0x587/0xd30 [ 5136.504298][ T10] kthread+0x28a/0x350 [ 5136.504298][ T10] ret_from_fork+0x31/0x70 [ 5136.504298][ T10] ret_from_fork_asm+0x1a/0x30 [ 5136.504298][ T10] [ 5136.506217][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5136.506217][ T10] netdev_get_by_index+0x5e/0x80 [ 5136.506217][ T10] fib6_nh_init+0x3d8/0x1580 [ 5136.506217][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5136.506217][ T10] ip6_route_add+0x1c/0x140 [ 5136.506217][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5136.506217][ T10] inet6_addr_add+0x4f8/0xa40 [ 5136.506217][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5136.506217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5136.506217][ T10] netlink_rcv_skb+0x130/0x360 [ 5136.506217][ T10] netlink_unicast+0x449/0x710 [ 5136.506217][ T10] netlink_sendmsg+0x723/0xbe0 [ 5136.506217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5136.506217][ T10] ___sys_sendmsg+0xee/0x170 [ 5136.506217][ T10] __sys_sendmsg+0xcd/0x170 [ 5136.506217][ T10] do_syscall_64+0xc6/0x1e0 [ 5136.506217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5136.506217][ T10] [ 5136.508399][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5136.508399][ T10] netdev_get_by_index+0x5e/0x80 [ 5136.508399][ T10] fib6_nh_init+0x3d8/0x1580 [ 5136.508399][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5136.508399][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5136.508399][ T10] ipv6_add_addr+0x411/0x2000 [ 5136.508399][ T10] inet6_addr_add+0x30e/0xa40 [ 5136.508399][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5136.508399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5136.508399][ T10] netlink_rcv_skb+0x130/0x360 [ 5136.508399][ T10] netlink_unicast+0x449/0x710 [ 5136.508399][ T10] netlink_sendmsg+0x723/0xbe0 [ 5136.508399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5136.508399][ T10] ___sys_sendmsg+0xee/0x170 [ 5136.508399][ T10] __sys_sendmsg+0xcd/0x170 [ 5136.508399][ T10] do_syscall_64+0xc6/0x1e0 [ 5136.508399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5136.508399][ T10] [ 5136.510702][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5136.510702][ T10] netdev_get_by_index+0x5e/0x80 [ 5136.510702][ T10] fib6_nh_init+0x3d8/0x1580 [ 5136.510702][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5136.510702][ T10] ip6_route_add+0x1c/0x140 [ 5136.510702][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5136.510702][ T10] addrconf_add_dev+0xe2/0x170 [ 5136.510702][ T10] inet6_addr_add+0x12f/0xa40 [ 5136.510702][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5136.510702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5136.510702][ T10] netlink_rcv_skb+0x130/0x360 [ 5136.510702][ T10] netlink_unicast+0x449/0x710 [ 5136.510702][ T10] netlink_sendmsg+0x723/0xbe0 [ 5136.510702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5136.510702][ T10] ___sys_sendmsg+0xee/0x170 [ 5136.510702][ T10] __sys_sendmsg+0xcd/0x170 [ 5136.510702][ T10] do_syscall_64+0xc6/0x1e0 [ 5136.510702][ T10] [ 5136.512842][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5136.512842][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5136.512842][ T10] ipv6_find_idev+0x102/0x170 [ 5136.512842][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5136.512842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5136.512842][ T10] netlink_rcv_skb+0x130/0x360 [ 5136.512842][ T10] netlink_unicast+0x449/0x710 [ 5136.512842][ T10] netlink_sendmsg+0x723/0xbe0 [ 5136.512842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5136.512842][ T10] ___sys_sendmsg+0xee/0x170 [ 5136.512842][ T10] __sys_sendmsg+0xcd/0x170 [ 5136.512842][ T10] do_syscall_64+0xc6/0x1e0 [ 5136.512842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5136.512842][ T10] [ 5136.514571][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5136.514571][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5136.514571][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5136.514571][ T10] ipv6_find_idev+0x102/0x170 [ 5136.514571][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5136.514571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5136.514571][ T10] netlink_rcv_skb+0x130/0x360 [ 5136.514571][ T10] netlink_unicast+0x449/0x710 [ 5136.514571][ T10] netlink_sendmsg+0x723/0xbe0 [ 5136.514571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5136.514571][ T10] ___sys_sendmsg+0xee/0x170 [ 5136.514571][ T10] __sys_sendmsg+0xcd/0x170 [ 5136.514571][ T10] do_syscall_64+0xc6/0x1e0 [ 5136.514571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5136.514571][ T10] [ 5136.516484][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5136.516721][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5136.516721][ T10] netdev_get_by_index+0x5e/0x80 [ 5136.516721][ T10] fib6_nh_init+0x3d8/0x1580 [ 5136.516721][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5136.516721][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5136.516721][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5136.516721][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5136.516721][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5136.516721][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5136.516721][ T10] addrconf_dad_begin+0x310/0x670 [ 5136.516721][ T10] addrconf_dad_work+0x10b/0xab0 [ 5136.516721][ T10] process_one_work+0x84d/0x18a0 [ 5136.516721][ T10] worker_thread+0x587/0xd30 [ 5136.516721][ T10] kthread+0x28a/0x350 [ 5136.516721][ T10] ret_from_fork+0x31/0x70 [ 5136.516721][ T10] ret_from_fork_asm+0x1a/0x30 [ 5136.516721][ T10] [ 5136.518929][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5136.518929][ T10] netdev_get_by_index+0x5e/0x80 [ 5136.518929][ T10] fib6_nh_init+0x3d8/0x1580 [ 5136.518929][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5136.518929][ T10] ip6_route_add+0x1c/0x140 [ 5136.518929][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5136.518929][ T10] inet6_addr_add+0x4f8/0xa40 [ 5136.518929][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5136.518929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5136.518929][ T10] netlink_rcv_skb+0x130/0x360 [ 5136.518929][ T10] netlink_unicast+0x449/0x710 [ 5136.518929][ T10] netlink_sendmsg+0x723/0xbe0 [ 5136.518929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5136.518929][ T10] ___sys_sendmsg+0xee/0x170 [ 5136.518929][ T10] __sys_sendmsg+0xcd/0x170 [ 5136.518929][ T10] do_syscall_64+0xc6/0x1e0 [ 5136.518929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5136.518929][ T10] [ 5136.521138][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5136.521138][ T10] netdev_get_by_index+0x5e/0x80 [ 5136.521138][ T10] fib6_nh_init+0x3d8/0x1580 [ 5136.521138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5136.521138][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5136.521138][ T10] ipv6_add_addr+0x411/0x2000 [ 5136.521138][ T10] inet6_addr_add+0x30e/0xa40 [ 5136.521138][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5136.521138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5136.521138][ T10] netlink_rcv_skb+0x130/0x360 [ 5136.521138][ T10] netlink_unicast+0x449/0x710 [ 5136.521138][ T10] netlink_sendmsg+0x723/0xbe0 [ 5136.521138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5136.521138][ T10] ___sys_sendmsg+0xee/0x170 [ 5136.521138][ T10] __sys_sendmsg+0xcd/0x170 [ 5136.521138][ T10] do_syscall_64+0xc6/0x1e0 [ 5136.521138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5136.521138][ T10] [ 5136.523371][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5136.523371][ T10] netdev_get_by_index+0x5e/0x80 [ 5136.523371][ T10] fib6_nh_init+0x3d8/0x1580 [ 5136.523371][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5136.523371][ T10] ip6_route_add+0x1c/0x140 [ 5136.523371][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5136.523371][ T10] addrconf_add_dev+0xe2/0x170 [ 5136.523371][ T10] inet6_addr_add+0x12f/0xa40 [ 5136.523371][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5136.523371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5136.523371][ T10] netlink_rcv_skb+0x130/0x360 [ 5136.523371][ T10] netlink_unicast+0x449/0x710 [ 5136.523371][ T10] netlink_sendmsg+0x723/0xbe0 [ 5136.523371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5136.523371][ T10] ___sys_sendmsg+0xee/0x170 [ 5136.523371][ T10] __sys_sendmsg+0xcd/0x170 [ 5136.523371][ T10] do_syscall_64+0xc6/0x1e0 [ 5136.523371][ T10] [ 5136.525564][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5136.525564][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5136.525564][ T10] ipv6_find_idev+0x102/0x170 [ 5136.525564][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5136.525564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5136.525564][ T10] netlink_rcv_skb+0x130/0x360 [ 5136.525564][ T10] netlink_unicast+0x449/0x710 [ 5136.525564][ T10] netlink_sendmsg+0x723/0xbe0 [ 5136.525564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5136.525564][ T10] ___sys_sendmsg+0xee/0x170 [ 5136.525564][ T10] __sys_sendmsg+0xcd/0x170 [ 5136.525564][ T10] do_syscall_64+0xc6/0x1e0 [ 5136.525564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5136.525564][ T10] [ 5136.527285][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5136.527285][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5136.527285][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5136.527285][ T10] ipv6_find_idev+0x102/0x170 [ 5136.527285][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5136.527285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5136.527285][ T10] netlink_rcv_skb+0x130/0x360 [ 5136.527285][ T10] netlink_unicast+0x449/0x710 [ 5136.527285][ T10] netlink_sendmsg+0x723/0xbe0 [ 5136.527285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5136.527285][ T10] ___sys_sendmsg+0xee/0x170 [ 5136.527285][ T10] __sys_sendmsg+0xcd/0x170 [ 5136.527285][ T10] do_syscall_64+0xc6/0x1e0 [ 5136.527285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5136.527285][ T10] [ 5139.553107][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5139.553602][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5139.553602][ T1167] dst_init+0x84/0x4a0 [ 5139.553602][ T1167] dst_alloc+0x97/0x150 [ 5139.553602][ T1167] ip6_dst_alloc+0x23/0x90 [ 5139.553602][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5139.553602][ T1167] ip6_pol_route+0x56f/0x840 [ 5139.553602][ T1167] fib6_rule_lookup+0x334/0x630 [ 5139.553602][ T1167] ip6_route_output_flags+0x259/0x480 [ 5139.553602][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5139.553602][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5139.553602][ T1167] netlink_rcv_skb+0x130/0x360 [ 5139.553602][ T1167] netlink_unicast+0x449/0x710 [ 5139.553602][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5139.553602][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5139.553602][ T1167] ___sys_sendmsg+0xee/0x170 [ 5139.553602][ T1167] __sys_sendmsg+0xcd/0x170 [ 5139.553602][ T1167] do_syscall_64+0xc6/0x1e0 [ 5139.553602][ T1167] [ 5139.555871][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5139.555871][ T1167] netdev_get_by_index+0x5e/0x80 [ 5139.555871][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5139.555871][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5139.555871][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5139.555871][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5139.555871][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5139.555871][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5139.555871][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5139.555871][ T1167] addrconf_dad_begin+0x310/0x670 [ 5139.555871][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5139.555871][ T1167] process_one_work+0x84d/0x18a0 [ 5139.555871][ T1167] worker_thread+0x587/0xd30 [ 5139.555871][ T1167] kthread+0x28a/0x350 [ 5139.555871][ T1167] ret_from_fork+0x31/0x70 [ 5139.555871][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5139.555871][ T1167] [ 5139.558074][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5139.558074][ T1167] netdev_get_by_index+0x5e/0x80 [ 5139.558074][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5139.558074][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5139.558074][ T1167] ip6_route_add+0x1c/0x140 [ 5139.558074][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5139.558074][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5139.558074][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5139.558074][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5139.558074][ T1167] netlink_rcv_skb+0x130/0x360 [ 5139.558074][ T1167] netlink_unicast+0x449/0x710 [ 5139.558074][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5139.558074][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5139.558074][ T1167] ___sys_sendmsg+0xee/0x170 [ 5139.558074][ T1167] __sys_sendmsg+0xcd/0x170 [ 5139.558074][ T1167] do_syscall_64+0xc6/0x1e0 [ 5139.558074][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5139.558074][ T1167] [ 5139.560365][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5139.560365][ T1167] netdev_get_by_index+0x5e/0x80 [ 5139.560365][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5139.560365][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5139.560365][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5139.560365][ T1167] ipv6_add_addr+0x411/0x2000 [ 5139.560365][ T1167] inet6_addr_add+0x30e/0xa40 [ 5139.560365][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5139.560365][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5139.560365][ T1167] netlink_rcv_skb+0x130/0x360 [ 5139.560365][ T1167] netlink_unicast+0x449/0x710 [ 5139.560365][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5139.560365][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5139.560365][ T1167] ___sys_sendmsg+0xee/0x170 [ 5139.560365][ T1167] __sys_sendmsg+0xcd/0x170 [ 5139.560365][ T1167] do_syscall_64+0xc6/0x1e0 [ 5139.560365][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5139.560365][ T1167] [ 5139.562646][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5139.562646][ T1167] netdev_get_by_index+0x5e/0x80 [ 5139.562646][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5139.562646][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5139.562646][ T1167] ip6_route_add+0x1c/0x140 [ 5139.562646][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5139.562646][ T1167] addrconf_add_dev+0xe2/0x170 [ 5139.562646][ T1167] inet6_addr_add+0x12f/0xa40 [ 5139.562646][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5139.562646][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5139.562646][ T1167] netlink_rcv_skb+0x130/0x360 [ 5139.562646][ T1167] netlink_unicast+0x449/0x710 [ 5139.562646][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5139.562646][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5139.562646][ T1167] ___sys_sendmsg+0xee/0x170 [ 5139.562646][ T1167] __sys_sendmsg+0xcd/0x170 [ 5139.562646][ T1167] do_syscall_64+0xc6/0x1e0 [ 5139.562646][ T1167] [ 5139.564920][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5139.564920][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5139.564920][ T1167] ipv6_find_idev+0x102/0x170 [ 5139.564920][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5139.564920][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5139.564920][ T1167] netlink_rcv_skb+0x130/0x360 [ 5139.564920][ T1167] netlink_unicast+0x449/0x710 [ 5139.564920][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5139.564920][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5139.564920][ T1167] ___sys_sendmsg+0xee/0x170 [ 5139.564920][ T1167] __sys_sendmsg+0xcd/0x170 [ 5139.564920][ T1167] do_syscall_64+0xc6/0x1e0 [ 5139.564920][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5139.564920][ T1167] [ 5139.566680][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5139.566680][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5139.566680][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5139.566680][ T1167] ipv6_find_idev+0x102/0x170 [ 5139.566680][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5139.566680][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5139.566680][ T1167] netlink_rcv_skb+0x130/0x360 [ 5139.566680][ T1167] netlink_unicast+0x449/0x710 [ 5139.566680][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5139.566680][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5139.566680][ T1167] ___sys_sendmsg+0xee/0x170 [ 5139.566680][ T1167] __sys_sendmsg+0xcd/0x170 [ 5139.566680][ T1167] do_syscall_64+0xc6/0x1e0 [ 5139.566680][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5139.566680][ T1167] [ 5146.721185][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5146.721587][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5146.721587][ T10] netdev_get_by_index+0x5e/0x80 [ 5146.721587][ T10] fib6_nh_init+0x3d8/0x1580 [ 5146.721587][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5146.721587][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5146.721587][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5146.721587][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5146.721587][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5146.721587][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5146.721587][ T10] addrconf_dad_begin+0x310/0x670 [ 5146.721587][ T10] addrconf_dad_work+0x10b/0xab0 [ 5146.721587][ T10] process_one_work+0x84d/0x18a0 [ 5146.721587][ T10] worker_thread+0x587/0xd30 [ 5146.721587][ T10] kthread+0x28a/0x350 [ 5146.721587][ T10] ret_from_fork+0x31/0x70 [ 5146.721587][ T10] ret_from_fork_asm+0x1a/0x30 [ 5146.721587][ T10] [ 5146.723568][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5146.723568][ T10] netdev_get_by_index+0x5e/0x80 [ 5146.723568][ T10] fib6_nh_init+0x3d8/0x1580 [ 5146.723568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5146.723568][ T10] ip6_route_add+0x1c/0x140 [ 5146.723568][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5146.723568][ T10] inet6_addr_add+0x4f8/0xa40 [ 5146.723568][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5146.723568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5146.723568][ T10] netlink_rcv_skb+0x130/0x360 [ 5146.723568][ T10] netlink_unicast+0x449/0x710 [ 5146.723568][ T10] netlink_sendmsg+0x723/0xbe0 [ 5146.723568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5146.723568][ T10] ___sys_sendmsg+0xee/0x170 [ 5146.723568][ T10] __sys_sendmsg+0xcd/0x170 [ 5146.723568][ T10] do_syscall_64+0xc6/0x1e0 [ 5146.723568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5146.723568][ T10] [ 5146.725584][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5146.725584][ T10] netdev_get_by_index+0x5e/0x80 [ 5146.725584][ T10] fib6_nh_init+0x3d8/0x1580 [ 5146.725584][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5146.725584][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5146.725584][ T10] ipv6_add_addr+0x411/0x2000 [ 5146.725584][ T10] inet6_addr_add+0x30e/0xa40 [ 5146.725584][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5146.725584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5146.725584][ T10] netlink_rcv_skb+0x130/0x360 [ 5146.725584][ T10] netlink_unicast+0x449/0x710 [ 5146.725584][ T10] netlink_sendmsg+0x723/0xbe0 [ 5146.725584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5146.725584][ T10] ___sys_sendmsg+0xee/0x170 [ 5146.725584][ T10] __sys_sendmsg+0xcd/0x170 [ 5146.725584][ T10] do_syscall_64+0xc6/0x1e0 [ 5146.725584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5146.725584][ T10] [ 5146.727584][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5146.727584][ T10] netdev_get_by_index+0x5e/0x80 [ 5146.727584][ T10] fib6_nh_init+0x3d8/0x1580 [ 5146.727584][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5146.727584][ T10] ip6_route_add+0x1c/0x140 [ 5146.727584][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5146.727584][ T10] addrconf_add_dev+0xe2/0x170 [ 5146.727584][ T10] inet6_addr_add+0x12f/0xa40 [ 5146.727584][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5146.727584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5146.727584][ T10] netlink_rcv_skb+0x130/0x360 [ 5146.727584][ T10] netlink_unicast+0x449/0x710 [ 5146.727584][ T10] netlink_sendmsg+0x723/0xbe0 [ 5146.727584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5146.727584][ T10] ___sys_sendmsg+0xee/0x170 [ 5146.727584][ T10] __sys_sendmsg+0xcd/0x170 [ 5146.727584][ T10] do_syscall_64+0xc6/0x1e0 [ 5146.727584][ T10] [ 5146.729547][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5146.729547][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5146.729547][ T10] ipv6_find_idev+0x102/0x170 [ 5146.729547][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5146.729547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5146.729547][ T10] netlink_rcv_skb+0x130/0x360 [ 5146.729547][ T10] netlink_unicast+0x449/0x710 [ 5146.729547][ T10] netlink_sendmsg+0x723/0xbe0 [ 5146.729547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5146.729547][ T10] ___sys_sendmsg+0xee/0x170 [ 5146.729547][ T10] __sys_sendmsg+0xcd/0x170 [ 5146.729547][ T10] do_syscall_64+0xc6/0x1e0 [ 5146.729547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5146.729547][ T10] [ 5146.731093][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5146.731093][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5146.731093][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5146.731093][ T10] ipv6_find_idev+0x102/0x170 [ 5146.731093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5146.731093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5146.731093][ T10] netlink_rcv_skb+0x130/0x360 [ 5146.731093][ T10] netlink_unicast+0x449/0x710 [ 5146.731093][ T10] netlink_sendmsg+0x723/0xbe0 [ 5146.731093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5146.731093][ T10] ___sys_sendmsg+0xee/0x170 [ 5146.731093][ T10] __sys_sendmsg+0xcd/0x170 [ 5146.731093][ T10] do_syscall_64+0xc6/0x1e0 [ 5146.731093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5146.731093][ T10] [ 5146.732795][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5146.733068][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5146.733068][ T10] netdev_get_by_index+0x5e/0x80 [ 5146.733068][ T10] fib6_nh_init+0x3d8/0x1580 [ 5146.733068][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5146.733068][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5146.733068][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5146.733068][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5146.733068][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5146.733068][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5146.733068][ T10] addrconf_dad_begin+0x310/0x670 [ 5146.733068][ T10] addrconf_dad_work+0x10b/0xab0 [ 5146.733068][ T10] process_one_work+0x84d/0x18a0 [ 5146.733068][ T10] worker_thread+0x587/0xd30 [ 5146.733068][ T10] kthread+0x28a/0x350 [ 5146.733068][ T10] ret_from_fork+0x31/0x70 [ 5146.733068][ T10] ret_from_fork_asm+0x1a/0x30 [ 5146.733068][ T10] [ 5146.734981][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5146.734981][ T10] netdev_get_by_index+0x5e/0x80 [ 5146.734981][ T10] fib6_nh_init+0x3d8/0x1580 [ 5146.734981][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5146.734981][ T10] ip6_route_add+0x1c/0x140 [ 5146.734981][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5146.734981][ T10] inet6_addr_add+0x4f8/0xa40 [ 5146.734981][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5146.734981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5146.734981][ T10] netlink_rcv_skb+0x130/0x360 [ 5146.734981][ T10] netlink_unicast+0x449/0x710 [ 5146.734981][ T10] netlink_sendmsg+0x723/0xbe0 [ 5146.734981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5146.734981][ T10] ___sys_sendmsg+0xee/0x170 [ 5146.734981][ T10] __sys_sendmsg+0xcd/0x170 [ 5146.734981][ T10] do_syscall_64+0xc6/0x1e0 [ 5146.734981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5146.734981][ T10] [ 5146.737005][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5146.737005][ T10] netdev_get_by_index+0x5e/0x80 [ 5146.737005][ T10] fib6_nh_init+0x3d8/0x1580 [ 5146.737005][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5146.737005][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5146.737005][ T10] ipv6_add_addr+0x411/0x2000 [ 5146.737005][ T10] inet6_addr_add+0x30e/0xa40 [ 5146.737005][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5146.737005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5146.737005][ T10] netlink_rcv_skb+0x130/0x360 [ 5146.737005][ T10] netlink_unicast+0x449/0x710 [ 5146.737005][ T10] netlink_sendmsg+0x723/0xbe0 [ 5146.737005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5146.737005][ T10] ___sys_sendmsg+0xee/0x170 [ 5146.737005][ T10] __sys_sendmsg+0xcd/0x170 [ 5146.737005][ T10] do_syscall_64+0xc6/0x1e0 [ 5146.737005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5146.737005][ T10] [ 5146.739010][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5146.739010][ T10] netdev_get_by_index+0x5e/0x80 [ 5146.739010][ T10] fib6_nh_init+0x3d8/0x1580 [ 5146.739010][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5146.739010][ T10] ip6_route_add+0x1c/0x140 [ 5146.739010][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5146.739010][ T10] addrconf_add_dev+0xe2/0x170 [ 5146.739010][ T10] inet6_addr_add+0x12f/0xa40 [ 5146.739010][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5146.739010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5146.739010][ T10] netlink_rcv_skb+0x130/0x360 [ 5146.739010][ T10] netlink_unicast+0x449/0x710 [ 5146.739010][ T10] netlink_sendmsg+0x723/0xbe0 [ 5146.739010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5146.739010][ T10] ___sys_sendmsg+0xee/0x170 [ 5146.739010][ T10] __sys_sendmsg+0xcd/0x170 [ 5146.739010][ T10] do_syscall_64+0xc6/0x1e0 [ 5146.739010][ T10] [ 5146.740970][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5146.740970][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5146.740970][ T10] ipv6_find_idev+0x102/0x170 [ 5146.740970][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5146.740970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5146.740970][ T10] netlink_rcv_skb+0x130/0x360 [ 5146.740970][ T10] netlink_unicast+0x449/0x710 [ 5146.740970][ T10] netlink_sendmsg+0x723/0xbe0 [ 5146.740970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5146.740970][ T10] ___sys_sendmsg+0xee/0x170 [ 5146.740970][ T10] __sys_sendmsg+0xcd/0x170 [ 5146.740970][ T10] do_syscall_64+0xc6/0x1e0 [ 5146.740970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5146.740970][ T10] [ 5146.742520][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5146.742520][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5146.742520][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5146.742520][ T10] ipv6_find_idev+0x102/0x170 [ 5146.742520][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5146.742520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5146.742520][ T10] netlink_rcv_skb+0x130/0x360 [ 5146.742520][ T10] netlink_unicast+0x449/0x710 [ 5146.742520][ T10] netlink_sendmsg+0x723/0xbe0 [ 5146.742520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5146.742520][ T10] ___sys_sendmsg+0xee/0x170 [ 5146.742520][ T10] __sys_sendmsg+0xcd/0x170 [ 5146.742520][ T10] do_syscall_64+0xc6/0x1e0 [ 5146.742520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5146.742520][ T10] [ 5146.744230][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5146.744496][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5146.744496][ T10] netdev_get_by_index+0x5e/0x80 [ 5146.744496][ T10] fib6_nh_init+0x3d8/0x1580 [ 5146.744496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5146.744496][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5146.744496][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5146.744496][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5146.744496][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5146.744496][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5146.744496][ T10] addrconf_dad_begin+0x310/0x670 [ 5146.744496][ T10] addrconf_dad_work+0x10b/0xab0 [ 5146.744496][ T10] process_one_work+0x84d/0x18a0 [ 5146.744496][ T10] worker_thread+0x587/0xd30 [ 5146.744496][ T10] kthread+0x28a/0x350 [ 5146.744496][ T10] ret_from_fork+0x31/0x70 [ 5146.744496][ T10] ret_from_fork_asm+0x1a/0x30 [ 5146.744496][ T10] [ 5146.746407][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5146.746407][ T10] netdev_get_by_index+0x5e/0x80 [ 5146.746407][ T10] fib6_nh_init+0x3d8/0x1580 [ 5146.746407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5146.746407][ T10] ip6_route_add+0x1c/0x140 [ 5146.746407][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5146.746407][ T10] inet6_addr_add+0x4f8/0xa40 [ 5146.746407][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5146.746407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5146.746407][ T10] netlink_rcv_skb+0x130/0x360 [ 5146.746407][ T10] netlink_unicast+0x449/0x710 [ 5146.746407][ T10] netlink_sendmsg+0x723/0xbe0 [ 5146.746407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5146.746407][ T10] ___sys_sendmsg+0xee/0x170 [ 5146.746407][ T10] __sys_sendmsg+0xcd/0x170 [ 5146.746407][ T10] do_syscall_64+0xc6/0x1e0 [ 5146.746407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5146.746407][ T10] [ 5146.748617][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5146.748617][ T10] netdev_get_by_index+0x5e/0x80 [ 5146.748617][ T10] fib6_nh_init+0x3d8/0x1580 [ 5146.748617][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5146.748617][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5146.748617][ T10] ipv6_add_addr+0x411/0x2000 [ 5146.748617][ T10] inet6_addr_add+0x30e/0xa40 [ 5146.748617][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5146.748617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5146.748617][ T10] netlink_rcv_skb+0x130/0x360 [ 5146.748617][ T10] netlink_unicast+0x449/0x710 [ 5146.748617][ T10] netlink_sendmsg+0x723/0xbe0 [ 5146.748617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5146.748617][ T10] ___sys_sendmsg+0xee/0x170 [ 5146.748617][ T10] __sys_sendmsg+0xcd/0x170 [ 5146.748617][ T10] do_syscall_64+0xc6/0x1e0 [ 5146.748617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5146.748617][ T10] [ 5146.750916][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5146.750916][ T10] netdev_get_by_index+0x5e/0x80 [ 5146.750916][ T10] fib6_nh_init+0x3d8/0x1580 [ 5146.750916][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5146.750916][ T10] ip6_route_add+0x1c/0x140 [ 5146.750916][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5146.750916][ T10] addrconf_add_dev+0xe2/0x170 [ 5146.750916][ T10] inet6_addr_add+0x12f/0xa40 [ 5146.750916][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5146.750916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5146.750916][ T10] netlink_rcv_skb+0x130/0x360 [ 5146.750916][ T10] netlink_unicast+0x449/0x710 [ 5146.750916][ T10] netlink_sendmsg+0x723/0xbe0 [ 5146.750916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5146.750916][ T10] ___sys_sendmsg+0xee/0x170 [ 5146.750916][ T10] __sys_sendmsg+0xcd/0x170 [ 5146.750916][ T10] do_syscall_64+0xc6/0x1e0 [ 5146.750916][ T10] [ 5146.753097][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5146.753097][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5146.753097][ T10] ipv6_find_idev+0x102/0x170 [ 5146.753097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5146.753097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5146.753097][ T10] netlink_rcv_skb+0x130/0x360 [ 5146.753097][ T10] netlink_unicast+0x449/0x710 [ 5146.753097][ T10] netlink_sendmsg+0x723/0xbe0 [ 5146.753097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5146.753097][ T10] ___sys_sendmsg+0xee/0x170 [ 5146.753097][ T10] __sys_sendmsg+0xcd/0x170 [ 5146.753097][ T10] do_syscall_64+0xc6/0x1e0 [ 5146.753097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5146.753097][ T10] [ 5146.754829][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5146.754829][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5146.754829][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5146.754829][ T10] ipv6_find_idev+0x102/0x170 [ 5146.754829][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5146.754829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5146.754829][ T10] netlink_rcv_skb+0x130/0x360 [ 5146.754829][ T10] netlink_unicast+0x449/0x710 [ 5146.754829][ T10] netlink_sendmsg+0x723/0xbe0 [ 5146.754829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5146.754829][ T10] ___sys_sendmsg+0xee/0x170 [ 5146.754829][ T10] __sys_sendmsg+0xcd/0x170 [ 5146.754829][ T10] do_syscall_64+0xc6/0x1e0 [ 5146.754829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5146.754829][ T10] [ 5146.756701][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5146.756937][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5146.756937][ T10] netdev_get_by_index+0x5e/0x80 [ 5146.756937][ T10] fib6_nh_init+0x3d8/0x1580 [ 5146.756937][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5146.756937][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5146.756937][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5146.756937][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5146.756937][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5146.756937][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5146.756937][ T10] addrconf_dad_begin+0x310/0x670 [ 5146.756937][ T10] addrconf_dad_work+0x10b/0xab0 [ 5146.756937][ T10] process_one_work+0x84d/0x18a0 [ 5146.756937][ T10] worker_thread+0x587/0xd30 [ 5146.756937][ T10] kthread+0x28a/0x350 [ 5146.756937][ T10] ret_from_fork+0x31/0x70 [ 5146.756937][ T10] ret_from_fork_asm+0x1a/0x30 [ 5146.756937][ T10] [ 5146.759668][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5146.759668][ T10] netdev_get_by_index+0x5e/0x80 [ 5146.759668][ T10] fib6_nh_init+0x3d8/0x1580 [ 5146.759668][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5146.759668][ T10] ip6_route_add+0x1c/0x140 [ 5146.759668][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5146.759668][ T10] inet6_addr_add+0x4f8/0xa40 [ 5146.759668][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5146.759668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5146.759668][ T10] netlink_rcv_skb+0x130/0x360 [ 5146.759668][ T10] netlink_unicast+0x449/0x710 [ 5146.759668][ T10] netlink_sendmsg+0x723/0xbe0 [ 5146.759668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5146.759668][ T10] ___sys_sendmsg+0xee/0x170 [ 5146.759668][ T10] __sys_sendmsg+0xcd/0x170 [ 5146.759668][ T10] do_syscall_64+0xc6/0x1e0 [ 5146.759668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5146.759668][ T10] [ 5146.761840][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5146.761840][ T10] netdev_get_by_index+0x5e/0x80 [ 5146.761840][ T10] fib6_nh_init+0x3d8/0x1580 [ 5146.761840][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5146.761840][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5146.761840][ T10] ipv6_add_addr+0x411/0x2000 [ 5146.761840][ T10] inet6_addr_add+0x30e/0xa40 [ 5146.761840][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5146.761840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5146.761840][ T10] netlink_rcv_skb+0x130/0x360 [ 5146.761840][ T10] netlink_unicast+0x449/0x710 [ 5146.761840][ T10] netlink_sendmsg+0x723/0xbe0 [ 5146.761840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5146.761840][ T10] ___sys_sendmsg+0xee/0x170 [ 5146.761840][ T10] __sys_sendmsg+0xcd/0x170 [ 5146.761840][ T10] do_syscall_64+0xc6/0x1e0 [ 5146.761840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5146.761840][ T10] [ 5146.764082][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5146.764082][ T10] netdev_get_by_index+0x5e/0x80 [ 5146.764082][ T10] fib6_nh_init+0x3d8/0x1580 [ 5146.764082][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5146.764082][ T10] ip6_route_add+0x1c/0x140 [ 5146.764082][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5146.764082][ T10] addrconf_add_dev+0xe2/0x170 [ 5146.764082][ T10] inet6_addr_add+0x12f/0xa40 [ 5146.764082][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5146.764082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5146.764082][ T10] netlink_rcv_skb+0x130/0x360 [ 5146.764082][ T10] netlink_unicast+0x449/0x710 [ 5146.764082][ T10] netlink_sendmsg+0x723/0xbe0 [ 5146.764082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5146.764082][ T10] ___sys_sendmsg+0xee/0x170 [ 5146.764082][ T10] __sys_sendmsg+0xcd/0x170 [ 5146.764082][ T10] do_syscall_64+0xc6/0x1e0 [ 5146.764082][ T10] [ 5146.766283][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5146.766283][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5146.766283][ T10] ipv6_find_idev+0x102/0x170 [ 5146.766283][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5146.766283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5146.766283][ T10] netlink_rcv_skb+0x130/0x360 [ 5146.766283][ T10] netlink_unicast+0x449/0x710 [ 5146.766283][ T10] netlink_sendmsg+0x723/0xbe0 [ 5146.766283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5146.766283][ T10] ___sys_sendmsg+0xee/0x170 [ 5146.766283][ T10] __sys_sendmsg+0xcd/0x170 [ 5146.766283][ T10] do_syscall_64+0xc6/0x1e0 [ 5146.766283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5146.766283][ T10] [ 5146.768008][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5146.768008][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5146.768008][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5146.768008][ T10] ipv6_find_idev+0x102/0x170 [ 5146.768008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5146.768008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5146.768008][ T10] netlink_rcv_skb+0x130/0x360 [ 5146.768008][ T10] netlink_unicast+0x449/0x710 [ 5146.768008][ T10] netlink_sendmsg+0x723/0xbe0 [ 5146.768008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5146.768008][ T10] ___sys_sendmsg+0xee/0x170 [ 5146.768008][ T10] __sys_sendmsg+0xcd/0x170 [ 5146.768008][ T10] do_syscall_64+0xc6/0x1e0 [ 5146.768008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5146.768008][ T10] [ 5149.793105][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5149.793594][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5149.793594][ T1167] dst_init+0x84/0x4a0 [ 5149.793594][ T1167] dst_alloc+0x97/0x150 [ 5149.793594][ T1167] ip6_dst_alloc+0x23/0x90 [ 5149.793594][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5149.793594][ T1167] ip6_pol_route+0x56f/0x840 [ 5149.793594][ T1167] fib6_rule_lookup+0x334/0x630 [ 5149.793594][ T1167] ip6_route_output_flags+0x259/0x480 [ 5149.793594][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5149.793594][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5149.793594][ T1167] netlink_rcv_skb+0x130/0x360 [ 5149.793594][ T1167] netlink_unicast+0x449/0x710 [ 5149.793594][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5149.793594][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5149.793594][ T1167] ___sys_sendmsg+0xee/0x170 [ 5149.793594][ T1167] __sys_sendmsg+0xcd/0x170 [ 5149.793594][ T1167] do_syscall_64+0xc6/0x1e0 [ 5149.793594][ T1167] [ 5149.795866][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5149.795866][ T1167] netdev_get_by_index+0x5e/0x80 [ 5149.795866][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5149.795866][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5149.795866][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5149.795866][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5149.795866][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5149.795866][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5149.795866][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5149.795866][ T1167] addrconf_dad_begin+0x310/0x670 [ 5149.795866][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5149.795866][ T1167] process_one_work+0x84d/0x18a0 [ 5149.795866][ T1167] worker_thread+0x587/0xd30 [ 5149.795866][ T1167] kthread+0x28a/0x350 [ 5149.795866][ T1167] ret_from_fork+0x31/0x70 [ 5149.795866][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5149.795866][ T1167] [ 5149.798053][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5149.798053][ T1167] netdev_get_by_index+0x5e/0x80 [ 5149.798053][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5149.798053][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5149.798053][ T1167] ip6_route_add+0x1c/0x140 [ 5149.798053][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5149.798053][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5149.798053][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5149.798053][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5149.798053][ T1167] netlink_rcv_skb+0x130/0x360 [ 5149.798053][ T1167] netlink_unicast+0x449/0x710 [ 5149.798053][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5149.798053][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5149.798053][ T1167] ___sys_sendmsg+0xee/0x170 [ 5149.798053][ T1167] __sys_sendmsg+0xcd/0x170 [ 5149.798053][ T1167] do_syscall_64+0xc6/0x1e0 [ 5149.798053][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5149.798053][ T1167] [ 5149.800342][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5149.800342][ T1167] netdev_get_by_index+0x5e/0x80 [ 5149.800342][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5149.800342][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5149.800342][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5149.800342][ T1167] ipv6_add_addr+0x411/0x2000 [ 5149.800342][ T1167] inet6_addr_add+0x30e/0xa40 [ 5149.800342][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5149.800342][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5149.800342][ T1167] netlink_rcv_skb+0x130/0x360 [ 5149.800342][ T1167] netlink_unicast+0x449/0x710 [ 5149.800342][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5149.800342][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5149.800342][ T1167] ___sys_sendmsg+0xee/0x170 [ 5149.800342][ T1167] __sys_sendmsg+0xcd/0x170 [ 5149.800342][ T1167] do_syscall_64+0xc6/0x1e0 [ 5149.800342][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5149.800342][ T1167] [ 5149.802619][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5149.802619][ T1167] netdev_get_by_index+0x5e/0x80 [ 5149.802619][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5149.802619][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5149.802619][ T1167] ip6_route_add+0x1c/0x140 [ 5149.802619][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5149.802619][ T1167] addrconf_add_dev+0xe2/0x170 [ 5149.802619][ T1167] inet6_addr_add+0x12f/0xa40 [ 5149.802619][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5149.802619][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5149.802619][ T1167] netlink_rcv_skb+0x130/0x360 [ 5149.802619][ T1167] netlink_unicast+0x449/0x710 [ 5149.802619][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5149.802619][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5149.802619][ T1167] ___sys_sendmsg+0xee/0x170 [ 5149.802619][ T1167] __sys_sendmsg+0xcd/0x170 [ 5149.802619][ T1167] do_syscall_64+0xc6/0x1e0 [ 5149.802619][ T1167] [ 5149.806756][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5149.806756][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5149.806756][ T1167] ipv6_find_idev+0x102/0x170 [ 5149.806756][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5149.806756][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5149.806756][ T1167] netlink_rcv_skb+0x130/0x360 [ 5149.806756][ T1167] netlink_unicast+0x449/0x710 [ 5149.806756][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5149.806756][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5149.806756][ T1167] ___sys_sendmsg+0xee/0x170 [ 5149.806756][ T1167] __sys_sendmsg+0xcd/0x170 [ 5149.806756][ T1167] do_syscall_64+0xc6/0x1e0 [ 5149.806756][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5149.806756][ T1167] [ 5149.808528][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5149.808528][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5149.808528][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5149.808528][ T1167] ipv6_find_idev+0x102/0x170 [ 5149.808528][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5149.808528][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5149.808528][ T1167] netlink_rcv_skb+0x130/0x360 [ 5149.808528][ T1167] netlink_unicast+0x449/0x710 [ 5149.808528][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5149.808528][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5149.808528][ T1167] ___sys_sendmsg+0xee/0x170 [ 5149.808528][ T1167] __sys_sendmsg+0xcd/0x170 [ 5149.808528][ T1167] do_syscall_64+0xc6/0x1e0 [ 5149.808528][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5149.808528][ T1167] [ 5157.009041][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5157.009441][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5157.009441][ T10] netdev_get_by_index+0x5e/0x80 [ 5157.009441][ T10] fib6_nh_init+0x3d8/0x1580 [ 5157.009441][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5157.009441][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5157.009441][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5157.009441][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5157.009441][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5157.009441][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5157.009441][ T10] addrconf_dad_begin+0x310/0x670 [ 5157.009441][ T10] addrconf_dad_work+0x10b/0xab0 [ 5157.009441][ T10] process_one_work+0x84d/0x18a0 [ 5157.009441][ T10] worker_thread+0x587/0xd30 [ 5157.009441][ T10] kthread+0x28a/0x350 [ 5157.009441][ T10] ret_from_fork+0x31/0x70 [ 5157.009441][ T10] ret_from_fork_asm+0x1a/0x30 [ 5157.009441][ T10] [ 5157.011364][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5157.011364][ T10] netdev_get_by_index+0x5e/0x80 [ 5157.011364][ T10] fib6_nh_init+0x3d8/0x1580 [ 5157.011364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5157.011364][ T10] ip6_route_add+0x1c/0x140 [ 5157.011364][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5157.011364][ T10] inet6_addr_add+0x4f8/0xa40 [ 5157.011364][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5157.011364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5157.011364][ T10] netlink_rcv_skb+0x130/0x360 [ 5157.011364][ T10] netlink_unicast+0x449/0x710 [ 5157.011364][ T10] netlink_sendmsg+0x723/0xbe0 [ 5157.011364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5157.011364][ T10] ___sys_sendmsg+0xee/0x170 [ 5157.011364][ T10] __sys_sendmsg+0xcd/0x170 [ 5157.011364][ T10] do_syscall_64+0xc6/0x1e0 [ 5157.011364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5157.011364][ T10] [ 5157.013391][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5157.013391][ T10] netdev_get_by_index+0x5e/0x80 [ 5157.013391][ T10] fib6_nh_init+0x3d8/0x1580 [ 5157.013391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5157.013391][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5157.013391][ T10] ipv6_add_addr+0x411/0x2000 [ 5157.013391][ T10] inet6_addr_add+0x30e/0xa40 [ 5157.013391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5157.013391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5157.013391][ T10] netlink_rcv_skb+0x130/0x360 [ 5157.013391][ T10] netlink_unicast+0x449/0x710 [ 5157.013391][ T10] netlink_sendmsg+0x723/0xbe0 [ 5157.013391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5157.013391][ T10] ___sys_sendmsg+0xee/0x170 [ 5157.013391][ T10] __sys_sendmsg+0xcd/0x170 [ 5157.013391][ T10] do_syscall_64+0xc6/0x1e0 [ 5157.013391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5157.013391][ T10] [ 5157.015387][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5157.015387][ T10] netdev_get_by_index+0x5e/0x80 [ 5157.015387][ T10] fib6_nh_init+0x3d8/0x1580 [ 5157.015387][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5157.015387][ T10] ip6_route_add+0x1c/0x140 [ 5157.015387][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5157.015387][ T10] addrconf_add_dev+0xe2/0x170 [ 5157.015387][ T10] inet6_addr_add+0x12f/0xa40 [ 5157.015387][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5157.015387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5157.015387][ T10] netlink_rcv_skb+0x130/0x360 [ 5157.015387][ T10] netlink_unicast+0x449/0x710 [ 5157.015387][ T10] netlink_sendmsg+0x723/0xbe0 [ 5157.015387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5157.015387][ T10] ___sys_sendmsg+0xee/0x170 [ 5157.015387][ T10] __sys_sendmsg+0xcd/0x170 [ 5157.015387][ T10] do_syscall_64+0xc6/0x1e0 [ 5157.015387][ T10] [ 5157.017357][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5157.017357][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5157.017357][ T10] ipv6_find_idev+0x102/0x170 [ 5157.017357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5157.017357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5157.017357][ T10] netlink_rcv_skb+0x130/0x360 [ 5157.017357][ T10] netlink_unicast+0x449/0x710 [ 5157.017357][ T10] netlink_sendmsg+0x723/0xbe0 [ 5157.017357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5157.017357][ T10] ___sys_sendmsg+0xee/0x170 [ 5157.017357][ T10] __sys_sendmsg+0xcd/0x170 [ 5157.017357][ T10] do_syscall_64+0xc6/0x1e0 [ 5157.017357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5157.017357][ T10] [ 5157.018906][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5157.018906][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5157.018906][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5157.018906][ T10] ipv6_find_idev+0x102/0x170 [ 5157.018906][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5157.018906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5157.018906][ T10] netlink_rcv_skb+0x130/0x360 [ 5157.018906][ T10] netlink_unicast+0x449/0x710 [ 5157.018906][ T10] netlink_sendmsg+0x723/0xbe0 [ 5157.018906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5157.018906][ T10] ___sys_sendmsg+0xee/0x170 [ 5157.018906][ T10] __sys_sendmsg+0xcd/0x170 [ 5157.018906][ T10] do_syscall_64+0xc6/0x1e0 [ 5157.018906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5157.018906][ T10] [ 5157.020593][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5157.020836][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5157.020836][ T10] netdev_get_by_index+0x5e/0x80 [ 5157.020836][ T10] fib6_nh_init+0x3d8/0x1580 [ 5157.020836][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5157.020836][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5157.020836][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5157.020836][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5157.020836][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5157.020836][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5157.020836][ T10] addrconf_dad_begin+0x310/0x670 [ 5157.020836][ T10] addrconf_dad_work+0x10b/0xab0 [ 5157.020836][ T10] process_one_work+0x84d/0x18a0 [ 5157.020836][ T10] worker_thread+0x587/0xd30 [ 5157.020836][ T10] kthread+0x28a/0x350 [ 5157.020836][ T10] ret_from_fork+0x31/0x70 [ 5157.020836][ T10] ret_from_fork_asm+0x1a/0x30 [ 5157.020836][ T10] [ 5157.022743][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5157.022743][ T10] netdev_get_by_index+0x5e/0x80 [ 5157.022743][ T10] fib6_nh_init+0x3d8/0x1580 [ 5157.022743][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5157.022743][ T10] ip6_route_add+0x1c/0x140 [ 5157.022743][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5157.022743][ T10] inet6_addr_add+0x4f8/0xa40 [ 5157.022743][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5157.022743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5157.022743][ T10] netlink_rcv_skb+0x130/0x360 [ 5157.022743][ T10] netlink_unicast+0x449/0x710 [ 5157.022743][ T10] netlink_sendmsg+0x723/0xbe0 [ 5157.022743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5157.022743][ T10] ___sys_sendmsg+0xee/0x170 [ 5157.022743][ T10] __sys_sendmsg+0xcd/0x170 [ 5157.022743][ T10] do_syscall_64+0xc6/0x1e0 [ 5157.022743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5157.022743][ T10] [ 5157.024735][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5157.024735][ T10] netdev_get_by_index+0x5e/0x80 [ 5157.024735][ T10] fib6_nh_init+0x3d8/0x1580 [ 5157.024735][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5157.024735][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5157.024735][ T10] ipv6_add_addr+0x411/0x2000 [ 5157.024735][ T10] inet6_addr_add+0x30e/0xa40 [ 5157.024735][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5157.024735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5157.024735][ T10] netlink_rcv_skb+0x130/0x360 [ 5157.024735][ T10] netlink_unicast+0x449/0x710 [ 5157.024735][ T10] netlink_sendmsg+0x723/0xbe0 [ 5157.024735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5157.024735][ T10] ___sys_sendmsg+0xee/0x170 [ 5157.024735][ T10] __sys_sendmsg+0xcd/0x170 [ 5157.024735][ T10] do_syscall_64+0xc6/0x1e0 [ 5157.024735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5157.024735][ T10] [ 5157.026726][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5157.026726][ T10] netdev_get_by_index+0x5e/0x80 [ 5157.026726][ T10] fib6_nh_init+0x3d8/0x1580 [ 5157.026726][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5157.026726][ T10] ip6_route_add+0x1c/0x140 [ 5157.026726][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5157.026726][ T10] addrconf_add_dev+0xe2/0x170 [ 5157.026726][ T10] inet6_addr_add+0x12f/0xa40 [ 5157.026726][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5157.026726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5157.026726][ T10] netlink_rcv_skb+0x130/0x360 [ 5157.026726][ T10] netlink_unicast+0x449/0x710 [ 5157.026726][ T10] netlink_sendmsg+0x723/0xbe0 [ 5157.026726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5157.026726][ T10] ___sys_sendmsg+0xee/0x170 [ 5157.026726][ T10] __sys_sendmsg+0xcd/0x170 [ 5157.026726][ T10] do_syscall_64+0xc6/0x1e0 [ 5157.026726][ T10] [ 5157.028671][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5157.028671][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5157.028671][ T10] ipv6_find_idev+0x102/0x170 [ 5157.028671][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5157.028671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5157.028671][ T10] netlink_rcv_skb+0x130/0x360 [ 5157.028671][ T10] netlink_unicast+0x449/0x710 [ 5157.028671][ T10] netlink_sendmsg+0x723/0xbe0 [ 5157.028671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5157.028671][ T10] ___sys_sendmsg+0xee/0x170 [ 5157.028671][ T10] __sys_sendmsg+0xcd/0x170 [ 5157.028671][ T10] do_syscall_64+0xc6/0x1e0 [ 5157.028671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5157.028671][ T10] [ 5157.030203][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5157.030203][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5157.030203][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5157.030203][ T10] ipv6_find_idev+0x102/0x170 [ 5157.030203][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5157.030203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5157.030203][ T10] netlink_rcv_skb+0x130/0x360 [ 5157.030203][ T10] netlink_unicast+0x449/0x710 [ 5157.030203][ T10] netlink_sendmsg+0x723/0xbe0 [ 5157.030203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5157.030203][ T10] ___sys_sendmsg+0xee/0x170 [ 5157.030203][ T10] __sys_sendmsg+0xcd/0x170 [ 5157.030203][ T10] do_syscall_64+0xc6/0x1e0 [ 5157.030203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5157.030203][ T10] [ 5157.031880][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5157.032141][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5157.032141][ T10] netdev_get_by_index+0x5e/0x80 [ 5157.032141][ T10] fib6_nh_init+0x3d8/0x1580 [ 5157.032141][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5157.032141][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5157.032141][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5157.032141][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5157.032141][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5157.032141][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5157.032141][ T10] addrconf_dad_begin+0x310/0x670 [ 5157.032141][ T10] addrconf_dad_work+0x10b/0xab0 [ 5157.032141][ T10] process_one_work+0x84d/0x18a0 [ 5157.032141][ T10] worker_thread+0x587/0xd30 [ 5157.032141][ T10] kthread+0x28a/0x350 [ 5157.032141][ T10] ret_from_fork+0x31/0x70 [ 5157.032141][ T10] ret_from_fork_asm+0x1a/0x30 [ 5157.032141][ T10] [ 5157.034065][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5157.034065][ T10] netdev_get_by_index+0x5e/0x80 [ 5157.034065][ T10] fib6_nh_init+0x3d8/0x1580 [ 5157.034065][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5157.034065][ T10] ip6_route_add+0x1c/0x140 [ 5157.034065][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5157.034065][ T10] inet6_addr_add+0x4f8/0xa40 [ 5157.034065][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5157.034065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5157.034065][ T10] netlink_rcv_skb+0x130/0x360 [ 5157.034065][ T10] netlink_unicast+0x449/0x710 [ 5157.034065][ T10] netlink_sendmsg+0x723/0xbe0 [ 5157.034065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5157.034065][ T10] ___sys_sendmsg+0xee/0x170 [ 5157.034065][ T10] __sys_sendmsg+0xcd/0x170 [ 5157.034065][ T10] do_syscall_64+0xc6/0x1e0 [ 5157.034065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5157.034065][ T10] [ 5157.036185][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5157.036185][ T10] netdev_get_by_index+0x5e/0x80 [ 5157.036185][ T10] fib6_nh_init+0x3d8/0x1580 [ 5157.036185][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5157.036185][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5157.036185][ T10] ipv6_add_addr+0x411/0x2000 [ 5157.036185][ T10] inet6_addr_add+0x30e/0xa40 [ 5157.036185][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5157.036185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5157.036185][ T10] netlink_rcv_skb+0x130/0x360 [ 5157.036185][ T10] netlink_unicast+0x449/0x710 [ 5157.036185][ T10] netlink_sendmsg+0x723/0xbe0 [ 5157.036185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5157.036185][ T10] ___sys_sendmsg+0xee/0x170 [ 5157.036185][ T10] __sys_sendmsg+0xcd/0x170 [ 5157.036185][ T10] do_syscall_64+0xc6/0x1e0 [ 5157.036185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5157.036185][ T10] [ 5157.038456][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5157.038456][ T10] netdev_get_by_index+0x5e/0x80 [ 5157.038456][ T10] fib6_nh_init+0x3d8/0x1580 [ 5157.038456][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5157.038456][ T10] ip6_route_add+0x1c/0x140 [ 5157.038456][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5157.038456][ T10] addrconf_add_dev+0xe2/0x170 [ 5157.038456][ T10] inet6_addr_add+0x12f/0xa40 [ 5157.038456][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5157.038456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5157.038456][ T10] netlink_rcv_skb+0x130/0x360 [ 5157.038456][ T10] netlink_unicast+0x449/0x710 [ 5157.038456][ T10] netlink_sendmsg+0x723/0xbe0 [ 5157.038456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5157.038456][ T10] ___sys_sendmsg+0xee/0x170 [ 5157.038456][ T10] __sys_sendmsg+0xcd/0x170 [ 5157.038456][ T10] do_syscall_64+0xc6/0x1e0 [ 5157.038456][ T10] [ 5157.040569][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5157.040569][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5157.040569][ T10] ipv6_find_idev+0x102/0x170 [ 5157.040569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5157.040569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5157.040569][ T10] netlink_rcv_skb+0x130/0x360 [ 5157.040569][ T10] netlink_unicast+0x449/0x710 [ 5157.040569][ T10] netlink_sendmsg+0x723/0xbe0 [ 5157.040569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5157.040569][ T10] ___sys_sendmsg+0xee/0x170 [ 5157.040569][ T10] __sys_sendmsg+0xcd/0x170 [ 5157.040569][ T10] do_syscall_64+0xc6/0x1e0 [ 5157.040569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5157.040569][ T10] [ 5157.042155][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5157.042155][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5157.042155][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5157.042155][ T10] ipv6_find_idev+0x102/0x170 [ 5157.042155][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5157.042155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5157.042155][ T10] netlink_rcv_skb+0x130/0x360 [ 5157.042155][ T10] netlink_unicast+0x449/0x710 [ 5157.042155][ T10] netlink_sendmsg+0x723/0xbe0 [ 5157.042155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5157.042155][ T10] ___sys_sendmsg+0xee/0x170 [ 5157.042155][ T10] __sys_sendmsg+0xcd/0x170 [ 5157.042155][ T10] do_syscall_64+0xc6/0x1e0 [ 5157.042155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5157.042155][ T10] [ 5157.043956][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5157.044632][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5157.044632][ T10] netdev_get_by_index+0x5e/0x80 [ 5157.044632][ T10] fib6_nh_init+0x3d8/0x1580 [ 5157.044632][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5157.044632][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5157.044632][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5157.044632][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5157.044632][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5157.044632][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5157.044632][ T10] addrconf_dad_begin+0x310/0x670 [ 5157.044632][ T10] addrconf_dad_work+0x10b/0xab0 [ 5157.044632][ T10] process_one_work+0x84d/0x18a0 [ 5157.044632][ T10] worker_thread+0x587/0xd30 [ 5157.044632][ T10] kthread+0x28a/0x350 [ 5157.044632][ T10] ret_from_fork+0x31/0x70 [ 5157.044632][ T10] ret_from_fork_asm+0x1a/0x30 [ 5157.044632][ T10] [ 5157.046520][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5157.046520][ T10] netdev_get_by_index+0x5e/0x80 [ 5157.046520][ T10] fib6_nh_init+0x3d8/0x1580 [ 5157.046520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5157.046520][ T10] ip6_route_add+0x1c/0x140 [ 5157.046520][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5157.046520][ T10] inet6_addr_add+0x4f8/0xa40 [ 5157.046520][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5157.046520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5157.046520][ T10] netlink_rcv_skb+0x130/0x360 [ 5157.046520][ T10] netlink_unicast+0x449/0x710 [ 5157.046520][ T10] netlink_sendmsg+0x723/0xbe0 [ 5157.046520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5157.046520][ T10] ___sys_sendmsg+0xee/0x170 [ 5157.046520][ T10] __sys_sendmsg+0xcd/0x170 [ 5157.046520][ T10] do_syscall_64+0xc6/0x1e0 [ 5157.046520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5157.046520][ T10] [ 5157.048548][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5157.048548][ T10] netdev_get_by_index+0x5e/0x80 [ 5157.048548][ T10] fib6_nh_init+0x3d8/0x1580 [ 5157.048548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5157.048548][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5157.048548][ T10] ipv6_add_addr+0x411/0x2000 [ 5157.048548][ T10] inet6_addr_add+0x30e/0xa40 [ 5157.048548][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5157.048548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5157.048548][ T10] netlink_rcv_skb+0x130/0x360 [ 5157.048548][ T10] netlink_unicast+0x449/0x710 [ 5157.048548][ T10] netlink_sendmsg+0x723/0xbe0 [ 5157.048548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5157.048548][ T10] ___sys_sendmsg+0xee/0x170 [ 5157.048548][ T10] __sys_sendmsg+0xcd/0x170 [ 5157.048548][ T10] do_syscall_64+0xc6/0x1e0 [ 5157.048548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5157.048548][ T10] [ 5157.050639][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5157.050639][ T10] netdev_get_by_index+0x5e/0x80 [ 5157.050639][ T10] fib6_nh_init+0x3d8/0x1580 [ 5157.050639][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5157.050639][ T10] ip6_route_add+0x1c/0x140 [ 5157.050639][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5157.050639][ T10] addrconf_add_dev+0xe2/0x170 [ 5157.050639][ T10] inet6_addr_add+0x12f/0xa40 [ 5157.050639][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5157.050639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5157.050639][ T10] netlink_rcv_skb+0x130/0x360 [ 5157.050639][ T10] netlink_unicast+0x449/0x710 [ 5157.050639][ T10] netlink_sendmsg+0x723/0xbe0 [ 5157.050639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5157.050639][ T10] ___sys_sendmsg+0xee/0x170 [ 5157.050639][ T10] __sys_sendmsg+0xcd/0x170 [ 5157.050639][ T10] do_syscall_64+0xc6/0x1e0 [ 5157.050639][ T10] [ 5157.052699][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5157.052699][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5157.052699][ T10] ipv6_find_idev+0x102/0x170 [ 5157.052699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5157.052699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5157.052699][ T10] netlink_rcv_skb+0x130/0x360 [ 5157.052699][ T10] netlink_unicast+0x449/0x710 [ 5157.052699][ T10] netlink_sendmsg+0x723/0xbe0 [ 5157.052699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5157.052699][ T10] ___sys_sendmsg+0xee/0x170 [ 5157.052699][ T10] __sys_sendmsg+0xcd/0x170 [ 5157.052699][ T10] do_syscall_64+0xc6/0x1e0 [ 5157.052699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5157.052699][ T10] [ 5157.054281][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5157.054281][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5157.054281][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5157.054281][ T10] ipv6_find_idev+0x102/0x170 [ 5157.054281][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5157.054281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5157.054281][ T10] netlink_rcv_skb+0x130/0x360 [ 5157.054281][ T10] netlink_unicast+0x449/0x710 [ 5157.054281][ T10] netlink_sendmsg+0x723/0xbe0 [ 5157.054281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5157.054281][ T10] ___sys_sendmsg+0xee/0x170 [ 5157.054281][ T10] __sys_sendmsg+0xcd/0x170 [ 5157.054281][ T10] do_syscall_64+0xc6/0x1e0 [ 5157.054281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5157.054281][ T10] [ 5160.049107][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5160.049595][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5160.049595][ T1167] dst_init+0x84/0x4a0 [ 5160.049595][ T1167] dst_alloc+0x97/0x150 [ 5160.049595][ T1167] ip6_dst_alloc+0x23/0x90 [ 5160.049595][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5160.049595][ T1167] ip6_pol_route+0x56f/0x840 [ 5160.049595][ T1167] fib6_rule_lookup+0x334/0x630 [ 5160.049595][ T1167] ip6_route_output_flags+0x259/0x480 [ 5160.049595][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5160.049595][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5160.049595][ T1167] netlink_rcv_skb+0x130/0x360 [ 5160.049595][ T1167] netlink_unicast+0x449/0x710 [ 5160.049595][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5160.049595][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5160.049595][ T1167] ___sys_sendmsg+0xee/0x170 [ 5160.049595][ T1167] __sys_sendmsg+0xcd/0x170 [ 5160.049595][ T1167] do_syscall_64+0xc6/0x1e0 [ 5160.049595][ T1167] [ 5160.051874][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5160.051874][ T1167] netdev_get_by_index+0x5e/0x80 [ 5160.051874][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5160.051874][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5160.051874][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5160.051874][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5160.051874][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5160.051874][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5160.051874][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5160.051874][ T1167] addrconf_dad_begin+0x310/0x670 [ 5160.051874][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5160.051874][ T1167] process_one_work+0x84d/0x18a0 [ 5160.051874][ T1167] worker_thread+0x587/0xd30 [ 5160.051874][ T1167] kthread+0x28a/0x350 [ 5160.051874][ T1167] ret_from_fork+0x31/0x70 [ 5160.051874][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5160.051874][ T1167] [ 5160.054059][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5160.054059][ T1167] netdev_get_by_index+0x5e/0x80 [ 5160.054059][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5160.054059][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5160.054059][ T1167] ip6_route_add+0x1c/0x140 [ 5160.054059][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5160.054059][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5160.054059][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5160.054059][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5160.054059][ T1167] netlink_rcv_skb+0x130/0x360 [ 5160.054059][ T1167] netlink_unicast+0x449/0x710 [ 5160.054059][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5160.054059][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5160.054059][ T1167] ___sys_sendmsg+0xee/0x170 [ 5160.054059][ T1167] __sys_sendmsg+0xcd/0x170 [ 5160.054059][ T1167] do_syscall_64+0xc6/0x1e0 [ 5160.054059][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5160.054059][ T1167] [ 5160.056359][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5160.056359][ T1167] netdev_get_by_index+0x5e/0x80 [ 5160.056359][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5160.056359][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5160.056359][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5160.056359][ T1167] ipv6_add_addr+0x411/0x2000 [ 5160.056359][ T1167] inet6_addr_add+0x30e/0xa40 [ 5160.056359][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5160.056359][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5160.056359][ T1167] netlink_rcv_skb+0x130/0x360 [ 5160.056359][ T1167] netlink_unicast+0x449/0x710 [ 5160.056359][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5160.056359][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5160.056359][ T1167] ___sys_sendmsg+0xee/0x170 [ 5160.056359][ T1167] __sys_sendmsg+0xcd/0x170 [ 5160.056359][ T1167] do_syscall_64+0xc6/0x1e0 [ 5160.056359][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5160.056359][ T1167] [ 5160.058641][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5160.058641][ T1167] netdev_get_by_index+0x5e/0x80 [ 5160.058641][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5160.058641][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5160.058641][ T1167] ip6_route_add+0x1c/0x140 [ 5160.058641][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5160.058641][ T1167] addrconf_add_dev+0xe2/0x170 [ 5160.058641][ T1167] inet6_addr_add+0x12f/0xa40 [ 5160.058641][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5160.058641][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5160.058641][ T1167] netlink_rcv_skb+0x130/0x360 [ 5160.058641][ T1167] netlink_unicast+0x449/0x710 [ 5160.058641][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5160.058641][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5160.058641][ T1167] ___sys_sendmsg+0xee/0x170 [ 5160.058641][ T1167] __sys_sendmsg+0xcd/0x170 [ 5160.058641][ T1167] do_syscall_64+0xc6/0x1e0 [ 5160.058641][ T1167] [ 5160.060886][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5160.060886][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5160.060886][ T1167] ipv6_find_idev+0x102/0x170 [ 5160.060886][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5160.060886][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5160.060886][ T1167] netlink_rcv_skb+0x130/0x360 [ 5160.060886][ T1167] netlink_unicast+0x449/0x710 [ 5160.060886][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5160.060886][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5160.060886][ T1167] ___sys_sendmsg+0xee/0x170 [ 5160.060886][ T1167] __sys_sendmsg+0xcd/0x170 [ 5160.060886][ T1167] do_syscall_64+0xc6/0x1e0 [ 5160.060886][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5160.060886][ T1167] [ 5160.062643][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5160.062643][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5160.062643][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5160.062643][ T1167] ipv6_find_idev+0x102/0x170 [ 5160.062643][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5160.062643][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5160.062643][ T1167] netlink_rcv_skb+0x130/0x360 [ 5160.062643][ T1167] netlink_unicast+0x449/0x710 [ 5160.062643][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5160.062643][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5160.062643][ T1167] ___sys_sendmsg+0xee/0x170 [ 5160.062643][ T1167] __sys_sendmsg+0xcd/0x170 [ 5160.062643][ T1167] do_syscall_64+0xc6/0x1e0 [ 5160.062643][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5160.062643][ T1167] [ 5167.297119][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5167.297623][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5167.297623][ T10] netdev_get_by_index+0x5e/0x80 [ 5167.297623][ T10] fib6_nh_init+0x3d8/0x1580 [ 5167.297623][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5167.297623][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5167.297623][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5167.297623][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5167.297623][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5167.297623][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5167.297623][ T10] addrconf_dad_begin+0x310/0x670 [ 5167.297623][ T10] addrconf_dad_work+0x10b/0xab0 [ 5167.297623][ T10] process_one_work+0x84d/0x18a0 [ 5167.297623][ T10] worker_thread+0x587/0xd30 [ 5167.297623][ T10] kthread+0x28a/0x350 [ 5167.297623][ T10] ret_from_fork+0x31/0x70 [ 5167.297623][ T10] ret_from_fork_asm+0x1a/0x30 [ 5167.297623][ T10] [ 5167.299809][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5167.299809][ T10] netdev_get_by_index+0x5e/0x80 [ 5167.299809][ T10] fib6_nh_init+0x3d8/0x1580 [ 5167.299809][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5167.299809][ T10] ip6_route_add+0x1c/0x140 [ 5167.299809][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5167.299809][ T10] inet6_addr_add+0x4f8/0xa40 [ 5167.299809][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5167.299809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5167.299809][ T10] netlink_rcv_skb+0x130/0x360 [ 5167.299809][ T10] netlink_unicast+0x449/0x710 [ 5167.299809][ T10] netlink_sendmsg+0x723/0xbe0 [ 5167.299809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5167.299809][ T10] ___sys_sendmsg+0xee/0x170 [ 5167.299809][ T10] __sys_sendmsg+0xcd/0x170 [ 5167.299809][ T10] do_syscall_64+0xc6/0x1e0 [ 5167.299809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5167.299809][ T10] [ 5167.302081][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5167.302081][ T10] netdev_get_by_index+0x5e/0x80 [ 5167.302081][ T10] fib6_nh_init+0x3d8/0x1580 [ 5167.302081][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5167.302081][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5167.302081][ T10] ipv6_add_addr+0x411/0x2000 [ 5167.302081][ T10] inet6_addr_add+0x30e/0xa40 [ 5167.302081][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5167.302081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5167.302081][ T10] netlink_rcv_skb+0x130/0x360 [ 5167.302081][ T10] netlink_unicast+0x449/0x710 [ 5167.302081][ T10] netlink_sendmsg+0x723/0xbe0 [ 5167.302081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5167.302081][ T10] ___sys_sendmsg+0xee/0x170 [ 5167.302081][ T10] __sys_sendmsg+0xcd/0x170 [ 5167.302081][ T10] do_syscall_64+0xc6/0x1e0 [ 5167.302081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5167.302081][ T10] [ 5167.304403][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5167.304403][ T10] netdev_get_by_index+0x5e/0x80 [ 5167.304403][ T10] fib6_nh_init+0x3d8/0x1580 [ 5167.304403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5167.304403][ T10] ip6_route_add+0x1c/0x140 [ 5167.304403][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5167.304403][ T10] addrconf_add_dev+0xe2/0x170 [ 5167.304403][ T10] inet6_addr_add+0x12f/0xa40 [ 5167.304403][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5167.304403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5167.304403][ T10] netlink_rcv_skb+0x130/0x360 [ 5167.304403][ T10] netlink_unicast+0x449/0x710 [ 5167.304403][ T10] netlink_sendmsg+0x723/0xbe0 [ 5167.304403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5167.304403][ T10] ___sys_sendmsg+0xee/0x170 [ 5167.304403][ T10] __sys_sendmsg+0xcd/0x170 [ 5167.304403][ T10] do_syscall_64+0xc6/0x1e0 [ 5167.304403][ T10] [ 5167.306632][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5167.306632][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5167.306632][ T10] ipv6_find_idev+0x102/0x170 [ 5167.306632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5167.306632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5167.306632][ T10] netlink_rcv_skb+0x130/0x360 [ 5167.306632][ T10] netlink_unicast+0x449/0x710 [ 5167.306632][ T10] netlink_sendmsg+0x723/0xbe0 [ 5167.306632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5167.306632][ T10] ___sys_sendmsg+0xee/0x170 [ 5167.306632][ T10] __sys_sendmsg+0xcd/0x170 [ 5167.306632][ T10] do_syscall_64+0xc6/0x1e0 [ 5167.306632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5167.306632][ T10] [ 5167.308385][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5167.308385][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5167.308385][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5167.308385][ T10] ipv6_find_idev+0x102/0x170 [ 5167.308385][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5167.308385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5167.308385][ T10] netlink_rcv_skb+0x130/0x360 [ 5167.308385][ T10] netlink_unicast+0x449/0x710 [ 5167.308385][ T10] netlink_sendmsg+0x723/0xbe0 [ 5167.308385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5167.308385][ T10] ___sys_sendmsg+0xee/0x170 [ 5167.308385][ T10] __sys_sendmsg+0xcd/0x170 [ 5167.308385][ T10] do_syscall_64+0xc6/0x1e0 [ 5167.308385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5167.308385][ T10] [ 5167.310273][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5167.310572][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5167.310572][ T10] netdev_get_by_index+0x5e/0x80 [ 5167.310572][ T10] fib6_nh_init+0x3d8/0x1580 [ 5167.310572][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5167.310572][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5167.310572][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5167.310572][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5167.310572][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5167.310572][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5167.310572][ T10] addrconf_dad_begin+0x310/0x670 [ 5167.310572][ T10] addrconf_dad_work+0x10b/0xab0 [ 5167.310572][ T10] process_one_work+0x84d/0x18a0 [ 5167.310572][ T10] worker_thread+0x587/0xd30 [ 5167.310572][ T10] kthread+0x28a/0x350 [ 5167.310572][ T10] ret_from_fork+0x31/0x70 [ 5167.310572][ T10] ret_from_fork_asm+0x1a/0x30 [ 5167.310572][ T10] [ 5167.312713][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5167.312713][ T10] netdev_get_by_index+0x5e/0x80 [ 5167.312713][ T10] fib6_nh_init+0x3d8/0x1580 [ 5167.312713][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5167.312713][ T10] ip6_route_add+0x1c/0x140 [ 5167.312713][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5167.312713][ T10] inet6_addr_add+0x4f8/0xa40 [ 5167.312713][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5167.312713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5167.312713][ T10] netlink_rcv_skb+0x130/0x360 [ 5167.312713][ T10] netlink_unicast+0x449/0x710 [ 5167.312713][ T10] netlink_sendmsg+0x723/0xbe0 [ 5167.312713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5167.312713][ T10] ___sys_sendmsg+0xee/0x170 [ 5167.312713][ T10] __sys_sendmsg+0xcd/0x170 [ 5167.312713][ T10] do_syscall_64+0xc6/0x1e0 [ 5167.312713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5167.312713][ T10] [ 5167.314959][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5167.314959][ T10] netdev_get_by_index+0x5e/0x80 [ 5167.314959][ T10] fib6_nh_init+0x3d8/0x1580 [ 5167.314959][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5167.314959][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5167.314959][ T10] ipv6_add_addr+0x411/0x2000 [ 5167.314959][ T10] inet6_addr_add+0x30e/0xa40 [ 5167.314959][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5167.314959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5167.314959][ T10] netlink_rcv_skb+0x130/0x360 [ 5167.314959][ T10] netlink_unicast+0x449/0x710 [ 5167.314959][ T10] netlink_sendmsg+0x723/0xbe0 [ 5167.314959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5167.314959][ T10] ___sys_sendmsg+0xee/0x170 [ 5167.314959][ T10] __sys_sendmsg+0xcd/0x170 [ 5167.314959][ T10] do_syscall_64+0xc6/0x1e0 [ 5167.314959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5167.314959][ T10] [ 5167.317218][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5167.317218][ T10] netdev_get_by_index+0x5e/0x80 [ 5167.317218][ T10] fib6_nh_init+0x3d8/0x1580 [ 5167.317218][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5167.317218][ T10] ip6_route_add+0x1c/0x140 [ 5167.317218][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5167.317218][ T10] addrconf_add_dev+0xe2/0x170 [ 5167.317218][ T10] inet6_addr_add+0x12f/0xa40 [ 5167.317218][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5167.317218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5167.317218][ T10] netlink_rcv_skb+0x130/0x360 [ 5167.317218][ T10] netlink_unicast+0x449/0x710 [ 5167.317218][ T10] netlink_sendmsg+0x723/0xbe0 [ 5167.317218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5167.317218][ T10] ___sys_sendmsg+0xee/0x170 [ 5167.317218][ T10] __sys_sendmsg+0xcd/0x170 [ 5167.317218][ T10] do_syscall_64+0xc6/0x1e0 [ 5167.317218][ T10] [ 5167.319408][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5167.319408][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5167.319408][ T10] ipv6_find_idev+0x102/0x170 [ 5167.319408][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5167.319408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5167.319408][ T10] netlink_rcv_skb+0x130/0x360 [ 5167.319408][ T10] netlink_unicast+0x449/0x710 [ 5167.319408][ T10] netlink_sendmsg+0x723/0xbe0 [ 5167.319408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5167.319408][ T10] ___sys_sendmsg+0xee/0x170 [ 5167.319408][ T10] __sys_sendmsg+0xcd/0x170 [ 5167.319408][ T10] do_syscall_64+0xc6/0x1e0 [ 5167.319408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5167.319408][ T10] [ 5167.321136][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5167.321136][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5167.321136][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5167.321136][ T10] ipv6_find_idev+0x102/0x170 [ 5167.321136][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5167.321136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5167.321136][ T10] netlink_rcv_skb+0x130/0x360 [ 5167.321136][ T10] netlink_unicast+0x449/0x710 [ 5167.321136][ T10] netlink_sendmsg+0x723/0xbe0 [ 5167.321136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5167.321136][ T10] ___sys_sendmsg+0xee/0x170 [ 5167.321136][ T10] __sys_sendmsg+0xcd/0x170 [ 5167.321136][ T10] do_syscall_64+0xc6/0x1e0 [ 5167.321136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5167.321136][ T10] [ 5167.323022][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5167.323278][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5167.323278][ T10] netdev_get_by_index+0x5e/0x80 [ 5167.323278][ T10] fib6_nh_init+0x3d8/0x1580 [ 5167.323278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5167.323278][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5167.323278][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5167.323278][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5167.323278][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5167.323278][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5167.323278][ T10] addrconf_dad_begin+0x310/0x670 [ 5167.323278][ T10] addrconf_dad_work+0x10b/0xab0 [ 5167.323278][ T10] process_one_work+0x84d/0x18a0 [ 5167.323278][ T10] worker_thread+0x587/0xd30 [ 5167.323278][ T10] kthread+0x28a/0x350 [ 5167.323278][ T10] ret_from_fork+0x31/0x70 [ 5167.323278][ T10] ret_from_fork_asm+0x1a/0x30 [ 5167.323278][ T10] [ 5167.325428][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5167.325428][ T10] netdev_get_by_index+0x5e/0x80 [ 5167.325428][ T10] fib6_nh_init+0x3d8/0x1580 [ 5167.325428][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5167.325428][ T10] ip6_route_add+0x1c/0x140 [ 5167.325428][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5167.325428][ T10] inet6_addr_add+0x4f8/0xa40 [ 5167.325428][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5167.325428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5167.325428][ T10] netlink_rcv_skb+0x130/0x360 [ 5167.325428][ T10] netlink_unicast+0x449/0x710 [ 5167.325428][ T10] netlink_sendmsg+0x723/0xbe0 [ 5167.325428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5167.325428][ T10] ___sys_sendmsg+0xee/0x170 [ 5167.325428][ T10] __sys_sendmsg+0xcd/0x170 [ 5167.325428][ T10] do_syscall_64+0xc6/0x1e0 [ 5167.325428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5167.325428][ T10] [ 5167.327835][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5167.327835][ T10] netdev_get_by_index+0x5e/0x80 [ 5167.327835][ T10] fib6_nh_init+0x3d8/0x1580 [ 5167.327835][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5167.327835][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5167.327835][ T10] ipv6_add_addr+0x411/0x2000 [ 5167.327835][ T10] inet6_addr_add+0x30e/0xa40 [ 5167.327835][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5167.327835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5167.327835][ T10] netlink_rcv_skb+0x130/0x360 [ 5167.327835][ T10] netlink_unicast+0x449/0x710 [ 5167.327835][ T10] netlink_sendmsg+0x723/0xbe0 [ 5167.327835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5167.327835][ T10] ___sys_sendmsg+0xee/0x170 [ 5167.327835][ T10] __sys_sendmsg+0xcd/0x170 [ 5167.327835][ T10] do_syscall_64+0xc6/0x1e0 [ 5167.327835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5167.327835][ T10] [ 5167.330388][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5167.330388][ T10] netdev_get_by_index+0x5e/0x80 [ 5167.330388][ T10] fib6_nh_init+0x3d8/0x1580 [ 5167.330388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5167.330388][ T10] ip6_route_add+0x1c/0x140 [ 5167.330388][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5167.330388][ T10] addrconf_add_dev+0xe2/0x170 [ 5167.330388][ T10] inet6_addr_add+0x12f/0xa40 [ 5167.330388][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5167.330388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5167.330388][ T10] netlink_rcv_skb+0x130/0x360 [ 5167.330388][ T10] netlink_unicast+0x449/0x710 [ 5167.330388][ T10] netlink_sendmsg+0x723/0xbe0 [ 5167.330388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5167.330388][ T10] ___sys_sendmsg+0xee/0x170 [ 5167.330388][ T10] __sys_sendmsg+0xcd/0x170 [ 5167.330388][ T10] do_syscall_64+0xc6/0x1e0 [ 5167.330388][ T10] [ 5167.332771][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5167.332771][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5167.332771][ T10] ipv6_find_idev+0x102/0x170 [ 5167.332771][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5167.332771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5167.332771][ T10] netlink_rcv_skb+0x130/0x360 [ 5167.332771][ T10] netlink_unicast+0x449/0x710 [ 5167.332771][ T10] netlink_sendmsg+0x723/0xbe0 [ 5167.332771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5167.332771][ T10] ___sys_sendmsg+0xee/0x170 [ 5167.332771][ T10] __sys_sendmsg+0xcd/0x170 [ 5167.332771][ T10] do_syscall_64+0xc6/0x1e0 [ 5167.332771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5167.332771][ T10] [ 5167.334690][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5167.334690][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5167.334690][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5167.334690][ T10] ipv6_find_idev+0x102/0x170 [ 5167.334690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5167.334690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5167.334690][ T10] netlink_rcv_skb+0x130/0x360 [ 5167.334690][ T10] netlink_unicast+0x449/0x710 [ 5167.334690][ T10] netlink_sendmsg+0x723/0xbe0 [ 5167.334690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5167.334690][ T10] ___sys_sendmsg+0xee/0x170 [ 5167.334690][ T10] __sys_sendmsg+0xcd/0x170 [ 5167.334690][ T10] do_syscall_64+0xc6/0x1e0 [ 5167.334690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5167.334690][ T10] [ 5167.336819][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5167.337115][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5167.337115][ T10] netdev_get_by_index+0x5e/0x80 [ 5167.337115][ T10] fib6_nh_init+0x3d8/0x1580 [ 5167.337115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5167.337115][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5167.337115][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5167.337115][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5167.337115][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5167.337115][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5167.337115][ T10] addrconf_dad_begin+0x310/0x670 [ 5167.337115][ T10] addrconf_dad_work+0x10b/0xab0 [ 5167.337115][ T10] process_one_work+0x84d/0x18a0 [ 5167.337115][ T10] worker_thread+0x587/0xd30 [ 5167.337115][ T10] kthread+0x28a/0x350 [ 5167.337115][ T10] ret_from_fork+0x31/0x70 [ 5167.337115][ T10] ret_from_fork_asm+0x1a/0x30 [ 5167.337115][ T10] [ 5167.339566][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5167.339566][ T10] netdev_get_by_index+0x5e/0x80 [ 5167.339566][ T10] fib6_nh_init+0x3d8/0x1580 [ 5167.339566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5167.339566][ T10] ip6_route_add+0x1c/0x140 [ 5167.339566][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5167.339566][ T10] inet6_addr_add+0x4f8/0xa40 [ 5167.339566][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5167.339566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5167.339566][ T10] netlink_rcv_skb+0x130/0x360 [ 5167.339566][ T10] netlink_unicast+0x449/0x710 [ 5167.339566][ T10] netlink_sendmsg+0x723/0xbe0 [ 5167.339566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5167.339566][ T10] ___sys_sendmsg+0xee/0x170 [ 5167.339566][ T10] __sys_sendmsg+0xcd/0x170 [ 5167.339566][ T10] do_syscall_64+0xc6/0x1e0 [ 5167.339566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5167.339566][ T10] [ 5167.342052][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5167.342052][ T10] netdev_get_by_index+0x5e/0x80 [ 5167.342052][ T10] fib6_nh_init+0x3d8/0x1580 [ 5167.342052][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5167.342052][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5167.342052][ T10] ipv6_add_addr+0x411/0x2000 [ 5167.342052][ T10] inet6_addr_add+0x30e/0xa40 [ 5167.342052][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5167.342052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5167.342052][ T10] netlink_rcv_skb+0x130/0x360 [ 5167.342052][ T10] netlink_unicast+0x449/0x710 [ 5167.342052][ T10] netlink_sendmsg+0x723/0xbe0 [ 5167.342052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5167.342052][ T10] ___sys_sendmsg+0xee/0x170 [ 5167.342052][ T10] __sys_sendmsg+0xcd/0x170 [ 5167.342052][ T10] do_syscall_64+0xc6/0x1e0 [ 5167.342052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5167.342052][ T10] [ 5167.344522][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5167.344522][ T10] netdev_get_by_index+0x5e/0x80 [ 5167.344522][ T10] fib6_nh_init+0x3d8/0x1580 [ 5167.344522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5167.344522][ T10] ip6_route_add+0x1c/0x140 [ 5167.344522][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5167.344522][ T10] addrconf_add_dev+0xe2/0x170 [ 5167.344522][ T10] inet6_addr_add+0x12f/0xa40 [ 5167.344522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5167.344522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5167.344522][ T10] netlink_rcv_skb+0x130/0x360 [ 5167.344522][ T10] netlink_unicast+0x449/0x710 [ 5167.344522][ T10] netlink_sendmsg+0x723/0xbe0 [ 5167.344522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5167.344522][ T10] ___sys_sendmsg+0xee/0x170 [ 5167.344522][ T10] __sys_sendmsg+0xcd/0x170 [ 5167.344522][ T10] do_syscall_64+0xc6/0x1e0 [ 5167.344522][ T10] [ 5167.346973][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5167.346973][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5167.346973][ T10] ipv6_find_idev+0x102/0x170 [ 5167.346973][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5167.346973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5167.346973][ T10] netlink_rcv_skb+0x130/0x360 [ 5167.346973][ T10] netlink_unicast+0x449/0x710 [ 5167.346973][ T10] netlink_sendmsg+0x723/0xbe0 [ 5167.346973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5167.346973][ T10] ___sys_sendmsg+0xee/0x170 [ 5167.346973][ T10] __sys_sendmsg+0xcd/0x170 [ 5167.346973][ T10] do_syscall_64+0xc6/0x1e0 [ 5167.346973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5167.346973][ T10] [ 5167.348872][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5167.348872][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5167.348872][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5167.348872][ T10] ipv6_find_idev+0x102/0x170 [ 5167.348872][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5167.348872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5167.348872][ T10] netlink_rcv_skb+0x130/0x360 [ 5167.348872][ T10] netlink_unicast+0x449/0x710 [ 5167.348872][ T10] netlink_sendmsg+0x723/0xbe0 [ 5167.348872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5167.348872][ T10] ___sys_sendmsg+0xee/0x170 [ 5167.348872][ T10] __sys_sendmsg+0xcd/0x170 [ 5167.348872][ T10] do_syscall_64+0xc6/0x1e0 [ 5167.348872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5167.348872][ T10] [ 5170.305111][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5170.305658][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5170.305658][ T1167] dst_init+0x84/0x4a0 [ 5170.305658][ T1167] dst_alloc+0x97/0x150 [ 5170.305658][ T1167] ip6_dst_alloc+0x23/0x90 [ 5170.305658][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5170.305658][ T1167] ip6_pol_route+0x56f/0x840 [ 5170.305658][ T1167] fib6_rule_lookup+0x334/0x630 [ 5170.305658][ T1167] ip6_route_output_flags+0x259/0x480 [ 5170.305658][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5170.305658][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5170.305658][ T1167] netlink_rcv_skb+0x130/0x360 [ 5170.305658][ T1167] netlink_unicast+0x449/0x710 [ 5170.305658][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5170.305658][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5170.305658][ T1167] ___sys_sendmsg+0xee/0x170 [ 5170.305658][ T1167] __sys_sendmsg+0xcd/0x170 [ 5170.305658][ T1167] do_syscall_64+0xc6/0x1e0 [ 5170.305658][ T1167] [ 5170.308107][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5170.308107][ T1167] netdev_get_by_index+0x5e/0x80 [ 5170.308107][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5170.308107][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5170.308107][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5170.308107][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5170.308107][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5170.308107][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5170.308107][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5170.308107][ T1167] addrconf_dad_begin+0x310/0x670 [ 5170.308107][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5170.308107][ T1167] process_one_work+0x84d/0x18a0 [ 5170.308107][ T1167] worker_thread+0x587/0xd30 [ 5170.308107][ T1167] kthread+0x28a/0x350 [ 5170.308107][ T1167] ret_from_fork+0x31/0x70 [ 5170.308107][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5170.308107][ T1167] [ 5170.310501][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5170.310501][ T1167] netdev_get_by_index+0x5e/0x80 [ 5170.310501][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5170.310501][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5170.310501][ T1167] ip6_route_add+0x1c/0x140 [ 5170.310501][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5170.310501][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5170.310501][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5170.310501][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5170.310501][ T1167] netlink_rcv_skb+0x130/0x360 [ 5170.310501][ T1167] netlink_unicast+0x449/0x710 [ 5170.310501][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5170.310501][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5170.310501][ T1167] ___sys_sendmsg+0xee/0x170 [ 5170.310501][ T1167] __sys_sendmsg+0xcd/0x170 [ 5170.310501][ T1167] do_syscall_64+0xc6/0x1e0 [ 5170.310501][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5170.310501][ T1167] [ 5170.312971][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5170.312971][ T1167] netdev_get_by_index+0x5e/0x80 [ 5170.312971][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5170.312971][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5170.312971][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5170.312971][ T1167] ipv6_add_addr+0x411/0x2000 [ 5170.312971][ T1167] inet6_addr_add+0x30e/0xa40 [ 5170.312971][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5170.312971][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5170.312971][ T1167] netlink_rcv_skb+0x130/0x360 [ 5170.312971][ T1167] netlink_unicast+0x449/0x710 [ 5170.312971][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5170.312971][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5170.312971][ T1167] ___sys_sendmsg+0xee/0x170 [ 5170.312971][ T1167] __sys_sendmsg+0xcd/0x170 [ 5170.312971][ T1167] do_syscall_64+0xc6/0x1e0 [ 5170.312971][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5170.312971][ T1167] [ 5170.315498][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5170.315498][ T1167] netdev_get_by_index+0x5e/0x80 [ 5170.315498][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5170.315498][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5170.315498][ T1167] ip6_route_add+0x1c/0x140 [ 5170.315498][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5170.315498][ T1167] addrconf_add_dev+0xe2/0x170 [ 5170.315498][ T1167] inet6_addr_add+0x12f/0xa40 [ 5170.315498][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5170.315498][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5170.315498][ T1167] netlink_rcv_skb+0x130/0x360 [ 5170.315498][ T1167] netlink_unicast+0x449/0x710 [ 5170.315498][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5170.315498][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5170.315498][ T1167] ___sys_sendmsg+0xee/0x170 [ 5170.315498][ T1167] __sys_sendmsg+0xcd/0x170 [ 5170.315498][ T1167] do_syscall_64+0xc6/0x1e0 [ 5170.315498][ T1167] [ 5170.317924][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5170.317924][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5170.317924][ T1167] ipv6_find_idev+0x102/0x170 [ 5170.317924][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5170.317924][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5170.317924][ T1167] netlink_rcv_skb+0x130/0x360 [ 5170.317924][ T1167] netlink_unicast+0x449/0x710 [ 5170.317924][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5170.317924][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5170.317924][ T1167] ___sys_sendmsg+0xee/0x170 [ 5170.317924][ T1167] __sys_sendmsg+0xcd/0x170 [ 5170.317924][ T1167] do_syscall_64+0xc6/0x1e0 [ 5170.317924][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5170.317924][ T1167] [ 5170.319832][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5170.319832][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5170.319832][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5170.319832][ T1167] ipv6_find_idev+0x102/0x170 [ 5170.319832][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5170.319832][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5170.319832][ T1167] netlink_rcv_skb+0x130/0x360 [ 5170.319832][ T1167] netlink_unicast+0x449/0x710 [ 5170.319832][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5170.319832][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5170.319832][ T1167] ___sys_sendmsg+0xee/0x170 [ 5170.319832][ T1167] __sys_sendmsg+0xcd/0x170 [ 5170.319832][ T1167] do_syscall_64+0xc6/0x1e0 [ 5170.319832][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5170.319832][ T1167] [ 5177.593108][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5177.593567][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5177.593567][ T10] netdev_get_by_index+0x5e/0x80 [ 5177.593567][ T10] fib6_nh_init+0x3d8/0x1580 [ 5177.593567][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5177.593567][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5177.593567][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5177.593567][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5177.593567][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5177.593567][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5177.593567][ T10] addrconf_dad_begin+0x310/0x670 [ 5177.593567][ T10] addrconf_dad_work+0x10b/0xab0 [ 5177.593567][ T10] process_one_work+0x84d/0x18a0 [ 5177.593567][ T10] worker_thread+0x587/0xd30 [ 5177.593567][ T10] kthread+0x28a/0x350 [ 5177.593567][ T10] ret_from_fork+0x31/0x70 [ 5177.593567][ T10] ret_from_fork_asm+0x1a/0x30 [ 5177.593567][ T10] [ 5177.595763][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5177.595763][ T10] netdev_get_by_index+0x5e/0x80 [ 5177.595763][ T10] fib6_nh_init+0x3d8/0x1580 [ 5177.595763][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5177.595763][ T10] ip6_route_add+0x1c/0x140 [ 5177.595763][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5177.595763][ T10] inet6_addr_add+0x4f8/0xa40 [ 5177.595763][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5177.595763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5177.595763][ T10] netlink_rcv_skb+0x130/0x360 [ 5177.595763][ T10] netlink_unicast+0x449/0x710 [ 5177.595763][ T10] netlink_sendmsg+0x723/0xbe0 [ 5177.595763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5177.595763][ T10] ___sys_sendmsg+0xee/0x170 [ 5177.595763][ T10] __sys_sendmsg+0xcd/0x170 [ 5177.595763][ T10] do_syscall_64+0xc6/0x1e0 [ 5177.595763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5177.595763][ T10] [ 5177.597998][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5177.597998][ T10] netdev_get_by_index+0x5e/0x80 [ 5177.597998][ T10] fib6_nh_init+0x3d8/0x1580 [ 5177.597998][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5177.597998][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5177.597998][ T10] ipv6_add_addr+0x411/0x2000 [ 5177.597998][ T10] inet6_addr_add+0x30e/0xa40 [ 5177.597998][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5177.597998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5177.597998][ T10] netlink_rcv_skb+0x130/0x360 [ 5177.597998][ T10] netlink_unicast+0x449/0x710 [ 5177.597998][ T10] netlink_sendmsg+0x723/0xbe0 [ 5177.597998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5177.597998][ T10] ___sys_sendmsg+0xee/0x170 [ 5177.597998][ T10] __sys_sendmsg+0xcd/0x170 [ 5177.597998][ T10] do_syscall_64+0xc6/0x1e0 [ 5177.597998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5177.597998][ T10] [ 5177.600235][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5177.600235][ T10] netdev_get_by_index+0x5e/0x80 [ 5177.600235][ T10] fib6_nh_init+0x3d8/0x1580 [ 5177.600235][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5177.600235][ T10] ip6_route_add+0x1c/0x140 [ 5177.600235][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5177.600235][ T10] addrconf_add_dev+0xe2/0x170 [ 5177.600235][ T10] inet6_addr_add+0x12f/0xa40 [ 5177.600235][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5177.600235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5177.600235][ T10] netlink_rcv_skb+0x130/0x360 [ 5177.600235][ T10] netlink_unicast+0x449/0x710 [ 5177.600235][ T10] netlink_sendmsg+0x723/0xbe0 [ 5177.600235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5177.600235][ T10] ___sys_sendmsg+0xee/0x170 [ 5177.600235][ T10] __sys_sendmsg+0xcd/0x170 [ 5177.600235][ T10] do_syscall_64+0xc6/0x1e0 [ 5177.600235][ T10] [ 5177.602434][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5177.602434][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5177.602434][ T10] ipv6_find_idev+0x102/0x170 [ 5177.602434][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5177.602434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5177.602434][ T10] netlink_rcv_skb+0x130/0x360 [ 5177.602434][ T10] netlink_unicast+0x449/0x710 [ 5177.602434][ T10] netlink_sendmsg+0x723/0xbe0 [ 5177.602434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5177.602434][ T10] ___sys_sendmsg+0xee/0x170 [ 5177.602434][ T10] __sys_sendmsg+0xcd/0x170 [ 5177.602434][ T10] do_syscall_64+0xc6/0x1e0 [ 5177.602434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5177.602434][ T10] [ 5177.604176][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5177.604176][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5177.604176][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5177.604176][ T10] ipv6_find_idev+0x102/0x170 [ 5177.604176][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5177.604176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5177.604176][ T10] netlink_rcv_skb+0x130/0x360 [ 5177.604176][ T10] netlink_unicast+0x449/0x710 [ 5177.604176][ T10] netlink_sendmsg+0x723/0xbe0 [ 5177.604176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5177.604176][ T10] ___sys_sendmsg+0xee/0x170 [ 5177.604176][ T10] __sys_sendmsg+0xcd/0x170 [ 5177.604176][ T10] do_syscall_64+0xc6/0x1e0 [ 5177.604176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5177.604176][ T10] [ 5177.606068][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5177.606346][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5177.606346][ T10] netdev_get_by_index+0x5e/0x80 [ 5177.606346][ T10] fib6_nh_init+0x3d8/0x1580 [ 5177.606346][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5177.606346][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5177.606346][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5177.606346][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5177.606346][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5177.606346][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5177.606346][ T10] addrconf_dad_begin+0x310/0x670 [ 5177.606346][ T10] addrconf_dad_work+0x10b/0xab0 [ 5177.606346][ T10] process_one_work+0x84d/0x18a0 [ 5177.606346][ T10] worker_thread+0x587/0xd30 [ 5177.606346][ T10] kthread+0x28a/0x350 [ 5177.606346][ T10] ret_from_fork+0x31/0x70 [ 5177.606346][ T10] ret_from_fork_asm+0x1a/0x30 [ 5177.606346][ T10] [ 5177.608486][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5177.608486][ T10] netdev_get_by_index+0x5e/0x80 [ 5177.608486][ T10] fib6_nh_init+0x3d8/0x1580 [ 5177.608486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5177.608486][ T10] ip6_route_add+0x1c/0x140 [ 5177.608486][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5177.608486][ T10] inet6_addr_add+0x4f8/0xa40 [ 5177.608486][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5177.608486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5177.608486][ T10] netlink_rcv_skb+0x130/0x360 [ 5177.608486][ T10] netlink_unicast+0x449/0x710 [ 5177.608486][ T10] netlink_sendmsg+0x723/0xbe0 [ 5177.608486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5177.608486][ T10] ___sys_sendmsg+0xee/0x170 [ 5177.608486][ T10] __sys_sendmsg+0xcd/0x170 [ 5177.608486][ T10] do_syscall_64+0xc6/0x1e0 [ 5177.608486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5177.608486][ T10] [ 5177.610715][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5177.610715][ T10] netdev_get_by_index+0x5e/0x80 [ 5177.610715][ T10] fib6_nh_init+0x3d8/0x1580 [ 5177.610715][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5177.610715][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5177.610715][ T10] ipv6_add_addr+0x411/0x2000 [ 5177.610715][ T10] inet6_addr_add+0x30e/0xa40 [ 5177.610715][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5177.610715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5177.610715][ T10] netlink_rcv_skb+0x130/0x360 [ 5177.610715][ T10] netlink_unicast+0x449/0x710 [ 5177.610715][ T10] netlink_sendmsg+0x723/0xbe0 [ 5177.610715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5177.610715][ T10] ___sys_sendmsg+0xee/0x170 [ 5177.610715][ T10] __sys_sendmsg+0xcd/0x170 [ 5177.610715][ T10] do_syscall_64+0xc6/0x1e0 [ 5177.610715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5177.610715][ T10] [ 5177.612946][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5177.612946][ T10] netdev_get_by_index+0x5e/0x80 [ 5177.612946][ T10] fib6_nh_init+0x3d8/0x1580 [ 5177.612946][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5177.612946][ T10] ip6_route_add+0x1c/0x140 [ 5177.612946][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5177.612946][ T10] addrconf_add_dev+0xe2/0x170 [ 5177.612946][ T10] inet6_addr_add+0x12f/0xa40 [ 5177.612946][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5177.612946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5177.612946][ T10] netlink_rcv_skb+0x130/0x360 [ 5177.612946][ T10] netlink_unicast+0x449/0x710 [ 5177.612946][ T10] netlink_sendmsg+0x723/0xbe0 [ 5177.612946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5177.612946][ T10] ___sys_sendmsg+0xee/0x170 [ 5177.612946][ T10] __sys_sendmsg+0xcd/0x170 [ 5177.612946][ T10] do_syscall_64+0xc6/0x1e0 [ 5177.612946][ T10] [ 5177.615162][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5177.615162][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5177.615162][ T10] ipv6_find_idev+0x102/0x170 [ 5177.615162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5177.615162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5177.615162][ T10] netlink_rcv_skb+0x130/0x360 [ 5177.615162][ T10] netlink_unicast+0x449/0x710 [ 5177.615162][ T10] netlink_sendmsg+0x723/0xbe0 [ 5177.615162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5177.615162][ T10] ___sys_sendmsg+0xee/0x170 [ 5177.615162][ T10] __sys_sendmsg+0xcd/0x170 [ 5177.615162][ T10] do_syscall_64+0xc6/0x1e0 [ 5177.615162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5177.615162][ T10] [ 5177.616881][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5177.616881][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5177.616881][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5177.616881][ T10] ipv6_find_idev+0x102/0x170 [ 5177.616881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5177.616881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5177.616881][ T10] netlink_rcv_skb+0x130/0x360 [ 5177.616881][ T10] netlink_unicast+0x449/0x710 [ 5177.616881][ T10] netlink_sendmsg+0x723/0xbe0 [ 5177.616881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5177.616881][ T10] ___sys_sendmsg+0xee/0x170 [ 5177.616881][ T10] __sys_sendmsg+0xcd/0x170 [ 5177.616881][ T10] do_syscall_64+0xc6/0x1e0 [ 5177.616881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5177.616881][ T10] [ 5177.618773][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5177.619043][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5177.619043][ T10] netdev_get_by_index+0x5e/0x80 [ 5177.619043][ T10] fib6_nh_init+0x3d8/0x1580 [ 5177.619043][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5177.619043][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5177.619043][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5177.619043][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5177.619043][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5177.619043][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5177.619043][ T10] addrconf_dad_begin+0x310/0x670 [ 5177.619043][ T10] addrconf_dad_work+0x10b/0xab0 [ 5177.619043][ T10] process_one_work+0x84d/0x18a0 [ 5177.619043][ T10] worker_thread+0x587/0xd30 [ 5177.619043][ T10] kthread+0x28a/0x350 [ 5177.619043][ T10] ret_from_fork+0x31/0x70 [ 5177.619043][ T10] ret_from_fork_asm+0x1a/0x30 [ 5177.619043][ T10] [ 5177.621178][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5177.621178][ T10] netdev_get_by_index+0x5e/0x80 [ 5177.621178][ T10] fib6_nh_init+0x3d8/0x1580 [ 5177.621178][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5177.621178][ T10] ip6_route_add+0x1c/0x140 [ 5177.621178][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5177.621178][ T10] inet6_addr_add+0x4f8/0xa40 [ 5177.621178][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5177.621178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5177.621178][ T10] netlink_rcv_skb+0x130/0x360 [ 5177.621178][ T10] netlink_unicast+0x449/0x710 [ 5177.621178][ T10] netlink_sendmsg+0x723/0xbe0 [ 5177.621178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5177.621178][ T10] ___sys_sendmsg+0xee/0x170 [ 5177.621178][ T10] __sys_sendmsg+0xcd/0x170 [ 5177.621178][ T10] do_syscall_64+0xc6/0x1e0 [ 5177.621178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5177.621178][ T10] [ 5177.623599][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5177.623599][ T10] netdev_get_by_index+0x5e/0x80 [ 5177.623599][ T10] fib6_nh_init+0x3d8/0x1580 [ 5177.623599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5177.623599][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5177.623599][ T10] ipv6_add_addr+0x411/0x2000 [ 5177.623599][ T10] inet6_addr_add+0x30e/0xa40 [ 5177.623599][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5177.623599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5177.623599][ T10] netlink_rcv_skb+0x130/0x360 [ 5177.623599][ T10] netlink_unicast+0x449/0x710 [ 5177.623599][ T10] netlink_sendmsg+0x723/0xbe0 [ 5177.623599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5177.623599][ T10] ___sys_sendmsg+0xee/0x170 [ 5177.623599][ T10] __sys_sendmsg+0xcd/0x170 [ 5177.623599][ T10] do_syscall_64+0xc6/0x1e0 [ 5177.623599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5177.623599][ T10] [ 5177.626154][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5177.626154][ T10] netdev_get_by_index+0x5e/0x80 [ 5177.626154][ T10] fib6_nh_init+0x3d8/0x1580 [ 5177.626154][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5177.626154][ T10] ip6_route_add+0x1c/0x140 [ 5177.626154][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5177.626154][ T10] addrconf_add_dev+0xe2/0x170 [ 5177.626154][ T10] inet6_addr_add+0x12f/0xa40 [ 5177.626154][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5177.626154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5177.626154][ T10] netlink_rcv_skb+0x130/0x360 [ 5177.626154][ T10] netlink_unicast+0x449/0x710 [ 5177.626154][ T10] netlink_sendmsg+0x723/0xbe0 [ 5177.626154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5177.626154][ T10] ___sys_sendmsg+0xee/0x170 [ 5177.626154][ T10] __sys_sendmsg+0xcd/0x170 [ 5177.626154][ T10] do_syscall_64+0xc6/0x1e0 [ 5177.626154][ T10] [ 5177.628543][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5177.628543][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5177.628543][ T10] ipv6_find_idev+0x102/0x170 [ 5177.628543][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5177.628543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5177.628543][ T10] netlink_rcv_skb+0x130/0x360 [ 5177.628543][ T10] netlink_unicast+0x449/0x710 [ 5177.628543][ T10] netlink_sendmsg+0x723/0xbe0 [ 5177.628543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5177.628543][ T10] ___sys_sendmsg+0xee/0x170 [ 5177.628543][ T10] __sys_sendmsg+0xcd/0x170 [ 5177.628543][ T10] do_syscall_64+0xc6/0x1e0 [ 5177.628543][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5177.628543][ T10] [ 5177.630455][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5177.630455][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5177.630455][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5177.630455][ T10] ipv6_find_idev+0x102/0x170 [ 5177.630455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5177.630455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5177.630455][ T10] netlink_rcv_skb+0x130/0x360 [ 5177.630455][ T10] netlink_unicast+0x449/0x710 [ 5177.630455][ T10] netlink_sendmsg+0x723/0xbe0 [ 5177.630455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5177.630455][ T10] ___sys_sendmsg+0xee/0x170 [ 5177.630455][ T10] __sys_sendmsg+0xcd/0x170 [ 5177.630455][ T10] do_syscall_64+0xc6/0x1e0 [ 5177.630455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5177.630455][ T10] [ 5177.632581][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5177.632840][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5177.632840][ T10] netdev_get_by_index+0x5e/0x80 [ 5177.632840][ T10] fib6_nh_init+0x3d8/0x1580 [ 5177.632840][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5177.632840][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5177.632840][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5177.632840][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5177.632840][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5177.632840][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5177.632840][ T10] addrconf_dad_begin+0x310/0x670 [ 5177.632840][ T10] addrconf_dad_work+0x10b/0xab0 [ 5177.632840][ T10] process_one_work+0x84d/0x18a0 [ 5177.632840][ T10] worker_thread+0x587/0xd30 [ 5177.632840][ T10] kthread+0x28a/0x350 [ 5177.632840][ T10] ret_from_fork+0x31/0x70 [ 5177.632840][ T10] ret_from_fork_asm+0x1a/0x30 [ 5177.632840][ T10] [ 5177.635201][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5177.635201][ T10] netdev_get_by_index+0x5e/0x80 [ 5177.635201][ T10] fib6_nh_init+0x3d8/0x1580 [ 5177.635201][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5177.635201][ T10] ip6_route_add+0x1c/0x140 [ 5177.635201][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5177.635201][ T10] inet6_addr_add+0x4f8/0xa40 [ 5177.635201][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5177.635201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5177.635201][ T10] netlink_rcv_skb+0x130/0x360 [ 5177.635201][ T10] netlink_unicast+0x449/0x710 [ 5177.635201][ T10] netlink_sendmsg+0x723/0xbe0 [ 5177.635201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5177.635201][ T10] ___sys_sendmsg+0xee/0x170 [ 5177.635201][ T10] __sys_sendmsg+0xcd/0x170 [ 5177.635201][ T10] do_syscall_64+0xc6/0x1e0 [ 5177.635201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5177.635201][ T10] [ 5177.637614][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5177.637614][ T10] netdev_get_by_index+0x5e/0x80 [ 5177.637614][ T10] fib6_nh_init+0x3d8/0x1580 [ 5177.637614][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5177.637614][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5177.637614][ T10] ipv6_add_addr+0x411/0x2000 [ 5177.637614][ T10] inet6_addr_add+0x30e/0xa40 [ 5177.637614][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5177.637614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5177.637614][ T10] netlink_rcv_skb+0x130/0x360 [ 5177.637614][ T10] netlink_unicast+0x449/0x710 [ 5177.637614][ T10] netlink_sendmsg+0x723/0xbe0 [ 5177.637614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5177.637614][ T10] ___sys_sendmsg+0xee/0x170 [ 5177.637614][ T10] __sys_sendmsg+0xcd/0x170 [ 5177.637614][ T10] do_syscall_64+0xc6/0x1e0 [ 5177.637614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5177.637614][ T10] [ 5177.640022][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5177.640022][ T10] netdev_get_by_index+0x5e/0x80 [ 5177.640022][ T10] fib6_nh_init+0x3d8/0x1580 [ 5177.640022][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5177.640022][ T10] ip6_route_add+0x1c/0x140 [ 5177.640022][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5177.640022][ T10] addrconf_add_dev+0xe2/0x170 [ 5177.640022][ T10] inet6_addr_add+0x12f/0xa40 [ 5177.640022][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5177.640022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5177.640022][ T10] netlink_rcv_skb+0x130/0x360 [ 5177.640022][ T10] netlink_unicast+0x449/0x710 [ 5177.640022][ T10] netlink_sendmsg+0x723/0xbe0 [ 5177.640022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5177.640022][ T10] ___sys_sendmsg+0xee/0x170 [ 5177.640022][ T10] __sys_sendmsg+0xcd/0x170 [ 5177.640022][ T10] do_syscall_64+0xc6/0x1e0 [ 5177.640022][ T10] [ 5177.642375][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5177.642375][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5177.642375][ T10] ipv6_find_idev+0x102/0x170 [ 5177.642375][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5177.642375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5177.642375][ T10] netlink_rcv_skb+0x130/0x360 [ 5177.642375][ T10] netlink_unicast+0x449/0x710 [ 5177.642375][ T10] netlink_sendmsg+0x723/0xbe0 [ 5177.642375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5177.642375][ T10] ___sys_sendmsg+0xee/0x170 [ 5177.642375][ T10] __sys_sendmsg+0xcd/0x170 [ 5177.642375][ T10] do_syscall_64+0xc6/0x1e0 [ 5177.642375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5177.642375][ T10] [ 5177.644199][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5177.644199][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5177.644199][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5177.644199][ T10] ipv6_find_idev+0x102/0x170 [ 5177.644199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5177.644199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5177.644199][ T10] netlink_rcv_skb+0x130/0x360 [ 5177.644199][ T10] netlink_unicast+0x449/0x710 [ 5177.644199][ T10] netlink_sendmsg+0x723/0xbe0 [ 5177.644199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5177.644199][ T10] ___sys_sendmsg+0xee/0x170 [ 5177.644199][ T10] __sys_sendmsg+0xcd/0x170 [ 5177.644199][ T10] do_syscall_64+0xc6/0x1e0 [ 5177.644199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5177.644199][ T10] [ 5180.561127][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5180.561671][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5180.561671][ T1167] dst_init+0x84/0x4a0 [ 5180.561671][ T1167] dst_alloc+0x97/0x150 [ 5180.561671][ T1167] ip6_dst_alloc+0x23/0x90 [ 5180.561671][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5180.561671][ T1167] ip6_pol_route+0x56f/0x840 [ 5180.561671][ T1167] fib6_rule_lookup+0x334/0x630 [ 5180.561671][ T1167] ip6_route_output_flags+0x259/0x480 [ 5180.561671][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5180.561671][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5180.561671][ T1167] netlink_rcv_skb+0x130/0x360 [ 5180.561671][ T1167] netlink_unicast+0x449/0x710 [ 5180.561671][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5180.561671][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5180.561671][ T1167] ___sys_sendmsg+0xee/0x170 [ 5180.561671][ T1167] __sys_sendmsg+0xcd/0x170 [ 5180.561671][ T1167] do_syscall_64+0xc6/0x1e0 [ 5180.561671][ T1167] [ 5180.566825][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5180.566825][ T1167] netdev_get_by_index+0x5e/0x80 [ 5180.566825][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5180.566825][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5180.566825][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5180.566825][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5180.566825][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5180.566825][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5180.566825][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5180.566825][ T1167] addrconf_dad_begin+0x310/0x670 [ 5180.566825][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5180.566825][ T1167] process_one_work+0x84d/0x18a0 [ 5180.566825][ T1167] worker_thread+0x587/0xd30 [ 5180.566825][ T1167] kthread+0x28a/0x350 [ 5180.566825][ T1167] ret_from_fork+0x31/0x70 [ 5180.566825][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5180.566825][ T1167] [ 5180.569228][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5180.569228][ T1167] netdev_get_by_index+0x5e/0x80 [ 5180.569228][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5180.569228][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5180.569228][ T1167] ip6_route_add+0x1c/0x140 [ 5180.569228][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5180.569228][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5180.569228][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5180.569228][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5180.569228][ T1167] netlink_rcv_skb+0x130/0x360 [ 5180.569228][ T1167] netlink_unicast+0x449/0x710 [ 5180.569228][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5180.569228][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5180.569228][ T1167] ___sys_sendmsg+0xee/0x170 [ 5180.569228][ T1167] __sys_sendmsg+0xcd/0x170 [ 5180.569228][ T1167] do_syscall_64+0xc6/0x1e0 [ 5180.569228][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5180.569228][ T1167] [ 5180.571723][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5180.571723][ T1167] netdev_get_by_index+0x5e/0x80 [ 5180.571723][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5180.571723][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5180.571723][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5180.571723][ T1167] ipv6_add_addr+0x411/0x2000 [ 5180.571723][ T1167] inet6_addr_add+0x30e/0xa40 [ 5180.571723][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5180.571723][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5180.571723][ T1167] netlink_rcv_skb+0x130/0x360 [ 5180.571723][ T1167] netlink_unicast+0x449/0x710 [ 5180.571723][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5180.571723][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5180.571723][ T1167] ___sys_sendmsg+0xee/0x170 [ 5180.571723][ T1167] __sys_sendmsg+0xcd/0x170 [ 5180.571723][ T1167] do_syscall_64+0xc6/0x1e0 [ 5180.571723][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5180.571723][ T1167] [ 5180.574241][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5180.574241][ T1167] netdev_get_by_index+0x5e/0x80 [ 5180.574241][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5180.574241][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5180.574241][ T1167] ip6_route_add+0x1c/0x140 [ 5180.574241][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5180.574241][ T1167] addrconf_add_dev+0xe2/0x170 [ 5180.574241][ T1167] inet6_addr_add+0x12f/0xa40 [ 5180.574241][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5180.574241][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5180.574241][ T1167] netlink_rcv_skb+0x130/0x360 [ 5180.574241][ T1167] netlink_unicast+0x449/0x710 [ 5180.574241][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5180.574241][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5180.574241][ T1167] ___sys_sendmsg+0xee/0x170 [ 5180.574241][ T1167] __sys_sendmsg+0xcd/0x170 [ 5180.574241][ T1167] do_syscall_64+0xc6/0x1e0 [ 5180.574241][ T1167] [ 5180.576703][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5180.576703][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5180.576703][ T1167] ipv6_find_idev+0x102/0x170 [ 5180.576703][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5180.576703][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5180.576703][ T1167] netlink_rcv_skb+0x130/0x360 [ 5180.576703][ T1167] netlink_unicast+0x449/0x710 [ 5180.576703][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5180.576703][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5180.576703][ T1167] ___sys_sendmsg+0xee/0x170 [ 5180.576703][ T1167] __sys_sendmsg+0xcd/0x170 [ 5180.576703][ T1167] do_syscall_64+0xc6/0x1e0 [ 5180.576703][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5180.576703][ T1167] [ 5180.578619][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5180.578619][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5180.578619][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5180.578619][ T1167] ipv6_find_idev+0x102/0x170 [ 5180.578619][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5180.578619][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5180.578619][ T1167] netlink_rcv_skb+0x130/0x360 [ 5180.578619][ T1167] netlink_unicast+0x449/0x710 [ 5180.578619][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5180.578619][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5180.578619][ T1167] ___sys_sendmsg+0xee/0x170 [ 5180.578619][ T1167] __sys_sendmsg+0xcd/0x170 [ 5180.578619][ T1167] do_syscall_64+0xc6/0x1e0 [ 5180.578619][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5180.578619][ T1167] [ 5187.889145][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5187.889601][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5187.889601][ T10] netdev_get_by_index+0x5e/0x80 [ 5187.889601][ T10] fib6_nh_init+0x3d8/0x1580 [ 5187.889601][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5187.889601][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5187.889601][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5187.889601][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5187.889601][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5187.889601][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5187.889601][ T10] addrconf_dad_begin+0x310/0x670 [ 5187.889601][ T10] addrconf_dad_work+0x10b/0xab0 [ 5187.889601][ T10] process_one_work+0x84d/0x18a0 [ 5187.889601][ T10] worker_thread+0x587/0xd30 [ 5187.889601][ T10] kthread+0x28a/0x350 [ 5187.889601][ T10] ret_from_fork+0x31/0x70 [ 5187.889601][ T10] ret_from_fork_asm+0x1a/0x30 [ 5187.889601][ T10] [ 5187.891559][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5187.891559][ T10] netdev_get_by_index+0x5e/0x80 [ 5187.891559][ T10] fib6_nh_init+0x3d8/0x1580 [ 5187.891559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5187.891559][ T10] ip6_route_add+0x1c/0x140 [ 5187.891559][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5187.891559][ T10] inet6_addr_add+0x4f8/0xa40 [ 5187.891559][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5187.891559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5187.891559][ T10] netlink_rcv_skb+0x130/0x360 [ 5187.891559][ T10] netlink_unicast+0x449/0x710 [ 5187.891559][ T10] netlink_sendmsg+0x723/0xbe0 [ 5187.891559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5187.891559][ T10] ___sys_sendmsg+0xee/0x170 [ 5187.891559][ T10] __sys_sendmsg+0xcd/0x170 [ 5187.891559][ T10] do_syscall_64+0xc6/0x1e0 [ 5187.891559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5187.891559][ T10] [ 5187.893581][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5187.893581][ T10] netdev_get_by_index+0x5e/0x80 [ 5187.893581][ T10] fib6_nh_init+0x3d8/0x1580 [ 5187.893581][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5187.893581][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5187.893581][ T10] ipv6_add_addr+0x411/0x2000 [ 5187.893581][ T10] inet6_addr_add+0x30e/0xa40 [ 5187.893581][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5187.893581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5187.893581][ T10] netlink_rcv_skb+0x130/0x360 [ 5187.893581][ T10] netlink_unicast+0x449/0x710 [ 5187.893581][ T10] netlink_sendmsg+0x723/0xbe0 [ 5187.893581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5187.893581][ T10] ___sys_sendmsg+0xee/0x170 [ 5187.893581][ T10] __sys_sendmsg+0xcd/0x170 [ 5187.893581][ T10] do_syscall_64+0xc6/0x1e0 [ 5187.893581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5187.893581][ T10] [ 5187.895603][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5187.895603][ T10] netdev_get_by_index+0x5e/0x80 [ 5187.895603][ T10] fib6_nh_init+0x3d8/0x1580 [ 5187.895603][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5187.895603][ T10] ip6_route_add+0x1c/0x140 [ 5187.895603][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5187.895603][ T10] addrconf_add_dev+0xe2/0x170 [ 5187.895603][ T10] inet6_addr_add+0x12f/0xa40 [ 5187.895603][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5187.895603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5187.895603][ T10] netlink_rcv_skb+0x130/0x360 [ 5187.895603][ T10] netlink_unicast+0x449/0x710 [ 5187.895603][ T10] netlink_sendmsg+0x723/0xbe0 [ 5187.895603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5187.895603][ T10] ___sys_sendmsg+0xee/0x170 [ 5187.895603][ T10] __sys_sendmsg+0xcd/0x170 [ 5187.895603][ T10] do_syscall_64+0xc6/0x1e0 [ 5187.895603][ T10] [ 5187.897590][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5187.897590][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5187.897590][ T10] ipv6_find_idev+0x102/0x170 [ 5187.897590][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5187.897590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5187.897590][ T10] netlink_rcv_skb+0x130/0x360 [ 5187.897590][ T10] netlink_unicast+0x449/0x710 [ 5187.897590][ T10] netlink_sendmsg+0x723/0xbe0 [ 5187.897590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5187.897590][ T10] ___sys_sendmsg+0xee/0x170 [ 5187.897590][ T10] __sys_sendmsg+0xcd/0x170 [ 5187.897590][ T10] do_syscall_64+0xc6/0x1e0 [ 5187.897590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5187.897590][ T10] [ 5187.899125][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5187.899125][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5187.899125][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5187.899125][ T10] ipv6_find_idev+0x102/0x170 [ 5187.899125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5187.899125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5187.899125][ T10] netlink_rcv_skb+0x130/0x360 [ 5187.899125][ T10] netlink_unicast+0x449/0x710 [ 5187.899125][ T10] netlink_sendmsg+0x723/0xbe0 [ 5187.899125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5187.899125][ T10] ___sys_sendmsg+0xee/0x170 [ 5187.899125][ T10] __sys_sendmsg+0xcd/0x170 [ 5187.899125][ T10] do_syscall_64+0xc6/0x1e0 [ 5187.899125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5187.899125][ T10] [ 5187.900817][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5187.901103][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5187.901103][ T10] netdev_get_by_index+0x5e/0x80 [ 5187.901103][ T10] fib6_nh_init+0x3d8/0x1580 [ 5187.901103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5187.901103][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5187.901103][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5187.901103][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5187.901103][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5187.901103][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5187.901103][ T10] addrconf_dad_begin+0x310/0x670 [ 5187.901103][ T10] addrconf_dad_work+0x10b/0xab0 [ 5187.901103][ T10] process_one_work+0x84d/0x18a0 [ 5187.901103][ T10] worker_thread+0x587/0xd30 [ 5187.901103][ T10] kthread+0x28a/0x350 [ 5187.901103][ T10] ret_from_fork+0x31/0x70 [ 5187.901103][ T10] ret_from_fork_asm+0x1a/0x30 [ 5187.901103][ T10] [ 5187.903018][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5187.903018][ T10] netdev_get_by_index+0x5e/0x80 [ 5187.903018][ T10] fib6_nh_init+0x3d8/0x1580 [ 5187.903018][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5187.903018][ T10] ip6_route_add+0x1c/0x140 [ 5187.903018][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5187.903018][ T10] inet6_addr_add+0x4f8/0xa40 [ 5187.903018][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5187.903018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5187.903018][ T10] netlink_rcv_skb+0x130/0x360 [ 5187.903018][ T10] netlink_unicast+0x449/0x710 [ 5187.903018][ T10] netlink_sendmsg+0x723/0xbe0 [ 5187.903018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5187.903018][ T10] ___sys_sendmsg+0xee/0x170 [ 5187.903018][ T10] __sys_sendmsg+0xcd/0x170 [ 5187.903018][ T10] do_syscall_64+0xc6/0x1e0 [ 5187.903018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5187.903018][ T10] [ 5187.905028][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5187.905028][ T10] netdev_get_by_index+0x5e/0x80 [ 5187.905028][ T10] fib6_nh_init+0x3d8/0x1580 [ 5187.905028][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5187.905028][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5187.905028][ T10] ipv6_add_addr+0x411/0x2000 [ 5187.905028][ T10] inet6_addr_add+0x30e/0xa40 [ 5187.905028][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5187.905028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5187.905028][ T10] netlink_rcv_skb+0x130/0x360 [ 5187.905028][ T10] netlink_unicast+0x449/0x710 [ 5187.905028][ T10] netlink_sendmsg+0x723/0xbe0 [ 5187.905028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5187.905028][ T10] ___sys_sendmsg+0xee/0x170 [ 5187.905028][ T10] __sys_sendmsg+0xcd/0x170 [ 5187.905028][ T10] do_syscall_64+0xc6/0x1e0 [ 5187.905028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5187.905028][ T10] [ 5187.907020][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5187.907020][ T10] netdev_get_by_index+0x5e/0x80 [ 5187.907020][ T10] fib6_nh_init+0x3d8/0x1580 [ 5187.907020][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5187.907020][ T10] ip6_route_add+0x1c/0x140 [ 5187.907020][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5187.907020][ T10] addrconf_add_dev+0xe2/0x170 [ 5187.907020][ T10] inet6_addr_add+0x12f/0xa40 [ 5187.907020][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5187.907020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5187.907020][ T10] netlink_rcv_skb+0x130/0x360 [ 5187.907020][ T10] netlink_unicast+0x449/0x710 [ 5187.907020][ T10] netlink_sendmsg+0x723/0xbe0 [ 5187.907020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5187.907020][ T10] ___sys_sendmsg+0xee/0x170 [ 5187.907020][ T10] __sys_sendmsg+0xcd/0x170 [ 5187.907020][ T10] do_syscall_64+0xc6/0x1e0 [ 5187.907020][ T10] [ 5187.908983][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5187.908983][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5187.908983][ T10] ipv6_find_idev+0x102/0x170 [ 5187.908983][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5187.908983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5187.908983][ T10] netlink_rcv_skb+0x130/0x360 [ 5187.908983][ T10] netlink_unicast+0x449/0x710 [ 5187.908983][ T10] netlink_sendmsg+0x723/0xbe0 [ 5187.908983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5187.908983][ T10] ___sys_sendmsg+0xee/0x170 [ 5187.908983][ T10] __sys_sendmsg+0xcd/0x170 [ 5187.908983][ T10] do_syscall_64+0xc6/0x1e0 [ 5187.908983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5187.908983][ T10] [ 5187.910522][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5187.910522][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5187.910522][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5187.910522][ T10] ipv6_find_idev+0x102/0x170 [ 5187.910522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5187.910522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5187.910522][ T10] netlink_rcv_skb+0x130/0x360 [ 5187.910522][ T10] netlink_unicast+0x449/0x710 [ 5187.910522][ T10] netlink_sendmsg+0x723/0xbe0 [ 5187.910522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5187.910522][ T10] ___sys_sendmsg+0xee/0x170 [ 5187.910522][ T10] __sys_sendmsg+0xcd/0x170 [ 5187.910522][ T10] do_syscall_64+0xc6/0x1e0 [ 5187.910522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5187.910522][ T10] [ 5187.912208][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5187.912447][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5187.912447][ T10] netdev_get_by_index+0x5e/0x80 [ 5187.912447][ T10] fib6_nh_init+0x3d8/0x1580 [ 5187.912447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5187.912447][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5187.912447][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5187.912447][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5187.912447][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5187.912447][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5187.912447][ T10] addrconf_dad_begin+0x310/0x670 [ 5187.912447][ T10] addrconf_dad_work+0x10b/0xab0 [ 5187.912447][ T10] process_one_work+0x84d/0x18a0 [ 5187.912447][ T10] worker_thread+0x587/0xd30 [ 5187.912447][ T10] kthread+0x28a/0x350 [ 5187.912447][ T10] ret_from_fork+0x31/0x70 [ 5187.912447][ T10] ret_from_fork_asm+0x1a/0x30 [ 5187.912447][ T10] [ 5187.914383][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5187.914383][ T10] netdev_get_by_index+0x5e/0x80 [ 5187.914383][ T10] fib6_nh_init+0x3d8/0x1580 [ 5187.914383][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5187.914383][ T10] ip6_route_add+0x1c/0x140 [ 5187.914383][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5187.914383][ T10] inet6_addr_add+0x4f8/0xa40 [ 5187.914383][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5187.914383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5187.914383][ T10] netlink_rcv_skb+0x130/0x360 [ 5187.914383][ T10] netlink_unicast+0x449/0x710 [ 5187.914383][ T10] netlink_sendmsg+0x723/0xbe0 [ 5187.914383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5187.914383][ T10] ___sys_sendmsg+0xee/0x170 [ 5187.914383][ T10] __sys_sendmsg+0xcd/0x170 [ 5187.914383][ T10] do_syscall_64+0xc6/0x1e0 [ 5187.914383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5187.914383][ T10] [ 5187.916561][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5187.916561][ T10] netdev_get_by_index+0x5e/0x80 [ 5187.916561][ T10] fib6_nh_init+0x3d8/0x1580 [ 5187.916561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5187.916561][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5187.916561][ T10] ipv6_add_addr+0x411/0x2000 [ 5187.916561][ T10] inet6_addr_add+0x30e/0xa40 [ 5187.916561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5187.916561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5187.916561][ T10] netlink_rcv_skb+0x130/0x360 [ 5187.916561][ T10] netlink_unicast+0x449/0x710 [ 5187.916561][ T10] netlink_sendmsg+0x723/0xbe0 [ 5187.916561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5187.916561][ T10] ___sys_sendmsg+0xee/0x170 [ 5187.916561][ T10] __sys_sendmsg+0xcd/0x170 [ 5187.916561][ T10] do_syscall_64+0xc6/0x1e0 [ 5187.916561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5187.916561][ T10] [ 5187.918801][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5187.918801][ T10] netdev_get_by_index+0x5e/0x80 [ 5187.918801][ T10] fib6_nh_init+0x3d8/0x1580 [ 5187.918801][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5187.918801][ T10] ip6_route_add+0x1c/0x140 [ 5187.918801][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5187.918801][ T10] addrconf_add_dev+0xe2/0x170 [ 5187.918801][ T10] inet6_addr_add+0x12f/0xa40 [ 5187.918801][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5187.918801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5187.918801][ T10] netlink_rcv_skb+0x130/0x360 [ 5187.918801][ T10] netlink_unicast+0x449/0x710 [ 5187.918801][ T10] netlink_sendmsg+0x723/0xbe0 [ 5187.918801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5187.918801][ T10] ___sys_sendmsg+0xee/0x170 [ 5187.918801][ T10] __sys_sendmsg+0xcd/0x170 [ 5187.918801][ T10] do_syscall_64+0xc6/0x1e0 [ 5187.918801][ T10] [ 5187.921022][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5187.921022][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5187.921022][ T10] ipv6_find_idev+0x102/0x170 [ 5187.921022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5187.921022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5187.921022][ T10] netlink_rcv_skb+0x130/0x360 [ 5187.921022][ T10] netlink_unicast+0x449/0x710 [ 5187.921022][ T10] netlink_sendmsg+0x723/0xbe0 [ 5187.921022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5187.921022][ T10] ___sys_sendmsg+0xee/0x170 [ 5187.921022][ T10] __sys_sendmsg+0xcd/0x170 [ 5187.921022][ T10] do_syscall_64+0xc6/0x1e0 [ 5187.921022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5187.921022][ T10] [ 5187.922766][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5187.922766][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5187.922766][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5187.922766][ T10] ipv6_find_idev+0x102/0x170 [ 5187.922766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5187.922766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5187.922766][ T10] netlink_rcv_skb+0x130/0x360 [ 5187.922766][ T10] netlink_unicast+0x449/0x710 [ 5187.922766][ T10] netlink_sendmsg+0x723/0xbe0 [ 5187.922766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5187.922766][ T10] ___sys_sendmsg+0xee/0x170 [ 5187.922766][ T10] __sys_sendmsg+0xcd/0x170 [ 5187.922766][ T10] do_syscall_64+0xc6/0x1e0 [ 5187.922766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5187.922766][ T10] [ 5187.924646][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5187.924882][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5187.924882][ T10] netdev_get_by_index+0x5e/0x80 [ 5187.924882][ T10] fib6_nh_init+0x3d8/0x1580 [ 5187.924882][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5187.924882][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5187.924882][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5187.924882][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5187.924882][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5187.924882][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5187.924882][ T10] addrconf_dad_begin+0x310/0x670 [ 5187.924882][ T10] addrconf_dad_work+0x10b/0xab0 [ 5187.924882][ T10] process_one_work+0x84d/0x18a0 [ 5187.924882][ T10] worker_thread+0x587/0xd30 [ 5187.924882][ T10] kthread+0x28a/0x350 [ 5187.924882][ T10] ret_from_fork+0x31/0x70 [ 5187.924882][ T10] ret_from_fork_asm+0x1a/0x30 [ 5187.924882][ T10] [ 5187.927033][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5187.927033][ T10] netdev_get_by_index+0x5e/0x80 [ 5187.927033][ T10] fib6_nh_init+0x3d8/0x1580 [ 5187.927033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5187.927033][ T10] ip6_route_add+0x1c/0x140 [ 5187.927033][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5187.927033][ T10] inet6_addr_add+0x4f8/0xa40 [ 5187.927033][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5187.927033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5187.927033][ T10] netlink_rcv_skb+0x130/0x360 [ 5187.927033][ T10] netlink_unicast+0x449/0x710 [ 5187.927033][ T10] netlink_sendmsg+0x723/0xbe0 [ 5187.927033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5187.927033][ T10] ___sys_sendmsg+0xee/0x170 [ 5187.927033][ T10] __sys_sendmsg+0xcd/0x170 [ 5187.927033][ T10] do_syscall_64+0xc6/0x1e0 [ 5187.927033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5187.927033][ T10] [ 5187.929291][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5187.929291][ T10] netdev_get_by_index+0x5e/0x80 [ 5187.929291][ T10] fib6_nh_init+0x3d8/0x1580 [ 5187.929291][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5187.929291][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5187.929291][ T10] ipv6_add_addr+0x411/0x2000 [ 5187.929291][ T10] inet6_addr_add+0x30e/0xa40 [ 5187.929291][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5187.929291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5187.929291][ T10] netlink_rcv_skb+0x130/0x360 [ 5187.929291][ T10] netlink_unicast+0x449/0x710 [ 5187.929291][ T10] netlink_sendmsg+0x723/0xbe0 [ 5187.929291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5187.929291][ T10] ___sys_sendmsg+0xee/0x170 [ 5187.929291][ T10] __sys_sendmsg+0xcd/0x170 [ 5187.929291][ T10] do_syscall_64+0xc6/0x1e0 [ 5187.929291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5187.929291][ T10] [ 5187.931532][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5187.931532][ T10] netdev_get_by_index+0x5e/0x80 [ 5187.931532][ T10] fib6_nh_init+0x3d8/0x1580 [ 5187.931532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5187.931532][ T10] ip6_route_add+0x1c/0x140 [ 5187.931532][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5187.931532][ T10] addrconf_add_dev+0xe2/0x170 [ 5187.931532][ T10] inet6_addr_add+0x12f/0xa40 [ 5187.931532][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5187.931532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5187.931532][ T10] netlink_rcv_skb+0x130/0x360 [ 5187.931532][ T10] netlink_unicast+0x449/0x710 [ 5187.931532][ T10] netlink_sendmsg+0x723/0xbe0 [ 5187.931532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5187.931532][ T10] ___sys_sendmsg+0xee/0x170 [ 5187.931532][ T10] __sys_sendmsg+0xcd/0x170 [ 5187.931532][ T10] do_syscall_64+0xc6/0x1e0 [ 5187.931532][ T10] [ 5187.933733][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5187.933733][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5187.933733][ T10] ipv6_find_idev+0x102/0x170 [ 5187.933733][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5187.933733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5187.933733][ T10] netlink_rcv_skb+0x130/0x360 [ 5187.933733][ T10] netlink_unicast+0x449/0x710 [ 5187.933733][ T10] netlink_sendmsg+0x723/0xbe0 [ 5187.933733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5187.933733][ T10] ___sys_sendmsg+0xee/0x170 [ 5187.933733][ T10] __sys_sendmsg+0xcd/0x170 [ 5187.933733][ T10] do_syscall_64+0xc6/0x1e0 [ 5187.933733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5187.933733][ T10] [ 5187.935465][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5187.935465][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5187.935465][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5187.935465][ T10] ipv6_find_idev+0x102/0x170 [ 5187.935465][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5187.935465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5187.935465][ T10] netlink_rcv_skb+0x130/0x360 [ 5187.935465][ T10] netlink_unicast+0x449/0x710 [ 5187.935465][ T10] netlink_sendmsg+0x723/0xbe0 [ 5187.935465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5187.935465][ T10] ___sys_sendmsg+0xee/0x170 [ 5187.935465][ T10] __sys_sendmsg+0xcd/0x170 [ 5187.935465][ T10] do_syscall_64+0xc6/0x1e0 [ 5187.935465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5187.935465][ T10] [ 5190.641186][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5190.641682][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5190.641682][ T1167] dst_init+0x84/0x4a0 [ 5190.641682][ T1167] dst_alloc+0x97/0x150 [ 5190.641682][ T1167] ip6_dst_alloc+0x23/0x90 [ 5190.641682][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5190.641682][ T1167] ip6_pol_route+0x56f/0x840 [ 5190.641682][ T1167] fib6_rule_lookup+0x334/0x630 [ 5190.641682][ T1167] ip6_route_output_flags+0x259/0x480 [ 5190.641682][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5190.641682][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5190.641682][ T1167] netlink_rcv_skb+0x130/0x360 [ 5190.641682][ T1167] netlink_unicast+0x449/0x710 [ 5190.641682][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5190.641682][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5190.641682][ T1167] ___sys_sendmsg+0xee/0x170 [ 5190.641682][ T1167] __sys_sendmsg+0xcd/0x170 [ 5190.641682][ T1167] do_syscall_64+0xc6/0x1e0 [ 5190.641682][ T1167] [ 5190.643891][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5190.643891][ T1167] netdev_get_by_index+0x5e/0x80 [ 5190.643891][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5190.643891][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5190.643891][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5190.643891][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5190.643891][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5190.643891][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5190.643891][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5190.643891][ T1167] addrconf_dad_begin+0x310/0x670 [ 5190.643891][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5190.643891][ T1167] process_one_work+0x84d/0x18a0 [ 5190.643891][ T1167] worker_thread+0x587/0xd30 [ 5190.643891][ T1167] kthread+0x28a/0x350 [ 5190.643891][ T1167] ret_from_fork+0x31/0x70 [ 5190.643891][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5190.643891][ T1167] [ 5190.646063][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5190.646063][ T1167] netdev_get_by_index+0x5e/0x80 [ 5190.646063][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5190.646063][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5190.646063][ T1167] ip6_route_add+0x1c/0x140 [ 5190.646063][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5190.646063][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5190.646063][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5190.646063][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5190.646063][ T1167] netlink_rcv_skb+0x130/0x360 [ 5190.646063][ T1167] netlink_unicast+0x449/0x710 [ 5190.646063][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5190.646063][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5190.646063][ T1167] ___sys_sendmsg+0xee/0x170 [ 5190.646063][ T1167] __sys_sendmsg+0xcd/0x170 [ 5190.646063][ T1167] do_syscall_64+0xc6/0x1e0 [ 5190.646063][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5190.646063][ T1167] [ 5190.648310][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5190.648310][ T1167] netdev_get_by_index+0x5e/0x80 [ 5190.648310][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5190.648310][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5190.648310][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5190.648310][ T1167] ipv6_add_addr+0x411/0x2000 [ 5190.648310][ T1167] inet6_addr_add+0x30e/0xa40 [ 5190.648310][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5190.648310][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5190.648310][ T1167] netlink_rcv_skb+0x130/0x360 [ 5190.648310][ T1167] netlink_unicast+0x449/0x710 [ 5190.648310][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5190.648310][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5190.648310][ T1167] ___sys_sendmsg+0xee/0x170 [ 5190.648310][ T1167] __sys_sendmsg+0xcd/0x170 [ 5190.648310][ T1167] do_syscall_64+0xc6/0x1e0 [ 5190.648310][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5190.648310][ T1167] [ 5190.650575][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5190.650575][ T1167] netdev_get_by_index+0x5e/0x80 [ 5190.650575][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5190.650575][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5190.650575][ T1167] ip6_route_add+0x1c/0x140 [ 5190.650575][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5190.650575][ T1167] addrconf_add_dev+0xe2/0x170 [ 5190.650575][ T1167] inet6_addr_add+0x12f/0xa40 [ 5190.650575][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5190.650575][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5190.650575][ T1167] netlink_rcv_skb+0x130/0x360 [ 5190.650575][ T1167] netlink_unicast+0x449/0x710 [ 5190.650575][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5190.650575][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5190.650575][ T1167] ___sys_sendmsg+0xee/0x170 [ 5190.650575][ T1167] __sys_sendmsg+0xcd/0x170 [ 5190.650575][ T1167] do_syscall_64+0xc6/0x1e0 [ 5190.650575][ T1167] [ 5190.652791][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5190.652791][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5190.652791][ T1167] ipv6_find_idev+0x102/0x170 [ 5190.652791][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5190.652791][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5190.652791][ T1167] netlink_rcv_skb+0x130/0x360 [ 5190.652791][ T1167] netlink_unicast+0x449/0x710 [ 5190.652791][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5190.652791][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5190.652791][ T1167] ___sys_sendmsg+0xee/0x170 [ 5190.652791][ T1167] __sys_sendmsg+0xcd/0x170 [ 5190.652791][ T1167] do_syscall_64+0xc6/0x1e0 [ 5190.652791][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5190.652791][ T1167] [ 5190.654536][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5190.654536][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5190.654536][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5190.654536][ T1167] ipv6_find_idev+0x102/0x170 [ 5190.654536][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5190.654536][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5190.654536][ T1167] netlink_rcv_skb+0x130/0x360 [ 5190.654536][ T1167] netlink_unicast+0x449/0x710 [ 5190.654536][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5190.654536][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5190.654536][ T1167] ___sys_sendmsg+0xee/0x170 [ 5190.654536][ T1167] __sys_sendmsg+0xcd/0x170 [ 5190.654536][ T1167] do_syscall_64+0xc6/0x1e0 [ 5190.654536][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5190.654536][ T1167] [ 5198.065133][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5198.065533][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5198.065533][ T10] netdev_get_by_index+0x5e/0x80 [ 5198.065533][ T10] fib6_nh_init+0x3d8/0x1580 [ 5198.065533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5198.065533][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5198.065533][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5198.065533][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5198.065533][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5198.065533][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5198.065533][ T10] addrconf_dad_begin+0x310/0x670 [ 5198.065533][ T10] addrconf_dad_work+0x10b/0xab0 [ 5198.065533][ T10] process_one_work+0x84d/0x18a0 [ 5198.065533][ T10] worker_thread+0x587/0xd30 [ 5198.065533][ T10] kthread+0x28a/0x350 [ 5198.065533][ T10] ret_from_fork+0x31/0x70 [ 5198.065533][ T10] ret_from_fork_asm+0x1a/0x30 [ 5198.065533][ T10] [ 5198.067450][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5198.067450][ T10] netdev_get_by_index+0x5e/0x80 [ 5198.067450][ T10] fib6_nh_init+0x3d8/0x1580 [ 5198.067450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5198.067450][ T10] ip6_route_add+0x1c/0x140 [ 5198.067450][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5198.067450][ T10] inet6_addr_add+0x4f8/0xa40 [ 5198.067450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5198.067450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5198.067450][ T10] netlink_rcv_skb+0x130/0x360 [ 5198.067450][ T10] netlink_unicast+0x449/0x710 [ 5198.067450][ T10] netlink_sendmsg+0x723/0xbe0 [ 5198.067450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5198.067450][ T10] ___sys_sendmsg+0xee/0x170 [ 5198.067450][ T10] __sys_sendmsg+0xcd/0x170 [ 5198.067450][ T10] do_syscall_64+0xc6/0x1e0 [ 5198.067450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5198.067450][ T10] [ 5198.069435][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5198.069435][ T10] netdev_get_by_index+0x5e/0x80 [ 5198.069435][ T10] fib6_nh_init+0x3d8/0x1580 [ 5198.069435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5198.069435][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5198.069435][ T10] ipv6_add_addr+0x411/0x2000 [ 5198.069435][ T10] inet6_addr_add+0x30e/0xa40 [ 5198.069435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5198.069435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5198.069435][ T10] netlink_rcv_skb+0x130/0x360 [ 5198.069435][ T10] netlink_unicast+0x449/0x710 [ 5198.069435][ T10] netlink_sendmsg+0x723/0xbe0 [ 5198.069435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5198.069435][ T10] ___sys_sendmsg+0xee/0x170 [ 5198.069435][ T10] __sys_sendmsg+0xcd/0x170 [ 5198.069435][ T10] do_syscall_64+0xc6/0x1e0 [ 5198.069435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5198.069435][ T10] [ 5198.071436][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5198.071436][ T10] netdev_get_by_index+0x5e/0x80 [ 5198.071436][ T10] fib6_nh_init+0x3d8/0x1580 [ 5198.071436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5198.071436][ T10] ip6_route_add+0x1c/0x140 [ 5198.071436][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5198.071436][ T10] addrconf_add_dev+0xe2/0x170 [ 5198.071436][ T10] inet6_addr_add+0x12f/0xa40 [ 5198.071436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5198.071436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5198.071436][ T10] netlink_rcv_skb+0x130/0x360 [ 5198.071436][ T10] netlink_unicast+0x449/0x710 [ 5198.071436][ T10] netlink_sendmsg+0x723/0xbe0 [ 5198.071436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5198.071436][ T10] ___sys_sendmsg+0xee/0x170 [ 5198.071436][ T10] __sys_sendmsg+0xcd/0x170 [ 5198.071436][ T10] do_syscall_64+0xc6/0x1e0 [ 5198.071436][ T10] [ 5198.073392][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5198.073392][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5198.073392][ T10] ipv6_find_idev+0x102/0x170 [ 5198.073392][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5198.073392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5198.073392][ T10] netlink_rcv_skb+0x130/0x360 [ 5198.073392][ T10] netlink_unicast+0x449/0x710 [ 5198.073392][ T10] netlink_sendmsg+0x723/0xbe0 [ 5198.073392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5198.073392][ T10] ___sys_sendmsg+0xee/0x170 [ 5198.073392][ T10] __sys_sendmsg+0xcd/0x170 [ 5198.073392][ T10] do_syscall_64+0xc6/0x1e0 [ 5198.073392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5198.073392][ T10] [ 5198.074945][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5198.074945][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5198.074945][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5198.074945][ T10] ipv6_find_idev+0x102/0x170 [ 5198.074945][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5198.074945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5198.074945][ T10] netlink_rcv_skb+0x130/0x360 [ 5198.074945][ T10] netlink_unicast+0x449/0x710 [ 5198.074945][ T10] netlink_sendmsg+0x723/0xbe0 [ 5198.074945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5198.074945][ T10] ___sys_sendmsg+0xee/0x170 [ 5198.074945][ T10] __sys_sendmsg+0xcd/0x170 [ 5198.074945][ T10] do_syscall_64+0xc6/0x1e0 [ 5198.074945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5198.074945][ T10] [ 5198.076621][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5198.076889][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5198.076889][ T10] netdev_get_by_index+0x5e/0x80 [ 5198.076889][ T10] fib6_nh_init+0x3d8/0x1580 [ 5198.076889][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5198.076889][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5198.076889][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5198.076889][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5198.076889][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5198.076889][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5198.076889][ T10] addrconf_dad_begin+0x310/0x670 [ 5198.076889][ T10] addrconf_dad_work+0x10b/0xab0 [ 5198.076889][ T10] process_one_work+0x84d/0x18a0 [ 5198.076889][ T10] worker_thread+0x587/0xd30 [ 5198.076889][ T10] kthread+0x28a/0x350 [ 5198.076889][ T10] ret_from_fork+0x31/0x70 [ 5198.076889][ T10] ret_from_fork_asm+0x1a/0x30 [ 5198.076889][ T10] [ 5198.078782][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5198.078782][ T10] netdev_get_by_index+0x5e/0x80 [ 5198.078782][ T10] fib6_nh_init+0x3d8/0x1580 [ 5198.078782][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5198.078782][ T10] ip6_route_add+0x1c/0x140 [ 5198.078782][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5198.078782][ T10] inet6_addr_add+0x4f8/0xa40 [ 5198.078782][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5198.078782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5198.078782][ T10] netlink_rcv_skb+0x130/0x360 [ 5198.078782][ T10] netlink_unicast+0x449/0x710 [ 5198.078782][ T10] netlink_sendmsg+0x723/0xbe0 [ 5198.078782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5198.078782][ T10] ___sys_sendmsg+0xee/0x170 [ 5198.078782][ T10] __sys_sendmsg+0xcd/0x170 [ 5198.078782][ T10] do_syscall_64+0xc6/0x1e0 [ 5198.078782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5198.078782][ T10] [ 5198.080771][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5198.080771][ T10] netdev_get_by_index+0x5e/0x80 [ 5198.080771][ T10] fib6_nh_init+0x3d8/0x1580 [ 5198.080771][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5198.080771][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5198.080771][ T10] ipv6_add_addr+0x411/0x2000 [ 5198.080771][ T10] inet6_addr_add+0x30e/0xa40 [ 5198.080771][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5198.080771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5198.080771][ T10] netlink_rcv_skb+0x130/0x360 [ 5198.080771][ T10] netlink_unicast+0x449/0x710 [ 5198.080771][ T10] netlink_sendmsg+0x723/0xbe0 [ 5198.080771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5198.080771][ T10] ___sys_sendmsg+0xee/0x170 [ 5198.080771][ T10] __sys_sendmsg+0xcd/0x170 [ 5198.080771][ T10] do_syscall_64+0xc6/0x1e0 [ 5198.080771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5198.080771][ T10] [ 5198.082758][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5198.082758][ T10] netdev_get_by_index+0x5e/0x80 [ 5198.082758][ T10] fib6_nh_init+0x3d8/0x1580 [ 5198.082758][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5198.082758][ T10] ip6_route_add+0x1c/0x140 [ 5198.082758][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5198.082758][ T10] addrconf_add_dev+0xe2/0x170 [ 5198.082758][ T10] inet6_addr_add+0x12f/0xa40 [ 5198.082758][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5198.082758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5198.082758][ T10] netlink_rcv_skb+0x130/0x360 [ 5198.082758][ T10] netlink_unicast+0x449/0x710 [ 5198.082758][ T10] netlink_sendmsg+0x723/0xbe0 [ 5198.082758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5198.082758][ T10] ___sys_sendmsg+0xee/0x170 [ 5198.082758][ T10] __sys_sendmsg+0xcd/0x170 [ 5198.082758][ T10] do_syscall_64+0xc6/0x1e0 [ 5198.082758][ T10] [ 5198.084725][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5198.084725][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5198.084725][ T10] ipv6_find_idev+0x102/0x170 [ 5198.084725][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5198.084725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5198.084725][ T10] netlink_rcv_skb+0x130/0x360 [ 5198.084725][ T10] netlink_unicast+0x449/0x710 [ 5198.084725][ T10] netlink_sendmsg+0x723/0xbe0 [ 5198.084725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5198.084725][ T10] ___sys_sendmsg+0xee/0x170 [ 5198.084725][ T10] __sys_sendmsg+0xcd/0x170 [ 5198.084725][ T10] do_syscall_64+0xc6/0x1e0 [ 5198.084725][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5198.084725][ T10] [ 5198.086253][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5198.086253][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5198.086253][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5198.086253][ T10] ipv6_find_idev+0x102/0x170 [ 5198.086253][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5198.086253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5198.086253][ T10] netlink_rcv_skb+0x130/0x360 [ 5198.086253][ T10] netlink_unicast+0x449/0x710 [ 5198.086253][ T10] netlink_sendmsg+0x723/0xbe0 [ 5198.086253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5198.086253][ T10] ___sys_sendmsg+0xee/0x170 [ 5198.086253][ T10] __sys_sendmsg+0xcd/0x170 [ 5198.086253][ T10] do_syscall_64+0xc6/0x1e0 [ 5198.086253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5198.086253][ T10] [ 5198.087936][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5198.088188][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5198.088188][ T10] netdev_get_by_index+0x5e/0x80 [ 5198.088188][ T10] fib6_nh_init+0x3d8/0x1580 [ 5198.088188][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5198.088188][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5198.088188][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5198.088188][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5198.088188][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5198.088188][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5198.088188][ T10] addrconf_dad_begin+0x310/0x670 [ 5198.088188][ T10] addrconf_dad_work+0x10b/0xab0 [ 5198.088188][ T10] process_one_work+0x84d/0x18a0 [ 5198.088188][ T10] worker_thread+0x587/0xd30 [ 5198.088188][ T10] kthread+0x28a/0x350 [ 5198.088188][ T10] ret_from_fork+0x31/0x70 [ 5198.088188][ T10] ret_from_fork_asm+0x1a/0x30 [ 5198.088188][ T10] [ 5198.090090][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5198.090090][ T10] netdev_get_by_index+0x5e/0x80 [ 5198.090090][ T10] fib6_nh_init+0x3d8/0x1580 [ 5198.090090][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5198.090090][ T10] ip6_route_add+0x1c/0x140 [ 5198.090090][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5198.090090][ T10] inet6_addr_add+0x4f8/0xa40 [ 5198.090090][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5198.090090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5198.090090][ T10] netlink_rcv_skb+0x130/0x360 [ 5198.090090][ T10] netlink_unicast+0x449/0x710 [ 5198.090090][ T10] netlink_sendmsg+0x723/0xbe0 [ 5198.090090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5198.090090][ T10] ___sys_sendmsg+0xee/0x170 [ 5198.090090][ T10] __sys_sendmsg+0xcd/0x170 [ 5198.090090][ T10] do_syscall_64+0xc6/0x1e0 [ 5198.090090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5198.090090][ T10] [ 5198.092258][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5198.092258][ T10] netdev_get_by_index+0x5e/0x80 [ 5198.092258][ T10] fib6_nh_init+0x3d8/0x1580 [ 5198.092258][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5198.092258][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5198.092258][ T10] ipv6_add_addr+0x411/0x2000 [ 5198.092258][ T10] inet6_addr_add+0x30e/0xa40 [ 5198.092258][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5198.092258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5198.092258][ T10] netlink_rcv_skb+0x130/0x360 [ 5198.092258][ T10] netlink_unicast+0x449/0x710 [ 5198.092258][ T10] netlink_sendmsg+0x723/0xbe0 [ 5198.092258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5198.092258][ T10] ___sys_sendmsg+0xee/0x170 [ 5198.092258][ T10] __sys_sendmsg+0xcd/0x170 [ 5198.092258][ T10] do_syscall_64+0xc6/0x1e0 [ 5198.092258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5198.092258][ T10] [ 5198.094486][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5198.094486][ T10] netdev_get_by_index+0x5e/0x80 [ 5198.094486][ T10] fib6_nh_init+0x3d8/0x1580 [ 5198.094486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5198.094486][ T10] ip6_route_add+0x1c/0x140 [ 5198.094486][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5198.094486][ T10] addrconf_add_dev+0xe2/0x170 [ 5198.094486][ T10] inet6_addr_add+0x12f/0xa40 [ 5198.094486][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5198.094486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5198.094486][ T10] netlink_rcv_skb+0x130/0x360 [ 5198.094486][ T10] netlink_unicast+0x449/0x710 [ 5198.094486][ T10] netlink_sendmsg+0x723/0xbe0 [ 5198.094486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5198.094486][ T10] ___sys_sendmsg+0xee/0x170 [ 5198.094486][ T10] __sys_sendmsg+0xcd/0x170 [ 5198.094486][ T10] do_syscall_64+0xc6/0x1e0 [ 5198.094486][ T10] [ 5198.096631][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5198.096631][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5198.096631][ T10] ipv6_find_idev+0x102/0x170 [ 5198.096631][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5198.096631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5198.096631][ T10] netlink_rcv_skb+0x130/0x360 [ 5198.096631][ T10] netlink_unicast+0x449/0x710 [ 5198.096631][ T10] netlink_sendmsg+0x723/0xbe0 [ 5198.096631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5198.096631][ T10] ___sys_sendmsg+0xee/0x170 [ 5198.096631][ T10] __sys_sendmsg+0xcd/0x170 [ 5198.096631][ T10] do_syscall_64+0xc6/0x1e0 [ 5198.096631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5198.096631][ T10] [ 5198.098410][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5198.098410][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5198.098410][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5198.098410][ T10] ipv6_find_idev+0x102/0x170 [ 5198.098410][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5198.098410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5198.098410][ T10] netlink_rcv_skb+0x130/0x360 [ 5198.098410][ T10] netlink_unicast+0x449/0x710 [ 5198.098410][ T10] netlink_sendmsg+0x723/0xbe0 [ 5198.098410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5198.098410][ T10] ___sys_sendmsg+0xee/0x170 [ 5198.098410][ T10] __sys_sendmsg+0xcd/0x170 [ 5198.098410][ T10] do_syscall_64+0xc6/0x1e0 [ 5198.098410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5198.098410][ T10] [ 5198.100319][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5198.100560][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5198.100560][ T10] netdev_get_by_index+0x5e/0x80 [ 5198.100560][ T10] fib6_nh_init+0x3d8/0x1580 [ 5198.100560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5198.100560][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5198.100560][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5198.100560][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5198.100560][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5198.100560][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5198.100560][ T10] addrconf_dad_begin+0x310/0x670 [ 5198.100560][ T10] addrconf_dad_work+0x10b/0xab0 [ 5198.100560][ T10] process_one_work+0x84d/0x18a0 [ 5198.100560][ T10] worker_thread+0x587/0xd30 [ 5198.100560][ T10] kthread+0x28a/0x350 [ 5198.100560][ T10] ret_from_fork+0x31/0x70 [ 5198.100560][ T10] ret_from_fork_asm+0x1a/0x30 [ 5198.100560][ T10] [ 5198.102713][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5198.102713][ T10] netdev_get_by_index+0x5e/0x80 [ 5198.102713][ T10] fib6_nh_init+0x3d8/0x1580 [ 5198.102713][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5198.102713][ T10] ip6_route_add+0x1c/0x140 [ 5198.102713][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5198.102713][ T10] inet6_addr_add+0x4f8/0xa40 [ 5198.102713][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5198.102713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5198.102713][ T10] netlink_rcv_skb+0x130/0x360 [ 5198.102713][ T10] netlink_unicast+0x449/0x710 [ 5198.102713][ T10] netlink_sendmsg+0x723/0xbe0 [ 5198.102713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5198.102713][ T10] ___sys_sendmsg+0xee/0x170 [ 5198.102713][ T10] __sys_sendmsg+0xcd/0x170 [ 5198.102713][ T10] do_syscall_64+0xc6/0x1e0 [ 5198.102713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5198.102713][ T10] [ 5198.104892][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5198.104892][ T10] netdev_get_by_index+0x5e/0x80 [ 5198.104892][ T10] fib6_nh_init+0x3d8/0x1580 [ 5198.104892][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5198.104892][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5198.104892][ T10] ipv6_add_addr+0x411/0x2000 [ 5198.104892][ T10] inet6_addr_add+0x30e/0xa40 [ 5198.104892][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5198.104892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5198.104892][ T10] netlink_rcv_skb+0x130/0x360 [ 5198.104892][ T10] netlink_unicast+0x449/0x710 [ 5198.104892][ T10] netlink_sendmsg+0x723/0xbe0 [ 5198.104892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5198.104892][ T10] ___sys_sendmsg+0xee/0x170 [ 5198.104892][ T10] __sys_sendmsg+0xcd/0x170 [ 5198.104892][ T10] do_syscall_64+0xc6/0x1e0 [ 5198.104892][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5198.104892][ T10] [ 5198.107194][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5198.107194][ T10] netdev_get_by_index+0x5e/0x80 [ 5198.107194][ T10] fib6_nh_init+0x3d8/0x1580 [ 5198.107194][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5198.107194][ T10] ip6_route_add+0x1c/0x140 [ 5198.107194][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5198.107194][ T10] addrconf_add_dev+0xe2/0x170 [ 5198.107194][ T10] inet6_addr_add+0x12f/0xa40 [ 5198.107194][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5198.107194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5198.107194][ T10] netlink_rcv_skb+0x130/0x360 [ 5198.107194][ T10] netlink_unicast+0x449/0x710 [ 5198.107194][ T10] netlink_sendmsg+0x723/0xbe0 [ 5198.107194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5198.107194][ T10] ___sys_sendmsg+0xee/0x170 [ 5198.107194][ T10] __sys_sendmsg+0xcd/0x170 [ 5198.107194][ T10] do_syscall_64+0xc6/0x1e0 [ 5198.107194][ T10] [ 5198.109394][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5198.109394][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5198.109394][ T10] ipv6_find_idev+0x102/0x170 [ 5198.109394][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5198.109394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5198.109394][ T10] netlink_rcv_skb+0x130/0x360 [ 5198.109394][ T10] netlink_unicast+0x449/0x710 [ 5198.109394][ T10] netlink_sendmsg+0x723/0xbe0 [ 5198.109394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5198.109394][ T10] ___sys_sendmsg+0xee/0x170 [ 5198.109394][ T10] __sys_sendmsg+0xcd/0x170 [ 5198.109394][ T10] do_syscall_64+0xc6/0x1e0 [ 5198.109394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5198.109394][ T10] [ 5198.111108][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5198.111108][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5198.111108][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5198.111108][ T10] ipv6_find_idev+0x102/0x170 [ 5198.111108][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5198.111108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5198.111108][ T10] netlink_rcv_skb+0x130/0x360 [ 5198.111108][ T10] netlink_unicast+0x449/0x710 [ 5198.111108][ T10] netlink_sendmsg+0x723/0xbe0 [ 5198.111108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5198.111108][ T10] ___sys_sendmsg+0xee/0x170 [ 5198.111108][ T10] __sys_sendmsg+0xcd/0x170 [ 5198.111108][ T10] do_syscall_64+0xc6/0x1e0 [ 5198.111108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5198.111108][ T10] [ 5200.681188][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5200.681663][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5200.681663][ T1167] dst_init+0x84/0x4a0 [ 5200.681663][ T1167] dst_alloc+0x97/0x150 [ 5200.681663][ T1167] ip6_dst_alloc+0x23/0x90 [ 5200.681663][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5200.681663][ T1167] ip6_pol_route+0x56f/0x840 [ 5200.681663][ T1167] fib6_rule_lookup+0x334/0x630 [ 5200.681663][ T1167] ip6_route_output_flags+0x259/0x480 [ 5200.681663][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5200.681663][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5200.681663][ T1167] netlink_rcv_skb+0x130/0x360 [ 5200.681663][ T1167] netlink_unicast+0x449/0x710 [ 5200.681663][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5200.681663][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5200.681663][ T1167] ___sys_sendmsg+0xee/0x170 [ 5200.681663][ T1167] __sys_sendmsg+0xcd/0x170 [ 5200.681663][ T1167] do_syscall_64+0xc6/0x1e0 [ 5200.681663][ T1167] [ 5200.683889][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5200.683889][ T1167] netdev_get_by_index+0x5e/0x80 [ 5200.683889][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5200.683889][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5200.683889][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5200.683889][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5200.683889][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5200.683889][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5200.683889][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5200.683889][ T1167] addrconf_dad_begin+0x310/0x670 [ 5200.683889][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5200.683889][ T1167] process_one_work+0x84d/0x18a0 [ 5200.683889][ T1167] worker_thread+0x587/0xd30 [ 5200.683889][ T1167] kthread+0x28a/0x350 [ 5200.683889][ T1167] ret_from_fork+0x31/0x70 [ 5200.683889][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5200.683889][ T1167] [ 5200.686060][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5200.686060][ T1167] netdev_get_by_index+0x5e/0x80 [ 5200.686060][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5200.686060][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5200.686060][ T1167] ip6_route_add+0x1c/0x140 [ 5200.686060][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5200.686060][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5200.686060][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5200.686060][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5200.686060][ T1167] netlink_rcv_skb+0x130/0x360 [ 5200.686060][ T1167] netlink_unicast+0x449/0x710 [ 5200.686060][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5200.686060][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5200.686060][ T1167] ___sys_sendmsg+0xee/0x170 [ 5200.686060][ T1167] __sys_sendmsg+0xcd/0x170 [ 5200.686060][ T1167] do_syscall_64+0xc6/0x1e0 [ 5200.686060][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5200.686060][ T1167] [ 5200.688323][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5200.688323][ T1167] netdev_get_by_index+0x5e/0x80 [ 5200.688323][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5200.688323][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5200.688323][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5200.688323][ T1167] ipv6_add_addr+0x411/0x2000 [ 5200.688323][ T1167] inet6_addr_add+0x30e/0xa40 [ 5200.688323][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5200.688323][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5200.688323][ T1167] netlink_rcv_skb+0x130/0x360 [ 5200.688323][ T1167] netlink_unicast+0x449/0x710 [ 5200.688323][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5200.688323][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5200.688323][ T1167] ___sys_sendmsg+0xee/0x170 [ 5200.688323][ T1167] __sys_sendmsg+0xcd/0x170 [ 5200.688323][ T1167] do_syscall_64+0xc6/0x1e0 [ 5200.688323][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5200.688323][ T1167] [ 5200.690573][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5200.690573][ T1167] netdev_get_by_index+0x5e/0x80 [ 5200.690573][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5200.690573][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5200.690573][ T1167] ip6_route_add+0x1c/0x140 [ 5200.690573][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5200.690573][ T1167] addrconf_add_dev+0xe2/0x170 [ 5200.690573][ T1167] inet6_addr_add+0x12f/0xa40 [ 5200.690573][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5200.690573][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5200.690573][ T1167] netlink_rcv_skb+0x130/0x360 [ 5200.690573][ T1167] netlink_unicast+0x449/0x710 [ 5200.690573][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5200.690573][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5200.690573][ T1167] ___sys_sendmsg+0xee/0x170 [ 5200.690573][ T1167] __sys_sendmsg+0xcd/0x170 [ 5200.690573][ T1167] do_syscall_64+0xc6/0x1e0 [ 5200.690573][ T1167] [ 5200.692792][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5200.692792][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5200.692792][ T1167] ipv6_find_idev+0x102/0x170 [ 5200.692792][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5200.692792][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5200.692792][ T1167] netlink_rcv_skb+0x130/0x360 [ 5200.692792][ T1167] netlink_unicast+0x449/0x710 [ 5200.692792][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5200.692792][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5200.692792][ T1167] ___sys_sendmsg+0xee/0x170 [ 5200.692792][ T1167] __sys_sendmsg+0xcd/0x170 [ 5200.692792][ T1167] do_syscall_64+0xc6/0x1e0 [ 5200.692792][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5200.692792][ T1167] [ 5200.694537][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5200.694537][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5200.694537][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5200.694537][ T1167] ipv6_find_idev+0x102/0x170 [ 5200.694537][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5200.694537][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5200.694537][ T1167] netlink_rcv_skb+0x130/0x360 [ 5200.694537][ T1167] netlink_unicast+0x449/0x710 [ 5200.694537][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5200.694537][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5200.694537][ T1167] ___sys_sendmsg+0xee/0x170 [ 5200.694537][ T1167] __sys_sendmsg+0xcd/0x170 [ 5200.694537][ T1167] do_syscall_64+0xc6/0x1e0 [ 5200.694537][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5200.694537][ T1167] [ 5208.353108][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5208.353518][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5208.353518][ T10] netdev_get_by_index+0x5e/0x80 [ 5208.353518][ T10] fib6_nh_init+0x3d8/0x1580 [ 5208.353518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5208.353518][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5208.353518][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5208.353518][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5208.353518][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5208.353518][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5208.353518][ T10] addrconf_dad_begin+0x310/0x670 [ 5208.353518][ T10] addrconf_dad_work+0x10b/0xab0 [ 5208.353518][ T10] process_one_work+0x84d/0x18a0 [ 5208.353518][ T10] worker_thread+0x587/0xd30 [ 5208.353518][ T10] kthread+0x28a/0x350 [ 5208.353518][ T10] ret_from_fork+0x31/0x70 [ 5208.353518][ T10] ret_from_fork_asm+0x1a/0x30 [ 5208.353518][ T10] [ 5208.355476][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5208.355476][ T10] netdev_get_by_index+0x5e/0x80 [ 5208.355476][ T10] fib6_nh_init+0x3d8/0x1580 [ 5208.355476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5208.355476][ T10] ip6_route_add+0x1c/0x140 [ 5208.355476][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5208.355476][ T10] inet6_addr_add+0x4f8/0xa40 [ 5208.355476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5208.355476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5208.355476][ T10] netlink_rcv_skb+0x130/0x360 [ 5208.355476][ T10] netlink_unicast+0x449/0x710 [ 5208.355476][ T10] netlink_sendmsg+0x723/0xbe0 [ 5208.355476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5208.355476][ T10] ___sys_sendmsg+0xee/0x170 [ 5208.355476][ T10] __sys_sendmsg+0xcd/0x170 [ 5208.355476][ T10] do_syscall_64+0xc6/0x1e0 [ 5208.355476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5208.355476][ T10] [ 5208.357502][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5208.357502][ T10] netdev_get_by_index+0x5e/0x80 [ 5208.357502][ T10] fib6_nh_init+0x3d8/0x1580 [ 5208.357502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5208.357502][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5208.357502][ T10] ipv6_add_addr+0x411/0x2000 [ 5208.357502][ T10] inet6_addr_add+0x30e/0xa40 [ 5208.357502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5208.357502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5208.357502][ T10] netlink_rcv_skb+0x130/0x360 [ 5208.357502][ T10] netlink_unicast+0x449/0x710 [ 5208.357502][ T10] netlink_sendmsg+0x723/0xbe0 [ 5208.357502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5208.357502][ T10] ___sys_sendmsg+0xee/0x170 [ 5208.357502][ T10] __sys_sendmsg+0xcd/0x170 [ 5208.357502][ T10] do_syscall_64+0xc6/0x1e0 [ 5208.357502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5208.357502][ T10] [ 5208.359521][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5208.359521][ T10] netdev_get_by_index+0x5e/0x80 [ 5208.359521][ T10] fib6_nh_init+0x3d8/0x1580 [ 5208.359521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5208.359521][ T10] ip6_route_add+0x1c/0x140 [ 5208.359521][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5208.359521][ T10] addrconf_add_dev+0xe2/0x170 [ 5208.359521][ T10] inet6_addr_add+0x12f/0xa40 [ 5208.359521][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5208.359521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5208.359521][ T10] netlink_rcv_skb+0x130/0x360 [ 5208.359521][ T10] netlink_unicast+0x449/0x710 [ 5208.359521][ T10] netlink_sendmsg+0x723/0xbe0 [ 5208.359521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5208.359521][ T10] ___sys_sendmsg+0xee/0x170 [ 5208.359521][ T10] __sys_sendmsg+0xcd/0x170 [ 5208.359521][ T10] do_syscall_64+0xc6/0x1e0 [ 5208.359521][ T10] [ 5208.361494][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5208.361494][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5208.361494][ T10] ipv6_find_idev+0x102/0x170 [ 5208.361494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5208.361494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5208.361494][ T10] netlink_rcv_skb+0x130/0x360 [ 5208.361494][ T10] netlink_unicast+0x449/0x710 [ 5208.361494][ T10] netlink_sendmsg+0x723/0xbe0 [ 5208.361494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5208.361494][ T10] ___sys_sendmsg+0xee/0x170 [ 5208.361494][ T10] __sys_sendmsg+0xcd/0x170 [ 5208.361494][ T10] do_syscall_64+0xc6/0x1e0 [ 5208.361494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5208.361494][ T10] [ 5208.363054][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5208.363054][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5208.363054][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5208.363054][ T10] ipv6_find_idev+0x102/0x170 [ 5208.363054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5208.363054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5208.363054][ T10] netlink_rcv_skb+0x130/0x360 [ 5208.363054][ T10] netlink_unicast+0x449/0x710 [ 5208.363054][ T10] netlink_sendmsg+0x723/0xbe0 [ 5208.363054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5208.363054][ T10] ___sys_sendmsg+0xee/0x170 [ 5208.363054][ T10] __sys_sendmsg+0xcd/0x170 [ 5208.363054][ T10] do_syscall_64+0xc6/0x1e0 [ 5208.363054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5208.363054][ T10] [ 5208.364760][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5208.365024][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5208.365024][ T10] netdev_get_by_index+0x5e/0x80 [ 5208.365024][ T10] fib6_nh_init+0x3d8/0x1580 [ 5208.365024][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5208.365024][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5208.365024][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5208.365024][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5208.365024][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5208.365024][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5208.365024][ T10] addrconf_dad_begin+0x310/0x670 [ 5208.365024][ T10] addrconf_dad_work+0x10b/0xab0 [ 5208.365024][ T10] process_one_work+0x84d/0x18a0 [ 5208.365024][ T10] worker_thread+0x587/0xd30 [ 5208.365024][ T10] kthread+0x28a/0x350 [ 5208.365024][ T10] ret_from_fork+0x31/0x70 [ 5208.365024][ T10] ret_from_fork_asm+0x1a/0x30 [ 5208.365024][ T10] [ 5208.366928][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5208.366928][ T10] netdev_get_by_index+0x5e/0x80 [ 5208.366928][ T10] fib6_nh_init+0x3d8/0x1580 [ 5208.366928][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5208.366928][ T10] ip6_route_add+0x1c/0x140 [ 5208.366928][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5208.366928][ T10] inet6_addr_add+0x4f8/0xa40 [ 5208.366928][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5208.366928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5208.366928][ T10] netlink_rcv_skb+0x130/0x360 [ 5208.366928][ T10] netlink_unicast+0x449/0x710 [ 5208.366928][ T10] netlink_sendmsg+0x723/0xbe0 [ 5208.366928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5208.366928][ T10] ___sys_sendmsg+0xee/0x170 [ 5208.366928][ T10] __sys_sendmsg+0xcd/0x170 [ 5208.366928][ T10] do_syscall_64+0xc6/0x1e0 [ 5208.366928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5208.366928][ T10] [ 5208.368932][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5208.368932][ T10] netdev_get_by_index+0x5e/0x80 [ 5208.368932][ T10] fib6_nh_init+0x3d8/0x1580 [ 5208.368932][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5208.368932][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5208.368932][ T10] ipv6_add_addr+0x411/0x2000 [ 5208.368932][ T10] inet6_addr_add+0x30e/0xa40 [ 5208.368932][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5208.368932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5208.368932][ T10] netlink_rcv_skb+0x130/0x360 [ 5208.368932][ T10] netlink_unicast+0x449/0x710 [ 5208.368932][ T10] netlink_sendmsg+0x723/0xbe0 [ 5208.368932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5208.368932][ T10] ___sys_sendmsg+0xee/0x170 [ 5208.368932][ T10] __sys_sendmsg+0xcd/0x170 [ 5208.368932][ T10] do_syscall_64+0xc6/0x1e0 [ 5208.368932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5208.368932][ T10] [ 5208.370944][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5208.370944][ T10] netdev_get_by_index+0x5e/0x80 [ 5208.370944][ T10] fib6_nh_init+0x3d8/0x1580 [ 5208.370944][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5208.370944][ T10] ip6_route_add+0x1c/0x140 [ 5208.370944][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5208.370944][ T10] addrconf_add_dev+0xe2/0x170 [ 5208.370944][ T10] inet6_addr_add+0x12f/0xa40 [ 5208.370944][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5208.370944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5208.370944][ T10] netlink_rcv_skb+0x130/0x360 [ 5208.370944][ T10] netlink_unicast+0x449/0x710 [ 5208.370944][ T10] netlink_sendmsg+0x723/0xbe0 [ 5208.370944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5208.370944][ T10] ___sys_sendmsg+0xee/0x170 [ 5208.370944][ T10] __sys_sendmsg+0xcd/0x170 [ 5208.370944][ T10] do_syscall_64+0xc6/0x1e0 [ 5208.370944][ T10] [ 5208.372905][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5208.372905][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5208.372905][ T10] ipv6_find_idev+0x102/0x170 [ 5208.372905][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5208.372905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5208.372905][ T10] netlink_rcv_skb+0x130/0x360 [ 5208.372905][ T10] netlink_unicast+0x449/0x710 [ 5208.372905][ T10] netlink_sendmsg+0x723/0xbe0 [ 5208.372905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5208.372905][ T10] ___sys_sendmsg+0xee/0x170 [ 5208.372905][ T10] __sys_sendmsg+0xcd/0x170 [ 5208.372905][ T10] do_syscall_64+0xc6/0x1e0 [ 5208.372905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5208.372905][ T10] [ 5208.374459][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5208.374459][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5208.374459][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5208.374459][ T10] ipv6_find_idev+0x102/0x170 [ 5208.374459][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5208.374459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5208.374459][ T10] netlink_rcv_skb+0x130/0x360 [ 5208.374459][ T10] netlink_unicast+0x449/0x710 [ 5208.374459][ T10] netlink_sendmsg+0x723/0xbe0 [ 5208.374459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5208.374459][ T10] ___sys_sendmsg+0xee/0x170 [ 5208.374459][ T10] __sys_sendmsg+0xcd/0x170 [ 5208.374459][ T10] do_syscall_64+0xc6/0x1e0 [ 5208.374459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5208.374459][ T10] [ 5208.376160][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5208.376412][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5208.376412][ T10] netdev_get_by_index+0x5e/0x80 [ 5208.376412][ T10] fib6_nh_init+0x3d8/0x1580 [ 5208.376412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5208.376412][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5208.376412][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5208.376412][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5208.376412][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5208.376412][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5208.376412][ T10] addrconf_dad_begin+0x310/0x670 [ 5208.376412][ T10] addrconf_dad_work+0x10b/0xab0 [ 5208.376412][ T10] process_one_work+0x84d/0x18a0 [ 5208.376412][ T10] worker_thread+0x587/0xd30 [ 5208.376412][ T10] kthread+0x28a/0x350 [ 5208.376412][ T10] ret_from_fork+0x31/0x70 [ 5208.376412][ T10] ret_from_fork_asm+0x1a/0x30 [ 5208.376412][ T10] [ 5208.378321][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5208.378321][ T10] netdev_get_by_index+0x5e/0x80 [ 5208.378321][ T10] fib6_nh_init+0x3d8/0x1580 [ 5208.378321][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5208.378321][ T10] ip6_route_add+0x1c/0x140 [ 5208.378321][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5208.378321][ T10] inet6_addr_add+0x4f8/0xa40 [ 5208.378321][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5208.378321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5208.378321][ T10] netlink_rcv_skb+0x130/0x360 [ 5208.378321][ T10] netlink_unicast+0x449/0x710 [ 5208.378321][ T10] netlink_sendmsg+0x723/0xbe0 [ 5208.378321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5208.378321][ T10] ___sys_sendmsg+0xee/0x170 [ 5208.378321][ T10] __sys_sendmsg+0xcd/0x170 [ 5208.378321][ T10] do_syscall_64+0xc6/0x1e0 [ 5208.378321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5208.378321][ T10] [ 5208.380454][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5208.380454][ T10] netdev_get_by_index+0x5e/0x80 [ 5208.380454][ T10] fib6_nh_init+0x3d8/0x1580 [ 5208.380454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5208.380454][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5208.380454][ T10] ipv6_add_addr+0x411/0x2000 [ 5208.380454][ T10] inet6_addr_add+0x30e/0xa40 [ 5208.380454][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5208.380454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5208.380454][ T10] netlink_rcv_skb+0x130/0x360 [ 5208.380454][ T10] netlink_unicast+0x449/0x710 [ 5208.380454][ T10] netlink_sendmsg+0x723/0xbe0 [ 5208.380454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5208.380454][ T10] ___sys_sendmsg+0xee/0x170 [ 5208.380454][ T10] __sys_sendmsg+0xcd/0x170 [ 5208.380454][ T10] do_syscall_64+0xc6/0x1e0 [ 5208.380454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5208.380454][ T10] [ 5208.382601][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5208.382601][ T10] netdev_get_by_index+0x5e/0x80 [ 5208.382601][ T10] fib6_nh_init+0x3d8/0x1580 [ 5208.382601][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5208.382601][ T10] ip6_route_add+0x1c/0x140 [ 5208.382601][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5208.382601][ T10] addrconf_add_dev+0xe2/0x170 [ 5208.382601][ T10] inet6_addr_add+0x12f/0xa40 [ 5208.382601][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5208.382601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5208.382601][ T10] netlink_rcv_skb+0x130/0x360 [ 5208.382601][ T10] netlink_unicast+0x449/0x710 [ 5208.382601][ T10] netlink_sendmsg+0x723/0xbe0 [ 5208.382601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5208.382601][ T10] ___sys_sendmsg+0xee/0x170 [ 5208.382601][ T10] __sys_sendmsg+0xcd/0x170 [ 5208.382601][ T10] do_syscall_64+0xc6/0x1e0 [ 5208.382601][ T10] [ 5208.384728][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5208.384728][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5208.384728][ T10] ipv6_find_idev+0x102/0x170 [ 5208.384728][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5208.384728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5208.384728][ T10] netlink_rcv_skb+0x130/0x360 [ 5208.384728][ T10] netlink_unicast+0x449/0x710 [ 5208.384728][ T10] netlink_sendmsg+0x723/0xbe0 [ 5208.384728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5208.384728][ T10] ___sys_sendmsg+0xee/0x170 [ 5208.384728][ T10] __sys_sendmsg+0xcd/0x170 [ 5208.384728][ T10] do_syscall_64+0xc6/0x1e0 [ 5208.384728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5208.384728][ T10] [ 5208.386919][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5208.386919][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5208.386919][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5208.386919][ T10] ipv6_find_idev+0x102/0x170 [ 5208.386919][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5208.386919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5208.386919][ T10] netlink_rcv_skb+0x130/0x360 [ 5208.386919][ T10] netlink_unicast+0x449/0x710 [ 5208.386919][ T10] netlink_sendmsg+0x723/0xbe0 [ 5208.386919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5208.386919][ T10] ___sys_sendmsg+0xee/0x170 [ 5208.386919][ T10] __sys_sendmsg+0xcd/0x170 [ 5208.386919][ T10] do_syscall_64+0xc6/0x1e0 [ 5208.386919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5208.386919][ T10] [ 5208.388673][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5208.388914][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5208.388914][ T10] netdev_get_by_index+0x5e/0x80 [ 5208.388914][ T10] fib6_nh_init+0x3d8/0x1580 [ 5208.388914][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5208.388914][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5208.388914][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5208.388914][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5208.388914][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5208.388914][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5208.388914][ T10] addrconf_dad_begin+0x310/0x670 [ 5208.388914][ T10] addrconf_dad_work+0x10b/0xab0 [ 5208.388914][ T10] process_one_work+0x84d/0x18a0 [ 5208.388914][ T10] worker_thread+0x587/0xd30 [ 5208.388914][ T10] kthread+0x28a/0x350 [ 5208.388914][ T10] ret_from_fork+0x31/0x70 [ 5208.388914][ T10] ret_from_fork_asm+0x1a/0x30 [ 5208.388914][ T10] [ 5208.390960][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5208.390960][ T10] netdev_get_by_index+0x5e/0x80 [ 5208.390960][ T10] fib6_nh_init+0x3d8/0x1580 [ 5208.390960][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5208.390960][ T10] ip6_route_add+0x1c/0x140 [ 5208.390960][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5208.390960][ T10] inet6_addr_add+0x4f8/0xa40 [ 5208.390960][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5208.390960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5208.390960][ T10] netlink_rcv_skb+0x130/0x360 [ 5208.390960][ T10] netlink_unicast+0x449/0x710 [ 5208.390960][ T10] netlink_sendmsg+0x723/0xbe0 [ 5208.390960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5208.390960][ T10] ___sys_sendmsg+0xee/0x170 [ 5208.390960][ T10] __sys_sendmsg+0xcd/0x170 [ 5208.390960][ T10] do_syscall_64+0xc6/0x1e0 [ 5208.390960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5208.390960][ T10] [ 5208.393081][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5208.393081][ T10] netdev_get_by_index+0x5e/0x80 [ 5208.393081][ T10] fib6_nh_init+0x3d8/0x1580 [ 5208.393081][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5208.393081][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5208.393081][ T10] ipv6_add_addr+0x411/0x2000 [ 5208.393081][ T10] inet6_addr_add+0x30e/0xa40 [ 5208.393081][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5208.393081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5208.393081][ T10] netlink_rcv_skb+0x130/0x360 [ 5208.393081][ T10] netlink_unicast+0x449/0x710 [ 5208.393081][ T10] netlink_sendmsg+0x723/0xbe0 [ 5208.393081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5208.393081][ T10] ___sys_sendmsg+0xee/0x170 [ 5208.393081][ T10] __sys_sendmsg+0xcd/0x170 [ 5208.393081][ T10] do_syscall_64+0xc6/0x1e0 [ 5208.393081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5208.393081][ T10] [ 5208.395219][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5208.395219][ T10] netdev_get_by_index+0x5e/0x80 [ 5208.395219][ T10] fib6_nh_init+0x3d8/0x1580 [ 5208.395219][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5208.395219][ T10] ip6_route_add+0x1c/0x140 [ 5208.395219][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5208.395219][ T10] addrconf_add_dev+0xe2/0x170 [ 5208.395219][ T10] inet6_addr_add+0x12f/0xa40 [ 5208.395219][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5208.395219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5208.395219][ T10] netlink_rcv_skb+0x130/0x360 [ 5208.395219][ T10] netlink_unicast+0x449/0x710 [ 5208.395219][ T10] netlink_sendmsg+0x723/0xbe0 [ 5208.395219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5208.395219][ T10] ___sys_sendmsg+0xee/0x170 [ 5208.395219][ T10] __sys_sendmsg+0xcd/0x170 [ 5208.395219][ T10] do_syscall_64+0xc6/0x1e0 [ 5208.395219][ T10] [ 5208.397310][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5208.397310][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5208.397310][ T10] ipv6_find_idev+0x102/0x170 [ 5208.397310][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5208.397310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5208.397310][ T10] netlink_rcv_skb+0x130/0x360 [ 5208.397310][ T10] netlink_unicast+0x449/0x710 [ 5208.397310][ T10] netlink_sendmsg+0x723/0xbe0 [ 5208.397310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5208.397310][ T10] ___sys_sendmsg+0xee/0x170 [ 5208.397310][ T10] __sys_sendmsg+0xcd/0x170 [ 5208.397310][ T10] do_syscall_64+0xc6/0x1e0 [ 5208.397310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5208.397310][ T10] [ 5208.398916][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5208.398916][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5208.398916][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5208.398916][ T10] ipv6_find_idev+0x102/0x170 [ 5208.398916][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5208.398916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5208.398916][ T10] netlink_rcv_skb+0x130/0x360 [ 5208.398916][ T10] netlink_unicast+0x449/0x710 [ 5208.398916][ T10] netlink_sendmsg+0x723/0xbe0 [ 5208.398916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5208.398916][ T10] ___sys_sendmsg+0xee/0x170 [ 5208.398916][ T10] __sys_sendmsg+0xcd/0x170 [ 5208.398916][ T10] do_syscall_64+0xc6/0x1e0 [ 5208.398916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5208.398916][ T10] [ 5210.857111][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5210.857591][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5210.857591][ T1167] dst_init+0x84/0x4a0 [ 5210.857591][ T1167] dst_alloc+0x97/0x150 [ 5210.857591][ T1167] ip6_dst_alloc+0x23/0x90 [ 5210.857591][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5210.857591][ T1167] ip6_pol_route+0x56f/0x840 [ 5210.857591][ T1167] fib6_rule_lookup+0x334/0x630 [ 5210.857591][ T1167] ip6_route_output_flags+0x259/0x480 [ 5210.857591][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5210.857591][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5210.857591][ T1167] netlink_rcv_skb+0x130/0x360 [ 5210.857591][ T1167] netlink_unicast+0x449/0x710 [ 5210.857591][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5210.857591][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5210.857591][ T1167] ___sys_sendmsg+0xee/0x170 [ 5210.857591][ T1167] __sys_sendmsg+0xcd/0x170 [ 5210.857591][ T1167] do_syscall_64+0xc6/0x1e0 [ 5210.857591][ T1167] [ 5210.860058][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5210.860058][ T1167] netdev_get_by_index+0x5e/0x80 [ 5210.860058][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5210.860058][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5210.860058][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5210.860058][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5210.860058][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5210.860058][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5210.860058][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5210.860058][ T1167] addrconf_dad_begin+0x310/0x670 [ 5210.860058][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5210.860058][ T1167] process_one_work+0x84d/0x18a0 [ 5210.860058][ T1167] worker_thread+0x587/0xd30 [ 5210.860058][ T1167] kthread+0x28a/0x350 [ 5210.860058][ T1167] ret_from_fork+0x31/0x70 [ 5210.860058][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5210.860058][ T1167] [ 5210.862448][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5210.862448][ T1167] netdev_get_by_index+0x5e/0x80 [ 5210.862448][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5210.862448][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5210.862448][ T1167] ip6_route_add+0x1c/0x140 [ 5210.862448][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5210.862448][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5210.862448][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5210.862448][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5210.862448][ T1167] netlink_rcv_skb+0x130/0x360 [ 5210.862448][ T1167] netlink_unicast+0x449/0x710 [ 5210.862448][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5210.862448][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5210.862448][ T1167] ___sys_sendmsg+0xee/0x170 [ 5210.862448][ T1167] __sys_sendmsg+0xcd/0x170 [ 5210.862448][ T1167] do_syscall_64+0xc6/0x1e0 [ 5210.862448][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5210.862448][ T1167] [ 5210.864964][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5210.864964][ T1167] netdev_get_by_index+0x5e/0x80 [ 5210.864964][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5210.864964][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5210.864964][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5210.864964][ T1167] ipv6_add_addr+0x411/0x2000 [ 5210.864964][ T1167] inet6_addr_add+0x30e/0xa40 [ 5210.864964][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5210.864964][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5210.864964][ T1167] netlink_rcv_skb+0x130/0x360 [ 5210.864964][ T1167] netlink_unicast+0x449/0x710 [ 5210.864964][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5210.864964][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5210.864964][ T1167] ___sys_sendmsg+0xee/0x170 [ 5210.864964][ T1167] __sys_sendmsg+0xcd/0x170 [ 5210.864964][ T1167] do_syscall_64+0xc6/0x1e0 [ 5210.864964][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5210.864964][ T1167] [ 5210.867464][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5210.867464][ T1167] netdev_get_by_index+0x5e/0x80 [ 5210.867464][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5210.867464][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5210.867464][ T1167] ip6_route_add+0x1c/0x140 [ 5210.867464][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5210.867464][ T1167] addrconf_add_dev+0xe2/0x170 [ 5210.867464][ T1167] inet6_addr_add+0x12f/0xa40 [ 5210.867464][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5210.867464][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5210.867464][ T1167] netlink_rcv_skb+0x130/0x360 [ 5210.867464][ T1167] netlink_unicast+0x449/0x710 [ 5210.867464][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5210.867464][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5210.867464][ T1167] ___sys_sendmsg+0xee/0x170 [ 5210.867464][ T1167] __sys_sendmsg+0xcd/0x170 [ 5210.867464][ T1167] do_syscall_64+0xc6/0x1e0 [ 5210.867464][ T1167] [ 5210.869921][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5210.869921][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5210.869921][ T1167] ipv6_find_idev+0x102/0x170 [ 5210.869921][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5210.869921][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5210.869921][ T1167] netlink_rcv_skb+0x130/0x360 [ 5210.869921][ T1167] netlink_unicast+0x449/0x710 [ 5210.869921][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5210.869921][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5210.869921][ T1167] ___sys_sendmsg+0xee/0x170 [ 5210.869921][ T1167] __sys_sendmsg+0xcd/0x170 [ 5210.869921][ T1167] do_syscall_64+0xc6/0x1e0 [ 5210.869921][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5210.869921][ T1167] [ 5210.871852][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5210.871852][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5210.871852][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5210.871852][ T1167] ipv6_find_idev+0x102/0x170 [ 5210.871852][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5210.871852][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5210.871852][ T1167] netlink_rcv_skb+0x130/0x360 [ 5210.871852][ T1167] netlink_unicast+0x449/0x710 [ 5210.871852][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5210.871852][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5210.871852][ T1167] ___sys_sendmsg+0xee/0x170 [ 5210.871852][ T1167] __sys_sendmsg+0xcd/0x170 [ 5210.871852][ T1167] do_syscall_64+0xc6/0x1e0 [ 5210.871852][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5210.871852][ T1167] [ 5218.649107][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5218.649527][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5218.649527][ T10] netdev_get_by_index+0x5e/0x80 [ 5218.649527][ T10] fib6_nh_init+0x3d8/0x1580 [ 5218.649527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5218.649527][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5218.649527][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5218.649527][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5218.649527][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5218.649527][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5218.649527][ T10] addrconf_dad_begin+0x310/0x670 [ 5218.649527][ T10] addrconf_dad_work+0x10b/0xab0 [ 5218.649527][ T10] process_one_work+0x84d/0x18a0 [ 5218.649527][ T10] worker_thread+0x587/0xd30 [ 5218.649527][ T10] kthread+0x28a/0x350 [ 5218.649527][ T10] ret_from_fork+0x31/0x70 [ 5218.649527][ T10] ret_from_fork_asm+0x1a/0x30 [ 5218.649527][ T10] [ 5218.651504][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5218.651504][ T10] netdev_get_by_index+0x5e/0x80 [ 5218.651504][ T10] fib6_nh_init+0x3d8/0x1580 [ 5218.651504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5218.651504][ T10] ip6_route_add+0x1c/0x140 [ 5218.651504][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5218.651504][ T10] inet6_addr_add+0x4f8/0xa40 [ 5218.651504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5218.651504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5218.651504][ T10] netlink_rcv_skb+0x130/0x360 [ 5218.651504][ T10] netlink_unicast+0x449/0x710 [ 5218.651504][ T10] netlink_sendmsg+0x723/0xbe0 [ 5218.651504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5218.651504][ T10] ___sys_sendmsg+0xee/0x170 [ 5218.651504][ T10] __sys_sendmsg+0xcd/0x170 [ 5218.651504][ T10] do_syscall_64+0xc6/0x1e0 [ 5218.651504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5218.651504][ T10] [ 5218.653513][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5218.653513][ T10] netdev_get_by_index+0x5e/0x80 [ 5218.653513][ T10] fib6_nh_init+0x3d8/0x1580 [ 5218.653513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5218.653513][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5218.653513][ T10] ipv6_add_addr+0x411/0x2000 [ 5218.653513][ T10] inet6_addr_add+0x30e/0xa40 [ 5218.653513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5218.653513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5218.653513][ T10] netlink_rcv_skb+0x130/0x360 [ 5218.653513][ T10] netlink_unicast+0x449/0x710 [ 5218.653513][ T10] netlink_sendmsg+0x723/0xbe0 [ 5218.653513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5218.653513][ T10] ___sys_sendmsg+0xee/0x170 [ 5218.653513][ T10] __sys_sendmsg+0xcd/0x170 [ 5218.653513][ T10] do_syscall_64+0xc6/0x1e0 [ 5218.653513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5218.653513][ T10] [ 5218.655522][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5218.655522][ T10] netdev_get_by_index+0x5e/0x80 [ 5218.655522][ T10] fib6_nh_init+0x3d8/0x1580 [ 5218.655522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5218.655522][ T10] ip6_route_add+0x1c/0x140 [ 5218.655522][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5218.655522][ T10] addrconf_add_dev+0xe2/0x170 [ 5218.655522][ T10] inet6_addr_add+0x12f/0xa40 [ 5218.655522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5218.655522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5218.655522][ T10] netlink_rcv_skb+0x130/0x360 [ 5218.655522][ T10] netlink_unicast+0x449/0x710 [ 5218.655522][ T10] netlink_sendmsg+0x723/0xbe0 [ 5218.655522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5218.655522][ T10] ___sys_sendmsg+0xee/0x170 [ 5218.655522][ T10] __sys_sendmsg+0xcd/0x170 [ 5218.655522][ T10] do_syscall_64+0xc6/0x1e0 [ 5218.655522][ T10] [ 5218.661548][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5218.661548][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5218.661548][ T10] ipv6_find_idev+0x102/0x170 [ 5218.661548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5218.661548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5218.661548][ T10] netlink_rcv_skb+0x130/0x360 [ 5218.661548][ T10] netlink_unicast+0x449/0x710 [ 5218.661548][ T10] netlink_sendmsg+0x723/0xbe0 [ 5218.661548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5218.661548][ T10] ___sys_sendmsg+0xee/0x170 [ 5218.661548][ T10] __sys_sendmsg+0xcd/0x170 [ 5218.661548][ T10] do_syscall_64+0xc6/0x1e0 [ 5218.661548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5218.661548][ T10] [ 5218.663106][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5218.663106][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5218.663106][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5218.663106][ T10] ipv6_find_idev+0x102/0x170 [ 5218.663106][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5218.663106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5218.663106][ T10] netlink_rcv_skb+0x130/0x360 [ 5218.663106][ T10] netlink_unicast+0x449/0x710 [ 5218.663106][ T10] netlink_sendmsg+0x723/0xbe0 [ 5218.663106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5218.663106][ T10] ___sys_sendmsg+0xee/0x170 [ 5218.663106][ T10] __sys_sendmsg+0xcd/0x170 [ 5218.663106][ T10] do_syscall_64+0xc6/0x1e0 [ 5218.663106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5218.663106][ T10] [ 5218.664804][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5218.665048][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5218.665048][ T10] netdev_get_by_index+0x5e/0x80 [ 5218.665048][ T10] fib6_nh_init+0x3d8/0x1580 [ 5218.665048][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5218.665048][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5218.665048][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5218.665048][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5218.665048][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5218.665048][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5218.665048][ T10] addrconf_dad_begin+0x310/0x670 [ 5218.665048][ T10] addrconf_dad_work+0x10b/0xab0 [ 5218.665048][ T10] process_one_work+0x84d/0x18a0 [ 5218.665048][ T10] worker_thread+0x587/0xd30 [ 5218.665048][ T10] kthread+0x28a/0x350 [ 5218.665048][ T10] ret_from_fork+0x31/0x70 [ 5218.665048][ T10] ret_from_fork_asm+0x1a/0x30 [ 5218.665048][ T10] [ 5218.666968][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5218.666968][ T10] netdev_get_by_index+0x5e/0x80 [ 5218.666968][ T10] fib6_nh_init+0x3d8/0x1580 [ 5218.666968][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5218.666968][ T10] ip6_route_add+0x1c/0x140 [ 5218.666968][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5218.666968][ T10] inet6_addr_add+0x4f8/0xa40 [ 5218.666968][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5218.666968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5218.666968][ T10] netlink_rcv_skb+0x130/0x360 [ 5218.666968][ T10] netlink_unicast+0x449/0x710 [ 5218.666968][ T10] netlink_sendmsg+0x723/0xbe0 [ 5218.666968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5218.666968][ T10] ___sys_sendmsg+0xee/0x170 [ 5218.666968][ T10] __sys_sendmsg+0xcd/0x170 [ 5218.666968][ T10] do_syscall_64+0xc6/0x1e0 [ 5218.666968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5218.666968][ T10] [ 5218.668955][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5218.668955][ T10] netdev_get_by_index+0x5e/0x80 [ 5218.668955][ T10] fib6_nh_init+0x3d8/0x1580 [ 5218.668955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5218.668955][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5218.668955][ T10] ipv6_add_addr+0x411/0x2000 [ 5218.668955][ T10] inet6_addr_add+0x30e/0xa40 [ 5218.668955][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5218.668955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5218.668955][ T10] netlink_rcv_skb+0x130/0x360 [ 5218.668955][ T10] netlink_unicast+0x449/0x710 [ 5218.668955][ T10] netlink_sendmsg+0x723/0xbe0 [ 5218.668955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5218.668955][ T10] ___sys_sendmsg+0xee/0x170 [ 5218.668955][ T10] __sys_sendmsg+0xcd/0x170 [ 5218.668955][ T10] do_syscall_64+0xc6/0x1e0 [ 5218.668955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5218.668955][ T10] [ 5218.670942][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5218.670942][ T10] netdev_get_by_index+0x5e/0x80 [ 5218.670942][ T10] fib6_nh_init+0x3d8/0x1580 [ 5218.670942][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5218.670942][ T10] ip6_route_add+0x1c/0x140 [ 5218.670942][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5218.670942][ T10] addrconf_add_dev+0xe2/0x170 [ 5218.670942][ T10] inet6_addr_add+0x12f/0xa40 [ 5218.670942][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5218.670942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5218.670942][ T10] netlink_rcv_skb+0x130/0x360 [ 5218.670942][ T10] netlink_unicast+0x449/0x710 [ 5218.670942][ T10] netlink_sendmsg+0x723/0xbe0 [ 5218.670942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5218.670942][ T10] ___sys_sendmsg+0xee/0x170 [ 5218.670942][ T10] __sys_sendmsg+0xcd/0x170 [ 5218.670942][ T10] do_syscall_64+0xc6/0x1e0 [ 5218.670942][ T10] [ 5218.672891][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5218.672891][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5218.672891][ T10] ipv6_find_idev+0x102/0x170 [ 5218.672891][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5218.672891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5218.672891][ T10] netlink_rcv_skb+0x130/0x360 [ 5218.672891][ T10] netlink_unicast+0x449/0x710 [ 5218.672891][ T10] netlink_sendmsg+0x723/0xbe0 [ 5218.672891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5218.672891][ T10] ___sys_sendmsg+0xee/0x170 [ 5218.672891][ T10] __sys_sendmsg+0xcd/0x170 [ 5218.672891][ T10] do_syscall_64+0xc6/0x1e0 [ 5218.672891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5218.672891][ T10] [ 5218.674439][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5218.674439][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5218.674439][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5218.674439][ T10] ipv6_find_idev+0x102/0x170 [ 5218.674439][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5218.674439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5218.674439][ T10] netlink_rcv_skb+0x130/0x360 [ 5218.674439][ T10] netlink_unicast+0x449/0x710 [ 5218.674439][ T10] netlink_sendmsg+0x723/0xbe0 [ 5218.674439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5218.674439][ T10] ___sys_sendmsg+0xee/0x170 [ 5218.674439][ T10] __sys_sendmsg+0xcd/0x170 [ 5218.674439][ T10] do_syscall_64+0xc6/0x1e0 [ 5218.674439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5218.674439][ T10] [ 5218.676125][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5218.676373][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5218.676373][ T10] netdev_get_by_index+0x5e/0x80 [ 5218.676373][ T10] fib6_nh_init+0x3d8/0x1580 [ 5218.676373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5218.676373][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5218.676373][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5218.676373][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5218.676373][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5218.676373][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5218.676373][ T10] addrconf_dad_begin+0x310/0x670 [ 5218.676373][ T10] addrconf_dad_work+0x10b/0xab0 [ 5218.676373][ T10] process_one_work+0x84d/0x18a0 [ 5218.676373][ T10] worker_thread+0x587/0xd30 [ 5218.676373][ T10] kthread+0x28a/0x350 [ 5218.676373][ T10] ret_from_fork+0x31/0x70 [ 5218.676373][ T10] ret_from_fork_asm+0x1a/0x30 [ 5218.676373][ T10] [ 5218.678329][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5218.678329][ T10] netdev_get_by_index+0x5e/0x80 [ 5218.678329][ T10] fib6_nh_init+0x3d8/0x1580 [ 5218.678329][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5218.678329][ T10] ip6_route_add+0x1c/0x140 [ 5218.678329][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5218.678329][ T10] inet6_addr_add+0x4f8/0xa40 [ 5218.678329][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5218.678329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5218.678329][ T10] netlink_rcv_skb+0x130/0x360 [ 5218.678329][ T10] netlink_unicast+0x449/0x710 [ 5218.678329][ T10] netlink_sendmsg+0x723/0xbe0 [ 5218.678329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5218.678329][ T10] ___sys_sendmsg+0xee/0x170 [ 5218.678329][ T10] __sys_sendmsg+0xcd/0x170 [ 5218.678329][ T10] do_syscall_64+0xc6/0x1e0 [ 5218.678329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5218.678329][ T10] [ 5218.680516][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5218.680516][ T10] netdev_get_by_index+0x5e/0x80 [ 5218.680516][ T10] fib6_nh_init+0x3d8/0x1580 [ 5218.680516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5218.680516][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5218.680516][ T10] ipv6_add_addr+0x411/0x2000 [ 5218.680516][ T10] inet6_addr_add+0x30e/0xa40 [ 5218.680516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5218.680516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5218.680516][ T10] netlink_rcv_skb+0x130/0x360 [ 5218.680516][ T10] netlink_unicast+0x449/0x710 [ 5218.680516][ T10] netlink_sendmsg+0x723/0xbe0 [ 5218.680516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5218.680516][ T10] ___sys_sendmsg+0xee/0x170 [ 5218.680516][ T10] __sys_sendmsg+0xcd/0x170 [ 5218.680516][ T10] do_syscall_64+0xc6/0x1e0 [ 5218.680516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5218.680516][ T10] [ 5218.682819][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5218.682819][ T10] netdev_get_by_index+0x5e/0x80 [ 5218.682819][ T10] fib6_nh_init+0x3d8/0x1580 [ 5218.682819][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5218.682819][ T10] ip6_route_add+0x1c/0x140 [ 5218.682819][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5218.682819][ T10] addrconf_add_dev+0xe2/0x170 [ 5218.682819][ T10] inet6_addr_add+0x12f/0xa40 [ 5218.682819][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5218.682819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5218.682819][ T10] netlink_rcv_skb+0x130/0x360 [ 5218.682819][ T10] netlink_unicast+0x449/0x710 [ 5218.682819][ T10] netlink_sendmsg+0x723/0xbe0 [ 5218.682819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5218.682819][ T10] ___sys_sendmsg+0xee/0x170 [ 5218.682819][ T10] __sys_sendmsg+0xcd/0x170 [ 5218.682819][ T10] do_syscall_64+0xc6/0x1e0 [ 5218.682819][ T10] [ 5218.685035][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5218.685035][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5218.685035][ T10] ipv6_find_idev+0x102/0x170 [ 5218.685035][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5218.685035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5218.685035][ T10] netlink_rcv_skb+0x130/0x360 [ 5218.685035][ T10] netlink_unicast+0x449/0x710 [ 5218.685035][ T10] netlink_sendmsg+0x723/0xbe0 [ 5218.685035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5218.685035][ T10] ___sys_sendmsg+0xee/0x170 [ 5218.685035][ T10] __sys_sendmsg+0xcd/0x170 [ 5218.685035][ T10] do_syscall_64+0xc6/0x1e0 [ 5218.685035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5218.685035][ T10] [ 5218.686754][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5218.686754][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5218.686754][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5218.686754][ T10] ipv6_find_idev+0x102/0x170 [ 5218.686754][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5218.686754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5218.686754][ T10] netlink_rcv_skb+0x130/0x360 [ 5218.686754][ T10] netlink_unicast+0x449/0x710 [ 5218.686754][ T10] netlink_sendmsg+0x723/0xbe0 [ 5218.686754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5218.686754][ T10] ___sys_sendmsg+0xee/0x170 [ 5218.686754][ T10] __sys_sendmsg+0xcd/0x170 [ 5218.686754][ T10] do_syscall_64+0xc6/0x1e0 [ 5218.686754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5218.686754][ T10] [ 5218.688619][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5218.688864][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5218.688864][ T10] netdev_get_by_index+0x5e/0x80 [ 5218.688864][ T10] fib6_nh_init+0x3d8/0x1580 [ 5218.688864][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5218.688864][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5218.688864][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5218.688864][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5218.688864][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5218.688864][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5218.688864][ T10] addrconf_dad_begin+0x310/0x670 [ 5218.688864][ T10] addrconf_dad_work+0x10b/0xab0 [ 5218.688864][ T10] process_one_work+0x84d/0x18a0 [ 5218.688864][ T10] worker_thread+0x587/0xd30 [ 5218.688864][ T10] kthread+0x28a/0x350 [ 5218.688864][ T10] ret_from_fork+0x31/0x70 [ 5218.688864][ T10] ret_from_fork_asm+0x1a/0x30 [ 5218.688864][ T10] [ 5218.691078][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5218.691078][ T10] netdev_get_by_index+0x5e/0x80 [ 5218.691078][ T10] fib6_nh_init+0x3d8/0x1580 [ 5218.691078][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5218.691078][ T10] ip6_route_add+0x1c/0x140 [ 5218.691078][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5218.691078][ T10] inet6_addr_add+0x4f8/0xa40 [ 5218.691078][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5218.691078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5218.691078][ T10] netlink_rcv_skb+0x130/0x360 [ 5218.691078][ T10] netlink_unicast+0x449/0x710 [ 5218.691078][ T10] netlink_sendmsg+0x723/0xbe0 [ 5218.691078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5218.691078][ T10] ___sys_sendmsg+0xee/0x170 [ 5218.691078][ T10] __sys_sendmsg+0xcd/0x170 [ 5218.691078][ T10] do_syscall_64+0xc6/0x1e0 [ 5218.691078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5218.691078][ T10] [ 5218.693313][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5218.693313][ T10] netdev_get_by_index+0x5e/0x80 [ 5218.693313][ T10] fib6_nh_init+0x3d8/0x1580 [ 5218.693313][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5218.693313][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5218.693313][ T10] ipv6_add_addr+0x411/0x2000 [ 5218.693313][ T10] inet6_addr_add+0x30e/0xa40 [ 5218.693313][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5218.693313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5218.693313][ T10] netlink_rcv_skb+0x130/0x360 [ 5218.693313][ T10] netlink_unicast+0x449/0x710 [ 5218.693313][ T10] netlink_sendmsg+0x723/0xbe0 [ 5218.693313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5218.693313][ T10] ___sys_sendmsg+0xee/0x170 [ 5218.693313][ T10] __sys_sendmsg+0xcd/0x170 [ 5218.693313][ T10] do_syscall_64+0xc6/0x1e0 [ 5218.693313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5218.693313][ T10] [ 5218.695546][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5218.695546][ T10] netdev_get_by_index+0x5e/0x80 [ 5218.695546][ T10] fib6_nh_init+0x3d8/0x1580 [ 5218.695546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5218.695546][ T10] ip6_route_add+0x1c/0x140 [ 5218.695546][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5218.695546][ T10] addrconf_add_dev+0xe2/0x170 [ 5218.695546][ T10] inet6_addr_add+0x12f/0xa40 [ 5218.695546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5218.695546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5218.695546][ T10] netlink_rcv_skb+0x130/0x360 [ 5218.695546][ T10] netlink_unicast+0x449/0x710 [ 5218.695546][ T10] netlink_sendmsg+0x723/0xbe0 [ 5218.695546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5218.695546][ T10] ___sys_sendmsg+0xee/0x170 [ 5218.695546][ T10] __sys_sendmsg+0xcd/0x170 [ 5218.695546][ T10] do_syscall_64+0xc6/0x1e0 [ 5218.695546][ T10] [ 5218.697683][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5218.697683][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5218.697683][ T10] ipv6_find_idev+0x102/0x170 [ 5218.697683][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5218.697683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5218.697683][ T10] netlink_rcv_skb+0x130/0x360 [ 5218.697683][ T10] netlink_unicast+0x449/0x710 [ 5218.697683][ T10] netlink_sendmsg+0x723/0xbe0 [ 5218.697683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5218.697683][ T10] ___sys_sendmsg+0xee/0x170 [ 5218.697683][ T10] __sys_sendmsg+0xcd/0x170 [ 5218.697683][ T10] do_syscall_64+0xc6/0x1e0 [ 5218.697683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5218.697683][ T10] [ 5218.699385][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5218.699385][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5218.699385][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5218.699385][ T10] ipv6_find_idev+0x102/0x170 [ 5218.699385][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5218.699385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5218.699385][ T10] netlink_rcv_skb+0x130/0x360 [ 5218.699385][ T10] netlink_unicast+0x449/0x710 [ 5218.699385][ T10] netlink_sendmsg+0x723/0xbe0 [ 5218.699385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5218.699385][ T10] ___sys_sendmsg+0xee/0x170 [ 5218.699385][ T10] __sys_sendmsg+0xcd/0x170 [ 5218.699385][ T10] do_syscall_64+0xc6/0x1e0 [ 5218.699385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5218.699385][ T10] [ 5220.881117][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5220.881645][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5220.881645][ T1167] dst_init+0x84/0x4a0 [ 5220.881645][ T1167] dst_alloc+0x97/0x150 [ 5220.881645][ T1167] ip6_dst_alloc+0x23/0x90 [ 5220.881645][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5220.881645][ T1167] ip6_pol_route+0x56f/0x840 [ 5220.881645][ T1167] fib6_rule_lookup+0x334/0x630 [ 5220.881645][ T1167] ip6_route_output_flags+0x259/0x480 [ 5220.881645][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5220.881645][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5220.881645][ T1167] netlink_rcv_skb+0x130/0x360 [ 5220.881645][ T1167] netlink_unicast+0x449/0x710 [ 5220.881645][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5220.881645][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5220.881645][ T1167] ___sys_sendmsg+0xee/0x170 [ 5220.881645][ T1167] __sys_sendmsg+0xcd/0x170 [ 5220.881645][ T1167] do_syscall_64+0xc6/0x1e0 [ 5220.881645][ T1167] [ 5220.884129][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5220.884129][ T1167] netdev_get_by_index+0x5e/0x80 [ 5220.884129][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5220.884129][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5220.884129][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5220.884129][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5220.884129][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5220.884129][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5220.884129][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5220.884129][ T1167] addrconf_dad_begin+0x310/0x670 [ 5220.884129][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5220.884129][ T1167] process_one_work+0x84d/0x18a0 [ 5220.884129][ T1167] worker_thread+0x587/0xd30 [ 5220.884129][ T1167] kthread+0x28a/0x350 [ 5220.884129][ T1167] ret_from_fork+0x31/0x70 [ 5220.884129][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5220.884129][ T1167] [ 5220.886524][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5220.886524][ T1167] netdev_get_by_index+0x5e/0x80 [ 5220.886524][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5220.886524][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5220.886524][ T1167] ip6_route_add+0x1c/0x140 [ 5220.886524][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5220.886524][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5220.886524][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5220.886524][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5220.886524][ T1167] netlink_rcv_skb+0x130/0x360 [ 5220.886524][ T1167] netlink_unicast+0x449/0x710 [ 5220.886524][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5220.886524][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5220.886524][ T1167] ___sys_sendmsg+0xee/0x170 [ 5220.886524][ T1167] __sys_sendmsg+0xcd/0x170 [ 5220.886524][ T1167] do_syscall_64+0xc6/0x1e0 [ 5220.886524][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5220.886524][ T1167] [ 5220.889009][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5220.889009][ T1167] netdev_get_by_index+0x5e/0x80 [ 5220.889009][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5220.889009][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5220.889009][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5220.889009][ T1167] ipv6_add_addr+0x411/0x2000 [ 5220.889009][ T1167] inet6_addr_add+0x30e/0xa40 [ 5220.889009][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5220.889009][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5220.889009][ T1167] netlink_rcv_skb+0x130/0x360 [ 5220.889009][ T1167] netlink_unicast+0x449/0x710 [ 5220.889009][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5220.889009][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5220.889009][ T1167] ___sys_sendmsg+0xee/0x170 [ 5220.889009][ T1167] __sys_sendmsg+0xcd/0x170 [ 5220.889009][ T1167] do_syscall_64+0xc6/0x1e0 [ 5220.889009][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5220.889009][ T1167] [ 5220.891503][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5220.891503][ T1167] netdev_get_by_index+0x5e/0x80 [ 5220.891503][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5220.891503][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5220.891503][ T1167] ip6_route_add+0x1c/0x140 [ 5220.891503][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5220.891503][ T1167] addrconf_add_dev+0xe2/0x170 [ 5220.891503][ T1167] inet6_addr_add+0x12f/0xa40 [ 5220.891503][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5220.891503][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5220.891503][ T1167] netlink_rcv_skb+0x130/0x360 [ 5220.891503][ T1167] netlink_unicast+0x449/0x710 [ 5220.891503][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5220.891503][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5220.891503][ T1167] ___sys_sendmsg+0xee/0x170 [ 5220.891503][ T1167] __sys_sendmsg+0xcd/0x170 [ 5220.891503][ T1167] do_syscall_64+0xc6/0x1e0 [ 5220.891503][ T1167] [ 5220.893960][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5220.893960][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5220.893960][ T1167] ipv6_find_idev+0x102/0x170 [ 5220.893960][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5220.893960][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5220.893960][ T1167] netlink_rcv_skb+0x130/0x360 [ 5220.893960][ T1167] netlink_unicast+0x449/0x710 [ 5220.893960][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5220.893960][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5220.893960][ T1167] ___sys_sendmsg+0xee/0x170 [ 5220.893960][ T1167] __sys_sendmsg+0xcd/0x170 [ 5220.893960][ T1167] do_syscall_64+0xc6/0x1e0 [ 5220.893960][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5220.893960][ T1167] [ 5220.895883][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5220.895883][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5220.895883][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5220.895883][ T1167] ipv6_find_idev+0x102/0x170 [ 5220.895883][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5220.895883][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5220.895883][ T1167] netlink_rcv_skb+0x130/0x360 [ 5220.895883][ T1167] netlink_unicast+0x449/0x710 [ 5220.895883][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5220.895883][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5220.895883][ T1167] ___sys_sendmsg+0xee/0x170 [ 5220.895883][ T1167] __sys_sendmsg+0xcd/0x170 [ 5220.895883][ T1167] do_syscall_64+0xc6/0x1e0 [ 5220.895883][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5220.895883][ T1167] [ 5228.817131][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5228.817571][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5228.817571][ T10] netdev_get_by_index+0x5e/0x80 [ 5228.817571][ T10] fib6_nh_init+0x3d8/0x1580 [ 5228.817571][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5228.817571][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5228.817571][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5228.817571][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5228.817571][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5228.817571][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5228.817571][ T10] addrconf_dad_begin+0x310/0x670 [ 5228.817571][ T10] addrconf_dad_work+0x10b/0xab0 [ 5228.817571][ T10] process_one_work+0x84d/0x18a0 [ 5228.817571][ T10] worker_thread+0x587/0xd30 [ 5228.817571][ T10] kthread+0x28a/0x350 [ 5228.817571][ T10] ret_from_fork+0x31/0x70 [ 5228.817571][ T10] ret_from_fork_asm+0x1a/0x30 [ 5228.817571][ T10] [ 5228.819505][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5228.819505][ T10] netdev_get_by_index+0x5e/0x80 [ 5228.819505][ T10] fib6_nh_init+0x3d8/0x1580 [ 5228.819505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5228.819505][ T10] ip6_route_add+0x1c/0x140 [ 5228.819505][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5228.819505][ T10] inet6_addr_add+0x4f8/0xa40 [ 5228.819505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5228.819505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5228.819505][ T10] netlink_rcv_skb+0x130/0x360 [ 5228.819505][ T10] netlink_unicast+0x449/0x710 [ 5228.819505][ T10] netlink_sendmsg+0x723/0xbe0 [ 5228.819505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5228.819505][ T10] ___sys_sendmsg+0xee/0x170 [ 5228.819505][ T10] __sys_sendmsg+0xcd/0x170 [ 5228.819505][ T10] do_syscall_64+0xc6/0x1e0 [ 5228.819505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5228.819505][ T10] [ 5228.821492][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5228.821492][ T10] netdev_get_by_index+0x5e/0x80 [ 5228.821492][ T10] fib6_nh_init+0x3d8/0x1580 [ 5228.821492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5228.821492][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5228.821492][ T10] ipv6_add_addr+0x411/0x2000 [ 5228.821492][ T10] inet6_addr_add+0x30e/0xa40 [ 5228.821492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5228.821492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5228.821492][ T10] netlink_rcv_skb+0x130/0x360 [ 5228.821492][ T10] netlink_unicast+0x449/0x710 [ 5228.821492][ T10] netlink_sendmsg+0x723/0xbe0 [ 5228.821492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5228.821492][ T10] ___sys_sendmsg+0xee/0x170 [ 5228.821492][ T10] __sys_sendmsg+0xcd/0x170 [ 5228.821492][ T10] do_syscall_64+0xc6/0x1e0 [ 5228.821492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5228.821492][ T10] [ 5228.823522][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5228.823522][ T10] netdev_get_by_index+0x5e/0x80 [ 5228.823522][ T10] fib6_nh_init+0x3d8/0x1580 [ 5228.823522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5228.823522][ T10] ip6_route_add+0x1c/0x140 [ 5228.823522][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5228.823522][ T10] addrconf_add_dev+0xe2/0x170 [ 5228.823522][ T10] inet6_addr_add+0x12f/0xa40 [ 5228.823522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5228.823522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5228.823522][ T10] netlink_rcv_skb+0x130/0x360 [ 5228.823522][ T10] netlink_unicast+0x449/0x710 [ 5228.823522][ T10] netlink_sendmsg+0x723/0xbe0 [ 5228.823522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5228.823522][ T10] ___sys_sendmsg+0xee/0x170 [ 5228.823522][ T10] __sys_sendmsg+0xcd/0x170 [ 5228.823522][ T10] do_syscall_64+0xc6/0x1e0 [ 5228.823522][ T10] [ 5228.825478][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5228.825478][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5228.825478][ T10] ipv6_find_idev+0x102/0x170 [ 5228.825478][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5228.825478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5228.825478][ T10] netlink_rcv_skb+0x130/0x360 [ 5228.825478][ T10] netlink_unicast+0x449/0x710 [ 5228.825478][ T10] netlink_sendmsg+0x723/0xbe0 [ 5228.825478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5228.825478][ T10] ___sys_sendmsg+0xee/0x170 [ 5228.825478][ T10] __sys_sendmsg+0xcd/0x170 [ 5228.825478][ T10] do_syscall_64+0xc6/0x1e0 [ 5228.825478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5228.825478][ T10] [ 5228.827011][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5228.827011][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5228.827011][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5228.827011][ T10] ipv6_find_idev+0x102/0x170 [ 5228.827011][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5228.827011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5228.827011][ T10] netlink_rcv_skb+0x130/0x360 [ 5228.827011][ T10] netlink_unicast+0x449/0x710 [ 5228.827011][ T10] netlink_sendmsg+0x723/0xbe0 [ 5228.827011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5228.827011][ T10] ___sys_sendmsg+0xee/0x170 [ 5228.827011][ T10] __sys_sendmsg+0xcd/0x170 [ 5228.827011][ T10] do_syscall_64+0xc6/0x1e0 [ 5228.827011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5228.827011][ T10] [ 5228.828704][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5228.828963][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5228.828963][ T10] netdev_get_by_index+0x5e/0x80 [ 5228.828963][ T10] fib6_nh_init+0x3d8/0x1580 [ 5228.828963][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5228.828963][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5228.828963][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5228.828963][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5228.828963][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5228.828963][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5228.828963][ T10] addrconf_dad_begin+0x310/0x670 [ 5228.828963][ T10] addrconf_dad_work+0x10b/0xab0 [ 5228.828963][ T10] process_one_work+0x84d/0x18a0 [ 5228.828963][ T10] worker_thread+0x587/0xd30 [ 5228.828963][ T10] kthread+0x28a/0x350 [ 5228.828963][ T10] ret_from_fork+0x31/0x70 [ 5228.828963][ T10] ret_from_fork_asm+0x1a/0x30 [ 5228.828963][ T10] [ 5228.830869][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5228.830869][ T10] netdev_get_by_index+0x5e/0x80 [ 5228.830869][ T10] fib6_nh_init+0x3d8/0x1580 [ 5228.830869][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5228.830869][ T10] ip6_route_add+0x1c/0x140 [ 5228.830869][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5228.830869][ T10] inet6_addr_add+0x4f8/0xa40 [ 5228.830869][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5228.830869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5228.830869][ T10] netlink_rcv_skb+0x130/0x360 [ 5228.830869][ T10] netlink_unicast+0x449/0x710 [ 5228.830869][ T10] netlink_sendmsg+0x723/0xbe0 [ 5228.830869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5228.830869][ T10] ___sys_sendmsg+0xee/0x170 [ 5228.830869][ T10] __sys_sendmsg+0xcd/0x170 [ 5228.830869][ T10] do_syscall_64+0xc6/0x1e0 [ 5228.830869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5228.830869][ T10] [ 5228.832853][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5228.832853][ T10] netdev_get_by_index+0x5e/0x80 [ 5228.832853][ T10] fib6_nh_init+0x3d8/0x1580 [ 5228.832853][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5228.832853][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5228.832853][ T10] ipv6_add_addr+0x411/0x2000 [ 5228.832853][ T10] inet6_addr_add+0x30e/0xa40 [ 5228.832853][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5228.832853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5228.832853][ T10] netlink_rcv_skb+0x130/0x360 [ 5228.832853][ T10] netlink_unicast+0x449/0x710 [ 5228.832853][ T10] netlink_sendmsg+0x723/0xbe0 [ 5228.832853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5228.832853][ T10] ___sys_sendmsg+0xee/0x170 [ 5228.832853][ T10] __sys_sendmsg+0xcd/0x170 [ 5228.832853][ T10] do_syscall_64+0xc6/0x1e0 [ 5228.832853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5228.832853][ T10] [ 5228.834859][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5228.834859][ T10] netdev_get_by_index+0x5e/0x80 [ 5228.834859][ T10] fib6_nh_init+0x3d8/0x1580 [ 5228.834859][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5228.834859][ T10] ip6_route_add+0x1c/0x140 [ 5228.834859][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5228.834859][ T10] addrconf_add_dev+0xe2/0x170 [ 5228.834859][ T10] inet6_addr_add+0x12f/0xa40 [ 5228.834859][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5228.834859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5228.834859][ T10] netlink_rcv_skb+0x130/0x360 [ 5228.834859][ T10] netlink_unicast+0x449/0x710 [ 5228.834859][ T10] netlink_sendmsg+0x723/0xbe0 [ 5228.834859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5228.834859][ T10] ___sys_sendmsg+0xee/0x170 [ 5228.834859][ T10] __sys_sendmsg+0xcd/0x170 [ 5228.834859][ T10] do_syscall_64+0xc6/0x1e0 [ 5228.834859][ T10] [ 5228.836816][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5228.836816][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5228.836816][ T10] ipv6_find_idev+0x102/0x170 [ 5228.836816][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5228.836816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5228.836816][ T10] netlink_rcv_skb+0x130/0x360 [ 5228.836816][ T10] netlink_unicast+0x449/0x710 [ 5228.836816][ T10] netlink_sendmsg+0x723/0xbe0 [ 5228.836816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5228.836816][ T10] ___sys_sendmsg+0xee/0x170 [ 5228.836816][ T10] __sys_sendmsg+0xcd/0x170 [ 5228.836816][ T10] do_syscall_64+0xc6/0x1e0 [ 5228.836816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5228.836816][ T10] [ 5228.838342][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5228.838342][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5228.838342][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5228.838342][ T10] ipv6_find_idev+0x102/0x170 [ 5228.838342][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5228.838342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5228.838342][ T10] netlink_rcv_skb+0x130/0x360 [ 5228.838342][ T10] netlink_unicast+0x449/0x710 [ 5228.838342][ T10] netlink_sendmsg+0x723/0xbe0 [ 5228.838342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5228.838342][ T10] ___sys_sendmsg+0xee/0x170 [ 5228.838342][ T10] __sys_sendmsg+0xcd/0x170 [ 5228.838342][ T10] do_syscall_64+0xc6/0x1e0 [ 5228.838342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5228.838342][ T10] [ 5228.840035][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5228.840273][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5228.840273][ T10] netdev_get_by_index+0x5e/0x80 [ 5228.840273][ T10] fib6_nh_init+0x3d8/0x1580 [ 5228.840273][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5228.840273][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5228.840273][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5228.840273][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5228.840273][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5228.840273][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5228.840273][ T10] addrconf_dad_begin+0x310/0x670 [ 5228.840273][ T10] addrconf_dad_work+0x10b/0xab0 [ 5228.840273][ T10] process_one_work+0x84d/0x18a0 [ 5228.840273][ T10] worker_thread+0x587/0xd30 [ 5228.840273][ T10] kthread+0x28a/0x350 [ 5228.840273][ T10] ret_from_fork+0x31/0x70 [ 5228.840273][ T10] ret_from_fork_asm+0x1a/0x30 [ 5228.840273][ T10] [ 5228.842170][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5228.842170][ T10] netdev_get_by_index+0x5e/0x80 [ 5228.842170][ T10] fib6_nh_init+0x3d8/0x1580 [ 5228.842170][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5228.842170][ T10] ip6_route_add+0x1c/0x140 [ 5228.842170][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5228.842170][ T10] inet6_addr_add+0x4f8/0xa40 [ 5228.842170][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5228.842170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5228.842170][ T10] netlink_rcv_skb+0x130/0x360 [ 5228.842170][ T10] netlink_unicast+0x449/0x710 [ 5228.842170][ T10] netlink_sendmsg+0x723/0xbe0 [ 5228.842170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5228.842170][ T10] ___sys_sendmsg+0xee/0x170 [ 5228.842170][ T10] __sys_sendmsg+0xcd/0x170 [ 5228.842170][ T10] do_syscall_64+0xc6/0x1e0 [ 5228.842170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5228.842170][ T10] [ 5228.844373][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5228.844373][ T10] netdev_get_by_index+0x5e/0x80 [ 5228.844373][ T10] fib6_nh_init+0x3d8/0x1580 [ 5228.844373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5228.844373][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5228.844373][ T10] ipv6_add_addr+0x411/0x2000 [ 5228.844373][ T10] inet6_addr_add+0x30e/0xa40 [ 5228.844373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5228.844373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5228.844373][ T10] netlink_rcv_skb+0x130/0x360 [ 5228.844373][ T10] netlink_unicast+0x449/0x710 [ 5228.844373][ T10] netlink_sendmsg+0x723/0xbe0 [ 5228.844373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5228.844373][ T10] ___sys_sendmsg+0xee/0x170 [ 5228.844373][ T10] __sys_sendmsg+0xcd/0x170 [ 5228.844373][ T10] do_syscall_64+0xc6/0x1e0 [ 5228.844373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5228.844373][ T10] [ 5228.846638][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5228.846638][ T10] netdev_get_by_index+0x5e/0x80 [ 5228.846638][ T10] fib6_nh_init+0x3d8/0x1580 [ 5228.846638][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5228.846638][ T10] ip6_route_add+0x1c/0x140 [ 5228.846638][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5228.846638][ T10] addrconf_add_dev+0xe2/0x170 [ 5228.846638][ T10] inet6_addr_add+0x12f/0xa40 [ 5228.846638][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5228.846638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5228.846638][ T10] netlink_rcv_skb+0x130/0x360 [ 5228.846638][ T10] netlink_unicast+0x449/0x710 [ 5228.846638][ T10] netlink_sendmsg+0x723/0xbe0 [ 5228.846638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5228.846638][ T10] ___sys_sendmsg+0xee/0x170 [ 5228.846638][ T10] __sys_sendmsg+0xcd/0x170 [ 5228.846638][ T10] do_syscall_64+0xc6/0x1e0 [ 5228.846638][ T10] [ 5228.848840][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5228.848840][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5228.848840][ T10] ipv6_find_idev+0x102/0x170 [ 5228.848840][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5228.848840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5228.848840][ T10] netlink_rcv_skb+0x130/0x360 [ 5228.848840][ T10] netlink_unicast+0x449/0x710 [ 5228.848840][ T10] netlink_sendmsg+0x723/0xbe0 [ 5228.848840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5228.848840][ T10] ___sys_sendmsg+0xee/0x170 [ 5228.848840][ T10] __sys_sendmsg+0xcd/0x170 [ 5228.848840][ T10] do_syscall_64+0xc6/0x1e0 [ 5228.848840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5228.848840][ T10] [ 5228.850576][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5228.850576][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5228.850576][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5228.850576][ T10] ipv6_find_idev+0x102/0x170 [ 5228.850576][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5228.850576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5228.850576][ T10] netlink_rcv_skb+0x130/0x360 [ 5228.850576][ T10] netlink_unicast+0x449/0x710 [ 5228.850576][ T10] netlink_sendmsg+0x723/0xbe0 [ 5228.850576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5228.850576][ T10] ___sys_sendmsg+0xee/0x170 [ 5228.850576][ T10] __sys_sendmsg+0xcd/0x170 [ 5228.850576][ T10] do_syscall_64+0xc6/0x1e0 [ 5228.850576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5228.850576][ T10] [ 5228.852522][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5228.852768][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5228.852768][ T10] netdev_get_by_index+0x5e/0x80 [ 5228.852768][ T10] fib6_nh_init+0x3d8/0x1580 [ 5228.852768][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5228.852768][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5228.852768][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5228.852768][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5228.852768][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5228.852768][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5228.852768][ T10] addrconf_dad_begin+0x310/0x670 [ 5228.852768][ T10] addrconf_dad_work+0x10b/0xab0 [ 5228.852768][ T10] process_one_work+0x84d/0x18a0 [ 5228.852768][ T10] worker_thread+0x587/0xd30 [ 5228.852768][ T10] kthread+0x28a/0x350 [ 5228.852768][ T10] ret_from_fork+0x31/0x70 [ 5228.852768][ T10] ret_from_fork_asm+0x1a/0x30 [ 5228.852768][ T10] [ 5228.854929][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5228.854929][ T10] netdev_get_by_index+0x5e/0x80 [ 5228.854929][ T10] fib6_nh_init+0x3d8/0x1580 [ 5228.854929][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5228.854929][ T10] ip6_route_add+0x1c/0x140 [ 5228.854929][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5228.854929][ T10] inet6_addr_add+0x4f8/0xa40 [ 5228.854929][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5228.854929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5228.854929][ T10] netlink_rcv_skb+0x130/0x360 [ 5228.854929][ T10] netlink_unicast+0x449/0x710 [ 5228.854929][ T10] netlink_sendmsg+0x723/0xbe0 [ 5228.854929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5228.854929][ T10] ___sys_sendmsg+0xee/0x170 [ 5228.854929][ T10] __sys_sendmsg+0xcd/0x170 [ 5228.854929][ T10] do_syscall_64+0xc6/0x1e0 [ 5228.854929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5228.854929][ T10] [ 5228.857152][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5228.857152][ T10] netdev_get_by_index+0x5e/0x80 [ 5228.857152][ T10] fib6_nh_init+0x3d8/0x1580 [ 5228.857152][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5228.857152][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5228.857152][ T10] ipv6_add_addr+0x411/0x2000 [ 5228.857152][ T10] inet6_addr_add+0x30e/0xa40 [ 5228.857152][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5228.857152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5228.857152][ T10] netlink_rcv_skb+0x130/0x360 [ 5228.857152][ T10] netlink_unicast+0x449/0x710 [ 5228.857152][ T10] netlink_sendmsg+0x723/0xbe0 [ 5228.857152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5228.857152][ T10] ___sys_sendmsg+0xee/0x170 [ 5228.857152][ T10] __sys_sendmsg+0xcd/0x170 [ 5228.857152][ T10] do_syscall_64+0xc6/0x1e0 [ 5228.857152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5228.857152][ T10] [ 5228.859381][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5228.859381][ T10] netdev_get_by_index+0x5e/0x80 [ 5228.859381][ T10] fib6_nh_init+0x3d8/0x1580 [ 5228.859381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5228.859381][ T10] ip6_route_add+0x1c/0x140 [ 5228.859381][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5228.859381][ T10] addrconf_add_dev+0xe2/0x170 [ 5228.859381][ T10] inet6_addr_add+0x12f/0xa40 [ 5228.859381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5228.859381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5228.859381][ T10] netlink_rcv_skb+0x130/0x360 [ 5228.859381][ T10] netlink_unicast+0x449/0x710 [ 5228.859381][ T10] netlink_sendmsg+0x723/0xbe0 [ 5228.859381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5228.859381][ T10] ___sys_sendmsg+0xee/0x170 [ 5228.859381][ T10] __sys_sendmsg+0xcd/0x170 [ 5228.859381][ T10] do_syscall_64+0xc6/0x1e0 [ 5228.859381][ T10] [ 5228.861565][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5228.861565][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5228.861565][ T10] ipv6_find_idev+0x102/0x170 [ 5228.861565][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5228.861565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5228.861565][ T10] netlink_rcv_skb+0x130/0x360 [ 5228.861565][ T10] netlink_unicast+0x449/0x710 [ 5228.861565][ T10] netlink_sendmsg+0x723/0xbe0 [ 5228.861565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5228.861565][ T10] ___sys_sendmsg+0xee/0x170 [ 5228.861565][ T10] __sys_sendmsg+0xcd/0x170 [ 5228.861565][ T10] do_syscall_64+0xc6/0x1e0 [ 5228.861565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5228.861565][ T10] [ 5228.863278][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5228.863278][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5228.863278][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5228.863278][ T10] ipv6_find_idev+0x102/0x170 [ 5228.863278][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5228.863278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5228.863278][ T10] netlink_rcv_skb+0x130/0x360 [ 5228.863278][ T10] netlink_unicast+0x449/0x710 [ 5228.863278][ T10] netlink_sendmsg+0x723/0xbe0 [ 5228.863278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5228.863278][ T10] ___sys_sendmsg+0xee/0x170 [ 5228.863278][ T10] __sys_sendmsg+0xcd/0x170 [ 5228.863278][ T10] do_syscall_64+0xc6/0x1e0 [ 5228.863278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5228.863278][ T10] [ 5231.145117][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5231.145640][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5231.145640][ T1167] dst_init+0x84/0x4a0 [ 5231.145640][ T1167] dst_alloc+0x97/0x150 [ 5231.145640][ T1167] ip6_dst_alloc+0x23/0x90 [ 5231.145640][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5231.145640][ T1167] ip6_pol_route+0x56f/0x840 [ 5231.145640][ T1167] fib6_rule_lookup+0x334/0x630 [ 5231.145640][ T1167] ip6_route_output_flags+0x259/0x480 [ 5231.145640][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5231.145640][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5231.145640][ T1167] netlink_rcv_skb+0x130/0x360 [ 5231.145640][ T1167] netlink_unicast+0x449/0x710 [ 5231.145640][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5231.145640][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5231.145640][ T1167] ___sys_sendmsg+0xee/0x170 [ 5231.145640][ T1167] __sys_sendmsg+0xcd/0x170 [ 5231.145640][ T1167] do_syscall_64+0xc6/0x1e0 [ 5231.145640][ T1167] [ 5231.148097][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5231.148097][ T1167] netdev_get_by_index+0x5e/0x80 [ 5231.148097][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5231.148097][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5231.148097][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5231.148097][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5231.148097][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5231.148097][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5231.148097][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5231.148097][ T1167] addrconf_dad_begin+0x310/0x670 [ 5231.148097][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5231.148097][ T1167] process_one_work+0x84d/0x18a0 [ 5231.148097][ T1167] worker_thread+0x587/0xd30 [ 5231.148097][ T1167] kthread+0x28a/0x350 [ 5231.148097][ T1167] ret_from_fork+0x31/0x70 [ 5231.148097][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5231.148097][ T1167] [ 5231.150477][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5231.150477][ T1167] netdev_get_by_index+0x5e/0x80 [ 5231.150477][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5231.150477][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5231.150477][ T1167] ip6_route_add+0x1c/0x140 [ 5231.150477][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5231.150477][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5231.150477][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5231.150477][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5231.150477][ T1167] netlink_rcv_skb+0x130/0x360 [ 5231.150477][ T1167] netlink_unicast+0x449/0x710 [ 5231.150477][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5231.150477][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5231.150477][ T1167] ___sys_sendmsg+0xee/0x170 [ 5231.150477][ T1167] __sys_sendmsg+0xcd/0x170 [ 5231.150477][ T1167] do_syscall_64+0xc6/0x1e0 [ 5231.150477][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5231.150477][ T1167] [ 5231.152966][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5231.152966][ T1167] netdev_get_by_index+0x5e/0x80 [ 5231.152966][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5231.152966][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5231.152966][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5231.152966][ T1167] ipv6_add_addr+0x411/0x2000 [ 5231.152966][ T1167] inet6_addr_add+0x30e/0xa40 [ 5231.152966][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5231.152966][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5231.152966][ T1167] netlink_rcv_skb+0x130/0x360 [ 5231.152966][ T1167] netlink_unicast+0x449/0x710 [ 5231.152966][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5231.152966][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5231.152966][ T1167] ___sys_sendmsg+0xee/0x170 [ 5231.152966][ T1167] __sys_sendmsg+0xcd/0x170 [ 5231.152966][ T1167] do_syscall_64+0xc6/0x1e0 [ 5231.152966][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5231.152966][ T1167] [ 5231.155470][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5231.155470][ T1167] netdev_get_by_index+0x5e/0x80 [ 5231.155470][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5231.155470][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5231.155470][ T1167] ip6_route_add+0x1c/0x140 [ 5231.155470][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5231.155470][ T1167] addrconf_add_dev+0xe2/0x170 [ 5231.155470][ T1167] inet6_addr_add+0x12f/0xa40 [ 5231.155470][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5231.155470][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5231.155470][ T1167] netlink_rcv_skb+0x130/0x360 [ 5231.155470][ T1167] netlink_unicast+0x449/0x710 [ 5231.155470][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5231.155470][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5231.155470][ T1167] ___sys_sendmsg+0xee/0x170 [ 5231.155470][ T1167] __sys_sendmsg+0xcd/0x170 [ 5231.155470][ T1167] do_syscall_64+0xc6/0x1e0 [ 5231.155470][ T1167] [ 5231.157920][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5231.157920][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5231.157920][ T1167] ipv6_find_idev+0x102/0x170 [ 5231.157920][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5231.157920][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5231.157920][ T1167] netlink_rcv_skb+0x130/0x360 [ 5231.157920][ T1167] netlink_unicast+0x449/0x710 [ 5231.157920][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5231.157920][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5231.157920][ T1167] ___sys_sendmsg+0xee/0x170 [ 5231.157920][ T1167] __sys_sendmsg+0xcd/0x170 [ 5231.157920][ T1167] do_syscall_64+0xc6/0x1e0 [ 5231.157920][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5231.157920][ T1167] [ 5231.159935][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5231.159935][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5231.159935][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5231.159935][ T1167] ipv6_find_idev+0x102/0x170 [ 5231.159935][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5231.159935][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5231.159935][ T1167] netlink_rcv_skb+0x130/0x360 [ 5231.159935][ T1167] netlink_unicast+0x449/0x710 [ 5231.159935][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5231.159935][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5231.159935][ T1167] ___sys_sendmsg+0xee/0x170 [ 5231.159935][ T1167] __sys_sendmsg+0xcd/0x170 [ 5231.159935][ T1167] do_syscall_64+0xc6/0x1e0 [ 5231.159935][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5231.159935][ T1167] [ 5239.121107][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5239.121473][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5239.121473][ T10] netdev_get_by_index+0x5e/0x80 [ 5239.121473][ T10] fib6_nh_init+0x3d8/0x1580 [ 5239.121473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5239.121473][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5239.121473][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5239.121473][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5239.121473][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5239.121473][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5239.121473][ T10] addrconf_dad_begin+0x310/0x670 [ 5239.121473][ T10] addrconf_dad_work+0x10b/0xab0 [ 5239.121473][ T10] process_one_work+0x84d/0x18a0 [ 5239.121473][ T10] worker_thread+0x587/0xd30 [ 5239.121473][ T10] kthread+0x28a/0x350 [ 5239.121473][ T10] ret_from_fork+0x31/0x70 [ 5239.121473][ T10] ret_from_fork_asm+0x1a/0x30 [ 5239.121473][ T10] [ 5239.123444][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5239.123444][ T10] netdev_get_by_index+0x5e/0x80 [ 5239.123444][ T10] fib6_nh_init+0x3d8/0x1580 [ 5239.123444][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5239.123444][ T10] ip6_route_add+0x1c/0x140 [ 5239.123444][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5239.123444][ T10] inet6_addr_add+0x4f8/0xa40 [ 5239.123444][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5239.123444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5239.123444][ T10] netlink_rcv_skb+0x130/0x360 [ 5239.123444][ T10] netlink_unicast+0x449/0x710 [ 5239.123444][ T10] netlink_sendmsg+0x723/0xbe0 [ 5239.123444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5239.123444][ T10] ___sys_sendmsg+0xee/0x170 [ 5239.123444][ T10] __sys_sendmsg+0xcd/0x170 [ 5239.123444][ T10] do_syscall_64+0xc6/0x1e0 [ 5239.123444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5239.123444][ T10] [ 5239.125437][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5239.125437][ T10] netdev_get_by_index+0x5e/0x80 [ 5239.125437][ T10] fib6_nh_init+0x3d8/0x1580 [ 5239.125437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5239.125437][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5239.125437][ T10] ipv6_add_addr+0x411/0x2000 [ 5239.125437][ T10] inet6_addr_add+0x30e/0xa40 [ 5239.125437][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5239.125437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5239.125437][ T10] netlink_rcv_skb+0x130/0x360 [ 5239.125437][ T10] netlink_unicast+0x449/0x710 [ 5239.125437][ T10] netlink_sendmsg+0x723/0xbe0 [ 5239.125437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5239.125437][ T10] ___sys_sendmsg+0xee/0x170 [ 5239.125437][ T10] __sys_sendmsg+0xcd/0x170 [ 5239.125437][ T10] do_syscall_64+0xc6/0x1e0 [ 5239.125437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5239.125437][ T10] [ 5239.127421][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5239.127421][ T10] netdev_get_by_index+0x5e/0x80 [ 5239.127421][ T10] fib6_nh_init+0x3d8/0x1580 [ 5239.127421][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5239.127421][ T10] ip6_route_add+0x1c/0x140 [ 5239.127421][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5239.127421][ T10] addrconf_add_dev+0xe2/0x170 [ 5239.127421][ T10] inet6_addr_add+0x12f/0xa40 [ 5239.127421][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5239.127421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5239.127421][ T10] netlink_rcv_skb+0x130/0x360 [ 5239.127421][ T10] netlink_unicast+0x449/0x710 [ 5239.127421][ T10] netlink_sendmsg+0x723/0xbe0 [ 5239.127421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5239.127421][ T10] ___sys_sendmsg+0xee/0x170 [ 5239.127421][ T10] __sys_sendmsg+0xcd/0x170 [ 5239.127421][ T10] do_syscall_64+0xc6/0x1e0 [ 5239.127421][ T10] [ 5239.129378][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5239.129378][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5239.129378][ T10] ipv6_find_idev+0x102/0x170 [ 5239.129378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5239.129378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5239.129378][ T10] netlink_rcv_skb+0x130/0x360 [ 5239.129378][ T10] netlink_unicast+0x449/0x710 [ 5239.129378][ T10] netlink_sendmsg+0x723/0xbe0 [ 5239.129378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5239.129378][ T10] ___sys_sendmsg+0xee/0x170 [ 5239.129378][ T10] __sys_sendmsg+0xcd/0x170 [ 5239.129378][ T10] do_syscall_64+0xc6/0x1e0 [ 5239.129378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5239.129378][ T10] [ 5239.130914][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5239.130914][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5239.130914][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5239.130914][ T10] ipv6_find_idev+0x102/0x170 [ 5239.130914][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5239.130914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5239.130914][ T10] netlink_rcv_skb+0x130/0x360 [ 5239.130914][ T10] netlink_unicast+0x449/0x710 [ 5239.130914][ T10] netlink_sendmsg+0x723/0xbe0 [ 5239.130914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5239.130914][ T10] ___sys_sendmsg+0xee/0x170 [ 5239.130914][ T10] __sys_sendmsg+0xcd/0x170 [ 5239.130914][ T10] do_syscall_64+0xc6/0x1e0 [ 5239.130914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5239.130914][ T10] [ 5239.132597][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5239.132845][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5239.132845][ T10] netdev_get_by_index+0x5e/0x80 [ 5239.132845][ T10] fib6_nh_init+0x3d8/0x1580 [ 5239.132845][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5239.132845][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5239.132845][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5239.132845][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5239.132845][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5239.132845][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5239.132845][ T10] addrconf_dad_begin+0x310/0x670 [ 5239.132845][ T10] addrconf_dad_work+0x10b/0xab0 [ 5239.132845][ T10] process_one_work+0x84d/0x18a0 [ 5239.132845][ T10] worker_thread+0x587/0xd30 [ 5239.132845][ T10] kthread+0x28a/0x350 [ 5239.132845][ T10] ret_from_fork+0x31/0x70 [ 5239.132845][ T10] ret_from_fork_asm+0x1a/0x30 [ 5239.132845][ T10] [ 5239.134788][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5239.134788][ T10] netdev_get_by_index+0x5e/0x80 [ 5239.134788][ T10] fib6_nh_init+0x3d8/0x1580 [ 5239.134788][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5239.134788][ T10] ip6_route_add+0x1c/0x140 [ 5239.134788][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5239.134788][ T10] inet6_addr_add+0x4f8/0xa40 [ 5239.134788][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5239.134788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5239.134788][ T10] netlink_rcv_skb+0x130/0x360 [ 5239.134788][ T10] netlink_unicast+0x449/0x710 [ 5239.134788][ T10] netlink_sendmsg+0x723/0xbe0 [ 5239.134788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5239.134788][ T10] ___sys_sendmsg+0xee/0x170 [ 5239.134788][ T10] __sys_sendmsg+0xcd/0x170 [ 5239.134788][ T10] do_syscall_64+0xc6/0x1e0 [ 5239.134788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5239.134788][ T10] [ 5239.136773][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5239.136773][ T10] netdev_get_by_index+0x5e/0x80 [ 5239.136773][ T10] fib6_nh_init+0x3d8/0x1580 [ 5239.136773][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5239.136773][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5239.136773][ T10] ipv6_add_addr+0x411/0x2000 [ 5239.136773][ T10] inet6_addr_add+0x30e/0xa40 [ 5239.136773][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5239.136773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5239.136773][ T10] netlink_rcv_skb+0x130/0x360 [ 5239.136773][ T10] netlink_unicast+0x449/0x710 [ 5239.136773][ T10] netlink_sendmsg+0x723/0xbe0 [ 5239.136773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5239.136773][ T10] ___sys_sendmsg+0xee/0x170 [ 5239.136773][ T10] __sys_sendmsg+0xcd/0x170 [ 5239.136773][ T10] do_syscall_64+0xc6/0x1e0 [ 5239.136773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5239.136773][ T10] [ 5239.138762][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5239.138762][ T10] netdev_get_by_index+0x5e/0x80 [ 5239.138762][ T10] fib6_nh_init+0x3d8/0x1580 [ 5239.138762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5239.138762][ T10] ip6_route_add+0x1c/0x140 [ 5239.138762][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5239.138762][ T10] addrconf_add_dev+0xe2/0x170 [ 5239.138762][ T10] inet6_addr_add+0x12f/0xa40 [ 5239.138762][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5239.138762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5239.138762][ T10] netlink_rcv_skb+0x130/0x360 [ 5239.138762][ T10] netlink_unicast+0x449/0x710 [ 5239.138762][ T10] netlink_sendmsg+0x723/0xbe0 [ 5239.138762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5239.138762][ T10] ___sys_sendmsg+0xee/0x170 [ 5239.138762][ T10] __sys_sendmsg+0xcd/0x170 [ 5239.138762][ T10] do_syscall_64+0xc6/0x1e0 [ 5239.138762][ T10] [ 5239.140719][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5239.140719][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5239.140719][ T10] ipv6_find_idev+0x102/0x170 [ 5239.140719][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5239.140719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5239.140719][ T10] netlink_rcv_skb+0x130/0x360 [ 5239.140719][ T10] netlink_unicast+0x449/0x710 [ 5239.140719][ T10] netlink_sendmsg+0x723/0xbe0 [ 5239.140719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5239.140719][ T10] ___sys_sendmsg+0xee/0x170 [ 5239.140719][ T10] __sys_sendmsg+0xcd/0x170 [ 5239.140719][ T10] do_syscall_64+0xc6/0x1e0 [ 5239.140719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5239.140719][ T10] [ 5239.142251][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5239.142251][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5239.142251][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5239.142251][ T10] ipv6_find_idev+0x102/0x170 [ 5239.142251][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5239.142251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5239.142251][ T10] netlink_rcv_skb+0x130/0x360 [ 5239.142251][ T10] netlink_unicast+0x449/0x710 [ 5239.142251][ T10] netlink_sendmsg+0x723/0xbe0 [ 5239.142251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5239.142251][ T10] ___sys_sendmsg+0xee/0x170 [ 5239.142251][ T10] __sys_sendmsg+0xcd/0x170 [ 5239.142251][ T10] do_syscall_64+0xc6/0x1e0 [ 5239.142251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5239.142251][ T10] [ 5239.143935][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5239.144180][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5239.144180][ T10] netdev_get_by_index+0x5e/0x80 [ 5239.144180][ T10] fib6_nh_init+0x3d8/0x1580 [ 5239.144180][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5239.144180][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5239.144180][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5239.144180][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5239.144180][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5239.144180][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5239.144180][ T10] addrconf_dad_begin+0x310/0x670 [ 5239.144180][ T10] addrconf_dad_work+0x10b/0xab0 [ 5239.144180][ T10] process_one_work+0x84d/0x18a0 [ 5239.144180][ T10] worker_thread+0x587/0xd30 [ 5239.144180][ T10] kthread+0x28a/0x350 [ 5239.144180][ T10] ret_from_fork+0x31/0x70 [ 5239.144180][ T10] ret_from_fork_asm+0x1a/0x30 [ 5239.144180][ T10] [ 5239.146078][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5239.146078][ T10] netdev_get_by_index+0x5e/0x80 [ 5239.146078][ T10] fib6_nh_init+0x3d8/0x1580 [ 5239.146078][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5239.146078][ T10] ip6_route_add+0x1c/0x140 [ 5239.146078][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5239.146078][ T10] inet6_addr_add+0x4f8/0xa40 [ 5239.146078][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5239.146078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5239.146078][ T10] netlink_rcv_skb+0x130/0x360 [ 5239.146078][ T10] netlink_unicast+0x449/0x710 [ 5239.146078][ T10] netlink_sendmsg+0x723/0xbe0 [ 5239.146078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5239.146078][ T10] ___sys_sendmsg+0xee/0x170 [ 5239.146078][ T10] __sys_sendmsg+0xcd/0x170 [ 5239.146078][ T10] do_syscall_64+0xc6/0x1e0 [ 5239.146078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5239.146078][ T10] [ 5239.148364][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5239.148364][ T10] netdev_get_by_index+0x5e/0x80 [ 5239.148364][ T10] fib6_nh_init+0x3d8/0x1580 [ 5239.148364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5239.148364][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5239.148364][ T10] ipv6_add_addr+0x411/0x2000 [ 5239.148364][ T10] inet6_addr_add+0x30e/0xa40 [ 5239.148364][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5239.148364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5239.148364][ T10] netlink_rcv_skb+0x130/0x360 [ 5239.148364][ T10] netlink_unicast+0x449/0x710 [ 5239.148364][ T10] netlink_sendmsg+0x723/0xbe0 [ 5239.148364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5239.148364][ T10] ___sys_sendmsg+0xee/0x170 [ 5239.148364][ T10] __sys_sendmsg+0xcd/0x170 [ 5239.148364][ T10] do_syscall_64+0xc6/0x1e0 [ 5239.148364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5239.148364][ T10] [ 5239.150591][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5239.150591][ T10] netdev_get_by_index+0x5e/0x80 [ 5239.150591][ T10] fib6_nh_init+0x3d8/0x1580 [ 5239.150591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5239.150591][ T10] ip6_route_add+0x1c/0x140 [ 5239.150591][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5239.150591][ T10] addrconf_add_dev+0xe2/0x170 [ 5239.150591][ T10] inet6_addr_add+0x12f/0xa40 [ 5239.150591][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5239.150591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5239.150591][ T10] netlink_rcv_skb+0x130/0x360 [ 5239.150591][ T10] netlink_unicast+0x449/0x710 [ 5239.150591][ T10] netlink_sendmsg+0x723/0xbe0 [ 5239.150591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5239.150591][ T10] ___sys_sendmsg+0xee/0x170 [ 5239.150591][ T10] __sys_sendmsg+0xcd/0x170 [ 5239.150591][ T10] do_syscall_64+0xc6/0x1e0 [ 5239.150591][ T10] [ 5239.152786][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5239.152786][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5239.152786][ T10] ipv6_find_idev+0x102/0x170 [ 5239.152786][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5239.152786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5239.152786][ T10] netlink_rcv_skb+0x130/0x360 [ 5239.152786][ T10] netlink_unicast+0x449/0x710 [ 5239.152786][ T10] netlink_sendmsg+0x723/0xbe0 [ 5239.152786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5239.152786][ T10] ___sys_sendmsg+0xee/0x170 [ 5239.152786][ T10] __sys_sendmsg+0xcd/0x170 [ 5239.152786][ T10] do_syscall_64+0xc6/0x1e0 [ 5239.152786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5239.152786][ T10] [ 5239.154580][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5239.154580][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5239.154580][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5239.154580][ T10] ipv6_find_idev+0x102/0x170 [ 5239.154580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5239.154580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5239.154580][ T10] netlink_rcv_skb+0x130/0x360 [ 5239.154580][ T10] netlink_unicast+0x449/0x710 [ 5239.154580][ T10] netlink_sendmsg+0x723/0xbe0 [ 5239.154580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5239.154580][ T10] ___sys_sendmsg+0xee/0x170 [ 5239.154580][ T10] __sys_sendmsg+0xcd/0x170 [ 5239.154580][ T10] do_syscall_64+0xc6/0x1e0 [ 5239.154580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5239.154580][ T10] [ 5239.156434][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5239.156669][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5239.156669][ T10] netdev_get_by_index+0x5e/0x80 [ 5239.156669][ T10] fib6_nh_init+0x3d8/0x1580 [ 5239.156669][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5239.156669][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5239.156669][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5239.156669][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5239.156669][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5239.156669][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5239.156669][ T10] addrconf_dad_begin+0x310/0x670 [ 5239.156669][ T10] addrconf_dad_work+0x10b/0xab0 [ 5239.156669][ T10] process_one_work+0x84d/0x18a0 [ 5239.156669][ T10] worker_thread+0x587/0xd30 [ 5239.156669][ T10] kthread+0x28a/0x350 [ 5239.156669][ T10] ret_from_fork+0x31/0x70 [ 5239.156669][ T10] ret_from_fork_asm+0x1a/0x30 [ 5239.156669][ T10] [ 5239.158812][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5239.158812][ T10] netdev_get_by_index+0x5e/0x80 [ 5239.158812][ T10] fib6_nh_init+0x3d8/0x1580 [ 5239.158812][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5239.158812][ T10] ip6_route_add+0x1c/0x140 [ 5239.158812][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5239.158812][ T10] inet6_addr_add+0x4f8/0xa40 [ 5239.158812][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5239.158812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5239.158812][ T10] netlink_rcv_skb+0x130/0x360 [ 5239.158812][ T10] netlink_unicast+0x449/0x710 [ 5239.158812][ T10] netlink_sendmsg+0x723/0xbe0 [ 5239.158812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5239.158812][ T10] ___sys_sendmsg+0xee/0x170 [ 5239.158812][ T10] __sys_sendmsg+0xcd/0x170 [ 5239.158812][ T10] do_syscall_64+0xc6/0x1e0 [ 5239.158812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5239.158812][ T10] [ 5239.161058][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5239.161058][ T10] netdev_get_by_index+0x5e/0x80 [ 5239.161058][ T10] fib6_nh_init+0x3d8/0x1580 [ 5239.161058][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5239.161058][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5239.161058][ T10] ipv6_add_addr+0x411/0x2000 [ 5239.161058][ T10] inet6_addr_add+0x30e/0xa40 [ 5239.161058][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5239.161058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5239.161058][ T10] netlink_rcv_skb+0x130/0x360 [ 5239.161058][ T10] netlink_unicast+0x449/0x710 [ 5239.161058][ T10] netlink_sendmsg+0x723/0xbe0 [ 5239.161058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5239.161058][ T10] ___sys_sendmsg+0xee/0x170 [ 5239.161058][ T10] __sys_sendmsg+0xcd/0x170 [ 5239.161058][ T10] do_syscall_64+0xc6/0x1e0 [ 5239.161058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5239.161058][ T10] [ 5239.163362][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5239.163362][ T10] netdev_get_by_index+0x5e/0x80 [ 5239.163362][ T10] fib6_nh_init+0x3d8/0x1580 [ 5239.163362][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5239.163362][ T10] ip6_route_add+0x1c/0x140 [ 5239.163362][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5239.163362][ T10] addrconf_add_dev+0xe2/0x170 [ 5239.163362][ T10] inet6_addr_add+0x12f/0xa40 [ 5239.163362][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5239.163362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5239.163362][ T10] netlink_rcv_skb+0x130/0x360 [ 5239.163362][ T10] netlink_unicast+0x449/0x710 [ 5239.163362][ T10] netlink_sendmsg+0x723/0xbe0 [ 5239.163362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5239.163362][ T10] ___sys_sendmsg+0xee/0x170 [ 5239.163362][ T10] __sys_sendmsg+0xcd/0x170 [ 5239.163362][ T10] do_syscall_64+0xc6/0x1e0 [ 5239.163362][ T10] [ 5239.165503][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5239.165503][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5239.165503][ T10] ipv6_find_idev+0x102/0x170 [ 5239.165503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5239.165503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5239.165503][ T10] netlink_rcv_skb+0x130/0x360 [ 5239.165503][ T10] netlink_unicast+0x449/0x710 [ 5239.165503][ T10] netlink_sendmsg+0x723/0xbe0 [ 5239.165503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5239.165503][ T10] ___sys_sendmsg+0xee/0x170 [ 5239.165503][ T10] __sys_sendmsg+0xcd/0x170 [ 5239.165503][ T10] do_syscall_64+0xc6/0x1e0 [ 5239.165503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5239.165503][ T10] [ 5239.167223][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5239.167223][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5239.167223][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5239.167223][ T10] ipv6_find_idev+0x102/0x170 [ 5239.167223][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5239.167223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5239.167223][ T10] netlink_rcv_skb+0x130/0x360 [ 5239.167223][ T10] netlink_unicast+0x449/0x710 [ 5239.167223][ T10] netlink_sendmsg+0x723/0xbe0 [ 5239.167223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5239.167223][ T10] ___sys_sendmsg+0xee/0x170 [ 5239.167223][ T10] __sys_sendmsg+0xcd/0x170 [ 5239.167223][ T10] do_syscall_64+0xc6/0x1e0 [ 5239.167223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5239.167223][ T10] [ 5241.401116][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5241.401596][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5241.401596][ T1167] dst_init+0x84/0x4a0 [ 5241.401596][ T1167] dst_alloc+0x97/0x150 [ 5241.401596][ T1167] ip6_dst_alloc+0x23/0x90 [ 5241.401596][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5241.401596][ T1167] ip6_pol_route+0x56f/0x840 [ 5241.401596][ T1167] fib6_rule_lookup+0x334/0x630 [ 5241.401596][ T1167] ip6_route_output_flags+0x259/0x480 [ 5241.401596][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5241.401596][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5241.401596][ T1167] netlink_rcv_skb+0x130/0x360 [ 5241.401596][ T1167] netlink_unicast+0x449/0x710 [ 5241.401596][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5241.401596][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5241.401596][ T1167] ___sys_sendmsg+0xee/0x170 [ 5241.401596][ T1167] __sys_sendmsg+0xcd/0x170 [ 5241.401596][ T1167] do_syscall_64+0xc6/0x1e0 [ 5241.401596][ T1167] [ 5241.403819][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5241.403819][ T1167] netdev_get_by_index+0x5e/0x80 [ 5241.403819][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5241.403819][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5241.403819][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5241.403819][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5241.403819][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5241.403819][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5241.403819][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5241.403819][ T1167] addrconf_dad_begin+0x310/0x670 [ 5241.403819][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5241.403819][ T1167] process_one_work+0x84d/0x18a0 [ 5241.403819][ T1167] worker_thread+0x587/0xd30 [ 5241.403819][ T1167] kthread+0x28a/0x350 [ 5241.403819][ T1167] ret_from_fork+0x31/0x70 [ 5241.403819][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5241.403819][ T1167] [ 5241.405961][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5241.405961][ T1167] netdev_get_by_index+0x5e/0x80 [ 5241.405961][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5241.405961][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5241.405961][ T1167] ip6_route_add+0x1c/0x140 [ 5241.405961][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5241.405961][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5241.405961][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5241.405961][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5241.405961][ T1167] netlink_rcv_skb+0x130/0x360 [ 5241.405961][ T1167] netlink_unicast+0x449/0x710 [ 5241.405961][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5241.405961][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5241.405961][ T1167] ___sys_sendmsg+0xee/0x170 [ 5241.405961][ T1167] __sys_sendmsg+0xcd/0x170 [ 5241.405961][ T1167] do_syscall_64+0xc6/0x1e0 [ 5241.405961][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5241.405961][ T1167] [ 5241.408190][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5241.408190][ T1167] netdev_get_by_index+0x5e/0x80 [ 5241.408190][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5241.408190][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5241.408190][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5241.408190][ T1167] ipv6_add_addr+0x411/0x2000 [ 5241.408190][ T1167] inet6_addr_add+0x30e/0xa40 [ 5241.408190][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5241.408190][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5241.408190][ T1167] netlink_rcv_skb+0x130/0x360 [ 5241.408190][ T1167] netlink_unicast+0x449/0x710 [ 5241.408190][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5241.408190][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5241.408190][ T1167] ___sys_sendmsg+0xee/0x170 [ 5241.408190][ T1167] __sys_sendmsg+0xcd/0x170 [ 5241.408190][ T1167] do_syscall_64+0xc6/0x1e0 [ 5241.408190][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5241.408190][ T1167] [ 5241.410422][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5241.410422][ T1167] netdev_get_by_index+0x5e/0x80 [ 5241.410422][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5241.410422][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5241.410422][ T1167] ip6_route_add+0x1c/0x140 [ 5241.410422][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5241.410422][ T1167] addrconf_add_dev+0xe2/0x170 [ 5241.410422][ T1167] inet6_addr_add+0x12f/0xa40 [ 5241.410422][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5241.410422][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5241.410422][ T1167] netlink_rcv_skb+0x130/0x360 [ 5241.410422][ T1167] netlink_unicast+0x449/0x710 [ 5241.410422][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5241.410422][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5241.410422][ T1167] ___sys_sendmsg+0xee/0x170 [ 5241.410422][ T1167] __sys_sendmsg+0xcd/0x170 [ 5241.410422][ T1167] do_syscall_64+0xc6/0x1e0 [ 5241.410422][ T1167] [ 5241.412615][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5241.412615][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5241.412615][ T1167] ipv6_find_idev+0x102/0x170 [ 5241.412615][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5241.412615][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5241.412615][ T1167] netlink_rcv_skb+0x130/0x360 [ 5241.412615][ T1167] netlink_unicast+0x449/0x710 [ 5241.412615][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5241.412615][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5241.412615][ T1167] ___sys_sendmsg+0xee/0x170 [ 5241.412615][ T1167] __sys_sendmsg+0xcd/0x170 [ 5241.412615][ T1167] do_syscall_64+0xc6/0x1e0 [ 5241.412615][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5241.412615][ T1167] [ 5241.414354][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5241.414354][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5241.414354][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5241.414354][ T1167] ipv6_find_idev+0x102/0x170 [ 5241.414354][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5241.414354][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5241.414354][ T1167] netlink_rcv_skb+0x130/0x360 [ 5241.414354][ T1167] netlink_unicast+0x449/0x710 [ 5241.414354][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5241.414354][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5241.414354][ T1167] ___sys_sendmsg+0xee/0x170 [ 5241.414354][ T1167] __sys_sendmsg+0xcd/0x170 [ 5241.414354][ T1167] do_syscall_64+0xc6/0x1e0 [ 5241.414354][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5241.414354][ T1167] [ 5249.425114][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5249.425529][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5249.425529][ T10] netdev_get_by_index+0x5e/0x80 [ 5249.425529][ T10] fib6_nh_init+0x3d8/0x1580 [ 5249.425529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5249.425529][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5249.425529][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5249.425529][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5249.425529][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5249.425529][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5249.425529][ T10] addrconf_dad_begin+0x310/0x670 [ 5249.425529][ T10] addrconf_dad_work+0x10b/0xab0 [ 5249.425529][ T10] process_one_work+0x84d/0x18a0 [ 5249.425529][ T10] worker_thread+0x587/0xd30 [ 5249.425529][ T10] kthread+0x28a/0x350 [ 5249.425529][ T10] ret_from_fork+0x31/0x70 [ 5249.425529][ T10] ret_from_fork_asm+0x1a/0x30 [ 5249.425529][ T10] [ 5249.427474][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5249.427474][ T10] netdev_get_by_index+0x5e/0x80 [ 5249.427474][ T10] fib6_nh_init+0x3d8/0x1580 [ 5249.427474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5249.427474][ T10] ip6_route_add+0x1c/0x140 [ 5249.427474][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5249.427474][ T10] inet6_addr_add+0x4f8/0xa40 [ 5249.427474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5249.427474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5249.427474][ T10] netlink_rcv_skb+0x130/0x360 [ 5249.427474][ T10] netlink_unicast+0x449/0x710 [ 5249.427474][ T10] netlink_sendmsg+0x723/0xbe0 [ 5249.427474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5249.427474][ T10] ___sys_sendmsg+0xee/0x170 [ 5249.427474][ T10] __sys_sendmsg+0xcd/0x170 [ 5249.427474][ T10] do_syscall_64+0xc6/0x1e0 [ 5249.427474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5249.427474][ T10] [ 5249.429485][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5249.429485][ T10] netdev_get_by_index+0x5e/0x80 [ 5249.429485][ T10] fib6_nh_init+0x3d8/0x1580 [ 5249.429485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5249.429485][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5249.429485][ T10] ipv6_add_addr+0x411/0x2000 [ 5249.429485][ T10] inet6_addr_add+0x30e/0xa40 [ 5249.429485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5249.429485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5249.429485][ T10] netlink_rcv_skb+0x130/0x360 [ 5249.429485][ T10] netlink_unicast+0x449/0x710 [ 5249.429485][ T10] netlink_sendmsg+0x723/0xbe0 [ 5249.429485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5249.429485][ T10] ___sys_sendmsg+0xee/0x170 [ 5249.429485][ T10] __sys_sendmsg+0xcd/0x170 [ 5249.429485][ T10] do_syscall_64+0xc6/0x1e0 [ 5249.429485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5249.429485][ T10] [ 5249.431483][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5249.431483][ T10] netdev_get_by_index+0x5e/0x80 [ 5249.431483][ T10] fib6_nh_init+0x3d8/0x1580 [ 5249.431483][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5249.431483][ T10] ip6_route_add+0x1c/0x140 [ 5249.431483][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5249.431483][ T10] addrconf_add_dev+0xe2/0x170 [ 5249.431483][ T10] inet6_addr_add+0x12f/0xa40 [ 5249.431483][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5249.431483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5249.431483][ T10] netlink_rcv_skb+0x130/0x360 [ 5249.431483][ T10] netlink_unicast+0x449/0x710 [ 5249.431483][ T10] netlink_sendmsg+0x723/0xbe0 [ 5249.431483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5249.431483][ T10] ___sys_sendmsg+0xee/0x170 [ 5249.431483][ T10] __sys_sendmsg+0xcd/0x170 [ 5249.431483][ T10] do_syscall_64+0xc6/0x1e0 [ 5249.431483][ T10] [ 5249.433459][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5249.433459][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5249.433459][ T10] ipv6_find_idev+0x102/0x170 [ 5249.433459][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5249.433459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5249.433459][ T10] netlink_rcv_skb+0x130/0x360 [ 5249.433459][ T10] netlink_unicast+0x449/0x710 [ 5249.433459][ T10] netlink_sendmsg+0x723/0xbe0 [ 5249.433459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5249.433459][ T10] ___sys_sendmsg+0xee/0x170 [ 5249.433459][ T10] __sys_sendmsg+0xcd/0x170 [ 5249.433459][ T10] do_syscall_64+0xc6/0x1e0 [ 5249.433459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5249.433459][ T10] [ 5249.435002][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5249.435002][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5249.435002][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5249.435002][ T10] ipv6_find_idev+0x102/0x170 [ 5249.435002][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5249.435002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5249.435002][ T10] netlink_rcv_skb+0x130/0x360 [ 5249.435002][ T10] netlink_unicast+0x449/0x710 [ 5249.435002][ T10] netlink_sendmsg+0x723/0xbe0 [ 5249.435002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5249.435002][ T10] ___sys_sendmsg+0xee/0x170 [ 5249.435002][ T10] __sys_sendmsg+0xcd/0x170 [ 5249.435002][ T10] do_syscall_64+0xc6/0x1e0 [ 5249.435002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5249.435002][ T10] [ 5249.436692][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5249.436943][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5249.436943][ T10] netdev_get_by_index+0x5e/0x80 [ 5249.436943][ T10] fib6_nh_init+0x3d8/0x1580 [ 5249.436943][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5249.436943][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5249.436943][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5249.436943][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5249.436943][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5249.436943][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5249.436943][ T10] addrconf_dad_begin+0x310/0x670 [ 5249.436943][ T10] addrconf_dad_work+0x10b/0xab0 [ 5249.436943][ T10] process_one_work+0x84d/0x18a0 [ 5249.436943][ T10] worker_thread+0x587/0xd30 [ 5249.436943][ T10] kthread+0x28a/0x350 [ 5249.436943][ T10] ret_from_fork+0x31/0x70 [ 5249.436943][ T10] ret_from_fork_asm+0x1a/0x30 [ 5249.436943][ T10] [ 5249.438847][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5249.438847][ T10] netdev_get_by_index+0x5e/0x80 [ 5249.438847][ T10] fib6_nh_init+0x3d8/0x1580 [ 5249.438847][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5249.438847][ T10] ip6_route_add+0x1c/0x140 [ 5249.438847][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5249.438847][ T10] inet6_addr_add+0x4f8/0xa40 [ 5249.438847][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5249.438847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5249.438847][ T10] netlink_rcv_skb+0x130/0x360 [ 5249.438847][ T10] netlink_unicast+0x449/0x710 [ 5249.438847][ T10] netlink_sendmsg+0x723/0xbe0 [ 5249.438847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5249.438847][ T10] ___sys_sendmsg+0xee/0x170 [ 5249.438847][ T10] __sys_sendmsg+0xcd/0x170 [ 5249.438847][ T10] do_syscall_64+0xc6/0x1e0 [ 5249.438847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5249.438847][ T10] [ 5249.440845][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5249.440845][ T10] netdev_get_by_index+0x5e/0x80 [ 5249.440845][ T10] fib6_nh_init+0x3d8/0x1580 [ 5249.440845][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5249.440845][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5249.440845][ T10] ipv6_add_addr+0x411/0x2000 [ 5249.440845][ T10] inet6_addr_add+0x30e/0xa40 [ 5249.440845][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5249.440845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5249.440845][ T10] netlink_rcv_skb+0x130/0x360 [ 5249.440845][ T10] netlink_unicast+0x449/0x710 [ 5249.440845][ T10] netlink_sendmsg+0x723/0xbe0 [ 5249.440845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5249.440845][ T10] ___sys_sendmsg+0xee/0x170 [ 5249.440845][ T10] __sys_sendmsg+0xcd/0x170 [ 5249.440845][ T10] do_syscall_64+0xc6/0x1e0 [ 5249.440845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5249.440845][ T10] [ 5249.442837][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5249.442837][ T10] netdev_get_by_index+0x5e/0x80 [ 5249.442837][ T10] fib6_nh_init+0x3d8/0x1580 [ 5249.442837][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5249.442837][ T10] ip6_route_add+0x1c/0x140 [ 5249.442837][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5249.442837][ T10] addrconf_add_dev+0xe2/0x170 [ 5249.442837][ T10] inet6_addr_add+0x12f/0xa40 [ 5249.442837][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5249.442837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5249.442837][ T10] netlink_rcv_skb+0x130/0x360 [ 5249.442837][ T10] netlink_unicast+0x449/0x710 [ 5249.442837][ T10] netlink_sendmsg+0x723/0xbe0 [ 5249.442837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5249.442837][ T10] ___sys_sendmsg+0xee/0x170 [ 5249.442837][ T10] __sys_sendmsg+0xcd/0x170 [ 5249.442837][ T10] do_syscall_64+0xc6/0x1e0 [ 5249.442837][ T10] [ 5249.444813][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5249.444813][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5249.444813][ T10] ipv6_find_idev+0x102/0x170 [ 5249.444813][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5249.444813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5249.444813][ T10] netlink_rcv_skb+0x130/0x360 [ 5249.444813][ T10] netlink_unicast+0x449/0x710 [ 5249.444813][ T10] netlink_sendmsg+0x723/0xbe0 [ 5249.444813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5249.444813][ T10] ___sys_sendmsg+0xee/0x170 [ 5249.444813][ T10] __sys_sendmsg+0xcd/0x170 [ 5249.444813][ T10] do_syscall_64+0xc6/0x1e0 [ 5249.444813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5249.444813][ T10] [ 5249.446356][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5249.446356][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5249.446356][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5249.446356][ T10] ipv6_find_idev+0x102/0x170 [ 5249.446356][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5249.446356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5249.446356][ T10] netlink_rcv_skb+0x130/0x360 [ 5249.446356][ T10] netlink_unicast+0x449/0x710 [ 5249.446356][ T10] netlink_sendmsg+0x723/0xbe0 [ 5249.446356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5249.446356][ T10] ___sys_sendmsg+0xee/0x170 [ 5249.446356][ T10] __sys_sendmsg+0xcd/0x170 [ 5249.446356][ T10] do_syscall_64+0xc6/0x1e0 [ 5249.446356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5249.446356][ T10] [ 5249.448043][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5249.448281][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5249.448281][ T10] netdev_get_by_index+0x5e/0x80 [ 5249.448281][ T10] fib6_nh_init+0x3d8/0x1580 [ 5249.448281][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5249.448281][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5249.448281][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5249.448281][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5249.448281][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5249.448281][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5249.448281][ T10] addrconf_dad_begin+0x310/0x670 [ 5249.448281][ T10] addrconf_dad_work+0x10b/0xab0 [ 5249.448281][ T10] process_one_work+0x84d/0x18a0 [ 5249.448281][ T10] worker_thread+0x587/0xd30 [ 5249.448281][ T10] kthread+0x28a/0x350 [ 5249.448281][ T10] ret_from_fork+0x31/0x70 [ 5249.448281][ T10] ret_from_fork_asm+0x1a/0x30 [ 5249.448281][ T10] [ 5249.450210][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5249.450210][ T10] netdev_get_by_index+0x5e/0x80 [ 5249.450210][ T10] fib6_nh_init+0x3d8/0x1580 [ 5249.450210][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5249.450210][ T10] ip6_route_add+0x1c/0x140 [ 5249.450210][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5249.450210][ T10] inet6_addr_add+0x4f8/0xa40 [ 5249.450210][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5249.450210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5249.450210][ T10] netlink_rcv_skb+0x130/0x360 [ 5249.450210][ T10] netlink_unicast+0x449/0x710 [ 5249.450210][ T10] netlink_sendmsg+0x723/0xbe0 [ 5249.450210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5249.450210][ T10] ___sys_sendmsg+0xee/0x170 [ 5249.450210][ T10] __sys_sendmsg+0xcd/0x170 [ 5249.450210][ T10] do_syscall_64+0xc6/0x1e0 [ 5249.450210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5249.450210][ T10] [ 5249.452386][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5249.452386][ T10] netdev_get_by_index+0x5e/0x80 [ 5249.452386][ T10] fib6_nh_init+0x3d8/0x1580 [ 5249.452386][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5249.452386][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5249.452386][ T10] ipv6_add_addr+0x411/0x2000 [ 5249.452386][ T10] inet6_addr_add+0x30e/0xa40 [ 5249.452386][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5249.452386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5249.452386][ T10] netlink_rcv_skb+0x130/0x360 [ 5249.452386][ T10] netlink_unicast+0x449/0x710 [ 5249.452386][ T10] netlink_sendmsg+0x723/0xbe0 [ 5249.452386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5249.452386][ T10] ___sys_sendmsg+0xee/0x170 [ 5249.452386][ T10] __sys_sendmsg+0xcd/0x170 [ 5249.452386][ T10] do_syscall_64+0xc6/0x1e0 [ 5249.452386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5249.452386][ T10] [ 5249.454643][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5249.454643][ T10] netdev_get_by_index+0x5e/0x80 [ 5249.454643][ T10] fib6_nh_init+0x3d8/0x1580 [ 5249.454643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5249.454643][ T10] ip6_route_add+0x1c/0x140 [ 5249.454643][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5249.454643][ T10] addrconf_add_dev+0xe2/0x170 [ 5249.454643][ T10] inet6_addr_add+0x12f/0xa40 [ 5249.454643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5249.454643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5249.454643][ T10] netlink_rcv_skb+0x130/0x360 [ 5249.454643][ T10] netlink_unicast+0x449/0x710 [ 5249.454643][ T10] netlink_sendmsg+0x723/0xbe0 [ 5249.454643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5249.454643][ T10] ___sys_sendmsg+0xee/0x170 [ 5249.454643][ T10] __sys_sendmsg+0xcd/0x170 [ 5249.454643][ T10] do_syscall_64+0xc6/0x1e0 [ 5249.454643][ T10] [ 5249.456913][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5249.456913][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5249.456913][ T10] ipv6_find_idev+0x102/0x170 [ 5249.456913][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5249.456913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5249.456913][ T10] netlink_rcv_skb+0x130/0x360 [ 5249.456913][ T10] netlink_unicast+0x449/0x710 [ 5249.456913][ T10] netlink_sendmsg+0x723/0xbe0 [ 5249.456913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5249.456913][ T10] ___sys_sendmsg+0xee/0x170 [ 5249.456913][ T10] __sys_sendmsg+0xcd/0x170 [ 5249.456913][ T10] do_syscall_64+0xc6/0x1e0 [ 5249.456913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5249.456913][ T10] [ 5249.458637][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5249.458637][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5249.458637][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5249.458637][ T10] ipv6_find_idev+0x102/0x170 [ 5249.458637][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5249.458637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5249.458637][ T10] netlink_rcv_skb+0x130/0x360 [ 5249.458637][ T10] netlink_unicast+0x449/0x710 [ 5249.458637][ T10] netlink_sendmsg+0x723/0xbe0 [ 5249.458637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5249.458637][ T10] ___sys_sendmsg+0xee/0x170 [ 5249.458637][ T10] __sys_sendmsg+0xcd/0x170 [ 5249.458637][ T10] do_syscall_64+0xc6/0x1e0 [ 5249.458637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5249.458637][ T10] [ 5249.460513][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5249.460745][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5249.460745][ T10] netdev_get_by_index+0x5e/0x80 [ 5249.460745][ T10] fib6_nh_init+0x3d8/0x1580 [ 5249.460745][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5249.460745][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5249.460745][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5249.460745][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5249.460745][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5249.460745][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5249.460745][ T10] addrconf_dad_begin+0x310/0x670 [ 5249.460745][ T10] addrconf_dad_work+0x10b/0xab0 [ 5249.460745][ T10] process_one_work+0x84d/0x18a0 [ 5249.460745][ T10] worker_thread+0x587/0xd30 [ 5249.460745][ T10] kthread+0x28a/0x350 [ 5249.460745][ T10] ret_from_fork+0x31/0x70 [ 5249.460745][ T10] ret_from_fork_asm+0x1a/0x30 [ 5249.460745][ T10] [ 5249.462905][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5249.462905][ T10] netdev_get_by_index+0x5e/0x80 [ 5249.462905][ T10] fib6_nh_init+0x3d8/0x1580 [ 5249.462905][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5249.462905][ T10] ip6_route_add+0x1c/0x140 [ 5249.462905][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5249.462905][ T10] inet6_addr_add+0x4f8/0xa40 [ 5249.462905][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5249.462905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5249.462905][ T10] netlink_rcv_skb+0x130/0x360 [ 5249.462905][ T10] netlink_unicast+0x449/0x710 [ 5249.462905][ T10] netlink_sendmsg+0x723/0xbe0 [ 5249.462905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5249.462905][ T10] ___sys_sendmsg+0xee/0x170 [ 5249.462905][ T10] __sys_sendmsg+0xcd/0x170 [ 5249.462905][ T10] do_syscall_64+0xc6/0x1e0 [ 5249.462905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5249.462905][ T10] [ 5249.465219][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5249.465219][ T10] netdev_get_by_index+0x5e/0x80 [ 5249.465219][ T10] fib6_nh_init+0x3d8/0x1580 [ 5249.465219][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5249.465219][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5249.465219][ T10] ipv6_add_addr+0x411/0x2000 [ 5249.465219][ T10] inet6_addr_add+0x30e/0xa40 [ 5249.465219][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5249.465219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5249.465219][ T10] netlink_rcv_skb+0x130/0x360 [ 5249.465219][ T10] netlink_unicast+0x449/0x710 [ 5249.465219][ T10] netlink_sendmsg+0x723/0xbe0 [ 5249.465219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5249.465219][ T10] ___sys_sendmsg+0xee/0x170 [ 5249.465219][ T10] __sys_sendmsg+0xcd/0x170 [ 5249.465219][ T10] do_syscall_64+0xc6/0x1e0 [ 5249.465219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5249.465219][ T10] [ 5249.467475][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5249.467475][ T10] netdev_get_by_index+0x5e/0x80 [ 5249.467475][ T10] fib6_nh_init+0x3d8/0x1580 [ 5249.467475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5249.467475][ T10] ip6_route_add+0x1c/0x140 [ 5249.467475][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5249.467475][ T10] addrconf_add_dev+0xe2/0x170 [ 5249.467475][ T10] inet6_addr_add+0x12f/0xa40 [ 5249.467475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5249.467475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5249.467475][ T10] netlink_rcv_skb+0x130/0x360 [ 5249.467475][ T10] netlink_unicast+0x449/0x710 [ 5249.467475][ T10] netlink_sendmsg+0x723/0xbe0 [ 5249.467475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5249.467475][ T10] ___sys_sendmsg+0xee/0x170 [ 5249.467475][ T10] __sys_sendmsg+0xcd/0x170 [ 5249.467475][ T10] do_syscall_64+0xc6/0x1e0 [ 5249.467475][ T10] [ 5249.469609][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5249.469609][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5249.469609][ T10] ipv6_find_idev+0x102/0x170 [ 5249.469609][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5249.469609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5249.469609][ T10] netlink_rcv_skb+0x130/0x360 [ 5249.469609][ T10] netlink_unicast+0x449/0x710 [ 5249.469609][ T10] netlink_sendmsg+0x723/0xbe0 [ 5249.469609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5249.469609][ T10] ___sys_sendmsg+0xee/0x170 [ 5249.469609][ T10] __sys_sendmsg+0xcd/0x170 [ 5249.469609][ T10] do_syscall_64+0xc6/0x1e0 [ 5249.469609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5249.469609][ T10] [ 5249.471334][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5249.471334][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5249.471334][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5249.471334][ T10] ipv6_find_idev+0x102/0x170 [ 5249.471334][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5249.471334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5249.471334][ T10] netlink_rcv_skb+0x130/0x360 [ 5249.471334][ T10] netlink_unicast+0x449/0x710 [ 5249.471334][ T10] netlink_sendmsg+0x723/0xbe0 [ 5249.471334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5249.471334][ T10] ___sys_sendmsg+0xee/0x170 [ 5249.471334][ T10] __sys_sendmsg+0xcd/0x170 [ 5249.471334][ T10] do_syscall_64+0xc6/0x1e0 [ 5249.471334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5249.471334][ T10] [ 5251.657127][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5251.657549][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5251.657549][ T1167] dst_init+0x84/0x4a0 [ 5251.657549][ T1167] dst_alloc+0x97/0x150 [ 5251.657549][ T1167] ip6_dst_alloc+0x23/0x90 [ 5251.657549][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5251.657549][ T1167] ip6_pol_route+0x56f/0x840 [ 5251.657549][ T1167] fib6_rule_lookup+0x334/0x630 [ 5251.657549][ T1167] ip6_route_output_flags+0x259/0x480 [ 5251.657549][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5251.657549][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5251.657549][ T1167] netlink_rcv_skb+0x130/0x360 [ 5251.657549][ T1167] netlink_unicast+0x449/0x710 [ 5251.657549][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5251.657549][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5251.657549][ T1167] ___sys_sendmsg+0xee/0x170 [ 5251.657549][ T1167] __sys_sendmsg+0xcd/0x170 [ 5251.657549][ T1167] do_syscall_64+0xc6/0x1e0 [ 5251.657549][ T1167] [ 5251.659742][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5251.659742][ T1167] netdev_get_by_index+0x5e/0x80 [ 5251.659742][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5251.659742][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5251.659742][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5251.659742][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5251.659742][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5251.659742][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5251.659742][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5251.659742][ T1167] addrconf_dad_begin+0x310/0x670 [ 5251.659742][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5251.659742][ T1167] process_one_work+0x84d/0x18a0 [ 5251.659742][ T1167] worker_thread+0x587/0xd30 [ 5251.659742][ T1167] kthread+0x28a/0x350 [ 5251.659742][ T1167] ret_from_fork+0x31/0x70 [ 5251.659742][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5251.659742][ T1167] [ 5251.663760][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5251.663760][ T1167] netdev_get_by_index+0x5e/0x80 [ 5251.663760][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5251.663760][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5251.663760][ T1167] ip6_route_add+0x1c/0x140 [ 5251.663760][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5251.663760][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5251.663760][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5251.663760][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5251.663760][ T1167] netlink_rcv_skb+0x130/0x360 [ 5251.663760][ T1167] netlink_unicast+0x449/0x710 [ 5251.663760][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5251.663760][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5251.663760][ T1167] ___sys_sendmsg+0xee/0x170 [ 5251.663760][ T1167] __sys_sendmsg+0xcd/0x170 [ 5251.663760][ T1167] do_syscall_64+0xc6/0x1e0 [ 5251.663760][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5251.663760][ T1167] [ 5251.666026][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5251.666026][ T1167] netdev_get_by_index+0x5e/0x80 [ 5251.666026][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5251.666026][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5251.666026][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5251.666026][ T1167] ipv6_add_addr+0x411/0x2000 [ 5251.666026][ T1167] inet6_addr_add+0x30e/0xa40 [ 5251.666026][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5251.666026][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5251.666026][ T1167] netlink_rcv_skb+0x130/0x360 [ 5251.666026][ T1167] netlink_unicast+0x449/0x710 [ 5251.666026][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5251.666026][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5251.666026][ T1167] ___sys_sendmsg+0xee/0x170 [ 5251.666026][ T1167] __sys_sendmsg+0xcd/0x170 [ 5251.666026][ T1167] do_syscall_64+0xc6/0x1e0 [ 5251.666026][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5251.666026][ T1167] [ 5251.668279][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5251.668279][ T1167] netdev_get_by_index+0x5e/0x80 [ 5251.668279][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5251.668279][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5251.668279][ T1167] ip6_route_add+0x1c/0x140 [ 5251.668279][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5251.668279][ T1167] addrconf_add_dev+0xe2/0x170 [ 5251.668279][ T1167] inet6_addr_add+0x12f/0xa40 [ 5251.668279][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5251.668279][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5251.668279][ T1167] netlink_rcv_skb+0x130/0x360 [ 5251.668279][ T1167] netlink_unicast+0x449/0x710 [ 5251.668279][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5251.668279][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5251.668279][ T1167] ___sys_sendmsg+0xee/0x170 [ 5251.668279][ T1167] __sys_sendmsg+0xcd/0x170 [ 5251.668279][ T1167] do_syscall_64+0xc6/0x1e0 [ 5251.668279][ T1167] [ 5251.670480][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5251.670480][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5251.670480][ T1167] ipv6_find_idev+0x102/0x170 [ 5251.670480][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5251.670480][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5251.670480][ T1167] netlink_rcv_skb+0x130/0x360 [ 5251.670480][ T1167] netlink_unicast+0x449/0x710 [ 5251.670480][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5251.670480][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5251.670480][ T1167] ___sys_sendmsg+0xee/0x170 [ 5251.670480][ T1167] __sys_sendmsg+0xcd/0x170 [ 5251.670480][ T1167] do_syscall_64+0xc6/0x1e0 [ 5251.670480][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5251.670480][ T1167] [ 5251.672217][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5251.672217][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5251.672217][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5251.672217][ T1167] ipv6_find_idev+0x102/0x170 [ 5251.672217][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5251.672217][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5251.672217][ T1167] netlink_rcv_skb+0x130/0x360 [ 5251.672217][ T1167] netlink_unicast+0x449/0x710 [ 5251.672217][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5251.672217][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5251.672217][ T1167] ___sys_sendmsg+0xee/0x170 [ 5251.672217][ T1167] __sys_sendmsg+0xcd/0x170 [ 5251.672217][ T1167] do_syscall_64+0xc6/0x1e0 [ 5251.672217][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5251.672217][ T1167] [ 5259.729111][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5259.729512][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5259.729512][ T10] netdev_get_by_index+0x5e/0x80 [ 5259.729512][ T10] fib6_nh_init+0x3d8/0x1580 [ 5259.729512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5259.729512][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5259.729512][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5259.729512][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5259.729512][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5259.729512][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5259.729512][ T10] addrconf_dad_begin+0x310/0x670 [ 5259.729512][ T10] addrconf_dad_work+0x10b/0xab0 [ 5259.729512][ T10] process_one_work+0x84d/0x18a0 [ 5259.729512][ T10] worker_thread+0x587/0xd30 [ 5259.729512][ T10] kthread+0x28a/0x350 [ 5259.729512][ T10] ret_from_fork+0x31/0x70 [ 5259.729512][ T10] ret_from_fork_asm+0x1a/0x30 [ 5259.729512][ T10] [ 5259.731455][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5259.731455][ T10] netdev_get_by_index+0x5e/0x80 [ 5259.731455][ T10] fib6_nh_init+0x3d8/0x1580 [ 5259.731455][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5259.731455][ T10] ip6_route_add+0x1c/0x140 [ 5259.731455][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5259.731455][ T10] inet6_addr_add+0x4f8/0xa40 [ 5259.731455][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5259.731455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5259.731455][ T10] netlink_rcv_skb+0x130/0x360 [ 5259.731455][ T10] netlink_unicast+0x449/0x710 [ 5259.731455][ T10] netlink_sendmsg+0x723/0xbe0 [ 5259.731455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5259.731455][ T10] ___sys_sendmsg+0xee/0x170 [ 5259.731455][ T10] __sys_sendmsg+0xcd/0x170 [ 5259.731455][ T10] do_syscall_64+0xc6/0x1e0 [ 5259.731455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5259.731455][ T10] [ 5259.733535][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5259.733535][ T10] netdev_get_by_index+0x5e/0x80 [ 5259.733535][ T10] fib6_nh_init+0x3d8/0x1580 [ 5259.733535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5259.733535][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5259.733535][ T10] ipv6_add_addr+0x411/0x2000 [ 5259.733535][ T10] inet6_addr_add+0x30e/0xa40 [ 5259.733535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5259.733535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5259.733535][ T10] netlink_rcv_skb+0x130/0x360 [ 5259.733535][ T10] netlink_unicast+0x449/0x710 [ 5259.733535][ T10] netlink_sendmsg+0x723/0xbe0 [ 5259.733535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5259.733535][ T10] ___sys_sendmsg+0xee/0x170 [ 5259.733535][ T10] __sys_sendmsg+0xcd/0x170 [ 5259.733535][ T10] do_syscall_64+0xc6/0x1e0 [ 5259.733535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5259.733535][ T10] [ 5259.735546][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5259.735546][ T10] netdev_get_by_index+0x5e/0x80 [ 5259.735546][ T10] fib6_nh_init+0x3d8/0x1580 [ 5259.735546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5259.735546][ T10] ip6_route_add+0x1c/0x140 [ 5259.735546][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5259.735546][ T10] addrconf_add_dev+0xe2/0x170 [ 5259.735546][ T10] inet6_addr_add+0x12f/0xa40 [ 5259.735546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5259.735546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5259.735546][ T10] netlink_rcv_skb+0x130/0x360 [ 5259.735546][ T10] netlink_unicast+0x449/0x710 [ 5259.735546][ T10] netlink_sendmsg+0x723/0xbe0 [ 5259.735546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5259.735546][ T10] ___sys_sendmsg+0xee/0x170 [ 5259.735546][ T10] __sys_sendmsg+0xcd/0x170 [ 5259.735546][ T10] do_syscall_64+0xc6/0x1e0 [ 5259.735546][ T10] [ 5259.737502][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5259.737502][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5259.737502][ T10] ipv6_find_idev+0x102/0x170 [ 5259.737502][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5259.737502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5259.737502][ T10] netlink_rcv_skb+0x130/0x360 [ 5259.737502][ T10] netlink_unicast+0x449/0x710 [ 5259.737502][ T10] netlink_sendmsg+0x723/0xbe0 [ 5259.737502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5259.737502][ T10] ___sys_sendmsg+0xee/0x170 [ 5259.737502][ T10] __sys_sendmsg+0xcd/0x170 [ 5259.737502][ T10] do_syscall_64+0xc6/0x1e0 [ 5259.737502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5259.737502][ T10] [ 5259.739047][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5259.739047][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5259.739047][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5259.739047][ T10] ipv6_find_idev+0x102/0x170 [ 5259.739047][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5259.739047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5259.739047][ T10] netlink_rcv_skb+0x130/0x360 [ 5259.739047][ T10] netlink_unicast+0x449/0x710 [ 5259.739047][ T10] netlink_sendmsg+0x723/0xbe0 [ 5259.739047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5259.739047][ T10] ___sys_sendmsg+0xee/0x170 [ 5259.739047][ T10] __sys_sendmsg+0xcd/0x170 [ 5259.739047][ T10] do_syscall_64+0xc6/0x1e0 [ 5259.739047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5259.739047][ T10] [ 5259.740745][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5259.740995][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5259.740995][ T10] netdev_get_by_index+0x5e/0x80 [ 5259.740995][ T10] fib6_nh_init+0x3d8/0x1580 [ 5259.740995][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5259.740995][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5259.740995][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5259.740995][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5259.740995][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5259.740995][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5259.740995][ T10] addrconf_dad_begin+0x310/0x670 [ 5259.740995][ T10] addrconf_dad_work+0x10b/0xab0 [ 5259.740995][ T10] process_one_work+0x84d/0x18a0 [ 5259.740995][ T10] worker_thread+0x587/0xd30 [ 5259.740995][ T10] kthread+0x28a/0x350 [ 5259.740995][ T10] ret_from_fork+0x31/0x70 [ 5259.740995][ T10] ret_from_fork_asm+0x1a/0x30 [ 5259.740995][ T10] [ 5259.742911][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5259.742911][ T10] netdev_get_by_index+0x5e/0x80 [ 5259.742911][ T10] fib6_nh_init+0x3d8/0x1580 [ 5259.742911][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5259.742911][ T10] ip6_route_add+0x1c/0x140 [ 5259.742911][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5259.742911][ T10] inet6_addr_add+0x4f8/0xa40 [ 5259.742911][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5259.742911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5259.742911][ T10] netlink_rcv_skb+0x130/0x360 [ 5259.742911][ T10] netlink_unicast+0x449/0x710 [ 5259.742911][ T10] netlink_sendmsg+0x723/0xbe0 [ 5259.742911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5259.742911][ T10] ___sys_sendmsg+0xee/0x170 [ 5259.742911][ T10] __sys_sendmsg+0xcd/0x170 [ 5259.742911][ T10] do_syscall_64+0xc6/0x1e0 [ 5259.742911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5259.742911][ T10] [ 5259.744950][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5259.744950][ T10] netdev_get_by_index+0x5e/0x80 [ 5259.744950][ T10] fib6_nh_init+0x3d8/0x1580 [ 5259.744950][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5259.744950][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5259.744950][ T10] ipv6_add_addr+0x411/0x2000 [ 5259.744950][ T10] inet6_addr_add+0x30e/0xa40 [ 5259.744950][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5259.744950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5259.744950][ T10] netlink_rcv_skb+0x130/0x360 [ 5259.744950][ T10] netlink_unicast+0x449/0x710 [ 5259.744950][ T10] netlink_sendmsg+0x723/0xbe0 [ 5259.744950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5259.744950][ T10] ___sys_sendmsg+0xee/0x170 [ 5259.744950][ T10] __sys_sendmsg+0xcd/0x170 [ 5259.744950][ T10] do_syscall_64+0xc6/0x1e0 [ 5259.744950][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5259.744950][ T10] [ 5259.746957][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5259.746957][ T10] netdev_get_by_index+0x5e/0x80 [ 5259.746957][ T10] fib6_nh_init+0x3d8/0x1580 [ 5259.746957][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5259.746957][ T10] ip6_route_add+0x1c/0x140 [ 5259.746957][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5259.746957][ T10] addrconf_add_dev+0xe2/0x170 [ 5259.746957][ T10] inet6_addr_add+0x12f/0xa40 [ 5259.746957][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5259.746957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5259.746957][ T10] netlink_rcv_skb+0x130/0x360 [ 5259.746957][ T10] netlink_unicast+0x449/0x710 [ 5259.746957][ T10] netlink_sendmsg+0x723/0xbe0 [ 5259.746957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5259.746957][ T10] ___sys_sendmsg+0xee/0x170 [ 5259.746957][ T10] __sys_sendmsg+0xcd/0x170 [ 5259.746957][ T10] do_syscall_64+0xc6/0x1e0 [ 5259.746957][ T10] [ 5259.748924][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5259.748924][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5259.748924][ T10] ipv6_find_idev+0x102/0x170 [ 5259.748924][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5259.748924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5259.748924][ T10] netlink_rcv_skb+0x130/0x360 [ 5259.748924][ T10] netlink_unicast+0x449/0x710 [ 5259.748924][ T10] netlink_sendmsg+0x723/0xbe0 [ 5259.748924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5259.748924][ T10] ___sys_sendmsg+0xee/0x170 [ 5259.748924][ T10] __sys_sendmsg+0xcd/0x170 [ 5259.748924][ T10] do_syscall_64+0xc6/0x1e0 [ 5259.748924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5259.748924][ T10] [ 5259.750466][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5259.750466][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5259.750466][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5259.750466][ T10] ipv6_find_idev+0x102/0x170 [ 5259.750466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5259.750466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5259.750466][ T10] netlink_rcv_skb+0x130/0x360 [ 5259.750466][ T10] netlink_unicast+0x449/0x710 [ 5259.750466][ T10] netlink_sendmsg+0x723/0xbe0 [ 5259.750466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5259.750466][ T10] ___sys_sendmsg+0xee/0x170 [ 5259.750466][ T10] __sys_sendmsg+0xcd/0x170 [ 5259.750466][ T10] do_syscall_64+0xc6/0x1e0 [ 5259.750466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5259.750466][ T10] [ 5259.752170][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5259.752409][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5259.752409][ T10] netdev_get_by_index+0x5e/0x80 [ 5259.752409][ T10] fib6_nh_init+0x3d8/0x1580 [ 5259.752409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5259.752409][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5259.752409][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5259.752409][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5259.752409][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5259.752409][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5259.752409][ T10] addrconf_dad_begin+0x310/0x670 [ 5259.752409][ T10] addrconf_dad_work+0x10b/0xab0 [ 5259.752409][ T10] process_one_work+0x84d/0x18a0 [ 5259.752409][ T10] worker_thread+0x587/0xd30 [ 5259.752409][ T10] kthread+0x28a/0x350 [ 5259.752409][ T10] ret_from_fork+0x31/0x70 [ 5259.752409][ T10] ret_from_fork_asm+0x1a/0x30 [ 5259.752409][ T10] [ 5259.754357][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5259.754357][ T10] netdev_get_by_index+0x5e/0x80 [ 5259.754357][ T10] fib6_nh_init+0x3d8/0x1580 [ 5259.754357][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5259.754357][ T10] ip6_route_add+0x1c/0x140 [ 5259.754357][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5259.754357][ T10] inet6_addr_add+0x4f8/0xa40 [ 5259.754357][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5259.754357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5259.754357][ T10] netlink_rcv_skb+0x130/0x360 [ 5259.754357][ T10] netlink_unicast+0x449/0x710 [ 5259.754357][ T10] netlink_sendmsg+0x723/0xbe0 [ 5259.754357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5259.754357][ T10] ___sys_sendmsg+0xee/0x170 [ 5259.754357][ T10] __sys_sendmsg+0xcd/0x170 [ 5259.754357][ T10] do_syscall_64+0xc6/0x1e0 [ 5259.754357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5259.754357][ T10] [ 5259.756574][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5259.756574][ T10] netdev_get_by_index+0x5e/0x80 [ 5259.756574][ T10] fib6_nh_init+0x3d8/0x1580 [ 5259.756574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5259.756574][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5259.756574][ T10] ipv6_add_addr+0x411/0x2000 [ 5259.756574][ T10] inet6_addr_add+0x30e/0xa40 [ 5259.756574][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5259.756574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5259.756574][ T10] netlink_rcv_skb+0x130/0x360 [ 5259.756574][ T10] netlink_unicast+0x449/0x710 [ 5259.756574][ T10] netlink_sendmsg+0x723/0xbe0 [ 5259.756574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5259.756574][ T10] ___sys_sendmsg+0xee/0x170 [ 5259.756574][ T10] __sys_sendmsg+0xcd/0x170 [ 5259.756574][ T10] do_syscall_64+0xc6/0x1e0 [ 5259.756574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5259.756574][ T10] [ 5259.758868][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5259.758868][ T10] netdev_get_by_index+0x5e/0x80 [ 5259.758868][ T10] fib6_nh_init+0x3d8/0x1580 [ 5259.758868][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5259.758868][ T10] ip6_route_add+0x1c/0x140 [ 5259.758868][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5259.758868][ T10] addrconf_add_dev+0xe2/0x170 [ 5259.758868][ T10] inet6_addr_add+0x12f/0xa40 [ 5259.758868][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5259.758868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5259.758868][ T10] netlink_rcv_skb+0x130/0x360 [ 5259.758868][ T10] netlink_unicast+0x449/0x710 [ 5259.758868][ T10] netlink_sendmsg+0x723/0xbe0 [ 5259.758868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5259.758868][ T10] ___sys_sendmsg+0xee/0x170 [ 5259.758868][ T10] __sys_sendmsg+0xcd/0x170 [ 5259.758868][ T10] do_syscall_64+0xc6/0x1e0 [ 5259.758868][ T10] [ 5259.761157][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5259.761157][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5259.761157][ T10] ipv6_find_idev+0x102/0x170 [ 5259.761157][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5259.761157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5259.761157][ T10] netlink_rcv_skb+0x130/0x360 [ 5259.761157][ T10] netlink_unicast+0x449/0x710 [ 5259.761157][ T10] netlink_sendmsg+0x723/0xbe0 [ 5259.761157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5259.761157][ T10] ___sys_sendmsg+0xee/0x170 [ 5259.761157][ T10] __sys_sendmsg+0xcd/0x170 [ 5259.761157][ T10] do_syscall_64+0xc6/0x1e0 [ 5259.761157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5259.761157][ T10] [ 5259.762990][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5259.762990][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5259.762990][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5259.762990][ T10] ipv6_find_idev+0x102/0x170 [ 5259.762990][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5259.762990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5259.762990][ T10] netlink_rcv_skb+0x130/0x360 [ 5259.762990][ T10] netlink_unicast+0x449/0x710 [ 5259.762990][ T10] netlink_sendmsg+0x723/0xbe0 [ 5259.762990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5259.762990][ T10] ___sys_sendmsg+0xee/0x170 [ 5259.762990][ T10] __sys_sendmsg+0xcd/0x170 [ 5259.762990][ T10] do_syscall_64+0xc6/0x1e0 [ 5259.762990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5259.762990][ T10] [ 5259.764914][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5259.765605][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5259.765605][ T10] netdev_get_by_index+0x5e/0x80 [ 5259.765605][ T10] fib6_nh_init+0x3d8/0x1580 [ 5259.765605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5259.765605][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5259.765605][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5259.765605][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5259.765605][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5259.765605][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5259.765605][ T10] addrconf_dad_begin+0x310/0x670 [ 5259.765605][ T10] addrconf_dad_work+0x10b/0xab0 [ 5259.765605][ T10] process_one_work+0x84d/0x18a0 [ 5259.765605][ T10] worker_thread+0x587/0xd30 [ 5259.765605][ T10] kthread+0x28a/0x350 [ 5259.765605][ T10] ret_from_fork+0x31/0x70 [ 5259.765605][ T10] ret_from_fork_asm+0x1a/0x30 [ 5259.765605][ T10] [ 5259.767709][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5259.767709][ T10] netdev_get_by_index+0x5e/0x80 [ 5259.767709][ T10] fib6_nh_init+0x3d8/0x1580 [ 5259.767709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5259.767709][ T10] ip6_route_add+0x1c/0x140 [ 5259.767709][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5259.767709][ T10] inet6_addr_add+0x4f8/0xa40 [ 5259.767709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5259.767709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5259.767709][ T10] netlink_rcv_skb+0x130/0x360 [ 5259.767709][ T10] netlink_unicast+0x449/0x710 [ 5259.767709][ T10] netlink_sendmsg+0x723/0xbe0 [ 5259.767709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5259.767709][ T10] ___sys_sendmsg+0xee/0x170 [ 5259.767709][ T10] __sys_sendmsg+0xcd/0x170 [ 5259.767709][ T10] do_syscall_64+0xc6/0x1e0 [ 5259.767709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5259.767709][ T10] [ 5259.769967][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5259.769967][ T10] netdev_get_by_index+0x5e/0x80 [ 5259.769967][ T10] fib6_nh_init+0x3d8/0x1580 [ 5259.769967][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5259.769967][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5259.769967][ T10] ipv6_add_addr+0x411/0x2000 [ 5259.769967][ T10] inet6_addr_add+0x30e/0xa40 [ 5259.769967][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5259.769967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5259.769967][ T10] netlink_rcv_skb+0x130/0x360 [ 5259.769967][ T10] netlink_unicast+0x449/0x710 [ 5259.769967][ T10] netlink_sendmsg+0x723/0xbe0 [ 5259.769967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5259.769967][ T10] ___sys_sendmsg+0xee/0x170 [ 5259.769967][ T10] __sys_sendmsg+0xcd/0x170 [ 5259.769967][ T10] do_syscall_64+0xc6/0x1e0 [ 5259.769967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5259.769967][ T10] [ 5259.772370][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5259.772370][ T10] netdev_get_by_index+0x5e/0x80 [ 5259.772370][ T10] fib6_nh_init+0x3d8/0x1580 [ 5259.772370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5259.772370][ T10] ip6_route_add+0x1c/0x140 [ 5259.772370][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5259.772370][ T10] addrconf_add_dev+0xe2/0x170 [ 5259.772370][ T10] inet6_addr_add+0x12f/0xa40 [ 5259.772370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5259.772370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5259.772370][ T10] netlink_rcv_skb+0x130/0x360 [ 5259.772370][ T10] netlink_unicast+0x449/0x710 [ 5259.772370][ T10] netlink_sendmsg+0x723/0xbe0 [ 5259.772370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5259.772370][ T10] ___sys_sendmsg+0xee/0x170 [ 5259.772370][ T10] __sys_sendmsg+0xcd/0x170 [ 5259.772370][ T10] do_syscall_64+0xc6/0x1e0 [ 5259.772370][ T10] [ 5259.774693][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5259.774693][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5259.774693][ T10] ipv6_find_idev+0x102/0x170 [ 5259.774693][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5259.774693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5259.774693][ T10] netlink_rcv_skb+0x130/0x360 [ 5259.774693][ T10] netlink_unicast+0x449/0x710 [ 5259.774693][ T10] netlink_sendmsg+0x723/0xbe0 [ 5259.774693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5259.774693][ T10] ___sys_sendmsg+0xee/0x170 [ 5259.774693][ T10] __sys_sendmsg+0xcd/0x170 [ 5259.774693][ T10] do_syscall_64+0xc6/0x1e0 [ 5259.774693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5259.774693][ T10] [ 5259.776445][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5259.776445][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5259.776445][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5259.776445][ T10] ipv6_find_idev+0x102/0x170 [ 5259.776445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5259.776445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5259.776445][ T10] netlink_rcv_skb+0x130/0x360 [ 5259.776445][ T10] netlink_unicast+0x449/0x710 [ 5259.776445][ T10] netlink_sendmsg+0x723/0xbe0 [ 5259.776445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5259.776445][ T10] ___sys_sendmsg+0xee/0x170 [ 5259.776445][ T10] __sys_sendmsg+0xcd/0x170 [ 5259.776445][ T10] do_syscall_64+0xc6/0x1e0 [ 5259.776445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5259.776445][ T10] [ 5261.913109][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5261.913530][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5261.913530][ T1167] dst_init+0x84/0x4a0 [ 5261.913530][ T1167] dst_alloc+0x97/0x150 [ 5261.913530][ T1167] ip6_dst_alloc+0x23/0x90 [ 5261.913530][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5261.913530][ T1167] ip6_pol_route+0x56f/0x840 [ 5261.913530][ T1167] fib6_rule_lookup+0x334/0x630 [ 5261.913530][ T1167] ip6_route_output_flags+0x259/0x480 [ 5261.913530][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5261.913530][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5261.913530][ T1167] netlink_rcv_skb+0x130/0x360 [ 5261.913530][ T1167] netlink_unicast+0x449/0x710 [ 5261.913530][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5261.913530][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5261.913530][ T1167] ___sys_sendmsg+0xee/0x170 [ 5261.913530][ T1167] __sys_sendmsg+0xcd/0x170 [ 5261.913530][ T1167] do_syscall_64+0xc6/0x1e0 [ 5261.913530][ T1167] [ 5261.915736][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5261.915736][ T1167] netdev_get_by_index+0x5e/0x80 [ 5261.915736][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5261.915736][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5261.915736][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5261.915736][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5261.915736][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5261.915736][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5261.915736][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5261.915736][ T1167] addrconf_dad_begin+0x310/0x670 [ 5261.915736][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5261.915736][ T1167] process_one_work+0x84d/0x18a0 [ 5261.915736][ T1167] worker_thread+0x587/0xd30 [ 5261.915736][ T1167] kthread+0x28a/0x350 [ 5261.915736][ T1167] ret_from_fork+0x31/0x70 [ 5261.915736][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5261.915736][ T1167] [ 5261.917889][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5261.917889][ T1167] netdev_get_by_index+0x5e/0x80 [ 5261.917889][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5261.917889][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5261.917889][ T1167] ip6_route_add+0x1c/0x140 [ 5261.917889][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5261.917889][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5261.917889][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5261.917889][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5261.917889][ T1167] netlink_rcv_skb+0x130/0x360 [ 5261.917889][ T1167] netlink_unicast+0x449/0x710 [ 5261.917889][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5261.917889][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5261.917889][ T1167] ___sys_sendmsg+0xee/0x170 [ 5261.917889][ T1167] __sys_sendmsg+0xcd/0x170 [ 5261.917889][ T1167] do_syscall_64+0xc6/0x1e0 [ 5261.917889][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5261.917889][ T1167] [ 5261.920137][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5261.920137][ T1167] netdev_get_by_index+0x5e/0x80 [ 5261.920137][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5261.920137][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5261.920137][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5261.920137][ T1167] ipv6_add_addr+0x411/0x2000 [ 5261.920137][ T1167] inet6_addr_add+0x30e/0xa40 [ 5261.920137][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5261.920137][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5261.920137][ T1167] netlink_rcv_skb+0x130/0x360 [ 5261.920137][ T1167] netlink_unicast+0x449/0x710 [ 5261.920137][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5261.920137][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5261.920137][ T1167] ___sys_sendmsg+0xee/0x170 [ 5261.920137][ T1167] __sys_sendmsg+0xcd/0x170 [ 5261.920137][ T1167] do_syscall_64+0xc6/0x1e0 [ 5261.920137][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5261.920137][ T1167] [ 5261.922400][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5261.922400][ T1167] netdev_get_by_index+0x5e/0x80 [ 5261.922400][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5261.922400][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5261.922400][ T1167] ip6_route_add+0x1c/0x140 [ 5261.922400][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5261.922400][ T1167] addrconf_add_dev+0xe2/0x170 [ 5261.922400][ T1167] inet6_addr_add+0x12f/0xa40 [ 5261.922400][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5261.922400][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5261.922400][ T1167] netlink_rcv_skb+0x130/0x360 [ 5261.922400][ T1167] netlink_unicast+0x449/0x710 [ 5261.922400][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5261.922400][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5261.922400][ T1167] ___sys_sendmsg+0xee/0x170 [ 5261.922400][ T1167] __sys_sendmsg+0xcd/0x170 [ 5261.922400][ T1167] do_syscall_64+0xc6/0x1e0 [ 5261.922400][ T1167] [ 5261.924650][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5261.924650][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5261.924650][ T1167] ipv6_find_idev+0x102/0x170 [ 5261.924650][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5261.924650][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5261.924650][ T1167] netlink_rcv_skb+0x130/0x360 [ 5261.924650][ T1167] netlink_unicast+0x449/0x710 [ 5261.924650][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5261.924650][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5261.924650][ T1167] ___sys_sendmsg+0xee/0x170 [ 5261.924650][ T1167] __sys_sendmsg+0xcd/0x170 [ 5261.924650][ T1167] do_syscall_64+0xc6/0x1e0 [ 5261.924650][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5261.924650][ T1167] [ 5261.926379][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5261.926379][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5261.926379][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5261.926379][ T1167] ipv6_find_idev+0x102/0x170 [ 5261.926379][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5261.926379][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5261.926379][ T1167] netlink_rcv_skb+0x130/0x360 [ 5261.926379][ T1167] netlink_unicast+0x449/0x710 [ 5261.926379][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5261.926379][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5261.926379][ T1167] ___sys_sendmsg+0xee/0x170 [ 5261.926379][ T1167] __sys_sendmsg+0xcd/0x170 [ 5261.926379][ T1167] do_syscall_64+0xc6/0x1e0 [ 5261.926379][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5261.926379][ T1167] [ 5270.033101][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5270.033565][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5270.033565][ T10] netdev_get_by_index+0x5e/0x80 [ 5270.033565][ T10] fib6_nh_init+0x3d8/0x1580 [ 5270.033565][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5270.033565][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5270.033565][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5270.033565][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5270.033565][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5270.033565][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5270.033565][ T10] addrconf_dad_begin+0x310/0x670 [ 5270.033565][ T10] addrconf_dad_work+0x10b/0xab0 [ 5270.033565][ T10] process_one_work+0x84d/0x18a0 [ 5270.033565][ T10] worker_thread+0x587/0xd30 [ 5270.033565][ T10] kthread+0x28a/0x350 [ 5270.033565][ T10] ret_from_fork+0x31/0x70 [ 5270.033565][ T10] ret_from_fork_asm+0x1a/0x30 [ 5270.033565][ T10] [ 5270.035770][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5270.035770][ T10] netdev_get_by_index+0x5e/0x80 [ 5270.035770][ T10] fib6_nh_init+0x3d8/0x1580 [ 5270.035770][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5270.035770][ T10] ip6_route_add+0x1c/0x140 [ 5270.035770][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5270.035770][ T10] inet6_addr_add+0x4f8/0xa40 [ 5270.035770][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5270.035770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5270.035770][ T10] netlink_rcv_skb+0x130/0x360 [ 5270.035770][ T10] netlink_unicast+0x449/0x710 [ 5270.035770][ T10] netlink_sendmsg+0x723/0xbe0 [ 5270.035770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5270.035770][ T10] ___sys_sendmsg+0xee/0x170 [ 5270.035770][ T10] __sys_sendmsg+0xcd/0x170 [ 5270.035770][ T10] do_syscall_64+0xc6/0x1e0 [ 5270.035770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5270.035770][ T10] [ 5270.038039][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5270.038039][ T10] netdev_get_by_index+0x5e/0x80 [ 5270.038039][ T10] fib6_nh_init+0x3d8/0x1580 [ 5270.038039][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5270.038039][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5270.038039][ T10] ipv6_add_addr+0x411/0x2000 [ 5270.038039][ T10] inet6_addr_add+0x30e/0xa40 [ 5270.038039][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5270.038039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5270.038039][ T10] netlink_rcv_skb+0x130/0x360 [ 5270.038039][ T10] netlink_unicast+0x449/0x710 [ 5270.038039][ T10] netlink_sendmsg+0x723/0xbe0 [ 5270.038039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5270.038039][ T10] ___sys_sendmsg+0xee/0x170 [ 5270.038039][ T10] __sys_sendmsg+0xcd/0x170 [ 5270.038039][ T10] do_syscall_64+0xc6/0x1e0 [ 5270.038039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5270.038039][ T10] [ 5270.040301][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5270.040301][ T10] netdev_get_by_index+0x5e/0x80 [ 5270.040301][ T10] fib6_nh_init+0x3d8/0x1580 [ 5270.040301][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5270.040301][ T10] ip6_route_add+0x1c/0x140 [ 5270.040301][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5270.040301][ T10] addrconf_add_dev+0xe2/0x170 [ 5270.040301][ T10] inet6_addr_add+0x12f/0xa40 [ 5270.040301][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5270.040301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5270.040301][ T10] netlink_rcv_skb+0x130/0x360 [ 5270.040301][ T10] netlink_unicast+0x449/0x710 [ 5270.040301][ T10] netlink_sendmsg+0x723/0xbe0 [ 5270.040301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5270.040301][ T10] ___sys_sendmsg+0xee/0x170 [ 5270.040301][ T10] __sys_sendmsg+0xcd/0x170 [ 5270.040301][ T10] do_syscall_64+0xc6/0x1e0 [ 5270.040301][ T10] [ 5270.042496][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5270.042496][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5270.042496][ T10] ipv6_find_idev+0x102/0x170 [ 5270.042496][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5270.042496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5270.042496][ T10] netlink_rcv_skb+0x130/0x360 [ 5270.042496][ T10] netlink_unicast+0x449/0x710 [ 5270.042496][ T10] netlink_sendmsg+0x723/0xbe0 [ 5270.042496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5270.042496][ T10] ___sys_sendmsg+0xee/0x170 [ 5270.042496][ T10] __sys_sendmsg+0xcd/0x170 [ 5270.042496][ T10] do_syscall_64+0xc6/0x1e0 [ 5270.042496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5270.042496][ T10] [ 5270.044236][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5270.044236][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5270.044236][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5270.044236][ T10] ipv6_find_idev+0x102/0x170 [ 5270.044236][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5270.044236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5270.044236][ T10] netlink_rcv_skb+0x130/0x360 [ 5270.044236][ T10] netlink_unicast+0x449/0x710 [ 5270.044236][ T10] netlink_sendmsg+0x723/0xbe0 [ 5270.044236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5270.044236][ T10] ___sys_sendmsg+0xee/0x170 [ 5270.044236][ T10] __sys_sendmsg+0xcd/0x170 [ 5270.044236][ T10] do_syscall_64+0xc6/0x1e0 [ 5270.044236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5270.044236][ T10] [ 5270.046134][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5270.046431][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5270.046431][ T10] netdev_get_by_index+0x5e/0x80 [ 5270.046431][ T10] fib6_nh_init+0x3d8/0x1580 [ 5270.046431][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5270.046431][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5270.046431][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5270.046431][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5270.046431][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5270.046431][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5270.046431][ T10] addrconf_dad_begin+0x310/0x670 [ 5270.046431][ T10] addrconf_dad_work+0x10b/0xab0 [ 5270.046431][ T10] process_one_work+0x84d/0x18a0 [ 5270.046431][ T10] worker_thread+0x587/0xd30 [ 5270.046431][ T10] kthread+0x28a/0x350 [ 5270.046431][ T10] ret_from_fork+0x31/0x70 [ 5270.046431][ T10] ret_from_fork_asm+0x1a/0x30 [ 5270.046431][ T10] [ 5270.048583][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5270.048583][ T10] netdev_get_by_index+0x5e/0x80 [ 5270.048583][ T10] fib6_nh_init+0x3d8/0x1580 [ 5270.048583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5270.048583][ T10] ip6_route_add+0x1c/0x140 [ 5270.048583][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5270.048583][ T10] inet6_addr_add+0x4f8/0xa40 [ 5270.048583][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5270.048583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5270.048583][ T10] netlink_rcv_skb+0x130/0x360 [ 5270.048583][ T10] netlink_unicast+0x449/0x710 [ 5270.048583][ T10] netlink_sendmsg+0x723/0xbe0 [ 5270.048583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5270.048583][ T10] ___sys_sendmsg+0xee/0x170 [ 5270.048583][ T10] __sys_sendmsg+0xcd/0x170 [ 5270.048583][ T10] do_syscall_64+0xc6/0x1e0 [ 5270.048583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5270.048583][ T10] [ 5270.050845][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5270.050845][ T10] netdev_get_by_index+0x5e/0x80 [ 5270.050845][ T10] fib6_nh_init+0x3d8/0x1580 [ 5270.050845][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5270.050845][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5270.050845][ T10] ipv6_add_addr+0x411/0x2000 [ 5270.050845][ T10] inet6_addr_add+0x30e/0xa40 [ 5270.050845][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5270.050845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5270.050845][ T10] netlink_rcv_skb+0x130/0x360 [ 5270.050845][ T10] netlink_unicast+0x449/0x710 [ 5270.050845][ T10] netlink_sendmsg+0x723/0xbe0 [ 5270.050845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5270.050845][ T10] ___sys_sendmsg+0xee/0x170 [ 5270.050845][ T10] __sys_sendmsg+0xcd/0x170 [ 5270.050845][ T10] do_syscall_64+0xc6/0x1e0 [ 5270.050845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5270.050845][ T10] [ 5270.053075][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5270.053075][ T10] netdev_get_by_index+0x5e/0x80 [ 5270.053075][ T10] fib6_nh_init+0x3d8/0x1580 [ 5270.053075][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5270.053075][ T10] ip6_route_add+0x1c/0x140 [ 5270.053075][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5270.053075][ T10] addrconf_add_dev+0xe2/0x170 [ 5270.053075][ T10] inet6_addr_add+0x12f/0xa40 [ 5270.053075][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5270.053075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5270.053075][ T10] netlink_rcv_skb+0x130/0x360 [ 5270.053075][ T10] netlink_unicast+0x449/0x710 [ 5270.053075][ T10] netlink_sendmsg+0x723/0xbe0 [ 5270.053075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5270.053075][ T10] ___sys_sendmsg+0xee/0x170 [ 5270.053075][ T10] __sys_sendmsg+0xcd/0x170 [ 5270.053075][ T10] do_syscall_64+0xc6/0x1e0 [ 5270.053075][ T10] [ 5270.055277][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5270.055277][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5270.055277][ T10] ipv6_find_idev+0x102/0x170 [ 5270.055277][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5270.055277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5270.055277][ T10] netlink_rcv_skb+0x130/0x360 [ 5270.055277][ T10] netlink_unicast+0x449/0x710 [ 5270.055277][ T10] netlink_sendmsg+0x723/0xbe0 [ 5270.055277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5270.055277][ T10] ___sys_sendmsg+0xee/0x170 [ 5270.055277][ T10] __sys_sendmsg+0xcd/0x170 [ 5270.055277][ T10] do_syscall_64+0xc6/0x1e0 [ 5270.055277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5270.055277][ T10] [ 5270.057009][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5270.057009][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5270.057009][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5270.057009][ T10] ipv6_find_idev+0x102/0x170 [ 5270.057009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5270.057009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5270.057009][ T10] netlink_rcv_skb+0x130/0x360 [ 5270.057009][ T10] netlink_unicast+0x449/0x710 [ 5270.057009][ T10] netlink_sendmsg+0x723/0xbe0 [ 5270.057009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5270.057009][ T10] ___sys_sendmsg+0xee/0x170 [ 5270.057009][ T10] __sys_sendmsg+0xcd/0x170 [ 5270.057009][ T10] do_syscall_64+0xc6/0x1e0 [ 5270.057009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5270.057009][ T10] [ 5270.058874][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5270.059154][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5270.059154][ T10] netdev_get_by_index+0x5e/0x80 [ 5270.059154][ T10] fib6_nh_init+0x3d8/0x1580 [ 5270.059154][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5270.059154][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5270.059154][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5270.059154][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5270.059154][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5270.059154][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5270.059154][ T10] addrconf_dad_begin+0x310/0x670 [ 5270.059154][ T10] addrconf_dad_work+0x10b/0xab0 [ 5270.059154][ T10] process_one_work+0x84d/0x18a0 [ 5270.059154][ T10] worker_thread+0x587/0xd30 [ 5270.059154][ T10] kthread+0x28a/0x350 [ 5270.059154][ T10] ret_from_fork+0x31/0x70 [ 5270.059154][ T10] ret_from_fork_asm+0x1a/0x30 [ 5270.059154][ T10] [ 5270.061306][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5270.061306][ T10] netdev_get_by_index+0x5e/0x80 [ 5270.061306][ T10] fib6_nh_init+0x3d8/0x1580 [ 5270.061306][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5270.061306][ T10] ip6_route_add+0x1c/0x140 [ 5270.061306][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5270.061306][ T10] inet6_addr_add+0x4f8/0xa40 [ 5270.061306][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5270.061306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5270.061306][ T10] netlink_rcv_skb+0x130/0x360 [ 5270.061306][ T10] netlink_unicast+0x449/0x710 [ 5270.061306][ T10] netlink_sendmsg+0x723/0xbe0 [ 5270.061306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5270.061306][ T10] ___sys_sendmsg+0xee/0x170 [ 5270.061306][ T10] __sys_sendmsg+0xcd/0x170 [ 5270.061306][ T10] do_syscall_64+0xc6/0x1e0 [ 5270.061306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5270.061306][ T10] [ 5270.063739][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5270.063739][ T10] netdev_get_by_index+0x5e/0x80 [ 5270.063739][ T10] fib6_nh_init+0x3d8/0x1580 [ 5270.063739][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5270.063739][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5270.063739][ T10] ipv6_add_addr+0x411/0x2000 [ 5270.063739][ T10] inet6_addr_add+0x30e/0xa40 [ 5270.063739][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5270.063739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5270.063739][ T10] netlink_rcv_skb+0x130/0x360 [ 5270.063739][ T10] netlink_unicast+0x449/0x710 [ 5270.063739][ T10] netlink_sendmsg+0x723/0xbe0 [ 5270.063739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5270.063739][ T10] ___sys_sendmsg+0xee/0x170 [ 5270.063739][ T10] __sys_sendmsg+0xcd/0x170 [ 5270.063739][ T10] do_syscall_64+0xc6/0x1e0 [ 5270.063739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5270.063739][ T10] [ 5270.066300][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5270.066300][ T10] netdev_get_by_index+0x5e/0x80 [ 5270.066300][ T10] fib6_nh_init+0x3d8/0x1580 [ 5270.066300][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5270.066300][ T10] ip6_route_add+0x1c/0x140 [ 5270.066300][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5270.066300][ T10] addrconf_add_dev+0xe2/0x170 [ 5270.066300][ T10] inet6_addr_add+0x12f/0xa40 [ 5270.066300][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5270.066300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5270.066300][ T10] netlink_rcv_skb+0x130/0x360 [ 5270.066300][ T10] netlink_unicast+0x449/0x710 [ 5270.066300][ T10] netlink_sendmsg+0x723/0xbe0 [ 5270.066300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5270.066300][ T10] ___sys_sendmsg+0xee/0x170 [ 5270.066300][ T10] __sys_sendmsg+0xcd/0x170 [ 5270.066300][ T10] do_syscall_64+0xc6/0x1e0 [ 5270.066300][ T10] [ 5270.068708][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5270.068708][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5270.068708][ T10] ipv6_find_idev+0x102/0x170 [ 5270.068708][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5270.068708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5270.068708][ T10] netlink_rcv_skb+0x130/0x360 [ 5270.068708][ T10] netlink_unicast+0x449/0x710 [ 5270.068708][ T10] netlink_sendmsg+0x723/0xbe0 [ 5270.068708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5270.068708][ T10] ___sys_sendmsg+0xee/0x170 [ 5270.068708][ T10] __sys_sendmsg+0xcd/0x170 [ 5270.068708][ T10] do_syscall_64+0xc6/0x1e0 [ 5270.068708][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5270.068708][ T10] [ 5270.070626][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5270.070626][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5270.070626][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5270.070626][ T10] ipv6_find_idev+0x102/0x170 [ 5270.070626][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5270.070626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5270.070626][ T10] netlink_rcv_skb+0x130/0x360 [ 5270.070626][ T10] netlink_unicast+0x449/0x710 [ 5270.070626][ T10] netlink_sendmsg+0x723/0xbe0 [ 5270.070626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5270.070626][ T10] ___sys_sendmsg+0xee/0x170 [ 5270.070626][ T10] __sys_sendmsg+0xcd/0x170 [ 5270.070626][ T10] do_syscall_64+0xc6/0x1e0 [ 5270.070626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5270.070626][ T10] [ 5270.072777][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5270.073041][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5270.073041][ T10] netdev_get_by_index+0x5e/0x80 [ 5270.073041][ T10] fib6_nh_init+0x3d8/0x1580 [ 5270.073041][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5270.073041][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5270.073041][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5270.073041][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5270.073041][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5270.073041][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5270.073041][ T10] addrconf_dad_begin+0x310/0x670 [ 5270.073041][ T10] addrconf_dad_work+0x10b/0xab0 [ 5270.073041][ T10] process_one_work+0x84d/0x18a0 [ 5270.073041][ T10] worker_thread+0x587/0xd30 [ 5270.073041][ T10] kthread+0x28a/0x350 [ 5270.073041][ T10] ret_from_fork+0x31/0x70 [ 5270.073041][ T10] ret_from_fork_asm+0x1a/0x30 [ 5270.073041][ T10] [ 5270.075503][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5270.075503][ T10] netdev_get_by_index+0x5e/0x80 [ 5270.075503][ T10] fib6_nh_init+0x3d8/0x1580 [ 5270.075503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5270.075503][ T10] ip6_route_add+0x1c/0x140 [ 5270.075503][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5270.075503][ T10] inet6_addr_add+0x4f8/0xa40 [ 5270.075503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5270.075503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5270.075503][ T10] netlink_rcv_skb+0x130/0x360 [ 5270.075503][ T10] netlink_unicast+0x449/0x710 [ 5270.075503][ T10] netlink_sendmsg+0x723/0xbe0 [ 5270.075503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5270.075503][ T10] ___sys_sendmsg+0xee/0x170 [ 5270.075503][ T10] __sys_sendmsg+0xcd/0x170 [ 5270.075503][ T10] do_syscall_64+0xc6/0x1e0 [ 5270.075503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5270.075503][ T10] [ 5270.077984][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5270.077984][ T10] netdev_get_by_index+0x5e/0x80 [ 5270.077984][ T10] fib6_nh_init+0x3d8/0x1580 [ 5270.077984][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5270.077984][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5270.077984][ T10] ipv6_add_addr+0x411/0x2000 [ 5270.077984][ T10] inet6_addr_add+0x30e/0xa40 [ 5270.077984][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5270.077984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5270.077984][ T10] netlink_rcv_skb+0x130/0x360 [ 5270.077984][ T10] netlink_unicast+0x449/0x710 [ 5270.077984][ T10] netlink_sendmsg+0x723/0xbe0 [ 5270.077984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5270.077984][ T10] ___sys_sendmsg+0xee/0x170 [ 5270.077984][ T10] __sys_sendmsg+0xcd/0x170 [ 5270.077984][ T10] do_syscall_64+0xc6/0x1e0 [ 5270.077984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5270.077984][ T10] [ 5270.080413][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5270.080413][ T10] netdev_get_by_index+0x5e/0x80 [ 5270.080413][ T10] fib6_nh_init+0x3d8/0x1580 [ 5270.080413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5270.080413][ T10] ip6_route_add+0x1c/0x140 [ 5270.080413][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5270.080413][ T10] addrconf_add_dev+0xe2/0x170 [ 5270.080413][ T10] inet6_addr_add+0x12f/0xa40 [ 5270.080413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5270.080413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5270.080413][ T10] netlink_rcv_skb+0x130/0x360 [ 5270.080413][ T10] netlink_unicast+0x449/0x710 [ 5270.080413][ T10] netlink_sendmsg+0x723/0xbe0 [ 5270.080413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5270.080413][ T10] ___sys_sendmsg+0xee/0x170 [ 5270.080413][ T10] __sys_sendmsg+0xcd/0x170 [ 5270.080413][ T10] do_syscall_64+0xc6/0x1e0 [ 5270.080413][ T10] [ 5270.082878][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5270.082878][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5270.082878][ T10] ipv6_find_idev+0x102/0x170 [ 5270.082878][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5270.082878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5270.082878][ T10] netlink_rcv_skb+0x130/0x360 [ 5270.082878][ T10] netlink_unicast+0x449/0x710 [ 5270.082878][ T10] netlink_sendmsg+0x723/0xbe0 [ 5270.082878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5270.082878][ T10] ___sys_sendmsg+0xee/0x170 [ 5270.082878][ T10] __sys_sendmsg+0xcd/0x170 [ 5270.082878][ T10] do_syscall_64+0xc6/0x1e0 [ 5270.082878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5270.082878][ T10] [ 5270.084799][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5270.084799][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5270.084799][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5270.084799][ T10] ipv6_find_idev+0x102/0x170 [ 5270.084799][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5270.084799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5270.084799][ T10] netlink_rcv_skb+0x130/0x360 [ 5270.084799][ T10] netlink_unicast+0x449/0x710 [ 5270.084799][ T10] netlink_sendmsg+0x723/0xbe0 [ 5270.084799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5270.084799][ T10] ___sys_sendmsg+0xee/0x170 [ 5270.084799][ T10] __sys_sendmsg+0xcd/0x170 [ 5270.084799][ T10] do_syscall_64+0xc6/0x1e0 [ 5270.084799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5270.084799][ T10] [ 5272.169105][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5272.169647][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5272.169647][ T1167] dst_init+0x84/0x4a0 [ 5272.169647][ T1167] dst_alloc+0x97/0x150 [ 5272.169647][ T1167] ip6_dst_alloc+0x23/0x90 [ 5272.169647][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5272.169647][ T1167] ip6_pol_route+0x56f/0x840 [ 5272.169647][ T1167] fib6_rule_lookup+0x334/0x630 [ 5272.169647][ T1167] ip6_route_output_flags+0x259/0x480 [ 5272.169647][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5272.169647][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5272.169647][ T1167] netlink_rcv_skb+0x130/0x360 [ 5272.169647][ T1167] netlink_unicast+0x449/0x710 [ 5272.169647][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5272.169647][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5272.169647][ T1167] ___sys_sendmsg+0xee/0x170 [ 5272.169647][ T1167] __sys_sendmsg+0xcd/0x170 [ 5272.169647][ T1167] do_syscall_64+0xc6/0x1e0 [ 5272.169647][ T1167] [ 5272.172117][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5272.172117][ T1167] netdev_get_by_index+0x5e/0x80 [ 5272.172117][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5272.172117][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5272.172117][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5272.172117][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5272.172117][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5272.172117][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5272.172117][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5272.172117][ T1167] addrconf_dad_begin+0x310/0x670 [ 5272.172117][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5272.172117][ T1167] process_one_work+0x84d/0x18a0 [ 5272.172117][ T1167] worker_thread+0x587/0xd30 [ 5272.172117][ T1167] kthread+0x28a/0x350 [ 5272.172117][ T1167] ret_from_fork+0x31/0x70 [ 5272.172117][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5272.172117][ T1167] [ 5272.174528][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5272.174528][ T1167] netdev_get_by_index+0x5e/0x80 [ 5272.174528][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5272.174528][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5272.174528][ T1167] ip6_route_add+0x1c/0x140 [ 5272.174528][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5272.174528][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5272.174528][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5272.174528][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5272.174528][ T1167] netlink_rcv_skb+0x130/0x360 [ 5272.174528][ T1167] netlink_unicast+0x449/0x710 [ 5272.174528][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5272.174528][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5272.174528][ T1167] ___sys_sendmsg+0xee/0x170 [ 5272.174528][ T1167] __sys_sendmsg+0xcd/0x170 [ 5272.174528][ T1167] do_syscall_64+0xc6/0x1e0 [ 5272.174528][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5272.174528][ T1167] [ 5272.177023][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5272.177023][ T1167] netdev_get_by_index+0x5e/0x80 [ 5272.177023][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5272.177023][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5272.177023][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5272.177023][ T1167] ipv6_add_addr+0x411/0x2000 [ 5272.177023][ T1167] inet6_addr_add+0x30e/0xa40 [ 5272.177023][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5272.177023][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5272.177023][ T1167] netlink_rcv_skb+0x130/0x360 [ 5272.177023][ T1167] netlink_unicast+0x449/0x710 [ 5272.177023][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5272.177023][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5272.177023][ T1167] ___sys_sendmsg+0xee/0x170 [ 5272.177023][ T1167] __sys_sendmsg+0xcd/0x170 [ 5272.177023][ T1167] do_syscall_64+0xc6/0x1e0 [ 5272.177023][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5272.177023][ T1167] [ 5272.179510][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5272.179510][ T1167] netdev_get_by_index+0x5e/0x80 [ 5272.179510][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5272.179510][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5272.179510][ T1167] ip6_route_add+0x1c/0x140 [ 5272.179510][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5272.179510][ T1167] addrconf_add_dev+0xe2/0x170 [ 5272.179510][ T1167] inet6_addr_add+0x12f/0xa40 [ 5272.179510][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5272.179510][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5272.179510][ T1167] netlink_rcv_skb+0x130/0x360 [ 5272.179510][ T1167] netlink_unicast+0x449/0x710 [ 5272.179510][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5272.179510][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5272.179510][ T1167] ___sys_sendmsg+0xee/0x170 [ 5272.179510][ T1167] __sys_sendmsg+0xcd/0x170 [ 5272.179510][ T1167] do_syscall_64+0xc6/0x1e0 [ 5272.179510][ T1167] [ 5272.181957][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5272.181957][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5272.181957][ T1167] ipv6_find_idev+0x102/0x170 [ 5272.181957][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5272.181957][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5272.181957][ T1167] netlink_rcv_skb+0x130/0x360 [ 5272.181957][ T1167] netlink_unicast+0x449/0x710 [ 5272.181957][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5272.181957][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5272.181957][ T1167] ___sys_sendmsg+0xee/0x170 [ 5272.181957][ T1167] __sys_sendmsg+0xcd/0x170 [ 5272.181957][ T1167] do_syscall_64+0xc6/0x1e0 [ 5272.181957][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5272.181957][ T1167] [ 5272.183871][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5272.183871][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5272.183871][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5272.183871][ T1167] ipv6_find_idev+0x102/0x170 [ 5272.183871][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5272.183871][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5272.183871][ T1167] netlink_rcv_skb+0x130/0x360 [ 5272.183871][ T1167] netlink_unicast+0x449/0x710 [ 5272.183871][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5272.183871][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5272.183871][ T1167] ___sys_sendmsg+0xee/0x170 [ 5272.183871][ T1167] __sys_sendmsg+0xcd/0x170 [ 5272.183871][ T1167] do_syscall_64+0xc6/0x1e0 [ 5272.183871][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5272.183871][ T1167] [ 5280.089107][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5280.089574][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5280.089574][ T10] netdev_get_by_index+0x5e/0x80 [ 5280.089574][ T10] fib6_nh_init+0x3d8/0x1580 [ 5280.089574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5280.089574][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5280.089574][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5280.089574][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5280.089574][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5280.089574][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5280.089574][ T10] addrconf_dad_begin+0x310/0x670 [ 5280.089574][ T10] addrconf_dad_work+0x10b/0xab0 [ 5280.089574][ T10] process_one_work+0x84d/0x18a0 [ 5280.089574][ T10] worker_thread+0x587/0xd30 [ 5280.089574][ T10] kthread+0x28a/0x350 [ 5280.089574][ T10] ret_from_fork+0x31/0x70 [ 5280.089574][ T10] ret_from_fork_asm+0x1a/0x30 [ 5280.089574][ T10] [ 5280.091751][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5280.091751][ T10] netdev_get_by_index+0x5e/0x80 [ 5280.091751][ T10] fib6_nh_init+0x3d8/0x1580 [ 5280.091751][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5280.091751][ T10] ip6_route_add+0x1c/0x140 [ 5280.091751][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5280.091751][ T10] inet6_addr_add+0x4f8/0xa40 [ 5280.091751][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5280.091751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5280.091751][ T10] netlink_rcv_skb+0x130/0x360 [ 5280.091751][ T10] netlink_unicast+0x449/0x710 [ 5280.091751][ T10] netlink_sendmsg+0x723/0xbe0 [ 5280.091751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5280.091751][ T10] ___sys_sendmsg+0xee/0x170 [ 5280.091751][ T10] __sys_sendmsg+0xcd/0x170 [ 5280.091751][ T10] do_syscall_64+0xc6/0x1e0 [ 5280.091751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5280.091751][ T10] [ 5280.094007][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5280.094007][ T10] netdev_get_by_index+0x5e/0x80 [ 5280.094007][ T10] fib6_nh_init+0x3d8/0x1580 [ 5280.094007][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5280.094007][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5280.094007][ T10] ipv6_add_addr+0x411/0x2000 [ 5280.094007][ T10] inet6_addr_add+0x30e/0xa40 [ 5280.094007][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5280.094007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5280.094007][ T10] netlink_rcv_skb+0x130/0x360 [ 5280.094007][ T10] netlink_unicast+0x449/0x710 [ 5280.094007][ T10] netlink_sendmsg+0x723/0xbe0 [ 5280.094007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5280.094007][ T10] ___sys_sendmsg+0xee/0x170 [ 5280.094007][ T10] __sys_sendmsg+0xcd/0x170 [ 5280.094007][ T10] do_syscall_64+0xc6/0x1e0 [ 5280.094007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5280.094007][ T10] [ 5280.096219][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5280.096219][ T10] netdev_get_by_index+0x5e/0x80 [ 5280.096219][ T10] fib6_nh_init+0x3d8/0x1580 [ 5280.096219][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5280.096219][ T10] ip6_route_add+0x1c/0x140 [ 5280.096219][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5280.096219][ T10] addrconf_add_dev+0xe2/0x170 [ 5280.096219][ T10] inet6_addr_add+0x12f/0xa40 [ 5280.096219][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5280.096219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5280.096219][ T10] netlink_rcv_skb+0x130/0x360 [ 5280.096219][ T10] netlink_unicast+0x449/0x710 [ 5280.096219][ T10] netlink_sendmsg+0x723/0xbe0 [ 5280.096219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5280.096219][ T10] ___sys_sendmsg+0xee/0x170 [ 5280.096219][ T10] __sys_sendmsg+0xcd/0x170 [ 5280.096219][ T10] do_syscall_64+0xc6/0x1e0 [ 5280.096219][ T10] [ 5280.098436][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5280.098436][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5280.098436][ T10] ipv6_find_idev+0x102/0x170 [ 5280.098436][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5280.098436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5280.098436][ T10] netlink_rcv_skb+0x130/0x360 [ 5280.098436][ T10] netlink_unicast+0x449/0x710 [ 5280.098436][ T10] netlink_sendmsg+0x723/0xbe0 [ 5280.098436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5280.098436][ T10] ___sys_sendmsg+0xee/0x170 [ 5280.098436][ T10] __sys_sendmsg+0xcd/0x170 [ 5280.098436][ T10] do_syscall_64+0xc6/0x1e0 [ 5280.098436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5280.098436][ T10] [ 5280.100167][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5280.100167][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5280.100167][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5280.100167][ T10] ipv6_find_idev+0x102/0x170 [ 5280.100167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5280.100167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5280.100167][ T10] netlink_rcv_skb+0x130/0x360 [ 5280.100167][ T10] netlink_unicast+0x449/0x710 [ 5280.100167][ T10] netlink_sendmsg+0x723/0xbe0 [ 5280.100167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5280.100167][ T10] ___sys_sendmsg+0xee/0x170 [ 5280.100167][ T10] __sys_sendmsg+0xcd/0x170 [ 5280.100167][ T10] do_syscall_64+0xc6/0x1e0 [ 5280.100167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5280.100167][ T10] [ 5280.102049][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5280.102315][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5280.102315][ T10] netdev_get_by_index+0x5e/0x80 [ 5280.102315][ T10] fib6_nh_init+0x3d8/0x1580 [ 5280.102315][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5280.102315][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5280.102315][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5280.102315][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5280.102315][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5280.102315][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5280.102315][ T10] addrconf_dad_begin+0x310/0x670 [ 5280.102315][ T10] addrconf_dad_work+0x10b/0xab0 [ 5280.102315][ T10] process_one_work+0x84d/0x18a0 [ 5280.102315][ T10] worker_thread+0x587/0xd30 [ 5280.102315][ T10] kthread+0x28a/0x350 [ 5280.102315][ T10] ret_from_fork+0x31/0x70 [ 5280.102315][ T10] ret_from_fork_asm+0x1a/0x30 [ 5280.102315][ T10] [ 5280.104472][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5280.104472][ T10] netdev_get_by_index+0x5e/0x80 [ 5280.104472][ T10] fib6_nh_init+0x3d8/0x1580 [ 5280.104472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5280.104472][ T10] ip6_route_add+0x1c/0x140 [ 5280.104472][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5280.104472][ T10] inet6_addr_add+0x4f8/0xa40 [ 5280.104472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5280.104472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5280.104472][ T10] netlink_rcv_skb+0x130/0x360 [ 5280.104472][ T10] netlink_unicast+0x449/0x710 [ 5280.104472][ T10] netlink_sendmsg+0x723/0xbe0 [ 5280.104472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5280.104472][ T10] ___sys_sendmsg+0xee/0x170 [ 5280.104472][ T10] __sys_sendmsg+0xcd/0x170 [ 5280.104472][ T10] do_syscall_64+0xc6/0x1e0 [ 5280.104472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5280.104472][ T10] [ 5280.106711][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5280.106711][ T10] netdev_get_by_index+0x5e/0x80 [ 5280.106711][ T10] fib6_nh_init+0x3d8/0x1580 [ 5280.106711][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5280.106711][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5280.106711][ T10] ipv6_add_addr+0x411/0x2000 [ 5280.106711][ T10] inet6_addr_add+0x30e/0xa40 [ 5280.106711][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5280.106711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5280.106711][ T10] netlink_rcv_skb+0x130/0x360 [ 5280.106711][ T10] netlink_unicast+0x449/0x710 [ 5280.106711][ T10] netlink_sendmsg+0x723/0xbe0 [ 5280.106711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5280.106711][ T10] ___sys_sendmsg+0xee/0x170 [ 5280.106711][ T10] __sys_sendmsg+0xcd/0x170 [ 5280.106711][ T10] do_syscall_64+0xc6/0x1e0 [ 5280.106711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5280.106711][ T10] [ 5280.108949][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5280.108949][ T10] netdev_get_by_index+0x5e/0x80 [ 5280.108949][ T10] fib6_nh_init+0x3d8/0x1580 [ 5280.108949][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5280.108949][ T10] ip6_route_add+0x1c/0x140 [ 5280.108949][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5280.108949][ T10] addrconf_add_dev+0xe2/0x170 [ 5280.108949][ T10] inet6_addr_add+0x12f/0xa40 [ 5280.108949][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5280.108949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5280.108949][ T10] netlink_rcv_skb+0x130/0x360 [ 5280.108949][ T10] netlink_unicast+0x449/0x710 [ 5280.108949][ T10] netlink_sendmsg+0x723/0xbe0 [ 5280.108949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5280.108949][ T10] ___sys_sendmsg+0xee/0x170 [ 5280.108949][ T10] __sys_sendmsg+0xcd/0x170 [ 5280.108949][ T10] do_syscall_64+0xc6/0x1e0 [ 5280.108949][ T10] [ 5280.111146][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5280.111146][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5280.111146][ T10] ipv6_find_idev+0x102/0x170 [ 5280.111146][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5280.111146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5280.111146][ T10] netlink_rcv_skb+0x130/0x360 [ 5280.111146][ T10] netlink_unicast+0x449/0x710 [ 5280.111146][ T10] netlink_sendmsg+0x723/0xbe0 [ 5280.111146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5280.111146][ T10] ___sys_sendmsg+0xee/0x170 [ 5280.111146][ T10] __sys_sendmsg+0xcd/0x170 [ 5280.111146][ T10] do_syscall_64+0xc6/0x1e0 [ 5280.111146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5280.111146][ T10] [ 5280.112874][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5280.112874][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5280.112874][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5280.112874][ T10] ipv6_find_idev+0x102/0x170 [ 5280.112874][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5280.112874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5280.112874][ T10] netlink_rcv_skb+0x130/0x360 [ 5280.112874][ T10] netlink_unicast+0x449/0x710 [ 5280.112874][ T10] netlink_sendmsg+0x723/0xbe0 [ 5280.112874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5280.112874][ T10] ___sys_sendmsg+0xee/0x170 [ 5280.112874][ T10] __sys_sendmsg+0xcd/0x170 [ 5280.112874][ T10] do_syscall_64+0xc6/0x1e0 [ 5280.112874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5280.112874][ T10] [ 5280.114766][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5280.115037][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5280.115037][ T10] netdev_get_by_index+0x5e/0x80 [ 5280.115037][ T10] fib6_nh_init+0x3d8/0x1580 [ 5280.115037][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5280.115037][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5280.115037][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5280.115037][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5280.115037][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5280.115037][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5280.115037][ T10] addrconf_dad_begin+0x310/0x670 [ 5280.115037][ T10] addrconf_dad_work+0x10b/0xab0 [ 5280.115037][ T10] process_one_work+0x84d/0x18a0 [ 5280.115037][ T10] worker_thread+0x587/0xd30 [ 5280.115037][ T10] kthread+0x28a/0x350 [ 5280.115037][ T10] ret_from_fork+0x31/0x70 [ 5280.115037][ T10] ret_from_fork_asm+0x1a/0x30 [ 5280.115037][ T10] [ 5280.117158][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5280.117158][ T10] netdev_get_by_index+0x5e/0x80 [ 5280.117158][ T10] fib6_nh_init+0x3d8/0x1580 [ 5280.117158][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5280.117158][ T10] ip6_route_add+0x1c/0x140 [ 5280.117158][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5280.117158][ T10] inet6_addr_add+0x4f8/0xa40 [ 5280.117158][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5280.117158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5280.117158][ T10] netlink_rcv_skb+0x130/0x360 [ 5280.117158][ T10] netlink_unicast+0x449/0x710 [ 5280.117158][ T10] netlink_sendmsg+0x723/0xbe0 [ 5280.117158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5280.117158][ T10] ___sys_sendmsg+0xee/0x170 [ 5280.117158][ T10] __sys_sendmsg+0xcd/0x170 [ 5280.117158][ T10] do_syscall_64+0xc6/0x1e0 [ 5280.117158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5280.117158][ T10] [ 5280.119587][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5280.119587][ T10] netdev_get_by_index+0x5e/0x80 [ 5280.119587][ T10] fib6_nh_init+0x3d8/0x1580 [ 5280.119587][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5280.119587][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5280.119587][ T10] ipv6_add_addr+0x411/0x2000 [ 5280.119587][ T10] inet6_addr_add+0x30e/0xa40 [ 5280.119587][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5280.119587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5280.119587][ T10] netlink_rcv_skb+0x130/0x360 [ 5280.119587][ T10] netlink_unicast+0x449/0x710 [ 5280.119587][ T10] netlink_sendmsg+0x723/0xbe0 [ 5280.119587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5280.119587][ T10] ___sys_sendmsg+0xee/0x170 [ 5280.119587][ T10] __sys_sendmsg+0xcd/0x170 [ 5280.119587][ T10] do_syscall_64+0xc6/0x1e0 [ 5280.119587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5280.119587][ T10] [ 5280.122140][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5280.122140][ T10] netdev_get_by_index+0x5e/0x80 [ 5280.122140][ T10] fib6_nh_init+0x3d8/0x1580 [ 5280.122140][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5280.122140][ T10] ip6_route_add+0x1c/0x140 [ 5280.122140][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5280.122140][ T10] addrconf_add_dev+0xe2/0x170 [ 5280.122140][ T10] inet6_addr_add+0x12f/0xa40 [ 5280.122140][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5280.122140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5280.122140][ T10] netlink_rcv_skb+0x130/0x360 [ 5280.122140][ T10] netlink_unicast+0x449/0x710 [ 5280.122140][ T10] netlink_sendmsg+0x723/0xbe0 [ 5280.122140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5280.122140][ T10] ___sys_sendmsg+0xee/0x170 [ 5280.122140][ T10] __sys_sendmsg+0xcd/0x170 [ 5280.122140][ T10] do_syscall_64+0xc6/0x1e0 [ 5280.122140][ T10] [ 5280.124548][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5280.124548][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5280.124548][ T10] ipv6_find_idev+0x102/0x170 [ 5280.124548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5280.124548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5280.124548][ T10] netlink_rcv_skb+0x130/0x360 [ 5280.124548][ T10] netlink_unicast+0x449/0x710 [ 5280.124548][ T10] netlink_sendmsg+0x723/0xbe0 [ 5280.124548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5280.124548][ T10] ___sys_sendmsg+0xee/0x170 [ 5280.124548][ T10] __sys_sendmsg+0xcd/0x170 [ 5280.124548][ T10] do_syscall_64+0xc6/0x1e0 [ 5280.124548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5280.124548][ T10] [ 5280.126470][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5280.126470][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5280.126470][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5280.126470][ T10] ipv6_find_idev+0x102/0x170 [ 5280.126470][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5280.126470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5280.126470][ T10] netlink_rcv_skb+0x130/0x360 [ 5280.126470][ T10] netlink_unicast+0x449/0x710 [ 5280.126470][ T10] netlink_sendmsg+0x723/0xbe0 [ 5280.126470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5280.126470][ T10] ___sys_sendmsg+0xee/0x170 [ 5280.126470][ T10] __sys_sendmsg+0xcd/0x170 [ 5280.126470][ T10] do_syscall_64+0xc6/0x1e0 [ 5280.126470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5280.126470][ T10] [ 5280.128642][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5280.128910][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5280.128910][ T10] netdev_get_by_index+0x5e/0x80 [ 5280.128910][ T10] fib6_nh_init+0x3d8/0x1580 [ 5280.128910][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5280.128910][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5280.128910][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5280.128910][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5280.128910][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5280.128910][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5280.128910][ T10] addrconf_dad_begin+0x310/0x670 [ 5280.128910][ T10] addrconf_dad_work+0x10b/0xab0 [ 5280.128910][ T10] process_one_work+0x84d/0x18a0 [ 5280.128910][ T10] worker_thread+0x587/0xd30 [ 5280.128910][ T10] kthread+0x28a/0x350 [ 5280.128910][ T10] ret_from_fork+0x31/0x70 [ 5280.128910][ T10] ret_from_fork_asm+0x1a/0x30 [ 5280.128910][ T10] [ 5280.131373][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5280.131373][ T10] netdev_get_by_index+0x5e/0x80 [ 5280.131373][ T10] fib6_nh_init+0x3d8/0x1580 [ 5280.131373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5280.131373][ T10] ip6_route_add+0x1c/0x140 [ 5280.131373][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5280.131373][ T10] inet6_addr_add+0x4f8/0xa40 [ 5280.131373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5280.131373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5280.131373][ T10] netlink_rcv_skb+0x130/0x360 [ 5280.131373][ T10] netlink_unicast+0x449/0x710 [ 5280.131373][ T10] netlink_sendmsg+0x723/0xbe0 [ 5280.131373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5280.131373][ T10] ___sys_sendmsg+0xee/0x170 [ 5280.131373][ T10] __sys_sendmsg+0xcd/0x170 [ 5280.131373][ T10] do_syscall_64+0xc6/0x1e0 [ 5280.131373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5280.131373][ T10] [ 5280.133879][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5280.133879][ T10] netdev_get_by_index+0x5e/0x80 [ 5280.133879][ T10] fib6_nh_init+0x3d8/0x1580 [ 5280.133879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5280.133879][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5280.133879][ T10] ipv6_add_addr+0x411/0x2000 [ 5280.133879][ T10] inet6_addr_add+0x30e/0xa40 [ 5280.133879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5280.133879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5280.133879][ T10] netlink_rcv_skb+0x130/0x360 [ 5280.133879][ T10] netlink_unicast+0x449/0x710 [ 5280.133879][ T10] netlink_sendmsg+0x723/0xbe0 [ 5280.133879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5280.133879][ T10] ___sys_sendmsg+0xee/0x170 [ 5280.133879][ T10] __sys_sendmsg+0xcd/0x170 [ 5280.133879][ T10] do_syscall_64+0xc6/0x1e0 [ 5280.133879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5280.133879][ T10] [ 5280.136300][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5280.136300][ T10] netdev_get_by_index+0x5e/0x80 [ 5280.136300][ T10] fib6_nh_init+0x3d8/0x1580 [ 5280.136300][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5280.136300][ T10] ip6_route_add+0x1c/0x140 [ 5280.136300][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5280.136300][ T10] addrconf_add_dev+0xe2/0x170 [ 5280.136300][ T10] inet6_addr_add+0x12f/0xa40 [ 5280.136300][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5280.136300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5280.136300][ T10] netlink_rcv_skb+0x130/0x360 [ 5280.136300][ T10] netlink_unicast+0x449/0x710 [ 5280.136300][ T10] netlink_sendmsg+0x723/0xbe0 [ 5280.136300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5280.136300][ T10] ___sys_sendmsg+0xee/0x170 [ 5280.136300][ T10] __sys_sendmsg+0xcd/0x170 [ 5280.136300][ T10] do_syscall_64+0xc6/0x1e0 [ 5280.136300][ T10] [ 5280.138753][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5280.138753][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5280.138753][ T10] ipv6_find_idev+0x102/0x170 [ 5280.138753][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5280.138753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5280.138753][ T10] netlink_rcv_skb+0x130/0x360 [ 5280.138753][ T10] netlink_unicast+0x449/0x710 [ 5280.138753][ T10] netlink_sendmsg+0x723/0xbe0 [ 5280.138753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5280.138753][ T10] ___sys_sendmsg+0xee/0x170 [ 5280.138753][ T10] __sys_sendmsg+0xcd/0x170 [ 5280.138753][ T10] do_syscall_64+0xc6/0x1e0 [ 5280.138753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5280.138753][ T10] [ 5280.140667][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5280.140667][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5280.140667][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5280.140667][ T10] ipv6_find_idev+0x102/0x170 [ 5280.140667][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5280.140667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5280.140667][ T10] netlink_rcv_skb+0x130/0x360 [ 5280.140667][ T10] netlink_unicast+0x449/0x710 [ 5280.140667][ T10] netlink_sendmsg+0x723/0xbe0 [ 5280.140667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5280.140667][ T10] ___sys_sendmsg+0xee/0x170 [ 5280.140667][ T10] __sys_sendmsg+0xcd/0x170 [ 5280.140667][ T10] do_syscall_64+0xc6/0x1e0 [ 5280.140667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5280.140667][ T10] [ 5282.433146][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5282.433644][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5282.433644][ T1167] dst_init+0x84/0x4a0 [ 5282.433644][ T1167] dst_alloc+0x97/0x150 [ 5282.433644][ T1167] ip6_dst_alloc+0x23/0x90 [ 5282.433644][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5282.433644][ T1167] ip6_pol_route+0x56f/0x840 [ 5282.433644][ T1167] fib6_rule_lookup+0x334/0x630 [ 5282.433644][ T1167] ip6_route_output_flags+0x259/0x480 [ 5282.433644][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5282.433644][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5282.433644][ T1167] netlink_rcv_skb+0x130/0x360 [ 5282.433644][ T1167] netlink_unicast+0x449/0x710 [ 5282.433644][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5282.433644][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5282.433644][ T1167] ___sys_sendmsg+0xee/0x170 [ 5282.433644][ T1167] __sys_sendmsg+0xcd/0x170 [ 5282.433644][ T1167] do_syscall_64+0xc6/0x1e0 [ 5282.433644][ T1167] [ 5282.435888][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5282.435888][ T1167] netdev_get_by_index+0x5e/0x80 [ 5282.435888][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5282.435888][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5282.435888][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5282.435888][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5282.435888][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5282.435888][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5282.435888][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5282.435888][ T1167] addrconf_dad_begin+0x310/0x670 [ 5282.435888][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5282.435888][ T1167] process_one_work+0x84d/0x18a0 [ 5282.435888][ T1167] worker_thread+0x587/0xd30 [ 5282.435888][ T1167] kthread+0x28a/0x350 [ 5282.435888][ T1167] ret_from_fork+0x31/0x70 [ 5282.435888][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5282.435888][ T1167] [ 5282.438065][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5282.438065][ T1167] netdev_get_by_index+0x5e/0x80 [ 5282.438065][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5282.438065][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5282.438065][ T1167] ip6_route_add+0x1c/0x140 [ 5282.438065][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5282.438065][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5282.438065][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5282.438065][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5282.438065][ T1167] netlink_rcv_skb+0x130/0x360 [ 5282.438065][ T1167] netlink_unicast+0x449/0x710 [ 5282.438065][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5282.438065][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5282.438065][ T1167] ___sys_sendmsg+0xee/0x170 [ 5282.438065][ T1167] __sys_sendmsg+0xcd/0x170 [ 5282.438065][ T1167] do_syscall_64+0xc6/0x1e0 [ 5282.438065][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5282.438065][ T1167] [ 5282.440346][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5282.440346][ T1167] netdev_get_by_index+0x5e/0x80 [ 5282.440346][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5282.440346][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5282.440346][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5282.440346][ T1167] ipv6_add_addr+0x411/0x2000 [ 5282.440346][ T1167] inet6_addr_add+0x30e/0xa40 [ 5282.440346][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5282.440346][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5282.440346][ T1167] netlink_rcv_skb+0x130/0x360 [ 5282.440346][ T1167] netlink_unicast+0x449/0x710 [ 5282.440346][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5282.440346][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5282.440346][ T1167] ___sys_sendmsg+0xee/0x170 [ 5282.440346][ T1167] __sys_sendmsg+0xcd/0x170 [ 5282.440346][ T1167] do_syscall_64+0xc6/0x1e0 [ 5282.440346][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5282.440346][ T1167] [ 5282.442606][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5282.442606][ T1167] netdev_get_by_index+0x5e/0x80 [ 5282.442606][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5282.442606][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5282.442606][ T1167] ip6_route_add+0x1c/0x140 [ 5282.442606][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5282.442606][ T1167] addrconf_add_dev+0xe2/0x170 [ 5282.442606][ T1167] inet6_addr_add+0x12f/0xa40 [ 5282.442606][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5282.442606][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5282.442606][ T1167] netlink_rcv_skb+0x130/0x360 [ 5282.442606][ T1167] netlink_unicast+0x449/0x710 [ 5282.442606][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5282.442606][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5282.442606][ T1167] ___sys_sendmsg+0xee/0x170 [ 5282.442606][ T1167] __sys_sendmsg+0xcd/0x170 [ 5282.442606][ T1167] do_syscall_64+0xc6/0x1e0 [ 5282.442606][ T1167] [ 5282.444842][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5282.444842][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5282.444842][ T1167] ipv6_find_idev+0x102/0x170 [ 5282.444842][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5282.444842][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5282.444842][ T1167] netlink_rcv_skb+0x130/0x360 [ 5282.444842][ T1167] netlink_unicast+0x449/0x710 [ 5282.444842][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5282.444842][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5282.444842][ T1167] ___sys_sendmsg+0xee/0x170 [ 5282.444842][ T1167] __sys_sendmsg+0xcd/0x170 [ 5282.444842][ T1167] do_syscall_64+0xc6/0x1e0 [ 5282.444842][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5282.444842][ T1167] [ 5282.446592][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5282.446592][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5282.446592][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5282.446592][ T1167] ipv6_find_idev+0x102/0x170 [ 5282.446592][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5282.446592][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5282.446592][ T1167] netlink_rcv_skb+0x130/0x360 [ 5282.446592][ T1167] netlink_unicast+0x449/0x710 [ 5282.446592][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5282.446592][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5282.446592][ T1167] ___sys_sendmsg+0xee/0x170 [ 5282.446592][ T1167] __sys_sendmsg+0xcd/0x170 [ 5282.446592][ T1167] do_syscall_64+0xc6/0x1e0 [ 5282.446592][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5282.446592][ T1167] [ 5290.393120][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5290.393588][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5290.393588][ T10] netdev_get_by_index+0x5e/0x80 [ 5290.393588][ T10] fib6_nh_init+0x3d8/0x1580 [ 5290.393588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5290.393588][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5290.393588][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5290.393588][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5290.393588][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5290.393588][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5290.393588][ T10] addrconf_dad_begin+0x310/0x670 [ 5290.393588][ T10] addrconf_dad_work+0x10b/0xab0 [ 5290.393588][ T10] process_one_work+0x84d/0x18a0 [ 5290.393588][ T10] worker_thread+0x587/0xd30 [ 5290.393588][ T10] kthread+0x28a/0x350 [ 5290.393588][ T10] ret_from_fork+0x31/0x70 [ 5290.393588][ T10] ret_from_fork_asm+0x1a/0x30 [ 5290.393588][ T10] [ 5290.395816][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5290.395816][ T10] netdev_get_by_index+0x5e/0x80 [ 5290.395816][ T10] fib6_nh_init+0x3d8/0x1580 [ 5290.395816][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5290.395816][ T10] ip6_route_add+0x1c/0x140 [ 5290.395816][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5290.395816][ T10] inet6_addr_add+0x4f8/0xa40 [ 5290.395816][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5290.395816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5290.395816][ T10] netlink_rcv_skb+0x130/0x360 [ 5290.395816][ T10] netlink_unicast+0x449/0x710 [ 5290.395816][ T10] netlink_sendmsg+0x723/0xbe0 [ 5290.395816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5290.395816][ T10] ___sys_sendmsg+0xee/0x170 [ 5290.395816][ T10] __sys_sendmsg+0xcd/0x170 [ 5290.395816][ T10] do_syscall_64+0xc6/0x1e0 [ 5290.395816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5290.395816][ T10] [ 5290.398064][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5290.398064][ T10] netdev_get_by_index+0x5e/0x80 [ 5290.398064][ T10] fib6_nh_init+0x3d8/0x1580 [ 5290.398064][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5290.398064][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5290.398064][ T10] ipv6_add_addr+0x411/0x2000 [ 5290.398064][ T10] inet6_addr_add+0x30e/0xa40 [ 5290.398064][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5290.398064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5290.398064][ T10] netlink_rcv_skb+0x130/0x360 [ 5290.398064][ T10] netlink_unicast+0x449/0x710 [ 5290.398064][ T10] netlink_sendmsg+0x723/0xbe0 [ 5290.398064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5290.398064][ T10] ___sys_sendmsg+0xee/0x170 [ 5290.398064][ T10] __sys_sendmsg+0xcd/0x170 [ 5290.398064][ T10] do_syscall_64+0xc6/0x1e0 [ 5290.398064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5290.398064][ T10] [ 5290.400419][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5290.400419][ T10] netdev_get_by_index+0x5e/0x80 [ 5290.400419][ T10] fib6_nh_init+0x3d8/0x1580 [ 5290.400419][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5290.400419][ T10] ip6_route_add+0x1c/0x140 [ 5290.400419][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5290.400419][ T10] addrconf_add_dev+0xe2/0x170 [ 5290.400419][ T10] inet6_addr_add+0x12f/0xa40 [ 5290.400419][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5290.400419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5290.400419][ T10] netlink_rcv_skb+0x130/0x360 [ 5290.400419][ T10] netlink_unicast+0x449/0x710 [ 5290.400419][ T10] netlink_sendmsg+0x723/0xbe0 [ 5290.400419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5290.400419][ T10] ___sys_sendmsg+0xee/0x170 [ 5290.400419][ T10] __sys_sendmsg+0xcd/0x170 [ 5290.400419][ T10] do_syscall_64+0xc6/0x1e0 [ 5290.400419][ T10] [ 5290.402644][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5290.402644][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5290.402644][ T10] ipv6_find_idev+0x102/0x170 [ 5290.402644][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5290.402644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5290.402644][ T10] netlink_rcv_skb+0x130/0x360 [ 5290.402644][ T10] netlink_unicast+0x449/0x710 [ 5290.402644][ T10] netlink_sendmsg+0x723/0xbe0 [ 5290.402644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5290.402644][ T10] ___sys_sendmsg+0xee/0x170 [ 5290.402644][ T10] __sys_sendmsg+0xcd/0x170 [ 5290.402644][ T10] do_syscall_64+0xc6/0x1e0 [ 5290.402644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5290.402644][ T10] [ 5290.404377][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5290.404377][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5290.404377][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5290.404377][ T10] ipv6_find_idev+0x102/0x170 [ 5290.404377][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5290.404377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5290.404377][ T10] netlink_rcv_skb+0x130/0x360 [ 5290.404377][ T10] netlink_unicast+0x449/0x710 [ 5290.404377][ T10] netlink_sendmsg+0x723/0xbe0 [ 5290.404377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5290.404377][ T10] ___sys_sendmsg+0xee/0x170 [ 5290.404377][ T10] __sys_sendmsg+0xcd/0x170 [ 5290.404377][ T10] do_syscall_64+0xc6/0x1e0 [ 5290.404377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5290.404377][ T10] [ 5290.406304][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5290.406594][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5290.406594][ T10] netdev_get_by_index+0x5e/0x80 [ 5290.406594][ T10] fib6_nh_init+0x3d8/0x1580 [ 5290.406594][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5290.406594][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5290.406594][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5290.406594][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5290.406594][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5290.406594][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5290.406594][ T10] addrconf_dad_begin+0x310/0x670 [ 5290.406594][ T10] addrconf_dad_work+0x10b/0xab0 [ 5290.406594][ T10] process_one_work+0x84d/0x18a0 [ 5290.406594][ T10] worker_thread+0x587/0xd30 [ 5290.406594][ T10] kthread+0x28a/0x350 [ 5290.406594][ T10] ret_from_fork+0x31/0x70 [ 5290.406594][ T10] ret_from_fork_asm+0x1a/0x30 [ 5290.406594][ T10] [ 5290.408755][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5290.408755][ T10] netdev_get_by_index+0x5e/0x80 [ 5290.408755][ T10] fib6_nh_init+0x3d8/0x1580 [ 5290.408755][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5290.408755][ T10] ip6_route_add+0x1c/0x140 [ 5290.408755][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5290.408755][ T10] inet6_addr_add+0x4f8/0xa40 [ 5290.408755][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5290.408755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5290.408755][ T10] netlink_rcv_skb+0x130/0x360 [ 5290.408755][ T10] netlink_unicast+0x449/0x710 [ 5290.408755][ T10] netlink_sendmsg+0x723/0xbe0 [ 5290.408755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5290.408755][ T10] ___sys_sendmsg+0xee/0x170 [ 5290.408755][ T10] __sys_sendmsg+0xcd/0x170 [ 5290.408755][ T10] do_syscall_64+0xc6/0x1e0 [ 5290.408755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5290.408755][ T10] [ 5290.411012][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5290.411012][ T10] netdev_get_by_index+0x5e/0x80 [ 5290.411012][ T10] fib6_nh_init+0x3d8/0x1580 [ 5290.411012][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5290.411012][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5290.411012][ T10] ipv6_add_addr+0x411/0x2000 [ 5290.411012][ T10] inet6_addr_add+0x30e/0xa40 [ 5290.411012][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5290.411012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5290.411012][ T10] netlink_rcv_skb+0x130/0x360 [ 5290.411012][ T10] netlink_unicast+0x449/0x710 [ 5290.411012][ T10] netlink_sendmsg+0x723/0xbe0 [ 5290.411012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5290.411012][ T10] ___sys_sendmsg+0xee/0x170 [ 5290.411012][ T10] __sys_sendmsg+0xcd/0x170 [ 5290.411012][ T10] do_syscall_64+0xc6/0x1e0 [ 5290.411012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5290.411012][ T10] [ 5290.413263][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5290.413263][ T10] netdev_get_by_index+0x5e/0x80 [ 5290.413263][ T10] fib6_nh_init+0x3d8/0x1580 [ 5290.413263][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5290.413263][ T10] ip6_route_add+0x1c/0x140 [ 5290.413263][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5290.413263][ T10] addrconf_add_dev+0xe2/0x170 [ 5290.413263][ T10] inet6_addr_add+0x12f/0xa40 [ 5290.413263][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5290.413263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5290.413263][ T10] netlink_rcv_skb+0x130/0x360 [ 5290.413263][ T10] netlink_unicast+0x449/0x710 [ 5290.413263][ T10] netlink_sendmsg+0x723/0xbe0 [ 5290.413263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5290.413263][ T10] ___sys_sendmsg+0xee/0x170 [ 5290.413263][ T10] __sys_sendmsg+0xcd/0x170 [ 5290.413263][ T10] do_syscall_64+0xc6/0x1e0 [ 5290.413263][ T10] [ 5290.415493][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5290.415493][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5290.415493][ T10] ipv6_find_idev+0x102/0x170 [ 5290.415493][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5290.415493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5290.415493][ T10] netlink_rcv_skb+0x130/0x360 [ 5290.415493][ T10] netlink_unicast+0x449/0x710 [ 5290.415493][ T10] netlink_sendmsg+0x723/0xbe0 [ 5290.415493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5290.415493][ T10] ___sys_sendmsg+0xee/0x170 [ 5290.415493][ T10] __sys_sendmsg+0xcd/0x170 [ 5290.415493][ T10] do_syscall_64+0xc6/0x1e0 [ 5290.415493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5290.415493][ T10] [ 5290.417755][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5290.417755][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5290.417755][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5290.417755][ T10] ipv6_find_idev+0x102/0x170 [ 5290.417755][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5290.417755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5290.417755][ T10] netlink_rcv_skb+0x130/0x360 [ 5290.417755][ T10] netlink_unicast+0x449/0x710 [ 5290.417755][ T10] netlink_sendmsg+0x723/0xbe0 [ 5290.417755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5290.417755][ T10] ___sys_sendmsg+0xee/0x170 [ 5290.417755][ T10] __sys_sendmsg+0xcd/0x170 [ 5290.417755][ T10] do_syscall_64+0xc6/0x1e0 [ 5290.417755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5290.417755][ T10] [ 5290.419666][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5290.419926][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5290.419926][ T10] netdev_get_by_index+0x5e/0x80 [ 5290.419926][ T10] fib6_nh_init+0x3d8/0x1580 [ 5290.419926][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5290.419926][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5290.419926][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5290.419926][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5290.419926][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5290.419926][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5290.419926][ T10] addrconf_dad_begin+0x310/0x670 [ 5290.419926][ T10] addrconf_dad_work+0x10b/0xab0 [ 5290.419926][ T10] process_one_work+0x84d/0x18a0 [ 5290.419926][ T10] worker_thread+0x587/0xd30 [ 5290.419926][ T10] kthread+0x28a/0x350 [ 5290.419926][ T10] ret_from_fork+0x31/0x70 [ 5290.419926][ T10] ret_from_fork_asm+0x1a/0x30 [ 5290.419926][ T10] [ 5290.422067][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5290.422067][ T10] netdev_get_by_index+0x5e/0x80 [ 5290.422067][ T10] fib6_nh_init+0x3d8/0x1580 [ 5290.422067][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5290.422067][ T10] ip6_route_add+0x1c/0x140 [ 5290.422067][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5290.422067][ T10] inet6_addr_add+0x4f8/0xa40 [ 5290.422067][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5290.422067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5290.422067][ T10] netlink_rcv_skb+0x130/0x360 [ 5290.422067][ T10] netlink_unicast+0x449/0x710 [ 5290.422067][ T10] netlink_sendmsg+0x723/0xbe0 [ 5290.422067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5290.422067][ T10] ___sys_sendmsg+0xee/0x170 [ 5290.422067][ T10] __sys_sendmsg+0xcd/0x170 [ 5290.422067][ T10] do_syscall_64+0xc6/0x1e0 [ 5290.422067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5290.422067][ T10] [ 5290.424525][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5290.424525][ T10] netdev_get_by_index+0x5e/0x80 [ 5290.424525][ T10] fib6_nh_init+0x3d8/0x1580 [ 5290.424525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5290.424525][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5290.424525][ T10] ipv6_add_addr+0x411/0x2000 [ 5290.424525][ T10] inet6_addr_add+0x30e/0xa40 [ 5290.424525][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5290.424525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5290.424525][ T10] netlink_rcv_skb+0x130/0x360 [ 5290.424525][ T10] netlink_unicast+0x449/0x710 [ 5290.424525][ T10] netlink_sendmsg+0x723/0xbe0 [ 5290.424525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5290.424525][ T10] ___sys_sendmsg+0xee/0x170 [ 5290.424525][ T10] __sys_sendmsg+0xcd/0x170 [ 5290.424525][ T10] do_syscall_64+0xc6/0x1e0 [ 5290.424525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5290.424525][ T10] [ 5290.427080][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5290.427080][ T10] netdev_get_by_index+0x5e/0x80 [ 5290.427080][ T10] fib6_nh_init+0x3d8/0x1580 [ 5290.427080][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5290.427080][ T10] ip6_route_add+0x1c/0x140 [ 5290.427080][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5290.427080][ T10] addrconf_add_dev+0xe2/0x170 [ 5290.427080][ T10] inet6_addr_add+0x12f/0xa40 [ 5290.427080][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5290.427080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5290.427080][ T10] netlink_rcv_skb+0x130/0x360 [ 5290.427080][ T10] netlink_unicast+0x449/0x710 [ 5290.427080][ T10] netlink_sendmsg+0x723/0xbe0 [ 5290.427080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5290.427080][ T10] ___sys_sendmsg+0xee/0x170 [ 5290.427080][ T10] __sys_sendmsg+0xcd/0x170 [ 5290.427080][ T10] do_syscall_64+0xc6/0x1e0 [ 5290.427080][ T10] [ 5290.429467][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5290.429467][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5290.429467][ T10] ipv6_find_idev+0x102/0x170 [ 5290.429467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5290.429467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5290.429467][ T10] netlink_rcv_skb+0x130/0x360 [ 5290.429467][ T10] netlink_unicast+0x449/0x710 [ 5290.429467][ T10] netlink_sendmsg+0x723/0xbe0 [ 5290.429467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5290.429467][ T10] ___sys_sendmsg+0xee/0x170 [ 5290.429467][ T10] __sys_sendmsg+0xcd/0x170 [ 5290.429467][ T10] do_syscall_64+0xc6/0x1e0 [ 5290.429467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5290.429467][ T10] [ 5290.431380][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5290.431380][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5290.431380][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5290.431380][ T10] ipv6_find_idev+0x102/0x170 [ 5290.431380][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5290.431380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5290.431380][ T10] netlink_rcv_skb+0x130/0x360 [ 5290.431380][ T10] netlink_unicast+0x449/0x710 [ 5290.431380][ T10] netlink_sendmsg+0x723/0xbe0 [ 5290.431380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5290.431380][ T10] ___sys_sendmsg+0xee/0x170 [ 5290.431380][ T10] __sys_sendmsg+0xcd/0x170 [ 5290.431380][ T10] do_syscall_64+0xc6/0x1e0 [ 5290.431380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5290.431380][ T10] [ 5290.433524][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5290.433790][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5290.433790][ T10] netdev_get_by_index+0x5e/0x80 [ 5290.433790][ T10] fib6_nh_init+0x3d8/0x1580 [ 5290.433790][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5290.433790][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5290.433790][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5290.433790][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5290.433790][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5290.433790][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5290.433790][ T10] addrconf_dad_begin+0x310/0x670 [ 5290.433790][ T10] addrconf_dad_work+0x10b/0xab0 [ 5290.433790][ T10] process_one_work+0x84d/0x18a0 [ 5290.433790][ T10] worker_thread+0x587/0xd30 [ 5290.433790][ T10] kthread+0x28a/0x350 [ 5290.433790][ T10] ret_from_fork+0x31/0x70 [ 5290.433790][ T10] ret_from_fork_asm+0x1a/0x30 [ 5290.433790][ T10] [ 5290.440115][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5290.440115][ T10] netdev_get_by_index+0x5e/0x80 [ 5290.440115][ T10] fib6_nh_init+0x3d8/0x1580 [ 5290.440115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5290.440115][ T10] ip6_route_add+0x1c/0x140 [ 5290.440115][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5290.440115][ T10] inet6_addr_add+0x4f8/0xa40 [ 5290.440115][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5290.440115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5290.440115][ T10] netlink_rcv_skb+0x130/0x360 [ 5290.440115][ T10] netlink_unicast+0x449/0x710 [ 5290.440115][ T10] netlink_sendmsg+0x723/0xbe0 [ 5290.440115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5290.440115][ T10] ___sys_sendmsg+0xee/0x170 [ 5290.440115][ T10] __sys_sendmsg+0xcd/0x170 [ 5290.440115][ T10] do_syscall_64+0xc6/0x1e0 [ 5290.440115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5290.440115][ T10] [ 5290.442602][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5290.442602][ T10] netdev_get_by_index+0x5e/0x80 [ 5290.442602][ T10] fib6_nh_init+0x3d8/0x1580 [ 5290.442602][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5290.442602][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5290.442602][ T10] ipv6_add_addr+0x411/0x2000 [ 5290.442602][ T10] inet6_addr_add+0x30e/0xa40 [ 5290.442602][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5290.442602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5290.442602][ T10] netlink_rcv_skb+0x130/0x360 [ 5290.442602][ T10] netlink_unicast+0x449/0x710 [ 5290.442602][ T10] netlink_sendmsg+0x723/0xbe0 [ 5290.442602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5290.442602][ T10] ___sys_sendmsg+0xee/0x170 [ 5290.442602][ T10] __sys_sendmsg+0xcd/0x170 [ 5290.442602][ T10] do_syscall_64+0xc6/0x1e0 [ 5290.442602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5290.442602][ T10] [ 5290.445015][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5290.445015][ T10] netdev_get_by_index+0x5e/0x80 [ 5290.445015][ T10] fib6_nh_init+0x3d8/0x1580 [ 5290.445015][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5290.445015][ T10] ip6_route_add+0x1c/0x140 [ 5290.445015][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5290.445015][ T10] addrconf_add_dev+0xe2/0x170 [ 5290.445015][ T10] inet6_addr_add+0x12f/0xa40 [ 5290.445015][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5290.445015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5290.445015][ T10] netlink_rcv_skb+0x130/0x360 [ 5290.445015][ T10] netlink_unicast+0x449/0x710 [ 5290.445015][ T10] netlink_sendmsg+0x723/0xbe0 [ 5290.445015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5290.445015][ T10] ___sys_sendmsg+0xee/0x170 [ 5290.445015][ T10] __sys_sendmsg+0xcd/0x170 [ 5290.445015][ T10] do_syscall_64+0xc6/0x1e0 [ 5290.445015][ T10] [ 5290.447453][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5290.447453][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5290.447453][ T10] ipv6_find_idev+0x102/0x170 [ 5290.447453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5290.447453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5290.447453][ T10] netlink_rcv_skb+0x130/0x360 [ 5290.447453][ T10] netlink_unicast+0x449/0x710 [ 5290.447453][ T10] netlink_sendmsg+0x723/0xbe0 [ 5290.447453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5290.447453][ T10] ___sys_sendmsg+0xee/0x170 [ 5290.447453][ T10] __sys_sendmsg+0xcd/0x170 [ 5290.447453][ T10] do_syscall_64+0xc6/0x1e0 [ 5290.447453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5290.447453][ T10] [ 5290.449359][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5290.449359][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5290.449359][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5290.449359][ T10] ipv6_find_idev+0x102/0x170 [ 5290.449359][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5290.449359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5290.449359][ T10] netlink_rcv_skb+0x130/0x360 [ 5290.449359][ T10] netlink_unicast+0x449/0x710 [ 5290.449359][ T10] netlink_sendmsg+0x723/0xbe0 [ 5290.449359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5290.449359][ T10] ___sys_sendmsg+0xee/0x170 [ 5290.449359][ T10] __sys_sendmsg+0xcd/0x170 [ 5290.449359][ T10] do_syscall_64+0xc6/0x1e0 [ 5290.449359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5290.449359][ T10] [ 5292.689106][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5292.689527][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5292.689527][ T1167] dst_init+0x84/0x4a0 [ 5292.689527][ T1167] dst_alloc+0x97/0x150 [ 5292.689527][ T1167] ip6_dst_alloc+0x23/0x90 [ 5292.689527][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5292.689527][ T1167] ip6_pol_route+0x56f/0x840 [ 5292.689527][ T1167] fib6_rule_lookup+0x334/0x630 [ 5292.689527][ T1167] ip6_route_output_flags+0x259/0x480 [ 5292.689527][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5292.689527][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5292.689527][ T1167] netlink_rcv_skb+0x130/0x360 [ 5292.689527][ T1167] netlink_unicast+0x449/0x710 [ 5292.689527][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5292.689527][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5292.689527][ T1167] ___sys_sendmsg+0xee/0x170 [ 5292.689527][ T1167] __sys_sendmsg+0xcd/0x170 [ 5292.689527][ T1167] do_syscall_64+0xc6/0x1e0 [ 5292.689527][ T1167] [ 5292.691765][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5292.691765][ T1167] netdev_get_by_index+0x5e/0x80 [ 5292.691765][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5292.691765][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5292.691765][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5292.691765][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5292.691765][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5292.691765][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5292.691765][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5292.691765][ T1167] addrconf_dad_begin+0x310/0x670 [ 5292.691765][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5292.691765][ T1167] process_one_work+0x84d/0x18a0 [ 5292.691765][ T1167] worker_thread+0x587/0xd30 [ 5292.691765][ T1167] kthread+0x28a/0x350 [ 5292.691765][ T1167] ret_from_fork+0x31/0x70 [ 5292.691765][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5292.691765][ T1167] [ 5292.693933][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5292.693933][ T1167] netdev_get_by_index+0x5e/0x80 [ 5292.693933][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5292.693933][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5292.693933][ T1167] ip6_route_add+0x1c/0x140 [ 5292.693933][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5292.693933][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5292.693933][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5292.693933][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5292.693933][ T1167] netlink_rcv_skb+0x130/0x360 [ 5292.693933][ T1167] netlink_unicast+0x449/0x710 [ 5292.693933][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5292.693933][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5292.693933][ T1167] ___sys_sendmsg+0xee/0x170 [ 5292.693933][ T1167] __sys_sendmsg+0xcd/0x170 [ 5292.693933][ T1167] do_syscall_64+0xc6/0x1e0 [ 5292.693933][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5292.693933][ T1167] [ 5292.696182][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5292.696182][ T1167] netdev_get_by_index+0x5e/0x80 [ 5292.696182][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5292.696182][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5292.696182][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5292.696182][ T1167] ipv6_add_addr+0x411/0x2000 [ 5292.696182][ T1167] inet6_addr_add+0x30e/0xa40 [ 5292.696182][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5292.696182][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5292.696182][ T1167] netlink_rcv_skb+0x130/0x360 [ 5292.696182][ T1167] netlink_unicast+0x449/0x710 [ 5292.696182][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5292.696182][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5292.696182][ T1167] ___sys_sendmsg+0xee/0x170 [ 5292.696182][ T1167] __sys_sendmsg+0xcd/0x170 [ 5292.696182][ T1167] do_syscall_64+0xc6/0x1e0 [ 5292.696182][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5292.696182][ T1167] [ 5292.698434][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5292.698434][ T1167] netdev_get_by_index+0x5e/0x80 [ 5292.698434][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5292.698434][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5292.698434][ T1167] ip6_route_add+0x1c/0x140 [ 5292.698434][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5292.698434][ T1167] addrconf_add_dev+0xe2/0x170 [ 5292.698434][ T1167] inet6_addr_add+0x12f/0xa40 [ 5292.698434][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5292.698434][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5292.698434][ T1167] netlink_rcv_skb+0x130/0x360 [ 5292.698434][ T1167] netlink_unicast+0x449/0x710 [ 5292.698434][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5292.698434][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5292.698434][ T1167] ___sys_sendmsg+0xee/0x170 [ 5292.698434][ T1167] __sys_sendmsg+0xcd/0x170 [ 5292.698434][ T1167] do_syscall_64+0xc6/0x1e0 [ 5292.698434][ T1167] [ 5292.700645][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5292.700645][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5292.700645][ T1167] ipv6_find_idev+0x102/0x170 [ 5292.700645][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5292.700645][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5292.700645][ T1167] netlink_rcv_skb+0x130/0x360 [ 5292.700645][ T1167] netlink_unicast+0x449/0x710 [ 5292.700645][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5292.700645][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5292.700645][ T1167] ___sys_sendmsg+0xee/0x170 [ 5292.700645][ T1167] __sys_sendmsg+0xcd/0x170 [ 5292.700645][ T1167] do_syscall_64+0xc6/0x1e0 [ 5292.700645][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5292.700645][ T1167] [ 5292.702378][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5292.702378][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5292.702378][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5292.702378][ T1167] ipv6_find_idev+0x102/0x170 [ 5292.702378][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5292.702378][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5292.702378][ T1167] netlink_rcv_skb+0x130/0x360 [ 5292.702378][ T1167] netlink_unicast+0x449/0x710 [ 5292.702378][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5292.702378][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5292.702378][ T1167] ___sys_sendmsg+0xee/0x170 [ 5292.702378][ T1167] __sys_sendmsg+0xcd/0x170 [ 5292.702378][ T1167] do_syscall_64+0xc6/0x1e0 [ 5292.702378][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5292.702378][ T1167] [ 5300.689133][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5300.689589][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5300.689589][ T10] netdev_get_by_index+0x5e/0x80 [ 5300.689589][ T10] fib6_nh_init+0x3d8/0x1580 [ 5300.689589][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5300.689589][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5300.689589][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5300.689589][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5300.689589][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5300.689589][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5300.689589][ T10] addrconf_dad_begin+0x310/0x670 [ 5300.689589][ T10] addrconf_dad_work+0x10b/0xab0 [ 5300.689589][ T10] process_one_work+0x84d/0x18a0 [ 5300.689589][ T10] worker_thread+0x587/0xd30 [ 5300.689589][ T10] kthread+0x28a/0x350 [ 5300.689589][ T10] ret_from_fork+0x31/0x70 [ 5300.689589][ T10] ret_from_fork_asm+0x1a/0x30 [ 5300.689589][ T10] [ 5300.691561][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5300.691561][ T10] netdev_get_by_index+0x5e/0x80 [ 5300.691561][ T10] fib6_nh_init+0x3d8/0x1580 [ 5300.691561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5300.691561][ T10] ip6_route_add+0x1c/0x140 [ 5300.691561][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5300.691561][ T10] inet6_addr_add+0x4f8/0xa40 [ 5300.691561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5300.691561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5300.691561][ T10] netlink_rcv_skb+0x130/0x360 [ 5300.691561][ T10] netlink_unicast+0x449/0x710 [ 5300.691561][ T10] netlink_sendmsg+0x723/0xbe0 [ 5300.691561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5300.691561][ T10] ___sys_sendmsg+0xee/0x170 [ 5300.691561][ T10] __sys_sendmsg+0xcd/0x170 [ 5300.691561][ T10] do_syscall_64+0xc6/0x1e0 [ 5300.691561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5300.691561][ T10] [ 5300.693609][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5300.693609][ T10] netdev_get_by_index+0x5e/0x80 [ 5300.693609][ T10] fib6_nh_init+0x3d8/0x1580 [ 5300.693609][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5300.693609][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5300.693609][ T10] ipv6_add_addr+0x411/0x2000 [ 5300.693609][ T10] inet6_addr_add+0x30e/0xa40 [ 5300.693609][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5300.693609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5300.693609][ T10] netlink_rcv_skb+0x130/0x360 [ 5300.693609][ T10] netlink_unicast+0x449/0x710 [ 5300.693609][ T10] netlink_sendmsg+0x723/0xbe0 [ 5300.693609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5300.693609][ T10] ___sys_sendmsg+0xee/0x170 [ 5300.693609][ T10] __sys_sendmsg+0xcd/0x170 [ 5300.693609][ T10] do_syscall_64+0xc6/0x1e0 [ 5300.693609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5300.693609][ T10] [ 5300.695630][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5300.695630][ T10] netdev_get_by_index+0x5e/0x80 [ 5300.695630][ T10] fib6_nh_init+0x3d8/0x1580 [ 5300.695630][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5300.695630][ T10] ip6_route_add+0x1c/0x140 [ 5300.695630][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5300.695630][ T10] addrconf_add_dev+0xe2/0x170 [ 5300.695630][ T10] inet6_addr_add+0x12f/0xa40 [ 5300.695630][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5300.695630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5300.695630][ T10] netlink_rcv_skb+0x130/0x360 [ 5300.695630][ T10] netlink_unicast+0x449/0x710 [ 5300.695630][ T10] netlink_sendmsg+0x723/0xbe0 [ 5300.695630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5300.695630][ T10] ___sys_sendmsg+0xee/0x170 [ 5300.695630][ T10] __sys_sendmsg+0xcd/0x170 [ 5300.695630][ T10] do_syscall_64+0xc6/0x1e0 [ 5300.695630][ T10] [ 5300.697624][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5300.697624][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5300.697624][ T10] ipv6_find_idev+0x102/0x170 [ 5300.697624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5300.697624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5300.697624][ T10] netlink_rcv_skb+0x130/0x360 [ 5300.697624][ T10] netlink_unicast+0x449/0x710 [ 5300.697624][ T10] netlink_sendmsg+0x723/0xbe0 [ 5300.697624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5300.697624][ T10] ___sys_sendmsg+0xee/0x170 [ 5300.697624][ T10] __sys_sendmsg+0xcd/0x170 [ 5300.697624][ T10] do_syscall_64+0xc6/0x1e0 [ 5300.697624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5300.697624][ T10] [ 5300.699198][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5300.699198][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5300.699198][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5300.699198][ T10] ipv6_find_idev+0x102/0x170 [ 5300.699198][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5300.699198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5300.699198][ T10] netlink_rcv_skb+0x130/0x360 [ 5300.699198][ T10] netlink_unicast+0x449/0x710 [ 5300.699198][ T10] netlink_sendmsg+0x723/0xbe0 [ 5300.699198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5300.699198][ T10] ___sys_sendmsg+0xee/0x170 [ 5300.699198][ T10] __sys_sendmsg+0xcd/0x170 [ 5300.699198][ T10] do_syscall_64+0xc6/0x1e0 [ 5300.699198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5300.699198][ T10] [ 5300.700923][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5300.701182][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5300.701182][ T10] netdev_get_by_index+0x5e/0x80 [ 5300.701182][ T10] fib6_nh_init+0x3d8/0x1580 [ 5300.701182][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5300.701182][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5300.701182][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5300.701182][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5300.701182][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5300.701182][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5300.701182][ T10] addrconf_dad_begin+0x310/0x670 [ 5300.701182][ T10] addrconf_dad_work+0x10b/0xab0 [ 5300.701182][ T10] process_one_work+0x84d/0x18a0 [ 5300.701182][ T10] worker_thread+0x587/0xd30 [ 5300.701182][ T10] kthread+0x28a/0x350 [ 5300.701182][ T10] ret_from_fork+0x31/0x70 [ 5300.701182][ T10] ret_from_fork_asm+0x1a/0x30 [ 5300.701182][ T10] [ 5300.703133][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5300.703133][ T10] netdev_get_by_index+0x5e/0x80 [ 5300.703133][ T10] fib6_nh_init+0x3d8/0x1580 [ 5300.703133][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5300.703133][ T10] ip6_route_add+0x1c/0x140 [ 5300.703133][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5300.703133][ T10] inet6_addr_add+0x4f8/0xa40 [ 5300.703133][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5300.703133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5300.703133][ T10] netlink_rcv_skb+0x130/0x360 [ 5300.703133][ T10] netlink_unicast+0x449/0x710 [ 5300.703133][ T10] netlink_sendmsg+0x723/0xbe0 [ 5300.703133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5300.703133][ T10] ___sys_sendmsg+0xee/0x170 [ 5300.703133][ T10] __sys_sendmsg+0xcd/0x170 [ 5300.703133][ T10] do_syscall_64+0xc6/0x1e0 [ 5300.703133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5300.703133][ T10] [ 5300.705156][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5300.705156][ T10] netdev_get_by_index+0x5e/0x80 [ 5300.705156][ T10] fib6_nh_init+0x3d8/0x1580 [ 5300.705156][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5300.705156][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5300.705156][ T10] ipv6_add_addr+0x411/0x2000 [ 5300.705156][ T10] inet6_addr_add+0x30e/0xa40 [ 5300.705156][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5300.705156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5300.705156][ T10] netlink_rcv_skb+0x130/0x360 [ 5300.705156][ T10] netlink_unicast+0x449/0x710 [ 5300.705156][ T10] netlink_sendmsg+0x723/0xbe0 [ 5300.705156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5300.705156][ T10] ___sys_sendmsg+0xee/0x170 [ 5300.705156][ T10] __sys_sendmsg+0xcd/0x170 [ 5300.705156][ T10] do_syscall_64+0xc6/0x1e0 [ 5300.705156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5300.705156][ T10] [ 5300.707180][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5300.707180][ T10] netdev_get_by_index+0x5e/0x80 [ 5300.707180][ T10] fib6_nh_init+0x3d8/0x1580 [ 5300.707180][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5300.707180][ T10] ip6_route_add+0x1c/0x140 [ 5300.707180][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5300.707180][ T10] addrconf_add_dev+0xe2/0x170 [ 5300.707180][ T10] inet6_addr_add+0x12f/0xa40 [ 5300.707180][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5300.707180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5300.707180][ T10] netlink_rcv_skb+0x130/0x360 [ 5300.707180][ T10] netlink_unicast+0x449/0x710 [ 5300.707180][ T10] netlink_sendmsg+0x723/0xbe0 [ 5300.707180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5300.707180][ T10] ___sys_sendmsg+0xee/0x170 [ 5300.707180][ T10] __sys_sendmsg+0xcd/0x170 [ 5300.707180][ T10] do_syscall_64+0xc6/0x1e0 [ 5300.707180][ T10] [ 5300.709175][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5300.709175][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5300.709175][ T10] ipv6_find_idev+0x102/0x170 [ 5300.709175][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5300.709175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5300.709175][ T10] netlink_rcv_skb+0x130/0x360 [ 5300.709175][ T10] netlink_unicast+0x449/0x710 [ 5300.709175][ T10] netlink_sendmsg+0x723/0xbe0 [ 5300.709175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5300.709175][ T10] ___sys_sendmsg+0xee/0x170 [ 5300.709175][ T10] __sys_sendmsg+0xcd/0x170 [ 5300.709175][ T10] do_syscall_64+0xc6/0x1e0 [ 5300.709175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5300.709175][ T10] [ 5300.710737][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5300.710737][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5300.710737][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5300.710737][ T10] ipv6_find_idev+0x102/0x170 [ 5300.710737][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5300.710737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5300.710737][ T10] netlink_rcv_skb+0x130/0x360 [ 5300.710737][ T10] netlink_unicast+0x449/0x710 [ 5300.710737][ T10] netlink_sendmsg+0x723/0xbe0 [ 5300.710737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5300.710737][ T10] ___sys_sendmsg+0xee/0x170 [ 5300.710737][ T10] __sys_sendmsg+0xcd/0x170 [ 5300.710737][ T10] do_syscall_64+0xc6/0x1e0 [ 5300.710737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5300.710737][ T10] [ 5300.712449][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5300.712695][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5300.712695][ T10] netdev_get_by_index+0x5e/0x80 [ 5300.712695][ T10] fib6_nh_init+0x3d8/0x1580 [ 5300.712695][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5300.712695][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5300.712695][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5300.712695][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5300.712695][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5300.712695][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5300.712695][ T10] addrconf_dad_begin+0x310/0x670 [ 5300.712695][ T10] addrconf_dad_work+0x10b/0xab0 [ 5300.712695][ T10] process_one_work+0x84d/0x18a0 [ 5300.712695][ T10] worker_thread+0x587/0xd30 [ 5300.712695][ T10] kthread+0x28a/0x350 [ 5300.712695][ T10] ret_from_fork+0x31/0x70 [ 5300.712695][ T10] ret_from_fork_asm+0x1a/0x30 [ 5300.712695][ T10] [ 5300.714634][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5300.714634][ T10] netdev_get_by_index+0x5e/0x80 [ 5300.714634][ T10] fib6_nh_init+0x3d8/0x1580 [ 5300.714634][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5300.714634][ T10] ip6_route_add+0x1c/0x140 [ 5300.714634][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5300.714634][ T10] inet6_addr_add+0x4f8/0xa40 [ 5300.714634][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5300.714634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5300.714634][ T10] netlink_rcv_skb+0x130/0x360 [ 5300.714634][ T10] netlink_unicast+0x449/0x710 [ 5300.714634][ T10] netlink_sendmsg+0x723/0xbe0 [ 5300.714634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5300.714634][ T10] ___sys_sendmsg+0xee/0x170 [ 5300.714634][ T10] __sys_sendmsg+0xcd/0x170 [ 5300.714634][ T10] do_syscall_64+0xc6/0x1e0 [ 5300.714634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5300.714634][ T10] [ 5300.716847][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5300.716847][ T10] netdev_get_by_index+0x5e/0x80 [ 5300.716847][ T10] fib6_nh_init+0x3d8/0x1580 [ 5300.716847][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5300.716847][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5300.716847][ T10] ipv6_add_addr+0x411/0x2000 [ 5300.716847][ T10] inet6_addr_add+0x30e/0xa40 [ 5300.716847][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5300.716847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5300.716847][ T10] netlink_rcv_skb+0x130/0x360 [ 5300.716847][ T10] netlink_unicast+0x449/0x710 [ 5300.716847][ T10] netlink_sendmsg+0x723/0xbe0 [ 5300.716847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5300.716847][ T10] ___sys_sendmsg+0xee/0x170 [ 5300.716847][ T10] __sys_sendmsg+0xcd/0x170 [ 5300.716847][ T10] do_syscall_64+0xc6/0x1e0 [ 5300.716847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5300.716847][ T10] [ 5300.719171][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5300.719171][ T10] netdev_get_by_index+0x5e/0x80 [ 5300.719171][ T10] fib6_nh_init+0x3d8/0x1580 [ 5300.719171][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5300.719171][ T10] ip6_route_add+0x1c/0x140 [ 5300.719171][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5300.719171][ T10] addrconf_add_dev+0xe2/0x170 [ 5300.719171][ T10] inet6_addr_add+0x12f/0xa40 [ 5300.719171][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5300.719171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5300.719171][ T10] netlink_rcv_skb+0x130/0x360 [ 5300.719171][ T10] netlink_unicast+0x449/0x710 [ 5300.719171][ T10] netlink_sendmsg+0x723/0xbe0 [ 5300.719171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5300.719171][ T10] ___sys_sendmsg+0xee/0x170 [ 5300.719171][ T10] __sys_sendmsg+0xcd/0x170 [ 5300.719171][ T10] do_syscall_64+0xc6/0x1e0 [ 5300.719171][ T10] [ 5300.721398][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5300.721398][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5300.721398][ T10] ipv6_find_idev+0x102/0x170 [ 5300.721398][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5300.721398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5300.721398][ T10] netlink_rcv_skb+0x130/0x360 [ 5300.721398][ T10] netlink_unicast+0x449/0x710 [ 5300.721398][ T10] netlink_sendmsg+0x723/0xbe0 [ 5300.721398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5300.721398][ T10] ___sys_sendmsg+0xee/0x170 [ 5300.721398][ T10] __sys_sendmsg+0xcd/0x170 [ 5300.721398][ T10] do_syscall_64+0xc6/0x1e0 [ 5300.721398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5300.721398][ T10] [ 5300.723132][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5300.723132][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5300.723132][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5300.723132][ T10] ipv6_find_idev+0x102/0x170 [ 5300.723132][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5300.723132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5300.723132][ T10] netlink_rcv_skb+0x130/0x360 [ 5300.723132][ T10] netlink_unicast+0x449/0x710 [ 5300.723132][ T10] netlink_sendmsg+0x723/0xbe0 [ 5300.723132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5300.723132][ T10] ___sys_sendmsg+0xee/0x170 [ 5300.723132][ T10] __sys_sendmsg+0xcd/0x170 [ 5300.723132][ T10] do_syscall_64+0xc6/0x1e0 [ 5300.723132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5300.723132][ T10] [ 5300.725016][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5300.725256][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5300.725256][ T10] netdev_get_by_index+0x5e/0x80 [ 5300.725256][ T10] fib6_nh_init+0x3d8/0x1580 [ 5300.725256][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5300.725256][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5300.725256][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5300.725256][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5300.725256][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5300.725256][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5300.725256][ T10] addrconf_dad_begin+0x310/0x670 [ 5300.725256][ T10] addrconf_dad_work+0x10b/0xab0 [ 5300.725256][ T10] process_one_work+0x84d/0x18a0 [ 5300.725256][ T10] worker_thread+0x587/0xd30 [ 5300.725256][ T10] kthread+0x28a/0x350 [ 5300.725256][ T10] ret_from_fork+0x31/0x70 [ 5300.725256][ T10] ret_from_fork_asm+0x1a/0x30 [ 5300.725256][ T10] [ 5300.727474][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5300.727474][ T10] netdev_get_by_index+0x5e/0x80 [ 5300.727474][ T10] fib6_nh_init+0x3d8/0x1580 [ 5300.727474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5300.727474][ T10] ip6_route_add+0x1c/0x140 [ 5300.727474][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5300.727474][ T10] inet6_addr_add+0x4f8/0xa40 [ 5300.727474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5300.727474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5300.727474][ T10] netlink_rcv_skb+0x130/0x360 [ 5300.727474][ T10] netlink_unicast+0x449/0x710 [ 5300.727474][ T10] netlink_sendmsg+0x723/0xbe0 [ 5300.727474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5300.727474][ T10] ___sys_sendmsg+0xee/0x170 [ 5300.727474][ T10] __sys_sendmsg+0xcd/0x170 [ 5300.727474][ T10] do_syscall_64+0xc6/0x1e0 [ 5300.727474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5300.727474][ T10] [ 5300.729734][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5300.729734][ T10] netdev_get_by_index+0x5e/0x80 [ 5300.729734][ T10] fib6_nh_init+0x3d8/0x1580 [ 5300.729734][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5300.729734][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5300.729734][ T10] ipv6_add_addr+0x411/0x2000 [ 5300.729734][ T10] inet6_addr_add+0x30e/0xa40 [ 5300.729734][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5300.729734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5300.729734][ T10] netlink_rcv_skb+0x130/0x360 [ 5300.729734][ T10] netlink_unicast+0x449/0x710 [ 5300.729734][ T10] netlink_sendmsg+0x723/0xbe0 [ 5300.729734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5300.729734][ T10] ___sys_sendmsg+0xee/0x170 [ 5300.729734][ T10] __sys_sendmsg+0xcd/0x170 [ 5300.729734][ T10] do_syscall_64+0xc6/0x1e0 [ 5300.729734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5300.729734][ T10] [ 5300.731918][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5300.731918][ T10] netdev_get_by_index+0x5e/0x80 [ 5300.731918][ T10] fib6_nh_init+0x3d8/0x1580 [ 5300.731918][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5300.731918][ T10] ip6_route_add+0x1c/0x140 [ 5300.731918][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5300.731918][ T10] addrconf_add_dev+0xe2/0x170 [ 5300.731918][ T10] inet6_addr_add+0x12f/0xa40 [ 5300.731918][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5300.731918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5300.731918][ T10] netlink_rcv_skb+0x130/0x360 [ 5300.731918][ T10] netlink_unicast+0x449/0x710 [ 5300.731918][ T10] netlink_sendmsg+0x723/0xbe0 [ 5300.731918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5300.731918][ T10] ___sys_sendmsg+0xee/0x170 [ 5300.731918][ T10] __sys_sendmsg+0xcd/0x170 [ 5300.731918][ T10] do_syscall_64+0xc6/0x1e0 [ 5300.731918][ T10] [ 5300.734133][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5300.734133][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5300.734133][ T10] ipv6_find_idev+0x102/0x170 [ 5300.734133][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5300.734133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5300.734133][ T10] netlink_rcv_skb+0x130/0x360 [ 5300.734133][ T10] netlink_unicast+0x449/0x710 [ 5300.734133][ T10] netlink_sendmsg+0x723/0xbe0 [ 5300.734133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5300.734133][ T10] ___sys_sendmsg+0xee/0x170 [ 5300.734133][ T10] __sys_sendmsg+0xcd/0x170 [ 5300.734133][ T10] do_syscall_64+0xc6/0x1e0 [ 5300.734133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5300.734133][ T10] [ 5300.735864][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5300.735864][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5300.735864][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5300.735864][ T10] ipv6_find_idev+0x102/0x170 [ 5300.735864][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5300.735864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5300.735864][ T10] netlink_rcv_skb+0x130/0x360 [ 5300.735864][ T10] netlink_unicast+0x449/0x710 [ 5300.735864][ T10] netlink_sendmsg+0x723/0xbe0 [ 5300.735864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5300.735864][ T10] ___sys_sendmsg+0xee/0x170 [ 5300.735864][ T10] __sys_sendmsg+0xcd/0x170 [ 5300.735864][ T10] do_syscall_64+0xc6/0x1e0 [ 5300.735864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5300.735864][ T10] [ 5302.945116][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5302.945594][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5302.945594][ T1167] dst_init+0x84/0x4a0 [ 5302.945594][ T1167] dst_alloc+0x97/0x150 [ 5302.945594][ T1167] ip6_dst_alloc+0x23/0x90 [ 5302.945594][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5302.945594][ T1167] ip6_pol_route+0x56f/0x840 [ 5302.945594][ T1167] fib6_rule_lookup+0x334/0x630 [ 5302.945594][ T1167] ip6_route_output_flags+0x259/0x480 [ 5302.945594][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5302.945594][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5302.945594][ T1167] netlink_rcv_skb+0x130/0x360 [ 5302.945594][ T1167] netlink_unicast+0x449/0x710 [ 5302.945594][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5302.945594][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5302.945594][ T1167] ___sys_sendmsg+0xee/0x170 [ 5302.945594][ T1167] __sys_sendmsg+0xcd/0x170 [ 5302.945594][ T1167] do_syscall_64+0xc6/0x1e0 [ 5302.945594][ T1167] [ 5302.947803][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5302.947803][ T1167] netdev_get_by_index+0x5e/0x80 [ 5302.947803][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5302.947803][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5302.947803][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5302.947803][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5302.947803][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5302.947803][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5302.947803][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5302.947803][ T1167] addrconf_dad_begin+0x310/0x670 [ 5302.947803][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5302.947803][ T1167] process_one_work+0x84d/0x18a0 [ 5302.947803][ T1167] worker_thread+0x587/0xd30 [ 5302.947803][ T1167] kthread+0x28a/0x350 [ 5302.947803][ T1167] ret_from_fork+0x31/0x70 [ 5302.947803][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5302.947803][ T1167] [ 5302.949943][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5302.949943][ T1167] netdev_get_by_index+0x5e/0x80 [ 5302.949943][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5302.949943][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5302.949943][ T1167] ip6_route_add+0x1c/0x140 [ 5302.949943][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5302.949943][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5302.949943][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5302.949943][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5302.949943][ T1167] netlink_rcv_skb+0x130/0x360 [ 5302.949943][ T1167] netlink_unicast+0x449/0x710 [ 5302.949943][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5302.949943][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5302.949943][ T1167] ___sys_sendmsg+0xee/0x170 [ 5302.949943][ T1167] __sys_sendmsg+0xcd/0x170 [ 5302.949943][ T1167] do_syscall_64+0xc6/0x1e0 [ 5302.949943][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5302.949943][ T1167] [ 5302.952185][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5302.952185][ T1167] netdev_get_by_index+0x5e/0x80 [ 5302.952185][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5302.952185][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5302.952185][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5302.952185][ T1167] ipv6_add_addr+0x411/0x2000 [ 5302.952185][ T1167] inet6_addr_add+0x30e/0xa40 [ 5302.952185][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5302.952185][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5302.952185][ T1167] netlink_rcv_skb+0x130/0x360 [ 5302.952185][ T1167] netlink_unicast+0x449/0x710 [ 5302.952185][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5302.952185][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5302.952185][ T1167] ___sys_sendmsg+0xee/0x170 [ 5302.952185][ T1167] __sys_sendmsg+0xcd/0x170 [ 5302.952185][ T1167] do_syscall_64+0xc6/0x1e0 [ 5302.952185][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5302.952185][ T1167] [ 5302.954459][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5302.954459][ T1167] netdev_get_by_index+0x5e/0x80 [ 5302.954459][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5302.954459][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5302.954459][ T1167] ip6_route_add+0x1c/0x140 [ 5302.954459][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5302.954459][ T1167] addrconf_add_dev+0xe2/0x170 [ 5302.954459][ T1167] inet6_addr_add+0x12f/0xa40 [ 5302.954459][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5302.954459][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5302.954459][ T1167] netlink_rcv_skb+0x130/0x360 [ 5302.954459][ T1167] netlink_unicast+0x449/0x710 [ 5302.954459][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5302.954459][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5302.954459][ T1167] ___sys_sendmsg+0xee/0x170 [ 5302.954459][ T1167] __sys_sendmsg+0xcd/0x170 [ 5302.954459][ T1167] do_syscall_64+0xc6/0x1e0 [ 5302.954459][ T1167] [ 5302.956663][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5302.956663][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5302.956663][ T1167] ipv6_find_idev+0x102/0x170 [ 5302.956663][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5302.956663][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5302.956663][ T1167] netlink_rcv_skb+0x130/0x360 [ 5302.956663][ T1167] netlink_unicast+0x449/0x710 [ 5302.956663][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5302.956663][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5302.956663][ T1167] ___sys_sendmsg+0xee/0x170 [ 5302.956663][ T1167] __sys_sendmsg+0xcd/0x170 [ 5302.956663][ T1167] do_syscall_64+0xc6/0x1e0 [ 5302.956663][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5302.956663][ T1167] [ 5302.958394][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5302.958394][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5302.958394][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5302.958394][ T1167] ipv6_find_idev+0x102/0x170 [ 5302.958394][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5302.958394][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5302.958394][ T1167] netlink_rcv_skb+0x130/0x360 [ 5302.958394][ T1167] netlink_unicast+0x449/0x710 [ 5302.958394][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5302.958394][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5302.958394][ T1167] ___sys_sendmsg+0xee/0x170 [ 5302.958394][ T1167] __sys_sendmsg+0xcd/0x170 [ 5302.958394][ T1167] do_syscall_64+0xc6/0x1e0 [ 5302.958394][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5302.958394][ T1167] [ 5310.849219][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5310.849644][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5310.849644][ T10] netdev_get_by_index+0x5e/0x80 [ 5310.849644][ T10] fib6_nh_init+0x3d8/0x1580 [ 5310.849644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5310.849644][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5310.849644][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5310.849644][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5310.849644][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5310.849644][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5310.849644][ T10] addrconf_dad_begin+0x310/0x670 [ 5310.849644][ T10] addrconf_dad_work+0x10b/0xab0 [ 5310.849644][ T10] process_one_work+0x84d/0x18a0 [ 5310.849644][ T10] worker_thread+0x587/0xd30 [ 5310.849644][ T10] kthread+0x28a/0x350 [ 5310.849644][ T10] ret_from_fork+0x31/0x70 [ 5310.849644][ T10] ret_from_fork_asm+0x1a/0x30 [ 5310.849644][ T10] [ 5310.851594][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5310.851594][ T10] netdev_get_by_index+0x5e/0x80 [ 5310.851594][ T10] fib6_nh_init+0x3d8/0x1580 [ 5310.851594][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5310.851594][ T10] ip6_route_add+0x1c/0x140 [ 5310.851594][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5310.851594][ T10] inet6_addr_add+0x4f8/0xa40 [ 5310.851594][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5310.851594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5310.851594][ T10] netlink_rcv_skb+0x130/0x360 [ 5310.851594][ T10] netlink_unicast+0x449/0x710 [ 5310.851594][ T10] netlink_sendmsg+0x723/0xbe0 [ 5310.851594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5310.851594][ T10] ___sys_sendmsg+0xee/0x170 [ 5310.851594][ T10] __sys_sendmsg+0xcd/0x170 [ 5310.851594][ T10] do_syscall_64+0xc6/0x1e0 [ 5310.851594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5310.851594][ T10] [ 5310.853643][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5310.853643][ T10] netdev_get_by_index+0x5e/0x80 [ 5310.853643][ T10] fib6_nh_init+0x3d8/0x1580 [ 5310.853643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5310.853643][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5310.853643][ T10] ipv6_add_addr+0x411/0x2000 [ 5310.853643][ T10] inet6_addr_add+0x30e/0xa40 [ 5310.853643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5310.853643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5310.853643][ T10] netlink_rcv_skb+0x130/0x360 [ 5310.853643][ T10] netlink_unicast+0x449/0x710 [ 5310.853643][ T10] netlink_sendmsg+0x723/0xbe0 [ 5310.853643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5310.853643][ T10] ___sys_sendmsg+0xee/0x170 [ 5310.853643][ T10] __sys_sendmsg+0xcd/0x170 [ 5310.853643][ T10] do_syscall_64+0xc6/0x1e0 [ 5310.853643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5310.853643][ T10] [ 5310.855673][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5310.855673][ T10] netdev_get_by_index+0x5e/0x80 [ 5310.855673][ T10] fib6_nh_init+0x3d8/0x1580 [ 5310.855673][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5310.855673][ T10] ip6_route_add+0x1c/0x140 [ 5310.855673][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5310.855673][ T10] addrconf_add_dev+0xe2/0x170 [ 5310.855673][ T10] inet6_addr_add+0x12f/0xa40 [ 5310.855673][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5310.855673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5310.855673][ T10] netlink_rcv_skb+0x130/0x360 [ 5310.855673][ T10] netlink_unicast+0x449/0x710 [ 5310.855673][ T10] netlink_sendmsg+0x723/0xbe0 [ 5310.855673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5310.855673][ T10] ___sys_sendmsg+0xee/0x170 [ 5310.855673][ T10] __sys_sendmsg+0xcd/0x170 [ 5310.855673][ T10] do_syscall_64+0xc6/0x1e0 [ 5310.855673][ T10] [ 5310.857653][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5310.857653][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5310.857653][ T10] ipv6_find_idev+0x102/0x170 [ 5310.857653][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5310.857653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5310.857653][ T10] netlink_rcv_skb+0x130/0x360 [ 5310.857653][ T10] netlink_unicast+0x449/0x710 [ 5310.857653][ T10] netlink_sendmsg+0x723/0xbe0 [ 5310.857653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5310.857653][ T10] ___sys_sendmsg+0xee/0x170 [ 5310.857653][ T10] __sys_sendmsg+0xcd/0x170 [ 5310.857653][ T10] do_syscall_64+0xc6/0x1e0 [ 5310.857653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5310.857653][ T10] [ 5310.859234][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5310.859234][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5310.859234][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5310.859234][ T10] ipv6_find_idev+0x102/0x170 [ 5310.859234][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5310.859234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5310.859234][ T10] netlink_rcv_skb+0x130/0x360 [ 5310.859234][ T10] netlink_unicast+0x449/0x710 [ 5310.859234][ T10] netlink_sendmsg+0x723/0xbe0 [ 5310.859234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5310.859234][ T10] ___sys_sendmsg+0xee/0x170 [ 5310.859234][ T10] __sys_sendmsg+0xcd/0x170 [ 5310.859234][ T10] do_syscall_64+0xc6/0x1e0 [ 5310.859234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5310.859234][ T10] [ 5310.860946][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5310.861229][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5310.861229][ T10] netdev_get_by_index+0x5e/0x80 [ 5310.861229][ T10] fib6_nh_init+0x3d8/0x1580 [ 5310.861229][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5310.861229][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5310.861229][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5310.861229][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5310.861229][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5310.861229][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5310.861229][ T10] addrconf_dad_begin+0x310/0x670 [ 5310.861229][ T10] addrconf_dad_work+0x10b/0xab0 [ 5310.861229][ T10] process_one_work+0x84d/0x18a0 [ 5310.861229][ T10] worker_thread+0x587/0xd30 [ 5310.861229][ T10] kthread+0x28a/0x350 [ 5310.861229][ T10] ret_from_fork+0x31/0x70 [ 5310.861229][ T10] ret_from_fork_asm+0x1a/0x30 [ 5310.861229][ T10] [ 5310.863173][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5310.863173][ T10] netdev_get_by_index+0x5e/0x80 [ 5310.863173][ T10] fib6_nh_init+0x3d8/0x1580 [ 5310.863173][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5310.863173][ T10] ip6_route_add+0x1c/0x140 [ 5310.863173][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5310.863173][ T10] inet6_addr_add+0x4f8/0xa40 [ 5310.863173][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5310.863173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5310.863173][ T10] netlink_rcv_skb+0x130/0x360 [ 5310.863173][ T10] netlink_unicast+0x449/0x710 [ 5310.863173][ T10] netlink_sendmsg+0x723/0xbe0 [ 5310.863173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5310.863173][ T10] ___sys_sendmsg+0xee/0x170 [ 5310.863173][ T10] __sys_sendmsg+0xcd/0x170 [ 5310.863173][ T10] do_syscall_64+0xc6/0x1e0 [ 5310.863173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5310.863173][ T10] [ 5310.865193][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5310.865193][ T10] netdev_get_by_index+0x5e/0x80 [ 5310.865193][ T10] fib6_nh_init+0x3d8/0x1580 [ 5310.865193][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5310.865193][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5310.865193][ T10] ipv6_add_addr+0x411/0x2000 [ 5310.865193][ T10] inet6_addr_add+0x30e/0xa40 [ 5310.865193][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5310.865193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5310.865193][ T10] netlink_rcv_skb+0x130/0x360 [ 5310.865193][ T10] netlink_unicast+0x449/0x710 [ 5310.865193][ T10] netlink_sendmsg+0x723/0xbe0 [ 5310.865193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5310.865193][ T10] ___sys_sendmsg+0xee/0x170 [ 5310.865193][ T10] __sys_sendmsg+0xcd/0x170 [ 5310.865193][ T10] do_syscall_64+0xc6/0x1e0 [ 5310.865193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5310.865193][ T10] [ 5310.867213][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5310.867213][ T10] netdev_get_by_index+0x5e/0x80 [ 5310.867213][ T10] fib6_nh_init+0x3d8/0x1580 [ 5310.867213][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5310.867213][ T10] ip6_route_add+0x1c/0x140 [ 5310.867213][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5310.867213][ T10] addrconf_add_dev+0xe2/0x170 [ 5310.867213][ T10] inet6_addr_add+0x12f/0xa40 [ 5310.867213][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5310.867213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5310.867213][ T10] netlink_rcv_skb+0x130/0x360 [ 5310.867213][ T10] netlink_unicast+0x449/0x710 [ 5310.867213][ T10] netlink_sendmsg+0x723/0xbe0 [ 5310.867213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5310.867213][ T10] ___sys_sendmsg+0xee/0x170 [ 5310.867213][ T10] __sys_sendmsg+0xcd/0x170 [ 5310.867213][ T10] do_syscall_64+0xc6/0x1e0 [ 5310.867213][ T10] [ 5310.869208][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5310.869208][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5310.869208][ T10] ipv6_find_idev+0x102/0x170 [ 5310.869208][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5310.869208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5310.869208][ T10] netlink_rcv_skb+0x130/0x360 [ 5310.869208][ T10] netlink_unicast+0x449/0x710 [ 5310.869208][ T10] netlink_sendmsg+0x723/0xbe0 [ 5310.869208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5310.869208][ T10] ___sys_sendmsg+0xee/0x170 [ 5310.869208][ T10] __sys_sendmsg+0xcd/0x170 [ 5310.869208][ T10] do_syscall_64+0xc6/0x1e0 [ 5310.869208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5310.869208][ T10] [ 5310.870768][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5310.870768][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5310.870768][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5310.870768][ T10] ipv6_find_idev+0x102/0x170 [ 5310.870768][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5310.870768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5310.870768][ T10] netlink_rcv_skb+0x130/0x360 [ 5310.870768][ T10] netlink_unicast+0x449/0x710 [ 5310.870768][ T10] netlink_sendmsg+0x723/0xbe0 [ 5310.870768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5310.870768][ T10] ___sys_sendmsg+0xee/0x170 [ 5310.870768][ T10] __sys_sendmsg+0xcd/0x170 [ 5310.870768][ T10] do_syscall_64+0xc6/0x1e0 [ 5310.870768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5310.870768][ T10] [ 5310.872479][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5310.872722][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5310.872722][ T10] netdev_get_by_index+0x5e/0x80 [ 5310.872722][ T10] fib6_nh_init+0x3d8/0x1580 [ 5310.872722][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5310.872722][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5310.872722][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5310.872722][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5310.872722][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5310.872722][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5310.872722][ T10] addrconf_dad_begin+0x310/0x670 [ 5310.872722][ T10] addrconf_dad_work+0x10b/0xab0 [ 5310.872722][ T10] process_one_work+0x84d/0x18a0 [ 5310.872722][ T10] worker_thread+0x587/0xd30 [ 5310.872722][ T10] kthread+0x28a/0x350 [ 5310.872722][ T10] ret_from_fork+0x31/0x70 [ 5310.872722][ T10] ret_from_fork_asm+0x1a/0x30 [ 5310.872722][ T10] [ 5310.874662][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5310.874662][ T10] netdev_get_by_index+0x5e/0x80 [ 5310.874662][ T10] fib6_nh_init+0x3d8/0x1580 [ 5310.874662][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5310.874662][ T10] ip6_route_add+0x1c/0x140 [ 5310.874662][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5310.874662][ T10] inet6_addr_add+0x4f8/0xa40 [ 5310.874662][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5310.874662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5310.874662][ T10] netlink_rcv_skb+0x130/0x360 [ 5310.874662][ T10] netlink_unicast+0x449/0x710 [ 5310.874662][ T10] netlink_sendmsg+0x723/0xbe0 [ 5310.874662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5310.874662][ T10] ___sys_sendmsg+0xee/0x170 [ 5310.874662][ T10] __sys_sendmsg+0xcd/0x170 [ 5310.874662][ T10] do_syscall_64+0xc6/0x1e0 [ 5310.874662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5310.874662][ T10] [ 5310.876862][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5310.876862][ T10] netdev_get_by_index+0x5e/0x80 [ 5310.876862][ T10] fib6_nh_init+0x3d8/0x1580 [ 5310.876862][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5310.876862][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5310.876862][ T10] ipv6_add_addr+0x411/0x2000 [ 5310.876862][ T10] inet6_addr_add+0x30e/0xa40 [ 5310.876862][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5310.876862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5310.876862][ T10] netlink_rcv_skb+0x130/0x360 [ 5310.876862][ T10] netlink_unicast+0x449/0x710 [ 5310.876862][ T10] netlink_sendmsg+0x723/0xbe0 [ 5310.876862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5310.876862][ T10] ___sys_sendmsg+0xee/0x170 [ 5310.876862][ T10] __sys_sendmsg+0xcd/0x170 [ 5310.876862][ T10] do_syscall_64+0xc6/0x1e0 [ 5310.876862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5310.876862][ T10] [ 5310.879155][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5310.879155][ T10] netdev_get_by_index+0x5e/0x80 [ 5310.879155][ T10] fib6_nh_init+0x3d8/0x1580 [ 5310.879155][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5310.879155][ T10] ip6_route_add+0x1c/0x140 [ 5310.879155][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5310.879155][ T10] addrconf_add_dev+0xe2/0x170 [ 5310.879155][ T10] inet6_addr_add+0x12f/0xa40 [ 5310.879155][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5310.879155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5310.879155][ T10] netlink_rcv_skb+0x130/0x360 [ 5310.879155][ T10] netlink_unicast+0x449/0x710 [ 5310.879155][ T10] netlink_sendmsg+0x723/0xbe0 [ 5310.879155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5310.879155][ T10] ___sys_sendmsg+0xee/0x170 [ 5310.879155][ T10] __sys_sendmsg+0xcd/0x170 [ 5310.879155][ T10] do_syscall_64+0xc6/0x1e0 [ 5310.879155][ T10] [ 5310.881377][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5310.881377][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5310.881377][ T10] ipv6_find_idev+0x102/0x170 [ 5310.881377][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5310.881377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5310.881377][ T10] netlink_rcv_skb+0x130/0x360 [ 5310.881377][ T10] netlink_unicast+0x449/0x710 [ 5310.881377][ T10] netlink_sendmsg+0x723/0xbe0 [ 5310.881377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5310.881377][ T10] ___sys_sendmsg+0xee/0x170 [ 5310.881377][ T10] __sys_sendmsg+0xcd/0x170 [ 5310.881377][ T10] do_syscall_64+0xc6/0x1e0 [ 5310.881377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5310.881377][ T10] [ 5310.883158][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5310.883158][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5310.883158][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5310.883158][ T10] ipv6_find_idev+0x102/0x170 [ 5310.883158][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5310.883158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5310.883158][ T10] netlink_rcv_skb+0x130/0x360 [ 5310.883158][ T10] netlink_unicast+0x449/0x710 [ 5310.883158][ T10] netlink_sendmsg+0x723/0xbe0 [ 5310.883158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5310.883158][ T10] ___sys_sendmsg+0xee/0x170 [ 5310.883158][ T10] __sys_sendmsg+0xcd/0x170 [ 5310.883158][ T10] do_syscall_64+0xc6/0x1e0 [ 5310.883158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5310.883158][ T10] [ 5310.885143][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5310.885386][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5310.885386][ T10] netdev_get_by_index+0x5e/0x80 [ 5310.885386][ T10] fib6_nh_init+0x3d8/0x1580 [ 5310.885386][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5310.885386][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5310.885386][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5310.885386][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5310.885386][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5310.885386][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5310.885386][ T10] addrconf_dad_begin+0x310/0x670 [ 5310.885386][ T10] addrconf_dad_work+0x10b/0xab0 [ 5310.885386][ T10] process_one_work+0x84d/0x18a0 [ 5310.885386][ T10] worker_thread+0x587/0xd30 [ 5310.885386][ T10] kthread+0x28a/0x350 [ 5310.885386][ T10] ret_from_fork+0x31/0x70 [ 5310.885386][ T10] ret_from_fork_asm+0x1a/0x30 [ 5310.885386][ T10] [ 5310.887543][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5310.887543][ T10] netdev_get_by_index+0x5e/0x80 [ 5310.887543][ T10] fib6_nh_init+0x3d8/0x1580 [ 5310.887543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5310.887543][ T10] ip6_route_add+0x1c/0x140 [ 5310.887543][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5310.887543][ T10] inet6_addr_add+0x4f8/0xa40 [ 5310.887543][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5310.887543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5310.887543][ T10] netlink_rcv_skb+0x130/0x360 [ 5310.887543][ T10] netlink_unicast+0x449/0x710 [ 5310.887543][ T10] netlink_sendmsg+0x723/0xbe0 [ 5310.887543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5310.887543][ T10] ___sys_sendmsg+0xee/0x170 [ 5310.887543][ T10] __sys_sendmsg+0xcd/0x170 [ 5310.887543][ T10] do_syscall_64+0xc6/0x1e0 [ 5310.887543][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5310.887543][ T10] [ 5310.889790][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5310.889790][ T10] netdev_get_by_index+0x5e/0x80 [ 5310.889790][ T10] fib6_nh_init+0x3d8/0x1580 [ 5310.889790][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5310.889790][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5310.889790][ T10] ipv6_add_addr+0x411/0x2000 [ 5310.889790][ T10] inet6_addr_add+0x30e/0xa40 [ 5310.889790][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5310.889790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5310.889790][ T10] netlink_rcv_skb+0x130/0x360 [ 5310.889790][ T10] netlink_unicast+0x449/0x710 [ 5310.889790][ T10] netlink_sendmsg+0x723/0xbe0 [ 5310.889790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5310.889790][ T10] ___sys_sendmsg+0xee/0x170 [ 5310.889790][ T10] __sys_sendmsg+0xcd/0x170 [ 5310.889790][ T10] do_syscall_64+0xc6/0x1e0 [ 5310.889790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5310.889790][ T10] [ 5310.891974][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5310.891974][ T10] netdev_get_by_index+0x5e/0x80 [ 5310.891974][ T10] fib6_nh_init+0x3d8/0x1580 [ 5310.891974][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5310.891974][ T10] ip6_route_add+0x1c/0x140 [ 5310.891974][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5310.891974][ T10] addrconf_add_dev+0xe2/0x170 [ 5310.891974][ T10] inet6_addr_add+0x12f/0xa40 [ 5310.891974][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5310.891974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5310.891974][ T10] netlink_rcv_skb+0x130/0x360 [ 5310.891974][ T10] netlink_unicast+0x449/0x710 [ 5310.891974][ T10] netlink_sendmsg+0x723/0xbe0 [ 5310.891974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5310.891974][ T10] ___sys_sendmsg+0xee/0x170 [ 5310.891974][ T10] __sys_sendmsg+0xcd/0x170 [ 5310.891974][ T10] do_syscall_64+0xc6/0x1e0 [ 5310.891974][ T10] [ 5310.894254][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5310.894254][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5310.894254][ T10] ipv6_find_idev+0x102/0x170 [ 5310.894254][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5310.894254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5310.894254][ T10] netlink_rcv_skb+0x130/0x360 [ 5310.894254][ T10] netlink_unicast+0x449/0x710 [ 5310.894254][ T10] netlink_sendmsg+0x723/0xbe0 [ 5310.894254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5310.894254][ T10] ___sys_sendmsg+0xee/0x170 [ 5310.894254][ T10] __sys_sendmsg+0xcd/0x170 [ 5310.894254][ T10] do_syscall_64+0xc6/0x1e0 [ 5310.894254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5310.894254][ T10] [ 5310.895980][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5310.895980][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5310.895980][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5310.895980][ T10] ipv6_find_idev+0x102/0x170 [ 5310.895980][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5310.895980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5310.895980][ T10] netlink_rcv_skb+0x130/0x360 [ 5310.895980][ T10] netlink_unicast+0x449/0x710 [ 5310.895980][ T10] netlink_sendmsg+0x723/0xbe0 [ 5310.895980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5310.895980][ T10] ___sys_sendmsg+0xee/0x170 [ 5310.895980][ T10] __sys_sendmsg+0xcd/0x170 [ 5310.895980][ T10] do_syscall_64+0xc6/0x1e0 [ 5310.895980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5310.895980][ T10] [ 5313.153119][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5313.153627][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5313.153627][ T1167] dst_init+0x84/0x4a0 [ 5313.153627][ T1167] dst_alloc+0x97/0x150 [ 5313.153627][ T1167] ip6_dst_alloc+0x23/0x90 [ 5313.153627][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5313.153627][ T1167] ip6_pol_route+0x56f/0x840 [ 5313.153627][ T1167] fib6_rule_lookup+0x334/0x630 [ 5313.153627][ T1167] ip6_route_output_flags+0x259/0x480 [ 5313.153627][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5313.153627][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5313.153627][ T1167] netlink_rcv_skb+0x130/0x360 [ 5313.153627][ T1167] netlink_unicast+0x449/0x710 [ 5313.153627][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5313.153627][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5313.153627][ T1167] ___sys_sendmsg+0xee/0x170 [ 5313.153627][ T1167] __sys_sendmsg+0xcd/0x170 [ 5313.153627][ T1167] do_syscall_64+0xc6/0x1e0 [ 5313.153627][ T1167] [ 5313.155846][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5313.155846][ T1167] netdev_get_by_index+0x5e/0x80 [ 5313.155846][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5313.155846][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5313.155846][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5313.155846][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5313.155846][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5313.155846][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5313.155846][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5313.155846][ T1167] addrconf_dad_begin+0x310/0x670 [ 5313.155846][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5313.155846][ T1167] process_one_work+0x84d/0x18a0 [ 5313.155846][ T1167] worker_thread+0x587/0xd30 [ 5313.155846][ T1167] kthread+0x28a/0x350 [ 5313.155846][ T1167] ret_from_fork+0x31/0x70 [ 5313.155846][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5313.155846][ T1167] [ 5313.158018][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5313.158018][ T1167] netdev_get_by_index+0x5e/0x80 [ 5313.158018][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5313.158018][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5313.158018][ T1167] ip6_route_add+0x1c/0x140 [ 5313.158018][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5313.158018][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5313.158018][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5313.158018][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5313.158018][ T1167] netlink_rcv_skb+0x130/0x360 [ 5313.158018][ T1167] netlink_unicast+0x449/0x710 [ 5313.158018][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5313.158018][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5313.158018][ T1167] ___sys_sendmsg+0xee/0x170 [ 5313.158018][ T1167] __sys_sendmsg+0xcd/0x170 [ 5313.158018][ T1167] do_syscall_64+0xc6/0x1e0 [ 5313.158018][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5313.158018][ T1167] [ 5313.160274][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5313.160274][ T1167] netdev_get_by_index+0x5e/0x80 [ 5313.160274][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5313.160274][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5313.160274][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5313.160274][ T1167] ipv6_add_addr+0x411/0x2000 [ 5313.160274][ T1167] inet6_addr_add+0x30e/0xa40 [ 5313.160274][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5313.160274][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5313.160274][ T1167] netlink_rcv_skb+0x130/0x360 [ 5313.160274][ T1167] netlink_unicast+0x449/0x710 [ 5313.160274][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5313.160274][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5313.160274][ T1167] ___sys_sendmsg+0xee/0x170 [ 5313.160274][ T1167] __sys_sendmsg+0xcd/0x170 [ 5313.160274][ T1167] do_syscall_64+0xc6/0x1e0 [ 5313.160274][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5313.160274][ T1167] [ 5313.162541][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5313.162541][ T1167] netdev_get_by_index+0x5e/0x80 [ 5313.162541][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5313.162541][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5313.162541][ T1167] ip6_route_add+0x1c/0x140 [ 5313.162541][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5313.162541][ T1167] addrconf_add_dev+0xe2/0x170 [ 5313.162541][ T1167] inet6_addr_add+0x12f/0xa40 [ 5313.162541][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5313.162541][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5313.162541][ T1167] netlink_rcv_skb+0x130/0x360 [ 5313.162541][ T1167] netlink_unicast+0x449/0x710 [ 5313.162541][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5313.162541][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5313.162541][ T1167] ___sys_sendmsg+0xee/0x170 [ 5313.162541][ T1167] __sys_sendmsg+0xcd/0x170 [ 5313.162541][ T1167] do_syscall_64+0xc6/0x1e0 [ 5313.162541][ T1167] [ 5313.164767][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5313.164767][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5313.164767][ T1167] ipv6_find_idev+0x102/0x170 [ 5313.164767][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5313.164767][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5313.164767][ T1167] netlink_rcv_skb+0x130/0x360 [ 5313.164767][ T1167] netlink_unicast+0x449/0x710 [ 5313.164767][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5313.164767][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5313.164767][ T1167] ___sys_sendmsg+0xee/0x170 [ 5313.164767][ T1167] __sys_sendmsg+0xcd/0x170 [ 5313.164767][ T1167] do_syscall_64+0xc6/0x1e0 [ 5313.164767][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5313.164767][ T1167] [ 5313.166510][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5313.166510][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5313.166510][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5313.166510][ T1167] ipv6_find_idev+0x102/0x170 [ 5313.166510][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5313.166510][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5313.166510][ T1167] netlink_rcv_skb+0x130/0x360 [ 5313.166510][ T1167] netlink_unicast+0x449/0x710 [ 5313.166510][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5313.166510][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5313.166510][ T1167] ___sys_sendmsg+0xee/0x170 [ 5313.166510][ T1167] __sys_sendmsg+0xcd/0x170 [ 5313.166510][ T1167] do_syscall_64+0xc6/0x1e0 [ 5313.166510][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5313.166510][ T1167] [ 5321.113122][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5321.113576][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5321.113576][ T10] netdev_get_by_index+0x5e/0x80 [ 5321.113576][ T10] fib6_nh_init+0x3d8/0x1580 [ 5321.113576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5321.113576][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5321.113576][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5321.113576][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5321.113576][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5321.113576][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5321.113576][ T10] addrconf_dad_begin+0x310/0x670 [ 5321.113576][ T10] addrconf_dad_work+0x10b/0xab0 [ 5321.113576][ T10] process_one_work+0x84d/0x18a0 [ 5321.113576][ T10] worker_thread+0x587/0xd30 [ 5321.113576][ T10] kthread+0x28a/0x350 [ 5321.113576][ T10] ret_from_fork+0x31/0x70 [ 5321.113576][ T10] ret_from_fork_asm+0x1a/0x30 [ 5321.113576][ T10] [ 5321.115763][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5321.115763][ T10] netdev_get_by_index+0x5e/0x80 [ 5321.115763][ T10] fib6_nh_init+0x3d8/0x1580 [ 5321.115763][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5321.115763][ T10] ip6_route_add+0x1c/0x140 [ 5321.115763][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5321.115763][ T10] inet6_addr_add+0x4f8/0xa40 [ 5321.115763][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5321.115763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5321.115763][ T10] netlink_rcv_skb+0x130/0x360 [ 5321.115763][ T10] netlink_unicast+0x449/0x710 [ 5321.115763][ T10] netlink_sendmsg+0x723/0xbe0 [ 5321.115763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5321.115763][ T10] ___sys_sendmsg+0xee/0x170 [ 5321.115763][ T10] __sys_sendmsg+0xcd/0x170 [ 5321.115763][ T10] do_syscall_64+0xc6/0x1e0 [ 5321.115763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5321.115763][ T10] [ 5321.118015][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5321.118015][ T10] netdev_get_by_index+0x5e/0x80 [ 5321.118015][ T10] fib6_nh_init+0x3d8/0x1580 [ 5321.118015][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5321.118015][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5321.118015][ T10] ipv6_add_addr+0x411/0x2000 [ 5321.118015][ T10] inet6_addr_add+0x30e/0xa40 [ 5321.118015][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5321.118015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5321.118015][ T10] netlink_rcv_skb+0x130/0x360 [ 5321.118015][ T10] netlink_unicast+0x449/0x710 [ 5321.118015][ T10] netlink_sendmsg+0x723/0xbe0 [ 5321.118015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5321.118015][ T10] ___sys_sendmsg+0xee/0x170 [ 5321.118015][ T10] __sys_sendmsg+0xcd/0x170 [ 5321.118015][ T10] do_syscall_64+0xc6/0x1e0 [ 5321.118015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5321.118015][ T10] [ 5321.120253][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5321.120253][ T10] netdev_get_by_index+0x5e/0x80 [ 5321.120253][ T10] fib6_nh_init+0x3d8/0x1580 [ 5321.120253][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5321.120253][ T10] ip6_route_add+0x1c/0x140 [ 5321.120253][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5321.120253][ T10] addrconf_add_dev+0xe2/0x170 [ 5321.120253][ T10] inet6_addr_add+0x12f/0xa40 [ 5321.120253][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5321.120253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5321.120253][ T10] netlink_rcv_skb+0x130/0x360 [ 5321.120253][ T10] netlink_unicast+0x449/0x710 [ 5321.120253][ T10] netlink_sendmsg+0x723/0xbe0 [ 5321.120253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5321.120253][ T10] ___sys_sendmsg+0xee/0x170 [ 5321.120253][ T10] __sys_sendmsg+0xcd/0x170 [ 5321.120253][ T10] do_syscall_64+0xc6/0x1e0 [ 5321.120253][ T10] [ 5321.122454][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5321.122454][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5321.122454][ T10] ipv6_find_idev+0x102/0x170 [ 5321.122454][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5321.122454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5321.122454][ T10] netlink_rcv_skb+0x130/0x360 [ 5321.122454][ T10] netlink_unicast+0x449/0x710 [ 5321.122454][ T10] netlink_sendmsg+0x723/0xbe0 [ 5321.122454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5321.122454][ T10] ___sys_sendmsg+0xee/0x170 [ 5321.122454][ T10] __sys_sendmsg+0xcd/0x170 [ 5321.122454][ T10] do_syscall_64+0xc6/0x1e0 [ 5321.122454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5321.122454][ T10] [ 5321.124200][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5321.124200][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5321.124200][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5321.124200][ T10] ipv6_find_idev+0x102/0x170 [ 5321.124200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5321.124200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5321.124200][ T10] netlink_rcv_skb+0x130/0x360 [ 5321.124200][ T10] netlink_unicast+0x449/0x710 [ 5321.124200][ T10] netlink_sendmsg+0x723/0xbe0 [ 5321.124200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5321.124200][ T10] ___sys_sendmsg+0xee/0x170 [ 5321.124200][ T10] __sys_sendmsg+0xcd/0x170 [ 5321.124200][ T10] do_syscall_64+0xc6/0x1e0 [ 5321.124200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5321.124200][ T10] [ 5321.126072][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5321.126413][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5321.126413][ T10] netdev_get_by_index+0x5e/0x80 [ 5321.126413][ T10] fib6_nh_init+0x3d8/0x1580 [ 5321.126413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5321.126413][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5321.126413][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5321.126413][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5321.126413][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5321.126413][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5321.126413][ T10] addrconf_dad_begin+0x310/0x670 [ 5321.126413][ T10] addrconf_dad_work+0x10b/0xab0 [ 5321.126413][ T10] process_one_work+0x84d/0x18a0 [ 5321.126413][ T10] worker_thread+0x587/0xd30 [ 5321.126413][ T10] kthread+0x28a/0x350 [ 5321.126413][ T10] ret_from_fork+0x31/0x70 [ 5321.126413][ T10] ret_from_fork_asm+0x1a/0x30 [ 5321.126413][ T10] [ 5321.128566][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5321.128566][ T10] netdev_get_by_index+0x5e/0x80 [ 5321.128566][ T10] fib6_nh_init+0x3d8/0x1580 [ 5321.128566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5321.128566][ T10] ip6_route_add+0x1c/0x140 [ 5321.128566][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5321.128566][ T10] inet6_addr_add+0x4f8/0xa40 [ 5321.128566][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5321.128566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5321.128566][ T10] netlink_rcv_skb+0x130/0x360 [ 5321.128566][ T10] netlink_unicast+0x449/0x710 [ 5321.128566][ T10] netlink_sendmsg+0x723/0xbe0 [ 5321.128566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5321.128566][ T10] ___sys_sendmsg+0xee/0x170 [ 5321.128566][ T10] __sys_sendmsg+0xcd/0x170 [ 5321.128566][ T10] do_syscall_64+0xc6/0x1e0 [ 5321.128566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5321.128566][ T10] [ 5321.130820][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5321.130820][ T10] netdev_get_by_index+0x5e/0x80 [ 5321.130820][ T10] fib6_nh_init+0x3d8/0x1580 [ 5321.130820][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5321.130820][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5321.130820][ T10] ipv6_add_addr+0x411/0x2000 [ 5321.130820][ T10] inet6_addr_add+0x30e/0xa40 [ 5321.130820][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5321.130820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5321.130820][ T10] netlink_rcv_skb+0x130/0x360 [ 5321.130820][ T10] netlink_unicast+0x449/0x710 [ 5321.130820][ T10] netlink_sendmsg+0x723/0xbe0 [ 5321.130820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5321.130820][ T10] ___sys_sendmsg+0xee/0x170 [ 5321.130820][ T10] __sys_sendmsg+0xcd/0x170 [ 5321.130820][ T10] do_syscall_64+0xc6/0x1e0 [ 5321.130820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5321.130820][ T10] [ 5321.133069][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5321.133069][ T10] netdev_get_by_index+0x5e/0x80 [ 5321.133069][ T10] fib6_nh_init+0x3d8/0x1580 [ 5321.133069][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5321.133069][ T10] ip6_route_add+0x1c/0x140 [ 5321.133069][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5321.133069][ T10] addrconf_add_dev+0xe2/0x170 [ 5321.133069][ T10] inet6_addr_add+0x12f/0xa40 [ 5321.133069][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5321.133069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5321.133069][ T10] netlink_rcv_skb+0x130/0x360 [ 5321.133069][ T10] netlink_unicast+0x449/0x710 [ 5321.133069][ T10] netlink_sendmsg+0x723/0xbe0 [ 5321.133069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5321.133069][ T10] ___sys_sendmsg+0xee/0x170 [ 5321.133069][ T10] __sys_sendmsg+0xcd/0x170 [ 5321.133069][ T10] do_syscall_64+0xc6/0x1e0 [ 5321.133069][ T10] [ 5321.135284][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5321.135284][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5321.135284][ T10] ipv6_find_idev+0x102/0x170 [ 5321.135284][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5321.135284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5321.135284][ T10] netlink_rcv_skb+0x130/0x360 [ 5321.135284][ T10] netlink_unicast+0x449/0x710 [ 5321.135284][ T10] netlink_sendmsg+0x723/0xbe0 [ 5321.135284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5321.135284][ T10] ___sys_sendmsg+0xee/0x170 [ 5321.135284][ T10] __sys_sendmsg+0xcd/0x170 [ 5321.135284][ T10] do_syscall_64+0xc6/0x1e0 [ 5321.135284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5321.135284][ T10] [ 5321.137018][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5321.137018][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5321.137018][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5321.137018][ T10] ipv6_find_idev+0x102/0x170 [ 5321.137018][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5321.137018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5321.137018][ T10] netlink_rcv_skb+0x130/0x360 [ 5321.137018][ T10] netlink_unicast+0x449/0x710 [ 5321.137018][ T10] netlink_sendmsg+0x723/0xbe0 [ 5321.137018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5321.137018][ T10] ___sys_sendmsg+0xee/0x170 [ 5321.137018][ T10] __sys_sendmsg+0xcd/0x170 [ 5321.137018][ T10] do_syscall_64+0xc6/0x1e0 [ 5321.137018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5321.137018][ T10] [ 5321.138916][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5321.139199][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5321.139199][ T10] netdev_get_by_index+0x5e/0x80 [ 5321.139199][ T10] fib6_nh_init+0x3d8/0x1580 [ 5321.139199][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5321.139199][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5321.139199][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5321.139199][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5321.139199][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5321.139199][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5321.139199][ T10] addrconf_dad_begin+0x310/0x670 [ 5321.139199][ T10] addrconf_dad_work+0x10b/0xab0 [ 5321.139199][ T10] process_one_work+0x84d/0x18a0 [ 5321.139199][ T10] worker_thread+0x587/0xd30 [ 5321.139199][ T10] kthread+0x28a/0x350 [ 5321.139199][ T10] ret_from_fork+0x31/0x70 [ 5321.139199][ T10] ret_from_fork_asm+0x1a/0x30 [ 5321.139199][ T10] [ 5321.141346][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5321.141346][ T10] netdev_get_by_index+0x5e/0x80 [ 5321.141346][ T10] fib6_nh_init+0x3d8/0x1580 [ 5321.141346][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5321.141346][ T10] ip6_route_add+0x1c/0x140 [ 5321.141346][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5321.141346][ T10] inet6_addr_add+0x4f8/0xa40 [ 5321.141346][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5321.141346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5321.141346][ T10] netlink_rcv_skb+0x130/0x360 [ 5321.141346][ T10] netlink_unicast+0x449/0x710 [ 5321.141346][ T10] netlink_sendmsg+0x723/0xbe0 [ 5321.141346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5321.141346][ T10] ___sys_sendmsg+0xee/0x170 [ 5321.141346][ T10] __sys_sendmsg+0xcd/0x170 [ 5321.141346][ T10] do_syscall_64+0xc6/0x1e0 [ 5321.141346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5321.141346][ T10] [ 5321.143804][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5321.143804][ T10] netdev_get_by_index+0x5e/0x80 [ 5321.143804][ T10] fib6_nh_init+0x3d8/0x1580 [ 5321.143804][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5321.143804][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5321.143804][ T10] ipv6_add_addr+0x411/0x2000 [ 5321.143804][ T10] inet6_addr_add+0x30e/0xa40 [ 5321.143804][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5321.143804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5321.143804][ T10] netlink_rcv_skb+0x130/0x360 [ 5321.143804][ T10] netlink_unicast+0x449/0x710 [ 5321.143804][ T10] netlink_sendmsg+0x723/0xbe0 [ 5321.143804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5321.143804][ T10] ___sys_sendmsg+0xee/0x170 [ 5321.143804][ T10] __sys_sendmsg+0xcd/0x170 [ 5321.143804][ T10] do_syscall_64+0xc6/0x1e0 [ 5321.143804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5321.143804][ T10] [ 5321.146276][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5321.146276][ T10] netdev_get_by_index+0x5e/0x80 [ 5321.146276][ T10] fib6_nh_init+0x3d8/0x1580 [ 5321.146276][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5321.146276][ T10] ip6_route_add+0x1c/0x140 [ 5321.146276][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5321.146276][ T10] addrconf_add_dev+0xe2/0x170 [ 5321.146276][ T10] inet6_addr_add+0x12f/0xa40 [ 5321.146276][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5321.146276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5321.146276][ T10] netlink_rcv_skb+0x130/0x360 [ 5321.146276][ T10] netlink_unicast+0x449/0x710 [ 5321.146276][ T10] netlink_sendmsg+0x723/0xbe0 [ 5321.146276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5321.146276][ T10] ___sys_sendmsg+0xee/0x170 [ 5321.146276][ T10] __sys_sendmsg+0xcd/0x170 [ 5321.146276][ T10] do_syscall_64+0xc6/0x1e0 [ 5321.146276][ T10] [ 5321.148673][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5321.148673][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5321.148673][ T10] ipv6_find_idev+0x102/0x170 [ 5321.148673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5321.148673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5321.148673][ T10] netlink_rcv_skb+0x130/0x360 [ 5321.148673][ T10] netlink_unicast+0x449/0x710 [ 5321.148673][ T10] netlink_sendmsg+0x723/0xbe0 [ 5321.148673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5321.148673][ T10] ___sys_sendmsg+0xee/0x170 [ 5321.148673][ T10] __sys_sendmsg+0xcd/0x170 [ 5321.148673][ T10] do_syscall_64+0xc6/0x1e0 [ 5321.148673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5321.148673][ T10] [ 5321.150652][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5321.150652][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5321.150652][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5321.150652][ T10] ipv6_find_idev+0x102/0x170 [ 5321.150652][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5321.150652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5321.150652][ T10] netlink_rcv_skb+0x130/0x360 [ 5321.150652][ T10] netlink_unicast+0x449/0x710 [ 5321.150652][ T10] netlink_sendmsg+0x723/0xbe0 [ 5321.150652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5321.150652][ T10] ___sys_sendmsg+0xee/0x170 [ 5321.150652][ T10] __sys_sendmsg+0xcd/0x170 [ 5321.150652][ T10] do_syscall_64+0xc6/0x1e0 [ 5321.150652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5321.150652][ T10] [ 5321.152783][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5321.153045][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5321.153045][ T10] netdev_get_by_index+0x5e/0x80 [ 5321.153045][ T10] fib6_nh_init+0x3d8/0x1580 [ 5321.153045][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5321.153045][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5321.153045][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5321.153045][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5321.153045][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5321.153045][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5321.153045][ T10] addrconf_dad_begin+0x310/0x670 [ 5321.153045][ T10] addrconf_dad_work+0x10b/0xab0 [ 5321.153045][ T10] process_one_work+0x84d/0x18a0 [ 5321.153045][ T10] worker_thread+0x587/0xd30 [ 5321.153045][ T10] kthread+0x28a/0x350 [ 5321.153045][ T10] ret_from_fork+0x31/0x70 [ 5321.153045][ T10] ret_from_fork_asm+0x1a/0x30 [ 5321.153045][ T10] [ 5321.155438][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5321.155438][ T10] netdev_get_by_index+0x5e/0x80 [ 5321.155438][ T10] fib6_nh_init+0x3d8/0x1580 [ 5321.155438][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5321.155438][ T10] ip6_route_add+0x1c/0x140 [ 5321.155438][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5321.155438][ T10] inet6_addr_add+0x4f8/0xa40 [ 5321.155438][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5321.155438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5321.155438][ T10] netlink_rcv_skb+0x130/0x360 [ 5321.155438][ T10] netlink_unicast+0x449/0x710 [ 5321.155438][ T10] netlink_sendmsg+0x723/0xbe0 [ 5321.155438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5321.155438][ T10] ___sys_sendmsg+0xee/0x170 [ 5321.155438][ T10] __sys_sendmsg+0xcd/0x170 [ 5321.155438][ T10] do_syscall_64+0xc6/0x1e0 [ 5321.155438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5321.155438][ T10] [ 5321.157919][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5321.157919][ T10] netdev_get_by_index+0x5e/0x80 [ 5321.157919][ T10] fib6_nh_init+0x3d8/0x1580 [ 5321.157919][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5321.157919][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5321.157919][ T10] ipv6_add_addr+0x411/0x2000 [ 5321.157919][ T10] inet6_addr_add+0x30e/0xa40 [ 5321.157919][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5321.157919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5321.157919][ T10] netlink_rcv_skb+0x130/0x360 [ 5321.157919][ T10] netlink_unicast+0x449/0x710 [ 5321.157919][ T10] netlink_sendmsg+0x723/0xbe0 [ 5321.157919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5321.157919][ T10] ___sys_sendmsg+0xee/0x170 [ 5321.157919][ T10] __sys_sendmsg+0xcd/0x170 [ 5321.157919][ T10] do_syscall_64+0xc6/0x1e0 [ 5321.157919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5321.157919][ T10] [ 5321.160416][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5321.160416][ T10] netdev_get_by_index+0x5e/0x80 [ 5321.160416][ T10] fib6_nh_init+0x3d8/0x1580 [ 5321.160416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5321.160416][ T10] ip6_route_add+0x1c/0x140 [ 5321.160416][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5321.160416][ T10] addrconf_add_dev+0xe2/0x170 [ 5321.160416][ T10] inet6_addr_add+0x12f/0xa40 [ 5321.160416][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5321.160416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5321.160416][ T10] netlink_rcv_skb+0x130/0x360 [ 5321.160416][ T10] netlink_unicast+0x449/0x710 [ 5321.160416][ T10] netlink_sendmsg+0x723/0xbe0 [ 5321.160416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5321.160416][ T10] ___sys_sendmsg+0xee/0x170 [ 5321.160416][ T10] __sys_sendmsg+0xcd/0x170 [ 5321.160416][ T10] do_syscall_64+0xc6/0x1e0 [ 5321.160416][ T10] [ 5321.162855][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5321.162855][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5321.162855][ T10] ipv6_find_idev+0x102/0x170 [ 5321.162855][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5321.162855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5321.162855][ T10] netlink_rcv_skb+0x130/0x360 [ 5321.162855][ T10] netlink_unicast+0x449/0x710 [ 5321.162855][ T10] netlink_sendmsg+0x723/0xbe0 [ 5321.162855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5321.162855][ T10] ___sys_sendmsg+0xee/0x170 [ 5321.162855][ T10] __sys_sendmsg+0xcd/0x170 [ 5321.162855][ T10] do_syscall_64+0xc6/0x1e0 [ 5321.162855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5321.162855][ T10] [ 5321.164764][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5321.164764][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5321.164764][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5321.164764][ T10] ipv6_find_idev+0x102/0x170 [ 5321.164764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5321.164764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5321.164764][ T10] netlink_rcv_skb+0x130/0x360 [ 5321.164764][ T10] netlink_unicast+0x449/0x710 [ 5321.164764][ T10] netlink_sendmsg+0x723/0xbe0 [ 5321.164764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5321.164764][ T10] ___sys_sendmsg+0xee/0x170 [ 5321.164764][ T10] __sys_sendmsg+0xcd/0x170 [ 5321.164764][ T10] do_syscall_64+0xc6/0x1e0 [ 5321.164764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5321.164764][ T10] [ 5323.417127][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5323.417626][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5323.417626][ T1167] dst_init+0x84/0x4a0 [ 5323.417626][ T1167] dst_alloc+0x97/0x150 [ 5323.417626][ T1167] ip6_dst_alloc+0x23/0x90 [ 5323.417626][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5323.417626][ T1167] ip6_pol_route+0x56f/0x840 [ 5323.417626][ T1167] fib6_rule_lookup+0x334/0x630 [ 5323.417626][ T1167] ip6_route_output_flags+0x259/0x480 [ 5323.417626][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5323.417626][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5323.417626][ T1167] netlink_rcv_skb+0x130/0x360 [ 5323.417626][ T1167] netlink_unicast+0x449/0x710 [ 5323.417626][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5323.417626][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5323.417626][ T1167] ___sys_sendmsg+0xee/0x170 [ 5323.417626][ T1167] __sys_sendmsg+0xcd/0x170 [ 5323.417626][ T1167] do_syscall_64+0xc6/0x1e0 [ 5323.417626][ T1167] [ 5323.419862][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5323.419862][ T1167] netdev_get_by_index+0x5e/0x80 [ 5323.419862][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5323.419862][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5323.419862][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5323.419862][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5323.419862][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5323.419862][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5323.419862][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5323.419862][ T1167] addrconf_dad_begin+0x310/0x670 [ 5323.419862][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5323.419862][ T1167] process_one_work+0x84d/0x18a0 [ 5323.419862][ T1167] worker_thread+0x587/0xd30 [ 5323.419862][ T1167] kthread+0x28a/0x350 [ 5323.419862][ T1167] ret_from_fork+0x31/0x70 [ 5323.419862][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5323.419862][ T1167] [ 5323.422033][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5323.422033][ T1167] netdev_get_by_index+0x5e/0x80 [ 5323.422033][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5323.422033][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5323.422033][ T1167] ip6_route_add+0x1c/0x140 [ 5323.422033][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5323.422033][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5323.422033][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5323.422033][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5323.422033][ T1167] netlink_rcv_skb+0x130/0x360 [ 5323.422033][ T1167] netlink_unicast+0x449/0x710 [ 5323.422033][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5323.422033][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5323.422033][ T1167] ___sys_sendmsg+0xee/0x170 [ 5323.422033][ T1167] __sys_sendmsg+0xcd/0x170 [ 5323.422033][ T1167] do_syscall_64+0xc6/0x1e0 [ 5323.422033][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5323.422033][ T1167] [ 5323.424331][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5323.424331][ T1167] netdev_get_by_index+0x5e/0x80 [ 5323.424331][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5323.424331][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5323.424331][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5323.424331][ T1167] ipv6_add_addr+0x411/0x2000 [ 5323.424331][ T1167] inet6_addr_add+0x30e/0xa40 [ 5323.424331][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5323.424331][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5323.424331][ T1167] netlink_rcv_skb+0x130/0x360 [ 5323.424331][ T1167] netlink_unicast+0x449/0x710 [ 5323.424331][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5323.424331][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5323.424331][ T1167] ___sys_sendmsg+0xee/0x170 [ 5323.424331][ T1167] __sys_sendmsg+0xcd/0x170 [ 5323.424331][ T1167] do_syscall_64+0xc6/0x1e0 [ 5323.424331][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5323.424331][ T1167] [ 5323.426592][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5323.426592][ T1167] netdev_get_by_index+0x5e/0x80 [ 5323.426592][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5323.426592][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5323.426592][ T1167] ip6_route_add+0x1c/0x140 [ 5323.426592][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5323.426592][ T1167] addrconf_add_dev+0xe2/0x170 [ 5323.426592][ T1167] inet6_addr_add+0x12f/0xa40 [ 5323.426592][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5323.426592][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5323.426592][ T1167] netlink_rcv_skb+0x130/0x360 [ 5323.426592][ T1167] netlink_unicast+0x449/0x710 [ 5323.426592][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5323.426592][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5323.426592][ T1167] ___sys_sendmsg+0xee/0x170 [ 5323.426592][ T1167] __sys_sendmsg+0xcd/0x170 [ 5323.426592][ T1167] do_syscall_64+0xc6/0x1e0 [ 5323.426592][ T1167] [ 5323.428922][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5323.428922][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5323.428922][ T1167] ipv6_find_idev+0x102/0x170 [ 5323.428922][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5323.428922][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5323.428922][ T1167] netlink_rcv_skb+0x130/0x360 [ 5323.428922][ T1167] netlink_unicast+0x449/0x710 [ 5323.428922][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5323.428922][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5323.428922][ T1167] ___sys_sendmsg+0xee/0x170 [ 5323.428922][ T1167] __sys_sendmsg+0xcd/0x170 [ 5323.428922][ T1167] do_syscall_64+0xc6/0x1e0 [ 5323.428922][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5323.428922][ T1167] [ 5323.430649][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5323.430649][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5323.430649][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5323.430649][ T1167] ipv6_find_idev+0x102/0x170 [ 5323.430649][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5323.430649][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5323.430649][ T1167] netlink_rcv_skb+0x130/0x360 [ 5323.430649][ T1167] netlink_unicast+0x449/0x710 [ 5323.430649][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5323.430649][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5323.430649][ T1167] ___sys_sendmsg+0xee/0x170 [ 5323.430649][ T1167] __sys_sendmsg+0xcd/0x170 [ 5323.430649][ T1167] do_syscall_64+0xc6/0x1e0 [ 5323.430649][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5323.430649][ T1167] [ 5331.409116][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5331.409592][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5331.409592][ T10] netdev_get_by_index+0x5e/0x80 [ 5331.409592][ T10] fib6_nh_init+0x3d8/0x1580 [ 5331.409592][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5331.409592][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5331.409592][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5331.409592][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5331.409592][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5331.409592][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5331.409592][ T10] addrconf_dad_begin+0x310/0x670 [ 5331.409592][ T10] addrconf_dad_work+0x10b/0xab0 [ 5331.409592][ T10] process_one_work+0x84d/0x18a0 [ 5331.409592][ T10] worker_thread+0x587/0xd30 [ 5331.409592][ T10] kthread+0x28a/0x350 [ 5331.409592][ T10] ret_from_fork+0x31/0x70 [ 5331.409592][ T10] ret_from_fork_asm+0x1a/0x30 [ 5331.409592][ T10] [ 5331.411778][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5331.411778][ T10] netdev_get_by_index+0x5e/0x80 [ 5331.411778][ T10] fib6_nh_init+0x3d8/0x1580 [ 5331.411778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5331.411778][ T10] ip6_route_add+0x1c/0x140 [ 5331.411778][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5331.411778][ T10] inet6_addr_add+0x4f8/0xa40 [ 5331.411778][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5331.411778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5331.411778][ T10] netlink_rcv_skb+0x130/0x360 [ 5331.411778][ T10] netlink_unicast+0x449/0x710 [ 5331.411778][ T10] netlink_sendmsg+0x723/0xbe0 [ 5331.411778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5331.411778][ T10] ___sys_sendmsg+0xee/0x170 [ 5331.411778][ T10] __sys_sendmsg+0xcd/0x170 [ 5331.411778][ T10] do_syscall_64+0xc6/0x1e0 [ 5331.411778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5331.411778][ T10] [ 5331.414024][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5331.414024][ T10] netdev_get_by_index+0x5e/0x80 [ 5331.414024][ T10] fib6_nh_init+0x3d8/0x1580 [ 5331.414024][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5331.414024][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5331.414024][ T10] ipv6_add_addr+0x411/0x2000 [ 5331.414024][ T10] inet6_addr_add+0x30e/0xa40 [ 5331.414024][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5331.414024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5331.414024][ T10] netlink_rcv_skb+0x130/0x360 [ 5331.414024][ T10] netlink_unicast+0x449/0x710 [ 5331.414024][ T10] netlink_sendmsg+0x723/0xbe0 [ 5331.414024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5331.414024][ T10] ___sys_sendmsg+0xee/0x170 [ 5331.414024][ T10] __sys_sendmsg+0xcd/0x170 [ 5331.414024][ T10] do_syscall_64+0xc6/0x1e0 [ 5331.414024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5331.414024][ T10] [ 5331.416255][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5331.416255][ T10] netdev_get_by_index+0x5e/0x80 [ 5331.416255][ T10] fib6_nh_init+0x3d8/0x1580 [ 5331.416255][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5331.416255][ T10] ip6_route_add+0x1c/0x140 [ 5331.416255][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5331.416255][ T10] addrconf_add_dev+0xe2/0x170 [ 5331.416255][ T10] inet6_addr_add+0x12f/0xa40 [ 5331.416255][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5331.416255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5331.416255][ T10] netlink_rcv_skb+0x130/0x360 [ 5331.416255][ T10] netlink_unicast+0x449/0x710 [ 5331.416255][ T10] netlink_sendmsg+0x723/0xbe0 [ 5331.416255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5331.416255][ T10] ___sys_sendmsg+0xee/0x170 [ 5331.416255][ T10] __sys_sendmsg+0xcd/0x170 [ 5331.416255][ T10] do_syscall_64+0xc6/0x1e0 [ 5331.416255][ T10] [ 5331.418461][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5331.418461][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5331.418461][ T10] ipv6_find_idev+0x102/0x170 [ 5331.418461][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5331.418461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5331.418461][ T10] netlink_rcv_skb+0x130/0x360 [ 5331.418461][ T10] netlink_unicast+0x449/0x710 [ 5331.418461][ T10] netlink_sendmsg+0x723/0xbe0 [ 5331.418461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5331.418461][ T10] ___sys_sendmsg+0xee/0x170 [ 5331.418461][ T10] __sys_sendmsg+0xcd/0x170 [ 5331.418461][ T10] do_syscall_64+0xc6/0x1e0 [ 5331.418461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5331.418461][ T10] [ 5331.420179][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5331.420179][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5331.420179][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5331.420179][ T10] ipv6_find_idev+0x102/0x170 [ 5331.420179][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5331.420179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5331.420179][ T10] netlink_rcv_skb+0x130/0x360 [ 5331.420179][ T10] netlink_unicast+0x449/0x710 [ 5331.420179][ T10] netlink_sendmsg+0x723/0xbe0 [ 5331.420179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5331.420179][ T10] ___sys_sendmsg+0xee/0x170 [ 5331.420179][ T10] __sys_sendmsg+0xcd/0x170 [ 5331.420179][ T10] do_syscall_64+0xc6/0x1e0 [ 5331.420179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5331.420179][ T10] [ 5331.422065][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5331.422373][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5331.422373][ T10] netdev_get_by_index+0x5e/0x80 [ 5331.422373][ T10] fib6_nh_init+0x3d8/0x1580 [ 5331.422373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5331.422373][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5331.422373][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5331.422373][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5331.422373][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5331.422373][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5331.422373][ T10] addrconf_dad_begin+0x310/0x670 [ 5331.422373][ T10] addrconf_dad_work+0x10b/0xab0 [ 5331.422373][ T10] process_one_work+0x84d/0x18a0 [ 5331.422373][ T10] worker_thread+0x587/0xd30 [ 5331.422373][ T10] kthread+0x28a/0x350 [ 5331.422373][ T10] ret_from_fork+0x31/0x70 [ 5331.422373][ T10] ret_from_fork_asm+0x1a/0x30 [ 5331.422373][ T10] [ 5331.424518][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5331.424518][ T10] netdev_get_by_index+0x5e/0x80 [ 5331.424518][ T10] fib6_nh_init+0x3d8/0x1580 [ 5331.424518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5331.424518][ T10] ip6_route_add+0x1c/0x140 [ 5331.424518][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5331.424518][ T10] inet6_addr_add+0x4f8/0xa40 [ 5331.424518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5331.424518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5331.424518][ T10] netlink_rcv_skb+0x130/0x360 [ 5331.424518][ T10] netlink_unicast+0x449/0x710 [ 5331.424518][ T10] netlink_sendmsg+0x723/0xbe0 [ 5331.424518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5331.424518][ T10] ___sys_sendmsg+0xee/0x170 [ 5331.424518][ T10] __sys_sendmsg+0xcd/0x170 [ 5331.424518][ T10] do_syscall_64+0xc6/0x1e0 [ 5331.424518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5331.424518][ T10] [ 5331.426757][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5331.426757][ T10] netdev_get_by_index+0x5e/0x80 [ 5331.426757][ T10] fib6_nh_init+0x3d8/0x1580 [ 5331.426757][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5331.426757][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5331.426757][ T10] ipv6_add_addr+0x411/0x2000 [ 5331.426757][ T10] inet6_addr_add+0x30e/0xa40 [ 5331.426757][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5331.426757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5331.426757][ T10] netlink_rcv_skb+0x130/0x360 [ 5331.426757][ T10] netlink_unicast+0x449/0x710 [ 5331.426757][ T10] netlink_sendmsg+0x723/0xbe0 [ 5331.426757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5331.426757][ T10] ___sys_sendmsg+0xee/0x170 [ 5331.426757][ T10] __sys_sendmsg+0xcd/0x170 [ 5331.426757][ T10] do_syscall_64+0xc6/0x1e0 [ 5331.426757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5331.426757][ T10] [ 5331.429007][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5331.429007][ T10] netdev_get_by_index+0x5e/0x80 [ 5331.429007][ T10] fib6_nh_init+0x3d8/0x1580 [ 5331.429007][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5331.429007][ T10] ip6_route_add+0x1c/0x140 [ 5331.429007][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5331.429007][ T10] addrconf_add_dev+0xe2/0x170 [ 5331.429007][ T10] inet6_addr_add+0x12f/0xa40 [ 5331.429007][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5331.429007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5331.429007][ T10] netlink_rcv_skb+0x130/0x360 [ 5331.429007][ T10] netlink_unicast+0x449/0x710 [ 5331.429007][ T10] netlink_sendmsg+0x723/0xbe0 [ 5331.429007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5331.429007][ T10] ___sys_sendmsg+0xee/0x170 [ 5331.429007][ T10] __sys_sendmsg+0xcd/0x170 [ 5331.429007][ T10] do_syscall_64+0xc6/0x1e0 [ 5331.429007][ T10] [ 5331.431182][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5331.431182][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5331.431182][ T10] ipv6_find_idev+0x102/0x170 [ 5331.431182][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5331.431182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5331.431182][ T10] netlink_rcv_skb+0x130/0x360 [ 5331.431182][ T10] netlink_unicast+0x449/0x710 [ 5331.431182][ T10] netlink_sendmsg+0x723/0xbe0 [ 5331.431182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5331.431182][ T10] ___sys_sendmsg+0xee/0x170 [ 5331.431182][ T10] __sys_sendmsg+0xcd/0x170 [ 5331.431182][ T10] do_syscall_64+0xc6/0x1e0 [ 5331.431182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5331.431182][ T10] [ 5331.432909][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5331.432909][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5331.432909][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5331.432909][ T10] ipv6_find_idev+0x102/0x170 [ 5331.432909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5331.432909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5331.432909][ T10] netlink_rcv_skb+0x130/0x360 [ 5331.432909][ T10] netlink_unicast+0x449/0x710 [ 5331.432909][ T10] netlink_sendmsg+0x723/0xbe0 [ 5331.432909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5331.432909][ T10] ___sys_sendmsg+0xee/0x170 [ 5331.432909][ T10] __sys_sendmsg+0xcd/0x170 [ 5331.432909][ T10] do_syscall_64+0xc6/0x1e0 [ 5331.432909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5331.432909][ T10] [ 5331.434792][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5331.435066][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5331.435066][ T10] netdev_get_by_index+0x5e/0x80 [ 5331.435066][ T10] fib6_nh_init+0x3d8/0x1580 [ 5331.435066][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5331.435066][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5331.435066][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5331.435066][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5331.435066][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5331.435066][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5331.435066][ T10] addrconf_dad_begin+0x310/0x670 [ 5331.435066][ T10] addrconf_dad_work+0x10b/0xab0 [ 5331.435066][ T10] process_one_work+0x84d/0x18a0 [ 5331.435066][ T10] worker_thread+0x587/0xd30 [ 5331.435066][ T10] kthread+0x28a/0x350 [ 5331.435066][ T10] ret_from_fork+0x31/0x70 [ 5331.435066][ T10] ret_from_fork_asm+0x1a/0x30 [ 5331.435066][ T10] [ 5331.437206][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5331.437206][ T10] netdev_get_by_index+0x5e/0x80 [ 5331.437206][ T10] fib6_nh_init+0x3d8/0x1580 [ 5331.437206][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5331.437206][ T10] ip6_route_add+0x1c/0x140 [ 5331.437206][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5331.437206][ T10] inet6_addr_add+0x4f8/0xa40 [ 5331.437206][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5331.437206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5331.437206][ T10] netlink_rcv_skb+0x130/0x360 [ 5331.437206][ T10] netlink_unicast+0x449/0x710 [ 5331.437206][ T10] netlink_sendmsg+0x723/0xbe0 [ 5331.437206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5331.437206][ T10] ___sys_sendmsg+0xee/0x170 [ 5331.437206][ T10] __sys_sendmsg+0xcd/0x170 [ 5331.437206][ T10] do_syscall_64+0xc6/0x1e0 [ 5331.437206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5331.437206][ T10] [ 5331.439627][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5331.439627][ T10] netdev_get_by_index+0x5e/0x80 [ 5331.439627][ T10] fib6_nh_init+0x3d8/0x1580 [ 5331.439627][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5331.439627][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5331.439627][ T10] ipv6_add_addr+0x411/0x2000 [ 5331.439627][ T10] inet6_addr_add+0x30e/0xa40 [ 5331.439627][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5331.439627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5331.439627][ T10] netlink_rcv_skb+0x130/0x360 [ 5331.439627][ T10] netlink_unicast+0x449/0x710 [ 5331.439627][ T10] netlink_sendmsg+0x723/0xbe0 [ 5331.439627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5331.439627][ T10] ___sys_sendmsg+0xee/0x170 [ 5331.439627][ T10] __sys_sendmsg+0xcd/0x170 [ 5331.439627][ T10] do_syscall_64+0xc6/0x1e0 [ 5331.439627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5331.439627][ T10] [ 5331.442148][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5331.442148][ T10] netdev_get_by_index+0x5e/0x80 [ 5331.442148][ T10] fib6_nh_init+0x3d8/0x1580 [ 5331.442148][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5331.442148][ T10] ip6_route_add+0x1c/0x140 [ 5331.442148][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5331.442148][ T10] addrconf_add_dev+0xe2/0x170 [ 5331.442148][ T10] inet6_addr_add+0x12f/0xa40 [ 5331.442148][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5331.442148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5331.442148][ T10] netlink_rcv_skb+0x130/0x360 [ 5331.442148][ T10] netlink_unicast+0x449/0x710 [ 5331.442148][ T10] netlink_sendmsg+0x723/0xbe0 [ 5331.442148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5331.442148][ T10] ___sys_sendmsg+0xee/0x170 [ 5331.442148][ T10] __sys_sendmsg+0xcd/0x170 [ 5331.442148][ T10] do_syscall_64+0xc6/0x1e0 [ 5331.442148][ T10] [ 5331.444535][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5331.444535][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5331.444535][ T10] ipv6_find_idev+0x102/0x170 [ 5331.444535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5331.444535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5331.444535][ T10] netlink_rcv_skb+0x130/0x360 [ 5331.444535][ T10] netlink_unicast+0x449/0x710 [ 5331.444535][ T10] netlink_sendmsg+0x723/0xbe0 [ 5331.444535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5331.444535][ T10] ___sys_sendmsg+0xee/0x170 [ 5331.444535][ T10] __sys_sendmsg+0xcd/0x170 [ 5331.444535][ T10] do_syscall_64+0xc6/0x1e0 [ 5331.444535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5331.444535][ T10] [ 5331.446436][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5331.446436][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5331.446436][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5331.446436][ T10] ipv6_find_idev+0x102/0x170 [ 5331.446436][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5331.446436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5331.446436][ T10] netlink_rcv_skb+0x130/0x360 [ 5331.446436][ T10] netlink_unicast+0x449/0x710 [ 5331.446436][ T10] netlink_sendmsg+0x723/0xbe0 [ 5331.446436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5331.446436][ T10] ___sys_sendmsg+0xee/0x170 [ 5331.446436][ T10] __sys_sendmsg+0xcd/0x170 [ 5331.446436][ T10] do_syscall_64+0xc6/0x1e0 [ 5331.446436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5331.446436][ T10] [ 5331.448560][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5331.448822][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5331.448822][ T10] netdev_get_by_index+0x5e/0x80 [ 5331.448822][ T10] fib6_nh_init+0x3d8/0x1580 [ 5331.448822][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5331.448822][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5331.448822][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5331.448822][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5331.448822][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5331.448822][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5331.448822][ T10] addrconf_dad_begin+0x310/0x670 [ 5331.448822][ T10] addrconf_dad_work+0x10b/0xab0 [ 5331.448822][ T10] process_one_work+0x84d/0x18a0 [ 5331.448822][ T10] worker_thread+0x587/0xd30 [ 5331.448822][ T10] kthread+0x28a/0x350 [ 5331.448822][ T10] ret_from_fork+0x31/0x70 [ 5331.448822][ T10] ret_from_fork_asm+0x1a/0x30 [ 5331.448822][ T10] [ 5331.451274][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5331.451274][ T10] netdev_get_by_index+0x5e/0x80 [ 5331.451274][ T10] fib6_nh_init+0x3d8/0x1580 [ 5331.451274][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5331.451274][ T10] ip6_route_add+0x1c/0x140 [ 5331.451274][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5331.451274][ T10] inet6_addr_add+0x4f8/0xa40 [ 5331.451274][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5331.451274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5331.451274][ T10] netlink_rcv_skb+0x130/0x360 [ 5331.451274][ T10] netlink_unicast+0x449/0x710 [ 5331.451274][ T10] netlink_sendmsg+0x723/0xbe0 [ 5331.451274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5331.451274][ T10] ___sys_sendmsg+0xee/0x170 [ 5331.451274][ T10] __sys_sendmsg+0xcd/0x170 [ 5331.451274][ T10] do_syscall_64+0xc6/0x1e0 [ 5331.451274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5331.451274][ T10] [ 5331.453755][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5331.453755][ T10] netdev_get_by_index+0x5e/0x80 [ 5331.453755][ T10] fib6_nh_init+0x3d8/0x1580 [ 5331.453755][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5331.453755][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5331.453755][ T10] ipv6_add_addr+0x411/0x2000 [ 5331.453755][ T10] inet6_addr_add+0x30e/0xa40 [ 5331.453755][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5331.453755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5331.453755][ T10] netlink_rcv_skb+0x130/0x360 [ 5331.453755][ T10] netlink_unicast+0x449/0x710 [ 5331.453755][ T10] netlink_sendmsg+0x723/0xbe0 [ 5331.453755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5331.453755][ T10] ___sys_sendmsg+0xee/0x170 [ 5331.453755][ T10] __sys_sendmsg+0xcd/0x170 [ 5331.453755][ T10] do_syscall_64+0xc6/0x1e0 [ 5331.453755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5331.453755][ T10] [ 5331.456170][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5331.456170][ T10] netdev_get_by_index+0x5e/0x80 [ 5331.456170][ T10] fib6_nh_init+0x3d8/0x1580 [ 5331.456170][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5331.456170][ T10] ip6_route_add+0x1c/0x140 [ 5331.456170][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5331.456170][ T10] addrconf_add_dev+0xe2/0x170 [ 5331.456170][ T10] inet6_addr_add+0x12f/0xa40 [ 5331.456170][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5331.456170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5331.456170][ T10] netlink_rcv_skb+0x130/0x360 [ 5331.456170][ T10] netlink_unicast+0x449/0x710 [ 5331.456170][ T10] netlink_sendmsg+0x723/0xbe0 [ 5331.456170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5331.456170][ T10] ___sys_sendmsg+0xee/0x170 [ 5331.456170][ T10] __sys_sendmsg+0xcd/0x170 [ 5331.456170][ T10] do_syscall_64+0xc6/0x1e0 [ 5331.456170][ T10] [ 5331.458627][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5331.458627][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5331.458627][ T10] ipv6_find_idev+0x102/0x170 [ 5331.458627][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5331.458627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5331.458627][ T10] netlink_rcv_skb+0x130/0x360 [ 5331.458627][ T10] netlink_unicast+0x449/0x710 [ 5331.458627][ T10] netlink_sendmsg+0x723/0xbe0 [ 5331.458627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5331.458627][ T10] ___sys_sendmsg+0xee/0x170 [ 5331.458627][ T10] __sys_sendmsg+0xcd/0x170 [ 5331.458627][ T10] do_syscall_64+0xc6/0x1e0 [ 5331.458627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5331.458627][ T10] [ 5331.460531][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5331.460531][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5331.460531][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5331.460531][ T10] ipv6_find_idev+0x102/0x170 [ 5331.460531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5331.460531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5331.460531][ T10] netlink_rcv_skb+0x130/0x360 [ 5331.460531][ T10] netlink_unicast+0x449/0x710 [ 5331.460531][ T10] netlink_sendmsg+0x723/0xbe0 [ 5331.460531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5331.460531][ T10] ___sys_sendmsg+0xee/0x170 [ 5331.460531][ T10] __sys_sendmsg+0xcd/0x170 [ 5331.460531][ T10] do_syscall_64+0xc6/0x1e0 [ 5331.460531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5331.460531][ T10] [ 5333.641120][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5333.641601][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5333.641601][ T1167] dst_init+0x84/0x4a0 [ 5333.641601][ T1167] dst_alloc+0x97/0x150 [ 5333.641601][ T1167] ip6_dst_alloc+0x23/0x90 [ 5333.641601][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5333.641601][ T1167] ip6_pol_route+0x56f/0x840 [ 5333.641601][ T1167] fib6_rule_lookup+0x334/0x630 [ 5333.641601][ T1167] ip6_route_output_flags+0x259/0x480 [ 5333.641601][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5333.641601][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5333.641601][ T1167] netlink_rcv_skb+0x130/0x360 [ 5333.641601][ T1167] netlink_unicast+0x449/0x710 [ 5333.641601][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5333.641601][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5333.641601][ T1167] ___sys_sendmsg+0xee/0x170 [ 5333.641601][ T1167] __sys_sendmsg+0xcd/0x170 [ 5333.641601][ T1167] do_syscall_64+0xc6/0x1e0 [ 5333.641601][ T1167] [ 5333.643850][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5333.643850][ T1167] netdev_get_by_index+0x5e/0x80 [ 5333.643850][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5333.643850][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5333.643850][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5333.643850][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5333.643850][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5333.643850][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5333.643850][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5333.643850][ T1167] addrconf_dad_begin+0x310/0x670 [ 5333.643850][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5333.643850][ T1167] process_one_work+0x84d/0x18a0 [ 5333.643850][ T1167] worker_thread+0x587/0xd30 [ 5333.643850][ T1167] kthread+0x28a/0x350 [ 5333.643850][ T1167] ret_from_fork+0x31/0x70 [ 5333.643850][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5333.643850][ T1167] [ 5333.646005][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5333.646005][ T1167] netdev_get_by_index+0x5e/0x80 [ 5333.646005][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5333.646005][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5333.646005][ T1167] ip6_route_add+0x1c/0x140 [ 5333.646005][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5333.646005][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5333.646005][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5333.646005][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5333.646005][ T1167] netlink_rcv_skb+0x130/0x360 [ 5333.646005][ T1167] netlink_unicast+0x449/0x710 [ 5333.646005][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5333.646005][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5333.646005][ T1167] ___sys_sendmsg+0xee/0x170 [ 5333.646005][ T1167] __sys_sendmsg+0xcd/0x170 [ 5333.646005][ T1167] do_syscall_64+0xc6/0x1e0 [ 5333.646005][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5333.646005][ T1167] [ 5333.648252][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5333.648252][ T1167] netdev_get_by_index+0x5e/0x80 [ 5333.648252][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5333.648252][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5333.648252][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5333.648252][ T1167] ipv6_add_addr+0x411/0x2000 [ 5333.648252][ T1167] inet6_addr_add+0x30e/0xa40 [ 5333.648252][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5333.648252][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5333.648252][ T1167] netlink_rcv_skb+0x130/0x360 [ 5333.648252][ T1167] netlink_unicast+0x449/0x710 [ 5333.648252][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5333.648252][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5333.648252][ T1167] ___sys_sendmsg+0xee/0x170 [ 5333.648252][ T1167] __sys_sendmsg+0xcd/0x170 [ 5333.648252][ T1167] do_syscall_64+0xc6/0x1e0 [ 5333.648252][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5333.648252][ T1167] [ 5333.650486][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5333.650486][ T1167] netdev_get_by_index+0x5e/0x80 [ 5333.650486][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5333.650486][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5333.650486][ T1167] ip6_route_add+0x1c/0x140 [ 5333.650486][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5333.650486][ T1167] addrconf_add_dev+0xe2/0x170 [ 5333.650486][ T1167] inet6_addr_add+0x12f/0xa40 [ 5333.650486][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5333.650486][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5333.650486][ T1167] netlink_rcv_skb+0x130/0x360 [ 5333.650486][ T1167] netlink_unicast+0x449/0x710 [ 5333.650486][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5333.650486][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5333.650486][ T1167] ___sys_sendmsg+0xee/0x170 [ 5333.650486][ T1167] __sys_sendmsg+0xcd/0x170 [ 5333.650486][ T1167] do_syscall_64+0xc6/0x1e0 [ 5333.650486][ T1167] [ 5333.652686][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5333.652686][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5333.652686][ T1167] ipv6_find_idev+0x102/0x170 [ 5333.652686][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5333.652686][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5333.652686][ T1167] netlink_rcv_skb+0x130/0x360 [ 5333.652686][ T1167] netlink_unicast+0x449/0x710 [ 5333.652686][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5333.652686][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5333.652686][ T1167] ___sys_sendmsg+0xee/0x170 [ 5333.652686][ T1167] __sys_sendmsg+0xcd/0x170 [ 5333.652686][ T1167] do_syscall_64+0xc6/0x1e0 [ 5333.652686][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5333.652686][ T1167] [ 5333.654425][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5333.654425][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5333.654425][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5333.654425][ T1167] ipv6_find_idev+0x102/0x170 [ 5333.654425][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5333.654425][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5333.654425][ T1167] netlink_rcv_skb+0x130/0x360 [ 5333.654425][ T1167] netlink_unicast+0x449/0x710 [ 5333.654425][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5333.654425][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5333.654425][ T1167] ___sys_sendmsg+0xee/0x170 [ 5333.654425][ T1167] __sys_sendmsg+0xcd/0x170 [ 5333.654425][ T1167] do_syscall_64+0xc6/0x1e0 [ 5333.654425][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5333.654425][ T1167] [ 5341.577124][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5341.577529][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5341.577529][ T10] netdev_get_by_index+0x5e/0x80 [ 5341.577529][ T10] fib6_nh_init+0x3d8/0x1580 [ 5341.577529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5341.577529][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5341.577529][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5341.577529][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5341.577529][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5341.577529][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5341.577529][ T10] addrconf_dad_begin+0x310/0x670 [ 5341.577529][ T10] addrconf_dad_work+0x10b/0xab0 [ 5341.577529][ T10] process_one_work+0x84d/0x18a0 [ 5341.577529][ T10] worker_thread+0x587/0xd30 [ 5341.577529][ T10] kthread+0x28a/0x350 [ 5341.577529][ T10] ret_from_fork+0x31/0x70 [ 5341.577529][ T10] ret_from_fork_asm+0x1a/0x30 [ 5341.577529][ T10] [ 5341.579491][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5341.579491][ T10] netdev_get_by_index+0x5e/0x80 [ 5341.579491][ T10] fib6_nh_init+0x3d8/0x1580 [ 5341.579491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5341.579491][ T10] ip6_route_add+0x1c/0x140 [ 5341.579491][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5341.579491][ T10] inet6_addr_add+0x4f8/0xa40 [ 5341.579491][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5341.579491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5341.579491][ T10] netlink_rcv_skb+0x130/0x360 [ 5341.579491][ T10] netlink_unicast+0x449/0x710 [ 5341.579491][ T10] netlink_sendmsg+0x723/0xbe0 [ 5341.579491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5341.579491][ T10] ___sys_sendmsg+0xee/0x170 [ 5341.579491][ T10] __sys_sendmsg+0xcd/0x170 [ 5341.579491][ T10] do_syscall_64+0xc6/0x1e0 [ 5341.579491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5341.579491][ T10] [ 5341.581485][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5341.581485][ T10] netdev_get_by_index+0x5e/0x80 [ 5341.581485][ T10] fib6_nh_init+0x3d8/0x1580 [ 5341.581485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5341.581485][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5341.581485][ T10] ipv6_add_addr+0x411/0x2000 [ 5341.581485][ T10] inet6_addr_add+0x30e/0xa40 [ 5341.581485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5341.581485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5341.581485][ T10] netlink_rcv_skb+0x130/0x360 [ 5341.581485][ T10] netlink_unicast+0x449/0x710 [ 5341.581485][ T10] netlink_sendmsg+0x723/0xbe0 [ 5341.581485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5341.581485][ T10] ___sys_sendmsg+0xee/0x170 [ 5341.581485][ T10] __sys_sendmsg+0xcd/0x170 [ 5341.581485][ T10] do_syscall_64+0xc6/0x1e0 [ 5341.581485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5341.581485][ T10] [ 5341.583595][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5341.583595][ T10] netdev_get_by_index+0x5e/0x80 [ 5341.583595][ T10] fib6_nh_init+0x3d8/0x1580 [ 5341.583595][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5341.583595][ T10] ip6_route_add+0x1c/0x140 [ 5341.583595][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5341.583595][ T10] addrconf_add_dev+0xe2/0x170 [ 5341.583595][ T10] inet6_addr_add+0x12f/0xa40 [ 5341.583595][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5341.583595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5341.583595][ T10] netlink_rcv_skb+0x130/0x360 [ 5341.583595][ T10] netlink_unicast+0x449/0x710 [ 5341.583595][ T10] netlink_sendmsg+0x723/0xbe0 [ 5341.583595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5341.583595][ T10] ___sys_sendmsg+0xee/0x170 [ 5341.583595][ T10] __sys_sendmsg+0xcd/0x170 [ 5341.583595][ T10] do_syscall_64+0xc6/0x1e0 [ 5341.583595][ T10] [ 5341.585578][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5341.585578][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5341.585578][ T10] ipv6_find_idev+0x102/0x170 [ 5341.585578][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5341.585578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5341.585578][ T10] netlink_rcv_skb+0x130/0x360 [ 5341.585578][ T10] netlink_unicast+0x449/0x710 [ 5341.585578][ T10] netlink_sendmsg+0x723/0xbe0 [ 5341.585578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5341.585578][ T10] ___sys_sendmsg+0xee/0x170 [ 5341.585578][ T10] __sys_sendmsg+0xcd/0x170 [ 5341.585578][ T10] do_syscall_64+0xc6/0x1e0 [ 5341.585578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5341.585578][ T10] [ 5341.587127][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5341.587127][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5341.587127][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5341.587127][ T10] ipv6_find_idev+0x102/0x170 [ 5341.587127][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5341.587127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5341.587127][ T10] netlink_rcv_skb+0x130/0x360 [ 5341.587127][ T10] netlink_unicast+0x449/0x710 [ 5341.587127][ T10] netlink_sendmsg+0x723/0xbe0 [ 5341.587127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5341.587127][ T10] ___sys_sendmsg+0xee/0x170 [ 5341.587127][ T10] __sys_sendmsg+0xcd/0x170 [ 5341.587127][ T10] do_syscall_64+0xc6/0x1e0 [ 5341.587127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5341.587127][ T10] [ 5341.588824][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5341.589075][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5341.589075][ T10] netdev_get_by_index+0x5e/0x80 [ 5341.589075][ T10] fib6_nh_init+0x3d8/0x1580 [ 5341.589075][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5341.589075][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5341.589075][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5341.589075][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5341.589075][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5341.589075][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5341.589075][ T10] addrconf_dad_begin+0x310/0x670 [ 5341.589075][ T10] addrconf_dad_work+0x10b/0xab0 [ 5341.589075][ T10] process_one_work+0x84d/0x18a0 [ 5341.589075][ T10] worker_thread+0x587/0xd30 [ 5341.589075][ T10] kthread+0x28a/0x350 [ 5341.589075][ T10] ret_from_fork+0x31/0x70 [ 5341.589075][ T10] ret_from_fork_asm+0x1a/0x30 [ 5341.589075][ T10] [ 5341.590980][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5341.590980][ T10] netdev_get_by_index+0x5e/0x80 [ 5341.590980][ T10] fib6_nh_init+0x3d8/0x1580 [ 5341.590980][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5341.590980][ T10] ip6_route_add+0x1c/0x140 [ 5341.590980][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5341.590980][ T10] inet6_addr_add+0x4f8/0xa40 [ 5341.590980][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5341.590980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5341.590980][ T10] netlink_rcv_skb+0x130/0x360 [ 5341.590980][ T10] netlink_unicast+0x449/0x710 [ 5341.590980][ T10] netlink_sendmsg+0x723/0xbe0 [ 5341.590980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5341.590980][ T10] ___sys_sendmsg+0xee/0x170 [ 5341.590980][ T10] __sys_sendmsg+0xcd/0x170 [ 5341.590980][ T10] do_syscall_64+0xc6/0x1e0 [ 5341.590980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5341.590980][ T10] [ 5341.592990][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5341.592990][ T10] netdev_get_by_index+0x5e/0x80 [ 5341.592990][ T10] fib6_nh_init+0x3d8/0x1580 [ 5341.592990][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5341.592990][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5341.592990][ T10] ipv6_add_addr+0x411/0x2000 [ 5341.592990][ T10] inet6_addr_add+0x30e/0xa40 [ 5341.592990][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5341.592990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5341.592990][ T10] netlink_rcv_skb+0x130/0x360 [ 5341.592990][ T10] netlink_unicast+0x449/0x710 [ 5341.592990][ T10] netlink_sendmsg+0x723/0xbe0 [ 5341.592990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5341.592990][ T10] ___sys_sendmsg+0xee/0x170 [ 5341.592990][ T10] __sys_sendmsg+0xcd/0x170 [ 5341.592990][ T10] do_syscall_64+0xc6/0x1e0 [ 5341.592990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5341.592990][ T10] [ 5341.594986][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5341.594986][ T10] netdev_get_by_index+0x5e/0x80 [ 5341.594986][ T10] fib6_nh_init+0x3d8/0x1580 [ 5341.594986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5341.594986][ T10] ip6_route_add+0x1c/0x140 [ 5341.594986][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5341.594986][ T10] addrconf_add_dev+0xe2/0x170 [ 5341.594986][ T10] inet6_addr_add+0x12f/0xa40 [ 5341.594986][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5341.594986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5341.594986][ T10] netlink_rcv_skb+0x130/0x360 [ 5341.594986][ T10] netlink_unicast+0x449/0x710 [ 5341.594986][ T10] netlink_sendmsg+0x723/0xbe0 [ 5341.594986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5341.594986][ T10] ___sys_sendmsg+0xee/0x170 [ 5341.594986][ T10] __sys_sendmsg+0xcd/0x170 [ 5341.594986][ T10] do_syscall_64+0xc6/0x1e0 [ 5341.594986][ T10] [ 5341.596946][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5341.596946][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5341.596946][ T10] ipv6_find_idev+0x102/0x170 [ 5341.596946][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5341.596946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5341.596946][ T10] netlink_rcv_skb+0x130/0x360 [ 5341.596946][ T10] netlink_unicast+0x449/0x710 [ 5341.596946][ T10] netlink_sendmsg+0x723/0xbe0 [ 5341.596946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5341.596946][ T10] ___sys_sendmsg+0xee/0x170 [ 5341.596946][ T10] __sys_sendmsg+0xcd/0x170 [ 5341.596946][ T10] do_syscall_64+0xc6/0x1e0 [ 5341.596946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5341.596946][ T10] [ 5341.598477][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5341.598477][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5341.598477][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5341.598477][ T10] ipv6_find_idev+0x102/0x170 [ 5341.598477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5341.598477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5341.598477][ T10] netlink_rcv_skb+0x130/0x360 [ 5341.598477][ T10] netlink_unicast+0x449/0x710 [ 5341.598477][ T10] netlink_sendmsg+0x723/0xbe0 [ 5341.598477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5341.598477][ T10] ___sys_sendmsg+0xee/0x170 [ 5341.598477][ T10] __sys_sendmsg+0xcd/0x170 [ 5341.598477][ T10] do_syscall_64+0xc6/0x1e0 [ 5341.598477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5341.598477][ T10] [ 5341.600134][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5341.600372][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5341.600372][ T10] netdev_get_by_index+0x5e/0x80 [ 5341.600372][ T10] fib6_nh_init+0x3d8/0x1580 [ 5341.600372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5341.600372][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5341.600372][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5341.600372][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5341.600372][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5341.600372][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5341.600372][ T10] addrconf_dad_begin+0x310/0x670 [ 5341.600372][ T10] addrconf_dad_work+0x10b/0xab0 [ 5341.600372][ T10] process_one_work+0x84d/0x18a0 [ 5341.600372][ T10] worker_thread+0x587/0xd30 [ 5341.600372][ T10] kthread+0x28a/0x350 [ 5341.600372][ T10] ret_from_fork+0x31/0x70 [ 5341.600372][ T10] ret_from_fork_asm+0x1a/0x30 [ 5341.600372][ T10] [ 5341.602254][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5341.602254][ T10] netdev_get_by_index+0x5e/0x80 [ 5341.602254][ T10] fib6_nh_init+0x3d8/0x1580 [ 5341.602254][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5341.602254][ T10] ip6_route_add+0x1c/0x140 [ 5341.602254][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5341.602254][ T10] inet6_addr_add+0x4f8/0xa40 [ 5341.602254][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5341.602254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5341.602254][ T10] netlink_rcv_skb+0x130/0x360 [ 5341.602254][ T10] netlink_unicast+0x449/0x710 [ 5341.602254][ T10] netlink_sendmsg+0x723/0xbe0 [ 5341.602254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5341.602254][ T10] ___sys_sendmsg+0xee/0x170 [ 5341.602254][ T10] __sys_sendmsg+0xcd/0x170 [ 5341.602254][ T10] do_syscall_64+0xc6/0x1e0 [ 5341.602254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5341.602254][ T10] [ 5341.604373][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5341.604373][ T10] netdev_get_by_index+0x5e/0x80 [ 5341.604373][ T10] fib6_nh_init+0x3d8/0x1580 [ 5341.604373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5341.604373][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5341.604373][ T10] ipv6_add_addr+0x411/0x2000 [ 5341.604373][ T10] inet6_addr_add+0x30e/0xa40 [ 5341.604373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5341.604373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5341.604373][ T10] netlink_rcv_skb+0x130/0x360 [ 5341.604373][ T10] netlink_unicast+0x449/0x710 [ 5341.604373][ T10] netlink_sendmsg+0x723/0xbe0 [ 5341.604373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5341.604373][ T10] ___sys_sendmsg+0xee/0x170 [ 5341.604373][ T10] __sys_sendmsg+0xcd/0x170 [ 5341.604373][ T10] do_syscall_64+0xc6/0x1e0 [ 5341.604373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5341.604373][ T10] [ 5341.606472][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5341.606472][ T10] netdev_get_by_index+0x5e/0x80 [ 5341.606472][ T10] fib6_nh_init+0x3d8/0x1580 [ 5341.606472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5341.606472][ T10] ip6_route_add+0x1c/0x140 [ 5341.606472][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5341.606472][ T10] addrconf_add_dev+0xe2/0x170 [ 5341.606472][ T10] inet6_addr_add+0x12f/0xa40 [ 5341.606472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5341.606472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5341.606472][ T10] netlink_rcv_skb+0x130/0x360 [ 5341.606472][ T10] netlink_unicast+0x449/0x710 [ 5341.606472][ T10] netlink_sendmsg+0x723/0xbe0 [ 5341.606472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5341.606472][ T10] ___sys_sendmsg+0xee/0x170 [ 5341.606472][ T10] __sys_sendmsg+0xcd/0x170 [ 5341.606472][ T10] do_syscall_64+0xc6/0x1e0 [ 5341.606472][ T10] [ 5341.608532][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5341.608532][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5341.608532][ T10] ipv6_find_idev+0x102/0x170 [ 5341.608532][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5341.608532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5341.608532][ T10] netlink_rcv_skb+0x130/0x360 [ 5341.608532][ T10] netlink_unicast+0x449/0x710 [ 5341.608532][ T10] netlink_sendmsg+0x723/0xbe0 [ 5341.608532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5341.608532][ T10] ___sys_sendmsg+0xee/0x170 [ 5341.608532][ T10] __sys_sendmsg+0xcd/0x170 [ 5341.608532][ T10] do_syscall_64+0xc6/0x1e0 [ 5341.608532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5341.608532][ T10] [ 5341.610113][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5341.610113][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5341.610113][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5341.610113][ T10] ipv6_find_idev+0x102/0x170 [ 5341.610113][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5341.610113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5341.610113][ T10] netlink_rcv_skb+0x130/0x360 [ 5341.610113][ T10] netlink_unicast+0x449/0x710 [ 5341.610113][ T10] netlink_sendmsg+0x723/0xbe0 [ 5341.610113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5341.610113][ T10] ___sys_sendmsg+0xee/0x170 [ 5341.610113][ T10] __sys_sendmsg+0xcd/0x170 [ 5341.610113][ T10] do_syscall_64+0xc6/0x1e0 [ 5341.610113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5341.610113][ T10] [ 5341.612306][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5341.612538][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5341.612538][ T10] netdev_get_by_index+0x5e/0x80 [ 5341.612538][ T10] fib6_nh_init+0x3d8/0x1580 [ 5341.612538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5341.612538][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5341.612538][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5341.612538][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5341.612538][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5341.612538][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5341.612538][ T10] addrconf_dad_begin+0x310/0x670 [ 5341.612538][ T10] addrconf_dad_work+0x10b/0xab0 [ 5341.612538][ T10] process_one_work+0x84d/0x18a0 [ 5341.612538][ T10] worker_thread+0x587/0xd30 [ 5341.612538][ T10] kthread+0x28a/0x350 [ 5341.612538][ T10] ret_from_fork+0x31/0x70 [ 5341.612538][ T10] ret_from_fork_asm+0x1a/0x30 [ 5341.612538][ T10] [ 5341.614425][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5341.614425][ T10] netdev_get_by_index+0x5e/0x80 [ 5341.614425][ T10] fib6_nh_init+0x3d8/0x1580 [ 5341.614425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5341.614425][ T10] ip6_route_add+0x1c/0x140 [ 5341.614425][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5341.614425][ T10] inet6_addr_add+0x4f8/0xa40 [ 5341.614425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5341.614425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5341.614425][ T10] netlink_rcv_skb+0x130/0x360 [ 5341.614425][ T10] netlink_unicast+0x449/0x710 [ 5341.614425][ T10] netlink_sendmsg+0x723/0xbe0 [ 5341.614425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5341.614425][ T10] ___sys_sendmsg+0xee/0x170 [ 5341.614425][ T10] __sys_sendmsg+0xcd/0x170 [ 5341.614425][ T10] do_syscall_64+0xc6/0x1e0 [ 5341.614425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5341.614425][ T10] [ 5341.616454][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5341.616454][ T10] netdev_get_by_index+0x5e/0x80 [ 5341.616454][ T10] fib6_nh_init+0x3d8/0x1580 [ 5341.616454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5341.616454][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5341.616454][ T10] ipv6_add_addr+0x411/0x2000 [ 5341.616454][ T10] inet6_addr_add+0x30e/0xa40 [ 5341.616454][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5341.616454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5341.616454][ T10] netlink_rcv_skb+0x130/0x360 [ 5341.616454][ T10] netlink_unicast+0x449/0x710 [ 5341.616454][ T10] netlink_sendmsg+0x723/0xbe0 [ 5341.616454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5341.616454][ T10] ___sys_sendmsg+0xee/0x170 [ 5341.616454][ T10] __sys_sendmsg+0xcd/0x170 [ 5341.616454][ T10] do_syscall_64+0xc6/0x1e0 [ 5341.616454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5341.616454][ T10] [ 5341.618558][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5341.618558][ T10] netdev_get_by_index+0x5e/0x80 [ 5341.618558][ T10] fib6_nh_init+0x3d8/0x1580 [ 5341.618558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5341.618558][ T10] ip6_route_add+0x1c/0x140 [ 5341.618558][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5341.618558][ T10] addrconf_add_dev+0xe2/0x170 [ 5341.618558][ T10] inet6_addr_add+0x12f/0xa40 [ 5341.618558][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5341.618558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5341.618558][ T10] netlink_rcv_skb+0x130/0x360 [ 5341.618558][ T10] netlink_unicast+0x449/0x710 [ 5341.618558][ T10] netlink_sendmsg+0x723/0xbe0 [ 5341.618558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5341.618558][ T10] ___sys_sendmsg+0xee/0x170 [ 5341.618558][ T10] __sys_sendmsg+0xcd/0x170 [ 5341.618558][ T10] do_syscall_64+0xc6/0x1e0 [ 5341.618558][ T10] [ 5341.620625][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5341.620625][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5341.620625][ T10] ipv6_find_idev+0x102/0x170 [ 5341.620625][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5341.620625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5341.620625][ T10] netlink_rcv_skb+0x130/0x360 [ 5341.620625][ T10] netlink_unicast+0x449/0x710 [ 5341.620625][ T10] netlink_sendmsg+0x723/0xbe0 [ 5341.620625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5341.620625][ T10] ___sys_sendmsg+0xee/0x170 [ 5341.620625][ T10] __sys_sendmsg+0xcd/0x170 [ 5341.620625][ T10] do_syscall_64+0xc6/0x1e0 [ 5341.620625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5341.620625][ T10] [ 5341.622216][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5341.622216][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5341.622216][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5341.622216][ T10] ipv6_find_idev+0x102/0x170 [ 5341.622216][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5341.622216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5341.622216][ T10] netlink_rcv_skb+0x130/0x360 [ 5341.622216][ T10] netlink_unicast+0x449/0x710 [ 5341.622216][ T10] netlink_sendmsg+0x723/0xbe0 [ 5341.622216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5341.622216][ T10] ___sys_sendmsg+0xee/0x170 [ 5341.622216][ T10] __sys_sendmsg+0xcd/0x170 [ 5341.622216][ T10] do_syscall_64+0xc6/0x1e0 [ 5341.622216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5341.622216][ T10] [ 5343.905114][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5343.905576][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5343.905576][ T1167] dst_init+0x84/0x4a0 [ 5343.905576][ T1167] dst_alloc+0x97/0x150 [ 5343.905576][ T1167] ip6_dst_alloc+0x23/0x90 [ 5343.905576][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5343.905576][ T1167] ip6_pol_route+0x56f/0x840 [ 5343.905576][ T1167] fib6_rule_lookup+0x334/0x630 [ 5343.905576][ T1167] ip6_route_output_flags+0x259/0x480 [ 5343.905576][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5343.905576][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5343.905576][ T1167] netlink_rcv_skb+0x130/0x360 [ 5343.905576][ T1167] netlink_unicast+0x449/0x710 [ 5343.905576][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5343.905576][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5343.905576][ T1167] ___sys_sendmsg+0xee/0x170 [ 5343.905576][ T1167] __sys_sendmsg+0xcd/0x170 [ 5343.905576][ T1167] do_syscall_64+0xc6/0x1e0 [ 5343.905576][ T1167] [ 5343.907793][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5343.907793][ T1167] netdev_get_by_index+0x5e/0x80 [ 5343.907793][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5343.907793][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5343.907793][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5343.907793][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5343.907793][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5343.907793][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5343.907793][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5343.907793][ T1167] addrconf_dad_begin+0x310/0x670 [ 5343.907793][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5343.907793][ T1167] process_one_work+0x84d/0x18a0 [ 5343.907793][ T1167] worker_thread+0x587/0xd30 [ 5343.907793][ T1167] kthread+0x28a/0x350 [ 5343.907793][ T1167] ret_from_fork+0x31/0x70 [ 5343.907793][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5343.907793][ T1167] [ 5343.909928][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5343.909928][ T1167] netdev_get_by_index+0x5e/0x80 [ 5343.909928][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5343.909928][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5343.909928][ T1167] ip6_route_add+0x1c/0x140 [ 5343.909928][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5343.909928][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5343.909928][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5343.909928][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5343.909928][ T1167] netlink_rcv_skb+0x130/0x360 [ 5343.909928][ T1167] netlink_unicast+0x449/0x710 [ 5343.909928][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5343.909928][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5343.909928][ T1167] ___sys_sendmsg+0xee/0x170 [ 5343.909928][ T1167] __sys_sendmsg+0xcd/0x170 [ 5343.909928][ T1167] do_syscall_64+0xc6/0x1e0 [ 5343.909928][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5343.909928][ T1167] [ 5343.912172][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5343.912172][ T1167] netdev_get_by_index+0x5e/0x80 [ 5343.912172][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5343.912172][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5343.912172][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5343.912172][ T1167] ipv6_add_addr+0x411/0x2000 [ 5343.912172][ T1167] inet6_addr_add+0x30e/0xa40 [ 5343.912172][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5343.912172][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5343.912172][ T1167] netlink_rcv_skb+0x130/0x360 [ 5343.912172][ T1167] netlink_unicast+0x449/0x710 [ 5343.912172][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5343.912172][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5343.912172][ T1167] ___sys_sendmsg+0xee/0x170 [ 5343.912172][ T1167] __sys_sendmsg+0xcd/0x170 [ 5343.912172][ T1167] do_syscall_64+0xc6/0x1e0 [ 5343.912172][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5343.912172][ T1167] [ 5343.914506][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5343.914506][ T1167] netdev_get_by_index+0x5e/0x80 [ 5343.914506][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5343.914506][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5343.914506][ T1167] ip6_route_add+0x1c/0x140 [ 5343.914506][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5343.914506][ T1167] addrconf_add_dev+0xe2/0x170 [ 5343.914506][ T1167] inet6_addr_add+0x12f/0xa40 [ 5343.914506][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5343.914506][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5343.914506][ T1167] netlink_rcv_skb+0x130/0x360 [ 5343.914506][ T1167] netlink_unicast+0x449/0x710 [ 5343.914506][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5343.914506][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5343.914506][ T1167] ___sys_sendmsg+0xee/0x170 [ 5343.914506][ T1167] __sys_sendmsg+0xcd/0x170 [ 5343.914506][ T1167] do_syscall_64+0xc6/0x1e0 [ 5343.914506][ T1167] [ 5343.916705][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5343.916705][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5343.916705][ T1167] ipv6_find_idev+0x102/0x170 [ 5343.916705][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5343.916705][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5343.916705][ T1167] netlink_rcv_skb+0x130/0x360 [ 5343.916705][ T1167] netlink_unicast+0x449/0x710 [ 5343.916705][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5343.916705][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5343.916705][ T1167] ___sys_sendmsg+0xee/0x170 [ 5343.916705][ T1167] __sys_sendmsg+0xcd/0x170 [ 5343.916705][ T1167] do_syscall_64+0xc6/0x1e0 [ 5343.916705][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5343.916705][ T1167] [ 5343.918438][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5343.918438][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5343.918438][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5343.918438][ T1167] ipv6_find_idev+0x102/0x170 [ 5343.918438][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5343.918438][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5343.918438][ T1167] netlink_rcv_skb+0x130/0x360 [ 5343.918438][ T1167] netlink_unicast+0x449/0x710 [ 5343.918438][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5343.918438][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5343.918438][ T1167] ___sys_sendmsg+0xee/0x170 [ 5343.918438][ T1167] __sys_sendmsg+0xcd/0x170 [ 5343.918438][ T1167] do_syscall_64+0xc6/0x1e0 [ 5343.918438][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5343.918438][ T1167] [ 5351.713120][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5351.713546][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5351.713546][ T10] netdev_get_by_index+0x5e/0x80 [ 5351.713546][ T10] fib6_nh_init+0x3d8/0x1580 [ 5351.713546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5351.713546][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5351.713546][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5351.713546][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5351.713546][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5351.713546][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5351.713546][ T10] addrconf_dad_begin+0x310/0x670 [ 5351.713546][ T10] addrconf_dad_work+0x10b/0xab0 [ 5351.713546][ T10] process_one_work+0x84d/0x18a0 [ 5351.713546][ T10] worker_thread+0x587/0xd30 [ 5351.713546][ T10] kthread+0x28a/0x350 [ 5351.713546][ T10] ret_from_fork+0x31/0x70 [ 5351.713546][ T10] ret_from_fork_asm+0x1a/0x30 [ 5351.713546][ T10] [ 5351.715479][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5351.715479][ T10] netdev_get_by_index+0x5e/0x80 [ 5351.715479][ T10] fib6_nh_init+0x3d8/0x1580 [ 5351.715479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5351.715479][ T10] ip6_route_add+0x1c/0x140 [ 5351.715479][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5351.715479][ T10] inet6_addr_add+0x4f8/0xa40 [ 5351.715479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5351.715479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5351.715479][ T10] netlink_rcv_skb+0x130/0x360 [ 5351.715479][ T10] netlink_unicast+0x449/0x710 [ 5351.715479][ T10] netlink_sendmsg+0x723/0xbe0 [ 5351.715479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5351.715479][ T10] ___sys_sendmsg+0xee/0x170 [ 5351.715479][ T10] __sys_sendmsg+0xcd/0x170 [ 5351.715479][ T10] do_syscall_64+0xc6/0x1e0 [ 5351.715479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5351.715479][ T10] [ 5351.717475][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5351.717475][ T10] netdev_get_by_index+0x5e/0x80 [ 5351.717475][ T10] fib6_nh_init+0x3d8/0x1580 [ 5351.717475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5351.717475][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5351.717475][ T10] ipv6_add_addr+0x411/0x2000 [ 5351.717475][ T10] inet6_addr_add+0x30e/0xa40 [ 5351.717475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5351.717475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5351.717475][ T10] netlink_rcv_skb+0x130/0x360 [ 5351.717475][ T10] netlink_unicast+0x449/0x710 [ 5351.717475][ T10] netlink_sendmsg+0x723/0xbe0 [ 5351.717475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5351.717475][ T10] ___sys_sendmsg+0xee/0x170 [ 5351.717475][ T10] __sys_sendmsg+0xcd/0x170 [ 5351.717475][ T10] do_syscall_64+0xc6/0x1e0 [ 5351.717475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5351.717475][ T10] [ 5351.719503][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5351.719503][ T10] netdev_get_by_index+0x5e/0x80 [ 5351.719503][ T10] fib6_nh_init+0x3d8/0x1580 [ 5351.719503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5351.719503][ T10] ip6_route_add+0x1c/0x140 [ 5351.719503][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5351.719503][ T10] addrconf_add_dev+0xe2/0x170 [ 5351.719503][ T10] inet6_addr_add+0x12f/0xa40 [ 5351.719503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5351.719503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5351.719503][ T10] netlink_rcv_skb+0x130/0x360 [ 5351.719503][ T10] netlink_unicast+0x449/0x710 [ 5351.719503][ T10] netlink_sendmsg+0x723/0xbe0 [ 5351.719503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5351.719503][ T10] ___sys_sendmsg+0xee/0x170 [ 5351.719503][ T10] __sys_sendmsg+0xcd/0x170 [ 5351.719503][ T10] do_syscall_64+0xc6/0x1e0 [ 5351.719503][ T10] [ 5351.721463][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5351.721463][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5351.721463][ T10] ipv6_find_idev+0x102/0x170 [ 5351.721463][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5351.721463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5351.721463][ T10] netlink_rcv_skb+0x130/0x360 [ 5351.721463][ T10] netlink_unicast+0x449/0x710 [ 5351.721463][ T10] netlink_sendmsg+0x723/0xbe0 [ 5351.721463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5351.721463][ T10] ___sys_sendmsg+0xee/0x170 [ 5351.721463][ T10] __sys_sendmsg+0xcd/0x170 [ 5351.721463][ T10] do_syscall_64+0xc6/0x1e0 [ 5351.721463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5351.721463][ T10] [ 5351.723012][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5351.723012][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5351.723012][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5351.723012][ T10] ipv6_find_idev+0x102/0x170 [ 5351.723012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5351.723012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5351.723012][ T10] netlink_rcv_skb+0x130/0x360 [ 5351.723012][ T10] netlink_unicast+0x449/0x710 [ 5351.723012][ T10] netlink_sendmsg+0x723/0xbe0 [ 5351.723012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5351.723012][ T10] ___sys_sendmsg+0xee/0x170 [ 5351.723012][ T10] __sys_sendmsg+0xcd/0x170 [ 5351.723012][ T10] do_syscall_64+0xc6/0x1e0 [ 5351.723012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5351.723012][ T10] [ 5351.724691][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5351.724938][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5351.724938][ T10] netdev_get_by_index+0x5e/0x80 [ 5351.724938][ T10] fib6_nh_init+0x3d8/0x1580 [ 5351.724938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5351.724938][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5351.724938][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5351.724938][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5351.724938][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5351.724938][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5351.724938][ T10] addrconf_dad_begin+0x310/0x670 [ 5351.724938][ T10] addrconf_dad_work+0x10b/0xab0 [ 5351.724938][ T10] process_one_work+0x84d/0x18a0 [ 5351.724938][ T10] worker_thread+0x587/0xd30 [ 5351.724938][ T10] kthread+0x28a/0x350 [ 5351.724938][ T10] ret_from_fork+0x31/0x70 [ 5351.724938][ T10] ret_from_fork_asm+0x1a/0x30 [ 5351.724938][ T10] [ 5351.726855][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5351.726855][ T10] netdev_get_by_index+0x5e/0x80 [ 5351.726855][ T10] fib6_nh_init+0x3d8/0x1580 [ 5351.726855][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5351.726855][ T10] ip6_route_add+0x1c/0x140 [ 5351.726855][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5351.726855][ T10] inet6_addr_add+0x4f8/0xa40 [ 5351.726855][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5351.726855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5351.726855][ T10] netlink_rcv_skb+0x130/0x360 [ 5351.726855][ T10] netlink_unicast+0x449/0x710 [ 5351.726855][ T10] netlink_sendmsg+0x723/0xbe0 [ 5351.726855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5351.726855][ T10] ___sys_sendmsg+0xee/0x170 [ 5351.726855][ T10] __sys_sendmsg+0xcd/0x170 [ 5351.726855][ T10] do_syscall_64+0xc6/0x1e0 [ 5351.726855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5351.726855][ T10] [ 5351.728833][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5351.728833][ T10] netdev_get_by_index+0x5e/0x80 [ 5351.728833][ T10] fib6_nh_init+0x3d8/0x1580 [ 5351.728833][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5351.728833][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5351.728833][ T10] ipv6_add_addr+0x411/0x2000 [ 5351.728833][ T10] inet6_addr_add+0x30e/0xa40 [ 5351.728833][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5351.728833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5351.728833][ T10] netlink_rcv_skb+0x130/0x360 [ 5351.728833][ T10] netlink_unicast+0x449/0x710 [ 5351.728833][ T10] netlink_sendmsg+0x723/0xbe0 [ 5351.728833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5351.728833][ T10] ___sys_sendmsg+0xee/0x170 [ 5351.728833][ T10] __sys_sendmsg+0xcd/0x170 [ 5351.728833][ T10] do_syscall_64+0xc6/0x1e0 [ 5351.728833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5351.728833][ T10] [ 5351.730819][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5351.730819][ T10] netdev_get_by_index+0x5e/0x80 [ 5351.730819][ T10] fib6_nh_init+0x3d8/0x1580 [ 5351.730819][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5351.730819][ T10] ip6_route_add+0x1c/0x140 [ 5351.730819][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5351.730819][ T10] addrconf_add_dev+0xe2/0x170 [ 5351.730819][ T10] inet6_addr_add+0x12f/0xa40 [ 5351.730819][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5351.730819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5351.730819][ T10] netlink_rcv_skb+0x130/0x360 [ 5351.730819][ T10] netlink_unicast+0x449/0x710 [ 5351.730819][ T10] netlink_sendmsg+0x723/0xbe0 [ 5351.730819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5351.730819][ T10] ___sys_sendmsg+0xee/0x170 [ 5351.730819][ T10] __sys_sendmsg+0xcd/0x170 [ 5351.730819][ T10] do_syscall_64+0xc6/0x1e0 [ 5351.730819][ T10] [ 5351.732772][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5351.732772][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5351.732772][ T10] ipv6_find_idev+0x102/0x170 [ 5351.732772][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5351.732772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5351.732772][ T10] netlink_rcv_skb+0x130/0x360 [ 5351.732772][ T10] netlink_unicast+0x449/0x710 [ 5351.732772][ T10] netlink_sendmsg+0x723/0xbe0 [ 5351.732772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5351.732772][ T10] ___sys_sendmsg+0xee/0x170 [ 5351.732772][ T10] __sys_sendmsg+0xcd/0x170 [ 5351.732772][ T10] do_syscall_64+0xc6/0x1e0 [ 5351.732772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5351.732772][ T10] [ 5351.734299][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5351.734299][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5351.734299][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5351.734299][ T10] ipv6_find_idev+0x102/0x170 [ 5351.734299][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5351.734299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5351.734299][ T10] netlink_rcv_skb+0x130/0x360 [ 5351.734299][ T10] netlink_unicast+0x449/0x710 [ 5351.734299][ T10] netlink_sendmsg+0x723/0xbe0 [ 5351.734299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5351.734299][ T10] ___sys_sendmsg+0xee/0x170 [ 5351.734299][ T10] __sys_sendmsg+0xcd/0x170 [ 5351.734299][ T10] do_syscall_64+0xc6/0x1e0 [ 5351.734299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5351.734299][ T10] [ 5351.735961][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5351.736211][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5351.736211][ T10] netdev_get_by_index+0x5e/0x80 [ 5351.736211][ T10] fib6_nh_init+0x3d8/0x1580 [ 5351.736211][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5351.736211][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5351.736211][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5351.736211][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5351.736211][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5351.736211][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5351.736211][ T10] addrconf_dad_begin+0x310/0x670 [ 5351.736211][ T10] addrconf_dad_work+0x10b/0xab0 [ 5351.736211][ T10] process_one_work+0x84d/0x18a0 [ 5351.736211][ T10] worker_thread+0x587/0xd30 [ 5351.736211][ T10] kthread+0x28a/0x350 [ 5351.736211][ T10] ret_from_fork+0x31/0x70 [ 5351.736211][ T10] ret_from_fork_asm+0x1a/0x30 [ 5351.736211][ T10] [ 5351.738097][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5351.738097][ T10] netdev_get_by_index+0x5e/0x80 [ 5351.738097][ T10] fib6_nh_init+0x3d8/0x1580 [ 5351.738097][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5351.738097][ T10] ip6_route_add+0x1c/0x140 [ 5351.738097][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5351.738097][ T10] inet6_addr_add+0x4f8/0xa40 [ 5351.738097][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5351.738097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5351.738097][ T10] netlink_rcv_skb+0x130/0x360 [ 5351.738097][ T10] netlink_unicast+0x449/0x710 [ 5351.738097][ T10] netlink_sendmsg+0x723/0xbe0 [ 5351.738097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5351.738097][ T10] ___sys_sendmsg+0xee/0x170 [ 5351.738097][ T10] __sys_sendmsg+0xcd/0x170 [ 5351.738097][ T10] do_syscall_64+0xc6/0x1e0 [ 5351.738097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5351.738097][ T10] [ 5351.740251][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5351.740251][ T10] netdev_get_by_index+0x5e/0x80 [ 5351.740251][ T10] fib6_nh_init+0x3d8/0x1580 [ 5351.740251][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5351.740251][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5351.740251][ T10] ipv6_add_addr+0x411/0x2000 [ 5351.740251][ T10] inet6_addr_add+0x30e/0xa40 [ 5351.740251][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5351.740251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5351.740251][ T10] netlink_rcv_skb+0x130/0x360 [ 5351.740251][ T10] netlink_unicast+0x449/0x710 [ 5351.740251][ T10] netlink_sendmsg+0x723/0xbe0 [ 5351.740251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5351.740251][ T10] ___sys_sendmsg+0xee/0x170 [ 5351.740251][ T10] __sys_sendmsg+0xcd/0x170 [ 5351.740251][ T10] do_syscall_64+0xc6/0x1e0 [ 5351.740251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5351.740251][ T10] [ 5351.742664][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5351.742664][ T10] netdev_get_by_index+0x5e/0x80 [ 5351.742664][ T10] fib6_nh_init+0x3d8/0x1580 [ 5351.742664][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5351.742664][ T10] ip6_route_add+0x1c/0x140 [ 5351.742664][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5351.742664][ T10] addrconf_add_dev+0xe2/0x170 [ 5351.742664][ T10] inet6_addr_add+0x12f/0xa40 [ 5351.742664][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5351.742664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5351.742664][ T10] netlink_rcv_skb+0x130/0x360 [ 5351.742664][ T10] netlink_unicast+0x449/0x710 [ 5351.742664][ T10] netlink_sendmsg+0x723/0xbe0 [ 5351.742664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5351.742664][ T10] ___sys_sendmsg+0xee/0x170 [ 5351.742664][ T10] __sys_sendmsg+0xcd/0x170 [ 5351.742664][ T10] do_syscall_64+0xc6/0x1e0 [ 5351.742664][ T10] [ 5351.745396][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5351.745396][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5351.745396][ T10] ipv6_find_idev+0x102/0x170 [ 5351.745396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5351.745396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5351.745396][ T10] netlink_rcv_skb+0x130/0x360 [ 5351.745396][ T10] netlink_unicast+0x449/0x710 [ 5351.745396][ T10] netlink_sendmsg+0x723/0xbe0 [ 5351.745396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5351.745396][ T10] ___sys_sendmsg+0xee/0x170 [ 5351.745396][ T10] __sys_sendmsg+0xcd/0x170 [ 5351.745396][ T10] do_syscall_64+0xc6/0x1e0 [ 5351.745396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5351.745396][ T10] [ 5351.747103][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5351.747103][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5351.747103][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5351.747103][ T10] ipv6_find_idev+0x102/0x170 [ 5351.747103][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5351.747103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5351.747103][ T10] netlink_rcv_skb+0x130/0x360 [ 5351.747103][ T10] netlink_unicast+0x449/0x710 [ 5351.747103][ T10] netlink_sendmsg+0x723/0xbe0 [ 5351.747103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5351.747103][ T10] ___sys_sendmsg+0xee/0x170 [ 5351.747103][ T10] __sys_sendmsg+0xcd/0x170 [ 5351.747103][ T10] do_syscall_64+0xc6/0x1e0 [ 5351.747103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5351.747103][ T10] [ 5351.751228][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5351.751471][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5351.751471][ T10] netdev_get_by_index+0x5e/0x80 [ 5351.751471][ T10] fib6_nh_init+0x3d8/0x1580 [ 5351.751471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5351.751471][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5351.751471][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5351.751471][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5351.751471][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5351.751471][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5351.751471][ T10] addrconf_dad_begin+0x310/0x670 [ 5351.751471][ T10] addrconf_dad_work+0x10b/0xab0 [ 5351.751471][ T10] process_one_work+0x84d/0x18a0 [ 5351.751471][ T10] worker_thread+0x587/0xd30 [ 5351.751471][ T10] kthread+0x28a/0x350 [ 5351.751471][ T10] ret_from_fork+0x31/0x70 [ 5351.751471][ T10] ret_from_fork_asm+0x1a/0x30 [ 5351.751471][ T10] [ 5351.753702][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5351.753702][ T10] netdev_get_by_index+0x5e/0x80 [ 5351.753702][ T10] fib6_nh_init+0x3d8/0x1580 [ 5351.753702][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5351.753702][ T10] ip6_route_add+0x1c/0x140 [ 5351.753702][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5351.753702][ T10] inet6_addr_add+0x4f8/0xa40 [ 5351.753702][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5351.753702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5351.753702][ T10] netlink_rcv_skb+0x130/0x360 [ 5351.753702][ T10] netlink_unicast+0x449/0x710 [ 5351.753702][ T10] netlink_sendmsg+0x723/0xbe0 [ 5351.753702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5351.753702][ T10] ___sys_sendmsg+0xee/0x170 [ 5351.753702][ T10] __sys_sendmsg+0xcd/0x170 [ 5351.753702][ T10] do_syscall_64+0xc6/0x1e0 [ 5351.753702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5351.753702][ T10] [ 5351.755932][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5351.755932][ T10] netdev_get_by_index+0x5e/0x80 [ 5351.755932][ T10] fib6_nh_init+0x3d8/0x1580 [ 5351.755932][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5351.755932][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5351.755932][ T10] ipv6_add_addr+0x411/0x2000 [ 5351.755932][ T10] inet6_addr_add+0x30e/0xa40 [ 5351.755932][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5351.755932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5351.755932][ T10] netlink_rcv_skb+0x130/0x360 [ 5351.755932][ T10] netlink_unicast+0x449/0x710 [ 5351.755932][ T10] netlink_sendmsg+0x723/0xbe0 [ 5351.755932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5351.755932][ T10] ___sys_sendmsg+0xee/0x170 [ 5351.755932][ T10] __sys_sendmsg+0xcd/0x170 [ 5351.755932][ T10] do_syscall_64+0xc6/0x1e0 [ 5351.755932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5351.755932][ T10] [ 5351.758162][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5351.758162][ T10] netdev_get_by_index+0x5e/0x80 [ 5351.758162][ T10] fib6_nh_init+0x3d8/0x1580 [ 5351.758162][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5351.758162][ T10] ip6_route_add+0x1c/0x140 [ 5351.758162][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5351.758162][ T10] addrconf_add_dev+0xe2/0x170 [ 5351.758162][ T10] inet6_addr_add+0x12f/0xa40 [ 5351.758162][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5351.758162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5351.758162][ T10] netlink_rcv_skb+0x130/0x360 [ 5351.758162][ T10] netlink_unicast+0x449/0x710 [ 5351.758162][ T10] netlink_sendmsg+0x723/0xbe0 [ 5351.758162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5351.758162][ T10] ___sys_sendmsg+0xee/0x170 [ 5351.758162][ T10] __sys_sendmsg+0xcd/0x170 [ 5351.758162][ T10] do_syscall_64+0xc6/0x1e0 [ 5351.758162][ T10] [ 5351.761660][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5351.761660][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5351.761660][ T10] ipv6_find_idev+0x102/0x170 [ 5351.761660][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5351.761660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5351.761660][ T10] netlink_rcv_skb+0x130/0x360 [ 5351.761660][ T10] netlink_unicast+0x449/0x710 [ 5351.761660][ T10] netlink_sendmsg+0x723/0xbe0 [ 5351.761660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5351.761660][ T10] ___sys_sendmsg+0xee/0x170 [ 5351.761660][ T10] __sys_sendmsg+0xcd/0x170 [ 5351.761660][ T10] do_syscall_64+0xc6/0x1e0 [ 5351.761660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5351.761660][ T10] [ 5351.763400][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5351.763400][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5351.763400][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5351.763400][ T10] ipv6_find_idev+0x102/0x170 [ 5351.763400][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5351.763400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5351.763400][ T10] netlink_rcv_skb+0x130/0x360 [ 5351.763400][ T10] netlink_unicast+0x449/0x710 [ 5351.763400][ T10] netlink_sendmsg+0x723/0xbe0 [ 5351.763400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5351.763400][ T10] ___sys_sendmsg+0xee/0x170 [ 5351.763400][ T10] __sys_sendmsg+0xcd/0x170 [ 5351.763400][ T10] do_syscall_64+0xc6/0x1e0 [ 5351.763400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5351.763400][ T10] [ 5354.017104][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5354.017587][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5354.017587][ T1167] dst_init+0x84/0x4a0 [ 5354.017587][ T1167] dst_alloc+0x97/0x150 [ 5354.017587][ T1167] ip6_dst_alloc+0x23/0x90 [ 5354.017587][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5354.017587][ T1167] ip6_pol_route+0x56f/0x840 [ 5354.017587][ T1167] fib6_rule_lookup+0x334/0x630 [ 5354.017587][ T1167] ip6_route_output_flags+0x259/0x480 [ 5354.017587][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5354.017587][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5354.017587][ T1167] netlink_rcv_skb+0x130/0x360 [ 5354.017587][ T1167] netlink_unicast+0x449/0x710 [ 5354.017587][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5354.017587][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5354.017587][ T1167] ___sys_sendmsg+0xee/0x170 [ 5354.017587][ T1167] __sys_sendmsg+0xcd/0x170 [ 5354.017587][ T1167] do_syscall_64+0xc6/0x1e0 [ 5354.017587][ T1167] [ 5354.019811][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5354.019811][ T1167] netdev_get_by_index+0x5e/0x80 [ 5354.019811][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5354.019811][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5354.019811][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5354.019811][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5354.019811][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5354.019811][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5354.019811][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5354.019811][ T1167] addrconf_dad_begin+0x310/0x670 [ 5354.019811][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5354.019811][ T1167] process_one_work+0x84d/0x18a0 [ 5354.019811][ T1167] worker_thread+0x587/0xd30 [ 5354.019811][ T1167] kthread+0x28a/0x350 [ 5354.019811][ T1167] ret_from_fork+0x31/0x70 [ 5354.019811][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5354.019811][ T1167] [ 5354.022005][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5354.022005][ T1167] netdev_get_by_index+0x5e/0x80 [ 5354.022005][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5354.022005][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5354.022005][ T1167] ip6_route_add+0x1c/0x140 [ 5354.022005][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5354.022005][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5354.022005][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5354.022005][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5354.022005][ T1167] netlink_rcv_skb+0x130/0x360 [ 5354.022005][ T1167] netlink_unicast+0x449/0x710 [ 5354.022005][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5354.022005][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5354.022005][ T1167] ___sys_sendmsg+0xee/0x170 [ 5354.022005][ T1167] __sys_sendmsg+0xcd/0x170 [ 5354.022005][ T1167] do_syscall_64+0xc6/0x1e0 [ 5354.022005][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5354.022005][ T1167] [ 5354.024316][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5354.024316][ T1167] netdev_get_by_index+0x5e/0x80 [ 5354.024316][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5354.024316][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5354.024316][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5354.024316][ T1167] ipv6_add_addr+0x411/0x2000 [ 5354.024316][ T1167] inet6_addr_add+0x30e/0xa40 [ 5354.024316][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5354.024316][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5354.024316][ T1167] netlink_rcv_skb+0x130/0x360 [ 5354.024316][ T1167] netlink_unicast+0x449/0x710 [ 5354.024316][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5354.024316][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5354.024316][ T1167] ___sys_sendmsg+0xee/0x170 [ 5354.024316][ T1167] __sys_sendmsg+0xcd/0x170 [ 5354.024316][ T1167] do_syscall_64+0xc6/0x1e0 [ 5354.024316][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5354.024316][ T1167] [ 5354.026606][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5354.026606][ T1167] netdev_get_by_index+0x5e/0x80 [ 5354.026606][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5354.026606][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5354.026606][ T1167] ip6_route_add+0x1c/0x140 [ 5354.026606][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5354.026606][ T1167] addrconf_add_dev+0xe2/0x170 [ 5354.026606][ T1167] inet6_addr_add+0x12f/0xa40 [ 5354.026606][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5354.026606][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5354.026606][ T1167] netlink_rcv_skb+0x130/0x360 [ 5354.026606][ T1167] netlink_unicast+0x449/0x710 [ 5354.026606][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5354.026606][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5354.026606][ T1167] ___sys_sendmsg+0xee/0x170 [ 5354.026606][ T1167] __sys_sendmsg+0xcd/0x170 [ 5354.026606][ T1167] do_syscall_64+0xc6/0x1e0 [ 5354.026606][ T1167] [ 5354.028850][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5354.028850][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5354.028850][ T1167] ipv6_find_idev+0x102/0x170 [ 5354.028850][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5354.028850][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5354.028850][ T1167] netlink_rcv_skb+0x130/0x360 [ 5354.028850][ T1167] netlink_unicast+0x449/0x710 [ 5354.028850][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5354.028850][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5354.028850][ T1167] ___sys_sendmsg+0xee/0x170 [ 5354.028850][ T1167] __sys_sendmsg+0xcd/0x170 [ 5354.028850][ T1167] do_syscall_64+0xc6/0x1e0 [ 5354.028850][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5354.028850][ T1167] [ 5354.034800][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5354.034800][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5354.034800][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5354.034800][ T1167] ipv6_find_idev+0x102/0x170 [ 5354.034800][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5354.034800][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5354.034800][ T1167] netlink_rcv_skb+0x130/0x360 [ 5354.034800][ T1167] netlink_unicast+0x449/0x710 [ 5354.034800][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5354.034800][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5354.034800][ T1167] ___sys_sendmsg+0xee/0x170 [ 5354.034800][ T1167] __sys_sendmsg+0xcd/0x170 [ 5354.034800][ T1167] do_syscall_64+0xc6/0x1e0 [ 5354.034800][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5354.034800][ T1167] [ 5362.001108][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5362.001526][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5362.001526][ T10] netdev_get_by_index+0x5e/0x80 [ 5362.001526][ T10] fib6_nh_init+0x3d8/0x1580 [ 5362.001526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5362.001526][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5362.001526][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5362.001526][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5362.001526][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5362.001526][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5362.001526][ T10] addrconf_dad_begin+0x310/0x670 [ 5362.001526][ T10] addrconf_dad_work+0x10b/0xab0 [ 5362.001526][ T10] process_one_work+0x84d/0x18a0 [ 5362.001526][ T10] worker_thread+0x587/0xd30 [ 5362.001526][ T10] kthread+0x28a/0x350 [ 5362.001526][ T10] ret_from_fork+0x31/0x70 [ 5362.001526][ T10] ret_from_fork_asm+0x1a/0x30 [ 5362.001526][ T10] [ 5362.003472][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5362.003472][ T10] netdev_get_by_index+0x5e/0x80 [ 5362.003472][ T10] fib6_nh_init+0x3d8/0x1580 [ 5362.003472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5362.003472][ T10] ip6_route_add+0x1c/0x140 [ 5362.003472][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5362.003472][ T10] inet6_addr_add+0x4f8/0xa40 [ 5362.003472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5362.003472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5362.003472][ T10] netlink_rcv_skb+0x130/0x360 [ 5362.003472][ T10] netlink_unicast+0x449/0x710 [ 5362.003472][ T10] netlink_sendmsg+0x723/0xbe0 [ 5362.003472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5362.003472][ T10] ___sys_sendmsg+0xee/0x170 [ 5362.003472][ T10] __sys_sendmsg+0xcd/0x170 [ 5362.003472][ T10] do_syscall_64+0xc6/0x1e0 [ 5362.003472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5362.003472][ T10] [ 5362.005480][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5362.005480][ T10] netdev_get_by_index+0x5e/0x80 [ 5362.005480][ T10] fib6_nh_init+0x3d8/0x1580 [ 5362.005480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5362.005480][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5362.005480][ T10] ipv6_add_addr+0x411/0x2000 [ 5362.005480][ T10] inet6_addr_add+0x30e/0xa40 [ 5362.005480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5362.005480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5362.005480][ T10] netlink_rcv_skb+0x130/0x360 [ 5362.005480][ T10] netlink_unicast+0x449/0x710 [ 5362.005480][ T10] netlink_sendmsg+0x723/0xbe0 [ 5362.005480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5362.005480][ T10] ___sys_sendmsg+0xee/0x170 [ 5362.005480][ T10] __sys_sendmsg+0xcd/0x170 [ 5362.005480][ T10] do_syscall_64+0xc6/0x1e0 [ 5362.005480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5362.005480][ T10] [ 5362.007485][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5362.007485][ T10] netdev_get_by_index+0x5e/0x80 [ 5362.007485][ T10] fib6_nh_init+0x3d8/0x1580 [ 5362.007485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5362.007485][ T10] ip6_route_add+0x1c/0x140 [ 5362.007485][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5362.007485][ T10] addrconf_add_dev+0xe2/0x170 [ 5362.007485][ T10] inet6_addr_add+0x12f/0xa40 [ 5362.007485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5362.007485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5362.007485][ T10] netlink_rcv_skb+0x130/0x360 [ 5362.007485][ T10] netlink_unicast+0x449/0x710 [ 5362.007485][ T10] netlink_sendmsg+0x723/0xbe0 [ 5362.007485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5362.007485][ T10] ___sys_sendmsg+0xee/0x170 [ 5362.007485][ T10] __sys_sendmsg+0xcd/0x170 [ 5362.007485][ T10] do_syscall_64+0xc6/0x1e0 [ 5362.007485][ T10] [ 5362.009456][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5362.009456][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5362.009456][ T10] ipv6_find_idev+0x102/0x170 [ 5362.009456][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5362.009456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5362.009456][ T10] netlink_rcv_skb+0x130/0x360 [ 5362.009456][ T10] netlink_unicast+0x449/0x710 [ 5362.009456][ T10] netlink_sendmsg+0x723/0xbe0 [ 5362.009456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5362.009456][ T10] ___sys_sendmsg+0xee/0x170 [ 5362.009456][ T10] __sys_sendmsg+0xcd/0x170 [ 5362.009456][ T10] do_syscall_64+0xc6/0x1e0 [ 5362.009456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5362.009456][ T10] [ 5362.010998][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5362.010998][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5362.010998][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5362.010998][ T10] ipv6_find_idev+0x102/0x170 [ 5362.010998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5362.010998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5362.010998][ T10] netlink_rcv_skb+0x130/0x360 [ 5362.010998][ T10] netlink_unicast+0x449/0x710 [ 5362.010998][ T10] netlink_sendmsg+0x723/0xbe0 [ 5362.010998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5362.010998][ T10] ___sys_sendmsg+0xee/0x170 [ 5362.010998][ T10] __sys_sendmsg+0xcd/0x170 [ 5362.010998][ T10] do_syscall_64+0xc6/0x1e0 [ 5362.010998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5362.010998][ T10] [ 5362.012691][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5362.012948][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5362.012948][ T10] netdev_get_by_index+0x5e/0x80 [ 5362.012948][ T10] fib6_nh_init+0x3d8/0x1580 [ 5362.012948][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5362.012948][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5362.012948][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5362.012948][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5362.012948][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5362.012948][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5362.012948][ T10] addrconf_dad_begin+0x310/0x670 [ 5362.012948][ T10] addrconf_dad_work+0x10b/0xab0 [ 5362.012948][ T10] process_one_work+0x84d/0x18a0 [ 5362.012948][ T10] worker_thread+0x587/0xd30 [ 5362.012948][ T10] kthread+0x28a/0x350 [ 5362.012948][ T10] ret_from_fork+0x31/0x70 [ 5362.012948][ T10] ret_from_fork_asm+0x1a/0x30 [ 5362.012948][ T10] [ 5362.014874][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5362.014874][ T10] netdev_get_by_index+0x5e/0x80 [ 5362.014874][ T10] fib6_nh_init+0x3d8/0x1580 [ 5362.014874][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5362.014874][ T10] ip6_route_add+0x1c/0x140 [ 5362.014874][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5362.014874][ T10] inet6_addr_add+0x4f8/0xa40 [ 5362.014874][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5362.014874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5362.014874][ T10] netlink_rcv_skb+0x130/0x360 [ 5362.014874][ T10] netlink_unicast+0x449/0x710 [ 5362.014874][ T10] netlink_sendmsg+0x723/0xbe0 [ 5362.014874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5362.014874][ T10] ___sys_sendmsg+0xee/0x170 [ 5362.014874][ T10] __sys_sendmsg+0xcd/0x170 [ 5362.014874][ T10] do_syscall_64+0xc6/0x1e0 [ 5362.014874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5362.014874][ T10] [ 5362.016859][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5362.016859][ T10] netdev_get_by_index+0x5e/0x80 [ 5362.016859][ T10] fib6_nh_init+0x3d8/0x1580 [ 5362.016859][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5362.016859][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5362.016859][ T10] ipv6_add_addr+0x411/0x2000 [ 5362.016859][ T10] inet6_addr_add+0x30e/0xa40 [ 5362.016859][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5362.016859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5362.016859][ T10] netlink_rcv_skb+0x130/0x360 [ 5362.016859][ T10] netlink_unicast+0x449/0x710 [ 5362.016859][ T10] netlink_sendmsg+0x723/0xbe0 [ 5362.016859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5362.016859][ T10] ___sys_sendmsg+0xee/0x170 [ 5362.016859][ T10] __sys_sendmsg+0xcd/0x170 [ 5362.016859][ T10] do_syscall_64+0xc6/0x1e0 [ 5362.016859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5362.016859][ T10] [ 5362.018863][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5362.018863][ T10] netdev_get_by_index+0x5e/0x80 [ 5362.018863][ T10] fib6_nh_init+0x3d8/0x1580 [ 5362.018863][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5362.018863][ T10] ip6_route_add+0x1c/0x140 [ 5362.018863][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5362.018863][ T10] addrconf_add_dev+0xe2/0x170 [ 5362.018863][ T10] inet6_addr_add+0x12f/0xa40 [ 5362.018863][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5362.018863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5362.018863][ T10] netlink_rcv_skb+0x130/0x360 [ 5362.018863][ T10] netlink_unicast+0x449/0x710 [ 5362.018863][ T10] netlink_sendmsg+0x723/0xbe0 [ 5362.018863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5362.018863][ T10] ___sys_sendmsg+0xee/0x170 [ 5362.018863][ T10] __sys_sendmsg+0xcd/0x170 [ 5362.018863][ T10] do_syscall_64+0xc6/0x1e0 [ 5362.018863][ T10] [ 5362.020828][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5362.020828][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5362.020828][ T10] ipv6_find_idev+0x102/0x170 [ 5362.020828][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5362.020828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5362.020828][ T10] netlink_rcv_skb+0x130/0x360 [ 5362.020828][ T10] netlink_unicast+0x449/0x710 [ 5362.020828][ T10] netlink_sendmsg+0x723/0xbe0 [ 5362.020828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5362.020828][ T10] ___sys_sendmsg+0xee/0x170 [ 5362.020828][ T10] __sys_sendmsg+0xcd/0x170 [ 5362.020828][ T10] do_syscall_64+0xc6/0x1e0 [ 5362.020828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5362.020828][ T10] [ 5362.024451][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5362.024451][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5362.024451][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5362.024451][ T10] ipv6_find_idev+0x102/0x170 [ 5362.024451][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5362.024451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5362.024451][ T10] netlink_rcv_skb+0x130/0x360 [ 5362.024451][ T10] netlink_unicast+0x449/0x710 [ 5362.024451][ T10] netlink_sendmsg+0x723/0xbe0 [ 5362.024451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5362.024451][ T10] ___sys_sendmsg+0xee/0x170 [ 5362.024451][ T10] __sys_sendmsg+0xcd/0x170 [ 5362.024451][ T10] do_syscall_64+0xc6/0x1e0 [ 5362.024451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5362.024451][ T10] [ 5362.026143][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5362.026395][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5362.026395][ T10] netdev_get_by_index+0x5e/0x80 [ 5362.026395][ T10] fib6_nh_init+0x3d8/0x1580 [ 5362.026395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5362.026395][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5362.026395][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5362.026395][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5362.026395][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5362.026395][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5362.026395][ T10] addrconf_dad_begin+0x310/0x670 [ 5362.026395][ T10] addrconf_dad_work+0x10b/0xab0 [ 5362.026395][ T10] process_one_work+0x84d/0x18a0 [ 5362.026395][ T10] worker_thread+0x587/0xd30 [ 5362.026395][ T10] kthread+0x28a/0x350 [ 5362.026395][ T10] ret_from_fork+0x31/0x70 [ 5362.026395][ T10] ret_from_fork_asm+0x1a/0x30 [ 5362.026395][ T10] [ 5362.028303][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5362.028303][ T10] netdev_get_by_index+0x5e/0x80 [ 5362.028303][ T10] fib6_nh_init+0x3d8/0x1580 [ 5362.028303][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5362.028303][ T10] ip6_route_add+0x1c/0x140 [ 5362.028303][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5362.028303][ T10] inet6_addr_add+0x4f8/0xa40 [ 5362.028303][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5362.028303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5362.028303][ T10] netlink_rcv_skb+0x130/0x360 [ 5362.028303][ T10] netlink_unicast+0x449/0x710 [ 5362.028303][ T10] netlink_sendmsg+0x723/0xbe0 [ 5362.028303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5362.028303][ T10] ___sys_sendmsg+0xee/0x170 [ 5362.028303][ T10] __sys_sendmsg+0xcd/0x170 [ 5362.028303][ T10] do_syscall_64+0xc6/0x1e0 [ 5362.028303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5362.028303][ T10] [ 5362.030491][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5362.030491][ T10] netdev_get_by_index+0x5e/0x80 [ 5362.030491][ T10] fib6_nh_init+0x3d8/0x1580 [ 5362.030491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5362.030491][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5362.030491][ T10] ipv6_add_addr+0x411/0x2000 [ 5362.030491][ T10] inet6_addr_add+0x30e/0xa40 [ 5362.030491][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5362.030491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5362.030491][ T10] netlink_rcv_skb+0x130/0x360 [ 5362.030491][ T10] netlink_unicast+0x449/0x710 [ 5362.030491][ T10] netlink_sendmsg+0x723/0xbe0 [ 5362.030491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5362.030491][ T10] ___sys_sendmsg+0xee/0x170 [ 5362.030491][ T10] __sys_sendmsg+0xcd/0x170 [ 5362.030491][ T10] do_syscall_64+0xc6/0x1e0 [ 5362.030491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5362.030491][ T10] [ 5362.032735][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5362.032735][ T10] netdev_get_by_index+0x5e/0x80 [ 5362.032735][ T10] fib6_nh_init+0x3d8/0x1580 [ 5362.032735][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5362.032735][ T10] ip6_route_add+0x1c/0x140 [ 5362.032735][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5362.032735][ T10] addrconf_add_dev+0xe2/0x170 [ 5362.032735][ T10] inet6_addr_add+0x12f/0xa40 [ 5362.032735][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5362.032735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5362.032735][ T10] netlink_rcv_skb+0x130/0x360 [ 5362.032735][ T10] netlink_unicast+0x449/0x710 [ 5362.032735][ T10] netlink_sendmsg+0x723/0xbe0 [ 5362.032735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5362.032735][ T10] ___sys_sendmsg+0xee/0x170 [ 5362.032735][ T10] __sys_sendmsg+0xcd/0x170 [ 5362.032735][ T10] do_syscall_64+0xc6/0x1e0 [ 5362.032735][ T10] [ 5362.034952][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5362.034952][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5362.034952][ T10] ipv6_find_idev+0x102/0x170 [ 5362.034952][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5362.034952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5362.034952][ T10] netlink_rcv_skb+0x130/0x360 [ 5362.034952][ T10] netlink_unicast+0x449/0x710 [ 5362.034952][ T10] netlink_sendmsg+0x723/0xbe0 [ 5362.034952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5362.034952][ T10] ___sys_sendmsg+0xee/0x170 [ 5362.034952][ T10] __sys_sendmsg+0xcd/0x170 [ 5362.034952][ T10] do_syscall_64+0xc6/0x1e0 [ 5362.034952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5362.034952][ T10] [ 5362.036671][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5362.036671][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5362.036671][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5362.036671][ T10] ipv6_find_idev+0x102/0x170 [ 5362.036671][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5362.036671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5362.036671][ T10] netlink_rcv_skb+0x130/0x360 [ 5362.036671][ T10] netlink_unicast+0x449/0x710 [ 5362.036671][ T10] netlink_sendmsg+0x723/0xbe0 [ 5362.036671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5362.036671][ T10] ___sys_sendmsg+0xee/0x170 [ 5362.036671][ T10] __sys_sendmsg+0xcd/0x170 [ 5362.036671][ T10] do_syscall_64+0xc6/0x1e0 [ 5362.036671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5362.036671][ T10] [ 5362.038593][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5362.038843][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5362.038843][ T10] netdev_get_by_index+0x5e/0x80 [ 5362.038843][ T10] fib6_nh_init+0x3d8/0x1580 [ 5362.038843][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5362.038843][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5362.038843][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5362.038843][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5362.038843][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5362.038843][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5362.038843][ T10] addrconf_dad_begin+0x310/0x670 [ 5362.038843][ T10] addrconf_dad_work+0x10b/0xab0 [ 5362.038843][ T10] process_one_work+0x84d/0x18a0 [ 5362.038843][ T10] worker_thread+0x587/0xd30 [ 5362.038843][ T10] kthread+0x28a/0x350 [ 5362.038843][ T10] ret_from_fork+0x31/0x70 [ 5362.038843][ T10] ret_from_fork_asm+0x1a/0x30 [ 5362.038843][ T10] [ 5362.040998][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5362.040998][ T10] netdev_get_by_index+0x5e/0x80 [ 5362.040998][ T10] fib6_nh_init+0x3d8/0x1580 [ 5362.040998][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5362.040998][ T10] ip6_route_add+0x1c/0x140 [ 5362.040998][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5362.040998][ T10] inet6_addr_add+0x4f8/0xa40 [ 5362.040998][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5362.040998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5362.040998][ T10] netlink_rcv_skb+0x130/0x360 [ 5362.040998][ T10] netlink_unicast+0x449/0x710 [ 5362.040998][ T10] netlink_sendmsg+0x723/0xbe0 [ 5362.040998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5362.040998][ T10] ___sys_sendmsg+0xee/0x170 [ 5362.040998][ T10] __sys_sendmsg+0xcd/0x170 [ 5362.040998][ T10] do_syscall_64+0xc6/0x1e0 [ 5362.040998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5362.040998][ T10] [ 5362.043240][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5362.043240][ T10] netdev_get_by_index+0x5e/0x80 [ 5362.043240][ T10] fib6_nh_init+0x3d8/0x1580 [ 5362.043240][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5362.043240][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5362.043240][ T10] ipv6_add_addr+0x411/0x2000 [ 5362.043240][ T10] inet6_addr_add+0x30e/0xa40 [ 5362.043240][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5362.043240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5362.043240][ T10] netlink_rcv_skb+0x130/0x360 [ 5362.043240][ T10] netlink_unicast+0x449/0x710 [ 5362.043240][ T10] netlink_sendmsg+0x723/0xbe0 [ 5362.043240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5362.043240][ T10] ___sys_sendmsg+0xee/0x170 [ 5362.043240][ T10] __sys_sendmsg+0xcd/0x170 [ 5362.043240][ T10] do_syscall_64+0xc6/0x1e0 [ 5362.043240][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5362.043240][ T10] [ 5362.045471][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5362.045471][ T10] netdev_get_by_index+0x5e/0x80 [ 5362.045471][ T10] fib6_nh_init+0x3d8/0x1580 [ 5362.045471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5362.045471][ T10] ip6_route_add+0x1c/0x140 [ 5362.045471][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5362.045471][ T10] addrconf_add_dev+0xe2/0x170 [ 5362.045471][ T10] inet6_addr_add+0x12f/0xa40 [ 5362.045471][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5362.045471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5362.045471][ T10] netlink_rcv_skb+0x130/0x360 [ 5362.045471][ T10] netlink_unicast+0x449/0x710 [ 5362.045471][ T10] netlink_sendmsg+0x723/0xbe0 [ 5362.045471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5362.045471][ T10] ___sys_sendmsg+0xee/0x170 [ 5362.045471][ T10] __sys_sendmsg+0xcd/0x170 [ 5362.045471][ T10] do_syscall_64+0xc6/0x1e0 [ 5362.045471][ T10] [ 5362.047689][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5362.047689][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5362.047689][ T10] ipv6_find_idev+0x102/0x170 [ 5362.047689][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5362.047689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5362.047689][ T10] netlink_rcv_skb+0x130/0x360 [ 5362.047689][ T10] netlink_unicast+0x449/0x710 [ 5362.047689][ T10] netlink_sendmsg+0x723/0xbe0 [ 5362.047689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5362.047689][ T10] ___sys_sendmsg+0xee/0x170 [ 5362.047689][ T10] __sys_sendmsg+0xcd/0x170 [ 5362.047689][ T10] do_syscall_64+0xc6/0x1e0 [ 5362.047689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5362.047689][ T10] [ 5362.049407][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5362.049407][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5362.049407][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5362.049407][ T10] ipv6_find_idev+0x102/0x170 [ 5362.049407][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5362.049407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5362.049407][ T10] netlink_rcv_skb+0x130/0x360 [ 5362.049407][ T10] netlink_unicast+0x449/0x710 [ 5362.049407][ T10] netlink_sendmsg+0x723/0xbe0 [ 5362.049407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5362.049407][ T10] ___sys_sendmsg+0xee/0x170 [ 5362.049407][ T10] __sys_sendmsg+0xcd/0x170 [ 5362.049407][ T10] do_syscall_64+0xc6/0x1e0 [ 5362.049407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5362.049407][ T10] [ 5364.273109][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5364.273589][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5364.273589][ T1167] dst_init+0x84/0x4a0 [ 5364.273589][ T1167] dst_alloc+0x97/0x150 [ 5364.273589][ T1167] ip6_dst_alloc+0x23/0x90 [ 5364.273589][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5364.273589][ T1167] ip6_pol_route+0x56f/0x840 [ 5364.273589][ T1167] fib6_rule_lookup+0x334/0x630 [ 5364.273589][ T1167] ip6_route_output_flags+0x259/0x480 [ 5364.273589][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5364.273589][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5364.273589][ T1167] netlink_rcv_skb+0x130/0x360 [ 5364.273589][ T1167] netlink_unicast+0x449/0x710 [ 5364.273589][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5364.273589][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5364.273589][ T1167] ___sys_sendmsg+0xee/0x170 [ 5364.273589][ T1167] __sys_sendmsg+0xcd/0x170 [ 5364.273589][ T1167] do_syscall_64+0xc6/0x1e0 [ 5364.273589][ T1167] [ 5364.275839][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5364.275839][ T1167] netdev_get_by_index+0x5e/0x80 [ 5364.275839][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5364.275839][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5364.275839][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5364.275839][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5364.275839][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5364.275839][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5364.275839][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5364.275839][ T1167] addrconf_dad_begin+0x310/0x670 [ 5364.275839][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5364.275839][ T1167] process_one_work+0x84d/0x18a0 [ 5364.275839][ T1167] worker_thread+0x587/0xd30 [ 5364.275839][ T1167] kthread+0x28a/0x350 [ 5364.275839][ T1167] ret_from_fork+0x31/0x70 [ 5364.275839][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5364.275839][ T1167] [ 5364.278021][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5364.278021][ T1167] netdev_get_by_index+0x5e/0x80 [ 5364.278021][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5364.278021][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5364.278021][ T1167] ip6_route_add+0x1c/0x140 [ 5364.278021][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5364.278021][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5364.278021][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5364.278021][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5364.278021][ T1167] netlink_rcv_skb+0x130/0x360 [ 5364.278021][ T1167] netlink_unicast+0x449/0x710 [ 5364.278021][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5364.278021][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5364.278021][ T1167] ___sys_sendmsg+0xee/0x170 [ 5364.278021][ T1167] __sys_sendmsg+0xcd/0x170 [ 5364.278021][ T1167] do_syscall_64+0xc6/0x1e0 [ 5364.278021][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5364.278021][ T1167] [ 5364.280305][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5364.280305][ T1167] netdev_get_by_index+0x5e/0x80 [ 5364.280305][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5364.280305][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5364.280305][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5364.280305][ T1167] ipv6_add_addr+0x411/0x2000 [ 5364.280305][ T1167] inet6_addr_add+0x30e/0xa40 [ 5364.280305][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5364.280305][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5364.280305][ T1167] netlink_rcv_skb+0x130/0x360 [ 5364.280305][ T1167] netlink_unicast+0x449/0x710 [ 5364.280305][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5364.280305][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5364.280305][ T1167] ___sys_sendmsg+0xee/0x170 [ 5364.280305][ T1167] __sys_sendmsg+0xcd/0x170 [ 5364.280305][ T1167] do_syscall_64+0xc6/0x1e0 [ 5364.280305][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5364.280305][ T1167] [ 5364.282581][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5364.282581][ T1167] netdev_get_by_index+0x5e/0x80 [ 5364.282581][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5364.282581][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5364.282581][ T1167] ip6_route_add+0x1c/0x140 [ 5364.282581][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5364.282581][ T1167] addrconf_add_dev+0xe2/0x170 [ 5364.282581][ T1167] inet6_addr_add+0x12f/0xa40 [ 5364.282581][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5364.282581][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5364.282581][ T1167] netlink_rcv_skb+0x130/0x360 [ 5364.282581][ T1167] netlink_unicast+0x449/0x710 [ 5364.282581][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5364.282581][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5364.282581][ T1167] ___sys_sendmsg+0xee/0x170 [ 5364.282581][ T1167] __sys_sendmsg+0xcd/0x170 [ 5364.282581][ T1167] do_syscall_64+0xc6/0x1e0 [ 5364.282581][ T1167] [ 5364.284823][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5364.284823][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5364.284823][ T1167] ipv6_find_idev+0x102/0x170 [ 5364.284823][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5364.284823][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5364.284823][ T1167] netlink_rcv_skb+0x130/0x360 [ 5364.284823][ T1167] netlink_unicast+0x449/0x710 [ 5364.284823][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5364.284823][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5364.284823][ T1167] ___sys_sendmsg+0xee/0x170 [ 5364.284823][ T1167] __sys_sendmsg+0xcd/0x170 [ 5364.284823][ T1167] do_syscall_64+0xc6/0x1e0 [ 5364.284823][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5364.284823][ T1167] [ 5364.286578][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5364.286578][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5364.286578][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5364.286578][ T1167] ipv6_find_idev+0x102/0x170 [ 5364.286578][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5364.286578][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5364.286578][ T1167] netlink_rcv_skb+0x130/0x360 [ 5364.286578][ T1167] netlink_unicast+0x449/0x710 [ 5364.286578][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5364.286578][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5364.286578][ T1167] ___sys_sendmsg+0xee/0x170 [ 5364.286578][ T1167] __sys_sendmsg+0xcd/0x170 [ 5364.286578][ T1167] do_syscall_64+0xc6/0x1e0 [ 5364.286578][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5364.286578][ T1167] [ 5372.289120][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5372.289550][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5372.289550][ T10] netdev_get_by_index+0x5e/0x80 [ 5372.289550][ T10] fib6_nh_init+0x3d8/0x1580 [ 5372.289550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5372.289550][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5372.289550][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5372.289550][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5372.289550][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5372.289550][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5372.289550][ T10] addrconf_dad_begin+0x310/0x670 [ 5372.289550][ T10] addrconf_dad_work+0x10b/0xab0 [ 5372.289550][ T10] process_one_work+0x84d/0x18a0 [ 5372.289550][ T10] worker_thread+0x587/0xd30 [ 5372.289550][ T10] kthread+0x28a/0x350 [ 5372.289550][ T10] ret_from_fork+0x31/0x70 [ 5372.289550][ T10] ret_from_fork_asm+0x1a/0x30 [ 5372.289550][ T10] [ 5372.291490][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5372.291490][ T10] netdev_get_by_index+0x5e/0x80 [ 5372.291490][ T10] fib6_nh_init+0x3d8/0x1580 [ 5372.291490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5372.291490][ T10] ip6_route_add+0x1c/0x140 [ 5372.291490][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5372.291490][ T10] inet6_addr_add+0x4f8/0xa40 [ 5372.291490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5372.291490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5372.291490][ T10] netlink_rcv_skb+0x130/0x360 [ 5372.291490][ T10] netlink_unicast+0x449/0x710 [ 5372.291490][ T10] netlink_sendmsg+0x723/0xbe0 [ 5372.291490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5372.291490][ T10] ___sys_sendmsg+0xee/0x170 [ 5372.291490][ T10] __sys_sendmsg+0xcd/0x170 [ 5372.291490][ T10] do_syscall_64+0xc6/0x1e0 [ 5372.291490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5372.291490][ T10] [ 5372.293513][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5372.293513][ T10] netdev_get_by_index+0x5e/0x80 [ 5372.293513][ T10] fib6_nh_init+0x3d8/0x1580 [ 5372.293513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5372.293513][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5372.293513][ T10] ipv6_add_addr+0x411/0x2000 [ 5372.293513][ T10] inet6_addr_add+0x30e/0xa40 [ 5372.293513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5372.293513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5372.293513][ T10] netlink_rcv_skb+0x130/0x360 [ 5372.293513][ T10] netlink_unicast+0x449/0x710 [ 5372.293513][ T10] netlink_sendmsg+0x723/0xbe0 [ 5372.293513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5372.293513][ T10] ___sys_sendmsg+0xee/0x170 [ 5372.293513][ T10] __sys_sendmsg+0xcd/0x170 [ 5372.293513][ T10] do_syscall_64+0xc6/0x1e0 [ 5372.293513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5372.293513][ T10] [ 5372.295510][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5372.295510][ T10] netdev_get_by_index+0x5e/0x80 [ 5372.295510][ T10] fib6_nh_init+0x3d8/0x1580 [ 5372.295510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5372.295510][ T10] ip6_route_add+0x1c/0x140 [ 5372.295510][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5372.295510][ T10] addrconf_add_dev+0xe2/0x170 [ 5372.295510][ T10] inet6_addr_add+0x12f/0xa40 [ 5372.295510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5372.295510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5372.295510][ T10] netlink_rcv_skb+0x130/0x360 [ 5372.295510][ T10] netlink_unicast+0x449/0x710 [ 5372.295510][ T10] netlink_sendmsg+0x723/0xbe0 [ 5372.295510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5372.295510][ T10] ___sys_sendmsg+0xee/0x170 [ 5372.295510][ T10] __sys_sendmsg+0xcd/0x170 [ 5372.295510][ T10] do_syscall_64+0xc6/0x1e0 [ 5372.295510][ T10] [ 5372.297484][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5372.297484][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5372.297484][ T10] ipv6_find_idev+0x102/0x170 [ 5372.297484][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5372.297484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5372.297484][ T10] netlink_rcv_skb+0x130/0x360 [ 5372.297484][ T10] netlink_unicast+0x449/0x710 [ 5372.297484][ T10] netlink_sendmsg+0x723/0xbe0 [ 5372.297484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5372.297484][ T10] ___sys_sendmsg+0xee/0x170 [ 5372.297484][ T10] __sys_sendmsg+0xcd/0x170 [ 5372.297484][ T10] do_syscall_64+0xc6/0x1e0 [ 5372.297484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5372.297484][ T10] [ 5372.299022][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5372.299022][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5372.299022][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5372.299022][ T10] ipv6_find_idev+0x102/0x170 [ 5372.299022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5372.299022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5372.299022][ T10] netlink_rcv_skb+0x130/0x360 [ 5372.299022][ T10] netlink_unicast+0x449/0x710 [ 5372.299022][ T10] netlink_sendmsg+0x723/0xbe0 [ 5372.299022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5372.299022][ T10] ___sys_sendmsg+0xee/0x170 [ 5372.299022][ T10] __sys_sendmsg+0xcd/0x170 [ 5372.299022][ T10] do_syscall_64+0xc6/0x1e0 [ 5372.299022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5372.299022][ T10] [ 5372.300712][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5372.300960][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5372.300960][ T10] netdev_get_by_index+0x5e/0x80 [ 5372.300960][ T10] fib6_nh_init+0x3d8/0x1580 [ 5372.300960][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5372.300960][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5372.300960][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5372.300960][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5372.300960][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5372.300960][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5372.300960][ T10] addrconf_dad_begin+0x310/0x670 [ 5372.300960][ T10] addrconf_dad_work+0x10b/0xab0 [ 5372.300960][ T10] process_one_work+0x84d/0x18a0 [ 5372.300960][ T10] worker_thread+0x587/0xd30 [ 5372.300960][ T10] kthread+0x28a/0x350 [ 5372.300960][ T10] ret_from_fork+0x31/0x70 [ 5372.300960][ T10] ret_from_fork_asm+0x1a/0x30 [ 5372.300960][ T10] [ 5372.302980][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5372.302980][ T10] netdev_get_by_index+0x5e/0x80 [ 5372.302980][ T10] fib6_nh_init+0x3d8/0x1580 [ 5372.302980][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5372.302980][ T10] ip6_route_add+0x1c/0x140 [ 5372.302980][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5372.302980][ T10] inet6_addr_add+0x4f8/0xa40 [ 5372.302980][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5372.302980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5372.302980][ T10] netlink_rcv_skb+0x130/0x360 [ 5372.302980][ T10] netlink_unicast+0x449/0x710 [ 5372.302980][ T10] netlink_sendmsg+0x723/0xbe0 [ 5372.302980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5372.302980][ T10] ___sys_sendmsg+0xee/0x170 [ 5372.302980][ T10] __sys_sendmsg+0xcd/0x170 [ 5372.302980][ T10] do_syscall_64+0xc6/0x1e0 [ 5372.302980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5372.302980][ T10] [ 5372.305010][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5372.305010][ T10] netdev_get_by_index+0x5e/0x80 [ 5372.305010][ T10] fib6_nh_init+0x3d8/0x1580 [ 5372.305010][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5372.305010][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5372.305010][ T10] ipv6_add_addr+0x411/0x2000 [ 5372.305010][ T10] inet6_addr_add+0x30e/0xa40 [ 5372.305010][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5372.305010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5372.305010][ T10] netlink_rcv_skb+0x130/0x360 [ 5372.305010][ T10] netlink_unicast+0x449/0x710 [ 5372.305010][ T10] netlink_sendmsg+0x723/0xbe0 [ 5372.305010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5372.305010][ T10] ___sys_sendmsg+0xee/0x170 [ 5372.305010][ T10] __sys_sendmsg+0xcd/0x170 [ 5372.305010][ T10] do_syscall_64+0xc6/0x1e0 [ 5372.305010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5372.305010][ T10] [ 5372.307007][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5372.307007][ T10] netdev_get_by_index+0x5e/0x80 [ 5372.307007][ T10] fib6_nh_init+0x3d8/0x1580 [ 5372.307007][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5372.307007][ T10] ip6_route_add+0x1c/0x140 [ 5372.307007][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5372.307007][ T10] addrconf_add_dev+0xe2/0x170 [ 5372.307007][ T10] inet6_addr_add+0x12f/0xa40 [ 5372.307007][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5372.307007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5372.307007][ T10] netlink_rcv_skb+0x130/0x360 [ 5372.307007][ T10] netlink_unicast+0x449/0x710 [ 5372.307007][ T10] netlink_sendmsg+0x723/0xbe0 [ 5372.307007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5372.307007][ T10] ___sys_sendmsg+0xee/0x170 [ 5372.307007][ T10] __sys_sendmsg+0xcd/0x170 [ 5372.307007][ T10] do_syscall_64+0xc6/0x1e0 [ 5372.307007][ T10] [ 5372.309010][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5372.309010][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5372.309010][ T10] ipv6_find_idev+0x102/0x170 [ 5372.309010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5372.309010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5372.309010][ T10] netlink_rcv_skb+0x130/0x360 [ 5372.309010][ T10] netlink_unicast+0x449/0x710 [ 5372.309010][ T10] netlink_sendmsg+0x723/0xbe0 [ 5372.309010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5372.309010][ T10] ___sys_sendmsg+0xee/0x170 [ 5372.309010][ T10] __sys_sendmsg+0xcd/0x170 [ 5372.309010][ T10] do_syscall_64+0xc6/0x1e0 [ 5372.309010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5372.309010][ T10] [ 5372.310555][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5372.310555][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5372.310555][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5372.310555][ T10] ipv6_find_idev+0x102/0x170 [ 5372.310555][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5372.310555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5372.310555][ T10] netlink_rcv_skb+0x130/0x360 [ 5372.310555][ T10] netlink_unicast+0x449/0x710 [ 5372.310555][ T10] netlink_sendmsg+0x723/0xbe0 [ 5372.310555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5372.310555][ T10] ___sys_sendmsg+0xee/0x170 [ 5372.310555][ T10] __sys_sendmsg+0xcd/0x170 [ 5372.310555][ T10] do_syscall_64+0xc6/0x1e0 [ 5372.310555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5372.310555][ T10] [ 5372.312285][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5372.312526][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5372.312526][ T10] netdev_get_by_index+0x5e/0x80 [ 5372.312526][ T10] fib6_nh_init+0x3d8/0x1580 [ 5372.312526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5372.312526][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5372.312526][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5372.312526][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5372.312526][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5372.312526][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5372.312526][ T10] addrconf_dad_begin+0x310/0x670 [ 5372.312526][ T10] addrconf_dad_work+0x10b/0xab0 [ 5372.312526][ T10] process_one_work+0x84d/0x18a0 [ 5372.312526][ T10] worker_thread+0x587/0xd30 [ 5372.312526][ T10] kthread+0x28a/0x350 [ 5372.312526][ T10] ret_from_fork+0x31/0x70 [ 5372.312526][ T10] ret_from_fork_asm+0x1a/0x30 [ 5372.312526][ T10] [ 5372.314463][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5372.314463][ T10] netdev_get_by_index+0x5e/0x80 [ 5372.314463][ T10] fib6_nh_init+0x3d8/0x1580 [ 5372.314463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5372.314463][ T10] ip6_route_add+0x1c/0x140 [ 5372.314463][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5372.314463][ T10] inet6_addr_add+0x4f8/0xa40 [ 5372.314463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5372.314463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5372.314463][ T10] netlink_rcv_skb+0x130/0x360 [ 5372.314463][ T10] netlink_unicast+0x449/0x710 [ 5372.314463][ T10] netlink_sendmsg+0x723/0xbe0 [ 5372.314463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5372.314463][ T10] ___sys_sendmsg+0xee/0x170 [ 5372.314463][ T10] __sys_sendmsg+0xcd/0x170 [ 5372.314463][ T10] do_syscall_64+0xc6/0x1e0 [ 5372.314463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5372.314463][ T10] [ 5372.316651][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5372.316651][ T10] netdev_get_by_index+0x5e/0x80 [ 5372.316651][ T10] fib6_nh_init+0x3d8/0x1580 [ 5372.316651][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5372.316651][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5372.316651][ T10] ipv6_add_addr+0x411/0x2000 [ 5372.316651][ T10] inet6_addr_add+0x30e/0xa40 [ 5372.316651][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5372.316651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5372.316651][ T10] netlink_rcv_skb+0x130/0x360 [ 5372.316651][ T10] netlink_unicast+0x449/0x710 [ 5372.316651][ T10] netlink_sendmsg+0x723/0xbe0 [ 5372.316651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5372.316651][ T10] ___sys_sendmsg+0xee/0x170 [ 5372.316651][ T10] __sys_sendmsg+0xcd/0x170 [ 5372.316651][ T10] do_syscall_64+0xc6/0x1e0 [ 5372.316651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5372.316651][ T10] [ 5372.318906][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5372.318906][ T10] netdev_get_by_index+0x5e/0x80 [ 5372.318906][ T10] fib6_nh_init+0x3d8/0x1580 [ 5372.318906][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5372.318906][ T10] ip6_route_add+0x1c/0x140 [ 5372.318906][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5372.318906][ T10] addrconf_add_dev+0xe2/0x170 [ 5372.318906][ T10] inet6_addr_add+0x12f/0xa40 [ 5372.318906][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5372.318906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5372.318906][ T10] netlink_rcv_skb+0x130/0x360 [ 5372.318906][ T10] netlink_unicast+0x449/0x710 [ 5372.318906][ T10] netlink_sendmsg+0x723/0xbe0 [ 5372.318906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5372.318906][ T10] ___sys_sendmsg+0xee/0x170 [ 5372.318906][ T10] __sys_sendmsg+0xcd/0x170 [ 5372.318906][ T10] do_syscall_64+0xc6/0x1e0 [ 5372.318906][ T10] [ 5372.321116][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5372.321116][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5372.321116][ T10] ipv6_find_idev+0x102/0x170 [ 5372.321116][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5372.321116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5372.321116][ T10] netlink_rcv_skb+0x130/0x360 [ 5372.321116][ T10] netlink_unicast+0x449/0x710 [ 5372.321116][ T10] netlink_sendmsg+0x723/0xbe0 [ 5372.321116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5372.321116][ T10] ___sys_sendmsg+0xee/0x170 [ 5372.321116][ T10] __sys_sendmsg+0xcd/0x170 [ 5372.321116][ T10] do_syscall_64+0xc6/0x1e0 [ 5372.321116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5372.321116][ T10] [ 5372.322906][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5372.322906][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5372.322906][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5372.322906][ T10] ipv6_find_idev+0x102/0x170 [ 5372.322906][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5372.322906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5372.322906][ T10] netlink_rcv_skb+0x130/0x360 [ 5372.322906][ T10] netlink_unicast+0x449/0x710 [ 5372.322906][ T10] netlink_sendmsg+0x723/0xbe0 [ 5372.322906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5372.322906][ T10] ___sys_sendmsg+0xee/0x170 [ 5372.322906][ T10] __sys_sendmsg+0xcd/0x170 [ 5372.322906][ T10] do_syscall_64+0xc6/0x1e0 [ 5372.322906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5372.322906][ T10] [ 5372.324789][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5372.325023][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5372.325023][ T10] netdev_get_by_index+0x5e/0x80 [ 5372.325023][ T10] fib6_nh_init+0x3d8/0x1580 [ 5372.325023][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5372.325023][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5372.325023][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5372.325023][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5372.325023][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5372.325023][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5372.325023][ T10] addrconf_dad_begin+0x310/0x670 [ 5372.325023][ T10] addrconf_dad_work+0x10b/0xab0 [ 5372.325023][ T10] process_one_work+0x84d/0x18a0 [ 5372.325023][ T10] worker_thread+0x587/0xd30 [ 5372.325023][ T10] kthread+0x28a/0x350 [ 5372.325023][ T10] ret_from_fork+0x31/0x70 [ 5372.325023][ T10] ret_from_fork_asm+0x1a/0x30 [ 5372.325023][ T10] [ 5372.327184][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5372.327184][ T10] netdev_get_by_index+0x5e/0x80 [ 5372.327184][ T10] fib6_nh_init+0x3d8/0x1580 [ 5372.327184][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5372.327184][ T10] ip6_route_add+0x1c/0x140 [ 5372.327184][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5372.327184][ T10] inet6_addr_add+0x4f8/0xa40 [ 5372.327184][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5372.327184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5372.327184][ T10] netlink_rcv_skb+0x130/0x360 [ 5372.327184][ T10] netlink_unicast+0x449/0x710 [ 5372.327184][ T10] netlink_sendmsg+0x723/0xbe0 [ 5372.327184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5372.327184][ T10] ___sys_sendmsg+0xee/0x170 [ 5372.327184][ T10] __sys_sendmsg+0xcd/0x170 [ 5372.327184][ T10] do_syscall_64+0xc6/0x1e0 [ 5372.327184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5372.327184][ T10] [ 5372.329432][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5372.329432][ T10] netdev_get_by_index+0x5e/0x80 [ 5372.329432][ T10] fib6_nh_init+0x3d8/0x1580 [ 5372.329432][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5372.329432][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5372.329432][ T10] ipv6_add_addr+0x411/0x2000 [ 5372.329432][ T10] inet6_addr_add+0x30e/0xa40 [ 5372.329432][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5372.329432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5372.329432][ T10] netlink_rcv_skb+0x130/0x360 [ 5372.329432][ T10] netlink_unicast+0x449/0x710 [ 5372.329432][ T10] netlink_sendmsg+0x723/0xbe0 [ 5372.329432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5372.329432][ T10] ___sys_sendmsg+0xee/0x170 [ 5372.329432][ T10] __sys_sendmsg+0xcd/0x170 [ 5372.329432][ T10] do_syscall_64+0xc6/0x1e0 [ 5372.329432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5372.329432][ T10] [ 5372.331744][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5372.331744][ T10] netdev_get_by_index+0x5e/0x80 [ 5372.331744][ T10] fib6_nh_init+0x3d8/0x1580 [ 5372.331744][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5372.331744][ T10] ip6_route_add+0x1c/0x140 [ 5372.331744][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5372.331744][ T10] addrconf_add_dev+0xe2/0x170 [ 5372.331744][ T10] inet6_addr_add+0x12f/0xa40 [ 5372.331744][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5372.331744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5372.331744][ T10] netlink_rcv_skb+0x130/0x360 [ 5372.331744][ T10] netlink_unicast+0x449/0x710 [ 5372.331744][ T10] netlink_sendmsg+0x723/0xbe0 [ 5372.331744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5372.331744][ T10] ___sys_sendmsg+0xee/0x170 [ 5372.331744][ T10] __sys_sendmsg+0xcd/0x170 [ 5372.331744][ T10] do_syscall_64+0xc6/0x1e0 [ 5372.331744][ T10] [ 5372.333892][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5372.333892][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5372.333892][ T10] ipv6_find_idev+0x102/0x170 [ 5372.333892][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5372.333892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5372.333892][ T10] netlink_rcv_skb+0x130/0x360 [ 5372.333892][ T10] netlink_unicast+0x449/0x710 [ 5372.333892][ T10] netlink_sendmsg+0x723/0xbe0 [ 5372.333892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5372.333892][ T10] ___sys_sendmsg+0xee/0x170 [ 5372.333892][ T10] __sys_sendmsg+0xcd/0x170 [ 5372.333892][ T10] do_syscall_64+0xc6/0x1e0 [ 5372.333892][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5372.333892][ T10] [ 5372.335624][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5372.335624][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5372.335624][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5372.335624][ T10] ipv6_find_idev+0x102/0x170 [ 5372.335624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5372.335624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5372.335624][ T10] netlink_rcv_skb+0x130/0x360 [ 5372.335624][ T10] netlink_unicast+0x449/0x710 [ 5372.335624][ T10] netlink_sendmsg+0x723/0xbe0 [ 5372.335624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5372.335624][ T10] ___sys_sendmsg+0xee/0x170 [ 5372.335624][ T10] __sys_sendmsg+0xcd/0x170 [ 5372.335624][ T10] do_syscall_64+0xc6/0x1e0 [ 5372.335624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5372.335624][ T10] [ 5374.529108][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5374.529606][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5374.529606][ T1167] dst_init+0x84/0x4a0 [ 5374.529606][ T1167] dst_alloc+0x97/0x150 [ 5374.529606][ T1167] ip6_dst_alloc+0x23/0x90 [ 5374.529606][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5374.529606][ T1167] ip6_pol_route+0x56f/0x840 [ 5374.529606][ T1167] fib6_rule_lookup+0x334/0x630 [ 5374.529606][ T1167] ip6_route_output_flags+0x259/0x480 [ 5374.529606][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5374.529606][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5374.529606][ T1167] netlink_rcv_skb+0x130/0x360 [ 5374.529606][ T1167] netlink_unicast+0x449/0x710 [ 5374.529606][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5374.529606][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5374.529606][ T1167] ___sys_sendmsg+0xee/0x170 [ 5374.529606][ T1167] __sys_sendmsg+0xcd/0x170 [ 5374.529606][ T1167] do_syscall_64+0xc6/0x1e0 [ 5374.529606][ T1167] [ 5374.531833][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5374.531833][ T1167] netdev_get_by_index+0x5e/0x80 [ 5374.531833][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5374.531833][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5374.531833][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5374.531833][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5374.531833][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5374.531833][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5374.531833][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5374.531833][ T1167] addrconf_dad_begin+0x310/0x670 [ 5374.531833][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5374.531833][ T1167] process_one_work+0x84d/0x18a0 [ 5374.531833][ T1167] worker_thread+0x587/0xd30 [ 5374.531833][ T1167] kthread+0x28a/0x350 [ 5374.531833][ T1167] ret_from_fork+0x31/0x70 [ 5374.531833][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5374.531833][ T1167] [ 5374.534049][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5374.534049][ T1167] netdev_get_by_index+0x5e/0x80 [ 5374.534049][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5374.534049][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5374.534049][ T1167] ip6_route_add+0x1c/0x140 [ 5374.534049][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5374.534049][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5374.534049][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5374.534049][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5374.534049][ T1167] netlink_rcv_skb+0x130/0x360 [ 5374.534049][ T1167] netlink_unicast+0x449/0x710 [ 5374.534049][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5374.534049][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5374.534049][ T1167] ___sys_sendmsg+0xee/0x170 [ 5374.534049][ T1167] __sys_sendmsg+0xcd/0x170 [ 5374.534049][ T1167] do_syscall_64+0xc6/0x1e0 [ 5374.534049][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5374.534049][ T1167] [ 5374.536312][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5374.536312][ T1167] netdev_get_by_index+0x5e/0x80 [ 5374.536312][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5374.536312][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5374.536312][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5374.536312][ T1167] ipv6_add_addr+0x411/0x2000 [ 5374.536312][ T1167] inet6_addr_add+0x30e/0xa40 [ 5374.536312][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5374.536312][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5374.536312][ T1167] netlink_rcv_skb+0x130/0x360 [ 5374.536312][ T1167] netlink_unicast+0x449/0x710 [ 5374.536312][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5374.536312][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5374.536312][ T1167] ___sys_sendmsg+0xee/0x170 [ 5374.536312][ T1167] __sys_sendmsg+0xcd/0x170 [ 5374.536312][ T1167] do_syscall_64+0xc6/0x1e0 [ 5374.536312][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5374.536312][ T1167] [ 5374.538586][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5374.538586][ T1167] netdev_get_by_index+0x5e/0x80 [ 5374.538586][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5374.538586][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5374.538586][ T1167] ip6_route_add+0x1c/0x140 [ 5374.538586][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5374.538586][ T1167] addrconf_add_dev+0xe2/0x170 [ 5374.538586][ T1167] inet6_addr_add+0x12f/0xa40 [ 5374.538586][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5374.538586][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5374.538586][ T1167] netlink_rcv_skb+0x130/0x360 [ 5374.538586][ T1167] netlink_unicast+0x449/0x710 [ 5374.538586][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5374.538586][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5374.538586][ T1167] ___sys_sendmsg+0xee/0x170 [ 5374.538586][ T1167] __sys_sendmsg+0xcd/0x170 [ 5374.538586][ T1167] do_syscall_64+0xc6/0x1e0 [ 5374.538586][ T1167] [ 5374.540818][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5374.540818][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5374.540818][ T1167] ipv6_find_idev+0x102/0x170 [ 5374.540818][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5374.540818][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5374.540818][ T1167] netlink_rcv_skb+0x130/0x360 [ 5374.540818][ T1167] netlink_unicast+0x449/0x710 [ 5374.540818][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5374.540818][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5374.540818][ T1167] ___sys_sendmsg+0xee/0x170 [ 5374.540818][ T1167] __sys_sendmsg+0xcd/0x170 [ 5374.540818][ T1167] do_syscall_64+0xc6/0x1e0 [ 5374.540818][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5374.540818][ T1167] [ 5374.542571][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5374.542571][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5374.542571][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5374.542571][ T1167] ipv6_find_idev+0x102/0x170 [ 5374.542571][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5374.542571][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5374.542571][ T1167] netlink_rcv_skb+0x130/0x360 [ 5374.542571][ T1167] netlink_unicast+0x449/0x710 [ 5374.542571][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5374.542571][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5374.542571][ T1167] ___sys_sendmsg+0xee/0x170 [ 5374.542571][ T1167] __sys_sendmsg+0xcd/0x170 [ 5374.542571][ T1167] do_syscall_64+0xc6/0x1e0 [ 5374.542571][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5374.542571][ T1167] [ 5382.577107][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5382.577510][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5382.577510][ T10] netdev_get_by_index+0x5e/0x80 [ 5382.577510][ T10] fib6_nh_init+0x3d8/0x1580 [ 5382.577510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5382.577510][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5382.577510][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5382.577510][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5382.577510][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5382.577510][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5382.577510][ T10] addrconf_dad_begin+0x310/0x670 [ 5382.577510][ T10] addrconf_dad_work+0x10b/0xab0 [ 5382.577510][ T10] process_one_work+0x84d/0x18a0 [ 5382.577510][ T10] worker_thread+0x587/0xd30 [ 5382.577510][ T10] kthread+0x28a/0x350 [ 5382.577510][ T10] ret_from_fork+0x31/0x70 [ 5382.577510][ T10] ret_from_fork_asm+0x1a/0x30 [ 5382.577510][ T10] [ 5382.579482][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5382.579482][ T10] netdev_get_by_index+0x5e/0x80 [ 5382.579482][ T10] fib6_nh_init+0x3d8/0x1580 [ 5382.579482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5382.579482][ T10] ip6_route_add+0x1c/0x140 [ 5382.579482][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5382.579482][ T10] inet6_addr_add+0x4f8/0xa40 [ 5382.579482][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5382.579482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5382.579482][ T10] netlink_rcv_skb+0x130/0x360 [ 5382.579482][ T10] netlink_unicast+0x449/0x710 [ 5382.579482][ T10] netlink_sendmsg+0x723/0xbe0 [ 5382.579482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5382.579482][ T10] ___sys_sendmsg+0xee/0x170 [ 5382.579482][ T10] __sys_sendmsg+0xcd/0x170 [ 5382.579482][ T10] do_syscall_64+0xc6/0x1e0 [ 5382.579482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5382.579482][ T10] [ 5382.581501][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5382.581501][ T10] netdev_get_by_index+0x5e/0x80 [ 5382.581501][ T10] fib6_nh_init+0x3d8/0x1580 [ 5382.581501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5382.581501][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5382.581501][ T10] ipv6_add_addr+0x411/0x2000 [ 5382.581501][ T10] inet6_addr_add+0x30e/0xa40 [ 5382.581501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5382.581501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5382.581501][ T10] netlink_rcv_skb+0x130/0x360 [ 5382.581501][ T10] netlink_unicast+0x449/0x710 [ 5382.581501][ T10] netlink_sendmsg+0x723/0xbe0 [ 5382.581501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5382.581501][ T10] ___sys_sendmsg+0xee/0x170 [ 5382.581501][ T10] __sys_sendmsg+0xcd/0x170 [ 5382.581501][ T10] do_syscall_64+0xc6/0x1e0 [ 5382.581501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5382.581501][ T10] [ 5382.583518][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5382.583518][ T10] netdev_get_by_index+0x5e/0x80 [ 5382.583518][ T10] fib6_nh_init+0x3d8/0x1580 [ 5382.583518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5382.583518][ T10] ip6_route_add+0x1c/0x140 [ 5382.583518][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5382.583518][ T10] addrconf_add_dev+0xe2/0x170 [ 5382.583518][ T10] inet6_addr_add+0x12f/0xa40 [ 5382.583518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5382.583518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5382.583518][ T10] netlink_rcv_skb+0x130/0x360 [ 5382.583518][ T10] netlink_unicast+0x449/0x710 [ 5382.583518][ T10] netlink_sendmsg+0x723/0xbe0 [ 5382.583518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5382.583518][ T10] ___sys_sendmsg+0xee/0x170 [ 5382.583518][ T10] __sys_sendmsg+0xcd/0x170 [ 5382.583518][ T10] do_syscall_64+0xc6/0x1e0 [ 5382.583518][ T10] [ 5382.585482][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5382.585482][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5382.585482][ T10] ipv6_find_idev+0x102/0x170 [ 5382.585482][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5382.585482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5382.585482][ T10] netlink_rcv_skb+0x130/0x360 [ 5382.585482][ T10] netlink_unicast+0x449/0x710 [ 5382.585482][ T10] netlink_sendmsg+0x723/0xbe0 [ 5382.585482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5382.585482][ T10] ___sys_sendmsg+0xee/0x170 [ 5382.585482][ T10] __sys_sendmsg+0xcd/0x170 [ 5382.585482][ T10] do_syscall_64+0xc6/0x1e0 [ 5382.585482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5382.585482][ T10] [ 5382.587029][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5382.587029][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5382.587029][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5382.587029][ T10] ipv6_find_idev+0x102/0x170 [ 5382.587029][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5382.587029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5382.587029][ T10] netlink_rcv_skb+0x130/0x360 [ 5382.587029][ T10] netlink_unicast+0x449/0x710 [ 5382.587029][ T10] netlink_sendmsg+0x723/0xbe0 [ 5382.587029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5382.587029][ T10] ___sys_sendmsg+0xee/0x170 [ 5382.587029][ T10] __sys_sendmsg+0xcd/0x170 [ 5382.587029][ T10] do_syscall_64+0xc6/0x1e0 [ 5382.587029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5382.587029][ T10] [ 5382.588728][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5382.588983][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5382.588983][ T10] netdev_get_by_index+0x5e/0x80 [ 5382.588983][ T10] fib6_nh_init+0x3d8/0x1580 [ 5382.588983][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5382.588983][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5382.588983][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5382.588983][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5382.588983][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5382.588983][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5382.588983][ T10] addrconf_dad_begin+0x310/0x670 [ 5382.588983][ T10] addrconf_dad_work+0x10b/0xab0 [ 5382.588983][ T10] process_one_work+0x84d/0x18a0 [ 5382.588983][ T10] worker_thread+0x587/0xd30 [ 5382.588983][ T10] kthread+0x28a/0x350 [ 5382.588983][ T10] ret_from_fork+0x31/0x70 [ 5382.588983][ T10] ret_from_fork_asm+0x1a/0x30 [ 5382.588983][ T10] [ 5382.590904][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5382.590904][ T10] netdev_get_by_index+0x5e/0x80 [ 5382.590904][ T10] fib6_nh_init+0x3d8/0x1580 [ 5382.590904][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5382.590904][ T10] ip6_route_add+0x1c/0x140 [ 5382.590904][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5382.590904][ T10] inet6_addr_add+0x4f8/0xa40 [ 5382.590904][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5382.590904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5382.590904][ T10] netlink_rcv_skb+0x130/0x360 [ 5382.590904][ T10] netlink_unicast+0x449/0x710 [ 5382.590904][ T10] netlink_sendmsg+0x723/0xbe0 [ 5382.590904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5382.590904][ T10] ___sys_sendmsg+0xee/0x170 [ 5382.590904][ T10] __sys_sendmsg+0xcd/0x170 [ 5382.590904][ T10] do_syscall_64+0xc6/0x1e0 [ 5382.590904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5382.590904][ T10] [ 5382.592919][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5382.592919][ T10] netdev_get_by_index+0x5e/0x80 [ 5382.592919][ T10] fib6_nh_init+0x3d8/0x1580 [ 5382.592919][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5382.592919][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5382.592919][ T10] ipv6_add_addr+0x411/0x2000 [ 5382.592919][ T10] inet6_addr_add+0x30e/0xa40 [ 5382.592919][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5382.592919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5382.592919][ T10] netlink_rcv_skb+0x130/0x360 [ 5382.592919][ T10] netlink_unicast+0x449/0x710 [ 5382.592919][ T10] netlink_sendmsg+0x723/0xbe0 [ 5382.592919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5382.592919][ T10] ___sys_sendmsg+0xee/0x170 [ 5382.592919][ T10] __sys_sendmsg+0xcd/0x170 [ 5382.592919][ T10] do_syscall_64+0xc6/0x1e0 [ 5382.592919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5382.592919][ T10] [ 5382.594916][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5382.594916][ T10] netdev_get_by_index+0x5e/0x80 [ 5382.594916][ T10] fib6_nh_init+0x3d8/0x1580 [ 5382.594916][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5382.594916][ T10] ip6_route_add+0x1c/0x140 [ 5382.594916][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5382.594916][ T10] addrconf_add_dev+0xe2/0x170 [ 5382.594916][ T10] inet6_addr_add+0x12f/0xa40 [ 5382.594916][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5382.594916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5382.594916][ T10] netlink_rcv_skb+0x130/0x360 [ 5382.594916][ T10] netlink_unicast+0x449/0x710 [ 5382.594916][ T10] netlink_sendmsg+0x723/0xbe0 [ 5382.594916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5382.594916][ T10] ___sys_sendmsg+0xee/0x170 [ 5382.594916][ T10] __sys_sendmsg+0xcd/0x170 [ 5382.594916][ T10] do_syscall_64+0xc6/0x1e0 [ 5382.594916][ T10] [ 5382.596896][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5382.596896][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5382.596896][ T10] ipv6_find_idev+0x102/0x170 [ 5382.596896][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5382.596896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5382.596896][ T10] netlink_rcv_skb+0x130/0x360 [ 5382.596896][ T10] netlink_unicast+0x449/0x710 [ 5382.596896][ T10] netlink_sendmsg+0x723/0xbe0 [ 5382.596896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5382.596896][ T10] ___sys_sendmsg+0xee/0x170 [ 5382.596896][ T10] __sys_sendmsg+0xcd/0x170 [ 5382.596896][ T10] do_syscall_64+0xc6/0x1e0 [ 5382.596896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5382.596896][ T10] [ 5382.598440][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5382.598440][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5382.598440][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5382.598440][ T10] ipv6_find_idev+0x102/0x170 [ 5382.598440][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5382.598440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5382.598440][ T10] netlink_rcv_skb+0x130/0x360 [ 5382.598440][ T10] netlink_unicast+0x449/0x710 [ 5382.598440][ T10] netlink_sendmsg+0x723/0xbe0 [ 5382.598440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5382.598440][ T10] ___sys_sendmsg+0xee/0x170 [ 5382.598440][ T10] __sys_sendmsg+0xcd/0x170 [ 5382.598440][ T10] do_syscall_64+0xc6/0x1e0 [ 5382.598440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5382.598440][ T10] [ 5382.600142][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5382.600379][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5382.600379][ T10] netdev_get_by_index+0x5e/0x80 [ 5382.600379][ T10] fib6_nh_init+0x3d8/0x1580 [ 5382.600379][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5382.600379][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5382.600379][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5382.600379][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5382.600379][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5382.600379][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5382.600379][ T10] addrconf_dad_begin+0x310/0x670 [ 5382.600379][ T10] addrconf_dad_work+0x10b/0xab0 [ 5382.600379][ T10] process_one_work+0x84d/0x18a0 [ 5382.600379][ T10] worker_thread+0x587/0xd30 [ 5382.600379][ T10] kthread+0x28a/0x350 [ 5382.600379][ T10] ret_from_fork+0x31/0x70 [ 5382.600379][ T10] ret_from_fork_asm+0x1a/0x30 [ 5382.600379][ T10] [ 5382.602297][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5382.602297][ T10] netdev_get_by_index+0x5e/0x80 [ 5382.602297][ T10] fib6_nh_init+0x3d8/0x1580 [ 5382.602297][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5382.602297][ T10] ip6_route_add+0x1c/0x140 [ 5382.602297][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5382.602297][ T10] inet6_addr_add+0x4f8/0xa40 [ 5382.602297][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5382.602297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5382.602297][ T10] netlink_rcv_skb+0x130/0x360 [ 5382.602297][ T10] netlink_unicast+0x449/0x710 [ 5382.602297][ T10] netlink_sendmsg+0x723/0xbe0 [ 5382.602297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5382.602297][ T10] ___sys_sendmsg+0xee/0x170 [ 5382.602297][ T10] __sys_sendmsg+0xcd/0x170 [ 5382.602297][ T10] do_syscall_64+0xc6/0x1e0 [ 5382.602297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5382.602297][ T10] [ 5382.604510][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5382.604510][ T10] netdev_get_by_index+0x5e/0x80 [ 5382.604510][ T10] fib6_nh_init+0x3d8/0x1580 [ 5382.604510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5382.604510][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5382.604510][ T10] ipv6_add_addr+0x411/0x2000 [ 5382.604510][ T10] inet6_addr_add+0x30e/0xa40 [ 5382.604510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5382.604510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5382.604510][ T10] netlink_rcv_skb+0x130/0x360 [ 5382.604510][ T10] netlink_unicast+0x449/0x710 [ 5382.604510][ T10] netlink_sendmsg+0x723/0xbe0 [ 5382.604510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5382.604510][ T10] ___sys_sendmsg+0xee/0x170 [ 5382.604510][ T10] __sys_sendmsg+0xcd/0x170 [ 5382.604510][ T10] do_syscall_64+0xc6/0x1e0 [ 5382.604510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5382.604510][ T10] [ 5382.606763][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5382.606763][ T10] netdev_get_by_index+0x5e/0x80 [ 5382.606763][ T10] fib6_nh_init+0x3d8/0x1580 [ 5382.606763][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5382.606763][ T10] ip6_route_add+0x1c/0x140 [ 5382.606763][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5382.606763][ T10] addrconf_add_dev+0xe2/0x170 [ 5382.606763][ T10] inet6_addr_add+0x12f/0xa40 [ 5382.606763][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5382.606763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5382.606763][ T10] netlink_rcv_skb+0x130/0x360 [ 5382.606763][ T10] netlink_unicast+0x449/0x710 [ 5382.606763][ T10] netlink_sendmsg+0x723/0xbe0 [ 5382.606763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5382.606763][ T10] ___sys_sendmsg+0xee/0x170 [ 5382.606763][ T10] __sys_sendmsg+0xcd/0x170 [ 5382.606763][ T10] do_syscall_64+0xc6/0x1e0 [ 5382.606763][ T10] [ 5382.609062][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5382.609062][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5382.609062][ T10] ipv6_find_idev+0x102/0x170 [ 5382.609062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5382.609062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5382.609062][ T10] netlink_rcv_skb+0x130/0x360 [ 5382.609062][ T10] netlink_unicast+0x449/0x710 [ 5382.609062][ T10] netlink_sendmsg+0x723/0xbe0 [ 5382.609062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5382.609062][ T10] ___sys_sendmsg+0xee/0x170 [ 5382.609062][ T10] __sys_sendmsg+0xcd/0x170 [ 5382.609062][ T10] do_syscall_64+0xc6/0x1e0 [ 5382.609062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5382.609062][ T10] [ 5382.610794][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5382.610794][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5382.610794][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5382.610794][ T10] ipv6_find_idev+0x102/0x170 [ 5382.610794][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5382.610794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5382.610794][ T10] netlink_rcv_skb+0x130/0x360 [ 5382.610794][ T10] netlink_unicast+0x449/0x710 [ 5382.610794][ T10] netlink_sendmsg+0x723/0xbe0 [ 5382.610794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5382.610794][ T10] ___sys_sendmsg+0xee/0x170 [ 5382.610794][ T10] __sys_sendmsg+0xcd/0x170 [ 5382.610794][ T10] do_syscall_64+0xc6/0x1e0 [ 5382.610794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5382.610794][ T10] [ 5382.612672][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5382.612912][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5382.612912][ T10] netdev_get_by_index+0x5e/0x80 [ 5382.612912][ T10] fib6_nh_init+0x3d8/0x1580 [ 5382.612912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5382.612912][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5382.612912][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5382.612912][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5382.612912][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5382.612912][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5382.612912][ T10] addrconf_dad_begin+0x310/0x670 [ 5382.612912][ T10] addrconf_dad_work+0x10b/0xab0 [ 5382.612912][ T10] process_one_work+0x84d/0x18a0 [ 5382.612912][ T10] worker_thread+0x587/0xd30 [ 5382.612912][ T10] kthread+0x28a/0x350 [ 5382.612912][ T10] ret_from_fork+0x31/0x70 [ 5382.612912][ T10] ret_from_fork_asm+0x1a/0x30 [ 5382.612912][ T10] [ 5382.615079][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5382.615079][ T10] netdev_get_by_index+0x5e/0x80 [ 5382.615079][ T10] fib6_nh_init+0x3d8/0x1580 [ 5382.615079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5382.615079][ T10] ip6_route_add+0x1c/0x140 [ 5382.615079][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5382.615079][ T10] inet6_addr_add+0x4f8/0xa40 [ 5382.615079][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5382.615079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5382.615079][ T10] netlink_rcv_skb+0x130/0x360 [ 5382.615079][ T10] netlink_unicast+0x449/0x710 [ 5382.615079][ T10] netlink_sendmsg+0x723/0xbe0 [ 5382.615079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5382.615079][ T10] ___sys_sendmsg+0xee/0x170 [ 5382.615079][ T10] __sys_sendmsg+0xcd/0x170 [ 5382.615079][ T10] do_syscall_64+0xc6/0x1e0 [ 5382.615079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5382.615079][ T10] [ 5382.617397][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5382.617397][ T10] netdev_get_by_index+0x5e/0x80 [ 5382.617397][ T10] fib6_nh_init+0x3d8/0x1580 [ 5382.617397][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5382.617397][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5382.617397][ T10] ipv6_add_addr+0x411/0x2000 [ 5382.617397][ T10] inet6_addr_add+0x30e/0xa40 [ 5382.617397][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5382.617397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5382.617397][ T10] netlink_rcv_skb+0x130/0x360 [ 5382.617397][ T10] netlink_unicast+0x449/0x710 [ 5382.617397][ T10] netlink_sendmsg+0x723/0xbe0 [ 5382.617397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5382.617397][ T10] ___sys_sendmsg+0xee/0x170 [ 5382.617397][ T10] __sys_sendmsg+0xcd/0x170 [ 5382.617397][ T10] do_syscall_64+0xc6/0x1e0 [ 5382.617397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5382.617397][ T10] [ 5382.619641][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5382.619641][ T10] netdev_get_by_index+0x5e/0x80 [ 5382.619641][ T10] fib6_nh_init+0x3d8/0x1580 [ 5382.619641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5382.619641][ T10] ip6_route_add+0x1c/0x140 [ 5382.619641][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5382.619641][ T10] addrconf_add_dev+0xe2/0x170 [ 5382.619641][ T10] inet6_addr_add+0x12f/0xa40 [ 5382.619641][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5382.619641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5382.619641][ T10] netlink_rcv_skb+0x130/0x360 [ 5382.619641][ T10] netlink_unicast+0x449/0x710 [ 5382.619641][ T10] netlink_sendmsg+0x723/0xbe0 [ 5382.619641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5382.619641][ T10] ___sys_sendmsg+0xee/0x170 [ 5382.619641][ T10] __sys_sendmsg+0xcd/0x170 [ 5382.619641][ T10] do_syscall_64+0xc6/0x1e0 [ 5382.619641][ T10] [ 5382.621782][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5382.621782][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5382.621782][ T10] ipv6_find_idev+0x102/0x170 [ 5382.621782][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5382.621782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5382.621782][ T10] netlink_rcv_skb+0x130/0x360 [ 5382.621782][ T10] netlink_unicast+0x449/0x710 [ 5382.621782][ T10] netlink_sendmsg+0x723/0xbe0 [ 5382.621782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5382.621782][ T10] ___sys_sendmsg+0xee/0x170 [ 5382.621782][ T10] __sys_sendmsg+0xcd/0x170 [ 5382.621782][ T10] do_syscall_64+0xc6/0x1e0 [ 5382.621782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5382.621782][ T10] [ 5382.623513][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5382.623513][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5382.623513][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5382.623513][ T10] ipv6_find_idev+0x102/0x170 [ 5382.623513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5382.623513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5382.623513][ T10] netlink_rcv_skb+0x130/0x360 [ 5382.623513][ T10] netlink_unicast+0x449/0x710 [ 5382.623513][ T10] netlink_sendmsg+0x723/0xbe0 [ 5382.623513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5382.623513][ T10] ___sys_sendmsg+0xee/0x170 [ 5382.623513][ T10] __sys_sendmsg+0xcd/0x170 [ 5382.623513][ T10] do_syscall_64+0xc6/0x1e0 [ 5382.623513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5382.623513][ T10] [ 5384.785096][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5384.785540][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5384.785540][ T1167] dst_init+0x84/0x4a0 [ 5384.785540][ T1167] dst_alloc+0x97/0x150 [ 5384.785540][ T1167] ip6_dst_alloc+0x23/0x90 [ 5384.785540][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5384.785540][ T1167] ip6_pol_route+0x56f/0x840 [ 5384.785540][ T1167] fib6_rule_lookup+0x334/0x630 [ 5384.785540][ T1167] ip6_route_output_flags+0x259/0x480 [ 5384.785540][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5384.785540][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5384.785540][ T1167] netlink_rcv_skb+0x130/0x360 [ 5384.785540][ T1167] netlink_unicast+0x449/0x710 [ 5384.785540][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5384.785540][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5384.785540][ T1167] ___sys_sendmsg+0xee/0x170 [ 5384.785540][ T1167] __sys_sendmsg+0xcd/0x170 [ 5384.785540][ T1167] do_syscall_64+0xc6/0x1e0 [ 5384.785540][ T1167] [ 5384.787782][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5384.787782][ T1167] netdev_get_by_index+0x5e/0x80 [ 5384.787782][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5384.787782][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5384.787782][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5384.787782][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5384.787782][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5384.787782][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5384.787782][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5384.787782][ T1167] addrconf_dad_begin+0x310/0x670 [ 5384.787782][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5384.787782][ T1167] process_one_work+0x84d/0x18a0 [ 5384.787782][ T1167] worker_thread+0x587/0xd30 [ 5384.787782][ T1167] kthread+0x28a/0x350 [ 5384.787782][ T1167] ret_from_fork+0x31/0x70 [ 5384.787782][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5384.787782][ T1167] [ 5384.789957][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5384.789957][ T1167] netdev_get_by_index+0x5e/0x80 [ 5384.789957][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5384.789957][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5384.789957][ T1167] ip6_route_add+0x1c/0x140 [ 5384.789957][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5384.789957][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5384.789957][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5384.789957][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5384.789957][ T1167] netlink_rcv_skb+0x130/0x360 [ 5384.789957][ T1167] netlink_unicast+0x449/0x710 [ 5384.789957][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5384.789957][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5384.789957][ T1167] ___sys_sendmsg+0xee/0x170 [ 5384.789957][ T1167] __sys_sendmsg+0xcd/0x170 [ 5384.789957][ T1167] do_syscall_64+0xc6/0x1e0 [ 5384.789957][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5384.789957][ T1167] [ 5384.792255][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5384.792255][ T1167] netdev_get_by_index+0x5e/0x80 [ 5384.792255][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5384.792255][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5384.792255][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5384.792255][ T1167] ipv6_add_addr+0x411/0x2000 [ 5384.792255][ T1167] inet6_addr_add+0x30e/0xa40 [ 5384.792255][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5384.792255][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5384.792255][ T1167] netlink_rcv_skb+0x130/0x360 [ 5384.792255][ T1167] netlink_unicast+0x449/0x710 [ 5384.792255][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5384.792255][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5384.792255][ T1167] ___sys_sendmsg+0xee/0x170 [ 5384.792255][ T1167] __sys_sendmsg+0xcd/0x170 [ 5384.792255][ T1167] do_syscall_64+0xc6/0x1e0 [ 5384.792255][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5384.792255][ T1167] [ 5384.794536][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5384.794536][ T1167] netdev_get_by_index+0x5e/0x80 [ 5384.794536][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5384.794536][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5384.794536][ T1167] ip6_route_add+0x1c/0x140 [ 5384.794536][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5384.794536][ T1167] addrconf_add_dev+0xe2/0x170 [ 5384.794536][ T1167] inet6_addr_add+0x12f/0xa40 [ 5384.794536][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5384.794536][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5384.794536][ T1167] netlink_rcv_skb+0x130/0x360 [ 5384.794536][ T1167] netlink_unicast+0x449/0x710 [ 5384.794536][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5384.794536][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5384.794536][ T1167] ___sys_sendmsg+0xee/0x170 [ 5384.794536][ T1167] __sys_sendmsg+0xcd/0x170 [ 5384.794536][ T1167] do_syscall_64+0xc6/0x1e0 [ 5384.794536][ T1167] [ 5384.796773][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5384.796773][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5384.796773][ T1167] ipv6_find_idev+0x102/0x170 [ 5384.796773][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5384.796773][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5384.796773][ T1167] netlink_rcv_skb+0x130/0x360 [ 5384.796773][ T1167] netlink_unicast+0x449/0x710 [ 5384.796773][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5384.796773][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5384.796773][ T1167] ___sys_sendmsg+0xee/0x170 [ 5384.796773][ T1167] __sys_sendmsg+0xcd/0x170 [ 5384.796773][ T1167] do_syscall_64+0xc6/0x1e0 [ 5384.796773][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5384.796773][ T1167] [ 5384.798522][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5384.798522][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5384.798522][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5384.798522][ T1167] ipv6_find_idev+0x102/0x170 [ 5384.798522][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5384.798522][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5384.798522][ T1167] netlink_rcv_skb+0x130/0x360 [ 5384.798522][ T1167] netlink_unicast+0x449/0x710 [ 5384.798522][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5384.798522][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5384.798522][ T1167] ___sys_sendmsg+0xee/0x170 [ 5384.798522][ T1167] __sys_sendmsg+0xcd/0x170 [ 5384.798522][ T1167] do_syscall_64+0xc6/0x1e0 [ 5384.798522][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5384.798522][ T1167] [ 5392.865145][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5392.865544][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5392.865544][ T10] netdev_get_by_index+0x5e/0x80 [ 5392.865544][ T10] fib6_nh_init+0x3d8/0x1580 [ 5392.865544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5392.865544][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5392.865544][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5392.865544][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5392.865544][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5392.865544][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5392.865544][ T10] addrconf_dad_begin+0x310/0x670 [ 5392.865544][ T10] addrconf_dad_work+0x10b/0xab0 [ 5392.865544][ T10] process_one_work+0x84d/0x18a0 [ 5392.865544][ T10] worker_thread+0x587/0xd30 [ 5392.865544][ T10] kthread+0x28a/0x350 [ 5392.865544][ T10] ret_from_fork+0x31/0x70 [ 5392.865544][ T10] ret_from_fork_asm+0x1a/0x30 [ 5392.865544][ T10] [ 5392.868039][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5392.868039][ T10] netdev_get_by_index+0x5e/0x80 [ 5392.868039][ T10] fib6_nh_init+0x3d8/0x1580 [ 5392.868039][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5392.868039][ T10] ip6_route_add+0x1c/0x140 [ 5392.868039][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5392.868039][ T10] inet6_addr_add+0x4f8/0xa40 [ 5392.868039][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5392.868039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5392.868039][ T10] netlink_rcv_skb+0x130/0x360 [ 5392.868039][ T10] netlink_unicast+0x449/0x710 [ 5392.868039][ T10] netlink_sendmsg+0x723/0xbe0 [ 5392.868039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5392.868039][ T10] ___sys_sendmsg+0xee/0x170 [ 5392.868039][ T10] __sys_sendmsg+0xcd/0x170 [ 5392.868039][ T10] do_syscall_64+0xc6/0x1e0 [ 5392.868039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5392.868039][ T10] [ 5392.870056][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5392.870056][ T10] netdev_get_by_index+0x5e/0x80 [ 5392.870056][ T10] fib6_nh_init+0x3d8/0x1580 [ 5392.870056][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5392.870056][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5392.870056][ T10] ipv6_add_addr+0x411/0x2000 [ 5392.870056][ T10] inet6_addr_add+0x30e/0xa40 [ 5392.870056][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5392.870056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5392.870056][ T10] netlink_rcv_skb+0x130/0x360 [ 5392.870056][ T10] netlink_unicast+0x449/0x710 [ 5392.870056][ T10] netlink_sendmsg+0x723/0xbe0 [ 5392.870056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5392.870056][ T10] ___sys_sendmsg+0xee/0x170 [ 5392.870056][ T10] __sys_sendmsg+0xcd/0x170 [ 5392.870056][ T10] do_syscall_64+0xc6/0x1e0 [ 5392.870056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5392.870056][ T10] [ 5392.874162][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5392.874162][ T10] netdev_get_by_index+0x5e/0x80 [ 5392.874162][ T10] fib6_nh_init+0x3d8/0x1580 [ 5392.874162][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5392.874162][ T10] ip6_route_add+0x1c/0x140 [ 5392.874162][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5392.874162][ T10] addrconf_add_dev+0xe2/0x170 [ 5392.874162][ T10] inet6_addr_add+0x12f/0xa40 [ 5392.874162][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5392.874162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5392.874162][ T10] netlink_rcv_skb+0x130/0x360 [ 5392.874162][ T10] netlink_unicast+0x449/0x710 [ 5392.874162][ T10] netlink_sendmsg+0x723/0xbe0 [ 5392.874162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5392.874162][ T10] ___sys_sendmsg+0xee/0x170 [ 5392.874162][ T10] __sys_sendmsg+0xcd/0x170 [ 5392.874162][ T10] do_syscall_64+0xc6/0x1e0 [ 5392.874162][ T10] [ 5392.876114][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5392.876114][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5392.876114][ T10] ipv6_find_idev+0x102/0x170 [ 5392.876114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5392.876114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5392.876114][ T10] netlink_rcv_skb+0x130/0x360 [ 5392.876114][ T10] netlink_unicast+0x449/0x710 [ 5392.876114][ T10] netlink_sendmsg+0x723/0xbe0 [ 5392.876114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5392.876114][ T10] ___sys_sendmsg+0xee/0x170 [ 5392.876114][ T10] __sys_sendmsg+0xcd/0x170 [ 5392.876114][ T10] do_syscall_64+0xc6/0x1e0 [ 5392.876114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5392.876114][ T10] [ 5392.877646][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5392.877646][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5392.877646][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5392.877646][ T10] ipv6_find_idev+0x102/0x170 [ 5392.877646][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5392.877646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5392.877646][ T10] netlink_rcv_skb+0x130/0x360 [ 5392.877646][ T10] netlink_unicast+0x449/0x710 [ 5392.877646][ T10] netlink_sendmsg+0x723/0xbe0 [ 5392.877646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5392.877646][ T10] ___sys_sendmsg+0xee/0x170 [ 5392.877646][ T10] __sys_sendmsg+0xcd/0x170 [ 5392.877646][ T10] do_syscall_64+0xc6/0x1e0 [ 5392.877646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5392.877646][ T10] [ 5392.879324][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5392.879593][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5392.879593][ T10] netdev_get_by_index+0x5e/0x80 [ 5392.879593][ T10] fib6_nh_init+0x3d8/0x1580 [ 5392.879593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5392.879593][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5392.879593][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5392.879593][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5392.879593][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5392.879593][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5392.879593][ T10] addrconf_dad_begin+0x310/0x670 [ 5392.879593][ T10] addrconf_dad_work+0x10b/0xab0 [ 5392.879593][ T10] process_one_work+0x84d/0x18a0 [ 5392.879593][ T10] worker_thread+0x587/0xd30 [ 5392.879593][ T10] kthread+0x28a/0x350 [ 5392.879593][ T10] ret_from_fork+0x31/0x70 [ 5392.879593][ T10] ret_from_fork_asm+0x1a/0x30 [ 5392.879593][ T10] [ 5392.881492][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5392.881492][ T10] netdev_get_by_index+0x5e/0x80 [ 5392.881492][ T10] fib6_nh_init+0x3d8/0x1580 [ 5392.881492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5392.881492][ T10] ip6_route_add+0x1c/0x140 [ 5392.881492][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5392.881492][ T10] inet6_addr_add+0x4f8/0xa40 [ 5392.881492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5392.881492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5392.881492][ T10] netlink_rcv_skb+0x130/0x360 [ 5392.881492][ T10] netlink_unicast+0x449/0x710 [ 5392.881492][ T10] netlink_sendmsg+0x723/0xbe0 [ 5392.881492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5392.881492][ T10] ___sys_sendmsg+0xee/0x170 [ 5392.881492][ T10] __sys_sendmsg+0xcd/0x170 [ 5392.881492][ T10] do_syscall_64+0xc6/0x1e0 [ 5392.881492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5392.881492][ T10] [ 5392.883492][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5392.883492][ T10] netdev_get_by_index+0x5e/0x80 [ 5392.883492][ T10] fib6_nh_init+0x3d8/0x1580 [ 5392.883492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5392.883492][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5392.883492][ T10] ipv6_add_addr+0x411/0x2000 [ 5392.883492][ T10] inet6_addr_add+0x30e/0xa40 [ 5392.883492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5392.883492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5392.883492][ T10] netlink_rcv_skb+0x130/0x360 [ 5392.883492][ T10] netlink_unicast+0x449/0x710 [ 5392.883492][ T10] netlink_sendmsg+0x723/0xbe0 [ 5392.883492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5392.883492][ T10] ___sys_sendmsg+0xee/0x170 [ 5392.883492][ T10] __sys_sendmsg+0xcd/0x170 [ 5392.883492][ T10] do_syscall_64+0xc6/0x1e0 [ 5392.883492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5392.883492][ T10] [ 5392.885509][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5392.885509][ T10] netdev_get_by_index+0x5e/0x80 [ 5392.885509][ T10] fib6_nh_init+0x3d8/0x1580 [ 5392.885509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5392.885509][ T10] ip6_route_add+0x1c/0x140 [ 5392.885509][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5392.885509][ T10] addrconf_add_dev+0xe2/0x170 [ 5392.885509][ T10] inet6_addr_add+0x12f/0xa40 [ 5392.885509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5392.885509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5392.885509][ T10] netlink_rcv_skb+0x130/0x360 [ 5392.885509][ T10] netlink_unicast+0x449/0x710 [ 5392.885509][ T10] netlink_sendmsg+0x723/0xbe0 [ 5392.885509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5392.885509][ T10] ___sys_sendmsg+0xee/0x170 [ 5392.885509][ T10] __sys_sendmsg+0xcd/0x170 [ 5392.885509][ T10] do_syscall_64+0xc6/0x1e0 [ 5392.885509][ T10] [ 5392.887465][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5392.887465][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5392.887465][ T10] ipv6_find_idev+0x102/0x170 [ 5392.887465][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5392.887465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5392.887465][ T10] netlink_rcv_skb+0x130/0x360 [ 5392.887465][ T10] netlink_unicast+0x449/0x710 [ 5392.887465][ T10] netlink_sendmsg+0x723/0xbe0 [ 5392.887465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5392.887465][ T10] ___sys_sendmsg+0xee/0x170 [ 5392.887465][ T10] __sys_sendmsg+0xcd/0x170 [ 5392.887465][ T10] do_syscall_64+0xc6/0x1e0 [ 5392.887465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5392.887465][ T10] [ 5392.888999][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5392.888999][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5392.888999][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5392.888999][ T10] ipv6_find_idev+0x102/0x170 [ 5392.888999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5392.888999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5392.888999][ T10] netlink_rcv_skb+0x130/0x360 [ 5392.888999][ T10] netlink_unicast+0x449/0x710 [ 5392.888999][ T10] netlink_sendmsg+0x723/0xbe0 [ 5392.888999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5392.888999][ T10] ___sys_sendmsg+0xee/0x170 [ 5392.888999][ T10] __sys_sendmsg+0xcd/0x170 [ 5392.888999][ T10] do_syscall_64+0xc6/0x1e0 [ 5392.888999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5392.888999][ T10] [ 5392.890682][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5392.890921][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5392.890921][ T10] netdev_get_by_index+0x5e/0x80 [ 5392.890921][ T10] fib6_nh_init+0x3d8/0x1580 [ 5392.890921][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5392.890921][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5392.890921][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5392.890921][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5392.890921][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5392.890921][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5392.890921][ T10] addrconf_dad_begin+0x310/0x670 [ 5392.890921][ T10] addrconf_dad_work+0x10b/0xab0 [ 5392.890921][ T10] process_one_work+0x84d/0x18a0 [ 5392.890921][ T10] worker_thread+0x587/0xd30 [ 5392.890921][ T10] kthread+0x28a/0x350 [ 5392.890921][ T10] ret_from_fork+0x31/0x70 [ 5392.890921][ T10] ret_from_fork_asm+0x1a/0x30 [ 5392.890921][ T10] [ 5392.892852][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5392.892852][ T10] netdev_get_by_index+0x5e/0x80 [ 5392.892852][ T10] fib6_nh_init+0x3d8/0x1580 [ 5392.892852][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5392.892852][ T10] ip6_route_add+0x1c/0x140 [ 5392.892852][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5392.892852][ T10] inet6_addr_add+0x4f8/0xa40 [ 5392.892852][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5392.892852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5392.892852][ T10] netlink_rcv_skb+0x130/0x360 [ 5392.892852][ T10] netlink_unicast+0x449/0x710 [ 5392.892852][ T10] netlink_sendmsg+0x723/0xbe0 [ 5392.892852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5392.892852][ T10] ___sys_sendmsg+0xee/0x170 [ 5392.892852][ T10] __sys_sendmsg+0xcd/0x170 [ 5392.892852][ T10] do_syscall_64+0xc6/0x1e0 [ 5392.892852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5392.892852][ T10] [ 5392.895025][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5392.895025][ T10] netdev_get_by_index+0x5e/0x80 [ 5392.895025][ T10] fib6_nh_init+0x3d8/0x1580 [ 5392.895025][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5392.895025][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5392.895025][ T10] ipv6_add_addr+0x411/0x2000 [ 5392.895025][ T10] inet6_addr_add+0x30e/0xa40 [ 5392.895025][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5392.895025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5392.895025][ T10] netlink_rcv_skb+0x130/0x360 [ 5392.895025][ T10] netlink_unicast+0x449/0x710 [ 5392.895025][ T10] netlink_sendmsg+0x723/0xbe0 [ 5392.895025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5392.895025][ T10] ___sys_sendmsg+0xee/0x170 [ 5392.895025][ T10] __sys_sendmsg+0xcd/0x170 [ 5392.895025][ T10] do_syscall_64+0xc6/0x1e0 [ 5392.895025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5392.895025][ T10] [ 5392.897369][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5392.897369][ T10] netdev_get_by_index+0x5e/0x80 [ 5392.897369][ T10] fib6_nh_init+0x3d8/0x1580 [ 5392.897369][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5392.897369][ T10] ip6_route_add+0x1c/0x140 [ 5392.897369][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5392.897369][ T10] addrconf_add_dev+0xe2/0x170 [ 5392.897369][ T10] inet6_addr_add+0x12f/0xa40 [ 5392.897369][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5392.897369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5392.897369][ T10] netlink_rcv_skb+0x130/0x360 [ 5392.897369][ T10] netlink_unicast+0x449/0x710 [ 5392.897369][ T10] netlink_sendmsg+0x723/0xbe0 [ 5392.897369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5392.897369][ T10] ___sys_sendmsg+0xee/0x170 [ 5392.897369][ T10] __sys_sendmsg+0xcd/0x170 [ 5392.897369][ T10] do_syscall_64+0xc6/0x1e0 [ 5392.897369][ T10] [ 5392.899564][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5392.899564][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5392.899564][ T10] ipv6_find_idev+0x102/0x170 [ 5392.899564][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5392.899564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5392.899564][ T10] netlink_rcv_skb+0x130/0x360 [ 5392.899564][ T10] netlink_unicast+0x449/0x710 [ 5392.899564][ T10] netlink_sendmsg+0x723/0xbe0 [ 5392.899564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5392.899564][ T10] ___sys_sendmsg+0xee/0x170 [ 5392.899564][ T10] __sys_sendmsg+0xcd/0x170 [ 5392.899564][ T10] do_syscall_64+0xc6/0x1e0 [ 5392.899564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5392.899564][ T10] [ 5392.901281][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5392.901281][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5392.901281][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5392.901281][ T10] ipv6_find_idev+0x102/0x170 [ 5392.901281][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5392.901281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5392.901281][ T10] netlink_rcv_skb+0x130/0x360 [ 5392.901281][ T10] netlink_unicast+0x449/0x710 [ 5392.901281][ T10] netlink_sendmsg+0x723/0xbe0 [ 5392.901281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5392.901281][ T10] ___sys_sendmsg+0xee/0x170 [ 5392.901281][ T10] __sys_sendmsg+0xcd/0x170 [ 5392.901281][ T10] do_syscall_64+0xc6/0x1e0 [ 5392.901281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5392.901281][ T10] [ 5392.903149][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5392.903384][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5392.903384][ T10] netdev_get_by_index+0x5e/0x80 [ 5392.903384][ T10] fib6_nh_init+0x3d8/0x1580 [ 5392.903384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5392.903384][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5392.903384][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5392.903384][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5392.903384][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5392.903384][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5392.903384][ T10] addrconf_dad_begin+0x310/0x670 [ 5392.903384][ T10] addrconf_dad_work+0x10b/0xab0 [ 5392.903384][ T10] process_one_work+0x84d/0x18a0 [ 5392.903384][ T10] worker_thread+0x587/0xd30 [ 5392.903384][ T10] kthread+0x28a/0x350 [ 5392.903384][ T10] ret_from_fork+0x31/0x70 [ 5392.903384][ T10] ret_from_fork_asm+0x1a/0x30 [ 5392.903384][ T10] [ 5392.905594][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5392.905594][ T10] netdev_get_by_index+0x5e/0x80 [ 5392.905594][ T10] fib6_nh_init+0x3d8/0x1580 [ 5392.905594][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5392.905594][ T10] ip6_route_add+0x1c/0x140 [ 5392.905594][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5392.905594][ T10] inet6_addr_add+0x4f8/0xa40 [ 5392.905594][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5392.905594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5392.905594][ T10] netlink_rcv_skb+0x130/0x360 [ 5392.905594][ T10] netlink_unicast+0x449/0x710 [ 5392.905594][ T10] netlink_sendmsg+0x723/0xbe0 [ 5392.905594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5392.905594][ T10] ___sys_sendmsg+0xee/0x170 [ 5392.905594][ T10] __sys_sendmsg+0xcd/0x170 [ 5392.905594][ T10] do_syscall_64+0xc6/0x1e0 [ 5392.905594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5392.905594][ T10] [ 5392.907821][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5392.907821][ T10] netdev_get_by_index+0x5e/0x80 [ 5392.907821][ T10] fib6_nh_init+0x3d8/0x1580 [ 5392.907821][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5392.907821][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5392.907821][ T10] ipv6_add_addr+0x411/0x2000 [ 5392.907821][ T10] inet6_addr_add+0x30e/0xa40 [ 5392.907821][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5392.907821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5392.907821][ T10] netlink_rcv_skb+0x130/0x360 [ 5392.907821][ T10] netlink_unicast+0x449/0x710 [ 5392.907821][ T10] netlink_sendmsg+0x723/0xbe0 [ 5392.907821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5392.907821][ T10] ___sys_sendmsg+0xee/0x170 [ 5392.907821][ T10] __sys_sendmsg+0xcd/0x170 [ 5392.907821][ T10] do_syscall_64+0xc6/0x1e0 [ 5392.907821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5392.907821][ T10] [ 5392.910066][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5392.910066][ T10] netdev_get_by_index+0x5e/0x80 [ 5392.910066][ T10] fib6_nh_init+0x3d8/0x1580 [ 5392.910066][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5392.910066][ T10] ip6_route_add+0x1c/0x140 [ 5392.910066][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5392.910066][ T10] addrconf_add_dev+0xe2/0x170 [ 5392.910066][ T10] inet6_addr_add+0x12f/0xa40 [ 5392.910066][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5392.910066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5392.910066][ T10] netlink_rcv_skb+0x130/0x360 [ 5392.910066][ T10] netlink_unicast+0x449/0x710 [ 5392.910066][ T10] netlink_sendmsg+0x723/0xbe0 [ 5392.910066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5392.910066][ T10] ___sys_sendmsg+0xee/0x170 [ 5392.910066][ T10] __sys_sendmsg+0xcd/0x170 [ 5392.910066][ T10] do_syscall_64+0xc6/0x1e0 [ 5392.910066][ T10] [ 5392.912197][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5392.912197][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5392.912197][ T10] ipv6_find_idev+0x102/0x170 [ 5392.912197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5392.912197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5392.912197][ T10] netlink_rcv_skb+0x130/0x360 [ 5392.912197][ T10] netlink_unicast+0x449/0x710 [ 5392.912197][ T10] netlink_sendmsg+0x723/0xbe0 [ 5392.912197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5392.912197][ T10] ___sys_sendmsg+0xee/0x170 [ 5392.912197][ T10] __sys_sendmsg+0xcd/0x170 [ 5392.912197][ T10] do_syscall_64+0xc6/0x1e0 [ 5392.912197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5392.912197][ T10] [ 5392.913918][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5392.913918][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5392.913918][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5392.913918][ T10] ipv6_find_idev+0x102/0x170 [ 5392.913918][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5392.913918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5392.913918][ T10] netlink_rcv_skb+0x130/0x360 [ 5392.913918][ T10] netlink_unicast+0x449/0x710 [ 5392.913918][ T10] netlink_sendmsg+0x723/0xbe0 [ 5392.913918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5392.913918][ T10] ___sys_sendmsg+0xee/0x170 [ 5392.913918][ T10] __sys_sendmsg+0xcd/0x170 [ 5392.913918][ T10] do_syscall_64+0xc6/0x1e0 [ 5392.913918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5392.913918][ T10] [ 5395.041131][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5395.041612][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5395.041612][ T1167] dst_init+0x84/0x4a0 [ 5395.041612][ T1167] dst_alloc+0x97/0x150 [ 5395.041612][ T1167] ip6_dst_alloc+0x23/0x90 [ 5395.041612][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5395.041612][ T1167] ip6_pol_route+0x56f/0x840 [ 5395.041612][ T1167] fib6_rule_lookup+0x334/0x630 [ 5395.041612][ T1167] ip6_route_output_flags+0x259/0x480 [ 5395.041612][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5395.041612][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5395.041612][ T1167] netlink_rcv_skb+0x130/0x360 [ 5395.041612][ T1167] netlink_unicast+0x449/0x710 [ 5395.041612][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5395.041612][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5395.041612][ T1167] ___sys_sendmsg+0xee/0x170 [ 5395.041612][ T1167] __sys_sendmsg+0xcd/0x170 [ 5395.041612][ T1167] do_syscall_64+0xc6/0x1e0 [ 5395.041612][ T1167] [ 5395.043854][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5395.043854][ T1167] netdev_get_by_index+0x5e/0x80 [ 5395.043854][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5395.043854][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5395.043854][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5395.043854][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5395.043854][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5395.043854][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5395.043854][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5395.043854][ T1167] addrconf_dad_begin+0x310/0x670 [ 5395.043854][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5395.043854][ T1167] process_one_work+0x84d/0x18a0 [ 5395.043854][ T1167] worker_thread+0x587/0xd30 [ 5395.043854][ T1167] kthread+0x28a/0x350 [ 5395.043854][ T1167] ret_from_fork+0x31/0x70 [ 5395.043854][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5395.043854][ T1167] [ 5395.046035][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5395.046035][ T1167] netdev_get_by_index+0x5e/0x80 [ 5395.046035][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5395.046035][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5395.046035][ T1167] ip6_route_add+0x1c/0x140 [ 5395.046035][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5395.046035][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5395.046035][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5395.046035][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5395.046035][ T1167] netlink_rcv_skb+0x130/0x360 [ 5395.046035][ T1167] netlink_unicast+0x449/0x710 [ 5395.046035][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5395.046035][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5395.046035][ T1167] ___sys_sendmsg+0xee/0x170 [ 5395.046035][ T1167] __sys_sendmsg+0xcd/0x170 [ 5395.046035][ T1167] do_syscall_64+0xc6/0x1e0 [ 5395.046035][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5395.046035][ T1167] [ 5395.048313][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5395.048313][ T1167] netdev_get_by_index+0x5e/0x80 [ 5395.048313][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5395.048313][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5395.048313][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5395.048313][ T1167] ipv6_add_addr+0x411/0x2000 [ 5395.048313][ T1167] inet6_addr_add+0x30e/0xa40 [ 5395.048313][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5395.048313][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5395.048313][ T1167] netlink_rcv_skb+0x130/0x360 [ 5395.048313][ T1167] netlink_unicast+0x449/0x710 [ 5395.048313][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5395.048313][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5395.048313][ T1167] ___sys_sendmsg+0xee/0x170 [ 5395.048313][ T1167] __sys_sendmsg+0xcd/0x170 [ 5395.048313][ T1167] do_syscall_64+0xc6/0x1e0 [ 5395.048313][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5395.048313][ T1167] [ 5395.050563][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5395.050563][ T1167] netdev_get_by_index+0x5e/0x80 [ 5395.050563][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5395.050563][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5395.050563][ T1167] ip6_route_add+0x1c/0x140 [ 5395.050563][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5395.050563][ T1167] addrconf_add_dev+0xe2/0x170 [ 5395.050563][ T1167] inet6_addr_add+0x12f/0xa40 [ 5395.050563][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5395.050563][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5395.050563][ T1167] netlink_rcv_skb+0x130/0x360 [ 5395.050563][ T1167] netlink_unicast+0x449/0x710 [ 5395.050563][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5395.050563][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5395.050563][ T1167] ___sys_sendmsg+0xee/0x170 [ 5395.050563][ T1167] __sys_sendmsg+0xcd/0x170 [ 5395.050563][ T1167] do_syscall_64+0xc6/0x1e0 [ 5395.050563][ T1167] [ 5395.052791][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5395.052791][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5395.052791][ T1167] ipv6_find_idev+0x102/0x170 [ 5395.052791][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5395.052791][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5395.052791][ T1167] netlink_rcv_skb+0x130/0x360 [ 5395.052791][ T1167] netlink_unicast+0x449/0x710 [ 5395.052791][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5395.052791][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5395.052791][ T1167] ___sys_sendmsg+0xee/0x170 [ 5395.052791][ T1167] __sys_sendmsg+0xcd/0x170 [ 5395.052791][ T1167] do_syscall_64+0xc6/0x1e0 [ 5395.052791][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5395.052791][ T1167] [ 5395.054525][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5395.054525][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5395.054525][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5395.054525][ T1167] ipv6_find_idev+0x102/0x170 [ 5395.054525][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5395.054525][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5395.054525][ T1167] netlink_rcv_skb+0x130/0x360 [ 5395.054525][ T1167] netlink_unicast+0x449/0x710 [ 5395.054525][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5395.054525][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5395.054525][ T1167] ___sys_sendmsg+0xee/0x170 [ 5395.054525][ T1167] __sys_sendmsg+0xcd/0x170 [ 5395.054525][ T1167] do_syscall_64+0xc6/0x1e0 [ 5395.054525][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5395.054525][ T1167] [ 5403.153101][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5403.153518][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5403.153518][ T10] netdev_get_by_index+0x5e/0x80 [ 5403.153518][ T10] fib6_nh_init+0x3d8/0x1580 [ 5403.153518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5403.153518][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5403.153518][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5403.153518][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5403.153518][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5403.153518][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5403.153518][ T10] addrconf_dad_begin+0x310/0x670 [ 5403.153518][ T10] addrconf_dad_work+0x10b/0xab0 [ 5403.153518][ T10] process_one_work+0x84d/0x18a0 [ 5403.153518][ T10] worker_thread+0x587/0xd30 [ 5403.153518][ T10] kthread+0x28a/0x350 [ 5403.153518][ T10] ret_from_fork+0x31/0x70 [ 5403.153518][ T10] ret_from_fork_asm+0x1a/0x30 [ 5403.153518][ T10] [ 5403.155467][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5403.155467][ T10] netdev_get_by_index+0x5e/0x80 [ 5403.155467][ T10] fib6_nh_init+0x3d8/0x1580 [ 5403.155467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5403.155467][ T10] ip6_route_add+0x1c/0x140 [ 5403.155467][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5403.155467][ T10] inet6_addr_add+0x4f8/0xa40 [ 5403.155467][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5403.155467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5403.155467][ T10] netlink_rcv_skb+0x130/0x360 [ 5403.155467][ T10] netlink_unicast+0x449/0x710 [ 5403.155467][ T10] netlink_sendmsg+0x723/0xbe0 [ 5403.155467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5403.155467][ T10] ___sys_sendmsg+0xee/0x170 [ 5403.155467][ T10] __sys_sendmsg+0xcd/0x170 [ 5403.155467][ T10] do_syscall_64+0xc6/0x1e0 [ 5403.155467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5403.155467][ T10] [ 5403.157481][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5403.157481][ T10] netdev_get_by_index+0x5e/0x80 [ 5403.157481][ T10] fib6_nh_init+0x3d8/0x1580 [ 5403.157481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5403.157481][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5403.157481][ T10] ipv6_add_addr+0x411/0x2000 [ 5403.157481][ T10] inet6_addr_add+0x30e/0xa40 [ 5403.157481][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5403.157481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5403.157481][ T10] netlink_rcv_skb+0x130/0x360 [ 5403.157481][ T10] netlink_unicast+0x449/0x710 [ 5403.157481][ T10] netlink_sendmsg+0x723/0xbe0 [ 5403.157481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5403.157481][ T10] ___sys_sendmsg+0xee/0x170 [ 5403.157481][ T10] __sys_sendmsg+0xcd/0x170 [ 5403.157481][ T10] do_syscall_64+0xc6/0x1e0 [ 5403.157481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5403.157481][ T10] [ 5403.159508][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5403.159508][ T10] netdev_get_by_index+0x5e/0x80 [ 5403.159508][ T10] fib6_nh_init+0x3d8/0x1580 [ 5403.159508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5403.159508][ T10] ip6_route_add+0x1c/0x140 [ 5403.159508][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5403.159508][ T10] addrconf_add_dev+0xe2/0x170 [ 5403.159508][ T10] inet6_addr_add+0x12f/0xa40 [ 5403.159508][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5403.159508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5403.159508][ T10] netlink_rcv_skb+0x130/0x360 [ 5403.159508][ T10] netlink_unicast+0x449/0x710 [ 5403.159508][ T10] netlink_sendmsg+0x723/0xbe0 [ 5403.159508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5403.159508][ T10] ___sys_sendmsg+0xee/0x170 [ 5403.159508][ T10] __sys_sendmsg+0xcd/0x170 [ 5403.159508][ T10] do_syscall_64+0xc6/0x1e0 [ 5403.159508][ T10] [ 5403.162013][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5403.162013][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5403.162013][ T10] ipv6_find_idev+0x102/0x170 [ 5403.162013][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5403.162013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5403.162013][ T10] netlink_rcv_skb+0x130/0x360 [ 5403.162013][ T10] netlink_unicast+0x449/0x710 [ 5403.162013][ T10] netlink_sendmsg+0x723/0xbe0 [ 5403.162013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5403.162013][ T10] ___sys_sendmsg+0xee/0x170 [ 5403.162013][ T10] __sys_sendmsg+0xcd/0x170 [ 5403.162013][ T10] do_syscall_64+0xc6/0x1e0 [ 5403.162013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5403.162013][ T10] [ 5403.163583][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5403.163583][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5403.163583][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5403.163583][ T10] ipv6_find_idev+0x102/0x170 [ 5403.163583][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5403.163583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5403.163583][ T10] netlink_rcv_skb+0x130/0x360 [ 5403.163583][ T10] netlink_unicast+0x449/0x710 [ 5403.163583][ T10] netlink_sendmsg+0x723/0xbe0 [ 5403.163583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5403.163583][ T10] ___sys_sendmsg+0xee/0x170 [ 5403.163583][ T10] __sys_sendmsg+0xcd/0x170 [ 5403.163583][ T10] do_syscall_64+0xc6/0x1e0 [ 5403.163583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5403.163583][ T10] [ 5403.165302][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5403.165547][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5403.165547][ T10] netdev_get_by_index+0x5e/0x80 [ 5403.165547][ T10] fib6_nh_init+0x3d8/0x1580 [ 5403.165547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5403.165547][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5403.165547][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5403.165547][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5403.165547][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5403.165547][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5403.165547][ T10] addrconf_dad_begin+0x310/0x670 [ 5403.165547][ T10] addrconf_dad_work+0x10b/0xab0 [ 5403.165547][ T10] process_one_work+0x84d/0x18a0 [ 5403.165547][ T10] worker_thread+0x587/0xd30 [ 5403.165547][ T10] kthread+0x28a/0x350 [ 5403.165547][ T10] ret_from_fork+0x31/0x70 [ 5403.165547][ T10] ret_from_fork_asm+0x1a/0x30 [ 5403.165547][ T10] [ 5403.167463][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5403.167463][ T10] netdev_get_by_index+0x5e/0x80 [ 5403.167463][ T10] fib6_nh_init+0x3d8/0x1580 [ 5403.167463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5403.167463][ T10] ip6_route_add+0x1c/0x140 [ 5403.167463][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5403.167463][ T10] inet6_addr_add+0x4f8/0xa40 [ 5403.167463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5403.167463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5403.167463][ T10] netlink_rcv_skb+0x130/0x360 [ 5403.167463][ T10] netlink_unicast+0x449/0x710 [ 5403.167463][ T10] netlink_sendmsg+0x723/0xbe0 [ 5403.167463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5403.167463][ T10] ___sys_sendmsg+0xee/0x170 [ 5403.167463][ T10] __sys_sendmsg+0xcd/0x170 [ 5403.167463][ T10] do_syscall_64+0xc6/0x1e0 [ 5403.167463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5403.167463][ T10] [ 5403.169467][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5403.169467][ T10] netdev_get_by_index+0x5e/0x80 [ 5403.169467][ T10] fib6_nh_init+0x3d8/0x1580 [ 5403.169467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5403.169467][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5403.169467][ T10] ipv6_add_addr+0x411/0x2000 [ 5403.169467][ T10] inet6_addr_add+0x30e/0xa40 [ 5403.169467][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5403.169467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5403.169467][ T10] netlink_rcv_skb+0x130/0x360 [ 5403.169467][ T10] netlink_unicast+0x449/0x710 [ 5403.169467][ T10] netlink_sendmsg+0x723/0xbe0 [ 5403.169467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5403.169467][ T10] ___sys_sendmsg+0xee/0x170 [ 5403.169467][ T10] __sys_sendmsg+0xcd/0x170 [ 5403.169467][ T10] do_syscall_64+0xc6/0x1e0 [ 5403.169467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5403.169467][ T10] [ 5403.171852][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5403.171852][ T10] netdev_get_by_index+0x5e/0x80 [ 5403.171852][ T10] fib6_nh_init+0x3d8/0x1580 [ 5403.171852][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5403.171852][ T10] ip6_route_add+0x1c/0x140 [ 5403.171852][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5403.171852][ T10] addrconf_add_dev+0xe2/0x170 [ 5403.171852][ T10] inet6_addr_add+0x12f/0xa40 [ 5403.171852][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5403.171852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5403.171852][ T10] netlink_rcv_skb+0x130/0x360 [ 5403.171852][ T10] netlink_unicast+0x449/0x710 [ 5403.171852][ T10] netlink_sendmsg+0x723/0xbe0 [ 5403.171852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5403.171852][ T10] ___sys_sendmsg+0xee/0x170 [ 5403.171852][ T10] __sys_sendmsg+0xcd/0x170 [ 5403.171852][ T10] do_syscall_64+0xc6/0x1e0 [ 5403.171852][ T10] [ 5403.173828][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5403.173828][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5403.173828][ T10] ipv6_find_idev+0x102/0x170 [ 5403.173828][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5403.173828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5403.173828][ T10] netlink_rcv_skb+0x130/0x360 [ 5403.173828][ T10] netlink_unicast+0x449/0x710 [ 5403.173828][ T10] netlink_sendmsg+0x723/0xbe0 [ 5403.173828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5403.173828][ T10] ___sys_sendmsg+0xee/0x170 [ 5403.173828][ T10] __sys_sendmsg+0xcd/0x170 [ 5403.173828][ T10] do_syscall_64+0xc6/0x1e0 [ 5403.173828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5403.173828][ T10] [ 5403.175379][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5403.175379][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5403.175379][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5403.175379][ T10] ipv6_find_idev+0x102/0x170 [ 5403.175379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5403.175379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5403.175379][ T10] netlink_rcv_skb+0x130/0x360 [ 5403.175379][ T10] netlink_unicast+0x449/0x710 [ 5403.175379][ T10] netlink_sendmsg+0x723/0xbe0 [ 5403.175379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5403.175379][ T10] ___sys_sendmsg+0xee/0x170 [ 5403.175379][ T10] __sys_sendmsg+0xcd/0x170 [ 5403.175379][ T10] do_syscall_64+0xc6/0x1e0 [ 5403.175379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5403.175379][ T10] [ 5403.177076][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5403.177320][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5403.177320][ T10] netdev_get_by_index+0x5e/0x80 [ 5403.177320][ T10] fib6_nh_init+0x3d8/0x1580 [ 5403.177320][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5403.177320][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5403.177320][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5403.177320][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5403.177320][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5403.177320][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5403.177320][ T10] addrconf_dad_begin+0x310/0x670 [ 5403.177320][ T10] addrconf_dad_work+0x10b/0xab0 [ 5403.177320][ T10] process_one_work+0x84d/0x18a0 [ 5403.177320][ T10] worker_thread+0x587/0xd30 [ 5403.177320][ T10] kthread+0x28a/0x350 [ 5403.177320][ T10] ret_from_fork+0x31/0x70 [ 5403.177320][ T10] ret_from_fork_asm+0x1a/0x30 [ 5403.177320][ T10] [ 5403.179227][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5403.179227][ T10] netdev_get_by_index+0x5e/0x80 [ 5403.179227][ T10] fib6_nh_init+0x3d8/0x1580 [ 5403.179227][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5403.179227][ T10] ip6_route_add+0x1c/0x140 [ 5403.179227][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5403.179227][ T10] inet6_addr_add+0x4f8/0xa40 [ 5403.179227][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5403.179227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5403.179227][ T10] netlink_rcv_skb+0x130/0x360 [ 5403.179227][ T10] netlink_unicast+0x449/0x710 [ 5403.179227][ T10] netlink_sendmsg+0x723/0xbe0 [ 5403.179227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5403.179227][ T10] ___sys_sendmsg+0xee/0x170 [ 5403.179227][ T10] __sys_sendmsg+0xcd/0x170 [ 5403.179227][ T10] do_syscall_64+0xc6/0x1e0 [ 5403.179227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5403.179227][ T10] [ 5403.181361][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5403.181361][ T10] netdev_get_by_index+0x5e/0x80 [ 5403.181361][ T10] fib6_nh_init+0x3d8/0x1580 [ 5403.181361][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5403.181361][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5403.181361][ T10] ipv6_add_addr+0x411/0x2000 [ 5403.181361][ T10] inet6_addr_add+0x30e/0xa40 [ 5403.181361][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5403.181361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5403.181361][ T10] netlink_rcv_skb+0x130/0x360 [ 5403.181361][ T10] netlink_unicast+0x449/0x710 [ 5403.181361][ T10] netlink_sendmsg+0x723/0xbe0 [ 5403.181361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5403.181361][ T10] ___sys_sendmsg+0xee/0x170 [ 5403.181361][ T10] __sys_sendmsg+0xcd/0x170 [ 5403.181361][ T10] do_syscall_64+0xc6/0x1e0 [ 5403.181361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5403.181361][ T10] [ 5403.183496][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5403.183496][ T10] netdev_get_by_index+0x5e/0x80 [ 5403.183496][ T10] fib6_nh_init+0x3d8/0x1580 [ 5403.183496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5403.183496][ T10] ip6_route_add+0x1c/0x140 [ 5403.183496][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5403.183496][ T10] addrconf_add_dev+0xe2/0x170 [ 5403.183496][ T10] inet6_addr_add+0x12f/0xa40 [ 5403.183496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5403.183496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5403.183496][ T10] netlink_rcv_skb+0x130/0x360 [ 5403.183496][ T10] netlink_unicast+0x449/0x710 [ 5403.183496][ T10] netlink_sendmsg+0x723/0xbe0 [ 5403.183496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5403.183496][ T10] ___sys_sendmsg+0xee/0x170 [ 5403.183496][ T10] __sys_sendmsg+0xcd/0x170 [ 5403.183496][ T10] do_syscall_64+0xc6/0x1e0 [ 5403.183496][ T10] [ 5403.185595][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5403.185595][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5403.185595][ T10] ipv6_find_idev+0x102/0x170 [ 5403.185595][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5403.185595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5403.185595][ T10] netlink_rcv_skb+0x130/0x360 [ 5403.185595][ T10] netlink_unicast+0x449/0x710 [ 5403.185595][ T10] netlink_sendmsg+0x723/0xbe0 [ 5403.185595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5403.185595][ T10] ___sys_sendmsg+0xee/0x170 [ 5403.185595][ T10] __sys_sendmsg+0xcd/0x170 [ 5403.185595][ T10] do_syscall_64+0xc6/0x1e0 [ 5403.185595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5403.185595][ T10] [ 5403.187198][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5403.187198][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5403.187198][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5403.187198][ T10] ipv6_find_idev+0x102/0x170 [ 5403.187198][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5403.187198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5403.187198][ T10] netlink_rcv_skb+0x130/0x360 [ 5403.187198][ T10] netlink_unicast+0x449/0x710 [ 5403.187198][ T10] netlink_sendmsg+0x723/0xbe0 [ 5403.187198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5403.187198][ T10] ___sys_sendmsg+0xee/0x170 [ 5403.187198][ T10] __sys_sendmsg+0xcd/0x170 [ 5403.187198][ T10] do_syscall_64+0xc6/0x1e0 [ 5403.187198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5403.187198][ T10] [ 5403.189022][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5403.189262][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5403.189262][ T10] netdev_get_by_index+0x5e/0x80 [ 5403.189262][ T10] fib6_nh_init+0x3d8/0x1580 [ 5403.189262][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5403.189262][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5403.189262][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5403.189262][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5403.189262][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5403.189262][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5403.189262][ T10] addrconf_dad_begin+0x310/0x670 [ 5403.189262][ T10] addrconf_dad_work+0x10b/0xab0 [ 5403.189262][ T10] process_one_work+0x84d/0x18a0 [ 5403.189262][ T10] worker_thread+0x587/0xd30 [ 5403.189262][ T10] kthread+0x28a/0x350 [ 5403.189262][ T10] ret_from_fork+0x31/0x70 [ 5403.189262][ T10] ret_from_fork_asm+0x1a/0x30 [ 5403.189262][ T10] [ 5403.191305][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5403.191305][ T10] netdev_get_by_index+0x5e/0x80 [ 5403.191305][ T10] fib6_nh_init+0x3d8/0x1580 [ 5403.191305][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5403.191305][ T10] ip6_route_add+0x1c/0x140 [ 5403.191305][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5403.191305][ T10] inet6_addr_add+0x4f8/0xa40 [ 5403.191305][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5403.191305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5403.191305][ T10] netlink_rcv_skb+0x130/0x360 [ 5403.191305][ T10] netlink_unicast+0x449/0x710 [ 5403.191305][ T10] netlink_sendmsg+0x723/0xbe0 [ 5403.191305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5403.191305][ T10] ___sys_sendmsg+0xee/0x170 [ 5403.191305][ T10] __sys_sendmsg+0xcd/0x170 [ 5403.191305][ T10] do_syscall_64+0xc6/0x1e0 [ 5403.191305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5403.191305][ T10] [ 5403.193435][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5403.193435][ T10] netdev_get_by_index+0x5e/0x80 [ 5403.193435][ T10] fib6_nh_init+0x3d8/0x1580 [ 5403.193435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5403.193435][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5403.193435][ T10] ipv6_add_addr+0x411/0x2000 [ 5403.193435][ T10] inet6_addr_add+0x30e/0xa40 [ 5403.193435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5403.193435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5403.193435][ T10] netlink_rcv_skb+0x130/0x360 [ 5403.193435][ T10] netlink_unicast+0x449/0x710 [ 5403.193435][ T10] netlink_sendmsg+0x723/0xbe0 [ 5403.193435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5403.193435][ T10] ___sys_sendmsg+0xee/0x170 [ 5403.193435][ T10] __sys_sendmsg+0xcd/0x170 [ 5403.193435][ T10] do_syscall_64+0xc6/0x1e0 [ 5403.193435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5403.193435][ T10] [ 5403.195581][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5403.195581][ T10] netdev_get_by_index+0x5e/0x80 [ 5403.195581][ T10] fib6_nh_init+0x3d8/0x1580 [ 5403.195581][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5403.195581][ T10] ip6_route_add+0x1c/0x140 [ 5403.195581][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5403.195581][ T10] addrconf_add_dev+0xe2/0x170 [ 5403.195581][ T10] inet6_addr_add+0x12f/0xa40 [ 5403.195581][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5403.195581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5403.195581][ T10] netlink_rcv_skb+0x130/0x360 [ 5403.195581][ T10] netlink_unicast+0x449/0x710 [ 5403.195581][ T10] netlink_sendmsg+0x723/0xbe0 [ 5403.195581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5403.195581][ T10] ___sys_sendmsg+0xee/0x170 [ 5403.195581][ T10] __sys_sendmsg+0xcd/0x170 [ 5403.195581][ T10] do_syscall_64+0xc6/0x1e0 [ 5403.195581][ T10] [ 5403.197738][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5403.197738][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5403.197738][ T10] ipv6_find_idev+0x102/0x170 [ 5403.197738][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5403.197738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5403.197738][ T10] netlink_rcv_skb+0x130/0x360 [ 5403.197738][ T10] netlink_unicast+0x449/0x710 [ 5403.197738][ T10] netlink_sendmsg+0x723/0xbe0 [ 5403.197738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5403.197738][ T10] ___sys_sendmsg+0xee/0x170 [ 5403.197738][ T10] __sys_sendmsg+0xcd/0x170 [ 5403.197738][ T10] do_syscall_64+0xc6/0x1e0 [ 5403.197738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5403.197738][ T10] [ 5403.199339][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5403.199339][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5403.199339][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5403.199339][ T10] ipv6_find_idev+0x102/0x170 [ 5403.199339][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5403.199339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5403.199339][ T10] netlink_rcv_skb+0x130/0x360 [ 5403.199339][ T10] netlink_unicast+0x449/0x710 [ 5403.199339][ T10] netlink_sendmsg+0x723/0xbe0 [ 5403.199339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5403.199339][ T10] ___sys_sendmsg+0xee/0x170 [ 5403.199339][ T10] __sys_sendmsg+0xcd/0x170 [ 5403.199339][ T10] do_syscall_64+0xc6/0x1e0 [ 5403.199339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5403.199339][ T10] [ 5405.297125][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5405.297679][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5405.297679][ T1167] dst_init+0x84/0x4a0 [ 5405.297679][ T1167] dst_alloc+0x97/0x150 [ 5405.297679][ T1167] ip6_dst_alloc+0x23/0x90 [ 5405.297679][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5405.297679][ T1167] ip6_pol_route+0x56f/0x840 [ 5405.297679][ T1167] fib6_rule_lookup+0x334/0x630 [ 5405.297679][ T1167] ip6_route_output_flags+0x259/0x480 [ 5405.297679][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5405.297679][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5405.297679][ T1167] netlink_rcv_skb+0x130/0x360 [ 5405.297679][ T1167] netlink_unicast+0x449/0x710 [ 5405.297679][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5405.297679][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5405.297679][ T1167] ___sys_sendmsg+0xee/0x170 [ 5405.297679][ T1167] __sys_sendmsg+0xcd/0x170 [ 5405.297679][ T1167] do_syscall_64+0xc6/0x1e0 [ 5405.297679][ T1167] [ 5405.300138][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5405.300138][ T1167] netdev_get_by_index+0x5e/0x80 [ 5405.300138][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5405.300138][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5405.300138][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5405.300138][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5405.300138][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5405.300138][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5405.300138][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5405.300138][ T1167] addrconf_dad_begin+0x310/0x670 [ 5405.300138][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5405.300138][ T1167] process_one_work+0x84d/0x18a0 [ 5405.300138][ T1167] worker_thread+0x587/0xd30 [ 5405.300138][ T1167] kthread+0x28a/0x350 [ 5405.300138][ T1167] ret_from_fork+0x31/0x70 [ 5405.300138][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5405.300138][ T1167] [ 5405.302529][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5405.302529][ T1167] netdev_get_by_index+0x5e/0x80 [ 5405.302529][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5405.302529][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5405.302529][ T1167] ip6_route_add+0x1c/0x140 [ 5405.302529][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5405.302529][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5405.302529][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5405.302529][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5405.302529][ T1167] netlink_rcv_skb+0x130/0x360 [ 5405.302529][ T1167] netlink_unicast+0x449/0x710 [ 5405.302529][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5405.302529][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5405.302529][ T1167] ___sys_sendmsg+0xee/0x170 [ 5405.302529][ T1167] __sys_sendmsg+0xcd/0x170 [ 5405.302529][ T1167] do_syscall_64+0xc6/0x1e0 [ 5405.302529][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5405.302529][ T1167] [ 5405.305040][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5405.305040][ T1167] netdev_get_by_index+0x5e/0x80 [ 5405.305040][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5405.305040][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5405.305040][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5405.305040][ T1167] ipv6_add_addr+0x411/0x2000 [ 5405.305040][ T1167] inet6_addr_add+0x30e/0xa40 [ 5405.305040][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5405.305040][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5405.305040][ T1167] netlink_rcv_skb+0x130/0x360 [ 5405.305040][ T1167] netlink_unicast+0x449/0x710 [ 5405.305040][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5405.305040][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5405.305040][ T1167] ___sys_sendmsg+0xee/0x170 [ 5405.305040][ T1167] __sys_sendmsg+0xcd/0x170 [ 5405.305040][ T1167] do_syscall_64+0xc6/0x1e0 [ 5405.305040][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5405.305040][ T1167] [ 5405.307535][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5405.307535][ T1167] netdev_get_by_index+0x5e/0x80 [ 5405.307535][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5405.307535][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5405.307535][ T1167] ip6_route_add+0x1c/0x140 [ 5405.307535][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5405.307535][ T1167] addrconf_add_dev+0xe2/0x170 [ 5405.307535][ T1167] inet6_addr_add+0x12f/0xa40 [ 5405.307535][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5405.307535][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5405.307535][ T1167] netlink_rcv_skb+0x130/0x360 [ 5405.307535][ T1167] netlink_unicast+0x449/0x710 [ 5405.307535][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5405.307535][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5405.307535][ T1167] ___sys_sendmsg+0xee/0x170 [ 5405.307535][ T1167] __sys_sendmsg+0xcd/0x170 [ 5405.307535][ T1167] do_syscall_64+0xc6/0x1e0 [ 5405.307535][ T1167] [ 5405.309984][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5405.309984][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5405.309984][ T1167] ipv6_find_idev+0x102/0x170 [ 5405.309984][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5405.309984][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5405.309984][ T1167] netlink_rcv_skb+0x130/0x360 [ 5405.309984][ T1167] netlink_unicast+0x449/0x710 [ 5405.309984][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5405.309984][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5405.309984][ T1167] ___sys_sendmsg+0xee/0x170 [ 5405.309984][ T1167] __sys_sendmsg+0xcd/0x170 [ 5405.309984][ T1167] do_syscall_64+0xc6/0x1e0 [ 5405.309984][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5405.309984][ T1167] [ 5405.311906][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5405.311906][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5405.311906][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5405.311906][ T1167] ipv6_find_idev+0x102/0x170 [ 5405.311906][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5405.311906][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5405.311906][ T1167] netlink_rcv_skb+0x130/0x360 [ 5405.311906][ T1167] netlink_unicast+0x449/0x710 [ 5405.311906][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5405.311906][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5405.311906][ T1167] ___sys_sendmsg+0xee/0x170 [ 5405.311906][ T1167] __sys_sendmsg+0xcd/0x170 [ 5405.311906][ T1167] do_syscall_64+0xc6/0x1e0 [ 5405.311906][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5405.311906][ T1167] [ 5413.249191][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5413.249628][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5413.249628][ T10] netdev_get_by_index+0x5e/0x80 [ 5413.249628][ T10] fib6_nh_init+0x3d8/0x1580 [ 5413.249628][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5413.249628][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5413.249628][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5413.249628][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5413.249628][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5413.249628][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5413.249628][ T10] addrconf_dad_begin+0x310/0x670 [ 5413.249628][ T10] addrconf_dad_work+0x10b/0xab0 [ 5413.249628][ T10] process_one_work+0x84d/0x18a0 [ 5413.249628][ T10] worker_thread+0x587/0xd30 [ 5413.249628][ T10] kthread+0x28a/0x350 [ 5413.249628][ T10] ret_from_fork+0x31/0x70 [ 5413.249628][ T10] ret_from_fork_asm+0x1a/0x30 [ 5413.249628][ T10] [ 5413.251579][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5413.251579][ T10] netdev_get_by_index+0x5e/0x80 [ 5413.251579][ T10] fib6_nh_init+0x3d8/0x1580 [ 5413.251579][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5413.251579][ T10] ip6_route_add+0x1c/0x140 [ 5413.251579][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5413.251579][ T10] inet6_addr_add+0x4f8/0xa40 [ 5413.251579][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5413.251579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5413.251579][ T10] netlink_rcv_skb+0x130/0x360 [ 5413.251579][ T10] netlink_unicast+0x449/0x710 [ 5413.251579][ T10] netlink_sendmsg+0x723/0xbe0 [ 5413.251579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5413.251579][ T10] ___sys_sendmsg+0xee/0x170 [ 5413.251579][ T10] __sys_sendmsg+0xcd/0x170 [ 5413.251579][ T10] do_syscall_64+0xc6/0x1e0 [ 5413.251579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5413.251579][ T10] [ 5413.253598][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5413.253598][ T10] netdev_get_by_index+0x5e/0x80 [ 5413.253598][ T10] fib6_nh_init+0x3d8/0x1580 [ 5413.253598][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5413.253598][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5413.253598][ T10] ipv6_add_addr+0x411/0x2000 [ 5413.253598][ T10] inet6_addr_add+0x30e/0xa40 [ 5413.253598][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5413.253598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5413.253598][ T10] netlink_rcv_skb+0x130/0x360 [ 5413.253598][ T10] netlink_unicast+0x449/0x710 [ 5413.253598][ T10] netlink_sendmsg+0x723/0xbe0 [ 5413.253598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5413.253598][ T10] ___sys_sendmsg+0xee/0x170 [ 5413.253598][ T10] __sys_sendmsg+0xcd/0x170 [ 5413.253598][ T10] do_syscall_64+0xc6/0x1e0 [ 5413.253598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5413.253598][ T10] [ 5413.255611][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5413.255611][ T10] netdev_get_by_index+0x5e/0x80 [ 5413.255611][ T10] fib6_nh_init+0x3d8/0x1580 [ 5413.255611][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5413.255611][ T10] ip6_route_add+0x1c/0x140 [ 5413.255611][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5413.255611][ T10] addrconf_add_dev+0xe2/0x170 [ 5413.255611][ T10] inet6_addr_add+0x12f/0xa40 [ 5413.255611][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5413.255611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5413.255611][ T10] netlink_rcv_skb+0x130/0x360 [ 5413.255611][ T10] netlink_unicast+0x449/0x710 [ 5413.255611][ T10] netlink_sendmsg+0x723/0xbe0 [ 5413.255611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5413.255611][ T10] ___sys_sendmsg+0xee/0x170 [ 5413.255611][ T10] __sys_sendmsg+0xcd/0x170 [ 5413.255611][ T10] do_syscall_64+0xc6/0x1e0 [ 5413.255611][ T10] [ 5413.257578][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5413.257578][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5413.257578][ T10] ipv6_find_idev+0x102/0x170 [ 5413.257578][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5413.257578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5413.257578][ T10] netlink_rcv_skb+0x130/0x360 [ 5413.257578][ T10] netlink_unicast+0x449/0x710 [ 5413.257578][ T10] netlink_sendmsg+0x723/0xbe0 [ 5413.257578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5413.257578][ T10] ___sys_sendmsg+0xee/0x170 [ 5413.257578][ T10] __sys_sendmsg+0xcd/0x170 [ 5413.257578][ T10] do_syscall_64+0xc6/0x1e0 [ 5413.257578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5413.257578][ T10] [ 5413.259121][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5413.259121][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5413.259121][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5413.259121][ T10] ipv6_find_idev+0x102/0x170 [ 5413.259121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5413.259121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5413.259121][ T10] netlink_rcv_skb+0x130/0x360 [ 5413.259121][ T10] netlink_unicast+0x449/0x710 [ 5413.259121][ T10] netlink_sendmsg+0x723/0xbe0 [ 5413.259121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5413.259121][ T10] ___sys_sendmsg+0xee/0x170 [ 5413.259121][ T10] __sys_sendmsg+0xcd/0x170 [ 5413.259121][ T10] do_syscall_64+0xc6/0x1e0 [ 5413.259121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5413.259121][ T10] [ 5413.260833][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5413.261132][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5413.261132][ T10] netdev_get_by_index+0x5e/0x80 [ 5413.261132][ T10] fib6_nh_init+0x3d8/0x1580 [ 5413.261132][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5413.261132][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5413.261132][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5413.261132][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5413.261132][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5413.261132][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5413.261132][ T10] addrconf_dad_begin+0x310/0x670 [ 5413.261132][ T10] addrconf_dad_work+0x10b/0xab0 [ 5413.261132][ T10] process_one_work+0x84d/0x18a0 [ 5413.261132][ T10] worker_thread+0x587/0xd30 [ 5413.261132][ T10] kthread+0x28a/0x350 [ 5413.261132][ T10] ret_from_fork+0x31/0x70 [ 5413.261132][ T10] ret_from_fork_asm+0x1a/0x30 [ 5413.261132][ T10] [ 5413.263049][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5413.263049][ T10] netdev_get_by_index+0x5e/0x80 [ 5413.263049][ T10] fib6_nh_init+0x3d8/0x1580 [ 5413.263049][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5413.263049][ T10] ip6_route_add+0x1c/0x140 [ 5413.263049][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5413.263049][ T10] inet6_addr_add+0x4f8/0xa40 [ 5413.263049][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5413.263049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5413.263049][ T10] netlink_rcv_skb+0x130/0x360 [ 5413.263049][ T10] netlink_unicast+0x449/0x710 [ 5413.263049][ T10] netlink_sendmsg+0x723/0xbe0 [ 5413.263049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5413.263049][ T10] ___sys_sendmsg+0xee/0x170 [ 5413.263049][ T10] __sys_sendmsg+0xcd/0x170 [ 5413.263049][ T10] do_syscall_64+0xc6/0x1e0 [ 5413.263049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5413.263049][ T10] [ 5413.265044][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5413.265044][ T10] netdev_get_by_index+0x5e/0x80 [ 5413.265044][ T10] fib6_nh_init+0x3d8/0x1580 [ 5413.265044][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5413.265044][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5413.265044][ T10] ipv6_add_addr+0x411/0x2000 [ 5413.265044][ T10] inet6_addr_add+0x30e/0xa40 [ 5413.265044][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5413.265044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5413.265044][ T10] netlink_rcv_skb+0x130/0x360 [ 5413.265044][ T10] netlink_unicast+0x449/0x710 [ 5413.265044][ T10] netlink_sendmsg+0x723/0xbe0 [ 5413.265044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5413.265044][ T10] ___sys_sendmsg+0xee/0x170 [ 5413.265044][ T10] __sys_sendmsg+0xcd/0x170 [ 5413.265044][ T10] do_syscall_64+0xc6/0x1e0 [ 5413.265044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5413.265044][ T10] [ 5413.267041][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5413.267041][ T10] netdev_get_by_index+0x5e/0x80 [ 5413.267041][ T10] fib6_nh_init+0x3d8/0x1580 [ 5413.267041][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5413.267041][ T10] ip6_route_add+0x1c/0x140 [ 5413.267041][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5413.267041][ T10] addrconf_add_dev+0xe2/0x170 [ 5413.267041][ T10] inet6_addr_add+0x12f/0xa40 [ 5413.267041][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5413.267041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5413.267041][ T10] netlink_rcv_skb+0x130/0x360 [ 5413.267041][ T10] netlink_unicast+0x449/0x710 [ 5413.267041][ T10] netlink_sendmsg+0x723/0xbe0 [ 5413.267041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5413.267041][ T10] ___sys_sendmsg+0xee/0x170 [ 5413.267041][ T10] __sys_sendmsg+0xcd/0x170 [ 5413.267041][ T10] do_syscall_64+0xc6/0x1e0 [ 5413.267041][ T10] [ 5413.269027][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5413.269027][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5413.269027][ T10] ipv6_find_idev+0x102/0x170 [ 5413.269027][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5413.269027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5413.269027][ T10] netlink_rcv_skb+0x130/0x360 [ 5413.269027][ T10] netlink_unicast+0x449/0x710 [ 5413.269027][ T10] netlink_sendmsg+0x723/0xbe0 [ 5413.269027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5413.269027][ T10] ___sys_sendmsg+0xee/0x170 [ 5413.269027][ T10] __sys_sendmsg+0xcd/0x170 [ 5413.269027][ T10] do_syscall_64+0xc6/0x1e0 [ 5413.269027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5413.269027][ T10] [ 5413.270575][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5413.270575][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5413.270575][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5413.270575][ T10] ipv6_find_idev+0x102/0x170 [ 5413.270575][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5413.270575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5413.270575][ T10] netlink_rcv_skb+0x130/0x360 [ 5413.270575][ T10] netlink_unicast+0x449/0x710 [ 5413.270575][ T10] netlink_sendmsg+0x723/0xbe0 [ 5413.270575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5413.270575][ T10] ___sys_sendmsg+0xee/0x170 [ 5413.270575][ T10] __sys_sendmsg+0xcd/0x170 [ 5413.270575][ T10] do_syscall_64+0xc6/0x1e0 [ 5413.270575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5413.270575][ T10] [ 5413.272278][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5413.272537][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5413.272537][ T10] netdev_get_by_index+0x5e/0x80 [ 5413.272537][ T10] fib6_nh_init+0x3d8/0x1580 [ 5413.272537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5413.272537][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5413.272537][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5413.272537][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5413.272537][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5413.272537][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5413.272537][ T10] addrconf_dad_begin+0x310/0x670 [ 5413.272537][ T10] addrconf_dad_work+0x10b/0xab0 [ 5413.272537][ T10] process_one_work+0x84d/0x18a0 [ 5413.272537][ T10] worker_thread+0x587/0xd30 [ 5413.272537][ T10] kthread+0x28a/0x350 [ 5413.272537][ T10] ret_from_fork+0x31/0x70 [ 5413.272537][ T10] ret_from_fork_asm+0x1a/0x30 [ 5413.272537][ T10] [ 5413.274463][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5413.274463][ T10] netdev_get_by_index+0x5e/0x80 [ 5413.274463][ T10] fib6_nh_init+0x3d8/0x1580 [ 5413.274463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5413.274463][ T10] ip6_route_add+0x1c/0x140 [ 5413.274463][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5413.274463][ T10] inet6_addr_add+0x4f8/0xa40 [ 5413.274463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5413.274463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5413.274463][ T10] netlink_rcv_skb+0x130/0x360 [ 5413.274463][ T10] netlink_unicast+0x449/0x710 [ 5413.274463][ T10] netlink_sendmsg+0x723/0xbe0 [ 5413.274463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5413.274463][ T10] ___sys_sendmsg+0xee/0x170 [ 5413.274463][ T10] __sys_sendmsg+0xcd/0x170 [ 5413.274463][ T10] do_syscall_64+0xc6/0x1e0 [ 5413.274463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5413.274463][ T10] [ 5413.276678][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5413.276678][ T10] netdev_get_by_index+0x5e/0x80 [ 5413.276678][ T10] fib6_nh_init+0x3d8/0x1580 [ 5413.276678][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5413.276678][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5413.276678][ T10] ipv6_add_addr+0x411/0x2000 [ 5413.276678][ T10] inet6_addr_add+0x30e/0xa40 [ 5413.276678][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5413.276678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5413.276678][ T10] netlink_rcv_skb+0x130/0x360 [ 5413.276678][ T10] netlink_unicast+0x449/0x710 [ 5413.276678][ T10] netlink_sendmsg+0x723/0xbe0 [ 5413.276678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5413.276678][ T10] ___sys_sendmsg+0xee/0x170 [ 5413.276678][ T10] __sys_sendmsg+0xcd/0x170 [ 5413.276678][ T10] do_syscall_64+0xc6/0x1e0 [ 5413.276678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5413.276678][ T10] [ 5413.278933][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5413.278933][ T10] netdev_get_by_index+0x5e/0x80 [ 5413.278933][ T10] fib6_nh_init+0x3d8/0x1580 [ 5413.278933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5413.278933][ T10] ip6_route_add+0x1c/0x140 [ 5413.278933][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5413.278933][ T10] addrconf_add_dev+0xe2/0x170 [ 5413.278933][ T10] inet6_addr_add+0x12f/0xa40 [ 5413.278933][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5413.278933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5413.278933][ T10] netlink_rcv_skb+0x130/0x360 [ 5413.278933][ T10] netlink_unicast+0x449/0x710 [ 5413.278933][ T10] netlink_sendmsg+0x723/0xbe0 [ 5413.278933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5413.278933][ T10] ___sys_sendmsg+0xee/0x170 [ 5413.278933][ T10] __sys_sendmsg+0xcd/0x170 [ 5413.278933][ T10] do_syscall_64+0xc6/0x1e0 [ 5413.278933][ T10] [ 5413.281174][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5413.281174][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5413.281174][ T10] ipv6_find_idev+0x102/0x170 [ 5413.281174][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5413.281174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5413.281174][ T10] netlink_rcv_skb+0x130/0x360 [ 5413.281174][ T10] netlink_unicast+0x449/0x710 [ 5413.281174][ T10] netlink_sendmsg+0x723/0xbe0 [ 5413.281174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5413.281174][ T10] ___sys_sendmsg+0xee/0x170 [ 5413.281174][ T10] __sys_sendmsg+0xcd/0x170 [ 5413.281174][ T10] do_syscall_64+0xc6/0x1e0 [ 5413.281174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5413.281174][ T10] [ 5413.282985][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5413.282985][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5413.282985][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5413.282985][ T10] ipv6_find_idev+0x102/0x170 [ 5413.282985][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5413.282985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5413.282985][ T10] netlink_rcv_skb+0x130/0x360 [ 5413.282985][ T10] netlink_unicast+0x449/0x710 [ 5413.282985][ T10] netlink_sendmsg+0x723/0xbe0 [ 5413.282985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5413.282985][ T10] ___sys_sendmsg+0xee/0x170 [ 5413.282985][ T10] __sys_sendmsg+0xcd/0x170 [ 5413.282985][ T10] do_syscall_64+0xc6/0x1e0 [ 5413.282985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5413.282985][ T10] [ 5413.284872][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5413.285543][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5413.285543][ T10] netdev_get_by_index+0x5e/0x80 [ 5413.285543][ T10] fib6_nh_init+0x3d8/0x1580 [ 5413.285543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5413.285543][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5413.285543][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5413.285543][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5413.285543][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5413.285543][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5413.285543][ T10] addrconf_dad_begin+0x310/0x670 [ 5413.285543][ T10] addrconf_dad_work+0x10b/0xab0 [ 5413.285543][ T10] process_one_work+0x84d/0x18a0 [ 5413.285543][ T10] worker_thread+0x587/0xd30 [ 5413.285543][ T10] kthread+0x28a/0x350 [ 5413.285543][ T10] ret_from_fork+0x31/0x70 [ 5413.285543][ T10] ret_from_fork_asm+0x1a/0x30 [ 5413.285543][ T10] [ 5413.287501][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5413.287501][ T10] netdev_get_by_index+0x5e/0x80 [ 5413.287501][ T10] fib6_nh_init+0x3d8/0x1580 [ 5413.287501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5413.287501][ T10] ip6_route_add+0x1c/0x140 [ 5413.287501][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5413.287501][ T10] inet6_addr_add+0x4f8/0xa40 [ 5413.287501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5413.287501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5413.287501][ T10] netlink_rcv_skb+0x130/0x360 [ 5413.287501][ T10] netlink_unicast+0x449/0x710 [ 5413.287501][ T10] netlink_sendmsg+0x723/0xbe0 [ 5413.287501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5413.287501][ T10] ___sys_sendmsg+0xee/0x170 [ 5413.287501][ T10] __sys_sendmsg+0xcd/0x170 [ 5413.287501][ T10] do_syscall_64+0xc6/0x1e0 [ 5413.287501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5413.287501][ T10] [ 5413.289652][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5413.289652][ T10] netdev_get_by_index+0x5e/0x80 [ 5413.289652][ T10] fib6_nh_init+0x3d8/0x1580 [ 5413.289652][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5413.289652][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5413.289652][ T10] ipv6_add_addr+0x411/0x2000 [ 5413.289652][ T10] inet6_addr_add+0x30e/0xa40 [ 5413.289652][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5413.289652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5413.289652][ T10] netlink_rcv_skb+0x130/0x360 [ 5413.289652][ T10] netlink_unicast+0x449/0x710 [ 5413.289652][ T10] netlink_sendmsg+0x723/0xbe0 [ 5413.289652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5413.289652][ T10] ___sys_sendmsg+0xee/0x170 [ 5413.289652][ T10] __sys_sendmsg+0xcd/0x170 [ 5413.289652][ T10] do_syscall_64+0xc6/0x1e0 [ 5413.289652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5413.289652][ T10] [ 5413.291936][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5413.291936][ T10] netdev_get_by_index+0x5e/0x80 [ 5413.291936][ T10] fib6_nh_init+0x3d8/0x1580 [ 5413.291936][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5413.291936][ T10] ip6_route_add+0x1c/0x140 [ 5413.291936][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5413.291936][ T10] addrconf_add_dev+0xe2/0x170 [ 5413.291936][ T10] inet6_addr_add+0x12f/0xa40 [ 5413.291936][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5413.291936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5413.291936][ T10] netlink_rcv_skb+0x130/0x360 [ 5413.291936][ T10] netlink_unicast+0x449/0x710 [ 5413.291936][ T10] netlink_sendmsg+0x723/0xbe0 [ 5413.291936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5413.291936][ T10] ___sys_sendmsg+0xee/0x170 [ 5413.291936][ T10] __sys_sendmsg+0xcd/0x170 [ 5413.291936][ T10] do_syscall_64+0xc6/0x1e0 [ 5413.291936][ T10] [ 5413.294129][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5413.294129][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5413.294129][ T10] ipv6_find_idev+0x102/0x170 [ 5413.294129][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5413.294129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5413.294129][ T10] netlink_rcv_skb+0x130/0x360 [ 5413.294129][ T10] netlink_unicast+0x449/0x710 [ 5413.294129][ T10] netlink_sendmsg+0x723/0xbe0 [ 5413.294129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5413.294129][ T10] ___sys_sendmsg+0xee/0x170 [ 5413.294129][ T10] __sys_sendmsg+0xcd/0x170 [ 5413.294129][ T10] do_syscall_64+0xc6/0x1e0 [ 5413.294129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5413.294129][ T10] [ 5413.296063][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5413.296063][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5413.296063][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5413.296063][ T10] ipv6_find_idev+0x102/0x170 [ 5413.296063][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5413.296063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5413.296063][ T10] netlink_rcv_skb+0x130/0x360 [ 5413.296063][ T10] netlink_unicast+0x449/0x710 [ 5413.296063][ T10] netlink_sendmsg+0x723/0xbe0 [ 5413.296063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5413.296063][ T10] ___sys_sendmsg+0xee/0x170 [ 5413.296063][ T10] __sys_sendmsg+0xcd/0x170 [ 5413.296063][ T10] do_syscall_64+0xc6/0x1e0 [ 5413.296063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5413.296063][ T10] [ 5415.553150][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5415.553673][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5415.553673][ T1167] dst_init+0x84/0x4a0 [ 5415.553673][ T1167] dst_alloc+0x97/0x150 [ 5415.553673][ T1167] ip6_dst_alloc+0x23/0x90 [ 5415.553673][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5415.553673][ T1167] ip6_pol_route+0x56f/0x840 [ 5415.553673][ T1167] fib6_rule_lookup+0x334/0x630 [ 5415.553673][ T1167] ip6_route_output_flags+0x259/0x480 [ 5415.553673][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5415.553673][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5415.553673][ T1167] netlink_rcv_skb+0x130/0x360 [ 5415.553673][ T1167] netlink_unicast+0x449/0x710 [ 5415.553673][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5415.553673][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5415.553673][ T1167] ___sys_sendmsg+0xee/0x170 [ 5415.553673][ T1167] __sys_sendmsg+0xcd/0x170 [ 5415.553673][ T1167] do_syscall_64+0xc6/0x1e0 [ 5415.553673][ T1167] [ 5415.556144][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5415.556144][ T1167] netdev_get_by_index+0x5e/0x80 [ 5415.556144][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5415.556144][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5415.556144][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5415.556144][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5415.556144][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5415.556144][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5415.556144][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5415.556144][ T1167] addrconf_dad_begin+0x310/0x670 [ 5415.556144][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5415.556144][ T1167] process_one_work+0x84d/0x18a0 [ 5415.556144][ T1167] worker_thread+0x587/0xd30 [ 5415.556144][ T1167] kthread+0x28a/0x350 [ 5415.556144][ T1167] ret_from_fork+0x31/0x70 [ 5415.556144][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5415.556144][ T1167] [ 5415.558534][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5415.558534][ T1167] netdev_get_by_index+0x5e/0x80 [ 5415.558534][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5415.558534][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5415.558534][ T1167] ip6_route_add+0x1c/0x140 [ 5415.558534][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5415.558534][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5415.558534][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5415.558534][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5415.558534][ T1167] netlink_rcv_skb+0x130/0x360 [ 5415.558534][ T1167] netlink_unicast+0x449/0x710 [ 5415.558534][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5415.558534][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5415.558534][ T1167] ___sys_sendmsg+0xee/0x170 [ 5415.558534][ T1167] __sys_sendmsg+0xcd/0x170 [ 5415.558534][ T1167] do_syscall_64+0xc6/0x1e0 [ 5415.558534][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5415.558534][ T1167] [ 5415.561031][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5415.561031][ T1167] netdev_get_by_index+0x5e/0x80 [ 5415.561031][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5415.561031][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5415.561031][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5415.561031][ T1167] ipv6_add_addr+0x411/0x2000 [ 5415.561031][ T1167] inet6_addr_add+0x30e/0xa40 [ 5415.561031][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5415.561031][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5415.561031][ T1167] netlink_rcv_skb+0x130/0x360 [ 5415.561031][ T1167] netlink_unicast+0x449/0x710 [ 5415.561031][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5415.561031][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5415.561031][ T1167] ___sys_sendmsg+0xee/0x170 [ 5415.561031][ T1167] __sys_sendmsg+0xcd/0x170 [ 5415.561031][ T1167] do_syscall_64+0xc6/0x1e0 [ 5415.561031][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5415.561031][ T1167] [ 5415.563542][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5415.563542][ T1167] netdev_get_by_index+0x5e/0x80 [ 5415.563542][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5415.563542][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5415.563542][ T1167] ip6_route_add+0x1c/0x140 [ 5415.563542][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5415.563542][ T1167] addrconf_add_dev+0xe2/0x170 [ 5415.563542][ T1167] inet6_addr_add+0x12f/0xa40 [ 5415.563542][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5415.563542][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5415.563542][ T1167] netlink_rcv_skb+0x130/0x360 [ 5415.563542][ T1167] netlink_unicast+0x449/0x710 [ 5415.563542][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5415.563542][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5415.563542][ T1167] ___sys_sendmsg+0xee/0x170 [ 5415.563542][ T1167] __sys_sendmsg+0xcd/0x170 [ 5415.563542][ T1167] do_syscall_64+0xc6/0x1e0 [ 5415.563542][ T1167] [ 5415.565999][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5415.565999][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5415.565999][ T1167] ipv6_find_idev+0x102/0x170 [ 5415.565999][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5415.565999][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5415.565999][ T1167] netlink_rcv_skb+0x130/0x360 [ 5415.565999][ T1167] netlink_unicast+0x449/0x710 [ 5415.565999][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5415.565999][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5415.565999][ T1167] ___sys_sendmsg+0xee/0x170 [ 5415.565999][ T1167] __sys_sendmsg+0xcd/0x170 [ 5415.565999][ T1167] do_syscall_64+0xc6/0x1e0 [ 5415.565999][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5415.565999][ T1167] [ 5415.567907][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5415.567907][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5415.567907][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5415.567907][ T1167] ipv6_find_idev+0x102/0x170 [ 5415.567907][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5415.567907][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5415.567907][ T1167] netlink_rcv_skb+0x130/0x360 [ 5415.567907][ T1167] netlink_unicast+0x449/0x710 [ 5415.567907][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5415.567907][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5415.567907][ T1167] ___sys_sendmsg+0xee/0x170 [ 5415.567907][ T1167] __sys_sendmsg+0xcd/0x170 [ 5415.567907][ T1167] do_syscall_64+0xc6/0x1e0 [ 5415.567907][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5415.567907][ T1167] [ 5423.537113][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5423.537531][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5423.537531][ T10] netdev_get_by_index+0x5e/0x80 [ 5423.537531][ T10] fib6_nh_init+0x3d8/0x1580 [ 5423.537531][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5423.537531][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5423.537531][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5423.537531][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5423.537531][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5423.537531][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5423.537531][ T10] addrconf_dad_begin+0x310/0x670 [ 5423.537531][ T10] addrconf_dad_work+0x10b/0xab0 [ 5423.537531][ T10] process_one_work+0x84d/0x18a0 [ 5423.537531][ T10] worker_thread+0x587/0xd30 [ 5423.537531][ T10] kthread+0x28a/0x350 [ 5423.537531][ T10] ret_from_fork+0x31/0x70 [ 5423.537531][ T10] ret_from_fork_asm+0x1a/0x30 [ 5423.537531][ T10] [ 5423.539464][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5423.539464][ T10] netdev_get_by_index+0x5e/0x80 [ 5423.539464][ T10] fib6_nh_init+0x3d8/0x1580 [ 5423.539464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5423.539464][ T10] ip6_route_add+0x1c/0x140 [ 5423.539464][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5423.539464][ T10] inet6_addr_add+0x4f8/0xa40 [ 5423.539464][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5423.539464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5423.539464][ T10] netlink_rcv_skb+0x130/0x360 [ 5423.539464][ T10] netlink_unicast+0x449/0x710 [ 5423.539464][ T10] netlink_sendmsg+0x723/0xbe0 [ 5423.539464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5423.539464][ T10] ___sys_sendmsg+0xee/0x170 [ 5423.539464][ T10] __sys_sendmsg+0xcd/0x170 [ 5423.539464][ T10] do_syscall_64+0xc6/0x1e0 [ 5423.539464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5423.539464][ T10] [ 5423.542016][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5423.542016][ T10] netdev_get_by_index+0x5e/0x80 [ 5423.542016][ T10] fib6_nh_init+0x3d8/0x1580 [ 5423.542016][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5423.542016][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5423.542016][ T10] ipv6_add_addr+0x411/0x2000 [ 5423.542016][ T10] inet6_addr_add+0x30e/0xa40 [ 5423.542016][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5423.542016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5423.542016][ T10] netlink_rcv_skb+0x130/0x360 [ 5423.542016][ T10] netlink_unicast+0x449/0x710 [ 5423.542016][ T10] netlink_sendmsg+0x723/0xbe0 [ 5423.542016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5423.542016][ T10] ___sys_sendmsg+0xee/0x170 [ 5423.542016][ T10] __sys_sendmsg+0xcd/0x170 [ 5423.542016][ T10] do_syscall_64+0xc6/0x1e0 [ 5423.542016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5423.542016][ T10] [ 5423.544020][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5423.544020][ T10] netdev_get_by_index+0x5e/0x80 [ 5423.544020][ T10] fib6_nh_init+0x3d8/0x1580 [ 5423.544020][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5423.544020][ T10] ip6_route_add+0x1c/0x140 [ 5423.544020][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5423.544020][ T10] addrconf_add_dev+0xe2/0x170 [ 5423.544020][ T10] inet6_addr_add+0x12f/0xa40 [ 5423.544020][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5423.544020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5423.544020][ T10] netlink_rcv_skb+0x130/0x360 [ 5423.544020][ T10] netlink_unicast+0x449/0x710 [ 5423.544020][ T10] netlink_sendmsg+0x723/0xbe0 [ 5423.544020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5423.544020][ T10] ___sys_sendmsg+0xee/0x170 [ 5423.544020][ T10] __sys_sendmsg+0xcd/0x170 [ 5423.544020][ T10] do_syscall_64+0xc6/0x1e0 [ 5423.544020][ T10] [ 5423.545978][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5423.545978][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5423.545978][ T10] ipv6_find_idev+0x102/0x170 [ 5423.545978][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5423.545978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5423.545978][ T10] netlink_rcv_skb+0x130/0x360 [ 5423.545978][ T10] netlink_unicast+0x449/0x710 [ 5423.545978][ T10] netlink_sendmsg+0x723/0xbe0 [ 5423.545978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5423.545978][ T10] ___sys_sendmsg+0xee/0x170 [ 5423.545978][ T10] __sys_sendmsg+0xcd/0x170 [ 5423.545978][ T10] do_syscall_64+0xc6/0x1e0 [ 5423.545978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5423.545978][ T10] [ 5423.547516][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5423.547516][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5423.547516][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5423.547516][ T10] ipv6_find_idev+0x102/0x170 [ 5423.547516][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5423.547516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5423.547516][ T10] netlink_rcv_skb+0x130/0x360 [ 5423.547516][ T10] netlink_unicast+0x449/0x710 [ 5423.547516][ T10] netlink_sendmsg+0x723/0xbe0 [ 5423.547516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5423.547516][ T10] ___sys_sendmsg+0xee/0x170 [ 5423.547516][ T10] __sys_sendmsg+0xcd/0x170 [ 5423.547516][ T10] do_syscall_64+0xc6/0x1e0 [ 5423.547516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5423.547516][ T10] [ 5423.549201][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5423.549443][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5423.549443][ T10] netdev_get_by_index+0x5e/0x80 [ 5423.549443][ T10] fib6_nh_init+0x3d8/0x1580 [ 5423.549443][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5423.549443][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5423.549443][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5423.549443][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5423.549443][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5423.549443][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5423.549443][ T10] addrconf_dad_begin+0x310/0x670 [ 5423.549443][ T10] addrconf_dad_work+0x10b/0xab0 [ 5423.549443][ T10] process_one_work+0x84d/0x18a0 [ 5423.549443][ T10] worker_thread+0x587/0xd30 [ 5423.549443][ T10] kthread+0x28a/0x350 [ 5423.549443][ T10] ret_from_fork+0x31/0x70 [ 5423.549443][ T10] ret_from_fork_asm+0x1a/0x30 [ 5423.549443][ T10] [ 5423.551331][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5423.551331][ T10] netdev_get_by_index+0x5e/0x80 [ 5423.551331][ T10] fib6_nh_init+0x3d8/0x1580 [ 5423.551331][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5423.551331][ T10] ip6_route_add+0x1c/0x140 [ 5423.551331][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5423.551331][ T10] inet6_addr_add+0x4f8/0xa40 [ 5423.551331][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5423.551331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5423.551331][ T10] netlink_rcv_skb+0x130/0x360 [ 5423.551331][ T10] netlink_unicast+0x449/0x710 [ 5423.551331][ T10] netlink_sendmsg+0x723/0xbe0 [ 5423.551331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5423.551331][ T10] ___sys_sendmsg+0xee/0x170 [ 5423.551331][ T10] __sys_sendmsg+0xcd/0x170 [ 5423.551331][ T10] do_syscall_64+0xc6/0x1e0 [ 5423.551331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5423.551331][ T10] [ 5423.553328][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5423.553328][ T10] netdev_get_by_index+0x5e/0x80 [ 5423.553328][ T10] fib6_nh_init+0x3d8/0x1580 [ 5423.553328][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5423.553328][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5423.553328][ T10] ipv6_add_addr+0x411/0x2000 [ 5423.553328][ T10] inet6_addr_add+0x30e/0xa40 [ 5423.553328][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5423.553328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5423.553328][ T10] netlink_rcv_skb+0x130/0x360 [ 5423.553328][ T10] netlink_unicast+0x449/0x710 [ 5423.553328][ T10] netlink_sendmsg+0x723/0xbe0 [ 5423.553328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5423.553328][ T10] ___sys_sendmsg+0xee/0x170 [ 5423.553328][ T10] __sys_sendmsg+0xcd/0x170 [ 5423.553328][ T10] do_syscall_64+0xc6/0x1e0 [ 5423.553328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5423.553328][ T10] [ 5423.555314][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5423.555314][ T10] netdev_get_by_index+0x5e/0x80 [ 5423.555314][ T10] fib6_nh_init+0x3d8/0x1580 [ 5423.555314][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5423.555314][ T10] ip6_route_add+0x1c/0x140 [ 5423.555314][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5423.555314][ T10] addrconf_add_dev+0xe2/0x170 [ 5423.555314][ T10] inet6_addr_add+0x12f/0xa40 [ 5423.555314][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5423.555314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5423.555314][ T10] netlink_rcv_skb+0x130/0x360 [ 5423.555314][ T10] netlink_unicast+0x449/0x710 [ 5423.555314][ T10] netlink_sendmsg+0x723/0xbe0 [ 5423.555314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5423.555314][ T10] ___sys_sendmsg+0xee/0x170 [ 5423.555314][ T10] __sys_sendmsg+0xcd/0x170 [ 5423.555314][ T10] do_syscall_64+0xc6/0x1e0 [ 5423.555314][ T10] [ 5423.557267][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5423.557267][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5423.557267][ T10] ipv6_find_idev+0x102/0x170 [ 5423.557267][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5423.557267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5423.557267][ T10] netlink_rcv_skb+0x130/0x360 [ 5423.557267][ T10] netlink_unicast+0x449/0x710 [ 5423.557267][ T10] netlink_sendmsg+0x723/0xbe0 [ 5423.557267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5423.557267][ T10] ___sys_sendmsg+0xee/0x170 [ 5423.557267][ T10] __sys_sendmsg+0xcd/0x170 [ 5423.557267][ T10] do_syscall_64+0xc6/0x1e0 [ 5423.557267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5423.557267][ T10] [ 5423.558790][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5423.558790][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5423.558790][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5423.558790][ T10] ipv6_find_idev+0x102/0x170 [ 5423.558790][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5423.558790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5423.558790][ T10] netlink_rcv_skb+0x130/0x360 [ 5423.558790][ T10] netlink_unicast+0x449/0x710 [ 5423.558790][ T10] netlink_sendmsg+0x723/0xbe0 [ 5423.558790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5423.558790][ T10] ___sys_sendmsg+0xee/0x170 [ 5423.558790][ T10] __sys_sendmsg+0xcd/0x170 [ 5423.558790][ T10] do_syscall_64+0xc6/0x1e0 [ 5423.558790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5423.558790][ T10] [ 5423.562848][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5423.563100][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5423.563100][ T10] netdev_get_by_index+0x5e/0x80 [ 5423.563100][ T10] fib6_nh_init+0x3d8/0x1580 [ 5423.563100][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5423.563100][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5423.563100][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5423.563100][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5423.563100][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5423.563100][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5423.563100][ T10] addrconf_dad_begin+0x310/0x670 [ 5423.563100][ T10] addrconf_dad_work+0x10b/0xab0 [ 5423.563100][ T10] process_one_work+0x84d/0x18a0 [ 5423.563100][ T10] worker_thread+0x587/0xd30 [ 5423.563100][ T10] kthread+0x28a/0x350 [ 5423.563100][ T10] ret_from_fork+0x31/0x70 [ 5423.563100][ T10] ret_from_fork_asm+0x1a/0x30 [ 5423.563100][ T10] [ 5423.565019][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5423.565019][ T10] netdev_get_by_index+0x5e/0x80 [ 5423.565019][ T10] fib6_nh_init+0x3d8/0x1580 [ 5423.565019][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5423.565019][ T10] ip6_route_add+0x1c/0x140 [ 5423.565019][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5423.565019][ T10] inet6_addr_add+0x4f8/0xa40 [ 5423.565019][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5423.565019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5423.565019][ T10] netlink_rcv_skb+0x130/0x360 [ 5423.565019][ T10] netlink_unicast+0x449/0x710 [ 5423.565019][ T10] netlink_sendmsg+0x723/0xbe0 [ 5423.565019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5423.565019][ T10] ___sys_sendmsg+0xee/0x170 [ 5423.565019][ T10] __sys_sendmsg+0xcd/0x170 [ 5423.565019][ T10] do_syscall_64+0xc6/0x1e0 [ 5423.565019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5423.565019][ T10] [ 5423.567329][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5423.567329][ T10] netdev_get_by_index+0x5e/0x80 [ 5423.567329][ T10] fib6_nh_init+0x3d8/0x1580 [ 5423.567329][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5423.567329][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5423.567329][ T10] ipv6_add_addr+0x411/0x2000 [ 5423.567329][ T10] inet6_addr_add+0x30e/0xa40 [ 5423.567329][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5423.567329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5423.567329][ T10] netlink_rcv_skb+0x130/0x360 [ 5423.567329][ T10] netlink_unicast+0x449/0x710 [ 5423.567329][ T10] netlink_sendmsg+0x723/0xbe0 [ 5423.567329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5423.567329][ T10] ___sys_sendmsg+0xee/0x170 [ 5423.567329][ T10] __sys_sendmsg+0xcd/0x170 [ 5423.567329][ T10] do_syscall_64+0xc6/0x1e0 [ 5423.567329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5423.567329][ T10] [ 5423.569567][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5423.569567][ T10] netdev_get_by_index+0x5e/0x80 [ 5423.569567][ T10] fib6_nh_init+0x3d8/0x1580 [ 5423.569567][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5423.569567][ T10] ip6_route_add+0x1c/0x140 [ 5423.569567][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5423.569567][ T10] addrconf_add_dev+0xe2/0x170 [ 5423.569567][ T10] inet6_addr_add+0x12f/0xa40 [ 5423.569567][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5423.569567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5423.569567][ T10] netlink_rcv_skb+0x130/0x360 [ 5423.569567][ T10] netlink_unicast+0x449/0x710 [ 5423.569567][ T10] netlink_sendmsg+0x723/0xbe0 [ 5423.569567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5423.569567][ T10] ___sys_sendmsg+0xee/0x170 [ 5423.569567][ T10] __sys_sendmsg+0xcd/0x170 [ 5423.569567][ T10] do_syscall_64+0xc6/0x1e0 [ 5423.569567][ T10] [ 5423.571711][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5423.571711][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5423.571711][ T10] ipv6_find_idev+0x102/0x170 [ 5423.571711][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5423.571711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5423.571711][ T10] netlink_rcv_skb+0x130/0x360 [ 5423.571711][ T10] netlink_unicast+0x449/0x710 [ 5423.571711][ T10] netlink_sendmsg+0x723/0xbe0 [ 5423.571711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5423.571711][ T10] ___sys_sendmsg+0xee/0x170 [ 5423.571711][ T10] __sys_sendmsg+0xcd/0x170 [ 5423.571711][ T10] do_syscall_64+0xc6/0x1e0 [ 5423.571711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5423.571711][ T10] [ 5423.573426][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5423.573426][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5423.573426][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5423.573426][ T10] ipv6_find_idev+0x102/0x170 [ 5423.573426][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5423.573426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5423.573426][ T10] netlink_rcv_skb+0x130/0x360 [ 5423.573426][ T10] netlink_unicast+0x449/0x710 [ 5423.573426][ T10] netlink_sendmsg+0x723/0xbe0 [ 5423.573426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5423.573426][ T10] ___sys_sendmsg+0xee/0x170 [ 5423.573426][ T10] __sys_sendmsg+0xcd/0x170 [ 5423.573426][ T10] do_syscall_64+0xc6/0x1e0 [ 5423.573426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5423.573426][ T10] [ 5423.575276][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5423.575520][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5423.575520][ T10] netdev_get_by_index+0x5e/0x80 [ 5423.575520][ T10] fib6_nh_init+0x3d8/0x1580 [ 5423.575520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5423.575520][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5423.575520][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5423.575520][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5423.575520][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5423.575520][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5423.575520][ T10] addrconf_dad_begin+0x310/0x670 [ 5423.575520][ T10] addrconf_dad_work+0x10b/0xab0 [ 5423.575520][ T10] process_one_work+0x84d/0x18a0 [ 5423.575520][ T10] worker_thread+0x587/0xd30 [ 5423.575520][ T10] kthread+0x28a/0x350 [ 5423.575520][ T10] ret_from_fork+0x31/0x70 [ 5423.575520][ T10] ret_from_fork_asm+0x1a/0x30 [ 5423.575520][ T10] [ 5423.577716][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5423.577716][ T10] netdev_get_by_index+0x5e/0x80 [ 5423.577716][ T10] fib6_nh_init+0x3d8/0x1580 [ 5423.577716][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5423.577716][ T10] ip6_route_add+0x1c/0x140 [ 5423.577716][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5423.577716][ T10] inet6_addr_add+0x4f8/0xa40 [ 5423.577716][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5423.577716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5423.577716][ T10] netlink_rcv_skb+0x130/0x360 [ 5423.577716][ T10] netlink_unicast+0x449/0x710 [ 5423.577716][ T10] netlink_sendmsg+0x723/0xbe0 [ 5423.577716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5423.577716][ T10] ___sys_sendmsg+0xee/0x170 [ 5423.577716][ T10] __sys_sendmsg+0xcd/0x170 [ 5423.577716][ T10] do_syscall_64+0xc6/0x1e0 [ 5423.577716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5423.577716][ T10] [ 5423.579887][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5423.579887][ T10] netdev_get_by_index+0x5e/0x80 [ 5423.579887][ T10] fib6_nh_init+0x3d8/0x1580 [ 5423.579887][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5423.579887][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5423.579887][ T10] ipv6_add_addr+0x411/0x2000 [ 5423.579887][ T10] inet6_addr_add+0x30e/0xa40 [ 5423.579887][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5423.579887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5423.579887][ T10] netlink_rcv_skb+0x130/0x360 [ 5423.579887][ T10] netlink_unicast+0x449/0x710 [ 5423.579887][ T10] netlink_sendmsg+0x723/0xbe0 [ 5423.579887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5423.579887][ T10] ___sys_sendmsg+0xee/0x170 [ 5423.579887][ T10] __sys_sendmsg+0xcd/0x170 [ 5423.579887][ T10] do_syscall_64+0xc6/0x1e0 [ 5423.579887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5423.579887][ T10] [ 5423.582121][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5423.582121][ T10] netdev_get_by_index+0x5e/0x80 [ 5423.582121][ T10] fib6_nh_init+0x3d8/0x1580 [ 5423.582121][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5423.582121][ T10] ip6_route_add+0x1c/0x140 [ 5423.582121][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5423.582121][ T10] addrconf_add_dev+0xe2/0x170 [ 5423.582121][ T10] inet6_addr_add+0x12f/0xa40 [ 5423.582121][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5423.582121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5423.582121][ T10] netlink_rcv_skb+0x130/0x360 [ 5423.582121][ T10] netlink_unicast+0x449/0x710 [ 5423.582121][ T10] netlink_sendmsg+0x723/0xbe0 [ 5423.582121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5423.582121][ T10] ___sys_sendmsg+0xee/0x170 [ 5423.582121][ T10] __sys_sendmsg+0xcd/0x170 [ 5423.582121][ T10] do_syscall_64+0xc6/0x1e0 [ 5423.582121][ T10] [ 5423.584371][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5423.584371][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5423.584371][ T10] ipv6_find_idev+0x102/0x170 [ 5423.584371][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5423.584371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5423.584371][ T10] netlink_rcv_skb+0x130/0x360 [ 5423.584371][ T10] netlink_unicast+0x449/0x710 [ 5423.584371][ T10] netlink_sendmsg+0x723/0xbe0 [ 5423.584371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5423.584371][ T10] ___sys_sendmsg+0xee/0x170 [ 5423.584371][ T10] __sys_sendmsg+0xcd/0x170 [ 5423.584371][ T10] do_syscall_64+0xc6/0x1e0 [ 5423.584371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5423.584371][ T10] [ 5423.586147][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5423.586147][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5423.586147][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5423.586147][ T10] ipv6_find_idev+0x102/0x170 [ 5423.586147][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5423.586147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5423.586147][ T10] netlink_rcv_skb+0x130/0x360 [ 5423.586147][ T10] netlink_unicast+0x449/0x710 [ 5423.586147][ T10] netlink_sendmsg+0x723/0xbe0 [ 5423.586147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5423.586147][ T10] ___sys_sendmsg+0xee/0x170 [ 5423.586147][ T10] __sys_sendmsg+0xcd/0x170 [ 5423.586147][ T10] do_syscall_64+0xc6/0x1e0 [ 5423.586147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5423.586147][ T10] [ 5425.809146][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5425.809689][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5425.809689][ T1167] dst_init+0x84/0x4a0 [ 5425.809689][ T1167] dst_alloc+0x97/0x150 [ 5425.809689][ T1167] ip6_dst_alloc+0x23/0x90 [ 5425.809689][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5425.809689][ T1167] ip6_pol_route+0x56f/0x840 [ 5425.809689][ T1167] fib6_rule_lookup+0x334/0x630 [ 5425.809689][ T1167] ip6_route_output_flags+0x259/0x480 [ 5425.809689][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5425.809689][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5425.809689][ T1167] netlink_rcv_skb+0x130/0x360 [ 5425.809689][ T1167] netlink_unicast+0x449/0x710 [ 5425.809689][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5425.809689][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5425.809689][ T1167] ___sys_sendmsg+0xee/0x170 [ 5425.809689][ T1167] __sys_sendmsg+0xcd/0x170 [ 5425.809689][ T1167] do_syscall_64+0xc6/0x1e0 [ 5425.809689][ T1167] [ 5425.812158][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5425.812158][ T1167] netdev_get_by_index+0x5e/0x80 [ 5425.812158][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5425.812158][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5425.812158][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5425.812158][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5425.812158][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5425.812158][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5425.812158][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5425.812158][ T1167] addrconf_dad_begin+0x310/0x670 [ 5425.812158][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5425.812158][ T1167] process_one_work+0x84d/0x18a0 [ 5425.812158][ T1167] worker_thread+0x587/0xd30 [ 5425.812158][ T1167] kthread+0x28a/0x350 [ 5425.812158][ T1167] ret_from_fork+0x31/0x70 [ 5425.812158][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5425.812158][ T1167] [ 5425.814554][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5425.814554][ T1167] netdev_get_by_index+0x5e/0x80 [ 5425.814554][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5425.814554][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5425.814554][ T1167] ip6_route_add+0x1c/0x140 [ 5425.814554][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5425.814554][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5425.814554][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5425.814554][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5425.814554][ T1167] netlink_rcv_skb+0x130/0x360 [ 5425.814554][ T1167] netlink_unicast+0x449/0x710 [ 5425.814554][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5425.814554][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5425.814554][ T1167] ___sys_sendmsg+0xee/0x170 [ 5425.814554][ T1167] __sys_sendmsg+0xcd/0x170 [ 5425.814554][ T1167] do_syscall_64+0xc6/0x1e0 [ 5425.814554][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5425.814554][ T1167] [ 5425.817031][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5425.817031][ T1167] netdev_get_by_index+0x5e/0x80 [ 5425.817031][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5425.817031][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5425.817031][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5425.817031][ T1167] ipv6_add_addr+0x411/0x2000 [ 5425.817031][ T1167] inet6_addr_add+0x30e/0xa40 [ 5425.817031][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5425.817031][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5425.817031][ T1167] netlink_rcv_skb+0x130/0x360 [ 5425.817031][ T1167] netlink_unicast+0x449/0x710 [ 5425.817031][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5425.817031][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5425.817031][ T1167] ___sys_sendmsg+0xee/0x170 [ 5425.817031][ T1167] __sys_sendmsg+0xcd/0x170 [ 5425.817031][ T1167] do_syscall_64+0xc6/0x1e0 [ 5425.817031][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5425.817031][ T1167] [ 5425.819506][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5425.819506][ T1167] netdev_get_by_index+0x5e/0x80 [ 5425.819506][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5425.819506][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5425.819506][ T1167] ip6_route_add+0x1c/0x140 [ 5425.819506][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5425.819506][ T1167] addrconf_add_dev+0xe2/0x170 [ 5425.819506][ T1167] inet6_addr_add+0x12f/0xa40 [ 5425.819506][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5425.819506][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5425.819506][ T1167] netlink_rcv_skb+0x130/0x360 [ 5425.819506][ T1167] netlink_unicast+0x449/0x710 [ 5425.819506][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5425.819506][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5425.819506][ T1167] ___sys_sendmsg+0xee/0x170 [ 5425.819506][ T1167] __sys_sendmsg+0xcd/0x170 [ 5425.819506][ T1167] do_syscall_64+0xc6/0x1e0 [ 5425.819506][ T1167] [ 5425.821953][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5425.821953][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5425.821953][ T1167] ipv6_find_idev+0x102/0x170 [ 5425.821953][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5425.821953][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5425.821953][ T1167] netlink_rcv_skb+0x130/0x360 [ 5425.821953][ T1167] netlink_unicast+0x449/0x710 [ 5425.821953][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5425.821953][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5425.821953][ T1167] ___sys_sendmsg+0xee/0x170 [ 5425.821953][ T1167] __sys_sendmsg+0xcd/0x170 [ 5425.821953][ T1167] do_syscall_64+0xc6/0x1e0 [ 5425.821953][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5425.821953][ T1167] [ 5425.823881][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5425.823881][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5425.823881][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5425.823881][ T1167] ipv6_find_idev+0x102/0x170 [ 5425.823881][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5425.823881][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5425.823881][ T1167] netlink_rcv_skb+0x130/0x360 [ 5425.823881][ T1167] netlink_unicast+0x449/0x710 [ 5425.823881][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5425.823881][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5425.823881][ T1167] ___sys_sendmsg+0xee/0x170 [ 5425.823881][ T1167] __sys_sendmsg+0xcd/0x170 [ 5425.823881][ T1167] do_syscall_64+0xc6/0x1e0 [ 5425.823881][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5425.823881][ T1167] [ 5433.761183][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5433.761607][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5433.761607][ T10] netdev_get_by_index+0x5e/0x80 [ 5433.761607][ T10] fib6_nh_init+0x3d8/0x1580 [ 5433.761607][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5433.761607][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5433.761607][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5433.761607][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5433.761607][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5433.761607][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5433.761607][ T10] addrconf_dad_begin+0x310/0x670 [ 5433.761607][ T10] addrconf_dad_work+0x10b/0xab0 [ 5433.761607][ T10] process_one_work+0x84d/0x18a0 [ 5433.761607][ T10] worker_thread+0x587/0xd30 [ 5433.761607][ T10] kthread+0x28a/0x350 [ 5433.761607][ T10] ret_from_fork+0x31/0x70 [ 5433.761607][ T10] ret_from_fork_asm+0x1a/0x30 [ 5433.761607][ T10] [ 5433.763638][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5433.763638][ T10] netdev_get_by_index+0x5e/0x80 [ 5433.763638][ T10] fib6_nh_init+0x3d8/0x1580 [ 5433.763638][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5433.763638][ T10] ip6_route_add+0x1c/0x140 [ 5433.763638][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5433.763638][ T10] inet6_addr_add+0x4f8/0xa40 [ 5433.763638][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5433.763638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.763638][ T10] netlink_rcv_skb+0x130/0x360 [ 5433.763638][ T10] netlink_unicast+0x449/0x710 [ 5433.763638][ T10] netlink_sendmsg+0x723/0xbe0 [ 5433.763638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5433.763638][ T10] ___sys_sendmsg+0xee/0x170 [ 5433.763638][ T10] __sys_sendmsg+0xcd/0x170 [ 5433.763638][ T10] do_syscall_64+0xc6/0x1e0 [ 5433.763638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.763638][ T10] [ 5433.765629][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5433.765629][ T10] netdev_get_by_index+0x5e/0x80 [ 5433.765629][ T10] fib6_nh_init+0x3d8/0x1580 [ 5433.765629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5433.765629][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5433.765629][ T10] ipv6_add_addr+0x411/0x2000 [ 5433.765629][ T10] inet6_addr_add+0x30e/0xa40 [ 5433.765629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5433.765629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.765629][ T10] netlink_rcv_skb+0x130/0x360 [ 5433.765629][ T10] netlink_unicast+0x449/0x710 [ 5433.765629][ T10] netlink_sendmsg+0x723/0xbe0 [ 5433.765629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5433.765629][ T10] ___sys_sendmsg+0xee/0x170 [ 5433.765629][ T10] __sys_sendmsg+0xcd/0x170 [ 5433.765629][ T10] do_syscall_64+0xc6/0x1e0 [ 5433.765629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.765629][ T10] [ 5433.767613][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5433.767613][ T10] netdev_get_by_index+0x5e/0x80 [ 5433.767613][ T10] fib6_nh_init+0x3d8/0x1580 [ 5433.767613][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5433.767613][ T10] ip6_route_add+0x1c/0x140 [ 5433.767613][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5433.767613][ T10] addrconf_add_dev+0xe2/0x170 [ 5433.767613][ T10] inet6_addr_add+0x12f/0xa40 [ 5433.767613][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5433.767613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.767613][ T10] netlink_rcv_skb+0x130/0x360 [ 5433.767613][ T10] netlink_unicast+0x449/0x710 [ 5433.767613][ T10] netlink_sendmsg+0x723/0xbe0 [ 5433.767613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5433.767613][ T10] ___sys_sendmsg+0xee/0x170 [ 5433.767613][ T10] __sys_sendmsg+0xcd/0x170 [ 5433.767613][ T10] do_syscall_64+0xc6/0x1e0 [ 5433.767613][ T10] [ 5433.769595][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5433.769595][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5433.769595][ T10] ipv6_find_idev+0x102/0x170 [ 5433.769595][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5433.769595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.769595][ T10] netlink_rcv_skb+0x130/0x360 [ 5433.769595][ T10] netlink_unicast+0x449/0x710 [ 5433.769595][ T10] netlink_sendmsg+0x723/0xbe0 [ 5433.769595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5433.769595][ T10] ___sys_sendmsg+0xee/0x170 [ 5433.769595][ T10] __sys_sendmsg+0xcd/0x170 [ 5433.769595][ T10] do_syscall_64+0xc6/0x1e0 [ 5433.769595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.769595][ T10] [ 5433.774647][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5433.774647][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5433.774647][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5433.774647][ T10] ipv6_find_idev+0x102/0x170 [ 5433.774647][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5433.774647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.774647][ T10] netlink_rcv_skb+0x130/0x360 [ 5433.774647][ T10] netlink_unicast+0x449/0x710 [ 5433.774647][ T10] netlink_sendmsg+0x723/0xbe0 [ 5433.774647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5433.774647][ T10] ___sys_sendmsg+0xee/0x170 [ 5433.774647][ T10] __sys_sendmsg+0xcd/0x170 [ 5433.774647][ T10] do_syscall_64+0xc6/0x1e0 [ 5433.774647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.774647][ T10] [ 5433.776347][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5433.776614][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5433.776614][ T10] netdev_get_by_index+0x5e/0x80 [ 5433.776614][ T10] fib6_nh_init+0x3d8/0x1580 [ 5433.776614][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5433.776614][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5433.776614][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5433.776614][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5433.776614][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5433.776614][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5433.776614][ T10] addrconf_dad_begin+0x310/0x670 [ 5433.776614][ T10] addrconf_dad_work+0x10b/0xab0 [ 5433.776614][ T10] process_one_work+0x84d/0x18a0 [ 5433.776614][ T10] worker_thread+0x587/0xd30 [ 5433.776614][ T10] kthread+0x28a/0x350 [ 5433.776614][ T10] ret_from_fork+0x31/0x70 [ 5433.776614][ T10] ret_from_fork_asm+0x1a/0x30 [ 5433.776614][ T10] [ 5433.778536][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5433.778536][ T10] netdev_get_by_index+0x5e/0x80 [ 5433.778536][ T10] fib6_nh_init+0x3d8/0x1580 [ 5433.778536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5433.778536][ T10] ip6_route_add+0x1c/0x140 [ 5433.778536][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5433.778536][ T10] inet6_addr_add+0x4f8/0xa40 [ 5433.778536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5433.778536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.778536][ T10] netlink_rcv_skb+0x130/0x360 [ 5433.778536][ T10] netlink_unicast+0x449/0x710 [ 5433.778536][ T10] netlink_sendmsg+0x723/0xbe0 [ 5433.778536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5433.778536][ T10] ___sys_sendmsg+0xee/0x170 [ 5433.778536][ T10] __sys_sendmsg+0xcd/0x170 [ 5433.778536][ T10] do_syscall_64+0xc6/0x1e0 [ 5433.778536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.778536][ T10] [ 5433.780519][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5433.780519][ T10] netdev_get_by_index+0x5e/0x80 [ 5433.780519][ T10] fib6_nh_init+0x3d8/0x1580 [ 5433.780519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5433.780519][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5433.780519][ T10] ipv6_add_addr+0x411/0x2000 [ 5433.780519][ T10] inet6_addr_add+0x30e/0xa40 [ 5433.780519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5433.780519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.780519][ T10] netlink_rcv_skb+0x130/0x360 [ 5433.780519][ T10] netlink_unicast+0x449/0x710 [ 5433.780519][ T10] netlink_sendmsg+0x723/0xbe0 [ 5433.780519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5433.780519][ T10] ___sys_sendmsg+0xee/0x170 [ 5433.780519][ T10] __sys_sendmsg+0xcd/0x170 [ 5433.780519][ T10] do_syscall_64+0xc6/0x1e0 [ 5433.780519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.780519][ T10] [ 5433.782569][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5433.782569][ T10] netdev_get_by_index+0x5e/0x80 [ 5433.782569][ T10] fib6_nh_init+0x3d8/0x1580 [ 5433.782569][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5433.782569][ T10] ip6_route_add+0x1c/0x140 [ 5433.782569][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5433.782569][ T10] addrconf_add_dev+0xe2/0x170 [ 5433.782569][ T10] inet6_addr_add+0x12f/0xa40 [ 5433.782569][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5433.782569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.782569][ T10] netlink_rcv_skb+0x130/0x360 [ 5433.782569][ T10] netlink_unicast+0x449/0x710 [ 5433.782569][ T10] netlink_sendmsg+0x723/0xbe0 [ 5433.782569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5433.782569][ T10] ___sys_sendmsg+0xee/0x170 [ 5433.782569][ T10] __sys_sendmsg+0xcd/0x170 [ 5433.782569][ T10] do_syscall_64+0xc6/0x1e0 [ 5433.782569][ T10] [ 5433.784748][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5433.784748][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5433.784748][ T10] ipv6_find_idev+0x102/0x170 [ 5433.784748][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5433.784748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.784748][ T10] netlink_rcv_skb+0x130/0x360 [ 5433.784748][ T10] netlink_unicast+0x449/0x710 [ 5433.784748][ T10] netlink_sendmsg+0x723/0xbe0 [ 5433.784748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5433.784748][ T10] ___sys_sendmsg+0xee/0x170 [ 5433.784748][ T10] __sys_sendmsg+0xcd/0x170 [ 5433.784748][ T10] do_syscall_64+0xc6/0x1e0 [ 5433.784748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.784748][ T10] [ 5433.786282][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5433.786282][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5433.786282][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5433.786282][ T10] ipv6_find_idev+0x102/0x170 [ 5433.786282][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5433.786282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.786282][ T10] netlink_rcv_skb+0x130/0x360 [ 5433.786282][ T10] netlink_unicast+0x449/0x710 [ 5433.786282][ T10] netlink_sendmsg+0x723/0xbe0 [ 5433.786282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5433.786282][ T10] ___sys_sendmsg+0xee/0x170 [ 5433.786282][ T10] __sys_sendmsg+0xcd/0x170 [ 5433.786282][ T10] do_syscall_64+0xc6/0x1e0 [ 5433.786282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.786282][ T10] [ 5433.788087][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5433.788329][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5433.788329][ T10] netdev_get_by_index+0x5e/0x80 [ 5433.788329][ T10] fib6_nh_init+0x3d8/0x1580 [ 5433.788329][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5433.788329][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5433.788329][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5433.788329][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5433.788329][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5433.788329][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5433.788329][ T10] addrconf_dad_begin+0x310/0x670 [ 5433.788329][ T10] addrconf_dad_work+0x10b/0xab0 [ 5433.788329][ T10] process_one_work+0x84d/0x18a0 [ 5433.788329][ T10] worker_thread+0x587/0xd30 [ 5433.788329][ T10] kthread+0x28a/0x350 [ 5433.788329][ T10] ret_from_fork+0x31/0x70 [ 5433.788329][ T10] ret_from_fork_asm+0x1a/0x30 [ 5433.788329][ T10] [ 5433.790255][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5433.790255][ T10] netdev_get_by_index+0x5e/0x80 [ 5433.790255][ T10] fib6_nh_init+0x3d8/0x1580 [ 5433.790255][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5433.790255][ T10] ip6_route_add+0x1c/0x140 [ 5433.790255][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5433.790255][ T10] inet6_addr_add+0x4f8/0xa40 [ 5433.790255][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5433.790255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.790255][ T10] netlink_rcv_skb+0x130/0x360 [ 5433.790255][ T10] netlink_unicast+0x449/0x710 [ 5433.790255][ T10] netlink_sendmsg+0x723/0xbe0 [ 5433.790255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5433.790255][ T10] ___sys_sendmsg+0xee/0x170 [ 5433.790255][ T10] __sys_sendmsg+0xcd/0x170 [ 5433.790255][ T10] do_syscall_64+0xc6/0x1e0 [ 5433.790255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.790255][ T10] [ 5433.792385][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5433.792385][ T10] netdev_get_by_index+0x5e/0x80 [ 5433.792385][ T10] fib6_nh_init+0x3d8/0x1580 [ 5433.792385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5433.792385][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5433.792385][ T10] ipv6_add_addr+0x411/0x2000 [ 5433.792385][ T10] inet6_addr_add+0x30e/0xa40 [ 5433.792385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5433.792385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.792385][ T10] netlink_rcv_skb+0x130/0x360 [ 5433.792385][ T10] netlink_unicast+0x449/0x710 [ 5433.792385][ T10] netlink_sendmsg+0x723/0xbe0 [ 5433.792385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5433.792385][ T10] ___sys_sendmsg+0xee/0x170 [ 5433.792385][ T10] __sys_sendmsg+0xcd/0x170 [ 5433.792385][ T10] do_syscall_64+0xc6/0x1e0 [ 5433.792385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.792385][ T10] [ 5433.794742][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5433.794742][ T10] netdev_get_by_index+0x5e/0x80 [ 5433.794742][ T10] fib6_nh_init+0x3d8/0x1580 [ 5433.794742][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5433.794742][ T10] ip6_route_add+0x1c/0x140 [ 5433.794742][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5433.794742][ T10] addrconf_add_dev+0xe2/0x170 [ 5433.794742][ T10] inet6_addr_add+0x12f/0xa40 [ 5433.794742][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5433.794742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.794742][ T10] netlink_rcv_skb+0x130/0x360 [ 5433.794742][ T10] netlink_unicast+0x449/0x710 [ 5433.794742][ T10] netlink_sendmsg+0x723/0xbe0 [ 5433.794742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5433.794742][ T10] ___sys_sendmsg+0xee/0x170 [ 5433.794742][ T10] __sys_sendmsg+0xcd/0x170 [ 5433.794742][ T10] do_syscall_64+0xc6/0x1e0 [ 5433.794742][ T10] [ 5433.796998][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5433.796998][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5433.796998][ T10] ipv6_find_idev+0x102/0x170 [ 5433.796998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5433.796998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.796998][ T10] netlink_rcv_skb+0x130/0x360 [ 5433.796998][ T10] netlink_unicast+0x449/0x710 [ 5433.796998][ T10] netlink_sendmsg+0x723/0xbe0 [ 5433.796998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5433.796998][ T10] ___sys_sendmsg+0xee/0x170 [ 5433.796998][ T10] __sys_sendmsg+0xcd/0x170 [ 5433.796998][ T10] do_syscall_64+0xc6/0x1e0 [ 5433.796998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.796998][ T10] [ 5433.798729][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5433.798729][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5433.798729][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5433.798729][ T10] ipv6_find_idev+0x102/0x170 [ 5433.798729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5433.798729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.798729][ T10] netlink_rcv_skb+0x130/0x360 [ 5433.798729][ T10] netlink_unicast+0x449/0x710 [ 5433.798729][ T10] netlink_sendmsg+0x723/0xbe0 [ 5433.798729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5433.798729][ T10] ___sys_sendmsg+0xee/0x170 [ 5433.798729][ T10] __sys_sendmsg+0xcd/0x170 [ 5433.798729][ T10] do_syscall_64+0xc6/0x1e0 [ 5433.798729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.798729][ T10] [ 5433.800641][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5433.800878][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5433.800878][ T10] netdev_get_by_index+0x5e/0x80 [ 5433.800878][ T10] fib6_nh_init+0x3d8/0x1580 [ 5433.800878][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5433.800878][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5433.800878][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5433.800878][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5433.800878][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5433.800878][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5433.800878][ T10] addrconf_dad_begin+0x310/0x670 [ 5433.800878][ T10] addrconf_dad_work+0x10b/0xab0 [ 5433.800878][ T10] process_one_work+0x84d/0x18a0 [ 5433.800878][ T10] worker_thread+0x587/0xd30 [ 5433.800878][ T10] kthread+0x28a/0x350 [ 5433.800878][ T10] ret_from_fork+0x31/0x70 [ 5433.800878][ T10] ret_from_fork_asm+0x1a/0x30 [ 5433.800878][ T10] [ 5433.803109][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5433.803109][ T10] netdev_get_by_index+0x5e/0x80 [ 5433.803109][ T10] fib6_nh_init+0x3d8/0x1580 [ 5433.803109][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5433.803109][ T10] ip6_route_add+0x1c/0x140 [ 5433.803109][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5433.803109][ T10] inet6_addr_add+0x4f8/0xa40 [ 5433.803109][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5433.803109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.803109][ T10] netlink_rcv_skb+0x130/0x360 [ 5433.803109][ T10] netlink_unicast+0x449/0x710 [ 5433.803109][ T10] netlink_sendmsg+0x723/0xbe0 [ 5433.803109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5433.803109][ T10] ___sys_sendmsg+0xee/0x170 [ 5433.803109][ T10] __sys_sendmsg+0xcd/0x170 [ 5433.803109][ T10] do_syscall_64+0xc6/0x1e0 [ 5433.803109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.803109][ T10] [ 5433.805359][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5433.805359][ T10] netdev_get_by_index+0x5e/0x80 [ 5433.805359][ T10] fib6_nh_init+0x3d8/0x1580 [ 5433.805359][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5433.805359][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5433.805359][ T10] ipv6_add_addr+0x411/0x2000 [ 5433.805359][ T10] inet6_addr_add+0x30e/0xa40 [ 5433.805359][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5433.805359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.805359][ T10] netlink_rcv_skb+0x130/0x360 [ 5433.805359][ T10] netlink_unicast+0x449/0x710 [ 5433.805359][ T10] netlink_sendmsg+0x723/0xbe0 [ 5433.805359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5433.805359][ T10] ___sys_sendmsg+0xee/0x170 [ 5433.805359][ T10] __sys_sendmsg+0xcd/0x170 [ 5433.805359][ T10] do_syscall_64+0xc6/0x1e0 [ 5433.805359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.805359][ T10] [ 5433.807609][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5433.807609][ T10] netdev_get_by_index+0x5e/0x80 [ 5433.807609][ T10] fib6_nh_init+0x3d8/0x1580 [ 5433.807609][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5433.807609][ T10] ip6_route_add+0x1c/0x140 [ 5433.807609][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5433.807609][ T10] addrconf_add_dev+0xe2/0x170 [ 5433.807609][ T10] inet6_addr_add+0x12f/0xa40 [ 5433.807609][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5433.807609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.807609][ T10] netlink_rcv_skb+0x130/0x360 [ 5433.807609][ T10] netlink_unicast+0x449/0x710 [ 5433.807609][ T10] netlink_sendmsg+0x723/0xbe0 [ 5433.807609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5433.807609][ T10] ___sys_sendmsg+0xee/0x170 [ 5433.807609][ T10] __sys_sendmsg+0xcd/0x170 [ 5433.807609][ T10] do_syscall_64+0xc6/0x1e0 [ 5433.807609][ T10] [ 5433.809745][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5433.809745][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5433.809745][ T10] ipv6_find_idev+0x102/0x170 [ 5433.809745][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5433.809745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.809745][ T10] netlink_rcv_skb+0x130/0x360 [ 5433.809745][ T10] netlink_unicast+0x449/0x710 [ 5433.809745][ T10] netlink_sendmsg+0x723/0xbe0 [ 5433.809745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5433.809745][ T10] ___sys_sendmsg+0xee/0x170 [ 5433.809745][ T10] __sys_sendmsg+0xcd/0x170 [ 5433.809745][ T10] do_syscall_64+0xc6/0x1e0 [ 5433.809745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.809745][ T10] [ 5433.811457][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5433.811457][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5433.811457][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5433.811457][ T10] ipv6_find_idev+0x102/0x170 [ 5433.811457][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5433.811457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5433.811457][ T10] netlink_rcv_skb+0x130/0x360 [ 5433.811457][ T10] netlink_unicast+0x449/0x710 [ 5433.811457][ T10] netlink_sendmsg+0x723/0xbe0 [ 5433.811457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5433.811457][ T10] ___sys_sendmsg+0xee/0x170 [ 5433.811457][ T10] __sys_sendmsg+0xcd/0x170 [ 5433.811457][ T10] do_syscall_64+0xc6/0x1e0 [ 5433.811457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5433.811457][ T10] [ 5436.065149][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5436.065659][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5436.065659][ T1167] dst_init+0x84/0x4a0 [ 5436.065659][ T1167] dst_alloc+0x97/0x150 [ 5436.065659][ T1167] ip6_dst_alloc+0x23/0x90 [ 5436.065659][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5436.065659][ T1167] ip6_pol_route+0x56f/0x840 [ 5436.065659][ T1167] fib6_rule_lookup+0x334/0x630 [ 5436.065659][ T1167] ip6_route_output_flags+0x259/0x480 [ 5436.065659][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5436.065659][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5436.065659][ T1167] netlink_rcv_skb+0x130/0x360 [ 5436.065659][ T1167] netlink_unicast+0x449/0x710 [ 5436.065659][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5436.065659][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5436.065659][ T1167] ___sys_sendmsg+0xee/0x170 [ 5436.065659][ T1167] __sys_sendmsg+0xcd/0x170 [ 5436.065659][ T1167] do_syscall_64+0xc6/0x1e0 [ 5436.065659][ T1167] [ 5436.067886][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5436.067886][ T1167] netdev_get_by_index+0x5e/0x80 [ 5436.067886][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5436.067886][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5436.067886][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5436.067886][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5436.067886][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5436.067886][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5436.067886][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5436.067886][ T1167] addrconf_dad_begin+0x310/0x670 [ 5436.067886][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5436.067886][ T1167] process_one_work+0x84d/0x18a0 [ 5436.067886][ T1167] worker_thread+0x587/0xd30 [ 5436.067886][ T1167] kthread+0x28a/0x350 [ 5436.067886][ T1167] ret_from_fork+0x31/0x70 [ 5436.067886][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5436.067886][ T1167] [ 5436.070075][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5436.070075][ T1167] netdev_get_by_index+0x5e/0x80 [ 5436.070075][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5436.070075][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5436.070075][ T1167] ip6_route_add+0x1c/0x140 [ 5436.070075][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5436.070075][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5436.070075][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5436.070075][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5436.070075][ T1167] netlink_rcv_skb+0x130/0x360 [ 5436.070075][ T1167] netlink_unicast+0x449/0x710 [ 5436.070075][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5436.070075][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5436.070075][ T1167] ___sys_sendmsg+0xee/0x170 [ 5436.070075][ T1167] __sys_sendmsg+0xcd/0x170 [ 5436.070075][ T1167] do_syscall_64+0xc6/0x1e0 [ 5436.070075][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5436.070075][ T1167] [ 5436.072355][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5436.072355][ T1167] netdev_get_by_index+0x5e/0x80 [ 5436.072355][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5436.072355][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5436.072355][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5436.072355][ T1167] ipv6_add_addr+0x411/0x2000 [ 5436.072355][ T1167] inet6_addr_add+0x30e/0xa40 [ 5436.072355][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5436.072355][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5436.072355][ T1167] netlink_rcv_skb+0x130/0x360 [ 5436.072355][ T1167] netlink_unicast+0x449/0x710 [ 5436.072355][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5436.072355][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5436.072355][ T1167] ___sys_sendmsg+0xee/0x170 [ 5436.072355][ T1167] __sys_sendmsg+0xcd/0x170 [ 5436.072355][ T1167] do_syscall_64+0xc6/0x1e0 [ 5436.072355][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5436.072355][ T1167] [ 5436.074655][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5436.074655][ T1167] netdev_get_by_index+0x5e/0x80 [ 5436.074655][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5436.074655][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5436.074655][ T1167] ip6_route_add+0x1c/0x140 [ 5436.074655][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5436.074655][ T1167] addrconf_add_dev+0xe2/0x170 [ 5436.074655][ T1167] inet6_addr_add+0x12f/0xa40 [ 5436.074655][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5436.074655][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5436.074655][ T1167] netlink_rcv_skb+0x130/0x360 [ 5436.074655][ T1167] netlink_unicast+0x449/0x710 [ 5436.074655][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5436.074655][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5436.074655][ T1167] ___sys_sendmsg+0xee/0x170 [ 5436.074655][ T1167] __sys_sendmsg+0xcd/0x170 [ 5436.074655][ T1167] do_syscall_64+0xc6/0x1e0 [ 5436.074655][ T1167] [ 5436.076890][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5436.076890][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5436.076890][ T1167] ipv6_find_idev+0x102/0x170 [ 5436.076890][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5436.076890][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5436.076890][ T1167] netlink_rcv_skb+0x130/0x360 [ 5436.076890][ T1167] netlink_unicast+0x449/0x710 [ 5436.076890][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5436.076890][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5436.076890][ T1167] ___sys_sendmsg+0xee/0x170 [ 5436.076890][ T1167] __sys_sendmsg+0xcd/0x170 [ 5436.076890][ T1167] do_syscall_64+0xc6/0x1e0 [ 5436.076890][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5436.076890][ T1167] [ 5436.078641][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5436.078641][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5436.078641][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5436.078641][ T1167] ipv6_find_idev+0x102/0x170 [ 5436.078641][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5436.078641][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5436.078641][ T1167] netlink_rcv_skb+0x130/0x360 [ 5436.078641][ T1167] netlink_unicast+0x449/0x710 [ 5436.078641][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5436.078641][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5436.078641][ T1167] ___sys_sendmsg+0xee/0x170 [ 5436.078641][ T1167] __sys_sendmsg+0xcd/0x170 [ 5436.078641][ T1167] do_syscall_64+0xc6/0x1e0 [ 5436.078641][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5436.078641][ T1167] [ 5443.969096][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5443.969489][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5443.969489][ T10] netdev_get_by_index+0x5e/0x80 [ 5443.969489][ T10] fib6_nh_init+0x3d8/0x1580 [ 5443.969489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5443.969489][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5443.969489][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5443.969489][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5443.969489][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5443.969489][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5443.969489][ T10] addrconf_dad_begin+0x310/0x670 [ 5443.969489][ T10] addrconf_dad_work+0x10b/0xab0 [ 5443.969489][ T10] process_one_work+0x84d/0x18a0 [ 5443.969489][ T10] worker_thread+0x587/0xd30 [ 5443.969489][ T10] kthread+0x28a/0x350 [ 5443.969489][ T10] ret_from_fork+0x31/0x70 [ 5443.969489][ T10] ret_from_fork_asm+0x1a/0x30 [ 5443.969489][ T10] [ 5443.971427][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5443.971427][ T10] netdev_get_by_index+0x5e/0x80 [ 5443.971427][ T10] fib6_nh_init+0x3d8/0x1580 [ 5443.971427][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5443.971427][ T10] ip6_route_add+0x1c/0x140 [ 5443.971427][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5443.971427][ T10] inet6_addr_add+0x4f8/0xa40 [ 5443.971427][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5443.971427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.971427][ T10] netlink_rcv_skb+0x130/0x360 [ 5443.971427][ T10] netlink_unicast+0x449/0x710 [ 5443.971427][ T10] netlink_sendmsg+0x723/0xbe0 [ 5443.971427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5443.971427][ T10] ___sys_sendmsg+0xee/0x170 [ 5443.971427][ T10] __sys_sendmsg+0xcd/0x170 [ 5443.971427][ T10] do_syscall_64+0xc6/0x1e0 [ 5443.971427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5443.971427][ T10] [ 5443.973455][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5443.973455][ T10] netdev_get_by_index+0x5e/0x80 [ 5443.973455][ T10] fib6_nh_init+0x3d8/0x1580 [ 5443.973455][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5443.973455][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5443.973455][ T10] ipv6_add_addr+0x411/0x2000 [ 5443.973455][ T10] inet6_addr_add+0x30e/0xa40 [ 5443.973455][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5443.973455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.973455][ T10] netlink_rcv_skb+0x130/0x360 [ 5443.973455][ T10] netlink_unicast+0x449/0x710 [ 5443.973455][ T10] netlink_sendmsg+0x723/0xbe0 [ 5443.973455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5443.973455][ T10] ___sys_sendmsg+0xee/0x170 [ 5443.973455][ T10] __sys_sendmsg+0xcd/0x170 [ 5443.973455][ T10] do_syscall_64+0xc6/0x1e0 [ 5443.973455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5443.973455][ T10] [ 5443.975443][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5443.975443][ T10] netdev_get_by_index+0x5e/0x80 [ 5443.975443][ T10] fib6_nh_init+0x3d8/0x1580 [ 5443.975443][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5443.975443][ T10] ip6_route_add+0x1c/0x140 [ 5443.975443][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5443.975443][ T10] addrconf_add_dev+0xe2/0x170 [ 5443.975443][ T10] inet6_addr_add+0x12f/0xa40 [ 5443.975443][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5443.975443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.975443][ T10] netlink_rcv_skb+0x130/0x360 [ 5443.975443][ T10] netlink_unicast+0x449/0x710 [ 5443.975443][ T10] netlink_sendmsg+0x723/0xbe0 [ 5443.975443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5443.975443][ T10] ___sys_sendmsg+0xee/0x170 [ 5443.975443][ T10] __sys_sendmsg+0xcd/0x170 [ 5443.975443][ T10] do_syscall_64+0xc6/0x1e0 [ 5443.975443][ T10] [ 5443.977393][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5443.977393][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5443.977393][ T10] ipv6_find_idev+0x102/0x170 [ 5443.977393][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5443.977393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.977393][ T10] netlink_rcv_skb+0x130/0x360 [ 5443.977393][ T10] netlink_unicast+0x449/0x710 [ 5443.977393][ T10] netlink_sendmsg+0x723/0xbe0 [ 5443.977393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5443.977393][ T10] ___sys_sendmsg+0xee/0x170 [ 5443.977393][ T10] __sys_sendmsg+0xcd/0x170 [ 5443.977393][ T10] do_syscall_64+0xc6/0x1e0 [ 5443.977393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5443.977393][ T10] [ 5443.978940][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5443.978940][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5443.978940][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5443.978940][ T10] ipv6_find_idev+0x102/0x170 [ 5443.978940][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5443.978940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.978940][ T10] netlink_rcv_skb+0x130/0x360 [ 5443.978940][ T10] netlink_unicast+0x449/0x710 [ 5443.978940][ T10] netlink_sendmsg+0x723/0xbe0 [ 5443.978940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5443.978940][ T10] ___sys_sendmsg+0xee/0x170 [ 5443.978940][ T10] __sys_sendmsg+0xcd/0x170 [ 5443.978940][ T10] do_syscall_64+0xc6/0x1e0 [ 5443.978940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5443.978940][ T10] [ 5443.980632][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5443.980878][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5443.980878][ T10] netdev_get_by_index+0x5e/0x80 [ 5443.980878][ T10] fib6_nh_init+0x3d8/0x1580 [ 5443.980878][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5443.980878][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5443.980878][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5443.980878][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5443.980878][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5443.980878][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5443.980878][ T10] addrconf_dad_begin+0x310/0x670 [ 5443.980878][ T10] addrconf_dad_work+0x10b/0xab0 [ 5443.980878][ T10] process_one_work+0x84d/0x18a0 [ 5443.980878][ T10] worker_thread+0x587/0xd30 [ 5443.980878][ T10] kthread+0x28a/0x350 [ 5443.980878][ T10] ret_from_fork+0x31/0x70 [ 5443.980878][ T10] ret_from_fork_asm+0x1a/0x30 [ 5443.980878][ T10] [ 5443.982789][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5443.982789][ T10] netdev_get_by_index+0x5e/0x80 [ 5443.982789][ T10] fib6_nh_init+0x3d8/0x1580 [ 5443.982789][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5443.982789][ T10] ip6_route_add+0x1c/0x140 [ 5443.982789][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5443.982789][ T10] inet6_addr_add+0x4f8/0xa40 [ 5443.982789][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5443.982789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.982789][ T10] netlink_rcv_skb+0x130/0x360 [ 5443.982789][ T10] netlink_unicast+0x449/0x710 [ 5443.982789][ T10] netlink_sendmsg+0x723/0xbe0 [ 5443.982789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5443.982789][ T10] ___sys_sendmsg+0xee/0x170 [ 5443.982789][ T10] __sys_sendmsg+0xcd/0x170 [ 5443.982789][ T10] do_syscall_64+0xc6/0x1e0 [ 5443.982789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5443.982789][ T10] [ 5443.984783][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5443.984783][ T10] netdev_get_by_index+0x5e/0x80 [ 5443.984783][ T10] fib6_nh_init+0x3d8/0x1580 [ 5443.984783][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5443.984783][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5443.984783][ T10] ipv6_add_addr+0x411/0x2000 [ 5443.984783][ T10] inet6_addr_add+0x30e/0xa40 [ 5443.984783][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5443.984783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.984783][ T10] netlink_rcv_skb+0x130/0x360 [ 5443.984783][ T10] netlink_unicast+0x449/0x710 [ 5443.984783][ T10] netlink_sendmsg+0x723/0xbe0 [ 5443.984783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5443.984783][ T10] ___sys_sendmsg+0xee/0x170 [ 5443.984783][ T10] __sys_sendmsg+0xcd/0x170 [ 5443.984783][ T10] do_syscall_64+0xc6/0x1e0 [ 5443.984783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5443.984783][ T10] [ 5443.986777][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5443.986777][ T10] netdev_get_by_index+0x5e/0x80 [ 5443.986777][ T10] fib6_nh_init+0x3d8/0x1580 [ 5443.986777][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5443.986777][ T10] ip6_route_add+0x1c/0x140 [ 5443.986777][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5443.986777][ T10] addrconf_add_dev+0xe2/0x170 [ 5443.986777][ T10] inet6_addr_add+0x12f/0xa40 [ 5443.986777][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5443.986777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.986777][ T10] netlink_rcv_skb+0x130/0x360 [ 5443.986777][ T10] netlink_unicast+0x449/0x710 [ 5443.986777][ T10] netlink_sendmsg+0x723/0xbe0 [ 5443.986777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5443.986777][ T10] ___sys_sendmsg+0xee/0x170 [ 5443.986777][ T10] __sys_sendmsg+0xcd/0x170 [ 5443.986777][ T10] do_syscall_64+0xc6/0x1e0 [ 5443.986777][ T10] [ 5443.988740][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5443.988740][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5443.988740][ T10] ipv6_find_idev+0x102/0x170 [ 5443.988740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5443.988740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.988740][ T10] netlink_rcv_skb+0x130/0x360 [ 5443.988740][ T10] netlink_unicast+0x449/0x710 [ 5443.988740][ T10] netlink_sendmsg+0x723/0xbe0 [ 5443.988740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5443.988740][ T10] ___sys_sendmsg+0xee/0x170 [ 5443.988740][ T10] __sys_sendmsg+0xcd/0x170 [ 5443.988740][ T10] do_syscall_64+0xc6/0x1e0 [ 5443.988740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5443.988740][ T10] [ 5443.990273][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5443.990273][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5443.990273][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5443.990273][ T10] ipv6_find_idev+0x102/0x170 [ 5443.990273][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5443.990273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.990273][ T10] netlink_rcv_skb+0x130/0x360 [ 5443.990273][ T10] netlink_unicast+0x449/0x710 [ 5443.990273][ T10] netlink_sendmsg+0x723/0xbe0 [ 5443.990273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5443.990273][ T10] ___sys_sendmsg+0xee/0x170 [ 5443.990273][ T10] __sys_sendmsg+0xcd/0x170 [ 5443.990273][ T10] do_syscall_64+0xc6/0x1e0 [ 5443.990273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5443.990273][ T10] [ 5443.991973][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5443.992221][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5443.992221][ T10] netdev_get_by_index+0x5e/0x80 [ 5443.992221][ T10] fib6_nh_init+0x3d8/0x1580 [ 5443.992221][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5443.992221][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5443.992221][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5443.992221][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5443.992221][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5443.992221][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5443.992221][ T10] addrconf_dad_begin+0x310/0x670 [ 5443.992221][ T10] addrconf_dad_work+0x10b/0xab0 [ 5443.992221][ T10] process_one_work+0x84d/0x18a0 [ 5443.992221][ T10] worker_thread+0x587/0xd30 [ 5443.992221][ T10] kthread+0x28a/0x350 [ 5443.992221][ T10] ret_from_fork+0x31/0x70 [ 5443.992221][ T10] ret_from_fork_asm+0x1a/0x30 [ 5443.992221][ T10] [ 5443.994131][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5443.994131][ T10] netdev_get_by_index+0x5e/0x80 [ 5443.994131][ T10] fib6_nh_init+0x3d8/0x1580 [ 5443.994131][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5443.994131][ T10] ip6_route_add+0x1c/0x140 [ 5443.994131][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5443.994131][ T10] inet6_addr_add+0x4f8/0xa40 [ 5443.994131][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5443.994131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.994131][ T10] netlink_rcv_skb+0x130/0x360 [ 5443.994131][ T10] netlink_unicast+0x449/0x710 [ 5443.994131][ T10] netlink_sendmsg+0x723/0xbe0 [ 5443.994131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5443.994131][ T10] ___sys_sendmsg+0xee/0x170 [ 5443.994131][ T10] __sys_sendmsg+0xcd/0x170 [ 5443.994131][ T10] do_syscall_64+0xc6/0x1e0 [ 5443.994131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5443.994131][ T10] [ 5443.996303][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5443.996303][ T10] netdev_get_by_index+0x5e/0x80 [ 5443.996303][ T10] fib6_nh_init+0x3d8/0x1580 [ 5443.996303][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5443.996303][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5443.996303][ T10] ipv6_add_addr+0x411/0x2000 [ 5443.996303][ T10] inet6_addr_add+0x30e/0xa40 [ 5443.996303][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5443.996303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.996303][ T10] netlink_rcv_skb+0x130/0x360 [ 5443.996303][ T10] netlink_unicast+0x449/0x710 [ 5443.996303][ T10] netlink_sendmsg+0x723/0xbe0 [ 5443.996303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5443.996303][ T10] ___sys_sendmsg+0xee/0x170 [ 5443.996303][ T10] __sys_sendmsg+0xcd/0x170 [ 5443.996303][ T10] do_syscall_64+0xc6/0x1e0 [ 5443.996303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5443.996303][ T10] [ 5443.998539][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5443.998539][ T10] netdev_get_by_index+0x5e/0x80 [ 5443.998539][ T10] fib6_nh_init+0x3d8/0x1580 [ 5443.998539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5443.998539][ T10] ip6_route_add+0x1c/0x140 [ 5443.998539][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5443.998539][ T10] addrconf_add_dev+0xe2/0x170 [ 5443.998539][ T10] inet6_addr_add+0x12f/0xa40 [ 5443.998539][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5443.998539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5443.998539][ T10] netlink_rcv_skb+0x130/0x360 [ 5443.998539][ T10] netlink_unicast+0x449/0x710 [ 5443.998539][ T10] netlink_sendmsg+0x723/0xbe0 [ 5443.998539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5443.998539][ T10] ___sys_sendmsg+0xee/0x170 [ 5443.998539][ T10] __sys_sendmsg+0xcd/0x170 [ 5443.998539][ T10] do_syscall_64+0xc6/0x1e0 [ 5443.998539][ T10] [ 5444.000734][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5444.000734][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5444.000734][ T10] ipv6_find_idev+0x102/0x170 [ 5444.000734][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5444.000734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5444.000734][ T10] netlink_rcv_skb+0x130/0x360 [ 5444.000734][ T10] netlink_unicast+0x449/0x710 [ 5444.000734][ T10] netlink_sendmsg+0x723/0xbe0 [ 5444.000734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5444.000734][ T10] ___sys_sendmsg+0xee/0x170 [ 5444.000734][ T10] __sys_sendmsg+0xcd/0x170 [ 5444.000734][ T10] do_syscall_64+0xc6/0x1e0 [ 5444.000734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5444.000734][ T10] [ 5444.002469][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5444.002469][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5444.002469][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5444.002469][ T10] ipv6_find_idev+0x102/0x170 [ 5444.002469][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5444.002469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5444.002469][ T10] netlink_rcv_skb+0x130/0x360 [ 5444.002469][ T10] netlink_unicast+0x449/0x710 [ 5444.002469][ T10] netlink_sendmsg+0x723/0xbe0 [ 5444.002469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5444.002469][ T10] ___sys_sendmsg+0xee/0x170 [ 5444.002469][ T10] __sys_sendmsg+0xcd/0x170 [ 5444.002469][ T10] do_syscall_64+0xc6/0x1e0 [ 5444.002469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5444.002469][ T10] [ 5444.004406][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5444.004640][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5444.004640][ T10] netdev_get_by_index+0x5e/0x80 [ 5444.004640][ T10] fib6_nh_init+0x3d8/0x1580 [ 5444.004640][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5444.004640][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5444.004640][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5444.004640][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5444.004640][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5444.004640][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5444.004640][ T10] addrconf_dad_begin+0x310/0x670 [ 5444.004640][ T10] addrconf_dad_work+0x10b/0xab0 [ 5444.004640][ T10] process_one_work+0x84d/0x18a0 [ 5444.004640][ T10] worker_thread+0x587/0xd30 [ 5444.004640][ T10] kthread+0x28a/0x350 [ 5444.004640][ T10] ret_from_fork+0x31/0x70 [ 5444.004640][ T10] ret_from_fork_asm+0x1a/0x30 [ 5444.004640][ T10] [ 5444.006775][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5444.006775][ T10] netdev_get_by_index+0x5e/0x80 [ 5444.006775][ T10] fib6_nh_init+0x3d8/0x1580 [ 5444.006775][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5444.006775][ T10] ip6_route_add+0x1c/0x140 [ 5444.006775][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5444.006775][ T10] inet6_addr_add+0x4f8/0xa40 [ 5444.006775][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5444.006775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5444.006775][ T10] netlink_rcv_skb+0x130/0x360 [ 5444.006775][ T10] netlink_unicast+0x449/0x710 [ 5444.006775][ T10] netlink_sendmsg+0x723/0xbe0 [ 5444.006775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5444.006775][ T10] ___sys_sendmsg+0xee/0x170 [ 5444.006775][ T10] __sys_sendmsg+0xcd/0x170 [ 5444.006775][ T10] do_syscall_64+0xc6/0x1e0 [ 5444.006775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5444.006775][ T10] [ 5444.009006][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5444.009006][ T10] netdev_get_by_index+0x5e/0x80 [ 5444.009006][ T10] fib6_nh_init+0x3d8/0x1580 [ 5444.009006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5444.009006][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5444.009006][ T10] ipv6_add_addr+0x411/0x2000 [ 5444.009006][ T10] inet6_addr_add+0x30e/0xa40 [ 5444.009006][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5444.009006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5444.009006][ T10] netlink_rcv_skb+0x130/0x360 [ 5444.009006][ T10] netlink_unicast+0x449/0x710 [ 5444.009006][ T10] netlink_sendmsg+0x723/0xbe0 [ 5444.009006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5444.009006][ T10] ___sys_sendmsg+0xee/0x170 [ 5444.009006][ T10] __sys_sendmsg+0xcd/0x170 [ 5444.009006][ T10] do_syscall_64+0xc6/0x1e0 [ 5444.009006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5444.009006][ T10] [ 5444.011238][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5444.011238][ T10] netdev_get_by_index+0x5e/0x80 [ 5444.011238][ T10] fib6_nh_init+0x3d8/0x1580 [ 5444.011238][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5444.011238][ T10] ip6_route_add+0x1c/0x140 [ 5444.011238][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5444.011238][ T10] addrconf_add_dev+0xe2/0x170 [ 5444.011238][ T10] inet6_addr_add+0x12f/0xa40 [ 5444.011238][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5444.011238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5444.011238][ T10] netlink_rcv_skb+0x130/0x360 [ 5444.011238][ T10] netlink_unicast+0x449/0x710 [ 5444.011238][ T10] netlink_sendmsg+0x723/0xbe0 [ 5444.011238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5444.011238][ T10] ___sys_sendmsg+0xee/0x170 [ 5444.011238][ T10] __sys_sendmsg+0xcd/0x170 [ 5444.011238][ T10] do_syscall_64+0xc6/0x1e0 [ 5444.011238][ T10] [ 5444.013387][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5444.013387][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5444.013387][ T10] ipv6_find_idev+0x102/0x170 [ 5444.013387][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5444.013387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5444.013387][ T10] netlink_rcv_skb+0x130/0x360 [ 5444.013387][ T10] netlink_unicast+0x449/0x710 [ 5444.013387][ T10] netlink_sendmsg+0x723/0xbe0 [ 5444.013387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5444.013387][ T10] ___sys_sendmsg+0xee/0x170 [ 5444.013387][ T10] __sys_sendmsg+0xcd/0x170 [ 5444.013387][ T10] do_syscall_64+0xc6/0x1e0 [ 5444.013387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5444.013387][ T10] [ 5444.015162][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5444.015162][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5444.015162][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5444.015162][ T10] ipv6_find_idev+0x102/0x170 [ 5444.015162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5444.015162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5444.015162][ T10] netlink_rcv_skb+0x130/0x360 [ 5444.015162][ T10] netlink_unicast+0x449/0x710 [ 5444.015162][ T10] netlink_sendmsg+0x723/0xbe0 [ 5444.015162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5444.015162][ T10] ___sys_sendmsg+0xee/0x170 [ 5444.015162][ T10] __sys_sendmsg+0xcd/0x170 [ 5444.015162][ T10] do_syscall_64+0xc6/0x1e0 [ 5444.015162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5444.015162][ T10] [ 5446.273102][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5446.273609][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5446.273609][ T1167] dst_init+0x84/0x4a0 [ 5446.273609][ T1167] dst_alloc+0x97/0x150 [ 5446.273609][ T1167] ip6_dst_alloc+0x23/0x90 [ 5446.273609][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5446.273609][ T1167] ip6_pol_route+0x56f/0x840 [ 5446.273609][ T1167] fib6_rule_lookup+0x334/0x630 [ 5446.273609][ T1167] ip6_route_output_flags+0x259/0x480 [ 5446.273609][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5446.273609][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5446.273609][ T1167] netlink_rcv_skb+0x130/0x360 [ 5446.273609][ T1167] netlink_unicast+0x449/0x710 [ 5446.273609][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5446.273609][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5446.273609][ T1167] ___sys_sendmsg+0xee/0x170 [ 5446.273609][ T1167] __sys_sendmsg+0xcd/0x170 [ 5446.273609][ T1167] do_syscall_64+0xc6/0x1e0 [ 5446.273609][ T1167] [ 5446.275830][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5446.275830][ T1167] netdev_get_by_index+0x5e/0x80 [ 5446.275830][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5446.275830][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5446.275830][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5446.275830][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5446.275830][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5446.275830][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5446.275830][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5446.275830][ T1167] addrconf_dad_begin+0x310/0x670 [ 5446.275830][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5446.275830][ T1167] process_one_work+0x84d/0x18a0 [ 5446.275830][ T1167] worker_thread+0x587/0xd30 [ 5446.275830][ T1167] kthread+0x28a/0x350 [ 5446.275830][ T1167] ret_from_fork+0x31/0x70 [ 5446.275830][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5446.275830][ T1167] [ 5446.277989][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5446.277989][ T1167] netdev_get_by_index+0x5e/0x80 [ 5446.277989][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5446.277989][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5446.277989][ T1167] ip6_route_add+0x1c/0x140 [ 5446.277989][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5446.277989][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5446.277989][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5446.277989][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5446.277989][ T1167] netlink_rcv_skb+0x130/0x360 [ 5446.277989][ T1167] netlink_unicast+0x449/0x710 [ 5446.277989][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5446.277989][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5446.277989][ T1167] ___sys_sendmsg+0xee/0x170 [ 5446.277989][ T1167] __sys_sendmsg+0xcd/0x170 [ 5446.277989][ T1167] do_syscall_64+0xc6/0x1e0 [ 5446.277989][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5446.277989][ T1167] [ 5446.280252][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5446.280252][ T1167] netdev_get_by_index+0x5e/0x80 [ 5446.280252][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5446.280252][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5446.280252][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5446.280252][ T1167] ipv6_add_addr+0x411/0x2000 [ 5446.280252][ T1167] inet6_addr_add+0x30e/0xa40 [ 5446.280252][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5446.280252][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5446.280252][ T1167] netlink_rcv_skb+0x130/0x360 [ 5446.280252][ T1167] netlink_unicast+0x449/0x710 [ 5446.280252][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5446.280252][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5446.280252][ T1167] ___sys_sendmsg+0xee/0x170 [ 5446.280252][ T1167] __sys_sendmsg+0xcd/0x170 [ 5446.280252][ T1167] do_syscall_64+0xc6/0x1e0 [ 5446.280252][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5446.280252][ T1167] [ 5446.282695][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5446.282695][ T1167] netdev_get_by_index+0x5e/0x80 [ 5446.282695][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5446.282695][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5446.282695][ T1167] ip6_route_add+0x1c/0x140 [ 5446.282695][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5446.282695][ T1167] addrconf_add_dev+0xe2/0x170 [ 5446.282695][ T1167] inet6_addr_add+0x12f/0xa40 [ 5446.282695][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5446.282695][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5446.282695][ T1167] netlink_rcv_skb+0x130/0x360 [ 5446.282695][ T1167] netlink_unicast+0x449/0x710 [ 5446.282695][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5446.282695][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5446.282695][ T1167] ___sys_sendmsg+0xee/0x170 [ 5446.282695][ T1167] __sys_sendmsg+0xcd/0x170 [ 5446.282695][ T1167] do_syscall_64+0xc6/0x1e0 [ 5446.282695][ T1167] [ 5446.284943][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5446.284943][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5446.284943][ T1167] ipv6_find_idev+0x102/0x170 [ 5446.284943][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5446.284943][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5446.284943][ T1167] netlink_rcv_skb+0x130/0x360 [ 5446.284943][ T1167] netlink_unicast+0x449/0x710 [ 5446.284943][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5446.284943][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5446.284943][ T1167] ___sys_sendmsg+0xee/0x170 [ 5446.284943][ T1167] __sys_sendmsg+0xcd/0x170 [ 5446.284943][ T1167] do_syscall_64+0xc6/0x1e0 [ 5446.284943][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5446.284943][ T1167] [ 5446.286691][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5446.286691][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5446.286691][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5446.286691][ T1167] ipv6_find_idev+0x102/0x170 [ 5446.286691][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5446.286691][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5446.286691][ T1167] netlink_rcv_skb+0x130/0x360 [ 5446.286691][ T1167] netlink_unicast+0x449/0x710 [ 5446.286691][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5446.286691][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5446.286691][ T1167] ___sys_sendmsg+0xee/0x170 [ 5446.286691][ T1167] __sys_sendmsg+0xcd/0x170 [ 5446.286691][ T1167] do_syscall_64+0xc6/0x1e0 [ 5446.286691][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5446.286691][ T1167] [ 5454.257111][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5454.257504][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5454.257504][ T10] netdev_get_by_index+0x5e/0x80 [ 5454.257504][ T10] fib6_nh_init+0x3d8/0x1580 [ 5454.257504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5454.257504][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5454.257504][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5454.257504][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5454.257504][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5454.257504][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5454.257504][ T10] addrconf_dad_begin+0x310/0x670 [ 5454.257504][ T10] addrconf_dad_work+0x10b/0xab0 [ 5454.257504][ T10] process_one_work+0x84d/0x18a0 [ 5454.257504][ T10] worker_thread+0x587/0xd30 [ 5454.257504][ T10] kthread+0x28a/0x350 [ 5454.257504][ T10] ret_from_fork+0x31/0x70 [ 5454.257504][ T10] ret_from_fork_asm+0x1a/0x30 [ 5454.257504][ T10] [ 5454.259441][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5454.259441][ T10] netdev_get_by_index+0x5e/0x80 [ 5454.259441][ T10] fib6_nh_init+0x3d8/0x1580 [ 5454.259441][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5454.259441][ T10] ip6_route_add+0x1c/0x140 [ 5454.259441][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5454.259441][ T10] inet6_addr_add+0x4f8/0xa40 [ 5454.259441][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5454.259441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5454.259441][ T10] netlink_rcv_skb+0x130/0x360 [ 5454.259441][ T10] netlink_unicast+0x449/0x710 [ 5454.259441][ T10] netlink_sendmsg+0x723/0xbe0 [ 5454.259441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5454.259441][ T10] ___sys_sendmsg+0xee/0x170 [ 5454.259441][ T10] __sys_sendmsg+0xcd/0x170 [ 5454.259441][ T10] do_syscall_64+0xc6/0x1e0 [ 5454.259441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5454.259441][ T10] [ 5454.261450][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5454.261450][ T10] netdev_get_by_index+0x5e/0x80 [ 5454.261450][ T10] fib6_nh_init+0x3d8/0x1580 [ 5454.261450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5454.261450][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5454.261450][ T10] ipv6_add_addr+0x411/0x2000 [ 5454.261450][ T10] inet6_addr_add+0x30e/0xa40 [ 5454.261450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5454.261450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5454.261450][ T10] netlink_rcv_skb+0x130/0x360 [ 5454.261450][ T10] netlink_unicast+0x449/0x710 [ 5454.261450][ T10] netlink_sendmsg+0x723/0xbe0 [ 5454.261450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5454.261450][ T10] ___sys_sendmsg+0xee/0x170 [ 5454.261450][ T10] __sys_sendmsg+0xcd/0x170 [ 5454.261450][ T10] do_syscall_64+0xc6/0x1e0 [ 5454.261450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5454.261450][ T10] [ 5454.263490][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5454.263490][ T10] netdev_get_by_index+0x5e/0x80 [ 5454.263490][ T10] fib6_nh_init+0x3d8/0x1580 [ 5454.263490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5454.263490][ T10] ip6_route_add+0x1c/0x140 [ 5454.263490][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5454.263490][ T10] addrconf_add_dev+0xe2/0x170 [ 5454.263490][ T10] inet6_addr_add+0x12f/0xa40 [ 5454.263490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5454.263490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5454.263490][ T10] netlink_rcv_skb+0x130/0x360 [ 5454.263490][ T10] netlink_unicast+0x449/0x710 [ 5454.263490][ T10] netlink_sendmsg+0x723/0xbe0 [ 5454.263490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5454.263490][ T10] ___sys_sendmsg+0xee/0x170 [ 5454.263490][ T10] __sys_sendmsg+0xcd/0x170 [ 5454.263490][ T10] do_syscall_64+0xc6/0x1e0 [ 5454.263490][ T10] [ 5454.265451][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5454.265451][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5454.265451][ T10] ipv6_find_idev+0x102/0x170 [ 5454.265451][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5454.265451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5454.265451][ T10] netlink_rcv_skb+0x130/0x360 [ 5454.265451][ T10] netlink_unicast+0x449/0x710 [ 5454.265451][ T10] netlink_sendmsg+0x723/0xbe0 [ 5454.265451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5454.265451][ T10] ___sys_sendmsg+0xee/0x170 [ 5454.265451][ T10] __sys_sendmsg+0xcd/0x170 [ 5454.265451][ T10] do_syscall_64+0xc6/0x1e0 [ 5454.265451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5454.265451][ T10] [ 5454.266997][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5454.266997][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5454.266997][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5454.266997][ T10] ipv6_find_idev+0x102/0x170 [ 5454.266997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5454.266997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5454.266997][ T10] netlink_rcv_skb+0x130/0x360 [ 5454.266997][ T10] netlink_unicast+0x449/0x710 [ 5454.266997][ T10] netlink_sendmsg+0x723/0xbe0 [ 5454.266997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5454.266997][ T10] ___sys_sendmsg+0xee/0x170 [ 5454.266997][ T10] __sys_sendmsg+0xcd/0x170 [ 5454.266997][ T10] do_syscall_64+0xc6/0x1e0 [ 5454.266997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5454.266997][ T10] [ 5454.268690][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5454.268962][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5454.268962][ T10] netdev_get_by_index+0x5e/0x80 [ 5454.268962][ T10] fib6_nh_init+0x3d8/0x1580 [ 5454.268962][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5454.268962][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5454.268962][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5454.268962][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5454.268962][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5454.268962][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5454.268962][ T10] addrconf_dad_begin+0x310/0x670 [ 5454.268962][ T10] addrconf_dad_work+0x10b/0xab0 [ 5454.268962][ T10] process_one_work+0x84d/0x18a0 [ 5454.268962][ T10] worker_thread+0x587/0xd30 [ 5454.268962][ T10] kthread+0x28a/0x350 [ 5454.268962][ T10] ret_from_fork+0x31/0x70 [ 5454.268962][ T10] ret_from_fork_asm+0x1a/0x30 [ 5454.268962][ T10] [ 5454.270880][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5454.270880][ T10] netdev_get_by_index+0x5e/0x80 [ 5454.270880][ T10] fib6_nh_init+0x3d8/0x1580 [ 5454.270880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5454.270880][ T10] ip6_route_add+0x1c/0x140 [ 5454.270880][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5454.270880][ T10] inet6_addr_add+0x4f8/0xa40 [ 5454.270880][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5454.270880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5454.270880][ T10] netlink_rcv_skb+0x130/0x360 [ 5454.270880][ T10] netlink_unicast+0x449/0x710 [ 5454.270880][ T10] netlink_sendmsg+0x723/0xbe0 [ 5454.270880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5454.270880][ T10] ___sys_sendmsg+0xee/0x170 [ 5454.270880][ T10] __sys_sendmsg+0xcd/0x170 [ 5454.270880][ T10] do_syscall_64+0xc6/0x1e0 [ 5454.270880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5454.270880][ T10] [ 5454.272892][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5454.272892][ T10] netdev_get_by_index+0x5e/0x80 [ 5454.272892][ T10] fib6_nh_init+0x3d8/0x1580 [ 5454.272892][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5454.272892][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5454.272892][ T10] ipv6_add_addr+0x411/0x2000 [ 5454.272892][ T10] inet6_addr_add+0x30e/0xa40 [ 5454.272892][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5454.272892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5454.272892][ T10] netlink_rcv_skb+0x130/0x360 [ 5454.272892][ T10] netlink_unicast+0x449/0x710 [ 5454.272892][ T10] netlink_sendmsg+0x723/0xbe0 [ 5454.272892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5454.272892][ T10] ___sys_sendmsg+0xee/0x170 [ 5454.272892][ T10] __sys_sendmsg+0xcd/0x170 [ 5454.272892][ T10] do_syscall_64+0xc6/0x1e0 [ 5454.272892][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5454.272892][ T10] [ 5454.274894][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5454.274894][ T10] netdev_get_by_index+0x5e/0x80 [ 5454.274894][ T10] fib6_nh_init+0x3d8/0x1580 [ 5454.274894][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5454.274894][ T10] ip6_route_add+0x1c/0x140 [ 5454.274894][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5454.274894][ T10] addrconf_add_dev+0xe2/0x170 [ 5454.274894][ T10] inet6_addr_add+0x12f/0xa40 [ 5454.274894][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5454.274894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5454.274894][ T10] netlink_rcv_skb+0x130/0x360 [ 5454.274894][ T10] netlink_unicast+0x449/0x710 [ 5454.274894][ T10] netlink_sendmsg+0x723/0xbe0 [ 5454.274894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5454.274894][ T10] ___sys_sendmsg+0xee/0x170 [ 5454.274894][ T10] __sys_sendmsg+0xcd/0x170 [ 5454.274894][ T10] do_syscall_64+0xc6/0x1e0 [ 5454.274894][ T10] [ 5454.276859][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5454.276859][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5454.276859][ T10] ipv6_find_idev+0x102/0x170 [ 5454.276859][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5454.276859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5454.276859][ T10] netlink_rcv_skb+0x130/0x360 [ 5454.276859][ T10] netlink_unicast+0x449/0x710 [ 5454.276859][ T10] netlink_sendmsg+0x723/0xbe0 [ 5454.276859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5454.276859][ T10] ___sys_sendmsg+0xee/0x170 [ 5454.276859][ T10] __sys_sendmsg+0xcd/0x170 [ 5454.276859][ T10] do_syscall_64+0xc6/0x1e0 [ 5454.276859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5454.276859][ T10] [ 5454.278397][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5454.278397][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5454.278397][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5454.278397][ T10] ipv6_find_idev+0x102/0x170 [ 5454.278397][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5454.278397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5454.278397][ T10] netlink_rcv_skb+0x130/0x360 [ 5454.278397][ T10] netlink_unicast+0x449/0x710 [ 5454.278397][ T10] netlink_sendmsg+0x723/0xbe0 [ 5454.278397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5454.278397][ T10] ___sys_sendmsg+0xee/0x170 [ 5454.278397][ T10] __sys_sendmsg+0xcd/0x170 [ 5454.278397][ T10] do_syscall_64+0xc6/0x1e0 [ 5454.278397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5454.278397][ T10] [ 5454.280083][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5454.280319][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5454.280319][ T10] netdev_get_by_index+0x5e/0x80 [ 5454.280319][ T10] fib6_nh_init+0x3d8/0x1580 [ 5454.280319][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5454.280319][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5454.280319][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5454.280319][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5454.280319][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5454.280319][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5454.280319][ T10] addrconf_dad_begin+0x310/0x670 [ 5454.280319][ T10] addrconf_dad_work+0x10b/0xab0 [ 5454.280319][ T10] process_one_work+0x84d/0x18a0 [ 5454.280319][ T10] worker_thread+0x587/0xd30 [ 5454.280319][ T10] kthread+0x28a/0x350 [ 5454.280319][ T10] ret_from_fork+0x31/0x70 [ 5454.280319][ T10] ret_from_fork_asm+0x1a/0x30 [ 5454.280319][ T10] [ 5454.282231][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5454.282231][ T10] netdev_get_by_index+0x5e/0x80 [ 5454.282231][ T10] fib6_nh_init+0x3d8/0x1580 [ 5454.282231][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5454.282231][ T10] ip6_route_add+0x1c/0x140 [ 5454.282231][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5454.282231][ T10] inet6_addr_add+0x4f8/0xa40 [ 5454.282231][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5454.282231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5454.282231][ T10] netlink_rcv_skb+0x130/0x360 [ 5454.282231][ T10] netlink_unicast+0x449/0x710 [ 5454.282231][ T10] netlink_sendmsg+0x723/0xbe0 [ 5454.282231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5454.282231][ T10] ___sys_sendmsg+0xee/0x170 [ 5454.282231][ T10] __sys_sendmsg+0xcd/0x170 [ 5454.282231][ T10] do_syscall_64+0xc6/0x1e0 [ 5454.282231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5454.282231][ T10] [ 5454.284423][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5454.284423][ T10] netdev_get_by_index+0x5e/0x80 [ 5454.284423][ T10] fib6_nh_init+0x3d8/0x1580 [ 5454.284423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5454.284423][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5454.284423][ T10] ipv6_add_addr+0x411/0x2000 [ 5454.284423][ T10] inet6_addr_add+0x30e/0xa40 [ 5454.284423][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5454.284423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5454.284423][ T10] netlink_rcv_skb+0x130/0x360 [ 5454.284423][ T10] netlink_unicast+0x449/0x710 [ 5454.284423][ T10] netlink_sendmsg+0x723/0xbe0 [ 5454.284423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5454.284423][ T10] ___sys_sendmsg+0xee/0x170 [ 5454.284423][ T10] __sys_sendmsg+0xcd/0x170 [ 5454.284423][ T10] do_syscall_64+0xc6/0x1e0 [ 5454.284423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5454.284423][ T10] [ 5454.286660][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5454.286660][ T10] netdev_get_by_index+0x5e/0x80 [ 5454.286660][ T10] fib6_nh_init+0x3d8/0x1580 [ 5454.286660][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5454.286660][ T10] ip6_route_add+0x1c/0x140 [ 5454.286660][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5454.286660][ T10] addrconf_add_dev+0xe2/0x170 [ 5454.286660][ T10] inet6_addr_add+0x12f/0xa40 [ 5454.286660][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5454.286660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5454.286660][ T10] netlink_rcv_skb+0x130/0x360 [ 5454.286660][ T10] netlink_unicast+0x449/0x710 [ 5454.286660][ T10] netlink_sendmsg+0x723/0xbe0 [ 5454.286660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5454.286660][ T10] ___sys_sendmsg+0xee/0x170 [ 5454.286660][ T10] __sys_sendmsg+0xcd/0x170 [ 5454.286660][ T10] do_syscall_64+0xc6/0x1e0 [ 5454.286660][ T10] [ 5454.288877][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5454.288877][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5454.288877][ T10] ipv6_find_idev+0x102/0x170 [ 5454.288877][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5454.288877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5454.288877][ T10] netlink_rcv_skb+0x130/0x360 [ 5454.288877][ T10] netlink_unicast+0x449/0x710 [ 5454.288877][ T10] netlink_sendmsg+0x723/0xbe0 [ 5454.288877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5454.288877][ T10] ___sys_sendmsg+0xee/0x170 [ 5454.288877][ T10] __sys_sendmsg+0xcd/0x170 [ 5454.288877][ T10] do_syscall_64+0xc6/0x1e0 [ 5454.288877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5454.288877][ T10] [ 5454.290661][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5454.290661][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5454.290661][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5454.290661][ T10] ipv6_find_idev+0x102/0x170 [ 5454.290661][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5454.290661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5454.290661][ T10] netlink_rcv_skb+0x130/0x360 [ 5454.290661][ T10] netlink_unicast+0x449/0x710 [ 5454.290661][ T10] netlink_sendmsg+0x723/0xbe0 [ 5454.290661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5454.290661][ T10] ___sys_sendmsg+0xee/0x170 [ 5454.290661][ T10] __sys_sendmsg+0xcd/0x170 [ 5454.290661][ T10] do_syscall_64+0xc6/0x1e0 [ 5454.290661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5454.290661][ T10] [ 5454.292531][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5454.292775][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5454.292775][ T10] netdev_get_by_index+0x5e/0x80 [ 5454.292775][ T10] fib6_nh_init+0x3d8/0x1580 [ 5454.292775][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5454.292775][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5454.292775][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5454.292775][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5454.292775][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5454.292775][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5454.292775][ T10] addrconf_dad_begin+0x310/0x670 [ 5454.292775][ T10] addrconf_dad_work+0x10b/0xab0 [ 5454.292775][ T10] process_one_work+0x84d/0x18a0 [ 5454.292775][ T10] worker_thread+0x587/0xd30 [ 5454.292775][ T10] kthread+0x28a/0x350 [ 5454.292775][ T10] ret_from_fork+0x31/0x70 [ 5454.292775][ T10] ret_from_fork_asm+0x1a/0x30 [ 5454.292775][ T10] [ 5454.294944][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5454.294944][ T10] netdev_get_by_index+0x5e/0x80 [ 5454.294944][ T10] fib6_nh_init+0x3d8/0x1580 [ 5454.294944][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5454.294944][ T10] ip6_route_add+0x1c/0x140 [ 5454.294944][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5454.294944][ T10] inet6_addr_add+0x4f8/0xa40 [ 5454.294944][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5454.294944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5454.294944][ T10] netlink_rcv_skb+0x130/0x360 [ 5454.294944][ T10] netlink_unicast+0x449/0x710 [ 5454.294944][ T10] netlink_sendmsg+0x723/0xbe0 [ 5454.294944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5454.294944][ T10] ___sys_sendmsg+0xee/0x170 [ 5454.294944][ T10] __sys_sendmsg+0xcd/0x170 [ 5454.294944][ T10] do_syscall_64+0xc6/0x1e0 [ 5454.294944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5454.294944][ T10] [ 5454.297176][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5454.297176][ T10] netdev_get_by_index+0x5e/0x80 [ 5454.297176][ T10] fib6_nh_init+0x3d8/0x1580 [ 5454.297176][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5454.297176][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5454.297176][ T10] ipv6_add_addr+0x411/0x2000 [ 5454.297176][ T10] inet6_addr_add+0x30e/0xa40 [ 5454.297176][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5454.297176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5454.297176][ T10] netlink_rcv_skb+0x130/0x360 [ 5454.297176][ T10] netlink_unicast+0x449/0x710 [ 5454.297176][ T10] netlink_sendmsg+0x723/0xbe0 [ 5454.297176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5454.297176][ T10] ___sys_sendmsg+0xee/0x170 [ 5454.297176][ T10] __sys_sendmsg+0xcd/0x170 [ 5454.297176][ T10] do_syscall_64+0xc6/0x1e0 [ 5454.297176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5454.297176][ T10] [ 5454.299484][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5454.299484][ T10] netdev_get_by_index+0x5e/0x80 [ 5454.299484][ T10] fib6_nh_init+0x3d8/0x1580 [ 5454.299484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5454.299484][ T10] ip6_route_add+0x1c/0x140 [ 5454.299484][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5454.299484][ T10] addrconf_add_dev+0xe2/0x170 [ 5454.299484][ T10] inet6_addr_add+0x12f/0xa40 [ 5454.299484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5454.299484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5454.299484][ T10] netlink_rcv_skb+0x130/0x360 [ 5454.299484][ T10] netlink_unicast+0x449/0x710 [ 5454.299484][ T10] netlink_sendmsg+0x723/0xbe0 [ 5454.299484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5454.299484][ T10] ___sys_sendmsg+0xee/0x170 [ 5454.299484][ T10] __sys_sendmsg+0xcd/0x170 [ 5454.299484][ T10] do_syscall_64+0xc6/0x1e0 [ 5454.299484][ T10] [ 5454.302139][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5454.302139][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5454.302139][ T10] ipv6_find_idev+0x102/0x170 [ 5454.302139][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5454.302139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5454.302139][ T10] netlink_rcv_skb+0x130/0x360 [ 5454.302139][ T10] netlink_unicast+0x449/0x710 [ 5454.302139][ T10] netlink_sendmsg+0x723/0xbe0 [ 5454.302139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5454.302139][ T10] ___sys_sendmsg+0xee/0x170 [ 5454.302139][ T10] __sys_sendmsg+0xcd/0x170 [ 5454.302139][ T10] do_syscall_64+0xc6/0x1e0 [ 5454.302139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5454.302139][ T10] [ 5454.303894][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5454.303894][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5454.303894][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5454.303894][ T10] ipv6_find_idev+0x102/0x170 [ 5454.303894][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5454.303894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5454.303894][ T10] netlink_rcv_skb+0x130/0x360 [ 5454.303894][ T10] netlink_unicast+0x449/0x710 [ 5454.303894][ T10] netlink_sendmsg+0x723/0xbe0 [ 5454.303894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5454.303894][ T10] ___sys_sendmsg+0xee/0x170 [ 5454.303894][ T10] __sys_sendmsg+0xcd/0x170 [ 5454.303894][ T10] do_syscall_64+0xc6/0x1e0 [ 5454.303894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5454.303894][ T10] [ 5456.385201][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5456.385753][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5456.385753][ T1167] dst_init+0x84/0x4a0 [ 5456.385753][ T1167] dst_alloc+0x97/0x150 [ 5456.385753][ T1167] ip6_dst_alloc+0x23/0x90 [ 5456.385753][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5456.385753][ T1167] ip6_pol_route+0x56f/0x840 [ 5456.385753][ T1167] fib6_rule_lookup+0x334/0x630 [ 5456.385753][ T1167] ip6_route_output_flags+0x259/0x480 [ 5456.385753][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5456.385753][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5456.385753][ T1167] netlink_rcv_skb+0x130/0x360 [ 5456.385753][ T1167] netlink_unicast+0x449/0x710 [ 5456.385753][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5456.385753][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5456.385753][ T1167] ___sys_sendmsg+0xee/0x170 [ 5456.385753][ T1167] __sys_sendmsg+0xcd/0x170 [ 5456.385753][ T1167] do_syscall_64+0xc6/0x1e0 [ 5456.385753][ T1167] [ 5456.388214][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5456.388214][ T1167] netdev_get_by_index+0x5e/0x80 [ 5456.388214][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5456.388214][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5456.388214][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5456.388214][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5456.388214][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5456.388214][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5456.388214][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5456.388214][ T1167] addrconf_dad_begin+0x310/0x670 [ 5456.388214][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5456.388214][ T1167] process_one_work+0x84d/0x18a0 [ 5456.388214][ T1167] worker_thread+0x587/0xd30 [ 5456.388214][ T1167] kthread+0x28a/0x350 [ 5456.388214][ T1167] ret_from_fork+0x31/0x70 [ 5456.388214][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5456.388214][ T1167] [ 5456.395074][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5456.395074][ T1167] netdev_get_by_index+0x5e/0x80 [ 5456.395074][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5456.395074][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5456.395074][ T1167] ip6_route_add+0x1c/0x140 [ 5456.395074][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5456.395074][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5456.395074][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5456.395074][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5456.395074][ T1167] netlink_rcv_skb+0x130/0x360 [ 5456.395074][ T1167] netlink_unicast+0x449/0x710 [ 5456.395074][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5456.395074][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5456.395074][ T1167] ___sys_sendmsg+0xee/0x170 [ 5456.395074][ T1167] __sys_sendmsg+0xcd/0x170 [ 5456.395074][ T1167] do_syscall_64+0xc6/0x1e0 [ 5456.395074][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5456.395074][ T1167] [ 5456.397584][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5456.397584][ T1167] netdev_get_by_index+0x5e/0x80 [ 5456.397584][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5456.397584][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5456.397584][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5456.397584][ T1167] ipv6_add_addr+0x411/0x2000 [ 5456.397584][ T1167] inet6_addr_add+0x30e/0xa40 [ 5456.397584][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5456.397584][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5456.397584][ T1167] netlink_rcv_skb+0x130/0x360 [ 5456.397584][ T1167] netlink_unicast+0x449/0x710 [ 5456.397584][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5456.397584][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5456.397584][ T1167] ___sys_sendmsg+0xee/0x170 [ 5456.397584][ T1167] __sys_sendmsg+0xcd/0x170 [ 5456.397584][ T1167] do_syscall_64+0xc6/0x1e0 [ 5456.397584][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5456.397584][ T1167] [ 5456.400067][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5456.400067][ T1167] netdev_get_by_index+0x5e/0x80 [ 5456.400067][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5456.400067][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5456.400067][ T1167] ip6_route_add+0x1c/0x140 [ 5456.400067][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5456.400067][ T1167] addrconf_add_dev+0xe2/0x170 [ 5456.400067][ T1167] inet6_addr_add+0x12f/0xa40 [ 5456.400067][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5456.400067][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5456.400067][ T1167] netlink_rcv_skb+0x130/0x360 [ 5456.400067][ T1167] netlink_unicast+0x449/0x710 [ 5456.400067][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5456.400067][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5456.400067][ T1167] ___sys_sendmsg+0xee/0x170 [ 5456.400067][ T1167] __sys_sendmsg+0xcd/0x170 [ 5456.400067][ T1167] do_syscall_64+0xc6/0x1e0 [ 5456.400067][ T1167] [ 5456.402557][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5456.402557][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5456.402557][ T1167] ipv6_find_idev+0x102/0x170 [ 5456.402557][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5456.402557][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5456.402557][ T1167] netlink_rcv_skb+0x130/0x360 [ 5456.402557][ T1167] netlink_unicast+0x449/0x710 [ 5456.402557][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5456.402557][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5456.402557][ T1167] ___sys_sendmsg+0xee/0x170 [ 5456.402557][ T1167] __sys_sendmsg+0xcd/0x170 [ 5456.402557][ T1167] do_syscall_64+0xc6/0x1e0 [ 5456.402557][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5456.402557][ T1167] [ 5456.404486][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5456.404486][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5456.404486][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5456.404486][ T1167] ipv6_find_idev+0x102/0x170 [ 5456.404486][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5456.404486][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5456.404486][ T1167] netlink_rcv_skb+0x130/0x360 [ 5456.404486][ T1167] netlink_unicast+0x449/0x710 [ 5456.404486][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5456.404486][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5456.404486][ T1167] ___sys_sendmsg+0xee/0x170 [ 5456.404486][ T1167] __sys_sendmsg+0xcd/0x170 [ 5456.404486][ T1167] do_syscall_64+0xc6/0x1e0 [ 5456.404486][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5456.404486][ T1167] [ 5464.321109][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5464.321471][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5464.321471][ T10] netdev_get_by_index+0x5e/0x80 [ 5464.321471][ T10] fib6_nh_init+0x3d8/0x1580 [ 5464.321471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5464.321471][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5464.321471][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5464.321471][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5464.321471][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5464.321471][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5464.321471][ T10] addrconf_dad_begin+0x310/0x670 [ 5464.321471][ T10] addrconf_dad_work+0x10b/0xab0 [ 5464.321471][ T10] process_one_work+0x84d/0x18a0 [ 5464.321471][ T10] worker_thread+0x587/0xd30 [ 5464.321471][ T10] kthread+0x28a/0x350 [ 5464.321471][ T10] ret_from_fork+0x31/0x70 [ 5464.321471][ T10] ret_from_fork_asm+0x1a/0x30 [ 5464.321471][ T10] [ 5464.323458][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5464.323458][ T10] netdev_get_by_index+0x5e/0x80 [ 5464.323458][ T10] fib6_nh_init+0x3d8/0x1580 [ 5464.323458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5464.323458][ T10] ip6_route_add+0x1c/0x140 [ 5464.323458][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5464.323458][ T10] inet6_addr_add+0x4f8/0xa40 [ 5464.323458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5464.323458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5464.323458][ T10] netlink_rcv_skb+0x130/0x360 [ 5464.323458][ T10] netlink_unicast+0x449/0x710 [ 5464.323458][ T10] netlink_sendmsg+0x723/0xbe0 [ 5464.323458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5464.323458][ T10] ___sys_sendmsg+0xee/0x170 [ 5464.323458][ T10] __sys_sendmsg+0xcd/0x170 [ 5464.323458][ T10] do_syscall_64+0xc6/0x1e0 [ 5464.323458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5464.323458][ T10] [ 5464.325459][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5464.325459][ T10] netdev_get_by_index+0x5e/0x80 [ 5464.325459][ T10] fib6_nh_init+0x3d8/0x1580 [ 5464.325459][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5464.325459][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5464.325459][ T10] ipv6_add_addr+0x411/0x2000 [ 5464.325459][ T10] inet6_addr_add+0x30e/0xa40 [ 5464.325459][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5464.325459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5464.325459][ T10] netlink_rcv_skb+0x130/0x360 [ 5464.325459][ T10] netlink_unicast+0x449/0x710 [ 5464.325459][ T10] netlink_sendmsg+0x723/0xbe0 [ 5464.325459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5464.325459][ T10] ___sys_sendmsg+0xee/0x170 [ 5464.325459][ T10] __sys_sendmsg+0xcd/0x170 [ 5464.325459][ T10] do_syscall_64+0xc6/0x1e0 [ 5464.325459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5464.325459][ T10] [ 5464.327474][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5464.327474][ T10] netdev_get_by_index+0x5e/0x80 [ 5464.327474][ T10] fib6_nh_init+0x3d8/0x1580 [ 5464.327474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5464.327474][ T10] ip6_route_add+0x1c/0x140 [ 5464.327474][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5464.327474][ T10] addrconf_add_dev+0xe2/0x170 [ 5464.327474][ T10] inet6_addr_add+0x12f/0xa40 [ 5464.327474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5464.327474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5464.327474][ T10] netlink_rcv_skb+0x130/0x360 [ 5464.327474][ T10] netlink_unicast+0x449/0x710 [ 5464.327474][ T10] netlink_sendmsg+0x723/0xbe0 [ 5464.327474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5464.327474][ T10] ___sys_sendmsg+0xee/0x170 [ 5464.327474][ T10] __sys_sendmsg+0xcd/0x170 [ 5464.327474][ T10] do_syscall_64+0xc6/0x1e0 [ 5464.327474][ T10] [ 5464.329448][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5464.329448][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5464.329448][ T10] ipv6_find_idev+0x102/0x170 [ 5464.329448][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5464.329448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5464.329448][ T10] netlink_rcv_skb+0x130/0x360 [ 5464.329448][ T10] netlink_unicast+0x449/0x710 [ 5464.329448][ T10] netlink_sendmsg+0x723/0xbe0 [ 5464.329448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5464.329448][ T10] ___sys_sendmsg+0xee/0x170 [ 5464.329448][ T10] __sys_sendmsg+0xcd/0x170 [ 5464.329448][ T10] do_syscall_64+0xc6/0x1e0 [ 5464.329448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5464.329448][ T10] [ 5464.330999][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5464.330999][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5464.330999][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5464.330999][ T10] ipv6_find_idev+0x102/0x170 [ 5464.330999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5464.330999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5464.330999][ T10] netlink_rcv_skb+0x130/0x360 [ 5464.330999][ T10] netlink_unicast+0x449/0x710 [ 5464.330999][ T10] netlink_sendmsg+0x723/0xbe0 [ 5464.330999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5464.330999][ T10] ___sys_sendmsg+0xee/0x170 [ 5464.330999][ T10] __sys_sendmsg+0xcd/0x170 [ 5464.330999][ T10] do_syscall_64+0xc6/0x1e0 [ 5464.330999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5464.330999][ T10] [ 5464.332699][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5464.332942][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5464.332942][ T10] netdev_get_by_index+0x5e/0x80 [ 5464.332942][ T10] fib6_nh_init+0x3d8/0x1580 [ 5464.332942][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5464.332942][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5464.332942][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5464.332942][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5464.332942][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5464.332942][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5464.332942][ T10] addrconf_dad_begin+0x310/0x670 [ 5464.332942][ T10] addrconf_dad_work+0x10b/0xab0 [ 5464.332942][ T10] process_one_work+0x84d/0x18a0 [ 5464.332942][ T10] worker_thread+0x587/0xd30 [ 5464.332942][ T10] kthread+0x28a/0x350 [ 5464.332942][ T10] ret_from_fork+0x31/0x70 [ 5464.332942][ T10] ret_from_fork_asm+0x1a/0x30 [ 5464.332942][ T10] [ 5464.334860][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5464.334860][ T10] netdev_get_by_index+0x5e/0x80 [ 5464.334860][ T10] fib6_nh_init+0x3d8/0x1580 [ 5464.334860][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5464.334860][ T10] ip6_route_add+0x1c/0x140 [ 5464.334860][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5464.334860][ T10] inet6_addr_add+0x4f8/0xa40 [ 5464.334860][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5464.334860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5464.334860][ T10] netlink_rcv_skb+0x130/0x360 [ 5464.334860][ T10] netlink_unicast+0x449/0x710 [ 5464.334860][ T10] netlink_sendmsg+0x723/0xbe0 [ 5464.334860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5464.334860][ T10] ___sys_sendmsg+0xee/0x170 [ 5464.334860][ T10] __sys_sendmsg+0xcd/0x170 [ 5464.334860][ T10] do_syscall_64+0xc6/0x1e0 [ 5464.334860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5464.334860][ T10] [ 5464.336870][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5464.336870][ T10] netdev_get_by_index+0x5e/0x80 [ 5464.336870][ T10] fib6_nh_init+0x3d8/0x1580 [ 5464.336870][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5464.336870][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5464.336870][ T10] ipv6_add_addr+0x411/0x2000 [ 5464.336870][ T10] inet6_addr_add+0x30e/0xa40 [ 5464.336870][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5464.336870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5464.336870][ T10] netlink_rcv_skb+0x130/0x360 [ 5464.336870][ T10] netlink_unicast+0x449/0x710 [ 5464.336870][ T10] netlink_sendmsg+0x723/0xbe0 [ 5464.336870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5464.336870][ T10] ___sys_sendmsg+0xee/0x170 [ 5464.336870][ T10] __sys_sendmsg+0xcd/0x170 [ 5464.336870][ T10] do_syscall_64+0xc6/0x1e0 [ 5464.336870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5464.336870][ T10] [ 5464.338864][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5464.338864][ T10] netdev_get_by_index+0x5e/0x80 [ 5464.338864][ T10] fib6_nh_init+0x3d8/0x1580 [ 5464.338864][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5464.338864][ T10] ip6_route_add+0x1c/0x140 [ 5464.338864][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5464.338864][ T10] addrconf_add_dev+0xe2/0x170 [ 5464.338864][ T10] inet6_addr_add+0x12f/0xa40 [ 5464.338864][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5464.338864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5464.338864][ T10] netlink_rcv_skb+0x130/0x360 [ 5464.338864][ T10] netlink_unicast+0x449/0x710 [ 5464.338864][ T10] netlink_sendmsg+0x723/0xbe0 [ 5464.338864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5464.338864][ T10] ___sys_sendmsg+0xee/0x170 [ 5464.338864][ T10] __sys_sendmsg+0xcd/0x170 [ 5464.338864][ T10] do_syscall_64+0xc6/0x1e0 [ 5464.338864][ T10] [ 5464.340821][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5464.340821][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5464.340821][ T10] ipv6_find_idev+0x102/0x170 [ 5464.340821][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5464.340821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5464.340821][ T10] netlink_rcv_skb+0x130/0x360 [ 5464.340821][ T10] netlink_unicast+0x449/0x710 [ 5464.340821][ T10] netlink_sendmsg+0x723/0xbe0 [ 5464.340821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5464.340821][ T10] ___sys_sendmsg+0xee/0x170 [ 5464.340821][ T10] __sys_sendmsg+0xcd/0x170 [ 5464.340821][ T10] do_syscall_64+0xc6/0x1e0 [ 5464.340821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5464.340821][ T10] [ 5464.342355][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5464.342355][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5464.342355][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5464.342355][ T10] ipv6_find_idev+0x102/0x170 [ 5464.342355][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5464.342355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5464.342355][ T10] netlink_rcv_skb+0x130/0x360 [ 5464.342355][ T10] netlink_unicast+0x449/0x710 [ 5464.342355][ T10] netlink_sendmsg+0x723/0xbe0 [ 5464.342355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5464.342355][ T10] ___sys_sendmsg+0xee/0x170 [ 5464.342355][ T10] __sys_sendmsg+0xcd/0x170 [ 5464.342355][ T10] do_syscall_64+0xc6/0x1e0 [ 5464.342355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5464.342355][ T10] [ 5464.344043][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5464.344289][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5464.344289][ T10] netdev_get_by_index+0x5e/0x80 [ 5464.344289][ T10] fib6_nh_init+0x3d8/0x1580 [ 5464.344289][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5464.344289][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5464.344289][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5464.344289][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5464.344289][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5464.344289][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5464.344289][ T10] addrconf_dad_begin+0x310/0x670 [ 5464.344289][ T10] addrconf_dad_work+0x10b/0xab0 [ 5464.344289][ T10] process_one_work+0x84d/0x18a0 [ 5464.344289][ T10] worker_thread+0x587/0xd30 [ 5464.344289][ T10] kthread+0x28a/0x350 [ 5464.344289][ T10] ret_from_fork+0x31/0x70 [ 5464.344289][ T10] ret_from_fork_asm+0x1a/0x30 [ 5464.344289][ T10] [ 5464.346187][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5464.346187][ T10] netdev_get_by_index+0x5e/0x80 [ 5464.346187][ T10] fib6_nh_init+0x3d8/0x1580 [ 5464.346187][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5464.346187][ T10] ip6_route_add+0x1c/0x140 [ 5464.346187][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5464.346187][ T10] inet6_addr_add+0x4f8/0xa40 [ 5464.346187][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5464.346187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5464.346187][ T10] netlink_rcv_skb+0x130/0x360 [ 5464.346187][ T10] netlink_unicast+0x449/0x710 [ 5464.346187][ T10] netlink_sendmsg+0x723/0xbe0 [ 5464.346187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5464.346187][ T10] ___sys_sendmsg+0xee/0x170 [ 5464.346187][ T10] __sys_sendmsg+0xcd/0x170 [ 5464.346187][ T10] do_syscall_64+0xc6/0x1e0 [ 5464.346187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5464.346187][ T10] [ 5464.348360][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5464.348360][ T10] netdev_get_by_index+0x5e/0x80 [ 5464.348360][ T10] fib6_nh_init+0x3d8/0x1580 [ 5464.348360][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5464.348360][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5464.348360][ T10] ipv6_add_addr+0x411/0x2000 [ 5464.348360][ T10] inet6_addr_add+0x30e/0xa40 [ 5464.348360][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5464.348360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5464.348360][ T10] netlink_rcv_skb+0x130/0x360 [ 5464.348360][ T10] netlink_unicast+0x449/0x710 [ 5464.348360][ T10] netlink_sendmsg+0x723/0xbe0 [ 5464.348360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5464.348360][ T10] ___sys_sendmsg+0xee/0x170 [ 5464.348360][ T10] __sys_sendmsg+0xcd/0x170 [ 5464.348360][ T10] do_syscall_64+0xc6/0x1e0 [ 5464.348360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5464.348360][ T10] [ 5464.350596][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5464.350596][ T10] netdev_get_by_index+0x5e/0x80 [ 5464.350596][ T10] fib6_nh_init+0x3d8/0x1580 [ 5464.350596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5464.350596][ T10] ip6_route_add+0x1c/0x140 [ 5464.350596][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5464.350596][ T10] addrconf_add_dev+0xe2/0x170 [ 5464.350596][ T10] inet6_addr_add+0x12f/0xa40 [ 5464.350596][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5464.350596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5464.350596][ T10] netlink_rcv_skb+0x130/0x360 [ 5464.350596][ T10] netlink_unicast+0x449/0x710 [ 5464.350596][ T10] netlink_sendmsg+0x723/0xbe0 [ 5464.350596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5464.350596][ T10] ___sys_sendmsg+0xee/0x170 [ 5464.350596][ T10] __sys_sendmsg+0xcd/0x170 [ 5464.350596][ T10] do_syscall_64+0xc6/0x1e0 [ 5464.350596][ T10] [ 5464.352878][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5464.352878][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5464.352878][ T10] ipv6_find_idev+0x102/0x170 [ 5464.352878][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5464.352878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5464.352878][ T10] netlink_rcv_skb+0x130/0x360 [ 5464.352878][ T10] netlink_unicast+0x449/0x710 [ 5464.352878][ T10] netlink_sendmsg+0x723/0xbe0 [ 5464.352878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5464.352878][ T10] ___sys_sendmsg+0xee/0x170 [ 5464.352878][ T10] __sys_sendmsg+0xcd/0x170 [ 5464.352878][ T10] do_syscall_64+0xc6/0x1e0 [ 5464.352878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5464.352878][ T10] [ 5464.354589][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5464.354589][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5464.354589][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5464.354589][ T10] ipv6_find_idev+0x102/0x170 [ 5464.354589][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5464.354589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5464.354589][ T10] netlink_rcv_skb+0x130/0x360 [ 5464.354589][ T10] netlink_unicast+0x449/0x710 [ 5464.354589][ T10] netlink_sendmsg+0x723/0xbe0 [ 5464.354589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5464.354589][ T10] ___sys_sendmsg+0xee/0x170 [ 5464.354589][ T10] __sys_sendmsg+0xcd/0x170 [ 5464.354589][ T10] do_syscall_64+0xc6/0x1e0 [ 5464.354589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5464.354589][ T10] [ 5464.356451][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5464.356688][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5464.356688][ T10] netdev_get_by_index+0x5e/0x80 [ 5464.356688][ T10] fib6_nh_init+0x3d8/0x1580 [ 5464.356688][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5464.356688][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5464.356688][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5464.356688][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5464.356688][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5464.356688][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5464.356688][ T10] addrconf_dad_begin+0x310/0x670 [ 5464.356688][ T10] addrconf_dad_work+0x10b/0xab0 [ 5464.356688][ T10] process_one_work+0x84d/0x18a0 [ 5464.356688][ T10] worker_thread+0x587/0xd30 [ 5464.356688][ T10] kthread+0x28a/0x350 [ 5464.356688][ T10] ret_from_fork+0x31/0x70 [ 5464.356688][ T10] ret_from_fork_asm+0x1a/0x30 [ 5464.356688][ T10] [ 5464.358853][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5464.358853][ T10] netdev_get_by_index+0x5e/0x80 [ 5464.358853][ T10] fib6_nh_init+0x3d8/0x1580 [ 5464.358853][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5464.358853][ T10] ip6_route_add+0x1c/0x140 [ 5464.358853][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5464.358853][ T10] inet6_addr_add+0x4f8/0xa40 [ 5464.358853][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5464.358853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5464.358853][ T10] netlink_rcv_skb+0x130/0x360 [ 5464.358853][ T10] netlink_unicast+0x449/0x710 [ 5464.358853][ T10] netlink_sendmsg+0x723/0xbe0 [ 5464.358853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5464.358853][ T10] ___sys_sendmsg+0xee/0x170 [ 5464.358853][ T10] __sys_sendmsg+0xcd/0x170 [ 5464.358853][ T10] do_syscall_64+0xc6/0x1e0 [ 5464.358853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5464.358853][ T10] [ 5464.361149][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5464.361149][ T10] netdev_get_by_index+0x5e/0x80 [ 5464.361149][ T10] fib6_nh_init+0x3d8/0x1580 [ 5464.361149][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5464.361149][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5464.361149][ T10] ipv6_add_addr+0x411/0x2000 [ 5464.361149][ T10] inet6_addr_add+0x30e/0xa40 [ 5464.361149][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5464.361149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5464.361149][ T10] netlink_rcv_skb+0x130/0x360 [ 5464.361149][ T10] netlink_unicast+0x449/0x710 [ 5464.361149][ T10] netlink_sendmsg+0x723/0xbe0 [ 5464.361149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5464.361149][ T10] ___sys_sendmsg+0xee/0x170 [ 5464.361149][ T10] __sys_sendmsg+0xcd/0x170 [ 5464.361149][ T10] do_syscall_64+0xc6/0x1e0 [ 5464.361149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5464.361149][ T10] [ 5464.363422][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5464.363422][ T10] netdev_get_by_index+0x5e/0x80 [ 5464.363422][ T10] fib6_nh_init+0x3d8/0x1580 [ 5464.363422][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5464.363422][ T10] ip6_route_add+0x1c/0x140 [ 5464.363422][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5464.363422][ T10] addrconf_add_dev+0xe2/0x170 [ 5464.363422][ T10] inet6_addr_add+0x12f/0xa40 [ 5464.363422][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5464.363422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5464.363422][ T10] netlink_rcv_skb+0x130/0x360 [ 5464.363422][ T10] netlink_unicast+0x449/0x710 [ 5464.363422][ T10] netlink_sendmsg+0x723/0xbe0 [ 5464.363422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5464.363422][ T10] ___sys_sendmsg+0xee/0x170 [ 5464.363422][ T10] __sys_sendmsg+0xcd/0x170 [ 5464.363422][ T10] do_syscall_64+0xc6/0x1e0 [ 5464.363422][ T10] [ 5464.365575][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5464.365575][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5464.365575][ T10] ipv6_find_idev+0x102/0x170 [ 5464.365575][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5464.365575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5464.365575][ T10] netlink_rcv_skb+0x130/0x360 [ 5464.365575][ T10] netlink_unicast+0x449/0x710 [ 5464.365575][ T10] netlink_sendmsg+0x723/0xbe0 [ 5464.365575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5464.365575][ T10] ___sys_sendmsg+0xee/0x170 [ 5464.365575][ T10] __sys_sendmsg+0xcd/0x170 [ 5464.365575][ T10] do_syscall_64+0xc6/0x1e0 [ 5464.365575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5464.365575][ T10] [ 5464.367305][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5464.367305][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5464.367305][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5464.367305][ T10] ipv6_find_idev+0x102/0x170 [ 5464.367305][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5464.367305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5464.367305][ T10] netlink_rcv_skb+0x130/0x360 [ 5464.367305][ T10] netlink_unicast+0x449/0x710 [ 5464.367305][ T10] netlink_sendmsg+0x723/0xbe0 [ 5464.367305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5464.367305][ T10] ___sys_sendmsg+0xee/0x170 [ 5464.367305][ T10] __sys_sendmsg+0xcd/0x170 [ 5464.367305][ T10] do_syscall_64+0xc6/0x1e0 [ 5464.367305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5464.367305][ T10] [ 5466.649124][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5466.649651][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5466.649651][ T1167] dst_init+0x84/0x4a0 [ 5466.649651][ T1167] dst_alloc+0x97/0x150 [ 5466.649651][ T1167] ip6_dst_alloc+0x23/0x90 [ 5466.649651][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5466.649651][ T1167] ip6_pol_route+0x56f/0x840 [ 5466.649651][ T1167] fib6_rule_lookup+0x334/0x630 [ 5466.649651][ T1167] ip6_route_output_flags+0x259/0x480 [ 5466.649651][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5466.649651][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5466.649651][ T1167] netlink_rcv_skb+0x130/0x360 [ 5466.649651][ T1167] netlink_unicast+0x449/0x710 [ 5466.649651][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5466.649651][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5466.649651][ T1167] ___sys_sendmsg+0xee/0x170 [ 5466.649651][ T1167] __sys_sendmsg+0xcd/0x170 [ 5466.649651][ T1167] do_syscall_64+0xc6/0x1e0 [ 5466.649651][ T1167] [ 5466.652135][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5466.652135][ T1167] netdev_get_by_index+0x5e/0x80 [ 5466.652135][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5466.652135][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5466.652135][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5466.652135][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5466.652135][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5466.652135][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5466.652135][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5466.652135][ T1167] addrconf_dad_begin+0x310/0x670 [ 5466.652135][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5466.652135][ T1167] process_one_work+0x84d/0x18a0 [ 5466.652135][ T1167] worker_thread+0x587/0xd30 [ 5466.652135][ T1167] kthread+0x28a/0x350 [ 5466.652135][ T1167] ret_from_fork+0x31/0x70 [ 5466.652135][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5466.652135][ T1167] [ 5466.654528][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5466.654528][ T1167] netdev_get_by_index+0x5e/0x80 [ 5466.654528][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5466.654528][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5466.654528][ T1167] ip6_route_add+0x1c/0x140 [ 5466.654528][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5466.654528][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5466.654528][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5466.654528][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5466.654528][ T1167] netlink_rcv_skb+0x130/0x360 [ 5466.654528][ T1167] netlink_unicast+0x449/0x710 [ 5466.654528][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5466.654528][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5466.654528][ T1167] ___sys_sendmsg+0xee/0x170 [ 5466.654528][ T1167] __sys_sendmsg+0xcd/0x170 [ 5466.654528][ T1167] do_syscall_64+0xc6/0x1e0 [ 5466.654528][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5466.654528][ T1167] [ 5466.657022][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5466.657022][ T1167] netdev_get_by_index+0x5e/0x80 [ 5466.657022][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5466.657022][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5466.657022][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5466.657022][ T1167] ipv6_add_addr+0x411/0x2000 [ 5466.657022][ T1167] inet6_addr_add+0x30e/0xa40 [ 5466.657022][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5466.657022][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5466.657022][ T1167] netlink_rcv_skb+0x130/0x360 [ 5466.657022][ T1167] netlink_unicast+0x449/0x710 [ 5466.657022][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5466.657022][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5466.657022][ T1167] ___sys_sendmsg+0xee/0x170 [ 5466.657022][ T1167] __sys_sendmsg+0xcd/0x170 [ 5466.657022][ T1167] do_syscall_64+0xc6/0x1e0 [ 5466.657022][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5466.657022][ T1167] [ 5466.659521][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5466.659521][ T1167] netdev_get_by_index+0x5e/0x80 [ 5466.659521][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5466.659521][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5466.659521][ T1167] ip6_route_add+0x1c/0x140 [ 5466.659521][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5466.659521][ T1167] addrconf_add_dev+0xe2/0x170 [ 5466.659521][ T1167] inet6_addr_add+0x12f/0xa40 [ 5466.659521][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5466.659521][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5466.659521][ T1167] netlink_rcv_skb+0x130/0x360 [ 5466.659521][ T1167] netlink_unicast+0x449/0x710 [ 5466.659521][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5466.659521][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5466.659521][ T1167] ___sys_sendmsg+0xee/0x170 [ 5466.659521][ T1167] __sys_sendmsg+0xcd/0x170 [ 5466.659521][ T1167] do_syscall_64+0xc6/0x1e0 [ 5466.659521][ T1167] [ 5466.661984][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5466.661984][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5466.661984][ T1167] ipv6_find_idev+0x102/0x170 [ 5466.661984][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5466.661984][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5466.661984][ T1167] netlink_rcv_skb+0x130/0x360 [ 5466.661984][ T1167] netlink_unicast+0x449/0x710 [ 5466.661984][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5466.661984][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5466.661984][ T1167] ___sys_sendmsg+0xee/0x170 [ 5466.661984][ T1167] __sys_sendmsg+0xcd/0x170 [ 5466.661984][ T1167] do_syscall_64+0xc6/0x1e0 [ 5466.661984][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5466.661984][ T1167] [ 5466.663911][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5466.663911][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5466.663911][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5466.663911][ T1167] ipv6_find_idev+0x102/0x170 [ 5466.663911][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5466.663911][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5466.663911][ T1167] netlink_rcv_skb+0x130/0x360 [ 5466.663911][ T1167] netlink_unicast+0x449/0x710 [ 5466.663911][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5466.663911][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5466.663911][ T1167] ___sys_sendmsg+0xee/0x170 [ 5466.663911][ T1167] __sys_sendmsg+0xcd/0x170 [ 5466.663911][ T1167] do_syscall_64+0xc6/0x1e0 [ 5466.663911][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5466.663911][ T1167] [ 5474.625127][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5474.625581][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5474.625581][ T10] netdev_get_by_index+0x5e/0x80 [ 5474.625581][ T10] fib6_nh_init+0x3d8/0x1580 [ 5474.625581][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5474.625581][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5474.625581][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5474.625581][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5474.625581][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5474.625581][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5474.625581][ T10] addrconf_dad_begin+0x310/0x670 [ 5474.625581][ T10] addrconf_dad_work+0x10b/0xab0 [ 5474.625581][ T10] process_one_work+0x84d/0x18a0 [ 5474.625581][ T10] worker_thread+0x587/0xd30 [ 5474.625581][ T10] kthread+0x28a/0x350 [ 5474.625581][ T10] ret_from_fork+0x31/0x70 [ 5474.625581][ T10] ret_from_fork_asm+0x1a/0x30 [ 5474.625581][ T10] [ 5474.627543][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5474.627543][ T10] netdev_get_by_index+0x5e/0x80 [ 5474.627543][ T10] fib6_nh_init+0x3d8/0x1580 [ 5474.627543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5474.627543][ T10] ip6_route_add+0x1c/0x140 [ 5474.627543][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5474.627543][ T10] inet6_addr_add+0x4f8/0xa40 [ 5474.627543][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5474.627543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.627543][ T10] netlink_rcv_skb+0x130/0x360 [ 5474.627543][ T10] netlink_unicast+0x449/0x710 [ 5474.627543][ T10] netlink_sendmsg+0x723/0xbe0 [ 5474.627543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5474.627543][ T10] ___sys_sendmsg+0xee/0x170 [ 5474.627543][ T10] __sys_sendmsg+0xcd/0x170 [ 5474.627543][ T10] do_syscall_64+0xc6/0x1e0 [ 5474.627543][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.627543][ T10] [ 5474.629550][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5474.629550][ T10] netdev_get_by_index+0x5e/0x80 [ 5474.629550][ T10] fib6_nh_init+0x3d8/0x1580 [ 5474.629550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5474.629550][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5474.629550][ T10] ipv6_add_addr+0x411/0x2000 [ 5474.629550][ T10] inet6_addr_add+0x30e/0xa40 [ 5474.629550][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5474.629550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.629550][ T10] netlink_rcv_skb+0x130/0x360 [ 5474.629550][ T10] netlink_unicast+0x449/0x710 [ 5474.629550][ T10] netlink_sendmsg+0x723/0xbe0 [ 5474.629550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5474.629550][ T10] ___sys_sendmsg+0xee/0x170 [ 5474.629550][ T10] __sys_sendmsg+0xcd/0x170 [ 5474.629550][ T10] do_syscall_64+0xc6/0x1e0 [ 5474.629550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.629550][ T10] [ 5474.631560][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5474.631560][ T10] netdev_get_by_index+0x5e/0x80 [ 5474.631560][ T10] fib6_nh_init+0x3d8/0x1580 [ 5474.631560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5474.631560][ T10] ip6_route_add+0x1c/0x140 [ 5474.631560][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5474.631560][ T10] addrconf_add_dev+0xe2/0x170 [ 5474.631560][ T10] inet6_addr_add+0x12f/0xa40 [ 5474.631560][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5474.631560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.631560][ T10] netlink_rcv_skb+0x130/0x360 [ 5474.631560][ T10] netlink_unicast+0x449/0x710 [ 5474.631560][ T10] netlink_sendmsg+0x723/0xbe0 [ 5474.631560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5474.631560][ T10] ___sys_sendmsg+0xee/0x170 [ 5474.631560][ T10] __sys_sendmsg+0xcd/0x170 [ 5474.631560][ T10] do_syscall_64+0xc6/0x1e0 [ 5474.631560][ T10] [ 5474.633548][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5474.633548][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5474.633548][ T10] ipv6_find_idev+0x102/0x170 [ 5474.633548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5474.633548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.633548][ T10] netlink_rcv_skb+0x130/0x360 [ 5474.633548][ T10] netlink_unicast+0x449/0x710 [ 5474.633548][ T10] netlink_sendmsg+0x723/0xbe0 [ 5474.633548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5474.633548][ T10] ___sys_sendmsg+0xee/0x170 [ 5474.633548][ T10] __sys_sendmsg+0xcd/0x170 [ 5474.633548][ T10] do_syscall_64+0xc6/0x1e0 [ 5474.633548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.633548][ T10] [ 5474.635090][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5474.635090][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5474.635090][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5474.635090][ T10] ipv6_find_idev+0x102/0x170 [ 5474.635090][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5474.635090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.635090][ T10] netlink_rcv_skb+0x130/0x360 [ 5474.635090][ T10] netlink_unicast+0x449/0x710 [ 5474.635090][ T10] netlink_sendmsg+0x723/0xbe0 [ 5474.635090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5474.635090][ T10] ___sys_sendmsg+0xee/0x170 [ 5474.635090][ T10] __sys_sendmsg+0xcd/0x170 [ 5474.635090][ T10] do_syscall_64+0xc6/0x1e0 [ 5474.635090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.635090][ T10] [ 5474.636793][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5474.637063][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5474.637063][ T10] netdev_get_by_index+0x5e/0x80 [ 5474.637063][ T10] fib6_nh_init+0x3d8/0x1580 [ 5474.637063][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5474.637063][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5474.637063][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5474.637063][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5474.637063][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5474.637063][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5474.637063][ T10] addrconf_dad_begin+0x310/0x670 [ 5474.637063][ T10] addrconf_dad_work+0x10b/0xab0 [ 5474.637063][ T10] process_one_work+0x84d/0x18a0 [ 5474.637063][ T10] worker_thread+0x587/0xd30 [ 5474.637063][ T10] kthread+0x28a/0x350 [ 5474.637063][ T10] ret_from_fork+0x31/0x70 [ 5474.637063][ T10] ret_from_fork_asm+0x1a/0x30 [ 5474.637063][ T10] [ 5474.638982][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5474.638982][ T10] netdev_get_by_index+0x5e/0x80 [ 5474.638982][ T10] fib6_nh_init+0x3d8/0x1580 [ 5474.638982][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5474.638982][ T10] ip6_route_add+0x1c/0x140 [ 5474.638982][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5474.638982][ T10] inet6_addr_add+0x4f8/0xa40 [ 5474.638982][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5474.638982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.638982][ T10] netlink_rcv_skb+0x130/0x360 [ 5474.638982][ T10] netlink_unicast+0x449/0x710 [ 5474.638982][ T10] netlink_sendmsg+0x723/0xbe0 [ 5474.638982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5474.638982][ T10] ___sys_sendmsg+0xee/0x170 [ 5474.638982][ T10] __sys_sendmsg+0xcd/0x170 [ 5474.638982][ T10] do_syscall_64+0xc6/0x1e0 [ 5474.638982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.638982][ T10] [ 5474.640974][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5474.640974][ T10] netdev_get_by_index+0x5e/0x80 [ 5474.640974][ T10] fib6_nh_init+0x3d8/0x1580 [ 5474.640974][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5474.640974][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5474.640974][ T10] ipv6_add_addr+0x411/0x2000 [ 5474.640974][ T10] inet6_addr_add+0x30e/0xa40 [ 5474.640974][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5474.640974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.640974][ T10] netlink_rcv_skb+0x130/0x360 [ 5474.640974][ T10] netlink_unicast+0x449/0x710 [ 5474.640974][ T10] netlink_sendmsg+0x723/0xbe0 [ 5474.640974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5474.640974][ T10] ___sys_sendmsg+0xee/0x170 [ 5474.640974][ T10] __sys_sendmsg+0xcd/0x170 [ 5474.640974][ T10] do_syscall_64+0xc6/0x1e0 [ 5474.640974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.640974][ T10] [ 5474.642986][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5474.642986][ T10] netdev_get_by_index+0x5e/0x80 [ 5474.642986][ T10] fib6_nh_init+0x3d8/0x1580 [ 5474.642986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5474.642986][ T10] ip6_route_add+0x1c/0x140 [ 5474.642986][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5474.642986][ T10] addrconf_add_dev+0xe2/0x170 [ 5474.642986][ T10] inet6_addr_add+0x12f/0xa40 [ 5474.642986][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5474.642986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.642986][ T10] netlink_rcv_skb+0x130/0x360 [ 5474.642986][ T10] netlink_unicast+0x449/0x710 [ 5474.642986][ T10] netlink_sendmsg+0x723/0xbe0 [ 5474.642986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5474.642986][ T10] ___sys_sendmsg+0xee/0x170 [ 5474.642986][ T10] __sys_sendmsg+0xcd/0x170 [ 5474.642986][ T10] do_syscall_64+0xc6/0x1e0 [ 5474.642986][ T10] [ 5474.644941][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5474.644941][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5474.644941][ T10] ipv6_find_idev+0x102/0x170 [ 5474.644941][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5474.644941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.644941][ T10] netlink_rcv_skb+0x130/0x360 [ 5474.644941][ T10] netlink_unicast+0x449/0x710 [ 5474.644941][ T10] netlink_sendmsg+0x723/0xbe0 [ 5474.644941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5474.644941][ T10] ___sys_sendmsg+0xee/0x170 [ 5474.644941][ T10] __sys_sendmsg+0xcd/0x170 [ 5474.644941][ T10] do_syscall_64+0xc6/0x1e0 [ 5474.644941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.644941][ T10] [ 5474.646479][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5474.646479][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5474.646479][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5474.646479][ T10] ipv6_find_idev+0x102/0x170 [ 5474.646479][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5474.646479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.646479][ T10] netlink_rcv_skb+0x130/0x360 [ 5474.646479][ T10] netlink_unicast+0x449/0x710 [ 5474.646479][ T10] netlink_sendmsg+0x723/0xbe0 [ 5474.646479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5474.646479][ T10] ___sys_sendmsg+0xee/0x170 [ 5474.646479][ T10] __sys_sendmsg+0xcd/0x170 [ 5474.646479][ T10] do_syscall_64+0xc6/0x1e0 [ 5474.646479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.646479][ T10] [ 5474.648163][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5474.648412][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5474.648412][ T10] netdev_get_by_index+0x5e/0x80 [ 5474.648412][ T10] fib6_nh_init+0x3d8/0x1580 [ 5474.648412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5474.648412][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5474.648412][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5474.648412][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5474.648412][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5474.648412][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5474.648412][ T10] addrconf_dad_begin+0x310/0x670 [ 5474.648412][ T10] addrconf_dad_work+0x10b/0xab0 [ 5474.648412][ T10] process_one_work+0x84d/0x18a0 [ 5474.648412][ T10] worker_thread+0x587/0xd30 [ 5474.648412][ T10] kthread+0x28a/0x350 [ 5474.648412][ T10] ret_from_fork+0x31/0x70 [ 5474.648412][ T10] ret_from_fork_asm+0x1a/0x30 [ 5474.648412][ T10] [ 5474.650322][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5474.650322][ T10] netdev_get_by_index+0x5e/0x80 [ 5474.650322][ T10] fib6_nh_init+0x3d8/0x1580 [ 5474.650322][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5474.650322][ T10] ip6_route_add+0x1c/0x140 [ 5474.650322][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5474.650322][ T10] inet6_addr_add+0x4f8/0xa40 [ 5474.650322][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5474.650322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.650322][ T10] netlink_rcv_skb+0x130/0x360 [ 5474.650322][ T10] netlink_unicast+0x449/0x710 [ 5474.650322][ T10] netlink_sendmsg+0x723/0xbe0 [ 5474.650322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5474.650322][ T10] ___sys_sendmsg+0xee/0x170 [ 5474.650322][ T10] __sys_sendmsg+0xcd/0x170 [ 5474.650322][ T10] do_syscall_64+0xc6/0x1e0 [ 5474.650322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.650322][ T10] [ 5474.652524][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5474.652524][ T10] netdev_get_by_index+0x5e/0x80 [ 5474.652524][ T10] fib6_nh_init+0x3d8/0x1580 [ 5474.652524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5474.652524][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5474.652524][ T10] ipv6_add_addr+0x411/0x2000 [ 5474.652524][ T10] inet6_addr_add+0x30e/0xa40 [ 5474.652524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5474.652524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.652524][ T10] netlink_rcv_skb+0x130/0x360 [ 5474.652524][ T10] netlink_unicast+0x449/0x710 [ 5474.652524][ T10] netlink_sendmsg+0x723/0xbe0 [ 5474.652524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5474.652524][ T10] ___sys_sendmsg+0xee/0x170 [ 5474.652524][ T10] __sys_sendmsg+0xcd/0x170 [ 5474.652524][ T10] do_syscall_64+0xc6/0x1e0 [ 5474.652524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.652524][ T10] [ 5474.654838][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5474.654838][ T10] netdev_get_by_index+0x5e/0x80 [ 5474.654838][ T10] fib6_nh_init+0x3d8/0x1580 [ 5474.654838][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5474.654838][ T10] ip6_route_add+0x1c/0x140 [ 5474.654838][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5474.654838][ T10] addrconf_add_dev+0xe2/0x170 [ 5474.654838][ T10] inet6_addr_add+0x12f/0xa40 [ 5474.654838][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5474.654838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.654838][ T10] netlink_rcv_skb+0x130/0x360 [ 5474.654838][ T10] netlink_unicast+0x449/0x710 [ 5474.654838][ T10] netlink_sendmsg+0x723/0xbe0 [ 5474.654838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5474.654838][ T10] ___sys_sendmsg+0xee/0x170 [ 5474.654838][ T10] __sys_sendmsg+0xcd/0x170 [ 5474.654838][ T10] do_syscall_64+0xc6/0x1e0 [ 5474.654838][ T10] [ 5474.657055][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5474.657055][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5474.657055][ T10] ipv6_find_idev+0x102/0x170 [ 5474.657055][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5474.657055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.657055][ T10] netlink_rcv_skb+0x130/0x360 [ 5474.657055][ T10] netlink_unicast+0x449/0x710 [ 5474.657055][ T10] netlink_sendmsg+0x723/0xbe0 [ 5474.657055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5474.657055][ T10] ___sys_sendmsg+0xee/0x170 [ 5474.657055][ T10] __sys_sendmsg+0xcd/0x170 [ 5474.657055][ T10] do_syscall_64+0xc6/0x1e0 [ 5474.657055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.657055][ T10] [ 5474.658791][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5474.658791][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5474.658791][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5474.658791][ T10] ipv6_find_idev+0x102/0x170 [ 5474.658791][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5474.658791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.658791][ T10] netlink_rcv_skb+0x130/0x360 [ 5474.658791][ T10] netlink_unicast+0x449/0x710 [ 5474.658791][ T10] netlink_sendmsg+0x723/0xbe0 [ 5474.658791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5474.658791][ T10] ___sys_sendmsg+0xee/0x170 [ 5474.658791][ T10] __sys_sendmsg+0xcd/0x170 [ 5474.658791][ T10] do_syscall_64+0xc6/0x1e0 [ 5474.658791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.658791][ T10] [ 5474.660598][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5474.660832][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5474.660832][ T10] netdev_get_by_index+0x5e/0x80 [ 5474.660832][ T10] fib6_nh_init+0x3d8/0x1580 [ 5474.660832][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5474.660832][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5474.660832][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5474.660832][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5474.660832][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5474.660832][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5474.660832][ T10] addrconf_dad_begin+0x310/0x670 [ 5474.660832][ T10] addrconf_dad_work+0x10b/0xab0 [ 5474.660832][ T10] process_one_work+0x84d/0x18a0 [ 5474.660832][ T10] worker_thread+0x587/0xd30 [ 5474.660832][ T10] kthread+0x28a/0x350 [ 5474.660832][ T10] ret_from_fork+0x31/0x70 [ 5474.660832][ T10] ret_from_fork_asm+0x1a/0x30 [ 5474.660832][ T10] [ 5474.663071][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5474.663071][ T10] netdev_get_by_index+0x5e/0x80 [ 5474.663071][ T10] fib6_nh_init+0x3d8/0x1580 [ 5474.663071][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5474.663071][ T10] ip6_route_add+0x1c/0x140 [ 5474.663071][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5474.663071][ T10] inet6_addr_add+0x4f8/0xa40 [ 5474.663071][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5474.663071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.663071][ T10] netlink_rcv_skb+0x130/0x360 [ 5474.663071][ T10] netlink_unicast+0x449/0x710 [ 5474.663071][ T10] netlink_sendmsg+0x723/0xbe0 [ 5474.663071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5474.663071][ T10] ___sys_sendmsg+0xee/0x170 [ 5474.663071][ T10] __sys_sendmsg+0xcd/0x170 [ 5474.663071][ T10] do_syscall_64+0xc6/0x1e0 [ 5474.663071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.663071][ T10] [ 5474.665329][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5474.665329][ T10] netdev_get_by_index+0x5e/0x80 [ 5474.665329][ T10] fib6_nh_init+0x3d8/0x1580 [ 5474.665329][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5474.665329][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5474.665329][ T10] ipv6_add_addr+0x411/0x2000 [ 5474.665329][ T10] inet6_addr_add+0x30e/0xa40 [ 5474.665329][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5474.665329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.665329][ T10] netlink_rcv_skb+0x130/0x360 [ 5474.665329][ T10] netlink_unicast+0x449/0x710 [ 5474.665329][ T10] netlink_sendmsg+0x723/0xbe0 [ 5474.665329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5474.665329][ T10] ___sys_sendmsg+0xee/0x170 [ 5474.665329][ T10] __sys_sendmsg+0xcd/0x170 [ 5474.665329][ T10] do_syscall_64+0xc6/0x1e0 [ 5474.665329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.665329][ T10] [ 5474.667563][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5474.667563][ T10] netdev_get_by_index+0x5e/0x80 [ 5474.667563][ T10] fib6_nh_init+0x3d8/0x1580 [ 5474.667563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5474.667563][ T10] ip6_route_add+0x1c/0x140 [ 5474.667563][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5474.667563][ T10] addrconf_add_dev+0xe2/0x170 [ 5474.667563][ T10] inet6_addr_add+0x12f/0xa40 [ 5474.667563][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5474.667563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.667563][ T10] netlink_rcv_skb+0x130/0x360 [ 5474.667563][ T10] netlink_unicast+0x449/0x710 [ 5474.667563][ T10] netlink_sendmsg+0x723/0xbe0 [ 5474.667563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5474.667563][ T10] ___sys_sendmsg+0xee/0x170 [ 5474.667563][ T10] __sys_sendmsg+0xcd/0x170 [ 5474.667563][ T10] do_syscall_64+0xc6/0x1e0 [ 5474.667563][ T10] [ 5474.669728][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5474.669728][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5474.669728][ T10] ipv6_find_idev+0x102/0x170 [ 5474.669728][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5474.669728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.669728][ T10] netlink_rcv_skb+0x130/0x360 [ 5474.669728][ T10] netlink_unicast+0x449/0x710 [ 5474.669728][ T10] netlink_sendmsg+0x723/0xbe0 [ 5474.669728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5474.669728][ T10] ___sys_sendmsg+0xee/0x170 [ 5474.669728][ T10] __sys_sendmsg+0xcd/0x170 [ 5474.669728][ T10] do_syscall_64+0xc6/0x1e0 [ 5474.669728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.669728][ T10] [ 5474.671453][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5474.671453][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5474.671453][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5474.671453][ T10] ipv6_find_idev+0x102/0x170 [ 5474.671453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5474.671453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5474.671453][ T10] netlink_rcv_skb+0x130/0x360 [ 5474.671453][ T10] netlink_unicast+0x449/0x710 [ 5474.671453][ T10] netlink_sendmsg+0x723/0xbe0 [ 5474.671453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5474.671453][ T10] ___sys_sendmsg+0xee/0x170 [ 5474.671453][ T10] __sys_sendmsg+0xcd/0x170 [ 5474.671453][ T10] do_syscall_64+0xc6/0x1e0 [ 5474.671453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5474.671453][ T10] [ 5476.673103][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5476.673600][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5476.673600][ T1167] dst_init+0x84/0x4a0 [ 5476.673600][ T1167] dst_alloc+0x97/0x150 [ 5476.673600][ T1167] ip6_dst_alloc+0x23/0x90 [ 5476.673600][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5476.673600][ T1167] ip6_pol_route+0x56f/0x840 [ 5476.673600][ T1167] fib6_rule_lookup+0x334/0x630 [ 5476.673600][ T1167] ip6_route_output_flags+0x259/0x480 [ 5476.673600][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5476.673600][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5476.673600][ T1167] netlink_rcv_skb+0x130/0x360 [ 5476.673600][ T1167] netlink_unicast+0x449/0x710 [ 5476.673600][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5476.673600][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5476.673600][ T1167] ___sys_sendmsg+0xee/0x170 [ 5476.673600][ T1167] __sys_sendmsg+0xcd/0x170 [ 5476.673600][ T1167] do_syscall_64+0xc6/0x1e0 [ 5476.673600][ T1167] [ 5476.675859][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5476.675859][ T1167] netdev_get_by_index+0x5e/0x80 [ 5476.675859][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5476.675859][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5476.675859][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5476.675859][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5476.675859][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5476.675859][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5476.675859][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5476.675859][ T1167] addrconf_dad_begin+0x310/0x670 [ 5476.675859][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5476.675859][ T1167] process_one_work+0x84d/0x18a0 [ 5476.675859][ T1167] worker_thread+0x587/0xd30 [ 5476.675859][ T1167] kthread+0x28a/0x350 [ 5476.675859][ T1167] ret_from_fork+0x31/0x70 [ 5476.675859][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5476.675859][ T1167] [ 5476.678046][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5476.678046][ T1167] netdev_get_by_index+0x5e/0x80 [ 5476.678046][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5476.678046][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5476.678046][ T1167] ip6_route_add+0x1c/0x140 [ 5476.678046][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5476.678046][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5476.678046][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5476.678046][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5476.678046][ T1167] netlink_rcv_skb+0x130/0x360 [ 5476.678046][ T1167] netlink_unicast+0x449/0x710 [ 5476.678046][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5476.678046][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5476.678046][ T1167] ___sys_sendmsg+0xee/0x170 [ 5476.678046][ T1167] __sys_sendmsg+0xcd/0x170 [ 5476.678046][ T1167] do_syscall_64+0xc6/0x1e0 [ 5476.678046][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5476.678046][ T1167] [ 5476.680334][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5476.680334][ T1167] netdev_get_by_index+0x5e/0x80 [ 5476.680334][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5476.680334][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5476.680334][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5476.680334][ T1167] ipv6_add_addr+0x411/0x2000 [ 5476.680334][ T1167] inet6_addr_add+0x30e/0xa40 [ 5476.680334][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5476.680334][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5476.680334][ T1167] netlink_rcv_skb+0x130/0x360 [ 5476.680334][ T1167] netlink_unicast+0x449/0x710 [ 5476.680334][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5476.680334][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5476.680334][ T1167] ___sys_sendmsg+0xee/0x170 [ 5476.680334][ T1167] __sys_sendmsg+0xcd/0x170 [ 5476.680334][ T1167] do_syscall_64+0xc6/0x1e0 [ 5476.680334][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5476.680334][ T1167] [ 5476.682639][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5476.682639][ T1167] netdev_get_by_index+0x5e/0x80 [ 5476.682639][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5476.682639][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5476.682639][ T1167] ip6_route_add+0x1c/0x140 [ 5476.682639][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5476.682639][ T1167] addrconf_add_dev+0xe2/0x170 [ 5476.682639][ T1167] inet6_addr_add+0x12f/0xa40 [ 5476.682639][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5476.682639][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5476.682639][ T1167] netlink_rcv_skb+0x130/0x360 [ 5476.682639][ T1167] netlink_unicast+0x449/0x710 [ 5476.682639][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5476.682639][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5476.682639][ T1167] ___sys_sendmsg+0xee/0x170 [ 5476.682639][ T1167] __sys_sendmsg+0xcd/0x170 [ 5476.682639][ T1167] do_syscall_64+0xc6/0x1e0 [ 5476.682639][ T1167] [ 5476.684888][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5476.684888][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5476.684888][ T1167] ipv6_find_idev+0x102/0x170 [ 5476.684888][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5476.684888][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5476.684888][ T1167] netlink_rcv_skb+0x130/0x360 [ 5476.684888][ T1167] netlink_unicast+0x449/0x710 [ 5476.684888][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5476.684888][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5476.684888][ T1167] ___sys_sendmsg+0xee/0x170 [ 5476.684888][ T1167] __sys_sendmsg+0xcd/0x170 [ 5476.684888][ T1167] do_syscall_64+0xc6/0x1e0 [ 5476.684888][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5476.684888][ T1167] [ 5476.686645][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5476.686645][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5476.686645][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5476.686645][ T1167] ipv6_find_idev+0x102/0x170 [ 5476.686645][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5476.686645][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5476.686645][ T1167] netlink_rcv_skb+0x130/0x360 [ 5476.686645][ T1167] netlink_unicast+0x449/0x710 [ 5476.686645][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5476.686645][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5476.686645][ T1167] ___sys_sendmsg+0xee/0x170 [ 5476.686645][ T1167] __sys_sendmsg+0xcd/0x170 [ 5476.686645][ T1167] do_syscall_64+0xc6/0x1e0 [ 5476.686645][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5476.686645][ T1167] [ 5484.769107][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5484.769520][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5484.769520][ T10] netdev_get_by_index+0x5e/0x80 [ 5484.769520][ T10] fib6_nh_init+0x3d8/0x1580 [ 5484.769520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5484.769520][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5484.769520][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5484.769520][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5484.769520][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5484.769520][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5484.769520][ T10] addrconf_dad_begin+0x310/0x670 [ 5484.769520][ T10] addrconf_dad_work+0x10b/0xab0 [ 5484.769520][ T10] process_one_work+0x84d/0x18a0 [ 5484.769520][ T10] worker_thread+0x587/0xd30 [ 5484.769520][ T10] kthread+0x28a/0x350 [ 5484.769520][ T10] ret_from_fork+0x31/0x70 [ 5484.769520][ T10] ret_from_fork_asm+0x1a/0x30 [ 5484.769520][ T10] [ 5484.771503][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5484.771503][ T10] netdev_get_by_index+0x5e/0x80 [ 5484.771503][ T10] fib6_nh_init+0x3d8/0x1580 [ 5484.771503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5484.771503][ T10] ip6_route_add+0x1c/0x140 [ 5484.771503][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5484.771503][ T10] inet6_addr_add+0x4f8/0xa40 [ 5484.771503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5484.771503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.771503][ T10] netlink_rcv_skb+0x130/0x360 [ 5484.771503][ T10] netlink_unicast+0x449/0x710 [ 5484.771503][ T10] netlink_sendmsg+0x723/0xbe0 [ 5484.771503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5484.771503][ T10] ___sys_sendmsg+0xee/0x170 [ 5484.771503][ T10] __sys_sendmsg+0xcd/0x170 [ 5484.771503][ T10] do_syscall_64+0xc6/0x1e0 [ 5484.771503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.771503][ T10] [ 5484.773549][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5484.773549][ T10] netdev_get_by_index+0x5e/0x80 [ 5484.773549][ T10] fib6_nh_init+0x3d8/0x1580 [ 5484.773549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5484.773549][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5484.773549][ T10] ipv6_add_addr+0x411/0x2000 [ 5484.773549][ T10] inet6_addr_add+0x30e/0xa40 [ 5484.773549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5484.773549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.773549][ T10] netlink_rcv_skb+0x130/0x360 [ 5484.773549][ T10] netlink_unicast+0x449/0x710 [ 5484.773549][ T10] netlink_sendmsg+0x723/0xbe0 [ 5484.773549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5484.773549][ T10] ___sys_sendmsg+0xee/0x170 [ 5484.773549][ T10] __sys_sendmsg+0xcd/0x170 [ 5484.773549][ T10] do_syscall_64+0xc6/0x1e0 [ 5484.773549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.773549][ T10] [ 5484.775576][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5484.775576][ T10] netdev_get_by_index+0x5e/0x80 [ 5484.775576][ T10] fib6_nh_init+0x3d8/0x1580 [ 5484.775576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5484.775576][ T10] ip6_route_add+0x1c/0x140 [ 5484.775576][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5484.775576][ T10] addrconf_add_dev+0xe2/0x170 [ 5484.775576][ T10] inet6_addr_add+0x12f/0xa40 [ 5484.775576][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5484.775576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.775576][ T10] netlink_rcv_skb+0x130/0x360 [ 5484.775576][ T10] netlink_unicast+0x449/0x710 [ 5484.775576][ T10] netlink_sendmsg+0x723/0xbe0 [ 5484.775576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5484.775576][ T10] ___sys_sendmsg+0xee/0x170 [ 5484.775576][ T10] __sys_sendmsg+0xcd/0x170 [ 5484.775576][ T10] do_syscall_64+0xc6/0x1e0 [ 5484.775576][ T10] [ 5484.777534][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5484.777534][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5484.777534][ T10] ipv6_find_idev+0x102/0x170 [ 5484.777534][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5484.777534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.777534][ T10] netlink_rcv_skb+0x130/0x360 [ 5484.777534][ T10] netlink_unicast+0x449/0x710 [ 5484.777534][ T10] netlink_sendmsg+0x723/0xbe0 [ 5484.777534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5484.777534][ T10] ___sys_sendmsg+0xee/0x170 [ 5484.777534][ T10] __sys_sendmsg+0xcd/0x170 [ 5484.777534][ T10] do_syscall_64+0xc6/0x1e0 [ 5484.777534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.777534][ T10] [ 5484.779075][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5484.779075][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5484.779075][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5484.779075][ T10] ipv6_find_idev+0x102/0x170 [ 5484.779075][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5484.779075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.779075][ T10] netlink_rcv_skb+0x130/0x360 [ 5484.779075][ T10] netlink_unicast+0x449/0x710 [ 5484.779075][ T10] netlink_sendmsg+0x723/0xbe0 [ 5484.779075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5484.779075][ T10] ___sys_sendmsg+0xee/0x170 [ 5484.779075][ T10] __sys_sendmsg+0xcd/0x170 [ 5484.779075][ T10] do_syscall_64+0xc6/0x1e0 [ 5484.779075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.779075][ T10] [ 5484.780794][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5484.781040][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5484.781040][ T10] netdev_get_by_index+0x5e/0x80 [ 5484.781040][ T10] fib6_nh_init+0x3d8/0x1580 [ 5484.781040][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5484.781040][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5484.781040][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5484.781040][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5484.781040][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5484.781040][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5484.781040][ T10] addrconf_dad_begin+0x310/0x670 [ 5484.781040][ T10] addrconf_dad_work+0x10b/0xab0 [ 5484.781040][ T10] process_one_work+0x84d/0x18a0 [ 5484.781040][ T10] worker_thread+0x587/0xd30 [ 5484.781040][ T10] kthread+0x28a/0x350 [ 5484.781040][ T10] ret_from_fork+0x31/0x70 [ 5484.781040][ T10] ret_from_fork_asm+0x1a/0x30 [ 5484.781040][ T10] [ 5484.782975][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5484.782975][ T10] netdev_get_by_index+0x5e/0x80 [ 5484.782975][ T10] fib6_nh_init+0x3d8/0x1580 [ 5484.782975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5484.782975][ T10] ip6_route_add+0x1c/0x140 [ 5484.782975][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5484.782975][ T10] inet6_addr_add+0x4f8/0xa40 [ 5484.782975][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5484.782975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.782975][ T10] netlink_rcv_skb+0x130/0x360 [ 5484.782975][ T10] netlink_unicast+0x449/0x710 [ 5484.782975][ T10] netlink_sendmsg+0x723/0xbe0 [ 5484.782975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5484.782975][ T10] ___sys_sendmsg+0xee/0x170 [ 5484.782975][ T10] __sys_sendmsg+0xcd/0x170 [ 5484.782975][ T10] do_syscall_64+0xc6/0x1e0 [ 5484.782975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.782975][ T10] [ 5484.784983][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5484.784983][ T10] netdev_get_by_index+0x5e/0x80 [ 5484.784983][ T10] fib6_nh_init+0x3d8/0x1580 [ 5484.784983][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5484.784983][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5484.784983][ T10] ipv6_add_addr+0x411/0x2000 [ 5484.784983][ T10] inet6_addr_add+0x30e/0xa40 [ 5484.784983][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5484.784983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.784983][ T10] netlink_rcv_skb+0x130/0x360 [ 5484.784983][ T10] netlink_unicast+0x449/0x710 [ 5484.784983][ T10] netlink_sendmsg+0x723/0xbe0 [ 5484.784983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5484.784983][ T10] ___sys_sendmsg+0xee/0x170 [ 5484.784983][ T10] __sys_sendmsg+0xcd/0x170 [ 5484.784983][ T10] do_syscall_64+0xc6/0x1e0 [ 5484.784983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.784983][ T10] [ 5484.787003][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5484.787003][ T10] netdev_get_by_index+0x5e/0x80 [ 5484.787003][ T10] fib6_nh_init+0x3d8/0x1580 [ 5484.787003][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5484.787003][ T10] ip6_route_add+0x1c/0x140 [ 5484.787003][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5484.787003][ T10] addrconf_add_dev+0xe2/0x170 [ 5484.787003][ T10] inet6_addr_add+0x12f/0xa40 [ 5484.787003][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5484.787003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.787003][ T10] netlink_rcv_skb+0x130/0x360 [ 5484.787003][ T10] netlink_unicast+0x449/0x710 [ 5484.787003][ T10] netlink_sendmsg+0x723/0xbe0 [ 5484.787003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5484.787003][ T10] ___sys_sendmsg+0xee/0x170 [ 5484.787003][ T10] __sys_sendmsg+0xcd/0x170 [ 5484.787003][ T10] do_syscall_64+0xc6/0x1e0 [ 5484.787003][ T10] [ 5484.788978][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5484.788978][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5484.788978][ T10] ipv6_find_idev+0x102/0x170 [ 5484.788978][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5484.788978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.788978][ T10] netlink_rcv_skb+0x130/0x360 [ 5484.788978][ T10] netlink_unicast+0x449/0x710 [ 5484.788978][ T10] netlink_sendmsg+0x723/0xbe0 [ 5484.788978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5484.788978][ T10] ___sys_sendmsg+0xee/0x170 [ 5484.788978][ T10] __sys_sendmsg+0xcd/0x170 [ 5484.788978][ T10] do_syscall_64+0xc6/0x1e0 [ 5484.788978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.788978][ T10] [ 5484.790528][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5484.790528][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5484.790528][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5484.790528][ T10] ipv6_find_idev+0x102/0x170 [ 5484.790528][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5484.790528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.790528][ T10] netlink_rcv_skb+0x130/0x360 [ 5484.790528][ T10] netlink_unicast+0x449/0x710 [ 5484.790528][ T10] netlink_sendmsg+0x723/0xbe0 [ 5484.790528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5484.790528][ T10] ___sys_sendmsg+0xee/0x170 [ 5484.790528][ T10] __sys_sendmsg+0xcd/0x170 [ 5484.790528][ T10] do_syscall_64+0xc6/0x1e0 [ 5484.790528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.790528][ T10] [ 5484.792249][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5484.792502][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5484.792502][ T10] netdev_get_by_index+0x5e/0x80 [ 5484.792502][ T10] fib6_nh_init+0x3d8/0x1580 [ 5484.792502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5484.792502][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5484.792502][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5484.792502][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5484.792502][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5484.792502][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5484.792502][ T10] addrconf_dad_begin+0x310/0x670 [ 5484.792502][ T10] addrconf_dad_work+0x10b/0xab0 [ 5484.792502][ T10] process_one_work+0x84d/0x18a0 [ 5484.792502][ T10] worker_thread+0x587/0xd30 [ 5484.792502][ T10] kthread+0x28a/0x350 [ 5484.792502][ T10] ret_from_fork+0x31/0x70 [ 5484.792502][ T10] ret_from_fork_asm+0x1a/0x30 [ 5484.792502][ T10] [ 5484.794413][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5484.794413][ T10] netdev_get_by_index+0x5e/0x80 [ 5484.794413][ T10] fib6_nh_init+0x3d8/0x1580 [ 5484.794413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5484.794413][ T10] ip6_route_add+0x1c/0x140 [ 5484.794413][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5484.794413][ T10] inet6_addr_add+0x4f8/0xa40 [ 5484.794413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5484.794413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.794413][ T10] netlink_rcv_skb+0x130/0x360 [ 5484.794413][ T10] netlink_unicast+0x449/0x710 [ 5484.794413][ T10] netlink_sendmsg+0x723/0xbe0 [ 5484.794413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5484.794413][ T10] ___sys_sendmsg+0xee/0x170 [ 5484.794413][ T10] __sys_sendmsg+0xcd/0x170 [ 5484.794413][ T10] do_syscall_64+0xc6/0x1e0 [ 5484.794413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.794413][ T10] [ 5484.796617][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5484.796617][ T10] netdev_get_by_index+0x5e/0x80 [ 5484.796617][ T10] fib6_nh_init+0x3d8/0x1580 [ 5484.796617][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5484.796617][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5484.796617][ T10] ipv6_add_addr+0x411/0x2000 [ 5484.796617][ T10] inet6_addr_add+0x30e/0xa40 [ 5484.796617][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5484.796617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.796617][ T10] netlink_rcv_skb+0x130/0x360 [ 5484.796617][ T10] netlink_unicast+0x449/0x710 [ 5484.796617][ T10] netlink_sendmsg+0x723/0xbe0 [ 5484.796617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5484.796617][ T10] ___sys_sendmsg+0xee/0x170 [ 5484.796617][ T10] __sys_sendmsg+0xcd/0x170 [ 5484.796617][ T10] do_syscall_64+0xc6/0x1e0 [ 5484.796617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.796617][ T10] [ 5484.798872][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5484.798872][ T10] netdev_get_by_index+0x5e/0x80 [ 5484.798872][ T10] fib6_nh_init+0x3d8/0x1580 [ 5484.798872][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5484.798872][ T10] ip6_route_add+0x1c/0x140 [ 5484.798872][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5484.798872][ T10] addrconf_add_dev+0xe2/0x170 [ 5484.798872][ T10] inet6_addr_add+0x12f/0xa40 [ 5484.798872][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5484.798872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.798872][ T10] netlink_rcv_skb+0x130/0x360 [ 5484.798872][ T10] netlink_unicast+0x449/0x710 [ 5484.798872][ T10] netlink_sendmsg+0x723/0xbe0 [ 5484.798872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5484.798872][ T10] ___sys_sendmsg+0xee/0x170 [ 5484.798872][ T10] __sys_sendmsg+0xcd/0x170 [ 5484.798872][ T10] do_syscall_64+0xc6/0x1e0 [ 5484.798872][ T10] [ 5484.801073][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5484.801073][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5484.801073][ T10] ipv6_find_idev+0x102/0x170 [ 5484.801073][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5484.801073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.801073][ T10] netlink_rcv_skb+0x130/0x360 [ 5484.801073][ T10] netlink_unicast+0x449/0x710 [ 5484.801073][ T10] netlink_sendmsg+0x723/0xbe0 [ 5484.801073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5484.801073][ T10] ___sys_sendmsg+0xee/0x170 [ 5484.801073][ T10] __sys_sendmsg+0xcd/0x170 [ 5484.801073][ T10] do_syscall_64+0xc6/0x1e0 [ 5484.801073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.801073][ T10] [ 5484.802805][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5484.802805][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5484.802805][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5484.802805][ T10] ipv6_find_idev+0x102/0x170 [ 5484.802805][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5484.802805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.802805][ T10] netlink_rcv_skb+0x130/0x360 [ 5484.802805][ T10] netlink_unicast+0x449/0x710 [ 5484.802805][ T10] netlink_sendmsg+0x723/0xbe0 [ 5484.802805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5484.802805][ T10] ___sys_sendmsg+0xee/0x170 [ 5484.802805][ T10] __sys_sendmsg+0xcd/0x170 [ 5484.802805][ T10] do_syscall_64+0xc6/0x1e0 [ 5484.802805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.802805][ T10] [ 5484.804738][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5484.804981][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5484.804981][ T10] netdev_get_by_index+0x5e/0x80 [ 5484.804981][ T10] fib6_nh_init+0x3d8/0x1580 [ 5484.804981][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5484.804981][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5484.804981][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5484.804981][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5484.804981][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5484.804981][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5484.804981][ T10] addrconf_dad_begin+0x310/0x670 [ 5484.804981][ T10] addrconf_dad_work+0x10b/0xab0 [ 5484.804981][ T10] process_one_work+0x84d/0x18a0 [ 5484.804981][ T10] worker_thread+0x587/0xd30 [ 5484.804981][ T10] kthread+0x28a/0x350 [ 5484.804981][ T10] ret_from_fork+0x31/0x70 [ 5484.804981][ T10] ret_from_fork_asm+0x1a/0x30 [ 5484.804981][ T10] [ 5484.807132][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5484.807132][ T10] netdev_get_by_index+0x5e/0x80 [ 5484.807132][ T10] fib6_nh_init+0x3d8/0x1580 [ 5484.807132][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5484.807132][ T10] ip6_route_add+0x1c/0x140 [ 5484.807132][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5484.807132][ T10] inet6_addr_add+0x4f8/0xa40 [ 5484.807132][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5484.807132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.807132][ T10] netlink_rcv_skb+0x130/0x360 [ 5484.807132][ T10] netlink_unicast+0x449/0x710 [ 5484.807132][ T10] netlink_sendmsg+0x723/0xbe0 [ 5484.807132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5484.807132][ T10] ___sys_sendmsg+0xee/0x170 [ 5484.807132][ T10] __sys_sendmsg+0xcd/0x170 [ 5484.807132][ T10] do_syscall_64+0xc6/0x1e0 [ 5484.807132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.807132][ T10] [ 5484.809372][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5484.809372][ T10] netdev_get_by_index+0x5e/0x80 [ 5484.809372][ T10] fib6_nh_init+0x3d8/0x1580 [ 5484.809372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5484.809372][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5484.809372][ T10] ipv6_add_addr+0x411/0x2000 [ 5484.809372][ T10] inet6_addr_add+0x30e/0xa40 [ 5484.809372][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5484.809372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.809372][ T10] netlink_rcv_skb+0x130/0x360 [ 5484.809372][ T10] netlink_unicast+0x449/0x710 [ 5484.809372][ T10] netlink_sendmsg+0x723/0xbe0 [ 5484.809372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5484.809372][ T10] ___sys_sendmsg+0xee/0x170 [ 5484.809372][ T10] __sys_sendmsg+0xcd/0x170 [ 5484.809372][ T10] do_syscall_64+0xc6/0x1e0 [ 5484.809372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.809372][ T10] [ 5484.811610][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5484.811610][ T10] netdev_get_by_index+0x5e/0x80 [ 5484.811610][ T10] fib6_nh_init+0x3d8/0x1580 [ 5484.811610][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5484.811610][ T10] ip6_route_add+0x1c/0x140 [ 5484.811610][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5484.811610][ T10] addrconf_add_dev+0xe2/0x170 [ 5484.811610][ T10] inet6_addr_add+0x12f/0xa40 [ 5484.811610][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5484.811610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.811610][ T10] netlink_rcv_skb+0x130/0x360 [ 5484.811610][ T10] netlink_unicast+0x449/0x710 [ 5484.811610][ T10] netlink_sendmsg+0x723/0xbe0 [ 5484.811610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5484.811610][ T10] ___sys_sendmsg+0xee/0x170 [ 5484.811610][ T10] __sys_sendmsg+0xcd/0x170 [ 5484.811610][ T10] do_syscall_64+0xc6/0x1e0 [ 5484.811610][ T10] [ 5484.813764][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5484.813764][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5484.813764][ T10] ipv6_find_idev+0x102/0x170 [ 5484.813764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5484.813764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.813764][ T10] netlink_rcv_skb+0x130/0x360 [ 5484.813764][ T10] netlink_unicast+0x449/0x710 [ 5484.813764][ T10] netlink_sendmsg+0x723/0xbe0 [ 5484.813764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5484.813764][ T10] ___sys_sendmsg+0xee/0x170 [ 5484.813764][ T10] __sys_sendmsg+0xcd/0x170 [ 5484.813764][ T10] do_syscall_64+0xc6/0x1e0 [ 5484.813764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.813764][ T10] [ 5484.815545][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5484.815545][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5484.815545][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5484.815545][ T10] ipv6_find_idev+0x102/0x170 [ 5484.815545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5484.815545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5484.815545][ T10] netlink_rcv_skb+0x130/0x360 [ 5484.815545][ T10] netlink_unicast+0x449/0x710 [ 5484.815545][ T10] netlink_sendmsg+0x723/0xbe0 [ 5484.815545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5484.815545][ T10] ___sys_sendmsg+0xee/0x170 [ 5484.815545][ T10] __sys_sendmsg+0xcd/0x170 [ 5484.815545][ T10] do_syscall_64+0xc6/0x1e0 [ 5484.815545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5484.815545][ T10] [ 5486.849145][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5486.849551][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5486.849551][ T1167] dst_init+0x84/0x4a0 [ 5486.849551][ T1167] dst_alloc+0x97/0x150 [ 5486.849551][ T1167] ip6_dst_alloc+0x23/0x90 [ 5486.849551][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5486.849551][ T1167] ip6_pol_route+0x56f/0x840 [ 5486.849551][ T1167] fib6_rule_lookup+0x334/0x630 [ 5486.849551][ T1167] ip6_route_output_flags+0x259/0x480 [ 5486.849551][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5486.849551][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5486.849551][ T1167] netlink_rcv_skb+0x130/0x360 [ 5486.849551][ T1167] netlink_unicast+0x449/0x710 [ 5486.849551][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5486.849551][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5486.849551][ T1167] ___sys_sendmsg+0xee/0x170 [ 5486.849551][ T1167] __sys_sendmsg+0xcd/0x170 [ 5486.849551][ T1167] do_syscall_64+0xc6/0x1e0 [ 5486.849551][ T1167] [ 5486.851774][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5486.851774][ T1167] netdev_get_by_index+0x5e/0x80 [ 5486.851774][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5486.851774][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5486.851774][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5486.851774][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5486.851774][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5486.851774][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5486.851774][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5486.851774][ T1167] addrconf_dad_begin+0x310/0x670 [ 5486.851774][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5486.851774][ T1167] process_one_work+0x84d/0x18a0 [ 5486.851774][ T1167] worker_thread+0x587/0xd30 [ 5486.851774][ T1167] kthread+0x28a/0x350 [ 5486.851774][ T1167] ret_from_fork+0x31/0x70 [ 5486.851774][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5486.851774][ T1167] [ 5486.853964][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5486.853964][ T1167] netdev_get_by_index+0x5e/0x80 [ 5486.853964][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5486.853964][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5486.853964][ T1167] ip6_route_add+0x1c/0x140 [ 5486.853964][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5486.853964][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5486.853964][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5486.853964][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5486.853964][ T1167] netlink_rcv_skb+0x130/0x360 [ 5486.853964][ T1167] netlink_unicast+0x449/0x710 [ 5486.853964][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5486.853964][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5486.853964][ T1167] ___sys_sendmsg+0xee/0x170 [ 5486.853964][ T1167] __sys_sendmsg+0xcd/0x170 [ 5486.853964][ T1167] do_syscall_64+0xc6/0x1e0 [ 5486.853964][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5486.853964][ T1167] [ 5486.856233][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5486.856233][ T1167] netdev_get_by_index+0x5e/0x80 [ 5486.856233][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5486.856233][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5486.856233][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5486.856233][ T1167] ipv6_add_addr+0x411/0x2000 [ 5486.856233][ T1167] inet6_addr_add+0x30e/0xa40 [ 5486.856233][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5486.856233][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5486.856233][ T1167] netlink_rcv_skb+0x130/0x360 [ 5486.856233][ T1167] netlink_unicast+0x449/0x710 [ 5486.856233][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5486.856233][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5486.856233][ T1167] ___sys_sendmsg+0xee/0x170 [ 5486.856233][ T1167] __sys_sendmsg+0xcd/0x170 [ 5486.856233][ T1167] do_syscall_64+0xc6/0x1e0 [ 5486.856233][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5486.856233][ T1167] [ 5486.858493][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5486.858493][ T1167] netdev_get_by_index+0x5e/0x80 [ 5486.858493][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5486.858493][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5486.858493][ T1167] ip6_route_add+0x1c/0x140 [ 5486.858493][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5486.858493][ T1167] addrconf_add_dev+0xe2/0x170 [ 5486.858493][ T1167] inet6_addr_add+0x12f/0xa40 [ 5486.858493][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5486.858493][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5486.858493][ T1167] netlink_rcv_skb+0x130/0x360 [ 5486.858493][ T1167] netlink_unicast+0x449/0x710 [ 5486.858493][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5486.858493][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5486.858493][ T1167] ___sys_sendmsg+0xee/0x170 [ 5486.858493][ T1167] __sys_sendmsg+0xcd/0x170 [ 5486.858493][ T1167] do_syscall_64+0xc6/0x1e0 [ 5486.858493][ T1167] [ 5486.860704][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5486.860704][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5486.860704][ T1167] ipv6_find_idev+0x102/0x170 [ 5486.860704][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5486.860704][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5486.860704][ T1167] netlink_rcv_skb+0x130/0x360 [ 5486.860704][ T1167] netlink_unicast+0x449/0x710 [ 5486.860704][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5486.860704][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5486.860704][ T1167] ___sys_sendmsg+0xee/0x170 [ 5486.860704][ T1167] __sys_sendmsg+0xcd/0x170 [ 5486.860704][ T1167] do_syscall_64+0xc6/0x1e0 [ 5486.860704][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5486.860704][ T1167] [ 5486.862457][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5486.862457][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5486.862457][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5486.862457][ T1167] ipv6_find_idev+0x102/0x170 [ 5486.862457][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5486.862457][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5486.862457][ T1167] netlink_rcv_skb+0x130/0x360 [ 5486.862457][ T1167] netlink_unicast+0x449/0x710 [ 5486.862457][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5486.862457][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5486.862457][ T1167] ___sys_sendmsg+0xee/0x170 [ 5486.862457][ T1167] __sys_sendmsg+0xcd/0x170 [ 5486.862457][ T1167] do_syscall_64+0xc6/0x1e0 [ 5486.862457][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5486.862457][ T1167] [ 5495.041115][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5495.041539][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5495.041539][ T10] netdev_get_by_index+0x5e/0x80 [ 5495.041539][ T10] fib6_nh_init+0x3d8/0x1580 [ 5495.041539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5495.041539][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5495.041539][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5495.041539][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5495.041539][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5495.041539][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5495.041539][ T10] addrconf_dad_begin+0x310/0x670 [ 5495.041539][ T10] addrconf_dad_work+0x10b/0xab0 [ 5495.041539][ T10] process_one_work+0x84d/0x18a0 [ 5495.041539][ T10] worker_thread+0x587/0xd30 [ 5495.041539][ T10] kthread+0x28a/0x350 [ 5495.041539][ T10] ret_from_fork+0x31/0x70 [ 5495.041539][ T10] ret_from_fork_asm+0x1a/0x30 [ 5495.041539][ T10] [ 5495.043490][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5495.043490][ T10] netdev_get_by_index+0x5e/0x80 [ 5495.043490][ T10] fib6_nh_init+0x3d8/0x1580 [ 5495.043490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5495.043490][ T10] ip6_route_add+0x1c/0x140 [ 5495.043490][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5495.043490][ T10] inet6_addr_add+0x4f8/0xa40 [ 5495.043490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5495.043490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5495.043490][ T10] netlink_rcv_skb+0x130/0x360 [ 5495.043490][ T10] netlink_unicast+0x449/0x710 [ 5495.043490][ T10] netlink_sendmsg+0x723/0xbe0 [ 5495.043490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5495.043490][ T10] ___sys_sendmsg+0xee/0x170 [ 5495.043490][ T10] __sys_sendmsg+0xcd/0x170 [ 5495.043490][ T10] do_syscall_64+0xc6/0x1e0 [ 5495.043490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5495.043490][ T10] [ 5495.045502][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5495.045502][ T10] netdev_get_by_index+0x5e/0x80 [ 5495.045502][ T10] fib6_nh_init+0x3d8/0x1580 [ 5495.045502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5495.045502][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5495.045502][ T10] ipv6_add_addr+0x411/0x2000 [ 5495.045502][ T10] inet6_addr_add+0x30e/0xa40 [ 5495.045502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5495.045502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5495.045502][ T10] netlink_rcv_skb+0x130/0x360 [ 5495.045502][ T10] netlink_unicast+0x449/0x710 [ 5495.045502][ T10] netlink_sendmsg+0x723/0xbe0 [ 5495.045502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5495.045502][ T10] ___sys_sendmsg+0xee/0x170 [ 5495.045502][ T10] __sys_sendmsg+0xcd/0x170 [ 5495.045502][ T10] do_syscall_64+0xc6/0x1e0 [ 5495.045502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5495.045502][ T10] [ 5495.047516][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5495.047516][ T10] netdev_get_by_index+0x5e/0x80 [ 5495.047516][ T10] fib6_nh_init+0x3d8/0x1580 [ 5495.047516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5495.047516][ T10] ip6_route_add+0x1c/0x140 [ 5495.047516][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5495.047516][ T10] addrconf_add_dev+0xe2/0x170 [ 5495.047516][ T10] inet6_addr_add+0x12f/0xa40 [ 5495.047516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5495.047516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5495.047516][ T10] netlink_rcv_skb+0x130/0x360 [ 5495.047516][ T10] netlink_unicast+0x449/0x710 [ 5495.047516][ T10] netlink_sendmsg+0x723/0xbe0 [ 5495.047516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5495.047516][ T10] ___sys_sendmsg+0xee/0x170 [ 5495.047516][ T10] __sys_sendmsg+0xcd/0x170 [ 5495.047516][ T10] do_syscall_64+0xc6/0x1e0 [ 5495.047516][ T10] [ 5495.049485][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5495.049485][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5495.049485][ T10] ipv6_find_idev+0x102/0x170 [ 5495.049485][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5495.049485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5495.049485][ T10] netlink_rcv_skb+0x130/0x360 [ 5495.049485][ T10] netlink_unicast+0x449/0x710 [ 5495.049485][ T10] netlink_sendmsg+0x723/0xbe0 [ 5495.049485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5495.049485][ T10] ___sys_sendmsg+0xee/0x170 [ 5495.049485][ T10] __sys_sendmsg+0xcd/0x170 [ 5495.049485][ T10] do_syscall_64+0xc6/0x1e0 [ 5495.049485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5495.049485][ T10] [ 5495.051026][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5495.051026][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5495.051026][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5495.051026][ T10] ipv6_find_idev+0x102/0x170 [ 5495.051026][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5495.051026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5495.051026][ T10] netlink_rcv_skb+0x130/0x360 [ 5495.051026][ T10] netlink_unicast+0x449/0x710 [ 5495.051026][ T10] netlink_sendmsg+0x723/0xbe0 [ 5495.051026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5495.051026][ T10] ___sys_sendmsg+0xee/0x170 [ 5495.051026][ T10] __sys_sendmsg+0xcd/0x170 [ 5495.051026][ T10] do_syscall_64+0xc6/0x1e0 [ 5495.051026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5495.051026][ T10] [ 5495.052748][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5495.053033][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5495.053033][ T10] netdev_get_by_index+0x5e/0x80 [ 5495.053033][ T10] fib6_nh_init+0x3d8/0x1580 [ 5495.053033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5495.053033][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5495.053033][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5495.053033][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5495.053033][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5495.053033][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5495.053033][ T10] addrconf_dad_begin+0x310/0x670 [ 5495.053033][ T10] addrconf_dad_work+0x10b/0xab0 [ 5495.053033][ T10] process_one_work+0x84d/0x18a0 [ 5495.053033][ T10] worker_thread+0x587/0xd30 [ 5495.053033][ T10] kthread+0x28a/0x350 [ 5495.053033][ T10] ret_from_fork+0x31/0x70 [ 5495.053033][ T10] ret_from_fork_asm+0x1a/0x30 [ 5495.053033][ T10] [ 5495.054947][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5495.054947][ T10] netdev_get_by_index+0x5e/0x80 [ 5495.054947][ T10] fib6_nh_init+0x3d8/0x1580 [ 5495.054947][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5495.054947][ T10] ip6_route_add+0x1c/0x140 [ 5495.054947][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5495.054947][ T10] inet6_addr_add+0x4f8/0xa40 [ 5495.054947][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5495.054947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5495.054947][ T10] netlink_rcv_skb+0x130/0x360 [ 5495.054947][ T10] netlink_unicast+0x449/0x710 [ 5495.054947][ T10] netlink_sendmsg+0x723/0xbe0 [ 5495.054947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5495.054947][ T10] ___sys_sendmsg+0xee/0x170 [ 5495.054947][ T10] __sys_sendmsg+0xcd/0x170 [ 5495.054947][ T10] do_syscall_64+0xc6/0x1e0 [ 5495.054947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5495.054947][ T10] [ 5495.056943][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5495.056943][ T10] netdev_get_by_index+0x5e/0x80 [ 5495.056943][ T10] fib6_nh_init+0x3d8/0x1580 [ 5495.056943][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5495.056943][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5495.056943][ T10] ipv6_add_addr+0x411/0x2000 [ 5495.056943][ T10] inet6_addr_add+0x30e/0xa40 [ 5495.056943][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5495.056943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5495.056943][ T10] netlink_rcv_skb+0x130/0x360 [ 5495.056943][ T10] netlink_unicast+0x449/0x710 [ 5495.056943][ T10] netlink_sendmsg+0x723/0xbe0 [ 5495.056943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5495.056943][ T10] ___sys_sendmsg+0xee/0x170 [ 5495.056943][ T10] __sys_sendmsg+0xcd/0x170 [ 5495.056943][ T10] do_syscall_64+0xc6/0x1e0 [ 5495.056943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5495.056943][ T10] [ 5495.058945][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5495.058945][ T10] netdev_get_by_index+0x5e/0x80 [ 5495.058945][ T10] fib6_nh_init+0x3d8/0x1580 [ 5495.058945][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5495.058945][ T10] ip6_route_add+0x1c/0x140 [ 5495.058945][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5495.058945][ T10] addrconf_add_dev+0xe2/0x170 [ 5495.058945][ T10] inet6_addr_add+0x12f/0xa40 [ 5495.058945][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5495.058945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5495.058945][ T10] netlink_rcv_skb+0x130/0x360 [ 5495.058945][ T10] netlink_unicast+0x449/0x710 [ 5495.058945][ T10] netlink_sendmsg+0x723/0xbe0 [ 5495.058945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5495.058945][ T10] ___sys_sendmsg+0xee/0x170 [ 5495.058945][ T10] __sys_sendmsg+0xcd/0x170 [ 5495.058945][ T10] do_syscall_64+0xc6/0x1e0 [ 5495.058945][ T10] [ 5495.060927][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5495.060927][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5495.060927][ T10] ipv6_find_idev+0x102/0x170 [ 5495.060927][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5495.060927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5495.060927][ T10] netlink_rcv_skb+0x130/0x360 [ 5495.060927][ T10] netlink_unicast+0x449/0x710 [ 5495.060927][ T10] netlink_sendmsg+0x723/0xbe0 [ 5495.060927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5495.060927][ T10] ___sys_sendmsg+0xee/0x170 [ 5495.060927][ T10] __sys_sendmsg+0xcd/0x170 [ 5495.060927][ T10] do_syscall_64+0xc6/0x1e0 [ 5495.060927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5495.060927][ T10] [ 5495.062473][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5495.062473][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5495.062473][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5495.062473][ T10] ipv6_find_idev+0x102/0x170 [ 5495.062473][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5495.062473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5495.062473][ T10] netlink_rcv_skb+0x130/0x360 [ 5495.062473][ T10] netlink_unicast+0x449/0x710 [ 5495.062473][ T10] netlink_sendmsg+0x723/0xbe0 [ 5495.062473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5495.062473][ T10] ___sys_sendmsg+0xee/0x170 [ 5495.062473][ T10] __sys_sendmsg+0xcd/0x170 [ 5495.062473][ T10] do_syscall_64+0xc6/0x1e0 [ 5495.062473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5495.062473][ T10] [ 5495.064168][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5495.064411][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5495.064411][ T10] netdev_get_by_index+0x5e/0x80 [ 5495.064411][ T10] fib6_nh_init+0x3d8/0x1580 [ 5495.064411][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5495.064411][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5495.064411][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5495.064411][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5495.064411][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5495.064411][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5495.064411][ T10] addrconf_dad_begin+0x310/0x670 [ 5495.064411][ T10] addrconf_dad_work+0x10b/0xab0 [ 5495.064411][ T10] process_one_work+0x84d/0x18a0 [ 5495.064411][ T10] worker_thread+0x587/0xd30 [ 5495.064411][ T10] kthread+0x28a/0x350 [ 5495.064411][ T10] ret_from_fork+0x31/0x70 [ 5495.064411][ T10] ret_from_fork_asm+0x1a/0x30 [ 5495.064411][ T10] [ 5495.066321][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5495.066321][ T10] netdev_get_by_index+0x5e/0x80 [ 5495.066321][ T10] fib6_nh_init+0x3d8/0x1580 [ 5495.066321][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5495.066321][ T10] ip6_route_add+0x1c/0x140 [ 5495.066321][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5495.066321][ T10] inet6_addr_add+0x4f8/0xa40 [ 5495.066321][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5495.066321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5495.066321][ T10] netlink_rcv_skb+0x130/0x360 [ 5495.066321][ T10] netlink_unicast+0x449/0x710 [ 5495.066321][ T10] netlink_sendmsg+0x723/0xbe0 [ 5495.066321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5495.066321][ T10] ___sys_sendmsg+0xee/0x170 [ 5495.066321][ T10] __sys_sendmsg+0xcd/0x170 [ 5495.066321][ T10] do_syscall_64+0xc6/0x1e0 [ 5495.066321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5495.066321][ T10] [ 5495.068436][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5495.068436][ T10] netdev_get_by_index+0x5e/0x80 [ 5495.068436][ T10] fib6_nh_init+0x3d8/0x1580 [ 5495.068436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5495.068436][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5495.068436][ T10] ipv6_add_addr+0x411/0x2000 [ 5495.068436][ T10] inet6_addr_add+0x30e/0xa40 [ 5495.068436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5495.068436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5495.068436][ T10] netlink_rcv_skb+0x130/0x360 [ 5495.068436][ T10] netlink_unicast+0x449/0x710 [ 5495.068436][ T10] netlink_sendmsg+0x723/0xbe0 [ 5495.068436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5495.068436][ T10] ___sys_sendmsg+0xee/0x170 [ 5495.068436][ T10] __sys_sendmsg+0xcd/0x170 [ 5495.068436][ T10] do_syscall_64+0xc6/0x1e0 [ 5495.068436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5495.068436][ T10] [ 5495.071087][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5495.071087][ T10] netdev_get_by_index+0x5e/0x80 [ 5495.071087][ T10] fib6_nh_init+0x3d8/0x1580 [ 5495.071087][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5495.071087][ T10] ip6_route_add+0x1c/0x140 [ 5495.071087][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5495.071087][ T10] addrconf_add_dev+0xe2/0x170 [ 5495.071087][ T10] inet6_addr_add+0x12f/0xa40 [ 5495.071087][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5495.071087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5495.071087][ T10] netlink_rcv_skb+0x130/0x360 [ 5495.071087][ T10] netlink_unicast+0x449/0x710 [ 5495.071087][ T10] netlink_sendmsg+0x723/0xbe0 [ 5495.071087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5495.071087][ T10] ___sys_sendmsg+0xee/0x170 [ 5495.071087][ T10] __sys_sendmsg+0xcd/0x170 [ 5495.071087][ T10] do_syscall_64+0xc6/0x1e0 [ 5495.071087][ T10] [ 5495.075537][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5495.075537][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5495.075537][ T10] ipv6_find_idev+0x102/0x170 [ 5495.075537][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5495.075537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5495.075537][ T10] netlink_rcv_skb+0x130/0x360 [ 5495.075537][ T10] netlink_unicast+0x449/0x710 [ 5495.075537][ T10] netlink_sendmsg+0x723/0xbe0 [ 5495.075537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5495.075537][ T10] ___sys_sendmsg+0xee/0x170 [ 5495.075537][ T10] __sys_sendmsg+0xcd/0x170 [ 5495.075537][ T10] do_syscall_64+0xc6/0x1e0 [ 5495.075537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5495.075537][ T10] [ 5495.077234][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5495.077234][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5495.077234][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5495.077234][ T10] ipv6_find_idev+0x102/0x170 [ 5495.077234][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5495.077234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5495.077234][ T10] netlink_rcv_skb+0x130/0x360 [ 5495.077234][ T10] netlink_unicast+0x449/0x710 [ 5495.077234][ T10] netlink_sendmsg+0x723/0xbe0 [ 5495.077234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5495.077234][ T10] ___sys_sendmsg+0xee/0x170 [ 5495.077234][ T10] __sys_sendmsg+0xcd/0x170 [ 5495.077234][ T10] do_syscall_64+0xc6/0x1e0 [ 5495.077234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5495.077234][ T10] [ 5495.079021][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5495.079272][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5495.079272][ T10] netdev_get_by_index+0x5e/0x80 [ 5495.079272][ T10] fib6_nh_init+0x3d8/0x1580 [ 5495.079272][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5495.079272][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5495.079272][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5495.079272][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5495.079272][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5495.079272][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5495.079272][ T10] addrconf_dad_begin+0x310/0x670 [ 5495.079272][ T10] addrconf_dad_work+0x10b/0xab0 [ 5495.079272][ T10] process_one_work+0x84d/0x18a0 [ 5495.079272][ T10] worker_thread+0x587/0xd30 [ 5495.079272][ T10] kthread+0x28a/0x350 [ 5495.079272][ T10] ret_from_fork+0x31/0x70 [ 5495.079272][ T10] ret_from_fork_asm+0x1a/0x30 [ 5495.079272][ T10] [ 5495.081332][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5495.081332][ T10] netdev_get_by_index+0x5e/0x80 [ 5495.081332][ T10] fib6_nh_init+0x3d8/0x1580 [ 5495.081332][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5495.081332][ T10] ip6_route_add+0x1c/0x140 [ 5495.081332][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5495.081332][ T10] inet6_addr_add+0x4f8/0xa40 [ 5495.081332][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5495.081332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5495.081332][ T10] netlink_rcv_skb+0x130/0x360 [ 5495.081332][ T10] netlink_unicast+0x449/0x710 [ 5495.081332][ T10] netlink_sendmsg+0x723/0xbe0 [ 5495.081332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5495.081332][ T10] ___sys_sendmsg+0xee/0x170 [ 5495.081332][ T10] __sys_sendmsg+0xcd/0x170 [ 5495.081332][ T10] do_syscall_64+0xc6/0x1e0 [ 5495.081332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5495.081332][ T10] [ 5495.083498][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5495.083498][ T10] netdev_get_by_index+0x5e/0x80 [ 5495.083498][ T10] fib6_nh_init+0x3d8/0x1580 [ 5495.083498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5495.083498][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5495.083498][ T10] ipv6_add_addr+0x411/0x2000 [ 5495.083498][ T10] inet6_addr_add+0x30e/0xa40 [ 5495.083498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5495.083498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5495.083498][ T10] netlink_rcv_skb+0x130/0x360 [ 5495.083498][ T10] netlink_unicast+0x449/0x710 [ 5495.083498][ T10] netlink_sendmsg+0x723/0xbe0 [ 5495.083498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5495.083498][ T10] ___sys_sendmsg+0xee/0x170 [ 5495.083498][ T10] __sys_sendmsg+0xcd/0x170 [ 5495.083498][ T10] do_syscall_64+0xc6/0x1e0 [ 5495.083498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5495.083498][ T10] [ 5495.085707][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5495.085707][ T10] netdev_get_by_index+0x5e/0x80 [ 5495.085707][ T10] fib6_nh_init+0x3d8/0x1580 [ 5495.085707][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5495.085707][ T10] ip6_route_add+0x1c/0x140 [ 5495.085707][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5495.085707][ T10] addrconf_add_dev+0xe2/0x170 [ 5495.085707][ T10] inet6_addr_add+0x12f/0xa40 [ 5495.085707][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5495.085707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5495.085707][ T10] netlink_rcv_skb+0x130/0x360 [ 5495.085707][ T10] netlink_unicast+0x449/0x710 [ 5495.085707][ T10] netlink_sendmsg+0x723/0xbe0 [ 5495.085707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5495.085707][ T10] ___sys_sendmsg+0xee/0x170 [ 5495.085707][ T10] __sys_sendmsg+0xcd/0x170 [ 5495.085707][ T10] do_syscall_64+0xc6/0x1e0 [ 5495.085707][ T10] [ 5495.087754][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5495.087754][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5495.087754][ T10] ipv6_find_idev+0x102/0x170 [ 5495.087754][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5495.087754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5495.087754][ T10] netlink_rcv_skb+0x130/0x360 [ 5495.087754][ T10] netlink_unicast+0x449/0x710 [ 5495.087754][ T10] netlink_sendmsg+0x723/0xbe0 [ 5495.087754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5495.087754][ T10] ___sys_sendmsg+0xee/0x170 [ 5495.087754][ T10] __sys_sendmsg+0xcd/0x170 [ 5495.087754][ T10] do_syscall_64+0xc6/0x1e0 [ 5495.087754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5495.087754][ T10] [ 5495.089438][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5495.089438][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5495.089438][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5495.089438][ T10] ipv6_find_idev+0x102/0x170 [ 5495.089438][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5495.089438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5495.089438][ T10] netlink_rcv_skb+0x130/0x360 [ 5495.089438][ T10] netlink_unicast+0x449/0x710 [ 5495.089438][ T10] netlink_sendmsg+0x723/0xbe0 [ 5495.089438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5495.089438][ T10] ___sys_sendmsg+0xee/0x170 [ 5495.089438][ T10] __sys_sendmsg+0xcd/0x170 [ 5495.089438][ T10] do_syscall_64+0xc6/0x1e0 [ 5495.089438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5495.089438][ T10] [ 5496.889200][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5496.889703][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5496.889703][ T1167] dst_init+0x84/0x4a0 [ 5496.889703][ T1167] dst_alloc+0x97/0x150 [ 5496.889703][ T1167] ip6_dst_alloc+0x23/0x90 [ 5496.889703][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5496.889703][ T1167] ip6_pol_route+0x56f/0x840 [ 5496.889703][ T1167] fib6_rule_lookup+0x334/0x630 [ 5496.889703][ T1167] ip6_route_output_flags+0x259/0x480 [ 5496.889703][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5496.889703][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5496.889703][ T1167] netlink_rcv_skb+0x130/0x360 [ 5496.889703][ T1167] netlink_unicast+0x449/0x710 [ 5496.889703][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5496.889703][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5496.889703][ T1167] ___sys_sendmsg+0xee/0x170 [ 5496.889703][ T1167] __sys_sendmsg+0xcd/0x170 [ 5496.889703][ T1167] do_syscall_64+0xc6/0x1e0 [ 5496.889703][ T1167] [ 5496.891906][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5496.891906][ T1167] netdev_get_by_index+0x5e/0x80 [ 5496.891906][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5496.891906][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5496.891906][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5496.891906][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5496.891906][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5496.891906][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5496.891906][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5496.891906][ T1167] addrconf_dad_begin+0x310/0x670 [ 5496.891906][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5496.891906][ T1167] process_one_work+0x84d/0x18a0 [ 5496.891906][ T1167] worker_thread+0x587/0xd30 [ 5496.891906][ T1167] kthread+0x28a/0x350 [ 5496.891906][ T1167] ret_from_fork+0x31/0x70 [ 5496.891906][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5496.891906][ T1167] [ 5496.894067][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5496.894067][ T1167] netdev_get_by_index+0x5e/0x80 [ 5496.894067][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5496.894067][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5496.894067][ T1167] ip6_route_add+0x1c/0x140 [ 5496.894067][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5496.894067][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5496.894067][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5496.894067][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5496.894067][ T1167] netlink_rcv_skb+0x130/0x360 [ 5496.894067][ T1167] netlink_unicast+0x449/0x710 [ 5496.894067][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5496.894067][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5496.894067][ T1167] ___sys_sendmsg+0xee/0x170 [ 5496.894067][ T1167] __sys_sendmsg+0xcd/0x170 [ 5496.894067][ T1167] do_syscall_64+0xc6/0x1e0 [ 5496.894067][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5496.894067][ T1167] [ 5496.896325][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5496.896325][ T1167] netdev_get_by_index+0x5e/0x80 [ 5496.896325][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5496.896325][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5496.896325][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5496.896325][ T1167] ipv6_add_addr+0x411/0x2000 [ 5496.896325][ T1167] inet6_addr_add+0x30e/0xa40 [ 5496.896325][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5496.896325][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5496.896325][ T1167] netlink_rcv_skb+0x130/0x360 [ 5496.896325][ T1167] netlink_unicast+0x449/0x710 [ 5496.896325][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5496.896325][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5496.896325][ T1167] ___sys_sendmsg+0xee/0x170 [ 5496.896325][ T1167] __sys_sendmsg+0xcd/0x170 [ 5496.896325][ T1167] do_syscall_64+0xc6/0x1e0 [ 5496.896325][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5496.896325][ T1167] [ 5496.898596][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5496.898596][ T1167] netdev_get_by_index+0x5e/0x80 [ 5496.898596][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5496.898596][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5496.898596][ T1167] ip6_route_add+0x1c/0x140 [ 5496.898596][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5496.898596][ T1167] addrconf_add_dev+0xe2/0x170 [ 5496.898596][ T1167] inet6_addr_add+0x12f/0xa40 [ 5496.898596][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5496.898596][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5496.898596][ T1167] netlink_rcv_skb+0x130/0x360 [ 5496.898596][ T1167] netlink_unicast+0x449/0x710 [ 5496.898596][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5496.898596][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5496.898596][ T1167] ___sys_sendmsg+0xee/0x170 [ 5496.898596][ T1167] __sys_sendmsg+0xcd/0x170 [ 5496.898596][ T1167] do_syscall_64+0xc6/0x1e0 [ 5496.898596][ T1167] [ 5496.900822][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5496.900822][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5496.900822][ T1167] ipv6_find_idev+0x102/0x170 [ 5496.900822][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5496.900822][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5496.900822][ T1167] netlink_rcv_skb+0x130/0x360 [ 5496.900822][ T1167] netlink_unicast+0x449/0x710 [ 5496.900822][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5496.900822][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5496.900822][ T1167] ___sys_sendmsg+0xee/0x170 [ 5496.900822][ T1167] __sys_sendmsg+0xcd/0x170 [ 5496.900822][ T1167] do_syscall_64+0xc6/0x1e0 [ 5496.900822][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5496.900822][ T1167] [ 5496.902577][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5496.902577][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5496.902577][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5496.902577][ T1167] ipv6_find_idev+0x102/0x170 [ 5496.902577][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5496.902577][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5496.902577][ T1167] netlink_rcv_skb+0x130/0x360 [ 5496.902577][ T1167] netlink_unicast+0x449/0x710 [ 5496.902577][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5496.902577][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5496.902577][ T1167] ___sys_sendmsg+0xee/0x170 [ 5496.902577][ T1167] __sys_sendmsg+0xcd/0x170 [ 5496.902577][ T1167] do_syscall_64+0xc6/0x1e0 [ 5496.902577][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5496.902577][ T1167] [ 5505.345120][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5505.345544][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5505.345544][ T10] netdev_get_by_index+0x5e/0x80 [ 5505.345544][ T10] fib6_nh_init+0x3d8/0x1580 [ 5505.345544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5505.345544][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5505.345544][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5505.345544][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5505.345544][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5505.345544][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5505.345544][ T10] addrconf_dad_begin+0x310/0x670 [ 5505.345544][ T10] addrconf_dad_work+0x10b/0xab0 [ 5505.345544][ T10] process_one_work+0x84d/0x18a0 [ 5505.345544][ T10] worker_thread+0x587/0xd30 [ 5505.345544][ T10] kthread+0x28a/0x350 [ 5505.345544][ T10] ret_from_fork+0x31/0x70 [ 5505.345544][ T10] ret_from_fork_asm+0x1a/0x30 [ 5505.345544][ T10] [ 5505.347737][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5505.347737][ T10] netdev_get_by_index+0x5e/0x80 [ 5505.347737][ T10] fib6_nh_init+0x3d8/0x1580 [ 5505.347737][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5505.347737][ T10] ip6_route_add+0x1c/0x140 [ 5505.347737][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5505.347737][ T10] inet6_addr_add+0x4f8/0xa40 [ 5505.347737][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5505.347737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5505.347737][ T10] netlink_rcv_skb+0x130/0x360 [ 5505.347737][ T10] netlink_unicast+0x449/0x710 [ 5505.347737][ T10] netlink_sendmsg+0x723/0xbe0 [ 5505.347737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5505.347737][ T10] ___sys_sendmsg+0xee/0x170 [ 5505.347737][ T10] __sys_sendmsg+0xcd/0x170 [ 5505.347737][ T10] do_syscall_64+0xc6/0x1e0 [ 5505.347737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5505.347737][ T10] [ 5505.349999][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5505.349999][ T10] netdev_get_by_index+0x5e/0x80 [ 5505.349999][ T10] fib6_nh_init+0x3d8/0x1580 [ 5505.349999][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5505.349999][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5505.349999][ T10] ipv6_add_addr+0x411/0x2000 [ 5505.349999][ T10] inet6_addr_add+0x30e/0xa40 [ 5505.349999][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5505.349999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5505.349999][ T10] netlink_rcv_skb+0x130/0x360 [ 5505.349999][ T10] netlink_unicast+0x449/0x710 [ 5505.349999][ T10] netlink_sendmsg+0x723/0xbe0 [ 5505.349999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5505.349999][ T10] ___sys_sendmsg+0xee/0x170 [ 5505.349999][ T10] __sys_sendmsg+0xcd/0x170 [ 5505.349999][ T10] do_syscall_64+0xc6/0x1e0 [ 5505.349999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5505.349999][ T10] [ 5505.352278][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5505.352278][ T10] netdev_get_by_index+0x5e/0x80 [ 5505.352278][ T10] fib6_nh_init+0x3d8/0x1580 [ 5505.352278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5505.352278][ T10] ip6_route_add+0x1c/0x140 [ 5505.352278][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5505.352278][ T10] addrconf_add_dev+0xe2/0x170 [ 5505.352278][ T10] inet6_addr_add+0x12f/0xa40 [ 5505.352278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5505.352278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5505.352278][ T10] netlink_rcv_skb+0x130/0x360 [ 5505.352278][ T10] netlink_unicast+0x449/0x710 [ 5505.352278][ T10] netlink_sendmsg+0x723/0xbe0 [ 5505.352278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5505.352278][ T10] ___sys_sendmsg+0xee/0x170 [ 5505.352278][ T10] __sys_sendmsg+0xcd/0x170 [ 5505.352278][ T10] do_syscall_64+0xc6/0x1e0 [ 5505.352278][ T10] [ 5505.354487][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5505.354487][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5505.354487][ T10] ipv6_find_idev+0x102/0x170 [ 5505.354487][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5505.354487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5505.354487][ T10] netlink_rcv_skb+0x130/0x360 [ 5505.354487][ T10] netlink_unicast+0x449/0x710 [ 5505.354487][ T10] netlink_sendmsg+0x723/0xbe0 [ 5505.354487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5505.354487][ T10] ___sys_sendmsg+0xee/0x170 [ 5505.354487][ T10] __sys_sendmsg+0xcd/0x170 [ 5505.354487][ T10] do_syscall_64+0xc6/0x1e0 [ 5505.354487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5505.354487][ T10] [ 5505.356219][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5505.356219][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5505.356219][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5505.356219][ T10] ipv6_find_idev+0x102/0x170 [ 5505.356219][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5505.356219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5505.356219][ T10] netlink_rcv_skb+0x130/0x360 [ 5505.356219][ T10] netlink_unicast+0x449/0x710 [ 5505.356219][ T10] netlink_sendmsg+0x723/0xbe0 [ 5505.356219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5505.356219][ T10] ___sys_sendmsg+0xee/0x170 [ 5505.356219][ T10] __sys_sendmsg+0xcd/0x170 [ 5505.356219][ T10] do_syscall_64+0xc6/0x1e0 [ 5505.356219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5505.356219][ T10] [ 5505.358147][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5505.358440][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5505.358440][ T10] netdev_get_by_index+0x5e/0x80 [ 5505.358440][ T10] fib6_nh_init+0x3d8/0x1580 [ 5505.358440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5505.358440][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5505.358440][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5505.358440][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5505.358440][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5505.358440][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5505.358440][ T10] addrconf_dad_begin+0x310/0x670 [ 5505.358440][ T10] addrconf_dad_work+0x10b/0xab0 [ 5505.358440][ T10] process_one_work+0x84d/0x18a0 [ 5505.358440][ T10] worker_thread+0x587/0xd30 [ 5505.358440][ T10] kthread+0x28a/0x350 [ 5505.358440][ T10] ret_from_fork+0x31/0x70 [ 5505.358440][ T10] ret_from_fork_asm+0x1a/0x30 [ 5505.358440][ T10] [ 5505.360586][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5505.360586][ T10] netdev_get_by_index+0x5e/0x80 [ 5505.360586][ T10] fib6_nh_init+0x3d8/0x1580 [ 5505.360586][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5505.360586][ T10] ip6_route_add+0x1c/0x140 [ 5505.360586][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5505.360586][ T10] inet6_addr_add+0x4f8/0xa40 [ 5505.360586][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5505.360586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5505.360586][ T10] netlink_rcv_skb+0x130/0x360 [ 5505.360586][ T10] netlink_unicast+0x449/0x710 [ 5505.360586][ T10] netlink_sendmsg+0x723/0xbe0 [ 5505.360586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5505.360586][ T10] ___sys_sendmsg+0xee/0x170 [ 5505.360586][ T10] __sys_sendmsg+0xcd/0x170 [ 5505.360586][ T10] do_syscall_64+0xc6/0x1e0 [ 5505.360586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5505.360586][ T10] [ 5505.362854][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5505.362854][ T10] netdev_get_by_index+0x5e/0x80 [ 5505.362854][ T10] fib6_nh_init+0x3d8/0x1580 [ 5505.362854][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5505.362854][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5505.362854][ T10] ipv6_add_addr+0x411/0x2000 [ 5505.362854][ T10] inet6_addr_add+0x30e/0xa40 [ 5505.362854][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5505.362854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5505.362854][ T10] netlink_rcv_skb+0x130/0x360 [ 5505.362854][ T10] netlink_unicast+0x449/0x710 [ 5505.362854][ T10] netlink_sendmsg+0x723/0xbe0 [ 5505.362854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5505.362854][ T10] ___sys_sendmsg+0xee/0x170 [ 5505.362854][ T10] __sys_sendmsg+0xcd/0x170 [ 5505.362854][ T10] do_syscall_64+0xc6/0x1e0 [ 5505.362854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5505.362854][ T10] [ 5505.365107][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5505.365107][ T10] netdev_get_by_index+0x5e/0x80 [ 5505.365107][ T10] fib6_nh_init+0x3d8/0x1580 [ 5505.365107][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5505.365107][ T10] ip6_route_add+0x1c/0x140 [ 5505.365107][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5505.365107][ T10] addrconf_add_dev+0xe2/0x170 [ 5505.365107][ T10] inet6_addr_add+0x12f/0xa40 [ 5505.365107][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5505.365107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5505.365107][ T10] netlink_rcv_skb+0x130/0x360 [ 5505.365107][ T10] netlink_unicast+0x449/0x710 [ 5505.365107][ T10] netlink_sendmsg+0x723/0xbe0 [ 5505.365107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5505.365107][ T10] ___sys_sendmsg+0xee/0x170 [ 5505.365107][ T10] __sys_sendmsg+0xcd/0x170 [ 5505.365107][ T10] do_syscall_64+0xc6/0x1e0 [ 5505.365107][ T10] [ 5505.367303][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5505.367303][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5505.367303][ T10] ipv6_find_idev+0x102/0x170 [ 5505.367303][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5505.367303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5505.367303][ T10] netlink_rcv_skb+0x130/0x360 [ 5505.367303][ T10] netlink_unicast+0x449/0x710 [ 5505.367303][ T10] netlink_sendmsg+0x723/0xbe0 [ 5505.367303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5505.367303][ T10] ___sys_sendmsg+0xee/0x170 [ 5505.367303][ T10] __sys_sendmsg+0xcd/0x170 [ 5505.367303][ T10] do_syscall_64+0xc6/0x1e0 [ 5505.367303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5505.367303][ T10] [ 5505.369022][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5505.369022][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5505.369022][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5505.369022][ T10] ipv6_find_idev+0x102/0x170 [ 5505.369022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5505.369022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5505.369022][ T10] netlink_rcv_skb+0x130/0x360 [ 5505.369022][ T10] netlink_unicast+0x449/0x710 [ 5505.369022][ T10] netlink_sendmsg+0x723/0xbe0 [ 5505.369022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5505.369022][ T10] ___sys_sendmsg+0xee/0x170 [ 5505.369022][ T10] __sys_sendmsg+0xcd/0x170 [ 5505.369022][ T10] do_syscall_64+0xc6/0x1e0 [ 5505.369022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5505.369022][ T10] [ 5505.370907][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5505.371185][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5505.371185][ T10] netdev_get_by_index+0x5e/0x80 [ 5505.371185][ T10] fib6_nh_init+0x3d8/0x1580 [ 5505.371185][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5505.371185][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5505.371185][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5505.371185][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5505.371185][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5505.371185][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5505.371185][ T10] addrconf_dad_begin+0x310/0x670 [ 5505.371185][ T10] addrconf_dad_work+0x10b/0xab0 [ 5505.371185][ T10] process_one_work+0x84d/0x18a0 [ 5505.371185][ T10] worker_thread+0x587/0xd30 [ 5505.371185][ T10] kthread+0x28a/0x350 [ 5505.371185][ T10] ret_from_fork+0x31/0x70 [ 5505.371185][ T10] ret_from_fork_asm+0x1a/0x30 [ 5505.371185][ T10] [ 5505.373362][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5505.373362][ T10] netdev_get_by_index+0x5e/0x80 [ 5505.373362][ T10] fib6_nh_init+0x3d8/0x1580 [ 5505.373362][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5505.373362][ T10] ip6_route_add+0x1c/0x140 [ 5505.373362][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5505.373362][ T10] inet6_addr_add+0x4f8/0xa40 [ 5505.373362][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5505.373362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5505.373362][ T10] netlink_rcv_skb+0x130/0x360 [ 5505.373362][ T10] netlink_unicast+0x449/0x710 [ 5505.373362][ T10] netlink_sendmsg+0x723/0xbe0 [ 5505.373362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5505.373362][ T10] ___sys_sendmsg+0xee/0x170 [ 5505.373362][ T10] __sys_sendmsg+0xcd/0x170 [ 5505.373362][ T10] do_syscall_64+0xc6/0x1e0 [ 5505.373362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5505.373362][ T10] [ 5505.375790][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5505.375790][ T10] netdev_get_by_index+0x5e/0x80 [ 5505.375790][ T10] fib6_nh_init+0x3d8/0x1580 [ 5505.375790][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5505.375790][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5505.375790][ T10] ipv6_add_addr+0x411/0x2000 [ 5505.375790][ T10] inet6_addr_add+0x30e/0xa40 [ 5505.375790][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5505.375790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5505.375790][ T10] netlink_rcv_skb+0x130/0x360 [ 5505.375790][ T10] netlink_unicast+0x449/0x710 [ 5505.375790][ T10] netlink_sendmsg+0x723/0xbe0 [ 5505.375790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5505.375790][ T10] ___sys_sendmsg+0xee/0x170 [ 5505.375790][ T10] __sys_sendmsg+0xcd/0x170 [ 5505.375790][ T10] do_syscall_64+0xc6/0x1e0 [ 5505.375790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5505.375790][ T10] [ 5505.378268][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5505.378268][ T10] netdev_get_by_index+0x5e/0x80 [ 5505.378268][ T10] fib6_nh_init+0x3d8/0x1580 [ 5505.378268][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5505.378268][ T10] ip6_route_add+0x1c/0x140 [ 5505.378268][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5505.378268][ T10] addrconf_add_dev+0xe2/0x170 [ 5505.378268][ T10] inet6_addr_add+0x12f/0xa40 [ 5505.378268][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5505.378268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5505.378268][ T10] netlink_rcv_skb+0x130/0x360 [ 5505.378268][ T10] netlink_unicast+0x449/0x710 [ 5505.378268][ T10] netlink_sendmsg+0x723/0xbe0 [ 5505.378268][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5505.378268][ T10] ___sys_sendmsg+0xee/0x170 [ 5505.378268][ T10] __sys_sendmsg+0xcd/0x170 [ 5505.378268][ T10] do_syscall_64+0xc6/0x1e0 [ 5505.378268][ T10] [ 5505.380718][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5505.380718][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5505.380718][ T10] ipv6_find_idev+0x102/0x170 [ 5505.380718][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5505.380718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5505.380718][ T10] netlink_rcv_skb+0x130/0x360 [ 5505.380718][ T10] netlink_unicast+0x449/0x710 [ 5505.380718][ T10] netlink_sendmsg+0x723/0xbe0 [ 5505.380718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5505.380718][ T10] ___sys_sendmsg+0xee/0x170 [ 5505.380718][ T10] __sys_sendmsg+0xcd/0x170 [ 5505.380718][ T10] do_syscall_64+0xc6/0x1e0 [ 5505.380718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5505.380718][ T10] [ 5505.382649][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5505.382649][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5505.382649][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5505.382649][ T10] ipv6_find_idev+0x102/0x170 [ 5505.382649][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5505.382649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5505.382649][ T10] netlink_rcv_skb+0x130/0x360 [ 5505.382649][ T10] netlink_unicast+0x449/0x710 [ 5505.382649][ T10] netlink_sendmsg+0x723/0xbe0 [ 5505.382649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5505.382649][ T10] ___sys_sendmsg+0xee/0x170 [ 5505.382649][ T10] __sys_sendmsg+0xcd/0x170 [ 5505.382649][ T10] do_syscall_64+0xc6/0x1e0 [ 5505.382649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5505.382649][ T10] [ 5505.384803][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5505.385509][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5505.385509][ T10] netdev_get_by_index+0x5e/0x80 [ 5505.385509][ T10] fib6_nh_init+0x3d8/0x1580 [ 5505.385509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5505.385509][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5505.385509][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5505.385509][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5505.385509][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5505.385509][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5505.385509][ T10] addrconf_dad_begin+0x310/0x670 [ 5505.385509][ T10] addrconf_dad_work+0x10b/0xab0 [ 5505.385509][ T10] process_one_work+0x84d/0x18a0 [ 5505.385509][ T10] worker_thread+0x587/0xd30 [ 5505.385509][ T10] kthread+0x28a/0x350 [ 5505.385509][ T10] ret_from_fork+0x31/0x70 [ 5505.385509][ T10] ret_from_fork_asm+0x1a/0x30 [ 5505.385509][ T10] [ 5505.387656][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5505.387656][ T10] netdev_get_by_index+0x5e/0x80 [ 5505.387656][ T10] fib6_nh_init+0x3d8/0x1580 [ 5505.387656][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5505.387656][ T10] ip6_route_add+0x1c/0x140 [ 5505.387656][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5505.387656][ T10] inet6_addr_add+0x4f8/0xa40 [ 5505.387656][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5505.387656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5505.387656][ T10] netlink_rcv_skb+0x130/0x360 [ 5505.387656][ T10] netlink_unicast+0x449/0x710 [ 5505.387656][ T10] netlink_sendmsg+0x723/0xbe0 [ 5505.387656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5505.387656][ T10] ___sys_sendmsg+0xee/0x170 [ 5505.387656][ T10] __sys_sendmsg+0xcd/0x170 [ 5505.387656][ T10] do_syscall_64+0xc6/0x1e0 [ 5505.387656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5505.387656][ T10] [ 5505.390025][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5505.390025][ T10] netdev_get_by_index+0x5e/0x80 [ 5505.390025][ T10] fib6_nh_init+0x3d8/0x1580 [ 5505.390025][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5505.390025][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5505.390025][ T10] ipv6_add_addr+0x411/0x2000 [ 5505.390025][ T10] inet6_addr_add+0x30e/0xa40 [ 5505.390025][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5505.390025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5505.390025][ T10] netlink_rcv_skb+0x130/0x360 [ 5505.390025][ T10] netlink_unicast+0x449/0x710 [ 5505.390025][ T10] netlink_sendmsg+0x723/0xbe0 [ 5505.390025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5505.390025][ T10] ___sys_sendmsg+0xee/0x170 [ 5505.390025][ T10] __sys_sendmsg+0xcd/0x170 [ 5505.390025][ T10] do_syscall_64+0xc6/0x1e0 [ 5505.390025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5505.390025][ T10] [ 5505.392470][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5505.392470][ T10] netdev_get_by_index+0x5e/0x80 [ 5505.392470][ T10] fib6_nh_init+0x3d8/0x1580 [ 5505.392470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5505.392470][ T10] ip6_route_add+0x1c/0x140 [ 5505.392470][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5505.392470][ T10] addrconf_add_dev+0xe2/0x170 [ 5505.392470][ T10] inet6_addr_add+0x12f/0xa40 [ 5505.392470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5505.392470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5505.392470][ T10] netlink_rcv_skb+0x130/0x360 [ 5505.392470][ T10] netlink_unicast+0x449/0x710 [ 5505.392470][ T10] netlink_sendmsg+0x723/0xbe0 [ 5505.392470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5505.392470][ T10] ___sys_sendmsg+0xee/0x170 [ 5505.392470][ T10] __sys_sendmsg+0xcd/0x170 [ 5505.392470][ T10] do_syscall_64+0xc6/0x1e0 [ 5505.392470][ T10] [ 5505.394979][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5505.394979][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5505.394979][ T10] ipv6_find_idev+0x102/0x170 [ 5505.394979][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5505.394979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5505.394979][ T10] netlink_rcv_skb+0x130/0x360 [ 5505.394979][ T10] netlink_unicast+0x449/0x710 [ 5505.394979][ T10] netlink_sendmsg+0x723/0xbe0 [ 5505.394979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5505.394979][ T10] ___sys_sendmsg+0xee/0x170 [ 5505.394979][ T10] __sys_sendmsg+0xcd/0x170 [ 5505.394979][ T10] do_syscall_64+0xc6/0x1e0 [ 5505.394979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5505.394979][ T10] [ 5505.396886][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5505.396886][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5505.396886][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5505.396886][ T10] ipv6_find_idev+0x102/0x170 [ 5505.396886][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5505.396886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5505.396886][ T10] netlink_rcv_skb+0x130/0x360 [ 5505.396886][ T10] netlink_unicast+0x449/0x710 [ 5505.396886][ T10] netlink_sendmsg+0x723/0xbe0 [ 5505.396886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5505.396886][ T10] ___sys_sendmsg+0xee/0x170 [ 5505.396886][ T10] __sys_sendmsg+0xcd/0x170 [ 5505.396886][ T10] do_syscall_64+0xc6/0x1e0 [ 5505.396886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5505.396886][ T10] [ 5506.937115][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5506.937619][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5506.937619][ T1167] dst_init+0x84/0x4a0 [ 5506.937619][ T1167] dst_alloc+0x97/0x150 [ 5506.937619][ T1167] ip6_dst_alloc+0x23/0x90 [ 5506.937619][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5506.937619][ T1167] ip6_pol_route+0x56f/0x840 [ 5506.937619][ T1167] fib6_rule_lookup+0x334/0x630 [ 5506.937619][ T1167] ip6_route_output_flags+0x259/0x480 [ 5506.937619][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5506.937619][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5506.937619][ T1167] netlink_rcv_skb+0x130/0x360 [ 5506.937619][ T1167] netlink_unicast+0x449/0x710 [ 5506.937619][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5506.937619][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5506.937619][ T1167] ___sys_sendmsg+0xee/0x170 [ 5506.937619][ T1167] __sys_sendmsg+0xcd/0x170 [ 5506.937619][ T1167] do_syscall_64+0xc6/0x1e0 [ 5506.937619][ T1167] [ 5506.939842][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5506.939842][ T1167] netdev_get_by_index+0x5e/0x80 [ 5506.939842][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5506.939842][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5506.939842][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5506.939842][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5506.939842][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5506.939842][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5506.939842][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5506.939842][ T1167] addrconf_dad_begin+0x310/0x670 [ 5506.939842][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5506.939842][ T1167] process_one_work+0x84d/0x18a0 [ 5506.939842][ T1167] worker_thread+0x587/0xd30 [ 5506.939842][ T1167] kthread+0x28a/0x350 [ 5506.939842][ T1167] ret_from_fork+0x31/0x70 [ 5506.939842][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5506.939842][ T1167] [ 5506.942005][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5506.942005][ T1167] netdev_get_by_index+0x5e/0x80 [ 5506.942005][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5506.942005][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5506.942005][ T1167] ip6_route_add+0x1c/0x140 [ 5506.942005][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5506.942005][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5506.942005][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5506.942005][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5506.942005][ T1167] netlink_rcv_skb+0x130/0x360 [ 5506.942005][ T1167] netlink_unicast+0x449/0x710 [ 5506.942005][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5506.942005][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5506.942005][ T1167] ___sys_sendmsg+0xee/0x170 [ 5506.942005][ T1167] __sys_sendmsg+0xcd/0x170 [ 5506.942005][ T1167] do_syscall_64+0xc6/0x1e0 [ 5506.942005][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5506.942005][ T1167] [ 5506.944273][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5506.944273][ T1167] netdev_get_by_index+0x5e/0x80 [ 5506.944273][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5506.944273][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5506.944273][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5506.944273][ T1167] ipv6_add_addr+0x411/0x2000 [ 5506.944273][ T1167] inet6_addr_add+0x30e/0xa40 [ 5506.944273][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5506.944273][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5506.944273][ T1167] netlink_rcv_skb+0x130/0x360 [ 5506.944273][ T1167] netlink_unicast+0x449/0x710 [ 5506.944273][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5506.944273][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5506.944273][ T1167] ___sys_sendmsg+0xee/0x170 [ 5506.944273][ T1167] __sys_sendmsg+0xcd/0x170 [ 5506.944273][ T1167] do_syscall_64+0xc6/0x1e0 [ 5506.944273][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5506.944273][ T1167] [ 5506.946535][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5506.946535][ T1167] netdev_get_by_index+0x5e/0x80 [ 5506.946535][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5506.946535][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5506.946535][ T1167] ip6_route_add+0x1c/0x140 [ 5506.946535][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5506.946535][ T1167] addrconf_add_dev+0xe2/0x170 [ 5506.946535][ T1167] inet6_addr_add+0x12f/0xa40 [ 5506.946535][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5506.946535][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5506.946535][ T1167] netlink_rcv_skb+0x130/0x360 [ 5506.946535][ T1167] netlink_unicast+0x449/0x710 [ 5506.946535][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5506.946535][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5506.946535][ T1167] ___sys_sendmsg+0xee/0x170 [ 5506.946535][ T1167] __sys_sendmsg+0xcd/0x170 [ 5506.946535][ T1167] do_syscall_64+0xc6/0x1e0 [ 5506.946535][ T1167] [ 5506.948763][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5506.948763][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5506.948763][ T1167] ipv6_find_idev+0x102/0x170 [ 5506.948763][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5506.948763][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5506.948763][ T1167] netlink_rcv_skb+0x130/0x360 [ 5506.948763][ T1167] netlink_unicast+0x449/0x710 [ 5506.948763][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5506.948763][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5506.948763][ T1167] ___sys_sendmsg+0xee/0x170 [ 5506.948763][ T1167] __sys_sendmsg+0xcd/0x170 [ 5506.948763][ T1167] do_syscall_64+0xc6/0x1e0 [ 5506.948763][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5506.948763][ T1167] [ 5506.950504][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5506.950504][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5506.950504][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5506.950504][ T1167] ipv6_find_idev+0x102/0x170 [ 5506.950504][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5506.950504][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5506.950504][ T1167] netlink_rcv_skb+0x130/0x360 [ 5506.950504][ T1167] netlink_unicast+0x449/0x710 [ 5506.950504][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5506.950504][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5506.950504][ T1167] ___sys_sendmsg+0xee/0x170 [ 5506.950504][ T1167] __sys_sendmsg+0xcd/0x170 [ 5506.950504][ T1167] do_syscall_64+0xc6/0x1e0 [ 5506.950504][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5506.950504][ T1167] [ 5515.401102][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5515.401596][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5515.401596][ T10] netdev_get_by_index+0x5e/0x80 [ 5515.401596][ T10] fib6_nh_init+0x3d8/0x1580 [ 5515.401596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5515.401596][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5515.401596][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5515.401596][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5515.401596][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5515.401596][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5515.401596][ T10] addrconf_dad_begin+0x310/0x670 [ 5515.401596][ T10] addrconf_dad_work+0x10b/0xab0 [ 5515.401596][ T10] process_one_work+0x84d/0x18a0 [ 5515.401596][ T10] worker_thread+0x587/0xd30 [ 5515.401596][ T10] kthread+0x28a/0x350 [ 5515.401596][ T10] ret_from_fork+0x31/0x70 [ 5515.401596][ T10] ret_from_fork_asm+0x1a/0x30 [ 5515.401596][ T10] [ 5515.403793][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5515.403793][ T10] netdev_get_by_index+0x5e/0x80 [ 5515.403793][ T10] fib6_nh_init+0x3d8/0x1580 [ 5515.403793][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5515.403793][ T10] ip6_route_add+0x1c/0x140 [ 5515.403793][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5515.403793][ T10] inet6_addr_add+0x4f8/0xa40 [ 5515.403793][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5515.403793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.403793][ T10] netlink_rcv_skb+0x130/0x360 [ 5515.403793][ T10] netlink_unicast+0x449/0x710 [ 5515.403793][ T10] netlink_sendmsg+0x723/0xbe0 [ 5515.403793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5515.403793][ T10] ___sys_sendmsg+0xee/0x170 [ 5515.403793][ T10] __sys_sendmsg+0xcd/0x170 [ 5515.403793][ T10] do_syscall_64+0xc6/0x1e0 [ 5515.403793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.403793][ T10] [ 5515.406066][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5515.406066][ T10] netdev_get_by_index+0x5e/0x80 [ 5515.406066][ T10] fib6_nh_init+0x3d8/0x1580 [ 5515.406066][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5515.406066][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5515.406066][ T10] ipv6_add_addr+0x411/0x2000 [ 5515.406066][ T10] inet6_addr_add+0x30e/0xa40 [ 5515.406066][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5515.406066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.406066][ T10] netlink_rcv_skb+0x130/0x360 [ 5515.406066][ T10] netlink_unicast+0x449/0x710 [ 5515.406066][ T10] netlink_sendmsg+0x723/0xbe0 [ 5515.406066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5515.406066][ T10] ___sys_sendmsg+0xee/0x170 [ 5515.406066][ T10] __sys_sendmsg+0xcd/0x170 [ 5515.406066][ T10] do_syscall_64+0xc6/0x1e0 [ 5515.406066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.406066][ T10] [ 5515.408310][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5515.408310][ T10] netdev_get_by_index+0x5e/0x80 [ 5515.408310][ T10] fib6_nh_init+0x3d8/0x1580 [ 5515.408310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5515.408310][ T10] ip6_route_add+0x1c/0x140 [ 5515.408310][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5515.408310][ T10] addrconf_add_dev+0xe2/0x170 [ 5515.408310][ T10] inet6_addr_add+0x12f/0xa40 [ 5515.408310][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5515.408310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.408310][ T10] netlink_rcv_skb+0x130/0x360 [ 5515.408310][ T10] netlink_unicast+0x449/0x710 [ 5515.408310][ T10] netlink_sendmsg+0x723/0xbe0 [ 5515.408310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5515.408310][ T10] ___sys_sendmsg+0xee/0x170 [ 5515.408310][ T10] __sys_sendmsg+0xcd/0x170 [ 5515.408310][ T10] do_syscall_64+0xc6/0x1e0 [ 5515.408310][ T10] [ 5515.410528][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5515.410528][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5515.410528][ T10] ipv6_find_idev+0x102/0x170 [ 5515.410528][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5515.410528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.410528][ T10] netlink_rcv_skb+0x130/0x360 [ 5515.410528][ T10] netlink_unicast+0x449/0x710 [ 5515.410528][ T10] netlink_sendmsg+0x723/0xbe0 [ 5515.410528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5515.410528][ T10] ___sys_sendmsg+0xee/0x170 [ 5515.410528][ T10] __sys_sendmsg+0xcd/0x170 [ 5515.410528][ T10] do_syscall_64+0xc6/0x1e0 [ 5515.410528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.410528][ T10] [ 5515.412381][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5515.412381][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5515.412381][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5515.412381][ T10] ipv6_find_idev+0x102/0x170 [ 5515.412381][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5515.412381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.412381][ T10] netlink_rcv_skb+0x130/0x360 [ 5515.412381][ T10] netlink_unicast+0x449/0x710 [ 5515.412381][ T10] netlink_sendmsg+0x723/0xbe0 [ 5515.412381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5515.412381][ T10] ___sys_sendmsg+0xee/0x170 [ 5515.412381][ T10] __sys_sendmsg+0xcd/0x170 [ 5515.412381][ T10] do_syscall_64+0xc6/0x1e0 [ 5515.412381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.412381][ T10] [ 5515.414274][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5515.414579][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5515.414579][ T10] netdev_get_by_index+0x5e/0x80 [ 5515.414579][ T10] fib6_nh_init+0x3d8/0x1580 [ 5515.414579][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5515.414579][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5515.414579][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5515.414579][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5515.414579][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5515.414579][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5515.414579][ T10] addrconf_dad_begin+0x310/0x670 [ 5515.414579][ T10] addrconf_dad_work+0x10b/0xab0 [ 5515.414579][ T10] process_one_work+0x84d/0x18a0 [ 5515.414579][ T10] worker_thread+0x587/0xd30 [ 5515.414579][ T10] kthread+0x28a/0x350 [ 5515.414579][ T10] ret_from_fork+0x31/0x70 [ 5515.414579][ T10] ret_from_fork_asm+0x1a/0x30 [ 5515.414579][ T10] [ 5515.416722][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5515.416722][ T10] netdev_get_by_index+0x5e/0x80 [ 5515.416722][ T10] fib6_nh_init+0x3d8/0x1580 [ 5515.416722][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5515.416722][ T10] ip6_route_add+0x1c/0x140 [ 5515.416722][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5515.416722][ T10] inet6_addr_add+0x4f8/0xa40 [ 5515.416722][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5515.416722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.416722][ T10] netlink_rcv_skb+0x130/0x360 [ 5515.416722][ T10] netlink_unicast+0x449/0x710 [ 5515.416722][ T10] netlink_sendmsg+0x723/0xbe0 [ 5515.416722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5515.416722][ T10] ___sys_sendmsg+0xee/0x170 [ 5515.416722][ T10] __sys_sendmsg+0xcd/0x170 [ 5515.416722][ T10] do_syscall_64+0xc6/0x1e0 [ 5515.416722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.416722][ T10] [ 5515.418979][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5515.418979][ T10] netdev_get_by_index+0x5e/0x80 [ 5515.418979][ T10] fib6_nh_init+0x3d8/0x1580 [ 5515.418979][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5515.418979][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5515.418979][ T10] ipv6_add_addr+0x411/0x2000 [ 5515.418979][ T10] inet6_addr_add+0x30e/0xa40 [ 5515.418979][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5515.418979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.418979][ T10] netlink_rcv_skb+0x130/0x360 [ 5515.418979][ T10] netlink_unicast+0x449/0x710 [ 5515.418979][ T10] netlink_sendmsg+0x723/0xbe0 [ 5515.418979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5515.418979][ T10] ___sys_sendmsg+0xee/0x170 [ 5515.418979][ T10] __sys_sendmsg+0xcd/0x170 [ 5515.418979][ T10] do_syscall_64+0xc6/0x1e0 [ 5515.418979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.418979][ T10] [ 5515.421222][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5515.421222][ T10] netdev_get_by_index+0x5e/0x80 [ 5515.421222][ T10] fib6_nh_init+0x3d8/0x1580 [ 5515.421222][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5515.421222][ T10] ip6_route_add+0x1c/0x140 [ 5515.421222][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5515.421222][ T10] addrconf_add_dev+0xe2/0x170 [ 5515.421222][ T10] inet6_addr_add+0x12f/0xa40 [ 5515.421222][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5515.421222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.421222][ T10] netlink_rcv_skb+0x130/0x360 [ 5515.421222][ T10] netlink_unicast+0x449/0x710 [ 5515.421222][ T10] netlink_sendmsg+0x723/0xbe0 [ 5515.421222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5515.421222][ T10] ___sys_sendmsg+0xee/0x170 [ 5515.421222][ T10] __sys_sendmsg+0xcd/0x170 [ 5515.421222][ T10] do_syscall_64+0xc6/0x1e0 [ 5515.421222][ T10] [ 5515.423437][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5515.423437][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5515.423437][ T10] ipv6_find_idev+0x102/0x170 [ 5515.423437][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5515.423437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.423437][ T10] netlink_rcv_skb+0x130/0x360 [ 5515.423437][ T10] netlink_unicast+0x449/0x710 [ 5515.423437][ T10] netlink_sendmsg+0x723/0xbe0 [ 5515.423437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5515.423437][ T10] ___sys_sendmsg+0xee/0x170 [ 5515.423437][ T10] __sys_sendmsg+0xcd/0x170 [ 5515.423437][ T10] do_syscall_64+0xc6/0x1e0 [ 5515.423437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.423437][ T10] [ 5515.425165][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5515.425165][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5515.425165][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5515.425165][ T10] ipv6_find_idev+0x102/0x170 [ 5515.425165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5515.425165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.425165][ T10] netlink_rcv_skb+0x130/0x360 [ 5515.425165][ T10] netlink_unicast+0x449/0x710 [ 5515.425165][ T10] netlink_sendmsg+0x723/0xbe0 [ 5515.425165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5515.425165][ T10] ___sys_sendmsg+0xee/0x170 [ 5515.425165][ T10] __sys_sendmsg+0xcd/0x170 [ 5515.425165][ T10] do_syscall_64+0xc6/0x1e0 [ 5515.425165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.425165][ T10] [ 5515.427063][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5515.427321][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5515.427321][ T10] netdev_get_by_index+0x5e/0x80 [ 5515.427321][ T10] fib6_nh_init+0x3d8/0x1580 [ 5515.427321][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5515.427321][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5515.427321][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5515.427321][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5515.427321][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5515.427321][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5515.427321][ T10] addrconf_dad_begin+0x310/0x670 [ 5515.427321][ T10] addrconf_dad_work+0x10b/0xab0 [ 5515.427321][ T10] process_one_work+0x84d/0x18a0 [ 5515.427321][ T10] worker_thread+0x587/0xd30 [ 5515.427321][ T10] kthread+0x28a/0x350 [ 5515.427321][ T10] ret_from_fork+0x31/0x70 [ 5515.427321][ T10] ret_from_fork_asm+0x1a/0x30 [ 5515.427321][ T10] [ 5515.429489][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5515.429489][ T10] netdev_get_by_index+0x5e/0x80 [ 5515.429489][ T10] fib6_nh_init+0x3d8/0x1580 [ 5515.429489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5515.429489][ T10] ip6_route_add+0x1c/0x140 [ 5515.429489][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5515.429489][ T10] inet6_addr_add+0x4f8/0xa40 [ 5515.429489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5515.429489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.429489][ T10] netlink_rcv_skb+0x130/0x360 [ 5515.429489][ T10] netlink_unicast+0x449/0x710 [ 5515.429489][ T10] netlink_sendmsg+0x723/0xbe0 [ 5515.429489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5515.429489][ T10] ___sys_sendmsg+0xee/0x170 [ 5515.429489][ T10] __sys_sendmsg+0xcd/0x170 [ 5515.429489][ T10] do_syscall_64+0xc6/0x1e0 [ 5515.429489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.429489][ T10] [ 5515.431922][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5515.431922][ T10] netdev_get_by_index+0x5e/0x80 [ 5515.431922][ T10] fib6_nh_init+0x3d8/0x1580 [ 5515.431922][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5515.431922][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5515.431922][ T10] ipv6_add_addr+0x411/0x2000 [ 5515.431922][ T10] inet6_addr_add+0x30e/0xa40 [ 5515.431922][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5515.431922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.431922][ T10] netlink_rcv_skb+0x130/0x360 [ 5515.431922][ T10] netlink_unicast+0x449/0x710 [ 5515.431922][ T10] netlink_sendmsg+0x723/0xbe0 [ 5515.431922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5515.431922][ T10] ___sys_sendmsg+0xee/0x170 [ 5515.431922][ T10] __sys_sendmsg+0xcd/0x170 [ 5515.431922][ T10] do_syscall_64+0xc6/0x1e0 [ 5515.431922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.431922][ T10] [ 5515.434440][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5515.434440][ T10] netdev_get_by_index+0x5e/0x80 [ 5515.434440][ T10] fib6_nh_init+0x3d8/0x1580 [ 5515.434440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5515.434440][ T10] ip6_route_add+0x1c/0x140 [ 5515.434440][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5515.434440][ T10] addrconf_add_dev+0xe2/0x170 [ 5515.434440][ T10] inet6_addr_add+0x12f/0xa40 [ 5515.434440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5515.434440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.434440][ T10] netlink_rcv_skb+0x130/0x360 [ 5515.434440][ T10] netlink_unicast+0x449/0x710 [ 5515.434440][ T10] netlink_sendmsg+0x723/0xbe0 [ 5515.434440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5515.434440][ T10] ___sys_sendmsg+0xee/0x170 [ 5515.434440][ T10] __sys_sendmsg+0xcd/0x170 [ 5515.434440][ T10] do_syscall_64+0xc6/0x1e0 [ 5515.434440][ T10] [ 5515.436900][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5515.436900][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5515.436900][ T10] ipv6_find_idev+0x102/0x170 [ 5515.436900][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5515.436900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.436900][ T10] netlink_rcv_skb+0x130/0x360 [ 5515.436900][ T10] netlink_unicast+0x449/0x710 [ 5515.436900][ T10] netlink_sendmsg+0x723/0xbe0 [ 5515.436900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5515.436900][ T10] ___sys_sendmsg+0xee/0x170 [ 5515.436900][ T10] __sys_sendmsg+0xcd/0x170 [ 5515.436900][ T10] do_syscall_64+0xc6/0x1e0 [ 5515.436900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.436900][ T10] [ 5515.438820][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5515.438820][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5515.438820][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5515.438820][ T10] ipv6_find_idev+0x102/0x170 [ 5515.438820][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5515.438820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.438820][ T10] netlink_rcv_skb+0x130/0x360 [ 5515.438820][ T10] netlink_unicast+0x449/0x710 [ 5515.438820][ T10] netlink_sendmsg+0x723/0xbe0 [ 5515.438820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5515.438820][ T10] ___sys_sendmsg+0xee/0x170 [ 5515.438820][ T10] __sys_sendmsg+0xcd/0x170 [ 5515.438820][ T10] do_syscall_64+0xc6/0x1e0 [ 5515.438820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.438820][ T10] [ 5515.440955][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5515.441657][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5515.441657][ T10] netdev_get_by_index+0x5e/0x80 [ 5515.441657][ T10] fib6_nh_init+0x3d8/0x1580 [ 5515.441657][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5515.441657][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5515.441657][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5515.441657][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5515.441657][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5515.441657][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5515.441657][ T10] addrconf_dad_begin+0x310/0x670 [ 5515.441657][ T10] addrconf_dad_work+0x10b/0xab0 [ 5515.441657][ T10] process_one_work+0x84d/0x18a0 [ 5515.441657][ T10] worker_thread+0x587/0xd30 [ 5515.441657][ T10] kthread+0x28a/0x350 [ 5515.441657][ T10] ret_from_fork+0x31/0x70 [ 5515.441657][ T10] ret_from_fork_asm+0x1a/0x30 [ 5515.441657][ T10] [ 5515.443838][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5515.443838][ T10] netdev_get_by_index+0x5e/0x80 [ 5515.443838][ T10] fib6_nh_init+0x3d8/0x1580 [ 5515.443838][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5515.443838][ T10] ip6_route_add+0x1c/0x140 [ 5515.443838][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5515.443838][ T10] inet6_addr_add+0x4f8/0xa40 [ 5515.443838][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5515.443838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.443838][ T10] netlink_rcv_skb+0x130/0x360 [ 5515.443838][ T10] netlink_unicast+0x449/0x710 [ 5515.443838][ T10] netlink_sendmsg+0x723/0xbe0 [ 5515.443838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5515.443838][ T10] ___sys_sendmsg+0xee/0x170 [ 5515.443838][ T10] __sys_sendmsg+0xcd/0x170 [ 5515.443838][ T10] do_syscall_64+0xc6/0x1e0 [ 5515.443838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.443838][ T10] [ 5515.446204][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5515.446204][ T10] netdev_get_by_index+0x5e/0x80 [ 5515.446204][ T10] fib6_nh_init+0x3d8/0x1580 [ 5515.446204][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5515.446204][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5515.446204][ T10] ipv6_add_addr+0x411/0x2000 [ 5515.446204][ T10] inet6_addr_add+0x30e/0xa40 [ 5515.446204][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5515.446204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.446204][ T10] netlink_rcv_skb+0x130/0x360 [ 5515.446204][ T10] netlink_unicast+0x449/0x710 [ 5515.446204][ T10] netlink_sendmsg+0x723/0xbe0 [ 5515.446204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5515.446204][ T10] ___sys_sendmsg+0xee/0x170 [ 5515.446204][ T10] __sys_sendmsg+0xcd/0x170 [ 5515.446204][ T10] do_syscall_64+0xc6/0x1e0 [ 5515.446204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.446204][ T10] [ 5515.448649][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5515.448649][ T10] netdev_get_by_index+0x5e/0x80 [ 5515.448649][ T10] fib6_nh_init+0x3d8/0x1580 [ 5515.448649][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5515.448649][ T10] ip6_route_add+0x1c/0x140 [ 5515.448649][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5515.448649][ T10] addrconf_add_dev+0xe2/0x170 [ 5515.448649][ T10] inet6_addr_add+0x12f/0xa40 [ 5515.448649][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5515.448649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.448649][ T10] netlink_rcv_skb+0x130/0x360 [ 5515.448649][ T10] netlink_unicast+0x449/0x710 [ 5515.448649][ T10] netlink_sendmsg+0x723/0xbe0 [ 5515.448649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5515.448649][ T10] ___sys_sendmsg+0xee/0x170 [ 5515.448649][ T10] __sys_sendmsg+0xcd/0x170 [ 5515.448649][ T10] do_syscall_64+0xc6/0x1e0 [ 5515.448649][ T10] [ 5515.451119][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5515.451119][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5515.451119][ T10] ipv6_find_idev+0x102/0x170 [ 5515.451119][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5515.451119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.451119][ T10] netlink_rcv_skb+0x130/0x360 [ 5515.451119][ T10] netlink_unicast+0x449/0x710 [ 5515.451119][ T10] netlink_sendmsg+0x723/0xbe0 [ 5515.451119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5515.451119][ T10] ___sys_sendmsg+0xee/0x170 [ 5515.451119][ T10] __sys_sendmsg+0xcd/0x170 [ 5515.451119][ T10] do_syscall_64+0xc6/0x1e0 [ 5515.451119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.451119][ T10] [ 5515.453057][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5515.453057][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5515.453057][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5515.453057][ T10] ipv6_find_idev+0x102/0x170 [ 5515.453057][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5515.453057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5515.453057][ T10] netlink_rcv_skb+0x130/0x360 [ 5515.453057][ T10] netlink_unicast+0x449/0x710 [ 5515.453057][ T10] netlink_sendmsg+0x723/0xbe0 [ 5515.453057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5515.453057][ T10] ___sys_sendmsg+0xee/0x170 [ 5515.453057][ T10] __sys_sendmsg+0xcd/0x170 [ 5515.453057][ T10] do_syscall_64+0xc6/0x1e0 [ 5515.453057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5515.453057][ T10] [ 5517.193110][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5517.193613][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5517.193613][ T1167] dst_init+0x84/0x4a0 [ 5517.193613][ T1167] dst_alloc+0x97/0x150 [ 5517.193613][ T1167] ip6_dst_alloc+0x23/0x90 [ 5517.193613][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5517.193613][ T1167] ip6_pol_route+0x56f/0x840 [ 5517.193613][ T1167] fib6_rule_lookup+0x334/0x630 [ 5517.193613][ T1167] ip6_route_output_flags+0x259/0x480 [ 5517.193613][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5517.193613][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5517.193613][ T1167] netlink_rcv_skb+0x130/0x360 [ 5517.193613][ T1167] netlink_unicast+0x449/0x710 [ 5517.193613][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5517.193613][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5517.193613][ T1167] ___sys_sendmsg+0xee/0x170 [ 5517.193613][ T1167] __sys_sendmsg+0xcd/0x170 [ 5517.193613][ T1167] do_syscall_64+0xc6/0x1e0 [ 5517.193613][ T1167] [ 5517.195851][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5517.195851][ T1167] netdev_get_by_index+0x5e/0x80 [ 5517.195851][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5517.195851][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5517.195851][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5517.195851][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5517.195851][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5517.195851][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5517.195851][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5517.195851][ T1167] addrconf_dad_begin+0x310/0x670 [ 5517.195851][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5517.195851][ T1167] process_one_work+0x84d/0x18a0 [ 5517.195851][ T1167] worker_thread+0x587/0xd30 [ 5517.195851][ T1167] kthread+0x28a/0x350 [ 5517.195851][ T1167] ret_from_fork+0x31/0x70 [ 5517.195851][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5517.195851][ T1167] [ 5517.198032][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5517.198032][ T1167] netdev_get_by_index+0x5e/0x80 [ 5517.198032][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5517.198032][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5517.198032][ T1167] ip6_route_add+0x1c/0x140 [ 5517.198032][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5517.198032][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5517.198032][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5517.198032][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5517.198032][ T1167] netlink_rcv_skb+0x130/0x360 [ 5517.198032][ T1167] netlink_unicast+0x449/0x710 [ 5517.198032][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5517.198032][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5517.198032][ T1167] ___sys_sendmsg+0xee/0x170 [ 5517.198032][ T1167] __sys_sendmsg+0xcd/0x170 [ 5517.198032][ T1167] do_syscall_64+0xc6/0x1e0 [ 5517.198032][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5517.198032][ T1167] [ 5517.200285][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5517.200285][ T1167] netdev_get_by_index+0x5e/0x80 [ 5517.200285][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5517.200285][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5517.200285][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5517.200285][ T1167] ipv6_add_addr+0x411/0x2000 [ 5517.200285][ T1167] inet6_addr_add+0x30e/0xa40 [ 5517.200285][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5517.200285][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5517.200285][ T1167] netlink_rcv_skb+0x130/0x360 [ 5517.200285][ T1167] netlink_unicast+0x449/0x710 [ 5517.200285][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5517.200285][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5517.200285][ T1167] ___sys_sendmsg+0xee/0x170 [ 5517.200285][ T1167] __sys_sendmsg+0xcd/0x170 [ 5517.200285][ T1167] do_syscall_64+0xc6/0x1e0 [ 5517.200285][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5517.200285][ T1167] [ 5517.202558][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5517.202558][ T1167] netdev_get_by_index+0x5e/0x80 [ 5517.202558][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5517.202558][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5517.202558][ T1167] ip6_route_add+0x1c/0x140 [ 5517.202558][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5517.202558][ T1167] addrconf_add_dev+0xe2/0x170 [ 5517.202558][ T1167] inet6_addr_add+0x12f/0xa40 [ 5517.202558][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5517.202558][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5517.202558][ T1167] netlink_rcv_skb+0x130/0x360 [ 5517.202558][ T1167] netlink_unicast+0x449/0x710 [ 5517.202558][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5517.202558][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5517.202558][ T1167] ___sys_sendmsg+0xee/0x170 [ 5517.202558][ T1167] __sys_sendmsg+0xcd/0x170 [ 5517.202558][ T1167] do_syscall_64+0xc6/0x1e0 [ 5517.202558][ T1167] [ 5517.204780][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5517.204780][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5517.204780][ T1167] ipv6_find_idev+0x102/0x170 [ 5517.204780][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5517.204780][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5517.204780][ T1167] netlink_rcv_skb+0x130/0x360 [ 5517.204780][ T1167] netlink_unicast+0x449/0x710 [ 5517.204780][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5517.204780][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5517.204780][ T1167] ___sys_sendmsg+0xee/0x170 [ 5517.204780][ T1167] __sys_sendmsg+0xcd/0x170 [ 5517.204780][ T1167] do_syscall_64+0xc6/0x1e0 [ 5517.204780][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5517.204780][ T1167] [ 5517.206510][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5517.206510][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5517.206510][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5517.206510][ T1167] ipv6_find_idev+0x102/0x170 [ 5517.206510][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5517.206510][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5517.206510][ T1167] netlink_rcv_skb+0x130/0x360 [ 5517.206510][ T1167] netlink_unicast+0x449/0x710 [ 5517.206510][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5517.206510][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5517.206510][ T1167] ___sys_sendmsg+0xee/0x170 [ 5517.206510][ T1167] __sys_sendmsg+0xcd/0x170 [ 5517.206510][ T1167] do_syscall_64+0xc6/0x1e0 [ 5517.206510][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5517.206510][ T1167] [ 5525.697103][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5525.697551][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5525.697551][ T10] netdev_get_by_index+0x5e/0x80 [ 5525.697551][ T10] fib6_nh_init+0x3d8/0x1580 [ 5525.697551][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5525.697551][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5525.697551][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5525.697551][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5525.697551][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5525.697551][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5525.697551][ T10] addrconf_dad_begin+0x310/0x670 [ 5525.697551][ T10] addrconf_dad_work+0x10b/0xab0 [ 5525.697551][ T10] process_one_work+0x84d/0x18a0 [ 5525.697551][ T10] worker_thread+0x587/0xd30 [ 5525.697551][ T10] kthread+0x28a/0x350 [ 5525.697551][ T10] ret_from_fork+0x31/0x70 [ 5525.697551][ T10] ret_from_fork_asm+0x1a/0x30 [ 5525.697551][ T10] [ 5525.699774][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5525.699774][ T10] netdev_get_by_index+0x5e/0x80 [ 5525.699774][ T10] fib6_nh_init+0x3d8/0x1580 [ 5525.699774][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5525.699774][ T10] ip6_route_add+0x1c/0x140 [ 5525.699774][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5525.699774][ T10] inet6_addr_add+0x4f8/0xa40 [ 5525.699774][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5525.699774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.699774][ T10] netlink_rcv_skb+0x130/0x360 [ 5525.699774][ T10] netlink_unicast+0x449/0x710 [ 5525.699774][ T10] netlink_sendmsg+0x723/0xbe0 [ 5525.699774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5525.699774][ T10] ___sys_sendmsg+0xee/0x170 [ 5525.699774][ T10] __sys_sendmsg+0xcd/0x170 [ 5525.699774][ T10] do_syscall_64+0xc6/0x1e0 [ 5525.699774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.699774][ T10] [ 5525.702036][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5525.702036][ T10] netdev_get_by_index+0x5e/0x80 [ 5525.702036][ T10] fib6_nh_init+0x3d8/0x1580 [ 5525.702036][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5525.702036][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5525.702036][ T10] ipv6_add_addr+0x411/0x2000 [ 5525.702036][ T10] inet6_addr_add+0x30e/0xa40 [ 5525.702036][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5525.702036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.702036][ T10] netlink_rcv_skb+0x130/0x360 [ 5525.702036][ T10] netlink_unicast+0x449/0x710 [ 5525.702036][ T10] netlink_sendmsg+0x723/0xbe0 [ 5525.702036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5525.702036][ T10] ___sys_sendmsg+0xee/0x170 [ 5525.702036][ T10] __sys_sendmsg+0xcd/0x170 [ 5525.702036][ T10] do_syscall_64+0xc6/0x1e0 [ 5525.702036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.702036][ T10] [ 5525.704298][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5525.704298][ T10] netdev_get_by_index+0x5e/0x80 [ 5525.704298][ T10] fib6_nh_init+0x3d8/0x1580 [ 5525.704298][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5525.704298][ T10] ip6_route_add+0x1c/0x140 [ 5525.704298][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5525.704298][ T10] addrconf_add_dev+0xe2/0x170 [ 5525.704298][ T10] inet6_addr_add+0x12f/0xa40 [ 5525.704298][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5525.704298][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.704298][ T10] netlink_rcv_skb+0x130/0x360 [ 5525.704298][ T10] netlink_unicast+0x449/0x710 [ 5525.704298][ T10] netlink_sendmsg+0x723/0xbe0 [ 5525.704298][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5525.704298][ T10] ___sys_sendmsg+0xee/0x170 [ 5525.704298][ T10] __sys_sendmsg+0xcd/0x170 [ 5525.704298][ T10] do_syscall_64+0xc6/0x1e0 [ 5525.704298][ T10] [ 5525.706511][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5525.706511][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5525.706511][ T10] ipv6_find_idev+0x102/0x170 [ 5525.706511][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5525.706511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.706511][ T10] netlink_rcv_skb+0x130/0x360 [ 5525.706511][ T10] netlink_unicast+0x449/0x710 [ 5525.706511][ T10] netlink_sendmsg+0x723/0xbe0 [ 5525.706511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5525.706511][ T10] ___sys_sendmsg+0xee/0x170 [ 5525.706511][ T10] __sys_sendmsg+0xcd/0x170 [ 5525.706511][ T10] do_syscall_64+0xc6/0x1e0 [ 5525.706511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.706511][ T10] [ 5525.708252][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5525.708252][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5525.708252][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5525.708252][ T10] ipv6_find_idev+0x102/0x170 [ 5525.708252][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5525.708252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.708252][ T10] netlink_rcv_skb+0x130/0x360 [ 5525.708252][ T10] netlink_unicast+0x449/0x710 [ 5525.708252][ T10] netlink_sendmsg+0x723/0xbe0 [ 5525.708252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5525.708252][ T10] ___sys_sendmsg+0xee/0x170 [ 5525.708252][ T10] __sys_sendmsg+0xcd/0x170 [ 5525.708252][ T10] do_syscall_64+0xc6/0x1e0 [ 5525.708252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.708252][ T10] [ 5525.710146][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5525.710407][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5525.710407][ T10] netdev_get_by_index+0x5e/0x80 [ 5525.710407][ T10] fib6_nh_init+0x3d8/0x1580 [ 5525.710407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5525.710407][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5525.710407][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5525.710407][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5525.710407][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5525.710407][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5525.710407][ T10] addrconf_dad_begin+0x310/0x670 [ 5525.710407][ T10] addrconf_dad_work+0x10b/0xab0 [ 5525.710407][ T10] process_one_work+0x84d/0x18a0 [ 5525.710407][ T10] worker_thread+0x587/0xd30 [ 5525.710407][ T10] kthread+0x28a/0x350 [ 5525.710407][ T10] ret_from_fork+0x31/0x70 [ 5525.710407][ T10] ret_from_fork_asm+0x1a/0x30 [ 5525.710407][ T10] [ 5525.712554][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5525.712554][ T10] netdev_get_by_index+0x5e/0x80 [ 5525.712554][ T10] fib6_nh_init+0x3d8/0x1580 [ 5525.712554][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5525.712554][ T10] ip6_route_add+0x1c/0x140 [ 5525.712554][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5525.712554][ T10] inet6_addr_add+0x4f8/0xa40 [ 5525.712554][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5525.712554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.712554][ T10] netlink_rcv_skb+0x130/0x360 [ 5525.712554][ T10] netlink_unicast+0x449/0x710 [ 5525.712554][ T10] netlink_sendmsg+0x723/0xbe0 [ 5525.712554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5525.712554][ T10] ___sys_sendmsg+0xee/0x170 [ 5525.712554][ T10] __sys_sendmsg+0xcd/0x170 [ 5525.712554][ T10] do_syscall_64+0xc6/0x1e0 [ 5525.712554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.712554][ T10] [ 5525.714817][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5525.714817][ T10] netdev_get_by_index+0x5e/0x80 [ 5525.714817][ T10] fib6_nh_init+0x3d8/0x1580 [ 5525.714817][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5525.714817][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5525.714817][ T10] ipv6_add_addr+0x411/0x2000 [ 5525.714817][ T10] inet6_addr_add+0x30e/0xa40 [ 5525.714817][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5525.714817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.714817][ T10] netlink_rcv_skb+0x130/0x360 [ 5525.714817][ T10] netlink_unicast+0x449/0x710 [ 5525.714817][ T10] netlink_sendmsg+0x723/0xbe0 [ 5525.714817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5525.714817][ T10] ___sys_sendmsg+0xee/0x170 [ 5525.714817][ T10] __sys_sendmsg+0xcd/0x170 [ 5525.714817][ T10] do_syscall_64+0xc6/0x1e0 [ 5525.714817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.714817][ T10] [ 5525.717083][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5525.717083][ T10] netdev_get_by_index+0x5e/0x80 [ 5525.717083][ T10] fib6_nh_init+0x3d8/0x1580 [ 5525.717083][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5525.717083][ T10] ip6_route_add+0x1c/0x140 [ 5525.717083][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5525.717083][ T10] addrconf_add_dev+0xe2/0x170 [ 5525.717083][ T10] inet6_addr_add+0x12f/0xa40 [ 5525.717083][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5525.717083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.717083][ T10] netlink_rcv_skb+0x130/0x360 [ 5525.717083][ T10] netlink_unicast+0x449/0x710 [ 5525.717083][ T10] netlink_sendmsg+0x723/0xbe0 [ 5525.717083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5525.717083][ T10] ___sys_sendmsg+0xee/0x170 [ 5525.717083][ T10] __sys_sendmsg+0xcd/0x170 [ 5525.717083][ T10] do_syscall_64+0xc6/0x1e0 [ 5525.717083][ T10] [ 5525.719281][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5525.719281][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5525.719281][ T10] ipv6_find_idev+0x102/0x170 [ 5525.719281][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5525.719281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.719281][ T10] netlink_rcv_skb+0x130/0x360 [ 5525.719281][ T10] netlink_unicast+0x449/0x710 [ 5525.719281][ T10] netlink_sendmsg+0x723/0xbe0 [ 5525.719281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5525.719281][ T10] ___sys_sendmsg+0xee/0x170 [ 5525.719281][ T10] __sys_sendmsg+0xcd/0x170 [ 5525.719281][ T10] do_syscall_64+0xc6/0x1e0 [ 5525.719281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.719281][ T10] [ 5525.720997][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5525.720997][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5525.720997][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5525.720997][ T10] ipv6_find_idev+0x102/0x170 [ 5525.720997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5525.720997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.720997][ T10] netlink_rcv_skb+0x130/0x360 [ 5525.720997][ T10] netlink_unicast+0x449/0x710 [ 5525.720997][ T10] netlink_sendmsg+0x723/0xbe0 [ 5525.720997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5525.720997][ T10] ___sys_sendmsg+0xee/0x170 [ 5525.720997][ T10] __sys_sendmsg+0xcd/0x170 [ 5525.720997][ T10] do_syscall_64+0xc6/0x1e0 [ 5525.720997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.720997][ T10] [ 5525.722892][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5525.723172][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5525.723172][ T10] netdev_get_by_index+0x5e/0x80 [ 5525.723172][ T10] fib6_nh_init+0x3d8/0x1580 [ 5525.723172][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5525.723172][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5525.723172][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5525.723172][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5525.723172][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5525.723172][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5525.723172][ T10] addrconf_dad_begin+0x310/0x670 [ 5525.723172][ T10] addrconf_dad_work+0x10b/0xab0 [ 5525.723172][ T10] process_one_work+0x84d/0x18a0 [ 5525.723172][ T10] worker_thread+0x587/0xd30 [ 5525.723172][ T10] kthread+0x28a/0x350 [ 5525.723172][ T10] ret_from_fork+0x31/0x70 [ 5525.723172][ T10] ret_from_fork_asm+0x1a/0x30 [ 5525.723172][ T10] [ 5525.725320][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5525.725320][ T10] netdev_get_by_index+0x5e/0x80 [ 5525.725320][ T10] fib6_nh_init+0x3d8/0x1580 [ 5525.725320][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5525.725320][ T10] ip6_route_add+0x1c/0x140 [ 5525.725320][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5525.725320][ T10] inet6_addr_add+0x4f8/0xa40 [ 5525.725320][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5525.725320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.725320][ T10] netlink_rcv_skb+0x130/0x360 [ 5525.725320][ T10] netlink_unicast+0x449/0x710 [ 5525.725320][ T10] netlink_sendmsg+0x723/0xbe0 [ 5525.725320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5525.725320][ T10] ___sys_sendmsg+0xee/0x170 [ 5525.725320][ T10] __sys_sendmsg+0xcd/0x170 [ 5525.725320][ T10] do_syscall_64+0xc6/0x1e0 [ 5525.725320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.725320][ T10] [ 5525.727717][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5525.727717][ T10] netdev_get_by_index+0x5e/0x80 [ 5525.727717][ T10] fib6_nh_init+0x3d8/0x1580 [ 5525.727717][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5525.727717][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5525.727717][ T10] ipv6_add_addr+0x411/0x2000 [ 5525.727717][ T10] inet6_addr_add+0x30e/0xa40 [ 5525.727717][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5525.727717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.727717][ T10] netlink_rcv_skb+0x130/0x360 [ 5525.727717][ T10] netlink_unicast+0x449/0x710 [ 5525.727717][ T10] netlink_sendmsg+0x723/0xbe0 [ 5525.727717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5525.727717][ T10] ___sys_sendmsg+0xee/0x170 [ 5525.727717][ T10] __sys_sendmsg+0xcd/0x170 [ 5525.727717][ T10] do_syscall_64+0xc6/0x1e0 [ 5525.727717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.727717][ T10] [ 5525.730102][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5525.730102][ T10] netdev_get_by_index+0x5e/0x80 [ 5525.730102][ T10] fib6_nh_init+0x3d8/0x1580 [ 5525.730102][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5525.730102][ T10] ip6_route_add+0x1c/0x140 [ 5525.730102][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5525.730102][ T10] addrconf_add_dev+0xe2/0x170 [ 5525.730102][ T10] inet6_addr_add+0x12f/0xa40 [ 5525.730102][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5525.730102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.730102][ T10] netlink_rcv_skb+0x130/0x360 [ 5525.730102][ T10] netlink_unicast+0x449/0x710 [ 5525.730102][ T10] netlink_sendmsg+0x723/0xbe0 [ 5525.730102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5525.730102][ T10] ___sys_sendmsg+0xee/0x170 [ 5525.730102][ T10] __sys_sendmsg+0xcd/0x170 [ 5525.730102][ T10] do_syscall_64+0xc6/0x1e0 [ 5525.730102][ T10] [ 5525.732467][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5525.732467][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5525.732467][ T10] ipv6_find_idev+0x102/0x170 [ 5525.732467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5525.732467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.732467][ T10] netlink_rcv_skb+0x130/0x360 [ 5525.732467][ T10] netlink_unicast+0x449/0x710 [ 5525.732467][ T10] netlink_sendmsg+0x723/0xbe0 [ 5525.732467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5525.732467][ T10] ___sys_sendmsg+0xee/0x170 [ 5525.732467][ T10] __sys_sendmsg+0xcd/0x170 [ 5525.732467][ T10] do_syscall_64+0xc6/0x1e0 [ 5525.732467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.732467][ T10] [ 5525.734273][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5525.734273][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5525.734273][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5525.734273][ T10] ipv6_find_idev+0x102/0x170 [ 5525.734273][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5525.734273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.734273][ T10] netlink_rcv_skb+0x130/0x360 [ 5525.734273][ T10] netlink_unicast+0x449/0x710 [ 5525.734273][ T10] netlink_sendmsg+0x723/0xbe0 [ 5525.734273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5525.734273][ T10] ___sys_sendmsg+0xee/0x170 [ 5525.734273][ T10] __sys_sendmsg+0xcd/0x170 [ 5525.734273][ T10] do_syscall_64+0xc6/0x1e0 [ 5525.734273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.734273][ T10] [ 5525.736392][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5525.736650][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5525.736650][ T10] netdev_get_by_index+0x5e/0x80 [ 5525.736650][ T10] fib6_nh_init+0x3d8/0x1580 [ 5525.736650][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5525.736650][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5525.736650][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5525.736650][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5525.736650][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5525.736650][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5525.736650][ T10] addrconf_dad_begin+0x310/0x670 [ 5525.736650][ T10] addrconf_dad_work+0x10b/0xab0 [ 5525.736650][ T10] process_one_work+0x84d/0x18a0 [ 5525.736650][ T10] worker_thread+0x587/0xd30 [ 5525.736650][ T10] kthread+0x28a/0x350 [ 5525.736650][ T10] ret_from_fork+0x31/0x70 [ 5525.736650][ T10] ret_from_fork_asm+0x1a/0x30 [ 5525.736650][ T10] [ 5525.738943][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5525.738943][ T10] netdev_get_by_index+0x5e/0x80 [ 5525.738943][ T10] fib6_nh_init+0x3d8/0x1580 [ 5525.738943][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5525.738943][ T10] ip6_route_add+0x1c/0x140 [ 5525.738943][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5525.738943][ T10] inet6_addr_add+0x4f8/0xa40 [ 5525.738943][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5525.738943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.738943][ T10] netlink_rcv_skb+0x130/0x360 [ 5525.738943][ T10] netlink_unicast+0x449/0x710 [ 5525.738943][ T10] netlink_sendmsg+0x723/0xbe0 [ 5525.738943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5525.738943][ T10] ___sys_sendmsg+0xee/0x170 [ 5525.738943][ T10] __sys_sendmsg+0xcd/0x170 [ 5525.738943][ T10] do_syscall_64+0xc6/0x1e0 [ 5525.738943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.738943][ T10] [ 5525.741326][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5525.741326][ T10] netdev_get_by_index+0x5e/0x80 [ 5525.741326][ T10] fib6_nh_init+0x3d8/0x1580 [ 5525.741326][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5525.741326][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5525.741326][ T10] ipv6_add_addr+0x411/0x2000 [ 5525.741326][ T10] inet6_addr_add+0x30e/0xa40 [ 5525.741326][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5525.741326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.741326][ T10] netlink_rcv_skb+0x130/0x360 [ 5525.741326][ T10] netlink_unicast+0x449/0x710 [ 5525.741326][ T10] netlink_sendmsg+0x723/0xbe0 [ 5525.741326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5525.741326][ T10] ___sys_sendmsg+0xee/0x170 [ 5525.741326][ T10] __sys_sendmsg+0xcd/0x170 [ 5525.741326][ T10] do_syscall_64+0xc6/0x1e0 [ 5525.741326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.741326][ T10] [ 5525.743727][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5525.743727][ T10] netdev_get_by_index+0x5e/0x80 [ 5525.743727][ T10] fib6_nh_init+0x3d8/0x1580 [ 5525.743727][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5525.743727][ T10] ip6_route_add+0x1c/0x140 [ 5525.743727][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5525.743727][ T10] addrconf_add_dev+0xe2/0x170 [ 5525.743727][ T10] inet6_addr_add+0x12f/0xa40 [ 5525.743727][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5525.743727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.743727][ T10] netlink_rcv_skb+0x130/0x360 [ 5525.743727][ T10] netlink_unicast+0x449/0x710 [ 5525.743727][ T10] netlink_sendmsg+0x723/0xbe0 [ 5525.743727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5525.743727][ T10] ___sys_sendmsg+0xee/0x170 [ 5525.743727][ T10] __sys_sendmsg+0xcd/0x170 [ 5525.743727][ T10] do_syscall_64+0xc6/0x1e0 [ 5525.743727][ T10] [ 5525.746081][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5525.746081][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5525.746081][ T10] ipv6_find_idev+0x102/0x170 [ 5525.746081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5525.746081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.746081][ T10] netlink_rcv_skb+0x130/0x360 [ 5525.746081][ T10] netlink_unicast+0x449/0x710 [ 5525.746081][ T10] netlink_sendmsg+0x723/0xbe0 [ 5525.746081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5525.746081][ T10] ___sys_sendmsg+0xee/0x170 [ 5525.746081][ T10] __sys_sendmsg+0xcd/0x170 [ 5525.746081][ T10] do_syscall_64+0xc6/0x1e0 [ 5525.746081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.746081][ T10] [ 5525.747880][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5525.747880][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5525.747880][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5525.747880][ T10] ipv6_find_idev+0x102/0x170 [ 5525.747880][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5525.747880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5525.747880][ T10] netlink_rcv_skb+0x130/0x360 [ 5525.747880][ T10] netlink_unicast+0x449/0x710 [ 5525.747880][ T10] netlink_sendmsg+0x723/0xbe0 [ 5525.747880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5525.747880][ T10] ___sys_sendmsg+0xee/0x170 [ 5525.747880][ T10] __sys_sendmsg+0xcd/0x170 [ 5525.747880][ T10] do_syscall_64+0xc6/0x1e0 [ 5525.747880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5525.747880][ T10] [ 5527.289120][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5527.289616][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5527.289616][ T1167] dst_init+0x84/0x4a0 [ 5527.289616][ T1167] dst_alloc+0x97/0x150 [ 5527.289616][ T1167] ip6_dst_alloc+0x23/0x90 [ 5527.289616][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5527.289616][ T1167] ip6_pol_route+0x56f/0x840 [ 5527.289616][ T1167] fib6_rule_lookup+0x334/0x630 [ 5527.289616][ T1167] ip6_route_output_flags+0x259/0x480 [ 5527.289616][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5527.289616][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5527.289616][ T1167] netlink_rcv_skb+0x130/0x360 [ 5527.289616][ T1167] netlink_unicast+0x449/0x710 [ 5527.289616][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5527.289616][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5527.289616][ T1167] ___sys_sendmsg+0xee/0x170 [ 5527.289616][ T1167] __sys_sendmsg+0xcd/0x170 [ 5527.289616][ T1167] do_syscall_64+0xc6/0x1e0 [ 5527.289616][ T1167] [ 5527.291858][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5527.291858][ T1167] netdev_get_by_index+0x5e/0x80 [ 5527.291858][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5527.291858][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5527.291858][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5527.291858][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5527.291858][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5527.291858][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5527.291858][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5527.291858][ T1167] addrconf_dad_begin+0x310/0x670 [ 5527.291858][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5527.291858][ T1167] process_one_work+0x84d/0x18a0 [ 5527.291858][ T1167] worker_thread+0x587/0xd30 [ 5527.291858][ T1167] kthread+0x28a/0x350 [ 5527.291858][ T1167] ret_from_fork+0x31/0x70 [ 5527.291858][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5527.291858][ T1167] [ 5527.294043][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5527.294043][ T1167] netdev_get_by_index+0x5e/0x80 [ 5527.294043][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5527.294043][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5527.294043][ T1167] ip6_route_add+0x1c/0x140 [ 5527.294043][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5527.294043][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5527.294043][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5527.294043][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5527.294043][ T1167] netlink_rcv_skb+0x130/0x360 [ 5527.294043][ T1167] netlink_unicast+0x449/0x710 [ 5527.294043][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5527.294043][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5527.294043][ T1167] ___sys_sendmsg+0xee/0x170 [ 5527.294043][ T1167] __sys_sendmsg+0xcd/0x170 [ 5527.294043][ T1167] do_syscall_64+0xc6/0x1e0 [ 5527.294043][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5527.294043][ T1167] [ 5527.296326][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5527.296326][ T1167] netdev_get_by_index+0x5e/0x80 [ 5527.296326][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5527.296326][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5527.296326][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5527.296326][ T1167] ipv6_add_addr+0x411/0x2000 [ 5527.296326][ T1167] inet6_addr_add+0x30e/0xa40 [ 5527.296326][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5527.296326][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5527.296326][ T1167] netlink_rcv_skb+0x130/0x360 [ 5527.296326][ T1167] netlink_unicast+0x449/0x710 [ 5527.296326][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5527.296326][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5527.296326][ T1167] ___sys_sendmsg+0xee/0x170 [ 5527.296326][ T1167] __sys_sendmsg+0xcd/0x170 [ 5527.296326][ T1167] do_syscall_64+0xc6/0x1e0 [ 5527.296326][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5527.296326][ T1167] [ 5527.298588][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5527.298588][ T1167] netdev_get_by_index+0x5e/0x80 [ 5527.298588][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5527.298588][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5527.298588][ T1167] ip6_route_add+0x1c/0x140 [ 5527.298588][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5527.298588][ T1167] addrconf_add_dev+0xe2/0x170 [ 5527.298588][ T1167] inet6_addr_add+0x12f/0xa40 [ 5527.298588][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5527.298588][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5527.298588][ T1167] netlink_rcv_skb+0x130/0x360 [ 5527.298588][ T1167] netlink_unicast+0x449/0x710 [ 5527.298588][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5527.298588][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5527.298588][ T1167] ___sys_sendmsg+0xee/0x170 [ 5527.298588][ T1167] __sys_sendmsg+0xcd/0x170 [ 5527.298588][ T1167] do_syscall_64+0xc6/0x1e0 [ 5527.298588][ T1167] [ 5527.300834][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5527.300834][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5527.300834][ T1167] ipv6_find_idev+0x102/0x170 [ 5527.300834][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5527.300834][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5527.300834][ T1167] netlink_rcv_skb+0x130/0x360 [ 5527.300834][ T1167] netlink_unicast+0x449/0x710 [ 5527.300834][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5527.300834][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5527.300834][ T1167] ___sys_sendmsg+0xee/0x170 [ 5527.300834][ T1167] __sys_sendmsg+0xcd/0x170 [ 5527.300834][ T1167] do_syscall_64+0xc6/0x1e0 [ 5527.300834][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5527.300834][ T1167] [ 5527.302596][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5527.302596][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5527.302596][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5527.302596][ T1167] ipv6_find_idev+0x102/0x170 [ 5527.302596][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5527.302596][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5527.302596][ T1167] netlink_rcv_skb+0x130/0x360 [ 5527.302596][ T1167] netlink_unicast+0x449/0x710 [ 5527.302596][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5527.302596][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5527.302596][ T1167] ___sys_sendmsg+0xee/0x170 [ 5527.302596][ T1167] __sys_sendmsg+0xcd/0x170 [ 5527.302596][ T1167] do_syscall_64+0xc6/0x1e0 [ 5527.302596][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5527.302596][ T1167] [ 5535.993109][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5535.993546][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5535.993546][ T10] netdev_get_by_index+0x5e/0x80 [ 5535.993546][ T10] fib6_nh_init+0x3d8/0x1580 [ 5535.993546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5535.993546][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5535.993546][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5535.993546][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5535.993546][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5535.993546][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5535.993546][ T10] addrconf_dad_begin+0x310/0x670 [ 5535.993546][ T10] addrconf_dad_work+0x10b/0xab0 [ 5535.993546][ T10] process_one_work+0x84d/0x18a0 [ 5535.993546][ T10] worker_thread+0x587/0xd30 [ 5535.993546][ T10] kthread+0x28a/0x350 [ 5535.993546][ T10] ret_from_fork+0x31/0x70 [ 5535.993546][ T10] ret_from_fork_asm+0x1a/0x30 [ 5535.993546][ T10] [ 5535.995516][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5535.995516][ T10] netdev_get_by_index+0x5e/0x80 [ 5535.995516][ T10] fib6_nh_init+0x3d8/0x1580 [ 5535.995516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5535.995516][ T10] ip6_route_add+0x1c/0x140 [ 5535.995516][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5535.995516][ T10] inet6_addr_add+0x4f8/0xa40 [ 5535.995516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5535.995516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5535.995516][ T10] netlink_rcv_skb+0x130/0x360 [ 5535.995516][ T10] netlink_unicast+0x449/0x710 [ 5535.995516][ T10] netlink_sendmsg+0x723/0xbe0 [ 5535.995516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5535.995516][ T10] ___sys_sendmsg+0xee/0x170 [ 5535.995516][ T10] __sys_sendmsg+0xcd/0x170 [ 5535.995516][ T10] do_syscall_64+0xc6/0x1e0 [ 5535.995516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5535.995516][ T10] [ 5535.997563][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5535.997563][ T10] netdev_get_by_index+0x5e/0x80 [ 5535.997563][ T10] fib6_nh_init+0x3d8/0x1580 [ 5535.997563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5535.997563][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5535.997563][ T10] ipv6_add_addr+0x411/0x2000 [ 5535.997563][ T10] inet6_addr_add+0x30e/0xa40 [ 5535.997563][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5535.997563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5535.997563][ T10] netlink_rcv_skb+0x130/0x360 [ 5535.997563][ T10] netlink_unicast+0x449/0x710 [ 5535.997563][ T10] netlink_sendmsg+0x723/0xbe0 [ 5535.997563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5535.997563][ T10] ___sys_sendmsg+0xee/0x170 [ 5535.997563][ T10] __sys_sendmsg+0xcd/0x170 [ 5535.997563][ T10] do_syscall_64+0xc6/0x1e0 [ 5535.997563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5535.997563][ T10] [ 5535.999595][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5535.999595][ T10] netdev_get_by_index+0x5e/0x80 [ 5535.999595][ T10] fib6_nh_init+0x3d8/0x1580 [ 5535.999595][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5535.999595][ T10] ip6_route_add+0x1c/0x140 [ 5535.999595][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5535.999595][ T10] addrconf_add_dev+0xe2/0x170 [ 5535.999595][ T10] inet6_addr_add+0x12f/0xa40 [ 5535.999595][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5535.999595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5535.999595][ T10] netlink_rcv_skb+0x130/0x360 [ 5535.999595][ T10] netlink_unicast+0x449/0x710 [ 5535.999595][ T10] netlink_sendmsg+0x723/0xbe0 [ 5535.999595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5535.999595][ T10] ___sys_sendmsg+0xee/0x170 [ 5535.999595][ T10] __sys_sendmsg+0xcd/0x170 [ 5535.999595][ T10] do_syscall_64+0xc6/0x1e0 [ 5535.999595][ T10] [ 5536.001580][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5536.001580][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5536.001580][ T10] ipv6_find_idev+0x102/0x170 [ 5536.001580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5536.001580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5536.001580][ T10] netlink_rcv_skb+0x130/0x360 [ 5536.001580][ T10] netlink_unicast+0x449/0x710 [ 5536.001580][ T10] netlink_sendmsg+0x723/0xbe0 [ 5536.001580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5536.001580][ T10] ___sys_sendmsg+0xee/0x170 [ 5536.001580][ T10] __sys_sendmsg+0xcd/0x170 [ 5536.001580][ T10] do_syscall_64+0xc6/0x1e0 [ 5536.001580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5536.001580][ T10] [ 5536.003150][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5536.003150][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5536.003150][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5536.003150][ T10] ipv6_find_idev+0x102/0x170 [ 5536.003150][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5536.003150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5536.003150][ T10] netlink_rcv_skb+0x130/0x360 [ 5536.003150][ T10] netlink_unicast+0x449/0x710 [ 5536.003150][ T10] netlink_sendmsg+0x723/0xbe0 [ 5536.003150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5536.003150][ T10] ___sys_sendmsg+0xee/0x170 [ 5536.003150][ T10] __sys_sendmsg+0xcd/0x170 [ 5536.003150][ T10] do_syscall_64+0xc6/0x1e0 [ 5536.003150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5536.003150][ T10] [ 5536.004872][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5536.005153][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5536.005153][ T10] netdev_get_by_index+0x5e/0x80 [ 5536.005153][ T10] fib6_nh_init+0x3d8/0x1580 [ 5536.005153][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5536.005153][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5536.005153][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5536.005153][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5536.005153][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5536.005153][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5536.005153][ T10] addrconf_dad_begin+0x310/0x670 [ 5536.005153][ T10] addrconf_dad_work+0x10b/0xab0 [ 5536.005153][ T10] process_one_work+0x84d/0x18a0 [ 5536.005153][ T10] worker_thread+0x587/0xd30 [ 5536.005153][ T10] kthread+0x28a/0x350 [ 5536.005153][ T10] ret_from_fork+0x31/0x70 [ 5536.005153][ T10] ret_from_fork_asm+0x1a/0x30 [ 5536.005153][ T10] [ 5536.007084][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5536.007084][ T10] netdev_get_by_index+0x5e/0x80 [ 5536.007084][ T10] fib6_nh_init+0x3d8/0x1580 [ 5536.007084][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5536.007084][ T10] ip6_route_add+0x1c/0x140 [ 5536.007084][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5536.007084][ T10] inet6_addr_add+0x4f8/0xa40 [ 5536.007084][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5536.007084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5536.007084][ T10] netlink_rcv_skb+0x130/0x360 [ 5536.007084][ T10] netlink_unicast+0x449/0x710 [ 5536.007084][ T10] netlink_sendmsg+0x723/0xbe0 [ 5536.007084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5536.007084][ T10] ___sys_sendmsg+0xee/0x170 [ 5536.007084][ T10] __sys_sendmsg+0xcd/0x170 [ 5536.007084][ T10] do_syscall_64+0xc6/0x1e0 [ 5536.007084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5536.007084][ T10] [ 5536.009115][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5536.009115][ T10] netdev_get_by_index+0x5e/0x80 [ 5536.009115][ T10] fib6_nh_init+0x3d8/0x1580 [ 5536.009115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5536.009115][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5536.009115][ T10] ipv6_add_addr+0x411/0x2000 [ 5536.009115][ T10] inet6_addr_add+0x30e/0xa40 [ 5536.009115][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5536.009115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5536.009115][ T10] netlink_rcv_skb+0x130/0x360 [ 5536.009115][ T10] netlink_unicast+0x449/0x710 [ 5536.009115][ T10] netlink_sendmsg+0x723/0xbe0 [ 5536.009115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5536.009115][ T10] ___sys_sendmsg+0xee/0x170 [ 5536.009115][ T10] __sys_sendmsg+0xcd/0x170 [ 5536.009115][ T10] do_syscall_64+0xc6/0x1e0 [ 5536.009115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5536.009115][ T10] [ 5536.011148][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5536.011148][ T10] netdev_get_by_index+0x5e/0x80 [ 5536.011148][ T10] fib6_nh_init+0x3d8/0x1580 [ 5536.011148][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5536.011148][ T10] ip6_route_add+0x1c/0x140 [ 5536.011148][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5536.011148][ T10] addrconf_add_dev+0xe2/0x170 [ 5536.011148][ T10] inet6_addr_add+0x12f/0xa40 [ 5536.011148][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5536.011148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5536.011148][ T10] netlink_rcv_skb+0x130/0x360 [ 5536.011148][ T10] netlink_unicast+0x449/0x710 [ 5536.011148][ T10] netlink_sendmsg+0x723/0xbe0 [ 5536.011148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5536.011148][ T10] ___sys_sendmsg+0xee/0x170 [ 5536.011148][ T10] __sys_sendmsg+0xcd/0x170 [ 5536.011148][ T10] do_syscall_64+0xc6/0x1e0 [ 5536.011148][ T10] [ 5536.013153][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5536.013153][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5536.013153][ T10] ipv6_find_idev+0x102/0x170 [ 5536.013153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5536.013153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5536.013153][ T10] netlink_rcv_skb+0x130/0x360 [ 5536.013153][ T10] netlink_unicast+0x449/0x710 [ 5536.013153][ T10] netlink_sendmsg+0x723/0xbe0 [ 5536.013153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5536.013153][ T10] ___sys_sendmsg+0xee/0x170 [ 5536.013153][ T10] __sys_sendmsg+0xcd/0x170 [ 5536.013153][ T10] do_syscall_64+0xc6/0x1e0 [ 5536.013153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5536.013153][ T10] [ 5536.014722][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5536.014722][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5536.014722][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5536.014722][ T10] ipv6_find_idev+0x102/0x170 [ 5536.014722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5536.014722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5536.014722][ T10] netlink_rcv_skb+0x130/0x360 [ 5536.014722][ T10] netlink_unicast+0x449/0x710 [ 5536.014722][ T10] netlink_sendmsg+0x723/0xbe0 [ 5536.014722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5536.014722][ T10] ___sys_sendmsg+0xee/0x170 [ 5536.014722][ T10] __sys_sendmsg+0xcd/0x170 [ 5536.014722][ T10] do_syscall_64+0xc6/0x1e0 [ 5536.014722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5536.014722][ T10] [ 5536.016435][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5536.016684][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5536.016684][ T10] netdev_get_by_index+0x5e/0x80 [ 5536.016684][ T10] fib6_nh_init+0x3d8/0x1580 [ 5536.016684][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5536.016684][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5536.016684][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5536.016684][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5536.016684][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5536.016684][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5536.016684][ T10] addrconf_dad_begin+0x310/0x670 [ 5536.016684][ T10] addrconf_dad_work+0x10b/0xab0 [ 5536.016684][ T10] process_one_work+0x84d/0x18a0 [ 5536.016684][ T10] worker_thread+0x587/0xd30 [ 5536.016684][ T10] kthread+0x28a/0x350 [ 5536.016684][ T10] ret_from_fork+0x31/0x70 [ 5536.016684][ T10] ret_from_fork_asm+0x1a/0x30 [ 5536.016684][ T10] [ 5536.018620][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5536.018620][ T10] netdev_get_by_index+0x5e/0x80 [ 5536.018620][ T10] fib6_nh_init+0x3d8/0x1580 [ 5536.018620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5536.018620][ T10] ip6_route_add+0x1c/0x140 [ 5536.018620][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5536.018620][ T10] inet6_addr_add+0x4f8/0xa40 [ 5536.018620][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5536.018620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5536.018620][ T10] netlink_rcv_skb+0x130/0x360 [ 5536.018620][ T10] netlink_unicast+0x449/0x710 [ 5536.018620][ T10] netlink_sendmsg+0x723/0xbe0 [ 5536.018620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5536.018620][ T10] ___sys_sendmsg+0xee/0x170 [ 5536.018620][ T10] __sys_sendmsg+0xcd/0x170 [ 5536.018620][ T10] do_syscall_64+0xc6/0x1e0 [ 5536.018620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5536.018620][ T10] [ 5536.020834][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5536.020834][ T10] netdev_get_by_index+0x5e/0x80 [ 5536.020834][ T10] fib6_nh_init+0x3d8/0x1580 [ 5536.020834][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5536.020834][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5536.020834][ T10] ipv6_add_addr+0x411/0x2000 [ 5536.020834][ T10] inet6_addr_add+0x30e/0xa40 [ 5536.020834][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5536.020834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5536.020834][ T10] netlink_rcv_skb+0x130/0x360 [ 5536.020834][ T10] netlink_unicast+0x449/0x710 [ 5536.020834][ T10] netlink_sendmsg+0x723/0xbe0 [ 5536.020834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5536.020834][ T10] ___sys_sendmsg+0xee/0x170 [ 5536.020834][ T10] __sys_sendmsg+0xcd/0x170 [ 5536.020834][ T10] do_syscall_64+0xc6/0x1e0 [ 5536.020834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5536.020834][ T10] [ 5536.023110][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5536.023110][ T10] netdev_get_by_index+0x5e/0x80 [ 5536.023110][ T10] fib6_nh_init+0x3d8/0x1580 [ 5536.023110][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5536.023110][ T10] ip6_route_add+0x1c/0x140 [ 5536.023110][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5536.023110][ T10] addrconf_add_dev+0xe2/0x170 [ 5536.023110][ T10] inet6_addr_add+0x12f/0xa40 [ 5536.023110][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5536.023110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5536.023110][ T10] netlink_rcv_skb+0x130/0x360 [ 5536.023110][ T10] netlink_unicast+0x449/0x710 [ 5536.023110][ T10] netlink_sendmsg+0x723/0xbe0 [ 5536.023110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5536.023110][ T10] ___sys_sendmsg+0xee/0x170 [ 5536.023110][ T10] __sys_sendmsg+0xcd/0x170 [ 5536.023110][ T10] do_syscall_64+0xc6/0x1e0 [ 5536.023110][ T10] [ 5536.025339][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5536.025339][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5536.025339][ T10] ipv6_find_idev+0x102/0x170 [ 5536.025339][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5536.025339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5536.025339][ T10] netlink_rcv_skb+0x130/0x360 [ 5536.025339][ T10] netlink_unicast+0x449/0x710 [ 5536.025339][ T10] netlink_sendmsg+0x723/0xbe0 [ 5536.025339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5536.025339][ T10] ___sys_sendmsg+0xee/0x170 [ 5536.025339][ T10] __sys_sendmsg+0xcd/0x170 [ 5536.025339][ T10] do_syscall_64+0xc6/0x1e0 [ 5536.025339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5536.025339][ T10] [ 5536.027092][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5536.027092][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5536.027092][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5536.027092][ T10] ipv6_find_idev+0x102/0x170 [ 5536.027092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5536.027092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5536.027092][ T10] netlink_rcv_skb+0x130/0x360 [ 5536.027092][ T10] netlink_unicast+0x449/0x710 [ 5536.027092][ T10] netlink_sendmsg+0x723/0xbe0 [ 5536.027092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5536.027092][ T10] ___sys_sendmsg+0xee/0x170 [ 5536.027092][ T10] __sys_sendmsg+0xcd/0x170 [ 5536.027092][ T10] do_syscall_64+0xc6/0x1e0 [ 5536.027092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5536.027092][ T10] [ 5536.029038][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5536.029273][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5536.029273][ T10] netdev_get_by_index+0x5e/0x80 [ 5536.029273][ T10] fib6_nh_init+0x3d8/0x1580 [ 5536.029273][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5536.029273][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5536.029273][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5536.029273][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5536.029273][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5536.029273][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5536.029273][ T10] addrconf_dad_begin+0x310/0x670 [ 5536.029273][ T10] addrconf_dad_work+0x10b/0xab0 [ 5536.029273][ T10] process_one_work+0x84d/0x18a0 [ 5536.029273][ T10] worker_thread+0x587/0xd30 [ 5536.029273][ T10] kthread+0x28a/0x350 [ 5536.029273][ T10] ret_from_fork+0x31/0x70 [ 5536.029273][ T10] ret_from_fork_asm+0x1a/0x30 [ 5536.029273][ T10] [ 5536.031467][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5536.031467][ T10] netdev_get_by_index+0x5e/0x80 [ 5536.031467][ T10] fib6_nh_init+0x3d8/0x1580 [ 5536.031467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5536.031467][ T10] ip6_route_add+0x1c/0x140 [ 5536.031467][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5536.031467][ T10] inet6_addr_add+0x4f8/0xa40 [ 5536.031467][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5536.031467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5536.031467][ T10] netlink_rcv_skb+0x130/0x360 [ 5536.031467][ T10] netlink_unicast+0x449/0x710 [ 5536.031467][ T10] netlink_sendmsg+0x723/0xbe0 [ 5536.031467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5536.031467][ T10] ___sys_sendmsg+0xee/0x170 [ 5536.031467][ T10] __sys_sendmsg+0xcd/0x170 [ 5536.031467][ T10] do_syscall_64+0xc6/0x1e0 [ 5536.031467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5536.031467][ T10] [ 5536.033741][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5536.033741][ T10] netdev_get_by_index+0x5e/0x80 [ 5536.033741][ T10] fib6_nh_init+0x3d8/0x1580 [ 5536.033741][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5536.033741][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5536.033741][ T10] ipv6_add_addr+0x411/0x2000 [ 5536.033741][ T10] inet6_addr_add+0x30e/0xa40 [ 5536.033741][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5536.033741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5536.033741][ T10] netlink_rcv_skb+0x130/0x360 [ 5536.033741][ T10] netlink_unicast+0x449/0x710 [ 5536.033741][ T10] netlink_sendmsg+0x723/0xbe0 [ 5536.033741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5536.033741][ T10] ___sys_sendmsg+0xee/0x170 [ 5536.033741][ T10] __sys_sendmsg+0xcd/0x170 [ 5536.033741][ T10] do_syscall_64+0xc6/0x1e0 [ 5536.033741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5536.033741][ T10] [ 5536.036026][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5536.036026][ T10] netdev_get_by_index+0x5e/0x80 [ 5536.036026][ T10] fib6_nh_init+0x3d8/0x1580 [ 5536.036026][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5536.036026][ T10] ip6_route_add+0x1c/0x140 [ 5536.036026][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5536.036026][ T10] addrconf_add_dev+0xe2/0x170 [ 5536.036026][ T10] inet6_addr_add+0x12f/0xa40 [ 5536.036026][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5536.036026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5536.036026][ T10] netlink_rcv_skb+0x130/0x360 [ 5536.036026][ T10] netlink_unicast+0x449/0x710 [ 5536.036026][ T10] netlink_sendmsg+0x723/0xbe0 [ 5536.036026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5536.036026][ T10] ___sys_sendmsg+0xee/0x170 [ 5536.036026][ T10] __sys_sendmsg+0xcd/0x170 [ 5536.036026][ T10] do_syscall_64+0xc6/0x1e0 [ 5536.036026][ T10] [ 5536.038252][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5536.038252][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5536.038252][ T10] ipv6_find_idev+0x102/0x170 [ 5536.038252][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5536.038252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5536.038252][ T10] netlink_rcv_skb+0x130/0x360 [ 5536.038252][ T10] netlink_unicast+0x449/0x710 [ 5536.038252][ T10] netlink_sendmsg+0x723/0xbe0 [ 5536.038252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5536.038252][ T10] ___sys_sendmsg+0xee/0x170 [ 5536.038252][ T10] __sys_sendmsg+0xcd/0x170 [ 5536.038252][ T10] do_syscall_64+0xc6/0x1e0 [ 5536.038252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5536.038252][ T10] [ 5536.039997][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5536.039997][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5536.039997][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5536.039997][ T10] ipv6_find_idev+0x102/0x170 [ 5536.039997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5536.039997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5536.039997][ T10] netlink_rcv_skb+0x130/0x360 [ 5536.039997][ T10] netlink_unicast+0x449/0x710 [ 5536.039997][ T10] netlink_sendmsg+0x723/0xbe0 [ 5536.039997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5536.039997][ T10] ___sys_sendmsg+0xee/0x170 [ 5536.039997][ T10] __sys_sendmsg+0xcd/0x170 [ 5536.039997][ T10] do_syscall_64+0xc6/0x1e0 [ 5536.039997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5536.039997][ T10] [ 5537.457032][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5537.457498][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5537.457498][ T1167] dst_init+0x84/0x4a0 [ 5537.457498][ T1167] dst_alloc+0x97/0x150 [ 5537.457498][ T1167] ip6_dst_alloc+0x23/0x90 [ 5537.457498][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5537.457498][ T1167] ip6_pol_route+0x56f/0x840 [ 5537.457498][ T1167] fib6_rule_lookup+0x334/0x630 [ 5537.457498][ T1167] ip6_route_output_flags+0x259/0x480 [ 5537.457498][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5537.457498][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5537.457498][ T1167] netlink_rcv_skb+0x130/0x360 [ 5537.457498][ T1167] netlink_unicast+0x449/0x710 [ 5537.457498][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5537.457498][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5537.457498][ T1167] ___sys_sendmsg+0xee/0x170 [ 5537.457498][ T1167] __sys_sendmsg+0xcd/0x170 [ 5537.457498][ T1167] do_syscall_64+0xc6/0x1e0 [ 5537.457498][ T1167] [ 5537.459747][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5537.459747][ T1167] netdev_get_by_index+0x5e/0x80 [ 5537.459747][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5537.459747][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5537.459747][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5537.459747][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5537.459747][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5537.459747][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5537.459747][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5537.459747][ T1167] addrconf_dad_begin+0x310/0x670 [ 5537.459747][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5537.459747][ T1167] process_one_work+0x84d/0x18a0 [ 5537.459747][ T1167] worker_thread+0x587/0xd30 [ 5537.459747][ T1167] kthread+0x28a/0x350 [ 5537.459747][ T1167] ret_from_fork+0x31/0x70 [ 5537.459747][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5537.459747][ T1167] [ 5537.461901][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5537.461901][ T1167] netdev_get_by_index+0x5e/0x80 [ 5537.461901][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5537.461901][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5537.461901][ T1167] ip6_route_add+0x1c/0x140 [ 5537.461901][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5537.461901][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5537.461901][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5537.461901][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5537.461901][ T1167] netlink_rcv_skb+0x130/0x360 [ 5537.461901][ T1167] netlink_unicast+0x449/0x710 [ 5537.461901][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5537.461901][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5537.461901][ T1167] ___sys_sendmsg+0xee/0x170 [ 5537.461901][ T1167] __sys_sendmsg+0xcd/0x170 [ 5537.461901][ T1167] do_syscall_64+0xc6/0x1e0 [ 5537.461901][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5537.461901][ T1167] [ 5537.464180][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5537.464180][ T1167] netdev_get_by_index+0x5e/0x80 [ 5537.464180][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5537.464180][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5537.464180][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5537.464180][ T1167] ipv6_add_addr+0x411/0x2000 [ 5537.464180][ T1167] inet6_addr_add+0x30e/0xa40 [ 5537.464180][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5537.464180][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5537.464180][ T1167] netlink_rcv_skb+0x130/0x360 [ 5537.464180][ T1167] netlink_unicast+0x449/0x710 [ 5537.464180][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5537.464180][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5537.464180][ T1167] ___sys_sendmsg+0xee/0x170 [ 5537.464180][ T1167] __sys_sendmsg+0xcd/0x170 [ 5537.464180][ T1167] do_syscall_64+0xc6/0x1e0 [ 5537.464180][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5537.464180][ T1167] [ 5537.466481][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5537.466481][ T1167] netdev_get_by_index+0x5e/0x80 [ 5537.466481][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5537.466481][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5537.466481][ T1167] ip6_route_add+0x1c/0x140 [ 5537.466481][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5537.466481][ T1167] addrconf_add_dev+0xe2/0x170 [ 5537.466481][ T1167] inet6_addr_add+0x12f/0xa40 [ 5537.466481][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5537.466481][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5537.466481][ T1167] netlink_rcv_skb+0x130/0x360 [ 5537.466481][ T1167] netlink_unicast+0x449/0x710 [ 5537.466481][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5537.466481][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5537.466481][ T1167] ___sys_sendmsg+0xee/0x170 [ 5537.466481][ T1167] __sys_sendmsg+0xcd/0x170 [ 5537.466481][ T1167] do_syscall_64+0xc6/0x1e0 [ 5537.466481][ T1167] [ 5537.468896][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5537.468896][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5537.468896][ T1167] ipv6_find_idev+0x102/0x170 [ 5537.468896][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5537.468896][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5537.468896][ T1167] netlink_rcv_skb+0x130/0x360 [ 5537.468896][ T1167] netlink_unicast+0x449/0x710 [ 5537.468896][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5537.468896][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5537.468896][ T1167] ___sys_sendmsg+0xee/0x170 [ 5537.468896][ T1167] __sys_sendmsg+0xcd/0x170 [ 5537.468896][ T1167] do_syscall_64+0xc6/0x1e0 [ 5537.468896][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5537.468896][ T1167] [ 5537.470645][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5537.470645][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5537.470645][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5537.470645][ T1167] ipv6_find_idev+0x102/0x170 [ 5537.470645][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5537.470645][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5537.470645][ T1167] netlink_rcv_skb+0x130/0x360 [ 5537.470645][ T1167] netlink_unicast+0x449/0x710 [ 5537.470645][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5537.470645][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5537.470645][ T1167] ___sys_sendmsg+0xee/0x170 [ 5537.470645][ T1167] __sys_sendmsg+0xcd/0x170 [ 5537.470645][ T1167] do_syscall_64+0xc6/0x1e0 [ 5537.470645][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5537.470645][ T1167] [ 5546.281127][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5546.281546][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5546.281546][ T10] netdev_get_by_index+0x5e/0x80 [ 5546.281546][ T10] fib6_nh_init+0x3d8/0x1580 [ 5546.281546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5546.281546][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5546.281546][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5546.281546][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5546.281546][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5546.281546][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5546.281546][ T10] addrconf_dad_begin+0x310/0x670 [ 5546.281546][ T10] addrconf_dad_work+0x10b/0xab0 [ 5546.281546][ T10] process_one_work+0x84d/0x18a0 [ 5546.281546][ T10] worker_thread+0x587/0xd30 [ 5546.281546][ T10] kthread+0x28a/0x350 [ 5546.281546][ T10] ret_from_fork+0x31/0x70 [ 5546.281546][ T10] ret_from_fork_asm+0x1a/0x30 [ 5546.281546][ T10] [ 5546.283537][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5546.283537][ T10] netdev_get_by_index+0x5e/0x80 [ 5546.283537][ T10] fib6_nh_init+0x3d8/0x1580 [ 5546.283537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5546.283537][ T10] ip6_route_add+0x1c/0x140 [ 5546.283537][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5546.283537][ T10] inet6_addr_add+0x4f8/0xa40 [ 5546.283537][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5546.283537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.283537][ T10] netlink_rcv_skb+0x130/0x360 [ 5546.283537][ T10] netlink_unicast+0x449/0x710 [ 5546.283537][ T10] netlink_sendmsg+0x723/0xbe0 [ 5546.283537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5546.283537][ T10] ___sys_sendmsg+0xee/0x170 [ 5546.283537][ T10] __sys_sendmsg+0xcd/0x170 [ 5546.283537][ T10] do_syscall_64+0xc6/0x1e0 [ 5546.283537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.283537][ T10] [ 5546.285566][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5546.285566][ T10] netdev_get_by_index+0x5e/0x80 [ 5546.285566][ T10] fib6_nh_init+0x3d8/0x1580 [ 5546.285566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5546.285566][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5546.285566][ T10] ipv6_add_addr+0x411/0x2000 [ 5546.285566][ T10] inet6_addr_add+0x30e/0xa40 [ 5546.285566][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5546.285566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.285566][ T10] netlink_rcv_skb+0x130/0x360 [ 5546.285566][ T10] netlink_unicast+0x449/0x710 [ 5546.285566][ T10] netlink_sendmsg+0x723/0xbe0 [ 5546.285566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5546.285566][ T10] ___sys_sendmsg+0xee/0x170 [ 5546.285566][ T10] __sys_sendmsg+0xcd/0x170 [ 5546.285566][ T10] do_syscall_64+0xc6/0x1e0 [ 5546.285566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.285566][ T10] [ 5546.287594][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5546.287594][ T10] netdev_get_by_index+0x5e/0x80 [ 5546.287594][ T10] fib6_nh_init+0x3d8/0x1580 [ 5546.287594][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5546.287594][ T10] ip6_route_add+0x1c/0x140 [ 5546.287594][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5546.287594][ T10] addrconf_add_dev+0xe2/0x170 [ 5546.287594][ T10] inet6_addr_add+0x12f/0xa40 [ 5546.287594][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5546.287594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.287594][ T10] netlink_rcv_skb+0x130/0x360 [ 5546.287594][ T10] netlink_unicast+0x449/0x710 [ 5546.287594][ T10] netlink_sendmsg+0x723/0xbe0 [ 5546.287594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5546.287594][ T10] ___sys_sendmsg+0xee/0x170 [ 5546.287594][ T10] __sys_sendmsg+0xcd/0x170 [ 5546.287594][ T10] do_syscall_64+0xc6/0x1e0 [ 5546.287594][ T10] [ 5546.289587][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5546.289587][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5546.289587][ T10] ipv6_find_idev+0x102/0x170 [ 5546.289587][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5546.289587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.289587][ T10] netlink_rcv_skb+0x130/0x360 [ 5546.289587][ T10] netlink_unicast+0x449/0x710 [ 5546.289587][ T10] netlink_sendmsg+0x723/0xbe0 [ 5546.289587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5546.289587][ T10] ___sys_sendmsg+0xee/0x170 [ 5546.289587][ T10] __sys_sendmsg+0xcd/0x170 [ 5546.289587][ T10] do_syscall_64+0xc6/0x1e0 [ 5546.289587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.289587][ T10] [ 5546.291152][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5546.291152][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5546.291152][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5546.291152][ T10] ipv6_find_idev+0x102/0x170 [ 5546.291152][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5546.291152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.291152][ T10] netlink_rcv_skb+0x130/0x360 [ 5546.291152][ T10] netlink_unicast+0x449/0x710 [ 5546.291152][ T10] netlink_sendmsg+0x723/0xbe0 [ 5546.291152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5546.291152][ T10] ___sys_sendmsg+0xee/0x170 [ 5546.291152][ T10] __sys_sendmsg+0xcd/0x170 [ 5546.291152][ T10] do_syscall_64+0xc6/0x1e0 [ 5546.291152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.291152][ T10] [ 5546.292877][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5546.293130][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5546.293130][ T10] netdev_get_by_index+0x5e/0x80 [ 5546.293130][ T10] fib6_nh_init+0x3d8/0x1580 [ 5546.293130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5546.293130][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5546.293130][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5546.293130][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5546.293130][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5546.293130][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5546.293130][ T10] addrconf_dad_begin+0x310/0x670 [ 5546.293130][ T10] addrconf_dad_work+0x10b/0xab0 [ 5546.293130][ T10] process_one_work+0x84d/0x18a0 [ 5546.293130][ T10] worker_thread+0x587/0xd30 [ 5546.293130][ T10] kthread+0x28a/0x350 [ 5546.293130][ T10] ret_from_fork+0x31/0x70 [ 5546.293130][ T10] ret_from_fork_asm+0x1a/0x30 [ 5546.293130][ T10] [ 5546.295072][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5546.295072][ T10] netdev_get_by_index+0x5e/0x80 [ 5546.295072][ T10] fib6_nh_init+0x3d8/0x1580 [ 5546.295072][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5546.295072][ T10] ip6_route_add+0x1c/0x140 [ 5546.295072][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5546.295072][ T10] inet6_addr_add+0x4f8/0xa40 [ 5546.295072][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5546.295072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.295072][ T10] netlink_rcv_skb+0x130/0x360 [ 5546.295072][ T10] netlink_unicast+0x449/0x710 [ 5546.295072][ T10] netlink_sendmsg+0x723/0xbe0 [ 5546.295072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5546.295072][ T10] ___sys_sendmsg+0xee/0x170 [ 5546.295072][ T10] __sys_sendmsg+0xcd/0x170 [ 5546.295072][ T10] do_syscall_64+0xc6/0x1e0 [ 5546.295072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.295072][ T10] [ 5546.297088][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5546.297088][ T10] netdev_get_by_index+0x5e/0x80 [ 5546.297088][ T10] fib6_nh_init+0x3d8/0x1580 [ 5546.297088][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5546.297088][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5546.297088][ T10] ipv6_add_addr+0x411/0x2000 [ 5546.297088][ T10] inet6_addr_add+0x30e/0xa40 [ 5546.297088][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5546.297088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.297088][ T10] netlink_rcv_skb+0x130/0x360 [ 5546.297088][ T10] netlink_unicast+0x449/0x710 [ 5546.297088][ T10] netlink_sendmsg+0x723/0xbe0 [ 5546.297088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5546.297088][ T10] ___sys_sendmsg+0xee/0x170 [ 5546.297088][ T10] __sys_sendmsg+0xcd/0x170 [ 5546.297088][ T10] do_syscall_64+0xc6/0x1e0 [ 5546.297088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.297088][ T10] [ 5546.299151][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5546.299151][ T10] netdev_get_by_index+0x5e/0x80 [ 5546.299151][ T10] fib6_nh_init+0x3d8/0x1580 [ 5546.299151][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5546.299151][ T10] ip6_route_add+0x1c/0x140 [ 5546.299151][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5546.299151][ T10] addrconf_add_dev+0xe2/0x170 [ 5546.299151][ T10] inet6_addr_add+0x12f/0xa40 [ 5546.299151][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5546.299151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.299151][ T10] netlink_rcv_skb+0x130/0x360 [ 5546.299151][ T10] netlink_unicast+0x449/0x710 [ 5546.299151][ T10] netlink_sendmsg+0x723/0xbe0 [ 5546.299151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5546.299151][ T10] ___sys_sendmsg+0xee/0x170 [ 5546.299151][ T10] __sys_sendmsg+0xcd/0x170 [ 5546.299151][ T10] do_syscall_64+0xc6/0x1e0 [ 5546.299151][ T10] [ 5546.301135][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5546.301135][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5546.301135][ T10] ipv6_find_idev+0x102/0x170 [ 5546.301135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5546.301135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.301135][ T10] netlink_rcv_skb+0x130/0x360 [ 5546.301135][ T10] netlink_unicast+0x449/0x710 [ 5546.301135][ T10] netlink_sendmsg+0x723/0xbe0 [ 5546.301135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5546.301135][ T10] ___sys_sendmsg+0xee/0x170 [ 5546.301135][ T10] __sys_sendmsg+0xcd/0x170 [ 5546.301135][ T10] do_syscall_64+0xc6/0x1e0 [ 5546.301135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.301135][ T10] [ 5546.302698][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5546.302698][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5546.302698][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5546.302698][ T10] ipv6_find_idev+0x102/0x170 [ 5546.302698][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5546.302698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.302698][ T10] netlink_rcv_skb+0x130/0x360 [ 5546.302698][ T10] netlink_unicast+0x449/0x710 [ 5546.302698][ T10] netlink_sendmsg+0x723/0xbe0 [ 5546.302698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5546.302698][ T10] ___sys_sendmsg+0xee/0x170 [ 5546.302698][ T10] __sys_sendmsg+0xcd/0x170 [ 5546.302698][ T10] do_syscall_64+0xc6/0x1e0 [ 5546.302698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.302698][ T10] [ 5546.304431][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5546.304673][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5546.304673][ T10] netdev_get_by_index+0x5e/0x80 [ 5546.304673][ T10] fib6_nh_init+0x3d8/0x1580 [ 5546.304673][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5546.304673][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5546.304673][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5546.304673][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5546.304673][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5546.304673][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5546.304673][ T10] addrconf_dad_begin+0x310/0x670 [ 5546.304673][ T10] addrconf_dad_work+0x10b/0xab0 [ 5546.304673][ T10] process_one_work+0x84d/0x18a0 [ 5546.304673][ T10] worker_thread+0x587/0xd30 [ 5546.304673][ T10] kthread+0x28a/0x350 [ 5546.304673][ T10] ret_from_fork+0x31/0x70 [ 5546.304673][ T10] ret_from_fork_asm+0x1a/0x30 [ 5546.304673][ T10] [ 5546.306601][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5546.306601][ T10] netdev_get_by_index+0x5e/0x80 [ 5546.306601][ T10] fib6_nh_init+0x3d8/0x1580 [ 5546.306601][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5546.306601][ T10] ip6_route_add+0x1c/0x140 [ 5546.306601][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5546.306601][ T10] inet6_addr_add+0x4f8/0xa40 [ 5546.306601][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5546.306601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.306601][ T10] netlink_rcv_skb+0x130/0x360 [ 5546.306601][ T10] netlink_unicast+0x449/0x710 [ 5546.306601][ T10] netlink_sendmsg+0x723/0xbe0 [ 5546.306601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5546.306601][ T10] ___sys_sendmsg+0xee/0x170 [ 5546.306601][ T10] __sys_sendmsg+0xcd/0x170 [ 5546.306601][ T10] do_syscall_64+0xc6/0x1e0 [ 5546.306601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.306601][ T10] [ 5546.308815][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5546.308815][ T10] netdev_get_by_index+0x5e/0x80 [ 5546.308815][ T10] fib6_nh_init+0x3d8/0x1580 [ 5546.308815][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5546.308815][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5546.308815][ T10] ipv6_add_addr+0x411/0x2000 [ 5546.308815][ T10] inet6_addr_add+0x30e/0xa40 [ 5546.308815][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5546.308815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.308815][ T10] netlink_rcv_skb+0x130/0x360 [ 5546.308815][ T10] netlink_unicast+0x449/0x710 [ 5546.308815][ T10] netlink_sendmsg+0x723/0xbe0 [ 5546.308815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5546.308815][ T10] ___sys_sendmsg+0xee/0x170 [ 5546.308815][ T10] __sys_sendmsg+0xcd/0x170 [ 5546.308815][ T10] do_syscall_64+0xc6/0x1e0 [ 5546.308815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.308815][ T10] [ 5546.311095][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5546.311095][ T10] netdev_get_by_index+0x5e/0x80 [ 5546.311095][ T10] fib6_nh_init+0x3d8/0x1580 [ 5546.311095][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5546.311095][ T10] ip6_route_add+0x1c/0x140 [ 5546.311095][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5546.311095][ T10] addrconf_add_dev+0xe2/0x170 [ 5546.311095][ T10] inet6_addr_add+0x12f/0xa40 [ 5546.311095][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5546.311095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.311095][ T10] netlink_rcv_skb+0x130/0x360 [ 5546.311095][ T10] netlink_unicast+0x449/0x710 [ 5546.311095][ T10] netlink_sendmsg+0x723/0xbe0 [ 5546.311095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5546.311095][ T10] ___sys_sendmsg+0xee/0x170 [ 5546.311095][ T10] __sys_sendmsg+0xcd/0x170 [ 5546.311095][ T10] do_syscall_64+0xc6/0x1e0 [ 5546.311095][ T10] [ 5546.313322][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5546.313322][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5546.313322][ T10] ipv6_find_idev+0x102/0x170 [ 5546.313322][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5546.313322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.313322][ T10] netlink_rcv_skb+0x130/0x360 [ 5546.313322][ T10] netlink_unicast+0x449/0x710 [ 5546.313322][ T10] netlink_sendmsg+0x723/0xbe0 [ 5546.313322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5546.313322][ T10] ___sys_sendmsg+0xee/0x170 [ 5546.313322][ T10] __sys_sendmsg+0xcd/0x170 [ 5546.313322][ T10] do_syscall_64+0xc6/0x1e0 [ 5546.313322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.313322][ T10] [ 5546.315124][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5546.315124][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5546.315124][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5546.315124][ T10] ipv6_find_idev+0x102/0x170 [ 5546.315124][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5546.315124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.315124][ T10] netlink_rcv_skb+0x130/0x360 [ 5546.315124][ T10] netlink_unicast+0x449/0x710 [ 5546.315124][ T10] netlink_sendmsg+0x723/0xbe0 [ 5546.315124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5546.315124][ T10] ___sys_sendmsg+0xee/0x170 [ 5546.315124][ T10] __sys_sendmsg+0xcd/0x170 [ 5546.315124][ T10] do_syscall_64+0xc6/0x1e0 [ 5546.315124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.315124][ T10] [ 5546.317022][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5546.317275][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5546.317275][ T10] netdev_get_by_index+0x5e/0x80 [ 5546.317275][ T10] fib6_nh_init+0x3d8/0x1580 [ 5546.317275][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5546.317275][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5546.317275][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5546.317275][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5546.317275][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5546.317275][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5546.317275][ T10] addrconf_dad_begin+0x310/0x670 [ 5546.317275][ T10] addrconf_dad_work+0x10b/0xab0 [ 5546.317275][ T10] process_one_work+0x84d/0x18a0 [ 5546.317275][ T10] worker_thread+0x587/0xd30 [ 5546.317275][ T10] kthread+0x28a/0x350 [ 5546.317275][ T10] ret_from_fork+0x31/0x70 [ 5546.317275][ T10] ret_from_fork_asm+0x1a/0x30 [ 5546.317275][ T10] [ 5546.319444][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5546.319444][ T10] netdev_get_by_index+0x5e/0x80 [ 5546.319444][ T10] fib6_nh_init+0x3d8/0x1580 [ 5546.319444][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5546.319444][ T10] ip6_route_add+0x1c/0x140 [ 5546.319444][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5546.319444][ T10] inet6_addr_add+0x4f8/0xa40 [ 5546.319444][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5546.319444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.319444][ T10] netlink_rcv_skb+0x130/0x360 [ 5546.319444][ T10] netlink_unicast+0x449/0x710 [ 5546.319444][ T10] netlink_sendmsg+0x723/0xbe0 [ 5546.319444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5546.319444][ T10] ___sys_sendmsg+0xee/0x170 [ 5546.319444][ T10] __sys_sendmsg+0xcd/0x170 [ 5546.319444][ T10] do_syscall_64+0xc6/0x1e0 [ 5546.319444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.319444][ T10] [ 5546.321711][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5546.321711][ T10] netdev_get_by_index+0x5e/0x80 [ 5546.321711][ T10] fib6_nh_init+0x3d8/0x1580 [ 5546.321711][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5546.321711][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5546.321711][ T10] ipv6_add_addr+0x411/0x2000 [ 5546.321711][ T10] inet6_addr_add+0x30e/0xa40 [ 5546.321711][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5546.321711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.321711][ T10] netlink_rcv_skb+0x130/0x360 [ 5546.321711][ T10] netlink_unicast+0x449/0x710 [ 5546.321711][ T10] netlink_sendmsg+0x723/0xbe0 [ 5546.321711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5546.321711][ T10] ___sys_sendmsg+0xee/0x170 [ 5546.321711][ T10] __sys_sendmsg+0xcd/0x170 [ 5546.321711][ T10] do_syscall_64+0xc6/0x1e0 [ 5546.321711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.321711][ T10] [ 5546.324039][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5546.324039][ T10] netdev_get_by_index+0x5e/0x80 [ 5546.324039][ T10] fib6_nh_init+0x3d8/0x1580 [ 5546.324039][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5546.324039][ T10] ip6_route_add+0x1c/0x140 [ 5546.324039][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5546.324039][ T10] addrconf_add_dev+0xe2/0x170 [ 5546.324039][ T10] inet6_addr_add+0x12f/0xa40 [ 5546.324039][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5546.324039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.324039][ T10] netlink_rcv_skb+0x130/0x360 [ 5546.324039][ T10] netlink_unicast+0x449/0x710 [ 5546.324039][ T10] netlink_sendmsg+0x723/0xbe0 [ 5546.324039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5546.324039][ T10] ___sys_sendmsg+0xee/0x170 [ 5546.324039][ T10] __sys_sendmsg+0xcd/0x170 [ 5546.324039][ T10] do_syscall_64+0xc6/0x1e0 [ 5546.324039][ T10] [ 5546.326233][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5546.326233][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5546.326233][ T10] ipv6_find_idev+0x102/0x170 [ 5546.326233][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5546.326233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.326233][ T10] netlink_rcv_skb+0x130/0x360 [ 5546.326233][ T10] netlink_unicast+0x449/0x710 [ 5546.326233][ T10] netlink_sendmsg+0x723/0xbe0 [ 5546.326233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5546.326233][ T10] ___sys_sendmsg+0xee/0x170 [ 5546.326233][ T10] __sys_sendmsg+0xcd/0x170 [ 5546.326233][ T10] do_syscall_64+0xc6/0x1e0 [ 5546.326233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.326233][ T10] [ 5546.327974][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5546.327974][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5546.327974][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5546.327974][ T10] ipv6_find_idev+0x102/0x170 [ 5546.327974][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5546.327974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5546.327974][ T10] netlink_rcv_skb+0x130/0x360 [ 5546.327974][ T10] netlink_unicast+0x449/0x710 [ 5546.327974][ T10] netlink_sendmsg+0x723/0xbe0 [ 5546.327974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5546.327974][ T10] ___sys_sendmsg+0xee/0x170 [ 5546.327974][ T10] __sys_sendmsg+0xcd/0x170 [ 5546.327974][ T10] do_syscall_64+0xc6/0x1e0 [ 5546.327974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5546.327974][ T10] [ 5547.721113][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5547.721598][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5547.721598][ T1167] dst_init+0x84/0x4a0 [ 5547.721598][ T1167] dst_alloc+0x97/0x150 [ 5547.721598][ T1167] ip6_dst_alloc+0x23/0x90 [ 5547.721598][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5547.721598][ T1167] ip6_pol_route+0x56f/0x840 [ 5547.721598][ T1167] fib6_rule_lookup+0x334/0x630 [ 5547.721598][ T1167] ip6_route_output_flags+0x259/0x480 [ 5547.721598][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5547.721598][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5547.721598][ T1167] netlink_rcv_skb+0x130/0x360 [ 5547.721598][ T1167] netlink_unicast+0x449/0x710 [ 5547.721598][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5547.721598][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5547.721598][ T1167] ___sys_sendmsg+0xee/0x170 [ 5547.721598][ T1167] __sys_sendmsg+0xcd/0x170 [ 5547.721598][ T1167] do_syscall_64+0xc6/0x1e0 [ 5547.721598][ T1167] [ 5547.723857][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5547.723857][ T1167] netdev_get_by_index+0x5e/0x80 [ 5547.723857][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5547.723857][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5547.723857][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5547.723857][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5547.723857][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5547.723857][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5547.723857][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5547.723857][ T1167] addrconf_dad_begin+0x310/0x670 [ 5547.723857][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5547.723857][ T1167] process_one_work+0x84d/0x18a0 [ 5547.723857][ T1167] worker_thread+0x587/0xd30 [ 5547.723857][ T1167] kthread+0x28a/0x350 [ 5547.723857][ T1167] ret_from_fork+0x31/0x70 [ 5547.723857][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5547.723857][ T1167] [ 5547.726037][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5547.726037][ T1167] netdev_get_by_index+0x5e/0x80 [ 5547.726037][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5547.726037][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5547.726037][ T1167] ip6_route_add+0x1c/0x140 [ 5547.726037][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5547.726037][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5547.726037][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5547.726037][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5547.726037][ T1167] netlink_rcv_skb+0x130/0x360 [ 5547.726037][ T1167] netlink_unicast+0x449/0x710 [ 5547.726037][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5547.726037][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5547.726037][ T1167] ___sys_sendmsg+0xee/0x170 [ 5547.726037][ T1167] __sys_sendmsg+0xcd/0x170 [ 5547.726037][ T1167] do_syscall_64+0xc6/0x1e0 [ 5547.726037][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5547.726037][ T1167] [ 5547.728315][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5547.728315][ T1167] netdev_get_by_index+0x5e/0x80 [ 5547.728315][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5547.728315][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5547.728315][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5547.728315][ T1167] ipv6_add_addr+0x411/0x2000 [ 5547.728315][ T1167] inet6_addr_add+0x30e/0xa40 [ 5547.728315][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5547.728315][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5547.728315][ T1167] netlink_rcv_skb+0x130/0x360 [ 5547.728315][ T1167] netlink_unicast+0x449/0x710 [ 5547.728315][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5547.728315][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5547.728315][ T1167] ___sys_sendmsg+0xee/0x170 [ 5547.728315][ T1167] __sys_sendmsg+0xcd/0x170 [ 5547.728315][ T1167] do_syscall_64+0xc6/0x1e0 [ 5547.728315][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5547.728315][ T1167] [ 5547.730602][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5547.730602][ T1167] netdev_get_by_index+0x5e/0x80 [ 5547.730602][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5547.730602][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5547.730602][ T1167] ip6_route_add+0x1c/0x140 [ 5547.730602][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5547.730602][ T1167] addrconf_add_dev+0xe2/0x170 [ 5547.730602][ T1167] inet6_addr_add+0x12f/0xa40 [ 5547.730602][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5547.730602][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5547.730602][ T1167] netlink_rcv_skb+0x130/0x360 [ 5547.730602][ T1167] netlink_unicast+0x449/0x710 [ 5547.730602][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5547.730602][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5547.730602][ T1167] ___sys_sendmsg+0xee/0x170 [ 5547.730602][ T1167] __sys_sendmsg+0xcd/0x170 [ 5547.730602][ T1167] do_syscall_64+0xc6/0x1e0 [ 5547.730602][ T1167] [ 5547.732839][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5547.732839][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5547.732839][ T1167] ipv6_find_idev+0x102/0x170 [ 5547.732839][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5547.732839][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5547.732839][ T1167] netlink_rcv_skb+0x130/0x360 [ 5547.732839][ T1167] netlink_unicast+0x449/0x710 [ 5547.732839][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5547.732839][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5547.732839][ T1167] ___sys_sendmsg+0xee/0x170 [ 5547.732839][ T1167] __sys_sendmsg+0xcd/0x170 [ 5547.732839][ T1167] do_syscall_64+0xc6/0x1e0 [ 5547.732839][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5547.732839][ T1167] [ 5547.734598][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5547.734598][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5547.734598][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5547.734598][ T1167] ipv6_find_idev+0x102/0x170 [ 5547.734598][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5547.734598][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5547.734598][ T1167] netlink_rcv_skb+0x130/0x360 [ 5547.734598][ T1167] netlink_unicast+0x449/0x710 [ 5547.734598][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5547.734598][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5547.734598][ T1167] ___sys_sendmsg+0xee/0x170 [ 5547.734598][ T1167] __sys_sendmsg+0xcd/0x170 [ 5547.734598][ T1167] do_syscall_64+0xc6/0x1e0 [ 5547.734598][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5547.734598][ T1167] [ 5556.377115][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5556.377557][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5556.377557][ T10] netdev_get_by_index+0x5e/0x80 [ 5556.377557][ T10] fib6_nh_init+0x3d8/0x1580 [ 5556.377557][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5556.377557][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5556.377557][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5556.377557][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5556.377557][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5556.377557][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5556.377557][ T10] addrconf_dad_begin+0x310/0x670 [ 5556.377557][ T10] addrconf_dad_work+0x10b/0xab0 [ 5556.377557][ T10] process_one_work+0x84d/0x18a0 [ 5556.377557][ T10] worker_thread+0x587/0xd30 [ 5556.377557][ T10] kthread+0x28a/0x350 [ 5556.377557][ T10] ret_from_fork+0x31/0x70 [ 5556.377557][ T10] ret_from_fork_asm+0x1a/0x30 [ 5556.377557][ T10] [ 5556.379517][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5556.379517][ T10] netdev_get_by_index+0x5e/0x80 [ 5556.379517][ T10] fib6_nh_init+0x3d8/0x1580 [ 5556.379517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5556.379517][ T10] ip6_route_add+0x1c/0x140 [ 5556.379517][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5556.379517][ T10] inet6_addr_add+0x4f8/0xa40 [ 5556.379517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5556.379517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.379517][ T10] netlink_rcv_skb+0x130/0x360 [ 5556.379517][ T10] netlink_unicast+0x449/0x710 [ 5556.379517][ T10] netlink_sendmsg+0x723/0xbe0 [ 5556.379517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5556.379517][ T10] ___sys_sendmsg+0xee/0x170 [ 5556.379517][ T10] __sys_sendmsg+0xcd/0x170 [ 5556.379517][ T10] do_syscall_64+0xc6/0x1e0 [ 5556.379517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.379517][ T10] [ 5556.381558][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5556.381558][ T10] netdev_get_by_index+0x5e/0x80 [ 5556.381558][ T10] fib6_nh_init+0x3d8/0x1580 [ 5556.381558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5556.381558][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5556.381558][ T10] ipv6_add_addr+0x411/0x2000 [ 5556.381558][ T10] inet6_addr_add+0x30e/0xa40 [ 5556.381558][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5556.381558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.381558][ T10] netlink_rcv_skb+0x130/0x360 [ 5556.381558][ T10] netlink_unicast+0x449/0x710 [ 5556.381558][ T10] netlink_sendmsg+0x723/0xbe0 [ 5556.381558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5556.381558][ T10] ___sys_sendmsg+0xee/0x170 [ 5556.381558][ T10] __sys_sendmsg+0xcd/0x170 [ 5556.381558][ T10] do_syscall_64+0xc6/0x1e0 [ 5556.381558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.381558][ T10] [ 5556.383592][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5556.383592][ T10] netdev_get_by_index+0x5e/0x80 [ 5556.383592][ T10] fib6_nh_init+0x3d8/0x1580 [ 5556.383592][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5556.383592][ T10] ip6_route_add+0x1c/0x140 [ 5556.383592][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5556.383592][ T10] addrconf_add_dev+0xe2/0x170 [ 5556.383592][ T10] inet6_addr_add+0x12f/0xa40 [ 5556.383592][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5556.383592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.383592][ T10] netlink_rcv_skb+0x130/0x360 [ 5556.383592][ T10] netlink_unicast+0x449/0x710 [ 5556.383592][ T10] netlink_sendmsg+0x723/0xbe0 [ 5556.383592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5556.383592][ T10] ___sys_sendmsg+0xee/0x170 [ 5556.383592][ T10] __sys_sendmsg+0xcd/0x170 [ 5556.383592][ T10] do_syscall_64+0xc6/0x1e0 [ 5556.383592][ T10] [ 5556.385580][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5556.385580][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5556.385580][ T10] ipv6_find_idev+0x102/0x170 [ 5556.385580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5556.385580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.385580][ T10] netlink_rcv_skb+0x130/0x360 [ 5556.385580][ T10] netlink_unicast+0x449/0x710 [ 5556.385580][ T10] netlink_sendmsg+0x723/0xbe0 [ 5556.385580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5556.385580][ T10] ___sys_sendmsg+0xee/0x170 [ 5556.385580][ T10] __sys_sendmsg+0xcd/0x170 [ 5556.385580][ T10] do_syscall_64+0xc6/0x1e0 [ 5556.385580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.385580][ T10] [ 5556.387655][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5556.387655][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5556.387655][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5556.387655][ T10] ipv6_find_idev+0x102/0x170 [ 5556.387655][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5556.387655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.387655][ T10] netlink_rcv_skb+0x130/0x360 [ 5556.387655][ T10] netlink_unicast+0x449/0x710 [ 5556.387655][ T10] netlink_sendmsg+0x723/0xbe0 [ 5556.387655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5556.387655][ T10] ___sys_sendmsg+0xee/0x170 [ 5556.387655][ T10] __sys_sendmsg+0xcd/0x170 [ 5556.387655][ T10] do_syscall_64+0xc6/0x1e0 [ 5556.387655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.387655][ T10] [ 5556.391797][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5556.392084][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5556.392084][ T10] netdev_get_by_index+0x5e/0x80 [ 5556.392084][ T10] fib6_nh_init+0x3d8/0x1580 [ 5556.392084][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5556.392084][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5556.392084][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5556.392084][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5556.392084][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5556.392084][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5556.392084][ T10] addrconf_dad_begin+0x310/0x670 [ 5556.392084][ T10] addrconf_dad_work+0x10b/0xab0 [ 5556.392084][ T10] process_one_work+0x84d/0x18a0 [ 5556.392084][ T10] worker_thread+0x587/0xd30 [ 5556.392084][ T10] kthread+0x28a/0x350 [ 5556.392084][ T10] ret_from_fork+0x31/0x70 [ 5556.392084][ T10] ret_from_fork_asm+0x1a/0x30 [ 5556.392084][ T10] [ 5556.394026][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5556.394026][ T10] netdev_get_by_index+0x5e/0x80 [ 5556.394026][ T10] fib6_nh_init+0x3d8/0x1580 [ 5556.394026][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5556.394026][ T10] ip6_route_add+0x1c/0x140 [ 5556.394026][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5556.394026][ T10] inet6_addr_add+0x4f8/0xa40 [ 5556.394026][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5556.394026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.394026][ T10] netlink_rcv_skb+0x130/0x360 [ 5556.394026][ T10] netlink_unicast+0x449/0x710 [ 5556.394026][ T10] netlink_sendmsg+0x723/0xbe0 [ 5556.394026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5556.394026][ T10] ___sys_sendmsg+0xee/0x170 [ 5556.394026][ T10] __sys_sendmsg+0xcd/0x170 [ 5556.394026][ T10] do_syscall_64+0xc6/0x1e0 [ 5556.394026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.394026][ T10] [ 5556.396038][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5556.396038][ T10] netdev_get_by_index+0x5e/0x80 [ 5556.396038][ T10] fib6_nh_init+0x3d8/0x1580 [ 5556.396038][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5556.396038][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5556.396038][ T10] ipv6_add_addr+0x411/0x2000 [ 5556.396038][ T10] inet6_addr_add+0x30e/0xa40 [ 5556.396038][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5556.396038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.396038][ T10] netlink_rcv_skb+0x130/0x360 [ 5556.396038][ T10] netlink_unicast+0x449/0x710 [ 5556.396038][ T10] netlink_sendmsg+0x723/0xbe0 [ 5556.396038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5556.396038][ T10] ___sys_sendmsg+0xee/0x170 [ 5556.396038][ T10] __sys_sendmsg+0xcd/0x170 [ 5556.396038][ T10] do_syscall_64+0xc6/0x1e0 [ 5556.396038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.396038][ T10] [ 5556.398060][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5556.398060][ T10] netdev_get_by_index+0x5e/0x80 [ 5556.398060][ T10] fib6_nh_init+0x3d8/0x1580 [ 5556.398060][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5556.398060][ T10] ip6_route_add+0x1c/0x140 [ 5556.398060][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5556.398060][ T10] addrconf_add_dev+0xe2/0x170 [ 5556.398060][ T10] inet6_addr_add+0x12f/0xa40 [ 5556.398060][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5556.398060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.398060][ T10] netlink_rcv_skb+0x130/0x360 [ 5556.398060][ T10] netlink_unicast+0x449/0x710 [ 5556.398060][ T10] netlink_sendmsg+0x723/0xbe0 [ 5556.398060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5556.398060][ T10] ___sys_sendmsg+0xee/0x170 [ 5556.398060][ T10] __sys_sendmsg+0xcd/0x170 [ 5556.398060][ T10] do_syscall_64+0xc6/0x1e0 [ 5556.398060][ T10] [ 5556.401446][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5556.401446][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5556.401446][ T10] ipv6_find_idev+0x102/0x170 [ 5556.401446][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5556.401446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.401446][ T10] netlink_rcv_skb+0x130/0x360 [ 5556.401446][ T10] netlink_unicast+0x449/0x710 [ 5556.401446][ T10] netlink_sendmsg+0x723/0xbe0 [ 5556.401446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5556.401446][ T10] ___sys_sendmsg+0xee/0x170 [ 5556.401446][ T10] __sys_sendmsg+0xcd/0x170 [ 5556.401446][ T10] do_syscall_64+0xc6/0x1e0 [ 5556.401446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.401446][ T10] [ 5556.403009][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5556.403009][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5556.403009][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5556.403009][ T10] ipv6_find_idev+0x102/0x170 [ 5556.403009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5556.403009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.403009][ T10] netlink_rcv_skb+0x130/0x360 [ 5556.403009][ T10] netlink_unicast+0x449/0x710 [ 5556.403009][ T10] netlink_sendmsg+0x723/0xbe0 [ 5556.403009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5556.403009][ T10] ___sys_sendmsg+0xee/0x170 [ 5556.403009][ T10] __sys_sendmsg+0xcd/0x170 [ 5556.403009][ T10] do_syscall_64+0xc6/0x1e0 [ 5556.403009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.403009][ T10] [ 5556.404725][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5556.404975][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5556.404975][ T10] netdev_get_by_index+0x5e/0x80 [ 5556.404975][ T10] fib6_nh_init+0x3d8/0x1580 [ 5556.404975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5556.404975][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5556.404975][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5556.404975][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5556.404975][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5556.404975][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5556.404975][ T10] addrconf_dad_begin+0x310/0x670 [ 5556.404975][ T10] addrconf_dad_work+0x10b/0xab0 [ 5556.404975][ T10] process_one_work+0x84d/0x18a0 [ 5556.404975][ T10] worker_thread+0x587/0xd30 [ 5556.404975][ T10] kthread+0x28a/0x350 [ 5556.404975][ T10] ret_from_fork+0x31/0x70 [ 5556.404975][ T10] ret_from_fork_asm+0x1a/0x30 [ 5556.404975][ T10] [ 5556.406911][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5556.406911][ T10] netdev_get_by_index+0x5e/0x80 [ 5556.406911][ T10] fib6_nh_init+0x3d8/0x1580 [ 5556.406911][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5556.406911][ T10] ip6_route_add+0x1c/0x140 [ 5556.406911][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5556.406911][ T10] inet6_addr_add+0x4f8/0xa40 [ 5556.406911][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5556.406911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.406911][ T10] netlink_rcv_skb+0x130/0x360 [ 5556.406911][ T10] netlink_unicast+0x449/0x710 [ 5556.406911][ T10] netlink_sendmsg+0x723/0xbe0 [ 5556.406911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5556.406911][ T10] ___sys_sendmsg+0xee/0x170 [ 5556.406911][ T10] __sys_sendmsg+0xcd/0x170 [ 5556.406911][ T10] do_syscall_64+0xc6/0x1e0 [ 5556.406911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.406911][ T10] [ 5556.409115][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5556.409115][ T10] netdev_get_by_index+0x5e/0x80 [ 5556.409115][ T10] fib6_nh_init+0x3d8/0x1580 [ 5556.409115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5556.409115][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5556.409115][ T10] ipv6_add_addr+0x411/0x2000 [ 5556.409115][ T10] inet6_addr_add+0x30e/0xa40 [ 5556.409115][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5556.409115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.409115][ T10] netlink_rcv_skb+0x130/0x360 [ 5556.409115][ T10] netlink_unicast+0x449/0x710 [ 5556.409115][ T10] netlink_sendmsg+0x723/0xbe0 [ 5556.409115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5556.409115][ T10] ___sys_sendmsg+0xee/0x170 [ 5556.409115][ T10] __sys_sendmsg+0xcd/0x170 [ 5556.409115][ T10] do_syscall_64+0xc6/0x1e0 [ 5556.409115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.409115][ T10] [ 5556.411381][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5556.411381][ T10] netdev_get_by_index+0x5e/0x80 [ 5556.411381][ T10] fib6_nh_init+0x3d8/0x1580 [ 5556.411381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5556.411381][ T10] ip6_route_add+0x1c/0x140 [ 5556.411381][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5556.411381][ T10] addrconf_add_dev+0xe2/0x170 [ 5556.411381][ T10] inet6_addr_add+0x12f/0xa40 [ 5556.411381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5556.411381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.411381][ T10] netlink_rcv_skb+0x130/0x360 [ 5556.411381][ T10] netlink_unicast+0x449/0x710 [ 5556.411381][ T10] netlink_sendmsg+0x723/0xbe0 [ 5556.411381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5556.411381][ T10] ___sys_sendmsg+0xee/0x170 [ 5556.411381][ T10] __sys_sendmsg+0xcd/0x170 [ 5556.411381][ T10] do_syscall_64+0xc6/0x1e0 [ 5556.411381][ T10] [ 5556.413683][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5556.413683][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5556.413683][ T10] ipv6_find_idev+0x102/0x170 [ 5556.413683][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5556.413683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.413683][ T10] netlink_rcv_skb+0x130/0x360 [ 5556.413683][ T10] netlink_unicast+0x449/0x710 [ 5556.413683][ T10] netlink_sendmsg+0x723/0xbe0 [ 5556.413683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5556.413683][ T10] ___sys_sendmsg+0xee/0x170 [ 5556.413683][ T10] __sys_sendmsg+0xcd/0x170 [ 5556.413683][ T10] do_syscall_64+0xc6/0x1e0 [ 5556.413683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.413683][ T10] [ 5556.415421][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5556.415421][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5556.415421][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5556.415421][ T10] ipv6_find_idev+0x102/0x170 [ 5556.415421][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5556.415421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.415421][ T10] netlink_rcv_skb+0x130/0x360 [ 5556.415421][ T10] netlink_unicast+0x449/0x710 [ 5556.415421][ T10] netlink_sendmsg+0x723/0xbe0 [ 5556.415421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5556.415421][ T10] ___sys_sendmsg+0xee/0x170 [ 5556.415421][ T10] __sys_sendmsg+0xcd/0x170 [ 5556.415421][ T10] do_syscall_64+0xc6/0x1e0 [ 5556.415421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.415421][ T10] [ 5556.417313][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5556.417577][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5556.417577][ T10] netdev_get_by_index+0x5e/0x80 [ 5556.417577][ T10] fib6_nh_init+0x3d8/0x1580 [ 5556.417577][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5556.417577][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5556.417577][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5556.417577][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5556.417577][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5556.417577][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5556.417577][ T10] addrconf_dad_begin+0x310/0x670 [ 5556.417577][ T10] addrconf_dad_work+0x10b/0xab0 [ 5556.417577][ T10] process_one_work+0x84d/0x18a0 [ 5556.417577][ T10] worker_thread+0x587/0xd30 [ 5556.417577][ T10] kthread+0x28a/0x350 [ 5556.417577][ T10] ret_from_fork+0x31/0x70 [ 5556.417577][ T10] ret_from_fork_asm+0x1a/0x30 [ 5556.417577][ T10] [ 5556.419759][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5556.419759][ T10] netdev_get_by_index+0x5e/0x80 [ 5556.419759][ T10] fib6_nh_init+0x3d8/0x1580 [ 5556.419759][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5556.419759][ T10] ip6_route_add+0x1c/0x140 [ 5556.419759][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5556.419759][ T10] inet6_addr_add+0x4f8/0xa40 [ 5556.419759][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5556.419759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.419759][ T10] netlink_rcv_skb+0x130/0x360 [ 5556.419759][ T10] netlink_unicast+0x449/0x710 [ 5556.419759][ T10] netlink_sendmsg+0x723/0xbe0 [ 5556.419759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5556.419759][ T10] ___sys_sendmsg+0xee/0x170 [ 5556.419759][ T10] __sys_sendmsg+0xcd/0x170 [ 5556.419759][ T10] do_syscall_64+0xc6/0x1e0 [ 5556.419759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.419759][ T10] [ 5556.422096][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5556.422096][ T10] netdev_get_by_index+0x5e/0x80 [ 5556.422096][ T10] fib6_nh_init+0x3d8/0x1580 [ 5556.422096][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5556.422096][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5556.422096][ T10] ipv6_add_addr+0x411/0x2000 [ 5556.422096][ T10] inet6_addr_add+0x30e/0xa40 [ 5556.422096][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5556.422096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.422096][ T10] netlink_rcv_skb+0x130/0x360 [ 5556.422096][ T10] netlink_unicast+0x449/0x710 [ 5556.422096][ T10] netlink_sendmsg+0x723/0xbe0 [ 5556.422096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5556.422096][ T10] ___sys_sendmsg+0xee/0x170 [ 5556.422096][ T10] __sys_sendmsg+0xcd/0x170 [ 5556.422096][ T10] do_syscall_64+0xc6/0x1e0 [ 5556.422096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.422096][ T10] [ 5556.424353][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5556.424353][ T10] netdev_get_by_index+0x5e/0x80 [ 5556.424353][ T10] fib6_nh_init+0x3d8/0x1580 [ 5556.424353][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5556.424353][ T10] ip6_route_add+0x1c/0x140 [ 5556.424353][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5556.424353][ T10] addrconf_add_dev+0xe2/0x170 [ 5556.424353][ T10] inet6_addr_add+0x12f/0xa40 [ 5556.424353][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5556.424353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.424353][ T10] netlink_rcv_skb+0x130/0x360 [ 5556.424353][ T10] netlink_unicast+0x449/0x710 [ 5556.424353][ T10] netlink_sendmsg+0x723/0xbe0 [ 5556.424353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5556.424353][ T10] ___sys_sendmsg+0xee/0x170 [ 5556.424353][ T10] __sys_sendmsg+0xcd/0x170 [ 5556.424353][ T10] do_syscall_64+0xc6/0x1e0 [ 5556.424353][ T10] [ 5556.426541][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5556.426541][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5556.426541][ T10] ipv6_find_idev+0x102/0x170 [ 5556.426541][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5556.426541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.426541][ T10] netlink_rcv_skb+0x130/0x360 [ 5556.426541][ T10] netlink_unicast+0x449/0x710 [ 5556.426541][ T10] netlink_sendmsg+0x723/0xbe0 [ 5556.426541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5556.426541][ T10] ___sys_sendmsg+0xee/0x170 [ 5556.426541][ T10] __sys_sendmsg+0xcd/0x170 [ 5556.426541][ T10] do_syscall_64+0xc6/0x1e0 [ 5556.426541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.426541][ T10] [ 5556.428279][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5556.428279][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5556.428279][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5556.428279][ T10] ipv6_find_idev+0x102/0x170 [ 5556.428279][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5556.428279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5556.428279][ T10] netlink_rcv_skb+0x130/0x360 [ 5556.428279][ T10] netlink_unicast+0x449/0x710 [ 5556.428279][ T10] netlink_sendmsg+0x723/0xbe0 [ 5556.428279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5556.428279][ T10] ___sys_sendmsg+0xee/0x170 [ 5556.428279][ T10] __sys_sendmsg+0xcd/0x170 [ 5556.428279][ T10] do_syscall_64+0xc6/0x1e0 [ 5556.428279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5556.428279][ T10] [ 5557.849131][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5557.849619][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5557.849619][ T1167] dst_init+0x84/0x4a0 [ 5557.849619][ T1167] dst_alloc+0x97/0x150 [ 5557.849619][ T1167] ip6_dst_alloc+0x23/0x90 [ 5557.849619][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5557.849619][ T1167] ip6_pol_route+0x56f/0x840 [ 5557.849619][ T1167] fib6_rule_lookup+0x334/0x630 [ 5557.849619][ T1167] ip6_route_output_flags+0x259/0x480 [ 5557.849619][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5557.849619][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5557.849619][ T1167] netlink_rcv_skb+0x130/0x360 [ 5557.849619][ T1167] netlink_unicast+0x449/0x710 [ 5557.849619][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5557.849619][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5557.849619][ T1167] ___sys_sendmsg+0xee/0x170 [ 5557.849619][ T1167] __sys_sendmsg+0xcd/0x170 [ 5557.849619][ T1167] do_syscall_64+0xc6/0x1e0 [ 5557.849619][ T1167] [ 5557.851862][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5557.851862][ T1167] netdev_get_by_index+0x5e/0x80 [ 5557.851862][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5557.851862][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5557.851862][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5557.851862][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5557.851862][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5557.851862][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5557.851862][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5557.851862][ T1167] addrconf_dad_begin+0x310/0x670 [ 5557.851862][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5557.851862][ T1167] process_one_work+0x84d/0x18a0 [ 5557.851862][ T1167] worker_thread+0x587/0xd30 [ 5557.851862][ T1167] kthread+0x28a/0x350 [ 5557.851862][ T1167] ret_from_fork+0x31/0x70 [ 5557.851862][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5557.851862][ T1167] [ 5557.854042][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5557.854042][ T1167] netdev_get_by_index+0x5e/0x80 [ 5557.854042][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5557.854042][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5557.854042][ T1167] ip6_route_add+0x1c/0x140 [ 5557.854042][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5557.854042][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5557.854042][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5557.854042][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5557.854042][ T1167] netlink_rcv_skb+0x130/0x360 [ 5557.854042][ T1167] netlink_unicast+0x449/0x710 [ 5557.854042][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5557.854042][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5557.854042][ T1167] ___sys_sendmsg+0xee/0x170 [ 5557.854042][ T1167] __sys_sendmsg+0xcd/0x170 [ 5557.854042][ T1167] do_syscall_64+0xc6/0x1e0 [ 5557.854042][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5557.854042][ T1167] [ 5557.856312][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5557.856312][ T1167] netdev_get_by_index+0x5e/0x80 [ 5557.856312][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5557.856312][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5557.856312][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5557.856312][ T1167] ipv6_add_addr+0x411/0x2000 [ 5557.856312][ T1167] inet6_addr_add+0x30e/0xa40 [ 5557.856312][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5557.856312][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5557.856312][ T1167] netlink_rcv_skb+0x130/0x360 [ 5557.856312][ T1167] netlink_unicast+0x449/0x710 [ 5557.856312][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5557.856312][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5557.856312][ T1167] ___sys_sendmsg+0xee/0x170 [ 5557.856312][ T1167] __sys_sendmsg+0xcd/0x170 [ 5557.856312][ T1167] do_syscall_64+0xc6/0x1e0 [ 5557.856312][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5557.856312][ T1167] [ 5557.858588][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5557.858588][ T1167] netdev_get_by_index+0x5e/0x80 [ 5557.858588][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5557.858588][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5557.858588][ T1167] ip6_route_add+0x1c/0x140 [ 5557.858588][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5557.858588][ T1167] addrconf_add_dev+0xe2/0x170 [ 5557.858588][ T1167] inet6_addr_add+0x12f/0xa40 [ 5557.858588][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5557.858588][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5557.858588][ T1167] netlink_rcv_skb+0x130/0x360 [ 5557.858588][ T1167] netlink_unicast+0x449/0x710 [ 5557.858588][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5557.858588][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5557.858588][ T1167] ___sys_sendmsg+0xee/0x170 [ 5557.858588][ T1167] __sys_sendmsg+0xcd/0x170 [ 5557.858588][ T1167] do_syscall_64+0xc6/0x1e0 [ 5557.858588][ T1167] [ 5557.860826][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5557.860826][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5557.860826][ T1167] ipv6_find_idev+0x102/0x170 [ 5557.860826][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5557.860826][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5557.860826][ T1167] netlink_rcv_skb+0x130/0x360 [ 5557.860826][ T1167] netlink_unicast+0x449/0x710 [ 5557.860826][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5557.860826][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5557.860826][ T1167] ___sys_sendmsg+0xee/0x170 [ 5557.860826][ T1167] __sys_sendmsg+0xcd/0x170 [ 5557.860826][ T1167] do_syscall_64+0xc6/0x1e0 [ 5557.860826][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5557.860826][ T1167] [ 5557.862580][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5557.862580][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5557.862580][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5557.862580][ T1167] ipv6_find_idev+0x102/0x170 [ 5557.862580][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5557.862580][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5557.862580][ T1167] netlink_rcv_skb+0x130/0x360 [ 5557.862580][ T1167] netlink_unicast+0x449/0x710 [ 5557.862580][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5557.862580][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5557.862580][ T1167] ___sys_sendmsg+0xee/0x170 [ 5557.862580][ T1167] __sys_sendmsg+0xcd/0x170 [ 5557.862580][ T1167] do_syscall_64+0xc6/0x1e0 [ 5557.862580][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5557.862580][ T1167] [ 5566.489124][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5566.489567][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5566.489567][ T10] netdev_get_by_index+0x5e/0x80 [ 5566.489567][ T10] fib6_nh_init+0x3d8/0x1580 [ 5566.489567][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5566.489567][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5566.489567][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5566.489567][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5566.489567][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5566.489567][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5566.489567][ T10] addrconf_dad_begin+0x310/0x670 [ 5566.489567][ T10] addrconf_dad_work+0x10b/0xab0 [ 5566.489567][ T10] process_one_work+0x84d/0x18a0 [ 5566.489567][ T10] worker_thread+0x587/0xd30 [ 5566.489567][ T10] kthread+0x28a/0x350 [ 5566.489567][ T10] ret_from_fork+0x31/0x70 [ 5566.489567][ T10] ret_from_fork_asm+0x1a/0x30 [ 5566.489567][ T10] [ 5566.491526][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5566.491526][ T10] netdev_get_by_index+0x5e/0x80 [ 5566.491526][ T10] fib6_nh_init+0x3d8/0x1580 [ 5566.491526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5566.491526][ T10] ip6_route_add+0x1c/0x140 [ 5566.491526][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5566.491526][ T10] inet6_addr_add+0x4f8/0xa40 [ 5566.491526][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5566.491526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.491526][ T10] netlink_rcv_skb+0x130/0x360 [ 5566.491526][ T10] netlink_unicast+0x449/0x710 [ 5566.491526][ T10] netlink_sendmsg+0x723/0xbe0 [ 5566.491526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5566.491526][ T10] ___sys_sendmsg+0xee/0x170 [ 5566.491526][ T10] __sys_sendmsg+0xcd/0x170 [ 5566.491526][ T10] do_syscall_64+0xc6/0x1e0 [ 5566.491526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.491526][ T10] [ 5566.493588][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5566.493588][ T10] netdev_get_by_index+0x5e/0x80 [ 5566.493588][ T10] fib6_nh_init+0x3d8/0x1580 [ 5566.493588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5566.493588][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5566.493588][ T10] ipv6_add_addr+0x411/0x2000 [ 5566.493588][ T10] inet6_addr_add+0x30e/0xa40 [ 5566.493588][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5566.493588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.493588][ T10] netlink_rcv_skb+0x130/0x360 [ 5566.493588][ T10] netlink_unicast+0x449/0x710 [ 5566.493588][ T10] netlink_sendmsg+0x723/0xbe0 [ 5566.493588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5566.493588][ T10] ___sys_sendmsg+0xee/0x170 [ 5566.493588][ T10] __sys_sendmsg+0xcd/0x170 [ 5566.493588][ T10] do_syscall_64+0xc6/0x1e0 [ 5566.493588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.493588][ T10] [ 5566.495605][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5566.495605][ T10] netdev_get_by_index+0x5e/0x80 [ 5566.495605][ T10] fib6_nh_init+0x3d8/0x1580 [ 5566.495605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5566.495605][ T10] ip6_route_add+0x1c/0x140 [ 5566.495605][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5566.495605][ T10] addrconf_add_dev+0xe2/0x170 [ 5566.495605][ T10] inet6_addr_add+0x12f/0xa40 [ 5566.495605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5566.495605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.495605][ T10] netlink_rcv_skb+0x130/0x360 [ 5566.495605][ T10] netlink_unicast+0x449/0x710 [ 5566.495605][ T10] netlink_sendmsg+0x723/0xbe0 [ 5566.495605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5566.495605][ T10] ___sys_sendmsg+0xee/0x170 [ 5566.495605][ T10] __sys_sendmsg+0xcd/0x170 [ 5566.495605][ T10] do_syscall_64+0xc6/0x1e0 [ 5566.495605][ T10] [ 5566.497609][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5566.497609][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5566.497609][ T10] ipv6_find_idev+0x102/0x170 [ 5566.497609][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5566.497609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.497609][ T10] netlink_rcv_skb+0x130/0x360 [ 5566.497609][ T10] netlink_unicast+0x449/0x710 [ 5566.497609][ T10] netlink_sendmsg+0x723/0xbe0 [ 5566.497609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5566.497609][ T10] ___sys_sendmsg+0xee/0x170 [ 5566.497609][ T10] __sys_sendmsg+0xcd/0x170 [ 5566.497609][ T10] do_syscall_64+0xc6/0x1e0 [ 5566.497609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.497609][ T10] [ 5566.499170][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5566.499170][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5566.499170][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5566.499170][ T10] ipv6_find_idev+0x102/0x170 [ 5566.499170][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5566.499170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.499170][ T10] netlink_rcv_skb+0x130/0x360 [ 5566.499170][ T10] netlink_unicast+0x449/0x710 [ 5566.499170][ T10] netlink_sendmsg+0x723/0xbe0 [ 5566.499170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5566.499170][ T10] ___sys_sendmsg+0xee/0x170 [ 5566.499170][ T10] __sys_sendmsg+0xcd/0x170 [ 5566.499170][ T10] do_syscall_64+0xc6/0x1e0 [ 5566.499170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.499170][ T10] [ 5566.500898][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5566.501157][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5566.501157][ T10] netdev_get_by_index+0x5e/0x80 [ 5566.501157][ T10] fib6_nh_init+0x3d8/0x1580 [ 5566.501157][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5566.501157][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5566.501157][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5566.501157][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5566.501157][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5566.501157][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5566.501157][ T10] addrconf_dad_begin+0x310/0x670 [ 5566.501157][ T10] addrconf_dad_work+0x10b/0xab0 [ 5566.501157][ T10] process_one_work+0x84d/0x18a0 [ 5566.501157][ T10] worker_thread+0x587/0xd30 [ 5566.501157][ T10] kthread+0x28a/0x350 [ 5566.501157][ T10] ret_from_fork+0x31/0x70 [ 5566.501157][ T10] ret_from_fork_asm+0x1a/0x30 [ 5566.501157][ T10] [ 5566.503114][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5566.503114][ T10] netdev_get_by_index+0x5e/0x80 [ 5566.503114][ T10] fib6_nh_init+0x3d8/0x1580 [ 5566.503114][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5566.503114][ T10] ip6_route_add+0x1c/0x140 [ 5566.503114][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5566.503114][ T10] inet6_addr_add+0x4f8/0xa40 [ 5566.503114][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5566.503114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.503114][ T10] netlink_rcv_skb+0x130/0x360 [ 5566.503114][ T10] netlink_unicast+0x449/0x710 [ 5566.503114][ T10] netlink_sendmsg+0x723/0xbe0 [ 5566.503114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5566.503114][ T10] ___sys_sendmsg+0xee/0x170 [ 5566.503114][ T10] __sys_sendmsg+0xcd/0x170 [ 5566.503114][ T10] do_syscall_64+0xc6/0x1e0 [ 5566.503114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.503114][ T10] [ 5566.505140][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5566.505140][ T10] netdev_get_by_index+0x5e/0x80 [ 5566.505140][ T10] fib6_nh_init+0x3d8/0x1580 [ 5566.505140][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5566.505140][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5566.505140][ T10] ipv6_add_addr+0x411/0x2000 [ 5566.505140][ T10] inet6_addr_add+0x30e/0xa40 [ 5566.505140][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5566.505140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.505140][ T10] netlink_rcv_skb+0x130/0x360 [ 5566.505140][ T10] netlink_unicast+0x449/0x710 [ 5566.505140][ T10] netlink_sendmsg+0x723/0xbe0 [ 5566.505140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5566.505140][ T10] ___sys_sendmsg+0xee/0x170 [ 5566.505140][ T10] __sys_sendmsg+0xcd/0x170 [ 5566.505140][ T10] do_syscall_64+0xc6/0x1e0 [ 5566.505140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.505140][ T10] [ 5566.507159][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5566.507159][ T10] netdev_get_by_index+0x5e/0x80 [ 5566.507159][ T10] fib6_nh_init+0x3d8/0x1580 [ 5566.507159][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5566.507159][ T10] ip6_route_add+0x1c/0x140 [ 5566.507159][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5566.507159][ T10] addrconf_add_dev+0xe2/0x170 [ 5566.507159][ T10] inet6_addr_add+0x12f/0xa40 [ 5566.507159][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5566.507159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.507159][ T10] netlink_rcv_skb+0x130/0x360 [ 5566.507159][ T10] netlink_unicast+0x449/0x710 [ 5566.507159][ T10] netlink_sendmsg+0x723/0xbe0 [ 5566.507159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5566.507159][ T10] ___sys_sendmsg+0xee/0x170 [ 5566.507159][ T10] __sys_sendmsg+0xcd/0x170 [ 5566.507159][ T10] do_syscall_64+0xc6/0x1e0 [ 5566.507159][ T10] [ 5566.509156][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5566.509156][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5566.509156][ T10] ipv6_find_idev+0x102/0x170 [ 5566.509156][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5566.509156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.509156][ T10] netlink_rcv_skb+0x130/0x360 [ 5566.509156][ T10] netlink_unicast+0x449/0x710 [ 5566.509156][ T10] netlink_sendmsg+0x723/0xbe0 [ 5566.509156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5566.509156][ T10] ___sys_sendmsg+0xee/0x170 [ 5566.509156][ T10] __sys_sendmsg+0xcd/0x170 [ 5566.509156][ T10] do_syscall_64+0xc6/0x1e0 [ 5566.509156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.509156][ T10] [ 5566.510713][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5566.510713][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5566.510713][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5566.510713][ T10] ipv6_find_idev+0x102/0x170 [ 5566.510713][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5566.510713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.510713][ T10] netlink_rcv_skb+0x130/0x360 [ 5566.510713][ T10] netlink_unicast+0x449/0x710 [ 5566.510713][ T10] netlink_sendmsg+0x723/0xbe0 [ 5566.510713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5566.510713][ T10] ___sys_sendmsg+0xee/0x170 [ 5566.510713][ T10] __sys_sendmsg+0xcd/0x170 [ 5566.510713][ T10] do_syscall_64+0xc6/0x1e0 [ 5566.510713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.510713][ T10] [ 5566.512426][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5566.512667][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5566.512667][ T10] netdev_get_by_index+0x5e/0x80 [ 5566.512667][ T10] fib6_nh_init+0x3d8/0x1580 [ 5566.512667][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5566.512667][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5566.512667][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5566.512667][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5566.512667][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5566.512667][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5566.512667][ T10] addrconf_dad_begin+0x310/0x670 [ 5566.512667][ T10] addrconf_dad_work+0x10b/0xab0 [ 5566.512667][ T10] process_one_work+0x84d/0x18a0 [ 5566.512667][ T10] worker_thread+0x587/0xd30 [ 5566.512667][ T10] kthread+0x28a/0x350 [ 5566.512667][ T10] ret_from_fork+0x31/0x70 [ 5566.512667][ T10] ret_from_fork_asm+0x1a/0x30 [ 5566.512667][ T10] [ 5566.514626][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5566.514626][ T10] netdev_get_by_index+0x5e/0x80 [ 5566.514626][ T10] fib6_nh_init+0x3d8/0x1580 [ 5566.514626][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5566.514626][ T10] ip6_route_add+0x1c/0x140 [ 5566.514626][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5566.514626][ T10] inet6_addr_add+0x4f8/0xa40 [ 5566.514626][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5566.514626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.514626][ T10] netlink_rcv_skb+0x130/0x360 [ 5566.514626][ T10] netlink_unicast+0x449/0x710 [ 5566.514626][ T10] netlink_sendmsg+0x723/0xbe0 [ 5566.514626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5566.514626][ T10] ___sys_sendmsg+0xee/0x170 [ 5566.514626][ T10] __sys_sendmsg+0xcd/0x170 [ 5566.514626][ T10] do_syscall_64+0xc6/0x1e0 [ 5566.514626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.514626][ T10] [ 5566.516829][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5566.516829][ T10] netdev_get_by_index+0x5e/0x80 [ 5566.516829][ T10] fib6_nh_init+0x3d8/0x1580 [ 5566.516829][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5566.516829][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5566.516829][ T10] ipv6_add_addr+0x411/0x2000 [ 5566.516829][ T10] inet6_addr_add+0x30e/0xa40 [ 5566.516829][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5566.516829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.516829][ T10] netlink_rcv_skb+0x130/0x360 [ 5566.516829][ T10] netlink_unicast+0x449/0x710 [ 5566.516829][ T10] netlink_sendmsg+0x723/0xbe0 [ 5566.516829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5566.516829][ T10] ___sys_sendmsg+0xee/0x170 [ 5566.516829][ T10] __sys_sendmsg+0xcd/0x170 [ 5566.516829][ T10] do_syscall_64+0xc6/0x1e0 [ 5566.516829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.516829][ T10] [ 5566.519163][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5566.519163][ T10] netdev_get_by_index+0x5e/0x80 [ 5566.519163][ T10] fib6_nh_init+0x3d8/0x1580 [ 5566.519163][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5566.519163][ T10] ip6_route_add+0x1c/0x140 [ 5566.519163][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5566.519163][ T10] addrconf_add_dev+0xe2/0x170 [ 5566.519163][ T10] inet6_addr_add+0x12f/0xa40 [ 5566.519163][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5566.519163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.519163][ T10] netlink_rcv_skb+0x130/0x360 [ 5566.519163][ T10] netlink_unicast+0x449/0x710 [ 5566.519163][ T10] netlink_sendmsg+0x723/0xbe0 [ 5566.519163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5566.519163][ T10] ___sys_sendmsg+0xee/0x170 [ 5566.519163][ T10] __sys_sendmsg+0xcd/0x170 [ 5566.519163][ T10] do_syscall_64+0xc6/0x1e0 [ 5566.519163][ T10] [ 5566.521384][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5566.521384][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5566.521384][ T10] ipv6_find_idev+0x102/0x170 [ 5566.521384][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5566.521384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.521384][ T10] netlink_rcv_skb+0x130/0x360 [ 5566.521384][ T10] netlink_unicast+0x449/0x710 [ 5566.521384][ T10] netlink_sendmsg+0x723/0xbe0 [ 5566.521384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5566.521384][ T10] ___sys_sendmsg+0xee/0x170 [ 5566.521384][ T10] __sys_sendmsg+0xcd/0x170 [ 5566.521384][ T10] do_syscall_64+0xc6/0x1e0 [ 5566.521384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.521384][ T10] [ 5566.523127][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5566.523127][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5566.523127][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5566.523127][ T10] ipv6_find_idev+0x102/0x170 [ 5566.523127][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5566.523127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.523127][ T10] netlink_rcv_skb+0x130/0x360 [ 5566.523127][ T10] netlink_unicast+0x449/0x710 [ 5566.523127][ T10] netlink_sendmsg+0x723/0xbe0 [ 5566.523127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5566.523127][ T10] ___sys_sendmsg+0xee/0x170 [ 5566.523127][ T10] __sys_sendmsg+0xcd/0x170 [ 5566.523127][ T10] do_syscall_64+0xc6/0x1e0 [ 5566.523127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.523127][ T10] [ 5566.525421][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5566.526093][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5566.526093][ T10] netdev_get_by_index+0x5e/0x80 [ 5566.526093][ T10] fib6_nh_init+0x3d8/0x1580 [ 5566.526093][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5566.526093][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5566.526093][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5566.526093][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5566.526093][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5566.526093][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5566.526093][ T10] addrconf_dad_begin+0x310/0x670 [ 5566.526093][ T10] addrconf_dad_work+0x10b/0xab0 [ 5566.526093][ T10] process_one_work+0x84d/0x18a0 [ 5566.526093][ T10] worker_thread+0x587/0xd30 [ 5566.526093][ T10] kthread+0x28a/0x350 [ 5566.526093][ T10] ret_from_fork+0x31/0x70 [ 5566.526093][ T10] ret_from_fork_asm+0x1a/0x30 [ 5566.526093][ T10] [ 5566.528011][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5566.528011][ T10] netdev_get_by_index+0x5e/0x80 [ 5566.528011][ T10] fib6_nh_init+0x3d8/0x1580 [ 5566.528011][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5566.528011][ T10] ip6_route_add+0x1c/0x140 [ 5566.528011][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5566.528011][ T10] inet6_addr_add+0x4f8/0xa40 [ 5566.528011][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5566.528011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.528011][ T10] netlink_rcv_skb+0x130/0x360 [ 5566.528011][ T10] netlink_unicast+0x449/0x710 [ 5566.528011][ T10] netlink_sendmsg+0x723/0xbe0 [ 5566.528011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5566.528011][ T10] ___sys_sendmsg+0xee/0x170 [ 5566.528011][ T10] __sys_sendmsg+0xcd/0x170 [ 5566.528011][ T10] do_syscall_64+0xc6/0x1e0 [ 5566.528011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.528011][ T10] [ 5566.530037][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5566.530037][ T10] netdev_get_by_index+0x5e/0x80 [ 5566.530037][ T10] fib6_nh_init+0x3d8/0x1580 [ 5566.530037][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5566.530037][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5566.530037][ T10] ipv6_add_addr+0x411/0x2000 [ 5566.530037][ T10] inet6_addr_add+0x30e/0xa40 [ 5566.530037][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5566.530037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.530037][ T10] netlink_rcv_skb+0x130/0x360 [ 5566.530037][ T10] netlink_unicast+0x449/0x710 [ 5566.530037][ T10] netlink_sendmsg+0x723/0xbe0 [ 5566.530037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5566.530037][ T10] ___sys_sendmsg+0xee/0x170 [ 5566.530037][ T10] __sys_sendmsg+0xcd/0x170 [ 5566.530037][ T10] do_syscall_64+0xc6/0x1e0 [ 5566.530037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.530037][ T10] [ 5566.532062][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5566.532062][ T10] netdev_get_by_index+0x5e/0x80 [ 5566.532062][ T10] fib6_nh_init+0x3d8/0x1580 [ 5566.532062][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5566.532062][ T10] ip6_route_add+0x1c/0x140 [ 5566.532062][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5566.532062][ T10] addrconf_add_dev+0xe2/0x170 [ 5566.532062][ T10] inet6_addr_add+0x12f/0xa40 [ 5566.532062][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5566.532062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.532062][ T10] netlink_rcv_skb+0x130/0x360 [ 5566.532062][ T10] netlink_unicast+0x449/0x710 [ 5566.532062][ T10] netlink_sendmsg+0x723/0xbe0 [ 5566.532062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5566.532062][ T10] ___sys_sendmsg+0xee/0x170 [ 5566.532062][ T10] __sys_sendmsg+0xcd/0x170 [ 5566.532062][ T10] do_syscall_64+0xc6/0x1e0 [ 5566.532062][ T10] [ 5566.534352][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5566.534352][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5566.534352][ T10] ipv6_find_idev+0x102/0x170 [ 5566.534352][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5566.534352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.534352][ T10] netlink_rcv_skb+0x130/0x360 [ 5566.534352][ T10] netlink_unicast+0x449/0x710 [ 5566.534352][ T10] netlink_sendmsg+0x723/0xbe0 [ 5566.534352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5566.534352][ T10] ___sys_sendmsg+0xee/0x170 [ 5566.534352][ T10] __sys_sendmsg+0xcd/0x170 [ 5566.534352][ T10] do_syscall_64+0xc6/0x1e0 [ 5566.534352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.534352][ T10] [ 5566.536030][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5566.536030][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5566.536030][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5566.536030][ T10] ipv6_find_idev+0x102/0x170 [ 5566.536030][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5566.536030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5566.536030][ T10] netlink_rcv_skb+0x130/0x360 [ 5566.536030][ T10] netlink_unicast+0x449/0x710 [ 5566.536030][ T10] netlink_sendmsg+0x723/0xbe0 [ 5566.536030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5566.536030][ T10] ___sys_sendmsg+0xee/0x170 [ 5566.536030][ T10] __sys_sendmsg+0xcd/0x170 [ 5566.536030][ T10] do_syscall_64+0xc6/0x1e0 [ 5566.536030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5566.536030][ T10] [ 5568.025107][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5568.025588][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5568.025588][ T1167] dst_init+0x84/0x4a0 [ 5568.025588][ T1167] dst_alloc+0x97/0x150 [ 5568.025588][ T1167] ip6_dst_alloc+0x23/0x90 [ 5568.025588][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5568.025588][ T1167] ip6_pol_route+0x56f/0x840 [ 5568.025588][ T1167] fib6_rule_lookup+0x334/0x630 [ 5568.025588][ T1167] ip6_route_output_flags+0x259/0x480 [ 5568.025588][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5568.025588][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5568.025588][ T1167] netlink_rcv_skb+0x130/0x360 [ 5568.025588][ T1167] netlink_unicast+0x449/0x710 [ 5568.025588][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5568.025588][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5568.025588][ T1167] ___sys_sendmsg+0xee/0x170 [ 5568.025588][ T1167] __sys_sendmsg+0xcd/0x170 [ 5568.025588][ T1167] do_syscall_64+0xc6/0x1e0 [ 5568.025588][ T1167] [ 5568.027790][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5568.027790][ T1167] netdev_get_by_index+0x5e/0x80 [ 5568.027790][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5568.027790][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5568.027790][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5568.027790][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5568.027790][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5568.027790][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5568.027790][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5568.027790][ T1167] addrconf_dad_begin+0x310/0x670 [ 5568.027790][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5568.027790][ T1167] process_one_work+0x84d/0x18a0 [ 5568.027790][ T1167] worker_thread+0x587/0xd30 [ 5568.027790][ T1167] kthread+0x28a/0x350 [ 5568.027790][ T1167] ret_from_fork+0x31/0x70 [ 5568.027790][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5568.027790][ T1167] [ 5568.029952][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5568.029952][ T1167] netdev_get_by_index+0x5e/0x80 [ 5568.029952][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5568.029952][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5568.029952][ T1167] ip6_route_add+0x1c/0x140 [ 5568.029952][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5568.029952][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5568.029952][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5568.029952][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5568.029952][ T1167] netlink_rcv_skb+0x130/0x360 [ 5568.029952][ T1167] netlink_unicast+0x449/0x710 [ 5568.029952][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5568.029952][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5568.029952][ T1167] ___sys_sendmsg+0xee/0x170 [ 5568.029952][ T1167] __sys_sendmsg+0xcd/0x170 [ 5568.029952][ T1167] do_syscall_64+0xc6/0x1e0 [ 5568.029952][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5568.029952][ T1167] [ 5568.032269][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5568.032269][ T1167] netdev_get_by_index+0x5e/0x80 [ 5568.032269][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5568.032269][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5568.032269][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5568.032269][ T1167] ipv6_add_addr+0x411/0x2000 [ 5568.032269][ T1167] inet6_addr_add+0x30e/0xa40 [ 5568.032269][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5568.032269][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5568.032269][ T1167] netlink_rcv_skb+0x130/0x360 [ 5568.032269][ T1167] netlink_unicast+0x449/0x710 [ 5568.032269][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5568.032269][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5568.032269][ T1167] ___sys_sendmsg+0xee/0x170 [ 5568.032269][ T1167] __sys_sendmsg+0xcd/0x170 [ 5568.032269][ T1167] do_syscall_64+0xc6/0x1e0 [ 5568.032269][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5568.032269][ T1167] [ 5568.034517][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5568.034517][ T1167] netdev_get_by_index+0x5e/0x80 [ 5568.034517][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5568.034517][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5568.034517][ T1167] ip6_route_add+0x1c/0x140 [ 5568.034517][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5568.034517][ T1167] addrconf_add_dev+0xe2/0x170 [ 5568.034517][ T1167] inet6_addr_add+0x12f/0xa40 [ 5568.034517][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5568.034517][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5568.034517][ T1167] netlink_rcv_skb+0x130/0x360 [ 5568.034517][ T1167] netlink_unicast+0x449/0x710 [ 5568.034517][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5568.034517][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5568.034517][ T1167] ___sys_sendmsg+0xee/0x170 [ 5568.034517][ T1167] __sys_sendmsg+0xcd/0x170 [ 5568.034517][ T1167] do_syscall_64+0xc6/0x1e0 [ 5568.034517][ T1167] [ 5568.036726][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5568.036726][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5568.036726][ T1167] ipv6_find_idev+0x102/0x170 [ 5568.036726][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5568.036726][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5568.036726][ T1167] netlink_rcv_skb+0x130/0x360 [ 5568.036726][ T1167] netlink_unicast+0x449/0x710 [ 5568.036726][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5568.036726][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5568.036726][ T1167] ___sys_sendmsg+0xee/0x170 [ 5568.036726][ T1167] __sys_sendmsg+0xcd/0x170 [ 5568.036726][ T1167] do_syscall_64+0xc6/0x1e0 [ 5568.036726][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5568.036726][ T1167] [ 5568.038470][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5568.038470][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5568.038470][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5568.038470][ T1167] ipv6_find_idev+0x102/0x170 [ 5568.038470][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5568.038470][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5568.038470][ T1167] netlink_rcv_skb+0x130/0x360 [ 5568.038470][ T1167] netlink_unicast+0x449/0x710 [ 5568.038470][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5568.038470][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5568.038470][ T1167] ___sys_sendmsg+0xee/0x170 [ 5568.038470][ T1167] __sys_sendmsg+0xcd/0x170 [ 5568.038470][ T1167] do_syscall_64+0xc6/0x1e0 [ 5568.038470][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5568.038470][ T1167] [ 5576.745188][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5576.745596][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5576.745596][ T10] netdev_get_by_index+0x5e/0x80 [ 5576.745596][ T10] fib6_nh_init+0x3d8/0x1580 [ 5576.745596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5576.745596][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5576.745596][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5576.745596][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5576.745596][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5576.745596][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5576.745596][ T10] addrconf_dad_begin+0x310/0x670 [ 5576.745596][ T10] addrconf_dad_work+0x10b/0xab0 [ 5576.745596][ T10] process_one_work+0x84d/0x18a0 [ 5576.745596][ T10] worker_thread+0x587/0xd30 [ 5576.745596][ T10] kthread+0x28a/0x350 [ 5576.745596][ T10] ret_from_fork+0x31/0x70 [ 5576.745596][ T10] ret_from_fork_asm+0x1a/0x30 [ 5576.745596][ T10] [ 5576.747583][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5576.747583][ T10] netdev_get_by_index+0x5e/0x80 [ 5576.747583][ T10] fib6_nh_init+0x3d8/0x1580 [ 5576.747583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5576.747583][ T10] ip6_route_add+0x1c/0x140 [ 5576.747583][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5576.747583][ T10] inet6_addr_add+0x4f8/0xa40 [ 5576.747583][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5576.747583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5576.747583][ T10] netlink_rcv_skb+0x130/0x360 [ 5576.747583][ T10] netlink_unicast+0x449/0x710 [ 5576.747583][ T10] netlink_sendmsg+0x723/0xbe0 [ 5576.747583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5576.747583][ T10] ___sys_sendmsg+0xee/0x170 [ 5576.747583][ T10] __sys_sendmsg+0xcd/0x170 [ 5576.747583][ T10] do_syscall_64+0xc6/0x1e0 [ 5576.747583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5576.747583][ T10] [ 5576.749634][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5576.749634][ T10] netdev_get_by_index+0x5e/0x80 [ 5576.749634][ T10] fib6_nh_init+0x3d8/0x1580 [ 5576.749634][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5576.749634][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5576.749634][ T10] ipv6_add_addr+0x411/0x2000 [ 5576.749634][ T10] inet6_addr_add+0x30e/0xa40 [ 5576.749634][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5576.749634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5576.749634][ T10] netlink_rcv_skb+0x130/0x360 [ 5576.749634][ T10] netlink_unicast+0x449/0x710 [ 5576.749634][ T10] netlink_sendmsg+0x723/0xbe0 [ 5576.749634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5576.749634][ T10] ___sys_sendmsg+0xee/0x170 [ 5576.749634][ T10] __sys_sendmsg+0xcd/0x170 [ 5576.749634][ T10] do_syscall_64+0xc6/0x1e0 [ 5576.749634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5576.749634][ T10] [ 5576.751664][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5576.751664][ T10] netdev_get_by_index+0x5e/0x80 [ 5576.751664][ T10] fib6_nh_init+0x3d8/0x1580 [ 5576.751664][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5576.751664][ T10] ip6_route_add+0x1c/0x140 [ 5576.751664][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5576.751664][ T10] addrconf_add_dev+0xe2/0x170 [ 5576.751664][ T10] inet6_addr_add+0x12f/0xa40 [ 5576.751664][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5576.751664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5576.751664][ T10] netlink_rcv_skb+0x130/0x360 [ 5576.751664][ T10] netlink_unicast+0x449/0x710 [ 5576.751664][ T10] netlink_sendmsg+0x723/0xbe0 [ 5576.751664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5576.751664][ T10] ___sys_sendmsg+0xee/0x170 [ 5576.751664][ T10] __sys_sendmsg+0xcd/0x170 [ 5576.751664][ T10] do_syscall_64+0xc6/0x1e0 [ 5576.751664][ T10] [ 5576.753651][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5576.753651][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5576.753651][ T10] ipv6_find_idev+0x102/0x170 [ 5576.753651][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5576.753651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5576.753651][ T10] netlink_rcv_skb+0x130/0x360 [ 5576.753651][ T10] netlink_unicast+0x449/0x710 [ 5576.753651][ T10] netlink_sendmsg+0x723/0xbe0 [ 5576.753651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5576.753651][ T10] ___sys_sendmsg+0xee/0x170 [ 5576.753651][ T10] __sys_sendmsg+0xcd/0x170 [ 5576.753651][ T10] do_syscall_64+0xc6/0x1e0 [ 5576.753651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5576.753651][ T10] [ 5576.755208][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5576.755208][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5576.755208][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5576.755208][ T10] ipv6_find_idev+0x102/0x170 [ 5576.755208][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5576.755208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5576.755208][ T10] netlink_rcv_skb+0x130/0x360 [ 5576.755208][ T10] netlink_unicast+0x449/0x710 [ 5576.755208][ T10] netlink_sendmsg+0x723/0xbe0 [ 5576.755208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5576.755208][ T10] ___sys_sendmsg+0xee/0x170 [ 5576.755208][ T10] __sys_sendmsg+0xcd/0x170 [ 5576.755208][ T10] do_syscall_64+0xc6/0x1e0 [ 5576.755208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5576.755208][ T10] [ 5576.756928][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5576.757204][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5576.757204][ T10] netdev_get_by_index+0x5e/0x80 [ 5576.757204][ T10] fib6_nh_init+0x3d8/0x1580 [ 5576.757204][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5576.757204][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5576.757204][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5576.757204][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5576.757204][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5576.757204][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5576.757204][ T10] addrconf_dad_begin+0x310/0x670 [ 5576.757204][ T10] addrconf_dad_work+0x10b/0xab0 [ 5576.757204][ T10] process_one_work+0x84d/0x18a0 [ 5576.757204][ T10] worker_thread+0x587/0xd30 [ 5576.757204][ T10] kthread+0x28a/0x350 [ 5576.757204][ T10] ret_from_fork+0x31/0x70 [ 5576.757204][ T10] ret_from_fork_asm+0x1a/0x30 [ 5576.757204][ T10] [ 5576.759139][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5576.759139][ T10] netdev_get_by_index+0x5e/0x80 [ 5576.759139][ T10] fib6_nh_init+0x3d8/0x1580 [ 5576.759139][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5576.759139][ T10] ip6_route_add+0x1c/0x140 [ 5576.759139][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5576.759139][ T10] inet6_addr_add+0x4f8/0xa40 [ 5576.759139][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5576.759139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5576.759139][ T10] netlink_rcv_skb+0x130/0x360 [ 5576.759139][ T10] netlink_unicast+0x449/0x710 [ 5576.759139][ T10] netlink_sendmsg+0x723/0xbe0 [ 5576.759139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5576.759139][ T10] ___sys_sendmsg+0xee/0x170 [ 5576.759139][ T10] __sys_sendmsg+0xcd/0x170 [ 5576.759139][ T10] do_syscall_64+0xc6/0x1e0 [ 5576.759139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5576.759139][ T10] [ 5576.761159][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5576.761159][ T10] netdev_get_by_index+0x5e/0x80 [ 5576.761159][ T10] fib6_nh_init+0x3d8/0x1580 [ 5576.761159][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5576.761159][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5576.761159][ T10] ipv6_add_addr+0x411/0x2000 [ 5576.761159][ T10] inet6_addr_add+0x30e/0xa40 [ 5576.761159][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5576.761159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5576.761159][ T10] netlink_rcv_skb+0x130/0x360 [ 5576.761159][ T10] netlink_unicast+0x449/0x710 [ 5576.761159][ T10] netlink_sendmsg+0x723/0xbe0 [ 5576.761159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5576.761159][ T10] ___sys_sendmsg+0xee/0x170 [ 5576.761159][ T10] __sys_sendmsg+0xcd/0x170 [ 5576.761159][ T10] do_syscall_64+0xc6/0x1e0 [ 5576.761159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5576.761159][ T10] [ 5576.763192][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5576.763192][ T10] netdev_get_by_index+0x5e/0x80 [ 5576.763192][ T10] fib6_nh_init+0x3d8/0x1580 [ 5576.763192][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5576.763192][ T10] ip6_route_add+0x1c/0x140 [ 5576.763192][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5576.763192][ T10] addrconf_add_dev+0xe2/0x170 [ 5576.763192][ T10] inet6_addr_add+0x12f/0xa40 [ 5576.763192][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5576.763192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5576.763192][ T10] netlink_rcv_skb+0x130/0x360 [ 5576.763192][ T10] netlink_unicast+0x449/0x710 [ 5576.763192][ T10] netlink_sendmsg+0x723/0xbe0 [ 5576.763192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5576.763192][ T10] ___sys_sendmsg+0xee/0x170 [ 5576.763192][ T10] __sys_sendmsg+0xcd/0x170 [ 5576.763192][ T10] do_syscall_64+0xc6/0x1e0 [ 5576.763192][ T10] [ 5576.765178][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5576.765178][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5576.765178][ T10] ipv6_find_idev+0x102/0x170 [ 5576.765178][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5576.765178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5576.765178][ T10] netlink_rcv_skb+0x130/0x360 [ 5576.765178][ T10] netlink_unicast+0x449/0x710 [ 5576.765178][ T10] netlink_sendmsg+0x723/0xbe0 [ 5576.765178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5576.765178][ T10] ___sys_sendmsg+0xee/0x170 [ 5576.765178][ T10] __sys_sendmsg+0xcd/0x170 [ 5576.765178][ T10] do_syscall_64+0xc6/0x1e0 [ 5576.765178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5576.765178][ T10] [ 5576.766736][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5576.766736][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5576.766736][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5576.766736][ T10] ipv6_find_idev+0x102/0x170 [ 5576.766736][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5576.766736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5576.766736][ T10] netlink_rcv_skb+0x130/0x360 [ 5576.766736][ T10] netlink_unicast+0x449/0x710 [ 5576.766736][ T10] netlink_sendmsg+0x723/0xbe0 [ 5576.766736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5576.766736][ T10] ___sys_sendmsg+0xee/0x170 [ 5576.766736][ T10] __sys_sendmsg+0xcd/0x170 [ 5576.766736][ T10] do_syscall_64+0xc6/0x1e0 [ 5576.766736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5576.766736][ T10] [ 5576.768440][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5576.768681][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5576.768681][ T10] netdev_get_by_index+0x5e/0x80 [ 5576.768681][ T10] fib6_nh_init+0x3d8/0x1580 [ 5576.768681][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5576.768681][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5576.768681][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5576.768681][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5576.768681][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5576.768681][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5576.768681][ T10] addrconf_dad_begin+0x310/0x670 [ 5576.768681][ T10] addrconf_dad_work+0x10b/0xab0 [ 5576.768681][ T10] process_one_work+0x84d/0x18a0 [ 5576.768681][ T10] worker_thread+0x587/0xd30 [ 5576.768681][ T10] kthread+0x28a/0x350 [ 5576.768681][ T10] ret_from_fork+0x31/0x70 [ 5576.768681][ T10] ret_from_fork_asm+0x1a/0x30 [ 5576.768681][ T10] [ 5576.770620][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5576.770620][ T10] netdev_get_by_index+0x5e/0x80 [ 5576.770620][ T10] fib6_nh_init+0x3d8/0x1580 [ 5576.770620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5576.770620][ T10] ip6_route_add+0x1c/0x140 [ 5576.770620][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5576.770620][ T10] inet6_addr_add+0x4f8/0xa40 [ 5576.770620][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5576.770620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5576.770620][ T10] netlink_rcv_skb+0x130/0x360 [ 5576.770620][ T10] netlink_unicast+0x449/0x710 [ 5576.770620][ T10] netlink_sendmsg+0x723/0xbe0 [ 5576.770620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5576.770620][ T10] ___sys_sendmsg+0xee/0x170 [ 5576.770620][ T10] __sys_sendmsg+0xcd/0x170 [ 5576.770620][ T10] do_syscall_64+0xc6/0x1e0 [ 5576.770620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5576.770620][ T10] [ 5576.772848][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5576.772848][ T10] netdev_get_by_index+0x5e/0x80 [ 5576.772848][ T10] fib6_nh_init+0x3d8/0x1580 [ 5576.772848][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5576.772848][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5576.772848][ T10] ipv6_add_addr+0x411/0x2000 [ 5576.772848][ T10] inet6_addr_add+0x30e/0xa40 [ 5576.772848][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5576.772848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5576.772848][ T10] netlink_rcv_skb+0x130/0x360 [ 5576.772848][ T10] netlink_unicast+0x449/0x710 [ 5576.772848][ T10] netlink_sendmsg+0x723/0xbe0 [ 5576.772848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5576.772848][ T10] ___sys_sendmsg+0xee/0x170 [ 5576.772848][ T10] __sys_sendmsg+0xcd/0x170 [ 5576.772848][ T10] do_syscall_64+0xc6/0x1e0 [ 5576.772848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5576.772848][ T10] [ 5576.775180][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5576.775180][ T10] netdev_get_by_index+0x5e/0x80 [ 5576.775180][ T10] fib6_nh_init+0x3d8/0x1580 [ 5576.775180][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5576.775180][ T10] ip6_route_add+0x1c/0x140 [ 5576.775180][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5576.775180][ T10] addrconf_add_dev+0xe2/0x170 [ 5576.775180][ T10] inet6_addr_add+0x12f/0xa40 [ 5576.775180][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5576.775180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5576.775180][ T10] netlink_rcv_skb+0x130/0x360 [ 5576.775180][ T10] netlink_unicast+0x449/0x710 [ 5576.775180][ T10] netlink_sendmsg+0x723/0xbe0 [ 5576.775180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5576.775180][ T10] ___sys_sendmsg+0xee/0x170 [ 5576.775180][ T10] __sys_sendmsg+0xcd/0x170 [ 5576.775180][ T10] do_syscall_64+0xc6/0x1e0 [ 5576.775180][ T10] [ 5576.777414][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5576.777414][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5576.777414][ T10] ipv6_find_idev+0x102/0x170 [ 5576.777414][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5576.777414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5576.777414][ T10] netlink_rcv_skb+0x130/0x360 [ 5576.777414][ T10] netlink_unicast+0x449/0x710 [ 5576.777414][ T10] netlink_sendmsg+0x723/0xbe0 [ 5576.777414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5576.777414][ T10] ___sys_sendmsg+0xee/0x170 [ 5576.777414][ T10] __sys_sendmsg+0xcd/0x170 [ 5576.777414][ T10] do_syscall_64+0xc6/0x1e0 [ 5576.777414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5576.777414][ T10] [ 5576.779163][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5576.779163][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5576.779163][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5576.779163][ T10] ipv6_find_idev+0x102/0x170 [ 5576.779163][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5576.779163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5576.779163][ T10] netlink_rcv_skb+0x130/0x360 [ 5576.779163][ T10] netlink_unicast+0x449/0x710 [ 5576.779163][ T10] netlink_sendmsg+0x723/0xbe0 [ 5576.779163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5576.779163][ T10] ___sys_sendmsg+0xee/0x170 [ 5576.779163][ T10] __sys_sendmsg+0xcd/0x170 [ 5576.779163][ T10] do_syscall_64+0xc6/0x1e0 [ 5576.779163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5576.779163][ T10] [ 5576.781050][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5576.781287][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5576.781287][ T10] netdev_get_by_index+0x5e/0x80 [ 5576.781287][ T10] fib6_nh_init+0x3d8/0x1580 [ 5576.781287][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5576.781287][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5576.781287][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5576.781287][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5576.781287][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5576.781287][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5576.781287][ T10] addrconf_dad_begin+0x310/0x670 [ 5576.781287][ T10] addrconf_dad_work+0x10b/0xab0 [ 5576.781287][ T10] process_one_work+0x84d/0x18a0 [ 5576.781287][ T10] worker_thread+0x587/0xd30 [ 5576.781287][ T10] kthread+0x28a/0x350 [ 5576.781287][ T10] ret_from_fork+0x31/0x70 [ 5576.781287][ T10] ret_from_fork_asm+0x1a/0x30 [ 5576.781287][ T10] [ 5576.783480][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5576.783480][ T10] netdev_get_by_index+0x5e/0x80 [ 5576.783480][ T10] fib6_nh_init+0x3d8/0x1580 [ 5576.783480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5576.783480][ T10] ip6_route_add+0x1c/0x140 [ 5576.783480][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5576.783480][ T10] inet6_addr_add+0x4f8/0xa40 [ 5576.783480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5576.783480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5576.783480][ T10] netlink_rcv_skb+0x130/0x360 [ 5576.783480][ T10] netlink_unicast+0x449/0x710 [ 5576.783480][ T10] netlink_sendmsg+0x723/0xbe0 [ 5576.783480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5576.783480][ T10] ___sys_sendmsg+0xee/0x170 [ 5576.783480][ T10] __sys_sendmsg+0xcd/0x170 [ 5576.783480][ T10] do_syscall_64+0xc6/0x1e0 [ 5576.783480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5576.783480][ T10] [ 5576.785802][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5576.785802][ T10] netdev_get_by_index+0x5e/0x80 [ 5576.785802][ T10] fib6_nh_init+0x3d8/0x1580 [ 5576.785802][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5576.785802][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5576.785802][ T10] ipv6_add_addr+0x411/0x2000 [ 5576.785802][ T10] inet6_addr_add+0x30e/0xa40 [ 5576.785802][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5576.785802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5576.785802][ T10] netlink_rcv_skb+0x130/0x360 [ 5576.785802][ T10] netlink_unicast+0x449/0x710 [ 5576.785802][ T10] netlink_sendmsg+0x723/0xbe0 [ 5576.785802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5576.785802][ T10] ___sys_sendmsg+0xee/0x170 [ 5576.785802][ T10] __sys_sendmsg+0xcd/0x170 [ 5576.785802][ T10] do_syscall_64+0xc6/0x1e0 [ 5576.785802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5576.785802][ T10] [ 5576.788072][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5576.788072][ T10] netdev_get_by_index+0x5e/0x80 [ 5576.788072][ T10] fib6_nh_init+0x3d8/0x1580 [ 5576.788072][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5576.788072][ T10] ip6_route_add+0x1c/0x140 [ 5576.788072][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5576.788072][ T10] addrconf_add_dev+0xe2/0x170 [ 5576.788072][ T10] inet6_addr_add+0x12f/0xa40 [ 5576.788072][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5576.788072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5576.788072][ T10] netlink_rcv_skb+0x130/0x360 [ 5576.788072][ T10] netlink_unicast+0x449/0x710 [ 5576.788072][ T10] netlink_sendmsg+0x723/0xbe0 [ 5576.788072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5576.788072][ T10] ___sys_sendmsg+0xee/0x170 [ 5576.788072][ T10] __sys_sendmsg+0xcd/0x170 [ 5576.788072][ T10] do_syscall_64+0xc6/0x1e0 [ 5576.788072][ T10] [ 5576.790233][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5576.790233][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5576.790233][ T10] ipv6_find_idev+0x102/0x170 [ 5576.790233][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5576.790233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5576.790233][ T10] netlink_rcv_skb+0x130/0x360 [ 5576.790233][ T10] netlink_unicast+0x449/0x710 [ 5576.790233][ T10] netlink_sendmsg+0x723/0xbe0 [ 5576.790233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5576.790233][ T10] ___sys_sendmsg+0xee/0x170 [ 5576.790233][ T10] __sys_sendmsg+0xcd/0x170 [ 5576.790233][ T10] do_syscall_64+0xc6/0x1e0 [ 5576.790233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5576.790233][ T10] [ 5576.792017][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5576.792017][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5576.792017][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5576.792017][ T10] ipv6_find_idev+0x102/0x170 [ 5576.792017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5576.792017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5576.792017][ T10] netlink_rcv_skb+0x130/0x360 [ 5576.792017][ T10] netlink_unicast+0x449/0x710 [ 5576.792017][ T10] netlink_sendmsg+0x723/0xbe0 [ 5576.792017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5576.792017][ T10] ___sys_sendmsg+0xee/0x170 [ 5576.792017][ T10] __sys_sendmsg+0xcd/0x170 [ 5576.792017][ T10] do_syscall_64+0xc6/0x1e0 [ 5576.792017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5576.792017][ T10] [ 5578.281104][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5578.281583][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5578.281583][ T1167] dst_init+0x84/0x4a0 [ 5578.281583][ T1167] dst_alloc+0x97/0x150 [ 5578.281583][ T1167] ip6_dst_alloc+0x23/0x90 [ 5578.281583][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5578.281583][ T1167] ip6_pol_route+0x56f/0x840 [ 5578.281583][ T1167] fib6_rule_lookup+0x334/0x630 [ 5578.281583][ T1167] ip6_route_output_flags+0x259/0x480 [ 5578.281583][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5578.281583][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5578.281583][ T1167] netlink_rcv_skb+0x130/0x360 [ 5578.281583][ T1167] netlink_unicast+0x449/0x710 [ 5578.281583][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5578.281583][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5578.281583][ T1167] ___sys_sendmsg+0xee/0x170 [ 5578.281583][ T1167] __sys_sendmsg+0xcd/0x170 [ 5578.281583][ T1167] do_syscall_64+0xc6/0x1e0 [ 5578.281583][ T1167] [ 5578.283868][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5578.283868][ T1167] netdev_get_by_index+0x5e/0x80 [ 5578.283868][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5578.283868][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5578.283868][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5578.283868][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5578.283868][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5578.283868][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5578.283868][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5578.283868][ T1167] addrconf_dad_begin+0x310/0x670 [ 5578.283868][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5578.283868][ T1167] process_one_work+0x84d/0x18a0 [ 5578.283868][ T1167] worker_thread+0x587/0xd30 [ 5578.283868][ T1167] kthread+0x28a/0x350 [ 5578.283868][ T1167] ret_from_fork+0x31/0x70 [ 5578.283868][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5578.283868][ T1167] [ 5578.286028][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5578.286028][ T1167] netdev_get_by_index+0x5e/0x80 [ 5578.286028][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5578.286028][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5578.286028][ T1167] ip6_route_add+0x1c/0x140 [ 5578.286028][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5578.286028][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5578.286028][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5578.286028][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5578.286028][ T1167] netlink_rcv_skb+0x130/0x360 [ 5578.286028][ T1167] netlink_unicast+0x449/0x710 [ 5578.286028][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5578.286028][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5578.286028][ T1167] ___sys_sendmsg+0xee/0x170 [ 5578.286028][ T1167] __sys_sendmsg+0xcd/0x170 [ 5578.286028][ T1167] do_syscall_64+0xc6/0x1e0 [ 5578.286028][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5578.286028][ T1167] [ 5578.288280][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5578.288280][ T1167] netdev_get_by_index+0x5e/0x80 [ 5578.288280][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5578.288280][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5578.288280][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5578.288280][ T1167] ipv6_add_addr+0x411/0x2000 [ 5578.288280][ T1167] inet6_addr_add+0x30e/0xa40 [ 5578.288280][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5578.288280][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5578.288280][ T1167] netlink_rcv_skb+0x130/0x360 [ 5578.288280][ T1167] netlink_unicast+0x449/0x710 [ 5578.288280][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5578.288280][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5578.288280][ T1167] ___sys_sendmsg+0xee/0x170 [ 5578.288280][ T1167] __sys_sendmsg+0xcd/0x170 [ 5578.288280][ T1167] do_syscall_64+0xc6/0x1e0 [ 5578.288280][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5578.288280][ T1167] [ 5578.290533][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5578.290533][ T1167] netdev_get_by_index+0x5e/0x80 [ 5578.290533][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5578.290533][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5578.290533][ T1167] ip6_route_add+0x1c/0x140 [ 5578.290533][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5578.290533][ T1167] addrconf_add_dev+0xe2/0x170 [ 5578.290533][ T1167] inet6_addr_add+0x12f/0xa40 [ 5578.290533][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5578.290533][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5578.290533][ T1167] netlink_rcv_skb+0x130/0x360 [ 5578.290533][ T1167] netlink_unicast+0x449/0x710 [ 5578.290533][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5578.290533][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5578.290533][ T1167] ___sys_sendmsg+0xee/0x170 [ 5578.290533][ T1167] __sys_sendmsg+0xcd/0x170 [ 5578.290533][ T1167] do_syscall_64+0xc6/0x1e0 [ 5578.290533][ T1167] [ 5578.292776][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5578.292776][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5578.292776][ T1167] ipv6_find_idev+0x102/0x170 [ 5578.292776][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5578.292776][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5578.292776][ T1167] netlink_rcv_skb+0x130/0x360 [ 5578.292776][ T1167] netlink_unicast+0x449/0x710 [ 5578.292776][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5578.292776][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5578.292776][ T1167] ___sys_sendmsg+0xee/0x170 [ 5578.292776][ T1167] __sys_sendmsg+0xcd/0x170 [ 5578.292776][ T1167] do_syscall_64+0xc6/0x1e0 [ 5578.292776][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5578.292776][ T1167] [ 5578.294508][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5578.294508][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5578.294508][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5578.294508][ T1167] ipv6_find_idev+0x102/0x170 [ 5578.294508][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5578.294508][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5578.294508][ T1167] netlink_rcv_skb+0x130/0x360 [ 5578.294508][ T1167] netlink_unicast+0x449/0x710 [ 5578.294508][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5578.294508][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5578.294508][ T1167] ___sys_sendmsg+0xee/0x170 [ 5578.294508][ T1167] __sys_sendmsg+0xcd/0x170 [ 5578.294508][ T1167] do_syscall_64+0xc6/0x1e0 [ 5578.294508][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5578.294508][ T1167] [ 5587.049098][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5587.049509][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5587.049509][ T10] netdev_get_by_index+0x5e/0x80 [ 5587.049509][ T10] fib6_nh_init+0x3d8/0x1580 [ 5587.049509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5587.049509][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5587.049509][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5587.049509][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5587.049509][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5587.049509][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5587.049509][ T10] addrconf_dad_begin+0x310/0x670 [ 5587.049509][ T10] addrconf_dad_work+0x10b/0xab0 [ 5587.049509][ T10] process_one_work+0x84d/0x18a0 [ 5587.049509][ T10] worker_thread+0x587/0xd30 [ 5587.049509][ T10] kthread+0x28a/0x350 [ 5587.049509][ T10] ret_from_fork+0x31/0x70 [ 5587.049509][ T10] ret_from_fork_asm+0x1a/0x30 [ 5587.049509][ T10] [ 5587.051493][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5587.051493][ T10] netdev_get_by_index+0x5e/0x80 [ 5587.051493][ T10] fib6_nh_init+0x3d8/0x1580 [ 5587.051493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5587.051493][ T10] ip6_route_add+0x1c/0x140 [ 5587.051493][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5587.051493][ T10] inet6_addr_add+0x4f8/0xa40 [ 5587.051493][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5587.051493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.051493][ T10] netlink_rcv_skb+0x130/0x360 [ 5587.051493][ T10] netlink_unicast+0x449/0x710 [ 5587.051493][ T10] netlink_sendmsg+0x723/0xbe0 [ 5587.051493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5587.051493][ T10] ___sys_sendmsg+0xee/0x170 [ 5587.051493][ T10] __sys_sendmsg+0xcd/0x170 [ 5587.051493][ T10] do_syscall_64+0xc6/0x1e0 [ 5587.051493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.051493][ T10] [ 5587.053527][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5587.053527][ T10] netdev_get_by_index+0x5e/0x80 [ 5587.053527][ T10] fib6_nh_init+0x3d8/0x1580 [ 5587.053527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5587.053527][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5587.053527][ T10] ipv6_add_addr+0x411/0x2000 [ 5587.053527][ T10] inet6_addr_add+0x30e/0xa40 [ 5587.053527][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5587.053527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.053527][ T10] netlink_rcv_skb+0x130/0x360 [ 5587.053527][ T10] netlink_unicast+0x449/0x710 [ 5587.053527][ T10] netlink_sendmsg+0x723/0xbe0 [ 5587.053527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5587.053527][ T10] ___sys_sendmsg+0xee/0x170 [ 5587.053527][ T10] __sys_sendmsg+0xcd/0x170 [ 5587.053527][ T10] do_syscall_64+0xc6/0x1e0 [ 5587.053527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.053527][ T10] [ 5587.055568][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5587.055568][ T10] netdev_get_by_index+0x5e/0x80 [ 5587.055568][ T10] fib6_nh_init+0x3d8/0x1580 [ 5587.055568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5587.055568][ T10] ip6_route_add+0x1c/0x140 [ 5587.055568][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5587.055568][ T10] addrconf_add_dev+0xe2/0x170 [ 5587.055568][ T10] inet6_addr_add+0x12f/0xa40 [ 5587.055568][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5587.055568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.055568][ T10] netlink_rcv_skb+0x130/0x360 [ 5587.055568][ T10] netlink_unicast+0x449/0x710 [ 5587.055568][ T10] netlink_sendmsg+0x723/0xbe0 [ 5587.055568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5587.055568][ T10] ___sys_sendmsg+0xee/0x170 [ 5587.055568][ T10] __sys_sendmsg+0xcd/0x170 [ 5587.055568][ T10] do_syscall_64+0xc6/0x1e0 [ 5587.055568][ T10] [ 5587.057545][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5587.057545][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5587.057545][ T10] ipv6_find_idev+0x102/0x170 [ 5587.057545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5587.057545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.057545][ T10] netlink_rcv_skb+0x130/0x360 [ 5587.057545][ T10] netlink_unicast+0x449/0x710 [ 5587.057545][ T10] netlink_sendmsg+0x723/0xbe0 [ 5587.057545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5587.057545][ T10] ___sys_sendmsg+0xee/0x170 [ 5587.057545][ T10] __sys_sendmsg+0xcd/0x170 [ 5587.057545][ T10] do_syscall_64+0xc6/0x1e0 [ 5587.057545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.057545][ T10] [ 5587.059108][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5587.059108][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5587.059108][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5587.059108][ T10] ipv6_find_idev+0x102/0x170 [ 5587.059108][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5587.059108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.059108][ T10] netlink_rcv_skb+0x130/0x360 [ 5587.059108][ T10] netlink_unicast+0x449/0x710 [ 5587.059108][ T10] netlink_sendmsg+0x723/0xbe0 [ 5587.059108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5587.059108][ T10] ___sys_sendmsg+0xee/0x170 [ 5587.059108][ T10] __sys_sendmsg+0xcd/0x170 [ 5587.059108][ T10] do_syscall_64+0xc6/0x1e0 [ 5587.059108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.059108][ T10] [ 5587.060827][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5587.061091][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5587.061091][ T10] netdev_get_by_index+0x5e/0x80 [ 5587.061091][ T10] fib6_nh_init+0x3d8/0x1580 [ 5587.061091][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5587.061091][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5587.061091][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5587.061091][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5587.061091][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5587.061091][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5587.061091][ T10] addrconf_dad_begin+0x310/0x670 [ 5587.061091][ T10] addrconf_dad_work+0x10b/0xab0 [ 5587.061091][ T10] process_one_work+0x84d/0x18a0 [ 5587.061091][ T10] worker_thread+0x587/0xd30 [ 5587.061091][ T10] kthread+0x28a/0x350 [ 5587.061091][ T10] ret_from_fork+0x31/0x70 [ 5587.061091][ T10] ret_from_fork_asm+0x1a/0x30 [ 5587.061091][ T10] [ 5587.063031][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5587.063031][ T10] netdev_get_by_index+0x5e/0x80 [ 5587.063031][ T10] fib6_nh_init+0x3d8/0x1580 [ 5587.063031][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5587.063031][ T10] ip6_route_add+0x1c/0x140 [ 5587.063031][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5587.063031][ T10] inet6_addr_add+0x4f8/0xa40 [ 5587.063031][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5587.063031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.063031][ T10] netlink_rcv_skb+0x130/0x360 [ 5587.063031][ T10] netlink_unicast+0x449/0x710 [ 5587.063031][ T10] netlink_sendmsg+0x723/0xbe0 [ 5587.063031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5587.063031][ T10] ___sys_sendmsg+0xee/0x170 [ 5587.063031][ T10] __sys_sendmsg+0xcd/0x170 [ 5587.063031][ T10] do_syscall_64+0xc6/0x1e0 [ 5587.063031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.063031][ T10] [ 5587.065050][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5587.065050][ T10] netdev_get_by_index+0x5e/0x80 [ 5587.065050][ T10] fib6_nh_init+0x3d8/0x1580 [ 5587.065050][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5587.065050][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5587.065050][ T10] ipv6_add_addr+0x411/0x2000 [ 5587.065050][ T10] inet6_addr_add+0x30e/0xa40 [ 5587.065050][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5587.065050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.065050][ T10] netlink_rcv_skb+0x130/0x360 [ 5587.065050][ T10] netlink_unicast+0x449/0x710 [ 5587.065050][ T10] netlink_sendmsg+0x723/0xbe0 [ 5587.065050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5587.065050][ T10] ___sys_sendmsg+0xee/0x170 [ 5587.065050][ T10] __sys_sendmsg+0xcd/0x170 [ 5587.065050][ T10] do_syscall_64+0xc6/0x1e0 [ 5587.065050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.065050][ T10] [ 5587.067068][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5587.067068][ T10] netdev_get_by_index+0x5e/0x80 [ 5587.067068][ T10] fib6_nh_init+0x3d8/0x1580 [ 5587.067068][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5587.067068][ T10] ip6_route_add+0x1c/0x140 [ 5587.067068][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5587.067068][ T10] addrconf_add_dev+0xe2/0x170 [ 5587.067068][ T10] inet6_addr_add+0x12f/0xa40 [ 5587.067068][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5587.067068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.067068][ T10] netlink_rcv_skb+0x130/0x360 [ 5587.067068][ T10] netlink_unicast+0x449/0x710 [ 5587.067068][ T10] netlink_sendmsg+0x723/0xbe0 [ 5587.067068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5587.067068][ T10] ___sys_sendmsg+0xee/0x170 [ 5587.067068][ T10] __sys_sendmsg+0xcd/0x170 [ 5587.067068][ T10] do_syscall_64+0xc6/0x1e0 [ 5587.067068][ T10] [ 5587.069054][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5587.069054][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5587.069054][ T10] ipv6_find_idev+0x102/0x170 [ 5587.069054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5587.069054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.069054][ T10] netlink_rcv_skb+0x130/0x360 [ 5587.069054][ T10] netlink_unicast+0x449/0x710 [ 5587.069054][ T10] netlink_sendmsg+0x723/0xbe0 [ 5587.069054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5587.069054][ T10] ___sys_sendmsg+0xee/0x170 [ 5587.069054][ T10] __sys_sendmsg+0xcd/0x170 [ 5587.069054][ T10] do_syscall_64+0xc6/0x1e0 [ 5587.069054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.069054][ T10] [ 5587.070611][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5587.070611][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5587.070611][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5587.070611][ T10] ipv6_find_idev+0x102/0x170 [ 5587.070611][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5587.070611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.070611][ T10] netlink_rcv_skb+0x130/0x360 [ 5587.070611][ T10] netlink_unicast+0x449/0x710 [ 5587.070611][ T10] netlink_sendmsg+0x723/0xbe0 [ 5587.070611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5587.070611][ T10] ___sys_sendmsg+0xee/0x170 [ 5587.070611][ T10] __sys_sendmsg+0xcd/0x170 [ 5587.070611][ T10] do_syscall_64+0xc6/0x1e0 [ 5587.070611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.070611][ T10] [ 5587.072331][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5587.072580][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5587.072580][ T10] netdev_get_by_index+0x5e/0x80 [ 5587.072580][ T10] fib6_nh_init+0x3d8/0x1580 [ 5587.072580][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5587.072580][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5587.072580][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5587.072580][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5587.072580][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5587.072580][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5587.072580][ T10] addrconf_dad_begin+0x310/0x670 [ 5587.072580][ T10] addrconf_dad_work+0x10b/0xab0 [ 5587.072580][ T10] process_one_work+0x84d/0x18a0 [ 5587.072580][ T10] worker_thread+0x587/0xd30 [ 5587.072580][ T10] kthread+0x28a/0x350 [ 5587.072580][ T10] ret_from_fork+0x31/0x70 [ 5587.072580][ T10] ret_from_fork_asm+0x1a/0x30 [ 5587.072580][ T10] [ 5587.074507][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5587.074507][ T10] netdev_get_by_index+0x5e/0x80 [ 5587.074507][ T10] fib6_nh_init+0x3d8/0x1580 [ 5587.074507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5587.074507][ T10] ip6_route_add+0x1c/0x140 [ 5587.074507][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5587.074507][ T10] inet6_addr_add+0x4f8/0xa40 [ 5587.074507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5587.074507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.074507][ T10] netlink_rcv_skb+0x130/0x360 [ 5587.074507][ T10] netlink_unicast+0x449/0x710 [ 5587.074507][ T10] netlink_sendmsg+0x723/0xbe0 [ 5587.074507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5587.074507][ T10] ___sys_sendmsg+0xee/0x170 [ 5587.074507][ T10] __sys_sendmsg+0xcd/0x170 [ 5587.074507][ T10] do_syscall_64+0xc6/0x1e0 [ 5587.074507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.074507][ T10] [ 5587.076722][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5587.076722][ T10] netdev_get_by_index+0x5e/0x80 [ 5587.076722][ T10] fib6_nh_init+0x3d8/0x1580 [ 5587.076722][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5587.076722][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5587.076722][ T10] ipv6_add_addr+0x411/0x2000 [ 5587.076722][ T10] inet6_addr_add+0x30e/0xa40 [ 5587.076722][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5587.076722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.076722][ T10] netlink_rcv_skb+0x130/0x360 [ 5587.076722][ T10] netlink_unicast+0x449/0x710 [ 5587.076722][ T10] netlink_sendmsg+0x723/0xbe0 [ 5587.076722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5587.076722][ T10] ___sys_sendmsg+0xee/0x170 [ 5587.076722][ T10] __sys_sendmsg+0xcd/0x170 [ 5587.076722][ T10] do_syscall_64+0xc6/0x1e0 [ 5587.076722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.076722][ T10] [ 5587.078988][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5587.078988][ T10] netdev_get_by_index+0x5e/0x80 [ 5587.078988][ T10] fib6_nh_init+0x3d8/0x1580 [ 5587.078988][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5587.078988][ T10] ip6_route_add+0x1c/0x140 [ 5587.078988][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5587.078988][ T10] addrconf_add_dev+0xe2/0x170 [ 5587.078988][ T10] inet6_addr_add+0x12f/0xa40 [ 5587.078988][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5587.078988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.078988][ T10] netlink_rcv_skb+0x130/0x360 [ 5587.078988][ T10] netlink_unicast+0x449/0x710 [ 5587.078988][ T10] netlink_sendmsg+0x723/0xbe0 [ 5587.078988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5587.078988][ T10] ___sys_sendmsg+0xee/0x170 [ 5587.078988][ T10] __sys_sendmsg+0xcd/0x170 [ 5587.078988][ T10] do_syscall_64+0xc6/0x1e0 [ 5587.078988][ T10] [ 5587.081237][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5587.081237][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5587.081237][ T10] ipv6_find_idev+0x102/0x170 [ 5587.081237][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5587.081237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.081237][ T10] netlink_rcv_skb+0x130/0x360 [ 5587.081237][ T10] netlink_unicast+0x449/0x710 [ 5587.081237][ T10] netlink_sendmsg+0x723/0xbe0 [ 5587.081237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5587.081237][ T10] ___sys_sendmsg+0xee/0x170 [ 5587.081237][ T10] __sys_sendmsg+0xcd/0x170 [ 5587.081237][ T10] do_syscall_64+0xc6/0x1e0 [ 5587.081237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.081237][ T10] [ 5587.082998][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5587.082998][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5587.082998][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5587.082998][ T10] ipv6_find_idev+0x102/0x170 [ 5587.082998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5587.082998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.082998][ T10] netlink_rcv_skb+0x130/0x360 [ 5587.082998][ T10] netlink_unicast+0x449/0x710 [ 5587.082998][ T10] netlink_sendmsg+0x723/0xbe0 [ 5587.082998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5587.082998][ T10] ___sys_sendmsg+0xee/0x170 [ 5587.082998][ T10] __sys_sendmsg+0xcd/0x170 [ 5587.082998][ T10] do_syscall_64+0xc6/0x1e0 [ 5587.082998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.082998][ T10] [ 5587.084889][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5587.085559][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5587.085559][ T10] netdev_get_by_index+0x5e/0x80 [ 5587.085559][ T10] fib6_nh_init+0x3d8/0x1580 [ 5587.085559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5587.085559][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5587.085559][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5587.085559][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5587.085559][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5587.085559][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5587.085559][ T10] addrconf_dad_begin+0x310/0x670 [ 5587.085559][ T10] addrconf_dad_work+0x10b/0xab0 [ 5587.085559][ T10] process_one_work+0x84d/0x18a0 [ 5587.085559][ T10] worker_thread+0x587/0xd30 [ 5587.085559][ T10] kthread+0x28a/0x350 [ 5587.085559][ T10] ret_from_fork+0x31/0x70 [ 5587.085559][ T10] ret_from_fork_asm+0x1a/0x30 [ 5587.085559][ T10] [ 5587.087488][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5587.087488][ T10] netdev_get_by_index+0x5e/0x80 [ 5587.087488][ T10] fib6_nh_init+0x3d8/0x1580 [ 5587.087488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5587.087488][ T10] ip6_route_add+0x1c/0x140 [ 5587.087488][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5587.087488][ T10] inet6_addr_add+0x4f8/0xa40 [ 5587.087488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5587.087488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.087488][ T10] netlink_rcv_skb+0x130/0x360 [ 5587.087488][ T10] netlink_unicast+0x449/0x710 [ 5587.087488][ T10] netlink_sendmsg+0x723/0xbe0 [ 5587.087488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5587.087488][ T10] ___sys_sendmsg+0xee/0x170 [ 5587.087488][ T10] __sys_sendmsg+0xcd/0x170 [ 5587.087488][ T10] do_syscall_64+0xc6/0x1e0 [ 5587.087488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.087488][ T10] [ 5587.089682][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5587.089682][ T10] netdev_get_by_index+0x5e/0x80 [ 5587.089682][ T10] fib6_nh_init+0x3d8/0x1580 [ 5587.089682][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5587.089682][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5587.089682][ T10] ipv6_add_addr+0x411/0x2000 [ 5587.089682][ T10] inet6_addr_add+0x30e/0xa40 [ 5587.089682][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5587.089682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.089682][ T10] netlink_rcv_skb+0x130/0x360 [ 5587.089682][ T10] netlink_unicast+0x449/0x710 [ 5587.089682][ T10] netlink_sendmsg+0x723/0xbe0 [ 5587.089682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5587.089682][ T10] ___sys_sendmsg+0xee/0x170 [ 5587.089682][ T10] __sys_sendmsg+0xcd/0x170 [ 5587.089682][ T10] do_syscall_64+0xc6/0x1e0 [ 5587.089682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.089682][ T10] [ 5587.091960][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5587.091960][ T10] netdev_get_by_index+0x5e/0x80 [ 5587.091960][ T10] fib6_nh_init+0x3d8/0x1580 [ 5587.091960][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5587.091960][ T10] ip6_route_add+0x1c/0x140 [ 5587.091960][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5587.091960][ T10] addrconf_add_dev+0xe2/0x170 [ 5587.091960][ T10] inet6_addr_add+0x12f/0xa40 [ 5587.091960][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5587.091960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.091960][ T10] netlink_rcv_skb+0x130/0x360 [ 5587.091960][ T10] netlink_unicast+0x449/0x710 [ 5587.091960][ T10] netlink_sendmsg+0x723/0xbe0 [ 5587.091960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5587.091960][ T10] ___sys_sendmsg+0xee/0x170 [ 5587.091960][ T10] __sys_sendmsg+0xcd/0x170 [ 5587.091960][ T10] do_syscall_64+0xc6/0x1e0 [ 5587.091960][ T10] [ 5587.094124][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5587.094124][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5587.094124][ T10] ipv6_find_idev+0x102/0x170 [ 5587.094124][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5587.094124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.094124][ T10] netlink_rcv_skb+0x130/0x360 [ 5587.094124][ T10] netlink_unicast+0x449/0x710 [ 5587.094124][ T10] netlink_sendmsg+0x723/0xbe0 [ 5587.094124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5587.094124][ T10] ___sys_sendmsg+0xee/0x170 [ 5587.094124][ T10] __sys_sendmsg+0xcd/0x170 [ 5587.094124][ T10] do_syscall_64+0xc6/0x1e0 [ 5587.094124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.094124][ T10] [ 5587.095885][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5587.095885][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5587.095885][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5587.095885][ T10] ipv6_find_idev+0x102/0x170 [ 5587.095885][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5587.095885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5587.095885][ T10] netlink_rcv_skb+0x130/0x360 [ 5587.095885][ T10] netlink_unicast+0x449/0x710 [ 5587.095885][ T10] netlink_sendmsg+0x723/0xbe0 [ 5587.095885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5587.095885][ T10] ___sys_sendmsg+0xee/0x170 [ 5587.095885][ T10] __sys_sendmsg+0xcd/0x170 [ 5587.095885][ T10] do_syscall_64+0xc6/0x1e0 [ 5587.095885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5587.095885][ T10] [ 5588.537211][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5588.537673][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5588.537673][ T1167] dst_init+0x84/0x4a0 [ 5588.537673][ T1167] dst_alloc+0x97/0x150 [ 5588.537673][ T1167] ip6_dst_alloc+0x23/0x90 [ 5588.537673][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5588.537673][ T1167] ip6_pol_route+0x56f/0x840 [ 5588.537673][ T1167] fib6_rule_lookup+0x334/0x630 [ 5588.537673][ T1167] ip6_route_output_flags+0x259/0x480 [ 5588.537673][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5588.537673][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5588.537673][ T1167] netlink_rcv_skb+0x130/0x360 [ 5588.537673][ T1167] netlink_unicast+0x449/0x710 [ 5588.537673][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5588.537673][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5588.537673][ T1167] ___sys_sendmsg+0xee/0x170 [ 5588.537673][ T1167] __sys_sendmsg+0xcd/0x170 [ 5588.537673][ T1167] do_syscall_64+0xc6/0x1e0 [ 5588.537673][ T1167] [ 5588.539897][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5588.539897][ T1167] netdev_get_by_index+0x5e/0x80 [ 5588.539897][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5588.539897][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5588.539897][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5588.539897][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5588.539897][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5588.539897][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5588.539897][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5588.539897][ T1167] addrconf_dad_begin+0x310/0x670 [ 5588.539897][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5588.539897][ T1167] process_one_work+0x84d/0x18a0 [ 5588.539897][ T1167] worker_thread+0x587/0xd30 [ 5588.539897][ T1167] kthread+0x28a/0x350 [ 5588.539897][ T1167] ret_from_fork+0x31/0x70 [ 5588.539897][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5588.539897][ T1167] [ 5588.542100][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5588.542100][ T1167] netdev_get_by_index+0x5e/0x80 [ 5588.542100][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5588.542100][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5588.542100][ T1167] ip6_route_add+0x1c/0x140 [ 5588.542100][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5588.542100][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5588.542100][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5588.542100][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5588.542100][ T1167] netlink_rcv_skb+0x130/0x360 [ 5588.542100][ T1167] netlink_unicast+0x449/0x710 [ 5588.542100][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5588.542100][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5588.542100][ T1167] ___sys_sendmsg+0xee/0x170 [ 5588.542100][ T1167] __sys_sendmsg+0xcd/0x170 [ 5588.542100][ T1167] do_syscall_64+0xc6/0x1e0 [ 5588.542100][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5588.542100][ T1167] [ 5588.544358][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5588.544358][ T1167] netdev_get_by_index+0x5e/0x80 [ 5588.544358][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5588.544358][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5588.544358][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5588.544358][ T1167] ipv6_add_addr+0x411/0x2000 [ 5588.544358][ T1167] inet6_addr_add+0x30e/0xa40 [ 5588.544358][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5588.544358][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5588.544358][ T1167] netlink_rcv_skb+0x130/0x360 [ 5588.544358][ T1167] netlink_unicast+0x449/0x710 [ 5588.544358][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5588.544358][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5588.544358][ T1167] ___sys_sendmsg+0xee/0x170 [ 5588.544358][ T1167] __sys_sendmsg+0xcd/0x170 [ 5588.544358][ T1167] do_syscall_64+0xc6/0x1e0 [ 5588.544358][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5588.544358][ T1167] [ 5588.546610][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5588.546610][ T1167] netdev_get_by_index+0x5e/0x80 [ 5588.546610][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5588.546610][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5588.546610][ T1167] ip6_route_add+0x1c/0x140 [ 5588.546610][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5588.546610][ T1167] addrconf_add_dev+0xe2/0x170 [ 5588.546610][ T1167] inet6_addr_add+0x12f/0xa40 [ 5588.546610][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5588.546610][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5588.546610][ T1167] netlink_rcv_skb+0x130/0x360 [ 5588.546610][ T1167] netlink_unicast+0x449/0x710 [ 5588.546610][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5588.546610][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5588.546610][ T1167] ___sys_sendmsg+0xee/0x170 [ 5588.546610][ T1167] __sys_sendmsg+0xcd/0x170 [ 5588.546610][ T1167] do_syscall_64+0xc6/0x1e0 [ 5588.546610][ T1167] [ 5588.548840][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5588.548840][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5588.548840][ T1167] ipv6_find_idev+0x102/0x170 [ 5588.548840][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5588.548840][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5588.548840][ T1167] netlink_rcv_skb+0x130/0x360 [ 5588.548840][ T1167] netlink_unicast+0x449/0x710 [ 5588.548840][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5588.548840][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5588.548840][ T1167] ___sys_sendmsg+0xee/0x170 [ 5588.548840][ T1167] __sys_sendmsg+0xcd/0x170 [ 5588.548840][ T1167] do_syscall_64+0xc6/0x1e0 [ 5588.548840][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5588.548840][ T1167] [ 5588.550573][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5588.550573][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5588.550573][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5588.550573][ T1167] ipv6_find_idev+0x102/0x170 [ 5588.550573][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5588.550573][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5588.550573][ T1167] netlink_rcv_skb+0x130/0x360 [ 5588.550573][ T1167] netlink_unicast+0x449/0x710 [ 5588.550573][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5588.550573][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5588.550573][ T1167] ___sys_sendmsg+0xee/0x170 [ 5588.550573][ T1167] __sys_sendmsg+0xcd/0x170 [ 5588.550573][ T1167] do_syscall_64+0xc6/0x1e0 [ 5588.550573][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5588.550573][ T1167] [ 5597.249100][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5597.249525][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5597.249525][ T10] netdev_get_by_index+0x5e/0x80 [ 5597.249525][ T10] fib6_nh_init+0x3d8/0x1580 [ 5597.249525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5597.249525][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5597.249525][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5597.249525][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5597.249525][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5597.249525][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5597.249525][ T10] addrconf_dad_begin+0x310/0x670 [ 5597.249525][ T10] addrconf_dad_work+0x10b/0xab0 [ 5597.249525][ T10] process_one_work+0x84d/0x18a0 [ 5597.249525][ T10] worker_thread+0x587/0xd30 [ 5597.249525][ T10] kthread+0x28a/0x350 [ 5597.249525][ T10] ret_from_fork+0x31/0x70 [ 5597.249525][ T10] ret_from_fork_asm+0x1a/0x30 [ 5597.249525][ T10] [ 5597.251505][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5597.251505][ T10] netdev_get_by_index+0x5e/0x80 [ 5597.251505][ T10] fib6_nh_init+0x3d8/0x1580 [ 5597.251505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5597.251505][ T10] ip6_route_add+0x1c/0x140 [ 5597.251505][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5597.251505][ T10] inet6_addr_add+0x4f8/0xa40 [ 5597.251505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5597.251505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.251505][ T10] netlink_rcv_skb+0x130/0x360 [ 5597.251505][ T10] netlink_unicast+0x449/0x710 [ 5597.251505][ T10] netlink_sendmsg+0x723/0xbe0 [ 5597.251505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5597.251505][ T10] ___sys_sendmsg+0xee/0x170 [ 5597.251505][ T10] __sys_sendmsg+0xcd/0x170 [ 5597.251505][ T10] do_syscall_64+0xc6/0x1e0 [ 5597.251505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.251505][ T10] [ 5597.253532][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5597.253532][ T10] netdev_get_by_index+0x5e/0x80 [ 5597.253532][ T10] fib6_nh_init+0x3d8/0x1580 [ 5597.253532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5597.253532][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5597.253532][ T10] ipv6_add_addr+0x411/0x2000 [ 5597.253532][ T10] inet6_addr_add+0x30e/0xa40 [ 5597.253532][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5597.253532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.253532][ T10] netlink_rcv_skb+0x130/0x360 [ 5597.253532][ T10] netlink_unicast+0x449/0x710 [ 5597.253532][ T10] netlink_sendmsg+0x723/0xbe0 [ 5597.253532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5597.253532][ T10] ___sys_sendmsg+0xee/0x170 [ 5597.253532][ T10] __sys_sendmsg+0xcd/0x170 [ 5597.253532][ T10] do_syscall_64+0xc6/0x1e0 [ 5597.253532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.253532][ T10] [ 5597.255561][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5597.255561][ T10] netdev_get_by_index+0x5e/0x80 [ 5597.255561][ T10] fib6_nh_init+0x3d8/0x1580 [ 5597.255561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5597.255561][ T10] ip6_route_add+0x1c/0x140 [ 5597.255561][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5597.255561][ T10] addrconf_add_dev+0xe2/0x170 [ 5597.255561][ T10] inet6_addr_add+0x12f/0xa40 [ 5597.255561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5597.255561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.255561][ T10] netlink_rcv_skb+0x130/0x360 [ 5597.255561][ T10] netlink_unicast+0x449/0x710 [ 5597.255561][ T10] netlink_sendmsg+0x723/0xbe0 [ 5597.255561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5597.255561][ T10] ___sys_sendmsg+0xee/0x170 [ 5597.255561][ T10] __sys_sendmsg+0xcd/0x170 [ 5597.255561][ T10] do_syscall_64+0xc6/0x1e0 [ 5597.255561][ T10] [ 5597.257555][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5597.257555][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5597.257555][ T10] ipv6_find_idev+0x102/0x170 [ 5597.257555][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5597.257555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.257555][ T10] netlink_rcv_skb+0x130/0x360 [ 5597.257555][ T10] netlink_unicast+0x449/0x710 [ 5597.257555][ T10] netlink_sendmsg+0x723/0xbe0 [ 5597.257555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5597.257555][ T10] ___sys_sendmsg+0xee/0x170 [ 5597.257555][ T10] __sys_sendmsg+0xcd/0x170 [ 5597.257555][ T10] do_syscall_64+0xc6/0x1e0 [ 5597.257555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.257555][ T10] [ 5597.259114][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5597.259114][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5597.259114][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5597.259114][ T10] ipv6_find_idev+0x102/0x170 [ 5597.259114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5597.259114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.259114][ T10] netlink_rcv_skb+0x130/0x360 [ 5597.259114][ T10] netlink_unicast+0x449/0x710 [ 5597.259114][ T10] netlink_sendmsg+0x723/0xbe0 [ 5597.259114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5597.259114][ T10] ___sys_sendmsg+0xee/0x170 [ 5597.259114][ T10] __sys_sendmsg+0xcd/0x170 [ 5597.259114][ T10] do_syscall_64+0xc6/0x1e0 [ 5597.259114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.259114][ T10] [ 5597.260842][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5597.261103][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5597.261103][ T10] netdev_get_by_index+0x5e/0x80 [ 5597.261103][ T10] fib6_nh_init+0x3d8/0x1580 [ 5597.261103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5597.261103][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5597.261103][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5597.261103][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5597.261103][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5597.261103][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5597.261103][ T10] addrconf_dad_begin+0x310/0x670 [ 5597.261103][ T10] addrconf_dad_work+0x10b/0xab0 [ 5597.261103][ T10] process_one_work+0x84d/0x18a0 [ 5597.261103][ T10] worker_thread+0x587/0xd30 [ 5597.261103][ T10] kthread+0x28a/0x350 [ 5597.261103][ T10] ret_from_fork+0x31/0x70 [ 5597.261103][ T10] ret_from_fork_asm+0x1a/0x30 [ 5597.261103][ T10] [ 5597.263030][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5597.263030][ T10] netdev_get_by_index+0x5e/0x80 [ 5597.263030][ T10] fib6_nh_init+0x3d8/0x1580 [ 5597.263030][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5597.263030][ T10] ip6_route_add+0x1c/0x140 [ 5597.263030][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5597.263030][ T10] inet6_addr_add+0x4f8/0xa40 [ 5597.263030][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5597.263030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.263030][ T10] netlink_rcv_skb+0x130/0x360 [ 5597.263030][ T10] netlink_unicast+0x449/0x710 [ 5597.263030][ T10] netlink_sendmsg+0x723/0xbe0 [ 5597.263030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5597.263030][ T10] ___sys_sendmsg+0xee/0x170 [ 5597.263030][ T10] __sys_sendmsg+0xcd/0x170 [ 5597.263030][ T10] do_syscall_64+0xc6/0x1e0 [ 5597.263030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.263030][ T10] [ 5597.265042][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5597.265042][ T10] netdev_get_by_index+0x5e/0x80 [ 5597.265042][ T10] fib6_nh_init+0x3d8/0x1580 [ 5597.265042][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5597.265042][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5597.265042][ T10] ipv6_add_addr+0x411/0x2000 [ 5597.265042][ T10] inet6_addr_add+0x30e/0xa40 [ 5597.265042][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5597.265042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.265042][ T10] netlink_rcv_skb+0x130/0x360 [ 5597.265042][ T10] netlink_unicast+0x449/0x710 [ 5597.265042][ T10] netlink_sendmsg+0x723/0xbe0 [ 5597.265042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5597.265042][ T10] ___sys_sendmsg+0xee/0x170 [ 5597.265042][ T10] __sys_sendmsg+0xcd/0x170 [ 5597.265042][ T10] do_syscall_64+0xc6/0x1e0 [ 5597.265042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.265042][ T10] [ 5597.267075][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5597.267075][ T10] netdev_get_by_index+0x5e/0x80 [ 5597.267075][ T10] fib6_nh_init+0x3d8/0x1580 [ 5597.267075][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5597.267075][ T10] ip6_route_add+0x1c/0x140 [ 5597.267075][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5597.267075][ T10] addrconf_add_dev+0xe2/0x170 [ 5597.267075][ T10] inet6_addr_add+0x12f/0xa40 [ 5597.267075][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5597.267075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.267075][ T10] netlink_rcv_skb+0x130/0x360 [ 5597.267075][ T10] netlink_unicast+0x449/0x710 [ 5597.267075][ T10] netlink_sendmsg+0x723/0xbe0 [ 5597.267075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5597.267075][ T10] ___sys_sendmsg+0xee/0x170 [ 5597.267075][ T10] __sys_sendmsg+0xcd/0x170 [ 5597.267075][ T10] do_syscall_64+0xc6/0x1e0 [ 5597.267075][ T10] [ 5597.269053][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5597.269053][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5597.269053][ T10] ipv6_find_idev+0x102/0x170 [ 5597.269053][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5597.269053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.269053][ T10] netlink_rcv_skb+0x130/0x360 [ 5597.269053][ T10] netlink_unicast+0x449/0x710 [ 5597.269053][ T10] netlink_sendmsg+0x723/0xbe0 [ 5597.269053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5597.269053][ T10] ___sys_sendmsg+0xee/0x170 [ 5597.269053][ T10] __sys_sendmsg+0xcd/0x170 [ 5597.269053][ T10] do_syscall_64+0xc6/0x1e0 [ 5597.269053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.269053][ T10] [ 5597.270612][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5597.270612][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5597.270612][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5597.270612][ T10] ipv6_find_idev+0x102/0x170 [ 5597.270612][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5597.270612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.270612][ T10] netlink_rcv_skb+0x130/0x360 [ 5597.270612][ T10] netlink_unicast+0x449/0x710 [ 5597.270612][ T10] netlink_sendmsg+0x723/0xbe0 [ 5597.270612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5597.270612][ T10] ___sys_sendmsg+0xee/0x170 [ 5597.270612][ T10] __sys_sendmsg+0xcd/0x170 [ 5597.270612][ T10] do_syscall_64+0xc6/0x1e0 [ 5597.270612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.270612][ T10] [ 5597.272326][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5597.272578][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5597.272578][ T10] netdev_get_by_index+0x5e/0x80 [ 5597.272578][ T10] fib6_nh_init+0x3d8/0x1580 [ 5597.272578][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5597.272578][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5597.272578][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5597.272578][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5597.272578][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5597.272578][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5597.272578][ T10] addrconf_dad_begin+0x310/0x670 [ 5597.272578][ T10] addrconf_dad_work+0x10b/0xab0 [ 5597.272578][ T10] process_one_work+0x84d/0x18a0 [ 5597.272578][ T10] worker_thread+0x587/0xd30 [ 5597.272578][ T10] kthread+0x28a/0x350 [ 5597.272578][ T10] ret_from_fork+0x31/0x70 [ 5597.272578][ T10] ret_from_fork_asm+0x1a/0x30 [ 5597.272578][ T10] [ 5597.274507][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5597.274507][ T10] netdev_get_by_index+0x5e/0x80 [ 5597.274507][ T10] fib6_nh_init+0x3d8/0x1580 [ 5597.274507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5597.274507][ T10] ip6_route_add+0x1c/0x140 [ 5597.274507][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5597.274507][ T10] inet6_addr_add+0x4f8/0xa40 [ 5597.274507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5597.274507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.274507][ T10] netlink_rcv_skb+0x130/0x360 [ 5597.274507][ T10] netlink_unicast+0x449/0x710 [ 5597.274507][ T10] netlink_sendmsg+0x723/0xbe0 [ 5597.274507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5597.274507][ T10] ___sys_sendmsg+0xee/0x170 [ 5597.274507][ T10] __sys_sendmsg+0xcd/0x170 [ 5597.274507][ T10] do_syscall_64+0xc6/0x1e0 [ 5597.274507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.274507][ T10] [ 5597.276722][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5597.276722][ T10] netdev_get_by_index+0x5e/0x80 [ 5597.276722][ T10] fib6_nh_init+0x3d8/0x1580 [ 5597.276722][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5597.276722][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5597.276722][ T10] ipv6_add_addr+0x411/0x2000 [ 5597.276722][ T10] inet6_addr_add+0x30e/0xa40 [ 5597.276722][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5597.276722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.276722][ T10] netlink_rcv_skb+0x130/0x360 [ 5597.276722][ T10] netlink_unicast+0x449/0x710 [ 5597.276722][ T10] netlink_sendmsg+0x723/0xbe0 [ 5597.276722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5597.276722][ T10] ___sys_sendmsg+0xee/0x170 [ 5597.276722][ T10] __sys_sendmsg+0xcd/0x170 [ 5597.276722][ T10] do_syscall_64+0xc6/0x1e0 [ 5597.276722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.276722][ T10] [ 5597.279038][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5597.279038][ T10] netdev_get_by_index+0x5e/0x80 [ 5597.279038][ T10] fib6_nh_init+0x3d8/0x1580 [ 5597.279038][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5597.279038][ T10] ip6_route_add+0x1c/0x140 [ 5597.279038][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5597.279038][ T10] addrconf_add_dev+0xe2/0x170 [ 5597.279038][ T10] inet6_addr_add+0x12f/0xa40 [ 5597.279038][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5597.279038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.279038][ T10] netlink_rcv_skb+0x130/0x360 [ 5597.279038][ T10] netlink_unicast+0x449/0x710 [ 5597.279038][ T10] netlink_sendmsg+0x723/0xbe0 [ 5597.279038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5597.279038][ T10] ___sys_sendmsg+0xee/0x170 [ 5597.279038][ T10] __sys_sendmsg+0xcd/0x170 [ 5597.279038][ T10] do_syscall_64+0xc6/0x1e0 [ 5597.279038][ T10] [ 5597.281282][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5597.281282][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5597.281282][ T10] ipv6_find_idev+0x102/0x170 [ 5597.281282][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5597.281282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.281282][ T10] netlink_rcv_skb+0x130/0x360 [ 5597.281282][ T10] netlink_unicast+0x449/0x710 [ 5597.281282][ T10] netlink_sendmsg+0x723/0xbe0 [ 5597.281282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5597.281282][ T10] ___sys_sendmsg+0xee/0x170 [ 5597.281282][ T10] __sys_sendmsg+0xcd/0x170 [ 5597.281282][ T10] do_syscall_64+0xc6/0x1e0 [ 5597.281282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.281282][ T10] [ 5597.283048][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5597.283048][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5597.283048][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5597.283048][ T10] ipv6_find_idev+0x102/0x170 [ 5597.283048][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5597.283048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.283048][ T10] netlink_rcv_skb+0x130/0x360 [ 5597.283048][ T10] netlink_unicast+0x449/0x710 [ 5597.283048][ T10] netlink_sendmsg+0x723/0xbe0 [ 5597.283048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5597.283048][ T10] ___sys_sendmsg+0xee/0x170 [ 5597.283048][ T10] __sys_sendmsg+0xcd/0x170 [ 5597.283048][ T10] do_syscall_64+0xc6/0x1e0 [ 5597.283048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.283048][ T10] [ 5597.284930][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5597.285607][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5597.285607][ T10] netdev_get_by_index+0x5e/0x80 [ 5597.285607][ T10] fib6_nh_init+0x3d8/0x1580 [ 5597.285607][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5597.285607][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5597.285607][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5597.285607][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5597.285607][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5597.285607][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5597.285607][ T10] addrconf_dad_begin+0x310/0x670 [ 5597.285607][ T10] addrconf_dad_work+0x10b/0xab0 [ 5597.285607][ T10] process_one_work+0x84d/0x18a0 [ 5597.285607][ T10] worker_thread+0x587/0xd30 [ 5597.285607][ T10] kthread+0x28a/0x350 [ 5597.285607][ T10] ret_from_fork+0x31/0x70 [ 5597.285607][ T10] ret_from_fork_asm+0x1a/0x30 [ 5597.285607][ T10] [ 5597.287534][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5597.287534][ T10] netdev_get_by_index+0x5e/0x80 [ 5597.287534][ T10] fib6_nh_init+0x3d8/0x1580 [ 5597.287534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5597.287534][ T10] ip6_route_add+0x1c/0x140 [ 5597.287534][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5597.287534][ T10] inet6_addr_add+0x4f8/0xa40 [ 5597.287534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5597.287534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.287534][ T10] netlink_rcv_skb+0x130/0x360 [ 5597.287534][ T10] netlink_unicast+0x449/0x710 [ 5597.287534][ T10] netlink_sendmsg+0x723/0xbe0 [ 5597.287534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5597.287534][ T10] ___sys_sendmsg+0xee/0x170 [ 5597.287534][ T10] __sys_sendmsg+0xcd/0x170 [ 5597.287534][ T10] do_syscall_64+0xc6/0x1e0 [ 5597.287534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.287534][ T10] [ 5597.289662][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5597.289662][ T10] netdev_get_by_index+0x5e/0x80 [ 5597.289662][ T10] fib6_nh_init+0x3d8/0x1580 [ 5597.289662][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5597.289662][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5597.289662][ T10] ipv6_add_addr+0x411/0x2000 [ 5597.289662][ T10] inet6_addr_add+0x30e/0xa40 [ 5597.289662][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5597.289662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.289662][ T10] netlink_rcv_skb+0x130/0x360 [ 5597.289662][ T10] netlink_unicast+0x449/0x710 [ 5597.289662][ T10] netlink_sendmsg+0x723/0xbe0 [ 5597.289662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5597.289662][ T10] ___sys_sendmsg+0xee/0x170 [ 5597.289662][ T10] __sys_sendmsg+0xcd/0x170 [ 5597.289662][ T10] do_syscall_64+0xc6/0x1e0 [ 5597.289662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.289662][ T10] [ 5597.291999][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5597.291999][ T10] netdev_get_by_index+0x5e/0x80 [ 5597.291999][ T10] fib6_nh_init+0x3d8/0x1580 [ 5597.291999][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5597.291999][ T10] ip6_route_add+0x1c/0x140 [ 5597.291999][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5597.291999][ T10] addrconf_add_dev+0xe2/0x170 [ 5597.291999][ T10] inet6_addr_add+0x12f/0xa40 [ 5597.291999][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5597.291999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.291999][ T10] netlink_rcv_skb+0x130/0x360 [ 5597.291999][ T10] netlink_unicast+0x449/0x710 [ 5597.291999][ T10] netlink_sendmsg+0x723/0xbe0 [ 5597.291999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5597.291999][ T10] ___sys_sendmsg+0xee/0x170 [ 5597.291999][ T10] __sys_sendmsg+0xcd/0x170 [ 5597.291999][ T10] do_syscall_64+0xc6/0x1e0 [ 5597.291999][ T10] [ 5597.294176][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5597.294176][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5597.294176][ T10] ipv6_find_idev+0x102/0x170 [ 5597.294176][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5597.294176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.294176][ T10] netlink_rcv_skb+0x130/0x360 [ 5597.294176][ T10] netlink_unicast+0x449/0x710 [ 5597.294176][ T10] netlink_sendmsg+0x723/0xbe0 [ 5597.294176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5597.294176][ T10] ___sys_sendmsg+0xee/0x170 [ 5597.294176][ T10] __sys_sendmsg+0xcd/0x170 [ 5597.294176][ T10] do_syscall_64+0xc6/0x1e0 [ 5597.294176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.294176][ T10] [ 5597.295913][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5597.295913][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5597.295913][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5597.295913][ T10] ipv6_find_idev+0x102/0x170 [ 5597.295913][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5597.295913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5597.295913][ T10] netlink_rcv_skb+0x130/0x360 [ 5597.295913][ T10] netlink_unicast+0x449/0x710 [ 5597.295913][ T10] netlink_sendmsg+0x723/0xbe0 [ 5597.295913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5597.295913][ T10] ___sys_sendmsg+0xee/0x170 [ 5597.295913][ T10] __sys_sendmsg+0xcd/0x170 [ 5597.295913][ T10] do_syscall_64+0xc6/0x1e0 [ 5597.295913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5597.295913][ T10] [ 5598.785119][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5598.785603][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5598.785603][ T1167] dst_init+0x84/0x4a0 [ 5598.785603][ T1167] dst_alloc+0x97/0x150 [ 5598.785603][ T1167] ip6_dst_alloc+0x23/0x90 [ 5598.785603][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5598.785603][ T1167] ip6_pol_route+0x56f/0x840 [ 5598.785603][ T1167] fib6_rule_lookup+0x334/0x630 [ 5598.785603][ T1167] ip6_route_output_flags+0x259/0x480 [ 5598.785603][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5598.785603][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5598.785603][ T1167] netlink_rcv_skb+0x130/0x360 [ 5598.785603][ T1167] netlink_unicast+0x449/0x710 [ 5598.785603][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5598.785603][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5598.785603][ T1167] ___sys_sendmsg+0xee/0x170 [ 5598.785603][ T1167] __sys_sendmsg+0xcd/0x170 [ 5598.785603][ T1167] do_syscall_64+0xc6/0x1e0 [ 5598.785603][ T1167] [ 5598.787825][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5598.787825][ T1167] netdev_get_by_index+0x5e/0x80 [ 5598.787825][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5598.787825][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5598.787825][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5598.787825][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5598.787825][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5598.787825][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5598.787825][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5598.787825][ T1167] addrconf_dad_begin+0x310/0x670 [ 5598.787825][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5598.787825][ T1167] process_one_work+0x84d/0x18a0 [ 5598.787825][ T1167] worker_thread+0x587/0xd30 [ 5598.787825][ T1167] kthread+0x28a/0x350 [ 5598.787825][ T1167] ret_from_fork+0x31/0x70 [ 5598.787825][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5598.787825][ T1167] [ 5598.789976][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5598.789976][ T1167] netdev_get_by_index+0x5e/0x80 [ 5598.789976][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5598.789976][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5598.789976][ T1167] ip6_route_add+0x1c/0x140 [ 5598.789976][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5598.789976][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5598.789976][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5598.789976][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5598.789976][ T1167] netlink_rcv_skb+0x130/0x360 [ 5598.789976][ T1167] netlink_unicast+0x449/0x710 [ 5598.789976][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5598.789976][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5598.789976][ T1167] ___sys_sendmsg+0xee/0x170 [ 5598.789976][ T1167] __sys_sendmsg+0xcd/0x170 [ 5598.789976][ T1167] do_syscall_64+0xc6/0x1e0 [ 5598.789976][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5598.789976][ T1167] [ 5598.792307][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5598.792307][ T1167] netdev_get_by_index+0x5e/0x80 [ 5598.792307][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5598.792307][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5598.792307][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5598.792307][ T1167] ipv6_add_addr+0x411/0x2000 [ 5598.792307][ T1167] inet6_addr_add+0x30e/0xa40 [ 5598.792307][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5598.792307][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5598.792307][ T1167] netlink_rcv_skb+0x130/0x360 [ 5598.792307][ T1167] netlink_unicast+0x449/0x710 [ 5598.792307][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5598.792307][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5598.792307][ T1167] ___sys_sendmsg+0xee/0x170 [ 5598.792307][ T1167] __sys_sendmsg+0xcd/0x170 [ 5598.792307][ T1167] do_syscall_64+0xc6/0x1e0 [ 5598.792307][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5598.792307][ T1167] [ 5598.794555][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5598.794555][ T1167] netdev_get_by_index+0x5e/0x80 [ 5598.794555][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5598.794555][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5598.794555][ T1167] ip6_route_add+0x1c/0x140 [ 5598.794555][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5598.794555][ T1167] addrconf_add_dev+0xe2/0x170 [ 5598.794555][ T1167] inet6_addr_add+0x12f/0xa40 [ 5598.794555][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5598.794555][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5598.794555][ T1167] netlink_rcv_skb+0x130/0x360 [ 5598.794555][ T1167] netlink_unicast+0x449/0x710 [ 5598.794555][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5598.794555][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5598.794555][ T1167] ___sys_sendmsg+0xee/0x170 [ 5598.794555][ T1167] __sys_sendmsg+0xcd/0x170 [ 5598.794555][ T1167] do_syscall_64+0xc6/0x1e0 [ 5598.794555][ T1167] [ 5598.796778][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5598.796778][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5598.796778][ T1167] ipv6_find_idev+0x102/0x170 [ 5598.796778][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5598.796778][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5598.796778][ T1167] netlink_rcv_skb+0x130/0x360 [ 5598.796778][ T1167] netlink_unicast+0x449/0x710 [ 5598.796778][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5598.796778][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5598.796778][ T1167] ___sys_sendmsg+0xee/0x170 [ 5598.796778][ T1167] __sys_sendmsg+0xcd/0x170 [ 5598.796778][ T1167] do_syscall_64+0xc6/0x1e0 [ 5598.796778][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5598.796778][ T1167] [ 5598.799079][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5598.799079][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5598.799079][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5598.799079][ T1167] ipv6_find_idev+0x102/0x170 [ 5598.799079][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5598.799079][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5598.799079][ T1167] netlink_rcv_skb+0x130/0x360 [ 5598.799079][ T1167] netlink_unicast+0x449/0x710 [ 5598.799079][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5598.799079][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5598.799079][ T1167] ___sys_sendmsg+0xee/0x170 [ 5598.799079][ T1167] __sys_sendmsg+0xcd/0x170 [ 5598.799079][ T1167] do_syscall_64+0xc6/0x1e0 [ 5598.799079][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5598.799079][ T1167] [ 5607.537039][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5607.537458][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5607.537458][ T10] netdev_get_by_index+0x5e/0x80 [ 5607.537458][ T10] fib6_nh_init+0x3d8/0x1580 [ 5607.537458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5607.537458][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5607.537458][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5607.537458][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5607.537458][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5607.537458][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5607.537458][ T10] addrconf_dad_begin+0x310/0x670 [ 5607.537458][ T10] addrconf_dad_work+0x10b/0xab0 [ 5607.537458][ T10] process_one_work+0x84d/0x18a0 [ 5607.537458][ T10] worker_thread+0x587/0xd30 [ 5607.537458][ T10] kthread+0x28a/0x350 [ 5607.537458][ T10] ret_from_fork+0x31/0x70 [ 5607.537458][ T10] ret_from_fork_asm+0x1a/0x30 [ 5607.537458][ T10] [ 5607.539469][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5607.539469][ T10] netdev_get_by_index+0x5e/0x80 [ 5607.539469][ T10] fib6_nh_init+0x3d8/0x1580 [ 5607.539469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5607.539469][ T10] ip6_route_add+0x1c/0x140 [ 5607.539469][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5607.539469][ T10] inet6_addr_add+0x4f8/0xa40 [ 5607.539469][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5607.539469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.539469][ T10] netlink_rcv_skb+0x130/0x360 [ 5607.539469][ T10] netlink_unicast+0x449/0x710 [ 5607.539469][ T10] netlink_sendmsg+0x723/0xbe0 [ 5607.539469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5607.539469][ T10] ___sys_sendmsg+0xee/0x170 [ 5607.539469][ T10] __sys_sendmsg+0xcd/0x170 [ 5607.539469][ T10] do_syscall_64+0xc6/0x1e0 [ 5607.539469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.539469][ T10] [ 5607.541514][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5607.541514][ T10] netdev_get_by_index+0x5e/0x80 [ 5607.541514][ T10] fib6_nh_init+0x3d8/0x1580 [ 5607.541514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5607.541514][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5607.541514][ T10] ipv6_add_addr+0x411/0x2000 [ 5607.541514][ T10] inet6_addr_add+0x30e/0xa40 [ 5607.541514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5607.541514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.541514][ T10] netlink_rcv_skb+0x130/0x360 [ 5607.541514][ T10] netlink_unicast+0x449/0x710 [ 5607.541514][ T10] netlink_sendmsg+0x723/0xbe0 [ 5607.541514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5607.541514][ T10] ___sys_sendmsg+0xee/0x170 [ 5607.541514][ T10] __sys_sendmsg+0xcd/0x170 [ 5607.541514][ T10] do_syscall_64+0xc6/0x1e0 [ 5607.541514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.541514][ T10] [ 5607.543616][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5607.543616][ T10] netdev_get_by_index+0x5e/0x80 [ 5607.543616][ T10] fib6_nh_init+0x3d8/0x1580 [ 5607.543616][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5607.543616][ T10] ip6_route_add+0x1c/0x140 [ 5607.543616][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5607.543616][ T10] addrconf_add_dev+0xe2/0x170 [ 5607.543616][ T10] inet6_addr_add+0x12f/0xa40 [ 5607.543616][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5607.543616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.543616][ T10] netlink_rcv_skb+0x130/0x360 [ 5607.543616][ T10] netlink_unicast+0x449/0x710 [ 5607.543616][ T10] netlink_sendmsg+0x723/0xbe0 [ 5607.543616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5607.543616][ T10] ___sys_sendmsg+0xee/0x170 [ 5607.543616][ T10] __sys_sendmsg+0xcd/0x170 [ 5607.543616][ T10] do_syscall_64+0xc6/0x1e0 [ 5607.543616][ T10] [ 5607.545638][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5607.545638][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5607.545638][ T10] ipv6_find_idev+0x102/0x170 [ 5607.545638][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5607.545638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.545638][ T10] netlink_rcv_skb+0x130/0x360 [ 5607.545638][ T10] netlink_unicast+0x449/0x710 [ 5607.545638][ T10] netlink_sendmsg+0x723/0xbe0 [ 5607.545638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5607.545638][ T10] ___sys_sendmsg+0xee/0x170 [ 5607.545638][ T10] __sys_sendmsg+0xcd/0x170 [ 5607.545638][ T10] do_syscall_64+0xc6/0x1e0 [ 5607.545638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.545638][ T10] [ 5607.547223][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5607.547223][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5607.547223][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5607.547223][ T10] ipv6_find_idev+0x102/0x170 [ 5607.547223][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5607.547223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.547223][ T10] netlink_rcv_skb+0x130/0x360 [ 5607.547223][ T10] netlink_unicast+0x449/0x710 [ 5607.547223][ T10] netlink_sendmsg+0x723/0xbe0 [ 5607.547223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5607.547223][ T10] ___sys_sendmsg+0xee/0x170 [ 5607.547223][ T10] __sys_sendmsg+0xcd/0x170 [ 5607.547223][ T10] do_syscall_64+0xc6/0x1e0 [ 5607.547223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.547223][ T10] [ 5607.548959][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5607.549237][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5607.549237][ T10] netdev_get_by_index+0x5e/0x80 [ 5607.549237][ T10] fib6_nh_init+0x3d8/0x1580 [ 5607.549237][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5607.549237][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5607.549237][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5607.549237][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5607.549237][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5607.549237][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5607.549237][ T10] addrconf_dad_begin+0x310/0x670 [ 5607.549237][ T10] addrconf_dad_work+0x10b/0xab0 [ 5607.549237][ T10] process_one_work+0x84d/0x18a0 [ 5607.549237][ T10] worker_thread+0x587/0xd30 [ 5607.549237][ T10] kthread+0x28a/0x350 [ 5607.549237][ T10] ret_from_fork+0x31/0x70 [ 5607.549237][ T10] ret_from_fork_asm+0x1a/0x30 [ 5607.549237][ T10] [ 5607.551210][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5607.551210][ T10] netdev_get_by_index+0x5e/0x80 [ 5607.551210][ T10] fib6_nh_init+0x3d8/0x1580 [ 5607.551210][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5607.551210][ T10] ip6_route_add+0x1c/0x140 [ 5607.551210][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5607.551210][ T10] inet6_addr_add+0x4f8/0xa40 [ 5607.551210][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5607.551210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.551210][ T10] netlink_rcv_skb+0x130/0x360 [ 5607.551210][ T10] netlink_unicast+0x449/0x710 [ 5607.551210][ T10] netlink_sendmsg+0x723/0xbe0 [ 5607.551210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5607.551210][ T10] ___sys_sendmsg+0xee/0x170 [ 5607.551210][ T10] __sys_sendmsg+0xcd/0x170 [ 5607.551210][ T10] do_syscall_64+0xc6/0x1e0 [ 5607.551210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.551210][ T10] [ 5607.553247][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5607.553247][ T10] netdev_get_by_index+0x5e/0x80 [ 5607.553247][ T10] fib6_nh_init+0x3d8/0x1580 [ 5607.553247][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5607.553247][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5607.553247][ T10] ipv6_add_addr+0x411/0x2000 [ 5607.553247][ T10] inet6_addr_add+0x30e/0xa40 [ 5607.553247][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5607.553247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.553247][ T10] netlink_rcv_skb+0x130/0x360 [ 5607.553247][ T10] netlink_unicast+0x449/0x710 [ 5607.553247][ T10] netlink_sendmsg+0x723/0xbe0 [ 5607.553247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5607.553247][ T10] ___sys_sendmsg+0xee/0x170 [ 5607.553247][ T10] __sys_sendmsg+0xcd/0x170 [ 5607.553247][ T10] do_syscall_64+0xc6/0x1e0 [ 5607.553247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.553247][ T10] [ 5607.555321][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5607.555321][ T10] netdev_get_by_index+0x5e/0x80 [ 5607.555321][ T10] fib6_nh_init+0x3d8/0x1580 [ 5607.555321][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5607.555321][ T10] ip6_route_add+0x1c/0x140 [ 5607.555321][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5607.555321][ T10] addrconf_add_dev+0xe2/0x170 [ 5607.555321][ T10] inet6_addr_add+0x12f/0xa40 [ 5607.555321][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5607.555321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.555321][ T10] netlink_rcv_skb+0x130/0x360 [ 5607.555321][ T10] netlink_unicast+0x449/0x710 [ 5607.555321][ T10] netlink_sendmsg+0x723/0xbe0 [ 5607.555321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5607.555321][ T10] ___sys_sendmsg+0xee/0x170 [ 5607.555321][ T10] __sys_sendmsg+0xcd/0x170 [ 5607.555321][ T10] do_syscall_64+0xc6/0x1e0 [ 5607.555321][ T10] [ 5607.557337][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5607.557337][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5607.557337][ T10] ipv6_find_idev+0x102/0x170 [ 5607.557337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5607.557337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.557337][ T10] netlink_rcv_skb+0x130/0x360 [ 5607.557337][ T10] netlink_unicast+0x449/0x710 [ 5607.557337][ T10] netlink_sendmsg+0x723/0xbe0 [ 5607.557337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5607.557337][ T10] ___sys_sendmsg+0xee/0x170 [ 5607.557337][ T10] __sys_sendmsg+0xcd/0x170 [ 5607.557337][ T10] do_syscall_64+0xc6/0x1e0 [ 5607.557337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.557337][ T10] [ 5607.558917][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5607.558917][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5607.558917][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5607.558917][ T10] ipv6_find_idev+0x102/0x170 [ 5607.558917][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5607.558917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.558917][ T10] netlink_rcv_skb+0x130/0x360 [ 5607.558917][ T10] netlink_unicast+0x449/0x710 [ 5607.558917][ T10] netlink_sendmsg+0x723/0xbe0 [ 5607.558917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5607.558917][ T10] ___sys_sendmsg+0xee/0x170 [ 5607.558917][ T10] __sys_sendmsg+0xcd/0x170 [ 5607.558917][ T10] do_syscall_64+0xc6/0x1e0 [ 5607.558917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.558917][ T10] [ 5607.560660][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5607.560914][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5607.560914][ T10] netdev_get_by_index+0x5e/0x80 [ 5607.560914][ T10] fib6_nh_init+0x3d8/0x1580 [ 5607.560914][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5607.560914][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5607.560914][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5607.560914][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5607.560914][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5607.560914][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5607.560914][ T10] addrconf_dad_begin+0x310/0x670 [ 5607.560914][ T10] addrconf_dad_work+0x10b/0xab0 [ 5607.560914][ T10] process_one_work+0x84d/0x18a0 [ 5607.560914][ T10] worker_thread+0x587/0xd30 [ 5607.560914][ T10] kthread+0x28a/0x350 [ 5607.560914][ T10] ret_from_fork+0x31/0x70 [ 5607.560914][ T10] ret_from_fork_asm+0x1a/0x30 [ 5607.560914][ T10] [ 5607.562889][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5607.562889][ T10] netdev_get_by_index+0x5e/0x80 [ 5607.562889][ T10] fib6_nh_init+0x3d8/0x1580 [ 5607.562889][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5607.562889][ T10] ip6_route_add+0x1c/0x140 [ 5607.562889][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5607.562889][ T10] inet6_addr_add+0x4f8/0xa40 [ 5607.562889][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5607.562889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.562889][ T10] netlink_rcv_skb+0x130/0x360 [ 5607.562889][ T10] netlink_unicast+0x449/0x710 [ 5607.562889][ T10] netlink_sendmsg+0x723/0xbe0 [ 5607.562889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5607.562889][ T10] ___sys_sendmsg+0xee/0x170 [ 5607.562889][ T10] __sys_sendmsg+0xcd/0x170 [ 5607.562889][ T10] do_syscall_64+0xc6/0x1e0 [ 5607.562889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.562889][ T10] [ 5607.565089][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5607.565089][ T10] netdev_get_by_index+0x5e/0x80 [ 5607.565089][ T10] fib6_nh_init+0x3d8/0x1580 [ 5607.565089][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5607.565089][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5607.565089][ T10] ipv6_add_addr+0x411/0x2000 [ 5607.565089][ T10] inet6_addr_add+0x30e/0xa40 [ 5607.565089][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5607.565089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.565089][ T10] netlink_rcv_skb+0x130/0x360 [ 5607.565089][ T10] netlink_unicast+0x449/0x710 [ 5607.565089][ T10] netlink_sendmsg+0x723/0xbe0 [ 5607.565089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5607.565089][ T10] ___sys_sendmsg+0xee/0x170 [ 5607.565089][ T10] __sys_sendmsg+0xcd/0x170 [ 5607.565089][ T10] do_syscall_64+0xc6/0x1e0 [ 5607.565089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.565089][ T10] [ 5607.567295][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5607.567295][ T10] netdev_get_by_index+0x5e/0x80 [ 5607.567295][ T10] fib6_nh_init+0x3d8/0x1580 [ 5607.567295][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5607.567295][ T10] ip6_route_add+0x1c/0x140 [ 5607.567295][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5607.567295][ T10] addrconf_add_dev+0xe2/0x170 [ 5607.567295][ T10] inet6_addr_add+0x12f/0xa40 [ 5607.567295][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5607.567295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.567295][ T10] netlink_rcv_skb+0x130/0x360 [ 5607.567295][ T10] netlink_unicast+0x449/0x710 [ 5607.567295][ T10] netlink_sendmsg+0x723/0xbe0 [ 5607.567295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5607.567295][ T10] ___sys_sendmsg+0xee/0x170 [ 5607.567295][ T10] __sys_sendmsg+0xcd/0x170 [ 5607.567295][ T10] do_syscall_64+0xc6/0x1e0 [ 5607.567295][ T10] [ 5607.569970][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5607.569970][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5607.569970][ T10] ipv6_find_idev+0x102/0x170 [ 5607.569970][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5607.569970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.569970][ T10] netlink_rcv_skb+0x130/0x360 [ 5607.569970][ T10] netlink_unicast+0x449/0x710 [ 5607.569970][ T10] netlink_sendmsg+0x723/0xbe0 [ 5607.569970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5607.569970][ T10] ___sys_sendmsg+0xee/0x170 [ 5607.569970][ T10] __sys_sendmsg+0xcd/0x170 [ 5607.569970][ T10] do_syscall_64+0xc6/0x1e0 [ 5607.569970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.569970][ T10] [ 5607.571698][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5607.571698][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5607.571698][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5607.571698][ T10] ipv6_find_idev+0x102/0x170 [ 5607.571698][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5607.571698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.571698][ T10] netlink_rcv_skb+0x130/0x360 [ 5607.571698][ T10] netlink_unicast+0x449/0x710 [ 5607.571698][ T10] netlink_sendmsg+0x723/0xbe0 [ 5607.571698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5607.571698][ T10] ___sys_sendmsg+0xee/0x170 [ 5607.571698][ T10] __sys_sendmsg+0xcd/0x170 [ 5607.571698][ T10] do_syscall_64+0xc6/0x1e0 [ 5607.571698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.571698][ T10] [ 5607.575557][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5607.575816][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5607.575816][ T10] netdev_get_by_index+0x5e/0x80 [ 5607.575816][ T10] fib6_nh_init+0x3d8/0x1580 [ 5607.575816][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5607.575816][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5607.575816][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5607.575816][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5607.575816][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5607.575816][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5607.575816][ T10] addrconf_dad_begin+0x310/0x670 [ 5607.575816][ T10] addrconf_dad_work+0x10b/0xab0 [ 5607.575816][ T10] process_one_work+0x84d/0x18a0 [ 5607.575816][ T10] worker_thread+0x587/0xd30 [ 5607.575816][ T10] kthread+0x28a/0x350 [ 5607.575816][ T10] ret_from_fork+0x31/0x70 [ 5607.575816][ T10] ret_from_fork_asm+0x1a/0x30 [ 5607.575816][ T10] [ 5607.577928][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5607.577928][ T10] netdev_get_by_index+0x5e/0x80 [ 5607.577928][ T10] fib6_nh_init+0x3d8/0x1580 [ 5607.577928][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5607.577928][ T10] ip6_route_add+0x1c/0x140 [ 5607.577928][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5607.577928][ T10] inet6_addr_add+0x4f8/0xa40 [ 5607.577928][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5607.577928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.577928][ T10] netlink_rcv_skb+0x130/0x360 [ 5607.577928][ T10] netlink_unicast+0x449/0x710 [ 5607.577928][ T10] netlink_sendmsg+0x723/0xbe0 [ 5607.577928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5607.577928][ T10] ___sys_sendmsg+0xee/0x170 [ 5607.577928][ T10] __sys_sendmsg+0xcd/0x170 [ 5607.577928][ T10] do_syscall_64+0xc6/0x1e0 [ 5607.577928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.577928][ T10] [ 5607.580126][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5607.580126][ T10] netdev_get_by_index+0x5e/0x80 [ 5607.580126][ T10] fib6_nh_init+0x3d8/0x1580 [ 5607.580126][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5607.580126][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5607.580126][ T10] ipv6_add_addr+0x411/0x2000 [ 5607.580126][ T10] inet6_addr_add+0x30e/0xa40 [ 5607.580126][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5607.580126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.580126][ T10] netlink_rcv_skb+0x130/0x360 [ 5607.580126][ T10] netlink_unicast+0x449/0x710 [ 5607.580126][ T10] netlink_sendmsg+0x723/0xbe0 [ 5607.580126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5607.580126][ T10] ___sys_sendmsg+0xee/0x170 [ 5607.580126][ T10] __sys_sendmsg+0xcd/0x170 [ 5607.580126][ T10] do_syscall_64+0xc6/0x1e0 [ 5607.580126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.580126][ T10] [ 5607.582324][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5607.582324][ T10] netdev_get_by_index+0x5e/0x80 [ 5607.582324][ T10] fib6_nh_init+0x3d8/0x1580 [ 5607.582324][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5607.582324][ T10] ip6_route_add+0x1c/0x140 [ 5607.582324][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5607.582324][ T10] addrconf_add_dev+0xe2/0x170 [ 5607.582324][ T10] inet6_addr_add+0x12f/0xa40 [ 5607.582324][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5607.582324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.582324][ T10] netlink_rcv_skb+0x130/0x360 [ 5607.582324][ T10] netlink_unicast+0x449/0x710 [ 5607.582324][ T10] netlink_sendmsg+0x723/0xbe0 [ 5607.582324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5607.582324][ T10] ___sys_sendmsg+0xee/0x170 [ 5607.582324][ T10] __sys_sendmsg+0xcd/0x170 [ 5607.582324][ T10] do_syscall_64+0xc6/0x1e0 [ 5607.582324][ T10] [ 5607.584493][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5607.584493][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5607.584493][ T10] ipv6_find_idev+0x102/0x170 [ 5607.584493][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5607.584493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.584493][ T10] netlink_rcv_skb+0x130/0x360 [ 5607.584493][ T10] netlink_unicast+0x449/0x710 [ 5607.584493][ T10] netlink_sendmsg+0x723/0xbe0 [ 5607.584493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5607.584493][ T10] ___sys_sendmsg+0xee/0x170 [ 5607.584493][ T10] __sys_sendmsg+0xcd/0x170 [ 5607.584493][ T10] do_syscall_64+0xc6/0x1e0 [ 5607.584493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.584493][ T10] [ 5607.586139][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5607.586139][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5607.586139][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5607.586139][ T10] ipv6_find_idev+0x102/0x170 [ 5607.586139][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5607.586139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5607.586139][ T10] netlink_rcv_skb+0x130/0x360 [ 5607.586139][ T10] netlink_unicast+0x449/0x710 [ 5607.586139][ T10] netlink_sendmsg+0x723/0xbe0 [ 5607.586139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5607.586139][ T10] ___sys_sendmsg+0xee/0x170 [ 5607.586139][ T10] __sys_sendmsg+0xcd/0x170 [ 5607.586139][ T10] do_syscall_64+0xc6/0x1e0 [ 5607.586139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5607.586139][ T10] [ 5609.041114][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5609.041648][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5609.041648][ T1167] dst_init+0x84/0x4a0 [ 5609.041648][ T1167] dst_alloc+0x97/0x150 [ 5609.041648][ T1167] ip6_dst_alloc+0x23/0x90 [ 5609.041648][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5609.041648][ T1167] ip6_pol_route+0x56f/0x840 [ 5609.041648][ T1167] fib6_rule_lookup+0x334/0x630 [ 5609.041648][ T1167] ip6_route_output_flags+0x259/0x480 [ 5609.041648][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5609.041648][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5609.041648][ T1167] netlink_rcv_skb+0x130/0x360 [ 5609.041648][ T1167] netlink_unicast+0x449/0x710 [ 5609.041648][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5609.041648][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5609.041648][ T1167] ___sys_sendmsg+0xee/0x170 [ 5609.041648][ T1167] __sys_sendmsg+0xcd/0x170 [ 5609.041648][ T1167] do_syscall_64+0xc6/0x1e0 [ 5609.041648][ T1167] [ 5609.044129][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5609.044129][ T1167] netdev_get_by_index+0x5e/0x80 [ 5609.044129][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5609.044129][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5609.044129][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5609.044129][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5609.044129][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5609.044129][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5609.044129][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5609.044129][ T1167] addrconf_dad_begin+0x310/0x670 [ 5609.044129][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5609.044129][ T1167] process_one_work+0x84d/0x18a0 [ 5609.044129][ T1167] worker_thread+0x587/0xd30 [ 5609.044129][ T1167] kthread+0x28a/0x350 [ 5609.044129][ T1167] ret_from_fork+0x31/0x70 [ 5609.044129][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5609.044129][ T1167] [ 5609.046523][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5609.046523][ T1167] netdev_get_by_index+0x5e/0x80 [ 5609.046523][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5609.046523][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5609.046523][ T1167] ip6_route_add+0x1c/0x140 [ 5609.046523][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5609.046523][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5609.046523][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5609.046523][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5609.046523][ T1167] netlink_rcv_skb+0x130/0x360 [ 5609.046523][ T1167] netlink_unicast+0x449/0x710 [ 5609.046523][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5609.046523][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5609.046523][ T1167] ___sys_sendmsg+0xee/0x170 [ 5609.046523][ T1167] __sys_sendmsg+0xcd/0x170 [ 5609.046523][ T1167] do_syscall_64+0xc6/0x1e0 [ 5609.046523][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5609.046523][ T1167] [ 5609.049032][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5609.049032][ T1167] netdev_get_by_index+0x5e/0x80 [ 5609.049032][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5609.049032][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5609.049032][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5609.049032][ T1167] ipv6_add_addr+0x411/0x2000 [ 5609.049032][ T1167] inet6_addr_add+0x30e/0xa40 [ 5609.049032][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5609.049032][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5609.049032][ T1167] netlink_rcv_skb+0x130/0x360 [ 5609.049032][ T1167] netlink_unicast+0x449/0x710 [ 5609.049032][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5609.049032][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5609.049032][ T1167] ___sys_sendmsg+0xee/0x170 [ 5609.049032][ T1167] __sys_sendmsg+0xcd/0x170 [ 5609.049032][ T1167] do_syscall_64+0xc6/0x1e0 [ 5609.049032][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5609.049032][ T1167] [ 5609.051555][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5609.051555][ T1167] netdev_get_by_index+0x5e/0x80 [ 5609.051555][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5609.051555][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5609.051555][ T1167] ip6_route_add+0x1c/0x140 [ 5609.051555][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5609.051555][ T1167] addrconf_add_dev+0xe2/0x170 [ 5609.051555][ T1167] inet6_addr_add+0x12f/0xa40 [ 5609.051555][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5609.051555][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5609.051555][ T1167] netlink_rcv_skb+0x130/0x360 [ 5609.051555][ T1167] netlink_unicast+0x449/0x710 [ 5609.051555][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5609.051555][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5609.051555][ T1167] ___sys_sendmsg+0xee/0x170 [ 5609.051555][ T1167] __sys_sendmsg+0xcd/0x170 [ 5609.051555][ T1167] do_syscall_64+0xc6/0x1e0 [ 5609.051555][ T1167] [ 5609.054028][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5609.054028][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5609.054028][ T1167] ipv6_find_idev+0x102/0x170 [ 5609.054028][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5609.054028][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5609.054028][ T1167] netlink_rcv_skb+0x130/0x360 [ 5609.054028][ T1167] netlink_unicast+0x449/0x710 [ 5609.054028][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5609.054028][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5609.054028][ T1167] ___sys_sendmsg+0xee/0x170 [ 5609.054028][ T1167] __sys_sendmsg+0xcd/0x170 [ 5609.054028][ T1167] do_syscall_64+0xc6/0x1e0 [ 5609.054028][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5609.054028][ T1167] [ 5609.055944][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5609.055944][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5609.055944][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5609.055944][ T1167] ipv6_find_idev+0x102/0x170 [ 5609.055944][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5609.055944][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5609.055944][ T1167] netlink_rcv_skb+0x130/0x360 [ 5609.055944][ T1167] netlink_unicast+0x449/0x710 [ 5609.055944][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5609.055944][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5609.055944][ T1167] ___sys_sendmsg+0xee/0x170 [ 5609.055944][ T1167] __sys_sendmsg+0xcd/0x170 [ 5609.055944][ T1167] do_syscall_64+0xc6/0x1e0 [ 5609.055944][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5609.055944][ T1167] [ 5617.825028][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5617.825487][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5617.825487][ T10] netdev_get_by_index+0x5e/0x80 [ 5617.825487][ T10] fib6_nh_init+0x3d8/0x1580 [ 5617.825487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5617.825487][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5617.825487][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5617.825487][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5617.825487][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5617.825487][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5617.825487][ T10] addrconf_dad_begin+0x310/0x670 [ 5617.825487][ T10] addrconf_dad_work+0x10b/0xab0 [ 5617.825487][ T10] process_one_work+0x84d/0x18a0 [ 5617.825487][ T10] worker_thread+0x587/0xd30 [ 5617.825487][ T10] kthread+0x28a/0x350 [ 5617.825487][ T10] ret_from_fork+0x31/0x70 [ 5617.825487][ T10] ret_from_fork_asm+0x1a/0x30 [ 5617.825487][ T10] [ 5617.827475][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5617.827475][ T10] netdev_get_by_index+0x5e/0x80 [ 5617.827475][ T10] fib6_nh_init+0x3d8/0x1580 [ 5617.827475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5617.827475][ T10] ip6_route_add+0x1c/0x140 [ 5617.827475][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5617.827475][ T10] inet6_addr_add+0x4f8/0xa40 [ 5617.827475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5617.827475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5617.827475][ T10] netlink_rcv_skb+0x130/0x360 [ 5617.827475][ T10] netlink_unicast+0x449/0x710 [ 5617.827475][ T10] netlink_sendmsg+0x723/0xbe0 [ 5617.827475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5617.827475][ T10] ___sys_sendmsg+0xee/0x170 [ 5617.827475][ T10] __sys_sendmsg+0xcd/0x170 [ 5617.827475][ T10] do_syscall_64+0xc6/0x1e0 [ 5617.827475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5617.827475][ T10] [ 5617.829528][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5617.829528][ T10] netdev_get_by_index+0x5e/0x80 [ 5617.829528][ T10] fib6_nh_init+0x3d8/0x1580 [ 5617.829528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5617.829528][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5617.829528][ T10] ipv6_add_addr+0x411/0x2000 [ 5617.829528][ T10] inet6_addr_add+0x30e/0xa40 [ 5617.829528][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5617.829528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5617.829528][ T10] netlink_rcv_skb+0x130/0x360 [ 5617.829528][ T10] netlink_unicast+0x449/0x710 [ 5617.829528][ T10] netlink_sendmsg+0x723/0xbe0 [ 5617.829528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5617.829528][ T10] ___sys_sendmsg+0xee/0x170 [ 5617.829528][ T10] __sys_sendmsg+0xcd/0x170 [ 5617.829528][ T10] do_syscall_64+0xc6/0x1e0 [ 5617.829528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5617.829528][ T10] [ 5617.831578][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5617.831578][ T10] netdev_get_by_index+0x5e/0x80 [ 5617.831578][ T10] fib6_nh_init+0x3d8/0x1580 [ 5617.831578][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5617.831578][ T10] ip6_route_add+0x1c/0x140 [ 5617.831578][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5617.831578][ T10] addrconf_add_dev+0xe2/0x170 [ 5617.831578][ T10] inet6_addr_add+0x12f/0xa40 [ 5617.831578][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5617.831578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5617.831578][ T10] netlink_rcv_skb+0x130/0x360 [ 5617.831578][ T10] netlink_unicast+0x449/0x710 [ 5617.831578][ T10] netlink_sendmsg+0x723/0xbe0 [ 5617.831578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5617.831578][ T10] ___sys_sendmsg+0xee/0x170 [ 5617.831578][ T10] __sys_sendmsg+0xcd/0x170 [ 5617.831578][ T10] do_syscall_64+0xc6/0x1e0 [ 5617.831578][ T10] [ 5617.833599][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5617.833599][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5617.833599][ T10] ipv6_find_idev+0x102/0x170 [ 5617.833599][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5617.833599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5617.833599][ T10] netlink_rcv_skb+0x130/0x360 [ 5617.833599][ T10] netlink_unicast+0x449/0x710 [ 5617.833599][ T10] netlink_sendmsg+0x723/0xbe0 [ 5617.833599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5617.833599][ T10] ___sys_sendmsg+0xee/0x170 [ 5617.833599][ T10] __sys_sendmsg+0xcd/0x170 [ 5617.833599][ T10] do_syscall_64+0xc6/0x1e0 [ 5617.833599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5617.833599][ T10] [ 5617.835171][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5617.835171][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5617.835171][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5617.835171][ T10] ipv6_find_idev+0x102/0x170 [ 5617.835171][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5617.835171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5617.835171][ T10] netlink_rcv_skb+0x130/0x360 [ 5617.835171][ T10] netlink_unicast+0x449/0x710 [ 5617.835171][ T10] netlink_sendmsg+0x723/0xbe0 [ 5617.835171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5617.835171][ T10] ___sys_sendmsg+0xee/0x170 [ 5617.835171][ T10] __sys_sendmsg+0xcd/0x170 [ 5617.835171][ T10] do_syscall_64+0xc6/0x1e0 [ 5617.835171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5617.835171][ T10] [ 5617.836922][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5617.837212][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5617.837212][ T10] netdev_get_by_index+0x5e/0x80 [ 5617.837212][ T10] fib6_nh_init+0x3d8/0x1580 [ 5617.837212][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5617.837212][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5617.837212][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5617.837212][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5617.837212][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5617.837212][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5617.837212][ T10] addrconf_dad_begin+0x310/0x670 [ 5617.837212][ T10] addrconf_dad_work+0x10b/0xab0 [ 5617.837212][ T10] process_one_work+0x84d/0x18a0 [ 5617.837212][ T10] worker_thread+0x587/0xd30 [ 5617.837212][ T10] kthread+0x28a/0x350 [ 5617.837212][ T10] ret_from_fork+0x31/0x70 [ 5617.837212][ T10] ret_from_fork_asm+0x1a/0x30 [ 5617.837212][ T10] [ 5617.839198][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5617.839198][ T10] netdev_get_by_index+0x5e/0x80 [ 5617.839198][ T10] fib6_nh_init+0x3d8/0x1580 [ 5617.839198][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5617.839198][ T10] ip6_route_add+0x1c/0x140 [ 5617.839198][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5617.839198][ T10] inet6_addr_add+0x4f8/0xa40 [ 5617.839198][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5617.839198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5617.839198][ T10] netlink_rcv_skb+0x130/0x360 [ 5617.839198][ T10] netlink_unicast+0x449/0x710 [ 5617.839198][ T10] netlink_sendmsg+0x723/0xbe0 [ 5617.839198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5617.839198][ T10] ___sys_sendmsg+0xee/0x170 [ 5617.839198][ T10] __sys_sendmsg+0xcd/0x170 [ 5617.839198][ T10] do_syscall_64+0xc6/0x1e0 [ 5617.839198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5617.839198][ T10] [ 5617.841245][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5617.841245][ T10] netdev_get_by_index+0x5e/0x80 [ 5617.841245][ T10] fib6_nh_init+0x3d8/0x1580 [ 5617.841245][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5617.841245][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5617.841245][ T10] ipv6_add_addr+0x411/0x2000 [ 5617.841245][ T10] inet6_addr_add+0x30e/0xa40 [ 5617.841245][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5617.841245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5617.841245][ T10] netlink_rcv_skb+0x130/0x360 [ 5617.841245][ T10] netlink_unicast+0x449/0x710 [ 5617.841245][ T10] netlink_sendmsg+0x723/0xbe0 [ 5617.841245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5617.841245][ T10] ___sys_sendmsg+0xee/0x170 [ 5617.841245][ T10] __sys_sendmsg+0xcd/0x170 [ 5617.841245][ T10] do_syscall_64+0xc6/0x1e0 [ 5617.841245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5617.841245][ T10] [ 5617.843308][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5617.843308][ T10] netdev_get_by_index+0x5e/0x80 [ 5617.843308][ T10] fib6_nh_init+0x3d8/0x1580 [ 5617.843308][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5617.843308][ T10] ip6_route_add+0x1c/0x140 [ 5617.843308][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5617.843308][ T10] addrconf_add_dev+0xe2/0x170 [ 5617.843308][ T10] inet6_addr_add+0x12f/0xa40 [ 5617.843308][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5617.843308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5617.843308][ T10] netlink_rcv_skb+0x130/0x360 [ 5617.843308][ T10] netlink_unicast+0x449/0x710 [ 5617.843308][ T10] netlink_sendmsg+0x723/0xbe0 [ 5617.843308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5617.843308][ T10] ___sys_sendmsg+0xee/0x170 [ 5617.843308][ T10] __sys_sendmsg+0xcd/0x170 [ 5617.843308][ T10] do_syscall_64+0xc6/0x1e0 [ 5617.843308][ T10] [ 5617.845323][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5617.845323][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5617.845323][ T10] ipv6_find_idev+0x102/0x170 [ 5617.845323][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5617.845323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5617.845323][ T10] netlink_rcv_skb+0x130/0x360 [ 5617.845323][ T10] netlink_unicast+0x449/0x710 [ 5617.845323][ T10] netlink_sendmsg+0x723/0xbe0 [ 5617.845323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5617.845323][ T10] ___sys_sendmsg+0xee/0x170 [ 5617.845323][ T10] __sys_sendmsg+0xcd/0x170 [ 5617.845323][ T10] do_syscall_64+0xc6/0x1e0 [ 5617.845323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5617.845323][ T10] [ 5617.846904][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5617.846904][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5617.846904][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5617.846904][ T10] ipv6_find_idev+0x102/0x170 [ 5617.846904][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5617.846904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5617.846904][ T10] netlink_rcv_skb+0x130/0x360 [ 5617.846904][ T10] netlink_unicast+0x449/0x710 [ 5617.846904][ T10] netlink_sendmsg+0x723/0xbe0 [ 5617.846904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5617.846904][ T10] ___sys_sendmsg+0xee/0x170 [ 5617.846904][ T10] __sys_sendmsg+0xcd/0x170 [ 5617.846904][ T10] do_syscall_64+0xc6/0x1e0 [ 5617.846904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5617.846904][ T10] [ 5617.848638][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5617.848882][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5617.848882][ T10] netdev_get_by_index+0x5e/0x80 [ 5617.848882][ T10] fib6_nh_init+0x3d8/0x1580 [ 5617.848882][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5617.848882][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5617.848882][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5617.848882][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5617.848882][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5617.848882][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5617.848882][ T10] addrconf_dad_begin+0x310/0x670 [ 5617.848882][ T10] addrconf_dad_work+0x10b/0xab0 [ 5617.848882][ T10] process_one_work+0x84d/0x18a0 [ 5617.848882][ T10] worker_thread+0x587/0xd30 [ 5617.848882][ T10] kthread+0x28a/0x350 [ 5617.848882][ T10] ret_from_fork+0x31/0x70 [ 5617.848882][ T10] ret_from_fork_asm+0x1a/0x30 [ 5617.848882][ T10] [ 5617.850831][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5617.850831][ T10] netdev_get_by_index+0x5e/0x80 [ 5617.850831][ T10] fib6_nh_init+0x3d8/0x1580 [ 5617.850831][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5617.850831][ T10] ip6_route_add+0x1c/0x140 [ 5617.850831][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5617.850831][ T10] inet6_addr_add+0x4f8/0xa40 [ 5617.850831][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5617.850831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5617.850831][ T10] netlink_rcv_skb+0x130/0x360 [ 5617.850831][ T10] netlink_unicast+0x449/0x710 [ 5617.850831][ T10] netlink_sendmsg+0x723/0xbe0 [ 5617.850831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5617.850831][ T10] ___sys_sendmsg+0xee/0x170 [ 5617.850831][ T10] __sys_sendmsg+0xcd/0x170 [ 5617.850831][ T10] do_syscall_64+0xc6/0x1e0 [ 5617.850831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5617.850831][ T10] [ 5617.853075][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5617.853075][ T10] netdev_get_by_index+0x5e/0x80 [ 5617.853075][ T10] fib6_nh_init+0x3d8/0x1580 [ 5617.853075][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5617.853075][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5617.853075][ T10] ipv6_add_addr+0x411/0x2000 [ 5617.853075][ T10] inet6_addr_add+0x30e/0xa40 [ 5617.853075][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5617.853075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5617.853075][ T10] netlink_rcv_skb+0x130/0x360 [ 5617.853075][ T10] netlink_unicast+0x449/0x710 [ 5617.853075][ T10] netlink_sendmsg+0x723/0xbe0 [ 5617.853075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5617.853075][ T10] ___sys_sendmsg+0xee/0x170 [ 5617.853075][ T10] __sys_sendmsg+0xcd/0x170 [ 5617.853075][ T10] do_syscall_64+0xc6/0x1e0 [ 5617.853075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5617.853075][ T10] [ 5617.855275][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5617.855275][ T10] netdev_get_by_index+0x5e/0x80 [ 5617.855275][ T10] fib6_nh_init+0x3d8/0x1580 [ 5617.855275][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5617.855275][ T10] ip6_route_add+0x1c/0x140 [ 5617.855275][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5617.855275][ T10] addrconf_add_dev+0xe2/0x170 [ 5617.855275][ T10] inet6_addr_add+0x12f/0xa40 [ 5617.855275][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5617.855275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5617.855275][ T10] netlink_rcv_skb+0x130/0x360 [ 5617.855275][ T10] netlink_unicast+0x449/0x710 [ 5617.855275][ T10] netlink_sendmsg+0x723/0xbe0 [ 5617.855275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5617.855275][ T10] ___sys_sendmsg+0xee/0x170 [ 5617.855275][ T10] __sys_sendmsg+0xcd/0x170 [ 5617.855275][ T10] do_syscall_64+0xc6/0x1e0 [ 5617.855275][ T10] [ 5617.857430][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5617.857430][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5617.857430][ T10] ipv6_find_idev+0x102/0x170 [ 5617.857430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5617.857430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5617.857430][ T10] netlink_rcv_skb+0x130/0x360 [ 5617.857430][ T10] netlink_unicast+0x449/0x710 [ 5617.857430][ T10] netlink_sendmsg+0x723/0xbe0 [ 5617.857430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5617.857430][ T10] ___sys_sendmsg+0xee/0x170 [ 5617.857430][ T10] __sys_sendmsg+0xcd/0x170 [ 5617.857430][ T10] do_syscall_64+0xc6/0x1e0 [ 5617.857430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5617.857430][ T10] [ 5617.859086][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5617.859086][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5617.859086][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5617.859086][ T10] ipv6_find_idev+0x102/0x170 [ 5617.859086][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5617.859086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5617.859086][ T10] netlink_rcv_skb+0x130/0x360 [ 5617.859086][ T10] netlink_unicast+0x449/0x710 [ 5617.859086][ T10] netlink_sendmsg+0x723/0xbe0 [ 5617.859086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5617.859086][ T10] ___sys_sendmsg+0xee/0x170 [ 5617.859086][ T10] __sys_sendmsg+0xcd/0x170 [ 5617.859086][ T10] do_syscall_64+0xc6/0x1e0 [ 5617.859086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5617.859086][ T10] [ 5617.860969][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5617.861667][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5617.861667][ T10] netdev_get_by_index+0x5e/0x80 [ 5617.861667][ T10] fib6_nh_init+0x3d8/0x1580 [ 5617.861667][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5617.861667][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5617.861667][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5617.861667][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5617.861667][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5617.861667][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5617.861667][ T10] addrconf_dad_begin+0x310/0x670 [ 5617.861667][ T10] addrconf_dad_work+0x10b/0xab0 [ 5617.861667][ T10] process_one_work+0x84d/0x18a0 [ 5617.861667][ T10] worker_thread+0x587/0xd30 [ 5617.861667][ T10] kthread+0x28a/0x350 [ 5617.861667][ T10] ret_from_fork+0x31/0x70 [ 5617.861667][ T10] ret_from_fork_asm+0x1a/0x30 [ 5617.861667][ T10] [ 5617.863633][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5617.863633][ T10] netdev_get_by_index+0x5e/0x80 [ 5617.863633][ T10] fib6_nh_init+0x3d8/0x1580 [ 5617.863633][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5617.863633][ T10] ip6_route_add+0x1c/0x140 [ 5617.863633][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5617.863633][ T10] inet6_addr_add+0x4f8/0xa40 [ 5617.863633][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5617.863633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5617.863633][ T10] netlink_rcv_skb+0x130/0x360 [ 5617.863633][ T10] netlink_unicast+0x449/0x710 [ 5617.863633][ T10] netlink_sendmsg+0x723/0xbe0 [ 5617.863633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5617.863633][ T10] ___sys_sendmsg+0xee/0x170 [ 5617.863633][ T10] __sys_sendmsg+0xcd/0x170 [ 5617.863633][ T10] do_syscall_64+0xc6/0x1e0 [ 5617.863633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5617.863633][ T10] [ 5617.865762][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5617.865762][ T10] netdev_get_by_index+0x5e/0x80 [ 5617.865762][ T10] fib6_nh_init+0x3d8/0x1580 [ 5617.865762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5617.865762][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5617.865762][ T10] ipv6_add_addr+0x411/0x2000 [ 5617.865762][ T10] inet6_addr_add+0x30e/0xa40 [ 5617.865762][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5617.865762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5617.865762][ T10] netlink_rcv_skb+0x130/0x360 [ 5617.865762][ T10] netlink_unicast+0x449/0x710 [ 5617.865762][ T10] netlink_sendmsg+0x723/0xbe0 [ 5617.865762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5617.865762][ T10] ___sys_sendmsg+0xee/0x170 [ 5617.865762][ T10] __sys_sendmsg+0xcd/0x170 [ 5617.865762][ T10] do_syscall_64+0xc6/0x1e0 [ 5617.865762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5617.865762][ T10] [ 5617.867955][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5617.867955][ T10] netdev_get_by_index+0x5e/0x80 [ 5617.867955][ T10] fib6_nh_init+0x3d8/0x1580 [ 5617.867955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5617.867955][ T10] ip6_route_add+0x1c/0x140 [ 5617.867955][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5617.867955][ T10] addrconf_add_dev+0xe2/0x170 [ 5617.867955][ T10] inet6_addr_add+0x12f/0xa40 [ 5617.867955][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5617.867955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5617.867955][ T10] netlink_rcv_skb+0x130/0x360 [ 5617.867955][ T10] netlink_unicast+0x449/0x710 [ 5617.867955][ T10] netlink_sendmsg+0x723/0xbe0 [ 5617.867955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5617.867955][ T10] ___sys_sendmsg+0xee/0x170 [ 5617.867955][ T10] __sys_sendmsg+0xcd/0x170 [ 5617.867955][ T10] do_syscall_64+0xc6/0x1e0 [ 5617.867955][ T10] [ 5617.870114][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5617.870114][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5617.870114][ T10] ipv6_find_idev+0x102/0x170 [ 5617.870114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5617.870114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5617.870114][ T10] netlink_rcv_skb+0x130/0x360 [ 5617.870114][ T10] netlink_unicast+0x449/0x710 [ 5617.870114][ T10] netlink_sendmsg+0x723/0xbe0 [ 5617.870114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5617.870114][ T10] ___sys_sendmsg+0xee/0x170 [ 5617.870114][ T10] __sys_sendmsg+0xcd/0x170 [ 5617.870114][ T10] do_syscall_64+0xc6/0x1e0 [ 5617.870114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5617.870114][ T10] [ 5617.871789][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5617.871789][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5617.871789][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5617.871789][ T10] ipv6_find_idev+0x102/0x170 [ 5617.871789][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5617.871789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5617.871789][ T10] netlink_rcv_skb+0x130/0x360 [ 5617.871789][ T10] netlink_unicast+0x449/0x710 [ 5617.871789][ T10] netlink_sendmsg+0x723/0xbe0 [ 5617.871789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5617.871789][ T10] ___sys_sendmsg+0xee/0x170 [ 5617.871789][ T10] __sys_sendmsg+0xcd/0x170 [ 5617.871789][ T10] do_syscall_64+0xc6/0x1e0 [ 5617.871789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5617.871789][ T10] [ 5619.297111][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5619.297581][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5619.297581][ T1167] dst_init+0x84/0x4a0 [ 5619.297581][ T1167] dst_alloc+0x97/0x150 [ 5619.297581][ T1167] ip6_dst_alloc+0x23/0x90 [ 5619.297581][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5619.297581][ T1167] ip6_pol_route+0x56f/0x840 [ 5619.297581][ T1167] fib6_rule_lookup+0x334/0x630 [ 5619.297581][ T1167] ip6_route_output_flags+0x259/0x480 [ 5619.297581][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5619.297581][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5619.297581][ T1167] netlink_rcv_skb+0x130/0x360 [ 5619.297581][ T1167] netlink_unicast+0x449/0x710 [ 5619.297581][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5619.297581][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5619.297581][ T1167] ___sys_sendmsg+0xee/0x170 [ 5619.297581][ T1167] __sys_sendmsg+0xcd/0x170 [ 5619.297581][ T1167] do_syscall_64+0xc6/0x1e0 [ 5619.297581][ T1167] [ 5619.300091][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5619.300091][ T1167] netdev_get_by_index+0x5e/0x80 [ 5619.300091][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5619.300091][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5619.300091][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5619.300091][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5619.300091][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5619.300091][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5619.300091][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5619.300091][ T1167] addrconf_dad_begin+0x310/0x670 [ 5619.300091][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5619.300091][ T1167] process_one_work+0x84d/0x18a0 [ 5619.300091][ T1167] worker_thread+0x587/0xd30 [ 5619.300091][ T1167] kthread+0x28a/0x350 [ 5619.300091][ T1167] ret_from_fork+0x31/0x70 [ 5619.300091][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5619.300091][ T1167] [ 5619.302511][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5619.302511][ T1167] netdev_get_by_index+0x5e/0x80 [ 5619.302511][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5619.302511][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5619.302511][ T1167] ip6_route_add+0x1c/0x140 [ 5619.302511][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5619.302511][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5619.302511][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5619.302511][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5619.302511][ T1167] netlink_rcv_skb+0x130/0x360 [ 5619.302511][ T1167] netlink_unicast+0x449/0x710 [ 5619.302511][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5619.302511][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5619.302511][ T1167] ___sys_sendmsg+0xee/0x170 [ 5619.302511][ T1167] __sys_sendmsg+0xcd/0x170 [ 5619.302511][ T1167] do_syscall_64+0xc6/0x1e0 [ 5619.302511][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5619.302511][ T1167] [ 5619.305563][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5619.305563][ T1167] netdev_get_by_index+0x5e/0x80 [ 5619.305563][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5619.305563][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5619.305563][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5619.305563][ T1167] ipv6_add_addr+0x411/0x2000 [ 5619.305563][ T1167] inet6_addr_add+0x30e/0xa40 [ 5619.305563][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5619.305563][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5619.305563][ T1167] netlink_rcv_skb+0x130/0x360 [ 5619.305563][ T1167] netlink_unicast+0x449/0x710 [ 5619.305563][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5619.305563][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5619.305563][ T1167] ___sys_sendmsg+0xee/0x170 [ 5619.305563][ T1167] __sys_sendmsg+0xcd/0x170 [ 5619.305563][ T1167] do_syscall_64+0xc6/0x1e0 [ 5619.305563][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5619.305563][ T1167] [ 5619.308068][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5619.308068][ T1167] netdev_get_by_index+0x5e/0x80 [ 5619.308068][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5619.308068][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5619.308068][ T1167] ip6_route_add+0x1c/0x140 [ 5619.308068][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5619.308068][ T1167] addrconf_add_dev+0xe2/0x170 [ 5619.308068][ T1167] inet6_addr_add+0x12f/0xa40 [ 5619.308068][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5619.308068][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5619.308068][ T1167] netlink_rcv_skb+0x130/0x360 [ 5619.308068][ T1167] netlink_unicast+0x449/0x710 [ 5619.308068][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5619.308068][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5619.308068][ T1167] ___sys_sendmsg+0xee/0x170 [ 5619.308068][ T1167] __sys_sendmsg+0xcd/0x170 [ 5619.308068][ T1167] do_syscall_64+0xc6/0x1e0 [ 5619.308068][ T1167] [ 5619.310525][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5619.310525][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5619.310525][ T1167] ipv6_find_idev+0x102/0x170 [ 5619.310525][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5619.310525][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5619.310525][ T1167] netlink_rcv_skb+0x130/0x360 [ 5619.310525][ T1167] netlink_unicast+0x449/0x710 [ 5619.310525][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5619.310525][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5619.310525][ T1167] ___sys_sendmsg+0xee/0x170 [ 5619.310525][ T1167] __sys_sendmsg+0xcd/0x170 [ 5619.310525][ T1167] do_syscall_64+0xc6/0x1e0 [ 5619.310525][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5619.310525][ T1167] [ 5619.312474][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5619.312474][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5619.312474][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5619.312474][ T1167] ipv6_find_idev+0x102/0x170 [ 5619.312474][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5619.312474][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5619.312474][ T1167] netlink_rcv_skb+0x130/0x360 [ 5619.312474][ T1167] netlink_unicast+0x449/0x710 [ 5619.312474][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5619.312474][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5619.312474][ T1167] ___sys_sendmsg+0xee/0x170 [ 5619.312474][ T1167] __sys_sendmsg+0xcd/0x170 [ 5619.312474][ T1167] do_syscall_64+0xc6/0x1e0 [ 5619.312474][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5619.312474][ T1167] [ 5628.113059][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5628.113513][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5628.113513][ T10] netdev_get_by_index+0x5e/0x80 [ 5628.113513][ T10] fib6_nh_init+0x3d8/0x1580 [ 5628.113513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5628.113513][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5628.113513][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5628.113513][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5628.113513][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5628.113513][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5628.113513][ T10] addrconf_dad_begin+0x310/0x670 [ 5628.113513][ T10] addrconf_dad_work+0x10b/0xab0 [ 5628.113513][ T10] process_one_work+0x84d/0x18a0 [ 5628.113513][ T10] worker_thread+0x587/0xd30 [ 5628.113513][ T10] kthread+0x28a/0x350 [ 5628.113513][ T10] ret_from_fork+0x31/0x70 [ 5628.113513][ T10] ret_from_fork_asm+0x1a/0x30 [ 5628.113513][ T10] [ 5628.115490][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5628.115490][ T10] netdev_get_by_index+0x5e/0x80 [ 5628.115490][ T10] fib6_nh_init+0x3d8/0x1580 [ 5628.115490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5628.115490][ T10] ip6_route_add+0x1c/0x140 [ 5628.115490][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5628.115490][ T10] inet6_addr_add+0x4f8/0xa40 [ 5628.115490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5628.115490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.115490][ T10] netlink_rcv_skb+0x130/0x360 [ 5628.115490][ T10] netlink_unicast+0x449/0x710 [ 5628.115490][ T10] netlink_sendmsg+0x723/0xbe0 [ 5628.115490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5628.115490][ T10] ___sys_sendmsg+0xee/0x170 [ 5628.115490][ T10] __sys_sendmsg+0xcd/0x170 [ 5628.115490][ T10] do_syscall_64+0xc6/0x1e0 [ 5628.115490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.115490][ T10] [ 5628.117535][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5628.117535][ T10] netdev_get_by_index+0x5e/0x80 [ 5628.117535][ T10] fib6_nh_init+0x3d8/0x1580 [ 5628.117535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5628.117535][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5628.117535][ T10] ipv6_add_addr+0x411/0x2000 [ 5628.117535][ T10] inet6_addr_add+0x30e/0xa40 [ 5628.117535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5628.117535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.117535][ T10] netlink_rcv_skb+0x130/0x360 [ 5628.117535][ T10] netlink_unicast+0x449/0x710 [ 5628.117535][ T10] netlink_sendmsg+0x723/0xbe0 [ 5628.117535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5628.117535][ T10] ___sys_sendmsg+0xee/0x170 [ 5628.117535][ T10] __sys_sendmsg+0xcd/0x170 [ 5628.117535][ T10] do_syscall_64+0xc6/0x1e0 [ 5628.117535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.117535][ T10] [ 5628.119565][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5628.119565][ T10] netdev_get_by_index+0x5e/0x80 [ 5628.119565][ T10] fib6_nh_init+0x3d8/0x1580 [ 5628.119565][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5628.119565][ T10] ip6_route_add+0x1c/0x140 [ 5628.119565][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5628.119565][ T10] addrconf_add_dev+0xe2/0x170 [ 5628.119565][ T10] inet6_addr_add+0x12f/0xa40 [ 5628.119565][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5628.119565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.119565][ T10] netlink_rcv_skb+0x130/0x360 [ 5628.119565][ T10] netlink_unicast+0x449/0x710 [ 5628.119565][ T10] netlink_sendmsg+0x723/0xbe0 [ 5628.119565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5628.119565][ T10] ___sys_sendmsg+0xee/0x170 [ 5628.119565][ T10] __sys_sendmsg+0xcd/0x170 [ 5628.119565][ T10] do_syscall_64+0xc6/0x1e0 [ 5628.119565][ T10] [ 5628.121578][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5628.121578][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5628.121578][ T10] ipv6_find_idev+0x102/0x170 [ 5628.121578][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5628.121578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.121578][ T10] netlink_rcv_skb+0x130/0x360 [ 5628.121578][ T10] netlink_unicast+0x449/0x710 [ 5628.121578][ T10] netlink_sendmsg+0x723/0xbe0 [ 5628.121578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5628.121578][ T10] ___sys_sendmsg+0xee/0x170 [ 5628.121578][ T10] __sys_sendmsg+0xcd/0x170 [ 5628.121578][ T10] do_syscall_64+0xc6/0x1e0 [ 5628.121578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.121578][ T10] [ 5628.123149][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5628.123149][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5628.123149][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5628.123149][ T10] ipv6_find_idev+0x102/0x170 [ 5628.123149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5628.123149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.123149][ T10] netlink_rcv_skb+0x130/0x360 [ 5628.123149][ T10] netlink_unicast+0x449/0x710 [ 5628.123149][ T10] netlink_sendmsg+0x723/0xbe0 [ 5628.123149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5628.123149][ T10] ___sys_sendmsg+0xee/0x170 [ 5628.123149][ T10] __sys_sendmsg+0xcd/0x170 [ 5628.123149][ T10] do_syscall_64+0xc6/0x1e0 [ 5628.123149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.123149][ T10] [ 5628.124884][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5628.125150][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5628.125150][ T10] netdev_get_by_index+0x5e/0x80 [ 5628.125150][ T10] fib6_nh_init+0x3d8/0x1580 [ 5628.125150][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5628.125150][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5628.125150][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5628.125150][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5628.125150][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5628.125150][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5628.125150][ T10] addrconf_dad_begin+0x310/0x670 [ 5628.125150][ T10] addrconf_dad_work+0x10b/0xab0 [ 5628.125150][ T10] process_one_work+0x84d/0x18a0 [ 5628.125150][ T10] worker_thread+0x587/0xd30 [ 5628.125150][ T10] kthread+0x28a/0x350 [ 5628.125150][ T10] ret_from_fork+0x31/0x70 [ 5628.125150][ T10] ret_from_fork_asm+0x1a/0x30 [ 5628.125150][ T10] [ 5628.127103][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5628.127103][ T10] netdev_get_by_index+0x5e/0x80 [ 5628.127103][ T10] fib6_nh_init+0x3d8/0x1580 [ 5628.127103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5628.127103][ T10] ip6_route_add+0x1c/0x140 [ 5628.127103][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5628.127103][ T10] inet6_addr_add+0x4f8/0xa40 [ 5628.127103][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5628.127103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.127103][ T10] netlink_rcv_skb+0x130/0x360 [ 5628.127103][ T10] netlink_unicast+0x449/0x710 [ 5628.127103][ T10] netlink_sendmsg+0x723/0xbe0 [ 5628.127103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5628.127103][ T10] ___sys_sendmsg+0xee/0x170 [ 5628.127103][ T10] __sys_sendmsg+0xcd/0x170 [ 5628.127103][ T10] do_syscall_64+0xc6/0x1e0 [ 5628.127103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.127103][ T10] [ 5628.136535][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5628.136535][ T10] netdev_get_by_index+0x5e/0x80 [ 5628.136535][ T10] fib6_nh_init+0x3d8/0x1580 [ 5628.136535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5628.136535][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5628.136535][ T10] ipv6_add_addr+0x411/0x2000 [ 5628.136535][ T10] inet6_addr_add+0x30e/0xa40 [ 5628.136535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5628.136535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.136535][ T10] netlink_rcv_skb+0x130/0x360 [ 5628.136535][ T10] netlink_unicast+0x449/0x710 [ 5628.136535][ T10] netlink_sendmsg+0x723/0xbe0 [ 5628.136535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5628.136535][ T10] ___sys_sendmsg+0xee/0x170 [ 5628.136535][ T10] __sys_sendmsg+0xcd/0x170 [ 5628.136535][ T10] do_syscall_64+0xc6/0x1e0 [ 5628.136535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.136535][ T10] [ 5628.138574][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5628.138574][ T10] netdev_get_by_index+0x5e/0x80 [ 5628.138574][ T10] fib6_nh_init+0x3d8/0x1580 [ 5628.138574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5628.138574][ T10] ip6_route_add+0x1c/0x140 [ 5628.138574][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5628.138574][ T10] addrconf_add_dev+0xe2/0x170 [ 5628.138574][ T10] inet6_addr_add+0x12f/0xa40 [ 5628.138574][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5628.138574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.138574][ T10] netlink_rcv_skb+0x130/0x360 [ 5628.138574][ T10] netlink_unicast+0x449/0x710 [ 5628.138574][ T10] netlink_sendmsg+0x723/0xbe0 [ 5628.138574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5628.138574][ T10] ___sys_sendmsg+0xee/0x170 [ 5628.138574][ T10] __sys_sendmsg+0xcd/0x170 [ 5628.138574][ T10] do_syscall_64+0xc6/0x1e0 [ 5628.138574][ T10] [ 5628.140580][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5628.140580][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5628.140580][ T10] ipv6_find_idev+0x102/0x170 [ 5628.140580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5628.140580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.140580][ T10] netlink_rcv_skb+0x130/0x360 [ 5628.140580][ T10] netlink_unicast+0x449/0x710 [ 5628.140580][ T10] netlink_sendmsg+0x723/0xbe0 [ 5628.140580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5628.140580][ T10] ___sys_sendmsg+0xee/0x170 [ 5628.140580][ T10] __sys_sendmsg+0xcd/0x170 [ 5628.140580][ T10] do_syscall_64+0xc6/0x1e0 [ 5628.140580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.140580][ T10] [ 5628.142162][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5628.142162][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5628.142162][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5628.142162][ T10] ipv6_find_idev+0x102/0x170 [ 5628.142162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5628.142162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.142162][ T10] netlink_rcv_skb+0x130/0x360 [ 5628.142162][ T10] netlink_unicast+0x449/0x710 [ 5628.142162][ T10] netlink_sendmsg+0x723/0xbe0 [ 5628.142162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5628.142162][ T10] ___sys_sendmsg+0xee/0x170 [ 5628.142162][ T10] __sys_sendmsg+0xcd/0x170 [ 5628.142162][ T10] do_syscall_64+0xc6/0x1e0 [ 5628.142162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.142162][ T10] [ 5628.143894][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5628.144201][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5628.144201][ T10] netdev_get_by_index+0x5e/0x80 [ 5628.144201][ T10] fib6_nh_init+0x3d8/0x1580 [ 5628.144201][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5628.144201][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5628.144201][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5628.144201][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5628.144201][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5628.144201][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5628.144201][ T10] addrconf_dad_begin+0x310/0x670 [ 5628.144201][ T10] addrconf_dad_work+0x10b/0xab0 [ 5628.144201][ T10] process_one_work+0x84d/0x18a0 [ 5628.144201][ T10] worker_thread+0x587/0xd30 [ 5628.144201][ T10] kthread+0x28a/0x350 [ 5628.144201][ T10] ret_from_fork+0x31/0x70 [ 5628.144201][ T10] ret_from_fork_asm+0x1a/0x30 [ 5628.144201][ T10] [ 5628.146159][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5628.146159][ T10] netdev_get_by_index+0x5e/0x80 [ 5628.146159][ T10] fib6_nh_init+0x3d8/0x1580 [ 5628.146159][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5628.146159][ T10] ip6_route_add+0x1c/0x140 [ 5628.146159][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5628.146159][ T10] inet6_addr_add+0x4f8/0xa40 [ 5628.146159][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5628.146159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.146159][ T10] netlink_rcv_skb+0x130/0x360 [ 5628.146159][ T10] netlink_unicast+0x449/0x710 [ 5628.146159][ T10] netlink_sendmsg+0x723/0xbe0 [ 5628.146159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5628.146159][ T10] ___sys_sendmsg+0xee/0x170 [ 5628.146159][ T10] __sys_sendmsg+0xcd/0x170 [ 5628.146159][ T10] do_syscall_64+0xc6/0x1e0 [ 5628.146159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.146159][ T10] [ 5628.148328][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5628.148328][ T10] netdev_get_by_index+0x5e/0x80 [ 5628.148328][ T10] fib6_nh_init+0x3d8/0x1580 [ 5628.148328][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5628.148328][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5628.148328][ T10] ipv6_add_addr+0x411/0x2000 [ 5628.148328][ T10] inet6_addr_add+0x30e/0xa40 [ 5628.148328][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5628.148328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.148328][ T10] netlink_rcv_skb+0x130/0x360 [ 5628.148328][ T10] netlink_unicast+0x449/0x710 [ 5628.148328][ T10] netlink_sendmsg+0x723/0xbe0 [ 5628.148328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5628.148328][ T10] ___sys_sendmsg+0xee/0x170 [ 5628.148328][ T10] __sys_sendmsg+0xcd/0x170 [ 5628.148328][ T10] do_syscall_64+0xc6/0x1e0 [ 5628.148328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.148328][ T10] [ 5628.150621][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5628.150621][ T10] netdev_get_by_index+0x5e/0x80 [ 5628.150621][ T10] fib6_nh_init+0x3d8/0x1580 [ 5628.150621][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5628.150621][ T10] ip6_route_add+0x1c/0x140 [ 5628.150621][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5628.150621][ T10] addrconf_add_dev+0xe2/0x170 [ 5628.150621][ T10] inet6_addr_add+0x12f/0xa40 [ 5628.150621][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5628.150621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.150621][ T10] netlink_rcv_skb+0x130/0x360 [ 5628.150621][ T10] netlink_unicast+0x449/0x710 [ 5628.150621][ T10] netlink_sendmsg+0x723/0xbe0 [ 5628.150621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5628.150621][ T10] ___sys_sendmsg+0xee/0x170 [ 5628.150621][ T10] __sys_sendmsg+0xcd/0x170 [ 5628.150621][ T10] do_syscall_64+0xc6/0x1e0 [ 5628.150621][ T10] [ 5628.152859][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5628.152859][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5628.152859][ T10] ipv6_find_idev+0x102/0x170 [ 5628.152859][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5628.152859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.152859][ T10] netlink_rcv_skb+0x130/0x360 [ 5628.152859][ T10] netlink_unicast+0x449/0x710 [ 5628.152859][ T10] netlink_sendmsg+0x723/0xbe0 [ 5628.152859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5628.152859][ T10] ___sys_sendmsg+0xee/0x170 [ 5628.152859][ T10] __sys_sendmsg+0xcd/0x170 [ 5628.152859][ T10] do_syscall_64+0xc6/0x1e0 [ 5628.152859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.152859][ T10] [ 5628.154617][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5628.154617][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5628.154617][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5628.154617][ T10] ipv6_find_idev+0x102/0x170 [ 5628.154617][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5628.154617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.154617][ T10] netlink_rcv_skb+0x130/0x360 [ 5628.154617][ T10] netlink_unicast+0x449/0x710 [ 5628.154617][ T10] netlink_sendmsg+0x723/0xbe0 [ 5628.154617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5628.154617][ T10] ___sys_sendmsg+0xee/0x170 [ 5628.154617][ T10] __sys_sendmsg+0xcd/0x170 [ 5628.154617][ T10] do_syscall_64+0xc6/0x1e0 [ 5628.154617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.154617][ T10] [ 5628.156641][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5628.156934][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5628.156934][ T10] netdev_get_by_index+0x5e/0x80 [ 5628.156934][ T10] fib6_nh_init+0x3d8/0x1580 [ 5628.156934][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5628.156934][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5628.156934][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5628.156934][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5628.156934][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5628.156934][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5628.156934][ T10] addrconf_dad_begin+0x310/0x670 [ 5628.156934][ T10] addrconf_dad_work+0x10b/0xab0 [ 5628.156934][ T10] process_one_work+0x84d/0x18a0 [ 5628.156934][ T10] worker_thread+0x587/0xd30 [ 5628.156934][ T10] kthread+0x28a/0x350 [ 5628.156934][ T10] ret_from_fork+0x31/0x70 [ 5628.156934][ T10] ret_from_fork_asm+0x1a/0x30 [ 5628.156934][ T10] [ 5628.159073][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5628.159073][ T10] netdev_get_by_index+0x5e/0x80 [ 5628.159073][ T10] fib6_nh_init+0x3d8/0x1580 [ 5628.159073][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5628.159073][ T10] ip6_route_add+0x1c/0x140 [ 5628.159073][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5628.159073][ T10] inet6_addr_add+0x4f8/0xa40 [ 5628.159073][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5628.159073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.159073][ T10] netlink_rcv_skb+0x130/0x360 [ 5628.159073][ T10] netlink_unicast+0x449/0x710 [ 5628.159073][ T10] netlink_sendmsg+0x723/0xbe0 [ 5628.159073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5628.159073][ T10] ___sys_sendmsg+0xee/0x170 [ 5628.159073][ T10] __sys_sendmsg+0xcd/0x170 [ 5628.159073][ T10] do_syscall_64+0xc6/0x1e0 [ 5628.159073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.159073][ T10] [ 5628.161366][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5628.161366][ T10] netdev_get_by_index+0x5e/0x80 [ 5628.161366][ T10] fib6_nh_init+0x3d8/0x1580 [ 5628.161366][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5628.161366][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5628.161366][ T10] ipv6_add_addr+0x411/0x2000 [ 5628.161366][ T10] inet6_addr_add+0x30e/0xa40 [ 5628.161366][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5628.161366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.161366][ T10] netlink_rcv_skb+0x130/0x360 [ 5628.161366][ T10] netlink_unicast+0x449/0x710 [ 5628.161366][ T10] netlink_sendmsg+0x723/0xbe0 [ 5628.161366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5628.161366][ T10] ___sys_sendmsg+0xee/0x170 [ 5628.161366][ T10] __sys_sendmsg+0xcd/0x170 [ 5628.161366][ T10] do_syscall_64+0xc6/0x1e0 [ 5628.161366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.161366][ T10] [ 5628.163665][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5628.163665][ T10] netdev_get_by_index+0x5e/0x80 [ 5628.163665][ T10] fib6_nh_init+0x3d8/0x1580 [ 5628.163665][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5628.163665][ T10] ip6_route_add+0x1c/0x140 [ 5628.163665][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5628.163665][ T10] addrconf_add_dev+0xe2/0x170 [ 5628.163665][ T10] inet6_addr_add+0x12f/0xa40 [ 5628.163665][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5628.163665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.163665][ T10] netlink_rcv_skb+0x130/0x360 [ 5628.163665][ T10] netlink_unicast+0x449/0x710 [ 5628.163665][ T10] netlink_sendmsg+0x723/0xbe0 [ 5628.163665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5628.163665][ T10] ___sys_sendmsg+0xee/0x170 [ 5628.163665][ T10] __sys_sendmsg+0xcd/0x170 [ 5628.163665][ T10] do_syscall_64+0xc6/0x1e0 [ 5628.163665][ T10] [ 5628.165982][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5628.165982][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5628.165982][ T10] ipv6_find_idev+0x102/0x170 [ 5628.165982][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5628.165982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.165982][ T10] netlink_rcv_skb+0x130/0x360 [ 5628.165982][ T10] netlink_unicast+0x449/0x710 [ 5628.165982][ T10] netlink_sendmsg+0x723/0xbe0 [ 5628.165982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5628.165982][ T10] ___sys_sendmsg+0xee/0x170 [ 5628.165982][ T10] __sys_sendmsg+0xcd/0x170 [ 5628.165982][ T10] do_syscall_64+0xc6/0x1e0 [ 5628.165982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.165982][ T10] [ 5628.167670][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5628.167670][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5628.167670][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5628.167670][ T10] ipv6_find_idev+0x102/0x170 [ 5628.167670][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5628.167670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5628.167670][ T10] netlink_rcv_skb+0x130/0x360 [ 5628.167670][ T10] netlink_unicast+0x449/0x710 [ 5628.167670][ T10] netlink_sendmsg+0x723/0xbe0 [ 5628.167670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5628.167670][ T10] ___sys_sendmsg+0xee/0x170 [ 5628.167670][ T10] __sys_sendmsg+0xcd/0x170 [ 5628.167670][ T10] do_syscall_64+0xc6/0x1e0 [ 5628.167670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5628.167670][ T10] [ 5629.553116][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5629.553662][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5629.553662][ T1167] dst_init+0x84/0x4a0 [ 5629.553662][ T1167] dst_alloc+0x97/0x150 [ 5629.553662][ T1167] ip6_dst_alloc+0x23/0x90 [ 5629.553662][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5629.553662][ T1167] ip6_pol_route+0x56f/0x840 [ 5629.553662][ T1167] fib6_rule_lookup+0x334/0x630 [ 5629.553662][ T1167] ip6_route_output_flags+0x259/0x480 [ 5629.553662][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5629.553662][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5629.553662][ T1167] netlink_rcv_skb+0x130/0x360 [ 5629.553662][ T1167] netlink_unicast+0x449/0x710 [ 5629.553662][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5629.553662][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5629.553662][ T1167] ___sys_sendmsg+0xee/0x170 [ 5629.553662][ T1167] __sys_sendmsg+0xcd/0x170 [ 5629.553662][ T1167] do_syscall_64+0xc6/0x1e0 [ 5629.553662][ T1167] [ 5629.556119][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5629.556119][ T1167] netdev_get_by_index+0x5e/0x80 [ 5629.556119][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5629.556119][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5629.556119][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5629.556119][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5629.556119][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5629.556119][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5629.556119][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5629.556119][ T1167] addrconf_dad_begin+0x310/0x670 [ 5629.556119][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5629.556119][ T1167] process_one_work+0x84d/0x18a0 [ 5629.556119][ T1167] worker_thread+0x587/0xd30 [ 5629.556119][ T1167] kthread+0x28a/0x350 [ 5629.556119][ T1167] ret_from_fork+0x31/0x70 [ 5629.556119][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5629.556119][ T1167] [ 5629.558536][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5629.558536][ T1167] netdev_get_by_index+0x5e/0x80 [ 5629.558536][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5629.558536][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5629.558536][ T1167] ip6_route_add+0x1c/0x140 [ 5629.558536][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5629.558536][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5629.558536][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5629.558536][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5629.558536][ T1167] netlink_rcv_skb+0x130/0x360 [ 5629.558536][ T1167] netlink_unicast+0x449/0x710 [ 5629.558536][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5629.558536][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5629.558536][ T1167] ___sys_sendmsg+0xee/0x170 [ 5629.558536][ T1167] __sys_sendmsg+0xcd/0x170 [ 5629.558536][ T1167] do_syscall_64+0xc6/0x1e0 [ 5629.558536][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5629.558536][ T1167] [ 5629.561028][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5629.561028][ T1167] netdev_get_by_index+0x5e/0x80 [ 5629.561028][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5629.561028][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5629.561028][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5629.561028][ T1167] ipv6_add_addr+0x411/0x2000 [ 5629.561028][ T1167] inet6_addr_add+0x30e/0xa40 [ 5629.561028][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5629.561028][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5629.561028][ T1167] netlink_rcv_skb+0x130/0x360 [ 5629.561028][ T1167] netlink_unicast+0x449/0x710 [ 5629.561028][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5629.561028][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5629.561028][ T1167] ___sys_sendmsg+0xee/0x170 [ 5629.561028][ T1167] __sys_sendmsg+0xcd/0x170 [ 5629.561028][ T1167] do_syscall_64+0xc6/0x1e0 [ 5629.561028][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5629.561028][ T1167] [ 5629.563556][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5629.563556][ T1167] netdev_get_by_index+0x5e/0x80 [ 5629.563556][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5629.563556][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5629.563556][ T1167] ip6_route_add+0x1c/0x140 [ 5629.563556][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5629.563556][ T1167] addrconf_add_dev+0xe2/0x170 [ 5629.563556][ T1167] inet6_addr_add+0x12f/0xa40 [ 5629.563556][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5629.563556][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5629.563556][ T1167] netlink_rcv_skb+0x130/0x360 [ 5629.563556][ T1167] netlink_unicast+0x449/0x710 [ 5629.563556][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5629.563556][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5629.563556][ T1167] ___sys_sendmsg+0xee/0x170 [ 5629.563556][ T1167] __sys_sendmsg+0xcd/0x170 [ 5629.563556][ T1167] do_syscall_64+0xc6/0x1e0 [ 5629.563556][ T1167] [ 5629.565998][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5629.565998][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5629.565998][ T1167] ipv6_find_idev+0x102/0x170 [ 5629.565998][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5629.565998][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5629.565998][ T1167] netlink_rcv_skb+0x130/0x360 [ 5629.565998][ T1167] netlink_unicast+0x449/0x710 [ 5629.565998][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5629.565998][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5629.565998][ T1167] ___sys_sendmsg+0xee/0x170 [ 5629.565998][ T1167] __sys_sendmsg+0xcd/0x170 [ 5629.565998][ T1167] do_syscall_64+0xc6/0x1e0 [ 5629.565998][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5629.565998][ T1167] [ 5629.567929][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5629.567929][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5629.567929][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5629.567929][ T1167] ipv6_find_idev+0x102/0x170 [ 5629.567929][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5629.567929][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5629.567929][ T1167] netlink_rcv_skb+0x130/0x360 [ 5629.567929][ T1167] netlink_unicast+0x449/0x710 [ 5629.567929][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5629.567929][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5629.567929][ T1167] ___sys_sendmsg+0xee/0x170 [ 5629.567929][ T1167] __sys_sendmsg+0xcd/0x170 [ 5629.567929][ T1167] do_syscall_64+0xc6/0x1e0 [ 5629.567929][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5629.567929][ T1167] [ 5638.273131][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5638.273543][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5638.273543][ T10] netdev_get_by_index+0x5e/0x80 [ 5638.273543][ T10] fib6_nh_init+0x3d8/0x1580 [ 5638.273543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5638.273543][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5638.273543][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5638.273543][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5638.273543][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5638.273543][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5638.273543][ T10] addrconf_dad_begin+0x310/0x670 [ 5638.273543][ T10] addrconf_dad_work+0x10b/0xab0 [ 5638.273543][ T10] process_one_work+0x84d/0x18a0 [ 5638.273543][ T10] worker_thread+0x587/0xd30 [ 5638.273543][ T10] kthread+0x28a/0x350 [ 5638.273543][ T10] ret_from_fork+0x31/0x70 [ 5638.273543][ T10] ret_from_fork_asm+0x1a/0x30 [ 5638.273543][ T10] [ 5638.275508][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5638.275508][ T10] netdev_get_by_index+0x5e/0x80 [ 5638.275508][ T10] fib6_nh_init+0x3d8/0x1580 [ 5638.275508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5638.275508][ T10] ip6_route_add+0x1c/0x140 [ 5638.275508][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5638.275508][ T10] inet6_addr_add+0x4f8/0xa40 [ 5638.275508][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5638.275508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.275508][ T10] netlink_rcv_skb+0x130/0x360 [ 5638.275508][ T10] netlink_unicast+0x449/0x710 [ 5638.275508][ T10] netlink_sendmsg+0x723/0xbe0 [ 5638.275508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5638.275508][ T10] ___sys_sendmsg+0xee/0x170 [ 5638.275508][ T10] __sys_sendmsg+0xcd/0x170 [ 5638.275508][ T10] do_syscall_64+0xc6/0x1e0 [ 5638.275508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.275508][ T10] [ 5638.277535][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5638.277535][ T10] netdev_get_by_index+0x5e/0x80 [ 5638.277535][ T10] fib6_nh_init+0x3d8/0x1580 [ 5638.277535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5638.277535][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5638.277535][ T10] ipv6_add_addr+0x411/0x2000 [ 5638.277535][ T10] inet6_addr_add+0x30e/0xa40 [ 5638.277535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5638.277535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.277535][ T10] netlink_rcv_skb+0x130/0x360 [ 5638.277535][ T10] netlink_unicast+0x449/0x710 [ 5638.277535][ T10] netlink_sendmsg+0x723/0xbe0 [ 5638.277535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5638.277535][ T10] ___sys_sendmsg+0xee/0x170 [ 5638.277535][ T10] __sys_sendmsg+0xcd/0x170 [ 5638.277535][ T10] do_syscall_64+0xc6/0x1e0 [ 5638.277535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.277535][ T10] [ 5638.279540][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5638.279540][ T10] netdev_get_by_index+0x5e/0x80 [ 5638.279540][ T10] fib6_nh_init+0x3d8/0x1580 [ 5638.279540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5638.279540][ T10] ip6_route_add+0x1c/0x140 [ 5638.279540][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5638.279540][ T10] addrconf_add_dev+0xe2/0x170 [ 5638.279540][ T10] inet6_addr_add+0x12f/0xa40 [ 5638.279540][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5638.279540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.279540][ T10] netlink_rcv_skb+0x130/0x360 [ 5638.279540][ T10] netlink_unicast+0x449/0x710 [ 5638.279540][ T10] netlink_sendmsg+0x723/0xbe0 [ 5638.279540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5638.279540][ T10] ___sys_sendmsg+0xee/0x170 [ 5638.279540][ T10] __sys_sendmsg+0xcd/0x170 [ 5638.279540][ T10] do_syscall_64+0xc6/0x1e0 [ 5638.279540][ T10] [ 5638.281522][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5638.281522][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5638.281522][ T10] ipv6_find_idev+0x102/0x170 [ 5638.281522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5638.281522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.281522][ T10] netlink_rcv_skb+0x130/0x360 [ 5638.281522][ T10] netlink_unicast+0x449/0x710 [ 5638.281522][ T10] netlink_sendmsg+0x723/0xbe0 [ 5638.281522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5638.281522][ T10] ___sys_sendmsg+0xee/0x170 [ 5638.281522][ T10] __sys_sendmsg+0xcd/0x170 [ 5638.281522][ T10] do_syscall_64+0xc6/0x1e0 [ 5638.281522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.281522][ T10] [ 5638.283069][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5638.283069][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5638.283069][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5638.283069][ T10] ipv6_find_idev+0x102/0x170 [ 5638.283069][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5638.283069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.283069][ T10] netlink_rcv_skb+0x130/0x360 [ 5638.283069][ T10] netlink_unicast+0x449/0x710 [ 5638.283069][ T10] netlink_sendmsg+0x723/0xbe0 [ 5638.283069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5638.283069][ T10] ___sys_sendmsg+0xee/0x170 [ 5638.283069][ T10] __sys_sendmsg+0xcd/0x170 [ 5638.283069][ T10] do_syscall_64+0xc6/0x1e0 [ 5638.283069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.283069][ T10] [ 5638.284762][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5638.285039][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5638.285039][ T10] netdev_get_by_index+0x5e/0x80 [ 5638.285039][ T10] fib6_nh_init+0x3d8/0x1580 [ 5638.285039][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5638.285039][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5638.285039][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5638.285039][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5638.285039][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5638.285039][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5638.285039][ T10] addrconf_dad_begin+0x310/0x670 [ 5638.285039][ T10] addrconf_dad_work+0x10b/0xab0 [ 5638.285039][ T10] process_one_work+0x84d/0x18a0 [ 5638.285039][ T10] worker_thread+0x587/0xd30 [ 5638.285039][ T10] kthread+0x28a/0x350 [ 5638.285039][ T10] ret_from_fork+0x31/0x70 [ 5638.285039][ T10] ret_from_fork_asm+0x1a/0x30 [ 5638.285039][ T10] [ 5638.287031][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5638.287031][ T10] netdev_get_by_index+0x5e/0x80 [ 5638.287031][ T10] fib6_nh_init+0x3d8/0x1580 [ 5638.287031][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5638.287031][ T10] ip6_route_add+0x1c/0x140 [ 5638.287031][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5638.287031][ T10] inet6_addr_add+0x4f8/0xa40 [ 5638.287031][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5638.287031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.287031][ T10] netlink_rcv_skb+0x130/0x360 [ 5638.287031][ T10] netlink_unicast+0x449/0x710 [ 5638.287031][ T10] netlink_sendmsg+0x723/0xbe0 [ 5638.287031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5638.287031][ T10] ___sys_sendmsg+0xee/0x170 [ 5638.287031][ T10] __sys_sendmsg+0xcd/0x170 [ 5638.287031][ T10] do_syscall_64+0xc6/0x1e0 [ 5638.287031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.287031][ T10] [ 5638.289048][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5638.289048][ T10] netdev_get_by_index+0x5e/0x80 [ 5638.289048][ T10] fib6_nh_init+0x3d8/0x1580 [ 5638.289048][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5638.289048][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5638.289048][ T10] ipv6_add_addr+0x411/0x2000 [ 5638.289048][ T10] inet6_addr_add+0x30e/0xa40 [ 5638.289048][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5638.289048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.289048][ T10] netlink_rcv_skb+0x130/0x360 [ 5638.289048][ T10] netlink_unicast+0x449/0x710 [ 5638.289048][ T10] netlink_sendmsg+0x723/0xbe0 [ 5638.289048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5638.289048][ T10] ___sys_sendmsg+0xee/0x170 [ 5638.289048][ T10] __sys_sendmsg+0xcd/0x170 [ 5638.289048][ T10] do_syscall_64+0xc6/0x1e0 [ 5638.289048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.289048][ T10] [ 5638.291046][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5638.291046][ T10] netdev_get_by_index+0x5e/0x80 [ 5638.291046][ T10] fib6_nh_init+0x3d8/0x1580 [ 5638.291046][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5638.291046][ T10] ip6_route_add+0x1c/0x140 [ 5638.291046][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5638.291046][ T10] addrconf_add_dev+0xe2/0x170 [ 5638.291046][ T10] inet6_addr_add+0x12f/0xa40 [ 5638.291046][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5638.291046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.291046][ T10] netlink_rcv_skb+0x130/0x360 [ 5638.291046][ T10] netlink_unicast+0x449/0x710 [ 5638.291046][ T10] netlink_sendmsg+0x723/0xbe0 [ 5638.291046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5638.291046][ T10] ___sys_sendmsg+0xee/0x170 [ 5638.291046][ T10] __sys_sendmsg+0xcd/0x170 [ 5638.291046][ T10] do_syscall_64+0xc6/0x1e0 [ 5638.291046][ T10] [ 5638.293023][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5638.293023][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5638.293023][ T10] ipv6_find_idev+0x102/0x170 [ 5638.293023][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5638.293023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.293023][ T10] netlink_rcv_skb+0x130/0x360 [ 5638.293023][ T10] netlink_unicast+0x449/0x710 [ 5638.293023][ T10] netlink_sendmsg+0x723/0xbe0 [ 5638.293023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5638.293023][ T10] ___sys_sendmsg+0xee/0x170 [ 5638.293023][ T10] __sys_sendmsg+0xcd/0x170 [ 5638.293023][ T10] do_syscall_64+0xc6/0x1e0 [ 5638.293023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.293023][ T10] [ 5638.294563][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5638.294563][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5638.294563][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5638.294563][ T10] ipv6_find_idev+0x102/0x170 [ 5638.294563][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5638.294563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.294563][ T10] netlink_rcv_skb+0x130/0x360 [ 5638.294563][ T10] netlink_unicast+0x449/0x710 [ 5638.294563][ T10] netlink_sendmsg+0x723/0xbe0 [ 5638.294563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5638.294563][ T10] ___sys_sendmsg+0xee/0x170 [ 5638.294563][ T10] __sys_sendmsg+0xcd/0x170 [ 5638.294563][ T10] do_syscall_64+0xc6/0x1e0 [ 5638.294563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.294563][ T10] [ 5638.296237][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5638.296471][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5638.296471][ T10] netdev_get_by_index+0x5e/0x80 [ 5638.296471][ T10] fib6_nh_init+0x3d8/0x1580 [ 5638.296471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5638.296471][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5638.296471][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5638.296471][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5638.296471][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5638.296471][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5638.296471][ T10] addrconf_dad_begin+0x310/0x670 [ 5638.296471][ T10] addrconf_dad_work+0x10b/0xab0 [ 5638.296471][ T10] process_one_work+0x84d/0x18a0 [ 5638.296471][ T10] worker_thread+0x587/0xd30 [ 5638.296471][ T10] kthread+0x28a/0x350 [ 5638.296471][ T10] ret_from_fork+0x31/0x70 [ 5638.296471][ T10] ret_from_fork_asm+0x1a/0x30 [ 5638.296471][ T10] [ 5638.298384][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5638.298384][ T10] netdev_get_by_index+0x5e/0x80 [ 5638.298384][ T10] fib6_nh_init+0x3d8/0x1580 [ 5638.298384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5638.298384][ T10] ip6_route_add+0x1c/0x140 [ 5638.298384][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5638.298384][ T10] inet6_addr_add+0x4f8/0xa40 [ 5638.298384][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5638.298384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.298384][ T10] netlink_rcv_skb+0x130/0x360 [ 5638.298384][ T10] netlink_unicast+0x449/0x710 [ 5638.298384][ T10] netlink_sendmsg+0x723/0xbe0 [ 5638.298384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5638.298384][ T10] ___sys_sendmsg+0xee/0x170 [ 5638.298384][ T10] __sys_sendmsg+0xcd/0x170 [ 5638.298384][ T10] do_syscall_64+0xc6/0x1e0 [ 5638.298384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.298384][ T10] [ 5638.300563][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5638.300563][ T10] netdev_get_by_index+0x5e/0x80 [ 5638.300563][ T10] fib6_nh_init+0x3d8/0x1580 [ 5638.300563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5638.300563][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5638.300563][ T10] ipv6_add_addr+0x411/0x2000 [ 5638.300563][ T10] inet6_addr_add+0x30e/0xa40 [ 5638.300563][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5638.300563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.300563][ T10] netlink_rcv_skb+0x130/0x360 [ 5638.300563][ T10] netlink_unicast+0x449/0x710 [ 5638.300563][ T10] netlink_sendmsg+0x723/0xbe0 [ 5638.300563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5638.300563][ T10] ___sys_sendmsg+0xee/0x170 [ 5638.300563][ T10] __sys_sendmsg+0xcd/0x170 [ 5638.300563][ T10] do_syscall_64+0xc6/0x1e0 [ 5638.300563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.300563][ T10] [ 5638.302834][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5638.302834][ T10] netdev_get_by_index+0x5e/0x80 [ 5638.302834][ T10] fib6_nh_init+0x3d8/0x1580 [ 5638.302834][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5638.302834][ T10] ip6_route_add+0x1c/0x140 [ 5638.302834][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5638.302834][ T10] addrconf_add_dev+0xe2/0x170 [ 5638.302834][ T10] inet6_addr_add+0x12f/0xa40 [ 5638.302834][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5638.302834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.302834][ T10] netlink_rcv_skb+0x130/0x360 [ 5638.302834][ T10] netlink_unicast+0x449/0x710 [ 5638.302834][ T10] netlink_sendmsg+0x723/0xbe0 [ 5638.302834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5638.302834][ T10] ___sys_sendmsg+0xee/0x170 [ 5638.302834][ T10] __sys_sendmsg+0xcd/0x170 [ 5638.302834][ T10] do_syscall_64+0xc6/0x1e0 [ 5638.302834][ T10] [ 5638.305066][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5638.305066][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5638.305066][ T10] ipv6_find_idev+0x102/0x170 [ 5638.305066][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5638.305066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.305066][ T10] netlink_rcv_skb+0x130/0x360 [ 5638.305066][ T10] netlink_unicast+0x449/0x710 [ 5638.305066][ T10] netlink_sendmsg+0x723/0xbe0 [ 5638.305066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5638.305066][ T10] ___sys_sendmsg+0xee/0x170 [ 5638.305066][ T10] __sys_sendmsg+0xcd/0x170 [ 5638.305066][ T10] do_syscall_64+0xc6/0x1e0 [ 5638.305066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.305066][ T10] [ 5638.306863][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5638.306863][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5638.306863][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5638.306863][ T10] ipv6_find_idev+0x102/0x170 [ 5638.306863][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5638.306863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.306863][ T10] netlink_rcv_skb+0x130/0x360 [ 5638.306863][ T10] netlink_unicast+0x449/0x710 [ 5638.306863][ T10] netlink_sendmsg+0x723/0xbe0 [ 5638.306863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5638.306863][ T10] ___sys_sendmsg+0xee/0x170 [ 5638.306863][ T10] __sys_sendmsg+0xcd/0x170 [ 5638.306863][ T10] do_syscall_64+0xc6/0x1e0 [ 5638.306863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.306863][ T10] [ 5638.308740][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5638.308974][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5638.308974][ T10] netdev_get_by_index+0x5e/0x80 [ 5638.308974][ T10] fib6_nh_init+0x3d8/0x1580 [ 5638.308974][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5638.308974][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5638.308974][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5638.308974][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5638.308974][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5638.308974][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5638.308974][ T10] addrconf_dad_begin+0x310/0x670 [ 5638.308974][ T10] addrconf_dad_work+0x10b/0xab0 [ 5638.308974][ T10] process_one_work+0x84d/0x18a0 [ 5638.308974][ T10] worker_thread+0x587/0xd30 [ 5638.308974][ T10] kthread+0x28a/0x350 [ 5638.308974][ T10] ret_from_fork+0x31/0x70 [ 5638.308974][ T10] ret_from_fork_asm+0x1a/0x30 [ 5638.308974][ T10] [ 5638.311152][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5638.311152][ T10] netdev_get_by_index+0x5e/0x80 [ 5638.311152][ T10] fib6_nh_init+0x3d8/0x1580 [ 5638.311152][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5638.311152][ T10] ip6_route_add+0x1c/0x140 [ 5638.311152][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5638.311152][ T10] inet6_addr_add+0x4f8/0xa40 [ 5638.311152][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5638.311152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.311152][ T10] netlink_rcv_skb+0x130/0x360 [ 5638.311152][ T10] netlink_unicast+0x449/0x710 [ 5638.311152][ T10] netlink_sendmsg+0x723/0xbe0 [ 5638.311152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5638.311152][ T10] ___sys_sendmsg+0xee/0x170 [ 5638.311152][ T10] __sys_sendmsg+0xcd/0x170 [ 5638.311152][ T10] do_syscall_64+0xc6/0x1e0 [ 5638.311152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.311152][ T10] [ 5638.313401][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5638.313401][ T10] netdev_get_by_index+0x5e/0x80 [ 5638.313401][ T10] fib6_nh_init+0x3d8/0x1580 [ 5638.313401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5638.313401][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5638.313401][ T10] ipv6_add_addr+0x411/0x2000 [ 5638.313401][ T10] inet6_addr_add+0x30e/0xa40 [ 5638.313401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5638.313401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.313401][ T10] netlink_rcv_skb+0x130/0x360 [ 5638.313401][ T10] netlink_unicast+0x449/0x710 [ 5638.313401][ T10] netlink_sendmsg+0x723/0xbe0 [ 5638.313401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5638.313401][ T10] ___sys_sendmsg+0xee/0x170 [ 5638.313401][ T10] __sys_sendmsg+0xcd/0x170 [ 5638.313401][ T10] do_syscall_64+0xc6/0x1e0 [ 5638.313401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.313401][ T10] [ 5638.315723][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5638.315723][ T10] netdev_get_by_index+0x5e/0x80 [ 5638.315723][ T10] fib6_nh_init+0x3d8/0x1580 [ 5638.315723][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5638.315723][ T10] ip6_route_add+0x1c/0x140 [ 5638.315723][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5638.315723][ T10] addrconf_add_dev+0xe2/0x170 [ 5638.315723][ T10] inet6_addr_add+0x12f/0xa40 [ 5638.315723][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5638.315723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.315723][ T10] netlink_rcv_skb+0x130/0x360 [ 5638.315723][ T10] netlink_unicast+0x449/0x710 [ 5638.315723][ T10] netlink_sendmsg+0x723/0xbe0 [ 5638.315723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5638.315723][ T10] ___sys_sendmsg+0xee/0x170 [ 5638.315723][ T10] __sys_sendmsg+0xcd/0x170 [ 5638.315723][ T10] do_syscall_64+0xc6/0x1e0 [ 5638.315723][ T10] [ 5638.317868][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5638.317868][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5638.317868][ T10] ipv6_find_idev+0x102/0x170 [ 5638.317868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5638.317868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.317868][ T10] netlink_rcv_skb+0x130/0x360 [ 5638.317868][ T10] netlink_unicast+0x449/0x710 [ 5638.317868][ T10] netlink_sendmsg+0x723/0xbe0 [ 5638.317868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5638.317868][ T10] ___sys_sendmsg+0xee/0x170 [ 5638.317868][ T10] __sys_sendmsg+0xcd/0x170 [ 5638.317868][ T10] do_syscall_64+0xc6/0x1e0 [ 5638.317868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.317868][ T10] [ 5638.319595][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5638.319595][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5638.319595][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5638.319595][ T10] ipv6_find_idev+0x102/0x170 [ 5638.319595][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5638.319595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5638.319595][ T10] netlink_rcv_skb+0x130/0x360 [ 5638.319595][ T10] netlink_unicast+0x449/0x710 [ 5638.319595][ T10] netlink_sendmsg+0x723/0xbe0 [ 5638.319595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5638.319595][ T10] ___sys_sendmsg+0xee/0x170 [ 5638.319595][ T10] __sys_sendmsg+0xcd/0x170 [ 5638.319595][ T10] do_syscall_64+0xc6/0x1e0 [ 5638.319595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5638.319595][ T10] [ 5639.809104][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5639.809654][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5639.809654][ T1167] dst_init+0x84/0x4a0 [ 5639.809654][ T1167] dst_alloc+0x97/0x150 [ 5639.809654][ T1167] ip6_dst_alloc+0x23/0x90 [ 5639.809654][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5639.809654][ T1167] ip6_pol_route+0x56f/0x840 [ 5639.809654][ T1167] fib6_rule_lookup+0x334/0x630 [ 5639.809654][ T1167] ip6_route_output_flags+0x259/0x480 [ 5639.809654][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5639.809654][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5639.809654][ T1167] netlink_rcv_skb+0x130/0x360 [ 5639.809654][ T1167] netlink_unicast+0x449/0x710 [ 5639.809654][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5639.809654][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5639.809654][ T1167] ___sys_sendmsg+0xee/0x170 [ 5639.809654][ T1167] __sys_sendmsg+0xcd/0x170 [ 5639.809654][ T1167] do_syscall_64+0xc6/0x1e0 [ 5639.809654][ T1167] [ 5639.812099][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5639.812099][ T1167] netdev_get_by_index+0x5e/0x80 [ 5639.812099][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5639.812099][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5639.812099][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5639.812099][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5639.812099][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5639.812099][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5639.812099][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5639.812099][ T1167] addrconf_dad_begin+0x310/0x670 [ 5639.812099][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5639.812099][ T1167] process_one_work+0x84d/0x18a0 [ 5639.812099][ T1167] worker_thread+0x587/0xd30 [ 5639.812099][ T1167] kthread+0x28a/0x350 [ 5639.812099][ T1167] ret_from_fork+0x31/0x70 [ 5639.812099][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5639.812099][ T1167] [ 5639.814496][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5639.814496][ T1167] netdev_get_by_index+0x5e/0x80 [ 5639.814496][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5639.814496][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5639.814496][ T1167] ip6_route_add+0x1c/0x140 [ 5639.814496][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5639.814496][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5639.814496][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5639.814496][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5639.814496][ T1167] netlink_rcv_skb+0x130/0x360 [ 5639.814496][ T1167] netlink_unicast+0x449/0x710 [ 5639.814496][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5639.814496][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5639.814496][ T1167] ___sys_sendmsg+0xee/0x170 [ 5639.814496][ T1167] __sys_sendmsg+0xcd/0x170 [ 5639.814496][ T1167] do_syscall_64+0xc6/0x1e0 [ 5639.814496][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5639.814496][ T1167] [ 5639.816974][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5639.816974][ T1167] netdev_get_by_index+0x5e/0x80 [ 5639.816974][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5639.816974][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5639.816974][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5639.816974][ T1167] ipv6_add_addr+0x411/0x2000 [ 5639.816974][ T1167] inet6_addr_add+0x30e/0xa40 [ 5639.816974][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5639.816974][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5639.816974][ T1167] netlink_rcv_skb+0x130/0x360 [ 5639.816974][ T1167] netlink_unicast+0x449/0x710 [ 5639.816974][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5639.816974][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5639.816974][ T1167] ___sys_sendmsg+0xee/0x170 [ 5639.816974][ T1167] __sys_sendmsg+0xcd/0x170 [ 5639.816974][ T1167] do_syscall_64+0xc6/0x1e0 [ 5639.816974][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5639.816974][ T1167] [ 5639.819462][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5639.819462][ T1167] netdev_get_by_index+0x5e/0x80 [ 5639.819462][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5639.819462][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5639.819462][ T1167] ip6_route_add+0x1c/0x140 [ 5639.819462][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5639.819462][ T1167] addrconf_add_dev+0xe2/0x170 [ 5639.819462][ T1167] inet6_addr_add+0x12f/0xa40 [ 5639.819462][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5639.819462][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5639.819462][ T1167] netlink_rcv_skb+0x130/0x360 [ 5639.819462][ T1167] netlink_unicast+0x449/0x710 [ 5639.819462][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5639.819462][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5639.819462][ T1167] ___sys_sendmsg+0xee/0x170 [ 5639.819462][ T1167] __sys_sendmsg+0xcd/0x170 [ 5639.819462][ T1167] do_syscall_64+0xc6/0x1e0 [ 5639.819462][ T1167] [ 5639.821916][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5639.821916][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5639.821916][ T1167] ipv6_find_idev+0x102/0x170 [ 5639.821916][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5639.821916][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5639.821916][ T1167] netlink_rcv_skb+0x130/0x360 [ 5639.821916][ T1167] netlink_unicast+0x449/0x710 [ 5639.821916][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5639.821916][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5639.821916][ T1167] ___sys_sendmsg+0xee/0x170 [ 5639.821916][ T1167] __sys_sendmsg+0xcd/0x170 [ 5639.821916][ T1167] do_syscall_64+0xc6/0x1e0 [ 5639.821916][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5639.821916][ T1167] [ 5639.823836][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5639.823836][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5639.823836][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5639.823836][ T1167] ipv6_find_idev+0x102/0x170 [ 5639.823836][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5639.823836][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5639.823836][ T1167] netlink_rcv_skb+0x130/0x360 [ 5639.823836][ T1167] netlink_unicast+0x449/0x710 [ 5639.823836][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5639.823836][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5639.823836][ T1167] ___sys_sendmsg+0xee/0x170 [ 5639.823836][ T1167] __sys_sendmsg+0xcd/0x170 [ 5639.823836][ T1167] do_syscall_64+0xc6/0x1e0 [ 5639.823836][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5639.823836][ T1167] [ 5648.561036][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5648.561461][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5648.561461][ T10] netdev_get_by_index+0x5e/0x80 [ 5648.561461][ T10] fib6_nh_init+0x3d8/0x1580 [ 5648.561461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5648.561461][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5648.561461][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5648.561461][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5648.561461][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5648.561461][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5648.561461][ T10] addrconf_dad_begin+0x310/0x670 [ 5648.561461][ T10] addrconf_dad_work+0x10b/0xab0 [ 5648.561461][ T10] process_one_work+0x84d/0x18a0 [ 5648.561461][ T10] worker_thread+0x587/0xd30 [ 5648.561461][ T10] kthread+0x28a/0x350 [ 5648.561461][ T10] ret_from_fork+0x31/0x70 [ 5648.561461][ T10] ret_from_fork_asm+0x1a/0x30 [ 5648.561461][ T10] [ 5648.563466][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5648.563466][ T10] netdev_get_by_index+0x5e/0x80 [ 5648.563466][ T10] fib6_nh_init+0x3d8/0x1580 [ 5648.563466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5648.563466][ T10] ip6_route_add+0x1c/0x140 [ 5648.563466][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5648.563466][ T10] inet6_addr_add+0x4f8/0xa40 [ 5648.563466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5648.563466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.563466][ T10] netlink_rcv_skb+0x130/0x360 [ 5648.563466][ T10] netlink_unicast+0x449/0x710 [ 5648.563466][ T10] netlink_sendmsg+0x723/0xbe0 [ 5648.563466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5648.563466][ T10] ___sys_sendmsg+0xee/0x170 [ 5648.563466][ T10] __sys_sendmsg+0xcd/0x170 [ 5648.563466][ T10] do_syscall_64+0xc6/0x1e0 [ 5648.563466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.563466][ T10] [ 5648.565491][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5648.565491][ T10] netdev_get_by_index+0x5e/0x80 [ 5648.565491][ T10] fib6_nh_init+0x3d8/0x1580 [ 5648.565491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5648.565491][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5648.565491][ T10] ipv6_add_addr+0x411/0x2000 [ 5648.565491][ T10] inet6_addr_add+0x30e/0xa40 [ 5648.565491][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5648.565491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.565491][ T10] netlink_rcv_skb+0x130/0x360 [ 5648.565491][ T10] netlink_unicast+0x449/0x710 [ 5648.565491][ T10] netlink_sendmsg+0x723/0xbe0 [ 5648.565491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5648.565491][ T10] ___sys_sendmsg+0xee/0x170 [ 5648.565491][ T10] __sys_sendmsg+0xcd/0x170 [ 5648.565491][ T10] do_syscall_64+0xc6/0x1e0 [ 5648.565491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.565491][ T10] [ 5648.567535][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5648.567535][ T10] netdev_get_by_index+0x5e/0x80 [ 5648.567535][ T10] fib6_nh_init+0x3d8/0x1580 [ 5648.567535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5648.567535][ T10] ip6_route_add+0x1c/0x140 [ 5648.567535][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5648.567535][ T10] addrconf_add_dev+0xe2/0x170 [ 5648.567535][ T10] inet6_addr_add+0x12f/0xa40 [ 5648.567535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5648.567535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.567535][ T10] netlink_rcv_skb+0x130/0x360 [ 5648.567535][ T10] netlink_unicast+0x449/0x710 [ 5648.567535][ T10] netlink_sendmsg+0x723/0xbe0 [ 5648.567535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5648.567535][ T10] ___sys_sendmsg+0xee/0x170 [ 5648.567535][ T10] __sys_sendmsg+0xcd/0x170 [ 5648.567535][ T10] do_syscall_64+0xc6/0x1e0 [ 5648.567535][ T10] [ 5648.569519][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5648.569519][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5648.569519][ T10] ipv6_find_idev+0x102/0x170 [ 5648.569519][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5648.569519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.569519][ T10] netlink_rcv_skb+0x130/0x360 [ 5648.569519][ T10] netlink_unicast+0x449/0x710 [ 5648.569519][ T10] netlink_sendmsg+0x723/0xbe0 [ 5648.569519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5648.569519][ T10] ___sys_sendmsg+0xee/0x170 [ 5648.569519][ T10] __sys_sendmsg+0xcd/0x170 [ 5648.569519][ T10] do_syscall_64+0xc6/0x1e0 [ 5648.569519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.569519][ T10] [ 5648.571080][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5648.571080][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5648.571080][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5648.571080][ T10] ipv6_find_idev+0x102/0x170 [ 5648.571080][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5648.571080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.571080][ T10] netlink_rcv_skb+0x130/0x360 [ 5648.571080][ T10] netlink_unicast+0x449/0x710 [ 5648.571080][ T10] netlink_sendmsg+0x723/0xbe0 [ 5648.571080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5648.571080][ T10] ___sys_sendmsg+0xee/0x170 [ 5648.571080][ T10] __sys_sendmsg+0xcd/0x170 [ 5648.571080][ T10] do_syscall_64+0xc6/0x1e0 [ 5648.571080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.571080][ T10] [ 5648.572811][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5648.573073][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5648.573073][ T10] netdev_get_by_index+0x5e/0x80 [ 5648.573073][ T10] fib6_nh_init+0x3d8/0x1580 [ 5648.573073][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5648.573073][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5648.573073][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5648.573073][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5648.573073][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5648.573073][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5648.573073][ T10] addrconf_dad_begin+0x310/0x670 [ 5648.573073][ T10] addrconf_dad_work+0x10b/0xab0 [ 5648.573073][ T10] process_one_work+0x84d/0x18a0 [ 5648.573073][ T10] worker_thread+0x587/0xd30 [ 5648.573073][ T10] kthread+0x28a/0x350 [ 5648.573073][ T10] ret_from_fork+0x31/0x70 [ 5648.573073][ T10] ret_from_fork_asm+0x1a/0x30 [ 5648.573073][ T10] [ 5648.575003][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5648.575003][ T10] netdev_get_by_index+0x5e/0x80 [ 5648.575003][ T10] fib6_nh_init+0x3d8/0x1580 [ 5648.575003][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5648.575003][ T10] ip6_route_add+0x1c/0x140 [ 5648.575003][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5648.575003][ T10] inet6_addr_add+0x4f8/0xa40 [ 5648.575003][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5648.575003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.575003][ T10] netlink_rcv_skb+0x130/0x360 [ 5648.575003][ T10] netlink_unicast+0x449/0x710 [ 5648.575003][ T10] netlink_sendmsg+0x723/0xbe0 [ 5648.575003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5648.575003][ T10] ___sys_sendmsg+0xee/0x170 [ 5648.575003][ T10] __sys_sendmsg+0xcd/0x170 [ 5648.575003][ T10] do_syscall_64+0xc6/0x1e0 [ 5648.575003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.575003][ T10] [ 5648.577024][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5648.577024][ T10] netdev_get_by_index+0x5e/0x80 [ 5648.577024][ T10] fib6_nh_init+0x3d8/0x1580 [ 5648.577024][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5648.577024][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5648.577024][ T10] ipv6_add_addr+0x411/0x2000 [ 5648.577024][ T10] inet6_addr_add+0x30e/0xa40 [ 5648.577024][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5648.577024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.577024][ T10] netlink_rcv_skb+0x130/0x360 [ 5648.577024][ T10] netlink_unicast+0x449/0x710 [ 5648.577024][ T10] netlink_sendmsg+0x723/0xbe0 [ 5648.577024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5648.577024][ T10] ___sys_sendmsg+0xee/0x170 [ 5648.577024][ T10] __sys_sendmsg+0xcd/0x170 [ 5648.577024][ T10] do_syscall_64+0xc6/0x1e0 [ 5648.577024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.577024][ T10] [ 5648.579048][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5648.579048][ T10] netdev_get_by_index+0x5e/0x80 [ 5648.579048][ T10] fib6_nh_init+0x3d8/0x1580 [ 5648.579048][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5648.579048][ T10] ip6_route_add+0x1c/0x140 [ 5648.579048][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5648.579048][ T10] addrconf_add_dev+0xe2/0x170 [ 5648.579048][ T10] inet6_addr_add+0x12f/0xa40 [ 5648.579048][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5648.579048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.579048][ T10] netlink_rcv_skb+0x130/0x360 [ 5648.579048][ T10] netlink_unicast+0x449/0x710 [ 5648.579048][ T10] netlink_sendmsg+0x723/0xbe0 [ 5648.579048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5648.579048][ T10] ___sys_sendmsg+0xee/0x170 [ 5648.579048][ T10] __sys_sendmsg+0xcd/0x170 [ 5648.579048][ T10] do_syscall_64+0xc6/0x1e0 [ 5648.579048][ T10] [ 5648.581031][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5648.581031][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5648.581031][ T10] ipv6_find_idev+0x102/0x170 [ 5648.581031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5648.581031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.581031][ T10] netlink_rcv_skb+0x130/0x360 [ 5648.581031][ T10] netlink_unicast+0x449/0x710 [ 5648.581031][ T10] netlink_sendmsg+0x723/0xbe0 [ 5648.581031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5648.581031][ T10] ___sys_sendmsg+0xee/0x170 [ 5648.581031][ T10] __sys_sendmsg+0xcd/0x170 [ 5648.581031][ T10] do_syscall_64+0xc6/0x1e0 [ 5648.581031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.581031][ T10] [ 5648.582602][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5648.582602][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5648.582602][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5648.582602][ T10] ipv6_find_idev+0x102/0x170 [ 5648.582602][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5648.582602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.582602][ T10] netlink_rcv_skb+0x130/0x360 [ 5648.582602][ T10] netlink_unicast+0x449/0x710 [ 5648.582602][ T10] netlink_sendmsg+0x723/0xbe0 [ 5648.582602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5648.582602][ T10] ___sys_sendmsg+0xee/0x170 [ 5648.582602][ T10] __sys_sendmsg+0xcd/0x170 [ 5648.582602][ T10] do_syscall_64+0xc6/0x1e0 [ 5648.582602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.582602][ T10] [ 5648.584297][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5648.584550][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5648.584550][ T10] netdev_get_by_index+0x5e/0x80 [ 5648.584550][ T10] fib6_nh_init+0x3d8/0x1580 [ 5648.584550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5648.584550][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5648.584550][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5648.584550][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5648.584550][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5648.584550][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5648.584550][ T10] addrconf_dad_begin+0x310/0x670 [ 5648.584550][ T10] addrconf_dad_work+0x10b/0xab0 [ 5648.584550][ T10] process_one_work+0x84d/0x18a0 [ 5648.584550][ T10] worker_thread+0x587/0xd30 [ 5648.584550][ T10] kthread+0x28a/0x350 [ 5648.584550][ T10] ret_from_fork+0x31/0x70 [ 5648.584550][ T10] ret_from_fork_asm+0x1a/0x30 [ 5648.584550][ T10] [ 5648.586486][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5648.586486][ T10] netdev_get_by_index+0x5e/0x80 [ 5648.586486][ T10] fib6_nh_init+0x3d8/0x1580 [ 5648.586486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5648.586486][ T10] ip6_route_add+0x1c/0x140 [ 5648.586486][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5648.586486][ T10] inet6_addr_add+0x4f8/0xa40 [ 5648.586486][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5648.586486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.586486][ T10] netlink_rcv_skb+0x130/0x360 [ 5648.586486][ T10] netlink_unicast+0x449/0x710 [ 5648.586486][ T10] netlink_sendmsg+0x723/0xbe0 [ 5648.586486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5648.586486][ T10] ___sys_sendmsg+0xee/0x170 [ 5648.586486][ T10] __sys_sendmsg+0xcd/0x170 [ 5648.586486][ T10] do_syscall_64+0xc6/0x1e0 [ 5648.586486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.586486][ T10] [ 5648.588636][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5648.588636][ T10] netdev_get_by_index+0x5e/0x80 [ 5648.588636][ T10] fib6_nh_init+0x3d8/0x1580 [ 5648.588636][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5648.588636][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5648.588636][ T10] ipv6_add_addr+0x411/0x2000 [ 5648.588636][ T10] inet6_addr_add+0x30e/0xa40 [ 5648.588636][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5648.588636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.588636][ T10] netlink_rcv_skb+0x130/0x360 [ 5648.588636][ T10] netlink_unicast+0x449/0x710 [ 5648.588636][ T10] netlink_sendmsg+0x723/0xbe0 [ 5648.588636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5648.588636][ T10] ___sys_sendmsg+0xee/0x170 [ 5648.588636][ T10] __sys_sendmsg+0xcd/0x170 [ 5648.588636][ T10] do_syscall_64+0xc6/0x1e0 [ 5648.588636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.588636][ T10] [ 5648.590777][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5648.590777][ T10] netdev_get_by_index+0x5e/0x80 [ 5648.590777][ T10] fib6_nh_init+0x3d8/0x1580 [ 5648.590777][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5648.590777][ T10] ip6_route_add+0x1c/0x140 [ 5648.590777][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5648.590777][ T10] addrconf_add_dev+0xe2/0x170 [ 5648.590777][ T10] inet6_addr_add+0x12f/0xa40 [ 5648.590777][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5648.590777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.590777][ T10] netlink_rcv_skb+0x130/0x360 [ 5648.590777][ T10] netlink_unicast+0x449/0x710 [ 5648.590777][ T10] netlink_sendmsg+0x723/0xbe0 [ 5648.590777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5648.590777][ T10] ___sys_sendmsg+0xee/0x170 [ 5648.590777][ T10] __sys_sendmsg+0xcd/0x170 [ 5648.590777][ T10] do_syscall_64+0xc6/0x1e0 [ 5648.590777][ T10] [ 5648.592916][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5648.592916][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5648.592916][ T10] ipv6_find_idev+0x102/0x170 [ 5648.592916][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5648.592916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.592916][ T10] netlink_rcv_skb+0x130/0x360 [ 5648.592916][ T10] netlink_unicast+0x449/0x710 [ 5648.592916][ T10] netlink_sendmsg+0x723/0xbe0 [ 5648.592916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5648.592916][ T10] ___sys_sendmsg+0xee/0x170 [ 5648.592916][ T10] __sys_sendmsg+0xcd/0x170 [ 5648.592916][ T10] do_syscall_64+0xc6/0x1e0 [ 5648.592916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.592916][ T10] [ 5648.594597][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5648.594597][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5648.594597][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5648.594597][ T10] ipv6_find_idev+0x102/0x170 [ 5648.594597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5648.594597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.594597][ T10] netlink_rcv_skb+0x130/0x360 [ 5648.594597][ T10] netlink_unicast+0x449/0x710 [ 5648.594597][ T10] netlink_sendmsg+0x723/0xbe0 [ 5648.594597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5648.594597][ T10] ___sys_sendmsg+0xee/0x170 [ 5648.594597][ T10] __sys_sendmsg+0xcd/0x170 [ 5648.594597][ T10] do_syscall_64+0xc6/0x1e0 [ 5648.594597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.594597][ T10] [ 5648.596354][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5648.596603][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5648.596603][ T10] netdev_get_by_index+0x5e/0x80 [ 5648.596603][ T10] fib6_nh_init+0x3d8/0x1580 [ 5648.596603][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5648.596603][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5648.596603][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5648.596603][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5648.596603][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5648.596603][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5648.596603][ T10] addrconf_dad_begin+0x310/0x670 [ 5648.596603][ T10] addrconf_dad_work+0x10b/0xab0 [ 5648.596603][ T10] process_one_work+0x84d/0x18a0 [ 5648.596603][ T10] worker_thread+0x587/0xd30 [ 5648.596603][ T10] kthread+0x28a/0x350 [ 5648.596603][ T10] ret_from_fork+0x31/0x70 [ 5648.596603][ T10] ret_from_fork_asm+0x1a/0x30 [ 5648.596603][ T10] [ 5648.598679][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5648.598679][ T10] netdev_get_by_index+0x5e/0x80 [ 5648.598679][ T10] fib6_nh_init+0x3d8/0x1580 [ 5648.598679][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5648.598679][ T10] ip6_route_add+0x1c/0x140 [ 5648.598679][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5648.598679][ T10] inet6_addr_add+0x4f8/0xa40 [ 5648.598679][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5648.598679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.598679][ T10] netlink_rcv_skb+0x130/0x360 [ 5648.598679][ T10] netlink_unicast+0x449/0x710 [ 5648.598679][ T10] netlink_sendmsg+0x723/0xbe0 [ 5648.598679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5648.598679][ T10] ___sys_sendmsg+0xee/0x170 [ 5648.598679][ T10] __sys_sendmsg+0xcd/0x170 [ 5648.598679][ T10] do_syscall_64+0xc6/0x1e0 [ 5648.598679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.598679][ T10] [ 5648.600809][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5648.600809][ T10] netdev_get_by_index+0x5e/0x80 [ 5648.600809][ T10] fib6_nh_init+0x3d8/0x1580 [ 5648.600809][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5648.600809][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5648.600809][ T10] ipv6_add_addr+0x411/0x2000 [ 5648.600809][ T10] inet6_addr_add+0x30e/0xa40 [ 5648.600809][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5648.600809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.600809][ T10] netlink_rcv_skb+0x130/0x360 [ 5648.600809][ T10] netlink_unicast+0x449/0x710 [ 5648.600809][ T10] netlink_sendmsg+0x723/0xbe0 [ 5648.600809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5648.600809][ T10] ___sys_sendmsg+0xee/0x170 [ 5648.600809][ T10] __sys_sendmsg+0xcd/0x170 [ 5648.600809][ T10] do_syscall_64+0xc6/0x1e0 [ 5648.600809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.600809][ T10] [ 5648.602967][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5648.602967][ T10] netdev_get_by_index+0x5e/0x80 [ 5648.602967][ T10] fib6_nh_init+0x3d8/0x1580 [ 5648.602967][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5648.602967][ T10] ip6_route_add+0x1c/0x140 [ 5648.602967][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5648.602967][ T10] addrconf_add_dev+0xe2/0x170 [ 5648.602967][ T10] inet6_addr_add+0x12f/0xa40 [ 5648.602967][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5648.602967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.602967][ T10] netlink_rcv_skb+0x130/0x360 [ 5648.602967][ T10] netlink_unicast+0x449/0x710 [ 5648.602967][ T10] netlink_sendmsg+0x723/0xbe0 [ 5648.602967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5648.602967][ T10] ___sys_sendmsg+0xee/0x170 [ 5648.602967][ T10] __sys_sendmsg+0xcd/0x170 [ 5648.602967][ T10] do_syscall_64+0xc6/0x1e0 [ 5648.602967][ T10] [ 5648.605070][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5648.605070][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5648.605070][ T10] ipv6_find_idev+0x102/0x170 [ 5648.605070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5648.605070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.605070][ T10] netlink_rcv_skb+0x130/0x360 [ 5648.605070][ T10] netlink_unicast+0x449/0x710 [ 5648.605070][ T10] netlink_sendmsg+0x723/0xbe0 [ 5648.605070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5648.605070][ T10] ___sys_sendmsg+0xee/0x170 [ 5648.605070][ T10] __sys_sendmsg+0xcd/0x170 [ 5648.605070][ T10] do_syscall_64+0xc6/0x1e0 [ 5648.605070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.605070][ T10] [ 5648.606680][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5648.606680][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5648.606680][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5648.606680][ T10] ipv6_find_idev+0x102/0x170 [ 5648.606680][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5648.606680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5648.606680][ T10] netlink_rcv_skb+0x130/0x360 [ 5648.606680][ T10] netlink_unicast+0x449/0x710 [ 5648.606680][ T10] netlink_sendmsg+0x723/0xbe0 [ 5648.606680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5648.606680][ T10] ___sys_sendmsg+0xee/0x170 [ 5648.606680][ T10] __sys_sendmsg+0xcd/0x170 [ 5648.606680][ T10] do_syscall_64+0xc6/0x1e0 [ 5648.606680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5648.606680][ T10] [ 5650.065145][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5650.065666][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5650.065666][ T1167] dst_init+0x84/0x4a0 [ 5650.065666][ T1167] dst_alloc+0x97/0x150 [ 5650.065666][ T1167] ip6_dst_alloc+0x23/0x90 [ 5650.065666][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5650.065666][ T1167] ip6_pol_route+0x56f/0x840 [ 5650.065666][ T1167] fib6_rule_lookup+0x334/0x630 [ 5650.065666][ T1167] ip6_route_output_flags+0x259/0x480 [ 5650.065666][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5650.065666][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5650.065666][ T1167] netlink_rcv_skb+0x130/0x360 [ 5650.065666][ T1167] netlink_unicast+0x449/0x710 [ 5650.065666][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5650.065666][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5650.065666][ T1167] ___sys_sendmsg+0xee/0x170 [ 5650.065666][ T1167] __sys_sendmsg+0xcd/0x170 [ 5650.065666][ T1167] do_syscall_64+0xc6/0x1e0 [ 5650.065666][ T1167] [ 5650.068145][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5650.068145][ T1167] netdev_get_by_index+0x5e/0x80 [ 5650.068145][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5650.068145][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5650.068145][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5650.068145][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5650.068145][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5650.068145][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5650.068145][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5650.068145][ T1167] addrconf_dad_begin+0x310/0x670 [ 5650.068145][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5650.068145][ T1167] process_one_work+0x84d/0x18a0 [ 5650.068145][ T1167] worker_thread+0x587/0xd30 [ 5650.068145][ T1167] kthread+0x28a/0x350 [ 5650.068145][ T1167] ret_from_fork+0x31/0x70 [ 5650.068145][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5650.068145][ T1167] [ 5650.070551][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5650.070551][ T1167] netdev_get_by_index+0x5e/0x80 [ 5650.070551][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5650.070551][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5650.070551][ T1167] ip6_route_add+0x1c/0x140 [ 5650.070551][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5650.070551][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5650.070551][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5650.070551][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5650.070551][ T1167] netlink_rcv_skb+0x130/0x360 [ 5650.070551][ T1167] netlink_unicast+0x449/0x710 [ 5650.070551][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5650.070551][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5650.070551][ T1167] ___sys_sendmsg+0xee/0x170 [ 5650.070551][ T1167] __sys_sendmsg+0xcd/0x170 [ 5650.070551][ T1167] do_syscall_64+0xc6/0x1e0 [ 5650.070551][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5650.070551][ T1167] [ 5650.073055][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5650.073055][ T1167] netdev_get_by_index+0x5e/0x80 [ 5650.073055][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5650.073055][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5650.073055][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5650.073055][ T1167] ipv6_add_addr+0x411/0x2000 [ 5650.073055][ T1167] inet6_addr_add+0x30e/0xa40 [ 5650.073055][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5650.073055][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5650.073055][ T1167] netlink_rcv_skb+0x130/0x360 [ 5650.073055][ T1167] netlink_unicast+0x449/0x710 [ 5650.073055][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5650.073055][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5650.073055][ T1167] ___sys_sendmsg+0xee/0x170 [ 5650.073055][ T1167] __sys_sendmsg+0xcd/0x170 [ 5650.073055][ T1167] do_syscall_64+0xc6/0x1e0 [ 5650.073055][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5650.073055][ T1167] [ 5650.075555][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5650.075555][ T1167] netdev_get_by_index+0x5e/0x80 [ 5650.075555][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5650.075555][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5650.075555][ T1167] ip6_route_add+0x1c/0x140 [ 5650.075555][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5650.075555][ T1167] addrconf_add_dev+0xe2/0x170 [ 5650.075555][ T1167] inet6_addr_add+0x12f/0xa40 [ 5650.075555][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5650.075555][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5650.075555][ T1167] netlink_rcv_skb+0x130/0x360 [ 5650.075555][ T1167] netlink_unicast+0x449/0x710 [ 5650.075555][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5650.075555][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5650.075555][ T1167] ___sys_sendmsg+0xee/0x170 [ 5650.075555][ T1167] __sys_sendmsg+0xcd/0x170 [ 5650.075555][ T1167] do_syscall_64+0xc6/0x1e0 [ 5650.075555][ T1167] [ 5650.078016][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5650.078016][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5650.078016][ T1167] ipv6_find_idev+0x102/0x170 [ 5650.078016][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5650.078016][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5650.078016][ T1167] netlink_rcv_skb+0x130/0x360 [ 5650.078016][ T1167] netlink_unicast+0x449/0x710 [ 5650.078016][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5650.078016][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5650.078016][ T1167] ___sys_sendmsg+0xee/0x170 [ 5650.078016][ T1167] __sys_sendmsg+0xcd/0x170 [ 5650.078016][ T1167] do_syscall_64+0xc6/0x1e0 [ 5650.078016][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5650.078016][ T1167] [ 5650.079910][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5650.079910][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5650.079910][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5650.079910][ T1167] ipv6_find_idev+0x102/0x170 [ 5650.079910][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5650.079910][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5650.079910][ T1167] netlink_rcv_skb+0x130/0x360 [ 5650.079910][ T1167] netlink_unicast+0x449/0x710 [ 5650.079910][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5650.079910][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5650.079910][ T1167] ___sys_sendmsg+0xee/0x170 [ 5650.079910][ T1167] __sys_sendmsg+0xcd/0x170 [ 5650.079910][ T1167] do_syscall_64+0xc6/0x1e0 [ 5650.079910][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5650.079910][ T1167] [ 5658.849054][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5658.849527][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5658.849527][ T10] netdev_get_by_index+0x5e/0x80 [ 5658.849527][ T10] fib6_nh_init+0x3d8/0x1580 [ 5658.849527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5658.849527][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5658.849527][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5658.849527][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5658.849527][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5658.849527][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5658.849527][ T10] addrconf_dad_begin+0x310/0x670 [ 5658.849527][ T10] addrconf_dad_work+0x10b/0xab0 [ 5658.849527][ T10] process_one_work+0x84d/0x18a0 [ 5658.849527][ T10] worker_thread+0x587/0xd30 [ 5658.849527][ T10] kthread+0x28a/0x350 [ 5658.849527][ T10] ret_from_fork+0x31/0x70 [ 5658.849527][ T10] ret_from_fork_asm+0x1a/0x30 [ 5658.849527][ T10] [ 5658.851513][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5658.851513][ T10] netdev_get_by_index+0x5e/0x80 [ 5658.851513][ T10] fib6_nh_init+0x3d8/0x1580 [ 5658.851513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5658.851513][ T10] ip6_route_add+0x1c/0x140 [ 5658.851513][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5658.851513][ T10] inet6_addr_add+0x4f8/0xa40 [ 5658.851513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5658.851513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5658.851513][ T10] netlink_rcv_skb+0x130/0x360 [ 5658.851513][ T10] netlink_unicast+0x449/0x710 [ 5658.851513][ T10] netlink_sendmsg+0x723/0xbe0 [ 5658.851513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5658.851513][ T10] ___sys_sendmsg+0xee/0x170 [ 5658.851513][ T10] __sys_sendmsg+0xcd/0x170 [ 5658.851513][ T10] do_syscall_64+0xc6/0x1e0 [ 5658.851513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5658.851513][ T10] [ 5658.853532][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5658.853532][ T10] netdev_get_by_index+0x5e/0x80 [ 5658.853532][ T10] fib6_nh_init+0x3d8/0x1580 [ 5658.853532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5658.853532][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5658.853532][ T10] ipv6_add_addr+0x411/0x2000 [ 5658.853532][ T10] inet6_addr_add+0x30e/0xa40 [ 5658.853532][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5658.853532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5658.853532][ T10] netlink_rcv_skb+0x130/0x360 [ 5658.853532][ T10] netlink_unicast+0x449/0x710 [ 5658.853532][ T10] netlink_sendmsg+0x723/0xbe0 [ 5658.853532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5658.853532][ T10] ___sys_sendmsg+0xee/0x170 [ 5658.853532][ T10] __sys_sendmsg+0xcd/0x170 [ 5658.853532][ T10] do_syscall_64+0xc6/0x1e0 [ 5658.853532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5658.853532][ T10] [ 5658.855649][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5658.855649][ T10] netdev_get_by_index+0x5e/0x80 [ 5658.855649][ T10] fib6_nh_init+0x3d8/0x1580 [ 5658.855649][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5658.855649][ T10] ip6_route_add+0x1c/0x140 [ 5658.855649][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5658.855649][ T10] addrconf_add_dev+0xe2/0x170 [ 5658.855649][ T10] inet6_addr_add+0x12f/0xa40 [ 5658.855649][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5658.855649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5658.855649][ T10] netlink_rcv_skb+0x130/0x360 [ 5658.855649][ T10] netlink_unicast+0x449/0x710 [ 5658.855649][ T10] netlink_sendmsg+0x723/0xbe0 [ 5658.855649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5658.855649][ T10] ___sys_sendmsg+0xee/0x170 [ 5658.855649][ T10] __sys_sendmsg+0xcd/0x170 [ 5658.855649][ T10] do_syscall_64+0xc6/0x1e0 [ 5658.855649][ T10] [ 5658.857636][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5658.857636][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5658.857636][ T10] ipv6_find_idev+0x102/0x170 [ 5658.857636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5658.857636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5658.857636][ T10] netlink_rcv_skb+0x130/0x360 [ 5658.857636][ T10] netlink_unicast+0x449/0x710 [ 5658.857636][ T10] netlink_sendmsg+0x723/0xbe0 [ 5658.857636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5658.857636][ T10] ___sys_sendmsg+0xee/0x170 [ 5658.857636][ T10] __sys_sendmsg+0xcd/0x170 [ 5658.857636][ T10] do_syscall_64+0xc6/0x1e0 [ 5658.857636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5658.857636][ T10] [ 5658.859191][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5658.859191][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5658.859191][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5658.859191][ T10] ipv6_find_idev+0x102/0x170 [ 5658.859191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5658.859191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5658.859191][ T10] netlink_rcv_skb+0x130/0x360 [ 5658.859191][ T10] netlink_unicast+0x449/0x710 [ 5658.859191][ T10] netlink_sendmsg+0x723/0xbe0 [ 5658.859191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5658.859191][ T10] ___sys_sendmsg+0xee/0x170 [ 5658.859191][ T10] __sys_sendmsg+0xcd/0x170 [ 5658.859191][ T10] do_syscall_64+0xc6/0x1e0 [ 5658.859191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5658.859191][ T10] [ 5658.860907][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5658.861188][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5658.861188][ T10] netdev_get_by_index+0x5e/0x80 [ 5658.861188][ T10] fib6_nh_init+0x3d8/0x1580 [ 5658.861188][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5658.861188][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5658.861188][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5658.861188][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5658.861188][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5658.861188][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5658.861188][ T10] addrconf_dad_begin+0x310/0x670 [ 5658.861188][ T10] addrconf_dad_work+0x10b/0xab0 [ 5658.861188][ T10] process_one_work+0x84d/0x18a0 [ 5658.861188][ T10] worker_thread+0x587/0xd30 [ 5658.861188][ T10] kthread+0x28a/0x350 [ 5658.861188][ T10] ret_from_fork+0x31/0x70 [ 5658.861188][ T10] ret_from_fork_asm+0x1a/0x30 [ 5658.861188][ T10] [ 5658.863168][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5658.863168][ T10] netdev_get_by_index+0x5e/0x80 [ 5658.863168][ T10] fib6_nh_init+0x3d8/0x1580 [ 5658.863168][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5658.863168][ T10] ip6_route_add+0x1c/0x140 [ 5658.863168][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5658.863168][ T10] inet6_addr_add+0x4f8/0xa40 [ 5658.863168][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5658.863168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5658.863168][ T10] netlink_rcv_skb+0x130/0x360 [ 5658.863168][ T10] netlink_unicast+0x449/0x710 [ 5658.863168][ T10] netlink_sendmsg+0x723/0xbe0 [ 5658.863168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5658.863168][ T10] ___sys_sendmsg+0xee/0x170 [ 5658.863168][ T10] __sys_sendmsg+0xcd/0x170 [ 5658.863168][ T10] do_syscall_64+0xc6/0x1e0 [ 5658.863168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5658.863168][ T10] [ 5658.865208][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5658.865208][ T10] netdev_get_by_index+0x5e/0x80 [ 5658.865208][ T10] fib6_nh_init+0x3d8/0x1580 [ 5658.865208][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5658.865208][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5658.865208][ T10] ipv6_add_addr+0x411/0x2000 [ 5658.865208][ T10] inet6_addr_add+0x30e/0xa40 [ 5658.865208][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5658.865208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5658.865208][ T10] netlink_rcv_skb+0x130/0x360 [ 5658.865208][ T10] netlink_unicast+0x449/0x710 [ 5658.865208][ T10] netlink_sendmsg+0x723/0xbe0 [ 5658.865208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5658.865208][ T10] ___sys_sendmsg+0xee/0x170 [ 5658.865208][ T10] __sys_sendmsg+0xcd/0x170 [ 5658.865208][ T10] do_syscall_64+0xc6/0x1e0 [ 5658.865208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5658.865208][ T10] [ 5658.867228][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5658.867228][ T10] netdev_get_by_index+0x5e/0x80 [ 5658.867228][ T10] fib6_nh_init+0x3d8/0x1580 [ 5658.867228][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5658.867228][ T10] ip6_route_add+0x1c/0x140 [ 5658.867228][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5658.867228][ T10] addrconf_add_dev+0xe2/0x170 [ 5658.867228][ T10] inet6_addr_add+0x12f/0xa40 [ 5658.867228][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5658.867228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5658.867228][ T10] netlink_rcv_skb+0x130/0x360 [ 5658.867228][ T10] netlink_unicast+0x449/0x710 [ 5658.867228][ T10] netlink_sendmsg+0x723/0xbe0 [ 5658.867228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5658.867228][ T10] ___sys_sendmsg+0xee/0x170 [ 5658.867228][ T10] __sys_sendmsg+0xcd/0x170 [ 5658.867228][ T10] do_syscall_64+0xc6/0x1e0 [ 5658.867228][ T10] [ 5658.869213][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5658.869213][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5658.869213][ T10] ipv6_find_idev+0x102/0x170 [ 5658.869213][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5658.869213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5658.869213][ T10] netlink_rcv_skb+0x130/0x360 [ 5658.869213][ T10] netlink_unicast+0x449/0x710 [ 5658.869213][ T10] netlink_sendmsg+0x723/0xbe0 [ 5658.869213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5658.869213][ T10] ___sys_sendmsg+0xee/0x170 [ 5658.869213][ T10] __sys_sendmsg+0xcd/0x170 [ 5658.869213][ T10] do_syscall_64+0xc6/0x1e0 [ 5658.869213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5658.869213][ T10] [ 5658.870774][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5658.870774][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5658.870774][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5658.870774][ T10] ipv6_find_idev+0x102/0x170 [ 5658.870774][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5658.870774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5658.870774][ T10] netlink_rcv_skb+0x130/0x360 [ 5658.870774][ T10] netlink_unicast+0x449/0x710 [ 5658.870774][ T10] netlink_sendmsg+0x723/0xbe0 [ 5658.870774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5658.870774][ T10] ___sys_sendmsg+0xee/0x170 [ 5658.870774][ T10] __sys_sendmsg+0xcd/0x170 [ 5658.870774][ T10] do_syscall_64+0xc6/0x1e0 [ 5658.870774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5658.870774][ T10] [ 5658.872498][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5658.872747][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5658.872747][ T10] netdev_get_by_index+0x5e/0x80 [ 5658.872747][ T10] fib6_nh_init+0x3d8/0x1580 [ 5658.872747][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5658.872747][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5658.872747][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5658.872747][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5658.872747][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5658.872747][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5658.872747][ T10] addrconf_dad_begin+0x310/0x670 [ 5658.872747][ T10] addrconf_dad_work+0x10b/0xab0 [ 5658.872747][ T10] process_one_work+0x84d/0x18a0 [ 5658.872747][ T10] worker_thread+0x587/0xd30 [ 5658.872747][ T10] kthread+0x28a/0x350 [ 5658.872747][ T10] ret_from_fork+0x31/0x70 [ 5658.872747][ T10] ret_from_fork_asm+0x1a/0x30 [ 5658.872747][ T10] [ 5658.874670][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5658.874670][ T10] netdev_get_by_index+0x5e/0x80 [ 5658.874670][ T10] fib6_nh_init+0x3d8/0x1580 [ 5658.874670][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5658.874670][ T10] ip6_route_add+0x1c/0x140 [ 5658.874670][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5658.874670][ T10] inet6_addr_add+0x4f8/0xa40 [ 5658.874670][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5658.874670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5658.874670][ T10] netlink_rcv_skb+0x130/0x360 [ 5658.874670][ T10] netlink_unicast+0x449/0x710 [ 5658.874670][ T10] netlink_sendmsg+0x723/0xbe0 [ 5658.874670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5658.874670][ T10] ___sys_sendmsg+0xee/0x170 [ 5658.874670][ T10] __sys_sendmsg+0xcd/0x170 [ 5658.874670][ T10] do_syscall_64+0xc6/0x1e0 [ 5658.874670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5658.874670][ T10] [ 5658.876821][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5658.876821][ T10] netdev_get_by_index+0x5e/0x80 [ 5658.876821][ T10] fib6_nh_init+0x3d8/0x1580 [ 5658.876821][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5658.876821][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5658.876821][ T10] ipv6_add_addr+0x411/0x2000 [ 5658.876821][ T10] inet6_addr_add+0x30e/0xa40 [ 5658.876821][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5658.876821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5658.876821][ T10] netlink_rcv_skb+0x130/0x360 [ 5658.876821][ T10] netlink_unicast+0x449/0x710 [ 5658.876821][ T10] netlink_sendmsg+0x723/0xbe0 [ 5658.876821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5658.876821][ T10] ___sys_sendmsg+0xee/0x170 [ 5658.876821][ T10] __sys_sendmsg+0xcd/0x170 [ 5658.876821][ T10] do_syscall_64+0xc6/0x1e0 [ 5658.876821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5658.876821][ T10] [ 5658.878952][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5658.878952][ T10] netdev_get_by_index+0x5e/0x80 [ 5658.878952][ T10] fib6_nh_init+0x3d8/0x1580 [ 5658.878952][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5658.878952][ T10] ip6_route_add+0x1c/0x140 [ 5658.878952][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5658.878952][ T10] addrconf_add_dev+0xe2/0x170 [ 5658.878952][ T10] inet6_addr_add+0x12f/0xa40 [ 5658.878952][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5658.878952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5658.878952][ T10] netlink_rcv_skb+0x130/0x360 [ 5658.878952][ T10] netlink_unicast+0x449/0x710 [ 5658.878952][ T10] netlink_sendmsg+0x723/0xbe0 [ 5658.878952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5658.878952][ T10] ___sys_sendmsg+0xee/0x170 [ 5658.878952][ T10] __sys_sendmsg+0xcd/0x170 [ 5658.878952][ T10] do_syscall_64+0xc6/0x1e0 [ 5658.878952][ T10] [ 5658.881591][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5658.881591][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5658.881591][ T10] ipv6_find_idev+0x102/0x170 [ 5658.881591][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5658.881591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5658.881591][ T10] netlink_rcv_skb+0x130/0x360 [ 5658.881591][ T10] netlink_unicast+0x449/0x710 [ 5658.881591][ T10] netlink_sendmsg+0x723/0xbe0 [ 5658.881591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5658.881591][ T10] ___sys_sendmsg+0xee/0x170 [ 5658.881591][ T10] __sys_sendmsg+0xcd/0x170 [ 5658.881591][ T10] do_syscall_64+0xc6/0x1e0 [ 5658.881591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5658.881591][ T10] [ 5658.883284][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5658.883284][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5658.883284][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5658.883284][ T10] ipv6_find_idev+0x102/0x170 [ 5658.883284][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5658.883284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5658.883284][ T10] netlink_rcv_skb+0x130/0x360 [ 5658.883284][ T10] netlink_unicast+0x449/0x710 [ 5658.883284][ T10] netlink_sendmsg+0x723/0xbe0 [ 5658.883284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5658.883284][ T10] ___sys_sendmsg+0xee/0x170 [ 5658.883284][ T10] __sys_sendmsg+0xcd/0x170 [ 5658.883284][ T10] do_syscall_64+0xc6/0x1e0 [ 5658.883284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5658.883284][ T10] [ 5658.885053][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5658.885288][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5658.885288][ T10] netdev_get_by_index+0x5e/0x80 [ 5658.885288][ T10] fib6_nh_init+0x3d8/0x1580 [ 5658.885288][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5658.885288][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5658.885288][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5658.885288][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5658.885288][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5658.885288][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5658.885288][ T10] addrconf_dad_begin+0x310/0x670 [ 5658.885288][ T10] addrconf_dad_work+0x10b/0xab0 [ 5658.885288][ T10] process_one_work+0x84d/0x18a0 [ 5658.885288][ T10] worker_thread+0x587/0xd30 [ 5658.885288][ T10] kthread+0x28a/0x350 [ 5658.885288][ T10] ret_from_fork+0x31/0x70 [ 5658.885288][ T10] ret_from_fork_asm+0x1a/0x30 [ 5658.885288][ T10] [ 5658.887362][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5658.887362][ T10] netdev_get_by_index+0x5e/0x80 [ 5658.887362][ T10] fib6_nh_init+0x3d8/0x1580 [ 5658.887362][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5658.887362][ T10] ip6_route_add+0x1c/0x140 [ 5658.887362][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5658.887362][ T10] inet6_addr_add+0x4f8/0xa40 [ 5658.887362][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5658.887362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5658.887362][ T10] netlink_rcv_skb+0x130/0x360 [ 5658.887362][ T10] netlink_unicast+0x449/0x710 [ 5658.887362][ T10] netlink_sendmsg+0x723/0xbe0 [ 5658.887362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5658.887362][ T10] ___sys_sendmsg+0xee/0x170 [ 5658.887362][ T10] __sys_sendmsg+0xcd/0x170 [ 5658.887362][ T10] do_syscall_64+0xc6/0x1e0 [ 5658.887362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5658.887362][ T10] [ 5658.891703][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5658.891703][ T10] netdev_get_by_index+0x5e/0x80 [ 5658.891703][ T10] fib6_nh_init+0x3d8/0x1580 [ 5658.891703][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5658.891703][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5658.891703][ T10] ipv6_add_addr+0x411/0x2000 [ 5658.891703][ T10] inet6_addr_add+0x30e/0xa40 [ 5658.891703][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5658.891703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5658.891703][ T10] netlink_rcv_skb+0x130/0x360 [ 5658.891703][ T10] netlink_unicast+0x449/0x710 [ 5658.891703][ T10] netlink_sendmsg+0x723/0xbe0 [ 5658.891703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5658.891703][ T10] ___sys_sendmsg+0xee/0x170 [ 5658.891703][ T10] __sys_sendmsg+0xcd/0x170 [ 5658.891703][ T10] do_syscall_64+0xc6/0x1e0 [ 5658.891703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5658.891703][ T10] [ 5658.893846][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5658.893846][ T10] netdev_get_by_index+0x5e/0x80 [ 5658.893846][ T10] fib6_nh_init+0x3d8/0x1580 [ 5658.893846][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5658.893846][ T10] ip6_route_add+0x1c/0x140 [ 5658.893846][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5658.893846][ T10] addrconf_add_dev+0xe2/0x170 [ 5658.893846][ T10] inet6_addr_add+0x12f/0xa40 [ 5658.893846][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5658.893846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5658.893846][ T10] netlink_rcv_skb+0x130/0x360 [ 5658.893846][ T10] netlink_unicast+0x449/0x710 [ 5658.893846][ T10] netlink_sendmsg+0x723/0xbe0 [ 5658.893846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5658.893846][ T10] ___sys_sendmsg+0xee/0x170 [ 5658.893846][ T10] __sys_sendmsg+0xcd/0x170 [ 5658.893846][ T10] do_syscall_64+0xc6/0x1e0 [ 5658.893846][ T10] [ 5658.895961][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5658.895961][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5658.895961][ T10] ipv6_find_idev+0x102/0x170 [ 5658.895961][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5658.895961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5658.895961][ T10] netlink_rcv_skb+0x130/0x360 [ 5658.895961][ T10] netlink_unicast+0x449/0x710 [ 5658.895961][ T10] netlink_sendmsg+0x723/0xbe0 [ 5658.895961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5658.895961][ T10] ___sys_sendmsg+0xee/0x170 [ 5658.895961][ T10] __sys_sendmsg+0xcd/0x170 [ 5658.895961][ T10] do_syscall_64+0xc6/0x1e0 [ 5658.895961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5658.895961][ T10] [ 5658.897579][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5658.897579][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5658.897579][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5658.897579][ T10] ipv6_find_idev+0x102/0x170 [ 5658.897579][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5658.897579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5658.897579][ T10] netlink_rcv_skb+0x130/0x360 [ 5658.897579][ T10] netlink_unicast+0x449/0x710 [ 5658.897579][ T10] netlink_sendmsg+0x723/0xbe0 [ 5658.897579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5658.897579][ T10] ___sys_sendmsg+0xee/0x170 [ 5658.897579][ T10] __sys_sendmsg+0xcd/0x170 [ 5658.897579][ T10] do_syscall_64+0xc6/0x1e0 [ 5658.897579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5658.897579][ T10] [ 5660.321123][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5660.321658][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5660.321658][ T1167] dst_init+0x84/0x4a0 [ 5660.321658][ T1167] dst_alloc+0x97/0x150 [ 5660.321658][ T1167] ip6_dst_alloc+0x23/0x90 [ 5660.321658][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5660.321658][ T1167] ip6_pol_route+0x56f/0x840 [ 5660.321658][ T1167] fib6_rule_lookup+0x334/0x630 [ 5660.321658][ T1167] ip6_route_output_flags+0x259/0x480 [ 5660.321658][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5660.321658][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5660.321658][ T1167] netlink_rcv_skb+0x130/0x360 [ 5660.321658][ T1167] netlink_unicast+0x449/0x710 [ 5660.321658][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5660.321658][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5660.321658][ T1167] ___sys_sendmsg+0xee/0x170 [ 5660.321658][ T1167] __sys_sendmsg+0xcd/0x170 [ 5660.321658][ T1167] do_syscall_64+0xc6/0x1e0 [ 5660.321658][ T1167] [ 5660.324142][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5660.324142][ T1167] netdev_get_by_index+0x5e/0x80 [ 5660.324142][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5660.324142][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5660.324142][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5660.324142][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5660.324142][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5660.324142][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5660.324142][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5660.324142][ T1167] addrconf_dad_begin+0x310/0x670 [ 5660.324142][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5660.324142][ T1167] process_one_work+0x84d/0x18a0 [ 5660.324142][ T1167] worker_thread+0x587/0xd30 [ 5660.324142][ T1167] kthread+0x28a/0x350 [ 5660.324142][ T1167] ret_from_fork+0x31/0x70 [ 5660.324142][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5660.324142][ T1167] [ 5660.326537][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5660.326537][ T1167] netdev_get_by_index+0x5e/0x80 [ 5660.326537][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5660.326537][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5660.326537][ T1167] ip6_route_add+0x1c/0x140 [ 5660.326537][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5660.326537][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5660.326537][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5660.326537][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5660.326537][ T1167] netlink_rcv_skb+0x130/0x360 [ 5660.326537][ T1167] netlink_unicast+0x449/0x710 [ 5660.326537][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5660.326537][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5660.326537][ T1167] ___sys_sendmsg+0xee/0x170 [ 5660.326537][ T1167] __sys_sendmsg+0xcd/0x170 [ 5660.326537][ T1167] do_syscall_64+0xc6/0x1e0 [ 5660.326537][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5660.326537][ T1167] [ 5660.329044][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5660.329044][ T1167] netdev_get_by_index+0x5e/0x80 [ 5660.329044][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5660.329044][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5660.329044][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5660.329044][ T1167] ipv6_add_addr+0x411/0x2000 [ 5660.329044][ T1167] inet6_addr_add+0x30e/0xa40 [ 5660.329044][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5660.329044][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5660.329044][ T1167] netlink_rcv_skb+0x130/0x360 [ 5660.329044][ T1167] netlink_unicast+0x449/0x710 [ 5660.329044][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5660.329044][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5660.329044][ T1167] ___sys_sendmsg+0xee/0x170 [ 5660.329044][ T1167] __sys_sendmsg+0xcd/0x170 [ 5660.329044][ T1167] do_syscall_64+0xc6/0x1e0 [ 5660.329044][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5660.329044][ T1167] [ 5660.331527][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5660.331527][ T1167] netdev_get_by_index+0x5e/0x80 [ 5660.331527][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5660.331527][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5660.331527][ T1167] ip6_route_add+0x1c/0x140 [ 5660.331527][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5660.331527][ T1167] addrconf_add_dev+0xe2/0x170 [ 5660.331527][ T1167] inet6_addr_add+0x12f/0xa40 [ 5660.331527][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5660.331527][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5660.331527][ T1167] netlink_rcv_skb+0x130/0x360 [ 5660.331527][ T1167] netlink_unicast+0x449/0x710 [ 5660.331527][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5660.331527][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5660.331527][ T1167] ___sys_sendmsg+0xee/0x170 [ 5660.331527][ T1167] __sys_sendmsg+0xcd/0x170 [ 5660.331527][ T1167] do_syscall_64+0xc6/0x1e0 [ 5660.331527][ T1167] [ 5660.333985][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5660.333985][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5660.333985][ T1167] ipv6_find_idev+0x102/0x170 [ 5660.333985][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5660.333985][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5660.333985][ T1167] netlink_rcv_skb+0x130/0x360 [ 5660.333985][ T1167] netlink_unicast+0x449/0x710 [ 5660.333985][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5660.333985][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5660.333985][ T1167] ___sys_sendmsg+0xee/0x170 [ 5660.333985][ T1167] __sys_sendmsg+0xcd/0x170 [ 5660.333985][ T1167] do_syscall_64+0xc6/0x1e0 [ 5660.333985][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5660.333985][ T1167] [ 5660.335904][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5660.335904][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5660.335904][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5660.335904][ T1167] ipv6_find_idev+0x102/0x170 [ 5660.335904][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5660.335904][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5660.335904][ T1167] netlink_rcv_skb+0x130/0x360 [ 5660.335904][ T1167] netlink_unicast+0x449/0x710 [ 5660.335904][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5660.335904][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5660.335904][ T1167] ___sys_sendmsg+0xee/0x170 [ 5660.335904][ T1167] __sys_sendmsg+0xcd/0x170 [ 5660.335904][ T1167] do_syscall_64+0xc6/0x1e0 [ 5660.335904][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5660.335904][ T1167] [ 5669.137150][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5669.137567][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5669.137567][ T10] netdev_get_by_index+0x5e/0x80 [ 5669.137567][ T10] fib6_nh_init+0x3d8/0x1580 [ 5669.137567][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5669.137567][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5669.137567][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5669.137567][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5669.137567][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5669.137567][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5669.137567][ T10] addrconf_dad_begin+0x310/0x670 [ 5669.137567][ T10] addrconf_dad_work+0x10b/0xab0 [ 5669.137567][ T10] process_one_work+0x84d/0x18a0 [ 5669.137567][ T10] worker_thread+0x587/0xd30 [ 5669.137567][ T10] kthread+0x28a/0x350 [ 5669.137567][ T10] ret_from_fork+0x31/0x70 [ 5669.137567][ T10] ret_from_fork_asm+0x1a/0x30 [ 5669.137567][ T10] [ 5669.139542][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5669.139542][ T10] netdev_get_by_index+0x5e/0x80 [ 5669.139542][ T10] fib6_nh_init+0x3d8/0x1580 [ 5669.139542][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5669.139542][ T10] ip6_route_add+0x1c/0x140 [ 5669.139542][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5669.139542][ T10] inet6_addr_add+0x4f8/0xa40 [ 5669.139542][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5669.139542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.139542][ T10] netlink_rcv_skb+0x130/0x360 [ 5669.139542][ T10] netlink_unicast+0x449/0x710 [ 5669.139542][ T10] netlink_sendmsg+0x723/0xbe0 [ 5669.139542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5669.139542][ T10] ___sys_sendmsg+0xee/0x170 [ 5669.139542][ T10] __sys_sendmsg+0xcd/0x170 [ 5669.139542][ T10] do_syscall_64+0xc6/0x1e0 [ 5669.139542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.139542][ T10] [ 5669.141561][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5669.141561][ T10] netdev_get_by_index+0x5e/0x80 [ 5669.141561][ T10] fib6_nh_init+0x3d8/0x1580 [ 5669.141561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5669.141561][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5669.141561][ T10] ipv6_add_addr+0x411/0x2000 [ 5669.141561][ T10] inet6_addr_add+0x30e/0xa40 [ 5669.141561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5669.141561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.141561][ T10] netlink_rcv_skb+0x130/0x360 [ 5669.141561][ T10] netlink_unicast+0x449/0x710 [ 5669.141561][ T10] netlink_sendmsg+0x723/0xbe0 [ 5669.141561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5669.141561][ T10] ___sys_sendmsg+0xee/0x170 [ 5669.141561][ T10] __sys_sendmsg+0xcd/0x170 [ 5669.141561][ T10] do_syscall_64+0xc6/0x1e0 [ 5669.141561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.141561][ T10] [ 5669.143566][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5669.143566][ T10] netdev_get_by_index+0x5e/0x80 [ 5669.143566][ T10] fib6_nh_init+0x3d8/0x1580 [ 5669.143566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5669.143566][ T10] ip6_route_add+0x1c/0x140 [ 5669.143566][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5669.143566][ T10] addrconf_add_dev+0xe2/0x170 [ 5669.143566][ T10] inet6_addr_add+0x12f/0xa40 [ 5669.143566][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5669.143566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.143566][ T10] netlink_rcv_skb+0x130/0x360 [ 5669.143566][ T10] netlink_unicast+0x449/0x710 [ 5669.143566][ T10] netlink_sendmsg+0x723/0xbe0 [ 5669.143566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5669.143566][ T10] ___sys_sendmsg+0xee/0x170 [ 5669.143566][ T10] __sys_sendmsg+0xcd/0x170 [ 5669.143566][ T10] do_syscall_64+0xc6/0x1e0 [ 5669.143566][ T10] [ 5669.145545][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5669.145545][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5669.145545][ T10] ipv6_find_idev+0x102/0x170 [ 5669.145545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5669.145545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.145545][ T10] netlink_rcv_skb+0x130/0x360 [ 5669.145545][ T10] netlink_unicast+0x449/0x710 [ 5669.145545][ T10] netlink_sendmsg+0x723/0xbe0 [ 5669.145545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5669.145545][ T10] ___sys_sendmsg+0xee/0x170 [ 5669.145545][ T10] __sys_sendmsg+0xcd/0x170 [ 5669.145545][ T10] do_syscall_64+0xc6/0x1e0 [ 5669.145545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.145545][ T10] [ 5669.147090][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5669.147090][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5669.147090][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5669.147090][ T10] ipv6_find_idev+0x102/0x170 [ 5669.147090][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5669.147090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.147090][ T10] netlink_rcv_skb+0x130/0x360 [ 5669.147090][ T10] netlink_unicast+0x449/0x710 [ 5669.147090][ T10] netlink_sendmsg+0x723/0xbe0 [ 5669.147090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5669.147090][ T10] ___sys_sendmsg+0xee/0x170 [ 5669.147090][ T10] __sys_sendmsg+0xcd/0x170 [ 5669.147090][ T10] do_syscall_64+0xc6/0x1e0 [ 5669.147090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.147090][ T10] [ 5669.148778][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5669.149018][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5669.149018][ T10] netdev_get_by_index+0x5e/0x80 [ 5669.149018][ T10] fib6_nh_init+0x3d8/0x1580 [ 5669.149018][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5669.149018][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5669.149018][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5669.149018][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5669.149018][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5669.149018][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5669.149018][ T10] addrconf_dad_begin+0x310/0x670 [ 5669.149018][ T10] addrconf_dad_work+0x10b/0xab0 [ 5669.149018][ T10] process_one_work+0x84d/0x18a0 [ 5669.149018][ T10] worker_thread+0x587/0xd30 [ 5669.149018][ T10] kthread+0x28a/0x350 [ 5669.149018][ T10] ret_from_fork+0x31/0x70 [ 5669.149018][ T10] ret_from_fork_asm+0x1a/0x30 [ 5669.149018][ T10] [ 5669.150944][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5669.150944][ T10] netdev_get_by_index+0x5e/0x80 [ 5669.150944][ T10] fib6_nh_init+0x3d8/0x1580 [ 5669.150944][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5669.150944][ T10] ip6_route_add+0x1c/0x140 [ 5669.150944][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5669.150944][ T10] inet6_addr_add+0x4f8/0xa40 [ 5669.150944][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5669.150944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.150944][ T10] netlink_rcv_skb+0x130/0x360 [ 5669.150944][ T10] netlink_unicast+0x449/0x710 [ 5669.150944][ T10] netlink_sendmsg+0x723/0xbe0 [ 5669.150944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5669.150944][ T10] ___sys_sendmsg+0xee/0x170 [ 5669.150944][ T10] __sys_sendmsg+0xcd/0x170 [ 5669.150944][ T10] do_syscall_64+0xc6/0x1e0 [ 5669.150944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.150944][ T10] [ 5669.152953][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5669.152953][ T10] netdev_get_by_index+0x5e/0x80 [ 5669.152953][ T10] fib6_nh_init+0x3d8/0x1580 [ 5669.152953][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5669.152953][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5669.152953][ T10] ipv6_add_addr+0x411/0x2000 [ 5669.152953][ T10] inet6_addr_add+0x30e/0xa40 [ 5669.152953][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5669.152953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.152953][ T10] netlink_rcv_skb+0x130/0x360 [ 5669.152953][ T10] netlink_unicast+0x449/0x710 [ 5669.152953][ T10] netlink_sendmsg+0x723/0xbe0 [ 5669.152953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5669.152953][ T10] ___sys_sendmsg+0xee/0x170 [ 5669.152953][ T10] __sys_sendmsg+0xcd/0x170 [ 5669.152953][ T10] do_syscall_64+0xc6/0x1e0 [ 5669.152953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.152953][ T10] [ 5669.154955][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5669.154955][ T10] netdev_get_by_index+0x5e/0x80 [ 5669.154955][ T10] fib6_nh_init+0x3d8/0x1580 [ 5669.154955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5669.154955][ T10] ip6_route_add+0x1c/0x140 [ 5669.154955][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5669.154955][ T10] addrconf_add_dev+0xe2/0x170 [ 5669.154955][ T10] inet6_addr_add+0x12f/0xa40 [ 5669.154955][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5669.154955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.154955][ T10] netlink_rcv_skb+0x130/0x360 [ 5669.154955][ T10] netlink_unicast+0x449/0x710 [ 5669.154955][ T10] netlink_sendmsg+0x723/0xbe0 [ 5669.154955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5669.154955][ T10] ___sys_sendmsg+0xee/0x170 [ 5669.154955][ T10] __sys_sendmsg+0xcd/0x170 [ 5669.154955][ T10] do_syscall_64+0xc6/0x1e0 [ 5669.154955][ T10] [ 5669.156917][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5669.156917][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5669.156917][ T10] ipv6_find_idev+0x102/0x170 [ 5669.156917][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5669.156917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.156917][ T10] netlink_rcv_skb+0x130/0x360 [ 5669.156917][ T10] netlink_unicast+0x449/0x710 [ 5669.156917][ T10] netlink_sendmsg+0x723/0xbe0 [ 5669.156917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5669.156917][ T10] ___sys_sendmsg+0xee/0x170 [ 5669.156917][ T10] __sys_sendmsg+0xcd/0x170 [ 5669.156917][ T10] do_syscall_64+0xc6/0x1e0 [ 5669.156917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.156917][ T10] [ 5669.158469][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5669.158469][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5669.158469][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5669.158469][ T10] ipv6_find_idev+0x102/0x170 [ 5669.158469][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5669.158469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.158469][ T10] netlink_rcv_skb+0x130/0x360 [ 5669.158469][ T10] netlink_unicast+0x449/0x710 [ 5669.158469][ T10] netlink_sendmsg+0x723/0xbe0 [ 5669.158469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5669.158469][ T10] ___sys_sendmsg+0xee/0x170 [ 5669.158469][ T10] __sys_sendmsg+0xcd/0x170 [ 5669.158469][ T10] do_syscall_64+0xc6/0x1e0 [ 5669.158469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.158469][ T10] [ 5669.160162][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5669.160409][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5669.160409][ T10] netdev_get_by_index+0x5e/0x80 [ 5669.160409][ T10] fib6_nh_init+0x3d8/0x1580 [ 5669.160409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5669.160409][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5669.160409][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5669.160409][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5669.160409][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5669.160409][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5669.160409][ T10] addrconf_dad_begin+0x310/0x670 [ 5669.160409][ T10] addrconf_dad_work+0x10b/0xab0 [ 5669.160409][ T10] process_one_work+0x84d/0x18a0 [ 5669.160409][ T10] worker_thread+0x587/0xd30 [ 5669.160409][ T10] kthread+0x28a/0x350 [ 5669.160409][ T10] ret_from_fork+0x31/0x70 [ 5669.160409][ T10] ret_from_fork_asm+0x1a/0x30 [ 5669.160409][ T10] [ 5669.162338][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5669.162338][ T10] netdev_get_by_index+0x5e/0x80 [ 5669.162338][ T10] fib6_nh_init+0x3d8/0x1580 [ 5669.162338][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5669.162338][ T10] ip6_route_add+0x1c/0x140 [ 5669.162338][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5669.162338][ T10] inet6_addr_add+0x4f8/0xa40 [ 5669.162338][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5669.162338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.162338][ T10] netlink_rcv_skb+0x130/0x360 [ 5669.162338][ T10] netlink_unicast+0x449/0x710 [ 5669.162338][ T10] netlink_sendmsg+0x723/0xbe0 [ 5669.162338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5669.162338][ T10] ___sys_sendmsg+0xee/0x170 [ 5669.162338][ T10] __sys_sendmsg+0xcd/0x170 [ 5669.162338][ T10] do_syscall_64+0xc6/0x1e0 [ 5669.162338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.162338][ T10] [ 5669.164643][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5669.164643][ T10] netdev_get_by_index+0x5e/0x80 [ 5669.164643][ T10] fib6_nh_init+0x3d8/0x1580 [ 5669.164643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5669.164643][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5669.164643][ T10] ipv6_add_addr+0x411/0x2000 [ 5669.164643][ T10] inet6_addr_add+0x30e/0xa40 [ 5669.164643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5669.164643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.164643][ T10] netlink_rcv_skb+0x130/0x360 [ 5669.164643][ T10] netlink_unicast+0x449/0x710 [ 5669.164643][ T10] netlink_sendmsg+0x723/0xbe0 [ 5669.164643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5669.164643][ T10] ___sys_sendmsg+0xee/0x170 [ 5669.164643][ T10] __sys_sendmsg+0xcd/0x170 [ 5669.164643][ T10] do_syscall_64+0xc6/0x1e0 [ 5669.164643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.164643][ T10] [ 5669.166925][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5669.166925][ T10] netdev_get_by_index+0x5e/0x80 [ 5669.166925][ T10] fib6_nh_init+0x3d8/0x1580 [ 5669.166925][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5669.166925][ T10] ip6_route_add+0x1c/0x140 [ 5669.166925][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5669.166925][ T10] addrconf_add_dev+0xe2/0x170 [ 5669.166925][ T10] inet6_addr_add+0x12f/0xa40 [ 5669.166925][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5669.166925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.166925][ T10] netlink_rcv_skb+0x130/0x360 [ 5669.166925][ T10] netlink_unicast+0x449/0x710 [ 5669.166925][ T10] netlink_sendmsg+0x723/0xbe0 [ 5669.166925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5669.166925][ T10] ___sys_sendmsg+0xee/0x170 [ 5669.166925][ T10] __sys_sendmsg+0xcd/0x170 [ 5669.166925][ T10] do_syscall_64+0xc6/0x1e0 [ 5669.166925][ T10] [ 5669.169147][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5669.169147][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5669.169147][ T10] ipv6_find_idev+0x102/0x170 [ 5669.169147][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5669.169147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.169147][ T10] netlink_rcv_skb+0x130/0x360 [ 5669.169147][ T10] netlink_unicast+0x449/0x710 [ 5669.169147][ T10] netlink_sendmsg+0x723/0xbe0 [ 5669.169147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5669.169147][ T10] ___sys_sendmsg+0xee/0x170 [ 5669.169147][ T10] __sys_sendmsg+0xcd/0x170 [ 5669.169147][ T10] do_syscall_64+0xc6/0x1e0 [ 5669.169147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.169147][ T10] [ 5669.170887][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5669.170887][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5669.170887][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5669.170887][ T10] ipv6_find_idev+0x102/0x170 [ 5669.170887][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5669.170887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.170887][ T10] netlink_rcv_skb+0x130/0x360 [ 5669.170887][ T10] netlink_unicast+0x449/0x710 [ 5669.170887][ T10] netlink_sendmsg+0x723/0xbe0 [ 5669.170887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5669.170887][ T10] ___sys_sendmsg+0xee/0x170 [ 5669.170887][ T10] __sys_sendmsg+0xcd/0x170 [ 5669.170887][ T10] do_syscall_64+0xc6/0x1e0 [ 5669.170887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.170887][ T10] [ 5669.172845][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5669.173535][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5669.173535][ T10] netdev_get_by_index+0x5e/0x80 [ 5669.173535][ T10] fib6_nh_init+0x3d8/0x1580 [ 5669.173535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5669.173535][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5669.173535][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5669.173535][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5669.173535][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5669.173535][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5669.173535][ T10] addrconf_dad_begin+0x310/0x670 [ 5669.173535][ T10] addrconf_dad_work+0x10b/0xab0 [ 5669.173535][ T10] process_one_work+0x84d/0x18a0 [ 5669.173535][ T10] worker_thread+0x587/0xd30 [ 5669.173535][ T10] kthread+0x28a/0x350 [ 5669.173535][ T10] ret_from_fork+0x31/0x70 [ 5669.173535][ T10] ret_from_fork_asm+0x1a/0x30 [ 5669.173535][ T10] [ 5669.175487][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5669.175487][ T10] netdev_get_by_index+0x5e/0x80 [ 5669.175487][ T10] fib6_nh_init+0x3d8/0x1580 [ 5669.175487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5669.175487][ T10] ip6_route_add+0x1c/0x140 [ 5669.175487][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5669.175487][ T10] inet6_addr_add+0x4f8/0xa40 [ 5669.175487][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5669.175487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.175487][ T10] netlink_rcv_skb+0x130/0x360 [ 5669.175487][ T10] netlink_unicast+0x449/0x710 [ 5669.175487][ T10] netlink_sendmsg+0x723/0xbe0 [ 5669.175487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5669.175487][ T10] ___sys_sendmsg+0xee/0x170 [ 5669.175487][ T10] __sys_sendmsg+0xcd/0x170 [ 5669.175487][ T10] do_syscall_64+0xc6/0x1e0 [ 5669.175487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.175487][ T10] [ 5669.177624][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5669.177624][ T10] netdev_get_by_index+0x5e/0x80 [ 5669.177624][ T10] fib6_nh_init+0x3d8/0x1580 [ 5669.177624][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5669.177624][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5669.177624][ T10] ipv6_add_addr+0x411/0x2000 [ 5669.177624][ T10] inet6_addr_add+0x30e/0xa40 [ 5669.177624][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5669.177624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.177624][ T10] netlink_rcv_skb+0x130/0x360 [ 5669.177624][ T10] netlink_unicast+0x449/0x710 [ 5669.177624][ T10] netlink_sendmsg+0x723/0xbe0 [ 5669.177624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5669.177624][ T10] ___sys_sendmsg+0xee/0x170 [ 5669.177624][ T10] __sys_sendmsg+0xcd/0x170 [ 5669.177624][ T10] do_syscall_64+0xc6/0x1e0 [ 5669.177624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.177624][ T10] [ 5669.179872][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5669.179872][ T10] netdev_get_by_index+0x5e/0x80 [ 5669.179872][ T10] fib6_nh_init+0x3d8/0x1580 [ 5669.179872][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5669.179872][ T10] ip6_route_add+0x1c/0x140 [ 5669.179872][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5669.179872][ T10] addrconf_add_dev+0xe2/0x170 [ 5669.179872][ T10] inet6_addr_add+0x12f/0xa40 [ 5669.179872][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5669.179872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.179872][ T10] netlink_rcv_skb+0x130/0x360 [ 5669.179872][ T10] netlink_unicast+0x449/0x710 [ 5669.179872][ T10] netlink_sendmsg+0x723/0xbe0 [ 5669.179872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5669.179872][ T10] ___sys_sendmsg+0xee/0x170 [ 5669.179872][ T10] __sys_sendmsg+0xcd/0x170 [ 5669.179872][ T10] do_syscall_64+0xc6/0x1e0 [ 5669.179872][ T10] [ 5669.182041][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5669.182041][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5669.182041][ T10] ipv6_find_idev+0x102/0x170 [ 5669.182041][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5669.182041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.182041][ T10] netlink_rcv_skb+0x130/0x360 [ 5669.182041][ T10] netlink_unicast+0x449/0x710 [ 5669.182041][ T10] netlink_sendmsg+0x723/0xbe0 [ 5669.182041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5669.182041][ T10] ___sys_sendmsg+0xee/0x170 [ 5669.182041][ T10] __sys_sendmsg+0xcd/0x170 [ 5669.182041][ T10] do_syscall_64+0xc6/0x1e0 [ 5669.182041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.182041][ T10] [ 5669.183761][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5669.183761][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5669.183761][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5669.183761][ T10] ipv6_find_idev+0x102/0x170 [ 5669.183761][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5669.183761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5669.183761][ T10] netlink_rcv_skb+0x130/0x360 [ 5669.183761][ T10] netlink_unicast+0x449/0x710 [ 5669.183761][ T10] netlink_sendmsg+0x723/0xbe0 [ 5669.183761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5669.183761][ T10] ___sys_sendmsg+0xee/0x170 [ 5669.183761][ T10] __sys_sendmsg+0xcd/0x170 [ 5669.183761][ T10] do_syscall_64+0xc6/0x1e0 [ 5669.183761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5669.183761][ T10] [ 5670.577127][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5670.577618][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5670.577618][ T1167] dst_init+0x84/0x4a0 [ 5670.577618][ T1167] dst_alloc+0x97/0x150 [ 5670.577618][ T1167] ip6_dst_alloc+0x23/0x90 [ 5670.577618][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5670.577618][ T1167] ip6_pol_route+0x56f/0x840 [ 5670.577618][ T1167] fib6_rule_lookup+0x334/0x630 [ 5670.577618][ T1167] ip6_route_output_flags+0x259/0x480 [ 5670.577618][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5670.577618][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5670.577618][ T1167] netlink_rcv_skb+0x130/0x360 [ 5670.577618][ T1167] netlink_unicast+0x449/0x710 [ 5670.577618][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5670.577618][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5670.577618][ T1167] ___sys_sendmsg+0xee/0x170 [ 5670.577618][ T1167] __sys_sendmsg+0xcd/0x170 [ 5670.577618][ T1167] do_syscall_64+0xc6/0x1e0 [ 5670.577618][ T1167] [ 5670.579868][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5670.579868][ T1167] netdev_get_by_index+0x5e/0x80 [ 5670.579868][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5670.579868][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5670.579868][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5670.579868][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5670.579868][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5670.579868][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5670.579868][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5670.579868][ T1167] addrconf_dad_begin+0x310/0x670 [ 5670.579868][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5670.579868][ T1167] process_one_work+0x84d/0x18a0 [ 5670.579868][ T1167] worker_thread+0x587/0xd30 [ 5670.579868][ T1167] kthread+0x28a/0x350 [ 5670.579868][ T1167] ret_from_fork+0x31/0x70 [ 5670.579868][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5670.579868][ T1167] [ 5670.582048][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5670.582048][ T1167] netdev_get_by_index+0x5e/0x80 [ 5670.582048][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5670.582048][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5670.582048][ T1167] ip6_route_add+0x1c/0x140 [ 5670.582048][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5670.582048][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5670.582048][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5670.582048][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5670.582048][ T1167] netlink_rcv_skb+0x130/0x360 [ 5670.582048][ T1167] netlink_unicast+0x449/0x710 [ 5670.582048][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5670.582048][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5670.582048][ T1167] ___sys_sendmsg+0xee/0x170 [ 5670.582048][ T1167] __sys_sendmsg+0xcd/0x170 [ 5670.582048][ T1167] do_syscall_64+0xc6/0x1e0 [ 5670.582048][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5670.582048][ T1167] [ 5670.584331][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5670.584331][ T1167] netdev_get_by_index+0x5e/0x80 [ 5670.584331][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5670.584331][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5670.584331][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5670.584331][ T1167] ipv6_add_addr+0x411/0x2000 [ 5670.584331][ T1167] inet6_addr_add+0x30e/0xa40 [ 5670.584331][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5670.584331][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5670.584331][ T1167] netlink_rcv_skb+0x130/0x360 [ 5670.584331][ T1167] netlink_unicast+0x449/0x710 [ 5670.584331][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5670.584331][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5670.584331][ T1167] ___sys_sendmsg+0xee/0x170 [ 5670.584331][ T1167] __sys_sendmsg+0xcd/0x170 [ 5670.584331][ T1167] do_syscall_64+0xc6/0x1e0 [ 5670.584331][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5670.584331][ T1167] [ 5670.586601][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5670.586601][ T1167] netdev_get_by_index+0x5e/0x80 [ 5670.586601][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5670.586601][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5670.586601][ T1167] ip6_route_add+0x1c/0x140 [ 5670.586601][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5670.586601][ T1167] addrconf_add_dev+0xe2/0x170 [ 5670.586601][ T1167] inet6_addr_add+0x12f/0xa40 [ 5670.586601][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5670.586601][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5670.586601][ T1167] netlink_rcv_skb+0x130/0x360 [ 5670.586601][ T1167] netlink_unicast+0x449/0x710 [ 5670.586601][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5670.586601][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5670.586601][ T1167] ___sys_sendmsg+0xee/0x170 [ 5670.586601][ T1167] __sys_sendmsg+0xcd/0x170 [ 5670.586601][ T1167] do_syscall_64+0xc6/0x1e0 [ 5670.586601][ T1167] [ 5670.588845][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5670.588845][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5670.588845][ T1167] ipv6_find_idev+0x102/0x170 [ 5670.588845][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5670.588845][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5670.588845][ T1167] netlink_rcv_skb+0x130/0x360 [ 5670.588845][ T1167] netlink_unicast+0x449/0x710 [ 5670.588845][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5670.588845][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5670.588845][ T1167] ___sys_sendmsg+0xee/0x170 [ 5670.588845][ T1167] __sys_sendmsg+0xcd/0x170 [ 5670.588845][ T1167] do_syscall_64+0xc6/0x1e0 [ 5670.588845][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5670.588845][ T1167] [ 5670.590606][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5670.590606][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5670.590606][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5670.590606][ T1167] ipv6_find_idev+0x102/0x170 [ 5670.590606][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5670.590606][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5670.590606][ T1167] netlink_rcv_skb+0x130/0x360 [ 5670.590606][ T1167] netlink_unicast+0x449/0x710 [ 5670.590606][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5670.590606][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5670.590606][ T1167] ___sys_sendmsg+0xee/0x170 [ 5670.590606][ T1167] __sys_sendmsg+0xcd/0x170 [ 5670.590606][ T1167] do_syscall_64+0xc6/0x1e0 [ 5670.590606][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5670.590606][ T1167] [ 5679.425040][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5679.425477][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5679.425477][ T10] netdev_get_by_index+0x5e/0x80 [ 5679.425477][ T10] fib6_nh_init+0x3d8/0x1580 [ 5679.425477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5679.425477][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5679.425477][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5679.425477][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5679.425477][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5679.425477][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5679.425477][ T10] addrconf_dad_begin+0x310/0x670 [ 5679.425477][ T10] addrconf_dad_work+0x10b/0xab0 [ 5679.425477][ T10] process_one_work+0x84d/0x18a0 [ 5679.425477][ T10] worker_thread+0x587/0xd30 [ 5679.425477][ T10] kthread+0x28a/0x350 [ 5679.425477][ T10] ret_from_fork+0x31/0x70 [ 5679.425477][ T10] ret_from_fork_asm+0x1a/0x30 [ 5679.425477][ T10] [ 5679.427439][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5679.427439][ T10] netdev_get_by_index+0x5e/0x80 [ 5679.427439][ T10] fib6_nh_init+0x3d8/0x1580 [ 5679.427439][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5679.427439][ T10] ip6_route_add+0x1c/0x140 [ 5679.427439][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5679.427439][ T10] inet6_addr_add+0x4f8/0xa40 [ 5679.427439][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5679.427439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.427439][ T10] netlink_rcv_skb+0x130/0x360 [ 5679.427439][ T10] netlink_unicast+0x449/0x710 [ 5679.427439][ T10] netlink_sendmsg+0x723/0xbe0 [ 5679.427439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5679.427439][ T10] ___sys_sendmsg+0xee/0x170 [ 5679.427439][ T10] __sys_sendmsg+0xcd/0x170 [ 5679.427439][ T10] do_syscall_64+0xc6/0x1e0 [ 5679.427439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.427439][ T10] [ 5679.429473][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5679.429473][ T10] netdev_get_by_index+0x5e/0x80 [ 5679.429473][ T10] fib6_nh_init+0x3d8/0x1580 [ 5679.429473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5679.429473][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5679.429473][ T10] ipv6_add_addr+0x411/0x2000 [ 5679.429473][ T10] inet6_addr_add+0x30e/0xa40 [ 5679.429473][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5679.429473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.429473][ T10] netlink_rcv_skb+0x130/0x360 [ 5679.429473][ T10] netlink_unicast+0x449/0x710 [ 5679.429473][ T10] netlink_sendmsg+0x723/0xbe0 [ 5679.429473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5679.429473][ T10] ___sys_sendmsg+0xee/0x170 [ 5679.429473][ T10] __sys_sendmsg+0xcd/0x170 [ 5679.429473][ T10] do_syscall_64+0xc6/0x1e0 [ 5679.429473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.429473][ T10] [ 5679.431492][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5679.431492][ T10] netdev_get_by_index+0x5e/0x80 [ 5679.431492][ T10] fib6_nh_init+0x3d8/0x1580 [ 5679.431492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5679.431492][ T10] ip6_route_add+0x1c/0x140 [ 5679.431492][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5679.431492][ T10] addrconf_add_dev+0xe2/0x170 [ 5679.431492][ T10] inet6_addr_add+0x12f/0xa40 [ 5679.431492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5679.431492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.431492][ T10] netlink_rcv_skb+0x130/0x360 [ 5679.431492][ T10] netlink_unicast+0x449/0x710 [ 5679.431492][ T10] netlink_sendmsg+0x723/0xbe0 [ 5679.431492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5679.431492][ T10] ___sys_sendmsg+0xee/0x170 [ 5679.431492][ T10] __sys_sendmsg+0xcd/0x170 [ 5679.431492][ T10] do_syscall_64+0xc6/0x1e0 [ 5679.431492][ T10] [ 5679.433474][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5679.433474][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5679.433474][ T10] ipv6_find_idev+0x102/0x170 [ 5679.433474][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5679.433474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.433474][ T10] netlink_rcv_skb+0x130/0x360 [ 5679.433474][ T10] netlink_unicast+0x449/0x710 [ 5679.433474][ T10] netlink_sendmsg+0x723/0xbe0 [ 5679.433474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5679.433474][ T10] ___sys_sendmsg+0xee/0x170 [ 5679.433474][ T10] __sys_sendmsg+0xcd/0x170 [ 5679.433474][ T10] do_syscall_64+0xc6/0x1e0 [ 5679.433474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.433474][ T10] [ 5679.435030][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5679.435030][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5679.435030][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5679.435030][ T10] ipv6_find_idev+0x102/0x170 [ 5679.435030][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5679.435030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.435030][ T10] netlink_rcv_skb+0x130/0x360 [ 5679.435030][ T10] netlink_unicast+0x449/0x710 [ 5679.435030][ T10] netlink_sendmsg+0x723/0xbe0 [ 5679.435030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5679.435030][ T10] ___sys_sendmsg+0xee/0x170 [ 5679.435030][ T10] __sys_sendmsg+0xcd/0x170 [ 5679.435030][ T10] do_syscall_64+0xc6/0x1e0 [ 5679.435030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.435030][ T10] [ 5679.436730][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5679.437001][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5679.437001][ T10] netdev_get_by_index+0x5e/0x80 [ 5679.437001][ T10] fib6_nh_init+0x3d8/0x1580 [ 5679.437001][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5679.437001][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5679.437001][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5679.437001][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5679.437001][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5679.437001][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5679.437001][ T10] addrconf_dad_begin+0x310/0x670 [ 5679.437001][ T10] addrconf_dad_work+0x10b/0xab0 [ 5679.437001][ T10] process_one_work+0x84d/0x18a0 [ 5679.437001][ T10] worker_thread+0x587/0xd30 [ 5679.437001][ T10] kthread+0x28a/0x350 [ 5679.437001][ T10] ret_from_fork+0x31/0x70 [ 5679.437001][ T10] ret_from_fork_asm+0x1a/0x30 [ 5679.437001][ T10] [ 5679.438922][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5679.438922][ T10] netdev_get_by_index+0x5e/0x80 [ 5679.438922][ T10] fib6_nh_init+0x3d8/0x1580 [ 5679.438922][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5679.438922][ T10] ip6_route_add+0x1c/0x140 [ 5679.438922][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5679.438922][ T10] inet6_addr_add+0x4f8/0xa40 [ 5679.438922][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5679.438922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.438922][ T10] netlink_rcv_skb+0x130/0x360 [ 5679.438922][ T10] netlink_unicast+0x449/0x710 [ 5679.438922][ T10] netlink_sendmsg+0x723/0xbe0 [ 5679.438922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5679.438922][ T10] ___sys_sendmsg+0xee/0x170 [ 5679.438922][ T10] __sys_sendmsg+0xcd/0x170 [ 5679.438922][ T10] do_syscall_64+0xc6/0x1e0 [ 5679.438922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.438922][ T10] [ 5679.440934][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5679.440934][ T10] netdev_get_by_index+0x5e/0x80 [ 5679.440934][ T10] fib6_nh_init+0x3d8/0x1580 [ 5679.440934][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5679.440934][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5679.440934][ T10] ipv6_add_addr+0x411/0x2000 [ 5679.440934][ T10] inet6_addr_add+0x30e/0xa40 [ 5679.440934][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5679.440934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.440934][ T10] netlink_rcv_skb+0x130/0x360 [ 5679.440934][ T10] netlink_unicast+0x449/0x710 [ 5679.440934][ T10] netlink_sendmsg+0x723/0xbe0 [ 5679.440934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5679.440934][ T10] ___sys_sendmsg+0xee/0x170 [ 5679.440934][ T10] __sys_sendmsg+0xcd/0x170 [ 5679.440934][ T10] do_syscall_64+0xc6/0x1e0 [ 5679.440934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.440934][ T10] [ 5679.442967][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5679.442967][ T10] netdev_get_by_index+0x5e/0x80 [ 5679.442967][ T10] fib6_nh_init+0x3d8/0x1580 [ 5679.442967][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5679.442967][ T10] ip6_route_add+0x1c/0x140 [ 5679.442967][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5679.442967][ T10] addrconf_add_dev+0xe2/0x170 [ 5679.442967][ T10] inet6_addr_add+0x12f/0xa40 [ 5679.442967][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5679.442967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.442967][ T10] netlink_rcv_skb+0x130/0x360 [ 5679.442967][ T10] netlink_unicast+0x449/0x710 [ 5679.442967][ T10] netlink_sendmsg+0x723/0xbe0 [ 5679.442967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5679.442967][ T10] ___sys_sendmsg+0xee/0x170 [ 5679.442967][ T10] __sys_sendmsg+0xcd/0x170 [ 5679.442967][ T10] do_syscall_64+0xc6/0x1e0 [ 5679.442967][ T10] [ 5679.444937][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5679.444937][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5679.444937][ T10] ipv6_find_idev+0x102/0x170 [ 5679.444937][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5679.444937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.444937][ T10] netlink_rcv_skb+0x130/0x360 [ 5679.444937][ T10] netlink_unicast+0x449/0x710 [ 5679.444937][ T10] netlink_sendmsg+0x723/0xbe0 [ 5679.444937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5679.444937][ T10] ___sys_sendmsg+0xee/0x170 [ 5679.444937][ T10] __sys_sendmsg+0xcd/0x170 [ 5679.444937][ T10] do_syscall_64+0xc6/0x1e0 [ 5679.444937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.444937][ T10] [ 5679.446492][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5679.446492][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5679.446492][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5679.446492][ T10] ipv6_find_idev+0x102/0x170 [ 5679.446492][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5679.446492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.446492][ T10] netlink_rcv_skb+0x130/0x360 [ 5679.446492][ T10] netlink_unicast+0x449/0x710 [ 5679.446492][ T10] netlink_sendmsg+0x723/0xbe0 [ 5679.446492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5679.446492][ T10] ___sys_sendmsg+0xee/0x170 [ 5679.446492][ T10] __sys_sendmsg+0xcd/0x170 [ 5679.446492][ T10] do_syscall_64+0xc6/0x1e0 [ 5679.446492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.446492][ T10] [ 5679.448199][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5679.448447][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5679.448447][ T10] netdev_get_by_index+0x5e/0x80 [ 5679.448447][ T10] fib6_nh_init+0x3d8/0x1580 [ 5679.448447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5679.448447][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5679.448447][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5679.448447][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5679.448447][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5679.448447][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5679.448447][ T10] addrconf_dad_begin+0x310/0x670 [ 5679.448447][ T10] addrconf_dad_work+0x10b/0xab0 [ 5679.448447][ T10] process_one_work+0x84d/0x18a0 [ 5679.448447][ T10] worker_thread+0x587/0xd30 [ 5679.448447][ T10] kthread+0x28a/0x350 [ 5679.448447][ T10] ret_from_fork+0x31/0x70 [ 5679.448447][ T10] ret_from_fork_asm+0x1a/0x30 [ 5679.448447][ T10] [ 5679.450374][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5679.450374][ T10] netdev_get_by_index+0x5e/0x80 [ 5679.450374][ T10] fib6_nh_init+0x3d8/0x1580 [ 5679.450374][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5679.450374][ T10] ip6_route_add+0x1c/0x140 [ 5679.450374][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5679.450374][ T10] inet6_addr_add+0x4f8/0xa40 [ 5679.450374][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5679.450374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.450374][ T10] netlink_rcv_skb+0x130/0x360 [ 5679.450374][ T10] netlink_unicast+0x449/0x710 [ 5679.450374][ T10] netlink_sendmsg+0x723/0xbe0 [ 5679.450374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5679.450374][ T10] ___sys_sendmsg+0xee/0x170 [ 5679.450374][ T10] __sys_sendmsg+0xcd/0x170 [ 5679.450374][ T10] do_syscall_64+0xc6/0x1e0 [ 5679.450374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.450374][ T10] [ 5679.452539][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5679.452539][ T10] netdev_get_by_index+0x5e/0x80 [ 5679.452539][ T10] fib6_nh_init+0x3d8/0x1580 [ 5679.452539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5679.452539][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5679.452539][ T10] ipv6_add_addr+0x411/0x2000 [ 5679.452539][ T10] inet6_addr_add+0x30e/0xa40 [ 5679.452539][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5679.452539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.452539][ T10] netlink_rcv_skb+0x130/0x360 [ 5679.452539][ T10] netlink_unicast+0x449/0x710 [ 5679.452539][ T10] netlink_sendmsg+0x723/0xbe0 [ 5679.452539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5679.452539][ T10] ___sys_sendmsg+0xee/0x170 [ 5679.452539][ T10] __sys_sendmsg+0xcd/0x170 [ 5679.452539][ T10] do_syscall_64+0xc6/0x1e0 [ 5679.452539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.452539][ T10] [ 5679.454690][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5679.454690][ T10] netdev_get_by_index+0x5e/0x80 [ 5679.454690][ T10] fib6_nh_init+0x3d8/0x1580 [ 5679.454690][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5679.454690][ T10] ip6_route_add+0x1c/0x140 [ 5679.454690][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5679.454690][ T10] addrconf_add_dev+0xe2/0x170 [ 5679.454690][ T10] inet6_addr_add+0x12f/0xa40 [ 5679.454690][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5679.454690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.454690][ T10] netlink_rcv_skb+0x130/0x360 [ 5679.454690][ T10] netlink_unicast+0x449/0x710 [ 5679.454690][ T10] netlink_sendmsg+0x723/0xbe0 [ 5679.454690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5679.454690][ T10] ___sys_sendmsg+0xee/0x170 [ 5679.454690][ T10] __sys_sendmsg+0xcd/0x170 [ 5679.454690][ T10] do_syscall_64+0xc6/0x1e0 [ 5679.454690][ T10] [ 5679.456780][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5679.456780][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5679.456780][ T10] ipv6_find_idev+0x102/0x170 [ 5679.456780][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5679.456780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.456780][ T10] netlink_rcv_skb+0x130/0x360 [ 5679.456780][ T10] netlink_unicast+0x449/0x710 [ 5679.456780][ T10] netlink_sendmsg+0x723/0xbe0 [ 5679.456780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5679.456780][ T10] ___sys_sendmsg+0xee/0x170 [ 5679.456780][ T10] __sys_sendmsg+0xcd/0x170 [ 5679.456780][ T10] do_syscall_64+0xc6/0x1e0 [ 5679.456780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.456780][ T10] [ 5679.458386][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5679.458386][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5679.458386][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5679.458386][ T10] ipv6_find_idev+0x102/0x170 [ 5679.458386][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5679.458386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.458386][ T10] netlink_rcv_skb+0x130/0x360 [ 5679.458386][ T10] netlink_unicast+0x449/0x710 [ 5679.458386][ T10] netlink_sendmsg+0x723/0xbe0 [ 5679.458386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5679.458386][ T10] ___sys_sendmsg+0xee/0x170 [ 5679.458386][ T10] __sys_sendmsg+0xcd/0x170 [ 5679.458386][ T10] do_syscall_64+0xc6/0x1e0 [ 5679.458386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.458386][ T10] [ 5679.460281][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5679.460531][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5679.460531][ T10] netdev_get_by_index+0x5e/0x80 [ 5679.460531][ T10] fib6_nh_init+0x3d8/0x1580 [ 5679.460531][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5679.460531][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5679.460531][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5679.460531][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5679.460531][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5679.460531][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5679.460531][ T10] addrconf_dad_begin+0x310/0x670 [ 5679.460531][ T10] addrconf_dad_work+0x10b/0xab0 [ 5679.460531][ T10] process_one_work+0x84d/0x18a0 [ 5679.460531][ T10] worker_thread+0x587/0xd30 [ 5679.460531][ T10] kthread+0x28a/0x350 [ 5679.460531][ T10] ret_from_fork+0x31/0x70 [ 5679.460531][ T10] ret_from_fork_asm+0x1a/0x30 [ 5679.460531][ T10] [ 5679.462601][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5679.462601][ T10] netdev_get_by_index+0x5e/0x80 [ 5679.462601][ T10] fib6_nh_init+0x3d8/0x1580 [ 5679.462601][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5679.462601][ T10] ip6_route_add+0x1c/0x140 [ 5679.462601][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5679.462601][ T10] inet6_addr_add+0x4f8/0xa40 [ 5679.462601][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5679.462601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.462601][ T10] netlink_rcv_skb+0x130/0x360 [ 5679.462601][ T10] netlink_unicast+0x449/0x710 [ 5679.462601][ T10] netlink_sendmsg+0x723/0xbe0 [ 5679.462601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5679.462601][ T10] ___sys_sendmsg+0xee/0x170 [ 5679.462601][ T10] __sys_sendmsg+0xcd/0x170 [ 5679.462601][ T10] do_syscall_64+0xc6/0x1e0 [ 5679.462601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.462601][ T10] [ 5679.464737][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5679.464737][ T10] netdev_get_by_index+0x5e/0x80 [ 5679.464737][ T10] fib6_nh_init+0x3d8/0x1580 [ 5679.464737][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5679.464737][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5679.464737][ T10] ipv6_add_addr+0x411/0x2000 [ 5679.464737][ T10] inet6_addr_add+0x30e/0xa40 [ 5679.464737][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5679.464737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.464737][ T10] netlink_rcv_skb+0x130/0x360 [ 5679.464737][ T10] netlink_unicast+0x449/0x710 [ 5679.464737][ T10] netlink_sendmsg+0x723/0xbe0 [ 5679.464737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5679.464737][ T10] ___sys_sendmsg+0xee/0x170 [ 5679.464737][ T10] __sys_sendmsg+0xcd/0x170 [ 5679.464737][ T10] do_syscall_64+0xc6/0x1e0 [ 5679.464737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.464737][ T10] [ 5679.466884][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5679.466884][ T10] netdev_get_by_index+0x5e/0x80 [ 5679.466884][ T10] fib6_nh_init+0x3d8/0x1580 [ 5679.466884][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5679.466884][ T10] ip6_route_add+0x1c/0x140 [ 5679.466884][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5679.466884][ T10] addrconf_add_dev+0xe2/0x170 [ 5679.466884][ T10] inet6_addr_add+0x12f/0xa40 [ 5679.466884][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5679.466884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.466884][ T10] netlink_rcv_skb+0x130/0x360 [ 5679.466884][ T10] netlink_unicast+0x449/0x710 [ 5679.466884][ T10] netlink_sendmsg+0x723/0xbe0 [ 5679.466884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5679.466884][ T10] ___sys_sendmsg+0xee/0x170 [ 5679.466884][ T10] __sys_sendmsg+0xcd/0x170 [ 5679.466884][ T10] do_syscall_64+0xc6/0x1e0 [ 5679.466884][ T10] [ 5679.468993][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5679.468993][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5679.468993][ T10] ipv6_find_idev+0x102/0x170 [ 5679.468993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5679.468993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.468993][ T10] netlink_rcv_skb+0x130/0x360 [ 5679.468993][ T10] netlink_unicast+0x449/0x710 [ 5679.468993][ T10] netlink_sendmsg+0x723/0xbe0 [ 5679.468993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5679.468993][ T10] ___sys_sendmsg+0xee/0x170 [ 5679.468993][ T10] __sys_sendmsg+0xcd/0x170 [ 5679.468993][ T10] do_syscall_64+0xc6/0x1e0 [ 5679.468993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.468993][ T10] [ 5679.470698][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5679.470698][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5679.470698][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5679.470698][ T10] ipv6_find_idev+0x102/0x170 [ 5679.470698][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5679.470698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5679.470698][ T10] netlink_rcv_skb+0x130/0x360 [ 5679.470698][ T10] netlink_unicast+0x449/0x710 [ 5679.470698][ T10] netlink_sendmsg+0x723/0xbe0 [ 5679.470698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5679.470698][ T10] ___sys_sendmsg+0xee/0x170 [ 5679.470698][ T10] __sys_sendmsg+0xcd/0x170 [ 5679.470698][ T10] do_syscall_64+0xc6/0x1e0 [ 5679.470698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5679.470698][ T10] [ 5680.833099][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5680.833572][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5680.833572][ T1167] dst_init+0x84/0x4a0 [ 5680.833572][ T1167] dst_alloc+0x97/0x150 [ 5680.833572][ T1167] ip6_dst_alloc+0x23/0x90 [ 5680.833572][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5680.833572][ T1167] ip6_pol_route+0x56f/0x840 [ 5680.833572][ T1167] fib6_rule_lookup+0x334/0x630 [ 5680.833572][ T1167] ip6_route_output_flags+0x259/0x480 [ 5680.833572][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5680.833572][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5680.833572][ T1167] netlink_rcv_skb+0x130/0x360 [ 5680.833572][ T1167] netlink_unicast+0x449/0x710 [ 5680.833572][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5680.833572][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5680.833572][ T1167] ___sys_sendmsg+0xee/0x170 [ 5680.833572][ T1167] __sys_sendmsg+0xcd/0x170 [ 5680.833572][ T1167] do_syscall_64+0xc6/0x1e0 [ 5680.833572][ T1167] [ 5680.835953][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5680.835953][ T1167] netdev_get_by_index+0x5e/0x80 [ 5680.835953][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5680.835953][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5680.835953][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5680.835953][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5680.835953][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5680.835953][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5680.835953][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5680.835953][ T1167] addrconf_dad_begin+0x310/0x670 [ 5680.835953][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5680.835953][ T1167] process_one_work+0x84d/0x18a0 [ 5680.835953][ T1167] worker_thread+0x587/0xd30 [ 5680.835953][ T1167] kthread+0x28a/0x350 [ 5680.835953][ T1167] ret_from_fork+0x31/0x70 [ 5680.835953][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5680.835953][ T1167] [ 5680.838143][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5680.838143][ T1167] netdev_get_by_index+0x5e/0x80 [ 5680.838143][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5680.838143][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5680.838143][ T1167] ip6_route_add+0x1c/0x140 [ 5680.838143][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5680.838143][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5680.838143][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5680.838143][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5680.838143][ T1167] netlink_rcv_skb+0x130/0x360 [ 5680.838143][ T1167] netlink_unicast+0x449/0x710 [ 5680.838143][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5680.838143][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5680.838143][ T1167] ___sys_sendmsg+0xee/0x170 [ 5680.838143][ T1167] __sys_sendmsg+0xcd/0x170 [ 5680.838143][ T1167] do_syscall_64+0xc6/0x1e0 [ 5680.838143][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5680.838143][ T1167] [ 5680.840424][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5680.840424][ T1167] netdev_get_by_index+0x5e/0x80 [ 5680.840424][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5680.840424][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5680.840424][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5680.840424][ T1167] ipv6_add_addr+0x411/0x2000 [ 5680.840424][ T1167] inet6_addr_add+0x30e/0xa40 [ 5680.840424][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5680.840424][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5680.840424][ T1167] netlink_rcv_skb+0x130/0x360 [ 5680.840424][ T1167] netlink_unicast+0x449/0x710 [ 5680.840424][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5680.840424][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5680.840424][ T1167] ___sys_sendmsg+0xee/0x170 [ 5680.840424][ T1167] __sys_sendmsg+0xcd/0x170 [ 5680.840424][ T1167] do_syscall_64+0xc6/0x1e0 [ 5680.840424][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5680.840424][ T1167] [ 5680.842719][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5680.842719][ T1167] netdev_get_by_index+0x5e/0x80 [ 5680.842719][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5680.842719][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5680.842719][ T1167] ip6_route_add+0x1c/0x140 [ 5680.842719][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5680.842719][ T1167] addrconf_add_dev+0xe2/0x170 [ 5680.842719][ T1167] inet6_addr_add+0x12f/0xa40 [ 5680.842719][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5680.842719][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5680.842719][ T1167] netlink_rcv_skb+0x130/0x360 [ 5680.842719][ T1167] netlink_unicast+0x449/0x710 [ 5680.842719][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5680.842719][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5680.842719][ T1167] ___sys_sendmsg+0xee/0x170 [ 5680.842719][ T1167] __sys_sendmsg+0xcd/0x170 [ 5680.842719][ T1167] do_syscall_64+0xc6/0x1e0 [ 5680.842719][ T1167] [ 5680.844939][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5680.844939][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5680.844939][ T1167] ipv6_find_idev+0x102/0x170 [ 5680.844939][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5680.844939][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5680.844939][ T1167] netlink_rcv_skb+0x130/0x360 [ 5680.844939][ T1167] netlink_unicast+0x449/0x710 [ 5680.844939][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5680.844939][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5680.844939][ T1167] ___sys_sendmsg+0xee/0x170 [ 5680.844939][ T1167] __sys_sendmsg+0xcd/0x170 [ 5680.844939][ T1167] do_syscall_64+0xc6/0x1e0 [ 5680.844939][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5680.844939][ T1167] [ 5680.846686][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5680.846686][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5680.846686][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5680.846686][ T1167] ipv6_find_idev+0x102/0x170 [ 5680.846686][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5680.846686][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5680.846686][ T1167] netlink_rcv_skb+0x130/0x360 [ 5680.846686][ T1167] netlink_unicast+0x449/0x710 [ 5680.846686][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5680.846686][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5680.846686][ T1167] ___sys_sendmsg+0xee/0x170 [ 5680.846686][ T1167] __sys_sendmsg+0xcd/0x170 [ 5680.846686][ T1167] do_syscall_64+0xc6/0x1e0 [ 5680.846686][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5680.846686][ T1167] [ 5689.713032][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5689.713487][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5689.713487][ T10] netdev_get_by_index+0x5e/0x80 [ 5689.713487][ T10] fib6_nh_init+0x3d8/0x1580 [ 5689.713487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5689.713487][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5689.713487][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5689.713487][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5689.713487][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5689.713487][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5689.713487][ T10] addrconf_dad_begin+0x310/0x670 [ 5689.713487][ T10] addrconf_dad_work+0x10b/0xab0 [ 5689.713487][ T10] process_one_work+0x84d/0x18a0 [ 5689.713487][ T10] worker_thread+0x587/0xd30 [ 5689.713487][ T10] kthread+0x28a/0x350 [ 5689.713487][ T10] ret_from_fork+0x31/0x70 [ 5689.713487][ T10] ret_from_fork_asm+0x1a/0x30 [ 5689.713487][ T10] [ 5689.715431][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5689.715431][ T10] netdev_get_by_index+0x5e/0x80 [ 5689.715431][ T10] fib6_nh_init+0x3d8/0x1580 [ 5689.715431][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5689.715431][ T10] ip6_route_add+0x1c/0x140 [ 5689.715431][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5689.715431][ T10] inet6_addr_add+0x4f8/0xa40 [ 5689.715431][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5689.715431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.715431][ T10] netlink_rcv_skb+0x130/0x360 [ 5689.715431][ T10] netlink_unicast+0x449/0x710 [ 5689.715431][ T10] netlink_sendmsg+0x723/0xbe0 [ 5689.715431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5689.715431][ T10] ___sys_sendmsg+0xee/0x170 [ 5689.715431][ T10] __sys_sendmsg+0xcd/0x170 [ 5689.715431][ T10] do_syscall_64+0xc6/0x1e0 [ 5689.715431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.715431][ T10] [ 5689.717451][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5689.717451][ T10] netdev_get_by_index+0x5e/0x80 [ 5689.717451][ T10] fib6_nh_init+0x3d8/0x1580 [ 5689.717451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5689.717451][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5689.717451][ T10] ipv6_add_addr+0x411/0x2000 [ 5689.717451][ T10] inet6_addr_add+0x30e/0xa40 [ 5689.717451][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5689.717451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.717451][ T10] netlink_rcv_skb+0x130/0x360 [ 5689.717451][ T10] netlink_unicast+0x449/0x710 [ 5689.717451][ T10] netlink_sendmsg+0x723/0xbe0 [ 5689.717451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5689.717451][ T10] ___sys_sendmsg+0xee/0x170 [ 5689.717451][ T10] __sys_sendmsg+0xcd/0x170 [ 5689.717451][ T10] do_syscall_64+0xc6/0x1e0 [ 5689.717451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.717451][ T10] [ 5689.719468][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5689.719468][ T10] netdev_get_by_index+0x5e/0x80 [ 5689.719468][ T10] fib6_nh_init+0x3d8/0x1580 [ 5689.719468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5689.719468][ T10] ip6_route_add+0x1c/0x140 [ 5689.719468][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5689.719468][ T10] addrconf_add_dev+0xe2/0x170 [ 5689.719468][ T10] inet6_addr_add+0x12f/0xa40 [ 5689.719468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5689.719468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.719468][ T10] netlink_rcv_skb+0x130/0x360 [ 5689.719468][ T10] netlink_unicast+0x449/0x710 [ 5689.719468][ T10] netlink_sendmsg+0x723/0xbe0 [ 5689.719468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5689.719468][ T10] ___sys_sendmsg+0xee/0x170 [ 5689.719468][ T10] __sys_sendmsg+0xcd/0x170 [ 5689.719468][ T10] do_syscall_64+0xc6/0x1e0 [ 5689.719468][ T10] [ 5689.721460][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5689.721460][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5689.721460][ T10] ipv6_find_idev+0x102/0x170 [ 5689.721460][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5689.721460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.721460][ T10] netlink_rcv_skb+0x130/0x360 [ 5689.721460][ T10] netlink_unicast+0x449/0x710 [ 5689.721460][ T10] netlink_sendmsg+0x723/0xbe0 [ 5689.721460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5689.721460][ T10] ___sys_sendmsg+0xee/0x170 [ 5689.721460][ T10] __sys_sendmsg+0xcd/0x170 [ 5689.721460][ T10] do_syscall_64+0xc6/0x1e0 [ 5689.721460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.721460][ T10] [ 5689.723014][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5689.723014][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5689.723014][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5689.723014][ T10] ipv6_find_idev+0x102/0x170 [ 5689.723014][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5689.723014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.723014][ T10] netlink_rcv_skb+0x130/0x360 [ 5689.723014][ T10] netlink_unicast+0x449/0x710 [ 5689.723014][ T10] netlink_sendmsg+0x723/0xbe0 [ 5689.723014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5689.723014][ T10] ___sys_sendmsg+0xee/0x170 [ 5689.723014][ T10] __sys_sendmsg+0xcd/0x170 [ 5689.723014][ T10] do_syscall_64+0xc6/0x1e0 [ 5689.723014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.723014][ T10] [ 5689.724717][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5689.724952][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5689.724952][ T10] netdev_get_by_index+0x5e/0x80 [ 5689.724952][ T10] fib6_nh_init+0x3d8/0x1580 [ 5689.724952][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5689.724952][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5689.724952][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5689.724952][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5689.724952][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5689.724952][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5689.724952][ T10] addrconf_dad_begin+0x310/0x670 [ 5689.724952][ T10] addrconf_dad_work+0x10b/0xab0 [ 5689.724952][ T10] process_one_work+0x84d/0x18a0 [ 5689.724952][ T10] worker_thread+0x587/0xd30 [ 5689.724952][ T10] kthread+0x28a/0x350 [ 5689.724952][ T10] ret_from_fork+0x31/0x70 [ 5689.724952][ T10] ret_from_fork_asm+0x1a/0x30 [ 5689.724952][ T10] [ 5689.726908][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5689.726908][ T10] netdev_get_by_index+0x5e/0x80 [ 5689.726908][ T10] fib6_nh_init+0x3d8/0x1580 [ 5689.726908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5689.726908][ T10] ip6_route_add+0x1c/0x140 [ 5689.726908][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5689.726908][ T10] inet6_addr_add+0x4f8/0xa40 [ 5689.726908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5689.726908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.726908][ T10] netlink_rcv_skb+0x130/0x360 [ 5689.726908][ T10] netlink_unicast+0x449/0x710 [ 5689.726908][ T10] netlink_sendmsg+0x723/0xbe0 [ 5689.726908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5689.726908][ T10] ___sys_sendmsg+0xee/0x170 [ 5689.726908][ T10] __sys_sendmsg+0xcd/0x170 [ 5689.726908][ T10] do_syscall_64+0xc6/0x1e0 [ 5689.726908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.726908][ T10] [ 5689.728924][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5689.728924][ T10] netdev_get_by_index+0x5e/0x80 [ 5689.728924][ T10] fib6_nh_init+0x3d8/0x1580 [ 5689.728924][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5689.728924][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5689.728924][ T10] ipv6_add_addr+0x411/0x2000 [ 5689.728924][ T10] inet6_addr_add+0x30e/0xa40 [ 5689.728924][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5689.728924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.728924][ T10] netlink_rcv_skb+0x130/0x360 [ 5689.728924][ T10] netlink_unicast+0x449/0x710 [ 5689.728924][ T10] netlink_sendmsg+0x723/0xbe0 [ 5689.728924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5689.728924][ T10] ___sys_sendmsg+0xee/0x170 [ 5689.728924][ T10] __sys_sendmsg+0xcd/0x170 [ 5689.728924][ T10] do_syscall_64+0xc6/0x1e0 [ 5689.728924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.728924][ T10] [ 5689.730944][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5689.730944][ T10] netdev_get_by_index+0x5e/0x80 [ 5689.730944][ T10] fib6_nh_init+0x3d8/0x1580 [ 5689.730944][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5689.730944][ T10] ip6_route_add+0x1c/0x140 [ 5689.730944][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5689.730944][ T10] addrconf_add_dev+0xe2/0x170 [ 5689.730944][ T10] inet6_addr_add+0x12f/0xa40 [ 5689.730944][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5689.730944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.730944][ T10] netlink_rcv_skb+0x130/0x360 [ 5689.730944][ T10] netlink_unicast+0x449/0x710 [ 5689.730944][ T10] netlink_sendmsg+0x723/0xbe0 [ 5689.730944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5689.730944][ T10] ___sys_sendmsg+0xee/0x170 [ 5689.730944][ T10] __sys_sendmsg+0xcd/0x170 [ 5689.730944][ T10] do_syscall_64+0xc6/0x1e0 [ 5689.730944][ T10] [ 5689.732948][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5689.732948][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5689.732948][ T10] ipv6_find_idev+0x102/0x170 [ 5689.732948][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5689.732948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.732948][ T10] netlink_rcv_skb+0x130/0x360 [ 5689.732948][ T10] netlink_unicast+0x449/0x710 [ 5689.732948][ T10] netlink_sendmsg+0x723/0xbe0 [ 5689.732948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5689.732948][ T10] ___sys_sendmsg+0xee/0x170 [ 5689.732948][ T10] __sys_sendmsg+0xcd/0x170 [ 5689.732948][ T10] do_syscall_64+0xc6/0x1e0 [ 5689.732948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.732948][ T10] [ 5689.734505][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5689.734505][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5689.734505][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5689.734505][ T10] ipv6_find_idev+0x102/0x170 [ 5689.734505][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5689.734505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.734505][ T10] netlink_rcv_skb+0x130/0x360 [ 5689.734505][ T10] netlink_unicast+0x449/0x710 [ 5689.734505][ T10] netlink_sendmsg+0x723/0xbe0 [ 5689.734505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5689.734505][ T10] ___sys_sendmsg+0xee/0x170 [ 5689.734505][ T10] __sys_sendmsg+0xcd/0x170 [ 5689.734505][ T10] do_syscall_64+0xc6/0x1e0 [ 5689.734505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.734505][ T10] [ 5689.736206][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5689.736448][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5689.736448][ T10] netdev_get_by_index+0x5e/0x80 [ 5689.736448][ T10] fib6_nh_init+0x3d8/0x1580 [ 5689.736448][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5689.736448][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5689.736448][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5689.736448][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5689.736448][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5689.736448][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5689.736448][ T10] addrconf_dad_begin+0x310/0x670 [ 5689.736448][ T10] addrconf_dad_work+0x10b/0xab0 [ 5689.736448][ T10] process_one_work+0x84d/0x18a0 [ 5689.736448][ T10] worker_thread+0x587/0xd30 [ 5689.736448][ T10] kthread+0x28a/0x350 [ 5689.736448][ T10] ret_from_fork+0x31/0x70 [ 5689.736448][ T10] ret_from_fork_asm+0x1a/0x30 [ 5689.736448][ T10] [ 5689.738369][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5689.738369][ T10] netdev_get_by_index+0x5e/0x80 [ 5689.738369][ T10] fib6_nh_init+0x3d8/0x1580 [ 5689.738369][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5689.738369][ T10] ip6_route_add+0x1c/0x140 [ 5689.738369][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5689.738369][ T10] inet6_addr_add+0x4f8/0xa40 [ 5689.738369][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5689.738369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.738369][ T10] netlink_rcv_skb+0x130/0x360 [ 5689.738369][ T10] netlink_unicast+0x449/0x710 [ 5689.738369][ T10] netlink_sendmsg+0x723/0xbe0 [ 5689.738369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5689.738369][ T10] ___sys_sendmsg+0xee/0x170 [ 5689.738369][ T10] __sys_sendmsg+0xcd/0x170 [ 5689.738369][ T10] do_syscall_64+0xc6/0x1e0 [ 5689.738369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.738369][ T10] [ 5689.740445][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5689.740445][ T10] netdev_get_by_index+0x5e/0x80 [ 5689.740445][ T10] fib6_nh_init+0x3d8/0x1580 [ 5689.740445][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5689.740445][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5689.740445][ T10] ipv6_add_addr+0x411/0x2000 [ 5689.740445][ T10] inet6_addr_add+0x30e/0xa40 [ 5689.740445][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5689.740445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.740445][ T10] netlink_rcv_skb+0x130/0x360 [ 5689.740445][ T10] netlink_unicast+0x449/0x710 [ 5689.740445][ T10] netlink_sendmsg+0x723/0xbe0 [ 5689.740445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5689.740445][ T10] ___sys_sendmsg+0xee/0x170 [ 5689.740445][ T10] __sys_sendmsg+0xcd/0x170 [ 5689.740445][ T10] do_syscall_64+0xc6/0x1e0 [ 5689.740445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.740445][ T10] [ 5689.742620][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5689.742620][ T10] netdev_get_by_index+0x5e/0x80 [ 5689.742620][ T10] fib6_nh_init+0x3d8/0x1580 [ 5689.742620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5689.742620][ T10] ip6_route_add+0x1c/0x140 [ 5689.742620][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5689.742620][ T10] addrconf_add_dev+0xe2/0x170 [ 5689.742620][ T10] inet6_addr_add+0x12f/0xa40 [ 5689.742620][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5689.742620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.742620][ T10] netlink_rcv_skb+0x130/0x360 [ 5689.742620][ T10] netlink_unicast+0x449/0x710 [ 5689.742620][ T10] netlink_sendmsg+0x723/0xbe0 [ 5689.742620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5689.742620][ T10] ___sys_sendmsg+0xee/0x170 [ 5689.742620][ T10] __sys_sendmsg+0xcd/0x170 [ 5689.742620][ T10] do_syscall_64+0xc6/0x1e0 [ 5689.742620][ T10] [ 5689.744652][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5689.744652][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5689.744652][ T10] ipv6_find_idev+0x102/0x170 [ 5689.744652][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5689.744652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.744652][ T10] netlink_rcv_skb+0x130/0x360 [ 5689.744652][ T10] netlink_unicast+0x449/0x710 [ 5689.744652][ T10] netlink_sendmsg+0x723/0xbe0 [ 5689.744652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5689.744652][ T10] ___sys_sendmsg+0xee/0x170 [ 5689.744652][ T10] __sys_sendmsg+0xcd/0x170 [ 5689.744652][ T10] do_syscall_64+0xc6/0x1e0 [ 5689.744652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.744652][ T10] [ 5689.746267][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5689.746267][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5689.746267][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5689.746267][ T10] ipv6_find_idev+0x102/0x170 [ 5689.746267][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5689.746267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.746267][ T10] netlink_rcv_skb+0x130/0x360 [ 5689.746267][ T10] netlink_unicast+0x449/0x710 [ 5689.746267][ T10] netlink_sendmsg+0x723/0xbe0 [ 5689.746267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5689.746267][ T10] ___sys_sendmsg+0xee/0x170 [ 5689.746267][ T10] __sys_sendmsg+0xcd/0x170 [ 5689.746267][ T10] do_syscall_64+0xc6/0x1e0 [ 5689.746267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.746267][ T10] [ 5689.748043][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5689.748293][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5689.748293][ T10] netdev_get_by_index+0x5e/0x80 [ 5689.748293][ T10] fib6_nh_init+0x3d8/0x1580 [ 5689.748293][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5689.748293][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5689.748293][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5689.748293][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5689.748293][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5689.748293][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5689.748293][ T10] addrconf_dad_begin+0x310/0x670 [ 5689.748293][ T10] addrconf_dad_work+0x10b/0xab0 [ 5689.748293][ T10] process_one_work+0x84d/0x18a0 [ 5689.748293][ T10] worker_thread+0x587/0xd30 [ 5689.748293][ T10] kthread+0x28a/0x350 [ 5689.748293][ T10] ret_from_fork+0x31/0x70 [ 5689.748293][ T10] ret_from_fork_asm+0x1a/0x30 [ 5689.748293][ T10] [ 5689.750358][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5689.750358][ T10] netdev_get_by_index+0x5e/0x80 [ 5689.750358][ T10] fib6_nh_init+0x3d8/0x1580 [ 5689.750358][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5689.750358][ T10] ip6_route_add+0x1c/0x140 [ 5689.750358][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5689.750358][ T10] inet6_addr_add+0x4f8/0xa40 [ 5689.750358][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5689.750358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.750358][ T10] netlink_rcv_skb+0x130/0x360 [ 5689.750358][ T10] netlink_unicast+0x449/0x710 [ 5689.750358][ T10] netlink_sendmsg+0x723/0xbe0 [ 5689.750358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5689.750358][ T10] ___sys_sendmsg+0xee/0x170 [ 5689.750358][ T10] __sys_sendmsg+0xcd/0x170 [ 5689.750358][ T10] do_syscall_64+0xc6/0x1e0 [ 5689.750358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.750358][ T10] [ 5689.752449][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5689.752449][ T10] netdev_get_by_index+0x5e/0x80 [ 5689.752449][ T10] fib6_nh_init+0x3d8/0x1580 [ 5689.752449][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5689.752449][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5689.752449][ T10] ipv6_add_addr+0x411/0x2000 [ 5689.752449][ T10] inet6_addr_add+0x30e/0xa40 [ 5689.752449][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5689.752449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.752449][ T10] netlink_rcv_skb+0x130/0x360 [ 5689.752449][ T10] netlink_unicast+0x449/0x710 [ 5689.752449][ T10] netlink_sendmsg+0x723/0xbe0 [ 5689.752449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5689.752449][ T10] ___sys_sendmsg+0xee/0x170 [ 5689.752449][ T10] __sys_sendmsg+0xcd/0x170 [ 5689.752449][ T10] do_syscall_64+0xc6/0x1e0 [ 5689.752449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.752449][ T10] [ 5689.754542][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5689.754542][ T10] netdev_get_by_index+0x5e/0x80 [ 5689.754542][ T10] fib6_nh_init+0x3d8/0x1580 [ 5689.754542][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5689.754542][ T10] ip6_route_add+0x1c/0x140 [ 5689.754542][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5689.754542][ T10] addrconf_add_dev+0xe2/0x170 [ 5689.754542][ T10] inet6_addr_add+0x12f/0xa40 [ 5689.754542][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5689.754542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.754542][ T10] netlink_rcv_skb+0x130/0x360 [ 5689.754542][ T10] netlink_unicast+0x449/0x710 [ 5689.754542][ T10] netlink_sendmsg+0x723/0xbe0 [ 5689.754542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5689.754542][ T10] ___sys_sendmsg+0xee/0x170 [ 5689.754542][ T10] __sys_sendmsg+0xcd/0x170 [ 5689.754542][ T10] do_syscall_64+0xc6/0x1e0 [ 5689.754542][ T10] [ 5689.756591][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5689.756591][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5689.756591][ T10] ipv6_find_idev+0x102/0x170 [ 5689.756591][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5689.756591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.756591][ T10] netlink_rcv_skb+0x130/0x360 [ 5689.756591][ T10] netlink_unicast+0x449/0x710 [ 5689.756591][ T10] netlink_sendmsg+0x723/0xbe0 [ 5689.756591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5689.756591][ T10] ___sys_sendmsg+0xee/0x170 [ 5689.756591][ T10] __sys_sendmsg+0xcd/0x170 [ 5689.756591][ T10] do_syscall_64+0xc6/0x1e0 [ 5689.756591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.756591][ T10] [ 5689.758213][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5689.758213][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5689.758213][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5689.758213][ T10] ipv6_find_idev+0x102/0x170 [ 5689.758213][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5689.758213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5689.758213][ T10] netlink_rcv_skb+0x130/0x360 [ 5689.758213][ T10] netlink_unicast+0x449/0x710 [ 5689.758213][ T10] netlink_sendmsg+0x723/0xbe0 [ 5689.758213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5689.758213][ T10] ___sys_sendmsg+0xee/0x170 [ 5689.758213][ T10] __sys_sendmsg+0xcd/0x170 [ 5689.758213][ T10] do_syscall_64+0xc6/0x1e0 [ 5689.758213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5689.758213][ T10] [ 5691.089114][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5691.089619][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5691.089619][ T1167] dst_init+0x84/0x4a0 [ 5691.089619][ T1167] dst_alloc+0x97/0x150 [ 5691.089619][ T1167] ip6_dst_alloc+0x23/0x90 [ 5691.089619][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5691.089619][ T1167] ip6_pol_route+0x56f/0x840 [ 5691.089619][ T1167] fib6_rule_lookup+0x334/0x630 [ 5691.089619][ T1167] ip6_route_output_flags+0x259/0x480 [ 5691.089619][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5691.089619][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5691.089619][ T1167] netlink_rcv_skb+0x130/0x360 [ 5691.089619][ T1167] netlink_unicast+0x449/0x710 [ 5691.089619][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5691.089619][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5691.089619][ T1167] ___sys_sendmsg+0xee/0x170 [ 5691.089619][ T1167] __sys_sendmsg+0xcd/0x170 [ 5691.089619][ T1167] do_syscall_64+0xc6/0x1e0 [ 5691.089619][ T1167] [ 5691.091853][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5691.091853][ T1167] netdev_get_by_index+0x5e/0x80 [ 5691.091853][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5691.091853][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5691.091853][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5691.091853][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5691.091853][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5691.091853][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5691.091853][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5691.091853][ T1167] addrconf_dad_begin+0x310/0x670 [ 5691.091853][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5691.091853][ T1167] process_one_work+0x84d/0x18a0 [ 5691.091853][ T1167] worker_thread+0x587/0xd30 [ 5691.091853][ T1167] kthread+0x28a/0x350 [ 5691.091853][ T1167] ret_from_fork+0x31/0x70 [ 5691.091853][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5691.091853][ T1167] [ 5691.094046][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5691.094046][ T1167] netdev_get_by_index+0x5e/0x80 [ 5691.094046][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5691.094046][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5691.094046][ T1167] ip6_route_add+0x1c/0x140 [ 5691.094046][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5691.094046][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5691.094046][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5691.094046][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5691.094046][ T1167] netlink_rcv_skb+0x130/0x360 [ 5691.094046][ T1167] netlink_unicast+0x449/0x710 [ 5691.094046][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5691.094046][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5691.094046][ T1167] ___sys_sendmsg+0xee/0x170 [ 5691.094046][ T1167] __sys_sendmsg+0xcd/0x170 [ 5691.094046][ T1167] do_syscall_64+0xc6/0x1e0 [ 5691.094046][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5691.094046][ T1167] [ 5691.096416][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5691.096416][ T1167] netdev_get_by_index+0x5e/0x80 [ 5691.096416][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5691.096416][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5691.096416][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5691.096416][ T1167] ipv6_add_addr+0x411/0x2000 [ 5691.096416][ T1167] inet6_addr_add+0x30e/0xa40 [ 5691.096416][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5691.096416][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5691.096416][ T1167] netlink_rcv_skb+0x130/0x360 [ 5691.096416][ T1167] netlink_unicast+0x449/0x710 [ 5691.096416][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5691.096416][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5691.096416][ T1167] ___sys_sendmsg+0xee/0x170 [ 5691.096416][ T1167] __sys_sendmsg+0xcd/0x170 [ 5691.096416][ T1167] do_syscall_64+0xc6/0x1e0 [ 5691.096416][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5691.096416][ T1167] [ 5691.098706][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5691.098706][ T1167] netdev_get_by_index+0x5e/0x80 [ 5691.098706][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5691.098706][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5691.098706][ T1167] ip6_route_add+0x1c/0x140 [ 5691.098706][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5691.098706][ T1167] addrconf_add_dev+0xe2/0x170 [ 5691.098706][ T1167] inet6_addr_add+0x12f/0xa40 [ 5691.098706][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5691.098706][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5691.098706][ T1167] netlink_rcv_skb+0x130/0x360 [ 5691.098706][ T1167] netlink_unicast+0x449/0x710 [ 5691.098706][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5691.098706][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5691.098706][ T1167] ___sys_sendmsg+0xee/0x170 [ 5691.098706][ T1167] __sys_sendmsg+0xcd/0x170 [ 5691.098706][ T1167] do_syscall_64+0xc6/0x1e0 [ 5691.098706][ T1167] [ 5691.100946][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5691.100946][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5691.100946][ T1167] ipv6_find_idev+0x102/0x170 [ 5691.100946][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5691.100946][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5691.100946][ T1167] netlink_rcv_skb+0x130/0x360 [ 5691.100946][ T1167] netlink_unicast+0x449/0x710 [ 5691.100946][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5691.100946][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5691.100946][ T1167] ___sys_sendmsg+0xee/0x170 [ 5691.100946][ T1167] __sys_sendmsg+0xcd/0x170 [ 5691.100946][ T1167] do_syscall_64+0xc6/0x1e0 [ 5691.100946][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5691.100946][ T1167] [ 5691.102706][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5691.102706][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5691.102706][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5691.102706][ T1167] ipv6_find_idev+0x102/0x170 [ 5691.102706][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5691.102706][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5691.102706][ T1167] netlink_rcv_skb+0x130/0x360 [ 5691.102706][ T1167] netlink_unicast+0x449/0x710 [ 5691.102706][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5691.102706][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5691.102706][ T1167] ___sys_sendmsg+0xee/0x170 [ 5691.102706][ T1167] __sys_sendmsg+0xcd/0x170 [ 5691.102706][ T1167] do_syscall_64+0xc6/0x1e0 [ 5691.102706][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5691.102706][ T1167] [ 5700.001037][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5700.001447][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5700.001447][ T10] netdev_get_by_index+0x5e/0x80 [ 5700.001447][ T10] fib6_nh_init+0x3d8/0x1580 [ 5700.001447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5700.001447][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5700.001447][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5700.001447][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5700.001447][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5700.001447][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5700.001447][ T10] addrconf_dad_begin+0x310/0x670 [ 5700.001447][ T10] addrconf_dad_work+0x10b/0xab0 [ 5700.001447][ T10] process_one_work+0x84d/0x18a0 [ 5700.001447][ T10] worker_thread+0x587/0xd30 [ 5700.001447][ T10] kthread+0x28a/0x350 [ 5700.001447][ T10] ret_from_fork+0x31/0x70 [ 5700.001447][ T10] ret_from_fork_asm+0x1a/0x30 [ 5700.001447][ T10] [ 5700.003412][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5700.003412][ T10] netdev_get_by_index+0x5e/0x80 [ 5700.003412][ T10] fib6_nh_init+0x3d8/0x1580 [ 5700.003412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5700.003412][ T10] ip6_route_add+0x1c/0x140 [ 5700.003412][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5700.003412][ T10] inet6_addr_add+0x4f8/0xa40 [ 5700.003412][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5700.003412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.003412][ T10] netlink_rcv_skb+0x130/0x360 [ 5700.003412][ T10] netlink_unicast+0x449/0x710 [ 5700.003412][ T10] netlink_sendmsg+0x723/0xbe0 [ 5700.003412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5700.003412][ T10] ___sys_sendmsg+0xee/0x170 [ 5700.003412][ T10] __sys_sendmsg+0xcd/0x170 [ 5700.003412][ T10] do_syscall_64+0xc6/0x1e0 [ 5700.003412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.003412][ T10] [ 5700.005434][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5700.005434][ T10] netdev_get_by_index+0x5e/0x80 [ 5700.005434][ T10] fib6_nh_init+0x3d8/0x1580 [ 5700.005434][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5700.005434][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5700.005434][ T10] ipv6_add_addr+0x411/0x2000 [ 5700.005434][ T10] inet6_addr_add+0x30e/0xa40 [ 5700.005434][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5700.005434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.005434][ T10] netlink_rcv_skb+0x130/0x360 [ 5700.005434][ T10] netlink_unicast+0x449/0x710 [ 5700.005434][ T10] netlink_sendmsg+0x723/0xbe0 [ 5700.005434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5700.005434][ T10] ___sys_sendmsg+0xee/0x170 [ 5700.005434][ T10] __sys_sendmsg+0xcd/0x170 [ 5700.005434][ T10] do_syscall_64+0xc6/0x1e0 [ 5700.005434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.005434][ T10] [ 5700.007461][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5700.007461][ T10] netdev_get_by_index+0x5e/0x80 [ 5700.007461][ T10] fib6_nh_init+0x3d8/0x1580 [ 5700.007461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5700.007461][ T10] ip6_route_add+0x1c/0x140 [ 5700.007461][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5700.007461][ T10] addrconf_add_dev+0xe2/0x170 [ 5700.007461][ T10] inet6_addr_add+0x12f/0xa40 [ 5700.007461][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5700.007461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.007461][ T10] netlink_rcv_skb+0x130/0x360 [ 5700.007461][ T10] netlink_unicast+0x449/0x710 [ 5700.007461][ T10] netlink_sendmsg+0x723/0xbe0 [ 5700.007461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5700.007461][ T10] ___sys_sendmsg+0xee/0x170 [ 5700.007461][ T10] __sys_sendmsg+0xcd/0x170 [ 5700.007461][ T10] do_syscall_64+0xc6/0x1e0 [ 5700.007461][ T10] [ 5700.009438][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5700.009438][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5700.009438][ T10] ipv6_find_idev+0x102/0x170 [ 5700.009438][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5700.009438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.009438][ T10] netlink_rcv_skb+0x130/0x360 [ 5700.009438][ T10] netlink_unicast+0x449/0x710 [ 5700.009438][ T10] netlink_sendmsg+0x723/0xbe0 [ 5700.009438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5700.009438][ T10] ___sys_sendmsg+0xee/0x170 [ 5700.009438][ T10] __sys_sendmsg+0xcd/0x170 [ 5700.009438][ T10] do_syscall_64+0xc6/0x1e0 [ 5700.009438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.009438][ T10] [ 5700.010995][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5700.010995][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5700.010995][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5700.010995][ T10] ipv6_find_idev+0x102/0x170 [ 5700.010995][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5700.010995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.010995][ T10] netlink_rcv_skb+0x130/0x360 [ 5700.010995][ T10] netlink_unicast+0x449/0x710 [ 5700.010995][ T10] netlink_sendmsg+0x723/0xbe0 [ 5700.010995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5700.010995][ T10] ___sys_sendmsg+0xee/0x170 [ 5700.010995][ T10] __sys_sendmsg+0xcd/0x170 [ 5700.010995][ T10] do_syscall_64+0xc6/0x1e0 [ 5700.010995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.010995][ T10] [ 5700.012706][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5700.012985][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5700.012985][ T10] netdev_get_by_index+0x5e/0x80 [ 5700.012985][ T10] fib6_nh_init+0x3d8/0x1580 [ 5700.012985][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5700.012985][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5700.012985][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5700.012985][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5700.012985][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5700.012985][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5700.012985][ T10] addrconf_dad_begin+0x310/0x670 [ 5700.012985][ T10] addrconf_dad_work+0x10b/0xab0 [ 5700.012985][ T10] process_one_work+0x84d/0x18a0 [ 5700.012985][ T10] worker_thread+0x587/0xd30 [ 5700.012985][ T10] kthread+0x28a/0x350 [ 5700.012985][ T10] ret_from_fork+0x31/0x70 [ 5700.012985][ T10] ret_from_fork_asm+0x1a/0x30 [ 5700.012985][ T10] [ 5700.014910][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5700.014910][ T10] netdev_get_by_index+0x5e/0x80 [ 5700.014910][ T10] fib6_nh_init+0x3d8/0x1580 [ 5700.014910][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5700.014910][ T10] ip6_route_add+0x1c/0x140 [ 5700.014910][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5700.014910][ T10] inet6_addr_add+0x4f8/0xa40 [ 5700.014910][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5700.014910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.014910][ T10] netlink_rcv_skb+0x130/0x360 [ 5700.014910][ T10] netlink_unicast+0x449/0x710 [ 5700.014910][ T10] netlink_sendmsg+0x723/0xbe0 [ 5700.014910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5700.014910][ T10] ___sys_sendmsg+0xee/0x170 [ 5700.014910][ T10] __sys_sendmsg+0xcd/0x170 [ 5700.014910][ T10] do_syscall_64+0xc6/0x1e0 [ 5700.014910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.014910][ T10] [ 5700.016932][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5700.016932][ T10] netdev_get_by_index+0x5e/0x80 [ 5700.016932][ T10] fib6_nh_init+0x3d8/0x1580 [ 5700.016932][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5700.016932][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5700.016932][ T10] ipv6_add_addr+0x411/0x2000 [ 5700.016932][ T10] inet6_addr_add+0x30e/0xa40 [ 5700.016932][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5700.016932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.016932][ T10] netlink_rcv_skb+0x130/0x360 [ 5700.016932][ T10] netlink_unicast+0x449/0x710 [ 5700.016932][ T10] netlink_sendmsg+0x723/0xbe0 [ 5700.016932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5700.016932][ T10] ___sys_sendmsg+0xee/0x170 [ 5700.016932][ T10] __sys_sendmsg+0xcd/0x170 [ 5700.016932][ T10] do_syscall_64+0xc6/0x1e0 [ 5700.016932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.016932][ T10] [ 5700.018934][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5700.018934][ T10] netdev_get_by_index+0x5e/0x80 [ 5700.018934][ T10] fib6_nh_init+0x3d8/0x1580 [ 5700.018934][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5700.018934][ T10] ip6_route_add+0x1c/0x140 [ 5700.018934][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5700.018934][ T10] addrconf_add_dev+0xe2/0x170 [ 5700.018934][ T10] inet6_addr_add+0x12f/0xa40 [ 5700.018934][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5700.018934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.018934][ T10] netlink_rcv_skb+0x130/0x360 [ 5700.018934][ T10] netlink_unicast+0x449/0x710 [ 5700.018934][ T10] netlink_sendmsg+0x723/0xbe0 [ 5700.018934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5700.018934][ T10] ___sys_sendmsg+0xee/0x170 [ 5700.018934][ T10] __sys_sendmsg+0xcd/0x170 [ 5700.018934][ T10] do_syscall_64+0xc6/0x1e0 [ 5700.018934][ T10] [ 5700.020923][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5700.020923][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5700.020923][ T10] ipv6_find_idev+0x102/0x170 [ 5700.020923][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5700.020923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.020923][ T10] netlink_rcv_skb+0x130/0x360 [ 5700.020923][ T10] netlink_unicast+0x449/0x710 [ 5700.020923][ T10] netlink_sendmsg+0x723/0xbe0 [ 5700.020923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5700.020923][ T10] ___sys_sendmsg+0xee/0x170 [ 5700.020923][ T10] __sys_sendmsg+0xcd/0x170 [ 5700.020923][ T10] do_syscall_64+0xc6/0x1e0 [ 5700.020923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.020923][ T10] [ 5700.022481][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5700.022481][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5700.022481][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5700.022481][ T10] ipv6_find_idev+0x102/0x170 [ 5700.022481][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5700.022481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.022481][ T10] netlink_rcv_skb+0x130/0x360 [ 5700.022481][ T10] netlink_unicast+0x449/0x710 [ 5700.022481][ T10] netlink_sendmsg+0x723/0xbe0 [ 5700.022481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5700.022481][ T10] ___sys_sendmsg+0xee/0x170 [ 5700.022481][ T10] __sys_sendmsg+0xcd/0x170 [ 5700.022481][ T10] do_syscall_64+0xc6/0x1e0 [ 5700.022481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.022481][ T10] [ 5700.024185][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5700.024436][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5700.024436][ T10] netdev_get_by_index+0x5e/0x80 [ 5700.024436][ T10] fib6_nh_init+0x3d8/0x1580 [ 5700.024436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5700.024436][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5700.024436][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5700.024436][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5700.024436][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5700.024436][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5700.024436][ T10] addrconf_dad_begin+0x310/0x670 [ 5700.024436][ T10] addrconf_dad_work+0x10b/0xab0 [ 5700.024436][ T10] process_one_work+0x84d/0x18a0 [ 5700.024436][ T10] worker_thread+0x587/0xd30 [ 5700.024436][ T10] kthread+0x28a/0x350 [ 5700.024436][ T10] ret_from_fork+0x31/0x70 [ 5700.024436][ T10] ret_from_fork_asm+0x1a/0x30 [ 5700.024436][ T10] [ 5700.026355][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5700.026355][ T10] netdev_get_by_index+0x5e/0x80 [ 5700.026355][ T10] fib6_nh_init+0x3d8/0x1580 [ 5700.026355][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5700.026355][ T10] ip6_route_add+0x1c/0x140 [ 5700.026355][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5700.026355][ T10] inet6_addr_add+0x4f8/0xa40 [ 5700.026355][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5700.026355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.026355][ T10] netlink_rcv_skb+0x130/0x360 [ 5700.026355][ T10] netlink_unicast+0x449/0x710 [ 5700.026355][ T10] netlink_sendmsg+0x723/0xbe0 [ 5700.026355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5700.026355][ T10] ___sys_sendmsg+0xee/0x170 [ 5700.026355][ T10] __sys_sendmsg+0xcd/0x170 [ 5700.026355][ T10] do_syscall_64+0xc6/0x1e0 [ 5700.026355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.026355][ T10] [ 5700.028496][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5700.028496][ T10] netdev_get_by_index+0x5e/0x80 [ 5700.028496][ T10] fib6_nh_init+0x3d8/0x1580 [ 5700.028496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5700.028496][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5700.028496][ T10] ipv6_add_addr+0x411/0x2000 [ 5700.028496][ T10] inet6_addr_add+0x30e/0xa40 [ 5700.028496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5700.028496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.028496][ T10] netlink_rcv_skb+0x130/0x360 [ 5700.028496][ T10] netlink_unicast+0x449/0x710 [ 5700.028496][ T10] netlink_sendmsg+0x723/0xbe0 [ 5700.028496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5700.028496][ T10] ___sys_sendmsg+0xee/0x170 [ 5700.028496][ T10] __sys_sendmsg+0xcd/0x170 [ 5700.028496][ T10] do_syscall_64+0xc6/0x1e0 [ 5700.028496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.028496][ T10] [ 5700.031217][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5700.031217][ T10] netdev_get_by_index+0x5e/0x80 [ 5700.031217][ T10] fib6_nh_init+0x3d8/0x1580 [ 5700.031217][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5700.031217][ T10] ip6_route_add+0x1c/0x140 [ 5700.031217][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5700.031217][ T10] addrconf_add_dev+0xe2/0x170 [ 5700.031217][ T10] inet6_addr_add+0x12f/0xa40 [ 5700.031217][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5700.031217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.031217][ T10] netlink_rcv_skb+0x130/0x360 [ 5700.031217][ T10] netlink_unicast+0x449/0x710 [ 5700.031217][ T10] netlink_sendmsg+0x723/0xbe0 [ 5700.031217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5700.031217][ T10] ___sys_sendmsg+0xee/0x170 [ 5700.031217][ T10] __sys_sendmsg+0xcd/0x170 [ 5700.031217][ T10] do_syscall_64+0xc6/0x1e0 [ 5700.031217][ T10] [ 5700.033330][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5700.033330][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5700.033330][ T10] ipv6_find_idev+0x102/0x170 [ 5700.033330][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5700.033330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.033330][ T10] netlink_rcv_skb+0x130/0x360 [ 5700.033330][ T10] netlink_unicast+0x449/0x710 [ 5700.033330][ T10] netlink_sendmsg+0x723/0xbe0 [ 5700.033330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5700.033330][ T10] ___sys_sendmsg+0xee/0x170 [ 5700.033330][ T10] __sys_sendmsg+0xcd/0x170 [ 5700.033330][ T10] do_syscall_64+0xc6/0x1e0 [ 5700.033330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.033330][ T10] [ 5700.034945][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5700.034945][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5700.034945][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5700.034945][ T10] ipv6_find_idev+0x102/0x170 [ 5700.034945][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5700.034945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.034945][ T10] netlink_rcv_skb+0x130/0x360 [ 5700.034945][ T10] netlink_unicast+0x449/0x710 [ 5700.034945][ T10] netlink_sendmsg+0x723/0xbe0 [ 5700.034945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5700.034945][ T10] ___sys_sendmsg+0xee/0x170 [ 5700.034945][ T10] __sys_sendmsg+0xcd/0x170 [ 5700.034945][ T10] do_syscall_64+0xc6/0x1e0 [ 5700.034945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.034945][ T10] [ 5700.036827][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5700.037501][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5700.037501][ T10] netdev_get_by_index+0x5e/0x80 [ 5700.037501][ T10] fib6_nh_init+0x3d8/0x1580 [ 5700.037501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5700.037501][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5700.037501][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5700.037501][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5700.037501][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5700.037501][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5700.037501][ T10] addrconf_dad_begin+0x310/0x670 [ 5700.037501][ T10] addrconf_dad_work+0x10b/0xab0 [ 5700.037501][ T10] process_one_work+0x84d/0x18a0 [ 5700.037501][ T10] worker_thread+0x587/0xd30 [ 5700.037501][ T10] kthread+0x28a/0x350 [ 5700.037501][ T10] ret_from_fork+0x31/0x70 [ 5700.037501][ T10] ret_from_fork_asm+0x1a/0x30 [ 5700.037501][ T10] [ 5700.039416][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5700.039416][ T10] netdev_get_by_index+0x5e/0x80 [ 5700.039416][ T10] fib6_nh_init+0x3d8/0x1580 [ 5700.039416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5700.039416][ T10] ip6_route_add+0x1c/0x140 [ 5700.039416][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5700.039416][ T10] inet6_addr_add+0x4f8/0xa40 [ 5700.039416][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5700.039416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.039416][ T10] netlink_rcv_skb+0x130/0x360 [ 5700.039416][ T10] netlink_unicast+0x449/0x710 [ 5700.039416][ T10] netlink_sendmsg+0x723/0xbe0 [ 5700.039416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5700.039416][ T10] ___sys_sendmsg+0xee/0x170 [ 5700.039416][ T10] __sys_sendmsg+0xcd/0x170 [ 5700.039416][ T10] do_syscall_64+0xc6/0x1e0 [ 5700.039416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.039416][ T10] [ 5700.041495][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5700.041495][ T10] netdev_get_by_index+0x5e/0x80 [ 5700.041495][ T10] fib6_nh_init+0x3d8/0x1580 [ 5700.041495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5700.041495][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5700.041495][ T10] ipv6_add_addr+0x411/0x2000 [ 5700.041495][ T10] inet6_addr_add+0x30e/0xa40 [ 5700.041495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5700.041495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.041495][ T10] netlink_rcv_skb+0x130/0x360 [ 5700.041495][ T10] netlink_unicast+0x449/0x710 [ 5700.041495][ T10] netlink_sendmsg+0x723/0xbe0 [ 5700.041495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5700.041495][ T10] ___sys_sendmsg+0xee/0x170 [ 5700.041495][ T10] __sys_sendmsg+0xcd/0x170 [ 5700.041495][ T10] do_syscall_64+0xc6/0x1e0 [ 5700.041495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.041495][ T10] [ 5700.043634][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5700.043634][ T10] netdev_get_by_index+0x5e/0x80 [ 5700.043634][ T10] fib6_nh_init+0x3d8/0x1580 [ 5700.043634][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5700.043634][ T10] ip6_route_add+0x1c/0x140 [ 5700.043634][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5700.043634][ T10] addrconf_add_dev+0xe2/0x170 [ 5700.043634][ T10] inet6_addr_add+0x12f/0xa40 [ 5700.043634][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5700.043634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.043634][ T10] netlink_rcv_skb+0x130/0x360 [ 5700.043634][ T10] netlink_unicast+0x449/0x710 [ 5700.043634][ T10] netlink_sendmsg+0x723/0xbe0 [ 5700.043634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5700.043634][ T10] ___sys_sendmsg+0xee/0x170 [ 5700.043634][ T10] __sys_sendmsg+0xcd/0x170 [ 5700.043634][ T10] do_syscall_64+0xc6/0x1e0 [ 5700.043634][ T10] [ 5700.045741][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5700.045741][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5700.045741][ T10] ipv6_find_idev+0x102/0x170 [ 5700.045741][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5700.045741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.045741][ T10] netlink_rcv_skb+0x130/0x360 [ 5700.045741][ T10] netlink_unicast+0x449/0x710 [ 5700.045741][ T10] netlink_sendmsg+0x723/0xbe0 [ 5700.045741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5700.045741][ T10] ___sys_sendmsg+0xee/0x170 [ 5700.045741][ T10] __sys_sendmsg+0xcd/0x170 [ 5700.045741][ T10] do_syscall_64+0xc6/0x1e0 [ 5700.045741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.045741][ T10] [ 5700.047339][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5700.047339][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5700.047339][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5700.047339][ T10] ipv6_find_idev+0x102/0x170 [ 5700.047339][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5700.047339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5700.047339][ T10] netlink_rcv_skb+0x130/0x360 [ 5700.047339][ T10] netlink_unicast+0x449/0x710 [ 5700.047339][ T10] netlink_sendmsg+0x723/0xbe0 [ 5700.047339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5700.047339][ T10] ___sys_sendmsg+0xee/0x170 [ 5700.047339][ T10] __sys_sendmsg+0xcd/0x170 [ 5700.047339][ T10] do_syscall_64+0xc6/0x1e0 [ 5700.047339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5700.047339][ T10] [ 5701.345038][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5701.345902][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5701.345902][ T1167] dst_init+0x84/0x4a0 [ 5701.345902][ T1167] dst_alloc+0x97/0x150 [ 5701.345902][ T1167] ip6_dst_alloc+0x23/0x90 [ 5701.345902][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5701.345902][ T1167] ip6_pol_route+0x56f/0x840 [ 5701.345902][ T1167] fib6_rule_lookup+0x334/0x630 [ 5701.345902][ T1167] ip6_route_output_flags+0x259/0x480 [ 5701.345902][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5701.345902][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5701.345902][ T1167] netlink_rcv_skb+0x130/0x360 [ 5701.345902][ T1167] netlink_unicast+0x449/0x710 [ 5701.345902][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5701.345902][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5701.345902][ T1167] ___sys_sendmsg+0xee/0x170 [ 5701.345902][ T1167] __sys_sendmsg+0xcd/0x170 [ 5701.345902][ T1167] do_syscall_64+0xc6/0x1e0 [ 5701.345902][ T1167] [ 5701.348125][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5701.348125][ T1167] netdev_get_by_index+0x5e/0x80 [ 5701.348125][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5701.348125][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5701.348125][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5701.348125][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5701.348125][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5701.348125][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5701.348125][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5701.348125][ T1167] addrconf_dad_begin+0x310/0x670 [ 5701.348125][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5701.348125][ T1167] process_one_work+0x84d/0x18a0 [ 5701.348125][ T1167] worker_thread+0x587/0xd30 [ 5701.348125][ T1167] kthread+0x28a/0x350 [ 5701.348125][ T1167] ret_from_fork+0x31/0x70 [ 5701.348125][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5701.348125][ T1167] [ 5701.350280][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5701.350280][ T1167] netdev_get_by_index+0x5e/0x80 [ 5701.350280][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5701.350280][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5701.350280][ T1167] ip6_route_add+0x1c/0x140 [ 5701.350280][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5701.350280][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5701.350280][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5701.350280][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5701.350280][ T1167] netlink_rcv_skb+0x130/0x360 [ 5701.350280][ T1167] netlink_unicast+0x449/0x710 [ 5701.350280][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5701.350280][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5701.350280][ T1167] ___sys_sendmsg+0xee/0x170 [ 5701.350280][ T1167] __sys_sendmsg+0xcd/0x170 [ 5701.350280][ T1167] do_syscall_64+0xc6/0x1e0 [ 5701.350280][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5701.350280][ T1167] [ 5701.352552][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5701.352552][ T1167] netdev_get_by_index+0x5e/0x80 [ 5701.352552][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5701.352552][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5701.352552][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5701.352552][ T1167] ipv6_add_addr+0x411/0x2000 [ 5701.352552][ T1167] inet6_addr_add+0x30e/0xa40 [ 5701.352552][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5701.352552][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5701.352552][ T1167] netlink_rcv_skb+0x130/0x360 [ 5701.352552][ T1167] netlink_unicast+0x449/0x710 [ 5701.352552][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5701.352552][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5701.352552][ T1167] ___sys_sendmsg+0xee/0x170 [ 5701.352552][ T1167] __sys_sendmsg+0xcd/0x170 [ 5701.352552][ T1167] do_syscall_64+0xc6/0x1e0 [ 5701.352552][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5701.352552][ T1167] [ 5701.354806][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5701.354806][ T1167] netdev_get_by_index+0x5e/0x80 [ 5701.354806][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5701.354806][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5701.354806][ T1167] ip6_route_add+0x1c/0x140 [ 5701.354806][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5701.354806][ T1167] addrconf_add_dev+0xe2/0x170 [ 5701.354806][ T1167] inet6_addr_add+0x12f/0xa40 [ 5701.354806][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5701.354806][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5701.354806][ T1167] netlink_rcv_skb+0x130/0x360 [ 5701.354806][ T1167] netlink_unicast+0x449/0x710 [ 5701.354806][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5701.354806][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5701.354806][ T1167] ___sys_sendmsg+0xee/0x170 [ 5701.354806][ T1167] __sys_sendmsg+0xcd/0x170 [ 5701.354806][ T1167] do_syscall_64+0xc6/0x1e0 [ 5701.354806][ T1167] [ 5701.357036][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5701.357036][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5701.357036][ T1167] ipv6_find_idev+0x102/0x170 [ 5701.357036][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5701.357036][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5701.357036][ T1167] netlink_rcv_skb+0x130/0x360 [ 5701.357036][ T1167] netlink_unicast+0x449/0x710 [ 5701.357036][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5701.357036][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5701.357036][ T1167] ___sys_sendmsg+0xee/0x170 [ 5701.357036][ T1167] __sys_sendmsg+0xcd/0x170 [ 5701.357036][ T1167] do_syscall_64+0xc6/0x1e0 [ 5701.357036][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5701.357036][ T1167] [ 5701.358764][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5701.358764][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5701.358764][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5701.358764][ T1167] ipv6_find_idev+0x102/0x170 [ 5701.358764][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5701.358764][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5701.358764][ T1167] netlink_rcv_skb+0x130/0x360 [ 5701.358764][ T1167] netlink_unicast+0x449/0x710 [ 5701.358764][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5701.358764][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5701.358764][ T1167] ___sys_sendmsg+0xee/0x170 [ 5701.358764][ T1167] __sys_sendmsg+0xcd/0x170 [ 5701.358764][ T1167] do_syscall_64+0xc6/0x1e0 [ 5701.358764][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5701.358764][ T1167] [ 5710.289041][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5710.289462][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5710.289462][ T10] netdev_get_by_index+0x5e/0x80 [ 5710.289462][ T10] fib6_nh_init+0x3d8/0x1580 [ 5710.289462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5710.289462][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5710.289462][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5710.289462][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5710.289462][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5710.289462][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5710.289462][ T10] addrconf_dad_begin+0x310/0x670 [ 5710.289462][ T10] addrconf_dad_work+0x10b/0xab0 [ 5710.289462][ T10] process_one_work+0x84d/0x18a0 [ 5710.289462][ T10] worker_thread+0x587/0xd30 [ 5710.289462][ T10] kthread+0x28a/0x350 [ 5710.289462][ T10] ret_from_fork+0x31/0x70 [ 5710.289462][ T10] ret_from_fork_asm+0x1a/0x30 [ 5710.289462][ T10] [ 5710.291413][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5710.291413][ T10] netdev_get_by_index+0x5e/0x80 [ 5710.291413][ T10] fib6_nh_init+0x3d8/0x1580 [ 5710.291413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5710.291413][ T10] ip6_route_add+0x1c/0x140 [ 5710.291413][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5710.291413][ T10] inet6_addr_add+0x4f8/0xa40 [ 5710.291413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5710.291413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.291413][ T10] netlink_rcv_skb+0x130/0x360 [ 5710.291413][ T10] netlink_unicast+0x449/0x710 [ 5710.291413][ T10] netlink_sendmsg+0x723/0xbe0 [ 5710.291413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5710.291413][ T10] ___sys_sendmsg+0xee/0x170 [ 5710.291413][ T10] __sys_sendmsg+0xcd/0x170 [ 5710.291413][ T10] do_syscall_64+0xc6/0x1e0 [ 5710.291413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.291413][ T10] [ 5710.293449][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5710.293449][ T10] netdev_get_by_index+0x5e/0x80 [ 5710.293449][ T10] fib6_nh_init+0x3d8/0x1580 [ 5710.293449][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5710.293449][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5710.293449][ T10] ipv6_add_addr+0x411/0x2000 [ 5710.293449][ T10] inet6_addr_add+0x30e/0xa40 [ 5710.293449][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5710.293449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.293449][ T10] netlink_rcv_skb+0x130/0x360 [ 5710.293449][ T10] netlink_unicast+0x449/0x710 [ 5710.293449][ T10] netlink_sendmsg+0x723/0xbe0 [ 5710.293449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5710.293449][ T10] ___sys_sendmsg+0xee/0x170 [ 5710.293449][ T10] __sys_sendmsg+0xcd/0x170 [ 5710.293449][ T10] do_syscall_64+0xc6/0x1e0 [ 5710.293449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.293449][ T10] [ 5710.295445][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5710.295445][ T10] netdev_get_by_index+0x5e/0x80 [ 5710.295445][ T10] fib6_nh_init+0x3d8/0x1580 [ 5710.295445][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5710.295445][ T10] ip6_route_add+0x1c/0x140 [ 5710.295445][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5710.295445][ T10] addrconf_add_dev+0xe2/0x170 [ 5710.295445][ T10] inet6_addr_add+0x12f/0xa40 [ 5710.295445][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5710.295445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.295445][ T10] netlink_rcv_skb+0x130/0x360 [ 5710.295445][ T10] netlink_unicast+0x449/0x710 [ 5710.295445][ T10] netlink_sendmsg+0x723/0xbe0 [ 5710.295445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5710.295445][ T10] ___sys_sendmsg+0xee/0x170 [ 5710.295445][ T10] __sys_sendmsg+0xcd/0x170 [ 5710.295445][ T10] do_syscall_64+0xc6/0x1e0 [ 5710.295445][ T10] [ 5710.297416][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5710.297416][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5710.297416][ T10] ipv6_find_idev+0x102/0x170 [ 5710.297416][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5710.297416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.297416][ T10] netlink_rcv_skb+0x130/0x360 [ 5710.297416][ T10] netlink_unicast+0x449/0x710 [ 5710.297416][ T10] netlink_sendmsg+0x723/0xbe0 [ 5710.297416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5710.297416][ T10] ___sys_sendmsg+0xee/0x170 [ 5710.297416][ T10] __sys_sendmsg+0xcd/0x170 [ 5710.297416][ T10] do_syscall_64+0xc6/0x1e0 [ 5710.297416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.297416][ T10] [ 5710.298951][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5710.298951][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5710.298951][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5710.298951][ T10] ipv6_find_idev+0x102/0x170 [ 5710.298951][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5710.298951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.298951][ T10] netlink_rcv_skb+0x130/0x360 [ 5710.298951][ T10] netlink_unicast+0x449/0x710 [ 5710.298951][ T10] netlink_sendmsg+0x723/0xbe0 [ 5710.298951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5710.298951][ T10] ___sys_sendmsg+0xee/0x170 [ 5710.298951][ T10] __sys_sendmsg+0xcd/0x170 [ 5710.298951][ T10] do_syscall_64+0xc6/0x1e0 [ 5710.298951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.298951][ T10] [ 5710.300641][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5710.300883][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5710.300883][ T10] netdev_get_by_index+0x5e/0x80 [ 5710.300883][ T10] fib6_nh_init+0x3d8/0x1580 [ 5710.300883][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5710.300883][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5710.300883][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5710.300883][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5710.300883][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5710.300883][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5710.300883][ T10] addrconf_dad_begin+0x310/0x670 [ 5710.300883][ T10] addrconf_dad_work+0x10b/0xab0 [ 5710.300883][ T10] process_one_work+0x84d/0x18a0 [ 5710.300883][ T10] worker_thread+0x587/0xd30 [ 5710.300883][ T10] kthread+0x28a/0x350 [ 5710.300883][ T10] ret_from_fork+0x31/0x70 [ 5710.300883][ T10] ret_from_fork_asm+0x1a/0x30 [ 5710.300883][ T10] [ 5710.302807][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5710.302807][ T10] netdev_get_by_index+0x5e/0x80 [ 5710.302807][ T10] fib6_nh_init+0x3d8/0x1580 [ 5710.302807][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5710.302807][ T10] ip6_route_add+0x1c/0x140 [ 5710.302807][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5710.302807][ T10] inet6_addr_add+0x4f8/0xa40 [ 5710.302807][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5710.302807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.302807][ T10] netlink_rcv_skb+0x130/0x360 [ 5710.302807][ T10] netlink_unicast+0x449/0x710 [ 5710.302807][ T10] netlink_sendmsg+0x723/0xbe0 [ 5710.302807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5710.302807][ T10] ___sys_sendmsg+0xee/0x170 [ 5710.302807][ T10] __sys_sendmsg+0xcd/0x170 [ 5710.302807][ T10] do_syscall_64+0xc6/0x1e0 [ 5710.302807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.302807][ T10] [ 5710.304806][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5710.304806][ T10] netdev_get_by_index+0x5e/0x80 [ 5710.304806][ T10] fib6_nh_init+0x3d8/0x1580 [ 5710.304806][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5710.304806][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5710.304806][ T10] ipv6_add_addr+0x411/0x2000 [ 5710.304806][ T10] inet6_addr_add+0x30e/0xa40 [ 5710.304806][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5710.304806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.304806][ T10] netlink_rcv_skb+0x130/0x360 [ 5710.304806][ T10] netlink_unicast+0x449/0x710 [ 5710.304806][ T10] netlink_sendmsg+0x723/0xbe0 [ 5710.304806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5710.304806][ T10] ___sys_sendmsg+0xee/0x170 [ 5710.304806][ T10] __sys_sendmsg+0xcd/0x170 [ 5710.304806][ T10] do_syscall_64+0xc6/0x1e0 [ 5710.304806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.304806][ T10] [ 5710.306798][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5710.306798][ T10] netdev_get_by_index+0x5e/0x80 [ 5710.306798][ T10] fib6_nh_init+0x3d8/0x1580 [ 5710.306798][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5710.306798][ T10] ip6_route_add+0x1c/0x140 [ 5710.306798][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5710.306798][ T10] addrconf_add_dev+0xe2/0x170 [ 5710.306798][ T10] inet6_addr_add+0x12f/0xa40 [ 5710.306798][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5710.306798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.306798][ T10] netlink_rcv_skb+0x130/0x360 [ 5710.306798][ T10] netlink_unicast+0x449/0x710 [ 5710.306798][ T10] netlink_sendmsg+0x723/0xbe0 [ 5710.306798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5710.306798][ T10] ___sys_sendmsg+0xee/0x170 [ 5710.306798][ T10] __sys_sendmsg+0xcd/0x170 [ 5710.306798][ T10] do_syscall_64+0xc6/0x1e0 [ 5710.306798][ T10] [ 5710.308773][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5710.308773][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5710.308773][ T10] ipv6_find_idev+0x102/0x170 [ 5710.308773][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5710.308773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.308773][ T10] netlink_rcv_skb+0x130/0x360 [ 5710.308773][ T10] netlink_unicast+0x449/0x710 [ 5710.308773][ T10] netlink_sendmsg+0x723/0xbe0 [ 5710.308773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5710.308773][ T10] ___sys_sendmsg+0xee/0x170 [ 5710.308773][ T10] __sys_sendmsg+0xcd/0x170 [ 5710.308773][ T10] do_syscall_64+0xc6/0x1e0 [ 5710.308773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.308773][ T10] [ 5710.310304][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5710.310304][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5710.310304][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5710.310304][ T10] ipv6_find_idev+0x102/0x170 [ 5710.310304][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5710.310304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.310304][ T10] netlink_rcv_skb+0x130/0x360 [ 5710.310304][ T10] netlink_unicast+0x449/0x710 [ 5710.310304][ T10] netlink_sendmsg+0x723/0xbe0 [ 5710.310304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5710.310304][ T10] ___sys_sendmsg+0xee/0x170 [ 5710.310304][ T10] __sys_sendmsg+0xcd/0x170 [ 5710.310304][ T10] do_syscall_64+0xc6/0x1e0 [ 5710.310304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.310304][ T10] [ 5710.312012][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5710.312251][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5710.312251][ T10] netdev_get_by_index+0x5e/0x80 [ 5710.312251][ T10] fib6_nh_init+0x3d8/0x1580 [ 5710.312251][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5710.312251][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5710.312251][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5710.312251][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5710.312251][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5710.312251][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5710.312251][ T10] addrconf_dad_begin+0x310/0x670 [ 5710.312251][ T10] addrconf_dad_work+0x10b/0xab0 [ 5710.312251][ T10] process_one_work+0x84d/0x18a0 [ 5710.312251][ T10] worker_thread+0x587/0xd30 [ 5710.312251][ T10] kthread+0x28a/0x350 [ 5710.312251][ T10] ret_from_fork+0x31/0x70 [ 5710.312251][ T10] ret_from_fork_asm+0x1a/0x30 [ 5710.312251][ T10] [ 5710.314171][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5710.314171][ T10] netdev_get_by_index+0x5e/0x80 [ 5710.314171][ T10] fib6_nh_init+0x3d8/0x1580 [ 5710.314171][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5710.314171][ T10] ip6_route_add+0x1c/0x140 [ 5710.314171][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5710.314171][ T10] inet6_addr_add+0x4f8/0xa40 [ 5710.314171][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5710.314171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.314171][ T10] netlink_rcv_skb+0x130/0x360 [ 5710.314171][ T10] netlink_unicast+0x449/0x710 [ 5710.314171][ T10] netlink_sendmsg+0x723/0xbe0 [ 5710.314171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5710.314171][ T10] ___sys_sendmsg+0xee/0x170 [ 5710.314171][ T10] __sys_sendmsg+0xcd/0x170 [ 5710.314171][ T10] do_syscall_64+0xc6/0x1e0 [ 5710.314171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.314171][ T10] [ 5710.316314][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5710.316314][ T10] netdev_get_by_index+0x5e/0x80 [ 5710.316314][ T10] fib6_nh_init+0x3d8/0x1580 [ 5710.316314][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5710.316314][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5710.316314][ T10] ipv6_add_addr+0x411/0x2000 [ 5710.316314][ T10] inet6_addr_add+0x30e/0xa40 [ 5710.316314][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5710.316314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.316314][ T10] netlink_rcv_skb+0x130/0x360 [ 5710.316314][ T10] netlink_unicast+0x449/0x710 [ 5710.316314][ T10] netlink_sendmsg+0x723/0xbe0 [ 5710.316314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5710.316314][ T10] ___sys_sendmsg+0xee/0x170 [ 5710.316314][ T10] __sys_sendmsg+0xcd/0x170 [ 5710.316314][ T10] do_syscall_64+0xc6/0x1e0 [ 5710.316314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.316314][ T10] [ 5710.318442][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5710.318442][ T10] netdev_get_by_index+0x5e/0x80 [ 5710.318442][ T10] fib6_nh_init+0x3d8/0x1580 [ 5710.318442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5710.318442][ T10] ip6_route_add+0x1c/0x140 [ 5710.318442][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5710.318442][ T10] addrconf_add_dev+0xe2/0x170 [ 5710.318442][ T10] inet6_addr_add+0x12f/0xa40 [ 5710.318442][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5710.318442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.318442][ T10] netlink_rcv_skb+0x130/0x360 [ 5710.318442][ T10] netlink_unicast+0x449/0x710 [ 5710.318442][ T10] netlink_sendmsg+0x723/0xbe0 [ 5710.318442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5710.318442][ T10] ___sys_sendmsg+0xee/0x170 [ 5710.318442][ T10] __sys_sendmsg+0xcd/0x170 [ 5710.318442][ T10] do_syscall_64+0xc6/0x1e0 [ 5710.318442][ T10] [ 5710.320533][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5710.320533][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5710.320533][ T10] ipv6_find_idev+0x102/0x170 [ 5710.320533][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5710.320533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.320533][ T10] netlink_rcv_skb+0x130/0x360 [ 5710.320533][ T10] netlink_unicast+0x449/0x710 [ 5710.320533][ T10] netlink_sendmsg+0x723/0xbe0 [ 5710.320533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5710.320533][ T10] ___sys_sendmsg+0xee/0x170 [ 5710.320533][ T10] __sys_sendmsg+0xcd/0x170 [ 5710.320533][ T10] do_syscall_64+0xc6/0x1e0 [ 5710.320533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.320533][ T10] [ 5710.322200][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5710.322200][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5710.322200][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5710.322200][ T10] ipv6_find_idev+0x102/0x170 [ 5710.322200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5710.322200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.322200][ T10] netlink_rcv_skb+0x130/0x360 [ 5710.322200][ T10] netlink_unicast+0x449/0x710 [ 5710.322200][ T10] netlink_sendmsg+0x723/0xbe0 [ 5710.322200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5710.322200][ T10] ___sys_sendmsg+0xee/0x170 [ 5710.322200][ T10] __sys_sendmsg+0xcd/0x170 [ 5710.322200][ T10] do_syscall_64+0xc6/0x1e0 [ 5710.322200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.322200][ T10] [ 5710.324076][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5710.324311][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5710.324311][ T10] netdev_get_by_index+0x5e/0x80 [ 5710.324311][ T10] fib6_nh_init+0x3d8/0x1580 [ 5710.324311][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5710.324311][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5710.324311][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5710.324311][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5710.324311][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5710.324311][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5710.324311][ T10] addrconf_dad_begin+0x310/0x670 [ 5710.324311][ T10] addrconf_dad_work+0x10b/0xab0 [ 5710.324311][ T10] process_one_work+0x84d/0x18a0 [ 5710.324311][ T10] worker_thread+0x587/0xd30 [ 5710.324311][ T10] kthread+0x28a/0x350 [ 5710.324311][ T10] ret_from_fork+0x31/0x70 [ 5710.324311][ T10] ret_from_fork_asm+0x1a/0x30 [ 5710.324311][ T10] [ 5710.326539][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5710.326539][ T10] netdev_get_by_index+0x5e/0x80 [ 5710.326539][ T10] fib6_nh_init+0x3d8/0x1580 [ 5710.326539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5710.326539][ T10] ip6_route_add+0x1c/0x140 [ 5710.326539][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5710.326539][ T10] inet6_addr_add+0x4f8/0xa40 [ 5710.326539][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5710.326539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.326539][ T10] netlink_rcv_skb+0x130/0x360 [ 5710.326539][ T10] netlink_unicast+0x449/0x710 [ 5710.326539][ T10] netlink_sendmsg+0x723/0xbe0 [ 5710.326539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5710.326539][ T10] ___sys_sendmsg+0xee/0x170 [ 5710.326539][ T10] __sys_sendmsg+0xcd/0x170 [ 5710.326539][ T10] do_syscall_64+0xc6/0x1e0 [ 5710.326539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.326539][ T10] [ 5710.328782][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5710.328782][ T10] netdev_get_by_index+0x5e/0x80 [ 5710.328782][ T10] fib6_nh_init+0x3d8/0x1580 [ 5710.328782][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5710.328782][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5710.328782][ T10] ipv6_add_addr+0x411/0x2000 [ 5710.328782][ T10] inet6_addr_add+0x30e/0xa40 [ 5710.328782][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5710.328782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.328782][ T10] netlink_rcv_skb+0x130/0x360 [ 5710.328782][ T10] netlink_unicast+0x449/0x710 [ 5710.328782][ T10] netlink_sendmsg+0x723/0xbe0 [ 5710.328782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5710.328782][ T10] ___sys_sendmsg+0xee/0x170 [ 5710.328782][ T10] __sys_sendmsg+0xcd/0x170 [ 5710.328782][ T10] do_syscall_64+0xc6/0x1e0 [ 5710.328782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.328782][ T10] [ 5710.331029][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5710.331029][ T10] netdev_get_by_index+0x5e/0x80 [ 5710.331029][ T10] fib6_nh_init+0x3d8/0x1580 [ 5710.331029][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5710.331029][ T10] ip6_route_add+0x1c/0x140 [ 5710.331029][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5710.331029][ T10] addrconf_add_dev+0xe2/0x170 [ 5710.331029][ T10] inet6_addr_add+0x12f/0xa40 [ 5710.331029][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5710.331029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.331029][ T10] netlink_rcv_skb+0x130/0x360 [ 5710.331029][ T10] netlink_unicast+0x449/0x710 [ 5710.331029][ T10] netlink_sendmsg+0x723/0xbe0 [ 5710.331029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5710.331029][ T10] ___sys_sendmsg+0xee/0x170 [ 5710.331029][ T10] __sys_sendmsg+0xcd/0x170 [ 5710.331029][ T10] do_syscall_64+0xc6/0x1e0 [ 5710.331029][ T10] [ 5710.333179][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5710.333179][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5710.333179][ T10] ipv6_find_idev+0x102/0x170 [ 5710.333179][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5710.333179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.333179][ T10] netlink_rcv_skb+0x130/0x360 [ 5710.333179][ T10] netlink_unicast+0x449/0x710 [ 5710.333179][ T10] netlink_sendmsg+0x723/0xbe0 [ 5710.333179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5710.333179][ T10] ___sys_sendmsg+0xee/0x170 [ 5710.333179][ T10] __sys_sendmsg+0xcd/0x170 [ 5710.333179][ T10] do_syscall_64+0xc6/0x1e0 [ 5710.333179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.333179][ T10] [ 5710.335011][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5710.335011][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5710.335011][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5710.335011][ T10] ipv6_find_idev+0x102/0x170 [ 5710.335011][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5710.335011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5710.335011][ T10] netlink_rcv_skb+0x130/0x360 [ 5710.335011][ T10] netlink_unicast+0x449/0x710 [ 5710.335011][ T10] netlink_sendmsg+0x723/0xbe0 [ 5710.335011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5710.335011][ T10] ___sys_sendmsg+0xee/0x170 [ 5710.335011][ T10] __sys_sendmsg+0xcd/0x170 [ 5710.335011][ T10] do_syscall_64+0xc6/0x1e0 [ 5710.335011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5710.335011][ T10] [ 5711.601117][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5711.601645][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5711.601645][ T1167] dst_init+0x84/0x4a0 [ 5711.601645][ T1167] dst_alloc+0x97/0x150 [ 5711.601645][ T1167] ip6_dst_alloc+0x23/0x90 [ 5711.601645][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5711.601645][ T1167] ip6_pol_route+0x56f/0x840 [ 5711.601645][ T1167] fib6_rule_lookup+0x334/0x630 [ 5711.601645][ T1167] ip6_route_output_flags+0x259/0x480 [ 5711.601645][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5711.601645][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5711.601645][ T1167] netlink_rcv_skb+0x130/0x360 [ 5711.601645][ T1167] netlink_unicast+0x449/0x710 [ 5711.601645][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5711.601645][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5711.601645][ T1167] ___sys_sendmsg+0xee/0x170 [ 5711.601645][ T1167] __sys_sendmsg+0xcd/0x170 [ 5711.601645][ T1167] do_syscall_64+0xc6/0x1e0 [ 5711.601645][ T1167] [ 5711.603970][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5711.603970][ T1167] netdev_get_by_index+0x5e/0x80 [ 5711.603970][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5711.603970][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5711.603970][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5711.603970][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5711.603970][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5711.603970][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5711.603970][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5711.603970][ T1167] addrconf_dad_begin+0x310/0x670 [ 5711.603970][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5711.603970][ T1167] process_one_work+0x84d/0x18a0 [ 5711.603970][ T1167] worker_thread+0x587/0xd30 [ 5711.603970][ T1167] kthread+0x28a/0x350 [ 5711.603970][ T1167] ret_from_fork+0x31/0x70 [ 5711.603970][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5711.603970][ T1167] [ 5711.606236][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5711.606236][ T1167] netdev_get_by_index+0x5e/0x80 [ 5711.606236][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5711.606236][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5711.606236][ T1167] ip6_route_add+0x1c/0x140 [ 5711.606236][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5711.606236][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5711.606236][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5711.606236][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5711.606236][ T1167] netlink_rcv_skb+0x130/0x360 [ 5711.606236][ T1167] netlink_unicast+0x449/0x710 [ 5711.606236][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5711.606236][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5711.606236][ T1167] ___sys_sendmsg+0xee/0x170 [ 5711.606236][ T1167] __sys_sendmsg+0xcd/0x170 [ 5711.606236][ T1167] do_syscall_64+0xc6/0x1e0 [ 5711.606236][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5711.606236][ T1167] [ 5711.608594][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5711.608594][ T1167] netdev_get_by_index+0x5e/0x80 [ 5711.608594][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5711.608594][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5711.608594][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5711.608594][ T1167] ipv6_add_addr+0x411/0x2000 [ 5711.608594][ T1167] inet6_addr_add+0x30e/0xa40 [ 5711.608594][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5711.608594][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5711.608594][ T1167] netlink_rcv_skb+0x130/0x360 [ 5711.608594][ T1167] netlink_unicast+0x449/0x710 [ 5711.608594][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5711.608594][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5711.608594][ T1167] ___sys_sendmsg+0xee/0x170 [ 5711.608594][ T1167] __sys_sendmsg+0xcd/0x170 [ 5711.608594][ T1167] do_syscall_64+0xc6/0x1e0 [ 5711.608594][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5711.608594][ T1167] [ 5711.610950][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5711.610950][ T1167] netdev_get_by_index+0x5e/0x80 [ 5711.610950][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5711.610950][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5711.610950][ T1167] ip6_route_add+0x1c/0x140 [ 5711.610950][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5711.610950][ T1167] addrconf_add_dev+0xe2/0x170 [ 5711.610950][ T1167] inet6_addr_add+0x12f/0xa40 [ 5711.610950][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5711.610950][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5711.610950][ T1167] netlink_rcv_skb+0x130/0x360 [ 5711.610950][ T1167] netlink_unicast+0x449/0x710 [ 5711.610950][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5711.610950][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5711.610950][ T1167] ___sys_sendmsg+0xee/0x170 [ 5711.610950][ T1167] __sys_sendmsg+0xcd/0x170 [ 5711.610950][ T1167] do_syscall_64+0xc6/0x1e0 [ 5711.610950][ T1167] [ 5711.613273][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5711.613273][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5711.613273][ T1167] ipv6_find_idev+0x102/0x170 [ 5711.613273][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5711.613273][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5711.613273][ T1167] netlink_rcv_skb+0x130/0x360 [ 5711.613273][ T1167] netlink_unicast+0x449/0x710 [ 5711.613273][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5711.613273][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5711.613273][ T1167] ___sys_sendmsg+0xee/0x170 [ 5711.613273][ T1167] __sys_sendmsg+0xcd/0x170 [ 5711.613273][ T1167] do_syscall_64+0xc6/0x1e0 [ 5711.613273][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5711.613273][ T1167] [ 5711.615095][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5711.615095][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5711.615095][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5711.615095][ T1167] ipv6_find_idev+0x102/0x170 [ 5711.615095][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5711.615095][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5711.615095][ T1167] netlink_rcv_skb+0x130/0x360 [ 5711.615095][ T1167] netlink_unicast+0x449/0x710 [ 5711.615095][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5711.615095][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5711.615095][ T1167] ___sys_sendmsg+0xee/0x170 [ 5711.615095][ T1167] __sys_sendmsg+0xcd/0x170 [ 5711.615095][ T1167] do_syscall_64+0xc6/0x1e0 [ 5711.615095][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5711.615095][ T1167] [ 5720.577124][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5720.577551][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5720.577551][ T10] netdev_get_by_index+0x5e/0x80 [ 5720.577551][ T10] fib6_nh_init+0x3d8/0x1580 [ 5720.577551][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5720.577551][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5720.577551][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5720.577551][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5720.577551][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5720.577551][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5720.577551][ T10] addrconf_dad_begin+0x310/0x670 [ 5720.577551][ T10] addrconf_dad_work+0x10b/0xab0 [ 5720.577551][ T10] process_one_work+0x84d/0x18a0 [ 5720.577551][ T10] worker_thread+0x587/0xd30 [ 5720.577551][ T10] kthread+0x28a/0x350 [ 5720.577551][ T10] ret_from_fork+0x31/0x70 [ 5720.577551][ T10] ret_from_fork_asm+0x1a/0x30 [ 5720.577551][ T10] [ 5720.579506][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5720.579506][ T10] netdev_get_by_index+0x5e/0x80 [ 5720.579506][ T10] fib6_nh_init+0x3d8/0x1580 [ 5720.579506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5720.579506][ T10] ip6_route_add+0x1c/0x140 [ 5720.579506][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5720.579506][ T10] inet6_addr_add+0x4f8/0xa40 [ 5720.579506][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5720.579506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.579506][ T10] netlink_rcv_skb+0x130/0x360 [ 5720.579506][ T10] netlink_unicast+0x449/0x710 [ 5720.579506][ T10] netlink_sendmsg+0x723/0xbe0 [ 5720.579506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5720.579506][ T10] ___sys_sendmsg+0xee/0x170 [ 5720.579506][ T10] __sys_sendmsg+0xcd/0x170 [ 5720.579506][ T10] do_syscall_64+0xc6/0x1e0 [ 5720.579506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.579506][ T10] [ 5720.581522][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5720.581522][ T10] netdev_get_by_index+0x5e/0x80 [ 5720.581522][ T10] fib6_nh_init+0x3d8/0x1580 [ 5720.581522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5720.581522][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5720.581522][ T10] ipv6_add_addr+0x411/0x2000 [ 5720.581522][ T10] inet6_addr_add+0x30e/0xa40 [ 5720.581522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5720.581522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.581522][ T10] netlink_rcv_skb+0x130/0x360 [ 5720.581522][ T10] netlink_unicast+0x449/0x710 [ 5720.581522][ T10] netlink_sendmsg+0x723/0xbe0 [ 5720.581522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5720.581522][ T10] ___sys_sendmsg+0xee/0x170 [ 5720.581522][ T10] __sys_sendmsg+0xcd/0x170 [ 5720.581522][ T10] do_syscall_64+0xc6/0x1e0 [ 5720.581522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.581522][ T10] [ 5720.583553][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5720.583553][ T10] netdev_get_by_index+0x5e/0x80 [ 5720.583553][ T10] fib6_nh_init+0x3d8/0x1580 [ 5720.583553][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5720.583553][ T10] ip6_route_add+0x1c/0x140 [ 5720.583553][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5720.583553][ T10] addrconf_add_dev+0xe2/0x170 [ 5720.583553][ T10] inet6_addr_add+0x12f/0xa40 [ 5720.583553][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5720.583553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.583553][ T10] netlink_rcv_skb+0x130/0x360 [ 5720.583553][ T10] netlink_unicast+0x449/0x710 [ 5720.583553][ T10] netlink_sendmsg+0x723/0xbe0 [ 5720.583553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5720.583553][ T10] ___sys_sendmsg+0xee/0x170 [ 5720.583553][ T10] __sys_sendmsg+0xcd/0x170 [ 5720.583553][ T10] do_syscall_64+0xc6/0x1e0 [ 5720.583553][ T10] [ 5720.585524][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5720.585524][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5720.585524][ T10] ipv6_find_idev+0x102/0x170 [ 5720.585524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5720.585524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.585524][ T10] netlink_rcv_skb+0x130/0x360 [ 5720.585524][ T10] netlink_unicast+0x449/0x710 [ 5720.585524][ T10] netlink_sendmsg+0x723/0xbe0 [ 5720.585524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5720.585524][ T10] ___sys_sendmsg+0xee/0x170 [ 5720.585524][ T10] __sys_sendmsg+0xcd/0x170 [ 5720.585524][ T10] do_syscall_64+0xc6/0x1e0 [ 5720.585524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.585524][ T10] [ 5720.587068][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5720.587068][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5720.587068][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5720.587068][ T10] ipv6_find_idev+0x102/0x170 [ 5720.587068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5720.587068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.587068][ T10] netlink_rcv_skb+0x130/0x360 [ 5720.587068][ T10] netlink_unicast+0x449/0x710 [ 5720.587068][ T10] netlink_sendmsg+0x723/0xbe0 [ 5720.587068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5720.587068][ T10] ___sys_sendmsg+0xee/0x170 [ 5720.587068][ T10] __sys_sendmsg+0xcd/0x170 [ 5720.587068][ T10] do_syscall_64+0xc6/0x1e0 [ 5720.587068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.587068][ T10] [ 5720.588771][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5720.589033][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5720.589033][ T10] netdev_get_by_index+0x5e/0x80 [ 5720.589033][ T10] fib6_nh_init+0x3d8/0x1580 [ 5720.589033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5720.589033][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5720.589033][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5720.589033][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5720.589033][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5720.589033][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5720.589033][ T10] addrconf_dad_begin+0x310/0x670 [ 5720.589033][ T10] addrconf_dad_work+0x10b/0xab0 [ 5720.589033][ T10] process_one_work+0x84d/0x18a0 [ 5720.589033][ T10] worker_thread+0x587/0xd30 [ 5720.589033][ T10] kthread+0x28a/0x350 [ 5720.589033][ T10] ret_from_fork+0x31/0x70 [ 5720.589033][ T10] ret_from_fork_asm+0x1a/0x30 [ 5720.589033][ T10] [ 5720.590932][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5720.590932][ T10] netdev_get_by_index+0x5e/0x80 [ 5720.590932][ T10] fib6_nh_init+0x3d8/0x1580 [ 5720.590932][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5720.590932][ T10] ip6_route_add+0x1c/0x140 [ 5720.590932][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5720.590932][ T10] inet6_addr_add+0x4f8/0xa40 [ 5720.590932][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5720.590932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.590932][ T10] netlink_rcv_skb+0x130/0x360 [ 5720.590932][ T10] netlink_unicast+0x449/0x710 [ 5720.590932][ T10] netlink_sendmsg+0x723/0xbe0 [ 5720.590932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5720.590932][ T10] ___sys_sendmsg+0xee/0x170 [ 5720.590932][ T10] __sys_sendmsg+0xcd/0x170 [ 5720.590932][ T10] do_syscall_64+0xc6/0x1e0 [ 5720.590932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.590932][ T10] [ 5720.592929][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5720.592929][ T10] netdev_get_by_index+0x5e/0x80 [ 5720.592929][ T10] fib6_nh_init+0x3d8/0x1580 [ 5720.592929][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5720.592929][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5720.592929][ T10] ipv6_add_addr+0x411/0x2000 [ 5720.592929][ T10] inet6_addr_add+0x30e/0xa40 [ 5720.592929][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5720.592929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.592929][ T10] netlink_rcv_skb+0x130/0x360 [ 5720.592929][ T10] netlink_unicast+0x449/0x710 [ 5720.592929][ T10] netlink_sendmsg+0x723/0xbe0 [ 5720.592929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5720.592929][ T10] ___sys_sendmsg+0xee/0x170 [ 5720.592929][ T10] __sys_sendmsg+0xcd/0x170 [ 5720.592929][ T10] do_syscall_64+0xc6/0x1e0 [ 5720.592929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.592929][ T10] [ 5720.594931][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5720.594931][ T10] netdev_get_by_index+0x5e/0x80 [ 5720.594931][ T10] fib6_nh_init+0x3d8/0x1580 [ 5720.594931][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5720.594931][ T10] ip6_route_add+0x1c/0x140 [ 5720.594931][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5720.594931][ T10] addrconf_add_dev+0xe2/0x170 [ 5720.594931][ T10] inet6_addr_add+0x12f/0xa40 [ 5720.594931][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5720.594931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.594931][ T10] netlink_rcv_skb+0x130/0x360 [ 5720.594931][ T10] netlink_unicast+0x449/0x710 [ 5720.594931][ T10] netlink_sendmsg+0x723/0xbe0 [ 5720.594931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5720.594931][ T10] ___sys_sendmsg+0xee/0x170 [ 5720.594931][ T10] __sys_sendmsg+0xcd/0x170 [ 5720.594931][ T10] do_syscall_64+0xc6/0x1e0 [ 5720.594931][ T10] [ 5720.596888][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5720.596888][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5720.596888][ T10] ipv6_find_idev+0x102/0x170 [ 5720.596888][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5720.596888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.596888][ T10] netlink_rcv_skb+0x130/0x360 [ 5720.596888][ T10] netlink_unicast+0x449/0x710 [ 5720.596888][ T10] netlink_sendmsg+0x723/0xbe0 [ 5720.596888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5720.596888][ T10] ___sys_sendmsg+0xee/0x170 [ 5720.596888][ T10] __sys_sendmsg+0xcd/0x170 [ 5720.596888][ T10] do_syscall_64+0xc6/0x1e0 [ 5720.596888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.596888][ T10] [ 5720.598428][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5720.598428][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5720.598428][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5720.598428][ T10] ipv6_find_idev+0x102/0x170 [ 5720.598428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5720.598428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.598428][ T10] netlink_rcv_skb+0x130/0x360 [ 5720.598428][ T10] netlink_unicast+0x449/0x710 [ 5720.598428][ T10] netlink_sendmsg+0x723/0xbe0 [ 5720.598428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5720.598428][ T10] ___sys_sendmsg+0xee/0x170 [ 5720.598428][ T10] __sys_sendmsg+0xcd/0x170 [ 5720.598428][ T10] do_syscall_64+0xc6/0x1e0 [ 5720.598428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.598428][ T10] [ 5720.600115][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5720.600360][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5720.600360][ T10] netdev_get_by_index+0x5e/0x80 [ 5720.600360][ T10] fib6_nh_init+0x3d8/0x1580 [ 5720.600360][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5720.600360][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5720.600360][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5720.600360][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5720.600360][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5720.600360][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5720.600360][ T10] addrconf_dad_begin+0x310/0x670 [ 5720.600360][ T10] addrconf_dad_work+0x10b/0xab0 [ 5720.600360][ T10] process_one_work+0x84d/0x18a0 [ 5720.600360][ T10] worker_thread+0x587/0xd30 [ 5720.600360][ T10] kthread+0x28a/0x350 [ 5720.600360][ T10] ret_from_fork+0x31/0x70 [ 5720.600360][ T10] ret_from_fork_asm+0x1a/0x30 [ 5720.600360][ T10] [ 5720.602271][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5720.602271][ T10] netdev_get_by_index+0x5e/0x80 [ 5720.602271][ T10] fib6_nh_init+0x3d8/0x1580 [ 5720.602271][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5720.602271][ T10] ip6_route_add+0x1c/0x140 [ 5720.602271][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5720.602271][ T10] inet6_addr_add+0x4f8/0xa40 [ 5720.602271][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5720.602271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.602271][ T10] netlink_rcv_skb+0x130/0x360 [ 5720.602271][ T10] netlink_unicast+0x449/0x710 [ 5720.602271][ T10] netlink_sendmsg+0x723/0xbe0 [ 5720.602271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5720.602271][ T10] ___sys_sendmsg+0xee/0x170 [ 5720.602271][ T10] __sys_sendmsg+0xcd/0x170 [ 5720.602271][ T10] do_syscall_64+0xc6/0x1e0 [ 5720.602271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.602271][ T10] [ 5720.604532][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5720.604532][ T10] netdev_get_by_index+0x5e/0x80 [ 5720.604532][ T10] fib6_nh_init+0x3d8/0x1580 [ 5720.604532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5720.604532][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5720.604532][ T10] ipv6_add_addr+0x411/0x2000 [ 5720.604532][ T10] inet6_addr_add+0x30e/0xa40 [ 5720.604532][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5720.604532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.604532][ T10] netlink_rcv_skb+0x130/0x360 [ 5720.604532][ T10] netlink_unicast+0x449/0x710 [ 5720.604532][ T10] netlink_sendmsg+0x723/0xbe0 [ 5720.604532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5720.604532][ T10] ___sys_sendmsg+0xee/0x170 [ 5720.604532][ T10] __sys_sendmsg+0xcd/0x170 [ 5720.604532][ T10] do_syscall_64+0xc6/0x1e0 [ 5720.604532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.604532][ T10] [ 5720.606762][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5720.606762][ T10] netdev_get_by_index+0x5e/0x80 [ 5720.606762][ T10] fib6_nh_init+0x3d8/0x1580 [ 5720.606762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5720.606762][ T10] ip6_route_add+0x1c/0x140 [ 5720.606762][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5720.606762][ T10] addrconf_add_dev+0xe2/0x170 [ 5720.606762][ T10] inet6_addr_add+0x12f/0xa40 [ 5720.606762][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5720.606762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.606762][ T10] netlink_rcv_skb+0x130/0x360 [ 5720.606762][ T10] netlink_unicast+0x449/0x710 [ 5720.606762][ T10] netlink_sendmsg+0x723/0xbe0 [ 5720.606762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5720.606762][ T10] ___sys_sendmsg+0xee/0x170 [ 5720.606762][ T10] __sys_sendmsg+0xcd/0x170 [ 5720.606762][ T10] do_syscall_64+0xc6/0x1e0 [ 5720.606762][ T10] [ 5720.608908][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5720.608908][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5720.608908][ T10] ipv6_find_idev+0x102/0x170 [ 5720.608908][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5720.608908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.608908][ T10] netlink_rcv_skb+0x130/0x360 [ 5720.608908][ T10] netlink_unicast+0x449/0x710 [ 5720.608908][ T10] netlink_sendmsg+0x723/0xbe0 [ 5720.608908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5720.608908][ T10] ___sys_sendmsg+0xee/0x170 [ 5720.608908][ T10] __sys_sendmsg+0xcd/0x170 [ 5720.608908][ T10] do_syscall_64+0xc6/0x1e0 [ 5720.608908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.608908][ T10] [ 5720.610633][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5720.610633][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5720.610633][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5720.610633][ T10] ipv6_find_idev+0x102/0x170 [ 5720.610633][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5720.610633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.610633][ T10] netlink_rcv_skb+0x130/0x360 [ 5720.610633][ T10] netlink_unicast+0x449/0x710 [ 5720.610633][ T10] netlink_sendmsg+0x723/0xbe0 [ 5720.610633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5720.610633][ T10] ___sys_sendmsg+0xee/0x170 [ 5720.610633][ T10] __sys_sendmsg+0xcd/0x170 [ 5720.610633][ T10] do_syscall_64+0xc6/0x1e0 [ 5720.610633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.610633][ T10] [ 5720.612624][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5720.612858][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5720.612858][ T10] netdev_get_by_index+0x5e/0x80 [ 5720.612858][ T10] fib6_nh_init+0x3d8/0x1580 [ 5720.612858][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5720.612858][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5720.612858][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5720.612858][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5720.612858][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5720.612858][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5720.612858][ T10] addrconf_dad_begin+0x310/0x670 [ 5720.612858][ T10] addrconf_dad_work+0x10b/0xab0 [ 5720.612858][ T10] process_one_work+0x84d/0x18a0 [ 5720.612858][ T10] worker_thread+0x587/0xd30 [ 5720.612858][ T10] kthread+0x28a/0x350 [ 5720.612858][ T10] ret_from_fork+0x31/0x70 [ 5720.612858][ T10] ret_from_fork_asm+0x1a/0x30 [ 5720.612858][ T10] [ 5720.615025][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5720.615025][ T10] netdev_get_by_index+0x5e/0x80 [ 5720.615025][ T10] fib6_nh_init+0x3d8/0x1580 [ 5720.615025][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5720.615025][ T10] ip6_route_add+0x1c/0x140 [ 5720.615025][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5720.615025][ T10] inet6_addr_add+0x4f8/0xa40 [ 5720.615025][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5720.615025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.615025][ T10] netlink_rcv_skb+0x130/0x360 [ 5720.615025][ T10] netlink_unicast+0x449/0x710 [ 5720.615025][ T10] netlink_sendmsg+0x723/0xbe0 [ 5720.615025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5720.615025][ T10] ___sys_sendmsg+0xee/0x170 [ 5720.615025][ T10] __sys_sendmsg+0xcd/0x170 [ 5720.615025][ T10] do_syscall_64+0xc6/0x1e0 [ 5720.615025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.615025][ T10] [ 5720.617209][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5720.617209][ T10] netdev_get_by_index+0x5e/0x80 [ 5720.617209][ T10] fib6_nh_init+0x3d8/0x1580 [ 5720.617209][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5720.617209][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5720.617209][ T10] ipv6_add_addr+0x411/0x2000 [ 5720.617209][ T10] inet6_addr_add+0x30e/0xa40 [ 5720.617209][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5720.617209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.617209][ T10] netlink_rcv_skb+0x130/0x360 [ 5720.617209][ T10] netlink_unicast+0x449/0x710 [ 5720.617209][ T10] netlink_sendmsg+0x723/0xbe0 [ 5720.617209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5720.617209][ T10] ___sys_sendmsg+0xee/0x170 [ 5720.617209][ T10] __sys_sendmsg+0xcd/0x170 [ 5720.617209][ T10] do_syscall_64+0xc6/0x1e0 [ 5720.617209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.617209][ T10] [ 5720.619474][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5720.619474][ T10] netdev_get_by_index+0x5e/0x80 [ 5720.619474][ T10] fib6_nh_init+0x3d8/0x1580 [ 5720.619474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5720.619474][ T10] ip6_route_add+0x1c/0x140 [ 5720.619474][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5720.619474][ T10] addrconf_add_dev+0xe2/0x170 [ 5720.619474][ T10] inet6_addr_add+0x12f/0xa40 [ 5720.619474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5720.619474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.619474][ T10] netlink_rcv_skb+0x130/0x360 [ 5720.619474][ T10] netlink_unicast+0x449/0x710 [ 5720.619474][ T10] netlink_sendmsg+0x723/0xbe0 [ 5720.619474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5720.619474][ T10] ___sys_sendmsg+0xee/0x170 [ 5720.619474][ T10] __sys_sendmsg+0xcd/0x170 [ 5720.619474][ T10] do_syscall_64+0xc6/0x1e0 [ 5720.619474][ T10] [ 5720.621757][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5720.621757][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5720.621757][ T10] ipv6_find_idev+0x102/0x170 [ 5720.621757][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5720.621757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.621757][ T10] netlink_rcv_skb+0x130/0x360 [ 5720.621757][ T10] netlink_unicast+0x449/0x710 [ 5720.621757][ T10] netlink_sendmsg+0x723/0xbe0 [ 5720.621757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5720.621757][ T10] ___sys_sendmsg+0xee/0x170 [ 5720.621757][ T10] __sys_sendmsg+0xcd/0x170 [ 5720.621757][ T10] do_syscall_64+0xc6/0x1e0 [ 5720.621757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.621757][ T10] [ 5720.623484][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5720.623484][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5720.623484][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5720.623484][ T10] ipv6_find_idev+0x102/0x170 [ 5720.623484][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5720.623484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5720.623484][ T10] netlink_rcv_skb+0x130/0x360 [ 5720.623484][ T10] netlink_unicast+0x449/0x710 [ 5720.623484][ T10] netlink_sendmsg+0x723/0xbe0 [ 5720.623484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5720.623484][ T10] ___sys_sendmsg+0xee/0x170 [ 5720.623484][ T10] __sys_sendmsg+0xcd/0x170 [ 5720.623484][ T10] do_syscall_64+0xc6/0x1e0 [ 5720.623484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5720.623484][ T10] [ 5721.873111][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5721.873591][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5721.873591][ T1167] dst_init+0x84/0x4a0 [ 5721.873591][ T1167] dst_alloc+0x97/0x150 [ 5721.873591][ T1167] ip6_dst_alloc+0x23/0x90 [ 5721.873591][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5721.873591][ T1167] ip6_pol_route+0x56f/0x840 [ 5721.873591][ T1167] fib6_rule_lookup+0x334/0x630 [ 5721.873591][ T1167] ip6_route_output_flags+0x259/0x480 [ 5721.873591][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5721.873591][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5721.873591][ T1167] netlink_rcv_skb+0x130/0x360 [ 5721.873591][ T1167] netlink_unicast+0x449/0x710 [ 5721.873591][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5721.873591][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5721.873591][ T1167] ___sys_sendmsg+0xee/0x170 [ 5721.873591][ T1167] __sys_sendmsg+0xcd/0x170 [ 5721.873591][ T1167] do_syscall_64+0xc6/0x1e0 [ 5721.873591][ T1167] [ 5721.875831][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5721.875831][ T1167] netdev_get_by_index+0x5e/0x80 [ 5721.875831][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5721.875831][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5721.875831][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5721.875831][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5721.875831][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5721.875831][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5721.875831][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5721.875831][ T1167] addrconf_dad_begin+0x310/0x670 [ 5721.875831][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5721.875831][ T1167] process_one_work+0x84d/0x18a0 [ 5721.875831][ T1167] worker_thread+0x587/0xd30 [ 5721.875831][ T1167] kthread+0x28a/0x350 [ 5721.875831][ T1167] ret_from_fork+0x31/0x70 [ 5721.875831][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5721.875831][ T1167] [ 5721.878003][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5721.878003][ T1167] netdev_get_by_index+0x5e/0x80 [ 5721.878003][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5721.878003][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5721.878003][ T1167] ip6_route_add+0x1c/0x140 [ 5721.878003][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5721.878003][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5721.878003][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5721.878003][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5721.878003][ T1167] netlink_rcv_skb+0x130/0x360 [ 5721.878003][ T1167] netlink_unicast+0x449/0x710 [ 5721.878003][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5721.878003][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5721.878003][ T1167] ___sys_sendmsg+0xee/0x170 [ 5721.878003][ T1167] __sys_sendmsg+0xcd/0x170 [ 5721.878003][ T1167] do_syscall_64+0xc6/0x1e0 [ 5721.878003][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5721.878003][ T1167] [ 5721.880285][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5721.880285][ T1167] netdev_get_by_index+0x5e/0x80 [ 5721.880285][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5721.880285][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5721.880285][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5721.880285][ T1167] ipv6_add_addr+0x411/0x2000 [ 5721.880285][ T1167] inet6_addr_add+0x30e/0xa40 [ 5721.880285][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5721.880285][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5721.880285][ T1167] netlink_rcv_skb+0x130/0x360 [ 5721.880285][ T1167] netlink_unicast+0x449/0x710 [ 5721.880285][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5721.880285][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5721.880285][ T1167] ___sys_sendmsg+0xee/0x170 [ 5721.880285][ T1167] __sys_sendmsg+0xcd/0x170 [ 5721.880285][ T1167] do_syscall_64+0xc6/0x1e0 [ 5721.880285][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5721.880285][ T1167] [ 5721.882565][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5721.882565][ T1167] netdev_get_by_index+0x5e/0x80 [ 5721.882565][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5721.882565][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5721.882565][ T1167] ip6_route_add+0x1c/0x140 [ 5721.882565][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5721.882565][ T1167] addrconf_add_dev+0xe2/0x170 [ 5721.882565][ T1167] inet6_addr_add+0x12f/0xa40 [ 5721.882565][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5721.882565][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5721.882565][ T1167] netlink_rcv_skb+0x130/0x360 [ 5721.882565][ T1167] netlink_unicast+0x449/0x710 [ 5721.882565][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5721.882565][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5721.882565][ T1167] ___sys_sendmsg+0xee/0x170 [ 5721.882565][ T1167] __sys_sendmsg+0xcd/0x170 [ 5721.882565][ T1167] do_syscall_64+0xc6/0x1e0 [ 5721.882565][ T1167] [ 5721.884797][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5721.884797][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5721.884797][ T1167] ipv6_find_idev+0x102/0x170 [ 5721.884797][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5721.884797][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5721.884797][ T1167] netlink_rcv_skb+0x130/0x360 [ 5721.884797][ T1167] netlink_unicast+0x449/0x710 [ 5721.884797][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5721.884797][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5721.884797][ T1167] ___sys_sendmsg+0xee/0x170 [ 5721.884797][ T1167] __sys_sendmsg+0xcd/0x170 [ 5721.884797][ T1167] do_syscall_64+0xc6/0x1e0 [ 5721.884797][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5721.884797][ T1167] [ 5721.886550][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5721.886550][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5721.886550][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5721.886550][ T1167] ipv6_find_idev+0x102/0x170 [ 5721.886550][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5721.886550][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5721.886550][ T1167] netlink_rcv_skb+0x130/0x360 [ 5721.886550][ T1167] netlink_unicast+0x449/0x710 [ 5721.886550][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5721.886550][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5721.886550][ T1167] ___sys_sendmsg+0xee/0x170 [ 5721.886550][ T1167] __sys_sendmsg+0xcd/0x170 [ 5721.886550][ T1167] do_syscall_64+0xc6/0x1e0 [ 5721.886550][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5721.886550][ T1167] [ 5730.865124][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5730.865526][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5730.865526][ T10] netdev_get_by_index+0x5e/0x80 [ 5730.865526][ T10] fib6_nh_init+0x3d8/0x1580 [ 5730.865526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5730.865526][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5730.865526][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5730.865526][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5730.865526][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5730.865526][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5730.865526][ T10] addrconf_dad_begin+0x310/0x670 [ 5730.865526][ T10] addrconf_dad_work+0x10b/0xab0 [ 5730.865526][ T10] process_one_work+0x84d/0x18a0 [ 5730.865526][ T10] worker_thread+0x587/0xd30 [ 5730.865526][ T10] kthread+0x28a/0x350 [ 5730.865526][ T10] ret_from_fork+0x31/0x70 [ 5730.865526][ T10] ret_from_fork_asm+0x1a/0x30 [ 5730.865526][ T10] [ 5730.867492][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5730.867492][ T10] netdev_get_by_index+0x5e/0x80 [ 5730.867492][ T10] fib6_nh_init+0x3d8/0x1580 [ 5730.867492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5730.867492][ T10] ip6_route_add+0x1c/0x140 [ 5730.867492][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5730.867492][ T10] inet6_addr_add+0x4f8/0xa40 [ 5730.867492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5730.867492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.867492][ T10] netlink_rcv_skb+0x130/0x360 [ 5730.867492][ T10] netlink_unicast+0x449/0x710 [ 5730.867492][ T10] netlink_sendmsg+0x723/0xbe0 [ 5730.867492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5730.867492][ T10] ___sys_sendmsg+0xee/0x170 [ 5730.867492][ T10] __sys_sendmsg+0xcd/0x170 [ 5730.867492][ T10] do_syscall_64+0xc6/0x1e0 [ 5730.867492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.867492][ T10] [ 5730.869498][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5730.869498][ T10] netdev_get_by_index+0x5e/0x80 [ 5730.869498][ T10] fib6_nh_init+0x3d8/0x1580 [ 5730.869498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5730.869498][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5730.869498][ T10] ipv6_add_addr+0x411/0x2000 [ 5730.869498][ T10] inet6_addr_add+0x30e/0xa40 [ 5730.869498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5730.869498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.869498][ T10] netlink_rcv_skb+0x130/0x360 [ 5730.869498][ T10] netlink_unicast+0x449/0x710 [ 5730.869498][ T10] netlink_sendmsg+0x723/0xbe0 [ 5730.869498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5730.869498][ T10] ___sys_sendmsg+0xee/0x170 [ 5730.869498][ T10] __sys_sendmsg+0xcd/0x170 [ 5730.869498][ T10] do_syscall_64+0xc6/0x1e0 [ 5730.869498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.869498][ T10] [ 5730.871507][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5730.871507][ T10] netdev_get_by_index+0x5e/0x80 [ 5730.871507][ T10] fib6_nh_init+0x3d8/0x1580 [ 5730.871507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5730.871507][ T10] ip6_route_add+0x1c/0x140 [ 5730.871507][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5730.871507][ T10] addrconf_add_dev+0xe2/0x170 [ 5730.871507][ T10] inet6_addr_add+0x12f/0xa40 [ 5730.871507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5730.871507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.871507][ T10] netlink_rcv_skb+0x130/0x360 [ 5730.871507][ T10] netlink_unicast+0x449/0x710 [ 5730.871507][ T10] netlink_sendmsg+0x723/0xbe0 [ 5730.871507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5730.871507][ T10] ___sys_sendmsg+0xee/0x170 [ 5730.871507][ T10] __sys_sendmsg+0xcd/0x170 [ 5730.871507][ T10] do_syscall_64+0xc6/0x1e0 [ 5730.871507][ T10] [ 5730.873479][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5730.873479][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5730.873479][ T10] ipv6_find_idev+0x102/0x170 [ 5730.873479][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5730.873479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.873479][ T10] netlink_rcv_skb+0x130/0x360 [ 5730.873479][ T10] netlink_unicast+0x449/0x710 [ 5730.873479][ T10] netlink_sendmsg+0x723/0xbe0 [ 5730.873479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5730.873479][ T10] ___sys_sendmsg+0xee/0x170 [ 5730.873479][ T10] __sys_sendmsg+0xcd/0x170 [ 5730.873479][ T10] do_syscall_64+0xc6/0x1e0 [ 5730.873479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.873479][ T10] [ 5730.875024][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5730.875024][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5730.875024][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5730.875024][ T10] ipv6_find_idev+0x102/0x170 [ 5730.875024][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5730.875024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.875024][ T10] netlink_rcv_skb+0x130/0x360 [ 5730.875024][ T10] netlink_unicast+0x449/0x710 [ 5730.875024][ T10] netlink_sendmsg+0x723/0xbe0 [ 5730.875024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5730.875024][ T10] ___sys_sendmsg+0xee/0x170 [ 5730.875024][ T10] __sys_sendmsg+0xcd/0x170 [ 5730.875024][ T10] do_syscall_64+0xc6/0x1e0 [ 5730.875024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.875024][ T10] [ 5730.876712][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5730.876949][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5730.876949][ T10] netdev_get_by_index+0x5e/0x80 [ 5730.876949][ T10] fib6_nh_init+0x3d8/0x1580 [ 5730.876949][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5730.876949][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5730.876949][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5730.876949][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5730.876949][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5730.876949][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5730.876949][ T10] addrconf_dad_begin+0x310/0x670 [ 5730.876949][ T10] addrconf_dad_work+0x10b/0xab0 [ 5730.876949][ T10] process_one_work+0x84d/0x18a0 [ 5730.876949][ T10] worker_thread+0x587/0xd30 [ 5730.876949][ T10] kthread+0x28a/0x350 [ 5730.876949][ T10] ret_from_fork+0x31/0x70 [ 5730.876949][ T10] ret_from_fork_asm+0x1a/0x30 [ 5730.876949][ T10] [ 5730.878884][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5730.878884][ T10] netdev_get_by_index+0x5e/0x80 [ 5730.878884][ T10] fib6_nh_init+0x3d8/0x1580 [ 5730.878884][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5730.878884][ T10] ip6_route_add+0x1c/0x140 [ 5730.878884][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5730.878884][ T10] inet6_addr_add+0x4f8/0xa40 [ 5730.878884][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5730.878884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.878884][ T10] netlink_rcv_skb+0x130/0x360 [ 5730.878884][ T10] netlink_unicast+0x449/0x710 [ 5730.878884][ T10] netlink_sendmsg+0x723/0xbe0 [ 5730.878884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5730.878884][ T10] ___sys_sendmsg+0xee/0x170 [ 5730.878884][ T10] __sys_sendmsg+0xcd/0x170 [ 5730.878884][ T10] do_syscall_64+0xc6/0x1e0 [ 5730.878884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.878884][ T10] [ 5730.880882][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5730.880882][ T10] netdev_get_by_index+0x5e/0x80 [ 5730.880882][ T10] fib6_nh_init+0x3d8/0x1580 [ 5730.880882][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5730.880882][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5730.880882][ T10] ipv6_add_addr+0x411/0x2000 [ 5730.880882][ T10] inet6_addr_add+0x30e/0xa40 [ 5730.880882][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5730.880882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.880882][ T10] netlink_rcv_skb+0x130/0x360 [ 5730.880882][ T10] netlink_unicast+0x449/0x710 [ 5730.880882][ T10] netlink_sendmsg+0x723/0xbe0 [ 5730.880882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5730.880882][ T10] ___sys_sendmsg+0xee/0x170 [ 5730.880882][ T10] __sys_sendmsg+0xcd/0x170 [ 5730.880882][ T10] do_syscall_64+0xc6/0x1e0 [ 5730.880882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.880882][ T10] [ 5730.882890][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5730.882890][ T10] netdev_get_by_index+0x5e/0x80 [ 5730.882890][ T10] fib6_nh_init+0x3d8/0x1580 [ 5730.882890][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5730.882890][ T10] ip6_route_add+0x1c/0x140 [ 5730.882890][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5730.882890][ T10] addrconf_add_dev+0xe2/0x170 [ 5730.882890][ T10] inet6_addr_add+0x12f/0xa40 [ 5730.882890][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5730.882890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.882890][ T10] netlink_rcv_skb+0x130/0x360 [ 5730.882890][ T10] netlink_unicast+0x449/0x710 [ 5730.882890][ T10] netlink_sendmsg+0x723/0xbe0 [ 5730.882890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5730.882890][ T10] ___sys_sendmsg+0xee/0x170 [ 5730.882890][ T10] __sys_sendmsg+0xcd/0x170 [ 5730.882890][ T10] do_syscall_64+0xc6/0x1e0 [ 5730.882890][ T10] [ 5730.885376][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5730.885376][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5730.885376][ T10] ipv6_find_idev+0x102/0x170 [ 5730.885376][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5730.885376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.885376][ T10] netlink_rcv_skb+0x130/0x360 [ 5730.885376][ T10] netlink_unicast+0x449/0x710 [ 5730.885376][ T10] netlink_sendmsg+0x723/0xbe0 [ 5730.885376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5730.885376][ T10] ___sys_sendmsg+0xee/0x170 [ 5730.885376][ T10] __sys_sendmsg+0xcd/0x170 [ 5730.885376][ T10] do_syscall_64+0xc6/0x1e0 [ 5730.885376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.885376][ T10] [ 5730.886914][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5730.886914][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5730.886914][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5730.886914][ T10] ipv6_find_idev+0x102/0x170 [ 5730.886914][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5730.886914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.886914][ T10] netlink_rcv_skb+0x130/0x360 [ 5730.886914][ T10] netlink_unicast+0x449/0x710 [ 5730.886914][ T10] netlink_sendmsg+0x723/0xbe0 [ 5730.886914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5730.886914][ T10] ___sys_sendmsg+0xee/0x170 [ 5730.886914][ T10] __sys_sendmsg+0xcd/0x170 [ 5730.886914][ T10] do_syscall_64+0xc6/0x1e0 [ 5730.886914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.886914][ T10] [ 5730.888611][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5730.888857][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5730.888857][ T10] netdev_get_by_index+0x5e/0x80 [ 5730.888857][ T10] fib6_nh_init+0x3d8/0x1580 [ 5730.888857][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5730.888857][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5730.888857][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5730.888857][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5730.888857][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5730.888857][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5730.888857][ T10] addrconf_dad_begin+0x310/0x670 [ 5730.888857][ T10] addrconf_dad_work+0x10b/0xab0 [ 5730.888857][ T10] process_one_work+0x84d/0x18a0 [ 5730.888857][ T10] worker_thread+0x587/0xd30 [ 5730.888857][ T10] kthread+0x28a/0x350 [ 5730.888857][ T10] ret_from_fork+0x31/0x70 [ 5730.888857][ T10] ret_from_fork_asm+0x1a/0x30 [ 5730.888857][ T10] [ 5730.890764][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5730.890764][ T10] netdev_get_by_index+0x5e/0x80 [ 5730.890764][ T10] fib6_nh_init+0x3d8/0x1580 [ 5730.890764][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5730.890764][ T10] ip6_route_add+0x1c/0x140 [ 5730.890764][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5730.890764][ T10] inet6_addr_add+0x4f8/0xa40 [ 5730.890764][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5730.890764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.890764][ T10] netlink_rcv_skb+0x130/0x360 [ 5730.890764][ T10] netlink_unicast+0x449/0x710 [ 5730.890764][ T10] netlink_sendmsg+0x723/0xbe0 [ 5730.890764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5730.890764][ T10] ___sys_sendmsg+0xee/0x170 [ 5730.890764][ T10] __sys_sendmsg+0xcd/0x170 [ 5730.890764][ T10] do_syscall_64+0xc6/0x1e0 [ 5730.890764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.890764][ T10] [ 5730.892958][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5730.892958][ T10] netdev_get_by_index+0x5e/0x80 [ 5730.892958][ T10] fib6_nh_init+0x3d8/0x1580 [ 5730.892958][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5730.892958][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5730.892958][ T10] ipv6_add_addr+0x411/0x2000 [ 5730.892958][ T10] inet6_addr_add+0x30e/0xa40 [ 5730.892958][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5730.892958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.892958][ T10] netlink_rcv_skb+0x130/0x360 [ 5730.892958][ T10] netlink_unicast+0x449/0x710 [ 5730.892958][ T10] netlink_sendmsg+0x723/0xbe0 [ 5730.892958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5730.892958][ T10] ___sys_sendmsg+0xee/0x170 [ 5730.892958][ T10] __sys_sendmsg+0xcd/0x170 [ 5730.892958][ T10] do_syscall_64+0xc6/0x1e0 [ 5730.892958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.892958][ T10] [ 5730.895255][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5730.895255][ T10] netdev_get_by_index+0x5e/0x80 [ 5730.895255][ T10] fib6_nh_init+0x3d8/0x1580 [ 5730.895255][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5730.895255][ T10] ip6_route_add+0x1c/0x140 [ 5730.895255][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5730.895255][ T10] addrconf_add_dev+0xe2/0x170 [ 5730.895255][ T10] inet6_addr_add+0x12f/0xa40 [ 5730.895255][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5730.895255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.895255][ T10] netlink_rcv_skb+0x130/0x360 [ 5730.895255][ T10] netlink_unicast+0x449/0x710 [ 5730.895255][ T10] netlink_sendmsg+0x723/0xbe0 [ 5730.895255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5730.895255][ T10] ___sys_sendmsg+0xee/0x170 [ 5730.895255][ T10] __sys_sendmsg+0xcd/0x170 [ 5730.895255][ T10] do_syscall_64+0xc6/0x1e0 [ 5730.895255][ T10] [ 5730.897396][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5730.897396][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5730.897396][ T10] ipv6_find_idev+0x102/0x170 [ 5730.897396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5730.897396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.897396][ T10] netlink_rcv_skb+0x130/0x360 [ 5730.897396][ T10] netlink_unicast+0x449/0x710 [ 5730.897396][ T10] netlink_sendmsg+0x723/0xbe0 [ 5730.897396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5730.897396][ T10] ___sys_sendmsg+0xee/0x170 [ 5730.897396][ T10] __sys_sendmsg+0xcd/0x170 [ 5730.897396][ T10] do_syscall_64+0xc6/0x1e0 [ 5730.897396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.897396][ T10] [ 5730.899116][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5730.899116][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5730.899116][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5730.899116][ T10] ipv6_find_idev+0x102/0x170 [ 5730.899116][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5730.899116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.899116][ T10] netlink_rcv_skb+0x130/0x360 [ 5730.899116][ T10] netlink_unicast+0x449/0x710 [ 5730.899116][ T10] netlink_sendmsg+0x723/0xbe0 [ 5730.899116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5730.899116][ T10] ___sys_sendmsg+0xee/0x170 [ 5730.899116][ T10] __sys_sendmsg+0xcd/0x170 [ 5730.899116][ T10] do_syscall_64+0xc6/0x1e0 [ 5730.899116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.899116][ T10] [ 5730.901049][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5730.901296][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5730.901296][ T10] netdev_get_by_index+0x5e/0x80 [ 5730.901296][ T10] fib6_nh_init+0x3d8/0x1580 [ 5730.901296][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5730.901296][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5730.901296][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5730.901296][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5730.901296][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5730.901296][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5730.901296][ T10] addrconf_dad_begin+0x310/0x670 [ 5730.901296][ T10] addrconf_dad_work+0x10b/0xab0 [ 5730.901296][ T10] process_one_work+0x84d/0x18a0 [ 5730.901296][ T10] worker_thread+0x587/0xd30 [ 5730.901296][ T10] kthread+0x28a/0x350 [ 5730.901296][ T10] ret_from_fork+0x31/0x70 [ 5730.901296][ T10] ret_from_fork_asm+0x1a/0x30 [ 5730.901296][ T10] [ 5730.903518][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5730.903518][ T10] netdev_get_by_index+0x5e/0x80 [ 5730.903518][ T10] fib6_nh_init+0x3d8/0x1580 [ 5730.903518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5730.903518][ T10] ip6_route_add+0x1c/0x140 [ 5730.903518][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5730.903518][ T10] inet6_addr_add+0x4f8/0xa40 [ 5730.903518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5730.903518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.903518][ T10] netlink_rcv_skb+0x130/0x360 [ 5730.903518][ T10] netlink_unicast+0x449/0x710 [ 5730.903518][ T10] netlink_sendmsg+0x723/0xbe0 [ 5730.903518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5730.903518][ T10] ___sys_sendmsg+0xee/0x170 [ 5730.903518][ T10] __sys_sendmsg+0xcd/0x170 [ 5730.903518][ T10] do_syscall_64+0xc6/0x1e0 [ 5730.903518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.903518][ T10] [ 5730.906051][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5730.906051][ T10] netdev_get_by_index+0x5e/0x80 [ 5730.906051][ T10] fib6_nh_init+0x3d8/0x1580 [ 5730.906051][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5730.906051][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5730.906051][ T10] ipv6_add_addr+0x411/0x2000 [ 5730.906051][ T10] inet6_addr_add+0x30e/0xa40 [ 5730.906051][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5730.906051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.906051][ T10] netlink_rcv_skb+0x130/0x360 [ 5730.906051][ T10] netlink_unicast+0x449/0x710 [ 5730.906051][ T10] netlink_sendmsg+0x723/0xbe0 [ 5730.906051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5730.906051][ T10] ___sys_sendmsg+0xee/0x170 [ 5730.906051][ T10] __sys_sendmsg+0xcd/0x170 [ 5730.906051][ T10] do_syscall_64+0xc6/0x1e0 [ 5730.906051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.906051][ T10] [ 5730.908282][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5730.908282][ T10] netdev_get_by_index+0x5e/0x80 [ 5730.908282][ T10] fib6_nh_init+0x3d8/0x1580 [ 5730.908282][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5730.908282][ T10] ip6_route_add+0x1c/0x140 [ 5730.908282][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5730.908282][ T10] addrconf_add_dev+0xe2/0x170 [ 5730.908282][ T10] inet6_addr_add+0x12f/0xa40 [ 5730.908282][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5730.908282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.908282][ T10] netlink_rcv_skb+0x130/0x360 [ 5730.908282][ T10] netlink_unicast+0x449/0x710 [ 5730.908282][ T10] netlink_sendmsg+0x723/0xbe0 [ 5730.908282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5730.908282][ T10] ___sys_sendmsg+0xee/0x170 [ 5730.908282][ T10] __sys_sendmsg+0xcd/0x170 [ 5730.908282][ T10] do_syscall_64+0xc6/0x1e0 [ 5730.908282][ T10] [ 5730.910477][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5730.910477][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5730.910477][ T10] ipv6_find_idev+0x102/0x170 [ 5730.910477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5730.910477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.910477][ T10] netlink_rcv_skb+0x130/0x360 [ 5730.910477][ T10] netlink_unicast+0x449/0x710 [ 5730.910477][ T10] netlink_sendmsg+0x723/0xbe0 [ 5730.910477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5730.910477][ T10] ___sys_sendmsg+0xee/0x170 [ 5730.910477][ T10] __sys_sendmsg+0xcd/0x170 [ 5730.910477][ T10] do_syscall_64+0xc6/0x1e0 [ 5730.910477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.910477][ T10] [ 5730.912199][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5730.912199][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5730.912199][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5730.912199][ T10] ipv6_find_idev+0x102/0x170 [ 5730.912199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5730.912199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5730.912199][ T10] netlink_rcv_skb+0x130/0x360 [ 5730.912199][ T10] netlink_unicast+0x449/0x710 [ 5730.912199][ T10] netlink_sendmsg+0x723/0xbe0 [ 5730.912199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5730.912199][ T10] ___sys_sendmsg+0xee/0x170 [ 5730.912199][ T10] __sys_sendmsg+0xcd/0x170 [ 5730.912199][ T10] do_syscall_64+0xc6/0x1e0 [ 5730.912199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5730.912199][ T10] [ 5732.129106][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5732.129582][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5732.129582][ T1167] dst_init+0x84/0x4a0 [ 5732.129582][ T1167] dst_alloc+0x97/0x150 [ 5732.129582][ T1167] ip6_dst_alloc+0x23/0x90 [ 5732.129582][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5732.129582][ T1167] ip6_pol_route+0x56f/0x840 [ 5732.129582][ T1167] fib6_rule_lookup+0x334/0x630 [ 5732.129582][ T1167] ip6_route_output_flags+0x259/0x480 [ 5732.129582][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5732.129582][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5732.129582][ T1167] netlink_rcv_skb+0x130/0x360 [ 5732.129582][ T1167] netlink_unicast+0x449/0x710 [ 5732.129582][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5732.129582][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5732.129582][ T1167] ___sys_sendmsg+0xee/0x170 [ 5732.129582][ T1167] __sys_sendmsg+0xcd/0x170 [ 5732.129582][ T1167] do_syscall_64+0xc6/0x1e0 [ 5732.129582][ T1167] [ 5732.131833][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5732.131833][ T1167] netdev_get_by_index+0x5e/0x80 [ 5732.131833][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5732.131833][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5732.131833][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5732.131833][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5732.131833][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5732.131833][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5732.131833][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5732.131833][ T1167] addrconf_dad_begin+0x310/0x670 [ 5732.131833][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5732.131833][ T1167] process_one_work+0x84d/0x18a0 [ 5732.131833][ T1167] worker_thread+0x587/0xd30 [ 5732.131833][ T1167] kthread+0x28a/0x350 [ 5732.131833][ T1167] ret_from_fork+0x31/0x70 [ 5732.131833][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5732.131833][ T1167] [ 5732.134009][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5732.134009][ T1167] netdev_get_by_index+0x5e/0x80 [ 5732.134009][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5732.134009][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5732.134009][ T1167] ip6_route_add+0x1c/0x140 [ 5732.134009][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5732.134009][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5732.134009][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5732.134009][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5732.134009][ T1167] netlink_rcv_skb+0x130/0x360 [ 5732.134009][ T1167] netlink_unicast+0x449/0x710 [ 5732.134009][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5732.134009][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5732.134009][ T1167] ___sys_sendmsg+0xee/0x170 [ 5732.134009][ T1167] __sys_sendmsg+0xcd/0x170 [ 5732.134009][ T1167] do_syscall_64+0xc6/0x1e0 [ 5732.134009][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5732.134009][ T1167] [ 5732.136283][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5732.136283][ T1167] netdev_get_by_index+0x5e/0x80 [ 5732.136283][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5732.136283][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5732.136283][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5732.136283][ T1167] ipv6_add_addr+0x411/0x2000 [ 5732.136283][ T1167] inet6_addr_add+0x30e/0xa40 [ 5732.136283][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5732.136283][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5732.136283][ T1167] netlink_rcv_skb+0x130/0x360 [ 5732.136283][ T1167] netlink_unicast+0x449/0x710 [ 5732.136283][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5732.136283][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5732.136283][ T1167] ___sys_sendmsg+0xee/0x170 [ 5732.136283][ T1167] __sys_sendmsg+0xcd/0x170 [ 5732.136283][ T1167] do_syscall_64+0xc6/0x1e0 [ 5732.136283][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5732.136283][ T1167] [ 5732.138556][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5732.138556][ T1167] netdev_get_by_index+0x5e/0x80 [ 5732.138556][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5732.138556][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5732.138556][ T1167] ip6_route_add+0x1c/0x140 [ 5732.138556][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5732.138556][ T1167] addrconf_add_dev+0xe2/0x170 [ 5732.138556][ T1167] inet6_addr_add+0x12f/0xa40 [ 5732.138556][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5732.138556][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5732.138556][ T1167] netlink_rcv_skb+0x130/0x360 [ 5732.138556][ T1167] netlink_unicast+0x449/0x710 [ 5732.138556][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5732.138556][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5732.138556][ T1167] ___sys_sendmsg+0xee/0x170 [ 5732.138556][ T1167] __sys_sendmsg+0xcd/0x170 [ 5732.138556][ T1167] do_syscall_64+0xc6/0x1e0 [ 5732.138556][ T1167] [ 5732.140812][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5732.140812][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5732.140812][ T1167] ipv6_find_idev+0x102/0x170 [ 5732.140812][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5732.140812][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5732.140812][ T1167] netlink_rcv_skb+0x130/0x360 [ 5732.140812][ T1167] netlink_unicast+0x449/0x710 [ 5732.140812][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5732.140812][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5732.140812][ T1167] ___sys_sendmsg+0xee/0x170 [ 5732.140812][ T1167] __sys_sendmsg+0xcd/0x170 [ 5732.140812][ T1167] do_syscall_64+0xc6/0x1e0 [ 5732.140812][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5732.140812][ T1167] [ 5732.142571][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5732.142571][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5732.142571][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5732.142571][ T1167] ipv6_find_idev+0x102/0x170 [ 5732.142571][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5732.142571][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5732.142571][ T1167] netlink_rcv_skb+0x130/0x360 [ 5732.142571][ T1167] netlink_unicast+0x449/0x710 [ 5732.142571][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5732.142571][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5732.142571][ T1167] ___sys_sendmsg+0xee/0x170 [ 5732.142571][ T1167] __sys_sendmsg+0xcd/0x170 [ 5732.142571][ T1167] do_syscall_64+0xc6/0x1e0 [ 5732.142571][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5732.142571][ T1167] [ 5741.153103][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5741.153502][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5741.153502][ T10] netdev_get_by_index+0x5e/0x80 [ 5741.153502][ T10] fib6_nh_init+0x3d8/0x1580 [ 5741.153502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5741.153502][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5741.153502][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5741.153502][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5741.153502][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5741.153502][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5741.153502][ T10] addrconf_dad_begin+0x310/0x670 [ 5741.153502][ T10] addrconf_dad_work+0x10b/0xab0 [ 5741.153502][ T10] process_one_work+0x84d/0x18a0 [ 5741.153502][ T10] worker_thread+0x587/0xd30 [ 5741.153502][ T10] kthread+0x28a/0x350 [ 5741.153502][ T10] ret_from_fork+0x31/0x70 [ 5741.153502][ T10] ret_from_fork_asm+0x1a/0x30 [ 5741.153502][ T10] [ 5741.155423][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5741.155423][ T10] netdev_get_by_index+0x5e/0x80 [ 5741.155423][ T10] fib6_nh_init+0x3d8/0x1580 [ 5741.155423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5741.155423][ T10] ip6_route_add+0x1c/0x140 [ 5741.155423][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5741.155423][ T10] inet6_addr_add+0x4f8/0xa40 [ 5741.155423][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5741.155423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.155423][ T10] netlink_rcv_skb+0x130/0x360 [ 5741.155423][ T10] netlink_unicast+0x449/0x710 [ 5741.155423][ T10] netlink_sendmsg+0x723/0xbe0 [ 5741.155423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5741.155423][ T10] ___sys_sendmsg+0xee/0x170 [ 5741.155423][ T10] __sys_sendmsg+0xcd/0x170 [ 5741.155423][ T10] do_syscall_64+0xc6/0x1e0 [ 5741.155423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.155423][ T10] [ 5741.157401][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5741.157401][ T10] netdev_get_by_index+0x5e/0x80 [ 5741.157401][ T10] fib6_nh_init+0x3d8/0x1580 [ 5741.157401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5741.157401][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5741.157401][ T10] ipv6_add_addr+0x411/0x2000 [ 5741.157401][ T10] inet6_addr_add+0x30e/0xa40 [ 5741.157401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5741.157401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.157401][ T10] netlink_rcv_skb+0x130/0x360 [ 5741.157401][ T10] netlink_unicast+0x449/0x710 [ 5741.157401][ T10] netlink_sendmsg+0x723/0xbe0 [ 5741.157401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5741.157401][ T10] ___sys_sendmsg+0xee/0x170 [ 5741.157401][ T10] __sys_sendmsg+0xcd/0x170 [ 5741.157401][ T10] do_syscall_64+0xc6/0x1e0 [ 5741.157401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.157401][ T10] [ 5741.159378][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5741.159378][ T10] netdev_get_by_index+0x5e/0x80 [ 5741.159378][ T10] fib6_nh_init+0x3d8/0x1580 [ 5741.159378][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5741.159378][ T10] ip6_route_add+0x1c/0x140 [ 5741.159378][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5741.159378][ T10] addrconf_add_dev+0xe2/0x170 [ 5741.159378][ T10] inet6_addr_add+0x12f/0xa40 [ 5741.159378][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5741.159378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.159378][ T10] netlink_rcv_skb+0x130/0x360 [ 5741.159378][ T10] netlink_unicast+0x449/0x710 [ 5741.159378][ T10] netlink_sendmsg+0x723/0xbe0 [ 5741.159378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5741.159378][ T10] ___sys_sendmsg+0xee/0x170 [ 5741.159378][ T10] __sys_sendmsg+0xcd/0x170 [ 5741.159378][ T10] do_syscall_64+0xc6/0x1e0 [ 5741.159378][ T10] [ 5741.161333][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5741.161333][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5741.161333][ T10] ipv6_find_idev+0x102/0x170 [ 5741.161333][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5741.161333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.161333][ T10] netlink_rcv_skb+0x130/0x360 [ 5741.161333][ T10] netlink_unicast+0x449/0x710 [ 5741.161333][ T10] netlink_sendmsg+0x723/0xbe0 [ 5741.161333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5741.161333][ T10] ___sys_sendmsg+0xee/0x170 [ 5741.161333][ T10] __sys_sendmsg+0xcd/0x170 [ 5741.161333][ T10] do_syscall_64+0xc6/0x1e0 [ 5741.161333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.161333][ T10] [ 5741.162857][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5741.162857][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5741.162857][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5741.162857][ T10] ipv6_find_idev+0x102/0x170 [ 5741.162857][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5741.162857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.162857][ T10] netlink_rcv_skb+0x130/0x360 [ 5741.162857][ T10] netlink_unicast+0x449/0x710 [ 5741.162857][ T10] netlink_sendmsg+0x723/0xbe0 [ 5741.162857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5741.162857][ T10] ___sys_sendmsg+0xee/0x170 [ 5741.162857][ T10] __sys_sendmsg+0xcd/0x170 [ 5741.162857][ T10] do_syscall_64+0xc6/0x1e0 [ 5741.162857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.162857][ T10] [ 5741.164521][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5741.164795][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5741.164795][ T10] netdev_get_by_index+0x5e/0x80 [ 5741.164795][ T10] fib6_nh_init+0x3d8/0x1580 [ 5741.164795][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5741.164795][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5741.164795][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5741.164795][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5741.164795][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5741.164795][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5741.164795][ T10] addrconf_dad_begin+0x310/0x670 [ 5741.164795][ T10] addrconf_dad_work+0x10b/0xab0 [ 5741.164795][ T10] process_one_work+0x84d/0x18a0 [ 5741.164795][ T10] worker_thread+0x587/0xd30 [ 5741.164795][ T10] kthread+0x28a/0x350 [ 5741.164795][ T10] ret_from_fork+0x31/0x70 [ 5741.164795][ T10] ret_from_fork_asm+0x1a/0x30 [ 5741.164795][ T10] [ 5741.166681][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5741.166681][ T10] netdev_get_by_index+0x5e/0x80 [ 5741.166681][ T10] fib6_nh_init+0x3d8/0x1580 [ 5741.166681][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5741.166681][ T10] ip6_route_add+0x1c/0x140 [ 5741.166681][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5741.166681][ T10] inet6_addr_add+0x4f8/0xa40 [ 5741.166681][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5741.166681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.166681][ T10] netlink_rcv_skb+0x130/0x360 [ 5741.166681][ T10] netlink_unicast+0x449/0x710 [ 5741.166681][ T10] netlink_sendmsg+0x723/0xbe0 [ 5741.166681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5741.166681][ T10] ___sys_sendmsg+0xee/0x170 [ 5741.166681][ T10] __sys_sendmsg+0xcd/0x170 [ 5741.166681][ T10] do_syscall_64+0xc6/0x1e0 [ 5741.166681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.166681][ T10] [ 5741.170564][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5741.170564][ T10] netdev_get_by_index+0x5e/0x80 [ 5741.170564][ T10] fib6_nh_init+0x3d8/0x1580 [ 5741.170564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5741.170564][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5741.170564][ T10] ipv6_add_addr+0x411/0x2000 [ 5741.170564][ T10] inet6_addr_add+0x30e/0xa40 [ 5741.170564][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5741.170564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.170564][ T10] netlink_rcv_skb+0x130/0x360 [ 5741.170564][ T10] netlink_unicast+0x449/0x710 [ 5741.170564][ T10] netlink_sendmsg+0x723/0xbe0 [ 5741.170564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5741.170564][ T10] ___sys_sendmsg+0xee/0x170 [ 5741.170564][ T10] __sys_sendmsg+0xcd/0x170 [ 5741.170564][ T10] do_syscall_64+0xc6/0x1e0 [ 5741.170564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.170564][ T10] [ 5741.172565][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5741.172565][ T10] netdev_get_by_index+0x5e/0x80 [ 5741.172565][ T10] fib6_nh_init+0x3d8/0x1580 [ 5741.172565][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5741.172565][ T10] ip6_route_add+0x1c/0x140 [ 5741.172565][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5741.172565][ T10] addrconf_add_dev+0xe2/0x170 [ 5741.172565][ T10] inet6_addr_add+0x12f/0xa40 [ 5741.172565][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5741.172565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.172565][ T10] netlink_rcv_skb+0x130/0x360 [ 5741.172565][ T10] netlink_unicast+0x449/0x710 [ 5741.172565][ T10] netlink_sendmsg+0x723/0xbe0 [ 5741.172565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5741.172565][ T10] ___sys_sendmsg+0xee/0x170 [ 5741.172565][ T10] __sys_sendmsg+0xcd/0x170 [ 5741.172565][ T10] do_syscall_64+0xc6/0x1e0 [ 5741.172565][ T10] [ 5741.174507][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5741.174507][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5741.174507][ T10] ipv6_find_idev+0x102/0x170 [ 5741.174507][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5741.174507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.174507][ T10] netlink_rcv_skb+0x130/0x360 [ 5741.174507][ T10] netlink_unicast+0x449/0x710 [ 5741.174507][ T10] netlink_sendmsg+0x723/0xbe0 [ 5741.174507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5741.174507][ T10] ___sys_sendmsg+0xee/0x170 [ 5741.174507][ T10] __sys_sendmsg+0xcd/0x170 [ 5741.174507][ T10] do_syscall_64+0xc6/0x1e0 [ 5741.174507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.174507][ T10] [ 5741.176038][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5741.176038][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5741.176038][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5741.176038][ T10] ipv6_find_idev+0x102/0x170 [ 5741.176038][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5741.176038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.176038][ T10] netlink_rcv_skb+0x130/0x360 [ 5741.176038][ T10] netlink_unicast+0x449/0x710 [ 5741.176038][ T10] netlink_sendmsg+0x723/0xbe0 [ 5741.176038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5741.176038][ T10] ___sys_sendmsg+0xee/0x170 [ 5741.176038][ T10] __sys_sendmsg+0xcd/0x170 [ 5741.176038][ T10] do_syscall_64+0xc6/0x1e0 [ 5741.176038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.176038][ T10] [ 5741.177734][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5741.177972][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5741.177972][ T10] netdev_get_by_index+0x5e/0x80 [ 5741.177972][ T10] fib6_nh_init+0x3d8/0x1580 [ 5741.177972][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5741.177972][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5741.177972][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5741.177972][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5741.177972][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5741.177972][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5741.177972][ T10] addrconf_dad_begin+0x310/0x670 [ 5741.177972][ T10] addrconf_dad_work+0x10b/0xab0 [ 5741.177972][ T10] process_one_work+0x84d/0x18a0 [ 5741.177972][ T10] worker_thread+0x587/0xd30 [ 5741.177972][ T10] kthread+0x28a/0x350 [ 5741.177972][ T10] ret_from_fork+0x31/0x70 [ 5741.177972][ T10] ret_from_fork_asm+0x1a/0x30 [ 5741.177972][ T10] [ 5741.179872][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5741.179872][ T10] netdev_get_by_index+0x5e/0x80 [ 5741.179872][ T10] fib6_nh_init+0x3d8/0x1580 [ 5741.179872][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5741.179872][ T10] ip6_route_add+0x1c/0x140 [ 5741.179872][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5741.179872][ T10] inet6_addr_add+0x4f8/0xa40 [ 5741.179872][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5741.179872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.179872][ T10] netlink_rcv_skb+0x130/0x360 [ 5741.179872][ T10] netlink_unicast+0x449/0x710 [ 5741.179872][ T10] netlink_sendmsg+0x723/0xbe0 [ 5741.179872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5741.179872][ T10] ___sys_sendmsg+0xee/0x170 [ 5741.179872][ T10] __sys_sendmsg+0xcd/0x170 [ 5741.179872][ T10] do_syscall_64+0xc6/0x1e0 [ 5741.179872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.179872][ T10] [ 5741.182059][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5741.182059][ T10] netdev_get_by_index+0x5e/0x80 [ 5741.182059][ T10] fib6_nh_init+0x3d8/0x1580 [ 5741.182059][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5741.182059][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5741.182059][ T10] ipv6_add_addr+0x411/0x2000 [ 5741.182059][ T10] inet6_addr_add+0x30e/0xa40 [ 5741.182059][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5741.182059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.182059][ T10] netlink_rcv_skb+0x130/0x360 [ 5741.182059][ T10] netlink_unicast+0x449/0x710 [ 5741.182059][ T10] netlink_sendmsg+0x723/0xbe0 [ 5741.182059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5741.182059][ T10] ___sys_sendmsg+0xee/0x170 [ 5741.182059][ T10] __sys_sendmsg+0xcd/0x170 [ 5741.182059][ T10] do_syscall_64+0xc6/0x1e0 [ 5741.182059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.182059][ T10] [ 5741.184360][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5741.184360][ T10] netdev_get_by_index+0x5e/0x80 [ 5741.184360][ T10] fib6_nh_init+0x3d8/0x1580 [ 5741.184360][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5741.184360][ T10] ip6_route_add+0x1c/0x140 [ 5741.184360][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5741.184360][ T10] addrconf_add_dev+0xe2/0x170 [ 5741.184360][ T10] inet6_addr_add+0x12f/0xa40 [ 5741.184360][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5741.184360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.184360][ T10] netlink_rcv_skb+0x130/0x360 [ 5741.184360][ T10] netlink_unicast+0x449/0x710 [ 5741.184360][ T10] netlink_sendmsg+0x723/0xbe0 [ 5741.184360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5741.184360][ T10] ___sys_sendmsg+0xee/0x170 [ 5741.184360][ T10] __sys_sendmsg+0xcd/0x170 [ 5741.184360][ T10] do_syscall_64+0xc6/0x1e0 [ 5741.184360][ T10] [ 5741.186492][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5741.186492][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5741.186492][ T10] ipv6_find_idev+0x102/0x170 [ 5741.186492][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5741.186492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.186492][ T10] netlink_rcv_skb+0x130/0x360 [ 5741.186492][ T10] netlink_unicast+0x449/0x710 [ 5741.186492][ T10] netlink_sendmsg+0x723/0xbe0 [ 5741.186492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5741.186492][ T10] ___sys_sendmsg+0xee/0x170 [ 5741.186492][ T10] __sys_sendmsg+0xcd/0x170 [ 5741.186492][ T10] do_syscall_64+0xc6/0x1e0 [ 5741.186492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.186492][ T10] [ 5741.188210][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5741.188210][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5741.188210][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5741.188210][ T10] ipv6_find_idev+0x102/0x170 [ 5741.188210][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5741.188210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.188210][ T10] netlink_rcv_skb+0x130/0x360 [ 5741.188210][ T10] netlink_unicast+0x449/0x710 [ 5741.188210][ T10] netlink_sendmsg+0x723/0xbe0 [ 5741.188210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5741.188210][ T10] ___sys_sendmsg+0xee/0x170 [ 5741.188210][ T10] __sys_sendmsg+0xcd/0x170 [ 5741.188210][ T10] do_syscall_64+0xc6/0x1e0 [ 5741.188210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.188210][ T10] [ 5741.190117][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5741.190362][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5741.190362][ T10] netdev_get_by_index+0x5e/0x80 [ 5741.190362][ T10] fib6_nh_init+0x3d8/0x1580 [ 5741.190362][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5741.190362][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5741.190362][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5741.190362][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5741.190362][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5741.190362][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5741.190362][ T10] addrconf_dad_begin+0x310/0x670 [ 5741.190362][ T10] addrconf_dad_work+0x10b/0xab0 [ 5741.190362][ T10] process_one_work+0x84d/0x18a0 [ 5741.190362][ T10] worker_thread+0x587/0xd30 [ 5741.190362][ T10] kthread+0x28a/0x350 [ 5741.190362][ T10] ret_from_fork+0x31/0x70 [ 5741.190362][ T10] ret_from_fork_asm+0x1a/0x30 [ 5741.190362][ T10] [ 5741.192574][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5741.192574][ T10] netdev_get_by_index+0x5e/0x80 [ 5741.192574][ T10] fib6_nh_init+0x3d8/0x1580 [ 5741.192574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5741.192574][ T10] ip6_route_add+0x1c/0x140 [ 5741.192574][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5741.192574][ T10] inet6_addr_add+0x4f8/0xa40 [ 5741.192574][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5741.192574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.192574][ T10] netlink_rcv_skb+0x130/0x360 [ 5741.192574][ T10] netlink_unicast+0x449/0x710 [ 5741.192574][ T10] netlink_sendmsg+0x723/0xbe0 [ 5741.192574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5741.192574][ T10] ___sys_sendmsg+0xee/0x170 [ 5741.192574][ T10] __sys_sendmsg+0xcd/0x170 [ 5741.192574][ T10] do_syscall_64+0xc6/0x1e0 [ 5741.192574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.192574][ T10] [ 5741.194745][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5741.194745][ T10] netdev_get_by_index+0x5e/0x80 [ 5741.194745][ T10] fib6_nh_init+0x3d8/0x1580 [ 5741.194745][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5741.194745][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5741.194745][ T10] ipv6_add_addr+0x411/0x2000 [ 5741.194745][ T10] inet6_addr_add+0x30e/0xa40 [ 5741.194745][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5741.194745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.194745][ T10] netlink_rcv_skb+0x130/0x360 [ 5741.194745][ T10] netlink_unicast+0x449/0x710 [ 5741.194745][ T10] netlink_sendmsg+0x723/0xbe0 [ 5741.194745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5741.194745][ T10] ___sys_sendmsg+0xee/0x170 [ 5741.194745][ T10] __sys_sendmsg+0xcd/0x170 [ 5741.194745][ T10] do_syscall_64+0xc6/0x1e0 [ 5741.194745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.194745][ T10] [ 5741.196986][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5741.196986][ T10] netdev_get_by_index+0x5e/0x80 [ 5741.196986][ T10] fib6_nh_init+0x3d8/0x1580 [ 5741.196986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5741.196986][ T10] ip6_route_add+0x1c/0x140 [ 5741.196986][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5741.196986][ T10] addrconf_add_dev+0xe2/0x170 [ 5741.196986][ T10] inet6_addr_add+0x12f/0xa40 [ 5741.196986][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5741.196986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.196986][ T10] netlink_rcv_skb+0x130/0x360 [ 5741.196986][ T10] netlink_unicast+0x449/0x710 [ 5741.196986][ T10] netlink_sendmsg+0x723/0xbe0 [ 5741.196986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5741.196986][ T10] ___sys_sendmsg+0xee/0x170 [ 5741.196986][ T10] __sys_sendmsg+0xcd/0x170 [ 5741.196986][ T10] do_syscall_64+0xc6/0x1e0 [ 5741.196986][ T10] [ 5741.199202][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5741.199202][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5741.199202][ T10] ipv6_find_idev+0x102/0x170 [ 5741.199202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5741.199202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.199202][ T10] netlink_rcv_skb+0x130/0x360 [ 5741.199202][ T10] netlink_unicast+0x449/0x710 [ 5741.199202][ T10] netlink_sendmsg+0x723/0xbe0 [ 5741.199202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5741.199202][ T10] ___sys_sendmsg+0xee/0x170 [ 5741.199202][ T10] __sys_sendmsg+0xcd/0x170 [ 5741.199202][ T10] do_syscall_64+0xc6/0x1e0 [ 5741.199202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.199202][ T10] [ 5741.200921][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5741.200921][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5741.200921][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5741.200921][ T10] ipv6_find_idev+0x102/0x170 [ 5741.200921][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5741.200921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5741.200921][ T10] netlink_rcv_skb+0x130/0x360 [ 5741.200921][ T10] netlink_unicast+0x449/0x710 [ 5741.200921][ T10] netlink_sendmsg+0x723/0xbe0 [ 5741.200921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5741.200921][ T10] ___sys_sendmsg+0xee/0x170 [ 5741.200921][ T10] __sys_sendmsg+0xcd/0x170 [ 5741.200921][ T10] do_syscall_64+0xc6/0x1e0 [ 5741.200921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5741.200921][ T10] [ 5742.385099][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5742.385609][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5742.385609][ T1167] dst_init+0x84/0x4a0 [ 5742.385609][ T1167] dst_alloc+0x97/0x150 [ 5742.385609][ T1167] ip6_dst_alloc+0x23/0x90 [ 5742.385609][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5742.385609][ T1167] ip6_pol_route+0x56f/0x840 [ 5742.385609][ T1167] fib6_rule_lookup+0x334/0x630 [ 5742.385609][ T1167] ip6_route_output_flags+0x259/0x480 [ 5742.385609][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5742.385609][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5742.385609][ T1167] netlink_rcv_skb+0x130/0x360 [ 5742.385609][ T1167] netlink_unicast+0x449/0x710 [ 5742.385609][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5742.385609][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5742.385609][ T1167] ___sys_sendmsg+0xee/0x170 [ 5742.385609][ T1167] __sys_sendmsg+0xcd/0x170 [ 5742.385609][ T1167] do_syscall_64+0xc6/0x1e0 [ 5742.385609][ T1167] [ 5742.387823][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5742.387823][ T1167] netdev_get_by_index+0x5e/0x80 [ 5742.387823][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5742.387823][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5742.387823][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5742.387823][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5742.387823][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5742.387823][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5742.387823][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5742.387823][ T1167] addrconf_dad_begin+0x310/0x670 [ 5742.387823][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5742.387823][ T1167] process_one_work+0x84d/0x18a0 [ 5742.387823][ T1167] worker_thread+0x587/0xd30 [ 5742.387823][ T1167] kthread+0x28a/0x350 [ 5742.387823][ T1167] ret_from_fork+0x31/0x70 [ 5742.387823][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5742.387823][ T1167] [ 5742.389986][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5742.389986][ T1167] netdev_get_by_index+0x5e/0x80 [ 5742.389986][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5742.389986][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5742.389986][ T1167] ip6_route_add+0x1c/0x140 [ 5742.389986][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5742.389986][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5742.389986][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5742.389986][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5742.389986][ T1167] netlink_rcv_skb+0x130/0x360 [ 5742.389986][ T1167] netlink_unicast+0x449/0x710 [ 5742.389986][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5742.389986][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5742.389986][ T1167] ___sys_sendmsg+0xee/0x170 [ 5742.389986][ T1167] __sys_sendmsg+0xcd/0x170 [ 5742.389986][ T1167] do_syscall_64+0xc6/0x1e0 [ 5742.389986][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5742.389986][ T1167] [ 5742.392271][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5742.392271][ T1167] netdev_get_by_index+0x5e/0x80 [ 5742.392271][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5742.392271][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5742.392271][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5742.392271][ T1167] ipv6_add_addr+0x411/0x2000 [ 5742.392271][ T1167] inet6_addr_add+0x30e/0xa40 [ 5742.392271][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5742.392271][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5742.392271][ T1167] netlink_rcv_skb+0x130/0x360 [ 5742.392271][ T1167] netlink_unicast+0x449/0x710 [ 5742.392271][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5742.392271][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5742.392271][ T1167] ___sys_sendmsg+0xee/0x170 [ 5742.392271][ T1167] __sys_sendmsg+0xcd/0x170 [ 5742.392271][ T1167] do_syscall_64+0xc6/0x1e0 [ 5742.392271][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5742.392271][ T1167] [ 5742.395070][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5742.395070][ T1167] netdev_get_by_index+0x5e/0x80 [ 5742.395070][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5742.395070][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5742.395070][ T1167] ip6_route_add+0x1c/0x140 [ 5742.395070][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5742.395070][ T1167] addrconf_add_dev+0xe2/0x170 [ 5742.395070][ T1167] inet6_addr_add+0x12f/0xa40 [ 5742.395070][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5742.395070][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5742.395070][ T1167] netlink_rcv_skb+0x130/0x360 [ 5742.395070][ T1167] netlink_unicast+0x449/0x710 [ 5742.395070][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5742.395070][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5742.395070][ T1167] ___sys_sendmsg+0xee/0x170 [ 5742.395070][ T1167] __sys_sendmsg+0xcd/0x170 [ 5742.395070][ T1167] do_syscall_64+0xc6/0x1e0 [ 5742.395070][ T1167] [ 5742.397294][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5742.397294][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5742.397294][ T1167] ipv6_find_idev+0x102/0x170 [ 5742.397294][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5742.397294][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5742.397294][ T1167] netlink_rcv_skb+0x130/0x360 [ 5742.397294][ T1167] netlink_unicast+0x449/0x710 [ 5742.397294][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5742.397294][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5742.397294][ T1167] ___sys_sendmsg+0xee/0x170 [ 5742.397294][ T1167] __sys_sendmsg+0xcd/0x170 [ 5742.397294][ T1167] do_syscall_64+0xc6/0x1e0 [ 5742.397294][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5742.397294][ T1167] [ 5742.399040][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5742.399040][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5742.399040][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5742.399040][ T1167] ipv6_find_idev+0x102/0x170 [ 5742.399040][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5742.399040][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5742.399040][ T1167] netlink_rcv_skb+0x130/0x360 [ 5742.399040][ T1167] netlink_unicast+0x449/0x710 [ 5742.399040][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5742.399040][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5742.399040][ T1167] ___sys_sendmsg+0xee/0x170 [ 5742.399040][ T1167] __sys_sendmsg+0xcd/0x170 [ 5742.399040][ T1167] do_syscall_64+0xc6/0x1e0 [ 5742.399040][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5742.399040][ T1167] [ 5751.441104][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5751.441450][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5751.441450][ T10] netdev_get_by_index+0x5e/0x80 [ 5751.441450][ T10] fib6_nh_init+0x3d8/0x1580 [ 5751.441450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5751.441450][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5751.441450][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5751.441450][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5751.441450][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5751.441450][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5751.441450][ T10] addrconf_dad_begin+0x310/0x670 [ 5751.441450][ T10] addrconf_dad_work+0x10b/0xab0 [ 5751.441450][ T10] process_one_work+0x84d/0x18a0 [ 5751.441450][ T10] worker_thread+0x587/0xd30 [ 5751.441450][ T10] kthread+0x28a/0x350 [ 5751.441450][ T10] ret_from_fork+0x31/0x70 [ 5751.441450][ T10] ret_from_fork_asm+0x1a/0x30 [ 5751.441450][ T10] [ 5751.443385][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5751.443385][ T10] netdev_get_by_index+0x5e/0x80 [ 5751.443385][ T10] fib6_nh_init+0x3d8/0x1580 [ 5751.443385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5751.443385][ T10] ip6_route_add+0x1c/0x140 [ 5751.443385][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5751.443385][ T10] inet6_addr_add+0x4f8/0xa40 [ 5751.443385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5751.443385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.443385][ T10] netlink_rcv_skb+0x130/0x360 [ 5751.443385][ T10] netlink_unicast+0x449/0x710 [ 5751.443385][ T10] netlink_sendmsg+0x723/0xbe0 [ 5751.443385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5751.443385][ T10] ___sys_sendmsg+0xee/0x170 [ 5751.443385][ T10] __sys_sendmsg+0xcd/0x170 [ 5751.443385][ T10] do_syscall_64+0xc6/0x1e0 [ 5751.443385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.443385][ T10] [ 5751.445396][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5751.445396][ T10] netdev_get_by_index+0x5e/0x80 [ 5751.445396][ T10] fib6_nh_init+0x3d8/0x1580 [ 5751.445396][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5751.445396][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5751.445396][ T10] ipv6_add_addr+0x411/0x2000 [ 5751.445396][ T10] inet6_addr_add+0x30e/0xa40 [ 5751.445396][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5751.445396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.445396][ T10] netlink_rcv_skb+0x130/0x360 [ 5751.445396][ T10] netlink_unicast+0x449/0x710 [ 5751.445396][ T10] netlink_sendmsg+0x723/0xbe0 [ 5751.445396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5751.445396][ T10] ___sys_sendmsg+0xee/0x170 [ 5751.445396][ T10] __sys_sendmsg+0xcd/0x170 [ 5751.445396][ T10] do_syscall_64+0xc6/0x1e0 [ 5751.445396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.445396][ T10] [ 5751.447394][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5751.447394][ T10] netdev_get_by_index+0x5e/0x80 [ 5751.447394][ T10] fib6_nh_init+0x3d8/0x1580 [ 5751.447394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5751.447394][ T10] ip6_route_add+0x1c/0x140 [ 5751.447394][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5751.447394][ T10] addrconf_add_dev+0xe2/0x170 [ 5751.447394][ T10] inet6_addr_add+0x12f/0xa40 [ 5751.447394][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5751.447394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.447394][ T10] netlink_rcv_skb+0x130/0x360 [ 5751.447394][ T10] netlink_unicast+0x449/0x710 [ 5751.447394][ T10] netlink_sendmsg+0x723/0xbe0 [ 5751.447394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5751.447394][ T10] ___sys_sendmsg+0xee/0x170 [ 5751.447394][ T10] __sys_sendmsg+0xcd/0x170 [ 5751.447394][ T10] do_syscall_64+0xc6/0x1e0 [ 5751.447394][ T10] [ 5751.449374][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5751.449374][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5751.449374][ T10] ipv6_find_idev+0x102/0x170 [ 5751.449374][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5751.449374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.449374][ T10] netlink_rcv_skb+0x130/0x360 [ 5751.449374][ T10] netlink_unicast+0x449/0x710 [ 5751.449374][ T10] netlink_sendmsg+0x723/0xbe0 [ 5751.449374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5751.449374][ T10] ___sys_sendmsg+0xee/0x170 [ 5751.449374][ T10] __sys_sendmsg+0xcd/0x170 [ 5751.449374][ T10] do_syscall_64+0xc6/0x1e0 [ 5751.449374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.449374][ T10] [ 5751.450931][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5751.450931][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5751.450931][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5751.450931][ T10] ipv6_find_idev+0x102/0x170 [ 5751.450931][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5751.450931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.450931][ T10] netlink_rcv_skb+0x130/0x360 [ 5751.450931][ T10] netlink_unicast+0x449/0x710 [ 5751.450931][ T10] netlink_sendmsg+0x723/0xbe0 [ 5751.450931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5751.450931][ T10] ___sys_sendmsg+0xee/0x170 [ 5751.450931][ T10] __sys_sendmsg+0xcd/0x170 [ 5751.450931][ T10] do_syscall_64+0xc6/0x1e0 [ 5751.450931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.450931][ T10] [ 5751.452626][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5751.452872][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5751.452872][ T10] netdev_get_by_index+0x5e/0x80 [ 5751.452872][ T10] fib6_nh_init+0x3d8/0x1580 [ 5751.452872][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5751.452872][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5751.452872][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5751.452872][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5751.452872][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5751.452872][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5751.452872][ T10] addrconf_dad_begin+0x310/0x670 [ 5751.452872][ T10] addrconf_dad_work+0x10b/0xab0 [ 5751.452872][ T10] process_one_work+0x84d/0x18a0 [ 5751.452872][ T10] worker_thread+0x587/0xd30 [ 5751.452872][ T10] kthread+0x28a/0x350 [ 5751.452872][ T10] ret_from_fork+0x31/0x70 [ 5751.452872][ T10] ret_from_fork_asm+0x1a/0x30 [ 5751.452872][ T10] [ 5751.454789][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5751.454789][ T10] netdev_get_by_index+0x5e/0x80 [ 5751.454789][ T10] fib6_nh_init+0x3d8/0x1580 [ 5751.454789][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5751.454789][ T10] ip6_route_add+0x1c/0x140 [ 5751.454789][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5751.454789][ T10] inet6_addr_add+0x4f8/0xa40 [ 5751.454789][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5751.454789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.454789][ T10] netlink_rcv_skb+0x130/0x360 [ 5751.454789][ T10] netlink_unicast+0x449/0x710 [ 5751.454789][ T10] netlink_sendmsg+0x723/0xbe0 [ 5751.454789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5751.454789][ T10] ___sys_sendmsg+0xee/0x170 [ 5751.454789][ T10] __sys_sendmsg+0xcd/0x170 [ 5751.454789][ T10] do_syscall_64+0xc6/0x1e0 [ 5751.454789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.454789][ T10] [ 5751.456777][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5751.456777][ T10] netdev_get_by_index+0x5e/0x80 [ 5751.456777][ T10] fib6_nh_init+0x3d8/0x1580 [ 5751.456777][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5751.456777][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5751.456777][ T10] ipv6_add_addr+0x411/0x2000 [ 5751.456777][ T10] inet6_addr_add+0x30e/0xa40 [ 5751.456777][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5751.456777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.456777][ T10] netlink_rcv_skb+0x130/0x360 [ 5751.456777][ T10] netlink_unicast+0x449/0x710 [ 5751.456777][ T10] netlink_sendmsg+0x723/0xbe0 [ 5751.456777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5751.456777][ T10] ___sys_sendmsg+0xee/0x170 [ 5751.456777][ T10] __sys_sendmsg+0xcd/0x170 [ 5751.456777][ T10] do_syscall_64+0xc6/0x1e0 [ 5751.456777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.456777][ T10] [ 5751.458761][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5751.458761][ T10] netdev_get_by_index+0x5e/0x80 [ 5751.458761][ T10] fib6_nh_init+0x3d8/0x1580 [ 5751.458761][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5751.458761][ T10] ip6_route_add+0x1c/0x140 [ 5751.458761][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5751.458761][ T10] addrconf_add_dev+0xe2/0x170 [ 5751.458761][ T10] inet6_addr_add+0x12f/0xa40 [ 5751.458761][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5751.458761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.458761][ T10] netlink_rcv_skb+0x130/0x360 [ 5751.458761][ T10] netlink_unicast+0x449/0x710 [ 5751.458761][ T10] netlink_sendmsg+0x723/0xbe0 [ 5751.458761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5751.458761][ T10] ___sys_sendmsg+0xee/0x170 [ 5751.458761][ T10] __sys_sendmsg+0xcd/0x170 [ 5751.458761][ T10] do_syscall_64+0xc6/0x1e0 [ 5751.458761][ T10] [ 5751.460721][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5751.460721][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5751.460721][ T10] ipv6_find_idev+0x102/0x170 [ 5751.460721][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5751.460721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.460721][ T10] netlink_rcv_skb+0x130/0x360 [ 5751.460721][ T10] netlink_unicast+0x449/0x710 [ 5751.460721][ T10] netlink_sendmsg+0x723/0xbe0 [ 5751.460721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5751.460721][ T10] ___sys_sendmsg+0xee/0x170 [ 5751.460721][ T10] __sys_sendmsg+0xcd/0x170 [ 5751.460721][ T10] do_syscall_64+0xc6/0x1e0 [ 5751.460721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.460721][ T10] [ 5751.462361][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5751.462361][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5751.462361][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5751.462361][ T10] ipv6_find_idev+0x102/0x170 [ 5751.462361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5751.462361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.462361][ T10] netlink_rcv_skb+0x130/0x360 [ 5751.462361][ T10] netlink_unicast+0x449/0x710 [ 5751.462361][ T10] netlink_sendmsg+0x723/0xbe0 [ 5751.462361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5751.462361][ T10] ___sys_sendmsg+0xee/0x170 [ 5751.462361][ T10] __sys_sendmsg+0xcd/0x170 [ 5751.462361][ T10] do_syscall_64+0xc6/0x1e0 [ 5751.462361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.462361][ T10] [ 5751.464042][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5751.464284][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5751.464284][ T10] netdev_get_by_index+0x5e/0x80 [ 5751.464284][ T10] fib6_nh_init+0x3d8/0x1580 [ 5751.464284][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5751.464284][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5751.464284][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5751.464284][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5751.464284][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5751.464284][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5751.464284][ T10] addrconf_dad_begin+0x310/0x670 [ 5751.464284][ T10] addrconf_dad_work+0x10b/0xab0 [ 5751.464284][ T10] process_one_work+0x84d/0x18a0 [ 5751.464284][ T10] worker_thread+0x587/0xd30 [ 5751.464284][ T10] kthread+0x28a/0x350 [ 5751.464284][ T10] ret_from_fork+0x31/0x70 [ 5751.464284][ T10] ret_from_fork_asm+0x1a/0x30 [ 5751.464284][ T10] [ 5751.466199][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5751.466199][ T10] netdev_get_by_index+0x5e/0x80 [ 5751.466199][ T10] fib6_nh_init+0x3d8/0x1580 [ 5751.466199][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5751.466199][ T10] ip6_route_add+0x1c/0x140 [ 5751.466199][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5751.466199][ T10] inet6_addr_add+0x4f8/0xa40 [ 5751.466199][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5751.466199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.466199][ T10] netlink_rcv_skb+0x130/0x360 [ 5751.466199][ T10] netlink_unicast+0x449/0x710 [ 5751.466199][ T10] netlink_sendmsg+0x723/0xbe0 [ 5751.466199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5751.466199][ T10] ___sys_sendmsg+0xee/0x170 [ 5751.466199][ T10] __sys_sendmsg+0xcd/0x170 [ 5751.466199][ T10] do_syscall_64+0xc6/0x1e0 [ 5751.466199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.466199][ T10] [ 5751.468319][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5751.468319][ T10] netdev_get_by_index+0x5e/0x80 [ 5751.468319][ T10] fib6_nh_init+0x3d8/0x1580 [ 5751.468319][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5751.468319][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5751.468319][ T10] ipv6_add_addr+0x411/0x2000 [ 5751.468319][ T10] inet6_addr_add+0x30e/0xa40 [ 5751.468319][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5751.468319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.468319][ T10] netlink_rcv_skb+0x130/0x360 [ 5751.468319][ T10] netlink_unicast+0x449/0x710 [ 5751.468319][ T10] netlink_sendmsg+0x723/0xbe0 [ 5751.468319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5751.468319][ T10] ___sys_sendmsg+0xee/0x170 [ 5751.468319][ T10] __sys_sendmsg+0xcd/0x170 [ 5751.468319][ T10] do_syscall_64+0xc6/0x1e0 [ 5751.468319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.468319][ T10] [ 5751.470632][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5751.470632][ T10] netdev_get_by_index+0x5e/0x80 [ 5751.470632][ T10] fib6_nh_init+0x3d8/0x1580 [ 5751.470632][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5751.470632][ T10] ip6_route_add+0x1c/0x140 [ 5751.470632][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5751.470632][ T10] addrconf_add_dev+0xe2/0x170 [ 5751.470632][ T10] inet6_addr_add+0x12f/0xa40 [ 5751.470632][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5751.470632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.470632][ T10] netlink_rcv_skb+0x130/0x360 [ 5751.470632][ T10] netlink_unicast+0x449/0x710 [ 5751.470632][ T10] netlink_sendmsg+0x723/0xbe0 [ 5751.470632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5751.470632][ T10] ___sys_sendmsg+0xee/0x170 [ 5751.470632][ T10] __sys_sendmsg+0xcd/0x170 [ 5751.470632][ T10] do_syscall_64+0xc6/0x1e0 [ 5751.470632][ T10] [ 5751.472846][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5751.472846][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5751.472846][ T10] ipv6_find_idev+0x102/0x170 [ 5751.472846][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5751.472846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.472846][ T10] netlink_rcv_skb+0x130/0x360 [ 5751.472846][ T10] netlink_unicast+0x449/0x710 [ 5751.472846][ T10] netlink_sendmsg+0x723/0xbe0 [ 5751.472846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5751.472846][ T10] ___sys_sendmsg+0xee/0x170 [ 5751.472846][ T10] __sys_sendmsg+0xcd/0x170 [ 5751.472846][ T10] do_syscall_64+0xc6/0x1e0 [ 5751.472846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.472846][ T10] [ 5751.474560][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5751.474560][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5751.474560][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5751.474560][ T10] ipv6_find_idev+0x102/0x170 [ 5751.474560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5751.474560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.474560][ T10] netlink_rcv_skb+0x130/0x360 [ 5751.474560][ T10] netlink_unicast+0x449/0x710 [ 5751.474560][ T10] netlink_sendmsg+0x723/0xbe0 [ 5751.474560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5751.474560][ T10] ___sys_sendmsg+0xee/0x170 [ 5751.474560][ T10] __sys_sendmsg+0xcd/0x170 [ 5751.474560][ T10] do_syscall_64+0xc6/0x1e0 [ 5751.474560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.474560][ T10] [ 5751.476369][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5751.476616][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5751.476616][ T10] netdev_get_by_index+0x5e/0x80 [ 5751.476616][ T10] fib6_nh_init+0x3d8/0x1580 [ 5751.476616][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5751.476616][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5751.476616][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5751.476616][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5751.476616][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5751.476616][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5751.476616][ T10] addrconf_dad_begin+0x310/0x670 [ 5751.476616][ T10] addrconf_dad_work+0x10b/0xab0 [ 5751.476616][ T10] process_one_work+0x84d/0x18a0 [ 5751.476616][ T10] worker_thread+0x587/0xd30 [ 5751.476616][ T10] kthread+0x28a/0x350 [ 5751.476616][ T10] ret_from_fork+0x31/0x70 [ 5751.476616][ T10] ret_from_fork_asm+0x1a/0x30 [ 5751.476616][ T10] [ 5751.478832][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5751.478832][ T10] netdev_get_by_index+0x5e/0x80 [ 5751.478832][ T10] fib6_nh_init+0x3d8/0x1580 [ 5751.478832][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5751.478832][ T10] ip6_route_add+0x1c/0x140 [ 5751.478832][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5751.478832][ T10] inet6_addr_add+0x4f8/0xa40 [ 5751.478832][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5751.478832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.478832][ T10] netlink_rcv_skb+0x130/0x360 [ 5751.478832][ T10] netlink_unicast+0x449/0x710 [ 5751.478832][ T10] netlink_sendmsg+0x723/0xbe0 [ 5751.478832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5751.478832][ T10] ___sys_sendmsg+0xee/0x170 [ 5751.478832][ T10] __sys_sendmsg+0xcd/0x170 [ 5751.478832][ T10] do_syscall_64+0xc6/0x1e0 [ 5751.478832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.478832][ T10] [ 5751.481080][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5751.481080][ T10] netdev_get_by_index+0x5e/0x80 [ 5751.481080][ T10] fib6_nh_init+0x3d8/0x1580 [ 5751.481080][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5751.481080][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5751.481080][ T10] ipv6_add_addr+0x411/0x2000 [ 5751.481080][ T10] inet6_addr_add+0x30e/0xa40 [ 5751.481080][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5751.481080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.481080][ T10] netlink_rcv_skb+0x130/0x360 [ 5751.481080][ T10] netlink_unicast+0x449/0x710 [ 5751.481080][ T10] netlink_sendmsg+0x723/0xbe0 [ 5751.481080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5751.481080][ T10] ___sys_sendmsg+0xee/0x170 [ 5751.481080][ T10] __sys_sendmsg+0xcd/0x170 [ 5751.481080][ T10] do_syscall_64+0xc6/0x1e0 [ 5751.481080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.481080][ T10] [ 5751.483328][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5751.483328][ T10] netdev_get_by_index+0x5e/0x80 [ 5751.483328][ T10] fib6_nh_init+0x3d8/0x1580 [ 5751.483328][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5751.483328][ T10] ip6_route_add+0x1c/0x140 [ 5751.483328][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5751.483328][ T10] addrconf_add_dev+0xe2/0x170 [ 5751.483328][ T10] inet6_addr_add+0x12f/0xa40 [ 5751.483328][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5751.483328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.483328][ T10] netlink_rcv_skb+0x130/0x360 [ 5751.483328][ T10] netlink_unicast+0x449/0x710 [ 5751.483328][ T10] netlink_sendmsg+0x723/0xbe0 [ 5751.483328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5751.483328][ T10] ___sys_sendmsg+0xee/0x170 [ 5751.483328][ T10] __sys_sendmsg+0xcd/0x170 [ 5751.483328][ T10] do_syscall_64+0xc6/0x1e0 [ 5751.483328][ T10] [ 5751.485479][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5751.485479][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5751.485479][ T10] ipv6_find_idev+0x102/0x170 [ 5751.485479][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5751.485479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.485479][ T10] netlink_rcv_skb+0x130/0x360 [ 5751.485479][ T10] netlink_unicast+0x449/0x710 [ 5751.485479][ T10] netlink_sendmsg+0x723/0xbe0 [ 5751.485479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5751.485479][ T10] ___sys_sendmsg+0xee/0x170 [ 5751.485479][ T10] __sys_sendmsg+0xcd/0x170 [ 5751.485479][ T10] do_syscall_64+0xc6/0x1e0 [ 5751.485479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.485479][ T10] [ 5751.487203][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5751.487203][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5751.487203][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5751.487203][ T10] ipv6_find_idev+0x102/0x170 [ 5751.487203][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5751.487203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5751.487203][ T10] netlink_rcv_skb+0x130/0x360 [ 5751.487203][ T10] netlink_unicast+0x449/0x710 [ 5751.487203][ T10] netlink_sendmsg+0x723/0xbe0 [ 5751.487203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5751.487203][ T10] ___sys_sendmsg+0xee/0x170 [ 5751.487203][ T10] __sys_sendmsg+0xcd/0x170 [ 5751.487203][ T10] do_syscall_64+0xc6/0x1e0 [ 5751.487203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5751.487203][ T10] [ 5752.641103][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5752.641568][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5752.641568][ T1167] dst_init+0x84/0x4a0 [ 5752.641568][ T1167] dst_alloc+0x97/0x150 [ 5752.641568][ T1167] ip6_dst_alloc+0x23/0x90 [ 5752.641568][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5752.641568][ T1167] ip6_pol_route+0x56f/0x840 [ 5752.641568][ T1167] fib6_rule_lookup+0x334/0x630 [ 5752.641568][ T1167] ip6_route_output_flags+0x259/0x480 [ 5752.641568][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5752.641568][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5752.641568][ T1167] netlink_rcv_skb+0x130/0x360 [ 5752.641568][ T1167] netlink_unicast+0x449/0x710 [ 5752.641568][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5752.641568][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5752.641568][ T1167] ___sys_sendmsg+0xee/0x170 [ 5752.641568][ T1167] __sys_sendmsg+0xcd/0x170 [ 5752.641568][ T1167] do_syscall_64+0xc6/0x1e0 [ 5752.641568][ T1167] [ 5752.643771][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5752.643771][ T1167] netdev_get_by_index+0x5e/0x80 [ 5752.643771][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5752.643771][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5752.643771][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5752.643771][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5752.643771][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5752.643771][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5752.643771][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5752.643771][ T1167] addrconf_dad_begin+0x310/0x670 [ 5752.643771][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5752.643771][ T1167] process_one_work+0x84d/0x18a0 [ 5752.643771][ T1167] worker_thread+0x587/0xd30 [ 5752.643771][ T1167] kthread+0x28a/0x350 [ 5752.643771][ T1167] ret_from_fork+0x31/0x70 [ 5752.643771][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5752.643771][ T1167] [ 5752.645929][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5752.645929][ T1167] netdev_get_by_index+0x5e/0x80 [ 5752.645929][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5752.645929][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5752.645929][ T1167] ip6_route_add+0x1c/0x140 [ 5752.645929][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5752.645929][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5752.645929][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5752.645929][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5752.645929][ T1167] netlink_rcv_skb+0x130/0x360 [ 5752.645929][ T1167] netlink_unicast+0x449/0x710 [ 5752.645929][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5752.645929][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5752.645929][ T1167] ___sys_sendmsg+0xee/0x170 [ 5752.645929][ T1167] __sys_sendmsg+0xcd/0x170 [ 5752.645929][ T1167] do_syscall_64+0xc6/0x1e0 [ 5752.645929][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5752.645929][ T1167] [ 5752.648181][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5752.648181][ T1167] netdev_get_by_index+0x5e/0x80 [ 5752.648181][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5752.648181][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5752.648181][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5752.648181][ T1167] ipv6_add_addr+0x411/0x2000 [ 5752.648181][ T1167] inet6_addr_add+0x30e/0xa40 [ 5752.648181][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5752.648181][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5752.648181][ T1167] netlink_rcv_skb+0x130/0x360 [ 5752.648181][ T1167] netlink_unicast+0x449/0x710 [ 5752.648181][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5752.648181][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5752.648181][ T1167] ___sys_sendmsg+0xee/0x170 [ 5752.648181][ T1167] __sys_sendmsg+0xcd/0x170 [ 5752.648181][ T1167] do_syscall_64+0xc6/0x1e0 [ 5752.648181][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5752.648181][ T1167] [ 5752.650429][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5752.650429][ T1167] netdev_get_by_index+0x5e/0x80 [ 5752.650429][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5752.650429][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5752.650429][ T1167] ip6_route_add+0x1c/0x140 [ 5752.650429][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5752.650429][ T1167] addrconf_add_dev+0xe2/0x170 [ 5752.650429][ T1167] inet6_addr_add+0x12f/0xa40 [ 5752.650429][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5752.650429][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5752.650429][ T1167] netlink_rcv_skb+0x130/0x360 [ 5752.650429][ T1167] netlink_unicast+0x449/0x710 [ 5752.650429][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5752.650429][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5752.650429][ T1167] ___sys_sendmsg+0xee/0x170 [ 5752.650429][ T1167] __sys_sendmsg+0xcd/0x170 [ 5752.650429][ T1167] do_syscall_64+0xc6/0x1e0 [ 5752.650429][ T1167] [ 5752.652659][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5752.652659][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5752.652659][ T1167] ipv6_find_idev+0x102/0x170 [ 5752.652659][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5752.652659][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5752.652659][ T1167] netlink_rcv_skb+0x130/0x360 [ 5752.652659][ T1167] netlink_unicast+0x449/0x710 [ 5752.652659][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5752.652659][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5752.652659][ T1167] ___sys_sendmsg+0xee/0x170 [ 5752.652659][ T1167] __sys_sendmsg+0xcd/0x170 [ 5752.652659][ T1167] do_syscall_64+0xc6/0x1e0 [ 5752.652659][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5752.652659][ T1167] [ 5752.654385][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5752.654385][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5752.654385][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5752.654385][ T1167] ipv6_find_idev+0x102/0x170 [ 5752.654385][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5752.654385][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5752.654385][ T1167] netlink_rcv_skb+0x130/0x360 [ 5752.654385][ T1167] netlink_unicast+0x449/0x710 [ 5752.654385][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5752.654385][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5752.654385][ T1167] ___sys_sendmsg+0xee/0x170 [ 5752.654385][ T1167] __sys_sendmsg+0xcd/0x170 [ 5752.654385][ T1167] do_syscall_64+0xc6/0x1e0 [ 5752.654385][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5752.654385][ T1167] [ 5761.729113][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5761.729543][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5761.729543][ T10] netdev_get_by_index+0x5e/0x80 [ 5761.729543][ T10] fib6_nh_init+0x3d8/0x1580 [ 5761.729543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5761.729543][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5761.729543][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5761.729543][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5761.729543][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5761.729543][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5761.729543][ T10] addrconf_dad_begin+0x310/0x670 [ 5761.729543][ T10] addrconf_dad_work+0x10b/0xab0 [ 5761.729543][ T10] process_one_work+0x84d/0x18a0 [ 5761.729543][ T10] worker_thread+0x587/0xd30 [ 5761.729543][ T10] kthread+0x28a/0x350 [ 5761.729543][ T10] ret_from_fork+0x31/0x70 [ 5761.729543][ T10] ret_from_fork_asm+0x1a/0x30 [ 5761.729543][ T10] [ 5761.731485][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5761.731485][ T10] netdev_get_by_index+0x5e/0x80 [ 5761.731485][ T10] fib6_nh_init+0x3d8/0x1580 [ 5761.731485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5761.731485][ T10] ip6_route_add+0x1c/0x140 [ 5761.731485][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5761.731485][ T10] inet6_addr_add+0x4f8/0xa40 [ 5761.731485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5761.731485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.731485][ T10] netlink_rcv_skb+0x130/0x360 [ 5761.731485][ T10] netlink_unicast+0x449/0x710 [ 5761.731485][ T10] netlink_sendmsg+0x723/0xbe0 [ 5761.731485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5761.731485][ T10] ___sys_sendmsg+0xee/0x170 [ 5761.731485][ T10] __sys_sendmsg+0xcd/0x170 [ 5761.731485][ T10] do_syscall_64+0xc6/0x1e0 [ 5761.731485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.731485][ T10] [ 5761.733485][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5761.733485][ T10] netdev_get_by_index+0x5e/0x80 [ 5761.733485][ T10] fib6_nh_init+0x3d8/0x1580 [ 5761.733485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5761.733485][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5761.733485][ T10] ipv6_add_addr+0x411/0x2000 [ 5761.733485][ T10] inet6_addr_add+0x30e/0xa40 [ 5761.733485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5761.733485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.733485][ T10] netlink_rcv_skb+0x130/0x360 [ 5761.733485][ T10] netlink_unicast+0x449/0x710 [ 5761.733485][ T10] netlink_sendmsg+0x723/0xbe0 [ 5761.733485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5761.733485][ T10] ___sys_sendmsg+0xee/0x170 [ 5761.733485][ T10] __sys_sendmsg+0xcd/0x170 [ 5761.733485][ T10] do_syscall_64+0xc6/0x1e0 [ 5761.733485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.733485][ T10] [ 5761.735477][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5761.735477][ T10] netdev_get_by_index+0x5e/0x80 [ 5761.735477][ T10] fib6_nh_init+0x3d8/0x1580 [ 5761.735477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5761.735477][ T10] ip6_route_add+0x1c/0x140 [ 5761.735477][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5761.735477][ T10] addrconf_add_dev+0xe2/0x170 [ 5761.735477][ T10] inet6_addr_add+0x12f/0xa40 [ 5761.735477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5761.735477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.735477][ T10] netlink_rcv_skb+0x130/0x360 [ 5761.735477][ T10] netlink_unicast+0x449/0x710 [ 5761.735477][ T10] netlink_sendmsg+0x723/0xbe0 [ 5761.735477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5761.735477][ T10] ___sys_sendmsg+0xee/0x170 [ 5761.735477][ T10] __sys_sendmsg+0xcd/0x170 [ 5761.735477][ T10] do_syscall_64+0xc6/0x1e0 [ 5761.735477][ T10] [ 5761.737446][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5761.737446][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5761.737446][ T10] ipv6_find_idev+0x102/0x170 [ 5761.737446][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5761.737446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.737446][ T10] netlink_rcv_skb+0x130/0x360 [ 5761.737446][ T10] netlink_unicast+0x449/0x710 [ 5761.737446][ T10] netlink_sendmsg+0x723/0xbe0 [ 5761.737446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5761.737446][ T10] ___sys_sendmsg+0xee/0x170 [ 5761.737446][ T10] __sys_sendmsg+0xcd/0x170 [ 5761.737446][ T10] do_syscall_64+0xc6/0x1e0 [ 5761.737446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.737446][ T10] [ 5761.738981][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5761.738981][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5761.738981][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5761.738981][ T10] ipv6_find_idev+0x102/0x170 [ 5761.738981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5761.738981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.738981][ T10] netlink_rcv_skb+0x130/0x360 [ 5761.738981][ T10] netlink_unicast+0x449/0x710 [ 5761.738981][ T10] netlink_sendmsg+0x723/0xbe0 [ 5761.738981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5761.738981][ T10] ___sys_sendmsg+0xee/0x170 [ 5761.738981][ T10] __sys_sendmsg+0xcd/0x170 [ 5761.738981][ T10] do_syscall_64+0xc6/0x1e0 [ 5761.738981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.738981][ T10] [ 5761.740658][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5761.740931][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5761.740931][ T10] netdev_get_by_index+0x5e/0x80 [ 5761.740931][ T10] fib6_nh_init+0x3d8/0x1580 [ 5761.740931][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5761.740931][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5761.740931][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5761.740931][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5761.740931][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5761.740931][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5761.740931][ T10] addrconf_dad_begin+0x310/0x670 [ 5761.740931][ T10] addrconf_dad_work+0x10b/0xab0 [ 5761.740931][ T10] process_one_work+0x84d/0x18a0 [ 5761.740931][ T10] worker_thread+0x587/0xd30 [ 5761.740931][ T10] kthread+0x28a/0x350 [ 5761.740931][ T10] ret_from_fork+0x31/0x70 [ 5761.740931][ T10] ret_from_fork_asm+0x1a/0x30 [ 5761.740931][ T10] [ 5761.742832][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5761.742832][ T10] netdev_get_by_index+0x5e/0x80 [ 5761.742832][ T10] fib6_nh_init+0x3d8/0x1580 [ 5761.742832][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5761.742832][ T10] ip6_route_add+0x1c/0x140 [ 5761.742832][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5761.742832][ T10] inet6_addr_add+0x4f8/0xa40 [ 5761.742832][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5761.742832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.742832][ T10] netlink_rcv_skb+0x130/0x360 [ 5761.742832][ T10] netlink_unicast+0x449/0x710 [ 5761.742832][ T10] netlink_sendmsg+0x723/0xbe0 [ 5761.742832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5761.742832][ T10] ___sys_sendmsg+0xee/0x170 [ 5761.742832][ T10] __sys_sendmsg+0xcd/0x170 [ 5761.742832][ T10] do_syscall_64+0xc6/0x1e0 [ 5761.742832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.742832][ T10] [ 5761.744829][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5761.744829][ T10] netdev_get_by_index+0x5e/0x80 [ 5761.744829][ T10] fib6_nh_init+0x3d8/0x1580 [ 5761.744829][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5761.744829][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5761.744829][ T10] ipv6_add_addr+0x411/0x2000 [ 5761.744829][ T10] inet6_addr_add+0x30e/0xa40 [ 5761.744829][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5761.744829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.744829][ T10] netlink_rcv_skb+0x130/0x360 [ 5761.744829][ T10] netlink_unicast+0x449/0x710 [ 5761.744829][ T10] netlink_sendmsg+0x723/0xbe0 [ 5761.744829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5761.744829][ T10] ___sys_sendmsg+0xee/0x170 [ 5761.744829][ T10] __sys_sendmsg+0xcd/0x170 [ 5761.744829][ T10] do_syscall_64+0xc6/0x1e0 [ 5761.744829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.744829][ T10] [ 5761.746829][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5761.746829][ T10] netdev_get_by_index+0x5e/0x80 [ 5761.746829][ T10] fib6_nh_init+0x3d8/0x1580 [ 5761.746829][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5761.746829][ T10] ip6_route_add+0x1c/0x140 [ 5761.746829][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5761.746829][ T10] addrconf_add_dev+0xe2/0x170 [ 5761.746829][ T10] inet6_addr_add+0x12f/0xa40 [ 5761.746829][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5761.746829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.746829][ T10] netlink_rcv_skb+0x130/0x360 [ 5761.746829][ T10] netlink_unicast+0x449/0x710 [ 5761.746829][ T10] netlink_sendmsg+0x723/0xbe0 [ 5761.746829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5761.746829][ T10] ___sys_sendmsg+0xee/0x170 [ 5761.746829][ T10] __sys_sendmsg+0xcd/0x170 [ 5761.746829][ T10] do_syscall_64+0xc6/0x1e0 [ 5761.746829][ T10] [ 5761.748792][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5761.748792][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5761.748792][ T10] ipv6_find_idev+0x102/0x170 [ 5761.748792][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5761.748792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.748792][ T10] netlink_rcv_skb+0x130/0x360 [ 5761.748792][ T10] netlink_unicast+0x449/0x710 [ 5761.748792][ T10] netlink_sendmsg+0x723/0xbe0 [ 5761.748792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5761.748792][ T10] ___sys_sendmsg+0xee/0x170 [ 5761.748792][ T10] __sys_sendmsg+0xcd/0x170 [ 5761.748792][ T10] do_syscall_64+0xc6/0x1e0 [ 5761.748792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.748792][ T10] [ 5761.750335][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5761.750335][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5761.750335][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5761.750335][ T10] ipv6_find_idev+0x102/0x170 [ 5761.750335][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5761.750335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.750335][ T10] netlink_rcv_skb+0x130/0x360 [ 5761.750335][ T10] netlink_unicast+0x449/0x710 [ 5761.750335][ T10] netlink_sendmsg+0x723/0xbe0 [ 5761.750335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5761.750335][ T10] ___sys_sendmsg+0xee/0x170 [ 5761.750335][ T10] __sys_sendmsg+0xcd/0x170 [ 5761.750335][ T10] do_syscall_64+0xc6/0x1e0 [ 5761.750335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.750335][ T10] [ 5761.752022][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5761.752257][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5761.752257][ T10] netdev_get_by_index+0x5e/0x80 [ 5761.752257][ T10] fib6_nh_init+0x3d8/0x1580 [ 5761.752257][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5761.752257][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5761.752257][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5761.752257][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5761.752257][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5761.752257][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5761.752257][ T10] addrconf_dad_begin+0x310/0x670 [ 5761.752257][ T10] addrconf_dad_work+0x10b/0xab0 [ 5761.752257][ T10] process_one_work+0x84d/0x18a0 [ 5761.752257][ T10] worker_thread+0x587/0xd30 [ 5761.752257][ T10] kthread+0x28a/0x350 [ 5761.752257][ T10] ret_from_fork+0x31/0x70 [ 5761.752257][ T10] ret_from_fork_asm+0x1a/0x30 [ 5761.752257][ T10] [ 5761.754166][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5761.754166][ T10] netdev_get_by_index+0x5e/0x80 [ 5761.754166][ T10] fib6_nh_init+0x3d8/0x1580 [ 5761.754166][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5761.754166][ T10] ip6_route_add+0x1c/0x140 [ 5761.754166][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5761.754166][ T10] inet6_addr_add+0x4f8/0xa40 [ 5761.754166][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5761.754166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.754166][ T10] netlink_rcv_skb+0x130/0x360 [ 5761.754166][ T10] netlink_unicast+0x449/0x710 [ 5761.754166][ T10] netlink_sendmsg+0x723/0xbe0 [ 5761.754166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5761.754166][ T10] ___sys_sendmsg+0xee/0x170 [ 5761.754166][ T10] __sys_sendmsg+0xcd/0x170 [ 5761.754166][ T10] do_syscall_64+0xc6/0x1e0 [ 5761.754166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.754166][ T10] [ 5761.756402][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5761.756402][ T10] netdev_get_by_index+0x5e/0x80 [ 5761.756402][ T10] fib6_nh_init+0x3d8/0x1580 [ 5761.756402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5761.756402][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5761.756402][ T10] ipv6_add_addr+0x411/0x2000 [ 5761.756402][ T10] inet6_addr_add+0x30e/0xa40 [ 5761.756402][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5761.756402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.756402][ T10] netlink_rcv_skb+0x130/0x360 [ 5761.756402][ T10] netlink_unicast+0x449/0x710 [ 5761.756402][ T10] netlink_sendmsg+0x723/0xbe0 [ 5761.756402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5761.756402][ T10] ___sys_sendmsg+0xee/0x170 [ 5761.756402][ T10] __sys_sendmsg+0xcd/0x170 [ 5761.756402][ T10] do_syscall_64+0xc6/0x1e0 [ 5761.756402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.756402][ T10] [ 5761.758641][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5761.758641][ T10] netdev_get_by_index+0x5e/0x80 [ 5761.758641][ T10] fib6_nh_init+0x3d8/0x1580 [ 5761.758641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5761.758641][ T10] ip6_route_add+0x1c/0x140 [ 5761.758641][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5761.758641][ T10] addrconf_add_dev+0xe2/0x170 [ 5761.758641][ T10] inet6_addr_add+0x12f/0xa40 [ 5761.758641][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5761.758641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.758641][ T10] netlink_rcv_skb+0x130/0x360 [ 5761.758641][ T10] netlink_unicast+0x449/0x710 [ 5761.758641][ T10] netlink_sendmsg+0x723/0xbe0 [ 5761.758641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5761.758641][ T10] ___sys_sendmsg+0xee/0x170 [ 5761.758641][ T10] __sys_sendmsg+0xcd/0x170 [ 5761.758641][ T10] do_syscall_64+0xc6/0x1e0 [ 5761.758641][ T10] [ 5761.760772][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5761.760772][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5761.760772][ T10] ipv6_find_idev+0x102/0x170 [ 5761.760772][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5761.760772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.760772][ T10] netlink_rcv_skb+0x130/0x360 [ 5761.760772][ T10] netlink_unicast+0x449/0x710 [ 5761.760772][ T10] netlink_sendmsg+0x723/0xbe0 [ 5761.760772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5761.760772][ T10] ___sys_sendmsg+0xee/0x170 [ 5761.760772][ T10] __sys_sendmsg+0xcd/0x170 [ 5761.760772][ T10] do_syscall_64+0xc6/0x1e0 [ 5761.760772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.760772][ T10] [ 5761.762495][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5761.762495][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5761.762495][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5761.762495][ T10] ipv6_find_idev+0x102/0x170 [ 5761.762495][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5761.762495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.762495][ T10] netlink_rcv_skb+0x130/0x360 [ 5761.762495][ T10] netlink_unicast+0x449/0x710 [ 5761.762495][ T10] netlink_sendmsg+0x723/0xbe0 [ 5761.762495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5761.762495][ T10] ___sys_sendmsg+0xee/0x170 [ 5761.762495][ T10] __sys_sendmsg+0xcd/0x170 [ 5761.762495][ T10] do_syscall_64+0xc6/0x1e0 [ 5761.762495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.762495][ T10] [ 5761.764475][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5761.764714][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5761.764714][ T10] netdev_get_by_index+0x5e/0x80 [ 5761.764714][ T10] fib6_nh_init+0x3d8/0x1580 [ 5761.764714][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5761.764714][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5761.764714][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5761.764714][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5761.764714][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5761.764714][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5761.764714][ T10] addrconf_dad_begin+0x310/0x670 [ 5761.764714][ T10] addrconf_dad_work+0x10b/0xab0 [ 5761.764714][ T10] process_one_work+0x84d/0x18a0 [ 5761.764714][ T10] worker_thread+0x587/0xd30 [ 5761.764714][ T10] kthread+0x28a/0x350 [ 5761.764714][ T10] ret_from_fork+0x31/0x70 [ 5761.764714][ T10] ret_from_fork_asm+0x1a/0x30 [ 5761.764714][ T10] [ 5761.766857][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5761.766857][ T10] netdev_get_by_index+0x5e/0x80 [ 5761.766857][ T10] fib6_nh_init+0x3d8/0x1580 [ 5761.766857][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5761.766857][ T10] ip6_route_add+0x1c/0x140 [ 5761.766857][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5761.766857][ T10] inet6_addr_add+0x4f8/0xa40 [ 5761.766857][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5761.766857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.766857][ T10] netlink_rcv_skb+0x130/0x360 [ 5761.766857][ T10] netlink_unicast+0x449/0x710 [ 5761.766857][ T10] netlink_sendmsg+0x723/0xbe0 [ 5761.766857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5761.766857][ T10] ___sys_sendmsg+0xee/0x170 [ 5761.766857][ T10] __sys_sendmsg+0xcd/0x170 [ 5761.766857][ T10] do_syscall_64+0xc6/0x1e0 [ 5761.766857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.766857][ T10] [ 5761.769033][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5761.769033][ T10] netdev_get_by_index+0x5e/0x80 [ 5761.769033][ T10] fib6_nh_init+0x3d8/0x1580 [ 5761.769033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5761.769033][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5761.769033][ T10] ipv6_add_addr+0x411/0x2000 [ 5761.769033][ T10] inet6_addr_add+0x30e/0xa40 [ 5761.769033][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5761.769033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.769033][ T10] netlink_rcv_skb+0x130/0x360 [ 5761.769033][ T10] netlink_unicast+0x449/0x710 [ 5761.769033][ T10] netlink_sendmsg+0x723/0xbe0 [ 5761.769033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5761.769033][ T10] ___sys_sendmsg+0xee/0x170 [ 5761.769033][ T10] __sys_sendmsg+0xcd/0x170 [ 5761.769033][ T10] do_syscall_64+0xc6/0x1e0 [ 5761.769033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.769033][ T10] [ 5761.771274][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5761.771274][ T10] netdev_get_by_index+0x5e/0x80 [ 5761.771274][ T10] fib6_nh_init+0x3d8/0x1580 [ 5761.771274][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5761.771274][ T10] ip6_route_add+0x1c/0x140 [ 5761.771274][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5761.771274][ T10] addrconf_add_dev+0xe2/0x170 [ 5761.771274][ T10] inet6_addr_add+0x12f/0xa40 [ 5761.771274][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5761.771274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.771274][ T10] netlink_rcv_skb+0x130/0x360 [ 5761.771274][ T10] netlink_unicast+0x449/0x710 [ 5761.771274][ T10] netlink_sendmsg+0x723/0xbe0 [ 5761.771274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5761.771274][ T10] ___sys_sendmsg+0xee/0x170 [ 5761.771274][ T10] __sys_sendmsg+0xcd/0x170 [ 5761.771274][ T10] do_syscall_64+0xc6/0x1e0 [ 5761.771274][ T10] [ 5761.773534][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5761.773534][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5761.773534][ T10] ipv6_find_idev+0x102/0x170 [ 5761.773534][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5761.773534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.773534][ T10] netlink_rcv_skb+0x130/0x360 [ 5761.773534][ T10] netlink_unicast+0x449/0x710 [ 5761.773534][ T10] netlink_sendmsg+0x723/0xbe0 [ 5761.773534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5761.773534][ T10] ___sys_sendmsg+0xee/0x170 [ 5761.773534][ T10] __sys_sendmsg+0xcd/0x170 [ 5761.773534][ T10] do_syscall_64+0xc6/0x1e0 [ 5761.773534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.773534][ T10] [ 5761.775248][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5761.775248][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5761.775248][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5761.775248][ T10] ipv6_find_idev+0x102/0x170 [ 5761.775248][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5761.775248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5761.775248][ T10] netlink_rcv_skb+0x130/0x360 [ 5761.775248][ T10] netlink_unicast+0x449/0x710 [ 5761.775248][ T10] netlink_sendmsg+0x723/0xbe0 [ 5761.775248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5761.775248][ T10] ___sys_sendmsg+0xee/0x170 [ 5761.775248][ T10] __sys_sendmsg+0xcd/0x170 [ 5761.775248][ T10] do_syscall_64+0xc6/0x1e0 [ 5761.775248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5761.775248][ T10] [ 5762.897112][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5762.897597][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5762.897597][ T1167] dst_init+0x84/0x4a0 [ 5762.897597][ T1167] dst_alloc+0x97/0x150 [ 5762.897597][ T1167] ip6_dst_alloc+0x23/0x90 [ 5762.897597][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5762.897597][ T1167] ip6_pol_route+0x56f/0x840 [ 5762.897597][ T1167] fib6_rule_lookup+0x334/0x630 [ 5762.897597][ T1167] ip6_route_output_flags+0x259/0x480 [ 5762.897597][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5762.897597][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5762.897597][ T1167] netlink_rcv_skb+0x130/0x360 [ 5762.897597][ T1167] netlink_unicast+0x449/0x710 [ 5762.897597][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5762.897597][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5762.897597][ T1167] ___sys_sendmsg+0xee/0x170 [ 5762.897597][ T1167] __sys_sendmsg+0xcd/0x170 [ 5762.897597][ T1167] do_syscall_64+0xc6/0x1e0 [ 5762.897597][ T1167] [ 5762.899794][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5762.899794][ T1167] netdev_get_by_index+0x5e/0x80 [ 5762.899794][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5762.899794][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5762.899794][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5762.899794][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5762.899794][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5762.899794][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5762.899794][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5762.899794][ T1167] addrconf_dad_begin+0x310/0x670 [ 5762.899794][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5762.899794][ T1167] process_one_work+0x84d/0x18a0 [ 5762.899794][ T1167] worker_thread+0x587/0xd30 [ 5762.899794][ T1167] kthread+0x28a/0x350 [ 5762.899794][ T1167] ret_from_fork+0x31/0x70 [ 5762.899794][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5762.899794][ T1167] [ 5762.901976][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5762.901976][ T1167] netdev_get_by_index+0x5e/0x80 [ 5762.901976][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5762.901976][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5762.901976][ T1167] ip6_route_add+0x1c/0x140 [ 5762.901976][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5762.901976][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5762.901976][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5762.901976][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5762.901976][ T1167] netlink_rcv_skb+0x130/0x360 [ 5762.901976][ T1167] netlink_unicast+0x449/0x710 [ 5762.901976][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5762.901976][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5762.901976][ T1167] ___sys_sendmsg+0xee/0x170 [ 5762.901976][ T1167] __sys_sendmsg+0xcd/0x170 [ 5762.901976][ T1167] do_syscall_64+0xc6/0x1e0 [ 5762.901976][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5762.901976][ T1167] [ 5762.904226][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5762.904226][ T1167] netdev_get_by_index+0x5e/0x80 [ 5762.904226][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5762.904226][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5762.904226][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5762.904226][ T1167] ipv6_add_addr+0x411/0x2000 [ 5762.904226][ T1167] inet6_addr_add+0x30e/0xa40 [ 5762.904226][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5762.904226][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5762.904226][ T1167] netlink_rcv_skb+0x130/0x360 [ 5762.904226][ T1167] netlink_unicast+0x449/0x710 [ 5762.904226][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5762.904226][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5762.904226][ T1167] ___sys_sendmsg+0xee/0x170 [ 5762.904226][ T1167] __sys_sendmsg+0xcd/0x170 [ 5762.904226][ T1167] do_syscall_64+0xc6/0x1e0 [ 5762.904226][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5762.904226][ T1167] [ 5762.906478][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5762.906478][ T1167] netdev_get_by_index+0x5e/0x80 [ 5762.906478][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5762.906478][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5762.906478][ T1167] ip6_route_add+0x1c/0x140 [ 5762.906478][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5762.906478][ T1167] addrconf_add_dev+0xe2/0x170 [ 5762.906478][ T1167] inet6_addr_add+0x12f/0xa40 [ 5762.906478][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5762.906478][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5762.906478][ T1167] netlink_rcv_skb+0x130/0x360 [ 5762.906478][ T1167] netlink_unicast+0x449/0x710 [ 5762.906478][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5762.906478][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5762.906478][ T1167] ___sys_sendmsg+0xee/0x170 [ 5762.906478][ T1167] __sys_sendmsg+0xcd/0x170 [ 5762.906478][ T1167] do_syscall_64+0xc6/0x1e0 [ 5762.906478][ T1167] [ 5762.908684][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5762.908684][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5762.908684][ T1167] ipv6_find_idev+0x102/0x170 [ 5762.908684][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5762.908684][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5762.908684][ T1167] netlink_rcv_skb+0x130/0x360 [ 5762.908684][ T1167] netlink_unicast+0x449/0x710 [ 5762.908684][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5762.908684][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5762.908684][ T1167] ___sys_sendmsg+0xee/0x170 [ 5762.908684][ T1167] __sys_sendmsg+0xcd/0x170 [ 5762.908684][ T1167] do_syscall_64+0xc6/0x1e0 [ 5762.908684][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5762.908684][ T1167] [ 5762.910415][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5762.910415][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5762.910415][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5762.910415][ T1167] ipv6_find_idev+0x102/0x170 [ 5762.910415][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5762.910415][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5762.910415][ T1167] netlink_rcv_skb+0x130/0x360 [ 5762.910415][ T1167] netlink_unicast+0x449/0x710 [ 5762.910415][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5762.910415][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5762.910415][ T1167] ___sys_sendmsg+0xee/0x170 [ 5762.910415][ T1167] __sys_sendmsg+0xcd/0x170 [ 5762.910415][ T1167] do_syscall_64+0xc6/0x1e0 [ 5762.910415][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5762.910415][ T1167] [ 5772.017036][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5772.017435][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5772.017435][ T10] netdev_get_by_index+0x5e/0x80 [ 5772.017435][ T10] fib6_nh_init+0x3d8/0x1580 [ 5772.017435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5772.017435][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5772.017435][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5772.017435][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5772.017435][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5772.017435][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5772.017435][ T10] addrconf_dad_begin+0x310/0x670 [ 5772.017435][ T10] addrconf_dad_work+0x10b/0xab0 [ 5772.017435][ T10] process_one_work+0x84d/0x18a0 [ 5772.017435][ T10] worker_thread+0x587/0xd30 [ 5772.017435][ T10] kthread+0x28a/0x350 [ 5772.017435][ T10] ret_from_fork+0x31/0x70 [ 5772.017435][ T10] ret_from_fork_asm+0x1a/0x30 [ 5772.017435][ T10] [ 5772.019423][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5772.019423][ T10] netdev_get_by_index+0x5e/0x80 [ 5772.019423][ T10] fib6_nh_init+0x3d8/0x1580 [ 5772.019423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5772.019423][ T10] ip6_route_add+0x1c/0x140 [ 5772.019423][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5772.019423][ T10] inet6_addr_add+0x4f8/0xa40 [ 5772.019423][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5772.019423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.019423][ T10] netlink_rcv_skb+0x130/0x360 [ 5772.019423][ T10] netlink_unicast+0x449/0x710 [ 5772.019423][ T10] netlink_sendmsg+0x723/0xbe0 [ 5772.019423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5772.019423][ T10] ___sys_sendmsg+0xee/0x170 [ 5772.019423][ T10] __sys_sendmsg+0xcd/0x170 [ 5772.019423][ T10] do_syscall_64+0xc6/0x1e0 [ 5772.019423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.019423][ T10] [ 5772.021441][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5772.021441][ T10] netdev_get_by_index+0x5e/0x80 [ 5772.021441][ T10] fib6_nh_init+0x3d8/0x1580 [ 5772.021441][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5772.021441][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5772.021441][ T10] ipv6_add_addr+0x411/0x2000 [ 5772.021441][ T10] inet6_addr_add+0x30e/0xa40 [ 5772.021441][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5772.021441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.021441][ T10] netlink_rcv_skb+0x130/0x360 [ 5772.021441][ T10] netlink_unicast+0x449/0x710 [ 5772.021441][ T10] netlink_sendmsg+0x723/0xbe0 [ 5772.021441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5772.021441][ T10] ___sys_sendmsg+0xee/0x170 [ 5772.021441][ T10] __sys_sendmsg+0xcd/0x170 [ 5772.021441][ T10] do_syscall_64+0xc6/0x1e0 [ 5772.021441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.021441][ T10] [ 5772.023454][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5772.023454][ T10] netdev_get_by_index+0x5e/0x80 [ 5772.023454][ T10] fib6_nh_init+0x3d8/0x1580 [ 5772.023454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5772.023454][ T10] ip6_route_add+0x1c/0x140 [ 5772.023454][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5772.023454][ T10] addrconf_add_dev+0xe2/0x170 [ 5772.023454][ T10] inet6_addr_add+0x12f/0xa40 [ 5772.023454][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5772.023454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.023454][ T10] netlink_rcv_skb+0x130/0x360 [ 5772.023454][ T10] netlink_unicast+0x449/0x710 [ 5772.023454][ T10] netlink_sendmsg+0x723/0xbe0 [ 5772.023454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5772.023454][ T10] ___sys_sendmsg+0xee/0x170 [ 5772.023454][ T10] __sys_sendmsg+0xcd/0x170 [ 5772.023454][ T10] do_syscall_64+0xc6/0x1e0 [ 5772.023454][ T10] [ 5772.025420][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5772.025420][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5772.025420][ T10] ipv6_find_idev+0x102/0x170 [ 5772.025420][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5772.025420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.025420][ T10] netlink_rcv_skb+0x130/0x360 [ 5772.025420][ T10] netlink_unicast+0x449/0x710 [ 5772.025420][ T10] netlink_sendmsg+0x723/0xbe0 [ 5772.025420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5772.025420][ T10] ___sys_sendmsg+0xee/0x170 [ 5772.025420][ T10] __sys_sendmsg+0xcd/0x170 [ 5772.025420][ T10] do_syscall_64+0xc6/0x1e0 [ 5772.025420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.025420][ T10] [ 5772.026966][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5772.026966][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5772.026966][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5772.026966][ T10] ipv6_find_idev+0x102/0x170 [ 5772.026966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5772.026966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.026966][ T10] netlink_rcv_skb+0x130/0x360 [ 5772.026966][ T10] netlink_unicast+0x449/0x710 [ 5772.026966][ T10] netlink_sendmsg+0x723/0xbe0 [ 5772.026966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5772.026966][ T10] ___sys_sendmsg+0xee/0x170 [ 5772.026966][ T10] __sys_sendmsg+0xcd/0x170 [ 5772.026966][ T10] do_syscall_64+0xc6/0x1e0 [ 5772.026966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.026966][ T10] [ 5772.028657][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5772.028905][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5772.028905][ T10] netdev_get_by_index+0x5e/0x80 [ 5772.028905][ T10] fib6_nh_init+0x3d8/0x1580 [ 5772.028905][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5772.028905][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5772.028905][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5772.028905][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5772.028905][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5772.028905][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5772.028905][ T10] addrconf_dad_begin+0x310/0x670 [ 5772.028905][ T10] addrconf_dad_work+0x10b/0xab0 [ 5772.028905][ T10] process_one_work+0x84d/0x18a0 [ 5772.028905][ T10] worker_thread+0x587/0xd30 [ 5772.028905][ T10] kthread+0x28a/0x350 [ 5772.028905][ T10] ret_from_fork+0x31/0x70 [ 5772.028905][ T10] ret_from_fork_asm+0x1a/0x30 [ 5772.028905][ T10] [ 5772.030805][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5772.030805][ T10] netdev_get_by_index+0x5e/0x80 [ 5772.030805][ T10] fib6_nh_init+0x3d8/0x1580 [ 5772.030805][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5772.030805][ T10] ip6_route_add+0x1c/0x140 [ 5772.030805][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5772.030805][ T10] inet6_addr_add+0x4f8/0xa40 [ 5772.030805][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5772.030805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.030805][ T10] netlink_rcv_skb+0x130/0x360 [ 5772.030805][ T10] netlink_unicast+0x449/0x710 [ 5772.030805][ T10] netlink_sendmsg+0x723/0xbe0 [ 5772.030805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5772.030805][ T10] ___sys_sendmsg+0xee/0x170 [ 5772.030805][ T10] __sys_sendmsg+0xcd/0x170 [ 5772.030805][ T10] do_syscall_64+0xc6/0x1e0 [ 5772.030805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.030805][ T10] [ 5772.032807][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5772.032807][ T10] netdev_get_by_index+0x5e/0x80 [ 5772.032807][ T10] fib6_nh_init+0x3d8/0x1580 [ 5772.032807][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5772.032807][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5772.032807][ T10] ipv6_add_addr+0x411/0x2000 [ 5772.032807][ T10] inet6_addr_add+0x30e/0xa40 [ 5772.032807][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5772.032807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.032807][ T10] netlink_rcv_skb+0x130/0x360 [ 5772.032807][ T10] netlink_unicast+0x449/0x710 [ 5772.032807][ T10] netlink_sendmsg+0x723/0xbe0 [ 5772.032807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5772.032807][ T10] ___sys_sendmsg+0xee/0x170 [ 5772.032807][ T10] __sys_sendmsg+0xcd/0x170 [ 5772.032807][ T10] do_syscall_64+0xc6/0x1e0 [ 5772.032807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.032807][ T10] [ 5772.034807][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5772.034807][ T10] netdev_get_by_index+0x5e/0x80 [ 5772.034807][ T10] fib6_nh_init+0x3d8/0x1580 [ 5772.034807][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5772.034807][ T10] ip6_route_add+0x1c/0x140 [ 5772.034807][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5772.034807][ T10] addrconf_add_dev+0xe2/0x170 [ 5772.034807][ T10] inet6_addr_add+0x12f/0xa40 [ 5772.034807][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5772.034807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.034807][ T10] netlink_rcv_skb+0x130/0x360 [ 5772.034807][ T10] netlink_unicast+0x449/0x710 [ 5772.034807][ T10] netlink_sendmsg+0x723/0xbe0 [ 5772.034807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5772.034807][ T10] ___sys_sendmsg+0xee/0x170 [ 5772.034807][ T10] __sys_sendmsg+0xcd/0x170 [ 5772.034807][ T10] do_syscall_64+0xc6/0x1e0 [ 5772.034807][ T10] [ 5772.036772][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5772.036772][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5772.036772][ T10] ipv6_find_idev+0x102/0x170 [ 5772.036772][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5772.036772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.036772][ T10] netlink_rcv_skb+0x130/0x360 [ 5772.036772][ T10] netlink_unicast+0x449/0x710 [ 5772.036772][ T10] netlink_sendmsg+0x723/0xbe0 [ 5772.036772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5772.036772][ T10] ___sys_sendmsg+0xee/0x170 [ 5772.036772][ T10] __sys_sendmsg+0xcd/0x170 [ 5772.036772][ T10] do_syscall_64+0xc6/0x1e0 [ 5772.036772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.036772][ T10] [ 5772.038322][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5772.038322][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5772.038322][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5772.038322][ T10] ipv6_find_idev+0x102/0x170 [ 5772.038322][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5772.038322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.038322][ T10] netlink_rcv_skb+0x130/0x360 [ 5772.038322][ T10] netlink_unicast+0x449/0x710 [ 5772.038322][ T10] netlink_sendmsg+0x723/0xbe0 [ 5772.038322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5772.038322][ T10] ___sys_sendmsg+0xee/0x170 [ 5772.038322][ T10] __sys_sendmsg+0xcd/0x170 [ 5772.038322][ T10] do_syscall_64+0xc6/0x1e0 [ 5772.038322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.038322][ T10] [ 5772.040013][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5772.040249][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5772.040249][ T10] netdev_get_by_index+0x5e/0x80 [ 5772.040249][ T10] fib6_nh_init+0x3d8/0x1580 [ 5772.040249][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5772.040249][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5772.040249][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5772.040249][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5772.040249][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5772.040249][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5772.040249][ T10] addrconf_dad_begin+0x310/0x670 [ 5772.040249][ T10] addrconf_dad_work+0x10b/0xab0 [ 5772.040249][ T10] process_one_work+0x84d/0x18a0 [ 5772.040249][ T10] worker_thread+0x587/0xd30 [ 5772.040249][ T10] kthread+0x28a/0x350 [ 5772.040249][ T10] ret_from_fork+0x31/0x70 [ 5772.040249][ T10] ret_from_fork_asm+0x1a/0x30 [ 5772.040249][ T10] [ 5772.042189][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5772.042189][ T10] netdev_get_by_index+0x5e/0x80 [ 5772.042189][ T10] fib6_nh_init+0x3d8/0x1580 [ 5772.042189][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5772.042189][ T10] ip6_route_add+0x1c/0x140 [ 5772.042189][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5772.042189][ T10] inet6_addr_add+0x4f8/0xa40 [ 5772.042189][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5772.042189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.042189][ T10] netlink_rcv_skb+0x130/0x360 [ 5772.042189][ T10] netlink_unicast+0x449/0x710 [ 5772.042189][ T10] netlink_sendmsg+0x723/0xbe0 [ 5772.042189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5772.042189][ T10] ___sys_sendmsg+0xee/0x170 [ 5772.042189][ T10] __sys_sendmsg+0xcd/0x170 [ 5772.042189][ T10] do_syscall_64+0xc6/0x1e0 [ 5772.042189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.042189][ T10] [ 5772.044896][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5772.044896][ T10] netdev_get_by_index+0x5e/0x80 [ 5772.044896][ T10] fib6_nh_init+0x3d8/0x1580 [ 5772.044896][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5772.044896][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5772.044896][ T10] ipv6_add_addr+0x411/0x2000 [ 5772.044896][ T10] inet6_addr_add+0x30e/0xa40 [ 5772.044896][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5772.044896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.044896][ T10] netlink_rcv_skb+0x130/0x360 [ 5772.044896][ T10] netlink_unicast+0x449/0x710 [ 5772.044896][ T10] netlink_sendmsg+0x723/0xbe0 [ 5772.044896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5772.044896][ T10] ___sys_sendmsg+0xee/0x170 [ 5772.044896][ T10] __sys_sendmsg+0xcd/0x170 [ 5772.044896][ T10] do_syscall_64+0xc6/0x1e0 [ 5772.044896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.044896][ T10] [ 5772.047200][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5772.047200][ T10] netdev_get_by_index+0x5e/0x80 [ 5772.047200][ T10] fib6_nh_init+0x3d8/0x1580 [ 5772.047200][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5772.047200][ T10] ip6_route_add+0x1c/0x140 [ 5772.047200][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5772.047200][ T10] addrconf_add_dev+0xe2/0x170 [ 5772.047200][ T10] inet6_addr_add+0x12f/0xa40 [ 5772.047200][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5772.047200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.047200][ T10] netlink_rcv_skb+0x130/0x360 [ 5772.047200][ T10] netlink_unicast+0x449/0x710 [ 5772.047200][ T10] netlink_sendmsg+0x723/0xbe0 [ 5772.047200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5772.047200][ T10] ___sys_sendmsg+0xee/0x170 [ 5772.047200][ T10] __sys_sendmsg+0xcd/0x170 [ 5772.047200][ T10] do_syscall_64+0xc6/0x1e0 [ 5772.047200][ T10] [ 5772.049330][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5772.049330][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5772.049330][ T10] ipv6_find_idev+0x102/0x170 [ 5772.049330][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5772.049330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.049330][ T10] netlink_rcv_skb+0x130/0x360 [ 5772.049330][ T10] netlink_unicast+0x449/0x710 [ 5772.049330][ T10] netlink_sendmsg+0x723/0xbe0 [ 5772.049330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5772.049330][ T10] ___sys_sendmsg+0xee/0x170 [ 5772.049330][ T10] __sys_sendmsg+0xcd/0x170 [ 5772.049330][ T10] do_syscall_64+0xc6/0x1e0 [ 5772.049330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.049330][ T10] [ 5772.051055][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5772.051055][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5772.051055][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5772.051055][ T10] ipv6_find_idev+0x102/0x170 [ 5772.051055][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5772.051055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.051055][ T10] netlink_rcv_skb+0x130/0x360 [ 5772.051055][ T10] netlink_unicast+0x449/0x710 [ 5772.051055][ T10] netlink_sendmsg+0x723/0xbe0 [ 5772.051055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5772.051055][ T10] ___sys_sendmsg+0xee/0x170 [ 5772.051055][ T10] __sys_sendmsg+0xcd/0x170 [ 5772.051055][ T10] do_syscall_64+0xc6/0x1e0 [ 5772.051055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.051055][ T10] [ 5772.052908][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5772.053573][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5772.053573][ T10] netdev_get_by_index+0x5e/0x80 [ 5772.053573][ T10] fib6_nh_init+0x3d8/0x1580 [ 5772.053573][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5772.053573][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5772.053573][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5772.053573][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5772.053573][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5772.053573][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5772.053573][ T10] addrconf_dad_begin+0x310/0x670 [ 5772.053573][ T10] addrconf_dad_work+0x10b/0xab0 [ 5772.053573][ T10] process_one_work+0x84d/0x18a0 [ 5772.053573][ T10] worker_thread+0x587/0xd30 [ 5772.053573][ T10] kthread+0x28a/0x350 [ 5772.053573][ T10] ret_from_fork+0x31/0x70 [ 5772.053573][ T10] ret_from_fork_asm+0x1a/0x30 [ 5772.053573][ T10] [ 5772.055477][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5772.055477][ T10] netdev_get_by_index+0x5e/0x80 [ 5772.055477][ T10] fib6_nh_init+0x3d8/0x1580 [ 5772.055477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5772.055477][ T10] ip6_route_add+0x1c/0x140 [ 5772.055477][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5772.055477][ T10] inet6_addr_add+0x4f8/0xa40 [ 5772.055477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5772.055477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.055477][ T10] netlink_rcv_skb+0x130/0x360 [ 5772.055477][ T10] netlink_unicast+0x449/0x710 [ 5772.055477][ T10] netlink_sendmsg+0x723/0xbe0 [ 5772.055477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5772.055477][ T10] ___sys_sendmsg+0xee/0x170 [ 5772.055477][ T10] __sys_sendmsg+0xcd/0x170 [ 5772.055477][ T10] do_syscall_64+0xc6/0x1e0 [ 5772.055477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.055477][ T10] [ 5772.057524][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5772.057524][ T10] netdev_get_by_index+0x5e/0x80 [ 5772.057524][ T10] fib6_nh_init+0x3d8/0x1580 [ 5772.057524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5772.057524][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5772.057524][ T10] ipv6_add_addr+0x411/0x2000 [ 5772.057524][ T10] inet6_addr_add+0x30e/0xa40 [ 5772.057524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5772.057524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.057524][ T10] netlink_rcv_skb+0x130/0x360 [ 5772.057524][ T10] netlink_unicast+0x449/0x710 [ 5772.057524][ T10] netlink_sendmsg+0x723/0xbe0 [ 5772.057524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5772.057524][ T10] ___sys_sendmsg+0xee/0x170 [ 5772.057524][ T10] __sys_sendmsg+0xcd/0x170 [ 5772.057524][ T10] do_syscall_64+0xc6/0x1e0 [ 5772.057524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.057524][ T10] [ 5772.059832][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5772.059832][ T10] netdev_get_by_index+0x5e/0x80 [ 5772.059832][ T10] fib6_nh_init+0x3d8/0x1580 [ 5772.059832][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5772.059832][ T10] ip6_route_add+0x1c/0x140 [ 5772.059832][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5772.059832][ T10] addrconf_add_dev+0xe2/0x170 [ 5772.059832][ T10] inet6_addr_add+0x12f/0xa40 [ 5772.059832][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5772.059832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.059832][ T10] netlink_rcv_skb+0x130/0x360 [ 5772.059832][ T10] netlink_unicast+0x449/0x710 [ 5772.059832][ T10] netlink_sendmsg+0x723/0xbe0 [ 5772.059832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5772.059832][ T10] ___sys_sendmsg+0xee/0x170 [ 5772.059832][ T10] __sys_sendmsg+0xcd/0x170 [ 5772.059832][ T10] do_syscall_64+0xc6/0x1e0 [ 5772.059832][ T10] [ 5772.062034][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5772.062034][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5772.062034][ T10] ipv6_find_idev+0x102/0x170 [ 5772.062034][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5772.062034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.062034][ T10] netlink_rcv_skb+0x130/0x360 [ 5772.062034][ T10] netlink_unicast+0x449/0x710 [ 5772.062034][ T10] netlink_sendmsg+0x723/0xbe0 [ 5772.062034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5772.062034][ T10] ___sys_sendmsg+0xee/0x170 [ 5772.062034][ T10] __sys_sendmsg+0xcd/0x170 [ 5772.062034][ T10] do_syscall_64+0xc6/0x1e0 [ 5772.062034][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.062034][ T10] [ 5772.063756][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5772.063756][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5772.063756][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5772.063756][ T10] ipv6_find_idev+0x102/0x170 [ 5772.063756][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5772.063756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.063756][ T10] netlink_rcv_skb+0x130/0x360 [ 5772.063756][ T10] netlink_unicast+0x449/0x710 [ 5772.063756][ T10] netlink_sendmsg+0x723/0xbe0 [ 5772.063756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5772.063756][ T10] ___sys_sendmsg+0xee/0x170 [ 5772.063756][ T10] __sys_sendmsg+0xcd/0x170 [ 5772.063756][ T10] do_syscall_64+0xc6/0x1e0 [ 5772.063756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.063756][ T10] [ 5773.153053][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5773.153517][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5773.153517][ T1167] dst_init+0x84/0x4a0 [ 5773.153517][ T1167] dst_alloc+0x97/0x150 [ 5773.153517][ T1167] ip6_dst_alloc+0x23/0x90 [ 5773.153517][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5773.153517][ T1167] ip6_pol_route+0x56f/0x840 [ 5773.153517][ T1167] fib6_rule_lookup+0x334/0x630 [ 5773.153517][ T1167] ip6_route_output_flags+0x259/0x480 [ 5773.153517][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5773.153517][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5773.153517][ T1167] netlink_rcv_skb+0x130/0x360 [ 5773.153517][ T1167] netlink_unicast+0x449/0x710 [ 5773.153517][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5773.153517][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5773.153517][ T1167] ___sys_sendmsg+0xee/0x170 [ 5773.153517][ T1167] __sys_sendmsg+0xcd/0x170 [ 5773.153517][ T1167] do_syscall_64+0xc6/0x1e0 [ 5773.153517][ T1167] [ 5773.155739][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5773.155739][ T1167] netdev_get_by_index+0x5e/0x80 [ 5773.155739][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5773.155739][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5773.155739][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5773.155739][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5773.155739][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5773.155739][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5773.155739][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5773.155739][ T1167] addrconf_dad_begin+0x310/0x670 [ 5773.155739][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5773.155739][ T1167] process_one_work+0x84d/0x18a0 [ 5773.155739][ T1167] worker_thread+0x587/0xd30 [ 5773.155739][ T1167] kthread+0x28a/0x350 [ 5773.155739][ T1167] ret_from_fork+0x31/0x70 [ 5773.155739][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5773.155739][ T1167] [ 5773.158290][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5773.158290][ T1167] netdev_get_by_index+0x5e/0x80 [ 5773.158290][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5773.158290][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5773.158290][ T1167] ip6_route_add+0x1c/0x140 [ 5773.158290][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5773.158290][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5773.158290][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5773.158290][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5773.158290][ T1167] netlink_rcv_skb+0x130/0x360 [ 5773.158290][ T1167] netlink_unicast+0x449/0x710 [ 5773.158290][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5773.158290][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5773.158290][ T1167] ___sys_sendmsg+0xee/0x170 [ 5773.158290][ T1167] __sys_sendmsg+0xcd/0x170 [ 5773.158290][ T1167] do_syscall_64+0xc6/0x1e0 [ 5773.158290][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5773.158290][ T1167] [ 5773.160548][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5773.160548][ T1167] netdev_get_by_index+0x5e/0x80 [ 5773.160548][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5773.160548][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5773.160548][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5773.160548][ T1167] ipv6_add_addr+0x411/0x2000 [ 5773.160548][ T1167] inet6_addr_add+0x30e/0xa40 [ 5773.160548][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5773.160548][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5773.160548][ T1167] netlink_rcv_skb+0x130/0x360 [ 5773.160548][ T1167] netlink_unicast+0x449/0x710 [ 5773.160548][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5773.160548][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5773.160548][ T1167] ___sys_sendmsg+0xee/0x170 [ 5773.160548][ T1167] __sys_sendmsg+0xcd/0x170 [ 5773.160548][ T1167] do_syscall_64+0xc6/0x1e0 [ 5773.160548][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5773.160548][ T1167] [ 5773.162807][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5773.162807][ T1167] netdev_get_by_index+0x5e/0x80 [ 5773.162807][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5773.162807][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5773.162807][ T1167] ip6_route_add+0x1c/0x140 [ 5773.162807][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5773.162807][ T1167] addrconf_add_dev+0xe2/0x170 [ 5773.162807][ T1167] inet6_addr_add+0x12f/0xa40 [ 5773.162807][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5773.162807][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5773.162807][ T1167] netlink_rcv_skb+0x130/0x360 [ 5773.162807][ T1167] netlink_unicast+0x449/0x710 [ 5773.162807][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5773.162807][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5773.162807][ T1167] ___sys_sendmsg+0xee/0x170 [ 5773.162807][ T1167] __sys_sendmsg+0xcd/0x170 [ 5773.162807][ T1167] do_syscall_64+0xc6/0x1e0 [ 5773.162807][ T1167] [ 5773.165016][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5773.165016][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5773.165016][ T1167] ipv6_find_idev+0x102/0x170 [ 5773.165016][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5773.165016][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5773.165016][ T1167] netlink_rcv_skb+0x130/0x360 [ 5773.165016][ T1167] netlink_unicast+0x449/0x710 [ 5773.165016][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5773.165016][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5773.165016][ T1167] ___sys_sendmsg+0xee/0x170 [ 5773.165016][ T1167] __sys_sendmsg+0xcd/0x170 [ 5773.165016][ T1167] do_syscall_64+0xc6/0x1e0 [ 5773.165016][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5773.165016][ T1167] [ 5773.166749][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5773.166749][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5773.166749][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5773.166749][ T1167] ipv6_find_idev+0x102/0x170 [ 5773.166749][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5773.166749][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5773.166749][ T1167] netlink_rcv_skb+0x130/0x360 [ 5773.166749][ T1167] netlink_unicast+0x449/0x710 [ 5773.166749][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5773.166749][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5773.166749][ T1167] ___sys_sendmsg+0xee/0x170 [ 5773.166749][ T1167] __sys_sendmsg+0xcd/0x170 [ 5773.166749][ T1167] do_syscall_64+0xc6/0x1e0 [ 5773.166749][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5773.166749][ T1167] [ 5782.305116][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5782.305452][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5782.305452][ T10] netdev_get_by_index+0x5e/0x80 [ 5782.305452][ T10] fib6_nh_init+0x3d8/0x1580 [ 5782.305452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5782.305452][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5782.305452][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5782.305452][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5782.305452][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5782.305452][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5782.305452][ T10] addrconf_dad_begin+0x310/0x670 [ 5782.305452][ T10] addrconf_dad_work+0x10b/0xab0 [ 5782.305452][ T10] process_one_work+0x84d/0x18a0 [ 5782.305452][ T10] worker_thread+0x587/0xd30 [ 5782.305452][ T10] kthread+0x28a/0x350 [ 5782.305452][ T10] ret_from_fork+0x31/0x70 [ 5782.305452][ T10] ret_from_fork_asm+0x1a/0x30 [ 5782.305452][ T10] [ 5782.307388][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5782.307388][ T10] netdev_get_by_index+0x5e/0x80 [ 5782.307388][ T10] fib6_nh_init+0x3d8/0x1580 [ 5782.307388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5782.307388][ T10] ip6_route_add+0x1c/0x140 [ 5782.307388][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5782.307388][ T10] inet6_addr_add+0x4f8/0xa40 [ 5782.307388][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5782.307388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.307388][ T10] netlink_rcv_skb+0x130/0x360 [ 5782.307388][ T10] netlink_unicast+0x449/0x710 [ 5782.307388][ T10] netlink_sendmsg+0x723/0xbe0 [ 5782.307388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5782.307388][ T10] ___sys_sendmsg+0xee/0x170 [ 5782.307388][ T10] __sys_sendmsg+0xcd/0x170 [ 5782.307388][ T10] do_syscall_64+0xc6/0x1e0 [ 5782.307388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.307388][ T10] [ 5782.309387][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5782.309387][ T10] netdev_get_by_index+0x5e/0x80 [ 5782.309387][ T10] fib6_nh_init+0x3d8/0x1580 [ 5782.309387][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5782.309387][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5782.309387][ T10] ipv6_add_addr+0x411/0x2000 [ 5782.309387][ T10] inet6_addr_add+0x30e/0xa40 [ 5782.309387][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5782.309387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.309387][ T10] netlink_rcv_skb+0x130/0x360 [ 5782.309387][ T10] netlink_unicast+0x449/0x710 [ 5782.309387][ T10] netlink_sendmsg+0x723/0xbe0 [ 5782.309387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5782.309387][ T10] ___sys_sendmsg+0xee/0x170 [ 5782.309387][ T10] __sys_sendmsg+0xcd/0x170 [ 5782.309387][ T10] do_syscall_64+0xc6/0x1e0 [ 5782.309387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.309387][ T10] [ 5782.311381][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5782.311381][ T10] netdev_get_by_index+0x5e/0x80 [ 5782.311381][ T10] fib6_nh_init+0x3d8/0x1580 [ 5782.311381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5782.311381][ T10] ip6_route_add+0x1c/0x140 [ 5782.311381][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5782.311381][ T10] addrconf_add_dev+0xe2/0x170 [ 5782.311381][ T10] inet6_addr_add+0x12f/0xa40 [ 5782.311381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5782.311381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.311381][ T10] netlink_rcv_skb+0x130/0x360 [ 5782.311381][ T10] netlink_unicast+0x449/0x710 [ 5782.311381][ T10] netlink_sendmsg+0x723/0xbe0 [ 5782.311381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5782.311381][ T10] ___sys_sendmsg+0xee/0x170 [ 5782.311381][ T10] __sys_sendmsg+0xcd/0x170 [ 5782.311381][ T10] do_syscall_64+0xc6/0x1e0 [ 5782.311381][ T10] [ 5782.313333][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5782.313333][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5782.313333][ T10] ipv6_find_idev+0x102/0x170 [ 5782.313333][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5782.313333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.313333][ T10] netlink_rcv_skb+0x130/0x360 [ 5782.313333][ T10] netlink_unicast+0x449/0x710 [ 5782.313333][ T10] netlink_sendmsg+0x723/0xbe0 [ 5782.313333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5782.313333][ T10] ___sys_sendmsg+0xee/0x170 [ 5782.313333][ T10] __sys_sendmsg+0xcd/0x170 [ 5782.313333][ T10] do_syscall_64+0xc6/0x1e0 [ 5782.313333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.313333][ T10] [ 5782.314868][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5782.314868][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5782.314868][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5782.314868][ T10] ipv6_find_idev+0x102/0x170 [ 5782.314868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5782.314868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.314868][ T10] netlink_rcv_skb+0x130/0x360 [ 5782.314868][ T10] netlink_unicast+0x449/0x710 [ 5782.314868][ T10] netlink_sendmsg+0x723/0xbe0 [ 5782.314868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5782.314868][ T10] ___sys_sendmsg+0xee/0x170 [ 5782.314868][ T10] __sys_sendmsg+0xcd/0x170 [ 5782.314868][ T10] do_syscall_64+0xc6/0x1e0 [ 5782.314868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.314868][ T10] [ 5782.316582][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5782.316848][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5782.316848][ T10] netdev_get_by_index+0x5e/0x80 [ 5782.316848][ T10] fib6_nh_init+0x3d8/0x1580 [ 5782.316848][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5782.316848][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5782.316848][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5782.316848][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5782.316848][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5782.316848][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5782.316848][ T10] addrconf_dad_begin+0x310/0x670 [ 5782.316848][ T10] addrconf_dad_work+0x10b/0xab0 [ 5782.316848][ T10] process_one_work+0x84d/0x18a0 [ 5782.316848][ T10] worker_thread+0x587/0xd30 [ 5782.316848][ T10] kthread+0x28a/0x350 [ 5782.316848][ T10] ret_from_fork+0x31/0x70 [ 5782.316848][ T10] ret_from_fork_asm+0x1a/0x30 [ 5782.316848][ T10] [ 5782.318746][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5782.318746][ T10] netdev_get_by_index+0x5e/0x80 [ 5782.318746][ T10] fib6_nh_init+0x3d8/0x1580 [ 5782.318746][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5782.318746][ T10] ip6_route_add+0x1c/0x140 [ 5782.318746][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5782.318746][ T10] inet6_addr_add+0x4f8/0xa40 [ 5782.318746][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5782.318746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.318746][ T10] netlink_rcv_skb+0x130/0x360 [ 5782.318746][ T10] netlink_unicast+0x449/0x710 [ 5782.318746][ T10] netlink_sendmsg+0x723/0xbe0 [ 5782.318746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5782.318746][ T10] ___sys_sendmsg+0xee/0x170 [ 5782.318746][ T10] __sys_sendmsg+0xcd/0x170 [ 5782.318746][ T10] do_syscall_64+0xc6/0x1e0 [ 5782.318746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.318746][ T10] [ 5782.320730][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5782.320730][ T10] netdev_get_by_index+0x5e/0x80 [ 5782.320730][ T10] fib6_nh_init+0x3d8/0x1580 [ 5782.320730][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5782.320730][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5782.320730][ T10] ipv6_add_addr+0x411/0x2000 [ 5782.320730][ T10] inet6_addr_add+0x30e/0xa40 [ 5782.320730][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5782.320730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.320730][ T10] netlink_rcv_skb+0x130/0x360 [ 5782.320730][ T10] netlink_unicast+0x449/0x710 [ 5782.320730][ T10] netlink_sendmsg+0x723/0xbe0 [ 5782.320730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5782.320730][ T10] ___sys_sendmsg+0xee/0x170 [ 5782.320730][ T10] __sys_sendmsg+0xcd/0x170 [ 5782.320730][ T10] do_syscall_64+0xc6/0x1e0 [ 5782.320730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.320730][ T10] [ 5782.322726][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5782.322726][ T10] netdev_get_by_index+0x5e/0x80 [ 5782.322726][ T10] fib6_nh_init+0x3d8/0x1580 [ 5782.322726][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5782.322726][ T10] ip6_route_add+0x1c/0x140 [ 5782.322726][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5782.322726][ T10] addrconf_add_dev+0xe2/0x170 [ 5782.322726][ T10] inet6_addr_add+0x12f/0xa40 [ 5782.322726][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5782.322726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.322726][ T10] netlink_rcv_skb+0x130/0x360 [ 5782.322726][ T10] netlink_unicast+0x449/0x710 [ 5782.322726][ T10] netlink_sendmsg+0x723/0xbe0 [ 5782.322726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5782.322726][ T10] ___sys_sendmsg+0xee/0x170 [ 5782.322726][ T10] __sys_sendmsg+0xcd/0x170 [ 5782.322726][ T10] do_syscall_64+0xc6/0x1e0 [ 5782.322726][ T10] [ 5782.324674][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5782.324674][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5782.324674][ T10] ipv6_find_idev+0x102/0x170 [ 5782.324674][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5782.324674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.324674][ T10] netlink_rcv_skb+0x130/0x360 [ 5782.324674][ T10] netlink_unicast+0x449/0x710 [ 5782.324674][ T10] netlink_sendmsg+0x723/0xbe0 [ 5782.324674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5782.324674][ T10] ___sys_sendmsg+0xee/0x170 [ 5782.324674][ T10] __sys_sendmsg+0xcd/0x170 [ 5782.324674][ T10] do_syscall_64+0xc6/0x1e0 [ 5782.324674][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.324674][ T10] [ 5782.326202][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5782.326202][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5782.326202][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5782.326202][ T10] ipv6_find_idev+0x102/0x170 [ 5782.326202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5782.326202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.326202][ T10] netlink_rcv_skb+0x130/0x360 [ 5782.326202][ T10] netlink_unicast+0x449/0x710 [ 5782.326202][ T10] netlink_sendmsg+0x723/0xbe0 [ 5782.326202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5782.326202][ T10] ___sys_sendmsg+0xee/0x170 [ 5782.326202][ T10] __sys_sendmsg+0xcd/0x170 [ 5782.326202][ T10] do_syscall_64+0xc6/0x1e0 [ 5782.326202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.326202][ T10] [ 5782.327882][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5782.328138][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5782.328138][ T10] netdev_get_by_index+0x5e/0x80 [ 5782.328138][ T10] fib6_nh_init+0x3d8/0x1580 [ 5782.328138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5782.328138][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5782.328138][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5782.328138][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5782.328138][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5782.328138][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5782.328138][ T10] addrconf_dad_begin+0x310/0x670 [ 5782.328138][ T10] addrconf_dad_work+0x10b/0xab0 [ 5782.328138][ T10] process_one_work+0x84d/0x18a0 [ 5782.328138][ T10] worker_thread+0x587/0xd30 [ 5782.328138][ T10] kthread+0x28a/0x350 [ 5782.328138][ T10] ret_from_fork+0x31/0x70 [ 5782.328138][ T10] ret_from_fork_asm+0x1a/0x30 [ 5782.328138][ T10] [ 5782.330029][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5782.330029][ T10] netdev_get_by_index+0x5e/0x80 [ 5782.330029][ T10] fib6_nh_init+0x3d8/0x1580 [ 5782.330029][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5782.330029][ T10] ip6_route_add+0x1c/0x140 [ 5782.330029][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5782.330029][ T10] inet6_addr_add+0x4f8/0xa40 [ 5782.330029][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5782.330029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.330029][ T10] netlink_rcv_skb+0x130/0x360 [ 5782.330029][ T10] netlink_unicast+0x449/0x710 [ 5782.330029][ T10] netlink_sendmsg+0x723/0xbe0 [ 5782.330029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5782.330029][ T10] ___sys_sendmsg+0xee/0x170 [ 5782.330029][ T10] __sys_sendmsg+0xcd/0x170 [ 5782.330029][ T10] do_syscall_64+0xc6/0x1e0 [ 5782.330029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.330029][ T10] [ 5782.332342][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5782.332342][ T10] netdev_get_by_index+0x5e/0x80 [ 5782.332342][ T10] fib6_nh_init+0x3d8/0x1580 [ 5782.332342][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5782.332342][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5782.332342][ T10] ipv6_add_addr+0x411/0x2000 [ 5782.332342][ T10] inet6_addr_add+0x30e/0xa40 [ 5782.332342][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5782.332342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.332342][ T10] netlink_rcv_skb+0x130/0x360 [ 5782.332342][ T10] netlink_unicast+0x449/0x710 [ 5782.332342][ T10] netlink_sendmsg+0x723/0xbe0 [ 5782.332342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5782.332342][ T10] ___sys_sendmsg+0xee/0x170 [ 5782.332342][ T10] __sys_sendmsg+0xcd/0x170 [ 5782.332342][ T10] do_syscall_64+0xc6/0x1e0 [ 5782.332342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.332342][ T10] [ 5782.334570][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5782.334570][ T10] netdev_get_by_index+0x5e/0x80 [ 5782.334570][ T10] fib6_nh_init+0x3d8/0x1580 [ 5782.334570][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5782.334570][ T10] ip6_route_add+0x1c/0x140 [ 5782.334570][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5782.334570][ T10] addrconf_add_dev+0xe2/0x170 [ 5782.334570][ T10] inet6_addr_add+0x12f/0xa40 [ 5782.334570][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5782.334570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.334570][ T10] netlink_rcv_skb+0x130/0x360 [ 5782.334570][ T10] netlink_unicast+0x449/0x710 [ 5782.334570][ T10] netlink_sendmsg+0x723/0xbe0 [ 5782.334570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5782.334570][ T10] ___sys_sendmsg+0xee/0x170 [ 5782.334570][ T10] __sys_sendmsg+0xcd/0x170 [ 5782.334570][ T10] do_syscall_64+0xc6/0x1e0 [ 5782.334570][ T10] [ 5782.336706][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5782.336706][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5782.336706][ T10] ipv6_find_idev+0x102/0x170 [ 5782.336706][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5782.336706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.336706][ T10] netlink_rcv_skb+0x130/0x360 [ 5782.336706][ T10] netlink_unicast+0x449/0x710 [ 5782.336706][ T10] netlink_sendmsg+0x723/0xbe0 [ 5782.336706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5782.336706][ T10] ___sys_sendmsg+0xee/0x170 [ 5782.336706][ T10] __sys_sendmsg+0xcd/0x170 [ 5782.336706][ T10] do_syscall_64+0xc6/0x1e0 [ 5782.336706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.336706][ T10] [ 5782.338416][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5782.338416][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5782.338416][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5782.338416][ T10] ipv6_find_idev+0x102/0x170 [ 5782.338416][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5782.338416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.338416][ T10] netlink_rcv_skb+0x130/0x360 [ 5782.338416][ T10] netlink_unicast+0x449/0x710 [ 5782.338416][ T10] netlink_sendmsg+0x723/0xbe0 [ 5782.338416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5782.338416][ T10] ___sys_sendmsg+0xee/0x170 [ 5782.338416][ T10] __sys_sendmsg+0xcd/0x170 [ 5782.338416][ T10] do_syscall_64+0xc6/0x1e0 [ 5782.338416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.338416][ T10] [ 5782.340257][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5782.340492][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5782.340492][ T10] netdev_get_by_index+0x5e/0x80 [ 5782.340492][ T10] fib6_nh_init+0x3d8/0x1580 [ 5782.340492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5782.340492][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5782.340492][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5782.340492][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5782.340492][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5782.340492][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5782.340492][ T10] addrconf_dad_begin+0x310/0x670 [ 5782.340492][ T10] addrconf_dad_work+0x10b/0xab0 [ 5782.340492][ T10] process_one_work+0x84d/0x18a0 [ 5782.340492][ T10] worker_thread+0x587/0xd30 [ 5782.340492][ T10] kthread+0x28a/0x350 [ 5782.340492][ T10] ret_from_fork+0x31/0x70 [ 5782.340492][ T10] ret_from_fork_asm+0x1a/0x30 [ 5782.340492][ T10] [ 5782.342687][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5782.342687][ T10] netdev_get_by_index+0x5e/0x80 [ 5782.342687][ T10] fib6_nh_init+0x3d8/0x1580 [ 5782.342687][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5782.342687][ T10] ip6_route_add+0x1c/0x140 [ 5782.342687][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5782.342687][ T10] inet6_addr_add+0x4f8/0xa40 [ 5782.342687][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5782.342687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.342687][ T10] netlink_rcv_skb+0x130/0x360 [ 5782.342687][ T10] netlink_unicast+0x449/0x710 [ 5782.342687][ T10] netlink_sendmsg+0x723/0xbe0 [ 5782.342687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5782.342687][ T10] ___sys_sendmsg+0xee/0x170 [ 5782.342687][ T10] __sys_sendmsg+0xcd/0x170 [ 5782.342687][ T10] do_syscall_64+0xc6/0x1e0 [ 5782.342687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.342687][ T10] [ 5782.344834][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5782.344834][ T10] netdev_get_by_index+0x5e/0x80 [ 5782.344834][ T10] fib6_nh_init+0x3d8/0x1580 [ 5782.344834][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5782.344834][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5782.344834][ T10] ipv6_add_addr+0x411/0x2000 [ 5782.344834][ T10] inet6_addr_add+0x30e/0xa40 [ 5782.344834][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5782.344834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.344834][ T10] netlink_rcv_skb+0x130/0x360 [ 5782.344834][ T10] netlink_unicast+0x449/0x710 [ 5782.344834][ T10] netlink_sendmsg+0x723/0xbe0 [ 5782.344834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5782.344834][ T10] ___sys_sendmsg+0xee/0x170 [ 5782.344834][ T10] __sys_sendmsg+0xcd/0x170 [ 5782.344834][ T10] do_syscall_64+0xc6/0x1e0 [ 5782.344834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.344834][ T10] [ 5782.347048][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5782.347048][ T10] netdev_get_by_index+0x5e/0x80 [ 5782.347048][ T10] fib6_nh_init+0x3d8/0x1580 [ 5782.347048][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5782.347048][ T10] ip6_route_add+0x1c/0x140 [ 5782.347048][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5782.347048][ T10] addrconf_add_dev+0xe2/0x170 [ 5782.347048][ T10] inet6_addr_add+0x12f/0xa40 [ 5782.347048][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5782.347048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.347048][ T10] netlink_rcv_skb+0x130/0x360 [ 5782.347048][ T10] netlink_unicast+0x449/0x710 [ 5782.347048][ T10] netlink_sendmsg+0x723/0xbe0 [ 5782.347048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5782.347048][ T10] ___sys_sendmsg+0xee/0x170 [ 5782.347048][ T10] __sys_sendmsg+0xcd/0x170 [ 5782.347048][ T10] do_syscall_64+0xc6/0x1e0 [ 5782.347048][ T10] [ 5782.349247][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5782.349247][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5782.349247][ T10] ipv6_find_idev+0x102/0x170 [ 5782.349247][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5782.349247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.349247][ T10] netlink_rcv_skb+0x130/0x360 [ 5782.349247][ T10] netlink_unicast+0x449/0x710 [ 5782.349247][ T10] netlink_sendmsg+0x723/0xbe0 [ 5782.349247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5782.349247][ T10] ___sys_sendmsg+0xee/0x170 [ 5782.349247][ T10] __sys_sendmsg+0xcd/0x170 [ 5782.349247][ T10] do_syscall_64+0xc6/0x1e0 [ 5782.349247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.349247][ T10] [ 5782.351048][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5782.351048][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5782.351048][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5782.351048][ T10] ipv6_find_idev+0x102/0x170 [ 5782.351048][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5782.351048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5782.351048][ T10] netlink_rcv_skb+0x130/0x360 [ 5782.351048][ T10] netlink_unicast+0x449/0x710 [ 5782.351048][ T10] netlink_sendmsg+0x723/0xbe0 [ 5782.351048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5782.351048][ T10] ___sys_sendmsg+0xee/0x170 [ 5782.351048][ T10] __sys_sendmsg+0xcd/0x170 [ 5782.351048][ T10] do_syscall_64+0xc6/0x1e0 [ 5782.351048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5782.351048][ T10] [ 5783.409061][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5783.409481][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5783.409481][ T1167] dst_init+0x84/0x4a0 [ 5783.409481][ T1167] dst_alloc+0x97/0x150 [ 5783.409481][ T1167] ip6_dst_alloc+0x23/0x90 [ 5783.409481][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5783.409481][ T1167] ip6_pol_route+0x56f/0x840 [ 5783.409481][ T1167] fib6_rule_lookup+0x334/0x630 [ 5783.409481][ T1167] ip6_route_output_flags+0x259/0x480 [ 5783.409481][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5783.409481][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5783.409481][ T1167] netlink_rcv_skb+0x130/0x360 [ 5783.409481][ T1167] netlink_unicast+0x449/0x710 [ 5783.409481][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5783.409481][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5783.409481][ T1167] ___sys_sendmsg+0xee/0x170 [ 5783.409481][ T1167] __sys_sendmsg+0xcd/0x170 [ 5783.409481][ T1167] do_syscall_64+0xc6/0x1e0 [ 5783.409481][ T1167] [ 5783.411712][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5783.411712][ T1167] netdev_get_by_index+0x5e/0x80 [ 5783.411712][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5783.411712][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5783.411712][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5783.411712][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5783.411712][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5783.411712][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5783.411712][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5783.411712][ T1167] addrconf_dad_begin+0x310/0x670 [ 5783.411712][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5783.411712][ T1167] process_one_work+0x84d/0x18a0 [ 5783.411712][ T1167] worker_thread+0x587/0xd30 [ 5783.411712][ T1167] kthread+0x28a/0x350 [ 5783.411712][ T1167] ret_from_fork+0x31/0x70 [ 5783.411712][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5783.411712][ T1167] [ 5783.413869][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5783.413869][ T1167] netdev_get_by_index+0x5e/0x80 [ 5783.413869][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5783.413869][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5783.413869][ T1167] ip6_route_add+0x1c/0x140 [ 5783.413869][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5783.413869][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5783.413869][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5783.413869][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5783.413869][ T1167] netlink_rcv_skb+0x130/0x360 [ 5783.413869][ T1167] netlink_unicast+0x449/0x710 [ 5783.413869][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5783.413869][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5783.413869][ T1167] ___sys_sendmsg+0xee/0x170 [ 5783.413869][ T1167] __sys_sendmsg+0xcd/0x170 [ 5783.413869][ T1167] do_syscall_64+0xc6/0x1e0 [ 5783.413869][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5783.413869][ T1167] [ 5783.416126][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5783.416126][ T1167] netdev_get_by_index+0x5e/0x80 [ 5783.416126][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5783.416126][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5783.416126][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5783.416126][ T1167] ipv6_add_addr+0x411/0x2000 [ 5783.416126][ T1167] inet6_addr_add+0x30e/0xa40 [ 5783.416126][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5783.416126][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5783.416126][ T1167] netlink_rcv_skb+0x130/0x360 [ 5783.416126][ T1167] netlink_unicast+0x449/0x710 [ 5783.416126][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5783.416126][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5783.416126][ T1167] ___sys_sendmsg+0xee/0x170 [ 5783.416126][ T1167] __sys_sendmsg+0xcd/0x170 [ 5783.416126][ T1167] do_syscall_64+0xc6/0x1e0 [ 5783.416126][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5783.416126][ T1167] [ 5783.418500][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5783.418500][ T1167] netdev_get_by_index+0x5e/0x80 [ 5783.418500][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5783.418500][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5783.418500][ T1167] ip6_route_add+0x1c/0x140 [ 5783.418500][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5783.418500][ T1167] addrconf_add_dev+0xe2/0x170 [ 5783.418500][ T1167] inet6_addr_add+0x12f/0xa40 [ 5783.418500][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5783.418500][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5783.418500][ T1167] netlink_rcv_skb+0x130/0x360 [ 5783.418500][ T1167] netlink_unicast+0x449/0x710 [ 5783.418500][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5783.418500][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5783.418500][ T1167] ___sys_sendmsg+0xee/0x170 [ 5783.418500][ T1167] __sys_sendmsg+0xcd/0x170 [ 5783.418500][ T1167] do_syscall_64+0xc6/0x1e0 [ 5783.418500][ T1167] [ 5783.420713][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5783.420713][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5783.420713][ T1167] ipv6_find_idev+0x102/0x170 [ 5783.420713][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5783.420713][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5783.420713][ T1167] netlink_rcv_skb+0x130/0x360 [ 5783.420713][ T1167] netlink_unicast+0x449/0x710 [ 5783.420713][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5783.420713][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5783.420713][ T1167] ___sys_sendmsg+0xee/0x170 [ 5783.420713][ T1167] __sys_sendmsg+0xcd/0x170 [ 5783.420713][ T1167] do_syscall_64+0xc6/0x1e0 [ 5783.420713][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5783.420713][ T1167] [ 5783.422459][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5783.422459][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5783.422459][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5783.422459][ T1167] ipv6_find_idev+0x102/0x170 [ 5783.422459][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5783.422459][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5783.422459][ T1167] netlink_rcv_skb+0x130/0x360 [ 5783.422459][ T1167] netlink_unicast+0x449/0x710 [ 5783.422459][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5783.422459][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5783.422459][ T1167] ___sys_sendmsg+0xee/0x170 [ 5783.422459][ T1167] __sys_sendmsg+0xcd/0x170 [ 5783.422459][ T1167] do_syscall_64+0xc6/0x1e0 [ 5783.422459][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5783.422459][ T1167] [ 5792.593109][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5792.593456][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5792.593456][ T10] netdev_get_by_index+0x5e/0x80 [ 5792.593456][ T10] fib6_nh_init+0x3d8/0x1580 [ 5792.593456][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5792.593456][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5792.593456][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5792.593456][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5792.593456][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5792.593456][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5792.593456][ T10] addrconf_dad_begin+0x310/0x670 [ 5792.593456][ T10] addrconf_dad_work+0x10b/0xab0 [ 5792.593456][ T10] process_one_work+0x84d/0x18a0 [ 5792.593456][ T10] worker_thread+0x587/0xd30 [ 5792.593456][ T10] kthread+0x28a/0x350 [ 5792.593456][ T10] ret_from_fork+0x31/0x70 [ 5792.593456][ T10] ret_from_fork_asm+0x1a/0x30 [ 5792.593456][ T10] [ 5792.595392][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5792.595392][ T10] netdev_get_by_index+0x5e/0x80 [ 5792.595392][ T10] fib6_nh_init+0x3d8/0x1580 [ 5792.595392][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5792.595392][ T10] ip6_route_add+0x1c/0x140 [ 5792.595392][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5792.595392][ T10] inet6_addr_add+0x4f8/0xa40 [ 5792.595392][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5792.595392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.595392][ T10] netlink_rcv_skb+0x130/0x360 [ 5792.595392][ T10] netlink_unicast+0x449/0x710 [ 5792.595392][ T10] netlink_sendmsg+0x723/0xbe0 [ 5792.595392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5792.595392][ T10] ___sys_sendmsg+0xee/0x170 [ 5792.595392][ T10] __sys_sendmsg+0xcd/0x170 [ 5792.595392][ T10] do_syscall_64+0xc6/0x1e0 [ 5792.595392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.595392][ T10] [ 5792.597403][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5792.597403][ T10] netdev_get_by_index+0x5e/0x80 [ 5792.597403][ T10] fib6_nh_init+0x3d8/0x1580 [ 5792.597403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5792.597403][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5792.597403][ T10] ipv6_add_addr+0x411/0x2000 [ 5792.597403][ T10] inet6_addr_add+0x30e/0xa40 [ 5792.597403][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5792.597403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.597403][ T10] netlink_rcv_skb+0x130/0x360 [ 5792.597403][ T10] netlink_unicast+0x449/0x710 [ 5792.597403][ T10] netlink_sendmsg+0x723/0xbe0 [ 5792.597403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5792.597403][ T10] ___sys_sendmsg+0xee/0x170 [ 5792.597403][ T10] __sys_sendmsg+0xcd/0x170 [ 5792.597403][ T10] do_syscall_64+0xc6/0x1e0 [ 5792.597403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.597403][ T10] [ 5792.599412][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5792.599412][ T10] netdev_get_by_index+0x5e/0x80 [ 5792.599412][ T10] fib6_nh_init+0x3d8/0x1580 [ 5792.599412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5792.599412][ T10] ip6_route_add+0x1c/0x140 [ 5792.599412][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5792.599412][ T10] addrconf_add_dev+0xe2/0x170 [ 5792.599412][ T10] inet6_addr_add+0x12f/0xa40 [ 5792.599412][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5792.599412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.599412][ T10] netlink_rcv_skb+0x130/0x360 [ 5792.599412][ T10] netlink_unicast+0x449/0x710 [ 5792.599412][ T10] netlink_sendmsg+0x723/0xbe0 [ 5792.599412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5792.599412][ T10] ___sys_sendmsg+0xee/0x170 [ 5792.599412][ T10] __sys_sendmsg+0xcd/0x170 [ 5792.599412][ T10] do_syscall_64+0xc6/0x1e0 [ 5792.599412][ T10] [ 5792.601379][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5792.601379][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5792.601379][ T10] ipv6_find_idev+0x102/0x170 [ 5792.601379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5792.601379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.601379][ T10] netlink_rcv_skb+0x130/0x360 [ 5792.601379][ T10] netlink_unicast+0x449/0x710 [ 5792.601379][ T10] netlink_sendmsg+0x723/0xbe0 [ 5792.601379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5792.601379][ T10] ___sys_sendmsg+0xee/0x170 [ 5792.601379][ T10] __sys_sendmsg+0xcd/0x170 [ 5792.601379][ T10] do_syscall_64+0xc6/0x1e0 [ 5792.601379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.601379][ T10] [ 5792.602928][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5792.602928][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5792.602928][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5792.602928][ T10] ipv6_find_idev+0x102/0x170 [ 5792.602928][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5792.602928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.602928][ T10] netlink_rcv_skb+0x130/0x360 [ 5792.602928][ T10] netlink_unicast+0x449/0x710 [ 5792.602928][ T10] netlink_sendmsg+0x723/0xbe0 [ 5792.602928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5792.602928][ T10] ___sys_sendmsg+0xee/0x170 [ 5792.602928][ T10] __sys_sendmsg+0xcd/0x170 [ 5792.602928][ T10] do_syscall_64+0xc6/0x1e0 [ 5792.602928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.602928][ T10] [ 5792.604616][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5792.604855][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5792.604855][ T10] netdev_get_by_index+0x5e/0x80 [ 5792.604855][ T10] fib6_nh_init+0x3d8/0x1580 [ 5792.604855][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5792.604855][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5792.604855][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5792.604855][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5792.604855][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5792.604855][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5792.604855][ T10] addrconf_dad_begin+0x310/0x670 [ 5792.604855][ T10] addrconf_dad_work+0x10b/0xab0 [ 5792.604855][ T10] process_one_work+0x84d/0x18a0 [ 5792.604855][ T10] worker_thread+0x587/0xd30 [ 5792.604855][ T10] kthread+0x28a/0x350 [ 5792.604855][ T10] ret_from_fork+0x31/0x70 [ 5792.604855][ T10] ret_from_fork_asm+0x1a/0x30 [ 5792.604855][ T10] [ 5792.606751][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5792.606751][ T10] netdev_get_by_index+0x5e/0x80 [ 5792.606751][ T10] fib6_nh_init+0x3d8/0x1580 [ 5792.606751][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5792.606751][ T10] ip6_route_add+0x1c/0x140 [ 5792.606751][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5792.606751][ T10] inet6_addr_add+0x4f8/0xa40 [ 5792.606751][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5792.606751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.606751][ T10] netlink_rcv_skb+0x130/0x360 [ 5792.606751][ T10] netlink_unicast+0x449/0x710 [ 5792.606751][ T10] netlink_sendmsg+0x723/0xbe0 [ 5792.606751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5792.606751][ T10] ___sys_sendmsg+0xee/0x170 [ 5792.606751][ T10] __sys_sendmsg+0xcd/0x170 [ 5792.606751][ T10] do_syscall_64+0xc6/0x1e0 [ 5792.606751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.606751][ T10] [ 5792.608739][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5792.608739][ T10] netdev_get_by_index+0x5e/0x80 [ 5792.608739][ T10] fib6_nh_init+0x3d8/0x1580 [ 5792.608739][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5792.608739][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5792.608739][ T10] ipv6_add_addr+0x411/0x2000 [ 5792.608739][ T10] inet6_addr_add+0x30e/0xa40 [ 5792.608739][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5792.608739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.608739][ T10] netlink_rcv_skb+0x130/0x360 [ 5792.608739][ T10] netlink_unicast+0x449/0x710 [ 5792.608739][ T10] netlink_sendmsg+0x723/0xbe0 [ 5792.608739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5792.608739][ T10] ___sys_sendmsg+0xee/0x170 [ 5792.608739][ T10] __sys_sendmsg+0xcd/0x170 [ 5792.608739][ T10] do_syscall_64+0xc6/0x1e0 [ 5792.608739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.608739][ T10] [ 5792.610736][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5792.610736][ T10] netdev_get_by_index+0x5e/0x80 [ 5792.610736][ T10] fib6_nh_init+0x3d8/0x1580 [ 5792.610736][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5792.610736][ T10] ip6_route_add+0x1c/0x140 [ 5792.610736][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5792.610736][ T10] addrconf_add_dev+0xe2/0x170 [ 5792.610736][ T10] inet6_addr_add+0x12f/0xa40 [ 5792.610736][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5792.610736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.610736][ T10] netlink_rcv_skb+0x130/0x360 [ 5792.610736][ T10] netlink_unicast+0x449/0x710 [ 5792.610736][ T10] netlink_sendmsg+0x723/0xbe0 [ 5792.610736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5792.610736][ T10] ___sys_sendmsg+0xee/0x170 [ 5792.610736][ T10] __sys_sendmsg+0xcd/0x170 [ 5792.610736][ T10] do_syscall_64+0xc6/0x1e0 [ 5792.610736][ T10] [ 5792.612698][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5792.612698][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5792.612698][ T10] ipv6_find_idev+0x102/0x170 [ 5792.612698][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5792.612698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.612698][ T10] netlink_rcv_skb+0x130/0x360 [ 5792.612698][ T10] netlink_unicast+0x449/0x710 [ 5792.612698][ T10] netlink_sendmsg+0x723/0xbe0 [ 5792.612698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5792.612698][ T10] ___sys_sendmsg+0xee/0x170 [ 5792.612698][ T10] __sys_sendmsg+0xcd/0x170 [ 5792.612698][ T10] do_syscall_64+0xc6/0x1e0 [ 5792.612698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.612698][ T10] [ 5792.614232][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5792.614232][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5792.614232][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5792.614232][ T10] ipv6_find_idev+0x102/0x170 [ 5792.614232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5792.614232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.614232][ T10] netlink_rcv_skb+0x130/0x360 [ 5792.614232][ T10] netlink_unicast+0x449/0x710 [ 5792.614232][ T10] netlink_sendmsg+0x723/0xbe0 [ 5792.614232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5792.614232][ T10] ___sys_sendmsg+0xee/0x170 [ 5792.614232][ T10] __sys_sendmsg+0xcd/0x170 [ 5792.614232][ T10] do_syscall_64+0xc6/0x1e0 [ 5792.614232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.614232][ T10] [ 5792.615912][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5792.616170][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5792.616170][ T10] netdev_get_by_index+0x5e/0x80 [ 5792.616170][ T10] fib6_nh_init+0x3d8/0x1580 [ 5792.616170][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5792.616170][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5792.616170][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5792.616170][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5792.616170][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5792.616170][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5792.616170][ T10] addrconf_dad_begin+0x310/0x670 [ 5792.616170][ T10] addrconf_dad_work+0x10b/0xab0 [ 5792.616170][ T10] process_one_work+0x84d/0x18a0 [ 5792.616170][ T10] worker_thread+0x587/0xd30 [ 5792.616170][ T10] kthread+0x28a/0x350 [ 5792.616170][ T10] ret_from_fork+0x31/0x70 [ 5792.616170][ T10] ret_from_fork_asm+0x1a/0x30 [ 5792.616170][ T10] [ 5792.618082][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5792.618082][ T10] netdev_get_by_index+0x5e/0x80 [ 5792.618082][ T10] fib6_nh_init+0x3d8/0x1580 [ 5792.618082][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5792.618082][ T10] ip6_route_add+0x1c/0x140 [ 5792.618082][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5792.618082][ T10] inet6_addr_add+0x4f8/0xa40 [ 5792.618082][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5792.618082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.618082][ T10] netlink_rcv_skb+0x130/0x360 [ 5792.618082][ T10] netlink_unicast+0x449/0x710 [ 5792.618082][ T10] netlink_sendmsg+0x723/0xbe0 [ 5792.618082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5792.618082][ T10] ___sys_sendmsg+0xee/0x170 [ 5792.618082][ T10] __sys_sendmsg+0xcd/0x170 [ 5792.618082][ T10] do_syscall_64+0xc6/0x1e0 [ 5792.618082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.618082][ T10] [ 5792.620260][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5792.620260][ T10] netdev_get_by_index+0x5e/0x80 [ 5792.620260][ T10] fib6_nh_init+0x3d8/0x1580 [ 5792.620260][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5792.620260][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5792.620260][ T10] ipv6_add_addr+0x411/0x2000 [ 5792.620260][ T10] inet6_addr_add+0x30e/0xa40 [ 5792.620260][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5792.620260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.620260][ T10] netlink_rcv_skb+0x130/0x360 [ 5792.620260][ T10] netlink_unicast+0x449/0x710 [ 5792.620260][ T10] netlink_sendmsg+0x723/0xbe0 [ 5792.620260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5792.620260][ T10] ___sys_sendmsg+0xee/0x170 [ 5792.620260][ T10] __sys_sendmsg+0xcd/0x170 [ 5792.620260][ T10] do_syscall_64+0xc6/0x1e0 [ 5792.620260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.620260][ T10] [ 5792.622557][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5792.622557][ T10] netdev_get_by_index+0x5e/0x80 [ 5792.622557][ T10] fib6_nh_init+0x3d8/0x1580 [ 5792.622557][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5792.622557][ T10] ip6_route_add+0x1c/0x140 [ 5792.622557][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5792.622557][ T10] addrconf_add_dev+0xe2/0x170 [ 5792.622557][ T10] inet6_addr_add+0x12f/0xa40 [ 5792.622557][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5792.622557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.622557][ T10] netlink_rcv_skb+0x130/0x360 [ 5792.622557][ T10] netlink_unicast+0x449/0x710 [ 5792.622557][ T10] netlink_sendmsg+0x723/0xbe0 [ 5792.622557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5792.622557][ T10] ___sys_sendmsg+0xee/0x170 [ 5792.622557][ T10] __sys_sendmsg+0xcd/0x170 [ 5792.622557][ T10] do_syscall_64+0xc6/0x1e0 [ 5792.622557][ T10] [ 5792.624694][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5792.624694][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5792.624694][ T10] ipv6_find_idev+0x102/0x170 [ 5792.624694][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5792.624694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.624694][ T10] netlink_rcv_skb+0x130/0x360 [ 5792.624694][ T10] netlink_unicast+0x449/0x710 [ 5792.624694][ T10] netlink_sendmsg+0x723/0xbe0 [ 5792.624694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5792.624694][ T10] ___sys_sendmsg+0xee/0x170 [ 5792.624694][ T10] __sys_sendmsg+0xcd/0x170 [ 5792.624694][ T10] do_syscall_64+0xc6/0x1e0 [ 5792.624694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.624694][ T10] [ 5792.626406][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5792.626406][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5792.626406][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5792.626406][ T10] ipv6_find_idev+0x102/0x170 [ 5792.626406][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5792.626406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.626406][ T10] netlink_rcv_skb+0x130/0x360 [ 5792.626406][ T10] netlink_unicast+0x449/0x710 [ 5792.626406][ T10] netlink_sendmsg+0x723/0xbe0 [ 5792.626406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5792.626406][ T10] ___sys_sendmsg+0xee/0x170 [ 5792.626406][ T10] __sys_sendmsg+0xcd/0x170 [ 5792.626406][ T10] do_syscall_64+0xc6/0x1e0 [ 5792.626406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.626406][ T10] [ 5792.628313][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5792.628548][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5792.628548][ T10] netdev_get_by_index+0x5e/0x80 [ 5792.628548][ T10] fib6_nh_init+0x3d8/0x1580 [ 5792.628548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5792.628548][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5792.628548][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5792.628548][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5792.628548][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5792.628548][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5792.628548][ T10] addrconf_dad_begin+0x310/0x670 [ 5792.628548][ T10] addrconf_dad_work+0x10b/0xab0 [ 5792.628548][ T10] process_one_work+0x84d/0x18a0 [ 5792.628548][ T10] worker_thread+0x587/0xd30 [ 5792.628548][ T10] kthread+0x28a/0x350 [ 5792.628548][ T10] ret_from_fork+0x31/0x70 [ 5792.628548][ T10] ret_from_fork_asm+0x1a/0x30 [ 5792.628548][ T10] [ 5792.630762][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5792.630762][ T10] netdev_get_by_index+0x5e/0x80 [ 5792.630762][ T10] fib6_nh_init+0x3d8/0x1580 [ 5792.630762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5792.630762][ T10] ip6_route_add+0x1c/0x140 [ 5792.630762][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5792.630762][ T10] inet6_addr_add+0x4f8/0xa40 [ 5792.630762][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5792.630762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.630762][ T10] netlink_rcv_skb+0x130/0x360 [ 5792.630762][ T10] netlink_unicast+0x449/0x710 [ 5792.630762][ T10] netlink_sendmsg+0x723/0xbe0 [ 5792.630762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5792.630762][ T10] ___sys_sendmsg+0xee/0x170 [ 5792.630762][ T10] __sys_sendmsg+0xcd/0x170 [ 5792.630762][ T10] do_syscall_64+0xc6/0x1e0 [ 5792.630762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.630762][ T10] [ 5792.632943][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5792.632943][ T10] netdev_get_by_index+0x5e/0x80 [ 5792.632943][ T10] fib6_nh_init+0x3d8/0x1580 [ 5792.632943][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5792.632943][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5792.632943][ T10] ipv6_add_addr+0x411/0x2000 [ 5792.632943][ T10] inet6_addr_add+0x30e/0xa40 [ 5792.632943][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5792.632943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.632943][ T10] netlink_rcv_skb+0x130/0x360 [ 5792.632943][ T10] netlink_unicast+0x449/0x710 [ 5792.632943][ T10] netlink_sendmsg+0x723/0xbe0 [ 5792.632943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5792.632943][ T10] ___sys_sendmsg+0xee/0x170 [ 5792.632943][ T10] __sys_sendmsg+0xcd/0x170 [ 5792.632943][ T10] do_syscall_64+0xc6/0x1e0 [ 5792.632943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.632943][ T10] [ 5792.635168][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5792.635168][ T10] netdev_get_by_index+0x5e/0x80 [ 5792.635168][ T10] fib6_nh_init+0x3d8/0x1580 [ 5792.635168][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5792.635168][ T10] ip6_route_add+0x1c/0x140 [ 5792.635168][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5792.635168][ T10] addrconf_add_dev+0xe2/0x170 [ 5792.635168][ T10] inet6_addr_add+0x12f/0xa40 [ 5792.635168][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5792.635168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.635168][ T10] netlink_rcv_skb+0x130/0x360 [ 5792.635168][ T10] netlink_unicast+0x449/0x710 [ 5792.635168][ T10] netlink_sendmsg+0x723/0xbe0 [ 5792.635168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5792.635168][ T10] ___sys_sendmsg+0xee/0x170 [ 5792.635168][ T10] __sys_sendmsg+0xcd/0x170 [ 5792.635168][ T10] do_syscall_64+0xc6/0x1e0 [ 5792.635168][ T10] [ 5792.637364][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5792.637364][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5792.637364][ T10] ipv6_find_idev+0x102/0x170 [ 5792.637364][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5792.637364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.637364][ T10] netlink_rcv_skb+0x130/0x360 [ 5792.637364][ T10] netlink_unicast+0x449/0x710 [ 5792.637364][ T10] netlink_sendmsg+0x723/0xbe0 [ 5792.637364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5792.637364][ T10] ___sys_sendmsg+0xee/0x170 [ 5792.637364][ T10] __sys_sendmsg+0xcd/0x170 [ 5792.637364][ T10] do_syscall_64+0xc6/0x1e0 [ 5792.637364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.637364][ T10] [ 5792.639074][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5792.639074][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5792.639074][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5792.639074][ T10] ipv6_find_idev+0x102/0x170 [ 5792.639074][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5792.639074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5792.639074][ T10] netlink_rcv_skb+0x130/0x360 [ 5792.639074][ T10] netlink_unicast+0x449/0x710 [ 5792.639074][ T10] netlink_sendmsg+0x723/0xbe0 [ 5792.639074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5792.639074][ T10] ___sys_sendmsg+0xee/0x170 [ 5792.639074][ T10] __sys_sendmsg+0xcd/0x170 [ 5792.639074][ T10] do_syscall_64+0xc6/0x1e0 [ 5792.639074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5792.639074][ T10] [ 5793.665192][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5793.665650][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5793.665650][ T1167] dst_init+0x84/0x4a0 [ 5793.665650][ T1167] dst_alloc+0x97/0x150 [ 5793.665650][ T1167] ip6_dst_alloc+0x23/0x90 [ 5793.665650][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5793.665650][ T1167] ip6_pol_route+0x56f/0x840 [ 5793.665650][ T1167] fib6_rule_lookup+0x334/0x630 [ 5793.665650][ T1167] ip6_route_output_flags+0x259/0x480 [ 5793.665650][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5793.665650][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5793.665650][ T1167] netlink_rcv_skb+0x130/0x360 [ 5793.665650][ T1167] netlink_unicast+0x449/0x710 [ 5793.665650][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5793.665650][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5793.665650][ T1167] ___sys_sendmsg+0xee/0x170 [ 5793.665650][ T1167] __sys_sendmsg+0xcd/0x170 [ 5793.665650][ T1167] do_syscall_64+0xc6/0x1e0 [ 5793.665650][ T1167] [ 5793.667886][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5793.667886][ T1167] netdev_get_by_index+0x5e/0x80 [ 5793.667886][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5793.667886][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5793.667886][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5793.667886][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5793.667886][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5793.667886][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5793.667886][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5793.667886][ T1167] addrconf_dad_begin+0x310/0x670 [ 5793.667886][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5793.667886][ T1167] process_one_work+0x84d/0x18a0 [ 5793.667886][ T1167] worker_thread+0x587/0xd30 [ 5793.667886][ T1167] kthread+0x28a/0x350 [ 5793.667886][ T1167] ret_from_fork+0x31/0x70 [ 5793.667886][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5793.667886][ T1167] [ 5793.670044][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5793.670044][ T1167] netdev_get_by_index+0x5e/0x80 [ 5793.670044][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5793.670044][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5793.670044][ T1167] ip6_route_add+0x1c/0x140 [ 5793.670044][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5793.670044][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5793.670044][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5793.670044][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5793.670044][ T1167] netlink_rcv_skb+0x130/0x360 [ 5793.670044][ T1167] netlink_unicast+0x449/0x710 [ 5793.670044][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5793.670044][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5793.670044][ T1167] ___sys_sendmsg+0xee/0x170 [ 5793.670044][ T1167] __sys_sendmsg+0xcd/0x170 [ 5793.670044][ T1167] do_syscall_64+0xc6/0x1e0 [ 5793.670044][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5793.670044][ T1167] [ 5793.672310][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5793.672310][ T1167] netdev_get_by_index+0x5e/0x80 [ 5793.672310][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5793.672310][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5793.672310][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5793.672310][ T1167] ipv6_add_addr+0x411/0x2000 [ 5793.672310][ T1167] inet6_addr_add+0x30e/0xa40 [ 5793.672310][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5793.672310][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5793.672310][ T1167] netlink_rcv_skb+0x130/0x360 [ 5793.672310][ T1167] netlink_unicast+0x449/0x710 [ 5793.672310][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5793.672310][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5793.672310][ T1167] ___sys_sendmsg+0xee/0x170 [ 5793.672310][ T1167] __sys_sendmsg+0xcd/0x170 [ 5793.672310][ T1167] do_syscall_64+0xc6/0x1e0 [ 5793.672310][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5793.672310][ T1167] [ 5793.674559][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5793.674559][ T1167] netdev_get_by_index+0x5e/0x80 [ 5793.674559][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5793.674559][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5793.674559][ T1167] ip6_route_add+0x1c/0x140 [ 5793.674559][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5793.674559][ T1167] addrconf_add_dev+0xe2/0x170 [ 5793.674559][ T1167] inet6_addr_add+0x12f/0xa40 [ 5793.674559][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5793.674559][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5793.674559][ T1167] netlink_rcv_skb+0x130/0x360 [ 5793.674559][ T1167] netlink_unicast+0x449/0x710 [ 5793.674559][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5793.674559][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5793.674559][ T1167] ___sys_sendmsg+0xee/0x170 [ 5793.674559][ T1167] __sys_sendmsg+0xcd/0x170 [ 5793.674559][ T1167] do_syscall_64+0xc6/0x1e0 [ 5793.674559][ T1167] [ 5793.676781][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5793.676781][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5793.676781][ T1167] ipv6_find_idev+0x102/0x170 [ 5793.676781][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5793.676781][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5793.676781][ T1167] netlink_rcv_skb+0x130/0x360 [ 5793.676781][ T1167] netlink_unicast+0x449/0x710 [ 5793.676781][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5793.676781][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5793.676781][ T1167] ___sys_sendmsg+0xee/0x170 [ 5793.676781][ T1167] __sys_sendmsg+0xcd/0x170 [ 5793.676781][ T1167] do_syscall_64+0xc6/0x1e0 [ 5793.676781][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5793.676781][ T1167] [ 5793.678511][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5793.678511][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5793.678511][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5793.678511][ T1167] ipv6_find_idev+0x102/0x170 [ 5793.678511][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5793.678511][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5793.678511][ T1167] netlink_rcv_skb+0x130/0x360 [ 5793.678511][ T1167] netlink_unicast+0x449/0x710 [ 5793.678511][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5793.678511][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5793.678511][ T1167] ___sys_sendmsg+0xee/0x170 [ 5793.678511][ T1167] __sys_sendmsg+0xcd/0x170 [ 5793.678511][ T1167] do_syscall_64+0xc6/0x1e0 [ 5793.678511][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5793.678511][ T1167] [ 5802.881109][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5802.881460][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5802.881460][ T10] netdev_get_by_index+0x5e/0x80 [ 5802.881460][ T10] fib6_nh_init+0x3d8/0x1580 [ 5802.881460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5802.881460][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5802.881460][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5802.881460][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5802.881460][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5802.881460][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5802.881460][ T10] addrconf_dad_begin+0x310/0x670 [ 5802.881460][ T10] addrconf_dad_work+0x10b/0xab0 [ 5802.881460][ T10] process_one_work+0x84d/0x18a0 [ 5802.881460][ T10] worker_thread+0x587/0xd30 [ 5802.881460][ T10] kthread+0x28a/0x350 [ 5802.881460][ T10] ret_from_fork+0x31/0x70 [ 5802.881460][ T10] ret_from_fork_asm+0x1a/0x30 [ 5802.881460][ T10] [ 5802.883407][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5802.883407][ T10] netdev_get_by_index+0x5e/0x80 [ 5802.883407][ T10] fib6_nh_init+0x3d8/0x1580 [ 5802.883407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5802.883407][ T10] ip6_route_add+0x1c/0x140 [ 5802.883407][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5802.883407][ T10] inet6_addr_add+0x4f8/0xa40 [ 5802.883407][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5802.883407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.883407][ T10] netlink_rcv_skb+0x130/0x360 [ 5802.883407][ T10] netlink_unicast+0x449/0x710 [ 5802.883407][ T10] netlink_sendmsg+0x723/0xbe0 [ 5802.883407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5802.883407][ T10] ___sys_sendmsg+0xee/0x170 [ 5802.883407][ T10] __sys_sendmsg+0xcd/0x170 [ 5802.883407][ T10] do_syscall_64+0xc6/0x1e0 [ 5802.883407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5802.883407][ T10] [ 5802.885437][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5802.885437][ T10] netdev_get_by_index+0x5e/0x80 [ 5802.885437][ T10] fib6_nh_init+0x3d8/0x1580 [ 5802.885437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5802.885437][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5802.885437][ T10] ipv6_add_addr+0x411/0x2000 [ 5802.885437][ T10] inet6_addr_add+0x30e/0xa40 [ 5802.885437][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5802.885437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.885437][ T10] netlink_rcv_skb+0x130/0x360 [ 5802.885437][ T10] netlink_unicast+0x449/0x710 [ 5802.885437][ T10] netlink_sendmsg+0x723/0xbe0 [ 5802.885437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5802.885437][ T10] ___sys_sendmsg+0xee/0x170 [ 5802.885437][ T10] __sys_sendmsg+0xcd/0x170 [ 5802.885437][ T10] do_syscall_64+0xc6/0x1e0 [ 5802.885437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5802.885437][ T10] [ 5802.887436][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5802.887436][ T10] netdev_get_by_index+0x5e/0x80 [ 5802.887436][ T10] fib6_nh_init+0x3d8/0x1580 [ 5802.887436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5802.887436][ T10] ip6_route_add+0x1c/0x140 [ 5802.887436][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5802.887436][ T10] addrconf_add_dev+0xe2/0x170 [ 5802.887436][ T10] inet6_addr_add+0x12f/0xa40 [ 5802.887436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5802.887436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.887436][ T10] netlink_rcv_skb+0x130/0x360 [ 5802.887436][ T10] netlink_unicast+0x449/0x710 [ 5802.887436][ T10] netlink_sendmsg+0x723/0xbe0 [ 5802.887436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5802.887436][ T10] ___sys_sendmsg+0xee/0x170 [ 5802.887436][ T10] __sys_sendmsg+0xcd/0x170 [ 5802.887436][ T10] do_syscall_64+0xc6/0x1e0 [ 5802.887436][ T10] [ 5802.889445][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5802.889445][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5802.889445][ T10] ipv6_find_idev+0x102/0x170 [ 5802.889445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5802.889445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.889445][ T10] netlink_rcv_skb+0x130/0x360 [ 5802.889445][ T10] netlink_unicast+0x449/0x710 [ 5802.889445][ T10] netlink_sendmsg+0x723/0xbe0 [ 5802.889445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5802.889445][ T10] ___sys_sendmsg+0xee/0x170 [ 5802.889445][ T10] __sys_sendmsg+0xcd/0x170 [ 5802.889445][ T10] do_syscall_64+0xc6/0x1e0 [ 5802.889445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5802.889445][ T10] [ 5802.891016][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5802.891016][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5802.891016][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5802.891016][ T10] ipv6_find_idev+0x102/0x170 [ 5802.891016][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5802.891016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.891016][ T10] netlink_rcv_skb+0x130/0x360 [ 5802.891016][ T10] netlink_unicast+0x449/0x710 [ 5802.891016][ T10] netlink_sendmsg+0x723/0xbe0 [ 5802.891016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5802.891016][ T10] ___sys_sendmsg+0xee/0x170 [ 5802.891016][ T10] __sys_sendmsg+0xcd/0x170 [ 5802.891016][ T10] do_syscall_64+0xc6/0x1e0 [ 5802.891016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5802.891016][ T10] [ 5802.892708][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5802.892972][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5802.892972][ T10] netdev_get_by_index+0x5e/0x80 [ 5802.892972][ T10] fib6_nh_init+0x3d8/0x1580 [ 5802.892972][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5802.892972][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5802.892972][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5802.892972][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5802.892972][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5802.892972][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5802.892972][ T10] addrconf_dad_begin+0x310/0x670 [ 5802.892972][ T10] addrconf_dad_work+0x10b/0xab0 [ 5802.892972][ T10] process_one_work+0x84d/0x18a0 [ 5802.892972][ T10] worker_thread+0x587/0xd30 [ 5802.892972][ T10] kthread+0x28a/0x350 [ 5802.892972][ T10] ret_from_fork+0x31/0x70 [ 5802.892972][ T10] ret_from_fork_asm+0x1a/0x30 [ 5802.892972][ T10] [ 5802.894882][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5802.894882][ T10] netdev_get_by_index+0x5e/0x80 [ 5802.894882][ T10] fib6_nh_init+0x3d8/0x1580 [ 5802.894882][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5802.894882][ T10] ip6_route_add+0x1c/0x140 [ 5802.894882][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5802.894882][ T10] inet6_addr_add+0x4f8/0xa40 [ 5802.894882][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5802.894882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.894882][ T10] netlink_rcv_skb+0x130/0x360 [ 5802.894882][ T10] netlink_unicast+0x449/0x710 [ 5802.894882][ T10] netlink_sendmsg+0x723/0xbe0 [ 5802.894882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5802.894882][ T10] ___sys_sendmsg+0xee/0x170 [ 5802.894882][ T10] __sys_sendmsg+0xcd/0x170 [ 5802.894882][ T10] do_syscall_64+0xc6/0x1e0 [ 5802.894882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5802.894882][ T10] [ 5802.896875][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5802.896875][ T10] netdev_get_by_index+0x5e/0x80 [ 5802.896875][ T10] fib6_nh_init+0x3d8/0x1580 [ 5802.896875][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5802.896875][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5802.896875][ T10] ipv6_add_addr+0x411/0x2000 [ 5802.896875][ T10] inet6_addr_add+0x30e/0xa40 [ 5802.896875][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5802.896875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.896875][ T10] netlink_rcv_skb+0x130/0x360 [ 5802.896875][ T10] netlink_unicast+0x449/0x710 [ 5802.896875][ T10] netlink_sendmsg+0x723/0xbe0 [ 5802.896875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5802.896875][ T10] ___sys_sendmsg+0xee/0x170 [ 5802.896875][ T10] __sys_sendmsg+0xcd/0x170 [ 5802.896875][ T10] do_syscall_64+0xc6/0x1e0 [ 5802.896875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5802.896875][ T10] [ 5802.898879][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5802.898879][ T10] netdev_get_by_index+0x5e/0x80 [ 5802.898879][ T10] fib6_nh_init+0x3d8/0x1580 [ 5802.898879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5802.898879][ T10] ip6_route_add+0x1c/0x140 [ 5802.898879][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5802.898879][ T10] addrconf_add_dev+0xe2/0x170 [ 5802.898879][ T10] inet6_addr_add+0x12f/0xa40 [ 5802.898879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5802.898879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.898879][ T10] netlink_rcv_skb+0x130/0x360 [ 5802.898879][ T10] netlink_unicast+0x449/0x710 [ 5802.898879][ T10] netlink_sendmsg+0x723/0xbe0 [ 5802.898879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5802.898879][ T10] ___sys_sendmsg+0xee/0x170 [ 5802.898879][ T10] __sys_sendmsg+0xcd/0x170 [ 5802.898879][ T10] do_syscall_64+0xc6/0x1e0 [ 5802.898879][ T10] [ 5802.900851][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5802.900851][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5802.900851][ T10] ipv6_find_idev+0x102/0x170 [ 5802.900851][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5802.900851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.900851][ T10] netlink_rcv_skb+0x130/0x360 [ 5802.900851][ T10] netlink_unicast+0x449/0x710 [ 5802.900851][ T10] netlink_sendmsg+0x723/0xbe0 [ 5802.900851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5802.900851][ T10] ___sys_sendmsg+0xee/0x170 [ 5802.900851][ T10] __sys_sendmsg+0xcd/0x170 [ 5802.900851][ T10] do_syscall_64+0xc6/0x1e0 [ 5802.900851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5802.900851][ T10] [ 5802.902395][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5802.902395][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5802.902395][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5802.902395][ T10] ipv6_find_idev+0x102/0x170 [ 5802.902395][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5802.902395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.902395][ T10] netlink_rcv_skb+0x130/0x360 [ 5802.902395][ T10] netlink_unicast+0x449/0x710 [ 5802.902395][ T10] netlink_sendmsg+0x723/0xbe0 [ 5802.902395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5802.902395][ T10] ___sys_sendmsg+0xee/0x170 [ 5802.902395][ T10] __sys_sendmsg+0xcd/0x170 [ 5802.902395][ T10] do_syscall_64+0xc6/0x1e0 [ 5802.902395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5802.902395][ T10] [ 5802.904102][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5802.904340][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5802.904340][ T10] netdev_get_by_index+0x5e/0x80 [ 5802.904340][ T10] fib6_nh_init+0x3d8/0x1580 [ 5802.904340][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5802.904340][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5802.904340][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5802.904340][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5802.904340][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5802.904340][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5802.904340][ T10] addrconf_dad_begin+0x310/0x670 [ 5802.904340][ T10] addrconf_dad_work+0x10b/0xab0 [ 5802.904340][ T10] process_one_work+0x84d/0x18a0 [ 5802.904340][ T10] worker_thread+0x587/0xd30 [ 5802.904340][ T10] kthread+0x28a/0x350 [ 5802.904340][ T10] ret_from_fork+0x31/0x70 [ 5802.904340][ T10] ret_from_fork_asm+0x1a/0x30 [ 5802.904340][ T10] [ 5802.906260][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5802.906260][ T10] netdev_get_by_index+0x5e/0x80 [ 5802.906260][ T10] fib6_nh_init+0x3d8/0x1580 [ 5802.906260][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5802.906260][ T10] ip6_route_add+0x1c/0x140 [ 5802.906260][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5802.906260][ T10] inet6_addr_add+0x4f8/0xa40 [ 5802.906260][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5802.906260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.906260][ T10] netlink_rcv_skb+0x130/0x360 [ 5802.906260][ T10] netlink_unicast+0x449/0x710 [ 5802.906260][ T10] netlink_sendmsg+0x723/0xbe0 [ 5802.906260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5802.906260][ T10] ___sys_sendmsg+0xee/0x170 [ 5802.906260][ T10] __sys_sendmsg+0xcd/0x170 [ 5802.906260][ T10] do_syscall_64+0xc6/0x1e0 [ 5802.906260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5802.906260][ T10] [ 5802.908506][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5802.908506][ T10] netdev_get_by_index+0x5e/0x80 [ 5802.908506][ T10] fib6_nh_init+0x3d8/0x1580 [ 5802.908506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5802.908506][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5802.908506][ T10] ipv6_add_addr+0x411/0x2000 [ 5802.908506][ T10] inet6_addr_add+0x30e/0xa40 [ 5802.908506][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5802.908506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.908506][ T10] netlink_rcv_skb+0x130/0x360 [ 5802.908506][ T10] netlink_unicast+0x449/0x710 [ 5802.908506][ T10] netlink_sendmsg+0x723/0xbe0 [ 5802.908506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5802.908506][ T10] ___sys_sendmsg+0xee/0x170 [ 5802.908506][ T10] __sys_sendmsg+0xcd/0x170 [ 5802.908506][ T10] do_syscall_64+0xc6/0x1e0 [ 5802.908506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5802.908506][ T10] [ 5802.910634][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5802.910634][ T10] netdev_get_by_index+0x5e/0x80 [ 5802.910634][ T10] fib6_nh_init+0x3d8/0x1580 [ 5802.910634][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5802.910634][ T10] ip6_route_add+0x1c/0x140 [ 5802.910634][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5802.910634][ T10] addrconf_add_dev+0xe2/0x170 [ 5802.910634][ T10] inet6_addr_add+0x12f/0xa40 [ 5802.910634][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5802.910634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.910634][ T10] netlink_rcv_skb+0x130/0x360 [ 5802.910634][ T10] netlink_unicast+0x449/0x710 [ 5802.910634][ T10] netlink_sendmsg+0x723/0xbe0 [ 5802.910634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5802.910634][ T10] ___sys_sendmsg+0xee/0x170 [ 5802.910634][ T10] __sys_sendmsg+0xcd/0x170 [ 5802.910634][ T10] do_syscall_64+0xc6/0x1e0 [ 5802.910634][ T10] [ 5802.912719][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5802.912719][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5802.912719][ T10] ipv6_find_idev+0x102/0x170 [ 5802.912719][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5802.912719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.912719][ T10] netlink_rcv_skb+0x130/0x360 [ 5802.912719][ T10] netlink_unicast+0x449/0x710 [ 5802.912719][ T10] netlink_sendmsg+0x723/0xbe0 [ 5802.912719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5802.912719][ T10] ___sys_sendmsg+0xee/0x170 [ 5802.912719][ T10] __sys_sendmsg+0xcd/0x170 [ 5802.912719][ T10] do_syscall_64+0xc6/0x1e0 [ 5802.912719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5802.912719][ T10] [ 5802.914309][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5802.914309][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5802.914309][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5802.914309][ T10] ipv6_find_idev+0x102/0x170 [ 5802.914309][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5802.914309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.914309][ T10] netlink_rcv_skb+0x130/0x360 [ 5802.914309][ T10] netlink_unicast+0x449/0x710 [ 5802.914309][ T10] netlink_sendmsg+0x723/0xbe0 [ 5802.914309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5802.914309][ T10] ___sys_sendmsg+0xee/0x170 [ 5802.914309][ T10] __sys_sendmsg+0xcd/0x170 [ 5802.914309][ T10] do_syscall_64+0xc6/0x1e0 [ 5802.914309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5802.914309][ T10] [ 5802.916117][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5802.916353][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5802.916353][ T10] netdev_get_by_index+0x5e/0x80 [ 5802.916353][ T10] fib6_nh_init+0x3d8/0x1580 [ 5802.916353][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5802.916353][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5802.916353][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5802.916353][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5802.916353][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5802.916353][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5802.916353][ T10] addrconf_dad_begin+0x310/0x670 [ 5802.916353][ T10] addrconf_dad_work+0x10b/0xab0 [ 5802.916353][ T10] process_one_work+0x84d/0x18a0 [ 5802.916353][ T10] worker_thread+0x587/0xd30 [ 5802.916353][ T10] kthread+0x28a/0x350 [ 5802.916353][ T10] ret_from_fork+0x31/0x70 [ 5802.916353][ T10] ret_from_fork_asm+0x1a/0x30 [ 5802.916353][ T10] [ 5802.918392][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5802.918392][ T10] netdev_get_by_index+0x5e/0x80 [ 5802.918392][ T10] fib6_nh_init+0x3d8/0x1580 [ 5802.918392][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5802.918392][ T10] ip6_route_add+0x1c/0x140 [ 5802.918392][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5802.918392][ T10] inet6_addr_add+0x4f8/0xa40 [ 5802.918392][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5802.918392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.918392][ T10] netlink_rcv_skb+0x130/0x360 [ 5802.918392][ T10] netlink_unicast+0x449/0x710 [ 5802.918392][ T10] netlink_sendmsg+0x723/0xbe0 [ 5802.918392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5802.918392][ T10] ___sys_sendmsg+0xee/0x170 [ 5802.918392][ T10] __sys_sendmsg+0xcd/0x170 [ 5802.918392][ T10] do_syscall_64+0xc6/0x1e0 [ 5802.918392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5802.918392][ T10] [ 5802.920512][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5802.920512][ T10] netdev_get_by_index+0x5e/0x80 [ 5802.920512][ T10] fib6_nh_init+0x3d8/0x1580 [ 5802.920512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5802.920512][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5802.920512][ T10] ipv6_add_addr+0x411/0x2000 [ 5802.920512][ T10] inet6_addr_add+0x30e/0xa40 [ 5802.920512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5802.920512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.920512][ T10] netlink_rcv_skb+0x130/0x360 [ 5802.920512][ T10] netlink_unicast+0x449/0x710 [ 5802.920512][ T10] netlink_sendmsg+0x723/0xbe0 [ 5802.920512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5802.920512][ T10] ___sys_sendmsg+0xee/0x170 [ 5802.920512][ T10] __sys_sendmsg+0xcd/0x170 [ 5802.920512][ T10] do_syscall_64+0xc6/0x1e0 [ 5802.920512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5802.920512][ T10] [ 5802.922626][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5802.922626][ T10] netdev_get_by_index+0x5e/0x80 [ 5802.922626][ T10] fib6_nh_init+0x3d8/0x1580 [ 5802.922626][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5802.922626][ T10] ip6_route_add+0x1c/0x140 [ 5802.922626][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5802.922626][ T10] addrconf_add_dev+0xe2/0x170 [ 5802.922626][ T10] inet6_addr_add+0x12f/0xa40 [ 5802.922626][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5802.922626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.922626][ T10] netlink_rcv_skb+0x130/0x360 [ 5802.922626][ T10] netlink_unicast+0x449/0x710 [ 5802.922626][ T10] netlink_sendmsg+0x723/0xbe0 [ 5802.922626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5802.922626][ T10] ___sys_sendmsg+0xee/0x170 [ 5802.922626][ T10] __sys_sendmsg+0xcd/0x170 [ 5802.922626][ T10] do_syscall_64+0xc6/0x1e0 [ 5802.922626][ T10] [ 5802.924703][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5802.924703][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5802.924703][ T10] ipv6_find_idev+0x102/0x170 [ 5802.924703][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5802.924703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.924703][ T10] netlink_rcv_skb+0x130/0x360 [ 5802.924703][ T10] netlink_unicast+0x449/0x710 [ 5802.924703][ T10] netlink_sendmsg+0x723/0xbe0 [ 5802.924703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5802.924703][ T10] ___sys_sendmsg+0xee/0x170 [ 5802.924703][ T10] __sys_sendmsg+0xcd/0x170 [ 5802.924703][ T10] do_syscall_64+0xc6/0x1e0 [ 5802.924703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5802.924703][ T10] [ 5802.926299][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5802.926299][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5802.926299][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5802.926299][ T10] ipv6_find_idev+0x102/0x170 [ 5802.926299][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5802.926299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5802.926299][ T10] netlink_rcv_skb+0x130/0x360 [ 5802.926299][ T10] netlink_unicast+0x449/0x710 [ 5802.926299][ T10] netlink_sendmsg+0x723/0xbe0 [ 5802.926299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5802.926299][ T10] ___sys_sendmsg+0xee/0x170 [ 5802.926299][ T10] __sys_sendmsg+0xcd/0x170 [ 5802.926299][ T10] do_syscall_64+0xc6/0x1e0 [ 5802.926299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5802.926299][ T10] [ 5803.921033][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5803.921425][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5803.921425][ T1167] dst_init+0x84/0x4a0 [ 5803.921425][ T1167] dst_alloc+0x97/0x150 [ 5803.921425][ T1167] ip6_dst_alloc+0x23/0x90 [ 5803.921425][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5803.921425][ T1167] ip6_pol_route+0x56f/0x840 [ 5803.921425][ T1167] fib6_rule_lookup+0x334/0x630 [ 5803.921425][ T1167] ip6_route_output_flags+0x259/0x480 [ 5803.921425][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5803.921425][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5803.921425][ T1167] netlink_rcv_skb+0x130/0x360 [ 5803.921425][ T1167] netlink_unicast+0x449/0x710 [ 5803.921425][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5803.921425][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5803.921425][ T1167] ___sys_sendmsg+0xee/0x170 [ 5803.921425][ T1167] __sys_sendmsg+0xcd/0x170 [ 5803.921425][ T1167] do_syscall_64+0xc6/0x1e0 [ 5803.921425][ T1167] [ 5803.923672][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5803.923672][ T1167] netdev_get_by_index+0x5e/0x80 [ 5803.923672][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5803.923672][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5803.923672][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5803.923672][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5803.923672][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5803.923672][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5803.923672][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5803.923672][ T1167] addrconf_dad_begin+0x310/0x670 [ 5803.923672][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5803.923672][ T1167] process_one_work+0x84d/0x18a0 [ 5803.923672][ T1167] worker_thread+0x587/0xd30 [ 5803.923672][ T1167] kthread+0x28a/0x350 [ 5803.923672][ T1167] ret_from_fork+0x31/0x70 [ 5803.923672][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5803.923672][ T1167] [ 5803.925884][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5803.925884][ T1167] netdev_get_by_index+0x5e/0x80 [ 5803.925884][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5803.925884][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5803.925884][ T1167] ip6_route_add+0x1c/0x140 [ 5803.925884][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5803.925884][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5803.925884][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5803.925884][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5803.925884][ T1167] netlink_rcv_skb+0x130/0x360 [ 5803.925884][ T1167] netlink_unicast+0x449/0x710 [ 5803.925884][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5803.925884][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5803.925884][ T1167] ___sys_sendmsg+0xee/0x170 [ 5803.925884][ T1167] __sys_sendmsg+0xcd/0x170 [ 5803.925884][ T1167] do_syscall_64+0xc6/0x1e0 [ 5803.925884][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5803.925884][ T1167] [ 5803.928171][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5803.928171][ T1167] netdev_get_by_index+0x5e/0x80 [ 5803.928171][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5803.928171][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5803.928171][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5803.928171][ T1167] ipv6_add_addr+0x411/0x2000 [ 5803.928171][ T1167] inet6_addr_add+0x30e/0xa40 [ 5803.928171][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5803.928171][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5803.928171][ T1167] netlink_rcv_skb+0x130/0x360 [ 5803.928171][ T1167] netlink_unicast+0x449/0x710 [ 5803.928171][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5803.928171][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5803.928171][ T1167] ___sys_sendmsg+0xee/0x170 [ 5803.928171][ T1167] __sys_sendmsg+0xcd/0x170 [ 5803.928171][ T1167] do_syscall_64+0xc6/0x1e0 [ 5803.928171][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5803.928171][ T1167] [ 5803.930463][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5803.930463][ T1167] netdev_get_by_index+0x5e/0x80 [ 5803.930463][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5803.930463][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5803.930463][ T1167] ip6_route_add+0x1c/0x140 [ 5803.930463][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5803.930463][ T1167] addrconf_add_dev+0xe2/0x170 [ 5803.930463][ T1167] inet6_addr_add+0x12f/0xa40 [ 5803.930463][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5803.930463][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5803.930463][ T1167] netlink_rcv_skb+0x130/0x360 [ 5803.930463][ T1167] netlink_unicast+0x449/0x710 [ 5803.930463][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5803.930463][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5803.930463][ T1167] ___sys_sendmsg+0xee/0x170 [ 5803.930463][ T1167] __sys_sendmsg+0xcd/0x170 [ 5803.930463][ T1167] do_syscall_64+0xc6/0x1e0 [ 5803.930463][ T1167] [ 5803.932719][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5803.932719][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5803.932719][ T1167] ipv6_find_idev+0x102/0x170 [ 5803.932719][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5803.932719][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5803.932719][ T1167] netlink_rcv_skb+0x130/0x360 [ 5803.932719][ T1167] netlink_unicast+0x449/0x710 [ 5803.932719][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5803.932719][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5803.932719][ T1167] ___sys_sendmsg+0xee/0x170 [ 5803.932719][ T1167] __sys_sendmsg+0xcd/0x170 [ 5803.932719][ T1167] do_syscall_64+0xc6/0x1e0 [ 5803.932719][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5803.932719][ T1167] [ 5803.934476][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5803.934476][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5803.934476][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5803.934476][ T1167] ipv6_find_idev+0x102/0x170 [ 5803.934476][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5803.934476][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5803.934476][ T1167] netlink_rcv_skb+0x130/0x360 [ 5803.934476][ T1167] netlink_unicast+0x449/0x710 [ 5803.934476][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5803.934476][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5803.934476][ T1167] ___sys_sendmsg+0xee/0x170 [ 5803.934476][ T1167] __sys_sendmsg+0xcd/0x170 [ 5803.934476][ T1167] do_syscall_64+0xc6/0x1e0 [ 5803.934476][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5803.934476][ T1167] [ 5813.073119][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5813.073596][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5813.073596][ T10] netdev_get_by_index+0x5e/0x80 [ 5813.073596][ T10] fib6_nh_init+0x3d8/0x1580 [ 5813.073596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5813.073596][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5813.073596][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5813.073596][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5813.073596][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5813.073596][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5813.073596][ T10] addrconf_dad_begin+0x310/0x670 [ 5813.073596][ T10] addrconf_dad_work+0x10b/0xab0 [ 5813.073596][ T10] process_one_work+0x84d/0x18a0 [ 5813.073596][ T10] worker_thread+0x587/0xd30 [ 5813.073596][ T10] kthread+0x28a/0x350 [ 5813.073596][ T10] ret_from_fork+0x31/0x70 [ 5813.073596][ T10] ret_from_fork_asm+0x1a/0x30 [ 5813.073596][ T10] [ 5813.075798][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5813.075798][ T10] netdev_get_by_index+0x5e/0x80 [ 5813.075798][ T10] fib6_nh_init+0x3d8/0x1580 [ 5813.075798][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5813.075798][ T10] ip6_route_add+0x1c/0x140 [ 5813.075798][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5813.075798][ T10] inet6_addr_add+0x4f8/0xa40 [ 5813.075798][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5813.075798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.075798][ T10] netlink_rcv_skb+0x130/0x360 [ 5813.075798][ T10] netlink_unicast+0x449/0x710 [ 5813.075798][ T10] netlink_sendmsg+0x723/0xbe0 [ 5813.075798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5813.075798][ T10] ___sys_sendmsg+0xee/0x170 [ 5813.075798][ T10] __sys_sendmsg+0xcd/0x170 [ 5813.075798][ T10] do_syscall_64+0xc6/0x1e0 [ 5813.075798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.075798][ T10] [ 5813.078060][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5813.078060][ T10] netdev_get_by_index+0x5e/0x80 [ 5813.078060][ T10] fib6_nh_init+0x3d8/0x1580 [ 5813.078060][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5813.078060][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5813.078060][ T10] ipv6_add_addr+0x411/0x2000 [ 5813.078060][ T10] inet6_addr_add+0x30e/0xa40 [ 5813.078060][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5813.078060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.078060][ T10] netlink_rcv_skb+0x130/0x360 [ 5813.078060][ T10] netlink_unicast+0x449/0x710 [ 5813.078060][ T10] netlink_sendmsg+0x723/0xbe0 [ 5813.078060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5813.078060][ T10] ___sys_sendmsg+0xee/0x170 [ 5813.078060][ T10] __sys_sendmsg+0xcd/0x170 [ 5813.078060][ T10] do_syscall_64+0xc6/0x1e0 [ 5813.078060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.078060][ T10] [ 5813.080313][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5813.080313][ T10] netdev_get_by_index+0x5e/0x80 [ 5813.080313][ T10] fib6_nh_init+0x3d8/0x1580 [ 5813.080313][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5813.080313][ T10] ip6_route_add+0x1c/0x140 [ 5813.080313][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5813.080313][ T10] addrconf_add_dev+0xe2/0x170 [ 5813.080313][ T10] inet6_addr_add+0x12f/0xa40 [ 5813.080313][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5813.080313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.080313][ T10] netlink_rcv_skb+0x130/0x360 [ 5813.080313][ T10] netlink_unicast+0x449/0x710 [ 5813.080313][ T10] netlink_sendmsg+0x723/0xbe0 [ 5813.080313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5813.080313][ T10] ___sys_sendmsg+0xee/0x170 [ 5813.080313][ T10] __sys_sendmsg+0xcd/0x170 [ 5813.080313][ T10] do_syscall_64+0xc6/0x1e0 [ 5813.080313][ T10] [ 5813.082547][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5813.082547][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5813.082547][ T10] ipv6_find_idev+0x102/0x170 [ 5813.082547][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5813.082547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.082547][ T10] netlink_rcv_skb+0x130/0x360 [ 5813.082547][ T10] netlink_unicast+0x449/0x710 [ 5813.082547][ T10] netlink_sendmsg+0x723/0xbe0 [ 5813.082547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5813.082547][ T10] ___sys_sendmsg+0xee/0x170 [ 5813.082547][ T10] __sys_sendmsg+0xcd/0x170 [ 5813.082547][ T10] do_syscall_64+0xc6/0x1e0 [ 5813.082547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.082547][ T10] [ 5813.084269][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5813.084269][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5813.084269][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5813.084269][ T10] ipv6_find_idev+0x102/0x170 [ 5813.084269][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5813.084269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.084269][ T10] netlink_rcv_skb+0x130/0x360 [ 5813.084269][ T10] netlink_unicast+0x449/0x710 [ 5813.084269][ T10] netlink_sendmsg+0x723/0xbe0 [ 5813.084269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5813.084269][ T10] ___sys_sendmsg+0xee/0x170 [ 5813.084269][ T10] __sys_sendmsg+0xcd/0x170 [ 5813.084269][ T10] do_syscall_64+0xc6/0x1e0 [ 5813.084269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.084269][ T10] [ 5813.086167][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5813.086430][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5813.086430][ T10] netdev_get_by_index+0x5e/0x80 [ 5813.086430][ T10] fib6_nh_init+0x3d8/0x1580 [ 5813.086430][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5813.086430][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5813.086430][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5813.086430][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5813.086430][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5813.086430][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5813.086430][ T10] addrconf_dad_begin+0x310/0x670 [ 5813.086430][ T10] addrconf_dad_work+0x10b/0xab0 [ 5813.086430][ T10] process_one_work+0x84d/0x18a0 [ 5813.086430][ T10] worker_thread+0x587/0xd30 [ 5813.086430][ T10] kthread+0x28a/0x350 [ 5813.086430][ T10] ret_from_fork+0x31/0x70 [ 5813.086430][ T10] ret_from_fork_asm+0x1a/0x30 [ 5813.086430][ T10] [ 5813.088591][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5813.088591][ T10] netdev_get_by_index+0x5e/0x80 [ 5813.088591][ T10] fib6_nh_init+0x3d8/0x1580 [ 5813.088591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5813.088591][ T10] ip6_route_add+0x1c/0x140 [ 5813.088591][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5813.088591][ T10] inet6_addr_add+0x4f8/0xa40 [ 5813.088591][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5813.088591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.088591][ T10] netlink_rcv_skb+0x130/0x360 [ 5813.088591][ T10] netlink_unicast+0x449/0x710 [ 5813.088591][ T10] netlink_sendmsg+0x723/0xbe0 [ 5813.088591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5813.088591][ T10] ___sys_sendmsg+0xee/0x170 [ 5813.088591][ T10] __sys_sendmsg+0xcd/0x170 [ 5813.088591][ T10] do_syscall_64+0xc6/0x1e0 [ 5813.088591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.088591][ T10] [ 5813.090839][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5813.090839][ T10] netdev_get_by_index+0x5e/0x80 [ 5813.090839][ T10] fib6_nh_init+0x3d8/0x1580 [ 5813.090839][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5813.090839][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5813.090839][ T10] ipv6_add_addr+0x411/0x2000 [ 5813.090839][ T10] inet6_addr_add+0x30e/0xa40 [ 5813.090839][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5813.090839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.090839][ T10] netlink_rcv_skb+0x130/0x360 [ 5813.090839][ T10] netlink_unicast+0x449/0x710 [ 5813.090839][ T10] netlink_sendmsg+0x723/0xbe0 [ 5813.090839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5813.090839][ T10] ___sys_sendmsg+0xee/0x170 [ 5813.090839][ T10] __sys_sendmsg+0xcd/0x170 [ 5813.090839][ T10] do_syscall_64+0xc6/0x1e0 [ 5813.090839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.090839][ T10] [ 5813.093094][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5813.093094][ T10] netdev_get_by_index+0x5e/0x80 [ 5813.093094][ T10] fib6_nh_init+0x3d8/0x1580 [ 5813.093094][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5813.093094][ T10] ip6_route_add+0x1c/0x140 [ 5813.093094][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5813.093094][ T10] addrconf_add_dev+0xe2/0x170 [ 5813.093094][ T10] inet6_addr_add+0x12f/0xa40 [ 5813.093094][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5813.093094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.093094][ T10] netlink_rcv_skb+0x130/0x360 [ 5813.093094][ T10] netlink_unicast+0x449/0x710 [ 5813.093094][ T10] netlink_sendmsg+0x723/0xbe0 [ 5813.093094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5813.093094][ T10] ___sys_sendmsg+0xee/0x170 [ 5813.093094][ T10] __sys_sendmsg+0xcd/0x170 [ 5813.093094][ T10] do_syscall_64+0xc6/0x1e0 [ 5813.093094][ T10] [ 5813.095305][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5813.095305][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5813.095305][ T10] ipv6_find_idev+0x102/0x170 [ 5813.095305][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5813.095305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.095305][ T10] netlink_rcv_skb+0x130/0x360 [ 5813.095305][ T10] netlink_unicast+0x449/0x710 [ 5813.095305][ T10] netlink_sendmsg+0x723/0xbe0 [ 5813.095305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5813.095305][ T10] ___sys_sendmsg+0xee/0x170 [ 5813.095305][ T10] __sys_sendmsg+0xcd/0x170 [ 5813.095305][ T10] do_syscall_64+0xc6/0x1e0 [ 5813.095305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.095305][ T10] [ 5813.097048][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5813.097048][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5813.097048][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5813.097048][ T10] ipv6_find_idev+0x102/0x170 [ 5813.097048][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5813.097048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.097048][ T10] netlink_rcv_skb+0x130/0x360 [ 5813.097048][ T10] netlink_unicast+0x449/0x710 [ 5813.097048][ T10] netlink_sendmsg+0x723/0xbe0 [ 5813.097048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5813.097048][ T10] ___sys_sendmsg+0xee/0x170 [ 5813.097048][ T10] __sys_sendmsg+0xcd/0x170 [ 5813.097048][ T10] do_syscall_64+0xc6/0x1e0 [ 5813.097048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.097048][ T10] [ 5813.098930][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5813.099199][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5813.099199][ T10] netdev_get_by_index+0x5e/0x80 [ 5813.099199][ T10] fib6_nh_init+0x3d8/0x1580 [ 5813.099199][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5813.099199][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5813.099199][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5813.099199][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5813.099199][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5813.099199][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5813.099199][ T10] addrconf_dad_begin+0x310/0x670 [ 5813.099199][ T10] addrconf_dad_work+0x10b/0xab0 [ 5813.099199][ T10] process_one_work+0x84d/0x18a0 [ 5813.099199][ T10] worker_thread+0x587/0xd30 [ 5813.099199][ T10] kthread+0x28a/0x350 [ 5813.099199][ T10] ret_from_fork+0x31/0x70 [ 5813.099199][ T10] ret_from_fork_asm+0x1a/0x30 [ 5813.099199][ T10] [ 5813.101355][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5813.101355][ T10] netdev_get_by_index+0x5e/0x80 [ 5813.101355][ T10] fib6_nh_init+0x3d8/0x1580 [ 5813.101355][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5813.101355][ T10] ip6_route_add+0x1c/0x140 [ 5813.101355][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5813.101355][ T10] inet6_addr_add+0x4f8/0xa40 [ 5813.101355][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5813.101355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.101355][ T10] netlink_rcv_skb+0x130/0x360 [ 5813.101355][ T10] netlink_unicast+0x449/0x710 [ 5813.101355][ T10] netlink_sendmsg+0x723/0xbe0 [ 5813.101355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5813.101355][ T10] ___sys_sendmsg+0xee/0x170 [ 5813.101355][ T10] __sys_sendmsg+0xcd/0x170 [ 5813.101355][ T10] do_syscall_64+0xc6/0x1e0 [ 5813.101355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.101355][ T10] [ 5813.103781][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5813.103781][ T10] netdev_get_by_index+0x5e/0x80 [ 5813.103781][ T10] fib6_nh_init+0x3d8/0x1580 [ 5813.103781][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5813.103781][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5813.103781][ T10] ipv6_add_addr+0x411/0x2000 [ 5813.103781][ T10] inet6_addr_add+0x30e/0xa40 [ 5813.103781][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5813.103781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.103781][ T10] netlink_rcv_skb+0x130/0x360 [ 5813.103781][ T10] netlink_unicast+0x449/0x710 [ 5813.103781][ T10] netlink_sendmsg+0x723/0xbe0 [ 5813.103781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5813.103781][ T10] ___sys_sendmsg+0xee/0x170 [ 5813.103781][ T10] __sys_sendmsg+0xcd/0x170 [ 5813.103781][ T10] do_syscall_64+0xc6/0x1e0 [ 5813.103781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.103781][ T10] [ 5813.106318][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5813.106318][ T10] netdev_get_by_index+0x5e/0x80 [ 5813.106318][ T10] fib6_nh_init+0x3d8/0x1580 [ 5813.106318][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5813.106318][ T10] ip6_route_add+0x1c/0x140 [ 5813.106318][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5813.106318][ T10] addrconf_add_dev+0xe2/0x170 [ 5813.106318][ T10] inet6_addr_add+0x12f/0xa40 [ 5813.106318][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5813.106318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.106318][ T10] netlink_rcv_skb+0x130/0x360 [ 5813.106318][ T10] netlink_unicast+0x449/0x710 [ 5813.106318][ T10] netlink_sendmsg+0x723/0xbe0 [ 5813.106318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5813.106318][ T10] ___sys_sendmsg+0xee/0x170 [ 5813.106318][ T10] __sys_sendmsg+0xcd/0x170 [ 5813.106318][ T10] do_syscall_64+0xc6/0x1e0 [ 5813.106318][ T10] [ 5813.108692][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5813.108692][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5813.108692][ T10] ipv6_find_idev+0x102/0x170 [ 5813.108692][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5813.108692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.108692][ T10] netlink_rcv_skb+0x130/0x360 [ 5813.108692][ T10] netlink_unicast+0x449/0x710 [ 5813.108692][ T10] netlink_sendmsg+0x723/0xbe0 [ 5813.108692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5813.108692][ T10] ___sys_sendmsg+0xee/0x170 [ 5813.108692][ T10] __sys_sendmsg+0xcd/0x170 [ 5813.108692][ T10] do_syscall_64+0xc6/0x1e0 [ 5813.108692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.108692][ T10] [ 5813.110607][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5813.110607][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5813.110607][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5813.110607][ T10] ipv6_find_idev+0x102/0x170 [ 5813.110607][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5813.110607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.110607][ T10] netlink_rcv_skb+0x130/0x360 [ 5813.110607][ T10] netlink_unicast+0x449/0x710 [ 5813.110607][ T10] netlink_sendmsg+0x723/0xbe0 [ 5813.110607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5813.110607][ T10] ___sys_sendmsg+0xee/0x170 [ 5813.110607][ T10] __sys_sendmsg+0xcd/0x170 [ 5813.110607][ T10] do_syscall_64+0xc6/0x1e0 [ 5813.110607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.110607][ T10] [ 5813.112749][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5813.113008][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5813.113008][ T10] netdev_get_by_index+0x5e/0x80 [ 5813.113008][ T10] fib6_nh_init+0x3d8/0x1580 [ 5813.113008][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5813.113008][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5813.113008][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5813.113008][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5813.113008][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5813.113008][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5813.113008][ T10] addrconf_dad_begin+0x310/0x670 [ 5813.113008][ T10] addrconf_dad_work+0x10b/0xab0 [ 5813.113008][ T10] process_one_work+0x84d/0x18a0 [ 5813.113008][ T10] worker_thread+0x587/0xd30 [ 5813.113008][ T10] kthread+0x28a/0x350 [ 5813.113008][ T10] ret_from_fork+0x31/0x70 [ 5813.113008][ T10] ret_from_fork_asm+0x1a/0x30 [ 5813.113008][ T10] [ 5813.115436][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5813.115436][ T10] netdev_get_by_index+0x5e/0x80 [ 5813.115436][ T10] fib6_nh_init+0x3d8/0x1580 [ 5813.115436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5813.115436][ T10] ip6_route_add+0x1c/0x140 [ 5813.115436][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5813.115436][ T10] inet6_addr_add+0x4f8/0xa40 [ 5813.115436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5813.115436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.115436][ T10] netlink_rcv_skb+0x130/0x360 [ 5813.115436][ T10] netlink_unicast+0x449/0x710 [ 5813.115436][ T10] netlink_sendmsg+0x723/0xbe0 [ 5813.115436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5813.115436][ T10] ___sys_sendmsg+0xee/0x170 [ 5813.115436][ T10] __sys_sendmsg+0xcd/0x170 [ 5813.115436][ T10] do_syscall_64+0xc6/0x1e0 [ 5813.115436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.115436][ T10] [ 5813.117867][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5813.117867][ T10] netdev_get_by_index+0x5e/0x80 [ 5813.117867][ T10] fib6_nh_init+0x3d8/0x1580 [ 5813.117867][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5813.117867][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5813.117867][ T10] ipv6_add_addr+0x411/0x2000 [ 5813.117867][ T10] inet6_addr_add+0x30e/0xa40 [ 5813.117867][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5813.117867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.117867][ T10] netlink_rcv_skb+0x130/0x360 [ 5813.117867][ T10] netlink_unicast+0x449/0x710 [ 5813.117867][ T10] netlink_sendmsg+0x723/0xbe0 [ 5813.117867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5813.117867][ T10] ___sys_sendmsg+0xee/0x170 [ 5813.117867][ T10] __sys_sendmsg+0xcd/0x170 [ 5813.117867][ T10] do_syscall_64+0xc6/0x1e0 [ 5813.117867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.117867][ T10] [ 5813.120336][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5813.120336][ T10] netdev_get_by_index+0x5e/0x80 [ 5813.120336][ T10] fib6_nh_init+0x3d8/0x1580 [ 5813.120336][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5813.120336][ T10] ip6_route_add+0x1c/0x140 [ 5813.120336][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5813.120336][ T10] addrconf_add_dev+0xe2/0x170 [ 5813.120336][ T10] inet6_addr_add+0x12f/0xa40 [ 5813.120336][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5813.120336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.120336][ T10] netlink_rcv_skb+0x130/0x360 [ 5813.120336][ T10] netlink_unicast+0x449/0x710 [ 5813.120336][ T10] netlink_sendmsg+0x723/0xbe0 [ 5813.120336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5813.120336][ T10] ___sys_sendmsg+0xee/0x170 [ 5813.120336][ T10] __sys_sendmsg+0xcd/0x170 [ 5813.120336][ T10] do_syscall_64+0xc6/0x1e0 [ 5813.120336][ T10] [ 5813.122788][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5813.122788][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5813.122788][ T10] ipv6_find_idev+0x102/0x170 [ 5813.122788][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5813.122788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.122788][ T10] netlink_rcv_skb+0x130/0x360 [ 5813.122788][ T10] netlink_unicast+0x449/0x710 [ 5813.122788][ T10] netlink_sendmsg+0x723/0xbe0 [ 5813.122788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5813.122788][ T10] ___sys_sendmsg+0xee/0x170 [ 5813.122788][ T10] __sys_sendmsg+0xcd/0x170 [ 5813.122788][ T10] do_syscall_64+0xc6/0x1e0 [ 5813.122788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.122788][ T10] [ 5813.124671][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5813.124671][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5813.124671][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5813.124671][ T10] ipv6_find_idev+0x102/0x170 [ 5813.124671][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5813.124671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.124671][ T10] netlink_rcv_skb+0x130/0x360 [ 5813.124671][ T10] netlink_unicast+0x449/0x710 [ 5813.124671][ T10] netlink_sendmsg+0x723/0xbe0 [ 5813.124671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5813.124671][ T10] ___sys_sendmsg+0xee/0x170 [ 5813.124671][ T10] __sys_sendmsg+0xcd/0x170 [ 5813.124671][ T10] do_syscall_64+0xc6/0x1e0 [ 5813.124671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.124671][ T10] [ 5814.177029][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5814.177515][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5814.177515][ T1167] dst_init+0x84/0x4a0 [ 5814.177515][ T1167] dst_alloc+0x97/0x150 [ 5814.177515][ T1167] ip6_dst_alloc+0x23/0x90 [ 5814.177515][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5814.177515][ T1167] ip6_pol_route+0x56f/0x840 [ 5814.177515][ T1167] fib6_rule_lookup+0x334/0x630 [ 5814.177515][ T1167] ip6_route_output_flags+0x259/0x480 [ 5814.177515][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5814.177515][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5814.177515][ T1167] netlink_rcv_skb+0x130/0x360 [ 5814.177515][ T1167] netlink_unicast+0x449/0x710 [ 5814.177515][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5814.177515][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5814.177515][ T1167] ___sys_sendmsg+0xee/0x170 [ 5814.177515][ T1167] __sys_sendmsg+0xcd/0x170 [ 5814.177515][ T1167] do_syscall_64+0xc6/0x1e0 [ 5814.177515][ T1167] [ 5814.179733][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5814.179733][ T1167] netdev_get_by_index+0x5e/0x80 [ 5814.179733][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5814.179733][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5814.179733][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5814.179733][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5814.179733][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5814.179733][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5814.179733][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5814.179733][ T1167] addrconf_dad_begin+0x310/0x670 [ 5814.179733][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5814.179733][ T1167] process_one_work+0x84d/0x18a0 [ 5814.179733][ T1167] worker_thread+0x587/0xd30 [ 5814.179733][ T1167] kthread+0x28a/0x350 [ 5814.179733][ T1167] ret_from_fork+0x31/0x70 [ 5814.179733][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5814.179733][ T1167] [ 5814.181900][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5814.181900][ T1167] netdev_get_by_index+0x5e/0x80 [ 5814.181900][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5814.181900][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5814.181900][ T1167] ip6_route_add+0x1c/0x140 [ 5814.181900][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5814.181900][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5814.181900][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5814.181900][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5814.181900][ T1167] netlink_rcv_skb+0x130/0x360 [ 5814.181900][ T1167] netlink_unicast+0x449/0x710 [ 5814.181900][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5814.181900][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5814.181900][ T1167] ___sys_sendmsg+0xee/0x170 [ 5814.181900][ T1167] __sys_sendmsg+0xcd/0x170 [ 5814.181900][ T1167] do_syscall_64+0xc6/0x1e0 [ 5814.181900][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5814.181900][ T1167] [ 5814.184170][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5814.184170][ T1167] netdev_get_by_index+0x5e/0x80 [ 5814.184170][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5814.184170][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5814.184170][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5814.184170][ T1167] ipv6_add_addr+0x411/0x2000 [ 5814.184170][ T1167] inet6_addr_add+0x30e/0xa40 [ 5814.184170][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5814.184170][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5814.184170][ T1167] netlink_rcv_skb+0x130/0x360 [ 5814.184170][ T1167] netlink_unicast+0x449/0x710 [ 5814.184170][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5814.184170][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5814.184170][ T1167] ___sys_sendmsg+0xee/0x170 [ 5814.184170][ T1167] __sys_sendmsg+0xcd/0x170 [ 5814.184170][ T1167] do_syscall_64+0xc6/0x1e0 [ 5814.184170][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5814.184170][ T1167] [ 5814.186442][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5814.186442][ T1167] netdev_get_by_index+0x5e/0x80 [ 5814.186442][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5814.186442][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5814.186442][ T1167] ip6_route_add+0x1c/0x140 [ 5814.186442][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5814.186442][ T1167] addrconf_add_dev+0xe2/0x170 [ 5814.186442][ T1167] inet6_addr_add+0x12f/0xa40 [ 5814.186442][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5814.186442][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5814.186442][ T1167] netlink_rcv_skb+0x130/0x360 [ 5814.186442][ T1167] netlink_unicast+0x449/0x710 [ 5814.186442][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5814.186442][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5814.186442][ T1167] ___sys_sendmsg+0xee/0x170 [ 5814.186442][ T1167] __sys_sendmsg+0xcd/0x170 [ 5814.186442][ T1167] do_syscall_64+0xc6/0x1e0 [ 5814.186442][ T1167] [ 5814.188673][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5814.188673][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5814.188673][ T1167] ipv6_find_idev+0x102/0x170 [ 5814.188673][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5814.188673][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5814.188673][ T1167] netlink_rcv_skb+0x130/0x360 [ 5814.188673][ T1167] netlink_unicast+0x449/0x710 [ 5814.188673][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5814.188673][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5814.188673][ T1167] ___sys_sendmsg+0xee/0x170 [ 5814.188673][ T1167] __sys_sendmsg+0xcd/0x170 [ 5814.188673][ T1167] do_syscall_64+0xc6/0x1e0 [ 5814.188673][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5814.188673][ T1167] [ 5814.190426][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5814.190426][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5814.190426][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5814.190426][ T1167] ipv6_find_idev+0x102/0x170 [ 5814.190426][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5814.190426][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5814.190426][ T1167] netlink_rcv_skb+0x130/0x360 [ 5814.190426][ T1167] netlink_unicast+0x449/0x710 [ 5814.190426][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5814.190426][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5814.190426][ T1167] ___sys_sendmsg+0xee/0x170 [ 5814.190426][ T1167] __sys_sendmsg+0xcd/0x170 [ 5814.190426][ T1167] do_syscall_64+0xc6/0x1e0 [ 5814.190426][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5814.190426][ T1167] [ 5823.369109][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5823.369516][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5823.369516][ T10] netdev_get_by_index+0x5e/0x80 [ 5823.369516][ T10] fib6_nh_init+0x3d8/0x1580 [ 5823.369516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5823.369516][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5823.369516][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5823.369516][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5823.369516][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5823.369516][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5823.369516][ T10] addrconf_dad_begin+0x310/0x670 [ 5823.369516][ T10] addrconf_dad_work+0x10b/0xab0 [ 5823.369516][ T10] process_one_work+0x84d/0x18a0 [ 5823.369516][ T10] worker_thread+0x587/0xd30 [ 5823.369516][ T10] kthread+0x28a/0x350 [ 5823.369516][ T10] ret_from_fork+0x31/0x70 [ 5823.369516][ T10] ret_from_fork_asm+0x1a/0x30 [ 5823.369516][ T10] [ 5823.371470][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5823.371470][ T10] netdev_get_by_index+0x5e/0x80 [ 5823.371470][ T10] fib6_nh_init+0x3d8/0x1580 [ 5823.371470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5823.371470][ T10] ip6_route_add+0x1c/0x140 [ 5823.371470][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5823.371470][ T10] inet6_addr_add+0x4f8/0xa40 [ 5823.371470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5823.371470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.371470][ T10] netlink_rcv_skb+0x130/0x360 [ 5823.371470][ T10] netlink_unicast+0x449/0x710 [ 5823.371470][ T10] netlink_sendmsg+0x723/0xbe0 [ 5823.371470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5823.371470][ T10] ___sys_sendmsg+0xee/0x170 [ 5823.371470][ T10] __sys_sendmsg+0xcd/0x170 [ 5823.371470][ T10] do_syscall_64+0xc6/0x1e0 [ 5823.371470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.371470][ T10] [ 5823.373460][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5823.373460][ T10] netdev_get_by_index+0x5e/0x80 [ 5823.373460][ T10] fib6_nh_init+0x3d8/0x1580 [ 5823.373460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5823.373460][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5823.373460][ T10] ipv6_add_addr+0x411/0x2000 [ 5823.373460][ T10] inet6_addr_add+0x30e/0xa40 [ 5823.373460][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5823.373460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.373460][ T10] netlink_rcv_skb+0x130/0x360 [ 5823.373460][ T10] netlink_unicast+0x449/0x710 [ 5823.373460][ T10] netlink_sendmsg+0x723/0xbe0 [ 5823.373460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5823.373460][ T10] ___sys_sendmsg+0xee/0x170 [ 5823.373460][ T10] __sys_sendmsg+0xcd/0x170 [ 5823.373460][ T10] do_syscall_64+0xc6/0x1e0 [ 5823.373460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.373460][ T10] [ 5823.375455][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5823.375455][ T10] netdev_get_by_index+0x5e/0x80 [ 5823.375455][ T10] fib6_nh_init+0x3d8/0x1580 [ 5823.375455][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5823.375455][ T10] ip6_route_add+0x1c/0x140 [ 5823.375455][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5823.375455][ T10] addrconf_add_dev+0xe2/0x170 [ 5823.375455][ T10] inet6_addr_add+0x12f/0xa40 [ 5823.375455][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5823.375455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.375455][ T10] netlink_rcv_skb+0x130/0x360 [ 5823.375455][ T10] netlink_unicast+0x449/0x710 [ 5823.375455][ T10] netlink_sendmsg+0x723/0xbe0 [ 5823.375455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5823.375455][ T10] ___sys_sendmsg+0xee/0x170 [ 5823.375455][ T10] __sys_sendmsg+0xcd/0x170 [ 5823.375455][ T10] do_syscall_64+0xc6/0x1e0 [ 5823.375455][ T10] [ 5823.377409][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5823.377409][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5823.377409][ T10] ipv6_find_idev+0x102/0x170 [ 5823.377409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5823.377409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.377409][ T10] netlink_rcv_skb+0x130/0x360 [ 5823.377409][ T10] netlink_unicast+0x449/0x710 [ 5823.377409][ T10] netlink_sendmsg+0x723/0xbe0 [ 5823.377409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5823.377409][ T10] ___sys_sendmsg+0xee/0x170 [ 5823.377409][ T10] __sys_sendmsg+0xcd/0x170 [ 5823.377409][ T10] do_syscall_64+0xc6/0x1e0 [ 5823.377409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.377409][ T10] [ 5823.378943][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5823.378943][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5823.378943][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5823.378943][ T10] ipv6_find_idev+0x102/0x170 [ 5823.378943][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5823.378943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.378943][ T10] netlink_rcv_skb+0x130/0x360 [ 5823.378943][ T10] netlink_unicast+0x449/0x710 [ 5823.378943][ T10] netlink_sendmsg+0x723/0xbe0 [ 5823.378943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5823.378943][ T10] ___sys_sendmsg+0xee/0x170 [ 5823.378943][ T10] __sys_sendmsg+0xcd/0x170 [ 5823.378943][ T10] do_syscall_64+0xc6/0x1e0 [ 5823.378943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.378943][ T10] [ 5823.380626][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5823.380870][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5823.380870][ T10] netdev_get_by_index+0x5e/0x80 [ 5823.380870][ T10] fib6_nh_init+0x3d8/0x1580 [ 5823.380870][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5823.380870][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5823.380870][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5823.380870][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5823.380870][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5823.380870][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5823.380870][ T10] addrconf_dad_begin+0x310/0x670 [ 5823.380870][ T10] addrconf_dad_work+0x10b/0xab0 [ 5823.380870][ T10] process_one_work+0x84d/0x18a0 [ 5823.380870][ T10] worker_thread+0x587/0xd30 [ 5823.380870][ T10] kthread+0x28a/0x350 [ 5823.380870][ T10] ret_from_fork+0x31/0x70 [ 5823.380870][ T10] ret_from_fork_asm+0x1a/0x30 [ 5823.380870][ T10] [ 5823.382772][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5823.382772][ T10] netdev_get_by_index+0x5e/0x80 [ 5823.382772][ T10] fib6_nh_init+0x3d8/0x1580 [ 5823.382772][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5823.382772][ T10] ip6_route_add+0x1c/0x140 [ 5823.382772][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5823.382772][ T10] inet6_addr_add+0x4f8/0xa40 [ 5823.382772][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5823.382772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.382772][ T10] netlink_rcv_skb+0x130/0x360 [ 5823.382772][ T10] netlink_unicast+0x449/0x710 [ 5823.382772][ T10] netlink_sendmsg+0x723/0xbe0 [ 5823.382772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5823.382772][ T10] ___sys_sendmsg+0xee/0x170 [ 5823.382772][ T10] __sys_sendmsg+0xcd/0x170 [ 5823.382772][ T10] do_syscall_64+0xc6/0x1e0 [ 5823.382772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.382772][ T10] [ 5823.384758][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5823.384758][ T10] netdev_get_by_index+0x5e/0x80 [ 5823.384758][ T10] fib6_nh_init+0x3d8/0x1580 [ 5823.384758][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5823.384758][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5823.384758][ T10] ipv6_add_addr+0x411/0x2000 [ 5823.384758][ T10] inet6_addr_add+0x30e/0xa40 [ 5823.384758][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5823.384758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.384758][ T10] netlink_rcv_skb+0x130/0x360 [ 5823.384758][ T10] netlink_unicast+0x449/0x710 [ 5823.384758][ T10] netlink_sendmsg+0x723/0xbe0 [ 5823.384758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5823.384758][ T10] ___sys_sendmsg+0xee/0x170 [ 5823.384758][ T10] __sys_sendmsg+0xcd/0x170 [ 5823.384758][ T10] do_syscall_64+0xc6/0x1e0 [ 5823.384758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.384758][ T10] [ 5823.386738][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5823.386738][ T10] netdev_get_by_index+0x5e/0x80 [ 5823.386738][ T10] fib6_nh_init+0x3d8/0x1580 [ 5823.386738][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5823.386738][ T10] ip6_route_add+0x1c/0x140 [ 5823.386738][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5823.386738][ T10] addrconf_add_dev+0xe2/0x170 [ 5823.386738][ T10] inet6_addr_add+0x12f/0xa40 [ 5823.386738][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5823.386738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.386738][ T10] netlink_rcv_skb+0x130/0x360 [ 5823.386738][ T10] netlink_unicast+0x449/0x710 [ 5823.386738][ T10] netlink_sendmsg+0x723/0xbe0 [ 5823.386738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5823.386738][ T10] ___sys_sendmsg+0xee/0x170 [ 5823.386738][ T10] __sys_sendmsg+0xcd/0x170 [ 5823.386738][ T10] do_syscall_64+0xc6/0x1e0 [ 5823.386738][ T10] [ 5823.388733][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5823.388733][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5823.388733][ T10] ipv6_find_idev+0x102/0x170 [ 5823.388733][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5823.388733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.388733][ T10] netlink_rcv_skb+0x130/0x360 [ 5823.388733][ T10] netlink_unicast+0x449/0x710 [ 5823.388733][ T10] netlink_sendmsg+0x723/0xbe0 [ 5823.388733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5823.388733][ T10] ___sys_sendmsg+0xee/0x170 [ 5823.388733][ T10] __sys_sendmsg+0xcd/0x170 [ 5823.388733][ T10] do_syscall_64+0xc6/0x1e0 [ 5823.388733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.388733][ T10] [ 5823.390291][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5823.390291][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5823.390291][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5823.390291][ T10] ipv6_find_idev+0x102/0x170 [ 5823.390291][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5823.390291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.390291][ T10] netlink_rcv_skb+0x130/0x360 [ 5823.390291][ T10] netlink_unicast+0x449/0x710 [ 5823.390291][ T10] netlink_sendmsg+0x723/0xbe0 [ 5823.390291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5823.390291][ T10] ___sys_sendmsg+0xee/0x170 [ 5823.390291][ T10] __sys_sendmsg+0xcd/0x170 [ 5823.390291][ T10] do_syscall_64+0xc6/0x1e0 [ 5823.390291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.390291][ T10] [ 5823.391980][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5823.392230][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5823.392230][ T10] netdev_get_by_index+0x5e/0x80 [ 5823.392230][ T10] fib6_nh_init+0x3d8/0x1580 [ 5823.392230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5823.392230][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5823.392230][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5823.392230][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5823.392230][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5823.392230][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5823.392230][ T10] addrconf_dad_begin+0x310/0x670 [ 5823.392230][ T10] addrconf_dad_work+0x10b/0xab0 [ 5823.392230][ T10] process_one_work+0x84d/0x18a0 [ 5823.392230][ T10] worker_thread+0x587/0xd30 [ 5823.392230][ T10] kthread+0x28a/0x350 [ 5823.392230][ T10] ret_from_fork+0x31/0x70 [ 5823.392230][ T10] ret_from_fork_asm+0x1a/0x30 [ 5823.392230][ T10] [ 5823.394138][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5823.394138][ T10] netdev_get_by_index+0x5e/0x80 [ 5823.394138][ T10] fib6_nh_init+0x3d8/0x1580 [ 5823.394138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5823.394138][ T10] ip6_route_add+0x1c/0x140 [ 5823.394138][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5823.394138][ T10] inet6_addr_add+0x4f8/0xa40 [ 5823.394138][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5823.394138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.394138][ T10] netlink_rcv_skb+0x130/0x360 [ 5823.394138][ T10] netlink_unicast+0x449/0x710 [ 5823.394138][ T10] netlink_sendmsg+0x723/0xbe0 [ 5823.394138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5823.394138][ T10] ___sys_sendmsg+0xee/0x170 [ 5823.394138][ T10] __sys_sendmsg+0xcd/0x170 [ 5823.394138][ T10] do_syscall_64+0xc6/0x1e0 [ 5823.394138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.394138][ T10] [ 5823.396994][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5823.396994][ T10] netdev_get_by_index+0x5e/0x80 [ 5823.396994][ T10] fib6_nh_init+0x3d8/0x1580 [ 5823.396994][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5823.396994][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5823.396994][ T10] ipv6_add_addr+0x411/0x2000 [ 5823.396994][ T10] inet6_addr_add+0x30e/0xa40 [ 5823.396994][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5823.396994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.396994][ T10] netlink_rcv_skb+0x130/0x360 [ 5823.396994][ T10] netlink_unicast+0x449/0x710 [ 5823.396994][ T10] netlink_sendmsg+0x723/0xbe0 [ 5823.396994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5823.396994][ T10] ___sys_sendmsg+0xee/0x170 [ 5823.396994][ T10] __sys_sendmsg+0xcd/0x170 [ 5823.396994][ T10] do_syscall_64+0xc6/0x1e0 [ 5823.396994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.396994][ T10] [ 5823.403051][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5823.403051][ T10] netdev_get_by_index+0x5e/0x80 [ 5823.403051][ T10] fib6_nh_init+0x3d8/0x1580 [ 5823.403051][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5823.403051][ T10] ip6_route_add+0x1c/0x140 [ 5823.403051][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5823.403051][ T10] addrconf_add_dev+0xe2/0x170 [ 5823.403051][ T10] inet6_addr_add+0x12f/0xa40 [ 5823.403051][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5823.403051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.403051][ T10] netlink_rcv_skb+0x130/0x360 [ 5823.403051][ T10] netlink_unicast+0x449/0x710 [ 5823.403051][ T10] netlink_sendmsg+0x723/0xbe0 [ 5823.403051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5823.403051][ T10] ___sys_sendmsg+0xee/0x170 [ 5823.403051][ T10] __sys_sendmsg+0xcd/0x170 [ 5823.403051][ T10] do_syscall_64+0xc6/0x1e0 [ 5823.403051][ T10] [ 5823.405185][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5823.405185][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5823.405185][ T10] ipv6_find_idev+0x102/0x170 [ 5823.405185][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5823.405185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.405185][ T10] netlink_rcv_skb+0x130/0x360 [ 5823.405185][ T10] netlink_unicast+0x449/0x710 [ 5823.405185][ T10] netlink_sendmsg+0x723/0xbe0 [ 5823.405185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5823.405185][ T10] ___sys_sendmsg+0xee/0x170 [ 5823.405185][ T10] __sys_sendmsg+0xcd/0x170 [ 5823.405185][ T10] do_syscall_64+0xc6/0x1e0 [ 5823.405185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.405185][ T10] [ 5823.406903][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5823.406903][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5823.406903][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5823.406903][ T10] ipv6_find_idev+0x102/0x170 [ 5823.406903][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5823.406903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.406903][ T10] netlink_rcv_skb+0x130/0x360 [ 5823.406903][ T10] netlink_unicast+0x449/0x710 [ 5823.406903][ T10] netlink_sendmsg+0x723/0xbe0 [ 5823.406903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5823.406903][ T10] ___sys_sendmsg+0xee/0x170 [ 5823.406903][ T10] __sys_sendmsg+0xcd/0x170 [ 5823.406903][ T10] do_syscall_64+0xc6/0x1e0 [ 5823.406903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.406903][ T10] [ 5823.408837][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5823.409514][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5823.409514][ T10] netdev_get_by_index+0x5e/0x80 [ 5823.409514][ T10] fib6_nh_init+0x3d8/0x1580 [ 5823.409514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5823.409514][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5823.409514][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5823.409514][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5823.409514][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5823.409514][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5823.409514][ T10] addrconf_dad_begin+0x310/0x670 [ 5823.409514][ T10] addrconf_dad_work+0x10b/0xab0 [ 5823.409514][ T10] process_one_work+0x84d/0x18a0 [ 5823.409514][ T10] worker_thread+0x587/0xd30 [ 5823.409514][ T10] kthread+0x28a/0x350 [ 5823.409514][ T10] ret_from_fork+0x31/0x70 [ 5823.409514][ T10] ret_from_fork_asm+0x1a/0x30 [ 5823.409514][ T10] [ 5823.411430][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5823.411430][ T10] netdev_get_by_index+0x5e/0x80 [ 5823.411430][ T10] fib6_nh_init+0x3d8/0x1580 [ 5823.411430][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5823.411430][ T10] ip6_route_add+0x1c/0x140 [ 5823.411430][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5823.411430][ T10] inet6_addr_add+0x4f8/0xa40 [ 5823.411430][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5823.411430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.411430][ T10] netlink_rcv_skb+0x130/0x360 [ 5823.411430][ T10] netlink_unicast+0x449/0x710 [ 5823.411430][ T10] netlink_sendmsg+0x723/0xbe0 [ 5823.411430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5823.411430][ T10] ___sys_sendmsg+0xee/0x170 [ 5823.411430][ T10] __sys_sendmsg+0xcd/0x170 [ 5823.411430][ T10] do_syscall_64+0xc6/0x1e0 [ 5823.411430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.411430][ T10] [ 5823.413493][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5823.413493][ T10] netdev_get_by_index+0x5e/0x80 [ 5823.413493][ T10] fib6_nh_init+0x3d8/0x1580 [ 5823.413493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5823.413493][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5823.413493][ T10] ipv6_add_addr+0x411/0x2000 [ 5823.413493][ T10] inet6_addr_add+0x30e/0xa40 [ 5823.413493][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5823.413493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.413493][ T10] netlink_rcv_skb+0x130/0x360 [ 5823.413493][ T10] netlink_unicast+0x449/0x710 [ 5823.413493][ T10] netlink_sendmsg+0x723/0xbe0 [ 5823.413493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5823.413493][ T10] ___sys_sendmsg+0xee/0x170 [ 5823.413493][ T10] __sys_sendmsg+0xcd/0x170 [ 5823.413493][ T10] do_syscall_64+0xc6/0x1e0 [ 5823.413493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.413493][ T10] [ 5823.415624][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5823.415624][ T10] netdev_get_by_index+0x5e/0x80 [ 5823.415624][ T10] fib6_nh_init+0x3d8/0x1580 [ 5823.415624][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5823.415624][ T10] ip6_route_add+0x1c/0x140 [ 5823.415624][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5823.415624][ T10] addrconf_add_dev+0xe2/0x170 [ 5823.415624][ T10] inet6_addr_add+0x12f/0xa40 [ 5823.415624][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5823.415624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.415624][ T10] netlink_rcv_skb+0x130/0x360 [ 5823.415624][ T10] netlink_unicast+0x449/0x710 [ 5823.415624][ T10] netlink_sendmsg+0x723/0xbe0 [ 5823.415624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5823.415624][ T10] ___sys_sendmsg+0xee/0x170 [ 5823.415624][ T10] __sys_sendmsg+0xcd/0x170 [ 5823.415624][ T10] do_syscall_64+0xc6/0x1e0 [ 5823.415624][ T10] [ 5823.417729][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5823.417729][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5823.417729][ T10] ipv6_find_idev+0x102/0x170 [ 5823.417729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5823.417729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.417729][ T10] netlink_rcv_skb+0x130/0x360 [ 5823.417729][ T10] netlink_unicast+0x449/0x710 [ 5823.417729][ T10] netlink_sendmsg+0x723/0xbe0 [ 5823.417729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5823.417729][ T10] ___sys_sendmsg+0xee/0x170 [ 5823.417729][ T10] __sys_sendmsg+0xcd/0x170 [ 5823.417729][ T10] do_syscall_64+0xc6/0x1e0 [ 5823.417729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.417729][ T10] [ 5823.419329][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5823.419329][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5823.419329][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5823.419329][ T10] ipv6_find_idev+0x102/0x170 [ 5823.419329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5823.419329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.419329][ T10] netlink_rcv_skb+0x130/0x360 [ 5823.419329][ T10] netlink_unicast+0x449/0x710 [ 5823.419329][ T10] netlink_sendmsg+0x723/0xbe0 [ 5823.419329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5823.419329][ T10] ___sys_sendmsg+0xee/0x170 [ 5823.419329][ T10] __sys_sendmsg+0xcd/0x170 [ 5823.419329][ T10] do_syscall_64+0xc6/0x1e0 [ 5823.419329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.419329][ T10] [ 5824.433032][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5824.433459][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5824.433459][ T1167] dst_init+0x84/0x4a0 [ 5824.433459][ T1167] dst_alloc+0x97/0x150 [ 5824.433459][ T1167] ip6_dst_alloc+0x23/0x90 [ 5824.433459][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5824.433459][ T1167] ip6_pol_route+0x56f/0x840 [ 5824.433459][ T1167] fib6_rule_lookup+0x334/0x630 [ 5824.433459][ T1167] ip6_route_output_flags+0x259/0x480 [ 5824.433459][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5824.433459][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5824.433459][ T1167] netlink_rcv_skb+0x130/0x360 [ 5824.433459][ T1167] netlink_unicast+0x449/0x710 [ 5824.433459][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5824.433459][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5824.433459][ T1167] ___sys_sendmsg+0xee/0x170 [ 5824.433459][ T1167] __sys_sendmsg+0xcd/0x170 [ 5824.433459][ T1167] do_syscall_64+0xc6/0x1e0 [ 5824.433459][ T1167] [ 5824.435679][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5824.435679][ T1167] netdev_get_by_index+0x5e/0x80 [ 5824.435679][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5824.435679][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5824.435679][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5824.435679][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5824.435679][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5824.435679][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5824.435679][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5824.435679][ T1167] addrconf_dad_begin+0x310/0x670 [ 5824.435679][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5824.435679][ T1167] process_one_work+0x84d/0x18a0 [ 5824.435679][ T1167] worker_thread+0x587/0xd30 [ 5824.435679][ T1167] kthread+0x28a/0x350 [ 5824.435679][ T1167] ret_from_fork+0x31/0x70 [ 5824.435679][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5824.435679][ T1167] [ 5824.437839][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5824.437839][ T1167] netdev_get_by_index+0x5e/0x80 [ 5824.437839][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5824.437839][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5824.437839][ T1167] ip6_route_add+0x1c/0x140 [ 5824.437839][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5824.437839][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5824.437839][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5824.437839][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5824.437839][ T1167] netlink_rcv_skb+0x130/0x360 [ 5824.437839][ T1167] netlink_unicast+0x449/0x710 [ 5824.437839][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5824.437839][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5824.437839][ T1167] ___sys_sendmsg+0xee/0x170 [ 5824.437839][ T1167] __sys_sendmsg+0xcd/0x170 [ 5824.437839][ T1167] do_syscall_64+0xc6/0x1e0 [ 5824.437839][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5824.437839][ T1167] [ 5824.440094][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5824.440094][ T1167] netdev_get_by_index+0x5e/0x80 [ 5824.440094][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5824.440094][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5824.440094][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5824.440094][ T1167] ipv6_add_addr+0x411/0x2000 [ 5824.440094][ T1167] inet6_addr_add+0x30e/0xa40 [ 5824.440094][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5824.440094][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5824.440094][ T1167] netlink_rcv_skb+0x130/0x360 [ 5824.440094][ T1167] netlink_unicast+0x449/0x710 [ 5824.440094][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5824.440094][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5824.440094][ T1167] ___sys_sendmsg+0xee/0x170 [ 5824.440094][ T1167] __sys_sendmsg+0xcd/0x170 [ 5824.440094][ T1167] do_syscall_64+0xc6/0x1e0 [ 5824.440094][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5824.440094][ T1167] [ 5824.442361][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5824.442361][ T1167] netdev_get_by_index+0x5e/0x80 [ 5824.442361][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5824.442361][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5824.442361][ T1167] ip6_route_add+0x1c/0x140 [ 5824.442361][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5824.442361][ T1167] addrconf_add_dev+0xe2/0x170 [ 5824.442361][ T1167] inet6_addr_add+0x12f/0xa40 [ 5824.442361][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5824.442361][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5824.442361][ T1167] netlink_rcv_skb+0x130/0x360 [ 5824.442361][ T1167] netlink_unicast+0x449/0x710 [ 5824.442361][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5824.442361][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5824.442361][ T1167] ___sys_sendmsg+0xee/0x170 [ 5824.442361][ T1167] __sys_sendmsg+0xcd/0x170 [ 5824.442361][ T1167] do_syscall_64+0xc6/0x1e0 [ 5824.442361][ T1167] [ 5824.444615][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5824.444615][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5824.444615][ T1167] ipv6_find_idev+0x102/0x170 [ 5824.444615][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5824.444615][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5824.444615][ T1167] netlink_rcv_skb+0x130/0x360 [ 5824.444615][ T1167] netlink_unicast+0x449/0x710 [ 5824.444615][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5824.444615][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5824.444615][ T1167] ___sys_sendmsg+0xee/0x170 [ 5824.444615][ T1167] __sys_sendmsg+0xcd/0x170 [ 5824.444615][ T1167] do_syscall_64+0xc6/0x1e0 [ 5824.444615][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5824.444615][ T1167] [ 5824.446372][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5824.446372][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5824.446372][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5824.446372][ T1167] ipv6_find_idev+0x102/0x170 [ 5824.446372][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5824.446372][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5824.446372][ T1167] netlink_rcv_skb+0x130/0x360 [ 5824.446372][ T1167] netlink_unicast+0x449/0x710 [ 5824.446372][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5824.446372][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5824.446372][ T1167] ___sys_sendmsg+0xee/0x170 [ 5824.446372][ T1167] __sys_sendmsg+0xcd/0x170 [ 5824.446372][ T1167] do_syscall_64+0xc6/0x1e0 [ 5824.446372][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5824.446372][ T1167] [ 5833.657113][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5833.657467][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5833.657467][ T10] netdev_get_by_index+0x5e/0x80 [ 5833.657467][ T10] fib6_nh_init+0x3d8/0x1580 [ 5833.657467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5833.657467][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5833.657467][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5833.657467][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5833.657467][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5833.657467][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5833.657467][ T10] addrconf_dad_begin+0x310/0x670 [ 5833.657467][ T10] addrconf_dad_work+0x10b/0xab0 [ 5833.657467][ T10] process_one_work+0x84d/0x18a0 [ 5833.657467][ T10] worker_thread+0x587/0xd30 [ 5833.657467][ T10] kthread+0x28a/0x350 [ 5833.657467][ T10] ret_from_fork+0x31/0x70 [ 5833.657467][ T10] ret_from_fork_asm+0x1a/0x30 [ 5833.657467][ T10] [ 5833.659444][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5833.659444][ T10] netdev_get_by_index+0x5e/0x80 [ 5833.659444][ T10] fib6_nh_init+0x3d8/0x1580 [ 5833.659444][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5833.659444][ T10] ip6_route_add+0x1c/0x140 [ 5833.659444][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5833.659444][ T10] inet6_addr_add+0x4f8/0xa40 [ 5833.659444][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5833.659444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.659444][ T10] netlink_rcv_skb+0x130/0x360 [ 5833.659444][ T10] netlink_unicast+0x449/0x710 [ 5833.659444][ T10] netlink_sendmsg+0x723/0xbe0 [ 5833.659444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5833.659444][ T10] ___sys_sendmsg+0xee/0x170 [ 5833.659444][ T10] __sys_sendmsg+0xcd/0x170 [ 5833.659444][ T10] do_syscall_64+0xc6/0x1e0 [ 5833.659444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.659444][ T10] [ 5833.661488][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5833.661488][ T10] netdev_get_by_index+0x5e/0x80 [ 5833.661488][ T10] fib6_nh_init+0x3d8/0x1580 [ 5833.661488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5833.661488][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5833.661488][ T10] ipv6_add_addr+0x411/0x2000 [ 5833.661488][ T10] inet6_addr_add+0x30e/0xa40 [ 5833.661488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5833.661488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.661488][ T10] netlink_rcv_skb+0x130/0x360 [ 5833.661488][ T10] netlink_unicast+0x449/0x710 [ 5833.661488][ T10] netlink_sendmsg+0x723/0xbe0 [ 5833.661488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5833.661488][ T10] ___sys_sendmsg+0xee/0x170 [ 5833.661488][ T10] __sys_sendmsg+0xcd/0x170 [ 5833.661488][ T10] do_syscall_64+0xc6/0x1e0 [ 5833.661488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.661488][ T10] [ 5833.663542][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5833.663542][ T10] netdev_get_by_index+0x5e/0x80 [ 5833.663542][ T10] fib6_nh_init+0x3d8/0x1580 [ 5833.663542][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5833.663542][ T10] ip6_route_add+0x1c/0x140 [ 5833.663542][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5833.663542][ T10] addrconf_add_dev+0xe2/0x170 [ 5833.663542][ T10] inet6_addr_add+0x12f/0xa40 [ 5833.663542][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5833.663542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.663542][ T10] netlink_rcv_skb+0x130/0x360 [ 5833.663542][ T10] netlink_unicast+0x449/0x710 [ 5833.663542][ T10] netlink_sendmsg+0x723/0xbe0 [ 5833.663542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5833.663542][ T10] ___sys_sendmsg+0xee/0x170 [ 5833.663542][ T10] __sys_sendmsg+0xcd/0x170 [ 5833.663542][ T10] do_syscall_64+0xc6/0x1e0 [ 5833.663542][ T10] [ 5833.667003][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5833.667003][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5833.667003][ T10] ipv6_find_idev+0x102/0x170 [ 5833.667003][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5833.667003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.667003][ T10] netlink_rcv_skb+0x130/0x360 [ 5833.667003][ T10] netlink_unicast+0x449/0x710 [ 5833.667003][ T10] netlink_sendmsg+0x723/0xbe0 [ 5833.667003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5833.667003][ T10] ___sys_sendmsg+0xee/0x170 [ 5833.667003][ T10] __sys_sendmsg+0xcd/0x170 [ 5833.667003][ T10] do_syscall_64+0xc6/0x1e0 [ 5833.667003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.667003][ T10] [ 5833.668577][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5833.668577][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5833.668577][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5833.668577][ T10] ipv6_find_idev+0x102/0x170 [ 5833.668577][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5833.668577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.668577][ T10] netlink_rcv_skb+0x130/0x360 [ 5833.668577][ T10] netlink_unicast+0x449/0x710 [ 5833.668577][ T10] netlink_sendmsg+0x723/0xbe0 [ 5833.668577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5833.668577][ T10] ___sys_sendmsg+0xee/0x170 [ 5833.668577][ T10] __sys_sendmsg+0xcd/0x170 [ 5833.668577][ T10] do_syscall_64+0xc6/0x1e0 [ 5833.668577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.668577][ T10] [ 5833.670302][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5833.670565][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5833.670565][ T10] netdev_get_by_index+0x5e/0x80 [ 5833.670565][ T10] fib6_nh_init+0x3d8/0x1580 [ 5833.670565][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5833.670565][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5833.670565][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5833.670565][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5833.670565][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5833.670565][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5833.670565][ T10] addrconf_dad_begin+0x310/0x670 [ 5833.670565][ T10] addrconf_dad_work+0x10b/0xab0 [ 5833.670565][ T10] process_one_work+0x84d/0x18a0 [ 5833.670565][ T10] worker_thread+0x587/0xd30 [ 5833.670565][ T10] kthread+0x28a/0x350 [ 5833.670565][ T10] ret_from_fork+0x31/0x70 [ 5833.670565][ T10] ret_from_fork_asm+0x1a/0x30 [ 5833.670565][ T10] [ 5833.672505][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5833.672505][ T10] netdev_get_by_index+0x5e/0x80 [ 5833.672505][ T10] fib6_nh_init+0x3d8/0x1580 [ 5833.672505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5833.672505][ T10] ip6_route_add+0x1c/0x140 [ 5833.672505][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5833.672505][ T10] inet6_addr_add+0x4f8/0xa40 [ 5833.672505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5833.672505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.672505][ T10] netlink_rcv_skb+0x130/0x360 [ 5833.672505][ T10] netlink_unicast+0x449/0x710 [ 5833.672505][ T10] netlink_sendmsg+0x723/0xbe0 [ 5833.672505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5833.672505][ T10] ___sys_sendmsg+0xee/0x170 [ 5833.672505][ T10] __sys_sendmsg+0xcd/0x170 [ 5833.672505][ T10] do_syscall_64+0xc6/0x1e0 [ 5833.672505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.672505][ T10] [ 5833.674531][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5833.674531][ T10] netdev_get_by_index+0x5e/0x80 [ 5833.674531][ T10] fib6_nh_init+0x3d8/0x1580 [ 5833.674531][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5833.674531][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5833.674531][ T10] ipv6_add_addr+0x411/0x2000 [ 5833.674531][ T10] inet6_addr_add+0x30e/0xa40 [ 5833.674531][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5833.674531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.674531][ T10] netlink_rcv_skb+0x130/0x360 [ 5833.674531][ T10] netlink_unicast+0x449/0x710 [ 5833.674531][ T10] netlink_sendmsg+0x723/0xbe0 [ 5833.674531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5833.674531][ T10] ___sys_sendmsg+0xee/0x170 [ 5833.674531][ T10] __sys_sendmsg+0xcd/0x170 [ 5833.674531][ T10] do_syscall_64+0xc6/0x1e0 [ 5833.674531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.674531][ T10] [ 5833.676555][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5833.676555][ T10] netdev_get_by_index+0x5e/0x80 [ 5833.676555][ T10] fib6_nh_init+0x3d8/0x1580 [ 5833.676555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5833.676555][ T10] ip6_route_add+0x1c/0x140 [ 5833.676555][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5833.676555][ T10] addrconf_add_dev+0xe2/0x170 [ 5833.676555][ T10] inet6_addr_add+0x12f/0xa40 [ 5833.676555][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5833.676555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.676555][ T10] netlink_rcv_skb+0x130/0x360 [ 5833.676555][ T10] netlink_unicast+0x449/0x710 [ 5833.676555][ T10] netlink_sendmsg+0x723/0xbe0 [ 5833.676555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5833.676555][ T10] ___sys_sendmsg+0xee/0x170 [ 5833.676555][ T10] __sys_sendmsg+0xcd/0x170 [ 5833.676555][ T10] do_syscall_64+0xc6/0x1e0 [ 5833.676555][ T10] [ 5833.678545][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5833.678545][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5833.678545][ T10] ipv6_find_idev+0x102/0x170 [ 5833.678545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5833.678545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.678545][ T10] netlink_rcv_skb+0x130/0x360 [ 5833.678545][ T10] netlink_unicast+0x449/0x710 [ 5833.678545][ T10] netlink_sendmsg+0x723/0xbe0 [ 5833.678545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5833.678545][ T10] ___sys_sendmsg+0xee/0x170 [ 5833.678545][ T10] __sys_sendmsg+0xcd/0x170 [ 5833.678545][ T10] do_syscall_64+0xc6/0x1e0 [ 5833.678545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.678545][ T10] [ 5833.680106][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5833.680106][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5833.680106][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5833.680106][ T10] ipv6_find_idev+0x102/0x170 [ 5833.680106][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5833.680106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.680106][ T10] netlink_rcv_skb+0x130/0x360 [ 5833.680106][ T10] netlink_unicast+0x449/0x710 [ 5833.680106][ T10] netlink_sendmsg+0x723/0xbe0 [ 5833.680106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5833.680106][ T10] ___sys_sendmsg+0xee/0x170 [ 5833.680106][ T10] __sys_sendmsg+0xcd/0x170 [ 5833.680106][ T10] do_syscall_64+0xc6/0x1e0 [ 5833.680106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.680106][ T10] [ 5833.681831][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5833.682079][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5833.682079][ T10] netdev_get_by_index+0x5e/0x80 [ 5833.682079][ T10] fib6_nh_init+0x3d8/0x1580 [ 5833.682079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5833.682079][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5833.682079][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5833.682079][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5833.682079][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5833.682079][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5833.682079][ T10] addrconf_dad_begin+0x310/0x670 [ 5833.682079][ T10] addrconf_dad_work+0x10b/0xab0 [ 5833.682079][ T10] process_one_work+0x84d/0x18a0 [ 5833.682079][ T10] worker_thread+0x587/0xd30 [ 5833.682079][ T10] kthread+0x28a/0x350 [ 5833.682079][ T10] ret_from_fork+0x31/0x70 [ 5833.682079][ T10] ret_from_fork_asm+0x1a/0x30 [ 5833.682079][ T10] [ 5833.684025][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5833.684025][ T10] netdev_get_by_index+0x5e/0x80 [ 5833.684025][ T10] fib6_nh_init+0x3d8/0x1580 [ 5833.684025][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5833.684025][ T10] ip6_route_add+0x1c/0x140 [ 5833.684025][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5833.684025][ T10] inet6_addr_add+0x4f8/0xa40 [ 5833.684025][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5833.684025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.684025][ T10] netlink_rcv_skb+0x130/0x360 [ 5833.684025][ T10] netlink_unicast+0x449/0x710 [ 5833.684025][ T10] netlink_sendmsg+0x723/0xbe0 [ 5833.684025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5833.684025][ T10] ___sys_sendmsg+0xee/0x170 [ 5833.684025][ T10] __sys_sendmsg+0xcd/0x170 [ 5833.684025][ T10] do_syscall_64+0xc6/0x1e0 [ 5833.684025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.684025][ T10] [ 5833.686110][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5833.686110][ T10] netdev_get_by_index+0x5e/0x80 [ 5833.686110][ T10] fib6_nh_init+0x3d8/0x1580 [ 5833.686110][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5833.686110][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5833.686110][ T10] ipv6_add_addr+0x411/0x2000 [ 5833.686110][ T10] inet6_addr_add+0x30e/0xa40 [ 5833.686110][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5833.686110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.686110][ T10] netlink_rcv_skb+0x130/0x360 [ 5833.686110][ T10] netlink_unicast+0x449/0x710 [ 5833.686110][ T10] netlink_sendmsg+0x723/0xbe0 [ 5833.686110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5833.686110][ T10] ___sys_sendmsg+0xee/0x170 [ 5833.686110][ T10] __sys_sendmsg+0xcd/0x170 [ 5833.686110][ T10] do_syscall_64+0xc6/0x1e0 [ 5833.686110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.686110][ T10] [ 5833.688346][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5833.688346][ T10] netdev_get_by_index+0x5e/0x80 [ 5833.688346][ T10] fib6_nh_init+0x3d8/0x1580 [ 5833.688346][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5833.688346][ T10] ip6_route_add+0x1c/0x140 [ 5833.688346][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5833.688346][ T10] addrconf_add_dev+0xe2/0x170 [ 5833.688346][ T10] inet6_addr_add+0x12f/0xa40 [ 5833.688346][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5833.688346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.688346][ T10] netlink_rcv_skb+0x130/0x360 [ 5833.688346][ T10] netlink_unicast+0x449/0x710 [ 5833.688346][ T10] netlink_sendmsg+0x723/0xbe0 [ 5833.688346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5833.688346][ T10] ___sys_sendmsg+0xee/0x170 [ 5833.688346][ T10] __sys_sendmsg+0xcd/0x170 [ 5833.688346][ T10] do_syscall_64+0xc6/0x1e0 [ 5833.688346][ T10] [ 5833.690486][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5833.690486][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5833.690486][ T10] ipv6_find_idev+0x102/0x170 [ 5833.690486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5833.690486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.690486][ T10] netlink_rcv_skb+0x130/0x360 [ 5833.690486][ T10] netlink_unicast+0x449/0x710 [ 5833.690486][ T10] netlink_sendmsg+0x723/0xbe0 [ 5833.690486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5833.690486][ T10] ___sys_sendmsg+0xee/0x170 [ 5833.690486][ T10] __sys_sendmsg+0xcd/0x170 [ 5833.690486][ T10] do_syscall_64+0xc6/0x1e0 [ 5833.690486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.690486][ T10] [ 5833.692115][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5833.692115][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5833.692115][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5833.692115][ T10] ipv6_find_idev+0x102/0x170 [ 5833.692115][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5833.692115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.692115][ T10] netlink_rcv_skb+0x130/0x360 [ 5833.692115][ T10] netlink_unicast+0x449/0x710 [ 5833.692115][ T10] netlink_sendmsg+0x723/0xbe0 [ 5833.692115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5833.692115][ T10] ___sys_sendmsg+0xee/0x170 [ 5833.692115][ T10] __sys_sendmsg+0xcd/0x170 [ 5833.692115][ T10] do_syscall_64+0xc6/0x1e0 [ 5833.692115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.692115][ T10] [ 5833.693954][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5833.694635][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5833.694635][ T10] netdev_get_by_index+0x5e/0x80 [ 5833.694635][ T10] fib6_nh_init+0x3d8/0x1580 [ 5833.694635][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5833.694635][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5833.694635][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5833.694635][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5833.694635][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5833.694635][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5833.694635][ T10] addrconf_dad_begin+0x310/0x670 [ 5833.694635][ T10] addrconf_dad_work+0x10b/0xab0 [ 5833.694635][ T10] process_one_work+0x84d/0x18a0 [ 5833.694635][ T10] worker_thread+0x587/0xd30 [ 5833.694635][ T10] kthread+0x28a/0x350 [ 5833.694635][ T10] ret_from_fork+0x31/0x70 [ 5833.694635][ T10] ret_from_fork_asm+0x1a/0x30 [ 5833.694635][ T10] [ 5833.696577][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5833.696577][ T10] netdev_get_by_index+0x5e/0x80 [ 5833.696577][ T10] fib6_nh_init+0x3d8/0x1580 [ 5833.696577][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5833.696577][ T10] ip6_route_add+0x1c/0x140 [ 5833.696577][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5833.696577][ T10] inet6_addr_add+0x4f8/0xa40 [ 5833.696577][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5833.696577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.696577][ T10] netlink_rcv_skb+0x130/0x360 [ 5833.696577][ T10] netlink_unicast+0x449/0x710 [ 5833.696577][ T10] netlink_sendmsg+0x723/0xbe0 [ 5833.696577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5833.696577][ T10] ___sys_sendmsg+0xee/0x170 [ 5833.696577][ T10] __sys_sendmsg+0xcd/0x170 [ 5833.696577][ T10] do_syscall_64+0xc6/0x1e0 [ 5833.696577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.696577][ T10] [ 5833.698651][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5833.698651][ T10] netdev_get_by_index+0x5e/0x80 [ 5833.698651][ T10] fib6_nh_init+0x3d8/0x1580 [ 5833.698651][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5833.698651][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5833.698651][ T10] ipv6_add_addr+0x411/0x2000 [ 5833.698651][ T10] inet6_addr_add+0x30e/0xa40 [ 5833.698651][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5833.698651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.698651][ T10] netlink_rcv_skb+0x130/0x360 [ 5833.698651][ T10] netlink_unicast+0x449/0x710 [ 5833.698651][ T10] netlink_sendmsg+0x723/0xbe0 [ 5833.698651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5833.698651][ T10] ___sys_sendmsg+0xee/0x170 [ 5833.698651][ T10] __sys_sendmsg+0xcd/0x170 [ 5833.698651][ T10] do_syscall_64+0xc6/0x1e0 [ 5833.698651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.698651][ T10] [ 5833.701000][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5833.701000][ T10] netdev_get_by_index+0x5e/0x80 [ 5833.701000][ T10] fib6_nh_init+0x3d8/0x1580 [ 5833.701000][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5833.701000][ T10] ip6_route_add+0x1c/0x140 [ 5833.701000][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5833.701000][ T10] addrconf_add_dev+0xe2/0x170 [ 5833.701000][ T10] inet6_addr_add+0x12f/0xa40 [ 5833.701000][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5833.701000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.701000][ T10] netlink_rcv_skb+0x130/0x360 [ 5833.701000][ T10] netlink_unicast+0x449/0x710 [ 5833.701000][ T10] netlink_sendmsg+0x723/0xbe0 [ 5833.701000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5833.701000][ T10] ___sys_sendmsg+0xee/0x170 [ 5833.701000][ T10] __sys_sendmsg+0xcd/0x170 [ 5833.701000][ T10] do_syscall_64+0xc6/0x1e0 [ 5833.701000][ T10] [ 5833.703178][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5833.703178][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5833.703178][ T10] ipv6_find_idev+0x102/0x170 [ 5833.703178][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5833.703178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.703178][ T10] netlink_rcv_skb+0x130/0x360 [ 5833.703178][ T10] netlink_unicast+0x449/0x710 [ 5833.703178][ T10] netlink_sendmsg+0x723/0xbe0 [ 5833.703178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5833.703178][ T10] ___sys_sendmsg+0xee/0x170 [ 5833.703178][ T10] __sys_sendmsg+0xcd/0x170 [ 5833.703178][ T10] do_syscall_64+0xc6/0x1e0 [ 5833.703178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.703178][ T10] [ 5833.704917][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5833.704917][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5833.704917][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5833.704917][ T10] ipv6_find_idev+0x102/0x170 [ 5833.704917][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5833.704917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5833.704917][ T10] netlink_rcv_skb+0x130/0x360 [ 5833.704917][ T10] netlink_unicast+0x449/0x710 [ 5833.704917][ T10] netlink_sendmsg+0x723/0xbe0 [ 5833.704917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5833.704917][ T10] ___sys_sendmsg+0xee/0x170 [ 5833.704917][ T10] __sys_sendmsg+0xcd/0x170 [ 5833.704917][ T10] do_syscall_64+0xc6/0x1e0 [ 5833.704917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5833.704917][ T10] [ 5834.689036][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5834.689464][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5834.689464][ T1167] dst_init+0x84/0x4a0 [ 5834.689464][ T1167] dst_alloc+0x97/0x150 [ 5834.689464][ T1167] ip6_dst_alloc+0x23/0x90 [ 5834.689464][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5834.689464][ T1167] ip6_pol_route+0x56f/0x840 [ 5834.689464][ T1167] fib6_rule_lookup+0x334/0x630 [ 5834.689464][ T1167] ip6_route_output_flags+0x259/0x480 [ 5834.689464][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5834.689464][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5834.689464][ T1167] netlink_rcv_skb+0x130/0x360 [ 5834.689464][ T1167] netlink_unicast+0x449/0x710 [ 5834.689464][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5834.689464][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5834.689464][ T1167] ___sys_sendmsg+0xee/0x170 [ 5834.689464][ T1167] __sys_sendmsg+0xcd/0x170 [ 5834.689464][ T1167] do_syscall_64+0xc6/0x1e0 [ 5834.689464][ T1167] [ 5834.691699][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5834.691699][ T1167] netdev_get_by_index+0x5e/0x80 [ 5834.691699][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5834.691699][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5834.691699][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5834.691699][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5834.691699][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5834.691699][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5834.691699][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5834.691699][ T1167] addrconf_dad_begin+0x310/0x670 [ 5834.691699][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5834.691699][ T1167] process_one_work+0x84d/0x18a0 [ 5834.691699][ T1167] worker_thread+0x587/0xd30 [ 5834.691699][ T1167] kthread+0x28a/0x350 [ 5834.691699][ T1167] ret_from_fork+0x31/0x70 [ 5834.691699][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5834.691699][ T1167] [ 5834.693887][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5834.693887][ T1167] netdev_get_by_index+0x5e/0x80 [ 5834.693887][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5834.693887][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5834.693887][ T1167] ip6_route_add+0x1c/0x140 [ 5834.693887][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5834.693887][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5834.693887][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5834.693887][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5834.693887][ T1167] netlink_rcv_skb+0x130/0x360 [ 5834.693887][ T1167] netlink_unicast+0x449/0x710 [ 5834.693887][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5834.693887][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5834.693887][ T1167] ___sys_sendmsg+0xee/0x170 [ 5834.693887][ T1167] __sys_sendmsg+0xcd/0x170 [ 5834.693887][ T1167] do_syscall_64+0xc6/0x1e0 [ 5834.693887][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5834.693887][ T1167] [ 5834.696156][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5834.696156][ T1167] netdev_get_by_index+0x5e/0x80 [ 5834.696156][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5834.696156][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5834.696156][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5834.696156][ T1167] ipv6_add_addr+0x411/0x2000 [ 5834.696156][ T1167] inet6_addr_add+0x30e/0xa40 [ 5834.696156][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5834.696156][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5834.696156][ T1167] netlink_rcv_skb+0x130/0x360 [ 5834.696156][ T1167] netlink_unicast+0x449/0x710 [ 5834.696156][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5834.696156][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5834.696156][ T1167] ___sys_sendmsg+0xee/0x170 [ 5834.696156][ T1167] __sys_sendmsg+0xcd/0x170 [ 5834.696156][ T1167] do_syscall_64+0xc6/0x1e0 [ 5834.696156][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5834.696156][ T1167] [ 5834.698445][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5834.698445][ T1167] netdev_get_by_index+0x5e/0x80 [ 5834.698445][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5834.698445][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5834.698445][ T1167] ip6_route_add+0x1c/0x140 [ 5834.698445][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5834.698445][ T1167] addrconf_add_dev+0xe2/0x170 [ 5834.698445][ T1167] inet6_addr_add+0x12f/0xa40 [ 5834.698445][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5834.698445][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5834.698445][ T1167] netlink_rcv_skb+0x130/0x360 [ 5834.698445][ T1167] netlink_unicast+0x449/0x710 [ 5834.698445][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5834.698445][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5834.698445][ T1167] ___sys_sendmsg+0xee/0x170 [ 5834.698445][ T1167] __sys_sendmsg+0xcd/0x170 [ 5834.698445][ T1167] do_syscall_64+0xc6/0x1e0 [ 5834.698445][ T1167] [ 5834.700702][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5834.700702][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5834.700702][ T1167] ipv6_find_idev+0x102/0x170 [ 5834.700702][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5834.700702][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5834.700702][ T1167] netlink_rcv_skb+0x130/0x360 [ 5834.700702][ T1167] netlink_unicast+0x449/0x710 [ 5834.700702][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5834.700702][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5834.700702][ T1167] ___sys_sendmsg+0xee/0x170 [ 5834.700702][ T1167] __sys_sendmsg+0xcd/0x170 [ 5834.700702][ T1167] do_syscall_64+0xc6/0x1e0 [ 5834.700702][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5834.700702][ T1167] [ 5834.703007][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5834.703007][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5834.703007][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5834.703007][ T1167] ipv6_find_idev+0x102/0x170 [ 5834.703007][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5834.703007][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5834.703007][ T1167] netlink_rcv_skb+0x130/0x360 [ 5834.703007][ T1167] netlink_unicast+0x449/0x710 [ 5834.703007][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5834.703007][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5834.703007][ T1167] ___sys_sendmsg+0xee/0x170 [ 5834.703007][ T1167] __sys_sendmsg+0xcd/0x170 [ 5834.703007][ T1167] do_syscall_64+0xc6/0x1e0 [ 5834.703007][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5834.703007][ T1167] [ 5843.945105][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5843.945469][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5843.945469][ T10] netdev_get_by_index+0x5e/0x80 [ 5843.945469][ T10] fib6_nh_init+0x3d8/0x1580 [ 5843.945469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5843.945469][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5843.945469][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5843.945469][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5843.945469][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5843.945469][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5843.945469][ T10] addrconf_dad_begin+0x310/0x670 [ 5843.945469][ T10] addrconf_dad_work+0x10b/0xab0 [ 5843.945469][ T10] process_one_work+0x84d/0x18a0 [ 5843.945469][ T10] worker_thread+0x587/0xd30 [ 5843.945469][ T10] kthread+0x28a/0x350 [ 5843.945469][ T10] ret_from_fork+0x31/0x70 [ 5843.945469][ T10] ret_from_fork_asm+0x1a/0x30 [ 5843.945469][ T10] [ 5843.947452][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5843.947452][ T10] netdev_get_by_index+0x5e/0x80 [ 5843.947452][ T10] fib6_nh_init+0x3d8/0x1580 [ 5843.947452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5843.947452][ T10] ip6_route_add+0x1c/0x140 [ 5843.947452][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5843.947452][ T10] inet6_addr_add+0x4f8/0xa40 [ 5843.947452][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5843.947452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.947452][ T10] netlink_rcv_skb+0x130/0x360 [ 5843.947452][ T10] netlink_unicast+0x449/0x710 [ 5843.947452][ T10] netlink_sendmsg+0x723/0xbe0 [ 5843.947452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5843.947452][ T10] ___sys_sendmsg+0xee/0x170 [ 5843.947452][ T10] __sys_sendmsg+0xcd/0x170 [ 5843.947452][ T10] do_syscall_64+0xc6/0x1e0 [ 5843.947452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.947452][ T10] [ 5843.949479][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5843.949479][ T10] netdev_get_by_index+0x5e/0x80 [ 5843.949479][ T10] fib6_nh_init+0x3d8/0x1580 [ 5843.949479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5843.949479][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5843.949479][ T10] ipv6_add_addr+0x411/0x2000 [ 5843.949479][ T10] inet6_addr_add+0x30e/0xa40 [ 5843.949479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5843.949479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.949479][ T10] netlink_rcv_skb+0x130/0x360 [ 5843.949479][ T10] netlink_unicast+0x449/0x710 [ 5843.949479][ T10] netlink_sendmsg+0x723/0xbe0 [ 5843.949479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5843.949479][ T10] ___sys_sendmsg+0xee/0x170 [ 5843.949479][ T10] __sys_sendmsg+0xcd/0x170 [ 5843.949479][ T10] do_syscall_64+0xc6/0x1e0 [ 5843.949479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.949479][ T10] [ 5843.951522][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5843.951522][ T10] netdev_get_by_index+0x5e/0x80 [ 5843.951522][ T10] fib6_nh_init+0x3d8/0x1580 [ 5843.951522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5843.951522][ T10] ip6_route_add+0x1c/0x140 [ 5843.951522][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5843.951522][ T10] addrconf_add_dev+0xe2/0x170 [ 5843.951522][ T10] inet6_addr_add+0x12f/0xa40 [ 5843.951522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5843.951522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.951522][ T10] netlink_rcv_skb+0x130/0x360 [ 5843.951522][ T10] netlink_unicast+0x449/0x710 [ 5843.951522][ T10] netlink_sendmsg+0x723/0xbe0 [ 5843.951522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5843.951522][ T10] ___sys_sendmsg+0xee/0x170 [ 5843.951522][ T10] __sys_sendmsg+0xcd/0x170 [ 5843.951522][ T10] do_syscall_64+0xc6/0x1e0 [ 5843.951522][ T10] [ 5843.953511][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5843.953511][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5843.953511][ T10] ipv6_find_idev+0x102/0x170 [ 5843.953511][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5843.953511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.953511][ T10] netlink_rcv_skb+0x130/0x360 [ 5843.953511][ T10] netlink_unicast+0x449/0x710 [ 5843.953511][ T10] netlink_sendmsg+0x723/0xbe0 [ 5843.953511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5843.953511][ T10] ___sys_sendmsg+0xee/0x170 [ 5843.953511][ T10] __sys_sendmsg+0xcd/0x170 [ 5843.953511][ T10] do_syscall_64+0xc6/0x1e0 [ 5843.953511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.953511][ T10] [ 5843.955082][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5843.955082][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5843.955082][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5843.955082][ T10] ipv6_find_idev+0x102/0x170 [ 5843.955082][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5843.955082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.955082][ T10] netlink_rcv_skb+0x130/0x360 [ 5843.955082][ T10] netlink_unicast+0x449/0x710 [ 5843.955082][ T10] netlink_sendmsg+0x723/0xbe0 [ 5843.955082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5843.955082][ T10] ___sys_sendmsg+0xee/0x170 [ 5843.955082][ T10] __sys_sendmsg+0xcd/0x170 [ 5843.955082][ T10] do_syscall_64+0xc6/0x1e0 [ 5843.955082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.955082][ T10] [ 5843.956802][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5843.957091][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5843.957091][ T10] netdev_get_by_index+0x5e/0x80 [ 5843.957091][ T10] fib6_nh_init+0x3d8/0x1580 [ 5843.957091][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5843.957091][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5843.957091][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5843.957091][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5843.957091][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5843.957091][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5843.957091][ T10] addrconf_dad_begin+0x310/0x670 [ 5843.957091][ T10] addrconf_dad_work+0x10b/0xab0 [ 5843.957091][ T10] process_one_work+0x84d/0x18a0 [ 5843.957091][ T10] worker_thread+0x587/0xd30 [ 5843.957091][ T10] kthread+0x28a/0x350 [ 5843.957091][ T10] ret_from_fork+0x31/0x70 [ 5843.957091][ T10] ret_from_fork_asm+0x1a/0x30 [ 5843.957091][ T10] [ 5843.959027][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5843.959027][ T10] netdev_get_by_index+0x5e/0x80 [ 5843.959027][ T10] fib6_nh_init+0x3d8/0x1580 [ 5843.959027][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5843.959027][ T10] ip6_route_add+0x1c/0x140 [ 5843.959027][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5843.959027][ T10] inet6_addr_add+0x4f8/0xa40 [ 5843.959027][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5843.959027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.959027][ T10] netlink_rcv_skb+0x130/0x360 [ 5843.959027][ T10] netlink_unicast+0x449/0x710 [ 5843.959027][ T10] netlink_sendmsg+0x723/0xbe0 [ 5843.959027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5843.959027][ T10] ___sys_sendmsg+0xee/0x170 [ 5843.959027][ T10] __sys_sendmsg+0xcd/0x170 [ 5843.959027][ T10] do_syscall_64+0xc6/0x1e0 [ 5843.959027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.959027][ T10] [ 5843.961068][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5843.961068][ T10] netdev_get_by_index+0x5e/0x80 [ 5843.961068][ T10] fib6_nh_init+0x3d8/0x1580 [ 5843.961068][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5843.961068][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5843.961068][ T10] ipv6_add_addr+0x411/0x2000 [ 5843.961068][ T10] inet6_addr_add+0x30e/0xa40 [ 5843.961068][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5843.961068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.961068][ T10] netlink_rcv_skb+0x130/0x360 [ 5843.961068][ T10] netlink_unicast+0x449/0x710 [ 5843.961068][ T10] netlink_sendmsg+0x723/0xbe0 [ 5843.961068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5843.961068][ T10] ___sys_sendmsg+0xee/0x170 [ 5843.961068][ T10] __sys_sendmsg+0xcd/0x170 [ 5843.961068][ T10] do_syscall_64+0xc6/0x1e0 [ 5843.961068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.961068][ T10] [ 5843.963094][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5843.963094][ T10] netdev_get_by_index+0x5e/0x80 [ 5843.963094][ T10] fib6_nh_init+0x3d8/0x1580 [ 5843.963094][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5843.963094][ T10] ip6_route_add+0x1c/0x140 [ 5843.963094][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5843.963094][ T10] addrconf_add_dev+0xe2/0x170 [ 5843.963094][ T10] inet6_addr_add+0x12f/0xa40 [ 5843.963094][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5843.963094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.963094][ T10] netlink_rcv_skb+0x130/0x360 [ 5843.963094][ T10] netlink_unicast+0x449/0x710 [ 5843.963094][ T10] netlink_sendmsg+0x723/0xbe0 [ 5843.963094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5843.963094][ T10] ___sys_sendmsg+0xee/0x170 [ 5843.963094][ T10] __sys_sendmsg+0xcd/0x170 [ 5843.963094][ T10] do_syscall_64+0xc6/0x1e0 [ 5843.963094][ T10] [ 5843.965095][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5843.965095][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5843.965095][ T10] ipv6_find_idev+0x102/0x170 [ 5843.965095][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5843.965095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.965095][ T10] netlink_rcv_skb+0x130/0x360 [ 5843.965095][ T10] netlink_unicast+0x449/0x710 [ 5843.965095][ T10] netlink_sendmsg+0x723/0xbe0 [ 5843.965095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5843.965095][ T10] ___sys_sendmsg+0xee/0x170 [ 5843.965095][ T10] __sys_sendmsg+0xcd/0x170 [ 5843.965095][ T10] do_syscall_64+0xc6/0x1e0 [ 5843.965095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.965095][ T10] [ 5843.966734][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5843.966734][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5843.966734][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5843.966734][ T10] ipv6_find_idev+0x102/0x170 [ 5843.966734][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5843.966734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.966734][ T10] netlink_rcv_skb+0x130/0x360 [ 5843.966734][ T10] netlink_unicast+0x449/0x710 [ 5843.966734][ T10] netlink_sendmsg+0x723/0xbe0 [ 5843.966734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5843.966734][ T10] ___sys_sendmsg+0xee/0x170 [ 5843.966734][ T10] __sys_sendmsg+0xcd/0x170 [ 5843.966734][ T10] do_syscall_64+0xc6/0x1e0 [ 5843.966734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.966734][ T10] [ 5843.968448][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5843.968702][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5843.968702][ T10] netdev_get_by_index+0x5e/0x80 [ 5843.968702][ T10] fib6_nh_init+0x3d8/0x1580 [ 5843.968702][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5843.968702][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5843.968702][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5843.968702][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5843.968702][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5843.968702][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5843.968702][ T10] addrconf_dad_begin+0x310/0x670 [ 5843.968702][ T10] addrconf_dad_work+0x10b/0xab0 [ 5843.968702][ T10] process_one_work+0x84d/0x18a0 [ 5843.968702][ T10] worker_thread+0x587/0xd30 [ 5843.968702][ T10] kthread+0x28a/0x350 [ 5843.968702][ T10] ret_from_fork+0x31/0x70 [ 5843.968702][ T10] ret_from_fork_asm+0x1a/0x30 [ 5843.968702][ T10] [ 5843.970628][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5843.970628][ T10] netdev_get_by_index+0x5e/0x80 [ 5843.970628][ T10] fib6_nh_init+0x3d8/0x1580 [ 5843.970628][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5843.970628][ T10] ip6_route_add+0x1c/0x140 [ 5843.970628][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5843.970628][ T10] inet6_addr_add+0x4f8/0xa40 [ 5843.970628][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5843.970628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.970628][ T10] netlink_rcv_skb+0x130/0x360 [ 5843.970628][ T10] netlink_unicast+0x449/0x710 [ 5843.970628][ T10] netlink_sendmsg+0x723/0xbe0 [ 5843.970628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5843.970628][ T10] ___sys_sendmsg+0xee/0x170 [ 5843.970628][ T10] __sys_sendmsg+0xcd/0x170 [ 5843.970628][ T10] do_syscall_64+0xc6/0x1e0 [ 5843.970628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.970628][ T10] [ 5843.972820][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5843.972820][ T10] netdev_get_by_index+0x5e/0x80 [ 5843.972820][ T10] fib6_nh_init+0x3d8/0x1580 [ 5843.972820][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5843.972820][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5843.972820][ T10] ipv6_add_addr+0x411/0x2000 [ 5843.972820][ T10] inet6_addr_add+0x30e/0xa40 [ 5843.972820][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5843.972820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.972820][ T10] netlink_rcv_skb+0x130/0x360 [ 5843.972820][ T10] netlink_unicast+0x449/0x710 [ 5843.972820][ T10] netlink_sendmsg+0x723/0xbe0 [ 5843.972820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5843.972820][ T10] ___sys_sendmsg+0xee/0x170 [ 5843.972820][ T10] __sys_sendmsg+0xcd/0x170 [ 5843.972820][ T10] do_syscall_64+0xc6/0x1e0 [ 5843.972820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.972820][ T10] [ 5843.975123][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5843.975123][ T10] netdev_get_by_index+0x5e/0x80 [ 5843.975123][ T10] fib6_nh_init+0x3d8/0x1580 [ 5843.975123][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5843.975123][ T10] ip6_route_add+0x1c/0x140 [ 5843.975123][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5843.975123][ T10] addrconf_add_dev+0xe2/0x170 [ 5843.975123][ T10] inet6_addr_add+0x12f/0xa40 [ 5843.975123][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5843.975123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.975123][ T10] netlink_rcv_skb+0x130/0x360 [ 5843.975123][ T10] netlink_unicast+0x449/0x710 [ 5843.975123][ T10] netlink_sendmsg+0x723/0xbe0 [ 5843.975123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5843.975123][ T10] ___sys_sendmsg+0xee/0x170 [ 5843.975123][ T10] __sys_sendmsg+0xcd/0x170 [ 5843.975123][ T10] do_syscall_64+0xc6/0x1e0 [ 5843.975123][ T10] [ 5843.977346][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5843.977346][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5843.977346][ T10] ipv6_find_idev+0x102/0x170 [ 5843.977346][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5843.977346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.977346][ T10] netlink_rcv_skb+0x130/0x360 [ 5843.977346][ T10] netlink_unicast+0x449/0x710 [ 5843.977346][ T10] netlink_sendmsg+0x723/0xbe0 [ 5843.977346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5843.977346][ T10] ___sys_sendmsg+0xee/0x170 [ 5843.977346][ T10] __sys_sendmsg+0xcd/0x170 [ 5843.977346][ T10] do_syscall_64+0xc6/0x1e0 [ 5843.977346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.977346][ T10] [ 5843.979077][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5843.979077][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5843.979077][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5843.979077][ T10] ipv6_find_idev+0x102/0x170 [ 5843.979077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5843.979077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.979077][ T10] netlink_rcv_skb+0x130/0x360 [ 5843.979077][ T10] netlink_unicast+0x449/0x710 [ 5843.979077][ T10] netlink_sendmsg+0x723/0xbe0 [ 5843.979077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5843.979077][ T10] ___sys_sendmsg+0xee/0x170 [ 5843.979077][ T10] __sys_sendmsg+0xcd/0x170 [ 5843.979077][ T10] do_syscall_64+0xc6/0x1e0 [ 5843.979077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.979077][ T10] [ 5843.980975][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5843.981636][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5843.981636][ T10] netdev_get_by_index+0x5e/0x80 [ 5843.981636][ T10] fib6_nh_init+0x3d8/0x1580 [ 5843.981636][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5843.981636][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5843.981636][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5843.981636][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5843.981636][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5843.981636][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5843.981636][ T10] addrconf_dad_begin+0x310/0x670 [ 5843.981636][ T10] addrconf_dad_work+0x10b/0xab0 [ 5843.981636][ T10] process_one_work+0x84d/0x18a0 [ 5843.981636][ T10] worker_thread+0x587/0xd30 [ 5843.981636][ T10] kthread+0x28a/0x350 [ 5843.981636][ T10] ret_from_fork+0x31/0x70 [ 5843.981636][ T10] ret_from_fork_asm+0x1a/0x30 [ 5843.981636][ T10] [ 5843.983555][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5843.983555][ T10] netdev_get_by_index+0x5e/0x80 [ 5843.983555][ T10] fib6_nh_init+0x3d8/0x1580 [ 5843.983555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5843.983555][ T10] ip6_route_add+0x1c/0x140 [ 5843.983555][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5843.983555][ T10] inet6_addr_add+0x4f8/0xa40 [ 5843.983555][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5843.983555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.983555][ T10] netlink_rcv_skb+0x130/0x360 [ 5843.983555][ T10] netlink_unicast+0x449/0x710 [ 5843.983555][ T10] netlink_sendmsg+0x723/0xbe0 [ 5843.983555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5843.983555][ T10] ___sys_sendmsg+0xee/0x170 [ 5843.983555][ T10] __sys_sendmsg+0xcd/0x170 [ 5843.983555][ T10] do_syscall_64+0xc6/0x1e0 [ 5843.983555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.983555][ T10] [ 5843.985677][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5843.985677][ T10] netdev_get_by_index+0x5e/0x80 [ 5843.985677][ T10] fib6_nh_init+0x3d8/0x1580 [ 5843.985677][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5843.985677][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5843.985677][ T10] ipv6_add_addr+0x411/0x2000 [ 5843.985677][ T10] inet6_addr_add+0x30e/0xa40 [ 5843.985677][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5843.985677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.985677][ T10] netlink_rcv_skb+0x130/0x360 [ 5843.985677][ T10] netlink_unicast+0x449/0x710 [ 5843.985677][ T10] netlink_sendmsg+0x723/0xbe0 [ 5843.985677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5843.985677][ T10] ___sys_sendmsg+0xee/0x170 [ 5843.985677][ T10] __sys_sendmsg+0xcd/0x170 [ 5843.985677][ T10] do_syscall_64+0xc6/0x1e0 [ 5843.985677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.985677][ T10] [ 5843.987985][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5843.987985][ T10] netdev_get_by_index+0x5e/0x80 [ 5843.987985][ T10] fib6_nh_init+0x3d8/0x1580 [ 5843.987985][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5843.987985][ T10] ip6_route_add+0x1c/0x140 [ 5843.987985][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5843.987985][ T10] addrconf_add_dev+0xe2/0x170 [ 5843.987985][ T10] inet6_addr_add+0x12f/0xa40 [ 5843.987985][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5843.987985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.987985][ T10] netlink_rcv_skb+0x130/0x360 [ 5843.987985][ T10] netlink_unicast+0x449/0x710 [ 5843.987985][ T10] netlink_sendmsg+0x723/0xbe0 [ 5843.987985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5843.987985][ T10] ___sys_sendmsg+0xee/0x170 [ 5843.987985][ T10] __sys_sendmsg+0xcd/0x170 [ 5843.987985][ T10] do_syscall_64+0xc6/0x1e0 [ 5843.987985][ T10] [ 5843.990152][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5843.990152][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5843.990152][ T10] ipv6_find_idev+0x102/0x170 [ 5843.990152][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5843.990152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.990152][ T10] netlink_rcv_skb+0x130/0x360 [ 5843.990152][ T10] netlink_unicast+0x449/0x710 [ 5843.990152][ T10] netlink_sendmsg+0x723/0xbe0 [ 5843.990152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5843.990152][ T10] ___sys_sendmsg+0xee/0x170 [ 5843.990152][ T10] __sys_sendmsg+0xcd/0x170 [ 5843.990152][ T10] do_syscall_64+0xc6/0x1e0 [ 5843.990152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.990152][ T10] [ 5843.991881][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5843.991881][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5843.991881][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5843.991881][ T10] ipv6_find_idev+0x102/0x170 [ 5843.991881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5843.991881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5843.991881][ T10] netlink_rcv_skb+0x130/0x360 [ 5843.991881][ T10] netlink_unicast+0x449/0x710 [ 5843.991881][ T10] netlink_sendmsg+0x723/0xbe0 [ 5843.991881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5843.991881][ T10] ___sys_sendmsg+0xee/0x170 [ 5843.991881][ T10] __sys_sendmsg+0xcd/0x170 [ 5843.991881][ T10] do_syscall_64+0xc6/0x1e0 [ 5843.991881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5843.991881][ T10] [ 5844.945123][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5844.945576][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5844.945576][ T1167] dst_init+0x84/0x4a0 [ 5844.945576][ T1167] dst_alloc+0x97/0x150 [ 5844.945576][ T1167] ip6_dst_alloc+0x23/0x90 [ 5844.945576][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5844.945576][ T1167] ip6_pol_route+0x56f/0x840 [ 5844.945576][ T1167] fib6_rule_lookup+0x334/0x630 [ 5844.945576][ T1167] ip6_route_output_flags+0x259/0x480 [ 5844.945576][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5844.945576][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5844.945576][ T1167] netlink_rcv_skb+0x130/0x360 [ 5844.945576][ T1167] netlink_unicast+0x449/0x710 [ 5844.945576][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5844.945576][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5844.945576][ T1167] ___sys_sendmsg+0xee/0x170 [ 5844.945576][ T1167] __sys_sendmsg+0xcd/0x170 [ 5844.945576][ T1167] do_syscall_64+0xc6/0x1e0 [ 5844.945576][ T1167] [ 5844.947829][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5844.947829][ T1167] netdev_get_by_index+0x5e/0x80 [ 5844.947829][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5844.947829][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5844.947829][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5844.947829][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5844.947829][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5844.947829][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5844.947829][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5844.947829][ T1167] addrconf_dad_begin+0x310/0x670 [ 5844.947829][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5844.947829][ T1167] process_one_work+0x84d/0x18a0 [ 5844.947829][ T1167] worker_thread+0x587/0xd30 [ 5844.947829][ T1167] kthread+0x28a/0x350 [ 5844.947829][ T1167] ret_from_fork+0x31/0x70 [ 5844.947829][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5844.947829][ T1167] [ 5844.949987][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5844.949987][ T1167] netdev_get_by_index+0x5e/0x80 [ 5844.949987][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5844.949987][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5844.949987][ T1167] ip6_route_add+0x1c/0x140 [ 5844.949987][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5844.949987][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5844.949987][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5844.949987][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5844.949987][ T1167] netlink_rcv_skb+0x130/0x360 [ 5844.949987][ T1167] netlink_unicast+0x449/0x710 [ 5844.949987][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5844.949987][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5844.949987][ T1167] ___sys_sendmsg+0xee/0x170 [ 5844.949987][ T1167] __sys_sendmsg+0xcd/0x170 [ 5844.949987][ T1167] do_syscall_64+0xc6/0x1e0 [ 5844.949987][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5844.949987][ T1167] [ 5844.952266][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5844.952266][ T1167] netdev_get_by_index+0x5e/0x80 [ 5844.952266][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5844.952266][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5844.952266][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5844.952266][ T1167] ipv6_add_addr+0x411/0x2000 [ 5844.952266][ T1167] inet6_addr_add+0x30e/0xa40 [ 5844.952266][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5844.952266][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5844.952266][ T1167] netlink_rcv_skb+0x130/0x360 [ 5844.952266][ T1167] netlink_unicast+0x449/0x710 [ 5844.952266][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5844.952266][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5844.952266][ T1167] ___sys_sendmsg+0xee/0x170 [ 5844.952266][ T1167] __sys_sendmsg+0xcd/0x170 [ 5844.952266][ T1167] do_syscall_64+0xc6/0x1e0 [ 5844.952266][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5844.952266][ T1167] [ 5844.954508][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5844.954508][ T1167] netdev_get_by_index+0x5e/0x80 [ 5844.954508][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5844.954508][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5844.954508][ T1167] ip6_route_add+0x1c/0x140 [ 5844.954508][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5844.954508][ T1167] addrconf_add_dev+0xe2/0x170 [ 5844.954508][ T1167] inet6_addr_add+0x12f/0xa40 [ 5844.954508][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5844.954508][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5844.954508][ T1167] netlink_rcv_skb+0x130/0x360 [ 5844.954508][ T1167] netlink_unicast+0x449/0x710 [ 5844.954508][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5844.954508][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5844.954508][ T1167] ___sys_sendmsg+0xee/0x170 [ 5844.954508][ T1167] __sys_sendmsg+0xcd/0x170 [ 5844.954508][ T1167] do_syscall_64+0xc6/0x1e0 [ 5844.954508][ T1167] [ 5844.956708][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5844.956708][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5844.956708][ T1167] ipv6_find_idev+0x102/0x170 [ 5844.956708][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5844.956708][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5844.956708][ T1167] netlink_rcv_skb+0x130/0x360 [ 5844.956708][ T1167] netlink_unicast+0x449/0x710 [ 5844.956708][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5844.956708][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5844.956708][ T1167] ___sys_sendmsg+0xee/0x170 [ 5844.956708][ T1167] __sys_sendmsg+0xcd/0x170 [ 5844.956708][ T1167] do_syscall_64+0xc6/0x1e0 [ 5844.956708][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5844.956708][ T1167] [ 5844.958419][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5844.958419][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5844.958419][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5844.958419][ T1167] ipv6_find_idev+0x102/0x170 [ 5844.958419][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5844.958419][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5844.958419][ T1167] netlink_rcv_skb+0x130/0x360 [ 5844.958419][ T1167] netlink_unicast+0x449/0x710 [ 5844.958419][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5844.958419][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5844.958419][ T1167] ___sys_sendmsg+0xee/0x170 [ 5844.958419][ T1167] __sys_sendmsg+0xcd/0x170 [ 5844.958419][ T1167] do_syscall_64+0xc6/0x1e0 [ 5844.958419][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5844.958419][ T1167] [ 5854.233103][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5854.233556][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5854.233556][ T10] netdev_get_by_index+0x5e/0x80 [ 5854.233556][ T10] fib6_nh_init+0x3d8/0x1580 [ 5854.233556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5854.233556][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5854.233556][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5854.233556][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5854.233556][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5854.233556][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5854.233556][ T10] addrconf_dad_begin+0x310/0x670 [ 5854.233556][ T10] addrconf_dad_work+0x10b/0xab0 [ 5854.233556][ T10] process_one_work+0x84d/0x18a0 [ 5854.233556][ T10] worker_thread+0x587/0xd30 [ 5854.233556][ T10] kthread+0x28a/0x350 [ 5854.233556][ T10] ret_from_fork+0x31/0x70 [ 5854.233556][ T10] ret_from_fork_asm+0x1a/0x30 [ 5854.233556][ T10] [ 5854.235556][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5854.235556][ T10] netdev_get_by_index+0x5e/0x80 [ 5854.235556][ T10] fib6_nh_init+0x3d8/0x1580 [ 5854.235556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5854.235556][ T10] ip6_route_add+0x1c/0x140 [ 5854.235556][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5854.235556][ T10] inet6_addr_add+0x4f8/0xa40 [ 5854.235556][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5854.235556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.235556][ T10] netlink_rcv_skb+0x130/0x360 [ 5854.235556][ T10] netlink_unicast+0x449/0x710 [ 5854.235556][ T10] netlink_sendmsg+0x723/0xbe0 [ 5854.235556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5854.235556][ T10] ___sys_sendmsg+0xee/0x170 [ 5854.235556][ T10] __sys_sendmsg+0xcd/0x170 [ 5854.235556][ T10] do_syscall_64+0xc6/0x1e0 [ 5854.235556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.235556][ T10] [ 5854.237588][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5854.237588][ T10] netdev_get_by_index+0x5e/0x80 [ 5854.237588][ T10] fib6_nh_init+0x3d8/0x1580 [ 5854.237588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5854.237588][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5854.237588][ T10] ipv6_add_addr+0x411/0x2000 [ 5854.237588][ T10] inet6_addr_add+0x30e/0xa40 [ 5854.237588][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5854.237588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.237588][ T10] netlink_rcv_skb+0x130/0x360 [ 5854.237588][ T10] netlink_unicast+0x449/0x710 [ 5854.237588][ T10] netlink_sendmsg+0x723/0xbe0 [ 5854.237588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5854.237588][ T10] ___sys_sendmsg+0xee/0x170 [ 5854.237588][ T10] __sys_sendmsg+0xcd/0x170 [ 5854.237588][ T10] do_syscall_64+0xc6/0x1e0 [ 5854.237588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.237588][ T10] [ 5854.239616][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5854.239616][ T10] netdev_get_by_index+0x5e/0x80 [ 5854.239616][ T10] fib6_nh_init+0x3d8/0x1580 [ 5854.239616][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5854.239616][ T10] ip6_route_add+0x1c/0x140 [ 5854.239616][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5854.239616][ T10] addrconf_add_dev+0xe2/0x170 [ 5854.239616][ T10] inet6_addr_add+0x12f/0xa40 [ 5854.239616][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5854.239616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.239616][ T10] netlink_rcv_skb+0x130/0x360 [ 5854.239616][ T10] netlink_unicast+0x449/0x710 [ 5854.239616][ T10] netlink_sendmsg+0x723/0xbe0 [ 5854.239616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5854.239616][ T10] ___sys_sendmsg+0xee/0x170 [ 5854.239616][ T10] __sys_sendmsg+0xcd/0x170 [ 5854.239616][ T10] do_syscall_64+0xc6/0x1e0 [ 5854.239616][ T10] [ 5854.241618][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5854.241618][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5854.241618][ T10] ipv6_find_idev+0x102/0x170 [ 5854.241618][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5854.241618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.241618][ T10] netlink_rcv_skb+0x130/0x360 [ 5854.241618][ T10] netlink_unicast+0x449/0x710 [ 5854.241618][ T10] netlink_sendmsg+0x723/0xbe0 [ 5854.241618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5854.241618][ T10] ___sys_sendmsg+0xee/0x170 [ 5854.241618][ T10] __sys_sendmsg+0xcd/0x170 [ 5854.241618][ T10] do_syscall_64+0xc6/0x1e0 [ 5854.241618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.241618][ T10] [ 5854.243172][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5854.243172][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5854.243172][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5854.243172][ T10] ipv6_find_idev+0x102/0x170 [ 5854.243172][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5854.243172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.243172][ T10] netlink_rcv_skb+0x130/0x360 [ 5854.243172][ T10] netlink_unicast+0x449/0x710 [ 5854.243172][ T10] netlink_sendmsg+0x723/0xbe0 [ 5854.243172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5854.243172][ T10] ___sys_sendmsg+0xee/0x170 [ 5854.243172][ T10] __sys_sendmsg+0xcd/0x170 [ 5854.243172][ T10] do_syscall_64+0xc6/0x1e0 [ 5854.243172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.243172][ T10] [ 5854.244916][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5854.245177][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5854.245177][ T10] netdev_get_by_index+0x5e/0x80 [ 5854.245177][ T10] fib6_nh_init+0x3d8/0x1580 [ 5854.245177][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5854.245177][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5854.245177][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5854.245177][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5854.245177][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5854.245177][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5854.245177][ T10] addrconf_dad_begin+0x310/0x670 [ 5854.245177][ T10] addrconf_dad_work+0x10b/0xab0 [ 5854.245177][ T10] process_one_work+0x84d/0x18a0 [ 5854.245177][ T10] worker_thread+0x587/0xd30 [ 5854.245177][ T10] kthread+0x28a/0x350 [ 5854.245177][ T10] ret_from_fork+0x31/0x70 [ 5854.245177][ T10] ret_from_fork_asm+0x1a/0x30 [ 5854.245177][ T10] [ 5854.247102][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5854.247102][ T10] netdev_get_by_index+0x5e/0x80 [ 5854.247102][ T10] fib6_nh_init+0x3d8/0x1580 [ 5854.247102][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5854.247102][ T10] ip6_route_add+0x1c/0x140 [ 5854.247102][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5854.247102][ T10] inet6_addr_add+0x4f8/0xa40 [ 5854.247102][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5854.247102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.247102][ T10] netlink_rcv_skb+0x130/0x360 [ 5854.247102][ T10] netlink_unicast+0x449/0x710 [ 5854.247102][ T10] netlink_sendmsg+0x723/0xbe0 [ 5854.247102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5854.247102][ T10] ___sys_sendmsg+0xee/0x170 [ 5854.247102][ T10] __sys_sendmsg+0xcd/0x170 [ 5854.247102][ T10] do_syscall_64+0xc6/0x1e0 [ 5854.247102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.247102][ T10] [ 5854.249119][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5854.249119][ T10] netdev_get_by_index+0x5e/0x80 [ 5854.249119][ T10] fib6_nh_init+0x3d8/0x1580 [ 5854.249119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5854.249119][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5854.249119][ T10] ipv6_add_addr+0x411/0x2000 [ 5854.249119][ T10] inet6_addr_add+0x30e/0xa40 [ 5854.249119][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5854.249119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.249119][ T10] netlink_rcv_skb+0x130/0x360 [ 5854.249119][ T10] netlink_unicast+0x449/0x710 [ 5854.249119][ T10] netlink_sendmsg+0x723/0xbe0 [ 5854.249119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5854.249119][ T10] ___sys_sendmsg+0xee/0x170 [ 5854.249119][ T10] __sys_sendmsg+0xcd/0x170 [ 5854.249119][ T10] do_syscall_64+0xc6/0x1e0 [ 5854.249119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.249119][ T10] [ 5854.251139][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5854.251139][ T10] netdev_get_by_index+0x5e/0x80 [ 5854.251139][ T10] fib6_nh_init+0x3d8/0x1580 [ 5854.251139][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5854.251139][ T10] ip6_route_add+0x1c/0x140 [ 5854.251139][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5854.251139][ T10] addrconf_add_dev+0xe2/0x170 [ 5854.251139][ T10] inet6_addr_add+0x12f/0xa40 [ 5854.251139][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5854.251139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.251139][ T10] netlink_rcv_skb+0x130/0x360 [ 5854.251139][ T10] netlink_unicast+0x449/0x710 [ 5854.251139][ T10] netlink_sendmsg+0x723/0xbe0 [ 5854.251139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5854.251139][ T10] ___sys_sendmsg+0xee/0x170 [ 5854.251139][ T10] __sys_sendmsg+0xcd/0x170 [ 5854.251139][ T10] do_syscall_64+0xc6/0x1e0 [ 5854.251139][ T10] [ 5854.253116][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5854.253116][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5854.253116][ T10] ipv6_find_idev+0x102/0x170 [ 5854.253116][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5854.253116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.253116][ T10] netlink_rcv_skb+0x130/0x360 [ 5854.253116][ T10] netlink_unicast+0x449/0x710 [ 5854.253116][ T10] netlink_sendmsg+0x723/0xbe0 [ 5854.253116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5854.253116][ T10] ___sys_sendmsg+0xee/0x170 [ 5854.253116][ T10] __sys_sendmsg+0xcd/0x170 [ 5854.253116][ T10] do_syscall_64+0xc6/0x1e0 [ 5854.253116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.253116][ T10] [ 5854.254679][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5854.254679][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5854.254679][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5854.254679][ T10] ipv6_find_idev+0x102/0x170 [ 5854.254679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5854.254679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.254679][ T10] netlink_rcv_skb+0x130/0x360 [ 5854.254679][ T10] netlink_unicast+0x449/0x710 [ 5854.254679][ T10] netlink_sendmsg+0x723/0xbe0 [ 5854.254679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5854.254679][ T10] ___sys_sendmsg+0xee/0x170 [ 5854.254679][ T10] __sys_sendmsg+0xcd/0x170 [ 5854.254679][ T10] do_syscall_64+0xc6/0x1e0 [ 5854.254679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.254679][ T10] [ 5854.256395][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5854.256641][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5854.256641][ T10] netdev_get_by_index+0x5e/0x80 [ 5854.256641][ T10] fib6_nh_init+0x3d8/0x1580 [ 5854.256641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5854.256641][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5854.256641][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5854.256641][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5854.256641][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5854.256641][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5854.256641][ T10] addrconf_dad_begin+0x310/0x670 [ 5854.256641][ T10] addrconf_dad_work+0x10b/0xab0 [ 5854.256641][ T10] process_one_work+0x84d/0x18a0 [ 5854.256641][ T10] worker_thread+0x587/0xd30 [ 5854.256641][ T10] kthread+0x28a/0x350 [ 5854.256641][ T10] ret_from_fork+0x31/0x70 [ 5854.256641][ T10] ret_from_fork_asm+0x1a/0x30 [ 5854.256641][ T10] [ 5854.258562][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5854.258562][ T10] netdev_get_by_index+0x5e/0x80 [ 5854.258562][ T10] fib6_nh_init+0x3d8/0x1580 [ 5854.258562][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5854.258562][ T10] ip6_route_add+0x1c/0x140 [ 5854.258562][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5854.258562][ T10] inet6_addr_add+0x4f8/0xa40 [ 5854.258562][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5854.258562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.258562][ T10] netlink_rcv_skb+0x130/0x360 [ 5854.258562][ T10] netlink_unicast+0x449/0x710 [ 5854.258562][ T10] netlink_sendmsg+0x723/0xbe0 [ 5854.258562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5854.258562][ T10] ___sys_sendmsg+0xee/0x170 [ 5854.258562][ T10] __sys_sendmsg+0xcd/0x170 [ 5854.258562][ T10] do_syscall_64+0xc6/0x1e0 [ 5854.258562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.258562][ T10] [ 5854.260741][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5854.260741][ T10] netdev_get_by_index+0x5e/0x80 [ 5854.260741][ T10] fib6_nh_init+0x3d8/0x1580 [ 5854.260741][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5854.260741][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5854.260741][ T10] ipv6_add_addr+0x411/0x2000 [ 5854.260741][ T10] inet6_addr_add+0x30e/0xa40 [ 5854.260741][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5854.260741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.260741][ T10] netlink_rcv_skb+0x130/0x360 [ 5854.260741][ T10] netlink_unicast+0x449/0x710 [ 5854.260741][ T10] netlink_sendmsg+0x723/0xbe0 [ 5854.260741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5854.260741][ T10] ___sys_sendmsg+0xee/0x170 [ 5854.260741][ T10] __sys_sendmsg+0xcd/0x170 [ 5854.260741][ T10] do_syscall_64+0xc6/0x1e0 [ 5854.260741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.260741][ T10] [ 5854.262919][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5854.262919][ T10] netdev_get_by_index+0x5e/0x80 [ 5854.262919][ T10] fib6_nh_init+0x3d8/0x1580 [ 5854.262919][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5854.262919][ T10] ip6_route_add+0x1c/0x140 [ 5854.262919][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5854.262919][ T10] addrconf_add_dev+0xe2/0x170 [ 5854.262919][ T10] inet6_addr_add+0x12f/0xa40 [ 5854.262919][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5854.262919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.262919][ T10] netlink_rcv_skb+0x130/0x360 [ 5854.262919][ T10] netlink_unicast+0x449/0x710 [ 5854.262919][ T10] netlink_sendmsg+0x723/0xbe0 [ 5854.262919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5854.262919][ T10] ___sys_sendmsg+0xee/0x170 [ 5854.262919][ T10] __sys_sendmsg+0xcd/0x170 [ 5854.262919][ T10] do_syscall_64+0xc6/0x1e0 [ 5854.262919][ T10] [ 5854.265079][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5854.265079][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5854.265079][ T10] ipv6_find_idev+0x102/0x170 [ 5854.265079][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5854.265079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.265079][ T10] netlink_rcv_skb+0x130/0x360 [ 5854.265079][ T10] netlink_unicast+0x449/0x710 [ 5854.265079][ T10] netlink_sendmsg+0x723/0xbe0 [ 5854.265079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5854.265079][ T10] ___sys_sendmsg+0xee/0x170 [ 5854.265079][ T10] __sys_sendmsg+0xcd/0x170 [ 5854.265079][ T10] do_syscall_64+0xc6/0x1e0 [ 5854.265079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.265079][ T10] [ 5854.266795][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5854.266795][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5854.266795][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5854.266795][ T10] ipv6_find_idev+0x102/0x170 [ 5854.266795][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5854.266795][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.266795][ T10] netlink_rcv_skb+0x130/0x360 [ 5854.266795][ T10] netlink_unicast+0x449/0x710 [ 5854.266795][ T10] netlink_sendmsg+0x723/0xbe0 [ 5854.266795][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5854.266795][ T10] ___sys_sendmsg+0xee/0x170 [ 5854.266795][ T10] __sys_sendmsg+0xcd/0x170 [ 5854.266795][ T10] do_syscall_64+0xc6/0x1e0 [ 5854.266795][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.266795][ T10] [ 5854.268582][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5854.268820][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5854.268820][ T10] netdev_get_by_index+0x5e/0x80 [ 5854.268820][ T10] fib6_nh_init+0x3d8/0x1580 [ 5854.268820][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5854.268820][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5854.268820][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5854.268820][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5854.268820][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5854.268820][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5854.268820][ T10] addrconf_dad_begin+0x310/0x670 [ 5854.268820][ T10] addrconf_dad_work+0x10b/0xab0 [ 5854.268820][ T10] process_one_work+0x84d/0x18a0 [ 5854.268820][ T10] worker_thread+0x587/0xd30 [ 5854.268820][ T10] kthread+0x28a/0x350 [ 5854.268820][ T10] ret_from_fork+0x31/0x70 [ 5854.268820][ T10] ret_from_fork_asm+0x1a/0x30 [ 5854.268820][ T10] [ 5854.271017][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5854.271017][ T10] netdev_get_by_index+0x5e/0x80 [ 5854.271017][ T10] fib6_nh_init+0x3d8/0x1580 [ 5854.271017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5854.271017][ T10] ip6_route_add+0x1c/0x140 [ 5854.271017][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5854.271017][ T10] inet6_addr_add+0x4f8/0xa40 [ 5854.271017][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5854.271017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.271017][ T10] netlink_rcv_skb+0x130/0x360 [ 5854.271017][ T10] netlink_unicast+0x449/0x710 [ 5854.271017][ T10] netlink_sendmsg+0x723/0xbe0 [ 5854.271017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5854.271017][ T10] ___sys_sendmsg+0xee/0x170 [ 5854.271017][ T10] __sys_sendmsg+0xcd/0x170 [ 5854.271017][ T10] do_syscall_64+0xc6/0x1e0 [ 5854.271017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.271017][ T10] [ 5854.273740][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5854.273740][ T10] netdev_get_by_index+0x5e/0x80 [ 5854.273740][ T10] fib6_nh_init+0x3d8/0x1580 [ 5854.273740][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5854.273740][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5854.273740][ T10] ipv6_add_addr+0x411/0x2000 [ 5854.273740][ T10] inet6_addr_add+0x30e/0xa40 [ 5854.273740][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5854.273740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.273740][ T10] netlink_rcv_skb+0x130/0x360 [ 5854.273740][ T10] netlink_unicast+0x449/0x710 [ 5854.273740][ T10] netlink_sendmsg+0x723/0xbe0 [ 5854.273740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5854.273740][ T10] ___sys_sendmsg+0xee/0x170 [ 5854.273740][ T10] __sys_sendmsg+0xcd/0x170 [ 5854.273740][ T10] do_syscall_64+0xc6/0x1e0 [ 5854.273740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.273740][ T10] [ 5854.275946][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5854.275946][ T10] netdev_get_by_index+0x5e/0x80 [ 5854.275946][ T10] fib6_nh_init+0x3d8/0x1580 [ 5854.275946][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5854.275946][ T10] ip6_route_add+0x1c/0x140 [ 5854.275946][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5854.275946][ T10] addrconf_add_dev+0xe2/0x170 [ 5854.275946][ T10] inet6_addr_add+0x12f/0xa40 [ 5854.275946][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5854.275946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.275946][ T10] netlink_rcv_skb+0x130/0x360 [ 5854.275946][ T10] netlink_unicast+0x449/0x710 [ 5854.275946][ T10] netlink_sendmsg+0x723/0xbe0 [ 5854.275946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5854.275946][ T10] ___sys_sendmsg+0xee/0x170 [ 5854.275946][ T10] __sys_sendmsg+0xcd/0x170 [ 5854.275946][ T10] do_syscall_64+0xc6/0x1e0 [ 5854.275946][ T10] [ 5854.278109][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5854.278109][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5854.278109][ T10] ipv6_find_idev+0x102/0x170 [ 5854.278109][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5854.278109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.278109][ T10] netlink_rcv_skb+0x130/0x360 [ 5854.278109][ T10] netlink_unicast+0x449/0x710 [ 5854.278109][ T10] netlink_sendmsg+0x723/0xbe0 [ 5854.278109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5854.278109][ T10] ___sys_sendmsg+0xee/0x170 [ 5854.278109][ T10] __sys_sendmsg+0xcd/0x170 [ 5854.278109][ T10] do_syscall_64+0xc6/0x1e0 [ 5854.278109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.278109][ T10] [ 5854.279763][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5854.279763][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5854.279763][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5854.279763][ T10] ipv6_find_idev+0x102/0x170 [ 5854.279763][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5854.279763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.279763][ T10] netlink_rcv_skb+0x130/0x360 [ 5854.279763][ T10] netlink_unicast+0x449/0x710 [ 5854.279763][ T10] netlink_sendmsg+0x723/0xbe0 [ 5854.279763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5854.279763][ T10] ___sys_sendmsg+0xee/0x170 [ 5854.279763][ T10] __sys_sendmsg+0xcd/0x170 [ 5854.279763][ T10] do_syscall_64+0xc6/0x1e0 [ 5854.279763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.279763][ T10] [ 5855.201093][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5855.201560][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5855.201560][ T1167] dst_init+0x84/0x4a0 [ 5855.201560][ T1167] dst_alloc+0x97/0x150 [ 5855.201560][ T1167] ip6_dst_alloc+0x23/0x90 [ 5855.201560][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5855.201560][ T1167] ip6_pol_route+0x56f/0x840 [ 5855.201560][ T1167] fib6_rule_lookup+0x334/0x630 [ 5855.201560][ T1167] ip6_route_output_flags+0x259/0x480 [ 5855.201560][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5855.201560][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5855.201560][ T1167] netlink_rcv_skb+0x130/0x360 [ 5855.201560][ T1167] netlink_unicast+0x449/0x710 [ 5855.201560][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5855.201560][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5855.201560][ T1167] ___sys_sendmsg+0xee/0x170 [ 5855.201560][ T1167] __sys_sendmsg+0xcd/0x170 [ 5855.201560][ T1167] do_syscall_64+0xc6/0x1e0 [ 5855.201560][ T1167] [ 5855.204067][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5855.204067][ T1167] netdev_get_by_index+0x5e/0x80 [ 5855.204067][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5855.204067][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5855.204067][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5855.204067][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5855.204067][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5855.204067][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5855.204067][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5855.204067][ T1167] addrconf_dad_begin+0x310/0x670 [ 5855.204067][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5855.204067][ T1167] process_one_work+0x84d/0x18a0 [ 5855.204067][ T1167] worker_thread+0x587/0xd30 [ 5855.204067][ T1167] kthread+0x28a/0x350 [ 5855.204067][ T1167] ret_from_fork+0x31/0x70 [ 5855.204067][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5855.204067][ T1167] [ 5855.206468][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5855.206468][ T1167] netdev_get_by_index+0x5e/0x80 [ 5855.206468][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5855.206468][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5855.206468][ T1167] ip6_route_add+0x1c/0x140 [ 5855.206468][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5855.206468][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5855.206468][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5855.206468][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5855.206468][ T1167] netlink_rcv_skb+0x130/0x360 [ 5855.206468][ T1167] netlink_unicast+0x449/0x710 [ 5855.206468][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5855.206468][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5855.206468][ T1167] ___sys_sendmsg+0xee/0x170 [ 5855.206468][ T1167] __sys_sendmsg+0xcd/0x170 [ 5855.206468][ T1167] do_syscall_64+0xc6/0x1e0 [ 5855.206468][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5855.206468][ T1167] [ 5855.208985][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5855.208985][ T1167] netdev_get_by_index+0x5e/0x80 [ 5855.208985][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5855.208985][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5855.208985][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5855.208985][ T1167] ipv6_add_addr+0x411/0x2000 [ 5855.208985][ T1167] inet6_addr_add+0x30e/0xa40 [ 5855.208985][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5855.208985][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5855.208985][ T1167] netlink_rcv_skb+0x130/0x360 [ 5855.208985][ T1167] netlink_unicast+0x449/0x710 [ 5855.208985][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5855.208985][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5855.208985][ T1167] ___sys_sendmsg+0xee/0x170 [ 5855.208985][ T1167] __sys_sendmsg+0xcd/0x170 [ 5855.208985][ T1167] do_syscall_64+0xc6/0x1e0 [ 5855.208985][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5855.208985][ T1167] [ 5855.229375][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5855.229375][ T1167] netdev_get_by_index+0x5e/0x80 [ 5855.229375][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5855.229375][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5855.229375][ T1167] ip6_route_add+0x1c/0x140 [ 5855.229375][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5855.229375][ T1167] addrconf_add_dev+0xe2/0x170 [ 5855.229375][ T1167] inet6_addr_add+0x12f/0xa40 [ 5855.229375][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5855.229375][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5855.229375][ T1167] netlink_rcv_skb+0x130/0x360 [ 5855.229375][ T1167] netlink_unicast+0x449/0x710 [ 5855.229375][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5855.229375][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5855.229375][ T1167] ___sys_sendmsg+0xee/0x170 [ 5855.229375][ T1167] __sys_sendmsg+0xcd/0x170 [ 5855.229375][ T1167] do_syscall_64+0xc6/0x1e0 [ 5855.229375][ T1167] [ 5855.231844][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5855.231844][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5855.231844][ T1167] ipv6_find_idev+0x102/0x170 [ 5855.231844][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5855.231844][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5855.231844][ T1167] netlink_rcv_skb+0x130/0x360 [ 5855.231844][ T1167] netlink_unicast+0x449/0x710 [ 5855.231844][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5855.231844][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5855.231844][ T1167] ___sys_sendmsg+0xee/0x170 [ 5855.231844][ T1167] __sys_sendmsg+0xcd/0x170 [ 5855.231844][ T1167] do_syscall_64+0xc6/0x1e0 [ 5855.231844][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5855.231844][ T1167] [ 5855.233762][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5855.233762][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5855.233762][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5855.233762][ T1167] ipv6_find_idev+0x102/0x170 [ 5855.233762][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5855.233762][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5855.233762][ T1167] netlink_rcv_skb+0x130/0x360 [ 5855.233762][ T1167] netlink_unicast+0x449/0x710 [ 5855.233762][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5855.233762][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5855.233762][ T1167] ___sys_sendmsg+0xee/0x170 [ 5855.233762][ T1167] __sys_sendmsg+0xcd/0x170 [ 5855.233762][ T1167] do_syscall_64+0xc6/0x1e0 [ 5855.233762][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5855.233762][ T1167] [ 5864.521045][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5864.521499][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5864.521499][ T10] netdev_get_by_index+0x5e/0x80 [ 5864.521499][ T10] fib6_nh_init+0x3d8/0x1580 [ 5864.521499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5864.521499][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5864.521499][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5864.521499][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5864.521499][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5864.521499][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5864.521499][ T10] addrconf_dad_begin+0x310/0x670 [ 5864.521499][ T10] addrconf_dad_work+0x10b/0xab0 [ 5864.521499][ T10] process_one_work+0x84d/0x18a0 [ 5864.521499][ T10] worker_thread+0x587/0xd30 [ 5864.521499][ T10] kthread+0x28a/0x350 [ 5864.521499][ T10] ret_from_fork+0x31/0x70 [ 5864.521499][ T10] ret_from_fork_asm+0x1a/0x30 [ 5864.521499][ T10] [ 5864.523727][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5864.523727][ T10] netdev_get_by_index+0x5e/0x80 [ 5864.523727][ T10] fib6_nh_init+0x3d8/0x1580 [ 5864.523727][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5864.523727][ T10] ip6_route_add+0x1c/0x140 [ 5864.523727][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5864.523727][ T10] inet6_addr_add+0x4f8/0xa40 [ 5864.523727][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5864.523727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.523727][ T10] netlink_rcv_skb+0x130/0x360 [ 5864.523727][ T10] netlink_unicast+0x449/0x710 [ 5864.523727][ T10] netlink_sendmsg+0x723/0xbe0 [ 5864.523727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5864.523727][ T10] ___sys_sendmsg+0xee/0x170 [ 5864.523727][ T10] __sys_sendmsg+0xcd/0x170 [ 5864.523727][ T10] do_syscall_64+0xc6/0x1e0 [ 5864.523727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.523727][ T10] [ 5864.525993][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5864.525993][ T10] netdev_get_by_index+0x5e/0x80 [ 5864.525993][ T10] fib6_nh_init+0x3d8/0x1580 [ 5864.525993][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5864.525993][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5864.525993][ T10] ipv6_add_addr+0x411/0x2000 [ 5864.525993][ T10] inet6_addr_add+0x30e/0xa40 [ 5864.525993][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5864.525993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.525993][ T10] netlink_rcv_skb+0x130/0x360 [ 5864.525993][ T10] netlink_unicast+0x449/0x710 [ 5864.525993][ T10] netlink_sendmsg+0x723/0xbe0 [ 5864.525993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5864.525993][ T10] ___sys_sendmsg+0xee/0x170 [ 5864.525993][ T10] __sys_sendmsg+0xcd/0x170 [ 5864.525993][ T10] do_syscall_64+0xc6/0x1e0 [ 5864.525993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.525993][ T10] [ 5864.528251][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5864.528251][ T10] netdev_get_by_index+0x5e/0x80 [ 5864.528251][ T10] fib6_nh_init+0x3d8/0x1580 [ 5864.528251][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5864.528251][ T10] ip6_route_add+0x1c/0x140 [ 5864.528251][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5864.528251][ T10] addrconf_add_dev+0xe2/0x170 [ 5864.528251][ T10] inet6_addr_add+0x12f/0xa40 [ 5864.528251][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5864.528251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.528251][ T10] netlink_rcv_skb+0x130/0x360 [ 5864.528251][ T10] netlink_unicast+0x449/0x710 [ 5864.528251][ T10] netlink_sendmsg+0x723/0xbe0 [ 5864.528251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5864.528251][ T10] ___sys_sendmsg+0xee/0x170 [ 5864.528251][ T10] __sys_sendmsg+0xcd/0x170 [ 5864.528251][ T10] do_syscall_64+0xc6/0x1e0 [ 5864.528251][ T10] [ 5864.530475][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5864.530475][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5864.530475][ T10] ipv6_find_idev+0x102/0x170 [ 5864.530475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5864.530475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.530475][ T10] netlink_rcv_skb+0x130/0x360 [ 5864.530475][ T10] netlink_unicast+0x449/0x710 [ 5864.530475][ T10] netlink_sendmsg+0x723/0xbe0 [ 5864.530475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5864.530475][ T10] ___sys_sendmsg+0xee/0x170 [ 5864.530475][ T10] __sys_sendmsg+0xcd/0x170 [ 5864.530475][ T10] do_syscall_64+0xc6/0x1e0 [ 5864.530475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.530475][ T10] [ 5864.532205][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5864.532205][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5864.532205][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5864.532205][ T10] ipv6_find_idev+0x102/0x170 [ 5864.532205][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5864.532205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.532205][ T10] netlink_rcv_skb+0x130/0x360 [ 5864.532205][ T10] netlink_unicast+0x449/0x710 [ 5864.532205][ T10] netlink_sendmsg+0x723/0xbe0 [ 5864.532205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5864.532205][ T10] ___sys_sendmsg+0xee/0x170 [ 5864.532205][ T10] __sys_sendmsg+0xcd/0x170 [ 5864.532205][ T10] do_syscall_64+0xc6/0x1e0 [ 5864.532205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.532205][ T10] [ 5864.534105][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5864.534378][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5864.534378][ T10] netdev_get_by_index+0x5e/0x80 [ 5864.534378][ T10] fib6_nh_init+0x3d8/0x1580 [ 5864.534378][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5864.534378][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5864.534378][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5864.534378][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5864.534378][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5864.534378][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5864.534378][ T10] addrconf_dad_begin+0x310/0x670 [ 5864.534378][ T10] addrconf_dad_work+0x10b/0xab0 [ 5864.534378][ T10] process_one_work+0x84d/0x18a0 [ 5864.534378][ T10] worker_thread+0x587/0xd30 [ 5864.534378][ T10] kthread+0x28a/0x350 [ 5864.534378][ T10] ret_from_fork+0x31/0x70 [ 5864.534378][ T10] ret_from_fork_asm+0x1a/0x30 [ 5864.534378][ T10] [ 5864.536526][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5864.536526][ T10] netdev_get_by_index+0x5e/0x80 [ 5864.536526][ T10] fib6_nh_init+0x3d8/0x1580 [ 5864.536526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5864.536526][ T10] ip6_route_add+0x1c/0x140 [ 5864.536526][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5864.536526][ T10] inet6_addr_add+0x4f8/0xa40 [ 5864.536526][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5864.536526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.536526][ T10] netlink_rcv_skb+0x130/0x360 [ 5864.536526][ T10] netlink_unicast+0x449/0x710 [ 5864.536526][ T10] netlink_sendmsg+0x723/0xbe0 [ 5864.536526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5864.536526][ T10] ___sys_sendmsg+0xee/0x170 [ 5864.536526][ T10] __sys_sendmsg+0xcd/0x170 [ 5864.536526][ T10] do_syscall_64+0xc6/0x1e0 [ 5864.536526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.536526][ T10] [ 5864.538761][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5864.538761][ T10] netdev_get_by_index+0x5e/0x80 [ 5864.538761][ T10] fib6_nh_init+0x3d8/0x1580 [ 5864.538761][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5864.538761][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5864.538761][ T10] ipv6_add_addr+0x411/0x2000 [ 5864.538761][ T10] inet6_addr_add+0x30e/0xa40 [ 5864.538761][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5864.538761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.538761][ T10] netlink_rcv_skb+0x130/0x360 [ 5864.538761][ T10] netlink_unicast+0x449/0x710 [ 5864.538761][ T10] netlink_sendmsg+0x723/0xbe0 [ 5864.538761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5864.538761][ T10] ___sys_sendmsg+0xee/0x170 [ 5864.538761][ T10] __sys_sendmsg+0xcd/0x170 [ 5864.538761][ T10] do_syscall_64+0xc6/0x1e0 [ 5864.538761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.538761][ T10] [ 5864.541008][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5864.541008][ T10] netdev_get_by_index+0x5e/0x80 [ 5864.541008][ T10] fib6_nh_init+0x3d8/0x1580 [ 5864.541008][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5864.541008][ T10] ip6_route_add+0x1c/0x140 [ 5864.541008][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5864.541008][ T10] addrconf_add_dev+0xe2/0x170 [ 5864.541008][ T10] inet6_addr_add+0x12f/0xa40 [ 5864.541008][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5864.541008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.541008][ T10] netlink_rcv_skb+0x130/0x360 [ 5864.541008][ T10] netlink_unicast+0x449/0x710 [ 5864.541008][ T10] netlink_sendmsg+0x723/0xbe0 [ 5864.541008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5864.541008][ T10] ___sys_sendmsg+0xee/0x170 [ 5864.541008][ T10] __sys_sendmsg+0xcd/0x170 [ 5864.541008][ T10] do_syscall_64+0xc6/0x1e0 [ 5864.541008][ T10] [ 5864.543195][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5864.543195][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5864.543195][ T10] ipv6_find_idev+0x102/0x170 [ 5864.543195][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5864.543195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.543195][ T10] netlink_rcv_skb+0x130/0x360 [ 5864.543195][ T10] netlink_unicast+0x449/0x710 [ 5864.543195][ T10] netlink_sendmsg+0x723/0xbe0 [ 5864.543195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5864.543195][ T10] ___sys_sendmsg+0xee/0x170 [ 5864.543195][ T10] __sys_sendmsg+0xcd/0x170 [ 5864.543195][ T10] do_syscall_64+0xc6/0x1e0 [ 5864.543195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.543195][ T10] [ 5864.544901][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5864.544901][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5864.544901][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5864.544901][ T10] ipv6_find_idev+0x102/0x170 [ 5864.544901][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5864.544901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.544901][ T10] netlink_rcv_skb+0x130/0x360 [ 5864.544901][ T10] netlink_unicast+0x449/0x710 [ 5864.544901][ T10] netlink_sendmsg+0x723/0xbe0 [ 5864.544901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5864.544901][ T10] ___sys_sendmsg+0xee/0x170 [ 5864.544901][ T10] __sys_sendmsg+0xcd/0x170 [ 5864.544901][ T10] do_syscall_64+0xc6/0x1e0 [ 5864.544901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.544901][ T10] [ 5864.546800][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5864.547079][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5864.547079][ T10] netdev_get_by_index+0x5e/0x80 [ 5864.547079][ T10] fib6_nh_init+0x3d8/0x1580 [ 5864.547079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5864.547079][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5864.547079][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5864.547079][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5864.547079][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5864.547079][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5864.547079][ T10] addrconf_dad_begin+0x310/0x670 [ 5864.547079][ T10] addrconf_dad_work+0x10b/0xab0 [ 5864.547079][ T10] process_one_work+0x84d/0x18a0 [ 5864.547079][ T10] worker_thread+0x587/0xd30 [ 5864.547079][ T10] kthread+0x28a/0x350 [ 5864.547079][ T10] ret_from_fork+0x31/0x70 [ 5864.547079][ T10] ret_from_fork_asm+0x1a/0x30 [ 5864.547079][ T10] [ 5864.549222][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5864.549222][ T10] netdev_get_by_index+0x5e/0x80 [ 5864.549222][ T10] fib6_nh_init+0x3d8/0x1580 [ 5864.549222][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5864.549222][ T10] ip6_route_add+0x1c/0x140 [ 5864.549222][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5864.549222][ T10] inet6_addr_add+0x4f8/0xa40 [ 5864.549222][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5864.549222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.549222][ T10] netlink_rcv_skb+0x130/0x360 [ 5864.549222][ T10] netlink_unicast+0x449/0x710 [ 5864.549222][ T10] netlink_sendmsg+0x723/0xbe0 [ 5864.549222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5864.549222][ T10] ___sys_sendmsg+0xee/0x170 [ 5864.549222][ T10] __sys_sendmsg+0xcd/0x170 [ 5864.549222][ T10] do_syscall_64+0xc6/0x1e0 [ 5864.549222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.549222][ T10] [ 5864.551718][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5864.551718][ T10] netdev_get_by_index+0x5e/0x80 [ 5864.551718][ T10] fib6_nh_init+0x3d8/0x1580 [ 5864.551718][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5864.551718][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5864.551718][ T10] ipv6_add_addr+0x411/0x2000 [ 5864.551718][ T10] inet6_addr_add+0x30e/0xa40 [ 5864.551718][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5864.551718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.551718][ T10] netlink_rcv_skb+0x130/0x360 [ 5864.551718][ T10] netlink_unicast+0x449/0x710 [ 5864.551718][ T10] netlink_sendmsg+0x723/0xbe0 [ 5864.551718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5864.551718][ T10] ___sys_sendmsg+0xee/0x170 [ 5864.551718][ T10] __sys_sendmsg+0xcd/0x170 [ 5864.551718][ T10] do_syscall_64+0xc6/0x1e0 [ 5864.551718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.551718][ T10] [ 5864.554210][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5864.554210][ T10] netdev_get_by_index+0x5e/0x80 [ 5864.554210][ T10] fib6_nh_init+0x3d8/0x1580 [ 5864.554210][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5864.554210][ T10] ip6_route_add+0x1c/0x140 [ 5864.554210][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5864.554210][ T10] addrconf_add_dev+0xe2/0x170 [ 5864.554210][ T10] inet6_addr_add+0x12f/0xa40 [ 5864.554210][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5864.554210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.554210][ T10] netlink_rcv_skb+0x130/0x360 [ 5864.554210][ T10] netlink_unicast+0x449/0x710 [ 5864.554210][ T10] netlink_sendmsg+0x723/0xbe0 [ 5864.554210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5864.554210][ T10] ___sys_sendmsg+0xee/0x170 [ 5864.554210][ T10] __sys_sendmsg+0xcd/0x170 [ 5864.554210][ T10] do_syscall_64+0xc6/0x1e0 [ 5864.554210][ T10] [ 5864.556588][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5864.556588][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5864.556588][ T10] ipv6_find_idev+0x102/0x170 [ 5864.556588][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5864.556588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.556588][ T10] netlink_rcv_skb+0x130/0x360 [ 5864.556588][ T10] netlink_unicast+0x449/0x710 [ 5864.556588][ T10] netlink_sendmsg+0x723/0xbe0 [ 5864.556588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5864.556588][ T10] ___sys_sendmsg+0xee/0x170 [ 5864.556588][ T10] __sys_sendmsg+0xcd/0x170 [ 5864.556588][ T10] do_syscall_64+0xc6/0x1e0 [ 5864.556588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.556588][ T10] [ 5864.558502][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5864.558502][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5864.558502][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5864.558502][ T10] ipv6_find_idev+0x102/0x170 [ 5864.558502][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5864.558502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.558502][ T10] netlink_rcv_skb+0x130/0x360 [ 5864.558502][ T10] netlink_unicast+0x449/0x710 [ 5864.558502][ T10] netlink_sendmsg+0x723/0xbe0 [ 5864.558502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5864.558502][ T10] ___sys_sendmsg+0xee/0x170 [ 5864.558502][ T10] __sys_sendmsg+0xcd/0x170 [ 5864.558502][ T10] do_syscall_64+0xc6/0x1e0 [ 5864.558502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.558502][ T10] [ 5864.560699][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5864.560970][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5864.560970][ T10] netdev_get_by_index+0x5e/0x80 [ 5864.560970][ T10] fib6_nh_init+0x3d8/0x1580 [ 5864.560970][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5864.560970][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5864.560970][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5864.560970][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5864.560970][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5864.560970][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5864.560970][ T10] addrconf_dad_begin+0x310/0x670 [ 5864.560970][ T10] addrconf_dad_work+0x10b/0xab0 [ 5864.560970][ T10] process_one_work+0x84d/0x18a0 [ 5864.560970][ T10] worker_thread+0x587/0xd30 [ 5864.560970][ T10] kthread+0x28a/0x350 [ 5864.560970][ T10] ret_from_fork+0x31/0x70 [ 5864.560970][ T10] ret_from_fork_asm+0x1a/0x30 [ 5864.560970][ T10] [ 5864.563347][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5864.563347][ T10] netdev_get_by_index+0x5e/0x80 [ 5864.563347][ T10] fib6_nh_init+0x3d8/0x1580 [ 5864.563347][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5864.563347][ T10] ip6_route_add+0x1c/0x140 [ 5864.563347][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5864.563347][ T10] inet6_addr_add+0x4f8/0xa40 [ 5864.563347][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5864.563347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.563347][ T10] netlink_rcv_skb+0x130/0x360 [ 5864.563347][ T10] netlink_unicast+0x449/0x710 [ 5864.563347][ T10] netlink_sendmsg+0x723/0xbe0 [ 5864.563347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5864.563347][ T10] ___sys_sendmsg+0xee/0x170 [ 5864.563347][ T10] __sys_sendmsg+0xcd/0x170 [ 5864.563347][ T10] do_syscall_64+0xc6/0x1e0 [ 5864.563347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.563347][ T10] [ 5864.565770][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5864.565770][ T10] netdev_get_by_index+0x5e/0x80 [ 5864.565770][ T10] fib6_nh_init+0x3d8/0x1580 [ 5864.565770][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5864.565770][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5864.565770][ T10] ipv6_add_addr+0x411/0x2000 [ 5864.565770][ T10] inet6_addr_add+0x30e/0xa40 [ 5864.565770][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5864.565770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.565770][ T10] netlink_rcv_skb+0x130/0x360 [ 5864.565770][ T10] netlink_unicast+0x449/0x710 [ 5864.565770][ T10] netlink_sendmsg+0x723/0xbe0 [ 5864.565770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5864.565770][ T10] ___sys_sendmsg+0xee/0x170 [ 5864.565770][ T10] __sys_sendmsg+0xcd/0x170 [ 5864.565770][ T10] do_syscall_64+0xc6/0x1e0 [ 5864.565770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.565770][ T10] [ 5864.568249][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5864.568249][ T10] netdev_get_by_index+0x5e/0x80 [ 5864.568249][ T10] fib6_nh_init+0x3d8/0x1580 [ 5864.568249][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5864.568249][ T10] ip6_route_add+0x1c/0x140 [ 5864.568249][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5864.568249][ T10] addrconf_add_dev+0xe2/0x170 [ 5864.568249][ T10] inet6_addr_add+0x12f/0xa40 [ 5864.568249][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5864.568249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.568249][ T10] netlink_rcv_skb+0x130/0x360 [ 5864.568249][ T10] netlink_unicast+0x449/0x710 [ 5864.568249][ T10] netlink_sendmsg+0x723/0xbe0 [ 5864.568249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5864.568249][ T10] ___sys_sendmsg+0xee/0x170 [ 5864.568249][ T10] __sys_sendmsg+0xcd/0x170 [ 5864.568249][ T10] do_syscall_64+0xc6/0x1e0 [ 5864.568249][ T10] [ 5864.570776][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5864.570776][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5864.570776][ T10] ipv6_find_idev+0x102/0x170 [ 5864.570776][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5864.570776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.570776][ T10] netlink_rcv_skb+0x130/0x360 [ 5864.570776][ T10] netlink_unicast+0x449/0x710 [ 5864.570776][ T10] netlink_sendmsg+0x723/0xbe0 [ 5864.570776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5864.570776][ T10] ___sys_sendmsg+0xee/0x170 [ 5864.570776][ T10] __sys_sendmsg+0xcd/0x170 [ 5864.570776][ T10] do_syscall_64+0xc6/0x1e0 [ 5864.570776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.570776][ T10] [ 5864.572684][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5864.572684][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5864.572684][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5864.572684][ T10] ipv6_find_idev+0x102/0x170 [ 5864.572684][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5864.572684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.572684][ T10] netlink_rcv_skb+0x130/0x360 [ 5864.572684][ T10] netlink_unicast+0x449/0x710 [ 5864.572684][ T10] netlink_sendmsg+0x723/0xbe0 [ 5864.572684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5864.572684][ T10] ___sys_sendmsg+0xee/0x170 [ 5864.572684][ T10] __sys_sendmsg+0xcd/0x170 [ 5864.572684][ T10] do_syscall_64+0xc6/0x1e0 [ 5864.572684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.572684][ T10] [ 5865.281116][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5865.281639][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5865.281639][ T1167] dst_init+0x84/0x4a0 [ 5865.281639][ T1167] dst_alloc+0x97/0x150 [ 5865.281639][ T1167] ip6_dst_alloc+0x23/0x90 [ 5865.281639][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5865.281639][ T1167] ip6_pol_route+0x56f/0x840 [ 5865.281639][ T1167] fib6_rule_lookup+0x334/0x630 [ 5865.281639][ T1167] ip6_route_output_flags+0x259/0x480 [ 5865.281639][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5865.281639][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5865.281639][ T1167] netlink_rcv_skb+0x130/0x360 [ 5865.281639][ T1167] netlink_unicast+0x449/0x710 [ 5865.281639][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5865.281639][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5865.281639][ T1167] ___sys_sendmsg+0xee/0x170 [ 5865.281639][ T1167] __sys_sendmsg+0xcd/0x170 [ 5865.281639][ T1167] do_syscall_64+0xc6/0x1e0 [ 5865.281639][ T1167] [ 5865.284119][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5865.284119][ T1167] netdev_get_by_index+0x5e/0x80 [ 5865.284119][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5865.284119][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5865.284119][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5865.284119][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5865.284119][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5865.284119][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5865.284119][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5865.284119][ T1167] addrconf_dad_begin+0x310/0x670 [ 5865.284119][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5865.284119][ T1167] process_one_work+0x84d/0x18a0 [ 5865.284119][ T1167] worker_thread+0x587/0xd30 [ 5865.284119][ T1167] kthread+0x28a/0x350 [ 5865.284119][ T1167] ret_from_fork+0x31/0x70 [ 5865.284119][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5865.284119][ T1167] [ 5865.286493][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5865.286493][ T1167] netdev_get_by_index+0x5e/0x80 [ 5865.286493][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5865.286493][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5865.286493][ T1167] ip6_route_add+0x1c/0x140 [ 5865.286493][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5865.286493][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5865.286493][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5865.286493][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5865.286493][ T1167] netlink_rcv_skb+0x130/0x360 [ 5865.286493][ T1167] netlink_unicast+0x449/0x710 [ 5865.286493][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5865.286493][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5865.286493][ T1167] ___sys_sendmsg+0xee/0x170 [ 5865.286493][ T1167] __sys_sendmsg+0xcd/0x170 [ 5865.286493][ T1167] do_syscall_64+0xc6/0x1e0 [ 5865.286493][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5865.286493][ T1167] [ 5865.288982][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5865.288982][ T1167] netdev_get_by_index+0x5e/0x80 [ 5865.288982][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5865.288982][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5865.288982][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5865.288982][ T1167] ipv6_add_addr+0x411/0x2000 [ 5865.288982][ T1167] inet6_addr_add+0x30e/0xa40 [ 5865.288982][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5865.288982][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5865.288982][ T1167] netlink_rcv_skb+0x130/0x360 [ 5865.288982][ T1167] netlink_unicast+0x449/0x710 [ 5865.288982][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5865.288982][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5865.288982][ T1167] ___sys_sendmsg+0xee/0x170 [ 5865.288982][ T1167] __sys_sendmsg+0xcd/0x170 [ 5865.288982][ T1167] do_syscall_64+0xc6/0x1e0 [ 5865.288982][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5865.288982][ T1167] [ 5865.291494][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5865.291494][ T1167] netdev_get_by_index+0x5e/0x80 [ 5865.291494][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5865.291494][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5865.291494][ T1167] ip6_route_add+0x1c/0x140 [ 5865.291494][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5865.291494][ T1167] addrconf_add_dev+0xe2/0x170 [ 5865.291494][ T1167] inet6_addr_add+0x12f/0xa40 [ 5865.291494][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5865.291494][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5865.291494][ T1167] netlink_rcv_skb+0x130/0x360 [ 5865.291494][ T1167] netlink_unicast+0x449/0x710 [ 5865.291494][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5865.291494][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5865.291494][ T1167] ___sys_sendmsg+0xee/0x170 [ 5865.291494][ T1167] __sys_sendmsg+0xcd/0x170 [ 5865.291494][ T1167] do_syscall_64+0xc6/0x1e0 [ 5865.291494][ T1167] [ 5865.293936][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5865.293936][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5865.293936][ T1167] ipv6_find_idev+0x102/0x170 [ 5865.293936][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5865.293936][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5865.293936][ T1167] netlink_rcv_skb+0x130/0x360 [ 5865.293936][ T1167] netlink_unicast+0x449/0x710 [ 5865.293936][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5865.293936][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5865.293936][ T1167] ___sys_sendmsg+0xee/0x170 [ 5865.293936][ T1167] __sys_sendmsg+0xcd/0x170 [ 5865.293936][ T1167] do_syscall_64+0xc6/0x1e0 [ 5865.293936][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5865.293936][ T1167] [ 5865.295865][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5865.295865][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5865.295865][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5865.295865][ T1167] ipv6_find_idev+0x102/0x170 [ 5865.295865][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5865.295865][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5865.295865][ T1167] netlink_rcv_skb+0x130/0x360 [ 5865.295865][ T1167] netlink_unicast+0x449/0x710 [ 5865.295865][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5865.295865][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5865.295865][ T1167] ___sys_sendmsg+0xee/0x170 [ 5865.295865][ T1167] __sys_sendmsg+0xcd/0x170 [ 5865.295865][ T1167] do_syscall_64+0xc6/0x1e0 [ 5865.295865][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5865.295865][ T1167] [ 5874.817100][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5874.817574][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5874.817574][ T10] netdev_get_by_index+0x5e/0x80 [ 5874.817574][ T10] fib6_nh_init+0x3d8/0x1580 [ 5874.817574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5874.817574][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5874.817574][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5874.817574][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5874.817574][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5874.817574][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5874.817574][ T10] addrconf_dad_begin+0x310/0x670 [ 5874.817574][ T10] addrconf_dad_work+0x10b/0xab0 [ 5874.817574][ T10] process_one_work+0x84d/0x18a0 [ 5874.817574][ T10] worker_thread+0x587/0xd30 [ 5874.817574][ T10] kthread+0x28a/0x350 [ 5874.817574][ T10] ret_from_fork+0x31/0x70 [ 5874.817574][ T10] ret_from_fork_asm+0x1a/0x30 [ 5874.817574][ T10] [ 5874.819750][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5874.819750][ T10] netdev_get_by_index+0x5e/0x80 [ 5874.819750][ T10] fib6_nh_init+0x3d8/0x1580 [ 5874.819750][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5874.819750][ T10] ip6_route_add+0x1c/0x140 [ 5874.819750][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5874.819750][ T10] inet6_addr_add+0x4f8/0xa40 [ 5874.819750][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5874.819750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.819750][ T10] netlink_rcv_skb+0x130/0x360 [ 5874.819750][ T10] netlink_unicast+0x449/0x710 [ 5874.819750][ T10] netlink_sendmsg+0x723/0xbe0 [ 5874.819750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5874.819750][ T10] ___sys_sendmsg+0xee/0x170 [ 5874.819750][ T10] __sys_sendmsg+0xcd/0x170 [ 5874.819750][ T10] do_syscall_64+0xc6/0x1e0 [ 5874.819750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.819750][ T10] [ 5874.821995][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5874.821995][ T10] netdev_get_by_index+0x5e/0x80 [ 5874.821995][ T10] fib6_nh_init+0x3d8/0x1580 [ 5874.821995][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5874.821995][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5874.821995][ T10] ipv6_add_addr+0x411/0x2000 [ 5874.821995][ T10] inet6_addr_add+0x30e/0xa40 [ 5874.821995][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5874.821995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.821995][ T10] netlink_rcv_skb+0x130/0x360 [ 5874.821995][ T10] netlink_unicast+0x449/0x710 [ 5874.821995][ T10] netlink_sendmsg+0x723/0xbe0 [ 5874.821995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5874.821995][ T10] ___sys_sendmsg+0xee/0x170 [ 5874.821995][ T10] __sys_sendmsg+0xcd/0x170 [ 5874.821995][ T10] do_syscall_64+0xc6/0x1e0 [ 5874.821995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.821995][ T10] [ 5874.824217][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5874.824217][ T10] netdev_get_by_index+0x5e/0x80 [ 5874.824217][ T10] fib6_nh_init+0x3d8/0x1580 [ 5874.824217][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5874.824217][ T10] ip6_route_add+0x1c/0x140 [ 5874.824217][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5874.824217][ T10] addrconf_add_dev+0xe2/0x170 [ 5874.824217][ T10] inet6_addr_add+0x12f/0xa40 [ 5874.824217][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5874.824217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.824217][ T10] netlink_rcv_skb+0x130/0x360 [ 5874.824217][ T10] netlink_unicast+0x449/0x710 [ 5874.824217][ T10] netlink_sendmsg+0x723/0xbe0 [ 5874.824217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5874.824217][ T10] ___sys_sendmsg+0xee/0x170 [ 5874.824217][ T10] __sys_sendmsg+0xcd/0x170 [ 5874.824217][ T10] do_syscall_64+0xc6/0x1e0 [ 5874.824217][ T10] [ 5874.826404][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5874.826404][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5874.826404][ T10] ipv6_find_idev+0x102/0x170 [ 5874.826404][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5874.826404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.826404][ T10] netlink_rcv_skb+0x130/0x360 [ 5874.826404][ T10] netlink_unicast+0x449/0x710 [ 5874.826404][ T10] netlink_sendmsg+0x723/0xbe0 [ 5874.826404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5874.826404][ T10] ___sys_sendmsg+0xee/0x170 [ 5874.826404][ T10] __sys_sendmsg+0xcd/0x170 [ 5874.826404][ T10] do_syscall_64+0xc6/0x1e0 [ 5874.826404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.826404][ T10] [ 5874.828118][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5874.828118][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5874.828118][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5874.828118][ T10] ipv6_find_idev+0x102/0x170 [ 5874.828118][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5874.828118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.828118][ T10] netlink_rcv_skb+0x130/0x360 [ 5874.828118][ T10] netlink_unicast+0x449/0x710 [ 5874.828118][ T10] netlink_sendmsg+0x723/0xbe0 [ 5874.828118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5874.828118][ T10] ___sys_sendmsg+0xee/0x170 [ 5874.828118][ T10] __sys_sendmsg+0xcd/0x170 [ 5874.828118][ T10] do_syscall_64+0xc6/0x1e0 [ 5874.828118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.828118][ T10] [ 5874.830018][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5874.830283][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5874.830283][ T10] netdev_get_by_index+0x5e/0x80 [ 5874.830283][ T10] fib6_nh_init+0x3d8/0x1580 [ 5874.830283][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5874.830283][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5874.830283][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5874.830283][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5874.830283][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5874.830283][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5874.830283][ T10] addrconf_dad_begin+0x310/0x670 [ 5874.830283][ T10] addrconf_dad_work+0x10b/0xab0 [ 5874.830283][ T10] process_one_work+0x84d/0x18a0 [ 5874.830283][ T10] worker_thread+0x587/0xd30 [ 5874.830283][ T10] kthread+0x28a/0x350 [ 5874.830283][ T10] ret_from_fork+0x31/0x70 [ 5874.830283][ T10] ret_from_fork_asm+0x1a/0x30 [ 5874.830283][ T10] [ 5874.832413][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5874.832413][ T10] netdev_get_by_index+0x5e/0x80 [ 5874.832413][ T10] fib6_nh_init+0x3d8/0x1580 [ 5874.832413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5874.832413][ T10] ip6_route_add+0x1c/0x140 [ 5874.832413][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5874.832413][ T10] inet6_addr_add+0x4f8/0xa40 [ 5874.832413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5874.832413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.832413][ T10] netlink_rcv_skb+0x130/0x360 [ 5874.832413][ T10] netlink_unicast+0x449/0x710 [ 5874.832413][ T10] netlink_sendmsg+0x723/0xbe0 [ 5874.832413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5874.832413][ T10] ___sys_sendmsg+0xee/0x170 [ 5874.832413][ T10] __sys_sendmsg+0xcd/0x170 [ 5874.832413][ T10] do_syscall_64+0xc6/0x1e0 [ 5874.832413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.832413][ T10] [ 5874.834642][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5874.834642][ T10] netdev_get_by_index+0x5e/0x80 [ 5874.834642][ T10] fib6_nh_init+0x3d8/0x1580 [ 5874.834642][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5874.834642][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5874.834642][ T10] ipv6_add_addr+0x411/0x2000 [ 5874.834642][ T10] inet6_addr_add+0x30e/0xa40 [ 5874.834642][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5874.834642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.834642][ T10] netlink_rcv_skb+0x130/0x360 [ 5874.834642][ T10] netlink_unicast+0x449/0x710 [ 5874.834642][ T10] netlink_sendmsg+0x723/0xbe0 [ 5874.834642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5874.834642][ T10] ___sys_sendmsg+0xee/0x170 [ 5874.834642][ T10] __sys_sendmsg+0xcd/0x170 [ 5874.834642][ T10] do_syscall_64+0xc6/0x1e0 [ 5874.834642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.834642][ T10] [ 5874.836879][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5874.836879][ T10] netdev_get_by_index+0x5e/0x80 [ 5874.836879][ T10] fib6_nh_init+0x3d8/0x1580 [ 5874.836879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5874.836879][ T10] ip6_route_add+0x1c/0x140 [ 5874.836879][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5874.836879][ T10] addrconf_add_dev+0xe2/0x170 [ 5874.836879][ T10] inet6_addr_add+0x12f/0xa40 [ 5874.836879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5874.836879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.836879][ T10] netlink_rcv_skb+0x130/0x360 [ 5874.836879][ T10] netlink_unicast+0x449/0x710 [ 5874.836879][ T10] netlink_sendmsg+0x723/0xbe0 [ 5874.836879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5874.836879][ T10] ___sys_sendmsg+0xee/0x170 [ 5874.836879][ T10] __sys_sendmsg+0xcd/0x170 [ 5874.836879][ T10] do_syscall_64+0xc6/0x1e0 [ 5874.836879][ T10] [ 5874.839071][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5874.839071][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5874.839071][ T10] ipv6_find_idev+0x102/0x170 [ 5874.839071][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5874.839071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.839071][ T10] netlink_rcv_skb+0x130/0x360 [ 5874.839071][ T10] netlink_unicast+0x449/0x710 [ 5874.839071][ T10] netlink_sendmsg+0x723/0xbe0 [ 5874.839071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5874.839071][ T10] ___sys_sendmsg+0xee/0x170 [ 5874.839071][ T10] __sys_sendmsg+0xcd/0x170 [ 5874.839071][ T10] do_syscall_64+0xc6/0x1e0 [ 5874.839071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.839071][ T10] [ 5874.840813][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5874.840813][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5874.840813][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5874.840813][ T10] ipv6_find_idev+0x102/0x170 [ 5874.840813][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5874.840813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.840813][ T10] netlink_rcv_skb+0x130/0x360 [ 5874.840813][ T10] netlink_unicast+0x449/0x710 [ 5874.840813][ T10] netlink_sendmsg+0x723/0xbe0 [ 5874.840813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5874.840813][ T10] ___sys_sendmsg+0xee/0x170 [ 5874.840813][ T10] __sys_sendmsg+0xcd/0x170 [ 5874.840813][ T10] do_syscall_64+0xc6/0x1e0 [ 5874.840813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.840813][ T10] [ 5874.842678][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5874.842939][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5874.842939][ T10] netdev_get_by_index+0x5e/0x80 [ 5874.842939][ T10] fib6_nh_init+0x3d8/0x1580 [ 5874.842939][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5874.842939][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5874.842939][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5874.842939][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5874.842939][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5874.842939][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5874.842939][ T10] addrconf_dad_begin+0x310/0x670 [ 5874.842939][ T10] addrconf_dad_work+0x10b/0xab0 [ 5874.842939][ T10] process_one_work+0x84d/0x18a0 [ 5874.842939][ T10] worker_thread+0x587/0xd30 [ 5874.842939][ T10] kthread+0x28a/0x350 [ 5874.842939][ T10] ret_from_fork+0x31/0x70 [ 5874.842939][ T10] ret_from_fork_asm+0x1a/0x30 [ 5874.842939][ T10] [ 5874.845085][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5874.845085][ T10] netdev_get_by_index+0x5e/0x80 [ 5874.845085][ T10] fib6_nh_init+0x3d8/0x1580 [ 5874.845085][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5874.845085][ T10] ip6_route_add+0x1c/0x140 [ 5874.845085][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5874.845085][ T10] inet6_addr_add+0x4f8/0xa40 [ 5874.845085][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5874.845085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.845085][ T10] netlink_rcv_skb+0x130/0x360 [ 5874.845085][ T10] netlink_unicast+0x449/0x710 [ 5874.845085][ T10] netlink_sendmsg+0x723/0xbe0 [ 5874.845085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5874.845085][ T10] ___sys_sendmsg+0xee/0x170 [ 5874.845085][ T10] __sys_sendmsg+0xcd/0x170 [ 5874.845085][ T10] do_syscall_64+0xc6/0x1e0 [ 5874.845085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.845085][ T10] [ 5874.847494][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5874.847494][ T10] netdev_get_by_index+0x5e/0x80 [ 5874.847494][ T10] fib6_nh_init+0x3d8/0x1580 [ 5874.847494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5874.847494][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5874.847494][ T10] ipv6_add_addr+0x411/0x2000 [ 5874.847494][ T10] inet6_addr_add+0x30e/0xa40 [ 5874.847494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5874.847494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.847494][ T10] netlink_rcv_skb+0x130/0x360 [ 5874.847494][ T10] netlink_unicast+0x449/0x710 [ 5874.847494][ T10] netlink_sendmsg+0x723/0xbe0 [ 5874.847494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5874.847494][ T10] ___sys_sendmsg+0xee/0x170 [ 5874.847494][ T10] __sys_sendmsg+0xcd/0x170 [ 5874.847494][ T10] do_syscall_64+0xc6/0x1e0 [ 5874.847494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.847494][ T10] [ 5874.850023][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5874.850023][ T10] netdev_get_by_index+0x5e/0x80 [ 5874.850023][ T10] fib6_nh_init+0x3d8/0x1580 [ 5874.850023][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5874.850023][ T10] ip6_route_add+0x1c/0x140 [ 5874.850023][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5874.850023][ T10] addrconf_add_dev+0xe2/0x170 [ 5874.850023][ T10] inet6_addr_add+0x12f/0xa40 [ 5874.850023][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5874.850023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.850023][ T10] netlink_rcv_skb+0x130/0x360 [ 5874.850023][ T10] netlink_unicast+0x449/0x710 [ 5874.850023][ T10] netlink_sendmsg+0x723/0xbe0 [ 5874.850023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5874.850023][ T10] ___sys_sendmsg+0xee/0x170 [ 5874.850023][ T10] __sys_sendmsg+0xcd/0x170 [ 5874.850023][ T10] do_syscall_64+0xc6/0x1e0 [ 5874.850023][ T10] [ 5874.852390][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5874.852390][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5874.852390][ T10] ipv6_find_idev+0x102/0x170 [ 5874.852390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5874.852390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.852390][ T10] netlink_rcv_skb+0x130/0x360 [ 5874.852390][ T10] netlink_unicast+0x449/0x710 [ 5874.852390][ T10] netlink_sendmsg+0x723/0xbe0 [ 5874.852390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5874.852390][ T10] ___sys_sendmsg+0xee/0x170 [ 5874.852390][ T10] __sys_sendmsg+0xcd/0x170 [ 5874.852390][ T10] do_syscall_64+0xc6/0x1e0 [ 5874.852390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.852390][ T10] [ 5874.854272][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5874.854272][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5874.854272][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5874.854272][ T10] ipv6_find_idev+0x102/0x170 [ 5874.854272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5874.854272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.854272][ T10] netlink_rcv_skb+0x130/0x360 [ 5874.854272][ T10] netlink_unicast+0x449/0x710 [ 5874.854272][ T10] netlink_sendmsg+0x723/0xbe0 [ 5874.854272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5874.854272][ T10] ___sys_sendmsg+0xee/0x170 [ 5874.854272][ T10] __sys_sendmsg+0xcd/0x170 [ 5874.854272][ T10] do_syscall_64+0xc6/0x1e0 [ 5874.854272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.854272][ T10] [ 5874.856399][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5874.856658][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5874.856658][ T10] netdev_get_by_index+0x5e/0x80 [ 5874.856658][ T10] fib6_nh_init+0x3d8/0x1580 [ 5874.856658][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5874.856658][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5874.856658][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5874.856658][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5874.856658][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5874.856658][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5874.856658][ T10] addrconf_dad_begin+0x310/0x670 [ 5874.856658][ T10] addrconf_dad_work+0x10b/0xab0 [ 5874.856658][ T10] process_one_work+0x84d/0x18a0 [ 5874.856658][ T10] worker_thread+0x587/0xd30 [ 5874.856658][ T10] kthread+0x28a/0x350 [ 5874.856658][ T10] ret_from_fork+0x31/0x70 [ 5874.856658][ T10] ret_from_fork_asm+0x1a/0x30 [ 5874.856658][ T10] [ 5874.859074][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5874.859074][ T10] netdev_get_by_index+0x5e/0x80 [ 5874.859074][ T10] fib6_nh_init+0x3d8/0x1580 [ 5874.859074][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5874.859074][ T10] ip6_route_add+0x1c/0x140 [ 5874.859074][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5874.859074][ T10] inet6_addr_add+0x4f8/0xa40 [ 5874.859074][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5874.859074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.859074][ T10] netlink_rcv_skb+0x130/0x360 [ 5874.859074][ T10] netlink_unicast+0x449/0x710 [ 5874.859074][ T10] netlink_sendmsg+0x723/0xbe0 [ 5874.859074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5874.859074][ T10] ___sys_sendmsg+0xee/0x170 [ 5874.859074][ T10] __sys_sendmsg+0xcd/0x170 [ 5874.859074][ T10] do_syscall_64+0xc6/0x1e0 [ 5874.859074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.859074][ T10] [ 5874.861509][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5874.861509][ T10] netdev_get_by_index+0x5e/0x80 [ 5874.861509][ T10] fib6_nh_init+0x3d8/0x1580 [ 5874.861509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5874.861509][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5874.861509][ T10] ipv6_add_addr+0x411/0x2000 [ 5874.861509][ T10] inet6_addr_add+0x30e/0xa40 [ 5874.861509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5874.861509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.861509][ T10] netlink_rcv_skb+0x130/0x360 [ 5874.861509][ T10] netlink_unicast+0x449/0x710 [ 5874.861509][ T10] netlink_sendmsg+0x723/0xbe0 [ 5874.861509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5874.861509][ T10] ___sys_sendmsg+0xee/0x170 [ 5874.861509][ T10] __sys_sendmsg+0xcd/0x170 [ 5874.861509][ T10] do_syscall_64+0xc6/0x1e0 [ 5874.861509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.861509][ T10] [ 5874.863989][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5874.863989][ T10] netdev_get_by_index+0x5e/0x80 [ 5874.863989][ T10] fib6_nh_init+0x3d8/0x1580 [ 5874.863989][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5874.863989][ T10] ip6_route_add+0x1c/0x140 [ 5874.863989][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5874.863989][ T10] addrconf_add_dev+0xe2/0x170 [ 5874.863989][ T10] inet6_addr_add+0x12f/0xa40 [ 5874.863989][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5874.863989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.863989][ T10] netlink_rcv_skb+0x130/0x360 [ 5874.863989][ T10] netlink_unicast+0x449/0x710 [ 5874.863989][ T10] netlink_sendmsg+0x723/0xbe0 [ 5874.863989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5874.863989][ T10] ___sys_sendmsg+0xee/0x170 [ 5874.863989][ T10] __sys_sendmsg+0xcd/0x170 [ 5874.863989][ T10] do_syscall_64+0xc6/0x1e0 [ 5874.863989][ T10] [ 5874.866971][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5874.866971][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5874.866971][ T10] ipv6_find_idev+0x102/0x170 [ 5874.866971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5874.866971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.866971][ T10] netlink_rcv_skb+0x130/0x360 [ 5874.866971][ T10] netlink_unicast+0x449/0x710 [ 5874.866971][ T10] netlink_sendmsg+0x723/0xbe0 [ 5874.866971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5874.866971][ T10] ___sys_sendmsg+0xee/0x170 [ 5874.866971][ T10] __sys_sendmsg+0xcd/0x170 [ 5874.866971][ T10] do_syscall_64+0xc6/0x1e0 [ 5874.866971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.866971][ T10] [ 5874.868875][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5874.868875][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5874.868875][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5874.868875][ T10] ipv6_find_idev+0x102/0x170 [ 5874.868875][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5874.868875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5874.868875][ T10] netlink_rcv_skb+0x130/0x360 [ 5874.868875][ T10] netlink_unicast+0x449/0x710 [ 5874.868875][ T10] netlink_sendmsg+0x723/0xbe0 [ 5874.868875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5874.868875][ T10] ___sys_sendmsg+0xee/0x170 [ 5874.868875][ T10] __sys_sendmsg+0xcd/0x170 [ 5874.868875][ T10] do_syscall_64+0xc6/0x1e0 [ 5874.868875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5874.868875][ T10] [ 5875.537037][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5875.537523][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5875.537523][ T1167] dst_init+0x84/0x4a0 [ 5875.537523][ T1167] dst_alloc+0x97/0x150 [ 5875.537523][ T1167] ip6_dst_alloc+0x23/0x90 [ 5875.537523][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5875.537523][ T1167] ip6_pol_route+0x56f/0x840 [ 5875.537523][ T1167] fib6_rule_lookup+0x334/0x630 [ 5875.537523][ T1167] ip6_route_output_flags+0x259/0x480 [ 5875.537523][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5875.537523][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5875.537523][ T1167] netlink_rcv_skb+0x130/0x360 [ 5875.537523][ T1167] netlink_unicast+0x449/0x710 [ 5875.537523][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5875.537523][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5875.537523][ T1167] ___sys_sendmsg+0xee/0x170 [ 5875.537523][ T1167] __sys_sendmsg+0xcd/0x170 [ 5875.537523][ T1167] do_syscall_64+0xc6/0x1e0 [ 5875.537523][ T1167] [ 5875.539785][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5875.539785][ T1167] netdev_get_by_index+0x5e/0x80 [ 5875.539785][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5875.539785][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5875.539785][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5875.539785][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5875.539785][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5875.539785][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5875.539785][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5875.539785][ T1167] addrconf_dad_begin+0x310/0x670 [ 5875.539785][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5875.539785][ T1167] process_one_work+0x84d/0x18a0 [ 5875.539785][ T1167] worker_thread+0x587/0xd30 [ 5875.539785][ T1167] kthread+0x28a/0x350 [ 5875.539785][ T1167] ret_from_fork+0x31/0x70 [ 5875.539785][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5875.539785][ T1167] [ 5875.541964][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5875.541964][ T1167] netdev_get_by_index+0x5e/0x80 [ 5875.541964][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5875.541964][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5875.541964][ T1167] ip6_route_add+0x1c/0x140 [ 5875.541964][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5875.541964][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5875.541964][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5875.541964][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5875.541964][ T1167] netlink_rcv_skb+0x130/0x360 [ 5875.541964][ T1167] netlink_unicast+0x449/0x710 [ 5875.541964][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5875.541964][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5875.541964][ T1167] ___sys_sendmsg+0xee/0x170 [ 5875.541964][ T1167] __sys_sendmsg+0xcd/0x170 [ 5875.541964][ T1167] do_syscall_64+0xc6/0x1e0 [ 5875.541964][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5875.541964][ T1167] [ 5875.544239][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5875.544239][ T1167] netdev_get_by_index+0x5e/0x80 [ 5875.544239][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5875.544239][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5875.544239][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5875.544239][ T1167] ipv6_add_addr+0x411/0x2000 [ 5875.544239][ T1167] inet6_addr_add+0x30e/0xa40 [ 5875.544239][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5875.544239][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5875.544239][ T1167] netlink_rcv_skb+0x130/0x360 [ 5875.544239][ T1167] netlink_unicast+0x449/0x710 [ 5875.544239][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5875.544239][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5875.544239][ T1167] ___sys_sendmsg+0xee/0x170 [ 5875.544239][ T1167] __sys_sendmsg+0xcd/0x170 [ 5875.544239][ T1167] do_syscall_64+0xc6/0x1e0 [ 5875.544239][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5875.544239][ T1167] [ 5875.546520][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5875.546520][ T1167] netdev_get_by_index+0x5e/0x80 [ 5875.546520][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5875.546520][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5875.546520][ T1167] ip6_route_add+0x1c/0x140 [ 5875.546520][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5875.546520][ T1167] addrconf_add_dev+0xe2/0x170 [ 5875.546520][ T1167] inet6_addr_add+0x12f/0xa40 [ 5875.546520][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5875.546520][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5875.546520][ T1167] netlink_rcv_skb+0x130/0x360 [ 5875.546520][ T1167] netlink_unicast+0x449/0x710 [ 5875.546520][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5875.546520][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5875.546520][ T1167] ___sys_sendmsg+0xee/0x170 [ 5875.546520][ T1167] __sys_sendmsg+0xcd/0x170 [ 5875.546520][ T1167] do_syscall_64+0xc6/0x1e0 [ 5875.546520][ T1167] [ 5875.548744][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5875.548744][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5875.548744][ T1167] ipv6_find_idev+0x102/0x170 [ 5875.548744][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5875.548744][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5875.548744][ T1167] netlink_rcv_skb+0x130/0x360 [ 5875.548744][ T1167] netlink_unicast+0x449/0x710 [ 5875.548744][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5875.548744][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5875.548744][ T1167] ___sys_sendmsg+0xee/0x170 [ 5875.548744][ T1167] __sys_sendmsg+0xcd/0x170 [ 5875.548744][ T1167] do_syscall_64+0xc6/0x1e0 [ 5875.548744][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5875.548744][ T1167] [ 5875.550509][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5875.550509][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5875.550509][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5875.550509][ T1167] ipv6_find_idev+0x102/0x170 [ 5875.550509][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5875.550509][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5875.550509][ T1167] netlink_rcv_skb+0x130/0x360 [ 5875.550509][ T1167] netlink_unicast+0x449/0x710 [ 5875.550509][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5875.550509][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5875.550509][ T1167] ___sys_sendmsg+0xee/0x170 [ 5875.550509][ T1167] __sys_sendmsg+0xcd/0x170 [ 5875.550509][ T1167] do_syscall_64+0xc6/0x1e0 [ 5875.550509][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5875.550509][ T1167] [ 5885.113146][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5885.113601][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5885.113601][ T10] netdev_get_by_index+0x5e/0x80 [ 5885.113601][ T10] fib6_nh_init+0x3d8/0x1580 [ 5885.113601][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5885.113601][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5885.113601][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5885.113601][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5885.113601][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5885.113601][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5885.113601][ T10] addrconf_dad_begin+0x310/0x670 [ 5885.113601][ T10] addrconf_dad_work+0x10b/0xab0 [ 5885.113601][ T10] process_one_work+0x84d/0x18a0 [ 5885.113601][ T10] worker_thread+0x587/0xd30 [ 5885.113601][ T10] kthread+0x28a/0x350 [ 5885.113601][ T10] ret_from_fork+0x31/0x70 [ 5885.113601][ T10] ret_from_fork_asm+0x1a/0x30 [ 5885.113601][ T10] [ 5885.115764][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5885.115764][ T10] netdev_get_by_index+0x5e/0x80 [ 5885.115764][ T10] fib6_nh_init+0x3d8/0x1580 [ 5885.115764][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5885.115764][ T10] ip6_route_add+0x1c/0x140 [ 5885.115764][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5885.115764][ T10] inet6_addr_add+0x4f8/0xa40 [ 5885.115764][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5885.115764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5885.115764][ T10] netlink_rcv_skb+0x130/0x360 [ 5885.115764][ T10] netlink_unicast+0x449/0x710 [ 5885.115764][ T10] netlink_sendmsg+0x723/0xbe0 [ 5885.115764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5885.115764][ T10] ___sys_sendmsg+0xee/0x170 [ 5885.115764][ T10] __sys_sendmsg+0xcd/0x170 [ 5885.115764][ T10] do_syscall_64+0xc6/0x1e0 [ 5885.115764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5885.115764][ T10] [ 5885.118005][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5885.118005][ T10] netdev_get_by_index+0x5e/0x80 [ 5885.118005][ T10] fib6_nh_init+0x3d8/0x1580 [ 5885.118005][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5885.118005][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5885.118005][ T10] ipv6_add_addr+0x411/0x2000 [ 5885.118005][ T10] inet6_addr_add+0x30e/0xa40 [ 5885.118005][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5885.118005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5885.118005][ T10] netlink_rcv_skb+0x130/0x360 [ 5885.118005][ T10] netlink_unicast+0x449/0x710 [ 5885.118005][ T10] netlink_sendmsg+0x723/0xbe0 [ 5885.118005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5885.118005][ T10] ___sys_sendmsg+0xee/0x170 [ 5885.118005][ T10] __sys_sendmsg+0xcd/0x170 [ 5885.118005][ T10] do_syscall_64+0xc6/0x1e0 [ 5885.118005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5885.118005][ T10] [ 5885.120243][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5885.120243][ T10] netdev_get_by_index+0x5e/0x80 [ 5885.120243][ T10] fib6_nh_init+0x3d8/0x1580 [ 5885.120243][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5885.120243][ T10] ip6_route_add+0x1c/0x140 [ 5885.120243][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5885.120243][ T10] addrconf_add_dev+0xe2/0x170 [ 5885.120243][ T10] inet6_addr_add+0x12f/0xa40 [ 5885.120243][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5885.120243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5885.120243][ T10] netlink_rcv_skb+0x130/0x360 [ 5885.120243][ T10] netlink_unicast+0x449/0x710 [ 5885.120243][ T10] netlink_sendmsg+0x723/0xbe0 [ 5885.120243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5885.120243][ T10] ___sys_sendmsg+0xee/0x170 [ 5885.120243][ T10] __sys_sendmsg+0xcd/0x170 [ 5885.120243][ T10] do_syscall_64+0xc6/0x1e0 [ 5885.120243][ T10] [ 5885.122441][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5885.122441][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5885.122441][ T10] ipv6_find_idev+0x102/0x170 [ 5885.122441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5885.122441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5885.122441][ T10] netlink_rcv_skb+0x130/0x360 [ 5885.122441][ T10] netlink_unicast+0x449/0x710 [ 5885.122441][ T10] netlink_sendmsg+0x723/0xbe0 [ 5885.122441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5885.122441][ T10] ___sys_sendmsg+0xee/0x170 [ 5885.122441][ T10] __sys_sendmsg+0xcd/0x170 [ 5885.122441][ T10] do_syscall_64+0xc6/0x1e0 [ 5885.122441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5885.122441][ T10] [ 5885.124158][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5885.124158][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5885.124158][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5885.124158][ T10] ipv6_find_idev+0x102/0x170 [ 5885.124158][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5885.124158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5885.124158][ T10] netlink_rcv_skb+0x130/0x360 [ 5885.124158][ T10] netlink_unicast+0x449/0x710 [ 5885.124158][ T10] netlink_sendmsg+0x723/0xbe0 [ 5885.124158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5885.124158][ T10] ___sys_sendmsg+0xee/0x170 [ 5885.124158][ T10] __sys_sendmsg+0xcd/0x170 [ 5885.124158][ T10] do_syscall_64+0xc6/0x1e0 [ 5885.124158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5885.124158][ T10] [ 5885.126044][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5885.126315][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5885.126315][ T10] netdev_get_by_index+0x5e/0x80 [ 5885.126315][ T10] fib6_nh_init+0x3d8/0x1580 [ 5885.126315][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5885.126315][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5885.126315][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5885.126315][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5885.126315][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5885.126315][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5885.126315][ T10] addrconf_dad_begin+0x310/0x670 [ 5885.126315][ T10] addrconf_dad_work+0x10b/0xab0 [ 5885.126315][ T10] process_one_work+0x84d/0x18a0 [ 5885.126315][ T10] worker_thread+0x587/0xd30 [ 5885.126315][ T10] kthread+0x28a/0x350 [ 5885.126315][ T10] ret_from_fork+0x31/0x70 [ 5885.126315][ T10] ret_from_fork_asm+0x1a/0x30 [ 5885.126315][ T10] [ 5885.128442][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5885.128442][ T10] netdev_get_by_index+0x5e/0x80 [ 5885.128442][ T10] fib6_nh_init+0x3d8/0x1580 [ 5885.128442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5885.128442][ T10] ip6_route_add+0x1c/0x140 [ 5885.128442][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5885.128442][ T10] inet6_addr_add+0x4f8/0xa40 [ 5885.128442][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5885.128442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5885.128442][ T10] netlink_rcv_skb+0x130/0x360 [ 5885.128442][ T10] netlink_unicast+0x449/0x710 [ 5885.128442][ T10] netlink_sendmsg+0x723/0xbe0 [ 5885.128442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5885.128442][ T10] ___sys_sendmsg+0xee/0x170 [ 5885.128442][ T10] __sys_sendmsg+0xcd/0x170 [ 5885.128442][ T10] do_syscall_64+0xc6/0x1e0 [ 5885.128442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5885.128442][ T10] [ 5885.130771][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5885.130771][ T10] netdev_get_by_index+0x5e/0x80 [ 5885.130771][ T10] fib6_nh_init+0x3d8/0x1580 [ 5885.130771][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5885.130771][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5885.130771][ T10] ipv6_add_addr+0x411/0x2000 [ 5885.130771][ T10] inet6_addr_add+0x30e/0xa40 [ 5885.130771][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5885.130771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5885.130771][ T10] netlink_rcv_skb+0x130/0x360 [ 5885.130771][ T10] netlink_unicast+0x449/0x710 [ 5885.130771][ T10] netlink_sendmsg+0x723/0xbe0 [ 5885.130771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5885.130771][ T10] ___sys_sendmsg+0xee/0x170 [ 5885.130771][ T10] __sys_sendmsg+0xcd/0x170 [ 5885.130771][ T10] do_syscall_64+0xc6/0x1e0 [ 5885.130771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5885.130771][ T10] [ 5885.133022][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5885.133022][ T10] netdev_get_by_index+0x5e/0x80 [ 5885.133022][ T10] fib6_nh_init+0x3d8/0x1580 [ 5885.133022][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5885.133022][ T10] ip6_route_add+0x1c/0x140 [ 5885.133022][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5885.133022][ T10] addrconf_add_dev+0xe2/0x170 [ 5885.133022][ T10] inet6_addr_add+0x12f/0xa40 [ 5885.133022][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5885.133022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5885.133022][ T10] netlink_rcv_skb+0x130/0x360 [ 5885.133022][ T10] netlink_unicast+0x449/0x710 [ 5885.133022][ T10] netlink_sendmsg+0x723/0xbe0 [ 5885.133022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5885.133022][ T10] ___sys_sendmsg+0xee/0x170 [ 5885.133022][ T10] __sys_sendmsg+0xcd/0x170 [ 5885.133022][ T10] do_syscall_64+0xc6/0x1e0 [ 5885.133022][ T10] [ 5885.135234][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5885.135234][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5885.135234][ T10] ipv6_find_idev+0x102/0x170 [ 5885.135234][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5885.135234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5885.135234][ T10] netlink_rcv_skb+0x130/0x360 [ 5885.135234][ T10] netlink_unicast+0x449/0x710 [ 5885.135234][ T10] netlink_sendmsg+0x723/0xbe0 [ 5885.135234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5885.135234][ T10] ___sys_sendmsg+0xee/0x170 [ 5885.135234][ T10] __sys_sendmsg+0xcd/0x170 [ 5885.135234][ T10] do_syscall_64+0xc6/0x1e0 [ 5885.135234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5885.135234][ T10] [ 5885.136967][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5885.136967][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5885.136967][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5885.136967][ T10] ipv6_find_idev+0x102/0x170 [ 5885.136967][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5885.136967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5885.136967][ T10] netlink_rcv_skb+0x130/0x360 [ 5885.136967][ T10] netlink_unicast+0x449/0x710 [ 5885.136967][ T10] netlink_sendmsg+0x723/0xbe0 [ 5885.136967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5885.136967][ T10] ___sys_sendmsg+0xee/0x170 [ 5885.136967][ T10] __sys_sendmsg+0xcd/0x170 [ 5885.136967][ T10] do_syscall_64+0xc6/0x1e0 [ 5885.136967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5885.136967][ T10] [ 5885.138869][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5885.139135][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5885.139135][ T10] netdev_get_by_index+0x5e/0x80 [ 5885.139135][ T10] fib6_nh_init+0x3d8/0x1580 [ 5885.139135][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5885.139135][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5885.139135][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5885.139135][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5885.139135][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5885.139135][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5885.139135][ T10] addrconf_dad_begin+0x310/0x670 [ 5885.139135][ T10] addrconf_dad_work+0x10b/0xab0 [ 5885.139135][ T10] process_one_work+0x84d/0x18a0 [ 5885.139135][ T10] worker_thread+0x587/0xd30 [ 5885.139135][ T10] kthread+0x28a/0x350 [ 5885.139135][ T10] ret_from_fork+0x31/0x70 [ 5885.139135][ T10] ret_from_fork_asm+0x1a/0x30 [ 5885.139135][ T10] [ 5885.141310][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5885.141310][ T10] netdev_get_by_index+0x5e/0x80 [ 5885.141310][ T10] fib6_nh_init+0x3d8/0x1580 [ 5885.141310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5885.141310][ T10] ip6_route_add+0x1c/0x140 [ 5885.141310][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5885.141310][ T10] inet6_addr_add+0x4f8/0xa40 [ 5885.141310][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5885.141310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5885.141310][ T10] netlink_rcv_skb+0x130/0x360 [ 5885.141310][ T10] netlink_unicast+0x449/0x710 [ 5885.141310][ T10] netlink_sendmsg+0x723/0xbe0 [ 5885.141310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5885.141310][ T10] ___sys_sendmsg+0xee/0x170 [ 5885.141310][ T10] __sys_sendmsg+0xcd/0x170 [ 5885.141310][ T10] do_syscall_64+0xc6/0x1e0 [ 5885.141310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5885.141310][ T10] [ 5885.143732][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5885.143732][ T10] netdev_get_by_index+0x5e/0x80 [ 5885.143732][ T10] fib6_nh_init+0x3d8/0x1580 [ 5885.143732][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5885.143732][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5885.143732][ T10] ipv6_add_addr+0x411/0x2000 [ 5885.143732][ T10] inet6_addr_add+0x30e/0xa40 [ 5885.143732][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5885.143732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5885.143732][ T10] netlink_rcv_skb+0x130/0x360 [ 5885.143732][ T10] netlink_unicast+0x449/0x710 [ 5885.143732][ T10] netlink_sendmsg+0x723/0xbe0 [ 5885.143732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5885.143732][ T10] ___sys_sendmsg+0xee/0x170 [ 5885.143732][ T10] __sys_sendmsg+0xcd/0x170 [ 5885.143732][ T10] do_syscall_64+0xc6/0x1e0 [ 5885.143732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5885.143732][ T10] [ 5885.146293][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5885.146293][ T10] netdev_get_by_index+0x5e/0x80 [ 5885.146293][ T10] fib6_nh_init+0x3d8/0x1580 [ 5885.146293][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5885.146293][ T10] ip6_route_add+0x1c/0x140 [ 5885.146293][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5885.146293][ T10] addrconf_add_dev+0xe2/0x170 [ 5885.146293][ T10] inet6_addr_add+0x12f/0xa40 [ 5885.146293][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5885.146293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5885.146293][ T10] netlink_rcv_skb+0x130/0x360 [ 5885.146293][ T10] netlink_unicast+0x449/0x710 [ 5885.146293][ T10] netlink_sendmsg+0x723/0xbe0 [ 5885.146293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5885.146293][ T10] ___sys_sendmsg+0xee/0x170 [ 5885.146293][ T10] __sys_sendmsg+0xcd/0x170 [ 5885.146293][ T10] do_syscall_64+0xc6/0x1e0 [ 5885.146293][ T10] [ 5885.148679][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5885.148679][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5885.148679][ T10] ipv6_find_idev+0x102/0x170 [ 5885.148679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5885.148679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5885.148679][ T10] netlink_rcv_skb+0x130/0x360 [ 5885.148679][ T10] netlink_unicast+0x449/0x710 [ 5885.148679][ T10] netlink_sendmsg+0x723/0xbe0 [ 5885.148679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5885.148679][ T10] ___sys_sendmsg+0xee/0x170 [ 5885.148679][ T10] __sys_sendmsg+0xcd/0x170 [ 5885.148679][ T10] do_syscall_64+0xc6/0x1e0 [ 5885.148679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5885.148679][ T10] [ 5885.150603][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5885.150603][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5885.150603][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5885.150603][ T10] ipv6_find_idev+0x102/0x170 [ 5885.150603][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5885.150603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5885.150603][ T10] netlink_rcv_skb+0x130/0x360 [ 5885.150603][ T10] netlink_unicast+0x449/0x710 [ 5885.150603][ T10] netlink_sendmsg+0x723/0xbe0 [ 5885.150603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5885.150603][ T10] ___sys_sendmsg+0xee/0x170 [ 5885.150603][ T10] __sys_sendmsg+0xcd/0x170 [ 5885.150603][ T10] do_syscall_64+0xc6/0x1e0 [ 5885.150603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5885.150603][ T10] [ 5885.152727][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5885.152994][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5885.152994][ T10] netdev_get_by_index+0x5e/0x80 [ 5885.152994][ T10] fib6_nh_init+0x3d8/0x1580 [ 5885.152994][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5885.152994][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5885.152994][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5885.152994][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5885.152994][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5885.152994][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5885.152994][ T10] addrconf_dad_begin+0x310/0x670 [ 5885.152994][ T10] addrconf_dad_work+0x10b/0xab0 [ 5885.152994][ T10] process_one_work+0x84d/0x18a0 [ 5885.152994][ T10] worker_thread+0x587/0xd30 [ 5885.152994][ T10] kthread+0x28a/0x350 [ 5885.152994][ T10] ret_from_fork+0x31/0x70 [ 5885.152994][ T10] ret_from_fork_asm+0x1a/0x30 [ 5885.152994][ T10] [ 5885.155407][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5885.155407][ T10] netdev_get_by_index+0x5e/0x80 [ 5885.155407][ T10] fib6_nh_init+0x3d8/0x1580 [ 5885.155407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5885.155407][ T10] ip6_route_add+0x1c/0x140 [ 5885.155407][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5885.155407][ T10] inet6_addr_add+0x4f8/0xa40 [ 5885.155407][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5885.155407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5885.155407][ T10] netlink_rcv_skb+0x130/0x360 [ 5885.155407][ T10] netlink_unicast+0x449/0x710 [ 5885.155407][ T10] netlink_sendmsg+0x723/0xbe0 [ 5885.155407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5885.155407][ T10] ___sys_sendmsg+0xee/0x170 [ 5885.155407][ T10] __sys_sendmsg+0xcd/0x170 [ 5885.155407][ T10] do_syscall_64+0xc6/0x1e0 [ 5885.155407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5885.155407][ T10] [ 5885.157828][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5885.157828][ T10] netdev_get_by_index+0x5e/0x80 [ 5885.157828][ T10] fib6_nh_init+0x3d8/0x1580 [ 5885.157828][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5885.157828][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5885.157828][ T10] ipv6_add_addr+0x411/0x2000 [ 5885.157828][ T10] inet6_addr_add+0x30e/0xa40 [ 5885.157828][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5885.157828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5885.157828][ T10] netlink_rcv_skb+0x130/0x360 [ 5885.157828][ T10] netlink_unicast+0x449/0x710 [ 5885.157828][ T10] netlink_sendmsg+0x723/0xbe0 [ 5885.157828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5885.157828][ T10] ___sys_sendmsg+0xee/0x170 [ 5885.157828][ T10] __sys_sendmsg+0xcd/0x170 [ 5885.157828][ T10] do_syscall_64+0xc6/0x1e0 [ 5885.157828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5885.157828][ T10] [ 5885.160299][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5885.160299][ T10] netdev_get_by_index+0x5e/0x80 [ 5885.160299][ T10] fib6_nh_init+0x3d8/0x1580 [ 5885.160299][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5885.160299][ T10] ip6_route_add+0x1c/0x140 [ 5885.160299][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5885.160299][ T10] addrconf_add_dev+0xe2/0x170 [ 5885.160299][ T10] inet6_addr_add+0x12f/0xa40 [ 5885.160299][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5885.160299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5885.160299][ T10] netlink_rcv_skb+0x130/0x360 [ 5885.160299][ T10] netlink_unicast+0x449/0x710 [ 5885.160299][ T10] netlink_sendmsg+0x723/0xbe0 [ 5885.160299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5885.160299][ T10] ___sys_sendmsg+0xee/0x170 [ 5885.160299][ T10] __sys_sendmsg+0xcd/0x170 [ 5885.160299][ T10] do_syscall_64+0xc6/0x1e0 [ 5885.160299][ T10] [ 5885.162760][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5885.162760][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5885.162760][ T10] ipv6_find_idev+0x102/0x170 [ 5885.162760][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5885.162760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5885.162760][ T10] netlink_rcv_skb+0x130/0x360 [ 5885.162760][ T10] netlink_unicast+0x449/0x710 [ 5885.162760][ T10] netlink_sendmsg+0x723/0xbe0 [ 5885.162760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5885.162760][ T10] ___sys_sendmsg+0xee/0x170 [ 5885.162760][ T10] __sys_sendmsg+0xcd/0x170 [ 5885.162760][ T10] do_syscall_64+0xc6/0x1e0 [ 5885.162760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5885.162760][ T10] [ 5885.164681][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5885.164681][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5885.164681][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5885.164681][ T10] ipv6_find_idev+0x102/0x170 [ 5885.164681][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5885.164681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5885.164681][ T10] netlink_rcv_skb+0x130/0x360 [ 5885.164681][ T10] netlink_unicast+0x449/0x710 [ 5885.164681][ T10] netlink_sendmsg+0x723/0xbe0 [ 5885.164681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5885.164681][ T10] ___sys_sendmsg+0xee/0x170 [ 5885.164681][ T10] __sys_sendmsg+0xcd/0x170 [ 5885.164681][ T10] do_syscall_64+0xc6/0x1e0 [ 5885.164681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5885.164681][ T10] [ 5885.793128][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5885.793637][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5885.793637][ T1167] dst_init+0x84/0x4a0 [ 5885.793637][ T1167] dst_alloc+0x97/0x150 [ 5885.793637][ T1167] ip6_dst_alloc+0x23/0x90 [ 5885.793637][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5885.793637][ T1167] ip6_pol_route+0x56f/0x840 [ 5885.793637][ T1167] fib6_rule_lookup+0x334/0x630 [ 5885.793637][ T1167] ip6_route_output_flags+0x259/0x480 [ 5885.793637][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5885.793637][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5885.793637][ T1167] netlink_rcv_skb+0x130/0x360 [ 5885.793637][ T1167] netlink_unicast+0x449/0x710 [ 5885.793637][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5885.793637][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5885.793637][ T1167] ___sys_sendmsg+0xee/0x170 [ 5885.793637][ T1167] __sys_sendmsg+0xcd/0x170 [ 5885.793637][ T1167] do_syscall_64+0xc6/0x1e0 [ 5885.793637][ T1167] [ 5885.795858][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5885.795858][ T1167] netdev_get_by_index+0x5e/0x80 [ 5885.795858][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5885.795858][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5885.795858][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5885.795858][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5885.795858][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5885.795858][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5885.795858][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5885.795858][ T1167] addrconf_dad_begin+0x310/0x670 [ 5885.795858][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5885.795858][ T1167] process_one_work+0x84d/0x18a0 [ 5885.795858][ T1167] worker_thread+0x587/0xd30 [ 5885.795858][ T1167] kthread+0x28a/0x350 [ 5885.795858][ T1167] ret_from_fork+0x31/0x70 [ 5885.795858][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5885.795858][ T1167] [ 5885.798047][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5885.798047][ T1167] netdev_get_by_index+0x5e/0x80 [ 5885.798047][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5885.798047][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5885.798047][ T1167] ip6_route_add+0x1c/0x140 [ 5885.798047][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5885.798047][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5885.798047][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5885.798047][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5885.798047][ T1167] netlink_rcv_skb+0x130/0x360 [ 5885.798047][ T1167] netlink_unicast+0x449/0x710 [ 5885.798047][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5885.798047][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5885.798047][ T1167] ___sys_sendmsg+0xee/0x170 [ 5885.798047][ T1167] __sys_sendmsg+0xcd/0x170 [ 5885.798047][ T1167] do_syscall_64+0xc6/0x1e0 [ 5885.798047][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5885.798047][ T1167] [ 5885.800307][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5885.800307][ T1167] netdev_get_by_index+0x5e/0x80 [ 5885.800307][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5885.800307][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5885.800307][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5885.800307][ T1167] ipv6_add_addr+0x411/0x2000 [ 5885.800307][ T1167] inet6_addr_add+0x30e/0xa40 [ 5885.800307][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5885.800307][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5885.800307][ T1167] netlink_rcv_skb+0x130/0x360 [ 5885.800307][ T1167] netlink_unicast+0x449/0x710 [ 5885.800307][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5885.800307][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5885.800307][ T1167] ___sys_sendmsg+0xee/0x170 [ 5885.800307][ T1167] __sys_sendmsg+0xcd/0x170 [ 5885.800307][ T1167] do_syscall_64+0xc6/0x1e0 [ 5885.800307][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5885.800307][ T1167] [ 5885.802583][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5885.802583][ T1167] netdev_get_by_index+0x5e/0x80 [ 5885.802583][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5885.802583][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5885.802583][ T1167] ip6_route_add+0x1c/0x140 [ 5885.802583][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5885.802583][ T1167] addrconf_add_dev+0xe2/0x170 [ 5885.802583][ T1167] inet6_addr_add+0x12f/0xa40 [ 5885.802583][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5885.802583][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5885.802583][ T1167] netlink_rcv_skb+0x130/0x360 [ 5885.802583][ T1167] netlink_unicast+0x449/0x710 [ 5885.802583][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5885.802583][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5885.802583][ T1167] ___sys_sendmsg+0xee/0x170 [ 5885.802583][ T1167] __sys_sendmsg+0xcd/0x170 [ 5885.802583][ T1167] do_syscall_64+0xc6/0x1e0 [ 5885.802583][ T1167] [ 5885.804834][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5885.804834][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5885.804834][ T1167] ipv6_find_idev+0x102/0x170 [ 5885.804834][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5885.804834][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5885.804834][ T1167] netlink_rcv_skb+0x130/0x360 [ 5885.804834][ T1167] netlink_unicast+0x449/0x710 [ 5885.804834][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5885.804834][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5885.804834][ T1167] ___sys_sendmsg+0xee/0x170 [ 5885.804834][ T1167] __sys_sendmsg+0xcd/0x170 [ 5885.804834][ T1167] do_syscall_64+0xc6/0x1e0 [ 5885.804834][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5885.804834][ T1167] [ 5885.806576][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5885.806576][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5885.806576][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5885.806576][ T1167] ipv6_find_idev+0x102/0x170 [ 5885.806576][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5885.806576][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5885.806576][ T1167] netlink_rcv_skb+0x130/0x360 [ 5885.806576][ T1167] netlink_unicast+0x449/0x710 [ 5885.806576][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5885.806576][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5885.806576][ T1167] ___sys_sendmsg+0xee/0x170 [ 5885.806576][ T1167] __sys_sendmsg+0xcd/0x170 [ 5885.806576][ T1167] do_syscall_64+0xc6/0x1e0 [ 5885.806576][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5885.806576][ T1167] [ 5895.409116][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5895.409523][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5895.409523][ T10] netdev_get_by_index+0x5e/0x80 [ 5895.409523][ T10] fib6_nh_init+0x3d8/0x1580 [ 5895.409523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5895.409523][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5895.409523][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5895.409523][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5895.409523][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5895.409523][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5895.409523][ T10] addrconf_dad_begin+0x310/0x670 [ 5895.409523][ T10] addrconf_dad_work+0x10b/0xab0 [ 5895.409523][ T10] process_one_work+0x84d/0x18a0 [ 5895.409523][ T10] worker_thread+0x587/0xd30 [ 5895.409523][ T10] kthread+0x28a/0x350 [ 5895.409523][ T10] ret_from_fork+0x31/0x70 [ 5895.409523][ T10] ret_from_fork_asm+0x1a/0x30 [ 5895.409523][ T10] [ 5895.411488][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5895.411488][ T10] netdev_get_by_index+0x5e/0x80 [ 5895.411488][ T10] fib6_nh_init+0x3d8/0x1580 [ 5895.411488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5895.411488][ T10] ip6_route_add+0x1c/0x140 [ 5895.411488][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5895.411488][ T10] inet6_addr_add+0x4f8/0xa40 [ 5895.411488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5895.411488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.411488][ T10] netlink_rcv_skb+0x130/0x360 [ 5895.411488][ T10] netlink_unicast+0x449/0x710 [ 5895.411488][ T10] netlink_sendmsg+0x723/0xbe0 [ 5895.411488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5895.411488][ T10] ___sys_sendmsg+0xee/0x170 [ 5895.411488][ T10] __sys_sendmsg+0xcd/0x170 [ 5895.411488][ T10] do_syscall_64+0xc6/0x1e0 [ 5895.411488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.411488][ T10] [ 5895.413501][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5895.413501][ T10] netdev_get_by_index+0x5e/0x80 [ 5895.413501][ T10] fib6_nh_init+0x3d8/0x1580 [ 5895.413501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5895.413501][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5895.413501][ T10] ipv6_add_addr+0x411/0x2000 [ 5895.413501][ T10] inet6_addr_add+0x30e/0xa40 [ 5895.413501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5895.413501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.413501][ T10] netlink_rcv_skb+0x130/0x360 [ 5895.413501][ T10] netlink_unicast+0x449/0x710 [ 5895.413501][ T10] netlink_sendmsg+0x723/0xbe0 [ 5895.413501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5895.413501][ T10] ___sys_sendmsg+0xee/0x170 [ 5895.413501][ T10] __sys_sendmsg+0xcd/0x170 [ 5895.413501][ T10] do_syscall_64+0xc6/0x1e0 [ 5895.413501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.413501][ T10] [ 5895.415507][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5895.415507][ T10] netdev_get_by_index+0x5e/0x80 [ 5895.415507][ T10] fib6_nh_init+0x3d8/0x1580 [ 5895.415507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5895.415507][ T10] ip6_route_add+0x1c/0x140 [ 5895.415507][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5895.415507][ T10] addrconf_add_dev+0xe2/0x170 [ 5895.415507][ T10] inet6_addr_add+0x12f/0xa40 [ 5895.415507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5895.415507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.415507][ T10] netlink_rcv_skb+0x130/0x360 [ 5895.415507][ T10] netlink_unicast+0x449/0x710 [ 5895.415507][ T10] netlink_sendmsg+0x723/0xbe0 [ 5895.415507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5895.415507][ T10] ___sys_sendmsg+0xee/0x170 [ 5895.415507][ T10] __sys_sendmsg+0xcd/0x170 [ 5895.415507][ T10] do_syscall_64+0xc6/0x1e0 [ 5895.415507][ T10] [ 5895.417474][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5895.417474][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5895.417474][ T10] ipv6_find_idev+0x102/0x170 [ 5895.417474][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5895.417474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.417474][ T10] netlink_rcv_skb+0x130/0x360 [ 5895.417474][ T10] netlink_unicast+0x449/0x710 [ 5895.417474][ T10] netlink_sendmsg+0x723/0xbe0 [ 5895.417474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5895.417474][ T10] ___sys_sendmsg+0xee/0x170 [ 5895.417474][ T10] __sys_sendmsg+0xcd/0x170 [ 5895.417474][ T10] do_syscall_64+0xc6/0x1e0 [ 5895.417474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.417474][ T10] [ 5895.419021][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5895.419021][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5895.419021][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5895.419021][ T10] ipv6_find_idev+0x102/0x170 [ 5895.419021][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5895.419021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.419021][ T10] netlink_rcv_skb+0x130/0x360 [ 5895.419021][ T10] netlink_unicast+0x449/0x710 [ 5895.419021][ T10] netlink_sendmsg+0x723/0xbe0 [ 5895.419021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5895.419021][ T10] ___sys_sendmsg+0xee/0x170 [ 5895.419021][ T10] __sys_sendmsg+0xcd/0x170 [ 5895.419021][ T10] do_syscall_64+0xc6/0x1e0 [ 5895.419021][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.419021][ T10] [ 5895.420714][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5895.420964][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5895.420964][ T10] netdev_get_by_index+0x5e/0x80 [ 5895.420964][ T10] fib6_nh_init+0x3d8/0x1580 [ 5895.420964][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5895.420964][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5895.420964][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5895.420964][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5895.420964][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5895.420964][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5895.420964][ T10] addrconf_dad_begin+0x310/0x670 [ 5895.420964][ T10] addrconf_dad_work+0x10b/0xab0 [ 5895.420964][ T10] process_one_work+0x84d/0x18a0 [ 5895.420964][ T10] worker_thread+0x587/0xd30 [ 5895.420964][ T10] kthread+0x28a/0x350 [ 5895.420964][ T10] ret_from_fork+0x31/0x70 [ 5895.420964][ T10] ret_from_fork_asm+0x1a/0x30 [ 5895.420964][ T10] [ 5895.422872][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5895.422872][ T10] netdev_get_by_index+0x5e/0x80 [ 5895.422872][ T10] fib6_nh_init+0x3d8/0x1580 [ 5895.422872][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5895.422872][ T10] ip6_route_add+0x1c/0x140 [ 5895.422872][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5895.422872][ T10] inet6_addr_add+0x4f8/0xa40 [ 5895.422872][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5895.422872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.422872][ T10] netlink_rcv_skb+0x130/0x360 [ 5895.422872][ T10] netlink_unicast+0x449/0x710 [ 5895.422872][ T10] netlink_sendmsg+0x723/0xbe0 [ 5895.422872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5895.422872][ T10] ___sys_sendmsg+0xee/0x170 [ 5895.422872][ T10] __sys_sendmsg+0xcd/0x170 [ 5895.422872][ T10] do_syscall_64+0xc6/0x1e0 [ 5895.422872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.422872][ T10] [ 5895.424873][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5895.424873][ T10] netdev_get_by_index+0x5e/0x80 [ 5895.424873][ T10] fib6_nh_init+0x3d8/0x1580 [ 5895.424873][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5895.424873][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5895.424873][ T10] ipv6_add_addr+0x411/0x2000 [ 5895.424873][ T10] inet6_addr_add+0x30e/0xa40 [ 5895.424873][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5895.424873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.424873][ T10] netlink_rcv_skb+0x130/0x360 [ 5895.424873][ T10] netlink_unicast+0x449/0x710 [ 5895.424873][ T10] netlink_sendmsg+0x723/0xbe0 [ 5895.424873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5895.424873][ T10] ___sys_sendmsg+0xee/0x170 [ 5895.424873][ T10] __sys_sendmsg+0xcd/0x170 [ 5895.424873][ T10] do_syscall_64+0xc6/0x1e0 [ 5895.424873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.424873][ T10] [ 5895.426860][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5895.426860][ T10] netdev_get_by_index+0x5e/0x80 [ 5895.426860][ T10] fib6_nh_init+0x3d8/0x1580 [ 5895.426860][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5895.426860][ T10] ip6_route_add+0x1c/0x140 [ 5895.426860][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5895.426860][ T10] addrconf_add_dev+0xe2/0x170 [ 5895.426860][ T10] inet6_addr_add+0x12f/0xa40 [ 5895.426860][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5895.426860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.426860][ T10] netlink_rcv_skb+0x130/0x360 [ 5895.426860][ T10] netlink_unicast+0x449/0x710 [ 5895.426860][ T10] netlink_sendmsg+0x723/0xbe0 [ 5895.426860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5895.426860][ T10] ___sys_sendmsg+0xee/0x170 [ 5895.426860][ T10] __sys_sendmsg+0xcd/0x170 [ 5895.426860][ T10] do_syscall_64+0xc6/0x1e0 [ 5895.426860][ T10] [ 5895.428837][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5895.428837][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5895.428837][ T10] ipv6_find_idev+0x102/0x170 [ 5895.428837][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5895.428837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.428837][ T10] netlink_rcv_skb+0x130/0x360 [ 5895.428837][ T10] netlink_unicast+0x449/0x710 [ 5895.428837][ T10] netlink_sendmsg+0x723/0xbe0 [ 5895.428837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5895.428837][ T10] ___sys_sendmsg+0xee/0x170 [ 5895.428837][ T10] __sys_sendmsg+0xcd/0x170 [ 5895.428837][ T10] do_syscall_64+0xc6/0x1e0 [ 5895.428837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.428837][ T10] [ 5895.430377][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5895.430377][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5895.430377][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5895.430377][ T10] ipv6_find_idev+0x102/0x170 [ 5895.430377][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5895.430377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.430377][ T10] netlink_rcv_skb+0x130/0x360 [ 5895.430377][ T10] netlink_unicast+0x449/0x710 [ 5895.430377][ T10] netlink_sendmsg+0x723/0xbe0 [ 5895.430377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5895.430377][ T10] ___sys_sendmsg+0xee/0x170 [ 5895.430377][ T10] __sys_sendmsg+0xcd/0x170 [ 5895.430377][ T10] do_syscall_64+0xc6/0x1e0 [ 5895.430377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.430377][ T10] [ 5895.432054][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5895.432297][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5895.432297][ T10] netdev_get_by_index+0x5e/0x80 [ 5895.432297][ T10] fib6_nh_init+0x3d8/0x1580 [ 5895.432297][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5895.432297][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5895.432297][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5895.432297][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5895.432297][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5895.432297][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5895.432297][ T10] addrconf_dad_begin+0x310/0x670 [ 5895.432297][ T10] addrconf_dad_work+0x10b/0xab0 [ 5895.432297][ T10] process_one_work+0x84d/0x18a0 [ 5895.432297][ T10] worker_thread+0x587/0xd30 [ 5895.432297][ T10] kthread+0x28a/0x350 [ 5895.432297][ T10] ret_from_fork+0x31/0x70 [ 5895.432297][ T10] ret_from_fork_asm+0x1a/0x30 [ 5895.432297][ T10] [ 5895.434199][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5895.434199][ T10] netdev_get_by_index+0x5e/0x80 [ 5895.434199][ T10] fib6_nh_init+0x3d8/0x1580 [ 5895.434199][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5895.434199][ T10] ip6_route_add+0x1c/0x140 [ 5895.434199][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5895.434199][ T10] inet6_addr_add+0x4f8/0xa40 [ 5895.434199][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5895.434199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.434199][ T10] netlink_rcv_skb+0x130/0x360 [ 5895.434199][ T10] netlink_unicast+0x449/0x710 [ 5895.434199][ T10] netlink_sendmsg+0x723/0xbe0 [ 5895.434199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5895.434199][ T10] ___sys_sendmsg+0xee/0x170 [ 5895.434199][ T10] __sys_sendmsg+0xcd/0x170 [ 5895.434199][ T10] do_syscall_64+0xc6/0x1e0 [ 5895.434199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.434199][ T10] [ 5895.436310][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5895.436310][ T10] netdev_get_by_index+0x5e/0x80 [ 5895.436310][ T10] fib6_nh_init+0x3d8/0x1580 [ 5895.436310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5895.436310][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5895.436310][ T10] ipv6_add_addr+0x411/0x2000 [ 5895.436310][ T10] inet6_addr_add+0x30e/0xa40 [ 5895.436310][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5895.436310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.436310][ T10] netlink_rcv_skb+0x130/0x360 [ 5895.436310][ T10] netlink_unicast+0x449/0x710 [ 5895.436310][ T10] netlink_sendmsg+0x723/0xbe0 [ 5895.436310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5895.436310][ T10] ___sys_sendmsg+0xee/0x170 [ 5895.436310][ T10] __sys_sendmsg+0xcd/0x170 [ 5895.436310][ T10] do_syscall_64+0xc6/0x1e0 [ 5895.436310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.436310][ T10] [ 5895.438598][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5895.438598][ T10] netdev_get_by_index+0x5e/0x80 [ 5895.438598][ T10] fib6_nh_init+0x3d8/0x1580 [ 5895.438598][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5895.438598][ T10] ip6_route_add+0x1c/0x140 [ 5895.438598][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5895.438598][ T10] addrconf_add_dev+0xe2/0x170 [ 5895.438598][ T10] inet6_addr_add+0x12f/0xa40 [ 5895.438598][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5895.438598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.438598][ T10] netlink_rcv_skb+0x130/0x360 [ 5895.438598][ T10] netlink_unicast+0x449/0x710 [ 5895.438598][ T10] netlink_sendmsg+0x723/0xbe0 [ 5895.438598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5895.438598][ T10] ___sys_sendmsg+0xee/0x170 [ 5895.438598][ T10] __sys_sendmsg+0xcd/0x170 [ 5895.438598][ T10] do_syscall_64+0xc6/0x1e0 [ 5895.438598][ T10] [ 5895.440809][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5895.440809][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5895.440809][ T10] ipv6_find_idev+0x102/0x170 [ 5895.440809][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5895.440809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.440809][ T10] netlink_rcv_skb+0x130/0x360 [ 5895.440809][ T10] netlink_unicast+0x449/0x710 [ 5895.440809][ T10] netlink_sendmsg+0x723/0xbe0 [ 5895.440809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5895.440809][ T10] ___sys_sendmsg+0xee/0x170 [ 5895.440809][ T10] __sys_sendmsg+0xcd/0x170 [ 5895.440809][ T10] do_syscall_64+0xc6/0x1e0 [ 5895.440809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.440809][ T10] [ 5895.442527][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5895.442527][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5895.442527][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5895.442527][ T10] ipv6_find_idev+0x102/0x170 [ 5895.442527][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5895.442527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.442527][ T10] netlink_rcv_skb+0x130/0x360 [ 5895.442527][ T10] netlink_unicast+0x449/0x710 [ 5895.442527][ T10] netlink_sendmsg+0x723/0xbe0 [ 5895.442527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5895.442527][ T10] ___sys_sendmsg+0xee/0x170 [ 5895.442527][ T10] __sys_sendmsg+0xcd/0x170 [ 5895.442527][ T10] do_syscall_64+0xc6/0x1e0 [ 5895.442527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.442527][ T10] [ 5895.444335][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5895.444580][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5895.444580][ T10] netdev_get_by_index+0x5e/0x80 [ 5895.444580][ T10] fib6_nh_init+0x3d8/0x1580 [ 5895.444580][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5895.444580][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5895.444580][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5895.444580][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5895.444580][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5895.444580][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5895.444580][ T10] addrconf_dad_begin+0x310/0x670 [ 5895.444580][ T10] addrconf_dad_work+0x10b/0xab0 [ 5895.444580][ T10] process_one_work+0x84d/0x18a0 [ 5895.444580][ T10] worker_thread+0x587/0xd30 [ 5895.444580][ T10] kthread+0x28a/0x350 [ 5895.444580][ T10] ret_from_fork+0x31/0x70 [ 5895.444580][ T10] ret_from_fork_asm+0x1a/0x30 [ 5895.444580][ T10] [ 5895.446810][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5895.446810][ T10] netdev_get_by_index+0x5e/0x80 [ 5895.446810][ T10] fib6_nh_init+0x3d8/0x1580 [ 5895.446810][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5895.446810][ T10] ip6_route_add+0x1c/0x140 [ 5895.446810][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5895.446810][ T10] inet6_addr_add+0x4f8/0xa40 [ 5895.446810][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5895.446810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.446810][ T10] netlink_rcv_skb+0x130/0x360 [ 5895.446810][ T10] netlink_unicast+0x449/0x710 [ 5895.446810][ T10] netlink_sendmsg+0x723/0xbe0 [ 5895.446810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5895.446810][ T10] ___sys_sendmsg+0xee/0x170 [ 5895.446810][ T10] __sys_sendmsg+0xcd/0x170 [ 5895.446810][ T10] do_syscall_64+0xc6/0x1e0 [ 5895.446810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.446810][ T10] [ 5895.449034][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5895.449034][ T10] netdev_get_by_index+0x5e/0x80 [ 5895.449034][ T10] fib6_nh_init+0x3d8/0x1580 [ 5895.449034][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5895.449034][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5895.449034][ T10] ipv6_add_addr+0x411/0x2000 [ 5895.449034][ T10] inet6_addr_add+0x30e/0xa40 [ 5895.449034][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5895.449034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.449034][ T10] netlink_rcv_skb+0x130/0x360 [ 5895.449034][ T10] netlink_unicast+0x449/0x710 [ 5895.449034][ T10] netlink_sendmsg+0x723/0xbe0 [ 5895.449034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5895.449034][ T10] ___sys_sendmsg+0xee/0x170 [ 5895.449034][ T10] __sys_sendmsg+0xcd/0x170 [ 5895.449034][ T10] do_syscall_64+0xc6/0x1e0 [ 5895.449034][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.449034][ T10] [ 5895.451257][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5895.451257][ T10] netdev_get_by_index+0x5e/0x80 [ 5895.451257][ T10] fib6_nh_init+0x3d8/0x1580 [ 5895.451257][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5895.451257][ T10] ip6_route_add+0x1c/0x140 [ 5895.451257][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5895.451257][ T10] addrconf_add_dev+0xe2/0x170 [ 5895.451257][ T10] inet6_addr_add+0x12f/0xa40 [ 5895.451257][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5895.451257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.451257][ T10] netlink_rcv_skb+0x130/0x360 [ 5895.451257][ T10] netlink_unicast+0x449/0x710 [ 5895.451257][ T10] netlink_sendmsg+0x723/0xbe0 [ 5895.451257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5895.451257][ T10] ___sys_sendmsg+0xee/0x170 [ 5895.451257][ T10] __sys_sendmsg+0xcd/0x170 [ 5895.451257][ T10] do_syscall_64+0xc6/0x1e0 [ 5895.451257][ T10] [ 5895.453372][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5895.453372][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5895.453372][ T10] ipv6_find_idev+0x102/0x170 [ 5895.453372][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5895.453372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.453372][ T10] netlink_rcv_skb+0x130/0x360 [ 5895.453372][ T10] netlink_unicast+0x449/0x710 [ 5895.453372][ T10] netlink_sendmsg+0x723/0xbe0 [ 5895.453372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5895.453372][ T10] ___sys_sendmsg+0xee/0x170 [ 5895.453372][ T10] __sys_sendmsg+0xcd/0x170 [ 5895.453372][ T10] do_syscall_64+0xc6/0x1e0 [ 5895.453372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.453372][ T10] [ 5895.455074][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5895.455074][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5895.455074][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5895.455074][ T10] ipv6_find_idev+0x102/0x170 [ 5895.455074][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5895.455074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.455074][ T10] netlink_rcv_skb+0x130/0x360 [ 5895.455074][ T10] netlink_unicast+0x449/0x710 [ 5895.455074][ T10] netlink_sendmsg+0x723/0xbe0 [ 5895.455074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5895.455074][ T10] ___sys_sendmsg+0xee/0x170 [ 5895.455074][ T10] __sys_sendmsg+0xcd/0x170 [ 5895.455074][ T10] do_syscall_64+0xc6/0x1e0 [ 5895.455074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.455074][ T10] [ 5895.921111][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5895.921596][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5895.921596][ T1167] dst_init+0x84/0x4a0 [ 5895.921596][ T1167] dst_alloc+0x97/0x150 [ 5895.921596][ T1167] ip6_dst_alloc+0x23/0x90 [ 5895.921596][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5895.921596][ T1167] ip6_pol_route+0x56f/0x840 [ 5895.921596][ T1167] fib6_rule_lookup+0x334/0x630 [ 5895.921596][ T1167] ip6_route_output_flags+0x259/0x480 [ 5895.921596][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5895.921596][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5895.921596][ T1167] netlink_rcv_skb+0x130/0x360 [ 5895.921596][ T1167] netlink_unicast+0x449/0x710 [ 5895.921596][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5895.921596][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5895.921596][ T1167] ___sys_sendmsg+0xee/0x170 [ 5895.921596][ T1167] __sys_sendmsg+0xcd/0x170 [ 5895.921596][ T1167] do_syscall_64+0xc6/0x1e0 [ 5895.921596][ T1167] [ 5895.924059][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5895.924059][ T1167] netdev_get_by_index+0x5e/0x80 [ 5895.924059][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5895.924059][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5895.924059][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5895.924059][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5895.924059][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5895.924059][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5895.924059][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5895.924059][ T1167] addrconf_dad_begin+0x310/0x670 [ 5895.924059][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5895.924059][ T1167] process_one_work+0x84d/0x18a0 [ 5895.924059][ T1167] worker_thread+0x587/0xd30 [ 5895.924059][ T1167] kthread+0x28a/0x350 [ 5895.924059][ T1167] ret_from_fork+0x31/0x70 [ 5895.924059][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5895.924059][ T1167] [ 5895.926441][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5895.926441][ T1167] netdev_get_by_index+0x5e/0x80 [ 5895.926441][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5895.926441][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5895.926441][ T1167] ip6_route_add+0x1c/0x140 [ 5895.926441][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5895.926441][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5895.926441][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5895.926441][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.926441][ T1167] netlink_rcv_skb+0x130/0x360 [ 5895.926441][ T1167] netlink_unicast+0x449/0x710 [ 5895.926441][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5895.926441][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5895.926441][ T1167] ___sys_sendmsg+0xee/0x170 [ 5895.926441][ T1167] __sys_sendmsg+0xcd/0x170 [ 5895.926441][ T1167] do_syscall_64+0xc6/0x1e0 [ 5895.926441][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.926441][ T1167] [ 5895.928933][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5895.928933][ T1167] netdev_get_by_index+0x5e/0x80 [ 5895.928933][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5895.928933][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5895.928933][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5895.928933][ T1167] ipv6_add_addr+0x411/0x2000 [ 5895.928933][ T1167] inet6_addr_add+0x30e/0xa40 [ 5895.928933][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5895.928933][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.928933][ T1167] netlink_rcv_skb+0x130/0x360 [ 5895.928933][ T1167] netlink_unicast+0x449/0x710 [ 5895.928933][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5895.928933][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5895.928933][ T1167] ___sys_sendmsg+0xee/0x170 [ 5895.928933][ T1167] __sys_sendmsg+0xcd/0x170 [ 5895.928933][ T1167] do_syscall_64+0xc6/0x1e0 [ 5895.928933][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.928933][ T1167] [ 5895.931507][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5895.931507][ T1167] netdev_get_by_index+0x5e/0x80 [ 5895.931507][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5895.931507][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5895.931507][ T1167] ip6_route_add+0x1c/0x140 [ 5895.931507][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5895.931507][ T1167] addrconf_add_dev+0xe2/0x170 [ 5895.931507][ T1167] inet6_addr_add+0x12f/0xa40 [ 5895.931507][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5895.931507][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.931507][ T1167] netlink_rcv_skb+0x130/0x360 [ 5895.931507][ T1167] netlink_unicast+0x449/0x710 [ 5895.931507][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5895.931507][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5895.931507][ T1167] ___sys_sendmsg+0xee/0x170 [ 5895.931507][ T1167] __sys_sendmsg+0xcd/0x170 [ 5895.931507][ T1167] do_syscall_64+0xc6/0x1e0 [ 5895.931507][ T1167] [ 5895.933963][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5895.933963][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5895.933963][ T1167] ipv6_find_idev+0x102/0x170 [ 5895.933963][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5895.933963][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.933963][ T1167] netlink_rcv_skb+0x130/0x360 [ 5895.933963][ T1167] netlink_unicast+0x449/0x710 [ 5895.933963][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5895.933963][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5895.933963][ T1167] ___sys_sendmsg+0xee/0x170 [ 5895.933963][ T1167] __sys_sendmsg+0xcd/0x170 [ 5895.933963][ T1167] do_syscall_64+0xc6/0x1e0 [ 5895.933963][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.933963][ T1167] [ 5895.935881][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5895.935881][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5895.935881][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5895.935881][ T1167] ipv6_find_idev+0x102/0x170 [ 5895.935881][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5895.935881][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.935881][ T1167] netlink_rcv_skb+0x130/0x360 [ 5895.935881][ T1167] netlink_unicast+0x449/0x710 [ 5895.935881][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5895.935881][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5895.935881][ T1167] ___sys_sendmsg+0xee/0x170 [ 5895.935881][ T1167] __sys_sendmsg+0xcd/0x170 [ 5895.935881][ T1167] do_syscall_64+0xc6/0x1e0 [ 5895.935881][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.935881][ T1167] [ 5905.697138][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5905.697585][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5905.697585][ T10] netdev_get_by_index+0x5e/0x80 [ 5905.697585][ T10] fib6_nh_init+0x3d8/0x1580 [ 5905.697585][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5905.697585][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5905.697585][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5905.697585][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5905.697585][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5905.697585][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5905.697585][ T10] addrconf_dad_begin+0x310/0x670 [ 5905.697585][ T10] addrconf_dad_work+0x10b/0xab0 [ 5905.697585][ T10] process_one_work+0x84d/0x18a0 [ 5905.697585][ T10] worker_thread+0x587/0xd30 [ 5905.697585][ T10] kthread+0x28a/0x350 [ 5905.697585][ T10] ret_from_fork+0x31/0x70 [ 5905.697585][ T10] ret_from_fork_asm+0x1a/0x30 [ 5905.697585][ T10] [ 5905.699504][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5905.699504][ T10] netdev_get_by_index+0x5e/0x80 [ 5905.699504][ T10] fib6_nh_init+0x3d8/0x1580 [ 5905.699504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5905.699504][ T10] ip6_route_add+0x1c/0x140 [ 5905.699504][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5905.699504][ T10] inet6_addr_add+0x4f8/0xa40 [ 5905.699504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5905.699504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.699504][ T10] netlink_rcv_skb+0x130/0x360 [ 5905.699504][ T10] netlink_unicast+0x449/0x710 [ 5905.699504][ T10] netlink_sendmsg+0x723/0xbe0 [ 5905.699504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5905.699504][ T10] ___sys_sendmsg+0xee/0x170 [ 5905.699504][ T10] __sys_sendmsg+0xcd/0x170 [ 5905.699504][ T10] do_syscall_64+0xc6/0x1e0 [ 5905.699504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.699504][ T10] [ 5905.701493][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5905.701493][ T10] netdev_get_by_index+0x5e/0x80 [ 5905.701493][ T10] fib6_nh_init+0x3d8/0x1580 [ 5905.701493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5905.701493][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5905.701493][ T10] ipv6_add_addr+0x411/0x2000 [ 5905.701493][ T10] inet6_addr_add+0x30e/0xa40 [ 5905.701493][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5905.701493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.701493][ T10] netlink_rcv_skb+0x130/0x360 [ 5905.701493][ T10] netlink_unicast+0x449/0x710 [ 5905.701493][ T10] netlink_sendmsg+0x723/0xbe0 [ 5905.701493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5905.701493][ T10] ___sys_sendmsg+0xee/0x170 [ 5905.701493][ T10] __sys_sendmsg+0xcd/0x170 [ 5905.701493][ T10] do_syscall_64+0xc6/0x1e0 [ 5905.701493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.701493][ T10] [ 5905.703466][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5905.703466][ T10] netdev_get_by_index+0x5e/0x80 [ 5905.703466][ T10] fib6_nh_init+0x3d8/0x1580 [ 5905.703466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5905.703466][ T10] ip6_route_add+0x1c/0x140 [ 5905.703466][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5905.703466][ T10] addrconf_add_dev+0xe2/0x170 [ 5905.703466][ T10] inet6_addr_add+0x12f/0xa40 [ 5905.703466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5905.703466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.703466][ T10] netlink_rcv_skb+0x130/0x360 [ 5905.703466][ T10] netlink_unicast+0x449/0x710 [ 5905.703466][ T10] netlink_sendmsg+0x723/0xbe0 [ 5905.703466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5905.703466][ T10] ___sys_sendmsg+0xee/0x170 [ 5905.703466][ T10] __sys_sendmsg+0xcd/0x170 [ 5905.703466][ T10] do_syscall_64+0xc6/0x1e0 [ 5905.703466][ T10] [ 5905.705406][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5905.705406][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5905.705406][ T10] ipv6_find_idev+0x102/0x170 [ 5905.705406][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5905.705406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.705406][ T10] netlink_rcv_skb+0x130/0x360 [ 5905.705406][ T10] netlink_unicast+0x449/0x710 [ 5905.705406][ T10] netlink_sendmsg+0x723/0xbe0 [ 5905.705406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5905.705406][ T10] ___sys_sendmsg+0xee/0x170 [ 5905.705406][ T10] __sys_sendmsg+0xcd/0x170 [ 5905.705406][ T10] do_syscall_64+0xc6/0x1e0 [ 5905.705406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.705406][ T10] [ 5905.706922][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5905.706922][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5905.706922][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5905.706922][ T10] ipv6_find_idev+0x102/0x170 [ 5905.706922][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5905.706922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.706922][ T10] netlink_rcv_skb+0x130/0x360 [ 5905.706922][ T10] netlink_unicast+0x449/0x710 [ 5905.706922][ T10] netlink_sendmsg+0x723/0xbe0 [ 5905.706922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5905.706922][ T10] ___sys_sendmsg+0xee/0x170 [ 5905.706922][ T10] __sys_sendmsg+0xcd/0x170 [ 5905.706922][ T10] do_syscall_64+0xc6/0x1e0 [ 5905.706922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.706922][ T10] [ 5905.708590][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5905.708869][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5905.708869][ T10] netdev_get_by_index+0x5e/0x80 [ 5905.708869][ T10] fib6_nh_init+0x3d8/0x1580 [ 5905.708869][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5905.708869][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5905.708869][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5905.708869][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5905.708869][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5905.708869][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5905.708869][ T10] addrconf_dad_begin+0x310/0x670 [ 5905.708869][ T10] addrconf_dad_work+0x10b/0xab0 [ 5905.708869][ T10] process_one_work+0x84d/0x18a0 [ 5905.708869][ T10] worker_thread+0x587/0xd30 [ 5905.708869][ T10] kthread+0x28a/0x350 [ 5905.708869][ T10] ret_from_fork+0x31/0x70 [ 5905.708869][ T10] ret_from_fork_asm+0x1a/0x30 [ 5905.708869][ T10] [ 5905.710781][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5905.710781][ T10] netdev_get_by_index+0x5e/0x80 [ 5905.710781][ T10] fib6_nh_init+0x3d8/0x1580 [ 5905.710781][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5905.710781][ T10] ip6_route_add+0x1c/0x140 [ 5905.710781][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5905.710781][ T10] inet6_addr_add+0x4f8/0xa40 [ 5905.710781][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5905.710781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.710781][ T10] netlink_rcv_skb+0x130/0x360 [ 5905.710781][ T10] netlink_unicast+0x449/0x710 [ 5905.710781][ T10] netlink_sendmsg+0x723/0xbe0 [ 5905.710781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5905.710781][ T10] ___sys_sendmsg+0xee/0x170 [ 5905.710781][ T10] __sys_sendmsg+0xcd/0x170 [ 5905.710781][ T10] do_syscall_64+0xc6/0x1e0 [ 5905.710781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.710781][ T10] [ 5905.712756][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5905.712756][ T10] netdev_get_by_index+0x5e/0x80 [ 5905.712756][ T10] fib6_nh_init+0x3d8/0x1580 [ 5905.712756][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5905.712756][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5905.712756][ T10] ipv6_add_addr+0x411/0x2000 [ 5905.712756][ T10] inet6_addr_add+0x30e/0xa40 [ 5905.712756][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5905.712756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.712756][ T10] netlink_rcv_skb+0x130/0x360 [ 5905.712756][ T10] netlink_unicast+0x449/0x710 [ 5905.712756][ T10] netlink_sendmsg+0x723/0xbe0 [ 5905.712756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5905.712756][ T10] ___sys_sendmsg+0xee/0x170 [ 5905.712756][ T10] __sys_sendmsg+0xcd/0x170 [ 5905.712756][ T10] do_syscall_64+0xc6/0x1e0 [ 5905.712756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.712756][ T10] [ 5905.714752][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5905.714752][ T10] netdev_get_by_index+0x5e/0x80 [ 5905.714752][ T10] fib6_nh_init+0x3d8/0x1580 [ 5905.714752][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5905.714752][ T10] ip6_route_add+0x1c/0x140 [ 5905.714752][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5905.714752][ T10] addrconf_add_dev+0xe2/0x170 [ 5905.714752][ T10] inet6_addr_add+0x12f/0xa40 [ 5905.714752][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5905.714752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.714752][ T10] netlink_rcv_skb+0x130/0x360 [ 5905.714752][ T10] netlink_unicast+0x449/0x710 [ 5905.714752][ T10] netlink_sendmsg+0x723/0xbe0 [ 5905.714752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5905.714752][ T10] ___sys_sendmsg+0xee/0x170 [ 5905.714752][ T10] __sys_sendmsg+0xcd/0x170 [ 5905.714752][ T10] do_syscall_64+0xc6/0x1e0 [ 5905.714752][ T10] [ 5905.716715][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5905.716715][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5905.716715][ T10] ipv6_find_idev+0x102/0x170 [ 5905.716715][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5905.716715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.716715][ T10] netlink_rcv_skb+0x130/0x360 [ 5905.716715][ T10] netlink_unicast+0x449/0x710 [ 5905.716715][ T10] netlink_sendmsg+0x723/0xbe0 [ 5905.716715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5905.716715][ T10] ___sys_sendmsg+0xee/0x170 [ 5905.716715][ T10] __sys_sendmsg+0xcd/0x170 [ 5905.716715][ T10] do_syscall_64+0xc6/0x1e0 [ 5905.716715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.716715][ T10] [ 5905.718250][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5905.718250][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5905.718250][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5905.718250][ T10] ipv6_find_idev+0x102/0x170 [ 5905.718250][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5905.718250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.718250][ T10] netlink_rcv_skb+0x130/0x360 [ 5905.718250][ T10] netlink_unicast+0x449/0x710 [ 5905.718250][ T10] netlink_sendmsg+0x723/0xbe0 [ 5905.718250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5905.718250][ T10] ___sys_sendmsg+0xee/0x170 [ 5905.718250][ T10] __sys_sendmsg+0xcd/0x170 [ 5905.718250][ T10] do_syscall_64+0xc6/0x1e0 [ 5905.718250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.718250][ T10] [ 5905.719930][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5905.720176][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5905.720176][ T10] netdev_get_by_index+0x5e/0x80 [ 5905.720176][ T10] fib6_nh_init+0x3d8/0x1580 [ 5905.720176][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5905.720176][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5905.720176][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5905.720176][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5905.720176][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5905.720176][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5905.720176][ T10] addrconf_dad_begin+0x310/0x670 [ 5905.720176][ T10] addrconf_dad_work+0x10b/0xab0 [ 5905.720176][ T10] process_one_work+0x84d/0x18a0 [ 5905.720176][ T10] worker_thread+0x587/0xd30 [ 5905.720176][ T10] kthread+0x28a/0x350 [ 5905.720176][ T10] ret_from_fork+0x31/0x70 [ 5905.720176][ T10] ret_from_fork_asm+0x1a/0x30 [ 5905.720176][ T10] [ 5905.722098][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5905.722098][ T10] netdev_get_by_index+0x5e/0x80 [ 5905.722098][ T10] fib6_nh_init+0x3d8/0x1580 [ 5905.722098][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5905.722098][ T10] ip6_route_add+0x1c/0x140 [ 5905.722098][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5905.722098][ T10] inet6_addr_add+0x4f8/0xa40 [ 5905.722098][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5905.722098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.722098][ T10] netlink_rcv_skb+0x130/0x360 [ 5905.722098][ T10] netlink_unicast+0x449/0x710 [ 5905.722098][ T10] netlink_sendmsg+0x723/0xbe0 [ 5905.722098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5905.722098][ T10] ___sys_sendmsg+0xee/0x170 [ 5905.722098][ T10] __sys_sendmsg+0xcd/0x170 [ 5905.722098][ T10] do_syscall_64+0xc6/0x1e0 [ 5905.722098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.722098][ T10] [ 5905.724279][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5905.724279][ T10] netdev_get_by_index+0x5e/0x80 [ 5905.724279][ T10] fib6_nh_init+0x3d8/0x1580 [ 5905.724279][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5905.724279][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5905.724279][ T10] ipv6_add_addr+0x411/0x2000 [ 5905.724279][ T10] inet6_addr_add+0x30e/0xa40 [ 5905.724279][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5905.724279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.724279][ T10] netlink_rcv_skb+0x130/0x360 [ 5905.724279][ T10] netlink_unicast+0x449/0x710 [ 5905.724279][ T10] netlink_sendmsg+0x723/0xbe0 [ 5905.724279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5905.724279][ T10] ___sys_sendmsg+0xee/0x170 [ 5905.724279][ T10] __sys_sendmsg+0xcd/0x170 [ 5905.724279][ T10] do_syscall_64+0xc6/0x1e0 [ 5905.724279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.724279][ T10] [ 5905.726499][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5905.726499][ T10] netdev_get_by_index+0x5e/0x80 [ 5905.726499][ T10] fib6_nh_init+0x3d8/0x1580 [ 5905.726499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5905.726499][ T10] ip6_route_add+0x1c/0x140 [ 5905.726499][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5905.726499][ T10] addrconf_add_dev+0xe2/0x170 [ 5905.726499][ T10] inet6_addr_add+0x12f/0xa40 [ 5905.726499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5905.726499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.726499][ T10] netlink_rcv_skb+0x130/0x360 [ 5905.726499][ T10] netlink_unicast+0x449/0x710 [ 5905.726499][ T10] netlink_sendmsg+0x723/0xbe0 [ 5905.726499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5905.726499][ T10] ___sys_sendmsg+0xee/0x170 [ 5905.726499][ T10] __sys_sendmsg+0xcd/0x170 [ 5905.726499][ T10] do_syscall_64+0xc6/0x1e0 [ 5905.726499][ T10] [ 5905.728695][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5905.728695][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5905.728695][ T10] ipv6_find_idev+0x102/0x170 [ 5905.728695][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5905.728695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.728695][ T10] netlink_rcv_skb+0x130/0x360 [ 5905.728695][ T10] netlink_unicast+0x449/0x710 [ 5905.728695][ T10] netlink_sendmsg+0x723/0xbe0 [ 5905.728695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5905.728695][ T10] ___sys_sendmsg+0xee/0x170 [ 5905.728695][ T10] __sys_sendmsg+0xcd/0x170 [ 5905.728695][ T10] do_syscall_64+0xc6/0x1e0 [ 5905.728695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.728695][ T10] [ 5905.730418][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5905.730418][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5905.730418][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5905.730418][ T10] ipv6_find_idev+0x102/0x170 [ 5905.730418][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5905.730418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.730418][ T10] netlink_rcv_skb+0x130/0x360 [ 5905.730418][ T10] netlink_unicast+0x449/0x710 [ 5905.730418][ T10] netlink_sendmsg+0x723/0xbe0 [ 5905.730418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5905.730418][ T10] ___sys_sendmsg+0xee/0x170 [ 5905.730418][ T10] __sys_sendmsg+0xcd/0x170 [ 5905.730418][ T10] do_syscall_64+0xc6/0x1e0 [ 5905.730418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.730418][ T10] [ 5905.732340][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5905.732574][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5905.732574][ T10] netdev_get_by_index+0x5e/0x80 [ 5905.732574][ T10] fib6_nh_init+0x3d8/0x1580 [ 5905.732574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5905.732574][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5905.732574][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5905.732574][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5905.732574][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5905.732574][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5905.732574][ T10] addrconf_dad_begin+0x310/0x670 [ 5905.732574][ T10] addrconf_dad_work+0x10b/0xab0 [ 5905.732574][ T10] process_one_work+0x84d/0x18a0 [ 5905.732574][ T10] worker_thread+0x587/0xd30 [ 5905.732574][ T10] kthread+0x28a/0x350 [ 5905.732574][ T10] ret_from_fork+0x31/0x70 [ 5905.732574][ T10] ret_from_fork_asm+0x1a/0x30 [ 5905.732574][ T10] [ 5905.734736][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5905.734736][ T10] netdev_get_by_index+0x5e/0x80 [ 5905.734736][ T10] fib6_nh_init+0x3d8/0x1580 [ 5905.734736][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5905.734736][ T10] ip6_route_add+0x1c/0x140 [ 5905.734736][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5905.734736][ T10] inet6_addr_add+0x4f8/0xa40 [ 5905.734736][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5905.734736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.734736][ T10] netlink_rcv_skb+0x130/0x360 [ 5905.734736][ T10] netlink_unicast+0x449/0x710 [ 5905.734736][ T10] netlink_sendmsg+0x723/0xbe0 [ 5905.734736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5905.734736][ T10] ___sys_sendmsg+0xee/0x170 [ 5905.734736][ T10] __sys_sendmsg+0xcd/0x170 [ 5905.734736][ T10] do_syscall_64+0xc6/0x1e0 [ 5905.734736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.734736][ T10] [ 5905.736976][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5905.736976][ T10] netdev_get_by_index+0x5e/0x80 [ 5905.736976][ T10] fib6_nh_init+0x3d8/0x1580 [ 5905.736976][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5905.736976][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5905.736976][ T10] ipv6_add_addr+0x411/0x2000 [ 5905.736976][ T10] inet6_addr_add+0x30e/0xa40 [ 5905.736976][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5905.736976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.736976][ T10] netlink_rcv_skb+0x130/0x360 [ 5905.736976][ T10] netlink_unicast+0x449/0x710 [ 5905.736976][ T10] netlink_sendmsg+0x723/0xbe0 [ 5905.736976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5905.736976][ T10] ___sys_sendmsg+0xee/0x170 [ 5905.736976][ T10] __sys_sendmsg+0xcd/0x170 [ 5905.736976][ T10] do_syscall_64+0xc6/0x1e0 [ 5905.736976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.736976][ T10] [ 5905.739239][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5905.739239][ T10] netdev_get_by_index+0x5e/0x80 [ 5905.739239][ T10] fib6_nh_init+0x3d8/0x1580 [ 5905.739239][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5905.739239][ T10] ip6_route_add+0x1c/0x140 [ 5905.739239][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5905.739239][ T10] addrconf_add_dev+0xe2/0x170 [ 5905.739239][ T10] inet6_addr_add+0x12f/0xa40 [ 5905.739239][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5905.739239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.739239][ T10] netlink_rcv_skb+0x130/0x360 [ 5905.739239][ T10] netlink_unicast+0x449/0x710 [ 5905.739239][ T10] netlink_sendmsg+0x723/0xbe0 [ 5905.739239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5905.739239][ T10] ___sys_sendmsg+0xee/0x170 [ 5905.739239][ T10] __sys_sendmsg+0xcd/0x170 [ 5905.739239][ T10] do_syscall_64+0xc6/0x1e0 [ 5905.739239][ T10] [ 5905.741383][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5905.741383][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5905.741383][ T10] ipv6_find_idev+0x102/0x170 [ 5905.741383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5905.741383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.741383][ T10] netlink_rcv_skb+0x130/0x360 [ 5905.741383][ T10] netlink_unicast+0x449/0x710 [ 5905.741383][ T10] netlink_sendmsg+0x723/0xbe0 [ 5905.741383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5905.741383][ T10] ___sys_sendmsg+0xee/0x170 [ 5905.741383][ T10] __sys_sendmsg+0xcd/0x170 [ 5905.741383][ T10] do_syscall_64+0xc6/0x1e0 [ 5905.741383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.741383][ T10] [ 5905.743155][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5905.743155][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5905.743155][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5905.743155][ T10] ipv6_find_idev+0x102/0x170 [ 5905.743155][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5905.743155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.743155][ T10] netlink_rcv_skb+0x130/0x360 [ 5905.743155][ T10] netlink_unicast+0x449/0x710 [ 5905.743155][ T10] netlink_sendmsg+0x723/0xbe0 [ 5905.743155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5905.743155][ T10] ___sys_sendmsg+0xee/0x170 [ 5905.743155][ T10] __sys_sendmsg+0xcd/0x170 [ 5905.743155][ T10] do_syscall_64+0xc6/0x1e0 [ 5905.743155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.743155][ T10] [ 5906.185137][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5906.185653][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5906.185653][ T1167] dst_init+0x84/0x4a0 [ 5906.185653][ T1167] dst_alloc+0x97/0x150 [ 5906.185653][ T1167] ip6_dst_alloc+0x23/0x90 [ 5906.185653][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5906.185653][ T1167] ip6_pol_route+0x56f/0x840 [ 5906.185653][ T1167] fib6_rule_lookup+0x334/0x630 [ 5906.185653][ T1167] ip6_route_output_flags+0x259/0x480 [ 5906.185653][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5906.185653][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5906.185653][ T1167] netlink_rcv_skb+0x130/0x360 [ 5906.185653][ T1167] netlink_unicast+0x449/0x710 [ 5906.185653][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5906.185653][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5906.185653][ T1167] ___sys_sendmsg+0xee/0x170 [ 5906.185653][ T1167] __sys_sendmsg+0xcd/0x170 [ 5906.185653][ T1167] do_syscall_64+0xc6/0x1e0 [ 5906.185653][ T1167] [ 5906.188138][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5906.188138][ T1167] netdev_get_by_index+0x5e/0x80 [ 5906.188138][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5906.188138][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5906.188138][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5906.188138][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5906.188138][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5906.188138][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5906.188138][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5906.188138][ T1167] addrconf_dad_begin+0x310/0x670 [ 5906.188138][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5906.188138][ T1167] process_one_work+0x84d/0x18a0 [ 5906.188138][ T1167] worker_thread+0x587/0xd30 [ 5906.188138][ T1167] kthread+0x28a/0x350 [ 5906.188138][ T1167] ret_from_fork+0x31/0x70 [ 5906.188138][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5906.188138][ T1167] [ 5906.190570][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5906.190570][ T1167] netdev_get_by_index+0x5e/0x80 [ 5906.190570][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5906.190570][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5906.190570][ T1167] ip6_route_add+0x1c/0x140 [ 5906.190570][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5906.190570][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5906.190570][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5906.190570][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5906.190570][ T1167] netlink_rcv_skb+0x130/0x360 [ 5906.190570][ T1167] netlink_unicast+0x449/0x710 [ 5906.190570][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5906.190570][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5906.190570][ T1167] ___sys_sendmsg+0xee/0x170 [ 5906.190570][ T1167] __sys_sendmsg+0xcd/0x170 [ 5906.190570][ T1167] do_syscall_64+0xc6/0x1e0 [ 5906.190570][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5906.190570][ T1167] [ 5906.193054][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5906.193054][ T1167] netdev_get_by_index+0x5e/0x80 [ 5906.193054][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5906.193054][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5906.193054][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5906.193054][ T1167] ipv6_add_addr+0x411/0x2000 [ 5906.193054][ T1167] inet6_addr_add+0x30e/0xa40 [ 5906.193054][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5906.193054][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5906.193054][ T1167] netlink_rcv_skb+0x130/0x360 [ 5906.193054][ T1167] netlink_unicast+0x449/0x710 [ 5906.193054][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5906.193054][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5906.193054][ T1167] ___sys_sendmsg+0xee/0x170 [ 5906.193054][ T1167] __sys_sendmsg+0xcd/0x170 [ 5906.193054][ T1167] do_syscall_64+0xc6/0x1e0 [ 5906.193054][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5906.193054][ T1167] [ 5906.195541][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5906.195541][ T1167] netdev_get_by_index+0x5e/0x80 [ 5906.195541][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5906.195541][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5906.195541][ T1167] ip6_route_add+0x1c/0x140 [ 5906.195541][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5906.195541][ T1167] addrconf_add_dev+0xe2/0x170 [ 5906.195541][ T1167] inet6_addr_add+0x12f/0xa40 [ 5906.195541][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5906.195541][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5906.195541][ T1167] netlink_rcv_skb+0x130/0x360 [ 5906.195541][ T1167] netlink_unicast+0x449/0x710 [ 5906.195541][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5906.195541][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5906.195541][ T1167] ___sys_sendmsg+0xee/0x170 [ 5906.195541][ T1167] __sys_sendmsg+0xcd/0x170 [ 5906.195541][ T1167] do_syscall_64+0xc6/0x1e0 [ 5906.195541][ T1167] [ 5906.198003][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5906.198003][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5906.198003][ T1167] ipv6_find_idev+0x102/0x170 [ 5906.198003][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5906.198003][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5906.198003][ T1167] netlink_rcv_skb+0x130/0x360 [ 5906.198003][ T1167] netlink_unicast+0x449/0x710 [ 5906.198003][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5906.198003][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5906.198003][ T1167] ___sys_sendmsg+0xee/0x170 [ 5906.198003][ T1167] __sys_sendmsg+0xcd/0x170 [ 5906.198003][ T1167] do_syscall_64+0xc6/0x1e0 [ 5906.198003][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5906.198003][ T1167] [ 5906.199908][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5906.199908][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5906.199908][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5906.199908][ T1167] ipv6_find_idev+0x102/0x170 [ 5906.199908][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5906.199908][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5906.199908][ T1167] netlink_rcv_skb+0x130/0x360 [ 5906.199908][ T1167] netlink_unicast+0x449/0x710 [ 5906.199908][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5906.199908][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5906.199908][ T1167] ___sys_sendmsg+0xee/0x170 [ 5906.199908][ T1167] __sys_sendmsg+0xcd/0x170 [ 5906.199908][ T1167] do_syscall_64+0xc6/0x1e0 [ 5906.199908][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5906.199908][ T1167] [ 5915.985120][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5915.985527][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5915.985527][ T10] netdev_get_by_index+0x5e/0x80 [ 5915.985527][ T10] fib6_nh_init+0x3d8/0x1580 [ 5915.985527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5915.985527][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5915.985527][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5915.985527][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5915.985527][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5915.985527][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5915.985527][ T10] addrconf_dad_begin+0x310/0x670 [ 5915.985527][ T10] addrconf_dad_work+0x10b/0xab0 [ 5915.985527][ T10] process_one_work+0x84d/0x18a0 [ 5915.985527][ T10] worker_thread+0x587/0xd30 [ 5915.985527][ T10] kthread+0x28a/0x350 [ 5915.985527][ T10] ret_from_fork+0x31/0x70 [ 5915.985527][ T10] ret_from_fork_asm+0x1a/0x30 [ 5915.985527][ T10] [ 5915.987473][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5915.987473][ T10] netdev_get_by_index+0x5e/0x80 [ 5915.987473][ T10] fib6_nh_init+0x3d8/0x1580 [ 5915.987473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5915.987473][ T10] ip6_route_add+0x1c/0x140 [ 5915.987473][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5915.987473][ T10] inet6_addr_add+0x4f8/0xa40 [ 5915.987473][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5915.987473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5915.987473][ T10] netlink_rcv_skb+0x130/0x360 [ 5915.987473][ T10] netlink_unicast+0x449/0x710 [ 5915.987473][ T10] netlink_sendmsg+0x723/0xbe0 [ 5915.987473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5915.987473][ T10] ___sys_sendmsg+0xee/0x170 [ 5915.987473][ T10] __sys_sendmsg+0xcd/0x170 [ 5915.987473][ T10] do_syscall_64+0xc6/0x1e0 [ 5915.987473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5915.987473][ T10] [ 5915.989467][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5915.989467][ T10] netdev_get_by_index+0x5e/0x80 [ 5915.989467][ T10] fib6_nh_init+0x3d8/0x1580 [ 5915.989467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5915.989467][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5915.989467][ T10] ipv6_add_addr+0x411/0x2000 [ 5915.989467][ T10] inet6_addr_add+0x30e/0xa40 [ 5915.989467][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5915.989467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5915.989467][ T10] netlink_rcv_skb+0x130/0x360 [ 5915.989467][ T10] netlink_unicast+0x449/0x710 [ 5915.989467][ T10] netlink_sendmsg+0x723/0xbe0 [ 5915.989467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5915.989467][ T10] ___sys_sendmsg+0xee/0x170 [ 5915.989467][ T10] __sys_sendmsg+0xcd/0x170 [ 5915.989467][ T10] do_syscall_64+0xc6/0x1e0 [ 5915.989467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5915.989467][ T10] [ 5915.991459][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5915.991459][ T10] netdev_get_by_index+0x5e/0x80 [ 5915.991459][ T10] fib6_nh_init+0x3d8/0x1580 [ 5915.991459][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5915.991459][ T10] ip6_route_add+0x1c/0x140 [ 5915.991459][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5915.991459][ T10] addrconf_add_dev+0xe2/0x170 [ 5915.991459][ T10] inet6_addr_add+0x12f/0xa40 [ 5915.991459][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5915.991459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5915.991459][ T10] netlink_rcv_skb+0x130/0x360 [ 5915.991459][ T10] netlink_unicast+0x449/0x710 [ 5915.991459][ T10] netlink_sendmsg+0x723/0xbe0 [ 5915.991459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5915.991459][ T10] ___sys_sendmsg+0xee/0x170 [ 5915.991459][ T10] __sys_sendmsg+0xcd/0x170 [ 5915.991459][ T10] do_syscall_64+0xc6/0x1e0 [ 5915.991459][ T10] [ 5915.993932][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5915.993932][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5915.993932][ T10] ipv6_find_idev+0x102/0x170 [ 5915.993932][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5915.993932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5915.993932][ T10] netlink_rcv_skb+0x130/0x360 [ 5915.993932][ T10] netlink_unicast+0x449/0x710 [ 5915.993932][ T10] netlink_sendmsg+0x723/0xbe0 [ 5915.993932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5915.993932][ T10] ___sys_sendmsg+0xee/0x170 [ 5915.993932][ T10] __sys_sendmsg+0xcd/0x170 [ 5915.993932][ T10] do_syscall_64+0xc6/0x1e0 [ 5915.993932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5915.993932][ T10] [ 5915.995452][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5915.995452][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5915.995452][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5915.995452][ T10] ipv6_find_idev+0x102/0x170 [ 5915.995452][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5915.995452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5915.995452][ T10] netlink_rcv_skb+0x130/0x360 [ 5915.995452][ T10] netlink_unicast+0x449/0x710 [ 5915.995452][ T10] netlink_sendmsg+0x723/0xbe0 [ 5915.995452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5915.995452][ T10] ___sys_sendmsg+0xee/0x170 [ 5915.995452][ T10] __sys_sendmsg+0xcd/0x170 [ 5915.995452][ T10] do_syscall_64+0xc6/0x1e0 [ 5915.995452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5915.995452][ T10] [ 5915.997127][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5915.997366][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5915.997366][ T10] netdev_get_by_index+0x5e/0x80 [ 5915.997366][ T10] fib6_nh_init+0x3d8/0x1580 [ 5915.997366][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5915.997366][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5915.997366][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5915.997366][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5915.997366][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5915.997366][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5915.997366][ T10] addrconf_dad_begin+0x310/0x670 [ 5915.997366][ T10] addrconf_dad_work+0x10b/0xab0 [ 5915.997366][ T10] process_one_work+0x84d/0x18a0 [ 5915.997366][ T10] worker_thread+0x587/0xd30 [ 5915.997366][ T10] kthread+0x28a/0x350 [ 5915.997366][ T10] ret_from_fork+0x31/0x70 [ 5915.997366][ T10] ret_from_fork_asm+0x1a/0x30 [ 5915.997366][ T10] [ 5915.999253][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5915.999253][ T10] netdev_get_by_index+0x5e/0x80 [ 5915.999253][ T10] fib6_nh_init+0x3d8/0x1580 [ 5915.999253][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5915.999253][ T10] ip6_route_add+0x1c/0x140 [ 5915.999253][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5915.999253][ T10] inet6_addr_add+0x4f8/0xa40 [ 5915.999253][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5915.999253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5915.999253][ T10] netlink_rcv_skb+0x130/0x360 [ 5915.999253][ T10] netlink_unicast+0x449/0x710 [ 5915.999253][ T10] netlink_sendmsg+0x723/0xbe0 [ 5915.999253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5915.999253][ T10] ___sys_sendmsg+0xee/0x170 [ 5915.999253][ T10] __sys_sendmsg+0xcd/0x170 [ 5915.999253][ T10] do_syscall_64+0xc6/0x1e0 [ 5915.999253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5915.999253][ T10] [ 5916.001256][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5916.001256][ T10] netdev_get_by_index+0x5e/0x80 [ 5916.001256][ T10] fib6_nh_init+0x3d8/0x1580 [ 5916.001256][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5916.001256][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5916.001256][ T10] ipv6_add_addr+0x411/0x2000 [ 5916.001256][ T10] inet6_addr_add+0x30e/0xa40 [ 5916.001256][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5916.001256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5916.001256][ T10] netlink_rcv_skb+0x130/0x360 [ 5916.001256][ T10] netlink_unicast+0x449/0x710 [ 5916.001256][ T10] netlink_sendmsg+0x723/0xbe0 [ 5916.001256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5916.001256][ T10] ___sys_sendmsg+0xee/0x170 [ 5916.001256][ T10] __sys_sendmsg+0xcd/0x170 [ 5916.001256][ T10] do_syscall_64+0xc6/0x1e0 [ 5916.001256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5916.001256][ T10] [ 5916.003238][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5916.003238][ T10] netdev_get_by_index+0x5e/0x80 [ 5916.003238][ T10] fib6_nh_init+0x3d8/0x1580 [ 5916.003238][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5916.003238][ T10] ip6_route_add+0x1c/0x140 [ 5916.003238][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5916.003238][ T10] addrconf_add_dev+0xe2/0x170 [ 5916.003238][ T10] inet6_addr_add+0x12f/0xa40 [ 5916.003238][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5916.003238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5916.003238][ T10] netlink_rcv_skb+0x130/0x360 [ 5916.003238][ T10] netlink_unicast+0x449/0x710 [ 5916.003238][ T10] netlink_sendmsg+0x723/0xbe0 [ 5916.003238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5916.003238][ T10] ___sys_sendmsg+0xee/0x170 [ 5916.003238][ T10] __sys_sendmsg+0xcd/0x170 [ 5916.003238][ T10] do_syscall_64+0xc6/0x1e0 [ 5916.003238][ T10] [ 5916.007443][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5916.007443][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5916.007443][ T10] ipv6_find_idev+0x102/0x170 [ 5916.007443][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5916.007443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5916.007443][ T10] netlink_rcv_skb+0x130/0x360 [ 5916.007443][ T10] netlink_unicast+0x449/0x710 [ 5916.007443][ T10] netlink_sendmsg+0x723/0xbe0 [ 5916.007443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5916.007443][ T10] ___sys_sendmsg+0xee/0x170 [ 5916.007443][ T10] __sys_sendmsg+0xcd/0x170 [ 5916.007443][ T10] do_syscall_64+0xc6/0x1e0 [ 5916.007443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5916.007443][ T10] [ 5916.008996][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5916.008996][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5916.008996][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5916.008996][ T10] ipv6_find_idev+0x102/0x170 [ 5916.008996][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5916.008996][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5916.008996][ T10] netlink_rcv_skb+0x130/0x360 [ 5916.008996][ T10] netlink_unicast+0x449/0x710 [ 5916.008996][ T10] netlink_sendmsg+0x723/0xbe0 [ 5916.008996][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5916.008996][ T10] ___sys_sendmsg+0xee/0x170 [ 5916.008996][ T10] __sys_sendmsg+0xcd/0x170 [ 5916.008996][ T10] do_syscall_64+0xc6/0x1e0 [ 5916.008996][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5916.008996][ T10] [ 5916.010691][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5916.010943][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5916.010943][ T10] netdev_get_by_index+0x5e/0x80 [ 5916.010943][ T10] fib6_nh_init+0x3d8/0x1580 [ 5916.010943][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5916.010943][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5916.010943][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5916.010943][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5916.010943][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5916.010943][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5916.010943][ T10] addrconf_dad_begin+0x310/0x670 [ 5916.010943][ T10] addrconf_dad_work+0x10b/0xab0 [ 5916.010943][ T10] process_one_work+0x84d/0x18a0 [ 5916.010943][ T10] worker_thread+0x587/0xd30 [ 5916.010943][ T10] kthread+0x28a/0x350 [ 5916.010943][ T10] ret_from_fork+0x31/0x70 [ 5916.010943][ T10] ret_from_fork_asm+0x1a/0x30 [ 5916.010943][ T10] [ 5916.012850][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5916.012850][ T10] netdev_get_by_index+0x5e/0x80 [ 5916.012850][ T10] fib6_nh_init+0x3d8/0x1580 [ 5916.012850][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5916.012850][ T10] ip6_route_add+0x1c/0x140 [ 5916.012850][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5916.012850][ T10] inet6_addr_add+0x4f8/0xa40 [ 5916.012850][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5916.012850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5916.012850][ T10] netlink_rcv_skb+0x130/0x360 [ 5916.012850][ T10] netlink_unicast+0x449/0x710 [ 5916.012850][ T10] netlink_sendmsg+0x723/0xbe0 [ 5916.012850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5916.012850][ T10] ___sys_sendmsg+0xee/0x170 [ 5916.012850][ T10] __sys_sendmsg+0xcd/0x170 [ 5916.012850][ T10] do_syscall_64+0xc6/0x1e0 [ 5916.012850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5916.012850][ T10] [ 5916.015049][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5916.015049][ T10] netdev_get_by_index+0x5e/0x80 [ 5916.015049][ T10] fib6_nh_init+0x3d8/0x1580 [ 5916.015049][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5916.015049][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5916.015049][ T10] ipv6_add_addr+0x411/0x2000 [ 5916.015049][ T10] inet6_addr_add+0x30e/0xa40 [ 5916.015049][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5916.015049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5916.015049][ T10] netlink_rcv_skb+0x130/0x360 [ 5916.015049][ T10] netlink_unicast+0x449/0x710 [ 5916.015049][ T10] netlink_sendmsg+0x723/0xbe0 [ 5916.015049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5916.015049][ T10] ___sys_sendmsg+0xee/0x170 [ 5916.015049][ T10] __sys_sendmsg+0xcd/0x170 [ 5916.015049][ T10] do_syscall_64+0xc6/0x1e0 [ 5916.015049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5916.015049][ T10] [ 5916.017283][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5916.017283][ T10] netdev_get_by_index+0x5e/0x80 [ 5916.017283][ T10] fib6_nh_init+0x3d8/0x1580 [ 5916.017283][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5916.017283][ T10] ip6_route_add+0x1c/0x140 [ 5916.017283][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5916.017283][ T10] addrconf_add_dev+0xe2/0x170 [ 5916.017283][ T10] inet6_addr_add+0x12f/0xa40 [ 5916.017283][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5916.017283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5916.017283][ T10] netlink_rcv_skb+0x130/0x360 [ 5916.017283][ T10] netlink_unicast+0x449/0x710 [ 5916.017283][ T10] netlink_sendmsg+0x723/0xbe0 [ 5916.017283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5916.017283][ T10] ___sys_sendmsg+0xee/0x170 [ 5916.017283][ T10] __sys_sendmsg+0xcd/0x170 [ 5916.017283][ T10] do_syscall_64+0xc6/0x1e0 [ 5916.017283][ T10] [ 5916.019497][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5916.019497][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5916.019497][ T10] ipv6_find_idev+0x102/0x170 [ 5916.019497][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5916.019497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5916.019497][ T10] netlink_rcv_skb+0x130/0x360 [ 5916.019497][ T10] netlink_unicast+0x449/0x710 [ 5916.019497][ T10] netlink_sendmsg+0x723/0xbe0 [ 5916.019497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5916.019497][ T10] ___sys_sendmsg+0xee/0x170 [ 5916.019497][ T10] __sys_sendmsg+0xcd/0x170 [ 5916.019497][ T10] do_syscall_64+0xc6/0x1e0 [ 5916.019497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5916.019497][ T10] [ 5916.021295][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5916.021295][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5916.021295][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5916.021295][ T10] ipv6_find_idev+0x102/0x170 [ 5916.021295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5916.021295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5916.021295][ T10] netlink_rcv_skb+0x130/0x360 [ 5916.021295][ T10] netlink_unicast+0x449/0x710 [ 5916.021295][ T10] netlink_sendmsg+0x723/0xbe0 [ 5916.021295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5916.021295][ T10] ___sys_sendmsg+0xee/0x170 [ 5916.021295][ T10] __sys_sendmsg+0xcd/0x170 [ 5916.021295][ T10] do_syscall_64+0xc6/0x1e0 [ 5916.021295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5916.021295][ T10] [ 5916.023170][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5916.023403][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5916.023403][ T10] netdev_get_by_index+0x5e/0x80 [ 5916.023403][ T10] fib6_nh_init+0x3d8/0x1580 [ 5916.023403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5916.023403][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5916.023403][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5916.023403][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5916.023403][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5916.023403][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5916.023403][ T10] addrconf_dad_begin+0x310/0x670 [ 5916.023403][ T10] addrconf_dad_work+0x10b/0xab0 [ 5916.023403][ T10] process_one_work+0x84d/0x18a0 [ 5916.023403][ T10] worker_thread+0x587/0xd30 [ 5916.023403][ T10] kthread+0x28a/0x350 [ 5916.023403][ T10] ret_from_fork+0x31/0x70 [ 5916.023403][ T10] ret_from_fork_asm+0x1a/0x30 [ 5916.023403][ T10] [ 5916.025564][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5916.025564][ T10] netdev_get_by_index+0x5e/0x80 [ 5916.025564][ T10] fib6_nh_init+0x3d8/0x1580 [ 5916.025564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5916.025564][ T10] ip6_route_add+0x1c/0x140 [ 5916.025564][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5916.025564][ T10] inet6_addr_add+0x4f8/0xa40 [ 5916.025564][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5916.025564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5916.025564][ T10] netlink_rcv_skb+0x130/0x360 [ 5916.025564][ T10] netlink_unicast+0x449/0x710 [ 5916.025564][ T10] netlink_sendmsg+0x723/0xbe0 [ 5916.025564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5916.025564][ T10] ___sys_sendmsg+0xee/0x170 [ 5916.025564][ T10] __sys_sendmsg+0xcd/0x170 [ 5916.025564][ T10] do_syscall_64+0xc6/0x1e0 [ 5916.025564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5916.025564][ T10] [ 5916.027801][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5916.027801][ T10] netdev_get_by_index+0x5e/0x80 [ 5916.027801][ T10] fib6_nh_init+0x3d8/0x1580 [ 5916.027801][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5916.027801][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5916.027801][ T10] ipv6_add_addr+0x411/0x2000 [ 5916.027801][ T10] inet6_addr_add+0x30e/0xa40 [ 5916.027801][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5916.027801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5916.027801][ T10] netlink_rcv_skb+0x130/0x360 [ 5916.027801][ T10] netlink_unicast+0x449/0x710 [ 5916.027801][ T10] netlink_sendmsg+0x723/0xbe0 [ 5916.027801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5916.027801][ T10] ___sys_sendmsg+0xee/0x170 [ 5916.027801][ T10] __sys_sendmsg+0xcd/0x170 [ 5916.027801][ T10] do_syscall_64+0xc6/0x1e0 [ 5916.027801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5916.027801][ T10] [ 5916.030119][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5916.030119][ T10] netdev_get_by_index+0x5e/0x80 [ 5916.030119][ T10] fib6_nh_init+0x3d8/0x1580 [ 5916.030119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5916.030119][ T10] ip6_route_add+0x1c/0x140 [ 5916.030119][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5916.030119][ T10] addrconf_add_dev+0xe2/0x170 [ 5916.030119][ T10] inet6_addr_add+0x12f/0xa40 [ 5916.030119][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5916.030119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5916.030119][ T10] netlink_rcv_skb+0x130/0x360 [ 5916.030119][ T10] netlink_unicast+0x449/0x710 [ 5916.030119][ T10] netlink_sendmsg+0x723/0xbe0 [ 5916.030119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5916.030119][ T10] ___sys_sendmsg+0xee/0x170 [ 5916.030119][ T10] __sys_sendmsg+0xcd/0x170 [ 5916.030119][ T10] do_syscall_64+0xc6/0x1e0 [ 5916.030119][ T10] [ 5916.032279][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5916.032279][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5916.032279][ T10] ipv6_find_idev+0x102/0x170 [ 5916.032279][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5916.032279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5916.032279][ T10] netlink_rcv_skb+0x130/0x360 [ 5916.032279][ T10] netlink_unicast+0x449/0x710 [ 5916.032279][ T10] netlink_sendmsg+0x723/0xbe0 [ 5916.032279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5916.032279][ T10] ___sys_sendmsg+0xee/0x170 [ 5916.032279][ T10] __sys_sendmsg+0xcd/0x170 [ 5916.032279][ T10] do_syscall_64+0xc6/0x1e0 [ 5916.032279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5916.032279][ T10] [ 5916.034004][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5916.034004][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5916.034004][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5916.034004][ T10] ipv6_find_idev+0x102/0x170 [ 5916.034004][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5916.034004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5916.034004][ T10] netlink_rcv_skb+0x130/0x360 [ 5916.034004][ T10] netlink_unicast+0x449/0x710 [ 5916.034004][ T10] netlink_sendmsg+0x723/0xbe0 [ 5916.034004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5916.034004][ T10] ___sys_sendmsg+0xee/0x170 [ 5916.034004][ T10] __sys_sendmsg+0xcd/0x170 [ 5916.034004][ T10] do_syscall_64+0xc6/0x1e0 [ 5916.034004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5916.034004][ T10] [ 5916.449179][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5916.449679][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5916.449679][ T1167] dst_init+0x84/0x4a0 [ 5916.449679][ T1167] dst_alloc+0x97/0x150 [ 5916.449679][ T1167] ip6_dst_alloc+0x23/0x90 [ 5916.449679][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5916.449679][ T1167] ip6_pol_route+0x56f/0x840 [ 5916.449679][ T1167] fib6_rule_lookup+0x334/0x630 [ 5916.449679][ T1167] ip6_route_output_flags+0x259/0x480 [ 5916.449679][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5916.449679][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5916.449679][ T1167] netlink_rcv_skb+0x130/0x360 [ 5916.449679][ T1167] netlink_unicast+0x449/0x710 [ 5916.449679][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5916.449679][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5916.449679][ T1167] ___sys_sendmsg+0xee/0x170 [ 5916.449679][ T1167] __sys_sendmsg+0xcd/0x170 [ 5916.449679][ T1167] do_syscall_64+0xc6/0x1e0 [ 5916.449679][ T1167] [ 5916.452170][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5916.452170][ T1167] netdev_get_by_index+0x5e/0x80 [ 5916.452170][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5916.452170][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5916.452170][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5916.452170][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5916.452170][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5916.452170][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5916.452170][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5916.452170][ T1167] addrconf_dad_begin+0x310/0x670 [ 5916.452170][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5916.452170][ T1167] process_one_work+0x84d/0x18a0 [ 5916.452170][ T1167] worker_thread+0x587/0xd30 [ 5916.452170][ T1167] kthread+0x28a/0x350 [ 5916.452170][ T1167] ret_from_fork+0x31/0x70 [ 5916.452170][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5916.452170][ T1167] [ 5916.454550][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5916.454550][ T1167] netdev_get_by_index+0x5e/0x80 [ 5916.454550][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5916.454550][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5916.454550][ T1167] ip6_route_add+0x1c/0x140 [ 5916.454550][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5916.454550][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5916.454550][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5916.454550][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5916.454550][ T1167] netlink_rcv_skb+0x130/0x360 [ 5916.454550][ T1167] netlink_unicast+0x449/0x710 [ 5916.454550][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5916.454550][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5916.454550][ T1167] ___sys_sendmsg+0xee/0x170 [ 5916.454550][ T1167] __sys_sendmsg+0xcd/0x170 [ 5916.454550][ T1167] do_syscall_64+0xc6/0x1e0 [ 5916.454550][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5916.454550][ T1167] [ 5916.457062][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5916.457062][ T1167] netdev_get_by_index+0x5e/0x80 [ 5916.457062][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5916.457062][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5916.457062][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5916.457062][ T1167] ipv6_add_addr+0x411/0x2000 [ 5916.457062][ T1167] inet6_addr_add+0x30e/0xa40 [ 5916.457062][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5916.457062][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5916.457062][ T1167] netlink_rcv_skb+0x130/0x360 [ 5916.457062][ T1167] netlink_unicast+0x449/0x710 [ 5916.457062][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5916.457062][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5916.457062][ T1167] ___sys_sendmsg+0xee/0x170 [ 5916.457062][ T1167] __sys_sendmsg+0xcd/0x170 [ 5916.457062][ T1167] do_syscall_64+0xc6/0x1e0 [ 5916.457062][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5916.457062][ T1167] [ 5916.459566][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5916.459566][ T1167] netdev_get_by_index+0x5e/0x80 [ 5916.459566][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5916.459566][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5916.459566][ T1167] ip6_route_add+0x1c/0x140 [ 5916.459566][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5916.459566][ T1167] addrconf_add_dev+0xe2/0x170 [ 5916.459566][ T1167] inet6_addr_add+0x12f/0xa40 [ 5916.459566][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5916.459566][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5916.459566][ T1167] netlink_rcv_skb+0x130/0x360 [ 5916.459566][ T1167] netlink_unicast+0x449/0x710 [ 5916.459566][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5916.459566][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5916.459566][ T1167] ___sys_sendmsg+0xee/0x170 [ 5916.459566][ T1167] __sys_sendmsg+0xcd/0x170 [ 5916.459566][ T1167] do_syscall_64+0xc6/0x1e0 [ 5916.459566][ T1167] [ 5916.462059][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5916.462059][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5916.462059][ T1167] ipv6_find_idev+0x102/0x170 [ 5916.462059][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5916.462059][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5916.462059][ T1167] netlink_rcv_skb+0x130/0x360 [ 5916.462059][ T1167] netlink_unicast+0x449/0x710 [ 5916.462059][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5916.462059][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5916.462059][ T1167] ___sys_sendmsg+0xee/0x170 [ 5916.462059][ T1167] __sys_sendmsg+0xcd/0x170 [ 5916.462059][ T1167] do_syscall_64+0xc6/0x1e0 [ 5916.462059][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5916.462059][ T1167] [ 5916.464001][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5916.464001][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5916.464001][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5916.464001][ T1167] ipv6_find_idev+0x102/0x170 [ 5916.464001][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5916.464001][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5916.464001][ T1167] netlink_rcv_skb+0x130/0x360 [ 5916.464001][ T1167] netlink_unicast+0x449/0x710 [ 5916.464001][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5916.464001][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5916.464001][ T1167] ___sys_sendmsg+0xee/0x170 [ 5916.464001][ T1167] __sys_sendmsg+0xcd/0x170 [ 5916.464001][ T1167] do_syscall_64+0xc6/0x1e0 [ 5916.464001][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5916.464001][ T1167] [ 5926.273108][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5926.273458][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5926.273458][ T10] netdev_get_by_index+0x5e/0x80 [ 5926.273458][ T10] fib6_nh_init+0x3d8/0x1580 [ 5926.273458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5926.273458][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5926.273458][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5926.273458][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5926.273458][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5926.273458][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5926.273458][ T10] addrconf_dad_begin+0x310/0x670 [ 5926.273458][ T10] addrconf_dad_work+0x10b/0xab0 [ 5926.273458][ T10] process_one_work+0x84d/0x18a0 [ 5926.273458][ T10] worker_thread+0x587/0xd30 [ 5926.273458][ T10] kthread+0x28a/0x350 [ 5926.273458][ T10] ret_from_fork+0x31/0x70 [ 5926.273458][ T10] ret_from_fork_asm+0x1a/0x30 [ 5926.273458][ T10] [ 5926.275418][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5926.275418][ T10] netdev_get_by_index+0x5e/0x80 [ 5926.275418][ T10] fib6_nh_init+0x3d8/0x1580 [ 5926.275418][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5926.275418][ T10] ip6_route_add+0x1c/0x140 [ 5926.275418][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5926.275418][ T10] inet6_addr_add+0x4f8/0xa40 [ 5926.275418][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5926.275418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5926.275418][ T10] netlink_rcv_skb+0x130/0x360 [ 5926.275418][ T10] netlink_unicast+0x449/0x710 [ 5926.275418][ T10] netlink_sendmsg+0x723/0xbe0 [ 5926.275418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5926.275418][ T10] ___sys_sendmsg+0xee/0x170 [ 5926.275418][ T10] __sys_sendmsg+0xcd/0x170 [ 5926.275418][ T10] do_syscall_64+0xc6/0x1e0 [ 5926.275418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5926.275418][ T10] [ 5926.277445][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5926.277445][ T10] netdev_get_by_index+0x5e/0x80 [ 5926.277445][ T10] fib6_nh_init+0x3d8/0x1580 [ 5926.277445][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5926.277445][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5926.277445][ T10] ipv6_add_addr+0x411/0x2000 [ 5926.277445][ T10] inet6_addr_add+0x30e/0xa40 [ 5926.277445][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5926.277445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5926.277445][ T10] netlink_rcv_skb+0x130/0x360 [ 5926.277445][ T10] netlink_unicast+0x449/0x710 [ 5926.277445][ T10] netlink_sendmsg+0x723/0xbe0 [ 5926.277445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5926.277445][ T10] ___sys_sendmsg+0xee/0x170 [ 5926.277445][ T10] __sys_sendmsg+0xcd/0x170 [ 5926.277445][ T10] do_syscall_64+0xc6/0x1e0 [ 5926.277445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5926.277445][ T10] [ 5926.279467][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5926.279467][ T10] netdev_get_by_index+0x5e/0x80 [ 5926.279467][ T10] fib6_nh_init+0x3d8/0x1580 [ 5926.279467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5926.279467][ T10] ip6_route_add+0x1c/0x140 [ 5926.279467][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5926.279467][ T10] addrconf_add_dev+0xe2/0x170 [ 5926.279467][ T10] inet6_addr_add+0x12f/0xa40 [ 5926.279467][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5926.279467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5926.279467][ T10] netlink_rcv_skb+0x130/0x360 [ 5926.279467][ T10] netlink_unicast+0x449/0x710 [ 5926.279467][ T10] netlink_sendmsg+0x723/0xbe0 [ 5926.279467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5926.279467][ T10] ___sys_sendmsg+0xee/0x170 [ 5926.279467][ T10] __sys_sendmsg+0xcd/0x170 [ 5926.279467][ T10] do_syscall_64+0xc6/0x1e0 [ 5926.279467][ T10] [ 5926.281454][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5926.281454][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5926.281454][ T10] ipv6_find_idev+0x102/0x170 [ 5926.281454][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5926.281454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5926.281454][ T10] netlink_rcv_skb+0x130/0x360 [ 5926.281454][ T10] netlink_unicast+0x449/0x710 [ 5926.281454][ T10] netlink_sendmsg+0x723/0xbe0 [ 5926.281454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5926.281454][ T10] ___sys_sendmsg+0xee/0x170 [ 5926.281454][ T10] __sys_sendmsg+0xcd/0x170 [ 5926.281454][ T10] do_syscall_64+0xc6/0x1e0 [ 5926.281454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5926.281454][ T10] [ 5926.283006][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5926.283006][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5926.283006][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5926.283006][ T10] ipv6_find_idev+0x102/0x170 [ 5926.283006][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5926.283006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5926.283006][ T10] netlink_rcv_skb+0x130/0x360 [ 5926.283006][ T10] netlink_unicast+0x449/0x710 [ 5926.283006][ T10] netlink_sendmsg+0x723/0xbe0 [ 5926.283006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5926.283006][ T10] ___sys_sendmsg+0xee/0x170 [ 5926.283006][ T10] __sys_sendmsg+0xcd/0x170 [ 5926.283006][ T10] do_syscall_64+0xc6/0x1e0 [ 5926.283006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5926.283006][ T10] [ 5926.284705][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5926.284963][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5926.284963][ T10] netdev_get_by_index+0x5e/0x80 [ 5926.284963][ T10] fib6_nh_init+0x3d8/0x1580 [ 5926.284963][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5926.284963][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5926.284963][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5926.284963][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5926.284963][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5926.284963][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5926.284963][ T10] addrconf_dad_begin+0x310/0x670 [ 5926.284963][ T10] addrconf_dad_work+0x10b/0xab0 [ 5926.284963][ T10] process_one_work+0x84d/0x18a0 [ 5926.284963][ T10] worker_thread+0x587/0xd30 [ 5926.284963][ T10] kthread+0x28a/0x350 [ 5926.284963][ T10] ret_from_fork+0x31/0x70 [ 5926.284963][ T10] ret_from_fork_asm+0x1a/0x30 [ 5926.284963][ T10] [ 5926.286867][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5926.286867][ T10] netdev_get_by_index+0x5e/0x80 [ 5926.286867][ T10] fib6_nh_init+0x3d8/0x1580 [ 5926.286867][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5926.286867][ T10] ip6_route_add+0x1c/0x140 [ 5926.286867][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5926.286867][ T10] inet6_addr_add+0x4f8/0xa40 [ 5926.286867][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5926.286867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5926.286867][ T10] netlink_rcv_skb+0x130/0x360 [ 5926.286867][ T10] netlink_unicast+0x449/0x710 [ 5926.286867][ T10] netlink_sendmsg+0x723/0xbe0 [ 5926.286867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5926.286867][ T10] ___sys_sendmsg+0xee/0x170 [ 5926.286867][ T10] __sys_sendmsg+0xcd/0x170 [ 5926.286867][ T10] do_syscall_64+0xc6/0x1e0 [ 5926.286867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5926.286867][ T10] [ 5926.288851][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5926.288851][ T10] netdev_get_by_index+0x5e/0x80 [ 5926.288851][ T10] fib6_nh_init+0x3d8/0x1580 [ 5926.288851][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5926.288851][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5926.288851][ T10] ipv6_add_addr+0x411/0x2000 [ 5926.288851][ T10] inet6_addr_add+0x30e/0xa40 [ 5926.288851][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5926.288851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5926.288851][ T10] netlink_rcv_skb+0x130/0x360 [ 5926.288851][ T10] netlink_unicast+0x449/0x710 [ 5926.288851][ T10] netlink_sendmsg+0x723/0xbe0 [ 5926.288851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5926.288851][ T10] ___sys_sendmsg+0xee/0x170 [ 5926.288851][ T10] __sys_sendmsg+0xcd/0x170 [ 5926.288851][ T10] do_syscall_64+0xc6/0x1e0 [ 5926.288851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5926.288851][ T10] [ 5926.290855][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5926.290855][ T10] netdev_get_by_index+0x5e/0x80 [ 5926.290855][ T10] fib6_nh_init+0x3d8/0x1580 [ 5926.290855][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5926.290855][ T10] ip6_route_add+0x1c/0x140 [ 5926.290855][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5926.290855][ T10] addrconf_add_dev+0xe2/0x170 [ 5926.290855][ T10] inet6_addr_add+0x12f/0xa40 [ 5926.290855][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5926.290855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5926.290855][ T10] netlink_rcv_skb+0x130/0x360 [ 5926.290855][ T10] netlink_unicast+0x449/0x710 [ 5926.290855][ T10] netlink_sendmsg+0x723/0xbe0 [ 5926.290855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5926.290855][ T10] ___sys_sendmsg+0xee/0x170 [ 5926.290855][ T10] __sys_sendmsg+0xcd/0x170 [ 5926.290855][ T10] do_syscall_64+0xc6/0x1e0 [ 5926.290855][ T10] [ 5926.292802][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5926.292802][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5926.292802][ T10] ipv6_find_idev+0x102/0x170 [ 5926.292802][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5926.292802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5926.292802][ T10] netlink_rcv_skb+0x130/0x360 [ 5926.292802][ T10] netlink_unicast+0x449/0x710 [ 5926.292802][ T10] netlink_sendmsg+0x723/0xbe0 [ 5926.292802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5926.292802][ T10] ___sys_sendmsg+0xee/0x170 [ 5926.292802][ T10] __sys_sendmsg+0xcd/0x170 [ 5926.292802][ T10] do_syscall_64+0xc6/0x1e0 [ 5926.292802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5926.292802][ T10] [ 5926.294341][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5926.294341][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5926.294341][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5926.294341][ T10] ipv6_find_idev+0x102/0x170 [ 5926.294341][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5926.294341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5926.294341][ T10] netlink_rcv_skb+0x130/0x360 [ 5926.294341][ T10] netlink_unicast+0x449/0x710 [ 5926.294341][ T10] netlink_sendmsg+0x723/0xbe0 [ 5926.294341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5926.294341][ T10] ___sys_sendmsg+0xee/0x170 [ 5926.294341][ T10] __sys_sendmsg+0xcd/0x170 [ 5926.294341][ T10] do_syscall_64+0xc6/0x1e0 [ 5926.294341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5926.294341][ T10] [ 5926.296022][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5926.296270][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5926.296270][ T10] netdev_get_by_index+0x5e/0x80 [ 5926.296270][ T10] fib6_nh_init+0x3d8/0x1580 [ 5926.296270][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5926.296270][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5926.296270][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5926.296270][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5926.296270][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5926.296270][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5926.296270][ T10] addrconf_dad_begin+0x310/0x670 [ 5926.296270][ T10] addrconf_dad_work+0x10b/0xab0 [ 5926.296270][ T10] process_one_work+0x84d/0x18a0 [ 5926.296270][ T10] worker_thread+0x587/0xd30 [ 5926.296270][ T10] kthread+0x28a/0x350 [ 5926.296270][ T10] ret_from_fork+0x31/0x70 [ 5926.296270][ T10] ret_from_fork_asm+0x1a/0x30 [ 5926.296270][ T10] [ 5926.298166][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5926.298166][ T10] netdev_get_by_index+0x5e/0x80 [ 5926.298166][ T10] fib6_nh_init+0x3d8/0x1580 [ 5926.298166][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5926.298166][ T10] ip6_route_add+0x1c/0x140 [ 5926.298166][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5926.298166][ T10] inet6_addr_add+0x4f8/0xa40 [ 5926.298166][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5926.298166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5926.298166][ T10] netlink_rcv_skb+0x130/0x360 [ 5926.298166][ T10] netlink_unicast+0x449/0x710 [ 5926.298166][ T10] netlink_sendmsg+0x723/0xbe0 [ 5926.298166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5926.298166][ T10] ___sys_sendmsg+0xee/0x170 [ 5926.298166][ T10] __sys_sendmsg+0xcd/0x170 [ 5926.298166][ T10] do_syscall_64+0xc6/0x1e0 [ 5926.298166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5926.298166][ T10] [ 5926.300349][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5926.300349][ T10] netdev_get_by_index+0x5e/0x80 [ 5926.300349][ T10] fib6_nh_init+0x3d8/0x1580 [ 5926.300349][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5926.300349][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5926.300349][ T10] ipv6_add_addr+0x411/0x2000 [ 5926.300349][ T10] inet6_addr_add+0x30e/0xa40 [ 5926.300349][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5926.300349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5926.300349][ T10] netlink_rcv_skb+0x130/0x360 [ 5926.300349][ T10] netlink_unicast+0x449/0x710 [ 5926.300349][ T10] netlink_sendmsg+0x723/0xbe0 [ 5926.300349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5926.300349][ T10] ___sys_sendmsg+0xee/0x170 [ 5926.300349][ T10] __sys_sendmsg+0xcd/0x170 [ 5926.300349][ T10] do_syscall_64+0xc6/0x1e0 [ 5926.300349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5926.300349][ T10] [ 5926.302569][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5926.302569][ T10] netdev_get_by_index+0x5e/0x80 [ 5926.302569][ T10] fib6_nh_init+0x3d8/0x1580 [ 5926.302569][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5926.302569][ T10] ip6_route_add+0x1c/0x140 [ 5926.302569][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5926.302569][ T10] addrconf_add_dev+0xe2/0x170 [ 5926.302569][ T10] inet6_addr_add+0x12f/0xa40 [ 5926.302569][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5926.302569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5926.302569][ T10] netlink_rcv_skb+0x130/0x360 [ 5926.302569][ T10] netlink_unicast+0x449/0x710 [ 5926.302569][ T10] netlink_sendmsg+0x723/0xbe0 [ 5926.302569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5926.302569][ T10] ___sys_sendmsg+0xee/0x170 [ 5926.302569][ T10] __sys_sendmsg+0xcd/0x170 [ 5926.302569][ T10] do_syscall_64+0xc6/0x1e0 [ 5926.302569][ T10] [ 5926.304827][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5926.304827][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5926.304827][ T10] ipv6_find_idev+0x102/0x170 [ 5926.304827][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5926.304827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5926.304827][ T10] netlink_rcv_skb+0x130/0x360 [ 5926.304827][ T10] netlink_unicast+0x449/0x710 [ 5926.304827][ T10] netlink_sendmsg+0x723/0xbe0 [ 5926.304827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5926.304827][ T10] ___sys_sendmsg+0xee/0x170 [ 5926.304827][ T10] __sys_sendmsg+0xcd/0x170 [ 5926.304827][ T10] do_syscall_64+0xc6/0x1e0 [ 5926.304827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5926.304827][ T10] [ 5926.306535][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5926.306535][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5926.306535][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5926.306535][ T10] ipv6_find_idev+0x102/0x170 [ 5926.306535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5926.306535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5926.306535][ T10] netlink_rcv_skb+0x130/0x360 [ 5926.306535][ T10] netlink_unicast+0x449/0x710 [ 5926.306535][ T10] netlink_sendmsg+0x723/0xbe0 [ 5926.306535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5926.306535][ T10] ___sys_sendmsg+0xee/0x170 [ 5926.306535][ T10] __sys_sendmsg+0xcd/0x170 [ 5926.306535][ T10] do_syscall_64+0xc6/0x1e0 [ 5926.306535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5926.306535][ T10] [ 5926.308328][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5926.308568][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5926.308568][ T10] netdev_get_by_index+0x5e/0x80 [ 5926.308568][ T10] fib6_nh_init+0x3d8/0x1580 [ 5926.308568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5926.308568][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5926.308568][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5926.308568][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5926.308568][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5926.308568][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5926.308568][ T10] addrconf_dad_begin+0x310/0x670 [ 5926.308568][ T10] addrconf_dad_work+0x10b/0xab0 [ 5926.308568][ T10] process_one_work+0x84d/0x18a0 [ 5926.308568][ T10] worker_thread+0x587/0xd30 [ 5926.308568][ T10] kthread+0x28a/0x350 [ 5926.308568][ T10] ret_from_fork+0x31/0x70 [ 5926.308568][ T10] ret_from_fork_asm+0x1a/0x30 [ 5926.308568][ T10] [ 5926.310713][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5926.310713][ T10] netdev_get_by_index+0x5e/0x80 [ 5926.310713][ T10] fib6_nh_init+0x3d8/0x1580 [ 5926.310713][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5926.310713][ T10] ip6_route_add+0x1c/0x140 [ 5926.310713][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5926.310713][ T10] inet6_addr_add+0x4f8/0xa40 [ 5926.310713][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5926.310713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5926.310713][ T10] netlink_rcv_skb+0x130/0x360 [ 5926.310713][ T10] netlink_unicast+0x449/0x710 [ 5926.310713][ T10] netlink_sendmsg+0x723/0xbe0 [ 5926.310713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5926.310713][ T10] ___sys_sendmsg+0xee/0x170 [ 5926.310713][ T10] __sys_sendmsg+0xcd/0x170 [ 5926.310713][ T10] do_syscall_64+0xc6/0x1e0 [ 5926.310713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5926.310713][ T10] [ 5926.313006][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5926.313006][ T10] netdev_get_by_index+0x5e/0x80 [ 5926.313006][ T10] fib6_nh_init+0x3d8/0x1580 [ 5926.313006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5926.313006][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5926.313006][ T10] ipv6_add_addr+0x411/0x2000 [ 5926.313006][ T10] inet6_addr_add+0x30e/0xa40 [ 5926.313006][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5926.313006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5926.313006][ T10] netlink_rcv_skb+0x130/0x360 [ 5926.313006][ T10] netlink_unicast+0x449/0x710 [ 5926.313006][ T10] netlink_sendmsg+0x723/0xbe0 [ 5926.313006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5926.313006][ T10] ___sys_sendmsg+0xee/0x170 [ 5926.313006][ T10] __sys_sendmsg+0xcd/0x170 [ 5926.313006][ T10] do_syscall_64+0xc6/0x1e0 [ 5926.313006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5926.313006][ T10] [ 5926.315232][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5926.315232][ T10] netdev_get_by_index+0x5e/0x80 [ 5926.315232][ T10] fib6_nh_init+0x3d8/0x1580 [ 5926.315232][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5926.315232][ T10] ip6_route_add+0x1c/0x140 [ 5926.315232][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5926.315232][ T10] addrconf_add_dev+0xe2/0x170 [ 5926.315232][ T10] inet6_addr_add+0x12f/0xa40 [ 5926.315232][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5926.315232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5926.315232][ T10] netlink_rcv_skb+0x130/0x360 [ 5926.315232][ T10] netlink_unicast+0x449/0x710 [ 5926.315232][ T10] netlink_sendmsg+0x723/0xbe0 [ 5926.315232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5926.315232][ T10] ___sys_sendmsg+0xee/0x170 [ 5926.315232][ T10] __sys_sendmsg+0xcd/0x170 [ 5926.315232][ T10] do_syscall_64+0xc6/0x1e0 [ 5926.315232][ T10] [ 5926.317364][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5926.317364][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5926.317364][ T10] ipv6_find_idev+0x102/0x170 [ 5926.317364][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5926.317364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5926.317364][ T10] netlink_rcv_skb+0x130/0x360 [ 5926.317364][ T10] netlink_unicast+0x449/0x710 [ 5926.317364][ T10] netlink_sendmsg+0x723/0xbe0 [ 5926.317364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5926.317364][ T10] ___sys_sendmsg+0xee/0x170 [ 5926.317364][ T10] __sys_sendmsg+0xcd/0x170 [ 5926.317364][ T10] do_syscall_64+0xc6/0x1e0 [ 5926.317364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5926.317364][ T10] [ 5926.319078][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5926.319078][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5926.319078][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5926.319078][ T10] ipv6_find_idev+0x102/0x170 [ 5926.319078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5926.319078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5926.319078][ T10] netlink_rcv_skb+0x130/0x360 [ 5926.319078][ T10] netlink_unicast+0x449/0x710 [ 5926.319078][ T10] netlink_sendmsg+0x723/0xbe0 [ 5926.319078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5926.319078][ T10] ___sys_sendmsg+0xee/0x170 [ 5926.319078][ T10] __sys_sendmsg+0xcd/0x170 [ 5926.319078][ T10] do_syscall_64+0xc6/0x1e0 [ 5926.319078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5926.319078][ T10] [ 5926.713119][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5926.713641][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5926.713641][ T1167] dst_init+0x84/0x4a0 [ 5926.713641][ T1167] dst_alloc+0x97/0x150 [ 5926.713641][ T1167] ip6_dst_alloc+0x23/0x90 [ 5926.713641][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5926.713641][ T1167] ip6_pol_route+0x56f/0x840 [ 5926.713641][ T1167] fib6_rule_lookup+0x334/0x630 [ 5926.713641][ T1167] ip6_route_output_flags+0x259/0x480 [ 5926.713641][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5926.713641][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5926.713641][ T1167] netlink_rcv_skb+0x130/0x360 [ 5926.713641][ T1167] netlink_unicast+0x449/0x710 [ 5926.713641][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5926.713641][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5926.713641][ T1167] ___sys_sendmsg+0xee/0x170 [ 5926.713641][ T1167] __sys_sendmsg+0xcd/0x170 [ 5926.713641][ T1167] do_syscall_64+0xc6/0x1e0 [ 5926.713641][ T1167] [ 5926.716090][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5926.716090][ T1167] netdev_get_by_index+0x5e/0x80 [ 5926.716090][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5926.716090][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5926.716090][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5926.716090][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5926.716090][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5926.716090][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5926.716090][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5926.716090][ T1167] addrconf_dad_begin+0x310/0x670 [ 5926.716090][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5926.716090][ T1167] process_one_work+0x84d/0x18a0 [ 5926.716090][ T1167] worker_thread+0x587/0xd30 [ 5926.716090][ T1167] kthread+0x28a/0x350 [ 5926.716090][ T1167] ret_from_fork+0x31/0x70 [ 5926.716090][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5926.716090][ T1167] [ 5926.718481][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5926.718481][ T1167] netdev_get_by_index+0x5e/0x80 [ 5926.718481][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5926.718481][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5926.718481][ T1167] ip6_route_add+0x1c/0x140 [ 5926.718481][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5926.718481][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5926.718481][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5926.718481][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5926.718481][ T1167] netlink_rcv_skb+0x130/0x360 [ 5926.718481][ T1167] netlink_unicast+0x449/0x710 [ 5926.718481][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5926.718481][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5926.718481][ T1167] ___sys_sendmsg+0xee/0x170 [ 5926.718481][ T1167] __sys_sendmsg+0xcd/0x170 [ 5926.718481][ T1167] do_syscall_64+0xc6/0x1e0 [ 5926.718481][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5926.718481][ T1167] [ 5926.720986][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5926.720986][ T1167] netdev_get_by_index+0x5e/0x80 [ 5926.720986][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5926.720986][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5926.720986][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5926.720986][ T1167] ipv6_add_addr+0x411/0x2000 [ 5926.720986][ T1167] inet6_addr_add+0x30e/0xa40 [ 5926.720986][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5926.720986][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5926.720986][ T1167] netlink_rcv_skb+0x130/0x360 [ 5926.720986][ T1167] netlink_unicast+0x449/0x710 [ 5926.720986][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5926.720986][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5926.720986][ T1167] ___sys_sendmsg+0xee/0x170 [ 5926.720986][ T1167] __sys_sendmsg+0xcd/0x170 [ 5926.720986][ T1167] do_syscall_64+0xc6/0x1e0 [ 5926.720986][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5926.720986][ T1167] [ 5926.723487][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5926.723487][ T1167] netdev_get_by_index+0x5e/0x80 [ 5926.723487][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5926.723487][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5926.723487][ T1167] ip6_route_add+0x1c/0x140 [ 5926.723487][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5926.723487][ T1167] addrconf_add_dev+0xe2/0x170 [ 5926.723487][ T1167] inet6_addr_add+0x12f/0xa40 [ 5926.723487][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5926.723487][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5926.723487][ T1167] netlink_rcv_skb+0x130/0x360 [ 5926.723487][ T1167] netlink_unicast+0x449/0x710 [ 5926.723487][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5926.723487][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5926.723487][ T1167] ___sys_sendmsg+0xee/0x170 [ 5926.723487][ T1167] __sys_sendmsg+0xcd/0x170 [ 5926.723487][ T1167] do_syscall_64+0xc6/0x1e0 [ 5926.723487][ T1167] [ 5926.725948][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5926.725948][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5926.725948][ T1167] ipv6_find_idev+0x102/0x170 [ 5926.725948][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5926.725948][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5926.725948][ T1167] netlink_rcv_skb+0x130/0x360 [ 5926.725948][ T1167] netlink_unicast+0x449/0x710 [ 5926.725948][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5926.725948][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5926.725948][ T1167] ___sys_sendmsg+0xee/0x170 [ 5926.725948][ T1167] __sys_sendmsg+0xcd/0x170 [ 5926.725948][ T1167] do_syscall_64+0xc6/0x1e0 [ 5926.725948][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5926.725948][ T1167] [ 5926.727866][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5926.727866][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5926.727866][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5926.727866][ T1167] ipv6_find_idev+0x102/0x170 [ 5926.727866][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5926.727866][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5926.727866][ T1167] netlink_rcv_skb+0x130/0x360 [ 5926.727866][ T1167] netlink_unicast+0x449/0x710 [ 5926.727866][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5926.727866][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5926.727866][ T1167] ___sys_sendmsg+0xee/0x170 [ 5926.727866][ T1167] __sys_sendmsg+0xcd/0x170 [ 5926.727866][ T1167] do_syscall_64+0xc6/0x1e0 [ 5926.727866][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5926.727866][ T1167] [ 5936.561108][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5936.561539][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5936.561539][ T10] netdev_get_by_index+0x5e/0x80 [ 5936.561539][ T10] fib6_nh_init+0x3d8/0x1580 [ 5936.561539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5936.561539][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5936.561539][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5936.561539][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5936.561539][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5936.561539][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5936.561539][ T10] addrconf_dad_begin+0x310/0x670 [ 5936.561539][ T10] addrconf_dad_work+0x10b/0xab0 [ 5936.561539][ T10] process_one_work+0x84d/0x18a0 [ 5936.561539][ T10] worker_thread+0x587/0xd30 [ 5936.561539][ T10] kthread+0x28a/0x350 [ 5936.561539][ T10] ret_from_fork+0x31/0x70 [ 5936.561539][ T10] ret_from_fork_asm+0x1a/0x30 [ 5936.561539][ T10] [ 5936.563468][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5936.563468][ T10] netdev_get_by_index+0x5e/0x80 [ 5936.563468][ T10] fib6_nh_init+0x3d8/0x1580 [ 5936.563468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5936.563468][ T10] ip6_route_add+0x1c/0x140 [ 5936.563468][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5936.563468][ T10] inet6_addr_add+0x4f8/0xa40 [ 5936.563468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5936.563468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.563468][ T10] netlink_rcv_skb+0x130/0x360 [ 5936.563468][ T10] netlink_unicast+0x449/0x710 [ 5936.563468][ T10] netlink_sendmsg+0x723/0xbe0 [ 5936.563468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5936.563468][ T10] ___sys_sendmsg+0xee/0x170 [ 5936.563468][ T10] __sys_sendmsg+0xcd/0x170 [ 5936.563468][ T10] do_syscall_64+0xc6/0x1e0 [ 5936.563468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.563468][ T10] [ 5936.565470][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5936.565470][ T10] netdev_get_by_index+0x5e/0x80 [ 5936.565470][ T10] fib6_nh_init+0x3d8/0x1580 [ 5936.565470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5936.565470][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5936.565470][ T10] ipv6_add_addr+0x411/0x2000 [ 5936.565470][ T10] inet6_addr_add+0x30e/0xa40 [ 5936.565470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5936.565470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.565470][ T10] netlink_rcv_skb+0x130/0x360 [ 5936.565470][ T10] netlink_unicast+0x449/0x710 [ 5936.565470][ T10] netlink_sendmsg+0x723/0xbe0 [ 5936.565470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5936.565470][ T10] ___sys_sendmsg+0xee/0x170 [ 5936.565470][ T10] __sys_sendmsg+0xcd/0x170 [ 5936.565470][ T10] do_syscall_64+0xc6/0x1e0 [ 5936.565470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.565470][ T10] [ 5936.567454][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5936.567454][ T10] netdev_get_by_index+0x5e/0x80 [ 5936.567454][ T10] fib6_nh_init+0x3d8/0x1580 [ 5936.567454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5936.567454][ T10] ip6_route_add+0x1c/0x140 [ 5936.567454][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5936.567454][ T10] addrconf_add_dev+0xe2/0x170 [ 5936.567454][ T10] inet6_addr_add+0x12f/0xa40 [ 5936.567454][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5936.567454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.567454][ T10] netlink_rcv_skb+0x130/0x360 [ 5936.567454][ T10] netlink_unicast+0x449/0x710 [ 5936.567454][ T10] netlink_sendmsg+0x723/0xbe0 [ 5936.567454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5936.567454][ T10] ___sys_sendmsg+0xee/0x170 [ 5936.567454][ T10] __sys_sendmsg+0xcd/0x170 [ 5936.567454][ T10] do_syscall_64+0xc6/0x1e0 [ 5936.567454][ T10] [ 5936.569400][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5936.569400][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5936.569400][ T10] ipv6_find_idev+0x102/0x170 [ 5936.569400][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5936.569400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.569400][ T10] netlink_rcv_skb+0x130/0x360 [ 5936.569400][ T10] netlink_unicast+0x449/0x710 [ 5936.569400][ T10] netlink_sendmsg+0x723/0xbe0 [ 5936.569400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5936.569400][ T10] ___sys_sendmsg+0xee/0x170 [ 5936.569400][ T10] __sys_sendmsg+0xcd/0x170 [ 5936.569400][ T10] do_syscall_64+0xc6/0x1e0 [ 5936.569400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.569400][ T10] [ 5936.570938][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5936.570938][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5936.570938][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5936.570938][ T10] ipv6_find_idev+0x102/0x170 [ 5936.570938][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5936.570938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.570938][ T10] netlink_rcv_skb+0x130/0x360 [ 5936.570938][ T10] netlink_unicast+0x449/0x710 [ 5936.570938][ T10] netlink_sendmsg+0x723/0xbe0 [ 5936.570938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5936.570938][ T10] ___sys_sendmsg+0xee/0x170 [ 5936.570938][ T10] __sys_sendmsg+0xcd/0x170 [ 5936.570938][ T10] do_syscall_64+0xc6/0x1e0 [ 5936.570938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.570938][ T10] [ 5936.572628][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5936.572866][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5936.572866][ T10] netdev_get_by_index+0x5e/0x80 [ 5936.572866][ T10] fib6_nh_init+0x3d8/0x1580 [ 5936.572866][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5936.572866][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5936.572866][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5936.572866][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5936.572866][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5936.572866][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5936.572866][ T10] addrconf_dad_begin+0x310/0x670 [ 5936.572866][ T10] addrconf_dad_work+0x10b/0xab0 [ 5936.572866][ T10] process_one_work+0x84d/0x18a0 [ 5936.572866][ T10] worker_thread+0x587/0xd30 [ 5936.572866][ T10] kthread+0x28a/0x350 [ 5936.572866][ T10] ret_from_fork+0x31/0x70 [ 5936.572866][ T10] ret_from_fork_asm+0x1a/0x30 [ 5936.572866][ T10] [ 5936.574766][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5936.574766][ T10] netdev_get_by_index+0x5e/0x80 [ 5936.574766][ T10] fib6_nh_init+0x3d8/0x1580 [ 5936.574766][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5936.574766][ T10] ip6_route_add+0x1c/0x140 [ 5936.574766][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5936.574766][ T10] inet6_addr_add+0x4f8/0xa40 [ 5936.574766][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5936.574766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.574766][ T10] netlink_rcv_skb+0x130/0x360 [ 5936.574766][ T10] netlink_unicast+0x449/0x710 [ 5936.574766][ T10] netlink_sendmsg+0x723/0xbe0 [ 5936.574766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5936.574766][ T10] ___sys_sendmsg+0xee/0x170 [ 5936.574766][ T10] __sys_sendmsg+0xcd/0x170 [ 5936.574766][ T10] do_syscall_64+0xc6/0x1e0 [ 5936.574766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.574766][ T10] [ 5936.576737][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5936.576737][ T10] netdev_get_by_index+0x5e/0x80 [ 5936.576737][ T10] fib6_nh_init+0x3d8/0x1580 [ 5936.576737][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5936.576737][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5936.576737][ T10] ipv6_add_addr+0x411/0x2000 [ 5936.576737][ T10] inet6_addr_add+0x30e/0xa40 [ 5936.576737][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5936.576737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.576737][ T10] netlink_rcv_skb+0x130/0x360 [ 5936.576737][ T10] netlink_unicast+0x449/0x710 [ 5936.576737][ T10] netlink_sendmsg+0x723/0xbe0 [ 5936.576737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5936.576737][ T10] ___sys_sendmsg+0xee/0x170 [ 5936.576737][ T10] __sys_sendmsg+0xcd/0x170 [ 5936.576737][ T10] do_syscall_64+0xc6/0x1e0 [ 5936.576737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.576737][ T10] [ 5936.578714][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5936.578714][ T10] netdev_get_by_index+0x5e/0x80 [ 5936.578714][ T10] fib6_nh_init+0x3d8/0x1580 [ 5936.578714][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5936.578714][ T10] ip6_route_add+0x1c/0x140 [ 5936.578714][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5936.578714][ T10] addrconf_add_dev+0xe2/0x170 [ 5936.578714][ T10] inet6_addr_add+0x12f/0xa40 [ 5936.578714][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5936.578714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.578714][ T10] netlink_rcv_skb+0x130/0x360 [ 5936.578714][ T10] netlink_unicast+0x449/0x710 [ 5936.578714][ T10] netlink_sendmsg+0x723/0xbe0 [ 5936.578714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5936.578714][ T10] ___sys_sendmsg+0xee/0x170 [ 5936.578714][ T10] __sys_sendmsg+0xcd/0x170 [ 5936.578714][ T10] do_syscall_64+0xc6/0x1e0 [ 5936.578714][ T10] [ 5936.580665][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5936.580665][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5936.580665][ T10] ipv6_find_idev+0x102/0x170 [ 5936.580665][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5936.580665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.580665][ T10] netlink_rcv_skb+0x130/0x360 [ 5936.580665][ T10] netlink_unicast+0x449/0x710 [ 5936.580665][ T10] netlink_sendmsg+0x723/0xbe0 [ 5936.580665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5936.580665][ T10] ___sys_sendmsg+0xee/0x170 [ 5936.580665][ T10] __sys_sendmsg+0xcd/0x170 [ 5936.580665][ T10] do_syscall_64+0xc6/0x1e0 [ 5936.580665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.580665][ T10] [ 5936.582193][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5936.582193][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5936.582193][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5936.582193][ T10] ipv6_find_idev+0x102/0x170 [ 5936.582193][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5936.582193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.582193][ T10] netlink_rcv_skb+0x130/0x360 [ 5936.582193][ T10] netlink_unicast+0x449/0x710 [ 5936.582193][ T10] netlink_sendmsg+0x723/0xbe0 [ 5936.582193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5936.582193][ T10] ___sys_sendmsg+0xee/0x170 [ 5936.582193][ T10] __sys_sendmsg+0xcd/0x170 [ 5936.582193][ T10] do_syscall_64+0xc6/0x1e0 [ 5936.582193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.582193][ T10] [ 5936.583881][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5936.584132][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5936.584132][ T10] netdev_get_by_index+0x5e/0x80 [ 5936.584132][ T10] fib6_nh_init+0x3d8/0x1580 [ 5936.584132][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5936.584132][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5936.584132][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5936.584132][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5936.584132][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5936.584132][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5936.584132][ T10] addrconf_dad_begin+0x310/0x670 [ 5936.584132][ T10] addrconf_dad_work+0x10b/0xab0 [ 5936.584132][ T10] process_one_work+0x84d/0x18a0 [ 5936.584132][ T10] worker_thread+0x587/0xd30 [ 5936.584132][ T10] kthread+0x28a/0x350 [ 5936.584132][ T10] ret_from_fork+0x31/0x70 [ 5936.584132][ T10] ret_from_fork_asm+0x1a/0x30 [ 5936.584132][ T10] [ 5936.586020][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5936.586020][ T10] netdev_get_by_index+0x5e/0x80 [ 5936.586020][ T10] fib6_nh_init+0x3d8/0x1580 [ 5936.586020][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5936.586020][ T10] ip6_route_add+0x1c/0x140 [ 5936.586020][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5936.586020][ T10] inet6_addr_add+0x4f8/0xa40 [ 5936.586020][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5936.586020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.586020][ T10] netlink_rcv_skb+0x130/0x360 [ 5936.586020][ T10] netlink_unicast+0x449/0x710 [ 5936.586020][ T10] netlink_sendmsg+0x723/0xbe0 [ 5936.586020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5936.586020][ T10] ___sys_sendmsg+0xee/0x170 [ 5936.586020][ T10] __sys_sendmsg+0xcd/0x170 [ 5936.586020][ T10] do_syscall_64+0xc6/0x1e0 [ 5936.586020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.586020][ T10] [ 5936.588181][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5936.588181][ T10] netdev_get_by_index+0x5e/0x80 [ 5936.588181][ T10] fib6_nh_init+0x3d8/0x1580 [ 5936.588181][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5936.588181][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5936.588181][ T10] ipv6_add_addr+0x411/0x2000 [ 5936.588181][ T10] inet6_addr_add+0x30e/0xa40 [ 5936.588181][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5936.588181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.588181][ T10] netlink_rcv_skb+0x130/0x360 [ 5936.588181][ T10] netlink_unicast+0x449/0x710 [ 5936.588181][ T10] netlink_sendmsg+0x723/0xbe0 [ 5936.588181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5936.588181][ T10] ___sys_sendmsg+0xee/0x170 [ 5936.588181][ T10] __sys_sendmsg+0xcd/0x170 [ 5936.588181][ T10] do_syscall_64+0xc6/0x1e0 [ 5936.588181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.588181][ T10] [ 5936.590466][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5936.590466][ T10] netdev_get_by_index+0x5e/0x80 [ 5936.590466][ T10] fib6_nh_init+0x3d8/0x1580 [ 5936.590466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5936.590466][ T10] ip6_route_add+0x1c/0x140 [ 5936.590466][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5936.590466][ T10] addrconf_add_dev+0xe2/0x170 [ 5936.590466][ T10] inet6_addr_add+0x12f/0xa40 [ 5936.590466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5936.590466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.590466][ T10] netlink_rcv_skb+0x130/0x360 [ 5936.590466][ T10] netlink_unicast+0x449/0x710 [ 5936.590466][ T10] netlink_sendmsg+0x723/0xbe0 [ 5936.590466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5936.590466][ T10] ___sys_sendmsg+0xee/0x170 [ 5936.590466][ T10] __sys_sendmsg+0xcd/0x170 [ 5936.590466][ T10] do_syscall_64+0xc6/0x1e0 [ 5936.590466][ T10] [ 5936.592652][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5936.592652][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5936.592652][ T10] ipv6_find_idev+0x102/0x170 [ 5936.592652][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5936.592652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.592652][ T10] netlink_rcv_skb+0x130/0x360 [ 5936.592652][ T10] netlink_unicast+0x449/0x710 [ 5936.592652][ T10] netlink_sendmsg+0x723/0xbe0 [ 5936.592652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5936.592652][ T10] ___sys_sendmsg+0xee/0x170 [ 5936.592652][ T10] __sys_sendmsg+0xcd/0x170 [ 5936.592652][ T10] do_syscall_64+0xc6/0x1e0 [ 5936.592652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.592652][ T10] [ 5936.594355][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5936.594355][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5936.594355][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5936.594355][ T10] ipv6_find_idev+0x102/0x170 [ 5936.594355][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5936.594355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.594355][ T10] netlink_rcv_skb+0x130/0x360 [ 5936.594355][ T10] netlink_unicast+0x449/0x710 [ 5936.594355][ T10] netlink_sendmsg+0x723/0xbe0 [ 5936.594355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5936.594355][ T10] ___sys_sendmsg+0xee/0x170 [ 5936.594355][ T10] __sys_sendmsg+0xcd/0x170 [ 5936.594355][ T10] do_syscall_64+0xc6/0x1e0 [ 5936.594355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.594355][ T10] [ 5936.596309][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5936.596550][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5936.596550][ T10] netdev_get_by_index+0x5e/0x80 [ 5936.596550][ T10] fib6_nh_init+0x3d8/0x1580 [ 5936.596550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5936.596550][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5936.596550][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5936.596550][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5936.596550][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5936.596550][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5936.596550][ T10] addrconf_dad_begin+0x310/0x670 [ 5936.596550][ T10] addrconf_dad_work+0x10b/0xab0 [ 5936.596550][ T10] process_one_work+0x84d/0x18a0 [ 5936.596550][ T10] worker_thread+0x587/0xd30 [ 5936.596550][ T10] kthread+0x28a/0x350 [ 5936.596550][ T10] ret_from_fork+0x31/0x70 [ 5936.596550][ T10] ret_from_fork_asm+0x1a/0x30 [ 5936.596550][ T10] [ 5936.598749][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5936.598749][ T10] netdev_get_by_index+0x5e/0x80 [ 5936.598749][ T10] fib6_nh_init+0x3d8/0x1580 [ 5936.598749][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5936.598749][ T10] ip6_route_add+0x1c/0x140 [ 5936.598749][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5936.598749][ T10] inet6_addr_add+0x4f8/0xa40 [ 5936.598749][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5936.598749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.598749][ T10] netlink_rcv_skb+0x130/0x360 [ 5936.598749][ T10] netlink_unicast+0x449/0x710 [ 5936.598749][ T10] netlink_sendmsg+0x723/0xbe0 [ 5936.598749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5936.598749][ T10] ___sys_sendmsg+0xee/0x170 [ 5936.598749][ T10] __sys_sendmsg+0xcd/0x170 [ 5936.598749][ T10] do_syscall_64+0xc6/0x1e0 [ 5936.598749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.598749][ T10] [ 5936.600982][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5936.600982][ T10] netdev_get_by_index+0x5e/0x80 [ 5936.600982][ T10] fib6_nh_init+0x3d8/0x1580 [ 5936.600982][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5936.600982][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5936.600982][ T10] ipv6_add_addr+0x411/0x2000 [ 5936.600982][ T10] inet6_addr_add+0x30e/0xa40 [ 5936.600982][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5936.600982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.600982][ T10] netlink_rcv_skb+0x130/0x360 [ 5936.600982][ T10] netlink_unicast+0x449/0x710 [ 5936.600982][ T10] netlink_sendmsg+0x723/0xbe0 [ 5936.600982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5936.600982][ T10] ___sys_sendmsg+0xee/0x170 [ 5936.600982][ T10] __sys_sendmsg+0xcd/0x170 [ 5936.600982][ T10] do_syscall_64+0xc6/0x1e0 [ 5936.600982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.600982][ T10] [ 5936.603205][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5936.603205][ T10] netdev_get_by_index+0x5e/0x80 [ 5936.603205][ T10] fib6_nh_init+0x3d8/0x1580 [ 5936.603205][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5936.603205][ T10] ip6_route_add+0x1c/0x140 [ 5936.603205][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5936.603205][ T10] addrconf_add_dev+0xe2/0x170 [ 5936.603205][ T10] inet6_addr_add+0x12f/0xa40 [ 5936.603205][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5936.603205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.603205][ T10] netlink_rcv_skb+0x130/0x360 [ 5936.603205][ T10] netlink_unicast+0x449/0x710 [ 5936.603205][ T10] netlink_sendmsg+0x723/0xbe0 [ 5936.603205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5936.603205][ T10] ___sys_sendmsg+0xee/0x170 [ 5936.603205][ T10] __sys_sendmsg+0xcd/0x170 [ 5936.603205][ T10] do_syscall_64+0xc6/0x1e0 [ 5936.603205][ T10] [ 5936.605347][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5936.605347][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5936.605347][ T10] ipv6_find_idev+0x102/0x170 [ 5936.605347][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5936.605347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.605347][ T10] netlink_rcv_skb+0x130/0x360 [ 5936.605347][ T10] netlink_unicast+0x449/0x710 [ 5936.605347][ T10] netlink_sendmsg+0x723/0xbe0 [ 5936.605347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5936.605347][ T10] ___sys_sendmsg+0xee/0x170 [ 5936.605347][ T10] __sys_sendmsg+0xcd/0x170 [ 5936.605347][ T10] do_syscall_64+0xc6/0x1e0 [ 5936.605347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.605347][ T10] [ 5936.607058][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5936.607058][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5936.607058][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5936.607058][ T10] ipv6_find_idev+0x102/0x170 [ 5936.607058][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5936.607058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.607058][ T10] netlink_rcv_skb+0x130/0x360 [ 5936.607058][ T10] netlink_unicast+0x449/0x710 [ 5936.607058][ T10] netlink_sendmsg+0x723/0xbe0 [ 5936.607058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5936.607058][ T10] ___sys_sendmsg+0xee/0x170 [ 5936.607058][ T10] __sys_sendmsg+0xcd/0x170 [ 5936.607058][ T10] do_syscall_64+0xc6/0x1e0 [ 5936.607058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.607058][ T10] [ 5936.977110][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5936.977610][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5936.977610][ T1167] dst_init+0x84/0x4a0 [ 5936.977610][ T1167] dst_alloc+0x97/0x150 [ 5936.977610][ T1167] ip6_dst_alloc+0x23/0x90 [ 5936.977610][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5936.977610][ T1167] ip6_pol_route+0x56f/0x840 [ 5936.977610][ T1167] fib6_rule_lookup+0x334/0x630 [ 5936.977610][ T1167] ip6_route_output_flags+0x259/0x480 [ 5936.977610][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5936.977610][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5936.977610][ T1167] netlink_rcv_skb+0x130/0x360 [ 5936.977610][ T1167] netlink_unicast+0x449/0x710 [ 5936.977610][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5936.977610][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5936.977610][ T1167] ___sys_sendmsg+0xee/0x170 [ 5936.977610][ T1167] __sys_sendmsg+0xcd/0x170 [ 5936.977610][ T1167] do_syscall_64+0xc6/0x1e0 [ 5936.977610][ T1167] [ 5936.980103][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5936.980103][ T1167] netdev_get_by_index+0x5e/0x80 [ 5936.980103][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5936.980103][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5936.980103][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5936.980103][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5936.980103][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5936.980103][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5936.980103][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5936.980103][ T1167] addrconf_dad_begin+0x310/0x670 [ 5936.980103][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5936.980103][ T1167] process_one_work+0x84d/0x18a0 [ 5936.980103][ T1167] worker_thread+0x587/0xd30 [ 5936.980103][ T1167] kthread+0x28a/0x350 [ 5936.980103][ T1167] ret_from_fork+0x31/0x70 [ 5936.980103][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5936.980103][ T1167] [ 5936.982487][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5936.982487][ T1167] netdev_get_by_index+0x5e/0x80 [ 5936.982487][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5936.982487][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5936.982487][ T1167] ip6_route_add+0x1c/0x140 [ 5936.982487][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5936.982487][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5936.982487][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5936.982487][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.982487][ T1167] netlink_rcv_skb+0x130/0x360 [ 5936.982487][ T1167] netlink_unicast+0x449/0x710 [ 5936.982487][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5936.982487][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5936.982487][ T1167] ___sys_sendmsg+0xee/0x170 [ 5936.982487][ T1167] __sys_sendmsg+0xcd/0x170 [ 5936.982487][ T1167] do_syscall_64+0xc6/0x1e0 [ 5936.982487][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.982487][ T1167] [ 5936.984998][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5936.984998][ T1167] netdev_get_by_index+0x5e/0x80 [ 5936.984998][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5936.984998][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5936.984998][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5936.984998][ T1167] ipv6_add_addr+0x411/0x2000 [ 5936.984998][ T1167] inet6_addr_add+0x30e/0xa40 [ 5936.984998][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5936.984998][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.984998][ T1167] netlink_rcv_skb+0x130/0x360 [ 5936.984998][ T1167] netlink_unicast+0x449/0x710 [ 5936.984998][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5936.984998][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5936.984998][ T1167] ___sys_sendmsg+0xee/0x170 [ 5936.984998][ T1167] __sys_sendmsg+0xcd/0x170 [ 5936.984998][ T1167] do_syscall_64+0xc6/0x1e0 [ 5936.984998][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.984998][ T1167] [ 5936.987490][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5936.987490][ T1167] netdev_get_by_index+0x5e/0x80 [ 5936.987490][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5936.987490][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5936.987490][ T1167] ip6_route_add+0x1c/0x140 [ 5936.987490][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5936.987490][ T1167] addrconf_add_dev+0xe2/0x170 [ 5936.987490][ T1167] inet6_addr_add+0x12f/0xa40 [ 5936.987490][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5936.987490][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.987490][ T1167] netlink_rcv_skb+0x130/0x360 [ 5936.987490][ T1167] netlink_unicast+0x449/0x710 [ 5936.987490][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5936.987490][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5936.987490][ T1167] ___sys_sendmsg+0xee/0x170 [ 5936.987490][ T1167] __sys_sendmsg+0xcd/0x170 [ 5936.987490][ T1167] do_syscall_64+0xc6/0x1e0 [ 5936.987490][ T1167] [ 5936.989910][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5936.989910][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5936.989910][ T1167] ipv6_find_idev+0x102/0x170 [ 5936.989910][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5936.989910][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.989910][ T1167] netlink_rcv_skb+0x130/0x360 [ 5936.989910][ T1167] netlink_unicast+0x449/0x710 [ 5936.989910][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5936.989910][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5936.989910][ T1167] ___sys_sendmsg+0xee/0x170 [ 5936.989910][ T1167] __sys_sendmsg+0xcd/0x170 [ 5936.989910][ T1167] do_syscall_64+0xc6/0x1e0 [ 5936.989910][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.989910][ T1167] [ 5936.991832][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5936.991832][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5936.991832][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5936.991832][ T1167] ipv6_find_idev+0x102/0x170 [ 5936.991832][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5936.991832][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.991832][ T1167] netlink_rcv_skb+0x130/0x360 [ 5936.991832][ T1167] netlink_unicast+0x449/0x710 [ 5936.991832][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5936.991832][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5936.991832][ T1167] ___sys_sendmsg+0xee/0x170 [ 5936.991832][ T1167] __sys_sendmsg+0xcd/0x170 [ 5936.991832][ T1167] do_syscall_64+0xc6/0x1e0 [ 5936.991832][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.991832][ T1167] [ 5946.849109][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5946.849557][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5946.849557][ T10] netdev_get_by_index+0x5e/0x80 [ 5946.849557][ T10] fib6_nh_init+0x3d8/0x1580 [ 5946.849557][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5946.849557][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5946.849557][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5946.849557][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5946.849557][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5946.849557][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5946.849557][ T10] addrconf_dad_begin+0x310/0x670 [ 5946.849557][ T10] addrconf_dad_work+0x10b/0xab0 [ 5946.849557][ T10] process_one_work+0x84d/0x18a0 [ 5946.849557][ T10] worker_thread+0x587/0xd30 [ 5946.849557][ T10] kthread+0x28a/0x350 [ 5946.849557][ T10] ret_from_fork+0x31/0x70 [ 5946.849557][ T10] ret_from_fork_asm+0x1a/0x30 [ 5946.849557][ T10] [ 5946.851503][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5946.851503][ T10] netdev_get_by_index+0x5e/0x80 [ 5946.851503][ T10] fib6_nh_init+0x3d8/0x1580 [ 5946.851503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5946.851503][ T10] ip6_route_add+0x1c/0x140 [ 5946.851503][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5946.851503][ T10] inet6_addr_add+0x4f8/0xa40 [ 5946.851503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5946.851503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.851503][ T10] netlink_rcv_skb+0x130/0x360 [ 5946.851503][ T10] netlink_unicast+0x449/0x710 [ 5946.851503][ T10] netlink_sendmsg+0x723/0xbe0 [ 5946.851503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5946.851503][ T10] ___sys_sendmsg+0xee/0x170 [ 5946.851503][ T10] __sys_sendmsg+0xcd/0x170 [ 5946.851503][ T10] do_syscall_64+0xc6/0x1e0 [ 5946.851503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.851503][ T10] [ 5946.853489][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5946.853489][ T10] netdev_get_by_index+0x5e/0x80 [ 5946.853489][ T10] fib6_nh_init+0x3d8/0x1580 [ 5946.853489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5946.853489][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5946.853489][ T10] ipv6_add_addr+0x411/0x2000 [ 5946.853489][ T10] inet6_addr_add+0x30e/0xa40 [ 5946.853489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5946.853489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.853489][ T10] netlink_rcv_skb+0x130/0x360 [ 5946.853489][ T10] netlink_unicast+0x449/0x710 [ 5946.853489][ T10] netlink_sendmsg+0x723/0xbe0 [ 5946.853489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5946.853489][ T10] ___sys_sendmsg+0xee/0x170 [ 5946.853489][ T10] __sys_sendmsg+0xcd/0x170 [ 5946.853489][ T10] do_syscall_64+0xc6/0x1e0 [ 5946.853489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.853489][ T10] [ 5946.855463][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5946.855463][ T10] netdev_get_by_index+0x5e/0x80 [ 5946.855463][ T10] fib6_nh_init+0x3d8/0x1580 [ 5946.855463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5946.855463][ T10] ip6_route_add+0x1c/0x140 [ 5946.855463][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5946.855463][ T10] addrconf_add_dev+0xe2/0x170 [ 5946.855463][ T10] inet6_addr_add+0x12f/0xa40 [ 5946.855463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5946.855463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.855463][ T10] netlink_rcv_skb+0x130/0x360 [ 5946.855463][ T10] netlink_unicast+0x449/0x710 [ 5946.855463][ T10] netlink_sendmsg+0x723/0xbe0 [ 5946.855463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5946.855463][ T10] ___sys_sendmsg+0xee/0x170 [ 5946.855463][ T10] __sys_sendmsg+0xcd/0x170 [ 5946.855463][ T10] do_syscall_64+0xc6/0x1e0 [ 5946.855463][ T10] [ 5946.857522][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5946.857522][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5946.857522][ T10] ipv6_find_idev+0x102/0x170 [ 5946.857522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5946.857522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.857522][ T10] netlink_rcv_skb+0x130/0x360 [ 5946.857522][ T10] netlink_unicast+0x449/0x710 [ 5946.857522][ T10] netlink_sendmsg+0x723/0xbe0 [ 5946.857522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5946.857522][ T10] ___sys_sendmsg+0xee/0x170 [ 5946.857522][ T10] __sys_sendmsg+0xcd/0x170 [ 5946.857522][ T10] do_syscall_64+0xc6/0x1e0 [ 5946.857522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.857522][ T10] [ 5946.859066][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5946.859066][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5946.859066][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5946.859066][ T10] ipv6_find_idev+0x102/0x170 [ 5946.859066][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5946.859066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.859066][ T10] netlink_rcv_skb+0x130/0x360 [ 5946.859066][ T10] netlink_unicast+0x449/0x710 [ 5946.859066][ T10] netlink_sendmsg+0x723/0xbe0 [ 5946.859066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5946.859066][ T10] ___sys_sendmsg+0xee/0x170 [ 5946.859066][ T10] __sys_sendmsg+0xcd/0x170 [ 5946.859066][ T10] do_syscall_64+0xc6/0x1e0 [ 5946.859066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.859066][ T10] [ 5946.860746][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5946.860996][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5946.860996][ T10] netdev_get_by_index+0x5e/0x80 [ 5946.860996][ T10] fib6_nh_init+0x3d8/0x1580 [ 5946.860996][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5946.860996][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5946.860996][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5946.860996][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5946.860996][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5946.860996][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5946.860996][ T10] addrconf_dad_begin+0x310/0x670 [ 5946.860996][ T10] addrconf_dad_work+0x10b/0xab0 [ 5946.860996][ T10] process_one_work+0x84d/0x18a0 [ 5946.860996][ T10] worker_thread+0x587/0xd30 [ 5946.860996][ T10] kthread+0x28a/0x350 [ 5946.860996][ T10] ret_from_fork+0x31/0x70 [ 5946.860996][ T10] ret_from_fork_asm+0x1a/0x30 [ 5946.860996][ T10] [ 5946.862885][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5946.862885][ T10] netdev_get_by_index+0x5e/0x80 [ 5946.862885][ T10] fib6_nh_init+0x3d8/0x1580 [ 5946.862885][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5946.862885][ T10] ip6_route_add+0x1c/0x140 [ 5946.862885][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5946.862885][ T10] inet6_addr_add+0x4f8/0xa40 [ 5946.862885][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5946.862885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.862885][ T10] netlink_rcv_skb+0x130/0x360 [ 5946.862885][ T10] netlink_unicast+0x449/0x710 [ 5946.862885][ T10] netlink_sendmsg+0x723/0xbe0 [ 5946.862885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5946.862885][ T10] ___sys_sendmsg+0xee/0x170 [ 5946.862885][ T10] __sys_sendmsg+0xcd/0x170 [ 5946.862885][ T10] do_syscall_64+0xc6/0x1e0 [ 5946.862885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.862885][ T10] [ 5946.864862][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5946.864862][ T10] netdev_get_by_index+0x5e/0x80 [ 5946.864862][ T10] fib6_nh_init+0x3d8/0x1580 [ 5946.864862][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5946.864862][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5946.864862][ T10] ipv6_add_addr+0x411/0x2000 [ 5946.864862][ T10] inet6_addr_add+0x30e/0xa40 [ 5946.864862][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5946.864862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.864862][ T10] netlink_rcv_skb+0x130/0x360 [ 5946.864862][ T10] netlink_unicast+0x449/0x710 [ 5946.864862][ T10] netlink_sendmsg+0x723/0xbe0 [ 5946.864862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5946.864862][ T10] ___sys_sendmsg+0xee/0x170 [ 5946.864862][ T10] __sys_sendmsg+0xcd/0x170 [ 5946.864862][ T10] do_syscall_64+0xc6/0x1e0 [ 5946.864862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.864862][ T10] [ 5946.866840][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5946.866840][ T10] netdev_get_by_index+0x5e/0x80 [ 5946.866840][ T10] fib6_nh_init+0x3d8/0x1580 [ 5946.866840][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5946.866840][ T10] ip6_route_add+0x1c/0x140 [ 5946.866840][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5946.866840][ T10] addrconf_add_dev+0xe2/0x170 [ 5946.866840][ T10] inet6_addr_add+0x12f/0xa40 [ 5946.866840][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5946.866840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.866840][ T10] netlink_rcv_skb+0x130/0x360 [ 5946.866840][ T10] netlink_unicast+0x449/0x710 [ 5946.866840][ T10] netlink_sendmsg+0x723/0xbe0 [ 5946.866840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5946.866840][ T10] ___sys_sendmsg+0xee/0x170 [ 5946.866840][ T10] __sys_sendmsg+0xcd/0x170 [ 5946.866840][ T10] do_syscall_64+0xc6/0x1e0 [ 5946.866840][ T10] [ 5946.868794][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5946.868794][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5946.868794][ T10] ipv6_find_idev+0x102/0x170 [ 5946.868794][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5946.868794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.868794][ T10] netlink_rcv_skb+0x130/0x360 [ 5946.868794][ T10] netlink_unicast+0x449/0x710 [ 5946.868794][ T10] netlink_sendmsg+0x723/0xbe0 [ 5946.868794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5946.868794][ T10] ___sys_sendmsg+0xee/0x170 [ 5946.868794][ T10] __sys_sendmsg+0xcd/0x170 [ 5946.868794][ T10] do_syscall_64+0xc6/0x1e0 [ 5946.868794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.868794][ T10] [ 5946.870320][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5946.870320][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5946.870320][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5946.870320][ T10] ipv6_find_idev+0x102/0x170 [ 5946.870320][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5946.870320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.870320][ T10] netlink_rcv_skb+0x130/0x360 [ 5946.870320][ T10] netlink_unicast+0x449/0x710 [ 5946.870320][ T10] netlink_sendmsg+0x723/0xbe0 [ 5946.870320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5946.870320][ T10] ___sys_sendmsg+0xee/0x170 [ 5946.870320][ T10] __sys_sendmsg+0xcd/0x170 [ 5946.870320][ T10] do_syscall_64+0xc6/0x1e0 [ 5946.870320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.870320][ T10] [ 5946.872003][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5946.872242][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5946.872242][ T10] netdev_get_by_index+0x5e/0x80 [ 5946.872242][ T10] fib6_nh_init+0x3d8/0x1580 [ 5946.872242][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5946.872242][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5946.872242][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5946.872242][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5946.872242][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5946.872242][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5946.872242][ T10] addrconf_dad_begin+0x310/0x670 [ 5946.872242][ T10] addrconf_dad_work+0x10b/0xab0 [ 5946.872242][ T10] process_one_work+0x84d/0x18a0 [ 5946.872242][ T10] worker_thread+0x587/0xd30 [ 5946.872242][ T10] kthread+0x28a/0x350 [ 5946.872242][ T10] ret_from_fork+0x31/0x70 [ 5946.872242][ T10] ret_from_fork_asm+0x1a/0x30 [ 5946.872242][ T10] [ 5946.874147][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5946.874147][ T10] netdev_get_by_index+0x5e/0x80 [ 5946.874147][ T10] fib6_nh_init+0x3d8/0x1580 [ 5946.874147][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5946.874147][ T10] ip6_route_add+0x1c/0x140 [ 5946.874147][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5946.874147][ T10] inet6_addr_add+0x4f8/0xa40 [ 5946.874147][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5946.874147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.874147][ T10] netlink_rcv_skb+0x130/0x360 [ 5946.874147][ T10] netlink_unicast+0x449/0x710 [ 5946.874147][ T10] netlink_sendmsg+0x723/0xbe0 [ 5946.874147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5946.874147][ T10] ___sys_sendmsg+0xee/0x170 [ 5946.874147][ T10] __sys_sendmsg+0xcd/0x170 [ 5946.874147][ T10] do_syscall_64+0xc6/0x1e0 [ 5946.874147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.874147][ T10] [ 5946.876313][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5946.876313][ T10] netdev_get_by_index+0x5e/0x80 [ 5946.876313][ T10] fib6_nh_init+0x3d8/0x1580 [ 5946.876313][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5946.876313][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5946.876313][ T10] ipv6_add_addr+0x411/0x2000 [ 5946.876313][ T10] inet6_addr_add+0x30e/0xa40 [ 5946.876313][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5946.876313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.876313][ T10] netlink_rcv_skb+0x130/0x360 [ 5946.876313][ T10] netlink_unicast+0x449/0x710 [ 5946.876313][ T10] netlink_sendmsg+0x723/0xbe0 [ 5946.876313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5946.876313][ T10] ___sys_sendmsg+0xee/0x170 [ 5946.876313][ T10] __sys_sendmsg+0xcd/0x170 [ 5946.876313][ T10] do_syscall_64+0xc6/0x1e0 [ 5946.876313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.876313][ T10] [ 5946.878549][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5946.878549][ T10] netdev_get_by_index+0x5e/0x80 [ 5946.878549][ T10] fib6_nh_init+0x3d8/0x1580 [ 5946.878549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5946.878549][ T10] ip6_route_add+0x1c/0x140 [ 5946.878549][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5946.878549][ T10] addrconf_add_dev+0xe2/0x170 [ 5946.878549][ T10] inet6_addr_add+0x12f/0xa40 [ 5946.878549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5946.878549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.878549][ T10] netlink_rcv_skb+0x130/0x360 [ 5946.878549][ T10] netlink_unicast+0x449/0x710 [ 5946.878549][ T10] netlink_sendmsg+0x723/0xbe0 [ 5946.878549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5946.878549][ T10] ___sys_sendmsg+0xee/0x170 [ 5946.878549][ T10] __sys_sendmsg+0xcd/0x170 [ 5946.878549][ T10] do_syscall_64+0xc6/0x1e0 [ 5946.878549][ T10] [ 5946.880754][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5946.880754][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5946.880754][ T10] ipv6_find_idev+0x102/0x170 [ 5946.880754][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5946.880754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.880754][ T10] netlink_rcv_skb+0x130/0x360 [ 5946.880754][ T10] netlink_unicast+0x449/0x710 [ 5946.880754][ T10] netlink_sendmsg+0x723/0xbe0 [ 5946.880754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5946.880754][ T10] ___sys_sendmsg+0xee/0x170 [ 5946.880754][ T10] __sys_sendmsg+0xcd/0x170 [ 5946.880754][ T10] do_syscall_64+0xc6/0x1e0 [ 5946.880754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.880754][ T10] [ 5946.882470][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5946.882470][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5946.882470][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5946.882470][ T10] ipv6_find_idev+0x102/0x170 [ 5946.882470][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5946.882470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.882470][ T10] netlink_rcv_skb+0x130/0x360 [ 5946.882470][ T10] netlink_unicast+0x449/0x710 [ 5946.882470][ T10] netlink_sendmsg+0x723/0xbe0 [ 5946.882470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5946.882470][ T10] ___sys_sendmsg+0xee/0x170 [ 5946.882470][ T10] __sys_sendmsg+0xcd/0x170 [ 5946.882470][ T10] do_syscall_64+0xc6/0x1e0 [ 5946.882470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.882470][ T10] [ 5946.884392][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5946.884624][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5946.884624][ T10] netdev_get_by_index+0x5e/0x80 [ 5946.884624][ T10] fib6_nh_init+0x3d8/0x1580 [ 5946.884624][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5946.884624][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5946.884624][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5946.884624][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5946.884624][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5946.884624][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5946.884624][ T10] addrconf_dad_begin+0x310/0x670 [ 5946.884624][ T10] addrconf_dad_work+0x10b/0xab0 [ 5946.884624][ T10] process_one_work+0x84d/0x18a0 [ 5946.884624][ T10] worker_thread+0x587/0xd30 [ 5946.884624][ T10] kthread+0x28a/0x350 [ 5946.884624][ T10] ret_from_fork+0x31/0x70 [ 5946.884624][ T10] ret_from_fork_asm+0x1a/0x30 [ 5946.884624][ T10] [ 5946.886768][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5946.886768][ T10] netdev_get_by_index+0x5e/0x80 [ 5946.886768][ T10] fib6_nh_init+0x3d8/0x1580 [ 5946.886768][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5946.886768][ T10] ip6_route_add+0x1c/0x140 [ 5946.886768][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5946.886768][ T10] inet6_addr_add+0x4f8/0xa40 [ 5946.886768][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5946.886768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.886768][ T10] netlink_rcv_skb+0x130/0x360 [ 5946.886768][ T10] netlink_unicast+0x449/0x710 [ 5946.886768][ T10] netlink_sendmsg+0x723/0xbe0 [ 5946.886768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5946.886768][ T10] ___sys_sendmsg+0xee/0x170 [ 5946.886768][ T10] __sys_sendmsg+0xcd/0x170 [ 5946.886768][ T10] do_syscall_64+0xc6/0x1e0 [ 5946.886768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.886768][ T10] [ 5946.889004][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5946.889004][ T10] netdev_get_by_index+0x5e/0x80 [ 5946.889004][ T10] fib6_nh_init+0x3d8/0x1580 [ 5946.889004][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5946.889004][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5946.889004][ T10] ipv6_add_addr+0x411/0x2000 [ 5946.889004][ T10] inet6_addr_add+0x30e/0xa40 [ 5946.889004][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5946.889004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.889004][ T10] netlink_rcv_skb+0x130/0x360 [ 5946.889004][ T10] netlink_unicast+0x449/0x710 [ 5946.889004][ T10] netlink_sendmsg+0x723/0xbe0 [ 5946.889004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5946.889004][ T10] ___sys_sendmsg+0xee/0x170 [ 5946.889004][ T10] __sys_sendmsg+0xcd/0x170 [ 5946.889004][ T10] do_syscall_64+0xc6/0x1e0 [ 5946.889004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.889004][ T10] [ 5946.891239][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5946.891239][ T10] netdev_get_by_index+0x5e/0x80 [ 5946.891239][ T10] fib6_nh_init+0x3d8/0x1580 [ 5946.891239][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5946.891239][ T10] ip6_route_add+0x1c/0x140 [ 5946.891239][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5946.891239][ T10] addrconf_add_dev+0xe2/0x170 [ 5946.891239][ T10] inet6_addr_add+0x12f/0xa40 [ 5946.891239][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5946.891239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.891239][ T10] netlink_rcv_skb+0x130/0x360 [ 5946.891239][ T10] netlink_unicast+0x449/0x710 [ 5946.891239][ T10] netlink_sendmsg+0x723/0xbe0 [ 5946.891239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5946.891239][ T10] ___sys_sendmsg+0xee/0x170 [ 5946.891239][ T10] __sys_sendmsg+0xcd/0x170 [ 5946.891239][ T10] do_syscall_64+0xc6/0x1e0 [ 5946.891239][ T10] [ 5946.893369][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5946.893369][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5946.893369][ T10] ipv6_find_idev+0x102/0x170 [ 5946.893369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5946.893369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.893369][ T10] netlink_rcv_skb+0x130/0x360 [ 5946.893369][ T10] netlink_unicast+0x449/0x710 [ 5946.893369][ T10] netlink_sendmsg+0x723/0xbe0 [ 5946.893369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5946.893369][ T10] ___sys_sendmsg+0xee/0x170 [ 5946.893369][ T10] __sys_sendmsg+0xcd/0x170 [ 5946.893369][ T10] do_syscall_64+0xc6/0x1e0 [ 5946.893369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.893369][ T10] [ 5946.895147][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5946.895147][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5946.895147][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5946.895147][ T10] ipv6_find_idev+0x102/0x170 [ 5946.895147][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5946.895147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.895147][ T10] netlink_rcv_skb+0x130/0x360 [ 5946.895147][ T10] netlink_unicast+0x449/0x710 [ 5946.895147][ T10] netlink_sendmsg+0x723/0xbe0 [ 5946.895147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5946.895147][ T10] ___sys_sendmsg+0xee/0x170 [ 5946.895147][ T10] __sys_sendmsg+0xcd/0x170 [ 5946.895147][ T10] do_syscall_64+0xc6/0x1e0 [ 5946.895147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.895147][ T10] [ 5947.241117][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5947.241607][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5947.241607][ T1167] dst_init+0x84/0x4a0 [ 5947.241607][ T1167] dst_alloc+0x97/0x150 [ 5947.241607][ T1167] ip6_dst_alloc+0x23/0x90 [ 5947.241607][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5947.241607][ T1167] ip6_pol_route+0x56f/0x840 [ 5947.241607][ T1167] fib6_rule_lookup+0x334/0x630 [ 5947.241607][ T1167] ip6_route_output_flags+0x259/0x480 [ 5947.241607][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5947.241607][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5947.241607][ T1167] netlink_rcv_skb+0x130/0x360 [ 5947.241607][ T1167] netlink_unicast+0x449/0x710 [ 5947.241607][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5947.241607][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5947.241607][ T1167] ___sys_sendmsg+0xee/0x170 [ 5947.241607][ T1167] __sys_sendmsg+0xcd/0x170 [ 5947.241607][ T1167] do_syscall_64+0xc6/0x1e0 [ 5947.241607][ T1167] [ 5947.243789][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5947.243789][ T1167] netdev_get_by_index+0x5e/0x80 [ 5947.243789][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5947.243789][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5947.243789][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5947.243789][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5947.243789][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5947.243789][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5947.243789][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5947.243789][ T1167] addrconf_dad_begin+0x310/0x670 [ 5947.243789][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5947.243789][ T1167] process_one_work+0x84d/0x18a0 [ 5947.243789][ T1167] worker_thread+0x587/0xd30 [ 5947.243789][ T1167] kthread+0x28a/0x350 [ 5947.243789][ T1167] ret_from_fork+0x31/0x70 [ 5947.243789][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5947.243789][ T1167] [ 5947.245941][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5947.245941][ T1167] netdev_get_by_index+0x5e/0x80 [ 5947.245941][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5947.245941][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5947.245941][ T1167] ip6_route_add+0x1c/0x140 [ 5947.245941][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5947.245941][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5947.245941][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5947.245941][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5947.245941][ T1167] netlink_rcv_skb+0x130/0x360 [ 5947.245941][ T1167] netlink_unicast+0x449/0x710 [ 5947.245941][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5947.245941][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5947.245941][ T1167] ___sys_sendmsg+0xee/0x170 [ 5947.245941][ T1167] __sys_sendmsg+0xcd/0x170 [ 5947.245941][ T1167] do_syscall_64+0xc6/0x1e0 [ 5947.245941][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5947.245941][ T1167] [ 5947.248164][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5947.248164][ T1167] netdev_get_by_index+0x5e/0x80 [ 5947.248164][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5947.248164][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5947.248164][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5947.248164][ T1167] ipv6_add_addr+0x411/0x2000 [ 5947.248164][ T1167] inet6_addr_add+0x30e/0xa40 [ 5947.248164][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5947.248164][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5947.248164][ T1167] netlink_rcv_skb+0x130/0x360 [ 5947.248164][ T1167] netlink_unicast+0x449/0x710 [ 5947.248164][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5947.248164][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5947.248164][ T1167] ___sys_sendmsg+0xee/0x170 [ 5947.248164][ T1167] __sys_sendmsg+0xcd/0x170 [ 5947.248164][ T1167] do_syscall_64+0xc6/0x1e0 [ 5947.248164][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5947.248164][ T1167] [ 5947.250402][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5947.250402][ T1167] netdev_get_by_index+0x5e/0x80 [ 5947.250402][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5947.250402][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5947.250402][ T1167] ip6_route_add+0x1c/0x140 [ 5947.250402][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5947.250402][ T1167] addrconf_add_dev+0xe2/0x170 [ 5947.250402][ T1167] inet6_addr_add+0x12f/0xa40 [ 5947.250402][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5947.250402][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5947.250402][ T1167] netlink_rcv_skb+0x130/0x360 [ 5947.250402][ T1167] netlink_unicast+0x449/0x710 [ 5947.250402][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5947.250402][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5947.250402][ T1167] ___sys_sendmsg+0xee/0x170 [ 5947.250402][ T1167] __sys_sendmsg+0xcd/0x170 [ 5947.250402][ T1167] do_syscall_64+0xc6/0x1e0 [ 5947.250402][ T1167] [ 5947.252603][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5947.252603][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5947.252603][ T1167] ipv6_find_idev+0x102/0x170 [ 5947.252603][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5947.252603][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5947.252603][ T1167] netlink_rcv_skb+0x130/0x360 [ 5947.252603][ T1167] netlink_unicast+0x449/0x710 [ 5947.252603][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5947.252603][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5947.252603][ T1167] ___sys_sendmsg+0xee/0x170 [ 5947.252603][ T1167] __sys_sendmsg+0xcd/0x170 [ 5947.252603][ T1167] do_syscall_64+0xc6/0x1e0 [ 5947.252603][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5947.252603][ T1167] [ 5947.254318][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5947.254318][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5947.254318][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5947.254318][ T1167] ipv6_find_idev+0x102/0x170 [ 5947.254318][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5947.254318][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5947.254318][ T1167] netlink_rcv_skb+0x130/0x360 [ 5947.254318][ T1167] netlink_unicast+0x449/0x710 [ 5947.254318][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5947.254318][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5947.254318][ T1167] ___sys_sendmsg+0xee/0x170 [ 5947.254318][ T1167] __sys_sendmsg+0xcd/0x170 [ 5947.254318][ T1167] do_syscall_64+0xc6/0x1e0 [ 5947.254318][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5947.254318][ T1167] [ 5957.137112][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5957.137518][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5957.137518][ T10] netdev_get_by_index+0x5e/0x80 [ 5957.137518][ T10] fib6_nh_init+0x3d8/0x1580 [ 5957.137518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5957.137518][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5957.137518][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5957.137518][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5957.137518][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5957.137518][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5957.137518][ T10] addrconf_dad_begin+0x310/0x670 [ 5957.137518][ T10] addrconf_dad_work+0x10b/0xab0 [ 5957.137518][ T10] process_one_work+0x84d/0x18a0 [ 5957.137518][ T10] worker_thread+0x587/0xd30 [ 5957.137518][ T10] kthread+0x28a/0x350 [ 5957.137518][ T10] ret_from_fork+0x31/0x70 [ 5957.137518][ T10] ret_from_fork_asm+0x1a/0x30 [ 5957.137518][ T10] [ 5957.139459][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5957.139459][ T10] netdev_get_by_index+0x5e/0x80 [ 5957.139459][ T10] fib6_nh_init+0x3d8/0x1580 [ 5957.139459][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5957.139459][ T10] ip6_route_add+0x1c/0x140 [ 5957.139459][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5957.139459][ T10] inet6_addr_add+0x4f8/0xa40 [ 5957.139459][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5957.139459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5957.139459][ T10] netlink_rcv_skb+0x130/0x360 [ 5957.139459][ T10] netlink_unicast+0x449/0x710 [ 5957.139459][ T10] netlink_sendmsg+0x723/0xbe0 [ 5957.139459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5957.139459][ T10] ___sys_sendmsg+0xee/0x170 [ 5957.139459][ T10] __sys_sendmsg+0xcd/0x170 [ 5957.139459][ T10] do_syscall_64+0xc6/0x1e0 [ 5957.139459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5957.139459][ T10] [ 5957.141461][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5957.141461][ T10] netdev_get_by_index+0x5e/0x80 [ 5957.141461][ T10] fib6_nh_init+0x3d8/0x1580 [ 5957.141461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5957.141461][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5957.141461][ T10] ipv6_add_addr+0x411/0x2000 [ 5957.141461][ T10] inet6_addr_add+0x30e/0xa40 [ 5957.141461][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5957.141461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5957.141461][ T10] netlink_rcv_skb+0x130/0x360 [ 5957.141461][ T10] netlink_unicast+0x449/0x710 [ 5957.141461][ T10] netlink_sendmsg+0x723/0xbe0 [ 5957.141461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5957.141461][ T10] ___sys_sendmsg+0xee/0x170 [ 5957.141461][ T10] __sys_sendmsg+0xcd/0x170 [ 5957.141461][ T10] do_syscall_64+0xc6/0x1e0 [ 5957.141461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5957.141461][ T10] [ 5957.143449][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5957.143449][ T10] netdev_get_by_index+0x5e/0x80 [ 5957.143449][ T10] fib6_nh_init+0x3d8/0x1580 [ 5957.143449][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5957.143449][ T10] ip6_route_add+0x1c/0x140 [ 5957.143449][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5957.143449][ T10] addrconf_add_dev+0xe2/0x170 [ 5957.143449][ T10] inet6_addr_add+0x12f/0xa40 [ 5957.143449][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5957.143449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5957.143449][ T10] netlink_rcv_skb+0x130/0x360 [ 5957.143449][ T10] netlink_unicast+0x449/0x710 [ 5957.143449][ T10] netlink_sendmsg+0x723/0xbe0 [ 5957.143449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5957.143449][ T10] ___sys_sendmsg+0xee/0x170 [ 5957.143449][ T10] __sys_sendmsg+0xcd/0x170 [ 5957.143449][ T10] do_syscall_64+0xc6/0x1e0 [ 5957.143449][ T10] [ 5957.145403][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5957.145403][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5957.145403][ T10] ipv6_find_idev+0x102/0x170 [ 5957.145403][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5957.145403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5957.145403][ T10] netlink_rcv_skb+0x130/0x360 [ 5957.145403][ T10] netlink_unicast+0x449/0x710 [ 5957.145403][ T10] netlink_sendmsg+0x723/0xbe0 [ 5957.145403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5957.145403][ T10] ___sys_sendmsg+0xee/0x170 [ 5957.145403][ T10] __sys_sendmsg+0xcd/0x170 [ 5957.145403][ T10] do_syscall_64+0xc6/0x1e0 [ 5957.145403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5957.145403][ T10] [ 5957.146932][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5957.146932][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5957.146932][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5957.146932][ T10] ipv6_find_idev+0x102/0x170 [ 5957.146932][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5957.146932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5957.146932][ T10] netlink_rcv_skb+0x130/0x360 [ 5957.146932][ T10] netlink_unicast+0x449/0x710 [ 5957.146932][ T10] netlink_sendmsg+0x723/0xbe0 [ 5957.146932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5957.146932][ T10] ___sys_sendmsg+0xee/0x170 [ 5957.146932][ T10] __sys_sendmsg+0xcd/0x170 [ 5957.146932][ T10] do_syscall_64+0xc6/0x1e0 [ 5957.146932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5957.146932][ T10] [ 5957.148610][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5957.148850][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5957.148850][ T10] netdev_get_by_index+0x5e/0x80 [ 5957.148850][ T10] fib6_nh_init+0x3d8/0x1580 [ 5957.148850][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5957.148850][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5957.148850][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5957.148850][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5957.148850][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5957.148850][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5957.148850][ T10] addrconf_dad_begin+0x310/0x670 [ 5957.148850][ T10] addrconf_dad_work+0x10b/0xab0 [ 5957.148850][ T10] process_one_work+0x84d/0x18a0 [ 5957.148850][ T10] worker_thread+0x587/0xd30 [ 5957.148850][ T10] kthread+0x28a/0x350 [ 5957.148850][ T10] ret_from_fork+0x31/0x70 [ 5957.148850][ T10] ret_from_fork_asm+0x1a/0x30 [ 5957.148850][ T10] [ 5957.150761][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5957.150761][ T10] netdev_get_by_index+0x5e/0x80 [ 5957.150761][ T10] fib6_nh_init+0x3d8/0x1580 [ 5957.150761][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5957.150761][ T10] ip6_route_add+0x1c/0x140 [ 5957.150761][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5957.150761][ T10] inet6_addr_add+0x4f8/0xa40 [ 5957.150761][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5957.150761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5957.150761][ T10] netlink_rcv_skb+0x130/0x360 [ 5957.150761][ T10] netlink_unicast+0x449/0x710 [ 5957.150761][ T10] netlink_sendmsg+0x723/0xbe0 [ 5957.150761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5957.150761][ T10] ___sys_sendmsg+0xee/0x170 [ 5957.150761][ T10] __sys_sendmsg+0xcd/0x170 [ 5957.150761][ T10] do_syscall_64+0xc6/0x1e0 [ 5957.150761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5957.150761][ T10] [ 5957.152761][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5957.152761][ T10] netdev_get_by_index+0x5e/0x80 [ 5957.152761][ T10] fib6_nh_init+0x3d8/0x1580 [ 5957.152761][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5957.152761][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5957.152761][ T10] ipv6_add_addr+0x411/0x2000 [ 5957.152761][ T10] inet6_addr_add+0x30e/0xa40 [ 5957.152761][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5957.152761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5957.152761][ T10] netlink_rcv_skb+0x130/0x360 [ 5957.152761][ T10] netlink_unicast+0x449/0x710 [ 5957.152761][ T10] netlink_sendmsg+0x723/0xbe0 [ 5957.152761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5957.152761][ T10] ___sys_sendmsg+0xee/0x170 [ 5957.152761][ T10] __sys_sendmsg+0xcd/0x170 [ 5957.152761][ T10] do_syscall_64+0xc6/0x1e0 [ 5957.152761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5957.152761][ T10] [ 5957.155266][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5957.155266][ T10] netdev_get_by_index+0x5e/0x80 [ 5957.155266][ T10] fib6_nh_init+0x3d8/0x1580 [ 5957.155266][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5957.155266][ T10] ip6_route_add+0x1c/0x140 [ 5957.155266][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5957.155266][ T10] addrconf_add_dev+0xe2/0x170 [ 5957.155266][ T10] inet6_addr_add+0x12f/0xa40 [ 5957.155266][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5957.155266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5957.155266][ T10] netlink_rcv_skb+0x130/0x360 [ 5957.155266][ T10] netlink_unicast+0x449/0x710 [ 5957.155266][ T10] netlink_sendmsg+0x723/0xbe0 [ 5957.155266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5957.155266][ T10] ___sys_sendmsg+0xee/0x170 [ 5957.155266][ T10] __sys_sendmsg+0xcd/0x170 [ 5957.155266][ T10] do_syscall_64+0xc6/0x1e0 [ 5957.155266][ T10] [ 5957.157227][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5957.157227][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5957.157227][ T10] ipv6_find_idev+0x102/0x170 [ 5957.157227][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5957.157227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5957.157227][ T10] netlink_rcv_skb+0x130/0x360 [ 5957.157227][ T10] netlink_unicast+0x449/0x710 [ 5957.157227][ T10] netlink_sendmsg+0x723/0xbe0 [ 5957.157227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5957.157227][ T10] ___sys_sendmsg+0xee/0x170 [ 5957.157227][ T10] __sys_sendmsg+0xcd/0x170 [ 5957.157227][ T10] do_syscall_64+0xc6/0x1e0 [ 5957.157227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5957.157227][ T10] [ 5957.158769][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5957.158769][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5957.158769][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5957.158769][ T10] ipv6_find_idev+0x102/0x170 [ 5957.158769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5957.158769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5957.158769][ T10] netlink_rcv_skb+0x130/0x360 [ 5957.158769][ T10] netlink_unicast+0x449/0x710 [ 5957.158769][ T10] netlink_sendmsg+0x723/0xbe0 [ 5957.158769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5957.158769][ T10] ___sys_sendmsg+0xee/0x170 [ 5957.158769][ T10] __sys_sendmsg+0xcd/0x170 [ 5957.158769][ T10] do_syscall_64+0xc6/0x1e0 [ 5957.158769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5957.158769][ T10] [ 5957.160462][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5957.160698][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5957.160698][ T10] netdev_get_by_index+0x5e/0x80 [ 5957.160698][ T10] fib6_nh_init+0x3d8/0x1580 [ 5957.160698][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5957.160698][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5957.160698][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5957.160698][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5957.160698][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5957.160698][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5957.160698][ T10] addrconf_dad_begin+0x310/0x670 [ 5957.160698][ T10] addrconf_dad_work+0x10b/0xab0 [ 5957.160698][ T10] process_one_work+0x84d/0x18a0 [ 5957.160698][ T10] worker_thread+0x587/0xd30 [ 5957.160698][ T10] kthread+0x28a/0x350 [ 5957.160698][ T10] ret_from_fork+0x31/0x70 [ 5957.160698][ T10] ret_from_fork_asm+0x1a/0x30 [ 5957.160698][ T10] [ 5957.162615][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5957.162615][ T10] netdev_get_by_index+0x5e/0x80 [ 5957.162615][ T10] fib6_nh_init+0x3d8/0x1580 [ 5957.162615][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5957.162615][ T10] ip6_route_add+0x1c/0x140 [ 5957.162615][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5957.162615][ T10] inet6_addr_add+0x4f8/0xa40 [ 5957.162615][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5957.162615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5957.162615][ T10] netlink_rcv_skb+0x130/0x360 [ 5957.162615][ T10] netlink_unicast+0x449/0x710 [ 5957.162615][ T10] netlink_sendmsg+0x723/0xbe0 [ 5957.162615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5957.162615][ T10] ___sys_sendmsg+0xee/0x170 [ 5957.162615][ T10] __sys_sendmsg+0xcd/0x170 [ 5957.162615][ T10] do_syscall_64+0xc6/0x1e0 [ 5957.162615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5957.162615][ T10] [ 5957.164814][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5957.164814][ T10] netdev_get_by_index+0x5e/0x80 [ 5957.164814][ T10] fib6_nh_init+0x3d8/0x1580 [ 5957.164814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5957.164814][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5957.164814][ T10] ipv6_add_addr+0x411/0x2000 [ 5957.164814][ T10] inet6_addr_add+0x30e/0xa40 [ 5957.164814][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5957.164814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5957.164814][ T10] netlink_rcv_skb+0x130/0x360 [ 5957.164814][ T10] netlink_unicast+0x449/0x710 [ 5957.164814][ T10] netlink_sendmsg+0x723/0xbe0 [ 5957.164814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5957.164814][ T10] ___sys_sendmsg+0xee/0x170 [ 5957.164814][ T10] __sys_sendmsg+0xcd/0x170 [ 5957.164814][ T10] do_syscall_64+0xc6/0x1e0 [ 5957.164814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5957.164814][ T10] [ 5957.167057][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5957.167057][ T10] netdev_get_by_index+0x5e/0x80 [ 5957.167057][ T10] fib6_nh_init+0x3d8/0x1580 [ 5957.167057][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5957.167057][ T10] ip6_route_add+0x1c/0x140 [ 5957.167057][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5957.167057][ T10] addrconf_add_dev+0xe2/0x170 [ 5957.167057][ T10] inet6_addr_add+0x12f/0xa40 [ 5957.167057][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5957.167057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5957.167057][ T10] netlink_rcv_skb+0x130/0x360 [ 5957.167057][ T10] netlink_unicast+0x449/0x710 [ 5957.167057][ T10] netlink_sendmsg+0x723/0xbe0 [ 5957.167057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5957.167057][ T10] ___sys_sendmsg+0xee/0x170 [ 5957.167057][ T10] __sys_sendmsg+0xcd/0x170 [ 5957.167057][ T10] do_syscall_64+0xc6/0x1e0 [ 5957.167057][ T10] [ 5957.169277][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5957.169277][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5957.169277][ T10] ipv6_find_idev+0x102/0x170 [ 5957.169277][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5957.169277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5957.169277][ T10] netlink_rcv_skb+0x130/0x360 [ 5957.169277][ T10] netlink_unicast+0x449/0x710 [ 5957.169277][ T10] netlink_sendmsg+0x723/0xbe0 [ 5957.169277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5957.169277][ T10] ___sys_sendmsg+0xee/0x170 [ 5957.169277][ T10] __sys_sendmsg+0xcd/0x170 [ 5957.169277][ T10] do_syscall_64+0xc6/0x1e0 [ 5957.169277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5957.169277][ T10] [ 5957.171079][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5957.171079][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5957.171079][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5957.171079][ T10] ipv6_find_idev+0x102/0x170 [ 5957.171079][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5957.171079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5957.171079][ T10] netlink_rcv_skb+0x130/0x360 [ 5957.171079][ T10] netlink_unicast+0x449/0x710 [ 5957.171079][ T10] netlink_sendmsg+0x723/0xbe0 [ 5957.171079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5957.171079][ T10] ___sys_sendmsg+0xee/0x170 [ 5957.171079][ T10] __sys_sendmsg+0xcd/0x170 [ 5957.171079][ T10] do_syscall_64+0xc6/0x1e0 [ 5957.171079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5957.171079][ T10] [ 5957.172947][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5957.173617][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5957.173617][ T10] netdev_get_by_index+0x5e/0x80 [ 5957.173617][ T10] fib6_nh_init+0x3d8/0x1580 [ 5957.173617][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5957.173617][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5957.173617][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5957.173617][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5957.173617][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5957.173617][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5957.173617][ T10] addrconf_dad_begin+0x310/0x670 [ 5957.173617][ T10] addrconf_dad_work+0x10b/0xab0 [ 5957.173617][ T10] process_one_work+0x84d/0x18a0 [ 5957.173617][ T10] worker_thread+0x587/0xd30 [ 5957.173617][ T10] kthread+0x28a/0x350 [ 5957.173617][ T10] ret_from_fork+0x31/0x70 [ 5957.173617][ T10] ret_from_fork_asm+0x1a/0x30 [ 5957.173617][ T10] [ 5957.175534][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5957.175534][ T10] netdev_get_by_index+0x5e/0x80 [ 5957.175534][ T10] fib6_nh_init+0x3d8/0x1580 [ 5957.175534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5957.175534][ T10] ip6_route_add+0x1c/0x140 [ 5957.175534][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5957.175534][ T10] inet6_addr_add+0x4f8/0xa40 [ 5957.175534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5957.175534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5957.175534][ T10] netlink_rcv_skb+0x130/0x360 [ 5957.175534][ T10] netlink_unicast+0x449/0x710 [ 5957.175534][ T10] netlink_sendmsg+0x723/0xbe0 [ 5957.175534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5957.175534][ T10] ___sys_sendmsg+0xee/0x170 [ 5957.175534][ T10] __sys_sendmsg+0xcd/0x170 [ 5957.175534][ T10] do_syscall_64+0xc6/0x1e0 [ 5957.175534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5957.175534][ T10] [ 5957.178027][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5957.178027][ T10] netdev_get_by_index+0x5e/0x80 [ 5957.178027][ T10] fib6_nh_init+0x3d8/0x1580 [ 5957.178027][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5957.178027][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5957.178027][ T10] ipv6_add_addr+0x411/0x2000 [ 5957.178027][ T10] inet6_addr_add+0x30e/0xa40 [ 5957.178027][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5957.178027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5957.178027][ T10] netlink_rcv_skb+0x130/0x360 [ 5957.178027][ T10] netlink_unicast+0x449/0x710 [ 5957.178027][ T10] netlink_sendmsg+0x723/0xbe0 [ 5957.178027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5957.178027][ T10] ___sys_sendmsg+0xee/0x170 [ 5957.178027][ T10] __sys_sendmsg+0xcd/0x170 [ 5957.178027][ T10] do_syscall_64+0xc6/0x1e0 [ 5957.178027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5957.178027][ T10] [ 5957.180254][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5957.180254][ T10] netdev_get_by_index+0x5e/0x80 [ 5957.180254][ T10] fib6_nh_init+0x3d8/0x1580 [ 5957.180254][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5957.180254][ T10] ip6_route_add+0x1c/0x140 [ 5957.180254][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5957.180254][ T10] addrconf_add_dev+0xe2/0x170 [ 5957.180254][ T10] inet6_addr_add+0x12f/0xa40 [ 5957.180254][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5957.180254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5957.180254][ T10] netlink_rcv_skb+0x130/0x360 [ 5957.180254][ T10] netlink_unicast+0x449/0x710 [ 5957.180254][ T10] netlink_sendmsg+0x723/0xbe0 [ 5957.180254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5957.180254][ T10] ___sys_sendmsg+0xee/0x170 [ 5957.180254][ T10] __sys_sendmsg+0xcd/0x170 [ 5957.180254][ T10] do_syscall_64+0xc6/0x1e0 [ 5957.180254][ T10] [ 5957.182380][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5957.182380][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5957.182380][ T10] ipv6_find_idev+0x102/0x170 [ 5957.182380][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5957.182380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5957.182380][ T10] netlink_rcv_skb+0x130/0x360 [ 5957.182380][ T10] netlink_unicast+0x449/0x710 [ 5957.182380][ T10] netlink_sendmsg+0x723/0xbe0 [ 5957.182380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5957.182380][ T10] ___sys_sendmsg+0xee/0x170 [ 5957.182380][ T10] __sys_sendmsg+0xcd/0x170 [ 5957.182380][ T10] do_syscall_64+0xc6/0x1e0 [ 5957.182380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5957.182380][ T10] [ 5957.184162][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5957.184162][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5957.184162][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5957.184162][ T10] ipv6_find_idev+0x102/0x170 [ 5957.184162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5957.184162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5957.184162][ T10] netlink_rcv_skb+0x130/0x360 [ 5957.184162][ T10] netlink_unicast+0x449/0x710 [ 5957.184162][ T10] netlink_sendmsg+0x723/0xbe0 [ 5957.184162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5957.184162][ T10] ___sys_sendmsg+0xee/0x170 [ 5957.184162][ T10] __sys_sendmsg+0xcd/0x170 [ 5957.184162][ T10] do_syscall_64+0xc6/0x1e0 [ 5957.184162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5957.184162][ T10] [ 5957.505124][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5957.505562][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5957.505562][ T1167] dst_init+0x84/0x4a0 [ 5957.505562][ T1167] dst_alloc+0x97/0x150 [ 5957.505562][ T1167] ip6_dst_alloc+0x23/0x90 [ 5957.505562][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5957.505562][ T1167] ip6_pol_route+0x56f/0x840 [ 5957.505562][ T1167] fib6_rule_lookup+0x334/0x630 [ 5957.505562][ T1167] ip6_route_output_flags+0x259/0x480 [ 5957.505562][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5957.505562][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5957.505562][ T1167] netlink_rcv_skb+0x130/0x360 [ 5957.505562][ T1167] netlink_unicast+0x449/0x710 [ 5957.505562][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5957.505562][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5957.505562][ T1167] ___sys_sendmsg+0xee/0x170 [ 5957.505562][ T1167] __sys_sendmsg+0xcd/0x170 [ 5957.505562][ T1167] do_syscall_64+0xc6/0x1e0 [ 5957.505562][ T1167] [ 5957.507753][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5957.507753][ T1167] netdev_get_by_index+0x5e/0x80 [ 5957.507753][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5957.507753][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5957.507753][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5957.507753][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5957.507753][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5957.507753][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5957.507753][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5957.507753][ T1167] addrconf_dad_begin+0x310/0x670 [ 5957.507753][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5957.507753][ T1167] process_one_work+0x84d/0x18a0 [ 5957.507753][ T1167] worker_thread+0x587/0xd30 [ 5957.507753][ T1167] kthread+0x28a/0x350 [ 5957.507753][ T1167] ret_from_fork+0x31/0x70 [ 5957.507753][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5957.507753][ T1167] [ 5957.509888][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5957.509888][ T1167] netdev_get_by_index+0x5e/0x80 [ 5957.509888][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5957.509888][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5957.509888][ T1167] ip6_route_add+0x1c/0x140 [ 5957.509888][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5957.509888][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5957.509888][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5957.509888][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5957.509888][ T1167] netlink_rcv_skb+0x130/0x360 [ 5957.509888][ T1167] netlink_unicast+0x449/0x710 [ 5957.509888][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5957.509888][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5957.509888][ T1167] ___sys_sendmsg+0xee/0x170 [ 5957.509888][ T1167] __sys_sendmsg+0xcd/0x170 [ 5957.509888][ T1167] do_syscall_64+0xc6/0x1e0 [ 5957.509888][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5957.509888][ T1167] [ 5957.512135][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5957.512135][ T1167] netdev_get_by_index+0x5e/0x80 [ 5957.512135][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5957.512135][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5957.512135][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5957.512135][ T1167] ipv6_add_addr+0x411/0x2000 [ 5957.512135][ T1167] inet6_addr_add+0x30e/0xa40 [ 5957.512135][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5957.512135][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5957.512135][ T1167] netlink_rcv_skb+0x130/0x360 [ 5957.512135][ T1167] netlink_unicast+0x449/0x710 [ 5957.512135][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5957.512135][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5957.512135][ T1167] ___sys_sendmsg+0xee/0x170 [ 5957.512135][ T1167] __sys_sendmsg+0xcd/0x170 [ 5957.512135][ T1167] do_syscall_64+0xc6/0x1e0 [ 5957.512135][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5957.512135][ T1167] [ 5957.514367][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5957.514367][ T1167] netdev_get_by_index+0x5e/0x80 [ 5957.514367][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5957.514367][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5957.514367][ T1167] ip6_route_add+0x1c/0x140 [ 5957.514367][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5957.514367][ T1167] addrconf_add_dev+0xe2/0x170 [ 5957.514367][ T1167] inet6_addr_add+0x12f/0xa40 [ 5957.514367][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5957.514367][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5957.514367][ T1167] netlink_rcv_skb+0x130/0x360 [ 5957.514367][ T1167] netlink_unicast+0x449/0x710 [ 5957.514367][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5957.514367][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5957.514367][ T1167] ___sys_sendmsg+0xee/0x170 [ 5957.514367][ T1167] __sys_sendmsg+0xcd/0x170 [ 5957.514367][ T1167] do_syscall_64+0xc6/0x1e0 [ 5957.514367][ T1167] [ 5957.516570][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5957.516570][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5957.516570][ T1167] ipv6_find_idev+0x102/0x170 [ 5957.516570][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5957.516570][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5957.516570][ T1167] netlink_rcv_skb+0x130/0x360 [ 5957.516570][ T1167] netlink_unicast+0x449/0x710 [ 5957.516570][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5957.516570][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5957.516570][ T1167] ___sys_sendmsg+0xee/0x170 [ 5957.516570][ T1167] __sys_sendmsg+0xcd/0x170 [ 5957.516570][ T1167] do_syscall_64+0xc6/0x1e0 [ 5957.516570][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5957.516570][ T1167] [ 5957.518287][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5957.518287][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5957.518287][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5957.518287][ T1167] ipv6_find_idev+0x102/0x170 [ 5957.518287][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5957.518287][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5957.518287][ T1167] netlink_rcv_skb+0x130/0x360 [ 5957.518287][ T1167] netlink_unicast+0x449/0x710 [ 5957.518287][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5957.518287][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5957.518287][ T1167] ___sys_sendmsg+0xee/0x170 [ 5957.518287][ T1167] __sys_sendmsg+0xcd/0x170 [ 5957.518287][ T1167] do_syscall_64+0xc6/0x1e0 [ 5957.518287][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5957.518287][ T1167] [ 5967.425114][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5967.425516][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5967.425516][ T10] netdev_get_by_index+0x5e/0x80 [ 5967.425516][ T10] fib6_nh_init+0x3d8/0x1580 [ 5967.425516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5967.425516][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5967.425516][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5967.425516][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5967.425516][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5967.425516][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5967.425516][ T10] addrconf_dad_begin+0x310/0x670 [ 5967.425516][ T10] addrconf_dad_work+0x10b/0xab0 [ 5967.425516][ T10] process_one_work+0x84d/0x18a0 [ 5967.425516][ T10] worker_thread+0x587/0xd30 [ 5967.425516][ T10] kthread+0x28a/0x350 [ 5967.425516][ T10] ret_from_fork+0x31/0x70 [ 5967.425516][ T10] ret_from_fork_asm+0x1a/0x30 [ 5967.425516][ T10] [ 5967.427458][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5967.427458][ T10] netdev_get_by_index+0x5e/0x80 [ 5967.427458][ T10] fib6_nh_init+0x3d8/0x1580 [ 5967.427458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5967.427458][ T10] ip6_route_add+0x1c/0x140 [ 5967.427458][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5967.427458][ T10] inet6_addr_add+0x4f8/0xa40 [ 5967.427458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5967.427458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.427458][ T10] netlink_rcv_skb+0x130/0x360 [ 5967.427458][ T10] netlink_unicast+0x449/0x710 [ 5967.427458][ T10] netlink_sendmsg+0x723/0xbe0 [ 5967.427458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5967.427458][ T10] ___sys_sendmsg+0xee/0x170 [ 5967.427458][ T10] __sys_sendmsg+0xcd/0x170 [ 5967.427458][ T10] do_syscall_64+0xc6/0x1e0 [ 5967.427458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.427458][ T10] [ 5967.431878][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5967.431878][ T10] netdev_get_by_index+0x5e/0x80 [ 5967.431878][ T10] fib6_nh_init+0x3d8/0x1580 [ 5967.431878][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5967.431878][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5967.431878][ T10] ipv6_add_addr+0x411/0x2000 [ 5967.431878][ T10] inet6_addr_add+0x30e/0xa40 [ 5967.431878][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5967.431878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.431878][ T10] netlink_rcv_skb+0x130/0x360 [ 5967.431878][ T10] netlink_unicast+0x449/0x710 [ 5967.431878][ T10] netlink_sendmsg+0x723/0xbe0 [ 5967.431878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5967.431878][ T10] ___sys_sendmsg+0xee/0x170 [ 5967.431878][ T10] __sys_sendmsg+0xcd/0x170 [ 5967.431878][ T10] do_syscall_64+0xc6/0x1e0 [ 5967.431878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.431878][ T10] [ 5967.433885][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5967.433885][ T10] netdev_get_by_index+0x5e/0x80 [ 5967.433885][ T10] fib6_nh_init+0x3d8/0x1580 [ 5967.433885][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5967.433885][ T10] ip6_route_add+0x1c/0x140 [ 5967.433885][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5967.433885][ T10] addrconf_add_dev+0xe2/0x170 [ 5967.433885][ T10] inet6_addr_add+0x12f/0xa40 [ 5967.433885][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5967.433885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.433885][ T10] netlink_rcv_skb+0x130/0x360 [ 5967.433885][ T10] netlink_unicast+0x449/0x710 [ 5967.433885][ T10] netlink_sendmsg+0x723/0xbe0 [ 5967.433885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5967.433885][ T10] ___sys_sendmsg+0xee/0x170 [ 5967.433885][ T10] __sys_sendmsg+0xcd/0x170 [ 5967.433885][ T10] do_syscall_64+0xc6/0x1e0 [ 5967.433885][ T10] [ 5967.435850][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5967.435850][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5967.435850][ T10] ipv6_find_idev+0x102/0x170 [ 5967.435850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5967.435850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.435850][ T10] netlink_rcv_skb+0x130/0x360 [ 5967.435850][ T10] netlink_unicast+0x449/0x710 [ 5967.435850][ T10] netlink_sendmsg+0x723/0xbe0 [ 5967.435850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5967.435850][ T10] ___sys_sendmsg+0xee/0x170 [ 5967.435850][ T10] __sys_sendmsg+0xcd/0x170 [ 5967.435850][ T10] do_syscall_64+0xc6/0x1e0 [ 5967.435850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.435850][ T10] [ 5967.437394][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5967.437394][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5967.437394][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5967.437394][ T10] ipv6_find_idev+0x102/0x170 [ 5967.437394][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5967.437394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.437394][ T10] netlink_rcv_skb+0x130/0x360 [ 5967.437394][ T10] netlink_unicast+0x449/0x710 [ 5967.437394][ T10] netlink_sendmsg+0x723/0xbe0 [ 5967.437394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5967.437394][ T10] ___sys_sendmsg+0xee/0x170 [ 5967.437394][ T10] __sys_sendmsg+0xcd/0x170 [ 5967.437394][ T10] do_syscall_64+0xc6/0x1e0 [ 5967.437394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.437394][ T10] [ 5967.439086][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5967.439339][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5967.439339][ T10] netdev_get_by_index+0x5e/0x80 [ 5967.439339][ T10] fib6_nh_init+0x3d8/0x1580 [ 5967.439339][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5967.439339][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5967.439339][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5967.439339][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5967.439339][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5967.439339][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5967.439339][ T10] addrconf_dad_begin+0x310/0x670 [ 5967.439339][ T10] addrconf_dad_work+0x10b/0xab0 [ 5967.439339][ T10] process_one_work+0x84d/0x18a0 [ 5967.439339][ T10] worker_thread+0x587/0xd30 [ 5967.439339][ T10] kthread+0x28a/0x350 [ 5967.439339][ T10] ret_from_fork+0x31/0x70 [ 5967.439339][ T10] ret_from_fork_asm+0x1a/0x30 [ 5967.439339][ T10] [ 5967.441242][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5967.441242][ T10] netdev_get_by_index+0x5e/0x80 [ 5967.441242][ T10] fib6_nh_init+0x3d8/0x1580 [ 5967.441242][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5967.441242][ T10] ip6_route_add+0x1c/0x140 [ 5967.441242][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5967.441242][ T10] inet6_addr_add+0x4f8/0xa40 [ 5967.441242][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5967.441242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.441242][ T10] netlink_rcv_skb+0x130/0x360 [ 5967.441242][ T10] netlink_unicast+0x449/0x710 [ 5967.441242][ T10] netlink_sendmsg+0x723/0xbe0 [ 5967.441242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5967.441242][ T10] ___sys_sendmsg+0xee/0x170 [ 5967.441242][ T10] __sys_sendmsg+0xcd/0x170 [ 5967.441242][ T10] do_syscall_64+0xc6/0x1e0 [ 5967.441242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.441242][ T10] [ 5967.443243][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5967.443243][ T10] netdev_get_by_index+0x5e/0x80 [ 5967.443243][ T10] fib6_nh_init+0x3d8/0x1580 [ 5967.443243][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5967.443243][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5967.443243][ T10] ipv6_add_addr+0x411/0x2000 [ 5967.443243][ T10] inet6_addr_add+0x30e/0xa40 [ 5967.443243][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5967.443243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.443243][ T10] netlink_rcv_skb+0x130/0x360 [ 5967.443243][ T10] netlink_unicast+0x449/0x710 [ 5967.443243][ T10] netlink_sendmsg+0x723/0xbe0 [ 5967.443243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5967.443243][ T10] ___sys_sendmsg+0xee/0x170 [ 5967.443243][ T10] __sys_sendmsg+0xcd/0x170 [ 5967.443243][ T10] do_syscall_64+0xc6/0x1e0 [ 5967.443243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.443243][ T10] [ 5967.445232][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5967.445232][ T10] netdev_get_by_index+0x5e/0x80 [ 5967.445232][ T10] fib6_nh_init+0x3d8/0x1580 [ 5967.445232][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5967.445232][ T10] ip6_route_add+0x1c/0x140 [ 5967.445232][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5967.445232][ T10] addrconf_add_dev+0xe2/0x170 [ 5967.445232][ T10] inet6_addr_add+0x12f/0xa40 [ 5967.445232][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5967.445232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.445232][ T10] netlink_rcv_skb+0x130/0x360 [ 5967.445232][ T10] netlink_unicast+0x449/0x710 [ 5967.445232][ T10] netlink_sendmsg+0x723/0xbe0 [ 5967.445232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5967.445232][ T10] ___sys_sendmsg+0xee/0x170 [ 5967.445232][ T10] __sys_sendmsg+0xcd/0x170 [ 5967.445232][ T10] do_syscall_64+0xc6/0x1e0 [ 5967.445232][ T10] [ 5967.447200][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5967.447200][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5967.447200][ T10] ipv6_find_idev+0x102/0x170 [ 5967.447200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5967.447200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.447200][ T10] netlink_rcv_skb+0x130/0x360 [ 5967.447200][ T10] netlink_unicast+0x449/0x710 [ 5967.447200][ T10] netlink_sendmsg+0x723/0xbe0 [ 5967.447200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5967.447200][ T10] ___sys_sendmsg+0xee/0x170 [ 5967.447200][ T10] __sys_sendmsg+0xcd/0x170 [ 5967.447200][ T10] do_syscall_64+0xc6/0x1e0 [ 5967.447200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.447200][ T10] [ 5967.448740][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5967.448740][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5967.448740][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5967.448740][ T10] ipv6_find_idev+0x102/0x170 [ 5967.448740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5967.448740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.448740][ T10] netlink_rcv_skb+0x130/0x360 [ 5967.448740][ T10] netlink_unicast+0x449/0x710 [ 5967.448740][ T10] netlink_sendmsg+0x723/0xbe0 [ 5967.448740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5967.448740][ T10] ___sys_sendmsg+0xee/0x170 [ 5967.448740][ T10] __sys_sendmsg+0xcd/0x170 [ 5967.448740][ T10] do_syscall_64+0xc6/0x1e0 [ 5967.448740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.448740][ T10] [ 5967.450454][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5967.450697][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5967.450697][ T10] netdev_get_by_index+0x5e/0x80 [ 5967.450697][ T10] fib6_nh_init+0x3d8/0x1580 [ 5967.450697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5967.450697][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5967.450697][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5967.450697][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5967.450697][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5967.450697][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5967.450697][ T10] addrconf_dad_begin+0x310/0x670 [ 5967.450697][ T10] addrconf_dad_work+0x10b/0xab0 [ 5967.450697][ T10] process_one_work+0x84d/0x18a0 [ 5967.450697][ T10] worker_thread+0x587/0xd30 [ 5967.450697][ T10] kthread+0x28a/0x350 [ 5967.450697][ T10] ret_from_fork+0x31/0x70 [ 5967.450697][ T10] ret_from_fork_asm+0x1a/0x30 [ 5967.450697][ T10] [ 5967.452611][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5967.452611][ T10] netdev_get_by_index+0x5e/0x80 [ 5967.452611][ T10] fib6_nh_init+0x3d8/0x1580 [ 5967.452611][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5967.452611][ T10] ip6_route_add+0x1c/0x140 [ 5967.452611][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5967.452611][ T10] inet6_addr_add+0x4f8/0xa40 [ 5967.452611][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5967.452611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.452611][ T10] netlink_rcv_skb+0x130/0x360 [ 5967.452611][ T10] netlink_unicast+0x449/0x710 [ 5967.452611][ T10] netlink_sendmsg+0x723/0xbe0 [ 5967.452611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5967.452611][ T10] ___sys_sendmsg+0xee/0x170 [ 5967.452611][ T10] __sys_sendmsg+0xcd/0x170 [ 5967.452611][ T10] do_syscall_64+0xc6/0x1e0 [ 5967.452611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.452611][ T10] [ 5967.454779][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5967.454779][ T10] netdev_get_by_index+0x5e/0x80 [ 5967.454779][ T10] fib6_nh_init+0x3d8/0x1580 [ 5967.454779][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5967.454779][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5967.454779][ T10] ipv6_add_addr+0x411/0x2000 [ 5967.454779][ T10] inet6_addr_add+0x30e/0xa40 [ 5967.454779][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5967.454779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.454779][ T10] netlink_rcv_skb+0x130/0x360 [ 5967.454779][ T10] netlink_unicast+0x449/0x710 [ 5967.454779][ T10] netlink_sendmsg+0x723/0xbe0 [ 5967.454779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5967.454779][ T10] ___sys_sendmsg+0xee/0x170 [ 5967.454779][ T10] __sys_sendmsg+0xcd/0x170 [ 5967.454779][ T10] do_syscall_64+0xc6/0x1e0 [ 5967.454779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.454779][ T10] [ 5967.456934][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5967.456934][ T10] netdev_get_by_index+0x5e/0x80 [ 5967.456934][ T10] fib6_nh_init+0x3d8/0x1580 [ 5967.456934][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5967.456934][ T10] ip6_route_add+0x1c/0x140 [ 5967.456934][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5967.456934][ T10] addrconf_add_dev+0xe2/0x170 [ 5967.456934][ T10] inet6_addr_add+0x12f/0xa40 [ 5967.456934][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5967.456934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.456934][ T10] netlink_rcv_skb+0x130/0x360 [ 5967.456934][ T10] netlink_unicast+0x449/0x710 [ 5967.456934][ T10] netlink_sendmsg+0x723/0xbe0 [ 5967.456934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5967.456934][ T10] ___sys_sendmsg+0xee/0x170 [ 5967.456934][ T10] __sys_sendmsg+0xcd/0x170 [ 5967.456934][ T10] do_syscall_64+0xc6/0x1e0 [ 5967.456934][ T10] [ 5967.459068][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5967.459068][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5967.459068][ T10] ipv6_find_idev+0x102/0x170 [ 5967.459068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5967.459068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.459068][ T10] netlink_rcv_skb+0x130/0x360 [ 5967.459068][ T10] netlink_unicast+0x449/0x710 [ 5967.459068][ T10] netlink_sendmsg+0x723/0xbe0 [ 5967.459068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5967.459068][ T10] ___sys_sendmsg+0xee/0x170 [ 5967.459068][ T10] __sys_sendmsg+0xcd/0x170 [ 5967.459068][ T10] do_syscall_64+0xc6/0x1e0 [ 5967.459068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.459068][ T10] [ 5967.460774][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5967.460774][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5967.460774][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5967.460774][ T10] ipv6_find_idev+0x102/0x170 [ 5967.460774][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5967.460774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.460774][ T10] netlink_rcv_skb+0x130/0x360 [ 5967.460774][ T10] netlink_unicast+0x449/0x710 [ 5967.460774][ T10] netlink_sendmsg+0x723/0xbe0 [ 5967.460774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5967.460774][ T10] ___sys_sendmsg+0xee/0x170 [ 5967.460774][ T10] __sys_sendmsg+0xcd/0x170 [ 5967.460774][ T10] do_syscall_64+0xc6/0x1e0 [ 5967.460774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.460774][ T10] [ 5967.462538][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5967.462773][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5967.462773][ T10] netdev_get_by_index+0x5e/0x80 [ 5967.462773][ T10] fib6_nh_init+0x3d8/0x1580 [ 5967.462773][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5967.462773][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5967.462773][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5967.462773][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5967.462773][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5967.462773][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5967.462773][ T10] addrconf_dad_begin+0x310/0x670 [ 5967.462773][ T10] addrconf_dad_work+0x10b/0xab0 [ 5967.462773][ T10] process_one_work+0x84d/0x18a0 [ 5967.462773][ T10] worker_thread+0x587/0xd30 [ 5967.462773][ T10] kthread+0x28a/0x350 [ 5967.462773][ T10] ret_from_fork+0x31/0x70 [ 5967.462773][ T10] ret_from_fork_asm+0x1a/0x30 [ 5967.462773][ T10] [ 5967.464842][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5967.464842][ T10] netdev_get_by_index+0x5e/0x80 [ 5967.464842][ T10] fib6_nh_init+0x3d8/0x1580 [ 5967.464842][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5967.464842][ T10] ip6_route_add+0x1c/0x140 [ 5967.464842][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5967.464842][ T10] inet6_addr_add+0x4f8/0xa40 [ 5967.464842][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5967.464842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.464842][ T10] netlink_rcv_skb+0x130/0x360 [ 5967.464842][ T10] netlink_unicast+0x449/0x710 [ 5967.464842][ T10] netlink_sendmsg+0x723/0xbe0 [ 5967.464842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5967.464842][ T10] ___sys_sendmsg+0xee/0x170 [ 5967.464842][ T10] __sys_sendmsg+0xcd/0x170 [ 5967.464842][ T10] do_syscall_64+0xc6/0x1e0 [ 5967.464842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.464842][ T10] [ 5967.466990][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5967.466990][ T10] netdev_get_by_index+0x5e/0x80 [ 5967.466990][ T10] fib6_nh_init+0x3d8/0x1580 [ 5967.466990][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5967.466990][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5967.466990][ T10] ipv6_add_addr+0x411/0x2000 [ 5967.466990][ T10] inet6_addr_add+0x30e/0xa40 [ 5967.466990][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5967.466990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.466990][ T10] netlink_rcv_skb+0x130/0x360 [ 5967.466990][ T10] netlink_unicast+0x449/0x710 [ 5967.466990][ T10] netlink_sendmsg+0x723/0xbe0 [ 5967.466990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5967.466990][ T10] ___sys_sendmsg+0xee/0x170 [ 5967.466990][ T10] __sys_sendmsg+0xcd/0x170 [ 5967.466990][ T10] do_syscall_64+0xc6/0x1e0 [ 5967.466990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.466990][ T10] [ 5967.469223][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5967.469223][ T10] netdev_get_by_index+0x5e/0x80 [ 5967.469223][ T10] fib6_nh_init+0x3d8/0x1580 [ 5967.469223][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5967.469223][ T10] ip6_route_add+0x1c/0x140 [ 5967.469223][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5967.469223][ T10] addrconf_add_dev+0xe2/0x170 [ 5967.469223][ T10] inet6_addr_add+0x12f/0xa40 [ 5967.469223][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5967.469223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.469223][ T10] netlink_rcv_skb+0x130/0x360 [ 5967.469223][ T10] netlink_unicast+0x449/0x710 [ 5967.469223][ T10] netlink_sendmsg+0x723/0xbe0 [ 5967.469223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5967.469223][ T10] ___sys_sendmsg+0xee/0x170 [ 5967.469223][ T10] __sys_sendmsg+0xcd/0x170 [ 5967.469223][ T10] do_syscall_64+0xc6/0x1e0 [ 5967.469223][ T10] [ 5967.471342][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5967.471342][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5967.471342][ T10] ipv6_find_idev+0x102/0x170 [ 5967.471342][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5967.471342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.471342][ T10] netlink_rcv_skb+0x130/0x360 [ 5967.471342][ T10] netlink_unicast+0x449/0x710 [ 5967.471342][ T10] netlink_sendmsg+0x723/0xbe0 [ 5967.471342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5967.471342][ T10] ___sys_sendmsg+0xee/0x170 [ 5967.471342][ T10] __sys_sendmsg+0xcd/0x170 [ 5967.471342][ T10] do_syscall_64+0xc6/0x1e0 [ 5967.471342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.471342][ T10] [ 5967.472959][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5967.472959][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5967.472959][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5967.472959][ T10] ipv6_find_idev+0x102/0x170 [ 5967.472959][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5967.472959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.472959][ T10] netlink_rcv_skb+0x130/0x360 [ 5967.472959][ T10] netlink_unicast+0x449/0x710 [ 5967.472959][ T10] netlink_sendmsg+0x723/0xbe0 [ 5967.472959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5967.472959][ T10] ___sys_sendmsg+0xee/0x170 [ 5967.472959][ T10] __sys_sendmsg+0xcd/0x170 [ 5967.472959][ T10] do_syscall_64+0xc6/0x1e0 [ 5967.472959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.472959][ T10] [ 5967.769113][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5967.769538][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5967.769538][ T1167] dst_init+0x84/0x4a0 [ 5967.769538][ T1167] dst_alloc+0x97/0x150 [ 5967.769538][ T1167] ip6_dst_alloc+0x23/0x90 [ 5967.769538][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5967.769538][ T1167] ip6_pol_route+0x56f/0x840 [ 5967.769538][ T1167] fib6_rule_lookup+0x334/0x630 [ 5967.769538][ T1167] ip6_route_output_flags+0x259/0x480 [ 5967.769538][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5967.769538][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5967.769538][ T1167] netlink_rcv_skb+0x130/0x360 [ 5967.769538][ T1167] netlink_unicast+0x449/0x710 [ 5967.769538][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5967.769538][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5967.769538][ T1167] ___sys_sendmsg+0xee/0x170 [ 5967.769538][ T1167] __sys_sendmsg+0xcd/0x170 [ 5967.769538][ T1167] do_syscall_64+0xc6/0x1e0 [ 5967.769538][ T1167] [ 5967.771733][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5967.771733][ T1167] netdev_get_by_index+0x5e/0x80 [ 5967.771733][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5967.771733][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5967.771733][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5967.771733][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5967.771733][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5967.771733][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5967.771733][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5967.771733][ T1167] addrconf_dad_begin+0x310/0x670 [ 5967.771733][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5967.771733][ T1167] process_one_work+0x84d/0x18a0 [ 5967.771733][ T1167] worker_thread+0x587/0xd30 [ 5967.771733][ T1167] kthread+0x28a/0x350 [ 5967.771733][ T1167] ret_from_fork+0x31/0x70 [ 5967.771733][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5967.771733][ T1167] [ 5967.773875][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5967.773875][ T1167] netdev_get_by_index+0x5e/0x80 [ 5967.773875][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5967.773875][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5967.773875][ T1167] ip6_route_add+0x1c/0x140 [ 5967.773875][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5967.773875][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5967.773875][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5967.773875][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.773875][ T1167] netlink_rcv_skb+0x130/0x360 [ 5967.773875][ T1167] netlink_unicast+0x449/0x710 [ 5967.773875][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5967.773875][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5967.773875][ T1167] ___sys_sendmsg+0xee/0x170 [ 5967.773875][ T1167] __sys_sendmsg+0xcd/0x170 [ 5967.773875][ T1167] do_syscall_64+0xc6/0x1e0 [ 5967.773875][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.773875][ T1167] [ 5967.776131][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5967.776131][ T1167] netdev_get_by_index+0x5e/0x80 [ 5967.776131][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5967.776131][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5967.776131][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5967.776131][ T1167] ipv6_add_addr+0x411/0x2000 [ 5967.776131][ T1167] inet6_addr_add+0x30e/0xa40 [ 5967.776131][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5967.776131][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.776131][ T1167] netlink_rcv_skb+0x130/0x360 [ 5967.776131][ T1167] netlink_unicast+0x449/0x710 [ 5967.776131][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5967.776131][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5967.776131][ T1167] ___sys_sendmsg+0xee/0x170 [ 5967.776131][ T1167] __sys_sendmsg+0xcd/0x170 [ 5967.776131][ T1167] do_syscall_64+0xc6/0x1e0 [ 5967.776131][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.776131][ T1167] [ 5967.778362][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5967.778362][ T1167] netdev_get_by_index+0x5e/0x80 [ 5967.778362][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5967.778362][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5967.778362][ T1167] ip6_route_add+0x1c/0x140 [ 5967.778362][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5967.778362][ T1167] addrconf_add_dev+0xe2/0x170 [ 5967.778362][ T1167] inet6_addr_add+0x12f/0xa40 [ 5967.778362][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5967.778362][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.778362][ T1167] netlink_rcv_skb+0x130/0x360 [ 5967.778362][ T1167] netlink_unicast+0x449/0x710 [ 5967.778362][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5967.778362][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5967.778362][ T1167] ___sys_sendmsg+0xee/0x170 [ 5967.778362][ T1167] __sys_sendmsg+0xcd/0x170 [ 5967.778362][ T1167] do_syscall_64+0xc6/0x1e0 [ 5967.778362][ T1167] [ 5967.780582][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5967.780582][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5967.780582][ T1167] ipv6_find_idev+0x102/0x170 [ 5967.780582][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5967.780582][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.780582][ T1167] netlink_rcv_skb+0x130/0x360 [ 5967.780582][ T1167] netlink_unicast+0x449/0x710 [ 5967.780582][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5967.780582][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5967.780582][ T1167] ___sys_sendmsg+0xee/0x170 [ 5967.780582][ T1167] __sys_sendmsg+0xcd/0x170 [ 5967.780582][ T1167] do_syscall_64+0xc6/0x1e0 [ 5967.780582][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.780582][ T1167] [ 5967.782307][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5967.782307][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5967.782307][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5967.782307][ T1167] ipv6_find_idev+0x102/0x170 [ 5967.782307][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5967.782307][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.782307][ T1167] netlink_rcv_skb+0x130/0x360 [ 5967.782307][ T1167] netlink_unicast+0x449/0x710 [ 5967.782307][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5967.782307][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5967.782307][ T1167] ___sys_sendmsg+0xee/0x170 [ 5967.782307][ T1167] __sys_sendmsg+0xcd/0x170 [ 5967.782307][ T1167] do_syscall_64+0xc6/0x1e0 [ 5967.782307][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.782307][ T1167] [ 5977.849224][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5977.849757][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5977.849757][ T1167] dst_init+0x84/0x4a0 [ 5977.849757][ T1167] dst_alloc+0x97/0x150 [ 5977.849757][ T1167] ip6_dst_alloc+0x23/0x90 [ 5977.849757][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5977.849757][ T1167] ip6_pol_route+0x56f/0x840 [ 5977.849757][ T1167] fib6_rule_lookup+0x334/0x630 [ 5977.849757][ T1167] ip6_route_output_flags+0x259/0x480 [ 5977.849757][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5977.849757][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5977.849757][ T1167] netlink_rcv_skb+0x130/0x360 [ 5977.849757][ T1167] netlink_unicast+0x449/0x710 [ 5977.849757][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5977.849757][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5977.849757][ T1167] ___sys_sendmsg+0xee/0x170 [ 5977.849757][ T1167] __sys_sendmsg+0xcd/0x170 [ 5977.849757][ T1167] do_syscall_64+0xc6/0x1e0 [ 5977.849757][ T1167] [ 5977.850070][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5977.852241][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5977.852241][ T1167] netdev_get_by_index+0x5e/0x80 [ 5977.852241][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5977.852241][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5977.852241][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5977.852241][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5977.852241][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5977.852241][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5977.852241][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5977.852241][ T1167] addrconf_dad_begin+0x310/0x670 [ 5977.852241][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5977.852241][ T1167] process_one_work+0x84d/0x18a0 [ 5977.852241][ T1167] worker_thread+0x587/0xd30 [ 5977.852241][ T1167] kthread+0x28a/0x350 [ 5977.852241][ T1167] ret_from_fork+0x31/0x70 [ 5977.852241][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5977.852241][ T1167] [ 5977.852555][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5977.852555][ T10] netdev_get_by_index+0x5e/0x80 [ 5977.852555][ T10] fib6_nh_init+0x3d8/0x1580 [ 5977.852555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5977.852555][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5977.852555][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5977.852555][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5977.852555][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5977.852555][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5977.852555][ T10] addrconf_dad_begin+0x310/0x670 [ 5977.852555][ T10] addrconf_dad_work+0x10b/0xab0 [ 5977.852555][ T10] process_one_work+0x84d/0x18a0 [ 5977.852555][ T10] worker_thread+0x587/0xd30 [ 5977.852555][ T10] kthread+0x28a/0x350 [ 5977.852555][ T10] ret_from_fork+0x31/0x70 [ 5977.852555][ T10] ret_from_fork_asm+0x1a/0x30 [ 5977.852555][ T10] [ 5977.855402][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5977.855402][ T1167] netdev_get_by_index+0x5e/0x80 [ 5977.855402][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5977.855402][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5977.855402][ T1167] ip6_route_add+0x1c/0x140 [ 5977.855402][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5977.855402][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5977.855402][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5977.855402][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.855402][ T1167] netlink_rcv_skb+0x130/0x360 [ 5977.855402][ T1167] netlink_unicast+0x449/0x710 [ 5977.855402][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5977.855402][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5977.855402][ T1167] ___sys_sendmsg+0xee/0x170 [ 5977.855402][ T1167] __sys_sendmsg+0xcd/0x170 [ 5977.855402][ T1167] do_syscall_64+0xc6/0x1e0 [ 5977.855402][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.855402][ T1167] [ 5977.857333][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5977.857333][ T10] netdev_get_by_index+0x5e/0x80 [ 5977.857333][ T10] fib6_nh_init+0x3d8/0x1580 [ 5977.857333][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5977.857333][ T10] ip6_route_add+0x1c/0x140 [ 5977.857333][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5977.857333][ T10] inet6_addr_add+0x4f8/0xa40 [ 5977.857333][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5977.857333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.857333][ T10] netlink_rcv_skb+0x130/0x360 [ 5977.857333][ T10] netlink_unicast+0x449/0x710 [ 5977.857333][ T10] netlink_sendmsg+0x723/0xbe0 [ 5977.857333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5977.857333][ T10] ___sys_sendmsg+0xee/0x170 [ 5977.857333][ T10] __sys_sendmsg+0xcd/0x170 [ 5977.857333][ T10] do_syscall_64+0xc6/0x1e0 [ 5977.857333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.857333][ T10] [ 5977.859790][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5977.859790][ T1167] netdev_get_by_index+0x5e/0x80 [ 5977.859790][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5977.859790][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5977.859790][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5977.859790][ T1167] ipv6_add_addr+0x411/0x2000 [ 5977.859790][ T1167] inet6_addr_add+0x30e/0xa40 [ 5977.859790][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5977.859790][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.859790][ T1167] netlink_rcv_skb+0x130/0x360 [ 5977.859790][ T1167] netlink_unicast+0x449/0x710 [ 5977.859790][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5977.859790][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5977.859790][ T1167] ___sys_sendmsg+0xee/0x170 [ 5977.859790][ T1167] __sys_sendmsg+0xcd/0x170 [ 5977.859790][ T1167] do_syscall_64+0xc6/0x1e0 [ 5977.859790][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.859790][ T1167] [ 5977.861792][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5977.861792][ T10] netdev_get_by_index+0x5e/0x80 [ 5977.861792][ T10] fib6_nh_init+0x3d8/0x1580 [ 5977.861792][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5977.861792][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5977.861792][ T10] ipv6_add_addr+0x411/0x2000 [ 5977.861792][ T10] inet6_addr_add+0x30e/0xa40 [ 5977.861792][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5977.861792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.861792][ T10] netlink_rcv_skb+0x130/0x360 [ 5977.861792][ T10] netlink_unicast+0x449/0x710 [ 5977.861792][ T10] netlink_sendmsg+0x723/0xbe0 [ 5977.861792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5977.861792][ T10] ___sys_sendmsg+0xee/0x170 [ 5977.861792][ T10] __sys_sendmsg+0xcd/0x170 [ 5977.861792][ T10] do_syscall_64+0xc6/0x1e0 [ 5977.861792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.861792][ T10] [ 5977.866889][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5977.866889][ T1167] netdev_get_by_index+0x5e/0x80 [ 5977.866889][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5977.866889][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5977.866889][ T1167] ip6_route_add+0x1c/0x140 [ 5977.866889][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5977.866889][ T1167] addrconf_add_dev+0xe2/0x170 [ 5977.866889][ T1167] inet6_addr_add+0x12f/0xa40 [ 5977.866889][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5977.866889][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.866889][ T1167] netlink_rcv_skb+0x130/0x360 [ 5977.866889][ T1167] netlink_unicast+0x449/0x710 [ 5977.866889][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5977.866889][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5977.866889][ T1167] ___sys_sendmsg+0xee/0x170 [ 5977.866889][ T1167] __sys_sendmsg+0xcd/0x170 [ 5977.866889][ T1167] do_syscall_64+0xc6/0x1e0 [ 5977.866889][ T1167] [ 5977.868899][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5977.868899][ T10] netdev_get_by_index+0x5e/0x80 [ 5977.868899][ T10] fib6_nh_init+0x3d8/0x1580 [ 5977.868899][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5977.868899][ T10] ip6_route_add+0x1c/0x140 [ 5977.868899][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5977.868899][ T10] addrconf_add_dev+0xe2/0x170 [ 5977.868899][ T10] inet6_addr_add+0x12f/0xa40 [ 5977.868899][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5977.868899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.868899][ T10] netlink_rcv_skb+0x130/0x360 [ 5977.868899][ T10] netlink_unicast+0x449/0x710 [ 5977.868899][ T10] netlink_sendmsg+0x723/0xbe0 [ 5977.868899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5977.868899][ T10] ___sys_sendmsg+0xee/0x170 [ 5977.868899][ T10] __sys_sendmsg+0xcd/0x170 [ 5977.868899][ T10] do_syscall_64+0xc6/0x1e0 [ 5977.868899][ T10] [ 5977.871331][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5977.871331][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5977.871331][ T1167] ipv6_find_idev+0x102/0x170 [ 5977.871331][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5977.871331][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.871331][ T1167] netlink_rcv_skb+0x130/0x360 [ 5977.871331][ T1167] netlink_unicast+0x449/0x710 [ 5977.871331][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5977.871331][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5977.871331][ T1167] ___sys_sendmsg+0xee/0x170 [ 5977.871331][ T1167] __sys_sendmsg+0xcd/0x170 [ 5977.871331][ T1167] do_syscall_64+0xc6/0x1e0 [ 5977.871331][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.871331][ T1167] [ 5977.873304][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5977.873304][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5977.873304][ T10] ipv6_find_idev+0x102/0x170 [ 5977.873304][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5977.873304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.873304][ T10] netlink_rcv_skb+0x130/0x360 [ 5977.873304][ T10] netlink_unicast+0x449/0x710 [ 5977.873304][ T10] netlink_sendmsg+0x723/0xbe0 [ 5977.873304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5977.873304][ T10] ___sys_sendmsg+0xee/0x170 [ 5977.873304][ T10] __sys_sendmsg+0xcd/0x170 [ 5977.873304][ T10] do_syscall_64+0xc6/0x1e0 [ 5977.873304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.873304][ T10] [ 5977.875204][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5977.875204][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5977.875204][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5977.875204][ T1167] ipv6_find_idev+0x102/0x170 [ 5977.875204][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5977.875204][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.875204][ T1167] netlink_rcv_skb+0x130/0x360 [ 5977.875204][ T1167] netlink_unicast+0x449/0x710 [ 5977.875204][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5977.875204][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5977.875204][ T1167] ___sys_sendmsg+0xee/0x170 [ 5977.875204][ T1167] __sys_sendmsg+0xcd/0x170 [ 5977.875204][ T1167] do_syscall_64+0xc6/0x1e0 [ 5977.875204][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.875204][ T1167] [ 5977.876746][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5977.876746][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5977.876746][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5977.876746][ T10] ipv6_find_idev+0x102/0x170 [ 5977.876746][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5977.876746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.876746][ T10] netlink_rcv_skb+0x130/0x360 [ 5977.876746][ T10] netlink_unicast+0x449/0x710 [ 5977.876746][ T10] netlink_sendmsg+0x723/0xbe0 [ 5977.876746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5977.876746][ T10] ___sys_sendmsg+0xee/0x170 [ 5977.876746][ T10] __sys_sendmsg+0xcd/0x170 [ 5977.876746][ T10] do_syscall_64+0xc6/0x1e0 [ 5977.876746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.876746][ T10] [ 5977.880539][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5977.880777][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5977.880777][ T10] netdev_get_by_index+0x5e/0x80 [ 5977.880777][ T10] fib6_nh_init+0x3d8/0x1580 [ 5977.880777][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5977.880777][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5977.880777][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5977.880777][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5977.880777][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5977.880777][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5977.880777][ T10] addrconf_dad_begin+0x310/0x670 [ 5977.880777][ T10] addrconf_dad_work+0x10b/0xab0 [ 5977.880777][ T10] process_one_work+0x84d/0x18a0 [ 5977.880777][ T10] worker_thread+0x587/0xd30 [ 5977.880777][ T10] kthread+0x28a/0x350 [ 5977.880777][ T10] ret_from_fork+0x31/0x70 [ 5977.880777][ T10] ret_from_fork_asm+0x1a/0x30 [ 5977.880777][ T10] [ 5977.882704][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5977.882704][ T10] netdev_get_by_index+0x5e/0x80 [ 5977.882704][ T10] fib6_nh_init+0x3d8/0x1580 [ 5977.882704][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5977.882704][ T10] ip6_route_add+0x1c/0x140 [ 5977.882704][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5977.882704][ T10] inet6_addr_add+0x4f8/0xa40 [ 5977.882704][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5977.882704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.882704][ T10] netlink_rcv_skb+0x130/0x360 [ 5977.882704][ T10] netlink_unicast+0x449/0x710 [ 5977.882704][ T10] netlink_sendmsg+0x723/0xbe0 [ 5977.882704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5977.882704][ T10] ___sys_sendmsg+0xee/0x170 [ 5977.882704][ T10] __sys_sendmsg+0xcd/0x170 [ 5977.882704][ T10] do_syscall_64+0xc6/0x1e0 [ 5977.882704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.882704][ T10] [ 5977.884920][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5977.884920][ T10] netdev_get_by_index+0x5e/0x80 [ 5977.884920][ T10] fib6_nh_init+0x3d8/0x1580 [ 5977.884920][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5977.884920][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5977.884920][ T10] ipv6_add_addr+0x411/0x2000 [ 5977.884920][ T10] inet6_addr_add+0x30e/0xa40 [ 5977.884920][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5977.884920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.884920][ T10] netlink_rcv_skb+0x130/0x360 [ 5977.884920][ T10] netlink_unicast+0x449/0x710 [ 5977.884920][ T10] netlink_sendmsg+0x723/0xbe0 [ 5977.884920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5977.884920][ T10] ___sys_sendmsg+0xee/0x170 [ 5977.884920][ T10] __sys_sendmsg+0xcd/0x170 [ 5977.884920][ T10] do_syscall_64+0xc6/0x1e0 [ 5977.884920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.884920][ T10] [ 5977.887137][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5977.887137][ T10] netdev_get_by_index+0x5e/0x80 [ 5977.887137][ T10] fib6_nh_init+0x3d8/0x1580 [ 5977.887137][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5977.887137][ T10] ip6_route_add+0x1c/0x140 [ 5977.887137][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5977.887137][ T10] addrconf_add_dev+0xe2/0x170 [ 5977.887137][ T10] inet6_addr_add+0x12f/0xa40 [ 5977.887137][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5977.887137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.887137][ T10] netlink_rcv_skb+0x130/0x360 [ 5977.887137][ T10] netlink_unicast+0x449/0x710 [ 5977.887137][ T10] netlink_sendmsg+0x723/0xbe0 [ 5977.887137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5977.887137][ T10] ___sys_sendmsg+0xee/0x170 [ 5977.887137][ T10] __sys_sendmsg+0xcd/0x170 [ 5977.887137][ T10] do_syscall_64+0xc6/0x1e0 [ 5977.887137][ T10] [ 5977.889416][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5977.889416][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5977.889416][ T10] ipv6_find_idev+0x102/0x170 [ 5977.889416][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5977.889416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.889416][ T10] netlink_rcv_skb+0x130/0x360 [ 5977.889416][ T10] netlink_unicast+0x449/0x710 [ 5977.889416][ T10] netlink_sendmsg+0x723/0xbe0 [ 5977.889416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5977.889416][ T10] ___sys_sendmsg+0xee/0x170 [ 5977.889416][ T10] __sys_sendmsg+0xcd/0x170 [ 5977.889416][ T10] do_syscall_64+0xc6/0x1e0 [ 5977.889416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.889416][ T10] [ 5977.891153][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5977.891153][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5977.891153][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5977.891153][ T10] ipv6_find_idev+0x102/0x170 [ 5977.891153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5977.891153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.891153][ T10] netlink_rcv_skb+0x130/0x360 [ 5977.891153][ T10] netlink_unicast+0x449/0x710 [ 5977.891153][ T10] netlink_sendmsg+0x723/0xbe0 [ 5977.891153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5977.891153][ T10] ___sys_sendmsg+0xee/0x170 [ 5977.891153][ T10] __sys_sendmsg+0xcd/0x170 [ 5977.891153][ T10] do_syscall_64+0xc6/0x1e0 [ 5977.891153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.891153][ T10] [ 5977.893044][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5977.893340][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5977.893340][ T10] netdev_get_by_index+0x5e/0x80 [ 5977.893340][ T10] fib6_nh_init+0x3d8/0x1580 [ 5977.893340][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5977.893340][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5977.893340][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5977.893340][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5977.893340][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5977.893340][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5977.893340][ T10] addrconf_dad_begin+0x310/0x670 [ 5977.893340][ T10] addrconf_dad_work+0x10b/0xab0 [ 5977.893340][ T10] process_one_work+0x84d/0x18a0 [ 5977.893340][ T10] worker_thread+0x587/0xd30 [ 5977.893340][ T10] kthread+0x28a/0x350 [ 5977.893340][ T10] ret_from_fork+0x31/0x70 [ 5977.893340][ T10] ret_from_fork_asm+0x1a/0x30 [ 5977.893340][ T10] [ 5977.895330][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5977.895330][ T10] netdev_get_by_index+0x5e/0x80 [ 5977.895330][ T10] fib6_nh_init+0x3d8/0x1580 [ 5977.895330][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5977.895330][ T10] ip6_route_add+0x1c/0x140 [ 5977.895330][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5977.895330][ T10] inet6_addr_add+0x4f8/0xa40 [ 5977.895330][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5977.895330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.895330][ T10] netlink_rcv_skb+0x130/0x360 [ 5977.895330][ T10] netlink_unicast+0x449/0x710 [ 5977.895330][ T10] netlink_sendmsg+0x723/0xbe0 [ 5977.895330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5977.895330][ T10] ___sys_sendmsg+0xee/0x170 [ 5977.895330][ T10] __sys_sendmsg+0xcd/0x170 [ 5977.895330][ T10] do_syscall_64+0xc6/0x1e0 [ 5977.895330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.895330][ T10] [ 5977.897359][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5977.897359][ T10] netdev_get_by_index+0x5e/0x80 [ 5977.897359][ T10] fib6_nh_init+0x3d8/0x1580 [ 5977.897359][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5977.897359][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5977.897359][ T10] ipv6_add_addr+0x411/0x2000 [ 5977.897359][ T10] inet6_addr_add+0x30e/0xa40 [ 5977.897359][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5977.897359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.897359][ T10] netlink_rcv_skb+0x130/0x360 [ 5977.897359][ T10] netlink_unicast+0x449/0x710 [ 5977.897359][ T10] netlink_sendmsg+0x723/0xbe0 [ 5977.897359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5977.897359][ T10] ___sys_sendmsg+0xee/0x170 [ 5977.897359][ T10] __sys_sendmsg+0xcd/0x170 [ 5977.897359][ T10] do_syscall_64+0xc6/0x1e0 [ 5977.897359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.897359][ T10] [ 5977.899383][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5977.899383][ T10] netdev_get_by_index+0x5e/0x80 [ 5977.899383][ T10] fib6_nh_init+0x3d8/0x1580 [ 5977.899383][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5977.899383][ T10] ip6_route_add+0x1c/0x140 [ 5977.899383][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5977.899383][ T10] addrconf_add_dev+0xe2/0x170 [ 5977.899383][ T10] inet6_addr_add+0x12f/0xa40 [ 5977.899383][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5977.899383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.899383][ T10] netlink_rcv_skb+0x130/0x360 [ 5977.899383][ T10] netlink_unicast+0x449/0x710 [ 5977.899383][ T10] netlink_sendmsg+0x723/0xbe0 [ 5977.899383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5977.899383][ T10] ___sys_sendmsg+0xee/0x170 [ 5977.899383][ T10] __sys_sendmsg+0xcd/0x170 [ 5977.899383][ T10] do_syscall_64+0xc6/0x1e0 [ 5977.899383][ T10] [ 5977.901367][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5977.901367][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5977.901367][ T10] ipv6_find_idev+0x102/0x170 [ 5977.901367][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5977.901367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.901367][ T10] netlink_rcv_skb+0x130/0x360 [ 5977.901367][ T10] netlink_unicast+0x449/0x710 [ 5977.901367][ T10] netlink_sendmsg+0x723/0xbe0 [ 5977.901367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5977.901367][ T10] ___sys_sendmsg+0xee/0x170 [ 5977.901367][ T10] __sys_sendmsg+0xcd/0x170 [ 5977.901367][ T10] do_syscall_64+0xc6/0x1e0 [ 5977.901367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.901367][ T10] [ 5977.902930][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5977.902930][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5977.902930][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5977.902930][ T10] ipv6_find_idev+0x102/0x170 [ 5977.902930][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5977.902930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.902930][ T10] netlink_rcv_skb+0x130/0x360 [ 5977.902930][ T10] netlink_unicast+0x449/0x710 [ 5977.902930][ T10] netlink_sendmsg+0x723/0xbe0 [ 5977.902930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5977.902930][ T10] ___sys_sendmsg+0xee/0x170 [ 5977.902930][ T10] __sys_sendmsg+0xcd/0x170 [ 5977.902930][ T10] do_syscall_64+0xc6/0x1e0 [ 5977.902930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.902930][ T10] [ 5977.904655][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5977.904903][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5977.904903][ T10] netdev_get_by_index+0x5e/0x80 [ 5977.904903][ T10] fib6_nh_init+0x3d8/0x1580 [ 5977.904903][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5977.904903][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5977.904903][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5977.904903][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5977.904903][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5977.904903][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5977.904903][ T10] addrconf_dad_begin+0x310/0x670 [ 5977.904903][ T10] addrconf_dad_work+0x10b/0xab0 [ 5977.904903][ T10] process_one_work+0x84d/0x18a0 [ 5977.904903][ T10] worker_thread+0x587/0xd30 [ 5977.904903][ T10] kthread+0x28a/0x350 [ 5977.904903][ T10] ret_from_fork+0x31/0x70 [ 5977.904903][ T10] ret_from_fork_asm+0x1a/0x30 [ 5977.904903][ T10] [ 5977.906951][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5977.906951][ T10] netdev_get_by_index+0x5e/0x80 [ 5977.906951][ T10] fib6_nh_init+0x3d8/0x1580 [ 5977.906951][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5977.906951][ T10] ip6_route_add+0x1c/0x140 [ 5977.906951][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5977.906951][ T10] inet6_addr_add+0x4f8/0xa40 [ 5977.906951][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5977.906951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.906951][ T10] netlink_rcv_skb+0x130/0x360 [ 5977.906951][ T10] netlink_unicast+0x449/0x710 [ 5977.906951][ T10] netlink_sendmsg+0x723/0xbe0 [ 5977.906951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5977.906951][ T10] ___sys_sendmsg+0xee/0x170 [ 5977.906951][ T10] __sys_sendmsg+0xcd/0x170 [ 5977.906951][ T10] do_syscall_64+0xc6/0x1e0 [ 5977.906951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.906951][ T10] [ 5977.909276][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5977.909276][ T10] netdev_get_by_index+0x5e/0x80 [ 5977.909276][ T10] fib6_nh_init+0x3d8/0x1580 [ 5977.909276][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5977.909276][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5977.909276][ T10] ipv6_add_addr+0x411/0x2000 [ 5977.909276][ T10] inet6_addr_add+0x30e/0xa40 [ 5977.909276][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5977.909276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.909276][ T10] netlink_rcv_skb+0x130/0x360 [ 5977.909276][ T10] netlink_unicast+0x449/0x710 [ 5977.909276][ T10] netlink_sendmsg+0x723/0xbe0 [ 5977.909276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5977.909276][ T10] ___sys_sendmsg+0xee/0x170 [ 5977.909276][ T10] __sys_sendmsg+0xcd/0x170 [ 5977.909276][ T10] do_syscall_64+0xc6/0x1e0 [ 5977.909276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.909276][ T10] [ 5977.911564][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5977.911564][ T10] netdev_get_by_index+0x5e/0x80 [ 5977.911564][ T10] fib6_nh_init+0x3d8/0x1580 [ 5977.911564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5977.911564][ T10] ip6_route_add+0x1c/0x140 [ 5977.911564][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5977.911564][ T10] addrconf_add_dev+0xe2/0x170 [ 5977.911564][ T10] inet6_addr_add+0x12f/0xa40 [ 5977.911564][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5977.911564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.911564][ T10] netlink_rcv_skb+0x130/0x360 [ 5977.911564][ T10] netlink_unicast+0x449/0x710 [ 5977.911564][ T10] netlink_sendmsg+0x723/0xbe0 [ 5977.911564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5977.911564][ T10] ___sys_sendmsg+0xee/0x170 [ 5977.911564][ T10] __sys_sendmsg+0xcd/0x170 [ 5977.911564][ T10] do_syscall_64+0xc6/0x1e0 [ 5977.911564][ T10] [ 5977.913734][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5977.913734][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5977.913734][ T10] ipv6_find_idev+0x102/0x170 [ 5977.913734][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5977.913734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.913734][ T10] netlink_rcv_skb+0x130/0x360 [ 5977.913734][ T10] netlink_unicast+0x449/0x710 [ 5977.913734][ T10] netlink_sendmsg+0x723/0xbe0 [ 5977.913734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5977.913734][ T10] ___sys_sendmsg+0xee/0x170 [ 5977.913734][ T10] __sys_sendmsg+0xcd/0x170 [ 5977.913734][ T10] do_syscall_64+0xc6/0x1e0 [ 5977.913734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.913734][ T10] [ 5977.915477][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5977.915477][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5977.915477][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5977.915477][ T10] ipv6_find_idev+0x102/0x170 [ 5977.915477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5977.915477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.915477][ T10] netlink_rcv_skb+0x130/0x360 [ 5977.915477][ T10] netlink_unicast+0x449/0x710 [ 5977.915477][ T10] netlink_sendmsg+0x723/0xbe0 [ 5977.915477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5977.915477][ T10] ___sys_sendmsg+0xee/0x170 [ 5977.915477][ T10] __sys_sendmsg+0xcd/0x170 [ 5977.915477][ T10] do_syscall_64+0xc6/0x1e0 [ 5977.915477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.915477][ T10] [ 5988.089123][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5988.089645][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5988.089645][ T1167] dst_init+0x84/0x4a0 [ 5988.089645][ T1167] dst_alloc+0x97/0x150 [ 5988.089645][ T1167] ip6_dst_alloc+0x23/0x90 [ 5988.089645][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5988.089645][ T1167] ip6_pol_route+0x56f/0x840 [ 5988.089645][ T1167] fib6_rule_lookup+0x334/0x630 [ 5988.089645][ T1167] ip6_route_output_flags+0x259/0x480 [ 5988.089645][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5988.089645][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5988.089645][ T1167] netlink_rcv_skb+0x130/0x360 [ 5988.089645][ T1167] netlink_unicast+0x449/0x710 [ 5988.089645][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5988.089645][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5988.089645][ T1167] ___sys_sendmsg+0xee/0x170 [ 5988.089645][ T1167] __sys_sendmsg+0xcd/0x170 [ 5988.089645][ T1167] do_syscall_64+0xc6/0x1e0 [ 5988.089645][ T1167] [ 5988.092101][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5988.092101][ T1167] netdev_get_by_index+0x5e/0x80 [ 5988.092101][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5988.092101][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5988.092101][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5988.092101][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5988.092101][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5988.092101][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5988.092101][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5988.092101][ T1167] addrconf_dad_begin+0x310/0x670 [ 5988.092101][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5988.092101][ T1167] process_one_work+0x84d/0x18a0 [ 5988.092101][ T1167] worker_thread+0x587/0xd30 [ 5988.092101][ T1167] kthread+0x28a/0x350 [ 5988.092101][ T1167] ret_from_fork+0x31/0x70 [ 5988.092101][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5988.092101][ T1167] [ 5988.094442][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5988.094442][ T1167] netdev_get_by_index+0x5e/0x80 [ 5988.094442][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5988.094442][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5988.094442][ T1167] ip6_route_add+0x1c/0x140 [ 5988.094442][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5988.094442][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5988.094442][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5988.094442][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5988.094442][ T1167] netlink_rcv_skb+0x130/0x360 [ 5988.094442][ T1167] netlink_unicast+0x449/0x710 [ 5988.094442][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5988.094442][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5988.094442][ T1167] ___sys_sendmsg+0xee/0x170 [ 5988.094442][ T1167] __sys_sendmsg+0xcd/0x170 [ 5988.094442][ T1167] do_syscall_64+0xc6/0x1e0 [ 5988.094442][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5988.094442][ T1167] [ 5988.096916][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5988.096916][ T1167] netdev_get_by_index+0x5e/0x80 [ 5988.096916][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5988.096916][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5988.096916][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5988.096916][ T1167] ipv6_add_addr+0x411/0x2000 [ 5988.096916][ T1167] inet6_addr_add+0x30e/0xa40 [ 5988.096916][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5988.096916][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5988.096916][ T1167] netlink_rcv_skb+0x130/0x360 [ 5988.096916][ T1167] netlink_unicast+0x449/0x710 [ 5988.096916][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5988.096916][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5988.096916][ T1167] ___sys_sendmsg+0xee/0x170 [ 5988.096916][ T1167] __sys_sendmsg+0xcd/0x170 [ 5988.096916][ T1167] do_syscall_64+0xc6/0x1e0 [ 5988.096916][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5988.096916][ T1167] [ 5988.099360][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5988.099360][ T1167] netdev_get_by_index+0x5e/0x80 [ 5988.099360][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5988.099360][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5988.099360][ T1167] ip6_route_add+0x1c/0x140 [ 5988.099360][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5988.099360][ T1167] addrconf_add_dev+0xe2/0x170 [ 5988.099360][ T1167] inet6_addr_add+0x12f/0xa40 [ 5988.099360][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5988.099360][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5988.099360][ T1167] netlink_rcv_skb+0x130/0x360 [ 5988.099360][ T1167] netlink_unicast+0x449/0x710 [ 5988.099360][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5988.099360][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5988.099360][ T1167] ___sys_sendmsg+0xee/0x170 [ 5988.099360][ T1167] __sys_sendmsg+0xcd/0x170 [ 5988.099360][ T1167] do_syscall_64+0xc6/0x1e0 [ 5988.099360][ T1167] [ 5988.101824][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5988.101824][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5988.101824][ T1167] ipv6_find_idev+0x102/0x170 [ 5988.101824][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5988.101824][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5988.101824][ T1167] netlink_rcv_skb+0x130/0x360 [ 5988.101824][ T1167] netlink_unicast+0x449/0x710 [ 5988.101824][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5988.101824][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5988.101824][ T1167] ___sys_sendmsg+0xee/0x170 [ 5988.101824][ T1167] __sys_sendmsg+0xcd/0x170 [ 5988.101824][ T1167] do_syscall_64+0xc6/0x1e0 [ 5988.101824][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5988.101824][ T1167] [ 5988.103727][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5988.103727][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5988.103727][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5988.103727][ T1167] ipv6_find_idev+0x102/0x170 [ 5988.103727][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5988.103727][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5988.103727][ T1167] netlink_rcv_skb+0x130/0x360 [ 5988.103727][ T1167] netlink_unicast+0x449/0x710 [ 5988.103727][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5988.103727][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5988.103727][ T1167] ___sys_sendmsg+0xee/0x170 [ 5988.103727][ T1167] __sys_sendmsg+0xcd/0x170 [ 5988.103727][ T1167] do_syscall_64+0xc6/0x1e0 [ 5988.103727][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5988.103727][ T1167] [ 5988.169140][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5988.169507][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5988.169507][ T10] netdev_get_by_index+0x5e/0x80 [ 5988.169507][ T10] fib6_nh_init+0x3d8/0x1580 [ 5988.169507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5988.169507][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5988.169507][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5988.169507][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5988.169507][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5988.169507][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5988.169507][ T10] addrconf_dad_begin+0x310/0x670 [ 5988.169507][ T10] addrconf_dad_work+0x10b/0xab0 [ 5988.169507][ T10] process_one_work+0x84d/0x18a0 [ 5988.169507][ T10] worker_thread+0x587/0xd30 [ 5988.169507][ T10] kthread+0x28a/0x350 [ 5988.169507][ T10] ret_from_fork+0x31/0x70 [ 5988.169507][ T10] ret_from_fork_asm+0x1a/0x30 [ 5988.169507][ T10] [ 5988.171468][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5988.171468][ T10] netdev_get_by_index+0x5e/0x80 [ 5988.171468][ T10] fib6_nh_init+0x3d8/0x1580 [ 5988.171468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5988.171468][ T10] ip6_route_add+0x1c/0x140 [ 5988.171468][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5988.171468][ T10] inet6_addr_add+0x4f8/0xa40 [ 5988.171468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5988.171468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5988.171468][ T10] netlink_rcv_skb+0x130/0x360 [ 5988.171468][ T10] netlink_unicast+0x449/0x710 [ 5988.171468][ T10] netlink_sendmsg+0x723/0xbe0 [ 5988.171468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5988.171468][ T10] ___sys_sendmsg+0xee/0x170 [ 5988.171468][ T10] __sys_sendmsg+0xcd/0x170 [ 5988.171468][ T10] do_syscall_64+0xc6/0x1e0 [ 5988.171468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5988.171468][ T10] [ 5988.173494][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5988.173494][ T10] netdev_get_by_index+0x5e/0x80 [ 5988.173494][ T10] fib6_nh_init+0x3d8/0x1580 [ 5988.173494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5988.173494][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5988.173494][ T10] ipv6_add_addr+0x411/0x2000 [ 5988.173494][ T10] inet6_addr_add+0x30e/0xa40 [ 5988.173494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5988.173494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5988.173494][ T10] netlink_rcv_skb+0x130/0x360 [ 5988.173494][ T10] netlink_unicast+0x449/0x710 [ 5988.173494][ T10] netlink_sendmsg+0x723/0xbe0 [ 5988.173494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5988.173494][ T10] ___sys_sendmsg+0xee/0x170 [ 5988.173494][ T10] __sys_sendmsg+0xcd/0x170 [ 5988.173494][ T10] do_syscall_64+0xc6/0x1e0 [ 5988.173494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5988.173494][ T10] [ 5988.175511][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5988.175511][ T10] netdev_get_by_index+0x5e/0x80 [ 5988.175511][ T10] fib6_nh_init+0x3d8/0x1580 [ 5988.175511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5988.175511][ T10] ip6_route_add+0x1c/0x140 [ 5988.175511][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5988.175511][ T10] addrconf_add_dev+0xe2/0x170 [ 5988.175511][ T10] inet6_addr_add+0x12f/0xa40 [ 5988.175511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5988.175511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5988.175511][ T10] netlink_rcv_skb+0x130/0x360 [ 5988.175511][ T10] netlink_unicast+0x449/0x710 [ 5988.175511][ T10] netlink_sendmsg+0x723/0xbe0 [ 5988.175511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5988.175511][ T10] ___sys_sendmsg+0xee/0x170 [ 5988.175511][ T10] __sys_sendmsg+0xcd/0x170 [ 5988.175511][ T10] do_syscall_64+0xc6/0x1e0 [ 5988.175511][ T10] [ 5988.177500][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5988.177500][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5988.177500][ T10] ipv6_find_idev+0x102/0x170 [ 5988.177500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5988.177500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5988.177500][ T10] netlink_rcv_skb+0x130/0x360 [ 5988.177500][ T10] netlink_unicast+0x449/0x710 [ 5988.177500][ T10] netlink_sendmsg+0x723/0xbe0 [ 5988.177500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5988.177500][ T10] ___sys_sendmsg+0xee/0x170 [ 5988.177500][ T10] __sys_sendmsg+0xcd/0x170 [ 5988.177500][ T10] do_syscall_64+0xc6/0x1e0 [ 5988.177500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5988.177500][ T10] [ 5988.179093][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5988.179093][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5988.179093][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5988.179093][ T10] ipv6_find_idev+0x102/0x170 [ 5988.179093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5988.179093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5988.179093][ T10] netlink_rcv_skb+0x130/0x360 [ 5988.179093][ T10] netlink_unicast+0x449/0x710 [ 5988.179093][ T10] netlink_sendmsg+0x723/0xbe0 [ 5988.179093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5988.179093][ T10] ___sys_sendmsg+0xee/0x170 [ 5988.179093][ T10] __sys_sendmsg+0xcd/0x170 [ 5988.179093][ T10] do_syscall_64+0xc6/0x1e0 [ 5988.179093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5988.179093][ T10] [ 5988.180812][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5988.181073][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5988.181073][ T10] netdev_get_by_index+0x5e/0x80 [ 5988.181073][ T10] fib6_nh_init+0x3d8/0x1580 [ 5988.181073][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5988.181073][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5988.181073][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5988.181073][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5988.181073][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5988.181073][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5988.181073][ T10] addrconf_dad_begin+0x310/0x670 [ 5988.181073][ T10] addrconf_dad_work+0x10b/0xab0 [ 5988.181073][ T10] process_one_work+0x84d/0x18a0 [ 5988.181073][ T10] worker_thread+0x587/0xd30 [ 5988.181073][ T10] kthread+0x28a/0x350 [ 5988.181073][ T10] ret_from_fork+0x31/0x70 [ 5988.181073][ T10] ret_from_fork_asm+0x1a/0x30 [ 5988.181073][ T10] [ 5988.183025][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5988.183025][ T10] netdev_get_by_index+0x5e/0x80 [ 5988.183025][ T10] fib6_nh_init+0x3d8/0x1580 [ 5988.183025][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5988.183025][ T10] ip6_route_add+0x1c/0x140 [ 5988.183025][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5988.183025][ T10] inet6_addr_add+0x4f8/0xa40 [ 5988.183025][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5988.183025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5988.183025][ T10] netlink_rcv_skb+0x130/0x360 [ 5988.183025][ T10] netlink_unicast+0x449/0x710 [ 5988.183025][ T10] netlink_sendmsg+0x723/0xbe0 [ 5988.183025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5988.183025][ T10] ___sys_sendmsg+0xee/0x170 [ 5988.183025][ T10] __sys_sendmsg+0xcd/0x170 [ 5988.183025][ T10] do_syscall_64+0xc6/0x1e0 [ 5988.183025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5988.183025][ T10] [ 5988.185049][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5988.185049][ T10] netdev_get_by_index+0x5e/0x80 [ 5988.185049][ T10] fib6_nh_init+0x3d8/0x1580 [ 5988.185049][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5988.185049][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5988.185049][ T10] ipv6_add_addr+0x411/0x2000 [ 5988.185049][ T10] inet6_addr_add+0x30e/0xa40 [ 5988.185049][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5988.185049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5988.185049][ T10] netlink_rcv_skb+0x130/0x360 [ 5988.185049][ T10] netlink_unicast+0x449/0x710 [ 5988.185049][ T10] netlink_sendmsg+0x723/0xbe0 [ 5988.185049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5988.185049][ T10] ___sys_sendmsg+0xee/0x170 [ 5988.185049][ T10] __sys_sendmsg+0xcd/0x170 [ 5988.185049][ T10] do_syscall_64+0xc6/0x1e0 [ 5988.185049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5988.185049][ T10] [ 5988.187099][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5988.187099][ T10] netdev_get_by_index+0x5e/0x80 [ 5988.187099][ T10] fib6_nh_init+0x3d8/0x1580 [ 5988.187099][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5988.187099][ T10] ip6_route_add+0x1c/0x140 [ 5988.187099][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5988.187099][ T10] addrconf_add_dev+0xe2/0x170 [ 5988.187099][ T10] inet6_addr_add+0x12f/0xa40 [ 5988.187099][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5988.187099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5988.187099][ T10] netlink_rcv_skb+0x130/0x360 [ 5988.187099][ T10] netlink_unicast+0x449/0x710 [ 5988.187099][ T10] netlink_sendmsg+0x723/0xbe0 [ 5988.187099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5988.187099][ T10] ___sys_sendmsg+0xee/0x170 [ 5988.187099][ T10] __sys_sendmsg+0xcd/0x170 [ 5988.187099][ T10] do_syscall_64+0xc6/0x1e0 [ 5988.187099][ T10] [ 5988.189085][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5988.189085][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5988.189085][ T10] ipv6_find_idev+0x102/0x170 [ 5988.189085][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5988.189085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5988.189085][ T10] netlink_rcv_skb+0x130/0x360 [ 5988.189085][ T10] netlink_unicast+0x449/0x710 [ 5988.189085][ T10] netlink_sendmsg+0x723/0xbe0 [ 5988.189085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5988.189085][ T10] ___sys_sendmsg+0xee/0x170 [ 5988.189085][ T10] __sys_sendmsg+0xcd/0x170 [ 5988.189085][ T10] do_syscall_64+0xc6/0x1e0 [ 5988.189085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5988.189085][ T10] [ 5988.190653][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5988.190653][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5988.190653][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5988.190653][ T10] ipv6_find_idev+0x102/0x170 [ 5988.190653][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5988.190653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5988.190653][ T10] netlink_rcv_skb+0x130/0x360 [ 5988.190653][ T10] netlink_unicast+0x449/0x710 [ 5988.190653][ T10] netlink_sendmsg+0x723/0xbe0 [ 5988.190653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5988.190653][ T10] ___sys_sendmsg+0xee/0x170 [ 5988.190653][ T10] __sys_sendmsg+0xcd/0x170 [ 5988.190653][ T10] do_syscall_64+0xc6/0x1e0 [ 5988.190653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5988.190653][ T10] [ 5988.192367][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5988.192608][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5988.192608][ T10] netdev_get_by_index+0x5e/0x80 [ 5988.192608][ T10] fib6_nh_init+0x3d8/0x1580 [ 5988.192608][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5988.192608][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5988.192608][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5988.192608][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5988.192608][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5988.192608][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5988.192608][ T10] addrconf_dad_begin+0x310/0x670 [ 5988.192608][ T10] addrconf_dad_work+0x10b/0xab0 [ 5988.192608][ T10] process_one_work+0x84d/0x18a0 [ 5988.192608][ T10] worker_thread+0x587/0xd30 [ 5988.192608][ T10] kthread+0x28a/0x350 [ 5988.192608][ T10] ret_from_fork+0x31/0x70 [ 5988.192608][ T10] ret_from_fork_asm+0x1a/0x30 [ 5988.192608][ T10] [ 5988.194556][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5988.194556][ T10] netdev_get_by_index+0x5e/0x80 [ 5988.194556][ T10] fib6_nh_init+0x3d8/0x1580 [ 5988.194556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5988.194556][ T10] ip6_route_add+0x1c/0x140 [ 5988.194556][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5988.194556][ T10] inet6_addr_add+0x4f8/0xa40 [ 5988.194556][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5988.194556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5988.194556][ T10] netlink_rcv_skb+0x130/0x360 [ 5988.194556][ T10] netlink_unicast+0x449/0x710 [ 5988.194556][ T10] netlink_sendmsg+0x723/0xbe0 [ 5988.194556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5988.194556][ T10] ___sys_sendmsg+0xee/0x170 [ 5988.194556][ T10] __sys_sendmsg+0xcd/0x170 [ 5988.194556][ T10] do_syscall_64+0xc6/0x1e0 [ 5988.194556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5988.194556][ T10] [ 5988.196883][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5988.196883][ T10] netdev_get_by_index+0x5e/0x80 [ 5988.196883][ T10] fib6_nh_init+0x3d8/0x1580 [ 5988.196883][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5988.196883][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5988.196883][ T10] ipv6_add_addr+0x411/0x2000 [ 5988.196883][ T10] inet6_addr_add+0x30e/0xa40 [ 5988.196883][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5988.196883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5988.196883][ T10] netlink_rcv_skb+0x130/0x360 [ 5988.196883][ T10] netlink_unicast+0x449/0x710 [ 5988.196883][ T10] netlink_sendmsg+0x723/0xbe0 [ 5988.196883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5988.196883][ T10] ___sys_sendmsg+0xee/0x170 [ 5988.196883][ T10] __sys_sendmsg+0xcd/0x170 [ 5988.196883][ T10] do_syscall_64+0xc6/0x1e0 [ 5988.196883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5988.196883][ T10] [ 5988.199173][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5988.199173][ T10] netdev_get_by_index+0x5e/0x80 [ 5988.199173][ T10] fib6_nh_init+0x3d8/0x1580 [ 5988.199173][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5988.199173][ T10] ip6_route_add+0x1c/0x140 [ 5988.199173][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5988.199173][ T10] addrconf_add_dev+0xe2/0x170 [ 5988.199173][ T10] inet6_addr_add+0x12f/0xa40 [ 5988.199173][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5988.199173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5988.199173][ T10] netlink_rcv_skb+0x130/0x360 [ 5988.199173][ T10] netlink_unicast+0x449/0x710 [ 5988.199173][ T10] netlink_sendmsg+0x723/0xbe0 [ 5988.199173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5988.199173][ T10] ___sys_sendmsg+0xee/0x170 [ 5988.199173][ T10] __sys_sendmsg+0xcd/0x170 [ 5988.199173][ T10] do_syscall_64+0xc6/0x1e0 [ 5988.199173][ T10] [ 5988.201386][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5988.201386][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5988.201386][ T10] ipv6_find_idev+0x102/0x170 [ 5988.201386][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5988.201386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5988.201386][ T10] netlink_rcv_skb+0x130/0x360 [ 5988.201386][ T10] netlink_unicast+0x449/0x710 [ 5988.201386][ T10] netlink_sendmsg+0x723/0xbe0 [ 5988.201386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5988.201386][ T10] ___sys_sendmsg+0xee/0x170 [ 5988.201386][ T10] __sys_sendmsg+0xcd/0x170 [ 5988.201386][ T10] do_syscall_64+0xc6/0x1e0 [ 5988.201386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5988.201386][ T10] [ 5988.203117][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5988.203117][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5988.203117][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5988.203117][ T10] ipv6_find_idev+0x102/0x170 [ 5988.203117][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5988.203117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5988.203117][ T10] netlink_rcv_skb+0x130/0x360 [ 5988.203117][ T10] netlink_unicast+0x449/0x710 [ 5988.203117][ T10] netlink_sendmsg+0x723/0xbe0 [ 5988.203117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5988.203117][ T10] ___sys_sendmsg+0xee/0x170 [ 5988.203117][ T10] __sys_sendmsg+0xcd/0x170 [ 5988.203117][ T10] do_syscall_64+0xc6/0x1e0 [ 5988.203117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5988.203117][ T10] [ 5988.205008][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5988.205255][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5988.205255][ T10] netdev_get_by_index+0x5e/0x80 [ 5988.205255][ T10] fib6_nh_init+0x3d8/0x1580 [ 5988.205255][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5988.205255][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5988.205255][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5988.205255][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5988.205255][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5988.205255][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5988.205255][ T10] addrconf_dad_begin+0x310/0x670 [ 5988.205255][ T10] addrconf_dad_work+0x10b/0xab0 [ 5988.205255][ T10] process_one_work+0x84d/0x18a0 [ 5988.205255][ T10] worker_thread+0x587/0xd30 [ 5988.205255][ T10] kthread+0x28a/0x350 [ 5988.205255][ T10] ret_from_fork+0x31/0x70 [ 5988.205255][ T10] ret_from_fork_asm+0x1a/0x30 [ 5988.205255][ T10] [ 5988.207484][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5988.207484][ T10] netdev_get_by_index+0x5e/0x80 [ 5988.207484][ T10] fib6_nh_init+0x3d8/0x1580 [ 5988.207484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5988.207484][ T10] ip6_route_add+0x1c/0x140 [ 5988.207484][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5988.207484][ T10] inet6_addr_add+0x4f8/0xa40 [ 5988.207484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5988.207484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5988.207484][ T10] netlink_rcv_skb+0x130/0x360 [ 5988.207484][ T10] netlink_unicast+0x449/0x710 [ 5988.207484][ T10] netlink_sendmsg+0x723/0xbe0 [ 5988.207484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5988.207484][ T10] ___sys_sendmsg+0xee/0x170 [ 5988.207484][ T10] __sys_sendmsg+0xcd/0x170 [ 5988.207484][ T10] do_syscall_64+0xc6/0x1e0 [ 5988.207484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5988.207484][ T10] [ 5988.209738][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5988.209738][ T10] netdev_get_by_index+0x5e/0x80 [ 5988.209738][ T10] fib6_nh_init+0x3d8/0x1580 [ 5988.209738][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5988.209738][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5988.209738][ T10] ipv6_add_addr+0x411/0x2000 [ 5988.209738][ T10] inet6_addr_add+0x30e/0xa40 [ 5988.209738][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5988.209738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5988.209738][ T10] netlink_rcv_skb+0x130/0x360 [ 5988.209738][ T10] netlink_unicast+0x449/0x710 [ 5988.209738][ T10] netlink_sendmsg+0x723/0xbe0 [ 5988.209738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5988.209738][ T10] ___sys_sendmsg+0xee/0x170 [ 5988.209738][ T10] __sys_sendmsg+0xcd/0x170 [ 5988.209738][ T10] do_syscall_64+0xc6/0x1e0 [ 5988.209738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5988.209738][ T10] [ 5988.211997][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5988.211997][ T10] netdev_get_by_index+0x5e/0x80 [ 5988.211997][ T10] fib6_nh_init+0x3d8/0x1580 [ 5988.211997][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5988.211997][ T10] ip6_route_add+0x1c/0x140 [ 5988.211997][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5988.211997][ T10] addrconf_add_dev+0xe2/0x170 [ 5988.211997][ T10] inet6_addr_add+0x12f/0xa40 [ 5988.211997][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5988.211997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5988.211997][ T10] netlink_rcv_skb+0x130/0x360 [ 5988.211997][ T10] netlink_unicast+0x449/0x710 [ 5988.211997][ T10] netlink_sendmsg+0x723/0xbe0 [ 5988.211997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5988.211997][ T10] ___sys_sendmsg+0xee/0x170 [ 5988.211997][ T10] __sys_sendmsg+0xcd/0x170 [ 5988.211997][ T10] do_syscall_64+0xc6/0x1e0 [ 5988.211997][ T10] [ 5988.214162][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5988.214162][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5988.214162][ T10] ipv6_find_idev+0x102/0x170 [ 5988.214162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5988.214162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5988.214162][ T10] netlink_rcv_skb+0x130/0x360 [ 5988.214162][ T10] netlink_unicast+0x449/0x710 [ 5988.214162][ T10] netlink_sendmsg+0x723/0xbe0 [ 5988.214162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5988.214162][ T10] ___sys_sendmsg+0xee/0x170 [ 5988.214162][ T10] __sys_sendmsg+0xcd/0x170 [ 5988.214162][ T10] do_syscall_64+0xc6/0x1e0 [ 5988.214162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5988.214162][ T10] [ 5988.215942][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5988.215942][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5988.215942][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5988.215942][ T10] ipv6_find_idev+0x102/0x170 [ 5988.215942][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5988.215942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5988.215942][ T10] netlink_rcv_skb+0x130/0x360 [ 5988.215942][ T10] netlink_unicast+0x449/0x710 [ 5988.215942][ T10] netlink_sendmsg+0x723/0xbe0 [ 5988.215942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5988.215942][ T10] ___sys_sendmsg+0xee/0x170 [ 5988.215942][ T10] __sys_sendmsg+0xcd/0x170 [ 5988.215942][ T10] do_syscall_64+0xc6/0x1e0 [ 5988.215942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5988.215942][ T10] [ 5998.225061][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 5998.225151][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 5998.225568][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5998.225568][ T1167] dst_init+0x84/0x4a0 [ 5998.225568][ T1167] dst_alloc+0x97/0x150 [ 5998.225568][ T1167] ip6_dst_alloc+0x23/0x90 [ 5998.225568][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5998.225568][ T1167] ip6_pol_route+0x56f/0x840 [ 5998.225568][ T1167] fib6_rule_lookup+0x334/0x630 [ 5998.225568][ T1167] ip6_route_output_flags+0x259/0x480 [ 5998.225568][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 5998.225568][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 5998.225568][ T1167] netlink_rcv_skb+0x130/0x360 [ 5998.225568][ T1167] netlink_unicast+0x449/0x710 [ 5998.225568][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5998.225568][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5998.225568][ T1167] ___sys_sendmsg+0xee/0x170 [ 5998.225568][ T1167] __sys_sendmsg+0xcd/0x170 [ 5998.225568][ T1167] do_syscall_64+0xc6/0x1e0 [ 5998.225568][ T1167] [ 5998.225810][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5998.225810][ T10] netdev_get_by_index+0x5e/0x80 [ 5998.225810][ T10] fib6_nh_init+0x3d8/0x1580 [ 5998.225810][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5998.225810][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5998.225810][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5998.225810][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5998.225810][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5998.225810][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5998.225810][ T10] addrconf_dad_begin+0x310/0x670 [ 5998.225810][ T10] addrconf_dad_work+0x10b/0xab0 [ 5998.225810][ T10] process_one_work+0x84d/0x18a0 [ 5998.225810][ T10] worker_thread+0x587/0xd30 [ 5998.225810][ T10] kthread+0x28a/0x350 [ 5998.225810][ T10] ret_from_fork+0x31/0x70 [ 5998.225810][ T10] ret_from_fork_asm+0x1a/0x30 [ 5998.225810][ T10] [ 5998.227943][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5998.227943][ T1167] netdev_get_by_index+0x5e/0x80 [ 5998.227943][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5998.227943][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5998.227943][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 5998.227943][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5998.227943][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 5998.227943][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5998.227943][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 5998.227943][ T1167] addrconf_dad_begin+0x310/0x670 [ 5998.227943][ T1167] addrconf_dad_work+0x10b/0xab0 [ 5998.227943][ T1167] process_one_work+0x84d/0x18a0 [ 5998.227943][ T1167] worker_thread+0x587/0xd30 [ 5998.227943][ T1167] kthread+0x28a/0x350 [ 5998.227943][ T1167] ret_from_fork+0x31/0x70 [ 5998.227943][ T1167] ret_from_fork_asm+0x1a/0x30 [ 5998.227943][ T1167] [ 5998.230076][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5998.230076][ T10] netdev_get_by_index+0x5e/0x80 [ 5998.230076][ T10] fib6_nh_init+0x3d8/0x1580 [ 5998.230076][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5998.230076][ T10] ip6_route_add+0x1c/0x140 [ 5998.230076][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5998.230076][ T10] inet6_addr_add+0x4f8/0xa40 [ 5998.230076][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5998.230076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.230076][ T10] netlink_rcv_skb+0x130/0x360 [ 5998.230076][ T10] netlink_unicast+0x449/0x710 [ 5998.230076][ T10] netlink_sendmsg+0x723/0xbe0 [ 5998.230076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5998.230076][ T10] ___sys_sendmsg+0xee/0x170 [ 5998.230076][ T10] __sys_sendmsg+0xcd/0x170 [ 5998.230076][ T10] do_syscall_64+0xc6/0x1e0 [ 5998.230076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.230076][ T10] [ 5998.232226][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5998.232226][ T1167] netdev_get_by_index+0x5e/0x80 [ 5998.232226][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5998.232226][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5998.232226][ T1167] ip6_route_add+0x1c/0x140 [ 5998.232226][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 5998.232226][ T1167] inet6_addr_add+0x4f8/0xa40 [ 5998.232226][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5998.232226][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.232226][ T1167] netlink_rcv_skb+0x130/0x360 [ 5998.232226][ T1167] netlink_unicast+0x449/0x710 [ 5998.232226][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5998.232226][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5998.232226][ T1167] ___sys_sendmsg+0xee/0x170 [ 5998.232226][ T1167] __sys_sendmsg+0xcd/0x170 [ 5998.232226][ T1167] do_syscall_64+0xc6/0x1e0 [ 5998.232226][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.232226][ T1167] [ 5998.234429][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5998.234429][ T10] netdev_get_by_index+0x5e/0x80 [ 5998.234429][ T10] fib6_nh_init+0x3d8/0x1580 [ 5998.234429][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5998.234429][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5998.234429][ T10] ipv6_add_addr+0x411/0x2000 [ 5998.234429][ T10] inet6_addr_add+0x30e/0xa40 [ 5998.234429][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5998.234429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.234429][ T10] netlink_rcv_skb+0x130/0x360 [ 5998.234429][ T10] netlink_unicast+0x449/0x710 [ 5998.234429][ T10] netlink_sendmsg+0x723/0xbe0 [ 5998.234429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5998.234429][ T10] ___sys_sendmsg+0xee/0x170 [ 5998.234429][ T10] __sys_sendmsg+0xcd/0x170 [ 5998.234429][ T10] do_syscall_64+0xc6/0x1e0 [ 5998.234429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.234429][ T10] [ 5998.236687][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5998.236687][ T1167] netdev_get_by_index+0x5e/0x80 [ 5998.236687][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5998.236687][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5998.236687][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 5998.236687][ T1167] ipv6_add_addr+0x411/0x2000 [ 5998.236687][ T1167] inet6_addr_add+0x30e/0xa40 [ 5998.236687][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5998.236687][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.236687][ T1167] netlink_rcv_skb+0x130/0x360 [ 5998.236687][ T1167] netlink_unicast+0x449/0x710 [ 5998.236687][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5998.236687][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5998.236687][ T1167] ___sys_sendmsg+0xee/0x170 [ 5998.236687][ T1167] __sys_sendmsg+0xcd/0x170 [ 5998.236687][ T1167] do_syscall_64+0xc6/0x1e0 [ 5998.236687][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.236687][ T1167] [ 5998.238885][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5998.238885][ T10] netdev_get_by_index+0x5e/0x80 [ 5998.238885][ T10] fib6_nh_init+0x3d8/0x1580 [ 5998.238885][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5998.238885][ T10] ip6_route_add+0x1c/0x140 [ 5998.238885][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5998.238885][ T10] addrconf_add_dev+0xe2/0x170 [ 5998.238885][ T10] inet6_addr_add+0x12f/0xa40 [ 5998.238885][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5998.238885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.238885][ T10] netlink_rcv_skb+0x130/0x360 [ 5998.238885][ T10] netlink_unicast+0x449/0x710 [ 5998.238885][ T10] netlink_sendmsg+0x723/0xbe0 [ 5998.238885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5998.238885][ T10] ___sys_sendmsg+0xee/0x170 [ 5998.238885][ T10] __sys_sendmsg+0xcd/0x170 [ 5998.238885][ T10] do_syscall_64+0xc6/0x1e0 [ 5998.238885][ T10] [ 5998.241149][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5998.241149][ T1167] netdev_get_by_index+0x5e/0x80 [ 5998.241149][ T1167] fib6_nh_init+0x3d8/0x1580 [ 5998.241149][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 5998.241149][ T1167] ip6_route_add+0x1c/0x140 [ 5998.241149][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 5998.241149][ T1167] addrconf_add_dev+0xe2/0x170 [ 5998.241149][ T1167] inet6_addr_add+0x12f/0xa40 [ 5998.241149][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 5998.241149][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.241149][ T1167] netlink_rcv_skb+0x130/0x360 [ 5998.241149][ T1167] netlink_unicast+0x449/0x710 [ 5998.241149][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5998.241149][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5998.241149][ T1167] ___sys_sendmsg+0xee/0x170 [ 5998.241149][ T1167] __sys_sendmsg+0xcd/0x170 [ 5998.241149][ T1167] do_syscall_64+0xc6/0x1e0 [ 5998.241149][ T1167] [ 5998.243336][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5998.243336][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5998.243336][ T10] ipv6_find_idev+0x102/0x170 [ 5998.243336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5998.243336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.243336][ T10] netlink_rcv_skb+0x130/0x360 [ 5998.243336][ T10] netlink_unicast+0x449/0x710 [ 5998.243336][ T10] netlink_sendmsg+0x723/0xbe0 [ 5998.243336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5998.243336][ T10] ___sys_sendmsg+0xee/0x170 [ 5998.243336][ T10] __sys_sendmsg+0xcd/0x170 [ 5998.243336][ T10] do_syscall_64+0xc6/0x1e0 [ 5998.243336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.243336][ T10] [ 5998.245544][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5998.245544][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 5998.245544][ T1167] ipv6_find_idev+0x102/0x170 [ 5998.245544][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5998.245544][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.245544][ T1167] netlink_rcv_skb+0x130/0x360 [ 5998.245544][ T1167] netlink_unicast+0x449/0x710 [ 5998.245544][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5998.245544][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5998.245544][ T1167] ___sys_sendmsg+0xee/0x170 [ 5998.245544][ T1167] __sys_sendmsg+0xcd/0x170 [ 5998.245544][ T1167] do_syscall_64+0xc6/0x1e0 [ 5998.245544][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.245544][ T1167] [ 5998.247251][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 5998.247251][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5998.247251][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5998.247251][ T10] ipv6_find_idev+0x102/0x170 [ 5998.247251][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5998.247251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.247251][ T10] netlink_rcv_skb+0x130/0x360 [ 5998.247251][ T10] netlink_unicast+0x449/0x710 [ 5998.247251][ T10] netlink_sendmsg+0x723/0xbe0 [ 5998.247251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5998.247251][ T10] ___sys_sendmsg+0xee/0x170 [ 5998.247251][ T10] __sys_sendmsg+0xcd/0x170 [ 5998.247251][ T10] do_syscall_64+0xc6/0x1e0 [ 5998.247251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.247251][ T10] [ 5998.248984][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 5998.248984][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 5998.248984][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 5998.248984][ T1167] ipv6_find_idev+0x102/0x170 [ 5998.248984][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 5998.248984][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.248984][ T1167] netlink_rcv_skb+0x130/0x360 [ 5998.248984][ T1167] netlink_unicast+0x449/0x710 [ 5998.248984][ T1167] netlink_sendmsg+0x723/0xbe0 [ 5998.248984][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 5998.248984][ T1167] ___sys_sendmsg+0xee/0x170 [ 5998.248984][ T1167] __sys_sendmsg+0xcd/0x170 [ 5998.248984][ T1167] do_syscall_64+0xc6/0x1e0 [ 5998.248984][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.248984][ T1167] [ 5998.250855][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 5998.253014][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5998.253014][ T10] netdev_get_by_index+0x5e/0x80 [ 5998.253014][ T10] fib6_nh_init+0x3d8/0x1580 [ 5998.253014][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5998.253014][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5998.253014][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5998.253014][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5998.253014][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5998.253014][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5998.253014][ T10] addrconf_dad_begin+0x310/0x670 [ 5998.253014][ T10] addrconf_dad_work+0x10b/0xab0 [ 5998.253014][ T10] process_one_work+0x84d/0x18a0 [ 5998.253014][ T10] worker_thread+0x587/0xd30 [ 5998.253014][ T10] kthread+0x28a/0x350 [ 5998.253014][ T10] ret_from_fork+0x31/0x70 [ 5998.253014][ T10] ret_from_fork_asm+0x1a/0x30 [ 5998.253014][ T10] [ 5998.255160][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5998.255160][ T10] netdev_get_by_index+0x5e/0x80 [ 5998.255160][ T10] fib6_nh_init+0x3d8/0x1580 [ 5998.255160][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5998.255160][ T10] ip6_route_add+0x1c/0x140 [ 5998.255160][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5998.255160][ T10] inet6_addr_add+0x4f8/0xa40 [ 5998.255160][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5998.255160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.255160][ T10] netlink_rcv_skb+0x130/0x360 [ 5998.255160][ T10] netlink_unicast+0x449/0x710 [ 5998.255160][ T10] netlink_sendmsg+0x723/0xbe0 [ 5998.255160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5998.255160][ T10] ___sys_sendmsg+0xee/0x170 [ 5998.255160][ T10] __sys_sendmsg+0xcd/0x170 [ 5998.255160][ T10] do_syscall_64+0xc6/0x1e0 [ 5998.255160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.255160][ T10] [ 5998.257676][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5998.257676][ T10] netdev_get_by_index+0x5e/0x80 [ 5998.257676][ T10] fib6_nh_init+0x3d8/0x1580 [ 5998.257676][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5998.257676][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5998.257676][ T10] ipv6_add_addr+0x411/0x2000 [ 5998.257676][ T10] inet6_addr_add+0x30e/0xa40 [ 5998.257676][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5998.257676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.257676][ T10] netlink_rcv_skb+0x130/0x360 [ 5998.257676][ T10] netlink_unicast+0x449/0x710 [ 5998.257676][ T10] netlink_sendmsg+0x723/0xbe0 [ 5998.257676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5998.257676][ T10] ___sys_sendmsg+0xee/0x170 [ 5998.257676][ T10] __sys_sendmsg+0xcd/0x170 [ 5998.257676][ T10] do_syscall_64+0xc6/0x1e0 [ 5998.257676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.257676][ T10] [ 5998.260102][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5998.260102][ T10] netdev_get_by_index+0x5e/0x80 [ 5998.260102][ T10] fib6_nh_init+0x3d8/0x1580 [ 5998.260102][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5998.260102][ T10] ip6_route_add+0x1c/0x140 [ 5998.260102][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5998.260102][ T10] addrconf_add_dev+0xe2/0x170 [ 5998.260102][ T10] inet6_addr_add+0x12f/0xa40 [ 5998.260102][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5998.260102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.260102][ T10] netlink_rcv_skb+0x130/0x360 [ 5998.260102][ T10] netlink_unicast+0x449/0x710 [ 5998.260102][ T10] netlink_sendmsg+0x723/0xbe0 [ 5998.260102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5998.260102][ T10] ___sys_sendmsg+0xee/0x170 [ 5998.260102][ T10] __sys_sendmsg+0xcd/0x170 [ 5998.260102][ T10] do_syscall_64+0xc6/0x1e0 [ 5998.260102][ T10] [ 5998.262560][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5998.262560][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5998.262560][ T10] ipv6_find_idev+0x102/0x170 [ 5998.262560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5998.262560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.262560][ T10] netlink_rcv_skb+0x130/0x360 [ 5998.262560][ T10] netlink_unicast+0x449/0x710 [ 5998.262560][ T10] netlink_sendmsg+0x723/0xbe0 [ 5998.262560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5998.262560][ T10] ___sys_sendmsg+0xee/0x170 [ 5998.262560][ T10] __sys_sendmsg+0xcd/0x170 [ 5998.262560][ T10] do_syscall_64+0xc6/0x1e0 [ 5998.262560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.262560][ T10] [ 5998.264478][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 5998.264478][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5998.264478][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5998.264478][ T10] ipv6_find_idev+0x102/0x170 [ 5998.264478][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5998.264478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.264478][ T10] netlink_rcv_skb+0x130/0x360 [ 5998.264478][ T10] netlink_unicast+0x449/0x710 [ 5998.264478][ T10] netlink_sendmsg+0x723/0xbe0 [ 5998.264478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5998.264478][ T10] ___sys_sendmsg+0xee/0x170 [ 5998.264478][ T10] __sys_sendmsg+0xcd/0x170 [ 5998.264478][ T10] do_syscall_64+0xc6/0x1e0 [ 5998.264478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.264478][ T10] [ 5998.266513][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 5998.266774][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5998.266774][ T10] netdev_get_by_index+0x5e/0x80 [ 5998.266774][ T10] fib6_nh_init+0x3d8/0x1580 [ 5998.266774][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5998.266774][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5998.266774][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5998.266774][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5998.266774][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5998.266774][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5998.266774][ T10] addrconf_dad_begin+0x310/0x670 [ 5998.266774][ T10] addrconf_dad_work+0x10b/0xab0 [ 5998.266774][ T10] process_one_work+0x84d/0x18a0 [ 5998.266774][ T10] worker_thread+0x587/0xd30 [ 5998.266774][ T10] kthread+0x28a/0x350 [ 5998.266774][ T10] ret_from_fork+0x31/0x70 [ 5998.266774][ T10] ret_from_fork_asm+0x1a/0x30 [ 5998.266774][ T10] [ 5998.269162][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5998.269162][ T10] netdev_get_by_index+0x5e/0x80 [ 5998.269162][ T10] fib6_nh_init+0x3d8/0x1580 [ 5998.269162][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5998.269162][ T10] ip6_route_add+0x1c/0x140 [ 5998.269162][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5998.269162][ T10] inet6_addr_add+0x4f8/0xa40 [ 5998.269162][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5998.269162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.269162][ T10] netlink_rcv_skb+0x130/0x360 [ 5998.269162][ T10] netlink_unicast+0x449/0x710 [ 5998.269162][ T10] netlink_sendmsg+0x723/0xbe0 [ 5998.269162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5998.269162][ T10] ___sys_sendmsg+0xee/0x170 [ 5998.269162][ T10] __sys_sendmsg+0xcd/0x170 [ 5998.269162][ T10] do_syscall_64+0xc6/0x1e0 [ 5998.269162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.269162][ T10] [ 5998.271640][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5998.271640][ T10] netdev_get_by_index+0x5e/0x80 [ 5998.271640][ T10] fib6_nh_init+0x3d8/0x1580 [ 5998.271640][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5998.271640][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5998.271640][ T10] ipv6_add_addr+0x411/0x2000 [ 5998.271640][ T10] inet6_addr_add+0x30e/0xa40 [ 5998.271640][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5998.271640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.271640][ T10] netlink_rcv_skb+0x130/0x360 [ 5998.271640][ T10] netlink_unicast+0x449/0x710 [ 5998.271640][ T10] netlink_sendmsg+0x723/0xbe0 [ 5998.271640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5998.271640][ T10] ___sys_sendmsg+0xee/0x170 [ 5998.271640][ T10] __sys_sendmsg+0xcd/0x170 [ 5998.271640][ T10] do_syscall_64+0xc6/0x1e0 [ 5998.271640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.271640][ T10] [ 5998.274144][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5998.274144][ T10] netdev_get_by_index+0x5e/0x80 [ 5998.274144][ T10] fib6_nh_init+0x3d8/0x1580 [ 5998.274144][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5998.274144][ T10] ip6_route_add+0x1c/0x140 [ 5998.274144][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5998.274144][ T10] addrconf_add_dev+0xe2/0x170 [ 5998.274144][ T10] inet6_addr_add+0x12f/0xa40 [ 5998.274144][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5998.274144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.274144][ T10] netlink_rcv_skb+0x130/0x360 [ 5998.274144][ T10] netlink_unicast+0x449/0x710 [ 5998.274144][ T10] netlink_sendmsg+0x723/0xbe0 [ 5998.274144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5998.274144][ T10] ___sys_sendmsg+0xee/0x170 [ 5998.274144][ T10] __sys_sendmsg+0xcd/0x170 [ 5998.274144][ T10] do_syscall_64+0xc6/0x1e0 [ 5998.274144][ T10] [ 5998.276454][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5998.276454][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5998.276454][ T10] ipv6_find_idev+0x102/0x170 [ 5998.276454][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5998.276454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.276454][ T10] netlink_rcv_skb+0x130/0x360 [ 5998.276454][ T10] netlink_unicast+0x449/0x710 [ 5998.276454][ T10] netlink_sendmsg+0x723/0xbe0 [ 5998.276454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5998.276454][ T10] ___sys_sendmsg+0xee/0x170 [ 5998.276454][ T10] __sys_sendmsg+0xcd/0x170 [ 5998.276454][ T10] do_syscall_64+0xc6/0x1e0 [ 5998.276454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.276454][ T10] [ 5998.278401][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 5998.278401][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5998.278401][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5998.278401][ T10] ipv6_find_idev+0x102/0x170 [ 5998.278401][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5998.278401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.278401][ T10] netlink_rcv_skb+0x130/0x360 [ 5998.278401][ T10] netlink_unicast+0x449/0x710 [ 5998.278401][ T10] netlink_sendmsg+0x723/0xbe0 [ 5998.278401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5998.278401][ T10] ___sys_sendmsg+0xee/0x170 [ 5998.278401][ T10] __sys_sendmsg+0xcd/0x170 [ 5998.278401][ T10] do_syscall_64+0xc6/0x1e0 [ 5998.278401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.278401][ T10] [ 5998.280577][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 5998.280835][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5998.280835][ T10] netdev_get_by_index+0x5e/0x80 [ 5998.280835][ T10] fib6_nh_init+0x3d8/0x1580 [ 5998.280835][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5998.280835][ T10] addrconf_f6i_alloc+0x265/0x560 [ 5998.280835][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5998.280835][ T10] addrconf_join_anycast+0x1c0/0x220 [ 5998.280835][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5998.280835][ T10] addrconf_dad_completed+0x12b/0xe20 [ 5998.280835][ T10] addrconf_dad_begin+0x310/0x670 [ 5998.280835][ T10] addrconf_dad_work+0x10b/0xab0 [ 5998.280835][ T10] process_one_work+0x84d/0x18a0 [ 5998.280835][ T10] worker_thread+0x587/0xd30 [ 5998.280835][ T10] kthread+0x28a/0x350 [ 5998.280835][ T10] ret_from_fork+0x31/0x70 [ 5998.280835][ T10] ret_from_fork_asm+0x1a/0x30 [ 5998.280835][ T10] [ 5998.283150][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5998.283150][ T10] netdev_get_by_index+0x5e/0x80 [ 5998.283150][ T10] fib6_nh_init+0x3d8/0x1580 [ 5998.283150][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5998.283150][ T10] ip6_route_add+0x1c/0x140 [ 5998.283150][ T10] addrconf_prefix_route+0x2a6/0x430 [ 5998.283150][ T10] inet6_addr_add+0x4f8/0xa40 [ 5998.283150][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5998.283150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.283150][ T10] netlink_rcv_skb+0x130/0x360 [ 5998.283150][ T10] netlink_unicast+0x449/0x710 [ 5998.283150][ T10] netlink_sendmsg+0x723/0xbe0 [ 5998.283150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5998.283150][ T10] ___sys_sendmsg+0xee/0x170 [ 5998.283150][ T10] __sys_sendmsg+0xcd/0x170 [ 5998.283150][ T10] do_syscall_64+0xc6/0x1e0 [ 5998.283150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.283150][ T10] [ 5998.285636][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5998.285636][ T10] netdev_get_by_index+0x5e/0x80 [ 5998.285636][ T10] fib6_nh_init+0x3d8/0x1580 [ 5998.285636][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5998.285636][ T10] addrconf_f6i_alloc+0x315/0x560 [ 5998.285636][ T10] ipv6_add_addr+0x411/0x2000 [ 5998.285636][ T10] inet6_addr_add+0x30e/0xa40 [ 5998.285636][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5998.285636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.285636][ T10] netlink_rcv_skb+0x130/0x360 [ 5998.285636][ T10] netlink_unicast+0x449/0x710 [ 5998.285636][ T10] netlink_sendmsg+0x723/0xbe0 [ 5998.285636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5998.285636][ T10] ___sys_sendmsg+0xee/0x170 [ 5998.285636][ T10] __sys_sendmsg+0xcd/0x170 [ 5998.285636][ T10] do_syscall_64+0xc6/0x1e0 [ 5998.285636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.285636][ T10] [ 5998.288050][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5998.288050][ T10] netdev_get_by_index+0x5e/0x80 [ 5998.288050][ T10] fib6_nh_init+0x3d8/0x1580 [ 5998.288050][ T10] ip6_route_info_create+0xf18/0x17d0 [ 5998.288050][ T10] ip6_route_add+0x1c/0x140 [ 5998.288050][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 5998.288050][ T10] addrconf_add_dev+0xe2/0x170 [ 5998.288050][ T10] inet6_addr_add+0x12f/0xa40 [ 5998.288050][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 5998.288050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.288050][ T10] netlink_rcv_skb+0x130/0x360 [ 5998.288050][ T10] netlink_unicast+0x449/0x710 [ 5998.288050][ T10] netlink_sendmsg+0x723/0xbe0 [ 5998.288050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5998.288050][ T10] ___sys_sendmsg+0xee/0x170 [ 5998.288050][ T10] __sys_sendmsg+0xcd/0x170 [ 5998.288050][ T10] do_syscall_64+0xc6/0x1e0 [ 5998.288050][ T10] [ 5998.290498][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5998.290498][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 5998.290498][ T10] ipv6_find_idev+0x102/0x170 [ 5998.290498][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5998.290498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.290498][ T10] netlink_rcv_skb+0x130/0x360 [ 5998.290498][ T10] netlink_unicast+0x449/0x710 [ 5998.290498][ T10] netlink_sendmsg+0x723/0xbe0 [ 5998.290498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5998.290498][ T10] ___sys_sendmsg+0xee/0x170 [ 5998.290498][ T10] __sys_sendmsg+0xcd/0x170 [ 5998.290498][ T10] do_syscall_64+0xc6/0x1e0 [ 5998.290498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.290498][ T10] [ 5998.292331][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 5998.292331][ T10] neigh_parms_alloc+0x1e5/0x510 [ 5998.292331][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 5998.292331][ T10] ipv6_find_idev+0x102/0x170 [ 5998.292331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 5998.292331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5998.292331][ T10] netlink_rcv_skb+0x130/0x360 [ 5998.292331][ T10] netlink_unicast+0x449/0x710 [ 5998.292331][ T10] netlink_sendmsg+0x723/0xbe0 [ 5998.292331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 5998.292331][ T10] ___sys_sendmsg+0xee/0x170 [ 5998.292331][ T10] __sys_sendmsg+0xcd/0x170 [ 5998.292331][ T10] do_syscall_64+0xc6/0x1e0 [ 5998.292331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5998.292331][ T10] [ 6008.849186][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6008.849774][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6008.849774][ T1167] dst_init+0x84/0x4a0 [ 6008.849774][ T1167] dst_alloc+0x97/0x150 [ 6008.849774][ T1167] ip6_dst_alloc+0x23/0x90 [ 6008.849774][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6008.849774][ T1167] ip6_pol_route+0x56f/0x840 [ 6008.849774][ T1167] fib6_rule_lookup+0x334/0x630 [ 6008.849774][ T1167] ip6_route_output_flags+0x259/0x480 [ 6008.849774][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6008.849774][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6008.849774][ T1167] netlink_rcv_skb+0x130/0x360 [ 6008.849774][ T1167] netlink_unicast+0x449/0x710 [ 6008.849774][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6008.849774][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6008.849774][ T1167] ___sys_sendmsg+0xee/0x170 [ 6008.849774][ T1167] __sys_sendmsg+0xcd/0x170 [ 6008.849774][ T1167] do_syscall_64+0xc6/0x1e0 [ 6008.849774][ T1167] [ 6008.850048][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6008.852221][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6008.852221][ T1167] netdev_get_by_index+0x5e/0x80 [ 6008.852221][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6008.852221][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6008.852221][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6008.852221][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6008.852221][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6008.852221][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6008.852221][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6008.852221][ T1167] addrconf_dad_begin+0x310/0x670 [ 6008.852221][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6008.852221][ T1167] process_one_work+0x84d/0x18a0 [ 6008.852221][ T1167] worker_thread+0x587/0xd30 [ 6008.852221][ T1167] kthread+0x28a/0x350 [ 6008.852221][ T1167] ret_from_fork+0x31/0x70 [ 6008.852221][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6008.852221][ T1167] [ 6008.852559][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6008.852559][ T10] netdev_get_by_index+0x5e/0x80 [ 6008.852559][ T10] fib6_nh_init+0x3d8/0x1580 [ 6008.852559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6008.852559][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6008.852559][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6008.852559][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6008.852559][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6008.852559][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6008.852559][ T10] addrconf_dad_begin+0x310/0x670 [ 6008.852559][ T10] addrconf_dad_work+0x10b/0xab0 [ 6008.852559][ T10] process_one_work+0x84d/0x18a0 [ 6008.852559][ T10] worker_thread+0x587/0xd30 [ 6008.852559][ T10] kthread+0x28a/0x350 [ 6008.852559][ T10] ret_from_fork+0x31/0x70 [ 6008.852559][ T10] ret_from_fork_asm+0x1a/0x30 [ 6008.852559][ T10] [ 6008.854829][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6008.854829][ T1167] netdev_get_by_index+0x5e/0x80 [ 6008.854829][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6008.854829][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6008.854829][ T1167] ip6_route_add+0x1c/0x140 [ 6008.854829][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6008.854829][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6008.854829][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6008.854829][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.854829][ T1167] netlink_rcv_skb+0x130/0x360 [ 6008.854829][ T1167] netlink_unicast+0x449/0x710 [ 6008.854829][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6008.854829][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6008.854829][ T1167] ___sys_sendmsg+0xee/0x170 [ 6008.854829][ T1167] __sys_sendmsg+0xcd/0x170 [ 6008.854829][ T1167] do_syscall_64+0xc6/0x1e0 [ 6008.854829][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.854829][ T1167] [ 6008.856739][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6008.856739][ T10] netdev_get_by_index+0x5e/0x80 [ 6008.856739][ T10] fib6_nh_init+0x3d8/0x1580 [ 6008.856739][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6008.856739][ T10] ip6_route_add+0x1c/0x140 [ 6008.856739][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6008.856739][ T10] inet6_addr_add+0x4f8/0xa40 [ 6008.856739][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6008.856739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.856739][ T10] netlink_rcv_skb+0x130/0x360 [ 6008.856739][ T10] netlink_unicast+0x449/0x710 [ 6008.856739][ T10] netlink_sendmsg+0x723/0xbe0 [ 6008.856739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6008.856739][ T10] ___sys_sendmsg+0xee/0x170 [ 6008.856739][ T10] __sys_sendmsg+0xcd/0x170 [ 6008.856739][ T10] do_syscall_64+0xc6/0x1e0 [ 6008.856739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.856739][ T10] [ 6008.859212][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6008.859212][ T1167] netdev_get_by_index+0x5e/0x80 [ 6008.859212][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6008.859212][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6008.859212][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6008.859212][ T1167] ipv6_add_addr+0x411/0x2000 [ 6008.859212][ T1167] inet6_addr_add+0x30e/0xa40 [ 6008.859212][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6008.859212][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.859212][ T1167] netlink_rcv_skb+0x130/0x360 [ 6008.859212][ T1167] netlink_unicast+0x449/0x710 [ 6008.859212][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6008.859212][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6008.859212][ T1167] ___sys_sendmsg+0xee/0x170 [ 6008.859212][ T1167] __sys_sendmsg+0xcd/0x170 [ 6008.859212][ T1167] do_syscall_64+0xc6/0x1e0 [ 6008.859212][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.859212][ T1167] [ 6008.861216][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6008.861216][ T10] netdev_get_by_index+0x5e/0x80 [ 6008.861216][ T10] fib6_nh_init+0x3d8/0x1580 [ 6008.861216][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6008.861216][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6008.861216][ T10] ipv6_add_addr+0x411/0x2000 [ 6008.861216][ T10] inet6_addr_add+0x30e/0xa40 [ 6008.861216][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6008.861216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.861216][ T10] netlink_rcv_skb+0x130/0x360 [ 6008.861216][ T10] netlink_unicast+0x449/0x710 [ 6008.861216][ T10] netlink_sendmsg+0x723/0xbe0 [ 6008.861216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6008.861216][ T10] ___sys_sendmsg+0xee/0x170 [ 6008.861216][ T10] __sys_sendmsg+0xcd/0x170 [ 6008.861216][ T10] do_syscall_64+0xc6/0x1e0 [ 6008.861216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.861216][ T10] [ 6008.863696][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6008.863696][ T1167] netdev_get_by_index+0x5e/0x80 [ 6008.863696][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6008.863696][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6008.863696][ T1167] ip6_route_add+0x1c/0x140 [ 6008.863696][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6008.863696][ T1167] addrconf_add_dev+0xe2/0x170 [ 6008.863696][ T1167] inet6_addr_add+0x12f/0xa40 [ 6008.863696][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6008.863696][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.863696][ T1167] netlink_rcv_skb+0x130/0x360 [ 6008.863696][ T1167] netlink_unicast+0x449/0x710 [ 6008.863696][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6008.863696][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6008.863696][ T1167] ___sys_sendmsg+0xee/0x170 [ 6008.863696][ T1167] __sys_sendmsg+0xcd/0x170 [ 6008.863696][ T1167] do_syscall_64+0xc6/0x1e0 [ 6008.863696][ T1167] [ 6008.865711][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6008.865711][ T10] netdev_get_by_index+0x5e/0x80 [ 6008.865711][ T10] fib6_nh_init+0x3d8/0x1580 [ 6008.865711][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6008.865711][ T10] ip6_route_add+0x1c/0x140 [ 6008.865711][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6008.865711][ T10] addrconf_add_dev+0xe2/0x170 [ 6008.865711][ T10] inet6_addr_add+0x12f/0xa40 [ 6008.865711][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6008.865711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.865711][ T10] netlink_rcv_skb+0x130/0x360 [ 6008.865711][ T10] netlink_unicast+0x449/0x710 [ 6008.865711][ T10] netlink_sendmsg+0x723/0xbe0 [ 6008.865711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6008.865711][ T10] ___sys_sendmsg+0xee/0x170 [ 6008.865711][ T10] __sys_sendmsg+0xcd/0x170 [ 6008.865711][ T10] do_syscall_64+0xc6/0x1e0 [ 6008.865711][ T10] [ 6008.868149][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6008.868149][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6008.868149][ T1167] ipv6_find_idev+0x102/0x170 [ 6008.868149][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6008.868149][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.868149][ T1167] netlink_rcv_skb+0x130/0x360 [ 6008.868149][ T1167] netlink_unicast+0x449/0x710 [ 6008.868149][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6008.868149][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6008.868149][ T1167] ___sys_sendmsg+0xee/0x170 [ 6008.868149][ T1167] __sys_sendmsg+0xcd/0x170 [ 6008.868149][ T1167] do_syscall_64+0xc6/0x1e0 [ 6008.868149][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.868149][ T1167] [ 6008.870126][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6008.870126][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6008.870126][ T10] ipv6_find_idev+0x102/0x170 [ 6008.870126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6008.870126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.870126][ T10] netlink_rcv_skb+0x130/0x360 [ 6008.870126][ T10] netlink_unicast+0x449/0x710 [ 6008.870126][ T10] netlink_sendmsg+0x723/0xbe0 [ 6008.870126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6008.870126][ T10] ___sys_sendmsg+0xee/0x170 [ 6008.870126][ T10] __sys_sendmsg+0xcd/0x170 [ 6008.870126][ T10] do_syscall_64+0xc6/0x1e0 [ 6008.870126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.870126][ T10] [ 6008.872036][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6008.872036][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6008.872036][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6008.872036][ T1167] ipv6_find_idev+0x102/0x170 [ 6008.872036][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6008.872036][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.872036][ T1167] netlink_rcv_skb+0x130/0x360 [ 6008.872036][ T1167] netlink_unicast+0x449/0x710 [ 6008.872036][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6008.872036][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6008.872036][ T1167] ___sys_sendmsg+0xee/0x170 [ 6008.872036][ T1167] __sys_sendmsg+0xcd/0x170 [ 6008.872036][ T1167] do_syscall_64+0xc6/0x1e0 [ 6008.872036][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.872036][ T1167] [ 6008.873570][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6008.873570][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6008.873570][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6008.873570][ T10] ipv6_find_idev+0x102/0x170 [ 6008.873570][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6008.873570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.873570][ T10] netlink_rcv_skb+0x130/0x360 [ 6008.873570][ T10] netlink_unicast+0x449/0x710 [ 6008.873570][ T10] netlink_sendmsg+0x723/0xbe0 [ 6008.873570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6008.873570][ T10] ___sys_sendmsg+0xee/0x170 [ 6008.873570][ T10] __sys_sendmsg+0xcd/0x170 [ 6008.873570][ T10] do_syscall_64+0xc6/0x1e0 [ 6008.873570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.873570][ T10] [ 6008.877361][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6008.877604][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6008.877604][ T10] netdev_get_by_index+0x5e/0x80 [ 6008.877604][ T10] fib6_nh_init+0x3d8/0x1580 [ 6008.877604][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6008.877604][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6008.877604][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6008.877604][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6008.877604][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6008.877604][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6008.877604][ T10] addrconf_dad_begin+0x310/0x670 [ 6008.877604][ T10] addrconf_dad_work+0x10b/0xab0 [ 6008.877604][ T10] process_one_work+0x84d/0x18a0 [ 6008.877604][ T10] worker_thread+0x587/0xd30 [ 6008.877604][ T10] kthread+0x28a/0x350 [ 6008.877604][ T10] ret_from_fork+0x31/0x70 [ 6008.877604][ T10] ret_from_fork_asm+0x1a/0x30 [ 6008.877604][ T10] [ 6008.879536][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6008.879536][ T10] netdev_get_by_index+0x5e/0x80 [ 6008.879536][ T10] fib6_nh_init+0x3d8/0x1580 [ 6008.879536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6008.879536][ T10] ip6_route_add+0x1c/0x140 [ 6008.879536][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6008.879536][ T10] inet6_addr_add+0x4f8/0xa40 [ 6008.879536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6008.879536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.879536][ T10] netlink_rcv_skb+0x130/0x360 [ 6008.879536][ T10] netlink_unicast+0x449/0x710 [ 6008.879536][ T10] netlink_sendmsg+0x723/0xbe0 [ 6008.879536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6008.879536][ T10] ___sys_sendmsg+0xee/0x170 [ 6008.879536][ T10] __sys_sendmsg+0xcd/0x170 [ 6008.879536][ T10] do_syscall_64+0xc6/0x1e0 [ 6008.879536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.879536][ T10] [ 6008.882196][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6008.882196][ T10] netdev_get_by_index+0x5e/0x80 [ 6008.882196][ T10] fib6_nh_init+0x3d8/0x1580 [ 6008.882196][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6008.882196][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6008.882196][ T10] ipv6_add_addr+0x411/0x2000 [ 6008.882196][ T10] inet6_addr_add+0x30e/0xa40 [ 6008.882196][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6008.882196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.882196][ T10] netlink_rcv_skb+0x130/0x360 [ 6008.882196][ T10] netlink_unicast+0x449/0x710 [ 6008.882196][ T10] netlink_sendmsg+0x723/0xbe0 [ 6008.882196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6008.882196][ T10] ___sys_sendmsg+0xee/0x170 [ 6008.882196][ T10] __sys_sendmsg+0xcd/0x170 [ 6008.882196][ T10] do_syscall_64+0xc6/0x1e0 [ 6008.882196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.882196][ T10] [ 6008.884545][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6008.884545][ T10] netdev_get_by_index+0x5e/0x80 [ 6008.884545][ T10] fib6_nh_init+0x3d8/0x1580 [ 6008.884545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6008.884545][ T10] ip6_route_add+0x1c/0x140 [ 6008.884545][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6008.884545][ T10] addrconf_add_dev+0xe2/0x170 [ 6008.884545][ T10] inet6_addr_add+0x12f/0xa40 [ 6008.884545][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6008.884545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.884545][ T10] netlink_rcv_skb+0x130/0x360 [ 6008.884545][ T10] netlink_unicast+0x449/0x710 [ 6008.884545][ T10] netlink_sendmsg+0x723/0xbe0 [ 6008.884545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6008.884545][ T10] ___sys_sendmsg+0xee/0x170 [ 6008.884545][ T10] __sys_sendmsg+0xcd/0x170 [ 6008.884545][ T10] do_syscall_64+0xc6/0x1e0 [ 6008.884545][ T10] [ 6008.886783][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6008.886783][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6008.886783][ T10] ipv6_find_idev+0x102/0x170 [ 6008.886783][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6008.886783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.886783][ T10] netlink_rcv_skb+0x130/0x360 [ 6008.886783][ T10] netlink_unicast+0x449/0x710 [ 6008.886783][ T10] netlink_sendmsg+0x723/0xbe0 [ 6008.886783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6008.886783][ T10] ___sys_sendmsg+0xee/0x170 [ 6008.886783][ T10] __sys_sendmsg+0xcd/0x170 [ 6008.886783][ T10] do_syscall_64+0xc6/0x1e0 [ 6008.886783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.886783][ T10] [ 6008.888521][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6008.888521][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6008.888521][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6008.888521][ T10] ipv6_find_idev+0x102/0x170 [ 6008.888521][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6008.888521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.888521][ T10] netlink_rcv_skb+0x130/0x360 [ 6008.888521][ T10] netlink_unicast+0x449/0x710 [ 6008.888521][ T10] netlink_sendmsg+0x723/0xbe0 [ 6008.888521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6008.888521][ T10] ___sys_sendmsg+0xee/0x170 [ 6008.888521][ T10] __sys_sendmsg+0xcd/0x170 [ 6008.888521][ T10] do_syscall_64+0xc6/0x1e0 [ 6008.888521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.888521][ T10] [ 6008.890453][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6008.890694][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6008.890694][ T10] netdev_get_by_index+0x5e/0x80 [ 6008.890694][ T10] fib6_nh_init+0x3d8/0x1580 [ 6008.890694][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6008.890694][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6008.890694][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6008.890694][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6008.890694][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6008.890694][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6008.890694][ T10] addrconf_dad_begin+0x310/0x670 [ 6008.890694][ T10] addrconf_dad_work+0x10b/0xab0 [ 6008.890694][ T10] process_one_work+0x84d/0x18a0 [ 6008.890694][ T10] worker_thread+0x587/0xd30 [ 6008.890694][ T10] kthread+0x28a/0x350 [ 6008.890694][ T10] ret_from_fork+0x31/0x70 [ 6008.890694][ T10] ret_from_fork_asm+0x1a/0x30 [ 6008.890694][ T10] [ 6008.892706][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6008.892706][ T10] netdev_get_by_index+0x5e/0x80 [ 6008.892706][ T10] fib6_nh_init+0x3d8/0x1580 [ 6008.892706][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6008.892706][ T10] ip6_route_add+0x1c/0x140 [ 6008.892706][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6008.892706][ T10] inet6_addr_add+0x4f8/0xa40 [ 6008.892706][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6008.892706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.892706][ T10] netlink_rcv_skb+0x130/0x360 [ 6008.892706][ T10] netlink_unicast+0x449/0x710 [ 6008.892706][ T10] netlink_sendmsg+0x723/0xbe0 [ 6008.892706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6008.892706][ T10] ___sys_sendmsg+0xee/0x170 [ 6008.892706][ T10] __sys_sendmsg+0xcd/0x170 [ 6008.892706][ T10] do_syscall_64+0xc6/0x1e0 [ 6008.892706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.892706][ T10] [ 6008.894732][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6008.894732][ T10] netdev_get_by_index+0x5e/0x80 [ 6008.894732][ T10] fib6_nh_init+0x3d8/0x1580 [ 6008.894732][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6008.894732][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6008.894732][ T10] ipv6_add_addr+0x411/0x2000 [ 6008.894732][ T10] inet6_addr_add+0x30e/0xa40 [ 6008.894732][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6008.894732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.894732][ T10] netlink_rcv_skb+0x130/0x360 [ 6008.894732][ T10] netlink_unicast+0x449/0x710 [ 6008.894732][ T10] netlink_sendmsg+0x723/0xbe0 [ 6008.894732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6008.894732][ T10] ___sys_sendmsg+0xee/0x170 [ 6008.894732][ T10] __sys_sendmsg+0xcd/0x170 [ 6008.894732][ T10] do_syscall_64+0xc6/0x1e0 [ 6008.894732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.894732][ T10] [ 6008.896762][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6008.896762][ T10] netdev_get_by_index+0x5e/0x80 [ 6008.896762][ T10] fib6_nh_init+0x3d8/0x1580 [ 6008.896762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6008.896762][ T10] ip6_route_add+0x1c/0x140 [ 6008.896762][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6008.896762][ T10] addrconf_add_dev+0xe2/0x170 [ 6008.896762][ T10] inet6_addr_add+0x12f/0xa40 [ 6008.896762][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6008.896762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.896762][ T10] netlink_rcv_skb+0x130/0x360 [ 6008.896762][ T10] netlink_unicast+0x449/0x710 [ 6008.896762][ T10] netlink_sendmsg+0x723/0xbe0 [ 6008.896762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6008.896762][ T10] ___sys_sendmsg+0xee/0x170 [ 6008.896762][ T10] __sys_sendmsg+0xcd/0x170 [ 6008.896762][ T10] do_syscall_64+0xc6/0x1e0 [ 6008.896762][ T10] [ 6008.899114][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6008.899114][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6008.899114][ T10] ipv6_find_idev+0x102/0x170 [ 6008.899114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6008.899114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.899114][ T10] netlink_rcv_skb+0x130/0x360 [ 6008.899114][ T10] netlink_unicast+0x449/0x710 [ 6008.899114][ T10] netlink_sendmsg+0x723/0xbe0 [ 6008.899114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6008.899114][ T10] ___sys_sendmsg+0xee/0x170 [ 6008.899114][ T10] __sys_sendmsg+0xcd/0x170 [ 6008.899114][ T10] do_syscall_64+0xc6/0x1e0 [ 6008.899114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.899114][ T10] [ 6008.900691][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6008.900691][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6008.900691][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6008.900691][ T10] ipv6_find_idev+0x102/0x170 [ 6008.900691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6008.900691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.900691][ T10] netlink_rcv_skb+0x130/0x360 [ 6008.900691][ T10] netlink_unicast+0x449/0x710 [ 6008.900691][ T10] netlink_sendmsg+0x723/0xbe0 [ 6008.900691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6008.900691][ T10] ___sys_sendmsg+0xee/0x170 [ 6008.900691][ T10] __sys_sendmsg+0xcd/0x170 [ 6008.900691][ T10] do_syscall_64+0xc6/0x1e0 [ 6008.900691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.900691][ T10] [ 6008.902393][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6008.902641][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6008.902641][ T10] netdev_get_by_index+0x5e/0x80 [ 6008.902641][ T10] fib6_nh_init+0x3d8/0x1580 [ 6008.902641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6008.902641][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6008.902641][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6008.902641][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6008.902641][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6008.902641][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6008.902641][ T10] addrconf_dad_begin+0x310/0x670 [ 6008.902641][ T10] addrconf_dad_work+0x10b/0xab0 [ 6008.902641][ T10] process_one_work+0x84d/0x18a0 [ 6008.902641][ T10] worker_thread+0x587/0xd30 [ 6008.902641][ T10] kthread+0x28a/0x350 [ 6008.902641][ T10] ret_from_fork+0x31/0x70 [ 6008.902641][ T10] ret_from_fork_asm+0x1a/0x30 [ 6008.902641][ T10] [ 6008.904742][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6008.904742][ T10] netdev_get_by_index+0x5e/0x80 [ 6008.904742][ T10] fib6_nh_init+0x3d8/0x1580 [ 6008.904742][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6008.904742][ T10] ip6_route_add+0x1c/0x140 [ 6008.904742][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6008.904742][ T10] inet6_addr_add+0x4f8/0xa40 [ 6008.904742][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6008.904742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.904742][ T10] netlink_rcv_skb+0x130/0x360 [ 6008.904742][ T10] netlink_unicast+0x449/0x710 [ 6008.904742][ T10] netlink_sendmsg+0x723/0xbe0 [ 6008.904742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6008.904742][ T10] ___sys_sendmsg+0xee/0x170 [ 6008.904742][ T10] __sys_sendmsg+0xcd/0x170 [ 6008.904742][ T10] do_syscall_64+0xc6/0x1e0 [ 6008.904742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.904742][ T10] [ 6008.907004][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6008.907004][ T10] netdev_get_by_index+0x5e/0x80 [ 6008.907004][ T10] fib6_nh_init+0x3d8/0x1580 [ 6008.907004][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6008.907004][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6008.907004][ T10] ipv6_add_addr+0x411/0x2000 [ 6008.907004][ T10] inet6_addr_add+0x30e/0xa40 [ 6008.907004][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6008.907004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.907004][ T10] netlink_rcv_skb+0x130/0x360 [ 6008.907004][ T10] netlink_unicast+0x449/0x710 [ 6008.907004][ T10] netlink_sendmsg+0x723/0xbe0 [ 6008.907004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6008.907004][ T10] ___sys_sendmsg+0xee/0x170 [ 6008.907004][ T10] __sys_sendmsg+0xcd/0x170 [ 6008.907004][ T10] do_syscall_64+0xc6/0x1e0 [ 6008.907004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.907004][ T10] [ 6008.909252][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6008.909252][ T10] netdev_get_by_index+0x5e/0x80 [ 6008.909252][ T10] fib6_nh_init+0x3d8/0x1580 [ 6008.909252][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6008.909252][ T10] ip6_route_add+0x1c/0x140 [ 6008.909252][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6008.909252][ T10] addrconf_add_dev+0xe2/0x170 [ 6008.909252][ T10] inet6_addr_add+0x12f/0xa40 [ 6008.909252][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6008.909252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.909252][ T10] netlink_rcv_skb+0x130/0x360 [ 6008.909252][ T10] netlink_unicast+0x449/0x710 [ 6008.909252][ T10] netlink_sendmsg+0x723/0xbe0 [ 6008.909252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6008.909252][ T10] ___sys_sendmsg+0xee/0x170 [ 6008.909252][ T10] __sys_sendmsg+0xcd/0x170 [ 6008.909252][ T10] do_syscall_64+0xc6/0x1e0 [ 6008.909252][ T10] [ 6008.911402][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6008.911402][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6008.911402][ T10] ipv6_find_idev+0x102/0x170 [ 6008.911402][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6008.911402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.911402][ T10] netlink_rcv_skb+0x130/0x360 [ 6008.911402][ T10] netlink_unicast+0x449/0x710 [ 6008.911402][ T10] netlink_sendmsg+0x723/0xbe0 [ 6008.911402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6008.911402][ T10] ___sys_sendmsg+0xee/0x170 [ 6008.911402][ T10] __sys_sendmsg+0xcd/0x170 [ 6008.911402][ T10] do_syscall_64+0xc6/0x1e0 [ 6008.911402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.911402][ T10] [ 6008.913481][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6008.913481][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6008.913481][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6008.913481][ T10] ipv6_find_idev+0x102/0x170 [ 6008.913481][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6008.913481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.913481][ T10] netlink_rcv_skb+0x130/0x360 [ 6008.913481][ T10] netlink_unicast+0x449/0x710 [ 6008.913481][ T10] netlink_sendmsg+0x723/0xbe0 [ 6008.913481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6008.913481][ T10] ___sys_sendmsg+0xee/0x170 [ 6008.913481][ T10] __sys_sendmsg+0xcd/0x170 [ 6008.913481][ T10] do_syscall_64+0xc6/0x1e0 [ 6008.913481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.913481][ T10] [ 6019.089182][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6019.089721][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6019.089721][ T1167] dst_init+0x84/0x4a0 [ 6019.089721][ T1167] dst_alloc+0x97/0x150 [ 6019.089721][ T1167] ip6_dst_alloc+0x23/0x90 [ 6019.089721][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6019.089721][ T1167] ip6_pol_route+0x56f/0x840 [ 6019.089721][ T1167] fib6_rule_lookup+0x334/0x630 [ 6019.089721][ T1167] ip6_route_output_flags+0x259/0x480 [ 6019.089721][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6019.089721][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6019.089721][ T1167] netlink_rcv_skb+0x130/0x360 [ 6019.089721][ T1167] netlink_unicast+0x449/0x710 [ 6019.089721][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6019.089721][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6019.089721][ T1167] ___sys_sendmsg+0xee/0x170 [ 6019.089721][ T1167] __sys_sendmsg+0xcd/0x170 [ 6019.089721][ T1167] do_syscall_64+0xc6/0x1e0 [ 6019.089721][ T1167] [ 6019.092179][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6019.092179][ T1167] netdev_get_by_index+0x5e/0x80 [ 6019.092179][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6019.092179][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6019.092179][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6019.092179][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6019.092179][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6019.092179][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6019.092179][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6019.092179][ T1167] addrconf_dad_begin+0x310/0x670 [ 6019.092179][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6019.092179][ T1167] process_one_work+0x84d/0x18a0 [ 6019.092179][ T1167] worker_thread+0x587/0xd30 [ 6019.092179][ T1167] kthread+0x28a/0x350 [ 6019.092179][ T1167] ret_from_fork+0x31/0x70 [ 6019.092179][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6019.092179][ T1167] [ 6019.094578][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6019.094578][ T1167] netdev_get_by_index+0x5e/0x80 [ 6019.094578][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6019.094578][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6019.094578][ T1167] ip6_route_add+0x1c/0x140 [ 6019.094578][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6019.094578][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6019.094578][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6019.094578][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6019.094578][ T1167] netlink_rcv_skb+0x130/0x360 [ 6019.094578][ T1167] netlink_unicast+0x449/0x710 [ 6019.094578][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6019.094578][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6019.094578][ T1167] ___sys_sendmsg+0xee/0x170 [ 6019.094578][ T1167] __sys_sendmsg+0xcd/0x170 [ 6019.094578][ T1167] do_syscall_64+0xc6/0x1e0 [ 6019.094578][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6019.094578][ T1167] [ 6019.097697][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6019.097697][ T1167] netdev_get_by_index+0x5e/0x80 [ 6019.097697][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6019.097697][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6019.097697][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6019.097697][ T1167] ipv6_add_addr+0x411/0x2000 [ 6019.097697][ T1167] inet6_addr_add+0x30e/0xa40 [ 6019.097697][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6019.097697][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6019.097697][ T1167] netlink_rcv_skb+0x130/0x360 [ 6019.097697][ T1167] netlink_unicast+0x449/0x710 [ 6019.097697][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6019.097697][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6019.097697][ T1167] ___sys_sendmsg+0xee/0x170 [ 6019.097697][ T1167] __sys_sendmsg+0xcd/0x170 [ 6019.097697][ T1167] do_syscall_64+0xc6/0x1e0 [ 6019.097697][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6019.097697][ T1167] [ 6019.100192][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6019.100192][ T1167] netdev_get_by_index+0x5e/0x80 [ 6019.100192][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6019.100192][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6019.100192][ T1167] ip6_route_add+0x1c/0x140 [ 6019.100192][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6019.100192][ T1167] addrconf_add_dev+0xe2/0x170 [ 6019.100192][ T1167] inet6_addr_add+0x12f/0xa40 [ 6019.100192][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6019.100192][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6019.100192][ T1167] netlink_rcv_skb+0x130/0x360 [ 6019.100192][ T1167] netlink_unicast+0x449/0x710 [ 6019.100192][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6019.100192][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6019.100192][ T1167] ___sys_sendmsg+0xee/0x170 [ 6019.100192][ T1167] __sys_sendmsg+0xcd/0x170 [ 6019.100192][ T1167] do_syscall_64+0xc6/0x1e0 [ 6019.100192][ T1167] [ 6019.102632][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6019.102632][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6019.102632][ T1167] ipv6_find_idev+0x102/0x170 [ 6019.102632][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6019.102632][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6019.102632][ T1167] netlink_rcv_skb+0x130/0x360 [ 6019.102632][ T1167] netlink_unicast+0x449/0x710 [ 6019.102632][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6019.102632][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6019.102632][ T1167] ___sys_sendmsg+0xee/0x170 [ 6019.102632][ T1167] __sys_sendmsg+0xcd/0x170 [ 6019.102632][ T1167] do_syscall_64+0xc6/0x1e0 [ 6019.102632][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6019.102632][ T1167] [ 6019.104546][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6019.104546][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6019.104546][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6019.104546][ T1167] ipv6_find_idev+0x102/0x170 [ 6019.104546][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6019.104546][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6019.104546][ T1167] netlink_rcv_skb+0x130/0x360 [ 6019.104546][ T1167] netlink_unicast+0x449/0x710 [ 6019.104546][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6019.104546][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6019.104546][ T1167] ___sys_sendmsg+0xee/0x170 [ 6019.104546][ T1167] __sys_sendmsg+0xcd/0x170 [ 6019.104546][ T1167] do_syscall_64+0xc6/0x1e0 [ 6019.104546][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6019.104546][ T1167] [ 6019.169114][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6019.169499][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6019.169499][ T10] netdev_get_by_index+0x5e/0x80 [ 6019.169499][ T10] fib6_nh_init+0x3d8/0x1580 [ 6019.169499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6019.169499][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6019.169499][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6019.169499][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6019.169499][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6019.169499][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6019.169499][ T10] addrconf_dad_begin+0x310/0x670 [ 6019.169499][ T10] addrconf_dad_work+0x10b/0xab0 [ 6019.169499][ T10] process_one_work+0x84d/0x18a0 [ 6019.169499][ T10] worker_thread+0x587/0xd30 [ 6019.169499][ T10] kthread+0x28a/0x350 [ 6019.169499][ T10] ret_from_fork+0x31/0x70 [ 6019.169499][ T10] ret_from_fork_asm+0x1a/0x30 [ 6019.169499][ T10] [ 6019.171469][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6019.171469][ T10] netdev_get_by_index+0x5e/0x80 [ 6019.171469][ T10] fib6_nh_init+0x3d8/0x1580 [ 6019.171469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6019.171469][ T10] ip6_route_add+0x1c/0x140 [ 6019.171469][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6019.171469][ T10] inet6_addr_add+0x4f8/0xa40 [ 6019.171469][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6019.171469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6019.171469][ T10] netlink_rcv_skb+0x130/0x360 [ 6019.171469][ T10] netlink_unicast+0x449/0x710 [ 6019.171469][ T10] netlink_sendmsg+0x723/0xbe0 [ 6019.171469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6019.171469][ T10] ___sys_sendmsg+0xee/0x170 [ 6019.171469][ T10] __sys_sendmsg+0xcd/0x170 [ 6019.171469][ T10] do_syscall_64+0xc6/0x1e0 [ 6019.171469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6019.171469][ T10] [ 6019.173475][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6019.173475][ T10] netdev_get_by_index+0x5e/0x80 [ 6019.173475][ T10] fib6_nh_init+0x3d8/0x1580 [ 6019.173475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6019.173475][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6019.173475][ T10] ipv6_add_addr+0x411/0x2000 [ 6019.173475][ T10] inet6_addr_add+0x30e/0xa40 [ 6019.173475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6019.173475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6019.173475][ T10] netlink_rcv_skb+0x130/0x360 [ 6019.173475][ T10] netlink_unicast+0x449/0x710 [ 6019.173475][ T10] netlink_sendmsg+0x723/0xbe0 [ 6019.173475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6019.173475][ T10] ___sys_sendmsg+0xee/0x170 [ 6019.173475][ T10] __sys_sendmsg+0xcd/0x170 [ 6019.173475][ T10] do_syscall_64+0xc6/0x1e0 [ 6019.173475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6019.173475][ T10] [ 6019.175480][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6019.175480][ T10] netdev_get_by_index+0x5e/0x80 [ 6019.175480][ T10] fib6_nh_init+0x3d8/0x1580 [ 6019.175480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6019.175480][ T10] ip6_route_add+0x1c/0x140 [ 6019.175480][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6019.175480][ T10] addrconf_add_dev+0xe2/0x170 [ 6019.175480][ T10] inet6_addr_add+0x12f/0xa40 [ 6019.175480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6019.175480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6019.175480][ T10] netlink_rcv_skb+0x130/0x360 [ 6019.175480][ T10] netlink_unicast+0x449/0x710 [ 6019.175480][ T10] netlink_sendmsg+0x723/0xbe0 [ 6019.175480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6019.175480][ T10] ___sys_sendmsg+0xee/0x170 [ 6019.175480][ T10] __sys_sendmsg+0xcd/0x170 [ 6019.175480][ T10] do_syscall_64+0xc6/0x1e0 [ 6019.175480][ T10] [ 6019.177449][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6019.177449][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6019.177449][ T10] ipv6_find_idev+0x102/0x170 [ 6019.177449][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6019.177449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6019.177449][ T10] netlink_rcv_skb+0x130/0x360 [ 6019.177449][ T10] netlink_unicast+0x449/0x710 [ 6019.177449][ T10] netlink_sendmsg+0x723/0xbe0 [ 6019.177449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6019.177449][ T10] ___sys_sendmsg+0xee/0x170 [ 6019.177449][ T10] __sys_sendmsg+0xcd/0x170 [ 6019.177449][ T10] do_syscall_64+0xc6/0x1e0 [ 6019.177449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6019.177449][ T10] [ 6019.179009][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6019.179009][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6019.179009][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6019.179009][ T10] ipv6_find_idev+0x102/0x170 [ 6019.179009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6019.179009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6019.179009][ T10] netlink_rcv_skb+0x130/0x360 [ 6019.179009][ T10] netlink_unicast+0x449/0x710 [ 6019.179009][ T10] netlink_sendmsg+0x723/0xbe0 [ 6019.179009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6019.179009][ T10] ___sys_sendmsg+0xee/0x170 [ 6019.179009][ T10] __sys_sendmsg+0xcd/0x170 [ 6019.179009][ T10] do_syscall_64+0xc6/0x1e0 [ 6019.179009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6019.179009][ T10] [ 6019.180724][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6019.180968][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6019.180968][ T10] netdev_get_by_index+0x5e/0x80 [ 6019.180968][ T10] fib6_nh_init+0x3d8/0x1580 [ 6019.180968][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6019.180968][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6019.180968][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6019.180968][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6019.180968][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6019.180968][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6019.180968][ T10] addrconf_dad_begin+0x310/0x670 [ 6019.180968][ T10] addrconf_dad_work+0x10b/0xab0 [ 6019.180968][ T10] process_one_work+0x84d/0x18a0 [ 6019.180968][ T10] worker_thread+0x587/0xd30 [ 6019.180968][ T10] kthread+0x28a/0x350 [ 6019.180968][ T10] ret_from_fork+0x31/0x70 [ 6019.180968][ T10] ret_from_fork_asm+0x1a/0x30 [ 6019.180968][ T10] [ 6019.182890][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6019.182890][ T10] netdev_get_by_index+0x5e/0x80 [ 6019.182890][ T10] fib6_nh_init+0x3d8/0x1580 [ 6019.182890][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6019.182890][ T10] ip6_route_add+0x1c/0x140 [ 6019.182890][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6019.182890][ T10] inet6_addr_add+0x4f8/0xa40 [ 6019.182890][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6019.182890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6019.182890][ T10] netlink_rcv_skb+0x130/0x360 [ 6019.182890][ T10] netlink_unicast+0x449/0x710 [ 6019.182890][ T10] netlink_sendmsg+0x723/0xbe0 [ 6019.182890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6019.182890][ T10] ___sys_sendmsg+0xee/0x170 [ 6019.182890][ T10] __sys_sendmsg+0xcd/0x170 [ 6019.182890][ T10] do_syscall_64+0xc6/0x1e0 [ 6019.182890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6019.182890][ T10] [ 6019.184902][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6019.184902][ T10] netdev_get_by_index+0x5e/0x80 [ 6019.184902][ T10] fib6_nh_init+0x3d8/0x1580 [ 6019.184902][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6019.184902][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6019.184902][ T10] ipv6_add_addr+0x411/0x2000 [ 6019.184902][ T10] inet6_addr_add+0x30e/0xa40 [ 6019.184902][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6019.184902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6019.184902][ T10] netlink_rcv_skb+0x130/0x360 [ 6019.184902][ T10] netlink_unicast+0x449/0x710 [ 6019.184902][ T10] netlink_sendmsg+0x723/0xbe0 [ 6019.184902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6019.184902][ T10] ___sys_sendmsg+0xee/0x170 [ 6019.184902][ T10] __sys_sendmsg+0xcd/0x170 [ 6019.184902][ T10] do_syscall_64+0xc6/0x1e0 [ 6019.184902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6019.184902][ T10] [ 6019.186901][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6019.186901][ T10] netdev_get_by_index+0x5e/0x80 [ 6019.186901][ T10] fib6_nh_init+0x3d8/0x1580 [ 6019.186901][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6019.186901][ T10] ip6_route_add+0x1c/0x140 [ 6019.186901][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6019.186901][ T10] addrconf_add_dev+0xe2/0x170 [ 6019.186901][ T10] inet6_addr_add+0x12f/0xa40 [ 6019.186901][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6019.186901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6019.186901][ T10] netlink_rcv_skb+0x130/0x360 [ 6019.186901][ T10] netlink_unicast+0x449/0x710 [ 6019.186901][ T10] netlink_sendmsg+0x723/0xbe0 [ 6019.186901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6019.186901][ T10] ___sys_sendmsg+0xee/0x170 [ 6019.186901][ T10] __sys_sendmsg+0xcd/0x170 [ 6019.186901][ T10] do_syscall_64+0xc6/0x1e0 [ 6019.186901][ T10] [ 6019.188870][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6019.188870][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6019.188870][ T10] ipv6_find_idev+0x102/0x170 [ 6019.188870][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6019.188870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6019.188870][ T10] netlink_rcv_skb+0x130/0x360 [ 6019.188870][ T10] netlink_unicast+0x449/0x710 [ 6019.188870][ T10] netlink_sendmsg+0x723/0xbe0 [ 6019.188870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6019.188870][ T10] ___sys_sendmsg+0xee/0x170 [ 6019.188870][ T10] __sys_sendmsg+0xcd/0x170 [ 6019.188870][ T10] do_syscall_64+0xc6/0x1e0 [ 6019.188870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6019.188870][ T10] [ 6019.190415][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6019.190415][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6019.190415][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6019.190415][ T10] ipv6_find_idev+0x102/0x170 [ 6019.190415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6019.190415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6019.190415][ T10] netlink_rcv_skb+0x130/0x360 [ 6019.190415][ T10] netlink_unicast+0x449/0x710 [ 6019.190415][ T10] netlink_sendmsg+0x723/0xbe0 [ 6019.190415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6019.190415][ T10] ___sys_sendmsg+0xee/0x170 [ 6019.190415][ T10] __sys_sendmsg+0xcd/0x170 [ 6019.190415][ T10] do_syscall_64+0xc6/0x1e0 [ 6019.190415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6019.190415][ T10] [ 6019.192104][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6019.192348][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6019.192348][ T10] netdev_get_by_index+0x5e/0x80 [ 6019.192348][ T10] fib6_nh_init+0x3d8/0x1580 [ 6019.192348][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6019.192348][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6019.192348][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6019.192348][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6019.192348][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6019.192348][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6019.192348][ T10] addrconf_dad_begin+0x310/0x670 [ 6019.192348][ T10] addrconf_dad_work+0x10b/0xab0 [ 6019.192348][ T10] process_one_work+0x84d/0x18a0 [ 6019.192348][ T10] worker_thread+0x587/0xd30 [ 6019.192348][ T10] kthread+0x28a/0x350 [ 6019.192348][ T10] ret_from_fork+0x31/0x70 [ 6019.192348][ T10] ret_from_fork_asm+0x1a/0x30 [ 6019.192348][ T10] [ 6019.194257][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6019.194257][ T10] netdev_get_by_index+0x5e/0x80 [ 6019.194257][ T10] fib6_nh_init+0x3d8/0x1580 [ 6019.194257][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6019.194257][ T10] ip6_route_add+0x1c/0x140 [ 6019.194257][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6019.194257][ T10] inet6_addr_add+0x4f8/0xa40 [ 6019.194257][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6019.194257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6019.194257][ T10] netlink_rcv_skb+0x130/0x360 [ 6019.194257][ T10] netlink_unicast+0x449/0x710 [ 6019.194257][ T10] netlink_sendmsg+0x723/0xbe0 [ 6019.194257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6019.194257][ T10] ___sys_sendmsg+0xee/0x170 [ 6019.194257][ T10] __sys_sendmsg+0xcd/0x170 [ 6019.194257][ T10] do_syscall_64+0xc6/0x1e0 [ 6019.194257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6019.194257][ T10] [ 6019.196506][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6019.196506][ T10] netdev_get_by_index+0x5e/0x80 [ 6019.196506][ T10] fib6_nh_init+0x3d8/0x1580 [ 6019.196506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6019.196506][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6019.196506][ T10] ipv6_add_addr+0x411/0x2000 [ 6019.196506][ T10] inet6_addr_add+0x30e/0xa40 [ 6019.196506][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6019.196506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6019.196506][ T10] netlink_rcv_skb+0x130/0x360 [ 6019.196506][ T10] netlink_unicast+0x449/0x710 [ 6019.196506][ T10] netlink_sendmsg+0x723/0xbe0 [ 6019.196506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6019.196506][ T10] ___sys_sendmsg+0xee/0x170 [ 6019.196506][ T10] __sys_sendmsg+0xcd/0x170 [ 6019.196506][ T10] do_syscall_64+0xc6/0x1e0 [ 6019.196506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6019.196506][ T10] [ 6019.198742][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6019.198742][ T10] netdev_get_by_index+0x5e/0x80 [ 6019.198742][ T10] fib6_nh_init+0x3d8/0x1580 [ 6019.198742][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6019.198742][ T10] ip6_route_add+0x1c/0x140 [ 6019.198742][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6019.198742][ T10] addrconf_add_dev+0xe2/0x170 [ 6019.198742][ T10] inet6_addr_add+0x12f/0xa40 [ 6019.198742][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6019.198742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6019.198742][ T10] netlink_rcv_skb+0x130/0x360 [ 6019.198742][ T10] netlink_unicast+0x449/0x710 [ 6019.198742][ T10] netlink_sendmsg+0x723/0xbe0 [ 6019.198742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6019.198742][ T10] ___sys_sendmsg+0xee/0x170 [ 6019.198742][ T10] __sys_sendmsg+0xcd/0x170 [ 6019.198742][ T10] do_syscall_64+0xc6/0x1e0 [ 6019.198742][ T10] [ 6019.200949][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6019.200949][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6019.200949][ T10] ipv6_find_idev+0x102/0x170 [ 6019.200949][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6019.200949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6019.200949][ T10] netlink_rcv_skb+0x130/0x360 [ 6019.200949][ T10] netlink_unicast+0x449/0x710 [ 6019.200949][ T10] netlink_sendmsg+0x723/0xbe0 [ 6019.200949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6019.200949][ T10] ___sys_sendmsg+0xee/0x170 [ 6019.200949][ T10] __sys_sendmsg+0xcd/0x170 [ 6019.200949][ T10] do_syscall_64+0xc6/0x1e0 [ 6019.200949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6019.200949][ T10] [ 6019.202680][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6019.202680][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6019.202680][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6019.202680][ T10] ipv6_find_idev+0x102/0x170 [ 6019.202680][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6019.202680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6019.202680][ T10] netlink_rcv_skb+0x130/0x360 [ 6019.202680][ T10] netlink_unicast+0x449/0x710 [ 6019.202680][ T10] netlink_sendmsg+0x723/0xbe0 [ 6019.202680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6019.202680][ T10] ___sys_sendmsg+0xee/0x170 [ 6019.202680][ T10] __sys_sendmsg+0xcd/0x170 [ 6019.202680][ T10] do_syscall_64+0xc6/0x1e0 [ 6019.202680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6019.202680][ T10] [ 6019.204607][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6019.204844][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6019.204844][ T10] netdev_get_by_index+0x5e/0x80 [ 6019.204844][ T10] fib6_nh_init+0x3d8/0x1580 [ 6019.204844][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6019.204844][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6019.204844][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6019.204844][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6019.204844][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6019.204844][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6019.204844][ T10] addrconf_dad_begin+0x310/0x670 [ 6019.204844][ T10] addrconf_dad_work+0x10b/0xab0 [ 6019.204844][ T10] process_one_work+0x84d/0x18a0 [ 6019.204844][ T10] worker_thread+0x587/0xd30 [ 6019.204844][ T10] kthread+0x28a/0x350 [ 6019.204844][ T10] ret_from_fork+0x31/0x70 [ 6019.204844][ T10] ret_from_fork_asm+0x1a/0x30 [ 6019.204844][ T10] [ 6019.206991][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6019.206991][ T10] netdev_get_by_index+0x5e/0x80 [ 6019.206991][ T10] fib6_nh_init+0x3d8/0x1580 [ 6019.206991][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6019.206991][ T10] ip6_route_add+0x1c/0x140 [ 6019.206991][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6019.206991][ T10] inet6_addr_add+0x4f8/0xa40 [ 6019.206991][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6019.206991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6019.206991][ T10] netlink_rcv_skb+0x130/0x360 [ 6019.206991][ T10] netlink_unicast+0x449/0x710 [ 6019.206991][ T10] netlink_sendmsg+0x723/0xbe0 [ 6019.206991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6019.206991][ T10] ___sys_sendmsg+0xee/0x170 [ 6019.206991][ T10] __sys_sendmsg+0xcd/0x170 [ 6019.206991][ T10] do_syscall_64+0xc6/0x1e0 [ 6019.206991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6019.206991][ T10] [ 6019.209230][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6019.209230][ T10] netdev_get_by_index+0x5e/0x80 [ 6019.209230][ T10] fib6_nh_init+0x3d8/0x1580 [ 6019.209230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6019.209230][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6019.209230][ T10] ipv6_add_addr+0x411/0x2000 [ 6019.209230][ T10] inet6_addr_add+0x30e/0xa40 [ 6019.209230][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6019.209230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6019.209230][ T10] netlink_rcv_skb+0x130/0x360 [ 6019.209230][ T10] netlink_unicast+0x449/0x710 [ 6019.209230][ T10] netlink_sendmsg+0x723/0xbe0 [ 6019.209230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6019.209230][ T10] ___sys_sendmsg+0xee/0x170 [ 6019.209230][ T10] __sys_sendmsg+0xcd/0x170 [ 6019.209230][ T10] do_syscall_64+0xc6/0x1e0 [ 6019.209230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6019.209230][ T10] [ 6019.211473][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6019.211473][ T10] netdev_get_by_index+0x5e/0x80 [ 6019.211473][ T10] fib6_nh_init+0x3d8/0x1580 [ 6019.211473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6019.211473][ T10] ip6_route_add+0x1c/0x140 [ 6019.211473][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6019.211473][ T10] addrconf_add_dev+0xe2/0x170 [ 6019.211473][ T10] inet6_addr_add+0x12f/0xa40 [ 6019.211473][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6019.211473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6019.211473][ T10] netlink_rcv_skb+0x130/0x360 [ 6019.211473][ T10] netlink_unicast+0x449/0x710 [ 6019.211473][ T10] netlink_sendmsg+0x723/0xbe0 [ 6019.211473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6019.211473][ T10] ___sys_sendmsg+0xee/0x170 [ 6019.211473][ T10] __sys_sendmsg+0xcd/0x170 [ 6019.211473][ T10] do_syscall_64+0xc6/0x1e0 [ 6019.211473][ T10] [ 6019.213675][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6019.213675][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6019.213675][ T10] ipv6_find_idev+0x102/0x170 [ 6019.213675][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6019.213675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6019.213675][ T10] netlink_rcv_skb+0x130/0x360 [ 6019.213675][ T10] netlink_unicast+0x449/0x710 [ 6019.213675][ T10] netlink_sendmsg+0x723/0xbe0 [ 6019.213675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6019.213675][ T10] ___sys_sendmsg+0xee/0x170 [ 6019.213675][ T10] __sys_sendmsg+0xcd/0x170 [ 6019.213675][ T10] do_syscall_64+0xc6/0x1e0 [ 6019.213675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6019.213675][ T10] [ 6019.215397][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6019.215397][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6019.215397][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6019.215397][ T10] ipv6_find_idev+0x102/0x170 [ 6019.215397][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6019.215397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6019.215397][ T10] netlink_rcv_skb+0x130/0x360 [ 6019.215397][ T10] netlink_unicast+0x449/0x710 [ 6019.215397][ T10] netlink_sendmsg+0x723/0xbe0 [ 6019.215397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6019.215397][ T10] ___sys_sendmsg+0xee/0x170 [ 6019.215397][ T10] __sys_sendmsg+0xcd/0x170 [ 6019.215397][ T10] do_syscall_64+0xc6/0x1e0 [ 6019.215397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6019.215397][ T10] [ 6029.345132][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6029.345662][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6029.345662][ T1167] dst_init+0x84/0x4a0 [ 6029.345662][ T1167] dst_alloc+0x97/0x150 [ 6029.345662][ T1167] ip6_dst_alloc+0x23/0x90 [ 6029.345662][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6029.345662][ T1167] ip6_pol_route+0x56f/0x840 [ 6029.345662][ T1167] fib6_rule_lookup+0x334/0x630 [ 6029.345662][ T1167] ip6_route_output_flags+0x259/0x480 [ 6029.345662][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6029.345662][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6029.345662][ T1167] netlink_rcv_skb+0x130/0x360 [ 6029.345662][ T1167] netlink_unicast+0x449/0x710 [ 6029.345662][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6029.345662][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6029.345662][ T1167] ___sys_sendmsg+0xee/0x170 [ 6029.345662][ T1167] __sys_sendmsg+0xcd/0x170 [ 6029.345662][ T1167] do_syscall_64+0xc6/0x1e0 [ 6029.345662][ T1167] [ 6029.348129][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6029.348129][ T1167] netdev_get_by_index+0x5e/0x80 [ 6029.348129][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6029.348129][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6029.348129][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6029.348129][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6029.348129][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6029.348129][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6029.348129][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6029.348129][ T1167] addrconf_dad_begin+0x310/0x670 [ 6029.348129][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6029.348129][ T1167] process_one_work+0x84d/0x18a0 [ 6029.348129][ T1167] worker_thread+0x587/0xd30 [ 6029.348129][ T1167] kthread+0x28a/0x350 [ 6029.348129][ T1167] ret_from_fork+0x31/0x70 [ 6029.348129][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6029.348129][ T1167] [ 6029.350507][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6029.350507][ T1167] netdev_get_by_index+0x5e/0x80 [ 6029.350507][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6029.350507][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6029.350507][ T1167] ip6_route_add+0x1c/0x140 [ 6029.350507][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6029.350507][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6029.350507][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6029.350507][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6029.350507][ T1167] netlink_rcv_skb+0x130/0x360 [ 6029.350507][ T1167] netlink_unicast+0x449/0x710 [ 6029.350507][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6029.350507][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6029.350507][ T1167] ___sys_sendmsg+0xee/0x170 [ 6029.350507][ T1167] __sys_sendmsg+0xcd/0x170 [ 6029.350507][ T1167] do_syscall_64+0xc6/0x1e0 [ 6029.350507][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6029.350507][ T1167] [ 6029.352998][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6029.352998][ T1167] netdev_get_by_index+0x5e/0x80 [ 6029.352998][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6029.352998][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6029.352998][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6029.352998][ T1167] ipv6_add_addr+0x411/0x2000 [ 6029.352998][ T1167] inet6_addr_add+0x30e/0xa40 [ 6029.352998][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6029.352998][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6029.352998][ T1167] netlink_rcv_skb+0x130/0x360 [ 6029.352998][ T1167] netlink_unicast+0x449/0x710 [ 6029.352998][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6029.352998][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6029.352998][ T1167] ___sys_sendmsg+0xee/0x170 [ 6029.352998][ T1167] __sys_sendmsg+0xcd/0x170 [ 6029.352998][ T1167] do_syscall_64+0xc6/0x1e0 [ 6029.352998][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6029.352998][ T1167] [ 6029.355475][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6029.355475][ T1167] netdev_get_by_index+0x5e/0x80 [ 6029.355475][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6029.355475][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6029.355475][ T1167] ip6_route_add+0x1c/0x140 [ 6029.355475][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6029.355475][ T1167] addrconf_add_dev+0xe2/0x170 [ 6029.355475][ T1167] inet6_addr_add+0x12f/0xa40 [ 6029.355475][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6029.355475][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6029.355475][ T1167] netlink_rcv_skb+0x130/0x360 [ 6029.355475][ T1167] netlink_unicast+0x449/0x710 [ 6029.355475][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6029.355475][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6029.355475][ T1167] ___sys_sendmsg+0xee/0x170 [ 6029.355475][ T1167] __sys_sendmsg+0xcd/0x170 [ 6029.355475][ T1167] do_syscall_64+0xc6/0x1e0 [ 6029.355475][ T1167] [ 6029.357904][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6029.357904][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6029.357904][ T1167] ipv6_find_idev+0x102/0x170 [ 6029.357904][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6029.357904][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6029.357904][ T1167] netlink_rcv_skb+0x130/0x360 [ 6029.357904][ T1167] netlink_unicast+0x449/0x710 [ 6029.357904][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6029.357904][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6029.357904][ T1167] ___sys_sendmsg+0xee/0x170 [ 6029.357904][ T1167] __sys_sendmsg+0xcd/0x170 [ 6029.357904][ T1167] do_syscall_64+0xc6/0x1e0 [ 6029.357904][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6029.357904][ T1167] [ 6029.359836][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6029.359836][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6029.359836][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6029.359836][ T1167] ipv6_find_idev+0x102/0x170 [ 6029.359836][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6029.359836][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6029.359836][ T1167] netlink_rcv_skb+0x130/0x360 [ 6029.359836][ T1167] netlink_unicast+0x449/0x710 [ 6029.359836][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6029.359836][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6029.359836][ T1167] ___sys_sendmsg+0xee/0x170 [ 6029.359836][ T1167] __sys_sendmsg+0xcd/0x170 [ 6029.359836][ T1167] do_syscall_64+0xc6/0x1e0 [ 6029.359836][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6029.359836][ T1167] [ 6029.473151][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6029.473574][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6029.473574][ T10] netdev_get_by_index+0x5e/0x80 [ 6029.473574][ T10] fib6_nh_init+0x3d8/0x1580 [ 6029.473574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6029.473574][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6029.473574][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6029.473574][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6029.473574][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6029.473574][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6029.473574][ T10] addrconf_dad_begin+0x310/0x670 [ 6029.473574][ T10] addrconf_dad_work+0x10b/0xab0 [ 6029.473574][ T10] process_one_work+0x84d/0x18a0 [ 6029.473574][ T10] worker_thread+0x587/0xd30 [ 6029.473574][ T10] kthread+0x28a/0x350 [ 6029.473574][ T10] ret_from_fork+0x31/0x70 [ 6029.473574][ T10] ret_from_fork_asm+0x1a/0x30 [ 6029.473574][ T10] [ 6029.475508][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6029.475508][ T10] netdev_get_by_index+0x5e/0x80 [ 6029.475508][ T10] fib6_nh_init+0x3d8/0x1580 [ 6029.475508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6029.475508][ T10] ip6_route_add+0x1c/0x140 [ 6029.475508][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6029.475508][ T10] inet6_addr_add+0x4f8/0xa40 [ 6029.475508][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6029.475508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6029.475508][ T10] netlink_rcv_skb+0x130/0x360 [ 6029.475508][ T10] netlink_unicast+0x449/0x710 [ 6029.475508][ T10] netlink_sendmsg+0x723/0xbe0 [ 6029.475508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6029.475508][ T10] ___sys_sendmsg+0xee/0x170 [ 6029.475508][ T10] __sys_sendmsg+0xcd/0x170 [ 6029.475508][ T10] do_syscall_64+0xc6/0x1e0 [ 6029.475508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6029.475508][ T10] [ 6029.477514][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6029.477514][ T10] netdev_get_by_index+0x5e/0x80 [ 6029.477514][ T10] fib6_nh_init+0x3d8/0x1580 [ 6029.477514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6029.477514][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6029.477514][ T10] ipv6_add_addr+0x411/0x2000 [ 6029.477514][ T10] inet6_addr_add+0x30e/0xa40 [ 6029.477514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6029.477514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6029.477514][ T10] netlink_rcv_skb+0x130/0x360 [ 6029.477514][ T10] netlink_unicast+0x449/0x710 [ 6029.477514][ T10] netlink_sendmsg+0x723/0xbe0 [ 6029.477514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6029.477514][ T10] ___sys_sendmsg+0xee/0x170 [ 6029.477514][ T10] __sys_sendmsg+0xcd/0x170 [ 6029.477514][ T10] do_syscall_64+0xc6/0x1e0 [ 6029.477514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6029.477514][ T10] [ 6029.479518][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6029.479518][ T10] netdev_get_by_index+0x5e/0x80 [ 6029.479518][ T10] fib6_nh_init+0x3d8/0x1580 [ 6029.479518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6029.479518][ T10] ip6_route_add+0x1c/0x140 [ 6029.479518][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6029.479518][ T10] addrconf_add_dev+0xe2/0x170 [ 6029.479518][ T10] inet6_addr_add+0x12f/0xa40 [ 6029.479518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6029.479518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6029.479518][ T10] netlink_rcv_skb+0x130/0x360 [ 6029.479518][ T10] netlink_unicast+0x449/0x710 [ 6029.479518][ T10] netlink_sendmsg+0x723/0xbe0 [ 6029.479518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6029.479518][ T10] ___sys_sendmsg+0xee/0x170 [ 6029.479518][ T10] __sys_sendmsg+0xcd/0x170 [ 6029.479518][ T10] do_syscall_64+0xc6/0x1e0 [ 6029.479518][ T10] [ 6029.481487][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6029.481487][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6029.481487][ T10] ipv6_find_idev+0x102/0x170 [ 6029.481487][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6029.481487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6029.481487][ T10] netlink_rcv_skb+0x130/0x360 [ 6029.481487][ T10] netlink_unicast+0x449/0x710 [ 6029.481487][ T10] netlink_sendmsg+0x723/0xbe0 [ 6029.481487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6029.481487][ T10] ___sys_sendmsg+0xee/0x170 [ 6029.481487][ T10] __sys_sendmsg+0xcd/0x170 [ 6029.481487][ T10] do_syscall_64+0xc6/0x1e0 [ 6029.481487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6029.481487][ T10] [ 6029.483029][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6029.483029][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6029.483029][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6029.483029][ T10] ipv6_find_idev+0x102/0x170 [ 6029.483029][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6029.483029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6029.483029][ T10] netlink_rcv_skb+0x130/0x360 [ 6029.483029][ T10] netlink_unicast+0x449/0x710 [ 6029.483029][ T10] netlink_sendmsg+0x723/0xbe0 [ 6029.483029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6029.483029][ T10] ___sys_sendmsg+0xee/0x170 [ 6029.483029][ T10] __sys_sendmsg+0xcd/0x170 [ 6029.483029][ T10] do_syscall_64+0xc6/0x1e0 [ 6029.483029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6029.483029][ T10] [ 6029.484736][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6029.484974][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6029.484974][ T10] netdev_get_by_index+0x5e/0x80 [ 6029.484974][ T10] fib6_nh_init+0x3d8/0x1580 [ 6029.484974][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6029.484974][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6029.484974][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6029.484974][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6029.484974][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6029.484974][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6029.484974][ T10] addrconf_dad_begin+0x310/0x670 [ 6029.484974][ T10] addrconf_dad_work+0x10b/0xab0 [ 6029.484974][ T10] process_one_work+0x84d/0x18a0 [ 6029.484974][ T10] worker_thread+0x587/0xd30 [ 6029.484974][ T10] kthread+0x28a/0x350 [ 6029.484974][ T10] ret_from_fork+0x31/0x70 [ 6029.484974][ T10] ret_from_fork_asm+0x1a/0x30 [ 6029.484974][ T10] [ 6029.486893][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6029.486893][ T10] netdev_get_by_index+0x5e/0x80 [ 6029.486893][ T10] fib6_nh_init+0x3d8/0x1580 [ 6029.486893][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6029.486893][ T10] ip6_route_add+0x1c/0x140 [ 6029.486893][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6029.486893][ T10] inet6_addr_add+0x4f8/0xa40 [ 6029.486893][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6029.486893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6029.486893][ T10] netlink_rcv_skb+0x130/0x360 [ 6029.486893][ T10] netlink_unicast+0x449/0x710 [ 6029.486893][ T10] netlink_sendmsg+0x723/0xbe0 [ 6029.486893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6029.486893][ T10] ___sys_sendmsg+0xee/0x170 [ 6029.486893][ T10] __sys_sendmsg+0xcd/0x170 [ 6029.486893][ T10] do_syscall_64+0xc6/0x1e0 [ 6029.486893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6029.486893][ T10] [ 6029.488899][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6029.488899][ T10] netdev_get_by_index+0x5e/0x80 [ 6029.488899][ T10] fib6_nh_init+0x3d8/0x1580 [ 6029.488899][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6029.488899][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6029.488899][ T10] ipv6_add_addr+0x411/0x2000 [ 6029.488899][ T10] inet6_addr_add+0x30e/0xa40 [ 6029.488899][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6029.488899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6029.488899][ T10] netlink_rcv_skb+0x130/0x360 [ 6029.488899][ T10] netlink_unicast+0x449/0x710 [ 6029.488899][ T10] netlink_sendmsg+0x723/0xbe0 [ 6029.488899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6029.488899][ T10] ___sys_sendmsg+0xee/0x170 [ 6029.488899][ T10] __sys_sendmsg+0xcd/0x170 [ 6029.488899][ T10] do_syscall_64+0xc6/0x1e0 [ 6029.488899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6029.488899][ T10] [ 6029.490908][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6029.490908][ T10] netdev_get_by_index+0x5e/0x80 [ 6029.490908][ T10] fib6_nh_init+0x3d8/0x1580 [ 6029.490908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6029.490908][ T10] ip6_route_add+0x1c/0x140 [ 6029.490908][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6029.490908][ T10] addrconf_add_dev+0xe2/0x170 [ 6029.490908][ T10] inet6_addr_add+0x12f/0xa40 [ 6029.490908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6029.490908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6029.490908][ T10] netlink_rcv_skb+0x130/0x360 [ 6029.490908][ T10] netlink_unicast+0x449/0x710 [ 6029.490908][ T10] netlink_sendmsg+0x723/0xbe0 [ 6029.490908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6029.490908][ T10] ___sys_sendmsg+0xee/0x170 [ 6029.490908][ T10] __sys_sendmsg+0xcd/0x170 [ 6029.490908][ T10] do_syscall_64+0xc6/0x1e0 [ 6029.490908][ T10] [ 6029.492883][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6029.492883][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6029.492883][ T10] ipv6_find_idev+0x102/0x170 [ 6029.492883][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6029.492883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6029.492883][ T10] netlink_rcv_skb+0x130/0x360 [ 6029.492883][ T10] netlink_unicast+0x449/0x710 [ 6029.492883][ T10] netlink_sendmsg+0x723/0xbe0 [ 6029.492883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6029.492883][ T10] ___sys_sendmsg+0xee/0x170 [ 6029.492883][ T10] __sys_sendmsg+0xcd/0x170 [ 6029.492883][ T10] do_syscall_64+0xc6/0x1e0 [ 6029.492883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6029.492883][ T10] [ 6029.494429][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6029.494429][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6029.494429][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6029.494429][ T10] ipv6_find_idev+0x102/0x170 [ 6029.494429][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6029.494429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6029.494429][ T10] netlink_rcv_skb+0x130/0x360 [ 6029.494429][ T10] netlink_unicast+0x449/0x710 [ 6029.494429][ T10] netlink_sendmsg+0x723/0xbe0 [ 6029.494429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6029.494429][ T10] ___sys_sendmsg+0xee/0x170 [ 6029.494429][ T10] __sys_sendmsg+0xcd/0x170 [ 6029.494429][ T10] do_syscall_64+0xc6/0x1e0 [ 6029.494429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6029.494429][ T10] [ 6029.496132][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6029.496376][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6029.496376][ T10] netdev_get_by_index+0x5e/0x80 [ 6029.496376][ T10] fib6_nh_init+0x3d8/0x1580 [ 6029.496376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6029.496376][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6029.496376][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6029.496376][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6029.496376][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6029.496376][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6029.496376][ T10] addrconf_dad_begin+0x310/0x670 [ 6029.496376][ T10] addrconf_dad_work+0x10b/0xab0 [ 6029.496376][ T10] process_one_work+0x84d/0x18a0 [ 6029.496376][ T10] worker_thread+0x587/0xd30 [ 6029.496376][ T10] kthread+0x28a/0x350 [ 6029.496376][ T10] ret_from_fork+0x31/0x70 [ 6029.496376][ T10] ret_from_fork_asm+0x1a/0x30 [ 6029.496376][ T10] [ 6029.498294][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6029.498294][ T10] netdev_get_by_index+0x5e/0x80 [ 6029.498294][ T10] fib6_nh_init+0x3d8/0x1580 [ 6029.498294][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6029.498294][ T10] ip6_route_add+0x1c/0x140 [ 6029.498294][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6029.498294][ T10] inet6_addr_add+0x4f8/0xa40 [ 6029.498294][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6029.498294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6029.498294][ T10] netlink_rcv_skb+0x130/0x360 [ 6029.498294][ T10] netlink_unicast+0x449/0x710 [ 6029.498294][ T10] netlink_sendmsg+0x723/0xbe0 [ 6029.498294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6029.498294][ T10] ___sys_sendmsg+0xee/0x170 [ 6029.498294][ T10] __sys_sendmsg+0xcd/0x170 [ 6029.498294][ T10] do_syscall_64+0xc6/0x1e0 [ 6029.498294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6029.498294][ T10] [ 6029.500617][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6029.500617][ T10] netdev_get_by_index+0x5e/0x80 [ 6029.500617][ T10] fib6_nh_init+0x3d8/0x1580 [ 6029.500617][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6029.500617][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6029.500617][ T10] ipv6_add_addr+0x411/0x2000 [ 6029.500617][ T10] inet6_addr_add+0x30e/0xa40 [ 6029.500617][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6029.500617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6029.500617][ T10] netlink_rcv_skb+0x130/0x360 [ 6029.500617][ T10] netlink_unicast+0x449/0x710 [ 6029.500617][ T10] netlink_sendmsg+0x723/0xbe0 [ 6029.500617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6029.500617][ T10] ___sys_sendmsg+0xee/0x170 [ 6029.500617][ T10] __sys_sendmsg+0xcd/0x170 [ 6029.500617][ T10] do_syscall_64+0xc6/0x1e0 [ 6029.500617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6029.500617][ T10] [ 6029.502866][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6029.502866][ T10] netdev_get_by_index+0x5e/0x80 [ 6029.502866][ T10] fib6_nh_init+0x3d8/0x1580 [ 6029.502866][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6029.502866][ T10] ip6_route_add+0x1c/0x140 [ 6029.502866][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6029.502866][ T10] addrconf_add_dev+0xe2/0x170 [ 6029.502866][ T10] inet6_addr_add+0x12f/0xa40 [ 6029.502866][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6029.502866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6029.502866][ T10] netlink_rcv_skb+0x130/0x360 [ 6029.502866][ T10] netlink_unicast+0x449/0x710 [ 6029.502866][ T10] netlink_sendmsg+0x723/0xbe0 [ 6029.502866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6029.502866][ T10] ___sys_sendmsg+0xee/0x170 [ 6029.502866][ T10] __sys_sendmsg+0xcd/0x170 [ 6029.502866][ T10] do_syscall_64+0xc6/0x1e0 [ 6029.502866][ T10] [ 6029.505078][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6029.505078][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6029.505078][ T10] ipv6_find_idev+0x102/0x170 [ 6029.505078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6029.505078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6029.505078][ T10] netlink_rcv_skb+0x130/0x360 [ 6029.505078][ T10] netlink_unicast+0x449/0x710 [ 6029.505078][ T10] netlink_sendmsg+0x723/0xbe0 [ 6029.505078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6029.505078][ T10] ___sys_sendmsg+0xee/0x170 [ 6029.505078][ T10] __sys_sendmsg+0xcd/0x170 [ 6029.505078][ T10] do_syscall_64+0xc6/0x1e0 [ 6029.505078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6029.505078][ T10] [ 6029.506804][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6029.506804][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6029.506804][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6029.506804][ T10] ipv6_find_idev+0x102/0x170 [ 6029.506804][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6029.506804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6029.506804][ T10] netlink_rcv_skb+0x130/0x360 [ 6029.506804][ T10] netlink_unicast+0x449/0x710 [ 6029.506804][ T10] netlink_sendmsg+0x723/0xbe0 [ 6029.506804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6029.506804][ T10] ___sys_sendmsg+0xee/0x170 [ 6029.506804][ T10] __sys_sendmsg+0xcd/0x170 [ 6029.506804][ T10] do_syscall_64+0xc6/0x1e0 [ 6029.506804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6029.506804][ T10] [ 6029.508677][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6029.508913][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6029.508913][ T10] netdev_get_by_index+0x5e/0x80 [ 6029.508913][ T10] fib6_nh_init+0x3d8/0x1580 [ 6029.508913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6029.508913][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6029.508913][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6029.508913][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6029.508913][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6029.508913][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6029.508913][ T10] addrconf_dad_begin+0x310/0x670 [ 6029.508913][ T10] addrconf_dad_work+0x10b/0xab0 [ 6029.508913][ T10] process_one_work+0x84d/0x18a0 [ 6029.508913][ T10] worker_thread+0x587/0xd30 [ 6029.508913][ T10] kthread+0x28a/0x350 [ 6029.508913][ T10] ret_from_fork+0x31/0x70 [ 6029.508913][ T10] ret_from_fork_asm+0x1a/0x30 [ 6029.508913][ T10] [ 6029.511158][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6029.511158][ T10] netdev_get_by_index+0x5e/0x80 [ 6029.511158][ T10] fib6_nh_init+0x3d8/0x1580 [ 6029.511158][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6029.511158][ T10] ip6_route_add+0x1c/0x140 [ 6029.511158][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6029.511158][ T10] inet6_addr_add+0x4f8/0xa40 [ 6029.511158][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6029.511158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6029.511158][ T10] netlink_rcv_skb+0x130/0x360 [ 6029.511158][ T10] netlink_unicast+0x449/0x710 [ 6029.511158][ T10] netlink_sendmsg+0x723/0xbe0 [ 6029.511158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6029.511158][ T10] ___sys_sendmsg+0xee/0x170 [ 6029.511158][ T10] __sys_sendmsg+0xcd/0x170 [ 6029.511158][ T10] do_syscall_64+0xc6/0x1e0 [ 6029.511158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6029.511158][ T10] [ 6029.513403][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6029.513403][ T10] netdev_get_by_index+0x5e/0x80 [ 6029.513403][ T10] fib6_nh_init+0x3d8/0x1580 [ 6029.513403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6029.513403][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6029.513403][ T10] ipv6_add_addr+0x411/0x2000 [ 6029.513403][ T10] inet6_addr_add+0x30e/0xa40 [ 6029.513403][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6029.513403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6029.513403][ T10] netlink_rcv_skb+0x130/0x360 [ 6029.513403][ T10] netlink_unicast+0x449/0x710 [ 6029.513403][ T10] netlink_sendmsg+0x723/0xbe0 [ 6029.513403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6029.513403][ T10] ___sys_sendmsg+0xee/0x170 [ 6029.513403][ T10] __sys_sendmsg+0xcd/0x170 [ 6029.513403][ T10] do_syscall_64+0xc6/0x1e0 [ 6029.513403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6029.513403][ T10] [ 6029.515654][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6029.515654][ T10] netdev_get_by_index+0x5e/0x80 [ 6029.515654][ T10] fib6_nh_init+0x3d8/0x1580 [ 6029.515654][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6029.515654][ T10] ip6_route_add+0x1c/0x140 [ 6029.515654][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6029.515654][ T10] addrconf_add_dev+0xe2/0x170 [ 6029.515654][ T10] inet6_addr_add+0x12f/0xa40 [ 6029.515654][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6029.515654][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6029.515654][ T10] netlink_rcv_skb+0x130/0x360 [ 6029.515654][ T10] netlink_unicast+0x449/0x710 [ 6029.515654][ T10] netlink_sendmsg+0x723/0xbe0 [ 6029.515654][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6029.515654][ T10] ___sys_sendmsg+0xee/0x170 [ 6029.515654][ T10] __sys_sendmsg+0xcd/0x170 [ 6029.515654][ T10] do_syscall_64+0xc6/0x1e0 [ 6029.515654][ T10] [ 6029.517804][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6029.517804][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6029.517804][ T10] ipv6_find_idev+0x102/0x170 [ 6029.517804][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6029.517804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6029.517804][ T10] netlink_rcv_skb+0x130/0x360 [ 6029.517804][ T10] netlink_unicast+0x449/0x710 [ 6029.517804][ T10] netlink_sendmsg+0x723/0xbe0 [ 6029.517804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6029.517804][ T10] ___sys_sendmsg+0xee/0x170 [ 6029.517804][ T10] __sys_sendmsg+0xcd/0x170 [ 6029.517804][ T10] do_syscall_64+0xc6/0x1e0 [ 6029.517804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6029.517804][ T10] [ 6029.519603][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6029.519603][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6029.519603][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6029.519603][ T10] ipv6_find_idev+0x102/0x170 [ 6029.519603][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6029.519603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6029.519603][ T10] netlink_rcv_skb+0x130/0x360 [ 6029.519603][ T10] netlink_unicast+0x449/0x710 [ 6029.519603][ T10] netlink_sendmsg+0x723/0xbe0 [ 6029.519603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6029.519603][ T10] ___sys_sendmsg+0xee/0x170 [ 6029.519603][ T10] __sys_sendmsg+0xcd/0x170 [ 6029.519603][ T10] do_syscall_64+0xc6/0x1e0 [ 6029.519603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6029.519603][ T10] [ 6039.393110][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6039.393626][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6039.393626][ T1167] dst_init+0x84/0x4a0 [ 6039.393626][ T1167] dst_alloc+0x97/0x150 [ 6039.393626][ T1167] ip6_dst_alloc+0x23/0x90 [ 6039.393626][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6039.393626][ T1167] ip6_pol_route+0x56f/0x840 [ 6039.393626][ T1167] fib6_rule_lookup+0x334/0x630 [ 6039.393626][ T1167] ip6_route_output_flags+0x259/0x480 [ 6039.393626][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6039.393626][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6039.393626][ T1167] netlink_rcv_skb+0x130/0x360 [ 6039.393626][ T1167] netlink_unicast+0x449/0x710 [ 6039.393626][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6039.393626][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6039.393626][ T1167] ___sys_sendmsg+0xee/0x170 [ 6039.393626][ T1167] __sys_sendmsg+0xcd/0x170 [ 6039.393626][ T1167] do_syscall_64+0xc6/0x1e0 [ 6039.393626][ T1167] [ 6039.396128][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6039.396128][ T1167] netdev_get_by_index+0x5e/0x80 [ 6039.396128][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6039.396128][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6039.396128][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6039.396128][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6039.396128][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6039.396128][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6039.396128][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6039.396128][ T1167] addrconf_dad_begin+0x310/0x670 [ 6039.396128][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6039.396128][ T1167] process_one_work+0x84d/0x18a0 [ 6039.396128][ T1167] worker_thread+0x587/0xd30 [ 6039.396128][ T1167] kthread+0x28a/0x350 [ 6039.396128][ T1167] ret_from_fork+0x31/0x70 [ 6039.396128][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6039.396128][ T1167] [ 6039.398506][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6039.398506][ T1167] netdev_get_by_index+0x5e/0x80 [ 6039.398506][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6039.398506][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6039.398506][ T1167] ip6_route_add+0x1c/0x140 [ 6039.398506][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6039.398506][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6039.398506][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6039.398506][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.398506][ T1167] netlink_rcv_skb+0x130/0x360 [ 6039.398506][ T1167] netlink_unicast+0x449/0x710 [ 6039.398506][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6039.398506][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6039.398506][ T1167] ___sys_sendmsg+0xee/0x170 [ 6039.398506][ T1167] __sys_sendmsg+0xcd/0x170 [ 6039.398506][ T1167] do_syscall_64+0xc6/0x1e0 [ 6039.398506][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.398506][ T1167] [ 6039.400999][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6039.400999][ T1167] netdev_get_by_index+0x5e/0x80 [ 6039.400999][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6039.400999][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6039.400999][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6039.400999][ T1167] ipv6_add_addr+0x411/0x2000 [ 6039.400999][ T1167] inet6_addr_add+0x30e/0xa40 [ 6039.400999][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6039.400999][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.400999][ T1167] netlink_rcv_skb+0x130/0x360 [ 6039.400999][ T1167] netlink_unicast+0x449/0x710 [ 6039.400999][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6039.400999][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6039.400999][ T1167] ___sys_sendmsg+0xee/0x170 [ 6039.400999][ T1167] __sys_sendmsg+0xcd/0x170 [ 6039.400999][ T1167] do_syscall_64+0xc6/0x1e0 [ 6039.400999][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.400999][ T1167] [ 6039.403477][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6039.403477][ T1167] netdev_get_by_index+0x5e/0x80 [ 6039.403477][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6039.403477][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6039.403477][ T1167] ip6_route_add+0x1c/0x140 [ 6039.403477][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6039.403477][ T1167] addrconf_add_dev+0xe2/0x170 [ 6039.403477][ T1167] inet6_addr_add+0x12f/0xa40 [ 6039.403477][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6039.403477][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.403477][ T1167] netlink_rcv_skb+0x130/0x360 [ 6039.403477][ T1167] netlink_unicast+0x449/0x710 [ 6039.403477][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6039.403477][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6039.403477][ T1167] ___sys_sendmsg+0xee/0x170 [ 6039.403477][ T1167] __sys_sendmsg+0xcd/0x170 [ 6039.403477][ T1167] do_syscall_64+0xc6/0x1e0 [ 6039.403477][ T1167] [ 6039.405907][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6039.405907][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6039.405907][ T1167] ipv6_find_idev+0x102/0x170 [ 6039.405907][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6039.405907][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.405907][ T1167] netlink_rcv_skb+0x130/0x360 [ 6039.405907][ T1167] netlink_unicast+0x449/0x710 [ 6039.405907][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6039.405907][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6039.405907][ T1167] ___sys_sendmsg+0xee/0x170 [ 6039.405907][ T1167] __sys_sendmsg+0xcd/0x170 [ 6039.405907][ T1167] do_syscall_64+0xc6/0x1e0 [ 6039.405907][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.405907][ T1167] [ 6039.407813][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6039.407813][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6039.407813][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6039.407813][ T1167] ipv6_find_idev+0x102/0x170 [ 6039.407813][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6039.407813][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.407813][ T1167] netlink_rcv_skb+0x130/0x360 [ 6039.407813][ T1167] netlink_unicast+0x449/0x710 [ 6039.407813][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6039.407813][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6039.407813][ T1167] ___sys_sendmsg+0xee/0x170 [ 6039.407813][ T1167] __sys_sendmsg+0xcd/0x170 [ 6039.407813][ T1167] do_syscall_64+0xc6/0x1e0 [ 6039.407813][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.407813][ T1167] [ 6039.777123][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6039.777554][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6039.777554][ T10] netdev_get_by_index+0x5e/0x80 [ 6039.777554][ T10] fib6_nh_init+0x3d8/0x1580 [ 6039.777554][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6039.777554][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6039.777554][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6039.777554][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6039.777554][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6039.777554][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6039.777554][ T10] addrconf_dad_begin+0x310/0x670 [ 6039.777554][ T10] addrconf_dad_work+0x10b/0xab0 [ 6039.777554][ T10] process_one_work+0x84d/0x18a0 [ 6039.777554][ T10] worker_thread+0x587/0xd30 [ 6039.777554][ T10] kthread+0x28a/0x350 [ 6039.777554][ T10] ret_from_fork+0x31/0x70 [ 6039.777554][ T10] ret_from_fork_asm+0x1a/0x30 [ 6039.777554][ T10] [ 6039.779766][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6039.779766][ T10] netdev_get_by_index+0x5e/0x80 [ 6039.779766][ T10] fib6_nh_init+0x3d8/0x1580 [ 6039.779766][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6039.779766][ T10] ip6_route_add+0x1c/0x140 [ 6039.779766][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6039.779766][ T10] inet6_addr_add+0x4f8/0xa40 [ 6039.779766][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6039.779766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.779766][ T10] netlink_rcv_skb+0x130/0x360 [ 6039.779766][ T10] netlink_unicast+0x449/0x710 [ 6039.779766][ T10] netlink_sendmsg+0x723/0xbe0 [ 6039.779766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6039.779766][ T10] ___sys_sendmsg+0xee/0x170 [ 6039.779766][ T10] __sys_sendmsg+0xcd/0x170 [ 6039.779766][ T10] do_syscall_64+0xc6/0x1e0 [ 6039.779766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.779766][ T10] [ 6039.782023][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6039.782023][ T10] netdev_get_by_index+0x5e/0x80 [ 6039.782023][ T10] fib6_nh_init+0x3d8/0x1580 [ 6039.782023][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6039.782023][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6039.782023][ T10] ipv6_add_addr+0x411/0x2000 [ 6039.782023][ T10] inet6_addr_add+0x30e/0xa40 [ 6039.782023][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6039.782023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.782023][ T10] netlink_rcv_skb+0x130/0x360 [ 6039.782023][ T10] netlink_unicast+0x449/0x710 [ 6039.782023][ T10] netlink_sendmsg+0x723/0xbe0 [ 6039.782023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6039.782023][ T10] ___sys_sendmsg+0xee/0x170 [ 6039.782023][ T10] __sys_sendmsg+0xcd/0x170 [ 6039.782023][ T10] do_syscall_64+0xc6/0x1e0 [ 6039.782023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.782023][ T10] [ 6039.784282][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6039.784282][ T10] netdev_get_by_index+0x5e/0x80 [ 6039.784282][ T10] fib6_nh_init+0x3d8/0x1580 [ 6039.784282][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6039.784282][ T10] ip6_route_add+0x1c/0x140 [ 6039.784282][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6039.784282][ T10] addrconf_add_dev+0xe2/0x170 [ 6039.784282][ T10] inet6_addr_add+0x12f/0xa40 [ 6039.784282][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6039.784282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.784282][ T10] netlink_rcv_skb+0x130/0x360 [ 6039.784282][ T10] netlink_unicast+0x449/0x710 [ 6039.784282][ T10] netlink_sendmsg+0x723/0xbe0 [ 6039.784282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6039.784282][ T10] ___sys_sendmsg+0xee/0x170 [ 6039.784282][ T10] __sys_sendmsg+0xcd/0x170 [ 6039.784282][ T10] do_syscall_64+0xc6/0x1e0 [ 6039.784282][ T10] [ 6039.786478][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6039.786478][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6039.786478][ T10] ipv6_find_idev+0x102/0x170 [ 6039.786478][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6039.786478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.786478][ T10] netlink_rcv_skb+0x130/0x360 [ 6039.786478][ T10] netlink_unicast+0x449/0x710 [ 6039.786478][ T10] netlink_sendmsg+0x723/0xbe0 [ 6039.786478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6039.786478][ T10] ___sys_sendmsg+0xee/0x170 [ 6039.786478][ T10] __sys_sendmsg+0xcd/0x170 [ 6039.786478][ T10] do_syscall_64+0xc6/0x1e0 [ 6039.786478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.786478][ T10] [ 6039.788202][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6039.788202][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6039.788202][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6039.788202][ T10] ipv6_find_idev+0x102/0x170 [ 6039.788202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6039.788202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.788202][ T10] netlink_rcv_skb+0x130/0x360 [ 6039.788202][ T10] netlink_unicast+0x449/0x710 [ 6039.788202][ T10] netlink_sendmsg+0x723/0xbe0 [ 6039.788202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6039.788202][ T10] ___sys_sendmsg+0xee/0x170 [ 6039.788202][ T10] __sys_sendmsg+0xcd/0x170 [ 6039.788202][ T10] do_syscall_64+0xc6/0x1e0 [ 6039.788202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.788202][ T10] [ 6039.790107][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6039.790369][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6039.790369][ T10] netdev_get_by_index+0x5e/0x80 [ 6039.790369][ T10] fib6_nh_init+0x3d8/0x1580 [ 6039.790369][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6039.790369][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6039.790369][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6039.790369][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6039.790369][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6039.790369][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6039.790369][ T10] addrconf_dad_begin+0x310/0x670 [ 6039.790369][ T10] addrconf_dad_work+0x10b/0xab0 [ 6039.790369][ T10] process_one_work+0x84d/0x18a0 [ 6039.790369][ T10] worker_thread+0x587/0xd30 [ 6039.790369][ T10] kthread+0x28a/0x350 [ 6039.790369][ T10] ret_from_fork+0x31/0x70 [ 6039.790369][ T10] ret_from_fork_asm+0x1a/0x30 [ 6039.790369][ T10] [ 6039.792529][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6039.792529][ T10] netdev_get_by_index+0x5e/0x80 [ 6039.792529][ T10] fib6_nh_init+0x3d8/0x1580 [ 6039.792529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6039.792529][ T10] ip6_route_add+0x1c/0x140 [ 6039.792529][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6039.792529][ T10] inet6_addr_add+0x4f8/0xa40 [ 6039.792529][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6039.792529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.792529][ T10] netlink_rcv_skb+0x130/0x360 [ 6039.792529][ T10] netlink_unicast+0x449/0x710 [ 6039.792529][ T10] netlink_sendmsg+0x723/0xbe0 [ 6039.792529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6039.792529][ T10] ___sys_sendmsg+0xee/0x170 [ 6039.792529][ T10] __sys_sendmsg+0xcd/0x170 [ 6039.792529][ T10] do_syscall_64+0xc6/0x1e0 [ 6039.792529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.792529][ T10] [ 6039.794774][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6039.794774][ T10] netdev_get_by_index+0x5e/0x80 [ 6039.794774][ T10] fib6_nh_init+0x3d8/0x1580 [ 6039.794774][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6039.794774][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6039.794774][ T10] ipv6_add_addr+0x411/0x2000 [ 6039.794774][ T10] inet6_addr_add+0x30e/0xa40 [ 6039.794774][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6039.794774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.794774][ T10] netlink_rcv_skb+0x130/0x360 [ 6039.794774][ T10] netlink_unicast+0x449/0x710 [ 6039.794774][ T10] netlink_sendmsg+0x723/0xbe0 [ 6039.794774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6039.794774][ T10] ___sys_sendmsg+0xee/0x170 [ 6039.794774][ T10] __sys_sendmsg+0xcd/0x170 [ 6039.794774][ T10] do_syscall_64+0xc6/0x1e0 [ 6039.794774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.794774][ T10] [ 6039.797048][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6039.797048][ T10] netdev_get_by_index+0x5e/0x80 [ 6039.797048][ T10] fib6_nh_init+0x3d8/0x1580 [ 6039.797048][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6039.797048][ T10] ip6_route_add+0x1c/0x140 [ 6039.797048][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6039.797048][ T10] addrconf_add_dev+0xe2/0x170 [ 6039.797048][ T10] inet6_addr_add+0x12f/0xa40 [ 6039.797048][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6039.797048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.797048][ T10] netlink_rcv_skb+0x130/0x360 [ 6039.797048][ T10] netlink_unicast+0x449/0x710 [ 6039.797048][ T10] netlink_sendmsg+0x723/0xbe0 [ 6039.797048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6039.797048][ T10] ___sys_sendmsg+0xee/0x170 [ 6039.797048][ T10] __sys_sendmsg+0xcd/0x170 [ 6039.797048][ T10] do_syscall_64+0xc6/0x1e0 [ 6039.797048][ T10] [ 6039.799240][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6039.799240][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6039.799240][ T10] ipv6_find_idev+0x102/0x170 [ 6039.799240][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6039.799240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.799240][ T10] netlink_rcv_skb+0x130/0x360 [ 6039.799240][ T10] netlink_unicast+0x449/0x710 [ 6039.799240][ T10] netlink_sendmsg+0x723/0xbe0 [ 6039.799240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6039.799240][ T10] ___sys_sendmsg+0xee/0x170 [ 6039.799240][ T10] __sys_sendmsg+0xcd/0x170 [ 6039.799240][ T10] do_syscall_64+0xc6/0x1e0 [ 6039.799240][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.799240][ T10] [ 6039.800971][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6039.800971][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6039.800971][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6039.800971][ T10] ipv6_find_idev+0x102/0x170 [ 6039.800971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6039.800971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.800971][ T10] netlink_rcv_skb+0x130/0x360 [ 6039.800971][ T10] netlink_unicast+0x449/0x710 [ 6039.800971][ T10] netlink_sendmsg+0x723/0xbe0 [ 6039.800971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6039.800971][ T10] ___sys_sendmsg+0xee/0x170 [ 6039.800971][ T10] __sys_sendmsg+0xcd/0x170 [ 6039.800971][ T10] do_syscall_64+0xc6/0x1e0 [ 6039.800971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.800971][ T10] [ 6039.802865][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6039.803132][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6039.803132][ T10] netdev_get_by_index+0x5e/0x80 [ 6039.803132][ T10] fib6_nh_init+0x3d8/0x1580 [ 6039.803132][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6039.803132][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6039.803132][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6039.803132][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6039.803132][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6039.803132][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6039.803132][ T10] addrconf_dad_begin+0x310/0x670 [ 6039.803132][ T10] addrconf_dad_work+0x10b/0xab0 [ 6039.803132][ T10] process_one_work+0x84d/0x18a0 [ 6039.803132][ T10] worker_thread+0x587/0xd30 [ 6039.803132][ T10] kthread+0x28a/0x350 [ 6039.803132][ T10] ret_from_fork+0x31/0x70 [ 6039.803132][ T10] ret_from_fork_asm+0x1a/0x30 [ 6039.803132][ T10] [ 6039.805278][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6039.805278][ T10] netdev_get_by_index+0x5e/0x80 [ 6039.805278][ T10] fib6_nh_init+0x3d8/0x1580 [ 6039.805278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6039.805278][ T10] ip6_route_add+0x1c/0x140 [ 6039.805278][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6039.805278][ T10] inet6_addr_add+0x4f8/0xa40 [ 6039.805278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6039.805278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.805278][ T10] netlink_rcv_skb+0x130/0x360 [ 6039.805278][ T10] netlink_unicast+0x449/0x710 [ 6039.805278][ T10] netlink_sendmsg+0x723/0xbe0 [ 6039.805278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6039.805278][ T10] ___sys_sendmsg+0xee/0x170 [ 6039.805278][ T10] __sys_sendmsg+0xcd/0x170 [ 6039.805278][ T10] do_syscall_64+0xc6/0x1e0 [ 6039.805278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.805278][ T10] [ 6039.807716][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6039.807716][ T10] netdev_get_by_index+0x5e/0x80 [ 6039.807716][ T10] fib6_nh_init+0x3d8/0x1580 [ 6039.807716][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6039.807716][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6039.807716][ T10] ipv6_add_addr+0x411/0x2000 [ 6039.807716][ T10] inet6_addr_add+0x30e/0xa40 [ 6039.807716][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6039.807716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.807716][ T10] netlink_rcv_skb+0x130/0x360 [ 6039.807716][ T10] netlink_unicast+0x449/0x710 [ 6039.807716][ T10] netlink_sendmsg+0x723/0xbe0 [ 6039.807716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6039.807716][ T10] ___sys_sendmsg+0xee/0x170 [ 6039.807716][ T10] __sys_sendmsg+0xcd/0x170 [ 6039.807716][ T10] do_syscall_64+0xc6/0x1e0 [ 6039.807716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.807716][ T10] [ 6039.810294][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6039.810294][ T10] netdev_get_by_index+0x5e/0x80 [ 6039.810294][ T10] fib6_nh_init+0x3d8/0x1580 [ 6039.810294][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6039.810294][ T10] ip6_route_add+0x1c/0x140 [ 6039.810294][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6039.810294][ T10] addrconf_add_dev+0xe2/0x170 [ 6039.810294][ T10] inet6_addr_add+0x12f/0xa40 [ 6039.810294][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6039.810294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.810294][ T10] netlink_rcv_skb+0x130/0x360 [ 6039.810294][ T10] netlink_unicast+0x449/0x710 [ 6039.810294][ T10] netlink_sendmsg+0x723/0xbe0 [ 6039.810294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6039.810294][ T10] ___sys_sendmsg+0xee/0x170 [ 6039.810294][ T10] __sys_sendmsg+0xcd/0x170 [ 6039.810294][ T10] do_syscall_64+0xc6/0x1e0 [ 6039.810294][ T10] [ 6039.812681][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6039.812681][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6039.812681][ T10] ipv6_find_idev+0x102/0x170 [ 6039.812681][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6039.812681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.812681][ T10] netlink_rcv_skb+0x130/0x360 [ 6039.812681][ T10] netlink_unicast+0x449/0x710 [ 6039.812681][ T10] netlink_sendmsg+0x723/0xbe0 [ 6039.812681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6039.812681][ T10] ___sys_sendmsg+0xee/0x170 [ 6039.812681][ T10] __sys_sendmsg+0xcd/0x170 [ 6039.812681][ T10] do_syscall_64+0xc6/0x1e0 [ 6039.812681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.812681][ T10] [ 6039.814611][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6039.814611][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6039.814611][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6039.814611][ T10] ipv6_find_idev+0x102/0x170 [ 6039.814611][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6039.814611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.814611][ T10] netlink_rcv_skb+0x130/0x360 [ 6039.814611][ T10] netlink_unicast+0x449/0x710 [ 6039.814611][ T10] netlink_sendmsg+0x723/0xbe0 [ 6039.814611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6039.814611][ T10] ___sys_sendmsg+0xee/0x170 [ 6039.814611][ T10] __sys_sendmsg+0xcd/0x170 [ 6039.814611][ T10] do_syscall_64+0xc6/0x1e0 [ 6039.814611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.814611][ T10] [ 6039.816669][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6039.816941][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6039.816941][ T10] netdev_get_by_index+0x5e/0x80 [ 6039.816941][ T10] fib6_nh_init+0x3d8/0x1580 [ 6039.816941][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6039.816941][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6039.816941][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6039.816941][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6039.816941][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6039.816941][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6039.816941][ T10] addrconf_dad_begin+0x310/0x670 [ 6039.816941][ T10] addrconf_dad_work+0x10b/0xab0 [ 6039.816941][ T10] process_one_work+0x84d/0x18a0 [ 6039.816941][ T10] worker_thread+0x587/0xd30 [ 6039.816941][ T10] kthread+0x28a/0x350 [ 6039.816941][ T10] ret_from_fork+0x31/0x70 [ 6039.816941][ T10] ret_from_fork_asm+0x1a/0x30 [ 6039.816941][ T10] [ 6039.819396][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6039.819396][ T10] netdev_get_by_index+0x5e/0x80 [ 6039.819396][ T10] fib6_nh_init+0x3d8/0x1580 [ 6039.819396][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6039.819396][ T10] ip6_route_add+0x1c/0x140 [ 6039.819396][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6039.819396][ T10] inet6_addr_add+0x4f8/0xa40 [ 6039.819396][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6039.819396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.819396][ T10] netlink_rcv_skb+0x130/0x360 [ 6039.819396][ T10] netlink_unicast+0x449/0x710 [ 6039.819396][ T10] netlink_sendmsg+0x723/0xbe0 [ 6039.819396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6039.819396][ T10] ___sys_sendmsg+0xee/0x170 [ 6039.819396][ T10] __sys_sendmsg+0xcd/0x170 [ 6039.819396][ T10] do_syscall_64+0xc6/0x1e0 [ 6039.819396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.819396][ T10] [ 6039.821834][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6039.821834][ T10] netdev_get_by_index+0x5e/0x80 [ 6039.821834][ T10] fib6_nh_init+0x3d8/0x1580 [ 6039.821834][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6039.821834][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6039.821834][ T10] ipv6_add_addr+0x411/0x2000 [ 6039.821834][ T10] inet6_addr_add+0x30e/0xa40 [ 6039.821834][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6039.821834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.821834][ T10] netlink_rcv_skb+0x130/0x360 [ 6039.821834][ T10] netlink_unicast+0x449/0x710 [ 6039.821834][ T10] netlink_sendmsg+0x723/0xbe0 [ 6039.821834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6039.821834][ T10] ___sys_sendmsg+0xee/0x170 [ 6039.821834][ T10] __sys_sendmsg+0xcd/0x170 [ 6039.821834][ T10] do_syscall_64+0xc6/0x1e0 [ 6039.821834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.821834][ T10] [ 6039.824328][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6039.824328][ T10] netdev_get_by_index+0x5e/0x80 [ 6039.824328][ T10] fib6_nh_init+0x3d8/0x1580 [ 6039.824328][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6039.824328][ T10] ip6_route_add+0x1c/0x140 [ 6039.824328][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6039.824328][ T10] addrconf_add_dev+0xe2/0x170 [ 6039.824328][ T10] inet6_addr_add+0x12f/0xa40 [ 6039.824328][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6039.824328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.824328][ T10] netlink_rcv_skb+0x130/0x360 [ 6039.824328][ T10] netlink_unicast+0x449/0x710 [ 6039.824328][ T10] netlink_sendmsg+0x723/0xbe0 [ 6039.824328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6039.824328][ T10] ___sys_sendmsg+0xee/0x170 [ 6039.824328][ T10] __sys_sendmsg+0xcd/0x170 [ 6039.824328][ T10] do_syscall_64+0xc6/0x1e0 [ 6039.824328][ T10] [ 6039.826781][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6039.826781][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6039.826781][ T10] ipv6_find_idev+0x102/0x170 [ 6039.826781][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6039.826781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.826781][ T10] netlink_rcv_skb+0x130/0x360 [ 6039.826781][ T10] netlink_unicast+0x449/0x710 [ 6039.826781][ T10] netlink_sendmsg+0x723/0xbe0 [ 6039.826781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6039.826781][ T10] ___sys_sendmsg+0xee/0x170 [ 6039.826781][ T10] __sys_sendmsg+0xcd/0x170 [ 6039.826781][ T10] do_syscall_64+0xc6/0x1e0 [ 6039.826781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.826781][ T10] [ 6039.828644][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6039.828644][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6039.828644][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6039.828644][ T10] ipv6_find_idev+0x102/0x170 [ 6039.828644][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6039.828644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6039.828644][ T10] netlink_rcv_skb+0x130/0x360 [ 6039.828644][ T10] netlink_unicast+0x449/0x710 [ 6039.828644][ T10] netlink_sendmsg+0x723/0xbe0 [ 6039.828644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6039.828644][ T10] ___sys_sendmsg+0xee/0x170 [ 6039.828644][ T10] __sys_sendmsg+0xcd/0x170 [ 6039.828644][ T10] do_syscall_64+0xc6/0x1e0 [ 6039.828644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6039.828644][ T10] [ 6049.849146][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6049.849161][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6049.849701][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6049.849701][ T1167] dst_init+0x84/0x4a0 [ 6049.849701][ T1167] dst_alloc+0x97/0x150 [ 6049.849701][ T1167] ip6_dst_alloc+0x23/0x90 [ 6049.849701][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6049.849701][ T1167] ip6_pol_route+0x56f/0x840 [ 6049.849701][ T1167] fib6_rule_lookup+0x334/0x630 [ 6049.849701][ T1167] ip6_route_output_flags+0x259/0x480 [ 6049.849701][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6049.849701][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6049.849701][ T1167] netlink_rcv_skb+0x130/0x360 [ 6049.849701][ T1167] netlink_unicast+0x449/0x710 [ 6049.849701][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6049.849701][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6049.849701][ T1167] ___sys_sendmsg+0xee/0x170 [ 6049.849701][ T1167] __sys_sendmsg+0xcd/0x170 [ 6049.849701][ T1167] do_syscall_64+0xc6/0x1e0 [ 6049.849701][ T1167] [ 6049.849954][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6049.849954][ T10] netdev_get_by_index+0x5e/0x80 [ 6049.849954][ T10] fib6_nh_init+0x3d8/0x1580 [ 6049.849954][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6049.849954][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6049.849954][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6049.849954][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6049.849954][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6049.849954][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6049.849954][ T10] addrconf_dad_begin+0x310/0x670 [ 6049.849954][ T10] addrconf_dad_work+0x10b/0xab0 [ 6049.849954][ T10] process_one_work+0x84d/0x18a0 [ 6049.849954][ T10] worker_thread+0x587/0xd30 [ 6049.849954][ T10] kthread+0x28a/0x350 [ 6049.849954][ T10] ret_from_fork+0x31/0x70 [ 6049.849954][ T10] ret_from_fork_asm+0x1a/0x30 [ 6049.849954][ T10] [ 6049.852310][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6049.852310][ T1167] netdev_get_by_index+0x5e/0x80 [ 6049.852310][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6049.852310][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6049.852310][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6049.852310][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6049.852310][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6049.852310][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6049.852310][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6049.852310][ T1167] addrconf_dad_begin+0x310/0x670 [ 6049.852310][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6049.852310][ T1167] process_one_work+0x84d/0x18a0 [ 6049.852310][ T1167] worker_thread+0x587/0xd30 [ 6049.852310][ T1167] kthread+0x28a/0x350 [ 6049.852310][ T1167] ret_from_fork+0x31/0x70 [ 6049.852310][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6049.852310][ T1167] [ 6049.854230][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6049.854230][ T10] netdev_get_by_index+0x5e/0x80 [ 6049.854230][ T10] fib6_nh_init+0x3d8/0x1580 [ 6049.854230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6049.854230][ T10] ip6_route_add+0x1c/0x140 [ 6049.854230][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6049.854230][ T10] inet6_addr_add+0x4f8/0xa40 [ 6049.854230][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6049.854230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.854230][ T10] netlink_rcv_skb+0x130/0x360 [ 6049.854230][ T10] netlink_unicast+0x449/0x710 [ 6049.854230][ T10] netlink_sendmsg+0x723/0xbe0 [ 6049.854230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6049.854230][ T10] ___sys_sendmsg+0xee/0x170 [ 6049.854230][ T10] __sys_sendmsg+0xcd/0x170 [ 6049.854230][ T10] do_syscall_64+0xc6/0x1e0 [ 6049.854230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.854230][ T10] [ 6049.856571][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6049.856571][ T1167] netdev_get_by_index+0x5e/0x80 [ 6049.856571][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6049.856571][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6049.856571][ T1167] ip6_route_add+0x1c/0x140 [ 6049.856571][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6049.856571][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6049.856571][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6049.856571][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.856571][ T1167] netlink_rcv_skb+0x130/0x360 [ 6049.856571][ T1167] netlink_unicast+0x449/0x710 [ 6049.856571][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6049.856571][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6049.856571][ T1167] ___sys_sendmsg+0xee/0x170 [ 6049.856571][ T1167] __sys_sendmsg+0xcd/0x170 [ 6049.856571][ T1167] do_syscall_64+0xc6/0x1e0 [ 6049.856571][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.856571][ T1167] [ 6049.858567][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6049.858567][ T10] netdev_get_by_index+0x5e/0x80 [ 6049.858567][ T10] fib6_nh_init+0x3d8/0x1580 [ 6049.858567][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6049.858567][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6049.858567][ T10] ipv6_add_addr+0x411/0x2000 [ 6049.858567][ T10] inet6_addr_add+0x30e/0xa40 [ 6049.858567][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6049.858567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.858567][ T10] netlink_rcv_skb+0x130/0x360 [ 6049.858567][ T10] netlink_unicast+0x449/0x710 [ 6049.858567][ T10] netlink_sendmsg+0x723/0xbe0 [ 6049.858567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6049.858567][ T10] ___sys_sendmsg+0xee/0x170 [ 6049.858567][ T10] __sys_sendmsg+0xcd/0x170 [ 6049.858567][ T10] do_syscall_64+0xc6/0x1e0 [ 6049.858567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.858567][ T10] [ 6049.861056][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6049.861056][ T1167] netdev_get_by_index+0x5e/0x80 [ 6049.861056][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6049.861056][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6049.861056][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6049.861056][ T1167] ipv6_add_addr+0x411/0x2000 [ 6049.861056][ T1167] inet6_addr_add+0x30e/0xa40 [ 6049.861056][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6049.861056][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.861056][ T1167] netlink_rcv_skb+0x130/0x360 [ 6049.861056][ T1167] netlink_unicast+0x449/0x710 [ 6049.861056][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6049.861056][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6049.861056][ T1167] ___sys_sendmsg+0xee/0x170 [ 6049.861056][ T1167] __sys_sendmsg+0xcd/0x170 [ 6049.861056][ T1167] do_syscall_64+0xc6/0x1e0 [ 6049.861056][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.861056][ T1167] [ 6049.863076][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6049.863076][ T10] netdev_get_by_index+0x5e/0x80 [ 6049.863076][ T10] fib6_nh_init+0x3d8/0x1580 [ 6049.863076][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6049.863076][ T10] ip6_route_add+0x1c/0x140 [ 6049.863076][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6049.863076][ T10] addrconf_add_dev+0xe2/0x170 [ 6049.863076][ T10] inet6_addr_add+0x12f/0xa40 [ 6049.863076][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6049.863076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.863076][ T10] netlink_rcv_skb+0x130/0x360 [ 6049.863076][ T10] netlink_unicast+0x449/0x710 [ 6049.863076][ T10] netlink_sendmsg+0x723/0xbe0 [ 6049.863076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6049.863076][ T10] ___sys_sendmsg+0xee/0x170 [ 6049.863076][ T10] __sys_sendmsg+0xcd/0x170 [ 6049.863076][ T10] do_syscall_64+0xc6/0x1e0 [ 6049.863076][ T10] [ 6049.865532][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6049.865532][ T1167] netdev_get_by_index+0x5e/0x80 [ 6049.865532][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6049.865532][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6049.865532][ T1167] ip6_route_add+0x1c/0x140 [ 6049.865532][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6049.865532][ T1167] addrconf_add_dev+0xe2/0x170 [ 6049.865532][ T1167] inet6_addr_add+0x12f/0xa40 [ 6049.865532][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6049.865532][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.865532][ T1167] netlink_rcv_skb+0x130/0x360 [ 6049.865532][ T1167] netlink_unicast+0x449/0x710 [ 6049.865532][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6049.865532][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6049.865532][ T1167] ___sys_sendmsg+0xee/0x170 [ 6049.865532][ T1167] __sys_sendmsg+0xcd/0x170 [ 6049.865532][ T1167] do_syscall_64+0xc6/0x1e0 [ 6049.865532][ T1167] [ 6049.867498][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6049.867498][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6049.867498][ T10] ipv6_find_idev+0x102/0x170 [ 6049.867498][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6049.867498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.867498][ T10] netlink_rcv_skb+0x130/0x360 [ 6049.867498][ T10] netlink_unicast+0x449/0x710 [ 6049.867498][ T10] netlink_sendmsg+0x723/0xbe0 [ 6049.867498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6049.867498][ T10] ___sys_sendmsg+0xee/0x170 [ 6049.867498][ T10] __sys_sendmsg+0xcd/0x170 [ 6049.867498][ T10] do_syscall_64+0xc6/0x1e0 [ 6049.867498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.867498][ T10] [ 6049.869942][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6049.869942][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6049.869942][ T1167] ipv6_find_idev+0x102/0x170 [ 6049.869942][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6049.869942][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.869942][ T1167] netlink_rcv_skb+0x130/0x360 [ 6049.869942][ T1167] netlink_unicast+0x449/0x710 [ 6049.869942][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6049.869942][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6049.869942][ T1167] ___sys_sendmsg+0xee/0x170 [ 6049.869942][ T1167] __sys_sendmsg+0xcd/0x170 [ 6049.869942][ T1167] do_syscall_64+0xc6/0x1e0 [ 6049.869942][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.869942][ T1167] [ 6049.871488][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6049.871488][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6049.871488][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6049.871488][ T10] ipv6_find_idev+0x102/0x170 [ 6049.871488][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6049.871488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.871488][ T10] netlink_rcv_skb+0x130/0x360 [ 6049.871488][ T10] netlink_unicast+0x449/0x710 [ 6049.871488][ T10] netlink_sendmsg+0x723/0xbe0 [ 6049.871488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6049.871488][ T10] ___sys_sendmsg+0xee/0x170 [ 6049.871488][ T10] __sys_sendmsg+0xcd/0x170 [ 6049.871488][ T10] do_syscall_64+0xc6/0x1e0 [ 6049.871488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.871488][ T10] [ 6049.873389][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6049.873389][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6049.873389][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6049.873389][ T1167] ipv6_find_idev+0x102/0x170 [ 6049.873389][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6049.873389][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.873389][ T1167] netlink_rcv_skb+0x130/0x360 [ 6049.873389][ T1167] netlink_unicast+0x449/0x710 [ 6049.873389][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6049.873389][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6049.873389][ T1167] ___sys_sendmsg+0xee/0x170 [ 6049.873389][ T1167] __sys_sendmsg+0xcd/0x170 [ 6049.873389][ T1167] do_syscall_64+0xc6/0x1e0 [ 6049.873389][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.873389][ T1167] [ 6049.875089][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6049.877966][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6049.877966][ T10] netdev_get_by_index+0x5e/0x80 [ 6049.877966][ T10] fib6_nh_init+0x3d8/0x1580 [ 6049.877966][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6049.877966][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6049.877966][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6049.877966][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6049.877966][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6049.877966][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6049.877966][ T10] addrconf_dad_begin+0x310/0x670 [ 6049.877966][ T10] addrconf_dad_work+0x10b/0xab0 [ 6049.877966][ T10] process_one_work+0x84d/0x18a0 [ 6049.877966][ T10] worker_thread+0x587/0xd30 [ 6049.877966][ T10] kthread+0x28a/0x350 [ 6049.877966][ T10] ret_from_fork+0x31/0x70 [ 6049.877966][ T10] ret_from_fork_asm+0x1a/0x30 [ 6049.877966][ T10] [ 6049.879897][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6049.879897][ T10] netdev_get_by_index+0x5e/0x80 [ 6049.879897][ T10] fib6_nh_init+0x3d8/0x1580 [ 6049.879897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6049.879897][ T10] ip6_route_add+0x1c/0x140 [ 6049.879897][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6049.879897][ T10] inet6_addr_add+0x4f8/0xa40 [ 6049.879897][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6049.879897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.879897][ T10] netlink_rcv_skb+0x130/0x360 [ 6049.879897][ T10] netlink_unicast+0x449/0x710 [ 6049.879897][ T10] netlink_sendmsg+0x723/0xbe0 [ 6049.879897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6049.879897][ T10] ___sys_sendmsg+0xee/0x170 [ 6049.879897][ T10] __sys_sendmsg+0xcd/0x170 [ 6049.879897][ T10] do_syscall_64+0xc6/0x1e0 [ 6049.879897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.879897][ T10] [ 6049.882166][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6049.882166][ T10] netdev_get_by_index+0x5e/0x80 [ 6049.882166][ T10] fib6_nh_init+0x3d8/0x1580 [ 6049.882166][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6049.882166][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6049.882166][ T10] ipv6_add_addr+0x411/0x2000 [ 6049.882166][ T10] inet6_addr_add+0x30e/0xa40 [ 6049.882166][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6049.882166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.882166][ T10] netlink_rcv_skb+0x130/0x360 [ 6049.882166][ T10] netlink_unicast+0x449/0x710 [ 6049.882166][ T10] netlink_sendmsg+0x723/0xbe0 [ 6049.882166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6049.882166][ T10] ___sys_sendmsg+0xee/0x170 [ 6049.882166][ T10] __sys_sendmsg+0xcd/0x170 [ 6049.882166][ T10] do_syscall_64+0xc6/0x1e0 [ 6049.882166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.882166][ T10] [ 6049.884423][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6049.884423][ T10] netdev_get_by_index+0x5e/0x80 [ 6049.884423][ T10] fib6_nh_init+0x3d8/0x1580 [ 6049.884423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6049.884423][ T10] ip6_route_add+0x1c/0x140 [ 6049.884423][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6049.884423][ T10] addrconf_add_dev+0xe2/0x170 [ 6049.884423][ T10] inet6_addr_add+0x12f/0xa40 [ 6049.884423][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6049.884423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.884423][ T10] netlink_rcv_skb+0x130/0x360 [ 6049.884423][ T10] netlink_unicast+0x449/0x710 [ 6049.884423][ T10] netlink_sendmsg+0x723/0xbe0 [ 6049.884423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6049.884423][ T10] ___sys_sendmsg+0xee/0x170 [ 6049.884423][ T10] __sys_sendmsg+0xcd/0x170 [ 6049.884423][ T10] do_syscall_64+0xc6/0x1e0 [ 6049.884423][ T10] [ 6049.886631][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6049.886631][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6049.886631][ T10] ipv6_find_idev+0x102/0x170 [ 6049.886631][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6049.886631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.886631][ T10] netlink_rcv_skb+0x130/0x360 [ 6049.886631][ T10] netlink_unicast+0x449/0x710 [ 6049.886631][ T10] netlink_sendmsg+0x723/0xbe0 [ 6049.886631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6049.886631][ T10] ___sys_sendmsg+0xee/0x170 [ 6049.886631][ T10] __sys_sendmsg+0xcd/0x170 [ 6049.886631][ T10] do_syscall_64+0xc6/0x1e0 [ 6049.886631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.886631][ T10] [ 6049.888254][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6049.888254][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6049.888254][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6049.888254][ T10] ipv6_find_idev+0x102/0x170 [ 6049.888254][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6049.888254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.888254][ T10] netlink_rcv_skb+0x130/0x360 [ 6049.888254][ T10] netlink_unicast+0x449/0x710 [ 6049.888254][ T10] netlink_sendmsg+0x723/0xbe0 [ 6049.888254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6049.888254][ T10] ___sys_sendmsg+0xee/0x170 [ 6049.888254][ T10] __sys_sendmsg+0xcd/0x170 [ 6049.888254][ T10] do_syscall_64+0xc6/0x1e0 [ 6049.888254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.888254][ T10] [ 6049.890154][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6049.890395][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6049.890395][ T10] netdev_get_by_index+0x5e/0x80 [ 6049.890395][ T10] fib6_nh_init+0x3d8/0x1580 [ 6049.890395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6049.890395][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6049.890395][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6049.890395][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6049.890395][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6049.890395][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6049.890395][ T10] addrconf_dad_begin+0x310/0x670 [ 6049.890395][ T10] addrconf_dad_work+0x10b/0xab0 [ 6049.890395][ T10] process_one_work+0x84d/0x18a0 [ 6049.890395][ T10] worker_thread+0x587/0xd30 [ 6049.890395][ T10] kthread+0x28a/0x350 [ 6049.890395][ T10] ret_from_fork+0x31/0x70 [ 6049.890395][ T10] ret_from_fork_asm+0x1a/0x30 [ 6049.890395][ T10] [ 6049.892599][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6049.892599][ T10] netdev_get_by_index+0x5e/0x80 [ 6049.892599][ T10] fib6_nh_init+0x3d8/0x1580 [ 6049.892599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6049.892599][ T10] ip6_route_add+0x1c/0x140 [ 6049.892599][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6049.892599][ T10] inet6_addr_add+0x4f8/0xa40 [ 6049.892599][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6049.892599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.892599][ T10] netlink_rcv_skb+0x130/0x360 [ 6049.892599][ T10] netlink_unicast+0x449/0x710 [ 6049.892599][ T10] netlink_sendmsg+0x723/0xbe0 [ 6049.892599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6049.892599][ T10] ___sys_sendmsg+0xee/0x170 [ 6049.892599][ T10] __sys_sendmsg+0xcd/0x170 [ 6049.892599][ T10] do_syscall_64+0xc6/0x1e0 [ 6049.892599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.892599][ T10] [ 6049.894798][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6049.894798][ T10] netdev_get_by_index+0x5e/0x80 [ 6049.894798][ T10] fib6_nh_init+0x3d8/0x1580 [ 6049.894798][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6049.894798][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6049.894798][ T10] ipv6_add_addr+0x411/0x2000 [ 6049.894798][ T10] inet6_addr_add+0x30e/0xa40 [ 6049.894798][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6049.894798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.894798][ T10] netlink_rcv_skb+0x130/0x360 [ 6049.894798][ T10] netlink_unicast+0x449/0x710 [ 6049.894798][ T10] netlink_sendmsg+0x723/0xbe0 [ 6049.894798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6049.894798][ T10] ___sys_sendmsg+0xee/0x170 [ 6049.894798][ T10] __sys_sendmsg+0xcd/0x170 [ 6049.894798][ T10] do_syscall_64+0xc6/0x1e0 [ 6049.894798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.894798][ T10] [ 6049.896984][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6049.896984][ T10] netdev_get_by_index+0x5e/0x80 [ 6049.896984][ T10] fib6_nh_init+0x3d8/0x1580 [ 6049.896984][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6049.896984][ T10] ip6_route_add+0x1c/0x140 [ 6049.896984][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6049.896984][ T10] addrconf_add_dev+0xe2/0x170 [ 6049.896984][ T10] inet6_addr_add+0x12f/0xa40 [ 6049.896984][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6049.896984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.896984][ T10] netlink_rcv_skb+0x130/0x360 [ 6049.896984][ T10] netlink_unicast+0x449/0x710 [ 6049.896984][ T10] netlink_sendmsg+0x723/0xbe0 [ 6049.896984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6049.896984][ T10] ___sys_sendmsg+0xee/0x170 [ 6049.896984][ T10] __sys_sendmsg+0xcd/0x170 [ 6049.896984][ T10] do_syscall_64+0xc6/0x1e0 [ 6049.896984][ T10] [ 6049.901000][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6049.901000][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6049.901000][ T10] ipv6_find_idev+0x102/0x170 [ 6049.901000][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6049.901000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.901000][ T10] netlink_rcv_skb+0x130/0x360 [ 6049.901000][ T10] netlink_unicast+0x449/0x710 [ 6049.901000][ T10] netlink_sendmsg+0x723/0xbe0 [ 6049.901000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6049.901000][ T10] ___sys_sendmsg+0xee/0x170 [ 6049.901000][ T10] __sys_sendmsg+0xcd/0x170 [ 6049.901000][ T10] do_syscall_64+0xc6/0x1e0 [ 6049.901000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.901000][ T10] [ 6049.902729][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6049.902729][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6049.902729][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6049.902729][ T10] ipv6_find_idev+0x102/0x170 [ 6049.902729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6049.902729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.902729][ T10] netlink_rcv_skb+0x130/0x360 [ 6049.902729][ T10] netlink_unicast+0x449/0x710 [ 6049.902729][ T10] netlink_sendmsg+0x723/0xbe0 [ 6049.902729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6049.902729][ T10] ___sys_sendmsg+0xee/0x170 [ 6049.902729][ T10] __sys_sendmsg+0xcd/0x170 [ 6049.902729][ T10] do_syscall_64+0xc6/0x1e0 [ 6049.902729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.902729][ T10] [ 6049.905032][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6049.905279][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6049.905279][ T10] netdev_get_by_index+0x5e/0x80 [ 6049.905279][ T10] fib6_nh_init+0x3d8/0x1580 [ 6049.905279][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6049.905279][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6049.905279][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6049.905279][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6049.905279][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6049.905279][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6049.905279][ T10] addrconf_dad_begin+0x310/0x670 [ 6049.905279][ T10] addrconf_dad_work+0x10b/0xab0 [ 6049.905279][ T10] process_one_work+0x84d/0x18a0 [ 6049.905279][ T10] worker_thread+0x587/0xd30 [ 6049.905279][ T10] kthread+0x28a/0x350 [ 6049.905279][ T10] ret_from_fork+0x31/0x70 [ 6049.905279][ T10] ret_from_fork_asm+0x1a/0x30 [ 6049.905279][ T10] [ 6049.907187][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6049.907187][ T10] netdev_get_by_index+0x5e/0x80 [ 6049.907187][ T10] fib6_nh_init+0x3d8/0x1580 [ 6049.907187][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6049.907187][ T10] ip6_route_add+0x1c/0x140 [ 6049.907187][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6049.907187][ T10] inet6_addr_add+0x4f8/0xa40 [ 6049.907187][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6049.907187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.907187][ T10] netlink_rcv_skb+0x130/0x360 [ 6049.907187][ T10] netlink_unicast+0x449/0x710 [ 6049.907187][ T10] netlink_sendmsg+0x723/0xbe0 [ 6049.907187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6049.907187][ T10] ___sys_sendmsg+0xee/0x170 [ 6049.907187][ T10] __sys_sendmsg+0xcd/0x170 [ 6049.907187][ T10] do_syscall_64+0xc6/0x1e0 [ 6049.907187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.907187][ T10] [ 6049.909323][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6049.909323][ T10] netdev_get_by_index+0x5e/0x80 [ 6049.909323][ T10] fib6_nh_init+0x3d8/0x1580 [ 6049.909323][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6049.909323][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6049.909323][ T10] ipv6_add_addr+0x411/0x2000 [ 6049.909323][ T10] inet6_addr_add+0x30e/0xa40 [ 6049.909323][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6049.909323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.909323][ T10] netlink_rcv_skb+0x130/0x360 [ 6049.909323][ T10] netlink_unicast+0x449/0x710 [ 6049.909323][ T10] netlink_sendmsg+0x723/0xbe0 [ 6049.909323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6049.909323][ T10] ___sys_sendmsg+0xee/0x170 [ 6049.909323][ T10] __sys_sendmsg+0xcd/0x170 [ 6049.909323][ T10] do_syscall_64+0xc6/0x1e0 [ 6049.909323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.909323][ T10] [ 6049.911529][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6049.911529][ T10] netdev_get_by_index+0x5e/0x80 [ 6049.911529][ T10] fib6_nh_init+0x3d8/0x1580 [ 6049.911529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6049.911529][ T10] ip6_route_add+0x1c/0x140 [ 6049.911529][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6049.911529][ T10] addrconf_add_dev+0xe2/0x170 [ 6049.911529][ T10] inet6_addr_add+0x12f/0xa40 [ 6049.911529][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6049.911529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.911529][ T10] netlink_rcv_skb+0x130/0x360 [ 6049.911529][ T10] netlink_unicast+0x449/0x710 [ 6049.911529][ T10] netlink_sendmsg+0x723/0xbe0 [ 6049.911529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6049.911529][ T10] ___sys_sendmsg+0xee/0x170 [ 6049.911529][ T10] __sys_sendmsg+0xcd/0x170 [ 6049.911529][ T10] do_syscall_64+0xc6/0x1e0 [ 6049.911529][ T10] [ 6049.913687][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6049.913687][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6049.913687][ T10] ipv6_find_idev+0x102/0x170 [ 6049.913687][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6049.913687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.913687][ T10] netlink_rcv_skb+0x130/0x360 [ 6049.913687][ T10] netlink_unicast+0x449/0x710 [ 6049.913687][ T10] netlink_sendmsg+0x723/0xbe0 [ 6049.913687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6049.913687][ T10] ___sys_sendmsg+0xee/0x170 [ 6049.913687][ T10] __sys_sendmsg+0xcd/0x170 [ 6049.913687][ T10] do_syscall_64+0xc6/0x1e0 [ 6049.913687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.913687][ T10] [ 6049.915480][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6049.915480][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6049.915480][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6049.915480][ T10] ipv6_find_idev+0x102/0x170 [ 6049.915480][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6049.915480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.915480][ T10] netlink_rcv_skb+0x130/0x360 [ 6049.915480][ T10] netlink_unicast+0x449/0x710 [ 6049.915480][ T10] netlink_sendmsg+0x723/0xbe0 [ 6049.915480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6049.915480][ T10] ___sys_sendmsg+0xee/0x170 [ 6049.915480][ T10] __sys_sendmsg+0xcd/0x170 [ 6049.915480][ T10] do_syscall_64+0xc6/0x1e0 [ 6049.915480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.915480][ T10] [ 6059.937100][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6059.937503][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6059.937503][ T10] netdev_get_by_index+0x5e/0x80 [ 6059.937503][ T10] fib6_nh_init+0x3d8/0x1580 [ 6059.937503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6059.937503][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6059.937503][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6059.937503][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6059.937503][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6059.937503][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6059.937503][ T10] addrconf_dad_begin+0x310/0x670 [ 6059.937503][ T10] addrconf_dad_work+0x10b/0xab0 [ 6059.937503][ T10] process_one_work+0x84d/0x18a0 [ 6059.937503][ T10] worker_thread+0x587/0xd30 [ 6059.937503][ T10] kthread+0x28a/0x350 [ 6059.937503][ T10] ret_from_fork+0x31/0x70 [ 6059.937503][ T10] ret_from_fork_asm+0x1a/0x30 [ 6059.937503][ T10] [ 6059.939469][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6059.939469][ T10] netdev_get_by_index+0x5e/0x80 [ 6059.939469][ T10] fib6_nh_init+0x3d8/0x1580 [ 6059.939469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6059.939469][ T10] ip6_route_add+0x1c/0x140 [ 6059.939469][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6059.939469][ T10] inet6_addr_add+0x4f8/0xa40 [ 6059.939469][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6059.939469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.939469][ T10] netlink_rcv_skb+0x130/0x360 [ 6059.939469][ T10] netlink_unicast+0x449/0x710 [ 6059.939469][ T10] netlink_sendmsg+0x723/0xbe0 [ 6059.939469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6059.939469][ T10] ___sys_sendmsg+0xee/0x170 [ 6059.939469][ T10] __sys_sendmsg+0xcd/0x170 [ 6059.939469][ T10] do_syscall_64+0xc6/0x1e0 [ 6059.939469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.939469][ T10] [ 6059.941521][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6059.941521][ T10] netdev_get_by_index+0x5e/0x80 [ 6059.941521][ T10] fib6_nh_init+0x3d8/0x1580 [ 6059.941521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6059.941521][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6059.941521][ T10] ipv6_add_addr+0x411/0x2000 [ 6059.941521][ T10] inet6_addr_add+0x30e/0xa40 [ 6059.941521][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6059.941521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.941521][ T10] netlink_rcv_skb+0x130/0x360 [ 6059.941521][ T10] netlink_unicast+0x449/0x710 [ 6059.941521][ T10] netlink_sendmsg+0x723/0xbe0 [ 6059.941521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6059.941521][ T10] ___sys_sendmsg+0xee/0x170 [ 6059.941521][ T10] __sys_sendmsg+0xcd/0x170 [ 6059.941521][ T10] do_syscall_64+0xc6/0x1e0 [ 6059.941521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.941521][ T10] [ 6059.943513][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6059.943513][ T10] netdev_get_by_index+0x5e/0x80 [ 6059.943513][ T10] fib6_nh_init+0x3d8/0x1580 [ 6059.943513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6059.943513][ T10] ip6_route_add+0x1c/0x140 [ 6059.943513][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6059.943513][ T10] addrconf_add_dev+0xe2/0x170 [ 6059.943513][ T10] inet6_addr_add+0x12f/0xa40 [ 6059.943513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6059.943513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.943513][ T10] netlink_rcv_skb+0x130/0x360 [ 6059.943513][ T10] netlink_unicast+0x449/0x710 [ 6059.943513][ T10] netlink_sendmsg+0x723/0xbe0 [ 6059.943513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6059.943513][ T10] ___sys_sendmsg+0xee/0x170 [ 6059.943513][ T10] __sys_sendmsg+0xcd/0x170 [ 6059.943513][ T10] do_syscall_64+0xc6/0x1e0 [ 6059.943513][ T10] [ 6059.945495][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6059.945495][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6059.945495][ T10] ipv6_find_idev+0x102/0x170 [ 6059.945495][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6059.945495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.945495][ T10] netlink_rcv_skb+0x130/0x360 [ 6059.945495][ T10] netlink_unicast+0x449/0x710 [ 6059.945495][ T10] netlink_sendmsg+0x723/0xbe0 [ 6059.945495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6059.945495][ T10] ___sys_sendmsg+0xee/0x170 [ 6059.945495][ T10] __sys_sendmsg+0xcd/0x170 [ 6059.945495][ T10] do_syscall_64+0xc6/0x1e0 [ 6059.945495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.945495][ T10] [ 6059.947032][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6059.947032][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6059.947032][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6059.947032][ T10] ipv6_find_idev+0x102/0x170 [ 6059.947032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6059.947032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.947032][ T10] netlink_rcv_skb+0x130/0x360 [ 6059.947032][ T10] netlink_unicast+0x449/0x710 [ 6059.947032][ T10] netlink_sendmsg+0x723/0xbe0 [ 6059.947032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6059.947032][ T10] ___sys_sendmsg+0xee/0x170 [ 6059.947032][ T10] __sys_sendmsg+0xcd/0x170 [ 6059.947032][ T10] do_syscall_64+0xc6/0x1e0 [ 6059.947032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.947032][ T10] [ 6059.949061][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6059.949299][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6059.949299][ T10] netdev_get_by_index+0x5e/0x80 [ 6059.949299][ T10] fib6_nh_init+0x3d8/0x1580 [ 6059.949299][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6059.949299][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6059.949299][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6059.949299][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6059.949299][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6059.949299][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6059.949299][ T10] addrconf_dad_begin+0x310/0x670 [ 6059.949299][ T10] addrconf_dad_work+0x10b/0xab0 [ 6059.949299][ T10] process_one_work+0x84d/0x18a0 [ 6059.949299][ T10] worker_thread+0x587/0xd30 [ 6059.949299][ T10] kthread+0x28a/0x350 [ 6059.949299][ T10] ret_from_fork+0x31/0x70 [ 6059.949299][ T10] ret_from_fork_asm+0x1a/0x30 [ 6059.949299][ T10] [ 6059.951198][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6059.951198][ T10] netdev_get_by_index+0x5e/0x80 [ 6059.951198][ T10] fib6_nh_init+0x3d8/0x1580 [ 6059.951198][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6059.951198][ T10] ip6_route_add+0x1c/0x140 [ 6059.951198][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6059.951198][ T10] inet6_addr_add+0x4f8/0xa40 [ 6059.951198][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6059.951198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.951198][ T10] netlink_rcv_skb+0x130/0x360 [ 6059.951198][ T10] netlink_unicast+0x449/0x710 [ 6059.951198][ T10] netlink_sendmsg+0x723/0xbe0 [ 6059.951198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6059.951198][ T10] ___sys_sendmsg+0xee/0x170 [ 6059.951198][ T10] __sys_sendmsg+0xcd/0x170 [ 6059.951198][ T10] do_syscall_64+0xc6/0x1e0 [ 6059.951198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.951198][ T10] [ 6059.953185][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6059.953185][ T10] netdev_get_by_index+0x5e/0x80 [ 6059.953185][ T10] fib6_nh_init+0x3d8/0x1580 [ 6059.953185][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6059.953185][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6059.953185][ T10] ipv6_add_addr+0x411/0x2000 [ 6059.953185][ T10] inet6_addr_add+0x30e/0xa40 [ 6059.953185][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6059.953185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.953185][ T10] netlink_rcv_skb+0x130/0x360 [ 6059.953185][ T10] netlink_unicast+0x449/0x710 [ 6059.953185][ T10] netlink_sendmsg+0x723/0xbe0 [ 6059.953185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6059.953185][ T10] ___sys_sendmsg+0xee/0x170 [ 6059.953185][ T10] __sys_sendmsg+0xcd/0x170 [ 6059.953185][ T10] do_syscall_64+0xc6/0x1e0 [ 6059.953185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.953185][ T10] [ 6059.955165][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6059.955165][ T10] netdev_get_by_index+0x5e/0x80 [ 6059.955165][ T10] fib6_nh_init+0x3d8/0x1580 [ 6059.955165][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6059.955165][ T10] ip6_route_add+0x1c/0x140 [ 6059.955165][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6059.955165][ T10] addrconf_add_dev+0xe2/0x170 [ 6059.955165][ T10] inet6_addr_add+0x12f/0xa40 [ 6059.955165][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6059.955165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.955165][ T10] netlink_rcv_skb+0x130/0x360 [ 6059.955165][ T10] netlink_unicast+0x449/0x710 [ 6059.955165][ T10] netlink_sendmsg+0x723/0xbe0 [ 6059.955165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6059.955165][ T10] ___sys_sendmsg+0xee/0x170 [ 6059.955165][ T10] __sys_sendmsg+0xcd/0x170 [ 6059.955165][ T10] do_syscall_64+0xc6/0x1e0 [ 6059.955165][ T10] [ 6059.957111][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6059.957111][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6059.957111][ T10] ipv6_find_idev+0x102/0x170 [ 6059.957111][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6059.957111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.957111][ T10] netlink_rcv_skb+0x130/0x360 [ 6059.957111][ T10] netlink_unicast+0x449/0x710 [ 6059.957111][ T10] netlink_sendmsg+0x723/0xbe0 [ 6059.957111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6059.957111][ T10] ___sys_sendmsg+0xee/0x170 [ 6059.957111][ T10] __sys_sendmsg+0xcd/0x170 [ 6059.957111][ T10] do_syscall_64+0xc6/0x1e0 [ 6059.957111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.957111][ T10] [ 6059.958635][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6059.958635][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6059.958635][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6059.958635][ T10] ipv6_find_idev+0x102/0x170 [ 6059.958635][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6059.958635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.958635][ T10] netlink_rcv_skb+0x130/0x360 [ 6059.958635][ T10] netlink_unicast+0x449/0x710 [ 6059.958635][ T10] netlink_sendmsg+0x723/0xbe0 [ 6059.958635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6059.958635][ T10] ___sys_sendmsg+0xee/0x170 [ 6059.958635][ T10] __sys_sendmsg+0xcd/0x170 [ 6059.958635][ T10] do_syscall_64+0xc6/0x1e0 [ 6059.958635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.958635][ T10] [ 6059.960317][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6059.960548][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6059.960548][ T10] netdev_get_by_index+0x5e/0x80 [ 6059.960548][ T10] fib6_nh_init+0x3d8/0x1580 [ 6059.960548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6059.960548][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6059.960548][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6059.960548][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6059.960548][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6059.960548][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6059.960548][ T10] addrconf_dad_begin+0x310/0x670 [ 6059.960548][ T10] addrconf_dad_work+0x10b/0xab0 [ 6059.960548][ T10] process_one_work+0x84d/0x18a0 [ 6059.960548][ T10] worker_thread+0x587/0xd30 [ 6059.960548][ T10] kthread+0x28a/0x350 [ 6059.960548][ T10] ret_from_fork+0x31/0x70 [ 6059.960548][ T10] ret_from_fork_asm+0x1a/0x30 [ 6059.960548][ T10] [ 6059.962447][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6059.962447][ T10] netdev_get_by_index+0x5e/0x80 [ 6059.962447][ T10] fib6_nh_init+0x3d8/0x1580 [ 6059.962447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6059.962447][ T10] ip6_route_add+0x1c/0x140 [ 6059.962447][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6059.962447][ T10] inet6_addr_add+0x4f8/0xa40 [ 6059.962447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6059.962447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.962447][ T10] netlink_rcv_skb+0x130/0x360 [ 6059.962447][ T10] netlink_unicast+0x449/0x710 [ 6059.962447][ T10] netlink_sendmsg+0x723/0xbe0 [ 6059.962447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6059.962447][ T10] ___sys_sendmsg+0xee/0x170 [ 6059.962447][ T10] __sys_sendmsg+0xcd/0x170 [ 6059.962447][ T10] do_syscall_64+0xc6/0x1e0 [ 6059.962447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.962447][ T10] [ 6059.964619][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6059.964619][ T10] netdev_get_by_index+0x5e/0x80 [ 6059.964619][ T10] fib6_nh_init+0x3d8/0x1580 [ 6059.964619][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6059.964619][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6059.964619][ T10] ipv6_add_addr+0x411/0x2000 [ 6059.964619][ T10] inet6_addr_add+0x30e/0xa40 [ 6059.964619][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6059.964619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.964619][ T10] netlink_rcv_skb+0x130/0x360 [ 6059.964619][ T10] netlink_unicast+0x449/0x710 [ 6059.964619][ T10] netlink_sendmsg+0x723/0xbe0 [ 6059.964619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6059.964619][ T10] ___sys_sendmsg+0xee/0x170 [ 6059.964619][ T10] __sys_sendmsg+0xcd/0x170 [ 6059.964619][ T10] do_syscall_64+0xc6/0x1e0 [ 6059.964619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.964619][ T10] [ 6059.966846][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6059.966846][ T10] netdev_get_by_index+0x5e/0x80 [ 6059.966846][ T10] fib6_nh_init+0x3d8/0x1580 [ 6059.966846][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6059.966846][ T10] ip6_route_add+0x1c/0x140 [ 6059.966846][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6059.966846][ T10] addrconf_add_dev+0xe2/0x170 [ 6059.966846][ T10] inet6_addr_add+0x12f/0xa40 [ 6059.966846][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6059.966846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.966846][ T10] netlink_rcv_skb+0x130/0x360 [ 6059.966846][ T10] netlink_unicast+0x449/0x710 [ 6059.966846][ T10] netlink_sendmsg+0x723/0xbe0 [ 6059.966846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6059.966846][ T10] ___sys_sendmsg+0xee/0x170 [ 6059.966846][ T10] __sys_sendmsg+0xcd/0x170 [ 6059.966846][ T10] do_syscall_64+0xc6/0x1e0 [ 6059.966846][ T10] [ 6059.969512][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6059.969512][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6059.969512][ T10] ipv6_find_idev+0x102/0x170 [ 6059.969512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6059.969512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.969512][ T10] netlink_rcv_skb+0x130/0x360 [ 6059.969512][ T10] netlink_unicast+0x449/0x710 [ 6059.969512][ T10] netlink_sendmsg+0x723/0xbe0 [ 6059.969512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6059.969512][ T10] ___sys_sendmsg+0xee/0x170 [ 6059.969512][ T10] __sys_sendmsg+0xcd/0x170 [ 6059.969512][ T10] do_syscall_64+0xc6/0x1e0 [ 6059.969512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.969512][ T10] [ 6059.973914][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6059.973914][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6059.973914][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6059.973914][ T10] ipv6_find_idev+0x102/0x170 [ 6059.973914][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6059.973914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.973914][ T10] netlink_rcv_skb+0x130/0x360 [ 6059.973914][ T10] netlink_unicast+0x449/0x710 [ 6059.973914][ T10] netlink_sendmsg+0x723/0xbe0 [ 6059.973914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6059.973914][ T10] ___sys_sendmsg+0xee/0x170 [ 6059.973914][ T10] __sys_sendmsg+0xcd/0x170 [ 6059.973914][ T10] do_syscall_64+0xc6/0x1e0 [ 6059.973914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.973914][ T10] [ 6059.975759][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6059.975997][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6059.975997][ T10] netdev_get_by_index+0x5e/0x80 [ 6059.975997][ T10] fib6_nh_init+0x3d8/0x1580 [ 6059.975997][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6059.975997][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6059.975997][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6059.975997][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6059.975997][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6059.975997][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6059.975997][ T10] addrconf_dad_begin+0x310/0x670 [ 6059.975997][ T10] addrconf_dad_work+0x10b/0xab0 [ 6059.975997][ T10] process_one_work+0x84d/0x18a0 [ 6059.975997][ T10] worker_thread+0x587/0xd30 [ 6059.975997][ T10] kthread+0x28a/0x350 [ 6059.975997][ T10] ret_from_fork+0x31/0x70 [ 6059.975997][ T10] ret_from_fork_asm+0x1a/0x30 [ 6059.975997][ T10] [ 6059.978188][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6059.978188][ T10] netdev_get_by_index+0x5e/0x80 [ 6059.978188][ T10] fib6_nh_init+0x3d8/0x1580 [ 6059.978188][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6059.978188][ T10] ip6_route_add+0x1c/0x140 [ 6059.978188][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6059.978188][ T10] inet6_addr_add+0x4f8/0xa40 [ 6059.978188][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6059.978188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.978188][ T10] netlink_rcv_skb+0x130/0x360 [ 6059.978188][ T10] netlink_unicast+0x449/0x710 [ 6059.978188][ T10] netlink_sendmsg+0x723/0xbe0 [ 6059.978188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6059.978188][ T10] ___sys_sendmsg+0xee/0x170 [ 6059.978188][ T10] __sys_sendmsg+0xcd/0x170 [ 6059.978188][ T10] do_syscall_64+0xc6/0x1e0 [ 6059.978188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.978188][ T10] [ 6059.980291][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6059.980291][ T10] netdev_get_by_index+0x5e/0x80 [ 6059.980291][ T10] fib6_nh_init+0x3d8/0x1580 [ 6059.980291][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6059.980291][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6059.980291][ T10] ipv6_add_addr+0x411/0x2000 [ 6059.980291][ T10] inet6_addr_add+0x30e/0xa40 [ 6059.980291][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6059.980291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.980291][ T10] netlink_rcv_skb+0x130/0x360 [ 6059.980291][ T10] netlink_unicast+0x449/0x710 [ 6059.980291][ T10] netlink_sendmsg+0x723/0xbe0 [ 6059.980291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6059.980291][ T10] ___sys_sendmsg+0xee/0x170 [ 6059.980291][ T10] __sys_sendmsg+0xcd/0x170 [ 6059.980291][ T10] do_syscall_64+0xc6/0x1e0 [ 6059.980291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.980291][ T10] [ 6059.982508][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6059.982508][ T10] netdev_get_by_index+0x5e/0x80 [ 6059.982508][ T10] fib6_nh_init+0x3d8/0x1580 [ 6059.982508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6059.982508][ T10] ip6_route_add+0x1c/0x140 [ 6059.982508][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6059.982508][ T10] addrconf_add_dev+0xe2/0x170 [ 6059.982508][ T10] inet6_addr_add+0x12f/0xa40 [ 6059.982508][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6059.982508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.982508][ T10] netlink_rcv_skb+0x130/0x360 [ 6059.982508][ T10] netlink_unicast+0x449/0x710 [ 6059.982508][ T10] netlink_sendmsg+0x723/0xbe0 [ 6059.982508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6059.982508][ T10] ___sys_sendmsg+0xee/0x170 [ 6059.982508][ T10] __sys_sendmsg+0xcd/0x170 [ 6059.982508][ T10] do_syscall_64+0xc6/0x1e0 [ 6059.982508][ T10] [ 6059.984625][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6059.984625][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6059.984625][ T10] ipv6_find_idev+0x102/0x170 [ 6059.984625][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6059.984625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.984625][ T10] netlink_rcv_skb+0x130/0x360 [ 6059.984625][ T10] netlink_unicast+0x449/0x710 [ 6059.984625][ T10] netlink_sendmsg+0x723/0xbe0 [ 6059.984625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6059.984625][ T10] ___sys_sendmsg+0xee/0x170 [ 6059.984625][ T10] __sys_sendmsg+0xcd/0x170 [ 6059.984625][ T10] do_syscall_64+0xc6/0x1e0 [ 6059.984625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.984625][ T10] [ 6059.986329][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6059.986329][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6059.986329][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6059.986329][ T10] ipv6_find_idev+0x102/0x170 [ 6059.986329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6059.986329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.986329][ T10] netlink_rcv_skb+0x130/0x360 [ 6059.986329][ T10] netlink_unicast+0x449/0x710 [ 6059.986329][ T10] netlink_sendmsg+0x723/0xbe0 [ 6059.986329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6059.986329][ T10] ___sys_sendmsg+0xee/0x170 [ 6059.986329][ T10] __sys_sendmsg+0xcd/0x170 [ 6059.986329][ T10] do_syscall_64+0xc6/0x1e0 [ 6059.986329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.986329][ T10] [ 6060.049112][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6060.049535][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6060.049535][ T1167] dst_init+0x84/0x4a0 [ 6060.049535][ T1167] dst_alloc+0x97/0x150 [ 6060.049535][ T1167] ip6_dst_alloc+0x23/0x90 [ 6060.049535][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6060.049535][ T1167] ip6_pol_route+0x56f/0x840 [ 6060.049535][ T1167] fib6_rule_lookup+0x334/0x630 [ 6060.049535][ T1167] ip6_route_output_flags+0x259/0x480 [ 6060.049535][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6060.049535][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6060.049535][ T1167] netlink_rcv_skb+0x130/0x360 [ 6060.049535][ T1167] netlink_unicast+0x449/0x710 [ 6060.049535][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6060.049535][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6060.049535][ T1167] ___sys_sendmsg+0xee/0x170 [ 6060.049535][ T1167] __sys_sendmsg+0xcd/0x170 [ 6060.049535][ T1167] do_syscall_64+0xc6/0x1e0 [ 6060.049535][ T1167] [ 6060.051720][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6060.051720][ T1167] netdev_get_by_index+0x5e/0x80 [ 6060.051720][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6060.051720][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6060.051720][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6060.051720][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6060.051720][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6060.051720][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6060.051720][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6060.051720][ T1167] addrconf_dad_begin+0x310/0x670 [ 6060.051720][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6060.051720][ T1167] process_one_work+0x84d/0x18a0 [ 6060.051720][ T1167] worker_thread+0x587/0xd30 [ 6060.051720][ T1167] kthread+0x28a/0x350 [ 6060.051720][ T1167] ret_from_fork+0x31/0x70 [ 6060.051720][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6060.051720][ T1167] [ 6060.053846][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6060.053846][ T1167] netdev_get_by_index+0x5e/0x80 [ 6060.053846][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6060.053846][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6060.053846][ T1167] ip6_route_add+0x1c/0x140 [ 6060.053846][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6060.053846][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6060.053846][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6060.053846][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6060.053846][ T1167] netlink_rcv_skb+0x130/0x360 [ 6060.053846][ T1167] netlink_unicast+0x449/0x710 [ 6060.053846][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6060.053846][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6060.053846][ T1167] ___sys_sendmsg+0xee/0x170 [ 6060.053846][ T1167] __sys_sendmsg+0xcd/0x170 [ 6060.053846][ T1167] do_syscall_64+0xc6/0x1e0 [ 6060.053846][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6060.053846][ T1167] [ 6060.056072][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6060.056072][ T1167] netdev_get_by_index+0x5e/0x80 [ 6060.056072][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6060.056072][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6060.056072][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6060.056072][ T1167] ipv6_add_addr+0x411/0x2000 [ 6060.056072][ T1167] inet6_addr_add+0x30e/0xa40 [ 6060.056072][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6060.056072][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6060.056072][ T1167] netlink_rcv_skb+0x130/0x360 [ 6060.056072][ T1167] netlink_unicast+0x449/0x710 [ 6060.056072][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6060.056072][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6060.056072][ T1167] ___sys_sendmsg+0xee/0x170 [ 6060.056072][ T1167] __sys_sendmsg+0xcd/0x170 [ 6060.056072][ T1167] do_syscall_64+0xc6/0x1e0 [ 6060.056072][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6060.056072][ T1167] [ 6060.058295][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6060.058295][ T1167] netdev_get_by_index+0x5e/0x80 [ 6060.058295][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6060.058295][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6060.058295][ T1167] ip6_route_add+0x1c/0x140 [ 6060.058295][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6060.058295][ T1167] addrconf_add_dev+0xe2/0x170 [ 6060.058295][ T1167] inet6_addr_add+0x12f/0xa40 [ 6060.058295][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6060.058295][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6060.058295][ T1167] netlink_rcv_skb+0x130/0x360 [ 6060.058295][ T1167] netlink_unicast+0x449/0x710 [ 6060.058295][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6060.058295][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6060.058295][ T1167] ___sys_sendmsg+0xee/0x170 [ 6060.058295][ T1167] __sys_sendmsg+0xcd/0x170 [ 6060.058295][ T1167] do_syscall_64+0xc6/0x1e0 [ 6060.058295][ T1167] [ 6060.060507][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6060.060507][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6060.060507][ T1167] ipv6_find_idev+0x102/0x170 [ 6060.060507][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6060.060507][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6060.060507][ T1167] netlink_rcv_skb+0x130/0x360 [ 6060.060507][ T1167] netlink_unicast+0x449/0x710 [ 6060.060507][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6060.060507][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6060.060507][ T1167] ___sys_sendmsg+0xee/0x170 [ 6060.060507][ T1167] __sys_sendmsg+0xcd/0x170 [ 6060.060507][ T1167] do_syscall_64+0xc6/0x1e0 [ 6060.060507][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6060.060507][ T1167] [ 6060.062231][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6060.062231][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6060.062231][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6060.062231][ T1167] ipv6_find_idev+0x102/0x170 [ 6060.062231][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6060.062231][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6060.062231][ T1167] netlink_rcv_skb+0x130/0x360 [ 6060.062231][ T1167] netlink_unicast+0x449/0x710 [ 6060.062231][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6060.062231][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6060.062231][ T1167] ___sys_sendmsg+0xee/0x170 [ 6060.062231][ T1167] __sys_sendmsg+0xcd/0x170 [ 6060.062231][ T1167] do_syscall_64+0xc6/0x1e0 [ 6060.062231][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6060.062231][ T1167] [ 6070.105044][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6070.105053][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6070.105547][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6070.105547][ T1167] dst_init+0x84/0x4a0 [ 6070.105547][ T1167] dst_alloc+0x97/0x150 [ 6070.105547][ T1167] ip6_dst_alloc+0x23/0x90 [ 6070.105547][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6070.105547][ T1167] ip6_pol_route+0x56f/0x840 [ 6070.105547][ T1167] fib6_rule_lookup+0x334/0x630 [ 6070.105547][ T1167] ip6_route_output_flags+0x259/0x480 [ 6070.105547][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6070.105547][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6070.105547][ T1167] netlink_rcv_skb+0x130/0x360 [ 6070.105547][ T1167] netlink_unicast+0x449/0x710 [ 6070.105547][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6070.105547][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6070.105547][ T1167] ___sys_sendmsg+0xee/0x170 [ 6070.105547][ T1167] __sys_sendmsg+0xcd/0x170 [ 6070.105547][ T1167] do_syscall_64+0xc6/0x1e0 [ 6070.105547][ T1167] [ 6070.105765][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6070.105765][ T10] netdev_get_by_index+0x5e/0x80 [ 6070.105765][ T10] fib6_nh_init+0x3d8/0x1580 [ 6070.105765][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6070.105765][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6070.105765][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6070.105765][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6070.105765][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6070.105765][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6070.105765][ T10] addrconf_dad_begin+0x310/0x670 [ 6070.105765][ T10] addrconf_dad_work+0x10b/0xab0 [ 6070.105765][ T10] process_one_work+0x84d/0x18a0 [ 6070.105765][ T10] worker_thread+0x587/0xd30 [ 6070.105765][ T10] kthread+0x28a/0x350 [ 6070.105765][ T10] ret_from_fork+0x31/0x70 [ 6070.105765][ T10] ret_from_fork_asm+0x1a/0x30 [ 6070.105765][ T10] [ 6070.107868][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6070.107868][ T1167] netdev_get_by_index+0x5e/0x80 [ 6070.107868][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6070.107868][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6070.107868][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6070.107868][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6070.107868][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6070.107868][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6070.107868][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6070.107868][ T1167] addrconf_dad_begin+0x310/0x670 [ 6070.107868][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6070.107868][ T1167] process_one_work+0x84d/0x18a0 [ 6070.107868][ T1167] worker_thread+0x587/0xd30 [ 6070.107868][ T1167] kthread+0x28a/0x350 [ 6070.107868][ T1167] ret_from_fork+0x31/0x70 [ 6070.107868][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6070.107868][ T1167] [ 6070.109778][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6070.109778][ T10] netdev_get_by_index+0x5e/0x80 [ 6070.109778][ T10] fib6_nh_init+0x3d8/0x1580 [ 6070.109778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6070.109778][ T10] ip6_route_add+0x1c/0x140 [ 6070.109778][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6070.109778][ T10] inet6_addr_add+0x4f8/0xa40 [ 6070.109778][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6070.109778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6070.109778][ T10] netlink_rcv_skb+0x130/0x360 [ 6070.109778][ T10] netlink_unicast+0x449/0x710 [ 6070.109778][ T10] netlink_sendmsg+0x723/0xbe0 [ 6070.109778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6070.109778][ T10] ___sys_sendmsg+0xee/0x170 [ 6070.109778][ T10] __sys_sendmsg+0xcd/0x170 [ 6070.109778][ T10] do_syscall_64+0xc6/0x1e0 [ 6070.109778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6070.109778][ T10] [ 6070.111921][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6070.111921][ T1167] netdev_get_by_index+0x5e/0x80 [ 6070.111921][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6070.111921][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6070.111921][ T1167] ip6_route_add+0x1c/0x140 [ 6070.111921][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6070.111921][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6070.111921][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6070.111921][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6070.111921][ T1167] netlink_rcv_skb+0x130/0x360 [ 6070.111921][ T1167] netlink_unicast+0x449/0x710 [ 6070.111921][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6070.111921][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6070.111921][ T1167] ___sys_sendmsg+0xee/0x170 [ 6070.111921][ T1167] __sys_sendmsg+0xcd/0x170 [ 6070.111921][ T1167] do_syscall_64+0xc6/0x1e0 [ 6070.111921][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6070.111921][ T1167] [ 6070.113870][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6070.113870][ T10] netdev_get_by_index+0x5e/0x80 [ 6070.113870][ T10] fib6_nh_init+0x3d8/0x1580 [ 6070.113870][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6070.113870][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6070.113870][ T10] ipv6_add_addr+0x411/0x2000 [ 6070.113870][ T10] inet6_addr_add+0x30e/0xa40 [ 6070.113870][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6070.113870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6070.113870][ T10] netlink_rcv_skb+0x130/0x360 [ 6070.113870][ T10] netlink_unicast+0x449/0x710 [ 6070.113870][ T10] netlink_sendmsg+0x723/0xbe0 [ 6070.113870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6070.113870][ T10] ___sys_sendmsg+0xee/0x170 [ 6070.113870][ T10] __sys_sendmsg+0xcd/0x170 [ 6070.113870][ T10] do_syscall_64+0xc6/0x1e0 [ 6070.113870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6070.113870][ T10] [ 6070.116130][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6070.116130][ T1167] netdev_get_by_index+0x5e/0x80 [ 6070.116130][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6070.116130][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6070.116130][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6070.116130][ T1167] ipv6_add_addr+0x411/0x2000 [ 6070.116130][ T1167] inet6_addr_add+0x30e/0xa40 [ 6070.116130][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6070.116130][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6070.116130][ T1167] netlink_rcv_skb+0x130/0x360 [ 6070.116130][ T1167] netlink_unicast+0x449/0x710 [ 6070.116130][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6070.116130][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6070.116130][ T1167] ___sys_sendmsg+0xee/0x170 [ 6070.116130][ T1167] __sys_sendmsg+0xcd/0x170 [ 6070.116130][ T1167] do_syscall_64+0xc6/0x1e0 [ 6070.116130][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6070.116130][ T1167] [ 6070.118077][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6070.118077][ T10] netdev_get_by_index+0x5e/0x80 [ 6070.118077][ T10] fib6_nh_init+0x3d8/0x1580 [ 6070.118077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6070.118077][ T10] ip6_route_add+0x1c/0x140 [ 6070.118077][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6070.118077][ T10] addrconf_add_dev+0xe2/0x170 [ 6070.118077][ T10] inet6_addr_add+0x12f/0xa40 [ 6070.118077][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6070.118077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6070.118077][ T10] netlink_rcv_skb+0x130/0x360 [ 6070.118077][ T10] netlink_unicast+0x449/0x710 [ 6070.118077][ T10] netlink_sendmsg+0x723/0xbe0 [ 6070.118077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6070.118077][ T10] ___sys_sendmsg+0xee/0x170 [ 6070.118077][ T10] __sys_sendmsg+0xcd/0x170 [ 6070.118077][ T10] do_syscall_64+0xc6/0x1e0 [ 6070.118077][ T10] [ 6070.120336][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6070.120336][ T1167] netdev_get_by_index+0x5e/0x80 [ 6070.120336][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6070.120336][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6070.120336][ T1167] ip6_route_add+0x1c/0x140 [ 6070.120336][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6070.120336][ T1167] addrconf_add_dev+0xe2/0x170 [ 6070.120336][ T1167] inet6_addr_add+0x12f/0xa40 [ 6070.120336][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6070.120336][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6070.120336][ T1167] netlink_rcv_skb+0x130/0x360 [ 6070.120336][ T1167] netlink_unicast+0x449/0x710 [ 6070.120336][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6070.120336][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6070.120336][ T1167] ___sys_sendmsg+0xee/0x170 [ 6070.120336][ T1167] __sys_sendmsg+0xcd/0x170 [ 6070.120336][ T1167] do_syscall_64+0xc6/0x1e0 [ 6070.120336][ T1167] [ 6070.122258][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6070.122258][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6070.122258][ T10] ipv6_find_idev+0x102/0x170 [ 6070.122258][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6070.122258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6070.122258][ T10] netlink_rcv_skb+0x130/0x360 [ 6070.122258][ T10] netlink_unicast+0x449/0x710 [ 6070.122258][ T10] netlink_sendmsg+0x723/0xbe0 [ 6070.122258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6070.122258][ T10] ___sys_sendmsg+0xee/0x170 [ 6070.122258][ T10] __sys_sendmsg+0xcd/0x170 [ 6070.122258][ T10] do_syscall_64+0xc6/0x1e0 [ 6070.122258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6070.122258][ T10] [ 6070.124488][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6070.124488][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6070.124488][ T1167] ipv6_find_idev+0x102/0x170 [ 6070.124488][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6070.124488][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6070.124488][ T1167] netlink_rcv_skb+0x130/0x360 [ 6070.124488][ T1167] netlink_unicast+0x449/0x710 [ 6070.124488][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6070.124488][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6070.124488][ T1167] ___sys_sendmsg+0xee/0x170 [ 6070.124488][ T1167] __sys_sendmsg+0xcd/0x170 [ 6070.124488][ T1167] do_syscall_64+0xc6/0x1e0 [ 6070.124488][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6070.124488][ T1167] [ 6070.125991][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6070.125991][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6070.125991][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6070.125991][ T10] ipv6_find_idev+0x102/0x170 [ 6070.125991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6070.125991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6070.125991][ T10] netlink_rcv_skb+0x130/0x360 [ 6070.125991][ T10] netlink_unicast+0x449/0x710 [ 6070.125991][ T10] netlink_sendmsg+0x723/0xbe0 [ 6070.125991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6070.125991][ T10] ___sys_sendmsg+0xee/0x170 [ 6070.125991][ T10] __sys_sendmsg+0xcd/0x170 [ 6070.125991][ T10] do_syscall_64+0xc6/0x1e0 [ 6070.125991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6070.125991][ T10] [ 6070.127733][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6070.127733][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6070.127733][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6070.127733][ T1167] ipv6_find_idev+0x102/0x170 [ 6070.127733][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6070.127733][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6070.127733][ T1167] netlink_rcv_skb+0x130/0x360 [ 6070.127733][ T1167] netlink_unicast+0x449/0x710 [ 6070.127733][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6070.127733][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6070.127733][ T1167] ___sys_sendmsg+0xee/0x170 [ 6070.127733][ T1167] __sys_sendmsg+0xcd/0x170 [ 6070.127733][ T1167] do_syscall_64+0xc6/0x1e0 [ 6070.127733][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6070.127733][ T1167] [ 6070.129384][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6070.133796][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6070.133796][ T10] netdev_get_by_index+0x5e/0x80 [ 6070.133796][ T10] fib6_nh_init+0x3d8/0x1580 [ 6070.133796][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6070.133796][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6070.133796][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6070.133796][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6070.133796][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6070.133796][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6070.133796][ T10] addrconf_dad_begin+0x310/0x670 [ 6070.133796][ T10] addrconf_dad_work+0x10b/0xab0 [ 6070.133796][ T10] process_one_work+0x84d/0x18a0 [ 6070.133796][ T10] worker_thread+0x587/0xd30 [ 6070.133796][ T10] kthread+0x28a/0x350 [ 6070.133796][ T10] ret_from_fork+0x31/0x70 [ 6070.133796][ T10] ret_from_fork_asm+0x1a/0x30 [ 6070.133796][ T10] [ 6070.135686][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6070.135686][ T10] netdev_get_by_index+0x5e/0x80 [ 6070.135686][ T10] fib6_nh_init+0x3d8/0x1580 [ 6070.135686][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6070.135686][ T10] ip6_route_add+0x1c/0x140 [ 6070.135686][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6070.135686][ T10] inet6_addr_add+0x4f8/0xa40 [ 6070.135686][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6070.135686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6070.135686][ T10] netlink_rcv_skb+0x130/0x360 [ 6070.135686][ T10] netlink_unicast+0x449/0x710 [ 6070.135686][ T10] netlink_sendmsg+0x723/0xbe0 [ 6070.135686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6070.135686][ T10] ___sys_sendmsg+0xee/0x170 [ 6070.135686][ T10] __sys_sendmsg+0xcd/0x170 [ 6070.135686][ T10] do_syscall_64+0xc6/0x1e0 [ 6070.135686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6070.135686][ T10] [ 6070.137846][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6070.137846][ T10] netdev_get_by_index+0x5e/0x80 [ 6070.137846][ T10] fib6_nh_init+0x3d8/0x1580 [ 6070.137846][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6070.137846][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6070.137846][ T10] ipv6_add_addr+0x411/0x2000 [ 6070.137846][ T10] inet6_addr_add+0x30e/0xa40 [ 6070.137846][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6070.137846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6070.137846][ T10] netlink_rcv_skb+0x130/0x360 [ 6070.137846][ T10] netlink_unicast+0x449/0x710 [ 6070.137846][ T10] netlink_sendmsg+0x723/0xbe0 [ 6070.137846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6070.137846][ T10] ___sys_sendmsg+0xee/0x170 [ 6070.137846][ T10] __sys_sendmsg+0xcd/0x170 [ 6070.137846][ T10] do_syscall_64+0xc6/0x1e0 [ 6070.137846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6070.137846][ T10] [ 6070.140042][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6070.140042][ T10] netdev_get_by_index+0x5e/0x80 [ 6070.140042][ T10] fib6_nh_init+0x3d8/0x1580 [ 6070.140042][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6070.140042][ T10] ip6_route_add+0x1c/0x140 [ 6070.140042][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6070.140042][ T10] addrconf_add_dev+0xe2/0x170 [ 6070.140042][ T10] inet6_addr_add+0x12f/0xa40 [ 6070.140042][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6070.140042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6070.140042][ T10] netlink_rcv_skb+0x130/0x360 [ 6070.140042][ T10] netlink_unicast+0x449/0x710 [ 6070.140042][ T10] netlink_sendmsg+0x723/0xbe0 [ 6070.140042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6070.140042][ T10] ___sys_sendmsg+0xee/0x170 [ 6070.140042][ T10] __sys_sendmsg+0xcd/0x170 [ 6070.140042][ T10] do_syscall_64+0xc6/0x1e0 [ 6070.140042][ T10] [ 6070.142225][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6070.142225][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6070.142225][ T10] ipv6_find_idev+0x102/0x170 [ 6070.142225][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6070.142225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6070.142225][ T10] netlink_rcv_skb+0x130/0x360 [ 6070.142225][ T10] netlink_unicast+0x449/0x710 [ 6070.142225][ T10] netlink_sendmsg+0x723/0xbe0 [ 6070.142225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6070.142225][ T10] ___sys_sendmsg+0xee/0x170 [ 6070.142225][ T10] __sys_sendmsg+0xcd/0x170 [ 6070.142225][ T10] do_syscall_64+0xc6/0x1e0 [ 6070.142225][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6070.142225][ T10] [ 6070.143864][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6070.143864][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6070.143864][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6070.143864][ T10] ipv6_find_idev+0x102/0x170 [ 6070.143864][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6070.143864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6070.143864][ T10] netlink_rcv_skb+0x130/0x360 [ 6070.143864][ T10] netlink_unicast+0x449/0x710 [ 6070.143864][ T10] netlink_sendmsg+0x723/0xbe0 [ 6070.143864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6070.143864][ T10] ___sys_sendmsg+0xee/0x170 [ 6070.143864][ T10] __sys_sendmsg+0xcd/0x170 [ 6070.143864][ T10] do_syscall_64+0xc6/0x1e0 [ 6070.143864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6070.143864][ T10] [ 6070.145709][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6070.145942][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6070.145942][ T10] netdev_get_by_index+0x5e/0x80 [ 6070.145942][ T10] fib6_nh_init+0x3d8/0x1580 [ 6070.145942][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6070.145942][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6070.145942][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6070.145942][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6070.145942][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6070.145942][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6070.145942][ T10] addrconf_dad_begin+0x310/0x670 [ 6070.145942][ T10] addrconf_dad_work+0x10b/0xab0 [ 6070.145942][ T10] process_one_work+0x84d/0x18a0 [ 6070.145942][ T10] worker_thread+0x587/0xd30 [ 6070.145942][ T10] kthread+0x28a/0x350 [ 6070.145942][ T10] ret_from_fork+0x31/0x70 [ 6070.145942][ T10] ret_from_fork_asm+0x1a/0x30 [ 6070.145942][ T10] [ 6070.148135][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6070.148135][ T10] netdev_get_by_index+0x5e/0x80 [ 6070.148135][ T10] fib6_nh_init+0x3d8/0x1580 [ 6070.148135][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6070.148135][ T10] ip6_route_add+0x1c/0x140 [ 6070.148135][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6070.148135][ T10] inet6_addr_add+0x4f8/0xa40 [ 6070.148135][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6070.148135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6070.148135][ T10] netlink_rcv_skb+0x130/0x360 [ 6070.148135][ T10] netlink_unicast+0x449/0x710 [ 6070.148135][ T10] netlink_sendmsg+0x723/0xbe0 [ 6070.148135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6070.148135][ T10] ___sys_sendmsg+0xee/0x170 [ 6070.148135][ T10] __sys_sendmsg+0xcd/0x170 [ 6070.148135][ T10] do_syscall_64+0xc6/0x1e0 [ 6070.148135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6070.148135][ T10] [ 6070.150328][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6070.150328][ T10] netdev_get_by_index+0x5e/0x80 [ 6070.150328][ T10] fib6_nh_init+0x3d8/0x1580 [ 6070.150328][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6070.150328][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6070.150328][ T10] ipv6_add_addr+0x411/0x2000 [ 6070.150328][ T10] inet6_addr_add+0x30e/0xa40 [ 6070.150328][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6070.150328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6070.150328][ T10] netlink_rcv_skb+0x130/0x360 [ 6070.150328][ T10] netlink_unicast+0x449/0x710 [ 6070.150328][ T10] netlink_sendmsg+0x723/0xbe0 [ 6070.150328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6070.150328][ T10] ___sys_sendmsg+0xee/0x170 [ 6070.150328][ T10] __sys_sendmsg+0xcd/0x170 [ 6070.150328][ T10] do_syscall_64+0xc6/0x1e0 [ 6070.150328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6070.150328][ T10] [ 6070.152539][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6070.152539][ T10] netdev_get_by_index+0x5e/0x80 [ 6070.152539][ T10] fib6_nh_init+0x3d8/0x1580 [ 6070.152539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6070.152539][ T10] ip6_route_add+0x1c/0x140 [ 6070.152539][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6070.152539][ T10] addrconf_add_dev+0xe2/0x170 [ 6070.152539][ T10] inet6_addr_add+0x12f/0xa40 [ 6070.152539][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6070.152539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6070.152539][ T10] netlink_rcv_skb+0x130/0x360 [ 6070.152539][ T10] netlink_unicast+0x449/0x710 [ 6070.152539][ T10] netlink_sendmsg+0x723/0xbe0 [ 6070.152539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6070.152539][ T10] ___sys_sendmsg+0xee/0x170 [ 6070.152539][ T10] __sys_sendmsg+0xcd/0x170 [ 6070.152539][ T10] do_syscall_64+0xc6/0x1e0 [ 6070.152539][ T10] [ 6070.154608][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6070.154608][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6070.154608][ T10] ipv6_find_idev+0x102/0x170 [ 6070.154608][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6070.154608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6070.154608][ T10] netlink_rcv_skb+0x130/0x360 [ 6070.154608][ T10] netlink_unicast+0x449/0x710 [ 6070.154608][ T10] netlink_sendmsg+0x723/0xbe0 [ 6070.154608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6070.154608][ T10] ___sys_sendmsg+0xee/0x170 [ 6070.154608][ T10] __sys_sendmsg+0xcd/0x170 [ 6070.154608][ T10] do_syscall_64+0xc6/0x1e0 [ 6070.154608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6070.154608][ T10] [ 6070.156307][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6070.156307][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6070.156307][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6070.156307][ T10] ipv6_find_idev+0x102/0x170 [ 6070.156307][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6070.156307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6070.156307][ T10] netlink_rcv_skb+0x130/0x360 [ 6070.156307][ T10] netlink_unicast+0x449/0x710 [ 6070.156307][ T10] netlink_sendmsg+0x723/0xbe0 [ 6070.156307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6070.156307][ T10] ___sys_sendmsg+0xee/0x170 [ 6070.156307][ T10] __sys_sendmsg+0xcd/0x170 [ 6070.156307][ T10] do_syscall_64+0xc6/0x1e0 [ 6070.156307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6070.156307][ T10] [ 6070.158270][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6070.158502][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6070.158502][ T10] netdev_get_by_index+0x5e/0x80 [ 6070.158502][ T10] fib6_nh_init+0x3d8/0x1580 [ 6070.158502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6070.158502][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6070.158502][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6070.158502][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6070.158502][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6070.158502][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6070.158502][ T10] addrconf_dad_begin+0x310/0x670 [ 6070.158502][ T10] addrconf_dad_work+0x10b/0xab0 [ 6070.158502][ T10] process_one_work+0x84d/0x18a0 [ 6070.158502][ T10] worker_thread+0x587/0xd30 [ 6070.158502][ T10] kthread+0x28a/0x350 [ 6070.158502][ T10] ret_from_fork+0x31/0x70 [ 6070.158502][ T10] ret_from_fork_asm+0x1a/0x30 [ 6070.158502][ T10] [ 6070.160460][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6070.160460][ T10] netdev_get_by_index+0x5e/0x80 [ 6070.160460][ T10] fib6_nh_init+0x3d8/0x1580 [ 6070.160460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6070.160460][ T10] ip6_route_add+0x1c/0x140 [ 6070.160460][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6070.160460][ T10] inet6_addr_add+0x4f8/0xa40 [ 6070.160460][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6070.160460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6070.160460][ T10] netlink_rcv_skb+0x130/0x360 [ 6070.160460][ T10] netlink_unicast+0x449/0x710 [ 6070.160460][ T10] netlink_sendmsg+0x723/0xbe0 [ 6070.160460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6070.160460][ T10] ___sys_sendmsg+0xee/0x170 [ 6070.160460][ T10] __sys_sendmsg+0xcd/0x170 [ 6070.160460][ T10] do_syscall_64+0xc6/0x1e0 [ 6070.160460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6070.160460][ T10] [ 6070.162431][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6070.162431][ T10] netdev_get_by_index+0x5e/0x80 [ 6070.162431][ T10] fib6_nh_init+0x3d8/0x1580 [ 6070.162431][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6070.162431][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6070.162431][ T10] ipv6_add_addr+0x411/0x2000 [ 6070.162431][ T10] inet6_addr_add+0x30e/0xa40 [ 6070.162431][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6070.162431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6070.162431][ T10] netlink_rcv_skb+0x130/0x360 [ 6070.162431][ T10] netlink_unicast+0x449/0x710 [ 6070.162431][ T10] netlink_sendmsg+0x723/0xbe0 [ 6070.162431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6070.162431][ T10] ___sys_sendmsg+0xee/0x170 [ 6070.162431][ T10] __sys_sendmsg+0xcd/0x170 [ 6070.162431][ T10] do_syscall_64+0xc6/0x1e0 [ 6070.162431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6070.162431][ T10] [ 6070.164403][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6070.164403][ T10] netdev_get_by_index+0x5e/0x80 [ 6070.164403][ T10] fib6_nh_init+0x3d8/0x1580 [ 6070.164403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6070.164403][ T10] ip6_route_add+0x1c/0x140 [ 6070.164403][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6070.164403][ T10] addrconf_add_dev+0xe2/0x170 [ 6070.164403][ T10] inet6_addr_add+0x12f/0xa40 [ 6070.164403][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6070.164403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6070.164403][ T10] netlink_rcv_skb+0x130/0x360 [ 6070.164403][ T10] netlink_unicast+0x449/0x710 [ 6070.164403][ T10] netlink_sendmsg+0x723/0xbe0 [ 6070.164403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6070.164403][ T10] ___sys_sendmsg+0xee/0x170 [ 6070.164403][ T10] __sys_sendmsg+0xcd/0x170 [ 6070.164403][ T10] do_syscall_64+0xc6/0x1e0 [ 6070.164403][ T10] [ 6070.166333][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6070.166333][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6070.166333][ T10] ipv6_find_idev+0x102/0x170 [ 6070.166333][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6070.166333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6070.166333][ T10] netlink_rcv_skb+0x130/0x360 [ 6070.166333][ T10] netlink_unicast+0x449/0x710 [ 6070.166333][ T10] netlink_sendmsg+0x723/0xbe0 [ 6070.166333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6070.166333][ T10] ___sys_sendmsg+0xee/0x170 [ 6070.166333][ T10] __sys_sendmsg+0xcd/0x170 [ 6070.166333][ T10] do_syscall_64+0xc6/0x1e0 [ 6070.166333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6070.166333][ T10] [ 6070.167851][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6070.167851][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6070.167851][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6070.167851][ T10] ipv6_find_idev+0x102/0x170 [ 6070.167851][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6070.167851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6070.167851][ T10] netlink_rcv_skb+0x130/0x360 [ 6070.167851][ T10] netlink_unicast+0x449/0x710 [ 6070.167851][ T10] netlink_sendmsg+0x723/0xbe0 [ 6070.167851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6070.167851][ T10] ___sys_sendmsg+0xee/0x170 [ 6070.167851][ T10] __sys_sendmsg+0xcd/0x170 [ 6070.167851][ T10] do_syscall_64+0xc6/0x1e0 [ 6070.167851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6070.167851][ T10] [ 6080.153111][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6080.153566][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6080.153566][ T1167] dst_init+0x84/0x4a0 [ 6080.153566][ T1167] dst_alloc+0x97/0x150 [ 6080.153566][ T1167] ip6_dst_alloc+0x23/0x90 [ 6080.153566][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6080.153566][ T1167] ip6_pol_route+0x56f/0x840 [ 6080.153566][ T1167] fib6_rule_lookup+0x334/0x630 [ 6080.153566][ T1167] ip6_route_output_flags+0x259/0x480 [ 6080.153566][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6080.153566][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6080.153566][ T1167] netlink_rcv_skb+0x130/0x360 [ 6080.153566][ T1167] netlink_unicast+0x449/0x710 [ 6080.153566][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6080.153566][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6080.153566][ T1167] ___sys_sendmsg+0xee/0x170 [ 6080.153566][ T1167] __sys_sendmsg+0xcd/0x170 [ 6080.153566][ T1167] do_syscall_64+0xc6/0x1e0 [ 6080.153566][ T1167] [ 6080.155784][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6080.155784][ T1167] netdev_get_by_index+0x5e/0x80 [ 6080.155784][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6080.155784][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6080.155784][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6080.155784][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6080.155784][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6080.155784][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6080.155784][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6080.155784][ T1167] addrconf_dad_begin+0x310/0x670 [ 6080.155784][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6080.155784][ T1167] process_one_work+0x84d/0x18a0 [ 6080.155784][ T1167] worker_thread+0x587/0xd30 [ 6080.155784][ T1167] kthread+0x28a/0x350 [ 6080.155784][ T1167] ret_from_fork+0x31/0x70 [ 6080.155784][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6080.155784][ T1167] [ 6080.157938][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6080.157938][ T1167] netdev_get_by_index+0x5e/0x80 [ 6080.157938][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6080.157938][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6080.157938][ T1167] ip6_route_add+0x1c/0x140 [ 6080.157938][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6080.157938][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6080.157938][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6080.157938][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.157938][ T1167] netlink_rcv_skb+0x130/0x360 [ 6080.157938][ T1167] netlink_unicast+0x449/0x710 [ 6080.157938][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6080.157938][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6080.157938][ T1167] ___sys_sendmsg+0xee/0x170 [ 6080.157938][ T1167] __sys_sendmsg+0xcd/0x170 [ 6080.157938][ T1167] do_syscall_64+0xc6/0x1e0 [ 6080.157938][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.157938][ T1167] [ 6080.160208][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6080.160208][ T1167] netdev_get_by_index+0x5e/0x80 [ 6080.160208][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6080.160208][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6080.160208][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6080.160208][ T1167] ipv6_add_addr+0x411/0x2000 [ 6080.160208][ T1167] inet6_addr_add+0x30e/0xa40 [ 6080.160208][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6080.160208][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.160208][ T1167] netlink_rcv_skb+0x130/0x360 [ 6080.160208][ T1167] netlink_unicast+0x449/0x710 [ 6080.160208][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6080.160208][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6080.160208][ T1167] ___sys_sendmsg+0xee/0x170 [ 6080.160208][ T1167] __sys_sendmsg+0xcd/0x170 [ 6080.160208][ T1167] do_syscall_64+0xc6/0x1e0 [ 6080.160208][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.160208][ T1167] [ 6080.162469][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6080.162469][ T1167] netdev_get_by_index+0x5e/0x80 [ 6080.162469][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6080.162469][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6080.162469][ T1167] ip6_route_add+0x1c/0x140 [ 6080.162469][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6080.162469][ T1167] addrconf_add_dev+0xe2/0x170 [ 6080.162469][ T1167] inet6_addr_add+0x12f/0xa40 [ 6080.162469][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6080.162469][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.162469][ T1167] netlink_rcv_skb+0x130/0x360 [ 6080.162469][ T1167] netlink_unicast+0x449/0x710 [ 6080.162469][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6080.162469][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6080.162469][ T1167] ___sys_sendmsg+0xee/0x170 [ 6080.162469][ T1167] __sys_sendmsg+0xcd/0x170 [ 6080.162469][ T1167] do_syscall_64+0xc6/0x1e0 [ 6080.162469][ T1167] [ 6080.164685][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6080.164685][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6080.164685][ T1167] ipv6_find_idev+0x102/0x170 [ 6080.164685][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6080.164685][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.164685][ T1167] netlink_rcv_skb+0x130/0x360 [ 6080.164685][ T1167] netlink_unicast+0x449/0x710 [ 6080.164685][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6080.164685][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6080.164685][ T1167] ___sys_sendmsg+0xee/0x170 [ 6080.164685][ T1167] __sys_sendmsg+0xcd/0x170 [ 6080.164685][ T1167] do_syscall_64+0xc6/0x1e0 [ 6080.164685][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.164685][ T1167] [ 6080.166424][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6080.166424][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6080.166424][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6080.166424][ T1167] ipv6_find_idev+0x102/0x170 [ 6080.166424][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6080.166424][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.166424][ T1167] netlink_rcv_skb+0x130/0x360 [ 6080.166424][ T1167] netlink_unicast+0x449/0x710 [ 6080.166424][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6080.166424][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6080.166424][ T1167] ___sys_sendmsg+0xee/0x170 [ 6080.166424][ T1167] __sys_sendmsg+0xcd/0x170 [ 6080.166424][ T1167] do_syscall_64+0xc6/0x1e0 [ 6080.166424][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.166424][ T1167] [ 6080.417124][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6080.417474][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6080.417474][ T10] netdev_get_by_index+0x5e/0x80 [ 6080.417474][ T10] fib6_nh_init+0x3d8/0x1580 [ 6080.417474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6080.417474][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6080.417474][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6080.417474][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6080.417474][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6080.417474][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6080.417474][ T10] addrconf_dad_begin+0x310/0x670 [ 6080.417474][ T10] addrconf_dad_work+0x10b/0xab0 [ 6080.417474][ T10] process_one_work+0x84d/0x18a0 [ 6080.417474][ T10] worker_thread+0x587/0xd30 [ 6080.417474][ T10] kthread+0x28a/0x350 [ 6080.417474][ T10] ret_from_fork+0x31/0x70 [ 6080.417474][ T10] ret_from_fork_asm+0x1a/0x30 [ 6080.417474][ T10] [ 6080.419423][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6080.419423][ T10] netdev_get_by_index+0x5e/0x80 [ 6080.419423][ T10] fib6_nh_init+0x3d8/0x1580 [ 6080.419423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6080.419423][ T10] ip6_route_add+0x1c/0x140 [ 6080.419423][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6080.419423][ T10] inet6_addr_add+0x4f8/0xa40 [ 6080.419423][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6080.419423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.419423][ T10] netlink_rcv_skb+0x130/0x360 [ 6080.419423][ T10] netlink_unicast+0x449/0x710 [ 6080.419423][ T10] netlink_sendmsg+0x723/0xbe0 [ 6080.419423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6080.419423][ T10] ___sys_sendmsg+0xee/0x170 [ 6080.419423][ T10] __sys_sendmsg+0xcd/0x170 [ 6080.419423][ T10] do_syscall_64+0xc6/0x1e0 [ 6080.419423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.419423][ T10] [ 6080.421432][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6080.421432][ T10] netdev_get_by_index+0x5e/0x80 [ 6080.421432][ T10] fib6_nh_init+0x3d8/0x1580 [ 6080.421432][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6080.421432][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6080.421432][ T10] ipv6_add_addr+0x411/0x2000 [ 6080.421432][ T10] inet6_addr_add+0x30e/0xa40 [ 6080.421432][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6080.421432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.421432][ T10] netlink_rcv_skb+0x130/0x360 [ 6080.421432][ T10] netlink_unicast+0x449/0x710 [ 6080.421432][ T10] netlink_sendmsg+0x723/0xbe0 [ 6080.421432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6080.421432][ T10] ___sys_sendmsg+0xee/0x170 [ 6080.421432][ T10] __sys_sendmsg+0xcd/0x170 [ 6080.421432][ T10] do_syscall_64+0xc6/0x1e0 [ 6080.421432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.421432][ T10] [ 6080.423425][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6080.423425][ T10] netdev_get_by_index+0x5e/0x80 [ 6080.423425][ T10] fib6_nh_init+0x3d8/0x1580 [ 6080.423425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6080.423425][ T10] ip6_route_add+0x1c/0x140 [ 6080.423425][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6080.423425][ T10] addrconf_add_dev+0xe2/0x170 [ 6080.423425][ T10] inet6_addr_add+0x12f/0xa40 [ 6080.423425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6080.423425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.423425][ T10] netlink_rcv_skb+0x130/0x360 [ 6080.423425][ T10] netlink_unicast+0x449/0x710 [ 6080.423425][ T10] netlink_sendmsg+0x723/0xbe0 [ 6080.423425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6080.423425][ T10] ___sys_sendmsg+0xee/0x170 [ 6080.423425][ T10] __sys_sendmsg+0xcd/0x170 [ 6080.423425][ T10] do_syscall_64+0xc6/0x1e0 [ 6080.423425][ T10] [ 6080.425394][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6080.425394][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6080.425394][ T10] ipv6_find_idev+0x102/0x170 [ 6080.425394][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6080.425394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.425394][ T10] netlink_rcv_skb+0x130/0x360 [ 6080.425394][ T10] netlink_unicast+0x449/0x710 [ 6080.425394][ T10] netlink_sendmsg+0x723/0xbe0 [ 6080.425394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6080.425394][ T10] ___sys_sendmsg+0xee/0x170 [ 6080.425394][ T10] __sys_sendmsg+0xcd/0x170 [ 6080.425394][ T10] do_syscall_64+0xc6/0x1e0 [ 6080.425394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.425394][ T10] [ 6080.426929][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6080.426929][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6080.426929][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6080.426929][ T10] ipv6_find_idev+0x102/0x170 [ 6080.426929][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6080.426929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.426929][ T10] netlink_rcv_skb+0x130/0x360 [ 6080.426929][ T10] netlink_unicast+0x449/0x710 [ 6080.426929][ T10] netlink_sendmsg+0x723/0xbe0 [ 6080.426929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6080.426929][ T10] ___sys_sendmsg+0xee/0x170 [ 6080.426929][ T10] __sys_sendmsg+0xcd/0x170 [ 6080.426929][ T10] do_syscall_64+0xc6/0x1e0 [ 6080.426929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.426929][ T10] [ 6080.428619][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6080.428857][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6080.428857][ T10] netdev_get_by_index+0x5e/0x80 [ 6080.428857][ T10] fib6_nh_init+0x3d8/0x1580 [ 6080.428857][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6080.428857][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6080.428857][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6080.428857][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6080.428857][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6080.428857][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6080.428857][ T10] addrconf_dad_begin+0x310/0x670 [ 6080.428857][ T10] addrconf_dad_work+0x10b/0xab0 [ 6080.428857][ T10] process_one_work+0x84d/0x18a0 [ 6080.428857][ T10] worker_thread+0x587/0xd30 [ 6080.428857][ T10] kthread+0x28a/0x350 [ 6080.428857][ T10] ret_from_fork+0x31/0x70 [ 6080.428857][ T10] ret_from_fork_asm+0x1a/0x30 [ 6080.428857][ T10] [ 6080.430792][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6080.430792][ T10] netdev_get_by_index+0x5e/0x80 [ 6080.430792][ T10] fib6_nh_init+0x3d8/0x1580 [ 6080.430792][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6080.430792][ T10] ip6_route_add+0x1c/0x140 [ 6080.430792][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6080.430792][ T10] inet6_addr_add+0x4f8/0xa40 [ 6080.430792][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6080.430792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.430792][ T10] netlink_rcv_skb+0x130/0x360 [ 6080.430792][ T10] netlink_unicast+0x449/0x710 [ 6080.430792][ T10] netlink_sendmsg+0x723/0xbe0 [ 6080.430792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6080.430792][ T10] ___sys_sendmsg+0xee/0x170 [ 6080.430792][ T10] __sys_sendmsg+0xcd/0x170 [ 6080.430792][ T10] do_syscall_64+0xc6/0x1e0 [ 6080.430792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.430792][ T10] [ 6080.432793][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6080.432793][ T10] netdev_get_by_index+0x5e/0x80 [ 6080.432793][ T10] fib6_nh_init+0x3d8/0x1580 [ 6080.432793][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6080.432793][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6080.432793][ T10] ipv6_add_addr+0x411/0x2000 [ 6080.432793][ T10] inet6_addr_add+0x30e/0xa40 [ 6080.432793][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6080.432793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.432793][ T10] netlink_rcv_skb+0x130/0x360 [ 6080.432793][ T10] netlink_unicast+0x449/0x710 [ 6080.432793][ T10] netlink_sendmsg+0x723/0xbe0 [ 6080.432793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6080.432793][ T10] ___sys_sendmsg+0xee/0x170 [ 6080.432793][ T10] __sys_sendmsg+0xcd/0x170 [ 6080.432793][ T10] do_syscall_64+0xc6/0x1e0 [ 6080.432793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.432793][ T10] [ 6080.434805][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6080.434805][ T10] netdev_get_by_index+0x5e/0x80 [ 6080.434805][ T10] fib6_nh_init+0x3d8/0x1580 [ 6080.434805][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6080.434805][ T10] ip6_route_add+0x1c/0x140 [ 6080.434805][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6080.434805][ T10] addrconf_add_dev+0xe2/0x170 [ 6080.434805][ T10] inet6_addr_add+0x12f/0xa40 [ 6080.434805][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6080.434805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.434805][ T10] netlink_rcv_skb+0x130/0x360 [ 6080.434805][ T10] netlink_unicast+0x449/0x710 [ 6080.434805][ T10] netlink_sendmsg+0x723/0xbe0 [ 6080.434805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6080.434805][ T10] ___sys_sendmsg+0xee/0x170 [ 6080.434805][ T10] __sys_sendmsg+0xcd/0x170 [ 6080.434805][ T10] do_syscall_64+0xc6/0x1e0 [ 6080.434805][ T10] [ 6080.436775][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6080.436775][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6080.436775][ T10] ipv6_find_idev+0x102/0x170 [ 6080.436775][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6080.436775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.436775][ T10] netlink_rcv_skb+0x130/0x360 [ 6080.436775][ T10] netlink_unicast+0x449/0x710 [ 6080.436775][ T10] netlink_sendmsg+0x723/0xbe0 [ 6080.436775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6080.436775][ T10] ___sys_sendmsg+0xee/0x170 [ 6080.436775][ T10] __sys_sendmsg+0xcd/0x170 [ 6080.436775][ T10] do_syscall_64+0xc6/0x1e0 [ 6080.436775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.436775][ T10] [ 6080.438317][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6080.438317][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6080.438317][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6080.438317][ T10] ipv6_find_idev+0x102/0x170 [ 6080.438317][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6080.438317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.438317][ T10] netlink_rcv_skb+0x130/0x360 [ 6080.438317][ T10] netlink_unicast+0x449/0x710 [ 6080.438317][ T10] netlink_sendmsg+0x723/0xbe0 [ 6080.438317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6080.438317][ T10] ___sys_sendmsg+0xee/0x170 [ 6080.438317][ T10] __sys_sendmsg+0xcd/0x170 [ 6080.438317][ T10] do_syscall_64+0xc6/0x1e0 [ 6080.438317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.438317][ T10] [ 6080.440038][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6080.440279][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6080.440279][ T10] netdev_get_by_index+0x5e/0x80 [ 6080.440279][ T10] fib6_nh_init+0x3d8/0x1580 [ 6080.440279][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6080.440279][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6080.440279][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6080.440279][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6080.440279][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6080.440279][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6080.440279][ T10] addrconf_dad_begin+0x310/0x670 [ 6080.440279][ T10] addrconf_dad_work+0x10b/0xab0 [ 6080.440279][ T10] process_one_work+0x84d/0x18a0 [ 6080.440279][ T10] worker_thread+0x587/0xd30 [ 6080.440279][ T10] kthread+0x28a/0x350 [ 6080.440279][ T10] ret_from_fork+0x31/0x70 [ 6080.440279][ T10] ret_from_fork_asm+0x1a/0x30 [ 6080.440279][ T10] [ 6080.442192][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6080.442192][ T10] netdev_get_by_index+0x5e/0x80 [ 6080.442192][ T10] fib6_nh_init+0x3d8/0x1580 [ 6080.442192][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6080.442192][ T10] ip6_route_add+0x1c/0x140 [ 6080.442192][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6080.442192][ T10] inet6_addr_add+0x4f8/0xa40 [ 6080.442192][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6080.442192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.442192][ T10] netlink_rcv_skb+0x130/0x360 [ 6080.442192][ T10] netlink_unicast+0x449/0x710 [ 6080.442192][ T10] netlink_sendmsg+0x723/0xbe0 [ 6080.442192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6080.442192][ T10] ___sys_sendmsg+0xee/0x170 [ 6080.442192][ T10] __sys_sendmsg+0xcd/0x170 [ 6080.442192][ T10] do_syscall_64+0xc6/0x1e0 [ 6080.442192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.442192][ T10] [ 6080.444385][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6080.444385][ T10] netdev_get_by_index+0x5e/0x80 [ 6080.444385][ T10] fib6_nh_init+0x3d8/0x1580 [ 6080.444385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6080.444385][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6080.444385][ T10] ipv6_add_addr+0x411/0x2000 [ 6080.444385][ T10] inet6_addr_add+0x30e/0xa40 [ 6080.444385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6080.444385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.444385][ T10] netlink_rcv_skb+0x130/0x360 [ 6080.444385][ T10] netlink_unicast+0x449/0x710 [ 6080.444385][ T10] netlink_sendmsg+0x723/0xbe0 [ 6080.444385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6080.444385][ T10] ___sys_sendmsg+0xee/0x170 [ 6080.444385][ T10] __sys_sendmsg+0xcd/0x170 [ 6080.444385][ T10] do_syscall_64+0xc6/0x1e0 [ 6080.444385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.444385][ T10] [ 6080.446637][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6080.446637][ T10] netdev_get_by_index+0x5e/0x80 [ 6080.446637][ T10] fib6_nh_init+0x3d8/0x1580 [ 6080.446637][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6080.446637][ T10] ip6_route_add+0x1c/0x140 [ 6080.446637][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6080.446637][ T10] addrconf_add_dev+0xe2/0x170 [ 6080.446637][ T10] inet6_addr_add+0x12f/0xa40 [ 6080.446637][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6080.446637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.446637][ T10] netlink_rcv_skb+0x130/0x360 [ 6080.446637][ T10] netlink_unicast+0x449/0x710 [ 6080.446637][ T10] netlink_sendmsg+0x723/0xbe0 [ 6080.446637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6080.446637][ T10] ___sys_sendmsg+0xee/0x170 [ 6080.446637][ T10] __sys_sendmsg+0xcd/0x170 [ 6080.446637][ T10] do_syscall_64+0xc6/0x1e0 [ 6080.446637][ T10] [ 6080.448838][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6080.448838][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6080.448838][ T10] ipv6_find_idev+0x102/0x170 [ 6080.448838][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6080.448838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.448838][ T10] netlink_rcv_skb+0x130/0x360 [ 6080.448838][ T10] netlink_unicast+0x449/0x710 [ 6080.448838][ T10] netlink_sendmsg+0x723/0xbe0 [ 6080.448838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6080.448838][ T10] ___sys_sendmsg+0xee/0x170 [ 6080.448838][ T10] __sys_sendmsg+0xcd/0x170 [ 6080.448838][ T10] do_syscall_64+0xc6/0x1e0 [ 6080.448838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.448838][ T10] [ 6080.450573][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6080.450573][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6080.450573][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6080.450573][ T10] ipv6_find_idev+0x102/0x170 [ 6080.450573][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6080.450573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.450573][ T10] netlink_rcv_skb+0x130/0x360 [ 6080.450573][ T10] netlink_unicast+0x449/0x710 [ 6080.450573][ T10] netlink_sendmsg+0x723/0xbe0 [ 6080.450573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6080.450573][ T10] ___sys_sendmsg+0xee/0x170 [ 6080.450573][ T10] __sys_sendmsg+0xcd/0x170 [ 6080.450573][ T10] do_syscall_64+0xc6/0x1e0 [ 6080.450573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.450573][ T10] [ 6080.452431][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6080.452672][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6080.452672][ T10] netdev_get_by_index+0x5e/0x80 [ 6080.452672][ T10] fib6_nh_init+0x3d8/0x1580 [ 6080.452672][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6080.452672][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6080.452672][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6080.452672][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6080.452672][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6080.452672][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6080.452672][ T10] addrconf_dad_begin+0x310/0x670 [ 6080.452672][ T10] addrconf_dad_work+0x10b/0xab0 [ 6080.452672][ T10] process_one_work+0x84d/0x18a0 [ 6080.452672][ T10] worker_thread+0x587/0xd30 [ 6080.452672][ T10] kthread+0x28a/0x350 [ 6080.452672][ T10] ret_from_fork+0x31/0x70 [ 6080.452672][ T10] ret_from_fork_asm+0x1a/0x30 [ 6080.452672][ T10] [ 6080.454902][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6080.454902][ T10] netdev_get_by_index+0x5e/0x80 [ 6080.454902][ T10] fib6_nh_init+0x3d8/0x1580 [ 6080.454902][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6080.454902][ T10] ip6_route_add+0x1c/0x140 [ 6080.454902][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6080.454902][ T10] inet6_addr_add+0x4f8/0xa40 [ 6080.454902][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6080.454902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.454902][ T10] netlink_rcv_skb+0x130/0x360 [ 6080.454902][ T10] netlink_unicast+0x449/0x710 [ 6080.454902][ T10] netlink_sendmsg+0x723/0xbe0 [ 6080.454902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6080.454902][ T10] ___sys_sendmsg+0xee/0x170 [ 6080.454902][ T10] __sys_sendmsg+0xcd/0x170 [ 6080.454902][ T10] do_syscall_64+0xc6/0x1e0 [ 6080.454902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.454902][ T10] [ 6080.457138][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6080.457138][ T10] netdev_get_by_index+0x5e/0x80 [ 6080.457138][ T10] fib6_nh_init+0x3d8/0x1580 [ 6080.457138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6080.457138][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6080.457138][ T10] ipv6_add_addr+0x411/0x2000 [ 6080.457138][ T10] inet6_addr_add+0x30e/0xa40 [ 6080.457138][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6080.457138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.457138][ T10] netlink_rcv_skb+0x130/0x360 [ 6080.457138][ T10] netlink_unicast+0x449/0x710 [ 6080.457138][ T10] netlink_sendmsg+0x723/0xbe0 [ 6080.457138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6080.457138][ T10] ___sys_sendmsg+0xee/0x170 [ 6080.457138][ T10] __sys_sendmsg+0xcd/0x170 [ 6080.457138][ T10] do_syscall_64+0xc6/0x1e0 [ 6080.457138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.457138][ T10] [ 6080.459391][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6080.459391][ T10] netdev_get_by_index+0x5e/0x80 [ 6080.459391][ T10] fib6_nh_init+0x3d8/0x1580 [ 6080.459391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6080.459391][ T10] ip6_route_add+0x1c/0x140 [ 6080.459391][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6080.459391][ T10] addrconf_add_dev+0xe2/0x170 [ 6080.459391][ T10] inet6_addr_add+0x12f/0xa40 [ 6080.459391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6080.459391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.459391][ T10] netlink_rcv_skb+0x130/0x360 [ 6080.459391][ T10] netlink_unicast+0x449/0x710 [ 6080.459391][ T10] netlink_sendmsg+0x723/0xbe0 [ 6080.459391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6080.459391][ T10] ___sys_sendmsg+0xee/0x170 [ 6080.459391][ T10] __sys_sendmsg+0xcd/0x170 [ 6080.459391][ T10] do_syscall_64+0xc6/0x1e0 [ 6080.459391][ T10] [ 6080.461544][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6080.461544][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6080.461544][ T10] ipv6_find_idev+0x102/0x170 [ 6080.461544][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6080.461544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.461544][ T10] netlink_rcv_skb+0x130/0x360 [ 6080.461544][ T10] netlink_unicast+0x449/0x710 [ 6080.461544][ T10] netlink_sendmsg+0x723/0xbe0 [ 6080.461544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6080.461544][ T10] ___sys_sendmsg+0xee/0x170 [ 6080.461544][ T10] __sys_sendmsg+0xcd/0x170 [ 6080.461544][ T10] do_syscall_64+0xc6/0x1e0 [ 6080.461544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.461544][ T10] [ 6080.463256][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6080.463256][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6080.463256][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6080.463256][ T10] ipv6_find_idev+0x102/0x170 [ 6080.463256][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6080.463256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6080.463256][ T10] netlink_rcv_skb+0x130/0x360 [ 6080.463256][ T10] netlink_unicast+0x449/0x710 [ 6080.463256][ T10] netlink_sendmsg+0x723/0xbe0 [ 6080.463256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6080.463256][ T10] ___sys_sendmsg+0xee/0x170 [ 6080.463256][ T10] __sys_sendmsg+0xcd/0x170 [ 6080.463256][ T10] do_syscall_64+0xc6/0x1e0 [ 6080.463256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6080.463256][ T10] [ 6090.193114][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6090.193589][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6090.193589][ T1167] dst_init+0x84/0x4a0 [ 6090.193589][ T1167] dst_alloc+0x97/0x150 [ 6090.193589][ T1167] ip6_dst_alloc+0x23/0x90 [ 6090.193589][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6090.193589][ T1167] ip6_pol_route+0x56f/0x840 [ 6090.193589][ T1167] fib6_rule_lookup+0x334/0x630 [ 6090.193589][ T1167] ip6_route_output_flags+0x259/0x480 [ 6090.193589][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6090.193589][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6090.193589][ T1167] netlink_rcv_skb+0x130/0x360 [ 6090.193589][ T1167] netlink_unicast+0x449/0x710 [ 6090.193589][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6090.193589][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6090.193589][ T1167] ___sys_sendmsg+0xee/0x170 [ 6090.193589][ T1167] __sys_sendmsg+0xcd/0x170 [ 6090.193589][ T1167] do_syscall_64+0xc6/0x1e0 [ 6090.193589][ T1167] [ 6090.195785][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6090.195785][ T1167] netdev_get_by_index+0x5e/0x80 [ 6090.195785][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6090.195785][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6090.195785][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6090.195785][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6090.195785][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6090.195785][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6090.195785][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6090.195785][ T1167] addrconf_dad_begin+0x310/0x670 [ 6090.195785][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6090.195785][ T1167] process_one_work+0x84d/0x18a0 [ 6090.195785][ T1167] worker_thread+0x587/0xd30 [ 6090.195785][ T1167] kthread+0x28a/0x350 [ 6090.195785][ T1167] ret_from_fork+0x31/0x70 [ 6090.195785][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6090.195785][ T1167] [ 6090.197919][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6090.197919][ T1167] netdev_get_by_index+0x5e/0x80 [ 6090.197919][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6090.197919][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6090.197919][ T1167] ip6_route_add+0x1c/0x140 [ 6090.197919][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6090.197919][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6090.197919][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6090.197919][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.197919][ T1167] netlink_rcv_skb+0x130/0x360 [ 6090.197919][ T1167] netlink_unicast+0x449/0x710 [ 6090.197919][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6090.197919][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6090.197919][ T1167] ___sys_sendmsg+0xee/0x170 [ 6090.197919][ T1167] __sys_sendmsg+0xcd/0x170 [ 6090.197919][ T1167] do_syscall_64+0xc6/0x1e0 [ 6090.197919][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.197919][ T1167] [ 6090.200180][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6090.200180][ T1167] netdev_get_by_index+0x5e/0x80 [ 6090.200180][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6090.200180][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6090.200180][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6090.200180][ T1167] ipv6_add_addr+0x411/0x2000 [ 6090.200180][ T1167] inet6_addr_add+0x30e/0xa40 [ 6090.200180][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6090.200180][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.200180][ T1167] netlink_rcv_skb+0x130/0x360 [ 6090.200180][ T1167] netlink_unicast+0x449/0x710 [ 6090.200180][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6090.200180][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6090.200180][ T1167] ___sys_sendmsg+0xee/0x170 [ 6090.200180][ T1167] __sys_sendmsg+0xcd/0x170 [ 6090.200180][ T1167] do_syscall_64+0xc6/0x1e0 [ 6090.200180][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.200180][ T1167] [ 6090.202419][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6090.202419][ T1167] netdev_get_by_index+0x5e/0x80 [ 6090.202419][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6090.202419][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6090.202419][ T1167] ip6_route_add+0x1c/0x140 [ 6090.202419][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6090.202419][ T1167] addrconf_add_dev+0xe2/0x170 [ 6090.202419][ T1167] inet6_addr_add+0x12f/0xa40 [ 6090.202419][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6090.202419][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.202419][ T1167] netlink_rcv_skb+0x130/0x360 [ 6090.202419][ T1167] netlink_unicast+0x449/0x710 [ 6090.202419][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6090.202419][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6090.202419][ T1167] ___sys_sendmsg+0xee/0x170 [ 6090.202419][ T1167] __sys_sendmsg+0xcd/0x170 [ 6090.202419][ T1167] do_syscall_64+0xc6/0x1e0 [ 6090.202419][ T1167] [ 6090.204618][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6090.204618][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6090.204618][ T1167] ipv6_find_idev+0x102/0x170 [ 6090.204618][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6090.204618][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.204618][ T1167] netlink_rcv_skb+0x130/0x360 [ 6090.204618][ T1167] netlink_unicast+0x449/0x710 [ 6090.204618][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6090.204618][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6090.204618][ T1167] ___sys_sendmsg+0xee/0x170 [ 6090.204618][ T1167] __sys_sendmsg+0xcd/0x170 [ 6090.204618][ T1167] do_syscall_64+0xc6/0x1e0 [ 6090.204618][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.204618][ T1167] [ 6090.206342][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6090.206342][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6090.206342][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6090.206342][ T1167] ipv6_find_idev+0x102/0x170 [ 6090.206342][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6090.206342][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.206342][ T1167] netlink_rcv_skb+0x130/0x360 [ 6090.206342][ T1167] netlink_unicast+0x449/0x710 [ 6090.206342][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6090.206342][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6090.206342][ T1167] ___sys_sendmsg+0xee/0x170 [ 6090.206342][ T1167] __sys_sendmsg+0xcd/0x170 [ 6090.206342][ T1167] do_syscall_64+0xc6/0x1e0 [ 6090.206342][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.206342][ T1167] [ 6090.713066][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6090.713459][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6090.713459][ T10] netdev_get_by_index+0x5e/0x80 [ 6090.713459][ T10] fib6_nh_init+0x3d8/0x1580 [ 6090.713459][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6090.713459][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6090.713459][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6090.713459][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6090.713459][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6090.713459][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6090.713459][ T10] addrconf_dad_begin+0x310/0x670 [ 6090.713459][ T10] addrconf_dad_work+0x10b/0xab0 [ 6090.713459][ T10] process_one_work+0x84d/0x18a0 [ 6090.713459][ T10] worker_thread+0x587/0xd30 [ 6090.713459][ T10] kthread+0x28a/0x350 [ 6090.713459][ T10] ret_from_fork+0x31/0x70 [ 6090.713459][ T10] ret_from_fork_asm+0x1a/0x30 [ 6090.713459][ T10] [ 6090.715397][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6090.715397][ T10] netdev_get_by_index+0x5e/0x80 [ 6090.715397][ T10] fib6_nh_init+0x3d8/0x1580 [ 6090.715397][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6090.715397][ T10] ip6_route_add+0x1c/0x140 [ 6090.715397][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6090.715397][ T10] inet6_addr_add+0x4f8/0xa40 [ 6090.715397][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6090.715397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.715397][ T10] netlink_rcv_skb+0x130/0x360 [ 6090.715397][ T10] netlink_unicast+0x449/0x710 [ 6090.715397][ T10] netlink_sendmsg+0x723/0xbe0 [ 6090.715397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6090.715397][ T10] ___sys_sendmsg+0xee/0x170 [ 6090.715397][ T10] __sys_sendmsg+0xcd/0x170 [ 6090.715397][ T10] do_syscall_64+0xc6/0x1e0 [ 6090.715397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.715397][ T10] [ 6090.717393][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6090.717393][ T10] netdev_get_by_index+0x5e/0x80 [ 6090.717393][ T10] fib6_nh_init+0x3d8/0x1580 [ 6090.717393][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6090.717393][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6090.717393][ T10] ipv6_add_addr+0x411/0x2000 [ 6090.717393][ T10] inet6_addr_add+0x30e/0xa40 [ 6090.717393][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6090.717393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.717393][ T10] netlink_rcv_skb+0x130/0x360 [ 6090.717393][ T10] netlink_unicast+0x449/0x710 [ 6090.717393][ T10] netlink_sendmsg+0x723/0xbe0 [ 6090.717393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6090.717393][ T10] ___sys_sendmsg+0xee/0x170 [ 6090.717393][ T10] __sys_sendmsg+0xcd/0x170 [ 6090.717393][ T10] do_syscall_64+0xc6/0x1e0 [ 6090.717393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.717393][ T10] [ 6090.719422][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6090.719422][ T10] netdev_get_by_index+0x5e/0x80 [ 6090.719422][ T10] fib6_nh_init+0x3d8/0x1580 [ 6090.719422][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6090.719422][ T10] ip6_route_add+0x1c/0x140 [ 6090.719422][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6090.719422][ T10] addrconf_add_dev+0xe2/0x170 [ 6090.719422][ T10] inet6_addr_add+0x12f/0xa40 [ 6090.719422][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6090.719422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.719422][ T10] netlink_rcv_skb+0x130/0x360 [ 6090.719422][ T10] netlink_unicast+0x449/0x710 [ 6090.719422][ T10] netlink_sendmsg+0x723/0xbe0 [ 6090.719422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6090.719422][ T10] ___sys_sendmsg+0xee/0x170 [ 6090.719422][ T10] __sys_sendmsg+0xcd/0x170 [ 6090.719422][ T10] do_syscall_64+0xc6/0x1e0 [ 6090.719422][ T10] [ 6090.721394][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6090.721394][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6090.721394][ T10] ipv6_find_idev+0x102/0x170 [ 6090.721394][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6090.721394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.721394][ T10] netlink_rcv_skb+0x130/0x360 [ 6090.721394][ T10] netlink_unicast+0x449/0x710 [ 6090.721394][ T10] netlink_sendmsg+0x723/0xbe0 [ 6090.721394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6090.721394][ T10] ___sys_sendmsg+0xee/0x170 [ 6090.721394][ T10] __sys_sendmsg+0xcd/0x170 [ 6090.721394][ T10] do_syscall_64+0xc6/0x1e0 [ 6090.721394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.721394][ T10] [ 6090.722940][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6090.722940][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6090.722940][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6090.722940][ T10] ipv6_find_idev+0x102/0x170 [ 6090.722940][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6090.722940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.722940][ T10] netlink_rcv_skb+0x130/0x360 [ 6090.722940][ T10] netlink_unicast+0x449/0x710 [ 6090.722940][ T10] netlink_sendmsg+0x723/0xbe0 [ 6090.722940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6090.722940][ T10] ___sys_sendmsg+0xee/0x170 [ 6090.722940][ T10] __sys_sendmsg+0xcd/0x170 [ 6090.722940][ T10] do_syscall_64+0xc6/0x1e0 [ 6090.722940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.722940][ T10] [ 6090.724631][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6090.724873][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6090.724873][ T10] netdev_get_by_index+0x5e/0x80 [ 6090.724873][ T10] fib6_nh_init+0x3d8/0x1580 [ 6090.724873][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6090.724873][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6090.724873][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6090.724873][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6090.724873][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6090.724873][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6090.724873][ T10] addrconf_dad_begin+0x310/0x670 [ 6090.724873][ T10] addrconf_dad_work+0x10b/0xab0 [ 6090.724873][ T10] process_one_work+0x84d/0x18a0 [ 6090.724873][ T10] worker_thread+0x587/0xd30 [ 6090.724873][ T10] kthread+0x28a/0x350 [ 6090.724873][ T10] ret_from_fork+0x31/0x70 [ 6090.724873][ T10] ret_from_fork_asm+0x1a/0x30 [ 6090.724873][ T10] [ 6090.726789][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6090.726789][ T10] netdev_get_by_index+0x5e/0x80 [ 6090.726789][ T10] fib6_nh_init+0x3d8/0x1580 [ 6090.726789][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6090.726789][ T10] ip6_route_add+0x1c/0x140 [ 6090.726789][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6090.726789][ T10] inet6_addr_add+0x4f8/0xa40 [ 6090.726789][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6090.726789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.726789][ T10] netlink_rcv_skb+0x130/0x360 [ 6090.726789][ T10] netlink_unicast+0x449/0x710 [ 6090.726789][ T10] netlink_sendmsg+0x723/0xbe0 [ 6090.726789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6090.726789][ T10] ___sys_sendmsg+0xee/0x170 [ 6090.726789][ T10] __sys_sendmsg+0xcd/0x170 [ 6090.726789][ T10] do_syscall_64+0xc6/0x1e0 [ 6090.726789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.726789][ T10] [ 6090.728791][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6090.728791][ T10] netdev_get_by_index+0x5e/0x80 [ 6090.728791][ T10] fib6_nh_init+0x3d8/0x1580 [ 6090.728791][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6090.728791][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6090.728791][ T10] ipv6_add_addr+0x411/0x2000 [ 6090.728791][ T10] inet6_addr_add+0x30e/0xa40 [ 6090.728791][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6090.728791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.728791][ T10] netlink_rcv_skb+0x130/0x360 [ 6090.728791][ T10] netlink_unicast+0x449/0x710 [ 6090.728791][ T10] netlink_sendmsg+0x723/0xbe0 [ 6090.728791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6090.728791][ T10] ___sys_sendmsg+0xee/0x170 [ 6090.728791][ T10] __sys_sendmsg+0xcd/0x170 [ 6090.728791][ T10] do_syscall_64+0xc6/0x1e0 [ 6090.728791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.728791][ T10] [ 6090.730803][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6090.730803][ T10] netdev_get_by_index+0x5e/0x80 [ 6090.730803][ T10] fib6_nh_init+0x3d8/0x1580 [ 6090.730803][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6090.730803][ T10] ip6_route_add+0x1c/0x140 [ 6090.730803][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6090.730803][ T10] addrconf_add_dev+0xe2/0x170 [ 6090.730803][ T10] inet6_addr_add+0x12f/0xa40 [ 6090.730803][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6090.730803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.730803][ T10] netlink_rcv_skb+0x130/0x360 [ 6090.730803][ T10] netlink_unicast+0x449/0x710 [ 6090.730803][ T10] netlink_sendmsg+0x723/0xbe0 [ 6090.730803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6090.730803][ T10] ___sys_sendmsg+0xee/0x170 [ 6090.730803][ T10] __sys_sendmsg+0xcd/0x170 [ 6090.730803][ T10] do_syscall_64+0xc6/0x1e0 [ 6090.730803][ T10] [ 6090.732775][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6090.732775][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6090.732775][ T10] ipv6_find_idev+0x102/0x170 [ 6090.732775][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6090.732775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.732775][ T10] netlink_rcv_skb+0x130/0x360 [ 6090.732775][ T10] netlink_unicast+0x449/0x710 [ 6090.732775][ T10] netlink_sendmsg+0x723/0xbe0 [ 6090.732775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6090.732775][ T10] ___sys_sendmsg+0xee/0x170 [ 6090.732775][ T10] __sys_sendmsg+0xcd/0x170 [ 6090.732775][ T10] do_syscall_64+0xc6/0x1e0 [ 6090.732775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.732775][ T10] [ 6090.734321][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6090.734321][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6090.734321][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6090.734321][ T10] ipv6_find_idev+0x102/0x170 [ 6090.734321][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6090.734321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.734321][ T10] netlink_rcv_skb+0x130/0x360 [ 6090.734321][ T10] netlink_unicast+0x449/0x710 [ 6090.734321][ T10] netlink_sendmsg+0x723/0xbe0 [ 6090.734321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6090.734321][ T10] ___sys_sendmsg+0xee/0x170 [ 6090.734321][ T10] __sys_sendmsg+0xcd/0x170 [ 6090.734321][ T10] do_syscall_64+0xc6/0x1e0 [ 6090.734321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.734321][ T10] [ 6090.736006][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6090.736251][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6090.736251][ T10] netdev_get_by_index+0x5e/0x80 [ 6090.736251][ T10] fib6_nh_init+0x3d8/0x1580 [ 6090.736251][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6090.736251][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6090.736251][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6090.736251][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6090.736251][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6090.736251][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6090.736251][ T10] addrconf_dad_begin+0x310/0x670 [ 6090.736251][ T10] addrconf_dad_work+0x10b/0xab0 [ 6090.736251][ T10] process_one_work+0x84d/0x18a0 [ 6090.736251][ T10] worker_thread+0x587/0xd30 [ 6090.736251][ T10] kthread+0x28a/0x350 [ 6090.736251][ T10] ret_from_fork+0x31/0x70 [ 6090.736251][ T10] ret_from_fork_asm+0x1a/0x30 [ 6090.736251][ T10] [ 6090.738161][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6090.738161][ T10] netdev_get_by_index+0x5e/0x80 [ 6090.738161][ T10] fib6_nh_init+0x3d8/0x1580 [ 6090.738161][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6090.738161][ T10] ip6_route_add+0x1c/0x140 [ 6090.738161][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6090.738161][ T10] inet6_addr_add+0x4f8/0xa40 [ 6090.738161][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6090.738161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.738161][ T10] netlink_rcv_skb+0x130/0x360 [ 6090.738161][ T10] netlink_unicast+0x449/0x710 [ 6090.738161][ T10] netlink_sendmsg+0x723/0xbe0 [ 6090.738161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6090.738161][ T10] ___sys_sendmsg+0xee/0x170 [ 6090.738161][ T10] __sys_sendmsg+0xcd/0x170 [ 6090.738161][ T10] do_syscall_64+0xc6/0x1e0 [ 6090.738161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.738161][ T10] [ 6090.740368][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6090.740368][ T10] netdev_get_by_index+0x5e/0x80 [ 6090.740368][ T10] fib6_nh_init+0x3d8/0x1580 [ 6090.740368][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6090.740368][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6090.740368][ T10] ipv6_add_addr+0x411/0x2000 [ 6090.740368][ T10] inet6_addr_add+0x30e/0xa40 [ 6090.740368][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6090.740368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.740368][ T10] netlink_rcv_skb+0x130/0x360 [ 6090.740368][ T10] netlink_unicast+0x449/0x710 [ 6090.740368][ T10] netlink_sendmsg+0x723/0xbe0 [ 6090.740368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6090.740368][ T10] ___sys_sendmsg+0xee/0x170 [ 6090.740368][ T10] __sys_sendmsg+0xcd/0x170 [ 6090.740368][ T10] do_syscall_64+0xc6/0x1e0 [ 6090.740368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.740368][ T10] [ 6090.742557][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6090.742557][ T10] netdev_get_by_index+0x5e/0x80 [ 6090.742557][ T10] fib6_nh_init+0x3d8/0x1580 [ 6090.742557][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6090.742557][ T10] ip6_route_add+0x1c/0x140 [ 6090.742557][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6090.742557][ T10] addrconf_add_dev+0xe2/0x170 [ 6090.742557][ T10] inet6_addr_add+0x12f/0xa40 [ 6090.742557][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6090.742557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.742557][ T10] netlink_rcv_skb+0x130/0x360 [ 6090.742557][ T10] netlink_unicast+0x449/0x710 [ 6090.742557][ T10] netlink_sendmsg+0x723/0xbe0 [ 6090.742557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6090.742557][ T10] ___sys_sendmsg+0xee/0x170 [ 6090.742557][ T10] __sys_sendmsg+0xcd/0x170 [ 6090.742557][ T10] do_syscall_64+0xc6/0x1e0 [ 6090.742557][ T10] [ 6090.744739][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6090.744739][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6090.744739][ T10] ipv6_find_idev+0x102/0x170 [ 6090.744739][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6090.744739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.744739][ T10] netlink_rcv_skb+0x130/0x360 [ 6090.744739][ T10] netlink_unicast+0x449/0x710 [ 6090.744739][ T10] netlink_sendmsg+0x723/0xbe0 [ 6090.744739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6090.744739][ T10] ___sys_sendmsg+0xee/0x170 [ 6090.744739][ T10] __sys_sendmsg+0xcd/0x170 [ 6090.744739][ T10] do_syscall_64+0xc6/0x1e0 [ 6090.744739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.744739][ T10] [ 6090.746458][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6090.746458][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6090.746458][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6090.746458][ T10] ipv6_find_idev+0x102/0x170 [ 6090.746458][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6090.746458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.746458][ T10] netlink_rcv_skb+0x130/0x360 [ 6090.746458][ T10] netlink_unicast+0x449/0x710 [ 6090.746458][ T10] netlink_sendmsg+0x723/0xbe0 [ 6090.746458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6090.746458][ T10] ___sys_sendmsg+0xee/0x170 [ 6090.746458][ T10] __sys_sendmsg+0xcd/0x170 [ 6090.746458][ T10] do_syscall_64+0xc6/0x1e0 [ 6090.746458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.746458][ T10] [ 6090.748379][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6090.748628][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6090.748628][ T10] netdev_get_by_index+0x5e/0x80 [ 6090.748628][ T10] fib6_nh_init+0x3d8/0x1580 [ 6090.748628][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6090.748628][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6090.748628][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6090.748628][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6090.748628][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6090.748628][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6090.748628][ T10] addrconf_dad_begin+0x310/0x670 [ 6090.748628][ T10] addrconf_dad_work+0x10b/0xab0 [ 6090.748628][ T10] process_one_work+0x84d/0x18a0 [ 6090.748628][ T10] worker_thread+0x587/0xd30 [ 6090.748628][ T10] kthread+0x28a/0x350 [ 6090.748628][ T10] ret_from_fork+0x31/0x70 [ 6090.748628][ T10] ret_from_fork_asm+0x1a/0x30 [ 6090.748628][ T10] [ 6090.750801][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6090.750801][ T10] netdev_get_by_index+0x5e/0x80 [ 6090.750801][ T10] fib6_nh_init+0x3d8/0x1580 [ 6090.750801][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6090.750801][ T10] ip6_route_add+0x1c/0x140 [ 6090.750801][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6090.750801][ T10] inet6_addr_add+0x4f8/0xa40 [ 6090.750801][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6090.750801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.750801][ T10] netlink_rcv_skb+0x130/0x360 [ 6090.750801][ T10] netlink_unicast+0x449/0x710 [ 6090.750801][ T10] netlink_sendmsg+0x723/0xbe0 [ 6090.750801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6090.750801][ T10] ___sys_sendmsg+0xee/0x170 [ 6090.750801][ T10] __sys_sendmsg+0xcd/0x170 [ 6090.750801][ T10] do_syscall_64+0xc6/0x1e0 [ 6090.750801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.750801][ T10] [ 6090.753048][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6090.753048][ T10] netdev_get_by_index+0x5e/0x80 [ 6090.753048][ T10] fib6_nh_init+0x3d8/0x1580 [ 6090.753048][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6090.753048][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6090.753048][ T10] ipv6_add_addr+0x411/0x2000 [ 6090.753048][ T10] inet6_addr_add+0x30e/0xa40 [ 6090.753048][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6090.753048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.753048][ T10] netlink_rcv_skb+0x130/0x360 [ 6090.753048][ T10] netlink_unicast+0x449/0x710 [ 6090.753048][ T10] netlink_sendmsg+0x723/0xbe0 [ 6090.753048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6090.753048][ T10] ___sys_sendmsg+0xee/0x170 [ 6090.753048][ T10] __sys_sendmsg+0xcd/0x170 [ 6090.753048][ T10] do_syscall_64+0xc6/0x1e0 [ 6090.753048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.753048][ T10] [ 6090.755292][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6090.755292][ T10] netdev_get_by_index+0x5e/0x80 [ 6090.755292][ T10] fib6_nh_init+0x3d8/0x1580 [ 6090.755292][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6090.755292][ T10] ip6_route_add+0x1c/0x140 [ 6090.755292][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6090.755292][ T10] addrconf_add_dev+0xe2/0x170 [ 6090.755292][ T10] inet6_addr_add+0x12f/0xa40 [ 6090.755292][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6090.755292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.755292][ T10] netlink_rcv_skb+0x130/0x360 [ 6090.755292][ T10] netlink_unicast+0x449/0x710 [ 6090.755292][ T10] netlink_sendmsg+0x723/0xbe0 [ 6090.755292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6090.755292][ T10] ___sys_sendmsg+0xee/0x170 [ 6090.755292][ T10] __sys_sendmsg+0xcd/0x170 [ 6090.755292][ T10] do_syscall_64+0xc6/0x1e0 [ 6090.755292][ T10] [ 6090.757523][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6090.757523][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6090.757523][ T10] ipv6_find_idev+0x102/0x170 [ 6090.757523][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6090.757523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.757523][ T10] netlink_rcv_skb+0x130/0x360 [ 6090.757523][ T10] netlink_unicast+0x449/0x710 [ 6090.757523][ T10] netlink_sendmsg+0x723/0xbe0 [ 6090.757523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6090.757523][ T10] ___sys_sendmsg+0xee/0x170 [ 6090.757523][ T10] __sys_sendmsg+0xcd/0x170 [ 6090.757523][ T10] do_syscall_64+0xc6/0x1e0 [ 6090.757523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.757523][ T10] [ 6090.759242][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6090.759242][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6090.759242][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6090.759242][ T10] ipv6_find_idev+0x102/0x170 [ 6090.759242][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6090.759242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.759242][ T10] netlink_rcv_skb+0x130/0x360 [ 6090.759242][ T10] netlink_unicast+0x449/0x710 [ 6090.759242][ T10] netlink_sendmsg+0x723/0xbe0 [ 6090.759242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6090.759242][ T10] ___sys_sendmsg+0xee/0x170 [ 6090.759242][ T10] __sys_sendmsg+0xcd/0x170 [ 6090.759242][ T10] do_syscall_64+0xc6/0x1e0 [ 6090.759242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.759242][ T10] [ 6100.233043][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6100.233509][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6100.233509][ T1167] dst_init+0x84/0x4a0 [ 6100.233509][ T1167] dst_alloc+0x97/0x150 [ 6100.233509][ T1167] ip6_dst_alloc+0x23/0x90 [ 6100.233509][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6100.233509][ T1167] ip6_pol_route+0x56f/0x840 [ 6100.233509][ T1167] fib6_rule_lookup+0x334/0x630 [ 6100.233509][ T1167] ip6_route_output_flags+0x259/0x480 [ 6100.233509][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6100.233509][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6100.233509][ T1167] netlink_rcv_skb+0x130/0x360 [ 6100.233509][ T1167] netlink_unicast+0x449/0x710 [ 6100.233509][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6100.233509][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6100.233509][ T1167] ___sys_sendmsg+0xee/0x170 [ 6100.233509][ T1167] __sys_sendmsg+0xcd/0x170 [ 6100.233509][ T1167] do_syscall_64+0xc6/0x1e0 [ 6100.233509][ T1167] [ 6100.235698][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6100.235698][ T1167] netdev_get_by_index+0x5e/0x80 [ 6100.235698][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6100.235698][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6100.235698][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6100.235698][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6100.235698][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6100.235698][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6100.235698][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6100.235698][ T1167] addrconf_dad_begin+0x310/0x670 [ 6100.235698][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6100.235698][ T1167] process_one_work+0x84d/0x18a0 [ 6100.235698][ T1167] worker_thread+0x587/0xd30 [ 6100.235698][ T1167] kthread+0x28a/0x350 [ 6100.235698][ T1167] ret_from_fork+0x31/0x70 [ 6100.235698][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6100.235698][ T1167] [ 6100.237827][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6100.237827][ T1167] netdev_get_by_index+0x5e/0x80 [ 6100.237827][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6100.237827][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6100.237827][ T1167] ip6_route_add+0x1c/0x140 [ 6100.237827][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6100.237827][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6100.237827][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6100.237827][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.237827][ T1167] netlink_rcv_skb+0x130/0x360 [ 6100.237827][ T1167] netlink_unicast+0x449/0x710 [ 6100.237827][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6100.237827][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6100.237827][ T1167] ___sys_sendmsg+0xee/0x170 [ 6100.237827][ T1167] __sys_sendmsg+0xcd/0x170 [ 6100.237827][ T1167] do_syscall_64+0xc6/0x1e0 [ 6100.237827][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6100.237827][ T1167] [ 6100.240057][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6100.240057][ T1167] netdev_get_by_index+0x5e/0x80 [ 6100.240057][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6100.240057][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6100.240057][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6100.240057][ T1167] ipv6_add_addr+0x411/0x2000 [ 6100.240057][ T1167] inet6_addr_add+0x30e/0xa40 [ 6100.240057][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6100.240057][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.240057][ T1167] netlink_rcv_skb+0x130/0x360 [ 6100.240057][ T1167] netlink_unicast+0x449/0x710 [ 6100.240057][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6100.240057][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6100.240057][ T1167] ___sys_sendmsg+0xee/0x170 [ 6100.240057][ T1167] __sys_sendmsg+0xcd/0x170 [ 6100.240057][ T1167] do_syscall_64+0xc6/0x1e0 [ 6100.240057][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6100.240057][ T1167] [ 6100.242278][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6100.242278][ T1167] netdev_get_by_index+0x5e/0x80 [ 6100.242278][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6100.242278][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6100.242278][ T1167] ip6_route_add+0x1c/0x140 [ 6100.242278][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6100.242278][ T1167] addrconf_add_dev+0xe2/0x170 [ 6100.242278][ T1167] inet6_addr_add+0x12f/0xa40 [ 6100.242278][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6100.242278][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.242278][ T1167] netlink_rcv_skb+0x130/0x360 [ 6100.242278][ T1167] netlink_unicast+0x449/0x710 [ 6100.242278][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6100.242278][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6100.242278][ T1167] ___sys_sendmsg+0xee/0x170 [ 6100.242278][ T1167] __sys_sendmsg+0xcd/0x170 [ 6100.242278][ T1167] do_syscall_64+0xc6/0x1e0 [ 6100.242278][ T1167] [ 6100.244464][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6100.244464][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6100.244464][ T1167] ipv6_find_idev+0x102/0x170 [ 6100.244464][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6100.244464][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.244464][ T1167] netlink_rcv_skb+0x130/0x360 [ 6100.244464][ T1167] netlink_unicast+0x449/0x710 [ 6100.244464][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6100.244464][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6100.244464][ T1167] ___sys_sendmsg+0xee/0x170 [ 6100.244464][ T1167] __sys_sendmsg+0xcd/0x170 [ 6100.244464][ T1167] do_syscall_64+0xc6/0x1e0 [ 6100.244464][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6100.244464][ T1167] [ 6100.246186][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6100.246186][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6100.246186][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6100.246186][ T1167] ipv6_find_idev+0x102/0x170 [ 6100.246186][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6100.246186][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.246186][ T1167] netlink_rcv_skb+0x130/0x360 [ 6100.246186][ T1167] netlink_unicast+0x449/0x710 [ 6100.246186][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6100.246186][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6100.246186][ T1167] ___sys_sendmsg+0xee/0x170 [ 6100.246186][ T1167] __sys_sendmsg+0xcd/0x170 [ 6100.246186][ T1167] do_syscall_64+0xc6/0x1e0 [ 6100.246186][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6100.246186][ T1167] [ 6101.009078][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6101.009510][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6101.009510][ T10] netdev_get_by_index+0x5e/0x80 [ 6101.009510][ T10] fib6_nh_init+0x3d8/0x1580 [ 6101.009510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6101.009510][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6101.009510][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6101.009510][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6101.009510][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6101.009510][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6101.009510][ T10] addrconf_dad_begin+0x310/0x670 [ 6101.009510][ T10] addrconf_dad_work+0x10b/0xab0 [ 6101.009510][ T10] process_one_work+0x84d/0x18a0 [ 6101.009510][ T10] worker_thread+0x587/0xd30 [ 6101.009510][ T10] kthread+0x28a/0x350 [ 6101.009510][ T10] ret_from_fork+0x31/0x70 [ 6101.009510][ T10] ret_from_fork_asm+0x1a/0x30 [ 6101.009510][ T10] [ 6101.011452][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6101.011452][ T10] netdev_get_by_index+0x5e/0x80 [ 6101.011452][ T10] fib6_nh_init+0x3d8/0x1580 [ 6101.011452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6101.011452][ T10] ip6_route_add+0x1c/0x140 [ 6101.011452][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6101.011452][ T10] inet6_addr_add+0x4f8/0xa40 [ 6101.011452][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6101.011452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6101.011452][ T10] netlink_rcv_skb+0x130/0x360 [ 6101.011452][ T10] netlink_unicast+0x449/0x710 [ 6101.011452][ T10] netlink_sendmsg+0x723/0xbe0 [ 6101.011452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6101.011452][ T10] ___sys_sendmsg+0xee/0x170 [ 6101.011452][ T10] __sys_sendmsg+0xcd/0x170 [ 6101.011452][ T10] do_syscall_64+0xc6/0x1e0 [ 6101.011452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6101.011452][ T10] [ 6101.013470][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6101.013470][ T10] netdev_get_by_index+0x5e/0x80 [ 6101.013470][ T10] fib6_nh_init+0x3d8/0x1580 [ 6101.013470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6101.013470][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6101.013470][ T10] ipv6_add_addr+0x411/0x2000 [ 6101.013470][ T10] inet6_addr_add+0x30e/0xa40 [ 6101.013470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6101.013470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6101.013470][ T10] netlink_rcv_skb+0x130/0x360 [ 6101.013470][ T10] netlink_unicast+0x449/0x710 [ 6101.013470][ T10] netlink_sendmsg+0x723/0xbe0 [ 6101.013470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6101.013470][ T10] ___sys_sendmsg+0xee/0x170 [ 6101.013470][ T10] __sys_sendmsg+0xcd/0x170 [ 6101.013470][ T10] do_syscall_64+0xc6/0x1e0 [ 6101.013470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6101.013470][ T10] [ 6101.015474][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6101.015474][ T10] netdev_get_by_index+0x5e/0x80 [ 6101.015474][ T10] fib6_nh_init+0x3d8/0x1580 [ 6101.015474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6101.015474][ T10] ip6_route_add+0x1c/0x140 [ 6101.015474][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6101.015474][ T10] addrconf_add_dev+0xe2/0x170 [ 6101.015474][ T10] inet6_addr_add+0x12f/0xa40 [ 6101.015474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6101.015474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6101.015474][ T10] netlink_rcv_skb+0x130/0x360 [ 6101.015474][ T10] netlink_unicast+0x449/0x710 [ 6101.015474][ T10] netlink_sendmsg+0x723/0xbe0 [ 6101.015474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6101.015474][ T10] ___sys_sendmsg+0xee/0x170 [ 6101.015474][ T10] __sys_sendmsg+0xcd/0x170 [ 6101.015474][ T10] do_syscall_64+0xc6/0x1e0 [ 6101.015474][ T10] [ 6101.017441][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6101.017441][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6101.017441][ T10] ipv6_find_idev+0x102/0x170 [ 6101.017441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6101.017441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6101.017441][ T10] netlink_rcv_skb+0x130/0x360 [ 6101.017441][ T10] netlink_unicast+0x449/0x710 [ 6101.017441][ T10] netlink_sendmsg+0x723/0xbe0 [ 6101.017441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6101.017441][ T10] ___sys_sendmsg+0xee/0x170 [ 6101.017441][ T10] __sys_sendmsg+0xcd/0x170 [ 6101.017441][ T10] do_syscall_64+0xc6/0x1e0 [ 6101.017441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6101.017441][ T10] [ 6101.019080][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6101.019080][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6101.019080][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6101.019080][ T10] ipv6_find_idev+0x102/0x170 [ 6101.019080][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6101.019080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6101.019080][ T10] netlink_rcv_skb+0x130/0x360 [ 6101.019080][ T10] netlink_unicast+0x449/0x710 [ 6101.019080][ T10] netlink_sendmsg+0x723/0xbe0 [ 6101.019080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6101.019080][ T10] ___sys_sendmsg+0xee/0x170 [ 6101.019080][ T10] __sys_sendmsg+0xcd/0x170 [ 6101.019080][ T10] do_syscall_64+0xc6/0x1e0 [ 6101.019080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6101.019080][ T10] [ 6101.020803][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6101.021071][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6101.021071][ T10] netdev_get_by_index+0x5e/0x80 [ 6101.021071][ T10] fib6_nh_init+0x3d8/0x1580 [ 6101.021071][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6101.021071][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6101.021071][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6101.021071][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6101.021071][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6101.021071][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6101.021071][ T10] addrconf_dad_begin+0x310/0x670 [ 6101.021071][ T10] addrconf_dad_work+0x10b/0xab0 [ 6101.021071][ T10] process_one_work+0x84d/0x18a0 [ 6101.021071][ T10] worker_thread+0x587/0xd30 [ 6101.021071][ T10] kthread+0x28a/0x350 [ 6101.021071][ T10] ret_from_fork+0x31/0x70 [ 6101.021071][ T10] ret_from_fork_asm+0x1a/0x30 [ 6101.021071][ T10] [ 6101.023001][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6101.023001][ T10] netdev_get_by_index+0x5e/0x80 [ 6101.023001][ T10] fib6_nh_init+0x3d8/0x1580 [ 6101.023001][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6101.023001][ T10] ip6_route_add+0x1c/0x140 [ 6101.023001][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6101.023001][ T10] inet6_addr_add+0x4f8/0xa40 [ 6101.023001][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6101.023001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6101.023001][ T10] netlink_rcv_skb+0x130/0x360 [ 6101.023001][ T10] netlink_unicast+0x449/0x710 [ 6101.023001][ T10] netlink_sendmsg+0x723/0xbe0 [ 6101.023001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6101.023001][ T10] ___sys_sendmsg+0xee/0x170 [ 6101.023001][ T10] __sys_sendmsg+0xcd/0x170 [ 6101.023001][ T10] do_syscall_64+0xc6/0x1e0 [ 6101.023001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6101.023001][ T10] [ 6101.025534][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6101.025534][ T10] netdev_get_by_index+0x5e/0x80 [ 6101.025534][ T10] fib6_nh_init+0x3d8/0x1580 [ 6101.025534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6101.025534][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6101.025534][ T10] ipv6_add_addr+0x411/0x2000 [ 6101.025534][ T10] inet6_addr_add+0x30e/0xa40 [ 6101.025534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6101.025534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6101.025534][ T10] netlink_rcv_skb+0x130/0x360 [ 6101.025534][ T10] netlink_unicast+0x449/0x710 [ 6101.025534][ T10] netlink_sendmsg+0x723/0xbe0 [ 6101.025534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6101.025534][ T10] ___sys_sendmsg+0xee/0x170 [ 6101.025534][ T10] __sys_sendmsg+0xcd/0x170 [ 6101.025534][ T10] do_syscall_64+0xc6/0x1e0 [ 6101.025534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6101.025534][ T10] [ 6101.027536][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6101.027536][ T10] netdev_get_by_index+0x5e/0x80 [ 6101.027536][ T10] fib6_nh_init+0x3d8/0x1580 [ 6101.027536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6101.027536][ T10] ip6_route_add+0x1c/0x140 [ 6101.027536][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6101.027536][ T10] addrconf_add_dev+0xe2/0x170 [ 6101.027536][ T10] inet6_addr_add+0x12f/0xa40 [ 6101.027536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6101.027536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6101.027536][ T10] netlink_rcv_skb+0x130/0x360 [ 6101.027536][ T10] netlink_unicast+0x449/0x710 [ 6101.027536][ T10] netlink_sendmsg+0x723/0xbe0 [ 6101.027536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6101.027536][ T10] ___sys_sendmsg+0xee/0x170 [ 6101.027536][ T10] __sys_sendmsg+0xcd/0x170 [ 6101.027536][ T10] do_syscall_64+0xc6/0x1e0 [ 6101.027536][ T10] [ 6101.029522][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6101.029522][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6101.029522][ T10] ipv6_find_idev+0x102/0x170 [ 6101.029522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6101.029522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6101.029522][ T10] netlink_rcv_skb+0x130/0x360 [ 6101.029522][ T10] netlink_unicast+0x449/0x710 [ 6101.029522][ T10] netlink_sendmsg+0x723/0xbe0 [ 6101.029522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6101.029522][ T10] ___sys_sendmsg+0xee/0x170 [ 6101.029522][ T10] __sys_sendmsg+0xcd/0x170 [ 6101.029522][ T10] do_syscall_64+0xc6/0x1e0 [ 6101.029522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6101.029522][ T10] [ 6101.031452][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6101.031452][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6101.031452][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6101.031452][ T10] ipv6_find_idev+0x102/0x170 [ 6101.031452][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6101.031452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6101.031452][ T10] netlink_rcv_skb+0x130/0x360 [ 6101.031452][ T10] netlink_unicast+0x449/0x710 [ 6101.031452][ T10] netlink_sendmsg+0x723/0xbe0 [ 6101.031452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6101.031452][ T10] ___sys_sendmsg+0xee/0x170 [ 6101.031452][ T10] __sys_sendmsg+0xcd/0x170 [ 6101.031452][ T10] do_syscall_64+0xc6/0x1e0 [ 6101.031452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6101.031452][ T10] [ 6101.033129][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6101.033368][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6101.033368][ T10] netdev_get_by_index+0x5e/0x80 [ 6101.033368][ T10] fib6_nh_init+0x3d8/0x1580 [ 6101.033368][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6101.033368][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6101.033368][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6101.033368][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6101.033368][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6101.033368][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6101.033368][ T10] addrconf_dad_begin+0x310/0x670 [ 6101.033368][ T10] addrconf_dad_work+0x10b/0xab0 [ 6101.033368][ T10] process_one_work+0x84d/0x18a0 [ 6101.033368][ T10] worker_thread+0x587/0xd30 [ 6101.033368][ T10] kthread+0x28a/0x350 [ 6101.033368][ T10] ret_from_fork+0x31/0x70 [ 6101.033368][ T10] ret_from_fork_asm+0x1a/0x30 [ 6101.033368][ T10] [ 6101.035278][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6101.035278][ T10] netdev_get_by_index+0x5e/0x80 [ 6101.035278][ T10] fib6_nh_init+0x3d8/0x1580 [ 6101.035278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6101.035278][ T10] ip6_route_add+0x1c/0x140 [ 6101.035278][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6101.035278][ T10] inet6_addr_add+0x4f8/0xa40 [ 6101.035278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6101.035278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6101.035278][ T10] netlink_rcv_skb+0x130/0x360 [ 6101.035278][ T10] netlink_unicast+0x449/0x710 [ 6101.035278][ T10] netlink_sendmsg+0x723/0xbe0 [ 6101.035278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6101.035278][ T10] ___sys_sendmsg+0xee/0x170 [ 6101.035278][ T10] __sys_sendmsg+0xcd/0x170 [ 6101.035278][ T10] do_syscall_64+0xc6/0x1e0 [ 6101.035278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6101.035278][ T10] [ 6101.037469][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6101.037469][ T10] netdev_get_by_index+0x5e/0x80 [ 6101.037469][ T10] fib6_nh_init+0x3d8/0x1580 [ 6101.037469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6101.037469][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6101.037469][ T10] ipv6_add_addr+0x411/0x2000 [ 6101.037469][ T10] inet6_addr_add+0x30e/0xa40 [ 6101.037469][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6101.037469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6101.037469][ T10] netlink_rcv_skb+0x130/0x360 [ 6101.037469][ T10] netlink_unicast+0x449/0x710 [ 6101.037469][ T10] netlink_sendmsg+0x723/0xbe0 [ 6101.037469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6101.037469][ T10] ___sys_sendmsg+0xee/0x170 [ 6101.037469][ T10] __sys_sendmsg+0xcd/0x170 [ 6101.037469][ T10] do_syscall_64+0xc6/0x1e0 [ 6101.037469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6101.037469][ T10] [ 6101.039559][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6101.039559][ T10] netdev_get_by_index+0x5e/0x80 [ 6101.039559][ T10] fib6_nh_init+0x3d8/0x1580 [ 6101.039559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6101.039559][ T10] ip6_route_add+0x1c/0x140 [ 6101.039559][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6101.039559][ T10] addrconf_add_dev+0xe2/0x170 [ 6101.039559][ T10] inet6_addr_add+0x12f/0xa40 [ 6101.039559][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6101.039559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6101.039559][ T10] netlink_rcv_skb+0x130/0x360 [ 6101.039559][ T10] netlink_unicast+0x449/0x710 [ 6101.039559][ T10] netlink_sendmsg+0x723/0xbe0 [ 6101.039559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6101.039559][ T10] ___sys_sendmsg+0xee/0x170 [ 6101.039559][ T10] __sys_sendmsg+0xcd/0x170 [ 6101.039559][ T10] do_syscall_64+0xc6/0x1e0 [ 6101.039559][ T10] [ 6101.041695][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6101.041695][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6101.041695][ T10] ipv6_find_idev+0x102/0x170 [ 6101.041695][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6101.041695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6101.041695][ T10] netlink_rcv_skb+0x130/0x360 [ 6101.041695][ T10] netlink_unicast+0x449/0x710 [ 6101.041695][ T10] netlink_sendmsg+0x723/0xbe0 [ 6101.041695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6101.041695][ T10] ___sys_sendmsg+0xee/0x170 [ 6101.041695][ T10] __sys_sendmsg+0xcd/0x170 [ 6101.041695][ T10] do_syscall_64+0xc6/0x1e0 [ 6101.041695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6101.041695][ T10] [ 6101.043394][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6101.043394][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6101.043394][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6101.043394][ T10] ipv6_find_idev+0x102/0x170 [ 6101.043394][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6101.043394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6101.043394][ T10] netlink_rcv_skb+0x130/0x360 [ 6101.043394][ T10] netlink_unicast+0x449/0x710 [ 6101.043394][ T10] netlink_sendmsg+0x723/0xbe0 [ 6101.043394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6101.043394][ T10] ___sys_sendmsg+0xee/0x170 [ 6101.043394][ T10] __sys_sendmsg+0xcd/0x170 [ 6101.043394][ T10] do_syscall_64+0xc6/0x1e0 [ 6101.043394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6101.043394][ T10] [ 6101.045545][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6101.045784][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6101.045784][ T10] netdev_get_by_index+0x5e/0x80 [ 6101.045784][ T10] fib6_nh_init+0x3d8/0x1580 [ 6101.045784][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6101.045784][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6101.045784][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6101.045784][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6101.045784][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6101.045784][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6101.045784][ T10] addrconf_dad_begin+0x310/0x670 [ 6101.045784][ T10] addrconf_dad_work+0x10b/0xab0 [ 6101.045784][ T10] process_one_work+0x84d/0x18a0 [ 6101.045784][ T10] worker_thread+0x587/0xd30 [ 6101.045784][ T10] kthread+0x28a/0x350 [ 6101.045784][ T10] ret_from_fork+0x31/0x70 [ 6101.045784][ T10] ret_from_fork_asm+0x1a/0x30 [ 6101.045784][ T10] [ 6101.050853][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6101.050853][ T10] netdev_get_by_index+0x5e/0x80 [ 6101.050853][ T10] fib6_nh_init+0x3d8/0x1580 [ 6101.050853][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6101.050853][ T10] ip6_route_add+0x1c/0x140 [ 6101.050853][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6101.050853][ T10] inet6_addr_add+0x4f8/0xa40 [ 6101.050853][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6101.050853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6101.050853][ T10] netlink_rcv_skb+0x130/0x360 [ 6101.050853][ T10] netlink_unicast+0x449/0x710 [ 6101.050853][ T10] netlink_sendmsg+0x723/0xbe0 [ 6101.050853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6101.050853][ T10] ___sys_sendmsg+0xee/0x170 [ 6101.050853][ T10] __sys_sendmsg+0xcd/0x170 [ 6101.050853][ T10] do_syscall_64+0xc6/0x1e0 [ 6101.050853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6101.050853][ T10] [ 6101.052933][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6101.052933][ T10] netdev_get_by_index+0x5e/0x80 [ 6101.052933][ T10] fib6_nh_init+0x3d8/0x1580 [ 6101.052933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6101.052933][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6101.052933][ T10] ipv6_add_addr+0x411/0x2000 [ 6101.052933][ T10] inet6_addr_add+0x30e/0xa40 [ 6101.052933][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6101.052933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6101.052933][ T10] netlink_rcv_skb+0x130/0x360 [ 6101.052933][ T10] netlink_unicast+0x449/0x710 [ 6101.052933][ T10] netlink_sendmsg+0x723/0xbe0 [ 6101.052933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6101.052933][ T10] ___sys_sendmsg+0xee/0x170 [ 6101.052933][ T10] __sys_sendmsg+0xcd/0x170 [ 6101.052933][ T10] do_syscall_64+0xc6/0x1e0 [ 6101.052933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6101.052933][ T10] [ 6101.055091][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6101.055091][ T10] netdev_get_by_index+0x5e/0x80 [ 6101.055091][ T10] fib6_nh_init+0x3d8/0x1580 [ 6101.055091][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6101.055091][ T10] ip6_route_add+0x1c/0x140 [ 6101.055091][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6101.055091][ T10] addrconf_add_dev+0xe2/0x170 [ 6101.055091][ T10] inet6_addr_add+0x12f/0xa40 [ 6101.055091][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6101.055091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6101.055091][ T10] netlink_rcv_skb+0x130/0x360 [ 6101.055091][ T10] netlink_unicast+0x449/0x710 [ 6101.055091][ T10] netlink_sendmsg+0x723/0xbe0 [ 6101.055091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6101.055091][ T10] ___sys_sendmsg+0xee/0x170 [ 6101.055091][ T10] __sys_sendmsg+0xcd/0x170 [ 6101.055091][ T10] do_syscall_64+0xc6/0x1e0 [ 6101.055091][ T10] [ 6101.057214][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6101.057214][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6101.057214][ T10] ipv6_find_idev+0x102/0x170 [ 6101.057214][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6101.057214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6101.057214][ T10] netlink_rcv_skb+0x130/0x360 [ 6101.057214][ T10] netlink_unicast+0x449/0x710 [ 6101.057214][ T10] netlink_sendmsg+0x723/0xbe0 [ 6101.057214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6101.057214][ T10] ___sys_sendmsg+0xee/0x170 [ 6101.057214][ T10] __sys_sendmsg+0xcd/0x170 [ 6101.057214][ T10] do_syscall_64+0xc6/0x1e0 [ 6101.057214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6101.057214][ T10] [ 6101.058896][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6101.058896][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6101.058896][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6101.058896][ T10] ipv6_find_idev+0x102/0x170 [ 6101.058896][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6101.058896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6101.058896][ T10] netlink_rcv_skb+0x130/0x360 [ 6101.058896][ T10] netlink_unicast+0x449/0x710 [ 6101.058896][ T10] netlink_sendmsg+0x723/0xbe0 [ 6101.058896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6101.058896][ T10] ___sys_sendmsg+0xee/0x170 [ 6101.058896][ T10] __sys_sendmsg+0xcd/0x170 [ 6101.058896][ T10] do_syscall_64+0xc6/0x1e0 [ 6101.058896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6101.058896][ T10] [ 6110.433184][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6110.433649][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6110.433649][ T1167] dst_init+0x84/0x4a0 [ 6110.433649][ T1167] dst_alloc+0x97/0x150 [ 6110.433649][ T1167] ip6_dst_alloc+0x23/0x90 [ 6110.433649][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6110.433649][ T1167] ip6_pol_route+0x56f/0x840 [ 6110.433649][ T1167] fib6_rule_lookup+0x334/0x630 [ 6110.433649][ T1167] ip6_route_output_flags+0x259/0x480 [ 6110.433649][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6110.433649][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6110.433649][ T1167] netlink_rcv_skb+0x130/0x360 [ 6110.433649][ T1167] netlink_unicast+0x449/0x710 [ 6110.433649][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6110.433649][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6110.433649][ T1167] ___sys_sendmsg+0xee/0x170 [ 6110.433649][ T1167] __sys_sendmsg+0xcd/0x170 [ 6110.433649][ T1167] do_syscall_64+0xc6/0x1e0 [ 6110.433649][ T1167] [ 6110.435838][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6110.435838][ T1167] netdev_get_by_index+0x5e/0x80 [ 6110.435838][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6110.435838][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6110.435838][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6110.435838][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6110.435838][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6110.435838][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6110.435838][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6110.435838][ T1167] addrconf_dad_begin+0x310/0x670 [ 6110.435838][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6110.435838][ T1167] process_one_work+0x84d/0x18a0 [ 6110.435838][ T1167] worker_thread+0x587/0xd30 [ 6110.435838][ T1167] kthread+0x28a/0x350 [ 6110.435838][ T1167] ret_from_fork+0x31/0x70 [ 6110.435838][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6110.435838][ T1167] [ 6110.437963][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6110.437963][ T1167] netdev_get_by_index+0x5e/0x80 [ 6110.437963][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6110.437963][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6110.437963][ T1167] ip6_route_add+0x1c/0x140 [ 6110.437963][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6110.437963][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6110.437963][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6110.437963][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.437963][ T1167] netlink_rcv_skb+0x130/0x360 [ 6110.437963][ T1167] netlink_unicast+0x449/0x710 [ 6110.437963][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6110.437963][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6110.437963][ T1167] ___sys_sendmsg+0xee/0x170 [ 6110.437963][ T1167] __sys_sendmsg+0xcd/0x170 [ 6110.437963][ T1167] do_syscall_64+0xc6/0x1e0 [ 6110.437963][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6110.437963][ T1167] [ 6110.440201][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6110.440201][ T1167] netdev_get_by_index+0x5e/0x80 [ 6110.440201][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6110.440201][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6110.440201][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6110.440201][ T1167] ipv6_add_addr+0x411/0x2000 [ 6110.440201][ T1167] inet6_addr_add+0x30e/0xa40 [ 6110.440201][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6110.440201][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.440201][ T1167] netlink_rcv_skb+0x130/0x360 [ 6110.440201][ T1167] netlink_unicast+0x449/0x710 [ 6110.440201][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6110.440201][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6110.440201][ T1167] ___sys_sendmsg+0xee/0x170 [ 6110.440201][ T1167] __sys_sendmsg+0xcd/0x170 [ 6110.440201][ T1167] do_syscall_64+0xc6/0x1e0 [ 6110.440201][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6110.440201][ T1167] [ 6110.442424][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6110.442424][ T1167] netdev_get_by_index+0x5e/0x80 [ 6110.442424][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6110.442424][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6110.442424][ T1167] ip6_route_add+0x1c/0x140 [ 6110.442424][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6110.442424][ T1167] addrconf_add_dev+0xe2/0x170 [ 6110.442424][ T1167] inet6_addr_add+0x12f/0xa40 [ 6110.442424][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6110.442424][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.442424][ T1167] netlink_rcv_skb+0x130/0x360 [ 6110.442424][ T1167] netlink_unicast+0x449/0x710 [ 6110.442424][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6110.442424][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6110.442424][ T1167] ___sys_sendmsg+0xee/0x170 [ 6110.442424][ T1167] __sys_sendmsg+0xcd/0x170 [ 6110.442424][ T1167] do_syscall_64+0xc6/0x1e0 [ 6110.442424][ T1167] [ 6110.444613][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6110.444613][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6110.444613][ T1167] ipv6_find_idev+0x102/0x170 [ 6110.444613][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6110.444613][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.444613][ T1167] netlink_rcv_skb+0x130/0x360 [ 6110.444613][ T1167] netlink_unicast+0x449/0x710 [ 6110.444613][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6110.444613][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6110.444613][ T1167] ___sys_sendmsg+0xee/0x170 [ 6110.444613][ T1167] __sys_sendmsg+0xcd/0x170 [ 6110.444613][ T1167] do_syscall_64+0xc6/0x1e0 [ 6110.444613][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6110.444613][ T1167] [ 6110.446325][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6110.446325][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6110.446325][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6110.446325][ T1167] ipv6_find_idev+0x102/0x170 [ 6110.446325][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6110.446325][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.446325][ T1167] netlink_rcv_skb+0x130/0x360 [ 6110.446325][ T1167] netlink_unicast+0x449/0x710 [ 6110.446325][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6110.446325][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6110.446325][ T1167] ___sys_sendmsg+0xee/0x170 [ 6110.446325][ T1167] __sys_sendmsg+0xcd/0x170 [ 6110.446325][ T1167] do_syscall_64+0xc6/0x1e0 [ 6110.446325][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6110.446325][ T1167] [ 6111.201127][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6111.201547][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6111.201547][ T10] netdev_get_by_index+0x5e/0x80 [ 6111.201547][ T10] fib6_nh_init+0x3d8/0x1580 [ 6111.201547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6111.201547][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6111.201547][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6111.201547][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6111.201547][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6111.201547][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6111.201547][ T10] addrconf_dad_begin+0x310/0x670 [ 6111.201547][ T10] addrconf_dad_work+0x10b/0xab0 [ 6111.201547][ T10] process_one_work+0x84d/0x18a0 [ 6111.201547][ T10] worker_thread+0x587/0xd30 [ 6111.201547][ T10] kthread+0x28a/0x350 [ 6111.201547][ T10] ret_from_fork+0x31/0x70 [ 6111.201547][ T10] ret_from_fork_asm+0x1a/0x30 [ 6111.201547][ T10] [ 6111.203487][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6111.203487][ T10] netdev_get_by_index+0x5e/0x80 [ 6111.203487][ T10] fib6_nh_init+0x3d8/0x1580 [ 6111.203487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6111.203487][ T10] ip6_route_add+0x1c/0x140 [ 6111.203487][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6111.203487][ T10] inet6_addr_add+0x4f8/0xa40 [ 6111.203487][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6111.203487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6111.203487][ T10] netlink_rcv_skb+0x130/0x360 [ 6111.203487][ T10] netlink_unicast+0x449/0x710 [ 6111.203487][ T10] netlink_sendmsg+0x723/0xbe0 [ 6111.203487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6111.203487][ T10] ___sys_sendmsg+0xee/0x170 [ 6111.203487][ T10] __sys_sendmsg+0xcd/0x170 [ 6111.203487][ T10] do_syscall_64+0xc6/0x1e0 [ 6111.203487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6111.203487][ T10] [ 6111.205496][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6111.205496][ T10] netdev_get_by_index+0x5e/0x80 [ 6111.205496][ T10] fib6_nh_init+0x3d8/0x1580 [ 6111.205496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6111.205496][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6111.205496][ T10] ipv6_add_addr+0x411/0x2000 [ 6111.205496][ T10] inet6_addr_add+0x30e/0xa40 [ 6111.205496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6111.205496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6111.205496][ T10] netlink_rcv_skb+0x130/0x360 [ 6111.205496][ T10] netlink_unicast+0x449/0x710 [ 6111.205496][ T10] netlink_sendmsg+0x723/0xbe0 [ 6111.205496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6111.205496][ T10] ___sys_sendmsg+0xee/0x170 [ 6111.205496][ T10] __sys_sendmsg+0xcd/0x170 [ 6111.205496][ T10] do_syscall_64+0xc6/0x1e0 [ 6111.205496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6111.205496][ T10] [ 6111.207501][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6111.207501][ T10] netdev_get_by_index+0x5e/0x80 [ 6111.207501][ T10] fib6_nh_init+0x3d8/0x1580 [ 6111.207501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6111.207501][ T10] ip6_route_add+0x1c/0x140 [ 6111.207501][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6111.207501][ T10] addrconf_add_dev+0xe2/0x170 [ 6111.207501][ T10] inet6_addr_add+0x12f/0xa40 [ 6111.207501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6111.207501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6111.207501][ T10] netlink_rcv_skb+0x130/0x360 [ 6111.207501][ T10] netlink_unicast+0x449/0x710 [ 6111.207501][ T10] netlink_sendmsg+0x723/0xbe0 [ 6111.207501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6111.207501][ T10] ___sys_sendmsg+0xee/0x170 [ 6111.207501][ T10] __sys_sendmsg+0xcd/0x170 [ 6111.207501][ T10] do_syscall_64+0xc6/0x1e0 [ 6111.207501][ T10] [ 6111.209473][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6111.209473][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6111.209473][ T10] ipv6_find_idev+0x102/0x170 [ 6111.209473][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6111.209473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6111.209473][ T10] netlink_rcv_skb+0x130/0x360 [ 6111.209473][ T10] netlink_unicast+0x449/0x710 [ 6111.209473][ T10] netlink_sendmsg+0x723/0xbe0 [ 6111.209473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6111.209473][ T10] ___sys_sendmsg+0xee/0x170 [ 6111.209473][ T10] __sys_sendmsg+0xcd/0x170 [ 6111.209473][ T10] do_syscall_64+0xc6/0x1e0 [ 6111.209473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6111.209473][ T10] [ 6111.211034][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6111.211034][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6111.211034][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6111.211034][ T10] ipv6_find_idev+0x102/0x170 [ 6111.211034][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6111.211034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6111.211034][ T10] netlink_rcv_skb+0x130/0x360 [ 6111.211034][ T10] netlink_unicast+0x449/0x710 [ 6111.211034][ T10] netlink_sendmsg+0x723/0xbe0 [ 6111.211034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6111.211034][ T10] ___sys_sendmsg+0xee/0x170 [ 6111.211034][ T10] __sys_sendmsg+0xcd/0x170 [ 6111.211034][ T10] do_syscall_64+0xc6/0x1e0 [ 6111.211034][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6111.211034][ T10] [ 6111.212741][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6111.212984][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6111.212984][ T10] netdev_get_by_index+0x5e/0x80 [ 6111.212984][ T10] fib6_nh_init+0x3d8/0x1580 [ 6111.212984][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6111.212984][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6111.212984][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6111.212984][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6111.212984][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6111.212984][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6111.212984][ T10] addrconf_dad_begin+0x310/0x670 [ 6111.212984][ T10] addrconf_dad_work+0x10b/0xab0 [ 6111.212984][ T10] process_one_work+0x84d/0x18a0 [ 6111.212984][ T10] worker_thread+0x587/0xd30 [ 6111.212984][ T10] kthread+0x28a/0x350 [ 6111.212984][ T10] ret_from_fork+0x31/0x70 [ 6111.212984][ T10] ret_from_fork_asm+0x1a/0x30 [ 6111.212984][ T10] [ 6111.216717][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6111.216717][ T10] netdev_get_by_index+0x5e/0x80 [ 6111.216717][ T10] fib6_nh_init+0x3d8/0x1580 [ 6111.216717][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6111.216717][ T10] ip6_route_add+0x1c/0x140 [ 6111.216717][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6111.216717][ T10] inet6_addr_add+0x4f8/0xa40 [ 6111.216717][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6111.216717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6111.216717][ T10] netlink_rcv_skb+0x130/0x360 [ 6111.216717][ T10] netlink_unicast+0x449/0x710 [ 6111.216717][ T10] netlink_sendmsg+0x723/0xbe0 [ 6111.216717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6111.216717][ T10] ___sys_sendmsg+0xee/0x170 [ 6111.216717][ T10] __sys_sendmsg+0xcd/0x170 [ 6111.216717][ T10] do_syscall_64+0xc6/0x1e0 [ 6111.216717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6111.216717][ T10] [ 6111.218730][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6111.218730][ T10] netdev_get_by_index+0x5e/0x80 [ 6111.218730][ T10] fib6_nh_init+0x3d8/0x1580 [ 6111.218730][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6111.218730][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6111.218730][ T10] ipv6_add_addr+0x411/0x2000 [ 6111.218730][ T10] inet6_addr_add+0x30e/0xa40 [ 6111.218730][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6111.218730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6111.218730][ T10] netlink_rcv_skb+0x130/0x360 [ 6111.218730][ T10] netlink_unicast+0x449/0x710 [ 6111.218730][ T10] netlink_sendmsg+0x723/0xbe0 [ 6111.218730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6111.218730][ T10] ___sys_sendmsg+0xee/0x170 [ 6111.218730][ T10] __sys_sendmsg+0xcd/0x170 [ 6111.218730][ T10] do_syscall_64+0xc6/0x1e0 [ 6111.218730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6111.218730][ T10] [ 6111.220752][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6111.220752][ T10] netdev_get_by_index+0x5e/0x80 [ 6111.220752][ T10] fib6_nh_init+0x3d8/0x1580 [ 6111.220752][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6111.220752][ T10] ip6_route_add+0x1c/0x140 [ 6111.220752][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6111.220752][ T10] addrconf_add_dev+0xe2/0x170 [ 6111.220752][ T10] inet6_addr_add+0x12f/0xa40 [ 6111.220752][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6111.220752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6111.220752][ T10] netlink_rcv_skb+0x130/0x360 [ 6111.220752][ T10] netlink_unicast+0x449/0x710 [ 6111.220752][ T10] netlink_sendmsg+0x723/0xbe0 [ 6111.220752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6111.220752][ T10] ___sys_sendmsg+0xee/0x170 [ 6111.220752][ T10] __sys_sendmsg+0xcd/0x170 [ 6111.220752][ T10] do_syscall_64+0xc6/0x1e0 [ 6111.220752][ T10] [ 6111.222722][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6111.222722][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6111.222722][ T10] ipv6_find_idev+0x102/0x170 [ 6111.222722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6111.222722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6111.222722][ T10] netlink_rcv_skb+0x130/0x360 [ 6111.222722][ T10] netlink_unicast+0x449/0x710 [ 6111.222722][ T10] netlink_sendmsg+0x723/0xbe0 [ 6111.222722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6111.222722][ T10] ___sys_sendmsg+0xee/0x170 [ 6111.222722][ T10] __sys_sendmsg+0xcd/0x170 [ 6111.222722][ T10] do_syscall_64+0xc6/0x1e0 [ 6111.222722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6111.222722][ T10] [ 6111.224270][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6111.224270][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6111.224270][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6111.224270][ T10] ipv6_find_idev+0x102/0x170 [ 6111.224270][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6111.224270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6111.224270][ T10] netlink_rcv_skb+0x130/0x360 [ 6111.224270][ T10] netlink_unicast+0x449/0x710 [ 6111.224270][ T10] netlink_sendmsg+0x723/0xbe0 [ 6111.224270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6111.224270][ T10] ___sys_sendmsg+0xee/0x170 [ 6111.224270][ T10] __sys_sendmsg+0xcd/0x170 [ 6111.224270][ T10] do_syscall_64+0xc6/0x1e0 [ 6111.224270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6111.224270][ T10] [ 6111.225981][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6111.226234][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6111.226234][ T10] netdev_get_by_index+0x5e/0x80 [ 6111.226234][ T10] fib6_nh_init+0x3d8/0x1580 [ 6111.226234][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6111.226234][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6111.226234][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6111.226234][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6111.226234][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6111.226234][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6111.226234][ T10] addrconf_dad_begin+0x310/0x670 [ 6111.226234][ T10] addrconf_dad_work+0x10b/0xab0 [ 6111.226234][ T10] process_one_work+0x84d/0x18a0 [ 6111.226234][ T10] worker_thread+0x587/0xd30 [ 6111.226234][ T10] kthread+0x28a/0x350 [ 6111.226234][ T10] ret_from_fork+0x31/0x70 [ 6111.226234][ T10] ret_from_fork_asm+0x1a/0x30 [ 6111.226234][ T10] [ 6111.228153][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6111.228153][ T10] netdev_get_by_index+0x5e/0x80 [ 6111.228153][ T10] fib6_nh_init+0x3d8/0x1580 [ 6111.228153][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6111.228153][ T10] ip6_route_add+0x1c/0x140 [ 6111.228153][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6111.228153][ T10] inet6_addr_add+0x4f8/0xa40 [ 6111.228153][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6111.228153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6111.228153][ T10] netlink_rcv_skb+0x130/0x360 [ 6111.228153][ T10] netlink_unicast+0x449/0x710 [ 6111.228153][ T10] netlink_sendmsg+0x723/0xbe0 [ 6111.228153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6111.228153][ T10] ___sys_sendmsg+0xee/0x170 [ 6111.228153][ T10] __sys_sendmsg+0xcd/0x170 [ 6111.228153][ T10] do_syscall_64+0xc6/0x1e0 [ 6111.228153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6111.228153][ T10] [ 6111.230361][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6111.230361][ T10] netdev_get_by_index+0x5e/0x80 [ 6111.230361][ T10] fib6_nh_init+0x3d8/0x1580 [ 6111.230361][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6111.230361][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6111.230361][ T10] ipv6_add_addr+0x411/0x2000 [ 6111.230361][ T10] inet6_addr_add+0x30e/0xa40 [ 6111.230361][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6111.230361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6111.230361][ T10] netlink_rcv_skb+0x130/0x360 [ 6111.230361][ T10] netlink_unicast+0x449/0x710 [ 6111.230361][ T10] netlink_sendmsg+0x723/0xbe0 [ 6111.230361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6111.230361][ T10] ___sys_sendmsg+0xee/0x170 [ 6111.230361][ T10] __sys_sendmsg+0xcd/0x170 [ 6111.230361][ T10] do_syscall_64+0xc6/0x1e0 [ 6111.230361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6111.230361][ T10] [ 6111.232664][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6111.232664][ T10] netdev_get_by_index+0x5e/0x80 [ 6111.232664][ T10] fib6_nh_init+0x3d8/0x1580 [ 6111.232664][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6111.232664][ T10] ip6_route_add+0x1c/0x140 [ 6111.232664][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6111.232664][ T10] addrconf_add_dev+0xe2/0x170 [ 6111.232664][ T10] inet6_addr_add+0x12f/0xa40 [ 6111.232664][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6111.232664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6111.232664][ T10] netlink_rcv_skb+0x130/0x360 [ 6111.232664][ T10] netlink_unicast+0x449/0x710 [ 6111.232664][ T10] netlink_sendmsg+0x723/0xbe0 [ 6111.232664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6111.232664][ T10] ___sys_sendmsg+0xee/0x170 [ 6111.232664][ T10] __sys_sendmsg+0xcd/0x170 [ 6111.232664][ T10] do_syscall_64+0xc6/0x1e0 [ 6111.232664][ T10] [ 6111.234913][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6111.234913][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6111.234913][ T10] ipv6_find_idev+0x102/0x170 [ 6111.234913][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6111.234913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6111.234913][ T10] netlink_rcv_skb+0x130/0x360 [ 6111.234913][ T10] netlink_unicast+0x449/0x710 [ 6111.234913][ T10] netlink_sendmsg+0x723/0xbe0 [ 6111.234913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6111.234913][ T10] ___sys_sendmsg+0xee/0x170 [ 6111.234913][ T10] __sys_sendmsg+0xcd/0x170 [ 6111.234913][ T10] do_syscall_64+0xc6/0x1e0 [ 6111.234913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6111.234913][ T10] [ 6111.236649][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6111.236649][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6111.236649][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6111.236649][ T10] ipv6_find_idev+0x102/0x170 [ 6111.236649][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6111.236649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6111.236649][ T10] netlink_rcv_skb+0x130/0x360 [ 6111.236649][ T10] netlink_unicast+0x449/0x710 [ 6111.236649][ T10] netlink_sendmsg+0x723/0xbe0 [ 6111.236649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6111.236649][ T10] ___sys_sendmsg+0xee/0x170 [ 6111.236649][ T10] __sys_sendmsg+0xcd/0x170 [ 6111.236649][ T10] do_syscall_64+0xc6/0x1e0 [ 6111.236649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6111.236649][ T10] [ 6111.238555][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6111.238809][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6111.238809][ T10] netdev_get_by_index+0x5e/0x80 [ 6111.238809][ T10] fib6_nh_init+0x3d8/0x1580 [ 6111.238809][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6111.238809][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6111.238809][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6111.238809][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6111.238809][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6111.238809][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6111.238809][ T10] addrconf_dad_begin+0x310/0x670 [ 6111.238809][ T10] addrconf_dad_work+0x10b/0xab0 [ 6111.238809][ T10] process_one_work+0x84d/0x18a0 [ 6111.238809][ T10] worker_thread+0x587/0xd30 [ 6111.238809][ T10] kthread+0x28a/0x350 [ 6111.238809][ T10] ret_from_fork+0x31/0x70 [ 6111.238809][ T10] ret_from_fork_asm+0x1a/0x30 [ 6111.238809][ T10] [ 6111.241053][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6111.241053][ T10] netdev_get_by_index+0x5e/0x80 [ 6111.241053][ T10] fib6_nh_init+0x3d8/0x1580 [ 6111.241053][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6111.241053][ T10] ip6_route_add+0x1c/0x140 [ 6111.241053][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6111.241053][ T10] inet6_addr_add+0x4f8/0xa40 [ 6111.241053][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6111.241053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6111.241053][ T10] netlink_rcv_skb+0x130/0x360 [ 6111.241053][ T10] netlink_unicast+0x449/0x710 [ 6111.241053][ T10] netlink_sendmsg+0x723/0xbe0 [ 6111.241053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6111.241053][ T10] ___sys_sendmsg+0xee/0x170 [ 6111.241053][ T10] __sys_sendmsg+0xcd/0x170 [ 6111.241053][ T10] do_syscall_64+0xc6/0x1e0 [ 6111.241053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6111.241053][ T10] [ 6111.243329][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6111.243329][ T10] netdev_get_by_index+0x5e/0x80 [ 6111.243329][ T10] fib6_nh_init+0x3d8/0x1580 [ 6111.243329][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6111.243329][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6111.243329][ T10] ipv6_add_addr+0x411/0x2000 [ 6111.243329][ T10] inet6_addr_add+0x30e/0xa40 [ 6111.243329][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6111.243329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6111.243329][ T10] netlink_rcv_skb+0x130/0x360 [ 6111.243329][ T10] netlink_unicast+0x449/0x710 [ 6111.243329][ T10] netlink_sendmsg+0x723/0xbe0 [ 6111.243329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6111.243329][ T10] ___sys_sendmsg+0xee/0x170 [ 6111.243329][ T10] __sys_sendmsg+0xcd/0x170 [ 6111.243329][ T10] do_syscall_64+0xc6/0x1e0 [ 6111.243329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6111.243329][ T10] [ 6111.245580][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6111.245580][ T10] netdev_get_by_index+0x5e/0x80 [ 6111.245580][ T10] fib6_nh_init+0x3d8/0x1580 [ 6111.245580][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6111.245580][ T10] ip6_route_add+0x1c/0x140 [ 6111.245580][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6111.245580][ T10] addrconf_add_dev+0xe2/0x170 [ 6111.245580][ T10] inet6_addr_add+0x12f/0xa40 [ 6111.245580][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6111.245580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6111.245580][ T10] netlink_rcv_skb+0x130/0x360 [ 6111.245580][ T10] netlink_unicast+0x449/0x710 [ 6111.245580][ T10] netlink_sendmsg+0x723/0xbe0 [ 6111.245580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6111.245580][ T10] ___sys_sendmsg+0xee/0x170 [ 6111.245580][ T10] __sys_sendmsg+0xcd/0x170 [ 6111.245580][ T10] do_syscall_64+0xc6/0x1e0 [ 6111.245580][ T10] [ 6111.247742][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6111.247742][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6111.247742][ T10] ipv6_find_idev+0x102/0x170 [ 6111.247742][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6111.247742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6111.247742][ T10] netlink_rcv_skb+0x130/0x360 [ 6111.247742][ T10] netlink_unicast+0x449/0x710 [ 6111.247742][ T10] netlink_sendmsg+0x723/0xbe0 [ 6111.247742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6111.247742][ T10] ___sys_sendmsg+0xee/0x170 [ 6111.247742][ T10] __sys_sendmsg+0xcd/0x170 [ 6111.247742][ T10] do_syscall_64+0xc6/0x1e0 [ 6111.247742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6111.247742][ T10] [ 6111.249486][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6111.249486][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6111.249486][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6111.249486][ T10] ipv6_find_idev+0x102/0x170 [ 6111.249486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6111.249486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6111.249486][ T10] netlink_rcv_skb+0x130/0x360 [ 6111.249486][ T10] netlink_unicast+0x449/0x710 [ 6111.249486][ T10] netlink_sendmsg+0x723/0xbe0 [ 6111.249486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6111.249486][ T10] ___sys_sendmsg+0xee/0x170 [ 6111.249486][ T10] __sys_sendmsg+0xcd/0x170 [ 6111.249486][ T10] do_syscall_64+0xc6/0x1e0 [ 6111.249486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6111.249486][ T10] [ 6120.697119][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6120.697615][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6120.697615][ T1167] dst_init+0x84/0x4a0 [ 6120.697615][ T1167] dst_alloc+0x97/0x150 [ 6120.697615][ T1167] ip6_dst_alloc+0x23/0x90 [ 6120.697615][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6120.697615][ T1167] ip6_pol_route+0x56f/0x840 [ 6120.697615][ T1167] fib6_rule_lookup+0x334/0x630 [ 6120.697615][ T1167] ip6_route_output_flags+0x259/0x480 [ 6120.697615][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6120.697615][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6120.697615][ T1167] netlink_rcv_skb+0x130/0x360 [ 6120.697615][ T1167] netlink_unicast+0x449/0x710 [ 6120.697615][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6120.697615][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6120.697615][ T1167] ___sys_sendmsg+0xee/0x170 [ 6120.697615][ T1167] __sys_sendmsg+0xcd/0x170 [ 6120.697615][ T1167] do_syscall_64+0xc6/0x1e0 [ 6120.697615][ T1167] [ 6120.699819][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6120.699819][ T1167] netdev_get_by_index+0x5e/0x80 [ 6120.699819][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6120.699819][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6120.699819][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6120.699819][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6120.699819][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6120.699819][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6120.699819][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6120.699819][ T1167] addrconf_dad_begin+0x310/0x670 [ 6120.699819][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6120.699819][ T1167] process_one_work+0x84d/0x18a0 [ 6120.699819][ T1167] worker_thread+0x587/0xd30 [ 6120.699819][ T1167] kthread+0x28a/0x350 [ 6120.699819][ T1167] ret_from_fork+0x31/0x70 [ 6120.699819][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6120.699819][ T1167] [ 6120.701937][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6120.701937][ T1167] netdev_get_by_index+0x5e/0x80 [ 6120.701937][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6120.701937][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6120.701937][ T1167] ip6_route_add+0x1c/0x140 [ 6120.701937][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6120.701937][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6120.701937][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6120.701937][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.701937][ T1167] netlink_rcv_skb+0x130/0x360 [ 6120.701937][ T1167] netlink_unicast+0x449/0x710 [ 6120.701937][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6120.701937][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6120.701937][ T1167] ___sys_sendmsg+0xee/0x170 [ 6120.701937][ T1167] __sys_sendmsg+0xcd/0x170 [ 6120.701937][ T1167] do_syscall_64+0xc6/0x1e0 [ 6120.701937][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6120.701937][ T1167] [ 6120.704169][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6120.704169][ T1167] netdev_get_by_index+0x5e/0x80 [ 6120.704169][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6120.704169][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6120.704169][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6120.704169][ T1167] ipv6_add_addr+0x411/0x2000 [ 6120.704169][ T1167] inet6_addr_add+0x30e/0xa40 [ 6120.704169][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6120.704169][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.704169][ T1167] netlink_rcv_skb+0x130/0x360 [ 6120.704169][ T1167] netlink_unicast+0x449/0x710 [ 6120.704169][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6120.704169][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6120.704169][ T1167] ___sys_sendmsg+0xee/0x170 [ 6120.704169][ T1167] __sys_sendmsg+0xcd/0x170 [ 6120.704169][ T1167] do_syscall_64+0xc6/0x1e0 [ 6120.704169][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6120.704169][ T1167] [ 6120.706386][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6120.706386][ T1167] netdev_get_by_index+0x5e/0x80 [ 6120.706386][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6120.706386][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6120.706386][ T1167] ip6_route_add+0x1c/0x140 [ 6120.706386][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6120.706386][ T1167] addrconf_add_dev+0xe2/0x170 [ 6120.706386][ T1167] inet6_addr_add+0x12f/0xa40 [ 6120.706386][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6120.706386][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.706386][ T1167] netlink_rcv_skb+0x130/0x360 [ 6120.706386][ T1167] netlink_unicast+0x449/0x710 [ 6120.706386][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6120.706386][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6120.706386][ T1167] ___sys_sendmsg+0xee/0x170 [ 6120.706386][ T1167] __sys_sendmsg+0xcd/0x170 [ 6120.706386][ T1167] do_syscall_64+0xc6/0x1e0 [ 6120.706386][ T1167] [ 6120.708605][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6120.708605][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6120.708605][ T1167] ipv6_find_idev+0x102/0x170 [ 6120.708605][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6120.708605][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.708605][ T1167] netlink_rcv_skb+0x130/0x360 [ 6120.708605][ T1167] netlink_unicast+0x449/0x710 [ 6120.708605][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6120.708605][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6120.708605][ T1167] ___sys_sendmsg+0xee/0x170 [ 6120.708605][ T1167] __sys_sendmsg+0xcd/0x170 [ 6120.708605][ T1167] do_syscall_64+0xc6/0x1e0 [ 6120.708605][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6120.708605][ T1167] [ 6120.710331][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6120.710331][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6120.710331][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6120.710331][ T1167] ipv6_find_idev+0x102/0x170 [ 6120.710331][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6120.710331][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.710331][ T1167] netlink_rcv_skb+0x130/0x360 [ 6120.710331][ T1167] netlink_unicast+0x449/0x710 [ 6120.710331][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6120.710331][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6120.710331][ T1167] ___sys_sendmsg+0xee/0x170 [ 6120.710331][ T1167] __sys_sendmsg+0xcd/0x170 [ 6120.710331][ T1167] do_syscall_64+0xc6/0x1e0 [ 6120.710331][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6120.710331][ T1167] [ 6121.489112][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6121.489537][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6121.489537][ T10] netdev_get_by_index+0x5e/0x80 [ 6121.489537][ T10] fib6_nh_init+0x3d8/0x1580 [ 6121.489537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6121.489537][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6121.489537][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6121.489537][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6121.489537][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6121.489537][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6121.489537][ T10] addrconf_dad_begin+0x310/0x670 [ 6121.489537][ T10] addrconf_dad_work+0x10b/0xab0 [ 6121.489537][ T10] process_one_work+0x84d/0x18a0 [ 6121.489537][ T10] worker_thread+0x587/0xd30 [ 6121.489537][ T10] kthread+0x28a/0x350 [ 6121.489537][ T10] ret_from_fork+0x31/0x70 [ 6121.489537][ T10] ret_from_fork_asm+0x1a/0x30 [ 6121.489537][ T10] [ 6121.491484][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6121.491484][ T10] netdev_get_by_index+0x5e/0x80 [ 6121.491484][ T10] fib6_nh_init+0x3d8/0x1580 [ 6121.491484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6121.491484][ T10] ip6_route_add+0x1c/0x140 [ 6121.491484][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6121.491484][ T10] inet6_addr_add+0x4f8/0xa40 [ 6121.491484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6121.491484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6121.491484][ T10] netlink_rcv_skb+0x130/0x360 [ 6121.491484][ T10] netlink_unicast+0x449/0x710 [ 6121.491484][ T10] netlink_sendmsg+0x723/0xbe0 [ 6121.491484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6121.491484][ T10] ___sys_sendmsg+0xee/0x170 [ 6121.491484][ T10] __sys_sendmsg+0xcd/0x170 [ 6121.491484][ T10] do_syscall_64+0xc6/0x1e0 [ 6121.491484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6121.491484][ T10] [ 6121.493517][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6121.493517][ T10] netdev_get_by_index+0x5e/0x80 [ 6121.493517][ T10] fib6_nh_init+0x3d8/0x1580 [ 6121.493517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6121.493517][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6121.493517][ T10] ipv6_add_addr+0x411/0x2000 [ 6121.493517][ T10] inet6_addr_add+0x30e/0xa40 [ 6121.493517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6121.493517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6121.493517][ T10] netlink_rcv_skb+0x130/0x360 [ 6121.493517][ T10] netlink_unicast+0x449/0x710 [ 6121.493517][ T10] netlink_sendmsg+0x723/0xbe0 [ 6121.493517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6121.493517][ T10] ___sys_sendmsg+0xee/0x170 [ 6121.493517][ T10] __sys_sendmsg+0xcd/0x170 [ 6121.493517][ T10] do_syscall_64+0xc6/0x1e0 [ 6121.493517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6121.493517][ T10] [ 6121.495527][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6121.495527][ T10] netdev_get_by_index+0x5e/0x80 [ 6121.495527][ T10] fib6_nh_init+0x3d8/0x1580 [ 6121.495527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6121.495527][ T10] ip6_route_add+0x1c/0x140 [ 6121.495527][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6121.495527][ T10] addrconf_add_dev+0xe2/0x170 [ 6121.495527][ T10] inet6_addr_add+0x12f/0xa40 [ 6121.495527][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6121.495527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6121.495527][ T10] netlink_rcv_skb+0x130/0x360 [ 6121.495527][ T10] netlink_unicast+0x449/0x710 [ 6121.495527][ T10] netlink_sendmsg+0x723/0xbe0 [ 6121.495527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6121.495527][ T10] ___sys_sendmsg+0xee/0x170 [ 6121.495527][ T10] __sys_sendmsg+0xcd/0x170 [ 6121.495527][ T10] do_syscall_64+0xc6/0x1e0 [ 6121.495527][ T10] [ 6121.497515][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6121.497515][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6121.497515][ T10] ipv6_find_idev+0x102/0x170 [ 6121.497515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6121.497515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6121.497515][ T10] netlink_rcv_skb+0x130/0x360 [ 6121.497515][ T10] netlink_unicast+0x449/0x710 [ 6121.497515][ T10] netlink_sendmsg+0x723/0xbe0 [ 6121.497515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6121.497515][ T10] ___sys_sendmsg+0xee/0x170 [ 6121.497515][ T10] __sys_sendmsg+0xcd/0x170 [ 6121.497515][ T10] do_syscall_64+0xc6/0x1e0 [ 6121.497515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6121.497515][ T10] [ 6121.499125][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6121.499125][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6121.499125][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6121.499125][ T10] ipv6_find_idev+0x102/0x170 [ 6121.499125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6121.499125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6121.499125][ T10] netlink_rcv_skb+0x130/0x360 [ 6121.499125][ T10] netlink_unicast+0x449/0x710 [ 6121.499125][ T10] netlink_sendmsg+0x723/0xbe0 [ 6121.499125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6121.499125][ T10] ___sys_sendmsg+0xee/0x170 [ 6121.499125][ T10] __sys_sendmsg+0xcd/0x170 [ 6121.499125][ T10] do_syscall_64+0xc6/0x1e0 [ 6121.499125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6121.499125][ T10] [ 6121.501368][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6121.501610][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6121.501610][ T10] netdev_get_by_index+0x5e/0x80 [ 6121.501610][ T10] fib6_nh_init+0x3d8/0x1580 [ 6121.501610][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6121.501610][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6121.501610][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6121.501610][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6121.501610][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6121.501610][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6121.501610][ T10] addrconf_dad_begin+0x310/0x670 [ 6121.501610][ T10] addrconf_dad_work+0x10b/0xab0 [ 6121.501610][ T10] process_one_work+0x84d/0x18a0 [ 6121.501610][ T10] worker_thread+0x587/0xd30 [ 6121.501610][ T10] kthread+0x28a/0x350 [ 6121.501610][ T10] ret_from_fork+0x31/0x70 [ 6121.501610][ T10] ret_from_fork_asm+0x1a/0x30 [ 6121.501610][ T10] [ 6121.503531][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6121.503531][ T10] netdev_get_by_index+0x5e/0x80 [ 6121.503531][ T10] fib6_nh_init+0x3d8/0x1580 [ 6121.503531][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6121.503531][ T10] ip6_route_add+0x1c/0x140 [ 6121.503531][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6121.503531][ T10] inet6_addr_add+0x4f8/0xa40 [ 6121.503531][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6121.503531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6121.503531][ T10] netlink_rcv_skb+0x130/0x360 [ 6121.503531][ T10] netlink_unicast+0x449/0x710 [ 6121.503531][ T10] netlink_sendmsg+0x723/0xbe0 [ 6121.503531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6121.503531][ T10] ___sys_sendmsg+0xee/0x170 [ 6121.503531][ T10] __sys_sendmsg+0xcd/0x170 [ 6121.503531][ T10] do_syscall_64+0xc6/0x1e0 [ 6121.503531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6121.503531][ T10] [ 6121.505538][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6121.505538][ T10] netdev_get_by_index+0x5e/0x80 [ 6121.505538][ T10] fib6_nh_init+0x3d8/0x1580 [ 6121.505538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6121.505538][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6121.505538][ T10] ipv6_add_addr+0x411/0x2000 [ 6121.505538][ T10] inet6_addr_add+0x30e/0xa40 [ 6121.505538][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6121.505538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6121.505538][ T10] netlink_rcv_skb+0x130/0x360 [ 6121.505538][ T10] netlink_unicast+0x449/0x710 [ 6121.505538][ T10] netlink_sendmsg+0x723/0xbe0 [ 6121.505538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6121.505538][ T10] ___sys_sendmsg+0xee/0x170 [ 6121.505538][ T10] __sys_sendmsg+0xcd/0x170 [ 6121.505538][ T10] do_syscall_64+0xc6/0x1e0 [ 6121.505538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6121.505538][ T10] [ 6121.507540][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6121.507540][ T10] netdev_get_by_index+0x5e/0x80 [ 6121.507540][ T10] fib6_nh_init+0x3d8/0x1580 [ 6121.507540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6121.507540][ T10] ip6_route_add+0x1c/0x140 [ 6121.507540][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6121.507540][ T10] addrconf_add_dev+0xe2/0x170 [ 6121.507540][ T10] inet6_addr_add+0x12f/0xa40 [ 6121.507540][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6121.507540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6121.507540][ T10] netlink_rcv_skb+0x130/0x360 [ 6121.507540][ T10] netlink_unicast+0x449/0x710 [ 6121.507540][ T10] netlink_sendmsg+0x723/0xbe0 [ 6121.507540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6121.507540][ T10] ___sys_sendmsg+0xee/0x170 [ 6121.507540][ T10] __sys_sendmsg+0xcd/0x170 [ 6121.507540][ T10] do_syscall_64+0xc6/0x1e0 [ 6121.507540][ T10] [ 6121.509506][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6121.509506][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6121.509506][ T10] ipv6_find_idev+0x102/0x170 [ 6121.509506][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6121.509506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6121.509506][ T10] netlink_rcv_skb+0x130/0x360 [ 6121.509506][ T10] netlink_unicast+0x449/0x710 [ 6121.509506][ T10] netlink_sendmsg+0x723/0xbe0 [ 6121.509506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6121.509506][ T10] ___sys_sendmsg+0xee/0x170 [ 6121.509506][ T10] __sys_sendmsg+0xcd/0x170 [ 6121.509506][ T10] do_syscall_64+0xc6/0x1e0 [ 6121.509506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6121.509506][ T10] [ 6121.511046][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6121.511046][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6121.511046][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6121.511046][ T10] ipv6_find_idev+0x102/0x170 [ 6121.511046][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6121.511046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6121.511046][ T10] netlink_rcv_skb+0x130/0x360 [ 6121.511046][ T10] netlink_unicast+0x449/0x710 [ 6121.511046][ T10] netlink_sendmsg+0x723/0xbe0 [ 6121.511046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6121.511046][ T10] ___sys_sendmsg+0xee/0x170 [ 6121.511046][ T10] __sys_sendmsg+0xcd/0x170 [ 6121.511046][ T10] do_syscall_64+0xc6/0x1e0 [ 6121.511046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6121.511046][ T10] [ 6121.512733][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6121.512974][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6121.512974][ T10] netdev_get_by_index+0x5e/0x80 [ 6121.512974][ T10] fib6_nh_init+0x3d8/0x1580 [ 6121.512974][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6121.512974][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6121.512974][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6121.512974][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6121.512974][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6121.512974][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6121.512974][ T10] addrconf_dad_begin+0x310/0x670 [ 6121.512974][ T10] addrconf_dad_work+0x10b/0xab0 [ 6121.512974][ T10] process_one_work+0x84d/0x18a0 [ 6121.512974][ T10] worker_thread+0x587/0xd30 [ 6121.512974][ T10] kthread+0x28a/0x350 [ 6121.512974][ T10] ret_from_fork+0x31/0x70 [ 6121.512974][ T10] ret_from_fork_asm+0x1a/0x30 [ 6121.512974][ T10] [ 6121.514883][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6121.514883][ T10] netdev_get_by_index+0x5e/0x80 [ 6121.514883][ T10] fib6_nh_init+0x3d8/0x1580 [ 6121.514883][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6121.514883][ T10] ip6_route_add+0x1c/0x140 [ 6121.514883][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6121.514883][ T10] inet6_addr_add+0x4f8/0xa40 [ 6121.514883][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6121.514883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6121.514883][ T10] netlink_rcv_skb+0x130/0x360 [ 6121.514883][ T10] netlink_unicast+0x449/0x710 [ 6121.514883][ T10] netlink_sendmsg+0x723/0xbe0 [ 6121.514883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6121.514883][ T10] ___sys_sendmsg+0xee/0x170 [ 6121.514883][ T10] __sys_sendmsg+0xcd/0x170 [ 6121.514883][ T10] do_syscall_64+0xc6/0x1e0 [ 6121.514883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6121.514883][ T10] [ 6121.517057][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6121.517057][ T10] netdev_get_by_index+0x5e/0x80 [ 6121.517057][ T10] fib6_nh_init+0x3d8/0x1580 [ 6121.517057][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6121.517057][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6121.517057][ T10] ipv6_add_addr+0x411/0x2000 [ 6121.517057][ T10] inet6_addr_add+0x30e/0xa40 [ 6121.517057][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6121.517057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6121.517057][ T10] netlink_rcv_skb+0x130/0x360 [ 6121.517057][ T10] netlink_unicast+0x449/0x710 [ 6121.517057][ T10] netlink_sendmsg+0x723/0xbe0 [ 6121.517057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6121.517057][ T10] ___sys_sendmsg+0xee/0x170 [ 6121.517057][ T10] __sys_sendmsg+0xcd/0x170 [ 6121.517057][ T10] do_syscall_64+0xc6/0x1e0 [ 6121.517057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6121.517057][ T10] [ 6121.519305][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6121.519305][ T10] netdev_get_by_index+0x5e/0x80 [ 6121.519305][ T10] fib6_nh_init+0x3d8/0x1580 [ 6121.519305][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6121.519305][ T10] ip6_route_add+0x1c/0x140 [ 6121.519305][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6121.519305][ T10] addrconf_add_dev+0xe2/0x170 [ 6121.519305][ T10] inet6_addr_add+0x12f/0xa40 [ 6121.519305][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6121.519305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6121.519305][ T10] netlink_rcv_skb+0x130/0x360 [ 6121.519305][ T10] netlink_unicast+0x449/0x710 [ 6121.519305][ T10] netlink_sendmsg+0x723/0xbe0 [ 6121.519305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6121.519305][ T10] ___sys_sendmsg+0xee/0x170 [ 6121.519305][ T10] __sys_sendmsg+0xcd/0x170 [ 6121.519305][ T10] do_syscall_64+0xc6/0x1e0 [ 6121.519305][ T10] [ 6121.521501][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6121.521501][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6121.521501][ T10] ipv6_find_idev+0x102/0x170 [ 6121.521501][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6121.521501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6121.521501][ T10] netlink_rcv_skb+0x130/0x360 [ 6121.521501][ T10] netlink_unicast+0x449/0x710 [ 6121.521501][ T10] netlink_sendmsg+0x723/0xbe0 [ 6121.521501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6121.521501][ T10] ___sys_sendmsg+0xee/0x170 [ 6121.521501][ T10] __sys_sendmsg+0xcd/0x170 [ 6121.521501][ T10] do_syscall_64+0xc6/0x1e0 [ 6121.521501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6121.521501][ T10] [ 6121.523218][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6121.523218][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6121.523218][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6121.523218][ T10] ipv6_find_idev+0x102/0x170 [ 6121.523218][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6121.523218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6121.523218][ T10] netlink_rcv_skb+0x130/0x360 [ 6121.523218][ T10] netlink_unicast+0x449/0x710 [ 6121.523218][ T10] netlink_sendmsg+0x723/0xbe0 [ 6121.523218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6121.523218][ T10] ___sys_sendmsg+0xee/0x170 [ 6121.523218][ T10] __sys_sendmsg+0xcd/0x170 [ 6121.523218][ T10] do_syscall_64+0xc6/0x1e0 [ 6121.523218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6121.523218][ T10] [ 6121.525145][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6121.525381][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6121.525381][ T10] netdev_get_by_index+0x5e/0x80 [ 6121.525381][ T10] fib6_nh_init+0x3d8/0x1580 [ 6121.525381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6121.525381][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6121.525381][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6121.525381][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6121.525381][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6121.525381][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6121.525381][ T10] addrconf_dad_begin+0x310/0x670 [ 6121.525381][ T10] addrconf_dad_work+0x10b/0xab0 [ 6121.525381][ T10] process_one_work+0x84d/0x18a0 [ 6121.525381][ T10] worker_thread+0x587/0xd30 [ 6121.525381][ T10] kthread+0x28a/0x350 [ 6121.525381][ T10] ret_from_fork+0x31/0x70 [ 6121.525381][ T10] ret_from_fork_asm+0x1a/0x30 [ 6121.525381][ T10] [ 6121.527536][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6121.527536][ T10] netdev_get_by_index+0x5e/0x80 [ 6121.527536][ T10] fib6_nh_init+0x3d8/0x1580 [ 6121.527536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6121.527536][ T10] ip6_route_add+0x1c/0x140 [ 6121.527536][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6121.527536][ T10] inet6_addr_add+0x4f8/0xa40 [ 6121.527536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6121.527536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6121.527536][ T10] netlink_rcv_skb+0x130/0x360 [ 6121.527536][ T10] netlink_unicast+0x449/0x710 [ 6121.527536][ T10] netlink_sendmsg+0x723/0xbe0 [ 6121.527536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6121.527536][ T10] ___sys_sendmsg+0xee/0x170 [ 6121.527536][ T10] __sys_sendmsg+0xcd/0x170 [ 6121.527536][ T10] do_syscall_64+0xc6/0x1e0 [ 6121.527536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6121.527536][ T10] [ 6121.529776][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6121.529776][ T10] netdev_get_by_index+0x5e/0x80 [ 6121.529776][ T10] fib6_nh_init+0x3d8/0x1580 [ 6121.529776][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6121.529776][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6121.529776][ T10] ipv6_add_addr+0x411/0x2000 [ 6121.529776][ T10] inet6_addr_add+0x30e/0xa40 [ 6121.529776][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6121.529776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6121.529776][ T10] netlink_rcv_skb+0x130/0x360 [ 6121.529776][ T10] netlink_unicast+0x449/0x710 [ 6121.529776][ T10] netlink_sendmsg+0x723/0xbe0 [ 6121.529776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6121.529776][ T10] ___sys_sendmsg+0xee/0x170 [ 6121.529776][ T10] __sys_sendmsg+0xcd/0x170 [ 6121.529776][ T10] do_syscall_64+0xc6/0x1e0 [ 6121.529776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6121.529776][ T10] [ 6121.532025][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6121.532025][ T10] netdev_get_by_index+0x5e/0x80 [ 6121.532025][ T10] fib6_nh_init+0x3d8/0x1580 [ 6121.532025][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6121.532025][ T10] ip6_route_add+0x1c/0x140 [ 6121.532025][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6121.532025][ T10] addrconf_add_dev+0xe2/0x170 [ 6121.532025][ T10] inet6_addr_add+0x12f/0xa40 [ 6121.532025][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6121.532025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6121.532025][ T10] netlink_rcv_skb+0x130/0x360 [ 6121.532025][ T10] netlink_unicast+0x449/0x710 [ 6121.532025][ T10] netlink_sendmsg+0x723/0xbe0 [ 6121.532025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6121.532025][ T10] ___sys_sendmsg+0xee/0x170 [ 6121.532025][ T10] __sys_sendmsg+0xcd/0x170 [ 6121.532025][ T10] do_syscall_64+0xc6/0x1e0 [ 6121.532025][ T10] [ 6121.534224][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6121.534224][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6121.534224][ T10] ipv6_find_idev+0x102/0x170 [ 6121.534224][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6121.534224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6121.534224][ T10] netlink_rcv_skb+0x130/0x360 [ 6121.534224][ T10] netlink_unicast+0x449/0x710 [ 6121.534224][ T10] netlink_sendmsg+0x723/0xbe0 [ 6121.534224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6121.534224][ T10] ___sys_sendmsg+0xee/0x170 [ 6121.534224][ T10] __sys_sendmsg+0xcd/0x170 [ 6121.534224][ T10] do_syscall_64+0xc6/0x1e0 [ 6121.534224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6121.534224][ T10] [ 6121.535943][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6121.535943][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6121.535943][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6121.535943][ T10] ipv6_find_idev+0x102/0x170 [ 6121.535943][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6121.535943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6121.535943][ T10] netlink_rcv_skb+0x130/0x360 [ 6121.535943][ T10] netlink_unicast+0x449/0x710 [ 6121.535943][ T10] netlink_sendmsg+0x723/0xbe0 [ 6121.535943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6121.535943][ T10] ___sys_sendmsg+0xee/0x170 [ 6121.535943][ T10] __sys_sendmsg+0xcd/0x170 [ 6121.535943][ T10] do_syscall_64+0xc6/0x1e0 [ 6121.535943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6121.535943][ T10] [ 6130.753112][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6130.753601][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6130.753601][ T1167] dst_init+0x84/0x4a0 [ 6130.753601][ T1167] dst_alloc+0x97/0x150 [ 6130.753601][ T1167] ip6_dst_alloc+0x23/0x90 [ 6130.753601][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6130.753601][ T1167] ip6_pol_route+0x56f/0x840 [ 6130.753601][ T1167] fib6_rule_lookup+0x334/0x630 [ 6130.753601][ T1167] ip6_route_output_flags+0x259/0x480 [ 6130.753601][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6130.753601][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6130.753601][ T1167] netlink_rcv_skb+0x130/0x360 [ 6130.753601][ T1167] netlink_unicast+0x449/0x710 [ 6130.753601][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6130.753601][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6130.753601][ T1167] ___sys_sendmsg+0xee/0x170 [ 6130.753601][ T1167] __sys_sendmsg+0xcd/0x170 [ 6130.753601][ T1167] do_syscall_64+0xc6/0x1e0 [ 6130.753601][ T1167] [ 6130.755801][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6130.755801][ T1167] netdev_get_by_index+0x5e/0x80 [ 6130.755801][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6130.755801][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6130.755801][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6130.755801][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6130.755801][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6130.755801][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6130.755801][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6130.755801][ T1167] addrconf_dad_begin+0x310/0x670 [ 6130.755801][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6130.755801][ T1167] process_one_work+0x84d/0x18a0 [ 6130.755801][ T1167] worker_thread+0x587/0xd30 [ 6130.755801][ T1167] kthread+0x28a/0x350 [ 6130.755801][ T1167] ret_from_fork+0x31/0x70 [ 6130.755801][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6130.755801][ T1167] [ 6130.757925][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6130.757925][ T1167] netdev_get_by_index+0x5e/0x80 [ 6130.757925][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6130.757925][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6130.757925][ T1167] ip6_route_add+0x1c/0x140 [ 6130.757925][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6130.757925][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6130.757925][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6130.757925][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6130.757925][ T1167] netlink_rcv_skb+0x130/0x360 [ 6130.757925][ T1167] netlink_unicast+0x449/0x710 [ 6130.757925][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6130.757925][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6130.757925][ T1167] ___sys_sendmsg+0xee/0x170 [ 6130.757925][ T1167] __sys_sendmsg+0xcd/0x170 [ 6130.757925][ T1167] do_syscall_64+0xc6/0x1e0 [ 6130.757925][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6130.757925][ T1167] [ 6130.760165][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6130.760165][ T1167] netdev_get_by_index+0x5e/0x80 [ 6130.760165][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6130.760165][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6130.760165][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6130.760165][ T1167] ipv6_add_addr+0x411/0x2000 [ 6130.760165][ T1167] inet6_addr_add+0x30e/0xa40 [ 6130.760165][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6130.760165][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6130.760165][ T1167] netlink_rcv_skb+0x130/0x360 [ 6130.760165][ T1167] netlink_unicast+0x449/0x710 [ 6130.760165][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6130.760165][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6130.760165][ T1167] ___sys_sendmsg+0xee/0x170 [ 6130.760165][ T1167] __sys_sendmsg+0xcd/0x170 [ 6130.760165][ T1167] do_syscall_64+0xc6/0x1e0 [ 6130.760165][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6130.760165][ T1167] [ 6130.762389][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6130.762389][ T1167] netdev_get_by_index+0x5e/0x80 [ 6130.762389][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6130.762389][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6130.762389][ T1167] ip6_route_add+0x1c/0x140 [ 6130.762389][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6130.762389][ T1167] addrconf_add_dev+0xe2/0x170 [ 6130.762389][ T1167] inet6_addr_add+0x12f/0xa40 [ 6130.762389][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6130.762389][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6130.762389][ T1167] netlink_rcv_skb+0x130/0x360 [ 6130.762389][ T1167] netlink_unicast+0x449/0x710 [ 6130.762389][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6130.762389][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6130.762389][ T1167] ___sys_sendmsg+0xee/0x170 [ 6130.762389][ T1167] __sys_sendmsg+0xcd/0x170 [ 6130.762389][ T1167] do_syscall_64+0xc6/0x1e0 [ 6130.762389][ T1167] [ 6130.764593][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6130.764593][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6130.764593][ T1167] ipv6_find_idev+0x102/0x170 [ 6130.764593][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6130.764593][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6130.764593][ T1167] netlink_rcv_skb+0x130/0x360 [ 6130.764593][ T1167] netlink_unicast+0x449/0x710 [ 6130.764593][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6130.764593][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6130.764593][ T1167] ___sys_sendmsg+0xee/0x170 [ 6130.764593][ T1167] __sys_sendmsg+0xcd/0x170 [ 6130.764593][ T1167] do_syscall_64+0xc6/0x1e0 [ 6130.764593][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6130.764593][ T1167] [ 6130.766321][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6130.766321][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6130.766321][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6130.766321][ T1167] ipv6_find_idev+0x102/0x170 [ 6130.766321][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6130.766321][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6130.766321][ T1167] netlink_rcv_skb+0x130/0x360 [ 6130.766321][ T1167] netlink_unicast+0x449/0x710 [ 6130.766321][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6130.766321][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6130.766321][ T1167] ___sys_sendmsg+0xee/0x170 [ 6130.766321][ T1167] __sys_sendmsg+0xcd/0x170 [ 6130.766321][ T1167] do_syscall_64+0xc6/0x1e0 [ 6130.766321][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6130.766321][ T1167] [ 6131.777111][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6131.777552][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6131.777552][ T10] netdev_get_by_index+0x5e/0x80 [ 6131.777552][ T10] fib6_nh_init+0x3d8/0x1580 [ 6131.777552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6131.777552][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6131.777552][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6131.777552][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6131.777552][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6131.777552][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6131.777552][ T10] addrconf_dad_begin+0x310/0x670 [ 6131.777552][ T10] addrconf_dad_work+0x10b/0xab0 [ 6131.777552][ T10] process_one_work+0x84d/0x18a0 [ 6131.777552][ T10] worker_thread+0x587/0xd30 [ 6131.777552][ T10] kthread+0x28a/0x350 [ 6131.777552][ T10] ret_from_fork+0x31/0x70 [ 6131.777552][ T10] ret_from_fork_asm+0x1a/0x30 [ 6131.777552][ T10] [ 6131.779495][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6131.779495][ T10] netdev_get_by_index+0x5e/0x80 [ 6131.779495][ T10] fib6_nh_init+0x3d8/0x1580 [ 6131.779495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6131.779495][ T10] ip6_route_add+0x1c/0x140 [ 6131.779495][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6131.779495][ T10] inet6_addr_add+0x4f8/0xa40 [ 6131.779495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6131.779495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.779495][ T10] netlink_rcv_skb+0x130/0x360 [ 6131.779495][ T10] netlink_unicast+0x449/0x710 [ 6131.779495][ T10] netlink_sendmsg+0x723/0xbe0 [ 6131.779495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6131.779495][ T10] ___sys_sendmsg+0xee/0x170 [ 6131.779495][ T10] __sys_sendmsg+0xcd/0x170 [ 6131.779495][ T10] do_syscall_64+0xc6/0x1e0 [ 6131.779495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.779495][ T10] [ 6131.781503][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6131.781503][ T10] netdev_get_by_index+0x5e/0x80 [ 6131.781503][ T10] fib6_nh_init+0x3d8/0x1580 [ 6131.781503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6131.781503][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6131.781503][ T10] ipv6_add_addr+0x411/0x2000 [ 6131.781503][ T10] inet6_addr_add+0x30e/0xa40 [ 6131.781503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6131.781503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.781503][ T10] netlink_rcv_skb+0x130/0x360 [ 6131.781503][ T10] netlink_unicast+0x449/0x710 [ 6131.781503][ T10] netlink_sendmsg+0x723/0xbe0 [ 6131.781503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6131.781503][ T10] ___sys_sendmsg+0xee/0x170 [ 6131.781503][ T10] __sys_sendmsg+0xcd/0x170 [ 6131.781503][ T10] do_syscall_64+0xc6/0x1e0 [ 6131.781503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.781503][ T10] [ 6131.783502][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6131.783502][ T10] netdev_get_by_index+0x5e/0x80 [ 6131.783502][ T10] fib6_nh_init+0x3d8/0x1580 [ 6131.783502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6131.783502][ T10] ip6_route_add+0x1c/0x140 [ 6131.783502][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6131.783502][ T10] addrconf_add_dev+0xe2/0x170 [ 6131.783502][ T10] inet6_addr_add+0x12f/0xa40 [ 6131.783502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6131.783502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.783502][ T10] netlink_rcv_skb+0x130/0x360 [ 6131.783502][ T10] netlink_unicast+0x449/0x710 [ 6131.783502][ T10] netlink_sendmsg+0x723/0xbe0 [ 6131.783502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6131.783502][ T10] ___sys_sendmsg+0xee/0x170 [ 6131.783502][ T10] __sys_sendmsg+0xcd/0x170 [ 6131.783502][ T10] do_syscall_64+0xc6/0x1e0 [ 6131.783502][ T10] [ 6131.785458][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6131.785458][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6131.785458][ T10] ipv6_find_idev+0x102/0x170 [ 6131.785458][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6131.785458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.785458][ T10] netlink_rcv_skb+0x130/0x360 [ 6131.785458][ T10] netlink_unicast+0x449/0x710 [ 6131.785458][ T10] netlink_sendmsg+0x723/0xbe0 [ 6131.785458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6131.785458][ T10] ___sys_sendmsg+0xee/0x170 [ 6131.785458][ T10] __sys_sendmsg+0xcd/0x170 [ 6131.785458][ T10] do_syscall_64+0xc6/0x1e0 [ 6131.785458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.785458][ T10] [ 6131.786997][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6131.786997][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6131.786997][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6131.786997][ T10] ipv6_find_idev+0x102/0x170 [ 6131.786997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6131.786997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.786997][ T10] netlink_rcv_skb+0x130/0x360 [ 6131.786997][ T10] netlink_unicast+0x449/0x710 [ 6131.786997][ T10] netlink_sendmsg+0x723/0xbe0 [ 6131.786997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6131.786997][ T10] ___sys_sendmsg+0xee/0x170 [ 6131.786997][ T10] __sys_sendmsg+0xcd/0x170 [ 6131.786997][ T10] do_syscall_64+0xc6/0x1e0 [ 6131.786997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.786997][ T10] [ 6131.788696][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6131.788945][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6131.788945][ T10] netdev_get_by_index+0x5e/0x80 [ 6131.788945][ T10] fib6_nh_init+0x3d8/0x1580 [ 6131.788945][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6131.788945][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6131.788945][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6131.788945][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6131.788945][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6131.788945][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6131.788945][ T10] addrconf_dad_begin+0x310/0x670 [ 6131.788945][ T10] addrconf_dad_work+0x10b/0xab0 [ 6131.788945][ T10] process_one_work+0x84d/0x18a0 [ 6131.788945][ T10] worker_thread+0x587/0xd30 [ 6131.788945][ T10] kthread+0x28a/0x350 [ 6131.788945][ T10] ret_from_fork+0x31/0x70 [ 6131.788945][ T10] ret_from_fork_asm+0x1a/0x30 [ 6131.788945][ T10] [ 6131.790859][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6131.790859][ T10] netdev_get_by_index+0x5e/0x80 [ 6131.790859][ T10] fib6_nh_init+0x3d8/0x1580 [ 6131.790859][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6131.790859][ T10] ip6_route_add+0x1c/0x140 [ 6131.790859][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6131.790859][ T10] inet6_addr_add+0x4f8/0xa40 [ 6131.790859][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6131.790859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.790859][ T10] netlink_rcv_skb+0x130/0x360 [ 6131.790859][ T10] netlink_unicast+0x449/0x710 [ 6131.790859][ T10] netlink_sendmsg+0x723/0xbe0 [ 6131.790859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6131.790859][ T10] ___sys_sendmsg+0xee/0x170 [ 6131.790859][ T10] __sys_sendmsg+0xcd/0x170 [ 6131.790859][ T10] do_syscall_64+0xc6/0x1e0 [ 6131.790859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.790859][ T10] [ 6131.792874][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6131.792874][ T10] netdev_get_by_index+0x5e/0x80 [ 6131.792874][ T10] fib6_nh_init+0x3d8/0x1580 [ 6131.792874][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6131.792874][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6131.792874][ T10] ipv6_add_addr+0x411/0x2000 [ 6131.792874][ T10] inet6_addr_add+0x30e/0xa40 [ 6131.792874][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6131.792874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.792874][ T10] netlink_rcv_skb+0x130/0x360 [ 6131.792874][ T10] netlink_unicast+0x449/0x710 [ 6131.792874][ T10] netlink_sendmsg+0x723/0xbe0 [ 6131.792874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6131.792874][ T10] ___sys_sendmsg+0xee/0x170 [ 6131.792874][ T10] __sys_sendmsg+0xcd/0x170 [ 6131.792874][ T10] do_syscall_64+0xc6/0x1e0 [ 6131.792874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.792874][ T10] [ 6131.794872][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6131.794872][ T10] netdev_get_by_index+0x5e/0x80 [ 6131.794872][ T10] fib6_nh_init+0x3d8/0x1580 [ 6131.794872][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6131.794872][ T10] ip6_route_add+0x1c/0x140 [ 6131.794872][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6131.794872][ T10] addrconf_add_dev+0xe2/0x170 [ 6131.794872][ T10] inet6_addr_add+0x12f/0xa40 [ 6131.794872][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6131.794872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.794872][ T10] netlink_rcv_skb+0x130/0x360 [ 6131.794872][ T10] netlink_unicast+0x449/0x710 [ 6131.794872][ T10] netlink_sendmsg+0x723/0xbe0 [ 6131.794872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6131.794872][ T10] ___sys_sendmsg+0xee/0x170 [ 6131.794872][ T10] __sys_sendmsg+0xcd/0x170 [ 6131.794872][ T10] do_syscall_64+0xc6/0x1e0 [ 6131.794872][ T10] [ 6131.796831][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6131.796831][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6131.796831][ T10] ipv6_find_idev+0x102/0x170 [ 6131.796831][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6131.796831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.796831][ T10] netlink_rcv_skb+0x130/0x360 [ 6131.796831][ T10] netlink_unicast+0x449/0x710 [ 6131.796831][ T10] netlink_sendmsg+0x723/0xbe0 [ 6131.796831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6131.796831][ T10] ___sys_sendmsg+0xee/0x170 [ 6131.796831][ T10] __sys_sendmsg+0xcd/0x170 [ 6131.796831][ T10] do_syscall_64+0xc6/0x1e0 [ 6131.796831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.796831][ T10] [ 6131.798373][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6131.798373][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6131.798373][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6131.798373][ T10] ipv6_find_idev+0x102/0x170 [ 6131.798373][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6131.798373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.798373][ T10] netlink_rcv_skb+0x130/0x360 [ 6131.798373][ T10] netlink_unicast+0x449/0x710 [ 6131.798373][ T10] netlink_sendmsg+0x723/0xbe0 [ 6131.798373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6131.798373][ T10] ___sys_sendmsg+0xee/0x170 [ 6131.798373][ T10] __sys_sendmsg+0xcd/0x170 [ 6131.798373][ T10] do_syscall_64+0xc6/0x1e0 [ 6131.798373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.798373][ T10] [ 6131.800071][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6131.800310][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6131.800310][ T10] netdev_get_by_index+0x5e/0x80 [ 6131.800310][ T10] fib6_nh_init+0x3d8/0x1580 [ 6131.800310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6131.800310][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6131.800310][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6131.800310][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6131.800310][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6131.800310][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6131.800310][ T10] addrconf_dad_begin+0x310/0x670 [ 6131.800310][ T10] addrconf_dad_work+0x10b/0xab0 [ 6131.800310][ T10] process_one_work+0x84d/0x18a0 [ 6131.800310][ T10] worker_thread+0x587/0xd30 [ 6131.800310][ T10] kthread+0x28a/0x350 [ 6131.800310][ T10] ret_from_fork+0x31/0x70 [ 6131.800310][ T10] ret_from_fork_asm+0x1a/0x30 [ 6131.800310][ T10] [ 6131.802221][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6131.802221][ T10] netdev_get_by_index+0x5e/0x80 [ 6131.802221][ T10] fib6_nh_init+0x3d8/0x1580 [ 6131.802221][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6131.802221][ T10] ip6_route_add+0x1c/0x140 [ 6131.802221][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6131.802221][ T10] inet6_addr_add+0x4f8/0xa40 [ 6131.802221][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6131.802221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.802221][ T10] netlink_rcv_skb+0x130/0x360 [ 6131.802221][ T10] netlink_unicast+0x449/0x710 [ 6131.802221][ T10] netlink_sendmsg+0x723/0xbe0 [ 6131.802221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6131.802221][ T10] ___sys_sendmsg+0xee/0x170 [ 6131.802221][ T10] __sys_sendmsg+0xcd/0x170 [ 6131.802221][ T10] do_syscall_64+0xc6/0x1e0 [ 6131.802221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.802221][ T10] [ 6131.804402][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6131.804402][ T10] netdev_get_by_index+0x5e/0x80 [ 6131.804402][ T10] fib6_nh_init+0x3d8/0x1580 [ 6131.804402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6131.804402][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6131.804402][ T10] ipv6_add_addr+0x411/0x2000 [ 6131.804402][ T10] inet6_addr_add+0x30e/0xa40 [ 6131.804402][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6131.804402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.804402][ T10] netlink_rcv_skb+0x130/0x360 [ 6131.804402][ T10] netlink_unicast+0x449/0x710 [ 6131.804402][ T10] netlink_sendmsg+0x723/0xbe0 [ 6131.804402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6131.804402][ T10] ___sys_sendmsg+0xee/0x170 [ 6131.804402][ T10] __sys_sendmsg+0xcd/0x170 [ 6131.804402][ T10] do_syscall_64+0xc6/0x1e0 [ 6131.804402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.804402][ T10] [ 6131.806650][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6131.806650][ T10] netdev_get_by_index+0x5e/0x80 [ 6131.806650][ T10] fib6_nh_init+0x3d8/0x1580 [ 6131.806650][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6131.806650][ T10] ip6_route_add+0x1c/0x140 [ 6131.806650][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6131.806650][ T10] addrconf_add_dev+0xe2/0x170 [ 6131.806650][ T10] inet6_addr_add+0x12f/0xa40 [ 6131.806650][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6131.806650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.806650][ T10] netlink_rcv_skb+0x130/0x360 [ 6131.806650][ T10] netlink_unicast+0x449/0x710 [ 6131.806650][ T10] netlink_sendmsg+0x723/0xbe0 [ 6131.806650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6131.806650][ T10] ___sys_sendmsg+0xee/0x170 [ 6131.806650][ T10] __sys_sendmsg+0xcd/0x170 [ 6131.806650][ T10] do_syscall_64+0xc6/0x1e0 [ 6131.806650][ T10] [ 6131.808871][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6131.808871][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6131.808871][ T10] ipv6_find_idev+0x102/0x170 [ 6131.808871][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6131.808871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.808871][ T10] netlink_rcv_skb+0x130/0x360 [ 6131.808871][ T10] netlink_unicast+0x449/0x710 [ 6131.808871][ T10] netlink_sendmsg+0x723/0xbe0 [ 6131.808871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6131.808871][ T10] ___sys_sendmsg+0xee/0x170 [ 6131.808871][ T10] __sys_sendmsg+0xcd/0x170 [ 6131.808871][ T10] do_syscall_64+0xc6/0x1e0 [ 6131.808871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.808871][ T10] [ 6131.810673][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6131.810673][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6131.810673][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6131.810673][ T10] ipv6_find_idev+0x102/0x170 [ 6131.810673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6131.810673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.810673][ T10] netlink_rcv_skb+0x130/0x360 [ 6131.810673][ T10] netlink_unicast+0x449/0x710 [ 6131.810673][ T10] netlink_sendmsg+0x723/0xbe0 [ 6131.810673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6131.810673][ T10] ___sys_sendmsg+0xee/0x170 [ 6131.810673][ T10] __sys_sendmsg+0xcd/0x170 [ 6131.810673][ T10] do_syscall_64+0xc6/0x1e0 [ 6131.810673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.810673][ T10] [ 6131.812545][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6131.812783][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6131.812783][ T10] netdev_get_by_index+0x5e/0x80 [ 6131.812783][ T10] fib6_nh_init+0x3d8/0x1580 [ 6131.812783][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6131.812783][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6131.812783][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6131.812783][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6131.812783][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6131.812783][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6131.812783][ T10] addrconf_dad_begin+0x310/0x670 [ 6131.812783][ T10] addrconf_dad_work+0x10b/0xab0 [ 6131.812783][ T10] process_one_work+0x84d/0x18a0 [ 6131.812783][ T10] worker_thread+0x587/0xd30 [ 6131.812783][ T10] kthread+0x28a/0x350 [ 6131.812783][ T10] ret_from_fork+0x31/0x70 [ 6131.812783][ T10] ret_from_fork_asm+0x1a/0x30 [ 6131.812783][ T10] [ 6131.814944][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6131.814944][ T10] netdev_get_by_index+0x5e/0x80 [ 6131.814944][ T10] fib6_nh_init+0x3d8/0x1580 [ 6131.814944][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6131.814944][ T10] ip6_route_add+0x1c/0x140 [ 6131.814944][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6131.814944][ T10] inet6_addr_add+0x4f8/0xa40 [ 6131.814944][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6131.814944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.814944][ T10] netlink_rcv_skb+0x130/0x360 [ 6131.814944][ T10] netlink_unicast+0x449/0x710 [ 6131.814944][ T10] netlink_sendmsg+0x723/0xbe0 [ 6131.814944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6131.814944][ T10] ___sys_sendmsg+0xee/0x170 [ 6131.814944][ T10] __sys_sendmsg+0xcd/0x170 [ 6131.814944][ T10] do_syscall_64+0xc6/0x1e0 [ 6131.814944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.814944][ T10] [ 6131.817203][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6131.817203][ T10] netdev_get_by_index+0x5e/0x80 [ 6131.817203][ T10] fib6_nh_init+0x3d8/0x1580 [ 6131.817203][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6131.817203][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6131.817203][ T10] ipv6_add_addr+0x411/0x2000 [ 6131.817203][ T10] inet6_addr_add+0x30e/0xa40 [ 6131.817203][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6131.817203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.817203][ T10] netlink_rcv_skb+0x130/0x360 [ 6131.817203][ T10] netlink_unicast+0x449/0x710 [ 6131.817203][ T10] netlink_sendmsg+0x723/0xbe0 [ 6131.817203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6131.817203][ T10] ___sys_sendmsg+0xee/0x170 [ 6131.817203][ T10] __sys_sendmsg+0xcd/0x170 [ 6131.817203][ T10] do_syscall_64+0xc6/0x1e0 [ 6131.817203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.817203][ T10] [ 6131.819514][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6131.819514][ T10] netdev_get_by_index+0x5e/0x80 [ 6131.819514][ T10] fib6_nh_init+0x3d8/0x1580 [ 6131.819514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6131.819514][ T10] ip6_route_add+0x1c/0x140 [ 6131.819514][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6131.819514][ T10] addrconf_add_dev+0xe2/0x170 [ 6131.819514][ T10] inet6_addr_add+0x12f/0xa40 [ 6131.819514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6131.819514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.819514][ T10] netlink_rcv_skb+0x130/0x360 [ 6131.819514][ T10] netlink_unicast+0x449/0x710 [ 6131.819514][ T10] netlink_sendmsg+0x723/0xbe0 [ 6131.819514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6131.819514][ T10] ___sys_sendmsg+0xee/0x170 [ 6131.819514][ T10] __sys_sendmsg+0xcd/0x170 [ 6131.819514][ T10] do_syscall_64+0xc6/0x1e0 [ 6131.819514][ T10] [ 6131.821661][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6131.821661][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6131.821661][ T10] ipv6_find_idev+0x102/0x170 [ 6131.821661][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6131.821661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.821661][ T10] netlink_rcv_skb+0x130/0x360 [ 6131.821661][ T10] netlink_unicast+0x449/0x710 [ 6131.821661][ T10] netlink_sendmsg+0x723/0xbe0 [ 6131.821661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6131.821661][ T10] ___sys_sendmsg+0xee/0x170 [ 6131.821661][ T10] __sys_sendmsg+0xcd/0x170 [ 6131.821661][ T10] do_syscall_64+0xc6/0x1e0 [ 6131.821661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.821661][ T10] [ 6131.823381][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6131.823381][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6131.823381][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6131.823381][ T10] ipv6_find_idev+0x102/0x170 [ 6131.823381][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6131.823381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6131.823381][ T10] netlink_rcv_skb+0x130/0x360 [ 6131.823381][ T10] netlink_unicast+0x449/0x710 [ 6131.823381][ T10] netlink_sendmsg+0x723/0xbe0 [ 6131.823381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6131.823381][ T10] ___sys_sendmsg+0xee/0x170 [ 6131.823381][ T10] __sys_sendmsg+0xcd/0x170 [ 6131.823381][ T10] do_syscall_64+0xc6/0x1e0 [ 6131.823381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6131.823381][ T10] [ 6140.937099][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6140.937597][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6140.937597][ T1167] dst_init+0x84/0x4a0 [ 6140.937597][ T1167] dst_alloc+0x97/0x150 [ 6140.937597][ T1167] ip6_dst_alloc+0x23/0x90 [ 6140.937597][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6140.937597][ T1167] ip6_pol_route+0x56f/0x840 [ 6140.937597][ T1167] fib6_rule_lookup+0x334/0x630 [ 6140.937597][ T1167] ip6_route_output_flags+0x259/0x480 [ 6140.937597][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6140.937597][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6140.937597][ T1167] netlink_rcv_skb+0x130/0x360 [ 6140.937597][ T1167] netlink_unicast+0x449/0x710 [ 6140.937597][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6140.937597][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6140.937597][ T1167] ___sys_sendmsg+0xee/0x170 [ 6140.937597][ T1167] __sys_sendmsg+0xcd/0x170 [ 6140.937597][ T1167] do_syscall_64+0xc6/0x1e0 [ 6140.937597][ T1167] [ 6140.939825][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6140.939825][ T1167] netdev_get_by_index+0x5e/0x80 [ 6140.939825][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6140.939825][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6140.939825][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6140.939825][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6140.939825][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6140.939825][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6140.939825][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6140.939825][ T1167] addrconf_dad_begin+0x310/0x670 [ 6140.939825][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6140.939825][ T1167] process_one_work+0x84d/0x18a0 [ 6140.939825][ T1167] worker_thread+0x587/0xd30 [ 6140.939825][ T1167] kthread+0x28a/0x350 [ 6140.939825][ T1167] ret_from_fork+0x31/0x70 [ 6140.939825][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6140.939825][ T1167] [ 6140.941991][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6140.941991][ T1167] netdev_get_by_index+0x5e/0x80 [ 6140.941991][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6140.941991][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6140.941991][ T1167] ip6_route_add+0x1c/0x140 [ 6140.941991][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6140.941991][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6140.941991][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6140.941991][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6140.941991][ T1167] netlink_rcv_skb+0x130/0x360 [ 6140.941991][ T1167] netlink_unicast+0x449/0x710 [ 6140.941991][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6140.941991][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6140.941991][ T1167] ___sys_sendmsg+0xee/0x170 [ 6140.941991][ T1167] __sys_sendmsg+0xcd/0x170 [ 6140.941991][ T1167] do_syscall_64+0xc6/0x1e0 [ 6140.941991][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6140.941991][ T1167] [ 6140.944254][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6140.944254][ T1167] netdev_get_by_index+0x5e/0x80 [ 6140.944254][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6140.944254][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6140.944254][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6140.944254][ T1167] ipv6_add_addr+0x411/0x2000 [ 6140.944254][ T1167] inet6_addr_add+0x30e/0xa40 [ 6140.944254][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6140.944254][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6140.944254][ T1167] netlink_rcv_skb+0x130/0x360 [ 6140.944254][ T1167] netlink_unicast+0x449/0x710 [ 6140.944254][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6140.944254][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6140.944254][ T1167] ___sys_sendmsg+0xee/0x170 [ 6140.944254][ T1167] __sys_sendmsg+0xcd/0x170 [ 6140.944254][ T1167] do_syscall_64+0xc6/0x1e0 [ 6140.944254][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6140.944254][ T1167] [ 6140.946505][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6140.946505][ T1167] netdev_get_by_index+0x5e/0x80 [ 6140.946505][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6140.946505][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6140.946505][ T1167] ip6_route_add+0x1c/0x140 [ 6140.946505][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6140.946505][ T1167] addrconf_add_dev+0xe2/0x170 [ 6140.946505][ T1167] inet6_addr_add+0x12f/0xa40 [ 6140.946505][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6140.946505][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6140.946505][ T1167] netlink_rcv_skb+0x130/0x360 [ 6140.946505][ T1167] netlink_unicast+0x449/0x710 [ 6140.946505][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6140.946505][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6140.946505][ T1167] ___sys_sendmsg+0xee/0x170 [ 6140.946505][ T1167] __sys_sendmsg+0xcd/0x170 [ 6140.946505][ T1167] do_syscall_64+0xc6/0x1e0 [ 6140.946505][ T1167] [ 6140.948726][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6140.948726][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6140.948726][ T1167] ipv6_find_idev+0x102/0x170 [ 6140.948726][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6140.948726][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6140.948726][ T1167] netlink_rcv_skb+0x130/0x360 [ 6140.948726][ T1167] netlink_unicast+0x449/0x710 [ 6140.948726][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6140.948726][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6140.948726][ T1167] ___sys_sendmsg+0xee/0x170 [ 6140.948726][ T1167] __sys_sendmsg+0xcd/0x170 [ 6140.948726][ T1167] do_syscall_64+0xc6/0x1e0 [ 6140.948726][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6140.948726][ T1167] [ 6140.950482][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6140.950482][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6140.950482][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6140.950482][ T1167] ipv6_find_idev+0x102/0x170 [ 6140.950482][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6140.950482][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6140.950482][ T1167] netlink_rcv_skb+0x130/0x360 [ 6140.950482][ T1167] netlink_unicast+0x449/0x710 [ 6140.950482][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6140.950482][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6140.950482][ T1167] ___sys_sendmsg+0xee/0x170 [ 6140.950482][ T1167] __sys_sendmsg+0xcd/0x170 [ 6140.950482][ T1167] do_syscall_64+0xc6/0x1e0 [ 6140.950482][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6140.950482][ T1167] [ 6141.961108][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6141.961485][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6141.961485][ T10] netdev_get_by_index+0x5e/0x80 [ 6141.961485][ T10] fib6_nh_init+0x3d8/0x1580 [ 6141.961485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6141.961485][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6141.961485][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6141.961485][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6141.961485][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6141.961485][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6141.961485][ T10] addrconf_dad_begin+0x310/0x670 [ 6141.961485][ T10] addrconf_dad_work+0x10b/0xab0 [ 6141.961485][ T10] process_one_work+0x84d/0x18a0 [ 6141.961485][ T10] worker_thread+0x587/0xd30 [ 6141.961485][ T10] kthread+0x28a/0x350 [ 6141.961485][ T10] ret_from_fork+0x31/0x70 [ 6141.961485][ T10] ret_from_fork_asm+0x1a/0x30 [ 6141.961485][ T10] [ 6141.963425][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6141.963425][ T10] netdev_get_by_index+0x5e/0x80 [ 6141.963425][ T10] fib6_nh_init+0x3d8/0x1580 [ 6141.963425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6141.963425][ T10] ip6_route_add+0x1c/0x140 [ 6141.963425][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6141.963425][ T10] inet6_addr_add+0x4f8/0xa40 [ 6141.963425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6141.963425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.963425][ T10] netlink_rcv_skb+0x130/0x360 [ 6141.963425][ T10] netlink_unicast+0x449/0x710 [ 6141.963425][ T10] netlink_sendmsg+0x723/0xbe0 [ 6141.963425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6141.963425][ T10] ___sys_sendmsg+0xee/0x170 [ 6141.963425][ T10] __sys_sendmsg+0xcd/0x170 [ 6141.963425][ T10] do_syscall_64+0xc6/0x1e0 [ 6141.963425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.963425][ T10] [ 6141.965437][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6141.965437][ T10] netdev_get_by_index+0x5e/0x80 [ 6141.965437][ T10] fib6_nh_init+0x3d8/0x1580 [ 6141.965437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6141.965437][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6141.965437][ T10] ipv6_add_addr+0x411/0x2000 [ 6141.965437][ T10] inet6_addr_add+0x30e/0xa40 [ 6141.965437][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6141.965437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.965437][ T10] netlink_rcv_skb+0x130/0x360 [ 6141.965437][ T10] netlink_unicast+0x449/0x710 [ 6141.965437][ T10] netlink_sendmsg+0x723/0xbe0 [ 6141.965437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6141.965437][ T10] ___sys_sendmsg+0xee/0x170 [ 6141.965437][ T10] __sys_sendmsg+0xcd/0x170 [ 6141.965437][ T10] do_syscall_64+0xc6/0x1e0 [ 6141.965437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.965437][ T10] [ 6141.967448][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6141.967448][ T10] netdev_get_by_index+0x5e/0x80 [ 6141.967448][ T10] fib6_nh_init+0x3d8/0x1580 [ 6141.967448][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6141.967448][ T10] ip6_route_add+0x1c/0x140 [ 6141.967448][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6141.967448][ T10] addrconf_add_dev+0xe2/0x170 [ 6141.967448][ T10] inet6_addr_add+0x12f/0xa40 [ 6141.967448][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6141.967448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.967448][ T10] netlink_rcv_skb+0x130/0x360 [ 6141.967448][ T10] netlink_unicast+0x449/0x710 [ 6141.967448][ T10] netlink_sendmsg+0x723/0xbe0 [ 6141.967448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6141.967448][ T10] ___sys_sendmsg+0xee/0x170 [ 6141.967448][ T10] __sys_sendmsg+0xcd/0x170 [ 6141.967448][ T10] do_syscall_64+0xc6/0x1e0 [ 6141.967448][ T10] [ 6141.969438][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6141.969438][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6141.969438][ T10] ipv6_find_idev+0x102/0x170 [ 6141.969438][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6141.969438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.969438][ T10] netlink_rcv_skb+0x130/0x360 [ 6141.969438][ T10] netlink_unicast+0x449/0x710 [ 6141.969438][ T10] netlink_sendmsg+0x723/0xbe0 [ 6141.969438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6141.969438][ T10] ___sys_sendmsg+0xee/0x170 [ 6141.969438][ T10] __sys_sendmsg+0xcd/0x170 [ 6141.969438][ T10] do_syscall_64+0xc6/0x1e0 [ 6141.969438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.969438][ T10] [ 6141.970980][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6141.970980][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6141.970980][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6141.970980][ T10] ipv6_find_idev+0x102/0x170 [ 6141.970980][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6141.970980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.970980][ T10] netlink_rcv_skb+0x130/0x360 [ 6141.970980][ T10] netlink_unicast+0x449/0x710 [ 6141.970980][ T10] netlink_sendmsg+0x723/0xbe0 [ 6141.970980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6141.970980][ T10] ___sys_sendmsg+0xee/0x170 [ 6141.970980][ T10] __sys_sendmsg+0xcd/0x170 [ 6141.970980][ T10] do_syscall_64+0xc6/0x1e0 [ 6141.970980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.970980][ T10] [ 6141.972683][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6141.972927][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6141.972927][ T10] netdev_get_by_index+0x5e/0x80 [ 6141.972927][ T10] fib6_nh_init+0x3d8/0x1580 [ 6141.972927][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6141.972927][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6141.972927][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6141.972927][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6141.972927][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6141.972927][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6141.972927][ T10] addrconf_dad_begin+0x310/0x670 [ 6141.972927][ T10] addrconf_dad_work+0x10b/0xab0 [ 6141.972927][ T10] process_one_work+0x84d/0x18a0 [ 6141.972927][ T10] worker_thread+0x587/0xd30 [ 6141.972927][ T10] kthread+0x28a/0x350 [ 6141.972927][ T10] ret_from_fork+0x31/0x70 [ 6141.972927][ T10] ret_from_fork_asm+0x1a/0x30 [ 6141.972927][ T10] [ 6141.974838][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6141.974838][ T10] netdev_get_by_index+0x5e/0x80 [ 6141.974838][ T10] fib6_nh_init+0x3d8/0x1580 [ 6141.974838][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6141.974838][ T10] ip6_route_add+0x1c/0x140 [ 6141.974838][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6141.974838][ T10] inet6_addr_add+0x4f8/0xa40 [ 6141.974838][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6141.974838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.974838][ T10] netlink_rcv_skb+0x130/0x360 [ 6141.974838][ T10] netlink_unicast+0x449/0x710 [ 6141.974838][ T10] netlink_sendmsg+0x723/0xbe0 [ 6141.974838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6141.974838][ T10] ___sys_sendmsg+0xee/0x170 [ 6141.974838][ T10] __sys_sendmsg+0xcd/0x170 [ 6141.974838][ T10] do_syscall_64+0xc6/0x1e0 [ 6141.974838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.974838][ T10] [ 6141.976838][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6141.976838][ T10] netdev_get_by_index+0x5e/0x80 [ 6141.976838][ T10] fib6_nh_init+0x3d8/0x1580 [ 6141.976838][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6141.976838][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6141.976838][ T10] ipv6_add_addr+0x411/0x2000 [ 6141.976838][ T10] inet6_addr_add+0x30e/0xa40 [ 6141.976838][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6141.976838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.976838][ T10] netlink_rcv_skb+0x130/0x360 [ 6141.976838][ T10] netlink_unicast+0x449/0x710 [ 6141.976838][ T10] netlink_sendmsg+0x723/0xbe0 [ 6141.976838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6141.976838][ T10] ___sys_sendmsg+0xee/0x170 [ 6141.976838][ T10] __sys_sendmsg+0xcd/0x170 [ 6141.976838][ T10] do_syscall_64+0xc6/0x1e0 [ 6141.976838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.976838][ T10] [ 6141.978873][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6141.978873][ T10] netdev_get_by_index+0x5e/0x80 [ 6141.978873][ T10] fib6_nh_init+0x3d8/0x1580 [ 6141.978873][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6141.978873][ T10] ip6_route_add+0x1c/0x140 [ 6141.978873][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6141.978873][ T10] addrconf_add_dev+0xe2/0x170 [ 6141.978873][ T10] inet6_addr_add+0x12f/0xa40 [ 6141.978873][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6141.978873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.978873][ T10] netlink_rcv_skb+0x130/0x360 [ 6141.978873][ T10] netlink_unicast+0x449/0x710 [ 6141.978873][ T10] netlink_sendmsg+0x723/0xbe0 [ 6141.978873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6141.978873][ T10] ___sys_sendmsg+0xee/0x170 [ 6141.978873][ T10] __sys_sendmsg+0xcd/0x170 [ 6141.978873][ T10] do_syscall_64+0xc6/0x1e0 [ 6141.978873][ T10] [ 6141.980907][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6141.980907][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6141.980907][ T10] ipv6_find_idev+0x102/0x170 [ 6141.980907][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6141.980907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.980907][ T10] netlink_rcv_skb+0x130/0x360 [ 6141.980907][ T10] netlink_unicast+0x449/0x710 [ 6141.980907][ T10] netlink_sendmsg+0x723/0xbe0 [ 6141.980907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6141.980907][ T10] ___sys_sendmsg+0xee/0x170 [ 6141.980907][ T10] __sys_sendmsg+0xcd/0x170 [ 6141.980907][ T10] do_syscall_64+0xc6/0x1e0 [ 6141.980907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.980907][ T10] [ 6141.982493][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6141.982493][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6141.982493][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6141.982493][ T10] ipv6_find_idev+0x102/0x170 [ 6141.982493][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6141.982493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.982493][ T10] netlink_rcv_skb+0x130/0x360 [ 6141.982493][ T10] netlink_unicast+0x449/0x710 [ 6141.982493][ T10] netlink_sendmsg+0x723/0xbe0 [ 6141.982493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6141.982493][ T10] ___sys_sendmsg+0xee/0x170 [ 6141.982493][ T10] __sys_sendmsg+0xcd/0x170 [ 6141.982493][ T10] do_syscall_64+0xc6/0x1e0 [ 6141.982493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.982493][ T10] [ 6141.984222][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6141.984482][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6141.984482][ T10] netdev_get_by_index+0x5e/0x80 [ 6141.984482][ T10] fib6_nh_init+0x3d8/0x1580 [ 6141.984482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6141.984482][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6141.984482][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6141.984482][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6141.984482][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6141.984482][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6141.984482][ T10] addrconf_dad_begin+0x310/0x670 [ 6141.984482][ T10] addrconf_dad_work+0x10b/0xab0 [ 6141.984482][ T10] process_one_work+0x84d/0x18a0 [ 6141.984482][ T10] worker_thread+0x587/0xd30 [ 6141.984482][ T10] kthread+0x28a/0x350 [ 6141.984482][ T10] ret_from_fork+0x31/0x70 [ 6141.984482][ T10] ret_from_fork_asm+0x1a/0x30 [ 6141.984482][ T10] [ 6141.986437][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6141.986437][ T10] netdev_get_by_index+0x5e/0x80 [ 6141.986437][ T10] fib6_nh_init+0x3d8/0x1580 [ 6141.986437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6141.986437][ T10] ip6_route_add+0x1c/0x140 [ 6141.986437][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6141.986437][ T10] inet6_addr_add+0x4f8/0xa40 [ 6141.986437][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6141.986437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.986437][ T10] netlink_rcv_skb+0x130/0x360 [ 6141.986437][ T10] netlink_unicast+0x449/0x710 [ 6141.986437][ T10] netlink_sendmsg+0x723/0xbe0 [ 6141.986437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6141.986437][ T10] ___sys_sendmsg+0xee/0x170 [ 6141.986437][ T10] __sys_sendmsg+0xcd/0x170 [ 6141.986437][ T10] do_syscall_64+0xc6/0x1e0 [ 6141.986437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.986437][ T10] [ 6141.988574][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6141.988574][ T10] netdev_get_by_index+0x5e/0x80 [ 6141.988574][ T10] fib6_nh_init+0x3d8/0x1580 [ 6141.988574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6141.988574][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6141.988574][ T10] ipv6_add_addr+0x411/0x2000 [ 6141.988574][ T10] inet6_addr_add+0x30e/0xa40 [ 6141.988574][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6141.988574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.988574][ T10] netlink_rcv_skb+0x130/0x360 [ 6141.988574][ T10] netlink_unicast+0x449/0x710 [ 6141.988574][ T10] netlink_sendmsg+0x723/0xbe0 [ 6141.988574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6141.988574][ T10] ___sys_sendmsg+0xee/0x170 [ 6141.988574][ T10] __sys_sendmsg+0xcd/0x170 [ 6141.988574][ T10] do_syscall_64+0xc6/0x1e0 [ 6141.988574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.988574][ T10] [ 6141.990790][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6141.990790][ T10] netdev_get_by_index+0x5e/0x80 [ 6141.990790][ T10] fib6_nh_init+0x3d8/0x1580 [ 6141.990790][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6141.990790][ T10] ip6_route_add+0x1c/0x140 [ 6141.990790][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6141.990790][ T10] addrconf_add_dev+0xe2/0x170 [ 6141.990790][ T10] inet6_addr_add+0x12f/0xa40 [ 6141.990790][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6141.990790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.990790][ T10] netlink_rcv_skb+0x130/0x360 [ 6141.990790][ T10] netlink_unicast+0x449/0x710 [ 6141.990790][ T10] netlink_sendmsg+0x723/0xbe0 [ 6141.990790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6141.990790][ T10] ___sys_sendmsg+0xee/0x170 [ 6141.990790][ T10] __sys_sendmsg+0xcd/0x170 [ 6141.990790][ T10] do_syscall_64+0xc6/0x1e0 [ 6141.990790][ T10] [ 6141.992900][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6141.992900][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6141.992900][ T10] ipv6_find_idev+0x102/0x170 [ 6141.992900][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6141.992900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.992900][ T10] netlink_rcv_skb+0x130/0x360 [ 6141.992900][ T10] netlink_unicast+0x449/0x710 [ 6141.992900][ T10] netlink_sendmsg+0x723/0xbe0 [ 6141.992900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6141.992900][ T10] ___sys_sendmsg+0xee/0x170 [ 6141.992900][ T10] __sys_sendmsg+0xcd/0x170 [ 6141.992900][ T10] do_syscall_64+0xc6/0x1e0 [ 6141.992900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.992900][ T10] [ 6141.994563][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6141.994563][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6141.994563][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6141.994563][ T10] ipv6_find_idev+0x102/0x170 [ 6141.994563][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6141.994563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.994563][ T10] netlink_rcv_skb+0x130/0x360 [ 6141.994563][ T10] netlink_unicast+0x449/0x710 [ 6141.994563][ T10] netlink_sendmsg+0x723/0xbe0 [ 6141.994563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6141.994563][ T10] ___sys_sendmsg+0xee/0x170 [ 6141.994563][ T10] __sys_sendmsg+0xcd/0x170 [ 6141.994563][ T10] do_syscall_64+0xc6/0x1e0 [ 6141.994563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.994563][ T10] [ 6141.996366][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6141.996611][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6141.996611][ T10] netdev_get_by_index+0x5e/0x80 [ 6141.996611][ T10] fib6_nh_init+0x3d8/0x1580 [ 6141.996611][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6141.996611][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6141.996611][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6141.996611][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6141.996611][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6141.996611][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6141.996611][ T10] addrconf_dad_begin+0x310/0x670 [ 6141.996611][ T10] addrconf_dad_work+0x10b/0xab0 [ 6141.996611][ T10] process_one_work+0x84d/0x18a0 [ 6141.996611][ T10] worker_thread+0x587/0xd30 [ 6141.996611][ T10] kthread+0x28a/0x350 [ 6141.996611][ T10] ret_from_fork+0x31/0x70 [ 6141.996611][ T10] ret_from_fork_asm+0x1a/0x30 [ 6141.996611][ T10] [ 6141.998752][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6141.998752][ T10] netdev_get_by_index+0x5e/0x80 [ 6141.998752][ T10] fib6_nh_init+0x3d8/0x1580 [ 6141.998752][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6141.998752][ T10] ip6_route_add+0x1c/0x140 [ 6141.998752][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6141.998752][ T10] inet6_addr_add+0x4f8/0xa40 [ 6141.998752][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6141.998752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.998752][ T10] netlink_rcv_skb+0x130/0x360 [ 6141.998752][ T10] netlink_unicast+0x449/0x710 [ 6141.998752][ T10] netlink_sendmsg+0x723/0xbe0 [ 6141.998752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6141.998752][ T10] ___sys_sendmsg+0xee/0x170 [ 6141.998752][ T10] __sys_sendmsg+0xcd/0x170 [ 6141.998752][ T10] do_syscall_64+0xc6/0x1e0 [ 6141.998752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.998752][ T10] [ 6142.000897][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6142.000897][ T10] netdev_get_by_index+0x5e/0x80 [ 6142.000897][ T10] fib6_nh_init+0x3d8/0x1580 [ 6142.000897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6142.000897][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6142.000897][ T10] ipv6_add_addr+0x411/0x2000 [ 6142.000897][ T10] inet6_addr_add+0x30e/0xa40 [ 6142.000897][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6142.000897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6142.000897][ T10] netlink_rcv_skb+0x130/0x360 [ 6142.000897][ T10] netlink_unicast+0x449/0x710 [ 6142.000897][ T10] netlink_sendmsg+0x723/0xbe0 [ 6142.000897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6142.000897][ T10] ___sys_sendmsg+0xee/0x170 [ 6142.000897][ T10] __sys_sendmsg+0xcd/0x170 [ 6142.000897][ T10] do_syscall_64+0xc6/0x1e0 [ 6142.000897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6142.000897][ T10] [ 6142.003028][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6142.003028][ T10] netdev_get_by_index+0x5e/0x80 [ 6142.003028][ T10] fib6_nh_init+0x3d8/0x1580 [ 6142.003028][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6142.003028][ T10] ip6_route_add+0x1c/0x140 [ 6142.003028][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6142.003028][ T10] addrconf_add_dev+0xe2/0x170 [ 6142.003028][ T10] inet6_addr_add+0x12f/0xa40 [ 6142.003028][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6142.003028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6142.003028][ T10] netlink_rcv_skb+0x130/0x360 [ 6142.003028][ T10] netlink_unicast+0x449/0x710 [ 6142.003028][ T10] netlink_sendmsg+0x723/0xbe0 [ 6142.003028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6142.003028][ T10] ___sys_sendmsg+0xee/0x170 [ 6142.003028][ T10] __sys_sendmsg+0xcd/0x170 [ 6142.003028][ T10] do_syscall_64+0xc6/0x1e0 [ 6142.003028][ T10] [ 6142.005126][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6142.005126][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6142.005126][ T10] ipv6_find_idev+0x102/0x170 [ 6142.005126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6142.005126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6142.005126][ T10] netlink_rcv_skb+0x130/0x360 [ 6142.005126][ T10] netlink_unicast+0x449/0x710 [ 6142.005126][ T10] netlink_sendmsg+0x723/0xbe0 [ 6142.005126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6142.005126][ T10] ___sys_sendmsg+0xee/0x170 [ 6142.005126][ T10] __sys_sendmsg+0xcd/0x170 [ 6142.005126][ T10] do_syscall_64+0xc6/0x1e0 [ 6142.005126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6142.005126][ T10] [ 6142.006777][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6142.006777][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6142.006777][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6142.006777][ T10] ipv6_find_idev+0x102/0x170 [ 6142.006777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6142.006777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6142.006777][ T10] netlink_rcv_skb+0x130/0x360 [ 6142.006777][ T10] netlink_unicast+0x449/0x710 [ 6142.006777][ T10] netlink_sendmsg+0x723/0xbe0 [ 6142.006777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6142.006777][ T10] ___sys_sendmsg+0xee/0x170 [ 6142.006777][ T10] __sys_sendmsg+0xcd/0x170 [ 6142.006777][ T10] do_syscall_64+0xc6/0x1e0 [ 6142.006777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6142.006777][ T10] [ 6150.969053][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6150.969545][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6150.969545][ T1167] dst_init+0x84/0x4a0 [ 6150.969545][ T1167] dst_alloc+0x97/0x150 [ 6150.969545][ T1167] ip6_dst_alloc+0x23/0x90 [ 6150.969545][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6150.969545][ T1167] ip6_pol_route+0x56f/0x840 [ 6150.969545][ T1167] fib6_rule_lookup+0x334/0x630 [ 6150.969545][ T1167] ip6_route_output_flags+0x259/0x480 [ 6150.969545][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6150.969545][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6150.969545][ T1167] netlink_rcv_skb+0x130/0x360 [ 6150.969545][ T1167] netlink_unicast+0x449/0x710 [ 6150.969545][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6150.969545][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6150.969545][ T1167] ___sys_sendmsg+0xee/0x170 [ 6150.969545][ T1167] __sys_sendmsg+0xcd/0x170 [ 6150.969545][ T1167] do_syscall_64+0xc6/0x1e0 [ 6150.969545][ T1167] [ 6150.971737][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6150.971737][ T1167] netdev_get_by_index+0x5e/0x80 [ 6150.971737][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6150.971737][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6150.971737][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6150.971737][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6150.971737][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6150.971737][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6150.971737][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6150.971737][ T1167] addrconf_dad_begin+0x310/0x670 [ 6150.971737][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6150.971737][ T1167] process_one_work+0x84d/0x18a0 [ 6150.971737][ T1167] worker_thread+0x587/0xd30 [ 6150.971737][ T1167] kthread+0x28a/0x350 [ 6150.971737][ T1167] ret_from_fork+0x31/0x70 [ 6150.971737][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6150.971737][ T1167] [ 6150.973884][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6150.973884][ T1167] netdev_get_by_index+0x5e/0x80 [ 6150.973884][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6150.973884][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6150.973884][ T1167] ip6_route_add+0x1c/0x140 [ 6150.973884][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6150.973884][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6150.973884][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6150.973884][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6150.973884][ T1167] netlink_rcv_skb+0x130/0x360 [ 6150.973884][ T1167] netlink_unicast+0x449/0x710 [ 6150.973884][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6150.973884][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6150.973884][ T1167] ___sys_sendmsg+0xee/0x170 [ 6150.973884][ T1167] __sys_sendmsg+0xcd/0x170 [ 6150.973884][ T1167] do_syscall_64+0xc6/0x1e0 [ 6150.973884][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6150.973884][ T1167] [ 6150.976120][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6150.976120][ T1167] netdev_get_by_index+0x5e/0x80 [ 6150.976120][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6150.976120][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6150.976120][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6150.976120][ T1167] ipv6_add_addr+0x411/0x2000 [ 6150.976120][ T1167] inet6_addr_add+0x30e/0xa40 [ 6150.976120][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6150.976120][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6150.976120][ T1167] netlink_rcv_skb+0x130/0x360 [ 6150.976120][ T1167] netlink_unicast+0x449/0x710 [ 6150.976120][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6150.976120][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6150.976120][ T1167] ___sys_sendmsg+0xee/0x170 [ 6150.976120][ T1167] __sys_sendmsg+0xcd/0x170 [ 6150.976120][ T1167] do_syscall_64+0xc6/0x1e0 [ 6150.976120][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6150.976120][ T1167] [ 6150.978355][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6150.978355][ T1167] netdev_get_by_index+0x5e/0x80 [ 6150.978355][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6150.978355][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6150.978355][ T1167] ip6_route_add+0x1c/0x140 [ 6150.978355][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6150.978355][ T1167] addrconf_add_dev+0xe2/0x170 [ 6150.978355][ T1167] inet6_addr_add+0x12f/0xa40 [ 6150.978355][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6150.978355][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6150.978355][ T1167] netlink_rcv_skb+0x130/0x360 [ 6150.978355][ T1167] netlink_unicast+0x449/0x710 [ 6150.978355][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6150.978355][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6150.978355][ T1167] ___sys_sendmsg+0xee/0x170 [ 6150.978355][ T1167] __sys_sendmsg+0xcd/0x170 [ 6150.978355][ T1167] do_syscall_64+0xc6/0x1e0 [ 6150.978355][ T1167] [ 6150.980565][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6150.980565][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6150.980565][ T1167] ipv6_find_idev+0x102/0x170 [ 6150.980565][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6150.980565][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6150.980565][ T1167] netlink_rcv_skb+0x130/0x360 [ 6150.980565][ T1167] netlink_unicast+0x449/0x710 [ 6150.980565][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6150.980565][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6150.980565][ T1167] ___sys_sendmsg+0xee/0x170 [ 6150.980565][ T1167] __sys_sendmsg+0xcd/0x170 [ 6150.980565][ T1167] do_syscall_64+0xc6/0x1e0 [ 6150.980565][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6150.980565][ T1167] [ 6150.982285][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6150.982285][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6150.982285][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6150.982285][ T1167] ipv6_find_idev+0x102/0x170 [ 6150.982285][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6150.982285][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6150.982285][ T1167] netlink_rcv_skb+0x130/0x360 [ 6150.982285][ T1167] netlink_unicast+0x449/0x710 [ 6150.982285][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6150.982285][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6150.982285][ T1167] ___sys_sendmsg+0xee/0x170 [ 6150.982285][ T1167] __sys_sendmsg+0xcd/0x170 [ 6150.982285][ T1167] do_syscall_64+0xc6/0x1e0 [ 6150.982285][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6150.982285][ T1167] [ 6152.249117][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6152.249583][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6152.249583][ T10] netdev_get_by_index+0x5e/0x80 [ 6152.249583][ T10] fib6_nh_init+0x3d8/0x1580 [ 6152.249583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6152.249583][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6152.249583][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6152.249583][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6152.249583][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6152.249583][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6152.249583][ T10] addrconf_dad_begin+0x310/0x670 [ 6152.249583][ T10] addrconf_dad_work+0x10b/0xab0 [ 6152.249583][ T10] process_one_work+0x84d/0x18a0 [ 6152.249583][ T10] worker_thread+0x587/0xd30 [ 6152.249583][ T10] kthread+0x28a/0x350 [ 6152.249583][ T10] ret_from_fork+0x31/0x70 [ 6152.249583][ T10] ret_from_fork_asm+0x1a/0x30 [ 6152.249583][ T10] [ 6152.251547][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6152.251547][ T10] netdev_get_by_index+0x5e/0x80 [ 6152.251547][ T10] fib6_nh_init+0x3d8/0x1580 [ 6152.251547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6152.251547][ T10] ip6_route_add+0x1c/0x140 [ 6152.251547][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6152.251547][ T10] inet6_addr_add+0x4f8/0xa40 [ 6152.251547][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6152.251547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6152.251547][ T10] netlink_rcv_skb+0x130/0x360 [ 6152.251547][ T10] netlink_unicast+0x449/0x710 [ 6152.251547][ T10] netlink_sendmsg+0x723/0xbe0 [ 6152.251547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6152.251547][ T10] ___sys_sendmsg+0xee/0x170 [ 6152.251547][ T10] __sys_sendmsg+0xcd/0x170 [ 6152.251547][ T10] do_syscall_64+0xc6/0x1e0 [ 6152.251547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6152.251547][ T10] [ 6152.253575][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6152.253575][ T10] netdev_get_by_index+0x5e/0x80 [ 6152.253575][ T10] fib6_nh_init+0x3d8/0x1580 [ 6152.253575][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6152.253575][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6152.253575][ T10] ipv6_add_addr+0x411/0x2000 [ 6152.253575][ T10] inet6_addr_add+0x30e/0xa40 [ 6152.253575][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6152.253575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6152.253575][ T10] netlink_rcv_skb+0x130/0x360 [ 6152.253575][ T10] netlink_unicast+0x449/0x710 [ 6152.253575][ T10] netlink_sendmsg+0x723/0xbe0 [ 6152.253575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6152.253575][ T10] ___sys_sendmsg+0xee/0x170 [ 6152.253575][ T10] __sys_sendmsg+0xcd/0x170 [ 6152.253575][ T10] do_syscall_64+0xc6/0x1e0 [ 6152.253575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6152.253575][ T10] [ 6152.255599][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6152.255599][ T10] netdev_get_by_index+0x5e/0x80 [ 6152.255599][ T10] fib6_nh_init+0x3d8/0x1580 [ 6152.255599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6152.255599][ T10] ip6_route_add+0x1c/0x140 [ 6152.255599][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6152.255599][ T10] addrconf_add_dev+0xe2/0x170 [ 6152.255599][ T10] inet6_addr_add+0x12f/0xa40 [ 6152.255599][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6152.255599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6152.255599][ T10] netlink_rcv_skb+0x130/0x360 [ 6152.255599][ T10] netlink_unicast+0x449/0x710 [ 6152.255599][ T10] netlink_sendmsg+0x723/0xbe0 [ 6152.255599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6152.255599][ T10] ___sys_sendmsg+0xee/0x170 [ 6152.255599][ T10] __sys_sendmsg+0xcd/0x170 [ 6152.255599][ T10] do_syscall_64+0xc6/0x1e0 [ 6152.255599][ T10] [ 6152.257586][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6152.257586][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6152.257586][ T10] ipv6_find_idev+0x102/0x170 [ 6152.257586][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6152.257586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6152.257586][ T10] netlink_rcv_skb+0x130/0x360 [ 6152.257586][ T10] netlink_unicast+0x449/0x710 [ 6152.257586][ T10] netlink_sendmsg+0x723/0xbe0 [ 6152.257586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6152.257586][ T10] ___sys_sendmsg+0xee/0x170 [ 6152.257586][ T10] __sys_sendmsg+0xcd/0x170 [ 6152.257586][ T10] do_syscall_64+0xc6/0x1e0 [ 6152.257586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6152.257586][ T10] [ 6152.259139][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6152.259139][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6152.259139][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6152.259139][ T10] ipv6_find_idev+0x102/0x170 [ 6152.259139][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6152.259139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6152.259139][ T10] netlink_rcv_skb+0x130/0x360 [ 6152.259139][ T10] netlink_unicast+0x449/0x710 [ 6152.259139][ T10] netlink_sendmsg+0x723/0xbe0 [ 6152.259139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6152.259139][ T10] ___sys_sendmsg+0xee/0x170 [ 6152.259139][ T10] __sys_sendmsg+0xcd/0x170 [ 6152.259139][ T10] do_syscall_64+0xc6/0x1e0 [ 6152.259139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6152.259139][ T10] [ 6152.260864][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6152.261117][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6152.261117][ T10] netdev_get_by_index+0x5e/0x80 [ 6152.261117][ T10] fib6_nh_init+0x3d8/0x1580 [ 6152.261117][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6152.261117][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6152.261117][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6152.261117][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6152.261117][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6152.261117][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6152.261117][ T10] addrconf_dad_begin+0x310/0x670 [ 6152.261117][ T10] addrconf_dad_work+0x10b/0xab0 [ 6152.261117][ T10] process_one_work+0x84d/0x18a0 [ 6152.261117][ T10] worker_thread+0x587/0xd30 [ 6152.261117][ T10] kthread+0x28a/0x350 [ 6152.261117][ T10] ret_from_fork+0x31/0x70 [ 6152.261117][ T10] ret_from_fork_asm+0x1a/0x30 [ 6152.261117][ T10] [ 6152.263056][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6152.263056][ T10] netdev_get_by_index+0x5e/0x80 [ 6152.263056][ T10] fib6_nh_init+0x3d8/0x1580 [ 6152.263056][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6152.263056][ T10] ip6_route_add+0x1c/0x140 [ 6152.263056][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6152.263056][ T10] inet6_addr_add+0x4f8/0xa40 [ 6152.263056][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6152.263056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6152.263056][ T10] netlink_rcv_skb+0x130/0x360 [ 6152.263056][ T10] netlink_unicast+0x449/0x710 [ 6152.263056][ T10] netlink_sendmsg+0x723/0xbe0 [ 6152.263056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6152.263056][ T10] ___sys_sendmsg+0xee/0x170 [ 6152.263056][ T10] __sys_sendmsg+0xcd/0x170 [ 6152.263056][ T10] do_syscall_64+0xc6/0x1e0 [ 6152.263056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6152.263056][ T10] [ 6152.265114][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6152.265114][ T10] netdev_get_by_index+0x5e/0x80 [ 6152.265114][ T10] fib6_nh_init+0x3d8/0x1580 [ 6152.265114][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6152.265114][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6152.265114][ T10] ipv6_add_addr+0x411/0x2000 [ 6152.265114][ T10] inet6_addr_add+0x30e/0xa40 [ 6152.265114][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6152.265114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6152.265114][ T10] netlink_rcv_skb+0x130/0x360 [ 6152.265114][ T10] netlink_unicast+0x449/0x710 [ 6152.265114][ T10] netlink_sendmsg+0x723/0xbe0 [ 6152.265114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6152.265114][ T10] ___sys_sendmsg+0xee/0x170 [ 6152.265114][ T10] __sys_sendmsg+0xcd/0x170 [ 6152.265114][ T10] do_syscall_64+0xc6/0x1e0 [ 6152.265114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6152.265114][ T10] [ 6152.267143][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6152.267143][ T10] netdev_get_by_index+0x5e/0x80 [ 6152.267143][ T10] fib6_nh_init+0x3d8/0x1580 [ 6152.267143][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6152.267143][ T10] ip6_route_add+0x1c/0x140 [ 6152.267143][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6152.267143][ T10] addrconf_add_dev+0xe2/0x170 [ 6152.267143][ T10] inet6_addr_add+0x12f/0xa40 [ 6152.267143][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6152.267143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6152.267143][ T10] netlink_rcv_skb+0x130/0x360 [ 6152.267143][ T10] netlink_unicast+0x449/0x710 [ 6152.267143][ T10] netlink_sendmsg+0x723/0xbe0 [ 6152.267143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6152.267143][ T10] ___sys_sendmsg+0xee/0x170 [ 6152.267143][ T10] __sys_sendmsg+0xcd/0x170 [ 6152.267143][ T10] do_syscall_64+0xc6/0x1e0 [ 6152.267143][ T10] [ 6152.269141][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6152.269141][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6152.269141][ T10] ipv6_find_idev+0x102/0x170 [ 6152.269141][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6152.269141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6152.269141][ T10] netlink_rcv_skb+0x130/0x360 [ 6152.269141][ T10] netlink_unicast+0x449/0x710 [ 6152.269141][ T10] netlink_sendmsg+0x723/0xbe0 [ 6152.269141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6152.269141][ T10] ___sys_sendmsg+0xee/0x170 [ 6152.269141][ T10] __sys_sendmsg+0xcd/0x170 [ 6152.269141][ T10] do_syscall_64+0xc6/0x1e0 [ 6152.269141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6152.269141][ T10] [ 6152.270694][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6152.270694][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6152.270694][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6152.270694][ T10] ipv6_find_idev+0x102/0x170 [ 6152.270694][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6152.270694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6152.270694][ T10] netlink_rcv_skb+0x130/0x360 [ 6152.270694][ T10] netlink_unicast+0x449/0x710 [ 6152.270694][ T10] netlink_sendmsg+0x723/0xbe0 [ 6152.270694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6152.270694][ T10] ___sys_sendmsg+0xee/0x170 [ 6152.270694][ T10] __sys_sendmsg+0xcd/0x170 [ 6152.270694][ T10] do_syscall_64+0xc6/0x1e0 [ 6152.270694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6152.270694][ T10] [ 6152.272400][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6152.272643][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6152.272643][ T10] netdev_get_by_index+0x5e/0x80 [ 6152.272643][ T10] fib6_nh_init+0x3d8/0x1580 [ 6152.272643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6152.272643][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6152.272643][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6152.272643][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6152.272643][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6152.272643][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6152.272643][ T10] addrconf_dad_begin+0x310/0x670 [ 6152.272643][ T10] addrconf_dad_work+0x10b/0xab0 [ 6152.272643][ T10] process_one_work+0x84d/0x18a0 [ 6152.272643][ T10] worker_thread+0x587/0xd30 [ 6152.272643][ T10] kthread+0x28a/0x350 [ 6152.272643][ T10] ret_from_fork+0x31/0x70 [ 6152.272643][ T10] ret_from_fork_asm+0x1a/0x30 [ 6152.272643][ T10] [ 6152.274564][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6152.274564][ T10] netdev_get_by_index+0x5e/0x80 [ 6152.274564][ T10] fib6_nh_init+0x3d8/0x1580 [ 6152.274564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6152.274564][ T10] ip6_route_add+0x1c/0x140 [ 6152.274564][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6152.274564][ T10] inet6_addr_add+0x4f8/0xa40 [ 6152.274564][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6152.274564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6152.274564][ T10] netlink_rcv_skb+0x130/0x360 [ 6152.274564][ T10] netlink_unicast+0x449/0x710 [ 6152.274564][ T10] netlink_sendmsg+0x723/0xbe0 [ 6152.274564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6152.274564][ T10] ___sys_sendmsg+0xee/0x170 [ 6152.274564][ T10] __sys_sendmsg+0xcd/0x170 [ 6152.274564][ T10] do_syscall_64+0xc6/0x1e0 [ 6152.274564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6152.274564][ T10] [ 6152.276757][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6152.276757][ T10] netdev_get_by_index+0x5e/0x80 [ 6152.276757][ T10] fib6_nh_init+0x3d8/0x1580 [ 6152.276757][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6152.276757][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6152.276757][ T10] ipv6_add_addr+0x411/0x2000 [ 6152.276757][ T10] inet6_addr_add+0x30e/0xa40 [ 6152.276757][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6152.276757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6152.276757][ T10] netlink_rcv_skb+0x130/0x360 [ 6152.276757][ T10] netlink_unicast+0x449/0x710 [ 6152.276757][ T10] netlink_sendmsg+0x723/0xbe0 [ 6152.276757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6152.276757][ T10] ___sys_sendmsg+0xee/0x170 [ 6152.276757][ T10] __sys_sendmsg+0xcd/0x170 [ 6152.276757][ T10] do_syscall_64+0xc6/0x1e0 [ 6152.276757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6152.276757][ T10] [ 6152.279083][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6152.279083][ T10] netdev_get_by_index+0x5e/0x80 [ 6152.279083][ T10] fib6_nh_init+0x3d8/0x1580 [ 6152.279083][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6152.279083][ T10] ip6_route_add+0x1c/0x140 [ 6152.279083][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6152.279083][ T10] addrconf_add_dev+0xe2/0x170 [ 6152.279083][ T10] inet6_addr_add+0x12f/0xa40 [ 6152.279083][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6152.279083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6152.279083][ T10] netlink_rcv_skb+0x130/0x360 [ 6152.279083][ T10] netlink_unicast+0x449/0x710 [ 6152.279083][ T10] netlink_sendmsg+0x723/0xbe0 [ 6152.279083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6152.279083][ T10] ___sys_sendmsg+0xee/0x170 [ 6152.279083][ T10] __sys_sendmsg+0xcd/0x170 [ 6152.279083][ T10] do_syscall_64+0xc6/0x1e0 [ 6152.279083][ T10] [ 6152.281327][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6152.281327][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6152.281327][ T10] ipv6_find_idev+0x102/0x170 [ 6152.281327][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6152.281327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6152.281327][ T10] netlink_rcv_skb+0x130/0x360 [ 6152.281327][ T10] netlink_unicast+0x449/0x710 [ 6152.281327][ T10] netlink_sendmsg+0x723/0xbe0 [ 6152.281327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6152.281327][ T10] ___sys_sendmsg+0xee/0x170 [ 6152.281327][ T10] __sys_sendmsg+0xcd/0x170 [ 6152.281327][ T10] do_syscall_64+0xc6/0x1e0 [ 6152.281327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6152.281327][ T10] [ 6152.283071][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6152.283071][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6152.283071][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6152.283071][ T10] ipv6_find_idev+0x102/0x170 [ 6152.283071][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6152.283071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6152.283071][ T10] netlink_rcv_skb+0x130/0x360 [ 6152.283071][ T10] netlink_unicast+0x449/0x710 [ 6152.283071][ T10] netlink_sendmsg+0x723/0xbe0 [ 6152.283071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6152.283071][ T10] ___sys_sendmsg+0xee/0x170 [ 6152.283071][ T10] __sys_sendmsg+0xcd/0x170 [ 6152.283071][ T10] do_syscall_64+0xc6/0x1e0 [ 6152.283071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6152.283071][ T10] [ 6152.284964][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6152.285635][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6152.285635][ T10] netdev_get_by_index+0x5e/0x80 [ 6152.285635][ T10] fib6_nh_init+0x3d8/0x1580 [ 6152.285635][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6152.285635][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6152.285635][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6152.285635][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6152.285635][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6152.285635][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6152.285635][ T10] addrconf_dad_begin+0x310/0x670 [ 6152.285635][ T10] addrconf_dad_work+0x10b/0xab0 [ 6152.285635][ T10] process_one_work+0x84d/0x18a0 [ 6152.285635][ T10] worker_thread+0x587/0xd30 [ 6152.285635][ T10] kthread+0x28a/0x350 [ 6152.285635][ T10] ret_from_fork+0x31/0x70 [ 6152.285635][ T10] ret_from_fork_asm+0x1a/0x30 [ 6152.285635][ T10] [ 6152.287573][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6152.287573][ T10] netdev_get_by_index+0x5e/0x80 [ 6152.287573][ T10] fib6_nh_init+0x3d8/0x1580 [ 6152.287573][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6152.287573][ T10] ip6_route_add+0x1c/0x140 [ 6152.287573][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6152.287573][ T10] inet6_addr_add+0x4f8/0xa40 [ 6152.287573][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6152.287573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6152.287573][ T10] netlink_rcv_skb+0x130/0x360 [ 6152.287573][ T10] netlink_unicast+0x449/0x710 [ 6152.287573][ T10] netlink_sendmsg+0x723/0xbe0 [ 6152.287573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6152.287573][ T10] ___sys_sendmsg+0xee/0x170 [ 6152.287573][ T10] __sys_sendmsg+0xcd/0x170 [ 6152.287573][ T10] do_syscall_64+0xc6/0x1e0 [ 6152.287573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6152.287573][ T10] [ 6152.289718][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6152.289718][ T10] netdev_get_by_index+0x5e/0x80 [ 6152.289718][ T10] fib6_nh_init+0x3d8/0x1580 [ 6152.289718][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6152.289718][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6152.289718][ T10] ipv6_add_addr+0x411/0x2000 [ 6152.289718][ T10] inet6_addr_add+0x30e/0xa40 [ 6152.289718][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6152.289718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6152.289718][ T10] netlink_rcv_skb+0x130/0x360 [ 6152.289718][ T10] netlink_unicast+0x449/0x710 [ 6152.289718][ T10] netlink_sendmsg+0x723/0xbe0 [ 6152.289718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6152.289718][ T10] ___sys_sendmsg+0xee/0x170 [ 6152.289718][ T10] __sys_sendmsg+0xcd/0x170 [ 6152.289718][ T10] do_syscall_64+0xc6/0x1e0 [ 6152.289718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6152.289718][ T10] [ 6152.292069][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6152.292069][ T10] netdev_get_by_index+0x5e/0x80 [ 6152.292069][ T10] fib6_nh_init+0x3d8/0x1580 [ 6152.292069][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6152.292069][ T10] ip6_route_add+0x1c/0x140 [ 6152.292069][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6152.292069][ T10] addrconf_add_dev+0xe2/0x170 [ 6152.292069][ T10] inet6_addr_add+0x12f/0xa40 [ 6152.292069][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6152.292069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6152.292069][ T10] netlink_rcv_skb+0x130/0x360 [ 6152.292069][ T10] netlink_unicast+0x449/0x710 [ 6152.292069][ T10] netlink_sendmsg+0x723/0xbe0 [ 6152.292069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6152.292069][ T10] ___sys_sendmsg+0xee/0x170 [ 6152.292069][ T10] __sys_sendmsg+0xcd/0x170 [ 6152.292069][ T10] do_syscall_64+0xc6/0x1e0 [ 6152.292069][ T10] [ 6152.294243][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6152.294243][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6152.294243][ T10] ipv6_find_idev+0x102/0x170 [ 6152.294243][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6152.294243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6152.294243][ T10] netlink_rcv_skb+0x130/0x360 [ 6152.294243][ T10] netlink_unicast+0x449/0x710 [ 6152.294243][ T10] netlink_sendmsg+0x723/0xbe0 [ 6152.294243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6152.294243][ T10] ___sys_sendmsg+0xee/0x170 [ 6152.294243][ T10] __sys_sendmsg+0xcd/0x170 [ 6152.294243][ T10] do_syscall_64+0xc6/0x1e0 [ 6152.294243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6152.294243][ T10] [ 6152.295991][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6152.295991][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6152.295991][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6152.295991][ T10] ipv6_find_idev+0x102/0x170 [ 6152.295991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6152.295991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6152.295991][ T10] netlink_rcv_skb+0x130/0x360 [ 6152.295991][ T10] netlink_unicast+0x449/0x710 [ 6152.295991][ T10] netlink_sendmsg+0x723/0xbe0 [ 6152.295991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6152.295991][ T10] ___sys_sendmsg+0xee/0x170 [ 6152.295991][ T10] __sys_sendmsg+0xcd/0x170 [ 6152.295991][ T10] do_syscall_64+0xc6/0x1e0 [ 6152.295991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6152.295991][ T10] [ 6161.225040][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6161.225575][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6161.225575][ T1167] dst_init+0x84/0x4a0 [ 6161.225575][ T1167] dst_alloc+0x97/0x150 [ 6161.225575][ T1167] ip6_dst_alloc+0x23/0x90 [ 6161.225575][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6161.225575][ T1167] ip6_pol_route+0x56f/0x840 [ 6161.225575][ T1167] fib6_rule_lookup+0x334/0x630 [ 6161.225575][ T1167] ip6_route_output_flags+0x259/0x480 [ 6161.225575][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6161.225575][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6161.225575][ T1167] netlink_rcv_skb+0x130/0x360 [ 6161.225575][ T1167] netlink_unicast+0x449/0x710 [ 6161.225575][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6161.225575][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6161.225575][ T1167] ___sys_sendmsg+0xee/0x170 [ 6161.225575][ T1167] __sys_sendmsg+0xcd/0x170 [ 6161.225575][ T1167] do_syscall_64+0xc6/0x1e0 [ 6161.225575][ T1167] [ 6161.229141][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6161.229141][ T1167] netdev_get_by_index+0x5e/0x80 [ 6161.229141][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6161.229141][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6161.229141][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6161.229141][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6161.229141][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6161.229141][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6161.229141][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6161.229141][ T1167] addrconf_dad_begin+0x310/0x670 [ 6161.229141][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6161.229141][ T1167] process_one_work+0x84d/0x18a0 [ 6161.229141][ T1167] worker_thread+0x587/0xd30 [ 6161.229141][ T1167] kthread+0x28a/0x350 [ 6161.229141][ T1167] ret_from_fork+0x31/0x70 [ 6161.229141][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6161.229141][ T1167] [ 6161.232702][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6161.232702][ T1167] netdev_get_by_index+0x5e/0x80 [ 6161.232702][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6161.232702][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6161.232702][ T1167] ip6_route_add+0x1c/0x140 [ 6161.232702][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6161.232702][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6161.232702][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6161.232702][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.232702][ T1167] netlink_rcv_skb+0x130/0x360 [ 6161.232702][ T1167] netlink_unicast+0x449/0x710 [ 6161.232702][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6161.232702][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6161.232702][ T1167] ___sys_sendmsg+0xee/0x170 [ 6161.232702][ T1167] __sys_sendmsg+0xcd/0x170 [ 6161.232702][ T1167] do_syscall_64+0xc6/0x1e0 [ 6161.232702][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6161.232702][ T1167] [ 6161.236368][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6161.236368][ T1167] netdev_get_by_index+0x5e/0x80 [ 6161.236368][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6161.236368][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6161.236368][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6161.236368][ T1167] ipv6_add_addr+0x411/0x2000 [ 6161.236368][ T1167] inet6_addr_add+0x30e/0xa40 [ 6161.236368][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6161.236368][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.236368][ T1167] netlink_rcv_skb+0x130/0x360 [ 6161.236368][ T1167] netlink_unicast+0x449/0x710 [ 6161.236368][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6161.236368][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6161.236368][ T1167] ___sys_sendmsg+0xee/0x170 [ 6161.236368][ T1167] __sys_sendmsg+0xcd/0x170 [ 6161.236368][ T1167] do_syscall_64+0xc6/0x1e0 [ 6161.236368][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6161.236368][ T1167] [ 6161.240039][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6161.240039][ T1167] netdev_get_by_index+0x5e/0x80 [ 6161.240039][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6161.240039][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6161.240039][ T1167] ip6_route_add+0x1c/0x140 [ 6161.240039][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6161.240039][ T1167] addrconf_add_dev+0xe2/0x170 [ 6161.240039][ T1167] inet6_addr_add+0x12f/0xa40 [ 6161.240039][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6161.240039][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.240039][ T1167] netlink_rcv_skb+0x130/0x360 [ 6161.240039][ T1167] netlink_unicast+0x449/0x710 [ 6161.240039][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6161.240039][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6161.240039][ T1167] ___sys_sendmsg+0xee/0x170 [ 6161.240039][ T1167] __sys_sendmsg+0xcd/0x170 [ 6161.240039][ T1167] do_syscall_64+0xc6/0x1e0 [ 6161.240039][ T1167] [ 6161.243653][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6161.243653][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6161.243653][ T1167] ipv6_find_idev+0x102/0x170 [ 6161.243653][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6161.243653][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.243653][ T1167] netlink_rcv_skb+0x130/0x360 [ 6161.243653][ T1167] netlink_unicast+0x449/0x710 [ 6161.243653][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6161.243653][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6161.243653][ T1167] ___sys_sendmsg+0xee/0x170 [ 6161.243653][ T1167] __sys_sendmsg+0xcd/0x170 [ 6161.243653][ T1167] do_syscall_64+0xc6/0x1e0 [ 6161.243653][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6161.243653][ T1167] [ 6161.246474][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6161.246474][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6161.246474][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6161.246474][ T1167] ipv6_find_idev+0x102/0x170 [ 6161.246474][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6161.246474][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.246474][ T1167] netlink_rcv_skb+0x130/0x360 [ 6161.246474][ T1167] netlink_unicast+0x449/0x710 [ 6161.246474][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6161.246474][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6161.246474][ T1167] ___sys_sendmsg+0xee/0x170 [ 6161.246474][ T1167] __sys_sendmsg+0xcd/0x170 [ 6161.246474][ T1167] do_syscall_64+0xc6/0x1e0 [ 6161.246474][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6161.246474][ T1167] [ 6162.537124][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6162.537547][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6162.537547][ T10] netdev_get_by_index+0x5e/0x80 [ 6162.537547][ T10] fib6_nh_init+0x3d8/0x1580 [ 6162.537547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6162.537547][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6162.537547][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6162.537547][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6162.537547][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6162.537547][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6162.537547][ T10] addrconf_dad_begin+0x310/0x670 [ 6162.537547][ T10] addrconf_dad_work+0x10b/0xab0 [ 6162.537547][ T10] process_one_work+0x84d/0x18a0 [ 6162.537547][ T10] worker_thread+0x587/0xd30 [ 6162.537547][ T10] kthread+0x28a/0x350 [ 6162.537547][ T10] ret_from_fork+0x31/0x70 [ 6162.537547][ T10] ret_from_fork_asm+0x1a/0x30 [ 6162.537547][ T10] [ 6162.539542][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6162.539542][ T10] netdev_get_by_index+0x5e/0x80 [ 6162.539542][ T10] fib6_nh_init+0x3d8/0x1580 [ 6162.539542][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6162.539542][ T10] ip6_route_add+0x1c/0x140 [ 6162.539542][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6162.539542][ T10] inet6_addr_add+0x4f8/0xa40 [ 6162.539542][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6162.539542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6162.539542][ T10] netlink_rcv_skb+0x130/0x360 [ 6162.539542][ T10] netlink_unicast+0x449/0x710 [ 6162.539542][ T10] netlink_sendmsg+0x723/0xbe0 [ 6162.539542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6162.539542][ T10] ___sys_sendmsg+0xee/0x170 [ 6162.539542][ T10] __sys_sendmsg+0xcd/0x170 [ 6162.539542][ T10] do_syscall_64+0xc6/0x1e0 [ 6162.539542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6162.539542][ T10] [ 6162.541557][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6162.541557][ T10] netdev_get_by_index+0x5e/0x80 [ 6162.541557][ T10] fib6_nh_init+0x3d8/0x1580 [ 6162.541557][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6162.541557][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6162.541557][ T10] ipv6_add_addr+0x411/0x2000 [ 6162.541557][ T10] inet6_addr_add+0x30e/0xa40 [ 6162.541557][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6162.541557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6162.541557][ T10] netlink_rcv_skb+0x130/0x360 [ 6162.541557][ T10] netlink_unicast+0x449/0x710 [ 6162.541557][ T10] netlink_sendmsg+0x723/0xbe0 [ 6162.541557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6162.541557][ T10] ___sys_sendmsg+0xee/0x170 [ 6162.541557][ T10] __sys_sendmsg+0xcd/0x170 [ 6162.541557][ T10] do_syscall_64+0xc6/0x1e0 [ 6162.541557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6162.541557][ T10] [ 6162.543576][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6162.543576][ T10] netdev_get_by_index+0x5e/0x80 [ 6162.543576][ T10] fib6_nh_init+0x3d8/0x1580 [ 6162.543576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6162.543576][ T10] ip6_route_add+0x1c/0x140 [ 6162.543576][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6162.543576][ T10] addrconf_add_dev+0xe2/0x170 [ 6162.543576][ T10] inet6_addr_add+0x12f/0xa40 [ 6162.543576][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6162.543576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6162.543576][ T10] netlink_rcv_skb+0x130/0x360 [ 6162.543576][ T10] netlink_unicast+0x449/0x710 [ 6162.543576][ T10] netlink_sendmsg+0x723/0xbe0 [ 6162.543576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6162.543576][ T10] ___sys_sendmsg+0xee/0x170 [ 6162.543576][ T10] __sys_sendmsg+0xcd/0x170 [ 6162.543576][ T10] do_syscall_64+0xc6/0x1e0 [ 6162.543576][ T10] [ 6162.545544][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6162.545544][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6162.545544][ T10] ipv6_find_idev+0x102/0x170 [ 6162.545544][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6162.545544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6162.545544][ T10] netlink_rcv_skb+0x130/0x360 [ 6162.545544][ T10] netlink_unicast+0x449/0x710 [ 6162.545544][ T10] netlink_sendmsg+0x723/0xbe0 [ 6162.545544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6162.545544][ T10] ___sys_sendmsg+0xee/0x170 [ 6162.545544][ T10] __sys_sendmsg+0xcd/0x170 [ 6162.545544][ T10] do_syscall_64+0xc6/0x1e0 [ 6162.545544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6162.545544][ T10] [ 6162.547082][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6162.547082][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6162.547082][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6162.547082][ T10] ipv6_find_idev+0x102/0x170 [ 6162.547082][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6162.547082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6162.547082][ T10] netlink_rcv_skb+0x130/0x360 [ 6162.547082][ T10] netlink_unicast+0x449/0x710 [ 6162.547082][ T10] netlink_sendmsg+0x723/0xbe0 [ 6162.547082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6162.547082][ T10] ___sys_sendmsg+0xee/0x170 [ 6162.547082][ T10] __sys_sendmsg+0xcd/0x170 [ 6162.547082][ T10] do_syscall_64+0xc6/0x1e0 [ 6162.547082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6162.547082][ T10] [ 6162.548793][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6162.549042][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6162.549042][ T10] netdev_get_by_index+0x5e/0x80 [ 6162.549042][ T10] fib6_nh_init+0x3d8/0x1580 [ 6162.549042][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6162.549042][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6162.549042][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6162.549042][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6162.549042][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6162.549042][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6162.549042][ T10] addrconf_dad_begin+0x310/0x670 [ 6162.549042][ T10] addrconf_dad_work+0x10b/0xab0 [ 6162.549042][ T10] process_one_work+0x84d/0x18a0 [ 6162.549042][ T10] worker_thread+0x587/0xd30 [ 6162.549042][ T10] kthread+0x28a/0x350 [ 6162.549042][ T10] ret_from_fork+0x31/0x70 [ 6162.549042][ T10] ret_from_fork_asm+0x1a/0x30 [ 6162.549042][ T10] [ 6162.550963][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6162.550963][ T10] netdev_get_by_index+0x5e/0x80 [ 6162.550963][ T10] fib6_nh_init+0x3d8/0x1580 [ 6162.550963][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6162.550963][ T10] ip6_route_add+0x1c/0x140 [ 6162.550963][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6162.550963][ T10] inet6_addr_add+0x4f8/0xa40 [ 6162.550963][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6162.550963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6162.550963][ T10] netlink_rcv_skb+0x130/0x360 [ 6162.550963][ T10] netlink_unicast+0x449/0x710 [ 6162.550963][ T10] netlink_sendmsg+0x723/0xbe0 [ 6162.550963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6162.550963][ T10] ___sys_sendmsg+0xee/0x170 [ 6162.550963][ T10] __sys_sendmsg+0xcd/0x170 [ 6162.550963][ T10] do_syscall_64+0xc6/0x1e0 [ 6162.550963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6162.550963][ T10] [ 6162.552960][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6162.552960][ T10] netdev_get_by_index+0x5e/0x80 [ 6162.552960][ T10] fib6_nh_init+0x3d8/0x1580 [ 6162.552960][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6162.552960][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6162.552960][ T10] ipv6_add_addr+0x411/0x2000 [ 6162.552960][ T10] inet6_addr_add+0x30e/0xa40 [ 6162.552960][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6162.552960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6162.552960][ T10] netlink_rcv_skb+0x130/0x360 [ 6162.552960][ T10] netlink_unicast+0x449/0x710 [ 6162.552960][ T10] netlink_sendmsg+0x723/0xbe0 [ 6162.552960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6162.552960][ T10] ___sys_sendmsg+0xee/0x170 [ 6162.552960][ T10] __sys_sendmsg+0xcd/0x170 [ 6162.552960][ T10] do_syscall_64+0xc6/0x1e0 [ 6162.552960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6162.552960][ T10] [ 6162.554962][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6162.554962][ T10] netdev_get_by_index+0x5e/0x80 [ 6162.554962][ T10] fib6_nh_init+0x3d8/0x1580 [ 6162.554962][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6162.554962][ T10] ip6_route_add+0x1c/0x140 [ 6162.554962][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6162.554962][ T10] addrconf_add_dev+0xe2/0x170 [ 6162.554962][ T10] inet6_addr_add+0x12f/0xa40 [ 6162.554962][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6162.554962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6162.554962][ T10] netlink_rcv_skb+0x130/0x360 [ 6162.554962][ T10] netlink_unicast+0x449/0x710 [ 6162.554962][ T10] netlink_sendmsg+0x723/0xbe0 [ 6162.554962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6162.554962][ T10] ___sys_sendmsg+0xee/0x170 [ 6162.554962][ T10] __sys_sendmsg+0xcd/0x170 [ 6162.554962][ T10] do_syscall_64+0xc6/0x1e0 [ 6162.554962][ T10] [ 6162.556929][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6162.556929][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6162.556929][ T10] ipv6_find_idev+0x102/0x170 [ 6162.556929][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6162.556929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6162.556929][ T10] netlink_rcv_skb+0x130/0x360 [ 6162.556929][ T10] netlink_unicast+0x449/0x710 [ 6162.556929][ T10] netlink_sendmsg+0x723/0xbe0 [ 6162.556929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6162.556929][ T10] ___sys_sendmsg+0xee/0x170 [ 6162.556929][ T10] __sys_sendmsg+0xcd/0x170 [ 6162.556929][ T10] do_syscall_64+0xc6/0x1e0 [ 6162.556929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6162.556929][ T10] [ 6162.558468][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6162.558468][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6162.558468][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6162.558468][ T10] ipv6_find_idev+0x102/0x170 [ 6162.558468][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6162.558468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6162.558468][ T10] netlink_rcv_skb+0x130/0x360 [ 6162.558468][ T10] netlink_unicast+0x449/0x710 [ 6162.558468][ T10] netlink_sendmsg+0x723/0xbe0 [ 6162.558468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6162.558468][ T10] ___sys_sendmsg+0xee/0x170 [ 6162.558468][ T10] __sys_sendmsg+0xcd/0x170 [ 6162.558468][ T10] do_syscall_64+0xc6/0x1e0 [ 6162.558468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6162.558468][ T10] [ 6162.560180][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6162.560432][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6162.560432][ T10] netdev_get_by_index+0x5e/0x80 [ 6162.560432][ T10] fib6_nh_init+0x3d8/0x1580 [ 6162.560432][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6162.560432][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6162.560432][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6162.560432][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6162.560432][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6162.560432][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6162.560432][ T10] addrconf_dad_begin+0x310/0x670 [ 6162.560432][ T10] addrconf_dad_work+0x10b/0xab0 [ 6162.560432][ T10] process_one_work+0x84d/0x18a0 [ 6162.560432][ T10] worker_thread+0x587/0xd30 [ 6162.560432][ T10] kthread+0x28a/0x350 [ 6162.560432][ T10] ret_from_fork+0x31/0x70 [ 6162.560432][ T10] ret_from_fork_asm+0x1a/0x30 [ 6162.560432][ T10] [ 6162.562350][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6162.562350][ T10] netdev_get_by_index+0x5e/0x80 [ 6162.562350][ T10] fib6_nh_init+0x3d8/0x1580 [ 6162.562350][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6162.562350][ T10] ip6_route_add+0x1c/0x140 [ 6162.562350][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6162.562350][ T10] inet6_addr_add+0x4f8/0xa40 [ 6162.562350][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6162.562350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6162.562350][ T10] netlink_rcv_skb+0x130/0x360 [ 6162.562350][ T10] netlink_unicast+0x449/0x710 [ 6162.562350][ T10] netlink_sendmsg+0x723/0xbe0 [ 6162.562350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6162.562350][ T10] ___sys_sendmsg+0xee/0x170 [ 6162.562350][ T10] __sys_sendmsg+0xcd/0x170 [ 6162.562350][ T10] do_syscall_64+0xc6/0x1e0 [ 6162.562350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6162.562350][ T10] [ 6162.564536][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6162.564536][ T10] netdev_get_by_index+0x5e/0x80 [ 6162.564536][ T10] fib6_nh_init+0x3d8/0x1580 [ 6162.564536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6162.564536][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6162.564536][ T10] ipv6_add_addr+0x411/0x2000 [ 6162.564536][ T10] inet6_addr_add+0x30e/0xa40 [ 6162.564536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6162.564536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6162.564536][ T10] netlink_rcv_skb+0x130/0x360 [ 6162.564536][ T10] netlink_unicast+0x449/0x710 [ 6162.564536][ T10] netlink_sendmsg+0x723/0xbe0 [ 6162.564536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6162.564536][ T10] ___sys_sendmsg+0xee/0x170 [ 6162.564536][ T10] __sys_sendmsg+0xcd/0x170 [ 6162.564536][ T10] do_syscall_64+0xc6/0x1e0 [ 6162.564536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6162.564536][ T10] [ 6162.566839][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6162.566839][ T10] netdev_get_by_index+0x5e/0x80 [ 6162.566839][ T10] fib6_nh_init+0x3d8/0x1580 [ 6162.566839][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6162.566839][ T10] ip6_route_add+0x1c/0x140 [ 6162.566839][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6162.566839][ T10] addrconf_add_dev+0xe2/0x170 [ 6162.566839][ T10] inet6_addr_add+0x12f/0xa40 [ 6162.566839][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6162.566839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6162.566839][ T10] netlink_rcv_skb+0x130/0x360 [ 6162.566839][ T10] netlink_unicast+0x449/0x710 [ 6162.566839][ T10] netlink_sendmsg+0x723/0xbe0 [ 6162.566839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6162.566839][ T10] ___sys_sendmsg+0xee/0x170 [ 6162.566839][ T10] __sys_sendmsg+0xcd/0x170 [ 6162.566839][ T10] do_syscall_64+0xc6/0x1e0 [ 6162.566839][ T10] [ 6162.569050][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6162.569050][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6162.569050][ T10] ipv6_find_idev+0x102/0x170 [ 6162.569050][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6162.569050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6162.569050][ T10] netlink_rcv_skb+0x130/0x360 [ 6162.569050][ T10] netlink_unicast+0x449/0x710 [ 6162.569050][ T10] netlink_sendmsg+0x723/0xbe0 [ 6162.569050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6162.569050][ T10] ___sys_sendmsg+0xee/0x170 [ 6162.569050][ T10] __sys_sendmsg+0xcd/0x170 [ 6162.569050][ T10] do_syscall_64+0xc6/0x1e0 [ 6162.569050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6162.569050][ T10] [ 6162.570772][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6162.570772][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6162.570772][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6162.570772][ T10] ipv6_find_idev+0x102/0x170 [ 6162.570772][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6162.570772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6162.570772][ T10] netlink_rcv_skb+0x130/0x360 [ 6162.570772][ T10] netlink_unicast+0x449/0x710 [ 6162.570772][ T10] netlink_sendmsg+0x723/0xbe0 [ 6162.570772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6162.570772][ T10] ___sys_sendmsg+0xee/0x170 [ 6162.570772][ T10] __sys_sendmsg+0xcd/0x170 [ 6162.570772][ T10] do_syscall_64+0xc6/0x1e0 [ 6162.570772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6162.570772][ T10] [ 6162.572642][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6162.572878][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6162.572878][ T10] netdev_get_by_index+0x5e/0x80 [ 6162.572878][ T10] fib6_nh_init+0x3d8/0x1580 [ 6162.572878][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6162.572878][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6162.572878][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6162.572878][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6162.572878][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6162.572878][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6162.572878][ T10] addrconf_dad_begin+0x310/0x670 [ 6162.572878][ T10] addrconf_dad_work+0x10b/0xab0 [ 6162.572878][ T10] process_one_work+0x84d/0x18a0 [ 6162.572878][ T10] worker_thread+0x587/0xd30 [ 6162.572878][ T10] kthread+0x28a/0x350 [ 6162.572878][ T10] ret_from_fork+0x31/0x70 [ 6162.572878][ T10] ret_from_fork_asm+0x1a/0x30 [ 6162.572878][ T10] [ 6162.575098][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6162.575098][ T10] netdev_get_by_index+0x5e/0x80 [ 6162.575098][ T10] fib6_nh_init+0x3d8/0x1580 [ 6162.575098][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6162.575098][ T10] ip6_route_add+0x1c/0x140 [ 6162.575098][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6162.575098][ T10] inet6_addr_add+0x4f8/0xa40 [ 6162.575098][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6162.575098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6162.575098][ T10] netlink_rcv_skb+0x130/0x360 [ 6162.575098][ T10] netlink_unicast+0x449/0x710 [ 6162.575098][ T10] netlink_sendmsg+0x723/0xbe0 [ 6162.575098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6162.575098][ T10] ___sys_sendmsg+0xee/0x170 [ 6162.575098][ T10] __sys_sendmsg+0xcd/0x170 [ 6162.575098][ T10] do_syscall_64+0xc6/0x1e0 [ 6162.575098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6162.575098][ T10] [ 6162.577338][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6162.577338][ T10] netdev_get_by_index+0x5e/0x80 [ 6162.577338][ T10] fib6_nh_init+0x3d8/0x1580 [ 6162.577338][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6162.577338][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6162.577338][ T10] ipv6_add_addr+0x411/0x2000 [ 6162.577338][ T10] inet6_addr_add+0x30e/0xa40 [ 6162.577338][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6162.577338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6162.577338][ T10] netlink_rcv_skb+0x130/0x360 [ 6162.577338][ T10] netlink_unicast+0x449/0x710 [ 6162.577338][ T10] netlink_sendmsg+0x723/0xbe0 [ 6162.577338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6162.577338][ T10] ___sys_sendmsg+0xee/0x170 [ 6162.577338][ T10] __sys_sendmsg+0xcd/0x170 [ 6162.577338][ T10] do_syscall_64+0xc6/0x1e0 [ 6162.577338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6162.577338][ T10] [ 6162.579584][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6162.579584][ T10] netdev_get_by_index+0x5e/0x80 [ 6162.579584][ T10] fib6_nh_init+0x3d8/0x1580 [ 6162.579584][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6162.579584][ T10] ip6_route_add+0x1c/0x140 [ 6162.579584][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6162.579584][ T10] addrconf_add_dev+0xe2/0x170 [ 6162.579584][ T10] inet6_addr_add+0x12f/0xa40 [ 6162.579584][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6162.579584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6162.579584][ T10] netlink_rcv_skb+0x130/0x360 [ 6162.579584][ T10] netlink_unicast+0x449/0x710 [ 6162.579584][ T10] netlink_sendmsg+0x723/0xbe0 [ 6162.579584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6162.579584][ T10] ___sys_sendmsg+0xee/0x170 [ 6162.579584][ T10] __sys_sendmsg+0xcd/0x170 [ 6162.579584][ T10] do_syscall_64+0xc6/0x1e0 [ 6162.579584][ T10] [ 6162.581724][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6162.581724][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6162.581724][ T10] ipv6_find_idev+0x102/0x170 [ 6162.581724][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6162.581724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6162.581724][ T10] netlink_rcv_skb+0x130/0x360 [ 6162.581724][ T10] netlink_unicast+0x449/0x710 [ 6162.581724][ T10] netlink_sendmsg+0x723/0xbe0 [ 6162.581724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6162.581724][ T10] ___sys_sendmsg+0xee/0x170 [ 6162.581724][ T10] __sys_sendmsg+0xcd/0x170 [ 6162.581724][ T10] do_syscall_64+0xc6/0x1e0 [ 6162.581724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6162.581724][ T10] [ 6162.583464][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6162.583464][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6162.583464][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6162.583464][ T10] ipv6_find_idev+0x102/0x170 [ 6162.583464][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6162.583464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6162.583464][ T10] netlink_rcv_skb+0x130/0x360 [ 6162.583464][ T10] netlink_unicast+0x449/0x710 [ 6162.583464][ T10] netlink_sendmsg+0x723/0xbe0 [ 6162.583464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6162.583464][ T10] ___sys_sendmsg+0xee/0x170 [ 6162.583464][ T10] __sys_sendmsg+0xcd/0x170 [ 6162.583464][ T10] do_syscall_64+0xc6/0x1e0 [ 6162.583464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6162.583464][ T10] [ 6171.489089][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6171.489497][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6171.489497][ T1167] dst_init+0x84/0x4a0 [ 6171.489497][ T1167] dst_alloc+0x97/0x150 [ 6171.489497][ T1167] ip6_dst_alloc+0x23/0x90 [ 6171.489497][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6171.489497][ T1167] ip6_pol_route+0x56f/0x840 [ 6171.489497][ T1167] fib6_rule_lookup+0x334/0x630 [ 6171.489497][ T1167] ip6_route_output_flags+0x259/0x480 [ 6171.489497][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6171.489497][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6171.489497][ T1167] netlink_rcv_skb+0x130/0x360 [ 6171.489497][ T1167] netlink_unicast+0x449/0x710 [ 6171.489497][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6171.489497][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6171.489497][ T1167] ___sys_sendmsg+0xee/0x170 [ 6171.489497][ T1167] __sys_sendmsg+0xcd/0x170 [ 6171.489497][ T1167] do_syscall_64+0xc6/0x1e0 [ 6171.489497][ T1167] [ 6171.491687][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6171.491687][ T1167] netdev_get_by_index+0x5e/0x80 [ 6171.491687][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6171.491687][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6171.491687][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6171.491687][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6171.491687][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6171.491687][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6171.491687][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6171.491687][ T1167] addrconf_dad_begin+0x310/0x670 [ 6171.491687][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6171.491687][ T1167] process_one_work+0x84d/0x18a0 [ 6171.491687][ T1167] worker_thread+0x587/0xd30 [ 6171.491687][ T1167] kthread+0x28a/0x350 [ 6171.491687][ T1167] ret_from_fork+0x31/0x70 [ 6171.491687][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6171.491687][ T1167] [ 6171.493821][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6171.493821][ T1167] netdev_get_by_index+0x5e/0x80 [ 6171.493821][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6171.493821][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6171.493821][ T1167] ip6_route_add+0x1c/0x140 [ 6171.493821][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6171.493821][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6171.493821][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6171.493821][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6171.493821][ T1167] netlink_rcv_skb+0x130/0x360 [ 6171.493821][ T1167] netlink_unicast+0x449/0x710 [ 6171.493821][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6171.493821][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6171.493821][ T1167] ___sys_sendmsg+0xee/0x170 [ 6171.493821][ T1167] __sys_sendmsg+0xcd/0x170 [ 6171.493821][ T1167] do_syscall_64+0xc6/0x1e0 [ 6171.493821][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6171.493821][ T1167] [ 6171.496056][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6171.496056][ T1167] netdev_get_by_index+0x5e/0x80 [ 6171.496056][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6171.496056][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6171.496056][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6171.496056][ T1167] ipv6_add_addr+0x411/0x2000 [ 6171.496056][ T1167] inet6_addr_add+0x30e/0xa40 [ 6171.496056][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6171.496056][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6171.496056][ T1167] netlink_rcv_skb+0x130/0x360 [ 6171.496056][ T1167] netlink_unicast+0x449/0x710 [ 6171.496056][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6171.496056][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6171.496056][ T1167] ___sys_sendmsg+0xee/0x170 [ 6171.496056][ T1167] __sys_sendmsg+0xcd/0x170 [ 6171.496056][ T1167] do_syscall_64+0xc6/0x1e0 [ 6171.496056][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6171.496056][ T1167] [ 6171.498287][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6171.498287][ T1167] netdev_get_by_index+0x5e/0x80 [ 6171.498287][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6171.498287][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6171.498287][ T1167] ip6_route_add+0x1c/0x140 [ 6171.498287][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6171.498287][ T1167] addrconf_add_dev+0xe2/0x170 [ 6171.498287][ T1167] inet6_addr_add+0x12f/0xa40 [ 6171.498287][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6171.498287][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6171.498287][ T1167] netlink_rcv_skb+0x130/0x360 [ 6171.498287][ T1167] netlink_unicast+0x449/0x710 [ 6171.498287][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6171.498287][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6171.498287][ T1167] ___sys_sendmsg+0xee/0x170 [ 6171.498287][ T1167] __sys_sendmsg+0xcd/0x170 [ 6171.498287][ T1167] do_syscall_64+0xc6/0x1e0 [ 6171.498287][ T1167] [ 6171.500534][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6171.500534][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6171.500534][ T1167] ipv6_find_idev+0x102/0x170 [ 6171.500534][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6171.500534][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6171.500534][ T1167] netlink_rcv_skb+0x130/0x360 [ 6171.500534][ T1167] netlink_unicast+0x449/0x710 [ 6171.500534][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6171.500534][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6171.500534][ T1167] ___sys_sendmsg+0xee/0x170 [ 6171.500534][ T1167] __sys_sendmsg+0xcd/0x170 [ 6171.500534][ T1167] do_syscall_64+0xc6/0x1e0 [ 6171.500534][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6171.500534][ T1167] [ 6171.502251][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6171.502251][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6171.502251][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6171.502251][ T1167] ipv6_find_idev+0x102/0x170 [ 6171.502251][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6171.502251][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6171.502251][ T1167] netlink_rcv_skb+0x130/0x360 [ 6171.502251][ T1167] netlink_unicast+0x449/0x710 [ 6171.502251][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6171.502251][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6171.502251][ T1167] ___sys_sendmsg+0xee/0x170 [ 6171.502251][ T1167] __sys_sendmsg+0xcd/0x170 [ 6171.502251][ T1167] do_syscall_64+0xc6/0x1e0 [ 6171.502251][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6171.502251][ T1167] [ 6172.825125][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6172.825516][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6172.825516][ T10] netdev_get_by_index+0x5e/0x80 [ 6172.825516][ T10] fib6_nh_init+0x3d8/0x1580 [ 6172.825516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6172.825516][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6172.825516][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6172.825516][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6172.825516][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6172.825516][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6172.825516][ T10] addrconf_dad_begin+0x310/0x670 [ 6172.825516][ T10] addrconf_dad_work+0x10b/0xab0 [ 6172.825516][ T10] process_one_work+0x84d/0x18a0 [ 6172.825516][ T10] worker_thread+0x587/0xd30 [ 6172.825516][ T10] kthread+0x28a/0x350 [ 6172.825516][ T10] ret_from_fork+0x31/0x70 [ 6172.825516][ T10] ret_from_fork_asm+0x1a/0x30 [ 6172.825516][ T10] [ 6172.827461][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6172.827461][ T10] netdev_get_by_index+0x5e/0x80 [ 6172.827461][ T10] fib6_nh_init+0x3d8/0x1580 [ 6172.827461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6172.827461][ T10] ip6_route_add+0x1c/0x140 [ 6172.827461][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6172.827461][ T10] inet6_addr_add+0x4f8/0xa40 [ 6172.827461][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6172.827461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.827461][ T10] netlink_rcv_skb+0x130/0x360 [ 6172.827461][ T10] netlink_unicast+0x449/0x710 [ 6172.827461][ T10] netlink_sendmsg+0x723/0xbe0 [ 6172.827461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6172.827461][ T10] ___sys_sendmsg+0xee/0x170 [ 6172.827461][ T10] __sys_sendmsg+0xcd/0x170 [ 6172.827461][ T10] do_syscall_64+0xc6/0x1e0 [ 6172.827461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.827461][ T10] [ 6172.829501][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6172.829501][ T10] netdev_get_by_index+0x5e/0x80 [ 6172.829501][ T10] fib6_nh_init+0x3d8/0x1580 [ 6172.829501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6172.829501][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6172.829501][ T10] ipv6_add_addr+0x411/0x2000 [ 6172.829501][ T10] inet6_addr_add+0x30e/0xa40 [ 6172.829501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6172.829501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.829501][ T10] netlink_rcv_skb+0x130/0x360 [ 6172.829501][ T10] netlink_unicast+0x449/0x710 [ 6172.829501][ T10] netlink_sendmsg+0x723/0xbe0 [ 6172.829501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6172.829501][ T10] ___sys_sendmsg+0xee/0x170 [ 6172.829501][ T10] __sys_sendmsg+0xcd/0x170 [ 6172.829501][ T10] do_syscall_64+0xc6/0x1e0 [ 6172.829501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.829501][ T10] [ 6172.831513][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6172.831513][ T10] netdev_get_by_index+0x5e/0x80 [ 6172.831513][ T10] fib6_nh_init+0x3d8/0x1580 [ 6172.831513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6172.831513][ T10] ip6_route_add+0x1c/0x140 [ 6172.831513][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6172.831513][ T10] addrconf_add_dev+0xe2/0x170 [ 6172.831513][ T10] inet6_addr_add+0x12f/0xa40 [ 6172.831513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6172.831513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.831513][ T10] netlink_rcv_skb+0x130/0x360 [ 6172.831513][ T10] netlink_unicast+0x449/0x710 [ 6172.831513][ T10] netlink_sendmsg+0x723/0xbe0 [ 6172.831513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6172.831513][ T10] ___sys_sendmsg+0xee/0x170 [ 6172.831513][ T10] __sys_sendmsg+0xcd/0x170 [ 6172.831513][ T10] do_syscall_64+0xc6/0x1e0 [ 6172.831513][ T10] [ 6172.833488][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6172.833488][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6172.833488][ T10] ipv6_find_idev+0x102/0x170 [ 6172.833488][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6172.833488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.833488][ T10] netlink_rcv_skb+0x130/0x360 [ 6172.833488][ T10] netlink_unicast+0x449/0x710 [ 6172.833488][ T10] netlink_sendmsg+0x723/0xbe0 [ 6172.833488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6172.833488][ T10] ___sys_sendmsg+0xee/0x170 [ 6172.833488][ T10] __sys_sendmsg+0xcd/0x170 [ 6172.833488][ T10] do_syscall_64+0xc6/0x1e0 [ 6172.833488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.833488][ T10] [ 6172.835032][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6172.835032][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6172.835032][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6172.835032][ T10] ipv6_find_idev+0x102/0x170 [ 6172.835032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6172.835032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.835032][ T10] netlink_rcv_skb+0x130/0x360 [ 6172.835032][ T10] netlink_unicast+0x449/0x710 [ 6172.835032][ T10] netlink_sendmsg+0x723/0xbe0 [ 6172.835032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6172.835032][ T10] ___sys_sendmsg+0xee/0x170 [ 6172.835032][ T10] __sys_sendmsg+0xcd/0x170 [ 6172.835032][ T10] do_syscall_64+0xc6/0x1e0 [ 6172.835032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.835032][ T10] [ 6172.836746][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6172.836991][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6172.836991][ T10] netdev_get_by_index+0x5e/0x80 [ 6172.836991][ T10] fib6_nh_init+0x3d8/0x1580 [ 6172.836991][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6172.836991][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6172.836991][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6172.836991][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6172.836991][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6172.836991][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6172.836991][ T10] addrconf_dad_begin+0x310/0x670 [ 6172.836991][ T10] addrconf_dad_work+0x10b/0xab0 [ 6172.836991][ T10] process_one_work+0x84d/0x18a0 [ 6172.836991][ T10] worker_thread+0x587/0xd30 [ 6172.836991][ T10] kthread+0x28a/0x350 [ 6172.836991][ T10] ret_from_fork+0x31/0x70 [ 6172.836991][ T10] ret_from_fork_asm+0x1a/0x30 [ 6172.836991][ T10] [ 6172.838912][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6172.838912][ T10] netdev_get_by_index+0x5e/0x80 [ 6172.838912][ T10] fib6_nh_init+0x3d8/0x1580 [ 6172.838912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6172.838912][ T10] ip6_route_add+0x1c/0x140 [ 6172.838912][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6172.838912][ T10] inet6_addr_add+0x4f8/0xa40 [ 6172.838912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6172.838912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.838912][ T10] netlink_rcv_skb+0x130/0x360 [ 6172.838912][ T10] netlink_unicast+0x449/0x710 [ 6172.838912][ T10] netlink_sendmsg+0x723/0xbe0 [ 6172.838912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6172.838912][ T10] ___sys_sendmsg+0xee/0x170 [ 6172.838912][ T10] __sys_sendmsg+0xcd/0x170 [ 6172.838912][ T10] do_syscall_64+0xc6/0x1e0 [ 6172.838912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.838912][ T10] [ 6172.840918][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6172.840918][ T10] netdev_get_by_index+0x5e/0x80 [ 6172.840918][ T10] fib6_nh_init+0x3d8/0x1580 [ 6172.840918][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6172.840918][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6172.840918][ T10] ipv6_add_addr+0x411/0x2000 [ 6172.840918][ T10] inet6_addr_add+0x30e/0xa40 [ 6172.840918][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6172.840918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.840918][ T10] netlink_rcv_skb+0x130/0x360 [ 6172.840918][ T10] netlink_unicast+0x449/0x710 [ 6172.840918][ T10] netlink_sendmsg+0x723/0xbe0 [ 6172.840918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6172.840918][ T10] ___sys_sendmsg+0xee/0x170 [ 6172.840918][ T10] __sys_sendmsg+0xcd/0x170 [ 6172.840918][ T10] do_syscall_64+0xc6/0x1e0 [ 6172.840918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.840918][ T10] [ 6172.842920][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6172.842920][ T10] netdev_get_by_index+0x5e/0x80 [ 6172.842920][ T10] fib6_nh_init+0x3d8/0x1580 [ 6172.842920][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6172.842920][ T10] ip6_route_add+0x1c/0x140 [ 6172.842920][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6172.842920][ T10] addrconf_add_dev+0xe2/0x170 [ 6172.842920][ T10] inet6_addr_add+0x12f/0xa40 [ 6172.842920][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6172.842920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.842920][ T10] netlink_rcv_skb+0x130/0x360 [ 6172.842920][ T10] netlink_unicast+0x449/0x710 [ 6172.842920][ T10] netlink_sendmsg+0x723/0xbe0 [ 6172.842920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6172.842920][ T10] ___sys_sendmsg+0xee/0x170 [ 6172.842920][ T10] __sys_sendmsg+0xcd/0x170 [ 6172.842920][ T10] do_syscall_64+0xc6/0x1e0 [ 6172.842920][ T10] [ 6172.844887][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6172.844887][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6172.844887][ T10] ipv6_find_idev+0x102/0x170 [ 6172.844887][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6172.844887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.844887][ T10] netlink_rcv_skb+0x130/0x360 [ 6172.844887][ T10] netlink_unicast+0x449/0x710 [ 6172.844887][ T10] netlink_sendmsg+0x723/0xbe0 [ 6172.844887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6172.844887][ T10] ___sys_sendmsg+0xee/0x170 [ 6172.844887][ T10] __sys_sendmsg+0xcd/0x170 [ 6172.844887][ T10] do_syscall_64+0xc6/0x1e0 [ 6172.844887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.844887][ T10] [ 6172.846423][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6172.846423][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6172.846423][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6172.846423][ T10] ipv6_find_idev+0x102/0x170 [ 6172.846423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6172.846423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.846423][ T10] netlink_rcv_skb+0x130/0x360 [ 6172.846423][ T10] netlink_unicast+0x449/0x710 [ 6172.846423][ T10] netlink_sendmsg+0x723/0xbe0 [ 6172.846423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6172.846423][ T10] ___sys_sendmsg+0xee/0x170 [ 6172.846423][ T10] __sys_sendmsg+0xcd/0x170 [ 6172.846423][ T10] do_syscall_64+0xc6/0x1e0 [ 6172.846423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.846423][ T10] [ 6172.848117][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6172.848354][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6172.848354][ T10] netdev_get_by_index+0x5e/0x80 [ 6172.848354][ T10] fib6_nh_init+0x3d8/0x1580 [ 6172.848354][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6172.848354][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6172.848354][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6172.848354][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6172.848354][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6172.848354][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6172.848354][ T10] addrconf_dad_begin+0x310/0x670 [ 6172.848354][ T10] addrconf_dad_work+0x10b/0xab0 [ 6172.848354][ T10] process_one_work+0x84d/0x18a0 [ 6172.848354][ T10] worker_thread+0x587/0xd30 [ 6172.848354][ T10] kthread+0x28a/0x350 [ 6172.848354][ T10] ret_from_fork+0x31/0x70 [ 6172.848354][ T10] ret_from_fork_asm+0x1a/0x30 [ 6172.848354][ T10] [ 6172.850299][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6172.850299][ T10] netdev_get_by_index+0x5e/0x80 [ 6172.850299][ T10] fib6_nh_init+0x3d8/0x1580 [ 6172.850299][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6172.850299][ T10] ip6_route_add+0x1c/0x140 [ 6172.850299][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6172.850299][ T10] inet6_addr_add+0x4f8/0xa40 [ 6172.850299][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6172.850299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.850299][ T10] netlink_rcv_skb+0x130/0x360 [ 6172.850299][ T10] netlink_unicast+0x449/0x710 [ 6172.850299][ T10] netlink_sendmsg+0x723/0xbe0 [ 6172.850299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6172.850299][ T10] ___sys_sendmsg+0xee/0x170 [ 6172.850299][ T10] __sys_sendmsg+0xcd/0x170 [ 6172.850299][ T10] do_syscall_64+0xc6/0x1e0 [ 6172.850299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.850299][ T10] [ 6172.852511][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6172.852511][ T10] netdev_get_by_index+0x5e/0x80 [ 6172.852511][ T10] fib6_nh_init+0x3d8/0x1580 [ 6172.852511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6172.852511][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6172.852511][ T10] ipv6_add_addr+0x411/0x2000 [ 6172.852511][ T10] inet6_addr_add+0x30e/0xa40 [ 6172.852511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6172.852511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.852511][ T10] netlink_rcv_skb+0x130/0x360 [ 6172.852511][ T10] netlink_unicast+0x449/0x710 [ 6172.852511][ T10] netlink_sendmsg+0x723/0xbe0 [ 6172.852511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6172.852511][ T10] ___sys_sendmsg+0xee/0x170 [ 6172.852511][ T10] __sys_sendmsg+0xcd/0x170 [ 6172.852511][ T10] do_syscall_64+0xc6/0x1e0 [ 6172.852511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.852511][ T10] [ 6172.854767][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6172.854767][ T10] netdev_get_by_index+0x5e/0x80 [ 6172.854767][ T10] fib6_nh_init+0x3d8/0x1580 [ 6172.854767][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6172.854767][ T10] ip6_route_add+0x1c/0x140 [ 6172.854767][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6172.854767][ T10] addrconf_add_dev+0xe2/0x170 [ 6172.854767][ T10] inet6_addr_add+0x12f/0xa40 [ 6172.854767][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6172.854767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.854767][ T10] netlink_rcv_skb+0x130/0x360 [ 6172.854767][ T10] netlink_unicast+0x449/0x710 [ 6172.854767][ T10] netlink_sendmsg+0x723/0xbe0 [ 6172.854767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6172.854767][ T10] ___sys_sendmsg+0xee/0x170 [ 6172.854767][ T10] __sys_sendmsg+0xcd/0x170 [ 6172.854767][ T10] do_syscall_64+0xc6/0x1e0 [ 6172.854767][ T10] [ 6172.856978][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6172.856978][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6172.856978][ T10] ipv6_find_idev+0x102/0x170 [ 6172.856978][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6172.856978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.856978][ T10] netlink_rcv_skb+0x130/0x360 [ 6172.856978][ T10] netlink_unicast+0x449/0x710 [ 6172.856978][ T10] netlink_sendmsg+0x723/0xbe0 [ 6172.856978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6172.856978][ T10] ___sys_sendmsg+0xee/0x170 [ 6172.856978][ T10] __sys_sendmsg+0xcd/0x170 [ 6172.856978][ T10] do_syscall_64+0xc6/0x1e0 [ 6172.856978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.856978][ T10] [ 6172.858707][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6172.858707][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6172.858707][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6172.858707][ T10] ipv6_find_idev+0x102/0x170 [ 6172.858707][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6172.858707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.858707][ T10] netlink_rcv_skb+0x130/0x360 [ 6172.858707][ T10] netlink_unicast+0x449/0x710 [ 6172.858707][ T10] netlink_sendmsg+0x723/0xbe0 [ 6172.858707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6172.858707][ T10] ___sys_sendmsg+0xee/0x170 [ 6172.858707][ T10] __sys_sendmsg+0xcd/0x170 [ 6172.858707][ T10] do_syscall_64+0xc6/0x1e0 [ 6172.858707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.858707][ T10] [ 6172.860662][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6172.860902][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6172.860902][ T10] netdev_get_by_index+0x5e/0x80 [ 6172.860902][ T10] fib6_nh_init+0x3d8/0x1580 [ 6172.860902][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6172.860902][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6172.860902][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6172.860902][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6172.860902][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6172.860902][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6172.860902][ T10] addrconf_dad_begin+0x310/0x670 [ 6172.860902][ T10] addrconf_dad_work+0x10b/0xab0 [ 6172.860902][ T10] process_one_work+0x84d/0x18a0 [ 6172.860902][ T10] worker_thread+0x587/0xd30 [ 6172.860902][ T10] kthread+0x28a/0x350 [ 6172.860902][ T10] ret_from_fork+0x31/0x70 [ 6172.860902][ T10] ret_from_fork_asm+0x1a/0x30 [ 6172.860902][ T10] [ 6172.863060][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6172.863060][ T10] netdev_get_by_index+0x5e/0x80 [ 6172.863060][ T10] fib6_nh_init+0x3d8/0x1580 [ 6172.863060][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6172.863060][ T10] ip6_route_add+0x1c/0x140 [ 6172.863060][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6172.863060][ T10] inet6_addr_add+0x4f8/0xa40 [ 6172.863060][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6172.863060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.863060][ T10] netlink_rcv_skb+0x130/0x360 [ 6172.863060][ T10] netlink_unicast+0x449/0x710 [ 6172.863060][ T10] netlink_sendmsg+0x723/0xbe0 [ 6172.863060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6172.863060][ T10] ___sys_sendmsg+0xee/0x170 [ 6172.863060][ T10] __sys_sendmsg+0xcd/0x170 [ 6172.863060][ T10] do_syscall_64+0xc6/0x1e0 [ 6172.863060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.863060][ T10] [ 6172.865302][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6172.865302][ T10] netdev_get_by_index+0x5e/0x80 [ 6172.865302][ T10] fib6_nh_init+0x3d8/0x1580 [ 6172.865302][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6172.865302][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6172.865302][ T10] ipv6_add_addr+0x411/0x2000 [ 6172.865302][ T10] inet6_addr_add+0x30e/0xa40 [ 6172.865302][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6172.865302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.865302][ T10] netlink_rcv_skb+0x130/0x360 [ 6172.865302][ T10] netlink_unicast+0x449/0x710 [ 6172.865302][ T10] netlink_sendmsg+0x723/0xbe0 [ 6172.865302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6172.865302][ T10] ___sys_sendmsg+0xee/0x170 [ 6172.865302][ T10] __sys_sendmsg+0xcd/0x170 [ 6172.865302][ T10] do_syscall_64+0xc6/0x1e0 [ 6172.865302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.865302][ T10] [ 6172.867555][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6172.867555][ T10] netdev_get_by_index+0x5e/0x80 [ 6172.867555][ T10] fib6_nh_init+0x3d8/0x1580 [ 6172.867555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6172.867555][ T10] ip6_route_add+0x1c/0x140 [ 6172.867555][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6172.867555][ T10] addrconf_add_dev+0xe2/0x170 [ 6172.867555][ T10] inet6_addr_add+0x12f/0xa40 [ 6172.867555][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6172.867555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.867555][ T10] netlink_rcv_skb+0x130/0x360 [ 6172.867555][ T10] netlink_unicast+0x449/0x710 [ 6172.867555][ T10] netlink_sendmsg+0x723/0xbe0 [ 6172.867555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6172.867555][ T10] ___sys_sendmsg+0xee/0x170 [ 6172.867555][ T10] __sys_sendmsg+0xcd/0x170 [ 6172.867555][ T10] do_syscall_64+0xc6/0x1e0 [ 6172.867555][ T10] [ 6172.870307][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6172.870307][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6172.870307][ T10] ipv6_find_idev+0x102/0x170 [ 6172.870307][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6172.870307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.870307][ T10] netlink_rcv_skb+0x130/0x360 [ 6172.870307][ T10] netlink_unicast+0x449/0x710 [ 6172.870307][ T10] netlink_sendmsg+0x723/0xbe0 [ 6172.870307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6172.870307][ T10] ___sys_sendmsg+0xee/0x170 [ 6172.870307][ T10] __sys_sendmsg+0xcd/0x170 [ 6172.870307][ T10] do_syscall_64+0xc6/0x1e0 [ 6172.870307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.870307][ T10] [ 6172.872032][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6172.872032][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6172.872032][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6172.872032][ T10] ipv6_find_idev+0x102/0x170 [ 6172.872032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6172.872032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6172.872032][ T10] netlink_rcv_skb+0x130/0x360 [ 6172.872032][ T10] netlink_unicast+0x449/0x710 [ 6172.872032][ T10] netlink_sendmsg+0x723/0xbe0 [ 6172.872032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6172.872032][ T10] ___sys_sendmsg+0xee/0x170 [ 6172.872032][ T10] __sys_sendmsg+0xcd/0x170 [ 6172.872032][ T10] do_syscall_64+0xc6/0x1e0 [ 6172.872032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6172.872032][ T10] [ 6181.745047][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6181.745451][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6181.745451][ T1167] dst_init+0x84/0x4a0 [ 6181.745451][ T1167] dst_alloc+0x97/0x150 [ 6181.745451][ T1167] ip6_dst_alloc+0x23/0x90 [ 6181.745451][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6181.745451][ T1167] ip6_pol_route+0x56f/0x840 [ 6181.745451][ T1167] fib6_rule_lookup+0x334/0x630 [ 6181.745451][ T1167] ip6_route_output_flags+0x259/0x480 [ 6181.745451][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6181.745451][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6181.745451][ T1167] netlink_rcv_skb+0x130/0x360 [ 6181.745451][ T1167] netlink_unicast+0x449/0x710 [ 6181.745451][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6181.745451][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6181.745451][ T1167] ___sys_sendmsg+0xee/0x170 [ 6181.745451][ T1167] __sys_sendmsg+0xcd/0x170 [ 6181.745451][ T1167] do_syscall_64+0xc6/0x1e0 [ 6181.745451][ T1167] [ 6181.747628][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6181.747628][ T1167] netdev_get_by_index+0x5e/0x80 [ 6181.747628][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6181.747628][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6181.747628][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6181.747628][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6181.747628][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6181.747628][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6181.747628][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6181.747628][ T1167] addrconf_dad_begin+0x310/0x670 [ 6181.747628][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6181.747628][ T1167] process_one_work+0x84d/0x18a0 [ 6181.747628][ T1167] worker_thread+0x587/0xd30 [ 6181.747628][ T1167] kthread+0x28a/0x350 [ 6181.747628][ T1167] ret_from_fork+0x31/0x70 [ 6181.747628][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6181.747628][ T1167] [ 6181.749764][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6181.749764][ T1167] netdev_get_by_index+0x5e/0x80 [ 6181.749764][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6181.749764][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6181.749764][ T1167] ip6_route_add+0x1c/0x140 [ 6181.749764][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6181.749764][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6181.749764][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6181.749764][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6181.749764][ T1167] netlink_rcv_skb+0x130/0x360 [ 6181.749764][ T1167] netlink_unicast+0x449/0x710 [ 6181.749764][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6181.749764][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6181.749764][ T1167] ___sys_sendmsg+0xee/0x170 [ 6181.749764][ T1167] __sys_sendmsg+0xcd/0x170 [ 6181.749764][ T1167] do_syscall_64+0xc6/0x1e0 [ 6181.749764][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6181.749764][ T1167] [ 6181.751988][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6181.751988][ T1167] netdev_get_by_index+0x5e/0x80 [ 6181.751988][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6181.751988][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6181.751988][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6181.751988][ T1167] ipv6_add_addr+0x411/0x2000 [ 6181.751988][ T1167] inet6_addr_add+0x30e/0xa40 [ 6181.751988][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6181.751988][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6181.751988][ T1167] netlink_rcv_skb+0x130/0x360 [ 6181.751988][ T1167] netlink_unicast+0x449/0x710 [ 6181.751988][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6181.751988][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6181.751988][ T1167] ___sys_sendmsg+0xee/0x170 [ 6181.751988][ T1167] __sys_sendmsg+0xcd/0x170 [ 6181.751988][ T1167] do_syscall_64+0xc6/0x1e0 [ 6181.751988][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6181.751988][ T1167] [ 6181.754215][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6181.754215][ T1167] netdev_get_by_index+0x5e/0x80 [ 6181.754215][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6181.754215][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6181.754215][ T1167] ip6_route_add+0x1c/0x140 [ 6181.754215][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6181.754215][ T1167] addrconf_add_dev+0xe2/0x170 [ 6181.754215][ T1167] inet6_addr_add+0x12f/0xa40 [ 6181.754215][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6181.754215][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6181.754215][ T1167] netlink_rcv_skb+0x130/0x360 [ 6181.754215][ T1167] netlink_unicast+0x449/0x710 [ 6181.754215][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6181.754215][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6181.754215][ T1167] ___sys_sendmsg+0xee/0x170 [ 6181.754215][ T1167] __sys_sendmsg+0xcd/0x170 [ 6181.754215][ T1167] do_syscall_64+0xc6/0x1e0 [ 6181.754215][ T1167] [ 6181.756402][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6181.756402][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6181.756402][ T1167] ipv6_find_idev+0x102/0x170 [ 6181.756402][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6181.756402][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6181.756402][ T1167] netlink_rcv_skb+0x130/0x360 [ 6181.756402][ T1167] netlink_unicast+0x449/0x710 [ 6181.756402][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6181.756402][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6181.756402][ T1167] ___sys_sendmsg+0xee/0x170 [ 6181.756402][ T1167] __sys_sendmsg+0xcd/0x170 [ 6181.756402][ T1167] do_syscall_64+0xc6/0x1e0 [ 6181.756402][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6181.756402][ T1167] [ 6181.758113][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6181.758113][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6181.758113][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6181.758113][ T1167] ipv6_find_idev+0x102/0x170 [ 6181.758113][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6181.758113][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6181.758113][ T1167] netlink_rcv_skb+0x130/0x360 [ 6181.758113][ T1167] netlink_unicast+0x449/0x710 [ 6181.758113][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6181.758113][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6181.758113][ T1167] ___sys_sendmsg+0xee/0x170 [ 6181.758113][ T1167] __sys_sendmsg+0xcd/0x170 [ 6181.758113][ T1167] do_syscall_64+0xc6/0x1e0 [ 6181.758113][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6181.758113][ T1167] [ 6183.113129][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6183.113484][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6183.113484][ T10] netdev_get_by_index+0x5e/0x80 [ 6183.113484][ T10] fib6_nh_init+0x3d8/0x1580 [ 6183.113484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6183.113484][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6183.113484][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6183.113484][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6183.113484][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6183.113484][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6183.113484][ T10] addrconf_dad_begin+0x310/0x670 [ 6183.113484][ T10] addrconf_dad_work+0x10b/0xab0 [ 6183.113484][ T10] process_one_work+0x84d/0x18a0 [ 6183.113484][ T10] worker_thread+0x587/0xd30 [ 6183.113484][ T10] kthread+0x28a/0x350 [ 6183.113484][ T10] ret_from_fork+0x31/0x70 [ 6183.113484][ T10] ret_from_fork_asm+0x1a/0x30 [ 6183.113484][ T10] [ 6183.115400][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6183.115400][ T10] netdev_get_by_index+0x5e/0x80 [ 6183.115400][ T10] fib6_nh_init+0x3d8/0x1580 [ 6183.115400][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6183.115400][ T10] ip6_route_add+0x1c/0x140 [ 6183.115400][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6183.115400][ T10] inet6_addr_add+0x4f8/0xa40 [ 6183.115400][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6183.115400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6183.115400][ T10] netlink_rcv_skb+0x130/0x360 [ 6183.115400][ T10] netlink_unicast+0x449/0x710 [ 6183.115400][ T10] netlink_sendmsg+0x723/0xbe0 [ 6183.115400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6183.115400][ T10] ___sys_sendmsg+0xee/0x170 [ 6183.115400][ T10] __sys_sendmsg+0xcd/0x170 [ 6183.115400][ T10] do_syscall_64+0xc6/0x1e0 [ 6183.115400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6183.115400][ T10] [ 6183.117394][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6183.117394][ T10] netdev_get_by_index+0x5e/0x80 [ 6183.117394][ T10] fib6_nh_init+0x3d8/0x1580 [ 6183.117394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6183.117394][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6183.117394][ T10] ipv6_add_addr+0x411/0x2000 [ 6183.117394][ T10] inet6_addr_add+0x30e/0xa40 [ 6183.117394][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6183.117394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6183.117394][ T10] netlink_rcv_skb+0x130/0x360 [ 6183.117394][ T10] netlink_unicast+0x449/0x710 [ 6183.117394][ T10] netlink_sendmsg+0x723/0xbe0 [ 6183.117394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6183.117394][ T10] ___sys_sendmsg+0xee/0x170 [ 6183.117394][ T10] __sys_sendmsg+0xcd/0x170 [ 6183.117394][ T10] do_syscall_64+0xc6/0x1e0 [ 6183.117394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6183.117394][ T10] [ 6183.119443][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6183.119443][ T10] netdev_get_by_index+0x5e/0x80 [ 6183.119443][ T10] fib6_nh_init+0x3d8/0x1580 [ 6183.119443][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6183.119443][ T10] ip6_route_add+0x1c/0x140 [ 6183.119443][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6183.119443][ T10] addrconf_add_dev+0xe2/0x170 [ 6183.119443][ T10] inet6_addr_add+0x12f/0xa40 [ 6183.119443][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6183.119443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6183.119443][ T10] netlink_rcv_skb+0x130/0x360 [ 6183.119443][ T10] netlink_unicast+0x449/0x710 [ 6183.119443][ T10] netlink_sendmsg+0x723/0xbe0 [ 6183.119443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6183.119443][ T10] ___sys_sendmsg+0xee/0x170 [ 6183.119443][ T10] __sys_sendmsg+0xcd/0x170 [ 6183.119443][ T10] do_syscall_64+0xc6/0x1e0 [ 6183.119443][ T10] [ 6183.121392][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6183.121392][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6183.121392][ T10] ipv6_find_idev+0x102/0x170 [ 6183.121392][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6183.121392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6183.121392][ T10] netlink_rcv_skb+0x130/0x360 [ 6183.121392][ T10] netlink_unicast+0x449/0x710 [ 6183.121392][ T10] netlink_sendmsg+0x723/0xbe0 [ 6183.121392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6183.121392][ T10] ___sys_sendmsg+0xee/0x170 [ 6183.121392][ T10] __sys_sendmsg+0xcd/0x170 [ 6183.121392][ T10] do_syscall_64+0xc6/0x1e0 [ 6183.121392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6183.121392][ T10] [ 6183.122912][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6183.122912][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6183.122912][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6183.122912][ T10] ipv6_find_idev+0x102/0x170 [ 6183.122912][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6183.122912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6183.122912][ T10] netlink_rcv_skb+0x130/0x360 [ 6183.122912][ T10] netlink_unicast+0x449/0x710 [ 6183.122912][ T10] netlink_sendmsg+0x723/0xbe0 [ 6183.122912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6183.122912][ T10] ___sys_sendmsg+0xee/0x170 [ 6183.122912][ T10] __sys_sendmsg+0xcd/0x170 [ 6183.122912][ T10] do_syscall_64+0xc6/0x1e0 [ 6183.122912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6183.122912][ T10] [ 6183.124585][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6183.124825][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6183.124825][ T10] netdev_get_by_index+0x5e/0x80 [ 6183.124825][ T10] fib6_nh_init+0x3d8/0x1580 [ 6183.124825][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6183.124825][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6183.124825][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6183.124825][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6183.124825][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6183.124825][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6183.124825][ T10] addrconf_dad_begin+0x310/0x670 [ 6183.124825][ T10] addrconf_dad_work+0x10b/0xab0 [ 6183.124825][ T10] process_one_work+0x84d/0x18a0 [ 6183.124825][ T10] worker_thread+0x587/0xd30 [ 6183.124825][ T10] kthread+0x28a/0x350 [ 6183.124825][ T10] ret_from_fork+0x31/0x70 [ 6183.124825][ T10] ret_from_fork_asm+0x1a/0x30 [ 6183.124825][ T10] [ 6183.126717][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6183.126717][ T10] netdev_get_by_index+0x5e/0x80 [ 6183.126717][ T10] fib6_nh_init+0x3d8/0x1580 [ 6183.126717][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6183.126717][ T10] ip6_route_add+0x1c/0x140 [ 6183.126717][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6183.126717][ T10] inet6_addr_add+0x4f8/0xa40 [ 6183.126717][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6183.126717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6183.126717][ T10] netlink_rcv_skb+0x130/0x360 [ 6183.126717][ T10] netlink_unicast+0x449/0x710 [ 6183.126717][ T10] netlink_sendmsg+0x723/0xbe0 [ 6183.126717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6183.126717][ T10] ___sys_sendmsg+0xee/0x170 [ 6183.126717][ T10] __sys_sendmsg+0xcd/0x170 [ 6183.126717][ T10] do_syscall_64+0xc6/0x1e0 [ 6183.126717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6183.126717][ T10] [ 6183.128723][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6183.128723][ T10] netdev_get_by_index+0x5e/0x80 [ 6183.128723][ T10] fib6_nh_init+0x3d8/0x1580 [ 6183.128723][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6183.128723][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6183.128723][ T10] ipv6_add_addr+0x411/0x2000 [ 6183.128723][ T10] inet6_addr_add+0x30e/0xa40 [ 6183.128723][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6183.128723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6183.128723][ T10] netlink_rcv_skb+0x130/0x360 [ 6183.128723][ T10] netlink_unicast+0x449/0x710 [ 6183.128723][ T10] netlink_sendmsg+0x723/0xbe0 [ 6183.128723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6183.128723][ T10] ___sys_sendmsg+0xee/0x170 [ 6183.128723][ T10] __sys_sendmsg+0xcd/0x170 [ 6183.128723][ T10] do_syscall_64+0xc6/0x1e0 [ 6183.128723][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6183.128723][ T10] [ 6183.130756][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6183.130756][ T10] netdev_get_by_index+0x5e/0x80 [ 6183.130756][ T10] fib6_nh_init+0x3d8/0x1580 [ 6183.130756][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6183.130756][ T10] ip6_route_add+0x1c/0x140 [ 6183.130756][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6183.130756][ T10] addrconf_add_dev+0xe2/0x170 [ 6183.130756][ T10] inet6_addr_add+0x12f/0xa40 [ 6183.130756][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6183.130756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6183.130756][ T10] netlink_rcv_skb+0x130/0x360 [ 6183.130756][ T10] netlink_unicast+0x449/0x710 [ 6183.130756][ T10] netlink_sendmsg+0x723/0xbe0 [ 6183.130756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6183.130756][ T10] ___sys_sendmsg+0xee/0x170 [ 6183.130756][ T10] __sys_sendmsg+0xcd/0x170 [ 6183.130756][ T10] do_syscall_64+0xc6/0x1e0 [ 6183.130756][ T10] [ 6183.132721][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6183.132721][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6183.132721][ T10] ipv6_find_idev+0x102/0x170 [ 6183.132721][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6183.132721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6183.132721][ T10] netlink_rcv_skb+0x130/0x360 [ 6183.132721][ T10] netlink_unicast+0x449/0x710 [ 6183.132721][ T10] netlink_sendmsg+0x723/0xbe0 [ 6183.132721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6183.132721][ T10] ___sys_sendmsg+0xee/0x170 [ 6183.132721][ T10] __sys_sendmsg+0xcd/0x170 [ 6183.132721][ T10] do_syscall_64+0xc6/0x1e0 [ 6183.132721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6183.132721][ T10] [ 6183.134259][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6183.134259][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6183.134259][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6183.134259][ T10] ipv6_find_idev+0x102/0x170 [ 6183.134259][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6183.134259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6183.134259][ T10] netlink_rcv_skb+0x130/0x360 [ 6183.134259][ T10] netlink_unicast+0x449/0x710 [ 6183.134259][ T10] netlink_sendmsg+0x723/0xbe0 [ 6183.134259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6183.134259][ T10] ___sys_sendmsg+0xee/0x170 [ 6183.134259][ T10] __sys_sendmsg+0xcd/0x170 [ 6183.134259][ T10] do_syscall_64+0xc6/0x1e0 [ 6183.134259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6183.134259][ T10] [ 6183.135928][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6183.136175][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6183.136175][ T10] netdev_get_by_index+0x5e/0x80 [ 6183.136175][ T10] fib6_nh_init+0x3d8/0x1580 [ 6183.136175][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6183.136175][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6183.136175][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6183.136175][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6183.136175][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6183.136175][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6183.136175][ T10] addrconf_dad_begin+0x310/0x670 [ 6183.136175][ T10] addrconf_dad_work+0x10b/0xab0 [ 6183.136175][ T10] process_one_work+0x84d/0x18a0 [ 6183.136175][ T10] worker_thread+0x587/0xd30 [ 6183.136175][ T10] kthread+0x28a/0x350 [ 6183.136175][ T10] ret_from_fork+0x31/0x70 [ 6183.136175][ T10] ret_from_fork_asm+0x1a/0x30 [ 6183.136175][ T10] [ 6183.138089][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6183.138089][ T10] netdev_get_by_index+0x5e/0x80 [ 6183.138089][ T10] fib6_nh_init+0x3d8/0x1580 [ 6183.138089][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6183.138089][ T10] ip6_route_add+0x1c/0x140 [ 6183.138089][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6183.138089][ T10] inet6_addr_add+0x4f8/0xa40 [ 6183.138089][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6183.138089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6183.138089][ T10] netlink_rcv_skb+0x130/0x360 [ 6183.138089][ T10] netlink_unicast+0x449/0x710 [ 6183.138089][ T10] netlink_sendmsg+0x723/0xbe0 [ 6183.138089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6183.138089][ T10] ___sys_sendmsg+0xee/0x170 [ 6183.138089][ T10] __sys_sendmsg+0xcd/0x170 [ 6183.138089][ T10] do_syscall_64+0xc6/0x1e0 [ 6183.138089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6183.138089][ T10] [ 6183.140314][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6183.140314][ T10] netdev_get_by_index+0x5e/0x80 [ 6183.140314][ T10] fib6_nh_init+0x3d8/0x1580 [ 6183.140314][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6183.140314][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6183.140314][ T10] ipv6_add_addr+0x411/0x2000 [ 6183.140314][ T10] inet6_addr_add+0x30e/0xa40 [ 6183.140314][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6183.140314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6183.140314][ T10] netlink_rcv_skb+0x130/0x360 [ 6183.140314][ T10] netlink_unicast+0x449/0x710 [ 6183.140314][ T10] netlink_sendmsg+0x723/0xbe0 [ 6183.140314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6183.140314][ T10] ___sys_sendmsg+0xee/0x170 [ 6183.140314][ T10] __sys_sendmsg+0xcd/0x170 [ 6183.140314][ T10] do_syscall_64+0xc6/0x1e0 [ 6183.140314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6183.140314][ T10] [ 6183.142558][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6183.142558][ T10] netdev_get_by_index+0x5e/0x80 [ 6183.142558][ T10] fib6_nh_init+0x3d8/0x1580 [ 6183.142558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6183.142558][ T10] ip6_route_add+0x1c/0x140 [ 6183.142558][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6183.142558][ T10] addrconf_add_dev+0xe2/0x170 [ 6183.142558][ T10] inet6_addr_add+0x12f/0xa40 [ 6183.142558][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6183.142558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6183.142558][ T10] netlink_rcv_skb+0x130/0x360 [ 6183.142558][ T10] netlink_unicast+0x449/0x710 [ 6183.142558][ T10] netlink_sendmsg+0x723/0xbe0 [ 6183.142558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6183.142558][ T10] ___sys_sendmsg+0xee/0x170 [ 6183.142558][ T10] __sys_sendmsg+0xcd/0x170 [ 6183.142558][ T10] do_syscall_64+0xc6/0x1e0 [ 6183.142558][ T10] [ 6183.144693][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6183.144693][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6183.144693][ T10] ipv6_find_idev+0x102/0x170 [ 6183.144693][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6183.144693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6183.144693][ T10] netlink_rcv_skb+0x130/0x360 [ 6183.144693][ T10] netlink_unicast+0x449/0x710 [ 6183.144693][ T10] netlink_sendmsg+0x723/0xbe0 [ 6183.144693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6183.144693][ T10] ___sys_sendmsg+0xee/0x170 [ 6183.144693][ T10] __sys_sendmsg+0xcd/0x170 [ 6183.144693][ T10] do_syscall_64+0xc6/0x1e0 [ 6183.144693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6183.144693][ T10] [ 6183.146482][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6183.146482][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6183.146482][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6183.146482][ T10] ipv6_find_idev+0x102/0x170 [ 6183.146482][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6183.146482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6183.146482][ T10] netlink_rcv_skb+0x130/0x360 [ 6183.146482][ T10] netlink_unicast+0x449/0x710 [ 6183.146482][ T10] netlink_sendmsg+0x723/0xbe0 [ 6183.146482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6183.146482][ T10] ___sys_sendmsg+0xee/0x170 [ 6183.146482][ T10] __sys_sendmsg+0xcd/0x170 [ 6183.146482][ T10] do_syscall_64+0xc6/0x1e0 [ 6183.146482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6183.146482][ T10] [ 6183.148406][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6183.148652][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6183.148652][ T10] netdev_get_by_index+0x5e/0x80 [ 6183.148652][ T10] fib6_nh_init+0x3d8/0x1580 [ 6183.148652][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6183.148652][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6183.148652][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6183.148652][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6183.148652][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6183.148652][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6183.148652][ T10] addrconf_dad_begin+0x310/0x670 [ 6183.148652][ T10] addrconf_dad_work+0x10b/0xab0 [ 6183.148652][ T10] process_one_work+0x84d/0x18a0 [ 6183.148652][ T10] worker_thread+0x587/0xd30 [ 6183.148652][ T10] kthread+0x28a/0x350 [ 6183.148652][ T10] ret_from_fork+0x31/0x70 [ 6183.148652][ T10] ret_from_fork_asm+0x1a/0x30 [ 6183.148652][ T10] [ 6183.150814][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6183.150814][ T10] netdev_get_by_index+0x5e/0x80 [ 6183.150814][ T10] fib6_nh_init+0x3d8/0x1580 [ 6183.150814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6183.150814][ T10] ip6_route_add+0x1c/0x140 [ 6183.150814][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6183.150814][ T10] inet6_addr_add+0x4f8/0xa40 [ 6183.150814][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6183.150814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6183.150814][ T10] netlink_rcv_skb+0x130/0x360 [ 6183.150814][ T10] netlink_unicast+0x449/0x710 [ 6183.150814][ T10] netlink_sendmsg+0x723/0xbe0 [ 6183.150814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6183.150814][ T10] ___sys_sendmsg+0xee/0x170 [ 6183.150814][ T10] __sys_sendmsg+0xcd/0x170 [ 6183.150814][ T10] do_syscall_64+0xc6/0x1e0 [ 6183.150814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6183.150814][ T10] [ 6183.153004][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6183.153004][ T10] netdev_get_by_index+0x5e/0x80 [ 6183.153004][ T10] fib6_nh_init+0x3d8/0x1580 [ 6183.153004][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6183.153004][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6183.153004][ T10] ipv6_add_addr+0x411/0x2000 [ 6183.153004][ T10] inet6_addr_add+0x30e/0xa40 [ 6183.153004][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6183.153004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6183.153004][ T10] netlink_rcv_skb+0x130/0x360 [ 6183.153004][ T10] netlink_unicast+0x449/0x710 [ 6183.153004][ T10] netlink_sendmsg+0x723/0xbe0 [ 6183.153004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6183.153004][ T10] ___sys_sendmsg+0xee/0x170 [ 6183.153004][ T10] __sys_sendmsg+0xcd/0x170 [ 6183.153004][ T10] do_syscall_64+0xc6/0x1e0 [ 6183.153004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6183.153004][ T10] [ 6183.155301][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6183.155301][ T10] netdev_get_by_index+0x5e/0x80 [ 6183.155301][ T10] fib6_nh_init+0x3d8/0x1580 [ 6183.155301][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6183.155301][ T10] ip6_route_add+0x1c/0x140 [ 6183.155301][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6183.155301][ T10] addrconf_add_dev+0xe2/0x170 [ 6183.155301][ T10] inet6_addr_add+0x12f/0xa40 [ 6183.155301][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6183.155301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6183.155301][ T10] netlink_rcv_skb+0x130/0x360 [ 6183.155301][ T10] netlink_unicast+0x449/0x710 [ 6183.155301][ T10] netlink_sendmsg+0x723/0xbe0 [ 6183.155301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6183.155301][ T10] ___sys_sendmsg+0xee/0x170 [ 6183.155301][ T10] __sys_sendmsg+0xcd/0x170 [ 6183.155301][ T10] do_syscall_64+0xc6/0x1e0 [ 6183.155301][ T10] [ 6183.157508][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6183.157508][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6183.157508][ T10] ipv6_find_idev+0x102/0x170 [ 6183.157508][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6183.157508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6183.157508][ T10] netlink_rcv_skb+0x130/0x360 [ 6183.157508][ T10] netlink_unicast+0x449/0x710 [ 6183.157508][ T10] netlink_sendmsg+0x723/0xbe0 [ 6183.157508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6183.157508][ T10] ___sys_sendmsg+0xee/0x170 [ 6183.157508][ T10] __sys_sendmsg+0xcd/0x170 [ 6183.157508][ T10] do_syscall_64+0xc6/0x1e0 [ 6183.157508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6183.157508][ T10] [ 6183.159270][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6183.159270][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6183.159270][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6183.159270][ T10] ipv6_find_idev+0x102/0x170 [ 6183.159270][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6183.159270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6183.159270][ T10] netlink_rcv_skb+0x130/0x360 [ 6183.159270][ T10] netlink_unicast+0x449/0x710 [ 6183.159270][ T10] netlink_sendmsg+0x723/0xbe0 [ 6183.159270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6183.159270][ T10] ___sys_sendmsg+0xee/0x170 [ 6183.159270][ T10] __sys_sendmsg+0xcd/0x170 [ 6183.159270][ T10] do_syscall_64+0xc6/0x1e0 [ 6183.159270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6183.159270][ T10] [ 6191.921226][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6191.921715][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6191.921715][ T1167] dst_init+0x84/0x4a0 [ 6191.921715][ T1167] dst_alloc+0x97/0x150 [ 6191.921715][ T1167] ip6_dst_alloc+0x23/0x90 [ 6191.921715][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6191.921715][ T1167] ip6_pol_route+0x56f/0x840 [ 6191.921715][ T1167] fib6_rule_lookup+0x334/0x630 [ 6191.921715][ T1167] ip6_route_output_flags+0x259/0x480 [ 6191.921715][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6191.921715][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6191.921715][ T1167] netlink_rcv_skb+0x130/0x360 [ 6191.921715][ T1167] netlink_unicast+0x449/0x710 [ 6191.921715][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6191.921715][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6191.921715][ T1167] ___sys_sendmsg+0xee/0x170 [ 6191.921715][ T1167] __sys_sendmsg+0xcd/0x170 [ 6191.921715][ T1167] do_syscall_64+0xc6/0x1e0 [ 6191.921715][ T1167] [ 6191.924149][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6191.924149][ T1167] netdev_get_by_index+0x5e/0x80 [ 6191.924149][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6191.924149][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6191.924149][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6191.924149][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6191.924149][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6191.924149][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6191.924149][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6191.924149][ T1167] addrconf_dad_begin+0x310/0x670 [ 6191.924149][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6191.924149][ T1167] process_one_work+0x84d/0x18a0 [ 6191.924149][ T1167] worker_thread+0x587/0xd30 [ 6191.924149][ T1167] kthread+0x28a/0x350 [ 6191.924149][ T1167] ret_from_fork+0x31/0x70 [ 6191.924149][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6191.924149][ T1167] [ 6191.926636][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6191.926636][ T1167] netdev_get_by_index+0x5e/0x80 [ 6191.926636][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6191.926636][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6191.926636][ T1167] ip6_route_add+0x1c/0x140 [ 6191.926636][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6191.926636][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6191.926636][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6191.926636][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6191.926636][ T1167] netlink_rcv_skb+0x130/0x360 [ 6191.926636][ T1167] netlink_unicast+0x449/0x710 [ 6191.926636][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6191.926636][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6191.926636][ T1167] ___sys_sendmsg+0xee/0x170 [ 6191.926636][ T1167] __sys_sendmsg+0xcd/0x170 [ 6191.926636][ T1167] do_syscall_64+0xc6/0x1e0 [ 6191.926636][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6191.926636][ T1167] [ 6191.929142][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6191.929142][ T1167] netdev_get_by_index+0x5e/0x80 [ 6191.929142][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6191.929142][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6191.929142][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6191.929142][ T1167] ipv6_add_addr+0x411/0x2000 [ 6191.929142][ T1167] inet6_addr_add+0x30e/0xa40 [ 6191.929142][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6191.929142][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6191.929142][ T1167] netlink_rcv_skb+0x130/0x360 [ 6191.929142][ T1167] netlink_unicast+0x449/0x710 [ 6191.929142][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6191.929142][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6191.929142][ T1167] ___sys_sendmsg+0xee/0x170 [ 6191.929142][ T1167] __sys_sendmsg+0xcd/0x170 [ 6191.929142][ T1167] do_syscall_64+0xc6/0x1e0 [ 6191.929142][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6191.929142][ T1167] [ 6191.931731][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6191.931731][ T1167] netdev_get_by_index+0x5e/0x80 [ 6191.931731][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6191.931731][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6191.931731][ T1167] ip6_route_add+0x1c/0x140 [ 6191.931731][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6191.931731][ T1167] addrconf_add_dev+0xe2/0x170 [ 6191.931731][ T1167] inet6_addr_add+0x12f/0xa40 [ 6191.931731][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6191.931731][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6191.931731][ T1167] netlink_rcv_skb+0x130/0x360 [ 6191.931731][ T1167] netlink_unicast+0x449/0x710 [ 6191.931731][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6191.931731][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6191.931731][ T1167] ___sys_sendmsg+0xee/0x170 [ 6191.931731][ T1167] __sys_sendmsg+0xcd/0x170 [ 6191.931731][ T1167] do_syscall_64+0xc6/0x1e0 [ 6191.931731][ T1167] [ 6191.934176][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6191.934176][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6191.934176][ T1167] ipv6_find_idev+0x102/0x170 [ 6191.934176][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6191.934176][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6191.934176][ T1167] netlink_rcv_skb+0x130/0x360 [ 6191.934176][ T1167] netlink_unicast+0x449/0x710 [ 6191.934176][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6191.934176][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6191.934176][ T1167] ___sys_sendmsg+0xee/0x170 [ 6191.934176][ T1167] __sys_sendmsg+0xcd/0x170 [ 6191.934176][ T1167] do_syscall_64+0xc6/0x1e0 [ 6191.934176][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6191.934176][ T1167] [ 6191.936089][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6191.936089][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6191.936089][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6191.936089][ T1167] ipv6_find_idev+0x102/0x170 [ 6191.936089][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6191.936089][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6191.936089][ T1167] netlink_rcv_skb+0x130/0x360 [ 6191.936089][ T1167] netlink_unicast+0x449/0x710 [ 6191.936089][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6191.936089][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6191.936089][ T1167] ___sys_sendmsg+0xee/0x170 [ 6191.936089][ T1167] __sys_sendmsg+0xcd/0x170 [ 6191.936089][ T1167] do_syscall_64+0xc6/0x1e0 [ 6191.936089][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6191.936089][ T1167] [ 6193.201111][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6193.201484][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6193.201484][ T10] netdev_get_by_index+0x5e/0x80 [ 6193.201484][ T10] fib6_nh_init+0x3d8/0x1580 [ 6193.201484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6193.201484][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6193.201484][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6193.201484][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6193.201484][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6193.201484][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6193.201484][ T10] addrconf_dad_begin+0x310/0x670 [ 6193.201484][ T10] addrconf_dad_work+0x10b/0xab0 [ 6193.201484][ T10] process_one_work+0x84d/0x18a0 [ 6193.201484][ T10] worker_thread+0x587/0xd30 [ 6193.201484][ T10] kthread+0x28a/0x350 [ 6193.201484][ T10] ret_from_fork+0x31/0x70 [ 6193.201484][ T10] ret_from_fork_asm+0x1a/0x30 [ 6193.201484][ T10] [ 6193.203415][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6193.203415][ T10] netdev_get_by_index+0x5e/0x80 [ 6193.203415][ T10] fib6_nh_init+0x3d8/0x1580 [ 6193.203415][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6193.203415][ T10] ip6_route_add+0x1c/0x140 [ 6193.203415][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6193.203415][ T10] inet6_addr_add+0x4f8/0xa40 [ 6193.203415][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6193.203415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6193.203415][ T10] netlink_rcv_skb+0x130/0x360 [ 6193.203415][ T10] netlink_unicast+0x449/0x710 [ 6193.203415][ T10] netlink_sendmsg+0x723/0xbe0 [ 6193.203415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6193.203415][ T10] ___sys_sendmsg+0xee/0x170 [ 6193.203415][ T10] __sys_sendmsg+0xcd/0x170 [ 6193.203415][ T10] do_syscall_64+0xc6/0x1e0 [ 6193.203415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6193.203415][ T10] [ 6193.205504][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6193.205504][ T10] netdev_get_by_index+0x5e/0x80 [ 6193.205504][ T10] fib6_nh_init+0x3d8/0x1580 [ 6193.205504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6193.205504][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6193.205504][ T10] ipv6_add_addr+0x411/0x2000 [ 6193.205504][ T10] inet6_addr_add+0x30e/0xa40 [ 6193.205504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6193.205504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6193.205504][ T10] netlink_rcv_skb+0x130/0x360 [ 6193.205504][ T10] netlink_unicast+0x449/0x710 [ 6193.205504][ T10] netlink_sendmsg+0x723/0xbe0 [ 6193.205504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6193.205504][ T10] ___sys_sendmsg+0xee/0x170 [ 6193.205504][ T10] __sys_sendmsg+0xcd/0x170 [ 6193.205504][ T10] do_syscall_64+0xc6/0x1e0 [ 6193.205504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6193.205504][ T10] [ 6193.207505][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6193.207505][ T10] netdev_get_by_index+0x5e/0x80 [ 6193.207505][ T10] fib6_nh_init+0x3d8/0x1580 [ 6193.207505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6193.207505][ T10] ip6_route_add+0x1c/0x140 [ 6193.207505][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6193.207505][ T10] addrconf_add_dev+0xe2/0x170 [ 6193.207505][ T10] inet6_addr_add+0x12f/0xa40 [ 6193.207505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6193.207505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6193.207505][ T10] netlink_rcv_skb+0x130/0x360 [ 6193.207505][ T10] netlink_unicast+0x449/0x710 [ 6193.207505][ T10] netlink_sendmsg+0x723/0xbe0 [ 6193.207505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6193.207505][ T10] ___sys_sendmsg+0xee/0x170 [ 6193.207505][ T10] __sys_sendmsg+0xcd/0x170 [ 6193.207505][ T10] do_syscall_64+0xc6/0x1e0 [ 6193.207505][ T10] [ 6193.209540][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6193.209540][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6193.209540][ T10] ipv6_find_idev+0x102/0x170 [ 6193.209540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6193.209540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6193.209540][ T10] netlink_rcv_skb+0x130/0x360 [ 6193.209540][ T10] netlink_unicast+0x449/0x710 [ 6193.209540][ T10] netlink_sendmsg+0x723/0xbe0 [ 6193.209540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6193.209540][ T10] ___sys_sendmsg+0xee/0x170 [ 6193.209540][ T10] __sys_sendmsg+0xcd/0x170 [ 6193.209540][ T10] do_syscall_64+0xc6/0x1e0 [ 6193.209540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6193.209540][ T10] [ 6193.211071][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6193.211071][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6193.211071][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6193.211071][ T10] ipv6_find_idev+0x102/0x170 [ 6193.211071][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6193.211071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6193.211071][ T10] netlink_rcv_skb+0x130/0x360 [ 6193.211071][ T10] netlink_unicast+0x449/0x710 [ 6193.211071][ T10] netlink_sendmsg+0x723/0xbe0 [ 6193.211071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6193.211071][ T10] ___sys_sendmsg+0xee/0x170 [ 6193.211071][ T10] __sys_sendmsg+0xcd/0x170 [ 6193.211071][ T10] do_syscall_64+0xc6/0x1e0 [ 6193.211071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6193.211071][ T10] [ 6193.212743][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6193.212985][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6193.212985][ T10] netdev_get_by_index+0x5e/0x80 [ 6193.212985][ T10] fib6_nh_init+0x3d8/0x1580 [ 6193.212985][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6193.212985][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6193.212985][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6193.212985][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6193.212985][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6193.212985][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6193.212985][ T10] addrconf_dad_begin+0x310/0x670 [ 6193.212985][ T10] addrconf_dad_work+0x10b/0xab0 [ 6193.212985][ T10] process_one_work+0x84d/0x18a0 [ 6193.212985][ T10] worker_thread+0x587/0xd30 [ 6193.212985][ T10] kthread+0x28a/0x350 [ 6193.212985][ T10] ret_from_fork+0x31/0x70 [ 6193.212985][ T10] ret_from_fork_asm+0x1a/0x30 [ 6193.212985][ T10] [ 6193.214892][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6193.214892][ T10] netdev_get_by_index+0x5e/0x80 [ 6193.214892][ T10] fib6_nh_init+0x3d8/0x1580 [ 6193.214892][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6193.214892][ T10] ip6_route_add+0x1c/0x140 [ 6193.214892][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6193.214892][ T10] inet6_addr_add+0x4f8/0xa40 [ 6193.214892][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6193.214892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6193.214892][ T10] netlink_rcv_skb+0x130/0x360 [ 6193.214892][ T10] netlink_unicast+0x449/0x710 [ 6193.214892][ T10] netlink_sendmsg+0x723/0xbe0 [ 6193.214892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6193.214892][ T10] ___sys_sendmsg+0xee/0x170 [ 6193.214892][ T10] __sys_sendmsg+0xcd/0x170 [ 6193.214892][ T10] do_syscall_64+0xc6/0x1e0 [ 6193.214892][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6193.214892][ T10] [ 6193.216872][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6193.216872][ T10] netdev_get_by_index+0x5e/0x80 [ 6193.216872][ T10] fib6_nh_init+0x3d8/0x1580 [ 6193.216872][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6193.216872][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6193.216872][ T10] ipv6_add_addr+0x411/0x2000 [ 6193.216872][ T10] inet6_addr_add+0x30e/0xa40 [ 6193.216872][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6193.216872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6193.216872][ T10] netlink_rcv_skb+0x130/0x360 [ 6193.216872][ T10] netlink_unicast+0x449/0x710 [ 6193.216872][ T10] netlink_sendmsg+0x723/0xbe0 [ 6193.216872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6193.216872][ T10] ___sys_sendmsg+0xee/0x170 [ 6193.216872][ T10] __sys_sendmsg+0xcd/0x170 [ 6193.216872][ T10] do_syscall_64+0xc6/0x1e0 [ 6193.216872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6193.216872][ T10] [ 6193.218842][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6193.218842][ T10] netdev_get_by_index+0x5e/0x80 [ 6193.218842][ T10] fib6_nh_init+0x3d8/0x1580 [ 6193.218842][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6193.218842][ T10] ip6_route_add+0x1c/0x140 [ 6193.218842][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6193.218842][ T10] addrconf_add_dev+0xe2/0x170 [ 6193.218842][ T10] inet6_addr_add+0x12f/0xa40 [ 6193.218842][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6193.218842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6193.218842][ T10] netlink_rcv_skb+0x130/0x360 [ 6193.218842][ T10] netlink_unicast+0x449/0x710 [ 6193.218842][ T10] netlink_sendmsg+0x723/0xbe0 [ 6193.218842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6193.218842][ T10] ___sys_sendmsg+0xee/0x170 [ 6193.218842][ T10] __sys_sendmsg+0xcd/0x170 [ 6193.218842][ T10] do_syscall_64+0xc6/0x1e0 [ 6193.218842][ T10] [ 6193.220822][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6193.220822][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6193.220822][ T10] ipv6_find_idev+0x102/0x170 [ 6193.220822][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6193.220822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6193.220822][ T10] netlink_rcv_skb+0x130/0x360 [ 6193.220822][ T10] netlink_unicast+0x449/0x710 [ 6193.220822][ T10] netlink_sendmsg+0x723/0xbe0 [ 6193.220822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6193.220822][ T10] ___sys_sendmsg+0xee/0x170 [ 6193.220822][ T10] __sys_sendmsg+0xcd/0x170 [ 6193.220822][ T10] do_syscall_64+0xc6/0x1e0 [ 6193.220822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6193.220822][ T10] [ 6193.222340][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6193.222340][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6193.222340][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6193.222340][ T10] ipv6_find_idev+0x102/0x170 [ 6193.222340][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6193.222340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6193.222340][ T10] netlink_rcv_skb+0x130/0x360 [ 6193.222340][ T10] netlink_unicast+0x449/0x710 [ 6193.222340][ T10] netlink_sendmsg+0x723/0xbe0 [ 6193.222340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6193.222340][ T10] ___sys_sendmsg+0xee/0x170 [ 6193.222340][ T10] __sys_sendmsg+0xcd/0x170 [ 6193.222340][ T10] do_syscall_64+0xc6/0x1e0 [ 6193.222340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6193.222340][ T10] [ 6193.224017][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6193.224252][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6193.224252][ T10] netdev_get_by_index+0x5e/0x80 [ 6193.224252][ T10] fib6_nh_init+0x3d8/0x1580 [ 6193.224252][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6193.224252][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6193.224252][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6193.224252][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6193.224252][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6193.224252][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6193.224252][ T10] addrconf_dad_begin+0x310/0x670 [ 6193.224252][ T10] addrconf_dad_work+0x10b/0xab0 [ 6193.224252][ T10] process_one_work+0x84d/0x18a0 [ 6193.224252][ T10] worker_thread+0x587/0xd30 [ 6193.224252][ T10] kthread+0x28a/0x350 [ 6193.224252][ T10] ret_from_fork+0x31/0x70 [ 6193.224252][ T10] ret_from_fork_asm+0x1a/0x30 [ 6193.224252][ T10] [ 6193.226142][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6193.226142][ T10] netdev_get_by_index+0x5e/0x80 [ 6193.226142][ T10] fib6_nh_init+0x3d8/0x1580 [ 6193.226142][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6193.226142][ T10] ip6_route_add+0x1c/0x140 [ 6193.226142][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6193.226142][ T10] inet6_addr_add+0x4f8/0xa40 [ 6193.226142][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6193.226142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6193.226142][ T10] netlink_rcv_skb+0x130/0x360 [ 6193.226142][ T10] netlink_unicast+0x449/0x710 [ 6193.226142][ T10] netlink_sendmsg+0x723/0xbe0 [ 6193.226142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6193.226142][ T10] ___sys_sendmsg+0xee/0x170 [ 6193.226142][ T10] __sys_sendmsg+0xcd/0x170 [ 6193.226142][ T10] do_syscall_64+0xc6/0x1e0 [ 6193.226142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6193.226142][ T10] [ 6193.228428][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6193.228428][ T10] netdev_get_by_index+0x5e/0x80 [ 6193.228428][ T10] fib6_nh_init+0x3d8/0x1580 [ 6193.228428][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6193.228428][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6193.228428][ T10] ipv6_add_addr+0x411/0x2000 [ 6193.228428][ T10] inet6_addr_add+0x30e/0xa40 [ 6193.228428][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6193.228428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6193.228428][ T10] netlink_rcv_skb+0x130/0x360 [ 6193.228428][ T10] netlink_unicast+0x449/0x710 [ 6193.228428][ T10] netlink_sendmsg+0x723/0xbe0 [ 6193.228428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6193.228428][ T10] ___sys_sendmsg+0xee/0x170 [ 6193.228428][ T10] __sys_sendmsg+0xcd/0x170 [ 6193.228428][ T10] do_syscall_64+0xc6/0x1e0 [ 6193.228428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6193.228428][ T10] [ 6193.230720][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6193.230720][ T10] netdev_get_by_index+0x5e/0x80 [ 6193.230720][ T10] fib6_nh_init+0x3d8/0x1580 [ 6193.230720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6193.230720][ T10] ip6_route_add+0x1c/0x140 [ 6193.230720][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6193.230720][ T10] addrconf_add_dev+0xe2/0x170 [ 6193.230720][ T10] inet6_addr_add+0x12f/0xa40 [ 6193.230720][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6193.230720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6193.230720][ T10] netlink_rcv_skb+0x130/0x360 [ 6193.230720][ T10] netlink_unicast+0x449/0x710 [ 6193.230720][ T10] netlink_sendmsg+0x723/0xbe0 [ 6193.230720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6193.230720][ T10] ___sys_sendmsg+0xee/0x170 [ 6193.230720][ T10] __sys_sendmsg+0xcd/0x170 [ 6193.230720][ T10] do_syscall_64+0xc6/0x1e0 [ 6193.230720][ T10] [ 6193.232860][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6193.232860][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6193.232860][ T10] ipv6_find_idev+0x102/0x170 [ 6193.232860][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6193.232860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6193.232860][ T10] netlink_rcv_skb+0x130/0x360 [ 6193.232860][ T10] netlink_unicast+0x449/0x710 [ 6193.232860][ T10] netlink_sendmsg+0x723/0xbe0 [ 6193.232860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6193.232860][ T10] ___sys_sendmsg+0xee/0x170 [ 6193.232860][ T10] __sys_sendmsg+0xcd/0x170 [ 6193.232860][ T10] do_syscall_64+0xc6/0x1e0 [ 6193.232860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6193.232860][ T10] [ 6193.234578][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6193.234578][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6193.234578][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6193.234578][ T10] ipv6_find_idev+0x102/0x170 [ 6193.234578][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6193.234578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6193.234578][ T10] netlink_rcv_skb+0x130/0x360 [ 6193.234578][ T10] netlink_unicast+0x449/0x710 [ 6193.234578][ T10] netlink_sendmsg+0x723/0xbe0 [ 6193.234578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6193.234578][ T10] ___sys_sendmsg+0xee/0x170 [ 6193.234578][ T10] __sys_sendmsg+0xcd/0x170 [ 6193.234578][ T10] do_syscall_64+0xc6/0x1e0 [ 6193.234578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6193.234578][ T10] [ 6193.236572][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6193.236808][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6193.236808][ T10] netdev_get_by_index+0x5e/0x80 [ 6193.236808][ T10] fib6_nh_init+0x3d8/0x1580 [ 6193.236808][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6193.236808][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6193.236808][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6193.236808][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6193.236808][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6193.236808][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6193.236808][ T10] addrconf_dad_begin+0x310/0x670 [ 6193.236808][ T10] addrconf_dad_work+0x10b/0xab0 [ 6193.236808][ T10] process_one_work+0x84d/0x18a0 [ 6193.236808][ T10] worker_thread+0x587/0xd30 [ 6193.236808][ T10] kthread+0x28a/0x350 [ 6193.236808][ T10] ret_from_fork+0x31/0x70 [ 6193.236808][ T10] ret_from_fork_asm+0x1a/0x30 [ 6193.236808][ T10] [ 6193.239036][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6193.239036][ T10] netdev_get_by_index+0x5e/0x80 [ 6193.239036][ T10] fib6_nh_init+0x3d8/0x1580 [ 6193.239036][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6193.239036][ T10] ip6_route_add+0x1c/0x140 [ 6193.239036][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6193.239036][ T10] inet6_addr_add+0x4f8/0xa40 [ 6193.239036][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6193.239036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6193.239036][ T10] netlink_rcv_skb+0x130/0x360 [ 6193.239036][ T10] netlink_unicast+0x449/0x710 [ 6193.239036][ T10] netlink_sendmsg+0x723/0xbe0 [ 6193.239036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6193.239036][ T10] ___sys_sendmsg+0xee/0x170 [ 6193.239036][ T10] __sys_sendmsg+0xcd/0x170 [ 6193.239036][ T10] do_syscall_64+0xc6/0x1e0 [ 6193.239036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6193.239036][ T10] [ 6193.241734][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6193.241734][ T10] netdev_get_by_index+0x5e/0x80 [ 6193.241734][ T10] fib6_nh_init+0x3d8/0x1580 [ 6193.241734][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6193.241734][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6193.241734][ T10] ipv6_add_addr+0x411/0x2000 [ 6193.241734][ T10] inet6_addr_add+0x30e/0xa40 [ 6193.241734][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6193.241734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6193.241734][ T10] netlink_rcv_skb+0x130/0x360 [ 6193.241734][ T10] netlink_unicast+0x449/0x710 [ 6193.241734][ T10] netlink_sendmsg+0x723/0xbe0 [ 6193.241734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6193.241734][ T10] ___sys_sendmsg+0xee/0x170 [ 6193.241734][ T10] __sys_sendmsg+0xcd/0x170 [ 6193.241734][ T10] do_syscall_64+0xc6/0x1e0 [ 6193.241734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6193.241734][ T10] [ 6193.243961][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6193.243961][ T10] netdev_get_by_index+0x5e/0x80 [ 6193.243961][ T10] fib6_nh_init+0x3d8/0x1580 [ 6193.243961][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6193.243961][ T10] ip6_route_add+0x1c/0x140 [ 6193.243961][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6193.243961][ T10] addrconf_add_dev+0xe2/0x170 [ 6193.243961][ T10] inet6_addr_add+0x12f/0xa40 [ 6193.243961][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6193.243961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6193.243961][ T10] netlink_rcv_skb+0x130/0x360 [ 6193.243961][ T10] netlink_unicast+0x449/0x710 [ 6193.243961][ T10] netlink_sendmsg+0x723/0xbe0 [ 6193.243961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6193.243961][ T10] ___sys_sendmsg+0xee/0x170 [ 6193.243961][ T10] __sys_sendmsg+0xcd/0x170 [ 6193.243961][ T10] do_syscall_64+0xc6/0x1e0 [ 6193.243961][ T10] [ 6193.246147][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6193.246147][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6193.246147][ T10] ipv6_find_idev+0x102/0x170 [ 6193.246147][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6193.246147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6193.246147][ T10] netlink_rcv_skb+0x130/0x360 [ 6193.246147][ T10] netlink_unicast+0x449/0x710 [ 6193.246147][ T10] netlink_sendmsg+0x723/0xbe0 [ 6193.246147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6193.246147][ T10] ___sys_sendmsg+0xee/0x170 [ 6193.246147][ T10] __sys_sendmsg+0xcd/0x170 [ 6193.246147][ T10] do_syscall_64+0xc6/0x1e0 [ 6193.246147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6193.246147][ T10] [ 6193.247912][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6193.247912][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6193.247912][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6193.247912][ T10] ipv6_find_idev+0x102/0x170 [ 6193.247912][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6193.247912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6193.247912][ T10] netlink_rcv_skb+0x130/0x360 [ 6193.247912][ T10] netlink_unicast+0x449/0x710 [ 6193.247912][ T10] netlink_sendmsg+0x723/0xbe0 [ 6193.247912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6193.247912][ T10] ___sys_sendmsg+0xee/0x170 [ 6193.247912][ T10] __sys_sendmsg+0xcd/0x170 [ 6193.247912][ T10] do_syscall_64+0xc6/0x1e0 [ 6193.247912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6193.247912][ T10] [ 6201.945102][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6201.945574][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6201.945574][ T1167] dst_init+0x84/0x4a0 [ 6201.945574][ T1167] dst_alloc+0x97/0x150 [ 6201.945574][ T1167] ip6_dst_alloc+0x23/0x90 [ 6201.945574][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6201.945574][ T1167] ip6_pol_route+0x56f/0x840 [ 6201.945574][ T1167] fib6_rule_lookup+0x334/0x630 [ 6201.945574][ T1167] ip6_route_output_flags+0x259/0x480 [ 6201.945574][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6201.945574][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6201.945574][ T1167] netlink_rcv_skb+0x130/0x360 [ 6201.945574][ T1167] netlink_unicast+0x449/0x710 [ 6201.945574][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6201.945574][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6201.945574][ T1167] ___sys_sendmsg+0xee/0x170 [ 6201.945574][ T1167] __sys_sendmsg+0xcd/0x170 [ 6201.945574][ T1167] do_syscall_64+0xc6/0x1e0 [ 6201.945574][ T1167] [ 6201.948007][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6201.948007][ T1167] netdev_get_by_index+0x5e/0x80 [ 6201.948007][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6201.948007][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6201.948007][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6201.948007][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6201.948007][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6201.948007][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6201.948007][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6201.948007][ T1167] addrconf_dad_begin+0x310/0x670 [ 6201.948007][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6201.948007][ T1167] process_one_work+0x84d/0x18a0 [ 6201.948007][ T1167] worker_thread+0x587/0xd30 [ 6201.948007][ T1167] kthread+0x28a/0x350 [ 6201.948007][ T1167] ret_from_fork+0x31/0x70 [ 6201.948007][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6201.948007][ T1167] [ 6201.950411][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6201.950411][ T1167] netdev_get_by_index+0x5e/0x80 [ 6201.950411][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6201.950411][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6201.950411][ T1167] ip6_route_add+0x1c/0x140 [ 6201.950411][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6201.950411][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6201.950411][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6201.950411][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6201.950411][ T1167] netlink_rcv_skb+0x130/0x360 [ 6201.950411][ T1167] netlink_unicast+0x449/0x710 [ 6201.950411][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6201.950411][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6201.950411][ T1167] ___sys_sendmsg+0xee/0x170 [ 6201.950411][ T1167] __sys_sendmsg+0xcd/0x170 [ 6201.950411][ T1167] do_syscall_64+0xc6/0x1e0 [ 6201.950411][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6201.950411][ T1167] [ 6201.952890][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6201.952890][ T1167] netdev_get_by_index+0x5e/0x80 [ 6201.952890][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6201.952890][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6201.952890][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6201.952890][ T1167] ipv6_add_addr+0x411/0x2000 [ 6201.952890][ T1167] inet6_addr_add+0x30e/0xa40 [ 6201.952890][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6201.952890][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6201.952890][ T1167] netlink_rcv_skb+0x130/0x360 [ 6201.952890][ T1167] netlink_unicast+0x449/0x710 [ 6201.952890][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6201.952890][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6201.952890][ T1167] ___sys_sendmsg+0xee/0x170 [ 6201.952890][ T1167] __sys_sendmsg+0xcd/0x170 [ 6201.952890][ T1167] do_syscall_64+0xc6/0x1e0 [ 6201.952890][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6201.952890][ T1167] [ 6201.955399][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6201.955399][ T1167] netdev_get_by_index+0x5e/0x80 [ 6201.955399][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6201.955399][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6201.955399][ T1167] ip6_route_add+0x1c/0x140 [ 6201.955399][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6201.955399][ T1167] addrconf_add_dev+0xe2/0x170 [ 6201.955399][ T1167] inet6_addr_add+0x12f/0xa40 [ 6201.955399][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6201.955399][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6201.955399][ T1167] netlink_rcv_skb+0x130/0x360 [ 6201.955399][ T1167] netlink_unicast+0x449/0x710 [ 6201.955399][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6201.955399][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6201.955399][ T1167] ___sys_sendmsg+0xee/0x170 [ 6201.955399][ T1167] __sys_sendmsg+0xcd/0x170 [ 6201.955399][ T1167] do_syscall_64+0xc6/0x1e0 [ 6201.955399][ T1167] [ 6201.957828][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6201.957828][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6201.957828][ T1167] ipv6_find_idev+0x102/0x170 [ 6201.957828][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6201.957828][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6201.957828][ T1167] netlink_rcv_skb+0x130/0x360 [ 6201.957828][ T1167] netlink_unicast+0x449/0x710 [ 6201.957828][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6201.957828][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6201.957828][ T1167] ___sys_sendmsg+0xee/0x170 [ 6201.957828][ T1167] __sys_sendmsg+0xcd/0x170 [ 6201.957828][ T1167] do_syscall_64+0xc6/0x1e0 [ 6201.957828][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6201.957828][ T1167] [ 6201.959763][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6201.959763][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6201.959763][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6201.959763][ T1167] ipv6_find_idev+0x102/0x170 [ 6201.959763][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6201.959763][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6201.959763][ T1167] netlink_rcv_skb+0x130/0x360 [ 6201.959763][ T1167] netlink_unicast+0x449/0x710 [ 6201.959763][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6201.959763][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6201.959763][ T1167] ___sys_sendmsg+0xee/0x170 [ 6201.959763][ T1167] __sys_sendmsg+0xcd/0x170 [ 6201.959763][ T1167] do_syscall_64+0xc6/0x1e0 [ 6201.959763][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6201.959763][ T1167] [ 6203.481038][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6203.481382][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6203.481382][ T10] netdev_get_by_index+0x5e/0x80 [ 6203.481382][ T10] fib6_nh_init+0x3d8/0x1580 [ 6203.481382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6203.481382][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6203.481382][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6203.481382][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6203.481382][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6203.481382][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6203.481382][ T10] addrconf_dad_begin+0x310/0x670 [ 6203.481382][ T10] addrconf_dad_work+0x10b/0xab0 [ 6203.481382][ T10] process_one_work+0x84d/0x18a0 [ 6203.481382][ T10] worker_thread+0x587/0xd30 [ 6203.481382][ T10] kthread+0x28a/0x350 [ 6203.481382][ T10] ret_from_fork+0x31/0x70 [ 6203.481382][ T10] ret_from_fork_asm+0x1a/0x30 [ 6203.481382][ T10] [ 6203.483332][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6203.483332][ T10] netdev_get_by_index+0x5e/0x80 [ 6203.483332][ T10] fib6_nh_init+0x3d8/0x1580 [ 6203.483332][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6203.483332][ T10] ip6_route_add+0x1c/0x140 [ 6203.483332][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6203.483332][ T10] inet6_addr_add+0x4f8/0xa40 [ 6203.483332][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6203.483332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.483332][ T10] netlink_rcv_skb+0x130/0x360 [ 6203.483332][ T10] netlink_unicast+0x449/0x710 [ 6203.483332][ T10] netlink_sendmsg+0x723/0xbe0 [ 6203.483332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6203.483332][ T10] ___sys_sendmsg+0xee/0x170 [ 6203.483332][ T10] __sys_sendmsg+0xcd/0x170 [ 6203.483332][ T10] do_syscall_64+0xc6/0x1e0 [ 6203.483332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.483332][ T10] [ 6203.485350][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6203.485350][ T10] netdev_get_by_index+0x5e/0x80 [ 6203.485350][ T10] fib6_nh_init+0x3d8/0x1580 [ 6203.485350][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6203.485350][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6203.485350][ T10] ipv6_add_addr+0x411/0x2000 [ 6203.485350][ T10] inet6_addr_add+0x30e/0xa40 [ 6203.485350][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6203.485350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.485350][ T10] netlink_rcv_skb+0x130/0x360 [ 6203.485350][ T10] netlink_unicast+0x449/0x710 [ 6203.485350][ T10] netlink_sendmsg+0x723/0xbe0 [ 6203.485350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6203.485350][ T10] ___sys_sendmsg+0xee/0x170 [ 6203.485350][ T10] __sys_sendmsg+0xcd/0x170 [ 6203.485350][ T10] do_syscall_64+0xc6/0x1e0 [ 6203.485350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.485350][ T10] [ 6203.487355][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6203.487355][ T10] netdev_get_by_index+0x5e/0x80 [ 6203.487355][ T10] fib6_nh_init+0x3d8/0x1580 [ 6203.487355][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6203.487355][ T10] ip6_route_add+0x1c/0x140 [ 6203.487355][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6203.487355][ T10] addrconf_add_dev+0xe2/0x170 [ 6203.487355][ T10] inet6_addr_add+0x12f/0xa40 [ 6203.487355][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6203.487355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.487355][ T10] netlink_rcv_skb+0x130/0x360 [ 6203.487355][ T10] netlink_unicast+0x449/0x710 [ 6203.487355][ T10] netlink_sendmsg+0x723/0xbe0 [ 6203.487355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6203.487355][ T10] ___sys_sendmsg+0xee/0x170 [ 6203.487355][ T10] __sys_sendmsg+0xcd/0x170 [ 6203.487355][ T10] do_syscall_64+0xc6/0x1e0 [ 6203.487355][ T10] [ 6203.489365][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6203.489365][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6203.489365][ T10] ipv6_find_idev+0x102/0x170 [ 6203.489365][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6203.489365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.489365][ T10] netlink_rcv_skb+0x130/0x360 [ 6203.489365][ T10] netlink_unicast+0x449/0x710 [ 6203.489365][ T10] netlink_sendmsg+0x723/0xbe0 [ 6203.489365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6203.489365][ T10] ___sys_sendmsg+0xee/0x170 [ 6203.489365][ T10] __sys_sendmsg+0xcd/0x170 [ 6203.489365][ T10] do_syscall_64+0xc6/0x1e0 [ 6203.489365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.489365][ T10] [ 6203.490929][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6203.490929][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6203.490929][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6203.490929][ T10] ipv6_find_idev+0x102/0x170 [ 6203.490929][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6203.490929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.490929][ T10] netlink_rcv_skb+0x130/0x360 [ 6203.490929][ T10] netlink_unicast+0x449/0x710 [ 6203.490929][ T10] netlink_sendmsg+0x723/0xbe0 [ 6203.490929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6203.490929][ T10] ___sys_sendmsg+0xee/0x170 [ 6203.490929][ T10] __sys_sendmsg+0xcd/0x170 [ 6203.490929][ T10] do_syscall_64+0xc6/0x1e0 [ 6203.490929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.490929][ T10] [ 6203.492645][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6203.492894][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6203.492894][ T10] netdev_get_by_index+0x5e/0x80 [ 6203.492894][ T10] fib6_nh_init+0x3d8/0x1580 [ 6203.492894][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6203.492894][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6203.492894][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6203.492894][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6203.492894][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6203.492894][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6203.492894][ T10] addrconf_dad_begin+0x310/0x670 [ 6203.492894][ T10] addrconf_dad_work+0x10b/0xab0 [ 6203.492894][ T10] process_one_work+0x84d/0x18a0 [ 6203.492894][ T10] worker_thread+0x587/0xd30 [ 6203.492894][ T10] kthread+0x28a/0x350 [ 6203.492894][ T10] ret_from_fork+0x31/0x70 [ 6203.492894][ T10] ret_from_fork_asm+0x1a/0x30 [ 6203.492894][ T10] [ 6203.494826][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6203.494826][ T10] netdev_get_by_index+0x5e/0x80 [ 6203.494826][ T10] fib6_nh_init+0x3d8/0x1580 [ 6203.494826][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6203.494826][ T10] ip6_route_add+0x1c/0x140 [ 6203.494826][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6203.494826][ T10] inet6_addr_add+0x4f8/0xa40 [ 6203.494826][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6203.494826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.494826][ T10] netlink_rcv_skb+0x130/0x360 [ 6203.494826][ T10] netlink_unicast+0x449/0x710 [ 6203.494826][ T10] netlink_sendmsg+0x723/0xbe0 [ 6203.494826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6203.494826][ T10] ___sys_sendmsg+0xee/0x170 [ 6203.494826][ T10] __sys_sendmsg+0xcd/0x170 [ 6203.494826][ T10] do_syscall_64+0xc6/0x1e0 [ 6203.494826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.494826][ T10] [ 6203.496848][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6203.496848][ T10] netdev_get_by_index+0x5e/0x80 [ 6203.496848][ T10] fib6_nh_init+0x3d8/0x1580 [ 6203.496848][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6203.496848][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6203.496848][ T10] ipv6_add_addr+0x411/0x2000 [ 6203.496848][ T10] inet6_addr_add+0x30e/0xa40 [ 6203.496848][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6203.496848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.496848][ T10] netlink_rcv_skb+0x130/0x360 [ 6203.496848][ T10] netlink_unicast+0x449/0x710 [ 6203.496848][ T10] netlink_sendmsg+0x723/0xbe0 [ 6203.496848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6203.496848][ T10] ___sys_sendmsg+0xee/0x170 [ 6203.496848][ T10] __sys_sendmsg+0xcd/0x170 [ 6203.496848][ T10] do_syscall_64+0xc6/0x1e0 [ 6203.496848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.496848][ T10] [ 6203.498862][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6203.498862][ T10] netdev_get_by_index+0x5e/0x80 [ 6203.498862][ T10] fib6_nh_init+0x3d8/0x1580 [ 6203.498862][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6203.498862][ T10] ip6_route_add+0x1c/0x140 [ 6203.498862][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6203.498862][ T10] addrconf_add_dev+0xe2/0x170 [ 6203.498862][ T10] inet6_addr_add+0x12f/0xa40 [ 6203.498862][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6203.498862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.498862][ T10] netlink_rcv_skb+0x130/0x360 [ 6203.498862][ T10] netlink_unicast+0x449/0x710 [ 6203.498862][ T10] netlink_sendmsg+0x723/0xbe0 [ 6203.498862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6203.498862][ T10] ___sys_sendmsg+0xee/0x170 [ 6203.498862][ T10] __sys_sendmsg+0xcd/0x170 [ 6203.498862][ T10] do_syscall_64+0xc6/0x1e0 [ 6203.498862][ T10] [ 6203.500843][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6203.500843][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6203.500843][ T10] ipv6_find_idev+0x102/0x170 [ 6203.500843][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6203.500843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.500843][ T10] netlink_rcv_skb+0x130/0x360 [ 6203.500843][ T10] netlink_unicast+0x449/0x710 [ 6203.500843][ T10] netlink_sendmsg+0x723/0xbe0 [ 6203.500843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6203.500843][ T10] ___sys_sendmsg+0xee/0x170 [ 6203.500843][ T10] __sys_sendmsg+0xcd/0x170 [ 6203.500843][ T10] do_syscall_64+0xc6/0x1e0 [ 6203.500843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.500843][ T10] [ 6203.502389][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6203.502389][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6203.502389][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6203.502389][ T10] ipv6_find_idev+0x102/0x170 [ 6203.502389][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6203.502389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.502389][ T10] netlink_rcv_skb+0x130/0x360 [ 6203.502389][ T10] netlink_unicast+0x449/0x710 [ 6203.502389][ T10] netlink_sendmsg+0x723/0xbe0 [ 6203.502389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6203.502389][ T10] ___sys_sendmsg+0xee/0x170 [ 6203.502389][ T10] __sys_sendmsg+0xcd/0x170 [ 6203.502389][ T10] do_syscall_64+0xc6/0x1e0 [ 6203.502389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.502389][ T10] [ 6203.504099][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6203.504343][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6203.504343][ T10] netdev_get_by_index+0x5e/0x80 [ 6203.504343][ T10] fib6_nh_init+0x3d8/0x1580 [ 6203.504343][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6203.504343][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6203.504343][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6203.504343][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6203.504343][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6203.504343][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6203.504343][ T10] addrconf_dad_begin+0x310/0x670 [ 6203.504343][ T10] addrconf_dad_work+0x10b/0xab0 [ 6203.504343][ T10] process_one_work+0x84d/0x18a0 [ 6203.504343][ T10] worker_thread+0x587/0xd30 [ 6203.504343][ T10] kthread+0x28a/0x350 [ 6203.504343][ T10] ret_from_fork+0x31/0x70 [ 6203.504343][ T10] ret_from_fork_asm+0x1a/0x30 [ 6203.504343][ T10] [ 6203.506275][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6203.506275][ T10] netdev_get_by_index+0x5e/0x80 [ 6203.506275][ T10] fib6_nh_init+0x3d8/0x1580 [ 6203.506275][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6203.506275][ T10] ip6_route_add+0x1c/0x140 [ 6203.506275][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6203.506275][ T10] inet6_addr_add+0x4f8/0xa40 [ 6203.506275][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6203.506275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.506275][ T10] netlink_rcv_skb+0x130/0x360 [ 6203.506275][ T10] netlink_unicast+0x449/0x710 [ 6203.506275][ T10] netlink_sendmsg+0x723/0xbe0 [ 6203.506275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6203.506275][ T10] ___sys_sendmsg+0xee/0x170 [ 6203.506275][ T10] __sys_sendmsg+0xcd/0x170 [ 6203.506275][ T10] do_syscall_64+0xc6/0x1e0 [ 6203.506275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.506275][ T10] [ 6203.508416][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6203.508416][ T10] netdev_get_by_index+0x5e/0x80 [ 6203.508416][ T10] fib6_nh_init+0x3d8/0x1580 [ 6203.508416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6203.508416][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6203.508416][ T10] ipv6_add_addr+0x411/0x2000 [ 6203.508416][ T10] inet6_addr_add+0x30e/0xa40 [ 6203.508416][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6203.508416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.508416][ T10] netlink_rcv_skb+0x130/0x360 [ 6203.508416][ T10] netlink_unicast+0x449/0x710 [ 6203.508416][ T10] netlink_sendmsg+0x723/0xbe0 [ 6203.508416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6203.508416][ T10] ___sys_sendmsg+0xee/0x170 [ 6203.508416][ T10] __sys_sendmsg+0xcd/0x170 [ 6203.508416][ T10] do_syscall_64+0xc6/0x1e0 [ 6203.508416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.508416][ T10] [ 6203.510570][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6203.510570][ T10] netdev_get_by_index+0x5e/0x80 [ 6203.510570][ T10] fib6_nh_init+0x3d8/0x1580 [ 6203.510570][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6203.510570][ T10] ip6_route_add+0x1c/0x140 [ 6203.510570][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6203.510570][ T10] addrconf_add_dev+0xe2/0x170 [ 6203.510570][ T10] inet6_addr_add+0x12f/0xa40 [ 6203.510570][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6203.510570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.510570][ T10] netlink_rcv_skb+0x130/0x360 [ 6203.510570][ T10] netlink_unicast+0x449/0x710 [ 6203.510570][ T10] netlink_sendmsg+0x723/0xbe0 [ 6203.510570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6203.510570][ T10] ___sys_sendmsg+0xee/0x170 [ 6203.510570][ T10] __sys_sendmsg+0xcd/0x170 [ 6203.510570][ T10] do_syscall_64+0xc6/0x1e0 [ 6203.510570][ T10] [ 6203.512679][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6203.512679][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6203.512679][ T10] ipv6_find_idev+0x102/0x170 [ 6203.512679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6203.512679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.512679][ T10] netlink_rcv_skb+0x130/0x360 [ 6203.512679][ T10] netlink_unicast+0x449/0x710 [ 6203.512679][ T10] netlink_sendmsg+0x723/0xbe0 [ 6203.512679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6203.512679][ T10] ___sys_sendmsg+0xee/0x170 [ 6203.512679][ T10] __sys_sendmsg+0xcd/0x170 [ 6203.512679][ T10] do_syscall_64+0xc6/0x1e0 [ 6203.512679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.512679][ T10] [ 6203.514291][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6203.514291][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6203.514291][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6203.514291][ T10] ipv6_find_idev+0x102/0x170 [ 6203.514291][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6203.514291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.514291][ T10] netlink_rcv_skb+0x130/0x360 [ 6203.514291][ T10] netlink_unicast+0x449/0x710 [ 6203.514291][ T10] netlink_sendmsg+0x723/0xbe0 [ 6203.514291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6203.514291][ T10] ___sys_sendmsg+0xee/0x170 [ 6203.514291][ T10] __sys_sendmsg+0xcd/0x170 [ 6203.514291][ T10] do_syscall_64+0xc6/0x1e0 [ 6203.514291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.514291][ T10] [ 6203.516108][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6203.516343][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6203.516343][ T10] netdev_get_by_index+0x5e/0x80 [ 6203.516343][ T10] fib6_nh_init+0x3d8/0x1580 [ 6203.516343][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6203.516343][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6203.516343][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6203.516343][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6203.516343][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6203.516343][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6203.516343][ T10] addrconf_dad_begin+0x310/0x670 [ 6203.516343][ T10] addrconf_dad_work+0x10b/0xab0 [ 6203.516343][ T10] process_one_work+0x84d/0x18a0 [ 6203.516343][ T10] worker_thread+0x587/0xd30 [ 6203.516343][ T10] kthread+0x28a/0x350 [ 6203.516343][ T10] ret_from_fork+0x31/0x70 [ 6203.516343][ T10] ret_from_fork_asm+0x1a/0x30 [ 6203.516343][ T10] [ 6203.518393][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6203.518393][ T10] netdev_get_by_index+0x5e/0x80 [ 6203.518393][ T10] fib6_nh_init+0x3d8/0x1580 [ 6203.518393][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6203.518393][ T10] ip6_route_add+0x1c/0x140 [ 6203.518393][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6203.518393][ T10] inet6_addr_add+0x4f8/0xa40 [ 6203.518393][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6203.518393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.518393][ T10] netlink_rcv_skb+0x130/0x360 [ 6203.518393][ T10] netlink_unicast+0x449/0x710 [ 6203.518393][ T10] netlink_sendmsg+0x723/0xbe0 [ 6203.518393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6203.518393][ T10] ___sys_sendmsg+0xee/0x170 [ 6203.518393][ T10] __sys_sendmsg+0xcd/0x170 [ 6203.518393][ T10] do_syscall_64+0xc6/0x1e0 [ 6203.518393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.518393][ T10] [ 6203.520538][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6203.520538][ T10] netdev_get_by_index+0x5e/0x80 [ 6203.520538][ T10] fib6_nh_init+0x3d8/0x1580 [ 6203.520538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6203.520538][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6203.520538][ T10] ipv6_add_addr+0x411/0x2000 [ 6203.520538][ T10] inet6_addr_add+0x30e/0xa40 [ 6203.520538][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6203.520538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.520538][ T10] netlink_rcv_skb+0x130/0x360 [ 6203.520538][ T10] netlink_unicast+0x449/0x710 [ 6203.520538][ T10] netlink_sendmsg+0x723/0xbe0 [ 6203.520538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6203.520538][ T10] ___sys_sendmsg+0xee/0x170 [ 6203.520538][ T10] __sys_sendmsg+0xcd/0x170 [ 6203.520538][ T10] do_syscall_64+0xc6/0x1e0 [ 6203.520538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.520538][ T10] [ 6203.522671][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6203.522671][ T10] netdev_get_by_index+0x5e/0x80 [ 6203.522671][ T10] fib6_nh_init+0x3d8/0x1580 [ 6203.522671][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6203.522671][ T10] ip6_route_add+0x1c/0x140 [ 6203.522671][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6203.522671][ T10] addrconf_add_dev+0xe2/0x170 [ 6203.522671][ T10] inet6_addr_add+0x12f/0xa40 [ 6203.522671][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6203.522671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.522671][ T10] netlink_rcv_skb+0x130/0x360 [ 6203.522671][ T10] netlink_unicast+0x449/0x710 [ 6203.522671][ T10] netlink_sendmsg+0x723/0xbe0 [ 6203.522671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6203.522671][ T10] ___sys_sendmsg+0xee/0x170 [ 6203.522671][ T10] __sys_sendmsg+0xcd/0x170 [ 6203.522671][ T10] do_syscall_64+0xc6/0x1e0 [ 6203.522671][ T10] [ 6203.524759][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6203.524759][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6203.524759][ T10] ipv6_find_idev+0x102/0x170 [ 6203.524759][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6203.524759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.524759][ T10] netlink_rcv_skb+0x130/0x360 [ 6203.524759][ T10] netlink_unicast+0x449/0x710 [ 6203.524759][ T10] netlink_sendmsg+0x723/0xbe0 [ 6203.524759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6203.524759][ T10] ___sys_sendmsg+0xee/0x170 [ 6203.524759][ T10] __sys_sendmsg+0xcd/0x170 [ 6203.524759][ T10] do_syscall_64+0xc6/0x1e0 [ 6203.524759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.524759][ T10] [ 6203.526364][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6203.526364][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6203.526364][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6203.526364][ T10] ipv6_find_idev+0x102/0x170 [ 6203.526364][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6203.526364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6203.526364][ T10] netlink_rcv_skb+0x130/0x360 [ 6203.526364][ T10] netlink_unicast+0x449/0x710 [ 6203.526364][ T10] netlink_sendmsg+0x723/0xbe0 [ 6203.526364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6203.526364][ T10] ___sys_sendmsg+0xee/0x170 [ 6203.526364][ T10] __sys_sendmsg+0xcd/0x170 [ 6203.526364][ T10] do_syscall_64+0xc6/0x1e0 [ 6203.526364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6203.526364][ T10] [ 6211.977130][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6211.977591][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6211.977591][ T1167] dst_init+0x84/0x4a0 [ 6211.977591][ T1167] dst_alloc+0x97/0x150 [ 6211.977591][ T1167] ip6_dst_alloc+0x23/0x90 [ 6211.977591][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6211.977591][ T1167] ip6_pol_route+0x56f/0x840 [ 6211.977591][ T1167] fib6_rule_lookup+0x334/0x630 [ 6211.977591][ T1167] ip6_route_output_flags+0x259/0x480 [ 6211.977591][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6211.977591][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6211.977591][ T1167] netlink_rcv_skb+0x130/0x360 [ 6211.977591][ T1167] netlink_unicast+0x449/0x710 [ 6211.977591][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6211.977591][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6211.977591][ T1167] ___sys_sendmsg+0xee/0x170 [ 6211.977591][ T1167] __sys_sendmsg+0xcd/0x170 [ 6211.977591][ T1167] do_syscall_64+0xc6/0x1e0 [ 6211.977591][ T1167] [ 6211.980031][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6211.980031][ T1167] netdev_get_by_index+0x5e/0x80 [ 6211.980031][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6211.980031][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6211.980031][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6211.980031][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6211.980031][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6211.980031][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6211.980031][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6211.980031][ T1167] addrconf_dad_begin+0x310/0x670 [ 6211.980031][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6211.980031][ T1167] process_one_work+0x84d/0x18a0 [ 6211.980031][ T1167] worker_thread+0x587/0xd30 [ 6211.980031][ T1167] kthread+0x28a/0x350 [ 6211.980031][ T1167] ret_from_fork+0x31/0x70 [ 6211.980031][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6211.980031][ T1167] [ 6211.982414][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6211.982414][ T1167] netdev_get_by_index+0x5e/0x80 [ 6211.982414][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6211.982414][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6211.982414][ T1167] ip6_route_add+0x1c/0x140 [ 6211.982414][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6211.982414][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6211.982414][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6211.982414][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6211.982414][ T1167] netlink_rcv_skb+0x130/0x360 [ 6211.982414][ T1167] netlink_unicast+0x449/0x710 [ 6211.982414][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6211.982414][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6211.982414][ T1167] ___sys_sendmsg+0xee/0x170 [ 6211.982414][ T1167] __sys_sendmsg+0xcd/0x170 [ 6211.982414][ T1167] do_syscall_64+0xc6/0x1e0 [ 6211.982414][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6211.982414][ T1167] [ 6211.984900][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6211.984900][ T1167] netdev_get_by_index+0x5e/0x80 [ 6211.984900][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6211.984900][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6211.984900][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6211.984900][ T1167] ipv6_add_addr+0x411/0x2000 [ 6211.984900][ T1167] inet6_addr_add+0x30e/0xa40 [ 6211.984900][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6211.984900][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6211.984900][ T1167] netlink_rcv_skb+0x130/0x360 [ 6211.984900][ T1167] netlink_unicast+0x449/0x710 [ 6211.984900][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6211.984900][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6211.984900][ T1167] ___sys_sendmsg+0xee/0x170 [ 6211.984900][ T1167] __sys_sendmsg+0xcd/0x170 [ 6211.984900][ T1167] do_syscall_64+0xc6/0x1e0 [ 6211.984900][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6211.984900][ T1167] [ 6211.987388][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6211.987388][ T1167] netdev_get_by_index+0x5e/0x80 [ 6211.987388][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6211.987388][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6211.987388][ T1167] ip6_route_add+0x1c/0x140 [ 6211.987388][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6211.987388][ T1167] addrconf_add_dev+0xe2/0x170 [ 6211.987388][ T1167] inet6_addr_add+0x12f/0xa40 [ 6211.987388][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6211.987388][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6211.987388][ T1167] netlink_rcv_skb+0x130/0x360 [ 6211.987388][ T1167] netlink_unicast+0x449/0x710 [ 6211.987388][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6211.987388][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6211.987388][ T1167] ___sys_sendmsg+0xee/0x170 [ 6211.987388][ T1167] __sys_sendmsg+0xcd/0x170 [ 6211.987388][ T1167] do_syscall_64+0xc6/0x1e0 [ 6211.987388][ T1167] [ 6211.989850][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6211.989850][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6211.989850][ T1167] ipv6_find_idev+0x102/0x170 [ 6211.989850][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6211.989850][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6211.989850][ T1167] netlink_rcv_skb+0x130/0x360 [ 6211.989850][ T1167] netlink_unicast+0x449/0x710 [ 6211.989850][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6211.989850][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6211.989850][ T1167] ___sys_sendmsg+0xee/0x170 [ 6211.989850][ T1167] __sys_sendmsg+0xcd/0x170 [ 6211.989850][ T1167] do_syscall_64+0xc6/0x1e0 [ 6211.989850][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6211.989850][ T1167] [ 6211.991790][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6211.991790][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6211.991790][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6211.991790][ T1167] ipv6_find_idev+0x102/0x170 [ 6211.991790][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6211.991790][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6211.991790][ T1167] netlink_rcv_skb+0x130/0x360 [ 6211.991790][ T1167] netlink_unicast+0x449/0x710 [ 6211.991790][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6211.991790][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6211.991790][ T1167] ___sys_sendmsg+0xee/0x170 [ 6211.991790][ T1167] __sys_sendmsg+0xcd/0x170 [ 6211.991790][ T1167] do_syscall_64+0xc6/0x1e0 [ 6211.991790][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6211.991790][ T1167] [ 6213.593106][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6213.593538][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6213.593538][ T10] netdev_get_by_index+0x5e/0x80 [ 6213.593538][ T10] fib6_nh_init+0x3d8/0x1580 [ 6213.593538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6213.593538][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6213.593538][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6213.593538][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6213.593538][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6213.593538][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6213.593538][ T10] addrconf_dad_begin+0x310/0x670 [ 6213.593538][ T10] addrconf_dad_work+0x10b/0xab0 [ 6213.593538][ T10] process_one_work+0x84d/0x18a0 [ 6213.593538][ T10] worker_thread+0x587/0xd30 [ 6213.593538][ T10] kthread+0x28a/0x350 [ 6213.593538][ T10] ret_from_fork+0x31/0x70 [ 6213.593538][ T10] ret_from_fork_asm+0x1a/0x30 [ 6213.593538][ T10] [ 6213.595720][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6213.595720][ T10] netdev_get_by_index+0x5e/0x80 [ 6213.595720][ T10] fib6_nh_init+0x3d8/0x1580 [ 6213.595720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6213.595720][ T10] ip6_route_add+0x1c/0x140 [ 6213.595720][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6213.595720][ T10] inet6_addr_add+0x4f8/0xa40 [ 6213.595720][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6213.595720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.595720][ T10] netlink_rcv_skb+0x130/0x360 [ 6213.595720][ T10] netlink_unicast+0x449/0x710 [ 6213.595720][ T10] netlink_sendmsg+0x723/0xbe0 [ 6213.595720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6213.595720][ T10] ___sys_sendmsg+0xee/0x170 [ 6213.595720][ T10] __sys_sendmsg+0xcd/0x170 [ 6213.595720][ T10] do_syscall_64+0xc6/0x1e0 [ 6213.595720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.595720][ T10] [ 6213.597964][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6213.597964][ T10] netdev_get_by_index+0x5e/0x80 [ 6213.597964][ T10] fib6_nh_init+0x3d8/0x1580 [ 6213.597964][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6213.597964][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6213.597964][ T10] ipv6_add_addr+0x411/0x2000 [ 6213.597964][ T10] inet6_addr_add+0x30e/0xa40 [ 6213.597964][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6213.597964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.597964][ T10] netlink_rcv_skb+0x130/0x360 [ 6213.597964][ T10] netlink_unicast+0x449/0x710 [ 6213.597964][ T10] netlink_sendmsg+0x723/0xbe0 [ 6213.597964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6213.597964][ T10] ___sys_sendmsg+0xee/0x170 [ 6213.597964][ T10] __sys_sendmsg+0xcd/0x170 [ 6213.597964][ T10] do_syscall_64+0xc6/0x1e0 [ 6213.597964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.597964][ T10] [ 6213.600243][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6213.600243][ T10] netdev_get_by_index+0x5e/0x80 [ 6213.600243][ T10] fib6_nh_init+0x3d8/0x1580 [ 6213.600243][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6213.600243][ T10] ip6_route_add+0x1c/0x140 [ 6213.600243][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6213.600243][ T10] addrconf_add_dev+0xe2/0x170 [ 6213.600243][ T10] inet6_addr_add+0x12f/0xa40 [ 6213.600243][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6213.600243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.600243][ T10] netlink_rcv_skb+0x130/0x360 [ 6213.600243][ T10] netlink_unicast+0x449/0x710 [ 6213.600243][ T10] netlink_sendmsg+0x723/0xbe0 [ 6213.600243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6213.600243][ T10] ___sys_sendmsg+0xee/0x170 [ 6213.600243][ T10] __sys_sendmsg+0xcd/0x170 [ 6213.600243][ T10] do_syscall_64+0xc6/0x1e0 [ 6213.600243][ T10] [ 6213.602447][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6213.602447][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6213.602447][ T10] ipv6_find_idev+0x102/0x170 [ 6213.602447][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6213.602447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.602447][ T10] netlink_rcv_skb+0x130/0x360 [ 6213.602447][ T10] netlink_unicast+0x449/0x710 [ 6213.602447][ T10] netlink_sendmsg+0x723/0xbe0 [ 6213.602447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6213.602447][ T10] ___sys_sendmsg+0xee/0x170 [ 6213.602447][ T10] __sys_sendmsg+0xcd/0x170 [ 6213.602447][ T10] do_syscall_64+0xc6/0x1e0 [ 6213.602447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.602447][ T10] [ 6213.604185][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6213.604185][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6213.604185][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6213.604185][ T10] ipv6_find_idev+0x102/0x170 [ 6213.604185][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6213.604185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.604185][ T10] netlink_rcv_skb+0x130/0x360 [ 6213.604185][ T10] netlink_unicast+0x449/0x710 [ 6213.604185][ T10] netlink_sendmsg+0x723/0xbe0 [ 6213.604185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6213.604185][ T10] ___sys_sendmsg+0xee/0x170 [ 6213.604185][ T10] __sys_sendmsg+0xcd/0x170 [ 6213.604185][ T10] do_syscall_64+0xc6/0x1e0 [ 6213.604185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.604185][ T10] [ 6213.606086][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6213.606353][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6213.606353][ T10] netdev_get_by_index+0x5e/0x80 [ 6213.606353][ T10] fib6_nh_init+0x3d8/0x1580 [ 6213.606353][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6213.606353][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6213.606353][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6213.606353][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6213.606353][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6213.606353][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6213.606353][ T10] addrconf_dad_begin+0x310/0x670 [ 6213.606353][ T10] addrconf_dad_work+0x10b/0xab0 [ 6213.606353][ T10] process_one_work+0x84d/0x18a0 [ 6213.606353][ T10] worker_thread+0x587/0xd30 [ 6213.606353][ T10] kthread+0x28a/0x350 [ 6213.606353][ T10] ret_from_fork+0x31/0x70 [ 6213.606353][ T10] ret_from_fork_asm+0x1a/0x30 [ 6213.606353][ T10] [ 6213.608494][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6213.608494][ T10] netdev_get_by_index+0x5e/0x80 [ 6213.608494][ T10] fib6_nh_init+0x3d8/0x1580 [ 6213.608494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6213.608494][ T10] ip6_route_add+0x1c/0x140 [ 6213.608494][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6213.608494][ T10] inet6_addr_add+0x4f8/0xa40 [ 6213.608494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6213.608494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.608494][ T10] netlink_rcv_skb+0x130/0x360 [ 6213.608494][ T10] netlink_unicast+0x449/0x710 [ 6213.608494][ T10] netlink_sendmsg+0x723/0xbe0 [ 6213.608494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6213.608494][ T10] ___sys_sendmsg+0xee/0x170 [ 6213.608494][ T10] __sys_sendmsg+0xcd/0x170 [ 6213.608494][ T10] do_syscall_64+0xc6/0x1e0 [ 6213.608494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.608494][ T10] [ 6213.610761][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6213.610761][ T10] netdev_get_by_index+0x5e/0x80 [ 6213.610761][ T10] fib6_nh_init+0x3d8/0x1580 [ 6213.610761][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6213.610761][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6213.610761][ T10] ipv6_add_addr+0x411/0x2000 [ 6213.610761][ T10] inet6_addr_add+0x30e/0xa40 [ 6213.610761][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6213.610761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.610761][ T10] netlink_rcv_skb+0x130/0x360 [ 6213.610761][ T10] netlink_unicast+0x449/0x710 [ 6213.610761][ T10] netlink_sendmsg+0x723/0xbe0 [ 6213.610761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6213.610761][ T10] ___sys_sendmsg+0xee/0x170 [ 6213.610761][ T10] __sys_sendmsg+0xcd/0x170 [ 6213.610761][ T10] do_syscall_64+0xc6/0x1e0 [ 6213.610761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.610761][ T10] [ 6213.613004][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6213.613004][ T10] netdev_get_by_index+0x5e/0x80 [ 6213.613004][ T10] fib6_nh_init+0x3d8/0x1580 [ 6213.613004][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6213.613004][ T10] ip6_route_add+0x1c/0x140 [ 6213.613004][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6213.613004][ T10] addrconf_add_dev+0xe2/0x170 [ 6213.613004][ T10] inet6_addr_add+0x12f/0xa40 [ 6213.613004][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6213.613004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.613004][ T10] netlink_rcv_skb+0x130/0x360 [ 6213.613004][ T10] netlink_unicast+0x449/0x710 [ 6213.613004][ T10] netlink_sendmsg+0x723/0xbe0 [ 6213.613004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6213.613004][ T10] ___sys_sendmsg+0xee/0x170 [ 6213.613004][ T10] __sys_sendmsg+0xcd/0x170 [ 6213.613004][ T10] do_syscall_64+0xc6/0x1e0 [ 6213.613004][ T10] [ 6213.615209][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6213.615209][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6213.615209][ T10] ipv6_find_idev+0x102/0x170 [ 6213.615209][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6213.615209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.615209][ T10] netlink_rcv_skb+0x130/0x360 [ 6213.615209][ T10] netlink_unicast+0x449/0x710 [ 6213.615209][ T10] netlink_sendmsg+0x723/0xbe0 [ 6213.615209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6213.615209][ T10] ___sys_sendmsg+0xee/0x170 [ 6213.615209][ T10] __sys_sendmsg+0xcd/0x170 [ 6213.615209][ T10] do_syscall_64+0xc6/0x1e0 [ 6213.615209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.615209][ T10] [ 6213.616934][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6213.616934][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6213.616934][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6213.616934][ T10] ipv6_find_idev+0x102/0x170 [ 6213.616934][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6213.616934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.616934][ T10] netlink_rcv_skb+0x130/0x360 [ 6213.616934][ T10] netlink_unicast+0x449/0x710 [ 6213.616934][ T10] netlink_sendmsg+0x723/0xbe0 [ 6213.616934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6213.616934][ T10] ___sys_sendmsg+0xee/0x170 [ 6213.616934][ T10] __sys_sendmsg+0xcd/0x170 [ 6213.616934][ T10] do_syscall_64+0xc6/0x1e0 [ 6213.616934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.616934][ T10] [ 6213.618828][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6213.619102][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6213.619102][ T10] netdev_get_by_index+0x5e/0x80 [ 6213.619102][ T10] fib6_nh_init+0x3d8/0x1580 [ 6213.619102][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6213.619102][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6213.619102][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6213.619102][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6213.619102][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6213.619102][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6213.619102][ T10] addrconf_dad_begin+0x310/0x670 [ 6213.619102][ T10] addrconf_dad_work+0x10b/0xab0 [ 6213.619102][ T10] process_one_work+0x84d/0x18a0 [ 6213.619102][ T10] worker_thread+0x587/0xd30 [ 6213.619102][ T10] kthread+0x28a/0x350 [ 6213.619102][ T10] ret_from_fork+0x31/0x70 [ 6213.619102][ T10] ret_from_fork_asm+0x1a/0x30 [ 6213.619102][ T10] [ 6213.621247][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6213.621247][ T10] netdev_get_by_index+0x5e/0x80 [ 6213.621247][ T10] fib6_nh_init+0x3d8/0x1580 [ 6213.621247][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6213.621247][ T10] ip6_route_add+0x1c/0x140 [ 6213.621247][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6213.621247][ T10] inet6_addr_add+0x4f8/0xa40 [ 6213.621247][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6213.621247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.621247][ T10] netlink_rcv_skb+0x130/0x360 [ 6213.621247][ T10] netlink_unicast+0x449/0x710 [ 6213.621247][ T10] netlink_sendmsg+0x723/0xbe0 [ 6213.621247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6213.621247][ T10] ___sys_sendmsg+0xee/0x170 [ 6213.621247][ T10] __sys_sendmsg+0xcd/0x170 [ 6213.621247][ T10] do_syscall_64+0xc6/0x1e0 [ 6213.621247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.621247][ T10] [ 6213.623678][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6213.623678][ T10] netdev_get_by_index+0x5e/0x80 [ 6213.623678][ T10] fib6_nh_init+0x3d8/0x1580 [ 6213.623678][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6213.623678][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6213.623678][ T10] ipv6_add_addr+0x411/0x2000 [ 6213.623678][ T10] inet6_addr_add+0x30e/0xa40 [ 6213.623678][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6213.623678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.623678][ T10] netlink_rcv_skb+0x130/0x360 [ 6213.623678][ T10] netlink_unicast+0x449/0x710 [ 6213.623678][ T10] netlink_sendmsg+0x723/0xbe0 [ 6213.623678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6213.623678][ T10] ___sys_sendmsg+0xee/0x170 [ 6213.623678][ T10] __sys_sendmsg+0xcd/0x170 [ 6213.623678][ T10] do_syscall_64+0xc6/0x1e0 [ 6213.623678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.623678][ T10] [ 6213.626170][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6213.626170][ T10] netdev_get_by_index+0x5e/0x80 [ 6213.626170][ T10] fib6_nh_init+0x3d8/0x1580 [ 6213.626170][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6213.626170][ T10] ip6_route_add+0x1c/0x140 [ 6213.626170][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6213.626170][ T10] addrconf_add_dev+0xe2/0x170 [ 6213.626170][ T10] inet6_addr_add+0x12f/0xa40 [ 6213.626170][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6213.626170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.626170][ T10] netlink_rcv_skb+0x130/0x360 [ 6213.626170][ T10] netlink_unicast+0x449/0x710 [ 6213.626170][ T10] netlink_sendmsg+0x723/0xbe0 [ 6213.626170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6213.626170][ T10] ___sys_sendmsg+0xee/0x170 [ 6213.626170][ T10] __sys_sendmsg+0xcd/0x170 [ 6213.626170][ T10] do_syscall_64+0xc6/0x1e0 [ 6213.626170][ T10] [ 6213.628516][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6213.628516][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6213.628516][ T10] ipv6_find_idev+0x102/0x170 [ 6213.628516][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6213.628516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.628516][ T10] netlink_rcv_skb+0x130/0x360 [ 6213.628516][ T10] netlink_unicast+0x449/0x710 [ 6213.628516][ T10] netlink_sendmsg+0x723/0xbe0 [ 6213.628516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6213.628516][ T10] ___sys_sendmsg+0xee/0x170 [ 6213.628516][ T10] __sys_sendmsg+0xcd/0x170 [ 6213.628516][ T10] do_syscall_64+0xc6/0x1e0 [ 6213.628516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.628516][ T10] [ 6213.630433][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6213.630433][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6213.630433][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6213.630433][ T10] ipv6_find_idev+0x102/0x170 [ 6213.630433][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6213.630433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.630433][ T10] netlink_rcv_skb+0x130/0x360 [ 6213.630433][ T10] netlink_unicast+0x449/0x710 [ 6213.630433][ T10] netlink_sendmsg+0x723/0xbe0 [ 6213.630433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6213.630433][ T10] ___sys_sendmsg+0xee/0x170 [ 6213.630433][ T10] __sys_sendmsg+0xcd/0x170 [ 6213.630433][ T10] do_syscall_64+0xc6/0x1e0 [ 6213.630433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.630433][ T10] [ 6213.632624][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6213.632879][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6213.632879][ T10] netdev_get_by_index+0x5e/0x80 [ 6213.632879][ T10] fib6_nh_init+0x3d8/0x1580 [ 6213.632879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6213.632879][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6213.632879][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6213.632879][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6213.632879][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6213.632879][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6213.632879][ T10] addrconf_dad_begin+0x310/0x670 [ 6213.632879][ T10] addrconf_dad_work+0x10b/0xab0 [ 6213.632879][ T10] process_one_work+0x84d/0x18a0 [ 6213.632879][ T10] worker_thread+0x587/0xd30 [ 6213.632879][ T10] kthread+0x28a/0x350 [ 6213.632879][ T10] ret_from_fork+0x31/0x70 [ 6213.632879][ T10] ret_from_fork_asm+0x1a/0x30 [ 6213.632879][ T10] [ 6213.635264][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6213.635264][ T10] netdev_get_by_index+0x5e/0x80 [ 6213.635264][ T10] fib6_nh_init+0x3d8/0x1580 [ 6213.635264][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6213.635264][ T10] ip6_route_add+0x1c/0x140 [ 6213.635264][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6213.635264][ T10] inet6_addr_add+0x4f8/0xa40 [ 6213.635264][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6213.635264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.635264][ T10] netlink_rcv_skb+0x130/0x360 [ 6213.635264][ T10] netlink_unicast+0x449/0x710 [ 6213.635264][ T10] netlink_sendmsg+0x723/0xbe0 [ 6213.635264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6213.635264][ T10] ___sys_sendmsg+0xee/0x170 [ 6213.635264][ T10] __sys_sendmsg+0xcd/0x170 [ 6213.635264][ T10] do_syscall_64+0xc6/0x1e0 [ 6213.635264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.635264][ T10] [ 6213.637704][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6213.637704][ T10] netdev_get_by_index+0x5e/0x80 [ 6213.637704][ T10] fib6_nh_init+0x3d8/0x1580 [ 6213.637704][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6213.637704][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6213.637704][ T10] ipv6_add_addr+0x411/0x2000 [ 6213.637704][ T10] inet6_addr_add+0x30e/0xa40 [ 6213.637704][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6213.637704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.637704][ T10] netlink_rcv_skb+0x130/0x360 [ 6213.637704][ T10] netlink_unicast+0x449/0x710 [ 6213.637704][ T10] netlink_sendmsg+0x723/0xbe0 [ 6213.637704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6213.637704][ T10] ___sys_sendmsg+0xee/0x170 [ 6213.637704][ T10] __sys_sendmsg+0xcd/0x170 [ 6213.637704][ T10] do_syscall_64+0xc6/0x1e0 [ 6213.637704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.637704][ T10] [ 6213.640160][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6213.640160][ T10] netdev_get_by_index+0x5e/0x80 [ 6213.640160][ T10] fib6_nh_init+0x3d8/0x1580 [ 6213.640160][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6213.640160][ T10] ip6_route_add+0x1c/0x140 [ 6213.640160][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6213.640160][ T10] addrconf_add_dev+0xe2/0x170 [ 6213.640160][ T10] inet6_addr_add+0x12f/0xa40 [ 6213.640160][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6213.640160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.640160][ T10] netlink_rcv_skb+0x130/0x360 [ 6213.640160][ T10] netlink_unicast+0x449/0x710 [ 6213.640160][ T10] netlink_sendmsg+0x723/0xbe0 [ 6213.640160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6213.640160][ T10] ___sys_sendmsg+0xee/0x170 [ 6213.640160][ T10] __sys_sendmsg+0xcd/0x170 [ 6213.640160][ T10] do_syscall_64+0xc6/0x1e0 [ 6213.640160][ T10] [ 6213.642679][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6213.642679][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6213.642679][ T10] ipv6_find_idev+0x102/0x170 [ 6213.642679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6213.642679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.642679][ T10] netlink_rcv_skb+0x130/0x360 [ 6213.642679][ T10] netlink_unicast+0x449/0x710 [ 6213.642679][ T10] netlink_sendmsg+0x723/0xbe0 [ 6213.642679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6213.642679][ T10] ___sys_sendmsg+0xee/0x170 [ 6213.642679][ T10] __sys_sendmsg+0xcd/0x170 [ 6213.642679][ T10] do_syscall_64+0xc6/0x1e0 [ 6213.642679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.642679][ T10] [ 6213.644588][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6213.644588][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6213.644588][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6213.644588][ T10] ipv6_find_idev+0x102/0x170 [ 6213.644588][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6213.644588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6213.644588][ T10] netlink_rcv_skb+0x130/0x360 [ 6213.644588][ T10] netlink_unicast+0x449/0x710 [ 6213.644588][ T10] netlink_sendmsg+0x723/0xbe0 [ 6213.644588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6213.644588][ T10] ___sys_sendmsg+0xee/0x170 [ 6213.644588][ T10] __sys_sendmsg+0xcd/0x170 [ 6213.644588][ T10] do_syscall_64+0xc6/0x1e0 [ 6213.644588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6213.644588][ T10] [ 6222.233203][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6222.233671][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6222.233671][ T1167] dst_init+0x84/0x4a0 [ 6222.233671][ T1167] dst_alloc+0x97/0x150 [ 6222.233671][ T1167] ip6_dst_alloc+0x23/0x90 [ 6222.233671][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6222.233671][ T1167] ip6_pol_route+0x56f/0x840 [ 6222.233671][ T1167] fib6_rule_lookup+0x334/0x630 [ 6222.233671][ T1167] ip6_route_output_flags+0x259/0x480 [ 6222.233671][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6222.233671][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6222.233671][ T1167] netlink_rcv_skb+0x130/0x360 [ 6222.233671][ T1167] netlink_unicast+0x449/0x710 [ 6222.233671][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6222.233671][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6222.233671][ T1167] ___sys_sendmsg+0xee/0x170 [ 6222.233671][ T1167] __sys_sendmsg+0xcd/0x170 [ 6222.233671][ T1167] do_syscall_64+0xc6/0x1e0 [ 6222.233671][ T1167] [ 6222.236113][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6222.236113][ T1167] netdev_get_by_index+0x5e/0x80 [ 6222.236113][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6222.236113][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6222.236113][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6222.236113][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6222.236113][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6222.236113][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6222.236113][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6222.236113][ T1167] addrconf_dad_begin+0x310/0x670 [ 6222.236113][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6222.236113][ T1167] process_one_work+0x84d/0x18a0 [ 6222.236113][ T1167] worker_thread+0x587/0xd30 [ 6222.236113][ T1167] kthread+0x28a/0x350 [ 6222.236113][ T1167] ret_from_fork+0x31/0x70 [ 6222.236113][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6222.236113][ T1167] [ 6222.238502][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6222.238502][ T1167] netdev_get_by_index+0x5e/0x80 [ 6222.238502][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6222.238502][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6222.238502][ T1167] ip6_route_add+0x1c/0x140 [ 6222.238502][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6222.238502][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6222.238502][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6222.238502][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6222.238502][ T1167] netlink_rcv_skb+0x130/0x360 [ 6222.238502][ T1167] netlink_unicast+0x449/0x710 [ 6222.238502][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6222.238502][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6222.238502][ T1167] ___sys_sendmsg+0xee/0x170 [ 6222.238502][ T1167] __sys_sendmsg+0xcd/0x170 [ 6222.238502][ T1167] do_syscall_64+0xc6/0x1e0 [ 6222.238502][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6222.238502][ T1167] [ 6222.240985][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6222.240985][ T1167] netdev_get_by_index+0x5e/0x80 [ 6222.240985][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6222.240985][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6222.240985][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6222.240985][ T1167] ipv6_add_addr+0x411/0x2000 [ 6222.240985][ T1167] inet6_addr_add+0x30e/0xa40 [ 6222.240985][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6222.240985][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6222.240985][ T1167] netlink_rcv_skb+0x130/0x360 [ 6222.240985][ T1167] netlink_unicast+0x449/0x710 [ 6222.240985][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6222.240985][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6222.240985][ T1167] ___sys_sendmsg+0xee/0x170 [ 6222.240985][ T1167] __sys_sendmsg+0xcd/0x170 [ 6222.240985][ T1167] do_syscall_64+0xc6/0x1e0 [ 6222.240985][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6222.240985][ T1167] [ 6222.243494][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6222.243494][ T1167] netdev_get_by_index+0x5e/0x80 [ 6222.243494][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6222.243494][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6222.243494][ T1167] ip6_route_add+0x1c/0x140 [ 6222.243494][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6222.243494][ T1167] addrconf_add_dev+0xe2/0x170 [ 6222.243494][ T1167] inet6_addr_add+0x12f/0xa40 [ 6222.243494][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6222.243494][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6222.243494][ T1167] netlink_rcv_skb+0x130/0x360 [ 6222.243494][ T1167] netlink_unicast+0x449/0x710 [ 6222.243494][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6222.243494][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6222.243494][ T1167] ___sys_sendmsg+0xee/0x170 [ 6222.243494][ T1167] __sys_sendmsg+0xcd/0x170 [ 6222.243494][ T1167] do_syscall_64+0xc6/0x1e0 [ 6222.243494][ T1167] [ 6222.245942][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6222.245942][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6222.245942][ T1167] ipv6_find_idev+0x102/0x170 [ 6222.245942][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6222.245942][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6222.245942][ T1167] netlink_rcv_skb+0x130/0x360 [ 6222.245942][ T1167] netlink_unicast+0x449/0x710 [ 6222.245942][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6222.245942][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6222.245942][ T1167] ___sys_sendmsg+0xee/0x170 [ 6222.245942][ T1167] __sys_sendmsg+0xcd/0x170 [ 6222.245942][ T1167] do_syscall_64+0xc6/0x1e0 [ 6222.245942][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6222.245942][ T1167] [ 6222.247866][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6222.247866][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6222.247866][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6222.247866][ T1167] ipv6_find_idev+0x102/0x170 [ 6222.247866][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6222.247866][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6222.247866][ T1167] netlink_rcv_skb+0x130/0x360 [ 6222.247866][ T1167] netlink_unicast+0x449/0x710 [ 6222.247866][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6222.247866][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6222.247866][ T1167] ___sys_sendmsg+0xee/0x170 [ 6222.247866][ T1167] __sys_sendmsg+0xcd/0x170 [ 6222.247866][ T1167] do_syscall_64+0xc6/0x1e0 [ 6222.247866][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6222.247866][ T1167] [ 6223.889107][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6223.889472][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6223.889472][ T10] netdev_get_by_index+0x5e/0x80 [ 6223.889472][ T10] fib6_nh_init+0x3d8/0x1580 [ 6223.889472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6223.889472][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6223.889472][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6223.889472][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6223.889472][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6223.889472][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6223.889472][ T10] addrconf_dad_begin+0x310/0x670 [ 6223.889472][ T10] addrconf_dad_work+0x10b/0xab0 [ 6223.889472][ T10] process_one_work+0x84d/0x18a0 [ 6223.889472][ T10] worker_thread+0x587/0xd30 [ 6223.889472][ T10] kthread+0x28a/0x350 [ 6223.889472][ T10] ret_from_fork+0x31/0x70 [ 6223.889472][ T10] ret_from_fork_asm+0x1a/0x30 [ 6223.889472][ T10] [ 6223.891469][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6223.891469][ T10] netdev_get_by_index+0x5e/0x80 [ 6223.891469][ T10] fib6_nh_init+0x3d8/0x1580 [ 6223.891469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6223.891469][ T10] ip6_route_add+0x1c/0x140 [ 6223.891469][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6223.891469][ T10] inet6_addr_add+0x4f8/0xa40 [ 6223.891469][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6223.891469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.891469][ T10] netlink_rcv_skb+0x130/0x360 [ 6223.891469][ T10] netlink_unicast+0x449/0x710 [ 6223.891469][ T10] netlink_sendmsg+0x723/0xbe0 [ 6223.891469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6223.891469][ T10] ___sys_sendmsg+0xee/0x170 [ 6223.891469][ T10] __sys_sendmsg+0xcd/0x170 [ 6223.891469][ T10] do_syscall_64+0xc6/0x1e0 [ 6223.891469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.891469][ T10] [ 6223.893511][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6223.893511][ T10] netdev_get_by_index+0x5e/0x80 [ 6223.893511][ T10] fib6_nh_init+0x3d8/0x1580 [ 6223.893511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6223.893511][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6223.893511][ T10] ipv6_add_addr+0x411/0x2000 [ 6223.893511][ T10] inet6_addr_add+0x30e/0xa40 [ 6223.893511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6223.893511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.893511][ T10] netlink_rcv_skb+0x130/0x360 [ 6223.893511][ T10] netlink_unicast+0x449/0x710 [ 6223.893511][ T10] netlink_sendmsg+0x723/0xbe0 [ 6223.893511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6223.893511][ T10] ___sys_sendmsg+0xee/0x170 [ 6223.893511][ T10] __sys_sendmsg+0xcd/0x170 [ 6223.893511][ T10] do_syscall_64+0xc6/0x1e0 [ 6223.893511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.893511][ T10] [ 6223.895534][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6223.895534][ T10] netdev_get_by_index+0x5e/0x80 [ 6223.895534][ T10] fib6_nh_init+0x3d8/0x1580 [ 6223.895534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6223.895534][ T10] ip6_route_add+0x1c/0x140 [ 6223.895534][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6223.895534][ T10] addrconf_add_dev+0xe2/0x170 [ 6223.895534][ T10] inet6_addr_add+0x12f/0xa40 [ 6223.895534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6223.895534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.895534][ T10] netlink_rcv_skb+0x130/0x360 [ 6223.895534][ T10] netlink_unicast+0x449/0x710 [ 6223.895534][ T10] netlink_sendmsg+0x723/0xbe0 [ 6223.895534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6223.895534][ T10] ___sys_sendmsg+0xee/0x170 [ 6223.895534][ T10] __sys_sendmsg+0xcd/0x170 [ 6223.895534][ T10] do_syscall_64+0xc6/0x1e0 [ 6223.895534][ T10] [ 6223.897519][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6223.897519][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6223.897519][ T10] ipv6_find_idev+0x102/0x170 [ 6223.897519][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6223.897519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.897519][ T10] netlink_rcv_skb+0x130/0x360 [ 6223.897519][ T10] netlink_unicast+0x449/0x710 [ 6223.897519][ T10] netlink_sendmsg+0x723/0xbe0 [ 6223.897519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6223.897519][ T10] ___sys_sendmsg+0xee/0x170 [ 6223.897519][ T10] __sys_sendmsg+0xcd/0x170 [ 6223.897519][ T10] do_syscall_64+0xc6/0x1e0 [ 6223.897519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.897519][ T10] [ 6223.899132][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6223.899132][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6223.899132][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6223.899132][ T10] ipv6_find_idev+0x102/0x170 [ 6223.899132][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6223.899132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.899132][ T10] netlink_rcv_skb+0x130/0x360 [ 6223.899132][ T10] netlink_unicast+0x449/0x710 [ 6223.899132][ T10] netlink_sendmsg+0x723/0xbe0 [ 6223.899132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6223.899132][ T10] ___sys_sendmsg+0xee/0x170 [ 6223.899132][ T10] __sys_sendmsg+0xcd/0x170 [ 6223.899132][ T10] do_syscall_64+0xc6/0x1e0 [ 6223.899132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.899132][ T10] [ 6223.900855][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6223.901115][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6223.901115][ T10] netdev_get_by_index+0x5e/0x80 [ 6223.901115][ T10] fib6_nh_init+0x3d8/0x1580 [ 6223.901115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6223.901115][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6223.901115][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6223.901115][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6223.901115][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6223.901115][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6223.901115][ T10] addrconf_dad_begin+0x310/0x670 [ 6223.901115][ T10] addrconf_dad_work+0x10b/0xab0 [ 6223.901115][ T10] process_one_work+0x84d/0x18a0 [ 6223.901115][ T10] worker_thread+0x587/0xd30 [ 6223.901115][ T10] kthread+0x28a/0x350 [ 6223.901115][ T10] ret_from_fork+0x31/0x70 [ 6223.901115][ T10] ret_from_fork_asm+0x1a/0x30 [ 6223.901115][ T10] [ 6223.903049][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6223.903049][ T10] netdev_get_by_index+0x5e/0x80 [ 6223.903049][ T10] fib6_nh_init+0x3d8/0x1580 [ 6223.903049][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6223.903049][ T10] ip6_route_add+0x1c/0x140 [ 6223.903049][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6223.903049][ T10] inet6_addr_add+0x4f8/0xa40 [ 6223.903049][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6223.903049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.903049][ T10] netlink_rcv_skb+0x130/0x360 [ 6223.903049][ T10] netlink_unicast+0x449/0x710 [ 6223.903049][ T10] netlink_sendmsg+0x723/0xbe0 [ 6223.903049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6223.903049][ T10] ___sys_sendmsg+0xee/0x170 [ 6223.903049][ T10] __sys_sendmsg+0xcd/0x170 [ 6223.903049][ T10] do_syscall_64+0xc6/0x1e0 [ 6223.903049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.903049][ T10] [ 6223.905064][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6223.905064][ T10] netdev_get_by_index+0x5e/0x80 [ 6223.905064][ T10] fib6_nh_init+0x3d8/0x1580 [ 6223.905064][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6223.905064][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6223.905064][ T10] ipv6_add_addr+0x411/0x2000 [ 6223.905064][ T10] inet6_addr_add+0x30e/0xa40 [ 6223.905064][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6223.905064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.905064][ T10] netlink_rcv_skb+0x130/0x360 [ 6223.905064][ T10] netlink_unicast+0x449/0x710 [ 6223.905064][ T10] netlink_sendmsg+0x723/0xbe0 [ 6223.905064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6223.905064][ T10] ___sys_sendmsg+0xee/0x170 [ 6223.905064][ T10] __sys_sendmsg+0xcd/0x170 [ 6223.905064][ T10] do_syscall_64+0xc6/0x1e0 [ 6223.905064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.905064][ T10] [ 6223.907084][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6223.907084][ T10] netdev_get_by_index+0x5e/0x80 [ 6223.907084][ T10] fib6_nh_init+0x3d8/0x1580 [ 6223.907084][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6223.907084][ T10] ip6_route_add+0x1c/0x140 [ 6223.907084][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6223.907084][ T10] addrconf_add_dev+0xe2/0x170 [ 6223.907084][ T10] inet6_addr_add+0x12f/0xa40 [ 6223.907084][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6223.907084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.907084][ T10] netlink_rcv_skb+0x130/0x360 [ 6223.907084][ T10] netlink_unicast+0x449/0x710 [ 6223.907084][ T10] netlink_sendmsg+0x723/0xbe0 [ 6223.907084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6223.907084][ T10] ___sys_sendmsg+0xee/0x170 [ 6223.907084][ T10] __sys_sendmsg+0xcd/0x170 [ 6223.907084][ T10] do_syscall_64+0xc6/0x1e0 [ 6223.907084][ T10] [ 6223.909072][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6223.909072][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6223.909072][ T10] ipv6_find_idev+0x102/0x170 [ 6223.909072][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6223.909072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.909072][ T10] netlink_rcv_skb+0x130/0x360 [ 6223.909072][ T10] netlink_unicast+0x449/0x710 [ 6223.909072][ T10] netlink_sendmsg+0x723/0xbe0 [ 6223.909072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6223.909072][ T10] ___sys_sendmsg+0xee/0x170 [ 6223.909072][ T10] __sys_sendmsg+0xcd/0x170 [ 6223.909072][ T10] do_syscall_64+0xc6/0x1e0 [ 6223.909072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.909072][ T10] [ 6223.910629][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6223.910629][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6223.910629][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6223.910629][ T10] ipv6_find_idev+0x102/0x170 [ 6223.910629][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6223.910629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.910629][ T10] netlink_rcv_skb+0x130/0x360 [ 6223.910629][ T10] netlink_unicast+0x449/0x710 [ 6223.910629][ T10] netlink_sendmsg+0x723/0xbe0 [ 6223.910629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6223.910629][ T10] ___sys_sendmsg+0xee/0x170 [ 6223.910629][ T10] __sys_sendmsg+0xcd/0x170 [ 6223.910629][ T10] do_syscall_64+0xc6/0x1e0 [ 6223.910629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.910629][ T10] [ 6223.912345][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6223.912601][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6223.912601][ T10] netdev_get_by_index+0x5e/0x80 [ 6223.912601][ T10] fib6_nh_init+0x3d8/0x1580 [ 6223.912601][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6223.912601][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6223.912601][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6223.912601][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6223.912601][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6223.912601][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6223.912601][ T10] addrconf_dad_begin+0x310/0x670 [ 6223.912601][ T10] addrconf_dad_work+0x10b/0xab0 [ 6223.912601][ T10] process_one_work+0x84d/0x18a0 [ 6223.912601][ T10] worker_thread+0x587/0xd30 [ 6223.912601][ T10] kthread+0x28a/0x350 [ 6223.912601][ T10] ret_from_fork+0x31/0x70 [ 6223.912601][ T10] ret_from_fork_asm+0x1a/0x30 [ 6223.912601][ T10] [ 6223.914524][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6223.914524][ T10] netdev_get_by_index+0x5e/0x80 [ 6223.914524][ T10] fib6_nh_init+0x3d8/0x1580 [ 6223.914524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6223.914524][ T10] ip6_route_add+0x1c/0x140 [ 6223.914524][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6223.914524][ T10] inet6_addr_add+0x4f8/0xa40 [ 6223.914524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6223.914524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.914524][ T10] netlink_rcv_skb+0x130/0x360 [ 6223.914524][ T10] netlink_unicast+0x449/0x710 [ 6223.914524][ T10] netlink_sendmsg+0x723/0xbe0 [ 6223.914524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6223.914524][ T10] ___sys_sendmsg+0xee/0x170 [ 6223.914524][ T10] __sys_sendmsg+0xcd/0x170 [ 6223.914524][ T10] do_syscall_64+0xc6/0x1e0 [ 6223.914524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.914524][ T10] [ 6223.916752][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6223.916752][ T10] netdev_get_by_index+0x5e/0x80 [ 6223.916752][ T10] fib6_nh_init+0x3d8/0x1580 [ 6223.916752][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6223.916752][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6223.916752][ T10] ipv6_add_addr+0x411/0x2000 [ 6223.916752][ T10] inet6_addr_add+0x30e/0xa40 [ 6223.916752][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6223.916752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.916752][ T10] netlink_rcv_skb+0x130/0x360 [ 6223.916752][ T10] netlink_unicast+0x449/0x710 [ 6223.916752][ T10] netlink_sendmsg+0x723/0xbe0 [ 6223.916752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6223.916752][ T10] ___sys_sendmsg+0xee/0x170 [ 6223.916752][ T10] __sys_sendmsg+0xcd/0x170 [ 6223.916752][ T10] do_syscall_64+0xc6/0x1e0 [ 6223.916752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.916752][ T10] [ 6223.918937][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6223.918937][ T10] netdev_get_by_index+0x5e/0x80 [ 6223.918937][ T10] fib6_nh_init+0x3d8/0x1580 [ 6223.918937][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6223.918937][ T10] ip6_route_add+0x1c/0x140 [ 6223.918937][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6223.918937][ T10] addrconf_add_dev+0xe2/0x170 [ 6223.918937][ T10] inet6_addr_add+0x12f/0xa40 [ 6223.918937][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6223.918937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.918937][ T10] netlink_rcv_skb+0x130/0x360 [ 6223.918937][ T10] netlink_unicast+0x449/0x710 [ 6223.918937][ T10] netlink_sendmsg+0x723/0xbe0 [ 6223.918937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6223.918937][ T10] ___sys_sendmsg+0xee/0x170 [ 6223.918937][ T10] __sys_sendmsg+0xcd/0x170 [ 6223.918937][ T10] do_syscall_64+0xc6/0x1e0 [ 6223.918937][ T10] [ 6223.921085][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6223.921085][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6223.921085][ T10] ipv6_find_idev+0x102/0x170 [ 6223.921085][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6223.921085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.921085][ T10] netlink_rcv_skb+0x130/0x360 [ 6223.921085][ T10] netlink_unicast+0x449/0x710 [ 6223.921085][ T10] netlink_sendmsg+0x723/0xbe0 [ 6223.921085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6223.921085][ T10] ___sys_sendmsg+0xee/0x170 [ 6223.921085][ T10] __sys_sendmsg+0xcd/0x170 [ 6223.921085][ T10] do_syscall_64+0xc6/0x1e0 [ 6223.921085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.921085][ T10] [ 6223.922801][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6223.922801][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6223.922801][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6223.922801][ T10] ipv6_find_idev+0x102/0x170 [ 6223.922801][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6223.922801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.922801][ T10] netlink_rcv_skb+0x130/0x360 [ 6223.922801][ T10] netlink_unicast+0x449/0x710 [ 6223.922801][ T10] netlink_sendmsg+0x723/0xbe0 [ 6223.922801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6223.922801][ T10] ___sys_sendmsg+0xee/0x170 [ 6223.922801][ T10] __sys_sendmsg+0xcd/0x170 [ 6223.922801][ T10] do_syscall_64+0xc6/0x1e0 [ 6223.922801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.922801][ T10] [ 6223.924588][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6223.924827][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6223.924827][ T10] netdev_get_by_index+0x5e/0x80 [ 6223.924827][ T10] fib6_nh_init+0x3d8/0x1580 [ 6223.924827][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6223.924827][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6223.924827][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6223.924827][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6223.924827][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6223.924827][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6223.924827][ T10] addrconf_dad_begin+0x310/0x670 [ 6223.924827][ T10] addrconf_dad_work+0x10b/0xab0 [ 6223.924827][ T10] process_one_work+0x84d/0x18a0 [ 6223.924827][ T10] worker_thread+0x587/0xd30 [ 6223.924827][ T10] kthread+0x28a/0x350 [ 6223.924827][ T10] ret_from_fork+0x31/0x70 [ 6223.924827][ T10] ret_from_fork_asm+0x1a/0x30 [ 6223.924827][ T10] [ 6223.926984][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6223.926984][ T10] netdev_get_by_index+0x5e/0x80 [ 6223.926984][ T10] fib6_nh_init+0x3d8/0x1580 [ 6223.926984][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6223.926984][ T10] ip6_route_add+0x1c/0x140 [ 6223.926984][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6223.926984][ T10] inet6_addr_add+0x4f8/0xa40 [ 6223.926984][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6223.926984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.926984][ T10] netlink_rcv_skb+0x130/0x360 [ 6223.926984][ T10] netlink_unicast+0x449/0x710 [ 6223.926984][ T10] netlink_sendmsg+0x723/0xbe0 [ 6223.926984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6223.926984][ T10] ___sys_sendmsg+0xee/0x170 [ 6223.926984][ T10] __sys_sendmsg+0xcd/0x170 [ 6223.926984][ T10] do_syscall_64+0xc6/0x1e0 [ 6223.926984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.926984][ T10] [ 6223.929161][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6223.929161][ T10] netdev_get_by_index+0x5e/0x80 [ 6223.929161][ T10] fib6_nh_init+0x3d8/0x1580 [ 6223.929161][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6223.929161][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6223.929161][ T10] ipv6_add_addr+0x411/0x2000 [ 6223.929161][ T10] inet6_addr_add+0x30e/0xa40 [ 6223.929161][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6223.929161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.929161][ T10] netlink_rcv_skb+0x130/0x360 [ 6223.929161][ T10] netlink_unicast+0x449/0x710 [ 6223.929161][ T10] netlink_sendmsg+0x723/0xbe0 [ 6223.929161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6223.929161][ T10] ___sys_sendmsg+0xee/0x170 [ 6223.929161][ T10] __sys_sendmsg+0xcd/0x170 [ 6223.929161][ T10] do_syscall_64+0xc6/0x1e0 [ 6223.929161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.929161][ T10] [ 6223.931339][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6223.931339][ T10] netdev_get_by_index+0x5e/0x80 [ 6223.931339][ T10] fib6_nh_init+0x3d8/0x1580 [ 6223.931339][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6223.931339][ T10] ip6_route_add+0x1c/0x140 [ 6223.931339][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6223.931339][ T10] addrconf_add_dev+0xe2/0x170 [ 6223.931339][ T10] inet6_addr_add+0x12f/0xa40 [ 6223.931339][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6223.931339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.931339][ T10] netlink_rcv_skb+0x130/0x360 [ 6223.931339][ T10] netlink_unicast+0x449/0x710 [ 6223.931339][ T10] netlink_sendmsg+0x723/0xbe0 [ 6223.931339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6223.931339][ T10] ___sys_sendmsg+0xee/0x170 [ 6223.931339][ T10] __sys_sendmsg+0xcd/0x170 [ 6223.931339][ T10] do_syscall_64+0xc6/0x1e0 [ 6223.931339][ T10] [ 6223.933479][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6223.933479][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6223.933479][ T10] ipv6_find_idev+0x102/0x170 [ 6223.933479][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6223.933479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.933479][ T10] netlink_rcv_skb+0x130/0x360 [ 6223.933479][ T10] netlink_unicast+0x449/0x710 [ 6223.933479][ T10] netlink_sendmsg+0x723/0xbe0 [ 6223.933479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6223.933479][ T10] ___sys_sendmsg+0xee/0x170 [ 6223.933479][ T10] __sys_sendmsg+0xcd/0x170 [ 6223.933479][ T10] do_syscall_64+0xc6/0x1e0 [ 6223.933479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.933479][ T10] [ 6223.935175][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6223.935175][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6223.935175][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6223.935175][ T10] ipv6_find_idev+0x102/0x170 [ 6223.935175][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6223.935175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6223.935175][ T10] netlink_rcv_skb+0x130/0x360 [ 6223.935175][ T10] netlink_unicast+0x449/0x710 [ 6223.935175][ T10] netlink_sendmsg+0x723/0xbe0 [ 6223.935175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6223.935175][ T10] ___sys_sendmsg+0xee/0x170 [ 6223.935175][ T10] __sys_sendmsg+0xcd/0x170 [ 6223.935175][ T10] do_syscall_64+0xc6/0x1e0 [ 6223.935175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6223.935175][ T10] [ 6232.489104][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6232.489623][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6232.489623][ T1167] dst_init+0x84/0x4a0 [ 6232.489623][ T1167] dst_alloc+0x97/0x150 [ 6232.489623][ T1167] ip6_dst_alloc+0x23/0x90 [ 6232.489623][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6232.489623][ T1167] ip6_pol_route+0x56f/0x840 [ 6232.489623][ T1167] fib6_rule_lookup+0x334/0x630 [ 6232.489623][ T1167] ip6_route_output_flags+0x259/0x480 [ 6232.489623][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6232.489623][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6232.489623][ T1167] netlink_rcv_skb+0x130/0x360 [ 6232.489623][ T1167] netlink_unicast+0x449/0x710 [ 6232.489623][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6232.489623][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6232.489623][ T1167] ___sys_sendmsg+0xee/0x170 [ 6232.489623][ T1167] __sys_sendmsg+0xcd/0x170 [ 6232.489623][ T1167] do_syscall_64+0xc6/0x1e0 [ 6232.489623][ T1167] [ 6232.492074][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6232.492074][ T1167] netdev_get_by_index+0x5e/0x80 [ 6232.492074][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6232.492074][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6232.492074][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6232.492074][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6232.492074][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6232.492074][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6232.492074][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6232.492074][ T1167] addrconf_dad_begin+0x310/0x670 [ 6232.492074][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6232.492074][ T1167] process_one_work+0x84d/0x18a0 [ 6232.492074][ T1167] worker_thread+0x587/0xd30 [ 6232.492074][ T1167] kthread+0x28a/0x350 [ 6232.492074][ T1167] ret_from_fork+0x31/0x70 [ 6232.492074][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6232.492074][ T1167] [ 6232.494503][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6232.494503][ T1167] netdev_get_by_index+0x5e/0x80 [ 6232.494503][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6232.494503][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6232.494503][ T1167] ip6_route_add+0x1c/0x140 [ 6232.494503][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6232.494503][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6232.494503][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6232.494503][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6232.494503][ T1167] netlink_rcv_skb+0x130/0x360 [ 6232.494503][ T1167] netlink_unicast+0x449/0x710 [ 6232.494503][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6232.494503][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6232.494503][ T1167] ___sys_sendmsg+0xee/0x170 [ 6232.494503][ T1167] __sys_sendmsg+0xcd/0x170 [ 6232.494503][ T1167] do_syscall_64+0xc6/0x1e0 [ 6232.494503][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6232.494503][ T1167] [ 6232.497004][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6232.497004][ T1167] netdev_get_by_index+0x5e/0x80 [ 6232.497004][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6232.497004][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6232.497004][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6232.497004][ T1167] ipv6_add_addr+0x411/0x2000 [ 6232.497004][ T1167] inet6_addr_add+0x30e/0xa40 [ 6232.497004][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6232.497004][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6232.497004][ T1167] netlink_rcv_skb+0x130/0x360 [ 6232.497004][ T1167] netlink_unicast+0x449/0x710 [ 6232.497004][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6232.497004][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6232.497004][ T1167] ___sys_sendmsg+0xee/0x170 [ 6232.497004][ T1167] __sys_sendmsg+0xcd/0x170 [ 6232.497004][ T1167] do_syscall_64+0xc6/0x1e0 [ 6232.497004][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6232.497004][ T1167] [ 6232.499490][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6232.499490][ T1167] netdev_get_by_index+0x5e/0x80 [ 6232.499490][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6232.499490][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6232.499490][ T1167] ip6_route_add+0x1c/0x140 [ 6232.499490][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6232.499490][ T1167] addrconf_add_dev+0xe2/0x170 [ 6232.499490][ T1167] inet6_addr_add+0x12f/0xa40 [ 6232.499490][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6232.499490][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6232.499490][ T1167] netlink_rcv_skb+0x130/0x360 [ 6232.499490][ T1167] netlink_unicast+0x449/0x710 [ 6232.499490][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6232.499490][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6232.499490][ T1167] ___sys_sendmsg+0xee/0x170 [ 6232.499490][ T1167] __sys_sendmsg+0xcd/0x170 [ 6232.499490][ T1167] do_syscall_64+0xc6/0x1e0 [ 6232.499490][ T1167] [ 6232.501938][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6232.501938][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6232.501938][ T1167] ipv6_find_idev+0x102/0x170 [ 6232.501938][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6232.501938][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6232.501938][ T1167] netlink_rcv_skb+0x130/0x360 [ 6232.501938][ T1167] netlink_unicast+0x449/0x710 [ 6232.501938][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6232.501938][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6232.501938][ T1167] ___sys_sendmsg+0xee/0x170 [ 6232.501938][ T1167] __sys_sendmsg+0xcd/0x170 [ 6232.501938][ T1167] do_syscall_64+0xc6/0x1e0 [ 6232.501938][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6232.501938][ T1167] [ 6232.503848][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6232.503848][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6232.503848][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6232.503848][ T1167] ipv6_find_idev+0x102/0x170 [ 6232.503848][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6232.503848][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6232.503848][ T1167] netlink_rcv_skb+0x130/0x360 [ 6232.503848][ T1167] netlink_unicast+0x449/0x710 [ 6232.503848][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6232.503848][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6232.503848][ T1167] ___sys_sendmsg+0xee/0x170 [ 6232.503848][ T1167] __sys_sendmsg+0xcd/0x170 [ 6232.503848][ T1167] do_syscall_64+0xc6/0x1e0 [ 6232.503848][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6232.503848][ T1167] [ 6234.177040][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6234.177506][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6234.177506][ T10] netdev_get_by_index+0x5e/0x80 [ 6234.177506][ T10] fib6_nh_init+0x3d8/0x1580 [ 6234.177506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6234.177506][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6234.177506][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6234.177506][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6234.177506][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6234.177506][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6234.177506][ T10] addrconf_dad_begin+0x310/0x670 [ 6234.177506][ T10] addrconf_dad_work+0x10b/0xab0 [ 6234.177506][ T10] process_one_work+0x84d/0x18a0 [ 6234.177506][ T10] worker_thread+0x587/0xd30 [ 6234.177506][ T10] kthread+0x28a/0x350 [ 6234.177506][ T10] ret_from_fork+0x31/0x70 [ 6234.177506][ T10] ret_from_fork_asm+0x1a/0x30 [ 6234.177506][ T10] [ 6234.179476][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6234.179476][ T10] netdev_get_by_index+0x5e/0x80 [ 6234.179476][ T10] fib6_nh_init+0x3d8/0x1580 [ 6234.179476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6234.179476][ T10] ip6_route_add+0x1c/0x140 [ 6234.179476][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6234.179476][ T10] inet6_addr_add+0x4f8/0xa40 [ 6234.179476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6234.179476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6234.179476][ T10] netlink_rcv_skb+0x130/0x360 [ 6234.179476][ T10] netlink_unicast+0x449/0x710 [ 6234.179476][ T10] netlink_sendmsg+0x723/0xbe0 [ 6234.179476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6234.179476][ T10] ___sys_sendmsg+0xee/0x170 [ 6234.179476][ T10] __sys_sendmsg+0xcd/0x170 [ 6234.179476][ T10] do_syscall_64+0xc6/0x1e0 [ 6234.179476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6234.179476][ T10] [ 6234.181509][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6234.181509][ T10] netdev_get_by_index+0x5e/0x80 [ 6234.181509][ T10] fib6_nh_init+0x3d8/0x1580 [ 6234.181509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6234.181509][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6234.181509][ T10] ipv6_add_addr+0x411/0x2000 [ 6234.181509][ T10] inet6_addr_add+0x30e/0xa40 [ 6234.181509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6234.181509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6234.181509][ T10] netlink_rcv_skb+0x130/0x360 [ 6234.181509][ T10] netlink_unicast+0x449/0x710 [ 6234.181509][ T10] netlink_sendmsg+0x723/0xbe0 [ 6234.181509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6234.181509][ T10] ___sys_sendmsg+0xee/0x170 [ 6234.181509][ T10] __sys_sendmsg+0xcd/0x170 [ 6234.181509][ T10] do_syscall_64+0xc6/0x1e0 [ 6234.181509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6234.181509][ T10] [ 6234.183519][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6234.183519][ T10] netdev_get_by_index+0x5e/0x80 [ 6234.183519][ T10] fib6_nh_init+0x3d8/0x1580 [ 6234.183519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6234.183519][ T10] ip6_route_add+0x1c/0x140 [ 6234.183519][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6234.183519][ T10] addrconf_add_dev+0xe2/0x170 [ 6234.183519][ T10] inet6_addr_add+0x12f/0xa40 [ 6234.183519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6234.183519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6234.183519][ T10] netlink_rcv_skb+0x130/0x360 [ 6234.183519][ T10] netlink_unicast+0x449/0x710 [ 6234.183519][ T10] netlink_sendmsg+0x723/0xbe0 [ 6234.183519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6234.183519][ T10] ___sys_sendmsg+0xee/0x170 [ 6234.183519][ T10] __sys_sendmsg+0xcd/0x170 [ 6234.183519][ T10] do_syscall_64+0xc6/0x1e0 [ 6234.183519][ T10] [ 6234.185497][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6234.185497][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6234.185497][ T10] ipv6_find_idev+0x102/0x170 [ 6234.185497][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6234.185497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6234.185497][ T10] netlink_rcv_skb+0x130/0x360 [ 6234.185497][ T10] netlink_unicast+0x449/0x710 [ 6234.185497][ T10] netlink_sendmsg+0x723/0xbe0 [ 6234.185497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6234.185497][ T10] ___sys_sendmsg+0xee/0x170 [ 6234.185497][ T10] __sys_sendmsg+0xcd/0x170 [ 6234.185497][ T10] do_syscall_64+0xc6/0x1e0 [ 6234.185497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6234.185497][ T10] [ 6234.187050][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6234.187050][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6234.187050][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6234.187050][ T10] ipv6_find_idev+0x102/0x170 [ 6234.187050][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6234.187050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6234.187050][ T10] netlink_rcv_skb+0x130/0x360 [ 6234.187050][ T10] netlink_unicast+0x449/0x710 [ 6234.187050][ T10] netlink_sendmsg+0x723/0xbe0 [ 6234.187050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6234.187050][ T10] ___sys_sendmsg+0xee/0x170 [ 6234.187050][ T10] __sys_sendmsg+0xcd/0x170 [ 6234.187050][ T10] do_syscall_64+0xc6/0x1e0 [ 6234.187050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6234.187050][ T10] [ 6234.190398][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6234.190647][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6234.190647][ T10] netdev_get_by_index+0x5e/0x80 [ 6234.190647][ T10] fib6_nh_init+0x3d8/0x1580 [ 6234.190647][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6234.190647][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6234.190647][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6234.190647][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6234.190647][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6234.190647][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6234.190647][ T10] addrconf_dad_begin+0x310/0x670 [ 6234.190647][ T10] addrconf_dad_work+0x10b/0xab0 [ 6234.190647][ T10] process_one_work+0x84d/0x18a0 [ 6234.190647][ T10] worker_thread+0x587/0xd30 [ 6234.190647][ T10] kthread+0x28a/0x350 [ 6234.190647][ T10] ret_from_fork+0x31/0x70 [ 6234.190647][ T10] ret_from_fork_asm+0x1a/0x30 [ 6234.190647][ T10] [ 6234.192598][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6234.192598][ T10] netdev_get_by_index+0x5e/0x80 [ 6234.192598][ T10] fib6_nh_init+0x3d8/0x1580 [ 6234.192598][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6234.192598][ T10] ip6_route_add+0x1c/0x140 [ 6234.192598][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6234.192598][ T10] inet6_addr_add+0x4f8/0xa40 [ 6234.192598][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6234.192598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6234.192598][ T10] netlink_rcv_skb+0x130/0x360 [ 6234.192598][ T10] netlink_unicast+0x449/0x710 [ 6234.192598][ T10] netlink_sendmsg+0x723/0xbe0 [ 6234.192598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6234.192598][ T10] ___sys_sendmsg+0xee/0x170 [ 6234.192598][ T10] __sys_sendmsg+0xcd/0x170 [ 6234.192598][ T10] do_syscall_64+0xc6/0x1e0 [ 6234.192598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6234.192598][ T10] [ 6234.194622][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6234.194622][ T10] netdev_get_by_index+0x5e/0x80 [ 6234.194622][ T10] fib6_nh_init+0x3d8/0x1580 [ 6234.194622][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6234.194622][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6234.194622][ T10] ipv6_add_addr+0x411/0x2000 [ 6234.194622][ T10] inet6_addr_add+0x30e/0xa40 [ 6234.194622][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6234.194622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6234.194622][ T10] netlink_rcv_skb+0x130/0x360 [ 6234.194622][ T10] netlink_unicast+0x449/0x710 [ 6234.194622][ T10] netlink_sendmsg+0x723/0xbe0 [ 6234.194622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6234.194622][ T10] ___sys_sendmsg+0xee/0x170 [ 6234.194622][ T10] __sys_sendmsg+0xcd/0x170 [ 6234.194622][ T10] do_syscall_64+0xc6/0x1e0 [ 6234.194622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6234.194622][ T10] [ 6234.196656][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6234.196656][ T10] netdev_get_by_index+0x5e/0x80 [ 6234.196656][ T10] fib6_nh_init+0x3d8/0x1580 [ 6234.196656][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6234.196656][ T10] ip6_route_add+0x1c/0x140 [ 6234.196656][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6234.196656][ T10] addrconf_add_dev+0xe2/0x170 [ 6234.196656][ T10] inet6_addr_add+0x12f/0xa40 [ 6234.196656][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6234.196656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6234.196656][ T10] netlink_rcv_skb+0x130/0x360 [ 6234.196656][ T10] netlink_unicast+0x449/0x710 [ 6234.196656][ T10] netlink_sendmsg+0x723/0xbe0 [ 6234.196656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6234.196656][ T10] ___sys_sendmsg+0xee/0x170 [ 6234.196656][ T10] __sys_sendmsg+0xcd/0x170 [ 6234.196656][ T10] do_syscall_64+0xc6/0x1e0 [ 6234.196656][ T10] [ 6234.198644][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6234.198644][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6234.198644][ T10] ipv6_find_idev+0x102/0x170 [ 6234.198644][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6234.198644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6234.198644][ T10] netlink_rcv_skb+0x130/0x360 [ 6234.198644][ T10] netlink_unicast+0x449/0x710 [ 6234.198644][ T10] netlink_sendmsg+0x723/0xbe0 [ 6234.198644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6234.198644][ T10] ___sys_sendmsg+0xee/0x170 [ 6234.198644][ T10] __sys_sendmsg+0xcd/0x170 [ 6234.198644][ T10] do_syscall_64+0xc6/0x1e0 [ 6234.198644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6234.198644][ T10] [ 6234.200213][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6234.200213][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6234.200213][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6234.200213][ T10] ipv6_find_idev+0x102/0x170 [ 6234.200213][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6234.200213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6234.200213][ T10] netlink_rcv_skb+0x130/0x360 [ 6234.200213][ T10] netlink_unicast+0x449/0x710 [ 6234.200213][ T10] netlink_sendmsg+0x723/0xbe0 [ 6234.200213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6234.200213][ T10] ___sys_sendmsg+0xee/0x170 [ 6234.200213][ T10] __sys_sendmsg+0xcd/0x170 [ 6234.200213][ T10] do_syscall_64+0xc6/0x1e0 [ 6234.200213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6234.200213][ T10] [ 6234.201929][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6234.202186][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6234.202186][ T10] netdev_get_by_index+0x5e/0x80 [ 6234.202186][ T10] fib6_nh_init+0x3d8/0x1580 [ 6234.202186][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6234.202186][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6234.202186][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6234.202186][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6234.202186][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6234.202186][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6234.202186][ T10] addrconf_dad_begin+0x310/0x670 [ 6234.202186][ T10] addrconf_dad_work+0x10b/0xab0 [ 6234.202186][ T10] process_one_work+0x84d/0x18a0 [ 6234.202186][ T10] worker_thread+0x587/0xd30 [ 6234.202186][ T10] kthread+0x28a/0x350 [ 6234.202186][ T10] ret_from_fork+0x31/0x70 [ 6234.202186][ T10] ret_from_fork_asm+0x1a/0x30 [ 6234.202186][ T10] [ 6234.204142][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6234.204142][ T10] netdev_get_by_index+0x5e/0x80 [ 6234.204142][ T10] fib6_nh_init+0x3d8/0x1580 [ 6234.204142][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6234.204142][ T10] ip6_route_add+0x1c/0x140 [ 6234.204142][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6234.204142][ T10] inet6_addr_add+0x4f8/0xa40 [ 6234.204142][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6234.204142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6234.204142][ T10] netlink_rcv_skb+0x130/0x360 [ 6234.204142][ T10] netlink_unicast+0x449/0x710 [ 6234.204142][ T10] netlink_sendmsg+0x723/0xbe0 [ 6234.204142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6234.204142][ T10] ___sys_sendmsg+0xee/0x170 [ 6234.204142][ T10] __sys_sendmsg+0xcd/0x170 [ 6234.204142][ T10] do_syscall_64+0xc6/0x1e0 [ 6234.204142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6234.204142][ T10] [ 6234.206336][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6234.206336][ T10] netdev_get_by_index+0x5e/0x80 [ 6234.206336][ T10] fib6_nh_init+0x3d8/0x1580 [ 6234.206336][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6234.206336][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6234.206336][ T10] ipv6_add_addr+0x411/0x2000 [ 6234.206336][ T10] inet6_addr_add+0x30e/0xa40 [ 6234.206336][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6234.206336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6234.206336][ T10] netlink_rcv_skb+0x130/0x360 [ 6234.206336][ T10] netlink_unicast+0x449/0x710 [ 6234.206336][ T10] netlink_sendmsg+0x723/0xbe0 [ 6234.206336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6234.206336][ T10] ___sys_sendmsg+0xee/0x170 [ 6234.206336][ T10] __sys_sendmsg+0xcd/0x170 [ 6234.206336][ T10] do_syscall_64+0xc6/0x1e0 [ 6234.206336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6234.206336][ T10] [ 6234.208540][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6234.208540][ T10] netdev_get_by_index+0x5e/0x80 [ 6234.208540][ T10] fib6_nh_init+0x3d8/0x1580 [ 6234.208540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6234.208540][ T10] ip6_route_add+0x1c/0x140 [ 6234.208540][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6234.208540][ T10] addrconf_add_dev+0xe2/0x170 [ 6234.208540][ T10] inet6_addr_add+0x12f/0xa40 [ 6234.208540][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6234.208540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6234.208540][ T10] netlink_rcv_skb+0x130/0x360 [ 6234.208540][ T10] netlink_unicast+0x449/0x710 [ 6234.208540][ T10] netlink_sendmsg+0x723/0xbe0 [ 6234.208540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6234.208540][ T10] ___sys_sendmsg+0xee/0x170 [ 6234.208540][ T10] __sys_sendmsg+0xcd/0x170 [ 6234.208540][ T10] do_syscall_64+0xc6/0x1e0 [ 6234.208540][ T10] [ 6234.210697][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6234.210697][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6234.210697][ T10] ipv6_find_idev+0x102/0x170 [ 6234.210697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6234.210697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6234.210697][ T10] netlink_rcv_skb+0x130/0x360 [ 6234.210697][ T10] netlink_unicast+0x449/0x710 [ 6234.210697][ T10] netlink_sendmsg+0x723/0xbe0 [ 6234.210697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6234.210697][ T10] ___sys_sendmsg+0xee/0x170 [ 6234.210697][ T10] __sys_sendmsg+0xcd/0x170 [ 6234.210697][ T10] do_syscall_64+0xc6/0x1e0 [ 6234.210697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6234.210697][ T10] [ 6234.212339][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6234.212339][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6234.212339][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6234.212339][ T10] ipv6_find_idev+0x102/0x170 [ 6234.212339][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6234.212339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6234.212339][ T10] netlink_rcv_skb+0x130/0x360 [ 6234.212339][ T10] netlink_unicast+0x449/0x710 [ 6234.212339][ T10] netlink_sendmsg+0x723/0xbe0 [ 6234.212339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6234.212339][ T10] ___sys_sendmsg+0xee/0x170 [ 6234.212339][ T10] __sys_sendmsg+0xcd/0x170 [ 6234.212339][ T10] do_syscall_64+0xc6/0x1e0 [ 6234.212339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6234.212339][ T10] [ 6234.214216][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6234.214471][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6234.214471][ T10] netdev_get_by_index+0x5e/0x80 [ 6234.214471][ T10] fib6_nh_init+0x3d8/0x1580 [ 6234.214471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6234.214471][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6234.214471][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6234.214471][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6234.214471][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6234.214471][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6234.214471][ T10] addrconf_dad_begin+0x310/0x670 [ 6234.214471][ T10] addrconf_dad_work+0x10b/0xab0 [ 6234.214471][ T10] process_one_work+0x84d/0x18a0 [ 6234.214471][ T10] worker_thread+0x587/0xd30 [ 6234.214471][ T10] kthread+0x28a/0x350 [ 6234.214471][ T10] ret_from_fork+0x31/0x70 [ 6234.214471][ T10] ret_from_fork_asm+0x1a/0x30 [ 6234.214471][ T10] [ 6234.216571][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6234.216571][ T10] netdev_get_by_index+0x5e/0x80 [ 6234.216571][ T10] fib6_nh_init+0x3d8/0x1580 [ 6234.216571][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6234.216571][ T10] ip6_route_add+0x1c/0x140 [ 6234.216571][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6234.216571][ T10] inet6_addr_add+0x4f8/0xa40 [ 6234.216571][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6234.216571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6234.216571][ T10] netlink_rcv_skb+0x130/0x360 [ 6234.216571][ T10] netlink_unicast+0x449/0x710 [ 6234.216571][ T10] netlink_sendmsg+0x723/0xbe0 [ 6234.216571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6234.216571][ T10] ___sys_sendmsg+0xee/0x170 [ 6234.216571][ T10] __sys_sendmsg+0xcd/0x170 [ 6234.216571][ T10] do_syscall_64+0xc6/0x1e0 [ 6234.216571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6234.216571][ T10] [ 6234.218762][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6234.218762][ T10] netdev_get_by_index+0x5e/0x80 [ 6234.218762][ T10] fib6_nh_init+0x3d8/0x1580 [ 6234.218762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6234.218762][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6234.218762][ T10] ipv6_add_addr+0x411/0x2000 [ 6234.218762][ T10] inet6_addr_add+0x30e/0xa40 [ 6234.218762][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6234.218762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6234.218762][ T10] netlink_rcv_skb+0x130/0x360 [ 6234.218762][ T10] netlink_unicast+0x449/0x710 [ 6234.218762][ T10] netlink_sendmsg+0x723/0xbe0 [ 6234.218762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6234.218762][ T10] ___sys_sendmsg+0xee/0x170 [ 6234.218762][ T10] __sys_sendmsg+0xcd/0x170 [ 6234.218762][ T10] do_syscall_64+0xc6/0x1e0 [ 6234.218762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6234.218762][ T10] [ 6234.220948][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6234.220948][ T10] netdev_get_by_index+0x5e/0x80 [ 6234.220948][ T10] fib6_nh_init+0x3d8/0x1580 [ 6234.220948][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6234.220948][ T10] ip6_route_add+0x1c/0x140 [ 6234.220948][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6234.220948][ T10] addrconf_add_dev+0xe2/0x170 [ 6234.220948][ T10] inet6_addr_add+0x12f/0xa40 [ 6234.220948][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6234.220948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6234.220948][ T10] netlink_rcv_skb+0x130/0x360 [ 6234.220948][ T10] netlink_unicast+0x449/0x710 [ 6234.220948][ T10] netlink_sendmsg+0x723/0xbe0 [ 6234.220948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6234.220948][ T10] ___sys_sendmsg+0xee/0x170 [ 6234.220948][ T10] __sys_sendmsg+0xcd/0x170 [ 6234.220948][ T10] do_syscall_64+0xc6/0x1e0 [ 6234.220948][ T10] [ 6234.223163][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6234.223163][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6234.223163][ T10] ipv6_find_idev+0x102/0x170 [ 6234.223163][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6234.223163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6234.223163][ T10] netlink_rcv_skb+0x130/0x360 [ 6234.223163][ T10] netlink_unicast+0x449/0x710 [ 6234.223163][ T10] netlink_sendmsg+0x723/0xbe0 [ 6234.223163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6234.223163][ T10] ___sys_sendmsg+0xee/0x170 [ 6234.223163][ T10] __sys_sendmsg+0xcd/0x170 [ 6234.223163][ T10] do_syscall_64+0xc6/0x1e0 [ 6234.223163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6234.223163][ T10] [ 6234.224835][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6234.224835][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6234.224835][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6234.224835][ T10] ipv6_find_idev+0x102/0x170 [ 6234.224835][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6234.224835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6234.224835][ T10] netlink_rcv_skb+0x130/0x360 [ 6234.224835][ T10] netlink_unicast+0x449/0x710 [ 6234.224835][ T10] netlink_sendmsg+0x723/0xbe0 [ 6234.224835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6234.224835][ T10] ___sys_sendmsg+0xee/0x170 [ 6234.224835][ T10] __sys_sendmsg+0xcd/0x170 [ 6234.224835][ T10] do_syscall_64+0xc6/0x1e0 [ 6234.224835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6234.224835][ T10] [ 6242.513146][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6242.513699][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6242.513699][ T1167] dst_init+0x84/0x4a0 [ 6242.513699][ T1167] dst_alloc+0x97/0x150 [ 6242.513699][ T1167] ip6_dst_alloc+0x23/0x90 [ 6242.513699][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6242.513699][ T1167] ip6_pol_route+0x56f/0x840 [ 6242.513699][ T1167] fib6_rule_lookup+0x334/0x630 [ 6242.513699][ T1167] ip6_route_output_flags+0x259/0x480 [ 6242.513699][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6242.513699][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6242.513699][ T1167] netlink_rcv_skb+0x130/0x360 [ 6242.513699][ T1167] netlink_unicast+0x449/0x710 [ 6242.513699][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6242.513699][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6242.513699][ T1167] ___sys_sendmsg+0xee/0x170 [ 6242.513699][ T1167] __sys_sendmsg+0xcd/0x170 [ 6242.513699][ T1167] do_syscall_64+0xc6/0x1e0 [ 6242.513699][ T1167] [ 6242.517306][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6242.517306][ T1167] netdev_get_by_index+0x5e/0x80 [ 6242.517306][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6242.517306][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6242.517306][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6242.517306][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6242.517306][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6242.517306][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6242.517306][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6242.517306][ T1167] addrconf_dad_begin+0x310/0x670 [ 6242.517306][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6242.517306][ T1167] process_one_work+0x84d/0x18a0 [ 6242.517306][ T1167] worker_thread+0x587/0xd30 [ 6242.517306][ T1167] kthread+0x28a/0x350 [ 6242.517306][ T1167] ret_from_fork+0x31/0x70 [ 6242.517306][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6242.517306][ T1167] [ 6242.520826][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6242.520826][ T1167] netdev_get_by_index+0x5e/0x80 [ 6242.520826][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6242.520826][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6242.520826][ T1167] ip6_route_add+0x1c/0x140 [ 6242.520826][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6242.520826][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6242.520826][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6242.520826][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6242.520826][ T1167] netlink_rcv_skb+0x130/0x360 [ 6242.520826][ T1167] netlink_unicast+0x449/0x710 [ 6242.520826][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6242.520826][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6242.520826][ T1167] ___sys_sendmsg+0xee/0x170 [ 6242.520826][ T1167] __sys_sendmsg+0xcd/0x170 [ 6242.520826][ T1167] do_syscall_64+0xc6/0x1e0 [ 6242.520826][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6242.520826][ T1167] [ 6242.524527][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6242.524527][ T1167] netdev_get_by_index+0x5e/0x80 [ 6242.524527][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6242.524527][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6242.524527][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6242.524527][ T1167] ipv6_add_addr+0x411/0x2000 [ 6242.524527][ T1167] inet6_addr_add+0x30e/0xa40 [ 6242.524527][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6242.524527][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6242.524527][ T1167] netlink_rcv_skb+0x130/0x360 [ 6242.524527][ T1167] netlink_unicast+0x449/0x710 [ 6242.524527][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6242.524527][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6242.524527][ T1167] ___sys_sendmsg+0xee/0x170 [ 6242.524527][ T1167] __sys_sendmsg+0xcd/0x170 [ 6242.524527][ T1167] do_syscall_64+0xc6/0x1e0 [ 6242.524527][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6242.524527][ T1167] [ 6242.528210][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6242.528210][ T1167] netdev_get_by_index+0x5e/0x80 [ 6242.528210][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6242.528210][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6242.528210][ T1167] ip6_route_add+0x1c/0x140 [ 6242.528210][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6242.528210][ T1167] addrconf_add_dev+0xe2/0x170 [ 6242.528210][ T1167] inet6_addr_add+0x12f/0xa40 [ 6242.528210][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6242.528210][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6242.528210][ T1167] netlink_rcv_skb+0x130/0x360 [ 6242.528210][ T1167] netlink_unicast+0x449/0x710 [ 6242.528210][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6242.528210][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6242.528210][ T1167] ___sys_sendmsg+0xee/0x170 [ 6242.528210][ T1167] __sys_sendmsg+0xcd/0x170 [ 6242.528210][ T1167] do_syscall_64+0xc6/0x1e0 [ 6242.528210][ T1167] [ 6242.531858][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6242.531858][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6242.531858][ T1167] ipv6_find_idev+0x102/0x170 [ 6242.531858][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6242.531858][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6242.531858][ T1167] netlink_rcv_skb+0x130/0x360 [ 6242.531858][ T1167] netlink_unicast+0x449/0x710 [ 6242.531858][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6242.531858][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6242.531858][ T1167] ___sys_sendmsg+0xee/0x170 [ 6242.531858][ T1167] __sys_sendmsg+0xcd/0x170 [ 6242.531858][ T1167] do_syscall_64+0xc6/0x1e0 [ 6242.531858][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6242.531858][ T1167] [ 6242.534687][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6242.534687][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6242.534687][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6242.534687][ T1167] ipv6_find_idev+0x102/0x170 [ 6242.534687][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6242.534687][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6242.534687][ T1167] netlink_rcv_skb+0x130/0x360 [ 6242.534687][ T1167] netlink_unicast+0x449/0x710 [ 6242.534687][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6242.534687][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6242.534687][ T1167] ___sys_sendmsg+0xee/0x170 [ 6242.534687][ T1167] __sys_sendmsg+0xcd/0x170 [ 6242.534687][ T1167] do_syscall_64+0xc6/0x1e0 [ 6242.534687][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6242.534687][ T1167] [ 6244.305116][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6244.305653][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6244.305653][ T10] netdev_get_by_index+0x5e/0x80 [ 6244.305653][ T10] fib6_nh_init+0x3d8/0x1580 [ 6244.305653][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6244.305653][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6244.305653][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6244.305653][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6244.305653][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6244.305653][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6244.305653][ T10] addrconf_dad_begin+0x310/0x670 [ 6244.305653][ T10] addrconf_dad_work+0x10b/0xab0 [ 6244.305653][ T10] process_one_work+0x84d/0x18a0 [ 6244.305653][ T10] worker_thread+0x587/0xd30 [ 6244.305653][ T10] kthread+0x28a/0x350 [ 6244.305653][ T10] ret_from_fork+0x31/0x70 [ 6244.305653][ T10] ret_from_fork_asm+0x1a/0x30 [ 6244.305653][ T10] [ 6244.308721][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6244.308721][ T10] netdev_get_by_index+0x5e/0x80 [ 6244.308721][ T10] fib6_nh_init+0x3d8/0x1580 [ 6244.308721][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6244.308721][ T10] ip6_route_add+0x1c/0x140 [ 6244.308721][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6244.308721][ T10] inet6_addr_add+0x4f8/0xa40 [ 6244.308721][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6244.308721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6244.308721][ T10] netlink_rcv_skb+0x130/0x360 [ 6244.308721][ T10] netlink_unicast+0x449/0x710 [ 6244.308721][ T10] netlink_sendmsg+0x723/0xbe0 [ 6244.308721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6244.308721][ T10] ___sys_sendmsg+0xee/0x170 [ 6244.308721][ T10] __sys_sendmsg+0xcd/0x170 [ 6244.308721][ T10] do_syscall_64+0xc6/0x1e0 [ 6244.308721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6244.308721][ T10] [ 6244.311915][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6244.311915][ T10] netdev_get_by_index+0x5e/0x80 [ 6244.311915][ T10] fib6_nh_init+0x3d8/0x1580 [ 6244.311915][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6244.311915][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6244.311915][ T10] ipv6_add_addr+0x411/0x2000 [ 6244.311915][ T10] inet6_addr_add+0x30e/0xa40 [ 6244.311915][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6244.311915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6244.311915][ T10] netlink_rcv_skb+0x130/0x360 [ 6244.311915][ T10] netlink_unicast+0x449/0x710 [ 6244.311915][ T10] netlink_sendmsg+0x723/0xbe0 [ 6244.311915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6244.311915][ T10] ___sys_sendmsg+0xee/0x170 [ 6244.311915][ T10] __sys_sendmsg+0xcd/0x170 [ 6244.311915][ T10] do_syscall_64+0xc6/0x1e0 [ 6244.311915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6244.311915][ T10] [ 6244.315090][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6244.315090][ T10] netdev_get_by_index+0x5e/0x80 [ 6244.315090][ T10] fib6_nh_init+0x3d8/0x1580 [ 6244.315090][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6244.315090][ T10] ip6_route_add+0x1c/0x140 [ 6244.315090][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6244.315090][ T10] addrconf_add_dev+0xe2/0x170 [ 6244.315090][ T10] inet6_addr_add+0x12f/0xa40 [ 6244.315090][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6244.315090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6244.315090][ T10] netlink_rcv_skb+0x130/0x360 [ 6244.315090][ T10] netlink_unicast+0x449/0x710 [ 6244.315090][ T10] netlink_sendmsg+0x723/0xbe0 [ 6244.315090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6244.315090][ T10] ___sys_sendmsg+0xee/0x170 [ 6244.315090][ T10] __sys_sendmsg+0xcd/0x170 [ 6244.315090][ T10] do_syscall_64+0xc6/0x1e0 [ 6244.315090][ T10] [ 6244.318221][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6244.318221][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6244.318221][ T10] ipv6_find_idev+0x102/0x170 [ 6244.318221][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6244.318221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6244.318221][ T10] netlink_rcv_skb+0x130/0x360 [ 6244.318221][ T10] netlink_unicast+0x449/0x710 [ 6244.318221][ T10] netlink_sendmsg+0x723/0xbe0 [ 6244.318221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6244.318221][ T10] ___sys_sendmsg+0xee/0x170 [ 6244.318221][ T10] __sys_sendmsg+0xcd/0x170 [ 6244.318221][ T10] do_syscall_64+0xc6/0x1e0 [ 6244.318221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6244.318221][ T10] [ 6244.320662][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6244.320662][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6244.320662][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6244.320662][ T10] ipv6_find_idev+0x102/0x170 [ 6244.320662][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6244.320662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6244.320662][ T10] netlink_rcv_skb+0x130/0x360 [ 6244.320662][ T10] netlink_unicast+0x449/0x710 [ 6244.320662][ T10] netlink_sendmsg+0x723/0xbe0 [ 6244.320662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6244.320662][ T10] ___sys_sendmsg+0xee/0x170 [ 6244.320662][ T10] __sys_sendmsg+0xcd/0x170 [ 6244.320662][ T10] do_syscall_64+0xc6/0x1e0 [ 6244.320662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6244.320662][ T10] [ 6244.323337][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6244.323718][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6244.323718][ T10] netdev_get_by_index+0x5e/0x80 [ 6244.323718][ T10] fib6_nh_init+0x3d8/0x1580 [ 6244.323718][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6244.323718][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6244.323718][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6244.323718][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6244.323718][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6244.323718][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6244.323718][ T10] addrconf_dad_begin+0x310/0x670 [ 6244.323718][ T10] addrconf_dad_work+0x10b/0xab0 [ 6244.323718][ T10] process_one_work+0x84d/0x18a0 [ 6244.323718][ T10] worker_thread+0x587/0xd30 [ 6244.323718][ T10] kthread+0x28a/0x350 [ 6244.323718][ T10] ret_from_fork+0x31/0x70 [ 6244.323718][ T10] ret_from_fork_asm+0x1a/0x30 [ 6244.323718][ T10] [ 6244.326736][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6244.326736][ T10] netdev_get_by_index+0x5e/0x80 [ 6244.326736][ T10] fib6_nh_init+0x3d8/0x1580 [ 6244.326736][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6244.326736][ T10] ip6_route_add+0x1c/0x140 [ 6244.326736][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6244.326736][ T10] inet6_addr_add+0x4f8/0xa40 [ 6244.326736][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6244.326736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6244.326736][ T10] netlink_rcv_skb+0x130/0x360 [ 6244.326736][ T10] netlink_unicast+0x449/0x710 [ 6244.326736][ T10] netlink_sendmsg+0x723/0xbe0 [ 6244.326736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6244.326736][ T10] ___sys_sendmsg+0xee/0x170 [ 6244.326736][ T10] __sys_sendmsg+0xcd/0x170 [ 6244.326736][ T10] do_syscall_64+0xc6/0x1e0 [ 6244.326736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6244.326736][ T10] [ 6244.329900][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6244.329900][ T10] netdev_get_by_index+0x5e/0x80 [ 6244.329900][ T10] fib6_nh_init+0x3d8/0x1580 [ 6244.329900][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6244.329900][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6244.329900][ T10] ipv6_add_addr+0x411/0x2000 [ 6244.329900][ T10] inet6_addr_add+0x30e/0xa40 [ 6244.329900][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6244.329900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6244.329900][ T10] netlink_rcv_skb+0x130/0x360 [ 6244.329900][ T10] netlink_unicast+0x449/0x710 [ 6244.329900][ T10] netlink_sendmsg+0x723/0xbe0 [ 6244.329900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6244.329900][ T10] ___sys_sendmsg+0xee/0x170 [ 6244.329900][ T10] __sys_sendmsg+0xcd/0x170 [ 6244.329900][ T10] do_syscall_64+0xc6/0x1e0 [ 6244.329900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6244.329900][ T10] [ 6244.333069][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6244.333069][ T10] netdev_get_by_index+0x5e/0x80 [ 6244.333069][ T10] fib6_nh_init+0x3d8/0x1580 [ 6244.333069][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6244.333069][ T10] ip6_route_add+0x1c/0x140 [ 6244.333069][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6244.333069][ T10] addrconf_add_dev+0xe2/0x170 [ 6244.333069][ T10] inet6_addr_add+0x12f/0xa40 [ 6244.333069][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6244.333069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6244.333069][ T10] netlink_rcv_skb+0x130/0x360 [ 6244.333069][ T10] netlink_unicast+0x449/0x710 [ 6244.333069][ T10] netlink_sendmsg+0x723/0xbe0 [ 6244.333069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6244.333069][ T10] ___sys_sendmsg+0xee/0x170 [ 6244.333069][ T10] __sys_sendmsg+0xcd/0x170 [ 6244.333069][ T10] do_syscall_64+0xc6/0x1e0 [ 6244.333069][ T10] [ 6244.336121][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6244.336121][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6244.336121][ T10] ipv6_find_idev+0x102/0x170 [ 6244.336121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6244.336121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6244.336121][ T10] netlink_rcv_skb+0x130/0x360 [ 6244.336121][ T10] netlink_unicast+0x449/0x710 [ 6244.336121][ T10] netlink_sendmsg+0x723/0xbe0 [ 6244.336121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6244.336121][ T10] ___sys_sendmsg+0xee/0x170 [ 6244.336121][ T10] __sys_sendmsg+0xcd/0x170 [ 6244.336121][ T10] do_syscall_64+0xc6/0x1e0 [ 6244.336121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6244.336121][ T10] [ 6244.337699][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6244.337699][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6244.337699][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6244.337699][ T10] ipv6_find_idev+0x102/0x170 [ 6244.337699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6244.337699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6244.337699][ T10] netlink_rcv_skb+0x130/0x360 [ 6244.337699][ T10] netlink_unicast+0x449/0x710 [ 6244.337699][ T10] netlink_sendmsg+0x723/0xbe0 [ 6244.337699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6244.337699][ T10] ___sys_sendmsg+0xee/0x170 [ 6244.337699][ T10] __sys_sendmsg+0xcd/0x170 [ 6244.337699][ T10] do_syscall_64+0xc6/0x1e0 [ 6244.337699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6244.337699][ T10] [ 6244.339505][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6244.339747][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6244.339747][ T10] netdev_get_by_index+0x5e/0x80 [ 6244.339747][ T10] fib6_nh_init+0x3d8/0x1580 [ 6244.339747][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6244.339747][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6244.339747][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6244.339747][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6244.339747][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6244.339747][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6244.339747][ T10] addrconf_dad_begin+0x310/0x670 [ 6244.339747][ T10] addrconf_dad_work+0x10b/0xab0 [ 6244.339747][ T10] process_one_work+0x84d/0x18a0 [ 6244.339747][ T10] worker_thread+0x587/0xd30 [ 6244.339747][ T10] kthread+0x28a/0x350 [ 6244.339747][ T10] ret_from_fork+0x31/0x70 [ 6244.339747][ T10] ret_from_fork_asm+0x1a/0x30 [ 6244.339747][ T10] [ 6244.341668][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6244.341668][ T10] netdev_get_by_index+0x5e/0x80 [ 6244.341668][ T10] fib6_nh_init+0x3d8/0x1580 [ 6244.341668][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6244.341668][ T10] ip6_route_add+0x1c/0x140 [ 6244.341668][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6244.341668][ T10] inet6_addr_add+0x4f8/0xa40 [ 6244.341668][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6244.341668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6244.341668][ T10] netlink_rcv_skb+0x130/0x360 [ 6244.341668][ T10] netlink_unicast+0x449/0x710 [ 6244.341668][ T10] netlink_sendmsg+0x723/0xbe0 [ 6244.341668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6244.341668][ T10] ___sys_sendmsg+0xee/0x170 [ 6244.341668][ T10] __sys_sendmsg+0xcd/0x170 [ 6244.341668][ T10] do_syscall_64+0xc6/0x1e0 [ 6244.341668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6244.341668][ T10] [ 6244.343852][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6244.343852][ T10] netdev_get_by_index+0x5e/0x80 [ 6244.343852][ T10] fib6_nh_init+0x3d8/0x1580 [ 6244.343852][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6244.343852][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6244.343852][ T10] ipv6_add_addr+0x411/0x2000 [ 6244.343852][ T10] inet6_addr_add+0x30e/0xa40 [ 6244.343852][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6244.343852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6244.343852][ T10] netlink_rcv_skb+0x130/0x360 [ 6244.343852][ T10] netlink_unicast+0x449/0x710 [ 6244.343852][ T10] netlink_sendmsg+0x723/0xbe0 [ 6244.343852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6244.343852][ T10] ___sys_sendmsg+0xee/0x170 [ 6244.343852][ T10] __sys_sendmsg+0xcd/0x170 [ 6244.343852][ T10] do_syscall_64+0xc6/0x1e0 [ 6244.343852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6244.343852][ T10] [ 6244.346090][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6244.346090][ T10] netdev_get_by_index+0x5e/0x80 [ 6244.346090][ T10] fib6_nh_init+0x3d8/0x1580 [ 6244.346090][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6244.346090][ T10] ip6_route_add+0x1c/0x140 [ 6244.346090][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6244.346090][ T10] addrconf_add_dev+0xe2/0x170 [ 6244.346090][ T10] inet6_addr_add+0x12f/0xa40 [ 6244.346090][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6244.346090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6244.346090][ T10] netlink_rcv_skb+0x130/0x360 [ 6244.346090][ T10] netlink_unicast+0x449/0x710 [ 6244.346090][ T10] netlink_sendmsg+0x723/0xbe0 [ 6244.346090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6244.346090][ T10] ___sys_sendmsg+0xee/0x170 [ 6244.346090][ T10] __sys_sendmsg+0xcd/0x170 [ 6244.346090][ T10] do_syscall_64+0xc6/0x1e0 [ 6244.346090][ T10] [ 6244.348305][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6244.348305][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6244.348305][ T10] ipv6_find_idev+0x102/0x170 [ 6244.348305][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6244.348305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6244.348305][ T10] netlink_rcv_skb+0x130/0x360 [ 6244.348305][ T10] netlink_unicast+0x449/0x710 [ 6244.348305][ T10] netlink_sendmsg+0x723/0xbe0 [ 6244.348305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6244.348305][ T10] ___sys_sendmsg+0xee/0x170 [ 6244.348305][ T10] __sys_sendmsg+0xcd/0x170 [ 6244.348305][ T10] do_syscall_64+0xc6/0x1e0 [ 6244.348305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6244.348305][ T10] [ 6244.350096][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6244.350096][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6244.350096][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6244.350096][ T10] ipv6_find_idev+0x102/0x170 [ 6244.350096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6244.350096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6244.350096][ T10] netlink_rcv_skb+0x130/0x360 [ 6244.350096][ T10] netlink_unicast+0x449/0x710 [ 6244.350096][ T10] netlink_sendmsg+0x723/0xbe0 [ 6244.350096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6244.350096][ T10] ___sys_sendmsg+0xee/0x170 [ 6244.350096][ T10] __sys_sendmsg+0xcd/0x170 [ 6244.350096][ T10] do_syscall_64+0xc6/0x1e0 [ 6244.350096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6244.350096][ T10] [ 6244.351975][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6244.352648][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6244.352648][ T10] netdev_get_by_index+0x5e/0x80 [ 6244.352648][ T10] fib6_nh_init+0x3d8/0x1580 [ 6244.352648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6244.352648][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6244.352648][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6244.352648][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6244.352648][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6244.352648][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6244.352648][ T10] addrconf_dad_begin+0x310/0x670 [ 6244.352648][ T10] addrconf_dad_work+0x10b/0xab0 [ 6244.352648][ T10] process_one_work+0x84d/0x18a0 [ 6244.352648][ T10] worker_thread+0x587/0xd30 [ 6244.352648][ T10] kthread+0x28a/0x350 [ 6244.352648][ T10] ret_from_fork+0x31/0x70 [ 6244.352648][ T10] ret_from_fork_asm+0x1a/0x30 [ 6244.352648][ T10] [ 6244.354562][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6244.354562][ T10] netdev_get_by_index+0x5e/0x80 [ 6244.354562][ T10] fib6_nh_init+0x3d8/0x1580 [ 6244.354562][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6244.354562][ T10] ip6_route_add+0x1c/0x140 [ 6244.354562][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6244.354562][ T10] inet6_addr_add+0x4f8/0xa40 [ 6244.354562][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6244.354562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6244.354562][ T10] netlink_rcv_skb+0x130/0x360 [ 6244.354562][ T10] netlink_unicast+0x449/0x710 [ 6244.354562][ T10] netlink_sendmsg+0x723/0xbe0 [ 6244.354562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6244.354562][ T10] ___sys_sendmsg+0xee/0x170 [ 6244.354562][ T10] __sys_sendmsg+0xcd/0x170 [ 6244.354562][ T10] do_syscall_64+0xc6/0x1e0 [ 6244.354562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6244.354562][ T10] [ 6244.356683][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6244.356683][ T10] netdev_get_by_index+0x5e/0x80 [ 6244.356683][ T10] fib6_nh_init+0x3d8/0x1580 [ 6244.356683][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6244.356683][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6244.356683][ T10] ipv6_add_addr+0x411/0x2000 [ 6244.356683][ T10] inet6_addr_add+0x30e/0xa40 [ 6244.356683][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6244.356683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6244.356683][ T10] netlink_rcv_skb+0x130/0x360 [ 6244.356683][ T10] netlink_unicast+0x449/0x710 [ 6244.356683][ T10] netlink_sendmsg+0x723/0xbe0 [ 6244.356683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6244.356683][ T10] ___sys_sendmsg+0xee/0x170 [ 6244.356683][ T10] __sys_sendmsg+0xcd/0x170 [ 6244.356683][ T10] do_syscall_64+0xc6/0x1e0 [ 6244.356683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6244.356683][ T10] [ 6244.358925][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6244.358925][ T10] netdev_get_by_index+0x5e/0x80 [ 6244.358925][ T10] fib6_nh_init+0x3d8/0x1580 [ 6244.358925][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6244.358925][ T10] ip6_route_add+0x1c/0x140 [ 6244.358925][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6244.358925][ T10] addrconf_add_dev+0xe2/0x170 [ 6244.358925][ T10] inet6_addr_add+0x12f/0xa40 [ 6244.358925][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6244.358925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6244.358925][ T10] netlink_rcv_skb+0x130/0x360 [ 6244.358925][ T10] netlink_unicast+0x449/0x710 [ 6244.358925][ T10] netlink_sendmsg+0x723/0xbe0 [ 6244.358925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6244.358925][ T10] ___sys_sendmsg+0xee/0x170 [ 6244.358925][ T10] __sys_sendmsg+0xcd/0x170 [ 6244.358925][ T10] do_syscall_64+0xc6/0x1e0 [ 6244.358925][ T10] [ 6244.361070][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6244.361070][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6244.361070][ T10] ipv6_find_idev+0x102/0x170 [ 6244.361070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6244.361070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6244.361070][ T10] netlink_rcv_skb+0x130/0x360 [ 6244.361070][ T10] netlink_unicast+0x449/0x710 [ 6244.361070][ T10] netlink_sendmsg+0x723/0xbe0 [ 6244.361070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6244.361070][ T10] ___sys_sendmsg+0xee/0x170 [ 6244.361070][ T10] __sys_sendmsg+0xcd/0x170 [ 6244.361070][ T10] do_syscall_64+0xc6/0x1e0 [ 6244.361070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6244.361070][ T10] [ 6244.362855][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6244.362855][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6244.362855][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6244.362855][ T10] ipv6_find_idev+0x102/0x170 [ 6244.362855][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6244.362855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6244.362855][ T10] netlink_rcv_skb+0x130/0x360 [ 6244.362855][ T10] netlink_unicast+0x449/0x710 [ 6244.362855][ T10] netlink_sendmsg+0x723/0xbe0 [ 6244.362855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6244.362855][ T10] ___sys_sendmsg+0xee/0x170 [ 6244.362855][ T10] __sys_sendmsg+0xcd/0x170 [ 6244.362855][ T10] do_syscall_64+0xc6/0x1e0 [ 6244.362855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6244.362855][ T10] [ 6252.785041][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6252.785624][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6252.785624][ T1167] dst_init+0x84/0x4a0 [ 6252.785624][ T1167] dst_alloc+0x97/0x150 [ 6252.785624][ T1167] ip6_dst_alloc+0x23/0x90 [ 6252.785624][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6252.785624][ T1167] ip6_pol_route+0x56f/0x840 [ 6252.785624][ T1167] fib6_rule_lookup+0x334/0x630 [ 6252.785624][ T1167] ip6_route_output_flags+0x259/0x480 [ 6252.785624][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6252.785624][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6252.785624][ T1167] netlink_rcv_skb+0x130/0x360 [ 6252.785624][ T1167] netlink_unicast+0x449/0x710 [ 6252.785624][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6252.785624][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6252.785624][ T1167] ___sys_sendmsg+0xee/0x170 [ 6252.785624][ T1167] __sys_sendmsg+0xcd/0x170 [ 6252.785624][ T1167] do_syscall_64+0xc6/0x1e0 [ 6252.785624][ T1167] [ 6252.789171][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6252.789171][ T1167] netdev_get_by_index+0x5e/0x80 [ 6252.789171][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6252.789171][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6252.789171][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6252.789171][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6252.789171][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6252.789171][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6252.789171][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6252.789171][ T1167] addrconf_dad_begin+0x310/0x670 [ 6252.789171][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6252.789171][ T1167] process_one_work+0x84d/0x18a0 [ 6252.789171][ T1167] worker_thread+0x587/0xd30 [ 6252.789171][ T1167] kthread+0x28a/0x350 [ 6252.789171][ T1167] ret_from_fork+0x31/0x70 [ 6252.789171][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6252.789171][ T1167] [ 6252.792672][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6252.792672][ T1167] netdev_get_by_index+0x5e/0x80 [ 6252.792672][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6252.792672][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6252.792672][ T1167] ip6_route_add+0x1c/0x140 [ 6252.792672][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6252.792672][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6252.792672][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6252.792672][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6252.792672][ T1167] netlink_rcv_skb+0x130/0x360 [ 6252.792672][ T1167] netlink_unicast+0x449/0x710 [ 6252.792672][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6252.792672][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6252.792672][ T1167] ___sys_sendmsg+0xee/0x170 [ 6252.792672][ T1167] __sys_sendmsg+0xcd/0x170 [ 6252.792672][ T1167] do_syscall_64+0xc6/0x1e0 [ 6252.792672][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6252.792672][ T1167] [ 6252.796340][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6252.796340][ T1167] netdev_get_by_index+0x5e/0x80 [ 6252.796340][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6252.796340][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6252.796340][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6252.796340][ T1167] ipv6_add_addr+0x411/0x2000 [ 6252.796340][ T1167] inet6_addr_add+0x30e/0xa40 [ 6252.796340][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6252.796340][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6252.796340][ T1167] netlink_rcv_skb+0x130/0x360 [ 6252.796340][ T1167] netlink_unicast+0x449/0x710 [ 6252.796340][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6252.796340][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6252.796340][ T1167] ___sys_sendmsg+0xee/0x170 [ 6252.796340][ T1167] __sys_sendmsg+0xcd/0x170 [ 6252.796340][ T1167] do_syscall_64+0xc6/0x1e0 [ 6252.796340][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6252.796340][ T1167] [ 6252.800028][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6252.800028][ T1167] netdev_get_by_index+0x5e/0x80 [ 6252.800028][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6252.800028][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6252.800028][ T1167] ip6_route_add+0x1c/0x140 [ 6252.800028][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6252.800028][ T1167] addrconf_add_dev+0xe2/0x170 [ 6252.800028][ T1167] inet6_addr_add+0x12f/0xa40 [ 6252.800028][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6252.800028][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6252.800028][ T1167] netlink_rcv_skb+0x130/0x360 [ 6252.800028][ T1167] netlink_unicast+0x449/0x710 [ 6252.800028][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6252.800028][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6252.800028][ T1167] ___sys_sendmsg+0xee/0x170 [ 6252.800028][ T1167] __sys_sendmsg+0xcd/0x170 [ 6252.800028][ T1167] do_syscall_64+0xc6/0x1e0 [ 6252.800028][ T1167] [ 6252.803660][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6252.803660][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6252.803660][ T1167] ipv6_find_idev+0x102/0x170 [ 6252.803660][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6252.803660][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6252.803660][ T1167] netlink_rcv_skb+0x130/0x360 [ 6252.803660][ T1167] netlink_unicast+0x449/0x710 [ 6252.803660][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6252.803660][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6252.803660][ T1167] ___sys_sendmsg+0xee/0x170 [ 6252.803660][ T1167] __sys_sendmsg+0xcd/0x170 [ 6252.803660][ T1167] do_syscall_64+0xc6/0x1e0 [ 6252.803660][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6252.803660][ T1167] [ 6252.806494][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6252.806494][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6252.806494][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6252.806494][ T1167] ipv6_find_idev+0x102/0x170 [ 6252.806494][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6252.806494][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6252.806494][ T1167] netlink_rcv_skb+0x130/0x360 [ 6252.806494][ T1167] netlink_unicast+0x449/0x710 [ 6252.806494][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6252.806494][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6252.806494][ T1167] ___sys_sendmsg+0xee/0x170 [ 6252.806494][ T1167] __sys_sendmsg+0xcd/0x170 [ 6252.806494][ T1167] do_syscall_64+0xc6/0x1e0 [ 6252.806494][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6252.806494][ T1167] [ 6254.601124][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6254.601545][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6254.601545][ T10] netdev_get_by_index+0x5e/0x80 [ 6254.601545][ T10] fib6_nh_init+0x3d8/0x1580 [ 6254.601545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6254.601545][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6254.601545][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6254.601545][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6254.601545][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6254.601545][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6254.601545][ T10] addrconf_dad_begin+0x310/0x670 [ 6254.601545][ T10] addrconf_dad_work+0x10b/0xab0 [ 6254.601545][ T10] process_one_work+0x84d/0x18a0 [ 6254.601545][ T10] worker_thread+0x587/0xd30 [ 6254.601545][ T10] kthread+0x28a/0x350 [ 6254.601545][ T10] ret_from_fork+0x31/0x70 [ 6254.601545][ T10] ret_from_fork_asm+0x1a/0x30 [ 6254.601545][ T10] [ 6254.603496][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6254.603496][ T10] netdev_get_by_index+0x5e/0x80 [ 6254.603496][ T10] fib6_nh_init+0x3d8/0x1580 [ 6254.603496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6254.603496][ T10] ip6_route_add+0x1c/0x140 [ 6254.603496][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6254.603496][ T10] inet6_addr_add+0x4f8/0xa40 [ 6254.603496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6254.603496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.603496][ T10] netlink_rcv_skb+0x130/0x360 [ 6254.603496][ T10] netlink_unicast+0x449/0x710 [ 6254.603496][ T10] netlink_sendmsg+0x723/0xbe0 [ 6254.603496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6254.603496][ T10] ___sys_sendmsg+0xee/0x170 [ 6254.603496][ T10] __sys_sendmsg+0xcd/0x170 [ 6254.603496][ T10] do_syscall_64+0xc6/0x1e0 [ 6254.603496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.603496][ T10] [ 6254.605511][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6254.605511][ T10] netdev_get_by_index+0x5e/0x80 [ 6254.605511][ T10] fib6_nh_init+0x3d8/0x1580 [ 6254.605511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6254.605511][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6254.605511][ T10] ipv6_add_addr+0x411/0x2000 [ 6254.605511][ T10] inet6_addr_add+0x30e/0xa40 [ 6254.605511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6254.605511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.605511][ T10] netlink_rcv_skb+0x130/0x360 [ 6254.605511][ T10] netlink_unicast+0x449/0x710 [ 6254.605511][ T10] netlink_sendmsg+0x723/0xbe0 [ 6254.605511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6254.605511][ T10] ___sys_sendmsg+0xee/0x170 [ 6254.605511][ T10] __sys_sendmsg+0xcd/0x170 [ 6254.605511][ T10] do_syscall_64+0xc6/0x1e0 [ 6254.605511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.605511][ T10] [ 6254.607518][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6254.607518][ T10] netdev_get_by_index+0x5e/0x80 [ 6254.607518][ T10] fib6_nh_init+0x3d8/0x1580 [ 6254.607518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6254.607518][ T10] ip6_route_add+0x1c/0x140 [ 6254.607518][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6254.607518][ T10] addrconf_add_dev+0xe2/0x170 [ 6254.607518][ T10] inet6_addr_add+0x12f/0xa40 [ 6254.607518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6254.607518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.607518][ T10] netlink_rcv_skb+0x130/0x360 [ 6254.607518][ T10] netlink_unicast+0x449/0x710 [ 6254.607518][ T10] netlink_sendmsg+0x723/0xbe0 [ 6254.607518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6254.607518][ T10] ___sys_sendmsg+0xee/0x170 [ 6254.607518][ T10] __sys_sendmsg+0xcd/0x170 [ 6254.607518][ T10] do_syscall_64+0xc6/0x1e0 [ 6254.607518][ T10] [ 6254.609527][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6254.609527][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6254.609527][ T10] ipv6_find_idev+0x102/0x170 [ 6254.609527][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6254.609527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.609527][ T10] netlink_rcv_skb+0x130/0x360 [ 6254.609527][ T10] netlink_unicast+0x449/0x710 [ 6254.609527][ T10] netlink_sendmsg+0x723/0xbe0 [ 6254.609527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6254.609527][ T10] ___sys_sendmsg+0xee/0x170 [ 6254.609527][ T10] __sys_sendmsg+0xcd/0x170 [ 6254.609527][ T10] do_syscall_64+0xc6/0x1e0 [ 6254.609527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.609527][ T10] [ 6254.611999][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6254.611999][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6254.611999][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6254.611999][ T10] ipv6_find_idev+0x102/0x170 [ 6254.611999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6254.611999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.611999][ T10] netlink_rcv_skb+0x130/0x360 [ 6254.611999][ T10] netlink_unicast+0x449/0x710 [ 6254.611999][ T10] netlink_sendmsg+0x723/0xbe0 [ 6254.611999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6254.611999][ T10] ___sys_sendmsg+0xee/0x170 [ 6254.611999][ T10] __sys_sendmsg+0xcd/0x170 [ 6254.611999][ T10] do_syscall_64+0xc6/0x1e0 [ 6254.611999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.611999][ T10] [ 6254.613718][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6254.613960][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6254.613960][ T10] netdev_get_by_index+0x5e/0x80 [ 6254.613960][ T10] fib6_nh_init+0x3d8/0x1580 [ 6254.613960][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6254.613960][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6254.613960][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6254.613960][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6254.613960][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6254.613960][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6254.613960][ T10] addrconf_dad_begin+0x310/0x670 [ 6254.613960][ T10] addrconf_dad_work+0x10b/0xab0 [ 6254.613960][ T10] process_one_work+0x84d/0x18a0 [ 6254.613960][ T10] worker_thread+0x587/0xd30 [ 6254.613960][ T10] kthread+0x28a/0x350 [ 6254.613960][ T10] ret_from_fork+0x31/0x70 [ 6254.613960][ T10] ret_from_fork_asm+0x1a/0x30 [ 6254.613960][ T10] [ 6254.615886][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6254.615886][ T10] netdev_get_by_index+0x5e/0x80 [ 6254.615886][ T10] fib6_nh_init+0x3d8/0x1580 [ 6254.615886][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6254.615886][ T10] ip6_route_add+0x1c/0x140 [ 6254.615886][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6254.615886][ T10] inet6_addr_add+0x4f8/0xa40 [ 6254.615886][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6254.615886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.615886][ T10] netlink_rcv_skb+0x130/0x360 [ 6254.615886][ T10] netlink_unicast+0x449/0x710 [ 6254.615886][ T10] netlink_sendmsg+0x723/0xbe0 [ 6254.615886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6254.615886][ T10] ___sys_sendmsg+0xee/0x170 [ 6254.615886][ T10] __sys_sendmsg+0xcd/0x170 [ 6254.615886][ T10] do_syscall_64+0xc6/0x1e0 [ 6254.615886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.615886][ T10] [ 6254.617922][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6254.617922][ T10] netdev_get_by_index+0x5e/0x80 [ 6254.617922][ T10] fib6_nh_init+0x3d8/0x1580 [ 6254.617922][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6254.617922][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6254.617922][ T10] ipv6_add_addr+0x411/0x2000 [ 6254.617922][ T10] inet6_addr_add+0x30e/0xa40 [ 6254.617922][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6254.617922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.617922][ T10] netlink_rcv_skb+0x130/0x360 [ 6254.617922][ T10] netlink_unicast+0x449/0x710 [ 6254.617922][ T10] netlink_sendmsg+0x723/0xbe0 [ 6254.617922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6254.617922][ T10] ___sys_sendmsg+0xee/0x170 [ 6254.617922][ T10] __sys_sendmsg+0xcd/0x170 [ 6254.617922][ T10] do_syscall_64+0xc6/0x1e0 [ 6254.617922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.617922][ T10] [ 6254.619982][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6254.619982][ T10] netdev_get_by_index+0x5e/0x80 [ 6254.619982][ T10] fib6_nh_init+0x3d8/0x1580 [ 6254.619982][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6254.619982][ T10] ip6_route_add+0x1c/0x140 [ 6254.619982][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6254.619982][ T10] addrconf_add_dev+0xe2/0x170 [ 6254.619982][ T10] inet6_addr_add+0x12f/0xa40 [ 6254.619982][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6254.619982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.619982][ T10] netlink_rcv_skb+0x130/0x360 [ 6254.619982][ T10] netlink_unicast+0x449/0x710 [ 6254.619982][ T10] netlink_sendmsg+0x723/0xbe0 [ 6254.619982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6254.619982][ T10] ___sys_sendmsg+0xee/0x170 [ 6254.619982][ T10] __sys_sendmsg+0xcd/0x170 [ 6254.619982][ T10] do_syscall_64+0xc6/0x1e0 [ 6254.619982][ T10] [ 6254.621956][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6254.621956][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6254.621956][ T10] ipv6_find_idev+0x102/0x170 [ 6254.621956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6254.621956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.621956][ T10] netlink_rcv_skb+0x130/0x360 [ 6254.621956][ T10] netlink_unicast+0x449/0x710 [ 6254.621956][ T10] netlink_sendmsg+0x723/0xbe0 [ 6254.621956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6254.621956][ T10] ___sys_sendmsg+0xee/0x170 [ 6254.621956][ T10] __sys_sendmsg+0xcd/0x170 [ 6254.621956][ T10] do_syscall_64+0xc6/0x1e0 [ 6254.621956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.621956][ T10] [ 6254.623501][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6254.623501][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6254.623501][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6254.623501][ T10] ipv6_find_idev+0x102/0x170 [ 6254.623501][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6254.623501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.623501][ T10] netlink_rcv_skb+0x130/0x360 [ 6254.623501][ T10] netlink_unicast+0x449/0x710 [ 6254.623501][ T10] netlink_sendmsg+0x723/0xbe0 [ 6254.623501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6254.623501][ T10] ___sys_sendmsg+0xee/0x170 [ 6254.623501][ T10] __sys_sendmsg+0xcd/0x170 [ 6254.623501][ T10] do_syscall_64+0xc6/0x1e0 [ 6254.623501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.623501][ T10] [ 6254.625199][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6254.625452][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6254.625452][ T10] netdev_get_by_index+0x5e/0x80 [ 6254.625452][ T10] fib6_nh_init+0x3d8/0x1580 [ 6254.625452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6254.625452][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6254.625452][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6254.625452][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6254.625452][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6254.625452][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6254.625452][ T10] addrconf_dad_begin+0x310/0x670 [ 6254.625452][ T10] addrconf_dad_work+0x10b/0xab0 [ 6254.625452][ T10] process_one_work+0x84d/0x18a0 [ 6254.625452][ T10] worker_thread+0x587/0xd30 [ 6254.625452][ T10] kthread+0x28a/0x350 [ 6254.625452][ T10] ret_from_fork+0x31/0x70 [ 6254.625452][ T10] ret_from_fork_asm+0x1a/0x30 [ 6254.625452][ T10] [ 6254.627368][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6254.627368][ T10] netdev_get_by_index+0x5e/0x80 [ 6254.627368][ T10] fib6_nh_init+0x3d8/0x1580 [ 6254.627368][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6254.627368][ T10] ip6_route_add+0x1c/0x140 [ 6254.627368][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6254.627368][ T10] inet6_addr_add+0x4f8/0xa40 [ 6254.627368][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6254.627368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.627368][ T10] netlink_rcv_skb+0x130/0x360 [ 6254.627368][ T10] netlink_unicast+0x449/0x710 [ 6254.627368][ T10] netlink_sendmsg+0x723/0xbe0 [ 6254.627368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6254.627368][ T10] ___sys_sendmsg+0xee/0x170 [ 6254.627368][ T10] __sys_sendmsg+0xcd/0x170 [ 6254.627368][ T10] do_syscall_64+0xc6/0x1e0 [ 6254.627368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.627368][ T10] [ 6254.629563][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6254.629563][ T10] netdev_get_by_index+0x5e/0x80 [ 6254.629563][ T10] fib6_nh_init+0x3d8/0x1580 [ 6254.629563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6254.629563][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6254.629563][ T10] ipv6_add_addr+0x411/0x2000 [ 6254.629563][ T10] inet6_addr_add+0x30e/0xa40 [ 6254.629563][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6254.629563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.629563][ T10] netlink_rcv_skb+0x130/0x360 [ 6254.629563][ T10] netlink_unicast+0x449/0x710 [ 6254.629563][ T10] netlink_sendmsg+0x723/0xbe0 [ 6254.629563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6254.629563][ T10] ___sys_sendmsg+0xee/0x170 [ 6254.629563][ T10] __sys_sendmsg+0xcd/0x170 [ 6254.629563][ T10] do_syscall_64+0xc6/0x1e0 [ 6254.629563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.629563][ T10] [ 6254.631807][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6254.631807][ T10] netdev_get_by_index+0x5e/0x80 [ 6254.631807][ T10] fib6_nh_init+0x3d8/0x1580 [ 6254.631807][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6254.631807][ T10] ip6_route_add+0x1c/0x140 [ 6254.631807][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6254.631807][ T10] addrconf_add_dev+0xe2/0x170 [ 6254.631807][ T10] inet6_addr_add+0x12f/0xa40 [ 6254.631807][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6254.631807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.631807][ T10] netlink_rcv_skb+0x130/0x360 [ 6254.631807][ T10] netlink_unicast+0x449/0x710 [ 6254.631807][ T10] netlink_sendmsg+0x723/0xbe0 [ 6254.631807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6254.631807][ T10] ___sys_sendmsg+0xee/0x170 [ 6254.631807][ T10] __sys_sendmsg+0xcd/0x170 [ 6254.631807][ T10] do_syscall_64+0xc6/0x1e0 [ 6254.631807][ T10] [ 6254.634076][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6254.634076][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6254.634076][ T10] ipv6_find_idev+0x102/0x170 [ 6254.634076][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6254.634076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.634076][ T10] netlink_rcv_skb+0x130/0x360 [ 6254.634076][ T10] netlink_unicast+0x449/0x710 [ 6254.634076][ T10] netlink_sendmsg+0x723/0xbe0 [ 6254.634076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6254.634076][ T10] ___sys_sendmsg+0xee/0x170 [ 6254.634076][ T10] __sys_sendmsg+0xcd/0x170 [ 6254.634076][ T10] do_syscall_64+0xc6/0x1e0 [ 6254.634076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.634076][ T10] [ 6254.635806][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6254.635806][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6254.635806][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6254.635806][ T10] ipv6_find_idev+0x102/0x170 [ 6254.635806][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6254.635806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.635806][ T10] netlink_rcv_skb+0x130/0x360 [ 6254.635806][ T10] netlink_unicast+0x449/0x710 [ 6254.635806][ T10] netlink_sendmsg+0x723/0xbe0 [ 6254.635806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6254.635806][ T10] ___sys_sendmsg+0xee/0x170 [ 6254.635806][ T10] __sys_sendmsg+0xcd/0x170 [ 6254.635806][ T10] do_syscall_64+0xc6/0x1e0 [ 6254.635806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.635806][ T10] [ 6254.638054][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6254.638292][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6254.638292][ T10] netdev_get_by_index+0x5e/0x80 [ 6254.638292][ T10] fib6_nh_init+0x3d8/0x1580 [ 6254.638292][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6254.638292][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6254.638292][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6254.638292][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6254.638292][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6254.638292][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6254.638292][ T10] addrconf_dad_begin+0x310/0x670 [ 6254.638292][ T10] addrconf_dad_work+0x10b/0xab0 [ 6254.638292][ T10] process_one_work+0x84d/0x18a0 [ 6254.638292][ T10] worker_thread+0x587/0xd30 [ 6254.638292][ T10] kthread+0x28a/0x350 [ 6254.638292][ T10] ret_from_fork+0x31/0x70 [ 6254.638292][ T10] ret_from_fork_asm+0x1a/0x30 [ 6254.638292][ T10] [ 6254.640458][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6254.640458][ T10] netdev_get_by_index+0x5e/0x80 [ 6254.640458][ T10] fib6_nh_init+0x3d8/0x1580 [ 6254.640458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6254.640458][ T10] ip6_route_add+0x1c/0x140 [ 6254.640458][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6254.640458][ T10] inet6_addr_add+0x4f8/0xa40 [ 6254.640458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6254.640458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.640458][ T10] netlink_rcv_skb+0x130/0x360 [ 6254.640458][ T10] netlink_unicast+0x449/0x710 [ 6254.640458][ T10] netlink_sendmsg+0x723/0xbe0 [ 6254.640458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6254.640458][ T10] ___sys_sendmsg+0xee/0x170 [ 6254.640458][ T10] __sys_sendmsg+0xcd/0x170 [ 6254.640458][ T10] do_syscall_64+0xc6/0x1e0 [ 6254.640458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.640458][ T10] [ 6254.642708][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6254.642708][ T10] netdev_get_by_index+0x5e/0x80 [ 6254.642708][ T10] fib6_nh_init+0x3d8/0x1580 [ 6254.642708][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6254.642708][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6254.642708][ T10] ipv6_add_addr+0x411/0x2000 [ 6254.642708][ T10] inet6_addr_add+0x30e/0xa40 [ 6254.642708][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6254.642708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.642708][ T10] netlink_rcv_skb+0x130/0x360 [ 6254.642708][ T10] netlink_unicast+0x449/0x710 [ 6254.642708][ T10] netlink_sendmsg+0x723/0xbe0 [ 6254.642708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6254.642708][ T10] ___sys_sendmsg+0xee/0x170 [ 6254.642708][ T10] __sys_sendmsg+0xcd/0x170 [ 6254.642708][ T10] do_syscall_64+0xc6/0x1e0 [ 6254.642708][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.642708][ T10] [ 6254.645368][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6254.645368][ T10] netdev_get_by_index+0x5e/0x80 [ 6254.645368][ T10] fib6_nh_init+0x3d8/0x1580 [ 6254.645368][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6254.645368][ T10] ip6_route_add+0x1c/0x140 [ 6254.645368][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6254.645368][ T10] addrconf_add_dev+0xe2/0x170 [ 6254.645368][ T10] inet6_addr_add+0x12f/0xa40 [ 6254.645368][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6254.645368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.645368][ T10] netlink_rcv_skb+0x130/0x360 [ 6254.645368][ T10] netlink_unicast+0x449/0x710 [ 6254.645368][ T10] netlink_sendmsg+0x723/0xbe0 [ 6254.645368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6254.645368][ T10] ___sys_sendmsg+0xee/0x170 [ 6254.645368][ T10] __sys_sendmsg+0xcd/0x170 [ 6254.645368][ T10] do_syscall_64+0xc6/0x1e0 [ 6254.645368][ T10] [ 6254.647514][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6254.647514][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6254.647514][ T10] ipv6_find_idev+0x102/0x170 [ 6254.647514][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6254.647514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.647514][ T10] netlink_rcv_skb+0x130/0x360 [ 6254.647514][ T10] netlink_unicast+0x449/0x710 [ 6254.647514][ T10] netlink_sendmsg+0x723/0xbe0 [ 6254.647514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6254.647514][ T10] ___sys_sendmsg+0xee/0x170 [ 6254.647514][ T10] __sys_sendmsg+0xcd/0x170 [ 6254.647514][ T10] do_syscall_64+0xc6/0x1e0 [ 6254.647514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.647514][ T10] [ 6254.649244][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6254.649244][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6254.649244][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6254.649244][ T10] ipv6_find_idev+0x102/0x170 [ 6254.649244][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6254.649244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6254.649244][ T10] netlink_rcv_skb+0x130/0x360 [ 6254.649244][ T10] netlink_unicast+0x449/0x710 [ 6254.649244][ T10] netlink_sendmsg+0x723/0xbe0 [ 6254.649244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6254.649244][ T10] ___sys_sendmsg+0xee/0x170 [ 6254.649244][ T10] __sys_sendmsg+0xcd/0x170 [ 6254.649244][ T10] do_syscall_64+0xc6/0x1e0 [ 6254.649244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6254.649244][ T10] [ 6262.857142][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6262.857559][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6262.857559][ T1167] dst_init+0x84/0x4a0 [ 6262.857559][ T1167] dst_alloc+0x97/0x150 [ 6262.857559][ T1167] ip6_dst_alloc+0x23/0x90 [ 6262.857559][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6262.857559][ T1167] ip6_pol_route+0x56f/0x840 [ 6262.857559][ T1167] fib6_rule_lookup+0x334/0x630 [ 6262.857559][ T1167] ip6_route_output_flags+0x259/0x480 [ 6262.857559][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6262.857559][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6262.857559][ T1167] netlink_rcv_skb+0x130/0x360 [ 6262.857559][ T1167] netlink_unicast+0x449/0x710 [ 6262.857559][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6262.857559][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6262.857559][ T1167] ___sys_sendmsg+0xee/0x170 [ 6262.857559][ T1167] __sys_sendmsg+0xcd/0x170 [ 6262.857559][ T1167] do_syscall_64+0xc6/0x1e0 [ 6262.857559][ T1167] [ 6262.859805][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6262.859805][ T1167] netdev_get_by_index+0x5e/0x80 [ 6262.859805][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6262.859805][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6262.859805][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6262.859805][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6262.859805][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6262.859805][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6262.859805][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6262.859805][ T1167] addrconf_dad_begin+0x310/0x670 [ 6262.859805][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6262.859805][ T1167] process_one_work+0x84d/0x18a0 [ 6262.859805][ T1167] worker_thread+0x587/0xd30 [ 6262.859805][ T1167] kthread+0x28a/0x350 [ 6262.859805][ T1167] ret_from_fork+0x31/0x70 [ 6262.859805][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6262.859805][ T1167] [ 6262.861939][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6262.861939][ T1167] netdev_get_by_index+0x5e/0x80 [ 6262.861939][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6262.861939][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6262.861939][ T1167] ip6_route_add+0x1c/0x140 [ 6262.861939][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6262.861939][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6262.861939][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6262.861939][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6262.861939][ T1167] netlink_rcv_skb+0x130/0x360 [ 6262.861939][ T1167] netlink_unicast+0x449/0x710 [ 6262.861939][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6262.861939][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6262.861939][ T1167] ___sys_sendmsg+0xee/0x170 [ 6262.861939][ T1167] __sys_sendmsg+0xcd/0x170 [ 6262.861939][ T1167] do_syscall_64+0xc6/0x1e0 [ 6262.861939][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6262.861939][ T1167] [ 6262.864170][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6262.864170][ T1167] netdev_get_by_index+0x5e/0x80 [ 6262.864170][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6262.864170][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6262.864170][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6262.864170][ T1167] ipv6_add_addr+0x411/0x2000 [ 6262.864170][ T1167] inet6_addr_add+0x30e/0xa40 [ 6262.864170][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6262.864170][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6262.864170][ T1167] netlink_rcv_skb+0x130/0x360 [ 6262.864170][ T1167] netlink_unicast+0x449/0x710 [ 6262.864170][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6262.864170][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6262.864170][ T1167] ___sys_sendmsg+0xee/0x170 [ 6262.864170][ T1167] __sys_sendmsg+0xcd/0x170 [ 6262.864170][ T1167] do_syscall_64+0xc6/0x1e0 [ 6262.864170][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6262.864170][ T1167] [ 6262.866778][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6262.866778][ T1167] netdev_get_by_index+0x5e/0x80 [ 6262.866778][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6262.866778][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6262.866778][ T1167] ip6_route_add+0x1c/0x140 [ 6262.866778][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6262.866778][ T1167] addrconf_add_dev+0xe2/0x170 [ 6262.866778][ T1167] inet6_addr_add+0x12f/0xa40 [ 6262.866778][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6262.866778][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6262.866778][ T1167] netlink_rcv_skb+0x130/0x360 [ 6262.866778][ T1167] netlink_unicast+0x449/0x710 [ 6262.866778][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6262.866778][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6262.866778][ T1167] ___sys_sendmsg+0xee/0x170 [ 6262.866778][ T1167] __sys_sendmsg+0xcd/0x170 [ 6262.866778][ T1167] do_syscall_64+0xc6/0x1e0 [ 6262.866778][ T1167] [ 6262.869018][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6262.869018][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6262.869018][ T1167] ipv6_find_idev+0x102/0x170 [ 6262.869018][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6262.869018][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6262.869018][ T1167] netlink_rcv_skb+0x130/0x360 [ 6262.869018][ T1167] netlink_unicast+0x449/0x710 [ 6262.869018][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6262.869018][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6262.869018][ T1167] ___sys_sendmsg+0xee/0x170 [ 6262.869018][ T1167] __sys_sendmsg+0xcd/0x170 [ 6262.869018][ T1167] do_syscall_64+0xc6/0x1e0 [ 6262.869018][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6262.869018][ T1167] [ 6262.870739][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6262.870739][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6262.870739][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6262.870739][ T1167] ipv6_find_idev+0x102/0x170 [ 6262.870739][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6262.870739][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6262.870739][ T1167] netlink_rcv_skb+0x130/0x360 [ 6262.870739][ T1167] netlink_unicast+0x449/0x710 [ 6262.870739][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6262.870739][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6262.870739][ T1167] ___sys_sendmsg+0xee/0x170 [ 6262.870739][ T1167] __sys_sendmsg+0xcd/0x170 [ 6262.870739][ T1167] do_syscall_64+0xc6/0x1e0 [ 6262.870739][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6262.870739][ T1167] [ 6264.905128][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6264.905488][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6264.905488][ T10] netdev_get_by_index+0x5e/0x80 [ 6264.905488][ T10] fib6_nh_init+0x3d8/0x1580 [ 6264.905488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6264.905488][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6264.905488][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6264.905488][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6264.905488][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6264.905488][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6264.905488][ T10] addrconf_dad_begin+0x310/0x670 [ 6264.905488][ T10] addrconf_dad_work+0x10b/0xab0 [ 6264.905488][ T10] process_one_work+0x84d/0x18a0 [ 6264.905488][ T10] worker_thread+0x587/0xd30 [ 6264.905488][ T10] kthread+0x28a/0x350 [ 6264.905488][ T10] ret_from_fork+0x31/0x70 [ 6264.905488][ T10] ret_from_fork_asm+0x1a/0x30 [ 6264.905488][ T10] [ 6264.907442][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6264.907442][ T10] netdev_get_by_index+0x5e/0x80 [ 6264.907442][ T10] fib6_nh_init+0x3d8/0x1580 [ 6264.907442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6264.907442][ T10] ip6_route_add+0x1c/0x140 [ 6264.907442][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6264.907442][ T10] inet6_addr_add+0x4f8/0xa40 [ 6264.907442][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6264.907442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.907442][ T10] netlink_rcv_skb+0x130/0x360 [ 6264.907442][ T10] netlink_unicast+0x449/0x710 [ 6264.907442][ T10] netlink_sendmsg+0x723/0xbe0 [ 6264.907442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6264.907442][ T10] ___sys_sendmsg+0xee/0x170 [ 6264.907442][ T10] __sys_sendmsg+0xcd/0x170 [ 6264.907442][ T10] do_syscall_64+0xc6/0x1e0 [ 6264.907442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.907442][ T10] [ 6264.909476][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6264.909476][ T10] netdev_get_by_index+0x5e/0x80 [ 6264.909476][ T10] fib6_nh_init+0x3d8/0x1580 [ 6264.909476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6264.909476][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6264.909476][ T10] ipv6_add_addr+0x411/0x2000 [ 6264.909476][ T10] inet6_addr_add+0x30e/0xa40 [ 6264.909476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6264.909476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.909476][ T10] netlink_rcv_skb+0x130/0x360 [ 6264.909476][ T10] netlink_unicast+0x449/0x710 [ 6264.909476][ T10] netlink_sendmsg+0x723/0xbe0 [ 6264.909476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6264.909476][ T10] ___sys_sendmsg+0xee/0x170 [ 6264.909476][ T10] __sys_sendmsg+0xcd/0x170 [ 6264.909476][ T10] do_syscall_64+0xc6/0x1e0 [ 6264.909476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.909476][ T10] [ 6264.911484][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6264.911484][ T10] netdev_get_by_index+0x5e/0x80 [ 6264.911484][ T10] fib6_nh_init+0x3d8/0x1580 [ 6264.911484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6264.911484][ T10] ip6_route_add+0x1c/0x140 [ 6264.911484][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6264.911484][ T10] addrconf_add_dev+0xe2/0x170 [ 6264.911484][ T10] inet6_addr_add+0x12f/0xa40 [ 6264.911484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6264.911484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.911484][ T10] netlink_rcv_skb+0x130/0x360 [ 6264.911484][ T10] netlink_unicast+0x449/0x710 [ 6264.911484][ T10] netlink_sendmsg+0x723/0xbe0 [ 6264.911484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6264.911484][ T10] ___sys_sendmsg+0xee/0x170 [ 6264.911484][ T10] __sys_sendmsg+0xcd/0x170 [ 6264.911484][ T10] do_syscall_64+0xc6/0x1e0 [ 6264.911484][ T10] [ 6264.913455][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6264.913455][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6264.913455][ T10] ipv6_find_idev+0x102/0x170 [ 6264.913455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6264.913455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.913455][ T10] netlink_rcv_skb+0x130/0x360 [ 6264.913455][ T10] netlink_unicast+0x449/0x710 [ 6264.913455][ T10] netlink_sendmsg+0x723/0xbe0 [ 6264.913455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6264.913455][ T10] ___sys_sendmsg+0xee/0x170 [ 6264.913455][ T10] __sys_sendmsg+0xcd/0x170 [ 6264.913455][ T10] do_syscall_64+0xc6/0x1e0 [ 6264.913455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.913455][ T10] [ 6264.915003][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6264.915003][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6264.915003][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6264.915003][ T10] ipv6_find_idev+0x102/0x170 [ 6264.915003][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6264.915003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.915003][ T10] netlink_rcv_skb+0x130/0x360 [ 6264.915003][ T10] netlink_unicast+0x449/0x710 [ 6264.915003][ T10] netlink_sendmsg+0x723/0xbe0 [ 6264.915003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6264.915003][ T10] ___sys_sendmsg+0xee/0x170 [ 6264.915003][ T10] __sys_sendmsg+0xcd/0x170 [ 6264.915003][ T10] do_syscall_64+0xc6/0x1e0 [ 6264.915003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.915003][ T10] [ 6264.916717][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6264.917011][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6264.917011][ T10] netdev_get_by_index+0x5e/0x80 [ 6264.917011][ T10] fib6_nh_init+0x3d8/0x1580 [ 6264.917011][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6264.917011][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6264.917011][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6264.917011][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6264.917011][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6264.917011][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6264.917011][ T10] addrconf_dad_begin+0x310/0x670 [ 6264.917011][ T10] addrconf_dad_work+0x10b/0xab0 [ 6264.917011][ T10] process_one_work+0x84d/0x18a0 [ 6264.917011][ T10] worker_thread+0x587/0xd30 [ 6264.917011][ T10] kthread+0x28a/0x350 [ 6264.917011][ T10] ret_from_fork+0x31/0x70 [ 6264.917011][ T10] ret_from_fork_asm+0x1a/0x30 [ 6264.917011][ T10] [ 6264.918945][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6264.918945][ T10] netdev_get_by_index+0x5e/0x80 [ 6264.918945][ T10] fib6_nh_init+0x3d8/0x1580 [ 6264.918945][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6264.918945][ T10] ip6_route_add+0x1c/0x140 [ 6264.918945][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6264.918945][ T10] inet6_addr_add+0x4f8/0xa40 [ 6264.918945][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6264.918945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.918945][ T10] netlink_rcv_skb+0x130/0x360 [ 6264.918945][ T10] netlink_unicast+0x449/0x710 [ 6264.918945][ T10] netlink_sendmsg+0x723/0xbe0 [ 6264.918945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6264.918945][ T10] ___sys_sendmsg+0xee/0x170 [ 6264.918945][ T10] __sys_sendmsg+0xcd/0x170 [ 6264.918945][ T10] do_syscall_64+0xc6/0x1e0 [ 6264.918945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.918945][ T10] [ 6264.920953][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6264.920953][ T10] netdev_get_by_index+0x5e/0x80 [ 6264.920953][ T10] fib6_nh_init+0x3d8/0x1580 [ 6264.920953][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6264.920953][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6264.920953][ T10] ipv6_add_addr+0x411/0x2000 [ 6264.920953][ T10] inet6_addr_add+0x30e/0xa40 [ 6264.920953][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6264.920953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.920953][ T10] netlink_rcv_skb+0x130/0x360 [ 6264.920953][ T10] netlink_unicast+0x449/0x710 [ 6264.920953][ T10] netlink_sendmsg+0x723/0xbe0 [ 6264.920953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6264.920953][ T10] ___sys_sendmsg+0xee/0x170 [ 6264.920953][ T10] __sys_sendmsg+0xcd/0x170 [ 6264.920953][ T10] do_syscall_64+0xc6/0x1e0 [ 6264.920953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.920953][ T10] [ 6264.924106][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6264.924106][ T10] netdev_get_by_index+0x5e/0x80 [ 6264.924106][ T10] fib6_nh_init+0x3d8/0x1580 [ 6264.924106][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6264.924106][ T10] ip6_route_add+0x1c/0x140 [ 6264.924106][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6264.924106][ T10] addrconf_add_dev+0xe2/0x170 [ 6264.924106][ T10] inet6_addr_add+0x12f/0xa40 [ 6264.924106][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6264.924106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.924106][ T10] netlink_rcv_skb+0x130/0x360 [ 6264.924106][ T10] netlink_unicast+0x449/0x710 [ 6264.924106][ T10] netlink_sendmsg+0x723/0xbe0 [ 6264.924106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6264.924106][ T10] ___sys_sendmsg+0xee/0x170 [ 6264.924106][ T10] __sys_sendmsg+0xcd/0x170 [ 6264.924106][ T10] do_syscall_64+0xc6/0x1e0 [ 6264.924106][ T10] [ 6264.927225][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6264.927225][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6264.927225][ T10] ipv6_find_idev+0x102/0x170 [ 6264.927225][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6264.927225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.927225][ T10] netlink_rcv_skb+0x130/0x360 [ 6264.927225][ T10] netlink_unicast+0x449/0x710 [ 6264.927225][ T10] netlink_sendmsg+0x723/0xbe0 [ 6264.927225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6264.927225][ T10] ___sys_sendmsg+0xee/0x170 [ 6264.927225][ T10] __sys_sendmsg+0xcd/0x170 [ 6264.927225][ T10] do_syscall_64+0xc6/0x1e0 [ 6264.927225][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.927225][ T10] [ 6264.929673][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6264.929673][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6264.929673][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6264.929673][ T10] ipv6_find_idev+0x102/0x170 [ 6264.929673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6264.929673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.929673][ T10] netlink_rcv_skb+0x130/0x360 [ 6264.929673][ T10] netlink_unicast+0x449/0x710 [ 6264.929673][ T10] netlink_sendmsg+0x723/0xbe0 [ 6264.929673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6264.929673][ T10] ___sys_sendmsg+0xee/0x170 [ 6264.929673][ T10] __sys_sendmsg+0xcd/0x170 [ 6264.929673][ T10] do_syscall_64+0xc6/0x1e0 [ 6264.929673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.929673][ T10] [ 6264.932373][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6264.932753][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6264.932753][ T10] netdev_get_by_index+0x5e/0x80 [ 6264.932753][ T10] fib6_nh_init+0x3d8/0x1580 [ 6264.932753][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6264.932753][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6264.932753][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6264.932753][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6264.932753][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6264.932753][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6264.932753][ T10] addrconf_dad_begin+0x310/0x670 [ 6264.932753][ T10] addrconf_dad_work+0x10b/0xab0 [ 6264.932753][ T10] process_one_work+0x84d/0x18a0 [ 6264.932753][ T10] worker_thread+0x587/0xd30 [ 6264.932753][ T10] kthread+0x28a/0x350 [ 6264.932753][ T10] ret_from_fork+0x31/0x70 [ 6264.932753][ T10] ret_from_fork_asm+0x1a/0x30 [ 6264.932753][ T10] [ 6264.935801][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6264.935801][ T10] netdev_get_by_index+0x5e/0x80 [ 6264.935801][ T10] fib6_nh_init+0x3d8/0x1580 [ 6264.935801][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6264.935801][ T10] ip6_route_add+0x1c/0x140 [ 6264.935801][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6264.935801][ T10] inet6_addr_add+0x4f8/0xa40 [ 6264.935801][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6264.935801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.935801][ T10] netlink_rcv_skb+0x130/0x360 [ 6264.935801][ T10] netlink_unicast+0x449/0x710 [ 6264.935801][ T10] netlink_sendmsg+0x723/0xbe0 [ 6264.935801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6264.935801][ T10] ___sys_sendmsg+0xee/0x170 [ 6264.935801][ T10] __sys_sendmsg+0xcd/0x170 [ 6264.935801][ T10] do_syscall_64+0xc6/0x1e0 [ 6264.935801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.935801][ T10] [ 6264.939112][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6264.939112][ T10] netdev_get_by_index+0x5e/0x80 [ 6264.939112][ T10] fib6_nh_init+0x3d8/0x1580 [ 6264.939112][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6264.939112][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6264.939112][ T10] ipv6_add_addr+0x411/0x2000 [ 6264.939112][ T10] inet6_addr_add+0x30e/0xa40 [ 6264.939112][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6264.939112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.939112][ T10] netlink_rcv_skb+0x130/0x360 [ 6264.939112][ T10] netlink_unicast+0x449/0x710 [ 6264.939112][ T10] netlink_sendmsg+0x723/0xbe0 [ 6264.939112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6264.939112][ T10] ___sys_sendmsg+0xee/0x170 [ 6264.939112][ T10] __sys_sendmsg+0xcd/0x170 [ 6264.939112][ T10] do_syscall_64+0xc6/0x1e0 [ 6264.939112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.939112][ T10] [ 6264.942573][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6264.942573][ T10] netdev_get_by_index+0x5e/0x80 [ 6264.942573][ T10] fib6_nh_init+0x3d8/0x1580 [ 6264.942573][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6264.942573][ T10] ip6_route_add+0x1c/0x140 [ 6264.942573][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6264.942573][ T10] addrconf_add_dev+0xe2/0x170 [ 6264.942573][ T10] inet6_addr_add+0x12f/0xa40 [ 6264.942573][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6264.942573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.942573][ T10] netlink_rcv_skb+0x130/0x360 [ 6264.942573][ T10] netlink_unicast+0x449/0x710 [ 6264.942573][ T10] netlink_sendmsg+0x723/0xbe0 [ 6264.942573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6264.942573][ T10] ___sys_sendmsg+0xee/0x170 [ 6264.942573][ T10] __sys_sendmsg+0xcd/0x170 [ 6264.942573][ T10] do_syscall_64+0xc6/0x1e0 [ 6264.942573][ T10] [ 6264.945822][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6264.945822][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6264.945822][ T10] ipv6_find_idev+0x102/0x170 [ 6264.945822][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6264.945822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.945822][ T10] netlink_rcv_skb+0x130/0x360 [ 6264.945822][ T10] netlink_unicast+0x449/0x710 [ 6264.945822][ T10] netlink_sendmsg+0x723/0xbe0 [ 6264.945822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6264.945822][ T10] ___sys_sendmsg+0xee/0x170 [ 6264.945822][ T10] __sys_sendmsg+0xcd/0x170 [ 6264.945822][ T10] do_syscall_64+0xc6/0x1e0 [ 6264.945822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.945822][ T10] [ 6264.948396][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6264.948396][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6264.948396][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6264.948396][ T10] ipv6_find_idev+0x102/0x170 [ 6264.948396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6264.948396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.948396][ T10] netlink_rcv_skb+0x130/0x360 [ 6264.948396][ T10] netlink_unicast+0x449/0x710 [ 6264.948396][ T10] netlink_sendmsg+0x723/0xbe0 [ 6264.948396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6264.948396][ T10] ___sys_sendmsg+0xee/0x170 [ 6264.948396][ T10] __sys_sendmsg+0xcd/0x170 [ 6264.948396][ T10] do_syscall_64+0xc6/0x1e0 [ 6264.948396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.948396][ T10] [ 6264.951223][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6264.951599][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6264.951599][ T10] netdev_get_by_index+0x5e/0x80 [ 6264.951599][ T10] fib6_nh_init+0x3d8/0x1580 [ 6264.951599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6264.951599][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6264.951599][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6264.951599][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6264.951599][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6264.951599][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6264.951599][ T10] addrconf_dad_begin+0x310/0x670 [ 6264.951599][ T10] addrconf_dad_work+0x10b/0xab0 [ 6264.951599][ T10] process_one_work+0x84d/0x18a0 [ 6264.951599][ T10] worker_thread+0x587/0xd30 [ 6264.951599][ T10] kthread+0x28a/0x350 [ 6264.951599][ T10] ret_from_fork+0x31/0x70 [ 6264.951599][ T10] ret_from_fork_asm+0x1a/0x30 [ 6264.951599][ T10] [ 6264.954781][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6264.954781][ T10] netdev_get_by_index+0x5e/0x80 [ 6264.954781][ T10] fib6_nh_init+0x3d8/0x1580 [ 6264.954781][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6264.954781][ T10] ip6_route_add+0x1c/0x140 [ 6264.954781][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6264.954781][ T10] inet6_addr_add+0x4f8/0xa40 [ 6264.954781][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6264.954781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.954781][ T10] netlink_rcv_skb+0x130/0x360 [ 6264.954781][ T10] netlink_unicast+0x449/0x710 [ 6264.954781][ T10] netlink_sendmsg+0x723/0xbe0 [ 6264.954781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6264.954781][ T10] ___sys_sendmsg+0xee/0x170 [ 6264.954781][ T10] __sys_sendmsg+0xcd/0x170 [ 6264.954781][ T10] do_syscall_64+0xc6/0x1e0 [ 6264.954781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.954781][ T10] [ 6264.958189][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6264.958189][ T10] netdev_get_by_index+0x5e/0x80 [ 6264.958189][ T10] fib6_nh_init+0x3d8/0x1580 [ 6264.958189][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6264.958189][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6264.958189][ T10] ipv6_add_addr+0x411/0x2000 [ 6264.958189][ T10] inet6_addr_add+0x30e/0xa40 [ 6264.958189][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6264.958189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.958189][ T10] netlink_rcv_skb+0x130/0x360 [ 6264.958189][ T10] netlink_unicast+0x449/0x710 [ 6264.958189][ T10] netlink_sendmsg+0x723/0xbe0 [ 6264.958189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6264.958189][ T10] ___sys_sendmsg+0xee/0x170 [ 6264.958189][ T10] __sys_sendmsg+0xcd/0x170 [ 6264.958189][ T10] do_syscall_64+0xc6/0x1e0 [ 6264.958189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.958189][ T10] [ 6264.961495][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6264.961495][ T10] netdev_get_by_index+0x5e/0x80 [ 6264.961495][ T10] fib6_nh_init+0x3d8/0x1580 [ 6264.961495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6264.961495][ T10] ip6_route_add+0x1c/0x140 [ 6264.961495][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6264.961495][ T10] addrconf_add_dev+0xe2/0x170 [ 6264.961495][ T10] inet6_addr_add+0x12f/0xa40 [ 6264.961495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6264.961495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.961495][ T10] netlink_rcv_skb+0x130/0x360 [ 6264.961495][ T10] netlink_unicast+0x449/0x710 [ 6264.961495][ T10] netlink_sendmsg+0x723/0xbe0 [ 6264.961495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6264.961495][ T10] ___sys_sendmsg+0xee/0x170 [ 6264.961495][ T10] __sys_sendmsg+0xcd/0x170 [ 6264.961495][ T10] do_syscall_64+0xc6/0x1e0 [ 6264.961495][ T10] [ 6264.964710][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6264.964710][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6264.964710][ T10] ipv6_find_idev+0x102/0x170 [ 6264.964710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6264.964710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.964710][ T10] netlink_rcv_skb+0x130/0x360 [ 6264.964710][ T10] netlink_unicast+0x449/0x710 [ 6264.964710][ T10] netlink_sendmsg+0x723/0xbe0 [ 6264.964710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6264.964710][ T10] ___sys_sendmsg+0xee/0x170 [ 6264.964710][ T10] __sys_sendmsg+0xcd/0x170 [ 6264.964710][ T10] do_syscall_64+0xc6/0x1e0 [ 6264.964710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.964710][ T10] [ 6264.967251][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6264.967251][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6264.967251][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6264.967251][ T10] ipv6_find_idev+0x102/0x170 [ 6264.967251][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6264.967251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6264.967251][ T10] netlink_rcv_skb+0x130/0x360 [ 6264.967251][ T10] netlink_unicast+0x449/0x710 [ 6264.967251][ T10] netlink_sendmsg+0x723/0xbe0 [ 6264.967251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6264.967251][ T10] ___sys_sendmsg+0xee/0x170 [ 6264.967251][ T10] __sys_sendmsg+0xcd/0x170 [ 6264.967251][ T10] do_syscall_64+0xc6/0x1e0 [ 6264.967251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6264.967251][ T10] [ 6273.121108][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6273.121551][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6273.121551][ T1167] dst_init+0x84/0x4a0 [ 6273.121551][ T1167] dst_alloc+0x97/0x150 [ 6273.121551][ T1167] ip6_dst_alloc+0x23/0x90 [ 6273.121551][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6273.121551][ T1167] ip6_pol_route+0x56f/0x840 [ 6273.121551][ T1167] fib6_rule_lookup+0x334/0x630 [ 6273.121551][ T1167] ip6_route_output_flags+0x259/0x480 [ 6273.121551][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6273.121551][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6273.121551][ T1167] netlink_rcv_skb+0x130/0x360 [ 6273.121551][ T1167] netlink_unicast+0x449/0x710 [ 6273.121551][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6273.121551][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6273.121551][ T1167] ___sys_sendmsg+0xee/0x170 [ 6273.121551][ T1167] __sys_sendmsg+0xcd/0x170 [ 6273.121551][ T1167] do_syscall_64+0xc6/0x1e0 [ 6273.121551][ T1167] [ 6273.123733][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6273.123733][ T1167] netdev_get_by_index+0x5e/0x80 [ 6273.123733][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6273.123733][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6273.123733][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6273.123733][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6273.123733][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6273.123733][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6273.123733][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6273.123733][ T1167] addrconf_dad_begin+0x310/0x670 [ 6273.123733][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6273.123733][ T1167] process_one_work+0x84d/0x18a0 [ 6273.123733][ T1167] worker_thread+0x587/0xd30 [ 6273.123733][ T1167] kthread+0x28a/0x350 [ 6273.123733][ T1167] ret_from_fork+0x31/0x70 [ 6273.123733][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6273.123733][ T1167] [ 6273.125867][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6273.125867][ T1167] netdev_get_by_index+0x5e/0x80 [ 6273.125867][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6273.125867][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6273.125867][ T1167] ip6_route_add+0x1c/0x140 [ 6273.125867][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6273.125867][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6273.125867][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6273.125867][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6273.125867][ T1167] netlink_rcv_skb+0x130/0x360 [ 6273.125867][ T1167] netlink_unicast+0x449/0x710 [ 6273.125867][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6273.125867][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6273.125867][ T1167] ___sys_sendmsg+0xee/0x170 [ 6273.125867][ T1167] __sys_sendmsg+0xcd/0x170 [ 6273.125867][ T1167] do_syscall_64+0xc6/0x1e0 [ 6273.125867][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6273.125867][ T1167] [ 6273.128099][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6273.128099][ T1167] netdev_get_by_index+0x5e/0x80 [ 6273.128099][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6273.128099][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6273.128099][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6273.128099][ T1167] ipv6_add_addr+0x411/0x2000 [ 6273.128099][ T1167] inet6_addr_add+0x30e/0xa40 [ 6273.128099][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6273.128099][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6273.128099][ T1167] netlink_rcv_skb+0x130/0x360 [ 6273.128099][ T1167] netlink_unicast+0x449/0x710 [ 6273.128099][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6273.128099][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6273.128099][ T1167] ___sys_sendmsg+0xee/0x170 [ 6273.128099][ T1167] __sys_sendmsg+0xcd/0x170 [ 6273.128099][ T1167] do_syscall_64+0xc6/0x1e0 [ 6273.128099][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6273.128099][ T1167] [ 6273.130342][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6273.130342][ T1167] netdev_get_by_index+0x5e/0x80 [ 6273.130342][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6273.130342][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6273.130342][ T1167] ip6_route_add+0x1c/0x140 [ 6273.130342][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6273.130342][ T1167] addrconf_add_dev+0xe2/0x170 [ 6273.130342][ T1167] inet6_addr_add+0x12f/0xa40 [ 6273.130342][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6273.130342][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6273.130342][ T1167] netlink_rcv_skb+0x130/0x360 [ 6273.130342][ T1167] netlink_unicast+0x449/0x710 [ 6273.130342][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6273.130342][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6273.130342][ T1167] ___sys_sendmsg+0xee/0x170 [ 6273.130342][ T1167] __sys_sendmsg+0xcd/0x170 [ 6273.130342][ T1167] do_syscall_64+0xc6/0x1e0 [ 6273.130342][ T1167] [ 6273.132547][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6273.132547][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6273.132547][ T1167] ipv6_find_idev+0x102/0x170 [ 6273.132547][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6273.132547][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6273.132547][ T1167] netlink_rcv_skb+0x130/0x360 [ 6273.132547][ T1167] netlink_unicast+0x449/0x710 [ 6273.132547][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6273.132547][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6273.132547][ T1167] ___sys_sendmsg+0xee/0x170 [ 6273.132547][ T1167] __sys_sendmsg+0xcd/0x170 [ 6273.132547][ T1167] do_syscall_64+0xc6/0x1e0 [ 6273.132547][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6273.132547][ T1167] [ 6273.134280][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6273.134280][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6273.134280][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6273.134280][ T1167] ipv6_find_idev+0x102/0x170 [ 6273.134280][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6273.134280][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6273.134280][ T1167] netlink_rcv_skb+0x130/0x360 [ 6273.134280][ T1167] netlink_unicast+0x449/0x710 [ 6273.134280][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6273.134280][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6273.134280][ T1167] ___sys_sendmsg+0xee/0x170 [ 6273.134280][ T1167] __sys_sendmsg+0xcd/0x170 [ 6273.134280][ T1167] do_syscall_64+0xc6/0x1e0 [ 6273.134280][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6273.134280][ T1167] [ 6275.025117][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6275.025477][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6275.025477][ T10] netdev_get_by_index+0x5e/0x80 [ 6275.025477][ T10] fib6_nh_init+0x3d8/0x1580 [ 6275.025477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6275.025477][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6275.025477][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6275.025477][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6275.025477][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6275.025477][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6275.025477][ T10] addrconf_dad_begin+0x310/0x670 [ 6275.025477][ T10] addrconf_dad_work+0x10b/0xab0 [ 6275.025477][ T10] process_one_work+0x84d/0x18a0 [ 6275.025477][ T10] worker_thread+0x587/0xd30 [ 6275.025477][ T10] kthread+0x28a/0x350 [ 6275.025477][ T10] ret_from_fork+0x31/0x70 [ 6275.025477][ T10] ret_from_fork_asm+0x1a/0x30 [ 6275.025477][ T10] [ 6275.027421][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6275.027421][ T10] netdev_get_by_index+0x5e/0x80 [ 6275.027421][ T10] fib6_nh_init+0x3d8/0x1580 [ 6275.027421][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6275.027421][ T10] ip6_route_add+0x1c/0x140 [ 6275.027421][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6275.027421][ T10] inet6_addr_add+0x4f8/0xa40 [ 6275.027421][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6275.027421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6275.027421][ T10] netlink_rcv_skb+0x130/0x360 [ 6275.027421][ T10] netlink_unicast+0x449/0x710 [ 6275.027421][ T10] netlink_sendmsg+0x723/0xbe0 [ 6275.027421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6275.027421][ T10] ___sys_sendmsg+0xee/0x170 [ 6275.027421][ T10] __sys_sendmsg+0xcd/0x170 [ 6275.027421][ T10] do_syscall_64+0xc6/0x1e0 [ 6275.027421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6275.027421][ T10] [ 6275.029449][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6275.029449][ T10] netdev_get_by_index+0x5e/0x80 [ 6275.029449][ T10] fib6_nh_init+0x3d8/0x1580 [ 6275.029449][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6275.029449][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6275.029449][ T10] ipv6_add_addr+0x411/0x2000 [ 6275.029449][ T10] inet6_addr_add+0x30e/0xa40 [ 6275.029449][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6275.029449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6275.029449][ T10] netlink_rcv_skb+0x130/0x360 [ 6275.029449][ T10] netlink_unicast+0x449/0x710 [ 6275.029449][ T10] netlink_sendmsg+0x723/0xbe0 [ 6275.029449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6275.029449][ T10] ___sys_sendmsg+0xee/0x170 [ 6275.029449][ T10] __sys_sendmsg+0xcd/0x170 [ 6275.029449][ T10] do_syscall_64+0xc6/0x1e0 [ 6275.029449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6275.029449][ T10] [ 6275.031465][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6275.031465][ T10] netdev_get_by_index+0x5e/0x80 [ 6275.031465][ T10] fib6_nh_init+0x3d8/0x1580 [ 6275.031465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6275.031465][ T10] ip6_route_add+0x1c/0x140 [ 6275.031465][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6275.031465][ T10] addrconf_add_dev+0xe2/0x170 [ 6275.031465][ T10] inet6_addr_add+0x12f/0xa40 [ 6275.031465][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6275.031465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6275.031465][ T10] netlink_rcv_skb+0x130/0x360 [ 6275.031465][ T10] netlink_unicast+0x449/0x710 [ 6275.031465][ T10] netlink_sendmsg+0x723/0xbe0 [ 6275.031465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6275.031465][ T10] ___sys_sendmsg+0xee/0x170 [ 6275.031465][ T10] __sys_sendmsg+0xcd/0x170 [ 6275.031465][ T10] do_syscall_64+0xc6/0x1e0 [ 6275.031465][ T10] [ 6275.033443][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6275.033443][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6275.033443][ T10] ipv6_find_idev+0x102/0x170 [ 6275.033443][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6275.033443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6275.033443][ T10] netlink_rcv_skb+0x130/0x360 [ 6275.033443][ T10] netlink_unicast+0x449/0x710 [ 6275.033443][ T10] netlink_sendmsg+0x723/0xbe0 [ 6275.033443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6275.033443][ T10] ___sys_sendmsg+0xee/0x170 [ 6275.033443][ T10] __sys_sendmsg+0xcd/0x170 [ 6275.033443][ T10] do_syscall_64+0xc6/0x1e0 [ 6275.033443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6275.033443][ T10] [ 6275.035058][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6275.035058][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6275.035058][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6275.035058][ T10] ipv6_find_idev+0x102/0x170 [ 6275.035058][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6275.035058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6275.035058][ T10] netlink_rcv_skb+0x130/0x360 [ 6275.035058][ T10] netlink_unicast+0x449/0x710 [ 6275.035058][ T10] netlink_sendmsg+0x723/0xbe0 [ 6275.035058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6275.035058][ T10] ___sys_sendmsg+0xee/0x170 [ 6275.035058][ T10] __sys_sendmsg+0xcd/0x170 [ 6275.035058][ T10] do_syscall_64+0xc6/0x1e0 [ 6275.035058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6275.035058][ T10] [ 6275.036779][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6275.037029][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6275.037029][ T10] netdev_get_by_index+0x5e/0x80 [ 6275.037029][ T10] fib6_nh_init+0x3d8/0x1580 [ 6275.037029][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6275.037029][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6275.037029][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6275.037029][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6275.037029][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6275.037029][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6275.037029][ T10] addrconf_dad_begin+0x310/0x670 [ 6275.037029][ T10] addrconf_dad_work+0x10b/0xab0 [ 6275.037029][ T10] process_one_work+0x84d/0x18a0 [ 6275.037029][ T10] worker_thread+0x587/0xd30 [ 6275.037029][ T10] kthread+0x28a/0x350 [ 6275.037029][ T10] ret_from_fork+0x31/0x70 [ 6275.037029][ T10] ret_from_fork_asm+0x1a/0x30 [ 6275.037029][ T10] [ 6275.038957][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6275.038957][ T10] netdev_get_by_index+0x5e/0x80 [ 6275.038957][ T10] fib6_nh_init+0x3d8/0x1580 [ 6275.038957][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6275.038957][ T10] ip6_route_add+0x1c/0x140 [ 6275.038957][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6275.038957][ T10] inet6_addr_add+0x4f8/0xa40 [ 6275.038957][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6275.038957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6275.038957][ T10] netlink_rcv_skb+0x130/0x360 [ 6275.038957][ T10] netlink_unicast+0x449/0x710 [ 6275.038957][ T10] netlink_sendmsg+0x723/0xbe0 [ 6275.038957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6275.038957][ T10] ___sys_sendmsg+0xee/0x170 [ 6275.038957][ T10] __sys_sendmsg+0xcd/0x170 [ 6275.038957][ T10] do_syscall_64+0xc6/0x1e0 [ 6275.038957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6275.038957][ T10] [ 6275.040972][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6275.040972][ T10] netdev_get_by_index+0x5e/0x80 [ 6275.040972][ T10] fib6_nh_init+0x3d8/0x1580 [ 6275.040972][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6275.040972][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6275.040972][ T10] ipv6_add_addr+0x411/0x2000 [ 6275.040972][ T10] inet6_addr_add+0x30e/0xa40 [ 6275.040972][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6275.040972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6275.040972][ T10] netlink_rcv_skb+0x130/0x360 [ 6275.040972][ T10] netlink_unicast+0x449/0x710 [ 6275.040972][ T10] netlink_sendmsg+0x723/0xbe0 [ 6275.040972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6275.040972][ T10] ___sys_sendmsg+0xee/0x170 [ 6275.040972][ T10] __sys_sendmsg+0xcd/0x170 [ 6275.040972][ T10] do_syscall_64+0xc6/0x1e0 [ 6275.040972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6275.040972][ T10] [ 6275.043000][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6275.043000][ T10] netdev_get_by_index+0x5e/0x80 [ 6275.043000][ T10] fib6_nh_init+0x3d8/0x1580 [ 6275.043000][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6275.043000][ T10] ip6_route_add+0x1c/0x140 [ 6275.043000][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6275.043000][ T10] addrconf_add_dev+0xe2/0x170 [ 6275.043000][ T10] inet6_addr_add+0x12f/0xa40 [ 6275.043000][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6275.043000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6275.043000][ T10] netlink_rcv_skb+0x130/0x360 [ 6275.043000][ T10] netlink_unicast+0x449/0x710 [ 6275.043000][ T10] netlink_sendmsg+0x723/0xbe0 [ 6275.043000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6275.043000][ T10] ___sys_sendmsg+0xee/0x170 [ 6275.043000][ T10] __sys_sendmsg+0xcd/0x170 [ 6275.043000][ T10] do_syscall_64+0xc6/0x1e0 [ 6275.043000][ T10] [ 6275.044983][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6275.044983][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6275.044983][ T10] ipv6_find_idev+0x102/0x170 [ 6275.044983][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6275.044983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6275.044983][ T10] netlink_rcv_skb+0x130/0x360 [ 6275.044983][ T10] netlink_unicast+0x449/0x710 [ 6275.044983][ T10] netlink_sendmsg+0x723/0xbe0 [ 6275.044983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6275.044983][ T10] ___sys_sendmsg+0xee/0x170 [ 6275.044983][ T10] __sys_sendmsg+0xcd/0x170 [ 6275.044983][ T10] do_syscall_64+0xc6/0x1e0 [ 6275.044983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6275.044983][ T10] [ 6275.046531][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6275.046531][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6275.046531][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6275.046531][ T10] ipv6_find_idev+0x102/0x170 [ 6275.046531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6275.046531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6275.046531][ T10] netlink_rcv_skb+0x130/0x360 [ 6275.046531][ T10] netlink_unicast+0x449/0x710 [ 6275.046531][ T10] netlink_sendmsg+0x723/0xbe0 [ 6275.046531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6275.046531][ T10] ___sys_sendmsg+0xee/0x170 [ 6275.046531][ T10] __sys_sendmsg+0xcd/0x170 [ 6275.046531][ T10] do_syscall_64+0xc6/0x1e0 [ 6275.046531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6275.046531][ T10] [ 6275.048243][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6275.048493][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6275.048493][ T10] netdev_get_by_index+0x5e/0x80 [ 6275.048493][ T10] fib6_nh_init+0x3d8/0x1580 [ 6275.048493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6275.048493][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6275.048493][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6275.048493][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6275.048493][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6275.048493][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6275.048493][ T10] addrconf_dad_begin+0x310/0x670 [ 6275.048493][ T10] addrconf_dad_work+0x10b/0xab0 [ 6275.048493][ T10] process_one_work+0x84d/0x18a0 [ 6275.048493][ T10] worker_thread+0x587/0xd30 [ 6275.048493][ T10] kthread+0x28a/0x350 [ 6275.048493][ T10] ret_from_fork+0x31/0x70 [ 6275.048493][ T10] ret_from_fork_asm+0x1a/0x30 [ 6275.048493][ T10] [ 6275.050403][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6275.050403][ T10] netdev_get_by_index+0x5e/0x80 [ 6275.050403][ T10] fib6_nh_init+0x3d8/0x1580 [ 6275.050403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6275.050403][ T10] ip6_route_add+0x1c/0x140 [ 6275.050403][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6275.050403][ T10] inet6_addr_add+0x4f8/0xa40 [ 6275.050403][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6275.050403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6275.050403][ T10] netlink_rcv_skb+0x130/0x360 [ 6275.050403][ T10] netlink_unicast+0x449/0x710 [ 6275.050403][ T10] netlink_sendmsg+0x723/0xbe0 [ 6275.050403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6275.050403][ T10] ___sys_sendmsg+0xee/0x170 [ 6275.050403][ T10] __sys_sendmsg+0xcd/0x170 [ 6275.050403][ T10] do_syscall_64+0xc6/0x1e0 [ 6275.050403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6275.050403][ T10] [ 6275.052588][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6275.052588][ T10] netdev_get_by_index+0x5e/0x80 [ 6275.052588][ T10] fib6_nh_init+0x3d8/0x1580 [ 6275.052588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6275.052588][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6275.052588][ T10] ipv6_add_addr+0x411/0x2000 [ 6275.052588][ T10] inet6_addr_add+0x30e/0xa40 [ 6275.052588][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6275.052588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6275.052588][ T10] netlink_rcv_skb+0x130/0x360 [ 6275.052588][ T10] netlink_unicast+0x449/0x710 [ 6275.052588][ T10] netlink_sendmsg+0x723/0xbe0 [ 6275.052588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6275.052588][ T10] ___sys_sendmsg+0xee/0x170 [ 6275.052588][ T10] __sys_sendmsg+0xcd/0x170 [ 6275.052588][ T10] do_syscall_64+0xc6/0x1e0 [ 6275.052588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6275.052588][ T10] [ 6275.054835][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6275.054835][ T10] netdev_get_by_index+0x5e/0x80 [ 6275.054835][ T10] fib6_nh_init+0x3d8/0x1580 [ 6275.054835][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6275.054835][ T10] ip6_route_add+0x1c/0x140 [ 6275.054835][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6275.054835][ T10] addrconf_add_dev+0xe2/0x170 [ 6275.054835][ T10] inet6_addr_add+0x12f/0xa40 [ 6275.054835][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6275.054835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6275.054835][ T10] netlink_rcv_skb+0x130/0x360 [ 6275.054835][ T10] netlink_unicast+0x449/0x710 [ 6275.054835][ T10] netlink_sendmsg+0x723/0xbe0 [ 6275.054835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6275.054835][ T10] ___sys_sendmsg+0xee/0x170 [ 6275.054835][ T10] __sys_sendmsg+0xcd/0x170 [ 6275.054835][ T10] do_syscall_64+0xc6/0x1e0 [ 6275.054835][ T10] [ 6275.057044][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6275.057044][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6275.057044][ T10] ipv6_find_idev+0x102/0x170 [ 6275.057044][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6275.057044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6275.057044][ T10] netlink_rcv_skb+0x130/0x360 [ 6275.057044][ T10] netlink_unicast+0x449/0x710 [ 6275.057044][ T10] netlink_sendmsg+0x723/0xbe0 [ 6275.057044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6275.057044][ T10] ___sys_sendmsg+0xee/0x170 [ 6275.057044][ T10] __sys_sendmsg+0xcd/0x170 [ 6275.057044][ T10] do_syscall_64+0xc6/0x1e0 [ 6275.057044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6275.057044][ T10] [ 6275.058781][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6275.058781][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6275.058781][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6275.058781][ T10] ipv6_find_idev+0x102/0x170 [ 6275.058781][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6275.058781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6275.058781][ T10] netlink_rcv_skb+0x130/0x360 [ 6275.058781][ T10] netlink_unicast+0x449/0x710 [ 6275.058781][ T10] netlink_sendmsg+0x723/0xbe0 [ 6275.058781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6275.058781][ T10] ___sys_sendmsg+0xee/0x170 [ 6275.058781][ T10] __sys_sendmsg+0xcd/0x170 [ 6275.058781][ T10] do_syscall_64+0xc6/0x1e0 [ 6275.058781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6275.058781][ T10] [ 6275.060658][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6275.060898][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6275.060898][ T10] netdev_get_by_index+0x5e/0x80 [ 6275.060898][ T10] fib6_nh_init+0x3d8/0x1580 [ 6275.060898][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6275.060898][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6275.060898][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6275.060898][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6275.060898][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6275.060898][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6275.060898][ T10] addrconf_dad_begin+0x310/0x670 [ 6275.060898][ T10] addrconf_dad_work+0x10b/0xab0 [ 6275.060898][ T10] process_one_work+0x84d/0x18a0 [ 6275.060898][ T10] worker_thread+0x587/0xd30 [ 6275.060898][ T10] kthread+0x28a/0x350 [ 6275.060898][ T10] ret_from_fork+0x31/0x70 [ 6275.060898][ T10] ret_from_fork_asm+0x1a/0x30 [ 6275.060898][ T10] [ 6275.063123][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6275.063123][ T10] netdev_get_by_index+0x5e/0x80 [ 6275.063123][ T10] fib6_nh_init+0x3d8/0x1580 [ 6275.063123][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6275.063123][ T10] ip6_route_add+0x1c/0x140 [ 6275.063123][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6275.063123][ T10] inet6_addr_add+0x4f8/0xa40 [ 6275.063123][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6275.063123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6275.063123][ T10] netlink_rcv_skb+0x130/0x360 [ 6275.063123][ T10] netlink_unicast+0x449/0x710 [ 6275.063123][ T10] netlink_sendmsg+0x723/0xbe0 [ 6275.063123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6275.063123][ T10] ___sys_sendmsg+0xee/0x170 [ 6275.063123][ T10] __sys_sendmsg+0xcd/0x170 [ 6275.063123][ T10] do_syscall_64+0xc6/0x1e0 [ 6275.063123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6275.063123][ T10] [ 6275.065364][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6275.065364][ T10] netdev_get_by_index+0x5e/0x80 [ 6275.065364][ T10] fib6_nh_init+0x3d8/0x1580 [ 6275.065364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6275.065364][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6275.065364][ T10] ipv6_add_addr+0x411/0x2000 [ 6275.065364][ T10] inet6_addr_add+0x30e/0xa40 [ 6275.065364][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6275.065364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6275.065364][ T10] netlink_rcv_skb+0x130/0x360 [ 6275.065364][ T10] netlink_unicast+0x449/0x710 [ 6275.065364][ T10] netlink_sendmsg+0x723/0xbe0 [ 6275.065364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6275.065364][ T10] ___sys_sendmsg+0xee/0x170 [ 6275.065364][ T10] __sys_sendmsg+0xcd/0x170 [ 6275.065364][ T10] do_syscall_64+0xc6/0x1e0 [ 6275.065364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6275.065364][ T10] [ 6275.067622][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6275.067622][ T10] netdev_get_by_index+0x5e/0x80 [ 6275.067622][ T10] fib6_nh_init+0x3d8/0x1580 [ 6275.067622][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6275.067622][ T10] ip6_route_add+0x1c/0x140 [ 6275.067622][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6275.067622][ T10] addrconf_add_dev+0xe2/0x170 [ 6275.067622][ T10] inet6_addr_add+0x12f/0xa40 [ 6275.067622][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6275.067622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6275.067622][ T10] netlink_rcv_skb+0x130/0x360 [ 6275.067622][ T10] netlink_unicast+0x449/0x710 [ 6275.067622][ T10] netlink_sendmsg+0x723/0xbe0 [ 6275.067622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6275.067622][ T10] ___sys_sendmsg+0xee/0x170 [ 6275.067622][ T10] __sys_sendmsg+0xcd/0x170 [ 6275.067622][ T10] do_syscall_64+0xc6/0x1e0 [ 6275.067622][ T10] [ 6275.069781][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6275.069781][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6275.069781][ T10] ipv6_find_idev+0x102/0x170 [ 6275.069781][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6275.069781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6275.069781][ T10] netlink_rcv_skb+0x130/0x360 [ 6275.069781][ T10] netlink_unicast+0x449/0x710 [ 6275.069781][ T10] netlink_sendmsg+0x723/0xbe0 [ 6275.069781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6275.069781][ T10] ___sys_sendmsg+0xee/0x170 [ 6275.069781][ T10] __sys_sendmsg+0xcd/0x170 [ 6275.069781][ T10] do_syscall_64+0xc6/0x1e0 [ 6275.069781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6275.069781][ T10] [ 6275.071579][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6275.071579][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6275.071579][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6275.071579][ T10] ipv6_find_idev+0x102/0x170 [ 6275.071579][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6275.071579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6275.071579][ T10] netlink_rcv_skb+0x130/0x360 [ 6275.071579][ T10] netlink_unicast+0x449/0x710 [ 6275.071579][ T10] netlink_sendmsg+0x723/0xbe0 [ 6275.071579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6275.071579][ T10] ___sys_sendmsg+0xee/0x170 [ 6275.071579][ T10] __sys_sendmsg+0xcd/0x170 [ 6275.071579][ T10] do_syscall_64+0xc6/0x1e0 [ 6275.071579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6275.071579][ T10] [ 6283.377108][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6283.377523][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6283.377523][ T1167] dst_init+0x84/0x4a0 [ 6283.377523][ T1167] dst_alloc+0x97/0x150 [ 6283.377523][ T1167] ip6_dst_alloc+0x23/0x90 [ 6283.377523][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6283.377523][ T1167] ip6_pol_route+0x56f/0x840 [ 6283.377523][ T1167] fib6_rule_lookup+0x334/0x630 [ 6283.377523][ T1167] ip6_route_output_flags+0x259/0x480 [ 6283.377523][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6283.377523][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6283.377523][ T1167] netlink_rcv_skb+0x130/0x360 [ 6283.377523][ T1167] netlink_unicast+0x449/0x710 [ 6283.377523][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6283.377523][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6283.377523][ T1167] ___sys_sendmsg+0xee/0x170 [ 6283.377523][ T1167] __sys_sendmsg+0xcd/0x170 [ 6283.377523][ T1167] do_syscall_64+0xc6/0x1e0 [ 6283.377523][ T1167] [ 6283.379748][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6283.379748][ T1167] netdev_get_by_index+0x5e/0x80 [ 6283.379748][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6283.379748][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6283.379748][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6283.379748][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6283.379748][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6283.379748][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6283.379748][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6283.379748][ T1167] addrconf_dad_begin+0x310/0x670 [ 6283.379748][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6283.379748][ T1167] process_one_work+0x84d/0x18a0 [ 6283.379748][ T1167] worker_thread+0x587/0xd30 [ 6283.379748][ T1167] kthread+0x28a/0x350 [ 6283.379748][ T1167] ret_from_fork+0x31/0x70 [ 6283.379748][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6283.379748][ T1167] [ 6283.381896][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6283.381896][ T1167] netdev_get_by_index+0x5e/0x80 [ 6283.381896][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6283.381896][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6283.381896][ T1167] ip6_route_add+0x1c/0x140 [ 6283.381896][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6283.381896][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6283.381896][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6283.381896][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6283.381896][ T1167] netlink_rcv_skb+0x130/0x360 [ 6283.381896][ T1167] netlink_unicast+0x449/0x710 [ 6283.381896][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6283.381896][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6283.381896][ T1167] ___sys_sendmsg+0xee/0x170 [ 6283.381896][ T1167] __sys_sendmsg+0xcd/0x170 [ 6283.381896][ T1167] do_syscall_64+0xc6/0x1e0 [ 6283.381896][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6283.381896][ T1167] [ 6283.384132][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6283.384132][ T1167] netdev_get_by_index+0x5e/0x80 [ 6283.384132][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6283.384132][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6283.384132][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6283.384132][ T1167] ipv6_add_addr+0x411/0x2000 [ 6283.384132][ T1167] inet6_addr_add+0x30e/0xa40 [ 6283.384132][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6283.384132][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6283.384132][ T1167] netlink_rcv_skb+0x130/0x360 [ 6283.384132][ T1167] netlink_unicast+0x449/0x710 [ 6283.384132][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6283.384132][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6283.384132][ T1167] ___sys_sendmsg+0xee/0x170 [ 6283.384132][ T1167] __sys_sendmsg+0xcd/0x170 [ 6283.384132][ T1167] do_syscall_64+0xc6/0x1e0 [ 6283.384132][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6283.384132][ T1167] [ 6283.386364][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6283.386364][ T1167] netdev_get_by_index+0x5e/0x80 [ 6283.386364][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6283.386364][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6283.386364][ T1167] ip6_route_add+0x1c/0x140 [ 6283.386364][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6283.386364][ T1167] addrconf_add_dev+0xe2/0x170 [ 6283.386364][ T1167] inet6_addr_add+0x12f/0xa40 [ 6283.386364][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6283.386364][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6283.386364][ T1167] netlink_rcv_skb+0x130/0x360 [ 6283.386364][ T1167] netlink_unicast+0x449/0x710 [ 6283.386364][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6283.386364][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6283.386364][ T1167] ___sys_sendmsg+0xee/0x170 [ 6283.386364][ T1167] __sys_sendmsg+0xcd/0x170 [ 6283.386364][ T1167] do_syscall_64+0xc6/0x1e0 [ 6283.386364][ T1167] [ 6283.388564][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6283.388564][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6283.388564][ T1167] ipv6_find_idev+0x102/0x170 [ 6283.388564][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6283.388564][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6283.388564][ T1167] netlink_rcv_skb+0x130/0x360 [ 6283.388564][ T1167] netlink_unicast+0x449/0x710 [ 6283.388564][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6283.388564][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6283.388564][ T1167] ___sys_sendmsg+0xee/0x170 [ 6283.388564][ T1167] __sys_sendmsg+0xcd/0x170 [ 6283.388564][ T1167] do_syscall_64+0xc6/0x1e0 [ 6283.388564][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6283.388564][ T1167] [ 6283.390274][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6283.390274][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6283.390274][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6283.390274][ T1167] ipv6_find_idev+0x102/0x170 [ 6283.390274][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6283.390274][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6283.390274][ T1167] netlink_rcv_skb+0x130/0x360 [ 6283.390274][ T1167] netlink_unicast+0x449/0x710 [ 6283.390274][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6283.390274][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6283.390274][ T1167] ___sys_sendmsg+0xee/0x170 [ 6283.390274][ T1167] __sys_sendmsg+0xcd/0x170 [ 6283.390274][ T1167] do_syscall_64+0xc6/0x1e0 [ 6283.390274][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6283.390274][ T1167] [ 6285.313122][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6285.313461][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6285.313461][ T10] netdev_get_by_index+0x5e/0x80 [ 6285.313461][ T10] fib6_nh_init+0x3d8/0x1580 [ 6285.313461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6285.313461][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6285.313461][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6285.313461][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6285.313461][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6285.313461][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6285.313461][ T10] addrconf_dad_begin+0x310/0x670 [ 6285.313461][ T10] addrconf_dad_work+0x10b/0xab0 [ 6285.313461][ T10] process_one_work+0x84d/0x18a0 [ 6285.313461][ T10] worker_thread+0x587/0xd30 [ 6285.313461][ T10] kthread+0x28a/0x350 [ 6285.313461][ T10] ret_from_fork+0x31/0x70 [ 6285.313461][ T10] ret_from_fork_asm+0x1a/0x30 [ 6285.313461][ T10] [ 6285.315382][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6285.315382][ T10] netdev_get_by_index+0x5e/0x80 [ 6285.315382][ T10] fib6_nh_init+0x3d8/0x1580 [ 6285.315382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6285.315382][ T10] ip6_route_add+0x1c/0x140 [ 6285.315382][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6285.315382][ T10] inet6_addr_add+0x4f8/0xa40 [ 6285.315382][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6285.315382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.315382][ T10] netlink_rcv_skb+0x130/0x360 [ 6285.315382][ T10] netlink_unicast+0x449/0x710 [ 6285.315382][ T10] netlink_sendmsg+0x723/0xbe0 [ 6285.315382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6285.315382][ T10] ___sys_sendmsg+0xee/0x170 [ 6285.315382][ T10] __sys_sendmsg+0xcd/0x170 [ 6285.315382][ T10] do_syscall_64+0xc6/0x1e0 [ 6285.315382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.315382][ T10] [ 6285.317362][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6285.317362][ T10] netdev_get_by_index+0x5e/0x80 [ 6285.317362][ T10] fib6_nh_init+0x3d8/0x1580 [ 6285.317362][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6285.317362][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6285.317362][ T10] ipv6_add_addr+0x411/0x2000 [ 6285.317362][ T10] inet6_addr_add+0x30e/0xa40 [ 6285.317362][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6285.317362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.317362][ T10] netlink_rcv_skb+0x130/0x360 [ 6285.317362][ T10] netlink_unicast+0x449/0x710 [ 6285.317362][ T10] netlink_sendmsg+0x723/0xbe0 [ 6285.317362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6285.317362][ T10] ___sys_sendmsg+0xee/0x170 [ 6285.317362][ T10] __sys_sendmsg+0xcd/0x170 [ 6285.317362][ T10] do_syscall_64+0xc6/0x1e0 [ 6285.317362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.317362][ T10] [ 6285.319352][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6285.319352][ T10] netdev_get_by_index+0x5e/0x80 [ 6285.319352][ T10] fib6_nh_init+0x3d8/0x1580 [ 6285.319352][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6285.319352][ T10] ip6_route_add+0x1c/0x140 [ 6285.319352][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6285.319352][ T10] addrconf_add_dev+0xe2/0x170 [ 6285.319352][ T10] inet6_addr_add+0x12f/0xa40 [ 6285.319352][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6285.319352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.319352][ T10] netlink_rcv_skb+0x130/0x360 [ 6285.319352][ T10] netlink_unicast+0x449/0x710 [ 6285.319352][ T10] netlink_sendmsg+0x723/0xbe0 [ 6285.319352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6285.319352][ T10] ___sys_sendmsg+0xee/0x170 [ 6285.319352][ T10] __sys_sendmsg+0xcd/0x170 [ 6285.319352][ T10] do_syscall_64+0xc6/0x1e0 [ 6285.319352][ T10] [ 6285.321294][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6285.321294][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6285.321294][ T10] ipv6_find_idev+0x102/0x170 [ 6285.321294][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6285.321294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.321294][ T10] netlink_rcv_skb+0x130/0x360 [ 6285.321294][ T10] netlink_unicast+0x449/0x710 [ 6285.321294][ T10] netlink_sendmsg+0x723/0xbe0 [ 6285.321294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6285.321294][ T10] ___sys_sendmsg+0xee/0x170 [ 6285.321294][ T10] __sys_sendmsg+0xcd/0x170 [ 6285.321294][ T10] do_syscall_64+0xc6/0x1e0 [ 6285.321294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.321294][ T10] [ 6285.322843][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6285.322843][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6285.322843][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6285.322843][ T10] ipv6_find_idev+0x102/0x170 [ 6285.322843][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6285.322843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.322843][ T10] netlink_rcv_skb+0x130/0x360 [ 6285.322843][ T10] netlink_unicast+0x449/0x710 [ 6285.322843][ T10] netlink_sendmsg+0x723/0xbe0 [ 6285.322843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6285.322843][ T10] ___sys_sendmsg+0xee/0x170 [ 6285.322843][ T10] __sys_sendmsg+0xcd/0x170 [ 6285.322843][ T10] do_syscall_64+0xc6/0x1e0 [ 6285.322843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.322843][ T10] [ 6285.324537][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6285.324776][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6285.324776][ T10] netdev_get_by_index+0x5e/0x80 [ 6285.324776][ T10] fib6_nh_init+0x3d8/0x1580 [ 6285.324776][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6285.324776][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6285.324776][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6285.324776][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6285.324776][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6285.324776][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6285.324776][ T10] addrconf_dad_begin+0x310/0x670 [ 6285.324776][ T10] addrconf_dad_work+0x10b/0xab0 [ 6285.324776][ T10] process_one_work+0x84d/0x18a0 [ 6285.324776][ T10] worker_thread+0x587/0xd30 [ 6285.324776][ T10] kthread+0x28a/0x350 [ 6285.324776][ T10] ret_from_fork+0x31/0x70 [ 6285.324776][ T10] ret_from_fork_asm+0x1a/0x30 [ 6285.324776][ T10] [ 6285.326682][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6285.326682][ T10] netdev_get_by_index+0x5e/0x80 [ 6285.326682][ T10] fib6_nh_init+0x3d8/0x1580 [ 6285.326682][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6285.326682][ T10] ip6_route_add+0x1c/0x140 [ 6285.326682][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6285.326682][ T10] inet6_addr_add+0x4f8/0xa40 [ 6285.326682][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6285.326682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.326682][ T10] netlink_rcv_skb+0x130/0x360 [ 6285.326682][ T10] netlink_unicast+0x449/0x710 [ 6285.326682][ T10] netlink_sendmsg+0x723/0xbe0 [ 6285.326682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6285.326682][ T10] ___sys_sendmsg+0xee/0x170 [ 6285.326682][ T10] __sys_sendmsg+0xcd/0x170 [ 6285.326682][ T10] do_syscall_64+0xc6/0x1e0 [ 6285.326682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.326682][ T10] [ 6285.328701][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6285.328701][ T10] netdev_get_by_index+0x5e/0x80 [ 6285.328701][ T10] fib6_nh_init+0x3d8/0x1580 [ 6285.328701][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6285.328701][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6285.328701][ T10] ipv6_add_addr+0x411/0x2000 [ 6285.328701][ T10] inet6_addr_add+0x30e/0xa40 [ 6285.328701][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6285.328701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.328701][ T10] netlink_rcv_skb+0x130/0x360 [ 6285.328701][ T10] netlink_unicast+0x449/0x710 [ 6285.328701][ T10] netlink_sendmsg+0x723/0xbe0 [ 6285.328701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6285.328701][ T10] ___sys_sendmsg+0xee/0x170 [ 6285.328701][ T10] __sys_sendmsg+0xcd/0x170 [ 6285.328701][ T10] do_syscall_64+0xc6/0x1e0 [ 6285.328701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.328701][ T10] [ 6285.330707][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6285.330707][ T10] netdev_get_by_index+0x5e/0x80 [ 6285.330707][ T10] fib6_nh_init+0x3d8/0x1580 [ 6285.330707][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6285.330707][ T10] ip6_route_add+0x1c/0x140 [ 6285.330707][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6285.330707][ T10] addrconf_add_dev+0xe2/0x170 [ 6285.330707][ T10] inet6_addr_add+0x12f/0xa40 [ 6285.330707][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6285.330707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.330707][ T10] netlink_rcv_skb+0x130/0x360 [ 6285.330707][ T10] netlink_unicast+0x449/0x710 [ 6285.330707][ T10] netlink_sendmsg+0x723/0xbe0 [ 6285.330707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6285.330707][ T10] ___sys_sendmsg+0xee/0x170 [ 6285.330707][ T10] __sys_sendmsg+0xcd/0x170 [ 6285.330707][ T10] do_syscall_64+0xc6/0x1e0 [ 6285.330707][ T10] [ 6285.332666][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6285.332666][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6285.332666][ T10] ipv6_find_idev+0x102/0x170 [ 6285.332666][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6285.332666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.332666][ T10] netlink_rcv_skb+0x130/0x360 [ 6285.332666][ T10] netlink_unicast+0x449/0x710 [ 6285.332666][ T10] netlink_sendmsg+0x723/0xbe0 [ 6285.332666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6285.332666][ T10] ___sys_sendmsg+0xee/0x170 [ 6285.332666][ T10] __sys_sendmsg+0xcd/0x170 [ 6285.332666][ T10] do_syscall_64+0xc6/0x1e0 [ 6285.332666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.332666][ T10] [ 6285.334202][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6285.334202][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6285.334202][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6285.334202][ T10] ipv6_find_idev+0x102/0x170 [ 6285.334202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6285.334202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.334202][ T10] netlink_rcv_skb+0x130/0x360 [ 6285.334202][ T10] netlink_unicast+0x449/0x710 [ 6285.334202][ T10] netlink_sendmsg+0x723/0xbe0 [ 6285.334202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6285.334202][ T10] ___sys_sendmsg+0xee/0x170 [ 6285.334202][ T10] __sys_sendmsg+0xcd/0x170 [ 6285.334202][ T10] do_syscall_64+0xc6/0x1e0 [ 6285.334202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.334202][ T10] [ 6285.335862][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6285.336112][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6285.336112][ T10] netdev_get_by_index+0x5e/0x80 [ 6285.336112][ T10] fib6_nh_init+0x3d8/0x1580 [ 6285.336112][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6285.336112][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6285.336112][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6285.336112][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6285.336112][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6285.336112][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6285.336112][ T10] addrconf_dad_begin+0x310/0x670 [ 6285.336112][ T10] addrconf_dad_work+0x10b/0xab0 [ 6285.336112][ T10] process_one_work+0x84d/0x18a0 [ 6285.336112][ T10] worker_thread+0x587/0xd30 [ 6285.336112][ T10] kthread+0x28a/0x350 [ 6285.336112][ T10] ret_from_fork+0x31/0x70 [ 6285.336112][ T10] ret_from_fork_asm+0x1a/0x30 [ 6285.336112][ T10] [ 6285.338004][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6285.338004][ T10] netdev_get_by_index+0x5e/0x80 [ 6285.338004][ T10] fib6_nh_init+0x3d8/0x1580 [ 6285.338004][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6285.338004][ T10] ip6_route_add+0x1c/0x140 [ 6285.338004][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6285.338004][ T10] inet6_addr_add+0x4f8/0xa40 [ 6285.338004][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6285.338004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.338004][ T10] netlink_rcv_skb+0x130/0x360 [ 6285.338004][ T10] netlink_unicast+0x449/0x710 [ 6285.338004][ T10] netlink_sendmsg+0x723/0xbe0 [ 6285.338004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6285.338004][ T10] ___sys_sendmsg+0xee/0x170 [ 6285.338004][ T10] __sys_sendmsg+0xcd/0x170 [ 6285.338004][ T10] do_syscall_64+0xc6/0x1e0 [ 6285.338004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.338004][ T10] [ 6285.340177][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6285.340177][ T10] netdev_get_by_index+0x5e/0x80 [ 6285.340177][ T10] fib6_nh_init+0x3d8/0x1580 [ 6285.340177][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6285.340177][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6285.340177][ T10] ipv6_add_addr+0x411/0x2000 [ 6285.340177][ T10] inet6_addr_add+0x30e/0xa40 [ 6285.340177][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6285.340177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.340177][ T10] netlink_rcv_skb+0x130/0x360 [ 6285.340177][ T10] netlink_unicast+0x449/0x710 [ 6285.340177][ T10] netlink_sendmsg+0x723/0xbe0 [ 6285.340177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6285.340177][ T10] ___sys_sendmsg+0xee/0x170 [ 6285.340177][ T10] __sys_sendmsg+0xcd/0x170 [ 6285.340177][ T10] do_syscall_64+0xc6/0x1e0 [ 6285.340177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.340177][ T10] [ 6285.342408][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6285.342408][ T10] netdev_get_by_index+0x5e/0x80 [ 6285.342408][ T10] fib6_nh_init+0x3d8/0x1580 [ 6285.342408][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6285.342408][ T10] ip6_route_add+0x1c/0x140 [ 6285.342408][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6285.342408][ T10] addrconf_add_dev+0xe2/0x170 [ 6285.342408][ T10] inet6_addr_add+0x12f/0xa40 [ 6285.342408][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6285.342408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.342408][ T10] netlink_rcv_skb+0x130/0x360 [ 6285.342408][ T10] netlink_unicast+0x449/0x710 [ 6285.342408][ T10] netlink_sendmsg+0x723/0xbe0 [ 6285.342408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6285.342408][ T10] ___sys_sendmsg+0xee/0x170 [ 6285.342408][ T10] __sys_sendmsg+0xcd/0x170 [ 6285.342408][ T10] do_syscall_64+0xc6/0x1e0 [ 6285.342408][ T10] [ 6285.344553][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6285.344553][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6285.344553][ T10] ipv6_find_idev+0x102/0x170 [ 6285.344553][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6285.344553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.344553][ T10] netlink_rcv_skb+0x130/0x360 [ 6285.344553][ T10] netlink_unicast+0x449/0x710 [ 6285.344553][ T10] netlink_sendmsg+0x723/0xbe0 [ 6285.344553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6285.344553][ T10] ___sys_sendmsg+0xee/0x170 [ 6285.344553][ T10] __sys_sendmsg+0xcd/0x170 [ 6285.344553][ T10] do_syscall_64+0xc6/0x1e0 [ 6285.344553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.344553][ T10] [ 6285.346257][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6285.346257][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6285.346257][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6285.346257][ T10] ipv6_find_idev+0x102/0x170 [ 6285.346257][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6285.346257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.346257][ T10] netlink_rcv_skb+0x130/0x360 [ 6285.346257][ T10] netlink_unicast+0x449/0x710 [ 6285.346257][ T10] netlink_sendmsg+0x723/0xbe0 [ 6285.346257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6285.346257][ T10] ___sys_sendmsg+0xee/0x170 [ 6285.346257][ T10] __sys_sendmsg+0xcd/0x170 [ 6285.346257][ T10] do_syscall_64+0xc6/0x1e0 [ 6285.346257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.346257][ T10] [ 6285.348175][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6285.348410][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6285.348410][ T10] netdev_get_by_index+0x5e/0x80 [ 6285.348410][ T10] fib6_nh_init+0x3d8/0x1580 [ 6285.348410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6285.348410][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6285.348410][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6285.348410][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6285.348410][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6285.348410][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6285.348410][ T10] addrconf_dad_begin+0x310/0x670 [ 6285.348410][ T10] addrconf_dad_work+0x10b/0xab0 [ 6285.348410][ T10] process_one_work+0x84d/0x18a0 [ 6285.348410][ T10] worker_thread+0x587/0xd30 [ 6285.348410][ T10] kthread+0x28a/0x350 [ 6285.348410][ T10] ret_from_fork+0x31/0x70 [ 6285.348410][ T10] ret_from_fork_asm+0x1a/0x30 [ 6285.348410][ T10] [ 6285.350551][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6285.350551][ T10] netdev_get_by_index+0x5e/0x80 [ 6285.350551][ T10] fib6_nh_init+0x3d8/0x1580 [ 6285.350551][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6285.350551][ T10] ip6_route_add+0x1c/0x140 [ 6285.350551][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6285.350551][ T10] inet6_addr_add+0x4f8/0xa40 [ 6285.350551][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6285.350551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.350551][ T10] netlink_rcv_skb+0x130/0x360 [ 6285.350551][ T10] netlink_unicast+0x449/0x710 [ 6285.350551][ T10] netlink_sendmsg+0x723/0xbe0 [ 6285.350551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6285.350551][ T10] ___sys_sendmsg+0xee/0x170 [ 6285.350551][ T10] __sys_sendmsg+0xcd/0x170 [ 6285.350551][ T10] do_syscall_64+0xc6/0x1e0 [ 6285.350551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.350551][ T10] [ 6285.352711][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6285.352711][ T10] netdev_get_by_index+0x5e/0x80 [ 6285.352711][ T10] fib6_nh_init+0x3d8/0x1580 [ 6285.352711][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6285.352711][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6285.352711][ T10] ipv6_add_addr+0x411/0x2000 [ 6285.352711][ T10] inet6_addr_add+0x30e/0xa40 [ 6285.352711][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6285.352711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.352711][ T10] netlink_rcv_skb+0x130/0x360 [ 6285.352711][ T10] netlink_unicast+0x449/0x710 [ 6285.352711][ T10] netlink_sendmsg+0x723/0xbe0 [ 6285.352711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6285.352711][ T10] ___sys_sendmsg+0xee/0x170 [ 6285.352711][ T10] __sys_sendmsg+0xcd/0x170 [ 6285.352711][ T10] do_syscall_64+0xc6/0x1e0 [ 6285.352711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.352711][ T10] [ 6285.354947][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6285.354947][ T10] netdev_get_by_index+0x5e/0x80 [ 6285.354947][ T10] fib6_nh_init+0x3d8/0x1580 [ 6285.354947][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6285.354947][ T10] ip6_route_add+0x1c/0x140 [ 6285.354947][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6285.354947][ T10] addrconf_add_dev+0xe2/0x170 [ 6285.354947][ T10] inet6_addr_add+0x12f/0xa40 [ 6285.354947][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6285.354947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.354947][ T10] netlink_rcv_skb+0x130/0x360 [ 6285.354947][ T10] netlink_unicast+0x449/0x710 [ 6285.354947][ T10] netlink_sendmsg+0x723/0xbe0 [ 6285.354947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6285.354947][ T10] ___sys_sendmsg+0xee/0x170 [ 6285.354947][ T10] __sys_sendmsg+0xcd/0x170 [ 6285.354947][ T10] do_syscall_64+0xc6/0x1e0 [ 6285.354947][ T10] [ 6285.357197][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6285.357197][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6285.357197][ T10] ipv6_find_idev+0x102/0x170 [ 6285.357197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6285.357197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.357197][ T10] netlink_rcv_skb+0x130/0x360 [ 6285.357197][ T10] netlink_unicast+0x449/0x710 [ 6285.357197][ T10] netlink_sendmsg+0x723/0xbe0 [ 6285.357197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6285.357197][ T10] ___sys_sendmsg+0xee/0x170 [ 6285.357197][ T10] __sys_sendmsg+0xcd/0x170 [ 6285.357197][ T10] do_syscall_64+0xc6/0x1e0 [ 6285.357197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.357197][ T10] [ 6285.358906][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6285.358906][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6285.358906][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6285.358906][ T10] ipv6_find_idev+0x102/0x170 [ 6285.358906][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6285.358906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6285.358906][ T10] netlink_rcv_skb+0x130/0x360 [ 6285.358906][ T10] netlink_unicast+0x449/0x710 [ 6285.358906][ T10] netlink_sendmsg+0x723/0xbe0 [ 6285.358906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6285.358906][ T10] ___sys_sendmsg+0xee/0x170 [ 6285.358906][ T10] __sys_sendmsg+0xcd/0x170 [ 6285.358906][ T10] do_syscall_64+0xc6/0x1e0 [ 6285.358906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6285.358906][ T10] [ 6293.457127][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6293.457599][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6293.457599][ T1167] dst_init+0x84/0x4a0 [ 6293.457599][ T1167] dst_alloc+0x97/0x150 [ 6293.457599][ T1167] ip6_dst_alloc+0x23/0x90 [ 6293.457599][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6293.457599][ T1167] ip6_pol_route+0x56f/0x840 [ 6293.457599][ T1167] fib6_rule_lookup+0x334/0x630 [ 6293.457599][ T1167] ip6_route_output_flags+0x259/0x480 [ 6293.457599][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6293.457599][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6293.457599][ T1167] netlink_rcv_skb+0x130/0x360 [ 6293.457599][ T1167] netlink_unicast+0x449/0x710 [ 6293.457599][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6293.457599][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6293.457599][ T1167] ___sys_sendmsg+0xee/0x170 [ 6293.457599][ T1167] __sys_sendmsg+0xcd/0x170 [ 6293.457599][ T1167] do_syscall_64+0xc6/0x1e0 [ 6293.457599][ T1167] [ 6293.459806][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6293.459806][ T1167] netdev_get_by_index+0x5e/0x80 [ 6293.459806][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6293.459806][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6293.459806][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6293.459806][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6293.459806][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6293.459806][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6293.459806][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6293.459806][ T1167] addrconf_dad_begin+0x310/0x670 [ 6293.459806][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6293.459806][ T1167] process_one_work+0x84d/0x18a0 [ 6293.459806][ T1167] worker_thread+0x587/0xd30 [ 6293.459806][ T1167] kthread+0x28a/0x350 [ 6293.459806][ T1167] ret_from_fork+0x31/0x70 [ 6293.459806][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6293.459806][ T1167] [ 6293.461935][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6293.461935][ T1167] netdev_get_by_index+0x5e/0x80 [ 6293.461935][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6293.461935][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6293.461935][ T1167] ip6_route_add+0x1c/0x140 [ 6293.461935][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6293.461935][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6293.461935][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6293.461935][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6293.461935][ T1167] netlink_rcv_skb+0x130/0x360 [ 6293.461935][ T1167] netlink_unicast+0x449/0x710 [ 6293.461935][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6293.461935][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6293.461935][ T1167] ___sys_sendmsg+0xee/0x170 [ 6293.461935][ T1167] __sys_sendmsg+0xcd/0x170 [ 6293.461935][ T1167] do_syscall_64+0xc6/0x1e0 [ 6293.461935][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6293.461935][ T1167] [ 6293.464160][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6293.464160][ T1167] netdev_get_by_index+0x5e/0x80 [ 6293.464160][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6293.464160][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6293.464160][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6293.464160][ T1167] ipv6_add_addr+0x411/0x2000 [ 6293.464160][ T1167] inet6_addr_add+0x30e/0xa40 [ 6293.464160][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6293.464160][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6293.464160][ T1167] netlink_rcv_skb+0x130/0x360 [ 6293.464160][ T1167] netlink_unicast+0x449/0x710 [ 6293.464160][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6293.464160][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6293.464160][ T1167] ___sys_sendmsg+0xee/0x170 [ 6293.464160][ T1167] __sys_sendmsg+0xcd/0x170 [ 6293.464160][ T1167] do_syscall_64+0xc6/0x1e0 [ 6293.464160][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6293.464160][ T1167] [ 6293.466387][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6293.466387][ T1167] netdev_get_by_index+0x5e/0x80 [ 6293.466387][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6293.466387][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6293.466387][ T1167] ip6_route_add+0x1c/0x140 [ 6293.466387][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6293.466387][ T1167] addrconf_add_dev+0xe2/0x170 [ 6293.466387][ T1167] inet6_addr_add+0x12f/0xa40 [ 6293.466387][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6293.466387][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6293.466387][ T1167] netlink_rcv_skb+0x130/0x360 [ 6293.466387][ T1167] netlink_unicast+0x449/0x710 [ 6293.466387][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6293.466387][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6293.466387][ T1167] ___sys_sendmsg+0xee/0x170 [ 6293.466387][ T1167] __sys_sendmsg+0xcd/0x170 [ 6293.466387][ T1167] do_syscall_64+0xc6/0x1e0 [ 6293.466387][ T1167] [ 6293.468582][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6293.468582][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6293.468582][ T1167] ipv6_find_idev+0x102/0x170 [ 6293.468582][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6293.468582][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6293.468582][ T1167] netlink_rcv_skb+0x130/0x360 [ 6293.468582][ T1167] netlink_unicast+0x449/0x710 [ 6293.468582][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6293.468582][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6293.468582][ T1167] ___sys_sendmsg+0xee/0x170 [ 6293.468582][ T1167] __sys_sendmsg+0xcd/0x170 [ 6293.468582][ T1167] do_syscall_64+0xc6/0x1e0 [ 6293.468582][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6293.468582][ T1167] [ 6293.470295][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6293.470295][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6293.470295][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6293.470295][ T1167] ipv6_find_idev+0x102/0x170 [ 6293.470295][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6293.470295][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6293.470295][ T1167] netlink_rcv_skb+0x130/0x360 [ 6293.470295][ T1167] netlink_unicast+0x449/0x710 [ 6293.470295][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6293.470295][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6293.470295][ T1167] ___sys_sendmsg+0xee/0x170 [ 6293.470295][ T1167] __sys_sendmsg+0xcd/0x170 [ 6293.470295][ T1167] do_syscall_64+0xc6/0x1e0 [ 6293.470295][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6293.470295][ T1167] [ 6295.505137][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6295.505651][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6295.505651][ T10] netdev_get_by_index+0x5e/0x80 [ 6295.505651][ T10] fib6_nh_init+0x3d8/0x1580 [ 6295.505651][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6295.505651][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6295.505651][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6295.505651][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6295.505651][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6295.505651][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6295.505651][ T10] addrconf_dad_begin+0x310/0x670 [ 6295.505651][ T10] addrconf_dad_work+0x10b/0xab0 [ 6295.505651][ T10] process_one_work+0x84d/0x18a0 [ 6295.505651][ T10] worker_thread+0x587/0xd30 [ 6295.505651][ T10] kthread+0x28a/0x350 [ 6295.505651][ T10] ret_from_fork+0x31/0x70 [ 6295.505651][ T10] ret_from_fork_asm+0x1a/0x30 [ 6295.505651][ T10] [ 6295.508764][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6295.508764][ T10] netdev_get_by_index+0x5e/0x80 [ 6295.508764][ T10] fib6_nh_init+0x3d8/0x1580 [ 6295.508764][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6295.508764][ T10] ip6_route_add+0x1c/0x140 [ 6295.508764][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6295.508764][ T10] inet6_addr_add+0x4f8/0xa40 [ 6295.508764][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6295.508764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.508764][ T10] netlink_rcv_skb+0x130/0x360 [ 6295.508764][ T10] netlink_unicast+0x449/0x710 [ 6295.508764][ T10] netlink_sendmsg+0x723/0xbe0 [ 6295.508764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6295.508764][ T10] ___sys_sendmsg+0xee/0x170 [ 6295.508764][ T10] __sys_sendmsg+0xcd/0x170 [ 6295.508764][ T10] do_syscall_64+0xc6/0x1e0 [ 6295.508764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.508764][ T10] [ 6295.511977][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6295.511977][ T10] netdev_get_by_index+0x5e/0x80 [ 6295.511977][ T10] fib6_nh_init+0x3d8/0x1580 [ 6295.511977][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6295.511977][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6295.511977][ T10] ipv6_add_addr+0x411/0x2000 [ 6295.511977][ T10] inet6_addr_add+0x30e/0xa40 [ 6295.511977][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6295.511977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.511977][ T10] netlink_rcv_skb+0x130/0x360 [ 6295.511977][ T10] netlink_unicast+0x449/0x710 [ 6295.511977][ T10] netlink_sendmsg+0x723/0xbe0 [ 6295.511977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6295.511977][ T10] ___sys_sendmsg+0xee/0x170 [ 6295.511977][ T10] __sys_sendmsg+0xcd/0x170 [ 6295.511977][ T10] do_syscall_64+0xc6/0x1e0 [ 6295.511977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.511977][ T10] [ 6295.515183][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6295.515183][ T10] netdev_get_by_index+0x5e/0x80 [ 6295.515183][ T10] fib6_nh_init+0x3d8/0x1580 [ 6295.515183][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6295.515183][ T10] ip6_route_add+0x1c/0x140 [ 6295.515183][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6295.515183][ T10] addrconf_add_dev+0xe2/0x170 [ 6295.515183][ T10] inet6_addr_add+0x12f/0xa40 [ 6295.515183][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6295.515183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.515183][ T10] netlink_rcv_skb+0x130/0x360 [ 6295.515183][ T10] netlink_unicast+0x449/0x710 [ 6295.515183][ T10] netlink_sendmsg+0x723/0xbe0 [ 6295.515183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6295.515183][ T10] ___sys_sendmsg+0xee/0x170 [ 6295.515183][ T10] __sys_sendmsg+0xcd/0x170 [ 6295.515183][ T10] do_syscall_64+0xc6/0x1e0 [ 6295.515183][ T10] [ 6295.518337][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6295.518337][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6295.518337][ T10] ipv6_find_idev+0x102/0x170 [ 6295.518337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6295.518337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.518337][ T10] netlink_rcv_skb+0x130/0x360 [ 6295.518337][ T10] netlink_unicast+0x449/0x710 [ 6295.518337][ T10] netlink_sendmsg+0x723/0xbe0 [ 6295.518337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6295.518337][ T10] ___sys_sendmsg+0xee/0x170 [ 6295.518337][ T10] __sys_sendmsg+0xcd/0x170 [ 6295.518337][ T10] do_syscall_64+0xc6/0x1e0 [ 6295.518337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.518337][ T10] [ 6295.520799][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6295.520799][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6295.520799][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6295.520799][ T10] ipv6_find_idev+0x102/0x170 [ 6295.520799][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6295.520799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.520799][ T10] netlink_rcv_skb+0x130/0x360 [ 6295.520799][ T10] netlink_unicast+0x449/0x710 [ 6295.520799][ T10] netlink_sendmsg+0x723/0xbe0 [ 6295.520799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6295.520799][ T10] ___sys_sendmsg+0xee/0x170 [ 6295.520799][ T10] __sys_sendmsg+0xcd/0x170 [ 6295.520799][ T10] do_syscall_64+0xc6/0x1e0 [ 6295.520799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.520799][ T10] [ 6295.523411][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6295.523779][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6295.523779][ T10] netdev_get_by_index+0x5e/0x80 [ 6295.523779][ T10] fib6_nh_init+0x3d8/0x1580 [ 6295.523779][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6295.523779][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6295.523779][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6295.523779][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6295.523779][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6295.523779][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6295.523779][ T10] addrconf_dad_begin+0x310/0x670 [ 6295.523779][ T10] addrconf_dad_work+0x10b/0xab0 [ 6295.523779][ T10] process_one_work+0x84d/0x18a0 [ 6295.523779][ T10] worker_thread+0x587/0xd30 [ 6295.523779][ T10] kthread+0x28a/0x350 [ 6295.523779][ T10] ret_from_fork+0x31/0x70 [ 6295.523779][ T10] ret_from_fork_asm+0x1a/0x30 [ 6295.523779][ T10] [ 6295.526792][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6295.526792][ T10] netdev_get_by_index+0x5e/0x80 [ 6295.526792][ T10] fib6_nh_init+0x3d8/0x1580 [ 6295.526792][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6295.526792][ T10] ip6_route_add+0x1c/0x140 [ 6295.526792][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6295.526792][ T10] inet6_addr_add+0x4f8/0xa40 [ 6295.526792][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6295.526792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.526792][ T10] netlink_rcv_skb+0x130/0x360 [ 6295.526792][ T10] netlink_unicast+0x449/0x710 [ 6295.526792][ T10] netlink_sendmsg+0x723/0xbe0 [ 6295.526792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6295.526792][ T10] ___sys_sendmsg+0xee/0x170 [ 6295.526792][ T10] __sys_sendmsg+0xcd/0x170 [ 6295.526792][ T10] do_syscall_64+0xc6/0x1e0 [ 6295.526792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.526792][ T10] [ 6295.529934][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6295.529934][ T10] netdev_get_by_index+0x5e/0x80 [ 6295.529934][ T10] fib6_nh_init+0x3d8/0x1580 [ 6295.529934][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6295.529934][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6295.529934][ T10] ipv6_add_addr+0x411/0x2000 [ 6295.529934][ T10] inet6_addr_add+0x30e/0xa40 [ 6295.529934][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6295.529934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.529934][ T10] netlink_rcv_skb+0x130/0x360 [ 6295.529934][ T10] netlink_unicast+0x449/0x710 [ 6295.529934][ T10] netlink_sendmsg+0x723/0xbe0 [ 6295.529934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6295.529934][ T10] ___sys_sendmsg+0xee/0x170 [ 6295.529934][ T10] __sys_sendmsg+0xcd/0x170 [ 6295.529934][ T10] do_syscall_64+0xc6/0x1e0 [ 6295.529934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.529934][ T10] [ 6295.533071][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6295.533071][ T10] netdev_get_by_index+0x5e/0x80 [ 6295.533071][ T10] fib6_nh_init+0x3d8/0x1580 [ 6295.533071][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6295.533071][ T10] ip6_route_add+0x1c/0x140 [ 6295.533071][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6295.533071][ T10] addrconf_add_dev+0xe2/0x170 [ 6295.533071][ T10] inet6_addr_add+0x12f/0xa40 [ 6295.533071][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6295.533071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.533071][ T10] netlink_rcv_skb+0x130/0x360 [ 6295.533071][ T10] netlink_unicast+0x449/0x710 [ 6295.533071][ T10] netlink_sendmsg+0x723/0xbe0 [ 6295.533071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6295.533071][ T10] ___sys_sendmsg+0xee/0x170 [ 6295.533071][ T10] __sys_sendmsg+0xcd/0x170 [ 6295.533071][ T10] do_syscall_64+0xc6/0x1e0 [ 6295.533071][ T10] [ 6295.536154][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6295.536154][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6295.536154][ T10] ipv6_find_idev+0x102/0x170 [ 6295.536154][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6295.536154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.536154][ T10] netlink_rcv_skb+0x130/0x360 [ 6295.536154][ T10] netlink_unicast+0x449/0x710 [ 6295.536154][ T10] netlink_sendmsg+0x723/0xbe0 [ 6295.536154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6295.536154][ T10] ___sys_sendmsg+0xee/0x170 [ 6295.536154][ T10] __sys_sendmsg+0xcd/0x170 [ 6295.536154][ T10] do_syscall_64+0xc6/0x1e0 [ 6295.536154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.536154][ T10] [ 6295.538566][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6295.538566][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6295.538566][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6295.538566][ T10] ipv6_find_idev+0x102/0x170 [ 6295.538566][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6295.538566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.538566][ T10] netlink_rcv_skb+0x130/0x360 [ 6295.538566][ T10] netlink_unicast+0x449/0x710 [ 6295.538566][ T10] netlink_sendmsg+0x723/0xbe0 [ 6295.538566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6295.538566][ T10] ___sys_sendmsg+0xee/0x170 [ 6295.538566][ T10] __sys_sendmsg+0xcd/0x170 [ 6295.538566][ T10] do_syscall_64+0xc6/0x1e0 [ 6295.538566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.538566][ T10] [ 6295.541219][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6295.541586][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6295.541586][ T10] netdev_get_by_index+0x5e/0x80 [ 6295.541586][ T10] fib6_nh_init+0x3d8/0x1580 [ 6295.541586][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6295.541586][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6295.541586][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6295.541586][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6295.541586][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6295.541586][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6295.541586][ T10] addrconf_dad_begin+0x310/0x670 [ 6295.541586][ T10] addrconf_dad_work+0x10b/0xab0 [ 6295.541586][ T10] process_one_work+0x84d/0x18a0 [ 6295.541586][ T10] worker_thread+0x587/0xd30 [ 6295.541586][ T10] kthread+0x28a/0x350 [ 6295.541586][ T10] ret_from_fork+0x31/0x70 [ 6295.541586][ T10] ret_from_fork_asm+0x1a/0x30 [ 6295.541586][ T10] [ 6295.544605][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6295.544605][ T10] netdev_get_by_index+0x5e/0x80 [ 6295.544605][ T10] fib6_nh_init+0x3d8/0x1580 [ 6295.544605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6295.544605][ T10] ip6_route_add+0x1c/0x140 [ 6295.544605][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6295.544605][ T10] inet6_addr_add+0x4f8/0xa40 [ 6295.544605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6295.544605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.544605][ T10] netlink_rcv_skb+0x130/0x360 [ 6295.544605][ T10] netlink_unicast+0x449/0x710 [ 6295.544605][ T10] netlink_sendmsg+0x723/0xbe0 [ 6295.544605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6295.544605][ T10] ___sys_sendmsg+0xee/0x170 [ 6295.544605][ T10] __sys_sendmsg+0xcd/0x170 [ 6295.544605][ T10] do_syscall_64+0xc6/0x1e0 [ 6295.544605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.544605][ T10] [ 6295.547985][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6295.547985][ T10] netdev_get_by_index+0x5e/0x80 [ 6295.547985][ T10] fib6_nh_init+0x3d8/0x1580 [ 6295.547985][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6295.547985][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6295.547985][ T10] ipv6_add_addr+0x411/0x2000 [ 6295.547985][ T10] inet6_addr_add+0x30e/0xa40 [ 6295.547985][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6295.547985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.547985][ T10] netlink_rcv_skb+0x130/0x360 [ 6295.547985][ T10] netlink_unicast+0x449/0x710 [ 6295.547985][ T10] netlink_sendmsg+0x723/0xbe0 [ 6295.547985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6295.547985][ T10] ___sys_sendmsg+0xee/0x170 [ 6295.547985][ T10] __sys_sendmsg+0xcd/0x170 [ 6295.547985][ T10] do_syscall_64+0xc6/0x1e0 [ 6295.547985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.547985][ T10] [ 6295.551374][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6295.551374][ T10] netdev_get_by_index+0x5e/0x80 [ 6295.551374][ T10] fib6_nh_init+0x3d8/0x1580 [ 6295.551374][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6295.551374][ T10] ip6_route_add+0x1c/0x140 [ 6295.551374][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6295.551374][ T10] addrconf_add_dev+0xe2/0x170 [ 6295.551374][ T10] inet6_addr_add+0x12f/0xa40 [ 6295.551374][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6295.551374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.551374][ T10] netlink_rcv_skb+0x130/0x360 [ 6295.551374][ T10] netlink_unicast+0x449/0x710 [ 6295.551374][ T10] netlink_sendmsg+0x723/0xbe0 [ 6295.551374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6295.551374][ T10] ___sys_sendmsg+0xee/0x170 [ 6295.551374][ T10] __sys_sendmsg+0xcd/0x170 [ 6295.551374][ T10] do_syscall_64+0xc6/0x1e0 [ 6295.551374][ T10] [ 6295.554697][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6295.554697][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6295.554697][ T10] ipv6_find_idev+0x102/0x170 [ 6295.554697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6295.554697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.554697][ T10] netlink_rcv_skb+0x130/0x360 [ 6295.554697][ T10] netlink_unicast+0x449/0x710 [ 6295.554697][ T10] netlink_sendmsg+0x723/0xbe0 [ 6295.554697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6295.554697][ T10] ___sys_sendmsg+0xee/0x170 [ 6295.554697][ T10] __sys_sendmsg+0xcd/0x170 [ 6295.554697][ T10] do_syscall_64+0xc6/0x1e0 [ 6295.554697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.554697][ T10] [ 6295.557366][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6295.557366][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6295.557366][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6295.557366][ T10] ipv6_find_idev+0x102/0x170 [ 6295.557366][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6295.557366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.557366][ T10] netlink_rcv_skb+0x130/0x360 [ 6295.557366][ T10] netlink_unicast+0x449/0x710 [ 6295.557366][ T10] netlink_sendmsg+0x723/0xbe0 [ 6295.557366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6295.557366][ T10] ___sys_sendmsg+0xee/0x170 [ 6295.557366][ T10] __sys_sendmsg+0xcd/0x170 [ 6295.557366][ T10] do_syscall_64+0xc6/0x1e0 [ 6295.557366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.557366][ T10] [ 6295.560144][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6295.560521][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6295.560521][ T10] netdev_get_by_index+0x5e/0x80 [ 6295.560521][ T10] fib6_nh_init+0x3d8/0x1580 [ 6295.560521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6295.560521][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6295.560521][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6295.560521][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6295.560521][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6295.560521][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6295.560521][ T10] addrconf_dad_begin+0x310/0x670 [ 6295.560521][ T10] addrconf_dad_work+0x10b/0xab0 [ 6295.560521][ T10] process_one_work+0x84d/0x18a0 [ 6295.560521][ T10] worker_thread+0x587/0xd30 [ 6295.560521][ T10] kthread+0x28a/0x350 [ 6295.560521][ T10] ret_from_fork+0x31/0x70 [ 6295.560521][ T10] ret_from_fork_asm+0x1a/0x30 [ 6295.560521][ T10] [ 6295.563752][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6295.563752][ T10] netdev_get_by_index+0x5e/0x80 [ 6295.563752][ T10] fib6_nh_init+0x3d8/0x1580 [ 6295.563752][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6295.563752][ T10] ip6_route_add+0x1c/0x140 [ 6295.563752][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6295.563752][ T10] inet6_addr_add+0x4f8/0xa40 [ 6295.563752][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6295.563752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.563752][ T10] netlink_rcv_skb+0x130/0x360 [ 6295.563752][ T10] netlink_unicast+0x449/0x710 [ 6295.563752][ T10] netlink_sendmsg+0x723/0xbe0 [ 6295.563752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6295.563752][ T10] ___sys_sendmsg+0xee/0x170 [ 6295.563752][ T10] __sys_sendmsg+0xcd/0x170 [ 6295.563752][ T10] do_syscall_64+0xc6/0x1e0 [ 6295.563752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.563752][ T10] [ 6295.567141][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6295.567141][ T10] netdev_get_by_index+0x5e/0x80 [ 6295.567141][ T10] fib6_nh_init+0x3d8/0x1580 [ 6295.567141][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6295.567141][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6295.567141][ T10] ipv6_add_addr+0x411/0x2000 [ 6295.567141][ T10] inet6_addr_add+0x30e/0xa40 [ 6295.567141][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6295.567141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.567141][ T10] netlink_rcv_skb+0x130/0x360 [ 6295.567141][ T10] netlink_unicast+0x449/0x710 [ 6295.567141][ T10] netlink_sendmsg+0x723/0xbe0 [ 6295.567141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6295.567141][ T10] ___sys_sendmsg+0xee/0x170 [ 6295.567141][ T10] __sys_sendmsg+0xcd/0x170 [ 6295.567141][ T10] do_syscall_64+0xc6/0x1e0 [ 6295.567141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.567141][ T10] [ 6295.570524][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6295.570524][ T10] netdev_get_by_index+0x5e/0x80 [ 6295.570524][ T10] fib6_nh_init+0x3d8/0x1580 [ 6295.570524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6295.570524][ T10] ip6_route_add+0x1c/0x140 [ 6295.570524][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6295.570524][ T10] addrconf_add_dev+0xe2/0x170 [ 6295.570524][ T10] inet6_addr_add+0x12f/0xa40 [ 6295.570524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6295.570524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.570524][ T10] netlink_rcv_skb+0x130/0x360 [ 6295.570524][ T10] netlink_unicast+0x449/0x710 [ 6295.570524][ T10] netlink_sendmsg+0x723/0xbe0 [ 6295.570524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6295.570524][ T10] ___sys_sendmsg+0xee/0x170 [ 6295.570524][ T10] __sys_sendmsg+0xcd/0x170 [ 6295.570524][ T10] do_syscall_64+0xc6/0x1e0 [ 6295.570524][ T10] [ 6295.573863][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6295.573863][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6295.573863][ T10] ipv6_find_idev+0x102/0x170 [ 6295.573863][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6295.573863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.573863][ T10] netlink_rcv_skb+0x130/0x360 [ 6295.573863][ T10] netlink_unicast+0x449/0x710 [ 6295.573863][ T10] netlink_sendmsg+0x723/0xbe0 [ 6295.573863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6295.573863][ T10] ___sys_sendmsg+0xee/0x170 [ 6295.573863][ T10] __sys_sendmsg+0xcd/0x170 [ 6295.573863][ T10] do_syscall_64+0xc6/0x1e0 [ 6295.573863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.573863][ T10] [ 6295.576396][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6295.576396][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6295.576396][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6295.576396][ T10] ipv6_find_idev+0x102/0x170 [ 6295.576396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6295.576396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6295.576396][ T10] netlink_rcv_skb+0x130/0x360 [ 6295.576396][ T10] netlink_unicast+0x449/0x710 [ 6295.576396][ T10] netlink_sendmsg+0x723/0xbe0 [ 6295.576396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6295.576396][ T10] ___sys_sendmsg+0xee/0x170 [ 6295.576396][ T10] __sys_sendmsg+0xcd/0x170 [ 6295.576396][ T10] do_syscall_64+0xc6/0x1e0 [ 6295.576396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6295.576396][ T10] [ 6303.713110][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6303.713654][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6303.713654][ T1167] dst_init+0x84/0x4a0 [ 6303.713654][ T1167] dst_alloc+0x97/0x150 [ 6303.713654][ T1167] ip6_dst_alloc+0x23/0x90 [ 6303.713654][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6303.713654][ T1167] ip6_pol_route+0x56f/0x840 [ 6303.713654][ T1167] fib6_rule_lookup+0x334/0x630 [ 6303.713654][ T1167] ip6_route_output_flags+0x259/0x480 [ 6303.713654][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6303.713654][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6303.713654][ T1167] netlink_rcv_skb+0x130/0x360 [ 6303.713654][ T1167] netlink_unicast+0x449/0x710 [ 6303.713654][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6303.713654][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6303.713654][ T1167] ___sys_sendmsg+0xee/0x170 [ 6303.713654][ T1167] __sys_sendmsg+0xcd/0x170 [ 6303.713654][ T1167] do_syscall_64+0xc6/0x1e0 [ 6303.713654][ T1167] [ 6303.716131][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6303.716131][ T1167] netdev_get_by_index+0x5e/0x80 [ 6303.716131][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6303.716131][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6303.716131][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6303.716131][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6303.716131][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6303.716131][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6303.716131][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6303.716131][ T1167] addrconf_dad_begin+0x310/0x670 [ 6303.716131][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6303.716131][ T1167] process_one_work+0x84d/0x18a0 [ 6303.716131][ T1167] worker_thread+0x587/0xd30 [ 6303.716131][ T1167] kthread+0x28a/0x350 [ 6303.716131][ T1167] ret_from_fork+0x31/0x70 [ 6303.716131][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6303.716131][ T1167] [ 6303.718530][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6303.718530][ T1167] netdev_get_by_index+0x5e/0x80 [ 6303.718530][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6303.718530][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6303.718530][ T1167] ip6_route_add+0x1c/0x140 [ 6303.718530][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6303.718530][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6303.718530][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6303.718530][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6303.718530][ T1167] netlink_rcv_skb+0x130/0x360 [ 6303.718530][ T1167] netlink_unicast+0x449/0x710 [ 6303.718530][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6303.718530][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6303.718530][ T1167] ___sys_sendmsg+0xee/0x170 [ 6303.718530][ T1167] __sys_sendmsg+0xcd/0x170 [ 6303.718530][ T1167] do_syscall_64+0xc6/0x1e0 [ 6303.718530][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6303.718530][ T1167] [ 6303.721014][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6303.721014][ T1167] netdev_get_by_index+0x5e/0x80 [ 6303.721014][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6303.721014][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6303.721014][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6303.721014][ T1167] ipv6_add_addr+0x411/0x2000 [ 6303.721014][ T1167] inet6_addr_add+0x30e/0xa40 [ 6303.721014][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6303.721014][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6303.721014][ T1167] netlink_rcv_skb+0x130/0x360 [ 6303.721014][ T1167] netlink_unicast+0x449/0x710 [ 6303.721014][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6303.721014][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6303.721014][ T1167] ___sys_sendmsg+0xee/0x170 [ 6303.721014][ T1167] __sys_sendmsg+0xcd/0x170 [ 6303.721014][ T1167] do_syscall_64+0xc6/0x1e0 [ 6303.721014][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6303.721014][ T1167] [ 6303.723506][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6303.723506][ T1167] netdev_get_by_index+0x5e/0x80 [ 6303.723506][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6303.723506][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6303.723506][ T1167] ip6_route_add+0x1c/0x140 [ 6303.723506][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6303.723506][ T1167] addrconf_add_dev+0xe2/0x170 [ 6303.723506][ T1167] inet6_addr_add+0x12f/0xa40 [ 6303.723506][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6303.723506][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6303.723506][ T1167] netlink_rcv_skb+0x130/0x360 [ 6303.723506][ T1167] netlink_unicast+0x449/0x710 [ 6303.723506][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6303.723506][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6303.723506][ T1167] ___sys_sendmsg+0xee/0x170 [ 6303.723506][ T1167] __sys_sendmsg+0xcd/0x170 [ 6303.723506][ T1167] do_syscall_64+0xc6/0x1e0 [ 6303.723506][ T1167] [ 6303.725943][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6303.725943][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6303.725943][ T1167] ipv6_find_idev+0x102/0x170 [ 6303.725943][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6303.725943][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6303.725943][ T1167] netlink_rcv_skb+0x130/0x360 [ 6303.725943][ T1167] netlink_unicast+0x449/0x710 [ 6303.725943][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6303.725943][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6303.725943][ T1167] ___sys_sendmsg+0xee/0x170 [ 6303.725943][ T1167] __sys_sendmsg+0xcd/0x170 [ 6303.725943][ T1167] do_syscall_64+0xc6/0x1e0 [ 6303.725943][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6303.725943][ T1167] [ 6303.727901][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6303.727901][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6303.727901][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6303.727901][ T1167] ipv6_find_idev+0x102/0x170 [ 6303.727901][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6303.727901][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6303.727901][ T1167] netlink_rcv_skb+0x130/0x360 [ 6303.727901][ T1167] netlink_unicast+0x449/0x710 [ 6303.727901][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6303.727901][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6303.727901][ T1167] ___sys_sendmsg+0xee/0x170 [ 6303.727901][ T1167] __sys_sendmsg+0xcd/0x170 [ 6303.727901][ T1167] do_syscall_64+0xc6/0x1e0 [ 6303.727901][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6303.727901][ T1167] [ 6305.761125][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6305.761552][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6305.761552][ T10] netdev_get_by_index+0x5e/0x80 [ 6305.761552][ T10] fib6_nh_init+0x3d8/0x1580 [ 6305.761552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6305.761552][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6305.761552][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6305.761552][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6305.761552][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6305.761552][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6305.761552][ T10] addrconf_dad_begin+0x310/0x670 [ 6305.761552][ T10] addrconf_dad_work+0x10b/0xab0 [ 6305.761552][ T10] process_one_work+0x84d/0x18a0 [ 6305.761552][ T10] worker_thread+0x587/0xd30 [ 6305.761552][ T10] kthread+0x28a/0x350 [ 6305.761552][ T10] ret_from_fork+0x31/0x70 [ 6305.761552][ T10] ret_from_fork_asm+0x1a/0x30 [ 6305.761552][ T10] [ 6305.763484][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6305.763484][ T10] netdev_get_by_index+0x5e/0x80 [ 6305.763484][ T10] fib6_nh_init+0x3d8/0x1580 [ 6305.763484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6305.763484][ T10] ip6_route_add+0x1c/0x140 [ 6305.763484][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6305.763484][ T10] inet6_addr_add+0x4f8/0xa40 [ 6305.763484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6305.763484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.763484][ T10] netlink_rcv_skb+0x130/0x360 [ 6305.763484][ T10] netlink_unicast+0x449/0x710 [ 6305.763484][ T10] netlink_sendmsg+0x723/0xbe0 [ 6305.763484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6305.763484][ T10] ___sys_sendmsg+0xee/0x170 [ 6305.763484][ T10] __sys_sendmsg+0xcd/0x170 [ 6305.763484][ T10] do_syscall_64+0xc6/0x1e0 [ 6305.763484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.763484][ T10] [ 6305.765504][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6305.765504][ T10] netdev_get_by_index+0x5e/0x80 [ 6305.765504][ T10] fib6_nh_init+0x3d8/0x1580 [ 6305.765504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6305.765504][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6305.765504][ T10] ipv6_add_addr+0x411/0x2000 [ 6305.765504][ T10] inet6_addr_add+0x30e/0xa40 [ 6305.765504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6305.765504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.765504][ T10] netlink_rcv_skb+0x130/0x360 [ 6305.765504][ T10] netlink_unicast+0x449/0x710 [ 6305.765504][ T10] netlink_sendmsg+0x723/0xbe0 [ 6305.765504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6305.765504][ T10] ___sys_sendmsg+0xee/0x170 [ 6305.765504][ T10] __sys_sendmsg+0xcd/0x170 [ 6305.765504][ T10] do_syscall_64+0xc6/0x1e0 [ 6305.765504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.765504][ T10] [ 6305.767486][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6305.767486][ T10] netdev_get_by_index+0x5e/0x80 [ 6305.767486][ T10] fib6_nh_init+0x3d8/0x1580 [ 6305.767486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6305.767486][ T10] ip6_route_add+0x1c/0x140 [ 6305.767486][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6305.767486][ T10] addrconf_add_dev+0xe2/0x170 [ 6305.767486][ T10] inet6_addr_add+0x12f/0xa40 [ 6305.767486][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6305.767486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.767486][ T10] netlink_rcv_skb+0x130/0x360 [ 6305.767486][ T10] netlink_unicast+0x449/0x710 [ 6305.767486][ T10] netlink_sendmsg+0x723/0xbe0 [ 6305.767486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6305.767486][ T10] ___sys_sendmsg+0xee/0x170 [ 6305.767486][ T10] __sys_sendmsg+0xcd/0x170 [ 6305.767486][ T10] do_syscall_64+0xc6/0x1e0 [ 6305.767486][ T10] [ 6305.769471][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6305.769471][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6305.769471][ T10] ipv6_find_idev+0x102/0x170 [ 6305.769471][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6305.769471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.769471][ T10] netlink_rcv_skb+0x130/0x360 [ 6305.769471][ T10] netlink_unicast+0x449/0x710 [ 6305.769471][ T10] netlink_sendmsg+0x723/0xbe0 [ 6305.769471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6305.769471][ T10] ___sys_sendmsg+0xee/0x170 [ 6305.769471][ T10] __sys_sendmsg+0xcd/0x170 [ 6305.769471][ T10] do_syscall_64+0xc6/0x1e0 [ 6305.769471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.769471][ T10] [ 6305.771006][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6305.771006][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6305.771006][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6305.771006][ T10] ipv6_find_idev+0x102/0x170 [ 6305.771006][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6305.771006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.771006][ T10] netlink_rcv_skb+0x130/0x360 [ 6305.771006][ T10] netlink_unicast+0x449/0x710 [ 6305.771006][ T10] netlink_sendmsg+0x723/0xbe0 [ 6305.771006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6305.771006][ T10] ___sys_sendmsg+0xee/0x170 [ 6305.771006][ T10] __sys_sendmsg+0xcd/0x170 [ 6305.771006][ T10] do_syscall_64+0xc6/0x1e0 [ 6305.771006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.771006][ T10] [ 6305.772686][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6305.772924][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6305.772924][ T10] netdev_get_by_index+0x5e/0x80 [ 6305.772924][ T10] fib6_nh_init+0x3d8/0x1580 [ 6305.772924][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6305.772924][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6305.772924][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6305.772924][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6305.772924][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6305.772924][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6305.772924][ T10] addrconf_dad_begin+0x310/0x670 [ 6305.772924][ T10] addrconf_dad_work+0x10b/0xab0 [ 6305.772924][ T10] process_one_work+0x84d/0x18a0 [ 6305.772924][ T10] worker_thread+0x587/0xd30 [ 6305.772924][ T10] kthread+0x28a/0x350 [ 6305.772924][ T10] ret_from_fork+0x31/0x70 [ 6305.772924][ T10] ret_from_fork_asm+0x1a/0x30 [ 6305.772924][ T10] [ 6305.774839][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6305.774839][ T10] netdev_get_by_index+0x5e/0x80 [ 6305.774839][ T10] fib6_nh_init+0x3d8/0x1580 [ 6305.774839][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6305.774839][ T10] ip6_route_add+0x1c/0x140 [ 6305.774839][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6305.774839][ T10] inet6_addr_add+0x4f8/0xa40 [ 6305.774839][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6305.774839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.774839][ T10] netlink_rcv_skb+0x130/0x360 [ 6305.774839][ T10] netlink_unicast+0x449/0x710 [ 6305.774839][ T10] netlink_sendmsg+0x723/0xbe0 [ 6305.774839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6305.774839][ T10] ___sys_sendmsg+0xee/0x170 [ 6305.774839][ T10] __sys_sendmsg+0xcd/0x170 [ 6305.774839][ T10] do_syscall_64+0xc6/0x1e0 [ 6305.774839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.774839][ T10] [ 6305.776823][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6305.776823][ T10] netdev_get_by_index+0x5e/0x80 [ 6305.776823][ T10] fib6_nh_init+0x3d8/0x1580 [ 6305.776823][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6305.776823][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6305.776823][ T10] ipv6_add_addr+0x411/0x2000 [ 6305.776823][ T10] inet6_addr_add+0x30e/0xa40 [ 6305.776823][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6305.776823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.776823][ T10] netlink_rcv_skb+0x130/0x360 [ 6305.776823][ T10] netlink_unicast+0x449/0x710 [ 6305.776823][ T10] netlink_sendmsg+0x723/0xbe0 [ 6305.776823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6305.776823][ T10] ___sys_sendmsg+0xee/0x170 [ 6305.776823][ T10] __sys_sendmsg+0xcd/0x170 [ 6305.776823][ T10] do_syscall_64+0xc6/0x1e0 [ 6305.776823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.776823][ T10] [ 6305.778949][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6305.778949][ T10] netdev_get_by_index+0x5e/0x80 [ 6305.778949][ T10] fib6_nh_init+0x3d8/0x1580 [ 6305.778949][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6305.778949][ T10] ip6_route_add+0x1c/0x140 [ 6305.778949][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6305.778949][ T10] addrconf_add_dev+0xe2/0x170 [ 6305.778949][ T10] inet6_addr_add+0x12f/0xa40 [ 6305.778949][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6305.778949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.778949][ T10] netlink_rcv_skb+0x130/0x360 [ 6305.778949][ T10] netlink_unicast+0x449/0x710 [ 6305.778949][ T10] netlink_sendmsg+0x723/0xbe0 [ 6305.778949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6305.778949][ T10] ___sys_sendmsg+0xee/0x170 [ 6305.778949][ T10] __sys_sendmsg+0xcd/0x170 [ 6305.778949][ T10] do_syscall_64+0xc6/0x1e0 [ 6305.778949][ T10] [ 6305.780906][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6305.780906][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6305.780906][ T10] ipv6_find_idev+0x102/0x170 [ 6305.780906][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6305.780906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.780906][ T10] netlink_rcv_skb+0x130/0x360 [ 6305.780906][ T10] netlink_unicast+0x449/0x710 [ 6305.780906][ T10] netlink_sendmsg+0x723/0xbe0 [ 6305.780906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6305.780906][ T10] ___sys_sendmsg+0xee/0x170 [ 6305.780906][ T10] __sys_sendmsg+0xcd/0x170 [ 6305.780906][ T10] do_syscall_64+0xc6/0x1e0 [ 6305.780906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.780906][ T10] [ 6305.782451][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6305.782451][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6305.782451][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6305.782451][ T10] ipv6_find_idev+0x102/0x170 [ 6305.782451][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6305.782451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.782451][ T10] netlink_rcv_skb+0x130/0x360 [ 6305.782451][ T10] netlink_unicast+0x449/0x710 [ 6305.782451][ T10] netlink_sendmsg+0x723/0xbe0 [ 6305.782451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6305.782451][ T10] ___sys_sendmsg+0xee/0x170 [ 6305.782451][ T10] __sys_sendmsg+0xcd/0x170 [ 6305.782451][ T10] do_syscall_64+0xc6/0x1e0 [ 6305.782451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.782451][ T10] [ 6305.784139][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6305.784375][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6305.784375][ T10] netdev_get_by_index+0x5e/0x80 [ 6305.784375][ T10] fib6_nh_init+0x3d8/0x1580 [ 6305.784375][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6305.784375][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6305.784375][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6305.784375][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6305.784375][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6305.784375][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6305.784375][ T10] addrconf_dad_begin+0x310/0x670 [ 6305.784375][ T10] addrconf_dad_work+0x10b/0xab0 [ 6305.784375][ T10] process_one_work+0x84d/0x18a0 [ 6305.784375][ T10] worker_thread+0x587/0xd30 [ 6305.784375][ T10] kthread+0x28a/0x350 [ 6305.784375][ T10] ret_from_fork+0x31/0x70 [ 6305.784375][ T10] ret_from_fork_asm+0x1a/0x30 [ 6305.784375][ T10] [ 6305.786273][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6305.786273][ T10] netdev_get_by_index+0x5e/0x80 [ 6305.786273][ T10] fib6_nh_init+0x3d8/0x1580 [ 6305.786273][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6305.786273][ T10] ip6_route_add+0x1c/0x140 [ 6305.786273][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6305.786273][ T10] inet6_addr_add+0x4f8/0xa40 [ 6305.786273][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6305.786273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.786273][ T10] netlink_rcv_skb+0x130/0x360 [ 6305.786273][ T10] netlink_unicast+0x449/0x710 [ 6305.786273][ T10] netlink_sendmsg+0x723/0xbe0 [ 6305.786273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6305.786273][ T10] ___sys_sendmsg+0xee/0x170 [ 6305.786273][ T10] __sys_sendmsg+0xcd/0x170 [ 6305.786273][ T10] do_syscall_64+0xc6/0x1e0 [ 6305.786273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.786273][ T10] [ 6305.788584][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6305.788584][ T10] netdev_get_by_index+0x5e/0x80 [ 6305.788584][ T10] fib6_nh_init+0x3d8/0x1580 [ 6305.788584][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6305.788584][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6305.788584][ T10] ipv6_add_addr+0x411/0x2000 [ 6305.788584][ T10] inet6_addr_add+0x30e/0xa40 [ 6305.788584][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6305.788584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.788584][ T10] netlink_rcv_skb+0x130/0x360 [ 6305.788584][ T10] netlink_unicast+0x449/0x710 [ 6305.788584][ T10] netlink_sendmsg+0x723/0xbe0 [ 6305.788584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6305.788584][ T10] ___sys_sendmsg+0xee/0x170 [ 6305.788584][ T10] __sys_sendmsg+0xcd/0x170 [ 6305.788584][ T10] do_syscall_64+0xc6/0x1e0 [ 6305.788584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.788584][ T10] [ 6305.790826][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6305.790826][ T10] netdev_get_by_index+0x5e/0x80 [ 6305.790826][ T10] fib6_nh_init+0x3d8/0x1580 [ 6305.790826][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6305.790826][ T10] ip6_route_add+0x1c/0x140 [ 6305.790826][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6305.790826][ T10] addrconf_add_dev+0xe2/0x170 [ 6305.790826][ T10] inet6_addr_add+0x12f/0xa40 [ 6305.790826][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6305.790826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.790826][ T10] netlink_rcv_skb+0x130/0x360 [ 6305.790826][ T10] netlink_unicast+0x449/0x710 [ 6305.790826][ T10] netlink_sendmsg+0x723/0xbe0 [ 6305.790826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6305.790826][ T10] ___sys_sendmsg+0xee/0x170 [ 6305.790826][ T10] __sys_sendmsg+0xcd/0x170 [ 6305.790826][ T10] do_syscall_64+0xc6/0x1e0 [ 6305.790826][ T10] [ 6305.792955][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6305.792955][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6305.792955][ T10] ipv6_find_idev+0x102/0x170 [ 6305.792955][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6305.792955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.792955][ T10] netlink_rcv_skb+0x130/0x360 [ 6305.792955][ T10] netlink_unicast+0x449/0x710 [ 6305.792955][ T10] netlink_sendmsg+0x723/0xbe0 [ 6305.792955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6305.792955][ T10] ___sys_sendmsg+0xee/0x170 [ 6305.792955][ T10] __sys_sendmsg+0xcd/0x170 [ 6305.792955][ T10] do_syscall_64+0xc6/0x1e0 [ 6305.792955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.792955][ T10] [ 6305.794671][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6305.794671][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6305.794671][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6305.794671][ T10] ipv6_find_idev+0x102/0x170 [ 6305.794671][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6305.794671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.794671][ T10] netlink_rcv_skb+0x130/0x360 [ 6305.794671][ T10] netlink_unicast+0x449/0x710 [ 6305.794671][ T10] netlink_sendmsg+0x723/0xbe0 [ 6305.794671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6305.794671][ T10] ___sys_sendmsg+0xee/0x170 [ 6305.794671][ T10] __sys_sendmsg+0xcd/0x170 [ 6305.794671][ T10] do_syscall_64+0xc6/0x1e0 [ 6305.794671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.794671][ T10] [ 6305.796614][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6305.796857][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6305.796857][ T10] netdev_get_by_index+0x5e/0x80 [ 6305.796857][ T10] fib6_nh_init+0x3d8/0x1580 [ 6305.796857][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6305.796857][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6305.796857][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6305.796857][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6305.796857][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6305.796857][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6305.796857][ T10] addrconf_dad_begin+0x310/0x670 [ 6305.796857][ T10] addrconf_dad_work+0x10b/0xab0 [ 6305.796857][ T10] process_one_work+0x84d/0x18a0 [ 6305.796857][ T10] worker_thread+0x587/0xd30 [ 6305.796857][ T10] kthread+0x28a/0x350 [ 6305.796857][ T10] ret_from_fork+0x31/0x70 [ 6305.796857][ T10] ret_from_fork_asm+0x1a/0x30 [ 6305.796857][ T10] [ 6305.799054][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6305.799054][ T10] netdev_get_by_index+0x5e/0x80 [ 6305.799054][ T10] fib6_nh_init+0x3d8/0x1580 [ 6305.799054][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6305.799054][ T10] ip6_route_add+0x1c/0x140 [ 6305.799054][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6305.799054][ T10] inet6_addr_add+0x4f8/0xa40 [ 6305.799054][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6305.799054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.799054][ T10] netlink_rcv_skb+0x130/0x360 [ 6305.799054][ T10] netlink_unicast+0x449/0x710 [ 6305.799054][ T10] netlink_sendmsg+0x723/0xbe0 [ 6305.799054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6305.799054][ T10] ___sys_sendmsg+0xee/0x170 [ 6305.799054][ T10] __sys_sendmsg+0xcd/0x170 [ 6305.799054][ T10] do_syscall_64+0xc6/0x1e0 [ 6305.799054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.799054][ T10] [ 6305.801230][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6305.801230][ T10] netdev_get_by_index+0x5e/0x80 [ 6305.801230][ T10] fib6_nh_init+0x3d8/0x1580 [ 6305.801230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6305.801230][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6305.801230][ T10] ipv6_add_addr+0x411/0x2000 [ 6305.801230][ T10] inet6_addr_add+0x30e/0xa40 [ 6305.801230][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6305.801230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.801230][ T10] netlink_rcv_skb+0x130/0x360 [ 6305.801230][ T10] netlink_unicast+0x449/0x710 [ 6305.801230][ T10] netlink_sendmsg+0x723/0xbe0 [ 6305.801230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6305.801230][ T10] ___sys_sendmsg+0xee/0x170 [ 6305.801230][ T10] __sys_sendmsg+0xcd/0x170 [ 6305.801230][ T10] do_syscall_64+0xc6/0x1e0 [ 6305.801230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.801230][ T10] [ 6305.803445][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6305.803445][ T10] netdev_get_by_index+0x5e/0x80 [ 6305.803445][ T10] fib6_nh_init+0x3d8/0x1580 [ 6305.803445][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6305.803445][ T10] ip6_route_add+0x1c/0x140 [ 6305.803445][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6305.803445][ T10] addrconf_add_dev+0xe2/0x170 [ 6305.803445][ T10] inet6_addr_add+0x12f/0xa40 [ 6305.803445][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6305.803445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.803445][ T10] netlink_rcv_skb+0x130/0x360 [ 6305.803445][ T10] netlink_unicast+0x449/0x710 [ 6305.803445][ T10] netlink_sendmsg+0x723/0xbe0 [ 6305.803445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6305.803445][ T10] ___sys_sendmsg+0xee/0x170 [ 6305.803445][ T10] __sys_sendmsg+0xcd/0x170 [ 6305.803445][ T10] do_syscall_64+0xc6/0x1e0 [ 6305.803445][ T10] [ 6305.805623][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6305.805623][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6305.805623][ T10] ipv6_find_idev+0x102/0x170 [ 6305.805623][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6305.805623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.805623][ T10] netlink_rcv_skb+0x130/0x360 [ 6305.805623][ T10] netlink_unicast+0x449/0x710 [ 6305.805623][ T10] netlink_sendmsg+0x723/0xbe0 [ 6305.805623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6305.805623][ T10] ___sys_sendmsg+0xee/0x170 [ 6305.805623][ T10] __sys_sendmsg+0xcd/0x170 [ 6305.805623][ T10] do_syscall_64+0xc6/0x1e0 [ 6305.805623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.805623][ T10] [ 6305.807384][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6305.807384][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6305.807384][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6305.807384][ T10] ipv6_find_idev+0x102/0x170 [ 6305.807384][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6305.807384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6305.807384][ T10] netlink_rcv_skb+0x130/0x360 [ 6305.807384][ T10] netlink_unicast+0x449/0x710 [ 6305.807384][ T10] netlink_sendmsg+0x723/0xbe0 [ 6305.807384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6305.807384][ T10] ___sys_sendmsg+0xee/0x170 [ 6305.807384][ T10] __sys_sendmsg+0xcd/0x170 [ 6305.807384][ T10] do_syscall_64+0xc6/0x1e0 [ 6305.807384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6305.807384][ T10] [ 6313.977101][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6313.977631][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6313.977631][ T1167] dst_init+0x84/0x4a0 [ 6313.977631][ T1167] dst_alloc+0x97/0x150 [ 6313.977631][ T1167] ip6_dst_alloc+0x23/0x90 [ 6313.977631][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6313.977631][ T1167] ip6_pol_route+0x56f/0x840 [ 6313.977631][ T1167] fib6_rule_lookup+0x334/0x630 [ 6313.977631][ T1167] ip6_route_output_flags+0x259/0x480 [ 6313.977631][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6313.977631][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6313.977631][ T1167] netlink_rcv_skb+0x130/0x360 [ 6313.977631][ T1167] netlink_unicast+0x449/0x710 [ 6313.977631][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6313.977631][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6313.977631][ T1167] ___sys_sendmsg+0xee/0x170 [ 6313.977631][ T1167] __sys_sendmsg+0xcd/0x170 [ 6313.977631][ T1167] do_syscall_64+0xc6/0x1e0 [ 6313.977631][ T1167] [ 6313.980034][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6313.980034][ T1167] netdev_get_by_index+0x5e/0x80 [ 6313.980034][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6313.980034][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6313.980034][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6313.980034][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6313.980034][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6313.980034][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6313.980034][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6313.980034][ T1167] addrconf_dad_begin+0x310/0x670 [ 6313.980034][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6313.980034][ T1167] process_one_work+0x84d/0x18a0 [ 6313.980034][ T1167] worker_thread+0x587/0xd30 [ 6313.980034][ T1167] kthread+0x28a/0x350 [ 6313.980034][ T1167] ret_from_fork+0x31/0x70 [ 6313.980034][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6313.980034][ T1167] [ 6313.982211][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6313.982211][ T1167] netdev_get_by_index+0x5e/0x80 [ 6313.982211][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6313.982211][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6313.982211][ T1167] ip6_route_add+0x1c/0x140 [ 6313.982211][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6313.982211][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6313.982211][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6313.982211][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6313.982211][ T1167] netlink_rcv_skb+0x130/0x360 [ 6313.982211][ T1167] netlink_unicast+0x449/0x710 [ 6313.982211][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6313.982211][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6313.982211][ T1167] ___sys_sendmsg+0xee/0x170 [ 6313.982211][ T1167] __sys_sendmsg+0xcd/0x170 [ 6313.982211][ T1167] do_syscall_64+0xc6/0x1e0 [ 6313.982211][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6313.982211][ T1167] [ 6313.984491][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6313.984491][ T1167] netdev_get_by_index+0x5e/0x80 [ 6313.984491][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6313.984491][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6313.984491][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6313.984491][ T1167] ipv6_add_addr+0x411/0x2000 [ 6313.984491][ T1167] inet6_addr_add+0x30e/0xa40 [ 6313.984491][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6313.984491][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6313.984491][ T1167] netlink_rcv_skb+0x130/0x360 [ 6313.984491][ T1167] netlink_unicast+0x449/0x710 [ 6313.984491][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6313.984491][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6313.984491][ T1167] ___sys_sendmsg+0xee/0x170 [ 6313.984491][ T1167] __sys_sendmsg+0xcd/0x170 [ 6313.984491][ T1167] do_syscall_64+0xc6/0x1e0 [ 6313.984491][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6313.984491][ T1167] [ 6313.986772][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6313.986772][ T1167] netdev_get_by_index+0x5e/0x80 [ 6313.986772][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6313.986772][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6313.986772][ T1167] ip6_route_add+0x1c/0x140 [ 6313.986772][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6313.986772][ T1167] addrconf_add_dev+0xe2/0x170 [ 6313.986772][ T1167] inet6_addr_add+0x12f/0xa40 [ 6313.986772][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6313.986772][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6313.986772][ T1167] netlink_rcv_skb+0x130/0x360 [ 6313.986772][ T1167] netlink_unicast+0x449/0x710 [ 6313.986772][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6313.986772][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6313.986772][ T1167] ___sys_sendmsg+0xee/0x170 [ 6313.986772][ T1167] __sys_sendmsg+0xcd/0x170 [ 6313.986772][ T1167] do_syscall_64+0xc6/0x1e0 [ 6313.986772][ T1167] [ 6313.989010][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6313.989010][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6313.989010][ T1167] ipv6_find_idev+0x102/0x170 [ 6313.989010][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6313.989010][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6313.989010][ T1167] netlink_rcv_skb+0x130/0x360 [ 6313.989010][ T1167] netlink_unicast+0x449/0x710 [ 6313.989010][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6313.989010][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6313.989010][ T1167] ___sys_sendmsg+0xee/0x170 [ 6313.989010][ T1167] __sys_sendmsg+0xcd/0x170 [ 6313.989010][ T1167] do_syscall_64+0xc6/0x1e0 [ 6313.989010][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6313.989010][ T1167] [ 6313.990757][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6313.990757][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6313.990757][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6313.990757][ T1167] ipv6_find_idev+0x102/0x170 [ 6313.990757][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6313.990757][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6313.990757][ T1167] netlink_rcv_skb+0x130/0x360 [ 6313.990757][ T1167] netlink_unicast+0x449/0x710 [ 6313.990757][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6313.990757][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6313.990757][ T1167] ___sys_sendmsg+0xee/0x170 [ 6313.990757][ T1167] __sys_sendmsg+0xcd/0x170 [ 6313.990757][ T1167] do_syscall_64+0xc6/0x1e0 [ 6313.990757][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6313.990757][ T1167] [ 6316.049050][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6316.049516][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6316.049516][ T10] netdev_get_by_index+0x5e/0x80 [ 6316.049516][ T10] fib6_nh_init+0x3d8/0x1580 [ 6316.049516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6316.049516][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6316.049516][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6316.049516][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6316.049516][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6316.049516][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6316.049516][ T10] addrconf_dad_begin+0x310/0x670 [ 6316.049516][ T10] addrconf_dad_work+0x10b/0xab0 [ 6316.049516][ T10] process_one_work+0x84d/0x18a0 [ 6316.049516][ T10] worker_thread+0x587/0xd30 [ 6316.049516][ T10] kthread+0x28a/0x350 [ 6316.049516][ T10] ret_from_fork+0x31/0x70 [ 6316.049516][ T10] ret_from_fork_asm+0x1a/0x30 [ 6316.049516][ T10] [ 6316.051641][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6316.051641][ T10] netdev_get_by_index+0x5e/0x80 [ 6316.051641][ T10] fib6_nh_init+0x3d8/0x1580 [ 6316.051641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6316.051641][ T10] ip6_route_add+0x1c/0x140 [ 6316.051641][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6316.051641][ T10] inet6_addr_add+0x4f8/0xa40 [ 6316.051641][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6316.051641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.051641][ T10] netlink_rcv_skb+0x130/0x360 [ 6316.051641][ T10] netlink_unicast+0x449/0x710 [ 6316.051641][ T10] netlink_sendmsg+0x723/0xbe0 [ 6316.051641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6316.051641][ T10] ___sys_sendmsg+0xee/0x170 [ 6316.051641][ T10] __sys_sendmsg+0xcd/0x170 [ 6316.051641][ T10] do_syscall_64+0xc6/0x1e0 [ 6316.051641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.051641][ T10] [ 6316.053835][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6316.053835][ T10] netdev_get_by_index+0x5e/0x80 [ 6316.053835][ T10] fib6_nh_init+0x3d8/0x1580 [ 6316.053835][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6316.053835][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6316.053835][ T10] ipv6_add_addr+0x411/0x2000 [ 6316.053835][ T10] inet6_addr_add+0x30e/0xa40 [ 6316.053835][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6316.053835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.053835][ T10] netlink_rcv_skb+0x130/0x360 [ 6316.053835][ T10] netlink_unicast+0x449/0x710 [ 6316.053835][ T10] netlink_sendmsg+0x723/0xbe0 [ 6316.053835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6316.053835][ T10] ___sys_sendmsg+0xee/0x170 [ 6316.053835][ T10] __sys_sendmsg+0xcd/0x170 [ 6316.053835][ T10] do_syscall_64+0xc6/0x1e0 [ 6316.053835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.053835][ T10] [ 6316.056044][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6316.056044][ T10] netdev_get_by_index+0x5e/0x80 [ 6316.056044][ T10] fib6_nh_init+0x3d8/0x1580 [ 6316.056044][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6316.056044][ T10] ip6_route_add+0x1c/0x140 [ 6316.056044][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6316.056044][ T10] addrconf_add_dev+0xe2/0x170 [ 6316.056044][ T10] inet6_addr_add+0x12f/0xa40 [ 6316.056044][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6316.056044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.056044][ T10] netlink_rcv_skb+0x130/0x360 [ 6316.056044][ T10] netlink_unicast+0x449/0x710 [ 6316.056044][ T10] netlink_sendmsg+0x723/0xbe0 [ 6316.056044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6316.056044][ T10] ___sys_sendmsg+0xee/0x170 [ 6316.056044][ T10] __sys_sendmsg+0xcd/0x170 [ 6316.056044][ T10] do_syscall_64+0xc6/0x1e0 [ 6316.056044][ T10] [ 6316.058224][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6316.058224][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6316.058224][ T10] ipv6_find_idev+0x102/0x170 [ 6316.058224][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6316.058224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.058224][ T10] netlink_rcv_skb+0x130/0x360 [ 6316.058224][ T10] netlink_unicast+0x449/0x710 [ 6316.058224][ T10] netlink_sendmsg+0x723/0xbe0 [ 6316.058224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6316.058224][ T10] ___sys_sendmsg+0xee/0x170 [ 6316.058224][ T10] __sys_sendmsg+0xcd/0x170 [ 6316.058224][ T10] do_syscall_64+0xc6/0x1e0 [ 6316.058224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.058224][ T10] [ 6316.059961][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6316.059961][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6316.059961][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6316.059961][ T10] ipv6_find_idev+0x102/0x170 [ 6316.059961][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6316.059961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.059961][ T10] netlink_rcv_skb+0x130/0x360 [ 6316.059961][ T10] netlink_unicast+0x449/0x710 [ 6316.059961][ T10] netlink_sendmsg+0x723/0xbe0 [ 6316.059961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6316.059961][ T10] ___sys_sendmsg+0xee/0x170 [ 6316.059961][ T10] __sys_sendmsg+0xcd/0x170 [ 6316.059961][ T10] do_syscall_64+0xc6/0x1e0 [ 6316.059961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.059961][ T10] [ 6316.061813][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6316.062089][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6316.062089][ T10] netdev_get_by_index+0x5e/0x80 [ 6316.062089][ T10] fib6_nh_init+0x3d8/0x1580 [ 6316.062089][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6316.062089][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6316.062089][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6316.062089][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6316.062089][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6316.062089][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6316.062089][ T10] addrconf_dad_begin+0x310/0x670 [ 6316.062089][ T10] addrconf_dad_work+0x10b/0xab0 [ 6316.062089][ T10] process_one_work+0x84d/0x18a0 [ 6316.062089][ T10] worker_thread+0x587/0xd30 [ 6316.062089][ T10] kthread+0x28a/0x350 [ 6316.062089][ T10] ret_from_fork+0x31/0x70 [ 6316.062089][ T10] ret_from_fork_asm+0x1a/0x30 [ 6316.062089][ T10] [ 6316.064198][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6316.064198][ T10] netdev_get_by_index+0x5e/0x80 [ 6316.064198][ T10] fib6_nh_init+0x3d8/0x1580 [ 6316.064198][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6316.064198][ T10] ip6_route_add+0x1c/0x140 [ 6316.064198][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6316.064198][ T10] inet6_addr_add+0x4f8/0xa40 [ 6316.064198][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6316.064198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.064198][ T10] netlink_rcv_skb+0x130/0x360 [ 6316.064198][ T10] netlink_unicast+0x449/0x710 [ 6316.064198][ T10] netlink_sendmsg+0x723/0xbe0 [ 6316.064198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6316.064198][ T10] ___sys_sendmsg+0xee/0x170 [ 6316.064198][ T10] __sys_sendmsg+0xcd/0x170 [ 6316.064198][ T10] do_syscall_64+0xc6/0x1e0 [ 6316.064198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.064198][ T10] [ 6316.066409][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6316.066409][ T10] netdev_get_by_index+0x5e/0x80 [ 6316.066409][ T10] fib6_nh_init+0x3d8/0x1580 [ 6316.066409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6316.066409][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6316.066409][ T10] ipv6_add_addr+0x411/0x2000 [ 6316.066409][ T10] inet6_addr_add+0x30e/0xa40 [ 6316.066409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6316.066409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.066409][ T10] netlink_rcv_skb+0x130/0x360 [ 6316.066409][ T10] netlink_unicast+0x449/0x710 [ 6316.066409][ T10] netlink_sendmsg+0x723/0xbe0 [ 6316.066409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6316.066409][ T10] ___sys_sendmsg+0xee/0x170 [ 6316.066409][ T10] __sys_sendmsg+0xcd/0x170 [ 6316.066409][ T10] do_syscall_64+0xc6/0x1e0 [ 6316.066409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.066409][ T10] [ 6316.068593][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6316.068593][ T10] netdev_get_by_index+0x5e/0x80 [ 6316.068593][ T10] fib6_nh_init+0x3d8/0x1580 [ 6316.068593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6316.068593][ T10] ip6_route_add+0x1c/0x140 [ 6316.068593][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6316.068593][ T10] addrconf_add_dev+0xe2/0x170 [ 6316.068593][ T10] inet6_addr_add+0x12f/0xa40 [ 6316.068593][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6316.068593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.068593][ T10] netlink_rcv_skb+0x130/0x360 [ 6316.068593][ T10] netlink_unicast+0x449/0x710 [ 6316.068593][ T10] netlink_sendmsg+0x723/0xbe0 [ 6316.068593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6316.068593][ T10] ___sys_sendmsg+0xee/0x170 [ 6316.068593][ T10] __sys_sendmsg+0xcd/0x170 [ 6316.068593][ T10] do_syscall_64+0xc6/0x1e0 [ 6316.068593][ T10] [ 6316.070740][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6316.070740][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6316.070740][ T10] ipv6_find_idev+0x102/0x170 [ 6316.070740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6316.070740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.070740][ T10] netlink_rcv_skb+0x130/0x360 [ 6316.070740][ T10] netlink_unicast+0x449/0x710 [ 6316.070740][ T10] netlink_sendmsg+0x723/0xbe0 [ 6316.070740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6316.070740][ T10] ___sys_sendmsg+0xee/0x170 [ 6316.070740][ T10] __sys_sendmsg+0xcd/0x170 [ 6316.070740][ T10] do_syscall_64+0xc6/0x1e0 [ 6316.070740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.070740][ T10] [ 6316.072408][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6316.072408][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6316.072408][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6316.072408][ T10] ipv6_find_idev+0x102/0x170 [ 6316.072408][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6316.072408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.072408][ T10] netlink_rcv_skb+0x130/0x360 [ 6316.072408][ T10] netlink_unicast+0x449/0x710 [ 6316.072408][ T10] netlink_sendmsg+0x723/0xbe0 [ 6316.072408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6316.072408][ T10] ___sys_sendmsg+0xee/0x170 [ 6316.072408][ T10] __sys_sendmsg+0xcd/0x170 [ 6316.072408][ T10] do_syscall_64+0xc6/0x1e0 [ 6316.072408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.072408][ T10] [ 6316.074269][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6316.074523][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6316.074523][ T10] netdev_get_by_index+0x5e/0x80 [ 6316.074523][ T10] fib6_nh_init+0x3d8/0x1580 [ 6316.074523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6316.074523][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6316.074523][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6316.074523][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6316.074523][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6316.074523][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6316.074523][ T10] addrconf_dad_begin+0x310/0x670 [ 6316.074523][ T10] addrconf_dad_work+0x10b/0xab0 [ 6316.074523][ T10] process_one_work+0x84d/0x18a0 [ 6316.074523][ T10] worker_thread+0x587/0xd30 [ 6316.074523][ T10] kthread+0x28a/0x350 [ 6316.074523][ T10] ret_from_fork+0x31/0x70 [ 6316.074523][ T10] ret_from_fork_asm+0x1a/0x30 [ 6316.074523][ T10] [ 6316.076747][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6316.076747][ T10] netdev_get_by_index+0x5e/0x80 [ 6316.076747][ T10] fib6_nh_init+0x3d8/0x1580 [ 6316.076747][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6316.076747][ T10] ip6_route_add+0x1c/0x140 [ 6316.076747][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6316.076747][ T10] inet6_addr_add+0x4f8/0xa40 [ 6316.076747][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6316.076747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.076747][ T10] netlink_rcv_skb+0x130/0x360 [ 6316.076747][ T10] netlink_unicast+0x449/0x710 [ 6316.076747][ T10] netlink_sendmsg+0x723/0xbe0 [ 6316.076747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6316.076747][ T10] ___sys_sendmsg+0xee/0x170 [ 6316.076747][ T10] __sys_sendmsg+0xcd/0x170 [ 6316.076747][ T10] do_syscall_64+0xc6/0x1e0 [ 6316.076747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.076747][ T10] [ 6316.079103][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6316.079103][ T10] netdev_get_by_index+0x5e/0x80 [ 6316.079103][ T10] fib6_nh_init+0x3d8/0x1580 [ 6316.079103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6316.079103][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6316.079103][ T10] ipv6_add_addr+0x411/0x2000 [ 6316.079103][ T10] inet6_addr_add+0x30e/0xa40 [ 6316.079103][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6316.079103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.079103][ T10] netlink_rcv_skb+0x130/0x360 [ 6316.079103][ T10] netlink_unicast+0x449/0x710 [ 6316.079103][ T10] netlink_sendmsg+0x723/0xbe0 [ 6316.079103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6316.079103][ T10] ___sys_sendmsg+0xee/0x170 [ 6316.079103][ T10] __sys_sendmsg+0xcd/0x170 [ 6316.079103][ T10] do_syscall_64+0xc6/0x1e0 [ 6316.079103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.079103][ T10] [ 6316.081466][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6316.081466][ T10] netdev_get_by_index+0x5e/0x80 [ 6316.081466][ T10] fib6_nh_init+0x3d8/0x1580 [ 6316.081466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6316.081466][ T10] ip6_route_add+0x1c/0x140 [ 6316.081466][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6316.081466][ T10] addrconf_add_dev+0xe2/0x170 [ 6316.081466][ T10] inet6_addr_add+0x12f/0xa40 [ 6316.081466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6316.081466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.081466][ T10] netlink_rcv_skb+0x130/0x360 [ 6316.081466][ T10] netlink_unicast+0x449/0x710 [ 6316.081466][ T10] netlink_sendmsg+0x723/0xbe0 [ 6316.081466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6316.081466][ T10] ___sys_sendmsg+0xee/0x170 [ 6316.081466][ T10] __sys_sendmsg+0xcd/0x170 [ 6316.081466][ T10] do_syscall_64+0xc6/0x1e0 [ 6316.081466][ T10] [ 6316.083802][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6316.083802][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6316.083802][ T10] ipv6_find_idev+0x102/0x170 [ 6316.083802][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6316.083802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.083802][ T10] netlink_rcv_skb+0x130/0x360 [ 6316.083802][ T10] netlink_unicast+0x449/0x710 [ 6316.083802][ T10] netlink_sendmsg+0x723/0xbe0 [ 6316.083802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6316.083802][ T10] ___sys_sendmsg+0xee/0x170 [ 6316.083802][ T10] __sys_sendmsg+0xcd/0x170 [ 6316.083802][ T10] do_syscall_64+0xc6/0x1e0 [ 6316.083802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.083802][ T10] [ 6316.085577][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6316.085577][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6316.085577][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6316.085577][ T10] ipv6_find_idev+0x102/0x170 [ 6316.085577][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6316.085577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.085577][ T10] netlink_rcv_skb+0x130/0x360 [ 6316.085577][ T10] netlink_unicast+0x449/0x710 [ 6316.085577][ T10] netlink_sendmsg+0x723/0xbe0 [ 6316.085577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6316.085577][ T10] ___sys_sendmsg+0xee/0x170 [ 6316.085577][ T10] __sys_sendmsg+0xcd/0x170 [ 6316.085577][ T10] do_syscall_64+0xc6/0x1e0 [ 6316.085577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.085577][ T10] [ 6316.087580][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6316.087830][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6316.087830][ T10] netdev_get_by_index+0x5e/0x80 [ 6316.087830][ T10] fib6_nh_init+0x3d8/0x1580 [ 6316.087830][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6316.087830][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6316.087830][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6316.087830][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6316.087830][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6316.087830][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6316.087830][ T10] addrconf_dad_begin+0x310/0x670 [ 6316.087830][ T10] addrconf_dad_work+0x10b/0xab0 [ 6316.087830][ T10] process_one_work+0x84d/0x18a0 [ 6316.087830][ T10] worker_thread+0x587/0xd30 [ 6316.087830][ T10] kthread+0x28a/0x350 [ 6316.087830][ T10] ret_from_fork+0x31/0x70 [ 6316.087830][ T10] ret_from_fork_asm+0x1a/0x30 [ 6316.087830][ T10] [ 6316.090607][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6316.090607][ T10] netdev_get_by_index+0x5e/0x80 [ 6316.090607][ T10] fib6_nh_init+0x3d8/0x1580 [ 6316.090607][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6316.090607][ T10] ip6_route_add+0x1c/0x140 [ 6316.090607][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6316.090607][ T10] inet6_addr_add+0x4f8/0xa40 [ 6316.090607][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6316.090607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.090607][ T10] netlink_rcv_skb+0x130/0x360 [ 6316.090607][ T10] netlink_unicast+0x449/0x710 [ 6316.090607][ T10] netlink_sendmsg+0x723/0xbe0 [ 6316.090607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6316.090607][ T10] ___sys_sendmsg+0xee/0x170 [ 6316.090607][ T10] __sys_sendmsg+0xcd/0x170 [ 6316.090607][ T10] do_syscall_64+0xc6/0x1e0 [ 6316.090607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.090607][ T10] [ 6316.092959][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6316.092959][ T10] netdev_get_by_index+0x5e/0x80 [ 6316.092959][ T10] fib6_nh_init+0x3d8/0x1580 [ 6316.092959][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6316.092959][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6316.092959][ T10] ipv6_add_addr+0x411/0x2000 [ 6316.092959][ T10] inet6_addr_add+0x30e/0xa40 [ 6316.092959][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6316.092959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.092959][ T10] netlink_rcv_skb+0x130/0x360 [ 6316.092959][ T10] netlink_unicast+0x449/0x710 [ 6316.092959][ T10] netlink_sendmsg+0x723/0xbe0 [ 6316.092959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6316.092959][ T10] ___sys_sendmsg+0xee/0x170 [ 6316.092959][ T10] __sys_sendmsg+0xcd/0x170 [ 6316.092959][ T10] do_syscall_64+0xc6/0x1e0 [ 6316.092959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.092959][ T10] [ 6316.095305][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6316.095305][ T10] netdev_get_by_index+0x5e/0x80 [ 6316.095305][ T10] fib6_nh_init+0x3d8/0x1580 [ 6316.095305][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6316.095305][ T10] ip6_route_add+0x1c/0x140 [ 6316.095305][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6316.095305][ T10] addrconf_add_dev+0xe2/0x170 [ 6316.095305][ T10] inet6_addr_add+0x12f/0xa40 [ 6316.095305][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6316.095305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.095305][ T10] netlink_rcv_skb+0x130/0x360 [ 6316.095305][ T10] netlink_unicast+0x449/0x710 [ 6316.095305][ T10] netlink_sendmsg+0x723/0xbe0 [ 6316.095305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6316.095305][ T10] ___sys_sendmsg+0xee/0x170 [ 6316.095305][ T10] __sys_sendmsg+0xcd/0x170 [ 6316.095305][ T10] do_syscall_64+0xc6/0x1e0 [ 6316.095305][ T10] [ 6316.097621][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6316.097621][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6316.097621][ T10] ipv6_find_idev+0x102/0x170 [ 6316.097621][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6316.097621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.097621][ T10] netlink_rcv_skb+0x130/0x360 [ 6316.097621][ T10] netlink_unicast+0x449/0x710 [ 6316.097621][ T10] netlink_sendmsg+0x723/0xbe0 [ 6316.097621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6316.097621][ T10] ___sys_sendmsg+0xee/0x170 [ 6316.097621][ T10] __sys_sendmsg+0xcd/0x170 [ 6316.097621][ T10] do_syscall_64+0xc6/0x1e0 [ 6316.097621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.097621][ T10] [ 6316.099395][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6316.099395][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6316.099395][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6316.099395][ T10] ipv6_find_idev+0x102/0x170 [ 6316.099395][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6316.099395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6316.099395][ T10] netlink_rcv_skb+0x130/0x360 [ 6316.099395][ T10] netlink_unicast+0x449/0x710 [ 6316.099395][ T10] netlink_sendmsg+0x723/0xbe0 [ 6316.099395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6316.099395][ T10] ___sys_sendmsg+0xee/0x170 [ 6316.099395][ T10] __sys_sendmsg+0xcd/0x170 [ 6316.099395][ T10] do_syscall_64+0xc6/0x1e0 [ 6316.099395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6316.099395][ T10] [ 6324.233137][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6324.233676][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6324.233676][ T1167] dst_init+0x84/0x4a0 [ 6324.233676][ T1167] dst_alloc+0x97/0x150 [ 6324.233676][ T1167] ip6_dst_alloc+0x23/0x90 [ 6324.233676][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6324.233676][ T1167] ip6_pol_route+0x56f/0x840 [ 6324.233676][ T1167] fib6_rule_lookup+0x334/0x630 [ 6324.233676][ T1167] ip6_route_output_flags+0x259/0x480 [ 6324.233676][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6324.233676][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6324.233676][ T1167] netlink_rcv_skb+0x130/0x360 [ 6324.233676][ T1167] netlink_unicast+0x449/0x710 [ 6324.233676][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6324.233676][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6324.233676][ T1167] ___sys_sendmsg+0xee/0x170 [ 6324.233676][ T1167] __sys_sendmsg+0xcd/0x170 [ 6324.233676][ T1167] do_syscall_64+0xc6/0x1e0 [ 6324.233676][ T1167] [ 6324.235942][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6324.235942][ T1167] netdev_get_by_index+0x5e/0x80 [ 6324.235942][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6324.235942][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6324.235942][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6324.235942][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6324.235942][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6324.235942][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6324.235942][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6324.235942][ T1167] addrconf_dad_begin+0x310/0x670 [ 6324.235942][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6324.235942][ T1167] process_one_work+0x84d/0x18a0 [ 6324.235942][ T1167] worker_thread+0x587/0xd30 [ 6324.235942][ T1167] kthread+0x28a/0x350 [ 6324.235942][ T1167] ret_from_fork+0x31/0x70 [ 6324.235942][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6324.235942][ T1167] [ 6324.238121][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6324.238121][ T1167] netdev_get_by_index+0x5e/0x80 [ 6324.238121][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6324.238121][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6324.238121][ T1167] ip6_route_add+0x1c/0x140 [ 6324.238121][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6324.238121][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6324.238121][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6324.238121][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6324.238121][ T1167] netlink_rcv_skb+0x130/0x360 [ 6324.238121][ T1167] netlink_unicast+0x449/0x710 [ 6324.238121][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6324.238121][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6324.238121][ T1167] ___sys_sendmsg+0xee/0x170 [ 6324.238121][ T1167] __sys_sendmsg+0xcd/0x170 [ 6324.238121][ T1167] do_syscall_64+0xc6/0x1e0 [ 6324.238121][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6324.238121][ T1167] [ 6324.240386][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6324.240386][ T1167] netdev_get_by_index+0x5e/0x80 [ 6324.240386][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6324.240386][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6324.240386][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6324.240386][ T1167] ipv6_add_addr+0x411/0x2000 [ 6324.240386][ T1167] inet6_addr_add+0x30e/0xa40 [ 6324.240386][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6324.240386][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6324.240386][ T1167] netlink_rcv_skb+0x130/0x360 [ 6324.240386][ T1167] netlink_unicast+0x449/0x710 [ 6324.240386][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6324.240386][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6324.240386][ T1167] ___sys_sendmsg+0xee/0x170 [ 6324.240386][ T1167] __sys_sendmsg+0xcd/0x170 [ 6324.240386][ T1167] do_syscall_64+0xc6/0x1e0 [ 6324.240386][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6324.240386][ T1167] [ 6324.242645][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6324.242645][ T1167] netdev_get_by_index+0x5e/0x80 [ 6324.242645][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6324.242645][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6324.242645][ T1167] ip6_route_add+0x1c/0x140 [ 6324.242645][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6324.242645][ T1167] addrconf_add_dev+0xe2/0x170 [ 6324.242645][ T1167] inet6_addr_add+0x12f/0xa40 [ 6324.242645][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6324.242645][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6324.242645][ T1167] netlink_rcv_skb+0x130/0x360 [ 6324.242645][ T1167] netlink_unicast+0x449/0x710 [ 6324.242645][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6324.242645][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6324.242645][ T1167] ___sys_sendmsg+0xee/0x170 [ 6324.242645][ T1167] __sys_sendmsg+0xcd/0x170 [ 6324.242645][ T1167] do_syscall_64+0xc6/0x1e0 [ 6324.242645][ T1167] [ 6324.244882][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6324.244882][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6324.244882][ T1167] ipv6_find_idev+0x102/0x170 [ 6324.244882][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6324.244882][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6324.244882][ T1167] netlink_rcv_skb+0x130/0x360 [ 6324.244882][ T1167] netlink_unicast+0x449/0x710 [ 6324.244882][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6324.244882][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6324.244882][ T1167] ___sys_sendmsg+0xee/0x170 [ 6324.244882][ T1167] __sys_sendmsg+0xcd/0x170 [ 6324.244882][ T1167] do_syscall_64+0xc6/0x1e0 [ 6324.244882][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6324.244882][ T1167] [ 6324.246736][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6324.246736][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6324.246736][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6324.246736][ T1167] ipv6_find_idev+0x102/0x170 [ 6324.246736][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6324.246736][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6324.246736][ T1167] netlink_rcv_skb+0x130/0x360 [ 6324.246736][ T1167] netlink_unicast+0x449/0x710 [ 6324.246736][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6324.246736][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6324.246736][ T1167] ___sys_sendmsg+0xee/0x170 [ 6324.246736][ T1167] __sys_sendmsg+0xcd/0x170 [ 6324.246736][ T1167] do_syscall_64+0xc6/0x1e0 [ 6324.246736][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6324.246736][ T1167] [ 6326.337196][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6326.337688][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6326.337688][ T10] netdev_get_by_index+0x5e/0x80 [ 6326.337688][ T10] fib6_nh_init+0x3d8/0x1580 [ 6326.337688][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6326.337688][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6326.337688][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6326.337688][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6326.337688][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6326.337688][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6326.337688][ T10] addrconf_dad_begin+0x310/0x670 [ 6326.337688][ T10] addrconf_dad_work+0x10b/0xab0 [ 6326.337688][ T10] process_one_work+0x84d/0x18a0 [ 6326.337688][ T10] worker_thread+0x587/0xd30 [ 6326.337688][ T10] kthread+0x28a/0x350 [ 6326.337688][ T10] ret_from_fork+0x31/0x70 [ 6326.337688][ T10] ret_from_fork_asm+0x1a/0x30 [ 6326.337688][ T10] [ 6326.340970][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6326.340970][ T10] netdev_get_by_index+0x5e/0x80 [ 6326.340970][ T10] fib6_nh_init+0x3d8/0x1580 [ 6326.340970][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6326.340970][ T10] ip6_route_add+0x1c/0x140 [ 6326.340970][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6326.340970][ T10] inet6_addr_add+0x4f8/0xa40 [ 6326.340970][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6326.340970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.340970][ T10] netlink_rcv_skb+0x130/0x360 [ 6326.340970][ T10] netlink_unicast+0x449/0x710 [ 6326.340970][ T10] netlink_sendmsg+0x723/0xbe0 [ 6326.340970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6326.340970][ T10] ___sys_sendmsg+0xee/0x170 [ 6326.340970][ T10] __sys_sendmsg+0xcd/0x170 [ 6326.340970][ T10] do_syscall_64+0xc6/0x1e0 [ 6326.340970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.340970][ T10] [ 6326.344376][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6326.344376][ T10] netdev_get_by_index+0x5e/0x80 [ 6326.344376][ T10] fib6_nh_init+0x3d8/0x1580 [ 6326.344376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6326.344376][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6326.344376][ T10] ipv6_add_addr+0x411/0x2000 [ 6326.344376][ T10] inet6_addr_add+0x30e/0xa40 [ 6326.344376][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6326.344376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.344376][ T10] netlink_rcv_skb+0x130/0x360 [ 6326.344376][ T10] netlink_unicast+0x449/0x710 [ 6326.344376][ T10] netlink_sendmsg+0x723/0xbe0 [ 6326.344376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6326.344376][ T10] ___sys_sendmsg+0xee/0x170 [ 6326.344376][ T10] __sys_sendmsg+0xcd/0x170 [ 6326.344376][ T10] do_syscall_64+0xc6/0x1e0 [ 6326.344376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.344376][ T10] [ 6326.347738][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6326.347738][ T10] netdev_get_by_index+0x5e/0x80 [ 6326.347738][ T10] fib6_nh_init+0x3d8/0x1580 [ 6326.347738][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6326.347738][ T10] ip6_route_add+0x1c/0x140 [ 6326.347738][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6326.347738][ T10] addrconf_add_dev+0xe2/0x170 [ 6326.347738][ T10] inet6_addr_add+0x12f/0xa40 [ 6326.347738][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6326.347738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.347738][ T10] netlink_rcv_skb+0x130/0x360 [ 6326.347738][ T10] netlink_unicast+0x449/0x710 [ 6326.347738][ T10] netlink_sendmsg+0x723/0xbe0 [ 6326.347738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6326.347738][ T10] ___sys_sendmsg+0xee/0x170 [ 6326.347738][ T10] __sys_sendmsg+0xcd/0x170 [ 6326.347738][ T10] do_syscall_64+0xc6/0x1e0 [ 6326.347738][ T10] [ 6326.351045][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6326.351045][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6326.351045][ T10] ipv6_find_idev+0x102/0x170 [ 6326.351045][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6326.351045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.351045][ T10] netlink_rcv_skb+0x130/0x360 [ 6326.351045][ T10] netlink_unicast+0x449/0x710 [ 6326.351045][ T10] netlink_sendmsg+0x723/0xbe0 [ 6326.351045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6326.351045][ T10] ___sys_sendmsg+0xee/0x170 [ 6326.351045][ T10] __sys_sendmsg+0xcd/0x170 [ 6326.351045][ T10] do_syscall_64+0xc6/0x1e0 [ 6326.351045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.351045][ T10] [ 6326.353721][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6326.353721][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6326.353721][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6326.353721][ T10] ipv6_find_idev+0x102/0x170 [ 6326.353721][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6326.353721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.353721][ T10] netlink_rcv_skb+0x130/0x360 [ 6326.353721][ T10] netlink_unicast+0x449/0x710 [ 6326.353721][ T10] netlink_sendmsg+0x723/0xbe0 [ 6326.353721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6326.353721][ T10] ___sys_sendmsg+0xee/0x170 [ 6326.353721][ T10] __sys_sendmsg+0xcd/0x170 [ 6326.353721][ T10] do_syscall_64+0xc6/0x1e0 [ 6326.353721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.353721][ T10] [ 6326.356573][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6326.356973][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6326.356973][ T10] netdev_get_by_index+0x5e/0x80 [ 6326.356973][ T10] fib6_nh_init+0x3d8/0x1580 [ 6326.356973][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6326.356973][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6326.356973][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6326.356973][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6326.356973][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6326.356973][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6326.356973][ T10] addrconf_dad_begin+0x310/0x670 [ 6326.356973][ T10] addrconf_dad_work+0x10b/0xab0 [ 6326.356973][ T10] process_one_work+0x84d/0x18a0 [ 6326.356973][ T10] worker_thread+0x587/0xd30 [ 6326.356973][ T10] kthread+0x28a/0x350 [ 6326.356973][ T10] ret_from_fork+0x31/0x70 [ 6326.356973][ T10] ret_from_fork_asm+0x1a/0x30 [ 6326.356973][ T10] [ 6326.360205][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6326.360205][ T10] netdev_get_by_index+0x5e/0x80 [ 6326.360205][ T10] fib6_nh_init+0x3d8/0x1580 [ 6326.360205][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6326.360205][ T10] ip6_route_add+0x1c/0x140 [ 6326.360205][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6326.360205][ T10] inet6_addr_add+0x4f8/0xa40 [ 6326.360205][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6326.360205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.360205][ T10] netlink_rcv_skb+0x130/0x360 [ 6326.360205][ T10] netlink_unicast+0x449/0x710 [ 6326.360205][ T10] netlink_sendmsg+0x723/0xbe0 [ 6326.360205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6326.360205][ T10] ___sys_sendmsg+0xee/0x170 [ 6326.360205][ T10] __sys_sendmsg+0xcd/0x170 [ 6326.360205][ T10] do_syscall_64+0xc6/0x1e0 [ 6326.360205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.360205][ T10] [ 6326.363577][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6326.363577][ T10] netdev_get_by_index+0x5e/0x80 [ 6326.363577][ T10] fib6_nh_init+0x3d8/0x1580 [ 6326.363577][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6326.363577][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6326.363577][ T10] ipv6_add_addr+0x411/0x2000 [ 6326.363577][ T10] inet6_addr_add+0x30e/0xa40 [ 6326.363577][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6326.363577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.363577][ T10] netlink_rcv_skb+0x130/0x360 [ 6326.363577][ T10] netlink_unicast+0x449/0x710 [ 6326.363577][ T10] netlink_sendmsg+0x723/0xbe0 [ 6326.363577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6326.363577][ T10] ___sys_sendmsg+0xee/0x170 [ 6326.363577][ T10] __sys_sendmsg+0xcd/0x170 [ 6326.363577][ T10] do_syscall_64+0xc6/0x1e0 [ 6326.363577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.363577][ T10] [ 6326.366950][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6326.366950][ T10] netdev_get_by_index+0x5e/0x80 [ 6326.366950][ T10] fib6_nh_init+0x3d8/0x1580 [ 6326.366950][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6326.366950][ T10] ip6_route_add+0x1c/0x140 [ 6326.366950][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6326.366950][ T10] addrconf_add_dev+0xe2/0x170 [ 6326.366950][ T10] inet6_addr_add+0x12f/0xa40 [ 6326.366950][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6326.366950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.366950][ T10] netlink_rcv_skb+0x130/0x360 [ 6326.366950][ T10] netlink_unicast+0x449/0x710 [ 6326.366950][ T10] netlink_sendmsg+0x723/0xbe0 [ 6326.366950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6326.366950][ T10] ___sys_sendmsg+0xee/0x170 [ 6326.366950][ T10] __sys_sendmsg+0xcd/0x170 [ 6326.366950][ T10] do_syscall_64+0xc6/0x1e0 [ 6326.366950][ T10] [ 6326.370275][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6326.370275][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6326.370275][ T10] ipv6_find_idev+0x102/0x170 [ 6326.370275][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6326.370275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.370275][ T10] netlink_rcv_skb+0x130/0x360 [ 6326.370275][ T10] netlink_unicast+0x449/0x710 [ 6326.370275][ T10] netlink_sendmsg+0x723/0xbe0 [ 6326.370275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6326.370275][ T10] ___sys_sendmsg+0xee/0x170 [ 6326.370275][ T10] __sys_sendmsg+0xcd/0x170 [ 6326.370275][ T10] do_syscall_64+0xc6/0x1e0 [ 6326.370275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.370275][ T10] [ 6326.372877][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6326.372877][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6326.372877][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6326.372877][ T10] ipv6_find_idev+0x102/0x170 [ 6326.372877][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6326.372877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.372877][ T10] netlink_rcv_skb+0x130/0x360 [ 6326.372877][ T10] netlink_unicast+0x449/0x710 [ 6326.372877][ T10] netlink_sendmsg+0x723/0xbe0 [ 6326.372877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6326.372877][ T10] ___sys_sendmsg+0xee/0x170 [ 6326.372877][ T10] __sys_sendmsg+0xcd/0x170 [ 6326.372877][ T10] do_syscall_64+0xc6/0x1e0 [ 6326.372877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.372877][ T10] [ 6326.375729][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6326.376141][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6326.376141][ T10] netdev_get_by_index+0x5e/0x80 [ 6326.376141][ T10] fib6_nh_init+0x3d8/0x1580 [ 6326.376141][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6326.376141][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6326.376141][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6326.376141][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6326.376141][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6326.376141][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6326.376141][ T10] addrconf_dad_begin+0x310/0x670 [ 6326.376141][ T10] addrconf_dad_work+0x10b/0xab0 [ 6326.376141][ T10] process_one_work+0x84d/0x18a0 [ 6326.376141][ T10] worker_thread+0x587/0xd30 [ 6326.376141][ T10] kthread+0x28a/0x350 [ 6326.376141][ T10] ret_from_fork+0x31/0x70 [ 6326.376141][ T10] ret_from_fork_asm+0x1a/0x30 [ 6326.376141][ T10] [ 6326.379365][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6326.379365][ T10] netdev_get_by_index+0x5e/0x80 [ 6326.379365][ T10] fib6_nh_init+0x3d8/0x1580 [ 6326.379365][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6326.379365][ T10] ip6_route_add+0x1c/0x140 [ 6326.379365][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6326.379365][ T10] inet6_addr_add+0x4f8/0xa40 [ 6326.379365][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6326.379365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.379365][ T10] netlink_rcv_skb+0x130/0x360 [ 6326.379365][ T10] netlink_unicast+0x449/0x710 [ 6326.379365][ T10] netlink_sendmsg+0x723/0xbe0 [ 6326.379365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6326.379365][ T10] ___sys_sendmsg+0xee/0x170 [ 6326.379365][ T10] __sys_sendmsg+0xcd/0x170 [ 6326.379365][ T10] do_syscall_64+0xc6/0x1e0 [ 6326.379365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.379365][ T10] [ 6326.383171][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6326.383171][ T10] netdev_get_by_index+0x5e/0x80 [ 6326.383171][ T10] fib6_nh_init+0x3d8/0x1580 [ 6326.383171][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6326.383171][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6326.383171][ T10] ipv6_add_addr+0x411/0x2000 [ 6326.383171][ T10] inet6_addr_add+0x30e/0xa40 [ 6326.383171][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6326.383171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.383171][ T10] netlink_rcv_skb+0x130/0x360 [ 6326.383171][ T10] netlink_unicast+0x449/0x710 [ 6326.383171][ T10] netlink_sendmsg+0x723/0xbe0 [ 6326.383171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6326.383171][ T10] ___sys_sendmsg+0xee/0x170 [ 6326.383171][ T10] __sys_sendmsg+0xcd/0x170 [ 6326.383171][ T10] do_syscall_64+0xc6/0x1e0 [ 6326.383171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.383171][ T10] [ 6326.386974][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6326.386974][ T10] netdev_get_by_index+0x5e/0x80 [ 6326.386974][ T10] fib6_nh_init+0x3d8/0x1580 [ 6326.386974][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6326.386974][ T10] ip6_route_add+0x1c/0x140 [ 6326.386974][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6326.386974][ T10] addrconf_add_dev+0xe2/0x170 [ 6326.386974][ T10] inet6_addr_add+0x12f/0xa40 [ 6326.386974][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6326.386974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.386974][ T10] netlink_rcv_skb+0x130/0x360 [ 6326.386974][ T10] netlink_unicast+0x449/0x710 [ 6326.386974][ T10] netlink_sendmsg+0x723/0xbe0 [ 6326.386974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6326.386974][ T10] ___sys_sendmsg+0xee/0x170 [ 6326.386974][ T10] __sys_sendmsg+0xcd/0x170 [ 6326.386974][ T10] do_syscall_64+0xc6/0x1e0 [ 6326.386974][ T10] [ 6326.390772][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6326.390772][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6326.390772][ T10] ipv6_find_idev+0x102/0x170 [ 6326.390772][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6326.390772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.390772][ T10] netlink_rcv_skb+0x130/0x360 [ 6326.390772][ T10] netlink_unicast+0x449/0x710 [ 6326.390772][ T10] netlink_sendmsg+0x723/0xbe0 [ 6326.390772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6326.390772][ T10] ___sys_sendmsg+0xee/0x170 [ 6326.390772][ T10] __sys_sendmsg+0xcd/0x170 [ 6326.390772][ T10] do_syscall_64+0xc6/0x1e0 [ 6326.390772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.390772][ T10] [ 6326.393710][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6326.393710][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6326.393710][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6326.393710][ T10] ipv6_find_idev+0x102/0x170 [ 6326.393710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6326.393710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.393710][ T10] netlink_rcv_skb+0x130/0x360 [ 6326.393710][ T10] netlink_unicast+0x449/0x710 [ 6326.393710][ T10] netlink_sendmsg+0x723/0xbe0 [ 6326.393710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6326.393710][ T10] ___sys_sendmsg+0xee/0x170 [ 6326.393710][ T10] __sys_sendmsg+0xcd/0x170 [ 6326.393710][ T10] do_syscall_64+0xc6/0x1e0 [ 6326.393710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.393710][ T10] [ 6326.396908][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6326.397795][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6326.397795][ T10] netdev_get_by_index+0x5e/0x80 [ 6326.397795][ T10] fib6_nh_init+0x3d8/0x1580 [ 6326.397795][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6326.397795][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6326.397795][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6326.397795][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6326.397795][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6326.397795][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6326.397795][ T10] addrconf_dad_begin+0x310/0x670 [ 6326.397795][ T10] addrconf_dad_work+0x10b/0xab0 [ 6326.397795][ T10] process_one_work+0x84d/0x18a0 [ 6326.397795][ T10] worker_thread+0x587/0xd30 [ 6326.397795][ T10] kthread+0x28a/0x350 [ 6326.397795][ T10] ret_from_fork+0x31/0x70 [ 6326.397795][ T10] ret_from_fork_asm+0x1a/0x30 [ 6326.397795][ T10] [ 6326.400979][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6326.400979][ T10] netdev_get_by_index+0x5e/0x80 [ 6326.400979][ T10] fib6_nh_init+0x3d8/0x1580 [ 6326.400979][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6326.400979][ T10] ip6_route_add+0x1c/0x140 [ 6326.400979][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6326.400979][ T10] inet6_addr_add+0x4f8/0xa40 [ 6326.400979][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6326.400979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.400979][ T10] netlink_rcv_skb+0x130/0x360 [ 6326.400979][ T10] netlink_unicast+0x449/0x710 [ 6326.400979][ T10] netlink_sendmsg+0x723/0xbe0 [ 6326.400979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6326.400979][ T10] ___sys_sendmsg+0xee/0x170 [ 6326.400979][ T10] __sys_sendmsg+0xcd/0x170 [ 6326.400979][ T10] do_syscall_64+0xc6/0x1e0 [ 6326.400979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.400979][ T10] [ 6326.404579][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6326.404579][ T10] netdev_get_by_index+0x5e/0x80 [ 6326.404579][ T10] fib6_nh_init+0x3d8/0x1580 [ 6326.404579][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6326.404579][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6326.404579][ T10] ipv6_add_addr+0x411/0x2000 [ 6326.404579][ T10] inet6_addr_add+0x30e/0xa40 [ 6326.404579][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6326.404579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.404579][ T10] netlink_rcv_skb+0x130/0x360 [ 6326.404579][ T10] netlink_unicast+0x449/0x710 [ 6326.404579][ T10] netlink_sendmsg+0x723/0xbe0 [ 6326.404579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6326.404579][ T10] ___sys_sendmsg+0xee/0x170 [ 6326.404579][ T10] __sys_sendmsg+0xcd/0x170 [ 6326.404579][ T10] do_syscall_64+0xc6/0x1e0 [ 6326.404579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.404579][ T10] [ 6326.408420][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6326.408420][ T10] netdev_get_by_index+0x5e/0x80 [ 6326.408420][ T10] fib6_nh_init+0x3d8/0x1580 [ 6326.408420][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6326.408420][ T10] ip6_route_add+0x1c/0x140 [ 6326.408420][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6326.408420][ T10] addrconf_add_dev+0xe2/0x170 [ 6326.408420][ T10] inet6_addr_add+0x12f/0xa40 [ 6326.408420][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6326.408420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.408420][ T10] netlink_rcv_skb+0x130/0x360 [ 6326.408420][ T10] netlink_unicast+0x449/0x710 [ 6326.408420][ T10] netlink_sendmsg+0x723/0xbe0 [ 6326.408420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6326.408420][ T10] ___sys_sendmsg+0xee/0x170 [ 6326.408420][ T10] __sys_sendmsg+0xcd/0x170 [ 6326.408420][ T10] do_syscall_64+0xc6/0x1e0 [ 6326.408420][ T10] [ 6326.412074][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6326.412074][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6326.412074][ T10] ipv6_find_idev+0x102/0x170 [ 6326.412074][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6326.412074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.412074][ T10] netlink_rcv_skb+0x130/0x360 [ 6326.412074][ T10] netlink_unicast+0x449/0x710 [ 6326.412074][ T10] netlink_sendmsg+0x723/0xbe0 [ 6326.412074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6326.412074][ T10] ___sys_sendmsg+0xee/0x170 [ 6326.412074][ T10] __sys_sendmsg+0xcd/0x170 [ 6326.412074][ T10] do_syscall_64+0xc6/0x1e0 [ 6326.412074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.412074][ T10] [ 6326.415012][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6326.415012][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6326.415012][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6326.415012][ T10] ipv6_find_idev+0x102/0x170 [ 6326.415012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6326.415012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6326.415012][ T10] netlink_rcv_skb+0x130/0x360 [ 6326.415012][ T10] netlink_unicast+0x449/0x710 [ 6326.415012][ T10] netlink_sendmsg+0x723/0xbe0 [ 6326.415012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6326.415012][ T10] ___sys_sendmsg+0xee/0x170 [ 6326.415012][ T10] __sys_sendmsg+0xcd/0x170 [ 6326.415012][ T10] do_syscall_64+0xc6/0x1e0 [ 6326.415012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6326.415012][ T10] [ 6334.489055][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6334.489563][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6334.489563][ T1167] dst_init+0x84/0x4a0 [ 6334.489563][ T1167] dst_alloc+0x97/0x150 [ 6334.489563][ T1167] ip6_dst_alloc+0x23/0x90 [ 6334.489563][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6334.489563][ T1167] ip6_pol_route+0x56f/0x840 [ 6334.489563][ T1167] fib6_rule_lookup+0x334/0x630 [ 6334.489563][ T1167] ip6_route_output_flags+0x259/0x480 [ 6334.489563][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6334.489563][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6334.489563][ T1167] netlink_rcv_skb+0x130/0x360 [ 6334.489563][ T1167] netlink_unicast+0x449/0x710 [ 6334.489563][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6334.489563][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6334.489563][ T1167] ___sys_sendmsg+0xee/0x170 [ 6334.489563][ T1167] __sys_sendmsg+0xcd/0x170 [ 6334.489563][ T1167] do_syscall_64+0xc6/0x1e0 [ 6334.489563][ T1167] [ 6334.492051][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6334.492051][ T1167] netdev_get_by_index+0x5e/0x80 [ 6334.492051][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6334.492051][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6334.492051][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6334.492051][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6334.492051][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6334.492051][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6334.492051][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6334.492051][ T1167] addrconf_dad_begin+0x310/0x670 [ 6334.492051][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6334.492051][ T1167] process_one_work+0x84d/0x18a0 [ 6334.492051][ T1167] worker_thread+0x587/0xd30 [ 6334.492051][ T1167] kthread+0x28a/0x350 [ 6334.492051][ T1167] ret_from_fork+0x31/0x70 [ 6334.492051][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6334.492051][ T1167] [ 6334.494448][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6334.494448][ T1167] netdev_get_by_index+0x5e/0x80 [ 6334.494448][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6334.494448][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6334.494448][ T1167] ip6_route_add+0x1c/0x140 [ 6334.494448][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6334.494448][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6334.494448][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6334.494448][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6334.494448][ T1167] netlink_rcv_skb+0x130/0x360 [ 6334.494448][ T1167] netlink_unicast+0x449/0x710 [ 6334.494448][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6334.494448][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6334.494448][ T1167] ___sys_sendmsg+0xee/0x170 [ 6334.494448][ T1167] __sys_sendmsg+0xcd/0x170 [ 6334.494448][ T1167] do_syscall_64+0xc6/0x1e0 [ 6334.494448][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6334.494448][ T1167] [ 6334.496975][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6334.496975][ T1167] netdev_get_by_index+0x5e/0x80 [ 6334.496975][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6334.496975][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6334.496975][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6334.496975][ T1167] ipv6_add_addr+0x411/0x2000 [ 6334.496975][ T1167] inet6_addr_add+0x30e/0xa40 [ 6334.496975][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6334.496975][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6334.496975][ T1167] netlink_rcv_skb+0x130/0x360 [ 6334.496975][ T1167] netlink_unicast+0x449/0x710 [ 6334.496975][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6334.496975][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6334.496975][ T1167] ___sys_sendmsg+0xee/0x170 [ 6334.496975][ T1167] __sys_sendmsg+0xcd/0x170 [ 6334.496975][ T1167] do_syscall_64+0xc6/0x1e0 [ 6334.496975][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6334.496975][ T1167] [ 6334.499544][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6334.499544][ T1167] netdev_get_by_index+0x5e/0x80 [ 6334.499544][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6334.499544][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6334.499544][ T1167] ip6_route_add+0x1c/0x140 [ 6334.499544][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6334.499544][ T1167] addrconf_add_dev+0xe2/0x170 [ 6334.499544][ T1167] inet6_addr_add+0x12f/0xa40 [ 6334.499544][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6334.499544][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6334.499544][ T1167] netlink_rcv_skb+0x130/0x360 [ 6334.499544][ T1167] netlink_unicast+0x449/0x710 [ 6334.499544][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6334.499544][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6334.499544][ T1167] ___sys_sendmsg+0xee/0x170 [ 6334.499544][ T1167] __sys_sendmsg+0xcd/0x170 [ 6334.499544][ T1167] do_syscall_64+0xc6/0x1e0 [ 6334.499544][ T1167] [ 6334.502016][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6334.502016][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6334.502016][ T1167] ipv6_find_idev+0x102/0x170 [ 6334.502016][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6334.502016][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6334.502016][ T1167] netlink_rcv_skb+0x130/0x360 [ 6334.502016][ T1167] netlink_unicast+0x449/0x710 [ 6334.502016][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6334.502016][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6334.502016][ T1167] ___sys_sendmsg+0xee/0x170 [ 6334.502016][ T1167] __sys_sendmsg+0xcd/0x170 [ 6334.502016][ T1167] do_syscall_64+0xc6/0x1e0 [ 6334.502016][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6334.502016][ T1167] [ 6334.503929][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6334.503929][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6334.503929][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6334.503929][ T1167] ipv6_find_idev+0x102/0x170 [ 6334.503929][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6334.503929][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6334.503929][ T1167] netlink_rcv_skb+0x130/0x360 [ 6334.503929][ T1167] netlink_unicast+0x449/0x710 [ 6334.503929][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6334.503929][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6334.503929][ T1167] ___sys_sendmsg+0xee/0x170 [ 6334.503929][ T1167] __sys_sendmsg+0xcd/0x170 [ 6334.503929][ T1167] do_syscall_64+0xc6/0x1e0 [ 6334.503929][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6334.503929][ T1167] [ 6336.657050][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6336.657483][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6336.657483][ T10] netdev_get_by_index+0x5e/0x80 [ 6336.657483][ T10] fib6_nh_init+0x3d8/0x1580 [ 6336.657483][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6336.657483][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6336.657483][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6336.657483][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6336.657483][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6336.657483][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6336.657483][ T10] addrconf_dad_begin+0x310/0x670 [ 6336.657483][ T10] addrconf_dad_work+0x10b/0xab0 [ 6336.657483][ T10] process_one_work+0x84d/0x18a0 [ 6336.657483][ T10] worker_thread+0x587/0xd30 [ 6336.657483][ T10] kthread+0x28a/0x350 [ 6336.657483][ T10] ret_from_fork+0x31/0x70 [ 6336.657483][ T10] ret_from_fork_asm+0x1a/0x30 [ 6336.657483][ T10] [ 6336.659663][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6336.659663][ T10] netdev_get_by_index+0x5e/0x80 [ 6336.659663][ T10] fib6_nh_init+0x3d8/0x1580 [ 6336.659663][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6336.659663][ T10] ip6_route_add+0x1c/0x140 [ 6336.659663][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6336.659663][ T10] inet6_addr_add+0x4f8/0xa40 [ 6336.659663][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6336.659663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.659663][ T10] netlink_rcv_skb+0x130/0x360 [ 6336.659663][ T10] netlink_unicast+0x449/0x710 [ 6336.659663][ T10] netlink_sendmsg+0x723/0xbe0 [ 6336.659663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6336.659663][ T10] ___sys_sendmsg+0xee/0x170 [ 6336.659663][ T10] __sys_sendmsg+0xcd/0x170 [ 6336.659663][ T10] do_syscall_64+0xc6/0x1e0 [ 6336.659663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.659663][ T10] [ 6336.661872][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6336.661872][ T10] netdev_get_by_index+0x5e/0x80 [ 6336.661872][ T10] fib6_nh_init+0x3d8/0x1580 [ 6336.661872][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6336.661872][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6336.661872][ T10] ipv6_add_addr+0x411/0x2000 [ 6336.661872][ T10] inet6_addr_add+0x30e/0xa40 [ 6336.661872][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6336.661872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.661872][ T10] netlink_rcv_skb+0x130/0x360 [ 6336.661872][ T10] netlink_unicast+0x449/0x710 [ 6336.661872][ T10] netlink_sendmsg+0x723/0xbe0 [ 6336.661872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6336.661872][ T10] ___sys_sendmsg+0xee/0x170 [ 6336.661872][ T10] __sys_sendmsg+0xcd/0x170 [ 6336.661872][ T10] do_syscall_64+0xc6/0x1e0 [ 6336.661872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.661872][ T10] [ 6336.664083][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6336.664083][ T10] netdev_get_by_index+0x5e/0x80 [ 6336.664083][ T10] fib6_nh_init+0x3d8/0x1580 [ 6336.664083][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6336.664083][ T10] ip6_route_add+0x1c/0x140 [ 6336.664083][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6336.664083][ T10] addrconf_add_dev+0xe2/0x170 [ 6336.664083][ T10] inet6_addr_add+0x12f/0xa40 [ 6336.664083][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6336.664083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.664083][ T10] netlink_rcv_skb+0x130/0x360 [ 6336.664083][ T10] netlink_unicast+0x449/0x710 [ 6336.664083][ T10] netlink_sendmsg+0x723/0xbe0 [ 6336.664083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6336.664083][ T10] ___sys_sendmsg+0xee/0x170 [ 6336.664083][ T10] __sys_sendmsg+0xcd/0x170 [ 6336.664083][ T10] do_syscall_64+0xc6/0x1e0 [ 6336.664083][ T10] [ 6336.666244][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6336.666244][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6336.666244][ T10] ipv6_find_idev+0x102/0x170 [ 6336.666244][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6336.666244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.666244][ T10] netlink_rcv_skb+0x130/0x360 [ 6336.666244][ T10] netlink_unicast+0x449/0x710 [ 6336.666244][ T10] netlink_sendmsg+0x723/0xbe0 [ 6336.666244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6336.666244][ T10] ___sys_sendmsg+0xee/0x170 [ 6336.666244][ T10] __sys_sendmsg+0xcd/0x170 [ 6336.666244][ T10] do_syscall_64+0xc6/0x1e0 [ 6336.666244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.666244][ T10] [ 6336.667921][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6336.667921][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6336.667921][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6336.667921][ T10] ipv6_find_idev+0x102/0x170 [ 6336.667921][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6336.667921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.667921][ T10] netlink_rcv_skb+0x130/0x360 [ 6336.667921][ T10] netlink_unicast+0x449/0x710 [ 6336.667921][ T10] netlink_sendmsg+0x723/0xbe0 [ 6336.667921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6336.667921][ T10] ___sys_sendmsg+0xee/0x170 [ 6336.667921][ T10] __sys_sendmsg+0xcd/0x170 [ 6336.667921][ T10] do_syscall_64+0xc6/0x1e0 [ 6336.667921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.667921][ T10] [ 6336.669769][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6336.670029][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6336.670029][ T10] netdev_get_by_index+0x5e/0x80 [ 6336.670029][ T10] fib6_nh_init+0x3d8/0x1580 [ 6336.670029][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6336.670029][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6336.670029][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6336.670029][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6336.670029][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6336.670029][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6336.670029][ T10] addrconf_dad_begin+0x310/0x670 [ 6336.670029][ T10] addrconf_dad_work+0x10b/0xab0 [ 6336.670029][ T10] process_one_work+0x84d/0x18a0 [ 6336.670029][ T10] worker_thread+0x587/0xd30 [ 6336.670029][ T10] kthread+0x28a/0x350 [ 6336.670029][ T10] ret_from_fork+0x31/0x70 [ 6336.670029][ T10] ret_from_fork_asm+0x1a/0x30 [ 6336.670029][ T10] [ 6336.672127][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6336.672127][ T10] netdev_get_by_index+0x5e/0x80 [ 6336.672127][ T10] fib6_nh_init+0x3d8/0x1580 [ 6336.672127][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6336.672127][ T10] ip6_route_add+0x1c/0x140 [ 6336.672127][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6336.672127][ T10] inet6_addr_add+0x4f8/0xa40 [ 6336.672127][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6336.672127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.672127][ T10] netlink_rcv_skb+0x130/0x360 [ 6336.672127][ T10] netlink_unicast+0x449/0x710 [ 6336.672127][ T10] netlink_sendmsg+0x723/0xbe0 [ 6336.672127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6336.672127][ T10] ___sys_sendmsg+0xee/0x170 [ 6336.672127][ T10] __sys_sendmsg+0xcd/0x170 [ 6336.672127][ T10] do_syscall_64+0xc6/0x1e0 [ 6336.672127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.672127][ T10] [ 6336.674333][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6336.674333][ T10] netdev_get_by_index+0x5e/0x80 [ 6336.674333][ T10] fib6_nh_init+0x3d8/0x1580 [ 6336.674333][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6336.674333][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6336.674333][ T10] ipv6_add_addr+0x411/0x2000 [ 6336.674333][ T10] inet6_addr_add+0x30e/0xa40 [ 6336.674333][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6336.674333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.674333][ T10] netlink_rcv_skb+0x130/0x360 [ 6336.674333][ T10] netlink_unicast+0x449/0x710 [ 6336.674333][ T10] netlink_sendmsg+0x723/0xbe0 [ 6336.674333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6336.674333][ T10] ___sys_sendmsg+0xee/0x170 [ 6336.674333][ T10] __sys_sendmsg+0xcd/0x170 [ 6336.674333][ T10] do_syscall_64+0xc6/0x1e0 [ 6336.674333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.674333][ T10] [ 6336.676520][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6336.676520][ T10] netdev_get_by_index+0x5e/0x80 [ 6336.676520][ T10] fib6_nh_init+0x3d8/0x1580 [ 6336.676520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6336.676520][ T10] ip6_route_add+0x1c/0x140 [ 6336.676520][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6336.676520][ T10] addrconf_add_dev+0xe2/0x170 [ 6336.676520][ T10] inet6_addr_add+0x12f/0xa40 [ 6336.676520][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6336.676520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.676520][ T10] netlink_rcv_skb+0x130/0x360 [ 6336.676520][ T10] netlink_unicast+0x449/0x710 [ 6336.676520][ T10] netlink_sendmsg+0x723/0xbe0 [ 6336.676520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6336.676520][ T10] ___sys_sendmsg+0xee/0x170 [ 6336.676520][ T10] __sys_sendmsg+0xcd/0x170 [ 6336.676520][ T10] do_syscall_64+0xc6/0x1e0 [ 6336.676520][ T10] [ 6336.678690][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6336.678690][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6336.678690][ T10] ipv6_find_idev+0x102/0x170 [ 6336.678690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6336.678690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.678690][ T10] netlink_rcv_skb+0x130/0x360 [ 6336.678690][ T10] netlink_unicast+0x449/0x710 [ 6336.678690][ T10] netlink_sendmsg+0x723/0xbe0 [ 6336.678690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6336.678690][ T10] ___sys_sendmsg+0xee/0x170 [ 6336.678690][ T10] __sys_sendmsg+0xcd/0x170 [ 6336.678690][ T10] do_syscall_64+0xc6/0x1e0 [ 6336.678690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.678690][ T10] [ 6336.680380][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6336.680380][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6336.680380][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6336.680380][ T10] ipv6_find_idev+0x102/0x170 [ 6336.680380][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6336.680380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.680380][ T10] netlink_rcv_skb+0x130/0x360 [ 6336.680380][ T10] netlink_unicast+0x449/0x710 [ 6336.680380][ T10] netlink_sendmsg+0x723/0xbe0 [ 6336.680380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6336.680380][ T10] ___sys_sendmsg+0xee/0x170 [ 6336.680380][ T10] __sys_sendmsg+0xcd/0x170 [ 6336.680380][ T10] do_syscall_64+0xc6/0x1e0 [ 6336.680380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.680380][ T10] [ 6336.682221][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6336.682477][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6336.682477][ T10] netdev_get_by_index+0x5e/0x80 [ 6336.682477][ T10] fib6_nh_init+0x3d8/0x1580 [ 6336.682477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6336.682477][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6336.682477][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6336.682477][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6336.682477][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6336.682477][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6336.682477][ T10] addrconf_dad_begin+0x310/0x670 [ 6336.682477][ T10] addrconf_dad_work+0x10b/0xab0 [ 6336.682477][ T10] process_one_work+0x84d/0x18a0 [ 6336.682477][ T10] worker_thread+0x587/0xd30 [ 6336.682477][ T10] kthread+0x28a/0x350 [ 6336.682477][ T10] ret_from_fork+0x31/0x70 [ 6336.682477][ T10] ret_from_fork_asm+0x1a/0x30 [ 6336.682477][ T10] [ 6336.684570][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6336.684570][ T10] netdev_get_by_index+0x5e/0x80 [ 6336.684570][ T10] fib6_nh_init+0x3d8/0x1580 [ 6336.684570][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6336.684570][ T10] ip6_route_add+0x1c/0x140 [ 6336.684570][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6336.684570][ T10] inet6_addr_add+0x4f8/0xa40 [ 6336.684570][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6336.684570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.684570][ T10] netlink_rcv_skb+0x130/0x360 [ 6336.684570][ T10] netlink_unicast+0x449/0x710 [ 6336.684570][ T10] netlink_sendmsg+0x723/0xbe0 [ 6336.684570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6336.684570][ T10] ___sys_sendmsg+0xee/0x170 [ 6336.684570][ T10] __sys_sendmsg+0xcd/0x170 [ 6336.684570][ T10] do_syscall_64+0xc6/0x1e0 [ 6336.684570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.684570][ T10] [ 6336.686911][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6336.686911][ T10] netdev_get_by_index+0x5e/0x80 [ 6336.686911][ T10] fib6_nh_init+0x3d8/0x1580 [ 6336.686911][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6336.686911][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6336.686911][ T10] ipv6_add_addr+0x411/0x2000 [ 6336.686911][ T10] inet6_addr_add+0x30e/0xa40 [ 6336.686911][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6336.686911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.686911][ T10] netlink_rcv_skb+0x130/0x360 [ 6336.686911][ T10] netlink_unicast+0x449/0x710 [ 6336.686911][ T10] netlink_sendmsg+0x723/0xbe0 [ 6336.686911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6336.686911][ T10] ___sys_sendmsg+0xee/0x170 [ 6336.686911][ T10] __sys_sendmsg+0xcd/0x170 [ 6336.686911][ T10] do_syscall_64+0xc6/0x1e0 [ 6336.686911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.686911][ T10] [ 6336.689235][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6336.689235][ T10] netdev_get_by_index+0x5e/0x80 [ 6336.689235][ T10] fib6_nh_init+0x3d8/0x1580 [ 6336.689235][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6336.689235][ T10] ip6_route_add+0x1c/0x140 [ 6336.689235][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6336.689235][ T10] addrconf_add_dev+0xe2/0x170 [ 6336.689235][ T10] inet6_addr_add+0x12f/0xa40 [ 6336.689235][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6336.689235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.689235][ T10] netlink_rcv_skb+0x130/0x360 [ 6336.689235][ T10] netlink_unicast+0x449/0x710 [ 6336.689235][ T10] netlink_sendmsg+0x723/0xbe0 [ 6336.689235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6336.689235][ T10] ___sys_sendmsg+0xee/0x170 [ 6336.689235][ T10] __sys_sendmsg+0xcd/0x170 [ 6336.689235][ T10] do_syscall_64+0xc6/0x1e0 [ 6336.689235][ T10] [ 6336.691531][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6336.691531][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6336.691531][ T10] ipv6_find_idev+0x102/0x170 [ 6336.691531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6336.691531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.691531][ T10] netlink_rcv_skb+0x130/0x360 [ 6336.691531][ T10] netlink_unicast+0x449/0x710 [ 6336.691531][ T10] netlink_sendmsg+0x723/0xbe0 [ 6336.691531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6336.691531][ T10] ___sys_sendmsg+0xee/0x170 [ 6336.691531][ T10] __sys_sendmsg+0xcd/0x170 [ 6336.691531][ T10] do_syscall_64+0xc6/0x1e0 [ 6336.691531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.691531][ T10] [ 6336.693276][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6336.693276][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6336.693276][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6336.693276][ T10] ipv6_find_idev+0x102/0x170 [ 6336.693276][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6336.693276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.693276][ T10] netlink_rcv_skb+0x130/0x360 [ 6336.693276][ T10] netlink_unicast+0x449/0x710 [ 6336.693276][ T10] netlink_sendmsg+0x723/0xbe0 [ 6336.693276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6336.693276][ T10] ___sys_sendmsg+0xee/0x170 [ 6336.693276][ T10] __sys_sendmsg+0xcd/0x170 [ 6336.693276][ T10] do_syscall_64+0xc6/0x1e0 [ 6336.693276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.693276][ T10] [ 6336.695263][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6336.695516][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6336.695516][ T10] netdev_get_by_index+0x5e/0x80 [ 6336.695516][ T10] fib6_nh_init+0x3d8/0x1580 [ 6336.695516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6336.695516][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6336.695516][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6336.695516][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6336.695516][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6336.695516][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6336.695516][ T10] addrconf_dad_begin+0x310/0x670 [ 6336.695516][ T10] addrconf_dad_work+0x10b/0xab0 [ 6336.695516][ T10] process_one_work+0x84d/0x18a0 [ 6336.695516][ T10] worker_thread+0x587/0xd30 [ 6336.695516][ T10] kthread+0x28a/0x350 [ 6336.695516][ T10] ret_from_fork+0x31/0x70 [ 6336.695516][ T10] ret_from_fork_asm+0x1a/0x30 [ 6336.695516][ T10] [ 6336.697736][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6336.697736][ T10] netdev_get_by_index+0x5e/0x80 [ 6336.697736][ T10] fib6_nh_init+0x3d8/0x1580 [ 6336.697736][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6336.697736][ T10] ip6_route_add+0x1c/0x140 [ 6336.697736][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6336.697736][ T10] inet6_addr_add+0x4f8/0xa40 [ 6336.697736][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6336.697736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.697736][ T10] netlink_rcv_skb+0x130/0x360 [ 6336.697736][ T10] netlink_unicast+0x449/0x710 [ 6336.697736][ T10] netlink_sendmsg+0x723/0xbe0 [ 6336.697736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6336.697736][ T10] ___sys_sendmsg+0xee/0x170 [ 6336.697736][ T10] __sys_sendmsg+0xcd/0x170 [ 6336.697736][ T10] do_syscall_64+0xc6/0x1e0 [ 6336.697736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.697736][ T10] [ 6336.700063][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6336.700063][ T10] netdev_get_by_index+0x5e/0x80 [ 6336.700063][ T10] fib6_nh_init+0x3d8/0x1580 [ 6336.700063][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6336.700063][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6336.700063][ T10] ipv6_add_addr+0x411/0x2000 [ 6336.700063][ T10] inet6_addr_add+0x30e/0xa40 [ 6336.700063][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6336.700063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.700063][ T10] netlink_rcv_skb+0x130/0x360 [ 6336.700063][ T10] netlink_unicast+0x449/0x710 [ 6336.700063][ T10] netlink_sendmsg+0x723/0xbe0 [ 6336.700063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6336.700063][ T10] ___sys_sendmsg+0xee/0x170 [ 6336.700063][ T10] __sys_sendmsg+0xcd/0x170 [ 6336.700063][ T10] do_syscall_64+0xc6/0x1e0 [ 6336.700063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.700063][ T10] [ 6336.702385][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6336.702385][ T10] netdev_get_by_index+0x5e/0x80 [ 6336.702385][ T10] fib6_nh_init+0x3d8/0x1580 [ 6336.702385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6336.702385][ T10] ip6_route_add+0x1c/0x140 [ 6336.702385][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6336.702385][ T10] addrconf_add_dev+0xe2/0x170 [ 6336.702385][ T10] inet6_addr_add+0x12f/0xa40 [ 6336.702385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6336.702385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.702385][ T10] netlink_rcv_skb+0x130/0x360 [ 6336.702385][ T10] netlink_unicast+0x449/0x710 [ 6336.702385][ T10] netlink_sendmsg+0x723/0xbe0 [ 6336.702385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6336.702385][ T10] ___sys_sendmsg+0xee/0x170 [ 6336.702385][ T10] __sys_sendmsg+0xcd/0x170 [ 6336.702385][ T10] do_syscall_64+0xc6/0x1e0 [ 6336.702385][ T10] [ 6336.704615][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6336.704615][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6336.704615][ T10] ipv6_find_idev+0x102/0x170 [ 6336.704615][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6336.704615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.704615][ T10] netlink_rcv_skb+0x130/0x360 [ 6336.704615][ T10] netlink_unicast+0x449/0x710 [ 6336.704615][ T10] netlink_sendmsg+0x723/0xbe0 [ 6336.704615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6336.704615][ T10] ___sys_sendmsg+0xee/0x170 [ 6336.704615][ T10] __sys_sendmsg+0xcd/0x170 [ 6336.704615][ T10] do_syscall_64+0xc6/0x1e0 [ 6336.704615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.704615][ T10] [ 6336.706435][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6336.706435][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6336.706435][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6336.706435][ T10] ipv6_find_idev+0x102/0x170 [ 6336.706435][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6336.706435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6336.706435][ T10] netlink_rcv_skb+0x130/0x360 [ 6336.706435][ T10] netlink_unicast+0x449/0x710 [ 6336.706435][ T10] netlink_sendmsg+0x723/0xbe0 [ 6336.706435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6336.706435][ T10] ___sys_sendmsg+0xee/0x170 [ 6336.706435][ T10] __sys_sendmsg+0xcd/0x170 [ 6336.706435][ T10] do_syscall_64+0xc6/0x1e0 [ 6336.706435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6336.706435][ T10] [ 6344.745102][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6344.745617][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6344.745617][ T1167] dst_init+0x84/0x4a0 [ 6344.745617][ T1167] dst_alloc+0x97/0x150 [ 6344.745617][ T1167] ip6_dst_alloc+0x23/0x90 [ 6344.745617][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6344.745617][ T1167] ip6_pol_route+0x56f/0x840 [ 6344.745617][ T1167] fib6_rule_lookup+0x334/0x630 [ 6344.745617][ T1167] ip6_route_output_flags+0x259/0x480 [ 6344.745617][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6344.745617][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6344.745617][ T1167] netlink_rcv_skb+0x130/0x360 [ 6344.745617][ T1167] netlink_unicast+0x449/0x710 [ 6344.745617][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6344.745617][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6344.745617][ T1167] ___sys_sendmsg+0xee/0x170 [ 6344.745617][ T1167] __sys_sendmsg+0xcd/0x170 [ 6344.745617][ T1167] do_syscall_64+0xc6/0x1e0 [ 6344.745617][ T1167] [ 6344.748070][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6344.748070][ T1167] netdev_get_by_index+0x5e/0x80 [ 6344.748070][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6344.748070][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6344.748070][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6344.748070][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6344.748070][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6344.748070][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6344.748070][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6344.748070][ T1167] addrconf_dad_begin+0x310/0x670 [ 6344.748070][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6344.748070][ T1167] process_one_work+0x84d/0x18a0 [ 6344.748070][ T1167] worker_thread+0x587/0xd30 [ 6344.748070][ T1167] kthread+0x28a/0x350 [ 6344.748070][ T1167] ret_from_fork+0x31/0x70 [ 6344.748070][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6344.748070][ T1167] [ 6344.750479][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6344.750479][ T1167] netdev_get_by_index+0x5e/0x80 [ 6344.750479][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6344.750479][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6344.750479][ T1167] ip6_route_add+0x1c/0x140 [ 6344.750479][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6344.750479][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6344.750479][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6344.750479][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6344.750479][ T1167] netlink_rcv_skb+0x130/0x360 [ 6344.750479][ T1167] netlink_unicast+0x449/0x710 [ 6344.750479][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6344.750479][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6344.750479][ T1167] ___sys_sendmsg+0xee/0x170 [ 6344.750479][ T1167] __sys_sendmsg+0xcd/0x170 [ 6344.750479][ T1167] do_syscall_64+0xc6/0x1e0 [ 6344.750479][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6344.750479][ T1167] [ 6344.752980][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6344.752980][ T1167] netdev_get_by_index+0x5e/0x80 [ 6344.752980][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6344.752980][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6344.752980][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6344.752980][ T1167] ipv6_add_addr+0x411/0x2000 [ 6344.752980][ T1167] inet6_addr_add+0x30e/0xa40 [ 6344.752980][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6344.752980][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6344.752980][ T1167] netlink_rcv_skb+0x130/0x360 [ 6344.752980][ T1167] netlink_unicast+0x449/0x710 [ 6344.752980][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6344.752980][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6344.752980][ T1167] ___sys_sendmsg+0xee/0x170 [ 6344.752980][ T1167] __sys_sendmsg+0xcd/0x170 [ 6344.752980][ T1167] do_syscall_64+0xc6/0x1e0 [ 6344.752980][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6344.752980][ T1167] [ 6344.755534][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6344.755534][ T1167] netdev_get_by_index+0x5e/0x80 [ 6344.755534][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6344.755534][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6344.755534][ T1167] ip6_route_add+0x1c/0x140 [ 6344.755534][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6344.755534][ T1167] addrconf_add_dev+0xe2/0x170 [ 6344.755534][ T1167] inet6_addr_add+0x12f/0xa40 [ 6344.755534][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6344.755534][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6344.755534][ T1167] netlink_rcv_skb+0x130/0x360 [ 6344.755534][ T1167] netlink_unicast+0x449/0x710 [ 6344.755534][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6344.755534][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6344.755534][ T1167] ___sys_sendmsg+0xee/0x170 [ 6344.755534][ T1167] __sys_sendmsg+0xcd/0x170 [ 6344.755534][ T1167] do_syscall_64+0xc6/0x1e0 [ 6344.755534][ T1167] [ 6344.758003][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6344.758003][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6344.758003][ T1167] ipv6_find_idev+0x102/0x170 [ 6344.758003][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6344.758003][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6344.758003][ T1167] netlink_rcv_skb+0x130/0x360 [ 6344.758003][ T1167] netlink_unicast+0x449/0x710 [ 6344.758003][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6344.758003][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6344.758003][ T1167] ___sys_sendmsg+0xee/0x170 [ 6344.758003][ T1167] __sys_sendmsg+0xcd/0x170 [ 6344.758003][ T1167] do_syscall_64+0xc6/0x1e0 [ 6344.758003][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6344.758003][ T1167] [ 6344.759931][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6344.759931][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6344.759931][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6344.759931][ T1167] ipv6_find_idev+0x102/0x170 [ 6344.759931][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6344.759931][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6344.759931][ T1167] netlink_rcv_skb+0x130/0x360 [ 6344.759931][ T1167] netlink_unicast+0x449/0x710 [ 6344.759931][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6344.759931][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6344.759931][ T1167] ___sys_sendmsg+0xee/0x170 [ 6344.759931][ T1167] __sys_sendmsg+0xcd/0x170 [ 6344.759931][ T1167] do_syscall_64+0xc6/0x1e0 [ 6344.759931][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6344.759931][ T1167] [ 6346.745114][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6346.745558][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6346.745558][ T10] netdev_get_by_index+0x5e/0x80 [ 6346.745558][ T10] fib6_nh_init+0x3d8/0x1580 [ 6346.745558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6346.745558][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6346.745558][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6346.745558][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6346.745558][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6346.745558][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6346.745558][ T10] addrconf_dad_begin+0x310/0x670 [ 6346.745558][ T10] addrconf_dad_work+0x10b/0xab0 [ 6346.745558][ T10] process_one_work+0x84d/0x18a0 [ 6346.745558][ T10] worker_thread+0x587/0xd30 [ 6346.745558][ T10] kthread+0x28a/0x350 [ 6346.745558][ T10] ret_from_fork+0x31/0x70 [ 6346.745558][ T10] ret_from_fork_asm+0x1a/0x30 [ 6346.745558][ T10] [ 6346.747741][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6346.747741][ T10] netdev_get_by_index+0x5e/0x80 [ 6346.747741][ T10] fib6_nh_init+0x3d8/0x1580 [ 6346.747741][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6346.747741][ T10] ip6_route_add+0x1c/0x140 [ 6346.747741][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6346.747741][ T10] inet6_addr_add+0x4f8/0xa40 [ 6346.747741][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6346.747741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.747741][ T10] netlink_rcv_skb+0x130/0x360 [ 6346.747741][ T10] netlink_unicast+0x449/0x710 [ 6346.747741][ T10] netlink_sendmsg+0x723/0xbe0 [ 6346.747741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6346.747741][ T10] ___sys_sendmsg+0xee/0x170 [ 6346.747741][ T10] __sys_sendmsg+0xcd/0x170 [ 6346.747741][ T10] do_syscall_64+0xc6/0x1e0 [ 6346.747741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.747741][ T10] [ 6346.750022][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6346.750022][ T10] netdev_get_by_index+0x5e/0x80 [ 6346.750022][ T10] fib6_nh_init+0x3d8/0x1580 [ 6346.750022][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6346.750022][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6346.750022][ T10] ipv6_add_addr+0x411/0x2000 [ 6346.750022][ T10] inet6_addr_add+0x30e/0xa40 [ 6346.750022][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6346.750022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.750022][ T10] netlink_rcv_skb+0x130/0x360 [ 6346.750022][ T10] netlink_unicast+0x449/0x710 [ 6346.750022][ T10] netlink_sendmsg+0x723/0xbe0 [ 6346.750022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6346.750022][ T10] ___sys_sendmsg+0xee/0x170 [ 6346.750022][ T10] __sys_sendmsg+0xcd/0x170 [ 6346.750022][ T10] do_syscall_64+0xc6/0x1e0 [ 6346.750022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.750022][ T10] [ 6346.752267][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6346.752267][ T10] netdev_get_by_index+0x5e/0x80 [ 6346.752267][ T10] fib6_nh_init+0x3d8/0x1580 [ 6346.752267][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6346.752267][ T10] ip6_route_add+0x1c/0x140 [ 6346.752267][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6346.752267][ T10] addrconf_add_dev+0xe2/0x170 [ 6346.752267][ T10] inet6_addr_add+0x12f/0xa40 [ 6346.752267][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6346.752267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.752267][ T10] netlink_rcv_skb+0x130/0x360 [ 6346.752267][ T10] netlink_unicast+0x449/0x710 [ 6346.752267][ T10] netlink_sendmsg+0x723/0xbe0 [ 6346.752267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6346.752267][ T10] ___sys_sendmsg+0xee/0x170 [ 6346.752267][ T10] __sys_sendmsg+0xcd/0x170 [ 6346.752267][ T10] do_syscall_64+0xc6/0x1e0 [ 6346.752267][ T10] [ 6346.754477][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6346.754477][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6346.754477][ T10] ipv6_find_idev+0x102/0x170 [ 6346.754477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6346.754477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.754477][ T10] netlink_rcv_skb+0x130/0x360 [ 6346.754477][ T10] netlink_unicast+0x449/0x710 [ 6346.754477][ T10] netlink_sendmsg+0x723/0xbe0 [ 6346.754477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6346.754477][ T10] ___sys_sendmsg+0xee/0x170 [ 6346.754477][ T10] __sys_sendmsg+0xcd/0x170 [ 6346.754477][ T10] do_syscall_64+0xc6/0x1e0 [ 6346.754477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.754477][ T10] [ 6346.756205][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6346.756205][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6346.756205][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6346.756205][ T10] ipv6_find_idev+0x102/0x170 [ 6346.756205][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6346.756205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.756205][ T10] netlink_rcv_skb+0x130/0x360 [ 6346.756205][ T10] netlink_unicast+0x449/0x710 [ 6346.756205][ T10] netlink_sendmsg+0x723/0xbe0 [ 6346.756205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6346.756205][ T10] ___sys_sendmsg+0xee/0x170 [ 6346.756205][ T10] __sys_sendmsg+0xcd/0x170 [ 6346.756205][ T10] do_syscall_64+0xc6/0x1e0 [ 6346.756205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.756205][ T10] [ 6346.758112][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6346.758379][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6346.758379][ T10] netdev_get_by_index+0x5e/0x80 [ 6346.758379][ T10] fib6_nh_init+0x3d8/0x1580 [ 6346.758379][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6346.758379][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6346.758379][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6346.758379][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6346.758379][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6346.758379][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6346.758379][ T10] addrconf_dad_begin+0x310/0x670 [ 6346.758379][ T10] addrconf_dad_work+0x10b/0xab0 [ 6346.758379][ T10] process_one_work+0x84d/0x18a0 [ 6346.758379][ T10] worker_thread+0x587/0xd30 [ 6346.758379][ T10] kthread+0x28a/0x350 [ 6346.758379][ T10] ret_from_fork+0x31/0x70 [ 6346.758379][ T10] ret_from_fork_asm+0x1a/0x30 [ 6346.758379][ T10] [ 6346.760549][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6346.760549][ T10] netdev_get_by_index+0x5e/0x80 [ 6346.760549][ T10] fib6_nh_init+0x3d8/0x1580 [ 6346.760549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6346.760549][ T10] ip6_route_add+0x1c/0x140 [ 6346.760549][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6346.760549][ T10] inet6_addr_add+0x4f8/0xa40 [ 6346.760549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6346.760549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.760549][ T10] netlink_rcv_skb+0x130/0x360 [ 6346.760549][ T10] netlink_unicast+0x449/0x710 [ 6346.760549][ T10] netlink_sendmsg+0x723/0xbe0 [ 6346.760549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6346.760549][ T10] ___sys_sendmsg+0xee/0x170 [ 6346.760549][ T10] __sys_sendmsg+0xcd/0x170 [ 6346.760549][ T10] do_syscall_64+0xc6/0x1e0 [ 6346.760549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.760549][ T10] [ 6346.762807][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6346.762807][ T10] netdev_get_by_index+0x5e/0x80 [ 6346.762807][ T10] fib6_nh_init+0x3d8/0x1580 [ 6346.762807][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6346.762807][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6346.762807][ T10] ipv6_add_addr+0x411/0x2000 [ 6346.762807][ T10] inet6_addr_add+0x30e/0xa40 [ 6346.762807][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6346.762807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.762807][ T10] netlink_rcv_skb+0x130/0x360 [ 6346.762807][ T10] netlink_unicast+0x449/0x710 [ 6346.762807][ T10] netlink_sendmsg+0x723/0xbe0 [ 6346.762807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6346.762807][ T10] ___sys_sendmsg+0xee/0x170 [ 6346.762807][ T10] __sys_sendmsg+0xcd/0x170 [ 6346.762807][ T10] do_syscall_64+0xc6/0x1e0 [ 6346.762807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.762807][ T10] [ 6346.765062][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6346.765062][ T10] netdev_get_by_index+0x5e/0x80 [ 6346.765062][ T10] fib6_nh_init+0x3d8/0x1580 [ 6346.765062][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6346.765062][ T10] ip6_route_add+0x1c/0x140 [ 6346.765062][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6346.765062][ T10] addrconf_add_dev+0xe2/0x170 [ 6346.765062][ T10] inet6_addr_add+0x12f/0xa40 [ 6346.765062][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6346.765062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.765062][ T10] netlink_rcv_skb+0x130/0x360 [ 6346.765062][ T10] netlink_unicast+0x449/0x710 [ 6346.765062][ T10] netlink_sendmsg+0x723/0xbe0 [ 6346.765062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6346.765062][ T10] ___sys_sendmsg+0xee/0x170 [ 6346.765062][ T10] __sys_sendmsg+0xcd/0x170 [ 6346.765062][ T10] do_syscall_64+0xc6/0x1e0 [ 6346.765062][ T10] [ 6346.767266][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6346.767266][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6346.767266][ T10] ipv6_find_idev+0x102/0x170 [ 6346.767266][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6346.767266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.767266][ T10] netlink_rcv_skb+0x130/0x360 [ 6346.767266][ T10] netlink_unicast+0x449/0x710 [ 6346.767266][ T10] netlink_sendmsg+0x723/0xbe0 [ 6346.767266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6346.767266][ T10] ___sys_sendmsg+0xee/0x170 [ 6346.767266][ T10] __sys_sendmsg+0xcd/0x170 [ 6346.767266][ T10] do_syscall_64+0xc6/0x1e0 [ 6346.767266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.767266][ T10] [ 6346.769012][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6346.769012][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6346.769012][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6346.769012][ T10] ipv6_find_idev+0x102/0x170 [ 6346.769012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6346.769012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.769012][ T10] netlink_rcv_skb+0x130/0x360 [ 6346.769012][ T10] netlink_unicast+0x449/0x710 [ 6346.769012][ T10] netlink_sendmsg+0x723/0xbe0 [ 6346.769012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6346.769012][ T10] ___sys_sendmsg+0xee/0x170 [ 6346.769012][ T10] __sys_sendmsg+0xcd/0x170 [ 6346.769012][ T10] do_syscall_64+0xc6/0x1e0 [ 6346.769012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.769012][ T10] [ 6346.770926][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6346.771206][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6346.771206][ T10] netdev_get_by_index+0x5e/0x80 [ 6346.771206][ T10] fib6_nh_init+0x3d8/0x1580 [ 6346.771206][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6346.771206][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6346.771206][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6346.771206][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6346.771206][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6346.771206][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6346.771206][ T10] addrconf_dad_begin+0x310/0x670 [ 6346.771206][ T10] addrconf_dad_work+0x10b/0xab0 [ 6346.771206][ T10] process_one_work+0x84d/0x18a0 [ 6346.771206][ T10] worker_thread+0x587/0xd30 [ 6346.771206][ T10] kthread+0x28a/0x350 [ 6346.771206][ T10] ret_from_fork+0x31/0x70 [ 6346.771206][ T10] ret_from_fork_asm+0x1a/0x30 [ 6346.771206][ T10] [ 6346.773364][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6346.773364][ T10] netdev_get_by_index+0x5e/0x80 [ 6346.773364][ T10] fib6_nh_init+0x3d8/0x1580 [ 6346.773364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6346.773364][ T10] ip6_route_add+0x1c/0x140 [ 6346.773364][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6346.773364][ T10] inet6_addr_add+0x4f8/0xa40 [ 6346.773364][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6346.773364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.773364][ T10] netlink_rcv_skb+0x130/0x360 [ 6346.773364][ T10] netlink_unicast+0x449/0x710 [ 6346.773364][ T10] netlink_sendmsg+0x723/0xbe0 [ 6346.773364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6346.773364][ T10] ___sys_sendmsg+0xee/0x170 [ 6346.773364][ T10] __sys_sendmsg+0xcd/0x170 [ 6346.773364][ T10] do_syscall_64+0xc6/0x1e0 [ 6346.773364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.773364][ T10] [ 6346.775810][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6346.775810][ T10] netdev_get_by_index+0x5e/0x80 [ 6346.775810][ T10] fib6_nh_init+0x3d8/0x1580 [ 6346.775810][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6346.775810][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6346.775810][ T10] ipv6_add_addr+0x411/0x2000 [ 6346.775810][ T10] inet6_addr_add+0x30e/0xa40 [ 6346.775810][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6346.775810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.775810][ T10] netlink_rcv_skb+0x130/0x360 [ 6346.775810][ T10] netlink_unicast+0x449/0x710 [ 6346.775810][ T10] netlink_sendmsg+0x723/0xbe0 [ 6346.775810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6346.775810][ T10] ___sys_sendmsg+0xee/0x170 [ 6346.775810][ T10] __sys_sendmsg+0xcd/0x170 [ 6346.775810][ T10] do_syscall_64+0xc6/0x1e0 [ 6346.775810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.775810][ T10] [ 6346.778373][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6346.778373][ T10] netdev_get_by_index+0x5e/0x80 [ 6346.778373][ T10] fib6_nh_init+0x3d8/0x1580 [ 6346.778373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6346.778373][ T10] ip6_route_add+0x1c/0x140 [ 6346.778373][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6346.778373][ T10] addrconf_add_dev+0xe2/0x170 [ 6346.778373][ T10] inet6_addr_add+0x12f/0xa40 [ 6346.778373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6346.778373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.778373][ T10] netlink_rcv_skb+0x130/0x360 [ 6346.778373][ T10] netlink_unicast+0x449/0x710 [ 6346.778373][ T10] netlink_sendmsg+0x723/0xbe0 [ 6346.778373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6346.778373][ T10] ___sys_sendmsg+0xee/0x170 [ 6346.778373][ T10] __sys_sendmsg+0xcd/0x170 [ 6346.778373][ T10] do_syscall_64+0xc6/0x1e0 [ 6346.778373][ T10] [ 6346.780839][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6346.780839][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6346.780839][ T10] ipv6_find_idev+0x102/0x170 [ 6346.780839][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6346.780839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.780839][ T10] netlink_rcv_skb+0x130/0x360 [ 6346.780839][ T10] netlink_unicast+0x449/0x710 [ 6346.780839][ T10] netlink_sendmsg+0x723/0xbe0 [ 6346.780839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6346.780839][ T10] ___sys_sendmsg+0xee/0x170 [ 6346.780839][ T10] __sys_sendmsg+0xcd/0x170 [ 6346.780839][ T10] do_syscall_64+0xc6/0x1e0 [ 6346.780839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.780839][ T10] [ 6346.782760][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6346.782760][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6346.782760][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6346.782760][ T10] ipv6_find_idev+0x102/0x170 [ 6346.782760][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6346.782760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.782760][ T10] netlink_rcv_skb+0x130/0x360 [ 6346.782760][ T10] netlink_unicast+0x449/0x710 [ 6346.782760][ T10] netlink_sendmsg+0x723/0xbe0 [ 6346.782760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6346.782760][ T10] ___sys_sendmsg+0xee/0x170 [ 6346.782760][ T10] __sys_sendmsg+0xcd/0x170 [ 6346.782760][ T10] do_syscall_64+0xc6/0x1e0 [ 6346.782760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.782760][ T10] [ 6346.784841][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6346.785540][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6346.785540][ T10] netdev_get_by_index+0x5e/0x80 [ 6346.785540][ T10] fib6_nh_init+0x3d8/0x1580 [ 6346.785540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6346.785540][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6346.785540][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6346.785540][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6346.785540][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6346.785540][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6346.785540][ T10] addrconf_dad_begin+0x310/0x670 [ 6346.785540][ T10] addrconf_dad_work+0x10b/0xab0 [ 6346.785540][ T10] process_one_work+0x84d/0x18a0 [ 6346.785540][ T10] worker_thread+0x587/0xd30 [ 6346.785540][ T10] kthread+0x28a/0x350 [ 6346.785540][ T10] ret_from_fork+0x31/0x70 [ 6346.785540][ T10] ret_from_fork_asm+0x1a/0x30 [ 6346.785540][ T10] [ 6346.787674][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6346.787674][ T10] netdev_get_by_index+0x5e/0x80 [ 6346.787674][ T10] fib6_nh_init+0x3d8/0x1580 [ 6346.787674][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6346.787674][ T10] ip6_route_add+0x1c/0x140 [ 6346.787674][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6346.787674][ T10] inet6_addr_add+0x4f8/0xa40 [ 6346.787674][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6346.787674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.787674][ T10] netlink_rcv_skb+0x130/0x360 [ 6346.787674][ T10] netlink_unicast+0x449/0x710 [ 6346.787674][ T10] netlink_sendmsg+0x723/0xbe0 [ 6346.787674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6346.787674][ T10] ___sys_sendmsg+0xee/0x170 [ 6346.787674][ T10] __sys_sendmsg+0xcd/0x170 [ 6346.787674][ T10] do_syscall_64+0xc6/0x1e0 [ 6346.787674][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.787674][ T10] [ 6346.790078][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6346.790078][ T10] netdev_get_by_index+0x5e/0x80 [ 6346.790078][ T10] fib6_nh_init+0x3d8/0x1580 [ 6346.790078][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6346.790078][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6346.790078][ T10] ipv6_add_addr+0x411/0x2000 [ 6346.790078][ T10] inet6_addr_add+0x30e/0xa40 [ 6346.790078][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6346.790078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.790078][ T10] netlink_rcv_skb+0x130/0x360 [ 6346.790078][ T10] netlink_unicast+0x449/0x710 [ 6346.790078][ T10] netlink_sendmsg+0x723/0xbe0 [ 6346.790078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6346.790078][ T10] ___sys_sendmsg+0xee/0x170 [ 6346.790078][ T10] __sys_sendmsg+0xcd/0x170 [ 6346.790078][ T10] do_syscall_64+0xc6/0x1e0 [ 6346.790078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.790078][ T10] [ 6346.792630][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6346.792630][ T10] netdev_get_by_index+0x5e/0x80 [ 6346.792630][ T10] fib6_nh_init+0x3d8/0x1580 [ 6346.792630][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6346.792630][ T10] ip6_route_add+0x1c/0x140 [ 6346.792630][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6346.792630][ T10] addrconf_add_dev+0xe2/0x170 [ 6346.792630][ T10] inet6_addr_add+0x12f/0xa40 [ 6346.792630][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6346.792630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.792630][ T10] netlink_rcv_skb+0x130/0x360 [ 6346.792630][ T10] netlink_unicast+0x449/0x710 [ 6346.792630][ T10] netlink_sendmsg+0x723/0xbe0 [ 6346.792630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6346.792630][ T10] ___sys_sendmsg+0xee/0x170 [ 6346.792630][ T10] __sys_sendmsg+0xcd/0x170 [ 6346.792630][ T10] do_syscall_64+0xc6/0x1e0 [ 6346.792630][ T10] [ 6346.795023][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6346.795023][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6346.795023][ T10] ipv6_find_idev+0x102/0x170 [ 6346.795023][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6346.795023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.795023][ T10] netlink_rcv_skb+0x130/0x360 [ 6346.795023][ T10] netlink_unicast+0x449/0x710 [ 6346.795023][ T10] netlink_sendmsg+0x723/0xbe0 [ 6346.795023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6346.795023][ T10] ___sys_sendmsg+0xee/0x170 [ 6346.795023][ T10] __sys_sendmsg+0xcd/0x170 [ 6346.795023][ T10] do_syscall_64+0xc6/0x1e0 [ 6346.795023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.795023][ T10] [ 6346.796937][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6346.796937][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6346.796937][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6346.796937][ T10] ipv6_find_idev+0x102/0x170 [ 6346.796937][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6346.796937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6346.796937][ T10] netlink_rcv_skb+0x130/0x360 [ 6346.796937][ T10] netlink_unicast+0x449/0x710 [ 6346.796937][ T10] netlink_sendmsg+0x723/0xbe0 [ 6346.796937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6346.796937][ T10] ___sys_sendmsg+0xee/0x170 [ 6346.796937][ T10] __sys_sendmsg+0xcd/0x170 [ 6346.796937][ T10] do_syscall_64+0xc6/0x1e0 [ 6346.796937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6346.796937][ T10] [ 6355.001099][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6355.001606][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6355.001606][ T1167] dst_init+0x84/0x4a0 [ 6355.001606][ T1167] dst_alloc+0x97/0x150 [ 6355.001606][ T1167] ip6_dst_alloc+0x23/0x90 [ 6355.001606][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6355.001606][ T1167] ip6_pol_route+0x56f/0x840 [ 6355.001606][ T1167] fib6_rule_lookup+0x334/0x630 [ 6355.001606][ T1167] ip6_route_output_flags+0x259/0x480 [ 6355.001606][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6355.001606][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6355.001606][ T1167] netlink_rcv_skb+0x130/0x360 [ 6355.001606][ T1167] netlink_unicast+0x449/0x710 [ 6355.001606][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6355.001606][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6355.001606][ T1167] ___sys_sendmsg+0xee/0x170 [ 6355.001606][ T1167] __sys_sendmsg+0xcd/0x170 [ 6355.001606][ T1167] do_syscall_64+0xc6/0x1e0 [ 6355.001606][ T1167] [ 6355.004063][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6355.004063][ T1167] netdev_get_by_index+0x5e/0x80 [ 6355.004063][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6355.004063][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6355.004063][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6355.004063][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6355.004063][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6355.004063][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6355.004063][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6355.004063][ T1167] addrconf_dad_begin+0x310/0x670 [ 6355.004063][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6355.004063][ T1167] process_one_work+0x84d/0x18a0 [ 6355.004063][ T1167] worker_thread+0x587/0xd30 [ 6355.004063][ T1167] kthread+0x28a/0x350 [ 6355.004063][ T1167] ret_from_fork+0x31/0x70 [ 6355.004063][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6355.004063][ T1167] [ 6355.007071][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6355.007071][ T1167] netdev_get_by_index+0x5e/0x80 [ 6355.007071][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6355.007071][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6355.007071][ T1167] ip6_route_add+0x1c/0x140 [ 6355.007071][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6355.007071][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6355.007071][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6355.007071][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.007071][ T1167] netlink_rcv_skb+0x130/0x360 [ 6355.007071][ T1167] netlink_unicast+0x449/0x710 [ 6355.007071][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6355.007071][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6355.007071][ T1167] ___sys_sendmsg+0xee/0x170 [ 6355.007071][ T1167] __sys_sendmsg+0xcd/0x170 [ 6355.007071][ T1167] do_syscall_64+0xc6/0x1e0 [ 6355.007071][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6355.007071][ T1167] [ 6355.009584][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6355.009584][ T1167] netdev_get_by_index+0x5e/0x80 [ 6355.009584][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6355.009584][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6355.009584][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6355.009584][ T1167] ipv6_add_addr+0x411/0x2000 [ 6355.009584][ T1167] inet6_addr_add+0x30e/0xa40 [ 6355.009584][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6355.009584][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.009584][ T1167] netlink_rcv_skb+0x130/0x360 [ 6355.009584][ T1167] netlink_unicast+0x449/0x710 [ 6355.009584][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6355.009584][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6355.009584][ T1167] ___sys_sendmsg+0xee/0x170 [ 6355.009584][ T1167] __sys_sendmsg+0xcd/0x170 [ 6355.009584][ T1167] do_syscall_64+0xc6/0x1e0 [ 6355.009584][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6355.009584][ T1167] [ 6355.012124][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6355.012124][ T1167] netdev_get_by_index+0x5e/0x80 [ 6355.012124][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6355.012124][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6355.012124][ T1167] ip6_route_add+0x1c/0x140 [ 6355.012124][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6355.012124][ T1167] addrconf_add_dev+0xe2/0x170 [ 6355.012124][ T1167] inet6_addr_add+0x12f/0xa40 [ 6355.012124][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6355.012124][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.012124][ T1167] netlink_rcv_skb+0x130/0x360 [ 6355.012124][ T1167] netlink_unicast+0x449/0x710 [ 6355.012124][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6355.012124][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6355.012124][ T1167] ___sys_sendmsg+0xee/0x170 [ 6355.012124][ T1167] __sys_sendmsg+0xcd/0x170 [ 6355.012124][ T1167] do_syscall_64+0xc6/0x1e0 [ 6355.012124][ T1167] [ 6355.014559][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6355.014559][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6355.014559][ T1167] ipv6_find_idev+0x102/0x170 [ 6355.014559][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6355.014559][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.014559][ T1167] netlink_rcv_skb+0x130/0x360 [ 6355.014559][ T1167] netlink_unicast+0x449/0x710 [ 6355.014559][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6355.014559][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6355.014559][ T1167] ___sys_sendmsg+0xee/0x170 [ 6355.014559][ T1167] __sys_sendmsg+0xcd/0x170 [ 6355.014559][ T1167] do_syscall_64+0xc6/0x1e0 [ 6355.014559][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6355.014559][ T1167] [ 6355.016471][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6355.016471][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6355.016471][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6355.016471][ T1167] ipv6_find_idev+0x102/0x170 [ 6355.016471][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6355.016471][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.016471][ T1167] netlink_rcv_skb+0x130/0x360 [ 6355.016471][ T1167] netlink_unicast+0x449/0x710 [ 6355.016471][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6355.016471][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6355.016471][ T1167] ___sys_sendmsg+0xee/0x170 [ 6355.016471][ T1167] __sys_sendmsg+0xcd/0x170 [ 6355.016471][ T1167] do_syscall_64+0xc6/0x1e0 [ 6355.016471][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6355.016471][ T1167] [ 6357.041109][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6357.041553][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6357.041553][ T10] netdev_get_by_index+0x5e/0x80 [ 6357.041553][ T10] fib6_nh_init+0x3d8/0x1580 [ 6357.041553][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6357.041553][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6357.041553][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6357.041553][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6357.041553][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6357.041553][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6357.041553][ T10] addrconf_dad_begin+0x310/0x670 [ 6357.041553][ T10] addrconf_dad_work+0x10b/0xab0 [ 6357.041553][ T10] process_one_work+0x84d/0x18a0 [ 6357.041553][ T10] worker_thread+0x587/0xd30 [ 6357.041553][ T10] kthread+0x28a/0x350 [ 6357.041553][ T10] ret_from_fork+0x31/0x70 [ 6357.041553][ T10] ret_from_fork_asm+0x1a/0x30 [ 6357.041553][ T10] [ 6357.043737][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6357.043737][ T10] netdev_get_by_index+0x5e/0x80 [ 6357.043737][ T10] fib6_nh_init+0x3d8/0x1580 [ 6357.043737][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6357.043737][ T10] ip6_route_add+0x1c/0x140 [ 6357.043737][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6357.043737][ T10] inet6_addr_add+0x4f8/0xa40 [ 6357.043737][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6357.043737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.043737][ T10] netlink_rcv_skb+0x130/0x360 [ 6357.043737][ T10] netlink_unicast+0x449/0x710 [ 6357.043737][ T10] netlink_sendmsg+0x723/0xbe0 [ 6357.043737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6357.043737][ T10] ___sys_sendmsg+0xee/0x170 [ 6357.043737][ T10] __sys_sendmsg+0xcd/0x170 [ 6357.043737][ T10] do_syscall_64+0xc6/0x1e0 [ 6357.043737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.043737][ T10] [ 6357.046002][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6357.046002][ T10] netdev_get_by_index+0x5e/0x80 [ 6357.046002][ T10] fib6_nh_init+0x3d8/0x1580 [ 6357.046002][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6357.046002][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6357.046002][ T10] ipv6_add_addr+0x411/0x2000 [ 6357.046002][ T10] inet6_addr_add+0x30e/0xa40 [ 6357.046002][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6357.046002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.046002][ T10] netlink_rcv_skb+0x130/0x360 [ 6357.046002][ T10] netlink_unicast+0x449/0x710 [ 6357.046002][ T10] netlink_sendmsg+0x723/0xbe0 [ 6357.046002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6357.046002][ T10] ___sys_sendmsg+0xee/0x170 [ 6357.046002][ T10] __sys_sendmsg+0xcd/0x170 [ 6357.046002][ T10] do_syscall_64+0xc6/0x1e0 [ 6357.046002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.046002][ T10] [ 6357.048275][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6357.048275][ T10] netdev_get_by_index+0x5e/0x80 [ 6357.048275][ T10] fib6_nh_init+0x3d8/0x1580 [ 6357.048275][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6357.048275][ T10] ip6_route_add+0x1c/0x140 [ 6357.048275][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6357.048275][ T10] addrconf_add_dev+0xe2/0x170 [ 6357.048275][ T10] inet6_addr_add+0x12f/0xa40 [ 6357.048275][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6357.048275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.048275][ T10] netlink_rcv_skb+0x130/0x360 [ 6357.048275][ T10] netlink_unicast+0x449/0x710 [ 6357.048275][ T10] netlink_sendmsg+0x723/0xbe0 [ 6357.048275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6357.048275][ T10] ___sys_sendmsg+0xee/0x170 [ 6357.048275][ T10] __sys_sendmsg+0xcd/0x170 [ 6357.048275][ T10] do_syscall_64+0xc6/0x1e0 [ 6357.048275][ T10] [ 6357.050479][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6357.050479][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6357.050479][ T10] ipv6_find_idev+0x102/0x170 [ 6357.050479][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6357.050479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.050479][ T10] netlink_rcv_skb+0x130/0x360 [ 6357.050479][ T10] netlink_unicast+0x449/0x710 [ 6357.050479][ T10] netlink_sendmsg+0x723/0xbe0 [ 6357.050479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6357.050479][ T10] ___sys_sendmsg+0xee/0x170 [ 6357.050479][ T10] __sys_sendmsg+0xcd/0x170 [ 6357.050479][ T10] do_syscall_64+0xc6/0x1e0 [ 6357.050479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.050479][ T10] [ 6357.052227][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6357.052227][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6357.052227][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6357.052227][ T10] ipv6_find_idev+0x102/0x170 [ 6357.052227][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6357.052227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.052227][ T10] netlink_rcv_skb+0x130/0x360 [ 6357.052227][ T10] netlink_unicast+0x449/0x710 [ 6357.052227][ T10] netlink_sendmsg+0x723/0xbe0 [ 6357.052227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6357.052227][ T10] ___sys_sendmsg+0xee/0x170 [ 6357.052227][ T10] __sys_sendmsg+0xcd/0x170 [ 6357.052227][ T10] do_syscall_64+0xc6/0x1e0 [ 6357.052227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.052227][ T10] [ 6357.054131][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6357.054392][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6357.054392][ T10] netdev_get_by_index+0x5e/0x80 [ 6357.054392][ T10] fib6_nh_init+0x3d8/0x1580 [ 6357.054392][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6357.054392][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6357.054392][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6357.054392][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6357.054392][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6357.054392][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6357.054392][ T10] addrconf_dad_begin+0x310/0x670 [ 6357.054392][ T10] addrconf_dad_work+0x10b/0xab0 [ 6357.054392][ T10] process_one_work+0x84d/0x18a0 [ 6357.054392][ T10] worker_thread+0x587/0xd30 [ 6357.054392][ T10] kthread+0x28a/0x350 [ 6357.054392][ T10] ret_from_fork+0x31/0x70 [ 6357.054392][ T10] ret_from_fork_asm+0x1a/0x30 [ 6357.054392][ T10] [ 6357.056554][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6357.056554][ T10] netdev_get_by_index+0x5e/0x80 [ 6357.056554][ T10] fib6_nh_init+0x3d8/0x1580 [ 6357.056554][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6357.056554][ T10] ip6_route_add+0x1c/0x140 [ 6357.056554][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6357.056554][ T10] inet6_addr_add+0x4f8/0xa40 [ 6357.056554][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6357.056554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.056554][ T10] netlink_rcv_skb+0x130/0x360 [ 6357.056554][ T10] netlink_unicast+0x449/0x710 [ 6357.056554][ T10] netlink_sendmsg+0x723/0xbe0 [ 6357.056554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6357.056554][ T10] ___sys_sendmsg+0xee/0x170 [ 6357.056554][ T10] __sys_sendmsg+0xcd/0x170 [ 6357.056554][ T10] do_syscall_64+0xc6/0x1e0 [ 6357.056554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.056554][ T10] [ 6357.058807][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6357.058807][ T10] netdev_get_by_index+0x5e/0x80 [ 6357.058807][ T10] fib6_nh_init+0x3d8/0x1580 [ 6357.058807][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6357.058807][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6357.058807][ T10] ipv6_add_addr+0x411/0x2000 [ 6357.058807][ T10] inet6_addr_add+0x30e/0xa40 [ 6357.058807][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6357.058807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.058807][ T10] netlink_rcv_skb+0x130/0x360 [ 6357.058807][ T10] netlink_unicast+0x449/0x710 [ 6357.058807][ T10] netlink_sendmsg+0x723/0xbe0 [ 6357.058807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6357.058807][ T10] ___sys_sendmsg+0xee/0x170 [ 6357.058807][ T10] __sys_sendmsg+0xcd/0x170 [ 6357.058807][ T10] do_syscall_64+0xc6/0x1e0 [ 6357.058807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.058807][ T10] [ 6357.061051][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6357.061051][ T10] netdev_get_by_index+0x5e/0x80 [ 6357.061051][ T10] fib6_nh_init+0x3d8/0x1580 [ 6357.061051][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6357.061051][ T10] ip6_route_add+0x1c/0x140 [ 6357.061051][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6357.061051][ T10] addrconf_add_dev+0xe2/0x170 [ 6357.061051][ T10] inet6_addr_add+0x12f/0xa40 [ 6357.061051][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6357.061051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.061051][ T10] netlink_rcv_skb+0x130/0x360 [ 6357.061051][ T10] netlink_unicast+0x449/0x710 [ 6357.061051][ T10] netlink_sendmsg+0x723/0xbe0 [ 6357.061051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6357.061051][ T10] ___sys_sendmsg+0xee/0x170 [ 6357.061051][ T10] __sys_sendmsg+0xcd/0x170 [ 6357.061051][ T10] do_syscall_64+0xc6/0x1e0 [ 6357.061051][ T10] [ 6357.063266][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6357.063266][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6357.063266][ T10] ipv6_find_idev+0x102/0x170 [ 6357.063266][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6357.063266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.063266][ T10] netlink_rcv_skb+0x130/0x360 [ 6357.063266][ T10] netlink_unicast+0x449/0x710 [ 6357.063266][ T10] netlink_sendmsg+0x723/0xbe0 [ 6357.063266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6357.063266][ T10] ___sys_sendmsg+0xee/0x170 [ 6357.063266][ T10] __sys_sendmsg+0xcd/0x170 [ 6357.063266][ T10] do_syscall_64+0xc6/0x1e0 [ 6357.063266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.063266][ T10] [ 6357.065005][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6357.065005][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6357.065005][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6357.065005][ T10] ipv6_find_idev+0x102/0x170 [ 6357.065005][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6357.065005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.065005][ T10] netlink_rcv_skb+0x130/0x360 [ 6357.065005][ T10] netlink_unicast+0x449/0x710 [ 6357.065005][ T10] netlink_sendmsg+0x723/0xbe0 [ 6357.065005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6357.065005][ T10] ___sys_sendmsg+0xee/0x170 [ 6357.065005][ T10] __sys_sendmsg+0xcd/0x170 [ 6357.065005][ T10] do_syscall_64+0xc6/0x1e0 [ 6357.065005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.065005][ T10] [ 6357.066922][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6357.067204][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6357.067204][ T10] netdev_get_by_index+0x5e/0x80 [ 6357.067204][ T10] fib6_nh_init+0x3d8/0x1580 [ 6357.067204][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6357.067204][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6357.067204][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6357.067204][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6357.067204][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6357.067204][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6357.067204][ T10] addrconf_dad_begin+0x310/0x670 [ 6357.067204][ T10] addrconf_dad_work+0x10b/0xab0 [ 6357.067204][ T10] process_one_work+0x84d/0x18a0 [ 6357.067204][ T10] worker_thread+0x587/0xd30 [ 6357.067204][ T10] kthread+0x28a/0x350 [ 6357.067204][ T10] ret_from_fork+0x31/0x70 [ 6357.067204][ T10] ret_from_fork_asm+0x1a/0x30 [ 6357.067204][ T10] [ 6357.069358][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6357.069358][ T10] netdev_get_by_index+0x5e/0x80 [ 6357.069358][ T10] fib6_nh_init+0x3d8/0x1580 [ 6357.069358][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6357.069358][ T10] ip6_route_add+0x1c/0x140 [ 6357.069358][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6357.069358][ T10] inet6_addr_add+0x4f8/0xa40 [ 6357.069358][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6357.069358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.069358][ T10] netlink_rcv_skb+0x130/0x360 [ 6357.069358][ T10] netlink_unicast+0x449/0x710 [ 6357.069358][ T10] netlink_sendmsg+0x723/0xbe0 [ 6357.069358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6357.069358][ T10] ___sys_sendmsg+0xee/0x170 [ 6357.069358][ T10] __sys_sendmsg+0xcd/0x170 [ 6357.069358][ T10] do_syscall_64+0xc6/0x1e0 [ 6357.069358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.069358][ T10] [ 6357.071742][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6357.071742][ T10] netdev_get_by_index+0x5e/0x80 [ 6357.071742][ T10] fib6_nh_init+0x3d8/0x1580 [ 6357.071742][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6357.071742][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6357.071742][ T10] ipv6_add_addr+0x411/0x2000 [ 6357.071742][ T10] inet6_addr_add+0x30e/0xa40 [ 6357.071742][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6357.071742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.071742][ T10] netlink_rcv_skb+0x130/0x360 [ 6357.071742][ T10] netlink_unicast+0x449/0x710 [ 6357.071742][ T10] netlink_sendmsg+0x723/0xbe0 [ 6357.071742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6357.071742][ T10] ___sys_sendmsg+0xee/0x170 [ 6357.071742][ T10] __sys_sendmsg+0xcd/0x170 [ 6357.071742][ T10] do_syscall_64+0xc6/0x1e0 [ 6357.071742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.071742][ T10] [ 6357.074126][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6357.074126][ T10] netdev_get_by_index+0x5e/0x80 [ 6357.074126][ T10] fib6_nh_init+0x3d8/0x1580 [ 6357.074126][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6357.074126][ T10] ip6_route_add+0x1c/0x140 [ 6357.074126][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6357.074126][ T10] addrconf_add_dev+0xe2/0x170 [ 6357.074126][ T10] inet6_addr_add+0x12f/0xa40 [ 6357.074126][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6357.074126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.074126][ T10] netlink_rcv_skb+0x130/0x360 [ 6357.074126][ T10] netlink_unicast+0x449/0x710 [ 6357.074126][ T10] netlink_sendmsg+0x723/0xbe0 [ 6357.074126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6357.074126][ T10] ___sys_sendmsg+0xee/0x170 [ 6357.074126][ T10] __sys_sendmsg+0xcd/0x170 [ 6357.074126][ T10] do_syscall_64+0xc6/0x1e0 [ 6357.074126][ T10] [ 6357.076508][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6357.076508][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6357.076508][ T10] ipv6_find_idev+0x102/0x170 [ 6357.076508][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6357.076508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.076508][ T10] netlink_rcv_skb+0x130/0x360 [ 6357.076508][ T10] netlink_unicast+0x449/0x710 [ 6357.076508][ T10] netlink_sendmsg+0x723/0xbe0 [ 6357.076508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6357.076508][ T10] ___sys_sendmsg+0xee/0x170 [ 6357.076508][ T10] __sys_sendmsg+0xcd/0x170 [ 6357.076508][ T10] do_syscall_64+0xc6/0x1e0 [ 6357.076508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.076508][ T10] [ 6357.078379][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6357.078379][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6357.078379][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6357.078379][ T10] ipv6_find_idev+0x102/0x170 [ 6357.078379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6357.078379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.078379][ T10] netlink_rcv_skb+0x130/0x360 [ 6357.078379][ T10] netlink_unicast+0x449/0x710 [ 6357.078379][ T10] netlink_sendmsg+0x723/0xbe0 [ 6357.078379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6357.078379][ T10] ___sys_sendmsg+0xee/0x170 [ 6357.078379][ T10] __sys_sendmsg+0xcd/0x170 [ 6357.078379][ T10] do_syscall_64+0xc6/0x1e0 [ 6357.078379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.078379][ T10] [ 6357.080345][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6357.080616][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6357.080616][ T10] netdev_get_by_index+0x5e/0x80 [ 6357.080616][ T10] fib6_nh_init+0x3d8/0x1580 [ 6357.080616][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6357.080616][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6357.080616][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6357.080616][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6357.080616][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6357.080616][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6357.080616][ T10] addrconf_dad_begin+0x310/0x670 [ 6357.080616][ T10] addrconf_dad_work+0x10b/0xab0 [ 6357.080616][ T10] process_one_work+0x84d/0x18a0 [ 6357.080616][ T10] worker_thread+0x587/0xd30 [ 6357.080616][ T10] kthread+0x28a/0x350 [ 6357.080616][ T10] ret_from_fork+0x31/0x70 [ 6357.080616][ T10] ret_from_fork_asm+0x1a/0x30 [ 6357.080616][ T10] [ 6357.082897][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6357.082897][ T10] netdev_get_by_index+0x5e/0x80 [ 6357.082897][ T10] fib6_nh_init+0x3d8/0x1580 [ 6357.082897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6357.082897][ T10] ip6_route_add+0x1c/0x140 [ 6357.082897][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6357.082897][ T10] inet6_addr_add+0x4f8/0xa40 [ 6357.082897][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6357.082897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.082897][ T10] netlink_rcv_skb+0x130/0x360 [ 6357.082897][ T10] netlink_unicast+0x449/0x710 [ 6357.082897][ T10] netlink_sendmsg+0x723/0xbe0 [ 6357.082897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6357.082897][ T10] ___sys_sendmsg+0xee/0x170 [ 6357.082897][ T10] __sys_sendmsg+0xcd/0x170 [ 6357.082897][ T10] do_syscall_64+0xc6/0x1e0 [ 6357.082897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.082897][ T10] [ 6357.085291][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6357.085291][ T10] netdev_get_by_index+0x5e/0x80 [ 6357.085291][ T10] fib6_nh_init+0x3d8/0x1580 [ 6357.085291][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6357.085291][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6357.085291][ T10] ipv6_add_addr+0x411/0x2000 [ 6357.085291][ T10] inet6_addr_add+0x30e/0xa40 [ 6357.085291][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6357.085291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.085291][ T10] netlink_rcv_skb+0x130/0x360 [ 6357.085291][ T10] netlink_unicast+0x449/0x710 [ 6357.085291][ T10] netlink_sendmsg+0x723/0xbe0 [ 6357.085291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6357.085291][ T10] ___sys_sendmsg+0xee/0x170 [ 6357.085291][ T10] __sys_sendmsg+0xcd/0x170 [ 6357.085291][ T10] do_syscall_64+0xc6/0x1e0 [ 6357.085291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.085291][ T10] [ 6357.087671][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6357.087671][ T10] netdev_get_by_index+0x5e/0x80 [ 6357.087671][ T10] fib6_nh_init+0x3d8/0x1580 [ 6357.087671][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6357.087671][ T10] ip6_route_add+0x1c/0x140 [ 6357.087671][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6357.087671][ T10] addrconf_add_dev+0xe2/0x170 [ 6357.087671][ T10] inet6_addr_add+0x12f/0xa40 [ 6357.087671][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6357.087671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.087671][ T10] netlink_rcv_skb+0x130/0x360 [ 6357.087671][ T10] netlink_unicast+0x449/0x710 [ 6357.087671][ T10] netlink_sendmsg+0x723/0xbe0 [ 6357.087671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6357.087671][ T10] ___sys_sendmsg+0xee/0x170 [ 6357.087671][ T10] __sys_sendmsg+0xcd/0x170 [ 6357.087671][ T10] do_syscall_64+0xc6/0x1e0 [ 6357.087671][ T10] [ 6357.090014][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6357.090014][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6357.090014][ T10] ipv6_find_idev+0x102/0x170 [ 6357.090014][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6357.090014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.090014][ T10] netlink_rcv_skb+0x130/0x360 [ 6357.090014][ T10] netlink_unicast+0x449/0x710 [ 6357.090014][ T10] netlink_sendmsg+0x723/0xbe0 [ 6357.090014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6357.090014][ T10] ___sys_sendmsg+0xee/0x170 [ 6357.090014][ T10] __sys_sendmsg+0xcd/0x170 [ 6357.090014][ T10] do_syscall_64+0xc6/0x1e0 [ 6357.090014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.090014][ T10] [ 6357.091815][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6357.091815][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6357.091815][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6357.091815][ T10] ipv6_find_idev+0x102/0x170 [ 6357.091815][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6357.091815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6357.091815][ T10] netlink_rcv_skb+0x130/0x360 [ 6357.091815][ T10] netlink_unicast+0x449/0x710 [ 6357.091815][ T10] netlink_sendmsg+0x723/0xbe0 [ 6357.091815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6357.091815][ T10] ___sys_sendmsg+0xee/0x170 [ 6357.091815][ T10] __sys_sendmsg+0xcd/0x170 [ 6357.091815][ T10] do_syscall_64+0xc6/0x1e0 [ 6357.091815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6357.091815][ T10] [ 6365.257110][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6365.257595][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6365.257595][ T1167] dst_init+0x84/0x4a0 [ 6365.257595][ T1167] dst_alloc+0x97/0x150 [ 6365.257595][ T1167] ip6_dst_alloc+0x23/0x90 [ 6365.257595][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6365.257595][ T1167] ip6_pol_route+0x56f/0x840 [ 6365.257595][ T1167] fib6_rule_lookup+0x334/0x630 [ 6365.257595][ T1167] ip6_route_output_flags+0x259/0x480 [ 6365.257595][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6365.257595][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6365.257595][ T1167] netlink_rcv_skb+0x130/0x360 [ 6365.257595][ T1167] netlink_unicast+0x449/0x710 [ 6365.257595][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6365.257595][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6365.257595][ T1167] ___sys_sendmsg+0xee/0x170 [ 6365.257595][ T1167] __sys_sendmsg+0xcd/0x170 [ 6365.257595][ T1167] do_syscall_64+0xc6/0x1e0 [ 6365.257595][ T1167] [ 6365.260008][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6365.260008][ T1167] netdev_get_by_index+0x5e/0x80 [ 6365.260008][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6365.260008][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6365.260008][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6365.260008][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6365.260008][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6365.260008][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6365.260008][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6365.260008][ T1167] addrconf_dad_begin+0x310/0x670 [ 6365.260008][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6365.260008][ T1167] process_one_work+0x84d/0x18a0 [ 6365.260008][ T1167] worker_thread+0x587/0xd30 [ 6365.260008][ T1167] kthread+0x28a/0x350 [ 6365.260008][ T1167] ret_from_fork+0x31/0x70 [ 6365.260008][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6365.260008][ T1167] [ 6365.262407][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6365.262407][ T1167] netdev_get_by_index+0x5e/0x80 [ 6365.262407][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6365.262407][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6365.262407][ T1167] ip6_route_add+0x1c/0x140 [ 6365.262407][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6365.262407][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6365.262407][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6365.262407][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6365.262407][ T1167] netlink_rcv_skb+0x130/0x360 [ 6365.262407][ T1167] netlink_unicast+0x449/0x710 [ 6365.262407][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6365.262407][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6365.262407][ T1167] ___sys_sendmsg+0xee/0x170 [ 6365.262407][ T1167] __sys_sendmsg+0xcd/0x170 [ 6365.262407][ T1167] do_syscall_64+0xc6/0x1e0 [ 6365.262407][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6365.262407][ T1167] [ 6365.264885][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6365.264885][ T1167] netdev_get_by_index+0x5e/0x80 [ 6365.264885][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6365.264885][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6365.264885][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6365.264885][ T1167] ipv6_add_addr+0x411/0x2000 [ 6365.264885][ T1167] inet6_addr_add+0x30e/0xa40 [ 6365.264885][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6365.264885][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6365.264885][ T1167] netlink_rcv_skb+0x130/0x360 [ 6365.264885][ T1167] netlink_unicast+0x449/0x710 [ 6365.264885][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6365.264885][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6365.264885][ T1167] ___sys_sendmsg+0xee/0x170 [ 6365.264885][ T1167] __sys_sendmsg+0xcd/0x170 [ 6365.264885][ T1167] do_syscall_64+0xc6/0x1e0 [ 6365.264885][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6365.264885][ T1167] [ 6365.267336][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6365.267336][ T1167] netdev_get_by_index+0x5e/0x80 [ 6365.267336][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6365.267336][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6365.267336][ T1167] ip6_route_add+0x1c/0x140 [ 6365.267336][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6365.267336][ T1167] addrconf_add_dev+0xe2/0x170 [ 6365.267336][ T1167] inet6_addr_add+0x12f/0xa40 [ 6365.267336][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6365.267336][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6365.267336][ T1167] netlink_rcv_skb+0x130/0x360 [ 6365.267336][ T1167] netlink_unicast+0x449/0x710 [ 6365.267336][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6365.267336][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6365.267336][ T1167] ___sys_sendmsg+0xee/0x170 [ 6365.267336][ T1167] __sys_sendmsg+0xcd/0x170 [ 6365.267336][ T1167] do_syscall_64+0xc6/0x1e0 [ 6365.267336][ T1167] [ 6365.269744][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6365.269744][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6365.269744][ T1167] ipv6_find_idev+0x102/0x170 [ 6365.269744][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6365.269744][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6365.269744][ T1167] netlink_rcv_skb+0x130/0x360 [ 6365.269744][ T1167] netlink_unicast+0x449/0x710 [ 6365.269744][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6365.269744][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6365.269744][ T1167] ___sys_sendmsg+0xee/0x170 [ 6365.269744][ T1167] __sys_sendmsg+0xcd/0x170 [ 6365.269744][ T1167] do_syscall_64+0xc6/0x1e0 [ 6365.269744][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6365.269744][ T1167] [ 6365.271622][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6365.271622][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6365.271622][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6365.271622][ T1167] ipv6_find_idev+0x102/0x170 [ 6365.271622][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6365.271622][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6365.271622][ T1167] netlink_rcv_skb+0x130/0x360 [ 6365.271622][ T1167] netlink_unicast+0x449/0x710 [ 6365.271622][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6365.271622][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6365.271622][ T1167] ___sys_sendmsg+0xee/0x170 [ 6365.271622][ T1167] __sys_sendmsg+0xcd/0x170 [ 6365.271622][ T1167] do_syscall_64+0xc6/0x1e0 [ 6365.271622][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6365.271622][ T1167] [ 6367.337112][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6367.337566][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6367.337566][ T10] netdev_get_by_index+0x5e/0x80 [ 6367.337566][ T10] fib6_nh_init+0x3d8/0x1580 [ 6367.337566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6367.337566][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6367.337566][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6367.337566][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6367.337566][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6367.337566][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6367.337566][ T10] addrconf_dad_begin+0x310/0x670 [ 6367.337566][ T10] addrconf_dad_work+0x10b/0xab0 [ 6367.337566][ T10] process_one_work+0x84d/0x18a0 [ 6367.337566][ T10] worker_thread+0x587/0xd30 [ 6367.337566][ T10] kthread+0x28a/0x350 [ 6367.337566][ T10] ret_from_fork+0x31/0x70 [ 6367.337566][ T10] ret_from_fork_asm+0x1a/0x30 [ 6367.337566][ T10] [ 6367.339770][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6367.339770][ T10] netdev_get_by_index+0x5e/0x80 [ 6367.339770][ T10] fib6_nh_init+0x3d8/0x1580 [ 6367.339770][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6367.339770][ T10] ip6_route_add+0x1c/0x140 [ 6367.339770][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6367.339770][ T10] inet6_addr_add+0x4f8/0xa40 [ 6367.339770][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6367.339770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.339770][ T10] netlink_rcv_skb+0x130/0x360 [ 6367.339770][ T10] netlink_unicast+0x449/0x710 [ 6367.339770][ T10] netlink_sendmsg+0x723/0xbe0 [ 6367.339770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6367.339770][ T10] ___sys_sendmsg+0xee/0x170 [ 6367.339770][ T10] __sys_sendmsg+0xcd/0x170 [ 6367.339770][ T10] do_syscall_64+0xc6/0x1e0 [ 6367.339770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.339770][ T10] [ 6367.342019][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6367.342019][ T10] netdev_get_by_index+0x5e/0x80 [ 6367.342019][ T10] fib6_nh_init+0x3d8/0x1580 [ 6367.342019][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6367.342019][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6367.342019][ T10] ipv6_add_addr+0x411/0x2000 [ 6367.342019][ T10] inet6_addr_add+0x30e/0xa40 [ 6367.342019][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6367.342019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.342019][ T10] netlink_rcv_skb+0x130/0x360 [ 6367.342019][ T10] netlink_unicast+0x449/0x710 [ 6367.342019][ T10] netlink_sendmsg+0x723/0xbe0 [ 6367.342019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6367.342019][ T10] ___sys_sendmsg+0xee/0x170 [ 6367.342019][ T10] __sys_sendmsg+0xcd/0x170 [ 6367.342019][ T10] do_syscall_64+0xc6/0x1e0 [ 6367.342019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.342019][ T10] [ 6367.346134][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6367.346134][ T10] netdev_get_by_index+0x5e/0x80 [ 6367.346134][ T10] fib6_nh_init+0x3d8/0x1580 [ 6367.346134][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6367.346134][ T10] ip6_route_add+0x1c/0x140 [ 6367.346134][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6367.346134][ T10] addrconf_add_dev+0xe2/0x170 [ 6367.346134][ T10] inet6_addr_add+0x12f/0xa40 [ 6367.346134][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6367.346134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.346134][ T10] netlink_rcv_skb+0x130/0x360 [ 6367.346134][ T10] netlink_unicast+0x449/0x710 [ 6367.346134][ T10] netlink_sendmsg+0x723/0xbe0 [ 6367.346134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6367.346134][ T10] ___sys_sendmsg+0xee/0x170 [ 6367.346134][ T10] __sys_sendmsg+0xcd/0x170 [ 6367.346134][ T10] do_syscall_64+0xc6/0x1e0 [ 6367.346134][ T10] [ 6367.348364][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6367.348364][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6367.348364][ T10] ipv6_find_idev+0x102/0x170 [ 6367.348364][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6367.348364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.348364][ T10] netlink_rcv_skb+0x130/0x360 [ 6367.348364][ T10] netlink_unicast+0x449/0x710 [ 6367.348364][ T10] netlink_sendmsg+0x723/0xbe0 [ 6367.348364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6367.348364][ T10] ___sys_sendmsg+0xee/0x170 [ 6367.348364][ T10] __sys_sendmsg+0xcd/0x170 [ 6367.348364][ T10] do_syscall_64+0xc6/0x1e0 [ 6367.348364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.348364][ T10] [ 6367.350092][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6367.350092][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6367.350092][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6367.350092][ T10] ipv6_find_idev+0x102/0x170 [ 6367.350092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6367.350092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.350092][ T10] netlink_rcv_skb+0x130/0x360 [ 6367.350092][ T10] netlink_unicast+0x449/0x710 [ 6367.350092][ T10] netlink_sendmsg+0x723/0xbe0 [ 6367.350092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6367.350092][ T10] ___sys_sendmsg+0xee/0x170 [ 6367.350092][ T10] __sys_sendmsg+0xcd/0x170 [ 6367.350092][ T10] do_syscall_64+0xc6/0x1e0 [ 6367.350092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.350092][ T10] [ 6367.352025][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6367.352291][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6367.352291][ T10] netdev_get_by_index+0x5e/0x80 [ 6367.352291][ T10] fib6_nh_init+0x3d8/0x1580 [ 6367.352291][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6367.352291][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6367.352291][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6367.352291][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6367.352291][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6367.352291][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6367.352291][ T10] addrconf_dad_begin+0x310/0x670 [ 6367.352291][ T10] addrconf_dad_work+0x10b/0xab0 [ 6367.352291][ T10] process_one_work+0x84d/0x18a0 [ 6367.352291][ T10] worker_thread+0x587/0xd30 [ 6367.352291][ T10] kthread+0x28a/0x350 [ 6367.352291][ T10] ret_from_fork+0x31/0x70 [ 6367.352291][ T10] ret_from_fork_asm+0x1a/0x30 [ 6367.352291][ T10] [ 6367.354446][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6367.354446][ T10] netdev_get_by_index+0x5e/0x80 [ 6367.354446][ T10] fib6_nh_init+0x3d8/0x1580 [ 6367.354446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6367.354446][ T10] ip6_route_add+0x1c/0x140 [ 6367.354446][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6367.354446][ T10] inet6_addr_add+0x4f8/0xa40 [ 6367.354446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6367.354446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.354446][ T10] netlink_rcv_skb+0x130/0x360 [ 6367.354446][ T10] netlink_unicast+0x449/0x710 [ 6367.354446][ T10] netlink_sendmsg+0x723/0xbe0 [ 6367.354446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6367.354446][ T10] ___sys_sendmsg+0xee/0x170 [ 6367.354446][ T10] __sys_sendmsg+0xcd/0x170 [ 6367.354446][ T10] do_syscall_64+0xc6/0x1e0 [ 6367.354446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.354446][ T10] [ 6367.356696][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6367.356696][ T10] netdev_get_by_index+0x5e/0x80 [ 6367.356696][ T10] fib6_nh_init+0x3d8/0x1580 [ 6367.356696][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6367.356696][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6367.356696][ T10] ipv6_add_addr+0x411/0x2000 [ 6367.356696][ T10] inet6_addr_add+0x30e/0xa40 [ 6367.356696][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6367.356696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.356696][ T10] netlink_rcv_skb+0x130/0x360 [ 6367.356696][ T10] netlink_unicast+0x449/0x710 [ 6367.356696][ T10] netlink_sendmsg+0x723/0xbe0 [ 6367.356696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6367.356696][ T10] ___sys_sendmsg+0xee/0x170 [ 6367.356696][ T10] __sys_sendmsg+0xcd/0x170 [ 6367.356696][ T10] do_syscall_64+0xc6/0x1e0 [ 6367.356696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.356696][ T10] [ 6367.358953][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6367.358953][ T10] netdev_get_by_index+0x5e/0x80 [ 6367.358953][ T10] fib6_nh_init+0x3d8/0x1580 [ 6367.358953][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6367.358953][ T10] ip6_route_add+0x1c/0x140 [ 6367.358953][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6367.358953][ T10] addrconf_add_dev+0xe2/0x170 [ 6367.358953][ T10] inet6_addr_add+0x12f/0xa40 [ 6367.358953][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6367.358953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.358953][ T10] netlink_rcv_skb+0x130/0x360 [ 6367.358953][ T10] netlink_unicast+0x449/0x710 [ 6367.358953][ T10] netlink_sendmsg+0x723/0xbe0 [ 6367.358953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6367.358953][ T10] ___sys_sendmsg+0xee/0x170 [ 6367.358953][ T10] __sys_sendmsg+0xcd/0x170 [ 6367.358953][ T10] do_syscall_64+0xc6/0x1e0 [ 6367.358953][ T10] [ 6367.361155][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6367.361155][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6367.361155][ T10] ipv6_find_idev+0x102/0x170 [ 6367.361155][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6367.361155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.361155][ T10] netlink_rcv_skb+0x130/0x360 [ 6367.361155][ T10] netlink_unicast+0x449/0x710 [ 6367.361155][ T10] netlink_sendmsg+0x723/0xbe0 [ 6367.361155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6367.361155][ T10] ___sys_sendmsg+0xee/0x170 [ 6367.361155][ T10] __sys_sendmsg+0xcd/0x170 [ 6367.361155][ T10] do_syscall_64+0xc6/0x1e0 [ 6367.361155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.361155][ T10] [ 6367.362886][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6367.362886][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6367.362886][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6367.362886][ T10] ipv6_find_idev+0x102/0x170 [ 6367.362886][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6367.362886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.362886][ T10] netlink_rcv_skb+0x130/0x360 [ 6367.362886][ T10] netlink_unicast+0x449/0x710 [ 6367.362886][ T10] netlink_sendmsg+0x723/0xbe0 [ 6367.362886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6367.362886][ T10] ___sys_sendmsg+0xee/0x170 [ 6367.362886][ T10] __sys_sendmsg+0xcd/0x170 [ 6367.362886][ T10] do_syscall_64+0xc6/0x1e0 [ 6367.362886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.362886][ T10] [ 6367.364814][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6367.365088][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6367.365088][ T10] netdev_get_by_index+0x5e/0x80 [ 6367.365088][ T10] fib6_nh_init+0x3d8/0x1580 [ 6367.365088][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6367.365088][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6367.365088][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6367.365088][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6367.365088][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6367.365088][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6367.365088][ T10] addrconf_dad_begin+0x310/0x670 [ 6367.365088][ T10] addrconf_dad_work+0x10b/0xab0 [ 6367.365088][ T10] process_one_work+0x84d/0x18a0 [ 6367.365088][ T10] worker_thread+0x587/0xd30 [ 6367.365088][ T10] kthread+0x28a/0x350 [ 6367.365088][ T10] ret_from_fork+0x31/0x70 [ 6367.365088][ T10] ret_from_fork_asm+0x1a/0x30 [ 6367.365088][ T10] [ 6367.367240][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6367.367240][ T10] netdev_get_by_index+0x5e/0x80 [ 6367.367240][ T10] fib6_nh_init+0x3d8/0x1580 [ 6367.367240][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6367.367240][ T10] ip6_route_add+0x1c/0x140 [ 6367.367240][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6367.367240][ T10] inet6_addr_add+0x4f8/0xa40 [ 6367.367240][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6367.367240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.367240][ T10] netlink_rcv_skb+0x130/0x360 [ 6367.367240][ T10] netlink_unicast+0x449/0x710 [ 6367.367240][ T10] netlink_sendmsg+0x723/0xbe0 [ 6367.367240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6367.367240][ T10] ___sys_sendmsg+0xee/0x170 [ 6367.367240][ T10] __sys_sendmsg+0xcd/0x170 [ 6367.367240][ T10] do_syscall_64+0xc6/0x1e0 [ 6367.367240][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.367240][ T10] [ 6367.369699][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6367.369699][ T10] netdev_get_by_index+0x5e/0x80 [ 6367.369699][ T10] fib6_nh_init+0x3d8/0x1580 [ 6367.369699][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6367.369699][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6367.369699][ T10] ipv6_add_addr+0x411/0x2000 [ 6367.369699][ T10] inet6_addr_add+0x30e/0xa40 [ 6367.369699][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6367.369699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.369699][ T10] netlink_rcv_skb+0x130/0x360 [ 6367.369699][ T10] netlink_unicast+0x449/0x710 [ 6367.369699][ T10] netlink_sendmsg+0x723/0xbe0 [ 6367.369699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6367.369699][ T10] ___sys_sendmsg+0xee/0x170 [ 6367.369699][ T10] __sys_sendmsg+0xcd/0x170 [ 6367.369699][ T10] do_syscall_64+0xc6/0x1e0 [ 6367.369699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.369699][ T10] [ 6367.372270][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6367.372270][ T10] netdev_get_by_index+0x5e/0x80 [ 6367.372270][ T10] fib6_nh_init+0x3d8/0x1580 [ 6367.372270][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6367.372270][ T10] ip6_route_add+0x1c/0x140 [ 6367.372270][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6367.372270][ T10] addrconf_add_dev+0xe2/0x170 [ 6367.372270][ T10] inet6_addr_add+0x12f/0xa40 [ 6367.372270][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6367.372270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.372270][ T10] netlink_rcv_skb+0x130/0x360 [ 6367.372270][ T10] netlink_unicast+0x449/0x710 [ 6367.372270][ T10] netlink_sendmsg+0x723/0xbe0 [ 6367.372270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6367.372270][ T10] ___sys_sendmsg+0xee/0x170 [ 6367.372270][ T10] __sys_sendmsg+0xcd/0x170 [ 6367.372270][ T10] do_syscall_64+0xc6/0x1e0 [ 6367.372270][ T10] [ 6367.374743][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6367.374743][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6367.374743][ T10] ipv6_find_idev+0x102/0x170 [ 6367.374743][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6367.374743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.374743][ T10] netlink_rcv_skb+0x130/0x360 [ 6367.374743][ T10] netlink_unicast+0x449/0x710 [ 6367.374743][ T10] netlink_sendmsg+0x723/0xbe0 [ 6367.374743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6367.374743][ T10] ___sys_sendmsg+0xee/0x170 [ 6367.374743][ T10] __sys_sendmsg+0xcd/0x170 [ 6367.374743][ T10] do_syscall_64+0xc6/0x1e0 [ 6367.374743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.374743][ T10] [ 6367.376670][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6367.376670][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6367.376670][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6367.376670][ T10] ipv6_find_idev+0x102/0x170 [ 6367.376670][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6367.376670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.376670][ T10] netlink_rcv_skb+0x130/0x360 [ 6367.376670][ T10] netlink_unicast+0x449/0x710 [ 6367.376670][ T10] netlink_sendmsg+0x723/0xbe0 [ 6367.376670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6367.376670][ T10] ___sys_sendmsg+0xee/0x170 [ 6367.376670][ T10] __sys_sendmsg+0xcd/0x170 [ 6367.376670][ T10] do_syscall_64+0xc6/0x1e0 [ 6367.376670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.376670][ T10] [ 6367.378843][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6367.379556][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6367.379556][ T10] netdev_get_by_index+0x5e/0x80 [ 6367.379556][ T10] fib6_nh_init+0x3d8/0x1580 [ 6367.379556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6367.379556][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6367.379556][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6367.379556][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6367.379556][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6367.379556][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6367.379556][ T10] addrconf_dad_begin+0x310/0x670 [ 6367.379556][ T10] addrconf_dad_work+0x10b/0xab0 [ 6367.379556][ T10] process_one_work+0x84d/0x18a0 [ 6367.379556][ T10] worker_thread+0x587/0xd30 [ 6367.379556][ T10] kthread+0x28a/0x350 [ 6367.379556][ T10] ret_from_fork+0x31/0x70 [ 6367.379556][ T10] ret_from_fork_asm+0x1a/0x30 [ 6367.379556][ T10] [ 6367.381717][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6367.381717][ T10] netdev_get_by_index+0x5e/0x80 [ 6367.381717][ T10] fib6_nh_init+0x3d8/0x1580 [ 6367.381717][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6367.381717][ T10] ip6_route_add+0x1c/0x140 [ 6367.381717][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6367.381717][ T10] inet6_addr_add+0x4f8/0xa40 [ 6367.381717][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6367.381717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.381717][ T10] netlink_rcv_skb+0x130/0x360 [ 6367.381717][ T10] netlink_unicast+0x449/0x710 [ 6367.381717][ T10] netlink_sendmsg+0x723/0xbe0 [ 6367.381717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6367.381717][ T10] ___sys_sendmsg+0xee/0x170 [ 6367.381717][ T10] __sys_sendmsg+0xcd/0x170 [ 6367.381717][ T10] do_syscall_64+0xc6/0x1e0 [ 6367.381717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.381717][ T10] [ 6367.384115][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6367.384115][ T10] netdev_get_by_index+0x5e/0x80 [ 6367.384115][ T10] fib6_nh_init+0x3d8/0x1580 [ 6367.384115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6367.384115][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6367.384115][ T10] ipv6_add_addr+0x411/0x2000 [ 6367.384115][ T10] inet6_addr_add+0x30e/0xa40 [ 6367.384115][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6367.384115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.384115][ T10] netlink_rcv_skb+0x130/0x360 [ 6367.384115][ T10] netlink_unicast+0x449/0x710 [ 6367.384115][ T10] netlink_sendmsg+0x723/0xbe0 [ 6367.384115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6367.384115][ T10] ___sys_sendmsg+0xee/0x170 [ 6367.384115][ T10] __sys_sendmsg+0xcd/0x170 [ 6367.384115][ T10] do_syscall_64+0xc6/0x1e0 [ 6367.384115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.384115][ T10] [ 6367.386611][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6367.386611][ T10] netdev_get_by_index+0x5e/0x80 [ 6367.386611][ T10] fib6_nh_init+0x3d8/0x1580 [ 6367.386611][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6367.386611][ T10] ip6_route_add+0x1c/0x140 [ 6367.386611][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6367.386611][ T10] addrconf_add_dev+0xe2/0x170 [ 6367.386611][ T10] inet6_addr_add+0x12f/0xa40 [ 6367.386611][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6367.386611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.386611][ T10] netlink_rcv_skb+0x130/0x360 [ 6367.386611][ T10] netlink_unicast+0x449/0x710 [ 6367.386611][ T10] netlink_sendmsg+0x723/0xbe0 [ 6367.386611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6367.386611][ T10] ___sys_sendmsg+0xee/0x170 [ 6367.386611][ T10] __sys_sendmsg+0xcd/0x170 [ 6367.386611][ T10] do_syscall_64+0xc6/0x1e0 [ 6367.386611][ T10] [ 6367.389037][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6367.389037][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6367.389037][ T10] ipv6_find_idev+0x102/0x170 [ 6367.389037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6367.389037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.389037][ T10] netlink_rcv_skb+0x130/0x360 [ 6367.389037][ T10] netlink_unicast+0x449/0x710 [ 6367.389037][ T10] netlink_sendmsg+0x723/0xbe0 [ 6367.389037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6367.389037][ T10] ___sys_sendmsg+0xee/0x170 [ 6367.389037][ T10] __sys_sendmsg+0xcd/0x170 [ 6367.389037][ T10] do_syscall_64+0xc6/0x1e0 [ 6367.389037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.389037][ T10] [ 6367.390953][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6367.390953][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6367.390953][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6367.390953][ T10] ipv6_find_idev+0x102/0x170 [ 6367.390953][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6367.390953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6367.390953][ T10] netlink_rcv_skb+0x130/0x360 [ 6367.390953][ T10] netlink_unicast+0x449/0x710 [ 6367.390953][ T10] netlink_sendmsg+0x723/0xbe0 [ 6367.390953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6367.390953][ T10] ___sys_sendmsg+0xee/0x170 [ 6367.390953][ T10] __sys_sendmsg+0xcd/0x170 [ 6367.390953][ T10] do_syscall_64+0xc6/0x1e0 [ 6367.390953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6367.390953][ T10] [ 6375.513104][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6375.513654][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6375.513654][ T1167] dst_init+0x84/0x4a0 [ 6375.513654][ T1167] dst_alloc+0x97/0x150 [ 6375.513654][ T1167] ip6_dst_alloc+0x23/0x90 [ 6375.513654][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6375.513654][ T1167] ip6_pol_route+0x56f/0x840 [ 6375.513654][ T1167] fib6_rule_lookup+0x334/0x630 [ 6375.513654][ T1167] ip6_route_output_flags+0x259/0x480 [ 6375.513654][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6375.513654][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6375.513654][ T1167] netlink_rcv_skb+0x130/0x360 [ 6375.513654][ T1167] netlink_unicast+0x449/0x710 [ 6375.513654][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6375.513654][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6375.513654][ T1167] ___sys_sendmsg+0xee/0x170 [ 6375.513654][ T1167] __sys_sendmsg+0xcd/0x170 [ 6375.513654][ T1167] do_syscall_64+0xc6/0x1e0 [ 6375.513654][ T1167] [ 6375.516071][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6375.516071][ T1167] netdev_get_by_index+0x5e/0x80 [ 6375.516071][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6375.516071][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6375.516071][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6375.516071][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6375.516071][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6375.516071][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6375.516071][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6375.516071][ T1167] addrconf_dad_begin+0x310/0x670 [ 6375.516071][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6375.516071][ T1167] process_one_work+0x84d/0x18a0 [ 6375.516071][ T1167] worker_thread+0x587/0xd30 [ 6375.516071][ T1167] kthread+0x28a/0x350 [ 6375.516071][ T1167] ret_from_fork+0x31/0x70 [ 6375.516071][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6375.516071][ T1167] [ 6375.518461][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6375.518461][ T1167] netdev_get_by_index+0x5e/0x80 [ 6375.518461][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6375.518461][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6375.518461][ T1167] ip6_route_add+0x1c/0x140 [ 6375.518461][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6375.518461][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6375.518461][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6375.518461][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6375.518461][ T1167] netlink_rcv_skb+0x130/0x360 [ 6375.518461][ T1167] netlink_unicast+0x449/0x710 [ 6375.518461][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6375.518461][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6375.518461][ T1167] ___sys_sendmsg+0xee/0x170 [ 6375.518461][ T1167] __sys_sendmsg+0xcd/0x170 [ 6375.518461][ T1167] do_syscall_64+0xc6/0x1e0 [ 6375.518461][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6375.518461][ T1167] [ 6375.520921][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6375.520921][ T1167] netdev_get_by_index+0x5e/0x80 [ 6375.520921][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6375.520921][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6375.520921][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6375.520921][ T1167] ipv6_add_addr+0x411/0x2000 [ 6375.520921][ T1167] inet6_addr_add+0x30e/0xa40 [ 6375.520921][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6375.520921][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6375.520921][ T1167] netlink_rcv_skb+0x130/0x360 [ 6375.520921][ T1167] netlink_unicast+0x449/0x710 [ 6375.520921][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6375.520921][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6375.520921][ T1167] ___sys_sendmsg+0xee/0x170 [ 6375.520921][ T1167] __sys_sendmsg+0xcd/0x170 [ 6375.520921][ T1167] do_syscall_64+0xc6/0x1e0 [ 6375.520921][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6375.520921][ T1167] [ 6375.523394][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6375.523394][ T1167] netdev_get_by_index+0x5e/0x80 [ 6375.523394][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6375.523394][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6375.523394][ T1167] ip6_route_add+0x1c/0x140 [ 6375.523394][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6375.523394][ T1167] addrconf_add_dev+0xe2/0x170 [ 6375.523394][ T1167] inet6_addr_add+0x12f/0xa40 [ 6375.523394][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6375.523394][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6375.523394][ T1167] netlink_rcv_skb+0x130/0x360 [ 6375.523394][ T1167] netlink_unicast+0x449/0x710 [ 6375.523394][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6375.523394][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6375.523394][ T1167] ___sys_sendmsg+0xee/0x170 [ 6375.523394][ T1167] __sys_sendmsg+0xcd/0x170 [ 6375.523394][ T1167] do_syscall_64+0xc6/0x1e0 [ 6375.523394][ T1167] [ 6375.525815][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6375.525815][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6375.525815][ T1167] ipv6_find_idev+0x102/0x170 [ 6375.525815][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6375.525815][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6375.525815][ T1167] netlink_rcv_skb+0x130/0x360 [ 6375.525815][ T1167] netlink_unicast+0x449/0x710 [ 6375.525815][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6375.525815][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6375.525815][ T1167] ___sys_sendmsg+0xee/0x170 [ 6375.525815][ T1167] __sys_sendmsg+0xcd/0x170 [ 6375.525815][ T1167] do_syscall_64+0xc6/0x1e0 [ 6375.525815][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6375.525815][ T1167] [ 6375.527711][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6375.527711][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6375.527711][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6375.527711][ T1167] ipv6_find_idev+0x102/0x170 [ 6375.527711][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6375.527711][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6375.527711][ T1167] netlink_rcv_skb+0x130/0x360 [ 6375.527711][ T1167] netlink_unicast+0x449/0x710 [ 6375.527711][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6375.527711][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6375.527711][ T1167] ___sys_sendmsg+0xee/0x170 [ 6375.527711][ T1167] __sys_sendmsg+0xcd/0x170 [ 6375.527711][ T1167] do_syscall_64+0xc6/0x1e0 [ 6375.527711][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6375.527711][ T1167] [ 6377.633103][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6377.633576][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6377.633576][ T10] netdev_get_by_index+0x5e/0x80 [ 6377.633576][ T10] fib6_nh_init+0x3d8/0x1580 [ 6377.633576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6377.633576][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6377.633576][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6377.633576][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6377.633576][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6377.633576][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6377.633576][ T10] addrconf_dad_begin+0x310/0x670 [ 6377.633576][ T10] addrconf_dad_work+0x10b/0xab0 [ 6377.633576][ T10] process_one_work+0x84d/0x18a0 [ 6377.633576][ T10] worker_thread+0x587/0xd30 [ 6377.633576][ T10] kthread+0x28a/0x350 [ 6377.633576][ T10] ret_from_fork+0x31/0x70 [ 6377.633576][ T10] ret_from_fork_asm+0x1a/0x30 [ 6377.633576][ T10] [ 6377.635545][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6377.635545][ T10] netdev_get_by_index+0x5e/0x80 [ 6377.635545][ T10] fib6_nh_init+0x3d8/0x1580 [ 6377.635545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6377.635545][ T10] ip6_route_add+0x1c/0x140 [ 6377.635545][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6377.635545][ T10] inet6_addr_add+0x4f8/0xa40 [ 6377.635545][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6377.635545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.635545][ T10] netlink_rcv_skb+0x130/0x360 [ 6377.635545][ T10] netlink_unicast+0x449/0x710 [ 6377.635545][ T10] netlink_sendmsg+0x723/0xbe0 [ 6377.635545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6377.635545][ T10] ___sys_sendmsg+0xee/0x170 [ 6377.635545][ T10] __sys_sendmsg+0xcd/0x170 [ 6377.635545][ T10] do_syscall_64+0xc6/0x1e0 [ 6377.635545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.635545][ T10] [ 6377.637595][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6377.637595][ T10] netdev_get_by_index+0x5e/0x80 [ 6377.637595][ T10] fib6_nh_init+0x3d8/0x1580 [ 6377.637595][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6377.637595][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6377.637595][ T10] ipv6_add_addr+0x411/0x2000 [ 6377.637595][ T10] inet6_addr_add+0x30e/0xa40 [ 6377.637595][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6377.637595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.637595][ T10] netlink_rcv_skb+0x130/0x360 [ 6377.637595][ T10] netlink_unicast+0x449/0x710 [ 6377.637595][ T10] netlink_sendmsg+0x723/0xbe0 [ 6377.637595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6377.637595][ T10] ___sys_sendmsg+0xee/0x170 [ 6377.637595][ T10] __sys_sendmsg+0xcd/0x170 [ 6377.637595][ T10] do_syscall_64+0xc6/0x1e0 [ 6377.637595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.637595][ T10] [ 6377.639635][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6377.639635][ T10] netdev_get_by_index+0x5e/0x80 [ 6377.639635][ T10] fib6_nh_init+0x3d8/0x1580 [ 6377.639635][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6377.639635][ T10] ip6_route_add+0x1c/0x140 [ 6377.639635][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6377.639635][ T10] addrconf_add_dev+0xe2/0x170 [ 6377.639635][ T10] inet6_addr_add+0x12f/0xa40 [ 6377.639635][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6377.639635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.639635][ T10] netlink_rcv_skb+0x130/0x360 [ 6377.639635][ T10] netlink_unicast+0x449/0x710 [ 6377.639635][ T10] netlink_sendmsg+0x723/0xbe0 [ 6377.639635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6377.639635][ T10] ___sys_sendmsg+0xee/0x170 [ 6377.639635][ T10] __sys_sendmsg+0xcd/0x170 [ 6377.639635][ T10] do_syscall_64+0xc6/0x1e0 [ 6377.639635][ T10] [ 6377.641648][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6377.641648][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6377.641648][ T10] ipv6_find_idev+0x102/0x170 [ 6377.641648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6377.641648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.641648][ T10] netlink_rcv_skb+0x130/0x360 [ 6377.641648][ T10] netlink_unicast+0x449/0x710 [ 6377.641648][ T10] netlink_sendmsg+0x723/0xbe0 [ 6377.641648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6377.641648][ T10] ___sys_sendmsg+0xee/0x170 [ 6377.641648][ T10] __sys_sendmsg+0xcd/0x170 [ 6377.641648][ T10] do_syscall_64+0xc6/0x1e0 [ 6377.641648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.641648][ T10] [ 6377.643200][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6377.643200][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6377.643200][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6377.643200][ T10] ipv6_find_idev+0x102/0x170 [ 6377.643200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6377.643200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.643200][ T10] netlink_rcv_skb+0x130/0x360 [ 6377.643200][ T10] netlink_unicast+0x449/0x710 [ 6377.643200][ T10] netlink_sendmsg+0x723/0xbe0 [ 6377.643200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6377.643200][ T10] ___sys_sendmsg+0xee/0x170 [ 6377.643200][ T10] __sys_sendmsg+0xcd/0x170 [ 6377.643200][ T10] do_syscall_64+0xc6/0x1e0 [ 6377.643200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.643200][ T10] [ 6377.644923][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6377.645186][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6377.645186][ T10] netdev_get_by_index+0x5e/0x80 [ 6377.645186][ T10] fib6_nh_init+0x3d8/0x1580 [ 6377.645186][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6377.645186][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6377.645186][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6377.645186][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6377.645186][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6377.645186][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6377.645186][ T10] addrconf_dad_begin+0x310/0x670 [ 6377.645186][ T10] addrconf_dad_work+0x10b/0xab0 [ 6377.645186][ T10] process_one_work+0x84d/0x18a0 [ 6377.645186][ T10] worker_thread+0x587/0xd30 [ 6377.645186][ T10] kthread+0x28a/0x350 [ 6377.645186][ T10] ret_from_fork+0x31/0x70 [ 6377.645186][ T10] ret_from_fork_asm+0x1a/0x30 [ 6377.645186][ T10] [ 6377.647110][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6377.647110][ T10] netdev_get_by_index+0x5e/0x80 [ 6377.647110][ T10] fib6_nh_init+0x3d8/0x1580 [ 6377.647110][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6377.647110][ T10] ip6_route_add+0x1c/0x140 [ 6377.647110][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6377.647110][ T10] inet6_addr_add+0x4f8/0xa40 [ 6377.647110][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6377.647110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.647110][ T10] netlink_rcv_skb+0x130/0x360 [ 6377.647110][ T10] netlink_unicast+0x449/0x710 [ 6377.647110][ T10] netlink_sendmsg+0x723/0xbe0 [ 6377.647110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6377.647110][ T10] ___sys_sendmsg+0xee/0x170 [ 6377.647110][ T10] __sys_sendmsg+0xcd/0x170 [ 6377.647110][ T10] do_syscall_64+0xc6/0x1e0 [ 6377.647110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.647110][ T10] [ 6377.649128][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6377.649128][ T10] netdev_get_by_index+0x5e/0x80 [ 6377.649128][ T10] fib6_nh_init+0x3d8/0x1580 [ 6377.649128][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6377.649128][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6377.649128][ T10] ipv6_add_addr+0x411/0x2000 [ 6377.649128][ T10] inet6_addr_add+0x30e/0xa40 [ 6377.649128][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6377.649128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.649128][ T10] netlink_rcv_skb+0x130/0x360 [ 6377.649128][ T10] netlink_unicast+0x449/0x710 [ 6377.649128][ T10] netlink_sendmsg+0x723/0xbe0 [ 6377.649128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6377.649128][ T10] ___sys_sendmsg+0xee/0x170 [ 6377.649128][ T10] __sys_sendmsg+0xcd/0x170 [ 6377.649128][ T10] do_syscall_64+0xc6/0x1e0 [ 6377.649128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.649128][ T10] [ 6377.651144][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6377.651144][ T10] netdev_get_by_index+0x5e/0x80 [ 6377.651144][ T10] fib6_nh_init+0x3d8/0x1580 [ 6377.651144][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6377.651144][ T10] ip6_route_add+0x1c/0x140 [ 6377.651144][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6377.651144][ T10] addrconf_add_dev+0xe2/0x170 [ 6377.651144][ T10] inet6_addr_add+0x12f/0xa40 [ 6377.651144][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6377.651144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.651144][ T10] netlink_rcv_skb+0x130/0x360 [ 6377.651144][ T10] netlink_unicast+0x449/0x710 [ 6377.651144][ T10] netlink_sendmsg+0x723/0xbe0 [ 6377.651144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6377.651144][ T10] ___sys_sendmsg+0xee/0x170 [ 6377.651144][ T10] __sys_sendmsg+0xcd/0x170 [ 6377.651144][ T10] do_syscall_64+0xc6/0x1e0 [ 6377.651144][ T10] [ 6377.653128][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6377.653128][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6377.653128][ T10] ipv6_find_idev+0x102/0x170 [ 6377.653128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6377.653128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.653128][ T10] netlink_rcv_skb+0x130/0x360 [ 6377.653128][ T10] netlink_unicast+0x449/0x710 [ 6377.653128][ T10] netlink_sendmsg+0x723/0xbe0 [ 6377.653128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6377.653128][ T10] ___sys_sendmsg+0xee/0x170 [ 6377.653128][ T10] __sys_sendmsg+0xcd/0x170 [ 6377.653128][ T10] do_syscall_64+0xc6/0x1e0 [ 6377.653128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.653128][ T10] [ 6377.654686][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6377.654686][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6377.654686][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6377.654686][ T10] ipv6_find_idev+0x102/0x170 [ 6377.654686][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6377.654686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.654686][ T10] netlink_rcv_skb+0x130/0x360 [ 6377.654686][ T10] netlink_unicast+0x449/0x710 [ 6377.654686][ T10] netlink_sendmsg+0x723/0xbe0 [ 6377.654686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6377.654686][ T10] ___sys_sendmsg+0xee/0x170 [ 6377.654686][ T10] __sys_sendmsg+0xcd/0x170 [ 6377.654686][ T10] do_syscall_64+0xc6/0x1e0 [ 6377.654686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.654686][ T10] [ 6377.656416][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6377.656664][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6377.656664][ T10] netdev_get_by_index+0x5e/0x80 [ 6377.656664][ T10] fib6_nh_init+0x3d8/0x1580 [ 6377.656664][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6377.656664][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6377.656664][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6377.656664][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6377.656664][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6377.656664][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6377.656664][ T10] addrconf_dad_begin+0x310/0x670 [ 6377.656664][ T10] addrconf_dad_work+0x10b/0xab0 [ 6377.656664][ T10] process_one_work+0x84d/0x18a0 [ 6377.656664][ T10] worker_thread+0x587/0xd30 [ 6377.656664][ T10] kthread+0x28a/0x350 [ 6377.656664][ T10] ret_from_fork+0x31/0x70 [ 6377.656664][ T10] ret_from_fork_asm+0x1a/0x30 [ 6377.656664][ T10] [ 6377.658598][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6377.658598][ T10] netdev_get_by_index+0x5e/0x80 [ 6377.658598][ T10] fib6_nh_init+0x3d8/0x1580 [ 6377.658598][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6377.658598][ T10] ip6_route_add+0x1c/0x140 [ 6377.658598][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6377.658598][ T10] inet6_addr_add+0x4f8/0xa40 [ 6377.658598][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6377.658598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.658598][ T10] netlink_rcv_skb+0x130/0x360 [ 6377.658598][ T10] netlink_unicast+0x449/0x710 [ 6377.658598][ T10] netlink_sendmsg+0x723/0xbe0 [ 6377.658598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6377.658598][ T10] ___sys_sendmsg+0xee/0x170 [ 6377.658598][ T10] __sys_sendmsg+0xcd/0x170 [ 6377.658598][ T10] do_syscall_64+0xc6/0x1e0 [ 6377.658598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.658598][ T10] [ 6377.660793][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6377.660793][ T10] netdev_get_by_index+0x5e/0x80 [ 6377.660793][ T10] fib6_nh_init+0x3d8/0x1580 [ 6377.660793][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6377.660793][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6377.660793][ T10] ipv6_add_addr+0x411/0x2000 [ 6377.660793][ T10] inet6_addr_add+0x30e/0xa40 [ 6377.660793][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6377.660793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.660793][ T10] netlink_rcv_skb+0x130/0x360 [ 6377.660793][ T10] netlink_unicast+0x449/0x710 [ 6377.660793][ T10] netlink_sendmsg+0x723/0xbe0 [ 6377.660793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6377.660793][ T10] ___sys_sendmsg+0xee/0x170 [ 6377.660793][ T10] __sys_sendmsg+0xcd/0x170 [ 6377.660793][ T10] do_syscall_64+0xc6/0x1e0 [ 6377.660793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.660793][ T10] [ 6377.663043][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6377.663043][ T10] netdev_get_by_index+0x5e/0x80 [ 6377.663043][ T10] fib6_nh_init+0x3d8/0x1580 [ 6377.663043][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6377.663043][ T10] ip6_route_add+0x1c/0x140 [ 6377.663043][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6377.663043][ T10] addrconf_add_dev+0xe2/0x170 [ 6377.663043][ T10] inet6_addr_add+0x12f/0xa40 [ 6377.663043][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6377.663043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.663043][ T10] netlink_rcv_skb+0x130/0x360 [ 6377.663043][ T10] netlink_unicast+0x449/0x710 [ 6377.663043][ T10] netlink_sendmsg+0x723/0xbe0 [ 6377.663043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6377.663043][ T10] ___sys_sendmsg+0xee/0x170 [ 6377.663043][ T10] __sys_sendmsg+0xcd/0x170 [ 6377.663043][ T10] do_syscall_64+0xc6/0x1e0 [ 6377.663043][ T10] [ 6377.665258][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6377.665258][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6377.665258][ T10] ipv6_find_idev+0x102/0x170 [ 6377.665258][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6377.665258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.665258][ T10] netlink_rcv_skb+0x130/0x360 [ 6377.665258][ T10] netlink_unicast+0x449/0x710 [ 6377.665258][ T10] netlink_sendmsg+0x723/0xbe0 [ 6377.665258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6377.665258][ T10] ___sys_sendmsg+0xee/0x170 [ 6377.665258][ T10] __sys_sendmsg+0xcd/0x170 [ 6377.665258][ T10] do_syscall_64+0xc6/0x1e0 [ 6377.665258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.665258][ T10] [ 6377.667001][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6377.667001][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6377.667001][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6377.667001][ T10] ipv6_find_idev+0x102/0x170 [ 6377.667001][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6377.667001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.667001][ T10] netlink_rcv_skb+0x130/0x360 [ 6377.667001][ T10] netlink_unicast+0x449/0x710 [ 6377.667001][ T10] netlink_sendmsg+0x723/0xbe0 [ 6377.667001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6377.667001][ T10] ___sys_sendmsg+0xee/0x170 [ 6377.667001][ T10] __sys_sendmsg+0xcd/0x170 [ 6377.667001][ T10] do_syscall_64+0xc6/0x1e0 [ 6377.667001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.667001][ T10] [ 6377.669366][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6377.670035][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6377.670035][ T10] netdev_get_by_index+0x5e/0x80 [ 6377.670035][ T10] fib6_nh_init+0x3d8/0x1580 [ 6377.670035][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6377.670035][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6377.670035][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6377.670035][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6377.670035][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6377.670035][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6377.670035][ T10] addrconf_dad_begin+0x310/0x670 [ 6377.670035][ T10] addrconf_dad_work+0x10b/0xab0 [ 6377.670035][ T10] process_one_work+0x84d/0x18a0 [ 6377.670035][ T10] worker_thread+0x587/0xd30 [ 6377.670035][ T10] kthread+0x28a/0x350 [ 6377.670035][ T10] ret_from_fork+0x31/0x70 [ 6377.670035][ T10] ret_from_fork_asm+0x1a/0x30 [ 6377.670035][ T10] [ 6377.671949][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6377.671949][ T10] netdev_get_by_index+0x5e/0x80 [ 6377.671949][ T10] fib6_nh_init+0x3d8/0x1580 [ 6377.671949][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6377.671949][ T10] ip6_route_add+0x1c/0x140 [ 6377.671949][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6377.671949][ T10] inet6_addr_add+0x4f8/0xa40 [ 6377.671949][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6377.671949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.671949][ T10] netlink_rcv_skb+0x130/0x360 [ 6377.671949][ T10] netlink_unicast+0x449/0x710 [ 6377.671949][ T10] netlink_sendmsg+0x723/0xbe0 [ 6377.671949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6377.671949][ T10] ___sys_sendmsg+0xee/0x170 [ 6377.671949][ T10] __sys_sendmsg+0xcd/0x170 [ 6377.671949][ T10] do_syscall_64+0xc6/0x1e0 [ 6377.671949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.671949][ T10] [ 6377.673958][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6377.673958][ T10] netdev_get_by_index+0x5e/0x80 [ 6377.673958][ T10] fib6_nh_init+0x3d8/0x1580 [ 6377.673958][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6377.673958][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6377.673958][ T10] ipv6_add_addr+0x411/0x2000 [ 6377.673958][ T10] inet6_addr_add+0x30e/0xa40 [ 6377.673958][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6377.673958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.673958][ T10] netlink_rcv_skb+0x130/0x360 [ 6377.673958][ T10] netlink_unicast+0x449/0x710 [ 6377.673958][ T10] netlink_sendmsg+0x723/0xbe0 [ 6377.673958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6377.673958][ T10] ___sys_sendmsg+0xee/0x170 [ 6377.673958][ T10] __sys_sendmsg+0xcd/0x170 [ 6377.673958][ T10] do_syscall_64+0xc6/0x1e0 [ 6377.673958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.673958][ T10] [ 6377.675963][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6377.675963][ T10] netdev_get_by_index+0x5e/0x80 [ 6377.675963][ T10] fib6_nh_init+0x3d8/0x1580 [ 6377.675963][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6377.675963][ T10] ip6_route_add+0x1c/0x140 [ 6377.675963][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6377.675963][ T10] addrconf_add_dev+0xe2/0x170 [ 6377.675963][ T10] inet6_addr_add+0x12f/0xa40 [ 6377.675963][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6377.675963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.675963][ T10] netlink_rcv_skb+0x130/0x360 [ 6377.675963][ T10] netlink_unicast+0x449/0x710 [ 6377.675963][ T10] netlink_sendmsg+0x723/0xbe0 [ 6377.675963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6377.675963][ T10] ___sys_sendmsg+0xee/0x170 [ 6377.675963][ T10] __sys_sendmsg+0xcd/0x170 [ 6377.675963][ T10] do_syscall_64+0xc6/0x1e0 [ 6377.675963][ T10] [ 6377.678191][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6377.678191][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6377.678191][ T10] ipv6_find_idev+0x102/0x170 [ 6377.678191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6377.678191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.678191][ T10] netlink_rcv_skb+0x130/0x360 [ 6377.678191][ T10] netlink_unicast+0x449/0x710 [ 6377.678191][ T10] netlink_sendmsg+0x723/0xbe0 [ 6377.678191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6377.678191][ T10] ___sys_sendmsg+0xee/0x170 [ 6377.678191][ T10] __sys_sendmsg+0xcd/0x170 [ 6377.678191][ T10] do_syscall_64+0xc6/0x1e0 [ 6377.678191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.678191][ T10] [ 6377.679852][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6377.679852][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6377.679852][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6377.679852][ T10] ipv6_find_idev+0x102/0x170 [ 6377.679852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6377.679852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6377.679852][ T10] netlink_rcv_skb+0x130/0x360 [ 6377.679852][ T10] netlink_unicast+0x449/0x710 [ 6377.679852][ T10] netlink_sendmsg+0x723/0xbe0 [ 6377.679852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6377.679852][ T10] ___sys_sendmsg+0xee/0x170 [ 6377.679852][ T10] __sys_sendmsg+0xcd/0x170 [ 6377.679852][ T10] do_syscall_64+0xc6/0x1e0 [ 6377.679852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6377.679852][ T10] [ 6385.769125][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6385.769628][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6385.769628][ T1167] dst_init+0x84/0x4a0 [ 6385.769628][ T1167] dst_alloc+0x97/0x150 [ 6385.769628][ T1167] ip6_dst_alloc+0x23/0x90 [ 6385.769628][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6385.769628][ T1167] ip6_pol_route+0x56f/0x840 [ 6385.769628][ T1167] fib6_rule_lookup+0x334/0x630 [ 6385.769628][ T1167] ip6_route_output_flags+0x259/0x480 [ 6385.769628][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6385.769628][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6385.769628][ T1167] netlink_rcv_skb+0x130/0x360 [ 6385.769628][ T1167] netlink_unicast+0x449/0x710 [ 6385.769628][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6385.769628][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6385.769628][ T1167] ___sys_sendmsg+0xee/0x170 [ 6385.769628][ T1167] __sys_sendmsg+0xcd/0x170 [ 6385.769628][ T1167] do_syscall_64+0xc6/0x1e0 [ 6385.769628][ T1167] [ 6385.772066][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6385.772066][ T1167] netdev_get_by_index+0x5e/0x80 [ 6385.772066][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6385.772066][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6385.772066][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6385.772066][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6385.772066][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6385.772066][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6385.772066][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6385.772066][ T1167] addrconf_dad_begin+0x310/0x670 [ 6385.772066][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6385.772066][ T1167] process_one_work+0x84d/0x18a0 [ 6385.772066][ T1167] worker_thread+0x587/0xd30 [ 6385.772066][ T1167] kthread+0x28a/0x350 [ 6385.772066][ T1167] ret_from_fork+0x31/0x70 [ 6385.772066][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6385.772066][ T1167] [ 6385.774437][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6385.774437][ T1167] netdev_get_by_index+0x5e/0x80 [ 6385.774437][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6385.774437][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6385.774437][ T1167] ip6_route_add+0x1c/0x140 [ 6385.774437][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6385.774437][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6385.774437][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6385.774437][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6385.774437][ T1167] netlink_rcv_skb+0x130/0x360 [ 6385.774437][ T1167] netlink_unicast+0x449/0x710 [ 6385.774437][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6385.774437][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6385.774437][ T1167] ___sys_sendmsg+0xee/0x170 [ 6385.774437][ T1167] __sys_sendmsg+0xcd/0x170 [ 6385.774437][ T1167] do_syscall_64+0xc6/0x1e0 [ 6385.774437][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6385.774437][ T1167] [ 6385.777064][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6385.777064][ T1167] netdev_get_by_index+0x5e/0x80 [ 6385.777064][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6385.777064][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6385.777064][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6385.777064][ T1167] ipv6_add_addr+0x411/0x2000 [ 6385.777064][ T1167] inet6_addr_add+0x30e/0xa40 [ 6385.777064][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6385.777064][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6385.777064][ T1167] netlink_rcv_skb+0x130/0x360 [ 6385.777064][ T1167] netlink_unicast+0x449/0x710 [ 6385.777064][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6385.777064][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6385.777064][ T1167] ___sys_sendmsg+0xee/0x170 [ 6385.777064][ T1167] __sys_sendmsg+0xcd/0x170 [ 6385.777064][ T1167] do_syscall_64+0xc6/0x1e0 [ 6385.777064][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6385.777064][ T1167] [ 6385.779574][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6385.779574][ T1167] netdev_get_by_index+0x5e/0x80 [ 6385.779574][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6385.779574][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6385.779574][ T1167] ip6_route_add+0x1c/0x140 [ 6385.779574][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6385.779574][ T1167] addrconf_add_dev+0xe2/0x170 [ 6385.779574][ T1167] inet6_addr_add+0x12f/0xa40 [ 6385.779574][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6385.779574][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6385.779574][ T1167] netlink_rcv_skb+0x130/0x360 [ 6385.779574][ T1167] netlink_unicast+0x449/0x710 [ 6385.779574][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6385.779574][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6385.779574][ T1167] ___sys_sendmsg+0xee/0x170 [ 6385.779574][ T1167] __sys_sendmsg+0xcd/0x170 [ 6385.779574][ T1167] do_syscall_64+0xc6/0x1e0 [ 6385.779574][ T1167] [ 6385.782027][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6385.782027][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6385.782027][ T1167] ipv6_find_idev+0x102/0x170 [ 6385.782027][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6385.782027][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6385.782027][ T1167] netlink_rcv_skb+0x130/0x360 [ 6385.782027][ T1167] netlink_unicast+0x449/0x710 [ 6385.782027][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6385.782027][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6385.782027][ T1167] ___sys_sendmsg+0xee/0x170 [ 6385.782027][ T1167] __sys_sendmsg+0xcd/0x170 [ 6385.782027][ T1167] do_syscall_64+0xc6/0x1e0 [ 6385.782027][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6385.782027][ T1167] [ 6385.783931][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6385.783931][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6385.783931][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6385.783931][ T1167] ipv6_find_idev+0x102/0x170 [ 6385.783931][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6385.783931][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6385.783931][ T1167] netlink_rcv_skb+0x130/0x360 [ 6385.783931][ T1167] netlink_unicast+0x449/0x710 [ 6385.783931][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6385.783931][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6385.783931][ T1167] ___sys_sendmsg+0xee/0x170 [ 6385.783931][ T1167] __sys_sendmsg+0xcd/0x170 [ 6385.783931][ T1167] do_syscall_64+0xc6/0x1e0 [ 6385.783931][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6385.783931][ T1167] [ 6387.921129][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6387.921594][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6387.921594][ T10] netdev_get_by_index+0x5e/0x80 [ 6387.921594][ T10] fib6_nh_init+0x3d8/0x1580 [ 6387.921594][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6387.921594][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6387.921594][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6387.921594][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6387.921594][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6387.921594][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6387.921594][ T10] addrconf_dad_begin+0x310/0x670 [ 6387.921594][ T10] addrconf_dad_work+0x10b/0xab0 [ 6387.921594][ T10] process_one_work+0x84d/0x18a0 [ 6387.921594][ T10] worker_thread+0x587/0xd30 [ 6387.921594][ T10] kthread+0x28a/0x350 [ 6387.921594][ T10] ret_from_fork+0x31/0x70 [ 6387.921594][ T10] ret_from_fork_asm+0x1a/0x30 [ 6387.921594][ T10] [ 6387.923550][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6387.923550][ T10] netdev_get_by_index+0x5e/0x80 [ 6387.923550][ T10] fib6_nh_init+0x3d8/0x1580 [ 6387.923550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6387.923550][ T10] ip6_route_add+0x1c/0x140 [ 6387.923550][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6387.923550][ T10] inet6_addr_add+0x4f8/0xa40 [ 6387.923550][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6387.923550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.923550][ T10] netlink_rcv_skb+0x130/0x360 [ 6387.923550][ T10] netlink_unicast+0x449/0x710 [ 6387.923550][ T10] netlink_sendmsg+0x723/0xbe0 [ 6387.923550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6387.923550][ T10] ___sys_sendmsg+0xee/0x170 [ 6387.923550][ T10] __sys_sendmsg+0xcd/0x170 [ 6387.923550][ T10] do_syscall_64+0xc6/0x1e0 [ 6387.923550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.923550][ T10] [ 6387.925576][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6387.925576][ T10] netdev_get_by_index+0x5e/0x80 [ 6387.925576][ T10] fib6_nh_init+0x3d8/0x1580 [ 6387.925576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6387.925576][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6387.925576][ T10] ipv6_add_addr+0x411/0x2000 [ 6387.925576][ T10] inet6_addr_add+0x30e/0xa40 [ 6387.925576][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6387.925576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.925576][ T10] netlink_rcv_skb+0x130/0x360 [ 6387.925576][ T10] netlink_unicast+0x449/0x710 [ 6387.925576][ T10] netlink_sendmsg+0x723/0xbe0 [ 6387.925576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6387.925576][ T10] ___sys_sendmsg+0xee/0x170 [ 6387.925576][ T10] __sys_sendmsg+0xcd/0x170 [ 6387.925576][ T10] do_syscall_64+0xc6/0x1e0 [ 6387.925576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.925576][ T10] [ 6387.927598][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6387.927598][ T10] netdev_get_by_index+0x5e/0x80 [ 6387.927598][ T10] fib6_nh_init+0x3d8/0x1580 [ 6387.927598][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6387.927598][ T10] ip6_route_add+0x1c/0x140 [ 6387.927598][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6387.927598][ T10] addrconf_add_dev+0xe2/0x170 [ 6387.927598][ T10] inet6_addr_add+0x12f/0xa40 [ 6387.927598][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6387.927598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.927598][ T10] netlink_rcv_skb+0x130/0x360 [ 6387.927598][ T10] netlink_unicast+0x449/0x710 [ 6387.927598][ T10] netlink_sendmsg+0x723/0xbe0 [ 6387.927598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6387.927598][ T10] ___sys_sendmsg+0xee/0x170 [ 6387.927598][ T10] __sys_sendmsg+0xcd/0x170 [ 6387.927598][ T10] do_syscall_64+0xc6/0x1e0 [ 6387.927598][ T10] [ 6387.929585][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6387.929585][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6387.929585][ T10] ipv6_find_idev+0x102/0x170 [ 6387.929585][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6387.929585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.929585][ T10] netlink_rcv_skb+0x130/0x360 [ 6387.929585][ T10] netlink_unicast+0x449/0x710 [ 6387.929585][ T10] netlink_sendmsg+0x723/0xbe0 [ 6387.929585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6387.929585][ T10] ___sys_sendmsg+0xee/0x170 [ 6387.929585][ T10] __sys_sendmsg+0xcd/0x170 [ 6387.929585][ T10] do_syscall_64+0xc6/0x1e0 [ 6387.929585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.929585][ T10] [ 6387.931130][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6387.931130][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6387.931130][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6387.931130][ T10] ipv6_find_idev+0x102/0x170 [ 6387.931130][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6387.931130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.931130][ T10] netlink_rcv_skb+0x130/0x360 [ 6387.931130][ T10] netlink_unicast+0x449/0x710 [ 6387.931130][ T10] netlink_sendmsg+0x723/0xbe0 [ 6387.931130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6387.931130][ T10] ___sys_sendmsg+0xee/0x170 [ 6387.931130][ T10] __sys_sendmsg+0xcd/0x170 [ 6387.931130][ T10] do_syscall_64+0xc6/0x1e0 [ 6387.931130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.931130][ T10] [ 6387.932871][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6387.933139][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6387.933139][ T10] netdev_get_by_index+0x5e/0x80 [ 6387.933139][ T10] fib6_nh_init+0x3d8/0x1580 [ 6387.933139][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6387.933139][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6387.933139][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6387.933139][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6387.933139][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6387.933139][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6387.933139][ T10] addrconf_dad_begin+0x310/0x670 [ 6387.933139][ T10] addrconf_dad_work+0x10b/0xab0 [ 6387.933139][ T10] process_one_work+0x84d/0x18a0 [ 6387.933139][ T10] worker_thread+0x587/0xd30 [ 6387.933139][ T10] kthread+0x28a/0x350 [ 6387.933139][ T10] ret_from_fork+0x31/0x70 [ 6387.933139][ T10] ret_from_fork_asm+0x1a/0x30 [ 6387.933139][ T10] [ 6387.935079][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6387.935079][ T10] netdev_get_by_index+0x5e/0x80 [ 6387.935079][ T10] fib6_nh_init+0x3d8/0x1580 [ 6387.935079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6387.935079][ T10] ip6_route_add+0x1c/0x140 [ 6387.935079][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6387.935079][ T10] inet6_addr_add+0x4f8/0xa40 [ 6387.935079][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6387.935079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.935079][ T10] netlink_rcv_skb+0x130/0x360 [ 6387.935079][ T10] netlink_unicast+0x449/0x710 [ 6387.935079][ T10] netlink_sendmsg+0x723/0xbe0 [ 6387.935079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6387.935079][ T10] ___sys_sendmsg+0xee/0x170 [ 6387.935079][ T10] __sys_sendmsg+0xcd/0x170 [ 6387.935079][ T10] do_syscall_64+0xc6/0x1e0 [ 6387.935079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.935079][ T10] [ 6387.937115][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6387.937115][ T10] netdev_get_by_index+0x5e/0x80 [ 6387.937115][ T10] fib6_nh_init+0x3d8/0x1580 [ 6387.937115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6387.937115][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6387.937115][ T10] ipv6_add_addr+0x411/0x2000 [ 6387.937115][ T10] inet6_addr_add+0x30e/0xa40 [ 6387.937115][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6387.937115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.937115][ T10] netlink_rcv_skb+0x130/0x360 [ 6387.937115][ T10] netlink_unicast+0x449/0x710 [ 6387.937115][ T10] netlink_sendmsg+0x723/0xbe0 [ 6387.937115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6387.937115][ T10] ___sys_sendmsg+0xee/0x170 [ 6387.937115][ T10] __sys_sendmsg+0xcd/0x170 [ 6387.937115][ T10] do_syscall_64+0xc6/0x1e0 [ 6387.937115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.937115][ T10] [ 6387.939147][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6387.939147][ T10] netdev_get_by_index+0x5e/0x80 [ 6387.939147][ T10] fib6_nh_init+0x3d8/0x1580 [ 6387.939147][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6387.939147][ T10] ip6_route_add+0x1c/0x140 [ 6387.939147][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6387.939147][ T10] addrconf_add_dev+0xe2/0x170 [ 6387.939147][ T10] inet6_addr_add+0x12f/0xa40 [ 6387.939147][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6387.939147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.939147][ T10] netlink_rcv_skb+0x130/0x360 [ 6387.939147][ T10] netlink_unicast+0x449/0x710 [ 6387.939147][ T10] netlink_sendmsg+0x723/0xbe0 [ 6387.939147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6387.939147][ T10] ___sys_sendmsg+0xee/0x170 [ 6387.939147][ T10] __sys_sendmsg+0xcd/0x170 [ 6387.939147][ T10] do_syscall_64+0xc6/0x1e0 [ 6387.939147][ T10] [ 6387.941123][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6387.941123][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6387.941123][ T10] ipv6_find_idev+0x102/0x170 [ 6387.941123][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6387.941123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.941123][ T10] netlink_rcv_skb+0x130/0x360 [ 6387.941123][ T10] netlink_unicast+0x449/0x710 [ 6387.941123][ T10] netlink_sendmsg+0x723/0xbe0 [ 6387.941123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6387.941123][ T10] ___sys_sendmsg+0xee/0x170 [ 6387.941123][ T10] __sys_sendmsg+0xcd/0x170 [ 6387.941123][ T10] do_syscall_64+0xc6/0x1e0 [ 6387.941123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.941123][ T10] [ 6387.942671][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6387.942671][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6387.942671][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6387.942671][ T10] ipv6_find_idev+0x102/0x170 [ 6387.942671][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6387.942671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.942671][ T10] netlink_rcv_skb+0x130/0x360 [ 6387.942671][ T10] netlink_unicast+0x449/0x710 [ 6387.942671][ T10] netlink_sendmsg+0x723/0xbe0 [ 6387.942671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6387.942671][ T10] ___sys_sendmsg+0xee/0x170 [ 6387.942671][ T10] __sys_sendmsg+0xcd/0x170 [ 6387.942671][ T10] do_syscall_64+0xc6/0x1e0 [ 6387.942671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.942671][ T10] [ 6387.944387][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6387.944628][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6387.944628][ T10] netdev_get_by_index+0x5e/0x80 [ 6387.944628][ T10] fib6_nh_init+0x3d8/0x1580 [ 6387.944628][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6387.944628][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6387.944628][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6387.944628][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6387.944628][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6387.944628][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6387.944628][ T10] addrconf_dad_begin+0x310/0x670 [ 6387.944628][ T10] addrconf_dad_work+0x10b/0xab0 [ 6387.944628][ T10] process_one_work+0x84d/0x18a0 [ 6387.944628][ T10] worker_thread+0x587/0xd30 [ 6387.944628][ T10] kthread+0x28a/0x350 [ 6387.944628][ T10] ret_from_fork+0x31/0x70 [ 6387.944628][ T10] ret_from_fork_asm+0x1a/0x30 [ 6387.944628][ T10] [ 6387.946588][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6387.946588][ T10] netdev_get_by_index+0x5e/0x80 [ 6387.946588][ T10] fib6_nh_init+0x3d8/0x1580 [ 6387.946588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6387.946588][ T10] ip6_route_add+0x1c/0x140 [ 6387.946588][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6387.946588][ T10] inet6_addr_add+0x4f8/0xa40 [ 6387.946588][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6387.946588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.946588][ T10] netlink_rcv_skb+0x130/0x360 [ 6387.946588][ T10] netlink_unicast+0x449/0x710 [ 6387.946588][ T10] netlink_sendmsg+0x723/0xbe0 [ 6387.946588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6387.946588][ T10] ___sys_sendmsg+0xee/0x170 [ 6387.946588][ T10] __sys_sendmsg+0xcd/0x170 [ 6387.946588][ T10] do_syscall_64+0xc6/0x1e0 [ 6387.946588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.946588][ T10] [ 6387.948809][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6387.948809][ T10] netdev_get_by_index+0x5e/0x80 [ 6387.948809][ T10] fib6_nh_init+0x3d8/0x1580 [ 6387.948809][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6387.948809][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6387.948809][ T10] ipv6_add_addr+0x411/0x2000 [ 6387.948809][ T10] inet6_addr_add+0x30e/0xa40 [ 6387.948809][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6387.948809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.948809][ T10] netlink_rcv_skb+0x130/0x360 [ 6387.948809][ T10] netlink_unicast+0x449/0x710 [ 6387.948809][ T10] netlink_sendmsg+0x723/0xbe0 [ 6387.948809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6387.948809][ T10] ___sys_sendmsg+0xee/0x170 [ 6387.948809][ T10] __sys_sendmsg+0xcd/0x170 [ 6387.948809][ T10] do_syscall_64+0xc6/0x1e0 [ 6387.948809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.948809][ T10] [ 6387.951157][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6387.951157][ T10] netdev_get_by_index+0x5e/0x80 [ 6387.951157][ T10] fib6_nh_init+0x3d8/0x1580 [ 6387.951157][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6387.951157][ T10] ip6_route_add+0x1c/0x140 [ 6387.951157][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6387.951157][ T10] addrconf_add_dev+0xe2/0x170 [ 6387.951157][ T10] inet6_addr_add+0x12f/0xa40 [ 6387.951157][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6387.951157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.951157][ T10] netlink_rcv_skb+0x130/0x360 [ 6387.951157][ T10] netlink_unicast+0x449/0x710 [ 6387.951157][ T10] netlink_sendmsg+0x723/0xbe0 [ 6387.951157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6387.951157][ T10] ___sys_sendmsg+0xee/0x170 [ 6387.951157][ T10] __sys_sendmsg+0xcd/0x170 [ 6387.951157][ T10] do_syscall_64+0xc6/0x1e0 [ 6387.951157][ T10] [ 6387.953377][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6387.953377][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6387.953377][ T10] ipv6_find_idev+0x102/0x170 [ 6387.953377][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6387.953377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.953377][ T10] netlink_rcv_skb+0x130/0x360 [ 6387.953377][ T10] netlink_unicast+0x449/0x710 [ 6387.953377][ T10] netlink_sendmsg+0x723/0xbe0 [ 6387.953377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6387.953377][ T10] ___sys_sendmsg+0xee/0x170 [ 6387.953377][ T10] __sys_sendmsg+0xcd/0x170 [ 6387.953377][ T10] do_syscall_64+0xc6/0x1e0 [ 6387.953377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.953377][ T10] [ 6387.955122][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6387.955122][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6387.955122][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6387.955122][ T10] ipv6_find_idev+0x102/0x170 [ 6387.955122][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6387.955122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.955122][ T10] netlink_rcv_skb+0x130/0x360 [ 6387.955122][ T10] netlink_unicast+0x449/0x710 [ 6387.955122][ T10] netlink_sendmsg+0x723/0xbe0 [ 6387.955122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6387.955122][ T10] ___sys_sendmsg+0xee/0x170 [ 6387.955122][ T10] __sys_sendmsg+0xcd/0x170 [ 6387.955122][ T10] do_syscall_64+0xc6/0x1e0 [ 6387.955122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.955122][ T10] [ 6387.957019][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6387.957277][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6387.957277][ T10] netdev_get_by_index+0x5e/0x80 [ 6387.957277][ T10] fib6_nh_init+0x3d8/0x1580 [ 6387.957277][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6387.957277][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6387.957277][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6387.957277][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6387.957277][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6387.957277][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6387.957277][ T10] addrconf_dad_begin+0x310/0x670 [ 6387.957277][ T10] addrconf_dad_work+0x10b/0xab0 [ 6387.957277][ T10] process_one_work+0x84d/0x18a0 [ 6387.957277][ T10] worker_thread+0x587/0xd30 [ 6387.957277][ T10] kthread+0x28a/0x350 [ 6387.957277][ T10] ret_from_fork+0x31/0x70 [ 6387.957277][ T10] ret_from_fork_asm+0x1a/0x30 [ 6387.957277][ T10] [ 6387.959535][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6387.959535][ T10] netdev_get_by_index+0x5e/0x80 [ 6387.959535][ T10] fib6_nh_init+0x3d8/0x1580 [ 6387.959535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6387.959535][ T10] ip6_route_add+0x1c/0x140 [ 6387.959535][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6387.959535][ T10] inet6_addr_add+0x4f8/0xa40 [ 6387.959535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6387.959535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.959535][ T10] netlink_rcv_skb+0x130/0x360 [ 6387.959535][ T10] netlink_unicast+0x449/0x710 [ 6387.959535][ T10] netlink_sendmsg+0x723/0xbe0 [ 6387.959535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6387.959535][ T10] ___sys_sendmsg+0xee/0x170 [ 6387.959535][ T10] __sys_sendmsg+0xcd/0x170 [ 6387.959535][ T10] do_syscall_64+0xc6/0x1e0 [ 6387.959535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.959535][ T10] [ 6387.961807][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6387.961807][ T10] netdev_get_by_index+0x5e/0x80 [ 6387.961807][ T10] fib6_nh_init+0x3d8/0x1580 [ 6387.961807][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6387.961807][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6387.961807][ T10] ipv6_add_addr+0x411/0x2000 [ 6387.961807][ T10] inet6_addr_add+0x30e/0xa40 [ 6387.961807][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6387.961807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.961807][ T10] netlink_rcv_skb+0x130/0x360 [ 6387.961807][ T10] netlink_unicast+0x449/0x710 [ 6387.961807][ T10] netlink_sendmsg+0x723/0xbe0 [ 6387.961807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6387.961807][ T10] ___sys_sendmsg+0xee/0x170 [ 6387.961807][ T10] __sys_sendmsg+0xcd/0x170 [ 6387.961807][ T10] do_syscall_64+0xc6/0x1e0 [ 6387.961807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.961807][ T10] [ 6387.964075][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6387.964075][ T10] netdev_get_by_index+0x5e/0x80 [ 6387.964075][ T10] fib6_nh_init+0x3d8/0x1580 [ 6387.964075][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6387.964075][ T10] ip6_route_add+0x1c/0x140 [ 6387.964075][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6387.964075][ T10] addrconf_add_dev+0xe2/0x170 [ 6387.964075][ T10] inet6_addr_add+0x12f/0xa40 [ 6387.964075][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6387.964075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.964075][ T10] netlink_rcv_skb+0x130/0x360 [ 6387.964075][ T10] netlink_unicast+0x449/0x710 [ 6387.964075][ T10] netlink_sendmsg+0x723/0xbe0 [ 6387.964075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6387.964075][ T10] ___sys_sendmsg+0xee/0x170 [ 6387.964075][ T10] __sys_sendmsg+0xcd/0x170 [ 6387.964075][ T10] do_syscall_64+0xc6/0x1e0 [ 6387.964075][ T10] [ 6387.966237][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6387.966237][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6387.966237][ T10] ipv6_find_idev+0x102/0x170 [ 6387.966237][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6387.966237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.966237][ T10] netlink_rcv_skb+0x130/0x360 [ 6387.966237][ T10] netlink_unicast+0x449/0x710 [ 6387.966237][ T10] netlink_sendmsg+0x723/0xbe0 [ 6387.966237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6387.966237][ T10] ___sys_sendmsg+0xee/0x170 [ 6387.966237][ T10] __sys_sendmsg+0xcd/0x170 [ 6387.966237][ T10] do_syscall_64+0xc6/0x1e0 [ 6387.966237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.966237][ T10] [ 6387.967981][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6387.967981][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6387.967981][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6387.967981][ T10] ipv6_find_idev+0x102/0x170 [ 6387.967981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6387.967981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6387.967981][ T10] netlink_rcv_skb+0x130/0x360 [ 6387.967981][ T10] netlink_unicast+0x449/0x710 [ 6387.967981][ T10] netlink_sendmsg+0x723/0xbe0 [ 6387.967981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6387.967981][ T10] ___sys_sendmsg+0xee/0x170 [ 6387.967981][ T10] __sys_sendmsg+0xcd/0x170 [ 6387.967981][ T10] do_syscall_64+0xc6/0x1e0 [ 6387.967981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6387.967981][ T10] [ 6396.025113][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6396.025642][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6396.025642][ T1167] dst_init+0x84/0x4a0 [ 6396.025642][ T1167] dst_alloc+0x97/0x150 [ 6396.025642][ T1167] ip6_dst_alloc+0x23/0x90 [ 6396.025642][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6396.025642][ T1167] ip6_pol_route+0x56f/0x840 [ 6396.025642][ T1167] fib6_rule_lookup+0x334/0x630 [ 6396.025642][ T1167] ip6_route_output_flags+0x259/0x480 [ 6396.025642][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6396.025642][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6396.025642][ T1167] netlink_rcv_skb+0x130/0x360 [ 6396.025642][ T1167] netlink_unicast+0x449/0x710 [ 6396.025642][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6396.025642][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6396.025642][ T1167] ___sys_sendmsg+0xee/0x170 [ 6396.025642][ T1167] __sys_sendmsg+0xcd/0x170 [ 6396.025642][ T1167] do_syscall_64+0xc6/0x1e0 [ 6396.025642][ T1167] [ 6396.028069][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6396.028069][ T1167] netdev_get_by_index+0x5e/0x80 [ 6396.028069][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6396.028069][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6396.028069][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6396.028069][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6396.028069][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6396.028069][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6396.028069][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6396.028069][ T1167] addrconf_dad_begin+0x310/0x670 [ 6396.028069][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6396.028069][ T1167] process_one_work+0x84d/0x18a0 [ 6396.028069][ T1167] worker_thread+0x587/0xd30 [ 6396.028069][ T1167] kthread+0x28a/0x350 [ 6396.028069][ T1167] ret_from_fork+0x31/0x70 [ 6396.028069][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6396.028069][ T1167] [ 6396.030430][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6396.030430][ T1167] netdev_get_by_index+0x5e/0x80 [ 6396.030430][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6396.030430][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6396.030430][ T1167] ip6_route_add+0x1c/0x140 [ 6396.030430][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6396.030430][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6396.030430][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6396.030430][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.030430][ T1167] netlink_rcv_skb+0x130/0x360 [ 6396.030430][ T1167] netlink_unicast+0x449/0x710 [ 6396.030430][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6396.030430][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6396.030430][ T1167] ___sys_sendmsg+0xee/0x170 [ 6396.030430][ T1167] __sys_sendmsg+0xcd/0x170 [ 6396.030430][ T1167] do_syscall_64+0xc6/0x1e0 [ 6396.030430][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6396.030430][ T1167] [ 6396.032896][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6396.032896][ T1167] netdev_get_by_index+0x5e/0x80 [ 6396.032896][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6396.032896][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6396.032896][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6396.032896][ T1167] ipv6_add_addr+0x411/0x2000 [ 6396.032896][ T1167] inet6_addr_add+0x30e/0xa40 [ 6396.032896][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6396.032896][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.032896][ T1167] netlink_rcv_skb+0x130/0x360 [ 6396.032896][ T1167] netlink_unicast+0x449/0x710 [ 6396.032896][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6396.032896][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6396.032896][ T1167] ___sys_sendmsg+0xee/0x170 [ 6396.032896][ T1167] __sys_sendmsg+0xcd/0x170 [ 6396.032896][ T1167] do_syscall_64+0xc6/0x1e0 [ 6396.032896][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6396.032896][ T1167] [ 6396.035358][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6396.035358][ T1167] netdev_get_by_index+0x5e/0x80 [ 6396.035358][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6396.035358][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6396.035358][ T1167] ip6_route_add+0x1c/0x140 [ 6396.035358][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6396.035358][ T1167] addrconf_add_dev+0xe2/0x170 [ 6396.035358][ T1167] inet6_addr_add+0x12f/0xa40 [ 6396.035358][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6396.035358][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.035358][ T1167] netlink_rcv_skb+0x130/0x360 [ 6396.035358][ T1167] netlink_unicast+0x449/0x710 [ 6396.035358][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6396.035358][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6396.035358][ T1167] ___sys_sendmsg+0xee/0x170 [ 6396.035358][ T1167] __sys_sendmsg+0xcd/0x170 [ 6396.035358][ T1167] do_syscall_64+0xc6/0x1e0 [ 6396.035358][ T1167] [ 6396.037797][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6396.037797][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6396.037797][ T1167] ipv6_find_idev+0x102/0x170 [ 6396.037797][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6396.037797][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.037797][ T1167] netlink_rcv_skb+0x130/0x360 [ 6396.037797][ T1167] netlink_unicast+0x449/0x710 [ 6396.037797][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6396.037797][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6396.037797][ T1167] ___sys_sendmsg+0xee/0x170 [ 6396.037797][ T1167] __sys_sendmsg+0xcd/0x170 [ 6396.037797][ T1167] do_syscall_64+0xc6/0x1e0 [ 6396.037797][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6396.037797][ T1167] [ 6396.039705][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6396.039705][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6396.039705][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6396.039705][ T1167] ipv6_find_idev+0x102/0x170 [ 6396.039705][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6396.039705][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.039705][ T1167] netlink_rcv_skb+0x130/0x360 [ 6396.039705][ T1167] netlink_unicast+0x449/0x710 [ 6396.039705][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6396.039705][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6396.039705][ T1167] ___sys_sendmsg+0xee/0x170 [ 6396.039705][ T1167] __sys_sendmsg+0xcd/0x170 [ 6396.039705][ T1167] do_syscall_64+0xc6/0x1e0 [ 6396.039705][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6396.039705][ T1167] [ 6398.073108][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6398.073605][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6398.073605][ T10] netdev_get_by_index+0x5e/0x80 [ 6398.073605][ T10] fib6_nh_init+0x3d8/0x1580 [ 6398.073605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6398.073605][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6398.073605][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6398.073605][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6398.073605][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6398.073605][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6398.073605][ T10] addrconf_dad_begin+0x310/0x670 [ 6398.073605][ T10] addrconf_dad_work+0x10b/0xab0 [ 6398.073605][ T10] process_one_work+0x84d/0x18a0 [ 6398.073605][ T10] worker_thread+0x587/0xd30 [ 6398.073605][ T10] kthread+0x28a/0x350 [ 6398.073605][ T10] ret_from_fork+0x31/0x70 [ 6398.073605][ T10] ret_from_fork_asm+0x1a/0x30 [ 6398.073605][ T10] [ 6398.075580][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6398.075580][ T10] netdev_get_by_index+0x5e/0x80 [ 6398.075580][ T10] fib6_nh_init+0x3d8/0x1580 [ 6398.075580][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6398.075580][ T10] ip6_route_add+0x1c/0x140 [ 6398.075580][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6398.075580][ T10] inet6_addr_add+0x4f8/0xa40 [ 6398.075580][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6398.075580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.075580][ T10] netlink_rcv_skb+0x130/0x360 [ 6398.075580][ T10] netlink_unicast+0x449/0x710 [ 6398.075580][ T10] netlink_sendmsg+0x723/0xbe0 [ 6398.075580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6398.075580][ T10] ___sys_sendmsg+0xee/0x170 [ 6398.075580][ T10] __sys_sendmsg+0xcd/0x170 [ 6398.075580][ T10] do_syscall_64+0xc6/0x1e0 [ 6398.075580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.075580][ T10] [ 6398.077613][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6398.077613][ T10] netdev_get_by_index+0x5e/0x80 [ 6398.077613][ T10] fib6_nh_init+0x3d8/0x1580 [ 6398.077613][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6398.077613][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6398.077613][ T10] ipv6_add_addr+0x411/0x2000 [ 6398.077613][ T10] inet6_addr_add+0x30e/0xa40 [ 6398.077613][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6398.077613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.077613][ T10] netlink_rcv_skb+0x130/0x360 [ 6398.077613][ T10] netlink_unicast+0x449/0x710 [ 6398.077613][ T10] netlink_sendmsg+0x723/0xbe0 [ 6398.077613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6398.077613][ T10] ___sys_sendmsg+0xee/0x170 [ 6398.077613][ T10] __sys_sendmsg+0xcd/0x170 [ 6398.077613][ T10] do_syscall_64+0xc6/0x1e0 [ 6398.077613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.077613][ T10] [ 6398.079645][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6398.079645][ T10] netdev_get_by_index+0x5e/0x80 [ 6398.079645][ T10] fib6_nh_init+0x3d8/0x1580 [ 6398.079645][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6398.079645][ T10] ip6_route_add+0x1c/0x140 [ 6398.079645][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6398.079645][ T10] addrconf_add_dev+0xe2/0x170 [ 6398.079645][ T10] inet6_addr_add+0x12f/0xa40 [ 6398.079645][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6398.079645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.079645][ T10] netlink_rcv_skb+0x130/0x360 [ 6398.079645][ T10] netlink_unicast+0x449/0x710 [ 6398.079645][ T10] netlink_sendmsg+0x723/0xbe0 [ 6398.079645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6398.079645][ T10] ___sys_sendmsg+0xee/0x170 [ 6398.079645][ T10] __sys_sendmsg+0xcd/0x170 [ 6398.079645][ T10] do_syscall_64+0xc6/0x1e0 [ 6398.079645][ T10] [ 6398.081623][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6398.081623][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6398.081623][ T10] ipv6_find_idev+0x102/0x170 [ 6398.081623][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6398.081623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.081623][ T10] netlink_rcv_skb+0x130/0x360 [ 6398.081623][ T10] netlink_unicast+0x449/0x710 [ 6398.081623][ T10] netlink_sendmsg+0x723/0xbe0 [ 6398.081623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6398.081623][ T10] ___sys_sendmsg+0xee/0x170 [ 6398.081623][ T10] __sys_sendmsg+0xcd/0x170 [ 6398.081623][ T10] do_syscall_64+0xc6/0x1e0 [ 6398.081623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.081623][ T10] [ 6398.083188][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6398.083188][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6398.083188][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6398.083188][ T10] ipv6_find_idev+0x102/0x170 [ 6398.083188][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6398.083188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.083188][ T10] netlink_rcv_skb+0x130/0x360 [ 6398.083188][ T10] netlink_unicast+0x449/0x710 [ 6398.083188][ T10] netlink_sendmsg+0x723/0xbe0 [ 6398.083188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6398.083188][ T10] ___sys_sendmsg+0xee/0x170 [ 6398.083188][ T10] __sys_sendmsg+0xcd/0x170 [ 6398.083188][ T10] do_syscall_64+0xc6/0x1e0 [ 6398.083188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.083188][ T10] [ 6398.084920][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6398.085186][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6398.085186][ T10] netdev_get_by_index+0x5e/0x80 [ 6398.085186][ T10] fib6_nh_init+0x3d8/0x1580 [ 6398.085186][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6398.085186][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6398.085186][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6398.085186][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6398.085186][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6398.085186][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6398.085186][ T10] addrconf_dad_begin+0x310/0x670 [ 6398.085186][ T10] addrconf_dad_work+0x10b/0xab0 [ 6398.085186][ T10] process_one_work+0x84d/0x18a0 [ 6398.085186][ T10] worker_thread+0x587/0xd30 [ 6398.085186][ T10] kthread+0x28a/0x350 [ 6398.085186][ T10] ret_from_fork+0x31/0x70 [ 6398.085186][ T10] ret_from_fork_asm+0x1a/0x30 [ 6398.085186][ T10] [ 6398.087144][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6398.087144][ T10] netdev_get_by_index+0x5e/0x80 [ 6398.087144][ T10] fib6_nh_init+0x3d8/0x1580 [ 6398.087144][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6398.087144][ T10] ip6_route_add+0x1c/0x140 [ 6398.087144][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6398.087144][ T10] inet6_addr_add+0x4f8/0xa40 [ 6398.087144][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6398.087144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.087144][ T10] netlink_rcv_skb+0x130/0x360 [ 6398.087144][ T10] netlink_unicast+0x449/0x710 [ 6398.087144][ T10] netlink_sendmsg+0x723/0xbe0 [ 6398.087144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6398.087144][ T10] ___sys_sendmsg+0xee/0x170 [ 6398.087144][ T10] __sys_sendmsg+0xcd/0x170 [ 6398.087144][ T10] do_syscall_64+0xc6/0x1e0 [ 6398.087144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.087144][ T10] [ 6398.089190][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6398.089190][ T10] netdev_get_by_index+0x5e/0x80 [ 6398.089190][ T10] fib6_nh_init+0x3d8/0x1580 [ 6398.089190][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6398.089190][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6398.089190][ T10] ipv6_add_addr+0x411/0x2000 [ 6398.089190][ T10] inet6_addr_add+0x30e/0xa40 [ 6398.089190][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6398.089190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.089190][ T10] netlink_rcv_skb+0x130/0x360 [ 6398.089190][ T10] netlink_unicast+0x449/0x710 [ 6398.089190][ T10] netlink_sendmsg+0x723/0xbe0 [ 6398.089190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6398.089190][ T10] ___sys_sendmsg+0xee/0x170 [ 6398.089190][ T10] __sys_sendmsg+0xcd/0x170 [ 6398.089190][ T10] do_syscall_64+0xc6/0x1e0 [ 6398.089190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.089190][ T10] [ 6398.091223][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6398.091223][ T10] netdev_get_by_index+0x5e/0x80 [ 6398.091223][ T10] fib6_nh_init+0x3d8/0x1580 [ 6398.091223][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6398.091223][ T10] ip6_route_add+0x1c/0x140 [ 6398.091223][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6398.091223][ T10] addrconf_add_dev+0xe2/0x170 [ 6398.091223][ T10] inet6_addr_add+0x12f/0xa40 [ 6398.091223][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6398.091223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.091223][ T10] netlink_rcv_skb+0x130/0x360 [ 6398.091223][ T10] netlink_unicast+0x449/0x710 [ 6398.091223][ T10] netlink_sendmsg+0x723/0xbe0 [ 6398.091223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6398.091223][ T10] ___sys_sendmsg+0xee/0x170 [ 6398.091223][ T10] __sys_sendmsg+0xcd/0x170 [ 6398.091223][ T10] do_syscall_64+0xc6/0x1e0 [ 6398.091223][ T10] [ 6398.093246][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6398.093246][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6398.093246][ T10] ipv6_find_idev+0x102/0x170 [ 6398.093246][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6398.093246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.093246][ T10] netlink_rcv_skb+0x130/0x360 [ 6398.093246][ T10] netlink_unicast+0x449/0x710 [ 6398.093246][ T10] netlink_sendmsg+0x723/0xbe0 [ 6398.093246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6398.093246][ T10] ___sys_sendmsg+0xee/0x170 [ 6398.093246][ T10] __sys_sendmsg+0xcd/0x170 [ 6398.093246][ T10] do_syscall_64+0xc6/0x1e0 [ 6398.093246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.093246][ T10] [ 6398.094823][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6398.094823][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6398.094823][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6398.094823][ T10] ipv6_find_idev+0x102/0x170 [ 6398.094823][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6398.094823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.094823][ T10] netlink_rcv_skb+0x130/0x360 [ 6398.094823][ T10] netlink_unicast+0x449/0x710 [ 6398.094823][ T10] netlink_sendmsg+0x723/0xbe0 [ 6398.094823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6398.094823][ T10] ___sys_sendmsg+0xee/0x170 [ 6398.094823][ T10] __sys_sendmsg+0xcd/0x170 [ 6398.094823][ T10] do_syscall_64+0xc6/0x1e0 [ 6398.094823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.094823][ T10] [ 6398.096544][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6398.096784][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6398.096784][ T10] netdev_get_by_index+0x5e/0x80 [ 6398.096784][ T10] fib6_nh_init+0x3d8/0x1580 [ 6398.096784][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6398.096784][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6398.096784][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6398.096784][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6398.096784][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6398.096784][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6398.096784][ T10] addrconf_dad_begin+0x310/0x670 [ 6398.096784][ T10] addrconf_dad_work+0x10b/0xab0 [ 6398.096784][ T10] process_one_work+0x84d/0x18a0 [ 6398.096784][ T10] worker_thread+0x587/0xd30 [ 6398.096784][ T10] kthread+0x28a/0x350 [ 6398.096784][ T10] ret_from_fork+0x31/0x70 [ 6398.096784][ T10] ret_from_fork_asm+0x1a/0x30 [ 6398.096784][ T10] [ 6398.098747][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6398.098747][ T10] netdev_get_by_index+0x5e/0x80 [ 6398.098747][ T10] fib6_nh_init+0x3d8/0x1580 [ 6398.098747][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6398.098747][ T10] ip6_route_add+0x1c/0x140 [ 6398.098747][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6398.098747][ T10] inet6_addr_add+0x4f8/0xa40 [ 6398.098747][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6398.098747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.098747][ T10] netlink_rcv_skb+0x130/0x360 [ 6398.098747][ T10] netlink_unicast+0x449/0x710 [ 6398.098747][ T10] netlink_sendmsg+0x723/0xbe0 [ 6398.098747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6398.098747][ T10] ___sys_sendmsg+0xee/0x170 [ 6398.098747][ T10] __sys_sendmsg+0xcd/0x170 [ 6398.098747][ T10] do_syscall_64+0xc6/0x1e0 [ 6398.098747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.098747][ T10] [ 6398.100981][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6398.100981][ T10] netdev_get_by_index+0x5e/0x80 [ 6398.100981][ T10] fib6_nh_init+0x3d8/0x1580 [ 6398.100981][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6398.100981][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6398.100981][ T10] ipv6_add_addr+0x411/0x2000 [ 6398.100981][ T10] inet6_addr_add+0x30e/0xa40 [ 6398.100981][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6398.100981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.100981][ T10] netlink_rcv_skb+0x130/0x360 [ 6398.100981][ T10] netlink_unicast+0x449/0x710 [ 6398.100981][ T10] netlink_sendmsg+0x723/0xbe0 [ 6398.100981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6398.100981][ T10] ___sys_sendmsg+0xee/0x170 [ 6398.100981][ T10] __sys_sendmsg+0xcd/0x170 [ 6398.100981][ T10] do_syscall_64+0xc6/0x1e0 [ 6398.100981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.100981][ T10] [ 6398.103260][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6398.103260][ T10] netdev_get_by_index+0x5e/0x80 [ 6398.103260][ T10] fib6_nh_init+0x3d8/0x1580 [ 6398.103260][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6398.103260][ T10] ip6_route_add+0x1c/0x140 [ 6398.103260][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6398.103260][ T10] addrconf_add_dev+0xe2/0x170 [ 6398.103260][ T10] inet6_addr_add+0x12f/0xa40 [ 6398.103260][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6398.103260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.103260][ T10] netlink_rcv_skb+0x130/0x360 [ 6398.103260][ T10] netlink_unicast+0x449/0x710 [ 6398.103260][ T10] netlink_sendmsg+0x723/0xbe0 [ 6398.103260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6398.103260][ T10] ___sys_sendmsg+0xee/0x170 [ 6398.103260][ T10] __sys_sendmsg+0xcd/0x170 [ 6398.103260][ T10] do_syscall_64+0xc6/0x1e0 [ 6398.103260][ T10] [ 6398.105501][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6398.105501][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6398.105501][ T10] ipv6_find_idev+0x102/0x170 [ 6398.105501][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6398.105501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.105501][ T10] netlink_rcv_skb+0x130/0x360 [ 6398.105501][ T10] netlink_unicast+0x449/0x710 [ 6398.105501][ T10] netlink_sendmsg+0x723/0xbe0 [ 6398.105501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6398.105501][ T10] ___sys_sendmsg+0xee/0x170 [ 6398.105501][ T10] __sys_sendmsg+0xcd/0x170 [ 6398.105501][ T10] do_syscall_64+0xc6/0x1e0 [ 6398.105501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.105501][ T10] [ 6398.107256][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6398.107256][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6398.107256][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6398.107256][ T10] ipv6_find_idev+0x102/0x170 [ 6398.107256][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6398.107256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.107256][ T10] netlink_rcv_skb+0x130/0x360 [ 6398.107256][ T10] netlink_unicast+0x449/0x710 [ 6398.107256][ T10] netlink_sendmsg+0x723/0xbe0 [ 6398.107256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6398.107256][ T10] ___sys_sendmsg+0xee/0x170 [ 6398.107256][ T10] __sys_sendmsg+0xcd/0x170 [ 6398.107256][ T10] do_syscall_64+0xc6/0x1e0 [ 6398.107256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.107256][ T10] [ 6398.109231][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6398.109470][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6398.109470][ T10] netdev_get_by_index+0x5e/0x80 [ 6398.109470][ T10] fib6_nh_init+0x3d8/0x1580 [ 6398.109470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6398.109470][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6398.109470][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6398.109470][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6398.109470][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6398.109470][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6398.109470][ T10] addrconf_dad_begin+0x310/0x670 [ 6398.109470][ T10] addrconf_dad_work+0x10b/0xab0 [ 6398.109470][ T10] process_one_work+0x84d/0x18a0 [ 6398.109470][ T10] worker_thread+0x587/0xd30 [ 6398.109470][ T10] kthread+0x28a/0x350 [ 6398.109470][ T10] ret_from_fork+0x31/0x70 [ 6398.109470][ T10] ret_from_fork_asm+0x1a/0x30 [ 6398.109470][ T10] [ 6398.111688][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6398.111688][ T10] netdev_get_by_index+0x5e/0x80 [ 6398.111688][ T10] fib6_nh_init+0x3d8/0x1580 [ 6398.111688][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6398.111688][ T10] ip6_route_add+0x1c/0x140 [ 6398.111688][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6398.111688][ T10] inet6_addr_add+0x4f8/0xa40 [ 6398.111688][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6398.111688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.111688][ T10] netlink_rcv_skb+0x130/0x360 [ 6398.111688][ T10] netlink_unicast+0x449/0x710 [ 6398.111688][ T10] netlink_sendmsg+0x723/0xbe0 [ 6398.111688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6398.111688][ T10] ___sys_sendmsg+0xee/0x170 [ 6398.111688][ T10] __sys_sendmsg+0xcd/0x170 [ 6398.111688][ T10] do_syscall_64+0xc6/0x1e0 [ 6398.111688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.111688][ T10] [ 6398.113972][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6398.113972][ T10] netdev_get_by_index+0x5e/0x80 [ 6398.113972][ T10] fib6_nh_init+0x3d8/0x1580 [ 6398.113972][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6398.113972][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6398.113972][ T10] ipv6_add_addr+0x411/0x2000 [ 6398.113972][ T10] inet6_addr_add+0x30e/0xa40 [ 6398.113972][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6398.113972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.113972][ T10] netlink_rcv_skb+0x130/0x360 [ 6398.113972][ T10] netlink_unicast+0x449/0x710 [ 6398.113972][ T10] netlink_sendmsg+0x723/0xbe0 [ 6398.113972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6398.113972][ T10] ___sys_sendmsg+0xee/0x170 [ 6398.113972][ T10] __sys_sendmsg+0xcd/0x170 [ 6398.113972][ T10] do_syscall_64+0xc6/0x1e0 [ 6398.113972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.113972][ T10] [ 6398.116251][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6398.116251][ T10] netdev_get_by_index+0x5e/0x80 [ 6398.116251][ T10] fib6_nh_init+0x3d8/0x1580 [ 6398.116251][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6398.116251][ T10] ip6_route_add+0x1c/0x140 [ 6398.116251][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6398.116251][ T10] addrconf_add_dev+0xe2/0x170 [ 6398.116251][ T10] inet6_addr_add+0x12f/0xa40 [ 6398.116251][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6398.116251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.116251][ T10] netlink_rcv_skb+0x130/0x360 [ 6398.116251][ T10] netlink_unicast+0x449/0x710 [ 6398.116251][ T10] netlink_sendmsg+0x723/0xbe0 [ 6398.116251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6398.116251][ T10] ___sys_sendmsg+0xee/0x170 [ 6398.116251][ T10] __sys_sendmsg+0xcd/0x170 [ 6398.116251][ T10] do_syscall_64+0xc6/0x1e0 [ 6398.116251][ T10] [ 6398.118490][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6398.118490][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6398.118490][ T10] ipv6_find_idev+0x102/0x170 [ 6398.118490][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6398.118490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.118490][ T10] netlink_rcv_skb+0x130/0x360 [ 6398.118490][ T10] netlink_unicast+0x449/0x710 [ 6398.118490][ T10] netlink_sendmsg+0x723/0xbe0 [ 6398.118490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6398.118490][ T10] ___sys_sendmsg+0xee/0x170 [ 6398.118490][ T10] __sys_sendmsg+0xcd/0x170 [ 6398.118490][ T10] do_syscall_64+0xc6/0x1e0 [ 6398.118490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.118490][ T10] [ 6398.120242][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6398.120242][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6398.120242][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6398.120242][ T10] ipv6_find_idev+0x102/0x170 [ 6398.120242][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6398.120242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6398.120242][ T10] netlink_rcv_skb+0x130/0x360 [ 6398.120242][ T10] netlink_unicast+0x449/0x710 [ 6398.120242][ T10] netlink_sendmsg+0x723/0xbe0 [ 6398.120242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6398.120242][ T10] ___sys_sendmsg+0xee/0x170 [ 6398.120242][ T10] __sys_sendmsg+0xcd/0x170 [ 6398.120242][ T10] do_syscall_64+0xc6/0x1e0 [ 6398.120242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6398.120242][ T10] [ 6406.281114][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6406.281611][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6406.281611][ T1167] dst_init+0x84/0x4a0 [ 6406.281611][ T1167] dst_alloc+0x97/0x150 [ 6406.281611][ T1167] ip6_dst_alloc+0x23/0x90 [ 6406.281611][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6406.281611][ T1167] ip6_pol_route+0x56f/0x840 [ 6406.281611][ T1167] fib6_rule_lookup+0x334/0x630 [ 6406.281611][ T1167] ip6_route_output_flags+0x259/0x480 [ 6406.281611][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6406.281611][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6406.281611][ T1167] netlink_rcv_skb+0x130/0x360 [ 6406.281611][ T1167] netlink_unicast+0x449/0x710 [ 6406.281611][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6406.281611][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6406.281611][ T1167] ___sys_sendmsg+0xee/0x170 [ 6406.281611][ T1167] __sys_sendmsg+0xcd/0x170 [ 6406.281611][ T1167] do_syscall_64+0xc6/0x1e0 [ 6406.281611][ T1167] [ 6406.284051][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6406.284051][ T1167] netdev_get_by_index+0x5e/0x80 [ 6406.284051][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6406.284051][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6406.284051][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6406.284051][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6406.284051][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6406.284051][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6406.284051][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6406.284051][ T1167] addrconf_dad_begin+0x310/0x670 [ 6406.284051][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6406.284051][ T1167] process_one_work+0x84d/0x18a0 [ 6406.284051][ T1167] worker_thread+0x587/0xd30 [ 6406.284051][ T1167] kthread+0x28a/0x350 [ 6406.284051][ T1167] ret_from_fork+0x31/0x70 [ 6406.284051][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6406.284051][ T1167] [ 6406.286444][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6406.286444][ T1167] netdev_get_by_index+0x5e/0x80 [ 6406.286444][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6406.286444][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6406.286444][ T1167] ip6_route_add+0x1c/0x140 [ 6406.286444][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6406.286444][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6406.286444][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6406.286444][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6406.286444][ T1167] netlink_rcv_skb+0x130/0x360 [ 6406.286444][ T1167] netlink_unicast+0x449/0x710 [ 6406.286444][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6406.286444][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6406.286444][ T1167] ___sys_sendmsg+0xee/0x170 [ 6406.286444][ T1167] __sys_sendmsg+0xcd/0x170 [ 6406.286444][ T1167] do_syscall_64+0xc6/0x1e0 [ 6406.286444][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6406.286444][ T1167] [ 6406.288998][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6406.288998][ T1167] netdev_get_by_index+0x5e/0x80 [ 6406.288998][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6406.288998][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6406.288998][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6406.288998][ T1167] ipv6_add_addr+0x411/0x2000 [ 6406.288998][ T1167] inet6_addr_add+0x30e/0xa40 [ 6406.288998][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6406.288998][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6406.288998][ T1167] netlink_rcv_skb+0x130/0x360 [ 6406.288998][ T1167] netlink_unicast+0x449/0x710 [ 6406.288998][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6406.288998][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6406.288998][ T1167] ___sys_sendmsg+0xee/0x170 [ 6406.288998][ T1167] __sys_sendmsg+0xcd/0x170 [ 6406.288998][ T1167] do_syscall_64+0xc6/0x1e0 [ 6406.288998][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6406.288998][ T1167] [ 6406.291473][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6406.291473][ T1167] netdev_get_by_index+0x5e/0x80 [ 6406.291473][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6406.291473][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6406.291473][ T1167] ip6_route_add+0x1c/0x140 [ 6406.291473][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6406.291473][ T1167] addrconf_add_dev+0xe2/0x170 [ 6406.291473][ T1167] inet6_addr_add+0x12f/0xa40 [ 6406.291473][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6406.291473][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6406.291473][ T1167] netlink_rcv_skb+0x130/0x360 [ 6406.291473][ T1167] netlink_unicast+0x449/0x710 [ 6406.291473][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6406.291473][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6406.291473][ T1167] ___sys_sendmsg+0xee/0x170 [ 6406.291473][ T1167] __sys_sendmsg+0xcd/0x170 [ 6406.291473][ T1167] do_syscall_64+0xc6/0x1e0 [ 6406.291473][ T1167] [ 6406.293906][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6406.293906][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6406.293906][ T1167] ipv6_find_idev+0x102/0x170 [ 6406.293906][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6406.293906][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6406.293906][ T1167] netlink_rcv_skb+0x130/0x360 [ 6406.293906][ T1167] netlink_unicast+0x449/0x710 [ 6406.293906][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6406.293906][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6406.293906][ T1167] ___sys_sendmsg+0xee/0x170 [ 6406.293906][ T1167] __sys_sendmsg+0xcd/0x170 [ 6406.293906][ T1167] do_syscall_64+0xc6/0x1e0 [ 6406.293906][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6406.293906][ T1167] [ 6406.295810][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6406.295810][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6406.295810][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6406.295810][ T1167] ipv6_find_idev+0x102/0x170 [ 6406.295810][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6406.295810][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6406.295810][ T1167] netlink_rcv_skb+0x130/0x360 [ 6406.295810][ T1167] netlink_unicast+0x449/0x710 [ 6406.295810][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6406.295810][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6406.295810][ T1167] ___sys_sendmsg+0xee/0x170 [ 6406.295810][ T1167] __sys_sendmsg+0xcd/0x170 [ 6406.295810][ T1167] do_syscall_64+0xc6/0x1e0 [ 6406.295810][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6406.295810][ T1167] [ 6408.361066][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6408.361539][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6408.361539][ T10] netdev_get_by_index+0x5e/0x80 [ 6408.361539][ T10] fib6_nh_init+0x3d8/0x1580 [ 6408.361539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6408.361539][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6408.361539][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6408.361539][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6408.361539][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6408.361539][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6408.361539][ T10] addrconf_dad_begin+0x310/0x670 [ 6408.361539][ T10] addrconf_dad_work+0x10b/0xab0 [ 6408.361539][ T10] process_one_work+0x84d/0x18a0 [ 6408.361539][ T10] worker_thread+0x587/0xd30 [ 6408.361539][ T10] kthread+0x28a/0x350 [ 6408.361539][ T10] ret_from_fork+0x31/0x70 [ 6408.361539][ T10] ret_from_fork_asm+0x1a/0x30 [ 6408.361539][ T10] [ 6408.363542][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6408.363542][ T10] netdev_get_by_index+0x5e/0x80 [ 6408.363542][ T10] fib6_nh_init+0x3d8/0x1580 [ 6408.363542][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6408.363542][ T10] ip6_route_add+0x1c/0x140 [ 6408.363542][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6408.363542][ T10] inet6_addr_add+0x4f8/0xa40 [ 6408.363542][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6408.363542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.363542][ T10] netlink_rcv_skb+0x130/0x360 [ 6408.363542][ T10] netlink_unicast+0x449/0x710 [ 6408.363542][ T10] netlink_sendmsg+0x723/0xbe0 [ 6408.363542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6408.363542][ T10] ___sys_sendmsg+0xee/0x170 [ 6408.363542][ T10] __sys_sendmsg+0xcd/0x170 [ 6408.363542][ T10] do_syscall_64+0xc6/0x1e0 [ 6408.363542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.363542][ T10] [ 6408.365582][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6408.365582][ T10] netdev_get_by_index+0x5e/0x80 [ 6408.365582][ T10] fib6_nh_init+0x3d8/0x1580 [ 6408.365582][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6408.365582][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6408.365582][ T10] ipv6_add_addr+0x411/0x2000 [ 6408.365582][ T10] inet6_addr_add+0x30e/0xa40 [ 6408.365582][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6408.365582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.365582][ T10] netlink_rcv_skb+0x130/0x360 [ 6408.365582][ T10] netlink_unicast+0x449/0x710 [ 6408.365582][ T10] netlink_sendmsg+0x723/0xbe0 [ 6408.365582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6408.365582][ T10] ___sys_sendmsg+0xee/0x170 [ 6408.365582][ T10] __sys_sendmsg+0xcd/0x170 [ 6408.365582][ T10] do_syscall_64+0xc6/0x1e0 [ 6408.365582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.365582][ T10] [ 6408.367616][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6408.367616][ T10] netdev_get_by_index+0x5e/0x80 [ 6408.367616][ T10] fib6_nh_init+0x3d8/0x1580 [ 6408.367616][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6408.367616][ T10] ip6_route_add+0x1c/0x140 [ 6408.367616][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6408.367616][ T10] addrconf_add_dev+0xe2/0x170 [ 6408.367616][ T10] inet6_addr_add+0x12f/0xa40 [ 6408.367616][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6408.367616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.367616][ T10] netlink_rcv_skb+0x130/0x360 [ 6408.367616][ T10] netlink_unicast+0x449/0x710 [ 6408.367616][ T10] netlink_sendmsg+0x723/0xbe0 [ 6408.367616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6408.367616][ T10] ___sys_sendmsg+0xee/0x170 [ 6408.367616][ T10] __sys_sendmsg+0xcd/0x170 [ 6408.367616][ T10] do_syscall_64+0xc6/0x1e0 [ 6408.367616][ T10] [ 6408.369612][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6408.369612][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6408.369612][ T10] ipv6_find_idev+0x102/0x170 [ 6408.369612][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6408.369612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.369612][ T10] netlink_rcv_skb+0x130/0x360 [ 6408.369612][ T10] netlink_unicast+0x449/0x710 [ 6408.369612][ T10] netlink_sendmsg+0x723/0xbe0 [ 6408.369612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6408.369612][ T10] ___sys_sendmsg+0xee/0x170 [ 6408.369612][ T10] __sys_sendmsg+0xcd/0x170 [ 6408.369612][ T10] do_syscall_64+0xc6/0x1e0 [ 6408.369612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.369612][ T10] [ 6408.371184][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6408.371184][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6408.371184][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6408.371184][ T10] ipv6_find_idev+0x102/0x170 [ 6408.371184][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6408.371184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.371184][ T10] netlink_rcv_skb+0x130/0x360 [ 6408.371184][ T10] netlink_unicast+0x449/0x710 [ 6408.371184][ T10] netlink_sendmsg+0x723/0xbe0 [ 6408.371184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6408.371184][ T10] ___sys_sendmsg+0xee/0x170 [ 6408.371184][ T10] __sys_sendmsg+0xcd/0x170 [ 6408.371184][ T10] do_syscall_64+0xc6/0x1e0 [ 6408.371184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.371184][ T10] [ 6408.372942][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6408.373202][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6408.373202][ T10] netdev_get_by_index+0x5e/0x80 [ 6408.373202][ T10] fib6_nh_init+0x3d8/0x1580 [ 6408.373202][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6408.373202][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6408.373202][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6408.373202][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6408.373202][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6408.373202][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6408.373202][ T10] addrconf_dad_begin+0x310/0x670 [ 6408.373202][ T10] addrconf_dad_work+0x10b/0xab0 [ 6408.373202][ T10] process_one_work+0x84d/0x18a0 [ 6408.373202][ T10] worker_thread+0x587/0xd30 [ 6408.373202][ T10] kthread+0x28a/0x350 [ 6408.373202][ T10] ret_from_fork+0x31/0x70 [ 6408.373202][ T10] ret_from_fork_asm+0x1a/0x30 [ 6408.373202][ T10] [ 6408.375145][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6408.375145][ T10] netdev_get_by_index+0x5e/0x80 [ 6408.375145][ T10] fib6_nh_init+0x3d8/0x1580 [ 6408.375145][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6408.375145][ T10] ip6_route_add+0x1c/0x140 [ 6408.375145][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6408.375145][ T10] inet6_addr_add+0x4f8/0xa40 [ 6408.375145][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6408.375145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.375145][ T10] netlink_rcv_skb+0x130/0x360 [ 6408.375145][ T10] netlink_unicast+0x449/0x710 [ 6408.375145][ T10] netlink_sendmsg+0x723/0xbe0 [ 6408.375145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6408.375145][ T10] ___sys_sendmsg+0xee/0x170 [ 6408.375145][ T10] __sys_sendmsg+0xcd/0x170 [ 6408.375145][ T10] do_syscall_64+0xc6/0x1e0 [ 6408.375145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.375145][ T10] [ 6408.377816][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6408.377816][ T10] netdev_get_by_index+0x5e/0x80 [ 6408.377816][ T10] fib6_nh_init+0x3d8/0x1580 [ 6408.377816][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6408.377816][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6408.377816][ T10] ipv6_add_addr+0x411/0x2000 [ 6408.377816][ T10] inet6_addr_add+0x30e/0xa40 [ 6408.377816][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6408.377816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.377816][ T10] netlink_rcv_skb+0x130/0x360 [ 6408.377816][ T10] netlink_unicast+0x449/0x710 [ 6408.377816][ T10] netlink_sendmsg+0x723/0xbe0 [ 6408.377816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6408.377816][ T10] ___sys_sendmsg+0xee/0x170 [ 6408.377816][ T10] __sys_sendmsg+0xcd/0x170 [ 6408.377816][ T10] do_syscall_64+0xc6/0x1e0 [ 6408.377816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.377816][ T10] [ 6408.379844][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6408.379844][ T10] netdev_get_by_index+0x5e/0x80 [ 6408.379844][ T10] fib6_nh_init+0x3d8/0x1580 [ 6408.379844][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6408.379844][ T10] ip6_route_add+0x1c/0x140 [ 6408.379844][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6408.379844][ T10] addrconf_add_dev+0xe2/0x170 [ 6408.379844][ T10] inet6_addr_add+0x12f/0xa40 [ 6408.379844][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6408.379844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.379844][ T10] netlink_rcv_skb+0x130/0x360 [ 6408.379844][ T10] netlink_unicast+0x449/0x710 [ 6408.379844][ T10] netlink_sendmsg+0x723/0xbe0 [ 6408.379844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6408.379844][ T10] ___sys_sendmsg+0xee/0x170 [ 6408.379844][ T10] __sys_sendmsg+0xcd/0x170 [ 6408.379844][ T10] do_syscall_64+0xc6/0x1e0 [ 6408.379844][ T10] [ 6408.381810][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6408.381810][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6408.381810][ T10] ipv6_find_idev+0x102/0x170 [ 6408.381810][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6408.381810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.381810][ T10] netlink_rcv_skb+0x130/0x360 [ 6408.381810][ T10] netlink_unicast+0x449/0x710 [ 6408.381810][ T10] netlink_sendmsg+0x723/0xbe0 [ 6408.381810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6408.381810][ T10] ___sys_sendmsg+0xee/0x170 [ 6408.381810][ T10] __sys_sendmsg+0xcd/0x170 [ 6408.381810][ T10] do_syscall_64+0xc6/0x1e0 [ 6408.381810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.381810][ T10] [ 6408.383348][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6408.383348][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6408.383348][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6408.383348][ T10] ipv6_find_idev+0x102/0x170 [ 6408.383348][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6408.383348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.383348][ T10] netlink_rcv_skb+0x130/0x360 [ 6408.383348][ T10] netlink_unicast+0x449/0x710 [ 6408.383348][ T10] netlink_sendmsg+0x723/0xbe0 [ 6408.383348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6408.383348][ T10] ___sys_sendmsg+0xee/0x170 [ 6408.383348][ T10] __sys_sendmsg+0xcd/0x170 [ 6408.383348][ T10] do_syscall_64+0xc6/0x1e0 [ 6408.383348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.383348][ T10] [ 6408.385056][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6408.385304][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6408.385304][ T10] netdev_get_by_index+0x5e/0x80 [ 6408.385304][ T10] fib6_nh_init+0x3d8/0x1580 [ 6408.385304][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6408.385304][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6408.385304][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6408.385304][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6408.385304][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6408.385304][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6408.385304][ T10] addrconf_dad_begin+0x310/0x670 [ 6408.385304][ T10] addrconf_dad_work+0x10b/0xab0 [ 6408.385304][ T10] process_one_work+0x84d/0x18a0 [ 6408.385304][ T10] worker_thread+0x587/0xd30 [ 6408.385304][ T10] kthread+0x28a/0x350 [ 6408.385304][ T10] ret_from_fork+0x31/0x70 [ 6408.385304][ T10] ret_from_fork_asm+0x1a/0x30 [ 6408.385304][ T10] [ 6408.387231][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6408.387231][ T10] netdev_get_by_index+0x5e/0x80 [ 6408.387231][ T10] fib6_nh_init+0x3d8/0x1580 [ 6408.387231][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6408.387231][ T10] ip6_route_add+0x1c/0x140 [ 6408.387231][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6408.387231][ T10] inet6_addr_add+0x4f8/0xa40 [ 6408.387231][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6408.387231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.387231][ T10] netlink_rcv_skb+0x130/0x360 [ 6408.387231][ T10] netlink_unicast+0x449/0x710 [ 6408.387231][ T10] netlink_sendmsg+0x723/0xbe0 [ 6408.387231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6408.387231][ T10] ___sys_sendmsg+0xee/0x170 [ 6408.387231][ T10] __sys_sendmsg+0xcd/0x170 [ 6408.387231][ T10] do_syscall_64+0xc6/0x1e0 [ 6408.387231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.387231][ T10] [ 6408.389446][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6408.389446][ T10] netdev_get_by_index+0x5e/0x80 [ 6408.389446][ T10] fib6_nh_init+0x3d8/0x1580 [ 6408.389446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6408.389446][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6408.389446][ T10] ipv6_add_addr+0x411/0x2000 [ 6408.389446][ T10] inet6_addr_add+0x30e/0xa40 [ 6408.389446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6408.389446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.389446][ T10] netlink_rcv_skb+0x130/0x360 [ 6408.389446][ T10] netlink_unicast+0x449/0x710 [ 6408.389446][ T10] netlink_sendmsg+0x723/0xbe0 [ 6408.389446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6408.389446][ T10] ___sys_sendmsg+0xee/0x170 [ 6408.389446][ T10] __sys_sendmsg+0xcd/0x170 [ 6408.389446][ T10] do_syscall_64+0xc6/0x1e0 [ 6408.389446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.389446][ T10] [ 6408.391694][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6408.391694][ T10] netdev_get_by_index+0x5e/0x80 [ 6408.391694][ T10] fib6_nh_init+0x3d8/0x1580 [ 6408.391694][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6408.391694][ T10] ip6_route_add+0x1c/0x140 [ 6408.391694][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6408.391694][ T10] addrconf_add_dev+0xe2/0x170 [ 6408.391694][ T10] inet6_addr_add+0x12f/0xa40 [ 6408.391694][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6408.391694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.391694][ T10] netlink_rcv_skb+0x130/0x360 [ 6408.391694][ T10] netlink_unicast+0x449/0x710 [ 6408.391694][ T10] netlink_sendmsg+0x723/0xbe0 [ 6408.391694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6408.391694][ T10] ___sys_sendmsg+0xee/0x170 [ 6408.391694][ T10] __sys_sendmsg+0xcd/0x170 [ 6408.391694][ T10] do_syscall_64+0xc6/0x1e0 [ 6408.391694][ T10] [ 6408.393898][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6408.393898][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6408.393898][ T10] ipv6_find_idev+0x102/0x170 [ 6408.393898][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6408.393898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.393898][ T10] netlink_rcv_skb+0x130/0x360 [ 6408.393898][ T10] netlink_unicast+0x449/0x710 [ 6408.393898][ T10] netlink_sendmsg+0x723/0xbe0 [ 6408.393898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6408.393898][ T10] ___sys_sendmsg+0xee/0x170 [ 6408.393898][ T10] __sys_sendmsg+0xcd/0x170 [ 6408.393898][ T10] do_syscall_64+0xc6/0x1e0 [ 6408.393898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.393898][ T10] [ 6408.395682][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6408.395682][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6408.395682][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6408.395682][ T10] ipv6_find_idev+0x102/0x170 [ 6408.395682][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6408.395682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.395682][ T10] netlink_rcv_skb+0x130/0x360 [ 6408.395682][ T10] netlink_unicast+0x449/0x710 [ 6408.395682][ T10] netlink_sendmsg+0x723/0xbe0 [ 6408.395682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6408.395682][ T10] ___sys_sendmsg+0xee/0x170 [ 6408.395682][ T10] __sys_sendmsg+0xcd/0x170 [ 6408.395682][ T10] do_syscall_64+0xc6/0x1e0 [ 6408.395682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.395682][ T10] [ 6408.397964][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6408.398627][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6408.398627][ T10] netdev_get_by_index+0x5e/0x80 [ 6408.398627][ T10] fib6_nh_init+0x3d8/0x1580 [ 6408.398627][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6408.398627][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6408.398627][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6408.398627][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6408.398627][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6408.398627][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6408.398627][ T10] addrconf_dad_begin+0x310/0x670 [ 6408.398627][ T10] addrconf_dad_work+0x10b/0xab0 [ 6408.398627][ T10] process_one_work+0x84d/0x18a0 [ 6408.398627][ T10] worker_thread+0x587/0xd30 [ 6408.398627][ T10] kthread+0x28a/0x350 [ 6408.398627][ T10] ret_from_fork+0x31/0x70 [ 6408.398627][ T10] ret_from_fork_asm+0x1a/0x30 [ 6408.398627][ T10] [ 6408.400537][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6408.400537][ T10] netdev_get_by_index+0x5e/0x80 [ 6408.400537][ T10] fib6_nh_init+0x3d8/0x1580 [ 6408.400537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6408.400537][ T10] ip6_route_add+0x1c/0x140 [ 6408.400537][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6408.400537][ T10] inet6_addr_add+0x4f8/0xa40 [ 6408.400537][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6408.400537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.400537][ T10] netlink_rcv_skb+0x130/0x360 [ 6408.400537][ T10] netlink_unicast+0x449/0x710 [ 6408.400537][ T10] netlink_sendmsg+0x723/0xbe0 [ 6408.400537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6408.400537][ T10] ___sys_sendmsg+0xee/0x170 [ 6408.400537][ T10] __sys_sendmsg+0xcd/0x170 [ 6408.400537][ T10] do_syscall_64+0xc6/0x1e0 [ 6408.400537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.400537][ T10] [ 6408.402533][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6408.402533][ T10] netdev_get_by_index+0x5e/0x80 [ 6408.402533][ T10] fib6_nh_init+0x3d8/0x1580 [ 6408.402533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6408.402533][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6408.402533][ T10] ipv6_add_addr+0x411/0x2000 [ 6408.402533][ T10] inet6_addr_add+0x30e/0xa40 [ 6408.402533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6408.402533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.402533][ T10] netlink_rcv_skb+0x130/0x360 [ 6408.402533][ T10] netlink_unicast+0x449/0x710 [ 6408.402533][ T10] netlink_sendmsg+0x723/0xbe0 [ 6408.402533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6408.402533][ T10] ___sys_sendmsg+0xee/0x170 [ 6408.402533][ T10] __sys_sendmsg+0xcd/0x170 [ 6408.402533][ T10] do_syscall_64+0xc6/0x1e0 [ 6408.402533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.402533][ T10] [ 6408.404583][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6408.404583][ T10] netdev_get_by_index+0x5e/0x80 [ 6408.404583][ T10] fib6_nh_init+0x3d8/0x1580 [ 6408.404583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6408.404583][ T10] ip6_route_add+0x1c/0x140 [ 6408.404583][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6408.404583][ T10] addrconf_add_dev+0xe2/0x170 [ 6408.404583][ T10] inet6_addr_add+0x12f/0xa40 [ 6408.404583][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6408.404583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.404583][ T10] netlink_rcv_skb+0x130/0x360 [ 6408.404583][ T10] netlink_unicast+0x449/0x710 [ 6408.404583][ T10] netlink_sendmsg+0x723/0xbe0 [ 6408.404583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6408.404583][ T10] ___sys_sendmsg+0xee/0x170 [ 6408.404583][ T10] __sys_sendmsg+0xcd/0x170 [ 6408.404583][ T10] do_syscall_64+0xc6/0x1e0 [ 6408.404583][ T10] [ 6408.406810][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6408.406810][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6408.406810][ T10] ipv6_find_idev+0x102/0x170 [ 6408.406810][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6408.406810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.406810][ T10] netlink_rcv_skb+0x130/0x360 [ 6408.406810][ T10] netlink_unicast+0x449/0x710 [ 6408.406810][ T10] netlink_sendmsg+0x723/0xbe0 [ 6408.406810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6408.406810][ T10] ___sys_sendmsg+0xee/0x170 [ 6408.406810][ T10] __sys_sendmsg+0xcd/0x170 [ 6408.406810][ T10] do_syscall_64+0xc6/0x1e0 [ 6408.406810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.406810][ T10] [ 6408.408482][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6408.408482][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6408.408482][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6408.408482][ T10] ipv6_find_idev+0x102/0x170 [ 6408.408482][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6408.408482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6408.408482][ T10] netlink_rcv_skb+0x130/0x360 [ 6408.408482][ T10] netlink_unicast+0x449/0x710 [ 6408.408482][ T10] netlink_sendmsg+0x723/0xbe0 [ 6408.408482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6408.408482][ T10] ___sys_sendmsg+0xee/0x170 [ 6408.408482][ T10] __sys_sendmsg+0xcd/0x170 [ 6408.408482][ T10] do_syscall_64+0xc6/0x1e0 [ 6408.408482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6408.408482][ T10] [ 6416.385065][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6416.385567][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6416.385567][ T1167] dst_init+0x84/0x4a0 [ 6416.385567][ T1167] dst_alloc+0x97/0x150 [ 6416.385567][ T1167] ip6_dst_alloc+0x23/0x90 [ 6416.385567][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6416.385567][ T1167] ip6_pol_route+0x56f/0x840 [ 6416.385567][ T1167] fib6_rule_lookup+0x334/0x630 [ 6416.385567][ T1167] ip6_route_output_flags+0x259/0x480 [ 6416.385567][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6416.385567][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6416.385567][ T1167] netlink_rcv_skb+0x130/0x360 [ 6416.385567][ T1167] netlink_unicast+0x449/0x710 [ 6416.385567][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6416.385567][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6416.385567][ T1167] ___sys_sendmsg+0xee/0x170 [ 6416.385567][ T1167] __sys_sendmsg+0xcd/0x170 [ 6416.385567][ T1167] do_syscall_64+0xc6/0x1e0 [ 6416.385567][ T1167] [ 6416.388054][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6416.388054][ T1167] netdev_get_by_index+0x5e/0x80 [ 6416.388054][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6416.388054][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6416.388054][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6416.388054][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6416.388054][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6416.388054][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6416.388054][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6416.388054][ T1167] addrconf_dad_begin+0x310/0x670 [ 6416.388054][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6416.388054][ T1167] process_one_work+0x84d/0x18a0 [ 6416.388054][ T1167] worker_thread+0x587/0xd30 [ 6416.388054][ T1167] kthread+0x28a/0x350 [ 6416.388054][ T1167] ret_from_fork+0x31/0x70 [ 6416.388054][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6416.388054][ T1167] [ 6416.390442][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6416.390442][ T1167] netdev_get_by_index+0x5e/0x80 [ 6416.390442][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6416.390442][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6416.390442][ T1167] ip6_route_add+0x1c/0x140 [ 6416.390442][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6416.390442][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6416.390442][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6416.390442][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6416.390442][ T1167] netlink_rcv_skb+0x130/0x360 [ 6416.390442][ T1167] netlink_unicast+0x449/0x710 [ 6416.390442][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6416.390442][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6416.390442][ T1167] ___sys_sendmsg+0xee/0x170 [ 6416.390442][ T1167] __sys_sendmsg+0xcd/0x170 [ 6416.390442][ T1167] do_syscall_64+0xc6/0x1e0 [ 6416.390442][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6416.390442][ T1167] [ 6416.392960][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6416.392960][ T1167] netdev_get_by_index+0x5e/0x80 [ 6416.392960][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6416.392960][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6416.392960][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6416.392960][ T1167] ipv6_add_addr+0x411/0x2000 [ 6416.392960][ T1167] inet6_addr_add+0x30e/0xa40 [ 6416.392960][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6416.392960][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6416.392960][ T1167] netlink_rcv_skb+0x130/0x360 [ 6416.392960][ T1167] netlink_unicast+0x449/0x710 [ 6416.392960][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6416.392960][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6416.392960][ T1167] ___sys_sendmsg+0xee/0x170 [ 6416.392960][ T1167] __sys_sendmsg+0xcd/0x170 [ 6416.392960][ T1167] do_syscall_64+0xc6/0x1e0 [ 6416.392960][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6416.392960][ T1167] [ 6416.395477][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6416.395477][ T1167] netdev_get_by_index+0x5e/0x80 [ 6416.395477][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6416.395477][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6416.395477][ T1167] ip6_route_add+0x1c/0x140 [ 6416.395477][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6416.395477][ T1167] addrconf_add_dev+0xe2/0x170 [ 6416.395477][ T1167] inet6_addr_add+0x12f/0xa40 [ 6416.395477][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6416.395477][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6416.395477][ T1167] netlink_rcv_skb+0x130/0x360 [ 6416.395477][ T1167] netlink_unicast+0x449/0x710 [ 6416.395477][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6416.395477][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6416.395477][ T1167] ___sys_sendmsg+0xee/0x170 [ 6416.395477][ T1167] __sys_sendmsg+0xcd/0x170 [ 6416.395477][ T1167] do_syscall_64+0xc6/0x1e0 [ 6416.395477][ T1167] [ 6416.397997][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6416.397997][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6416.397997][ T1167] ipv6_find_idev+0x102/0x170 [ 6416.397997][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6416.397997][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6416.397997][ T1167] netlink_rcv_skb+0x130/0x360 [ 6416.397997][ T1167] netlink_unicast+0x449/0x710 [ 6416.397997][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6416.397997][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6416.397997][ T1167] ___sys_sendmsg+0xee/0x170 [ 6416.397997][ T1167] __sys_sendmsg+0xcd/0x170 [ 6416.397997][ T1167] do_syscall_64+0xc6/0x1e0 [ 6416.397997][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6416.397997][ T1167] [ 6416.399929][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6416.399929][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6416.399929][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6416.399929][ T1167] ipv6_find_idev+0x102/0x170 [ 6416.399929][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6416.399929][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6416.399929][ T1167] netlink_rcv_skb+0x130/0x360 [ 6416.399929][ T1167] netlink_unicast+0x449/0x710 [ 6416.399929][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6416.399929][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6416.399929][ T1167] ___sys_sendmsg+0xee/0x170 [ 6416.399929][ T1167] __sys_sendmsg+0xcd/0x170 [ 6416.399929][ T1167] do_syscall_64+0xc6/0x1e0 [ 6416.399929][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6416.399929][ T1167] [ 6418.433102][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6418.433596][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6418.433596][ T10] netdev_get_by_index+0x5e/0x80 [ 6418.433596][ T10] fib6_nh_init+0x3d8/0x1580 [ 6418.433596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6418.433596][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6418.433596][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6418.433596][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6418.433596][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6418.433596][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6418.433596][ T10] addrconf_dad_begin+0x310/0x670 [ 6418.433596][ T10] addrconf_dad_work+0x10b/0xab0 [ 6418.433596][ T10] process_one_work+0x84d/0x18a0 [ 6418.433596][ T10] worker_thread+0x587/0xd30 [ 6418.433596][ T10] kthread+0x28a/0x350 [ 6418.433596][ T10] ret_from_fork+0x31/0x70 [ 6418.433596][ T10] ret_from_fork_asm+0x1a/0x30 [ 6418.433596][ T10] [ 6418.435553][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6418.435553][ T10] netdev_get_by_index+0x5e/0x80 [ 6418.435553][ T10] fib6_nh_init+0x3d8/0x1580 [ 6418.435553][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6418.435553][ T10] ip6_route_add+0x1c/0x140 [ 6418.435553][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6418.435553][ T10] inet6_addr_add+0x4f8/0xa40 [ 6418.435553][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6418.435553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.435553][ T10] netlink_rcv_skb+0x130/0x360 [ 6418.435553][ T10] netlink_unicast+0x449/0x710 [ 6418.435553][ T10] netlink_sendmsg+0x723/0xbe0 [ 6418.435553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6418.435553][ T10] ___sys_sendmsg+0xee/0x170 [ 6418.435553][ T10] __sys_sendmsg+0xcd/0x170 [ 6418.435553][ T10] do_syscall_64+0xc6/0x1e0 [ 6418.435553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.435553][ T10] [ 6418.437560][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6418.437560][ T10] netdev_get_by_index+0x5e/0x80 [ 6418.437560][ T10] fib6_nh_init+0x3d8/0x1580 [ 6418.437560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6418.437560][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6418.437560][ T10] ipv6_add_addr+0x411/0x2000 [ 6418.437560][ T10] inet6_addr_add+0x30e/0xa40 [ 6418.437560][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6418.437560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.437560][ T10] netlink_rcv_skb+0x130/0x360 [ 6418.437560][ T10] netlink_unicast+0x449/0x710 [ 6418.437560][ T10] netlink_sendmsg+0x723/0xbe0 [ 6418.437560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6418.437560][ T10] ___sys_sendmsg+0xee/0x170 [ 6418.437560][ T10] __sys_sendmsg+0xcd/0x170 [ 6418.437560][ T10] do_syscall_64+0xc6/0x1e0 [ 6418.437560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.437560][ T10] [ 6418.439589][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6418.439589][ T10] netdev_get_by_index+0x5e/0x80 [ 6418.439589][ T10] fib6_nh_init+0x3d8/0x1580 [ 6418.439589][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6418.439589][ T10] ip6_route_add+0x1c/0x140 [ 6418.439589][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6418.439589][ T10] addrconf_add_dev+0xe2/0x170 [ 6418.439589][ T10] inet6_addr_add+0x12f/0xa40 [ 6418.439589][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6418.439589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.439589][ T10] netlink_rcv_skb+0x130/0x360 [ 6418.439589][ T10] netlink_unicast+0x449/0x710 [ 6418.439589][ T10] netlink_sendmsg+0x723/0xbe0 [ 6418.439589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6418.439589][ T10] ___sys_sendmsg+0xee/0x170 [ 6418.439589][ T10] __sys_sendmsg+0xcd/0x170 [ 6418.439589][ T10] do_syscall_64+0xc6/0x1e0 [ 6418.439589][ T10] [ 6418.441563][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6418.441563][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6418.441563][ T10] ipv6_find_idev+0x102/0x170 [ 6418.441563][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6418.441563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.441563][ T10] netlink_rcv_skb+0x130/0x360 [ 6418.441563][ T10] netlink_unicast+0x449/0x710 [ 6418.441563][ T10] netlink_sendmsg+0x723/0xbe0 [ 6418.441563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6418.441563][ T10] ___sys_sendmsg+0xee/0x170 [ 6418.441563][ T10] __sys_sendmsg+0xcd/0x170 [ 6418.441563][ T10] do_syscall_64+0xc6/0x1e0 [ 6418.441563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.441563][ T10] [ 6418.443107][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6418.443107][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6418.443107][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6418.443107][ T10] ipv6_find_idev+0x102/0x170 [ 6418.443107][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6418.443107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.443107][ T10] netlink_rcv_skb+0x130/0x360 [ 6418.443107][ T10] netlink_unicast+0x449/0x710 [ 6418.443107][ T10] netlink_sendmsg+0x723/0xbe0 [ 6418.443107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6418.443107][ T10] ___sys_sendmsg+0xee/0x170 [ 6418.443107][ T10] __sys_sendmsg+0xcd/0x170 [ 6418.443107][ T10] do_syscall_64+0xc6/0x1e0 [ 6418.443107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.443107][ T10] [ 6418.444814][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6418.445069][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6418.445069][ T10] netdev_get_by_index+0x5e/0x80 [ 6418.445069][ T10] fib6_nh_init+0x3d8/0x1580 [ 6418.445069][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6418.445069][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6418.445069][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6418.445069][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6418.445069][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6418.445069][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6418.445069][ T10] addrconf_dad_begin+0x310/0x670 [ 6418.445069][ T10] addrconf_dad_work+0x10b/0xab0 [ 6418.445069][ T10] process_one_work+0x84d/0x18a0 [ 6418.445069][ T10] worker_thread+0x587/0xd30 [ 6418.445069][ T10] kthread+0x28a/0x350 [ 6418.445069][ T10] ret_from_fork+0x31/0x70 [ 6418.445069][ T10] ret_from_fork_asm+0x1a/0x30 [ 6418.445069][ T10] [ 6418.446992][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6418.446992][ T10] netdev_get_by_index+0x5e/0x80 [ 6418.446992][ T10] fib6_nh_init+0x3d8/0x1580 [ 6418.446992][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6418.446992][ T10] ip6_route_add+0x1c/0x140 [ 6418.446992][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6418.446992][ T10] inet6_addr_add+0x4f8/0xa40 [ 6418.446992][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6418.446992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.446992][ T10] netlink_rcv_skb+0x130/0x360 [ 6418.446992][ T10] netlink_unicast+0x449/0x710 [ 6418.446992][ T10] netlink_sendmsg+0x723/0xbe0 [ 6418.446992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6418.446992][ T10] ___sys_sendmsg+0xee/0x170 [ 6418.446992][ T10] __sys_sendmsg+0xcd/0x170 [ 6418.446992][ T10] do_syscall_64+0xc6/0x1e0 [ 6418.446992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.446992][ T10] [ 6418.449010][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6418.449010][ T10] netdev_get_by_index+0x5e/0x80 [ 6418.449010][ T10] fib6_nh_init+0x3d8/0x1580 [ 6418.449010][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6418.449010][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6418.449010][ T10] ipv6_add_addr+0x411/0x2000 [ 6418.449010][ T10] inet6_addr_add+0x30e/0xa40 [ 6418.449010][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6418.449010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.449010][ T10] netlink_rcv_skb+0x130/0x360 [ 6418.449010][ T10] netlink_unicast+0x449/0x710 [ 6418.449010][ T10] netlink_sendmsg+0x723/0xbe0 [ 6418.449010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6418.449010][ T10] ___sys_sendmsg+0xee/0x170 [ 6418.449010][ T10] __sys_sendmsg+0xcd/0x170 [ 6418.449010][ T10] do_syscall_64+0xc6/0x1e0 [ 6418.449010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.449010][ T10] [ 6418.451022][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6418.451022][ T10] netdev_get_by_index+0x5e/0x80 [ 6418.451022][ T10] fib6_nh_init+0x3d8/0x1580 [ 6418.451022][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6418.451022][ T10] ip6_route_add+0x1c/0x140 [ 6418.451022][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6418.451022][ T10] addrconf_add_dev+0xe2/0x170 [ 6418.451022][ T10] inet6_addr_add+0x12f/0xa40 [ 6418.451022][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6418.451022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.451022][ T10] netlink_rcv_skb+0x130/0x360 [ 6418.451022][ T10] netlink_unicast+0x449/0x710 [ 6418.451022][ T10] netlink_sendmsg+0x723/0xbe0 [ 6418.451022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6418.451022][ T10] ___sys_sendmsg+0xee/0x170 [ 6418.451022][ T10] __sys_sendmsg+0xcd/0x170 [ 6418.451022][ T10] do_syscall_64+0xc6/0x1e0 [ 6418.451022][ T10] [ 6418.452994][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6418.452994][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6418.452994][ T10] ipv6_find_idev+0x102/0x170 [ 6418.452994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6418.452994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.452994][ T10] netlink_rcv_skb+0x130/0x360 [ 6418.452994][ T10] netlink_unicast+0x449/0x710 [ 6418.452994][ T10] netlink_sendmsg+0x723/0xbe0 [ 6418.452994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6418.452994][ T10] ___sys_sendmsg+0xee/0x170 [ 6418.452994][ T10] __sys_sendmsg+0xcd/0x170 [ 6418.452994][ T10] do_syscall_64+0xc6/0x1e0 [ 6418.452994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.452994][ T10] [ 6418.454539][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6418.454539][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6418.454539][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6418.454539][ T10] ipv6_find_idev+0x102/0x170 [ 6418.454539][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6418.454539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.454539][ T10] netlink_rcv_skb+0x130/0x360 [ 6418.454539][ T10] netlink_unicast+0x449/0x710 [ 6418.454539][ T10] netlink_sendmsg+0x723/0xbe0 [ 6418.454539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6418.454539][ T10] ___sys_sendmsg+0xee/0x170 [ 6418.454539][ T10] __sys_sendmsg+0xcd/0x170 [ 6418.454539][ T10] do_syscall_64+0xc6/0x1e0 [ 6418.454539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.454539][ T10] [ 6418.456237][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6418.456479][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6418.456479][ T10] netdev_get_by_index+0x5e/0x80 [ 6418.456479][ T10] fib6_nh_init+0x3d8/0x1580 [ 6418.456479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6418.456479][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6418.456479][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6418.456479][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6418.456479][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6418.456479][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6418.456479][ T10] addrconf_dad_begin+0x310/0x670 [ 6418.456479][ T10] addrconf_dad_work+0x10b/0xab0 [ 6418.456479][ T10] process_one_work+0x84d/0x18a0 [ 6418.456479][ T10] worker_thread+0x587/0xd30 [ 6418.456479][ T10] kthread+0x28a/0x350 [ 6418.456479][ T10] ret_from_fork+0x31/0x70 [ 6418.456479][ T10] ret_from_fork_asm+0x1a/0x30 [ 6418.456479][ T10] [ 6418.458409][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6418.458409][ T10] netdev_get_by_index+0x5e/0x80 [ 6418.458409][ T10] fib6_nh_init+0x3d8/0x1580 [ 6418.458409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6418.458409][ T10] ip6_route_add+0x1c/0x140 [ 6418.458409][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6418.458409][ T10] inet6_addr_add+0x4f8/0xa40 [ 6418.458409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6418.458409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.458409][ T10] netlink_rcv_skb+0x130/0x360 [ 6418.458409][ T10] netlink_unicast+0x449/0x710 [ 6418.458409][ T10] netlink_sendmsg+0x723/0xbe0 [ 6418.458409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6418.458409][ T10] ___sys_sendmsg+0xee/0x170 [ 6418.458409][ T10] __sys_sendmsg+0xcd/0x170 [ 6418.458409][ T10] do_syscall_64+0xc6/0x1e0 [ 6418.458409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.458409][ T10] [ 6418.460608][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6418.460608][ T10] netdev_get_by_index+0x5e/0x80 [ 6418.460608][ T10] fib6_nh_init+0x3d8/0x1580 [ 6418.460608][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6418.460608][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6418.460608][ T10] ipv6_add_addr+0x411/0x2000 [ 6418.460608][ T10] inet6_addr_add+0x30e/0xa40 [ 6418.460608][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6418.460608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.460608][ T10] netlink_rcv_skb+0x130/0x360 [ 6418.460608][ T10] netlink_unicast+0x449/0x710 [ 6418.460608][ T10] netlink_sendmsg+0x723/0xbe0 [ 6418.460608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6418.460608][ T10] ___sys_sendmsg+0xee/0x170 [ 6418.460608][ T10] __sys_sendmsg+0xcd/0x170 [ 6418.460608][ T10] do_syscall_64+0xc6/0x1e0 [ 6418.460608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.460608][ T10] [ 6418.462926][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6418.462926][ T10] netdev_get_by_index+0x5e/0x80 [ 6418.462926][ T10] fib6_nh_init+0x3d8/0x1580 [ 6418.462926][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6418.462926][ T10] ip6_route_add+0x1c/0x140 [ 6418.462926][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6418.462926][ T10] addrconf_add_dev+0xe2/0x170 [ 6418.462926][ T10] inet6_addr_add+0x12f/0xa40 [ 6418.462926][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6418.462926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.462926][ T10] netlink_rcv_skb+0x130/0x360 [ 6418.462926][ T10] netlink_unicast+0x449/0x710 [ 6418.462926][ T10] netlink_sendmsg+0x723/0xbe0 [ 6418.462926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6418.462926][ T10] ___sys_sendmsg+0xee/0x170 [ 6418.462926][ T10] __sys_sendmsg+0xcd/0x170 [ 6418.462926][ T10] do_syscall_64+0xc6/0x1e0 [ 6418.462926][ T10] [ 6418.465142][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6418.465142][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6418.465142][ T10] ipv6_find_idev+0x102/0x170 [ 6418.465142][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6418.465142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.465142][ T10] netlink_rcv_skb+0x130/0x360 [ 6418.465142][ T10] netlink_unicast+0x449/0x710 [ 6418.465142][ T10] netlink_sendmsg+0x723/0xbe0 [ 6418.465142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6418.465142][ T10] ___sys_sendmsg+0xee/0x170 [ 6418.465142][ T10] __sys_sendmsg+0xcd/0x170 [ 6418.465142][ T10] do_syscall_64+0xc6/0x1e0 [ 6418.465142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.465142][ T10] [ 6418.466869][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6418.466869][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6418.466869][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6418.466869][ T10] ipv6_find_idev+0x102/0x170 [ 6418.466869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6418.466869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.466869][ T10] netlink_rcv_skb+0x130/0x360 [ 6418.466869][ T10] netlink_unicast+0x449/0x710 [ 6418.466869][ T10] netlink_sendmsg+0x723/0xbe0 [ 6418.466869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6418.466869][ T10] ___sys_sendmsg+0xee/0x170 [ 6418.466869][ T10] __sys_sendmsg+0xcd/0x170 [ 6418.466869][ T10] do_syscall_64+0xc6/0x1e0 [ 6418.466869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.466869][ T10] [ 6418.468741][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6418.468980][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6418.468980][ T10] netdev_get_by_index+0x5e/0x80 [ 6418.468980][ T10] fib6_nh_init+0x3d8/0x1580 [ 6418.468980][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6418.468980][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6418.468980][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6418.468980][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6418.468980][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6418.468980][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6418.468980][ T10] addrconf_dad_begin+0x310/0x670 [ 6418.468980][ T10] addrconf_dad_work+0x10b/0xab0 [ 6418.468980][ T10] process_one_work+0x84d/0x18a0 [ 6418.468980][ T10] worker_thread+0x587/0xd30 [ 6418.468980][ T10] kthread+0x28a/0x350 [ 6418.468980][ T10] ret_from_fork+0x31/0x70 [ 6418.468980][ T10] ret_from_fork_asm+0x1a/0x30 [ 6418.468980][ T10] [ 6418.471200][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6418.471200][ T10] netdev_get_by_index+0x5e/0x80 [ 6418.471200][ T10] fib6_nh_init+0x3d8/0x1580 [ 6418.471200][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6418.471200][ T10] ip6_route_add+0x1c/0x140 [ 6418.471200][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6418.471200][ T10] inet6_addr_add+0x4f8/0xa40 [ 6418.471200][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6418.471200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.471200][ T10] netlink_rcv_skb+0x130/0x360 [ 6418.471200][ T10] netlink_unicast+0x449/0x710 [ 6418.471200][ T10] netlink_sendmsg+0x723/0xbe0 [ 6418.471200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6418.471200][ T10] ___sys_sendmsg+0xee/0x170 [ 6418.471200][ T10] __sys_sendmsg+0xcd/0x170 [ 6418.471200][ T10] do_syscall_64+0xc6/0x1e0 [ 6418.471200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.471200][ T10] [ 6418.473446][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6418.473446][ T10] netdev_get_by_index+0x5e/0x80 [ 6418.473446][ T10] fib6_nh_init+0x3d8/0x1580 [ 6418.473446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6418.473446][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6418.473446][ T10] ipv6_add_addr+0x411/0x2000 [ 6418.473446][ T10] inet6_addr_add+0x30e/0xa40 [ 6418.473446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6418.473446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.473446][ T10] netlink_rcv_skb+0x130/0x360 [ 6418.473446][ T10] netlink_unicast+0x449/0x710 [ 6418.473446][ T10] netlink_sendmsg+0x723/0xbe0 [ 6418.473446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6418.473446][ T10] ___sys_sendmsg+0xee/0x170 [ 6418.473446][ T10] __sys_sendmsg+0xcd/0x170 [ 6418.473446][ T10] do_syscall_64+0xc6/0x1e0 [ 6418.473446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.473446][ T10] [ 6418.475694][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6418.475694][ T10] netdev_get_by_index+0x5e/0x80 [ 6418.475694][ T10] fib6_nh_init+0x3d8/0x1580 [ 6418.475694][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6418.475694][ T10] ip6_route_add+0x1c/0x140 [ 6418.475694][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6418.475694][ T10] addrconf_add_dev+0xe2/0x170 [ 6418.475694][ T10] inet6_addr_add+0x12f/0xa40 [ 6418.475694][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6418.475694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.475694][ T10] netlink_rcv_skb+0x130/0x360 [ 6418.475694][ T10] netlink_unicast+0x449/0x710 [ 6418.475694][ T10] netlink_sendmsg+0x723/0xbe0 [ 6418.475694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6418.475694][ T10] ___sys_sendmsg+0xee/0x170 [ 6418.475694][ T10] __sys_sendmsg+0xcd/0x170 [ 6418.475694][ T10] do_syscall_64+0xc6/0x1e0 [ 6418.475694][ T10] [ 6418.477855][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6418.477855][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6418.477855][ T10] ipv6_find_idev+0x102/0x170 [ 6418.477855][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6418.477855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.477855][ T10] netlink_rcv_skb+0x130/0x360 [ 6418.477855][ T10] netlink_unicast+0x449/0x710 [ 6418.477855][ T10] netlink_sendmsg+0x723/0xbe0 [ 6418.477855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6418.477855][ T10] ___sys_sendmsg+0xee/0x170 [ 6418.477855][ T10] __sys_sendmsg+0xcd/0x170 [ 6418.477855][ T10] do_syscall_64+0xc6/0x1e0 [ 6418.477855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.477855][ T10] [ 6418.479580][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6418.479580][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6418.479580][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6418.479580][ T10] ipv6_find_idev+0x102/0x170 [ 6418.479580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6418.479580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6418.479580][ T10] netlink_rcv_skb+0x130/0x360 [ 6418.479580][ T10] netlink_unicast+0x449/0x710 [ 6418.479580][ T10] netlink_sendmsg+0x723/0xbe0 [ 6418.479580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6418.479580][ T10] ___sys_sendmsg+0xee/0x170 [ 6418.479580][ T10] __sys_sendmsg+0xcd/0x170 [ 6418.479580][ T10] do_syscall_64+0xc6/0x1e0 [ 6418.479580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6418.479580][ T10] [ 6426.433117][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6426.433644][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6426.433644][ T1167] dst_init+0x84/0x4a0 [ 6426.433644][ T1167] dst_alloc+0x97/0x150 [ 6426.433644][ T1167] ip6_dst_alloc+0x23/0x90 [ 6426.433644][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6426.433644][ T1167] ip6_pol_route+0x56f/0x840 [ 6426.433644][ T1167] fib6_rule_lookup+0x334/0x630 [ 6426.433644][ T1167] ip6_route_output_flags+0x259/0x480 [ 6426.433644][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6426.433644][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6426.433644][ T1167] netlink_rcv_skb+0x130/0x360 [ 6426.433644][ T1167] netlink_unicast+0x449/0x710 [ 6426.433644][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6426.433644][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6426.433644][ T1167] ___sys_sendmsg+0xee/0x170 [ 6426.433644][ T1167] __sys_sendmsg+0xcd/0x170 [ 6426.433644][ T1167] do_syscall_64+0xc6/0x1e0 [ 6426.433644][ T1167] [ 6426.435885][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6426.435885][ T1167] netdev_get_by_index+0x5e/0x80 [ 6426.435885][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6426.435885][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6426.435885][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6426.435885][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6426.435885][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6426.435885][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6426.435885][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6426.435885][ T1167] addrconf_dad_begin+0x310/0x670 [ 6426.435885][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6426.435885][ T1167] process_one_work+0x84d/0x18a0 [ 6426.435885][ T1167] worker_thread+0x587/0xd30 [ 6426.435885][ T1167] kthread+0x28a/0x350 [ 6426.435885][ T1167] ret_from_fork+0x31/0x70 [ 6426.435885][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6426.435885][ T1167] [ 6426.438069][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6426.438069][ T1167] netdev_get_by_index+0x5e/0x80 [ 6426.438069][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6426.438069][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6426.438069][ T1167] ip6_route_add+0x1c/0x140 [ 6426.438069][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6426.438069][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6426.438069][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6426.438069][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6426.438069][ T1167] netlink_rcv_skb+0x130/0x360 [ 6426.438069][ T1167] netlink_unicast+0x449/0x710 [ 6426.438069][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6426.438069][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6426.438069][ T1167] ___sys_sendmsg+0xee/0x170 [ 6426.438069][ T1167] __sys_sendmsg+0xcd/0x170 [ 6426.438069][ T1167] do_syscall_64+0xc6/0x1e0 [ 6426.438069][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6426.438069][ T1167] [ 6426.440989][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6426.440989][ T1167] netdev_get_by_index+0x5e/0x80 [ 6426.440989][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6426.440989][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6426.440989][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6426.440989][ T1167] ipv6_add_addr+0x411/0x2000 [ 6426.440989][ T1167] inet6_addr_add+0x30e/0xa40 [ 6426.440989][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6426.440989][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6426.440989][ T1167] netlink_rcv_skb+0x130/0x360 [ 6426.440989][ T1167] netlink_unicast+0x449/0x710 [ 6426.440989][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6426.440989][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6426.440989][ T1167] ___sys_sendmsg+0xee/0x170 [ 6426.440989][ T1167] __sys_sendmsg+0xcd/0x170 [ 6426.440989][ T1167] do_syscall_64+0xc6/0x1e0 [ 6426.440989][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6426.440989][ T1167] [ 6426.443247][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6426.443247][ T1167] netdev_get_by_index+0x5e/0x80 [ 6426.443247][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6426.443247][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6426.443247][ T1167] ip6_route_add+0x1c/0x140 [ 6426.443247][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6426.443247][ T1167] addrconf_add_dev+0xe2/0x170 [ 6426.443247][ T1167] inet6_addr_add+0x12f/0xa40 [ 6426.443247][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6426.443247][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6426.443247][ T1167] netlink_rcv_skb+0x130/0x360 [ 6426.443247][ T1167] netlink_unicast+0x449/0x710 [ 6426.443247][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6426.443247][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6426.443247][ T1167] ___sys_sendmsg+0xee/0x170 [ 6426.443247][ T1167] __sys_sendmsg+0xcd/0x170 [ 6426.443247][ T1167] do_syscall_64+0xc6/0x1e0 [ 6426.443247][ T1167] [ 6426.445476][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6426.445476][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6426.445476][ T1167] ipv6_find_idev+0x102/0x170 [ 6426.445476][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6426.445476][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6426.445476][ T1167] netlink_rcv_skb+0x130/0x360 [ 6426.445476][ T1167] netlink_unicast+0x449/0x710 [ 6426.445476][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6426.445476][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6426.445476][ T1167] ___sys_sendmsg+0xee/0x170 [ 6426.445476][ T1167] __sys_sendmsg+0xcd/0x170 [ 6426.445476][ T1167] do_syscall_64+0xc6/0x1e0 [ 6426.445476][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6426.445476][ T1167] [ 6426.447222][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6426.447222][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6426.447222][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6426.447222][ T1167] ipv6_find_idev+0x102/0x170 [ 6426.447222][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6426.447222][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6426.447222][ T1167] netlink_rcv_skb+0x130/0x360 [ 6426.447222][ T1167] netlink_unicast+0x449/0x710 [ 6426.447222][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6426.447222][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6426.447222][ T1167] ___sys_sendmsg+0xee/0x170 [ 6426.447222][ T1167] __sys_sendmsg+0xcd/0x170 [ 6426.447222][ T1167] do_syscall_64+0xc6/0x1e0 [ 6426.447222][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6426.447222][ T1167] [ 6428.737114][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6428.737561][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6428.737561][ T10] netdev_get_by_index+0x5e/0x80 [ 6428.737561][ T10] fib6_nh_init+0x3d8/0x1580 [ 6428.737561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6428.737561][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6428.737561][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6428.737561][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6428.737561][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6428.737561][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6428.737561][ T10] addrconf_dad_begin+0x310/0x670 [ 6428.737561][ T10] addrconf_dad_work+0x10b/0xab0 [ 6428.737561][ T10] process_one_work+0x84d/0x18a0 [ 6428.737561][ T10] worker_thread+0x587/0xd30 [ 6428.737561][ T10] kthread+0x28a/0x350 [ 6428.737561][ T10] ret_from_fork+0x31/0x70 [ 6428.737561][ T10] ret_from_fork_asm+0x1a/0x30 [ 6428.737561][ T10] [ 6428.739723][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6428.739723][ T10] netdev_get_by_index+0x5e/0x80 [ 6428.739723][ T10] fib6_nh_init+0x3d8/0x1580 [ 6428.739723][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6428.739723][ T10] ip6_route_add+0x1c/0x140 [ 6428.739723][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6428.739723][ T10] inet6_addr_add+0x4f8/0xa40 [ 6428.739723][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6428.739723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.739723][ T10] netlink_rcv_skb+0x130/0x360 [ 6428.739723][ T10] netlink_unicast+0x449/0x710 [ 6428.739723][ T10] netlink_sendmsg+0x723/0xbe0 [ 6428.739723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6428.739723][ T10] ___sys_sendmsg+0xee/0x170 [ 6428.739723][ T10] __sys_sendmsg+0xcd/0x170 [ 6428.739723][ T10] do_syscall_64+0xc6/0x1e0 [ 6428.739723][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.739723][ T10] [ 6428.741962][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6428.741962][ T10] netdev_get_by_index+0x5e/0x80 [ 6428.741962][ T10] fib6_nh_init+0x3d8/0x1580 [ 6428.741962][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6428.741962][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6428.741962][ T10] ipv6_add_addr+0x411/0x2000 [ 6428.741962][ T10] inet6_addr_add+0x30e/0xa40 [ 6428.741962][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6428.741962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.741962][ T10] netlink_rcv_skb+0x130/0x360 [ 6428.741962][ T10] netlink_unicast+0x449/0x710 [ 6428.741962][ T10] netlink_sendmsg+0x723/0xbe0 [ 6428.741962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6428.741962][ T10] ___sys_sendmsg+0xee/0x170 [ 6428.741962][ T10] __sys_sendmsg+0xcd/0x170 [ 6428.741962][ T10] do_syscall_64+0xc6/0x1e0 [ 6428.741962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.741962][ T10] [ 6428.744191][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6428.744191][ T10] netdev_get_by_index+0x5e/0x80 [ 6428.744191][ T10] fib6_nh_init+0x3d8/0x1580 [ 6428.744191][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6428.744191][ T10] ip6_route_add+0x1c/0x140 [ 6428.744191][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6428.744191][ T10] addrconf_add_dev+0xe2/0x170 [ 6428.744191][ T10] inet6_addr_add+0x12f/0xa40 [ 6428.744191][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6428.744191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.744191][ T10] netlink_rcv_skb+0x130/0x360 [ 6428.744191][ T10] netlink_unicast+0x449/0x710 [ 6428.744191][ T10] netlink_sendmsg+0x723/0xbe0 [ 6428.744191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6428.744191][ T10] ___sys_sendmsg+0xee/0x170 [ 6428.744191][ T10] __sys_sendmsg+0xcd/0x170 [ 6428.744191][ T10] do_syscall_64+0xc6/0x1e0 [ 6428.744191][ T10] [ 6428.746396][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6428.746396][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6428.746396][ T10] ipv6_find_idev+0x102/0x170 [ 6428.746396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6428.746396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.746396][ T10] netlink_rcv_skb+0x130/0x360 [ 6428.746396][ T10] netlink_unicast+0x449/0x710 [ 6428.746396][ T10] netlink_sendmsg+0x723/0xbe0 [ 6428.746396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6428.746396][ T10] ___sys_sendmsg+0xee/0x170 [ 6428.746396][ T10] __sys_sendmsg+0xcd/0x170 [ 6428.746396][ T10] do_syscall_64+0xc6/0x1e0 [ 6428.746396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.746396][ T10] [ 6428.748107][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6428.748107][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6428.748107][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6428.748107][ T10] ipv6_find_idev+0x102/0x170 [ 6428.748107][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6428.748107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.748107][ T10] netlink_rcv_skb+0x130/0x360 [ 6428.748107][ T10] netlink_unicast+0x449/0x710 [ 6428.748107][ T10] netlink_sendmsg+0x723/0xbe0 [ 6428.748107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6428.748107][ T10] ___sys_sendmsg+0xee/0x170 [ 6428.748107][ T10] __sys_sendmsg+0xcd/0x170 [ 6428.748107][ T10] do_syscall_64+0xc6/0x1e0 [ 6428.748107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.748107][ T10] [ 6428.749980][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6428.750265][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6428.750265][ T10] netdev_get_by_index+0x5e/0x80 [ 6428.750265][ T10] fib6_nh_init+0x3d8/0x1580 [ 6428.750265][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6428.750265][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6428.750265][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6428.750265][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6428.750265][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6428.750265][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6428.750265][ T10] addrconf_dad_begin+0x310/0x670 [ 6428.750265][ T10] addrconf_dad_work+0x10b/0xab0 [ 6428.750265][ T10] process_one_work+0x84d/0x18a0 [ 6428.750265][ T10] worker_thread+0x587/0xd30 [ 6428.750265][ T10] kthread+0x28a/0x350 [ 6428.750265][ T10] ret_from_fork+0x31/0x70 [ 6428.750265][ T10] ret_from_fork_asm+0x1a/0x30 [ 6428.750265][ T10] [ 6428.752382][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6428.752382][ T10] netdev_get_by_index+0x5e/0x80 [ 6428.752382][ T10] fib6_nh_init+0x3d8/0x1580 [ 6428.752382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6428.752382][ T10] ip6_route_add+0x1c/0x140 [ 6428.752382][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6428.752382][ T10] inet6_addr_add+0x4f8/0xa40 [ 6428.752382][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6428.752382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.752382][ T10] netlink_rcv_skb+0x130/0x360 [ 6428.752382][ T10] netlink_unicast+0x449/0x710 [ 6428.752382][ T10] netlink_sendmsg+0x723/0xbe0 [ 6428.752382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6428.752382][ T10] ___sys_sendmsg+0xee/0x170 [ 6428.752382][ T10] __sys_sendmsg+0xcd/0x170 [ 6428.752382][ T10] do_syscall_64+0xc6/0x1e0 [ 6428.752382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.752382][ T10] [ 6428.754609][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6428.754609][ T10] netdev_get_by_index+0x5e/0x80 [ 6428.754609][ T10] fib6_nh_init+0x3d8/0x1580 [ 6428.754609][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6428.754609][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6428.754609][ T10] ipv6_add_addr+0x411/0x2000 [ 6428.754609][ T10] inet6_addr_add+0x30e/0xa40 [ 6428.754609][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6428.754609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.754609][ T10] netlink_rcv_skb+0x130/0x360 [ 6428.754609][ T10] netlink_unicast+0x449/0x710 [ 6428.754609][ T10] netlink_sendmsg+0x723/0xbe0 [ 6428.754609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6428.754609][ T10] ___sys_sendmsg+0xee/0x170 [ 6428.754609][ T10] __sys_sendmsg+0xcd/0x170 [ 6428.754609][ T10] do_syscall_64+0xc6/0x1e0 [ 6428.754609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.754609][ T10] [ 6428.756832][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6428.756832][ T10] netdev_get_by_index+0x5e/0x80 [ 6428.756832][ T10] fib6_nh_init+0x3d8/0x1580 [ 6428.756832][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6428.756832][ T10] ip6_route_add+0x1c/0x140 [ 6428.756832][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6428.756832][ T10] addrconf_add_dev+0xe2/0x170 [ 6428.756832][ T10] inet6_addr_add+0x12f/0xa40 [ 6428.756832][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6428.756832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.756832][ T10] netlink_rcv_skb+0x130/0x360 [ 6428.756832][ T10] netlink_unicast+0x449/0x710 [ 6428.756832][ T10] netlink_sendmsg+0x723/0xbe0 [ 6428.756832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6428.756832][ T10] ___sys_sendmsg+0xee/0x170 [ 6428.756832][ T10] __sys_sendmsg+0xcd/0x170 [ 6428.756832][ T10] do_syscall_64+0xc6/0x1e0 [ 6428.756832][ T10] [ 6428.759019][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6428.759019][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6428.759019][ T10] ipv6_find_idev+0x102/0x170 [ 6428.759019][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6428.759019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.759019][ T10] netlink_rcv_skb+0x130/0x360 [ 6428.759019][ T10] netlink_unicast+0x449/0x710 [ 6428.759019][ T10] netlink_sendmsg+0x723/0xbe0 [ 6428.759019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6428.759019][ T10] ___sys_sendmsg+0xee/0x170 [ 6428.759019][ T10] __sys_sendmsg+0xcd/0x170 [ 6428.759019][ T10] do_syscall_64+0xc6/0x1e0 [ 6428.759019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.759019][ T10] [ 6428.760721][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6428.760721][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6428.760721][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6428.760721][ T10] ipv6_find_idev+0x102/0x170 [ 6428.760721][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6428.760721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.760721][ T10] netlink_rcv_skb+0x130/0x360 [ 6428.760721][ T10] netlink_unicast+0x449/0x710 [ 6428.760721][ T10] netlink_sendmsg+0x723/0xbe0 [ 6428.760721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6428.760721][ T10] ___sys_sendmsg+0xee/0x170 [ 6428.760721][ T10] __sys_sendmsg+0xcd/0x170 [ 6428.760721][ T10] do_syscall_64+0xc6/0x1e0 [ 6428.760721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.760721][ T10] [ 6428.762592][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6428.762849][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6428.762849][ T10] netdev_get_by_index+0x5e/0x80 [ 6428.762849][ T10] fib6_nh_init+0x3d8/0x1580 [ 6428.762849][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6428.762849][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6428.762849][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6428.762849][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6428.762849][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6428.762849][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6428.762849][ T10] addrconf_dad_begin+0x310/0x670 [ 6428.762849][ T10] addrconf_dad_work+0x10b/0xab0 [ 6428.762849][ T10] process_one_work+0x84d/0x18a0 [ 6428.762849][ T10] worker_thread+0x587/0xd30 [ 6428.762849][ T10] kthread+0x28a/0x350 [ 6428.762849][ T10] ret_from_fork+0x31/0x70 [ 6428.762849][ T10] ret_from_fork_asm+0x1a/0x30 [ 6428.762849][ T10] [ 6428.764972][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6428.764972][ T10] netdev_get_by_index+0x5e/0x80 [ 6428.764972][ T10] fib6_nh_init+0x3d8/0x1580 [ 6428.764972][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6428.764972][ T10] ip6_route_add+0x1c/0x140 [ 6428.764972][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6428.764972][ T10] inet6_addr_add+0x4f8/0xa40 [ 6428.764972][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6428.764972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.764972][ T10] netlink_rcv_skb+0x130/0x360 [ 6428.764972][ T10] netlink_unicast+0x449/0x710 [ 6428.764972][ T10] netlink_sendmsg+0x723/0xbe0 [ 6428.764972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6428.764972][ T10] ___sys_sendmsg+0xee/0x170 [ 6428.764972][ T10] __sys_sendmsg+0xcd/0x170 [ 6428.764972][ T10] do_syscall_64+0xc6/0x1e0 [ 6428.764972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.764972][ T10] [ 6428.767331][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6428.767331][ T10] netdev_get_by_index+0x5e/0x80 [ 6428.767331][ T10] fib6_nh_init+0x3d8/0x1580 [ 6428.767331][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6428.767331][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6428.767331][ T10] ipv6_add_addr+0x411/0x2000 [ 6428.767331][ T10] inet6_addr_add+0x30e/0xa40 [ 6428.767331][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6428.767331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.767331][ T10] netlink_rcv_skb+0x130/0x360 [ 6428.767331][ T10] netlink_unicast+0x449/0x710 [ 6428.767331][ T10] netlink_sendmsg+0x723/0xbe0 [ 6428.767331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6428.767331][ T10] ___sys_sendmsg+0xee/0x170 [ 6428.767331][ T10] __sys_sendmsg+0xcd/0x170 [ 6428.767331][ T10] do_syscall_64+0xc6/0x1e0 [ 6428.767331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.767331][ T10] [ 6428.769683][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6428.769683][ T10] netdev_get_by_index+0x5e/0x80 [ 6428.769683][ T10] fib6_nh_init+0x3d8/0x1580 [ 6428.769683][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6428.769683][ T10] ip6_route_add+0x1c/0x140 [ 6428.769683][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6428.769683][ T10] addrconf_add_dev+0xe2/0x170 [ 6428.769683][ T10] inet6_addr_add+0x12f/0xa40 [ 6428.769683][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6428.769683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.769683][ T10] netlink_rcv_skb+0x130/0x360 [ 6428.769683][ T10] netlink_unicast+0x449/0x710 [ 6428.769683][ T10] netlink_sendmsg+0x723/0xbe0 [ 6428.769683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6428.769683][ T10] ___sys_sendmsg+0xee/0x170 [ 6428.769683][ T10] __sys_sendmsg+0xcd/0x170 [ 6428.769683][ T10] do_syscall_64+0xc6/0x1e0 [ 6428.769683][ T10] [ 6428.771913][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6428.771913][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6428.771913][ T10] ipv6_find_idev+0x102/0x170 [ 6428.771913][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6428.771913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.771913][ T10] netlink_rcv_skb+0x130/0x360 [ 6428.771913][ T10] netlink_unicast+0x449/0x710 [ 6428.771913][ T10] netlink_sendmsg+0x723/0xbe0 [ 6428.771913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6428.771913][ T10] ___sys_sendmsg+0xee/0x170 [ 6428.771913][ T10] __sys_sendmsg+0xcd/0x170 [ 6428.771913][ T10] do_syscall_64+0xc6/0x1e0 [ 6428.771913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.771913][ T10] [ 6428.773748][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6428.773748][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6428.773748][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6428.773748][ T10] ipv6_find_idev+0x102/0x170 [ 6428.773748][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6428.773748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.773748][ T10] netlink_rcv_skb+0x130/0x360 [ 6428.773748][ T10] netlink_unicast+0x449/0x710 [ 6428.773748][ T10] netlink_sendmsg+0x723/0xbe0 [ 6428.773748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6428.773748][ T10] ___sys_sendmsg+0xee/0x170 [ 6428.773748][ T10] __sys_sendmsg+0xcd/0x170 [ 6428.773748][ T10] do_syscall_64+0xc6/0x1e0 [ 6428.773748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.773748][ T10] [ 6428.775756][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6428.776035][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6428.776035][ T10] netdev_get_by_index+0x5e/0x80 [ 6428.776035][ T10] fib6_nh_init+0x3d8/0x1580 [ 6428.776035][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6428.776035][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6428.776035][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6428.776035][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6428.776035][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6428.776035][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6428.776035][ T10] addrconf_dad_begin+0x310/0x670 [ 6428.776035][ T10] addrconf_dad_work+0x10b/0xab0 [ 6428.776035][ T10] process_one_work+0x84d/0x18a0 [ 6428.776035][ T10] worker_thread+0x587/0xd30 [ 6428.776035][ T10] kthread+0x28a/0x350 [ 6428.776035][ T10] ret_from_fork+0x31/0x70 [ 6428.776035][ T10] ret_from_fork_asm+0x1a/0x30 [ 6428.776035][ T10] [ 6428.778277][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6428.778277][ T10] netdev_get_by_index+0x5e/0x80 [ 6428.778277][ T10] fib6_nh_init+0x3d8/0x1580 [ 6428.778277][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6428.778277][ T10] ip6_route_add+0x1c/0x140 [ 6428.778277][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6428.778277][ T10] inet6_addr_add+0x4f8/0xa40 [ 6428.778277][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6428.778277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.778277][ T10] netlink_rcv_skb+0x130/0x360 [ 6428.778277][ T10] netlink_unicast+0x449/0x710 [ 6428.778277][ T10] netlink_sendmsg+0x723/0xbe0 [ 6428.778277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6428.778277][ T10] ___sys_sendmsg+0xee/0x170 [ 6428.778277][ T10] __sys_sendmsg+0xcd/0x170 [ 6428.778277][ T10] do_syscall_64+0xc6/0x1e0 [ 6428.778277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.778277][ T10] [ 6428.780634][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6428.780634][ T10] netdev_get_by_index+0x5e/0x80 [ 6428.780634][ T10] fib6_nh_init+0x3d8/0x1580 [ 6428.780634][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6428.780634][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6428.780634][ T10] ipv6_add_addr+0x411/0x2000 [ 6428.780634][ T10] inet6_addr_add+0x30e/0xa40 [ 6428.780634][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6428.780634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.780634][ T10] netlink_rcv_skb+0x130/0x360 [ 6428.780634][ T10] netlink_unicast+0x449/0x710 [ 6428.780634][ T10] netlink_sendmsg+0x723/0xbe0 [ 6428.780634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6428.780634][ T10] ___sys_sendmsg+0xee/0x170 [ 6428.780634][ T10] __sys_sendmsg+0xcd/0x170 [ 6428.780634][ T10] do_syscall_64+0xc6/0x1e0 [ 6428.780634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.780634][ T10] [ 6428.782994][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6428.782994][ T10] netdev_get_by_index+0x5e/0x80 [ 6428.782994][ T10] fib6_nh_init+0x3d8/0x1580 [ 6428.782994][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6428.782994][ T10] ip6_route_add+0x1c/0x140 [ 6428.782994][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6428.782994][ T10] addrconf_add_dev+0xe2/0x170 [ 6428.782994][ T10] inet6_addr_add+0x12f/0xa40 [ 6428.782994][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6428.782994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.782994][ T10] netlink_rcv_skb+0x130/0x360 [ 6428.782994][ T10] netlink_unicast+0x449/0x710 [ 6428.782994][ T10] netlink_sendmsg+0x723/0xbe0 [ 6428.782994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6428.782994][ T10] ___sys_sendmsg+0xee/0x170 [ 6428.782994][ T10] __sys_sendmsg+0xcd/0x170 [ 6428.782994][ T10] do_syscall_64+0xc6/0x1e0 [ 6428.782994][ T10] [ 6428.785320][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6428.785320][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6428.785320][ T10] ipv6_find_idev+0x102/0x170 [ 6428.785320][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6428.785320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.785320][ T10] netlink_rcv_skb+0x130/0x360 [ 6428.785320][ T10] netlink_unicast+0x449/0x710 [ 6428.785320][ T10] netlink_sendmsg+0x723/0xbe0 [ 6428.785320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6428.785320][ T10] ___sys_sendmsg+0xee/0x170 [ 6428.785320][ T10] __sys_sendmsg+0xcd/0x170 [ 6428.785320][ T10] do_syscall_64+0xc6/0x1e0 [ 6428.785320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.785320][ T10] [ 6428.787096][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6428.787096][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6428.787096][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6428.787096][ T10] ipv6_find_idev+0x102/0x170 [ 6428.787096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6428.787096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6428.787096][ T10] netlink_rcv_skb+0x130/0x360 [ 6428.787096][ T10] netlink_unicast+0x449/0x710 [ 6428.787096][ T10] netlink_sendmsg+0x723/0xbe0 [ 6428.787096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6428.787096][ T10] ___sys_sendmsg+0xee/0x170 [ 6428.787096][ T10] __sys_sendmsg+0xcd/0x170 [ 6428.787096][ T10] do_syscall_64+0xc6/0x1e0 [ 6428.787096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6428.787096][ T10] [ 6436.649140][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6436.649627][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6436.649627][ T1167] dst_init+0x84/0x4a0 [ 6436.649627][ T1167] dst_alloc+0x97/0x150 [ 6436.649627][ T1167] ip6_dst_alloc+0x23/0x90 [ 6436.649627][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6436.649627][ T1167] ip6_pol_route+0x56f/0x840 [ 6436.649627][ T1167] fib6_rule_lookup+0x334/0x630 [ 6436.649627][ T1167] ip6_route_output_flags+0x259/0x480 [ 6436.649627][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6436.649627][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6436.649627][ T1167] netlink_rcv_skb+0x130/0x360 [ 6436.649627][ T1167] netlink_unicast+0x449/0x710 [ 6436.649627][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6436.649627][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6436.649627][ T1167] ___sys_sendmsg+0xee/0x170 [ 6436.649627][ T1167] __sys_sendmsg+0xcd/0x170 [ 6436.649627][ T1167] do_syscall_64+0xc6/0x1e0 [ 6436.649627][ T1167] [ 6436.652069][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6436.652069][ T1167] netdev_get_by_index+0x5e/0x80 [ 6436.652069][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6436.652069][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6436.652069][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6436.652069][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6436.652069][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6436.652069][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6436.652069][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6436.652069][ T1167] addrconf_dad_begin+0x310/0x670 [ 6436.652069][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6436.652069][ T1167] process_one_work+0x84d/0x18a0 [ 6436.652069][ T1167] worker_thread+0x587/0xd30 [ 6436.652069][ T1167] kthread+0x28a/0x350 [ 6436.652069][ T1167] ret_from_fork+0x31/0x70 [ 6436.652069][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6436.652069][ T1167] [ 6436.654439][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6436.654439][ T1167] netdev_get_by_index+0x5e/0x80 [ 6436.654439][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6436.654439][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6436.654439][ T1167] ip6_route_add+0x1c/0x140 [ 6436.654439][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6436.654439][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6436.654439][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6436.654439][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6436.654439][ T1167] netlink_rcv_skb+0x130/0x360 [ 6436.654439][ T1167] netlink_unicast+0x449/0x710 [ 6436.654439][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6436.654439][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6436.654439][ T1167] ___sys_sendmsg+0xee/0x170 [ 6436.654439][ T1167] __sys_sendmsg+0xcd/0x170 [ 6436.654439][ T1167] do_syscall_64+0xc6/0x1e0 [ 6436.654439][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6436.654439][ T1167] [ 6436.656921][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6436.656921][ T1167] netdev_get_by_index+0x5e/0x80 [ 6436.656921][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6436.656921][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6436.656921][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6436.656921][ T1167] ipv6_add_addr+0x411/0x2000 [ 6436.656921][ T1167] inet6_addr_add+0x30e/0xa40 [ 6436.656921][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6436.656921][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6436.656921][ T1167] netlink_rcv_skb+0x130/0x360 [ 6436.656921][ T1167] netlink_unicast+0x449/0x710 [ 6436.656921][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6436.656921][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6436.656921][ T1167] ___sys_sendmsg+0xee/0x170 [ 6436.656921][ T1167] __sys_sendmsg+0xcd/0x170 [ 6436.656921][ T1167] do_syscall_64+0xc6/0x1e0 [ 6436.656921][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6436.656921][ T1167] [ 6436.659396][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6436.659396][ T1167] netdev_get_by_index+0x5e/0x80 [ 6436.659396][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6436.659396][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6436.659396][ T1167] ip6_route_add+0x1c/0x140 [ 6436.659396][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6436.659396][ T1167] addrconf_add_dev+0xe2/0x170 [ 6436.659396][ T1167] inet6_addr_add+0x12f/0xa40 [ 6436.659396][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6436.659396][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6436.659396][ T1167] netlink_rcv_skb+0x130/0x360 [ 6436.659396][ T1167] netlink_unicast+0x449/0x710 [ 6436.659396][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6436.659396][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6436.659396][ T1167] ___sys_sendmsg+0xee/0x170 [ 6436.659396][ T1167] __sys_sendmsg+0xcd/0x170 [ 6436.659396][ T1167] do_syscall_64+0xc6/0x1e0 [ 6436.659396][ T1167] [ 6436.661812][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6436.661812][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6436.661812][ T1167] ipv6_find_idev+0x102/0x170 [ 6436.661812][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6436.661812][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6436.661812][ T1167] netlink_rcv_skb+0x130/0x360 [ 6436.661812][ T1167] netlink_unicast+0x449/0x710 [ 6436.661812][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6436.661812][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6436.661812][ T1167] ___sys_sendmsg+0xee/0x170 [ 6436.661812][ T1167] __sys_sendmsg+0xcd/0x170 [ 6436.661812][ T1167] do_syscall_64+0xc6/0x1e0 [ 6436.661812][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6436.661812][ T1167] [ 6436.663703][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6436.663703][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6436.663703][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6436.663703][ T1167] ipv6_find_idev+0x102/0x170 [ 6436.663703][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6436.663703][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6436.663703][ T1167] netlink_rcv_skb+0x130/0x360 [ 6436.663703][ T1167] netlink_unicast+0x449/0x710 [ 6436.663703][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6436.663703][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6436.663703][ T1167] ___sys_sendmsg+0xee/0x170 [ 6436.663703][ T1167] __sys_sendmsg+0xcd/0x170 [ 6436.663703][ T1167] do_syscall_64+0xc6/0x1e0 [ 6436.663703][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6436.663703][ T1167] [ 6438.953124][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6438.953561][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6438.953561][ T10] netdev_get_by_index+0x5e/0x80 [ 6438.953561][ T10] fib6_nh_init+0x3d8/0x1580 [ 6438.953561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6438.953561][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6438.953561][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6438.953561][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6438.953561][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6438.953561][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6438.953561][ T10] addrconf_dad_begin+0x310/0x670 [ 6438.953561][ T10] addrconf_dad_work+0x10b/0xab0 [ 6438.953561][ T10] process_one_work+0x84d/0x18a0 [ 6438.953561][ T10] worker_thread+0x587/0xd30 [ 6438.953561][ T10] kthread+0x28a/0x350 [ 6438.953561][ T10] ret_from_fork+0x31/0x70 [ 6438.953561][ T10] ret_from_fork_asm+0x1a/0x30 [ 6438.953561][ T10] [ 6438.955700][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6438.955700][ T10] netdev_get_by_index+0x5e/0x80 [ 6438.955700][ T10] fib6_nh_init+0x3d8/0x1580 [ 6438.955700][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6438.955700][ T10] ip6_route_add+0x1c/0x140 [ 6438.955700][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6438.955700][ T10] inet6_addr_add+0x4f8/0xa40 [ 6438.955700][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6438.955700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6438.955700][ T10] netlink_rcv_skb+0x130/0x360 [ 6438.955700][ T10] netlink_unicast+0x449/0x710 [ 6438.955700][ T10] netlink_sendmsg+0x723/0xbe0 [ 6438.955700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6438.955700][ T10] ___sys_sendmsg+0xee/0x170 [ 6438.955700][ T10] __sys_sendmsg+0xcd/0x170 [ 6438.955700][ T10] do_syscall_64+0xc6/0x1e0 [ 6438.955700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6438.955700][ T10] [ 6438.957942][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6438.957942][ T10] netdev_get_by_index+0x5e/0x80 [ 6438.957942][ T10] fib6_nh_init+0x3d8/0x1580 [ 6438.957942][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6438.957942][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6438.957942][ T10] ipv6_add_addr+0x411/0x2000 [ 6438.957942][ T10] inet6_addr_add+0x30e/0xa40 [ 6438.957942][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6438.957942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6438.957942][ T10] netlink_rcv_skb+0x130/0x360 [ 6438.957942][ T10] netlink_unicast+0x449/0x710 [ 6438.957942][ T10] netlink_sendmsg+0x723/0xbe0 [ 6438.957942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6438.957942][ T10] ___sys_sendmsg+0xee/0x170 [ 6438.957942][ T10] __sys_sendmsg+0xcd/0x170 [ 6438.957942][ T10] do_syscall_64+0xc6/0x1e0 [ 6438.957942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6438.957942][ T10] [ 6438.960139][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6438.960139][ T10] netdev_get_by_index+0x5e/0x80 [ 6438.960139][ T10] fib6_nh_init+0x3d8/0x1580 [ 6438.960139][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6438.960139][ T10] ip6_route_add+0x1c/0x140 [ 6438.960139][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6438.960139][ T10] addrconf_add_dev+0xe2/0x170 [ 6438.960139][ T10] inet6_addr_add+0x12f/0xa40 [ 6438.960139][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6438.960139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6438.960139][ T10] netlink_rcv_skb+0x130/0x360 [ 6438.960139][ T10] netlink_unicast+0x449/0x710 [ 6438.960139][ T10] netlink_sendmsg+0x723/0xbe0 [ 6438.960139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6438.960139][ T10] ___sys_sendmsg+0xee/0x170 [ 6438.960139][ T10] __sys_sendmsg+0xcd/0x170 [ 6438.960139][ T10] do_syscall_64+0xc6/0x1e0 [ 6438.960139][ T10] [ 6438.962427][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6438.962427][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6438.962427][ T10] ipv6_find_idev+0x102/0x170 [ 6438.962427][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6438.962427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6438.962427][ T10] netlink_rcv_skb+0x130/0x360 [ 6438.962427][ T10] netlink_unicast+0x449/0x710 [ 6438.962427][ T10] netlink_sendmsg+0x723/0xbe0 [ 6438.962427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6438.962427][ T10] ___sys_sendmsg+0xee/0x170 [ 6438.962427][ T10] __sys_sendmsg+0xcd/0x170 [ 6438.962427][ T10] do_syscall_64+0xc6/0x1e0 [ 6438.962427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6438.962427][ T10] [ 6438.964136][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6438.964136][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6438.964136][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6438.964136][ T10] ipv6_find_idev+0x102/0x170 [ 6438.964136][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6438.964136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6438.964136][ T10] netlink_rcv_skb+0x130/0x360 [ 6438.964136][ T10] netlink_unicast+0x449/0x710 [ 6438.964136][ T10] netlink_sendmsg+0x723/0xbe0 [ 6438.964136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6438.964136][ T10] ___sys_sendmsg+0xee/0x170 [ 6438.964136][ T10] __sys_sendmsg+0xcd/0x170 [ 6438.964136][ T10] do_syscall_64+0xc6/0x1e0 [ 6438.964136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6438.964136][ T10] [ 6438.966019][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6438.966277][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6438.966277][ T10] netdev_get_by_index+0x5e/0x80 [ 6438.966277][ T10] fib6_nh_init+0x3d8/0x1580 [ 6438.966277][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6438.966277][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6438.966277][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6438.966277][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6438.966277][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6438.966277][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6438.966277][ T10] addrconf_dad_begin+0x310/0x670 [ 6438.966277][ T10] addrconf_dad_work+0x10b/0xab0 [ 6438.966277][ T10] process_one_work+0x84d/0x18a0 [ 6438.966277][ T10] worker_thread+0x587/0xd30 [ 6438.966277][ T10] kthread+0x28a/0x350 [ 6438.966277][ T10] ret_from_fork+0x31/0x70 [ 6438.966277][ T10] ret_from_fork_asm+0x1a/0x30 [ 6438.966277][ T10] [ 6438.968408][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6438.968408][ T10] netdev_get_by_index+0x5e/0x80 [ 6438.968408][ T10] fib6_nh_init+0x3d8/0x1580 [ 6438.968408][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6438.968408][ T10] ip6_route_add+0x1c/0x140 [ 6438.968408][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6438.968408][ T10] inet6_addr_add+0x4f8/0xa40 [ 6438.968408][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6438.968408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6438.968408][ T10] netlink_rcv_skb+0x130/0x360 [ 6438.968408][ T10] netlink_unicast+0x449/0x710 [ 6438.968408][ T10] netlink_sendmsg+0x723/0xbe0 [ 6438.968408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6438.968408][ T10] ___sys_sendmsg+0xee/0x170 [ 6438.968408][ T10] __sys_sendmsg+0xcd/0x170 [ 6438.968408][ T10] do_syscall_64+0xc6/0x1e0 [ 6438.968408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6438.968408][ T10] [ 6438.970616][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6438.970616][ T10] netdev_get_by_index+0x5e/0x80 [ 6438.970616][ T10] fib6_nh_init+0x3d8/0x1580 [ 6438.970616][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6438.970616][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6438.970616][ T10] ipv6_add_addr+0x411/0x2000 [ 6438.970616][ T10] inet6_addr_add+0x30e/0xa40 [ 6438.970616][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6438.970616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6438.970616][ T10] netlink_rcv_skb+0x130/0x360 [ 6438.970616][ T10] netlink_unicast+0x449/0x710 [ 6438.970616][ T10] netlink_sendmsg+0x723/0xbe0 [ 6438.970616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6438.970616][ T10] ___sys_sendmsg+0xee/0x170 [ 6438.970616][ T10] __sys_sendmsg+0xcd/0x170 [ 6438.970616][ T10] do_syscall_64+0xc6/0x1e0 [ 6438.970616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6438.970616][ T10] [ 6438.972823][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6438.972823][ T10] netdev_get_by_index+0x5e/0x80 [ 6438.972823][ T10] fib6_nh_init+0x3d8/0x1580 [ 6438.972823][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6438.972823][ T10] ip6_route_add+0x1c/0x140 [ 6438.972823][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6438.972823][ T10] addrconf_add_dev+0xe2/0x170 [ 6438.972823][ T10] inet6_addr_add+0x12f/0xa40 [ 6438.972823][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6438.972823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6438.972823][ T10] netlink_rcv_skb+0x130/0x360 [ 6438.972823][ T10] netlink_unicast+0x449/0x710 [ 6438.972823][ T10] netlink_sendmsg+0x723/0xbe0 [ 6438.972823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6438.972823][ T10] ___sys_sendmsg+0xee/0x170 [ 6438.972823][ T10] __sys_sendmsg+0xcd/0x170 [ 6438.972823][ T10] do_syscall_64+0xc6/0x1e0 [ 6438.972823][ T10] [ 6438.975010][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6438.975010][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6438.975010][ T10] ipv6_find_idev+0x102/0x170 [ 6438.975010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6438.975010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6438.975010][ T10] netlink_rcv_skb+0x130/0x360 [ 6438.975010][ T10] netlink_unicast+0x449/0x710 [ 6438.975010][ T10] netlink_sendmsg+0x723/0xbe0 [ 6438.975010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6438.975010][ T10] ___sys_sendmsg+0xee/0x170 [ 6438.975010][ T10] __sys_sendmsg+0xcd/0x170 [ 6438.975010][ T10] do_syscall_64+0xc6/0x1e0 [ 6438.975010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6438.975010][ T10] [ 6438.976716][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6438.976716][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6438.976716][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6438.976716][ T10] ipv6_find_idev+0x102/0x170 [ 6438.976716][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6438.976716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6438.976716][ T10] netlink_rcv_skb+0x130/0x360 [ 6438.976716][ T10] netlink_unicast+0x449/0x710 [ 6438.976716][ T10] netlink_sendmsg+0x723/0xbe0 [ 6438.976716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6438.976716][ T10] ___sys_sendmsg+0xee/0x170 [ 6438.976716][ T10] __sys_sendmsg+0xcd/0x170 [ 6438.976716][ T10] do_syscall_64+0xc6/0x1e0 [ 6438.976716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6438.976716][ T10] [ 6438.978588][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6438.978840][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6438.978840][ T10] netdev_get_by_index+0x5e/0x80 [ 6438.978840][ T10] fib6_nh_init+0x3d8/0x1580 [ 6438.978840][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6438.978840][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6438.978840][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6438.978840][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6438.978840][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6438.978840][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6438.978840][ T10] addrconf_dad_begin+0x310/0x670 [ 6438.978840][ T10] addrconf_dad_work+0x10b/0xab0 [ 6438.978840][ T10] process_one_work+0x84d/0x18a0 [ 6438.978840][ T10] worker_thread+0x587/0xd30 [ 6438.978840][ T10] kthread+0x28a/0x350 [ 6438.978840][ T10] ret_from_fork+0x31/0x70 [ 6438.978840][ T10] ret_from_fork_asm+0x1a/0x30 [ 6438.978840][ T10] [ 6438.980962][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6438.980962][ T10] netdev_get_by_index+0x5e/0x80 [ 6438.980962][ T10] fib6_nh_init+0x3d8/0x1580 [ 6438.980962][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6438.980962][ T10] ip6_route_add+0x1c/0x140 [ 6438.980962][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6438.980962][ T10] inet6_addr_add+0x4f8/0xa40 [ 6438.980962][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6438.980962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6438.980962][ T10] netlink_rcv_skb+0x130/0x360 [ 6438.980962][ T10] netlink_unicast+0x449/0x710 [ 6438.980962][ T10] netlink_sendmsg+0x723/0xbe0 [ 6438.980962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6438.980962][ T10] ___sys_sendmsg+0xee/0x170 [ 6438.980962][ T10] __sys_sendmsg+0xcd/0x170 [ 6438.980962][ T10] do_syscall_64+0xc6/0x1e0 [ 6438.980962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6438.980962][ T10] [ 6438.983325][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6438.983325][ T10] netdev_get_by_index+0x5e/0x80 [ 6438.983325][ T10] fib6_nh_init+0x3d8/0x1580 [ 6438.983325][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6438.983325][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6438.983325][ T10] ipv6_add_addr+0x411/0x2000 [ 6438.983325][ T10] inet6_addr_add+0x30e/0xa40 [ 6438.983325][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6438.983325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6438.983325][ T10] netlink_rcv_skb+0x130/0x360 [ 6438.983325][ T10] netlink_unicast+0x449/0x710 [ 6438.983325][ T10] netlink_sendmsg+0x723/0xbe0 [ 6438.983325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6438.983325][ T10] ___sys_sendmsg+0xee/0x170 [ 6438.983325][ T10] __sys_sendmsg+0xcd/0x170 [ 6438.983325][ T10] do_syscall_64+0xc6/0x1e0 [ 6438.983325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6438.983325][ T10] [ 6438.985694][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6438.985694][ T10] netdev_get_by_index+0x5e/0x80 [ 6438.985694][ T10] fib6_nh_init+0x3d8/0x1580 [ 6438.985694][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6438.985694][ T10] ip6_route_add+0x1c/0x140 [ 6438.985694][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6438.985694][ T10] addrconf_add_dev+0xe2/0x170 [ 6438.985694][ T10] inet6_addr_add+0x12f/0xa40 [ 6438.985694][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6438.985694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6438.985694][ T10] netlink_rcv_skb+0x130/0x360 [ 6438.985694][ T10] netlink_unicast+0x449/0x710 [ 6438.985694][ T10] netlink_sendmsg+0x723/0xbe0 [ 6438.985694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6438.985694][ T10] ___sys_sendmsg+0xee/0x170 [ 6438.985694][ T10] __sys_sendmsg+0xcd/0x170 [ 6438.985694][ T10] do_syscall_64+0xc6/0x1e0 [ 6438.985694][ T10] [ 6438.987949][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6438.987949][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6438.987949][ T10] ipv6_find_idev+0x102/0x170 [ 6438.987949][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6438.987949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6438.987949][ T10] netlink_rcv_skb+0x130/0x360 [ 6438.987949][ T10] netlink_unicast+0x449/0x710 [ 6438.987949][ T10] netlink_sendmsg+0x723/0xbe0 [ 6438.987949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6438.987949][ T10] ___sys_sendmsg+0xee/0x170 [ 6438.987949][ T10] __sys_sendmsg+0xcd/0x170 [ 6438.987949][ T10] do_syscall_64+0xc6/0x1e0 [ 6438.987949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6438.987949][ T10] [ 6438.989793][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6438.989793][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6438.989793][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6438.989793][ T10] ipv6_find_idev+0x102/0x170 [ 6438.989793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6438.989793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6438.989793][ T10] netlink_rcv_skb+0x130/0x360 [ 6438.989793][ T10] netlink_unicast+0x449/0x710 [ 6438.989793][ T10] netlink_sendmsg+0x723/0xbe0 [ 6438.989793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6438.989793][ T10] ___sys_sendmsg+0xee/0x170 [ 6438.989793][ T10] __sys_sendmsg+0xcd/0x170 [ 6438.989793][ T10] do_syscall_64+0xc6/0x1e0 [ 6438.989793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6438.989793][ T10] [ 6438.991872][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6438.992575][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6438.992575][ T10] netdev_get_by_index+0x5e/0x80 [ 6438.992575][ T10] fib6_nh_init+0x3d8/0x1580 [ 6438.992575][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6438.992575][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6438.992575][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6438.992575][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6438.992575][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6438.992575][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6438.992575][ T10] addrconf_dad_begin+0x310/0x670 [ 6438.992575][ T10] addrconf_dad_work+0x10b/0xab0 [ 6438.992575][ T10] process_one_work+0x84d/0x18a0 [ 6438.992575][ T10] worker_thread+0x587/0xd30 [ 6438.992575][ T10] kthread+0x28a/0x350 [ 6438.992575][ T10] ret_from_fork+0x31/0x70 [ 6438.992575][ T10] ret_from_fork_asm+0x1a/0x30 [ 6438.992575][ T10] [ 6438.994696][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6438.994696][ T10] netdev_get_by_index+0x5e/0x80 [ 6438.994696][ T10] fib6_nh_init+0x3d8/0x1580 [ 6438.994696][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6438.994696][ T10] ip6_route_add+0x1c/0x140 [ 6438.994696][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6438.994696][ T10] inet6_addr_add+0x4f8/0xa40 [ 6438.994696][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6438.994696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6438.994696][ T10] netlink_rcv_skb+0x130/0x360 [ 6438.994696][ T10] netlink_unicast+0x449/0x710 [ 6438.994696][ T10] netlink_sendmsg+0x723/0xbe0 [ 6438.994696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6438.994696][ T10] ___sys_sendmsg+0xee/0x170 [ 6438.994696][ T10] __sys_sendmsg+0xcd/0x170 [ 6438.994696][ T10] do_syscall_64+0xc6/0x1e0 [ 6438.994696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6438.994696][ T10] [ 6438.996980][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6438.996980][ T10] netdev_get_by_index+0x5e/0x80 [ 6438.996980][ T10] fib6_nh_init+0x3d8/0x1580 [ 6438.996980][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6438.996980][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6438.996980][ T10] ipv6_add_addr+0x411/0x2000 [ 6438.996980][ T10] inet6_addr_add+0x30e/0xa40 [ 6438.996980][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6438.996980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6438.996980][ T10] netlink_rcv_skb+0x130/0x360 [ 6438.996980][ T10] netlink_unicast+0x449/0x710 [ 6438.996980][ T10] netlink_sendmsg+0x723/0xbe0 [ 6438.996980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6438.996980][ T10] ___sys_sendmsg+0xee/0x170 [ 6438.996980][ T10] __sys_sendmsg+0xcd/0x170 [ 6438.996980][ T10] do_syscall_64+0xc6/0x1e0 [ 6438.996980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6438.996980][ T10] [ 6438.999266][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6438.999266][ T10] netdev_get_by_index+0x5e/0x80 [ 6438.999266][ T10] fib6_nh_init+0x3d8/0x1580 [ 6438.999266][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6438.999266][ T10] ip6_route_add+0x1c/0x140 [ 6438.999266][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6438.999266][ T10] addrconf_add_dev+0xe2/0x170 [ 6438.999266][ T10] inet6_addr_add+0x12f/0xa40 [ 6438.999266][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6438.999266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6438.999266][ T10] netlink_rcv_skb+0x130/0x360 [ 6438.999266][ T10] netlink_unicast+0x449/0x710 [ 6438.999266][ T10] netlink_sendmsg+0x723/0xbe0 [ 6438.999266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6438.999266][ T10] ___sys_sendmsg+0xee/0x170 [ 6438.999266][ T10] __sys_sendmsg+0xcd/0x170 [ 6438.999266][ T10] do_syscall_64+0xc6/0x1e0 [ 6438.999266][ T10] [ 6439.001582][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6439.001582][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6439.001582][ T10] ipv6_find_idev+0x102/0x170 [ 6439.001582][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6439.001582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6439.001582][ T10] netlink_rcv_skb+0x130/0x360 [ 6439.001582][ T10] netlink_unicast+0x449/0x710 [ 6439.001582][ T10] netlink_sendmsg+0x723/0xbe0 [ 6439.001582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6439.001582][ T10] ___sys_sendmsg+0xee/0x170 [ 6439.001582][ T10] __sys_sendmsg+0xcd/0x170 [ 6439.001582][ T10] do_syscall_64+0xc6/0x1e0 [ 6439.001582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6439.001582][ T10] [ 6439.003428][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6439.003428][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6439.003428][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6439.003428][ T10] ipv6_find_idev+0x102/0x170 [ 6439.003428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6439.003428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6439.003428][ T10] netlink_rcv_skb+0x130/0x360 [ 6439.003428][ T10] netlink_unicast+0x449/0x710 [ 6439.003428][ T10] netlink_sendmsg+0x723/0xbe0 [ 6439.003428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6439.003428][ T10] ___sys_sendmsg+0xee/0x170 [ 6439.003428][ T10] __sys_sendmsg+0xcd/0x170 [ 6439.003428][ T10] do_syscall_64+0xc6/0x1e0 [ 6439.003428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6439.003428][ T10] [ 6446.913113][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6446.913563][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6446.913563][ T1167] dst_init+0x84/0x4a0 [ 6446.913563][ T1167] dst_alloc+0x97/0x150 [ 6446.913563][ T1167] ip6_dst_alloc+0x23/0x90 [ 6446.913563][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6446.913563][ T1167] ip6_pol_route+0x56f/0x840 [ 6446.913563][ T1167] fib6_rule_lookup+0x334/0x630 [ 6446.913563][ T1167] ip6_route_output_flags+0x259/0x480 [ 6446.913563][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6446.913563][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6446.913563][ T1167] netlink_rcv_skb+0x130/0x360 [ 6446.913563][ T1167] netlink_unicast+0x449/0x710 [ 6446.913563][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6446.913563][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6446.913563][ T1167] ___sys_sendmsg+0xee/0x170 [ 6446.913563][ T1167] __sys_sendmsg+0xcd/0x170 [ 6446.913563][ T1167] do_syscall_64+0xc6/0x1e0 [ 6446.913563][ T1167] [ 6446.915993][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6446.915993][ T1167] netdev_get_by_index+0x5e/0x80 [ 6446.915993][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6446.915993][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6446.915993][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6446.915993][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6446.915993][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6446.915993][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6446.915993][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6446.915993][ T1167] addrconf_dad_begin+0x310/0x670 [ 6446.915993][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6446.915993][ T1167] process_one_work+0x84d/0x18a0 [ 6446.915993][ T1167] worker_thread+0x587/0xd30 [ 6446.915993][ T1167] kthread+0x28a/0x350 [ 6446.915993][ T1167] ret_from_fork+0x31/0x70 [ 6446.915993][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6446.915993][ T1167] [ 6446.918345][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6446.918345][ T1167] netdev_get_by_index+0x5e/0x80 [ 6446.918345][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6446.918345][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6446.918345][ T1167] ip6_route_add+0x1c/0x140 [ 6446.918345][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6446.918345][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6446.918345][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6446.918345][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6446.918345][ T1167] netlink_rcv_skb+0x130/0x360 [ 6446.918345][ T1167] netlink_unicast+0x449/0x710 [ 6446.918345][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6446.918345][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6446.918345][ T1167] ___sys_sendmsg+0xee/0x170 [ 6446.918345][ T1167] __sys_sendmsg+0xcd/0x170 [ 6446.918345][ T1167] do_syscall_64+0xc6/0x1e0 [ 6446.918345][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6446.918345][ T1167] [ 6446.920815][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6446.920815][ T1167] netdev_get_by_index+0x5e/0x80 [ 6446.920815][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6446.920815][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6446.920815][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6446.920815][ T1167] ipv6_add_addr+0x411/0x2000 [ 6446.920815][ T1167] inet6_addr_add+0x30e/0xa40 [ 6446.920815][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6446.920815][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6446.920815][ T1167] netlink_rcv_skb+0x130/0x360 [ 6446.920815][ T1167] netlink_unicast+0x449/0x710 [ 6446.920815][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6446.920815][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6446.920815][ T1167] ___sys_sendmsg+0xee/0x170 [ 6446.920815][ T1167] __sys_sendmsg+0xcd/0x170 [ 6446.920815][ T1167] do_syscall_64+0xc6/0x1e0 [ 6446.920815][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6446.920815][ T1167] [ 6446.923283][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6446.923283][ T1167] netdev_get_by_index+0x5e/0x80 [ 6446.923283][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6446.923283][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6446.923283][ T1167] ip6_route_add+0x1c/0x140 [ 6446.923283][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6446.923283][ T1167] addrconf_add_dev+0xe2/0x170 [ 6446.923283][ T1167] inet6_addr_add+0x12f/0xa40 [ 6446.923283][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6446.923283][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6446.923283][ T1167] netlink_rcv_skb+0x130/0x360 [ 6446.923283][ T1167] netlink_unicast+0x449/0x710 [ 6446.923283][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6446.923283][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6446.923283][ T1167] ___sys_sendmsg+0xee/0x170 [ 6446.923283][ T1167] __sys_sendmsg+0xcd/0x170 [ 6446.923283][ T1167] do_syscall_64+0xc6/0x1e0 [ 6446.923283][ T1167] [ 6446.925704][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6446.925704][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6446.925704][ T1167] ipv6_find_idev+0x102/0x170 [ 6446.925704][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6446.925704][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6446.925704][ T1167] netlink_rcv_skb+0x130/0x360 [ 6446.925704][ T1167] netlink_unicast+0x449/0x710 [ 6446.925704][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6446.925704][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6446.925704][ T1167] ___sys_sendmsg+0xee/0x170 [ 6446.925704][ T1167] __sys_sendmsg+0xcd/0x170 [ 6446.925704][ T1167] do_syscall_64+0xc6/0x1e0 [ 6446.925704][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6446.925704][ T1167] [ 6446.927609][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6446.927609][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6446.927609][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6446.927609][ T1167] ipv6_find_idev+0x102/0x170 [ 6446.927609][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6446.927609][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6446.927609][ T1167] netlink_rcv_skb+0x130/0x360 [ 6446.927609][ T1167] netlink_unicast+0x449/0x710 [ 6446.927609][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6446.927609][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6446.927609][ T1167] ___sys_sendmsg+0xee/0x170 [ 6446.927609][ T1167] __sys_sendmsg+0xcd/0x170 [ 6446.927609][ T1167] do_syscall_64+0xc6/0x1e0 [ 6446.927609][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6446.927609][ T1167] [ 6449.241102][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6449.241529][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6449.241529][ T10] netdev_get_by_index+0x5e/0x80 [ 6449.241529][ T10] fib6_nh_init+0x3d8/0x1580 [ 6449.241529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6449.241529][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6449.241529][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6449.241529][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6449.241529][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6449.241529][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6449.241529][ T10] addrconf_dad_begin+0x310/0x670 [ 6449.241529][ T10] addrconf_dad_work+0x10b/0xab0 [ 6449.241529][ T10] process_one_work+0x84d/0x18a0 [ 6449.241529][ T10] worker_thread+0x587/0xd30 [ 6449.241529][ T10] kthread+0x28a/0x350 [ 6449.241529][ T10] ret_from_fork+0x31/0x70 [ 6449.241529][ T10] ret_from_fork_asm+0x1a/0x30 [ 6449.241529][ T10] [ 6449.243661][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6449.243661][ T10] netdev_get_by_index+0x5e/0x80 [ 6449.243661][ T10] fib6_nh_init+0x3d8/0x1580 [ 6449.243661][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6449.243661][ T10] ip6_route_add+0x1c/0x140 [ 6449.243661][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6449.243661][ T10] inet6_addr_add+0x4f8/0xa40 [ 6449.243661][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6449.243661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.243661][ T10] netlink_rcv_skb+0x130/0x360 [ 6449.243661][ T10] netlink_unicast+0x449/0x710 [ 6449.243661][ T10] netlink_sendmsg+0x723/0xbe0 [ 6449.243661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6449.243661][ T10] ___sys_sendmsg+0xee/0x170 [ 6449.243661][ T10] __sys_sendmsg+0xcd/0x170 [ 6449.243661][ T10] do_syscall_64+0xc6/0x1e0 [ 6449.243661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.243661][ T10] [ 6449.245897][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6449.245897][ T10] netdev_get_by_index+0x5e/0x80 [ 6449.245897][ T10] fib6_nh_init+0x3d8/0x1580 [ 6449.245897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6449.245897][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6449.245897][ T10] ipv6_add_addr+0x411/0x2000 [ 6449.245897][ T10] inet6_addr_add+0x30e/0xa40 [ 6449.245897][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6449.245897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.245897][ T10] netlink_rcv_skb+0x130/0x360 [ 6449.245897][ T10] netlink_unicast+0x449/0x710 [ 6449.245897][ T10] netlink_sendmsg+0x723/0xbe0 [ 6449.245897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6449.245897][ T10] ___sys_sendmsg+0xee/0x170 [ 6449.245897][ T10] __sys_sendmsg+0xcd/0x170 [ 6449.245897][ T10] do_syscall_64+0xc6/0x1e0 [ 6449.245897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.245897][ T10] [ 6449.248125][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6449.248125][ T10] netdev_get_by_index+0x5e/0x80 [ 6449.248125][ T10] fib6_nh_init+0x3d8/0x1580 [ 6449.248125][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6449.248125][ T10] ip6_route_add+0x1c/0x140 [ 6449.248125][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6449.248125][ T10] addrconf_add_dev+0xe2/0x170 [ 6449.248125][ T10] inet6_addr_add+0x12f/0xa40 [ 6449.248125][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6449.248125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.248125][ T10] netlink_rcv_skb+0x130/0x360 [ 6449.248125][ T10] netlink_unicast+0x449/0x710 [ 6449.248125][ T10] netlink_sendmsg+0x723/0xbe0 [ 6449.248125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6449.248125][ T10] ___sys_sendmsg+0xee/0x170 [ 6449.248125][ T10] __sys_sendmsg+0xcd/0x170 [ 6449.248125][ T10] do_syscall_64+0xc6/0x1e0 [ 6449.248125][ T10] [ 6449.250300][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6449.250300][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6449.250300][ T10] ipv6_find_idev+0x102/0x170 [ 6449.250300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6449.250300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.250300][ T10] netlink_rcv_skb+0x130/0x360 [ 6449.250300][ T10] netlink_unicast+0x449/0x710 [ 6449.250300][ T10] netlink_sendmsg+0x723/0xbe0 [ 6449.250300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6449.250300][ T10] ___sys_sendmsg+0xee/0x170 [ 6449.250300][ T10] __sys_sendmsg+0xcd/0x170 [ 6449.250300][ T10] do_syscall_64+0xc6/0x1e0 [ 6449.250300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.250300][ T10] [ 6449.252015][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6449.252015][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6449.252015][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6449.252015][ T10] ipv6_find_idev+0x102/0x170 [ 6449.252015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6449.252015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.252015][ T10] netlink_rcv_skb+0x130/0x360 [ 6449.252015][ T10] netlink_unicast+0x449/0x710 [ 6449.252015][ T10] netlink_sendmsg+0x723/0xbe0 [ 6449.252015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6449.252015][ T10] ___sys_sendmsg+0xee/0x170 [ 6449.252015][ T10] __sys_sendmsg+0xcd/0x170 [ 6449.252015][ T10] do_syscall_64+0xc6/0x1e0 [ 6449.252015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.252015][ T10] [ 6449.253890][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6449.254173][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6449.254173][ T10] netdev_get_by_index+0x5e/0x80 [ 6449.254173][ T10] fib6_nh_init+0x3d8/0x1580 [ 6449.254173][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6449.254173][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6449.254173][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6449.254173][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6449.254173][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6449.254173][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6449.254173][ T10] addrconf_dad_begin+0x310/0x670 [ 6449.254173][ T10] addrconf_dad_work+0x10b/0xab0 [ 6449.254173][ T10] process_one_work+0x84d/0x18a0 [ 6449.254173][ T10] worker_thread+0x587/0xd30 [ 6449.254173][ T10] kthread+0x28a/0x350 [ 6449.254173][ T10] ret_from_fork+0x31/0x70 [ 6449.254173][ T10] ret_from_fork_asm+0x1a/0x30 [ 6449.254173][ T10] [ 6449.256317][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6449.256317][ T10] netdev_get_by_index+0x5e/0x80 [ 6449.256317][ T10] fib6_nh_init+0x3d8/0x1580 [ 6449.256317][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6449.256317][ T10] ip6_route_add+0x1c/0x140 [ 6449.256317][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6449.256317][ T10] inet6_addr_add+0x4f8/0xa40 [ 6449.256317][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6449.256317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.256317][ T10] netlink_rcv_skb+0x130/0x360 [ 6449.256317][ T10] netlink_unicast+0x449/0x710 [ 6449.256317][ T10] netlink_sendmsg+0x723/0xbe0 [ 6449.256317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6449.256317][ T10] ___sys_sendmsg+0xee/0x170 [ 6449.256317][ T10] __sys_sendmsg+0xcd/0x170 [ 6449.256317][ T10] do_syscall_64+0xc6/0x1e0 [ 6449.256317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.256317][ T10] [ 6449.258529][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6449.258529][ T10] netdev_get_by_index+0x5e/0x80 [ 6449.258529][ T10] fib6_nh_init+0x3d8/0x1580 [ 6449.258529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6449.258529][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6449.258529][ T10] ipv6_add_addr+0x411/0x2000 [ 6449.258529][ T10] inet6_addr_add+0x30e/0xa40 [ 6449.258529][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6449.258529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.258529][ T10] netlink_rcv_skb+0x130/0x360 [ 6449.258529][ T10] netlink_unicast+0x449/0x710 [ 6449.258529][ T10] netlink_sendmsg+0x723/0xbe0 [ 6449.258529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6449.258529][ T10] ___sys_sendmsg+0xee/0x170 [ 6449.258529][ T10] __sys_sendmsg+0xcd/0x170 [ 6449.258529][ T10] do_syscall_64+0xc6/0x1e0 [ 6449.258529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.258529][ T10] [ 6449.260743][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6449.260743][ T10] netdev_get_by_index+0x5e/0x80 [ 6449.260743][ T10] fib6_nh_init+0x3d8/0x1580 [ 6449.260743][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6449.260743][ T10] ip6_route_add+0x1c/0x140 [ 6449.260743][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6449.260743][ T10] addrconf_add_dev+0xe2/0x170 [ 6449.260743][ T10] inet6_addr_add+0x12f/0xa40 [ 6449.260743][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6449.260743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.260743][ T10] netlink_rcv_skb+0x130/0x360 [ 6449.260743][ T10] netlink_unicast+0x449/0x710 [ 6449.260743][ T10] netlink_sendmsg+0x723/0xbe0 [ 6449.260743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6449.260743][ T10] ___sys_sendmsg+0xee/0x170 [ 6449.260743][ T10] __sys_sendmsg+0xcd/0x170 [ 6449.260743][ T10] do_syscall_64+0xc6/0x1e0 [ 6449.260743][ T10] [ 6449.262921][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6449.262921][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6449.262921][ T10] ipv6_find_idev+0x102/0x170 [ 6449.262921][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6449.262921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.262921][ T10] netlink_rcv_skb+0x130/0x360 [ 6449.262921][ T10] netlink_unicast+0x449/0x710 [ 6449.262921][ T10] netlink_sendmsg+0x723/0xbe0 [ 6449.262921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6449.262921][ T10] ___sys_sendmsg+0xee/0x170 [ 6449.262921][ T10] __sys_sendmsg+0xcd/0x170 [ 6449.262921][ T10] do_syscall_64+0xc6/0x1e0 [ 6449.262921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.262921][ T10] [ 6449.264641][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6449.264641][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6449.264641][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6449.264641][ T10] ipv6_find_idev+0x102/0x170 [ 6449.264641][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6449.264641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.264641][ T10] netlink_rcv_skb+0x130/0x360 [ 6449.264641][ T10] netlink_unicast+0x449/0x710 [ 6449.264641][ T10] netlink_sendmsg+0x723/0xbe0 [ 6449.264641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6449.264641][ T10] ___sys_sendmsg+0xee/0x170 [ 6449.264641][ T10] __sys_sendmsg+0xcd/0x170 [ 6449.264641][ T10] do_syscall_64+0xc6/0x1e0 [ 6449.264641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.264641][ T10] [ 6449.266507][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6449.266763][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6449.266763][ T10] netdev_get_by_index+0x5e/0x80 [ 6449.266763][ T10] fib6_nh_init+0x3d8/0x1580 [ 6449.266763][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6449.266763][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6449.266763][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6449.266763][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6449.266763][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6449.266763][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6449.266763][ T10] addrconf_dad_begin+0x310/0x670 [ 6449.266763][ T10] addrconf_dad_work+0x10b/0xab0 [ 6449.266763][ T10] process_one_work+0x84d/0x18a0 [ 6449.266763][ T10] worker_thread+0x587/0xd30 [ 6449.266763][ T10] kthread+0x28a/0x350 [ 6449.266763][ T10] ret_from_fork+0x31/0x70 [ 6449.266763][ T10] ret_from_fork_asm+0x1a/0x30 [ 6449.266763][ T10] [ 6449.268882][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6449.268882][ T10] netdev_get_by_index+0x5e/0x80 [ 6449.268882][ T10] fib6_nh_init+0x3d8/0x1580 [ 6449.268882][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6449.268882][ T10] ip6_route_add+0x1c/0x140 [ 6449.268882][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6449.268882][ T10] inet6_addr_add+0x4f8/0xa40 [ 6449.268882][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6449.268882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.268882][ T10] netlink_rcv_skb+0x130/0x360 [ 6449.268882][ T10] netlink_unicast+0x449/0x710 [ 6449.268882][ T10] netlink_sendmsg+0x723/0xbe0 [ 6449.268882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6449.268882][ T10] ___sys_sendmsg+0xee/0x170 [ 6449.268882][ T10] __sys_sendmsg+0xcd/0x170 [ 6449.268882][ T10] do_syscall_64+0xc6/0x1e0 [ 6449.268882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.268882][ T10] [ 6449.271277][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6449.271277][ T10] netdev_get_by_index+0x5e/0x80 [ 6449.271277][ T10] fib6_nh_init+0x3d8/0x1580 [ 6449.271277][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6449.271277][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6449.271277][ T10] ipv6_add_addr+0x411/0x2000 [ 6449.271277][ T10] inet6_addr_add+0x30e/0xa40 [ 6449.271277][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6449.271277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.271277][ T10] netlink_rcv_skb+0x130/0x360 [ 6449.271277][ T10] netlink_unicast+0x449/0x710 [ 6449.271277][ T10] netlink_sendmsg+0x723/0xbe0 [ 6449.271277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6449.271277][ T10] ___sys_sendmsg+0xee/0x170 [ 6449.271277][ T10] __sys_sendmsg+0xcd/0x170 [ 6449.271277][ T10] do_syscall_64+0xc6/0x1e0 [ 6449.271277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.271277][ T10] [ 6449.273739][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6449.273739][ T10] netdev_get_by_index+0x5e/0x80 [ 6449.273739][ T10] fib6_nh_init+0x3d8/0x1580 [ 6449.273739][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6449.273739][ T10] ip6_route_add+0x1c/0x140 [ 6449.273739][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6449.273739][ T10] addrconf_add_dev+0xe2/0x170 [ 6449.273739][ T10] inet6_addr_add+0x12f/0xa40 [ 6449.273739][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6449.273739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.273739][ T10] netlink_rcv_skb+0x130/0x360 [ 6449.273739][ T10] netlink_unicast+0x449/0x710 [ 6449.273739][ T10] netlink_sendmsg+0x723/0xbe0 [ 6449.273739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6449.273739][ T10] ___sys_sendmsg+0xee/0x170 [ 6449.273739][ T10] __sys_sendmsg+0xcd/0x170 [ 6449.273739][ T10] do_syscall_64+0xc6/0x1e0 [ 6449.273739][ T10] [ 6449.276072][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6449.276072][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6449.276072][ T10] ipv6_find_idev+0x102/0x170 [ 6449.276072][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6449.276072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.276072][ T10] netlink_rcv_skb+0x130/0x360 [ 6449.276072][ T10] netlink_unicast+0x449/0x710 [ 6449.276072][ T10] netlink_sendmsg+0x723/0xbe0 [ 6449.276072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6449.276072][ T10] ___sys_sendmsg+0xee/0x170 [ 6449.276072][ T10] __sys_sendmsg+0xcd/0x170 [ 6449.276072][ T10] do_syscall_64+0xc6/0x1e0 [ 6449.276072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.276072][ T10] [ 6449.278022][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6449.278022][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6449.278022][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6449.278022][ T10] ipv6_find_idev+0x102/0x170 [ 6449.278022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6449.278022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.278022][ T10] netlink_rcv_skb+0x130/0x360 [ 6449.278022][ T10] netlink_unicast+0x449/0x710 [ 6449.278022][ T10] netlink_sendmsg+0x723/0xbe0 [ 6449.278022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6449.278022][ T10] ___sys_sendmsg+0xee/0x170 [ 6449.278022][ T10] __sys_sendmsg+0xcd/0x170 [ 6449.278022][ T10] do_syscall_64+0xc6/0x1e0 [ 6449.278022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.278022][ T10] [ 6449.280123][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6449.280378][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6449.280378][ T10] netdev_get_by_index+0x5e/0x80 [ 6449.280378][ T10] fib6_nh_init+0x3d8/0x1580 [ 6449.280378][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6449.280378][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6449.280378][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6449.280378][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6449.280378][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6449.280378][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6449.280378][ T10] addrconf_dad_begin+0x310/0x670 [ 6449.280378][ T10] addrconf_dad_work+0x10b/0xab0 [ 6449.280378][ T10] process_one_work+0x84d/0x18a0 [ 6449.280378][ T10] worker_thread+0x587/0xd30 [ 6449.280378][ T10] kthread+0x28a/0x350 [ 6449.280378][ T10] ret_from_fork+0x31/0x70 [ 6449.280378][ T10] ret_from_fork_asm+0x1a/0x30 [ 6449.280378][ T10] [ 6449.282737][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6449.282737][ T10] netdev_get_by_index+0x5e/0x80 [ 6449.282737][ T10] fib6_nh_init+0x3d8/0x1580 [ 6449.282737][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6449.282737][ T10] ip6_route_add+0x1c/0x140 [ 6449.282737][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6449.282737][ T10] inet6_addr_add+0x4f8/0xa40 [ 6449.282737][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6449.282737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.282737][ T10] netlink_rcv_skb+0x130/0x360 [ 6449.282737][ T10] netlink_unicast+0x449/0x710 [ 6449.282737][ T10] netlink_sendmsg+0x723/0xbe0 [ 6449.282737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6449.282737][ T10] ___sys_sendmsg+0xee/0x170 [ 6449.282737][ T10] __sys_sendmsg+0xcd/0x170 [ 6449.282737][ T10] do_syscall_64+0xc6/0x1e0 [ 6449.282737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.282737][ T10] [ 6449.285141][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6449.285141][ T10] netdev_get_by_index+0x5e/0x80 [ 6449.285141][ T10] fib6_nh_init+0x3d8/0x1580 [ 6449.285141][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6449.285141][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6449.285141][ T10] ipv6_add_addr+0x411/0x2000 [ 6449.285141][ T10] inet6_addr_add+0x30e/0xa40 [ 6449.285141][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6449.285141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.285141][ T10] netlink_rcv_skb+0x130/0x360 [ 6449.285141][ T10] netlink_unicast+0x449/0x710 [ 6449.285141][ T10] netlink_sendmsg+0x723/0xbe0 [ 6449.285141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6449.285141][ T10] ___sys_sendmsg+0xee/0x170 [ 6449.285141][ T10] __sys_sendmsg+0xcd/0x170 [ 6449.285141][ T10] do_syscall_64+0xc6/0x1e0 [ 6449.285141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.285141][ T10] [ 6449.287780][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6449.287780][ T10] netdev_get_by_index+0x5e/0x80 [ 6449.287780][ T10] fib6_nh_init+0x3d8/0x1580 [ 6449.287780][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6449.287780][ T10] ip6_route_add+0x1c/0x140 [ 6449.287780][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6449.287780][ T10] addrconf_add_dev+0xe2/0x170 [ 6449.287780][ T10] inet6_addr_add+0x12f/0xa40 [ 6449.287780][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6449.287780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.287780][ T10] netlink_rcv_skb+0x130/0x360 [ 6449.287780][ T10] netlink_unicast+0x449/0x710 [ 6449.287780][ T10] netlink_sendmsg+0x723/0xbe0 [ 6449.287780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6449.287780][ T10] ___sys_sendmsg+0xee/0x170 [ 6449.287780][ T10] __sys_sendmsg+0xcd/0x170 [ 6449.287780][ T10] do_syscall_64+0xc6/0x1e0 [ 6449.287780][ T10] [ 6449.290195][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6449.290195][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6449.290195][ T10] ipv6_find_idev+0x102/0x170 [ 6449.290195][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6449.290195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.290195][ T10] netlink_rcv_skb+0x130/0x360 [ 6449.290195][ T10] netlink_unicast+0x449/0x710 [ 6449.290195][ T10] netlink_sendmsg+0x723/0xbe0 [ 6449.290195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6449.290195][ T10] ___sys_sendmsg+0xee/0x170 [ 6449.290195][ T10] __sys_sendmsg+0xcd/0x170 [ 6449.290195][ T10] do_syscall_64+0xc6/0x1e0 [ 6449.290195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.290195][ T10] [ 6449.292083][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6449.292083][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6449.292083][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6449.292083][ T10] ipv6_find_idev+0x102/0x170 [ 6449.292083][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6449.292083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6449.292083][ T10] netlink_rcv_skb+0x130/0x360 [ 6449.292083][ T10] netlink_unicast+0x449/0x710 [ 6449.292083][ T10] netlink_sendmsg+0x723/0xbe0 [ 6449.292083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6449.292083][ T10] ___sys_sendmsg+0xee/0x170 [ 6449.292083][ T10] __sys_sendmsg+0xcd/0x170 [ 6449.292083][ T10] do_syscall_64+0xc6/0x1e0 [ 6449.292083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6449.292083][ T10] [ 6457.169055][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6457.169574][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6457.169574][ T1167] dst_init+0x84/0x4a0 [ 6457.169574][ T1167] dst_alloc+0x97/0x150 [ 6457.169574][ T1167] ip6_dst_alloc+0x23/0x90 [ 6457.169574][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6457.169574][ T1167] ip6_pol_route+0x56f/0x840 [ 6457.169574][ T1167] fib6_rule_lookup+0x334/0x630 [ 6457.169574][ T1167] ip6_route_output_flags+0x259/0x480 [ 6457.169574][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6457.169574][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6457.169574][ T1167] netlink_rcv_skb+0x130/0x360 [ 6457.169574][ T1167] netlink_unicast+0x449/0x710 [ 6457.169574][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6457.169574][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6457.169574][ T1167] ___sys_sendmsg+0xee/0x170 [ 6457.169574][ T1167] __sys_sendmsg+0xcd/0x170 [ 6457.169574][ T1167] do_syscall_64+0xc6/0x1e0 [ 6457.169574][ T1167] [ 6457.171999][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6457.171999][ T1167] netdev_get_by_index+0x5e/0x80 [ 6457.171999][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6457.171999][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6457.171999][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6457.171999][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6457.171999][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6457.171999][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6457.171999][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6457.171999][ T1167] addrconf_dad_begin+0x310/0x670 [ 6457.171999][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6457.171999][ T1167] process_one_work+0x84d/0x18a0 [ 6457.171999][ T1167] worker_thread+0x587/0xd30 [ 6457.171999][ T1167] kthread+0x28a/0x350 [ 6457.171999][ T1167] ret_from_fork+0x31/0x70 [ 6457.171999][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6457.171999][ T1167] [ 6457.174507][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6457.174507][ T1167] netdev_get_by_index+0x5e/0x80 [ 6457.174507][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6457.174507][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6457.174507][ T1167] ip6_route_add+0x1c/0x140 [ 6457.174507][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6457.174507][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6457.174507][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6457.174507][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6457.174507][ T1167] netlink_rcv_skb+0x130/0x360 [ 6457.174507][ T1167] netlink_unicast+0x449/0x710 [ 6457.174507][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6457.174507][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6457.174507][ T1167] ___sys_sendmsg+0xee/0x170 [ 6457.174507][ T1167] __sys_sendmsg+0xcd/0x170 [ 6457.174507][ T1167] do_syscall_64+0xc6/0x1e0 [ 6457.174507][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6457.174507][ T1167] [ 6457.177008][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6457.177008][ T1167] netdev_get_by_index+0x5e/0x80 [ 6457.177008][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6457.177008][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6457.177008][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6457.177008][ T1167] ipv6_add_addr+0x411/0x2000 [ 6457.177008][ T1167] inet6_addr_add+0x30e/0xa40 [ 6457.177008][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6457.177008][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6457.177008][ T1167] netlink_rcv_skb+0x130/0x360 [ 6457.177008][ T1167] netlink_unicast+0x449/0x710 [ 6457.177008][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6457.177008][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6457.177008][ T1167] ___sys_sendmsg+0xee/0x170 [ 6457.177008][ T1167] __sys_sendmsg+0xcd/0x170 [ 6457.177008][ T1167] do_syscall_64+0xc6/0x1e0 [ 6457.177008][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6457.177008][ T1167] [ 6457.179505][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6457.179505][ T1167] netdev_get_by_index+0x5e/0x80 [ 6457.179505][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6457.179505][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6457.179505][ T1167] ip6_route_add+0x1c/0x140 [ 6457.179505][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6457.179505][ T1167] addrconf_add_dev+0xe2/0x170 [ 6457.179505][ T1167] inet6_addr_add+0x12f/0xa40 [ 6457.179505][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6457.179505][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6457.179505][ T1167] netlink_rcv_skb+0x130/0x360 [ 6457.179505][ T1167] netlink_unicast+0x449/0x710 [ 6457.179505][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6457.179505][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6457.179505][ T1167] ___sys_sendmsg+0xee/0x170 [ 6457.179505][ T1167] __sys_sendmsg+0xcd/0x170 [ 6457.179505][ T1167] do_syscall_64+0xc6/0x1e0 [ 6457.179505][ T1167] [ 6457.181948][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6457.181948][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6457.181948][ T1167] ipv6_find_idev+0x102/0x170 [ 6457.181948][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6457.181948][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6457.181948][ T1167] netlink_rcv_skb+0x130/0x360 [ 6457.181948][ T1167] netlink_unicast+0x449/0x710 [ 6457.181948][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6457.181948][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6457.181948][ T1167] ___sys_sendmsg+0xee/0x170 [ 6457.181948][ T1167] __sys_sendmsg+0xcd/0x170 [ 6457.181948][ T1167] do_syscall_64+0xc6/0x1e0 [ 6457.181948][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6457.181948][ T1167] [ 6457.183865][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6457.183865][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6457.183865][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6457.183865][ T1167] ipv6_find_idev+0x102/0x170 [ 6457.183865][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6457.183865][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6457.183865][ T1167] netlink_rcv_skb+0x130/0x360 [ 6457.183865][ T1167] netlink_unicast+0x449/0x710 [ 6457.183865][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6457.183865][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6457.183865][ T1167] ___sys_sendmsg+0xee/0x170 [ 6457.183865][ T1167] __sys_sendmsg+0xcd/0x170 [ 6457.183865][ T1167] do_syscall_64+0xc6/0x1e0 [ 6457.183865][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6457.183865][ T1167] [ 6459.537114][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6459.537545][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6459.537545][ T10] netdev_get_by_index+0x5e/0x80 [ 6459.537545][ T10] fib6_nh_init+0x3d8/0x1580 [ 6459.537545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6459.537545][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6459.537545][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6459.537545][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6459.537545][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6459.537545][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6459.537545][ T10] addrconf_dad_begin+0x310/0x670 [ 6459.537545][ T10] addrconf_dad_work+0x10b/0xab0 [ 6459.537545][ T10] process_one_work+0x84d/0x18a0 [ 6459.537545][ T10] worker_thread+0x587/0xd30 [ 6459.537545][ T10] kthread+0x28a/0x350 [ 6459.537545][ T10] ret_from_fork+0x31/0x70 [ 6459.537545][ T10] ret_from_fork_asm+0x1a/0x30 [ 6459.537545][ T10] [ 6459.539696][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6459.539696][ T10] netdev_get_by_index+0x5e/0x80 [ 6459.539696][ T10] fib6_nh_init+0x3d8/0x1580 [ 6459.539696][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6459.539696][ T10] ip6_route_add+0x1c/0x140 [ 6459.539696][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6459.539696][ T10] inet6_addr_add+0x4f8/0xa40 [ 6459.539696][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6459.539696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.539696][ T10] netlink_rcv_skb+0x130/0x360 [ 6459.539696][ T10] netlink_unicast+0x449/0x710 [ 6459.539696][ T10] netlink_sendmsg+0x723/0xbe0 [ 6459.539696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6459.539696][ T10] ___sys_sendmsg+0xee/0x170 [ 6459.539696][ T10] __sys_sendmsg+0xcd/0x170 [ 6459.539696][ T10] do_syscall_64+0xc6/0x1e0 [ 6459.539696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.539696][ T10] [ 6459.541928][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6459.541928][ T10] netdev_get_by_index+0x5e/0x80 [ 6459.541928][ T10] fib6_nh_init+0x3d8/0x1580 [ 6459.541928][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6459.541928][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6459.541928][ T10] ipv6_add_addr+0x411/0x2000 [ 6459.541928][ T10] inet6_addr_add+0x30e/0xa40 [ 6459.541928][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6459.541928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.541928][ T10] netlink_rcv_skb+0x130/0x360 [ 6459.541928][ T10] netlink_unicast+0x449/0x710 [ 6459.541928][ T10] netlink_sendmsg+0x723/0xbe0 [ 6459.541928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6459.541928][ T10] ___sys_sendmsg+0xee/0x170 [ 6459.541928][ T10] __sys_sendmsg+0xcd/0x170 [ 6459.541928][ T10] do_syscall_64+0xc6/0x1e0 [ 6459.541928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.541928][ T10] [ 6459.544142][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6459.544142][ T10] netdev_get_by_index+0x5e/0x80 [ 6459.544142][ T10] fib6_nh_init+0x3d8/0x1580 [ 6459.544142][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6459.544142][ T10] ip6_route_add+0x1c/0x140 [ 6459.544142][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6459.544142][ T10] addrconf_add_dev+0xe2/0x170 [ 6459.544142][ T10] inet6_addr_add+0x12f/0xa40 [ 6459.544142][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6459.544142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.544142][ T10] netlink_rcv_skb+0x130/0x360 [ 6459.544142][ T10] netlink_unicast+0x449/0x710 [ 6459.544142][ T10] netlink_sendmsg+0x723/0xbe0 [ 6459.544142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6459.544142][ T10] ___sys_sendmsg+0xee/0x170 [ 6459.544142][ T10] __sys_sendmsg+0xcd/0x170 [ 6459.544142][ T10] do_syscall_64+0xc6/0x1e0 [ 6459.544142][ T10] [ 6459.546323][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6459.546323][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6459.546323][ T10] ipv6_find_idev+0x102/0x170 [ 6459.546323][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6459.546323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.546323][ T10] netlink_rcv_skb+0x130/0x360 [ 6459.546323][ T10] netlink_unicast+0x449/0x710 [ 6459.546323][ T10] netlink_sendmsg+0x723/0xbe0 [ 6459.546323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6459.546323][ T10] ___sys_sendmsg+0xee/0x170 [ 6459.546323][ T10] __sys_sendmsg+0xcd/0x170 [ 6459.546323][ T10] do_syscall_64+0xc6/0x1e0 [ 6459.546323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.546323][ T10] [ 6459.548048][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6459.548048][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6459.548048][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6459.548048][ T10] ipv6_find_idev+0x102/0x170 [ 6459.548048][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6459.548048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.548048][ T10] netlink_rcv_skb+0x130/0x360 [ 6459.548048][ T10] netlink_unicast+0x449/0x710 [ 6459.548048][ T10] netlink_sendmsg+0x723/0xbe0 [ 6459.548048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6459.548048][ T10] ___sys_sendmsg+0xee/0x170 [ 6459.548048][ T10] __sys_sendmsg+0xcd/0x170 [ 6459.548048][ T10] do_syscall_64+0xc6/0x1e0 [ 6459.548048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.548048][ T10] [ 6459.549925][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6459.550203][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6459.550203][ T10] netdev_get_by_index+0x5e/0x80 [ 6459.550203][ T10] fib6_nh_init+0x3d8/0x1580 [ 6459.550203][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6459.550203][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6459.550203][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6459.550203][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6459.550203][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6459.550203][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6459.550203][ T10] addrconf_dad_begin+0x310/0x670 [ 6459.550203][ T10] addrconf_dad_work+0x10b/0xab0 [ 6459.550203][ T10] process_one_work+0x84d/0x18a0 [ 6459.550203][ T10] worker_thread+0x587/0xd30 [ 6459.550203][ T10] kthread+0x28a/0x350 [ 6459.550203][ T10] ret_from_fork+0x31/0x70 [ 6459.550203][ T10] ret_from_fork_asm+0x1a/0x30 [ 6459.550203][ T10] [ 6459.552332][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6459.552332][ T10] netdev_get_by_index+0x5e/0x80 [ 6459.552332][ T10] fib6_nh_init+0x3d8/0x1580 [ 6459.552332][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6459.552332][ T10] ip6_route_add+0x1c/0x140 [ 6459.552332][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6459.552332][ T10] inet6_addr_add+0x4f8/0xa40 [ 6459.552332][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6459.552332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.552332][ T10] netlink_rcv_skb+0x130/0x360 [ 6459.552332][ T10] netlink_unicast+0x449/0x710 [ 6459.552332][ T10] netlink_sendmsg+0x723/0xbe0 [ 6459.552332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6459.552332][ T10] ___sys_sendmsg+0xee/0x170 [ 6459.552332][ T10] __sys_sendmsg+0xcd/0x170 [ 6459.552332][ T10] do_syscall_64+0xc6/0x1e0 [ 6459.552332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.552332][ T10] [ 6459.554576][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6459.554576][ T10] netdev_get_by_index+0x5e/0x80 [ 6459.554576][ T10] fib6_nh_init+0x3d8/0x1580 [ 6459.554576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6459.554576][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6459.554576][ T10] ipv6_add_addr+0x411/0x2000 [ 6459.554576][ T10] inet6_addr_add+0x30e/0xa40 [ 6459.554576][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6459.554576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.554576][ T10] netlink_rcv_skb+0x130/0x360 [ 6459.554576][ T10] netlink_unicast+0x449/0x710 [ 6459.554576][ T10] netlink_sendmsg+0x723/0xbe0 [ 6459.554576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6459.554576][ T10] ___sys_sendmsg+0xee/0x170 [ 6459.554576][ T10] __sys_sendmsg+0xcd/0x170 [ 6459.554576][ T10] do_syscall_64+0xc6/0x1e0 [ 6459.554576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.554576][ T10] [ 6459.556801][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6459.556801][ T10] netdev_get_by_index+0x5e/0x80 [ 6459.556801][ T10] fib6_nh_init+0x3d8/0x1580 [ 6459.556801][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6459.556801][ T10] ip6_route_add+0x1c/0x140 [ 6459.556801][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6459.556801][ T10] addrconf_add_dev+0xe2/0x170 [ 6459.556801][ T10] inet6_addr_add+0x12f/0xa40 [ 6459.556801][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6459.556801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.556801][ T10] netlink_rcv_skb+0x130/0x360 [ 6459.556801][ T10] netlink_unicast+0x449/0x710 [ 6459.556801][ T10] netlink_sendmsg+0x723/0xbe0 [ 6459.556801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6459.556801][ T10] ___sys_sendmsg+0xee/0x170 [ 6459.556801][ T10] __sys_sendmsg+0xcd/0x170 [ 6459.556801][ T10] do_syscall_64+0xc6/0x1e0 [ 6459.556801][ T10] [ 6459.558995][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6459.558995][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6459.558995][ T10] ipv6_find_idev+0x102/0x170 [ 6459.558995][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6459.558995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.558995][ T10] netlink_rcv_skb+0x130/0x360 [ 6459.558995][ T10] netlink_unicast+0x449/0x710 [ 6459.558995][ T10] netlink_sendmsg+0x723/0xbe0 [ 6459.558995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6459.558995][ T10] ___sys_sendmsg+0xee/0x170 [ 6459.558995][ T10] __sys_sendmsg+0xcd/0x170 [ 6459.558995][ T10] do_syscall_64+0xc6/0x1e0 [ 6459.558995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.558995][ T10] [ 6459.560715][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6459.560715][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6459.560715][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6459.560715][ T10] ipv6_find_idev+0x102/0x170 [ 6459.560715][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6459.560715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.560715][ T10] netlink_rcv_skb+0x130/0x360 [ 6459.560715][ T10] netlink_unicast+0x449/0x710 [ 6459.560715][ T10] netlink_sendmsg+0x723/0xbe0 [ 6459.560715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6459.560715][ T10] ___sys_sendmsg+0xee/0x170 [ 6459.560715][ T10] __sys_sendmsg+0xcd/0x170 [ 6459.560715][ T10] do_syscall_64+0xc6/0x1e0 [ 6459.560715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.560715][ T10] [ 6459.562595][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6459.562847][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6459.562847][ T10] netdev_get_by_index+0x5e/0x80 [ 6459.562847][ T10] fib6_nh_init+0x3d8/0x1580 [ 6459.562847][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6459.562847][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6459.562847][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6459.562847][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6459.562847][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6459.562847][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6459.562847][ T10] addrconf_dad_begin+0x310/0x670 [ 6459.562847][ T10] addrconf_dad_work+0x10b/0xab0 [ 6459.562847][ T10] process_one_work+0x84d/0x18a0 [ 6459.562847][ T10] worker_thread+0x587/0xd30 [ 6459.562847][ T10] kthread+0x28a/0x350 [ 6459.562847][ T10] ret_from_fork+0x31/0x70 [ 6459.562847][ T10] ret_from_fork_asm+0x1a/0x30 [ 6459.562847][ T10] [ 6459.564961][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6459.564961][ T10] netdev_get_by_index+0x5e/0x80 [ 6459.564961][ T10] fib6_nh_init+0x3d8/0x1580 [ 6459.564961][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6459.564961][ T10] ip6_route_add+0x1c/0x140 [ 6459.564961][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6459.564961][ T10] inet6_addr_add+0x4f8/0xa40 [ 6459.564961][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6459.564961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.564961][ T10] netlink_rcv_skb+0x130/0x360 [ 6459.564961][ T10] netlink_unicast+0x449/0x710 [ 6459.564961][ T10] netlink_sendmsg+0x723/0xbe0 [ 6459.564961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6459.564961][ T10] ___sys_sendmsg+0xee/0x170 [ 6459.564961][ T10] __sys_sendmsg+0xcd/0x170 [ 6459.564961][ T10] do_syscall_64+0xc6/0x1e0 [ 6459.564961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.564961][ T10] [ 6459.567377][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6459.567377][ T10] netdev_get_by_index+0x5e/0x80 [ 6459.567377][ T10] fib6_nh_init+0x3d8/0x1580 [ 6459.567377][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6459.567377][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6459.567377][ T10] ipv6_add_addr+0x411/0x2000 [ 6459.567377][ T10] inet6_addr_add+0x30e/0xa40 [ 6459.567377][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6459.567377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.567377][ T10] netlink_rcv_skb+0x130/0x360 [ 6459.567377][ T10] netlink_unicast+0x449/0x710 [ 6459.567377][ T10] netlink_sendmsg+0x723/0xbe0 [ 6459.567377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6459.567377][ T10] ___sys_sendmsg+0xee/0x170 [ 6459.567377][ T10] __sys_sendmsg+0xcd/0x170 [ 6459.567377][ T10] do_syscall_64+0xc6/0x1e0 [ 6459.567377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.567377][ T10] [ 6459.569916][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6459.569916][ T10] netdev_get_by_index+0x5e/0x80 [ 6459.569916][ T10] fib6_nh_init+0x3d8/0x1580 [ 6459.569916][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6459.569916][ T10] ip6_route_add+0x1c/0x140 [ 6459.569916][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6459.569916][ T10] addrconf_add_dev+0xe2/0x170 [ 6459.569916][ T10] inet6_addr_add+0x12f/0xa40 [ 6459.569916][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6459.569916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.569916][ T10] netlink_rcv_skb+0x130/0x360 [ 6459.569916][ T10] netlink_unicast+0x449/0x710 [ 6459.569916][ T10] netlink_sendmsg+0x723/0xbe0 [ 6459.569916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6459.569916][ T10] ___sys_sendmsg+0xee/0x170 [ 6459.569916][ T10] __sys_sendmsg+0xcd/0x170 [ 6459.569916][ T10] do_syscall_64+0xc6/0x1e0 [ 6459.569916][ T10] [ 6459.572273][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6459.572273][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6459.572273][ T10] ipv6_find_idev+0x102/0x170 [ 6459.572273][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6459.572273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.572273][ T10] netlink_rcv_skb+0x130/0x360 [ 6459.572273][ T10] netlink_unicast+0x449/0x710 [ 6459.572273][ T10] netlink_sendmsg+0x723/0xbe0 [ 6459.572273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6459.572273][ T10] ___sys_sendmsg+0xee/0x170 [ 6459.572273][ T10] __sys_sendmsg+0xcd/0x170 [ 6459.572273][ T10] do_syscall_64+0xc6/0x1e0 [ 6459.572273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.572273][ T10] [ 6459.574157][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6459.574157][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6459.574157][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6459.574157][ T10] ipv6_find_idev+0x102/0x170 [ 6459.574157][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6459.574157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.574157][ T10] netlink_rcv_skb+0x130/0x360 [ 6459.574157][ T10] netlink_unicast+0x449/0x710 [ 6459.574157][ T10] netlink_sendmsg+0x723/0xbe0 [ 6459.574157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6459.574157][ T10] ___sys_sendmsg+0xee/0x170 [ 6459.574157][ T10] __sys_sendmsg+0xcd/0x170 [ 6459.574157][ T10] do_syscall_64+0xc6/0x1e0 [ 6459.574157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.574157][ T10] [ 6459.576259][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6459.576512][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6459.576512][ T10] netdev_get_by_index+0x5e/0x80 [ 6459.576512][ T10] fib6_nh_init+0x3d8/0x1580 [ 6459.576512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6459.576512][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6459.576512][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6459.576512][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6459.576512][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6459.576512][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6459.576512][ T10] addrconf_dad_begin+0x310/0x670 [ 6459.576512][ T10] addrconf_dad_work+0x10b/0xab0 [ 6459.576512][ T10] process_one_work+0x84d/0x18a0 [ 6459.576512][ T10] worker_thread+0x587/0xd30 [ 6459.576512][ T10] kthread+0x28a/0x350 [ 6459.576512][ T10] ret_from_fork+0x31/0x70 [ 6459.576512][ T10] ret_from_fork_asm+0x1a/0x30 [ 6459.576512][ T10] [ 6459.578940][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6459.578940][ T10] netdev_get_by_index+0x5e/0x80 [ 6459.578940][ T10] fib6_nh_init+0x3d8/0x1580 [ 6459.578940][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6459.578940][ T10] ip6_route_add+0x1c/0x140 [ 6459.578940][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6459.578940][ T10] inet6_addr_add+0x4f8/0xa40 [ 6459.578940][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6459.578940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.578940][ T10] netlink_rcv_skb+0x130/0x360 [ 6459.578940][ T10] netlink_unicast+0x449/0x710 [ 6459.578940][ T10] netlink_sendmsg+0x723/0xbe0 [ 6459.578940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6459.578940][ T10] ___sys_sendmsg+0xee/0x170 [ 6459.578940][ T10] __sys_sendmsg+0xcd/0x170 [ 6459.578940][ T10] do_syscall_64+0xc6/0x1e0 [ 6459.578940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.578940][ T10] [ 6459.581328][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6459.581328][ T10] netdev_get_by_index+0x5e/0x80 [ 6459.581328][ T10] fib6_nh_init+0x3d8/0x1580 [ 6459.581328][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6459.581328][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6459.581328][ T10] ipv6_add_addr+0x411/0x2000 [ 6459.581328][ T10] inet6_addr_add+0x30e/0xa40 [ 6459.581328][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6459.581328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.581328][ T10] netlink_rcv_skb+0x130/0x360 [ 6459.581328][ T10] netlink_unicast+0x449/0x710 [ 6459.581328][ T10] netlink_sendmsg+0x723/0xbe0 [ 6459.581328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6459.581328][ T10] ___sys_sendmsg+0xee/0x170 [ 6459.581328][ T10] __sys_sendmsg+0xcd/0x170 [ 6459.581328][ T10] do_syscall_64+0xc6/0x1e0 [ 6459.581328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.581328][ T10] [ 6459.583829][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6459.583829][ T10] netdev_get_by_index+0x5e/0x80 [ 6459.583829][ T10] fib6_nh_init+0x3d8/0x1580 [ 6459.583829][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6459.583829][ T10] ip6_route_add+0x1c/0x140 [ 6459.583829][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6459.583829][ T10] addrconf_add_dev+0xe2/0x170 [ 6459.583829][ T10] inet6_addr_add+0x12f/0xa40 [ 6459.583829][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6459.583829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.583829][ T10] netlink_rcv_skb+0x130/0x360 [ 6459.583829][ T10] netlink_unicast+0x449/0x710 [ 6459.583829][ T10] netlink_sendmsg+0x723/0xbe0 [ 6459.583829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6459.583829][ T10] ___sys_sendmsg+0xee/0x170 [ 6459.583829][ T10] __sys_sendmsg+0xcd/0x170 [ 6459.583829][ T10] do_syscall_64+0xc6/0x1e0 [ 6459.583829][ T10] [ 6459.586248][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6459.586248][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6459.586248][ T10] ipv6_find_idev+0x102/0x170 [ 6459.586248][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6459.586248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.586248][ T10] netlink_rcv_skb+0x130/0x360 [ 6459.586248][ T10] netlink_unicast+0x449/0x710 [ 6459.586248][ T10] netlink_sendmsg+0x723/0xbe0 [ 6459.586248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6459.586248][ T10] ___sys_sendmsg+0xee/0x170 [ 6459.586248][ T10] __sys_sendmsg+0xcd/0x170 [ 6459.586248][ T10] do_syscall_64+0xc6/0x1e0 [ 6459.586248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.586248][ T10] [ 6459.588140][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6459.588140][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6459.588140][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6459.588140][ T10] ipv6_find_idev+0x102/0x170 [ 6459.588140][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6459.588140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6459.588140][ T10] netlink_rcv_skb+0x130/0x360 [ 6459.588140][ T10] netlink_unicast+0x449/0x710 [ 6459.588140][ T10] netlink_sendmsg+0x723/0xbe0 [ 6459.588140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6459.588140][ T10] ___sys_sendmsg+0xee/0x170 [ 6459.588140][ T10] __sys_sendmsg+0xcd/0x170 [ 6459.588140][ T10] do_syscall_64+0xc6/0x1e0 [ 6459.588140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6459.588140][ T10] [ 6467.425036][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6467.425528][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6467.425528][ T1167] dst_init+0x84/0x4a0 [ 6467.425528][ T1167] dst_alloc+0x97/0x150 [ 6467.425528][ T1167] ip6_dst_alloc+0x23/0x90 [ 6467.425528][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6467.425528][ T1167] ip6_pol_route+0x56f/0x840 [ 6467.425528][ T1167] fib6_rule_lookup+0x334/0x630 [ 6467.425528][ T1167] ip6_route_output_flags+0x259/0x480 [ 6467.425528][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6467.425528][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6467.425528][ T1167] netlink_rcv_skb+0x130/0x360 [ 6467.425528][ T1167] netlink_unicast+0x449/0x710 [ 6467.425528][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6467.425528][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6467.425528][ T1167] ___sys_sendmsg+0xee/0x170 [ 6467.425528][ T1167] __sys_sendmsg+0xcd/0x170 [ 6467.425528][ T1167] do_syscall_64+0xc6/0x1e0 [ 6467.425528][ T1167] [ 6467.427942][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6467.427942][ T1167] netdev_get_by_index+0x5e/0x80 [ 6467.427942][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6467.427942][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6467.427942][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6467.427942][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6467.427942][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6467.427942][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6467.427942][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6467.427942][ T1167] addrconf_dad_begin+0x310/0x670 [ 6467.427942][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6467.427942][ T1167] process_one_work+0x84d/0x18a0 [ 6467.427942][ T1167] worker_thread+0x587/0xd30 [ 6467.427942][ T1167] kthread+0x28a/0x350 [ 6467.427942][ T1167] ret_from_fork+0x31/0x70 [ 6467.427942][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6467.427942][ T1167] [ 6467.430314][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6467.430314][ T1167] netdev_get_by_index+0x5e/0x80 [ 6467.430314][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6467.430314][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6467.430314][ T1167] ip6_route_add+0x1c/0x140 [ 6467.430314][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6467.430314][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6467.430314][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6467.430314][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6467.430314][ T1167] netlink_rcv_skb+0x130/0x360 [ 6467.430314][ T1167] netlink_unicast+0x449/0x710 [ 6467.430314][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6467.430314][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6467.430314][ T1167] ___sys_sendmsg+0xee/0x170 [ 6467.430314][ T1167] __sys_sendmsg+0xcd/0x170 [ 6467.430314][ T1167] do_syscall_64+0xc6/0x1e0 [ 6467.430314][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6467.430314][ T1167] [ 6467.432736][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6467.432736][ T1167] netdev_get_by_index+0x5e/0x80 [ 6467.432736][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6467.432736][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6467.432736][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6467.432736][ T1167] ipv6_add_addr+0x411/0x2000 [ 6467.432736][ T1167] inet6_addr_add+0x30e/0xa40 [ 6467.432736][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6467.432736][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6467.432736][ T1167] netlink_rcv_skb+0x130/0x360 [ 6467.432736][ T1167] netlink_unicast+0x449/0x710 [ 6467.432736][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6467.432736][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6467.432736][ T1167] ___sys_sendmsg+0xee/0x170 [ 6467.432736][ T1167] __sys_sendmsg+0xcd/0x170 [ 6467.432736][ T1167] do_syscall_64+0xc6/0x1e0 [ 6467.432736][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6467.432736][ T1167] [ 6467.435240][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6467.435240][ T1167] netdev_get_by_index+0x5e/0x80 [ 6467.435240][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6467.435240][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6467.435240][ T1167] ip6_route_add+0x1c/0x140 [ 6467.435240][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6467.435240][ T1167] addrconf_add_dev+0xe2/0x170 [ 6467.435240][ T1167] inet6_addr_add+0x12f/0xa40 [ 6467.435240][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6467.435240][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6467.435240][ T1167] netlink_rcv_skb+0x130/0x360 [ 6467.435240][ T1167] netlink_unicast+0x449/0x710 [ 6467.435240][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6467.435240][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6467.435240][ T1167] ___sys_sendmsg+0xee/0x170 [ 6467.435240][ T1167] __sys_sendmsg+0xcd/0x170 [ 6467.435240][ T1167] do_syscall_64+0xc6/0x1e0 [ 6467.435240][ T1167] [ 6467.437697][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6467.437697][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6467.437697][ T1167] ipv6_find_idev+0x102/0x170 [ 6467.437697][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6467.437697][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6467.437697][ T1167] netlink_rcv_skb+0x130/0x360 [ 6467.437697][ T1167] netlink_unicast+0x449/0x710 [ 6467.437697][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6467.437697][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6467.437697][ T1167] ___sys_sendmsg+0xee/0x170 [ 6467.437697][ T1167] __sys_sendmsg+0xcd/0x170 [ 6467.437697][ T1167] do_syscall_64+0xc6/0x1e0 [ 6467.437697][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6467.437697][ T1167] [ 6467.439622][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6467.439622][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6467.439622][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6467.439622][ T1167] ipv6_find_idev+0x102/0x170 [ 6467.439622][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6467.439622][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6467.439622][ T1167] netlink_rcv_skb+0x130/0x360 [ 6467.439622][ T1167] netlink_unicast+0x449/0x710 [ 6467.439622][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6467.439622][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6467.439622][ T1167] ___sys_sendmsg+0xee/0x170 [ 6467.439622][ T1167] __sys_sendmsg+0xcd/0x170 [ 6467.439622][ T1167] do_syscall_64+0xc6/0x1e0 [ 6467.439622][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6467.439622][ T1167] [ 6469.833108][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6469.833521][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6469.833521][ T10] netdev_get_by_index+0x5e/0x80 [ 6469.833521][ T10] fib6_nh_init+0x3d8/0x1580 [ 6469.833521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6469.833521][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6469.833521][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6469.833521][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6469.833521][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6469.833521][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6469.833521][ T10] addrconf_dad_begin+0x310/0x670 [ 6469.833521][ T10] addrconf_dad_work+0x10b/0xab0 [ 6469.833521][ T10] process_one_work+0x84d/0x18a0 [ 6469.833521][ T10] worker_thread+0x587/0xd30 [ 6469.833521][ T10] kthread+0x28a/0x350 [ 6469.833521][ T10] ret_from_fork+0x31/0x70 [ 6469.833521][ T10] ret_from_fork_asm+0x1a/0x30 [ 6469.833521][ T10] [ 6469.835668][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6469.835668][ T10] netdev_get_by_index+0x5e/0x80 [ 6469.835668][ T10] fib6_nh_init+0x3d8/0x1580 [ 6469.835668][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6469.835668][ T10] ip6_route_add+0x1c/0x140 [ 6469.835668][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6469.835668][ T10] inet6_addr_add+0x4f8/0xa40 [ 6469.835668][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6469.835668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.835668][ T10] netlink_rcv_skb+0x130/0x360 [ 6469.835668][ T10] netlink_unicast+0x449/0x710 [ 6469.835668][ T10] netlink_sendmsg+0x723/0xbe0 [ 6469.835668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6469.835668][ T10] ___sys_sendmsg+0xee/0x170 [ 6469.835668][ T10] __sys_sendmsg+0xcd/0x170 [ 6469.835668][ T10] do_syscall_64+0xc6/0x1e0 [ 6469.835668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.835668][ T10] [ 6469.837905][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6469.837905][ T10] netdev_get_by_index+0x5e/0x80 [ 6469.837905][ T10] fib6_nh_init+0x3d8/0x1580 [ 6469.837905][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6469.837905][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6469.837905][ T10] ipv6_add_addr+0x411/0x2000 [ 6469.837905][ T10] inet6_addr_add+0x30e/0xa40 [ 6469.837905][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6469.837905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.837905][ T10] netlink_rcv_skb+0x130/0x360 [ 6469.837905][ T10] netlink_unicast+0x449/0x710 [ 6469.837905][ T10] netlink_sendmsg+0x723/0xbe0 [ 6469.837905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6469.837905][ T10] ___sys_sendmsg+0xee/0x170 [ 6469.837905][ T10] __sys_sendmsg+0xcd/0x170 [ 6469.837905][ T10] do_syscall_64+0xc6/0x1e0 [ 6469.837905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.837905][ T10] [ 6469.840131][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6469.840131][ T10] netdev_get_by_index+0x5e/0x80 [ 6469.840131][ T10] fib6_nh_init+0x3d8/0x1580 [ 6469.840131][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6469.840131][ T10] ip6_route_add+0x1c/0x140 [ 6469.840131][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6469.840131][ T10] addrconf_add_dev+0xe2/0x170 [ 6469.840131][ T10] inet6_addr_add+0x12f/0xa40 [ 6469.840131][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6469.840131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.840131][ T10] netlink_rcv_skb+0x130/0x360 [ 6469.840131][ T10] netlink_unicast+0x449/0x710 [ 6469.840131][ T10] netlink_sendmsg+0x723/0xbe0 [ 6469.840131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6469.840131][ T10] ___sys_sendmsg+0xee/0x170 [ 6469.840131][ T10] __sys_sendmsg+0xcd/0x170 [ 6469.840131][ T10] do_syscall_64+0xc6/0x1e0 [ 6469.840131][ T10] [ 6469.842293][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6469.842293][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6469.842293][ T10] ipv6_find_idev+0x102/0x170 [ 6469.842293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6469.842293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.842293][ T10] netlink_rcv_skb+0x130/0x360 [ 6469.842293][ T10] netlink_unicast+0x449/0x710 [ 6469.842293][ T10] netlink_sendmsg+0x723/0xbe0 [ 6469.842293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6469.842293][ T10] ___sys_sendmsg+0xee/0x170 [ 6469.842293][ T10] __sys_sendmsg+0xcd/0x170 [ 6469.842293][ T10] do_syscall_64+0xc6/0x1e0 [ 6469.842293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.842293][ T10] [ 6469.843993][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6469.843993][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6469.843993][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6469.843993][ T10] ipv6_find_idev+0x102/0x170 [ 6469.843993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6469.843993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.843993][ T10] netlink_rcv_skb+0x130/0x360 [ 6469.843993][ T10] netlink_unicast+0x449/0x710 [ 6469.843993][ T10] netlink_sendmsg+0x723/0xbe0 [ 6469.843993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6469.843993][ T10] ___sys_sendmsg+0xee/0x170 [ 6469.843993][ T10] __sys_sendmsg+0xcd/0x170 [ 6469.843993][ T10] do_syscall_64+0xc6/0x1e0 [ 6469.843993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.843993][ T10] [ 6469.845859][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6469.846131][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6469.846131][ T10] netdev_get_by_index+0x5e/0x80 [ 6469.846131][ T10] fib6_nh_init+0x3d8/0x1580 [ 6469.846131][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6469.846131][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6469.846131][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6469.846131][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6469.846131][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6469.846131][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6469.846131][ T10] addrconf_dad_begin+0x310/0x670 [ 6469.846131][ T10] addrconf_dad_work+0x10b/0xab0 [ 6469.846131][ T10] process_one_work+0x84d/0x18a0 [ 6469.846131][ T10] worker_thread+0x587/0xd30 [ 6469.846131][ T10] kthread+0x28a/0x350 [ 6469.846131][ T10] ret_from_fork+0x31/0x70 [ 6469.846131][ T10] ret_from_fork_asm+0x1a/0x30 [ 6469.846131][ T10] [ 6469.848249][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6469.848249][ T10] netdev_get_by_index+0x5e/0x80 [ 6469.848249][ T10] fib6_nh_init+0x3d8/0x1580 [ 6469.848249][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6469.848249][ T10] ip6_route_add+0x1c/0x140 [ 6469.848249][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6469.848249][ T10] inet6_addr_add+0x4f8/0xa40 [ 6469.848249][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6469.848249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.848249][ T10] netlink_rcv_skb+0x130/0x360 [ 6469.848249][ T10] netlink_unicast+0x449/0x710 [ 6469.848249][ T10] netlink_sendmsg+0x723/0xbe0 [ 6469.848249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6469.848249][ T10] ___sys_sendmsg+0xee/0x170 [ 6469.848249][ T10] __sys_sendmsg+0xcd/0x170 [ 6469.848249][ T10] do_syscall_64+0xc6/0x1e0 [ 6469.848249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.848249][ T10] [ 6469.850467][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6469.850467][ T10] netdev_get_by_index+0x5e/0x80 [ 6469.850467][ T10] fib6_nh_init+0x3d8/0x1580 [ 6469.850467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6469.850467][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6469.850467][ T10] ipv6_add_addr+0x411/0x2000 [ 6469.850467][ T10] inet6_addr_add+0x30e/0xa40 [ 6469.850467][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6469.850467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.850467][ T10] netlink_rcv_skb+0x130/0x360 [ 6469.850467][ T10] netlink_unicast+0x449/0x710 [ 6469.850467][ T10] netlink_sendmsg+0x723/0xbe0 [ 6469.850467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6469.850467][ T10] ___sys_sendmsg+0xee/0x170 [ 6469.850467][ T10] __sys_sendmsg+0xcd/0x170 [ 6469.850467][ T10] do_syscall_64+0xc6/0x1e0 [ 6469.850467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.850467][ T10] [ 6469.852708][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6469.852708][ T10] netdev_get_by_index+0x5e/0x80 [ 6469.852708][ T10] fib6_nh_init+0x3d8/0x1580 [ 6469.852708][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6469.852708][ T10] ip6_route_add+0x1c/0x140 [ 6469.852708][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6469.852708][ T10] addrconf_add_dev+0xe2/0x170 [ 6469.852708][ T10] inet6_addr_add+0x12f/0xa40 [ 6469.852708][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6469.852708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.852708][ T10] netlink_rcv_skb+0x130/0x360 [ 6469.852708][ T10] netlink_unicast+0x449/0x710 [ 6469.852708][ T10] netlink_sendmsg+0x723/0xbe0 [ 6469.852708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6469.852708][ T10] ___sys_sendmsg+0xee/0x170 [ 6469.852708][ T10] __sys_sendmsg+0xcd/0x170 [ 6469.852708][ T10] do_syscall_64+0xc6/0x1e0 [ 6469.852708][ T10] [ 6469.854880][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6469.854880][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6469.854880][ T10] ipv6_find_idev+0x102/0x170 [ 6469.854880][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6469.854880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.854880][ T10] netlink_rcv_skb+0x130/0x360 [ 6469.854880][ T10] netlink_unicast+0x449/0x710 [ 6469.854880][ T10] netlink_sendmsg+0x723/0xbe0 [ 6469.854880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6469.854880][ T10] ___sys_sendmsg+0xee/0x170 [ 6469.854880][ T10] __sys_sendmsg+0xcd/0x170 [ 6469.854880][ T10] do_syscall_64+0xc6/0x1e0 [ 6469.854880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.854880][ T10] [ 6469.856579][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6469.856579][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6469.856579][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6469.856579][ T10] ipv6_find_idev+0x102/0x170 [ 6469.856579][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6469.856579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.856579][ T10] netlink_rcv_skb+0x130/0x360 [ 6469.856579][ T10] netlink_unicast+0x449/0x710 [ 6469.856579][ T10] netlink_sendmsg+0x723/0xbe0 [ 6469.856579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6469.856579][ T10] ___sys_sendmsg+0xee/0x170 [ 6469.856579][ T10] __sys_sendmsg+0xcd/0x170 [ 6469.856579][ T10] do_syscall_64+0xc6/0x1e0 [ 6469.856579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.856579][ T10] [ 6469.858451][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6469.858708][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6469.858708][ T10] netdev_get_by_index+0x5e/0x80 [ 6469.858708][ T10] fib6_nh_init+0x3d8/0x1580 [ 6469.858708][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6469.858708][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6469.858708][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6469.858708][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6469.858708][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6469.858708][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6469.858708][ T10] addrconf_dad_begin+0x310/0x670 [ 6469.858708][ T10] addrconf_dad_work+0x10b/0xab0 [ 6469.858708][ T10] process_one_work+0x84d/0x18a0 [ 6469.858708][ T10] worker_thread+0x587/0xd30 [ 6469.858708][ T10] kthread+0x28a/0x350 [ 6469.858708][ T10] ret_from_fork+0x31/0x70 [ 6469.858708][ T10] ret_from_fork_asm+0x1a/0x30 [ 6469.858708][ T10] [ 6469.860821][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6469.860821][ T10] netdev_get_by_index+0x5e/0x80 [ 6469.860821][ T10] fib6_nh_init+0x3d8/0x1580 [ 6469.860821][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6469.860821][ T10] ip6_route_add+0x1c/0x140 [ 6469.860821][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6469.860821][ T10] inet6_addr_add+0x4f8/0xa40 [ 6469.860821][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6469.860821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.860821][ T10] netlink_rcv_skb+0x130/0x360 [ 6469.860821][ T10] netlink_unicast+0x449/0x710 [ 6469.860821][ T10] netlink_sendmsg+0x723/0xbe0 [ 6469.860821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6469.860821][ T10] ___sys_sendmsg+0xee/0x170 [ 6469.860821][ T10] __sys_sendmsg+0xcd/0x170 [ 6469.860821][ T10] do_syscall_64+0xc6/0x1e0 [ 6469.860821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.860821][ T10] [ 6469.863218][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6469.863218][ T10] netdev_get_by_index+0x5e/0x80 [ 6469.863218][ T10] fib6_nh_init+0x3d8/0x1580 [ 6469.863218][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6469.863218][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6469.863218][ T10] ipv6_add_addr+0x411/0x2000 [ 6469.863218][ T10] inet6_addr_add+0x30e/0xa40 [ 6469.863218][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6469.863218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.863218][ T10] netlink_rcv_skb+0x130/0x360 [ 6469.863218][ T10] netlink_unicast+0x449/0x710 [ 6469.863218][ T10] netlink_sendmsg+0x723/0xbe0 [ 6469.863218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6469.863218][ T10] ___sys_sendmsg+0xee/0x170 [ 6469.863218][ T10] __sys_sendmsg+0xcd/0x170 [ 6469.863218][ T10] do_syscall_64+0xc6/0x1e0 [ 6469.863218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.863218][ T10] [ 6469.865731][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6469.865731][ T10] netdev_get_by_index+0x5e/0x80 [ 6469.865731][ T10] fib6_nh_init+0x3d8/0x1580 [ 6469.865731][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6469.865731][ T10] ip6_route_add+0x1c/0x140 [ 6469.865731][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6469.865731][ T10] addrconf_add_dev+0xe2/0x170 [ 6469.865731][ T10] inet6_addr_add+0x12f/0xa40 [ 6469.865731][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6469.865731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.865731][ T10] netlink_rcv_skb+0x130/0x360 [ 6469.865731][ T10] netlink_unicast+0x449/0x710 [ 6469.865731][ T10] netlink_sendmsg+0x723/0xbe0 [ 6469.865731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6469.865731][ T10] ___sys_sendmsg+0xee/0x170 [ 6469.865731][ T10] __sys_sendmsg+0xcd/0x170 [ 6469.865731][ T10] do_syscall_64+0xc6/0x1e0 [ 6469.865731][ T10] [ 6469.868112][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6469.868112][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6469.868112][ T10] ipv6_find_idev+0x102/0x170 [ 6469.868112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6469.868112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.868112][ T10] netlink_rcv_skb+0x130/0x360 [ 6469.868112][ T10] netlink_unicast+0x449/0x710 [ 6469.868112][ T10] netlink_sendmsg+0x723/0xbe0 [ 6469.868112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6469.868112][ T10] ___sys_sendmsg+0xee/0x170 [ 6469.868112][ T10] __sys_sendmsg+0xcd/0x170 [ 6469.868112][ T10] do_syscall_64+0xc6/0x1e0 [ 6469.868112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.868112][ T10] [ 6469.870004][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6469.870004][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6469.870004][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6469.870004][ T10] ipv6_find_idev+0x102/0x170 [ 6469.870004][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6469.870004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.870004][ T10] netlink_rcv_skb+0x130/0x360 [ 6469.870004][ T10] netlink_unicast+0x449/0x710 [ 6469.870004][ T10] netlink_sendmsg+0x723/0xbe0 [ 6469.870004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6469.870004][ T10] ___sys_sendmsg+0xee/0x170 [ 6469.870004][ T10] __sys_sendmsg+0xcd/0x170 [ 6469.870004][ T10] do_syscall_64+0xc6/0x1e0 [ 6469.870004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.870004][ T10] [ 6469.872119][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6469.872377][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6469.872377][ T10] netdev_get_by_index+0x5e/0x80 [ 6469.872377][ T10] fib6_nh_init+0x3d8/0x1580 [ 6469.872377][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6469.872377][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6469.872377][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6469.872377][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6469.872377][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6469.872377][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6469.872377][ T10] addrconf_dad_begin+0x310/0x670 [ 6469.872377][ T10] addrconf_dad_work+0x10b/0xab0 [ 6469.872377][ T10] process_one_work+0x84d/0x18a0 [ 6469.872377][ T10] worker_thread+0x587/0xd30 [ 6469.872377][ T10] kthread+0x28a/0x350 [ 6469.872377][ T10] ret_from_fork+0x31/0x70 [ 6469.872377][ T10] ret_from_fork_asm+0x1a/0x30 [ 6469.872377][ T10] [ 6469.874802][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6469.874802][ T10] netdev_get_by_index+0x5e/0x80 [ 6469.874802][ T10] fib6_nh_init+0x3d8/0x1580 [ 6469.874802][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6469.874802][ T10] ip6_route_add+0x1c/0x140 [ 6469.874802][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6469.874802][ T10] inet6_addr_add+0x4f8/0xa40 [ 6469.874802][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6469.874802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.874802][ T10] netlink_rcv_skb+0x130/0x360 [ 6469.874802][ T10] netlink_unicast+0x449/0x710 [ 6469.874802][ T10] netlink_sendmsg+0x723/0xbe0 [ 6469.874802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6469.874802][ T10] ___sys_sendmsg+0xee/0x170 [ 6469.874802][ T10] __sys_sendmsg+0xcd/0x170 [ 6469.874802][ T10] do_syscall_64+0xc6/0x1e0 [ 6469.874802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.874802][ T10] [ 6469.877206][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6469.877206][ T10] netdev_get_by_index+0x5e/0x80 [ 6469.877206][ T10] fib6_nh_init+0x3d8/0x1580 [ 6469.877206][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6469.877206][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6469.877206][ T10] ipv6_add_addr+0x411/0x2000 [ 6469.877206][ T10] inet6_addr_add+0x30e/0xa40 [ 6469.877206][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6469.877206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.877206][ T10] netlink_rcv_skb+0x130/0x360 [ 6469.877206][ T10] netlink_unicast+0x449/0x710 [ 6469.877206][ T10] netlink_sendmsg+0x723/0xbe0 [ 6469.877206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6469.877206][ T10] ___sys_sendmsg+0xee/0x170 [ 6469.877206][ T10] __sys_sendmsg+0xcd/0x170 [ 6469.877206][ T10] do_syscall_64+0xc6/0x1e0 [ 6469.877206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.877206][ T10] [ 6469.879654][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6469.879654][ T10] netdev_get_by_index+0x5e/0x80 [ 6469.879654][ T10] fib6_nh_init+0x3d8/0x1580 [ 6469.879654][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6469.879654][ T10] ip6_route_add+0x1c/0x140 [ 6469.879654][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6469.879654][ T10] addrconf_add_dev+0xe2/0x170 [ 6469.879654][ T10] inet6_addr_add+0x12f/0xa40 [ 6469.879654][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6469.879654][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.879654][ T10] netlink_rcv_skb+0x130/0x360 [ 6469.879654][ T10] netlink_unicast+0x449/0x710 [ 6469.879654][ T10] netlink_sendmsg+0x723/0xbe0 [ 6469.879654][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6469.879654][ T10] ___sys_sendmsg+0xee/0x170 [ 6469.879654][ T10] __sys_sendmsg+0xcd/0x170 [ 6469.879654][ T10] do_syscall_64+0xc6/0x1e0 [ 6469.879654][ T10] [ 6469.882064][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6469.882064][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6469.882064][ T10] ipv6_find_idev+0x102/0x170 [ 6469.882064][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6469.882064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.882064][ T10] netlink_rcv_skb+0x130/0x360 [ 6469.882064][ T10] netlink_unicast+0x449/0x710 [ 6469.882064][ T10] netlink_sendmsg+0x723/0xbe0 [ 6469.882064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6469.882064][ T10] ___sys_sendmsg+0xee/0x170 [ 6469.882064][ T10] __sys_sendmsg+0xcd/0x170 [ 6469.882064][ T10] do_syscall_64+0xc6/0x1e0 [ 6469.882064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.882064][ T10] [ 6469.883946][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6469.883946][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6469.883946][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6469.883946][ T10] ipv6_find_idev+0x102/0x170 [ 6469.883946][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6469.883946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6469.883946][ T10] netlink_rcv_skb+0x130/0x360 [ 6469.883946][ T10] netlink_unicast+0x449/0x710 [ 6469.883946][ T10] netlink_sendmsg+0x723/0xbe0 [ 6469.883946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6469.883946][ T10] ___sys_sendmsg+0xee/0x170 [ 6469.883946][ T10] __sys_sendmsg+0xcd/0x170 [ 6469.883946][ T10] do_syscall_64+0xc6/0x1e0 [ 6469.883946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6469.883946][ T10] [ 6477.681037][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6477.681546][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6477.681546][ T1167] dst_init+0x84/0x4a0 [ 6477.681546][ T1167] dst_alloc+0x97/0x150 [ 6477.681546][ T1167] ip6_dst_alloc+0x23/0x90 [ 6477.681546][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6477.681546][ T1167] ip6_pol_route+0x56f/0x840 [ 6477.681546][ T1167] fib6_rule_lookup+0x334/0x630 [ 6477.681546][ T1167] ip6_route_output_flags+0x259/0x480 [ 6477.681546][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6477.681546][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6477.681546][ T1167] netlink_rcv_skb+0x130/0x360 [ 6477.681546][ T1167] netlink_unicast+0x449/0x710 [ 6477.681546][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6477.681546][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6477.681546][ T1167] ___sys_sendmsg+0xee/0x170 [ 6477.681546][ T1167] __sys_sendmsg+0xcd/0x170 [ 6477.681546][ T1167] do_syscall_64+0xc6/0x1e0 [ 6477.681546][ T1167] [ 6477.683973][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6477.683973][ T1167] netdev_get_by_index+0x5e/0x80 [ 6477.683973][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6477.683973][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6477.683973][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6477.683973][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6477.683973][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6477.683973][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6477.683973][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6477.683973][ T1167] addrconf_dad_begin+0x310/0x670 [ 6477.683973][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6477.683973][ T1167] process_one_work+0x84d/0x18a0 [ 6477.683973][ T1167] worker_thread+0x587/0xd30 [ 6477.683973][ T1167] kthread+0x28a/0x350 [ 6477.683973][ T1167] ret_from_fork+0x31/0x70 [ 6477.683973][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6477.683973][ T1167] [ 6477.686342][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6477.686342][ T1167] netdev_get_by_index+0x5e/0x80 [ 6477.686342][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6477.686342][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6477.686342][ T1167] ip6_route_add+0x1c/0x140 [ 6477.686342][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6477.686342][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6477.686342][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6477.686342][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6477.686342][ T1167] netlink_rcv_skb+0x130/0x360 [ 6477.686342][ T1167] netlink_unicast+0x449/0x710 [ 6477.686342][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6477.686342][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6477.686342][ T1167] ___sys_sendmsg+0xee/0x170 [ 6477.686342][ T1167] __sys_sendmsg+0xcd/0x170 [ 6477.686342][ T1167] do_syscall_64+0xc6/0x1e0 [ 6477.686342][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6477.686342][ T1167] [ 6477.688831][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6477.688831][ T1167] netdev_get_by_index+0x5e/0x80 [ 6477.688831][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6477.688831][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6477.688831][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6477.688831][ T1167] ipv6_add_addr+0x411/0x2000 [ 6477.688831][ T1167] inet6_addr_add+0x30e/0xa40 [ 6477.688831][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6477.688831][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6477.688831][ T1167] netlink_rcv_skb+0x130/0x360 [ 6477.688831][ T1167] netlink_unicast+0x449/0x710 [ 6477.688831][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6477.688831][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6477.688831][ T1167] ___sys_sendmsg+0xee/0x170 [ 6477.688831][ T1167] __sys_sendmsg+0xcd/0x170 [ 6477.688831][ T1167] do_syscall_64+0xc6/0x1e0 [ 6477.688831][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6477.688831][ T1167] [ 6477.691306][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6477.691306][ T1167] netdev_get_by_index+0x5e/0x80 [ 6477.691306][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6477.691306][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6477.691306][ T1167] ip6_route_add+0x1c/0x140 [ 6477.691306][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6477.691306][ T1167] addrconf_add_dev+0xe2/0x170 [ 6477.691306][ T1167] inet6_addr_add+0x12f/0xa40 [ 6477.691306][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6477.691306][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6477.691306][ T1167] netlink_rcv_skb+0x130/0x360 [ 6477.691306][ T1167] netlink_unicast+0x449/0x710 [ 6477.691306][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6477.691306][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6477.691306][ T1167] ___sys_sendmsg+0xee/0x170 [ 6477.691306][ T1167] __sys_sendmsg+0xcd/0x170 [ 6477.691306][ T1167] do_syscall_64+0xc6/0x1e0 [ 6477.691306][ T1167] [ 6477.693734][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6477.693734][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6477.693734][ T1167] ipv6_find_idev+0x102/0x170 [ 6477.693734][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6477.693734][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6477.693734][ T1167] netlink_rcv_skb+0x130/0x360 [ 6477.693734][ T1167] netlink_unicast+0x449/0x710 [ 6477.693734][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6477.693734][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6477.693734][ T1167] ___sys_sendmsg+0xee/0x170 [ 6477.693734][ T1167] __sys_sendmsg+0xcd/0x170 [ 6477.693734][ T1167] do_syscall_64+0xc6/0x1e0 [ 6477.693734][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6477.693734][ T1167] [ 6477.695629][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6477.695629][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6477.695629][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6477.695629][ T1167] ipv6_find_idev+0x102/0x170 [ 6477.695629][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6477.695629][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6477.695629][ T1167] netlink_rcv_skb+0x130/0x360 [ 6477.695629][ T1167] netlink_unicast+0x449/0x710 [ 6477.695629][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6477.695629][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6477.695629][ T1167] ___sys_sendmsg+0xee/0x170 [ 6477.695629][ T1167] __sys_sendmsg+0xcd/0x170 [ 6477.695629][ T1167] do_syscall_64+0xc6/0x1e0 [ 6477.695629][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6477.695629][ T1167] [ 6480.129121][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6480.129552][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6480.129552][ T10] netdev_get_by_index+0x5e/0x80 [ 6480.129552][ T10] fib6_nh_init+0x3d8/0x1580 [ 6480.129552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6480.129552][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6480.129552][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6480.129552][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6480.129552][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6480.129552][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6480.129552][ T10] addrconf_dad_begin+0x310/0x670 [ 6480.129552][ T10] addrconf_dad_work+0x10b/0xab0 [ 6480.129552][ T10] process_one_work+0x84d/0x18a0 [ 6480.129552][ T10] worker_thread+0x587/0xd30 [ 6480.129552][ T10] kthread+0x28a/0x350 [ 6480.129552][ T10] ret_from_fork+0x31/0x70 [ 6480.129552][ T10] ret_from_fork_asm+0x1a/0x30 [ 6480.129552][ T10] [ 6480.131685][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6480.131685][ T10] netdev_get_by_index+0x5e/0x80 [ 6480.131685][ T10] fib6_nh_init+0x3d8/0x1580 [ 6480.131685][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6480.131685][ T10] ip6_route_add+0x1c/0x140 [ 6480.131685][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6480.131685][ T10] inet6_addr_add+0x4f8/0xa40 [ 6480.131685][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6480.131685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6480.131685][ T10] netlink_rcv_skb+0x130/0x360 [ 6480.131685][ T10] netlink_unicast+0x449/0x710 [ 6480.131685][ T10] netlink_sendmsg+0x723/0xbe0 [ 6480.131685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6480.131685][ T10] ___sys_sendmsg+0xee/0x170 [ 6480.131685][ T10] __sys_sendmsg+0xcd/0x170 [ 6480.131685][ T10] do_syscall_64+0xc6/0x1e0 [ 6480.131685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6480.131685][ T10] [ 6480.133897][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6480.133897][ T10] netdev_get_by_index+0x5e/0x80 [ 6480.133897][ T10] fib6_nh_init+0x3d8/0x1580 [ 6480.133897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6480.133897][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6480.133897][ T10] ipv6_add_addr+0x411/0x2000 [ 6480.133897][ T10] inet6_addr_add+0x30e/0xa40 [ 6480.133897][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6480.133897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6480.133897][ T10] netlink_rcv_skb+0x130/0x360 [ 6480.133897][ T10] netlink_unicast+0x449/0x710 [ 6480.133897][ T10] netlink_sendmsg+0x723/0xbe0 [ 6480.133897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6480.133897][ T10] ___sys_sendmsg+0xee/0x170 [ 6480.133897][ T10] __sys_sendmsg+0xcd/0x170 [ 6480.133897][ T10] do_syscall_64+0xc6/0x1e0 [ 6480.133897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6480.133897][ T10] [ 6480.136114][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6480.136114][ T10] netdev_get_by_index+0x5e/0x80 [ 6480.136114][ T10] fib6_nh_init+0x3d8/0x1580 [ 6480.136114][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6480.136114][ T10] ip6_route_add+0x1c/0x140 [ 6480.136114][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6480.136114][ T10] addrconf_add_dev+0xe2/0x170 [ 6480.136114][ T10] inet6_addr_add+0x12f/0xa40 [ 6480.136114][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6480.136114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6480.136114][ T10] netlink_rcv_skb+0x130/0x360 [ 6480.136114][ T10] netlink_unicast+0x449/0x710 [ 6480.136114][ T10] netlink_sendmsg+0x723/0xbe0 [ 6480.136114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6480.136114][ T10] ___sys_sendmsg+0xee/0x170 [ 6480.136114][ T10] __sys_sendmsg+0xcd/0x170 [ 6480.136114][ T10] do_syscall_64+0xc6/0x1e0 [ 6480.136114][ T10] [ 6480.138294][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6480.138294][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6480.138294][ T10] ipv6_find_idev+0x102/0x170 [ 6480.138294][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6480.138294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6480.138294][ T10] netlink_rcv_skb+0x130/0x360 [ 6480.138294][ T10] netlink_unicast+0x449/0x710 [ 6480.138294][ T10] netlink_sendmsg+0x723/0xbe0 [ 6480.138294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6480.138294][ T10] ___sys_sendmsg+0xee/0x170 [ 6480.138294][ T10] __sys_sendmsg+0xcd/0x170 [ 6480.138294][ T10] do_syscall_64+0xc6/0x1e0 [ 6480.138294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6480.138294][ T10] [ 6480.139994][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6480.139994][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6480.139994][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6480.139994][ T10] ipv6_find_idev+0x102/0x170 [ 6480.139994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6480.139994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6480.139994][ T10] netlink_rcv_skb+0x130/0x360 [ 6480.139994][ T10] netlink_unicast+0x449/0x710 [ 6480.139994][ T10] netlink_sendmsg+0x723/0xbe0 [ 6480.139994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6480.139994][ T10] ___sys_sendmsg+0xee/0x170 [ 6480.139994][ T10] __sys_sendmsg+0xcd/0x170 [ 6480.139994][ T10] do_syscall_64+0xc6/0x1e0 [ 6480.139994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6480.139994][ T10] [ 6480.141850][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6480.142128][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6480.142128][ T10] netdev_get_by_index+0x5e/0x80 [ 6480.142128][ T10] fib6_nh_init+0x3d8/0x1580 [ 6480.142128][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6480.142128][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6480.142128][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6480.142128][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6480.142128][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6480.142128][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6480.142128][ T10] addrconf_dad_begin+0x310/0x670 [ 6480.142128][ T10] addrconf_dad_work+0x10b/0xab0 [ 6480.142128][ T10] process_one_work+0x84d/0x18a0 [ 6480.142128][ T10] worker_thread+0x587/0xd30 [ 6480.142128][ T10] kthread+0x28a/0x350 [ 6480.142128][ T10] ret_from_fork+0x31/0x70 [ 6480.142128][ T10] ret_from_fork_asm+0x1a/0x30 [ 6480.142128][ T10] [ 6480.144248][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6480.144248][ T10] netdev_get_by_index+0x5e/0x80 [ 6480.144248][ T10] fib6_nh_init+0x3d8/0x1580 [ 6480.144248][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6480.144248][ T10] ip6_route_add+0x1c/0x140 [ 6480.144248][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6480.144248][ T10] inet6_addr_add+0x4f8/0xa40 [ 6480.144248][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6480.144248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6480.144248][ T10] netlink_rcv_skb+0x130/0x360 [ 6480.144248][ T10] netlink_unicast+0x449/0x710 [ 6480.144248][ T10] netlink_sendmsg+0x723/0xbe0 [ 6480.144248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6480.144248][ T10] ___sys_sendmsg+0xee/0x170 [ 6480.144248][ T10] __sys_sendmsg+0xcd/0x170 [ 6480.144248][ T10] do_syscall_64+0xc6/0x1e0 [ 6480.144248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6480.144248][ T10] [ 6480.146488][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6480.146488][ T10] netdev_get_by_index+0x5e/0x80 [ 6480.146488][ T10] fib6_nh_init+0x3d8/0x1580 [ 6480.146488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6480.146488][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6480.146488][ T10] ipv6_add_addr+0x411/0x2000 [ 6480.146488][ T10] inet6_addr_add+0x30e/0xa40 [ 6480.146488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6480.146488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6480.146488][ T10] netlink_rcv_skb+0x130/0x360 [ 6480.146488][ T10] netlink_unicast+0x449/0x710 [ 6480.146488][ T10] netlink_sendmsg+0x723/0xbe0 [ 6480.146488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6480.146488][ T10] ___sys_sendmsg+0xee/0x170 [ 6480.146488][ T10] __sys_sendmsg+0xcd/0x170 [ 6480.146488][ T10] do_syscall_64+0xc6/0x1e0 [ 6480.146488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6480.146488][ T10] [ 6480.148745][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6480.148745][ T10] netdev_get_by_index+0x5e/0x80 [ 6480.148745][ T10] fib6_nh_init+0x3d8/0x1580 [ 6480.148745][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6480.148745][ T10] ip6_route_add+0x1c/0x140 [ 6480.148745][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6480.148745][ T10] addrconf_add_dev+0xe2/0x170 [ 6480.148745][ T10] inet6_addr_add+0x12f/0xa40 [ 6480.148745][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6480.148745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6480.148745][ T10] netlink_rcv_skb+0x130/0x360 [ 6480.148745][ T10] netlink_unicast+0x449/0x710 [ 6480.148745][ T10] netlink_sendmsg+0x723/0xbe0 [ 6480.148745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6480.148745][ T10] ___sys_sendmsg+0xee/0x170 [ 6480.148745][ T10] __sys_sendmsg+0xcd/0x170 [ 6480.148745][ T10] do_syscall_64+0xc6/0x1e0 [ 6480.148745][ T10] [ 6480.150935][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6480.150935][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6480.150935][ T10] ipv6_find_idev+0x102/0x170 [ 6480.150935][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6480.150935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6480.150935][ T10] netlink_rcv_skb+0x130/0x360 [ 6480.150935][ T10] netlink_unicast+0x449/0x710 [ 6480.150935][ T10] netlink_sendmsg+0x723/0xbe0 [ 6480.150935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6480.150935][ T10] ___sys_sendmsg+0xee/0x170 [ 6480.150935][ T10] __sys_sendmsg+0xcd/0x170 [ 6480.150935][ T10] do_syscall_64+0xc6/0x1e0 [ 6480.150935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6480.150935][ T10] [ 6480.152630][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6480.152630][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6480.152630][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6480.152630][ T10] ipv6_find_idev+0x102/0x170 [ 6480.152630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6480.152630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6480.152630][ T10] netlink_rcv_skb+0x130/0x360 [ 6480.152630][ T10] netlink_unicast+0x449/0x710 [ 6480.152630][ T10] netlink_sendmsg+0x723/0xbe0 [ 6480.152630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6480.152630][ T10] ___sys_sendmsg+0xee/0x170 [ 6480.152630][ T10] __sys_sendmsg+0xcd/0x170 [ 6480.152630][ T10] do_syscall_64+0xc6/0x1e0 [ 6480.152630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6480.152630][ T10] [ 6480.154492][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6480.154753][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6480.154753][ T10] netdev_get_by_index+0x5e/0x80 [ 6480.154753][ T10] fib6_nh_init+0x3d8/0x1580 [ 6480.154753][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6480.154753][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6480.154753][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6480.154753][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6480.154753][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6480.154753][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6480.154753][ T10] addrconf_dad_begin+0x310/0x670 [ 6480.154753][ T10] addrconf_dad_work+0x10b/0xab0 [ 6480.154753][ T10] process_one_work+0x84d/0x18a0 [ 6480.154753][ T10] worker_thread+0x587/0xd30 [ 6480.154753][ T10] kthread+0x28a/0x350 [ 6480.154753][ T10] ret_from_fork+0x31/0x70 [ 6480.154753][ T10] ret_from_fork_asm+0x1a/0x30 [ 6480.154753][ T10] [ 6480.156861][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6480.156861][ T10] netdev_get_by_index+0x5e/0x80 [ 6480.156861][ T10] fib6_nh_init+0x3d8/0x1580 [ 6480.156861][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6480.156861][ T10] ip6_route_add+0x1c/0x140 [ 6480.156861][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6480.156861][ T10] inet6_addr_add+0x4f8/0xa40 [ 6480.156861][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6480.156861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6480.156861][ T10] netlink_rcv_skb+0x130/0x360 [ 6480.156861][ T10] netlink_unicast+0x449/0x710 [ 6480.156861][ T10] netlink_sendmsg+0x723/0xbe0 [ 6480.156861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6480.156861][ T10] ___sys_sendmsg+0xee/0x170 [ 6480.156861][ T10] __sys_sendmsg+0xcd/0x170 [ 6480.156861][ T10] do_syscall_64+0xc6/0x1e0 [ 6480.156861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6480.156861][ T10] [ 6480.159255][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6480.159255][ T10] netdev_get_by_index+0x5e/0x80 [ 6480.159255][ T10] fib6_nh_init+0x3d8/0x1580 [ 6480.159255][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6480.159255][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6480.159255][ T10] ipv6_add_addr+0x411/0x2000 [ 6480.159255][ T10] inet6_addr_add+0x30e/0xa40 [ 6480.159255][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6480.159255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6480.159255][ T10] netlink_rcv_skb+0x130/0x360 [ 6480.159255][ T10] netlink_unicast+0x449/0x710 [ 6480.159255][ T10] netlink_sendmsg+0x723/0xbe0 [ 6480.159255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6480.159255][ T10] ___sys_sendmsg+0xee/0x170 [ 6480.159255][ T10] __sys_sendmsg+0xcd/0x170 [ 6480.159255][ T10] do_syscall_64+0xc6/0x1e0 [ 6480.159255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6480.159255][ T10] [ 6480.161767][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6480.161767][ T10] netdev_get_by_index+0x5e/0x80 [ 6480.161767][ T10] fib6_nh_init+0x3d8/0x1580 [ 6480.161767][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6480.161767][ T10] ip6_route_add+0x1c/0x140 [ 6480.161767][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6480.161767][ T10] addrconf_add_dev+0xe2/0x170 [ 6480.161767][ T10] inet6_addr_add+0x12f/0xa40 [ 6480.161767][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6480.161767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6480.161767][ T10] netlink_rcv_skb+0x130/0x360 [ 6480.161767][ T10] netlink_unicast+0x449/0x710 [ 6480.161767][ T10] netlink_sendmsg+0x723/0xbe0 [ 6480.161767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6480.161767][ T10] ___sys_sendmsg+0xee/0x170 [ 6480.161767][ T10] __sys_sendmsg+0xcd/0x170 [ 6480.161767][ T10] do_syscall_64+0xc6/0x1e0 [ 6480.161767][ T10] [ 6480.164132][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6480.164132][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6480.164132][ T10] ipv6_find_idev+0x102/0x170 [ 6480.164132][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6480.164132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6480.164132][ T10] netlink_rcv_skb+0x130/0x360 [ 6480.164132][ T10] netlink_unicast+0x449/0x710 [ 6480.164132][ T10] netlink_sendmsg+0x723/0xbe0 [ 6480.164132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6480.164132][ T10] ___sys_sendmsg+0xee/0x170 [ 6480.164132][ T10] __sys_sendmsg+0xcd/0x170 [ 6480.164132][ T10] do_syscall_64+0xc6/0x1e0 [ 6480.164132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6480.164132][ T10] [ 6480.166016][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6480.166016][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6480.166016][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6480.166016][ T10] ipv6_find_idev+0x102/0x170 [ 6480.166016][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6480.166016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6480.166016][ T10] netlink_rcv_skb+0x130/0x360 [ 6480.166016][ T10] netlink_unicast+0x449/0x710 [ 6480.166016][ T10] netlink_sendmsg+0x723/0xbe0 [ 6480.166016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6480.166016][ T10] ___sys_sendmsg+0xee/0x170 [ 6480.166016][ T10] __sys_sendmsg+0xcd/0x170 [ 6480.166016][ T10] do_syscall_64+0xc6/0x1e0 [ 6480.166016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6480.166016][ T10] [ 6480.168121][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6480.168374][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6480.168374][ T10] netdev_get_by_index+0x5e/0x80 [ 6480.168374][ T10] fib6_nh_init+0x3d8/0x1580 [ 6480.168374][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6480.168374][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6480.168374][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6480.168374][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6480.168374][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6480.168374][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6480.168374][ T10] addrconf_dad_begin+0x310/0x670 [ 6480.168374][ T10] addrconf_dad_work+0x10b/0xab0 [ 6480.168374][ T10] process_one_work+0x84d/0x18a0 [ 6480.168374][ T10] worker_thread+0x587/0xd30 [ 6480.168374][ T10] kthread+0x28a/0x350 [ 6480.168374][ T10] ret_from_fork+0x31/0x70 [ 6480.168374][ T10] ret_from_fork_asm+0x1a/0x30 [ 6480.168374][ T10] [ 6480.170797][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6480.170797][ T10] netdev_get_by_index+0x5e/0x80 [ 6480.170797][ T10] fib6_nh_init+0x3d8/0x1580 [ 6480.170797][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6480.170797][ T10] ip6_route_add+0x1c/0x140 [ 6480.170797][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6480.170797][ T10] inet6_addr_add+0x4f8/0xa40 [ 6480.170797][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6480.170797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6480.170797][ T10] netlink_rcv_skb+0x130/0x360 [ 6480.170797][ T10] netlink_unicast+0x449/0x710 [ 6480.170797][ T10] netlink_sendmsg+0x723/0xbe0 [ 6480.170797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6480.170797][ T10] ___sys_sendmsg+0xee/0x170 [ 6480.170797][ T10] __sys_sendmsg+0xcd/0x170 [ 6480.170797][ T10] do_syscall_64+0xc6/0x1e0 [ 6480.170797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6480.170797][ T10] [ 6480.173202][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6480.173202][ T10] netdev_get_by_index+0x5e/0x80 [ 6480.173202][ T10] fib6_nh_init+0x3d8/0x1580 [ 6480.173202][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6480.173202][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6480.173202][ T10] ipv6_add_addr+0x411/0x2000 [ 6480.173202][ T10] inet6_addr_add+0x30e/0xa40 [ 6480.173202][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6480.173202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6480.173202][ T10] netlink_rcv_skb+0x130/0x360 [ 6480.173202][ T10] netlink_unicast+0x449/0x710 [ 6480.173202][ T10] netlink_sendmsg+0x723/0xbe0 [ 6480.173202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6480.173202][ T10] ___sys_sendmsg+0xee/0x170 [ 6480.173202][ T10] __sys_sendmsg+0xcd/0x170 [ 6480.173202][ T10] do_syscall_64+0xc6/0x1e0 [ 6480.173202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6480.173202][ T10] [ 6480.175661][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6480.175661][ T10] netdev_get_by_index+0x5e/0x80 [ 6480.175661][ T10] fib6_nh_init+0x3d8/0x1580 [ 6480.175661][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6480.175661][ T10] ip6_route_add+0x1c/0x140 [ 6480.175661][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6480.175661][ T10] addrconf_add_dev+0xe2/0x170 [ 6480.175661][ T10] inet6_addr_add+0x12f/0xa40 [ 6480.175661][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6480.175661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6480.175661][ T10] netlink_rcv_skb+0x130/0x360 [ 6480.175661][ T10] netlink_unicast+0x449/0x710 [ 6480.175661][ T10] netlink_sendmsg+0x723/0xbe0 [ 6480.175661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6480.175661][ T10] ___sys_sendmsg+0xee/0x170 [ 6480.175661][ T10] __sys_sendmsg+0xcd/0x170 [ 6480.175661][ T10] do_syscall_64+0xc6/0x1e0 [ 6480.175661][ T10] [ 6480.178082][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6480.178082][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6480.178082][ T10] ipv6_find_idev+0x102/0x170 [ 6480.178082][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6480.178082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6480.178082][ T10] netlink_rcv_skb+0x130/0x360 [ 6480.178082][ T10] netlink_unicast+0x449/0x710 [ 6480.178082][ T10] netlink_sendmsg+0x723/0xbe0 [ 6480.178082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6480.178082][ T10] ___sys_sendmsg+0xee/0x170 [ 6480.178082][ T10] __sys_sendmsg+0xcd/0x170 [ 6480.178082][ T10] do_syscall_64+0xc6/0x1e0 [ 6480.178082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6480.178082][ T10] [ 6480.179966][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6480.179966][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6480.179966][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6480.179966][ T10] ipv6_find_idev+0x102/0x170 [ 6480.179966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6480.179966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6480.179966][ T10] netlink_rcv_skb+0x130/0x360 [ 6480.179966][ T10] netlink_unicast+0x449/0x710 [ 6480.179966][ T10] netlink_sendmsg+0x723/0xbe0 [ 6480.179966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6480.179966][ T10] ___sys_sendmsg+0xee/0x170 [ 6480.179966][ T10] __sys_sendmsg+0xcd/0x170 [ 6480.179966][ T10] do_syscall_64+0xc6/0x1e0 [ 6480.179966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6480.179966][ T10] [ 6487.937031][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6487.937525][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6487.937525][ T1167] dst_init+0x84/0x4a0 [ 6487.937525][ T1167] dst_alloc+0x97/0x150 [ 6487.937525][ T1167] ip6_dst_alloc+0x23/0x90 [ 6487.937525][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6487.937525][ T1167] ip6_pol_route+0x56f/0x840 [ 6487.937525][ T1167] fib6_rule_lookup+0x334/0x630 [ 6487.937525][ T1167] ip6_route_output_flags+0x259/0x480 [ 6487.937525][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6487.937525][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6487.937525][ T1167] netlink_rcv_skb+0x130/0x360 [ 6487.937525][ T1167] netlink_unicast+0x449/0x710 [ 6487.937525][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6487.937525][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6487.937525][ T1167] ___sys_sendmsg+0xee/0x170 [ 6487.937525][ T1167] __sys_sendmsg+0xcd/0x170 [ 6487.937525][ T1167] do_syscall_64+0xc6/0x1e0 [ 6487.937525][ T1167] [ 6487.939975][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6487.939975][ T1167] netdev_get_by_index+0x5e/0x80 [ 6487.939975][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6487.939975][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6487.939975][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6487.939975][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6487.939975][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6487.939975][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6487.939975][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6487.939975][ T1167] addrconf_dad_begin+0x310/0x670 [ 6487.939975][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6487.939975][ T1167] process_one_work+0x84d/0x18a0 [ 6487.939975][ T1167] worker_thread+0x587/0xd30 [ 6487.939975][ T1167] kthread+0x28a/0x350 [ 6487.939975][ T1167] ret_from_fork+0x31/0x70 [ 6487.939975][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6487.939975][ T1167] [ 6487.942342][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6487.942342][ T1167] netdev_get_by_index+0x5e/0x80 [ 6487.942342][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6487.942342][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6487.942342][ T1167] ip6_route_add+0x1c/0x140 [ 6487.942342][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6487.942342][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6487.942342][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6487.942342][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6487.942342][ T1167] netlink_rcv_skb+0x130/0x360 [ 6487.942342][ T1167] netlink_unicast+0x449/0x710 [ 6487.942342][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6487.942342][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6487.942342][ T1167] ___sys_sendmsg+0xee/0x170 [ 6487.942342][ T1167] __sys_sendmsg+0xcd/0x170 [ 6487.942342][ T1167] do_syscall_64+0xc6/0x1e0 [ 6487.942342][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6487.942342][ T1167] [ 6487.944827][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6487.944827][ T1167] netdev_get_by_index+0x5e/0x80 [ 6487.944827][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6487.944827][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6487.944827][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6487.944827][ T1167] ipv6_add_addr+0x411/0x2000 [ 6487.944827][ T1167] inet6_addr_add+0x30e/0xa40 [ 6487.944827][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6487.944827][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6487.944827][ T1167] netlink_rcv_skb+0x130/0x360 [ 6487.944827][ T1167] netlink_unicast+0x449/0x710 [ 6487.944827][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6487.944827][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6487.944827][ T1167] ___sys_sendmsg+0xee/0x170 [ 6487.944827][ T1167] __sys_sendmsg+0xcd/0x170 [ 6487.944827][ T1167] do_syscall_64+0xc6/0x1e0 [ 6487.944827][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6487.944827][ T1167] [ 6487.947308][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6487.947308][ T1167] netdev_get_by_index+0x5e/0x80 [ 6487.947308][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6487.947308][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6487.947308][ T1167] ip6_route_add+0x1c/0x140 [ 6487.947308][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6487.947308][ T1167] addrconf_add_dev+0xe2/0x170 [ 6487.947308][ T1167] inet6_addr_add+0x12f/0xa40 [ 6487.947308][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6487.947308][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6487.947308][ T1167] netlink_rcv_skb+0x130/0x360 [ 6487.947308][ T1167] netlink_unicast+0x449/0x710 [ 6487.947308][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6487.947308][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6487.947308][ T1167] ___sys_sendmsg+0xee/0x170 [ 6487.947308][ T1167] __sys_sendmsg+0xcd/0x170 [ 6487.947308][ T1167] do_syscall_64+0xc6/0x1e0 [ 6487.947308][ T1167] [ 6487.949752][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6487.949752][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6487.949752][ T1167] ipv6_find_idev+0x102/0x170 [ 6487.949752][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6487.949752][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6487.949752][ T1167] netlink_rcv_skb+0x130/0x360 [ 6487.949752][ T1167] netlink_unicast+0x449/0x710 [ 6487.949752][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6487.949752][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6487.949752][ T1167] ___sys_sendmsg+0xee/0x170 [ 6487.949752][ T1167] __sys_sendmsg+0xcd/0x170 [ 6487.949752][ T1167] do_syscall_64+0xc6/0x1e0 [ 6487.949752][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6487.949752][ T1167] [ 6487.951651][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6487.951651][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6487.951651][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6487.951651][ T1167] ipv6_find_idev+0x102/0x170 [ 6487.951651][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6487.951651][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6487.951651][ T1167] netlink_rcv_skb+0x130/0x360 [ 6487.951651][ T1167] netlink_unicast+0x449/0x710 [ 6487.951651][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6487.951651][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6487.951651][ T1167] ___sys_sendmsg+0xee/0x170 [ 6487.951651][ T1167] __sys_sendmsg+0xcd/0x170 [ 6487.951651][ T1167] do_syscall_64+0xc6/0x1e0 [ 6487.951651][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6487.951651][ T1167] [ 6490.425129][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6490.425547][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6490.425547][ T10] netdev_get_by_index+0x5e/0x80 [ 6490.425547][ T10] fib6_nh_init+0x3d8/0x1580 [ 6490.425547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6490.425547][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6490.425547][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6490.425547][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6490.425547][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6490.425547][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6490.425547][ T10] addrconf_dad_begin+0x310/0x670 [ 6490.425547][ T10] addrconf_dad_work+0x10b/0xab0 [ 6490.425547][ T10] process_one_work+0x84d/0x18a0 [ 6490.425547][ T10] worker_thread+0x587/0xd30 [ 6490.425547][ T10] kthread+0x28a/0x350 [ 6490.425547][ T10] ret_from_fork+0x31/0x70 [ 6490.425547][ T10] ret_from_fork_asm+0x1a/0x30 [ 6490.425547][ T10] [ 6490.427701][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6490.427701][ T10] netdev_get_by_index+0x5e/0x80 [ 6490.427701][ T10] fib6_nh_init+0x3d8/0x1580 [ 6490.427701][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6490.427701][ T10] ip6_route_add+0x1c/0x140 [ 6490.427701][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6490.427701][ T10] inet6_addr_add+0x4f8/0xa40 [ 6490.427701][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6490.427701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.427701][ T10] netlink_rcv_skb+0x130/0x360 [ 6490.427701][ T10] netlink_unicast+0x449/0x710 [ 6490.427701][ T10] netlink_sendmsg+0x723/0xbe0 [ 6490.427701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6490.427701][ T10] ___sys_sendmsg+0xee/0x170 [ 6490.427701][ T10] __sys_sendmsg+0xcd/0x170 [ 6490.427701][ T10] do_syscall_64+0xc6/0x1e0 [ 6490.427701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.427701][ T10] [ 6490.429932][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6490.429932][ T10] netdev_get_by_index+0x5e/0x80 [ 6490.429932][ T10] fib6_nh_init+0x3d8/0x1580 [ 6490.429932][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6490.429932][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6490.429932][ T10] ipv6_add_addr+0x411/0x2000 [ 6490.429932][ T10] inet6_addr_add+0x30e/0xa40 [ 6490.429932][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6490.429932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.429932][ T10] netlink_rcv_skb+0x130/0x360 [ 6490.429932][ T10] netlink_unicast+0x449/0x710 [ 6490.429932][ T10] netlink_sendmsg+0x723/0xbe0 [ 6490.429932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6490.429932][ T10] ___sys_sendmsg+0xee/0x170 [ 6490.429932][ T10] __sys_sendmsg+0xcd/0x170 [ 6490.429932][ T10] do_syscall_64+0xc6/0x1e0 [ 6490.429932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.429932][ T10] [ 6490.432152][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6490.432152][ T10] netdev_get_by_index+0x5e/0x80 [ 6490.432152][ T10] fib6_nh_init+0x3d8/0x1580 [ 6490.432152][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6490.432152][ T10] ip6_route_add+0x1c/0x140 [ 6490.432152][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6490.432152][ T10] addrconf_add_dev+0xe2/0x170 [ 6490.432152][ T10] inet6_addr_add+0x12f/0xa40 [ 6490.432152][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6490.432152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.432152][ T10] netlink_rcv_skb+0x130/0x360 [ 6490.432152][ T10] netlink_unicast+0x449/0x710 [ 6490.432152][ T10] netlink_sendmsg+0x723/0xbe0 [ 6490.432152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6490.432152][ T10] ___sys_sendmsg+0xee/0x170 [ 6490.432152][ T10] __sys_sendmsg+0xcd/0x170 [ 6490.432152][ T10] do_syscall_64+0xc6/0x1e0 [ 6490.432152][ T10] [ 6490.434329][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6490.434329][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6490.434329][ T10] ipv6_find_idev+0x102/0x170 [ 6490.434329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6490.434329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.434329][ T10] netlink_rcv_skb+0x130/0x360 [ 6490.434329][ T10] netlink_unicast+0x449/0x710 [ 6490.434329][ T10] netlink_sendmsg+0x723/0xbe0 [ 6490.434329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6490.434329][ T10] ___sys_sendmsg+0xee/0x170 [ 6490.434329][ T10] __sys_sendmsg+0xcd/0x170 [ 6490.434329][ T10] do_syscall_64+0xc6/0x1e0 [ 6490.434329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.434329][ T10] [ 6490.436044][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6490.436044][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6490.436044][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6490.436044][ T10] ipv6_find_idev+0x102/0x170 [ 6490.436044][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6490.436044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.436044][ T10] netlink_rcv_skb+0x130/0x360 [ 6490.436044][ T10] netlink_unicast+0x449/0x710 [ 6490.436044][ T10] netlink_sendmsg+0x723/0xbe0 [ 6490.436044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6490.436044][ T10] ___sys_sendmsg+0xee/0x170 [ 6490.436044][ T10] __sys_sendmsg+0xcd/0x170 [ 6490.436044][ T10] do_syscall_64+0xc6/0x1e0 [ 6490.436044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.436044][ T10] [ 6490.437901][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6490.438174][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6490.438174][ T10] netdev_get_by_index+0x5e/0x80 [ 6490.438174][ T10] fib6_nh_init+0x3d8/0x1580 [ 6490.438174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6490.438174][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6490.438174][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6490.438174][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6490.438174][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6490.438174][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6490.438174][ T10] addrconf_dad_begin+0x310/0x670 [ 6490.438174][ T10] addrconf_dad_work+0x10b/0xab0 [ 6490.438174][ T10] process_one_work+0x84d/0x18a0 [ 6490.438174][ T10] worker_thread+0x587/0xd30 [ 6490.438174][ T10] kthread+0x28a/0x350 [ 6490.438174][ T10] ret_from_fork+0x31/0x70 [ 6490.438174][ T10] ret_from_fork_asm+0x1a/0x30 [ 6490.438174][ T10] [ 6490.440308][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6490.440308][ T10] netdev_get_by_index+0x5e/0x80 [ 6490.440308][ T10] fib6_nh_init+0x3d8/0x1580 [ 6490.440308][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6490.440308][ T10] ip6_route_add+0x1c/0x140 [ 6490.440308][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6490.440308][ T10] inet6_addr_add+0x4f8/0xa40 [ 6490.440308][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6490.440308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.440308][ T10] netlink_rcv_skb+0x130/0x360 [ 6490.440308][ T10] netlink_unicast+0x449/0x710 [ 6490.440308][ T10] netlink_sendmsg+0x723/0xbe0 [ 6490.440308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6490.440308][ T10] ___sys_sendmsg+0xee/0x170 [ 6490.440308][ T10] __sys_sendmsg+0xcd/0x170 [ 6490.440308][ T10] do_syscall_64+0xc6/0x1e0 [ 6490.440308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.440308][ T10] [ 6490.442533][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6490.442533][ T10] netdev_get_by_index+0x5e/0x80 [ 6490.442533][ T10] fib6_nh_init+0x3d8/0x1580 [ 6490.442533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6490.442533][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6490.442533][ T10] ipv6_add_addr+0x411/0x2000 [ 6490.442533][ T10] inet6_addr_add+0x30e/0xa40 [ 6490.442533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6490.442533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.442533][ T10] netlink_rcv_skb+0x130/0x360 [ 6490.442533][ T10] netlink_unicast+0x449/0x710 [ 6490.442533][ T10] netlink_sendmsg+0x723/0xbe0 [ 6490.442533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6490.442533][ T10] ___sys_sendmsg+0xee/0x170 [ 6490.442533][ T10] __sys_sendmsg+0xcd/0x170 [ 6490.442533][ T10] do_syscall_64+0xc6/0x1e0 [ 6490.442533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.442533][ T10] [ 6490.444753][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6490.444753][ T10] netdev_get_by_index+0x5e/0x80 [ 6490.444753][ T10] fib6_nh_init+0x3d8/0x1580 [ 6490.444753][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6490.444753][ T10] ip6_route_add+0x1c/0x140 [ 6490.444753][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6490.444753][ T10] addrconf_add_dev+0xe2/0x170 [ 6490.444753][ T10] inet6_addr_add+0x12f/0xa40 [ 6490.444753][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6490.444753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.444753][ T10] netlink_rcv_skb+0x130/0x360 [ 6490.444753][ T10] netlink_unicast+0x449/0x710 [ 6490.444753][ T10] netlink_sendmsg+0x723/0xbe0 [ 6490.444753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6490.444753][ T10] ___sys_sendmsg+0xee/0x170 [ 6490.444753][ T10] __sys_sendmsg+0xcd/0x170 [ 6490.444753][ T10] do_syscall_64+0xc6/0x1e0 [ 6490.444753][ T10] [ 6490.446937][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6490.446937][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6490.446937][ T10] ipv6_find_idev+0x102/0x170 [ 6490.446937][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6490.446937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.446937][ T10] netlink_rcv_skb+0x130/0x360 [ 6490.446937][ T10] netlink_unicast+0x449/0x710 [ 6490.446937][ T10] netlink_sendmsg+0x723/0xbe0 [ 6490.446937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6490.446937][ T10] ___sys_sendmsg+0xee/0x170 [ 6490.446937][ T10] __sys_sendmsg+0xcd/0x170 [ 6490.446937][ T10] do_syscall_64+0xc6/0x1e0 [ 6490.446937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.446937][ T10] [ 6490.448652][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6490.448652][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6490.448652][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6490.448652][ T10] ipv6_find_idev+0x102/0x170 [ 6490.448652][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6490.448652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.448652][ T10] netlink_rcv_skb+0x130/0x360 [ 6490.448652][ T10] netlink_unicast+0x449/0x710 [ 6490.448652][ T10] netlink_sendmsg+0x723/0xbe0 [ 6490.448652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6490.448652][ T10] ___sys_sendmsg+0xee/0x170 [ 6490.448652][ T10] __sys_sendmsg+0xcd/0x170 [ 6490.448652][ T10] do_syscall_64+0xc6/0x1e0 [ 6490.448652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.448652][ T10] [ 6490.450517][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6490.450773][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6490.450773][ T10] netdev_get_by_index+0x5e/0x80 [ 6490.450773][ T10] fib6_nh_init+0x3d8/0x1580 [ 6490.450773][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6490.450773][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6490.450773][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6490.450773][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6490.450773][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6490.450773][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6490.450773][ T10] addrconf_dad_begin+0x310/0x670 [ 6490.450773][ T10] addrconf_dad_work+0x10b/0xab0 [ 6490.450773][ T10] process_one_work+0x84d/0x18a0 [ 6490.450773][ T10] worker_thread+0x587/0xd30 [ 6490.450773][ T10] kthread+0x28a/0x350 [ 6490.450773][ T10] ret_from_fork+0x31/0x70 [ 6490.450773][ T10] ret_from_fork_asm+0x1a/0x30 [ 6490.450773][ T10] [ 6490.452891][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6490.452891][ T10] netdev_get_by_index+0x5e/0x80 [ 6490.452891][ T10] fib6_nh_init+0x3d8/0x1580 [ 6490.452891][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6490.452891][ T10] ip6_route_add+0x1c/0x140 [ 6490.452891][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6490.452891][ T10] inet6_addr_add+0x4f8/0xa40 [ 6490.452891][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6490.452891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.452891][ T10] netlink_rcv_skb+0x130/0x360 [ 6490.452891][ T10] netlink_unicast+0x449/0x710 [ 6490.452891][ T10] netlink_sendmsg+0x723/0xbe0 [ 6490.452891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6490.452891][ T10] ___sys_sendmsg+0xee/0x170 [ 6490.452891][ T10] __sys_sendmsg+0xcd/0x170 [ 6490.452891][ T10] do_syscall_64+0xc6/0x1e0 [ 6490.452891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.452891][ T10] [ 6490.455287][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6490.455287][ T10] netdev_get_by_index+0x5e/0x80 [ 6490.455287][ T10] fib6_nh_init+0x3d8/0x1580 [ 6490.455287][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6490.455287][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6490.455287][ T10] ipv6_add_addr+0x411/0x2000 [ 6490.455287][ T10] inet6_addr_add+0x30e/0xa40 [ 6490.455287][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6490.455287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.455287][ T10] netlink_rcv_skb+0x130/0x360 [ 6490.455287][ T10] netlink_unicast+0x449/0x710 [ 6490.455287][ T10] netlink_sendmsg+0x723/0xbe0 [ 6490.455287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6490.455287][ T10] ___sys_sendmsg+0xee/0x170 [ 6490.455287][ T10] __sys_sendmsg+0xcd/0x170 [ 6490.455287][ T10] do_syscall_64+0xc6/0x1e0 [ 6490.455287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.455287][ T10] [ 6490.457805][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6490.457805][ T10] netdev_get_by_index+0x5e/0x80 [ 6490.457805][ T10] fib6_nh_init+0x3d8/0x1580 [ 6490.457805][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6490.457805][ T10] ip6_route_add+0x1c/0x140 [ 6490.457805][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6490.457805][ T10] addrconf_add_dev+0xe2/0x170 [ 6490.457805][ T10] inet6_addr_add+0x12f/0xa40 [ 6490.457805][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6490.457805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.457805][ T10] netlink_rcv_skb+0x130/0x360 [ 6490.457805][ T10] netlink_unicast+0x449/0x710 [ 6490.457805][ T10] netlink_sendmsg+0x723/0xbe0 [ 6490.457805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6490.457805][ T10] ___sys_sendmsg+0xee/0x170 [ 6490.457805][ T10] __sys_sendmsg+0xcd/0x170 [ 6490.457805][ T10] do_syscall_64+0xc6/0x1e0 [ 6490.457805][ T10] [ 6490.460156][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6490.460156][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6490.460156][ T10] ipv6_find_idev+0x102/0x170 [ 6490.460156][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6490.460156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.460156][ T10] netlink_rcv_skb+0x130/0x360 [ 6490.460156][ T10] netlink_unicast+0x449/0x710 [ 6490.460156][ T10] netlink_sendmsg+0x723/0xbe0 [ 6490.460156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6490.460156][ T10] ___sys_sendmsg+0xee/0x170 [ 6490.460156][ T10] __sys_sendmsg+0xcd/0x170 [ 6490.460156][ T10] do_syscall_64+0xc6/0x1e0 [ 6490.460156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.460156][ T10] [ 6490.462045][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6490.462045][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6490.462045][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6490.462045][ T10] ipv6_find_idev+0x102/0x170 [ 6490.462045][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6490.462045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.462045][ T10] netlink_rcv_skb+0x130/0x360 [ 6490.462045][ T10] netlink_unicast+0x449/0x710 [ 6490.462045][ T10] netlink_sendmsg+0x723/0xbe0 [ 6490.462045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6490.462045][ T10] ___sys_sendmsg+0xee/0x170 [ 6490.462045][ T10] __sys_sendmsg+0xcd/0x170 [ 6490.462045][ T10] do_syscall_64+0xc6/0x1e0 [ 6490.462045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.462045][ T10] [ 6490.464137][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6490.464396][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6490.464396][ T10] netdev_get_by_index+0x5e/0x80 [ 6490.464396][ T10] fib6_nh_init+0x3d8/0x1580 [ 6490.464396][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6490.464396][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6490.464396][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6490.464396][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6490.464396][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6490.464396][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6490.464396][ T10] addrconf_dad_begin+0x310/0x670 [ 6490.464396][ T10] addrconf_dad_work+0x10b/0xab0 [ 6490.464396][ T10] process_one_work+0x84d/0x18a0 [ 6490.464396][ T10] worker_thread+0x587/0xd30 [ 6490.464396][ T10] kthread+0x28a/0x350 [ 6490.464396][ T10] ret_from_fork+0x31/0x70 [ 6490.464396][ T10] ret_from_fork_asm+0x1a/0x30 [ 6490.464396][ T10] [ 6490.466824][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6490.466824][ T10] netdev_get_by_index+0x5e/0x80 [ 6490.466824][ T10] fib6_nh_init+0x3d8/0x1580 [ 6490.466824][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6490.466824][ T10] ip6_route_add+0x1c/0x140 [ 6490.466824][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6490.466824][ T10] inet6_addr_add+0x4f8/0xa40 [ 6490.466824][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6490.466824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.466824][ T10] netlink_rcv_skb+0x130/0x360 [ 6490.466824][ T10] netlink_unicast+0x449/0x710 [ 6490.466824][ T10] netlink_sendmsg+0x723/0xbe0 [ 6490.466824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6490.466824][ T10] ___sys_sendmsg+0xee/0x170 [ 6490.466824][ T10] __sys_sendmsg+0xcd/0x170 [ 6490.466824][ T10] do_syscall_64+0xc6/0x1e0 [ 6490.466824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.466824][ T10] [ 6490.469231][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6490.469231][ T10] netdev_get_by_index+0x5e/0x80 [ 6490.469231][ T10] fib6_nh_init+0x3d8/0x1580 [ 6490.469231][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6490.469231][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6490.469231][ T10] ipv6_add_addr+0x411/0x2000 [ 6490.469231][ T10] inet6_addr_add+0x30e/0xa40 [ 6490.469231][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6490.469231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.469231][ T10] netlink_rcv_skb+0x130/0x360 [ 6490.469231][ T10] netlink_unicast+0x449/0x710 [ 6490.469231][ T10] netlink_sendmsg+0x723/0xbe0 [ 6490.469231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6490.469231][ T10] ___sys_sendmsg+0xee/0x170 [ 6490.469231][ T10] __sys_sendmsg+0xcd/0x170 [ 6490.469231][ T10] do_syscall_64+0xc6/0x1e0 [ 6490.469231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.469231][ T10] [ 6490.471698][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6490.471698][ T10] netdev_get_by_index+0x5e/0x80 [ 6490.471698][ T10] fib6_nh_init+0x3d8/0x1580 [ 6490.471698][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6490.471698][ T10] ip6_route_add+0x1c/0x140 [ 6490.471698][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6490.471698][ T10] addrconf_add_dev+0xe2/0x170 [ 6490.471698][ T10] inet6_addr_add+0x12f/0xa40 [ 6490.471698][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6490.471698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.471698][ T10] netlink_rcv_skb+0x130/0x360 [ 6490.471698][ T10] netlink_unicast+0x449/0x710 [ 6490.471698][ T10] netlink_sendmsg+0x723/0xbe0 [ 6490.471698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6490.471698][ T10] ___sys_sendmsg+0xee/0x170 [ 6490.471698][ T10] __sys_sendmsg+0xcd/0x170 [ 6490.471698][ T10] do_syscall_64+0xc6/0x1e0 [ 6490.471698][ T10] [ 6490.474117][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6490.474117][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6490.474117][ T10] ipv6_find_idev+0x102/0x170 [ 6490.474117][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6490.474117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.474117][ T10] netlink_rcv_skb+0x130/0x360 [ 6490.474117][ T10] netlink_unicast+0x449/0x710 [ 6490.474117][ T10] netlink_sendmsg+0x723/0xbe0 [ 6490.474117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6490.474117][ T10] ___sys_sendmsg+0xee/0x170 [ 6490.474117][ T10] __sys_sendmsg+0xcd/0x170 [ 6490.474117][ T10] do_syscall_64+0xc6/0x1e0 [ 6490.474117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.474117][ T10] [ 6490.476003][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6490.476003][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6490.476003][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6490.476003][ T10] ipv6_find_idev+0x102/0x170 [ 6490.476003][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6490.476003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6490.476003][ T10] netlink_rcv_skb+0x130/0x360 [ 6490.476003][ T10] netlink_unicast+0x449/0x710 [ 6490.476003][ T10] netlink_sendmsg+0x723/0xbe0 [ 6490.476003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6490.476003][ T10] ___sys_sendmsg+0xee/0x170 [ 6490.476003][ T10] __sys_sendmsg+0xcd/0x170 [ 6490.476003][ T10] do_syscall_64+0xc6/0x1e0 [ 6490.476003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6490.476003][ T10] [ 6498.193104][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6498.193592][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6498.193592][ T1167] dst_init+0x84/0x4a0 [ 6498.193592][ T1167] dst_alloc+0x97/0x150 [ 6498.193592][ T1167] ip6_dst_alloc+0x23/0x90 [ 6498.193592][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6498.193592][ T1167] ip6_pol_route+0x56f/0x840 [ 6498.193592][ T1167] fib6_rule_lookup+0x334/0x630 [ 6498.193592][ T1167] ip6_route_output_flags+0x259/0x480 [ 6498.193592][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6498.193592][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6498.193592][ T1167] netlink_rcv_skb+0x130/0x360 [ 6498.193592][ T1167] netlink_unicast+0x449/0x710 [ 6498.193592][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6498.193592][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6498.193592][ T1167] ___sys_sendmsg+0xee/0x170 [ 6498.193592][ T1167] __sys_sendmsg+0xcd/0x170 [ 6498.193592][ T1167] do_syscall_64+0xc6/0x1e0 [ 6498.193592][ T1167] [ 6498.196016][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6498.196016][ T1167] netdev_get_by_index+0x5e/0x80 [ 6498.196016][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6498.196016][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6498.196016][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6498.196016][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6498.196016][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6498.196016][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6498.196016][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6498.196016][ T1167] addrconf_dad_begin+0x310/0x670 [ 6498.196016][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6498.196016][ T1167] process_one_work+0x84d/0x18a0 [ 6498.196016][ T1167] worker_thread+0x587/0xd30 [ 6498.196016][ T1167] kthread+0x28a/0x350 [ 6498.196016][ T1167] ret_from_fork+0x31/0x70 [ 6498.196016][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6498.196016][ T1167] [ 6498.198384][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6498.198384][ T1167] netdev_get_by_index+0x5e/0x80 [ 6498.198384][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6498.198384][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6498.198384][ T1167] ip6_route_add+0x1c/0x140 [ 6498.198384][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6498.198384][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6498.198384][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6498.198384][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6498.198384][ T1167] netlink_rcv_skb+0x130/0x360 [ 6498.198384][ T1167] netlink_unicast+0x449/0x710 [ 6498.198384][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6498.198384][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6498.198384][ T1167] ___sys_sendmsg+0xee/0x170 [ 6498.198384][ T1167] __sys_sendmsg+0xcd/0x170 [ 6498.198384][ T1167] do_syscall_64+0xc6/0x1e0 [ 6498.198384][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6498.198384][ T1167] [ 6498.200839][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6498.200839][ T1167] netdev_get_by_index+0x5e/0x80 [ 6498.200839][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6498.200839][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6498.200839][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6498.200839][ T1167] ipv6_add_addr+0x411/0x2000 [ 6498.200839][ T1167] inet6_addr_add+0x30e/0xa40 [ 6498.200839][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6498.200839][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6498.200839][ T1167] netlink_rcv_skb+0x130/0x360 [ 6498.200839][ T1167] netlink_unicast+0x449/0x710 [ 6498.200839][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6498.200839][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6498.200839][ T1167] ___sys_sendmsg+0xee/0x170 [ 6498.200839][ T1167] __sys_sendmsg+0xcd/0x170 [ 6498.200839][ T1167] do_syscall_64+0xc6/0x1e0 [ 6498.200839][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6498.200839][ T1167] [ 6498.203299][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6498.203299][ T1167] netdev_get_by_index+0x5e/0x80 [ 6498.203299][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6498.203299][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6498.203299][ T1167] ip6_route_add+0x1c/0x140 [ 6498.203299][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6498.203299][ T1167] addrconf_add_dev+0xe2/0x170 [ 6498.203299][ T1167] inet6_addr_add+0x12f/0xa40 [ 6498.203299][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6498.203299][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6498.203299][ T1167] netlink_rcv_skb+0x130/0x360 [ 6498.203299][ T1167] netlink_unicast+0x449/0x710 [ 6498.203299][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6498.203299][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6498.203299][ T1167] ___sys_sendmsg+0xee/0x170 [ 6498.203299][ T1167] __sys_sendmsg+0xcd/0x170 [ 6498.203299][ T1167] do_syscall_64+0xc6/0x1e0 [ 6498.203299][ T1167] [ 6498.205710][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6498.205710][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6498.205710][ T1167] ipv6_find_idev+0x102/0x170 [ 6498.205710][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6498.205710][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6498.205710][ T1167] netlink_rcv_skb+0x130/0x360 [ 6498.205710][ T1167] netlink_unicast+0x449/0x710 [ 6498.205710][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6498.205710][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6498.205710][ T1167] ___sys_sendmsg+0xee/0x170 [ 6498.205710][ T1167] __sys_sendmsg+0xcd/0x170 [ 6498.205710][ T1167] do_syscall_64+0xc6/0x1e0 [ 6498.205710][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6498.205710][ T1167] [ 6498.207626][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6498.207626][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6498.207626][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6498.207626][ T1167] ipv6_find_idev+0x102/0x170 [ 6498.207626][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6498.207626][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6498.207626][ T1167] netlink_rcv_skb+0x130/0x360 [ 6498.207626][ T1167] netlink_unicast+0x449/0x710 [ 6498.207626][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6498.207626][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6498.207626][ T1167] ___sys_sendmsg+0xee/0x170 [ 6498.207626][ T1167] __sys_sendmsg+0xcd/0x170 [ 6498.207626][ T1167] do_syscall_64+0xc6/0x1e0 [ 6498.207626][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6498.207626][ T1167] [ 6500.721132][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6500.721556][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6500.721556][ T10] netdev_get_by_index+0x5e/0x80 [ 6500.721556][ T10] fib6_nh_init+0x3d8/0x1580 [ 6500.721556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6500.721556][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6500.721556][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6500.721556][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6500.721556][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6500.721556][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6500.721556][ T10] addrconf_dad_begin+0x310/0x670 [ 6500.721556][ T10] addrconf_dad_work+0x10b/0xab0 [ 6500.721556][ T10] process_one_work+0x84d/0x18a0 [ 6500.721556][ T10] worker_thread+0x587/0xd30 [ 6500.721556][ T10] kthread+0x28a/0x350 [ 6500.721556][ T10] ret_from_fork+0x31/0x70 [ 6500.721556][ T10] ret_from_fork_asm+0x1a/0x30 [ 6500.721556][ T10] [ 6500.723703][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6500.723703][ T10] netdev_get_by_index+0x5e/0x80 [ 6500.723703][ T10] fib6_nh_init+0x3d8/0x1580 [ 6500.723703][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6500.723703][ T10] ip6_route_add+0x1c/0x140 [ 6500.723703][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6500.723703][ T10] inet6_addr_add+0x4f8/0xa40 [ 6500.723703][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6500.723703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.723703][ T10] netlink_rcv_skb+0x130/0x360 [ 6500.723703][ T10] netlink_unicast+0x449/0x710 [ 6500.723703][ T10] netlink_sendmsg+0x723/0xbe0 [ 6500.723703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6500.723703][ T10] ___sys_sendmsg+0xee/0x170 [ 6500.723703][ T10] __sys_sendmsg+0xcd/0x170 [ 6500.723703][ T10] do_syscall_64+0xc6/0x1e0 [ 6500.723703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.723703][ T10] [ 6500.725939][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6500.725939][ T10] netdev_get_by_index+0x5e/0x80 [ 6500.725939][ T10] fib6_nh_init+0x3d8/0x1580 [ 6500.725939][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6500.725939][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6500.725939][ T10] ipv6_add_addr+0x411/0x2000 [ 6500.725939][ T10] inet6_addr_add+0x30e/0xa40 [ 6500.725939][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6500.725939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.725939][ T10] netlink_rcv_skb+0x130/0x360 [ 6500.725939][ T10] netlink_unicast+0x449/0x710 [ 6500.725939][ T10] netlink_sendmsg+0x723/0xbe0 [ 6500.725939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6500.725939][ T10] ___sys_sendmsg+0xee/0x170 [ 6500.725939][ T10] __sys_sendmsg+0xcd/0x170 [ 6500.725939][ T10] do_syscall_64+0xc6/0x1e0 [ 6500.725939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.725939][ T10] [ 6500.728169][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6500.728169][ T10] netdev_get_by_index+0x5e/0x80 [ 6500.728169][ T10] fib6_nh_init+0x3d8/0x1580 [ 6500.728169][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6500.728169][ T10] ip6_route_add+0x1c/0x140 [ 6500.728169][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6500.728169][ T10] addrconf_add_dev+0xe2/0x170 [ 6500.728169][ T10] inet6_addr_add+0x12f/0xa40 [ 6500.728169][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6500.728169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.728169][ T10] netlink_rcv_skb+0x130/0x360 [ 6500.728169][ T10] netlink_unicast+0x449/0x710 [ 6500.728169][ T10] netlink_sendmsg+0x723/0xbe0 [ 6500.728169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6500.728169][ T10] ___sys_sendmsg+0xee/0x170 [ 6500.728169][ T10] __sys_sendmsg+0xcd/0x170 [ 6500.728169][ T10] do_syscall_64+0xc6/0x1e0 [ 6500.728169][ T10] [ 6500.730354][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6500.730354][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6500.730354][ T10] ipv6_find_idev+0x102/0x170 [ 6500.730354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6500.730354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.730354][ T10] netlink_rcv_skb+0x130/0x360 [ 6500.730354][ T10] netlink_unicast+0x449/0x710 [ 6500.730354][ T10] netlink_sendmsg+0x723/0xbe0 [ 6500.730354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6500.730354][ T10] ___sys_sendmsg+0xee/0x170 [ 6500.730354][ T10] __sys_sendmsg+0xcd/0x170 [ 6500.730354][ T10] do_syscall_64+0xc6/0x1e0 [ 6500.730354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.730354][ T10] [ 6500.732059][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6500.732059][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6500.732059][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6500.732059][ T10] ipv6_find_idev+0x102/0x170 [ 6500.732059][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6500.732059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.732059][ T10] netlink_rcv_skb+0x130/0x360 [ 6500.732059][ T10] netlink_unicast+0x449/0x710 [ 6500.732059][ T10] netlink_sendmsg+0x723/0xbe0 [ 6500.732059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6500.732059][ T10] ___sys_sendmsg+0xee/0x170 [ 6500.732059][ T10] __sys_sendmsg+0xcd/0x170 [ 6500.732059][ T10] do_syscall_64+0xc6/0x1e0 [ 6500.732059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.732059][ T10] [ 6500.733930][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6500.734202][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6500.734202][ T10] netdev_get_by_index+0x5e/0x80 [ 6500.734202][ T10] fib6_nh_init+0x3d8/0x1580 [ 6500.734202][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6500.734202][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6500.734202][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6500.734202][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6500.734202][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6500.734202][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6500.734202][ T10] addrconf_dad_begin+0x310/0x670 [ 6500.734202][ T10] addrconf_dad_work+0x10b/0xab0 [ 6500.734202][ T10] process_one_work+0x84d/0x18a0 [ 6500.734202][ T10] worker_thread+0x587/0xd30 [ 6500.734202][ T10] kthread+0x28a/0x350 [ 6500.734202][ T10] ret_from_fork+0x31/0x70 [ 6500.734202][ T10] ret_from_fork_asm+0x1a/0x30 [ 6500.734202][ T10] [ 6500.736333][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6500.736333][ T10] netdev_get_by_index+0x5e/0x80 [ 6500.736333][ T10] fib6_nh_init+0x3d8/0x1580 [ 6500.736333][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6500.736333][ T10] ip6_route_add+0x1c/0x140 [ 6500.736333][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6500.736333][ T10] inet6_addr_add+0x4f8/0xa40 [ 6500.736333][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6500.736333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.736333][ T10] netlink_rcv_skb+0x130/0x360 [ 6500.736333][ T10] netlink_unicast+0x449/0x710 [ 6500.736333][ T10] netlink_sendmsg+0x723/0xbe0 [ 6500.736333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6500.736333][ T10] ___sys_sendmsg+0xee/0x170 [ 6500.736333][ T10] __sys_sendmsg+0xcd/0x170 [ 6500.736333][ T10] do_syscall_64+0xc6/0x1e0 [ 6500.736333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.736333][ T10] [ 6500.738553][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6500.738553][ T10] netdev_get_by_index+0x5e/0x80 [ 6500.738553][ T10] fib6_nh_init+0x3d8/0x1580 [ 6500.738553][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6500.738553][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6500.738553][ T10] ipv6_add_addr+0x411/0x2000 [ 6500.738553][ T10] inet6_addr_add+0x30e/0xa40 [ 6500.738553][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6500.738553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.738553][ T10] netlink_rcv_skb+0x130/0x360 [ 6500.738553][ T10] netlink_unicast+0x449/0x710 [ 6500.738553][ T10] netlink_sendmsg+0x723/0xbe0 [ 6500.738553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6500.738553][ T10] ___sys_sendmsg+0xee/0x170 [ 6500.738553][ T10] __sys_sendmsg+0xcd/0x170 [ 6500.738553][ T10] do_syscall_64+0xc6/0x1e0 [ 6500.738553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.738553][ T10] [ 6500.740779][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6500.740779][ T10] netdev_get_by_index+0x5e/0x80 [ 6500.740779][ T10] fib6_nh_init+0x3d8/0x1580 [ 6500.740779][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6500.740779][ T10] ip6_route_add+0x1c/0x140 [ 6500.740779][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6500.740779][ T10] addrconf_add_dev+0xe2/0x170 [ 6500.740779][ T10] inet6_addr_add+0x12f/0xa40 [ 6500.740779][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6500.740779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.740779][ T10] netlink_rcv_skb+0x130/0x360 [ 6500.740779][ T10] netlink_unicast+0x449/0x710 [ 6500.740779][ T10] netlink_sendmsg+0x723/0xbe0 [ 6500.740779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6500.740779][ T10] ___sys_sendmsg+0xee/0x170 [ 6500.740779][ T10] __sys_sendmsg+0xcd/0x170 [ 6500.740779][ T10] do_syscall_64+0xc6/0x1e0 [ 6500.740779][ T10] [ 6500.742972][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6500.742972][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6500.742972][ T10] ipv6_find_idev+0x102/0x170 [ 6500.742972][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6500.742972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.742972][ T10] netlink_rcv_skb+0x130/0x360 [ 6500.742972][ T10] netlink_unicast+0x449/0x710 [ 6500.742972][ T10] netlink_sendmsg+0x723/0xbe0 [ 6500.742972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6500.742972][ T10] ___sys_sendmsg+0xee/0x170 [ 6500.742972][ T10] __sys_sendmsg+0xcd/0x170 [ 6500.742972][ T10] do_syscall_64+0xc6/0x1e0 [ 6500.742972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.742972][ T10] [ 6500.744684][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6500.744684][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6500.744684][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6500.744684][ T10] ipv6_find_idev+0x102/0x170 [ 6500.744684][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6500.744684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.744684][ T10] netlink_rcv_skb+0x130/0x360 [ 6500.744684][ T10] netlink_unicast+0x449/0x710 [ 6500.744684][ T10] netlink_sendmsg+0x723/0xbe0 [ 6500.744684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6500.744684][ T10] ___sys_sendmsg+0xee/0x170 [ 6500.744684][ T10] __sys_sendmsg+0xcd/0x170 [ 6500.744684][ T10] do_syscall_64+0xc6/0x1e0 [ 6500.744684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.744684][ T10] [ 6500.746557][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6500.746814][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6500.746814][ T10] netdev_get_by_index+0x5e/0x80 [ 6500.746814][ T10] fib6_nh_init+0x3d8/0x1580 [ 6500.746814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6500.746814][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6500.746814][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6500.746814][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6500.746814][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6500.746814][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6500.746814][ T10] addrconf_dad_begin+0x310/0x670 [ 6500.746814][ T10] addrconf_dad_work+0x10b/0xab0 [ 6500.746814][ T10] process_one_work+0x84d/0x18a0 [ 6500.746814][ T10] worker_thread+0x587/0xd30 [ 6500.746814][ T10] kthread+0x28a/0x350 [ 6500.746814][ T10] ret_from_fork+0x31/0x70 [ 6500.746814][ T10] ret_from_fork_asm+0x1a/0x30 [ 6500.746814][ T10] [ 6500.748941][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6500.748941][ T10] netdev_get_by_index+0x5e/0x80 [ 6500.748941][ T10] fib6_nh_init+0x3d8/0x1580 [ 6500.748941][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6500.748941][ T10] ip6_route_add+0x1c/0x140 [ 6500.748941][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6500.748941][ T10] inet6_addr_add+0x4f8/0xa40 [ 6500.748941][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6500.748941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.748941][ T10] netlink_rcv_skb+0x130/0x360 [ 6500.748941][ T10] netlink_unicast+0x449/0x710 [ 6500.748941][ T10] netlink_sendmsg+0x723/0xbe0 [ 6500.748941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6500.748941][ T10] ___sys_sendmsg+0xee/0x170 [ 6500.748941][ T10] __sys_sendmsg+0xcd/0x170 [ 6500.748941][ T10] do_syscall_64+0xc6/0x1e0 [ 6500.748941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.748941][ T10] [ 6500.751349][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6500.751349][ T10] netdev_get_by_index+0x5e/0x80 [ 6500.751349][ T10] fib6_nh_init+0x3d8/0x1580 [ 6500.751349][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6500.751349][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6500.751349][ T10] ipv6_add_addr+0x411/0x2000 [ 6500.751349][ T10] inet6_addr_add+0x30e/0xa40 [ 6500.751349][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6500.751349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.751349][ T10] netlink_rcv_skb+0x130/0x360 [ 6500.751349][ T10] netlink_unicast+0x449/0x710 [ 6500.751349][ T10] netlink_sendmsg+0x723/0xbe0 [ 6500.751349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6500.751349][ T10] ___sys_sendmsg+0xee/0x170 [ 6500.751349][ T10] __sys_sendmsg+0xcd/0x170 [ 6500.751349][ T10] do_syscall_64+0xc6/0x1e0 [ 6500.751349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.751349][ T10] [ 6500.753875][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6500.753875][ T10] netdev_get_by_index+0x5e/0x80 [ 6500.753875][ T10] fib6_nh_init+0x3d8/0x1580 [ 6500.753875][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6500.753875][ T10] ip6_route_add+0x1c/0x140 [ 6500.753875][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6500.753875][ T10] addrconf_add_dev+0xe2/0x170 [ 6500.753875][ T10] inet6_addr_add+0x12f/0xa40 [ 6500.753875][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6500.753875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.753875][ T10] netlink_rcv_skb+0x130/0x360 [ 6500.753875][ T10] netlink_unicast+0x449/0x710 [ 6500.753875][ T10] netlink_sendmsg+0x723/0xbe0 [ 6500.753875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6500.753875][ T10] ___sys_sendmsg+0xee/0x170 [ 6500.753875][ T10] __sys_sendmsg+0xcd/0x170 [ 6500.753875][ T10] do_syscall_64+0xc6/0x1e0 [ 6500.753875][ T10] [ 6500.756317][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6500.756317][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6500.756317][ T10] ipv6_find_idev+0x102/0x170 [ 6500.756317][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6500.756317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.756317][ T10] netlink_rcv_skb+0x130/0x360 [ 6500.756317][ T10] netlink_unicast+0x449/0x710 [ 6500.756317][ T10] netlink_sendmsg+0x723/0xbe0 [ 6500.756317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6500.756317][ T10] ___sys_sendmsg+0xee/0x170 [ 6500.756317][ T10] __sys_sendmsg+0xcd/0x170 [ 6500.756317][ T10] do_syscall_64+0xc6/0x1e0 [ 6500.756317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.756317][ T10] [ 6500.758230][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6500.758230][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6500.758230][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6500.758230][ T10] ipv6_find_idev+0x102/0x170 [ 6500.758230][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6500.758230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.758230][ T10] netlink_rcv_skb+0x130/0x360 [ 6500.758230][ T10] netlink_unicast+0x449/0x710 [ 6500.758230][ T10] netlink_sendmsg+0x723/0xbe0 [ 6500.758230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6500.758230][ T10] ___sys_sendmsg+0xee/0x170 [ 6500.758230][ T10] __sys_sendmsg+0xcd/0x170 [ 6500.758230][ T10] do_syscall_64+0xc6/0x1e0 [ 6500.758230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.758230][ T10] [ 6500.760225][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6500.760481][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6500.760481][ T10] netdev_get_by_index+0x5e/0x80 [ 6500.760481][ T10] fib6_nh_init+0x3d8/0x1580 [ 6500.760481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6500.760481][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6500.760481][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6500.760481][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6500.760481][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6500.760481][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6500.760481][ T10] addrconf_dad_begin+0x310/0x670 [ 6500.760481][ T10] addrconf_dad_work+0x10b/0xab0 [ 6500.760481][ T10] process_one_work+0x84d/0x18a0 [ 6500.760481][ T10] worker_thread+0x587/0xd30 [ 6500.760481][ T10] kthread+0x28a/0x350 [ 6500.760481][ T10] ret_from_fork+0x31/0x70 [ 6500.760481][ T10] ret_from_fork_asm+0x1a/0x30 [ 6500.760481][ T10] [ 6500.762901][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6500.762901][ T10] netdev_get_by_index+0x5e/0x80 [ 6500.762901][ T10] fib6_nh_init+0x3d8/0x1580 [ 6500.762901][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6500.762901][ T10] ip6_route_add+0x1c/0x140 [ 6500.762901][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6500.762901][ T10] inet6_addr_add+0x4f8/0xa40 [ 6500.762901][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6500.762901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.762901][ T10] netlink_rcv_skb+0x130/0x360 [ 6500.762901][ T10] netlink_unicast+0x449/0x710 [ 6500.762901][ T10] netlink_sendmsg+0x723/0xbe0 [ 6500.762901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6500.762901][ T10] ___sys_sendmsg+0xee/0x170 [ 6500.762901][ T10] __sys_sendmsg+0xcd/0x170 [ 6500.762901][ T10] do_syscall_64+0xc6/0x1e0 [ 6500.762901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.762901][ T10] [ 6500.765364][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6500.765364][ T10] netdev_get_by_index+0x5e/0x80 [ 6500.765364][ T10] fib6_nh_init+0x3d8/0x1580 [ 6500.765364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6500.765364][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6500.765364][ T10] ipv6_add_addr+0x411/0x2000 [ 6500.765364][ T10] inet6_addr_add+0x30e/0xa40 [ 6500.765364][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6500.765364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.765364][ T10] netlink_rcv_skb+0x130/0x360 [ 6500.765364][ T10] netlink_unicast+0x449/0x710 [ 6500.765364][ T10] netlink_sendmsg+0x723/0xbe0 [ 6500.765364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6500.765364][ T10] ___sys_sendmsg+0xee/0x170 [ 6500.765364][ T10] __sys_sendmsg+0xcd/0x170 [ 6500.765364][ T10] do_syscall_64+0xc6/0x1e0 [ 6500.765364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.765364][ T10] [ 6500.767828][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6500.767828][ T10] netdev_get_by_index+0x5e/0x80 [ 6500.767828][ T10] fib6_nh_init+0x3d8/0x1580 [ 6500.767828][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6500.767828][ T10] ip6_route_add+0x1c/0x140 [ 6500.767828][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6500.767828][ T10] addrconf_add_dev+0xe2/0x170 [ 6500.767828][ T10] inet6_addr_add+0x12f/0xa40 [ 6500.767828][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6500.767828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.767828][ T10] netlink_rcv_skb+0x130/0x360 [ 6500.767828][ T10] netlink_unicast+0x449/0x710 [ 6500.767828][ T10] netlink_sendmsg+0x723/0xbe0 [ 6500.767828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6500.767828][ T10] ___sys_sendmsg+0xee/0x170 [ 6500.767828][ T10] __sys_sendmsg+0xcd/0x170 [ 6500.767828][ T10] do_syscall_64+0xc6/0x1e0 [ 6500.767828][ T10] [ 6500.770191][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6500.770191][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6500.770191][ T10] ipv6_find_idev+0x102/0x170 [ 6500.770191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6500.770191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.770191][ T10] netlink_rcv_skb+0x130/0x360 [ 6500.770191][ T10] netlink_unicast+0x449/0x710 [ 6500.770191][ T10] netlink_sendmsg+0x723/0xbe0 [ 6500.770191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6500.770191][ T10] ___sys_sendmsg+0xee/0x170 [ 6500.770191][ T10] __sys_sendmsg+0xcd/0x170 [ 6500.770191][ T10] do_syscall_64+0xc6/0x1e0 [ 6500.770191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.770191][ T10] [ 6500.772080][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6500.772080][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6500.772080][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6500.772080][ T10] ipv6_find_idev+0x102/0x170 [ 6500.772080][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6500.772080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6500.772080][ T10] netlink_rcv_skb+0x130/0x360 [ 6500.772080][ T10] netlink_unicast+0x449/0x710 [ 6500.772080][ T10] netlink_sendmsg+0x723/0xbe0 [ 6500.772080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6500.772080][ T10] ___sys_sendmsg+0xee/0x170 [ 6500.772080][ T10] __sys_sendmsg+0xcd/0x170 [ 6500.772080][ T10] do_syscall_64+0xc6/0x1e0 [ 6500.772080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6500.772080][ T10] [ 6508.457042][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6508.457577][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6508.457577][ T1167] dst_init+0x84/0x4a0 [ 6508.457577][ T1167] dst_alloc+0x97/0x150 [ 6508.457577][ T1167] ip6_dst_alloc+0x23/0x90 [ 6508.457577][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6508.457577][ T1167] ip6_pol_route+0x56f/0x840 [ 6508.457577][ T1167] fib6_rule_lookup+0x334/0x630 [ 6508.457577][ T1167] ip6_route_output_flags+0x259/0x480 [ 6508.457577][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6508.457577][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6508.457577][ T1167] netlink_rcv_skb+0x130/0x360 [ 6508.457577][ T1167] netlink_unicast+0x449/0x710 [ 6508.457577][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6508.457577][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6508.457577][ T1167] ___sys_sendmsg+0xee/0x170 [ 6508.457577][ T1167] __sys_sendmsg+0xcd/0x170 [ 6508.457577][ T1167] do_syscall_64+0xc6/0x1e0 [ 6508.457577][ T1167] [ 6508.459782][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6508.459782][ T1167] netdev_get_by_index+0x5e/0x80 [ 6508.459782][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6508.459782][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6508.459782][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6508.459782][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6508.459782][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6508.459782][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6508.459782][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6508.459782][ T1167] addrconf_dad_begin+0x310/0x670 [ 6508.459782][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6508.459782][ T1167] process_one_work+0x84d/0x18a0 [ 6508.459782][ T1167] worker_thread+0x587/0xd30 [ 6508.459782][ T1167] kthread+0x28a/0x350 [ 6508.459782][ T1167] ret_from_fork+0x31/0x70 [ 6508.459782][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6508.459782][ T1167] [ 6508.461953][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6508.461953][ T1167] netdev_get_by_index+0x5e/0x80 [ 6508.461953][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6508.461953][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6508.461953][ T1167] ip6_route_add+0x1c/0x140 [ 6508.461953][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6508.461953][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6508.461953][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6508.461953][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6508.461953][ T1167] netlink_rcv_skb+0x130/0x360 [ 6508.461953][ T1167] netlink_unicast+0x449/0x710 [ 6508.461953][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6508.461953][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6508.461953][ T1167] ___sys_sendmsg+0xee/0x170 [ 6508.461953][ T1167] __sys_sendmsg+0xcd/0x170 [ 6508.461953][ T1167] do_syscall_64+0xc6/0x1e0 [ 6508.461953][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6508.461953][ T1167] [ 6508.464207][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6508.464207][ T1167] netdev_get_by_index+0x5e/0x80 [ 6508.464207][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6508.464207][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6508.464207][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6508.464207][ T1167] ipv6_add_addr+0x411/0x2000 [ 6508.464207][ T1167] inet6_addr_add+0x30e/0xa40 [ 6508.464207][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6508.464207][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6508.464207][ T1167] netlink_rcv_skb+0x130/0x360 [ 6508.464207][ T1167] netlink_unicast+0x449/0x710 [ 6508.464207][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6508.464207][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6508.464207][ T1167] ___sys_sendmsg+0xee/0x170 [ 6508.464207][ T1167] __sys_sendmsg+0xcd/0x170 [ 6508.464207][ T1167] do_syscall_64+0xc6/0x1e0 [ 6508.464207][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6508.464207][ T1167] [ 6508.466454][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6508.466454][ T1167] netdev_get_by_index+0x5e/0x80 [ 6508.466454][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6508.466454][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6508.466454][ T1167] ip6_route_add+0x1c/0x140 [ 6508.466454][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6508.466454][ T1167] addrconf_add_dev+0xe2/0x170 [ 6508.466454][ T1167] inet6_addr_add+0x12f/0xa40 [ 6508.466454][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6508.466454][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6508.466454][ T1167] netlink_rcv_skb+0x130/0x360 [ 6508.466454][ T1167] netlink_unicast+0x449/0x710 [ 6508.466454][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6508.466454][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6508.466454][ T1167] ___sys_sendmsg+0xee/0x170 [ 6508.466454][ T1167] __sys_sendmsg+0xcd/0x170 [ 6508.466454][ T1167] do_syscall_64+0xc6/0x1e0 [ 6508.466454][ T1167] [ 6508.468660][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6508.468660][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6508.468660][ T1167] ipv6_find_idev+0x102/0x170 [ 6508.468660][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6508.468660][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6508.468660][ T1167] netlink_rcv_skb+0x130/0x360 [ 6508.468660][ T1167] netlink_unicast+0x449/0x710 [ 6508.468660][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6508.468660][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6508.468660][ T1167] ___sys_sendmsg+0xee/0x170 [ 6508.468660][ T1167] __sys_sendmsg+0xcd/0x170 [ 6508.468660][ T1167] do_syscall_64+0xc6/0x1e0 [ 6508.468660][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6508.468660][ T1167] [ 6508.470385][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6508.470385][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6508.470385][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6508.470385][ T1167] ipv6_find_idev+0x102/0x170 [ 6508.470385][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6508.470385][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6508.470385][ T1167] netlink_rcv_skb+0x130/0x360 [ 6508.470385][ T1167] netlink_unicast+0x449/0x710 [ 6508.470385][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6508.470385][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6508.470385][ T1167] ___sys_sendmsg+0xee/0x170 [ 6508.470385][ T1167] __sys_sendmsg+0xcd/0x170 [ 6508.470385][ T1167] do_syscall_64+0xc6/0x1e0 [ 6508.470385][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6508.470385][ T1167] [ 6511.017114][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6511.017554][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6511.017554][ T10] netdev_get_by_index+0x5e/0x80 [ 6511.017554][ T10] fib6_nh_init+0x3d8/0x1580 [ 6511.017554][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6511.017554][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6511.017554][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6511.017554][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6511.017554][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6511.017554][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6511.017554][ T10] addrconf_dad_begin+0x310/0x670 [ 6511.017554][ T10] addrconf_dad_work+0x10b/0xab0 [ 6511.017554][ T10] process_one_work+0x84d/0x18a0 [ 6511.017554][ T10] worker_thread+0x587/0xd30 [ 6511.017554][ T10] kthread+0x28a/0x350 [ 6511.017554][ T10] ret_from_fork+0x31/0x70 [ 6511.017554][ T10] ret_from_fork_asm+0x1a/0x30 [ 6511.017554][ T10] [ 6511.019684][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6511.019684][ T10] netdev_get_by_index+0x5e/0x80 [ 6511.019684][ T10] fib6_nh_init+0x3d8/0x1580 [ 6511.019684][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6511.019684][ T10] ip6_route_add+0x1c/0x140 [ 6511.019684][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6511.019684][ T10] inet6_addr_add+0x4f8/0xa40 [ 6511.019684][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6511.019684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6511.019684][ T10] netlink_rcv_skb+0x130/0x360 [ 6511.019684][ T10] netlink_unicast+0x449/0x710 [ 6511.019684][ T10] netlink_sendmsg+0x723/0xbe0 [ 6511.019684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6511.019684][ T10] ___sys_sendmsg+0xee/0x170 [ 6511.019684][ T10] __sys_sendmsg+0xcd/0x170 [ 6511.019684][ T10] do_syscall_64+0xc6/0x1e0 [ 6511.019684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6511.019684][ T10] [ 6511.021904][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6511.021904][ T10] netdev_get_by_index+0x5e/0x80 [ 6511.021904][ T10] fib6_nh_init+0x3d8/0x1580 [ 6511.021904][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6511.021904][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6511.021904][ T10] ipv6_add_addr+0x411/0x2000 [ 6511.021904][ T10] inet6_addr_add+0x30e/0xa40 [ 6511.021904][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6511.021904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6511.021904][ T10] netlink_rcv_skb+0x130/0x360 [ 6511.021904][ T10] netlink_unicast+0x449/0x710 [ 6511.021904][ T10] netlink_sendmsg+0x723/0xbe0 [ 6511.021904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6511.021904][ T10] ___sys_sendmsg+0xee/0x170 [ 6511.021904][ T10] __sys_sendmsg+0xcd/0x170 [ 6511.021904][ T10] do_syscall_64+0xc6/0x1e0 [ 6511.021904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6511.021904][ T10] [ 6511.024108][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6511.024108][ T10] netdev_get_by_index+0x5e/0x80 [ 6511.024108][ T10] fib6_nh_init+0x3d8/0x1580 [ 6511.024108][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6511.024108][ T10] ip6_route_add+0x1c/0x140 [ 6511.024108][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6511.024108][ T10] addrconf_add_dev+0xe2/0x170 [ 6511.024108][ T10] inet6_addr_add+0x12f/0xa40 [ 6511.024108][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6511.024108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6511.024108][ T10] netlink_rcv_skb+0x130/0x360 [ 6511.024108][ T10] netlink_unicast+0x449/0x710 [ 6511.024108][ T10] netlink_sendmsg+0x723/0xbe0 [ 6511.024108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6511.024108][ T10] ___sys_sendmsg+0xee/0x170 [ 6511.024108][ T10] __sys_sendmsg+0xcd/0x170 [ 6511.024108][ T10] do_syscall_64+0xc6/0x1e0 [ 6511.024108][ T10] [ 6511.026286][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6511.026286][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6511.026286][ T10] ipv6_find_idev+0x102/0x170 [ 6511.026286][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6511.026286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6511.026286][ T10] netlink_rcv_skb+0x130/0x360 [ 6511.026286][ T10] netlink_unicast+0x449/0x710 [ 6511.026286][ T10] netlink_sendmsg+0x723/0xbe0 [ 6511.026286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6511.026286][ T10] ___sys_sendmsg+0xee/0x170 [ 6511.026286][ T10] __sys_sendmsg+0xcd/0x170 [ 6511.026286][ T10] do_syscall_64+0xc6/0x1e0 [ 6511.026286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6511.026286][ T10] [ 6511.028004][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6511.028004][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6511.028004][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6511.028004][ T10] ipv6_find_idev+0x102/0x170 [ 6511.028004][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6511.028004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6511.028004][ T10] netlink_rcv_skb+0x130/0x360 [ 6511.028004][ T10] netlink_unicast+0x449/0x710 [ 6511.028004][ T10] netlink_sendmsg+0x723/0xbe0 [ 6511.028004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6511.028004][ T10] ___sys_sendmsg+0xee/0x170 [ 6511.028004][ T10] __sys_sendmsg+0xcd/0x170 [ 6511.028004][ T10] do_syscall_64+0xc6/0x1e0 [ 6511.028004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6511.028004][ T10] [ 6511.029868][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6511.030138][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6511.030138][ T10] netdev_get_by_index+0x5e/0x80 [ 6511.030138][ T10] fib6_nh_init+0x3d8/0x1580 [ 6511.030138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6511.030138][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6511.030138][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6511.030138][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6511.030138][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6511.030138][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6511.030138][ T10] addrconf_dad_begin+0x310/0x670 [ 6511.030138][ T10] addrconf_dad_work+0x10b/0xab0 [ 6511.030138][ T10] process_one_work+0x84d/0x18a0 [ 6511.030138][ T10] worker_thread+0x587/0xd30 [ 6511.030138][ T10] kthread+0x28a/0x350 [ 6511.030138][ T10] ret_from_fork+0x31/0x70 [ 6511.030138][ T10] ret_from_fork_asm+0x1a/0x30 [ 6511.030138][ T10] [ 6511.032256][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6511.032256][ T10] netdev_get_by_index+0x5e/0x80 [ 6511.032256][ T10] fib6_nh_init+0x3d8/0x1580 [ 6511.032256][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6511.032256][ T10] ip6_route_add+0x1c/0x140 [ 6511.032256][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6511.032256][ T10] inet6_addr_add+0x4f8/0xa40 [ 6511.032256][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6511.032256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6511.032256][ T10] netlink_rcv_skb+0x130/0x360 [ 6511.032256][ T10] netlink_unicast+0x449/0x710 [ 6511.032256][ T10] netlink_sendmsg+0x723/0xbe0 [ 6511.032256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6511.032256][ T10] ___sys_sendmsg+0xee/0x170 [ 6511.032256][ T10] __sys_sendmsg+0xcd/0x170 [ 6511.032256][ T10] do_syscall_64+0xc6/0x1e0 [ 6511.032256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6511.032256][ T10] [ 6511.034475][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6511.034475][ T10] netdev_get_by_index+0x5e/0x80 [ 6511.034475][ T10] fib6_nh_init+0x3d8/0x1580 [ 6511.034475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6511.034475][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6511.034475][ T10] ipv6_add_addr+0x411/0x2000 [ 6511.034475][ T10] inet6_addr_add+0x30e/0xa40 [ 6511.034475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6511.034475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6511.034475][ T10] netlink_rcv_skb+0x130/0x360 [ 6511.034475][ T10] netlink_unicast+0x449/0x710 [ 6511.034475][ T10] netlink_sendmsg+0x723/0xbe0 [ 6511.034475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6511.034475][ T10] ___sys_sendmsg+0xee/0x170 [ 6511.034475][ T10] __sys_sendmsg+0xcd/0x170 [ 6511.034475][ T10] do_syscall_64+0xc6/0x1e0 [ 6511.034475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6511.034475][ T10] [ 6511.036709][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6511.036709][ T10] netdev_get_by_index+0x5e/0x80 [ 6511.036709][ T10] fib6_nh_init+0x3d8/0x1580 [ 6511.036709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6511.036709][ T10] ip6_route_add+0x1c/0x140 [ 6511.036709][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6511.036709][ T10] addrconf_add_dev+0xe2/0x170 [ 6511.036709][ T10] inet6_addr_add+0x12f/0xa40 [ 6511.036709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6511.036709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6511.036709][ T10] netlink_rcv_skb+0x130/0x360 [ 6511.036709][ T10] netlink_unicast+0x449/0x710 [ 6511.036709][ T10] netlink_sendmsg+0x723/0xbe0 [ 6511.036709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6511.036709][ T10] ___sys_sendmsg+0xee/0x170 [ 6511.036709][ T10] __sys_sendmsg+0xcd/0x170 [ 6511.036709][ T10] do_syscall_64+0xc6/0x1e0 [ 6511.036709][ T10] [ 6511.038906][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6511.038906][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6511.038906][ T10] ipv6_find_idev+0x102/0x170 [ 6511.038906][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6511.038906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6511.038906][ T10] netlink_rcv_skb+0x130/0x360 [ 6511.038906][ T10] netlink_unicast+0x449/0x710 [ 6511.038906][ T10] netlink_sendmsg+0x723/0xbe0 [ 6511.038906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6511.038906][ T10] ___sys_sendmsg+0xee/0x170 [ 6511.038906][ T10] __sys_sendmsg+0xcd/0x170 [ 6511.038906][ T10] do_syscall_64+0xc6/0x1e0 [ 6511.038906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6511.038906][ T10] [ 6511.040616][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6511.040616][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6511.040616][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6511.040616][ T10] ipv6_find_idev+0x102/0x170 [ 6511.040616][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6511.040616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6511.040616][ T10] netlink_rcv_skb+0x130/0x360 [ 6511.040616][ T10] netlink_unicast+0x449/0x710 [ 6511.040616][ T10] netlink_sendmsg+0x723/0xbe0 [ 6511.040616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6511.040616][ T10] ___sys_sendmsg+0xee/0x170 [ 6511.040616][ T10] __sys_sendmsg+0xcd/0x170 [ 6511.040616][ T10] do_syscall_64+0xc6/0x1e0 [ 6511.040616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6511.040616][ T10] [ 6511.042485][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6511.042740][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6511.042740][ T10] netdev_get_by_index+0x5e/0x80 [ 6511.042740][ T10] fib6_nh_init+0x3d8/0x1580 [ 6511.042740][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6511.042740][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6511.042740][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6511.042740][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6511.042740][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6511.042740][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6511.042740][ T10] addrconf_dad_begin+0x310/0x670 [ 6511.042740][ T10] addrconf_dad_work+0x10b/0xab0 [ 6511.042740][ T10] process_one_work+0x84d/0x18a0 [ 6511.042740][ T10] worker_thread+0x587/0xd30 [ 6511.042740][ T10] kthread+0x28a/0x350 [ 6511.042740][ T10] ret_from_fork+0x31/0x70 [ 6511.042740][ T10] ret_from_fork_asm+0x1a/0x30 [ 6511.042740][ T10] [ 6511.044856][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6511.044856][ T10] netdev_get_by_index+0x5e/0x80 [ 6511.044856][ T10] fib6_nh_init+0x3d8/0x1580 [ 6511.044856][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6511.044856][ T10] ip6_route_add+0x1c/0x140 [ 6511.044856][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6511.044856][ T10] inet6_addr_add+0x4f8/0xa40 [ 6511.044856][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6511.044856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6511.044856][ T10] netlink_rcv_skb+0x130/0x360 [ 6511.044856][ T10] netlink_unicast+0x449/0x710 [ 6511.044856][ T10] netlink_sendmsg+0x723/0xbe0 [ 6511.044856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6511.044856][ T10] ___sys_sendmsg+0xee/0x170 [ 6511.044856][ T10] __sys_sendmsg+0xcd/0x170 [ 6511.044856][ T10] do_syscall_64+0xc6/0x1e0 [ 6511.044856][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6511.044856][ T10] [ 6511.047255][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6511.047255][ T10] netdev_get_by_index+0x5e/0x80 [ 6511.047255][ T10] fib6_nh_init+0x3d8/0x1580 [ 6511.047255][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6511.047255][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6511.047255][ T10] ipv6_add_addr+0x411/0x2000 [ 6511.047255][ T10] inet6_addr_add+0x30e/0xa40 [ 6511.047255][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6511.047255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6511.047255][ T10] netlink_rcv_skb+0x130/0x360 [ 6511.047255][ T10] netlink_unicast+0x449/0x710 [ 6511.047255][ T10] netlink_sendmsg+0x723/0xbe0 [ 6511.047255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6511.047255][ T10] ___sys_sendmsg+0xee/0x170 [ 6511.047255][ T10] __sys_sendmsg+0xcd/0x170 [ 6511.047255][ T10] do_syscall_64+0xc6/0x1e0 [ 6511.047255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6511.047255][ T10] [ 6511.049721][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6511.049721][ T10] netdev_get_by_index+0x5e/0x80 [ 6511.049721][ T10] fib6_nh_init+0x3d8/0x1580 [ 6511.049721][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6511.049721][ T10] ip6_route_add+0x1c/0x140 [ 6511.049721][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6511.049721][ T10] addrconf_add_dev+0xe2/0x170 [ 6511.049721][ T10] inet6_addr_add+0x12f/0xa40 [ 6511.049721][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6511.049721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6511.049721][ T10] netlink_rcv_skb+0x130/0x360 [ 6511.049721][ T10] netlink_unicast+0x449/0x710 [ 6511.049721][ T10] netlink_sendmsg+0x723/0xbe0 [ 6511.049721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6511.049721][ T10] ___sys_sendmsg+0xee/0x170 [ 6511.049721][ T10] __sys_sendmsg+0xcd/0x170 [ 6511.049721][ T10] do_syscall_64+0xc6/0x1e0 [ 6511.049721][ T10] [ 6511.052068][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6511.052068][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6511.052068][ T10] ipv6_find_idev+0x102/0x170 [ 6511.052068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6511.052068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6511.052068][ T10] netlink_rcv_skb+0x130/0x360 [ 6511.052068][ T10] netlink_unicast+0x449/0x710 [ 6511.052068][ T10] netlink_sendmsg+0x723/0xbe0 [ 6511.052068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6511.052068][ T10] ___sys_sendmsg+0xee/0x170 [ 6511.052068][ T10] __sys_sendmsg+0xcd/0x170 [ 6511.052068][ T10] do_syscall_64+0xc6/0x1e0 [ 6511.052068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6511.052068][ T10] [ 6511.053955][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6511.053955][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6511.053955][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6511.053955][ T10] ipv6_find_idev+0x102/0x170 [ 6511.053955][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6511.053955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6511.053955][ T10] netlink_rcv_skb+0x130/0x360 [ 6511.053955][ T10] netlink_unicast+0x449/0x710 [ 6511.053955][ T10] netlink_sendmsg+0x723/0xbe0 [ 6511.053955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6511.053955][ T10] ___sys_sendmsg+0xee/0x170 [ 6511.053955][ T10] __sys_sendmsg+0xcd/0x170 [ 6511.053955][ T10] do_syscall_64+0xc6/0x1e0 [ 6511.053955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6511.053955][ T10] [ 6511.056136][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6511.056390][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6511.056390][ T10] netdev_get_by_index+0x5e/0x80 [ 6511.056390][ T10] fib6_nh_init+0x3d8/0x1580 [ 6511.056390][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6511.056390][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6511.056390][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6511.056390][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6511.056390][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6511.056390][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6511.056390][ T10] addrconf_dad_begin+0x310/0x670 [ 6511.056390][ T10] addrconf_dad_work+0x10b/0xab0 [ 6511.056390][ T10] process_one_work+0x84d/0x18a0 [ 6511.056390][ T10] worker_thread+0x587/0xd30 [ 6511.056390][ T10] kthread+0x28a/0x350 [ 6511.056390][ T10] ret_from_fork+0x31/0x70 [ 6511.056390][ T10] ret_from_fork_asm+0x1a/0x30 [ 6511.056390][ T10] [ 6511.058742][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6511.058742][ T10] netdev_get_by_index+0x5e/0x80 [ 6511.058742][ T10] fib6_nh_init+0x3d8/0x1580 [ 6511.058742][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6511.058742][ T10] ip6_route_add+0x1c/0x140 [ 6511.058742][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6511.058742][ T10] inet6_addr_add+0x4f8/0xa40 [ 6511.058742][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6511.058742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6511.058742][ T10] netlink_rcv_skb+0x130/0x360 [ 6511.058742][ T10] netlink_unicast+0x449/0x710 [ 6511.058742][ T10] netlink_sendmsg+0x723/0xbe0 [ 6511.058742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6511.058742][ T10] ___sys_sendmsg+0xee/0x170 [ 6511.058742][ T10] __sys_sendmsg+0xcd/0x170 [ 6511.058742][ T10] do_syscall_64+0xc6/0x1e0 [ 6511.058742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6511.058742][ T10] [ 6511.061152][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6511.061152][ T10] netdev_get_by_index+0x5e/0x80 [ 6511.061152][ T10] fib6_nh_init+0x3d8/0x1580 [ 6511.061152][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6511.061152][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6511.061152][ T10] ipv6_add_addr+0x411/0x2000 [ 6511.061152][ T10] inet6_addr_add+0x30e/0xa40 [ 6511.061152][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6511.061152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6511.061152][ T10] netlink_rcv_skb+0x130/0x360 [ 6511.061152][ T10] netlink_unicast+0x449/0x710 [ 6511.061152][ T10] netlink_sendmsg+0x723/0xbe0 [ 6511.061152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6511.061152][ T10] ___sys_sendmsg+0xee/0x170 [ 6511.061152][ T10] __sys_sendmsg+0xcd/0x170 [ 6511.061152][ T10] do_syscall_64+0xc6/0x1e0 [ 6511.061152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6511.061152][ T10] [ 6511.063621][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6511.063621][ T10] netdev_get_by_index+0x5e/0x80 [ 6511.063621][ T10] fib6_nh_init+0x3d8/0x1580 [ 6511.063621][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6511.063621][ T10] ip6_route_add+0x1c/0x140 [ 6511.063621][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6511.063621][ T10] addrconf_add_dev+0xe2/0x170 [ 6511.063621][ T10] inet6_addr_add+0x12f/0xa40 [ 6511.063621][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6511.063621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6511.063621][ T10] netlink_rcv_skb+0x130/0x360 [ 6511.063621][ T10] netlink_unicast+0x449/0x710 [ 6511.063621][ T10] netlink_sendmsg+0x723/0xbe0 [ 6511.063621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6511.063621][ T10] ___sys_sendmsg+0xee/0x170 [ 6511.063621][ T10] __sys_sendmsg+0xcd/0x170 [ 6511.063621][ T10] do_syscall_64+0xc6/0x1e0 [ 6511.063621][ T10] [ 6511.066107][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6511.066107][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6511.066107][ T10] ipv6_find_idev+0x102/0x170 [ 6511.066107][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6511.066107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6511.066107][ T10] netlink_rcv_skb+0x130/0x360 [ 6511.066107][ T10] netlink_unicast+0x449/0x710 [ 6511.066107][ T10] netlink_sendmsg+0x723/0xbe0 [ 6511.066107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6511.066107][ T10] ___sys_sendmsg+0xee/0x170 [ 6511.066107][ T10] __sys_sendmsg+0xcd/0x170 [ 6511.066107][ T10] do_syscall_64+0xc6/0x1e0 [ 6511.066107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6511.066107][ T10] [ 6511.068000][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6511.068000][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6511.068000][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6511.068000][ T10] ipv6_find_idev+0x102/0x170 [ 6511.068000][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6511.068000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6511.068000][ T10] netlink_rcv_skb+0x130/0x360 [ 6511.068000][ T10] netlink_unicast+0x449/0x710 [ 6511.068000][ T10] netlink_sendmsg+0x723/0xbe0 [ 6511.068000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6511.068000][ T10] ___sys_sendmsg+0xee/0x170 [ 6511.068000][ T10] __sys_sendmsg+0xcd/0x170 [ 6511.068000][ T10] do_syscall_64+0xc6/0x1e0 [ 6511.068000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6511.068000][ T10] [ 6518.561142][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6518.561661][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6518.561661][ T1167] dst_init+0x84/0x4a0 [ 6518.561661][ T1167] dst_alloc+0x97/0x150 [ 6518.561661][ T1167] ip6_dst_alloc+0x23/0x90 [ 6518.561661][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6518.561661][ T1167] ip6_pol_route+0x56f/0x840 [ 6518.561661][ T1167] fib6_rule_lookup+0x334/0x630 [ 6518.561661][ T1167] ip6_route_output_flags+0x259/0x480 [ 6518.561661][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6518.561661][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6518.561661][ T1167] netlink_rcv_skb+0x130/0x360 [ 6518.561661][ T1167] netlink_unicast+0x449/0x710 [ 6518.561661][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6518.561661][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6518.561661][ T1167] ___sys_sendmsg+0xee/0x170 [ 6518.561661][ T1167] __sys_sendmsg+0xcd/0x170 [ 6518.561661][ T1167] do_syscall_64+0xc6/0x1e0 [ 6518.561661][ T1167] [ 6518.563871][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6518.563871][ T1167] netdev_get_by_index+0x5e/0x80 [ 6518.563871][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6518.563871][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6518.563871][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6518.563871][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6518.563871][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6518.563871][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6518.563871][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6518.563871][ T1167] addrconf_dad_begin+0x310/0x670 [ 6518.563871][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6518.563871][ T1167] process_one_work+0x84d/0x18a0 [ 6518.563871][ T1167] worker_thread+0x587/0xd30 [ 6518.563871][ T1167] kthread+0x28a/0x350 [ 6518.563871][ T1167] ret_from_fork+0x31/0x70 [ 6518.563871][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6518.563871][ T1167] [ 6518.566028][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6518.566028][ T1167] netdev_get_by_index+0x5e/0x80 [ 6518.566028][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6518.566028][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6518.566028][ T1167] ip6_route_add+0x1c/0x140 [ 6518.566028][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6518.566028][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6518.566028][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6518.566028][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6518.566028][ T1167] netlink_rcv_skb+0x130/0x360 [ 6518.566028][ T1167] netlink_unicast+0x449/0x710 [ 6518.566028][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6518.566028][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6518.566028][ T1167] ___sys_sendmsg+0xee/0x170 [ 6518.566028][ T1167] __sys_sendmsg+0xcd/0x170 [ 6518.566028][ T1167] do_syscall_64+0xc6/0x1e0 [ 6518.566028][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6518.566028][ T1167] [ 6518.568272][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6518.568272][ T1167] netdev_get_by_index+0x5e/0x80 [ 6518.568272][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6518.568272][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6518.568272][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6518.568272][ T1167] ipv6_add_addr+0x411/0x2000 [ 6518.568272][ T1167] inet6_addr_add+0x30e/0xa40 [ 6518.568272][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6518.568272][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6518.568272][ T1167] netlink_rcv_skb+0x130/0x360 [ 6518.568272][ T1167] netlink_unicast+0x449/0x710 [ 6518.568272][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6518.568272][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6518.568272][ T1167] ___sys_sendmsg+0xee/0x170 [ 6518.568272][ T1167] __sys_sendmsg+0xcd/0x170 [ 6518.568272][ T1167] do_syscall_64+0xc6/0x1e0 [ 6518.568272][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6518.568272][ T1167] [ 6518.570519][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6518.570519][ T1167] netdev_get_by_index+0x5e/0x80 [ 6518.570519][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6518.570519][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6518.570519][ T1167] ip6_route_add+0x1c/0x140 [ 6518.570519][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6518.570519][ T1167] addrconf_add_dev+0xe2/0x170 [ 6518.570519][ T1167] inet6_addr_add+0x12f/0xa40 [ 6518.570519][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6518.570519][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6518.570519][ T1167] netlink_rcv_skb+0x130/0x360 [ 6518.570519][ T1167] netlink_unicast+0x449/0x710 [ 6518.570519][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6518.570519][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6518.570519][ T1167] ___sys_sendmsg+0xee/0x170 [ 6518.570519][ T1167] __sys_sendmsg+0xcd/0x170 [ 6518.570519][ T1167] do_syscall_64+0xc6/0x1e0 [ 6518.570519][ T1167] [ 6518.572715][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6518.572715][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6518.572715][ T1167] ipv6_find_idev+0x102/0x170 [ 6518.572715][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6518.572715][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6518.572715][ T1167] netlink_rcv_skb+0x130/0x360 [ 6518.572715][ T1167] netlink_unicast+0x449/0x710 [ 6518.572715][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6518.572715][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6518.572715][ T1167] ___sys_sendmsg+0xee/0x170 [ 6518.572715][ T1167] __sys_sendmsg+0xcd/0x170 [ 6518.572715][ T1167] do_syscall_64+0xc6/0x1e0 [ 6518.572715][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6518.572715][ T1167] [ 6518.574446][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6518.574446][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6518.574446][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6518.574446][ T1167] ipv6_find_idev+0x102/0x170 [ 6518.574446][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6518.574446][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6518.574446][ T1167] netlink_rcv_skb+0x130/0x360 [ 6518.574446][ T1167] netlink_unicast+0x449/0x710 [ 6518.574446][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6518.574446][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6518.574446][ T1167] ___sys_sendmsg+0xee/0x170 [ 6518.574446][ T1167] __sys_sendmsg+0xcd/0x170 [ 6518.574446][ T1167] do_syscall_64+0xc6/0x1e0 [ 6518.574446][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6518.574446][ T1167] [ 6521.121119][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6521.121546][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6521.121546][ T10] netdev_get_by_index+0x5e/0x80 [ 6521.121546][ T10] fib6_nh_init+0x3d8/0x1580 [ 6521.121546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6521.121546][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6521.121546][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6521.121546][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6521.121546][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6521.121546][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6521.121546][ T10] addrconf_dad_begin+0x310/0x670 [ 6521.121546][ T10] addrconf_dad_work+0x10b/0xab0 [ 6521.121546][ T10] process_one_work+0x84d/0x18a0 [ 6521.121546][ T10] worker_thread+0x587/0xd30 [ 6521.121546][ T10] kthread+0x28a/0x350 [ 6521.121546][ T10] ret_from_fork+0x31/0x70 [ 6521.121546][ T10] ret_from_fork_asm+0x1a/0x30 [ 6521.121546][ T10] [ 6521.123683][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6521.123683][ T10] netdev_get_by_index+0x5e/0x80 [ 6521.123683][ T10] fib6_nh_init+0x3d8/0x1580 [ 6521.123683][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6521.123683][ T10] ip6_route_add+0x1c/0x140 [ 6521.123683][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6521.123683][ T10] inet6_addr_add+0x4f8/0xa40 [ 6521.123683][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6521.123683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6521.123683][ T10] netlink_rcv_skb+0x130/0x360 [ 6521.123683][ T10] netlink_unicast+0x449/0x710 [ 6521.123683][ T10] netlink_sendmsg+0x723/0xbe0 [ 6521.123683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6521.123683][ T10] ___sys_sendmsg+0xee/0x170 [ 6521.123683][ T10] __sys_sendmsg+0xcd/0x170 [ 6521.123683][ T10] do_syscall_64+0xc6/0x1e0 [ 6521.123683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6521.123683][ T10] [ 6521.125908][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6521.125908][ T10] netdev_get_by_index+0x5e/0x80 [ 6521.125908][ T10] fib6_nh_init+0x3d8/0x1580 [ 6521.125908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6521.125908][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6521.125908][ T10] ipv6_add_addr+0x411/0x2000 [ 6521.125908][ T10] inet6_addr_add+0x30e/0xa40 [ 6521.125908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6521.125908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6521.125908][ T10] netlink_rcv_skb+0x130/0x360 [ 6521.125908][ T10] netlink_unicast+0x449/0x710 [ 6521.125908][ T10] netlink_sendmsg+0x723/0xbe0 [ 6521.125908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6521.125908][ T10] ___sys_sendmsg+0xee/0x170 [ 6521.125908][ T10] __sys_sendmsg+0xcd/0x170 [ 6521.125908][ T10] do_syscall_64+0xc6/0x1e0 [ 6521.125908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6521.125908][ T10] [ 6521.128160][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6521.128160][ T10] netdev_get_by_index+0x5e/0x80 [ 6521.128160][ T10] fib6_nh_init+0x3d8/0x1580 [ 6521.128160][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6521.128160][ T10] ip6_route_add+0x1c/0x140 [ 6521.128160][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6521.128160][ T10] addrconf_add_dev+0xe2/0x170 [ 6521.128160][ T10] inet6_addr_add+0x12f/0xa40 [ 6521.128160][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6521.128160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6521.128160][ T10] netlink_rcv_skb+0x130/0x360 [ 6521.128160][ T10] netlink_unicast+0x449/0x710 [ 6521.128160][ T10] netlink_sendmsg+0x723/0xbe0 [ 6521.128160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6521.128160][ T10] ___sys_sendmsg+0xee/0x170 [ 6521.128160][ T10] __sys_sendmsg+0xcd/0x170 [ 6521.128160][ T10] do_syscall_64+0xc6/0x1e0 [ 6521.128160][ T10] [ 6521.130321][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6521.130321][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6521.130321][ T10] ipv6_find_idev+0x102/0x170 [ 6521.130321][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6521.130321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6521.130321][ T10] netlink_rcv_skb+0x130/0x360 [ 6521.130321][ T10] netlink_unicast+0x449/0x710 [ 6521.130321][ T10] netlink_sendmsg+0x723/0xbe0 [ 6521.130321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6521.130321][ T10] ___sys_sendmsg+0xee/0x170 [ 6521.130321][ T10] __sys_sendmsg+0xcd/0x170 [ 6521.130321][ T10] do_syscall_64+0xc6/0x1e0 [ 6521.130321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6521.130321][ T10] [ 6521.132038][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6521.132038][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6521.132038][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6521.132038][ T10] ipv6_find_idev+0x102/0x170 [ 6521.132038][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6521.132038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6521.132038][ T10] netlink_rcv_skb+0x130/0x360 [ 6521.132038][ T10] netlink_unicast+0x449/0x710 [ 6521.132038][ T10] netlink_sendmsg+0x723/0xbe0 [ 6521.132038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6521.132038][ T10] ___sys_sendmsg+0xee/0x170 [ 6521.132038][ T10] __sys_sendmsg+0xcd/0x170 [ 6521.132038][ T10] do_syscall_64+0xc6/0x1e0 [ 6521.132038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6521.132038][ T10] [ 6521.133906][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6521.134188][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6521.134188][ T10] netdev_get_by_index+0x5e/0x80 [ 6521.134188][ T10] fib6_nh_init+0x3d8/0x1580 [ 6521.134188][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6521.134188][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6521.134188][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6521.134188][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6521.134188][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6521.134188][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6521.134188][ T10] addrconf_dad_begin+0x310/0x670 [ 6521.134188][ T10] addrconf_dad_work+0x10b/0xab0 [ 6521.134188][ T10] process_one_work+0x84d/0x18a0 [ 6521.134188][ T10] worker_thread+0x587/0xd30 [ 6521.134188][ T10] kthread+0x28a/0x350 [ 6521.134188][ T10] ret_from_fork+0x31/0x70 [ 6521.134188][ T10] ret_from_fork_asm+0x1a/0x30 [ 6521.134188][ T10] [ 6521.136302][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6521.136302][ T10] netdev_get_by_index+0x5e/0x80 [ 6521.136302][ T10] fib6_nh_init+0x3d8/0x1580 [ 6521.136302][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6521.136302][ T10] ip6_route_add+0x1c/0x140 [ 6521.136302][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6521.136302][ T10] inet6_addr_add+0x4f8/0xa40 [ 6521.136302][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6521.136302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6521.136302][ T10] netlink_rcv_skb+0x130/0x360 [ 6521.136302][ T10] netlink_unicast+0x449/0x710 [ 6521.136302][ T10] netlink_sendmsg+0x723/0xbe0 [ 6521.136302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6521.136302][ T10] ___sys_sendmsg+0xee/0x170 [ 6521.136302][ T10] __sys_sendmsg+0xcd/0x170 [ 6521.136302][ T10] do_syscall_64+0xc6/0x1e0 [ 6521.136302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6521.136302][ T10] [ 6521.138550][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6521.138550][ T10] netdev_get_by_index+0x5e/0x80 [ 6521.138550][ T10] fib6_nh_init+0x3d8/0x1580 [ 6521.138550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6521.138550][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6521.138550][ T10] ipv6_add_addr+0x411/0x2000 [ 6521.138550][ T10] inet6_addr_add+0x30e/0xa40 [ 6521.138550][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6521.138550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6521.138550][ T10] netlink_rcv_skb+0x130/0x360 [ 6521.138550][ T10] netlink_unicast+0x449/0x710 [ 6521.138550][ T10] netlink_sendmsg+0x723/0xbe0 [ 6521.138550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6521.138550][ T10] ___sys_sendmsg+0xee/0x170 [ 6521.138550][ T10] __sys_sendmsg+0xcd/0x170 [ 6521.138550][ T10] do_syscall_64+0xc6/0x1e0 [ 6521.138550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6521.138550][ T10] [ 6521.140771][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6521.140771][ T10] netdev_get_by_index+0x5e/0x80 [ 6521.140771][ T10] fib6_nh_init+0x3d8/0x1580 [ 6521.140771][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6521.140771][ T10] ip6_route_add+0x1c/0x140 [ 6521.140771][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6521.140771][ T10] addrconf_add_dev+0xe2/0x170 [ 6521.140771][ T10] inet6_addr_add+0x12f/0xa40 [ 6521.140771][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6521.140771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6521.140771][ T10] netlink_rcv_skb+0x130/0x360 [ 6521.140771][ T10] netlink_unicast+0x449/0x710 [ 6521.140771][ T10] netlink_sendmsg+0x723/0xbe0 [ 6521.140771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6521.140771][ T10] ___sys_sendmsg+0xee/0x170 [ 6521.140771][ T10] __sys_sendmsg+0xcd/0x170 [ 6521.140771][ T10] do_syscall_64+0xc6/0x1e0 [ 6521.140771][ T10] [ 6521.142946][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6521.142946][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6521.142946][ T10] ipv6_find_idev+0x102/0x170 [ 6521.142946][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6521.142946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6521.142946][ T10] netlink_rcv_skb+0x130/0x360 [ 6521.142946][ T10] netlink_unicast+0x449/0x710 [ 6521.142946][ T10] netlink_sendmsg+0x723/0xbe0 [ 6521.142946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6521.142946][ T10] ___sys_sendmsg+0xee/0x170 [ 6521.142946][ T10] __sys_sendmsg+0xcd/0x170 [ 6521.142946][ T10] do_syscall_64+0xc6/0x1e0 [ 6521.142946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6521.142946][ T10] [ 6521.144652][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6521.144652][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6521.144652][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6521.144652][ T10] ipv6_find_idev+0x102/0x170 [ 6521.144652][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6521.144652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6521.144652][ T10] netlink_rcv_skb+0x130/0x360 [ 6521.144652][ T10] netlink_unicast+0x449/0x710 [ 6521.144652][ T10] netlink_sendmsg+0x723/0xbe0 [ 6521.144652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6521.144652][ T10] ___sys_sendmsg+0xee/0x170 [ 6521.144652][ T10] __sys_sendmsg+0xcd/0x170 [ 6521.144652][ T10] do_syscall_64+0xc6/0x1e0 [ 6521.144652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6521.144652][ T10] [ 6521.146528][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6521.146785][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6521.146785][ T10] netdev_get_by_index+0x5e/0x80 [ 6521.146785][ T10] fib6_nh_init+0x3d8/0x1580 [ 6521.146785][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6521.146785][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6521.146785][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6521.146785][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6521.146785][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6521.146785][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6521.146785][ T10] addrconf_dad_begin+0x310/0x670 [ 6521.146785][ T10] addrconf_dad_work+0x10b/0xab0 [ 6521.146785][ T10] process_one_work+0x84d/0x18a0 [ 6521.146785][ T10] worker_thread+0x587/0xd30 [ 6521.146785][ T10] kthread+0x28a/0x350 [ 6521.146785][ T10] ret_from_fork+0x31/0x70 [ 6521.146785][ T10] ret_from_fork_asm+0x1a/0x30 [ 6521.146785][ T10] [ 6521.148921][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6521.148921][ T10] netdev_get_by_index+0x5e/0x80 [ 6521.148921][ T10] fib6_nh_init+0x3d8/0x1580 [ 6521.148921][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6521.148921][ T10] ip6_route_add+0x1c/0x140 [ 6521.148921][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6521.148921][ T10] inet6_addr_add+0x4f8/0xa40 [ 6521.148921][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6521.148921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6521.148921][ T10] netlink_rcv_skb+0x130/0x360 [ 6521.148921][ T10] netlink_unicast+0x449/0x710 [ 6521.148921][ T10] netlink_sendmsg+0x723/0xbe0 [ 6521.148921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6521.148921][ T10] ___sys_sendmsg+0xee/0x170 [ 6521.148921][ T10] __sys_sendmsg+0xcd/0x170 [ 6521.148921][ T10] do_syscall_64+0xc6/0x1e0 [ 6521.148921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6521.148921][ T10] [ 6521.151316][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6521.151316][ T10] netdev_get_by_index+0x5e/0x80 [ 6521.151316][ T10] fib6_nh_init+0x3d8/0x1580 [ 6521.151316][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6521.151316][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6521.151316][ T10] ipv6_add_addr+0x411/0x2000 [ 6521.151316][ T10] inet6_addr_add+0x30e/0xa40 [ 6521.151316][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6521.151316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6521.151316][ T10] netlink_rcv_skb+0x130/0x360 [ 6521.151316][ T10] netlink_unicast+0x449/0x710 [ 6521.151316][ T10] netlink_sendmsg+0x723/0xbe0 [ 6521.151316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6521.151316][ T10] ___sys_sendmsg+0xee/0x170 [ 6521.151316][ T10] __sys_sendmsg+0xcd/0x170 [ 6521.151316][ T10] do_syscall_64+0xc6/0x1e0 [ 6521.151316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6521.151316][ T10] [ 6521.153828][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6521.153828][ T10] netdev_get_by_index+0x5e/0x80 [ 6521.153828][ T10] fib6_nh_init+0x3d8/0x1580 [ 6521.153828][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6521.153828][ T10] ip6_route_add+0x1c/0x140 [ 6521.153828][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6521.153828][ T10] addrconf_add_dev+0xe2/0x170 [ 6521.153828][ T10] inet6_addr_add+0x12f/0xa40 [ 6521.153828][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6521.153828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6521.153828][ T10] netlink_rcv_skb+0x130/0x360 [ 6521.153828][ T10] netlink_unicast+0x449/0x710 [ 6521.153828][ T10] netlink_sendmsg+0x723/0xbe0 [ 6521.153828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6521.153828][ T10] ___sys_sendmsg+0xee/0x170 [ 6521.153828][ T10] __sys_sendmsg+0xcd/0x170 [ 6521.153828][ T10] do_syscall_64+0xc6/0x1e0 [ 6521.153828][ T10] [ 6521.156181][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6521.156181][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6521.156181][ T10] ipv6_find_idev+0x102/0x170 [ 6521.156181][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6521.156181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6521.156181][ T10] netlink_rcv_skb+0x130/0x360 [ 6521.156181][ T10] netlink_unicast+0x449/0x710 [ 6521.156181][ T10] netlink_sendmsg+0x723/0xbe0 [ 6521.156181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6521.156181][ T10] ___sys_sendmsg+0xee/0x170 [ 6521.156181][ T10] __sys_sendmsg+0xcd/0x170 [ 6521.156181][ T10] do_syscall_64+0xc6/0x1e0 [ 6521.156181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6521.156181][ T10] [ 6521.158060][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6521.158060][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6521.158060][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6521.158060][ T10] ipv6_find_idev+0x102/0x170 [ 6521.158060][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6521.158060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6521.158060][ T10] netlink_rcv_skb+0x130/0x360 [ 6521.158060][ T10] netlink_unicast+0x449/0x710 [ 6521.158060][ T10] netlink_sendmsg+0x723/0xbe0 [ 6521.158060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6521.158060][ T10] ___sys_sendmsg+0xee/0x170 [ 6521.158060][ T10] __sys_sendmsg+0xcd/0x170 [ 6521.158060][ T10] do_syscall_64+0xc6/0x1e0 [ 6521.158060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6521.158060][ T10] [ 6521.160163][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6521.160418][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6521.160418][ T10] netdev_get_by_index+0x5e/0x80 [ 6521.160418][ T10] fib6_nh_init+0x3d8/0x1580 [ 6521.160418][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6521.160418][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6521.160418][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6521.160418][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6521.160418][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6521.160418][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6521.160418][ T10] addrconf_dad_begin+0x310/0x670 [ 6521.160418][ T10] addrconf_dad_work+0x10b/0xab0 [ 6521.160418][ T10] process_one_work+0x84d/0x18a0 [ 6521.160418][ T10] worker_thread+0x587/0xd30 [ 6521.160418][ T10] kthread+0x28a/0x350 [ 6521.160418][ T10] ret_from_fork+0x31/0x70 [ 6521.160418][ T10] ret_from_fork_asm+0x1a/0x30 [ 6521.160418][ T10] [ 6521.162835][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6521.162835][ T10] netdev_get_by_index+0x5e/0x80 [ 6521.162835][ T10] fib6_nh_init+0x3d8/0x1580 [ 6521.162835][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6521.162835][ T10] ip6_route_add+0x1c/0x140 [ 6521.162835][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6521.162835][ T10] inet6_addr_add+0x4f8/0xa40 [ 6521.162835][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6521.162835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6521.162835][ T10] netlink_rcv_skb+0x130/0x360 [ 6521.162835][ T10] netlink_unicast+0x449/0x710 [ 6521.162835][ T10] netlink_sendmsg+0x723/0xbe0 [ 6521.162835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6521.162835][ T10] ___sys_sendmsg+0xee/0x170 [ 6521.162835][ T10] __sys_sendmsg+0xcd/0x170 [ 6521.162835][ T10] do_syscall_64+0xc6/0x1e0 [ 6521.162835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6521.162835][ T10] [ 6521.165212][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6521.165212][ T10] netdev_get_by_index+0x5e/0x80 [ 6521.165212][ T10] fib6_nh_init+0x3d8/0x1580 [ 6521.165212][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6521.165212][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6521.165212][ T10] ipv6_add_addr+0x411/0x2000 [ 6521.165212][ T10] inet6_addr_add+0x30e/0xa40 [ 6521.165212][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6521.165212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6521.165212][ T10] netlink_rcv_skb+0x130/0x360 [ 6521.165212][ T10] netlink_unicast+0x449/0x710 [ 6521.165212][ T10] netlink_sendmsg+0x723/0xbe0 [ 6521.165212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6521.165212][ T10] ___sys_sendmsg+0xee/0x170 [ 6521.165212][ T10] __sys_sendmsg+0xcd/0x170 [ 6521.165212][ T10] do_syscall_64+0xc6/0x1e0 [ 6521.165212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6521.165212][ T10] [ 6521.167656][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6521.167656][ T10] netdev_get_by_index+0x5e/0x80 [ 6521.167656][ T10] fib6_nh_init+0x3d8/0x1580 [ 6521.167656][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6521.167656][ T10] ip6_route_add+0x1c/0x140 [ 6521.167656][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6521.167656][ T10] addrconf_add_dev+0xe2/0x170 [ 6521.167656][ T10] inet6_addr_add+0x12f/0xa40 [ 6521.167656][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6521.167656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6521.167656][ T10] netlink_rcv_skb+0x130/0x360 [ 6521.167656][ T10] netlink_unicast+0x449/0x710 [ 6521.167656][ T10] netlink_sendmsg+0x723/0xbe0 [ 6521.167656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6521.167656][ T10] ___sys_sendmsg+0xee/0x170 [ 6521.167656][ T10] __sys_sendmsg+0xcd/0x170 [ 6521.167656][ T10] do_syscall_64+0xc6/0x1e0 [ 6521.167656][ T10] [ 6521.170061][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6521.170061][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6521.170061][ T10] ipv6_find_idev+0x102/0x170 [ 6521.170061][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6521.170061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6521.170061][ T10] netlink_rcv_skb+0x130/0x360 [ 6521.170061][ T10] netlink_unicast+0x449/0x710 [ 6521.170061][ T10] netlink_sendmsg+0x723/0xbe0 [ 6521.170061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6521.170061][ T10] ___sys_sendmsg+0xee/0x170 [ 6521.170061][ T10] __sys_sendmsg+0xcd/0x170 [ 6521.170061][ T10] do_syscall_64+0xc6/0x1e0 [ 6521.170061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6521.170061][ T10] [ 6521.171938][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6521.171938][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6521.171938][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6521.171938][ T10] ipv6_find_idev+0x102/0x170 [ 6521.171938][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6521.171938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6521.171938][ T10] netlink_rcv_skb+0x130/0x360 [ 6521.171938][ T10] netlink_unicast+0x449/0x710 [ 6521.171938][ T10] netlink_sendmsg+0x723/0xbe0 [ 6521.171938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6521.171938][ T10] ___sys_sendmsg+0xee/0x170 [ 6521.171938][ T10] __sys_sendmsg+0xcd/0x170 [ 6521.171938][ T10] do_syscall_64+0xc6/0x1e0 [ 6521.171938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6521.171938][ T10] [ 6528.825101][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6528.825599][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6528.825599][ T1167] dst_init+0x84/0x4a0 [ 6528.825599][ T1167] dst_alloc+0x97/0x150 [ 6528.825599][ T1167] ip6_dst_alloc+0x23/0x90 [ 6528.825599][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6528.825599][ T1167] ip6_pol_route+0x56f/0x840 [ 6528.825599][ T1167] fib6_rule_lookup+0x334/0x630 [ 6528.825599][ T1167] ip6_route_output_flags+0x259/0x480 [ 6528.825599][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6528.825599][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6528.825599][ T1167] netlink_rcv_skb+0x130/0x360 [ 6528.825599][ T1167] netlink_unicast+0x449/0x710 [ 6528.825599][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6528.825599][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6528.825599][ T1167] ___sys_sendmsg+0xee/0x170 [ 6528.825599][ T1167] __sys_sendmsg+0xcd/0x170 [ 6528.825599][ T1167] do_syscall_64+0xc6/0x1e0 [ 6528.825599][ T1167] [ 6528.828031][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6528.828031][ T1167] netdev_get_by_index+0x5e/0x80 [ 6528.828031][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6528.828031][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6528.828031][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6528.828031][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6528.828031][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6528.828031][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6528.828031][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6528.828031][ T1167] addrconf_dad_begin+0x310/0x670 [ 6528.828031][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6528.828031][ T1167] process_one_work+0x84d/0x18a0 [ 6528.828031][ T1167] worker_thread+0x587/0xd30 [ 6528.828031][ T1167] kthread+0x28a/0x350 [ 6528.828031][ T1167] ret_from_fork+0x31/0x70 [ 6528.828031][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6528.828031][ T1167] [ 6528.830389][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6528.830389][ T1167] netdev_get_by_index+0x5e/0x80 [ 6528.830389][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6528.830389][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6528.830389][ T1167] ip6_route_add+0x1c/0x140 [ 6528.830389][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6528.830389][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6528.830389][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6528.830389][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6528.830389][ T1167] netlink_rcv_skb+0x130/0x360 [ 6528.830389][ T1167] netlink_unicast+0x449/0x710 [ 6528.830389][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6528.830389][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6528.830389][ T1167] ___sys_sendmsg+0xee/0x170 [ 6528.830389][ T1167] __sys_sendmsg+0xcd/0x170 [ 6528.830389][ T1167] do_syscall_64+0xc6/0x1e0 [ 6528.830389][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6528.830389][ T1167] [ 6528.832852][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6528.832852][ T1167] netdev_get_by_index+0x5e/0x80 [ 6528.832852][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6528.832852][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6528.832852][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6528.832852][ T1167] ipv6_add_addr+0x411/0x2000 [ 6528.832852][ T1167] inet6_addr_add+0x30e/0xa40 [ 6528.832852][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6528.832852][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6528.832852][ T1167] netlink_rcv_skb+0x130/0x360 [ 6528.832852][ T1167] netlink_unicast+0x449/0x710 [ 6528.832852][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6528.832852][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6528.832852][ T1167] ___sys_sendmsg+0xee/0x170 [ 6528.832852][ T1167] __sys_sendmsg+0xcd/0x170 [ 6528.832852][ T1167] do_syscall_64+0xc6/0x1e0 [ 6528.832852][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6528.832852][ T1167] [ 6528.835329][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6528.835329][ T1167] netdev_get_by_index+0x5e/0x80 [ 6528.835329][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6528.835329][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6528.835329][ T1167] ip6_route_add+0x1c/0x140 [ 6528.835329][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6528.835329][ T1167] addrconf_add_dev+0xe2/0x170 [ 6528.835329][ T1167] inet6_addr_add+0x12f/0xa40 [ 6528.835329][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6528.835329][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6528.835329][ T1167] netlink_rcv_skb+0x130/0x360 [ 6528.835329][ T1167] netlink_unicast+0x449/0x710 [ 6528.835329][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6528.835329][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6528.835329][ T1167] ___sys_sendmsg+0xee/0x170 [ 6528.835329][ T1167] __sys_sendmsg+0xcd/0x170 [ 6528.835329][ T1167] do_syscall_64+0xc6/0x1e0 [ 6528.835329][ T1167] [ 6528.837763][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6528.837763][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6528.837763][ T1167] ipv6_find_idev+0x102/0x170 [ 6528.837763][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6528.837763][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6528.837763][ T1167] netlink_rcv_skb+0x130/0x360 [ 6528.837763][ T1167] netlink_unicast+0x449/0x710 [ 6528.837763][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6528.837763][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6528.837763][ T1167] ___sys_sendmsg+0xee/0x170 [ 6528.837763][ T1167] __sys_sendmsg+0xcd/0x170 [ 6528.837763][ T1167] do_syscall_64+0xc6/0x1e0 [ 6528.837763][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6528.837763][ T1167] [ 6528.839664][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6528.839664][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6528.839664][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6528.839664][ T1167] ipv6_find_idev+0x102/0x170 [ 6528.839664][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6528.839664][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6528.839664][ T1167] netlink_rcv_skb+0x130/0x360 [ 6528.839664][ T1167] netlink_unicast+0x449/0x710 [ 6528.839664][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6528.839664][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6528.839664][ T1167] ___sys_sendmsg+0xee/0x170 [ 6528.839664][ T1167] __sys_sendmsg+0xcd/0x170 [ 6528.839664][ T1167] do_syscall_64+0xc6/0x1e0 [ 6528.839664][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6528.839664][ T1167] [ 6531.417123][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6531.417555][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6531.417555][ T10] netdev_get_by_index+0x5e/0x80 [ 6531.417555][ T10] fib6_nh_init+0x3d8/0x1580 [ 6531.417555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6531.417555][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6531.417555][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6531.417555][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6531.417555][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6531.417555][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6531.417555][ T10] addrconf_dad_begin+0x310/0x670 [ 6531.417555][ T10] addrconf_dad_work+0x10b/0xab0 [ 6531.417555][ T10] process_one_work+0x84d/0x18a0 [ 6531.417555][ T10] worker_thread+0x587/0xd30 [ 6531.417555][ T10] kthread+0x28a/0x350 [ 6531.417555][ T10] ret_from_fork+0x31/0x70 [ 6531.417555][ T10] ret_from_fork_asm+0x1a/0x30 [ 6531.417555][ T10] [ 6531.419721][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6531.419721][ T10] netdev_get_by_index+0x5e/0x80 [ 6531.419721][ T10] fib6_nh_init+0x3d8/0x1580 [ 6531.419721][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6531.419721][ T10] ip6_route_add+0x1c/0x140 [ 6531.419721][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6531.419721][ T10] inet6_addr_add+0x4f8/0xa40 [ 6531.419721][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6531.419721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6531.419721][ T10] netlink_rcv_skb+0x130/0x360 [ 6531.419721][ T10] netlink_unicast+0x449/0x710 [ 6531.419721][ T10] netlink_sendmsg+0x723/0xbe0 [ 6531.419721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6531.419721][ T10] ___sys_sendmsg+0xee/0x170 [ 6531.419721][ T10] __sys_sendmsg+0xcd/0x170 [ 6531.419721][ T10] do_syscall_64+0xc6/0x1e0 [ 6531.419721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6531.419721][ T10] [ 6531.421940][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6531.421940][ T10] netdev_get_by_index+0x5e/0x80 [ 6531.421940][ T10] fib6_nh_init+0x3d8/0x1580 [ 6531.421940][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6531.421940][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6531.421940][ T10] ipv6_add_addr+0x411/0x2000 [ 6531.421940][ T10] inet6_addr_add+0x30e/0xa40 [ 6531.421940][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6531.421940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6531.421940][ T10] netlink_rcv_skb+0x130/0x360 [ 6531.421940][ T10] netlink_unicast+0x449/0x710 [ 6531.421940][ T10] netlink_sendmsg+0x723/0xbe0 [ 6531.421940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6531.421940][ T10] ___sys_sendmsg+0xee/0x170 [ 6531.421940][ T10] __sys_sendmsg+0xcd/0x170 [ 6531.421940][ T10] do_syscall_64+0xc6/0x1e0 [ 6531.421940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6531.421940][ T10] [ 6531.424169][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6531.424169][ T10] netdev_get_by_index+0x5e/0x80 [ 6531.424169][ T10] fib6_nh_init+0x3d8/0x1580 [ 6531.424169][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6531.424169][ T10] ip6_route_add+0x1c/0x140 [ 6531.424169][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6531.424169][ T10] addrconf_add_dev+0xe2/0x170 [ 6531.424169][ T10] inet6_addr_add+0x12f/0xa40 [ 6531.424169][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6531.424169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6531.424169][ T10] netlink_rcv_skb+0x130/0x360 [ 6531.424169][ T10] netlink_unicast+0x449/0x710 [ 6531.424169][ T10] netlink_sendmsg+0x723/0xbe0 [ 6531.424169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6531.424169][ T10] ___sys_sendmsg+0xee/0x170 [ 6531.424169][ T10] __sys_sendmsg+0xcd/0x170 [ 6531.424169][ T10] do_syscall_64+0xc6/0x1e0 [ 6531.424169][ T10] [ 6531.426359][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6531.426359][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6531.426359][ T10] ipv6_find_idev+0x102/0x170 [ 6531.426359][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6531.426359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6531.426359][ T10] netlink_rcv_skb+0x130/0x360 [ 6531.426359][ T10] netlink_unicast+0x449/0x710 [ 6531.426359][ T10] netlink_sendmsg+0x723/0xbe0 [ 6531.426359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6531.426359][ T10] ___sys_sendmsg+0xee/0x170 [ 6531.426359][ T10] __sys_sendmsg+0xcd/0x170 [ 6531.426359][ T10] do_syscall_64+0xc6/0x1e0 [ 6531.426359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6531.426359][ T10] [ 6531.428071][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6531.428071][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6531.428071][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6531.428071][ T10] ipv6_find_idev+0x102/0x170 [ 6531.428071][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6531.428071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6531.428071][ T10] netlink_rcv_skb+0x130/0x360 [ 6531.428071][ T10] netlink_unicast+0x449/0x710 [ 6531.428071][ T10] netlink_sendmsg+0x723/0xbe0 [ 6531.428071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6531.428071][ T10] ___sys_sendmsg+0xee/0x170 [ 6531.428071][ T10] __sys_sendmsg+0xcd/0x170 [ 6531.428071][ T10] do_syscall_64+0xc6/0x1e0 [ 6531.428071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6531.428071][ T10] [ 6531.429932][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6531.430206][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6531.430206][ T10] netdev_get_by_index+0x5e/0x80 [ 6531.430206][ T10] fib6_nh_init+0x3d8/0x1580 [ 6531.430206][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6531.430206][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6531.430206][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6531.430206][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6531.430206][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6531.430206][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6531.430206][ T10] addrconf_dad_begin+0x310/0x670 [ 6531.430206][ T10] addrconf_dad_work+0x10b/0xab0 [ 6531.430206][ T10] process_one_work+0x84d/0x18a0 [ 6531.430206][ T10] worker_thread+0x587/0xd30 [ 6531.430206][ T10] kthread+0x28a/0x350 [ 6531.430206][ T10] ret_from_fork+0x31/0x70 [ 6531.430206][ T10] ret_from_fork_asm+0x1a/0x30 [ 6531.430206][ T10] [ 6531.432319][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6531.432319][ T10] netdev_get_by_index+0x5e/0x80 [ 6531.432319][ T10] fib6_nh_init+0x3d8/0x1580 [ 6531.432319][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6531.432319][ T10] ip6_route_add+0x1c/0x140 [ 6531.432319][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6531.432319][ T10] inet6_addr_add+0x4f8/0xa40 [ 6531.432319][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6531.432319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6531.432319][ T10] netlink_rcv_skb+0x130/0x360 [ 6531.432319][ T10] netlink_unicast+0x449/0x710 [ 6531.432319][ T10] netlink_sendmsg+0x723/0xbe0 [ 6531.432319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6531.432319][ T10] ___sys_sendmsg+0xee/0x170 [ 6531.432319][ T10] __sys_sendmsg+0xcd/0x170 [ 6531.432319][ T10] do_syscall_64+0xc6/0x1e0 [ 6531.432319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6531.432319][ T10] [ 6531.434530][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6531.434530][ T10] netdev_get_by_index+0x5e/0x80 [ 6531.434530][ T10] fib6_nh_init+0x3d8/0x1580 [ 6531.434530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6531.434530][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6531.434530][ T10] ipv6_add_addr+0x411/0x2000 [ 6531.434530][ T10] inet6_addr_add+0x30e/0xa40 [ 6531.434530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6531.434530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6531.434530][ T10] netlink_rcv_skb+0x130/0x360 [ 6531.434530][ T10] netlink_unicast+0x449/0x710 [ 6531.434530][ T10] netlink_sendmsg+0x723/0xbe0 [ 6531.434530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6531.434530][ T10] ___sys_sendmsg+0xee/0x170 [ 6531.434530][ T10] __sys_sendmsg+0xcd/0x170 [ 6531.434530][ T10] do_syscall_64+0xc6/0x1e0 [ 6531.434530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6531.434530][ T10] [ 6531.436733][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6531.436733][ T10] netdev_get_by_index+0x5e/0x80 [ 6531.436733][ T10] fib6_nh_init+0x3d8/0x1580 [ 6531.436733][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6531.436733][ T10] ip6_route_add+0x1c/0x140 [ 6531.436733][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6531.436733][ T10] addrconf_add_dev+0xe2/0x170 [ 6531.436733][ T10] inet6_addr_add+0x12f/0xa40 [ 6531.436733][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6531.436733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6531.436733][ T10] netlink_rcv_skb+0x130/0x360 [ 6531.436733][ T10] netlink_unicast+0x449/0x710 [ 6531.436733][ T10] netlink_sendmsg+0x723/0xbe0 [ 6531.436733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6531.436733][ T10] ___sys_sendmsg+0xee/0x170 [ 6531.436733][ T10] __sys_sendmsg+0xcd/0x170 [ 6531.436733][ T10] do_syscall_64+0xc6/0x1e0 [ 6531.436733][ T10] [ 6531.438930][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6531.438930][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6531.438930][ T10] ipv6_find_idev+0x102/0x170 [ 6531.438930][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6531.438930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6531.438930][ T10] netlink_rcv_skb+0x130/0x360 [ 6531.438930][ T10] netlink_unicast+0x449/0x710 [ 6531.438930][ T10] netlink_sendmsg+0x723/0xbe0 [ 6531.438930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6531.438930][ T10] ___sys_sendmsg+0xee/0x170 [ 6531.438930][ T10] __sys_sendmsg+0xcd/0x170 [ 6531.438930][ T10] do_syscall_64+0xc6/0x1e0 [ 6531.438930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6531.438930][ T10] [ 6531.440633][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6531.440633][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6531.440633][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6531.440633][ T10] ipv6_find_idev+0x102/0x170 [ 6531.440633][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6531.440633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6531.440633][ T10] netlink_rcv_skb+0x130/0x360 [ 6531.440633][ T10] netlink_unicast+0x449/0x710 [ 6531.440633][ T10] netlink_sendmsg+0x723/0xbe0 [ 6531.440633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6531.440633][ T10] ___sys_sendmsg+0xee/0x170 [ 6531.440633][ T10] __sys_sendmsg+0xcd/0x170 [ 6531.440633][ T10] do_syscall_64+0xc6/0x1e0 [ 6531.440633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6531.440633][ T10] [ 6531.442501][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6531.442758][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6531.442758][ T10] netdev_get_by_index+0x5e/0x80 [ 6531.442758][ T10] fib6_nh_init+0x3d8/0x1580 [ 6531.442758][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6531.442758][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6531.442758][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6531.442758][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6531.442758][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6531.442758][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6531.442758][ T10] addrconf_dad_begin+0x310/0x670 [ 6531.442758][ T10] addrconf_dad_work+0x10b/0xab0 [ 6531.442758][ T10] process_one_work+0x84d/0x18a0 [ 6531.442758][ T10] worker_thread+0x587/0xd30 [ 6531.442758][ T10] kthread+0x28a/0x350 [ 6531.442758][ T10] ret_from_fork+0x31/0x70 [ 6531.442758][ T10] ret_from_fork_asm+0x1a/0x30 [ 6531.442758][ T10] [ 6531.444869][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6531.444869][ T10] netdev_get_by_index+0x5e/0x80 [ 6531.444869][ T10] fib6_nh_init+0x3d8/0x1580 [ 6531.444869][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6531.444869][ T10] ip6_route_add+0x1c/0x140 [ 6531.444869][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6531.444869][ T10] inet6_addr_add+0x4f8/0xa40 [ 6531.444869][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6531.444869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6531.444869][ T10] netlink_rcv_skb+0x130/0x360 [ 6531.444869][ T10] netlink_unicast+0x449/0x710 [ 6531.444869][ T10] netlink_sendmsg+0x723/0xbe0 [ 6531.444869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6531.444869][ T10] ___sys_sendmsg+0xee/0x170 [ 6531.444869][ T10] __sys_sendmsg+0xcd/0x170 [ 6531.444869][ T10] do_syscall_64+0xc6/0x1e0 [ 6531.444869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6531.444869][ T10] [ 6531.447279][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6531.447279][ T10] netdev_get_by_index+0x5e/0x80 [ 6531.447279][ T10] fib6_nh_init+0x3d8/0x1580 [ 6531.447279][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6531.447279][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6531.447279][ T10] ipv6_add_addr+0x411/0x2000 [ 6531.447279][ T10] inet6_addr_add+0x30e/0xa40 [ 6531.447279][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6531.447279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6531.447279][ T10] netlink_rcv_skb+0x130/0x360 [ 6531.447279][ T10] netlink_unicast+0x449/0x710 [ 6531.447279][ T10] netlink_sendmsg+0x723/0xbe0 [ 6531.447279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6531.447279][ T10] ___sys_sendmsg+0xee/0x170 [ 6531.447279][ T10] __sys_sendmsg+0xcd/0x170 [ 6531.447279][ T10] do_syscall_64+0xc6/0x1e0 [ 6531.447279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6531.447279][ T10] [ 6531.449793][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6531.449793][ T10] netdev_get_by_index+0x5e/0x80 [ 6531.449793][ T10] fib6_nh_init+0x3d8/0x1580 [ 6531.449793][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6531.449793][ T10] ip6_route_add+0x1c/0x140 [ 6531.449793][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6531.449793][ T10] addrconf_add_dev+0xe2/0x170 [ 6531.449793][ T10] inet6_addr_add+0x12f/0xa40 [ 6531.449793][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6531.449793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6531.449793][ T10] netlink_rcv_skb+0x130/0x360 [ 6531.449793][ T10] netlink_unicast+0x449/0x710 [ 6531.449793][ T10] netlink_sendmsg+0x723/0xbe0 [ 6531.449793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6531.449793][ T10] ___sys_sendmsg+0xee/0x170 [ 6531.449793][ T10] __sys_sendmsg+0xcd/0x170 [ 6531.449793][ T10] do_syscall_64+0xc6/0x1e0 [ 6531.449793][ T10] [ 6531.452146][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6531.452146][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6531.452146][ T10] ipv6_find_idev+0x102/0x170 [ 6531.452146][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6531.452146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6531.452146][ T10] netlink_rcv_skb+0x130/0x360 [ 6531.452146][ T10] netlink_unicast+0x449/0x710 [ 6531.452146][ T10] netlink_sendmsg+0x723/0xbe0 [ 6531.452146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6531.452146][ T10] ___sys_sendmsg+0xee/0x170 [ 6531.452146][ T10] __sys_sendmsg+0xcd/0x170 [ 6531.452146][ T10] do_syscall_64+0xc6/0x1e0 [ 6531.452146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6531.452146][ T10] [ 6531.454021][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6531.454021][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6531.454021][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6531.454021][ T10] ipv6_find_idev+0x102/0x170 [ 6531.454021][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6531.454021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6531.454021][ T10] netlink_rcv_skb+0x130/0x360 [ 6531.454021][ T10] netlink_unicast+0x449/0x710 [ 6531.454021][ T10] netlink_sendmsg+0x723/0xbe0 [ 6531.454021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6531.454021][ T10] ___sys_sendmsg+0xee/0x170 [ 6531.454021][ T10] __sys_sendmsg+0xcd/0x170 [ 6531.454021][ T10] do_syscall_64+0xc6/0x1e0 [ 6531.454021][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6531.454021][ T10] [ 6531.456137][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6531.456392][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6531.456392][ T10] netdev_get_by_index+0x5e/0x80 [ 6531.456392][ T10] fib6_nh_init+0x3d8/0x1580 [ 6531.456392][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6531.456392][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6531.456392][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6531.456392][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6531.456392][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6531.456392][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6531.456392][ T10] addrconf_dad_begin+0x310/0x670 [ 6531.456392][ T10] addrconf_dad_work+0x10b/0xab0 [ 6531.456392][ T10] process_one_work+0x84d/0x18a0 [ 6531.456392][ T10] worker_thread+0x587/0xd30 [ 6531.456392][ T10] kthread+0x28a/0x350 [ 6531.456392][ T10] ret_from_fork+0x31/0x70 [ 6531.456392][ T10] ret_from_fork_asm+0x1a/0x30 [ 6531.456392][ T10] [ 6531.458825][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6531.458825][ T10] netdev_get_by_index+0x5e/0x80 [ 6531.458825][ T10] fib6_nh_init+0x3d8/0x1580 [ 6531.458825][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6531.458825][ T10] ip6_route_add+0x1c/0x140 [ 6531.458825][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6531.458825][ T10] inet6_addr_add+0x4f8/0xa40 [ 6531.458825][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6531.458825][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6531.458825][ T10] netlink_rcv_skb+0x130/0x360 [ 6531.458825][ T10] netlink_unicast+0x449/0x710 [ 6531.458825][ T10] netlink_sendmsg+0x723/0xbe0 [ 6531.458825][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6531.458825][ T10] ___sys_sendmsg+0xee/0x170 [ 6531.458825][ T10] __sys_sendmsg+0xcd/0x170 [ 6531.458825][ T10] do_syscall_64+0xc6/0x1e0 [ 6531.458825][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6531.458825][ T10] [ 6531.461207][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6531.461207][ T10] netdev_get_by_index+0x5e/0x80 [ 6531.461207][ T10] fib6_nh_init+0x3d8/0x1580 [ 6531.461207][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6531.461207][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6531.461207][ T10] ipv6_add_addr+0x411/0x2000 [ 6531.461207][ T10] inet6_addr_add+0x30e/0xa40 [ 6531.461207][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6531.461207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6531.461207][ T10] netlink_rcv_skb+0x130/0x360 [ 6531.461207][ T10] netlink_unicast+0x449/0x710 [ 6531.461207][ T10] netlink_sendmsg+0x723/0xbe0 [ 6531.461207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6531.461207][ T10] ___sys_sendmsg+0xee/0x170 [ 6531.461207][ T10] __sys_sendmsg+0xcd/0x170 [ 6531.461207][ T10] do_syscall_64+0xc6/0x1e0 [ 6531.461207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6531.461207][ T10] [ 6531.463683][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6531.463683][ T10] netdev_get_by_index+0x5e/0x80 [ 6531.463683][ T10] fib6_nh_init+0x3d8/0x1580 [ 6531.463683][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6531.463683][ T10] ip6_route_add+0x1c/0x140 [ 6531.463683][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6531.463683][ T10] addrconf_add_dev+0xe2/0x170 [ 6531.463683][ T10] inet6_addr_add+0x12f/0xa40 [ 6531.463683][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6531.463683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6531.463683][ T10] netlink_rcv_skb+0x130/0x360 [ 6531.463683][ T10] netlink_unicast+0x449/0x710 [ 6531.463683][ T10] netlink_sendmsg+0x723/0xbe0 [ 6531.463683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6531.463683][ T10] ___sys_sendmsg+0xee/0x170 [ 6531.463683][ T10] __sys_sendmsg+0xcd/0x170 [ 6531.463683][ T10] do_syscall_64+0xc6/0x1e0 [ 6531.463683][ T10] [ 6531.466094][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6531.466094][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6531.466094][ T10] ipv6_find_idev+0x102/0x170 [ 6531.466094][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6531.466094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6531.466094][ T10] netlink_rcv_skb+0x130/0x360 [ 6531.466094][ T10] netlink_unicast+0x449/0x710 [ 6531.466094][ T10] netlink_sendmsg+0x723/0xbe0 [ 6531.466094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6531.466094][ T10] ___sys_sendmsg+0xee/0x170 [ 6531.466094][ T10] __sys_sendmsg+0xcd/0x170 [ 6531.466094][ T10] do_syscall_64+0xc6/0x1e0 [ 6531.466094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6531.466094][ T10] [ 6531.467987][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6531.467987][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6531.467987][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6531.467987][ T10] ipv6_find_idev+0x102/0x170 [ 6531.467987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6531.467987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6531.467987][ T10] netlink_rcv_skb+0x130/0x360 [ 6531.467987][ T10] netlink_unicast+0x449/0x710 [ 6531.467987][ T10] netlink_sendmsg+0x723/0xbe0 [ 6531.467987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6531.467987][ T10] ___sys_sendmsg+0xee/0x170 [ 6531.467987][ T10] __sys_sendmsg+0xcd/0x170 [ 6531.467987][ T10] do_syscall_64+0xc6/0x1e0 [ 6531.467987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6531.467987][ T10] [ 6539.089110][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6539.089595][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6539.089595][ T1167] dst_init+0x84/0x4a0 [ 6539.089595][ T1167] dst_alloc+0x97/0x150 [ 6539.089595][ T1167] ip6_dst_alloc+0x23/0x90 [ 6539.089595][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6539.089595][ T1167] ip6_pol_route+0x56f/0x840 [ 6539.089595][ T1167] fib6_rule_lookup+0x334/0x630 [ 6539.089595][ T1167] ip6_route_output_flags+0x259/0x480 [ 6539.089595][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6539.089595][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6539.089595][ T1167] netlink_rcv_skb+0x130/0x360 [ 6539.089595][ T1167] netlink_unicast+0x449/0x710 [ 6539.089595][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6539.089595][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6539.089595][ T1167] ___sys_sendmsg+0xee/0x170 [ 6539.089595][ T1167] __sys_sendmsg+0xcd/0x170 [ 6539.089595][ T1167] do_syscall_64+0xc6/0x1e0 [ 6539.089595][ T1167] [ 6539.092008][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6539.092008][ T1167] netdev_get_by_index+0x5e/0x80 [ 6539.092008][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6539.092008][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6539.092008][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6539.092008][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6539.092008][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6539.092008][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6539.092008][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6539.092008][ T1167] addrconf_dad_begin+0x310/0x670 [ 6539.092008][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6539.092008][ T1167] process_one_work+0x84d/0x18a0 [ 6539.092008][ T1167] worker_thread+0x587/0xd30 [ 6539.092008][ T1167] kthread+0x28a/0x350 [ 6539.092008][ T1167] ret_from_fork+0x31/0x70 [ 6539.092008][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6539.092008][ T1167] [ 6539.094367][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6539.094367][ T1167] netdev_get_by_index+0x5e/0x80 [ 6539.094367][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6539.094367][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6539.094367][ T1167] ip6_route_add+0x1c/0x140 [ 6539.094367][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6539.094367][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6539.094367][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6539.094367][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6539.094367][ T1167] netlink_rcv_skb+0x130/0x360 [ 6539.094367][ T1167] netlink_unicast+0x449/0x710 [ 6539.094367][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6539.094367][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6539.094367][ T1167] ___sys_sendmsg+0xee/0x170 [ 6539.094367][ T1167] __sys_sendmsg+0xcd/0x170 [ 6539.094367][ T1167] do_syscall_64+0xc6/0x1e0 [ 6539.094367][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6539.094367][ T1167] [ 6539.096845][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6539.096845][ T1167] netdev_get_by_index+0x5e/0x80 [ 6539.096845][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6539.096845][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6539.096845][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6539.096845][ T1167] ipv6_add_addr+0x411/0x2000 [ 6539.096845][ T1167] inet6_addr_add+0x30e/0xa40 [ 6539.096845][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6539.096845][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6539.096845][ T1167] netlink_rcv_skb+0x130/0x360 [ 6539.096845][ T1167] netlink_unicast+0x449/0x710 [ 6539.096845][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6539.096845][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6539.096845][ T1167] ___sys_sendmsg+0xee/0x170 [ 6539.096845][ T1167] __sys_sendmsg+0xcd/0x170 [ 6539.096845][ T1167] do_syscall_64+0xc6/0x1e0 [ 6539.096845][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6539.096845][ T1167] [ 6539.099310][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6539.099310][ T1167] netdev_get_by_index+0x5e/0x80 [ 6539.099310][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6539.099310][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6539.099310][ T1167] ip6_route_add+0x1c/0x140 [ 6539.099310][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6539.099310][ T1167] addrconf_add_dev+0xe2/0x170 [ 6539.099310][ T1167] inet6_addr_add+0x12f/0xa40 [ 6539.099310][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6539.099310][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6539.099310][ T1167] netlink_rcv_skb+0x130/0x360 [ 6539.099310][ T1167] netlink_unicast+0x449/0x710 [ 6539.099310][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6539.099310][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6539.099310][ T1167] ___sys_sendmsg+0xee/0x170 [ 6539.099310][ T1167] __sys_sendmsg+0xcd/0x170 [ 6539.099310][ T1167] do_syscall_64+0xc6/0x1e0 [ 6539.099310][ T1167] [ 6539.101732][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6539.101732][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6539.101732][ T1167] ipv6_find_idev+0x102/0x170 [ 6539.101732][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6539.101732][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6539.101732][ T1167] netlink_rcv_skb+0x130/0x360 [ 6539.101732][ T1167] netlink_unicast+0x449/0x710 [ 6539.101732][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6539.101732][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6539.101732][ T1167] ___sys_sendmsg+0xee/0x170 [ 6539.101732][ T1167] __sys_sendmsg+0xcd/0x170 [ 6539.101732][ T1167] do_syscall_64+0xc6/0x1e0 [ 6539.101732][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6539.101732][ T1167] [ 6539.103635][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6539.103635][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6539.103635][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6539.103635][ T1167] ipv6_find_idev+0x102/0x170 [ 6539.103635][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6539.103635][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6539.103635][ T1167] netlink_rcv_skb+0x130/0x360 [ 6539.103635][ T1167] netlink_unicast+0x449/0x710 [ 6539.103635][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6539.103635][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6539.103635][ T1167] ___sys_sendmsg+0xee/0x170 [ 6539.103635][ T1167] __sys_sendmsg+0xcd/0x170 [ 6539.103635][ T1167] do_syscall_64+0xc6/0x1e0 [ 6539.103635][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6539.103635][ T1167] [ 6541.713113][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6541.713533][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6541.713533][ T10] netdev_get_by_index+0x5e/0x80 [ 6541.713533][ T10] fib6_nh_init+0x3d8/0x1580 [ 6541.713533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6541.713533][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6541.713533][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6541.713533][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6541.713533][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6541.713533][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6541.713533][ T10] addrconf_dad_begin+0x310/0x670 [ 6541.713533][ T10] addrconf_dad_work+0x10b/0xab0 [ 6541.713533][ T10] process_one_work+0x84d/0x18a0 [ 6541.713533][ T10] worker_thread+0x587/0xd30 [ 6541.713533][ T10] kthread+0x28a/0x350 [ 6541.713533][ T10] ret_from_fork+0x31/0x70 [ 6541.713533][ T10] ret_from_fork_asm+0x1a/0x30 [ 6541.713533][ T10] [ 6541.715663][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6541.715663][ T10] netdev_get_by_index+0x5e/0x80 [ 6541.715663][ T10] fib6_nh_init+0x3d8/0x1580 [ 6541.715663][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6541.715663][ T10] ip6_route_add+0x1c/0x140 [ 6541.715663][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6541.715663][ T10] inet6_addr_add+0x4f8/0xa40 [ 6541.715663][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6541.715663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.715663][ T10] netlink_rcv_skb+0x130/0x360 [ 6541.715663][ T10] netlink_unicast+0x449/0x710 [ 6541.715663][ T10] netlink_sendmsg+0x723/0xbe0 [ 6541.715663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6541.715663][ T10] ___sys_sendmsg+0xee/0x170 [ 6541.715663][ T10] __sys_sendmsg+0xcd/0x170 [ 6541.715663][ T10] do_syscall_64+0xc6/0x1e0 [ 6541.715663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.715663][ T10] [ 6541.717922][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6541.717922][ T10] netdev_get_by_index+0x5e/0x80 [ 6541.717922][ T10] fib6_nh_init+0x3d8/0x1580 [ 6541.717922][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6541.717922][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6541.717922][ T10] ipv6_add_addr+0x411/0x2000 [ 6541.717922][ T10] inet6_addr_add+0x30e/0xa40 [ 6541.717922][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6541.717922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.717922][ T10] netlink_rcv_skb+0x130/0x360 [ 6541.717922][ T10] netlink_unicast+0x449/0x710 [ 6541.717922][ T10] netlink_sendmsg+0x723/0xbe0 [ 6541.717922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6541.717922][ T10] ___sys_sendmsg+0xee/0x170 [ 6541.717922][ T10] __sys_sendmsg+0xcd/0x170 [ 6541.717922][ T10] do_syscall_64+0xc6/0x1e0 [ 6541.717922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.717922][ T10] [ 6541.720123][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6541.720123][ T10] netdev_get_by_index+0x5e/0x80 [ 6541.720123][ T10] fib6_nh_init+0x3d8/0x1580 [ 6541.720123][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6541.720123][ T10] ip6_route_add+0x1c/0x140 [ 6541.720123][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6541.720123][ T10] addrconf_add_dev+0xe2/0x170 [ 6541.720123][ T10] inet6_addr_add+0x12f/0xa40 [ 6541.720123][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6541.720123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.720123][ T10] netlink_rcv_skb+0x130/0x360 [ 6541.720123][ T10] netlink_unicast+0x449/0x710 [ 6541.720123][ T10] netlink_sendmsg+0x723/0xbe0 [ 6541.720123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6541.720123][ T10] ___sys_sendmsg+0xee/0x170 [ 6541.720123][ T10] __sys_sendmsg+0xcd/0x170 [ 6541.720123][ T10] do_syscall_64+0xc6/0x1e0 [ 6541.720123][ T10] [ 6541.722309][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6541.722309][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6541.722309][ T10] ipv6_find_idev+0x102/0x170 [ 6541.722309][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6541.722309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.722309][ T10] netlink_rcv_skb+0x130/0x360 [ 6541.722309][ T10] netlink_unicast+0x449/0x710 [ 6541.722309][ T10] netlink_sendmsg+0x723/0xbe0 [ 6541.722309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6541.722309][ T10] ___sys_sendmsg+0xee/0x170 [ 6541.722309][ T10] __sys_sendmsg+0xcd/0x170 [ 6541.722309][ T10] do_syscall_64+0xc6/0x1e0 [ 6541.722309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.722309][ T10] [ 6541.724023][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6541.724023][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6541.724023][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6541.724023][ T10] ipv6_find_idev+0x102/0x170 [ 6541.724023][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6541.724023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.724023][ T10] netlink_rcv_skb+0x130/0x360 [ 6541.724023][ T10] netlink_unicast+0x449/0x710 [ 6541.724023][ T10] netlink_sendmsg+0x723/0xbe0 [ 6541.724023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6541.724023][ T10] ___sys_sendmsg+0xee/0x170 [ 6541.724023][ T10] __sys_sendmsg+0xcd/0x170 [ 6541.724023][ T10] do_syscall_64+0xc6/0x1e0 [ 6541.724023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.724023][ T10] [ 6541.725893][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6541.726173][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6541.726173][ T10] netdev_get_by_index+0x5e/0x80 [ 6541.726173][ T10] fib6_nh_init+0x3d8/0x1580 [ 6541.726173][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6541.726173][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6541.726173][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6541.726173][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6541.726173][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6541.726173][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6541.726173][ T10] addrconf_dad_begin+0x310/0x670 [ 6541.726173][ T10] addrconf_dad_work+0x10b/0xab0 [ 6541.726173][ T10] process_one_work+0x84d/0x18a0 [ 6541.726173][ T10] worker_thread+0x587/0xd30 [ 6541.726173][ T10] kthread+0x28a/0x350 [ 6541.726173][ T10] ret_from_fork+0x31/0x70 [ 6541.726173][ T10] ret_from_fork_asm+0x1a/0x30 [ 6541.726173][ T10] [ 6541.728295][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6541.728295][ T10] netdev_get_by_index+0x5e/0x80 [ 6541.728295][ T10] fib6_nh_init+0x3d8/0x1580 [ 6541.728295][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6541.728295][ T10] ip6_route_add+0x1c/0x140 [ 6541.728295][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6541.728295][ T10] inet6_addr_add+0x4f8/0xa40 [ 6541.728295][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6541.728295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.728295][ T10] netlink_rcv_skb+0x130/0x360 [ 6541.728295][ T10] netlink_unicast+0x449/0x710 [ 6541.728295][ T10] netlink_sendmsg+0x723/0xbe0 [ 6541.728295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6541.728295][ T10] ___sys_sendmsg+0xee/0x170 [ 6541.728295][ T10] __sys_sendmsg+0xcd/0x170 [ 6541.728295][ T10] do_syscall_64+0xc6/0x1e0 [ 6541.728295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.728295][ T10] [ 6541.730512][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6541.730512][ T10] netdev_get_by_index+0x5e/0x80 [ 6541.730512][ T10] fib6_nh_init+0x3d8/0x1580 [ 6541.730512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6541.730512][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6541.730512][ T10] ipv6_add_addr+0x411/0x2000 [ 6541.730512][ T10] inet6_addr_add+0x30e/0xa40 [ 6541.730512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6541.730512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.730512][ T10] netlink_rcv_skb+0x130/0x360 [ 6541.730512][ T10] netlink_unicast+0x449/0x710 [ 6541.730512][ T10] netlink_sendmsg+0x723/0xbe0 [ 6541.730512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6541.730512][ T10] ___sys_sendmsg+0xee/0x170 [ 6541.730512][ T10] __sys_sendmsg+0xcd/0x170 [ 6541.730512][ T10] do_syscall_64+0xc6/0x1e0 [ 6541.730512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.730512][ T10] [ 6541.732729][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6541.732729][ T10] netdev_get_by_index+0x5e/0x80 [ 6541.732729][ T10] fib6_nh_init+0x3d8/0x1580 [ 6541.732729][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6541.732729][ T10] ip6_route_add+0x1c/0x140 [ 6541.732729][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6541.732729][ T10] addrconf_add_dev+0xe2/0x170 [ 6541.732729][ T10] inet6_addr_add+0x12f/0xa40 [ 6541.732729][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6541.732729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.732729][ T10] netlink_rcv_skb+0x130/0x360 [ 6541.732729][ T10] netlink_unicast+0x449/0x710 [ 6541.732729][ T10] netlink_sendmsg+0x723/0xbe0 [ 6541.732729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6541.732729][ T10] ___sys_sendmsg+0xee/0x170 [ 6541.732729][ T10] __sys_sendmsg+0xcd/0x170 [ 6541.732729][ T10] do_syscall_64+0xc6/0x1e0 [ 6541.732729][ T10] [ 6541.734916][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6541.734916][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6541.734916][ T10] ipv6_find_idev+0x102/0x170 [ 6541.734916][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6541.734916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.734916][ T10] netlink_rcv_skb+0x130/0x360 [ 6541.734916][ T10] netlink_unicast+0x449/0x710 [ 6541.734916][ T10] netlink_sendmsg+0x723/0xbe0 [ 6541.734916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6541.734916][ T10] ___sys_sendmsg+0xee/0x170 [ 6541.734916][ T10] __sys_sendmsg+0xcd/0x170 [ 6541.734916][ T10] do_syscall_64+0xc6/0x1e0 [ 6541.734916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.734916][ T10] [ 6541.736630][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6541.736630][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6541.736630][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6541.736630][ T10] ipv6_find_idev+0x102/0x170 [ 6541.736630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6541.736630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.736630][ T10] netlink_rcv_skb+0x130/0x360 [ 6541.736630][ T10] netlink_unicast+0x449/0x710 [ 6541.736630][ T10] netlink_sendmsg+0x723/0xbe0 [ 6541.736630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6541.736630][ T10] ___sys_sendmsg+0xee/0x170 [ 6541.736630][ T10] __sys_sendmsg+0xcd/0x170 [ 6541.736630][ T10] do_syscall_64+0xc6/0x1e0 [ 6541.736630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.736630][ T10] [ 6541.738507][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6541.738765][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6541.738765][ T10] netdev_get_by_index+0x5e/0x80 [ 6541.738765][ T10] fib6_nh_init+0x3d8/0x1580 [ 6541.738765][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6541.738765][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6541.738765][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6541.738765][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6541.738765][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6541.738765][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6541.738765][ T10] addrconf_dad_begin+0x310/0x670 [ 6541.738765][ T10] addrconf_dad_work+0x10b/0xab0 [ 6541.738765][ T10] process_one_work+0x84d/0x18a0 [ 6541.738765][ T10] worker_thread+0x587/0xd30 [ 6541.738765][ T10] kthread+0x28a/0x350 [ 6541.738765][ T10] ret_from_fork+0x31/0x70 [ 6541.738765][ T10] ret_from_fork_asm+0x1a/0x30 [ 6541.738765][ T10] [ 6541.740883][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6541.740883][ T10] netdev_get_by_index+0x5e/0x80 [ 6541.740883][ T10] fib6_nh_init+0x3d8/0x1580 [ 6541.740883][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6541.740883][ T10] ip6_route_add+0x1c/0x140 [ 6541.740883][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6541.740883][ T10] inet6_addr_add+0x4f8/0xa40 [ 6541.740883][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6541.740883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.740883][ T10] netlink_rcv_skb+0x130/0x360 [ 6541.740883][ T10] netlink_unicast+0x449/0x710 [ 6541.740883][ T10] netlink_sendmsg+0x723/0xbe0 [ 6541.740883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6541.740883][ T10] ___sys_sendmsg+0xee/0x170 [ 6541.740883][ T10] __sys_sendmsg+0xcd/0x170 [ 6541.740883][ T10] do_syscall_64+0xc6/0x1e0 [ 6541.740883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.740883][ T10] [ 6541.743289][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6541.743289][ T10] netdev_get_by_index+0x5e/0x80 [ 6541.743289][ T10] fib6_nh_init+0x3d8/0x1580 [ 6541.743289][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6541.743289][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6541.743289][ T10] ipv6_add_addr+0x411/0x2000 [ 6541.743289][ T10] inet6_addr_add+0x30e/0xa40 [ 6541.743289][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6541.743289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.743289][ T10] netlink_rcv_skb+0x130/0x360 [ 6541.743289][ T10] netlink_unicast+0x449/0x710 [ 6541.743289][ T10] netlink_sendmsg+0x723/0xbe0 [ 6541.743289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6541.743289][ T10] ___sys_sendmsg+0xee/0x170 [ 6541.743289][ T10] __sys_sendmsg+0xcd/0x170 [ 6541.743289][ T10] do_syscall_64+0xc6/0x1e0 [ 6541.743289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.743289][ T10] [ 6541.745807][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6541.745807][ T10] netdev_get_by_index+0x5e/0x80 [ 6541.745807][ T10] fib6_nh_init+0x3d8/0x1580 [ 6541.745807][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6541.745807][ T10] ip6_route_add+0x1c/0x140 [ 6541.745807][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6541.745807][ T10] addrconf_add_dev+0xe2/0x170 [ 6541.745807][ T10] inet6_addr_add+0x12f/0xa40 [ 6541.745807][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6541.745807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.745807][ T10] netlink_rcv_skb+0x130/0x360 [ 6541.745807][ T10] netlink_unicast+0x449/0x710 [ 6541.745807][ T10] netlink_sendmsg+0x723/0xbe0 [ 6541.745807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6541.745807][ T10] ___sys_sendmsg+0xee/0x170 [ 6541.745807][ T10] __sys_sendmsg+0xcd/0x170 [ 6541.745807][ T10] do_syscall_64+0xc6/0x1e0 [ 6541.745807][ T10] [ 6541.748186][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6541.748186][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6541.748186][ T10] ipv6_find_idev+0x102/0x170 [ 6541.748186][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6541.748186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.748186][ T10] netlink_rcv_skb+0x130/0x360 [ 6541.748186][ T10] netlink_unicast+0x449/0x710 [ 6541.748186][ T10] netlink_sendmsg+0x723/0xbe0 [ 6541.748186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6541.748186][ T10] ___sys_sendmsg+0xee/0x170 [ 6541.748186][ T10] __sys_sendmsg+0xcd/0x170 [ 6541.748186][ T10] do_syscall_64+0xc6/0x1e0 [ 6541.748186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.748186][ T10] [ 6541.750081][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6541.750081][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6541.750081][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6541.750081][ T10] ipv6_find_idev+0x102/0x170 [ 6541.750081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6541.750081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.750081][ T10] netlink_rcv_skb+0x130/0x360 [ 6541.750081][ T10] netlink_unicast+0x449/0x710 [ 6541.750081][ T10] netlink_sendmsg+0x723/0xbe0 [ 6541.750081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6541.750081][ T10] ___sys_sendmsg+0xee/0x170 [ 6541.750081][ T10] __sys_sendmsg+0xcd/0x170 [ 6541.750081][ T10] do_syscall_64+0xc6/0x1e0 [ 6541.750081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.750081][ T10] [ 6541.752578][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6541.752833][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6541.752833][ T10] netdev_get_by_index+0x5e/0x80 [ 6541.752833][ T10] fib6_nh_init+0x3d8/0x1580 [ 6541.752833][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6541.752833][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6541.752833][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6541.752833][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6541.752833][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6541.752833][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6541.752833][ T10] addrconf_dad_begin+0x310/0x670 [ 6541.752833][ T10] addrconf_dad_work+0x10b/0xab0 [ 6541.752833][ T10] process_one_work+0x84d/0x18a0 [ 6541.752833][ T10] worker_thread+0x587/0xd30 [ 6541.752833][ T10] kthread+0x28a/0x350 [ 6541.752833][ T10] ret_from_fork+0x31/0x70 [ 6541.752833][ T10] ret_from_fork_asm+0x1a/0x30 [ 6541.752833][ T10] [ 6541.754961][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6541.754961][ T10] netdev_get_by_index+0x5e/0x80 [ 6541.754961][ T10] fib6_nh_init+0x3d8/0x1580 [ 6541.754961][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6541.754961][ T10] ip6_route_add+0x1c/0x140 [ 6541.754961][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6541.754961][ T10] inet6_addr_add+0x4f8/0xa40 [ 6541.754961][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6541.754961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.754961][ T10] netlink_rcv_skb+0x130/0x360 [ 6541.754961][ T10] netlink_unicast+0x449/0x710 [ 6541.754961][ T10] netlink_sendmsg+0x723/0xbe0 [ 6541.754961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6541.754961][ T10] ___sys_sendmsg+0xee/0x170 [ 6541.754961][ T10] __sys_sendmsg+0xcd/0x170 [ 6541.754961][ T10] do_syscall_64+0xc6/0x1e0 [ 6541.754961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.754961][ T10] [ 6541.757306][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6541.757306][ T10] netdev_get_by_index+0x5e/0x80 [ 6541.757306][ T10] fib6_nh_init+0x3d8/0x1580 [ 6541.757306][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6541.757306][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6541.757306][ T10] ipv6_add_addr+0x411/0x2000 [ 6541.757306][ T10] inet6_addr_add+0x30e/0xa40 [ 6541.757306][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6541.757306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.757306][ T10] netlink_rcv_skb+0x130/0x360 [ 6541.757306][ T10] netlink_unicast+0x449/0x710 [ 6541.757306][ T10] netlink_sendmsg+0x723/0xbe0 [ 6541.757306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6541.757306][ T10] ___sys_sendmsg+0xee/0x170 [ 6541.757306][ T10] __sys_sendmsg+0xcd/0x170 [ 6541.757306][ T10] do_syscall_64+0xc6/0x1e0 [ 6541.757306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.757306][ T10] [ 6541.759772][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6541.759772][ T10] netdev_get_by_index+0x5e/0x80 [ 6541.759772][ T10] fib6_nh_init+0x3d8/0x1580 [ 6541.759772][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6541.759772][ T10] ip6_route_add+0x1c/0x140 [ 6541.759772][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6541.759772][ T10] addrconf_add_dev+0xe2/0x170 [ 6541.759772][ T10] inet6_addr_add+0x12f/0xa40 [ 6541.759772][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6541.759772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.759772][ T10] netlink_rcv_skb+0x130/0x360 [ 6541.759772][ T10] netlink_unicast+0x449/0x710 [ 6541.759772][ T10] netlink_sendmsg+0x723/0xbe0 [ 6541.759772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6541.759772][ T10] ___sys_sendmsg+0xee/0x170 [ 6541.759772][ T10] __sys_sendmsg+0xcd/0x170 [ 6541.759772][ T10] do_syscall_64+0xc6/0x1e0 [ 6541.759772][ T10] [ 6541.762208][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6541.762208][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6541.762208][ T10] ipv6_find_idev+0x102/0x170 [ 6541.762208][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6541.762208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.762208][ T10] netlink_rcv_skb+0x130/0x360 [ 6541.762208][ T10] netlink_unicast+0x449/0x710 [ 6541.762208][ T10] netlink_sendmsg+0x723/0xbe0 [ 6541.762208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6541.762208][ T10] ___sys_sendmsg+0xee/0x170 [ 6541.762208][ T10] __sys_sendmsg+0xcd/0x170 [ 6541.762208][ T10] do_syscall_64+0xc6/0x1e0 [ 6541.762208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.762208][ T10] [ 6541.764104][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6541.764104][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6541.764104][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6541.764104][ T10] ipv6_find_idev+0x102/0x170 [ 6541.764104][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6541.764104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6541.764104][ T10] netlink_rcv_skb+0x130/0x360 [ 6541.764104][ T10] netlink_unicast+0x449/0x710 [ 6541.764104][ T10] netlink_sendmsg+0x723/0xbe0 [ 6541.764104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6541.764104][ T10] ___sys_sendmsg+0xee/0x170 [ 6541.764104][ T10] __sys_sendmsg+0xcd/0x170 [ 6541.764104][ T10] do_syscall_64+0xc6/0x1e0 [ 6541.764104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6541.764104][ T10] [ 6549.353052][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6549.353540][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6549.353540][ T1167] dst_init+0x84/0x4a0 [ 6549.353540][ T1167] dst_alloc+0x97/0x150 [ 6549.353540][ T1167] ip6_dst_alloc+0x23/0x90 [ 6549.353540][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6549.353540][ T1167] ip6_pol_route+0x56f/0x840 [ 6549.353540][ T1167] fib6_rule_lookup+0x334/0x630 [ 6549.353540][ T1167] ip6_route_output_flags+0x259/0x480 [ 6549.353540][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6549.353540][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6549.353540][ T1167] netlink_rcv_skb+0x130/0x360 [ 6549.353540][ T1167] netlink_unicast+0x449/0x710 [ 6549.353540][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6549.353540][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6549.353540][ T1167] ___sys_sendmsg+0xee/0x170 [ 6549.353540][ T1167] __sys_sendmsg+0xcd/0x170 [ 6549.353540][ T1167] do_syscall_64+0xc6/0x1e0 [ 6549.353540][ T1167] [ 6549.355976][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6549.355976][ T1167] netdev_get_by_index+0x5e/0x80 [ 6549.355976][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6549.355976][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6549.355976][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6549.355976][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6549.355976][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6549.355976][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6549.355976][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6549.355976][ T1167] addrconf_dad_begin+0x310/0x670 [ 6549.355976][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6549.355976][ T1167] process_one_work+0x84d/0x18a0 [ 6549.355976][ T1167] worker_thread+0x587/0xd30 [ 6549.355976][ T1167] kthread+0x28a/0x350 [ 6549.355976][ T1167] ret_from_fork+0x31/0x70 [ 6549.355976][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6549.355976][ T1167] [ 6549.358339][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6549.358339][ T1167] netdev_get_by_index+0x5e/0x80 [ 6549.358339][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6549.358339][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6549.358339][ T1167] ip6_route_add+0x1c/0x140 [ 6549.358339][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6549.358339][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6549.358339][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6549.358339][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6549.358339][ T1167] netlink_rcv_skb+0x130/0x360 [ 6549.358339][ T1167] netlink_unicast+0x449/0x710 [ 6549.358339][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6549.358339][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6549.358339][ T1167] ___sys_sendmsg+0xee/0x170 [ 6549.358339][ T1167] __sys_sendmsg+0xcd/0x170 [ 6549.358339][ T1167] do_syscall_64+0xc6/0x1e0 [ 6549.358339][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6549.358339][ T1167] [ 6549.360826][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6549.360826][ T1167] netdev_get_by_index+0x5e/0x80 [ 6549.360826][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6549.360826][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6549.360826][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6549.360826][ T1167] ipv6_add_addr+0x411/0x2000 [ 6549.360826][ T1167] inet6_addr_add+0x30e/0xa40 [ 6549.360826][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6549.360826][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6549.360826][ T1167] netlink_rcv_skb+0x130/0x360 [ 6549.360826][ T1167] netlink_unicast+0x449/0x710 [ 6549.360826][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6549.360826][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6549.360826][ T1167] ___sys_sendmsg+0xee/0x170 [ 6549.360826][ T1167] __sys_sendmsg+0xcd/0x170 [ 6549.360826][ T1167] do_syscall_64+0xc6/0x1e0 [ 6549.360826][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6549.360826][ T1167] [ 6549.363306][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6549.363306][ T1167] netdev_get_by_index+0x5e/0x80 [ 6549.363306][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6549.363306][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6549.363306][ T1167] ip6_route_add+0x1c/0x140 [ 6549.363306][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6549.363306][ T1167] addrconf_add_dev+0xe2/0x170 [ 6549.363306][ T1167] inet6_addr_add+0x12f/0xa40 [ 6549.363306][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6549.363306][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6549.363306][ T1167] netlink_rcv_skb+0x130/0x360 [ 6549.363306][ T1167] netlink_unicast+0x449/0x710 [ 6549.363306][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6549.363306][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6549.363306][ T1167] ___sys_sendmsg+0xee/0x170 [ 6549.363306][ T1167] __sys_sendmsg+0xcd/0x170 [ 6549.363306][ T1167] do_syscall_64+0xc6/0x1e0 [ 6549.363306][ T1167] [ 6549.365744][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6549.365744][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6549.365744][ T1167] ipv6_find_idev+0x102/0x170 [ 6549.365744][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6549.365744][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6549.365744][ T1167] netlink_rcv_skb+0x130/0x360 [ 6549.365744][ T1167] netlink_unicast+0x449/0x710 [ 6549.365744][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6549.365744][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6549.365744][ T1167] ___sys_sendmsg+0xee/0x170 [ 6549.365744][ T1167] __sys_sendmsg+0xcd/0x170 [ 6549.365744][ T1167] do_syscall_64+0xc6/0x1e0 [ 6549.365744][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6549.365744][ T1167] [ 6549.367660][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6549.367660][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6549.367660][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6549.367660][ T1167] ipv6_find_idev+0x102/0x170 [ 6549.367660][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6549.367660][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6549.367660][ T1167] netlink_rcv_skb+0x130/0x360 [ 6549.367660][ T1167] netlink_unicast+0x449/0x710 [ 6549.367660][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6549.367660][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6549.367660][ T1167] ___sys_sendmsg+0xee/0x170 [ 6549.367660][ T1167] __sys_sendmsg+0xcd/0x170 [ 6549.367660][ T1167] do_syscall_64+0xc6/0x1e0 [ 6549.367660][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6549.367660][ T1167] [ 6552.009124][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6552.009533][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6552.009533][ T10] netdev_get_by_index+0x5e/0x80 [ 6552.009533][ T10] fib6_nh_init+0x3d8/0x1580 [ 6552.009533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6552.009533][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6552.009533][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6552.009533][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6552.009533][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6552.009533][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6552.009533][ T10] addrconf_dad_begin+0x310/0x670 [ 6552.009533][ T10] addrconf_dad_work+0x10b/0xab0 [ 6552.009533][ T10] process_one_work+0x84d/0x18a0 [ 6552.009533][ T10] worker_thread+0x587/0xd30 [ 6552.009533][ T10] kthread+0x28a/0x350 [ 6552.009533][ T10] ret_from_fork+0x31/0x70 [ 6552.009533][ T10] ret_from_fork_asm+0x1a/0x30 [ 6552.009533][ T10] [ 6552.011670][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6552.011670][ T10] netdev_get_by_index+0x5e/0x80 [ 6552.011670][ T10] fib6_nh_init+0x3d8/0x1580 [ 6552.011670][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6552.011670][ T10] ip6_route_add+0x1c/0x140 [ 6552.011670][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6552.011670][ T10] inet6_addr_add+0x4f8/0xa40 [ 6552.011670][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6552.011670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6552.011670][ T10] netlink_rcv_skb+0x130/0x360 [ 6552.011670][ T10] netlink_unicast+0x449/0x710 [ 6552.011670][ T10] netlink_sendmsg+0x723/0xbe0 [ 6552.011670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6552.011670][ T10] ___sys_sendmsg+0xee/0x170 [ 6552.011670][ T10] __sys_sendmsg+0xcd/0x170 [ 6552.011670][ T10] do_syscall_64+0xc6/0x1e0 [ 6552.011670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6552.011670][ T10] [ 6552.013895][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6552.013895][ T10] netdev_get_by_index+0x5e/0x80 [ 6552.013895][ T10] fib6_nh_init+0x3d8/0x1580 [ 6552.013895][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6552.013895][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6552.013895][ T10] ipv6_add_addr+0x411/0x2000 [ 6552.013895][ T10] inet6_addr_add+0x30e/0xa40 [ 6552.013895][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6552.013895][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6552.013895][ T10] netlink_rcv_skb+0x130/0x360 [ 6552.013895][ T10] netlink_unicast+0x449/0x710 [ 6552.013895][ T10] netlink_sendmsg+0x723/0xbe0 [ 6552.013895][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6552.013895][ T10] ___sys_sendmsg+0xee/0x170 [ 6552.013895][ T10] __sys_sendmsg+0xcd/0x170 [ 6552.013895][ T10] do_syscall_64+0xc6/0x1e0 [ 6552.013895][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6552.013895][ T10] [ 6552.016110][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6552.016110][ T10] netdev_get_by_index+0x5e/0x80 [ 6552.016110][ T10] fib6_nh_init+0x3d8/0x1580 [ 6552.016110][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6552.016110][ T10] ip6_route_add+0x1c/0x140 [ 6552.016110][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6552.016110][ T10] addrconf_add_dev+0xe2/0x170 [ 6552.016110][ T10] inet6_addr_add+0x12f/0xa40 [ 6552.016110][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6552.016110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6552.016110][ T10] netlink_rcv_skb+0x130/0x360 [ 6552.016110][ T10] netlink_unicast+0x449/0x710 [ 6552.016110][ T10] netlink_sendmsg+0x723/0xbe0 [ 6552.016110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6552.016110][ T10] ___sys_sendmsg+0xee/0x170 [ 6552.016110][ T10] __sys_sendmsg+0xcd/0x170 [ 6552.016110][ T10] do_syscall_64+0xc6/0x1e0 [ 6552.016110][ T10] [ 6552.018295][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6552.018295][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6552.018295][ T10] ipv6_find_idev+0x102/0x170 [ 6552.018295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6552.018295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6552.018295][ T10] netlink_rcv_skb+0x130/0x360 [ 6552.018295][ T10] netlink_unicast+0x449/0x710 [ 6552.018295][ T10] netlink_sendmsg+0x723/0xbe0 [ 6552.018295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6552.018295][ T10] ___sys_sendmsg+0xee/0x170 [ 6552.018295][ T10] __sys_sendmsg+0xcd/0x170 [ 6552.018295][ T10] do_syscall_64+0xc6/0x1e0 [ 6552.018295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6552.018295][ T10] [ 6552.019997][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6552.019997][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6552.019997][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6552.019997][ T10] ipv6_find_idev+0x102/0x170 [ 6552.019997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6552.019997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6552.019997][ T10] netlink_rcv_skb+0x130/0x360 [ 6552.019997][ T10] netlink_unicast+0x449/0x710 [ 6552.019997][ T10] netlink_sendmsg+0x723/0xbe0 [ 6552.019997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6552.019997][ T10] ___sys_sendmsg+0xee/0x170 [ 6552.019997][ T10] __sys_sendmsg+0xcd/0x170 [ 6552.019997][ T10] do_syscall_64+0xc6/0x1e0 [ 6552.019997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6552.019997][ T10] [ 6552.021846][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6552.022118][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6552.022118][ T10] netdev_get_by_index+0x5e/0x80 [ 6552.022118][ T10] fib6_nh_init+0x3d8/0x1580 [ 6552.022118][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6552.022118][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6552.022118][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6552.022118][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6552.022118][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6552.022118][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6552.022118][ T10] addrconf_dad_begin+0x310/0x670 [ 6552.022118][ T10] addrconf_dad_work+0x10b/0xab0 [ 6552.022118][ T10] process_one_work+0x84d/0x18a0 [ 6552.022118][ T10] worker_thread+0x587/0xd30 [ 6552.022118][ T10] kthread+0x28a/0x350 [ 6552.022118][ T10] ret_from_fork+0x31/0x70 [ 6552.022118][ T10] ret_from_fork_asm+0x1a/0x30 [ 6552.022118][ T10] [ 6552.024238][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6552.024238][ T10] netdev_get_by_index+0x5e/0x80 [ 6552.024238][ T10] fib6_nh_init+0x3d8/0x1580 [ 6552.024238][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6552.024238][ T10] ip6_route_add+0x1c/0x140 [ 6552.024238][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6552.024238][ T10] inet6_addr_add+0x4f8/0xa40 [ 6552.024238][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6552.024238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6552.024238][ T10] netlink_rcv_skb+0x130/0x360 [ 6552.024238][ T10] netlink_unicast+0x449/0x710 [ 6552.024238][ T10] netlink_sendmsg+0x723/0xbe0 [ 6552.024238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6552.024238][ T10] ___sys_sendmsg+0xee/0x170 [ 6552.024238][ T10] __sys_sendmsg+0xcd/0x170 [ 6552.024238][ T10] do_syscall_64+0xc6/0x1e0 [ 6552.024238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6552.024238][ T10] [ 6552.026441][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6552.026441][ T10] netdev_get_by_index+0x5e/0x80 [ 6552.026441][ T10] fib6_nh_init+0x3d8/0x1580 [ 6552.026441][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6552.026441][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6552.026441][ T10] ipv6_add_addr+0x411/0x2000 [ 6552.026441][ T10] inet6_addr_add+0x30e/0xa40 [ 6552.026441][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6552.026441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6552.026441][ T10] netlink_rcv_skb+0x130/0x360 [ 6552.026441][ T10] netlink_unicast+0x449/0x710 [ 6552.026441][ T10] netlink_sendmsg+0x723/0xbe0 [ 6552.026441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6552.026441][ T10] ___sys_sendmsg+0xee/0x170 [ 6552.026441][ T10] __sys_sendmsg+0xcd/0x170 [ 6552.026441][ T10] do_syscall_64+0xc6/0x1e0 [ 6552.026441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6552.026441][ T10] [ 6552.028645][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6552.028645][ T10] netdev_get_by_index+0x5e/0x80 [ 6552.028645][ T10] fib6_nh_init+0x3d8/0x1580 [ 6552.028645][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6552.028645][ T10] ip6_route_add+0x1c/0x140 [ 6552.028645][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6552.028645][ T10] addrconf_add_dev+0xe2/0x170 [ 6552.028645][ T10] inet6_addr_add+0x12f/0xa40 [ 6552.028645][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6552.028645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6552.028645][ T10] netlink_rcv_skb+0x130/0x360 [ 6552.028645][ T10] netlink_unicast+0x449/0x710 [ 6552.028645][ T10] netlink_sendmsg+0x723/0xbe0 [ 6552.028645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6552.028645][ T10] ___sys_sendmsg+0xee/0x170 [ 6552.028645][ T10] __sys_sendmsg+0xcd/0x170 [ 6552.028645][ T10] do_syscall_64+0xc6/0x1e0 [ 6552.028645][ T10] [ 6552.030802][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6552.030802][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6552.030802][ T10] ipv6_find_idev+0x102/0x170 [ 6552.030802][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6552.030802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6552.030802][ T10] netlink_rcv_skb+0x130/0x360 [ 6552.030802][ T10] netlink_unicast+0x449/0x710 [ 6552.030802][ T10] netlink_sendmsg+0x723/0xbe0 [ 6552.030802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6552.030802][ T10] ___sys_sendmsg+0xee/0x170 [ 6552.030802][ T10] __sys_sendmsg+0xcd/0x170 [ 6552.030802][ T10] do_syscall_64+0xc6/0x1e0 [ 6552.030802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6552.030802][ T10] [ 6552.032504][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6552.032504][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6552.032504][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6552.032504][ T10] ipv6_find_idev+0x102/0x170 [ 6552.032504][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6552.032504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6552.032504][ T10] netlink_rcv_skb+0x130/0x360 [ 6552.032504][ T10] netlink_unicast+0x449/0x710 [ 6552.032504][ T10] netlink_sendmsg+0x723/0xbe0 [ 6552.032504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6552.032504][ T10] ___sys_sendmsg+0xee/0x170 [ 6552.032504][ T10] __sys_sendmsg+0xcd/0x170 [ 6552.032504][ T10] do_syscall_64+0xc6/0x1e0 [ 6552.032504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6552.032504][ T10] [ 6552.034371][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6552.034624][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6552.034624][ T10] netdev_get_by_index+0x5e/0x80 [ 6552.034624][ T10] fib6_nh_init+0x3d8/0x1580 [ 6552.034624][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6552.034624][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6552.034624][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6552.034624][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6552.034624][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6552.034624][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6552.034624][ T10] addrconf_dad_begin+0x310/0x670 [ 6552.034624][ T10] addrconf_dad_work+0x10b/0xab0 [ 6552.034624][ T10] process_one_work+0x84d/0x18a0 [ 6552.034624][ T10] worker_thread+0x587/0xd30 [ 6552.034624][ T10] kthread+0x28a/0x350 [ 6552.034624][ T10] ret_from_fork+0x31/0x70 [ 6552.034624][ T10] ret_from_fork_asm+0x1a/0x30 [ 6552.034624][ T10] [ 6552.036735][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6552.036735][ T10] netdev_get_by_index+0x5e/0x80 [ 6552.036735][ T10] fib6_nh_init+0x3d8/0x1580 [ 6552.036735][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6552.036735][ T10] ip6_route_add+0x1c/0x140 [ 6552.036735][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6552.036735][ T10] inet6_addr_add+0x4f8/0xa40 [ 6552.036735][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6552.036735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6552.036735][ T10] netlink_rcv_skb+0x130/0x360 [ 6552.036735][ T10] netlink_unicast+0x449/0x710 [ 6552.036735][ T10] netlink_sendmsg+0x723/0xbe0 [ 6552.036735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6552.036735][ T10] ___sys_sendmsg+0xee/0x170 [ 6552.036735][ T10] __sys_sendmsg+0xcd/0x170 [ 6552.036735][ T10] do_syscall_64+0xc6/0x1e0 [ 6552.036735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6552.036735][ T10] [ 6552.039078][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6552.039078][ T10] netdev_get_by_index+0x5e/0x80 [ 6552.039078][ T10] fib6_nh_init+0x3d8/0x1580 [ 6552.039078][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6552.039078][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6552.039078][ T10] ipv6_add_addr+0x411/0x2000 [ 6552.039078][ T10] inet6_addr_add+0x30e/0xa40 [ 6552.039078][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6552.039078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6552.039078][ T10] netlink_rcv_skb+0x130/0x360 [ 6552.039078][ T10] netlink_unicast+0x449/0x710 [ 6552.039078][ T10] netlink_sendmsg+0x723/0xbe0 [ 6552.039078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6552.039078][ T10] ___sys_sendmsg+0xee/0x170 [ 6552.039078][ T10] __sys_sendmsg+0xcd/0x170 [ 6552.039078][ T10] do_syscall_64+0xc6/0x1e0 [ 6552.039078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6552.039078][ T10] [ 6552.041605][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6552.041605][ T10] netdev_get_by_index+0x5e/0x80 [ 6552.041605][ T10] fib6_nh_init+0x3d8/0x1580 [ 6552.041605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6552.041605][ T10] ip6_route_add+0x1c/0x140 [ 6552.041605][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6552.041605][ T10] addrconf_add_dev+0xe2/0x170 [ 6552.041605][ T10] inet6_addr_add+0x12f/0xa40 [ 6552.041605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6552.041605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6552.041605][ T10] netlink_rcv_skb+0x130/0x360 [ 6552.041605][ T10] netlink_unicast+0x449/0x710 [ 6552.041605][ T10] netlink_sendmsg+0x723/0xbe0 [ 6552.041605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6552.041605][ T10] ___sys_sendmsg+0xee/0x170 [ 6552.041605][ T10] __sys_sendmsg+0xcd/0x170 [ 6552.041605][ T10] do_syscall_64+0xc6/0x1e0 [ 6552.041605][ T10] [ 6552.043952][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6552.043952][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6552.043952][ T10] ipv6_find_idev+0x102/0x170 [ 6552.043952][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6552.043952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6552.043952][ T10] netlink_rcv_skb+0x130/0x360 [ 6552.043952][ T10] netlink_unicast+0x449/0x710 [ 6552.043952][ T10] netlink_sendmsg+0x723/0xbe0 [ 6552.043952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6552.043952][ T10] ___sys_sendmsg+0xee/0x170 [ 6552.043952][ T10] __sys_sendmsg+0xcd/0x170 [ 6552.043952][ T10] do_syscall_64+0xc6/0x1e0 [ 6552.043952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6552.043952][ T10] [ 6552.045827][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6552.045827][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6552.045827][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6552.045827][ T10] ipv6_find_idev+0x102/0x170 [ 6552.045827][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6552.045827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6552.045827][ T10] netlink_rcv_skb+0x130/0x360 [ 6552.045827][ T10] netlink_unicast+0x449/0x710 [ 6552.045827][ T10] netlink_sendmsg+0x723/0xbe0 [ 6552.045827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6552.045827][ T10] ___sys_sendmsg+0xee/0x170 [ 6552.045827][ T10] __sys_sendmsg+0xcd/0x170 [ 6552.045827][ T10] do_syscall_64+0xc6/0x1e0 [ 6552.045827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6552.045827][ T10] [ 6552.047873][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6552.048559][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6552.048559][ T10] netdev_get_by_index+0x5e/0x80 [ 6552.048559][ T10] fib6_nh_init+0x3d8/0x1580 [ 6552.048559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6552.048559][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6552.048559][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6552.048559][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6552.048559][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6552.048559][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6552.048559][ T10] addrconf_dad_begin+0x310/0x670 [ 6552.048559][ T10] addrconf_dad_work+0x10b/0xab0 [ 6552.048559][ T10] process_one_work+0x84d/0x18a0 [ 6552.048559][ T10] worker_thread+0x587/0xd30 [ 6552.048559][ T10] kthread+0x28a/0x350 [ 6552.048559][ T10] ret_from_fork+0x31/0x70 [ 6552.048559][ T10] ret_from_fork_asm+0x1a/0x30 [ 6552.048559][ T10] [ 6552.050672][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6552.050672][ T10] netdev_get_by_index+0x5e/0x80 [ 6552.050672][ T10] fib6_nh_init+0x3d8/0x1580 [ 6552.050672][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6552.050672][ T10] ip6_route_add+0x1c/0x140 [ 6552.050672][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6552.050672][ T10] inet6_addr_add+0x4f8/0xa40 [ 6552.050672][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6552.050672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6552.050672][ T10] netlink_rcv_skb+0x130/0x360 [ 6552.050672][ T10] netlink_unicast+0x449/0x710 [ 6552.050672][ T10] netlink_sendmsg+0x723/0xbe0 [ 6552.050672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6552.050672][ T10] ___sys_sendmsg+0xee/0x170 [ 6552.050672][ T10] __sys_sendmsg+0xcd/0x170 [ 6552.050672][ T10] do_syscall_64+0xc6/0x1e0 [ 6552.050672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6552.050672][ T10] [ 6552.052998][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6552.052998][ T10] netdev_get_by_index+0x5e/0x80 [ 6552.052998][ T10] fib6_nh_init+0x3d8/0x1580 [ 6552.052998][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6552.052998][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6552.052998][ T10] ipv6_add_addr+0x411/0x2000 [ 6552.052998][ T10] inet6_addr_add+0x30e/0xa40 [ 6552.052998][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6552.052998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6552.052998][ T10] netlink_rcv_skb+0x130/0x360 [ 6552.052998][ T10] netlink_unicast+0x449/0x710 [ 6552.052998][ T10] netlink_sendmsg+0x723/0xbe0 [ 6552.052998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6552.052998][ T10] ___sys_sendmsg+0xee/0x170 [ 6552.052998][ T10] __sys_sendmsg+0xcd/0x170 [ 6552.052998][ T10] do_syscall_64+0xc6/0x1e0 [ 6552.052998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6552.052998][ T10] [ 6552.055468][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6552.055468][ T10] netdev_get_by_index+0x5e/0x80 [ 6552.055468][ T10] fib6_nh_init+0x3d8/0x1580 [ 6552.055468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6552.055468][ T10] ip6_route_add+0x1c/0x140 [ 6552.055468][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6552.055468][ T10] addrconf_add_dev+0xe2/0x170 [ 6552.055468][ T10] inet6_addr_add+0x12f/0xa40 [ 6552.055468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6552.055468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6552.055468][ T10] netlink_rcv_skb+0x130/0x360 [ 6552.055468][ T10] netlink_unicast+0x449/0x710 [ 6552.055468][ T10] netlink_sendmsg+0x723/0xbe0 [ 6552.055468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6552.055468][ T10] ___sys_sendmsg+0xee/0x170 [ 6552.055468][ T10] __sys_sendmsg+0xcd/0x170 [ 6552.055468][ T10] do_syscall_64+0xc6/0x1e0 [ 6552.055468][ T10] [ 6552.057888][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6552.057888][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6552.057888][ T10] ipv6_find_idev+0x102/0x170 [ 6552.057888][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6552.057888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6552.057888][ T10] netlink_rcv_skb+0x130/0x360 [ 6552.057888][ T10] netlink_unicast+0x449/0x710 [ 6552.057888][ T10] netlink_sendmsg+0x723/0xbe0 [ 6552.057888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6552.057888][ T10] ___sys_sendmsg+0xee/0x170 [ 6552.057888][ T10] __sys_sendmsg+0xcd/0x170 [ 6552.057888][ T10] do_syscall_64+0xc6/0x1e0 [ 6552.057888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6552.057888][ T10] [ 6552.059772][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6552.059772][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6552.059772][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6552.059772][ T10] ipv6_find_idev+0x102/0x170 [ 6552.059772][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6552.059772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6552.059772][ T10] netlink_rcv_skb+0x130/0x360 [ 6552.059772][ T10] netlink_unicast+0x449/0x710 [ 6552.059772][ T10] netlink_sendmsg+0x723/0xbe0 [ 6552.059772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6552.059772][ T10] ___sys_sendmsg+0xee/0x170 [ 6552.059772][ T10] __sys_sendmsg+0xcd/0x170 [ 6552.059772][ T10] do_syscall_64+0xc6/0x1e0 [ 6552.059772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6552.059772][ T10] [ 6559.617036][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6559.617532][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6559.617532][ T1167] dst_init+0x84/0x4a0 [ 6559.617532][ T1167] dst_alloc+0x97/0x150 [ 6559.617532][ T1167] ip6_dst_alloc+0x23/0x90 [ 6559.617532][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6559.617532][ T1167] ip6_pol_route+0x56f/0x840 [ 6559.617532][ T1167] fib6_rule_lookup+0x334/0x630 [ 6559.617532][ T1167] ip6_route_output_flags+0x259/0x480 [ 6559.617532][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6559.617532][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6559.617532][ T1167] netlink_rcv_skb+0x130/0x360 [ 6559.617532][ T1167] netlink_unicast+0x449/0x710 [ 6559.617532][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6559.617532][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6559.617532][ T1167] ___sys_sendmsg+0xee/0x170 [ 6559.617532][ T1167] __sys_sendmsg+0xcd/0x170 [ 6559.617532][ T1167] do_syscall_64+0xc6/0x1e0 [ 6559.617532][ T1167] [ 6559.619973][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6559.619973][ T1167] netdev_get_by_index+0x5e/0x80 [ 6559.619973][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6559.619973][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6559.619973][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6559.619973][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6559.619973][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6559.619973][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6559.619973][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6559.619973][ T1167] addrconf_dad_begin+0x310/0x670 [ 6559.619973][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6559.619973][ T1167] process_one_work+0x84d/0x18a0 [ 6559.619973][ T1167] worker_thread+0x587/0xd30 [ 6559.619973][ T1167] kthread+0x28a/0x350 [ 6559.619973][ T1167] ret_from_fork+0x31/0x70 [ 6559.619973][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6559.619973][ T1167] [ 6559.622359][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6559.622359][ T1167] netdev_get_by_index+0x5e/0x80 [ 6559.622359][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6559.622359][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6559.622359][ T1167] ip6_route_add+0x1c/0x140 [ 6559.622359][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6559.622359][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6559.622359][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6559.622359][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6559.622359][ T1167] netlink_rcv_skb+0x130/0x360 [ 6559.622359][ T1167] netlink_unicast+0x449/0x710 [ 6559.622359][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6559.622359][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6559.622359][ T1167] ___sys_sendmsg+0xee/0x170 [ 6559.622359][ T1167] __sys_sendmsg+0xcd/0x170 [ 6559.622359][ T1167] do_syscall_64+0xc6/0x1e0 [ 6559.622359][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6559.622359][ T1167] [ 6559.624845][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6559.624845][ T1167] netdev_get_by_index+0x5e/0x80 [ 6559.624845][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6559.624845][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6559.624845][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6559.624845][ T1167] ipv6_add_addr+0x411/0x2000 [ 6559.624845][ T1167] inet6_addr_add+0x30e/0xa40 [ 6559.624845][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6559.624845][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6559.624845][ T1167] netlink_rcv_skb+0x130/0x360 [ 6559.624845][ T1167] netlink_unicast+0x449/0x710 [ 6559.624845][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6559.624845][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6559.624845][ T1167] ___sys_sendmsg+0xee/0x170 [ 6559.624845][ T1167] __sys_sendmsg+0xcd/0x170 [ 6559.624845][ T1167] do_syscall_64+0xc6/0x1e0 [ 6559.624845][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6559.624845][ T1167] [ 6559.627350][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6559.627350][ T1167] netdev_get_by_index+0x5e/0x80 [ 6559.627350][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6559.627350][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6559.627350][ T1167] ip6_route_add+0x1c/0x140 [ 6559.627350][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6559.627350][ T1167] addrconf_add_dev+0xe2/0x170 [ 6559.627350][ T1167] inet6_addr_add+0x12f/0xa40 [ 6559.627350][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6559.627350][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6559.627350][ T1167] netlink_rcv_skb+0x130/0x360 [ 6559.627350][ T1167] netlink_unicast+0x449/0x710 [ 6559.627350][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6559.627350][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6559.627350][ T1167] ___sys_sendmsg+0xee/0x170 [ 6559.627350][ T1167] __sys_sendmsg+0xcd/0x170 [ 6559.627350][ T1167] do_syscall_64+0xc6/0x1e0 [ 6559.627350][ T1167] [ 6559.629764][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6559.629764][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6559.629764][ T1167] ipv6_find_idev+0x102/0x170 [ 6559.629764][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6559.629764][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6559.629764][ T1167] netlink_rcv_skb+0x130/0x360 [ 6559.629764][ T1167] netlink_unicast+0x449/0x710 [ 6559.629764][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6559.629764][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6559.629764][ T1167] ___sys_sendmsg+0xee/0x170 [ 6559.629764][ T1167] __sys_sendmsg+0xcd/0x170 [ 6559.629764][ T1167] do_syscall_64+0xc6/0x1e0 [ 6559.629764][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6559.629764][ T1167] [ 6559.631671][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6559.631671][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6559.631671][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6559.631671][ T1167] ipv6_find_idev+0x102/0x170 [ 6559.631671][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6559.631671][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6559.631671][ T1167] netlink_rcv_skb+0x130/0x360 [ 6559.631671][ T1167] netlink_unicast+0x449/0x710 [ 6559.631671][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6559.631671][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6559.631671][ T1167] ___sys_sendmsg+0xee/0x170 [ 6559.631671][ T1167] __sys_sendmsg+0xcd/0x170 [ 6559.631671][ T1167] do_syscall_64+0xc6/0x1e0 [ 6559.631671][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6559.631671][ T1167] [ 6562.153156][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6562.153587][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6562.153587][ T10] netdev_get_by_index+0x5e/0x80 [ 6562.153587][ T10] fib6_nh_init+0x3d8/0x1580 [ 6562.153587][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6562.153587][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6562.153587][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6562.153587][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6562.153587][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6562.153587][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6562.153587][ T10] addrconf_dad_begin+0x310/0x670 [ 6562.153587][ T10] addrconf_dad_work+0x10b/0xab0 [ 6562.153587][ T10] process_one_work+0x84d/0x18a0 [ 6562.153587][ T10] worker_thread+0x587/0xd30 [ 6562.153587][ T10] kthread+0x28a/0x350 [ 6562.153587][ T10] ret_from_fork+0x31/0x70 [ 6562.153587][ T10] ret_from_fork_asm+0x1a/0x30 [ 6562.153587][ T10] [ 6562.155718][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6562.155718][ T10] netdev_get_by_index+0x5e/0x80 [ 6562.155718][ T10] fib6_nh_init+0x3d8/0x1580 [ 6562.155718][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6562.155718][ T10] ip6_route_add+0x1c/0x140 [ 6562.155718][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6562.155718][ T10] inet6_addr_add+0x4f8/0xa40 [ 6562.155718][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6562.155718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6562.155718][ T10] netlink_rcv_skb+0x130/0x360 [ 6562.155718][ T10] netlink_unicast+0x449/0x710 [ 6562.155718][ T10] netlink_sendmsg+0x723/0xbe0 [ 6562.155718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6562.155718][ T10] ___sys_sendmsg+0xee/0x170 [ 6562.155718][ T10] __sys_sendmsg+0xcd/0x170 [ 6562.155718][ T10] do_syscall_64+0xc6/0x1e0 [ 6562.155718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6562.155718][ T10] [ 6562.157955][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6562.157955][ T10] netdev_get_by_index+0x5e/0x80 [ 6562.157955][ T10] fib6_nh_init+0x3d8/0x1580 [ 6562.157955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6562.157955][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6562.157955][ T10] ipv6_add_addr+0x411/0x2000 [ 6562.157955][ T10] inet6_addr_add+0x30e/0xa40 [ 6562.157955][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6562.157955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6562.157955][ T10] netlink_rcv_skb+0x130/0x360 [ 6562.157955][ T10] netlink_unicast+0x449/0x710 [ 6562.157955][ T10] netlink_sendmsg+0x723/0xbe0 [ 6562.157955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6562.157955][ T10] ___sys_sendmsg+0xee/0x170 [ 6562.157955][ T10] __sys_sendmsg+0xcd/0x170 [ 6562.157955][ T10] do_syscall_64+0xc6/0x1e0 [ 6562.157955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6562.157955][ T10] [ 6562.160172][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6562.160172][ T10] netdev_get_by_index+0x5e/0x80 [ 6562.160172][ T10] fib6_nh_init+0x3d8/0x1580 [ 6562.160172][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6562.160172][ T10] ip6_route_add+0x1c/0x140 [ 6562.160172][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6562.160172][ T10] addrconf_add_dev+0xe2/0x170 [ 6562.160172][ T10] inet6_addr_add+0x12f/0xa40 [ 6562.160172][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6562.160172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6562.160172][ T10] netlink_rcv_skb+0x130/0x360 [ 6562.160172][ T10] netlink_unicast+0x449/0x710 [ 6562.160172][ T10] netlink_sendmsg+0x723/0xbe0 [ 6562.160172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6562.160172][ T10] ___sys_sendmsg+0xee/0x170 [ 6562.160172][ T10] __sys_sendmsg+0xcd/0x170 [ 6562.160172][ T10] do_syscall_64+0xc6/0x1e0 [ 6562.160172][ T10] [ 6562.162339][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6562.162339][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6562.162339][ T10] ipv6_find_idev+0x102/0x170 [ 6562.162339][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6562.162339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6562.162339][ T10] netlink_rcv_skb+0x130/0x360 [ 6562.162339][ T10] netlink_unicast+0x449/0x710 [ 6562.162339][ T10] netlink_sendmsg+0x723/0xbe0 [ 6562.162339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6562.162339][ T10] ___sys_sendmsg+0xee/0x170 [ 6562.162339][ T10] __sys_sendmsg+0xcd/0x170 [ 6562.162339][ T10] do_syscall_64+0xc6/0x1e0 [ 6562.162339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6562.162339][ T10] [ 6562.164052][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6562.164052][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6562.164052][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6562.164052][ T10] ipv6_find_idev+0x102/0x170 [ 6562.164052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6562.164052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6562.164052][ T10] netlink_rcv_skb+0x130/0x360 [ 6562.164052][ T10] netlink_unicast+0x449/0x710 [ 6562.164052][ T10] netlink_sendmsg+0x723/0xbe0 [ 6562.164052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6562.164052][ T10] ___sys_sendmsg+0xee/0x170 [ 6562.164052][ T10] __sys_sendmsg+0xcd/0x170 [ 6562.164052][ T10] do_syscall_64+0xc6/0x1e0 [ 6562.164052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6562.164052][ T10] [ 6562.165902][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6562.166175][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6562.166175][ T10] netdev_get_by_index+0x5e/0x80 [ 6562.166175][ T10] fib6_nh_init+0x3d8/0x1580 [ 6562.166175][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6562.166175][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6562.166175][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6562.166175][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6562.166175][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6562.166175][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6562.166175][ T10] addrconf_dad_begin+0x310/0x670 [ 6562.166175][ T10] addrconf_dad_work+0x10b/0xab0 [ 6562.166175][ T10] process_one_work+0x84d/0x18a0 [ 6562.166175][ T10] worker_thread+0x587/0xd30 [ 6562.166175][ T10] kthread+0x28a/0x350 [ 6562.166175][ T10] ret_from_fork+0x31/0x70 [ 6562.166175][ T10] ret_from_fork_asm+0x1a/0x30 [ 6562.166175][ T10] [ 6562.168286][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6562.168286][ T10] netdev_get_by_index+0x5e/0x80 [ 6562.168286][ T10] fib6_nh_init+0x3d8/0x1580 [ 6562.168286][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6562.168286][ T10] ip6_route_add+0x1c/0x140 [ 6562.168286][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6562.168286][ T10] inet6_addr_add+0x4f8/0xa40 [ 6562.168286][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6562.168286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6562.168286][ T10] netlink_rcv_skb+0x130/0x360 [ 6562.168286][ T10] netlink_unicast+0x449/0x710 [ 6562.168286][ T10] netlink_sendmsg+0x723/0xbe0 [ 6562.168286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6562.168286][ T10] ___sys_sendmsg+0xee/0x170 [ 6562.168286][ T10] __sys_sendmsg+0xcd/0x170 [ 6562.168286][ T10] do_syscall_64+0xc6/0x1e0 [ 6562.168286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6562.168286][ T10] [ 6562.170490][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6562.170490][ T10] netdev_get_by_index+0x5e/0x80 [ 6562.170490][ T10] fib6_nh_init+0x3d8/0x1580 [ 6562.170490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6562.170490][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6562.170490][ T10] ipv6_add_addr+0x411/0x2000 [ 6562.170490][ T10] inet6_addr_add+0x30e/0xa40 [ 6562.170490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6562.170490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6562.170490][ T10] netlink_rcv_skb+0x130/0x360 [ 6562.170490][ T10] netlink_unicast+0x449/0x710 [ 6562.170490][ T10] netlink_sendmsg+0x723/0xbe0 [ 6562.170490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6562.170490][ T10] ___sys_sendmsg+0xee/0x170 [ 6562.170490][ T10] __sys_sendmsg+0xcd/0x170 [ 6562.170490][ T10] do_syscall_64+0xc6/0x1e0 [ 6562.170490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6562.170490][ T10] [ 6562.172708][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6562.172708][ T10] netdev_get_by_index+0x5e/0x80 [ 6562.172708][ T10] fib6_nh_init+0x3d8/0x1580 [ 6562.172708][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6562.172708][ T10] ip6_route_add+0x1c/0x140 [ 6562.172708][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6562.172708][ T10] addrconf_add_dev+0xe2/0x170 [ 6562.172708][ T10] inet6_addr_add+0x12f/0xa40 [ 6562.172708][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6562.172708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6562.172708][ T10] netlink_rcv_skb+0x130/0x360 [ 6562.172708][ T10] netlink_unicast+0x449/0x710 [ 6562.172708][ T10] netlink_sendmsg+0x723/0xbe0 [ 6562.172708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6562.172708][ T10] ___sys_sendmsg+0xee/0x170 [ 6562.172708][ T10] __sys_sendmsg+0xcd/0x170 [ 6562.172708][ T10] do_syscall_64+0xc6/0x1e0 [ 6562.172708][ T10] [ 6562.174870][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6562.174870][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6562.174870][ T10] ipv6_find_idev+0x102/0x170 [ 6562.174870][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6562.174870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6562.174870][ T10] netlink_rcv_skb+0x130/0x360 [ 6562.174870][ T10] netlink_unicast+0x449/0x710 [ 6562.174870][ T10] netlink_sendmsg+0x723/0xbe0 [ 6562.174870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6562.174870][ T10] ___sys_sendmsg+0xee/0x170 [ 6562.174870][ T10] __sys_sendmsg+0xcd/0x170 [ 6562.174870][ T10] do_syscall_64+0xc6/0x1e0 [ 6562.174870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6562.174870][ T10] [ 6562.176585][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6562.176585][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6562.176585][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6562.176585][ T10] ipv6_find_idev+0x102/0x170 [ 6562.176585][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6562.176585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6562.176585][ T10] netlink_rcv_skb+0x130/0x360 [ 6562.176585][ T10] netlink_unicast+0x449/0x710 [ 6562.176585][ T10] netlink_sendmsg+0x723/0xbe0 [ 6562.176585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6562.176585][ T10] ___sys_sendmsg+0xee/0x170 [ 6562.176585][ T10] __sys_sendmsg+0xcd/0x170 [ 6562.176585][ T10] do_syscall_64+0xc6/0x1e0 [ 6562.176585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6562.176585][ T10] [ 6562.178454][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6562.178708][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6562.178708][ T10] netdev_get_by_index+0x5e/0x80 [ 6562.178708][ T10] fib6_nh_init+0x3d8/0x1580 [ 6562.178708][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6562.178708][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6562.178708][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6562.178708][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6562.178708][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6562.178708][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6562.178708][ T10] addrconf_dad_begin+0x310/0x670 [ 6562.178708][ T10] addrconf_dad_work+0x10b/0xab0 [ 6562.178708][ T10] process_one_work+0x84d/0x18a0 [ 6562.178708][ T10] worker_thread+0x587/0xd30 [ 6562.178708][ T10] kthread+0x28a/0x350 [ 6562.178708][ T10] ret_from_fork+0x31/0x70 [ 6562.178708][ T10] ret_from_fork_asm+0x1a/0x30 [ 6562.178708][ T10] [ 6562.180805][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6562.180805][ T10] netdev_get_by_index+0x5e/0x80 [ 6562.180805][ T10] fib6_nh_init+0x3d8/0x1580 [ 6562.180805][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6562.180805][ T10] ip6_route_add+0x1c/0x140 [ 6562.180805][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6562.180805][ T10] inet6_addr_add+0x4f8/0xa40 [ 6562.180805][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6562.180805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6562.180805][ T10] netlink_rcv_skb+0x130/0x360 [ 6562.180805][ T10] netlink_unicast+0x449/0x710 [ 6562.180805][ T10] netlink_sendmsg+0x723/0xbe0 [ 6562.180805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6562.180805][ T10] ___sys_sendmsg+0xee/0x170 [ 6562.180805][ T10] __sys_sendmsg+0xcd/0x170 [ 6562.180805][ T10] do_syscall_64+0xc6/0x1e0 [ 6562.180805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6562.180805][ T10] [ 6562.183153][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6562.183153][ T10] netdev_get_by_index+0x5e/0x80 [ 6562.183153][ T10] fib6_nh_init+0x3d8/0x1580 [ 6562.183153][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6562.183153][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6562.183153][ T10] ipv6_add_addr+0x411/0x2000 [ 6562.183153][ T10] inet6_addr_add+0x30e/0xa40 [ 6562.183153][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6562.183153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6562.183153][ T10] netlink_rcv_skb+0x130/0x360 [ 6562.183153][ T10] netlink_unicast+0x449/0x710 [ 6562.183153][ T10] netlink_sendmsg+0x723/0xbe0 [ 6562.183153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6562.183153][ T10] ___sys_sendmsg+0xee/0x170 [ 6562.183153][ T10] __sys_sendmsg+0xcd/0x170 [ 6562.183153][ T10] do_syscall_64+0xc6/0x1e0 [ 6562.183153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6562.183153][ T10] [ 6562.185673][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6562.185673][ T10] netdev_get_by_index+0x5e/0x80 [ 6562.185673][ T10] fib6_nh_init+0x3d8/0x1580 [ 6562.185673][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6562.185673][ T10] ip6_route_add+0x1c/0x140 [ 6562.185673][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6562.185673][ T10] addrconf_add_dev+0xe2/0x170 [ 6562.185673][ T10] inet6_addr_add+0x12f/0xa40 [ 6562.185673][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6562.185673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6562.185673][ T10] netlink_rcv_skb+0x130/0x360 [ 6562.185673][ T10] netlink_unicast+0x449/0x710 [ 6562.185673][ T10] netlink_sendmsg+0x723/0xbe0 [ 6562.185673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6562.185673][ T10] ___sys_sendmsg+0xee/0x170 [ 6562.185673][ T10] __sys_sendmsg+0xcd/0x170 [ 6562.185673][ T10] do_syscall_64+0xc6/0x1e0 [ 6562.185673][ T10] [ 6562.188019][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6562.188019][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6562.188019][ T10] ipv6_find_idev+0x102/0x170 [ 6562.188019][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6562.188019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6562.188019][ T10] netlink_rcv_skb+0x130/0x360 [ 6562.188019][ T10] netlink_unicast+0x449/0x710 [ 6562.188019][ T10] netlink_sendmsg+0x723/0xbe0 [ 6562.188019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6562.188019][ T10] ___sys_sendmsg+0xee/0x170 [ 6562.188019][ T10] __sys_sendmsg+0xcd/0x170 [ 6562.188019][ T10] do_syscall_64+0xc6/0x1e0 [ 6562.188019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6562.188019][ T10] [ 6562.189899][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6562.189899][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6562.189899][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6562.189899][ T10] ipv6_find_idev+0x102/0x170 [ 6562.189899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6562.189899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6562.189899][ T10] netlink_rcv_skb+0x130/0x360 [ 6562.189899][ T10] netlink_unicast+0x449/0x710 [ 6562.189899][ T10] netlink_sendmsg+0x723/0xbe0 [ 6562.189899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6562.189899][ T10] ___sys_sendmsg+0xee/0x170 [ 6562.189899][ T10] __sys_sendmsg+0xcd/0x170 [ 6562.189899][ T10] do_syscall_64+0xc6/0x1e0 [ 6562.189899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6562.189899][ T10] [ 6562.191959][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6562.192285][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6562.192285][ T10] netdev_get_by_index+0x5e/0x80 [ 6562.192285][ T10] fib6_nh_init+0x3d8/0x1580 [ 6562.192285][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6562.192285][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6562.192285][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6562.192285][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6562.192285][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6562.192285][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6562.192285][ T10] addrconf_dad_begin+0x310/0x670 [ 6562.192285][ T10] addrconf_dad_work+0x10b/0xab0 [ 6562.192285][ T10] process_one_work+0x84d/0x18a0 [ 6562.192285][ T10] worker_thread+0x587/0xd30 [ 6562.192285][ T10] kthread+0x28a/0x350 [ 6562.192285][ T10] ret_from_fork+0x31/0x70 [ 6562.192285][ T10] ret_from_fork_asm+0x1a/0x30 [ 6562.192285][ T10] [ 6562.194631][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6562.194631][ T10] netdev_get_by_index+0x5e/0x80 [ 6562.194631][ T10] fib6_nh_init+0x3d8/0x1580 [ 6562.194631][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6562.194631][ T10] ip6_route_add+0x1c/0x140 [ 6562.194631][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6562.194631][ T10] inet6_addr_add+0x4f8/0xa40 [ 6562.194631][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6562.194631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6562.194631][ T10] netlink_rcv_skb+0x130/0x360 [ 6562.194631][ T10] netlink_unicast+0x449/0x710 [ 6562.194631][ T10] netlink_sendmsg+0x723/0xbe0 [ 6562.194631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6562.194631][ T10] ___sys_sendmsg+0xee/0x170 [ 6562.194631][ T10] __sys_sendmsg+0xcd/0x170 [ 6562.194631][ T10] do_syscall_64+0xc6/0x1e0 [ 6562.194631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6562.194631][ T10] [ 6562.197090][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6562.197090][ T10] netdev_get_by_index+0x5e/0x80 [ 6562.197090][ T10] fib6_nh_init+0x3d8/0x1580 [ 6562.197090][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6562.197090][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6562.197090][ T10] ipv6_add_addr+0x411/0x2000 [ 6562.197090][ T10] inet6_addr_add+0x30e/0xa40 [ 6562.197090][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6562.197090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6562.197090][ T10] netlink_rcv_skb+0x130/0x360 [ 6562.197090][ T10] netlink_unicast+0x449/0x710 [ 6562.197090][ T10] netlink_sendmsg+0x723/0xbe0 [ 6562.197090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6562.197090][ T10] ___sys_sendmsg+0xee/0x170 [ 6562.197090][ T10] __sys_sendmsg+0xcd/0x170 [ 6562.197090][ T10] do_syscall_64+0xc6/0x1e0 [ 6562.197090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6562.197090][ T10] [ 6562.199550][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6562.199550][ T10] netdev_get_by_index+0x5e/0x80 [ 6562.199550][ T10] fib6_nh_init+0x3d8/0x1580 [ 6562.199550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6562.199550][ T10] ip6_route_add+0x1c/0x140 [ 6562.199550][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6562.199550][ T10] addrconf_add_dev+0xe2/0x170 [ 6562.199550][ T10] inet6_addr_add+0x12f/0xa40 [ 6562.199550][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6562.199550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6562.199550][ T10] netlink_rcv_skb+0x130/0x360 [ 6562.199550][ T10] netlink_unicast+0x449/0x710 [ 6562.199550][ T10] netlink_sendmsg+0x723/0xbe0 [ 6562.199550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6562.199550][ T10] ___sys_sendmsg+0xee/0x170 [ 6562.199550][ T10] __sys_sendmsg+0xcd/0x170 [ 6562.199550][ T10] do_syscall_64+0xc6/0x1e0 [ 6562.199550][ T10] [ 6562.201891][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6562.201891][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6562.201891][ T10] ipv6_find_idev+0x102/0x170 [ 6562.201891][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6562.201891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6562.201891][ T10] netlink_rcv_skb+0x130/0x360 [ 6562.201891][ T10] netlink_unicast+0x449/0x710 [ 6562.201891][ T10] netlink_sendmsg+0x723/0xbe0 [ 6562.201891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6562.201891][ T10] ___sys_sendmsg+0xee/0x170 [ 6562.201891][ T10] __sys_sendmsg+0xcd/0x170 [ 6562.201891][ T10] do_syscall_64+0xc6/0x1e0 [ 6562.201891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6562.201891][ T10] [ 6562.203768][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6562.203768][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6562.203768][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6562.203768][ T10] ipv6_find_idev+0x102/0x170 [ 6562.203768][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6562.203768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6562.203768][ T10] netlink_rcv_skb+0x130/0x360 [ 6562.203768][ T10] netlink_unicast+0x449/0x710 [ 6562.203768][ T10] netlink_sendmsg+0x723/0xbe0 [ 6562.203768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6562.203768][ T10] ___sys_sendmsg+0xee/0x170 [ 6562.203768][ T10] __sys_sendmsg+0xcd/0x170 [ 6562.203768][ T10] do_syscall_64+0xc6/0x1e0 [ 6562.203768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6562.203768][ T10] [ 6569.881033][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6569.881522][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6569.881522][ T1167] dst_init+0x84/0x4a0 [ 6569.881522][ T1167] dst_alloc+0x97/0x150 [ 6569.881522][ T1167] ip6_dst_alloc+0x23/0x90 [ 6569.881522][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6569.881522][ T1167] ip6_pol_route+0x56f/0x840 [ 6569.881522][ T1167] fib6_rule_lookup+0x334/0x630 [ 6569.881522][ T1167] ip6_route_output_flags+0x259/0x480 [ 6569.881522][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6569.881522][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6569.881522][ T1167] netlink_rcv_skb+0x130/0x360 [ 6569.881522][ T1167] netlink_unicast+0x449/0x710 [ 6569.881522][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6569.881522][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6569.881522][ T1167] ___sys_sendmsg+0xee/0x170 [ 6569.881522][ T1167] __sys_sendmsg+0xcd/0x170 [ 6569.881522][ T1167] do_syscall_64+0xc6/0x1e0 [ 6569.881522][ T1167] [ 6569.883931][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6569.883931][ T1167] netdev_get_by_index+0x5e/0x80 [ 6569.883931][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6569.883931][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6569.883931][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6569.883931][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6569.883931][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6569.883931][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6569.883931][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6569.883931][ T1167] addrconf_dad_begin+0x310/0x670 [ 6569.883931][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6569.883931][ T1167] process_one_work+0x84d/0x18a0 [ 6569.883931][ T1167] worker_thread+0x587/0xd30 [ 6569.883931][ T1167] kthread+0x28a/0x350 [ 6569.883931][ T1167] ret_from_fork+0x31/0x70 [ 6569.883931][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6569.883931][ T1167] [ 6569.886365][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6569.886365][ T1167] netdev_get_by_index+0x5e/0x80 [ 6569.886365][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6569.886365][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6569.886365][ T1167] ip6_route_add+0x1c/0x140 [ 6569.886365][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6569.886365][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6569.886365][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6569.886365][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6569.886365][ T1167] netlink_rcv_skb+0x130/0x360 [ 6569.886365][ T1167] netlink_unicast+0x449/0x710 [ 6569.886365][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6569.886365][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6569.886365][ T1167] ___sys_sendmsg+0xee/0x170 [ 6569.886365][ T1167] __sys_sendmsg+0xcd/0x170 [ 6569.886365][ T1167] do_syscall_64+0xc6/0x1e0 [ 6569.886365][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6569.886365][ T1167] [ 6569.888858][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6569.888858][ T1167] netdev_get_by_index+0x5e/0x80 [ 6569.888858][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6569.888858][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6569.888858][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6569.888858][ T1167] ipv6_add_addr+0x411/0x2000 [ 6569.888858][ T1167] inet6_addr_add+0x30e/0xa40 [ 6569.888858][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6569.888858][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6569.888858][ T1167] netlink_rcv_skb+0x130/0x360 [ 6569.888858][ T1167] netlink_unicast+0x449/0x710 [ 6569.888858][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6569.888858][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6569.888858][ T1167] ___sys_sendmsg+0xee/0x170 [ 6569.888858][ T1167] __sys_sendmsg+0xcd/0x170 [ 6569.888858][ T1167] do_syscall_64+0xc6/0x1e0 [ 6569.888858][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6569.888858][ T1167] [ 6569.891329][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6569.891329][ T1167] netdev_get_by_index+0x5e/0x80 [ 6569.891329][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6569.891329][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6569.891329][ T1167] ip6_route_add+0x1c/0x140 [ 6569.891329][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6569.891329][ T1167] addrconf_add_dev+0xe2/0x170 [ 6569.891329][ T1167] inet6_addr_add+0x12f/0xa40 [ 6569.891329][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6569.891329][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6569.891329][ T1167] netlink_rcv_skb+0x130/0x360 [ 6569.891329][ T1167] netlink_unicast+0x449/0x710 [ 6569.891329][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6569.891329][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6569.891329][ T1167] ___sys_sendmsg+0xee/0x170 [ 6569.891329][ T1167] __sys_sendmsg+0xcd/0x170 [ 6569.891329][ T1167] do_syscall_64+0xc6/0x1e0 [ 6569.891329][ T1167] [ 6569.893756][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6569.893756][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6569.893756][ T1167] ipv6_find_idev+0x102/0x170 [ 6569.893756][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6569.893756][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6569.893756][ T1167] netlink_rcv_skb+0x130/0x360 [ 6569.893756][ T1167] netlink_unicast+0x449/0x710 [ 6569.893756][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6569.893756][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6569.893756][ T1167] ___sys_sendmsg+0xee/0x170 [ 6569.893756][ T1167] __sys_sendmsg+0xcd/0x170 [ 6569.893756][ T1167] do_syscall_64+0xc6/0x1e0 [ 6569.893756][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6569.893756][ T1167] [ 6569.895699][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6569.895699][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6569.895699][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6569.895699][ T1167] ipv6_find_idev+0x102/0x170 [ 6569.895699][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6569.895699][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6569.895699][ T1167] netlink_rcv_skb+0x130/0x360 [ 6569.895699][ T1167] netlink_unicast+0x449/0x710 [ 6569.895699][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6569.895699][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6569.895699][ T1167] ___sys_sendmsg+0xee/0x170 [ 6569.895699][ T1167] __sys_sendmsg+0xcd/0x170 [ 6569.895699][ T1167] do_syscall_64+0xc6/0x1e0 [ 6569.895699][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6569.895699][ T1167] [ 6572.305036][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6572.305463][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6572.305463][ T10] netdev_get_by_index+0x5e/0x80 [ 6572.305463][ T10] fib6_nh_init+0x3d8/0x1580 [ 6572.305463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6572.305463][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6572.305463][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6572.305463][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6572.305463][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6572.305463][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6572.305463][ T10] addrconf_dad_begin+0x310/0x670 [ 6572.305463][ T10] addrconf_dad_work+0x10b/0xab0 [ 6572.305463][ T10] process_one_work+0x84d/0x18a0 [ 6572.305463][ T10] worker_thread+0x587/0xd30 [ 6572.305463][ T10] kthread+0x28a/0x350 [ 6572.305463][ T10] ret_from_fork+0x31/0x70 [ 6572.305463][ T10] ret_from_fork_asm+0x1a/0x30 [ 6572.305463][ T10] [ 6572.307609][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6572.307609][ T10] netdev_get_by_index+0x5e/0x80 [ 6572.307609][ T10] fib6_nh_init+0x3d8/0x1580 [ 6572.307609][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6572.307609][ T10] ip6_route_add+0x1c/0x140 [ 6572.307609][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6572.307609][ T10] inet6_addr_add+0x4f8/0xa40 [ 6572.307609][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6572.307609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6572.307609][ T10] netlink_rcv_skb+0x130/0x360 [ 6572.307609][ T10] netlink_unicast+0x449/0x710 [ 6572.307609][ T10] netlink_sendmsg+0x723/0xbe0 [ 6572.307609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6572.307609][ T10] ___sys_sendmsg+0xee/0x170 [ 6572.307609][ T10] __sys_sendmsg+0xcd/0x170 [ 6572.307609][ T10] do_syscall_64+0xc6/0x1e0 [ 6572.307609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6572.307609][ T10] [ 6572.309843][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6572.309843][ T10] netdev_get_by_index+0x5e/0x80 [ 6572.309843][ T10] fib6_nh_init+0x3d8/0x1580 [ 6572.309843][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6572.309843][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6572.309843][ T10] ipv6_add_addr+0x411/0x2000 [ 6572.309843][ T10] inet6_addr_add+0x30e/0xa40 [ 6572.309843][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6572.309843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6572.309843][ T10] netlink_rcv_skb+0x130/0x360 [ 6572.309843][ T10] netlink_unicast+0x449/0x710 [ 6572.309843][ T10] netlink_sendmsg+0x723/0xbe0 [ 6572.309843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6572.309843][ T10] ___sys_sendmsg+0xee/0x170 [ 6572.309843][ T10] __sys_sendmsg+0xcd/0x170 [ 6572.309843][ T10] do_syscall_64+0xc6/0x1e0 [ 6572.309843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6572.309843][ T10] [ 6572.312035][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6572.312035][ T10] netdev_get_by_index+0x5e/0x80 [ 6572.312035][ T10] fib6_nh_init+0x3d8/0x1580 [ 6572.312035][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6572.312035][ T10] ip6_route_add+0x1c/0x140 [ 6572.312035][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6572.312035][ T10] addrconf_add_dev+0xe2/0x170 [ 6572.312035][ T10] inet6_addr_add+0x12f/0xa40 [ 6572.312035][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6572.312035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6572.312035][ T10] netlink_rcv_skb+0x130/0x360 [ 6572.312035][ T10] netlink_unicast+0x449/0x710 [ 6572.312035][ T10] netlink_sendmsg+0x723/0xbe0 [ 6572.312035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6572.312035][ T10] ___sys_sendmsg+0xee/0x170 [ 6572.312035][ T10] __sys_sendmsg+0xcd/0x170 [ 6572.312035][ T10] do_syscall_64+0xc6/0x1e0 [ 6572.312035][ T10] [ 6572.314231][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6572.314231][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6572.314231][ T10] ipv6_find_idev+0x102/0x170 [ 6572.314231][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6572.314231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6572.314231][ T10] netlink_rcv_skb+0x130/0x360 [ 6572.314231][ T10] netlink_unicast+0x449/0x710 [ 6572.314231][ T10] netlink_sendmsg+0x723/0xbe0 [ 6572.314231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6572.314231][ T10] ___sys_sendmsg+0xee/0x170 [ 6572.314231][ T10] __sys_sendmsg+0xcd/0x170 [ 6572.314231][ T10] do_syscall_64+0xc6/0x1e0 [ 6572.314231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6572.314231][ T10] [ 6572.315946][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6572.315946][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6572.315946][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6572.315946][ T10] ipv6_find_idev+0x102/0x170 [ 6572.315946][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6572.315946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6572.315946][ T10] netlink_rcv_skb+0x130/0x360 [ 6572.315946][ T10] netlink_unicast+0x449/0x710 [ 6572.315946][ T10] netlink_sendmsg+0x723/0xbe0 [ 6572.315946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6572.315946][ T10] ___sys_sendmsg+0xee/0x170 [ 6572.315946][ T10] __sys_sendmsg+0xcd/0x170 [ 6572.315946][ T10] do_syscall_64+0xc6/0x1e0 [ 6572.315946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6572.315946][ T10] [ 6572.317838][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6572.318113][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6572.318113][ T10] netdev_get_by_index+0x5e/0x80 [ 6572.318113][ T10] fib6_nh_init+0x3d8/0x1580 [ 6572.318113][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6572.318113][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6572.318113][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6572.318113][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6572.318113][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6572.318113][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6572.318113][ T10] addrconf_dad_begin+0x310/0x670 [ 6572.318113][ T10] addrconf_dad_work+0x10b/0xab0 [ 6572.318113][ T10] process_one_work+0x84d/0x18a0 [ 6572.318113][ T10] worker_thread+0x587/0xd30 [ 6572.318113][ T10] kthread+0x28a/0x350 [ 6572.318113][ T10] ret_from_fork+0x31/0x70 [ 6572.318113][ T10] ret_from_fork_asm+0x1a/0x30 [ 6572.318113][ T10] [ 6572.320201][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6572.320201][ T10] netdev_get_by_index+0x5e/0x80 [ 6572.320201][ T10] fib6_nh_init+0x3d8/0x1580 [ 6572.320201][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6572.320201][ T10] ip6_route_add+0x1c/0x140 [ 6572.320201][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6572.320201][ T10] inet6_addr_add+0x4f8/0xa40 [ 6572.320201][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6572.320201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6572.320201][ T10] netlink_rcv_skb+0x130/0x360 [ 6572.320201][ T10] netlink_unicast+0x449/0x710 [ 6572.320201][ T10] netlink_sendmsg+0x723/0xbe0 [ 6572.320201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6572.320201][ T10] ___sys_sendmsg+0xee/0x170 [ 6572.320201][ T10] __sys_sendmsg+0xcd/0x170 [ 6572.320201][ T10] do_syscall_64+0xc6/0x1e0 [ 6572.320201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6572.320201][ T10] [ 6572.322370][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6572.322370][ T10] netdev_get_by_index+0x5e/0x80 [ 6572.322370][ T10] fib6_nh_init+0x3d8/0x1580 [ 6572.322370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6572.322370][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6572.322370][ T10] ipv6_add_addr+0x411/0x2000 [ 6572.322370][ T10] inet6_addr_add+0x30e/0xa40 [ 6572.322370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6572.322370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6572.322370][ T10] netlink_rcv_skb+0x130/0x360 [ 6572.322370][ T10] netlink_unicast+0x449/0x710 [ 6572.322370][ T10] netlink_sendmsg+0x723/0xbe0 [ 6572.322370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6572.322370][ T10] ___sys_sendmsg+0xee/0x170 [ 6572.322370][ T10] __sys_sendmsg+0xcd/0x170 [ 6572.322370][ T10] do_syscall_64+0xc6/0x1e0 [ 6572.322370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6572.322370][ T10] [ 6572.324589][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6572.324589][ T10] netdev_get_by_index+0x5e/0x80 [ 6572.324589][ T10] fib6_nh_init+0x3d8/0x1580 [ 6572.324589][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6572.324589][ T10] ip6_route_add+0x1c/0x140 [ 6572.324589][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6572.324589][ T10] addrconf_add_dev+0xe2/0x170 [ 6572.324589][ T10] inet6_addr_add+0x12f/0xa40 [ 6572.324589][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6572.324589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6572.324589][ T10] netlink_rcv_skb+0x130/0x360 [ 6572.324589][ T10] netlink_unicast+0x449/0x710 [ 6572.324589][ T10] netlink_sendmsg+0x723/0xbe0 [ 6572.324589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6572.324589][ T10] ___sys_sendmsg+0xee/0x170 [ 6572.324589][ T10] __sys_sendmsg+0xcd/0x170 [ 6572.324589][ T10] do_syscall_64+0xc6/0x1e0 [ 6572.324589][ T10] [ 6572.326789][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6572.326789][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6572.326789][ T10] ipv6_find_idev+0x102/0x170 [ 6572.326789][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6572.326789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6572.326789][ T10] netlink_rcv_skb+0x130/0x360 [ 6572.326789][ T10] netlink_unicast+0x449/0x710 [ 6572.326789][ T10] netlink_sendmsg+0x723/0xbe0 [ 6572.326789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6572.326789][ T10] ___sys_sendmsg+0xee/0x170 [ 6572.326789][ T10] __sys_sendmsg+0xcd/0x170 [ 6572.326789][ T10] do_syscall_64+0xc6/0x1e0 [ 6572.326789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6572.326789][ T10] [ 6572.328521][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6572.328521][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6572.328521][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6572.328521][ T10] ipv6_find_idev+0x102/0x170 [ 6572.328521][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6572.328521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6572.328521][ T10] netlink_rcv_skb+0x130/0x360 [ 6572.328521][ T10] netlink_unicast+0x449/0x710 [ 6572.328521][ T10] netlink_sendmsg+0x723/0xbe0 [ 6572.328521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6572.328521][ T10] ___sys_sendmsg+0xee/0x170 [ 6572.328521][ T10] __sys_sendmsg+0xcd/0x170 [ 6572.328521][ T10] do_syscall_64+0xc6/0x1e0 [ 6572.328521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6572.328521][ T10] [ 6572.330356][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6572.330612][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6572.330612][ T10] netdev_get_by_index+0x5e/0x80 [ 6572.330612][ T10] fib6_nh_init+0x3d8/0x1580 [ 6572.330612][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6572.330612][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6572.330612][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6572.330612][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6572.330612][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6572.330612][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6572.330612][ T10] addrconf_dad_begin+0x310/0x670 [ 6572.330612][ T10] addrconf_dad_work+0x10b/0xab0 [ 6572.330612][ T10] process_one_work+0x84d/0x18a0 [ 6572.330612][ T10] worker_thread+0x587/0xd30 [ 6572.330612][ T10] kthread+0x28a/0x350 [ 6572.330612][ T10] ret_from_fork+0x31/0x70 [ 6572.330612][ T10] ret_from_fork_asm+0x1a/0x30 [ 6572.330612][ T10] [ 6572.332744][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6572.332744][ T10] netdev_get_by_index+0x5e/0x80 [ 6572.332744][ T10] fib6_nh_init+0x3d8/0x1580 [ 6572.332744][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6572.332744][ T10] ip6_route_add+0x1c/0x140 [ 6572.332744][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6572.332744][ T10] inet6_addr_add+0x4f8/0xa40 [ 6572.332744][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6572.332744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6572.332744][ T10] netlink_rcv_skb+0x130/0x360 [ 6572.332744][ T10] netlink_unicast+0x449/0x710 [ 6572.332744][ T10] netlink_sendmsg+0x723/0xbe0 [ 6572.332744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6572.332744][ T10] ___sys_sendmsg+0xee/0x170 [ 6572.332744][ T10] __sys_sendmsg+0xcd/0x170 [ 6572.332744][ T10] do_syscall_64+0xc6/0x1e0 [ 6572.332744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6572.332744][ T10] [ 6572.335113][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6572.335113][ T10] netdev_get_by_index+0x5e/0x80 [ 6572.335113][ T10] fib6_nh_init+0x3d8/0x1580 [ 6572.335113][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6572.335113][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6572.335113][ T10] ipv6_add_addr+0x411/0x2000 [ 6572.335113][ T10] inet6_addr_add+0x30e/0xa40 [ 6572.335113][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6572.335113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6572.335113][ T10] netlink_rcv_skb+0x130/0x360 [ 6572.335113][ T10] netlink_unicast+0x449/0x710 [ 6572.335113][ T10] netlink_sendmsg+0x723/0xbe0 [ 6572.335113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6572.335113][ T10] ___sys_sendmsg+0xee/0x170 [ 6572.335113][ T10] __sys_sendmsg+0xcd/0x170 [ 6572.335113][ T10] do_syscall_64+0xc6/0x1e0 [ 6572.335113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6572.335113][ T10] [ 6572.337658][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6572.337658][ T10] netdev_get_by_index+0x5e/0x80 [ 6572.337658][ T10] fib6_nh_init+0x3d8/0x1580 [ 6572.337658][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6572.337658][ T10] ip6_route_add+0x1c/0x140 [ 6572.337658][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6572.337658][ T10] addrconf_add_dev+0xe2/0x170 [ 6572.337658][ T10] inet6_addr_add+0x12f/0xa40 [ 6572.337658][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6572.337658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6572.337658][ T10] netlink_rcv_skb+0x130/0x360 [ 6572.337658][ T10] netlink_unicast+0x449/0x710 [ 6572.337658][ T10] netlink_sendmsg+0x723/0xbe0 [ 6572.337658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6572.337658][ T10] ___sys_sendmsg+0xee/0x170 [ 6572.337658][ T10] __sys_sendmsg+0xcd/0x170 [ 6572.337658][ T10] do_syscall_64+0xc6/0x1e0 [ 6572.337658][ T10] [ 6572.340074][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6572.340074][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6572.340074][ T10] ipv6_find_idev+0x102/0x170 [ 6572.340074][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6572.340074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6572.340074][ T10] netlink_rcv_skb+0x130/0x360 [ 6572.340074][ T10] netlink_unicast+0x449/0x710 [ 6572.340074][ T10] netlink_sendmsg+0x723/0xbe0 [ 6572.340074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6572.340074][ T10] ___sys_sendmsg+0xee/0x170 [ 6572.340074][ T10] __sys_sendmsg+0xcd/0x170 [ 6572.340074][ T10] do_syscall_64+0xc6/0x1e0 [ 6572.340074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6572.340074][ T10] [ 6572.341925][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6572.341925][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6572.341925][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6572.341925][ T10] ipv6_find_idev+0x102/0x170 [ 6572.341925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6572.341925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6572.341925][ T10] netlink_rcv_skb+0x130/0x360 [ 6572.341925][ T10] netlink_unicast+0x449/0x710 [ 6572.341925][ T10] netlink_sendmsg+0x723/0xbe0 [ 6572.341925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6572.341925][ T10] ___sys_sendmsg+0xee/0x170 [ 6572.341925][ T10] __sys_sendmsg+0xcd/0x170 [ 6572.341925][ T10] do_syscall_64+0xc6/0x1e0 [ 6572.341925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6572.341925][ T10] [ 6572.344005][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6572.344260][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6572.344260][ T10] netdev_get_by_index+0x5e/0x80 [ 6572.344260][ T10] fib6_nh_init+0x3d8/0x1580 [ 6572.344260][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6572.344260][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6572.344260][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6572.344260][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6572.344260][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6572.344260][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6572.344260][ T10] addrconf_dad_begin+0x310/0x670 [ 6572.344260][ T10] addrconf_dad_work+0x10b/0xab0 [ 6572.344260][ T10] process_one_work+0x84d/0x18a0 [ 6572.344260][ T10] worker_thread+0x587/0xd30 [ 6572.344260][ T10] kthread+0x28a/0x350 [ 6572.344260][ T10] ret_from_fork+0x31/0x70 [ 6572.344260][ T10] ret_from_fork_asm+0x1a/0x30 [ 6572.344260][ T10] [ 6572.346640][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6572.346640][ T10] netdev_get_by_index+0x5e/0x80 [ 6572.346640][ T10] fib6_nh_init+0x3d8/0x1580 [ 6572.346640][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6572.346640][ T10] ip6_route_add+0x1c/0x140 [ 6572.346640][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6572.346640][ T10] inet6_addr_add+0x4f8/0xa40 [ 6572.346640][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6572.346640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6572.346640][ T10] netlink_rcv_skb+0x130/0x360 [ 6572.346640][ T10] netlink_unicast+0x449/0x710 [ 6572.346640][ T10] netlink_sendmsg+0x723/0xbe0 [ 6572.346640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6572.346640][ T10] ___sys_sendmsg+0xee/0x170 [ 6572.346640][ T10] __sys_sendmsg+0xcd/0x170 [ 6572.346640][ T10] do_syscall_64+0xc6/0x1e0 [ 6572.346640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6572.346640][ T10] [ 6572.349107][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6572.349107][ T10] netdev_get_by_index+0x5e/0x80 [ 6572.349107][ T10] fib6_nh_init+0x3d8/0x1580 [ 6572.349107][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6572.349107][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6572.349107][ T10] ipv6_add_addr+0x411/0x2000 [ 6572.349107][ T10] inet6_addr_add+0x30e/0xa40 [ 6572.349107][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6572.349107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6572.349107][ T10] netlink_rcv_skb+0x130/0x360 [ 6572.349107][ T10] netlink_unicast+0x449/0x710 [ 6572.349107][ T10] netlink_sendmsg+0x723/0xbe0 [ 6572.349107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6572.349107][ T10] ___sys_sendmsg+0xee/0x170 [ 6572.349107][ T10] __sys_sendmsg+0xcd/0x170 [ 6572.349107][ T10] do_syscall_64+0xc6/0x1e0 [ 6572.349107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6572.349107][ T10] [ 6572.351590][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6572.351590][ T10] netdev_get_by_index+0x5e/0x80 [ 6572.351590][ T10] fib6_nh_init+0x3d8/0x1580 [ 6572.351590][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6572.351590][ T10] ip6_route_add+0x1c/0x140 [ 6572.351590][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6572.351590][ T10] addrconf_add_dev+0xe2/0x170 [ 6572.351590][ T10] inet6_addr_add+0x12f/0xa40 [ 6572.351590][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6572.351590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6572.351590][ T10] netlink_rcv_skb+0x130/0x360 [ 6572.351590][ T10] netlink_unicast+0x449/0x710 [ 6572.351590][ T10] netlink_sendmsg+0x723/0xbe0 [ 6572.351590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6572.351590][ T10] ___sys_sendmsg+0xee/0x170 [ 6572.351590][ T10] __sys_sendmsg+0xcd/0x170 [ 6572.351590][ T10] do_syscall_64+0xc6/0x1e0 [ 6572.351590][ T10] [ 6572.353933][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6572.353933][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6572.353933][ T10] ipv6_find_idev+0x102/0x170 [ 6572.353933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6572.353933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6572.353933][ T10] netlink_rcv_skb+0x130/0x360 [ 6572.353933][ T10] netlink_unicast+0x449/0x710 [ 6572.353933][ T10] netlink_sendmsg+0x723/0xbe0 [ 6572.353933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6572.353933][ T10] ___sys_sendmsg+0xee/0x170 [ 6572.353933][ T10] __sys_sendmsg+0xcd/0x170 [ 6572.353933][ T10] do_syscall_64+0xc6/0x1e0 [ 6572.353933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6572.353933][ T10] [ 6572.355830][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6572.355830][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6572.355830][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6572.355830][ T10] ipv6_find_idev+0x102/0x170 [ 6572.355830][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6572.355830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6572.355830][ T10] netlink_rcv_skb+0x130/0x360 [ 6572.355830][ T10] netlink_unicast+0x449/0x710 [ 6572.355830][ T10] netlink_sendmsg+0x723/0xbe0 [ 6572.355830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6572.355830][ T10] ___sys_sendmsg+0xee/0x170 [ 6572.355830][ T10] __sys_sendmsg+0xcd/0x170 [ 6572.355830][ T10] do_syscall_64+0xc6/0x1e0 [ 6572.355830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6572.355830][ T10] [ 6580.145046][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6580.145567][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6580.145567][ T1167] dst_init+0x84/0x4a0 [ 6580.145567][ T1167] dst_alloc+0x97/0x150 [ 6580.145567][ T1167] ip6_dst_alloc+0x23/0x90 [ 6580.145567][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6580.145567][ T1167] ip6_pol_route+0x56f/0x840 [ 6580.145567][ T1167] fib6_rule_lookup+0x334/0x630 [ 6580.145567][ T1167] ip6_route_output_flags+0x259/0x480 [ 6580.145567][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6580.145567][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6580.145567][ T1167] netlink_rcv_skb+0x130/0x360 [ 6580.145567][ T1167] netlink_unicast+0x449/0x710 [ 6580.145567][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6580.145567][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6580.145567][ T1167] ___sys_sendmsg+0xee/0x170 [ 6580.145567][ T1167] __sys_sendmsg+0xcd/0x170 [ 6580.145567][ T1167] do_syscall_64+0xc6/0x1e0 [ 6580.145567][ T1167] [ 6580.148032][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6580.148032][ T1167] netdev_get_by_index+0x5e/0x80 [ 6580.148032][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6580.148032][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6580.148032][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6580.148032][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6580.148032][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6580.148032][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6580.148032][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6580.148032][ T1167] addrconf_dad_begin+0x310/0x670 [ 6580.148032][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6580.148032][ T1167] process_one_work+0x84d/0x18a0 [ 6580.148032][ T1167] worker_thread+0x587/0xd30 [ 6580.148032][ T1167] kthread+0x28a/0x350 [ 6580.148032][ T1167] ret_from_fork+0x31/0x70 [ 6580.148032][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6580.148032][ T1167] [ 6580.150409][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6580.150409][ T1167] netdev_get_by_index+0x5e/0x80 [ 6580.150409][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6580.150409][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6580.150409][ T1167] ip6_route_add+0x1c/0x140 [ 6580.150409][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6580.150409][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6580.150409][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6580.150409][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.150409][ T1167] netlink_rcv_skb+0x130/0x360 [ 6580.150409][ T1167] netlink_unicast+0x449/0x710 [ 6580.150409][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6580.150409][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6580.150409][ T1167] ___sys_sendmsg+0xee/0x170 [ 6580.150409][ T1167] __sys_sendmsg+0xcd/0x170 [ 6580.150409][ T1167] do_syscall_64+0xc6/0x1e0 [ 6580.150409][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6580.150409][ T1167] [ 6580.152876][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6580.152876][ T1167] netdev_get_by_index+0x5e/0x80 [ 6580.152876][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6580.152876][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6580.152876][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6580.152876][ T1167] ipv6_add_addr+0x411/0x2000 [ 6580.152876][ T1167] inet6_addr_add+0x30e/0xa40 [ 6580.152876][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6580.152876][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.152876][ T1167] netlink_rcv_skb+0x130/0x360 [ 6580.152876][ T1167] netlink_unicast+0x449/0x710 [ 6580.152876][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6580.152876][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6580.152876][ T1167] ___sys_sendmsg+0xee/0x170 [ 6580.152876][ T1167] __sys_sendmsg+0xcd/0x170 [ 6580.152876][ T1167] do_syscall_64+0xc6/0x1e0 [ 6580.152876][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6580.152876][ T1167] [ 6580.155350][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6580.155350][ T1167] netdev_get_by_index+0x5e/0x80 [ 6580.155350][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6580.155350][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6580.155350][ T1167] ip6_route_add+0x1c/0x140 [ 6580.155350][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6580.155350][ T1167] addrconf_add_dev+0xe2/0x170 [ 6580.155350][ T1167] inet6_addr_add+0x12f/0xa40 [ 6580.155350][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6580.155350][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.155350][ T1167] netlink_rcv_skb+0x130/0x360 [ 6580.155350][ T1167] netlink_unicast+0x449/0x710 [ 6580.155350][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6580.155350][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6580.155350][ T1167] ___sys_sendmsg+0xee/0x170 [ 6580.155350][ T1167] __sys_sendmsg+0xcd/0x170 [ 6580.155350][ T1167] do_syscall_64+0xc6/0x1e0 [ 6580.155350][ T1167] [ 6580.157790][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6580.157790][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6580.157790][ T1167] ipv6_find_idev+0x102/0x170 [ 6580.157790][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6580.157790][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.157790][ T1167] netlink_rcv_skb+0x130/0x360 [ 6580.157790][ T1167] netlink_unicast+0x449/0x710 [ 6580.157790][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6580.157790][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6580.157790][ T1167] ___sys_sendmsg+0xee/0x170 [ 6580.157790][ T1167] __sys_sendmsg+0xcd/0x170 [ 6580.157790][ T1167] do_syscall_64+0xc6/0x1e0 [ 6580.157790][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6580.157790][ T1167] [ 6580.159697][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6580.159697][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6580.159697][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6580.159697][ T1167] ipv6_find_idev+0x102/0x170 [ 6580.159697][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6580.159697][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.159697][ T1167] netlink_rcv_skb+0x130/0x360 [ 6580.159697][ T1167] netlink_unicast+0x449/0x710 [ 6580.159697][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6580.159697][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6580.159697][ T1167] ___sys_sendmsg+0xee/0x170 [ 6580.159697][ T1167] __sys_sendmsg+0xcd/0x170 [ 6580.159697][ T1167] do_syscall_64+0xc6/0x1e0 [ 6580.159697][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6580.159697][ T1167] [ 6582.601157][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6582.601587][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6582.601587][ T10] netdev_get_by_index+0x5e/0x80 [ 6582.601587][ T10] fib6_nh_init+0x3d8/0x1580 [ 6582.601587][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6582.601587][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6582.601587][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6582.601587][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6582.601587][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6582.601587][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6582.601587][ T10] addrconf_dad_begin+0x310/0x670 [ 6582.601587][ T10] addrconf_dad_work+0x10b/0xab0 [ 6582.601587][ T10] process_one_work+0x84d/0x18a0 [ 6582.601587][ T10] worker_thread+0x587/0xd30 [ 6582.601587][ T10] kthread+0x28a/0x350 [ 6582.601587][ T10] ret_from_fork+0x31/0x70 [ 6582.601587][ T10] ret_from_fork_asm+0x1a/0x30 [ 6582.601587][ T10] [ 6582.603732][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6582.603732][ T10] netdev_get_by_index+0x5e/0x80 [ 6582.603732][ T10] fib6_nh_init+0x3d8/0x1580 [ 6582.603732][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6582.603732][ T10] ip6_route_add+0x1c/0x140 [ 6582.603732][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6582.603732][ T10] inet6_addr_add+0x4f8/0xa40 [ 6582.603732][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6582.603732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.603732][ T10] netlink_rcv_skb+0x130/0x360 [ 6582.603732][ T10] netlink_unicast+0x449/0x710 [ 6582.603732][ T10] netlink_sendmsg+0x723/0xbe0 [ 6582.603732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6582.603732][ T10] ___sys_sendmsg+0xee/0x170 [ 6582.603732][ T10] __sys_sendmsg+0xcd/0x170 [ 6582.603732][ T10] do_syscall_64+0xc6/0x1e0 [ 6582.603732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.603732][ T10] [ 6582.605964][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6582.605964][ T10] netdev_get_by_index+0x5e/0x80 [ 6582.605964][ T10] fib6_nh_init+0x3d8/0x1580 [ 6582.605964][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6582.605964][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6582.605964][ T10] ipv6_add_addr+0x411/0x2000 [ 6582.605964][ T10] inet6_addr_add+0x30e/0xa40 [ 6582.605964][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6582.605964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.605964][ T10] netlink_rcv_skb+0x130/0x360 [ 6582.605964][ T10] netlink_unicast+0x449/0x710 [ 6582.605964][ T10] netlink_sendmsg+0x723/0xbe0 [ 6582.605964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6582.605964][ T10] ___sys_sendmsg+0xee/0x170 [ 6582.605964][ T10] __sys_sendmsg+0xcd/0x170 [ 6582.605964][ T10] do_syscall_64+0xc6/0x1e0 [ 6582.605964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.605964][ T10] [ 6582.608189][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6582.608189][ T10] netdev_get_by_index+0x5e/0x80 [ 6582.608189][ T10] fib6_nh_init+0x3d8/0x1580 [ 6582.608189][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6582.608189][ T10] ip6_route_add+0x1c/0x140 [ 6582.608189][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6582.608189][ T10] addrconf_add_dev+0xe2/0x170 [ 6582.608189][ T10] inet6_addr_add+0x12f/0xa40 [ 6582.608189][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6582.608189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.608189][ T10] netlink_rcv_skb+0x130/0x360 [ 6582.608189][ T10] netlink_unicast+0x449/0x710 [ 6582.608189][ T10] netlink_sendmsg+0x723/0xbe0 [ 6582.608189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6582.608189][ T10] ___sys_sendmsg+0xee/0x170 [ 6582.608189][ T10] __sys_sendmsg+0xcd/0x170 [ 6582.608189][ T10] do_syscall_64+0xc6/0x1e0 [ 6582.608189][ T10] [ 6582.610370][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6582.610370][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6582.610370][ T10] ipv6_find_idev+0x102/0x170 [ 6582.610370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6582.610370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.610370][ T10] netlink_rcv_skb+0x130/0x360 [ 6582.610370][ T10] netlink_unicast+0x449/0x710 [ 6582.610370][ T10] netlink_sendmsg+0x723/0xbe0 [ 6582.610370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6582.610370][ T10] ___sys_sendmsg+0xee/0x170 [ 6582.610370][ T10] __sys_sendmsg+0xcd/0x170 [ 6582.610370][ T10] do_syscall_64+0xc6/0x1e0 [ 6582.610370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.610370][ T10] [ 6582.612082][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6582.612082][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6582.612082][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6582.612082][ T10] ipv6_find_idev+0x102/0x170 [ 6582.612082][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6582.612082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.612082][ T10] netlink_rcv_skb+0x130/0x360 [ 6582.612082][ T10] netlink_unicast+0x449/0x710 [ 6582.612082][ T10] netlink_sendmsg+0x723/0xbe0 [ 6582.612082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6582.612082][ T10] ___sys_sendmsg+0xee/0x170 [ 6582.612082][ T10] __sys_sendmsg+0xcd/0x170 [ 6582.612082][ T10] do_syscall_64+0xc6/0x1e0 [ 6582.612082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.612082][ T10] [ 6582.613951][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6582.614232][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6582.614232][ T10] netdev_get_by_index+0x5e/0x80 [ 6582.614232][ T10] fib6_nh_init+0x3d8/0x1580 [ 6582.614232][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6582.614232][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6582.614232][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6582.614232][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6582.614232][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6582.614232][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6582.614232][ T10] addrconf_dad_begin+0x310/0x670 [ 6582.614232][ T10] addrconf_dad_work+0x10b/0xab0 [ 6582.614232][ T10] process_one_work+0x84d/0x18a0 [ 6582.614232][ T10] worker_thread+0x587/0xd30 [ 6582.614232][ T10] kthread+0x28a/0x350 [ 6582.614232][ T10] ret_from_fork+0x31/0x70 [ 6582.614232][ T10] ret_from_fork_asm+0x1a/0x30 [ 6582.614232][ T10] [ 6582.616355][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6582.616355][ T10] netdev_get_by_index+0x5e/0x80 [ 6582.616355][ T10] fib6_nh_init+0x3d8/0x1580 [ 6582.616355][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6582.616355][ T10] ip6_route_add+0x1c/0x140 [ 6582.616355][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6582.616355][ T10] inet6_addr_add+0x4f8/0xa40 [ 6582.616355][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6582.616355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.616355][ T10] netlink_rcv_skb+0x130/0x360 [ 6582.616355][ T10] netlink_unicast+0x449/0x710 [ 6582.616355][ T10] netlink_sendmsg+0x723/0xbe0 [ 6582.616355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6582.616355][ T10] ___sys_sendmsg+0xee/0x170 [ 6582.616355][ T10] __sys_sendmsg+0xcd/0x170 [ 6582.616355][ T10] do_syscall_64+0xc6/0x1e0 [ 6582.616355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.616355][ T10] [ 6582.618579][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6582.618579][ T10] netdev_get_by_index+0x5e/0x80 [ 6582.618579][ T10] fib6_nh_init+0x3d8/0x1580 [ 6582.618579][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6582.618579][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6582.618579][ T10] ipv6_add_addr+0x411/0x2000 [ 6582.618579][ T10] inet6_addr_add+0x30e/0xa40 [ 6582.618579][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6582.618579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.618579][ T10] netlink_rcv_skb+0x130/0x360 [ 6582.618579][ T10] netlink_unicast+0x449/0x710 [ 6582.618579][ T10] netlink_sendmsg+0x723/0xbe0 [ 6582.618579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6582.618579][ T10] ___sys_sendmsg+0xee/0x170 [ 6582.618579][ T10] __sys_sendmsg+0xcd/0x170 [ 6582.618579][ T10] do_syscall_64+0xc6/0x1e0 [ 6582.618579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.618579][ T10] [ 6582.620797][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6582.620797][ T10] netdev_get_by_index+0x5e/0x80 [ 6582.620797][ T10] fib6_nh_init+0x3d8/0x1580 [ 6582.620797][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6582.620797][ T10] ip6_route_add+0x1c/0x140 [ 6582.620797][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6582.620797][ T10] addrconf_add_dev+0xe2/0x170 [ 6582.620797][ T10] inet6_addr_add+0x12f/0xa40 [ 6582.620797][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6582.620797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.620797][ T10] netlink_rcv_skb+0x130/0x360 [ 6582.620797][ T10] netlink_unicast+0x449/0x710 [ 6582.620797][ T10] netlink_sendmsg+0x723/0xbe0 [ 6582.620797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6582.620797][ T10] ___sys_sendmsg+0xee/0x170 [ 6582.620797][ T10] __sys_sendmsg+0xcd/0x170 [ 6582.620797][ T10] do_syscall_64+0xc6/0x1e0 [ 6582.620797][ T10] [ 6582.622968][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6582.622968][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6582.622968][ T10] ipv6_find_idev+0x102/0x170 [ 6582.622968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6582.622968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.622968][ T10] netlink_rcv_skb+0x130/0x360 [ 6582.622968][ T10] netlink_unicast+0x449/0x710 [ 6582.622968][ T10] netlink_sendmsg+0x723/0xbe0 [ 6582.622968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6582.622968][ T10] ___sys_sendmsg+0xee/0x170 [ 6582.622968][ T10] __sys_sendmsg+0xcd/0x170 [ 6582.622968][ T10] do_syscall_64+0xc6/0x1e0 [ 6582.622968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.622968][ T10] [ 6582.624672][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6582.624672][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6582.624672][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6582.624672][ T10] ipv6_find_idev+0x102/0x170 [ 6582.624672][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6582.624672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.624672][ T10] netlink_rcv_skb+0x130/0x360 [ 6582.624672][ T10] netlink_unicast+0x449/0x710 [ 6582.624672][ T10] netlink_sendmsg+0x723/0xbe0 [ 6582.624672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6582.624672][ T10] ___sys_sendmsg+0xee/0x170 [ 6582.624672][ T10] __sys_sendmsg+0xcd/0x170 [ 6582.624672][ T10] do_syscall_64+0xc6/0x1e0 [ 6582.624672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.624672][ T10] [ 6582.626532][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6582.626788][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6582.626788][ T10] netdev_get_by_index+0x5e/0x80 [ 6582.626788][ T10] fib6_nh_init+0x3d8/0x1580 [ 6582.626788][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6582.626788][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6582.626788][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6582.626788][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6582.626788][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6582.626788][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6582.626788][ T10] addrconf_dad_begin+0x310/0x670 [ 6582.626788][ T10] addrconf_dad_work+0x10b/0xab0 [ 6582.626788][ T10] process_one_work+0x84d/0x18a0 [ 6582.626788][ T10] worker_thread+0x587/0xd30 [ 6582.626788][ T10] kthread+0x28a/0x350 [ 6582.626788][ T10] ret_from_fork+0x31/0x70 [ 6582.626788][ T10] ret_from_fork_asm+0x1a/0x30 [ 6582.626788][ T10] [ 6582.628900][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6582.628900][ T10] netdev_get_by_index+0x5e/0x80 [ 6582.628900][ T10] fib6_nh_init+0x3d8/0x1580 [ 6582.628900][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6582.628900][ T10] ip6_route_add+0x1c/0x140 [ 6582.628900][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6582.628900][ T10] inet6_addr_add+0x4f8/0xa40 [ 6582.628900][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6582.628900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.628900][ T10] netlink_rcv_skb+0x130/0x360 [ 6582.628900][ T10] netlink_unicast+0x449/0x710 [ 6582.628900][ T10] netlink_sendmsg+0x723/0xbe0 [ 6582.628900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6582.628900][ T10] ___sys_sendmsg+0xee/0x170 [ 6582.628900][ T10] __sys_sendmsg+0xcd/0x170 [ 6582.628900][ T10] do_syscall_64+0xc6/0x1e0 [ 6582.628900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.628900][ T10] [ 6582.631300][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6582.631300][ T10] netdev_get_by_index+0x5e/0x80 [ 6582.631300][ T10] fib6_nh_init+0x3d8/0x1580 [ 6582.631300][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6582.631300][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6582.631300][ T10] ipv6_add_addr+0x411/0x2000 [ 6582.631300][ T10] inet6_addr_add+0x30e/0xa40 [ 6582.631300][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6582.631300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.631300][ T10] netlink_rcv_skb+0x130/0x360 [ 6582.631300][ T10] netlink_unicast+0x449/0x710 [ 6582.631300][ T10] netlink_sendmsg+0x723/0xbe0 [ 6582.631300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6582.631300][ T10] ___sys_sendmsg+0xee/0x170 [ 6582.631300][ T10] __sys_sendmsg+0xcd/0x170 [ 6582.631300][ T10] do_syscall_64+0xc6/0x1e0 [ 6582.631300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.631300][ T10] [ 6582.633760][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6582.633760][ T10] netdev_get_by_index+0x5e/0x80 [ 6582.633760][ T10] fib6_nh_init+0x3d8/0x1580 [ 6582.633760][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6582.633760][ T10] ip6_route_add+0x1c/0x140 [ 6582.633760][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6582.633760][ T10] addrconf_add_dev+0xe2/0x170 [ 6582.633760][ T10] inet6_addr_add+0x12f/0xa40 [ 6582.633760][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6582.633760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.633760][ T10] netlink_rcv_skb+0x130/0x360 [ 6582.633760][ T10] netlink_unicast+0x449/0x710 [ 6582.633760][ T10] netlink_sendmsg+0x723/0xbe0 [ 6582.633760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6582.633760][ T10] ___sys_sendmsg+0xee/0x170 [ 6582.633760][ T10] __sys_sendmsg+0xcd/0x170 [ 6582.633760][ T10] do_syscall_64+0xc6/0x1e0 [ 6582.633760][ T10] [ 6582.636182][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6582.636182][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6582.636182][ T10] ipv6_find_idev+0x102/0x170 [ 6582.636182][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6582.636182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.636182][ T10] netlink_rcv_skb+0x130/0x360 [ 6582.636182][ T10] netlink_unicast+0x449/0x710 [ 6582.636182][ T10] netlink_sendmsg+0x723/0xbe0 [ 6582.636182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6582.636182][ T10] ___sys_sendmsg+0xee/0x170 [ 6582.636182][ T10] __sys_sendmsg+0xcd/0x170 [ 6582.636182][ T10] do_syscall_64+0xc6/0x1e0 [ 6582.636182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.636182][ T10] [ 6582.638116][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6582.638116][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6582.638116][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6582.638116][ T10] ipv6_find_idev+0x102/0x170 [ 6582.638116][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6582.638116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.638116][ T10] netlink_rcv_skb+0x130/0x360 [ 6582.638116][ T10] netlink_unicast+0x449/0x710 [ 6582.638116][ T10] netlink_sendmsg+0x723/0xbe0 [ 6582.638116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6582.638116][ T10] ___sys_sendmsg+0xee/0x170 [ 6582.638116][ T10] __sys_sendmsg+0xcd/0x170 [ 6582.638116][ T10] do_syscall_64+0xc6/0x1e0 [ 6582.638116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.638116][ T10] [ 6582.640565][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6582.640822][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6582.640822][ T10] netdev_get_by_index+0x5e/0x80 [ 6582.640822][ T10] fib6_nh_init+0x3d8/0x1580 [ 6582.640822][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6582.640822][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6582.640822][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6582.640822][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6582.640822][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6582.640822][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6582.640822][ T10] addrconf_dad_begin+0x310/0x670 [ 6582.640822][ T10] addrconf_dad_work+0x10b/0xab0 [ 6582.640822][ T10] process_one_work+0x84d/0x18a0 [ 6582.640822][ T10] worker_thread+0x587/0xd30 [ 6582.640822][ T10] kthread+0x28a/0x350 [ 6582.640822][ T10] ret_from_fork+0x31/0x70 [ 6582.640822][ T10] ret_from_fork_asm+0x1a/0x30 [ 6582.640822][ T10] [ 6582.642967][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6582.642967][ T10] netdev_get_by_index+0x5e/0x80 [ 6582.642967][ T10] fib6_nh_init+0x3d8/0x1580 [ 6582.642967][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6582.642967][ T10] ip6_route_add+0x1c/0x140 [ 6582.642967][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6582.642967][ T10] inet6_addr_add+0x4f8/0xa40 [ 6582.642967][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6582.642967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.642967][ T10] netlink_rcv_skb+0x130/0x360 [ 6582.642967][ T10] netlink_unicast+0x449/0x710 [ 6582.642967][ T10] netlink_sendmsg+0x723/0xbe0 [ 6582.642967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6582.642967][ T10] ___sys_sendmsg+0xee/0x170 [ 6582.642967][ T10] __sys_sendmsg+0xcd/0x170 [ 6582.642967][ T10] do_syscall_64+0xc6/0x1e0 [ 6582.642967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.642967][ T10] [ 6582.645314][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6582.645314][ T10] netdev_get_by_index+0x5e/0x80 [ 6582.645314][ T10] fib6_nh_init+0x3d8/0x1580 [ 6582.645314][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6582.645314][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6582.645314][ T10] ipv6_add_addr+0x411/0x2000 [ 6582.645314][ T10] inet6_addr_add+0x30e/0xa40 [ 6582.645314][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6582.645314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.645314][ T10] netlink_rcv_skb+0x130/0x360 [ 6582.645314][ T10] netlink_unicast+0x449/0x710 [ 6582.645314][ T10] netlink_sendmsg+0x723/0xbe0 [ 6582.645314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6582.645314][ T10] ___sys_sendmsg+0xee/0x170 [ 6582.645314][ T10] __sys_sendmsg+0xcd/0x170 [ 6582.645314][ T10] do_syscall_64+0xc6/0x1e0 [ 6582.645314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.645314][ T10] [ 6582.647785][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6582.647785][ T10] netdev_get_by_index+0x5e/0x80 [ 6582.647785][ T10] fib6_nh_init+0x3d8/0x1580 [ 6582.647785][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6582.647785][ T10] ip6_route_add+0x1c/0x140 [ 6582.647785][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6582.647785][ T10] addrconf_add_dev+0xe2/0x170 [ 6582.647785][ T10] inet6_addr_add+0x12f/0xa40 [ 6582.647785][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6582.647785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.647785][ T10] netlink_rcv_skb+0x130/0x360 [ 6582.647785][ T10] netlink_unicast+0x449/0x710 [ 6582.647785][ T10] netlink_sendmsg+0x723/0xbe0 [ 6582.647785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6582.647785][ T10] ___sys_sendmsg+0xee/0x170 [ 6582.647785][ T10] __sys_sendmsg+0xcd/0x170 [ 6582.647785][ T10] do_syscall_64+0xc6/0x1e0 [ 6582.647785][ T10] [ 6582.650135][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6582.650135][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6582.650135][ T10] ipv6_find_idev+0x102/0x170 [ 6582.650135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6582.650135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.650135][ T10] netlink_rcv_skb+0x130/0x360 [ 6582.650135][ T10] netlink_unicast+0x449/0x710 [ 6582.650135][ T10] netlink_sendmsg+0x723/0xbe0 [ 6582.650135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6582.650135][ T10] ___sys_sendmsg+0xee/0x170 [ 6582.650135][ T10] __sys_sendmsg+0xcd/0x170 [ 6582.650135][ T10] do_syscall_64+0xc6/0x1e0 [ 6582.650135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.650135][ T10] [ 6582.652028][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6582.652028][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6582.652028][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6582.652028][ T10] ipv6_find_idev+0x102/0x170 [ 6582.652028][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6582.652028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6582.652028][ T10] netlink_rcv_skb+0x130/0x360 [ 6582.652028][ T10] netlink_unicast+0x449/0x710 [ 6582.652028][ T10] netlink_sendmsg+0x723/0xbe0 [ 6582.652028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6582.652028][ T10] ___sys_sendmsg+0xee/0x170 [ 6582.652028][ T10] __sys_sendmsg+0xcd/0x170 [ 6582.652028][ T10] do_syscall_64+0xc6/0x1e0 [ 6582.652028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6582.652028][ T10] [ 6590.233128][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6590.233622][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6590.233622][ T1167] dst_init+0x84/0x4a0 [ 6590.233622][ T1167] dst_alloc+0x97/0x150 [ 6590.233622][ T1167] ip6_dst_alloc+0x23/0x90 [ 6590.233622][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6590.233622][ T1167] ip6_pol_route+0x56f/0x840 [ 6590.233622][ T1167] fib6_rule_lookup+0x334/0x630 [ 6590.233622][ T1167] ip6_route_output_flags+0x259/0x480 [ 6590.233622][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6590.233622][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6590.233622][ T1167] netlink_rcv_skb+0x130/0x360 [ 6590.233622][ T1167] netlink_unicast+0x449/0x710 [ 6590.233622][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6590.233622][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6590.233622][ T1167] ___sys_sendmsg+0xee/0x170 [ 6590.233622][ T1167] __sys_sendmsg+0xcd/0x170 [ 6590.233622][ T1167] do_syscall_64+0xc6/0x1e0 [ 6590.233622][ T1167] [ 6590.236029][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6590.236029][ T1167] netdev_get_by_index+0x5e/0x80 [ 6590.236029][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6590.236029][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6590.236029][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6590.236029][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6590.236029][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6590.236029][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6590.236029][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6590.236029][ T1167] addrconf_dad_begin+0x310/0x670 [ 6590.236029][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6590.236029][ T1167] process_one_work+0x84d/0x18a0 [ 6590.236029][ T1167] worker_thread+0x587/0xd30 [ 6590.236029][ T1167] kthread+0x28a/0x350 [ 6590.236029][ T1167] ret_from_fork+0x31/0x70 [ 6590.236029][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6590.236029][ T1167] [ 6590.238394][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6590.238394][ T1167] netdev_get_by_index+0x5e/0x80 [ 6590.238394][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6590.238394][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6590.238394][ T1167] ip6_route_add+0x1c/0x140 [ 6590.238394][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6590.238394][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6590.238394][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6590.238394][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.238394][ T1167] netlink_rcv_skb+0x130/0x360 [ 6590.238394][ T1167] netlink_unicast+0x449/0x710 [ 6590.238394][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6590.238394][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6590.238394][ T1167] ___sys_sendmsg+0xee/0x170 [ 6590.238394][ T1167] __sys_sendmsg+0xcd/0x170 [ 6590.238394][ T1167] do_syscall_64+0xc6/0x1e0 [ 6590.238394][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6590.238394][ T1167] [ 6590.240852][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6590.240852][ T1167] netdev_get_by_index+0x5e/0x80 [ 6590.240852][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6590.240852][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6590.240852][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6590.240852][ T1167] ipv6_add_addr+0x411/0x2000 [ 6590.240852][ T1167] inet6_addr_add+0x30e/0xa40 [ 6590.240852][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6590.240852][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.240852][ T1167] netlink_rcv_skb+0x130/0x360 [ 6590.240852][ T1167] netlink_unicast+0x449/0x710 [ 6590.240852][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6590.240852][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6590.240852][ T1167] ___sys_sendmsg+0xee/0x170 [ 6590.240852][ T1167] __sys_sendmsg+0xcd/0x170 [ 6590.240852][ T1167] do_syscall_64+0xc6/0x1e0 [ 6590.240852][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6590.240852][ T1167] [ 6590.243316][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6590.243316][ T1167] netdev_get_by_index+0x5e/0x80 [ 6590.243316][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6590.243316][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6590.243316][ T1167] ip6_route_add+0x1c/0x140 [ 6590.243316][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6590.243316][ T1167] addrconf_add_dev+0xe2/0x170 [ 6590.243316][ T1167] inet6_addr_add+0x12f/0xa40 [ 6590.243316][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6590.243316][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.243316][ T1167] netlink_rcv_skb+0x130/0x360 [ 6590.243316][ T1167] netlink_unicast+0x449/0x710 [ 6590.243316][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6590.243316][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6590.243316][ T1167] ___sys_sendmsg+0xee/0x170 [ 6590.243316][ T1167] __sys_sendmsg+0xcd/0x170 [ 6590.243316][ T1167] do_syscall_64+0xc6/0x1e0 [ 6590.243316][ T1167] [ 6590.245728][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6590.245728][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6590.245728][ T1167] ipv6_find_idev+0x102/0x170 [ 6590.245728][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6590.245728][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.245728][ T1167] netlink_rcv_skb+0x130/0x360 [ 6590.245728][ T1167] netlink_unicast+0x449/0x710 [ 6590.245728][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6590.245728][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6590.245728][ T1167] ___sys_sendmsg+0xee/0x170 [ 6590.245728][ T1167] __sys_sendmsg+0xcd/0x170 [ 6590.245728][ T1167] do_syscall_64+0xc6/0x1e0 [ 6590.245728][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6590.245728][ T1167] [ 6590.247621][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6590.247621][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6590.247621][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6590.247621][ T1167] ipv6_find_idev+0x102/0x170 [ 6590.247621][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6590.247621][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.247621][ T1167] netlink_rcv_skb+0x130/0x360 [ 6590.247621][ T1167] netlink_unicast+0x449/0x710 [ 6590.247621][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6590.247621][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6590.247621][ T1167] ___sys_sendmsg+0xee/0x170 [ 6590.247621][ T1167] __sys_sendmsg+0xcd/0x170 [ 6590.247621][ T1167] do_syscall_64+0xc6/0x1e0 [ 6590.247621][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6590.247621][ T1167] [ 6592.793122][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6592.793541][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6592.793541][ T10] netdev_get_by_index+0x5e/0x80 [ 6592.793541][ T10] fib6_nh_init+0x3d8/0x1580 [ 6592.793541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6592.793541][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6592.793541][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6592.793541][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6592.793541][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6592.793541][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6592.793541][ T10] addrconf_dad_begin+0x310/0x670 [ 6592.793541][ T10] addrconf_dad_work+0x10b/0xab0 [ 6592.793541][ T10] process_one_work+0x84d/0x18a0 [ 6592.793541][ T10] worker_thread+0x587/0xd30 [ 6592.793541][ T10] kthread+0x28a/0x350 [ 6592.793541][ T10] ret_from_fork+0x31/0x70 [ 6592.793541][ T10] ret_from_fork_asm+0x1a/0x30 [ 6592.793541][ T10] [ 6592.795677][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6592.795677][ T10] netdev_get_by_index+0x5e/0x80 [ 6592.795677][ T10] fib6_nh_init+0x3d8/0x1580 [ 6592.795677][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6592.795677][ T10] ip6_route_add+0x1c/0x140 [ 6592.795677][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6592.795677][ T10] inet6_addr_add+0x4f8/0xa40 [ 6592.795677][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6592.795677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.795677][ T10] netlink_rcv_skb+0x130/0x360 [ 6592.795677][ T10] netlink_unicast+0x449/0x710 [ 6592.795677][ T10] netlink_sendmsg+0x723/0xbe0 [ 6592.795677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6592.795677][ T10] ___sys_sendmsg+0xee/0x170 [ 6592.795677][ T10] __sys_sendmsg+0xcd/0x170 [ 6592.795677][ T10] do_syscall_64+0xc6/0x1e0 [ 6592.795677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.795677][ T10] [ 6592.797992][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6592.797992][ T10] netdev_get_by_index+0x5e/0x80 [ 6592.797992][ T10] fib6_nh_init+0x3d8/0x1580 [ 6592.797992][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6592.797992][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6592.797992][ T10] ipv6_add_addr+0x411/0x2000 [ 6592.797992][ T10] inet6_addr_add+0x30e/0xa40 [ 6592.797992][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6592.797992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.797992][ T10] netlink_rcv_skb+0x130/0x360 [ 6592.797992][ T10] netlink_unicast+0x449/0x710 [ 6592.797992][ T10] netlink_sendmsg+0x723/0xbe0 [ 6592.797992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6592.797992][ T10] ___sys_sendmsg+0xee/0x170 [ 6592.797992][ T10] __sys_sendmsg+0xcd/0x170 [ 6592.797992][ T10] do_syscall_64+0xc6/0x1e0 [ 6592.797992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.797992][ T10] [ 6592.800225][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6592.800225][ T10] netdev_get_by_index+0x5e/0x80 [ 6592.800225][ T10] fib6_nh_init+0x3d8/0x1580 [ 6592.800225][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6592.800225][ T10] ip6_route_add+0x1c/0x140 [ 6592.800225][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6592.800225][ T10] addrconf_add_dev+0xe2/0x170 [ 6592.800225][ T10] inet6_addr_add+0x12f/0xa40 [ 6592.800225][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6592.800225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.800225][ T10] netlink_rcv_skb+0x130/0x360 [ 6592.800225][ T10] netlink_unicast+0x449/0x710 [ 6592.800225][ T10] netlink_sendmsg+0x723/0xbe0 [ 6592.800225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6592.800225][ T10] ___sys_sendmsg+0xee/0x170 [ 6592.800225][ T10] __sys_sendmsg+0xcd/0x170 [ 6592.800225][ T10] do_syscall_64+0xc6/0x1e0 [ 6592.800225][ T10] [ 6592.802419][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6592.802419][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6592.802419][ T10] ipv6_find_idev+0x102/0x170 [ 6592.802419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6592.802419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.802419][ T10] netlink_rcv_skb+0x130/0x360 [ 6592.802419][ T10] netlink_unicast+0x449/0x710 [ 6592.802419][ T10] netlink_sendmsg+0x723/0xbe0 [ 6592.802419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6592.802419][ T10] ___sys_sendmsg+0xee/0x170 [ 6592.802419][ T10] __sys_sendmsg+0xcd/0x170 [ 6592.802419][ T10] do_syscall_64+0xc6/0x1e0 [ 6592.802419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.802419][ T10] [ 6592.804125][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6592.804125][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6592.804125][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6592.804125][ T10] ipv6_find_idev+0x102/0x170 [ 6592.804125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6592.804125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.804125][ T10] netlink_rcv_skb+0x130/0x360 [ 6592.804125][ T10] netlink_unicast+0x449/0x710 [ 6592.804125][ T10] netlink_sendmsg+0x723/0xbe0 [ 6592.804125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6592.804125][ T10] ___sys_sendmsg+0xee/0x170 [ 6592.804125][ T10] __sys_sendmsg+0xcd/0x170 [ 6592.804125][ T10] do_syscall_64+0xc6/0x1e0 [ 6592.804125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.804125][ T10] [ 6592.806168][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6592.806487][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6592.806487][ T10] netdev_get_by_index+0x5e/0x80 [ 6592.806487][ T10] fib6_nh_init+0x3d8/0x1580 [ 6592.806487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6592.806487][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6592.806487][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6592.806487][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6592.806487][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6592.806487][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6592.806487][ T10] addrconf_dad_begin+0x310/0x670 [ 6592.806487][ T10] addrconf_dad_work+0x10b/0xab0 [ 6592.806487][ T10] process_one_work+0x84d/0x18a0 [ 6592.806487][ T10] worker_thread+0x587/0xd30 [ 6592.806487][ T10] kthread+0x28a/0x350 [ 6592.806487][ T10] ret_from_fork+0x31/0x70 [ 6592.806487][ T10] ret_from_fork_asm+0x1a/0x30 [ 6592.806487][ T10] [ 6592.808755][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6592.808755][ T10] netdev_get_by_index+0x5e/0x80 [ 6592.808755][ T10] fib6_nh_init+0x3d8/0x1580 [ 6592.808755][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6592.808755][ T10] ip6_route_add+0x1c/0x140 [ 6592.808755][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6592.808755][ T10] inet6_addr_add+0x4f8/0xa40 [ 6592.808755][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6592.808755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.808755][ T10] netlink_rcv_skb+0x130/0x360 [ 6592.808755][ T10] netlink_unicast+0x449/0x710 [ 6592.808755][ T10] netlink_sendmsg+0x723/0xbe0 [ 6592.808755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6592.808755][ T10] ___sys_sendmsg+0xee/0x170 [ 6592.808755][ T10] __sys_sendmsg+0xcd/0x170 [ 6592.808755][ T10] do_syscall_64+0xc6/0x1e0 [ 6592.808755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.808755][ T10] [ 6592.811801][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6592.811801][ T10] netdev_get_by_index+0x5e/0x80 [ 6592.811801][ T10] fib6_nh_init+0x3d8/0x1580 [ 6592.811801][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6592.811801][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6592.811801][ T10] ipv6_add_addr+0x411/0x2000 [ 6592.811801][ T10] inet6_addr_add+0x30e/0xa40 [ 6592.811801][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6592.811801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.811801][ T10] netlink_rcv_skb+0x130/0x360 [ 6592.811801][ T10] netlink_unicast+0x449/0x710 [ 6592.811801][ T10] netlink_sendmsg+0x723/0xbe0 [ 6592.811801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6592.811801][ T10] ___sys_sendmsg+0xee/0x170 [ 6592.811801][ T10] __sys_sendmsg+0xcd/0x170 [ 6592.811801][ T10] do_syscall_64+0xc6/0x1e0 [ 6592.811801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.811801][ T10] [ 6592.814856][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6592.814856][ T10] netdev_get_by_index+0x5e/0x80 [ 6592.814856][ T10] fib6_nh_init+0x3d8/0x1580 [ 6592.814856][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6592.814856][ T10] ip6_route_add+0x1c/0x140 [ 6592.814856][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6592.814856][ T10] addrconf_add_dev+0xe2/0x170 [ 6592.814856][ T10] inet6_addr_add+0x12f/0xa40 [ 6592.814856][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6592.814856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.814856][ T10] netlink_rcv_skb+0x130/0x360 [ 6592.814856][ T10] netlink_unicast+0x449/0x710 [ 6592.814856][ T10] netlink_sendmsg+0x723/0xbe0 [ 6592.814856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6592.814856][ T10] ___sys_sendmsg+0xee/0x170 [ 6592.814856][ T10] __sys_sendmsg+0xcd/0x170 [ 6592.814856][ T10] do_syscall_64+0xc6/0x1e0 [ 6592.814856][ T10] [ 6592.817921][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6592.817921][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6592.817921][ T10] ipv6_find_idev+0x102/0x170 [ 6592.817921][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6592.817921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.817921][ T10] netlink_rcv_skb+0x130/0x360 [ 6592.817921][ T10] netlink_unicast+0x449/0x710 [ 6592.817921][ T10] netlink_sendmsg+0x723/0xbe0 [ 6592.817921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6592.817921][ T10] ___sys_sendmsg+0xee/0x170 [ 6592.817921][ T10] __sys_sendmsg+0xcd/0x170 [ 6592.817921][ T10] do_syscall_64+0xc6/0x1e0 [ 6592.817921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.817921][ T10] [ 6592.820270][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6592.820270][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6592.820270][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6592.820270][ T10] ipv6_find_idev+0x102/0x170 [ 6592.820270][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6592.820270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.820270][ T10] netlink_rcv_skb+0x130/0x360 [ 6592.820270][ T10] netlink_unicast+0x449/0x710 [ 6592.820270][ T10] netlink_sendmsg+0x723/0xbe0 [ 6592.820270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6592.820270][ T10] ___sys_sendmsg+0xee/0x170 [ 6592.820270][ T10] __sys_sendmsg+0xcd/0x170 [ 6592.820270][ T10] do_syscall_64+0xc6/0x1e0 [ 6592.820270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.820270][ T10] [ 6592.822320][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6592.822576][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6592.822576][ T10] netdev_get_by_index+0x5e/0x80 [ 6592.822576][ T10] fib6_nh_init+0x3d8/0x1580 [ 6592.822576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6592.822576][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6592.822576][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6592.822576][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6592.822576][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6592.822576][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6592.822576][ T10] addrconf_dad_begin+0x310/0x670 [ 6592.822576][ T10] addrconf_dad_work+0x10b/0xab0 [ 6592.822576][ T10] process_one_work+0x84d/0x18a0 [ 6592.822576][ T10] worker_thread+0x587/0xd30 [ 6592.822576][ T10] kthread+0x28a/0x350 [ 6592.822576][ T10] ret_from_fork+0x31/0x70 [ 6592.822576][ T10] ret_from_fork_asm+0x1a/0x30 [ 6592.822576][ T10] [ 6592.825123][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6592.825123][ T10] netdev_get_by_index+0x5e/0x80 [ 6592.825123][ T10] fib6_nh_init+0x3d8/0x1580 [ 6592.825123][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6592.825123][ T10] ip6_route_add+0x1c/0x140 [ 6592.825123][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6592.825123][ T10] inet6_addr_add+0x4f8/0xa40 [ 6592.825123][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6592.825123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.825123][ T10] netlink_rcv_skb+0x130/0x360 [ 6592.825123][ T10] netlink_unicast+0x449/0x710 [ 6592.825123][ T10] netlink_sendmsg+0x723/0xbe0 [ 6592.825123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6592.825123][ T10] ___sys_sendmsg+0xee/0x170 [ 6592.825123][ T10] __sys_sendmsg+0xcd/0x170 [ 6592.825123][ T10] do_syscall_64+0xc6/0x1e0 [ 6592.825123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.825123][ T10] [ 6592.828073][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6592.828073][ T10] netdev_get_by_index+0x5e/0x80 [ 6592.828073][ T10] fib6_nh_init+0x3d8/0x1580 [ 6592.828073][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6592.828073][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6592.828073][ T10] ipv6_add_addr+0x411/0x2000 [ 6592.828073][ T10] inet6_addr_add+0x30e/0xa40 [ 6592.828073][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6592.828073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.828073][ T10] netlink_rcv_skb+0x130/0x360 [ 6592.828073][ T10] netlink_unicast+0x449/0x710 [ 6592.828073][ T10] netlink_sendmsg+0x723/0xbe0 [ 6592.828073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6592.828073][ T10] ___sys_sendmsg+0xee/0x170 [ 6592.828073][ T10] __sys_sendmsg+0xcd/0x170 [ 6592.828073][ T10] do_syscall_64+0xc6/0x1e0 [ 6592.828073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.828073][ T10] [ 6592.831233][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6592.831233][ T10] netdev_get_by_index+0x5e/0x80 [ 6592.831233][ T10] fib6_nh_init+0x3d8/0x1580 [ 6592.831233][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6592.831233][ T10] ip6_route_add+0x1c/0x140 [ 6592.831233][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6592.831233][ T10] addrconf_add_dev+0xe2/0x170 [ 6592.831233][ T10] inet6_addr_add+0x12f/0xa40 [ 6592.831233][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6592.831233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.831233][ T10] netlink_rcv_skb+0x130/0x360 [ 6592.831233][ T10] netlink_unicast+0x449/0x710 [ 6592.831233][ T10] netlink_sendmsg+0x723/0xbe0 [ 6592.831233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6592.831233][ T10] ___sys_sendmsg+0xee/0x170 [ 6592.831233][ T10] __sys_sendmsg+0xcd/0x170 [ 6592.831233][ T10] do_syscall_64+0xc6/0x1e0 [ 6592.831233][ T10] [ 6592.834318][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6592.834318][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6592.834318][ T10] ipv6_find_idev+0x102/0x170 [ 6592.834318][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6592.834318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.834318][ T10] netlink_rcv_skb+0x130/0x360 [ 6592.834318][ T10] netlink_unicast+0x449/0x710 [ 6592.834318][ T10] netlink_sendmsg+0x723/0xbe0 [ 6592.834318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6592.834318][ T10] ___sys_sendmsg+0xee/0x170 [ 6592.834318][ T10] __sys_sendmsg+0xcd/0x170 [ 6592.834318][ T10] do_syscall_64+0xc6/0x1e0 [ 6592.834318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.834318][ T10] [ 6592.836744][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6592.836744][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6592.836744][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6592.836744][ T10] ipv6_find_idev+0x102/0x170 [ 6592.836744][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6592.836744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.836744][ T10] netlink_rcv_skb+0x130/0x360 [ 6592.836744][ T10] netlink_unicast+0x449/0x710 [ 6592.836744][ T10] netlink_sendmsg+0x723/0xbe0 [ 6592.836744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6592.836744][ T10] ___sys_sendmsg+0xee/0x170 [ 6592.836744][ T10] __sys_sendmsg+0xcd/0x170 [ 6592.836744][ T10] do_syscall_64+0xc6/0x1e0 [ 6592.836744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.836744][ T10] [ 6592.839335][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6592.839669][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6592.839669][ T10] netdev_get_by_index+0x5e/0x80 [ 6592.839669][ T10] fib6_nh_init+0x3d8/0x1580 [ 6592.839669][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6592.839669][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6592.839669][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6592.839669][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6592.839669][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6592.839669][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6592.839669][ T10] addrconf_dad_begin+0x310/0x670 [ 6592.839669][ T10] addrconf_dad_work+0x10b/0xab0 [ 6592.839669][ T10] process_one_work+0x84d/0x18a0 [ 6592.839669][ T10] worker_thread+0x587/0xd30 [ 6592.839669][ T10] kthread+0x28a/0x350 [ 6592.839669][ T10] ret_from_fork+0x31/0x70 [ 6592.839669][ T10] ret_from_fork_asm+0x1a/0x30 [ 6592.839669][ T10] [ 6592.842787][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6592.842787][ T10] netdev_get_by_index+0x5e/0x80 [ 6592.842787][ T10] fib6_nh_init+0x3d8/0x1580 [ 6592.842787][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6592.842787][ T10] ip6_route_add+0x1c/0x140 [ 6592.842787][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6592.842787][ T10] inet6_addr_add+0x4f8/0xa40 [ 6592.842787][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6592.842787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.842787][ T10] netlink_rcv_skb+0x130/0x360 [ 6592.842787][ T10] netlink_unicast+0x449/0x710 [ 6592.842787][ T10] netlink_sendmsg+0x723/0xbe0 [ 6592.842787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6592.842787][ T10] ___sys_sendmsg+0xee/0x170 [ 6592.842787][ T10] __sys_sendmsg+0xcd/0x170 [ 6592.842787][ T10] do_syscall_64+0xc6/0x1e0 [ 6592.842787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.842787][ T10] [ 6592.845865][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6592.845865][ T10] netdev_get_by_index+0x5e/0x80 [ 6592.845865][ T10] fib6_nh_init+0x3d8/0x1580 [ 6592.845865][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6592.845865][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6592.845865][ T10] ipv6_add_addr+0x411/0x2000 [ 6592.845865][ T10] inet6_addr_add+0x30e/0xa40 [ 6592.845865][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6592.845865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.845865][ T10] netlink_rcv_skb+0x130/0x360 [ 6592.845865][ T10] netlink_unicast+0x449/0x710 [ 6592.845865][ T10] netlink_sendmsg+0x723/0xbe0 [ 6592.845865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6592.845865][ T10] ___sys_sendmsg+0xee/0x170 [ 6592.845865][ T10] __sys_sendmsg+0xcd/0x170 [ 6592.845865][ T10] do_syscall_64+0xc6/0x1e0 [ 6592.845865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.845865][ T10] [ 6592.848893][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6592.848893][ T10] netdev_get_by_index+0x5e/0x80 [ 6592.848893][ T10] fib6_nh_init+0x3d8/0x1580 [ 6592.848893][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6592.848893][ T10] ip6_route_add+0x1c/0x140 [ 6592.848893][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6592.848893][ T10] addrconf_add_dev+0xe2/0x170 [ 6592.848893][ T10] inet6_addr_add+0x12f/0xa40 [ 6592.848893][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6592.848893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.848893][ T10] netlink_rcv_skb+0x130/0x360 [ 6592.848893][ T10] netlink_unicast+0x449/0x710 [ 6592.848893][ T10] netlink_sendmsg+0x723/0xbe0 [ 6592.848893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6592.848893][ T10] ___sys_sendmsg+0xee/0x170 [ 6592.848893][ T10] __sys_sendmsg+0xcd/0x170 [ 6592.848893][ T10] do_syscall_64+0xc6/0x1e0 [ 6592.848893][ T10] [ 6592.852017][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6592.852017][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6592.852017][ T10] ipv6_find_idev+0x102/0x170 [ 6592.852017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6592.852017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.852017][ T10] netlink_rcv_skb+0x130/0x360 [ 6592.852017][ T10] netlink_unicast+0x449/0x710 [ 6592.852017][ T10] netlink_sendmsg+0x723/0xbe0 [ 6592.852017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6592.852017][ T10] ___sys_sendmsg+0xee/0x170 [ 6592.852017][ T10] __sys_sendmsg+0xcd/0x170 [ 6592.852017][ T10] do_syscall_64+0xc6/0x1e0 [ 6592.852017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.852017][ T10] [ 6592.854217][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6592.854217][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6592.854217][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6592.854217][ T10] ipv6_find_idev+0x102/0x170 [ 6592.854217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6592.854217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6592.854217][ T10] netlink_rcv_skb+0x130/0x360 [ 6592.854217][ T10] netlink_unicast+0x449/0x710 [ 6592.854217][ T10] netlink_sendmsg+0x723/0xbe0 [ 6592.854217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6592.854217][ T10] ___sys_sendmsg+0xee/0x170 [ 6592.854217][ T10] __sys_sendmsg+0xcd/0x170 [ 6592.854217][ T10] do_syscall_64+0xc6/0x1e0 [ 6592.854217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6592.854217][ T10] [ 6600.305035][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6600.305456][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6600.305456][ T1167] dst_init+0x84/0x4a0 [ 6600.305456][ T1167] dst_alloc+0x97/0x150 [ 6600.305456][ T1167] ip6_dst_alloc+0x23/0x90 [ 6600.305456][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6600.305456][ T1167] ip6_pol_route+0x56f/0x840 [ 6600.305456][ T1167] fib6_rule_lookup+0x334/0x630 [ 6600.305456][ T1167] ip6_route_output_flags+0x259/0x480 [ 6600.305456][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6600.305456][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6600.305456][ T1167] netlink_rcv_skb+0x130/0x360 [ 6600.305456][ T1167] netlink_unicast+0x449/0x710 [ 6600.305456][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6600.305456][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6600.305456][ T1167] ___sys_sendmsg+0xee/0x170 [ 6600.305456][ T1167] __sys_sendmsg+0xcd/0x170 [ 6600.305456][ T1167] do_syscall_64+0xc6/0x1e0 [ 6600.305456][ T1167] [ 6600.307746][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6600.307746][ T1167] netdev_get_by_index+0x5e/0x80 [ 6600.307746][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6600.307746][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6600.307746][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6600.307746][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6600.307746][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6600.307746][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6600.307746][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6600.307746][ T1167] addrconf_dad_begin+0x310/0x670 [ 6600.307746][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6600.307746][ T1167] process_one_work+0x84d/0x18a0 [ 6600.307746][ T1167] worker_thread+0x587/0xd30 [ 6600.307746][ T1167] kthread+0x28a/0x350 [ 6600.307746][ T1167] ret_from_fork+0x31/0x70 [ 6600.307746][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6600.307746][ T1167] [ 6600.309980][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6600.309980][ T1167] netdev_get_by_index+0x5e/0x80 [ 6600.309980][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6600.309980][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6600.309980][ T1167] ip6_route_add+0x1c/0x140 [ 6600.309980][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6600.309980][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6600.309980][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6600.309980][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6600.309980][ T1167] netlink_rcv_skb+0x130/0x360 [ 6600.309980][ T1167] netlink_unicast+0x449/0x710 [ 6600.309980][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6600.309980][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6600.309980][ T1167] ___sys_sendmsg+0xee/0x170 [ 6600.309980][ T1167] __sys_sendmsg+0xcd/0x170 [ 6600.309980][ T1167] do_syscall_64+0xc6/0x1e0 [ 6600.309980][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6600.309980][ T1167] [ 6600.312277][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6600.312277][ T1167] netdev_get_by_index+0x5e/0x80 [ 6600.312277][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6600.312277][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6600.312277][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6600.312277][ T1167] ipv6_add_addr+0x411/0x2000 [ 6600.312277][ T1167] inet6_addr_add+0x30e/0xa40 [ 6600.312277][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6600.312277][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6600.312277][ T1167] netlink_rcv_skb+0x130/0x360 [ 6600.312277][ T1167] netlink_unicast+0x449/0x710 [ 6600.312277][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6600.312277][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6600.312277][ T1167] ___sys_sendmsg+0xee/0x170 [ 6600.312277][ T1167] __sys_sendmsg+0xcd/0x170 [ 6600.312277][ T1167] do_syscall_64+0xc6/0x1e0 [ 6600.312277][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6600.312277][ T1167] [ 6600.314597][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6600.314597][ T1167] netdev_get_by_index+0x5e/0x80 [ 6600.314597][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6600.314597][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6600.314597][ T1167] ip6_route_add+0x1c/0x140 [ 6600.314597][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6600.314597][ T1167] addrconf_add_dev+0xe2/0x170 [ 6600.314597][ T1167] inet6_addr_add+0x12f/0xa40 [ 6600.314597][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6600.314597][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6600.314597][ T1167] netlink_rcv_skb+0x130/0x360 [ 6600.314597][ T1167] netlink_unicast+0x449/0x710 [ 6600.314597][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6600.314597][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6600.314597][ T1167] ___sys_sendmsg+0xee/0x170 [ 6600.314597][ T1167] __sys_sendmsg+0xcd/0x170 [ 6600.314597][ T1167] do_syscall_64+0xc6/0x1e0 [ 6600.314597][ T1167] [ 6600.316879][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6600.316879][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6600.316879][ T1167] ipv6_find_idev+0x102/0x170 [ 6600.316879][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6600.316879][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6600.316879][ T1167] netlink_rcv_skb+0x130/0x360 [ 6600.316879][ T1167] netlink_unicast+0x449/0x710 [ 6600.316879][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6600.316879][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6600.316879][ T1167] ___sys_sendmsg+0xee/0x170 [ 6600.316879][ T1167] __sys_sendmsg+0xcd/0x170 [ 6600.316879][ T1167] do_syscall_64+0xc6/0x1e0 [ 6600.316879][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6600.316879][ T1167] [ 6600.318667][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6600.318667][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6600.318667][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6600.318667][ T1167] ipv6_find_idev+0x102/0x170 [ 6600.318667][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6600.318667][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6600.318667][ T1167] netlink_rcv_skb+0x130/0x360 [ 6600.318667][ T1167] netlink_unicast+0x449/0x710 [ 6600.318667][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6600.318667][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6600.318667][ T1167] ___sys_sendmsg+0xee/0x170 [ 6600.318667][ T1167] __sys_sendmsg+0xcd/0x170 [ 6600.318667][ T1167] do_syscall_64+0xc6/0x1e0 [ 6600.318667][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6600.318667][ T1167] [ 6603.105122][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6603.105521][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6603.105521][ T10] netdev_get_by_index+0x5e/0x80 [ 6603.105521][ T10] fib6_nh_init+0x3d8/0x1580 [ 6603.105521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6603.105521][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6603.105521][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6603.105521][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6603.105521][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6603.105521][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6603.105521][ T10] addrconf_dad_begin+0x310/0x670 [ 6603.105521][ T10] addrconf_dad_work+0x10b/0xab0 [ 6603.105521][ T10] process_one_work+0x84d/0x18a0 [ 6603.105521][ T10] worker_thread+0x587/0xd30 [ 6603.105521][ T10] kthread+0x28a/0x350 [ 6603.105521][ T10] ret_from_fork+0x31/0x70 [ 6603.105521][ T10] ret_from_fork_asm+0x1a/0x30 [ 6603.105521][ T10] [ 6603.107685][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6603.107685][ T10] netdev_get_by_index+0x5e/0x80 [ 6603.107685][ T10] fib6_nh_init+0x3d8/0x1580 [ 6603.107685][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6603.107685][ T10] ip6_route_add+0x1c/0x140 [ 6603.107685][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6603.107685][ T10] inet6_addr_add+0x4f8/0xa40 [ 6603.107685][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6603.107685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6603.107685][ T10] netlink_rcv_skb+0x130/0x360 [ 6603.107685][ T10] netlink_unicast+0x449/0x710 [ 6603.107685][ T10] netlink_sendmsg+0x723/0xbe0 [ 6603.107685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6603.107685][ T10] ___sys_sendmsg+0xee/0x170 [ 6603.107685][ T10] __sys_sendmsg+0xcd/0x170 [ 6603.107685][ T10] do_syscall_64+0xc6/0x1e0 [ 6603.107685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6603.107685][ T10] [ 6603.109904][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6603.109904][ T10] netdev_get_by_index+0x5e/0x80 [ 6603.109904][ T10] fib6_nh_init+0x3d8/0x1580 [ 6603.109904][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6603.109904][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6603.109904][ T10] ipv6_add_addr+0x411/0x2000 [ 6603.109904][ T10] inet6_addr_add+0x30e/0xa40 [ 6603.109904][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6603.109904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6603.109904][ T10] netlink_rcv_skb+0x130/0x360 [ 6603.109904][ T10] netlink_unicast+0x449/0x710 [ 6603.109904][ T10] netlink_sendmsg+0x723/0xbe0 [ 6603.109904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6603.109904][ T10] ___sys_sendmsg+0xee/0x170 [ 6603.109904][ T10] __sys_sendmsg+0xcd/0x170 [ 6603.109904][ T10] do_syscall_64+0xc6/0x1e0 [ 6603.109904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6603.109904][ T10] [ 6603.112130][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6603.112130][ T10] netdev_get_by_index+0x5e/0x80 [ 6603.112130][ T10] fib6_nh_init+0x3d8/0x1580 [ 6603.112130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6603.112130][ T10] ip6_route_add+0x1c/0x140 [ 6603.112130][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6603.112130][ T10] addrconf_add_dev+0xe2/0x170 [ 6603.112130][ T10] inet6_addr_add+0x12f/0xa40 [ 6603.112130][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6603.112130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6603.112130][ T10] netlink_rcv_skb+0x130/0x360 [ 6603.112130][ T10] netlink_unicast+0x449/0x710 [ 6603.112130][ T10] netlink_sendmsg+0x723/0xbe0 [ 6603.112130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6603.112130][ T10] ___sys_sendmsg+0xee/0x170 [ 6603.112130][ T10] __sys_sendmsg+0xcd/0x170 [ 6603.112130][ T10] do_syscall_64+0xc6/0x1e0 [ 6603.112130][ T10] [ 6603.114325][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6603.114325][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6603.114325][ T10] ipv6_find_idev+0x102/0x170 [ 6603.114325][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6603.114325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6603.114325][ T10] netlink_rcv_skb+0x130/0x360 [ 6603.114325][ T10] netlink_unicast+0x449/0x710 [ 6603.114325][ T10] netlink_sendmsg+0x723/0xbe0 [ 6603.114325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6603.114325][ T10] ___sys_sendmsg+0xee/0x170 [ 6603.114325][ T10] __sys_sendmsg+0xcd/0x170 [ 6603.114325][ T10] do_syscall_64+0xc6/0x1e0 [ 6603.114325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6603.114325][ T10] [ 6603.116048][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6603.116048][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6603.116048][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6603.116048][ T10] ipv6_find_idev+0x102/0x170 [ 6603.116048][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6603.116048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6603.116048][ T10] netlink_rcv_skb+0x130/0x360 [ 6603.116048][ T10] netlink_unicast+0x449/0x710 [ 6603.116048][ T10] netlink_sendmsg+0x723/0xbe0 [ 6603.116048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6603.116048][ T10] ___sys_sendmsg+0xee/0x170 [ 6603.116048][ T10] __sys_sendmsg+0xcd/0x170 [ 6603.116048][ T10] do_syscall_64+0xc6/0x1e0 [ 6603.116048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6603.116048][ T10] [ 6603.117930][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6603.118204][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6603.118204][ T10] netdev_get_by_index+0x5e/0x80 [ 6603.118204][ T10] fib6_nh_init+0x3d8/0x1580 [ 6603.118204][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6603.118204][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6603.118204][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6603.118204][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6603.118204][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6603.118204][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6603.118204][ T10] addrconf_dad_begin+0x310/0x670 [ 6603.118204][ T10] addrconf_dad_work+0x10b/0xab0 [ 6603.118204][ T10] process_one_work+0x84d/0x18a0 [ 6603.118204][ T10] worker_thread+0x587/0xd30 [ 6603.118204][ T10] kthread+0x28a/0x350 [ 6603.118204][ T10] ret_from_fork+0x31/0x70 [ 6603.118204][ T10] ret_from_fork_asm+0x1a/0x30 [ 6603.118204][ T10] [ 6603.120327][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6603.120327][ T10] netdev_get_by_index+0x5e/0x80 [ 6603.120327][ T10] fib6_nh_init+0x3d8/0x1580 [ 6603.120327][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6603.120327][ T10] ip6_route_add+0x1c/0x140 [ 6603.120327][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6603.120327][ T10] inet6_addr_add+0x4f8/0xa40 [ 6603.120327][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6603.120327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6603.120327][ T10] netlink_rcv_skb+0x130/0x360 [ 6603.120327][ T10] netlink_unicast+0x449/0x710 [ 6603.120327][ T10] netlink_sendmsg+0x723/0xbe0 [ 6603.120327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6603.120327][ T10] ___sys_sendmsg+0xee/0x170 [ 6603.120327][ T10] __sys_sendmsg+0xcd/0x170 [ 6603.120327][ T10] do_syscall_64+0xc6/0x1e0 [ 6603.120327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6603.120327][ T10] [ 6603.122544][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6603.122544][ T10] netdev_get_by_index+0x5e/0x80 [ 6603.122544][ T10] fib6_nh_init+0x3d8/0x1580 [ 6603.122544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6603.122544][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6603.122544][ T10] ipv6_add_addr+0x411/0x2000 [ 6603.122544][ T10] inet6_addr_add+0x30e/0xa40 [ 6603.122544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6603.122544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6603.122544][ T10] netlink_rcv_skb+0x130/0x360 [ 6603.122544][ T10] netlink_unicast+0x449/0x710 [ 6603.122544][ T10] netlink_sendmsg+0x723/0xbe0 [ 6603.122544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6603.122544][ T10] ___sys_sendmsg+0xee/0x170 [ 6603.122544][ T10] __sys_sendmsg+0xcd/0x170 [ 6603.122544][ T10] do_syscall_64+0xc6/0x1e0 [ 6603.122544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6603.122544][ T10] [ 6603.124790][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6603.124790][ T10] netdev_get_by_index+0x5e/0x80 [ 6603.124790][ T10] fib6_nh_init+0x3d8/0x1580 [ 6603.124790][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6603.124790][ T10] ip6_route_add+0x1c/0x140 [ 6603.124790][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6603.124790][ T10] addrconf_add_dev+0xe2/0x170 [ 6603.124790][ T10] inet6_addr_add+0x12f/0xa40 [ 6603.124790][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6603.124790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6603.124790][ T10] netlink_rcv_skb+0x130/0x360 [ 6603.124790][ T10] netlink_unicast+0x449/0x710 [ 6603.124790][ T10] netlink_sendmsg+0x723/0xbe0 [ 6603.124790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6603.124790][ T10] ___sys_sendmsg+0xee/0x170 [ 6603.124790][ T10] __sys_sendmsg+0xcd/0x170 [ 6603.124790][ T10] do_syscall_64+0xc6/0x1e0 [ 6603.124790][ T10] [ 6603.126980][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6603.126980][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6603.126980][ T10] ipv6_find_idev+0x102/0x170 [ 6603.126980][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6603.126980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6603.126980][ T10] netlink_rcv_skb+0x130/0x360 [ 6603.126980][ T10] netlink_unicast+0x449/0x710 [ 6603.126980][ T10] netlink_sendmsg+0x723/0xbe0 [ 6603.126980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6603.126980][ T10] ___sys_sendmsg+0xee/0x170 [ 6603.126980][ T10] __sys_sendmsg+0xcd/0x170 [ 6603.126980][ T10] do_syscall_64+0xc6/0x1e0 [ 6603.126980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6603.126980][ T10] [ 6603.128677][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6603.128677][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6603.128677][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6603.128677][ T10] ipv6_find_idev+0x102/0x170 [ 6603.128677][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6603.128677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6603.128677][ T10] netlink_rcv_skb+0x130/0x360 [ 6603.128677][ T10] netlink_unicast+0x449/0x710 [ 6603.128677][ T10] netlink_sendmsg+0x723/0xbe0 [ 6603.128677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6603.128677][ T10] ___sys_sendmsg+0xee/0x170 [ 6603.128677][ T10] __sys_sendmsg+0xcd/0x170 [ 6603.128677][ T10] do_syscall_64+0xc6/0x1e0 [ 6603.128677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6603.128677][ T10] [ 6603.130537][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6603.130794][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6603.130794][ T10] netdev_get_by_index+0x5e/0x80 [ 6603.130794][ T10] fib6_nh_init+0x3d8/0x1580 [ 6603.130794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6603.130794][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6603.130794][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6603.130794][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6603.130794][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6603.130794][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6603.130794][ T10] addrconf_dad_begin+0x310/0x670 [ 6603.130794][ T10] addrconf_dad_work+0x10b/0xab0 [ 6603.130794][ T10] process_one_work+0x84d/0x18a0 [ 6603.130794][ T10] worker_thread+0x587/0xd30 [ 6603.130794][ T10] kthread+0x28a/0x350 [ 6603.130794][ T10] ret_from_fork+0x31/0x70 [ 6603.130794][ T10] ret_from_fork_asm+0x1a/0x30 [ 6603.130794][ T10] [ 6603.132922][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6603.132922][ T10] netdev_get_by_index+0x5e/0x80 [ 6603.132922][ T10] fib6_nh_init+0x3d8/0x1580 [ 6603.132922][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6603.132922][ T10] ip6_route_add+0x1c/0x140 [ 6603.132922][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6603.132922][ T10] inet6_addr_add+0x4f8/0xa40 [ 6603.132922][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6603.132922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6603.132922][ T10] netlink_rcv_skb+0x130/0x360 [ 6603.132922][ T10] netlink_unicast+0x449/0x710 [ 6603.132922][ T10] netlink_sendmsg+0x723/0xbe0 [ 6603.132922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6603.132922][ T10] ___sys_sendmsg+0xee/0x170 [ 6603.132922][ T10] __sys_sendmsg+0xcd/0x170 [ 6603.132922][ T10] do_syscall_64+0xc6/0x1e0 [ 6603.132922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6603.132922][ T10] [ 6603.135132][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6603.135132][ T10] netdev_get_by_index+0x5e/0x80 [ 6603.135132][ T10] fib6_nh_init+0x3d8/0x1580 [ 6603.135132][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6603.135132][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6603.135132][ T10] ipv6_add_addr+0x411/0x2000 [ 6603.135132][ T10] inet6_addr_add+0x30e/0xa40 [ 6603.135132][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6603.135132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6603.135132][ T10] netlink_rcv_skb+0x130/0x360 [ 6603.135132][ T10] netlink_unicast+0x449/0x710 [ 6603.135132][ T10] netlink_sendmsg+0x723/0xbe0 [ 6603.135132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6603.135132][ T10] ___sys_sendmsg+0xee/0x170 [ 6603.135132][ T10] __sys_sendmsg+0xcd/0x170 [ 6603.135132][ T10] do_syscall_64+0xc6/0x1e0 [ 6603.135132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6603.135132][ T10] [ 6603.137365][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6603.137365][ T10] netdev_get_by_index+0x5e/0x80 [ 6603.137365][ T10] fib6_nh_init+0x3d8/0x1580 [ 6603.137365][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6603.137365][ T10] ip6_route_add+0x1c/0x140 [ 6603.137365][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6603.137365][ T10] addrconf_add_dev+0xe2/0x170 [ 6603.137365][ T10] inet6_addr_add+0x12f/0xa40 [ 6603.137365][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6603.137365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6603.137365][ T10] netlink_rcv_skb+0x130/0x360 [ 6603.137365][ T10] netlink_unicast+0x449/0x710 [ 6603.137365][ T10] netlink_sendmsg+0x723/0xbe0 [ 6603.137365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6603.137365][ T10] ___sys_sendmsg+0xee/0x170 [ 6603.137365][ T10] __sys_sendmsg+0xcd/0x170 [ 6603.137365][ T10] do_syscall_64+0xc6/0x1e0 [ 6603.137365][ T10] [ 6603.139539][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6603.139539][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6603.139539][ T10] ipv6_find_idev+0x102/0x170 [ 6603.139539][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6603.139539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6603.139539][ T10] netlink_rcv_skb+0x130/0x360 [ 6603.139539][ T10] netlink_unicast+0x449/0x710 [ 6603.139539][ T10] netlink_sendmsg+0x723/0xbe0 [ 6603.139539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6603.139539][ T10] ___sys_sendmsg+0xee/0x170 [ 6603.139539][ T10] __sys_sendmsg+0xcd/0x170 [ 6603.139539][ T10] do_syscall_64+0xc6/0x1e0 [ 6603.139539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6603.139539][ T10] [ 6603.141235][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6603.141235][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6603.141235][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6603.141235][ T10] ipv6_find_idev+0x102/0x170 [ 6603.141235][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6603.141235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6603.141235][ T10] netlink_rcv_skb+0x130/0x360 [ 6603.141235][ T10] netlink_unicast+0x449/0x710 [ 6603.141235][ T10] netlink_sendmsg+0x723/0xbe0 [ 6603.141235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6603.141235][ T10] ___sys_sendmsg+0xee/0x170 [ 6603.141235][ T10] __sys_sendmsg+0xcd/0x170 [ 6603.141235][ T10] do_syscall_64+0xc6/0x1e0 [ 6603.141235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6603.141235][ T10] [ 6603.143108][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6603.143366][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6603.143366][ T10] netdev_get_by_index+0x5e/0x80 [ 6603.143366][ T10] fib6_nh_init+0x3d8/0x1580 [ 6603.143366][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6603.143366][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6603.143366][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6603.143366][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6603.143366][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6603.143366][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6603.143366][ T10] addrconf_dad_begin+0x310/0x670 [ 6603.143366][ T10] addrconf_dad_work+0x10b/0xab0 [ 6603.143366][ T10] process_one_work+0x84d/0x18a0 [ 6603.143366][ T10] worker_thread+0x587/0xd30 [ 6603.143366][ T10] kthread+0x28a/0x350 [ 6603.143366][ T10] ret_from_fork+0x31/0x70 [ 6603.143366][ T10] ret_from_fork_asm+0x1a/0x30 [ 6603.143366][ T10] [ 6603.145480][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6603.145480][ T10] netdev_get_by_index+0x5e/0x80 [ 6603.145480][ T10] fib6_nh_init+0x3d8/0x1580 [ 6603.145480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6603.145480][ T10] ip6_route_add+0x1c/0x140 [ 6603.145480][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6603.145480][ T10] inet6_addr_add+0x4f8/0xa40 [ 6603.145480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6603.145480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6603.145480][ T10] netlink_rcv_skb+0x130/0x360 [ 6603.145480][ T10] netlink_unicast+0x449/0x710 [ 6603.145480][ T10] netlink_sendmsg+0x723/0xbe0 [ 6603.145480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6603.145480][ T10] ___sys_sendmsg+0xee/0x170 [ 6603.145480][ T10] __sys_sendmsg+0xcd/0x170 [ 6603.145480][ T10] do_syscall_64+0xc6/0x1e0 [ 6603.145480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6603.145480][ T10] [ 6603.147693][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6603.147693][ T10] netdev_get_by_index+0x5e/0x80 [ 6603.147693][ T10] fib6_nh_init+0x3d8/0x1580 [ 6603.147693][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6603.147693][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6603.147693][ T10] ipv6_add_addr+0x411/0x2000 [ 6603.147693][ T10] inet6_addr_add+0x30e/0xa40 [ 6603.147693][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6603.147693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6603.147693][ T10] netlink_rcv_skb+0x130/0x360 [ 6603.147693][ T10] netlink_unicast+0x449/0x710 [ 6603.147693][ T10] netlink_sendmsg+0x723/0xbe0 [ 6603.147693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6603.147693][ T10] ___sys_sendmsg+0xee/0x170 [ 6603.147693][ T10] __sys_sendmsg+0xcd/0x170 [ 6603.147693][ T10] do_syscall_64+0xc6/0x1e0 [ 6603.147693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6603.147693][ T10] [ 6603.149883][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6603.149883][ T10] netdev_get_by_index+0x5e/0x80 [ 6603.149883][ T10] fib6_nh_init+0x3d8/0x1580 [ 6603.149883][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6603.149883][ T10] ip6_route_add+0x1c/0x140 [ 6603.149883][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6603.149883][ T10] addrconf_add_dev+0xe2/0x170 [ 6603.149883][ T10] inet6_addr_add+0x12f/0xa40 [ 6603.149883][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6603.149883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6603.149883][ T10] netlink_rcv_skb+0x130/0x360 [ 6603.149883][ T10] netlink_unicast+0x449/0x710 [ 6603.149883][ T10] netlink_sendmsg+0x723/0xbe0 [ 6603.149883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6603.149883][ T10] ___sys_sendmsg+0xee/0x170 [ 6603.149883][ T10] __sys_sendmsg+0xcd/0x170 [ 6603.149883][ T10] do_syscall_64+0xc6/0x1e0 [ 6603.149883][ T10] [ 6603.152056][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6603.152056][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6603.152056][ T10] ipv6_find_idev+0x102/0x170 [ 6603.152056][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6603.152056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6603.152056][ T10] netlink_rcv_skb+0x130/0x360 [ 6603.152056][ T10] netlink_unicast+0x449/0x710 [ 6603.152056][ T10] netlink_sendmsg+0x723/0xbe0 [ 6603.152056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6603.152056][ T10] ___sys_sendmsg+0xee/0x170 [ 6603.152056][ T10] __sys_sendmsg+0xcd/0x170 [ 6603.152056][ T10] do_syscall_64+0xc6/0x1e0 [ 6603.152056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6603.152056][ T10] [ 6603.153832][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6603.153832][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6603.153832][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6603.153832][ T10] ipv6_find_idev+0x102/0x170 [ 6603.153832][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6603.153832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6603.153832][ T10] netlink_rcv_skb+0x130/0x360 [ 6603.153832][ T10] netlink_unicast+0x449/0x710 [ 6603.153832][ T10] netlink_sendmsg+0x723/0xbe0 [ 6603.153832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6603.153832][ T10] ___sys_sendmsg+0xee/0x170 [ 6603.153832][ T10] __sys_sendmsg+0xcd/0x170 [ 6603.153832][ T10] do_syscall_64+0xc6/0x1e0 [ 6603.153832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6603.153832][ T10] [ 6610.337185][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6610.337709][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6610.337709][ T1167] dst_init+0x84/0x4a0 [ 6610.337709][ T1167] dst_alloc+0x97/0x150 [ 6610.337709][ T1167] ip6_dst_alloc+0x23/0x90 [ 6610.337709][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6610.337709][ T1167] ip6_pol_route+0x56f/0x840 [ 6610.337709][ T1167] fib6_rule_lookup+0x334/0x630 [ 6610.337709][ T1167] ip6_route_output_flags+0x259/0x480 [ 6610.337709][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6610.337709][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6610.337709][ T1167] netlink_rcv_skb+0x130/0x360 [ 6610.337709][ T1167] netlink_unicast+0x449/0x710 [ 6610.337709][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6610.337709][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6610.337709][ T1167] ___sys_sendmsg+0xee/0x170 [ 6610.337709][ T1167] __sys_sendmsg+0xcd/0x170 [ 6610.337709][ T1167] do_syscall_64+0xc6/0x1e0 [ 6610.337709][ T1167] [ 6610.339927][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6610.339927][ T1167] netdev_get_by_index+0x5e/0x80 [ 6610.339927][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6610.339927][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6610.339927][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6610.339927][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6610.339927][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6610.339927][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6610.339927][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6610.339927][ T1167] addrconf_dad_begin+0x310/0x670 [ 6610.339927][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6610.339927][ T1167] process_one_work+0x84d/0x18a0 [ 6610.339927][ T1167] worker_thread+0x587/0xd30 [ 6610.339927][ T1167] kthread+0x28a/0x350 [ 6610.339927][ T1167] ret_from_fork+0x31/0x70 [ 6610.339927][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6610.339927][ T1167] [ 6610.342081][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6610.342081][ T1167] netdev_get_by_index+0x5e/0x80 [ 6610.342081][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6610.342081][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6610.342081][ T1167] ip6_route_add+0x1c/0x140 [ 6610.342081][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6610.342081][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6610.342081][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6610.342081][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6610.342081][ T1167] netlink_rcv_skb+0x130/0x360 [ 6610.342081][ T1167] netlink_unicast+0x449/0x710 [ 6610.342081][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6610.342081][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6610.342081][ T1167] ___sys_sendmsg+0xee/0x170 [ 6610.342081][ T1167] __sys_sendmsg+0xcd/0x170 [ 6610.342081][ T1167] do_syscall_64+0xc6/0x1e0 [ 6610.342081][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6610.342081][ T1167] [ 6610.344338][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6610.344338][ T1167] netdev_get_by_index+0x5e/0x80 [ 6610.344338][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6610.344338][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6610.344338][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6610.344338][ T1167] ipv6_add_addr+0x411/0x2000 [ 6610.344338][ T1167] inet6_addr_add+0x30e/0xa40 [ 6610.344338][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6610.344338][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6610.344338][ T1167] netlink_rcv_skb+0x130/0x360 [ 6610.344338][ T1167] netlink_unicast+0x449/0x710 [ 6610.344338][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6610.344338][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6610.344338][ T1167] ___sys_sendmsg+0xee/0x170 [ 6610.344338][ T1167] __sys_sendmsg+0xcd/0x170 [ 6610.344338][ T1167] do_syscall_64+0xc6/0x1e0 [ 6610.344338][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6610.344338][ T1167] [ 6610.346592][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6610.346592][ T1167] netdev_get_by_index+0x5e/0x80 [ 6610.346592][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6610.346592][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6610.346592][ T1167] ip6_route_add+0x1c/0x140 [ 6610.346592][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6610.346592][ T1167] addrconf_add_dev+0xe2/0x170 [ 6610.346592][ T1167] inet6_addr_add+0x12f/0xa40 [ 6610.346592][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6610.346592][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6610.346592][ T1167] netlink_rcv_skb+0x130/0x360 [ 6610.346592][ T1167] netlink_unicast+0x449/0x710 [ 6610.346592][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6610.346592][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6610.346592][ T1167] ___sys_sendmsg+0xee/0x170 [ 6610.346592][ T1167] __sys_sendmsg+0xcd/0x170 [ 6610.346592][ T1167] do_syscall_64+0xc6/0x1e0 [ 6610.346592][ T1167] [ 6610.348809][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6610.348809][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6610.348809][ T1167] ipv6_find_idev+0x102/0x170 [ 6610.348809][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6610.348809][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6610.348809][ T1167] netlink_rcv_skb+0x130/0x360 [ 6610.348809][ T1167] netlink_unicast+0x449/0x710 [ 6610.348809][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6610.348809][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6610.348809][ T1167] ___sys_sendmsg+0xee/0x170 [ 6610.348809][ T1167] __sys_sendmsg+0xcd/0x170 [ 6610.348809][ T1167] do_syscall_64+0xc6/0x1e0 [ 6610.348809][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6610.348809][ T1167] [ 6610.350558][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6610.350558][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6610.350558][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6610.350558][ T1167] ipv6_find_idev+0x102/0x170 [ 6610.350558][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6610.350558][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6610.350558][ T1167] netlink_rcv_skb+0x130/0x360 [ 6610.350558][ T1167] netlink_unicast+0x449/0x710 [ 6610.350558][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6610.350558][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6610.350558][ T1167] ___sys_sendmsg+0xee/0x170 [ 6610.350558][ T1167] __sys_sendmsg+0xcd/0x170 [ 6610.350558][ T1167] do_syscall_64+0xc6/0x1e0 [ 6610.350558][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6610.350558][ T1167] [ 6613.409114][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6613.409539][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6613.409539][ T10] netdev_get_by_index+0x5e/0x80 [ 6613.409539][ T10] fib6_nh_init+0x3d8/0x1580 [ 6613.409539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6613.409539][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6613.409539][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6613.409539][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6613.409539][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6613.409539][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6613.409539][ T10] addrconf_dad_begin+0x310/0x670 [ 6613.409539][ T10] addrconf_dad_work+0x10b/0xab0 [ 6613.409539][ T10] process_one_work+0x84d/0x18a0 [ 6613.409539][ T10] worker_thread+0x587/0xd30 [ 6613.409539][ T10] kthread+0x28a/0x350 [ 6613.409539][ T10] ret_from_fork+0x31/0x70 [ 6613.409539][ T10] ret_from_fork_asm+0x1a/0x30 [ 6613.409539][ T10] [ 6613.411701][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6613.411701][ T10] netdev_get_by_index+0x5e/0x80 [ 6613.411701][ T10] fib6_nh_init+0x3d8/0x1580 [ 6613.411701][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6613.411701][ T10] ip6_route_add+0x1c/0x140 [ 6613.411701][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6613.411701][ T10] inet6_addr_add+0x4f8/0xa40 [ 6613.411701][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6613.411701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6613.411701][ T10] netlink_rcv_skb+0x130/0x360 [ 6613.411701][ T10] netlink_unicast+0x449/0x710 [ 6613.411701][ T10] netlink_sendmsg+0x723/0xbe0 [ 6613.411701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6613.411701][ T10] ___sys_sendmsg+0xee/0x170 [ 6613.411701][ T10] __sys_sendmsg+0xcd/0x170 [ 6613.411701][ T10] do_syscall_64+0xc6/0x1e0 [ 6613.411701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6613.411701][ T10] [ 6613.413927][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6613.413927][ T10] netdev_get_by_index+0x5e/0x80 [ 6613.413927][ T10] fib6_nh_init+0x3d8/0x1580 [ 6613.413927][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6613.413927][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6613.413927][ T10] ipv6_add_addr+0x411/0x2000 [ 6613.413927][ T10] inet6_addr_add+0x30e/0xa40 [ 6613.413927][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6613.413927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6613.413927][ T10] netlink_rcv_skb+0x130/0x360 [ 6613.413927][ T10] netlink_unicast+0x449/0x710 [ 6613.413927][ T10] netlink_sendmsg+0x723/0xbe0 [ 6613.413927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6613.413927][ T10] ___sys_sendmsg+0xee/0x170 [ 6613.413927][ T10] __sys_sendmsg+0xcd/0x170 [ 6613.413927][ T10] do_syscall_64+0xc6/0x1e0 [ 6613.413927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6613.413927][ T10] [ 6613.416155][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6613.416155][ T10] netdev_get_by_index+0x5e/0x80 [ 6613.416155][ T10] fib6_nh_init+0x3d8/0x1580 [ 6613.416155][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6613.416155][ T10] ip6_route_add+0x1c/0x140 [ 6613.416155][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6613.416155][ T10] addrconf_add_dev+0xe2/0x170 [ 6613.416155][ T10] inet6_addr_add+0x12f/0xa40 [ 6613.416155][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6613.416155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6613.416155][ T10] netlink_rcv_skb+0x130/0x360 [ 6613.416155][ T10] netlink_unicast+0x449/0x710 [ 6613.416155][ T10] netlink_sendmsg+0x723/0xbe0 [ 6613.416155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6613.416155][ T10] ___sys_sendmsg+0xee/0x170 [ 6613.416155][ T10] __sys_sendmsg+0xcd/0x170 [ 6613.416155][ T10] do_syscall_64+0xc6/0x1e0 [ 6613.416155][ T10] [ 6613.418349][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6613.418349][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6613.418349][ T10] ipv6_find_idev+0x102/0x170 [ 6613.418349][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6613.418349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6613.418349][ T10] netlink_rcv_skb+0x130/0x360 [ 6613.418349][ T10] netlink_unicast+0x449/0x710 [ 6613.418349][ T10] netlink_sendmsg+0x723/0xbe0 [ 6613.418349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6613.418349][ T10] ___sys_sendmsg+0xee/0x170 [ 6613.418349][ T10] __sys_sendmsg+0xcd/0x170 [ 6613.418349][ T10] do_syscall_64+0xc6/0x1e0 [ 6613.418349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6613.418349][ T10] [ 6613.420052][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6613.420052][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6613.420052][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6613.420052][ T10] ipv6_find_idev+0x102/0x170 [ 6613.420052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6613.420052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6613.420052][ T10] netlink_rcv_skb+0x130/0x360 [ 6613.420052][ T10] netlink_unicast+0x449/0x710 [ 6613.420052][ T10] netlink_sendmsg+0x723/0xbe0 [ 6613.420052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6613.420052][ T10] ___sys_sendmsg+0xee/0x170 [ 6613.420052][ T10] __sys_sendmsg+0xcd/0x170 [ 6613.420052][ T10] do_syscall_64+0xc6/0x1e0 [ 6613.420052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6613.420052][ T10] [ 6613.421916][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6613.422194][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6613.422194][ T10] netdev_get_by_index+0x5e/0x80 [ 6613.422194][ T10] fib6_nh_init+0x3d8/0x1580 [ 6613.422194][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6613.422194][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6613.422194][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6613.422194][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6613.422194][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6613.422194][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6613.422194][ T10] addrconf_dad_begin+0x310/0x670 [ 6613.422194][ T10] addrconf_dad_work+0x10b/0xab0 [ 6613.422194][ T10] process_one_work+0x84d/0x18a0 [ 6613.422194][ T10] worker_thread+0x587/0xd30 [ 6613.422194][ T10] kthread+0x28a/0x350 [ 6613.422194][ T10] ret_from_fork+0x31/0x70 [ 6613.422194][ T10] ret_from_fork_asm+0x1a/0x30 [ 6613.422194][ T10] [ 6613.424319][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6613.424319][ T10] netdev_get_by_index+0x5e/0x80 [ 6613.424319][ T10] fib6_nh_init+0x3d8/0x1580 [ 6613.424319][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6613.424319][ T10] ip6_route_add+0x1c/0x140 [ 6613.424319][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6613.424319][ T10] inet6_addr_add+0x4f8/0xa40 [ 6613.424319][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6613.424319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6613.424319][ T10] netlink_rcv_skb+0x130/0x360 [ 6613.424319][ T10] netlink_unicast+0x449/0x710 [ 6613.424319][ T10] netlink_sendmsg+0x723/0xbe0 [ 6613.424319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6613.424319][ T10] ___sys_sendmsg+0xee/0x170 [ 6613.424319][ T10] __sys_sendmsg+0xcd/0x170 [ 6613.424319][ T10] do_syscall_64+0xc6/0x1e0 [ 6613.424319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6613.424319][ T10] [ 6613.426537][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6613.426537][ T10] netdev_get_by_index+0x5e/0x80 [ 6613.426537][ T10] fib6_nh_init+0x3d8/0x1580 [ 6613.426537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6613.426537][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6613.426537][ T10] ipv6_add_addr+0x411/0x2000 [ 6613.426537][ T10] inet6_addr_add+0x30e/0xa40 [ 6613.426537][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6613.426537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6613.426537][ T10] netlink_rcv_skb+0x130/0x360 [ 6613.426537][ T10] netlink_unicast+0x449/0x710 [ 6613.426537][ T10] netlink_sendmsg+0x723/0xbe0 [ 6613.426537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6613.426537][ T10] ___sys_sendmsg+0xee/0x170 [ 6613.426537][ T10] __sys_sendmsg+0xcd/0x170 [ 6613.426537][ T10] do_syscall_64+0xc6/0x1e0 [ 6613.426537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6613.426537][ T10] [ 6613.428748][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6613.428748][ T10] netdev_get_by_index+0x5e/0x80 [ 6613.428748][ T10] fib6_nh_init+0x3d8/0x1580 [ 6613.428748][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6613.428748][ T10] ip6_route_add+0x1c/0x140 [ 6613.428748][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6613.428748][ T10] addrconf_add_dev+0xe2/0x170 [ 6613.428748][ T10] inet6_addr_add+0x12f/0xa40 [ 6613.428748][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6613.428748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6613.428748][ T10] netlink_rcv_skb+0x130/0x360 [ 6613.428748][ T10] netlink_unicast+0x449/0x710 [ 6613.428748][ T10] netlink_sendmsg+0x723/0xbe0 [ 6613.428748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6613.428748][ T10] ___sys_sendmsg+0xee/0x170 [ 6613.428748][ T10] __sys_sendmsg+0xcd/0x170 [ 6613.428748][ T10] do_syscall_64+0xc6/0x1e0 [ 6613.428748][ T10] [ 6613.430920][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6613.430920][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6613.430920][ T10] ipv6_find_idev+0x102/0x170 [ 6613.430920][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6613.430920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6613.430920][ T10] netlink_rcv_skb+0x130/0x360 [ 6613.430920][ T10] netlink_unicast+0x449/0x710 [ 6613.430920][ T10] netlink_sendmsg+0x723/0xbe0 [ 6613.430920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6613.430920][ T10] ___sys_sendmsg+0xee/0x170 [ 6613.430920][ T10] __sys_sendmsg+0xcd/0x170 [ 6613.430920][ T10] do_syscall_64+0xc6/0x1e0 [ 6613.430920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6613.430920][ T10] [ 6613.432631][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6613.432631][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6613.432631][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6613.432631][ T10] ipv6_find_idev+0x102/0x170 [ 6613.432631][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6613.432631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6613.432631][ T10] netlink_rcv_skb+0x130/0x360 [ 6613.432631][ T10] netlink_unicast+0x449/0x710 [ 6613.432631][ T10] netlink_sendmsg+0x723/0xbe0 [ 6613.432631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6613.432631][ T10] ___sys_sendmsg+0xee/0x170 [ 6613.432631][ T10] __sys_sendmsg+0xcd/0x170 [ 6613.432631][ T10] do_syscall_64+0xc6/0x1e0 [ 6613.432631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6613.432631][ T10] [ 6613.434490][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6613.434748][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6613.434748][ T10] netdev_get_by_index+0x5e/0x80 [ 6613.434748][ T10] fib6_nh_init+0x3d8/0x1580 [ 6613.434748][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6613.434748][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6613.434748][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6613.434748][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6613.434748][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6613.434748][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6613.434748][ T10] addrconf_dad_begin+0x310/0x670 [ 6613.434748][ T10] addrconf_dad_work+0x10b/0xab0 [ 6613.434748][ T10] process_one_work+0x84d/0x18a0 [ 6613.434748][ T10] worker_thread+0x587/0xd30 [ 6613.434748][ T10] kthread+0x28a/0x350 [ 6613.434748][ T10] ret_from_fork+0x31/0x70 [ 6613.434748][ T10] ret_from_fork_asm+0x1a/0x30 [ 6613.434748][ T10] [ 6613.436874][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6613.436874][ T10] netdev_get_by_index+0x5e/0x80 [ 6613.436874][ T10] fib6_nh_init+0x3d8/0x1580 [ 6613.436874][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6613.436874][ T10] ip6_route_add+0x1c/0x140 [ 6613.436874][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6613.436874][ T10] inet6_addr_add+0x4f8/0xa40 [ 6613.436874][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6613.436874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6613.436874][ T10] netlink_rcv_skb+0x130/0x360 [ 6613.436874][ T10] netlink_unicast+0x449/0x710 [ 6613.436874][ T10] netlink_sendmsg+0x723/0xbe0 [ 6613.436874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6613.436874][ T10] ___sys_sendmsg+0xee/0x170 [ 6613.436874][ T10] __sys_sendmsg+0xcd/0x170 [ 6613.436874][ T10] do_syscall_64+0xc6/0x1e0 [ 6613.436874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6613.436874][ T10] [ 6613.439296][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6613.439296][ T10] netdev_get_by_index+0x5e/0x80 [ 6613.439296][ T10] fib6_nh_init+0x3d8/0x1580 [ 6613.439296][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6613.439296][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6613.439296][ T10] ipv6_add_addr+0x411/0x2000 [ 6613.439296][ T10] inet6_addr_add+0x30e/0xa40 [ 6613.439296][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6613.439296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6613.439296][ T10] netlink_rcv_skb+0x130/0x360 [ 6613.439296][ T10] netlink_unicast+0x449/0x710 [ 6613.439296][ T10] netlink_sendmsg+0x723/0xbe0 [ 6613.439296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6613.439296][ T10] ___sys_sendmsg+0xee/0x170 [ 6613.439296][ T10] __sys_sendmsg+0xcd/0x170 [ 6613.439296][ T10] do_syscall_64+0xc6/0x1e0 [ 6613.439296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6613.439296][ T10] [ 6613.441856][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6613.441856][ T10] netdev_get_by_index+0x5e/0x80 [ 6613.441856][ T10] fib6_nh_init+0x3d8/0x1580 [ 6613.441856][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6613.441856][ T10] ip6_route_add+0x1c/0x140 [ 6613.441856][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6613.441856][ T10] addrconf_add_dev+0xe2/0x170 [ 6613.441856][ T10] inet6_addr_add+0x12f/0xa40 [ 6613.441856][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6613.441856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6613.441856][ T10] netlink_rcv_skb+0x130/0x360 [ 6613.441856][ T10] netlink_unicast+0x449/0x710 [ 6613.441856][ T10] netlink_sendmsg+0x723/0xbe0 [ 6613.441856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6613.441856][ T10] ___sys_sendmsg+0xee/0x170 [ 6613.441856][ T10] __sys_sendmsg+0xcd/0x170 [ 6613.441856][ T10] do_syscall_64+0xc6/0x1e0 [ 6613.441856][ T10] [ 6613.444227][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6613.444227][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6613.444227][ T10] ipv6_find_idev+0x102/0x170 [ 6613.444227][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6613.444227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6613.444227][ T10] netlink_rcv_skb+0x130/0x360 [ 6613.444227][ T10] netlink_unicast+0x449/0x710 [ 6613.444227][ T10] netlink_sendmsg+0x723/0xbe0 [ 6613.444227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6613.444227][ T10] ___sys_sendmsg+0xee/0x170 [ 6613.444227][ T10] __sys_sendmsg+0xcd/0x170 [ 6613.444227][ T10] do_syscall_64+0xc6/0x1e0 [ 6613.444227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6613.444227][ T10] [ 6613.446110][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6613.446110][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6613.446110][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6613.446110][ T10] ipv6_find_idev+0x102/0x170 [ 6613.446110][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6613.446110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6613.446110][ T10] netlink_rcv_skb+0x130/0x360 [ 6613.446110][ T10] netlink_unicast+0x449/0x710 [ 6613.446110][ T10] netlink_sendmsg+0x723/0xbe0 [ 6613.446110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6613.446110][ T10] ___sys_sendmsg+0xee/0x170 [ 6613.446110][ T10] __sys_sendmsg+0xcd/0x170 [ 6613.446110][ T10] do_syscall_64+0xc6/0x1e0 [ 6613.446110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6613.446110][ T10] [ 6613.448210][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6613.448470][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6613.448470][ T10] netdev_get_by_index+0x5e/0x80 [ 6613.448470][ T10] fib6_nh_init+0x3d8/0x1580 [ 6613.448470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6613.448470][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6613.448470][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6613.448470][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6613.448470][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6613.448470][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6613.448470][ T10] addrconf_dad_begin+0x310/0x670 [ 6613.448470][ T10] addrconf_dad_work+0x10b/0xab0 [ 6613.448470][ T10] process_one_work+0x84d/0x18a0 [ 6613.448470][ T10] worker_thread+0x587/0xd30 [ 6613.448470][ T10] kthread+0x28a/0x350 [ 6613.448470][ T10] ret_from_fork+0x31/0x70 [ 6613.448470][ T10] ret_from_fork_asm+0x1a/0x30 [ 6613.448470][ T10] [ 6613.450876][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6613.450876][ T10] netdev_get_by_index+0x5e/0x80 [ 6613.450876][ T10] fib6_nh_init+0x3d8/0x1580 [ 6613.450876][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6613.450876][ T10] ip6_route_add+0x1c/0x140 [ 6613.450876][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6613.450876][ T10] inet6_addr_add+0x4f8/0xa40 [ 6613.450876][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6613.450876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6613.450876][ T10] netlink_rcv_skb+0x130/0x360 [ 6613.450876][ T10] netlink_unicast+0x449/0x710 [ 6613.450876][ T10] netlink_sendmsg+0x723/0xbe0 [ 6613.450876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6613.450876][ T10] ___sys_sendmsg+0xee/0x170 [ 6613.450876][ T10] __sys_sendmsg+0xcd/0x170 [ 6613.450876][ T10] do_syscall_64+0xc6/0x1e0 [ 6613.450876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6613.450876][ T10] [ 6613.453266][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6613.453266][ T10] netdev_get_by_index+0x5e/0x80 [ 6613.453266][ T10] fib6_nh_init+0x3d8/0x1580 [ 6613.453266][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6613.453266][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6613.453266][ T10] ipv6_add_addr+0x411/0x2000 [ 6613.453266][ T10] inet6_addr_add+0x30e/0xa40 [ 6613.453266][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6613.453266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6613.453266][ T10] netlink_rcv_skb+0x130/0x360 [ 6613.453266][ T10] netlink_unicast+0x449/0x710 [ 6613.453266][ T10] netlink_sendmsg+0x723/0xbe0 [ 6613.453266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6613.453266][ T10] ___sys_sendmsg+0xee/0x170 [ 6613.453266][ T10] __sys_sendmsg+0xcd/0x170 [ 6613.453266][ T10] do_syscall_64+0xc6/0x1e0 [ 6613.453266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6613.453266][ T10] [ 6613.455724][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6613.455724][ T10] netdev_get_by_index+0x5e/0x80 [ 6613.455724][ T10] fib6_nh_init+0x3d8/0x1580 [ 6613.455724][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6613.455724][ T10] ip6_route_add+0x1c/0x140 [ 6613.455724][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6613.455724][ T10] addrconf_add_dev+0xe2/0x170 [ 6613.455724][ T10] inet6_addr_add+0x12f/0xa40 [ 6613.455724][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6613.455724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6613.455724][ T10] netlink_rcv_skb+0x130/0x360 [ 6613.455724][ T10] netlink_unicast+0x449/0x710 [ 6613.455724][ T10] netlink_sendmsg+0x723/0xbe0 [ 6613.455724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6613.455724][ T10] ___sys_sendmsg+0xee/0x170 [ 6613.455724][ T10] __sys_sendmsg+0xcd/0x170 [ 6613.455724][ T10] do_syscall_64+0xc6/0x1e0 [ 6613.455724][ T10] [ 6613.458158][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6613.458158][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6613.458158][ T10] ipv6_find_idev+0x102/0x170 [ 6613.458158][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6613.458158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6613.458158][ T10] netlink_rcv_skb+0x130/0x360 [ 6613.458158][ T10] netlink_unicast+0x449/0x710 [ 6613.458158][ T10] netlink_sendmsg+0x723/0xbe0 [ 6613.458158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6613.458158][ T10] ___sys_sendmsg+0xee/0x170 [ 6613.458158][ T10] __sys_sendmsg+0xcd/0x170 [ 6613.458158][ T10] do_syscall_64+0xc6/0x1e0 [ 6613.458158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6613.458158][ T10] [ 6613.460036][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6613.460036][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6613.460036][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6613.460036][ T10] ipv6_find_idev+0x102/0x170 [ 6613.460036][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6613.460036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6613.460036][ T10] netlink_rcv_skb+0x130/0x360 [ 6613.460036][ T10] netlink_unicast+0x449/0x710 [ 6613.460036][ T10] netlink_sendmsg+0x723/0xbe0 [ 6613.460036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6613.460036][ T10] ___sys_sendmsg+0xee/0x170 [ 6613.460036][ T10] __sys_sendmsg+0xcd/0x170 [ 6613.460036][ T10] do_syscall_64+0xc6/0x1e0 [ 6613.460036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6613.460036][ T10] [ 6620.561107][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6620.561655][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6620.561655][ T1167] dst_init+0x84/0x4a0 [ 6620.561655][ T1167] dst_alloc+0x97/0x150 [ 6620.561655][ T1167] ip6_dst_alloc+0x23/0x90 [ 6620.561655][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6620.561655][ T1167] ip6_pol_route+0x56f/0x840 [ 6620.561655][ T1167] fib6_rule_lookup+0x334/0x630 [ 6620.561655][ T1167] ip6_route_output_flags+0x259/0x480 [ 6620.561655][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6620.561655][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6620.561655][ T1167] netlink_rcv_skb+0x130/0x360 [ 6620.561655][ T1167] netlink_unicast+0x449/0x710 [ 6620.561655][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6620.561655][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6620.561655][ T1167] ___sys_sendmsg+0xee/0x170 [ 6620.561655][ T1167] __sys_sendmsg+0xcd/0x170 [ 6620.561655][ T1167] do_syscall_64+0xc6/0x1e0 [ 6620.561655][ T1167] [ 6620.564117][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6620.564117][ T1167] netdev_get_by_index+0x5e/0x80 [ 6620.564117][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6620.564117][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6620.564117][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6620.564117][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6620.564117][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6620.564117][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6620.564117][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6620.564117][ T1167] addrconf_dad_begin+0x310/0x670 [ 6620.564117][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6620.564117][ T1167] process_one_work+0x84d/0x18a0 [ 6620.564117][ T1167] worker_thread+0x587/0xd30 [ 6620.564117][ T1167] kthread+0x28a/0x350 [ 6620.564117][ T1167] ret_from_fork+0x31/0x70 [ 6620.564117][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6620.564117][ T1167] [ 6620.566494][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6620.566494][ T1167] netdev_get_by_index+0x5e/0x80 [ 6620.566494][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6620.566494][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6620.566494][ T1167] ip6_route_add+0x1c/0x140 [ 6620.566494][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6620.566494][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6620.566494][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6620.566494][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6620.566494][ T1167] netlink_rcv_skb+0x130/0x360 [ 6620.566494][ T1167] netlink_unicast+0x449/0x710 [ 6620.566494][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6620.566494][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6620.566494][ T1167] ___sys_sendmsg+0xee/0x170 [ 6620.566494][ T1167] __sys_sendmsg+0xcd/0x170 [ 6620.566494][ T1167] do_syscall_64+0xc6/0x1e0 [ 6620.566494][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6620.566494][ T1167] [ 6620.568981][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6620.568981][ T1167] netdev_get_by_index+0x5e/0x80 [ 6620.568981][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6620.568981][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6620.568981][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6620.568981][ T1167] ipv6_add_addr+0x411/0x2000 [ 6620.568981][ T1167] inet6_addr_add+0x30e/0xa40 [ 6620.568981][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6620.568981][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6620.568981][ T1167] netlink_rcv_skb+0x130/0x360 [ 6620.568981][ T1167] netlink_unicast+0x449/0x710 [ 6620.568981][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6620.568981][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6620.568981][ T1167] ___sys_sendmsg+0xee/0x170 [ 6620.568981][ T1167] __sys_sendmsg+0xcd/0x170 [ 6620.568981][ T1167] do_syscall_64+0xc6/0x1e0 [ 6620.568981][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6620.568981][ T1167] [ 6620.571476][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6620.571476][ T1167] netdev_get_by_index+0x5e/0x80 [ 6620.571476][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6620.571476][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6620.571476][ T1167] ip6_route_add+0x1c/0x140 [ 6620.571476][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6620.571476][ T1167] addrconf_add_dev+0xe2/0x170 [ 6620.571476][ T1167] inet6_addr_add+0x12f/0xa40 [ 6620.571476][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6620.571476][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6620.571476][ T1167] netlink_rcv_skb+0x130/0x360 [ 6620.571476][ T1167] netlink_unicast+0x449/0x710 [ 6620.571476][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6620.571476][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6620.571476][ T1167] ___sys_sendmsg+0xee/0x170 [ 6620.571476][ T1167] __sys_sendmsg+0xcd/0x170 [ 6620.571476][ T1167] do_syscall_64+0xc6/0x1e0 [ 6620.571476][ T1167] [ 6620.573941][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6620.573941][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6620.573941][ T1167] ipv6_find_idev+0x102/0x170 [ 6620.573941][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6620.573941][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6620.573941][ T1167] netlink_rcv_skb+0x130/0x360 [ 6620.573941][ T1167] netlink_unicast+0x449/0x710 [ 6620.573941][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6620.573941][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6620.573941][ T1167] ___sys_sendmsg+0xee/0x170 [ 6620.573941][ T1167] __sys_sendmsg+0xcd/0x170 [ 6620.573941][ T1167] do_syscall_64+0xc6/0x1e0 [ 6620.573941][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6620.573941][ T1167] [ 6620.575846][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6620.575846][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6620.575846][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6620.575846][ T1167] ipv6_find_idev+0x102/0x170 [ 6620.575846][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6620.575846][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6620.575846][ T1167] netlink_rcv_skb+0x130/0x360 [ 6620.575846][ T1167] netlink_unicast+0x449/0x710 [ 6620.575846][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6620.575846][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6620.575846][ T1167] ___sys_sendmsg+0xee/0x170 [ 6620.575846][ T1167] __sys_sendmsg+0xcd/0x170 [ 6620.575846][ T1167] do_syscall_64+0xc6/0x1e0 [ 6620.575846][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6620.575846][ T1167] [ 6623.705137][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6623.705567][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6623.705567][ T10] netdev_get_by_index+0x5e/0x80 [ 6623.705567][ T10] fib6_nh_init+0x3d8/0x1580 [ 6623.705567][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6623.705567][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6623.705567][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6623.705567][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6623.705567][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6623.705567][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6623.705567][ T10] addrconf_dad_begin+0x310/0x670 [ 6623.705567][ T10] addrconf_dad_work+0x10b/0xab0 [ 6623.705567][ T10] process_one_work+0x84d/0x18a0 [ 6623.705567][ T10] worker_thread+0x587/0xd30 [ 6623.705567][ T10] kthread+0x28a/0x350 [ 6623.705567][ T10] ret_from_fork+0x31/0x70 [ 6623.705567][ T10] ret_from_fork_asm+0x1a/0x30 [ 6623.705567][ T10] [ 6623.707723][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6623.707723][ T10] netdev_get_by_index+0x5e/0x80 [ 6623.707723][ T10] fib6_nh_init+0x3d8/0x1580 [ 6623.707723][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6623.707723][ T10] ip6_route_add+0x1c/0x140 [ 6623.707723][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6623.707723][ T10] inet6_addr_add+0x4f8/0xa40 [ 6623.707723][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6623.707723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6623.707723][ T10] netlink_rcv_skb+0x130/0x360 [ 6623.707723][ T10] netlink_unicast+0x449/0x710 [ 6623.707723][ T10] netlink_sendmsg+0x723/0xbe0 [ 6623.707723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6623.707723][ T10] ___sys_sendmsg+0xee/0x170 [ 6623.707723][ T10] __sys_sendmsg+0xcd/0x170 [ 6623.707723][ T10] do_syscall_64+0xc6/0x1e0 [ 6623.707723][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6623.707723][ T10] [ 6623.709941][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6623.709941][ T10] netdev_get_by_index+0x5e/0x80 [ 6623.709941][ T10] fib6_nh_init+0x3d8/0x1580 [ 6623.709941][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6623.709941][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6623.709941][ T10] ipv6_add_addr+0x411/0x2000 [ 6623.709941][ T10] inet6_addr_add+0x30e/0xa40 [ 6623.709941][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6623.709941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6623.709941][ T10] netlink_rcv_skb+0x130/0x360 [ 6623.709941][ T10] netlink_unicast+0x449/0x710 [ 6623.709941][ T10] netlink_sendmsg+0x723/0xbe0 [ 6623.709941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6623.709941][ T10] ___sys_sendmsg+0xee/0x170 [ 6623.709941][ T10] __sys_sendmsg+0xcd/0x170 [ 6623.709941][ T10] do_syscall_64+0xc6/0x1e0 [ 6623.709941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6623.709941][ T10] [ 6623.712162][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6623.712162][ T10] netdev_get_by_index+0x5e/0x80 [ 6623.712162][ T10] fib6_nh_init+0x3d8/0x1580 [ 6623.712162][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6623.712162][ T10] ip6_route_add+0x1c/0x140 [ 6623.712162][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6623.712162][ T10] addrconf_add_dev+0xe2/0x170 [ 6623.712162][ T10] inet6_addr_add+0x12f/0xa40 [ 6623.712162][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6623.712162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6623.712162][ T10] netlink_rcv_skb+0x130/0x360 [ 6623.712162][ T10] netlink_unicast+0x449/0x710 [ 6623.712162][ T10] netlink_sendmsg+0x723/0xbe0 [ 6623.712162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6623.712162][ T10] ___sys_sendmsg+0xee/0x170 [ 6623.712162][ T10] __sys_sendmsg+0xcd/0x170 [ 6623.712162][ T10] do_syscall_64+0xc6/0x1e0 [ 6623.712162][ T10] [ 6623.714339][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6623.714339][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6623.714339][ T10] ipv6_find_idev+0x102/0x170 [ 6623.714339][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6623.714339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6623.714339][ T10] netlink_rcv_skb+0x130/0x360 [ 6623.714339][ T10] netlink_unicast+0x449/0x710 [ 6623.714339][ T10] netlink_sendmsg+0x723/0xbe0 [ 6623.714339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6623.714339][ T10] ___sys_sendmsg+0xee/0x170 [ 6623.714339][ T10] __sys_sendmsg+0xcd/0x170 [ 6623.714339][ T10] do_syscall_64+0xc6/0x1e0 [ 6623.714339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6623.714339][ T10] [ 6623.716054][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6623.716054][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6623.716054][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6623.716054][ T10] ipv6_find_idev+0x102/0x170 [ 6623.716054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6623.716054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6623.716054][ T10] netlink_rcv_skb+0x130/0x360 [ 6623.716054][ T10] netlink_unicast+0x449/0x710 [ 6623.716054][ T10] netlink_sendmsg+0x723/0xbe0 [ 6623.716054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6623.716054][ T10] ___sys_sendmsg+0xee/0x170 [ 6623.716054][ T10] __sys_sendmsg+0xcd/0x170 [ 6623.716054][ T10] do_syscall_64+0xc6/0x1e0 [ 6623.716054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6623.716054][ T10] [ 6623.717953][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6623.718239][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6623.718239][ T10] netdev_get_by_index+0x5e/0x80 [ 6623.718239][ T10] fib6_nh_init+0x3d8/0x1580 [ 6623.718239][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6623.718239][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6623.718239][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6623.718239][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6623.718239][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6623.718239][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6623.718239][ T10] addrconf_dad_begin+0x310/0x670 [ 6623.718239][ T10] addrconf_dad_work+0x10b/0xab0 [ 6623.718239][ T10] process_one_work+0x84d/0x18a0 [ 6623.718239][ T10] worker_thread+0x587/0xd30 [ 6623.718239][ T10] kthread+0x28a/0x350 [ 6623.718239][ T10] ret_from_fork+0x31/0x70 [ 6623.718239][ T10] ret_from_fork_asm+0x1a/0x30 [ 6623.718239][ T10] [ 6623.720367][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6623.720367][ T10] netdev_get_by_index+0x5e/0x80 [ 6623.720367][ T10] fib6_nh_init+0x3d8/0x1580 [ 6623.720367][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6623.720367][ T10] ip6_route_add+0x1c/0x140 [ 6623.720367][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6623.720367][ T10] inet6_addr_add+0x4f8/0xa40 [ 6623.720367][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6623.720367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6623.720367][ T10] netlink_rcv_skb+0x130/0x360 [ 6623.720367][ T10] netlink_unicast+0x449/0x710 [ 6623.720367][ T10] netlink_sendmsg+0x723/0xbe0 [ 6623.720367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6623.720367][ T10] ___sys_sendmsg+0xee/0x170 [ 6623.720367][ T10] __sys_sendmsg+0xcd/0x170 [ 6623.720367][ T10] do_syscall_64+0xc6/0x1e0 [ 6623.720367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6623.720367][ T10] [ 6623.722568][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6623.722568][ T10] netdev_get_by_index+0x5e/0x80 [ 6623.722568][ T10] fib6_nh_init+0x3d8/0x1580 [ 6623.722568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6623.722568][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6623.722568][ T10] ipv6_add_addr+0x411/0x2000 [ 6623.722568][ T10] inet6_addr_add+0x30e/0xa40 [ 6623.722568][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6623.722568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6623.722568][ T10] netlink_rcv_skb+0x130/0x360 [ 6623.722568][ T10] netlink_unicast+0x449/0x710 [ 6623.722568][ T10] netlink_sendmsg+0x723/0xbe0 [ 6623.722568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6623.722568][ T10] ___sys_sendmsg+0xee/0x170 [ 6623.722568][ T10] __sys_sendmsg+0xcd/0x170 [ 6623.722568][ T10] do_syscall_64+0xc6/0x1e0 [ 6623.722568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6623.722568][ T10] [ 6623.724781][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6623.724781][ T10] netdev_get_by_index+0x5e/0x80 [ 6623.724781][ T10] fib6_nh_init+0x3d8/0x1580 [ 6623.724781][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6623.724781][ T10] ip6_route_add+0x1c/0x140 [ 6623.724781][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6623.724781][ T10] addrconf_add_dev+0xe2/0x170 [ 6623.724781][ T10] inet6_addr_add+0x12f/0xa40 [ 6623.724781][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6623.724781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6623.724781][ T10] netlink_rcv_skb+0x130/0x360 [ 6623.724781][ T10] netlink_unicast+0x449/0x710 [ 6623.724781][ T10] netlink_sendmsg+0x723/0xbe0 [ 6623.724781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6623.724781][ T10] ___sys_sendmsg+0xee/0x170 [ 6623.724781][ T10] __sys_sendmsg+0xcd/0x170 [ 6623.724781][ T10] do_syscall_64+0xc6/0x1e0 [ 6623.724781][ T10] [ 6623.726971][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6623.726971][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6623.726971][ T10] ipv6_find_idev+0x102/0x170 [ 6623.726971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6623.726971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6623.726971][ T10] netlink_rcv_skb+0x130/0x360 [ 6623.726971][ T10] netlink_unicast+0x449/0x710 [ 6623.726971][ T10] netlink_sendmsg+0x723/0xbe0 [ 6623.726971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6623.726971][ T10] ___sys_sendmsg+0xee/0x170 [ 6623.726971][ T10] __sys_sendmsg+0xcd/0x170 [ 6623.726971][ T10] do_syscall_64+0xc6/0x1e0 [ 6623.726971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6623.726971][ T10] [ 6623.728660][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6623.728660][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6623.728660][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6623.728660][ T10] ipv6_find_idev+0x102/0x170 [ 6623.728660][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6623.728660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6623.728660][ T10] netlink_rcv_skb+0x130/0x360 [ 6623.728660][ T10] netlink_unicast+0x449/0x710 [ 6623.728660][ T10] netlink_sendmsg+0x723/0xbe0 [ 6623.728660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6623.728660][ T10] ___sys_sendmsg+0xee/0x170 [ 6623.728660][ T10] __sys_sendmsg+0xcd/0x170 [ 6623.728660][ T10] do_syscall_64+0xc6/0x1e0 [ 6623.728660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6623.728660][ T10] [ 6623.730517][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6623.730780][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6623.730780][ T10] netdev_get_by_index+0x5e/0x80 [ 6623.730780][ T10] fib6_nh_init+0x3d8/0x1580 [ 6623.730780][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6623.730780][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6623.730780][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6623.730780][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6623.730780][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6623.730780][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6623.730780][ T10] addrconf_dad_begin+0x310/0x670 [ 6623.730780][ T10] addrconf_dad_work+0x10b/0xab0 [ 6623.730780][ T10] process_one_work+0x84d/0x18a0 [ 6623.730780][ T10] worker_thread+0x587/0xd30 [ 6623.730780][ T10] kthread+0x28a/0x350 [ 6623.730780][ T10] ret_from_fork+0x31/0x70 [ 6623.730780][ T10] ret_from_fork_asm+0x1a/0x30 [ 6623.730780][ T10] [ 6623.732901][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6623.732901][ T10] netdev_get_by_index+0x5e/0x80 [ 6623.732901][ T10] fib6_nh_init+0x3d8/0x1580 [ 6623.732901][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6623.732901][ T10] ip6_route_add+0x1c/0x140 [ 6623.732901][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6623.732901][ T10] inet6_addr_add+0x4f8/0xa40 [ 6623.732901][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6623.732901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6623.732901][ T10] netlink_rcv_skb+0x130/0x360 [ 6623.732901][ T10] netlink_unicast+0x449/0x710 [ 6623.732901][ T10] netlink_sendmsg+0x723/0xbe0 [ 6623.732901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6623.732901][ T10] ___sys_sendmsg+0xee/0x170 [ 6623.732901][ T10] __sys_sendmsg+0xcd/0x170 [ 6623.732901][ T10] do_syscall_64+0xc6/0x1e0 [ 6623.732901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6623.732901][ T10] [ 6623.735260][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6623.735260][ T10] netdev_get_by_index+0x5e/0x80 [ 6623.735260][ T10] fib6_nh_init+0x3d8/0x1580 [ 6623.735260][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6623.735260][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6623.735260][ T10] ipv6_add_addr+0x411/0x2000 [ 6623.735260][ T10] inet6_addr_add+0x30e/0xa40 [ 6623.735260][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6623.735260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6623.735260][ T10] netlink_rcv_skb+0x130/0x360 [ 6623.735260][ T10] netlink_unicast+0x449/0x710 [ 6623.735260][ T10] netlink_sendmsg+0x723/0xbe0 [ 6623.735260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6623.735260][ T10] ___sys_sendmsg+0xee/0x170 [ 6623.735260][ T10] __sys_sendmsg+0xcd/0x170 [ 6623.735260][ T10] do_syscall_64+0xc6/0x1e0 [ 6623.735260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6623.735260][ T10] [ 6623.737619][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6623.737619][ T10] netdev_get_by_index+0x5e/0x80 [ 6623.737619][ T10] fib6_nh_init+0x3d8/0x1580 [ 6623.737619][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6623.737619][ T10] ip6_route_add+0x1c/0x140 [ 6623.737619][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6623.737619][ T10] addrconf_add_dev+0xe2/0x170 [ 6623.737619][ T10] inet6_addr_add+0x12f/0xa40 [ 6623.737619][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6623.737619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6623.737619][ T10] netlink_rcv_skb+0x130/0x360 [ 6623.737619][ T10] netlink_unicast+0x449/0x710 [ 6623.737619][ T10] netlink_sendmsg+0x723/0xbe0 [ 6623.737619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6623.737619][ T10] ___sys_sendmsg+0xee/0x170 [ 6623.737619][ T10] __sys_sendmsg+0xcd/0x170 [ 6623.737619][ T10] do_syscall_64+0xc6/0x1e0 [ 6623.737619][ T10] [ 6623.739951][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6623.739951][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6623.739951][ T10] ipv6_find_idev+0x102/0x170 [ 6623.739951][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6623.739951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6623.739951][ T10] netlink_rcv_skb+0x130/0x360 [ 6623.739951][ T10] netlink_unicast+0x449/0x710 [ 6623.739951][ T10] netlink_sendmsg+0x723/0xbe0 [ 6623.739951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6623.739951][ T10] ___sys_sendmsg+0xee/0x170 [ 6623.739951][ T10] __sys_sendmsg+0xcd/0x170 [ 6623.739951][ T10] do_syscall_64+0xc6/0x1e0 [ 6623.739951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6623.739951][ T10] [ 6623.741727][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6623.741727][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6623.741727][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6623.741727][ T10] ipv6_find_idev+0x102/0x170 [ 6623.741727][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6623.741727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6623.741727][ T10] netlink_rcv_skb+0x130/0x360 [ 6623.741727][ T10] netlink_unicast+0x449/0x710 [ 6623.741727][ T10] netlink_sendmsg+0x723/0xbe0 [ 6623.741727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6623.741727][ T10] ___sys_sendmsg+0xee/0x170 [ 6623.741727][ T10] __sys_sendmsg+0xcd/0x170 [ 6623.741727][ T10] do_syscall_64+0xc6/0x1e0 [ 6623.741727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6623.741727][ T10] [ 6623.743801][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6623.744506][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6623.744506][ T10] netdev_get_by_index+0x5e/0x80 [ 6623.744506][ T10] fib6_nh_init+0x3d8/0x1580 [ 6623.744506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6623.744506][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6623.744506][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6623.744506][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6623.744506][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6623.744506][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6623.744506][ T10] addrconf_dad_begin+0x310/0x670 [ 6623.744506][ T10] addrconf_dad_work+0x10b/0xab0 [ 6623.744506][ T10] process_one_work+0x84d/0x18a0 [ 6623.744506][ T10] worker_thread+0x587/0xd30 [ 6623.744506][ T10] kthread+0x28a/0x350 [ 6623.744506][ T10] ret_from_fork+0x31/0x70 [ 6623.744506][ T10] ret_from_fork_asm+0x1a/0x30 [ 6623.744506][ T10] [ 6623.746618][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6623.746618][ T10] netdev_get_by_index+0x5e/0x80 [ 6623.746618][ T10] fib6_nh_init+0x3d8/0x1580 [ 6623.746618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6623.746618][ T10] ip6_route_add+0x1c/0x140 [ 6623.746618][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6623.746618][ T10] inet6_addr_add+0x4f8/0xa40 [ 6623.746618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6623.746618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6623.746618][ T10] netlink_rcv_skb+0x130/0x360 [ 6623.746618][ T10] netlink_unicast+0x449/0x710 [ 6623.746618][ T10] netlink_sendmsg+0x723/0xbe0 [ 6623.746618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6623.746618][ T10] ___sys_sendmsg+0xee/0x170 [ 6623.746618][ T10] __sys_sendmsg+0xcd/0x170 [ 6623.746618][ T10] do_syscall_64+0xc6/0x1e0 [ 6623.746618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6623.746618][ T10] [ 6623.748855][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6623.748855][ T10] netdev_get_by_index+0x5e/0x80 [ 6623.748855][ T10] fib6_nh_init+0x3d8/0x1580 [ 6623.748855][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6623.748855][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6623.748855][ T10] ipv6_add_addr+0x411/0x2000 [ 6623.748855][ T10] inet6_addr_add+0x30e/0xa40 [ 6623.748855][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6623.748855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6623.748855][ T10] netlink_rcv_skb+0x130/0x360 [ 6623.748855][ T10] netlink_unicast+0x449/0x710 [ 6623.748855][ T10] netlink_sendmsg+0x723/0xbe0 [ 6623.748855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6623.748855][ T10] ___sys_sendmsg+0xee/0x170 [ 6623.748855][ T10] __sys_sendmsg+0xcd/0x170 [ 6623.748855][ T10] do_syscall_64+0xc6/0x1e0 [ 6623.748855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6623.748855][ T10] [ 6623.751247][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6623.751247][ T10] netdev_get_by_index+0x5e/0x80 [ 6623.751247][ T10] fib6_nh_init+0x3d8/0x1580 [ 6623.751247][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6623.751247][ T10] ip6_route_add+0x1c/0x140 [ 6623.751247][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6623.751247][ T10] addrconf_add_dev+0xe2/0x170 [ 6623.751247][ T10] inet6_addr_add+0x12f/0xa40 [ 6623.751247][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6623.751247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6623.751247][ T10] netlink_rcv_skb+0x130/0x360 [ 6623.751247][ T10] netlink_unicast+0x449/0x710 [ 6623.751247][ T10] netlink_sendmsg+0x723/0xbe0 [ 6623.751247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6623.751247][ T10] ___sys_sendmsg+0xee/0x170 [ 6623.751247][ T10] __sys_sendmsg+0xcd/0x170 [ 6623.751247][ T10] do_syscall_64+0xc6/0x1e0 [ 6623.751247][ T10] [ 6623.753581][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6623.753581][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6623.753581][ T10] ipv6_find_idev+0x102/0x170 [ 6623.753581][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6623.753581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6623.753581][ T10] netlink_rcv_skb+0x130/0x360 [ 6623.753581][ T10] netlink_unicast+0x449/0x710 [ 6623.753581][ T10] netlink_sendmsg+0x723/0xbe0 [ 6623.753581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6623.753581][ T10] ___sys_sendmsg+0xee/0x170 [ 6623.753581][ T10] __sys_sendmsg+0xcd/0x170 [ 6623.753581][ T10] do_syscall_64+0xc6/0x1e0 [ 6623.753581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6623.753581][ T10] [ 6623.755368][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6623.755368][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6623.755368][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6623.755368][ T10] ipv6_find_idev+0x102/0x170 [ 6623.755368][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6623.755368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6623.755368][ T10] netlink_rcv_skb+0x130/0x360 [ 6623.755368][ T10] netlink_unicast+0x449/0x710 [ 6623.755368][ T10] netlink_sendmsg+0x723/0xbe0 [ 6623.755368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6623.755368][ T10] ___sys_sendmsg+0xee/0x170 [ 6623.755368][ T10] __sys_sendmsg+0xcd/0x170 [ 6623.755368][ T10] do_syscall_64+0xc6/0x1e0 [ 6623.755368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6623.755368][ T10] [ 6630.817113][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6630.817614][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6630.817614][ T1167] dst_init+0x84/0x4a0 [ 6630.817614][ T1167] dst_alloc+0x97/0x150 [ 6630.817614][ T1167] ip6_dst_alloc+0x23/0x90 [ 6630.817614][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6630.817614][ T1167] ip6_pol_route+0x56f/0x840 [ 6630.817614][ T1167] fib6_rule_lookup+0x334/0x630 [ 6630.817614][ T1167] ip6_route_output_flags+0x259/0x480 [ 6630.817614][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6630.817614][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6630.817614][ T1167] netlink_rcv_skb+0x130/0x360 [ 6630.817614][ T1167] netlink_unicast+0x449/0x710 [ 6630.817614][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6630.817614][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6630.817614][ T1167] ___sys_sendmsg+0xee/0x170 [ 6630.817614][ T1167] __sys_sendmsg+0xcd/0x170 [ 6630.817614][ T1167] do_syscall_64+0xc6/0x1e0 [ 6630.817614][ T1167] [ 6630.820039][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6630.820039][ T1167] netdev_get_by_index+0x5e/0x80 [ 6630.820039][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6630.820039][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6630.820039][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6630.820039][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6630.820039][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6630.820039][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6630.820039][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6630.820039][ T1167] addrconf_dad_begin+0x310/0x670 [ 6630.820039][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6630.820039][ T1167] process_one_work+0x84d/0x18a0 [ 6630.820039][ T1167] worker_thread+0x587/0xd30 [ 6630.820039][ T1167] kthread+0x28a/0x350 [ 6630.820039][ T1167] ret_from_fork+0x31/0x70 [ 6630.820039][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6630.820039][ T1167] [ 6630.822448][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6630.822448][ T1167] netdev_get_by_index+0x5e/0x80 [ 6630.822448][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6630.822448][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6630.822448][ T1167] ip6_route_add+0x1c/0x140 [ 6630.822448][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6630.822448][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6630.822448][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6630.822448][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6630.822448][ T1167] netlink_rcv_skb+0x130/0x360 [ 6630.822448][ T1167] netlink_unicast+0x449/0x710 [ 6630.822448][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6630.822448][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6630.822448][ T1167] ___sys_sendmsg+0xee/0x170 [ 6630.822448][ T1167] __sys_sendmsg+0xcd/0x170 [ 6630.822448][ T1167] do_syscall_64+0xc6/0x1e0 [ 6630.822448][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6630.822448][ T1167] [ 6630.824928][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6630.824928][ T1167] netdev_get_by_index+0x5e/0x80 [ 6630.824928][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6630.824928][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6630.824928][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6630.824928][ T1167] ipv6_add_addr+0x411/0x2000 [ 6630.824928][ T1167] inet6_addr_add+0x30e/0xa40 [ 6630.824928][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6630.824928][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6630.824928][ T1167] netlink_rcv_skb+0x130/0x360 [ 6630.824928][ T1167] netlink_unicast+0x449/0x710 [ 6630.824928][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6630.824928][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6630.824928][ T1167] ___sys_sendmsg+0xee/0x170 [ 6630.824928][ T1167] __sys_sendmsg+0xcd/0x170 [ 6630.824928][ T1167] do_syscall_64+0xc6/0x1e0 [ 6630.824928][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6630.824928][ T1167] [ 6630.827394][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6630.827394][ T1167] netdev_get_by_index+0x5e/0x80 [ 6630.827394][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6630.827394][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6630.827394][ T1167] ip6_route_add+0x1c/0x140 [ 6630.827394][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6630.827394][ T1167] addrconf_add_dev+0xe2/0x170 [ 6630.827394][ T1167] inet6_addr_add+0x12f/0xa40 [ 6630.827394][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6630.827394][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6630.827394][ T1167] netlink_rcv_skb+0x130/0x360 [ 6630.827394][ T1167] netlink_unicast+0x449/0x710 [ 6630.827394][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6630.827394][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6630.827394][ T1167] ___sys_sendmsg+0xee/0x170 [ 6630.827394][ T1167] __sys_sendmsg+0xcd/0x170 [ 6630.827394][ T1167] do_syscall_64+0xc6/0x1e0 [ 6630.827394][ T1167] [ 6630.829813][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6630.829813][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6630.829813][ T1167] ipv6_find_idev+0x102/0x170 [ 6630.829813][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6630.829813][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6630.829813][ T1167] netlink_rcv_skb+0x130/0x360 [ 6630.829813][ T1167] netlink_unicast+0x449/0x710 [ 6630.829813][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6630.829813][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6630.829813][ T1167] ___sys_sendmsg+0xee/0x170 [ 6630.829813][ T1167] __sys_sendmsg+0xcd/0x170 [ 6630.829813][ T1167] do_syscall_64+0xc6/0x1e0 [ 6630.829813][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6630.829813][ T1167] [ 6630.831724][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6630.831724][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6630.831724][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6630.831724][ T1167] ipv6_find_idev+0x102/0x170 [ 6630.831724][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6630.831724][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6630.831724][ T1167] netlink_rcv_skb+0x130/0x360 [ 6630.831724][ T1167] netlink_unicast+0x449/0x710 [ 6630.831724][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6630.831724][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6630.831724][ T1167] ___sys_sendmsg+0xee/0x170 [ 6630.831724][ T1167] __sys_sendmsg+0xcd/0x170 [ 6630.831724][ T1167] do_syscall_64+0xc6/0x1e0 [ 6630.831724][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6630.831724][ T1167] [ 6633.993135][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6633.993557][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6633.993557][ T10] netdev_get_by_index+0x5e/0x80 [ 6633.993557][ T10] fib6_nh_init+0x3d8/0x1580 [ 6633.993557][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6633.993557][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6633.993557][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6633.993557][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6633.993557][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6633.993557][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6633.993557][ T10] addrconf_dad_begin+0x310/0x670 [ 6633.993557][ T10] addrconf_dad_work+0x10b/0xab0 [ 6633.993557][ T10] process_one_work+0x84d/0x18a0 [ 6633.993557][ T10] worker_thread+0x587/0xd30 [ 6633.993557][ T10] kthread+0x28a/0x350 [ 6633.993557][ T10] ret_from_fork+0x31/0x70 [ 6633.993557][ T10] ret_from_fork_asm+0x1a/0x30 [ 6633.993557][ T10] [ 6633.995722][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6633.995722][ T10] netdev_get_by_index+0x5e/0x80 [ 6633.995722][ T10] fib6_nh_init+0x3d8/0x1580 [ 6633.995722][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6633.995722][ T10] ip6_route_add+0x1c/0x140 [ 6633.995722][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6633.995722][ T10] inet6_addr_add+0x4f8/0xa40 [ 6633.995722][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6633.995722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6633.995722][ T10] netlink_rcv_skb+0x130/0x360 [ 6633.995722][ T10] netlink_unicast+0x449/0x710 [ 6633.995722][ T10] netlink_sendmsg+0x723/0xbe0 [ 6633.995722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6633.995722][ T10] ___sys_sendmsg+0xee/0x170 [ 6633.995722][ T10] __sys_sendmsg+0xcd/0x170 [ 6633.995722][ T10] do_syscall_64+0xc6/0x1e0 [ 6633.995722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6633.995722][ T10] [ 6633.997965][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6633.997965][ T10] netdev_get_by_index+0x5e/0x80 [ 6633.997965][ T10] fib6_nh_init+0x3d8/0x1580 [ 6633.997965][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6633.997965][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6633.997965][ T10] ipv6_add_addr+0x411/0x2000 [ 6633.997965][ T10] inet6_addr_add+0x30e/0xa40 [ 6633.997965][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6633.997965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6633.997965][ T10] netlink_rcv_skb+0x130/0x360 [ 6633.997965][ T10] netlink_unicast+0x449/0x710 [ 6633.997965][ T10] netlink_sendmsg+0x723/0xbe0 [ 6633.997965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6633.997965][ T10] ___sys_sendmsg+0xee/0x170 [ 6633.997965][ T10] __sys_sendmsg+0xcd/0x170 [ 6633.997965][ T10] do_syscall_64+0xc6/0x1e0 [ 6633.997965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6633.997965][ T10] [ 6634.000195][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6634.000195][ T10] netdev_get_by_index+0x5e/0x80 [ 6634.000195][ T10] fib6_nh_init+0x3d8/0x1580 [ 6634.000195][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6634.000195][ T10] ip6_route_add+0x1c/0x140 [ 6634.000195][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6634.000195][ T10] addrconf_add_dev+0xe2/0x170 [ 6634.000195][ T10] inet6_addr_add+0x12f/0xa40 [ 6634.000195][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6634.000195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6634.000195][ T10] netlink_rcv_skb+0x130/0x360 [ 6634.000195][ T10] netlink_unicast+0x449/0x710 [ 6634.000195][ T10] netlink_sendmsg+0x723/0xbe0 [ 6634.000195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6634.000195][ T10] ___sys_sendmsg+0xee/0x170 [ 6634.000195][ T10] __sys_sendmsg+0xcd/0x170 [ 6634.000195][ T10] do_syscall_64+0xc6/0x1e0 [ 6634.000195][ T10] [ 6634.002383][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6634.002383][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6634.002383][ T10] ipv6_find_idev+0x102/0x170 [ 6634.002383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6634.002383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6634.002383][ T10] netlink_rcv_skb+0x130/0x360 [ 6634.002383][ T10] netlink_unicast+0x449/0x710 [ 6634.002383][ T10] netlink_sendmsg+0x723/0xbe0 [ 6634.002383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6634.002383][ T10] ___sys_sendmsg+0xee/0x170 [ 6634.002383][ T10] __sys_sendmsg+0xcd/0x170 [ 6634.002383][ T10] do_syscall_64+0xc6/0x1e0 [ 6634.002383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6634.002383][ T10] [ 6634.004108][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6634.004108][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6634.004108][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6634.004108][ T10] ipv6_find_idev+0x102/0x170 [ 6634.004108][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6634.004108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6634.004108][ T10] netlink_rcv_skb+0x130/0x360 [ 6634.004108][ T10] netlink_unicast+0x449/0x710 [ 6634.004108][ T10] netlink_sendmsg+0x723/0xbe0 [ 6634.004108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6634.004108][ T10] ___sys_sendmsg+0xee/0x170 [ 6634.004108][ T10] __sys_sendmsg+0xcd/0x170 [ 6634.004108][ T10] do_syscall_64+0xc6/0x1e0 [ 6634.004108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6634.004108][ T10] [ 6634.005987][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6634.006266][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6634.006266][ T10] netdev_get_by_index+0x5e/0x80 [ 6634.006266][ T10] fib6_nh_init+0x3d8/0x1580 [ 6634.006266][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6634.006266][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6634.006266][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6634.006266][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6634.006266][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6634.006266][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6634.006266][ T10] addrconf_dad_begin+0x310/0x670 [ 6634.006266][ T10] addrconf_dad_work+0x10b/0xab0 [ 6634.006266][ T10] process_one_work+0x84d/0x18a0 [ 6634.006266][ T10] worker_thread+0x587/0xd30 [ 6634.006266][ T10] kthread+0x28a/0x350 [ 6634.006266][ T10] ret_from_fork+0x31/0x70 [ 6634.006266][ T10] ret_from_fork_asm+0x1a/0x30 [ 6634.006266][ T10] [ 6634.008405][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6634.008405][ T10] netdev_get_by_index+0x5e/0x80 [ 6634.008405][ T10] fib6_nh_init+0x3d8/0x1580 [ 6634.008405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6634.008405][ T10] ip6_route_add+0x1c/0x140 [ 6634.008405][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6634.008405][ T10] inet6_addr_add+0x4f8/0xa40 [ 6634.008405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6634.008405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6634.008405][ T10] netlink_rcv_skb+0x130/0x360 [ 6634.008405][ T10] netlink_unicast+0x449/0x710 [ 6634.008405][ T10] netlink_sendmsg+0x723/0xbe0 [ 6634.008405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6634.008405][ T10] ___sys_sendmsg+0xee/0x170 [ 6634.008405][ T10] __sys_sendmsg+0xcd/0x170 [ 6634.008405][ T10] do_syscall_64+0xc6/0x1e0 [ 6634.008405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6634.008405][ T10] [ 6634.010621][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6634.010621][ T10] netdev_get_by_index+0x5e/0x80 [ 6634.010621][ T10] fib6_nh_init+0x3d8/0x1580 [ 6634.010621][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6634.010621][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6634.010621][ T10] ipv6_add_addr+0x411/0x2000 [ 6634.010621][ T10] inet6_addr_add+0x30e/0xa40 [ 6634.010621][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6634.010621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6634.010621][ T10] netlink_rcv_skb+0x130/0x360 [ 6634.010621][ T10] netlink_unicast+0x449/0x710 [ 6634.010621][ T10] netlink_sendmsg+0x723/0xbe0 [ 6634.010621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6634.010621][ T10] ___sys_sendmsg+0xee/0x170 [ 6634.010621][ T10] __sys_sendmsg+0xcd/0x170 [ 6634.010621][ T10] do_syscall_64+0xc6/0x1e0 [ 6634.010621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6634.010621][ T10] [ 6634.012844][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6634.012844][ T10] netdev_get_by_index+0x5e/0x80 [ 6634.012844][ T10] fib6_nh_init+0x3d8/0x1580 [ 6634.012844][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6634.012844][ T10] ip6_route_add+0x1c/0x140 [ 6634.012844][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6634.012844][ T10] addrconf_add_dev+0xe2/0x170 [ 6634.012844][ T10] inet6_addr_add+0x12f/0xa40 [ 6634.012844][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6634.012844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6634.012844][ T10] netlink_rcv_skb+0x130/0x360 [ 6634.012844][ T10] netlink_unicast+0x449/0x710 [ 6634.012844][ T10] netlink_sendmsg+0x723/0xbe0 [ 6634.012844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6634.012844][ T10] ___sys_sendmsg+0xee/0x170 [ 6634.012844][ T10] __sys_sendmsg+0xcd/0x170 [ 6634.012844][ T10] do_syscall_64+0xc6/0x1e0 [ 6634.012844][ T10] [ 6634.015027][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6634.015027][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6634.015027][ T10] ipv6_find_idev+0x102/0x170 [ 6634.015027][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6634.015027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6634.015027][ T10] netlink_rcv_skb+0x130/0x360 [ 6634.015027][ T10] netlink_unicast+0x449/0x710 [ 6634.015027][ T10] netlink_sendmsg+0x723/0xbe0 [ 6634.015027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6634.015027][ T10] ___sys_sendmsg+0xee/0x170 [ 6634.015027][ T10] __sys_sendmsg+0xcd/0x170 [ 6634.015027][ T10] do_syscall_64+0xc6/0x1e0 [ 6634.015027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6634.015027][ T10] [ 6634.016765][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6634.016765][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6634.016765][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6634.016765][ T10] ipv6_find_idev+0x102/0x170 [ 6634.016765][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6634.016765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6634.016765][ T10] netlink_rcv_skb+0x130/0x360 [ 6634.016765][ T10] netlink_unicast+0x449/0x710 [ 6634.016765][ T10] netlink_sendmsg+0x723/0xbe0 [ 6634.016765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6634.016765][ T10] ___sys_sendmsg+0xee/0x170 [ 6634.016765][ T10] __sys_sendmsg+0xcd/0x170 [ 6634.016765][ T10] do_syscall_64+0xc6/0x1e0 [ 6634.016765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6634.016765][ T10] [ 6634.018661][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6634.018931][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6634.018931][ T10] netdev_get_by_index+0x5e/0x80 [ 6634.018931][ T10] fib6_nh_init+0x3d8/0x1580 [ 6634.018931][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6634.018931][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6634.018931][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6634.018931][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6634.018931][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6634.018931][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6634.018931][ T10] addrconf_dad_begin+0x310/0x670 [ 6634.018931][ T10] addrconf_dad_work+0x10b/0xab0 [ 6634.018931][ T10] process_one_work+0x84d/0x18a0 [ 6634.018931][ T10] worker_thread+0x587/0xd30 [ 6634.018931][ T10] kthread+0x28a/0x350 [ 6634.018931][ T10] ret_from_fork+0x31/0x70 [ 6634.018931][ T10] ret_from_fork_asm+0x1a/0x30 [ 6634.018931][ T10] [ 6634.021078][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6634.021078][ T10] netdev_get_by_index+0x5e/0x80 [ 6634.021078][ T10] fib6_nh_init+0x3d8/0x1580 [ 6634.021078][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6634.021078][ T10] ip6_route_add+0x1c/0x140 [ 6634.021078][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6634.021078][ T10] inet6_addr_add+0x4f8/0xa40 [ 6634.021078][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6634.021078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6634.021078][ T10] netlink_rcv_skb+0x130/0x360 [ 6634.021078][ T10] netlink_unicast+0x449/0x710 [ 6634.021078][ T10] netlink_sendmsg+0x723/0xbe0 [ 6634.021078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6634.021078][ T10] ___sys_sendmsg+0xee/0x170 [ 6634.021078][ T10] __sys_sendmsg+0xcd/0x170 [ 6634.021078][ T10] do_syscall_64+0xc6/0x1e0 [ 6634.021078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6634.021078][ T10] [ 6634.023516][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6634.023516][ T10] netdev_get_by_index+0x5e/0x80 [ 6634.023516][ T10] fib6_nh_init+0x3d8/0x1580 [ 6634.023516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6634.023516][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6634.023516][ T10] ipv6_add_addr+0x411/0x2000 [ 6634.023516][ T10] inet6_addr_add+0x30e/0xa40 [ 6634.023516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6634.023516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6634.023516][ T10] netlink_rcv_skb+0x130/0x360 [ 6634.023516][ T10] netlink_unicast+0x449/0x710 [ 6634.023516][ T10] netlink_sendmsg+0x723/0xbe0 [ 6634.023516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6634.023516][ T10] ___sys_sendmsg+0xee/0x170 [ 6634.023516][ T10] __sys_sendmsg+0xcd/0x170 [ 6634.023516][ T10] do_syscall_64+0xc6/0x1e0 [ 6634.023516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6634.023516][ T10] [ 6634.026050][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6634.026050][ T10] netdev_get_by_index+0x5e/0x80 [ 6634.026050][ T10] fib6_nh_init+0x3d8/0x1580 [ 6634.026050][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6634.026050][ T10] ip6_route_add+0x1c/0x140 [ 6634.026050][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6634.026050][ T10] addrconf_add_dev+0xe2/0x170 [ 6634.026050][ T10] inet6_addr_add+0x12f/0xa40 [ 6634.026050][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6634.026050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6634.026050][ T10] netlink_rcv_skb+0x130/0x360 [ 6634.026050][ T10] netlink_unicast+0x449/0x710 [ 6634.026050][ T10] netlink_sendmsg+0x723/0xbe0 [ 6634.026050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6634.026050][ T10] ___sys_sendmsg+0xee/0x170 [ 6634.026050][ T10] __sys_sendmsg+0xcd/0x170 [ 6634.026050][ T10] do_syscall_64+0xc6/0x1e0 [ 6634.026050][ T10] [ 6634.028419][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6634.028419][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6634.028419][ T10] ipv6_find_idev+0x102/0x170 [ 6634.028419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6634.028419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6634.028419][ T10] netlink_rcv_skb+0x130/0x360 [ 6634.028419][ T10] netlink_unicast+0x449/0x710 [ 6634.028419][ T10] netlink_sendmsg+0x723/0xbe0 [ 6634.028419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6634.028419][ T10] ___sys_sendmsg+0xee/0x170 [ 6634.028419][ T10] __sys_sendmsg+0xcd/0x170 [ 6634.028419][ T10] do_syscall_64+0xc6/0x1e0 [ 6634.028419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6634.028419][ T10] [ 6634.030307][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6634.030307][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6634.030307][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6634.030307][ T10] ipv6_find_idev+0x102/0x170 [ 6634.030307][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6634.030307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6634.030307][ T10] netlink_rcv_skb+0x130/0x360 [ 6634.030307][ T10] netlink_unicast+0x449/0x710 [ 6634.030307][ T10] netlink_sendmsg+0x723/0xbe0 [ 6634.030307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6634.030307][ T10] ___sys_sendmsg+0xee/0x170 [ 6634.030307][ T10] __sys_sendmsg+0xcd/0x170 [ 6634.030307][ T10] do_syscall_64+0xc6/0x1e0 [ 6634.030307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6634.030307][ T10] [ 6634.032408][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6634.032673][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6634.032673][ T10] netdev_get_by_index+0x5e/0x80 [ 6634.032673][ T10] fib6_nh_init+0x3d8/0x1580 [ 6634.032673][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6634.032673][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6634.032673][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6634.032673][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6634.032673][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6634.032673][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6634.032673][ T10] addrconf_dad_begin+0x310/0x670 [ 6634.032673][ T10] addrconf_dad_work+0x10b/0xab0 [ 6634.032673][ T10] process_one_work+0x84d/0x18a0 [ 6634.032673][ T10] worker_thread+0x587/0xd30 [ 6634.032673][ T10] kthread+0x28a/0x350 [ 6634.032673][ T10] ret_from_fork+0x31/0x70 [ 6634.032673][ T10] ret_from_fork_asm+0x1a/0x30 [ 6634.032673][ T10] [ 6634.035094][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6634.035094][ T10] netdev_get_by_index+0x5e/0x80 [ 6634.035094][ T10] fib6_nh_init+0x3d8/0x1580 [ 6634.035094][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6634.035094][ T10] ip6_route_add+0x1c/0x140 [ 6634.035094][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6634.035094][ T10] inet6_addr_add+0x4f8/0xa40 [ 6634.035094][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6634.035094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6634.035094][ T10] netlink_rcv_skb+0x130/0x360 [ 6634.035094][ T10] netlink_unicast+0x449/0x710 [ 6634.035094][ T10] netlink_sendmsg+0x723/0xbe0 [ 6634.035094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6634.035094][ T10] ___sys_sendmsg+0xee/0x170 [ 6634.035094][ T10] __sys_sendmsg+0xcd/0x170 [ 6634.035094][ T10] do_syscall_64+0xc6/0x1e0 [ 6634.035094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6634.035094][ T10] [ 6634.037492][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6634.037492][ T10] netdev_get_by_index+0x5e/0x80 [ 6634.037492][ T10] fib6_nh_init+0x3d8/0x1580 [ 6634.037492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6634.037492][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6634.037492][ T10] ipv6_add_addr+0x411/0x2000 [ 6634.037492][ T10] inet6_addr_add+0x30e/0xa40 [ 6634.037492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6634.037492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6634.037492][ T10] netlink_rcv_skb+0x130/0x360 [ 6634.037492][ T10] netlink_unicast+0x449/0x710 [ 6634.037492][ T10] netlink_sendmsg+0x723/0xbe0 [ 6634.037492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6634.037492][ T10] ___sys_sendmsg+0xee/0x170 [ 6634.037492][ T10] __sys_sendmsg+0xcd/0x170 [ 6634.037492][ T10] do_syscall_64+0xc6/0x1e0 [ 6634.037492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6634.037492][ T10] [ 6634.039958][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6634.039958][ T10] netdev_get_by_index+0x5e/0x80 [ 6634.039958][ T10] fib6_nh_init+0x3d8/0x1580 [ 6634.039958][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6634.039958][ T10] ip6_route_add+0x1c/0x140 [ 6634.039958][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6634.039958][ T10] addrconf_add_dev+0xe2/0x170 [ 6634.039958][ T10] inet6_addr_add+0x12f/0xa40 [ 6634.039958][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6634.039958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6634.039958][ T10] netlink_rcv_skb+0x130/0x360 [ 6634.039958][ T10] netlink_unicast+0x449/0x710 [ 6634.039958][ T10] netlink_sendmsg+0x723/0xbe0 [ 6634.039958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6634.039958][ T10] ___sys_sendmsg+0xee/0x170 [ 6634.039958][ T10] __sys_sendmsg+0xcd/0x170 [ 6634.039958][ T10] do_syscall_64+0xc6/0x1e0 [ 6634.039958][ T10] [ 6634.042361][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6634.042361][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6634.042361][ T10] ipv6_find_idev+0x102/0x170 [ 6634.042361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6634.042361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6634.042361][ T10] netlink_rcv_skb+0x130/0x360 [ 6634.042361][ T10] netlink_unicast+0x449/0x710 [ 6634.042361][ T10] netlink_sendmsg+0x723/0xbe0 [ 6634.042361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6634.042361][ T10] ___sys_sendmsg+0xee/0x170 [ 6634.042361][ T10] __sys_sendmsg+0xcd/0x170 [ 6634.042361][ T10] do_syscall_64+0xc6/0x1e0 [ 6634.042361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6634.042361][ T10] [ 6634.044246][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6634.044246][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6634.044246][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6634.044246][ T10] ipv6_find_idev+0x102/0x170 [ 6634.044246][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6634.044246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6634.044246][ T10] netlink_rcv_skb+0x130/0x360 [ 6634.044246][ T10] netlink_unicast+0x449/0x710 [ 6634.044246][ T10] netlink_sendmsg+0x723/0xbe0 [ 6634.044246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6634.044246][ T10] ___sys_sendmsg+0xee/0x170 [ 6634.044246][ T10] __sys_sendmsg+0xcd/0x170 [ 6634.044246][ T10] do_syscall_64+0xc6/0x1e0 [ 6634.044246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6634.044246][ T10] [ 6641.073099][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6641.073632][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6641.073632][ T1167] dst_init+0x84/0x4a0 [ 6641.073632][ T1167] dst_alloc+0x97/0x150 [ 6641.073632][ T1167] ip6_dst_alloc+0x23/0x90 [ 6641.073632][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6641.073632][ T1167] ip6_pol_route+0x56f/0x840 [ 6641.073632][ T1167] fib6_rule_lookup+0x334/0x630 [ 6641.073632][ T1167] ip6_route_output_flags+0x259/0x480 [ 6641.073632][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6641.073632][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6641.073632][ T1167] netlink_rcv_skb+0x130/0x360 [ 6641.073632][ T1167] netlink_unicast+0x449/0x710 [ 6641.073632][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6641.073632][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6641.073632][ T1167] ___sys_sendmsg+0xee/0x170 [ 6641.073632][ T1167] __sys_sendmsg+0xcd/0x170 [ 6641.073632][ T1167] do_syscall_64+0xc6/0x1e0 [ 6641.073632][ T1167] [ 6641.076048][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6641.076048][ T1167] netdev_get_by_index+0x5e/0x80 [ 6641.076048][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6641.076048][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6641.076048][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6641.076048][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6641.076048][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6641.076048][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6641.076048][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6641.076048][ T1167] addrconf_dad_begin+0x310/0x670 [ 6641.076048][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6641.076048][ T1167] process_one_work+0x84d/0x18a0 [ 6641.076048][ T1167] worker_thread+0x587/0xd30 [ 6641.076048][ T1167] kthread+0x28a/0x350 [ 6641.076048][ T1167] ret_from_fork+0x31/0x70 [ 6641.076048][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6641.076048][ T1167] [ 6641.078484][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6641.078484][ T1167] netdev_get_by_index+0x5e/0x80 [ 6641.078484][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6641.078484][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6641.078484][ T1167] ip6_route_add+0x1c/0x140 [ 6641.078484][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6641.078484][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6641.078484][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6641.078484][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6641.078484][ T1167] netlink_rcv_skb+0x130/0x360 [ 6641.078484][ T1167] netlink_unicast+0x449/0x710 [ 6641.078484][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6641.078484][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6641.078484][ T1167] ___sys_sendmsg+0xee/0x170 [ 6641.078484][ T1167] __sys_sendmsg+0xcd/0x170 [ 6641.078484][ T1167] do_syscall_64+0xc6/0x1e0 [ 6641.078484][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6641.078484][ T1167] [ 6641.080955][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6641.080955][ T1167] netdev_get_by_index+0x5e/0x80 [ 6641.080955][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6641.080955][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6641.080955][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6641.080955][ T1167] ipv6_add_addr+0x411/0x2000 [ 6641.080955][ T1167] inet6_addr_add+0x30e/0xa40 [ 6641.080955][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6641.080955][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6641.080955][ T1167] netlink_rcv_skb+0x130/0x360 [ 6641.080955][ T1167] netlink_unicast+0x449/0x710 [ 6641.080955][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6641.080955][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6641.080955][ T1167] ___sys_sendmsg+0xee/0x170 [ 6641.080955][ T1167] __sys_sendmsg+0xcd/0x170 [ 6641.080955][ T1167] do_syscall_64+0xc6/0x1e0 [ 6641.080955][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6641.080955][ T1167] [ 6641.083397][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6641.083397][ T1167] netdev_get_by_index+0x5e/0x80 [ 6641.083397][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6641.083397][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6641.083397][ T1167] ip6_route_add+0x1c/0x140 [ 6641.083397][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6641.083397][ T1167] addrconf_add_dev+0xe2/0x170 [ 6641.083397][ T1167] inet6_addr_add+0x12f/0xa40 [ 6641.083397][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6641.083397][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6641.083397][ T1167] netlink_rcv_skb+0x130/0x360 [ 6641.083397][ T1167] netlink_unicast+0x449/0x710 [ 6641.083397][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6641.083397][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6641.083397][ T1167] ___sys_sendmsg+0xee/0x170 [ 6641.083397][ T1167] __sys_sendmsg+0xcd/0x170 [ 6641.083397][ T1167] do_syscall_64+0xc6/0x1e0 [ 6641.083397][ T1167] [ 6641.085827][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6641.085827][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6641.085827][ T1167] ipv6_find_idev+0x102/0x170 [ 6641.085827][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6641.085827][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6641.085827][ T1167] netlink_rcv_skb+0x130/0x360 [ 6641.085827][ T1167] netlink_unicast+0x449/0x710 [ 6641.085827][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6641.085827][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6641.085827][ T1167] ___sys_sendmsg+0xee/0x170 [ 6641.085827][ T1167] __sys_sendmsg+0xcd/0x170 [ 6641.085827][ T1167] do_syscall_64+0xc6/0x1e0 [ 6641.085827][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6641.085827][ T1167] [ 6641.087722][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6641.087722][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6641.087722][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6641.087722][ T1167] ipv6_find_idev+0x102/0x170 [ 6641.087722][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6641.087722][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6641.087722][ T1167] netlink_rcv_skb+0x130/0x360 [ 6641.087722][ T1167] netlink_unicast+0x449/0x710 [ 6641.087722][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6641.087722][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6641.087722][ T1167] ___sys_sendmsg+0xee/0x170 [ 6641.087722][ T1167] __sys_sendmsg+0xcd/0x170 [ 6641.087722][ T1167] do_syscall_64+0xc6/0x1e0 [ 6641.087722][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6641.087722][ T1167] [ 6644.289137][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6644.289554][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6644.289554][ T10] netdev_get_by_index+0x5e/0x80 [ 6644.289554][ T10] fib6_nh_init+0x3d8/0x1580 [ 6644.289554][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6644.289554][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6644.289554][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6644.289554][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6644.289554][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6644.289554][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6644.289554][ T10] addrconf_dad_begin+0x310/0x670 [ 6644.289554][ T10] addrconf_dad_work+0x10b/0xab0 [ 6644.289554][ T10] process_one_work+0x84d/0x18a0 [ 6644.289554][ T10] worker_thread+0x587/0xd30 [ 6644.289554][ T10] kthread+0x28a/0x350 [ 6644.289554][ T10] ret_from_fork+0x31/0x70 [ 6644.289554][ T10] ret_from_fork_asm+0x1a/0x30 [ 6644.289554][ T10] [ 6644.291696][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6644.291696][ T10] netdev_get_by_index+0x5e/0x80 [ 6644.291696][ T10] fib6_nh_init+0x3d8/0x1580 [ 6644.291696][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6644.291696][ T10] ip6_route_add+0x1c/0x140 [ 6644.291696][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6644.291696][ T10] inet6_addr_add+0x4f8/0xa40 [ 6644.291696][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6644.291696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6644.291696][ T10] netlink_rcv_skb+0x130/0x360 [ 6644.291696][ T10] netlink_unicast+0x449/0x710 [ 6644.291696][ T10] netlink_sendmsg+0x723/0xbe0 [ 6644.291696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6644.291696][ T10] ___sys_sendmsg+0xee/0x170 [ 6644.291696][ T10] __sys_sendmsg+0xcd/0x170 [ 6644.291696][ T10] do_syscall_64+0xc6/0x1e0 [ 6644.291696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6644.291696][ T10] [ 6644.293919][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6644.293919][ T10] netdev_get_by_index+0x5e/0x80 [ 6644.293919][ T10] fib6_nh_init+0x3d8/0x1580 [ 6644.293919][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6644.293919][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6644.293919][ T10] ipv6_add_addr+0x411/0x2000 [ 6644.293919][ T10] inet6_addr_add+0x30e/0xa40 [ 6644.293919][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6644.293919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6644.293919][ T10] netlink_rcv_skb+0x130/0x360 [ 6644.293919][ T10] netlink_unicast+0x449/0x710 [ 6644.293919][ T10] netlink_sendmsg+0x723/0xbe0 [ 6644.293919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6644.293919][ T10] ___sys_sendmsg+0xee/0x170 [ 6644.293919][ T10] __sys_sendmsg+0xcd/0x170 [ 6644.293919][ T10] do_syscall_64+0xc6/0x1e0 [ 6644.293919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6644.293919][ T10] [ 6644.296143][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6644.296143][ T10] netdev_get_by_index+0x5e/0x80 [ 6644.296143][ T10] fib6_nh_init+0x3d8/0x1580 [ 6644.296143][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6644.296143][ T10] ip6_route_add+0x1c/0x140 [ 6644.296143][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6644.296143][ T10] addrconf_add_dev+0xe2/0x170 [ 6644.296143][ T10] inet6_addr_add+0x12f/0xa40 [ 6644.296143][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6644.296143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6644.296143][ T10] netlink_rcv_skb+0x130/0x360 [ 6644.296143][ T10] netlink_unicast+0x449/0x710 [ 6644.296143][ T10] netlink_sendmsg+0x723/0xbe0 [ 6644.296143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6644.296143][ T10] ___sys_sendmsg+0xee/0x170 [ 6644.296143][ T10] __sys_sendmsg+0xcd/0x170 [ 6644.296143][ T10] do_syscall_64+0xc6/0x1e0 [ 6644.296143][ T10] [ 6644.298325][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6644.298325][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6644.298325][ T10] ipv6_find_idev+0x102/0x170 [ 6644.298325][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6644.298325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6644.298325][ T10] netlink_rcv_skb+0x130/0x360 [ 6644.298325][ T10] netlink_unicast+0x449/0x710 [ 6644.298325][ T10] netlink_sendmsg+0x723/0xbe0 [ 6644.298325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6644.298325][ T10] ___sys_sendmsg+0xee/0x170 [ 6644.298325][ T10] __sys_sendmsg+0xcd/0x170 [ 6644.298325][ T10] do_syscall_64+0xc6/0x1e0 [ 6644.298325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6644.298325][ T10] [ 6644.300028][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6644.300028][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6644.300028][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6644.300028][ T10] ipv6_find_idev+0x102/0x170 [ 6644.300028][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6644.300028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6644.300028][ T10] netlink_rcv_skb+0x130/0x360 [ 6644.300028][ T10] netlink_unicast+0x449/0x710 [ 6644.300028][ T10] netlink_sendmsg+0x723/0xbe0 [ 6644.300028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6644.300028][ T10] ___sys_sendmsg+0xee/0x170 [ 6644.300028][ T10] __sys_sendmsg+0xcd/0x170 [ 6644.300028][ T10] do_syscall_64+0xc6/0x1e0 [ 6644.300028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6644.300028][ T10] [ 6644.301890][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6644.302165][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6644.302165][ T10] netdev_get_by_index+0x5e/0x80 [ 6644.302165][ T10] fib6_nh_init+0x3d8/0x1580 [ 6644.302165][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6644.302165][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6644.302165][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6644.302165][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6644.302165][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6644.302165][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6644.302165][ T10] addrconf_dad_begin+0x310/0x670 [ 6644.302165][ T10] addrconf_dad_work+0x10b/0xab0 [ 6644.302165][ T10] process_one_work+0x84d/0x18a0 [ 6644.302165][ T10] worker_thread+0x587/0xd30 [ 6644.302165][ T10] kthread+0x28a/0x350 [ 6644.302165][ T10] ret_from_fork+0x31/0x70 [ 6644.302165][ T10] ret_from_fork_asm+0x1a/0x30 [ 6644.302165][ T10] [ 6644.304283][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6644.304283][ T10] netdev_get_by_index+0x5e/0x80 [ 6644.304283][ T10] fib6_nh_init+0x3d8/0x1580 [ 6644.304283][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6644.304283][ T10] ip6_route_add+0x1c/0x140 [ 6644.304283][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6644.304283][ T10] inet6_addr_add+0x4f8/0xa40 [ 6644.304283][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6644.304283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6644.304283][ T10] netlink_rcv_skb+0x130/0x360 [ 6644.304283][ T10] netlink_unicast+0x449/0x710 [ 6644.304283][ T10] netlink_sendmsg+0x723/0xbe0 [ 6644.304283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6644.304283][ T10] ___sys_sendmsg+0xee/0x170 [ 6644.304283][ T10] __sys_sendmsg+0xcd/0x170 [ 6644.304283][ T10] do_syscall_64+0xc6/0x1e0 [ 6644.304283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6644.304283][ T10] [ 6644.306497][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6644.306497][ T10] netdev_get_by_index+0x5e/0x80 [ 6644.306497][ T10] fib6_nh_init+0x3d8/0x1580 [ 6644.306497][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6644.306497][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6644.306497][ T10] ipv6_add_addr+0x411/0x2000 [ 6644.306497][ T10] inet6_addr_add+0x30e/0xa40 [ 6644.306497][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6644.306497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6644.306497][ T10] netlink_rcv_skb+0x130/0x360 [ 6644.306497][ T10] netlink_unicast+0x449/0x710 [ 6644.306497][ T10] netlink_sendmsg+0x723/0xbe0 [ 6644.306497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6644.306497][ T10] ___sys_sendmsg+0xee/0x170 [ 6644.306497][ T10] __sys_sendmsg+0xcd/0x170 [ 6644.306497][ T10] do_syscall_64+0xc6/0x1e0 [ 6644.306497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6644.306497][ T10] [ 6644.308730][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6644.308730][ T10] netdev_get_by_index+0x5e/0x80 [ 6644.308730][ T10] fib6_nh_init+0x3d8/0x1580 [ 6644.308730][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6644.308730][ T10] ip6_route_add+0x1c/0x140 [ 6644.308730][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6644.308730][ T10] addrconf_add_dev+0xe2/0x170 [ 6644.308730][ T10] inet6_addr_add+0x12f/0xa40 [ 6644.308730][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6644.308730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6644.308730][ T10] netlink_rcv_skb+0x130/0x360 [ 6644.308730][ T10] netlink_unicast+0x449/0x710 [ 6644.308730][ T10] netlink_sendmsg+0x723/0xbe0 [ 6644.308730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6644.308730][ T10] ___sys_sendmsg+0xee/0x170 [ 6644.308730][ T10] __sys_sendmsg+0xcd/0x170 [ 6644.308730][ T10] do_syscall_64+0xc6/0x1e0 [ 6644.308730][ T10] [ 6644.310902][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6644.310902][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6644.310902][ T10] ipv6_find_idev+0x102/0x170 [ 6644.310902][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6644.310902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6644.310902][ T10] netlink_rcv_skb+0x130/0x360 [ 6644.310902][ T10] netlink_unicast+0x449/0x710 [ 6644.310902][ T10] netlink_sendmsg+0x723/0xbe0 [ 6644.310902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6644.310902][ T10] ___sys_sendmsg+0xee/0x170 [ 6644.310902][ T10] __sys_sendmsg+0xcd/0x170 [ 6644.310902][ T10] do_syscall_64+0xc6/0x1e0 [ 6644.310902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6644.310902][ T10] [ 6644.312614][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6644.312614][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6644.312614][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6644.312614][ T10] ipv6_find_idev+0x102/0x170 [ 6644.312614][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6644.312614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6644.312614][ T10] netlink_rcv_skb+0x130/0x360 [ 6644.312614][ T10] netlink_unicast+0x449/0x710 [ 6644.312614][ T10] netlink_sendmsg+0x723/0xbe0 [ 6644.312614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6644.312614][ T10] ___sys_sendmsg+0xee/0x170 [ 6644.312614][ T10] __sys_sendmsg+0xcd/0x170 [ 6644.312614][ T10] do_syscall_64+0xc6/0x1e0 [ 6644.312614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6644.312614][ T10] [ 6644.314484][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6644.314769][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6644.314769][ T10] netdev_get_by_index+0x5e/0x80 [ 6644.314769][ T10] fib6_nh_init+0x3d8/0x1580 [ 6644.314769][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6644.314769][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6644.314769][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6644.314769][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6644.314769][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6644.314769][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6644.314769][ T10] addrconf_dad_begin+0x310/0x670 [ 6644.314769][ T10] addrconf_dad_work+0x10b/0xab0 [ 6644.314769][ T10] process_one_work+0x84d/0x18a0 [ 6644.314769][ T10] worker_thread+0x587/0xd30 [ 6644.314769][ T10] kthread+0x28a/0x350 [ 6644.314769][ T10] ret_from_fork+0x31/0x70 [ 6644.314769][ T10] ret_from_fork_asm+0x1a/0x30 [ 6644.314769][ T10] [ 6644.316907][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6644.316907][ T10] netdev_get_by_index+0x5e/0x80 [ 6644.316907][ T10] fib6_nh_init+0x3d8/0x1580 [ 6644.316907][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6644.316907][ T10] ip6_route_add+0x1c/0x140 [ 6644.316907][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6644.316907][ T10] inet6_addr_add+0x4f8/0xa40 [ 6644.316907][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6644.316907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6644.316907][ T10] netlink_rcv_skb+0x130/0x360 [ 6644.316907][ T10] netlink_unicast+0x449/0x710 [ 6644.316907][ T10] netlink_sendmsg+0x723/0xbe0 [ 6644.316907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6644.316907][ T10] ___sys_sendmsg+0xee/0x170 [ 6644.316907][ T10] __sys_sendmsg+0xcd/0x170 [ 6644.316907][ T10] do_syscall_64+0xc6/0x1e0 [ 6644.316907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6644.316907][ T10] [ 6644.319318][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6644.319318][ T10] netdev_get_by_index+0x5e/0x80 [ 6644.319318][ T10] fib6_nh_init+0x3d8/0x1580 [ 6644.319318][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6644.319318][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6644.319318][ T10] ipv6_add_addr+0x411/0x2000 [ 6644.319318][ T10] inet6_addr_add+0x30e/0xa40 [ 6644.319318][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6644.319318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6644.319318][ T10] netlink_rcv_skb+0x130/0x360 [ 6644.319318][ T10] netlink_unicast+0x449/0x710 [ 6644.319318][ T10] netlink_sendmsg+0x723/0xbe0 [ 6644.319318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6644.319318][ T10] ___sys_sendmsg+0xee/0x170 [ 6644.319318][ T10] __sys_sendmsg+0xcd/0x170 [ 6644.319318][ T10] do_syscall_64+0xc6/0x1e0 [ 6644.319318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6644.319318][ T10] [ 6644.321851][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6644.321851][ T10] netdev_get_by_index+0x5e/0x80 [ 6644.321851][ T10] fib6_nh_init+0x3d8/0x1580 [ 6644.321851][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6644.321851][ T10] ip6_route_add+0x1c/0x140 [ 6644.321851][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6644.321851][ T10] addrconf_add_dev+0xe2/0x170 [ 6644.321851][ T10] inet6_addr_add+0x12f/0xa40 [ 6644.321851][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6644.321851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6644.321851][ T10] netlink_rcv_skb+0x130/0x360 [ 6644.321851][ T10] netlink_unicast+0x449/0x710 [ 6644.321851][ T10] netlink_sendmsg+0x723/0xbe0 [ 6644.321851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6644.321851][ T10] ___sys_sendmsg+0xee/0x170 [ 6644.321851][ T10] __sys_sendmsg+0xcd/0x170 [ 6644.321851][ T10] do_syscall_64+0xc6/0x1e0 [ 6644.321851][ T10] [ 6644.324222][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6644.324222][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6644.324222][ T10] ipv6_find_idev+0x102/0x170 [ 6644.324222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6644.324222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6644.324222][ T10] netlink_rcv_skb+0x130/0x360 [ 6644.324222][ T10] netlink_unicast+0x449/0x710 [ 6644.324222][ T10] netlink_sendmsg+0x723/0xbe0 [ 6644.324222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6644.324222][ T10] ___sys_sendmsg+0xee/0x170 [ 6644.324222][ T10] __sys_sendmsg+0xcd/0x170 [ 6644.324222][ T10] do_syscall_64+0xc6/0x1e0 [ 6644.324222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6644.324222][ T10] [ 6644.326126][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6644.326126][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6644.326126][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6644.326126][ T10] ipv6_find_idev+0x102/0x170 [ 6644.326126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6644.326126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6644.326126][ T10] netlink_rcv_skb+0x130/0x360 [ 6644.326126][ T10] netlink_unicast+0x449/0x710 [ 6644.326126][ T10] netlink_sendmsg+0x723/0xbe0 [ 6644.326126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6644.326126][ T10] ___sys_sendmsg+0xee/0x170 [ 6644.326126][ T10] __sys_sendmsg+0xcd/0x170 [ 6644.326126][ T10] do_syscall_64+0xc6/0x1e0 [ 6644.326126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6644.326126][ T10] [ 6644.328248][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6644.328509][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6644.328509][ T10] netdev_get_by_index+0x5e/0x80 [ 6644.328509][ T10] fib6_nh_init+0x3d8/0x1580 [ 6644.328509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6644.328509][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6644.328509][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6644.328509][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6644.328509][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6644.328509][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6644.328509][ T10] addrconf_dad_begin+0x310/0x670 [ 6644.328509][ T10] addrconf_dad_work+0x10b/0xab0 [ 6644.328509][ T10] process_one_work+0x84d/0x18a0 [ 6644.328509][ T10] worker_thread+0x587/0xd30 [ 6644.328509][ T10] kthread+0x28a/0x350 [ 6644.328509][ T10] ret_from_fork+0x31/0x70 [ 6644.328509][ T10] ret_from_fork_asm+0x1a/0x30 [ 6644.328509][ T10] [ 6644.331047][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6644.331047][ T10] netdev_get_by_index+0x5e/0x80 [ 6644.331047][ T10] fib6_nh_init+0x3d8/0x1580 [ 6644.331047][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6644.331047][ T10] ip6_route_add+0x1c/0x140 [ 6644.331047][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6644.331047][ T10] inet6_addr_add+0x4f8/0xa40 [ 6644.331047][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6644.331047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6644.331047][ T10] netlink_rcv_skb+0x130/0x360 [ 6644.331047][ T10] netlink_unicast+0x449/0x710 [ 6644.331047][ T10] netlink_sendmsg+0x723/0xbe0 [ 6644.331047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6644.331047][ T10] ___sys_sendmsg+0xee/0x170 [ 6644.331047][ T10] __sys_sendmsg+0xcd/0x170 [ 6644.331047][ T10] do_syscall_64+0xc6/0x1e0 [ 6644.331047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6644.331047][ T10] [ 6644.333435][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6644.333435][ T10] netdev_get_by_index+0x5e/0x80 [ 6644.333435][ T10] fib6_nh_init+0x3d8/0x1580 [ 6644.333435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6644.333435][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6644.333435][ T10] ipv6_add_addr+0x411/0x2000 [ 6644.333435][ T10] inet6_addr_add+0x30e/0xa40 [ 6644.333435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6644.333435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6644.333435][ T10] netlink_rcv_skb+0x130/0x360 [ 6644.333435][ T10] netlink_unicast+0x449/0x710 [ 6644.333435][ T10] netlink_sendmsg+0x723/0xbe0 [ 6644.333435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6644.333435][ T10] ___sys_sendmsg+0xee/0x170 [ 6644.333435][ T10] __sys_sendmsg+0xcd/0x170 [ 6644.333435][ T10] do_syscall_64+0xc6/0x1e0 [ 6644.333435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6644.333435][ T10] [ 6644.335912][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6644.335912][ T10] netdev_get_by_index+0x5e/0x80 [ 6644.335912][ T10] fib6_nh_init+0x3d8/0x1580 [ 6644.335912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6644.335912][ T10] ip6_route_add+0x1c/0x140 [ 6644.335912][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6644.335912][ T10] addrconf_add_dev+0xe2/0x170 [ 6644.335912][ T10] inet6_addr_add+0x12f/0xa40 [ 6644.335912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6644.335912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6644.335912][ T10] netlink_rcv_skb+0x130/0x360 [ 6644.335912][ T10] netlink_unicast+0x449/0x710 [ 6644.335912][ T10] netlink_sendmsg+0x723/0xbe0 [ 6644.335912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6644.335912][ T10] ___sys_sendmsg+0xee/0x170 [ 6644.335912][ T10] __sys_sendmsg+0xcd/0x170 [ 6644.335912][ T10] do_syscall_64+0xc6/0x1e0 [ 6644.335912][ T10] [ 6644.338336][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6644.338336][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6644.338336][ T10] ipv6_find_idev+0x102/0x170 [ 6644.338336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6644.338336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6644.338336][ T10] netlink_rcv_skb+0x130/0x360 [ 6644.338336][ T10] netlink_unicast+0x449/0x710 [ 6644.338336][ T10] netlink_sendmsg+0x723/0xbe0 [ 6644.338336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6644.338336][ T10] ___sys_sendmsg+0xee/0x170 [ 6644.338336][ T10] __sys_sendmsg+0xcd/0x170 [ 6644.338336][ T10] do_syscall_64+0xc6/0x1e0 [ 6644.338336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6644.338336][ T10] [ 6644.340233][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6644.340233][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6644.340233][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6644.340233][ T10] ipv6_find_idev+0x102/0x170 [ 6644.340233][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6644.340233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6644.340233][ T10] netlink_rcv_skb+0x130/0x360 [ 6644.340233][ T10] netlink_unicast+0x449/0x710 [ 6644.340233][ T10] netlink_sendmsg+0x723/0xbe0 [ 6644.340233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6644.340233][ T10] ___sys_sendmsg+0xee/0x170 [ 6644.340233][ T10] __sys_sendmsg+0xcd/0x170 [ 6644.340233][ T10] do_syscall_64+0xc6/0x1e0 [ 6644.340233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6644.340233][ T10] [ 6651.329041][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6651.329533][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6651.329533][ T1167] dst_init+0x84/0x4a0 [ 6651.329533][ T1167] dst_alloc+0x97/0x150 [ 6651.329533][ T1167] ip6_dst_alloc+0x23/0x90 [ 6651.329533][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6651.329533][ T1167] ip6_pol_route+0x56f/0x840 [ 6651.329533][ T1167] fib6_rule_lookup+0x334/0x630 [ 6651.329533][ T1167] ip6_route_output_flags+0x259/0x480 [ 6651.329533][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6651.329533][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6651.329533][ T1167] netlink_rcv_skb+0x130/0x360 [ 6651.329533][ T1167] netlink_unicast+0x449/0x710 [ 6651.329533][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6651.329533][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6651.329533][ T1167] ___sys_sendmsg+0xee/0x170 [ 6651.329533][ T1167] __sys_sendmsg+0xcd/0x170 [ 6651.329533][ T1167] do_syscall_64+0xc6/0x1e0 [ 6651.329533][ T1167] [ 6651.331943][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6651.331943][ T1167] netdev_get_by_index+0x5e/0x80 [ 6651.331943][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6651.331943][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6651.331943][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6651.331943][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6651.331943][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6651.331943][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6651.331943][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6651.331943][ T1167] addrconf_dad_begin+0x310/0x670 [ 6651.331943][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6651.331943][ T1167] process_one_work+0x84d/0x18a0 [ 6651.331943][ T1167] worker_thread+0x587/0xd30 [ 6651.331943][ T1167] kthread+0x28a/0x350 [ 6651.331943][ T1167] ret_from_fork+0x31/0x70 [ 6651.331943][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6651.331943][ T1167] [ 6651.334312][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6651.334312][ T1167] netdev_get_by_index+0x5e/0x80 [ 6651.334312][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6651.334312][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6651.334312][ T1167] ip6_route_add+0x1c/0x140 [ 6651.334312][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6651.334312][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6651.334312][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6651.334312][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6651.334312][ T1167] netlink_rcv_skb+0x130/0x360 [ 6651.334312][ T1167] netlink_unicast+0x449/0x710 [ 6651.334312][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6651.334312][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6651.334312][ T1167] ___sys_sendmsg+0xee/0x170 [ 6651.334312][ T1167] __sys_sendmsg+0xcd/0x170 [ 6651.334312][ T1167] do_syscall_64+0xc6/0x1e0 [ 6651.334312][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6651.334312][ T1167] [ 6651.336795][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6651.336795][ T1167] netdev_get_by_index+0x5e/0x80 [ 6651.336795][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6651.336795][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6651.336795][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6651.336795][ T1167] ipv6_add_addr+0x411/0x2000 [ 6651.336795][ T1167] inet6_addr_add+0x30e/0xa40 [ 6651.336795][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6651.336795][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6651.336795][ T1167] netlink_rcv_skb+0x130/0x360 [ 6651.336795][ T1167] netlink_unicast+0x449/0x710 [ 6651.336795][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6651.336795][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6651.336795][ T1167] ___sys_sendmsg+0xee/0x170 [ 6651.336795][ T1167] __sys_sendmsg+0xcd/0x170 [ 6651.336795][ T1167] do_syscall_64+0xc6/0x1e0 [ 6651.336795][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6651.336795][ T1167] [ 6651.339249][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6651.339249][ T1167] netdev_get_by_index+0x5e/0x80 [ 6651.339249][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6651.339249][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6651.339249][ T1167] ip6_route_add+0x1c/0x140 [ 6651.339249][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6651.339249][ T1167] addrconf_add_dev+0xe2/0x170 [ 6651.339249][ T1167] inet6_addr_add+0x12f/0xa40 [ 6651.339249][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6651.339249][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6651.339249][ T1167] netlink_rcv_skb+0x130/0x360 [ 6651.339249][ T1167] netlink_unicast+0x449/0x710 [ 6651.339249][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6651.339249][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6651.339249][ T1167] ___sys_sendmsg+0xee/0x170 [ 6651.339249][ T1167] __sys_sendmsg+0xcd/0x170 [ 6651.339249][ T1167] do_syscall_64+0xc6/0x1e0 [ 6651.339249][ T1167] [ 6651.341677][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6651.341677][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6651.341677][ T1167] ipv6_find_idev+0x102/0x170 [ 6651.341677][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6651.341677][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6651.341677][ T1167] netlink_rcv_skb+0x130/0x360 [ 6651.341677][ T1167] netlink_unicast+0x449/0x710 [ 6651.341677][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6651.341677][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6651.341677][ T1167] ___sys_sendmsg+0xee/0x170 [ 6651.341677][ T1167] __sys_sendmsg+0xcd/0x170 [ 6651.341677][ T1167] do_syscall_64+0xc6/0x1e0 [ 6651.341677][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6651.341677][ T1167] [ 6651.343573][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6651.343573][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6651.343573][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6651.343573][ T1167] ipv6_find_idev+0x102/0x170 [ 6651.343573][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6651.343573][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6651.343573][ T1167] netlink_rcv_skb+0x130/0x360 [ 6651.343573][ T1167] netlink_unicast+0x449/0x710 [ 6651.343573][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6651.343573][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6651.343573][ T1167] ___sys_sendmsg+0xee/0x170 [ 6651.343573][ T1167] __sys_sendmsg+0xcd/0x170 [ 6651.343573][ T1167] do_syscall_64+0xc6/0x1e0 [ 6651.343573][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6651.343573][ T1167] [ 6654.369108][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6654.369548][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6654.369548][ T10] netdev_get_by_index+0x5e/0x80 [ 6654.369548][ T10] fib6_nh_init+0x3d8/0x1580 [ 6654.369548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6654.369548][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6654.369548][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6654.369548][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6654.369548][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6654.369548][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6654.369548][ T10] addrconf_dad_begin+0x310/0x670 [ 6654.369548][ T10] addrconf_dad_work+0x10b/0xab0 [ 6654.369548][ T10] process_one_work+0x84d/0x18a0 [ 6654.369548][ T10] worker_thread+0x587/0xd30 [ 6654.369548][ T10] kthread+0x28a/0x350 [ 6654.369548][ T10] ret_from_fork+0x31/0x70 [ 6654.369548][ T10] ret_from_fork_asm+0x1a/0x30 [ 6654.369548][ T10] [ 6654.371700][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6654.371700][ T10] netdev_get_by_index+0x5e/0x80 [ 6654.371700][ T10] fib6_nh_init+0x3d8/0x1580 [ 6654.371700][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6654.371700][ T10] ip6_route_add+0x1c/0x140 [ 6654.371700][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6654.371700][ T10] inet6_addr_add+0x4f8/0xa40 [ 6654.371700][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6654.371700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6654.371700][ T10] netlink_rcv_skb+0x130/0x360 [ 6654.371700][ T10] netlink_unicast+0x449/0x710 [ 6654.371700][ T10] netlink_sendmsg+0x723/0xbe0 [ 6654.371700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6654.371700][ T10] ___sys_sendmsg+0xee/0x170 [ 6654.371700][ T10] __sys_sendmsg+0xcd/0x170 [ 6654.371700][ T10] do_syscall_64+0xc6/0x1e0 [ 6654.371700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6654.371700][ T10] [ 6654.373936][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6654.373936][ T10] netdev_get_by_index+0x5e/0x80 [ 6654.373936][ T10] fib6_nh_init+0x3d8/0x1580 [ 6654.373936][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6654.373936][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6654.373936][ T10] ipv6_add_addr+0x411/0x2000 [ 6654.373936][ T10] inet6_addr_add+0x30e/0xa40 [ 6654.373936][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6654.373936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6654.373936][ T10] netlink_rcv_skb+0x130/0x360 [ 6654.373936][ T10] netlink_unicast+0x449/0x710 [ 6654.373936][ T10] netlink_sendmsg+0x723/0xbe0 [ 6654.373936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6654.373936][ T10] ___sys_sendmsg+0xee/0x170 [ 6654.373936][ T10] __sys_sendmsg+0xcd/0x170 [ 6654.373936][ T10] do_syscall_64+0xc6/0x1e0 [ 6654.373936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6654.373936][ T10] [ 6654.376150][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6654.376150][ T10] netdev_get_by_index+0x5e/0x80 [ 6654.376150][ T10] fib6_nh_init+0x3d8/0x1580 [ 6654.376150][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6654.376150][ T10] ip6_route_add+0x1c/0x140 [ 6654.376150][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6654.376150][ T10] addrconf_add_dev+0xe2/0x170 [ 6654.376150][ T10] inet6_addr_add+0x12f/0xa40 [ 6654.376150][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6654.376150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6654.376150][ T10] netlink_rcv_skb+0x130/0x360 [ 6654.376150][ T10] netlink_unicast+0x449/0x710 [ 6654.376150][ T10] netlink_sendmsg+0x723/0xbe0 [ 6654.376150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6654.376150][ T10] ___sys_sendmsg+0xee/0x170 [ 6654.376150][ T10] __sys_sendmsg+0xcd/0x170 [ 6654.376150][ T10] do_syscall_64+0xc6/0x1e0 [ 6654.376150][ T10] [ 6654.378331][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6654.378331][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6654.378331][ T10] ipv6_find_idev+0x102/0x170 [ 6654.378331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6654.378331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6654.378331][ T10] netlink_rcv_skb+0x130/0x360 [ 6654.378331][ T10] netlink_unicast+0x449/0x710 [ 6654.378331][ T10] netlink_sendmsg+0x723/0xbe0 [ 6654.378331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6654.378331][ T10] ___sys_sendmsg+0xee/0x170 [ 6654.378331][ T10] __sys_sendmsg+0xcd/0x170 [ 6654.378331][ T10] do_syscall_64+0xc6/0x1e0 [ 6654.378331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6654.378331][ T10] [ 6654.380028][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6654.380028][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6654.380028][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6654.380028][ T10] ipv6_find_idev+0x102/0x170 [ 6654.380028][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6654.380028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6654.380028][ T10] netlink_rcv_skb+0x130/0x360 [ 6654.380028][ T10] netlink_unicast+0x449/0x710 [ 6654.380028][ T10] netlink_sendmsg+0x723/0xbe0 [ 6654.380028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6654.380028][ T10] ___sys_sendmsg+0xee/0x170 [ 6654.380028][ T10] __sys_sendmsg+0xcd/0x170 [ 6654.380028][ T10] do_syscall_64+0xc6/0x1e0 [ 6654.380028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6654.380028][ T10] [ 6654.381891][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6654.382163][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6654.382163][ T10] netdev_get_by_index+0x5e/0x80 [ 6654.382163][ T10] fib6_nh_init+0x3d8/0x1580 [ 6654.382163][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6654.382163][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6654.382163][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6654.382163][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6654.382163][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6654.382163][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6654.382163][ T10] addrconf_dad_begin+0x310/0x670 [ 6654.382163][ T10] addrconf_dad_work+0x10b/0xab0 [ 6654.382163][ T10] process_one_work+0x84d/0x18a0 [ 6654.382163][ T10] worker_thread+0x587/0xd30 [ 6654.382163][ T10] kthread+0x28a/0x350 [ 6654.382163][ T10] ret_from_fork+0x31/0x70 [ 6654.382163][ T10] ret_from_fork_asm+0x1a/0x30 [ 6654.382163][ T10] [ 6654.384285][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6654.384285][ T10] netdev_get_by_index+0x5e/0x80 [ 6654.384285][ T10] fib6_nh_init+0x3d8/0x1580 [ 6654.384285][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6654.384285][ T10] ip6_route_add+0x1c/0x140 [ 6654.384285][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6654.384285][ T10] inet6_addr_add+0x4f8/0xa40 [ 6654.384285][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6654.384285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6654.384285][ T10] netlink_rcv_skb+0x130/0x360 [ 6654.384285][ T10] netlink_unicast+0x449/0x710 [ 6654.384285][ T10] netlink_sendmsg+0x723/0xbe0 [ 6654.384285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6654.384285][ T10] ___sys_sendmsg+0xee/0x170 [ 6654.384285][ T10] __sys_sendmsg+0xcd/0x170 [ 6654.384285][ T10] do_syscall_64+0xc6/0x1e0 [ 6654.384285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6654.384285][ T10] [ 6654.386501][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6654.386501][ T10] netdev_get_by_index+0x5e/0x80 [ 6654.386501][ T10] fib6_nh_init+0x3d8/0x1580 [ 6654.386501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6654.386501][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6654.386501][ T10] ipv6_add_addr+0x411/0x2000 [ 6654.386501][ T10] inet6_addr_add+0x30e/0xa40 [ 6654.386501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6654.386501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6654.386501][ T10] netlink_rcv_skb+0x130/0x360 [ 6654.386501][ T10] netlink_unicast+0x449/0x710 [ 6654.386501][ T10] netlink_sendmsg+0x723/0xbe0 [ 6654.386501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6654.386501][ T10] ___sys_sendmsg+0xee/0x170 [ 6654.386501][ T10] __sys_sendmsg+0xcd/0x170 [ 6654.386501][ T10] do_syscall_64+0xc6/0x1e0 [ 6654.386501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6654.386501][ T10] [ 6654.388716][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6654.388716][ T10] netdev_get_by_index+0x5e/0x80 [ 6654.388716][ T10] fib6_nh_init+0x3d8/0x1580 [ 6654.388716][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6654.388716][ T10] ip6_route_add+0x1c/0x140 [ 6654.388716][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6654.388716][ T10] addrconf_add_dev+0xe2/0x170 [ 6654.388716][ T10] inet6_addr_add+0x12f/0xa40 [ 6654.388716][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6654.388716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6654.388716][ T10] netlink_rcv_skb+0x130/0x360 [ 6654.388716][ T10] netlink_unicast+0x449/0x710 [ 6654.388716][ T10] netlink_sendmsg+0x723/0xbe0 [ 6654.388716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6654.388716][ T10] ___sys_sendmsg+0xee/0x170 [ 6654.388716][ T10] __sys_sendmsg+0xcd/0x170 [ 6654.388716][ T10] do_syscall_64+0xc6/0x1e0 [ 6654.388716][ T10] [ 6654.390887][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6654.390887][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6654.390887][ T10] ipv6_find_idev+0x102/0x170 [ 6654.390887][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6654.390887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6654.390887][ T10] netlink_rcv_skb+0x130/0x360 [ 6654.390887][ T10] netlink_unicast+0x449/0x710 [ 6654.390887][ T10] netlink_sendmsg+0x723/0xbe0 [ 6654.390887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6654.390887][ T10] ___sys_sendmsg+0xee/0x170 [ 6654.390887][ T10] __sys_sendmsg+0xcd/0x170 [ 6654.390887][ T10] do_syscall_64+0xc6/0x1e0 [ 6654.390887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6654.390887][ T10] [ 6654.392616][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6654.392616][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6654.392616][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6654.392616][ T10] ipv6_find_idev+0x102/0x170 [ 6654.392616][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6654.392616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6654.392616][ T10] netlink_rcv_skb+0x130/0x360 [ 6654.392616][ T10] netlink_unicast+0x449/0x710 [ 6654.392616][ T10] netlink_sendmsg+0x723/0xbe0 [ 6654.392616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6654.392616][ T10] ___sys_sendmsg+0xee/0x170 [ 6654.392616][ T10] __sys_sendmsg+0xcd/0x170 [ 6654.392616][ T10] do_syscall_64+0xc6/0x1e0 [ 6654.392616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6654.392616][ T10] [ 6654.394532][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6654.394788][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6654.394788][ T10] netdev_get_by_index+0x5e/0x80 [ 6654.394788][ T10] fib6_nh_init+0x3d8/0x1580 [ 6654.394788][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6654.394788][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6654.394788][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6654.394788][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6654.394788][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6654.394788][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6654.394788][ T10] addrconf_dad_begin+0x310/0x670 [ 6654.394788][ T10] addrconf_dad_work+0x10b/0xab0 [ 6654.394788][ T10] process_one_work+0x84d/0x18a0 [ 6654.394788][ T10] worker_thread+0x587/0xd30 [ 6654.394788][ T10] kthread+0x28a/0x350 [ 6654.394788][ T10] ret_from_fork+0x31/0x70 [ 6654.394788][ T10] ret_from_fork_asm+0x1a/0x30 [ 6654.394788][ T10] [ 6654.396915][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6654.396915][ T10] netdev_get_by_index+0x5e/0x80 [ 6654.396915][ T10] fib6_nh_init+0x3d8/0x1580 [ 6654.396915][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6654.396915][ T10] ip6_route_add+0x1c/0x140 [ 6654.396915][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6654.396915][ T10] inet6_addr_add+0x4f8/0xa40 [ 6654.396915][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6654.396915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6654.396915][ T10] netlink_rcv_skb+0x130/0x360 [ 6654.396915][ T10] netlink_unicast+0x449/0x710 [ 6654.396915][ T10] netlink_sendmsg+0x723/0xbe0 [ 6654.396915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6654.396915][ T10] ___sys_sendmsg+0xee/0x170 [ 6654.396915][ T10] __sys_sendmsg+0xcd/0x170 [ 6654.396915][ T10] do_syscall_64+0xc6/0x1e0 [ 6654.396915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6654.396915][ T10] [ 6654.399233][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6654.399233][ T10] netdev_get_by_index+0x5e/0x80 [ 6654.399233][ T10] fib6_nh_init+0x3d8/0x1580 [ 6654.399233][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6654.399233][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6654.399233][ T10] ipv6_add_addr+0x411/0x2000 [ 6654.399233][ T10] inet6_addr_add+0x30e/0xa40 [ 6654.399233][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6654.399233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6654.399233][ T10] netlink_rcv_skb+0x130/0x360 [ 6654.399233][ T10] netlink_unicast+0x449/0x710 [ 6654.399233][ T10] netlink_sendmsg+0x723/0xbe0 [ 6654.399233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6654.399233][ T10] ___sys_sendmsg+0xee/0x170 [ 6654.399233][ T10] __sys_sendmsg+0xcd/0x170 [ 6654.399233][ T10] do_syscall_64+0xc6/0x1e0 [ 6654.399233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6654.399233][ T10] [ 6654.401534][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6654.401534][ T10] netdev_get_by_index+0x5e/0x80 [ 6654.401534][ T10] fib6_nh_init+0x3d8/0x1580 [ 6654.401534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6654.401534][ T10] ip6_route_add+0x1c/0x140 [ 6654.401534][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6654.401534][ T10] addrconf_add_dev+0xe2/0x170 [ 6654.401534][ T10] inet6_addr_add+0x12f/0xa40 [ 6654.401534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6654.401534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6654.401534][ T10] netlink_rcv_skb+0x130/0x360 [ 6654.401534][ T10] netlink_unicast+0x449/0x710 [ 6654.401534][ T10] netlink_sendmsg+0x723/0xbe0 [ 6654.401534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6654.401534][ T10] ___sys_sendmsg+0xee/0x170 [ 6654.401534][ T10] __sys_sendmsg+0xcd/0x170 [ 6654.401534][ T10] do_syscall_64+0xc6/0x1e0 [ 6654.401534][ T10] [ 6654.403797][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6654.403797][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6654.403797][ T10] ipv6_find_idev+0x102/0x170 [ 6654.403797][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6654.403797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6654.403797][ T10] netlink_rcv_skb+0x130/0x360 [ 6654.403797][ T10] netlink_unicast+0x449/0x710 [ 6654.403797][ T10] netlink_sendmsg+0x723/0xbe0 [ 6654.403797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6654.403797][ T10] ___sys_sendmsg+0xee/0x170 [ 6654.403797][ T10] __sys_sendmsg+0xcd/0x170 [ 6654.403797][ T10] do_syscall_64+0xc6/0x1e0 [ 6654.403797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6654.403797][ T10] [ 6654.405592][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6654.405592][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6654.405592][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6654.405592][ T10] ipv6_find_idev+0x102/0x170 [ 6654.405592][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6654.405592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6654.405592][ T10] netlink_rcv_skb+0x130/0x360 [ 6654.405592][ T10] netlink_unicast+0x449/0x710 [ 6654.405592][ T10] netlink_sendmsg+0x723/0xbe0 [ 6654.405592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6654.405592][ T10] ___sys_sendmsg+0xee/0x170 [ 6654.405592][ T10] __sys_sendmsg+0xcd/0x170 [ 6654.405592][ T10] do_syscall_64+0xc6/0x1e0 [ 6654.405592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6654.405592][ T10] [ 6654.407611][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6654.407872][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6654.407872][ T10] netdev_get_by_index+0x5e/0x80 [ 6654.407872][ T10] fib6_nh_init+0x3d8/0x1580 [ 6654.407872][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6654.407872][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6654.407872][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6654.407872][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6654.407872][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6654.407872][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6654.407872][ T10] addrconf_dad_begin+0x310/0x670 [ 6654.407872][ T10] addrconf_dad_work+0x10b/0xab0 [ 6654.407872][ T10] process_one_work+0x84d/0x18a0 [ 6654.407872][ T10] worker_thread+0x587/0xd30 [ 6654.407872][ T10] kthread+0x28a/0x350 [ 6654.407872][ T10] ret_from_fork+0x31/0x70 [ 6654.407872][ T10] ret_from_fork_asm+0x1a/0x30 [ 6654.407872][ T10] [ 6654.410055][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6654.410055][ T10] netdev_get_by_index+0x5e/0x80 [ 6654.410055][ T10] fib6_nh_init+0x3d8/0x1580 [ 6654.410055][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6654.410055][ T10] ip6_route_add+0x1c/0x140 [ 6654.410055][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6654.410055][ T10] inet6_addr_add+0x4f8/0xa40 [ 6654.410055][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6654.410055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6654.410055][ T10] netlink_rcv_skb+0x130/0x360 [ 6654.410055][ T10] netlink_unicast+0x449/0x710 [ 6654.410055][ T10] netlink_sendmsg+0x723/0xbe0 [ 6654.410055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6654.410055][ T10] ___sys_sendmsg+0xee/0x170 [ 6654.410055][ T10] __sys_sendmsg+0xcd/0x170 [ 6654.410055][ T10] do_syscall_64+0xc6/0x1e0 [ 6654.410055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6654.410055][ T10] [ 6654.412338][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6654.412338][ T10] netdev_get_by_index+0x5e/0x80 [ 6654.412338][ T10] fib6_nh_init+0x3d8/0x1580 [ 6654.412338][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6654.412338][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6654.412338][ T10] ipv6_add_addr+0x411/0x2000 [ 6654.412338][ T10] inet6_addr_add+0x30e/0xa40 [ 6654.412338][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6654.412338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6654.412338][ T10] netlink_rcv_skb+0x130/0x360 [ 6654.412338][ T10] netlink_unicast+0x449/0x710 [ 6654.412338][ T10] netlink_sendmsg+0x723/0xbe0 [ 6654.412338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6654.412338][ T10] ___sys_sendmsg+0xee/0x170 [ 6654.412338][ T10] __sys_sendmsg+0xcd/0x170 [ 6654.412338][ T10] do_syscall_64+0xc6/0x1e0 [ 6654.412338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6654.412338][ T10] [ 6654.414706][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6654.414706][ T10] netdev_get_by_index+0x5e/0x80 [ 6654.414706][ T10] fib6_nh_init+0x3d8/0x1580 [ 6654.414706][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6654.414706][ T10] ip6_route_add+0x1c/0x140 [ 6654.414706][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6654.414706][ T10] addrconf_add_dev+0xe2/0x170 [ 6654.414706][ T10] inet6_addr_add+0x12f/0xa40 [ 6654.414706][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6654.414706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6654.414706][ T10] netlink_rcv_skb+0x130/0x360 [ 6654.414706][ T10] netlink_unicast+0x449/0x710 [ 6654.414706][ T10] netlink_sendmsg+0x723/0xbe0 [ 6654.414706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6654.414706][ T10] ___sys_sendmsg+0xee/0x170 [ 6654.414706][ T10] __sys_sendmsg+0xcd/0x170 [ 6654.414706][ T10] do_syscall_64+0xc6/0x1e0 [ 6654.414706][ T10] [ 6654.416959][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6654.416959][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6654.416959][ T10] ipv6_find_idev+0x102/0x170 [ 6654.416959][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6654.416959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6654.416959][ T10] netlink_rcv_skb+0x130/0x360 [ 6654.416959][ T10] netlink_unicast+0x449/0x710 [ 6654.416959][ T10] netlink_sendmsg+0x723/0xbe0 [ 6654.416959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6654.416959][ T10] ___sys_sendmsg+0xee/0x170 [ 6654.416959][ T10] __sys_sendmsg+0xcd/0x170 [ 6654.416959][ T10] do_syscall_64+0xc6/0x1e0 [ 6654.416959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6654.416959][ T10] [ 6654.418759][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6654.418759][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6654.418759][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6654.418759][ T10] ipv6_find_idev+0x102/0x170 [ 6654.418759][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6654.418759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6654.418759][ T10] netlink_rcv_skb+0x130/0x360 [ 6654.418759][ T10] netlink_unicast+0x449/0x710 [ 6654.418759][ T10] netlink_sendmsg+0x723/0xbe0 [ 6654.418759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6654.418759][ T10] ___sys_sendmsg+0xee/0x170 [ 6654.418759][ T10] __sys_sendmsg+0xcd/0x170 [ 6654.418759][ T10] do_syscall_64+0xc6/0x1e0 [ 6654.418759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6654.418759][ T10] [ 6661.585042][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6661.585560][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6661.585560][ T1167] dst_init+0x84/0x4a0 [ 6661.585560][ T1167] dst_alloc+0x97/0x150 [ 6661.585560][ T1167] ip6_dst_alloc+0x23/0x90 [ 6661.585560][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6661.585560][ T1167] ip6_pol_route+0x56f/0x840 [ 6661.585560][ T1167] fib6_rule_lookup+0x334/0x630 [ 6661.585560][ T1167] ip6_route_output_flags+0x259/0x480 [ 6661.585560][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6661.585560][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6661.585560][ T1167] netlink_rcv_skb+0x130/0x360 [ 6661.585560][ T1167] netlink_unicast+0x449/0x710 [ 6661.585560][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6661.585560][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6661.585560][ T1167] ___sys_sendmsg+0xee/0x170 [ 6661.585560][ T1167] __sys_sendmsg+0xcd/0x170 [ 6661.585560][ T1167] do_syscall_64+0xc6/0x1e0 [ 6661.585560][ T1167] [ 6661.587811][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6661.587811][ T1167] netdev_get_by_index+0x5e/0x80 [ 6661.587811][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6661.587811][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6661.587811][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6661.587811][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6661.587811][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6661.587811][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6661.587811][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6661.587811][ T1167] addrconf_dad_begin+0x310/0x670 [ 6661.587811][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6661.587811][ T1167] process_one_work+0x84d/0x18a0 [ 6661.587811][ T1167] worker_thread+0x587/0xd30 [ 6661.587811][ T1167] kthread+0x28a/0x350 [ 6661.587811][ T1167] ret_from_fork+0x31/0x70 [ 6661.587811][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6661.587811][ T1167] [ 6661.589975][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6661.589975][ T1167] netdev_get_by_index+0x5e/0x80 [ 6661.589975][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6661.589975][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6661.589975][ T1167] ip6_route_add+0x1c/0x140 [ 6661.589975][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6661.589975][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6661.589975][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6661.589975][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6661.589975][ T1167] netlink_rcv_skb+0x130/0x360 [ 6661.589975][ T1167] netlink_unicast+0x449/0x710 [ 6661.589975][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6661.589975][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6661.589975][ T1167] ___sys_sendmsg+0xee/0x170 [ 6661.589975][ T1167] __sys_sendmsg+0xcd/0x170 [ 6661.589975][ T1167] do_syscall_64+0xc6/0x1e0 [ 6661.589975][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6661.589975][ T1167] [ 6661.592245][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6661.592245][ T1167] netdev_get_by_index+0x5e/0x80 [ 6661.592245][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6661.592245][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6661.592245][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6661.592245][ T1167] ipv6_add_addr+0x411/0x2000 [ 6661.592245][ T1167] inet6_addr_add+0x30e/0xa40 [ 6661.592245][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6661.592245][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6661.592245][ T1167] netlink_rcv_skb+0x130/0x360 [ 6661.592245][ T1167] netlink_unicast+0x449/0x710 [ 6661.592245][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6661.592245][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6661.592245][ T1167] ___sys_sendmsg+0xee/0x170 [ 6661.592245][ T1167] __sys_sendmsg+0xcd/0x170 [ 6661.592245][ T1167] do_syscall_64+0xc6/0x1e0 [ 6661.592245][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6661.592245][ T1167] [ 6661.594505][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6661.594505][ T1167] netdev_get_by_index+0x5e/0x80 [ 6661.594505][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6661.594505][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6661.594505][ T1167] ip6_route_add+0x1c/0x140 [ 6661.594505][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6661.594505][ T1167] addrconf_add_dev+0xe2/0x170 [ 6661.594505][ T1167] inet6_addr_add+0x12f/0xa40 [ 6661.594505][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6661.594505][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6661.594505][ T1167] netlink_rcv_skb+0x130/0x360 [ 6661.594505][ T1167] netlink_unicast+0x449/0x710 [ 6661.594505][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6661.594505][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6661.594505][ T1167] ___sys_sendmsg+0xee/0x170 [ 6661.594505][ T1167] __sys_sendmsg+0xcd/0x170 [ 6661.594505][ T1167] do_syscall_64+0xc6/0x1e0 [ 6661.594505][ T1167] [ 6661.596715][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6661.596715][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6661.596715][ T1167] ipv6_find_idev+0x102/0x170 [ 6661.596715][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6661.596715][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6661.596715][ T1167] netlink_rcv_skb+0x130/0x360 [ 6661.596715][ T1167] netlink_unicast+0x449/0x710 [ 6661.596715][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6661.596715][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6661.596715][ T1167] ___sys_sendmsg+0xee/0x170 [ 6661.596715][ T1167] __sys_sendmsg+0xcd/0x170 [ 6661.596715][ T1167] do_syscall_64+0xc6/0x1e0 [ 6661.596715][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6661.596715][ T1167] [ 6661.598452][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6661.598452][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6661.598452][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6661.598452][ T1167] ipv6_find_idev+0x102/0x170 [ 6661.598452][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6661.598452][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6661.598452][ T1167] netlink_rcv_skb+0x130/0x360 [ 6661.598452][ T1167] netlink_unicast+0x449/0x710 [ 6661.598452][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6661.598452][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6661.598452][ T1167] ___sys_sendmsg+0xee/0x170 [ 6661.598452][ T1167] __sys_sendmsg+0xcd/0x170 [ 6661.598452][ T1167] do_syscall_64+0xc6/0x1e0 [ 6661.598452][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6661.598452][ T1167] [ 6664.425044][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6664.425475][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6664.425475][ T10] netdev_get_by_index+0x5e/0x80 [ 6664.425475][ T10] fib6_nh_init+0x3d8/0x1580 [ 6664.425475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6664.425475][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6664.425475][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6664.425475][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6664.425475][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6664.425475][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6664.425475][ T10] addrconf_dad_begin+0x310/0x670 [ 6664.425475][ T10] addrconf_dad_work+0x10b/0xab0 [ 6664.425475][ T10] process_one_work+0x84d/0x18a0 [ 6664.425475][ T10] worker_thread+0x587/0xd30 [ 6664.425475][ T10] kthread+0x28a/0x350 [ 6664.425475][ T10] ret_from_fork+0x31/0x70 [ 6664.425475][ T10] ret_from_fork_asm+0x1a/0x30 [ 6664.425475][ T10] [ 6664.427709][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6664.427709][ T10] netdev_get_by_index+0x5e/0x80 [ 6664.427709][ T10] fib6_nh_init+0x3d8/0x1580 [ 6664.427709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6664.427709][ T10] ip6_route_add+0x1c/0x140 [ 6664.427709][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6664.427709][ T10] inet6_addr_add+0x4f8/0xa40 [ 6664.427709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6664.427709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6664.427709][ T10] netlink_rcv_skb+0x130/0x360 [ 6664.427709][ T10] netlink_unicast+0x449/0x710 [ 6664.427709][ T10] netlink_sendmsg+0x723/0xbe0 [ 6664.427709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6664.427709][ T10] ___sys_sendmsg+0xee/0x170 [ 6664.427709][ T10] __sys_sendmsg+0xcd/0x170 [ 6664.427709][ T10] do_syscall_64+0xc6/0x1e0 [ 6664.427709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6664.427709][ T10] [ 6664.429937][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6664.429937][ T10] netdev_get_by_index+0x5e/0x80 [ 6664.429937][ T10] fib6_nh_init+0x3d8/0x1580 [ 6664.429937][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6664.429937][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6664.429937][ T10] ipv6_add_addr+0x411/0x2000 [ 6664.429937][ T10] inet6_addr_add+0x30e/0xa40 [ 6664.429937][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6664.429937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6664.429937][ T10] netlink_rcv_skb+0x130/0x360 [ 6664.429937][ T10] netlink_unicast+0x449/0x710 [ 6664.429937][ T10] netlink_sendmsg+0x723/0xbe0 [ 6664.429937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6664.429937][ T10] ___sys_sendmsg+0xee/0x170 [ 6664.429937][ T10] __sys_sendmsg+0xcd/0x170 [ 6664.429937][ T10] do_syscall_64+0xc6/0x1e0 [ 6664.429937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6664.429937][ T10] [ 6664.432160][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6664.432160][ T10] netdev_get_by_index+0x5e/0x80 [ 6664.432160][ T10] fib6_nh_init+0x3d8/0x1580 [ 6664.432160][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6664.432160][ T10] ip6_route_add+0x1c/0x140 [ 6664.432160][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6664.432160][ T10] addrconf_add_dev+0xe2/0x170 [ 6664.432160][ T10] inet6_addr_add+0x12f/0xa40 [ 6664.432160][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6664.432160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6664.432160][ T10] netlink_rcv_skb+0x130/0x360 [ 6664.432160][ T10] netlink_unicast+0x449/0x710 [ 6664.432160][ T10] netlink_sendmsg+0x723/0xbe0 [ 6664.432160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6664.432160][ T10] ___sys_sendmsg+0xee/0x170 [ 6664.432160][ T10] __sys_sendmsg+0xcd/0x170 [ 6664.432160][ T10] do_syscall_64+0xc6/0x1e0 [ 6664.432160][ T10] [ 6664.434342][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6664.434342][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6664.434342][ T10] ipv6_find_idev+0x102/0x170 [ 6664.434342][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6664.434342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6664.434342][ T10] netlink_rcv_skb+0x130/0x360 [ 6664.434342][ T10] netlink_unicast+0x449/0x710 [ 6664.434342][ T10] netlink_sendmsg+0x723/0xbe0 [ 6664.434342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6664.434342][ T10] ___sys_sendmsg+0xee/0x170 [ 6664.434342][ T10] __sys_sendmsg+0xcd/0x170 [ 6664.434342][ T10] do_syscall_64+0xc6/0x1e0 [ 6664.434342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6664.434342][ T10] [ 6664.436059][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6664.436059][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6664.436059][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6664.436059][ T10] ipv6_find_idev+0x102/0x170 [ 6664.436059][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6664.436059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6664.436059][ T10] netlink_rcv_skb+0x130/0x360 [ 6664.436059][ T10] netlink_unicast+0x449/0x710 [ 6664.436059][ T10] netlink_sendmsg+0x723/0xbe0 [ 6664.436059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6664.436059][ T10] ___sys_sendmsg+0xee/0x170 [ 6664.436059][ T10] __sys_sendmsg+0xcd/0x170 [ 6664.436059][ T10] do_syscall_64+0xc6/0x1e0 [ 6664.436059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6664.436059][ T10] [ 6664.437945][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6664.438224][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6664.438224][ T10] netdev_get_by_index+0x5e/0x80 [ 6664.438224][ T10] fib6_nh_init+0x3d8/0x1580 [ 6664.438224][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6664.438224][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6664.438224][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6664.438224][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6664.438224][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6664.438224][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6664.438224][ T10] addrconf_dad_begin+0x310/0x670 [ 6664.438224][ T10] addrconf_dad_work+0x10b/0xab0 [ 6664.438224][ T10] process_one_work+0x84d/0x18a0 [ 6664.438224][ T10] worker_thread+0x587/0xd30 [ 6664.438224][ T10] kthread+0x28a/0x350 [ 6664.438224][ T10] ret_from_fork+0x31/0x70 [ 6664.438224][ T10] ret_from_fork_asm+0x1a/0x30 [ 6664.438224][ T10] [ 6664.440348][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6664.440348][ T10] netdev_get_by_index+0x5e/0x80 [ 6664.440348][ T10] fib6_nh_init+0x3d8/0x1580 [ 6664.440348][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6664.440348][ T10] ip6_route_add+0x1c/0x140 [ 6664.440348][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6664.440348][ T10] inet6_addr_add+0x4f8/0xa40 [ 6664.440348][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6664.440348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6664.440348][ T10] netlink_rcv_skb+0x130/0x360 [ 6664.440348][ T10] netlink_unicast+0x449/0x710 [ 6664.440348][ T10] netlink_sendmsg+0x723/0xbe0 [ 6664.440348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6664.440348][ T10] ___sys_sendmsg+0xee/0x170 [ 6664.440348][ T10] __sys_sendmsg+0xcd/0x170 [ 6664.440348][ T10] do_syscall_64+0xc6/0x1e0 [ 6664.440348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6664.440348][ T10] [ 6664.442573][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6664.442573][ T10] netdev_get_by_index+0x5e/0x80 [ 6664.442573][ T10] fib6_nh_init+0x3d8/0x1580 [ 6664.442573][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6664.442573][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6664.442573][ T10] ipv6_add_addr+0x411/0x2000 [ 6664.442573][ T10] inet6_addr_add+0x30e/0xa40 [ 6664.442573][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6664.442573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6664.442573][ T10] netlink_rcv_skb+0x130/0x360 [ 6664.442573][ T10] netlink_unicast+0x449/0x710 [ 6664.442573][ T10] netlink_sendmsg+0x723/0xbe0 [ 6664.442573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6664.442573][ T10] ___sys_sendmsg+0xee/0x170 [ 6664.442573][ T10] __sys_sendmsg+0xcd/0x170 [ 6664.442573][ T10] do_syscall_64+0xc6/0x1e0 [ 6664.442573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6664.442573][ T10] [ 6664.444790][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6664.444790][ T10] netdev_get_by_index+0x5e/0x80 [ 6664.444790][ T10] fib6_nh_init+0x3d8/0x1580 [ 6664.444790][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6664.444790][ T10] ip6_route_add+0x1c/0x140 [ 6664.444790][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6664.444790][ T10] addrconf_add_dev+0xe2/0x170 [ 6664.444790][ T10] inet6_addr_add+0x12f/0xa40 [ 6664.444790][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6664.444790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6664.444790][ T10] netlink_rcv_skb+0x130/0x360 [ 6664.444790][ T10] netlink_unicast+0x449/0x710 [ 6664.444790][ T10] netlink_sendmsg+0x723/0xbe0 [ 6664.444790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6664.444790][ T10] ___sys_sendmsg+0xee/0x170 [ 6664.444790][ T10] __sys_sendmsg+0xcd/0x170 [ 6664.444790][ T10] do_syscall_64+0xc6/0x1e0 [ 6664.444790][ T10] [ 6664.446992][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6664.446992][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6664.446992][ T10] ipv6_find_idev+0x102/0x170 [ 6664.446992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6664.446992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6664.446992][ T10] netlink_rcv_skb+0x130/0x360 [ 6664.446992][ T10] netlink_unicast+0x449/0x710 [ 6664.446992][ T10] netlink_sendmsg+0x723/0xbe0 [ 6664.446992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6664.446992][ T10] ___sys_sendmsg+0xee/0x170 [ 6664.446992][ T10] __sys_sendmsg+0xcd/0x170 [ 6664.446992][ T10] do_syscall_64+0xc6/0x1e0 [ 6664.446992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6664.446992][ T10] [ 6664.448698][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6664.448698][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6664.448698][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6664.448698][ T10] ipv6_find_idev+0x102/0x170 [ 6664.448698][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6664.448698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6664.448698][ T10] netlink_rcv_skb+0x130/0x360 [ 6664.448698][ T10] netlink_unicast+0x449/0x710 [ 6664.448698][ T10] netlink_sendmsg+0x723/0xbe0 [ 6664.448698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6664.448698][ T10] ___sys_sendmsg+0xee/0x170 [ 6664.448698][ T10] __sys_sendmsg+0xcd/0x170 [ 6664.448698][ T10] do_syscall_64+0xc6/0x1e0 [ 6664.448698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6664.448698][ T10] [ 6664.450576][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6664.450839][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6664.450839][ T10] netdev_get_by_index+0x5e/0x80 [ 6664.450839][ T10] fib6_nh_init+0x3d8/0x1580 [ 6664.450839][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6664.450839][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6664.450839][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6664.450839][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6664.450839][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6664.450839][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6664.450839][ T10] addrconf_dad_begin+0x310/0x670 [ 6664.450839][ T10] addrconf_dad_work+0x10b/0xab0 [ 6664.450839][ T10] process_one_work+0x84d/0x18a0 [ 6664.450839][ T10] worker_thread+0x587/0xd30 [ 6664.450839][ T10] kthread+0x28a/0x350 [ 6664.450839][ T10] ret_from_fork+0x31/0x70 [ 6664.450839][ T10] ret_from_fork_asm+0x1a/0x30 [ 6664.450839][ T10] [ 6664.452967][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6664.452967][ T10] netdev_get_by_index+0x5e/0x80 [ 6664.452967][ T10] fib6_nh_init+0x3d8/0x1580 [ 6664.452967][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6664.452967][ T10] ip6_route_add+0x1c/0x140 [ 6664.452967][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6664.452967][ T10] inet6_addr_add+0x4f8/0xa40 [ 6664.452967][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6664.452967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6664.452967][ T10] netlink_rcv_skb+0x130/0x360 [ 6664.452967][ T10] netlink_unicast+0x449/0x710 [ 6664.452967][ T10] netlink_sendmsg+0x723/0xbe0 [ 6664.452967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6664.452967][ T10] ___sys_sendmsg+0xee/0x170 [ 6664.452967][ T10] __sys_sendmsg+0xcd/0x170 [ 6664.452967][ T10] do_syscall_64+0xc6/0x1e0 [ 6664.452967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6664.452967][ T10] [ 6664.455362][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6664.455362][ T10] netdev_get_by_index+0x5e/0x80 [ 6664.455362][ T10] fib6_nh_init+0x3d8/0x1580 [ 6664.455362][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6664.455362][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6664.455362][ T10] ipv6_add_addr+0x411/0x2000 [ 6664.455362][ T10] inet6_addr_add+0x30e/0xa40 [ 6664.455362][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6664.455362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6664.455362][ T10] netlink_rcv_skb+0x130/0x360 [ 6664.455362][ T10] netlink_unicast+0x449/0x710 [ 6664.455362][ T10] netlink_sendmsg+0x723/0xbe0 [ 6664.455362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6664.455362][ T10] ___sys_sendmsg+0xee/0x170 [ 6664.455362][ T10] __sys_sendmsg+0xcd/0x170 [ 6664.455362][ T10] do_syscall_64+0xc6/0x1e0 [ 6664.455362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6664.455362][ T10] [ 6664.457842][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6664.457842][ T10] netdev_get_by_index+0x5e/0x80 [ 6664.457842][ T10] fib6_nh_init+0x3d8/0x1580 [ 6664.457842][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6664.457842][ T10] ip6_route_add+0x1c/0x140 [ 6664.457842][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6664.457842][ T10] addrconf_add_dev+0xe2/0x170 [ 6664.457842][ T10] inet6_addr_add+0x12f/0xa40 [ 6664.457842][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6664.457842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6664.457842][ T10] netlink_rcv_skb+0x130/0x360 [ 6664.457842][ T10] netlink_unicast+0x449/0x710 [ 6664.457842][ T10] netlink_sendmsg+0x723/0xbe0 [ 6664.457842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6664.457842][ T10] ___sys_sendmsg+0xee/0x170 [ 6664.457842][ T10] __sys_sendmsg+0xcd/0x170 [ 6664.457842][ T10] do_syscall_64+0xc6/0x1e0 [ 6664.457842][ T10] [ 6664.460268][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6664.460268][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6664.460268][ T10] ipv6_find_idev+0x102/0x170 [ 6664.460268][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6664.460268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6664.460268][ T10] netlink_rcv_skb+0x130/0x360 [ 6664.460268][ T10] netlink_unicast+0x449/0x710 [ 6664.460268][ T10] netlink_sendmsg+0x723/0xbe0 [ 6664.460268][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6664.460268][ T10] ___sys_sendmsg+0xee/0x170 [ 6664.460268][ T10] __sys_sendmsg+0xcd/0x170 [ 6664.460268][ T10] do_syscall_64+0xc6/0x1e0 [ 6664.460268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6664.460268][ T10] [ 6664.462241][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6664.462241][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6664.462241][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6664.462241][ T10] ipv6_find_idev+0x102/0x170 [ 6664.462241][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6664.462241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6664.462241][ T10] netlink_rcv_skb+0x130/0x360 [ 6664.462241][ T10] netlink_unicast+0x449/0x710 [ 6664.462241][ T10] netlink_sendmsg+0x723/0xbe0 [ 6664.462241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6664.462241][ T10] ___sys_sendmsg+0xee/0x170 [ 6664.462241][ T10] __sys_sendmsg+0xcd/0x170 [ 6664.462241][ T10] do_syscall_64+0xc6/0x1e0 [ 6664.462241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6664.462241][ T10] [ 6664.464318][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6664.464637][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6664.464637][ T10] netdev_get_by_index+0x5e/0x80 [ 6664.464637][ T10] fib6_nh_init+0x3d8/0x1580 [ 6664.464637][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6664.464637][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6664.464637][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6664.464637][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6664.464637][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6664.464637][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6664.464637][ T10] addrconf_dad_begin+0x310/0x670 [ 6664.464637][ T10] addrconf_dad_work+0x10b/0xab0 [ 6664.464637][ T10] process_one_work+0x84d/0x18a0 [ 6664.464637][ T10] worker_thread+0x587/0xd30 [ 6664.464637][ T10] kthread+0x28a/0x350 [ 6664.464637][ T10] ret_from_fork+0x31/0x70 [ 6664.464637][ T10] ret_from_fork_asm+0x1a/0x30 [ 6664.464637][ T10] [ 6664.466952][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6664.466952][ T10] netdev_get_by_index+0x5e/0x80 [ 6664.466952][ T10] fib6_nh_init+0x3d8/0x1580 [ 6664.466952][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6664.466952][ T10] ip6_route_add+0x1c/0x140 [ 6664.466952][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6664.466952][ T10] inet6_addr_add+0x4f8/0xa40 [ 6664.466952][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6664.466952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6664.466952][ T10] netlink_rcv_skb+0x130/0x360 [ 6664.466952][ T10] netlink_unicast+0x449/0x710 [ 6664.466952][ T10] netlink_sendmsg+0x723/0xbe0 [ 6664.466952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6664.466952][ T10] ___sys_sendmsg+0xee/0x170 [ 6664.466952][ T10] __sys_sendmsg+0xcd/0x170 [ 6664.466952][ T10] do_syscall_64+0xc6/0x1e0 [ 6664.466952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6664.466952][ T10] [ 6664.469400][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6664.469400][ T10] netdev_get_by_index+0x5e/0x80 [ 6664.469400][ T10] fib6_nh_init+0x3d8/0x1580 [ 6664.469400][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6664.469400][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6664.469400][ T10] ipv6_add_addr+0x411/0x2000 [ 6664.469400][ T10] inet6_addr_add+0x30e/0xa40 [ 6664.469400][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6664.469400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6664.469400][ T10] netlink_rcv_skb+0x130/0x360 [ 6664.469400][ T10] netlink_unicast+0x449/0x710 [ 6664.469400][ T10] netlink_sendmsg+0x723/0xbe0 [ 6664.469400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6664.469400][ T10] ___sys_sendmsg+0xee/0x170 [ 6664.469400][ T10] __sys_sendmsg+0xcd/0x170 [ 6664.469400][ T10] do_syscall_64+0xc6/0x1e0 [ 6664.469400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6664.469400][ T10] [ 6664.471911][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6664.471911][ T10] netdev_get_by_index+0x5e/0x80 [ 6664.471911][ T10] fib6_nh_init+0x3d8/0x1580 [ 6664.471911][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6664.471911][ T10] ip6_route_add+0x1c/0x140 [ 6664.471911][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6664.471911][ T10] addrconf_add_dev+0xe2/0x170 [ 6664.471911][ T10] inet6_addr_add+0x12f/0xa40 [ 6664.471911][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6664.471911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6664.471911][ T10] netlink_rcv_skb+0x130/0x360 [ 6664.471911][ T10] netlink_unicast+0x449/0x710 [ 6664.471911][ T10] netlink_sendmsg+0x723/0xbe0 [ 6664.471911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6664.471911][ T10] ___sys_sendmsg+0xee/0x170 [ 6664.471911][ T10] __sys_sendmsg+0xcd/0x170 [ 6664.471911][ T10] do_syscall_64+0xc6/0x1e0 [ 6664.471911][ T10] [ 6664.474337][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6664.474337][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6664.474337][ T10] ipv6_find_idev+0x102/0x170 [ 6664.474337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6664.474337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6664.474337][ T10] netlink_rcv_skb+0x130/0x360 [ 6664.474337][ T10] netlink_unicast+0x449/0x710 [ 6664.474337][ T10] netlink_sendmsg+0x723/0xbe0 [ 6664.474337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6664.474337][ T10] ___sys_sendmsg+0xee/0x170 [ 6664.474337][ T10] __sys_sendmsg+0xcd/0x170 [ 6664.474337][ T10] do_syscall_64+0xc6/0x1e0 [ 6664.474337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6664.474337][ T10] [ 6664.476236][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6664.476236][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6664.476236][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6664.476236][ T10] ipv6_find_idev+0x102/0x170 [ 6664.476236][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6664.476236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6664.476236][ T10] netlink_rcv_skb+0x130/0x360 [ 6664.476236][ T10] netlink_unicast+0x449/0x710 [ 6664.476236][ T10] netlink_sendmsg+0x723/0xbe0 [ 6664.476236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6664.476236][ T10] ___sys_sendmsg+0xee/0x170 [ 6664.476236][ T10] __sys_sendmsg+0xcd/0x170 [ 6664.476236][ T10] do_syscall_64+0xc6/0x1e0 [ 6664.476236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6664.476236][ T10] [ 6671.841043][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6671.841554][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6671.841554][ T1167] dst_init+0x84/0x4a0 [ 6671.841554][ T1167] dst_alloc+0x97/0x150 [ 6671.841554][ T1167] ip6_dst_alloc+0x23/0x90 [ 6671.841554][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6671.841554][ T1167] ip6_pol_route+0x56f/0x840 [ 6671.841554][ T1167] fib6_rule_lookup+0x334/0x630 [ 6671.841554][ T1167] ip6_route_output_flags+0x259/0x480 [ 6671.841554][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6671.841554][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6671.841554][ T1167] netlink_rcv_skb+0x130/0x360 [ 6671.841554][ T1167] netlink_unicast+0x449/0x710 [ 6671.841554][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6671.841554][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6671.841554][ T1167] ___sys_sendmsg+0xee/0x170 [ 6671.841554][ T1167] __sys_sendmsg+0xcd/0x170 [ 6671.841554][ T1167] do_syscall_64+0xc6/0x1e0 [ 6671.841554][ T1167] [ 6671.843790][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6671.843790][ T1167] netdev_get_by_index+0x5e/0x80 [ 6671.843790][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6671.843790][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6671.843790][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6671.843790][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6671.843790][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6671.843790][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6671.843790][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6671.843790][ T1167] addrconf_dad_begin+0x310/0x670 [ 6671.843790][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6671.843790][ T1167] process_one_work+0x84d/0x18a0 [ 6671.843790][ T1167] worker_thread+0x587/0xd30 [ 6671.843790][ T1167] kthread+0x28a/0x350 [ 6671.843790][ T1167] ret_from_fork+0x31/0x70 [ 6671.843790][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6671.843790][ T1167] [ 6671.845938][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6671.845938][ T1167] netdev_get_by_index+0x5e/0x80 [ 6671.845938][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6671.845938][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6671.845938][ T1167] ip6_route_add+0x1c/0x140 [ 6671.845938][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6671.845938][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6671.845938][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6671.845938][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6671.845938][ T1167] netlink_rcv_skb+0x130/0x360 [ 6671.845938][ T1167] netlink_unicast+0x449/0x710 [ 6671.845938][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6671.845938][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6671.845938][ T1167] ___sys_sendmsg+0xee/0x170 [ 6671.845938][ T1167] __sys_sendmsg+0xcd/0x170 [ 6671.845938][ T1167] do_syscall_64+0xc6/0x1e0 [ 6671.845938][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6671.845938][ T1167] [ 6671.848174][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6671.848174][ T1167] netdev_get_by_index+0x5e/0x80 [ 6671.848174][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6671.848174][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6671.848174][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6671.848174][ T1167] ipv6_add_addr+0x411/0x2000 [ 6671.848174][ T1167] inet6_addr_add+0x30e/0xa40 [ 6671.848174][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6671.848174][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6671.848174][ T1167] netlink_rcv_skb+0x130/0x360 [ 6671.848174][ T1167] netlink_unicast+0x449/0x710 [ 6671.848174][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6671.848174][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6671.848174][ T1167] ___sys_sendmsg+0xee/0x170 [ 6671.848174][ T1167] __sys_sendmsg+0xcd/0x170 [ 6671.848174][ T1167] do_syscall_64+0xc6/0x1e0 [ 6671.848174][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6671.848174][ T1167] [ 6671.850410][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6671.850410][ T1167] netdev_get_by_index+0x5e/0x80 [ 6671.850410][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6671.850410][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6671.850410][ T1167] ip6_route_add+0x1c/0x140 [ 6671.850410][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6671.850410][ T1167] addrconf_add_dev+0xe2/0x170 [ 6671.850410][ T1167] inet6_addr_add+0x12f/0xa40 [ 6671.850410][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6671.850410][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6671.850410][ T1167] netlink_rcv_skb+0x130/0x360 [ 6671.850410][ T1167] netlink_unicast+0x449/0x710 [ 6671.850410][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6671.850410][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6671.850410][ T1167] ___sys_sendmsg+0xee/0x170 [ 6671.850410][ T1167] __sys_sendmsg+0xcd/0x170 [ 6671.850410][ T1167] do_syscall_64+0xc6/0x1e0 [ 6671.850410][ T1167] [ 6671.852609][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6671.852609][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6671.852609][ T1167] ipv6_find_idev+0x102/0x170 [ 6671.852609][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6671.852609][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6671.852609][ T1167] netlink_rcv_skb+0x130/0x360 [ 6671.852609][ T1167] netlink_unicast+0x449/0x710 [ 6671.852609][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6671.852609][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6671.852609][ T1167] ___sys_sendmsg+0xee/0x170 [ 6671.852609][ T1167] __sys_sendmsg+0xcd/0x170 [ 6671.852609][ T1167] do_syscall_64+0xc6/0x1e0 [ 6671.852609][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6671.852609][ T1167] [ 6671.854338][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6671.854338][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6671.854338][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6671.854338][ T1167] ipv6_find_idev+0x102/0x170 [ 6671.854338][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6671.854338][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6671.854338][ T1167] netlink_rcv_skb+0x130/0x360 [ 6671.854338][ T1167] netlink_unicast+0x449/0x710 [ 6671.854338][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6671.854338][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6671.854338][ T1167] ___sys_sendmsg+0xee/0x170 [ 6671.854338][ T1167] __sys_sendmsg+0xcd/0x170 [ 6671.854338][ T1167] do_syscall_64+0xc6/0x1e0 [ 6671.854338][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6671.854338][ T1167] [ 6674.513120][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6674.513556][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6674.513556][ T10] netdev_get_by_index+0x5e/0x80 [ 6674.513556][ T10] fib6_nh_init+0x3d8/0x1580 [ 6674.513556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6674.513556][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6674.513556][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6674.513556][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6674.513556][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6674.513556][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6674.513556][ T10] addrconf_dad_begin+0x310/0x670 [ 6674.513556][ T10] addrconf_dad_work+0x10b/0xab0 [ 6674.513556][ T10] process_one_work+0x84d/0x18a0 [ 6674.513556][ T10] worker_thread+0x587/0xd30 [ 6674.513556][ T10] kthread+0x28a/0x350 [ 6674.513556][ T10] ret_from_fork+0x31/0x70 [ 6674.513556][ T10] ret_from_fork_asm+0x1a/0x30 [ 6674.513556][ T10] [ 6674.515689][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6674.515689][ T10] netdev_get_by_index+0x5e/0x80 [ 6674.515689][ T10] fib6_nh_init+0x3d8/0x1580 [ 6674.515689][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6674.515689][ T10] ip6_route_add+0x1c/0x140 [ 6674.515689][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6674.515689][ T10] inet6_addr_add+0x4f8/0xa40 [ 6674.515689][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6674.515689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.515689][ T10] netlink_rcv_skb+0x130/0x360 [ 6674.515689][ T10] netlink_unicast+0x449/0x710 [ 6674.515689][ T10] netlink_sendmsg+0x723/0xbe0 [ 6674.515689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6674.515689][ T10] ___sys_sendmsg+0xee/0x170 [ 6674.515689][ T10] __sys_sendmsg+0xcd/0x170 [ 6674.515689][ T10] do_syscall_64+0xc6/0x1e0 [ 6674.515689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.515689][ T10] [ 6674.517898][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6674.517898][ T10] netdev_get_by_index+0x5e/0x80 [ 6674.517898][ T10] fib6_nh_init+0x3d8/0x1580 [ 6674.517898][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6674.517898][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6674.517898][ T10] ipv6_add_addr+0x411/0x2000 [ 6674.517898][ T10] inet6_addr_add+0x30e/0xa40 [ 6674.517898][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6674.517898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.517898][ T10] netlink_rcv_skb+0x130/0x360 [ 6674.517898][ T10] netlink_unicast+0x449/0x710 [ 6674.517898][ T10] netlink_sendmsg+0x723/0xbe0 [ 6674.517898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6674.517898][ T10] ___sys_sendmsg+0xee/0x170 [ 6674.517898][ T10] __sys_sendmsg+0xcd/0x170 [ 6674.517898][ T10] do_syscall_64+0xc6/0x1e0 [ 6674.517898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.517898][ T10] [ 6674.520093][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6674.520093][ T10] netdev_get_by_index+0x5e/0x80 [ 6674.520093][ T10] fib6_nh_init+0x3d8/0x1580 [ 6674.520093][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6674.520093][ T10] ip6_route_add+0x1c/0x140 [ 6674.520093][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6674.520093][ T10] addrconf_add_dev+0xe2/0x170 [ 6674.520093][ T10] inet6_addr_add+0x12f/0xa40 [ 6674.520093][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6674.520093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.520093][ T10] netlink_rcv_skb+0x130/0x360 [ 6674.520093][ T10] netlink_unicast+0x449/0x710 [ 6674.520093][ T10] netlink_sendmsg+0x723/0xbe0 [ 6674.520093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6674.520093][ T10] ___sys_sendmsg+0xee/0x170 [ 6674.520093][ T10] __sys_sendmsg+0xcd/0x170 [ 6674.520093][ T10] do_syscall_64+0xc6/0x1e0 [ 6674.520093][ T10] [ 6674.522257][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6674.522257][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6674.522257][ T10] ipv6_find_idev+0x102/0x170 [ 6674.522257][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6674.522257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.522257][ T10] netlink_rcv_skb+0x130/0x360 [ 6674.522257][ T10] netlink_unicast+0x449/0x710 [ 6674.522257][ T10] netlink_sendmsg+0x723/0xbe0 [ 6674.522257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6674.522257][ T10] ___sys_sendmsg+0xee/0x170 [ 6674.522257][ T10] __sys_sendmsg+0xcd/0x170 [ 6674.522257][ T10] do_syscall_64+0xc6/0x1e0 [ 6674.522257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.522257][ T10] [ 6674.523967][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6674.523967][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6674.523967][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6674.523967][ T10] ipv6_find_idev+0x102/0x170 [ 6674.523967][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6674.523967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.523967][ T10] netlink_rcv_skb+0x130/0x360 [ 6674.523967][ T10] netlink_unicast+0x449/0x710 [ 6674.523967][ T10] netlink_sendmsg+0x723/0xbe0 [ 6674.523967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6674.523967][ T10] ___sys_sendmsg+0xee/0x170 [ 6674.523967][ T10] __sys_sendmsg+0xcd/0x170 [ 6674.523967][ T10] do_syscall_64+0xc6/0x1e0 [ 6674.523967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.523967][ T10] [ 6674.525971][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6674.526250][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6674.526250][ T10] netdev_get_by_index+0x5e/0x80 [ 6674.526250][ T10] fib6_nh_init+0x3d8/0x1580 [ 6674.526250][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6674.526250][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6674.526250][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6674.526250][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6674.526250][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6674.526250][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6674.526250][ T10] addrconf_dad_begin+0x310/0x670 [ 6674.526250][ T10] addrconf_dad_work+0x10b/0xab0 [ 6674.526250][ T10] process_one_work+0x84d/0x18a0 [ 6674.526250][ T10] worker_thread+0x587/0xd30 [ 6674.526250][ T10] kthread+0x28a/0x350 [ 6674.526250][ T10] ret_from_fork+0x31/0x70 [ 6674.526250][ T10] ret_from_fork_asm+0x1a/0x30 [ 6674.526250][ T10] [ 6674.528383][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6674.528383][ T10] netdev_get_by_index+0x5e/0x80 [ 6674.528383][ T10] fib6_nh_init+0x3d8/0x1580 [ 6674.528383][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6674.528383][ T10] ip6_route_add+0x1c/0x140 [ 6674.528383][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6674.528383][ T10] inet6_addr_add+0x4f8/0xa40 [ 6674.528383][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6674.528383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.528383][ T10] netlink_rcv_skb+0x130/0x360 [ 6674.528383][ T10] netlink_unicast+0x449/0x710 [ 6674.528383][ T10] netlink_sendmsg+0x723/0xbe0 [ 6674.528383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6674.528383][ T10] ___sys_sendmsg+0xee/0x170 [ 6674.528383][ T10] __sys_sendmsg+0xcd/0x170 [ 6674.528383][ T10] do_syscall_64+0xc6/0x1e0 [ 6674.528383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.528383][ T10] [ 6674.530615][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6674.530615][ T10] netdev_get_by_index+0x5e/0x80 [ 6674.530615][ T10] fib6_nh_init+0x3d8/0x1580 [ 6674.530615][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6674.530615][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6674.530615][ T10] ipv6_add_addr+0x411/0x2000 [ 6674.530615][ T10] inet6_addr_add+0x30e/0xa40 [ 6674.530615][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6674.530615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.530615][ T10] netlink_rcv_skb+0x130/0x360 [ 6674.530615][ T10] netlink_unicast+0x449/0x710 [ 6674.530615][ T10] netlink_sendmsg+0x723/0xbe0 [ 6674.530615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6674.530615][ T10] ___sys_sendmsg+0xee/0x170 [ 6674.530615][ T10] __sys_sendmsg+0xcd/0x170 [ 6674.530615][ T10] do_syscall_64+0xc6/0x1e0 [ 6674.530615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.530615][ T10] [ 6674.532828][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6674.532828][ T10] netdev_get_by_index+0x5e/0x80 [ 6674.532828][ T10] fib6_nh_init+0x3d8/0x1580 [ 6674.532828][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6674.532828][ T10] ip6_route_add+0x1c/0x140 [ 6674.532828][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6674.532828][ T10] addrconf_add_dev+0xe2/0x170 [ 6674.532828][ T10] inet6_addr_add+0x12f/0xa40 [ 6674.532828][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6674.532828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.532828][ T10] netlink_rcv_skb+0x130/0x360 [ 6674.532828][ T10] netlink_unicast+0x449/0x710 [ 6674.532828][ T10] netlink_sendmsg+0x723/0xbe0 [ 6674.532828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6674.532828][ T10] ___sys_sendmsg+0xee/0x170 [ 6674.532828][ T10] __sys_sendmsg+0xcd/0x170 [ 6674.532828][ T10] do_syscall_64+0xc6/0x1e0 [ 6674.532828][ T10] [ 6674.535038][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6674.535038][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6674.535038][ T10] ipv6_find_idev+0x102/0x170 [ 6674.535038][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6674.535038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.535038][ T10] netlink_rcv_skb+0x130/0x360 [ 6674.535038][ T10] netlink_unicast+0x449/0x710 [ 6674.535038][ T10] netlink_sendmsg+0x723/0xbe0 [ 6674.535038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6674.535038][ T10] ___sys_sendmsg+0xee/0x170 [ 6674.535038][ T10] __sys_sendmsg+0xcd/0x170 [ 6674.535038][ T10] do_syscall_64+0xc6/0x1e0 [ 6674.535038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.535038][ T10] [ 6674.536765][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6674.536765][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6674.536765][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6674.536765][ T10] ipv6_find_idev+0x102/0x170 [ 6674.536765][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6674.536765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.536765][ T10] netlink_rcv_skb+0x130/0x360 [ 6674.536765][ T10] netlink_unicast+0x449/0x710 [ 6674.536765][ T10] netlink_sendmsg+0x723/0xbe0 [ 6674.536765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6674.536765][ T10] ___sys_sendmsg+0xee/0x170 [ 6674.536765][ T10] __sys_sendmsg+0xcd/0x170 [ 6674.536765][ T10] do_syscall_64+0xc6/0x1e0 [ 6674.536765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.536765][ T10] [ 6674.538649][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6674.538913][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6674.538913][ T10] netdev_get_by_index+0x5e/0x80 [ 6674.538913][ T10] fib6_nh_init+0x3d8/0x1580 [ 6674.538913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6674.538913][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6674.538913][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6674.538913][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6674.538913][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6674.538913][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6674.538913][ T10] addrconf_dad_begin+0x310/0x670 [ 6674.538913][ T10] addrconf_dad_work+0x10b/0xab0 [ 6674.538913][ T10] process_one_work+0x84d/0x18a0 [ 6674.538913][ T10] worker_thread+0x587/0xd30 [ 6674.538913][ T10] kthread+0x28a/0x350 [ 6674.538913][ T10] ret_from_fork+0x31/0x70 [ 6674.538913][ T10] ret_from_fork_asm+0x1a/0x30 [ 6674.538913][ T10] [ 6674.541043][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6674.541043][ T10] netdev_get_by_index+0x5e/0x80 [ 6674.541043][ T10] fib6_nh_init+0x3d8/0x1580 [ 6674.541043][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6674.541043][ T10] ip6_route_add+0x1c/0x140 [ 6674.541043][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6674.541043][ T10] inet6_addr_add+0x4f8/0xa40 [ 6674.541043][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6674.541043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.541043][ T10] netlink_rcv_skb+0x130/0x360 [ 6674.541043][ T10] netlink_unicast+0x449/0x710 [ 6674.541043][ T10] netlink_sendmsg+0x723/0xbe0 [ 6674.541043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6674.541043][ T10] ___sys_sendmsg+0xee/0x170 [ 6674.541043][ T10] __sys_sendmsg+0xcd/0x170 [ 6674.541043][ T10] do_syscall_64+0xc6/0x1e0 [ 6674.541043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.541043][ T10] [ 6674.543402][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6674.543402][ T10] netdev_get_by_index+0x5e/0x80 [ 6674.543402][ T10] fib6_nh_init+0x3d8/0x1580 [ 6674.543402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6674.543402][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6674.543402][ T10] ipv6_add_addr+0x411/0x2000 [ 6674.543402][ T10] inet6_addr_add+0x30e/0xa40 [ 6674.543402][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6674.543402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.543402][ T10] netlink_rcv_skb+0x130/0x360 [ 6674.543402][ T10] netlink_unicast+0x449/0x710 [ 6674.543402][ T10] netlink_sendmsg+0x723/0xbe0 [ 6674.543402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6674.543402][ T10] ___sys_sendmsg+0xee/0x170 [ 6674.543402][ T10] __sys_sendmsg+0xcd/0x170 [ 6674.543402][ T10] do_syscall_64+0xc6/0x1e0 [ 6674.543402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.543402][ T10] [ 6674.545757][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6674.545757][ T10] netdev_get_by_index+0x5e/0x80 [ 6674.545757][ T10] fib6_nh_init+0x3d8/0x1580 [ 6674.545757][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6674.545757][ T10] ip6_route_add+0x1c/0x140 [ 6674.545757][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6674.545757][ T10] addrconf_add_dev+0xe2/0x170 [ 6674.545757][ T10] inet6_addr_add+0x12f/0xa40 [ 6674.545757][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6674.545757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.545757][ T10] netlink_rcv_skb+0x130/0x360 [ 6674.545757][ T10] netlink_unicast+0x449/0x710 [ 6674.545757][ T10] netlink_sendmsg+0x723/0xbe0 [ 6674.545757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6674.545757][ T10] ___sys_sendmsg+0xee/0x170 [ 6674.545757][ T10] __sys_sendmsg+0xcd/0x170 [ 6674.545757][ T10] do_syscall_64+0xc6/0x1e0 [ 6674.545757][ T10] [ 6674.548088][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6674.548088][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6674.548088][ T10] ipv6_find_idev+0x102/0x170 [ 6674.548088][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6674.548088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.548088][ T10] netlink_rcv_skb+0x130/0x360 [ 6674.548088][ T10] netlink_unicast+0x449/0x710 [ 6674.548088][ T10] netlink_sendmsg+0x723/0xbe0 [ 6674.548088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6674.548088][ T10] ___sys_sendmsg+0xee/0x170 [ 6674.548088][ T10] __sys_sendmsg+0xcd/0x170 [ 6674.548088][ T10] do_syscall_64+0xc6/0x1e0 [ 6674.548088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.548088][ T10] [ 6674.549869][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6674.549869][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6674.549869][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6674.549869][ T10] ipv6_find_idev+0x102/0x170 [ 6674.549869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6674.549869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.549869][ T10] netlink_rcv_skb+0x130/0x360 [ 6674.549869][ T10] netlink_unicast+0x449/0x710 [ 6674.549869][ T10] netlink_sendmsg+0x723/0xbe0 [ 6674.549869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6674.549869][ T10] ___sys_sendmsg+0xee/0x170 [ 6674.549869][ T10] __sys_sendmsg+0xcd/0x170 [ 6674.549869][ T10] do_syscall_64+0xc6/0x1e0 [ 6674.549869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.549869][ T10] [ 6674.551877][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6674.552568][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6674.552568][ T10] netdev_get_by_index+0x5e/0x80 [ 6674.552568][ T10] fib6_nh_init+0x3d8/0x1580 [ 6674.552568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6674.552568][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6674.552568][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6674.552568][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6674.552568][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6674.552568][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6674.552568][ T10] addrconf_dad_begin+0x310/0x670 [ 6674.552568][ T10] addrconf_dad_work+0x10b/0xab0 [ 6674.552568][ T10] process_one_work+0x84d/0x18a0 [ 6674.552568][ T10] worker_thread+0x587/0xd30 [ 6674.552568][ T10] kthread+0x28a/0x350 [ 6674.552568][ T10] ret_from_fork+0x31/0x70 [ 6674.552568][ T10] ret_from_fork_asm+0x1a/0x30 [ 6674.552568][ T10] [ 6674.554697][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6674.554697][ T10] netdev_get_by_index+0x5e/0x80 [ 6674.554697][ T10] fib6_nh_init+0x3d8/0x1580 [ 6674.554697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6674.554697][ T10] ip6_route_add+0x1c/0x140 [ 6674.554697][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6674.554697][ T10] inet6_addr_add+0x4f8/0xa40 [ 6674.554697][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6674.554697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.554697][ T10] netlink_rcv_skb+0x130/0x360 [ 6674.554697][ T10] netlink_unicast+0x449/0x710 [ 6674.554697][ T10] netlink_sendmsg+0x723/0xbe0 [ 6674.554697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6674.554697][ T10] ___sys_sendmsg+0xee/0x170 [ 6674.554697][ T10] __sys_sendmsg+0xcd/0x170 [ 6674.554697][ T10] do_syscall_64+0xc6/0x1e0 [ 6674.554697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.554697][ T10] [ 6674.556992][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6674.556992][ T10] netdev_get_by_index+0x5e/0x80 [ 6674.556992][ T10] fib6_nh_init+0x3d8/0x1580 [ 6674.556992][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6674.556992][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6674.556992][ T10] ipv6_add_addr+0x411/0x2000 [ 6674.556992][ T10] inet6_addr_add+0x30e/0xa40 [ 6674.556992][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6674.556992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.556992][ T10] netlink_rcv_skb+0x130/0x360 [ 6674.556992][ T10] netlink_unicast+0x449/0x710 [ 6674.556992][ T10] netlink_sendmsg+0x723/0xbe0 [ 6674.556992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6674.556992][ T10] ___sys_sendmsg+0xee/0x170 [ 6674.556992][ T10] __sys_sendmsg+0xcd/0x170 [ 6674.556992][ T10] do_syscall_64+0xc6/0x1e0 [ 6674.556992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.556992][ T10] [ 6674.559354][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6674.559354][ T10] netdev_get_by_index+0x5e/0x80 [ 6674.559354][ T10] fib6_nh_init+0x3d8/0x1580 [ 6674.559354][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6674.559354][ T10] ip6_route_add+0x1c/0x140 [ 6674.559354][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6674.559354][ T10] addrconf_add_dev+0xe2/0x170 [ 6674.559354][ T10] inet6_addr_add+0x12f/0xa40 [ 6674.559354][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6674.559354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.559354][ T10] netlink_rcv_skb+0x130/0x360 [ 6674.559354][ T10] netlink_unicast+0x449/0x710 [ 6674.559354][ T10] netlink_sendmsg+0x723/0xbe0 [ 6674.559354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6674.559354][ T10] ___sys_sendmsg+0xee/0x170 [ 6674.559354][ T10] __sys_sendmsg+0xcd/0x170 [ 6674.559354][ T10] do_syscall_64+0xc6/0x1e0 [ 6674.559354][ T10] [ 6674.561729][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6674.561729][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6674.561729][ T10] ipv6_find_idev+0x102/0x170 [ 6674.561729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6674.561729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.561729][ T10] netlink_rcv_skb+0x130/0x360 [ 6674.561729][ T10] netlink_unicast+0x449/0x710 [ 6674.561729][ T10] netlink_sendmsg+0x723/0xbe0 [ 6674.561729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6674.561729][ T10] ___sys_sendmsg+0xee/0x170 [ 6674.561729][ T10] __sys_sendmsg+0xcd/0x170 [ 6674.561729][ T10] do_syscall_64+0xc6/0x1e0 [ 6674.561729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.561729][ T10] [ 6674.563507][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6674.563507][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6674.563507][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6674.563507][ T10] ipv6_find_idev+0x102/0x170 [ 6674.563507][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6674.563507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6674.563507][ T10] netlink_rcv_skb+0x130/0x360 [ 6674.563507][ T10] netlink_unicast+0x449/0x710 [ 6674.563507][ T10] netlink_sendmsg+0x723/0xbe0 [ 6674.563507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6674.563507][ T10] ___sys_sendmsg+0xee/0x170 [ 6674.563507][ T10] __sys_sendmsg+0xcd/0x170 [ 6674.563507][ T10] do_syscall_64+0xc6/0x1e0 [ 6674.563507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6674.563507][ T10] [ 6682.097125][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6682.097589][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6682.097589][ T1167] dst_init+0x84/0x4a0 [ 6682.097589][ T1167] dst_alloc+0x97/0x150 [ 6682.097589][ T1167] ip6_dst_alloc+0x23/0x90 [ 6682.097589][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6682.097589][ T1167] ip6_pol_route+0x56f/0x840 [ 6682.097589][ T1167] fib6_rule_lookup+0x334/0x630 [ 6682.097589][ T1167] ip6_route_output_flags+0x259/0x480 [ 6682.097589][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6682.097589][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6682.097589][ T1167] netlink_rcv_skb+0x130/0x360 [ 6682.097589][ T1167] netlink_unicast+0x449/0x710 [ 6682.097589][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6682.097589][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6682.097589][ T1167] ___sys_sendmsg+0xee/0x170 [ 6682.097589][ T1167] __sys_sendmsg+0xcd/0x170 [ 6682.097589][ T1167] do_syscall_64+0xc6/0x1e0 [ 6682.097589][ T1167] [ 6682.099815][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6682.099815][ T1167] netdev_get_by_index+0x5e/0x80 [ 6682.099815][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6682.099815][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6682.099815][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6682.099815][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6682.099815][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6682.099815][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6682.099815][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6682.099815][ T1167] addrconf_dad_begin+0x310/0x670 [ 6682.099815][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6682.099815][ T1167] process_one_work+0x84d/0x18a0 [ 6682.099815][ T1167] worker_thread+0x587/0xd30 [ 6682.099815][ T1167] kthread+0x28a/0x350 [ 6682.099815][ T1167] ret_from_fork+0x31/0x70 [ 6682.099815][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6682.099815][ T1167] [ 6682.101959][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6682.101959][ T1167] netdev_get_by_index+0x5e/0x80 [ 6682.101959][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6682.101959][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6682.101959][ T1167] ip6_route_add+0x1c/0x140 [ 6682.101959][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6682.101959][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6682.101959][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6682.101959][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6682.101959][ T1167] netlink_rcv_skb+0x130/0x360 [ 6682.101959][ T1167] netlink_unicast+0x449/0x710 [ 6682.101959][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6682.101959][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6682.101959][ T1167] ___sys_sendmsg+0xee/0x170 [ 6682.101959][ T1167] __sys_sendmsg+0xcd/0x170 [ 6682.101959][ T1167] do_syscall_64+0xc6/0x1e0 [ 6682.101959][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6682.101959][ T1167] [ 6682.104209][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6682.104209][ T1167] netdev_get_by_index+0x5e/0x80 [ 6682.104209][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6682.104209][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6682.104209][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6682.104209][ T1167] ipv6_add_addr+0x411/0x2000 [ 6682.104209][ T1167] inet6_addr_add+0x30e/0xa40 [ 6682.104209][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6682.104209][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6682.104209][ T1167] netlink_rcv_skb+0x130/0x360 [ 6682.104209][ T1167] netlink_unicast+0x449/0x710 [ 6682.104209][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6682.104209][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6682.104209][ T1167] ___sys_sendmsg+0xee/0x170 [ 6682.104209][ T1167] __sys_sendmsg+0xcd/0x170 [ 6682.104209][ T1167] do_syscall_64+0xc6/0x1e0 [ 6682.104209][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6682.104209][ T1167] [ 6682.106449][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6682.106449][ T1167] netdev_get_by_index+0x5e/0x80 [ 6682.106449][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6682.106449][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6682.106449][ T1167] ip6_route_add+0x1c/0x140 [ 6682.106449][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6682.106449][ T1167] addrconf_add_dev+0xe2/0x170 [ 6682.106449][ T1167] inet6_addr_add+0x12f/0xa40 [ 6682.106449][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6682.106449][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6682.106449][ T1167] netlink_rcv_skb+0x130/0x360 [ 6682.106449][ T1167] netlink_unicast+0x449/0x710 [ 6682.106449][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6682.106449][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6682.106449][ T1167] ___sys_sendmsg+0xee/0x170 [ 6682.106449][ T1167] __sys_sendmsg+0xcd/0x170 [ 6682.106449][ T1167] do_syscall_64+0xc6/0x1e0 [ 6682.106449][ T1167] [ 6682.108657][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6682.108657][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6682.108657][ T1167] ipv6_find_idev+0x102/0x170 [ 6682.108657][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6682.108657][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6682.108657][ T1167] netlink_rcv_skb+0x130/0x360 [ 6682.108657][ T1167] netlink_unicast+0x449/0x710 [ 6682.108657][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6682.108657][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6682.108657][ T1167] ___sys_sendmsg+0xee/0x170 [ 6682.108657][ T1167] __sys_sendmsg+0xcd/0x170 [ 6682.108657][ T1167] do_syscall_64+0xc6/0x1e0 [ 6682.108657][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6682.108657][ T1167] [ 6682.110393][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6682.110393][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6682.110393][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6682.110393][ T1167] ipv6_find_idev+0x102/0x170 [ 6682.110393][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6682.110393][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6682.110393][ T1167] netlink_rcv_skb+0x130/0x360 [ 6682.110393][ T1167] netlink_unicast+0x449/0x710 [ 6682.110393][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6682.110393][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6682.110393][ T1167] ___sys_sendmsg+0xee/0x170 [ 6682.110393][ T1167] __sys_sendmsg+0xcd/0x170 [ 6682.110393][ T1167] do_syscall_64+0xc6/0x1e0 [ 6682.110393][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6682.110393][ T1167] [ 6684.801102][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6684.801537][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6684.801537][ T10] netdev_get_by_index+0x5e/0x80 [ 6684.801537][ T10] fib6_nh_init+0x3d8/0x1580 [ 6684.801537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6684.801537][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6684.801537][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6684.801537][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6684.801537][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6684.801537][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6684.801537][ T10] addrconf_dad_begin+0x310/0x670 [ 6684.801537][ T10] addrconf_dad_work+0x10b/0xab0 [ 6684.801537][ T10] process_one_work+0x84d/0x18a0 [ 6684.801537][ T10] worker_thread+0x587/0xd30 [ 6684.801537][ T10] kthread+0x28a/0x350 [ 6684.801537][ T10] ret_from_fork+0x31/0x70 [ 6684.801537][ T10] ret_from_fork_asm+0x1a/0x30 [ 6684.801537][ T10] [ 6684.803678][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6684.803678][ T10] netdev_get_by_index+0x5e/0x80 [ 6684.803678][ T10] fib6_nh_init+0x3d8/0x1580 [ 6684.803678][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6684.803678][ T10] ip6_route_add+0x1c/0x140 [ 6684.803678][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6684.803678][ T10] inet6_addr_add+0x4f8/0xa40 [ 6684.803678][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6684.803678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.803678][ T10] netlink_rcv_skb+0x130/0x360 [ 6684.803678][ T10] netlink_unicast+0x449/0x710 [ 6684.803678][ T10] netlink_sendmsg+0x723/0xbe0 [ 6684.803678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6684.803678][ T10] ___sys_sendmsg+0xee/0x170 [ 6684.803678][ T10] __sys_sendmsg+0xcd/0x170 [ 6684.803678][ T10] do_syscall_64+0xc6/0x1e0 [ 6684.803678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.803678][ T10] [ 6684.805922][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6684.805922][ T10] netdev_get_by_index+0x5e/0x80 [ 6684.805922][ T10] fib6_nh_init+0x3d8/0x1580 [ 6684.805922][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6684.805922][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6684.805922][ T10] ipv6_add_addr+0x411/0x2000 [ 6684.805922][ T10] inet6_addr_add+0x30e/0xa40 [ 6684.805922][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6684.805922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.805922][ T10] netlink_rcv_skb+0x130/0x360 [ 6684.805922][ T10] netlink_unicast+0x449/0x710 [ 6684.805922][ T10] netlink_sendmsg+0x723/0xbe0 [ 6684.805922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6684.805922][ T10] ___sys_sendmsg+0xee/0x170 [ 6684.805922][ T10] __sys_sendmsg+0xcd/0x170 [ 6684.805922][ T10] do_syscall_64+0xc6/0x1e0 [ 6684.805922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.805922][ T10] [ 6684.808137][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6684.808137][ T10] netdev_get_by_index+0x5e/0x80 [ 6684.808137][ T10] fib6_nh_init+0x3d8/0x1580 [ 6684.808137][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6684.808137][ T10] ip6_route_add+0x1c/0x140 [ 6684.808137][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6684.808137][ T10] addrconf_add_dev+0xe2/0x170 [ 6684.808137][ T10] inet6_addr_add+0x12f/0xa40 [ 6684.808137][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6684.808137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.808137][ T10] netlink_rcv_skb+0x130/0x360 [ 6684.808137][ T10] netlink_unicast+0x449/0x710 [ 6684.808137][ T10] netlink_sendmsg+0x723/0xbe0 [ 6684.808137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6684.808137][ T10] ___sys_sendmsg+0xee/0x170 [ 6684.808137][ T10] __sys_sendmsg+0xcd/0x170 [ 6684.808137][ T10] do_syscall_64+0xc6/0x1e0 [ 6684.808137][ T10] [ 6684.810303][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6684.810303][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6684.810303][ T10] ipv6_find_idev+0x102/0x170 [ 6684.810303][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6684.810303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.810303][ T10] netlink_rcv_skb+0x130/0x360 [ 6684.810303][ T10] netlink_unicast+0x449/0x710 [ 6684.810303][ T10] netlink_sendmsg+0x723/0xbe0 [ 6684.810303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6684.810303][ T10] ___sys_sendmsg+0xee/0x170 [ 6684.810303][ T10] __sys_sendmsg+0xcd/0x170 [ 6684.810303][ T10] do_syscall_64+0xc6/0x1e0 [ 6684.810303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.810303][ T10] [ 6684.812003][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6684.812003][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6684.812003][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6684.812003][ T10] ipv6_find_idev+0x102/0x170 [ 6684.812003][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6684.812003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.812003][ T10] netlink_rcv_skb+0x130/0x360 [ 6684.812003][ T10] netlink_unicast+0x449/0x710 [ 6684.812003][ T10] netlink_sendmsg+0x723/0xbe0 [ 6684.812003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6684.812003][ T10] ___sys_sendmsg+0xee/0x170 [ 6684.812003][ T10] __sys_sendmsg+0xcd/0x170 [ 6684.812003][ T10] do_syscall_64+0xc6/0x1e0 [ 6684.812003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.812003][ T10] [ 6684.813873][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6684.814153][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6684.814153][ T10] netdev_get_by_index+0x5e/0x80 [ 6684.814153][ T10] fib6_nh_init+0x3d8/0x1580 [ 6684.814153][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6684.814153][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6684.814153][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6684.814153][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6684.814153][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6684.814153][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6684.814153][ T10] addrconf_dad_begin+0x310/0x670 [ 6684.814153][ T10] addrconf_dad_work+0x10b/0xab0 [ 6684.814153][ T10] process_one_work+0x84d/0x18a0 [ 6684.814153][ T10] worker_thread+0x587/0xd30 [ 6684.814153][ T10] kthread+0x28a/0x350 [ 6684.814153][ T10] ret_from_fork+0x31/0x70 [ 6684.814153][ T10] ret_from_fork_asm+0x1a/0x30 [ 6684.814153][ T10] [ 6684.816278][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6684.816278][ T10] netdev_get_by_index+0x5e/0x80 [ 6684.816278][ T10] fib6_nh_init+0x3d8/0x1580 [ 6684.816278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6684.816278][ T10] ip6_route_add+0x1c/0x140 [ 6684.816278][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6684.816278][ T10] inet6_addr_add+0x4f8/0xa40 [ 6684.816278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6684.816278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.816278][ T10] netlink_rcv_skb+0x130/0x360 [ 6684.816278][ T10] netlink_unicast+0x449/0x710 [ 6684.816278][ T10] netlink_sendmsg+0x723/0xbe0 [ 6684.816278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6684.816278][ T10] ___sys_sendmsg+0xee/0x170 [ 6684.816278][ T10] __sys_sendmsg+0xcd/0x170 [ 6684.816278][ T10] do_syscall_64+0xc6/0x1e0 [ 6684.816278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.816278][ T10] [ 6684.818503][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6684.818503][ T10] netdev_get_by_index+0x5e/0x80 [ 6684.818503][ T10] fib6_nh_init+0x3d8/0x1580 [ 6684.818503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6684.818503][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6684.818503][ T10] ipv6_add_addr+0x411/0x2000 [ 6684.818503][ T10] inet6_addr_add+0x30e/0xa40 [ 6684.818503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6684.818503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.818503][ T10] netlink_rcv_skb+0x130/0x360 [ 6684.818503][ T10] netlink_unicast+0x449/0x710 [ 6684.818503][ T10] netlink_sendmsg+0x723/0xbe0 [ 6684.818503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6684.818503][ T10] ___sys_sendmsg+0xee/0x170 [ 6684.818503][ T10] __sys_sendmsg+0xcd/0x170 [ 6684.818503][ T10] do_syscall_64+0xc6/0x1e0 [ 6684.818503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.818503][ T10] [ 6684.820726][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6684.820726][ T10] netdev_get_by_index+0x5e/0x80 [ 6684.820726][ T10] fib6_nh_init+0x3d8/0x1580 [ 6684.820726][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6684.820726][ T10] ip6_route_add+0x1c/0x140 [ 6684.820726][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6684.820726][ T10] addrconf_add_dev+0xe2/0x170 [ 6684.820726][ T10] inet6_addr_add+0x12f/0xa40 [ 6684.820726][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6684.820726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.820726][ T10] netlink_rcv_skb+0x130/0x360 [ 6684.820726][ T10] netlink_unicast+0x449/0x710 [ 6684.820726][ T10] netlink_sendmsg+0x723/0xbe0 [ 6684.820726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6684.820726][ T10] ___sys_sendmsg+0xee/0x170 [ 6684.820726][ T10] __sys_sendmsg+0xcd/0x170 [ 6684.820726][ T10] do_syscall_64+0xc6/0x1e0 [ 6684.820726][ T10] [ 6684.822910][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6684.822910][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6684.822910][ T10] ipv6_find_idev+0x102/0x170 [ 6684.822910][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6684.822910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.822910][ T10] netlink_rcv_skb+0x130/0x360 [ 6684.822910][ T10] netlink_unicast+0x449/0x710 [ 6684.822910][ T10] netlink_sendmsg+0x723/0xbe0 [ 6684.822910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6684.822910][ T10] ___sys_sendmsg+0xee/0x170 [ 6684.822910][ T10] __sys_sendmsg+0xcd/0x170 [ 6684.822910][ T10] do_syscall_64+0xc6/0x1e0 [ 6684.822910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.822910][ T10] [ 6684.824611][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6684.824611][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6684.824611][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6684.824611][ T10] ipv6_find_idev+0x102/0x170 [ 6684.824611][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6684.824611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.824611][ T10] netlink_rcv_skb+0x130/0x360 [ 6684.824611][ T10] netlink_unicast+0x449/0x710 [ 6684.824611][ T10] netlink_sendmsg+0x723/0xbe0 [ 6684.824611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6684.824611][ T10] ___sys_sendmsg+0xee/0x170 [ 6684.824611][ T10] __sys_sendmsg+0xcd/0x170 [ 6684.824611][ T10] do_syscall_64+0xc6/0x1e0 [ 6684.824611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.824611][ T10] [ 6684.826472][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6684.826730][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6684.826730][ T10] netdev_get_by_index+0x5e/0x80 [ 6684.826730][ T10] fib6_nh_init+0x3d8/0x1580 [ 6684.826730][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6684.826730][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6684.826730][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6684.826730][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6684.826730][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6684.826730][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6684.826730][ T10] addrconf_dad_begin+0x310/0x670 [ 6684.826730][ T10] addrconf_dad_work+0x10b/0xab0 [ 6684.826730][ T10] process_one_work+0x84d/0x18a0 [ 6684.826730][ T10] worker_thread+0x587/0xd30 [ 6684.826730][ T10] kthread+0x28a/0x350 [ 6684.826730][ T10] ret_from_fork+0x31/0x70 [ 6684.826730][ T10] ret_from_fork_asm+0x1a/0x30 [ 6684.826730][ T10] [ 6684.828848][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6684.828848][ T10] netdev_get_by_index+0x5e/0x80 [ 6684.828848][ T10] fib6_nh_init+0x3d8/0x1580 [ 6684.828848][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6684.828848][ T10] ip6_route_add+0x1c/0x140 [ 6684.828848][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6684.828848][ T10] inet6_addr_add+0x4f8/0xa40 [ 6684.828848][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6684.828848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.828848][ T10] netlink_rcv_skb+0x130/0x360 [ 6684.828848][ T10] netlink_unicast+0x449/0x710 [ 6684.828848][ T10] netlink_sendmsg+0x723/0xbe0 [ 6684.828848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6684.828848][ T10] ___sys_sendmsg+0xee/0x170 [ 6684.828848][ T10] __sys_sendmsg+0xcd/0x170 [ 6684.828848][ T10] do_syscall_64+0xc6/0x1e0 [ 6684.828848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.828848][ T10] [ 6684.831243][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6684.831243][ T10] netdev_get_by_index+0x5e/0x80 [ 6684.831243][ T10] fib6_nh_init+0x3d8/0x1580 [ 6684.831243][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6684.831243][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6684.831243][ T10] ipv6_add_addr+0x411/0x2000 [ 6684.831243][ T10] inet6_addr_add+0x30e/0xa40 [ 6684.831243][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6684.831243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.831243][ T10] netlink_rcv_skb+0x130/0x360 [ 6684.831243][ T10] netlink_unicast+0x449/0x710 [ 6684.831243][ T10] netlink_sendmsg+0x723/0xbe0 [ 6684.831243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6684.831243][ T10] ___sys_sendmsg+0xee/0x170 [ 6684.831243][ T10] __sys_sendmsg+0xcd/0x170 [ 6684.831243][ T10] do_syscall_64+0xc6/0x1e0 [ 6684.831243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.831243][ T10] [ 6684.833761][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6684.833761][ T10] netdev_get_by_index+0x5e/0x80 [ 6684.833761][ T10] fib6_nh_init+0x3d8/0x1580 [ 6684.833761][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6684.833761][ T10] ip6_route_add+0x1c/0x140 [ 6684.833761][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6684.833761][ T10] addrconf_add_dev+0xe2/0x170 [ 6684.833761][ T10] inet6_addr_add+0x12f/0xa40 [ 6684.833761][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6684.833761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.833761][ T10] netlink_rcv_skb+0x130/0x360 [ 6684.833761][ T10] netlink_unicast+0x449/0x710 [ 6684.833761][ T10] netlink_sendmsg+0x723/0xbe0 [ 6684.833761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6684.833761][ T10] ___sys_sendmsg+0xee/0x170 [ 6684.833761][ T10] __sys_sendmsg+0xcd/0x170 [ 6684.833761][ T10] do_syscall_64+0xc6/0x1e0 [ 6684.833761][ T10] [ 6684.836176][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6684.836176][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6684.836176][ T10] ipv6_find_idev+0x102/0x170 [ 6684.836176][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6684.836176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.836176][ T10] netlink_rcv_skb+0x130/0x360 [ 6684.836176][ T10] netlink_unicast+0x449/0x710 [ 6684.836176][ T10] netlink_sendmsg+0x723/0xbe0 [ 6684.836176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6684.836176][ T10] ___sys_sendmsg+0xee/0x170 [ 6684.836176][ T10] __sys_sendmsg+0xcd/0x170 [ 6684.836176][ T10] do_syscall_64+0xc6/0x1e0 [ 6684.836176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.836176][ T10] [ 6684.838078][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6684.838078][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6684.838078][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6684.838078][ T10] ipv6_find_idev+0x102/0x170 [ 6684.838078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6684.838078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.838078][ T10] netlink_rcv_skb+0x130/0x360 [ 6684.838078][ T10] netlink_unicast+0x449/0x710 [ 6684.838078][ T10] netlink_sendmsg+0x723/0xbe0 [ 6684.838078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6684.838078][ T10] ___sys_sendmsg+0xee/0x170 [ 6684.838078][ T10] __sys_sendmsg+0xcd/0x170 [ 6684.838078][ T10] do_syscall_64+0xc6/0x1e0 [ 6684.838078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.838078][ T10] [ 6684.840086][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6684.840416][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6684.840416][ T10] netdev_get_by_index+0x5e/0x80 [ 6684.840416][ T10] fib6_nh_init+0x3d8/0x1580 [ 6684.840416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6684.840416][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6684.840416][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6684.840416][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6684.840416][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6684.840416][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6684.840416][ T10] addrconf_dad_begin+0x310/0x670 [ 6684.840416][ T10] addrconf_dad_work+0x10b/0xab0 [ 6684.840416][ T10] process_one_work+0x84d/0x18a0 [ 6684.840416][ T10] worker_thread+0x587/0xd30 [ 6684.840416][ T10] kthread+0x28a/0x350 [ 6684.840416][ T10] ret_from_fork+0x31/0x70 [ 6684.840416][ T10] ret_from_fork_asm+0x1a/0x30 [ 6684.840416][ T10] [ 6684.842718][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6684.842718][ T10] netdev_get_by_index+0x5e/0x80 [ 6684.842718][ T10] fib6_nh_init+0x3d8/0x1580 [ 6684.842718][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6684.842718][ T10] ip6_route_add+0x1c/0x140 [ 6684.842718][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6684.842718][ T10] inet6_addr_add+0x4f8/0xa40 [ 6684.842718][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6684.842718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.842718][ T10] netlink_rcv_skb+0x130/0x360 [ 6684.842718][ T10] netlink_unicast+0x449/0x710 [ 6684.842718][ T10] netlink_sendmsg+0x723/0xbe0 [ 6684.842718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6684.842718][ T10] ___sys_sendmsg+0xee/0x170 [ 6684.842718][ T10] __sys_sendmsg+0xcd/0x170 [ 6684.842718][ T10] do_syscall_64+0xc6/0x1e0 [ 6684.842718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.842718][ T10] [ 6684.845183][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6684.845183][ T10] netdev_get_by_index+0x5e/0x80 [ 6684.845183][ T10] fib6_nh_init+0x3d8/0x1580 [ 6684.845183][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6684.845183][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6684.845183][ T10] ipv6_add_addr+0x411/0x2000 [ 6684.845183][ T10] inet6_addr_add+0x30e/0xa40 [ 6684.845183][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6684.845183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.845183][ T10] netlink_rcv_skb+0x130/0x360 [ 6684.845183][ T10] netlink_unicast+0x449/0x710 [ 6684.845183][ T10] netlink_sendmsg+0x723/0xbe0 [ 6684.845183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6684.845183][ T10] ___sys_sendmsg+0xee/0x170 [ 6684.845183][ T10] __sys_sendmsg+0xcd/0x170 [ 6684.845183][ T10] do_syscall_64+0xc6/0x1e0 [ 6684.845183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.845183][ T10] [ 6684.847653][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6684.847653][ T10] netdev_get_by_index+0x5e/0x80 [ 6684.847653][ T10] fib6_nh_init+0x3d8/0x1580 [ 6684.847653][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6684.847653][ T10] ip6_route_add+0x1c/0x140 [ 6684.847653][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6684.847653][ T10] addrconf_add_dev+0xe2/0x170 [ 6684.847653][ T10] inet6_addr_add+0x12f/0xa40 [ 6684.847653][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6684.847653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.847653][ T10] netlink_rcv_skb+0x130/0x360 [ 6684.847653][ T10] netlink_unicast+0x449/0x710 [ 6684.847653][ T10] netlink_sendmsg+0x723/0xbe0 [ 6684.847653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6684.847653][ T10] ___sys_sendmsg+0xee/0x170 [ 6684.847653][ T10] __sys_sendmsg+0xcd/0x170 [ 6684.847653][ T10] do_syscall_64+0xc6/0x1e0 [ 6684.847653][ T10] [ 6684.850066][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6684.850066][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6684.850066][ T10] ipv6_find_idev+0x102/0x170 [ 6684.850066][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6684.850066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.850066][ T10] netlink_rcv_skb+0x130/0x360 [ 6684.850066][ T10] netlink_unicast+0x449/0x710 [ 6684.850066][ T10] netlink_sendmsg+0x723/0xbe0 [ 6684.850066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6684.850066][ T10] ___sys_sendmsg+0xee/0x170 [ 6684.850066][ T10] __sys_sendmsg+0xcd/0x170 [ 6684.850066][ T10] do_syscall_64+0xc6/0x1e0 [ 6684.850066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.850066][ T10] [ 6684.852019][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6684.852019][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6684.852019][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6684.852019][ T10] ipv6_find_idev+0x102/0x170 [ 6684.852019][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6684.852019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6684.852019][ T10] netlink_rcv_skb+0x130/0x360 [ 6684.852019][ T10] netlink_unicast+0x449/0x710 [ 6684.852019][ T10] netlink_sendmsg+0x723/0xbe0 [ 6684.852019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6684.852019][ T10] ___sys_sendmsg+0xee/0x170 [ 6684.852019][ T10] __sys_sendmsg+0xcd/0x170 [ 6684.852019][ T10] do_syscall_64+0xc6/0x1e0 [ 6684.852019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6684.852019][ T10] [ 6692.353128][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6692.353633][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6692.353633][ T1167] dst_init+0x84/0x4a0 [ 6692.353633][ T1167] dst_alloc+0x97/0x150 [ 6692.353633][ T1167] ip6_dst_alloc+0x23/0x90 [ 6692.353633][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6692.353633][ T1167] ip6_pol_route+0x56f/0x840 [ 6692.353633][ T1167] fib6_rule_lookup+0x334/0x630 [ 6692.353633][ T1167] ip6_route_output_flags+0x259/0x480 [ 6692.353633][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6692.353633][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6692.353633][ T1167] netlink_rcv_skb+0x130/0x360 [ 6692.353633][ T1167] netlink_unicast+0x449/0x710 [ 6692.353633][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6692.353633][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6692.353633][ T1167] ___sys_sendmsg+0xee/0x170 [ 6692.353633][ T1167] __sys_sendmsg+0xcd/0x170 [ 6692.353633][ T1167] do_syscall_64+0xc6/0x1e0 [ 6692.353633][ T1167] [ 6692.356063][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6692.356063][ T1167] netdev_get_by_index+0x5e/0x80 [ 6692.356063][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6692.356063][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6692.356063][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6692.356063][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6692.356063][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6692.356063][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6692.356063][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6692.356063][ T1167] addrconf_dad_begin+0x310/0x670 [ 6692.356063][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6692.356063][ T1167] process_one_work+0x84d/0x18a0 [ 6692.356063][ T1167] worker_thread+0x587/0xd30 [ 6692.356063][ T1167] kthread+0x28a/0x350 [ 6692.356063][ T1167] ret_from_fork+0x31/0x70 [ 6692.356063][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6692.356063][ T1167] [ 6692.358424][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6692.358424][ T1167] netdev_get_by_index+0x5e/0x80 [ 6692.358424][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6692.358424][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6692.358424][ T1167] ip6_route_add+0x1c/0x140 [ 6692.358424][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6692.358424][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6692.358424][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6692.358424][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6692.358424][ T1167] netlink_rcv_skb+0x130/0x360 [ 6692.358424][ T1167] netlink_unicast+0x449/0x710 [ 6692.358424][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6692.358424][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6692.358424][ T1167] ___sys_sendmsg+0xee/0x170 [ 6692.358424][ T1167] __sys_sendmsg+0xcd/0x170 [ 6692.358424][ T1167] do_syscall_64+0xc6/0x1e0 [ 6692.358424][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6692.358424][ T1167] [ 6692.360904][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6692.360904][ T1167] netdev_get_by_index+0x5e/0x80 [ 6692.360904][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6692.360904][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6692.360904][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6692.360904][ T1167] ipv6_add_addr+0x411/0x2000 [ 6692.360904][ T1167] inet6_addr_add+0x30e/0xa40 [ 6692.360904][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6692.360904][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6692.360904][ T1167] netlink_rcv_skb+0x130/0x360 [ 6692.360904][ T1167] netlink_unicast+0x449/0x710 [ 6692.360904][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6692.360904][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6692.360904][ T1167] ___sys_sendmsg+0xee/0x170 [ 6692.360904][ T1167] __sys_sendmsg+0xcd/0x170 [ 6692.360904][ T1167] do_syscall_64+0xc6/0x1e0 [ 6692.360904][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6692.360904][ T1167] [ 6692.363375][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6692.363375][ T1167] netdev_get_by_index+0x5e/0x80 [ 6692.363375][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6692.363375][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6692.363375][ T1167] ip6_route_add+0x1c/0x140 [ 6692.363375][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6692.363375][ T1167] addrconf_add_dev+0xe2/0x170 [ 6692.363375][ T1167] inet6_addr_add+0x12f/0xa40 [ 6692.363375][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6692.363375][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6692.363375][ T1167] netlink_rcv_skb+0x130/0x360 [ 6692.363375][ T1167] netlink_unicast+0x449/0x710 [ 6692.363375][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6692.363375][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6692.363375][ T1167] ___sys_sendmsg+0xee/0x170 [ 6692.363375][ T1167] __sys_sendmsg+0xcd/0x170 [ 6692.363375][ T1167] do_syscall_64+0xc6/0x1e0 [ 6692.363375][ T1167] [ 6692.365793][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6692.365793][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6692.365793][ T1167] ipv6_find_idev+0x102/0x170 [ 6692.365793][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6692.365793][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6692.365793][ T1167] netlink_rcv_skb+0x130/0x360 [ 6692.365793][ T1167] netlink_unicast+0x449/0x710 [ 6692.365793][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6692.365793][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6692.365793][ T1167] ___sys_sendmsg+0xee/0x170 [ 6692.365793][ T1167] __sys_sendmsg+0xcd/0x170 [ 6692.365793][ T1167] do_syscall_64+0xc6/0x1e0 [ 6692.365793][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6692.365793][ T1167] [ 6692.367703][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6692.367703][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6692.367703][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6692.367703][ T1167] ipv6_find_idev+0x102/0x170 [ 6692.367703][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6692.367703][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6692.367703][ T1167] netlink_rcv_skb+0x130/0x360 [ 6692.367703][ T1167] netlink_unicast+0x449/0x710 [ 6692.367703][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6692.367703][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6692.367703][ T1167] ___sys_sendmsg+0xee/0x170 [ 6692.367703][ T1167] __sys_sendmsg+0xcd/0x170 [ 6692.367703][ T1167] do_syscall_64+0xc6/0x1e0 [ 6692.367703][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6692.367703][ T1167] [ 6695.097110][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6695.097533][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6695.097533][ T10] netdev_get_by_index+0x5e/0x80 [ 6695.097533][ T10] fib6_nh_init+0x3d8/0x1580 [ 6695.097533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6695.097533][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6695.097533][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6695.097533][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6695.097533][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6695.097533][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6695.097533][ T10] addrconf_dad_begin+0x310/0x670 [ 6695.097533][ T10] addrconf_dad_work+0x10b/0xab0 [ 6695.097533][ T10] process_one_work+0x84d/0x18a0 [ 6695.097533][ T10] worker_thread+0x587/0xd30 [ 6695.097533][ T10] kthread+0x28a/0x350 [ 6695.097533][ T10] ret_from_fork+0x31/0x70 [ 6695.097533][ T10] ret_from_fork_asm+0x1a/0x30 [ 6695.097533][ T10] [ 6695.099688][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6695.099688][ T10] netdev_get_by_index+0x5e/0x80 [ 6695.099688][ T10] fib6_nh_init+0x3d8/0x1580 [ 6695.099688][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6695.099688][ T10] ip6_route_add+0x1c/0x140 [ 6695.099688][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6695.099688][ T10] inet6_addr_add+0x4f8/0xa40 [ 6695.099688][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6695.099688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6695.099688][ T10] netlink_rcv_skb+0x130/0x360 [ 6695.099688][ T10] netlink_unicast+0x449/0x710 [ 6695.099688][ T10] netlink_sendmsg+0x723/0xbe0 [ 6695.099688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6695.099688][ T10] ___sys_sendmsg+0xee/0x170 [ 6695.099688][ T10] __sys_sendmsg+0xcd/0x170 [ 6695.099688][ T10] do_syscall_64+0xc6/0x1e0 [ 6695.099688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6695.099688][ T10] [ 6695.101937][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6695.101937][ T10] netdev_get_by_index+0x5e/0x80 [ 6695.101937][ T10] fib6_nh_init+0x3d8/0x1580 [ 6695.101937][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6695.101937][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6695.101937][ T10] ipv6_add_addr+0x411/0x2000 [ 6695.101937][ T10] inet6_addr_add+0x30e/0xa40 [ 6695.101937][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6695.101937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6695.101937][ T10] netlink_rcv_skb+0x130/0x360 [ 6695.101937][ T10] netlink_unicast+0x449/0x710 [ 6695.101937][ T10] netlink_sendmsg+0x723/0xbe0 [ 6695.101937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6695.101937][ T10] ___sys_sendmsg+0xee/0x170 [ 6695.101937][ T10] __sys_sendmsg+0xcd/0x170 [ 6695.101937][ T10] do_syscall_64+0xc6/0x1e0 [ 6695.101937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6695.101937][ T10] [ 6695.104178][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6695.104178][ T10] netdev_get_by_index+0x5e/0x80 [ 6695.104178][ T10] fib6_nh_init+0x3d8/0x1580 [ 6695.104178][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6695.104178][ T10] ip6_route_add+0x1c/0x140 [ 6695.104178][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6695.104178][ T10] addrconf_add_dev+0xe2/0x170 [ 6695.104178][ T10] inet6_addr_add+0x12f/0xa40 [ 6695.104178][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6695.104178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6695.104178][ T10] netlink_rcv_skb+0x130/0x360 [ 6695.104178][ T10] netlink_unicast+0x449/0x710 [ 6695.104178][ T10] netlink_sendmsg+0x723/0xbe0 [ 6695.104178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6695.104178][ T10] ___sys_sendmsg+0xee/0x170 [ 6695.104178][ T10] __sys_sendmsg+0xcd/0x170 [ 6695.104178][ T10] do_syscall_64+0xc6/0x1e0 [ 6695.104178][ T10] [ 6695.106373][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6695.106373][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6695.106373][ T10] ipv6_find_idev+0x102/0x170 [ 6695.106373][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6695.106373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6695.106373][ T10] netlink_rcv_skb+0x130/0x360 [ 6695.106373][ T10] netlink_unicast+0x449/0x710 [ 6695.106373][ T10] netlink_sendmsg+0x723/0xbe0 [ 6695.106373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6695.106373][ T10] ___sys_sendmsg+0xee/0x170 [ 6695.106373][ T10] __sys_sendmsg+0xcd/0x170 [ 6695.106373][ T10] do_syscall_64+0xc6/0x1e0 [ 6695.106373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6695.106373][ T10] [ 6695.108100][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6695.108100][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6695.108100][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6695.108100][ T10] ipv6_find_idev+0x102/0x170 [ 6695.108100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6695.108100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6695.108100][ T10] netlink_rcv_skb+0x130/0x360 [ 6695.108100][ T10] netlink_unicast+0x449/0x710 [ 6695.108100][ T10] netlink_sendmsg+0x723/0xbe0 [ 6695.108100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6695.108100][ T10] ___sys_sendmsg+0xee/0x170 [ 6695.108100][ T10] __sys_sendmsg+0xcd/0x170 [ 6695.108100][ T10] do_syscall_64+0xc6/0x1e0 [ 6695.108100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6695.108100][ T10] [ 6695.109970][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6695.110254][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6695.110254][ T10] netdev_get_by_index+0x5e/0x80 [ 6695.110254][ T10] fib6_nh_init+0x3d8/0x1580 [ 6695.110254][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6695.110254][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6695.110254][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6695.110254][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6695.110254][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6695.110254][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6695.110254][ T10] addrconf_dad_begin+0x310/0x670 [ 6695.110254][ T10] addrconf_dad_work+0x10b/0xab0 [ 6695.110254][ T10] process_one_work+0x84d/0x18a0 [ 6695.110254][ T10] worker_thread+0x587/0xd30 [ 6695.110254][ T10] kthread+0x28a/0x350 [ 6695.110254][ T10] ret_from_fork+0x31/0x70 [ 6695.110254][ T10] ret_from_fork_asm+0x1a/0x30 [ 6695.110254][ T10] [ 6695.112376][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6695.112376][ T10] netdev_get_by_index+0x5e/0x80 [ 6695.112376][ T10] fib6_nh_init+0x3d8/0x1580 [ 6695.112376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6695.112376][ T10] ip6_route_add+0x1c/0x140 [ 6695.112376][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6695.112376][ T10] inet6_addr_add+0x4f8/0xa40 [ 6695.112376][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6695.112376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6695.112376][ T10] netlink_rcv_skb+0x130/0x360 [ 6695.112376][ T10] netlink_unicast+0x449/0x710 [ 6695.112376][ T10] netlink_sendmsg+0x723/0xbe0 [ 6695.112376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6695.112376][ T10] ___sys_sendmsg+0xee/0x170 [ 6695.112376][ T10] __sys_sendmsg+0xcd/0x170 [ 6695.112376][ T10] do_syscall_64+0xc6/0x1e0 [ 6695.112376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6695.112376][ T10] [ 6695.114605][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6695.114605][ T10] netdev_get_by_index+0x5e/0x80 [ 6695.114605][ T10] fib6_nh_init+0x3d8/0x1580 [ 6695.114605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6695.114605][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6695.114605][ T10] ipv6_add_addr+0x411/0x2000 [ 6695.114605][ T10] inet6_addr_add+0x30e/0xa40 [ 6695.114605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6695.114605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6695.114605][ T10] netlink_rcv_skb+0x130/0x360 [ 6695.114605][ T10] netlink_unicast+0x449/0x710 [ 6695.114605][ T10] netlink_sendmsg+0x723/0xbe0 [ 6695.114605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6695.114605][ T10] ___sys_sendmsg+0xee/0x170 [ 6695.114605][ T10] __sys_sendmsg+0xcd/0x170 [ 6695.114605][ T10] do_syscall_64+0xc6/0x1e0 [ 6695.114605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6695.114605][ T10] [ 6695.116838][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6695.116838][ T10] netdev_get_by_index+0x5e/0x80 [ 6695.116838][ T10] fib6_nh_init+0x3d8/0x1580 [ 6695.116838][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6695.116838][ T10] ip6_route_add+0x1c/0x140 [ 6695.116838][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6695.116838][ T10] addrconf_add_dev+0xe2/0x170 [ 6695.116838][ T10] inet6_addr_add+0x12f/0xa40 [ 6695.116838][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6695.116838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6695.116838][ T10] netlink_rcv_skb+0x130/0x360 [ 6695.116838][ T10] netlink_unicast+0x449/0x710 [ 6695.116838][ T10] netlink_sendmsg+0x723/0xbe0 [ 6695.116838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6695.116838][ T10] ___sys_sendmsg+0xee/0x170 [ 6695.116838][ T10] __sys_sendmsg+0xcd/0x170 [ 6695.116838][ T10] do_syscall_64+0xc6/0x1e0 [ 6695.116838][ T10] [ 6695.119010][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6695.119010][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6695.119010][ T10] ipv6_find_idev+0x102/0x170 [ 6695.119010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6695.119010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6695.119010][ T10] netlink_rcv_skb+0x130/0x360 [ 6695.119010][ T10] netlink_unicast+0x449/0x710 [ 6695.119010][ T10] netlink_sendmsg+0x723/0xbe0 [ 6695.119010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6695.119010][ T10] ___sys_sendmsg+0xee/0x170 [ 6695.119010][ T10] __sys_sendmsg+0xcd/0x170 [ 6695.119010][ T10] do_syscall_64+0xc6/0x1e0 [ 6695.119010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6695.119010][ T10] [ 6695.120711][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6695.120711][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6695.120711][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6695.120711][ T10] ipv6_find_idev+0x102/0x170 [ 6695.120711][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6695.120711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6695.120711][ T10] netlink_rcv_skb+0x130/0x360 [ 6695.120711][ T10] netlink_unicast+0x449/0x710 [ 6695.120711][ T10] netlink_sendmsg+0x723/0xbe0 [ 6695.120711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6695.120711][ T10] ___sys_sendmsg+0xee/0x170 [ 6695.120711][ T10] __sys_sendmsg+0xcd/0x170 [ 6695.120711][ T10] do_syscall_64+0xc6/0x1e0 [ 6695.120711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6695.120711][ T10] [ 6695.122579][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6695.122841][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6695.122841][ T10] netdev_get_by_index+0x5e/0x80 [ 6695.122841][ T10] fib6_nh_init+0x3d8/0x1580 [ 6695.122841][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6695.122841][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6695.122841][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6695.122841][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6695.122841][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6695.122841][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6695.122841][ T10] addrconf_dad_begin+0x310/0x670 [ 6695.122841][ T10] addrconf_dad_work+0x10b/0xab0 [ 6695.122841][ T10] process_one_work+0x84d/0x18a0 [ 6695.122841][ T10] worker_thread+0x587/0xd30 [ 6695.122841][ T10] kthread+0x28a/0x350 [ 6695.122841][ T10] ret_from_fork+0x31/0x70 [ 6695.122841][ T10] ret_from_fork_asm+0x1a/0x30 [ 6695.122841][ T10] [ 6695.124970][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6695.124970][ T10] netdev_get_by_index+0x5e/0x80 [ 6695.124970][ T10] fib6_nh_init+0x3d8/0x1580 [ 6695.124970][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6695.124970][ T10] ip6_route_add+0x1c/0x140 [ 6695.124970][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6695.124970][ T10] inet6_addr_add+0x4f8/0xa40 [ 6695.124970][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6695.124970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6695.124970][ T10] netlink_rcv_skb+0x130/0x360 [ 6695.124970][ T10] netlink_unicast+0x449/0x710 [ 6695.124970][ T10] netlink_sendmsg+0x723/0xbe0 [ 6695.124970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6695.124970][ T10] ___sys_sendmsg+0xee/0x170 [ 6695.124970][ T10] __sys_sendmsg+0xcd/0x170 [ 6695.124970][ T10] do_syscall_64+0xc6/0x1e0 [ 6695.124970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6695.124970][ T10] [ 6695.127446][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6695.127446][ T10] netdev_get_by_index+0x5e/0x80 [ 6695.127446][ T10] fib6_nh_init+0x3d8/0x1580 [ 6695.127446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6695.127446][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6695.127446][ T10] ipv6_add_addr+0x411/0x2000 [ 6695.127446][ T10] inet6_addr_add+0x30e/0xa40 [ 6695.127446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6695.127446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6695.127446][ T10] netlink_rcv_skb+0x130/0x360 [ 6695.127446][ T10] netlink_unicast+0x449/0x710 [ 6695.127446][ T10] netlink_sendmsg+0x723/0xbe0 [ 6695.127446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6695.127446][ T10] ___sys_sendmsg+0xee/0x170 [ 6695.127446][ T10] __sys_sendmsg+0xcd/0x170 [ 6695.127446][ T10] do_syscall_64+0xc6/0x1e0 [ 6695.127446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6695.127446][ T10] [ 6695.129901][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6695.129901][ T10] netdev_get_by_index+0x5e/0x80 [ 6695.129901][ T10] fib6_nh_init+0x3d8/0x1580 [ 6695.129901][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6695.129901][ T10] ip6_route_add+0x1c/0x140 [ 6695.129901][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6695.129901][ T10] addrconf_add_dev+0xe2/0x170 [ 6695.129901][ T10] inet6_addr_add+0x12f/0xa40 [ 6695.129901][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6695.129901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6695.129901][ T10] netlink_rcv_skb+0x130/0x360 [ 6695.129901][ T10] netlink_unicast+0x449/0x710 [ 6695.129901][ T10] netlink_sendmsg+0x723/0xbe0 [ 6695.129901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6695.129901][ T10] ___sys_sendmsg+0xee/0x170 [ 6695.129901][ T10] __sys_sendmsg+0xcd/0x170 [ 6695.129901][ T10] do_syscall_64+0xc6/0x1e0 [ 6695.129901][ T10] [ 6695.132272][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6695.132272][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6695.132272][ T10] ipv6_find_idev+0x102/0x170 [ 6695.132272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6695.132272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6695.132272][ T10] netlink_rcv_skb+0x130/0x360 [ 6695.132272][ T10] netlink_unicast+0x449/0x710 [ 6695.132272][ T10] netlink_sendmsg+0x723/0xbe0 [ 6695.132272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6695.132272][ T10] ___sys_sendmsg+0xee/0x170 [ 6695.132272][ T10] __sys_sendmsg+0xcd/0x170 [ 6695.132272][ T10] do_syscall_64+0xc6/0x1e0 [ 6695.132272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6695.132272][ T10] [ 6695.134172][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6695.134172][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6695.134172][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6695.134172][ T10] ipv6_find_idev+0x102/0x170 [ 6695.134172][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6695.134172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6695.134172][ T10] netlink_rcv_skb+0x130/0x360 [ 6695.134172][ T10] netlink_unicast+0x449/0x710 [ 6695.134172][ T10] netlink_sendmsg+0x723/0xbe0 [ 6695.134172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6695.134172][ T10] ___sys_sendmsg+0xee/0x170 [ 6695.134172][ T10] __sys_sendmsg+0xcd/0x170 [ 6695.134172][ T10] do_syscall_64+0xc6/0x1e0 [ 6695.134172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6695.134172][ T10] [ 6695.136305][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6695.136564][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6695.136564][ T10] netdev_get_by_index+0x5e/0x80 [ 6695.136564][ T10] fib6_nh_init+0x3d8/0x1580 [ 6695.136564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6695.136564][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6695.136564][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6695.136564][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6695.136564][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6695.136564][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6695.136564][ T10] addrconf_dad_begin+0x310/0x670 [ 6695.136564][ T10] addrconf_dad_work+0x10b/0xab0 [ 6695.136564][ T10] process_one_work+0x84d/0x18a0 [ 6695.136564][ T10] worker_thread+0x587/0xd30 [ 6695.136564][ T10] kthread+0x28a/0x350 [ 6695.136564][ T10] ret_from_fork+0x31/0x70 [ 6695.136564][ T10] ret_from_fork_asm+0x1a/0x30 [ 6695.136564][ T10] [ 6695.138942][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6695.138942][ T10] netdev_get_by_index+0x5e/0x80 [ 6695.138942][ T10] fib6_nh_init+0x3d8/0x1580 [ 6695.138942][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6695.138942][ T10] ip6_route_add+0x1c/0x140 [ 6695.138942][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6695.138942][ T10] inet6_addr_add+0x4f8/0xa40 [ 6695.138942][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6695.138942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6695.138942][ T10] netlink_rcv_skb+0x130/0x360 [ 6695.138942][ T10] netlink_unicast+0x449/0x710 [ 6695.138942][ T10] netlink_sendmsg+0x723/0xbe0 [ 6695.138942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6695.138942][ T10] ___sys_sendmsg+0xee/0x170 [ 6695.138942][ T10] __sys_sendmsg+0xcd/0x170 [ 6695.138942][ T10] do_syscall_64+0xc6/0x1e0 [ 6695.138942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6695.138942][ T10] [ 6695.141332][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6695.141332][ T10] netdev_get_by_index+0x5e/0x80 [ 6695.141332][ T10] fib6_nh_init+0x3d8/0x1580 [ 6695.141332][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6695.141332][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6695.141332][ T10] ipv6_add_addr+0x411/0x2000 [ 6695.141332][ T10] inet6_addr_add+0x30e/0xa40 [ 6695.141332][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6695.141332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6695.141332][ T10] netlink_rcv_skb+0x130/0x360 [ 6695.141332][ T10] netlink_unicast+0x449/0x710 [ 6695.141332][ T10] netlink_sendmsg+0x723/0xbe0 [ 6695.141332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6695.141332][ T10] ___sys_sendmsg+0xee/0x170 [ 6695.141332][ T10] __sys_sendmsg+0xcd/0x170 [ 6695.141332][ T10] do_syscall_64+0xc6/0x1e0 [ 6695.141332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6695.141332][ T10] [ 6695.143819][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6695.143819][ T10] netdev_get_by_index+0x5e/0x80 [ 6695.143819][ T10] fib6_nh_init+0x3d8/0x1580 [ 6695.143819][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6695.143819][ T10] ip6_route_add+0x1c/0x140 [ 6695.143819][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6695.143819][ T10] addrconf_add_dev+0xe2/0x170 [ 6695.143819][ T10] inet6_addr_add+0x12f/0xa40 [ 6695.143819][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6695.143819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6695.143819][ T10] netlink_rcv_skb+0x130/0x360 [ 6695.143819][ T10] netlink_unicast+0x449/0x710 [ 6695.143819][ T10] netlink_sendmsg+0x723/0xbe0 [ 6695.143819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6695.143819][ T10] ___sys_sendmsg+0xee/0x170 [ 6695.143819][ T10] __sys_sendmsg+0xcd/0x170 [ 6695.143819][ T10] do_syscall_64+0xc6/0x1e0 [ 6695.143819][ T10] [ 6695.146314][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6695.146314][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6695.146314][ T10] ipv6_find_idev+0x102/0x170 [ 6695.146314][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6695.146314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6695.146314][ T10] netlink_rcv_skb+0x130/0x360 [ 6695.146314][ T10] netlink_unicast+0x449/0x710 [ 6695.146314][ T10] netlink_sendmsg+0x723/0xbe0 [ 6695.146314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6695.146314][ T10] ___sys_sendmsg+0xee/0x170 [ 6695.146314][ T10] __sys_sendmsg+0xcd/0x170 [ 6695.146314][ T10] do_syscall_64+0xc6/0x1e0 [ 6695.146314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6695.146314][ T10] [ 6695.148201][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6695.148201][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6695.148201][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6695.148201][ T10] ipv6_find_idev+0x102/0x170 [ 6695.148201][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6695.148201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6695.148201][ T10] netlink_rcv_skb+0x130/0x360 [ 6695.148201][ T10] netlink_unicast+0x449/0x710 [ 6695.148201][ T10] netlink_sendmsg+0x723/0xbe0 [ 6695.148201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6695.148201][ T10] ___sys_sendmsg+0xee/0x170 [ 6695.148201][ T10] __sys_sendmsg+0xcd/0x170 [ 6695.148201][ T10] do_syscall_64+0xc6/0x1e0 [ 6695.148201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6695.148201][ T10] [ 6702.609106][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6702.609618][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6702.609618][ T1167] dst_init+0x84/0x4a0 [ 6702.609618][ T1167] dst_alloc+0x97/0x150 [ 6702.609618][ T1167] ip6_dst_alloc+0x23/0x90 [ 6702.609618][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6702.609618][ T1167] ip6_pol_route+0x56f/0x840 [ 6702.609618][ T1167] fib6_rule_lookup+0x334/0x630 [ 6702.609618][ T1167] ip6_route_output_flags+0x259/0x480 [ 6702.609618][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6702.609618][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6702.609618][ T1167] netlink_rcv_skb+0x130/0x360 [ 6702.609618][ T1167] netlink_unicast+0x449/0x710 [ 6702.609618][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6702.609618][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6702.609618][ T1167] ___sys_sendmsg+0xee/0x170 [ 6702.609618][ T1167] __sys_sendmsg+0xcd/0x170 [ 6702.609618][ T1167] do_syscall_64+0xc6/0x1e0 [ 6702.609618][ T1167] [ 6702.612035][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6702.612035][ T1167] netdev_get_by_index+0x5e/0x80 [ 6702.612035][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6702.612035][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6702.612035][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6702.612035][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6702.612035][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6702.612035][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6702.612035][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6702.612035][ T1167] addrconf_dad_begin+0x310/0x670 [ 6702.612035][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6702.612035][ T1167] process_one_work+0x84d/0x18a0 [ 6702.612035][ T1167] worker_thread+0x587/0xd30 [ 6702.612035][ T1167] kthread+0x28a/0x350 [ 6702.612035][ T1167] ret_from_fork+0x31/0x70 [ 6702.612035][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6702.612035][ T1167] [ 6702.614407][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6702.614407][ T1167] netdev_get_by_index+0x5e/0x80 [ 6702.614407][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6702.614407][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6702.614407][ T1167] ip6_route_add+0x1c/0x140 [ 6702.614407][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6702.614407][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6702.614407][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6702.614407][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6702.614407][ T1167] netlink_rcv_skb+0x130/0x360 [ 6702.614407][ T1167] netlink_unicast+0x449/0x710 [ 6702.614407][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6702.614407][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6702.614407][ T1167] ___sys_sendmsg+0xee/0x170 [ 6702.614407][ T1167] __sys_sendmsg+0xcd/0x170 [ 6702.614407][ T1167] do_syscall_64+0xc6/0x1e0 [ 6702.614407][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6702.614407][ T1167] [ 6702.616891][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6702.616891][ T1167] netdev_get_by_index+0x5e/0x80 [ 6702.616891][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6702.616891][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6702.616891][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6702.616891][ T1167] ipv6_add_addr+0x411/0x2000 [ 6702.616891][ T1167] inet6_addr_add+0x30e/0xa40 [ 6702.616891][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6702.616891][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6702.616891][ T1167] netlink_rcv_skb+0x130/0x360 [ 6702.616891][ T1167] netlink_unicast+0x449/0x710 [ 6702.616891][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6702.616891][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6702.616891][ T1167] ___sys_sendmsg+0xee/0x170 [ 6702.616891][ T1167] __sys_sendmsg+0xcd/0x170 [ 6702.616891][ T1167] do_syscall_64+0xc6/0x1e0 [ 6702.616891][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6702.616891][ T1167] [ 6702.619370][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6702.619370][ T1167] netdev_get_by_index+0x5e/0x80 [ 6702.619370][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6702.619370][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6702.619370][ T1167] ip6_route_add+0x1c/0x140 [ 6702.619370][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6702.619370][ T1167] addrconf_add_dev+0xe2/0x170 [ 6702.619370][ T1167] inet6_addr_add+0x12f/0xa40 [ 6702.619370][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6702.619370][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6702.619370][ T1167] netlink_rcv_skb+0x130/0x360 [ 6702.619370][ T1167] netlink_unicast+0x449/0x710 [ 6702.619370][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6702.619370][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6702.619370][ T1167] ___sys_sendmsg+0xee/0x170 [ 6702.619370][ T1167] __sys_sendmsg+0xcd/0x170 [ 6702.619370][ T1167] do_syscall_64+0xc6/0x1e0 [ 6702.619370][ T1167] [ 6702.621789][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6702.621789][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6702.621789][ T1167] ipv6_find_idev+0x102/0x170 [ 6702.621789][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6702.621789][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6702.621789][ T1167] netlink_rcv_skb+0x130/0x360 [ 6702.621789][ T1167] netlink_unicast+0x449/0x710 [ 6702.621789][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6702.621789][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6702.621789][ T1167] ___sys_sendmsg+0xee/0x170 [ 6702.621789][ T1167] __sys_sendmsg+0xcd/0x170 [ 6702.621789][ T1167] do_syscall_64+0xc6/0x1e0 [ 6702.621789][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6702.621789][ T1167] [ 6702.623684][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6702.623684][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6702.623684][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6702.623684][ T1167] ipv6_find_idev+0x102/0x170 [ 6702.623684][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6702.623684][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6702.623684][ T1167] netlink_rcv_skb+0x130/0x360 [ 6702.623684][ T1167] netlink_unicast+0x449/0x710 [ 6702.623684][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6702.623684][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6702.623684][ T1167] ___sys_sendmsg+0xee/0x170 [ 6702.623684][ T1167] __sys_sendmsg+0xcd/0x170 [ 6702.623684][ T1167] do_syscall_64+0xc6/0x1e0 [ 6702.623684][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6702.623684][ T1167] [ 6705.393117][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6705.393538][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6705.393538][ T10] netdev_get_by_index+0x5e/0x80 [ 6705.393538][ T10] fib6_nh_init+0x3d8/0x1580 [ 6705.393538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6705.393538][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6705.393538][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6705.393538][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6705.393538][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6705.393538][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6705.393538][ T10] addrconf_dad_begin+0x310/0x670 [ 6705.393538][ T10] addrconf_dad_work+0x10b/0xab0 [ 6705.393538][ T10] process_one_work+0x84d/0x18a0 [ 6705.393538][ T10] worker_thread+0x587/0xd30 [ 6705.393538][ T10] kthread+0x28a/0x350 [ 6705.393538][ T10] ret_from_fork+0x31/0x70 [ 6705.393538][ T10] ret_from_fork_asm+0x1a/0x30 [ 6705.393538][ T10] [ 6705.395682][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6705.395682][ T10] netdev_get_by_index+0x5e/0x80 [ 6705.395682][ T10] fib6_nh_init+0x3d8/0x1580 [ 6705.395682][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6705.395682][ T10] ip6_route_add+0x1c/0x140 [ 6705.395682][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6705.395682][ T10] inet6_addr_add+0x4f8/0xa40 [ 6705.395682][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6705.395682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.395682][ T10] netlink_rcv_skb+0x130/0x360 [ 6705.395682][ T10] netlink_unicast+0x449/0x710 [ 6705.395682][ T10] netlink_sendmsg+0x723/0xbe0 [ 6705.395682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6705.395682][ T10] ___sys_sendmsg+0xee/0x170 [ 6705.395682][ T10] __sys_sendmsg+0xcd/0x170 [ 6705.395682][ T10] do_syscall_64+0xc6/0x1e0 [ 6705.395682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.395682][ T10] [ 6705.397919][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6705.397919][ T10] netdev_get_by_index+0x5e/0x80 [ 6705.397919][ T10] fib6_nh_init+0x3d8/0x1580 [ 6705.397919][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6705.397919][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6705.397919][ T10] ipv6_add_addr+0x411/0x2000 [ 6705.397919][ T10] inet6_addr_add+0x30e/0xa40 [ 6705.397919][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6705.397919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.397919][ T10] netlink_rcv_skb+0x130/0x360 [ 6705.397919][ T10] netlink_unicast+0x449/0x710 [ 6705.397919][ T10] netlink_sendmsg+0x723/0xbe0 [ 6705.397919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6705.397919][ T10] ___sys_sendmsg+0xee/0x170 [ 6705.397919][ T10] __sys_sendmsg+0xcd/0x170 [ 6705.397919][ T10] do_syscall_64+0xc6/0x1e0 [ 6705.397919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.397919][ T10] [ 6705.400218][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6705.400218][ T10] netdev_get_by_index+0x5e/0x80 [ 6705.400218][ T10] fib6_nh_init+0x3d8/0x1580 [ 6705.400218][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6705.400218][ T10] ip6_route_add+0x1c/0x140 [ 6705.400218][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6705.400218][ T10] addrconf_add_dev+0xe2/0x170 [ 6705.400218][ T10] inet6_addr_add+0x12f/0xa40 [ 6705.400218][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6705.400218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.400218][ T10] netlink_rcv_skb+0x130/0x360 [ 6705.400218][ T10] netlink_unicast+0x449/0x710 [ 6705.400218][ T10] netlink_sendmsg+0x723/0xbe0 [ 6705.400218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6705.400218][ T10] ___sys_sendmsg+0xee/0x170 [ 6705.400218][ T10] __sys_sendmsg+0xcd/0x170 [ 6705.400218][ T10] do_syscall_64+0xc6/0x1e0 [ 6705.400218][ T10] [ 6705.402393][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6705.402393][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6705.402393][ T10] ipv6_find_idev+0x102/0x170 [ 6705.402393][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6705.402393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.402393][ T10] netlink_rcv_skb+0x130/0x360 [ 6705.402393][ T10] netlink_unicast+0x449/0x710 [ 6705.402393][ T10] netlink_sendmsg+0x723/0xbe0 [ 6705.402393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6705.402393][ T10] ___sys_sendmsg+0xee/0x170 [ 6705.402393][ T10] __sys_sendmsg+0xcd/0x170 [ 6705.402393][ T10] do_syscall_64+0xc6/0x1e0 [ 6705.402393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.402393][ T10] [ 6705.404098][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6705.404098][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6705.404098][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6705.404098][ T10] ipv6_find_idev+0x102/0x170 [ 6705.404098][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6705.404098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.404098][ T10] netlink_rcv_skb+0x130/0x360 [ 6705.404098][ T10] netlink_unicast+0x449/0x710 [ 6705.404098][ T10] netlink_sendmsg+0x723/0xbe0 [ 6705.404098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6705.404098][ T10] ___sys_sendmsg+0xee/0x170 [ 6705.404098][ T10] __sys_sendmsg+0xcd/0x170 [ 6705.404098][ T10] do_syscall_64+0xc6/0x1e0 [ 6705.404098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.404098][ T10] [ 6705.405979][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6705.406257][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6705.406257][ T10] netdev_get_by_index+0x5e/0x80 [ 6705.406257][ T10] fib6_nh_init+0x3d8/0x1580 [ 6705.406257][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6705.406257][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6705.406257][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6705.406257][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6705.406257][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6705.406257][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6705.406257][ T10] addrconf_dad_begin+0x310/0x670 [ 6705.406257][ T10] addrconf_dad_work+0x10b/0xab0 [ 6705.406257][ T10] process_one_work+0x84d/0x18a0 [ 6705.406257][ T10] worker_thread+0x587/0xd30 [ 6705.406257][ T10] kthread+0x28a/0x350 [ 6705.406257][ T10] ret_from_fork+0x31/0x70 [ 6705.406257][ T10] ret_from_fork_asm+0x1a/0x30 [ 6705.406257][ T10] [ 6705.408385][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6705.408385][ T10] netdev_get_by_index+0x5e/0x80 [ 6705.408385][ T10] fib6_nh_init+0x3d8/0x1580 [ 6705.408385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6705.408385][ T10] ip6_route_add+0x1c/0x140 [ 6705.408385][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6705.408385][ T10] inet6_addr_add+0x4f8/0xa40 [ 6705.408385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6705.408385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.408385][ T10] netlink_rcv_skb+0x130/0x360 [ 6705.408385][ T10] netlink_unicast+0x449/0x710 [ 6705.408385][ T10] netlink_sendmsg+0x723/0xbe0 [ 6705.408385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6705.408385][ T10] ___sys_sendmsg+0xee/0x170 [ 6705.408385][ T10] __sys_sendmsg+0xcd/0x170 [ 6705.408385][ T10] do_syscall_64+0xc6/0x1e0 [ 6705.408385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.408385][ T10] [ 6705.410605][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6705.410605][ T10] netdev_get_by_index+0x5e/0x80 [ 6705.410605][ T10] fib6_nh_init+0x3d8/0x1580 [ 6705.410605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6705.410605][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6705.410605][ T10] ipv6_add_addr+0x411/0x2000 [ 6705.410605][ T10] inet6_addr_add+0x30e/0xa40 [ 6705.410605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6705.410605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.410605][ T10] netlink_rcv_skb+0x130/0x360 [ 6705.410605][ T10] netlink_unicast+0x449/0x710 [ 6705.410605][ T10] netlink_sendmsg+0x723/0xbe0 [ 6705.410605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6705.410605][ T10] ___sys_sendmsg+0xee/0x170 [ 6705.410605][ T10] __sys_sendmsg+0xcd/0x170 [ 6705.410605][ T10] do_syscall_64+0xc6/0x1e0 [ 6705.410605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.410605][ T10] [ 6705.412813][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6705.412813][ T10] netdev_get_by_index+0x5e/0x80 [ 6705.412813][ T10] fib6_nh_init+0x3d8/0x1580 [ 6705.412813][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6705.412813][ T10] ip6_route_add+0x1c/0x140 [ 6705.412813][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6705.412813][ T10] addrconf_add_dev+0xe2/0x170 [ 6705.412813][ T10] inet6_addr_add+0x12f/0xa40 [ 6705.412813][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6705.412813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.412813][ T10] netlink_rcv_skb+0x130/0x360 [ 6705.412813][ T10] netlink_unicast+0x449/0x710 [ 6705.412813][ T10] netlink_sendmsg+0x723/0xbe0 [ 6705.412813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6705.412813][ T10] ___sys_sendmsg+0xee/0x170 [ 6705.412813][ T10] __sys_sendmsg+0xcd/0x170 [ 6705.412813][ T10] do_syscall_64+0xc6/0x1e0 [ 6705.412813][ T10] [ 6705.415022][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6705.415022][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6705.415022][ T10] ipv6_find_idev+0x102/0x170 [ 6705.415022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6705.415022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.415022][ T10] netlink_rcv_skb+0x130/0x360 [ 6705.415022][ T10] netlink_unicast+0x449/0x710 [ 6705.415022][ T10] netlink_sendmsg+0x723/0xbe0 [ 6705.415022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6705.415022][ T10] ___sys_sendmsg+0xee/0x170 [ 6705.415022][ T10] __sys_sendmsg+0xcd/0x170 [ 6705.415022][ T10] do_syscall_64+0xc6/0x1e0 [ 6705.415022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.415022][ T10] [ 6705.416740][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6705.416740][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6705.416740][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6705.416740][ T10] ipv6_find_idev+0x102/0x170 [ 6705.416740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6705.416740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.416740][ T10] netlink_rcv_skb+0x130/0x360 [ 6705.416740][ T10] netlink_unicast+0x449/0x710 [ 6705.416740][ T10] netlink_sendmsg+0x723/0xbe0 [ 6705.416740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6705.416740][ T10] ___sys_sendmsg+0xee/0x170 [ 6705.416740][ T10] __sys_sendmsg+0xcd/0x170 [ 6705.416740][ T10] do_syscall_64+0xc6/0x1e0 [ 6705.416740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.416740][ T10] [ 6705.418606][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6705.418873][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6705.418873][ T10] netdev_get_by_index+0x5e/0x80 [ 6705.418873][ T10] fib6_nh_init+0x3d8/0x1580 [ 6705.418873][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6705.418873][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6705.418873][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6705.418873][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6705.418873][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6705.418873][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6705.418873][ T10] addrconf_dad_begin+0x310/0x670 [ 6705.418873][ T10] addrconf_dad_work+0x10b/0xab0 [ 6705.418873][ T10] process_one_work+0x84d/0x18a0 [ 6705.418873][ T10] worker_thread+0x587/0xd30 [ 6705.418873][ T10] kthread+0x28a/0x350 [ 6705.418873][ T10] ret_from_fork+0x31/0x70 [ 6705.418873][ T10] ret_from_fork_asm+0x1a/0x30 [ 6705.418873][ T10] [ 6705.420995][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6705.420995][ T10] netdev_get_by_index+0x5e/0x80 [ 6705.420995][ T10] fib6_nh_init+0x3d8/0x1580 [ 6705.420995][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6705.420995][ T10] ip6_route_add+0x1c/0x140 [ 6705.420995][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6705.420995][ T10] inet6_addr_add+0x4f8/0xa40 [ 6705.420995][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6705.420995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.420995][ T10] netlink_rcv_skb+0x130/0x360 [ 6705.420995][ T10] netlink_unicast+0x449/0x710 [ 6705.420995][ T10] netlink_sendmsg+0x723/0xbe0 [ 6705.420995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6705.420995][ T10] ___sys_sendmsg+0xee/0x170 [ 6705.420995][ T10] __sys_sendmsg+0xcd/0x170 [ 6705.420995][ T10] do_syscall_64+0xc6/0x1e0 [ 6705.420995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.420995][ T10] [ 6705.423454][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6705.423454][ T10] netdev_get_by_index+0x5e/0x80 [ 6705.423454][ T10] fib6_nh_init+0x3d8/0x1580 [ 6705.423454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6705.423454][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6705.423454][ T10] ipv6_add_addr+0x411/0x2000 [ 6705.423454][ T10] inet6_addr_add+0x30e/0xa40 [ 6705.423454][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6705.423454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.423454][ T10] netlink_rcv_skb+0x130/0x360 [ 6705.423454][ T10] netlink_unicast+0x449/0x710 [ 6705.423454][ T10] netlink_sendmsg+0x723/0xbe0 [ 6705.423454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6705.423454][ T10] ___sys_sendmsg+0xee/0x170 [ 6705.423454][ T10] __sys_sendmsg+0xcd/0x170 [ 6705.423454][ T10] do_syscall_64+0xc6/0x1e0 [ 6705.423454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.423454][ T10] [ 6705.425914][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6705.425914][ T10] netdev_get_by_index+0x5e/0x80 [ 6705.425914][ T10] fib6_nh_init+0x3d8/0x1580 [ 6705.425914][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6705.425914][ T10] ip6_route_add+0x1c/0x140 [ 6705.425914][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6705.425914][ T10] addrconf_add_dev+0xe2/0x170 [ 6705.425914][ T10] inet6_addr_add+0x12f/0xa40 [ 6705.425914][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6705.425914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.425914][ T10] netlink_rcv_skb+0x130/0x360 [ 6705.425914][ T10] netlink_unicast+0x449/0x710 [ 6705.425914][ T10] netlink_sendmsg+0x723/0xbe0 [ 6705.425914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6705.425914][ T10] ___sys_sendmsg+0xee/0x170 [ 6705.425914][ T10] __sys_sendmsg+0xcd/0x170 [ 6705.425914][ T10] do_syscall_64+0xc6/0x1e0 [ 6705.425914][ T10] [ 6705.428261][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6705.428261][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6705.428261][ T10] ipv6_find_idev+0x102/0x170 [ 6705.428261][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6705.428261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.428261][ T10] netlink_rcv_skb+0x130/0x360 [ 6705.428261][ T10] netlink_unicast+0x449/0x710 [ 6705.428261][ T10] netlink_sendmsg+0x723/0xbe0 [ 6705.428261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6705.428261][ T10] ___sys_sendmsg+0xee/0x170 [ 6705.428261][ T10] __sys_sendmsg+0xcd/0x170 [ 6705.428261][ T10] do_syscall_64+0xc6/0x1e0 [ 6705.428261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.428261][ T10] [ 6705.430201][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6705.430201][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6705.430201][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6705.430201][ T10] ipv6_find_idev+0x102/0x170 [ 6705.430201][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6705.430201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.430201][ T10] netlink_rcv_skb+0x130/0x360 [ 6705.430201][ T10] netlink_unicast+0x449/0x710 [ 6705.430201][ T10] netlink_sendmsg+0x723/0xbe0 [ 6705.430201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6705.430201][ T10] ___sys_sendmsg+0xee/0x170 [ 6705.430201][ T10] __sys_sendmsg+0xcd/0x170 [ 6705.430201][ T10] do_syscall_64+0xc6/0x1e0 [ 6705.430201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.430201][ T10] [ 6705.432246][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6705.432504][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6705.432504][ T10] netdev_get_by_index+0x5e/0x80 [ 6705.432504][ T10] fib6_nh_init+0x3d8/0x1580 [ 6705.432504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6705.432504][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6705.432504][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6705.432504][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6705.432504][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6705.432504][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6705.432504][ T10] addrconf_dad_begin+0x310/0x670 [ 6705.432504][ T10] addrconf_dad_work+0x10b/0xab0 [ 6705.432504][ T10] process_one_work+0x84d/0x18a0 [ 6705.432504][ T10] worker_thread+0x587/0xd30 [ 6705.432504][ T10] kthread+0x28a/0x350 [ 6705.432504][ T10] ret_from_fork+0x31/0x70 [ 6705.432504][ T10] ret_from_fork_asm+0x1a/0x30 [ 6705.432504][ T10] [ 6705.434880][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6705.434880][ T10] netdev_get_by_index+0x5e/0x80 [ 6705.434880][ T10] fib6_nh_init+0x3d8/0x1580 [ 6705.434880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6705.434880][ T10] ip6_route_add+0x1c/0x140 [ 6705.434880][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6705.434880][ T10] inet6_addr_add+0x4f8/0xa40 [ 6705.434880][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6705.434880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.434880][ T10] netlink_rcv_skb+0x130/0x360 [ 6705.434880][ T10] netlink_unicast+0x449/0x710 [ 6705.434880][ T10] netlink_sendmsg+0x723/0xbe0 [ 6705.434880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6705.434880][ T10] ___sys_sendmsg+0xee/0x170 [ 6705.434880][ T10] __sys_sendmsg+0xcd/0x170 [ 6705.434880][ T10] do_syscall_64+0xc6/0x1e0 [ 6705.434880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.434880][ T10] [ 6705.437331][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6705.437331][ T10] netdev_get_by_index+0x5e/0x80 [ 6705.437331][ T10] fib6_nh_init+0x3d8/0x1580 [ 6705.437331][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6705.437331][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6705.437331][ T10] ipv6_add_addr+0x411/0x2000 [ 6705.437331][ T10] inet6_addr_add+0x30e/0xa40 [ 6705.437331][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6705.437331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.437331][ T10] netlink_rcv_skb+0x130/0x360 [ 6705.437331][ T10] netlink_unicast+0x449/0x710 [ 6705.437331][ T10] netlink_sendmsg+0x723/0xbe0 [ 6705.437331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6705.437331][ T10] ___sys_sendmsg+0xee/0x170 [ 6705.437331][ T10] __sys_sendmsg+0xcd/0x170 [ 6705.437331][ T10] do_syscall_64+0xc6/0x1e0 [ 6705.437331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.437331][ T10] [ 6705.439868][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6705.439868][ T10] netdev_get_by_index+0x5e/0x80 [ 6705.439868][ T10] fib6_nh_init+0x3d8/0x1580 [ 6705.439868][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6705.439868][ T10] ip6_route_add+0x1c/0x140 [ 6705.439868][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6705.439868][ T10] addrconf_add_dev+0xe2/0x170 [ 6705.439868][ T10] inet6_addr_add+0x12f/0xa40 [ 6705.439868][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6705.439868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.439868][ T10] netlink_rcv_skb+0x130/0x360 [ 6705.439868][ T10] netlink_unicast+0x449/0x710 [ 6705.439868][ T10] netlink_sendmsg+0x723/0xbe0 [ 6705.439868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6705.439868][ T10] ___sys_sendmsg+0xee/0x170 [ 6705.439868][ T10] __sys_sendmsg+0xcd/0x170 [ 6705.439868][ T10] do_syscall_64+0xc6/0x1e0 [ 6705.439868][ T10] [ 6705.442300][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6705.442300][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6705.442300][ T10] ipv6_find_idev+0x102/0x170 [ 6705.442300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6705.442300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.442300][ T10] netlink_rcv_skb+0x130/0x360 [ 6705.442300][ T10] netlink_unicast+0x449/0x710 [ 6705.442300][ T10] netlink_sendmsg+0x723/0xbe0 [ 6705.442300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6705.442300][ T10] ___sys_sendmsg+0xee/0x170 [ 6705.442300][ T10] __sys_sendmsg+0xcd/0x170 [ 6705.442300][ T10] do_syscall_64+0xc6/0x1e0 [ 6705.442300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.442300][ T10] [ 6705.444199][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6705.444199][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6705.444199][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6705.444199][ T10] ipv6_find_idev+0x102/0x170 [ 6705.444199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6705.444199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6705.444199][ T10] netlink_rcv_skb+0x130/0x360 [ 6705.444199][ T10] netlink_unicast+0x449/0x710 [ 6705.444199][ T10] netlink_sendmsg+0x723/0xbe0 [ 6705.444199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6705.444199][ T10] ___sys_sendmsg+0xee/0x170 [ 6705.444199][ T10] __sys_sendmsg+0xcd/0x170 [ 6705.444199][ T10] do_syscall_64+0xc6/0x1e0 [ 6705.444199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6705.444199][ T10] [ 6712.873056][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6712.873562][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6712.873562][ T1167] dst_init+0x84/0x4a0 [ 6712.873562][ T1167] dst_alloc+0x97/0x150 [ 6712.873562][ T1167] ip6_dst_alloc+0x23/0x90 [ 6712.873562][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6712.873562][ T1167] ip6_pol_route+0x56f/0x840 [ 6712.873562][ T1167] fib6_rule_lookup+0x334/0x630 [ 6712.873562][ T1167] ip6_route_output_flags+0x259/0x480 [ 6712.873562][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6712.873562][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6712.873562][ T1167] netlink_rcv_skb+0x130/0x360 [ 6712.873562][ T1167] netlink_unicast+0x449/0x710 [ 6712.873562][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6712.873562][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6712.873562][ T1167] ___sys_sendmsg+0xee/0x170 [ 6712.873562][ T1167] __sys_sendmsg+0xcd/0x170 [ 6712.873562][ T1167] do_syscall_64+0xc6/0x1e0 [ 6712.873562][ T1167] [ 6712.875780][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6712.875780][ T1167] netdev_get_by_index+0x5e/0x80 [ 6712.875780][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6712.875780][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6712.875780][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6712.875780][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6712.875780][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6712.875780][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6712.875780][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6712.875780][ T1167] addrconf_dad_begin+0x310/0x670 [ 6712.875780][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6712.875780][ T1167] process_one_work+0x84d/0x18a0 [ 6712.875780][ T1167] worker_thread+0x587/0xd30 [ 6712.875780][ T1167] kthread+0x28a/0x350 [ 6712.875780][ T1167] ret_from_fork+0x31/0x70 [ 6712.875780][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6712.875780][ T1167] [ 6712.877940][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6712.877940][ T1167] netdev_get_by_index+0x5e/0x80 [ 6712.877940][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6712.877940][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6712.877940][ T1167] ip6_route_add+0x1c/0x140 [ 6712.877940][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6712.877940][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6712.877940][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6712.877940][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6712.877940][ T1167] netlink_rcv_skb+0x130/0x360 [ 6712.877940][ T1167] netlink_unicast+0x449/0x710 [ 6712.877940][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6712.877940][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6712.877940][ T1167] ___sys_sendmsg+0xee/0x170 [ 6712.877940][ T1167] __sys_sendmsg+0xcd/0x170 [ 6712.877940][ T1167] do_syscall_64+0xc6/0x1e0 [ 6712.877940][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6712.877940][ T1167] [ 6712.880183][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6712.880183][ T1167] netdev_get_by_index+0x5e/0x80 [ 6712.880183][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6712.880183][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6712.880183][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6712.880183][ T1167] ipv6_add_addr+0x411/0x2000 [ 6712.880183][ T1167] inet6_addr_add+0x30e/0xa40 [ 6712.880183][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6712.880183][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6712.880183][ T1167] netlink_rcv_skb+0x130/0x360 [ 6712.880183][ T1167] netlink_unicast+0x449/0x710 [ 6712.880183][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6712.880183][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6712.880183][ T1167] ___sys_sendmsg+0xee/0x170 [ 6712.880183][ T1167] __sys_sendmsg+0xcd/0x170 [ 6712.880183][ T1167] do_syscall_64+0xc6/0x1e0 [ 6712.880183][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6712.880183][ T1167] [ 6712.882416][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6712.882416][ T1167] netdev_get_by_index+0x5e/0x80 [ 6712.882416][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6712.882416][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6712.882416][ T1167] ip6_route_add+0x1c/0x140 [ 6712.882416][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6712.882416][ T1167] addrconf_add_dev+0xe2/0x170 [ 6712.882416][ T1167] inet6_addr_add+0x12f/0xa40 [ 6712.882416][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6712.882416][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6712.882416][ T1167] netlink_rcv_skb+0x130/0x360 [ 6712.882416][ T1167] netlink_unicast+0x449/0x710 [ 6712.882416][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6712.882416][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6712.882416][ T1167] ___sys_sendmsg+0xee/0x170 [ 6712.882416][ T1167] __sys_sendmsg+0xcd/0x170 [ 6712.882416][ T1167] do_syscall_64+0xc6/0x1e0 [ 6712.882416][ T1167] [ 6712.884627][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6712.884627][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6712.884627][ T1167] ipv6_find_idev+0x102/0x170 [ 6712.884627][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6712.884627][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6712.884627][ T1167] netlink_rcv_skb+0x130/0x360 [ 6712.884627][ T1167] netlink_unicast+0x449/0x710 [ 6712.884627][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6712.884627][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6712.884627][ T1167] ___sys_sendmsg+0xee/0x170 [ 6712.884627][ T1167] __sys_sendmsg+0xcd/0x170 [ 6712.884627][ T1167] do_syscall_64+0xc6/0x1e0 [ 6712.884627][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6712.884627][ T1167] [ 6712.886347][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6712.886347][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6712.886347][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6712.886347][ T1167] ipv6_find_idev+0x102/0x170 [ 6712.886347][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6712.886347][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6712.886347][ T1167] netlink_rcv_skb+0x130/0x360 [ 6712.886347][ T1167] netlink_unicast+0x449/0x710 [ 6712.886347][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6712.886347][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6712.886347][ T1167] ___sys_sendmsg+0xee/0x170 [ 6712.886347][ T1167] __sys_sendmsg+0xcd/0x170 [ 6712.886347][ T1167] do_syscall_64+0xc6/0x1e0 [ 6712.886347][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6712.886347][ T1167] [ 6715.689125][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6715.689553][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6715.689553][ T10] netdev_get_by_index+0x5e/0x80 [ 6715.689553][ T10] fib6_nh_init+0x3d8/0x1580 [ 6715.689553][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6715.689553][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6715.689553][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6715.689553][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6715.689553][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6715.689553][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6715.689553][ T10] addrconf_dad_begin+0x310/0x670 [ 6715.689553][ T10] addrconf_dad_work+0x10b/0xab0 [ 6715.689553][ T10] process_one_work+0x84d/0x18a0 [ 6715.689553][ T10] worker_thread+0x587/0xd30 [ 6715.689553][ T10] kthread+0x28a/0x350 [ 6715.689553][ T10] ret_from_fork+0x31/0x70 [ 6715.689553][ T10] ret_from_fork_asm+0x1a/0x30 [ 6715.689553][ T10] [ 6715.691685][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6715.691685][ T10] netdev_get_by_index+0x5e/0x80 [ 6715.691685][ T10] fib6_nh_init+0x3d8/0x1580 [ 6715.691685][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6715.691685][ T10] ip6_route_add+0x1c/0x140 [ 6715.691685][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6715.691685][ T10] inet6_addr_add+0x4f8/0xa40 [ 6715.691685][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6715.691685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.691685][ T10] netlink_rcv_skb+0x130/0x360 [ 6715.691685][ T10] netlink_unicast+0x449/0x710 [ 6715.691685][ T10] netlink_sendmsg+0x723/0xbe0 [ 6715.691685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6715.691685][ T10] ___sys_sendmsg+0xee/0x170 [ 6715.691685][ T10] __sys_sendmsg+0xcd/0x170 [ 6715.691685][ T10] do_syscall_64+0xc6/0x1e0 [ 6715.691685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.691685][ T10] [ 6715.693892][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6715.693892][ T10] netdev_get_by_index+0x5e/0x80 [ 6715.693892][ T10] fib6_nh_init+0x3d8/0x1580 [ 6715.693892][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6715.693892][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6715.693892][ T10] ipv6_add_addr+0x411/0x2000 [ 6715.693892][ T10] inet6_addr_add+0x30e/0xa40 [ 6715.693892][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6715.693892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.693892][ T10] netlink_rcv_skb+0x130/0x360 [ 6715.693892][ T10] netlink_unicast+0x449/0x710 [ 6715.693892][ T10] netlink_sendmsg+0x723/0xbe0 [ 6715.693892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6715.693892][ T10] ___sys_sendmsg+0xee/0x170 [ 6715.693892][ T10] __sys_sendmsg+0xcd/0x170 [ 6715.693892][ T10] do_syscall_64+0xc6/0x1e0 [ 6715.693892][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.693892][ T10] [ 6715.696106][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6715.696106][ T10] netdev_get_by_index+0x5e/0x80 [ 6715.696106][ T10] fib6_nh_init+0x3d8/0x1580 [ 6715.696106][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6715.696106][ T10] ip6_route_add+0x1c/0x140 [ 6715.696106][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6715.696106][ T10] addrconf_add_dev+0xe2/0x170 [ 6715.696106][ T10] inet6_addr_add+0x12f/0xa40 [ 6715.696106][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6715.696106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.696106][ T10] netlink_rcv_skb+0x130/0x360 [ 6715.696106][ T10] netlink_unicast+0x449/0x710 [ 6715.696106][ T10] netlink_sendmsg+0x723/0xbe0 [ 6715.696106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6715.696106][ T10] ___sys_sendmsg+0xee/0x170 [ 6715.696106][ T10] __sys_sendmsg+0xcd/0x170 [ 6715.696106][ T10] do_syscall_64+0xc6/0x1e0 [ 6715.696106][ T10] [ 6715.698316][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6715.698316][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6715.698316][ T10] ipv6_find_idev+0x102/0x170 [ 6715.698316][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6715.698316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.698316][ T10] netlink_rcv_skb+0x130/0x360 [ 6715.698316][ T10] netlink_unicast+0x449/0x710 [ 6715.698316][ T10] netlink_sendmsg+0x723/0xbe0 [ 6715.698316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6715.698316][ T10] ___sys_sendmsg+0xee/0x170 [ 6715.698316][ T10] __sys_sendmsg+0xcd/0x170 [ 6715.698316][ T10] do_syscall_64+0xc6/0x1e0 [ 6715.698316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.698316][ T10] [ 6715.700014][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6715.700014][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6715.700014][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6715.700014][ T10] ipv6_find_idev+0x102/0x170 [ 6715.700014][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6715.700014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.700014][ T10] netlink_rcv_skb+0x130/0x360 [ 6715.700014][ T10] netlink_unicast+0x449/0x710 [ 6715.700014][ T10] netlink_sendmsg+0x723/0xbe0 [ 6715.700014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6715.700014][ T10] ___sys_sendmsg+0xee/0x170 [ 6715.700014][ T10] __sys_sendmsg+0xcd/0x170 [ 6715.700014][ T10] do_syscall_64+0xc6/0x1e0 [ 6715.700014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.700014][ T10] [ 6715.701901][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6715.702177][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6715.702177][ T10] netdev_get_by_index+0x5e/0x80 [ 6715.702177][ T10] fib6_nh_init+0x3d8/0x1580 [ 6715.702177][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6715.702177][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6715.702177][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6715.702177][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6715.702177][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6715.702177][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6715.702177][ T10] addrconf_dad_begin+0x310/0x670 [ 6715.702177][ T10] addrconf_dad_work+0x10b/0xab0 [ 6715.702177][ T10] process_one_work+0x84d/0x18a0 [ 6715.702177][ T10] worker_thread+0x587/0xd30 [ 6715.702177][ T10] kthread+0x28a/0x350 [ 6715.702177][ T10] ret_from_fork+0x31/0x70 [ 6715.702177][ T10] ret_from_fork_asm+0x1a/0x30 [ 6715.702177][ T10] [ 6715.704313][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6715.704313][ T10] netdev_get_by_index+0x5e/0x80 [ 6715.704313][ T10] fib6_nh_init+0x3d8/0x1580 [ 6715.704313][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6715.704313][ T10] ip6_route_add+0x1c/0x140 [ 6715.704313][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6715.704313][ T10] inet6_addr_add+0x4f8/0xa40 [ 6715.704313][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6715.704313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.704313][ T10] netlink_rcv_skb+0x130/0x360 [ 6715.704313][ T10] netlink_unicast+0x449/0x710 [ 6715.704313][ T10] netlink_sendmsg+0x723/0xbe0 [ 6715.704313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6715.704313][ T10] ___sys_sendmsg+0xee/0x170 [ 6715.704313][ T10] __sys_sendmsg+0xcd/0x170 [ 6715.704313][ T10] do_syscall_64+0xc6/0x1e0 [ 6715.704313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.704313][ T10] [ 6715.706561][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6715.706561][ T10] netdev_get_by_index+0x5e/0x80 [ 6715.706561][ T10] fib6_nh_init+0x3d8/0x1580 [ 6715.706561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6715.706561][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6715.706561][ T10] ipv6_add_addr+0x411/0x2000 [ 6715.706561][ T10] inet6_addr_add+0x30e/0xa40 [ 6715.706561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6715.706561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.706561][ T10] netlink_rcv_skb+0x130/0x360 [ 6715.706561][ T10] netlink_unicast+0x449/0x710 [ 6715.706561][ T10] netlink_sendmsg+0x723/0xbe0 [ 6715.706561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6715.706561][ T10] ___sys_sendmsg+0xee/0x170 [ 6715.706561][ T10] __sys_sendmsg+0xcd/0x170 [ 6715.706561][ T10] do_syscall_64+0xc6/0x1e0 [ 6715.706561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.706561][ T10] [ 6715.708785][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6715.708785][ T10] netdev_get_by_index+0x5e/0x80 [ 6715.708785][ T10] fib6_nh_init+0x3d8/0x1580 [ 6715.708785][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6715.708785][ T10] ip6_route_add+0x1c/0x140 [ 6715.708785][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6715.708785][ T10] addrconf_add_dev+0xe2/0x170 [ 6715.708785][ T10] inet6_addr_add+0x12f/0xa40 [ 6715.708785][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6715.708785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.708785][ T10] netlink_rcv_skb+0x130/0x360 [ 6715.708785][ T10] netlink_unicast+0x449/0x710 [ 6715.708785][ T10] netlink_sendmsg+0x723/0xbe0 [ 6715.708785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6715.708785][ T10] ___sys_sendmsg+0xee/0x170 [ 6715.708785][ T10] __sys_sendmsg+0xcd/0x170 [ 6715.708785][ T10] do_syscall_64+0xc6/0x1e0 [ 6715.708785][ T10] [ 6715.710959][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6715.710959][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6715.710959][ T10] ipv6_find_idev+0x102/0x170 [ 6715.710959][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6715.710959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.710959][ T10] netlink_rcv_skb+0x130/0x360 [ 6715.710959][ T10] netlink_unicast+0x449/0x710 [ 6715.710959][ T10] netlink_sendmsg+0x723/0xbe0 [ 6715.710959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6715.710959][ T10] ___sys_sendmsg+0xee/0x170 [ 6715.710959][ T10] __sys_sendmsg+0xcd/0x170 [ 6715.710959][ T10] do_syscall_64+0xc6/0x1e0 [ 6715.710959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.710959][ T10] [ 6715.712665][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6715.712665][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6715.712665][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6715.712665][ T10] ipv6_find_idev+0x102/0x170 [ 6715.712665][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6715.712665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.712665][ T10] netlink_rcv_skb+0x130/0x360 [ 6715.712665][ T10] netlink_unicast+0x449/0x710 [ 6715.712665][ T10] netlink_sendmsg+0x723/0xbe0 [ 6715.712665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6715.712665][ T10] ___sys_sendmsg+0xee/0x170 [ 6715.712665][ T10] __sys_sendmsg+0xcd/0x170 [ 6715.712665][ T10] do_syscall_64+0xc6/0x1e0 [ 6715.712665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.712665][ T10] [ 6715.714542][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6715.714797][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6715.714797][ T10] netdev_get_by_index+0x5e/0x80 [ 6715.714797][ T10] fib6_nh_init+0x3d8/0x1580 [ 6715.714797][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6715.714797][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6715.714797][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6715.714797][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6715.714797][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6715.714797][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6715.714797][ T10] addrconf_dad_begin+0x310/0x670 [ 6715.714797][ T10] addrconf_dad_work+0x10b/0xab0 [ 6715.714797][ T10] process_one_work+0x84d/0x18a0 [ 6715.714797][ T10] worker_thread+0x587/0xd30 [ 6715.714797][ T10] kthread+0x28a/0x350 [ 6715.714797][ T10] ret_from_fork+0x31/0x70 [ 6715.714797][ T10] ret_from_fork_asm+0x1a/0x30 [ 6715.714797][ T10] [ 6715.716908][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6715.716908][ T10] netdev_get_by_index+0x5e/0x80 [ 6715.716908][ T10] fib6_nh_init+0x3d8/0x1580 [ 6715.716908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6715.716908][ T10] ip6_route_add+0x1c/0x140 [ 6715.716908][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6715.716908][ T10] inet6_addr_add+0x4f8/0xa40 [ 6715.716908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6715.716908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.716908][ T10] netlink_rcv_skb+0x130/0x360 [ 6715.716908][ T10] netlink_unicast+0x449/0x710 [ 6715.716908][ T10] netlink_sendmsg+0x723/0xbe0 [ 6715.716908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6715.716908][ T10] ___sys_sendmsg+0xee/0x170 [ 6715.716908][ T10] __sys_sendmsg+0xcd/0x170 [ 6715.716908][ T10] do_syscall_64+0xc6/0x1e0 [ 6715.716908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.716908][ T10] [ 6715.719303][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6715.719303][ T10] netdev_get_by_index+0x5e/0x80 [ 6715.719303][ T10] fib6_nh_init+0x3d8/0x1580 [ 6715.719303][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6715.719303][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6715.719303][ T10] ipv6_add_addr+0x411/0x2000 [ 6715.719303][ T10] inet6_addr_add+0x30e/0xa40 [ 6715.719303][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6715.719303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.719303][ T10] netlink_rcv_skb+0x130/0x360 [ 6715.719303][ T10] netlink_unicast+0x449/0x710 [ 6715.719303][ T10] netlink_sendmsg+0x723/0xbe0 [ 6715.719303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6715.719303][ T10] ___sys_sendmsg+0xee/0x170 [ 6715.719303][ T10] __sys_sendmsg+0xcd/0x170 [ 6715.719303][ T10] do_syscall_64+0xc6/0x1e0 [ 6715.719303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.719303][ T10] [ 6715.721816][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6715.721816][ T10] netdev_get_by_index+0x5e/0x80 [ 6715.721816][ T10] fib6_nh_init+0x3d8/0x1580 [ 6715.721816][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6715.721816][ T10] ip6_route_add+0x1c/0x140 [ 6715.721816][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6715.721816][ T10] addrconf_add_dev+0xe2/0x170 [ 6715.721816][ T10] inet6_addr_add+0x12f/0xa40 [ 6715.721816][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6715.721816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.721816][ T10] netlink_rcv_skb+0x130/0x360 [ 6715.721816][ T10] netlink_unicast+0x449/0x710 [ 6715.721816][ T10] netlink_sendmsg+0x723/0xbe0 [ 6715.721816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6715.721816][ T10] ___sys_sendmsg+0xee/0x170 [ 6715.721816][ T10] __sys_sendmsg+0xcd/0x170 [ 6715.721816][ T10] do_syscall_64+0xc6/0x1e0 [ 6715.721816][ T10] [ 6715.724169][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6715.724169][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6715.724169][ T10] ipv6_find_idev+0x102/0x170 [ 6715.724169][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6715.724169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.724169][ T10] netlink_rcv_skb+0x130/0x360 [ 6715.724169][ T10] netlink_unicast+0x449/0x710 [ 6715.724169][ T10] netlink_sendmsg+0x723/0xbe0 [ 6715.724169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6715.724169][ T10] ___sys_sendmsg+0xee/0x170 [ 6715.724169][ T10] __sys_sendmsg+0xcd/0x170 [ 6715.724169][ T10] do_syscall_64+0xc6/0x1e0 [ 6715.724169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.724169][ T10] [ 6715.726054][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6715.726054][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6715.726054][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6715.726054][ T10] ipv6_find_idev+0x102/0x170 [ 6715.726054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6715.726054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.726054][ T10] netlink_rcv_skb+0x130/0x360 [ 6715.726054][ T10] netlink_unicast+0x449/0x710 [ 6715.726054][ T10] netlink_sendmsg+0x723/0xbe0 [ 6715.726054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6715.726054][ T10] ___sys_sendmsg+0xee/0x170 [ 6715.726054][ T10] __sys_sendmsg+0xcd/0x170 [ 6715.726054][ T10] do_syscall_64+0xc6/0x1e0 [ 6715.726054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.726054][ T10] [ 6715.728549][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6715.728809][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6715.728809][ T10] netdev_get_by_index+0x5e/0x80 [ 6715.728809][ T10] fib6_nh_init+0x3d8/0x1580 [ 6715.728809][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6715.728809][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6715.728809][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6715.728809][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6715.728809][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6715.728809][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6715.728809][ T10] addrconf_dad_begin+0x310/0x670 [ 6715.728809][ T10] addrconf_dad_work+0x10b/0xab0 [ 6715.728809][ T10] process_one_work+0x84d/0x18a0 [ 6715.728809][ T10] worker_thread+0x587/0xd30 [ 6715.728809][ T10] kthread+0x28a/0x350 [ 6715.728809][ T10] ret_from_fork+0x31/0x70 [ 6715.728809][ T10] ret_from_fork_asm+0x1a/0x30 [ 6715.728809][ T10] [ 6715.730913][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6715.730913][ T10] netdev_get_by_index+0x5e/0x80 [ 6715.730913][ T10] fib6_nh_init+0x3d8/0x1580 [ 6715.730913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6715.730913][ T10] ip6_route_add+0x1c/0x140 [ 6715.730913][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6715.730913][ T10] inet6_addr_add+0x4f8/0xa40 [ 6715.730913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6715.730913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.730913][ T10] netlink_rcv_skb+0x130/0x360 [ 6715.730913][ T10] netlink_unicast+0x449/0x710 [ 6715.730913][ T10] netlink_sendmsg+0x723/0xbe0 [ 6715.730913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6715.730913][ T10] ___sys_sendmsg+0xee/0x170 [ 6715.730913][ T10] __sys_sendmsg+0xcd/0x170 [ 6715.730913][ T10] do_syscall_64+0xc6/0x1e0 [ 6715.730913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.730913][ T10] [ 6715.733189][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6715.733189][ T10] netdev_get_by_index+0x5e/0x80 [ 6715.733189][ T10] fib6_nh_init+0x3d8/0x1580 [ 6715.733189][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6715.733189][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6715.733189][ T10] ipv6_add_addr+0x411/0x2000 [ 6715.733189][ T10] inet6_addr_add+0x30e/0xa40 [ 6715.733189][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6715.733189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.733189][ T10] netlink_rcv_skb+0x130/0x360 [ 6715.733189][ T10] netlink_unicast+0x449/0x710 [ 6715.733189][ T10] netlink_sendmsg+0x723/0xbe0 [ 6715.733189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6715.733189][ T10] ___sys_sendmsg+0xee/0x170 [ 6715.733189][ T10] __sys_sendmsg+0xcd/0x170 [ 6715.733189][ T10] do_syscall_64+0xc6/0x1e0 [ 6715.733189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.733189][ T10] [ 6715.735702][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6715.735702][ T10] netdev_get_by_index+0x5e/0x80 [ 6715.735702][ T10] fib6_nh_init+0x3d8/0x1580 [ 6715.735702][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6715.735702][ T10] ip6_route_add+0x1c/0x140 [ 6715.735702][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6715.735702][ T10] addrconf_add_dev+0xe2/0x170 [ 6715.735702][ T10] inet6_addr_add+0x12f/0xa40 [ 6715.735702][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6715.735702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.735702][ T10] netlink_rcv_skb+0x130/0x360 [ 6715.735702][ T10] netlink_unicast+0x449/0x710 [ 6715.735702][ T10] netlink_sendmsg+0x723/0xbe0 [ 6715.735702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6715.735702][ T10] ___sys_sendmsg+0xee/0x170 [ 6715.735702][ T10] __sys_sendmsg+0xcd/0x170 [ 6715.735702][ T10] do_syscall_64+0xc6/0x1e0 [ 6715.735702][ T10] [ 6715.738125][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6715.738125][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6715.738125][ T10] ipv6_find_idev+0x102/0x170 [ 6715.738125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6715.738125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.738125][ T10] netlink_rcv_skb+0x130/0x360 [ 6715.738125][ T10] netlink_unicast+0x449/0x710 [ 6715.738125][ T10] netlink_sendmsg+0x723/0xbe0 [ 6715.738125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6715.738125][ T10] ___sys_sendmsg+0xee/0x170 [ 6715.738125][ T10] __sys_sendmsg+0xcd/0x170 [ 6715.738125][ T10] do_syscall_64+0xc6/0x1e0 [ 6715.738125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.738125][ T10] [ 6715.740014][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6715.740014][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6715.740014][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6715.740014][ T10] ipv6_find_idev+0x102/0x170 [ 6715.740014][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6715.740014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6715.740014][ T10] netlink_rcv_skb+0x130/0x360 [ 6715.740014][ T10] netlink_unicast+0x449/0x710 [ 6715.740014][ T10] netlink_sendmsg+0x723/0xbe0 [ 6715.740014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6715.740014][ T10] ___sys_sendmsg+0xee/0x170 [ 6715.740014][ T10] __sys_sendmsg+0xcd/0x170 [ 6715.740014][ T10] do_syscall_64+0xc6/0x1e0 [ 6715.740014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6715.740014][ T10] [ 6723.137117][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6723.137622][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6723.137622][ T1167] dst_init+0x84/0x4a0 [ 6723.137622][ T1167] dst_alloc+0x97/0x150 [ 6723.137622][ T1167] ip6_dst_alloc+0x23/0x90 [ 6723.137622][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6723.137622][ T1167] ip6_pol_route+0x56f/0x840 [ 6723.137622][ T1167] fib6_rule_lookup+0x334/0x630 [ 6723.137622][ T1167] ip6_route_output_flags+0x259/0x480 [ 6723.137622][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6723.137622][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6723.137622][ T1167] netlink_rcv_skb+0x130/0x360 [ 6723.137622][ T1167] netlink_unicast+0x449/0x710 [ 6723.137622][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6723.137622][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6723.137622][ T1167] ___sys_sendmsg+0xee/0x170 [ 6723.137622][ T1167] __sys_sendmsg+0xcd/0x170 [ 6723.137622][ T1167] do_syscall_64+0xc6/0x1e0 [ 6723.137622][ T1167] [ 6723.139841][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6723.139841][ T1167] netdev_get_by_index+0x5e/0x80 [ 6723.139841][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6723.139841][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6723.139841][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6723.139841][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6723.139841][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6723.139841][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6723.139841][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6723.139841][ T1167] addrconf_dad_begin+0x310/0x670 [ 6723.139841][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6723.139841][ T1167] process_one_work+0x84d/0x18a0 [ 6723.139841][ T1167] worker_thread+0x587/0xd30 [ 6723.139841][ T1167] kthread+0x28a/0x350 [ 6723.139841][ T1167] ret_from_fork+0x31/0x70 [ 6723.139841][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6723.139841][ T1167] [ 6723.141981][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6723.141981][ T1167] netdev_get_by_index+0x5e/0x80 [ 6723.141981][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6723.141981][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6723.141981][ T1167] ip6_route_add+0x1c/0x140 [ 6723.141981][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6723.141981][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6723.141981][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6723.141981][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6723.141981][ T1167] netlink_rcv_skb+0x130/0x360 [ 6723.141981][ T1167] netlink_unicast+0x449/0x710 [ 6723.141981][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6723.141981][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6723.141981][ T1167] ___sys_sendmsg+0xee/0x170 [ 6723.141981][ T1167] __sys_sendmsg+0xcd/0x170 [ 6723.141981][ T1167] do_syscall_64+0xc6/0x1e0 [ 6723.141981][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6723.141981][ T1167] [ 6723.144221][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6723.144221][ T1167] netdev_get_by_index+0x5e/0x80 [ 6723.144221][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6723.144221][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6723.144221][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6723.144221][ T1167] ipv6_add_addr+0x411/0x2000 [ 6723.144221][ T1167] inet6_addr_add+0x30e/0xa40 [ 6723.144221][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6723.144221][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6723.144221][ T1167] netlink_rcv_skb+0x130/0x360 [ 6723.144221][ T1167] netlink_unicast+0x449/0x710 [ 6723.144221][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6723.144221][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6723.144221][ T1167] ___sys_sendmsg+0xee/0x170 [ 6723.144221][ T1167] __sys_sendmsg+0xcd/0x170 [ 6723.144221][ T1167] do_syscall_64+0xc6/0x1e0 [ 6723.144221][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6723.144221][ T1167] [ 6723.146493][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6723.146493][ T1167] netdev_get_by_index+0x5e/0x80 [ 6723.146493][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6723.146493][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6723.146493][ T1167] ip6_route_add+0x1c/0x140 [ 6723.146493][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6723.146493][ T1167] addrconf_add_dev+0xe2/0x170 [ 6723.146493][ T1167] inet6_addr_add+0x12f/0xa40 [ 6723.146493][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6723.146493][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6723.146493][ T1167] netlink_rcv_skb+0x130/0x360 [ 6723.146493][ T1167] netlink_unicast+0x449/0x710 [ 6723.146493][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6723.146493][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6723.146493][ T1167] ___sys_sendmsg+0xee/0x170 [ 6723.146493][ T1167] __sys_sendmsg+0xcd/0x170 [ 6723.146493][ T1167] do_syscall_64+0xc6/0x1e0 [ 6723.146493][ T1167] [ 6723.148702][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6723.148702][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6723.148702][ T1167] ipv6_find_idev+0x102/0x170 [ 6723.148702][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6723.148702][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6723.148702][ T1167] netlink_rcv_skb+0x130/0x360 [ 6723.148702][ T1167] netlink_unicast+0x449/0x710 [ 6723.148702][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6723.148702][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6723.148702][ T1167] ___sys_sendmsg+0xee/0x170 [ 6723.148702][ T1167] __sys_sendmsg+0xcd/0x170 [ 6723.148702][ T1167] do_syscall_64+0xc6/0x1e0 [ 6723.148702][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6723.148702][ T1167] [ 6723.150412][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6723.150412][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6723.150412][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6723.150412][ T1167] ipv6_find_idev+0x102/0x170 [ 6723.150412][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6723.150412][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6723.150412][ T1167] netlink_rcv_skb+0x130/0x360 [ 6723.150412][ T1167] netlink_unicast+0x449/0x710 [ 6723.150412][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6723.150412][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6723.150412][ T1167] ___sys_sendmsg+0xee/0x170 [ 6723.150412][ T1167] __sys_sendmsg+0xcd/0x170 [ 6723.150412][ T1167] do_syscall_64+0xc6/0x1e0 [ 6723.150412][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6723.150412][ T1167] [ 6725.985116][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6725.985548][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6725.985548][ T10] netdev_get_by_index+0x5e/0x80 [ 6725.985548][ T10] fib6_nh_init+0x3d8/0x1580 [ 6725.985548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6725.985548][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6725.985548][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6725.985548][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6725.985548][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6725.985548][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6725.985548][ T10] addrconf_dad_begin+0x310/0x670 [ 6725.985548][ T10] addrconf_dad_work+0x10b/0xab0 [ 6725.985548][ T10] process_one_work+0x84d/0x18a0 [ 6725.985548][ T10] worker_thread+0x587/0xd30 [ 6725.985548][ T10] kthread+0x28a/0x350 [ 6725.985548][ T10] ret_from_fork+0x31/0x70 [ 6725.985548][ T10] ret_from_fork_asm+0x1a/0x30 [ 6725.985548][ T10] [ 6725.987694][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6725.987694][ T10] netdev_get_by_index+0x5e/0x80 [ 6725.987694][ T10] fib6_nh_init+0x3d8/0x1580 [ 6725.987694][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6725.987694][ T10] ip6_route_add+0x1c/0x140 [ 6725.987694][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6725.987694][ T10] inet6_addr_add+0x4f8/0xa40 [ 6725.987694][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6725.987694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6725.987694][ T10] netlink_rcv_skb+0x130/0x360 [ 6725.987694][ T10] netlink_unicast+0x449/0x710 [ 6725.987694][ T10] netlink_sendmsg+0x723/0xbe0 [ 6725.987694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6725.987694][ T10] ___sys_sendmsg+0xee/0x170 [ 6725.987694][ T10] __sys_sendmsg+0xcd/0x170 [ 6725.987694][ T10] do_syscall_64+0xc6/0x1e0 [ 6725.987694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6725.987694][ T10] [ 6725.989917][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6725.989917][ T10] netdev_get_by_index+0x5e/0x80 [ 6725.989917][ T10] fib6_nh_init+0x3d8/0x1580 [ 6725.989917][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6725.989917][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6725.989917][ T10] ipv6_add_addr+0x411/0x2000 [ 6725.989917][ T10] inet6_addr_add+0x30e/0xa40 [ 6725.989917][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6725.989917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6725.989917][ T10] netlink_rcv_skb+0x130/0x360 [ 6725.989917][ T10] netlink_unicast+0x449/0x710 [ 6725.989917][ T10] netlink_sendmsg+0x723/0xbe0 [ 6725.989917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6725.989917][ T10] ___sys_sendmsg+0xee/0x170 [ 6725.989917][ T10] __sys_sendmsg+0xcd/0x170 [ 6725.989917][ T10] do_syscall_64+0xc6/0x1e0 [ 6725.989917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6725.989917][ T10] [ 6725.992136][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6725.992136][ T10] netdev_get_by_index+0x5e/0x80 [ 6725.992136][ T10] fib6_nh_init+0x3d8/0x1580 [ 6725.992136][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6725.992136][ T10] ip6_route_add+0x1c/0x140 [ 6725.992136][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6725.992136][ T10] addrconf_add_dev+0xe2/0x170 [ 6725.992136][ T10] inet6_addr_add+0x12f/0xa40 [ 6725.992136][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6725.992136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6725.992136][ T10] netlink_rcv_skb+0x130/0x360 [ 6725.992136][ T10] netlink_unicast+0x449/0x710 [ 6725.992136][ T10] netlink_sendmsg+0x723/0xbe0 [ 6725.992136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6725.992136][ T10] ___sys_sendmsg+0xee/0x170 [ 6725.992136][ T10] __sys_sendmsg+0xcd/0x170 [ 6725.992136][ T10] do_syscall_64+0xc6/0x1e0 [ 6725.992136][ T10] [ 6725.994312][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6725.994312][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6725.994312][ T10] ipv6_find_idev+0x102/0x170 [ 6725.994312][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6725.994312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6725.994312][ T10] netlink_rcv_skb+0x130/0x360 [ 6725.994312][ T10] netlink_unicast+0x449/0x710 [ 6725.994312][ T10] netlink_sendmsg+0x723/0xbe0 [ 6725.994312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6725.994312][ T10] ___sys_sendmsg+0xee/0x170 [ 6725.994312][ T10] __sys_sendmsg+0xcd/0x170 [ 6725.994312][ T10] do_syscall_64+0xc6/0x1e0 [ 6725.994312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6725.994312][ T10] [ 6725.996004][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6725.996004][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6725.996004][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6725.996004][ T10] ipv6_find_idev+0x102/0x170 [ 6725.996004][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6725.996004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6725.996004][ T10] netlink_rcv_skb+0x130/0x360 [ 6725.996004][ T10] netlink_unicast+0x449/0x710 [ 6725.996004][ T10] netlink_sendmsg+0x723/0xbe0 [ 6725.996004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6725.996004][ T10] ___sys_sendmsg+0xee/0x170 [ 6725.996004][ T10] __sys_sendmsg+0xcd/0x170 [ 6725.996004][ T10] do_syscall_64+0xc6/0x1e0 [ 6725.996004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6725.996004][ T10] [ 6725.997877][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6725.998158][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6725.998158][ T10] netdev_get_by_index+0x5e/0x80 [ 6725.998158][ T10] fib6_nh_init+0x3d8/0x1580 [ 6725.998158][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6725.998158][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6725.998158][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6725.998158][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6725.998158][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6725.998158][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6725.998158][ T10] addrconf_dad_begin+0x310/0x670 [ 6725.998158][ T10] addrconf_dad_work+0x10b/0xab0 [ 6725.998158][ T10] process_one_work+0x84d/0x18a0 [ 6725.998158][ T10] worker_thread+0x587/0xd30 [ 6725.998158][ T10] kthread+0x28a/0x350 [ 6725.998158][ T10] ret_from_fork+0x31/0x70 [ 6725.998158][ T10] ret_from_fork_asm+0x1a/0x30 [ 6725.998158][ T10] [ 6726.000273][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6726.000273][ T10] netdev_get_by_index+0x5e/0x80 [ 6726.000273][ T10] fib6_nh_init+0x3d8/0x1580 [ 6726.000273][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6726.000273][ T10] ip6_route_add+0x1c/0x140 [ 6726.000273][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6726.000273][ T10] inet6_addr_add+0x4f8/0xa40 [ 6726.000273][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6726.000273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6726.000273][ T10] netlink_rcv_skb+0x130/0x360 [ 6726.000273][ T10] netlink_unicast+0x449/0x710 [ 6726.000273][ T10] netlink_sendmsg+0x723/0xbe0 [ 6726.000273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6726.000273][ T10] ___sys_sendmsg+0xee/0x170 [ 6726.000273][ T10] __sys_sendmsg+0xcd/0x170 [ 6726.000273][ T10] do_syscall_64+0xc6/0x1e0 [ 6726.000273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6726.000273][ T10] [ 6726.002480][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6726.002480][ T10] netdev_get_by_index+0x5e/0x80 [ 6726.002480][ T10] fib6_nh_init+0x3d8/0x1580 [ 6726.002480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6726.002480][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6726.002480][ T10] ipv6_add_addr+0x411/0x2000 [ 6726.002480][ T10] inet6_addr_add+0x30e/0xa40 [ 6726.002480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6726.002480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6726.002480][ T10] netlink_rcv_skb+0x130/0x360 [ 6726.002480][ T10] netlink_unicast+0x449/0x710 [ 6726.002480][ T10] netlink_sendmsg+0x723/0xbe0 [ 6726.002480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6726.002480][ T10] ___sys_sendmsg+0xee/0x170 [ 6726.002480][ T10] __sys_sendmsg+0xcd/0x170 [ 6726.002480][ T10] do_syscall_64+0xc6/0x1e0 [ 6726.002480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6726.002480][ T10] [ 6726.004703][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6726.004703][ T10] netdev_get_by_index+0x5e/0x80 [ 6726.004703][ T10] fib6_nh_init+0x3d8/0x1580 [ 6726.004703][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6726.004703][ T10] ip6_route_add+0x1c/0x140 [ 6726.004703][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6726.004703][ T10] addrconf_add_dev+0xe2/0x170 [ 6726.004703][ T10] inet6_addr_add+0x12f/0xa40 [ 6726.004703][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6726.004703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6726.004703][ T10] netlink_rcv_skb+0x130/0x360 [ 6726.004703][ T10] netlink_unicast+0x449/0x710 [ 6726.004703][ T10] netlink_sendmsg+0x723/0xbe0 [ 6726.004703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6726.004703][ T10] ___sys_sendmsg+0xee/0x170 [ 6726.004703][ T10] __sys_sendmsg+0xcd/0x170 [ 6726.004703][ T10] do_syscall_64+0xc6/0x1e0 [ 6726.004703][ T10] [ 6726.006886][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6726.006886][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6726.006886][ T10] ipv6_find_idev+0x102/0x170 [ 6726.006886][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6726.006886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6726.006886][ T10] netlink_rcv_skb+0x130/0x360 [ 6726.006886][ T10] netlink_unicast+0x449/0x710 [ 6726.006886][ T10] netlink_sendmsg+0x723/0xbe0 [ 6726.006886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6726.006886][ T10] ___sys_sendmsg+0xee/0x170 [ 6726.006886][ T10] __sys_sendmsg+0xcd/0x170 [ 6726.006886][ T10] do_syscall_64+0xc6/0x1e0 [ 6726.006886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6726.006886][ T10] [ 6726.008594][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6726.008594][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6726.008594][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6726.008594][ T10] ipv6_find_idev+0x102/0x170 [ 6726.008594][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6726.008594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6726.008594][ T10] netlink_rcv_skb+0x130/0x360 [ 6726.008594][ T10] netlink_unicast+0x449/0x710 [ 6726.008594][ T10] netlink_sendmsg+0x723/0xbe0 [ 6726.008594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6726.008594][ T10] ___sys_sendmsg+0xee/0x170 [ 6726.008594][ T10] __sys_sendmsg+0xcd/0x170 [ 6726.008594][ T10] do_syscall_64+0xc6/0x1e0 [ 6726.008594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6726.008594][ T10] [ 6726.010471][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6726.010762][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6726.010762][ T10] netdev_get_by_index+0x5e/0x80 [ 6726.010762][ T10] fib6_nh_init+0x3d8/0x1580 [ 6726.010762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6726.010762][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6726.010762][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6726.010762][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6726.010762][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6726.010762][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6726.010762][ T10] addrconf_dad_begin+0x310/0x670 [ 6726.010762][ T10] addrconf_dad_work+0x10b/0xab0 [ 6726.010762][ T10] process_one_work+0x84d/0x18a0 [ 6726.010762][ T10] worker_thread+0x587/0xd30 [ 6726.010762][ T10] kthread+0x28a/0x350 [ 6726.010762][ T10] ret_from_fork+0x31/0x70 [ 6726.010762][ T10] ret_from_fork_asm+0x1a/0x30 [ 6726.010762][ T10] [ 6726.012880][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6726.012880][ T10] netdev_get_by_index+0x5e/0x80 [ 6726.012880][ T10] fib6_nh_init+0x3d8/0x1580 [ 6726.012880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6726.012880][ T10] ip6_route_add+0x1c/0x140 [ 6726.012880][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6726.012880][ T10] inet6_addr_add+0x4f8/0xa40 [ 6726.012880][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6726.012880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6726.012880][ T10] netlink_rcv_skb+0x130/0x360 [ 6726.012880][ T10] netlink_unicast+0x449/0x710 [ 6726.012880][ T10] netlink_sendmsg+0x723/0xbe0 [ 6726.012880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6726.012880][ T10] ___sys_sendmsg+0xee/0x170 [ 6726.012880][ T10] __sys_sendmsg+0xcd/0x170 [ 6726.012880][ T10] do_syscall_64+0xc6/0x1e0 [ 6726.012880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6726.012880][ T10] [ 6726.015403][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6726.015403][ T10] netdev_get_by_index+0x5e/0x80 [ 6726.015403][ T10] fib6_nh_init+0x3d8/0x1580 [ 6726.015403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6726.015403][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6726.015403][ T10] ipv6_add_addr+0x411/0x2000 [ 6726.015403][ T10] inet6_addr_add+0x30e/0xa40 [ 6726.015403][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6726.015403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6726.015403][ T10] netlink_rcv_skb+0x130/0x360 [ 6726.015403][ T10] netlink_unicast+0x449/0x710 [ 6726.015403][ T10] netlink_sendmsg+0x723/0xbe0 [ 6726.015403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6726.015403][ T10] ___sys_sendmsg+0xee/0x170 [ 6726.015403][ T10] __sys_sendmsg+0xcd/0x170 [ 6726.015403][ T10] do_syscall_64+0xc6/0x1e0 [ 6726.015403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6726.015403][ T10] [ 6726.017883][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6726.017883][ T10] netdev_get_by_index+0x5e/0x80 [ 6726.017883][ T10] fib6_nh_init+0x3d8/0x1580 [ 6726.017883][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6726.017883][ T10] ip6_route_add+0x1c/0x140 [ 6726.017883][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6726.017883][ T10] addrconf_add_dev+0xe2/0x170 [ 6726.017883][ T10] inet6_addr_add+0x12f/0xa40 [ 6726.017883][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6726.017883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6726.017883][ T10] netlink_rcv_skb+0x130/0x360 [ 6726.017883][ T10] netlink_unicast+0x449/0x710 [ 6726.017883][ T10] netlink_sendmsg+0x723/0xbe0 [ 6726.017883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6726.017883][ T10] ___sys_sendmsg+0xee/0x170 [ 6726.017883][ T10] __sys_sendmsg+0xcd/0x170 [ 6726.017883][ T10] do_syscall_64+0xc6/0x1e0 [ 6726.017883][ T10] [ 6726.020234][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6726.020234][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6726.020234][ T10] ipv6_find_idev+0x102/0x170 [ 6726.020234][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6726.020234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6726.020234][ T10] netlink_rcv_skb+0x130/0x360 [ 6726.020234][ T10] netlink_unicast+0x449/0x710 [ 6726.020234][ T10] netlink_sendmsg+0x723/0xbe0 [ 6726.020234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6726.020234][ T10] ___sys_sendmsg+0xee/0x170 [ 6726.020234][ T10] __sys_sendmsg+0xcd/0x170 [ 6726.020234][ T10] do_syscall_64+0xc6/0x1e0 [ 6726.020234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6726.020234][ T10] [ 6726.022113][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6726.022113][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6726.022113][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6726.022113][ T10] ipv6_find_idev+0x102/0x170 [ 6726.022113][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6726.022113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6726.022113][ T10] netlink_rcv_skb+0x130/0x360 [ 6726.022113][ T10] netlink_unicast+0x449/0x710 [ 6726.022113][ T10] netlink_sendmsg+0x723/0xbe0 [ 6726.022113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6726.022113][ T10] ___sys_sendmsg+0xee/0x170 [ 6726.022113][ T10] __sys_sendmsg+0xcd/0x170 [ 6726.022113][ T10] do_syscall_64+0xc6/0x1e0 [ 6726.022113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6726.022113][ T10] [ 6726.024218][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6726.024481][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6726.024481][ T10] netdev_get_by_index+0x5e/0x80 [ 6726.024481][ T10] fib6_nh_init+0x3d8/0x1580 [ 6726.024481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6726.024481][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6726.024481][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6726.024481][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6726.024481][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6726.024481][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6726.024481][ T10] addrconf_dad_begin+0x310/0x670 [ 6726.024481][ T10] addrconf_dad_work+0x10b/0xab0 [ 6726.024481][ T10] process_one_work+0x84d/0x18a0 [ 6726.024481][ T10] worker_thread+0x587/0xd30 [ 6726.024481][ T10] kthread+0x28a/0x350 [ 6726.024481][ T10] ret_from_fork+0x31/0x70 [ 6726.024481][ T10] ret_from_fork_asm+0x1a/0x30 [ 6726.024481][ T10] [ 6726.026912][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6726.026912][ T10] netdev_get_by_index+0x5e/0x80 [ 6726.026912][ T10] fib6_nh_init+0x3d8/0x1580 [ 6726.026912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6726.026912][ T10] ip6_route_add+0x1c/0x140 [ 6726.026912][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6726.026912][ T10] inet6_addr_add+0x4f8/0xa40 [ 6726.026912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6726.026912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6726.026912][ T10] netlink_rcv_skb+0x130/0x360 [ 6726.026912][ T10] netlink_unicast+0x449/0x710 [ 6726.026912][ T10] netlink_sendmsg+0x723/0xbe0 [ 6726.026912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6726.026912][ T10] ___sys_sendmsg+0xee/0x170 [ 6726.026912][ T10] __sys_sendmsg+0xcd/0x170 [ 6726.026912][ T10] do_syscall_64+0xc6/0x1e0 [ 6726.026912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6726.026912][ T10] [ 6726.029319][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6726.029319][ T10] netdev_get_by_index+0x5e/0x80 [ 6726.029319][ T10] fib6_nh_init+0x3d8/0x1580 [ 6726.029319][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6726.029319][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6726.029319][ T10] ipv6_add_addr+0x411/0x2000 [ 6726.029319][ T10] inet6_addr_add+0x30e/0xa40 [ 6726.029319][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6726.029319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6726.029319][ T10] netlink_rcv_skb+0x130/0x360 [ 6726.029319][ T10] netlink_unicast+0x449/0x710 [ 6726.029319][ T10] netlink_sendmsg+0x723/0xbe0 [ 6726.029319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6726.029319][ T10] ___sys_sendmsg+0xee/0x170 [ 6726.029319][ T10] __sys_sendmsg+0xcd/0x170 [ 6726.029319][ T10] do_syscall_64+0xc6/0x1e0 [ 6726.029319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6726.029319][ T10] [ 6726.031774][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6726.031774][ T10] netdev_get_by_index+0x5e/0x80 [ 6726.031774][ T10] fib6_nh_init+0x3d8/0x1580 [ 6726.031774][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6726.031774][ T10] ip6_route_add+0x1c/0x140 [ 6726.031774][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6726.031774][ T10] addrconf_add_dev+0xe2/0x170 [ 6726.031774][ T10] inet6_addr_add+0x12f/0xa40 [ 6726.031774][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6726.031774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6726.031774][ T10] netlink_rcv_skb+0x130/0x360 [ 6726.031774][ T10] netlink_unicast+0x449/0x710 [ 6726.031774][ T10] netlink_sendmsg+0x723/0xbe0 [ 6726.031774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6726.031774][ T10] ___sys_sendmsg+0xee/0x170 [ 6726.031774][ T10] __sys_sendmsg+0xcd/0x170 [ 6726.031774][ T10] do_syscall_64+0xc6/0x1e0 [ 6726.031774][ T10] [ 6726.034192][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6726.034192][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6726.034192][ T10] ipv6_find_idev+0x102/0x170 [ 6726.034192][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6726.034192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6726.034192][ T10] netlink_rcv_skb+0x130/0x360 [ 6726.034192][ T10] netlink_unicast+0x449/0x710 [ 6726.034192][ T10] netlink_sendmsg+0x723/0xbe0 [ 6726.034192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6726.034192][ T10] ___sys_sendmsg+0xee/0x170 [ 6726.034192][ T10] __sys_sendmsg+0xcd/0x170 [ 6726.034192][ T10] do_syscall_64+0xc6/0x1e0 [ 6726.034192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6726.034192][ T10] [ 6726.036127][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6726.036127][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6726.036127][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6726.036127][ T10] ipv6_find_idev+0x102/0x170 [ 6726.036127][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6726.036127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6726.036127][ T10] netlink_rcv_skb+0x130/0x360 [ 6726.036127][ T10] netlink_unicast+0x449/0x710 [ 6726.036127][ T10] netlink_sendmsg+0x723/0xbe0 [ 6726.036127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6726.036127][ T10] ___sys_sendmsg+0xee/0x170 [ 6726.036127][ T10] __sys_sendmsg+0xcd/0x170 [ 6726.036127][ T10] do_syscall_64+0xc6/0x1e0 [ 6726.036127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6726.036127][ T10] [ 6733.393109][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6733.393618][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6733.393618][ T1167] dst_init+0x84/0x4a0 [ 6733.393618][ T1167] dst_alloc+0x97/0x150 [ 6733.393618][ T1167] ip6_dst_alloc+0x23/0x90 [ 6733.393618][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6733.393618][ T1167] ip6_pol_route+0x56f/0x840 [ 6733.393618][ T1167] fib6_rule_lookup+0x334/0x630 [ 6733.393618][ T1167] ip6_route_output_flags+0x259/0x480 [ 6733.393618][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6733.393618][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6733.393618][ T1167] netlink_rcv_skb+0x130/0x360 [ 6733.393618][ T1167] netlink_unicast+0x449/0x710 [ 6733.393618][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6733.393618][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6733.393618][ T1167] ___sys_sendmsg+0xee/0x170 [ 6733.393618][ T1167] __sys_sendmsg+0xcd/0x170 [ 6733.393618][ T1167] do_syscall_64+0xc6/0x1e0 [ 6733.393618][ T1167] [ 6733.395837][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6733.395837][ T1167] netdev_get_by_index+0x5e/0x80 [ 6733.395837][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6733.395837][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6733.395837][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6733.395837][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6733.395837][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6733.395837][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6733.395837][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6733.395837][ T1167] addrconf_dad_begin+0x310/0x670 [ 6733.395837][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6733.395837][ T1167] process_one_work+0x84d/0x18a0 [ 6733.395837][ T1167] worker_thread+0x587/0xd30 [ 6733.395837][ T1167] kthread+0x28a/0x350 [ 6733.395837][ T1167] ret_from_fork+0x31/0x70 [ 6733.395837][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6733.395837][ T1167] [ 6733.397984][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6733.397984][ T1167] netdev_get_by_index+0x5e/0x80 [ 6733.397984][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6733.397984][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6733.397984][ T1167] ip6_route_add+0x1c/0x140 [ 6733.397984][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6733.397984][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6733.397984][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6733.397984][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6733.397984][ T1167] netlink_rcv_skb+0x130/0x360 [ 6733.397984][ T1167] netlink_unicast+0x449/0x710 [ 6733.397984][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6733.397984][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6733.397984][ T1167] ___sys_sendmsg+0xee/0x170 [ 6733.397984][ T1167] __sys_sendmsg+0xcd/0x170 [ 6733.397984][ T1167] do_syscall_64+0xc6/0x1e0 [ 6733.397984][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6733.397984][ T1167] [ 6733.400235][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6733.400235][ T1167] netdev_get_by_index+0x5e/0x80 [ 6733.400235][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6733.400235][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6733.400235][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6733.400235][ T1167] ipv6_add_addr+0x411/0x2000 [ 6733.400235][ T1167] inet6_addr_add+0x30e/0xa40 [ 6733.400235][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6733.400235][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6733.400235][ T1167] netlink_rcv_skb+0x130/0x360 [ 6733.400235][ T1167] netlink_unicast+0x449/0x710 [ 6733.400235][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6733.400235][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6733.400235][ T1167] ___sys_sendmsg+0xee/0x170 [ 6733.400235][ T1167] __sys_sendmsg+0xcd/0x170 [ 6733.400235][ T1167] do_syscall_64+0xc6/0x1e0 [ 6733.400235][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6733.400235][ T1167] [ 6733.402498][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6733.402498][ T1167] netdev_get_by_index+0x5e/0x80 [ 6733.402498][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6733.402498][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6733.402498][ T1167] ip6_route_add+0x1c/0x140 [ 6733.402498][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6733.402498][ T1167] addrconf_add_dev+0xe2/0x170 [ 6733.402498][ T1167] inet6_addr_add+0x12f/0xa40 [ 6733.402498][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6733.402498][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6733.402498][ T1167] netlink_rcv_skb+0x130/0x360 [ 6733.402498][ T1167] netlink_unicast+0x449/0x710 [ 6733.402498][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6733.402498][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6733.402498][ T1167] ___sys_sendmsg+0xee/0x170 [ 6733.402498][ T1167] __sys_sendmsg+0xcd/0x170 [ 6733.402498][ T1167] do_syscall_64+0xc6/0x1e0 [ 6733.402498][ T1167] [ 6733.404690][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6733.404690][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6733.404690][ T1167] ipv6_find_idev+0x102/0x170 [ 6733.404690][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6733.404690][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6733.404690][ T1167] netlink_rcv_skb+0x130/0x360 [ 6733.404690][ T1167] netlink_unicast+0x449/0x710 [ 6733.404690][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6733.404690][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6733.404690][ T1167] ___sys_sendmsg+0xee/0x170 [ 6733.404690][ T1167] __sys_sendmsg+0xcd/0x170 [ 6733.404690][ T1167] do_syscall_64+0xc6/0x1e0 [ 6733.404690][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6733.404690][ T1167] [ 6733.406418][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6733.406418][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6733.406418][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6733.406418][ T1167] ipv6_find_idev+0x102/0x170 [ 6733.406418][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6733.406418][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6733.406418][ T1167] netlink_rcv_skb+0x130/0x360 [ 6733.406418][ T1167] netlink_unicast+0x449/0x710 [ 6733.406418][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6733.406418][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6733.406418][ T1167] ___sys_sendmsg+0xee/0x170 [ 6733.406418][ T1167] __sys_sendmsg+0xcd/0x170 [ 6733.406418][ T1167] do_syscall_64+0xc6/0x1e0 [ 6733.406418][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6733.406418][ T1167] [ 6736.281181][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6736.281622][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6736.281622][ T10] netdev_get_by_index+0x5e/0x80 [ 6736.281622][ T10] fib6_nh_init+0x3d8/0x1580 [ 6736.281622][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6736.281622][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6736.281622][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6736.281622][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6736.281622][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6736.281622][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6736.281622][ T10] addrconf_dad_begin+0x310/0x670 [ 6736.281622][ T10] addrconf_dad_work+0x10b/0xab0 [ 6736.281622][ T10] process_one_work+0x84d/0x18a0 [ 6736.281622][ T10] worker_thread+0x587/0xd30 [ 6736.281622][ T10] kthread+0x28a/0x350 [ 6736.281622][ T10] ret_from_fork+0x31/0x70 [ 6736.281622][ T10] ret_from_fork_asm+0x1a/0x30 [ 6736.281622][ T10] [ 6736.283764][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6736.283764][ T10] netdev_get_by_index+0x5e/0x80 [ 6736.283764][ T10] fib6_nh_init+0x3d8/0x1580 [ 6736.283764][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6736.283764][ T10] ip6_route_add+0x1c/0x140 [ 6736.283764][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6736.283764][ T10] inet6_addr_add+0x4f8/0xa40 [ 6736.283764][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6736.283764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6736.283764][ T10] netlink_rcv_skb+0x130/0x360 [ 6736.283764][ T10] netlink_unicast+0x449/0x710 [ 6736.283764][ T10] netlink_sendmsg+0x723/0xbe0 [ 6736.283764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6736.283764][ T10] ___sys_sendmsg+0xee/0x170 [ 6736.283764][ T10] __sys_sendmsg+0xcd/0x170 [ 6736.283764][ T10] do_syscall_64+0xc6/0x1e0 [ 6736.283764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6736.283764][ T10] [ 6736.286005][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6736.286005][ T10] netdev_get_by_index+0x5e/0x80 [ 6736.286005][ T10] fib6_nh_init+0x3d8/0x1580 [ 6736.286005][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6736.286005][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6736.286005][ T10] ipv6_add_addr+0x411/0x2000 [ 6736.286005][ T10] inet6_addr_add+0x30e/0xa40 [ 6736.286005][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6736.286005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6736.286005][ T10] netlink_rcv_skb+0x130/0x360 [ 6736.286005][ T10] netlink_unicast+0x449/0x710 [ 6736.286005][ T10] netlink_sendmsg+0x723/0xbe0 [ 6736.286005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6736.286005][ T10] ___sys_sendmsg+0xee/0x170 [ 6736.286005][ T10] __sys_sendmsg+0xcd/0x170 [ 6736.286005][ T10] do_syscall_64+0xc6/0x1e0 [ 6736.286005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6736.286005][ T10] [ 6736.288224][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6736.288224][ T10] netdev_get_by_index+0x5e/0x80 [ 6736.288224][ T10] fib6_nh_init+0x3d8/0x1580 [ 6736.288224][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6736.288224][ T10] ip6_route_add+0x1c/0x140 [ 6736.288224][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6736.288224][ T10] addrconf_add_dev+0xe2/0x170 [ 6736.288224][ T10] inet6_addr_add+0x12f/0xa40 [ 6736.288224][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6736.288224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6736.288224][ T10] netlink_rcv_skb+0x130/0x360 [ 6736.288224][ T10] netlink_unicast+0x449/0x710 [ 6736.288224][ T10] netlink_sendmsg+0x723/0xbe0 [ 6736.288224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6736.288224][ T10] ___sys_sendmsg+0xee/0x170 [ 6736.288224][ T10] __sys_sendmsg+0xcd/0x170 [ 6736.288224][ T10] do_syscall_64+0xc6/0x1e0 [ 6736.288224][ T10] [ 6736.290411][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6736.290411][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6736.290411][ T10] ipv6_find_idev+0x102/0x170 [ 6736.290411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6736.290411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6736.290411][ T10] netlink_rcv_skb+0x130/0x360 [ 6736.290411][ T10] netlink_unicast+0x449/0x710 [ 6736.290411][ T10] netlink_sendmsg+0x723/0xbe0 [ 6736.290411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6736.290411][ T10] ___sys_sendmsg+0xee/0x170 [ 6736.290411][ T10] __sys_sendmsg+0xcd/0x170 [ 6736.290411][ T10] do_syscall_64+0xc6/0x1e0 [ 6736.290411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6736.290411][ T10] [ 6736.292122][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6736.292122][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6736.292122][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6736.292122][ T10] ipv6_find_idev+0x102/0x170 [ 6736.292122][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6736.292122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6736.292122][ T10] netlink_rcv_skb+0x130/0x360 [ 6736.292122][ T10] netlink_unicast+0x449/0x710 [ 6736.292122][ T10] netlink_sendmsg+0x723/0xbe0 [ 6736.292122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6736.292122][ T10] ___sys_sendmsg+0xee/0x170 [ 6736.292122][ T10] __sys_sendmsg+0xcd/0x170 [ 6736.292122][ T10] do_syscall_64+0xc6/0x1e0 [ 6736.292122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6736.292122][ T10] [ 6736.294018][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6736.294277][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6736.294277][ T10] netdev_get_by_index+0x5e/0x80 [ 6736.294277][ T10] fib6_nh_init+0x3d8/0x1580 [ 6736.294277][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6736.294277][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6736.294277][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6736.294277][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6736.294277][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6736.294277][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6736.294277][ T10] addrconf_dad_begin+0x310/0x670 [ 6736.294277][ T10] addrconf_dad_work+0x10b/0xab0 [ 6736.294277][ T10] process_one_work+0x84d/0x18a0 [ 6736.294277][ T10] worker_thread+0x587/0xd30 [ 6736.294277][ T10] kthread+0x28a/0x350 [ 6736.294277][ T10] ret_from_fork+0x31/0x70 [ 6736.294277][ T10] ret_from_fork_asm+0x1a/0x30 [ 6736.294277][ T10] [ 6736.296394][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6736.296394][ T10] netdev_get_by_index+0x5e/0x80 [ 6736.296394][ T10] fib6_nh_init+0x3d8/0x1580 [ 6736.296394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6736.296394][ T10] ip6_route_add+0x1c/0x140 [ 6736.296394][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6736.296394][ T10] inet6_addr_add+0x4f8/0xa40 [ 6736.296394][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6736.296394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6736.296394][ T10] netlink_rcv_skb+0x130/0x360 [ 6736.296394][ T10] netlink_unicast+0x449/0x710 [ 6736.296394][ T10] netlink_sendmsg+0x723/0xbe0 [ 6736.296394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6736.296394][ T10] ___sys_sendmsg+0xee/0x170 [ 6736.296394][ T10] __sys_sendmsg+0xcd/0x170 [ 6736.296394][ T10] do_syscall_64+0xc6/0x1e0 [ 6736.296394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6736.296394][ T10] [ 6736.298612][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6736.298612][ T10] netdev_get_by_index+0x5e/0x80 [ 6736.298612][ T10] fib6_nh_init+0x3d8/0x1580 [ 6736.298612][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6736.298612][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6736.298612][ T10] ipv6_add_addr+0x411/0x2000 [ 6736.298612][ T10] inet6_addr_add+0x30e/0xa40 [ 6736.298612][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6736.298612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6736.298612][ T10] netlink_rcv_skb+0x130/0x360 [ 6736.298612][ T10] netlink_unicast+0x449/0x710 [ 6736.298612][ T10] netlink_sendmsg+0x723/0xbe0 [ 6736.298612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6736.298612][ T10] ___sys_sendmsg+0xee/0x170 [ 6736.298612][ T10] __sys_sendmsg+0xcd/0x170 [ 6736.298612][ T10] do_syscall_64+0xc6/0x1e0 [ 6736.298612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6736.298612][ T10] [ 6736.300826][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6736.300826][ T10] netdev_get_by_index+0x5e/0x80 [ 6736.300826][ T10] fib6_nh_init+0x3d8/0x1580 [ 6736.300826][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6736.300826][ T10] ip6_route_add+0x1c/0x140 [ 6736.300826][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6736.300826][ T10] addrconf_add_dev+0xe2/0x170 [ 6736.300826][ T10] inet6_addr_add+0x12f/0xa40 [ 6736.300826][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6736.300826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6736.300826][ T10] netlink_rcv_skb+0x130/0x360 [ 6736.300826][ T10] netlink_unicast+0x449/0x710 [ 6736.300826][ T10] netlink_sendmsg+0x723/0xbe0 [ 6736.300826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6736.300826][ T10] ___sys_sendmsg+0xee/0x170 [ 6736.300826][ T10] __sys_sendmsg+0xcd/0x170 [ 6736.300826][ T10] do_syscall_64+0xc6/0x1e0 [ 6736.300826][ T10] [ 6736.303012][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6736.303012][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6736.303012][ T10] ipv6_find_idev+0x102/0x170 [ 6736.303012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6736.303012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6736.303012][ T10] netlink_rcv_skb+0x130/0x360 [ 6736.303012][ T10] netlink_unicast+0x449/0x710 [ 6736.303012][ T10] netlink_sendmsg+0x723/0xbe0 [ 6736.303012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6736.303012][ T10] ___sys_sendmsg+0xee/0x170 [ 6736.303012][ T10] __sys_sendmsg+0xcd/0x170 [ 6736.303012][ T10] do_syscall_64+0xc6/0x1e0 [ 6736.303012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6736.303012][ T10] [ 6736.304718][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6736.304718][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6736.304718][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6736.304718][ T10] ipv6_find_idev+0x102/0x170 [ 6736.304718][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6736.304718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6736.304718][ T10] netlink_rcv_skb+0x130/0x360 [ 6736.304718][ T10] netlink_unicast+0x449/0x710 [ 6736.304718][ T10] netlink_sendmsg+0x723/0xbe0 [ 6736.304718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6736.304718][ T10] ___sys_sendmsg+0xee/0x170 [ 6736.304718][ T10] __sys_sendmsg+0xcd/0x170 [ 6736.304718][ T10] do_syscall_64+0xc6/0x1e0 [ 6736.304718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6736.304718][ T10] [ 6736.306597][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6736.306862][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6736.306862][ T10] netdev_get_by_index+0x5e/0x80 [ 6736.306862][ T10] fib6_nh_init+0x3d8/0x1580 [ 6736.306862][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6736.306862][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6736.306862][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6736.306862][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6736.306862][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6736.306862][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6736.306862][ T10] addrconf_dad_begin+0x310/0x670 [ 6736.306862][ T10] addrconf_dad_work+0x10b/0xab0 [ 6736.306862][ T10] process_one_work+0x84d/0x18a0 [ 6736.306862][ T10] worker_thread+0x587/0xd30 [ 6736.306862][ T10] kthread+0x28a/0x350 [ 6736.306862][ T10] ret_from_fork+0x31/0x70 [ 6736.306862][ T10] ret_from_fork_asm+0x1a/0x30 [ 6736.306862][ T10] [ 6736.308965][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6736.308965][ T10] netdev_get_by_index+0x5e/0x80 [ 6736.308965][ T10] fib6_nh_init+0x3d8/0x1580 [ 6736.308965][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6736.308965][ T10] ip6_route_add+0x1c/0x140 [ 6736.308965][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6736.308965][ T10] inet6_addr_add+0x4f8/0xa40 [ 6736.308965][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6736.308965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6736.308965][ T10] netlink_rcv_skb+0x130/0x360 [ 6736.308965][ T10] netlink_unicast+0x449/0x710 [ 6736.308965][ T10] netlink_sendmsg+0x723/0xbe0 [ 6736.308965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6736.308965][ T10] ___sys_sendmsg+0xee/0x170 [ 6736.308965][ T10] __sys_sendmsg+0xcd/0x170 [ 6736.308965][ T10] do_syscall_64+0xc6/0x1e0 [ 6736.308965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6736.308965][ T10] [ 6736.311304][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6736.311304][ T10] netdev_get_by_index+0x5e/0x80 [ 6736.311304][ T10] fib6_nh_init+0x3d8/0x1580 [ 6736.311304][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6736.311304][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6736.311304][ T10] ipv6_add_addr+0x411/0x2000 [ 6736.311304][ T10] inet6_addr_add+0x30e/0xa40 [ 6736.311304][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6736.311304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6736.311304][ T10] netlink_rcv_skb+0x130/0x360 [ 6736.311304][ T10] netlink_unicast+0x449/0x710 [ 6736.311304][ T10] netlink_sendmsg+0x723/0xbe0 [ 6736.311304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6736.311304][ T10] ___sys_sendmsg+0xee/0x170 [ 6736.311304][ T10] __sys_sendmsg+0xcd/0x170 [ 6736.311304][ T10] do_syscall_64+0xc6/0x1e0 [ 6736.311304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6736.311304][ T10] [ 6736.313830][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6736.313830][ T10] netdev_get_by_index+0x5e/0x80 [ 6736.313830][ T10] fib6_nh_init+0x3d8/0x1580 [ 6736.313830][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6736.313830][ T10] ip6_route_add+0x1c/0x140 [ 6736.313830][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6736.313830][ T10] addrconf_add_dev+0xe2/0x170 [ 6736.313830][ T10] inet6_addr_add+0x12f/0xa40 [ 6736.313830][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6736.313830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6736.313830][ T10] netlink_rcv_skb+0x130/0x360 [ 6736.313830][ T10] netlink_unicast+0x449/0x710 [ 6736.313830][ T10] netlink_sendmsg+0x723/0xbe0 [ 6736.313830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6736.313830][ T10] ___sys_sendmsg+0xee/0x170 [ 6736.313830][ T10] __sys_sendmsg+0xcd/0x170 [ 6736.313830][ T10] do_syscall_64+0xc6/0x1e0 [ 6736.313830][ T10] [ 6736.316274][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6736.316274][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6736.316274][ T10] ipv6_find_idev+0x102/0x170 [ 6736.316274][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6736.316274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6736.316274][ T10] netlink_rcv_skb+0x130/0x360 [ 6736.316274][ T10] netlink_unicast+0x449/0x710 [ 6736.316274][ T10] netlink_sendmsg+0x723/0xbe0 [ 6736.316274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6736.316274][ T10] ___sys_sendmsg+0xee/0x170 [ 6736.316274][ T10] __sys_sendmsg+0xcd/0x170 [ 6736.316274][ T10] do_syscall_64+0xc6/0x1e0 [ 6736.316274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6736.316274][ T10] [ 6736.318182][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6736.318182][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6736.318182][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6736.318182][ T10] ipv6_find_idev+0x102/0x170 [ 6736.318182][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6736.318182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6736.318182][ T10] netlink_rcv_skb+0x130/0x360 [ 6736.318182][ T10] netlink_unicast+0x449/0x710 [ 6736.318182][ T10] netlink_sendmsg+0x723/0xbe0 [ 6736.318182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6736.318182][ T10] ___sys_sendmsg+0xee/0x170 [ 6736.318182][ T10] __sys_sendmsg+0xcd/0x170 [ 6736.318182][ T10] do_syscall_64+0xc6/0x1e0 [ 6736.318182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6736.318182][ T10] [ 6736.320237][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6736.320553][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6736.320553][ T10] netdev_get_by_index+0x5e/0x80 [ 6736.320553][ T10] fib6_nh_init+0x3d8/0x1580 [ 6736.320553][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6736.320553][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6736.320553][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6736.320553][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6736.320553][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6736.320553][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6736.320553][ T10] addrconf_dad_begin+0x310/0x670 [ 6736.320553][ T10] addrconf_dad_work+0x10b/0xab0 [ 6736.320553][ T10] process_one_work+0x84d/0x18a0 [ 6736.320553][ T10] worker_thread+0x587/0xd30 [ 6736.320553][ T10] kthread+0x28a/0x350 [ 6736.320553][ T10] ret_from_fork+0x31/0x70 [ 6736.320553][ T10] ret_from_fork_asm+0x1a/0x30 [ 6736.320553][ T10] [ 6736.322919][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6736.322919][ T10] netdev_get_by_index+0x5e/0x80 [ 6736.322919][ T10] fib6_nh_init+0x3d8/0x1580 [ 6736.322919][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6736.322919][ T10] ip6_route_add+0x1c/0x140 [ 6736.322919][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6736.322919][ T10] inet6_addr_add+0x4f8/0xa40 [ 6736.322919][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6736.322919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6736.322919][ T10] netlink_rcv_skb+0x130/0x360 [ 6736.322919][ T10] netlink_unicast+0x449/0x710 [ 6736.322919][ T10] netlink_sendmsg+0x723/0xbe0 [ 6736.322919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6736.322919][ T10] ___sys_sendmsg+0xee/0x170 [ 6736.322919][ T10] __sys_sendmsg+0xcd/0x170 [ 6736.322919][ T10] do_syscall_64+0xc6/0x1e0 [ 6736.322919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6736.322919][ T10] [ 6736.325407][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6736.325407][ T10] netdev_get_by_index+0x5e/0x80 [ 6736.325407][ T10] fib6_nh_init+0x3d8/0x1580 [ 6736.325407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6736.325407][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6736.325407][ T10] ipv6_add_addr+0x411/0x2000 [ 6736.325407][ T10] inet6_addr_add+0x30e/0xa40 [ 6736.325407][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6736.325407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6736.325407][ T10] netlink_rcv_skb+0x130/0x360 [ 6736.325407][ T10] netlink_unicast+0x449/0x710 [ 6736.325407][ T10] netlink_sendmsg+0x723/0xbe0 [ 6736.325407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6736.325407][ T10] ___sys_sendmsg+0xee/0x170 [ 6736.325407][ T10] __sys_sendmsg+0xcd/0x170 [ 6736.325407][ T10] do_syscall_64+0xc6/0x1e0 [ 6736.325407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6736.325407][ T10] [ 6736.327878][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6736.327878][ T10] netdev_get_by_index+0x5e/0x80 [ 6736.327878][ T10] fib6_nh_init+0x3d8/0x1580 [ 6736.327878][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6736.327878][ T10] ip6_route_add+0x1c/0x140 [ 6736.327878][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6736.327878][ T10] addrconf_add_dev+0xe2/0x170 [ 6736.327878][ T10] inet6_addr_add+0x12f/0xa40 [ 6736.327878][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6736.327878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6736.327878][ T10] netlink_rcv_skb+0x130/0x360 [ 6736.327878][ T10] netlink_unicast+0x449/0x710 [ 6736.327878][ T10] netlink_sendmsg+0x723/0xbe0 [ 6736.327878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6736.327878][ T10] ___sys_sendmsg+0xee/0x170 [ 6736.327878][ T10] __sys_sendmsg+0xcd/0x170 [ 6736.327878][ T10] do_syscall_64+0xc6/0x1e0 [ 6736.327878][ T10] [ 6736.330302][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6736.330302][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6736.330302][ T10] ipv6_find_idev+0x102/0x170 [ 6736.330302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6736.330302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6736.330302][ T10] netlink_rcv_skb+0x130/0x360 [ 6736.330302][ T10] netlink_unicast+0x449/0x710 [ 6736.330302][ T10] netlink_sendmsg+0x723/0xbe0 [ 6736.330302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6736.330302][ T10] ___sys_sendmsg+0xee/0x170 [ 6736.330302][ T10] __sys_sendmsg+0xcd/0x170 [ 6736.330302][ T10] do_syscall_64+0xc6/0x1e0 [ 6736.330302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6736.330302][ T10] [ 6736.332201][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6736.332201][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6736.332201][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6736.332201][ T10] ipv6_find_idev+0x102/0x170 [ 6736.332201][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6736.332201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6736.332201][ T10] netlink_rcv_skb+0x130/0x360 [ 6736.332201][ T10] netlink_unicast+0x449/0x710 [ 6736.332201][ T10] netlink_sendmsg+0x723/0xbe0 [ 6736.332201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6736.332201][ T10] ___sys_sendmsg+0xee/0x170 [ 6736.332201][ T10] __sys_sendmsg+0xcd/0x170 [ 6736.332201][ T10] do_syscall_64+0xc6/0x1e0 [ 6736.332201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6736.332201][ T10] [ 6743.649106][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6743.649620][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6743.649620][ T1167] dst_init+0x84/0x4a0 [ 6743.649620][ T1167] dst_alloc+0x97/0x150 [ 6743.649620][ T1167] ip6_dst_alloc+0x23/0x90 [ 6743.649620][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6743.649620][ T1167] ip6_pol_route+0x56f/0x840 [ 6743.649620][ T1167] fib6_rule_lookup+0x334/0x630 [ 6743.649620][ T1167] ip6_route_output_flags+0x259/0x480 [ 6743.649620][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6743.649620][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6743.649620][ T1167] netlink_rcv_skb+0x130/0x360 [ 6743.649620][ T1167] netlink_unicast+0x449/0x710 [ 6743.649620][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6743.649620][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6743.649620][ T1167] ___sys_sendmsg+0xee/0x170 [ 6743.649620][ T1167] __sys_sendmsg+0xcd/0x170 [ 6743.649620][ T1167] do_syscall_64+0xc6/0x1e0 [ 6743.649620][ T1167] [ 6743.651827][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6743.651827][ T1167] netdev_get_by_index+0x5e/0x80 [ 6743.651827][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6743.651827][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6743.651827][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6743.651827][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6743.651827][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6743.651827][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6743.651827][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6743.651827][ T1167] addrconf_dad_begin+0x310/0x670 [ 6743.651827][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6743.651827][ T1167] process_one_work+0x84d/0x18a0 [ 6743.651827][ T1167] worker_thread+0x587/0xd30 [ 6743.651827][ T1167] kthread+0x28a/0x350 [ 6743.651827][ T1167] ret_from_fork+0x31/0x70 [ 6743.651827][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6743.651827][ T1167] [ 6743.653978][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6743.653978][ T1167] netdev_get_by_index+0x5e/0x80 [ 6743.653978][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6743.653978][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6743.653978][ T1167] ip6_route_add+0x1c/0x140 [ 6743.653978][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6743.653978][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6743.653978][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6743.653978][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6743.653978][ T1167] netlink_rcv_skb+0x130/0x360 [ 6743.653978][ T1167] netlink_unicast+0x449/0x710 [ 6743.653978][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6743.653978][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6743.653978][ T1167] ___sys_sendmsg+0xee/0x170 [ 6743.653978][ T1167] __sys_sendmsg+0xcd/0x170 [ 6743.653978][ T1167] do_syscall_64+0xc6/0x1e0 [ 6743.653978][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6743.653978][ T1167] [ 6743.656231][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6743.656231][ T1167] netdev_get_by_index+0x5e/0x80 [ 6743.656231][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6743.656231][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6743.656231][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6743.656231][ T1167] ipv6_add_addr+0x411/0x2000 [ 6743.656231][ T1167] inet6_addr_add+0x30e/0xa40 [ 6743.656231][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6743.656231][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6743.656231][ T1167] netlink_rcv_skb+0x130/0x360 [ 6743.656231][ T1167] netlink_unicast+0x449/0x710 [ 6743.656231][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6743.656231][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6743.656231][ T1167] ___sys_sendmsg+0xee/0x170 [ 6743.656231][ T1167] __sys_sendmsg+0xcd/0x170 [ 6743.656231][ T1167] do_syscall_64+0xc6/0x1e0 [ 6743.656231][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6743.656231][ T1167] [ 6743.658492][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6743.658492][ T1167] netdev_get_by_index+0x5e/0x80 [ 6743.658492][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6743.658492][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6743.658492][ T1167] ip6_route_add+0x1c/0x140 [ 6743.658492][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6743.658492][ T1167] addrconf_add_dev+0xe2/0x170 [ 6743.658492][ T1167] inet6_addr_add+0x12f/0xa40 [ 6743.658492][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6743.658492][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6743.658492][ T1167] netlink_rcv_skb+0x130/0x360 [ 6743.658492][ T1167] netlink_unicast+0x449/0x710 [ 6743.658492][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6743.658492][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6743.658492][ T1167] ___sys_sendmsg+0xee/0x170 [ 6743.658492][ T1167] __sys_sendmsg+0xcd/0x170 [ 6743.658492][ T1167] do_syscall_64+0xc6/0x1e0 [ 6743.658492][ T1167] [ 6743.660691][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6743.660691][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6743.660691][ T1167] ipv6_find_idev+0x102/0x170 [ 6743.660691][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6743.660691][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6743.660691][ T1167] netlink_rcv_skb+0x130/0x360 [ 6743.660691][ T1167] netlink_unicast+0x449/0x710 [ 6743.660691][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6743.660691][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6743.660691][ T1167] ___sys_sendmsg+0xee/0x170 [ 6743.660691][ T1167] __sys_sendmsg+0xcd/0x170 [ 6743.660691][ T1167] do_syscall_64+0xc6/0x1e0 [ 6743.660691][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6743.660691][ T1167] [ 6743.662411][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6743.662411][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6743.662411][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6743.662411][ T1167] ipv6_find_idev+0x102/0x170 [ 6743.662411][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6743.662411][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6743.662411][ T1167] netlink_rcv_skb+0x130/0x360 [ 6743.662411][ T1167] netlink_unicast+0x449/0x710 [ 6743.662411][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6743.662411][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6743.662411][ T1167] ___sys_sendmsg+0xee/0x170 [ 6743.662411][ T1167] __sys_sendmsg+0xcd/0x170 [ 6743.662411][ T1167] do_syscall_64+0xc6/0x1e0 [ 6743.662411][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6743.662411][ T1167] [ 6746.577104][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6746.577558][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6746.577558][ T10] netdev_get_by_index+0x5e/0x80 [ 6746.577558][ T10] fib6_nh_init+0x3d8/0x1580 [ 6746.577558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6746.577558][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6746.577558][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6746.577558][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6746.577558][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6746.577558][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6746.577558][ T10] addrconf_dad_begin+0x310/0x670 [ 6746.577558][ T10] addrconf_dad_work+0x10b/0xab0 [ 6746.577558][ T10] process_one_work+0x84d/0x18a0 [ 6746.577558][ T10] worker_thread+0x587/0xd30 [ 6746.577558][ T10] kthread+0x28a/0x350 [ 6746.577558][ T10] ret_from_fork+0x31/0x70 [ 6746.577558][ T10] ret_from_fork_asm+0x1a/0x30 [ 6746.577558][ T10] [ 6746.579546][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6746.579546][ T10] netdev_get_by_index+0x5e/0x80 [ 6746.579546][ T10] fib6_nh_init+0x3d8/0x1580 [ 6746.579546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6746.579546][ T10] ip6_route_add+0x1c/0x140 [ 6746.579546][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6746.579546][ T10] inet6_addr_add+0x4f8/0xa40 [ 6746.579546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6746.579546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6746.579546][ T10] netlink_rcv_skb+0x130/0x360 [ 6746.579546][ T10] netlink_unicast+0x449/0x710 [ 6746.579546][ T10] netlink_sendmsg+0x723/0xbe0 [ 6746.579546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6746.579546][ T10] ___sys_sendmsg+0xee/0x170 [ 6746.579546][ T10] __sys_sendmsg+0xcd/0x170 [ 6746.579546][ T10] do_syscall_64+0xc6/0x1e0 [ 6746.579546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6746.579546][ T10] [ 6746.581567][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6746.581567][ T10] netdev_get_by_index+0x5e/0x80 [ 6746.581567][ T10] fib6_nh_init+0x3d8/0x1580 [ 6746.581567][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6746.581567][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6746.581567][ T10] ipv6_add_addr+0x411/0x2000 [ 6746.581567][ T10] inet6_addr_add+0x30e/0xa40 [ 6746.581567][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6746.581567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6746.581567][ T10] netlink_rcv_skb+0x130/0x360 [ 6746.581567][ T10] netlink_unicast+0x449/0x710 [ 6746.581567][ T10] netlink_sendmsg+0x723/0xbe0 [ 6746.581567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6746.581567][ T10] ___sys_sendmsg+0xee/0x170 [ 6746.581567][ T10] __sys_sendmsg+0xcd/0x170 [ 6746.581567][ T10] do_syscall_64+0xc6/0x1e0 [ 6746.581567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6746.581567][ T10] [ 6746.583587][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6746.583587][ T10] netdev_get_by_index+0x5e/0x80 [ 6746.583587][ T10] fib6_nh_init+0x3d8/0x1580 [ 6746.583587][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6746.583587][ T10] ip6_route_add+0x1c/0x140 [ 6746.583587][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6746.583587][ T10] addrconf_add_dev+0xe2/0x170 [ 6746.583587][ T10] inet6_addr_add+0x12f/0xa40 [ 6746.583587][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6746.583587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6746.583587][ T10] netlink_rcv_skb+0x130/0x360 [ 6746.583587][ T10] netlink_unicast+0x449/0x710 [ 6746.583587][ T10] netlink_sendmsg+0x723/0xbe0 [ 6746.583587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6746.583587][ T10] ___sys_sendmsg+0xee/0x170 [ 6746.583587][ T10] __sys_sendmsg+0xcd/0x170 [ 6746.583587][ T10] do_syscall_64+0xc6/0x1e0 [ 6746.583587][ T10] [ 6746.585564][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6746.585564][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6746.585564][ T10] ipv6_find_idev+0x102/0x170 [ 6746.585564][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6746.585564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6746.585564][ T10] netlink_rcv_skb+0x130/0x360 [ 6746.585564][ T10] netlink_unicast+0x449/0x710 [ 6746.585564][ T10] netlink_sendmsg+0x723/0xbe0 [ 6746.585564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6746.585564][ T10] ___sys_sendmsg+0xee/0x170 [ 6746.585564][ T10] __sys_sendmsg+0xcd/0x170 [ 6746.585564][ T10] do_syscall_64+0xc6/0x1e0 [ 6746.585564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6746.585564][ T10] [ 6746.587127][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6746.587127][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6746.587127][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6746.587127][ T10] ipv6_find_idev+0x102/0x170 [ 6746.587127][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6746.587127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6746.587127][ T10] netlink_rcv_skb+0x130/0x360 [ 6746.587127][ T10] netlink_unicast+0x449/0x710 [ 6746.587127][ T10] netlink_sendmsg+0x723/0xbe0 [ 6746.587127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6746.587127][ T10] ___sys_sendmsg+0xee/0x170 [ 6746.587127][ T10] __sys_sendmsg+0xcd/0x170 [ 6746.587127][ T10] do_syscall_64+0xc6/0x1e0 [ 6746.587127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6746.587127][ T10] [ 6746.588850][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6746.589121][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6746.589121][ T10] netdev_get_by_index+0x5e/0x80 [ 6746.589121][ T10] fib6_nh_init+0x3d8/0x1580 [ 6746.589121][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6746.589121][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6746.589121][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6746.589121][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6746.589121][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6746.589121][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6746.589121][ T10] addrconf_dad_begin+0x310/0x670 [ 6746.589121][ T10] addrconf_dad_work+0x10b/0xab0 [ 6746.589121][ T10] process_one_work+0x84d/0x18a0 [ 6746.589121][ T10] worker_thread+0x587/0xd30 [ 6746.589121][ T10] kthread+0x28a/0x350 [ 6746.589121][ T10] ret_from_fork+0x31/0x70 [ 6746.589121][ T10] ret_from_fork_asm+0x1a/0x30 [ 6746.589121][ T10] [ 6746.591045][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6746.591045][ T10] netdev_get_by_index+0x5e/0x80 [ 6746.591045][ T10] fib6_nh_init+0x3d8/0x1580 [ 6746.591045][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6746.591045][ T10] ip6_route_add+0x1c/0x140 [ 6746.591045][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6746.591045][ T10] inet6_addr_add+0x4f8/0xa40 [ 6746.591045][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6746.591045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6746.591045][ T10] netlink_rcv_skb+0x130/0x360 [ 6746.591045][ T10] netlink_unicast+0x449/0x710 [ 6746.591045][ T10] netlink_sendmsg+0x723/0xbe0 [ 6746.591045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6746.591045][ T10] ___sys_sendmsg+0xee/0x170 [ 6746.591045][ T10] __sys_sendmsg+0xcd/0x170 [ 6746.591045][ T10] do_syscall_64+0xc6/0x1e0 [ 6746.591045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6746.591045][ T10] [ 6746.593050][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6746.593050][ T10] netdev_get_by_index+0x5e/0x80 [ 6746.593050][ T10] fib6_nh_init+0x3d8/0x1580 [ 6746.593050][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6746.593050][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6746.593050][ T10] ipv6_add_addr+0x411/0x2000 [ 6746.593050][ T10] inet6_addr_add+0x30e/0xa40 [ 6746.593050][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6746.593050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6746.593050][ T10] netlink_rcv_skb+0x130/0x360 [ 6746.593050][ T10] netlink_unicast+0x449/0x710 [ 6746.593050][ T10] netlink_sendmsg+0x723/0xbe0 [ 6746.593050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6746.593050][ T10] ___sys_sendmsg+0xee/0x170 [ 6746.593050][ T10] __sys_sendmsg+0xcd/0x170 [ 6746.593050][ T10] do_syscall_64+0xc6/0x1e0 [ 6746.593050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6746.593050][ T10] [ 6746.595067][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6746.595067][ T10] netdev_get_by_index+0x5e/0x80 [ 6746.595067][ T10] fib6_nh_init+0x3d8/0x1580 [ 6746.595067][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6746.595067][ T10] ip6_route_add+0x1c/0x140 [ 6746.595067][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6746.595067][ T10] addrconf_add_dev+0xe2/0x170 [ 6746.595067][ T10] inet6_addr_add+0x12f/0xa40 [ 6746.595067][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6746.595067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6746.595067][ T10] netlink_rcv_skb+0x130/0x360 [ 6746.595067][ T10] netlink_unicast+0x449/0x710 [ 6746.595067][ T10] netlink_sendmsg+0x723/0xbe0 [ 6746.595067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6746.595067][ T10] ___sys_sendmsg+0xee/0x170 [ 6746.595067][ T10] __sys_sendmsg+0xcd/0x170 [ 6746.595067][ T10] do_syscall_64+0xc6/0x1e0 [ 6746.595067][ T10] [ 6746.597048][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6746.597048][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6746.597048][ T10] ipv6_find_idev+0x102/0x170 [ 6746.597048][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6746.597048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6746.597048][ T10] netlink_rcv_skb+0x130/0x360 [ 6746.597048][ T10] netlink_unicast+0x449/0x710 [ 6746.597048][ T10] netlink_sendmsg+0x723/0xbe0 [ 6746.597048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6746.597048][ T10] ___sys_sendmsg+0xee/0x170 [ 6746.597048][ T10] __sys_sendmsg+0xcd/0x170 [ 6746.597048][ T10] do_syscall_64+0xc6/0x1e0 [ 6746.597048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6746.597048][ T10] [ 6746.598614][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6746.598614][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6746.598614][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6746.598614][ T10] ipv6_find_idev+0x102/0x170 [ 6746.598614][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6746.598614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6746.598614][ T10] netlink_rcv_skb+0x130/0x360 [ 6746.598614][ T10] netlink_unicast+0x449/0x710 [ 6746.598614][ T10] netlink_sendmsg+0x723/0xbe0 [ 6746.598614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6746.598614][ T10] ___sys_sendmsg+0xee/0x170 [ 6746.598614][ T10] __sys_sendmsg+0xcd/0x170 [ 6746.598614][ T10] do_syscall_64+0xc6/0x1e0 [ 6746.598614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6746.598614][ T10] [ 6746.600308][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6746.600553][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6746.600553][ T10] netdev_get_by_index+0x5e/0x80 [ 6746.600553][ T10] fib6_nh_init+0x3d8/0x1580 [ 6746.600553][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6746.600553][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6746.600553][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6746.600553][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6746.600553][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6746.600553][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6746.600553][ T10] addrconf_dad_begin+0x310/0x670 [ 6746.600553][ T10] addrconf_dad_work+0x10b/0xab0 [ 6746.600553][ T10] process_one_work+0x84d/0x18a0 [ 6746.600553][ T10] worker_thread+0x587/0xd30 [ 6746.600553][ T10] kthread+0x28a/0x350 [ 6746.600553][ T10] ret_from_fork+0x31/0x70 [ 6746.600553][ T10] ret_from_fork_asm+0x1a/0x30 [ 6746.600553][ T10] [ 6746.602474][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6746.602474][ T10] netdev_get_by_index+0x5e/0x80 [ 6746.602474][ T10] fib6_nh_init+0x3d8/0x1580 [ 6746.602474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6746.602474][ T10] ip6_route_add+0x1c/0x140 [ 6746.602474][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6746.602474][ T10] inet6_addr_add+0x4f8/0xa40 [ 6746.602474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6746.602474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6746.602474][ T10] netlink_rcv_skb+0x130/0x360 [ 6746.602474][ T10] netlink_unicast+0x449/0x710 [ 6746.602474][ T10] netlink_sendmsg+0x723/0xbe0 [ 6746.602474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6746.602474][ T10] ___sys_sendmsg+0xee/0x170 [ 6746.602474][ T10] __sys_sendmsg+0xcd/0x170 [ 6746.602474][ T10] do_syscall_64+0xc6/0x1e0 [ 6746.602474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6746.602474][ T10] [ 6746.604673][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6746.604673][ T10] netdev_get_by_index+0x5e/0x80 [ 6746.604673][ T10] fib6_nh_init+0x3d8/0x1580 [ 6746.604673][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6746.604673][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6746.604673][ T10] ipv6_add_addr+0x411/0x2000 [ 6746.604673][ T10] inet6_addr_add+0x30e/0xa40 [ 6746.604673][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6746.604673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6746.604673][ T10] netlink_rcv_skb+0x130/0x360 [ 6746.604673][ T10] netlink_unicast+0x449/0x710 [ 6746.604673][ T10] netlink_sendmsg+0x723/0xbe0 [ 6746.604673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6746.604673][ T10] ___sys_sendmsg+0xee/0x170 [ 6746.604673][ T10] __sys_sendmsg+0xcd/0x170 [ 6746.604673][ T10] do_syscall_64+0xc6/0x1e0 [ 6746.604673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6746.604673][ T10] [ 6746.606927][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6746.606927][ T10] netdev_get_by_index+0x5e/0x80 [ 6746.606927][ T10] fib6_nh_init+0x3d8/0x1580 [ 6746.606927][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6746.606927][ T10] ip6_route_add+0x1c/0x140 [ 6746.606927][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6746.606927][ T10] addrconf_add_dev+0xe2/0x170 [ 6746.606927][ T10] inet6_addr_add+0x12f/0xa40 [ 6746.606927][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6746.606927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6746.606927][ T10] netlink_rcv_skb+0x130/0x360 [ 6746.606927][ T10] netlink_unicast+0x449/0x710 [ 6746.606927][ T10] netlink_sendmsg+0x723/0xbe0 [ 6746.606927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6746.606927][ T10] ___sys_sendmsg+0xee/0x170 [ 6746.606927][ T10] __sys_sendmsg+0xcd/0x170 [ 6746.606927][ T10] do_syscall_64+0xc6/0x1e0 [ 6746.606927][ T10] [ 6746.609137][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6746.609137][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6746.609137][ T10] ipv6_find_idev+0x102/0x170 [ 6746.609137][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6746.609137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6746.609137][ T10] netlink_rcv_skb+0x130/0x360 [ 6746.609137][ T10] netlink_unicast+0x449/0x710 [ 6746.609137][ T10] netlink_sendmsg+0x723/0xbe0 [ 6746.609137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6746.609137][ T10] ___sys_sendmsg+0xee/0x170 [ 6746.609137][ T10] __sys_sendmsg+0xcd/0x170 [ 6746.609137][ T10] do_syscall_64+0xc6/0x1e0 [ 6746.609137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6746.609137][ T10] [ 6746.610862][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6746.610862][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6746.610862][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6746.610862][ T10] ipv6_find_idev+0x102/0x170 [ 6746.610862][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6746.610862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6746.610862][ T10] netlink_rcv_skb+0x130/0x360 [ 6746.610862][ T10] netlink_unicast+0x449/0x710 [ 6746.610862][ T10] netlink_sendmsg+0x723/0xbe0 [ 6746.610862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6746.610862][ T10] ___sys_sendmsg+0xee/0x170 [ 6746.610862][ T10] __sys_sendmsg+0xcd/0x170 [ 6746.610862][ T10] do_syscall_64+0xc6/0x1e0 [ 6746.610862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6746.610862][ T10] [ 6746.612810][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6746.613491][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6746.613491][ T10] netdev_get_by_index+0x5e/0x80 [ 6746.613491][ T10] fib6_nh_init+0x3d8/0x1580 [ 6746.613491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6746.613491][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6746.613491][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6746.613491][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6746.613491][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6746.613491][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6746.613491][ T10] addrconf_dad_begin+0x310/0x670 [ 6746.613491][ T10] addrconf_dad_work+0x10b/0xab0 [ 6746.613491][ T10] process_one_work+0x84d/0x18a0 [ 6746.613491][ T10] worker_thread+0x587/0xd30 [ 6746.613491][ T10] kthread+0x28a/0x350 [ 6746.613491][ T10] ret_from_fork+0x31/0x70 [ 6746.613491][ T10] ret_from_fork_asm+0x1a/0x30 [ 6746.613491][ T10] [ 6746.615415][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6746.615415][ T10] netdev_get_by_index+0x5e/0x80 [ 6746.615415][ T10] fib6_nh_init+0x3d8/0x1580 [ 6746.615415][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6746.615415][ T10] ip6_route_add+0x1c/0x140 [ 6746.615415][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6746.615415][ T10] inet6_addr_add+0x4f8/0xa40 [ 6746.615415][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6746.615415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6746.615415][ T10] netlink_rcv_skb+0x130/0x360 [ 6746.615415][ T10] netlink_unicast+0x449/0x710 [ 6746.615415][ T10] netlink_sendmsg+0x723/0xbe0 [ 6746.615415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6746.615415][ T10] ___sys_sendmsg+0xee/0x170 [ 6746.615415][ T10] __sys_sendmsg+0xcd/0x170 [ 6746.615415][ T10] do_syscall_64+0xc6/0x1e0 [ 6746.615415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6746.615415][ T10] [ 6746.617540][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6746.617540][ T10] netdev_get_by_index+0x5e/0x80 [ 6746.617540][ T10] fib6_nh_init+0x3d8/0x1580 [ 6746.617540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6746.617540][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6746.617540][ T10] ipv6_add_addr+0x411/0x2000 [ 6746.617540][ T10] inet6_addr_add+0x30e/0xa40 [ 6746.617540][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6746.617540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6746.617540][ T10] netlink_rcv_skb+0x130/0x360 [ 6746.617540][ T10] netlink_unicast+0x449/0x710 [ 6746.617540][ T10] netlink_sendmsg+0x723/0xbe0 [ 6746.617540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6746.617540][ T10] ___sys_sendmsg+0xee/0x170 [ 6746.617540][ T10] __sys_sendmsg+0xcd/0x170 [ 6746.617540][ T10] do_syscall_64+0xc6/0x1e0 [ 6746.617540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6746.617540][ T10] [ 6746.619813][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6746.619813][ T10] netdev_get_by_index+0x5e/0x80 [ 6746.619813][ T10] fib6_nh_init+0x3d8/0x1580 [ 6746.619813][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6746.619813][ T10] ip6_route_add+0x1c/0x140 [ 6746.619813][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6746.619813][ T10] addrconf_add_dev+0xe2/0x170 [ 6746.619813][ T10] inet6_addr_add+0x12f/0xa40 [ 6746.619813][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6746.619813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6746.619813][ T10] netlink_rcv_skb+0x130/0x360 [ 6746.619813][ T10] netlink_unicast+0x449/0x710 [ 6746.619813][ T10] netlink_sendmsg+0x723/0xbe0 [ 6746.619813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6746.619813][ T10] ___sys_sendmsg+0xee/0x170 [ 6746.619813][ T10] __sys_sendmsg+0xcd/0x170 [ 6746.619813][ T10] do_syscall_64+0xc6/0x1e0 [ 6746.619813][ T10] [ 6746.621968][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6746.621968][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6746.621968][ T10] ipv6_find_idev+0x102/0x170 [ 6746.621968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6746.621968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6746.621968][ T10] netlink_rcv_skb+0x130/0x360 [ 6746.621968][ T10] netlink_unicast+0x449/0x710 [ 6746.621968][ T10] netlink_sendmsg+0x723/0xbe0 [ 6746.621968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6746.621968][ T10] ___sys_sendmsg+0xee/0x170 [ 6746.621968][ T10] __sys_sendmsg+0xcd/0x170 [ 6746.621968][ T10] do_syscall_64+0xc6/0x1e0 [ 6746.621968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6746.621968][ T10] [ 6746.623694][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6746.623694][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6746.623694][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6746.623694][ T10] ipv6_find_idev+0x102/0x170 [ 6746.623694][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6746.623694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6746.623694][ T10] netlink_rcv_skb+0x130/0x360 [ 6746.623694][ T10] netlink_unicast+0x449/0x710 [ 6746.623694][ T10] netlink_sendmsg+0x723/0xbe0 [ 6746.623694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6746.623694][ T10] ___sys_sendmsg+0xee/0x170 [ 6746.623694][ T10] __sys_sendmsg+0xcd/0x170 [ 6746.623694][ T10] do_syscall_64+0xc6/0x1e0 [ 6746.623694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6746.623694][ T10] [ 6753.905111][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6753.905633][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6753.905633][ T1167] dst_init+0x84/0x4a0 [ 6753.905633][ T1167] dst_alloc+0x97/0x150 [ 6753.905633][ T1167] ip6_dst_alloc+0x23/0x90 [ 6753.905633][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6753.905633][ T1167] ip6_pol_route+0x56f/0x840 [ 6753.905633][ T1167] fib6_rule_lookup+0x334/0x630 [ 6753.905633][ T1167] ip6_route_output_flags+0x259/0x480 [ 6753.905633][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6753.905633][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6753.905633][ T1167] netlink_rcv_skb+0x130/0x360 [ 6753.905633][ T1167] netlink_unicast+0x449/0x710 [ 6753.905633][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6753.905633][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6753.905633][ T1167] ___sys_sendmsg+0xee/0x170 [ 6753.905633][ T1167] __sys_sendmsg+0xcd/0x170 [ 6753.905633][ T1167] do_syscall_64+0xc6/0x1e0 [ 6753.905633][ T1167] [ 6753.908080][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6753.908080][ T1167] netdev_get_by_index+0x5e/0x80 [ 6753.908080][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6753.908080][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6753.908080][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6753.908080][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6753.908080][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6753.908080][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6753.908080][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6753.908080][ T1167] addrconf_dad_begin+0x310/0x670 [ 6753.908080][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6753.908080][ T1167] process_one_work+0x84d/0x18a0 [ 6753.908080][ T1167] worker_thread+0x587/0xd30 [ 6753.908080][ T1167] kthread+0x28a/0x350 [ 6753.908080][ T1167] ret_from_fork+0x31/0x70 [ 6753.908080][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6753.908080][ T1167] [ 6753.910438][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6753.910438][ T1167] netdev_get_by_index+0x5e/0x80 [ 6753.910438][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6753.910438][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6753.910438][ T1167] ip6_route_add+0x1c/0x140 [ 6753.910438][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6753.910438][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6753.910438][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6753.910438][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6753.910438][ T1167] netlink_rcv_skb+0x130/0x360 [ 6753.910438][ T1167] netlink_unicast+0x449/0x710 [ 6753.910438][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6753.910438][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6753.910438][ T1167] ___sys_sendmsg+0xee/0x170 [ 6753.910438][ T1167] __sys_sendmsg+0xcd/0x170 [ 6753.910438][ T1167] do_syscall_64+0xc6/0x1e0 [ 6753.910438][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6753.910438][ T1167] [ 6753.912908][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6753.912908][ T1167] netdev_get_by_index+0x5e/0x80 [ 6753.912908][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6753.912908][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6753.912908][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6753.912908][ T1167] ipv6_add_addr+0x411/0x2000 [ 6753.912908][ T1167] inet6_addr_add+0x30e/0xa40 [ 6753.912908][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6753.912908][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6753.912908][ T1167] netlink_rcv_skb+0x130/0x360 [ 6753.912908][ T1167] netlink_unicast+0x449/0x710 [ 6753.912908][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6753.912908][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6753.912908][ T1167] ___sys_sendmsg+0xee/0x170 [ 6753.912908][ T1167] __sys_sendmsg+0xcd/0x170 [ 6753.912908][ T1167] do_syscall_64+0xc6/0x1e0 [ 6753.912908][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6753.912908][ T1167] [ 6753.915391][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6753.915391][ T1167] netdev_get_by_index+0x5e/0x80 [ 6753.915391][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6753.915391][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6753.915391][ T1167] ip6_route_add+0x1c/0x140 [ 6753.915391][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6753.915391][ T1167] addrconf_add_dev+0xe2/0x170 [ 6753.915391][ T1167] inet6_addr_add+0x12f/0xa40 [ 6753.915391][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6753.915391][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6753.915391][ T1167] netlink_rcv_skb+0x130/0x360 [ 6753.915391][ T1167] netlink_unicast+0x449/0x710 [ 6753.915391][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6753.915391][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6753.915391][ T1167] ___sys_sendmsg+0xee/0x170 [ 6753.915391][ T1167] __sys_sendmsg+0xcd/0x170 [ 6753.915391][ T1167] do_syscall_64+0xc6/0x1e0 [ 6753.915391][ T1167] [ 6753.917827][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6753.917827][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6753.917827][ T1167] ipv6_find_idev+0x102/0x170 [ 6753.917827][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6753.917827][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6753.917827][ T1167] netlink_rcv_skb+0x130/0x360 [ 6753.917827][ T1167] netlink_unicast+0x449/0x710 [ 6753.917827][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6753.917827][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6753.917827][ T1167] ___sys_sendmsg+0xee/0x170 [ 6753.917827][ T1167] __sys_sendmsg+0xcd/0x170 [ 6753.917827][ T1167] do_syscall_64+0xc6/0x1e0 [ 6753.917827][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6753.917827][ T1167] [ 6753.919739][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6753.919739][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6753.919739][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6753.919739][ T1167] ipv6_find_idev+0x102/0x170 [ 6753.919739][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6753.919739][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6753.919739][ T1167] netlink_rcv_skb+0x130/0x360 [ 6753.919739][ T1167] netlink_unicast+0x449/0x710 [ 6753.919739][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6753.919739][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6753.919739][ T1167] ___sys_sendmsg+0xee/0x170 [ 6753.919739][ T1167] __sys_sendmsg+0xcd/0x170 [ 6753.919739][ T1167] do_syscall_64+0xc6/0x1e0 [ 6753.919739][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6753.919739][ T1167] [ 6756.865102][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6756.865541][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6756.865541][ T10] netdev_get_by_index+0x5e/0x80 [ 6756.865541][ T10] fib6_nh_init+0x3d8/0x1580 [ 6756.865541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6756.865541][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6756.865541][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6756.865541][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6756.865541][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6756.865541][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6756.865541][ T10] addrconf_dad_begin+0x310/0x670 [ 6756.865541][ T10] addrconf_dad_work+0x10b/0xab0 [ 6756.865541][ T10] process_one_work+0x84d/0x18a0 [ 6756.865541][ T10] worker_thread+0x587/0xd30 [ 6756.865541][ T10] kthread+0x28a/0x350 [ 6756.865541][ T10] ret_from_fork+0x31/0x70 [ 6756.865541][ T10] ret_from_fork_asm+0x1a/0x30 [ 6756.865541][ T10] [ 6756.867504][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6756.867504][ T10] netdev_get_by_index+0x5e/0x80 [ 6756.867504][ T10] fib6_nh_init+0x3d8/0x1580 [ 6756.867504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6756.867504][ T10] ip6_route_add+0x1c/0x140 [ 6756.867504][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6756.867504][ T10] inet6_addr_add+0x4f8/0xa40 [ 6756.867504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6756.867504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.867504][ T10] netlink_rcv_skb+0x130/0x360 [ 6756.867504][ T10] netlink_unicast+0x449/0x710 [ 6756.867504][ T10] netlink_sendmsg+0x723/0xbe0 [ 6756.867504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6756.867504][ T10] ___sys_sendmsg+0xee/0x170 [ 6756.867504][ T10] __sys_sendmsg+0xcd/0x170 [ 6756.867504][ T10] do_syscall_64+0xc6/0x1e0 [ 6756.867504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.867504][ T10] [ 6756.869507][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6756.869507][ T10] netdev_get_by_index+0x5e/0x80 [ 6756.869507][ T10] fib6_nh_init+0x3d8/0x1580 [ 6756.869507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6756.869507][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6756.869507][ T10] ipv6_add_addr+0x411/0x2000 [ 6756.869507][ T10] inet6_addr_add+0x30e/0xa40 [ 6756.869507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6756.869507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.869507][ T10] netlink_rcv_skb+0x130/0x360 [ 6756.869507][ T10] netlink_unicast+0x449/0x710 [ 6756.869507][ T10] netlink_sendmsg+0x723/0xbe0 [ 6756.869507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6756.869507][ T10] ___sys_sendmsg+0xee/0x170 [ 6756.869507][ T10] __sys_sendmsg+0xcd/0x170 [ 6756.869507][ T10] do_syscall_64+0xc6/0x1e0 [ 6756.869507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.869507][ T10] [ 6756.871498][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6756.871498][ T10] netdev_get_by_index+0x5e/0x80 [ 6756.871498][ T10] fib6_nh_init+0x3d8/0x1580 [ 6756.871498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6756.871498][ T10] ip6_route_add+0x1c/0x140 [ 6756.871498][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6756.871498][ T10] addrconf_add_dev+0xe2/0x170 [ 6756.871498][ T10] inet6_addr_add+0x12f/0xa40 [ 6756.871498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6756.871498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.871498][ T10] netlink_rcv_skb+0x130/0x360 [ 6756.871498][ T10] netlink_unicast+0x449/0x710 [ 6756.871498][ T10] netlink_sendmsg+0x723/0xbe0 [ 6756.871498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6756.871498][ T10] ___sys_sendmsg+0xee/0x170 [ 6756.871498][ T10] __sys_sendmsg+0xcd/0x170 [ 6756.871498][ T10] do_syscall_64+0xc6/0x1e0 [ 6756.871498][ T10] [ 6756.873443][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6756.873443][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6756.873443][ T10] ipv6_find_idev+0x102/0x170 [ 6756.873443][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6756.873443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.873443][ T10] netlink_rcv_skb+0x130/0x360 [ 6756.873443][ T10] netlink_unicast+0x449/0x710 [ 6756.873443][ T10] netlink_sendmsg+0x723/0xbe0 [ 6756.873443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6756.873443][ T10] ___sys_sendmsg+0xee/0x170 [ 6756.873443][ T10] __sys_sendmsg+0xcd/0x170 [ 6756.873443][ T10] do_syscall_64+0xc6/0x1e0 [ 6756.873443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.873443][ T10] [ 6756.874971][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6756.874971][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6756.874971][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6756.874971][ T10] ipv6_find_idev+0x102/0x170 [ 6756.874971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6756.874971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.874971][ T10] netlink_rcv_skb+0x130/0x360 [ 6756.874971][ T10] netlink_unicast+0x449/0x710 [ 6756.874971][ T10] netlink_sendmsg+0x723/0xbe0 [ 6756.874971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6756.874971][ T10] ___sys_sendmsg+0xee/0x170 [ 6756.874971][ T10] __sys_sendmsg+0xcd/0x170 [ 6756.874971][ T10] do_syscall_64+0xc6/0x1e0 [ 6756.874971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.874971][ T10] [ 6756.876653][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6756.876893][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6756.876893][ T10] netdev_get_by_index+0x5e/0x80 [ 6756.876893][ T10] fib6_nh_init+0x3d8/0x1580 [ 6756.876893][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6756.876893][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6756.876893][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6756.876893][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6756.876893][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6756.876893][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6756.876893][ T10] addrconf_dad_begin+0x310/0x670 [ 6756.876893][ T10] addrconf_dad_work+0x10b/0xab0 [ 6756.876893][ T10] process_one_work+0x84d/0x18a0 [ 6756.876893][ T10] worker_thread+0x587/0xd30 [ 6756.876893][ T10] kthread+0x28a/0x350 [ 6756.876893][ T10] ret_from_fork+0x31/0x70 [ 6756.876893][ T10] ret_from_fork_asm+0x1a/0x30 [ 6756.876893][ T10] [ 6756.878787][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6756.878787][ T10] netdev_get_by_index+0x5e/0x80 [ 6756.878787][ T10] fib6_nh_init+0x3d8/0x1580 [ 6756.878787][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6756.878787][ T10] ip6_route_add+0x1c/0x140 [ 6756.878787][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6756.878787][ T10] inet6_addr_add+0x4f8/0xa40 [ 6756.878787][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6756.878787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.878787][ T10] netlink_rcv_skb+0x130/0x360 [ 6756.878787][ T10] netlink_unicast+0x449/0x710 [ 6756.878787][ T10] netlink_sendmsg+0x723/0xbe0 [ 6756.878787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6756.878787][ T10] ___sys_sendmsg+0xee/0x170 [ 6756.878787][ T10] __sys_sendmsg+0xcd/0x170 [ 6756.878787][ T10] do_syscall_64+0xc6/0x1e0 [ 6756.878787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.878787][ T10] [ 6756.880776][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6756.880776][ T10] netdev_get_by_index+0x5e/0x80 [ 6756.880776][ T10] fib6_nh_init+0x3d8/0x1580 [ 6756.880776][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6756.880776][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6756.880776][ T10] ipv6_add_addr+0x411/0x2000 [ 6756.880776][ T10] inet6_addr_add+0x30e/0xa40 [ 6756.880776][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6756.880776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.880776][ T10] netlink_rcv_skb+0x130/0x360 [ 6756.880776][ T10] netlink_unicast+0x449/0x710 [ 6756.880776][ T10] netlink_sendmsg+0x723/0xbe0 [ 6756.880776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6756.880776][ T10] ___sys_sendmsg+0xee/0x170 [ 6756.880776][ T10] __sys_sendmsg+0xcd/0x170 [ 6756.880776][ T10] do_syscall_64+0xc6/0x1e0 [ 6756.880776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.880776][ T10] [ 6756.882771][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6756.882771][ T10] netdev_get_by_index+0x5e/0x80 [ 6756.882771][ T10] fib6_nh_init+0x3d8/0x1580 [ 6756.882771][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6756.882771][ T10] ip6_route_add+0x1c/0x140 [ 6756.882771][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6756.882771][ T10] addrconf_add_dev+0xe2/0x170 [ 6756.882771][ T10] inet6_addr_add+0x12f/0xa40 [ 6756.882771][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6756.882771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.882771][ T10] netlink_rcv_skb+0x130/0x360 [ 6756.882771][ T10] netlink_unicast+0x449/0x710 [ 6756.882771][ T10] netlink_sendmsg+0x723/0xbe0 [ 6756.882771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6756.882771][ T10] ___sys_sendmsg+0xee/0x170 [ 6756.882771][ T10] __sys_sendmsg+0xcd/0x170 [ 6756.882771][ T10] do_syscall_64+0xc6/0x1e0 [ 6756.882771][ T10] [ 6756.884716][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6756.884716][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6756.884716][ T10] ipv6_find_idev+0x102/0x170 [ 6756.884716][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6756.884716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.884716][ T10] netlink_rcv_skb+0x130/0x360 [ 6756.884716][ T10] netlink_unicast+0x449/0x710 [ 6756.884716][ T10] netlink_sendmsg+0x723/0xbe0 [ 6756.884716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6756.884716][ T10] ___sys_sendmsg+0xee/0x170 [ 6756.884716][ T10] __sys_sendmsg+0xcd/0x170 [ 6756.884716][ T10] do_syscall_64+0xc6/0x1e0 [ 6756.884716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.884716][ T10] [ 6756.886246][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6756.886246][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6756.886246][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6756.886246][ T10] ipv6_find_idev+0x102/0x170 [ 6756.886246][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6756.886246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.886246][ T10] netlink_rcv_skb+0x130/0x360 [ 6756.886246][ T10] netlink_unicast+0x449/0x710 [ 6756.886246][ T10] netlink_sendmsg+0x723/0xbe0 [ 6756.886246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6756.886246][ T10] ___sys_sendmsg+0xee/0x170 [ 6756.886246][ T10] __sys_sendmsg+0xcd/0x170 [ 6756.886246][ T10] do_syscall_64+0xc6/0x1e0 [ 6756.886246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.886246][ T10] [ 6756.887933][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6756.888221][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6756.888221][ T10] netdev_get_by_index+0x5e/0x80 [ 6756.888221][ T10] fib6_nh_init+0x3d8/0x1580 [ 6756.888221][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6756.888221][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6756.888221][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6756.888221][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6756.888221][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6756.888221][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6756.888221][ T10] addrconf_dad_begin+0x310/0x670 [ 6756.888221][ T10] addrconf_dad_work+0x10b/0xab0 [ 6756.888221][ T10] process_one_work+0x84d/0x18a0 [ 6756.888221][ T10] worker_thread+0x587/0xd30 [ 6756.888221][ T10] kthread+0x28a/0x350 [ 6756.888221][ T10] ret_from_fork+0x31/0x70 [ 6756.888221][ T10] ret_from_fork_asm+0x1a/0x30 [ 6756.888221][ T10] [ 6756.890121][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6756.890121][ T10] netdev_get_by_index+0x5e/0x80 [ 6756.890121][ T10] fib6_nh_init+0x3d8/0x1580 [ 6756.890121][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6756.890121][ T10] ip6_route_add+0x1c/0x140 [ 6756.890121][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6756.890121][ T10] inet6_addr_add+0x4f8/0xa40 [ 6756.890121][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6756.890121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.890121][ T10] netlink_rcv_skb+0x130/0x360 [ 6756.890121][ T10] netlink_unicast+0x449/0x710 [ 6756.890121][ T10] netlink_sendmsg+0x723/0xbe0 [ 6756.890121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6756.890121][ T10] ___sys_sendmsg+0xee/0x170 [ 6756.890121][ T10] __sys_sendmsg+0xcd/0x170 [ 6756.890121][ T10] do_syscall_64+0xc6/0x1e0 [ 6756.890121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.890121][ T10] [ 6756.892302][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6756.892302][ T10] netdev_get_by_index+0x5e/0x80 [ 6756.892302][ T10] fib6_nh_init+0x3d8/0x1580 [ 6756.892302][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6756.892302][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6756.892302][ T10] ipv6_add_addr+0x411/0x2000 [ 6756.892302][ T10] inet6_addr_add+0x30e/0xa40 [ 6756.892302][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6756.892302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.892302][ T10] netlink_rcv_skb+0x130/0x360 [ 6756.892302][ T10] netlink_unicast+0x449/0x710 [ 6756.892302][ T10] netlink_sendmsg+0x723/0xbe0 [ 6756.892302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6756.892302][ T10] ___sys_sendmsg+0xee/0x170 [ 6756.892302][ T10] __sys_sendmsg+0xcd/0x170 [ 6756.892302][ T10] do_syscall_64+0xc6/0x1e0 [ 6756.892302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.892302][ T10] [ 6756.894552][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6756.894552][ T10] netdev_get_by_index+0x5e/0x80 [ 6756.894552][ T10] fib6_nh_init+0x3d8/0x1580 [ 6756.894552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6756.894552][ T10] ip6_route_add+0x1c/0x140 [ 6756.894552][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6756.894552][ T10] addrconf_add_dev+0xe2/0x170 [ 6756.894552][ T10] inet6_addr_add+0x12f/0xa40 [ 6756.894552][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6756.894552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.894552][ T10] netlink_rcv_skb+0x130/0x360 [ 6756.894552][ T10] netlink_unicast+0x449/0x710 [ 6756.894552][ T10] netlink_sendmsg+0x723/0xbe0 [ 6756.894552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6756.894552][ T10] ___sys_sendmsg+0xee/0x170 [ 6756.894552][ T10] __sys_sendmsg+0xcd/0x170 [ 6756.894552][ T10] do_syscall_64+0xc6/0x1e0 [ 6756.894552][ T10] [ 6756.896747][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6756.896747][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6756.896747][ T10] ipv6_find_idev+0x102/0x170 [ 6756.896747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6756.896747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.896747][ T10] netlink_rcv_skb+0x130/0x360 [ 6756.896747][ T10] netlink_unicast+0x449/0x710 [ 6756.896747][ T10] netlink_sendmsg+0x723/0xbe0 [ 6756.896747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6756.896747][ T10] ___sys_sendmsg+0xee/0x170 [ 6756.896747][ T10] __sys_sendmsg+0xcd/0x170 [ 6756.896747][ T10] do_syscall_64+0xc6/0x1e0 [ 6756.896747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.896747][ T10] [ 6756.898388][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6756.898388][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6756.898388][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6756.898388][ T10] ipv6_find_idev+0x102/0x170 [ 6756.898388][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6756.898388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.898388][ T10] netlink_rcv_skb+0x130/0x360 [ 6756.898388][ T10] netlink_unicast+0x449/0x710 [ 6756.898388][ T10] netlink_sendmsg+0x723/0xbe0 [ 6756.898388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6756.898388][ T10] ___sys_sendmsg+0xee/0x170 [ 6756.898388][ T10] __sys_sendmsg+0xcd/0x170 [ 6756.898388][ T10] do_syscall_64+0xc6/0x1e0 [ 6756.898388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.898388][ T10] [ 6756.900309][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6756.900549][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6756.900549][ T10] netdev_get_by_index+0x5e/0x80 [ 6756.900549][ T10] fib6_nh_init+0x3d8/0x1580 [ 6756.900549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6756.900549][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6756.900549][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6756.900549][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6756.900549][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6756.900549][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6756.900549][ T10] addrconf_dad_begin+0x310/0x670 [ 6756.900549][ T10] addrconf_dad_work+0x10b/0xab0 [ 6756.900549][ T10] process_one_work+0x84d/0x18a0 [ 6756.900549][ T10] worker_thread+0x587/0xd30 [ 6756.900549][ T10] kthread+0x28a/0x350 [ 6756.900549][ T10] ret_from_fork+0x31/0x70 [ 6756.900549][ T10] ret_from_fork_asm+0x1a/0x30 [ 6756.900549][ T10] [ 6756.902693][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6756.902693][ T10] netdev_get_by_index+0x5e/0x80 [ 6756.902693][ T10] fib6_nh_init+0x3d8/0x1580 [ 6756.902693][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6756.902693][ T10] ip6_route_add+0x1c/0x140 [ 6756.902693][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6756.902693][ T10] inet6_addr_add+0x4f8/0xa40 [ 6756.902693][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6756.902693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.902693][ T10] netlink_rcv_skb+0x130/0x360 [ 6756.902693][ T10] netlink_unicast+0x449/0x710 [ 6756.902693][ T10] netlink_sendmsg+0x723/0xbe0 [ 6756.902693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6756.902693][ T10] ___sys_sendmsg+0xee/0x170 [ 6756.902693][ T10] __sys_sendmsg+0xcd/0x170 [ 6756.902693][ T10] do_syscall_64+0xc6/0x1e0 [ 6756.902693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.902693][ T10] [ 6756.904915][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6756.904915][ T10] netdev_get_by_index+0x5e/0x80 [ 6756.904915][ T10] fib6_nh_init+0x3d8/0x1580 [ 6756.904915][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6756.904915][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6756.904915][ T10] ipv6_add_addr+0x411/0x2000 [ 6756.904915][ T10] inet6_addr_add+0x30e/0xa40 [ 6756.904915][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6756.904915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.904915][ T10] netlink_rcv_skb+0x130/0x360 [ 6756.904915][ T10] netlink_unicast+0x449/0x710 [ 6756.904915][ T10] netlink_sendmsg+0x723/0xbe0 [ 6756.904915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6756.904915][ T10] ___sys_sendmsg+0xee/0x170 [ 6756.904915][ T10] __sys_sendmsg+0xcd/0x170 [ 6756.904915][ T10] do_syscall_64+0xc6/0x1e0 [ 6756.904915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.904915][ T10] [ 6756.907106][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6756.907106][ T10] netdev_get_by_index+0x5e/0x80 [ 6756.907106][ T10] fib6_nh_init+0x3d8/0x1580 [ 6756.907106][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6756.907106][ T10] ip6_route_add+0x1c/0x140 [ 6756.907106][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6756.907106][ T10] addrconf_add_dev+0xe2/0x170 [ 6756.907106][ T10] inet6_addr_add+0x12f/0xa40 [ 6756.907106][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6756.907106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.907106][ T10] netlink_rcv_skb+0x130/0x360 [ 6756.907106][ T10] netlink_unicast+0x449/0x710 [ 6756.907106][ T10] netlink_sendmsg+0x723/0xbe0 [ 6756.907106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6756.907106][ T10] ___sys_sendmsg+0xee/0x170 [ 6756.907106][ T10] __sys_sendmsg+0xcd/0x170 [ 6756.907106][ T10] do_syscall_64+0xc6/0x1e0 [ 6756.907106][ T10] [ 6756.909370][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6756.909370][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6756.909370][ T10] ipv6_find_idev+0x102/0x170 [ 6756.909370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6756.909370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.909370][ T10] netlink_rcv_skb+0x130/0x360 [ 6756.909370][ T10] netlink_unicast+0x449/0x710 [ 6756.909370][ T10] netlink_sendmsg+0x723/0xbe0 [ 6756.909370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6756.909370][ T10] ___sys_sendmsg+0xee/0x170 [ 6756.909370][ T10] __sys_sendmsg+0xcd/0x170 [ 6756.909370][ T10] do_syscall_64+0xc6/0x1e0 [ 6756.909370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.909370][ T10] [ 6756.911074][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6756.911074][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6756.911074][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6756.911074][ T10] ipv6_find_idev+0x102/0x170 [ 6756.911074][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6756.911074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6756.911074][ T10] netlink_rcv_skb+0x130/0x360 [ 6756.911074][ T10] netlink_unicast+0x449/0x710 [ 6756.911074][ T10] netlink_sendmsg+0x723/0xbe0 [ 6756.911074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6756.911074][ T10] ___sys_sendmsg+0xee/0x170 [ 6756.911074][ T10] __sys_sendmsg+0xcd/0x170 [ 6756.911074][ T10] do_syscall_64+0xc6/0x1e0 [ 6756.911074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6756.911074][ T10] [ 6764.161048][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6764.161581][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6764.161581][ T1167] dst_init+0x84/0x4a0 [ 6764.161581][ T1167] dst_alloc+0x97/0x150 [ 6764.161581][ T1167] ip6_dst_alloc+0x23/0x90 [ 6764.161581][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6764.161581][ T1167] ip6_pol_route+0x56f/0x840 [ 6764.161581][ T1167] fib6_rule_lookup+0x334/0x630 [ 6764.161581][ T1167] ip6_route_output_flags+0x259/0x480 [ 6764.161581][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6764.161581][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6764.161581][ T1167] netlink_rcv_skb+0x130/0x360 [ 6764.161581][ T1167] netlink_unicast+0x449/0x710 [ 6764.161581][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6764.161581][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6764.161581][ T1167] ___sys_sendmsg+0xee/0x170 [ 6764.161581][ T1167] __sys_sendmsg+0xcd/0x170 [ 6764.161581][ T1167] do_syscall_64+0xc6/0x1e0 [ 6764.161581][ T1167] [ 6764.164029][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6764.164029][ T1167] netdev_get_by_index+0x5e/0x80 [ 6764.164029][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6764.164029][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6764.164029][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6764.164029][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6764.164029][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6764.164029][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6764.164029][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6764.164029][ T1167] addrconf_dad_begin+0x310/0x670 [ 6764.164029][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6764.164029][ T1167] process_one_work+0x84d/0x18a0 [ 6764.164029][ T1167] worker_thread+0x587/0xd30 [ 6764.164029][ T1167] kthread+0x28a/0x350 [ 6764.164029][ T1167] ret_from_fork+0x31/0x70 [ 6764.164029][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6764.164029][ T1167] [ 6764.166399][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6764.166399][ T1167] netdev_get_by_index+0x5e/0x80 [ 6764.166399][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6764.166399][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6764.166399][ T1167] ip6_route_add+0x1c/0x140 [ 6764.166399][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6764.166399][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6764.166399][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6764.166399][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6764.166399][ T1167] netlink_rcv_skb+0x130/0x360 [ 6764.166399][ T1167] netlink_unicast+0x449/0x710 [ 6764.166399][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6764.166399][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6764.166399][ T1167] ___sys_sendmsg+0xee/0x170 [ 6764.166399][ T1167] __sys_sendmsg+0xcd/0x170 [ 6764.166399][ T1167] do_syscall_64+0xc6/0x1e0 [ 6764.166399][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6764.166399][ T1167] [ 6764.168865][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6764.168865][ T1167] netdev_get_by_index+0x5e/0x80 [ 6764.168865][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6764.168865][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6764.168865][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6764.168865][ T1167] ipv6_add_addr+0x411/0x2000 [ 6764.168865][ T1167] inet6_addr_add+0x30e/0xa40 [ 6764.168865][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6764.168865][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6764.168865][ T1167] netlink_rcv_skb+0x130/0x360 [ 6764.168865][ T1167] netlink_unicast+0x449/0x710 [ 6764.168865][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6764.168865][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6764.168865][ T1167] ___sys_sendmsg+0xee/0x170 [ 6764.168865][ T1167] __sys_sendmsg+0xcd/0x170 [ 6764.168865][ T1167] do_syscall_64+0xc6/0x1e0 [ 6764.168865][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6764.168865][ T1167] [ 6764.171329][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6764.171329][ T1167] netdev_get_by_index+0x5e/0x80 [ 6764.171329][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6764.171329][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6764.171329][ T1167] ip6_route_add+0x1c/0x140 [ 6764.171329][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6764.171329][ T1167] addrconf_add_dev+0xe2/0x170 [ 6764.171329][ T1167] inet6_addr_add+0x12f/0xa40 [ 6764.171329][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6764.171329][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6764.171329][ T1167] netlink_rcv_skb+0x130/0x360 [ 6764.171329][ T1167] netlink_unicast+0x449/0x710 [ 6764.171329][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6764.171329][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6764.171329][ T1167] ___sys_sendmsg+0xee/0x170 [ 6764.171329][ T1167] __sys_sendmsg+0xcd/0x170 [ 6764.171329][ T1167] do_syscall_64+0xc6/0x1e0 [ 6764.171329][ T1167] [ 6764.173749][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6764.173749][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6764.173749][ T1167] ipv6_find_idev+0x102/0x170 [ 6764.173749][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6764.173749][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6764.173749][ T1167] netlink_rcv_skb+0x130/0x360 [ 6764.173749][ T1167] netlink_unicast+0x449/0x710 [ 6764.173749][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6764.173749][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6764.173749][ T1167] ___sys_sendmsg+0xee/0x170 [ 6764.173749][ T1167] __sys_sendmsg+0xcd/0x170 [ 6764.173749][ T1167] do_syscall_64+0xc6/0x1e0 [ 6764.173749][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6764.173749][ T1167] [ 6764.175659][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6764.175659][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6764.175659][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6764.175659][ T1167] ipv6_find_idev+0x102/0x170 [ 6764.175659][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6764.175659][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6764.175659][ T1167] netlink_rcv_skb+0x130/0x360 [ 6764.175659][ T1167] netlink_unicast+0x449/0x710 [ 6764.175659][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6764.175659][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6764.175659][ T1167] ___sys_sendmsg+0xee/0x170 [ 6764.175659][ T1167] __sys_sendmsg+0xcd/0x170 [ 6764.175659][ T1167] do_syscall_64+0xc6/0x1e0 [ 6764.175659][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6764.175659][ T1167] [ 6767.153058][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6767.153448][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6767.153448][ T10] netdev_get_by_index+0x5e/0x80 [ 6767.153448][ T10] fib6_nh_init+0x3d8/0x1580 [ 6767.153448][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6767.153448][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6767.153448][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6767.153448][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6767.153448][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6767.153448][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6767.153448][ T10] addrconf_dad_begin+0x310/0x670 [ 6767.153448][ T10] addrconf_dad_work+0x10b/0xab0 [ 6767.153448][ T10] process_one_work+0x84d/0x18a0 [ 6767.153448][ T10] worker_thread+0x587/0xd30 [ 6767.153448][ T10] kthread+0x28a/0x350 [ 6767.153448][ T10] ret_from_fork+0x31/0x70 [ 6767.153448][ T10] ret_from_fork_asm+0x1a/0x30 [ 6767.153448][ T10] [ 6767.155593][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6767.155593][ T10] netdev_get_by_index+0x5e/0x80 [ 6767.155593][ T10] fib6_nh_init+0x3d8/0x1580 [ 6767.155593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6767.155593][ T10] ip6_route_add+0x1c/0x140 [ 6767.155593][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6767.155593][ T10] inet6_addr_add+0x4f8/0xa40 [ 6767.155593][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6767.155593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6767.155593][ T10] netlink_rcv_skb+0x130/0x360 [ 6767.155593][ T10] netlink_unicast+0x449/0x710 [ 6767.155593][ T10] netlink_sendmsg+0x723/0xbe0 [ 6767.155593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6767.155593][ T10] ___sys_sendmsg+0xee/0x170 [ 6767.155593][ T10] __sys_sendmsg+0xcd/0x170 [ 6767.155593][ T10] do_syscall_64+0xc6/0x1e0 [ 6767.155593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6767.155593][ T10] [ 6767.157813][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6767.157813][ T10] netdev_get_by_index+0x5e/0x80 [ 6767.157813][ T10] fib6_nh_init+0x3d8/0x1580 [ 6767.157813][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6767.157813][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6767.157813][ T10] ipv6_add_addr+0x411/0x2000 [ 6767.157813][ T10] inet6_addr_add+0x30e/0xa40 [ 6767.157813][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6767.157813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6767.157813][ T10] netlink_rcv_skb+0x130/0x360 [ 6767.157813][ T10] netlink_unicast+0x449/0x710 [ 6767.157813][ T10] netlink_sendmsg+0x723/0xbe0 [ 6767.157813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6767.157813][ T10] ___sys_sendmsg+0xee/0x170 [ 6767.157813][ T10] __sys_sendmsg+0xcd/0x170 [ 6767.157813][ T10] do_syscall_64+0xc6/0x1e0 [ 6767.157813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6767.157813][ T10] [ 6767.160032][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6767.160032][ T10] netdev_get_by_index+0x5e/0x80 [ 6767.160032][ T10] fib6_nh_init+0x3d8/0x1580 [ 6767.160032][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6767.160032][ T10] ip6_route_add+0x1c/0x140 [ 6767.160032][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6767.160032][ T10] addrconf_add_dev+0xe2/0x170 [ 6767.160032][ T10] inet6_addr_add+0x12f/0xa40 [ 6767.160032][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6767.160032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6767.160032][ T10] netlink_rcv_skb+0x130/0x360 [ 6767.160032][ T10] netlink_unicast+0x449/0x710 [ 6767.160032][ T10] netlink_sendmsg+0x723/0xbe0 [ 6767.160032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6767.160032][ T10] ___sys_sendmsg+0xee/0x170 [ 6767.160032][ T10] __sys_sendmsg+0xcd/0x170 [ 6767.160032][ T10] do_syscall_64+0xc6/0x1e0 [ 6767.160032][ T10] [ 6767.162221][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6767.162221][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6767.162221][ T10] ipv6_find_idev+0x102/0x170 [ 6767.162221][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6767.162221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6767.162221][ T10] netlink_rcv_skb+0x130/0x360 [ 6767.162221][ T10] netlink_unicast+0x449/0x710 [ 6767.162221][ T10] netlink_sendmsg+0x723/0xbe0 [ 6767.162221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6767.162221][ T10] ___sys_sendmsg+0xee/0x170 [ 6767.162221][ T10] __sys_sendmsg+0xcd/0x170 [ 6767.162221][ T10] do_syscall_64+0xc6/0x1e0 [ 6767.162221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6767.162221][ T10] [ 6767.163933][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6767.163933][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6767.163933][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6767.163933][ T10] ipv6_find_idev+0x102/0x170 [ 6767.163933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6767.163933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6767.163933][ T10] netlink_rcv_skb+0x130/0x360 [ 6767.163933][ T10] netlink_unicast+0x449/0x710 [ 6767.163933][ T10] netlink_sendmsg+0x723/0xbe0 [ 6767.163933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6767.163933][ T10] ___sys_sendmsg+0xee/0x170 [ 6767.163933][ T10] __sys_sendmsg+0xcd/0x170 [ 6767.163933][ T10] do_syscall_64+0xc6/0x1e0 [ 6767.163933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6767.163933][ T10] [ 6767.165810][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6767.166086][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6767.166086][ T10] netdev_get_by_index+0x5e/0x80 [ 6767.166086][ T10] fib6_nh_init+0x3d8/0x1580 [ 6767.166086][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6767.166086][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6767.166086][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6767.166086][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6767.166086][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6767.166086][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6767.166086][ T10] addrconf_dad_begin+0x310/0x670 [ 6767.166086][ T10] addrconf_dad_work+0x10b/0xab0 [ 6767.166086][ T10] process_one_work+0x84d/0x18a0 [ 6767.166086][ T10] worker_thread+0x587/0xd30 [ 6767.166086][ T10] kthread+0x28a/0x350 [ 6767.166086][ T10] ret_from_fork+0x31/0x70 [ 6767.166086][ T10] ret_from_fork_asm+0x1a/0x30 [ 6767.166086][ T10] [ 6767.168214][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6767.168214][ T10] netdev_get_by_index+0x5e/0x80 [ 6767.168214][ T10] fib6_nh_init+0x3d8/0x1580 [ 6767.168214][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6767.168214][ T10] ip6_route_add+0x1c/0x140 [ 6767.168214][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6767.168214][ T10] inet6_addr_add+0x4f8/0xa40 [ 6767.168214][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6767.168214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6767.168214][ T10] netlink_rcv_skb+0x130/0x360 [ 6767.168214][ T10] netlink_unicast+0x449/0x710 [ 6767.168214][ T10] netlink_sendmsg+0x723/0xbe0 [ 6767.168214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6767.168214][ T10] ___sys_sendmsg+0xee/0x170 [ 6767.168214][ T10] __sys_sendmsg+0xcd/0x170 [ 6767.168214][ T10] do_syscall_64+0xc6/0x1e0 [ 6767.168214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6767.168214][ T10] [ 6767.170414][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6767.170414][ T10] netdev_get_by_index+0x5e/0x80 [ 6767.170414][ T10] fib6_nh_init+0x3d8/0x1580 [ 6767.170414][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6767.170414][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6767.170414][ T10] ipv6_add_addr+0x411/0x2000 [ 6767.170414][ T10] inet6_addr_add+0x30e/0xa40 [ 6767.170414][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6767.170414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6767.170414][ T10] netlink_rcv_skb+0x130/0x360 [ 6767.170414][ T10] netlink_unicast+0x449/0x710 [ 6767.170414][ T10] netlink_sendmsg+0x723/0xbe0 [ 6767.170414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6767.170414][ T10] ___sys_sendmsg+0xee/0x170 [ 6767.170414][ T10] __sys_sendmsg+0xcd/0x170 [ 6767.170414][ T10] do_syscall_64+0xc6/0x1e0 [ 6767.170414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6767.170414][ T10] [ 6767.172649][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6767.172649][ T10] netdev_get_by_index+0x5e/0x80 [ 6767.172649][ T10] fib6_nh_init+0x3d8/0x1580 [ 6767.172649][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6767.172649][ T10] ip6_route_add+0x1c/0x140 [ 6767.172649][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6767.172649][ T10] addrconf_add_dev+0xe2/0x170 [ 6767.172649][ T10] inet6_addr_add+0x12f/0xa40 [ 6767.172649][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6767.172649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6767.172649][ T10] netlink_rcv_skb+0x130/0x360 [ 6767.172649][ T10] netlink_unicast+0x449/0x710 [ 6767.172649][ T10] netlink_sendmsg+0x723/0xbe0 [ 6767.172649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6767.172649][ T10] ___sys_sendmsg+0xee/0x170 [ 6767.172649][ T10] __sys_sendmsg+0xcd/0x170 [ 6767.172649][ T10] do_syscall_64+0xc6/0x1e0 [ 6767.172649][ T10] [ 6767.174838][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6767.174838][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6767.174838][ T10] ipv6_find_idev+0x102/0x170 [ 6767.174838][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6767.174838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6767.174838][ T10] netlink_rcv_skb+0x130/0x360 [ 6767.174838][ T10] netlink_unicast+0x449/0x710 [ 6767.174838][ T10] netlink_sendmsg+0x723/0xbe0 [ 6767.174838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6767.174838][ T10] ___sys_sendmsg+0xee/0x170 [ 6767.174838][ T10] __sys_sendmsg+0xcd/0x170 [ 6767.174838][ T10] do_syscall_64+0xc6/0x1e0 [ 6767.174838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6767.174838][ T10] [ 6767.176550][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6767.176550][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6767.176550][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6767.176550][ T10] ipv6_find_idev+0x102/0x170 [ 6767.176550][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6767.176550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6767.176550][ T10] netlink_rcv_skb+0x130/0x360 [ 6767.176550][ T10] netlink_unicast+0x449/0x710 [ 6767.176550][ T10] netlink_sendmsg+0x723/0xbe0 [ 6767.176550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6767.176550][ T10] ___sys_sendmsg+0xee/0x170 [ 6767.176550][ T10] __sys_sendmsg+0xcd/0x170 [ 6767.176550][ T10] do_syscall_64+0xc6/0x1e0 [ 6767.176550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6767.176550][ T10] [ 6767.178406][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6767.178673][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6767.178673][ T10] netdev_get_by_index+0x5e/0x80 [ 6767.178673][ T10] fib6_nh_init+0x3d8/0x1580 [ 6767.178673][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6767.178673][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6767.178673][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6767.178673][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6767.178673][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6767.178673][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6767.178673][ T10] addrconf_dad_begin+0x310/0x670 [ 6767.178673][ T10] addrconf_dad_work+0x10b/0xab0 [ 6767.178673][ T10] process_one_work+0x84d/0x18a0 [ 6767.178673][ T10] worker_thread+0x587/0xd30 [ 6767.178673][ T10] kthread+0x28a/0x350 [ 6767.178673][ T10] ret_from_fork+0x31/0x70 [ 6767.178673][ T10] ret_from_fork_asm+0x1a/0x30 [ 6767.178673][ T10] [ 6767.180793][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6767.180793][ T10] netdev_get_by_index+0x5e/0x80 [ 6767.180793][ T10] fib6_nh_init+0x3d8/0x1580 [ 6767.180793][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6767.180793][ T10] ip6_route_add+0x1c/0x140 [ 6767.180793][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6767.180793][ T10] inet6_addr_add+0x4f8/0xa40 [ 6767.180793][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6767.180793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6767.180793][ T10] netlink_rcv_skb+0x130/0x360 [ 6767.180793][ T10] netlink_unicast+0x449/0x710 [ 6767.180793][ T10] netlink_sendmsg+0x723/0xbe0 [ 6767.180793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6767.180793][ T10] ___sys_sendmsg+0xee/0x170 [ 6767.180793][ T10] __sys_sendmsg+0xcd/0x170 [ 6767.180793][ T10] do_syscall_64+0xc6/0x1e0 [ 6767.180793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6767.180793][ T10] [ 6767.183093][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6767.183093][ T10] netdev_get_by_index+0x5e/0x80 [ 6767.183093][ T10] fib6_nh_init+0x3d8/0x1580 [ 6767.183093][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6767.183093][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6767.183093][ T10] ipv6_add_addr+0x411/0x2000 [ 6767.183093][ T10] inet6_addr_add+0x30e/0xa40 [ 6767.183093][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6767.183093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6767.183093][ T10] netlink_rcv_skb+0x130/0x360 [ 6767.183093][ T10] netlink_unicast+0x449/0x710 [ 6767.183093][ T10] netlink_sendmsg+0x723/0xbe0 [ 6767.183093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6767.183093][ T10] ___sys_sendmsg+0xee/0x170 [ 6767.183093][ T10] __sys_sendmsg+0xcd/0x170 [ 6767.183093][ T10] do_syscall_64+0xc6/0x1e0 [ 6767.183093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6767.183093][ T10] [ 6767.185470][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6767.185470][ T10] netdev_get_by_index+0x5e/0x80 [ 6767.185470][ T10] fib6_nh_init+0x3d8/0x1580 [ 6767.185470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6767.185470][ T10] ip6_route_add+0x1c/0x140 [ 6767.185470][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6767.185470][ T10] addrconf_add_dev+0xe2/0x170 [ 6767.185470][ T10] inet6_addr_add+0x12f/0xa40 [ 6767.185470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6767.185470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6767.185470][ T10] netlink_rcv_skb+0x130/0x360 [ 6767.185470][ T10] netlink_unicast+0x449/0x710 [ 6767.185470][ T10] netlink_sendmsg+0x723/0xbe0 [ 6767.185470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6767.185470][ T10] ___sys_sendmsg+0xee/0x170 [ 6767.185470][ T10] __sys_sendmsg+0xcd/0x170 [ 6767.185470][ T10] do_syscall_64+0xc6/0x1e0 [ 6767.185470][ T10] [ 6767.187729][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6767.187729][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6767.187729][ T10] ipv6_find_idev+0x102/0x170 [ 6767.187729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6767.187729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6767.187729][ T10] netlink_rcv_skb+0x130/0x360 [ 6767.187729][ T10] netlink_unicast+0x449/0x710 [ 6767.187729][ T10] netlink_sendmsg+0x723/0xbe0 [ 6767.187729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6767.187729][ T10] ___sys_sendmsg+0xee/0x170 [ 6767.187729][ T10] __sys_sendmsg+0xcd/0x170 [ 6767.187729][ T10] do_syscall_64+0xc6/0x1e0 [ 6767.187729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6767.187729][ T10] [ 6767.189536][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6767.189536][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6767.189536][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6767.189536][ T10] ipv6_find_idev+0x102/0x170 [ 6767.189536][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6767.189536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6767.189536][ T10] netlink_rcv_skb+0x130/0x360 [ 6767.189536][ T10] netlink_unicast+0x449/0x710 [ 6767.189536][ T10] netlink_sendmsg+0x723/0xbe0 [ 6767.189536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6767.189536][ T10] ___sys_sendmsg+0xee/0x170 [ 6767.189536][ T10] __sys_sendmsg+0xcd/0x170 [ 6767.189536][ T10] do_syscall_64+0xc6/0x1e0 [ 6767.189536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6767.189536][ T10] [ 6767.191489][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6767.191746][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6767.191746][ T10] netdev_get_by_index+0x5e/0x80 [ 6767.191746][ T10] fib6_nh_init+0x3d8/0x1580 [ 6767.191746][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6767.191746][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6767.191746][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6767.191746][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6767.191746][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6767.191746][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6767.191746][ T10] addrconf_dad_begin+0x310/0x670 [ 6767.191746][ T10] addrconf_dad_work+0x10b/0xab0 [ 6767.191746][ T10] process_one_work+0x84d/0x18a0 [ 6767.191746][ T10] worker_thread+0x587/0xd30 [ 6767.191746][ T10] kthread+0x28a/0x350 [ 6767.191746][ T10] ret_from_fork+0x31/0x70 [ 6767.191746][ T10] ret_from_fork_asm+0x1a/0x30 [ 6767.191746][ T10] [ 6767.193964][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6767.193964][ T10] netdev_get_by_index+0x5e/0x80 [ 6767.193964][ T10] fib6_nh_init+0x3d8/0x1580 [ 6767.193964][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6767.193964][ T10] ip6_route_add+0x1c/0x140 [ 6767.193964][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6767.193964][ T10] inet6_addr_add+0x4f8/0xa40 [ 6767.193964][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6767.193964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6767.193964][ T10] netlink_rcv_skb+0x130/0x360 [ 6767.193964][ T10] netlink_unicast+0x449/0x710 [ 6767.193964][ T10] netlink_sendmsg+0x723/0xbe0 [ 6767.193964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6767.193964][ T10] ___sys_sendmsg+0xee/0x170 [ 6767.193964][ T10] __sys_sendmsg+0xcd/0x170 [ 6767.193964][ T10] do_syscall_64+0xc6/0x1e0 [ 6767.193964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6767.193964][ T10] [ 6767.196364][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6767.196364][ T10] netdev_get_by_index+0x5e/0x80 [ 6767.196364][ T10] fib6_nh_init+0x3d8/0x1580 [ 6767.196364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6767.196364][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6767.196364][ T10] ipv6_add_addr+0x411/0x2000 [ 6767.196364][ T10] inet6_addr_add+0x30e/0xa40 [ 6767.196364][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6767.196364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6767.196364][ T10] netlink_rcv_skb+0x130/0x360 [ 6767.196364][ T10] netlink_unicast+0x449/0x710 [ 6767.196364][ T10] netlink_sendmsg+0x723/0xbe0 [ 6767.196364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6767.196364][ T10] ___sys_sendmsg+0xee/0x170 [ 6767.196364][ T10] __sys_sendmsg+0xcd/0x170 [ 6767.196364][ T10] do_syscall_64+0xc6/0x1e0 [ 6767.196364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6767.196364][ T10] [ 6767.198697][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6767.198697][ T10] netdev_get_by_index+0x5e/0x80 [ 6767.198697][ T10] fib6_nh_init+0x3d8/0x1580 [ 6767.198697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6767.198697][ T10] ip6_route_add+0x1c/0x140 [ 6767.198697][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6767.198697][ T10] addrconf_add_dev+0xe2/0x170 [ 6767.198697][ T10] inet6_addr_add+0x12f/0xa40 [ 6767.198697][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6767.198697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6767.198697][ T10] netlink_rcv_skb+0x130/0x360 [ 6767.198697][ T10] netlink_unicast+0x449/0x710 [ 6767.198697][ T10] netlink_sendmsg+0x723/0xbe0 [ 6767.198697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6767.198697][ T10] ___sys_sendmsg+0xee/0x170 [ 6767.198697][ T10] __sys_sendmsg+0xcd/0x170 [ 6767.198697][ T10] do_syscall_64+0xc6/0x1e0 [ 6767.198697][ T10] [ 6767.200993][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6767.200993][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6767.200993][ T10] ipv6_find_idev+0x102/0x170 [ 6767.200993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6767.200993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6767.200993][ T10] netlink_rcv_skb+0x130/0x360 [ 6767.200993][ T10] netlink_unicast+0x449/0x710 [ 6767.200993][ T10] netlink_sendmsg+0x723/0xbe0 [ 6767.200993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6767.200993][ T10] ___sys_sendmsg+0xee/0x170 [ 6767.200993][ T10] __sys_sendmsg+0xcd/0x170 [ 6767.200993][ T10] do_syscall_64+0xc6/0x1e0 [ 6767.200993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6767.200993][ T10] [ 6767.202783][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6767.202783][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6767.202783][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6767.202783][ T10] ipv6_find_idev+0x102/0x170 [ 6767.202783][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6767.202783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6767.202783][ T10] netlink_rcv_skb+0x130/0x360 [ 6767.202783][ T10] netlink_unicast+0x449/0x710 [ 6767.202783][ T10] netlink_sendmsg+0x723/0xbe0 [ 6767.202783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6767.202783][ T10] ___sys_sendmsg+0xee/0x170 [ 6767.202783][ T10] __sys_sendmsg+0xcd/0x170 [ 6767.202783][ T10] do_syscall_64+0xc6/0x1e0 [ 6767.202783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6767.202783][ T10] [ 6774.417104][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6774.417596][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6774.417596][ T1167] dst_init+0x84/0x4a0 [ 6774.417596][ T1167] dst_alloc+0x97/0x150 [ 6774.417596][ T1167] ip6_dst_alloc+0x23/0x90 [ 6774.417596][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6774.417596][ T1167] ip6_pol_route+0x56f/0x840 [ 6774.417596][ T1167] fib6_rule_lookup+0x334/0x630 [ 6774.417596][ T1167] ip6_route_output_flags+0x259/0x480 [ 6774.417596][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6774.417596][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6774.417596][ T1167] netlink_rcv_skb+0x130/0x360 [ 6774.417596][ T1167] netlink_unicast+0x449/0x710 [ 6774.417596][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6774.417596][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6774.417596][ T1167] ___sys_sendmsg+0xee/0x170 [ 6774.417596][ T1167] __sys_sendmsg+0xcd/0x170 [ 6774.417596][ T1167] do_syscall_64+0xc6/0x1e0 [ 6774.417596][ T1167] [ 6774.420008][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6774.420008][ T1167] netdev_get_by_index+0x5e/0x80 [ 6774.420008][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6774.420008][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6774.420008][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6774.420008][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6774.420008][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6774.420008][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6774.420008][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6774.420008][ T1167] addrconf_dad_begin+0x310/0x670 [ 6774.420008][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6774.420008][ T1167] process_one_work+0x84d/0x18a0 [ 6774.420008][ T1167] worker_thread+0x587/0xd30 [ 6774.420008][ T1167] kthread+0x28a/0x350 [ 6774.420008][ T1167] ret_from_fork+0x31/0x70 [ 6774.420008][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6774.420008][ T1167] [ 6774.422377][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6774.422377][ T1167] netdev_get_by_index+0x5e/0x80 [ 6774.422377][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6774.422377][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6774.422377][ T1167] ip6_route_add+0x1c/0x140 [ 6774.422377][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6774.422377][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6774.422377][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6774.422377][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6774.422377][ T1167] netlink_rcv_skb+0x130/0x360 [ 6774.422377][ T1167] netlink_unicast+0x449/0x710 [ 6774.422377][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6774.422377][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6774.422377][ T1167] ___sys_sendmsg+0xee/0x170 [ 6774.422377][ T1167] __sys_sendmsg+0xcd/0x170 [ 6774.422377][ T1167] do_syscall_64+0xc6/0x1e0 [ 6774.422377][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6774.422377][ T1167] [ 6774.424843][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6774.424843][ T1167] netdev_get_by_index+0x5e/0x80 [ 6774.424843][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6774.424843][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6774.424843][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6774.424843][ T1167] ipv6_add_addr+0x411/0x2000 [ 6774.424843][ T1167] inet6_addr_add+0x30e/0xa40 [ 6774.424843][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6774.424843][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6774.424843][ T1167] netlink_rcv_skb+0x130/0x360 [ 6774.424843][ T1167] netlink_unicast+0x449/0x710 [ 6774.424843][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6774.424843][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6774.424843][ T1167] ___sys_sendmsg+0xee/0x170 [ 6774.424843][ T1167] __sys_sendmsg+0xcd/0x170 [ 6774.424843][ T1167] do_syscall_64+0xc6/0x1e0 [ 6774.424843][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6774.424843][ T1167] [ 6774.427308][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6774.427308][ T1167] netdev_get_by_index+0x5e/0x80 [ 6774.427308][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6774.427308][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6774.427308][ T1167] ip6_route_add+0x1c/0x140 [ 6774.427308][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6774.427308][ T1167] addrconf_add_dev+0xe2/0x170 [ 6774.427308][ T1167] inet6_addr_add+0x12f/0xa40 [ 6774.427308][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6774.427308][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6774.427308][ T1167] netlink_rcv_skb+0x130/0x360 [ 6774.427308][ T1167] netlink_unicast+0x449/0x710 [ 6774.427308][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6774.427308][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6774.427308][ T1167] ___sys_sendmsg+0xee/0x170 [ 6774.427308][ T1167] __sys_sendmsg+0xcd/0x170 [ 6774.427308][ T1167] do_syscall_64+0xc6/0x1e0 [ 6774.427308][ T1167] [ 6774.429730][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6774.429730][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6774.429730][ T1167] ipv6_find_idev+0x102/0x170 [ 6774.429730][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6774.429730][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6774.429730][ T1167] netlink_rcv_skb+0x130/0x360 [ 6774.429730][ T1167] netlink_unicast+0x449/0x710 [ 6774.429730][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6774.429730][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6774.429730][ T1167] ___sys_sendmsg+0xee/0x170 [ 6774.429730][ T1167] __sys_sendmsg+0xcd/0x170 [ 6774.429730][ T1167] do_syscall_64+0xc6/0x1e0 [ 6774.429730][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6774.429730][ T1167] [ 6774.431630][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6774.431630][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6774.431630][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6774.431630][ T1167] ipv6_find_idev+0x102/0x170 [ 6774.431630][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6774.431630][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6774.431630][ T1167] netlink_rcv_skb+0x130/0x360 [ 6774.431630][ T1167] netlink_unicast+0x449/0x710 [ 6774.431630][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6774.431630][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6774.431630][ T1167] ___sys_sendmsg+0xee/0x170 [ 6774.431630][ T1167] __sys_sendmsg+0xcd/0x170 [ 6774.431630][ T1167] do_syscall_64+0xc6/0x1e0 [ 6774.431630][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6774.431630][ T1167] [ 6777.441035][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6777.441397][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6777.441397][ T10] netdev_get_by_index+0x5e/0x80 [ 6777.441397][ T10] fib6_nh_init+0x3d8/0x1580 [ 6777.441397][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6777.441397][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6777.441397][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6777.441397][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6777.441397][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6777.441397][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6777.441397][ T10] addrconf_dad_begin+0x310/0x670 [ 6777.441397][ T10] addrconf_dad_work+0x10b/0xab0 [ 6777.441397][ T10] process_one_work+0x84d/0x18a0 [ 6777.441397][ T10] worker_thread+0x587/0xd30 [ 6777.441397][ T10] kthread+0x28a/0x350 [ 6777.441397][ T10] ret_from_fork+0x31/0x70 [ 6777.441397][ T10] ret_from_fork_asm+0x1a/0x30 [ 6777.441397][ T10] [ 6777.443559][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6777.443559][ T10] netdev_get_by_index+0x5e/0x80 [ 6777.443559][ T10] fib6_nh_init+0x3d8/0x1580 [ 6777.443559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6777.443559][ T10] ip6_route_add+0x1c/0x140 [ 6777.443559][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6777.443559][ T10] inet6_addr_add+0x4f8/0xa40 [ 6777.443559][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6777.443559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6777.443559][ T10] netlink_rcv_skb+0x130/0x360 [ 6777.443559][ T10] netlink_unicast+0x449/0x710 [ 6777.443559][ T10] netlink_sendmsg+0x723/0xbe0 [ 6777.443559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6777.443559][ T10] ___sys_sendmsg+0xee/0x170 [ 6777.443559][ T10] __sys_sendmsg+0xcd/0x170 [ 6777.443559][ T10] do_syscall_64+0xc6/0x1e0 [ 6777.443559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6777.443559][ T10] [ 6777.445793][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6777.445793][ T10] netdev_get_by_index+0x5e/0x80 [ 6777.445793][ T10] fib6_nh_init+0x3d8/0x1580 [ 6777.445793][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6777.445793][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6777.445793][ T10] ipv6_add_addr+0x411/0x2000 [ 6777.445793][ T10] inet6_addr_add+0x30e/0xa40 [ 6777.445793][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6777.445793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6777.445793][ T10] netlink_rcv_skb+0x130/0x360 [ 6777.445793][ T10] netlink_unicast+0x449/0x710 [ 6777.445793][ T10] netlink_sendmsg+0x723/0xbe0 [ 6777.445793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6777.445793][ T10] ___sys_sendmsg+0xee/0x170 [ 6777.445793][ T10] __sys_sendmsg+0xcd/0x170 [ 6777.445793][ T10] do_syscall_64+0xc6/0x1e0 [ 6777.445793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6777.445793][ T10] [ 6777.448056][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6777.448056][ T10] netdev_get_by_index+0x5e/0x80 [ 6777.448056][ T10] fib6_nh_init+0x3d8/0x1580 [ 6777.448056][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6777.448056][ T10] ip6_route_add+0x1c/0x140 [ 6777.448056][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6777.448056][ T10] addrconf_add_dev+0xe2/0x170 [ 6777.448056][ T10] inet6_addr_add+0x12f/0xa40 [ 6777.448056][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6777.448056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6777.448056][ T10] netlink_rcv_skb+0x130/0x360 [ 6777.448056][ T10] netlink_unicast+0x449/0x710 [ 6777.448056][ T10] netlink_sendmsg+0x723/0xbe0 [ 6777.448056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6777.448056][ T10] ___sys_sendmsg+0xee/0x170 [ 6777.448056][ T10] __sys_sendmsg+0xcd/0x170 [ 6777.448056][ T10] do_syscall_64+0xc6/0x1e0 [ 6777.448056][ T10] [ 6777.450228][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6777.450228][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6777.450228][ T10] ipv6_find_idev+0x102/0x170 [ 6777.450228][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6777.450228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6777.450228][ T10] netlink_rcv_skb+0x130/0x360 [ 6777.450228][ T10] netlink_unicast+0x449/0x710 [ 6777.450228][ T10] netlink_sendmsg+0x723/0xbe0 [ 6777.450228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6777.450228][ T10] ___sys_sendmsg+0xee/0x170 [ 6777.450228][ T10] __sys_sendmsg+0xcd/0x170 [ 6777.450228][ T10] do_syscall_64+0xc6/0x1e0 [ 6777.450228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6777.450228][ T10] [ 6777.451957][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6777.451957][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6777.451957][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6777.451957][ T10] ipv6_find_idev+0x102/0x170 [ 6777.451957][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6777.451957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6777.451957][ T10] netlink_rcv_skb+0x130/0x360 [ 6777.451957][ T10] netlink_unicast+0x449/0x710 [ 6777.451957][ T10] netlink_sendmsg+0x723/0xbe0 [ 6777.451957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6777.451957][ T10] ___sys_sendmsg+0xee/0x170 [ 6777.451957][ T10] __sys_sendmsg+0xcd/0x170 [ 6777.451957][ T10] do_syscall_64+0xc6/0x1e0 [ 6777.451957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6777.451957][ T10] [ 6777.453852][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6777.454140][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6777.454140][ T10] netdev_get_by_index+0x5e/0x80 [ 6777.454140][ T10] fib6_nh_init+0x3d8/0x1580 [ 6777.454140][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6777.454140][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6777.454140][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6777.454140][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6777.454140][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6777.454140][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6777.454140][ T10] addrconf_dad_begin+0x310/0x670 [ 6777.454140][ T10] addrconf_dad_work+0x10b/0xab0 [ 6777.454140][ T10] process_one_work+0x84d/0x18a0 [ 6777.454140][ T10] worker_thread+0x587/0xd30 [ 6777.454140][ T10] kthread+0x28a/0x350 [ 6777.454140][ T10] ret_from_fork+0x31/0x70 [ 6777.454140][ T10] ret_from_fork_asm+0x1a/0x30 [ 6777.454140][ T10] [ 6777.456304][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6777.456304][ T10] netdev_get_by_index+0x5e/0x80 [ 6777.456304][ T10] fib6_nh_init+0x3d8/0x1580 [ 6777.456304][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6777.456304][ T10] ip6_route_add+0x1c/0x140 [ 6777.456304][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6777.456304][ T10] inet6_addr_add+0x4f8/0xa40 [ 6777.456304][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6777.456304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6777.456304][ T10] netlink_rcv_skb+0x130/0x360 [ 6777.456304][ T10] netlink_unicast+0x449/0x710 [ 6777.456304][ T10] netlink_sendmsg+0x723/0xbe0 [ 6777.456304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6777.456304][ T10] ___sys_sendmsg+0xee/0x170 [ 6777.456304][ T10] __sys_sendmsg+0xcd/0x170 [ 6777.456304][ T10] do_syscall_64+0xc6/0x1e0 [ 6777.456304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6777.456304][ T10] [ 6777.458546][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6777.458546][ T10] netdev_get_by_index+0x5e/0x80 [ 6777.458546][ T10] fib6_nh_init+0x3d8/0x1580 [ 6777.458546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6777.458546][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6777.458546][ T10] ipv6_add_addr+0x411/0x2000 [ 6777.458546][ T10] inet6_addr_add+0x30e/0xa40 [ 6777.458546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6777.458546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6777.458546][ T10] netlink_rcv_skb+0x130/0x360 [ 6777.458546][ T10] netlink_unicast+0x449/0x710 [ 6777.458546][ T10] netlink_sendmsg+0x723/0xbe0 [ 6777.458546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6777.458546][ T10] ___sys_sendmsg+0xee/0x170 [ 6777.458546][ T10] __sys_sendmsg+0xcd/0x170 [ 6777.458546][ T10] do_syscall_64+0xc6/0x1e0 [ 6777.458546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6777.458546][ T10] [ 6777.460796][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6777.460796][ T10] netdev_get_by_index+0x5e/0x80 [ 6777.460796][ T10] fib6_nh_init+0x3d8/0x1580 [ 6777.460796][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6777.460796][ T10] ip6_route_add+0x1c/0x140 [ 6777.460796][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6777.460796][ T10] addrconf_add_dev+0xe2/0x170 [ 6777.460796][ T10] inet6_addr_add+0x12f/0xa40 [ 6777.460796][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6777.460796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6777.460796][ T10] netlink_rcv_skb+0x130/0x360 [ 6777.460796][ T10] netlink_unicast+0x449/0x710 [ 6777.460796][ T10] netlink_sendmsg+0x723/0xbe0 [ 6777.460796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6777.460796][ T10] ___sys_sendmsg+0xee/0x170 [ 6777.460796][ T10] __sys_sendmsg+0xcd/0x170 [ 6777.460796][ T10] do_syscall_64+0xc6/0x1e0 [ 6777.460796][ T10] [ 6777.462984][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6777.462984][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6777.462984][ T10] ipv6_find_idev+0x102/0x170 [ 6777.462984][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6777.462984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6777.462984][ T10] netlink_rcv_skb+0x130/0x360 [ 6777.462984][ T10] netlink_unicast+0x449/0x710 [ 6777.462984][ T10] netlink_sendmsg+0x723/0xbe0 [ 6777.462984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6777.462984][ T10] ___sys_sendmsg+0xee/0x170 [ 6777.462984][ T10] __sys_sendmsg+0xcd/0x170 [ 6777.462984][ T10] do_syscall_64+0xc6/0x1e0 [ 6777.462984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6777.462984][ T10] [ 6777.464710][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6777.464710][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6777.464710][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6777.464710][ T10] ipv6_find_idev+0x102/0x170 [ 6777.464710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6777.464710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6777.464710][ T10] netlink_rcv_skb+0x130/0x360 [ 6777.464710][ T10] netlink_unicast+0x449/0x710 [ 6777.464710][ T10] netlink_sendmsg+0x723/0xbe0 [ 6777.464710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6777.464710][ T10] ___sys_sendmsg+0xee/0x170 [ 6777.464710][ T10] __sys_sendmsg+0xcd/0x170 [ 6777.464710][ T10] do_syscall_64+0xc6/0x1e0 [ 6777.464710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6777.464710][ T10] [ 6777.466575][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6777.466844][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6777.466844][ T10] netdev_get_by_index+0x5e/0x80 [ 6777.466844][ T10] fib6_nh_init+0x3d8/0x1580 [ 6777.466844][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6777.466844][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6777.466844][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6777.466844][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6777.466844][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6777.466844][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6777.466844][ T10] addrconf_dad_begin+0x310/0x670 [ 6777.466844][ T10] addrconf_dad_work+0x10b/0xab0 [ 6777.466844][ T10] process_one_work+0x84d/0x18a0 [ 6777.466844][ T10] worker_thread+0x587/0xd30 [ 6777.466844][ T10] kthread+0x28a/0x350 [ 6777.466844][ T10] ret_from_fork+0x31/0x70 [ 6777.466844][ T10] ret_from_fork_asm+0x1a/0x30 [ 6777.466844][ T10] [ 6777.468974][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6777.468974][ T10] netdev_get_by_index+0x5e/0x80 [ 6777.468974][ T10] fib6_nh_init+0x3d8/0x1580 [ 6777.468974][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6777.468974][ T10] ip6_route_add+0x1c/0x140 [ 6777.468974][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6777.468974][ T10] inet6_addr_add+0x4f8/0xa40 [ 6777.468974][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6777.468974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6777.468974][ T10] netlink_rcv_skb+0x130/0x360 [ 6777.468974][ T10] netlink_unicast+0x449/0x710 [ 6777.468974][ T10] netlink_sendmsg+0x723/0xbe0 [ 6777.468974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6777.468974][ T10] ___sys_sendmsg+0xee/0x170 [ 6777.468974][ T10] __sys_sendmsg+0xcd/0x170 [ 6777.468974][ T10] do_syscall_64+0xc6/0x1e0 [ 6777.468974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6777.468974][ T10] [ 6777.471358][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6777.471358][ T10] netdev_get_by_index+0x5e/0x80 [ 6777.471358][ T10] fib6_nh_init+0x3d8/0x1580 [ 6777.471358][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6777.471358][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6777.471358][ T10] ipv6_add_addr+0x411/0x2000 [ 6777.471358][ T10] inet6_addr_add+0x30e/0xa40 [ 6777.471358][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6777.471358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6777.471358][ T10] netlink_rcv_skb+0x130/0x360 [ 6777.471358][ T10] netlink_unicast+0x449/0x710 [ 6777.471358][ T10] netlink_sendmsg+0x723/0xbe0 [ 6777.471358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6777.471358][ T10] ___sys_sendmsg+0xee/0x170 [ 6777.471358][ T10] __sys_sendmsg+0xcd/0x170 [ 6777.471358][ T10] do_syscall_64+0xc6/0x1e0 [ 6777.471358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6777.471358][ T10] [ 6777.473806][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6777.473806][ T10] netdev_get_by_index+0x5e/0x80 [ 6777.473806][ T10] fib6_nh_init+0x3d8/0x1580 [ 6777.473806][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6777.473806][ T10] ip6_route_add+0x1c/0x140 [ 6777.473806][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6777.473806][ T10] addrconf_add_dev+0xe2/0x170 [ 6777.473806][ T10] inet6_addr_add+0x12f/0xa40 [ 6777.473806][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6777.473806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6777.473806][ T10] netlink_rcv_skb+0x130/0x360 [ 6777.473806][ T10] netlink_unicast+0x449/0x710 [ 6777.473806][ T10] netlink_sendmsg+0x723/0xbe0 [ 6777.473806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6777.473806][ T10] ___sys_sendmsg+0xee/0x170 [ 6777.473806][ T10] __sys_sendmsg+0xcd/0x170 [ 6777.473806][ T10] do_syscall_64+0xc6/0x1e0 [ 6777.473806][ T10] [ 6777.476157][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6777.476157][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6777.476157][ T10] ipv6_find_idev+0x102/0x170 [ 6777.476157][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6777.476157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6777.476157][ T10] netlink_rcv_skb+0x130/0x360 [ 6777.476157][ T10] netlink_unicast+0x449/0x710 [ 6777.476157][ T10] netlink_sendmsg+0x723/0xbe0 [ 6777.476157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6777.476157][ T10] ___sys_sendmsg+0xee/0x170 [ 6777.476157][ T10] __sys_sendmsg+0xcd/0x170 [ 6777.476157][ T10] do_syscall_64+0xc6/0x1e0 [ 6777.476157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6777.476157][ T10] [ 6777.478005][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6777.478005][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6777.478005][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6777.478005][ T10] ipv6_find_idev+0x102/0x170 [ 6777.478005][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6777.478005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6777.478005][ T10] netlink_rcv_skb+0x130/0x360 [ 6777.478005][ T10] netlink_unicast+0x449/0x710 [ 6777.478005][ T10] netlink_sendmsg+0x723/0xbe0 [ 6777.478005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6777.478005][ T10] ___sys_sendmsg+0xee/0x170 [ 6777.478005][ T10] __sys_sendmsg+0xcd/0x170 [ 6777.478005][ T10] do_syscall_64+0xc6/0x1e0 [ 6777.478005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6777.478005][ T10] [ 6777.480355][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6777.480613][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6777.480613][ T10] netdev_get_by_index+0x5e/0x80 [ 6777.480613][ T10] fib6_nh_init+0x3d8/0x1580 [ 6777.480613][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6777.480613][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6777.480613][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6777.480613][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6777.480613][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6777.480613][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6777.480613][ T10] addrconf_dad_begin+0x310/0x670 [ 6777.480613][ T10] addrconf_dad_work+0x10b/0xab0 [ 6777.480613][ T10] process_one_work+0x84d/0x18a0 [ 6777.480613][ T10] worker_thread+0x587/0xd30 [ 6777.480613][ T10] kthread+0x28a/0x350 [ 6777.480613][ T10] ret_from_fork+0x31/0x70 [ 6777.480613][ T10] ret_from_fork_asm+0x1a/0x30 [ 6777.480613][ T10] [ 6777.482757][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6777.482757][ T10] netdev_get_by_index+0x5e/0x80 [ 6777.482757][ T10] fib6_nh_init+0x3d8/0x1580 [ 6777.482757][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6777.482757][ T10] ip6_route_add+0x1c/0x140 [ 6777.482757][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6777.482757][ T10] inet6_addr_add+0x4f8/0xa40 [ 6777.482757][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6777.482757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6777.482757][ T10] netlink_rcv_skb+0x130/0x360 [ 6777.482757][ T10] netlink_unicast+0x449/0x710 [ 6777.482757][ T10] netlink_sendmsg+0x723/0xbe0 [ 6777.482757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6777.482757][ T10] ___sys_sendmsg+0xee/0x170 [ 6777.482757][ T10] __sys_sendmsg+0xcd/0x170 [ 6777.482757][ T10] do_syscall_64+0xc6/0x1e0 [ 6777.482757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6777.482757][ T10] [ 6777.485090][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6777.485090][ T10] netdev_get_by_index+0x5e/0x80 [ 6777.485090][ T10] fib6_nh_init+0x3d8/0x1580 [ 6777.485090][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6777.485090][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6777.485090][ T10] ipv6_add_addr+0x411/0x2000 [ 6777.485090][ T10] inet6_addr_add+0x30e/0xa40 [ 6777.485090][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6777.485090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6777.485090][ T10] netlink_rcv_skb+0x130/0x360 [ 6777.485090][ T10] netlink_unicast+0x449/0x710 [ 6777.485090][ T10] netlink_sendmsg+0x723/0xbe0 [ 6777.485090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6777.485090][ T10] ___sys_sendmsg+0xee/0x170 [ 6777.485090][ T10] __sys_sendmsg+0xcd/0x170 [ 6777.485090][ T10] do_syscall_64+0xc6/0x1e0 [ 6777.485090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6777.485090][ T10] [ 6777.487572][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6777.487572][ T10] netdev_get_by_index+0x5e/0x80 [ 6777.487572][ T10] fib6_nh_init+0x3d8/0x1580 [ 6777.487572][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6777.487572][ T10] ip6_route_add+0x1c/0x140 [ 6777.487572][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6777.487572][ T10] addrconf_add_dev+0xe2/0x170 [ 6777.487572][ T10] inet6_addr_add+0x12f/0xa40 [ 6777.487572][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6777.487572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6777.487572][ T10] netlink_rcv_skb+0x130/0x360 [ 6777.487572][ T10] netlink_unicast+0x449/0x710 [ 6777.487572][ T10] netlink_sendmsg+0x723/0xbe0 [ 6777.487572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6777.487572][ T10] ___sys_sendmsg+0xee/0x170 [ 6777.487572][ T10] __sys_sendmsg+0xcd/0x170 [ 6777.487572][ T10] do_syscall_64+0xc6/0x1e0 [ 6777.487572][ T10] [ 6777.489938][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6777.489938][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6777.489938][ T10] ipv6_find_idev+0x102/0x170 [ 6777.489938][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6777.489938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6777.489938][ T10] netlink_rcv_skb+0x130/0x360 [ 6777.489938][ T10] netlink_unicast+0x449/0x710 [ 6777.489938][ T10] netlink_sendmsg+0x723/0xbe0 [ 6777.489938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6777.489938][ T10] ___sys_sendmsg+0xee/0x170 [ 6777.489938][ T10] __sys_sendmsg+0xcd/0x170 [ 6777.489938][ T10] do_syscall_64+0xc6/0x1e0 [ 6777.489938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6777.489938][ T10] [ 6777.491735][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6777.491735][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6777.491735][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6777.491735][ T10] ipv6_find_idev+0x102/0x170 [ 6777.491735][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6777.491735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6777.491735][ T10] netlink_rcv_skb+0x130/0x360 [ 6777.491735][ T10] netlink_unicast+0x449/0x710 [ 6777.491735][ T10] netlink_sendmsg+0x723/0xbe0 [ 6777.491735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6777.491735][ T10] ___sys_sendmsg+0xee/0x170 [ 6777.491735][ T10] __sys_sendmsg+0xcd/0x170 [ 6777.491735][ T10] do_syscall_64+0xc6/0x1e0 [ 6777.491735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6777.491735][ T10] [ 6784.673102][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6784.673612][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6784.673612][ T1167] dst_init+0x84/0x4a0 [ 6784.673612][ T1167] dst_alloc+0x97/0x150 [ 6784.673612][ T1167] ip6_dst_alloc+0x23/0x90 [ 6784.673612][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6784.673612][ T1167] ip6_pol_route+0x56f/0x840 [ 6784.673612][ T1167] fib6_rule_lookup+0x334/0x630 [ 6784.673612][ T1167] ip6_route_output_flags+0x259/0x480 [ 6784.673612][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6784.673612][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6784.673612][ T1167] netlink_rcv_skb+0x130/0x360 [ 6784.673612][ T1167] netlink_unicast+0x449/0x710 [ 6784.673612][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6784.673612][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6784.673612][ T1167] ___sys_sendmsg+0xee/0x170 [ 6784.673612][ T1167] __sys_sendmsg+0xcd/0x170 [ 6784.673612][ T1167] do_syscall_64+0xc6/0x1e0 [ 6784.673612][ T1167] [ 6784.676032][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6784.676032][ T1167] netdev_get_by_index+0x5e/0x80 [ 6784.676032][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6784.676032][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6784.676032][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6784.676032][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6784.676032][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6784.676032][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6784.676032][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6784.676032][ T1167] addrconf_dad_begin+0x310/0x670 [ 6784.676032][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6784.676032][ T1167] process_one_work+0x84d/0x18a0 [ 6784.676032][ T1167] worker_thread+0x587/0xd30 [ 6784.676032][ T1167] kthread+0x28a/0x350 [ 6784.676032][ T1167] ret_from_fork+0x31/0x70 [ 6784.676032][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6784.676032][ T1167] [ 6784.678397][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6784.678397][ T1167] netdev_get_by_index+0x5e/0x80 [ 6784.678397][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6784.678397][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6784.678397][ T1167] ip6_route_add+0x1c/0x140 [ 6784.678397][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6784.678397][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6784.678397][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6784.678397][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6784.678397][ T1167] netlink_rcv_skb+0x130/0x360 [ 6784.678397][ T1167] netlink_unicast+0x449/0x710 [ 6784.678397][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6784.678397][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6784.678397][ T1167] ___sys_sendmsg+0xee/0x170 [ 6784.678397][ T1167] __sys_sendmsg+0xcd/0x170 [ 6784.678397][ T1167] do_syscall_64+0xc6/0x1e0 [ 6784.678397][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6784.678397][ T1167] [ 6784.681013][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6784.681013][ T1167] netdev_get_by_index+0x5e/0x80 [ 6784.681013][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6784.681013][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6784.681013][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6784.681013][ T1167] ipv6_add_addr+0x411/0x2000 [ 6784.681013][ T1167] inet6_addr_add+0x30e/0xa40 [ 6784.681013][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6784.681013][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6784.681013][ T1167] netlink_rcv_skb+0x130/0x360 [ 6784.681013][ T1167] netlink_unicast+0x449/0x710 [ 6784.681013][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6784.681013][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6784.681013][ T1167] ___sys_sendmsg+0xee/0x170 [ 6784.681013][ T1167] __sys_sendmsg+0xcd/0x170 [ 6784.681013][ T1167] do_syscall_64+0xc6/0x1e0 [ 6784.681013][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6784.681013][ T1167] [ 6784.683482][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6784.683482][ T1167] netdev_get_by_index+0x5e/0x80 [ 6784.683482][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6784.683482][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6784.683482][ T1167] ip6_route_add+0x1c/0x140 [ 6784.683482][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6784.683482][ T1167] addrconf_add_dev+0xe2/0x170 [ 6784.683482][ T1167] inet6_addr_add+0x12f/0xa40 [ 6784.683482][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6784.683482][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6784.683482][ T1167] netlink_rcv_skb+0x130/0x360 [ 6784.683482][ T1167] netlink_unicast+0x449/0x710 [ 6784.683482][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6784.683482][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6784.683482][ T1167] ___sys_sendmsg+0xee/0x170 [ 6784.683482][ T1167] __sys_sendmsg+0xcd/0x170 [ 6784.683482][ T1167] do_syscall_64+0xc6/0x1e0 [ 6784.683482][ T1167] [ 6784.685913][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6784.685913][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6784.685913][ T1167] ipv6_find_idev+0x102/0x170 [ 6784.685913][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6784.685913][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6784.685913][ T1167] netlink_rcv_skb+0x130/0x360 [ 6784.685913][ T1167] netlink_unicast+0x449/0x710 [ 6784.685913][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6784.685913][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6784.685913][ T1167] ___sys_sendmsg+0xee/0x170 [ 6784.685913][ T1167] __sys_sendmsg+0xcd/0x170 [ 6784.685913][ T1167] do_syscall_64+0xc6/0x1e0 [ 6784.685913][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6784.685913][ T1167] [ 6784.687809][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6784.687809][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6784.687809][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6784.687809][ T1167] ipv6_find_idev+0x102/0x170 [ 6784.687809][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6784.687809][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6784.687809][ T1167] netlink_rcv_skb+0x130/0x360 [ 6784.687809][ T1167] netlink_unicast+0x449/0x710 [ 6784.687809][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6784.687809][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6784.687809][ T1167] ___sys_sendmsg+0xee/0x170 [ 6784.687809][ T1167] __sys_sendmsg+0xcd/0x170 [ 6784.687809][ T1167] do_syscall_64+0xc6/0x1e0 [ 6784.687809][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6784.687809][ T1167] [ 6787.729113][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6787.729540][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6787.729540][ T10] netdev_get_by_index+0x5e/0x80 [ 6787.729540][ T10] fib6_nh_init+0x3d8/0x1580 [ 6787.729540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6787.729540][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6787.729540][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6787.729540][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6787.729540][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6787.729540][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6787.729540][ T10] addrconf_dad_begin+0x310/0x670 [ 6787.729540][ T10] addrconf_dad_work+0x10b/0xab0 [ 6787.729540][ T10] process_one_work+0x84d/0x18a0 [ 6787.729540][ T10] worker_thread+0x587/0xd30 [ 6787.729540][ T10] kthread+0x28a/0x350 [ 6787.729540][ T10] ret_from_fork+0x31/0x70 [ 6787.729540][ T10] ret_from_fork_asm+0x1a/0x30 [ 6787.729540][ T10] [ 6787.731692][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6787.731692][ T10] netdev_get_by_index+0x5e/0x80 [ 6787.731692][ T10] fib6_nh_init+0x3d8/0x1580 [ 6787.731692][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6787.731692][ T10] ip6_route_add+0x1c/0x140 [ 6787.731692][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6787.731692][ T10] inet6_addr_add+0x4f8/0xa40 [ 6787.731692][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6787.731692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.731692][ T10] netlink_rcv_skb+0x130/0x360 [ 6787.731692][ T10] netlink_unicast+0x449/0x710 [ 6787.731692][ T10] netlink_sendmsg+0x723/0xbe0 [ 6787.731692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6787.731692][ T10] ___sys_sendmsg+0xee/0x170 [ 6787.731692][ T10] __sys_sendmsg+0xcd/0x170 [ 6787.731692][ T10] do_syscall_64+0xc6/0x1e0 [ 6787.731692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.731692][ T10] [ 6787.733944][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6787.733944][ T10] netdev_get_by_index+0x5e/0x80 [ 6787.733944][ T10] fib6_nh_init+0x3d8/0x1580 [ 6787.733944][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6787.733944][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6787.733944][ T10] ipv6_add_addr+0x411/0x2000 [ 6787.733944][ T10] inet6_addr_add+0x30e/0xa40 [ 6787.733944][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6787.733944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.733944][ T10] netlink_rcv_skb+0x130/0x360 [ 6787.733944][ T10] netlink_unicast+0x449/0x710 [ 6787.733944][ T10] netlink_sendmsg+0x723/0xbe0 [ 6787.733944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6787.733944][ T10] ___sys_sendmsg+0xee/0x170 [ 6787.733944][ T10] __sys_sendmsg+0xcd/0x170 [ 6787.733944][ T10] do_syscall_64+0xc6/0x1e0 [ 6787.733944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.733944][ T10] [ 6787.736183][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6787.736183][ T10] netdev_get_by_index+0x5e/0x80 [ 6787.736183][ T10] fib6_nh_init+0x3d8/0x1580 [ 6787.736183][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6787.736183][ T10] ip6_route_add+0x1c/0x140 [ 6787.736183][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6787.736183][ T10] addrconf_add_dev+0xe2/0x170 [ 6787.736183][ T10] inet6_addr_add+0x12f/0xa40 [ 6787.736183][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6787.736183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.736183][ T10] netlink_rcv_skb+0x130/0x360 [ 6787.736183][ T10] netlink_unicast+0x449/0x710 [ 6787.736183][ T10] netlink_sendmsg+0x723/0xbe0 [ 6787.736183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6787.736183][ T10] ___sys_sendmsg+0xee/0x170 [ 6787.736183][ T10] __sys_sendmsg+0xcd/0x170 [ 6787.736183][ T10] do_syscall_64+0xc6/0x1e0 [ 6787.736183][ T10] [ 6787.738378][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6787.738378][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6787.738378][ T10] ipv6_find_idev+0x102/0x170 [ 6787.738378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6787.738378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.738378][ T10] netlink_rcv_skb+0x130/0x360 [ 6787.738378][ T10] netlink_unicast+0x449/0x710 [ 6787.738378][ T10] netlink_sendmsg+0x723/0xbe0 [ 6787.738378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6787.738378][ T10] ___sys_sendmsg+0xee/0x170 [ 6787.738378][ T10] __sys_sendmsg+0xcd/0x170 [ 6787.738378][ T10] do_syscall_64+0xc6/0x1e0 [ 6787.738378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.738378][ T10] [ 6787.740103][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6787.740103][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6787.740103][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6787.740103][ T10] ipv6_find_idev+0x102/0x170 [ 6787.740103][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6787.740103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.740103][ T10] netlink_rcv_skb+0x130/0x360 [ 6787.740103][ T10] netlink_unicast+0x449/0x710 [ 6787.740103][ T10] netlink_sendmsg+0x723/0xbe0 [ 6787.740103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6787.740103][ T10] ___sys_sendmsg+0xee/0x170 [ 6787.740103][ T10] __sys_sendmsg+0xcd/0x170 [ 6787.740103][ T10] do_syscall_64+0xc6/0x1e0 [ 6787.740103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.740103][ T10] [ 6787.741980][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6787.742257][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6787.742257][ T10] netdev_get_by_index+0x5e/0x80 [ 6787.742257][ T10] fib6_nh_init+0x3d8/0x1580 [ 6787.742257][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6787.742257][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6787.742257][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6787.742257][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6787.742257][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6787.742257][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6787.742257][ T10] addrconf_dad_begin+0x310/0x670 [ 6787.742257][ T10] addrconf_dad_work+0x10b/0xab0 [ 6787.742257][ T10] process_one_work+0x84d/0x18a0 [ 6787.742257][ T10] worker_thread+0x587/0xd30 [ 6787.742257][ T10] kthread+0x28a/0x350 [ 6787.742257][ T10] ret_from_fork+0x31/0x70 [ 6787.742257][ T10] ret_from_fork_asm+0x1a/0x30 [ 6787.742257][ T10] [ 6787.744391][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6787.744391][ T10] netdev_get_by_index+0x5e/0x80 [ 6787.744391][ T10] fib6_nh_init+0x3d8/0x1580 [ 6787.744391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6787.744391][ T10] ip6_route_add+0x1c/0x140 [ 6787.744391][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6787.744391][ T10] inet6_addr_add+0x4f8/0xa40 [ 6787.744391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6787.744391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.744391][ T10] netlink_rcv_skb+0x130/0x360 [ 6787.744391][ T10] netlink_unicast+0x449/0x710 [ 6787.744391][ T10] netlink_sendmsg+0x723/0xbe0 [ 6787.744391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6787.744391][ T10] ___sys_sendmsg+0xee/0x170 [ 6787.744391][ T10] __sys_sendmsg+0xcd/0x170 [ 6787.744391][ T10] do_syscall_64+0xc6/0x1e0 [ 6787.744391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.744391][ T10] [ 6787.746629][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6787.746629][ T10] netdev_get_by_index+0x5e/0x80 [ 6787.746629][ T10] fib6_nh_init+0x3d8/0x1580 [ 6787.746629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6787.746629][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6787.746629][ T10] ipv6_add_addr+0x411/0x2000 [ 6787.746629][ T10] inet6_addr_add+0x30e/0xa40 [ 6787.746629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6787.746629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.746629][ T10] netlink_rcv_skb+0x130/0x360 [ 6787.746629][ T10] netlink_unicast+0x449/0x710 [ 6787.746629][ T10] netlink_sendmsg+0x723/0xbe0 [ 6787.746629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6787.746629][ T10] ___sys_sendmsg+0xee/0x170 [ 6787.746629][ T10] __sys_sendmsg+0xcd/0x170 [ 6787.746629][ T10] do_syscall_64+0xc6/0x1e0 [ 6787.746629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.746629][ T10] [ 6787.748855][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6787.748855][ T10] netdev_get_by_index+0x5e/0x80 [ 6787.748855][ T10] fib6_nh_init+0x3d8/0x1580 [ 6787.748855][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6787.748855][ T10] ip6_route_add+0x1c/0x140 [ 6787.748855][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6787.748855][ T10] addrconf_add_dev+0xe2/0x170 [ 6787.748855][ T10] inet6_addr_add+0x12f/0xa40 [ 6787.748855][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6787.748855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.748855][ T10] netlink_rcv_skb+0x130/0x360 [ 6787.748855][ T10] netlink_unicast+0x449/0x710 [ 6787.748855][ T10] netlink_sendmsg+0x723/0xbe0 [ 6787.748855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6787.748855][ T10] ___sys_sendmsg+0xee/0x170 [ 6787.748855][ T10] __sys_sendmsg+0xcd/0x170 [ 6787.748855][ T10] do_syscall_64+0xc6/0x1e0 [ 6787.748855][ T10] [ 6787.751025][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6787.751025][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6787.751025][ T10] ipv6_find_idev+0x102/0x170 [ 6787.751025][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6787.751025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.751025][ T10] netlink_rcv_skb+0x130/0x360 [ 6787.751025][ T10] netlink_unicast+0x449/0x710 [ 6787.751025][ T10] netlink_sendmsg+0x723/0xbe0 [ 6787.751025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6787.751025][ T10] ___sys_sendmsg+0xee/0x170 [ 6787.751025][ T10] __sys_sendmsg+0xcd/0x170 [ 6787.751025][ T10] do_syscall_64+0xc6/0x1e0 [ 6787.751025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.751025][ T10] [ 6787.752883][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6787.752883][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6787.752883][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6787.752883][ T10] ipv6_find_idev+0x102/0x170 [ 6787.752883][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6787.752883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.752883][ T10] netlink_rcv_skb+0x130/0x360 [ 6787.752883][ T10] netlink_unicast+0x449/0x710 [ 6787.752883][ T10] netlink_sendmsg+0x723/0xbe0 [ 6787.752883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6787.752883][ T10] ___sys_sendmsg+0xee/0x170 [ 6787.752883][ T10] __sys_sendmsg+0xcd/0x170 [ 6787.752883][ T10] do_syscall_64+0xc6/0x1e0 [ 6787.752883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.752883][ T10] [ 6787.754760][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6787.755018][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6787.755018][ T10] netdev_get_by_index+0x5e/0x80 [ 6787.755018][ T10] fib6_nh_init+0x3d8/0x1580 [ 6787.755018][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6787.755018][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6787.755018][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6787.755018][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6787.755018][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6787.755018][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6787.755018][ T10] addrconf_dad_begin+0x310/0x670 [ 6787.755018][ T10] addrconf_dad_work+0x10b/0xab0 [ 6787.755018][ T10] process_one_work+0x84d/0x18a0 [ 6787.755018][ T10] worker_thread+0x587/0xd30 [ 6787.755018][ T10] kthread+0x28a/0x350 [ 6787.755018][ T10] ret_from_fork+0x31/0x70 [ 6787.755018][ T10] ret_from_fork_asm+0x1a/0x30 [ 6787.755018][ T10] [ 6787.757161][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6787.757161][ T10] netdev_get_by_index+0x5e/0x80 [ 6787.757161][ T10] fib6_nh_init+0x3d8/0x1580 [ 6787.757161][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6787.757161][ T10] ip6_route_add+0x1c/0x140 [ 6787.757161][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6787.757161][ T10] inet6_addr_add+0x4f8/0xa40 [ 6787.757161][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6787.757161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.757161][ T10] netlink_rcv_skb+0x130/0x360 [ 6787.757161][ T10] netlink_unicast+0x449/0x710 [ 6787.757161][ T10] netlink_sendmsg+0x723/0xbe0 [ 6787.757161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6787.757161][ T10] ___sys_sendmsg+0xee/0x170 [ 6787.757161][ T10] __sys_sendmsg+0xcd/0x170 [ 6787.757161][ T10] do_syscall_64+0xc6/0x1e0 [ 6787.757161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.757161][ T10] [ 6787.759495][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6787.759495][ T10] netdev_get_by_index+0x5e/0x80 [ 6787.759495][ T10] fib6_nh_init+0x3d8/0x1580 [ 6787.759495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6787.759495][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6787.759495][ T10] ipv6_add_addr+0x411/0x2000 [ 6787.759495][ T10] inet6_addr_add+0x30e/0xa40 [ 6787.759495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6787.759495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.759495][ T10] netlink_rcv_skb+0x130/0x360 [ 6787.759495][ T10] netlink_unicast+0x449/0x710 [ 6787.759495][ T10] netlink_sendmsg+0x723/0xbe0 [ 6787.759495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6787.759495][ T10] ___sys_sendmsg+0xee/0x170 [ 6787.759495][ T10] __sys_sendmsg+0xcd/0x170 [ 6787.759495][ T10] do_syscall_64+0xc6/0x1e0 [ 6787.759495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.759495][ T10] [ 6787.761934][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6787.761934][ T10] netdev_get_by_index+0x5e/0x80 [ 6787.761934][ T10] fib6_nh_init+0x3d8/0x1580 [ 6787.761934][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6787.761934][ T10] ip6_route_add+0x1c/0x140 [ 6787.761934][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6787.761934][ T10] addrconf_add_dev+0xe2/0x170 [ 6787.761934][ T10] inet6_addr_add+0x12f/0xa40 [ 6787.761934][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6787.761934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.761934][ T10] netlink_rcv_skb+0x130/0x360 [ 6787.761934][ T10] netlink_unicast+0x449/0x710 [ 6787.761934][ T10] netlink_sendmsg+0x723/0xbe0 [ 6787.761934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6787.761934][ T10] ___sys_sendmsg+0xee/0x170 [ 6787.761934][ T10] __sys_sendmsg+0xcd/0x170 [ 6787.761934][ T10] do_syscall_64+0xc6/0x1e0 [ 6787.761934][ T10] [ 6787.764369][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6787.764369][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6787.764369][ T10] ipv6_find_idev+0x102/0x170 [ 6787.764369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6787.764369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.764369][ T10] netlink_rcv_skb+0x130/0x360 [ 6787.764369][ T10] netlink_unicast+0x449/0x710 [ 6787.764369][ T10] netlink_sendmsg+0x723/0xbe0 [ 6787.764369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6787.764369][ T10] ___sys_sendmsg+0xee/0x170 [ 6787.764369][ T10] __sys_sendmsg+0xcd/0x170 [ 6787.764369][ T10] do_syscall_64+0xc6/0x1e0 [ 6787.764369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.764369][ T10] [ 6787.766269][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6787.766269][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6787.766269][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6787.766269][ T10] ipv6_find_idev+0x102/0x170 [ 6787.766269][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6787.766269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.766269][ T10] netlink_rcv_skb+0x130/0x360 [ 6787.766269][ T10] netlink_unicast+0x449/0x710 [ 6787.766269][ T10] netlink_sendmsg+0x723/0xbe0 [ 6787.766269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6787.766269][ T10] ___sys_sendmsg+0xee/0x170 [ 6787.766269][ T10] __sys_sendmsg+0xcd/0x170 [ 6787.766269][ T10] do_syscall_64+0xc6/0x1e0 [ 6787.766269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.766269][ T10] [ 6787.768694][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6787.768952][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6787.768952][ T10] netdev_get_by_index+0x5e/0x80 [ 6787.768952][ T10] fib6_nh_init+0x3d8/0x1580 [ 6787.768952][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6787.768952][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6787.768952][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6787.768952][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6787.768952][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6787.768952][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6787.768952][ T10] addrconf_dad_begin+0x310/0x670 [ 6787.768952][ T10] addrconf_dad_work+0x10b/0xab0 [ 6787.768952][ T10] process_one_work+0x84d/0x18a0 [ 6787.768952][ T10] worker_thread+0x587/0xd30 [ 6787.768952][ T10] kthread+0x28a/0x350 [ 6787.768952][ T10] ret_from_fork+0x31/0x70 [ 6787.768952][ T10] ret_from_fork_asm+0x1a/0x30 [ 6787.768952][ T10] [ 6787.771079][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6787.771079][ T10] netdev_get_by_index+0x5e/0x80 [ 6787.771079][ T10] fib6_nh_init+0x3d8/0x1580 [ 6787.771079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6787.771079][ T10] ip6_route_add+0x1c/0x140 [ 6787.771079][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6787.771079][ T10] inet6_addr_add+0x4f8/0xa40 [ 6787.771079][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6787.771079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.771079][ T10] netlink_rcv_skb+0x130/0x360 [ 6787.771079][ T10] netlink_unicast+0x449/0x710 [ 6787.771079][ T10] netlink_sendmsg+0x723/0xbe0 [ 6787.771079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6787.771079][ T10] ___sys_sendmsg+0xee/0x170 [ 6787.771079][ T10] __sys_sendmsg+0xcd/0x170 [ 6787.771079][ T10] do_syscall_64+0xc6/0x1e0 [ 6787.771079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.771079][ T10] [ 6787.773425][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6787.773425][ T10] netdev_get_by_index+0x5e/0x80 [ 6787.773425][ T10] fib6_nh_init+0x3d8/0x1580 [ 6787.773425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6787.773425][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6787.773425][ T10] ipv6_add_addr+0x411/0x2000 [ 6787.773425][ T10] inet6_addr_add+0x30e/0xa40 [ 6787.773425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6787.773425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.773425][ T10] netlink_rcv_skb+0x130/0x360 [ 6787.773425][ T10] netlink_unicast+0x449/0x710 [ 6787.773425][ T10] netlink_sendmsg+0x723/0xbe0 [ 6787.773425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6787.773425][ T10] ___sys_sendmsg+0xee/0x170 [ 6787.773425][ T10] __sys_sendmsg+0xcd/0x170 [ 6787.773425][ T10] do_syscall_64+0xc6/0x1e0 [ 6787.773425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.773425][ T10] [ 6787.775966][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6787.775966][ T10] netdev_get_by_index+0x5e/0x80 [ 6787.775966][ T10] fib6_nh_init+0x3d8/0x1580 [ 6787.775966][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6787.775966][ T10] ip6_route_add+0x1c/0x140 [ 6787.775966][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6787.775966][ T10] addrconf_add_dev+0xe2/0x170 [ 6787.775966][ T10] inet6_addr_add+0x12f/0xa40 [ 6787.775966][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6787.775966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.775966][ T10] netlink_rcv_skb+0x130/0x360 [ 6787.775966][ T10] netlink_unicast+0x449/0x710 [ 6787.775966][ T10] netlink_sendmsg+0x723/0xbe0 [ 6787.775966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6787.775966][ T10] ___sys_sendmsg+0xee/0x170 [ 6787.775966][ T10] __sys_sendmsg+0xcd/0x170 [ 6787.775966][ T10] do_syscall_64+0xc6/0x1e0 [ 6787.775966][ T10] [ 6787.778388][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6787.778388][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6787.778388][ T10] ipv6_find_idev+0x102/0x170 [ 6787.778388][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6787.778388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.778388][ T10] netlink_rcv_skb+0x130/0x360 [ 6787.778388][ T10] netlink_unicast+0x449/0x710 [ 6787.778388][ T10] netlink_sendmsg+0x723/0xbe0 [ 6787.778388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6787.778388][ T10] ___sys_sendmsg+0xee/0x170 [ 6787.778388][ T10] __sys_sendmsg+0xcd/0x170 [ 6787.778388][ T10] do_syscall_64+0xc6/0x1e0 [ 6787.778388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.778388][ T10] [ 6787.780272][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6787.780272][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6787.780272][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6787.780272][ T10] ipv6_find_idev+0x102/0x170 [ 6787.780272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6787.780272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6787.780272][ T10] netlink_rcv_skb+0x130/0x360 [ 6787.780272][ T10] netlink_unicast+0x449/0x710 [ 6787.780272][ T10] netlink_sendmsg+0x723/0xbe0 [ 6787.780272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6787.780272][ T10] ___sys_sendmsg+0xee/0x170 [ 6787.780272][ T10] __sys_sendmsg+0xcd/0x170 [ 6787.780272][ T10] do_syscall_64+0xc6/0x1e0 [ 6787.780272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6787.780272][ T10] [ 6794.929110][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6794.929598][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6794.929598][ T1167] dst_init+0x84/0x4a0 [ 6794.929598][ T1167] dst_alloc+0x97/0x150 [ 6794.929598][ T1167] ip6_dst_alloc+0x23/0x90 [ 6794.929598][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6794.929598][ T1167] ip6_pol_route+0x56f/0x840 [ 6794.929598][ T1167] fib6_rule_lookup+0x334/0x630 [ 6794.929598][ T1167] ip6_route_output_flags+0x259/0x480 [ 6794.929598][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6794.929598][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6794.929598][ T1167] netlink_rcv_skb+0x130/0x360 [ 6794.929598][ T1167] netlink_unicast+0x449/0x710 [ 6794.929598][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6794.929598][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6794.929598][ T1167] ___sys_sendmsg+0xee/0x170 [ 6794.929598][ T1167] __sys_sendmsg+0xcd/0x170 [ 6794.929598][ T1167] do_syscall_64+0xc6/0x1e0 [ 6794.929598][ T1167] [ 6794.932029][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6794.932029][ T1167] netdev_get_by_index+0x5e/0x80 [ 6794.932029][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6794.932029][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6794.932029][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6794.932029][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6794.932029][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6794.932029][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6794.932029][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6794.932029][ T1167] addrconf_dad_begin+0x310/0x670 [ 6794.932029][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6794.932029][ T1167] process_one_work+0x84d/0x18a0 [ 6794.932029][ T1167] worker_thread+0x587/0xd30 [ 6794.932029][ T1167] kthread+0x28a/0x350 [ 6794.932029][ T1167] ret_from_fork+0x31/0x70 [ 6794.932029][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6794.932029][ T1167] [ 6794.934396][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6794.934396][ T1167] netdev_get_by_index+0x5e/0x80 [ 6794.934396][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6794.934396][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6794.934396][ T1167] ip6_route_add+0x1c/0x140 [ 6794.934396][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6794.934396][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6794.934396][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6794.934396][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6794.934396][ T1167] netlink_rcv_skb+0x130/0x360 [ 6794.934396][ T1167] netlink_unicast+0x449/0x710 [ 6794.934396][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6794.934396][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6794.934396][ T1167] ___sys_sendmsg+0xee/0x170 [ 6794.934396][ T1167] __sys_sendmsg+0xcd/0x170 [ 6794.934396][ T1167] do_syscall_64+0xc6/0x1e0 [ 6794.934396][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6794.934396][ T1167] [ 6794.936864][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6794.936864][ T1167] netdev_get_by_index+0x5e/0x80 [ 6794.936864][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6794.936864][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6794.936864][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6794.936864][ T1167] ipv6_add_addr+0x411/0x2000 [ 6794.936864][ T1167] inet6_addr_add+0x30e/0xa40 [ 6794.936864][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6794.936864][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6794.936864][ T1167] netlink_rcv_skb+0x130/0x360 [ 6794.936864][ T1167] netlink_unicast+0x449/0x710 [ 6794.936864][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6794.936864][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6794.936864][ T1167] ___sys_sendmsg+0xee/0x170 [ 6794.936864][ T1167] __sys_sendmsg+0xcd/0x170 [ 6794.936864][ T1167] do_syscall_64+0xc6/0x1e0 [ 6794.936864][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6794.936864][ T1167] [ 6794.939318][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6794.939318][ T1167] netdev_get_by_index+0x5e/0x80 [ 6794.939318][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6794.939318][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6794.939318][ T1167] ip6_route_add+0x1c/0x140 [ 6794.939318][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6794.939318][ T1167] addrconf_add_dev+0xe2/0x170 [ 6794.939318][ T1167] inet6_addr_add+0x12f/0xa40 [ 6794.939318][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6794.939318][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6794.939318][ T1167] netlink_rcv_skb+0x130/0x360 [ 6794.939318][ T1167] netlink_unicast+0x449/0x710 [ 6794.939318][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6794.939318][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6794.939318][ T1167] ___sys_sendmsg+0xee/0x170 [ 6794.939318][ T1167] __sys_sendmsg+0xcd/0x170 [ 6794.939318][ T1167] do_syscall_64+0xc6/0x1e0 [ 6794.939318][ T1167] [ 6794.941750][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6794.941750][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6794.941750][ T1167] ipv6_find_idev+0x102/0x170 [ 6794.941750][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6794.941750][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6794.941750][ T1167] netlink_rcv_skb+0x130/0x360 [ 6794.941750][ T1167] netlink_unicast+0x449/0x710 [ 6794.941750][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6794.941750][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6794.941750][ T1167] ___sys_sendmsg+0xee/0x170 [ 6794.941750][ T1167] __sys_sendmsg+0xcd/0x170 [ 6794.941750][ T1167] do_syscall_64+0xc6/0x1e0 [ 6794.941750][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6794.941750][ T1167] [ 6794.943645][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6794.943645][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6794.943645][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6794.943645][ T1167] ipv6_find_idev+0x102/0x170 [ 6794.943645][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6794.943645][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6794.943645][ T1167] netlink_rcv_skb+0x130/0x360 [ 6794.943645][ T1167] netlink_unicast+0x449/0x710 [ 6794.943645][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6794.943645][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6794.943645][ T1167] ___sys_sendmsg+0xee/0x170 [ 6794.943645][ T1167] __sys_sendmsg+0xcd/0x170 [ 6794.943645][ T1167] do_syscall_64+0xc6/0x1e0 [ 6794.943645][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6794.943645][ T1167] [ 6797.881111][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6797.881574][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6797.881574][ T10] netdev_get_by_index+0x5e/0x80 [ 6797.881574][ T10] fib6_nh_init+0x3d8/0x1580 [ 6797.881574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6797.881574][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6797.881574][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6797.881574][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6797.881574][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6797.881574][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6797.881574][ T10] addrconf_dad_begin+0x310/0x670 [ 6797.881574][ T10] addrconf_dad_work+0x10b/0xab0 [ 6797.881574][ T10] process_one_work+0x84d/0x18a0 [ 6797.881574][ T10] worker_thread+0x587/0xd30 [ 6797.881574][ T10] kthread+0x28a/0x350 [ 6797.881574][ T10] ret_from_fork+0x31/0x70 [ 6797.881574][ T10] ret_from_fork_asm+0x1a/0x30 [ 6797.881574][ T10] [ 6797.883535][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6797.883535][ T10] netdev_get_by_index+0x5e/0x80 [ 6797.883535][ T10] fib6_nh_init+0x3d8/0x1580 [ 6797.883535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6797.883535][ T10] ip6_route_add+0x1c/0x140 [ 6797.883535][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6797.883535][ T10] inet6_addr_add+0x4f8/0xa40 [ 6797.883535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6797.883535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.883535][ T10] netlink_rcv_skb+0x130/0x360 [ 6797.883535][ T10] netlink_unicast+0x449/0x710 [ 6797.883535][ T10] netlink_sendmsg+0x723/0xbe0 [ 6797.883535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6797.883535][ T10] ___sys_sendmsg+0xee/0x170 [ 6797.883535][ T10] __sys_sendmsg+0xcd/0x170 [ 6797.883535][ T10] do_syscall_64+0xc6/0x1e0 [ 6797.883535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.883535][ T10] [ 6797.885552][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6797.885552][ T10] netdev_get_by_index+0x5e/0x80 [ 6797.885552][ T10] fib6_nh_init+0x3d8/0x1580 [ 6797.885552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6797.885552][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6797.885552][ T10] ipv6_add_addr+0x411/0x2000 [ 6797.885552][ T10] inet6_addr_add+0x30e/0xa40 [ 6797.885552][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6797.885552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.885552][ T10] netlink_rcv_skb+0x130/0x360 [ 6797.885552][ T10] netlink_unicast+0x449/0x710 [ 6797.885552][ T10] netlink_sendmsg+0x723/0xbe0 [ 6797.885552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6797.885552][ T10] ___sys_sendmsg+0xee/0x170 [ 6797.885552][ T10] __sys_sendmsg+0xcd/0x170 [ 6797.885552][ T10] do_syscall_64+0xc6/0x1e0 [ 6797.885552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.885552][ T10] [ 6797.887572][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6797.887572][ T10] netdev_get_by_index+0x5e/0x80 [ 6797.887572][ T10] fib6_nh_init+0x3d8/0x1580 [ 6797.887572][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6797.887572][ T10] ip6_route_add+0x1c/0x140 [ 6797.887572][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6797.887572][ T10] addrconf_add_dev+0xe2/0x170 [ 6797.887572][ T10] inet6_addr_add+0x12f/0xa40 [ 6797.887572][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6797.887572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.887572][ T10] netlink_rcv_skb+0x130/0x360 [ 6797.887572][ T10] netlink_unicast+0x449/0x710 [ 6797.887572][ T10] netlink_sendmsg+0x723/0xbe0 [ 6797.887572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6797.887572][ T10] ___sys_sendmsg+0xee/0x170 [ 6797.887572][ T10] __sys_sendmsg+0xcd/0x170 [ 6797.887572][ T10] do_syscall_64+0xc6/0x1e0 [ 6797.887572][ T10] [ 6797.889565][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6797.889565][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6797.889565][ T10] ipv6_find_idev+0x102/0x170 [ 6797.889565][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6797.889565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.889565][ T10] netlink_rcv_skb+0x130/0x360 [ 6797.889565][ T10] netlink_unicast+0x449/0x710 [ 6797.889565][ T10] netlink_sendmsg+0x723/0xbe0 [ 6797.889565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6797.889565][ T10] ___sys_sendmsg+0xee/0x170 [ 6797.889565][ T10] __sys_sendmsg+0xcd/0x170 [ 6797.889565][ T10] do_syscall_64+0xc6/0x1e0 [ 6797.889565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.889565][ T10] [ 6797.891115][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6797.891115][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6797.891115][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6797.891115][ T10] ipv6_find_idev+0x102/0x170 [ 6797.891115][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6797.891115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.891115][ T10] netlink_rcv_skb+0x130/0x360 [ 6797.891115][ T10] netlink_unicast+0x449/0x710 [ 6797.891115][ T10] netlink_sendmsg+0x723/0xbe0 [ 6797.891115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6797.891115][ T10] ___sys_sendmsg+0xee/0x170 [ 6797.891115][ T10] __sys_sendmsg+0xcd/0x170 [ 6797.891115][ T10] do_syscall_64+0xc6/0x1e0 [ 6797.891115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.891115][ T10] [ 6797.892831][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6797.893088][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6797.893088][ T10] netdev_get_by_index+0x5e/0x80 [ 6797.893088][ T10] fib6_nh_init+0x3d8/0x1580 [ 6797.893088][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6797.893088][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6797.893088][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6797.893088][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6797.893088][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6797.893088][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6797.893088][ T10] addrconf_dad_begin+0x310/0x670 [ 6797.893088][ T10] addrconf_dad_work+0x10b/0xab0 [ 6797.893088][ T10] process_one_work+0x84d/0x18a0 [ 6797.893088][ T10] worker_thread+0x587/0xd30 [ 6797.893088][ T10] kthread+0x28a/0x350 [ 6797.893088][ T10] ret_from_fork+0x31/0x70 [ 6797.893088][ T10] ret_from_fork_asm+0x1a/0x30 [ 6797.893088][ T10] [ 6797.895008][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6797.895008][ T10] netdev_get_by_index+0x5e/0x80 [ 6797.895008][ T10] fib6_nh_init+0x3d8/0x1580 [ 6797.895008][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6797.895008][ T10] ip6_route_add+0x1c/0x140 [ 6797.895008][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6797.895008][ T10] inet6_addr_add+0x4f8/0xa40 [ 6797.895008][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6797.895008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.895008][ T10] netlink_rcv_skb+0x130/0x360 [ 6797.895008][ T10] netlink_unicast+0x449/0x710 [ 6797.895008][ T10] netlink_sendmsg+0x723/0xbe0 [ 6797.895008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6797.895008][ T10] ___sys_sendmsg+0xee/0x170 [ 6797.895008][ T10] __sys_sendmsg+0xcd/0x170 [ 6797.895008][ T10] do_syscall_64+0xc6/0x1e0 [ 6797.895008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.895008][ T10] [ 6797.897013][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6797.897013][ T10] netdev_get_by_index+0x5e/0x80 [ 6797.897013][ T10] fib6_nh_init+0x3d8/0x1580 [ 6797.897013][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6797.897013][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6797.897013][ T10] ipv6_add_addr+0x411/0x2000 [ 6797.897013][ T10] inet6_addr_add+0x30e/0xa40 [ 6797.897013][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6797.897013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.897013][ T10] netlink_rcv_skb+0x130/0x360 [ 6797.897013][ T10] netlink_unicast+0x449/0x710 [ 6797.897013][ T10] netlink_sendmsg+0x723/0xbe0 [ 6797.897013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6797.897013][ T10] ___sys_sendmsg+0xee/0x170 [ 6797.897013][ T10] __sys_sendmsg+0xcd/0x170 [ 6797.897013][ T10] do_syscall_64+0xc6/0x1e0 [ 6797.897013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.897013][ T10] [ 6797.899018][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6797.899018][ T10] netdev_get_by_index+0x5e/0x80 [ 6797.899018][ T10] fib6_nh_init+0x3d8/0x1580 [ 6797.899018][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6797.899018][ T10] ip6_route_add+0x1c/0x140 [ 6797.899018][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6797.899018][ T10] addrconf_add_dev+0xe2/0x170 [ 6797.899018][ T10] inet6_addr_add+0x12f/0xa40 [ 6797.899018][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6797.899018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.899018][ T10] netlink_rcv_skb+0x130/0x360 [ 6797.899018][ T10] netlink_unicast+0x449/0x710 [ 6797.899018][ T10] netlink_sendmsg+0x723/0xbe0 [ 6797.899018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6797.899018][ T10] ___sys_sendmsg+0xee/0x170 [ 6797.899018][ T10] __sys_sendmsg+0xcd/0x170 [ 6797.899018][ T10] do_syscall_64+0xc6/0x1e0 [ 6797.899018][ T10] [ 6797.900983][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6797.900983][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6797.900983][ T10] ipv6_find_idev+0x102/0x170 [ 6797.900983][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6797.900983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.900983][ T10] netlink_rcv_skb+0x130/0x360 [ 6797.900983][ T10] netlink_unicast+0x449/0x710 [ 6797.900983][ T10] netlink_sendmsg+0x723/0xbe0 [ 6797.900983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6797.900983][ T10] ___sys_sendmsg+0xee/0x170 [ 6797.900983][ T10] __sys_sendmsg+0xcd/0x170 [ 6797.900983][ T10] do_syscall_64+0xc6/0x1e0 [ 6797.900983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.900983][ T10] [ 6797.902526][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6797.902526][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6797.902526][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6797.902526][ T10] ipv6_find_idev+0x102/0x170 [ 6797.902526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6797.902526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.902526][ T10] netlink_rcv_skb+0x130/0x360 [ 6797.902526][ T10] netlink_unicast+0x449/0x710 [ 6797.902526][ T10] netlink_sendmsg+0x723/0xbe0 [ 6797.902526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6797.902526][ T10] ___sys_sendmsg+0xee/0x170 [ 6797.902526][ T10] __sys_sendmsg+0xcd/0x170 [ 6797.902526][ T10] do_syscall_64+0xc6/0x1e0 [ 6797.902526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.902526][ T10] [ 6797.904234][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6797.904487][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6797.904487][ T10] netdev_get_by_index+0x5e/0x80 [ 6797.904487][ T10] fib6_nh_init+0x3d8/0x1580 [ 6797.904487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6797.904487][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6797.904487][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6797.904487][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6797.904487][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6797.904487][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6797.904487][ T10] addrconf_dad_begin+0x310/0x670 [ 6797.904487][ T10] addrconf_dad_work+0x10b/0xab0 [ 6797.904487][ T10] process_one_work+0x84d/0x18a0 [ 6797.904487][ T10] worker_thread+0x587/0xd30 [ 6797.904487][ T10] kthread+0x28a/0x350 [ 6797.904487][ T10] ret_from_fork+0x31/0x70 [ 6797.904487][ T10] ret_from_fork_asm+0x1a/0x30 [ 6797.904487][ T10] [ 6797.906427][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6797.906427][ T10] netdev_get_by_index+0x5e/0x80 [ 6797.906427][ T10] fib6_nh_init+0x3d8/0x1580 [ 6797.906427][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6797.906427][ T10] ip6_route_add+0x1c/0x140 [ 6797.906427][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6797.906427][ T10] inet6_addr_add+0x4f8/0xa40 [ 6797.906427][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6797.906427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.906427][ T10] netlink_rcv_skb+0x130/0x360 [ 6797.906427][ T10] netlink_unicast+0x449/0x710 [ 6797.906427][ T10] netlink_sendmsg+0x723/0xbe0 [ 6797.906427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6797.906427][ T10] ___sys_sendmsg+0xee/0x170 [ 6797.906427][ T10] __sys_sendmsg+0xcd/0x170 [ 6797.906427][ T10] do_syscall_64+0xc6/0x1e0 [ 6797.906427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.906427][ T10] [ 6797.908618][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6797.908618][ T10] netdev_get_by_index+0x5e/0x80 [ 6797.908618][ T10] fib6_nh_init+0x3d8/0x1580 [ 6797.908618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6797.908618][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6797.908618][ T10] ipv6_add_addr+0x411/0x2000 [ 6797.908618][ T10] inet6_addr_add+0x30e/0xa40 [ 6797.908618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6797.908618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.908618][ T10] netlink_rcv_skb+0x130/0x360 [ 6797.908618][ T10] netlink_unicast+0x449/0x710 [ 6797.908618][ T10] netlink_sendmsg+0x723/0xbe0 [ 6797.908618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6797.908618][ T10] ___sys_sendmsg+0xee/0x170 [ 6797.908618][ T10] __sys_sendmsg+0xcd/0x170 [ 6797.908618][ T10] do_syscall_64+0xc6/0x1e0 [ 6797.908618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.908618][ T10] [ 6797.910873][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6797.910873][ T10] netdev_get_by_index+0x5e/0x80 [ 6797.910873][ T10] fib6_nh_init+0x3d8/0x1580 [ 6797.910873][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6797.910873][ T10] ip6_route_add+0x1c/0x140 [ 6797.910873][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6797.910873][ T10] addrconf_add_dev+0xe2/0x170 [ 6797.910873][ T10] inet6_addr_add+0x12f/0xa40 [ 6797.910873][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6797.910873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.910873][ T10] netlink_rcv_skb+0x130/0x360 [ 6797.910873][ T10] netlink_unicast+0x449/0x710 [ 6797.910873][ T10] netlink_sendmsg+0x723/0xbe0 [ 6797.910873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6797.910873][ T10] ___sys_sendmsg+0xee/0x170 [ 6797.910873][ T10] __sys_sendmsg+0xcd/0x170 [ 6797.910873][ T10] do_syscall_64+0xc6/0x1e0 [ 6797.910873][ T10] [ 6797.913086][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6797.913086][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6797.913086][ T10] ipv6_find_idev+0x102/0x170 [ 6797.913086][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6797.913086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.913086][ T10] netlink_rcv_skb+0x130/0x360 [ 6797.913086][ T10] netlink_unicast+0x449/0x710 [ 6797.913086][ T10] netlink_sendmsg+0x723/0xbe0 [ 6797.913086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6797.913086][ T10] ___sys_sendmsg+0xee/0x170 [ 6797.913086][ T10] __sys_sendmsg+0xcd/0x170 [ 6797.913086][ T10] do_syscall_64+0xc6/0x1e0 [ 6797.913086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.913086][ T10] [ 6797.914812][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6797.914812][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6797.914812][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6797.914812][ T10] ipv6_find_idev+0x102/0x170 [ 6797.914812][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6797.914812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.914812][ T10] netlink_rcv_skb+0x130/0x360 [ 6797.914812][ T10] netlink_unicast+0x449/0x710 [ 6797.914812][ T10] netlink_sendmsg+0x723/0xbe0 [ 6797.914812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6797.914812][ T10] ___sys_sendmsg+0xee/0x170 [ 6797.914812][ T10] __sys_sendmsg+0xcd/0x170 [ 6797.914812][ T10] do_syscall_64+0xc6/0x1e0 [ 6797.914812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.914812][ T10] [ 6797.916703][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6797.916947][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6797.916947][ T10] netdev_get_by_index+0x5e/0x80 [ 6797.916947][ T10] fib6_nh_init+0x3d8/0x1580 [ 6797.916947][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6797.916947][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6797.916947][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6797.916947][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6797.916947][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6797.916947][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6797.916947][ T10] addrconf_dad_begin+0x310/0x670 [ 6797.916947][ T10] addrconf_dad_work+0x10b/0xab0 [ 6797.916947][ T10] process_one_work+0x84d/0x18a0 [ 6797.916947][ T10] worker_thread+0x587/0xd30 [ 6797.916947][ T10] kthread+0x28a/0x350 [ 6797.916947][ T10] ret_from_fork+0x31/0x70 [ 6797.916947][ T10] ret_from_fork_asm+0x1a/0x30 [ 6797.916947][ T10] [ 6797.919171][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6797.919171][ T10] netdev_get_by_index+0x5e/0x80 [ 6797.919171][ T10] fib6_nh_init+0x3d8/0x1580 [ 6797.919171][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6797.919171][ T10] ip6_route_add+0x1c/0x140 [ 6797.919171][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6797.919171][ T10] inet6_addr_add+0x4f8/0xa40 [ 6797.919171][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6797.919171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.919171][ T10] netlink_rcv_skb+0x130/0x360 [ 6797.919171][ T10] netlink_unicast+0x449/0x710 [ 6797.919171][ T10] netlink_sendmsg+0x723/0xbe0 [ 6797.919171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6797.919171][ T10] ___sys_sendmsg+0xee/0x170 [ 6797.919171][ T10] __sys_sendmsg+0xcd/0x170 [ 6797.919171][ T10] do_syscall_64+0xc6/0x1e0 [ 6797.919171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.919171][ T10] [ 6797.921420][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6797.921420][ T10] netdev_get_by_index+0x5e/0x80 [ 6797.921420][ T10] fib6_nh_init+0x3d8/0x1580 [ 6797.921420][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6797.921420][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6797.921420][ T10] ipv6_add_addr+0x411/0x2000 [ 6797.921420][ T10] inet6_addr_add+0x30e/0xa40 [ 6797.921420][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6797.921420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.921420][ T10] netlink_rcv_skb+0x130/0x360 [ 6797.921420][ T10] netlink_unicast+0x449/0x710 [ 6797.921420][ T10] netlink_sendmsg+0x723/0xbe0 [ 6797.921420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6797.921420][ T10] ___sys_sendmsg+0xee/0x170 [ 6797.921420][ T10] __sys_sendmsg+0xcd/0x170 [ 6797.921420][ T10] do_syscall_64+0xc6/0x1e0 [ 6797.921420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.921420][ T10] [ 6797.923603][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6797.923603][ T10] netdev_get_by_index+0x5e/0x80 [ 6797.923603][ T10] fib6_nh_init+0x3d8/0x1580 [ 6797.923603][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6797.923603][ T10] ip6_route_add+0x1c/0x140 [ 6797.923603][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6797.923603][ T10] addrconf_add_dev+0xe2/0x170 [ 6797.923603][ T10] inet6_addr_add+0x12f/0xa40 [ 6797.923603][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6797.923603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.923603][ T10] netlink_rcv_skb+0x130/0x360 [ 6797.923603][ T10] netlink_unicast+0x449/0x710 [ 6797.923603][ T10] netlink_sendmsg+0x723/0xbe0 [ 6797.923603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6797.923603][ T10] ___sys_sendmsg+0xee/0x170 [ 6797.923603][ T10] __sys_sendmsg+0xcd/0x170 [ 6797.923603][ T10] do_syscall_64+0xc6/0x1e0 [ 6797.923603][ T10] [ 6797.925814][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6797.925814][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6797.925814][ T10] ipv6_find_idev+0x102/0x170 [ 6797.925814][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6797.925814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.925814][ T10] netlink_rcv_skb+0x130/0x360 [ 6797.925814][ T10] netlink_unicast+0x449/0x710 [ 6797.925814][ T10] netlink_sendmsg+0x723/0xbe0 [ 6797.925814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6797.925814][ T10] ___sys_sendmsg+0xee/0x170 [ 6797.925814][ T10] __sys_sendmsg+0xcd/0x170 [ 6797.925814][ T10] do_syscall_64+0xc6/0x1e0 [ 6797.925814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.925814][ T10] [ 6797.927606][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6797.927606][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6797.927606][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6797.927606][ T10] ipv6_find_idev+0x102/0x170 [ 6797.927606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6797.927606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6797.927606][ T10] netlink_rcv_skb+0x130/0x360 [ 6797.927606][ T10] netlink_unicast+0x449/0x710 [ 6797.927606][ T10] netlink_sendmsg+0x723/0xbe0 [ 6797.927606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6797.927606][ T10] ___sys_sendmsg+0xee/0x170 [ 6797.927606][ T10] __sys_sendmsg+0xcd/0x170 [ 6797.927606][ T10] do_syscall_64+0xc6/0x1e0 [ 6797.927606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6797.927606][ T10] [ 6805.049103][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6805.049634][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6805.049634][ T1167] dst_init+0x84/0x4a0 [ 6805.049634][ T1167] dst_alloc+0x97/0x150 [ 6805.049634][ T1167] ip6_dst_alloc+0x23/0x90 [ 6805.049634][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6805.049634][ T1167] ip6_pol_route+0x56f/0x840 [ 6805.049634][ T1167] fib6_rule_lookup+0x334/0x630 [ 6805.049634][ T1167] ip6_route_output_flags+0x259/0x480 [ 6805.049634][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6805.049634][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6805.049634][ T1167] netlink_rcv_skb+0x130/0x360 [ 6805.049634][ T1167] netlink_unicast+0x449/0x710 [ 6805.049634][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6805.049634][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6805.049634][ T1167] ___sys_sendmsg+0xee/0x170 [ 6805.049634][ T1167] __sys_sendmsg+0xcd/0x170 [ 6805.049634][ T1167] do_syscall_64+0xc6/0x1e0 [ 6805.049634][ T1167] [ 6805.051826][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6805.051826][ T1167] netdev_get_by_index+0x5e/0x80 [ 6805.051826][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6805.051826][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6805.051826][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6805.051826][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6805.051826][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6805.051826][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6805.051826][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6805.051826][ T1167] addrconf_dad_begin+0x310/0x670 [ 6805.051826][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6805.051826][ T1167] process_one_work+0x84d/0x18a0 [ 6805.051826][ T1167] worker_thread+0x587/0xd30 [ 6805.051826][ T1167] kthread+0x28a/0x350 [ 6805.051826][ T1167] ret_from_fork+0x31/0x70 [ 6805.051826][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6805.051826][ T1167] [ 6805.053971][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6805.053971][ T1167] netdev_get_by_index+0x5e/0x80 [ 6805.053971][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6805.053971][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6805.053971][ T1167] ip6_route_add+0x1c/0x140 [ 6805.053971][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6805.053971][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6805.053971][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6805.053971][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6805.053971][ T1167] netlink_rcv_skb+0x130/0x360 [ 6805.053971][ T1167] netlink_unicast+0x449/0x710 [ 6805.053971][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6805.053971][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6805.053971][ T1167] ___sys_sendmsg+0xee/0x170 [ 6805.053971][ T1167] __sys_sendmsg+0xcd/0x170 [ 6805.053971][ T1167] do_syscall_64+0xc6/0x1e0 [ 6805.053971][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6805.053971][ T1167] [ 6805.056238][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6805.056238][ T1167] netdev_get_by_index+0x5e/0x80 [ 6805.056238][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6805.056238][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6805.056238][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6805.056238][ T1167] ipv6_add_addr+0x411/0x2000 [ 6805.056238][ T1167] inet6_addr_add+0x30e/0xa40 [ 6805.056238][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6805.056238][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6805.056238][ T1167] netlink_rcv_skb+0x130/0x360 [ 6805.056238][ T1167] netlink_unicast+0x449/0x710 [ 6805.056238][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6805.056238][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6805.056238][ T1167] ___sys_sendmsg+0xee/0x170 [ 6805.056238][ T1167] __sys_sendmsg+0xcd/0x170 [ 6805.056238][ T1167] do_syscall_64+0xc6/0x1e0 [ 6805.056238][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6805.056238][ T1167] [ 6805.058480][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6805.058480][ T1167] netdev_get_by_index+0x5e/0x80 [ 6805.058480][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6805.058480][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6805.058480][ T1167] ip6_route_add+0x1c/0x140 [ 6805.058480][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6805.058480][ T1167] addrconf_add_dev+0xe2/0x170 [ 6805.058480][ T1167] inet6_addr_add+0x12f/0xa40 [ 6805.058480][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6805.058480][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6805.058480][ T1167] netlink_rcv_skb+0x130/0x360 [ 6805.058480][ T1167] netlink_unicast+0x449/0x710 [ 6805.058480][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6805.058480][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6805.058480][ T1167] ___sys_sendmsg+0xee/0x170 [ 6805.058480][ T1167] __sys_sendmsg+0xcd/0x170 [ 6805.058480][ T1167] do_syscall_64+0xc6/0x1e0 [ 6805.058480][ T1167] [ 6805.060671][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6805.060671][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6805.060671][ T1167] ipv6_find_idev+0x102/0x170 [ 6805.060671][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6805.060671][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6805.060671][ T1167] netlink_rcv_skb+0x130/0x360 [ 6805.060671][ T1167] netlink_unicast+0x449/0x710 [ 6805.060671][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6805.060671][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6805.060671][ T1167] ___sys_sendmsg+0xee/0x170 [ 6805.060671][ T1167] __sys_sendmsg+0xcd/0x170 [ 6805.060671][ T1167] do_syscall_64+0xc6/0x1e0 [ 6805.060671][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6805.060671][ T1167] [ 6805.062396][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6805.062396][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6805.062396][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6805.062396][ T1167] ipv6_find_idev+0x102/0x170 [ 6805.062396][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6805.062396][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6805.062396][ T1167] netlink_rcv_skb+0x130/0x360 [ 6805.062396][ T1167] netlink_unicast+0x449/0x710 [ 6805.062396][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6805.062396][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6805.062396][ T1167] ___sys_sendmsg+0xee/0x170 [ 6805.062396][ T1167] __sys_sendmsg+0xcd/0x170 [ 6805.062396][ T1167] do_syscall_64+0xc6/0x1e0 [ 6805.062396][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6805.062396][ T1167] [ 6808.169113][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6808.169575][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6808.169575][ T10] netdev_get_by_index+0x5e/0x80 [ 6808.169575][ T10] fib6_nh_init+0x3d8/0x1580 [ 6808.169575][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6808.169575][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6808.169575][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6808.169575][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6808.169575][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6808.169575][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6808.169575][ T10] addrconf_dad_begin+0x310/0x670 [ 6808.169575][ T10] addrconf_dad_work+0x10b/0xab0 [ 6808.169575][ T10] process_one_work+0x84d/0x18a0 [ 6808.169575][ T10] worker_thread+0x587/0xd30 [ 6808.169575][ T10] kthread+0x28a/0x350 [ 6808.169575][ T10] ret_from_fork+0x31/0x70 [ 6808.169575][ T10] ret_from_fork_asm+0x1a/0x30 [ 6808.169575][ T10] [ 6808.171550][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6808.171550][ T10] netdev_get_by_index+0x5e/0x80 [ 6808.171550][ T10] fib6_nh_init+0x3d8/0x1580 [ 6808.171550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6808.171550][ T10] ip6_route_add+0x1c/0x140 [ 6808.171550][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6808.171550][ T10] inet6_addr_add+0x4f8/0xa40 [ 6808.171550][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6808.171550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6808.171550][ T10] netlink_rcv_skb+0x130/0x360 [ 6808.171550][ T10] netlink_unicast+0x449/0x710 [ 6808.171550][ T10] netlink_sendmsg+0x723/0xbe0 [ 6808.171550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6808.171550][ T10] ___sys_sendmsg+0xee/0x170 [ 6808.171550][ T10] __sys_sendmsg+0xcd/0x170 [ 6808.171550][ T10] do_syscall_64+0xc6/0x1e0 [ 6808.171550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6808.171550][ T10] [ 6808.173572][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6808.173572][ T10] netdev_get_by_index+0x5e/0x80 [ 6808.173572][ T10] fib6_nh_init+0x3d8/0x1580 [ 6808.173572][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6808.173572][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6808.173572][ T10] ipv6_add_addr+0x411/0x2000 [ 6808.173572][ T10] inet6_addr_add+0x30e/0xa40 [ 6808.173572][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6808.173572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6808.173572][ T10] netlink_rcv_skb+0x130/0x360 [ 6808.173572][ T10] netlink_unicast+0x449/0x710 [ 6808.173572][ T10] netlink_sendmsg+0x723/0xbe0 [ 6808.173572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6808.173572][ T10] ___sys_sendmsg+0xee/0x170 [ 6808.173572][ T10] __sys_sendmsg+0xcd/0x170 [ 6808.173572][ T10] do_syscall_64+0xc6/0x1e0 [ 6808.173572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6808.173572][ T10] [ 6808.175629][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6808.175629][ T10] netdev_get_by_index+0x5e/0x80 [ 6808.175629][ T10] fib6_nh_init+0x3d8/0x1580 [ 6808.175629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6808.175629][ T10] ip6_route_add+0x1c/0x140 [ 6808.175629][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6808.175629][ T10] addrconf_add_dev+0xe2/0x170 [ 6808.175629][ T10] inet6_addr_add+0x12f/0xa40 [ 6808.175629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6808.175629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6808.175629][ T10] netlink_rcv_skb+0x130/0x360 [ 6808.175629][ T10] netlink_unicast+0x449/0x710 [ 6808.175629][ T10] netlink_sendmsg+0x723/0xbe0 [ 6808.175629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6808.175629][ T10] ___sys_sendmsg+0xee/0x170 [ 6808.175629][ T10] __sys_sendmsg+0xcd/0x170 [ 6808.175629][ T10] do_syscall_64+0xc6/0x1e0 [ 6808.175629][ T10] [ 6808.177605][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6808.177605][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6808.177605][ T10] ipv6_find_idev+0x102/0x170 [ 6808.177605][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6808.177605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6808.177605][ T10] netlink_rcv_skb+0x130/0x360 [ 6808.177605][ T10] netlink_unicast+0x449/0x710 [ 6808.177605][ T10] netlink_sendmsg+0x723/0xbe0 [ 6808.177605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6808.177605][ T10] ___sys_sendmsg+0xee/0x170 [ 6808.177605][ T10] __sys_sendmsg+0xcd/0x170 [ 6808.177605][ T10] do_syscall_64+0xc6/0x1e0 [ 6808.177605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6808.177605][ T10] [ 6808.179153][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6808.179153][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6808.179153][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6808.179153][ T10] ipv6_find_idev+0x102/0x170 [ 6808.179153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6808.179153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6808.179153][ T10] netlink_rcv_skb+0x130/0x360 [ 6808.179153][ T10] netlink_unicast+0x449/0x710 [ 6808.179153][ T10] netlink_sendmsg+0x723/0xbe0 [ 6808.179153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6808.179153][ T10] ___sys_sendmsg+0xee/0x170 [ 6808.179153][ T10] __sys_sendmsg+0xcd/0x170 [ 6808.179153][ T10] do_syscall_64+0xc6/0x1e0 [ 6808.179153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6808.179153][ T10] [ 6808.180871][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6808.181139][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6808.181139][ T10] netdev_get_by_index+0x5e/0x80 [ 6808.181139][ T10] fib6_nh_init+0x3d8/0x1580 [ 6808.181139][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6808.181139][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6808.181139][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6808.181139][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6808.181139][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6808.181139][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6808.181139][ T10] addrconf_dad_begin+0x310/0x670 [ 6808.181139][ T10] addrconf_dad_work+0x10b/0xab0 [ 6808.181139][ T10] process_one_work+0x84d/0x18a0 [ 6808.181139][ T10] worker_thread+0x587/0xd30 [ 6808.181139][ T10] kthread+0x28a/0x350 [ 6808.181139][ T10] ret_from_fork+0x31/0x70 [ 6808.181139][ T10] ret_from_fork_asm+0x1a/0x30 [ 6808.181139][ T10] [ 6808.183186][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6808.183186][ T10] netdev_get_by_index+0x5e/0x80 [ 6808.183186][ T10] fib6_nh_init+0x3d8/0x1580 [ 6808.183186][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6808.183186][ T10] ip6_route_add+0x1c/0x140 [ 6808.183186][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6808.183186][ T10] inet6_addr_add+0x4f8/0xa40 [ 6808.183186][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6808.183186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6808.183186][ T10] netlink_rcv_skb+0x130/0x360 [ 6808.183186][ T10] netlink_unicast+0x449/0x710 [ 6808.183186][ T10] netlink_sendmsg+0x723/0xbe0 [ 6808.183186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6808.183186][ T10] ___sys_sendmsg+0xee/0x170 [ 6808.183186][ T10] __sys_sendmsg+0xcd/0x170 [ 6808.183186][ T10] do_syscall_64+0xc6/0x1e0 [ 6808.183186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6808.183186][ T10] [ 6808.185196][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6808.185196][ T10] netdev_get_by_index+0x5e/0x80 [ 6808.185196][ T10] fib6_nh_init+0x3d8/0x1580 [ 6808.185196][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6808.185196][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6808.185196][ T10] ipv6_add_addr+0x411/0x2000 [ 6808.185196][ T10] inet6_addr_add+0x30e/0xa40 [ 6808.185196][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6808.185196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6808.185196][ T10] netlink_rcv_skb+0x130/0x360 [ 6808.185196][ T10] netlink_unicast+0x449/0x710 [ 6808.185196][ T10] netlink_sendmsg+0x723/0xbe0 [ 6808.185196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6808.185196][ T10] ___sys_sendmsg+0xee/0x170 [ 6808.185196][ T10] __sys_sendmsg+0xcd/0x170 [ 6808.185196][ T10] do_syscall_64+0xc6/0x1e0 [ 6808.185196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6808.185196][ T10] [ 6808.187203][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6808.187203][ T10] netdev_get_by_index+0x5e/0x80 [ 6808.187203][ T10] fib6_nh_init+0x3d8/0x1580 [ 6808.187203][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6808.187203][ T10] ip6_route_add+0x1c/0x140 [ 6808.187203][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6808.187203][ T10] addrconf_add_dev+0xe2/0x170 [ 6808.187203][ T10] inet6_addr_add+0x12f/0xa40 [ 6808.187203][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6808.187203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6808.187203][ T10] netlink_rcv_skb+0x130/0x360 [ 6808.187203][ T10] netlink_unicast+0x449/0x710 [ 6808.187203][ T10] netlink_sendmsg+0x723/0xbe0 [ 6808.187203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6808.187203][ T10] ___sys_sendmsg+0xee/0x170 [ 6808.187203][ T10] __sys_sendmsg+0xcd/0x170 [ 6808.187203][ T10] do_syscall_64+0xc6/0x1e0 [ 6808.187203][ T10] [ 6808.189175][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6808.189175][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6808.189175][ T10] ipv6_find_idev+0x102/0x170 [ 6808.189175][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6808.189175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6808.189175][ T10] netlink_rcv_skb+0x130/0x360 [ 6808.189175][ T10] netlink_unicast+0x449/0x710 [ 6808.189175][ T10] netlink_sendmsg+0x723/0xbe0 [ 6808.189175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6808.189175][ T10] ___sys_sendmsg+0xee/0x170 [ 6808.189175][ T10] __sys_sendmsg+0xcd/0x170 [ 6808.189175][ T10] do_syscall_64+0xc6/0x1e0 [ 6808.189175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6808.189175][ T10] [ 6808.190717][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6808.190717][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6808.190717][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6808.190717][ T10] ipv6_find_idev+0x102/0x170 [ 6808.190717][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6808.190717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6808.190717][ T10] netlink_rcv_skb+0x130/0x360 [ 6808.190717][ T10] netlink_unicast+0x449/0x710 [ 6808.190717][ T10] netlink_sendmsg+0x723/0xbe0 [ 6808.190717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6808.190717][ T10] ___sys_sendmsg+0xee/0x170 [ 6808.190717][ T10] __sys_sendmsg+0xcd/0x170 [ 6808.190717][ T10] do_syscall_64+0xc6/0x1e0 [ 6808.190717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6808.190717][ T10] [ 6808.192425][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6808.192669][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6808.192669][ T10] netdev_get_by_index+0x5e/0x80 [ 6808.192669][ T10] fib6_nh_init+0x3d8/0x1580 [ 6808.192669][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6808.192669][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6808.192669][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6808.192669][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6808.192669][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6808.192669][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6808.192669][ T10] addrconf_dad_begin+0x310/0x670 [ 6808.192669][ T10] addrconf_dad_work+0x10b/0xab0 [ 6808.192669][ T10] process_one_work+0x84d/0x18a0 [ 6808.192669][ T10] worker_thread+0x587/0xd30 [ 6808.192669][ T10] kthread+0x28a/0x350 [ 6808.192669][ T10] ret_from_fork+0x31/0x70 [ 6808.192669][ T10] ret_from_fork_asm+0x1a/0x30 [ 6808.192669][ T10] [ 6808.194584][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6808.194584][ T10] netdev_get_by_index+0x5e/0x80 [ 6808.194584][ T10] fib6_nh_init+0x3d8/0x1580 [ 6808.194584][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6808.194584][ T10] ip6_route_add+0x1c/0x140 [ 6808.194584][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6808.194584][ T10] inet6_addr_add+0x4f8/0xa40 [ 6808.194584][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6808.194584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6808.194584][ T10] netlink_rcv_skb+0x130/0x360 [ 6808.194584][ T10] netlink_unicast+0x449/0x710 [ 6808.194584][ T10] netlink_sendmsg+0x723/0xbe0 [ 6808.194584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6808.194584][ T10] ___sys_sendmsg+0xee/0x170 [ 6808.194584][ T10] __sys_sendmsg+0xcd/0x170 [ 6808.194584][ T10] do_syscall_64+0xc6/0x1e0 [ 6808.194584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6808.194584][ T10] [ 6808.196788][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6808.196788][ T10] netdev_get_by_index+0x5e/0x80 [ 6808.196788][ T10] fib6_nh_init+0x3d8/0x1580 [ 6808.196788][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6808.196788][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6808.196788][ T10] ipv6_add_addr+0x411/0x2000 [ 6808.196788][ T10] inet6_addr_add+0x30e/0xa40 [ 6808.196788][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6808.196788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6808.196788][ T10] netlink_rcv_skb+0x130/0x360 [ 6808.196788][ T10] netlink_unicast+0x449/0x710 [ 6808.196788][ T10] netlink_sendmsg+0x723/0xbe0 [ 6808.196788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6808.196788][ T10] ___sys_sendmsg+0xee/0x170 [ 6808.196788][ T10] __sys_sendmsg+0xcd/0x170 [ 6808.196788][ T10] do_syscall_64+0xc6/0x1e0 [ 6808.196788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6808.196788][ T10] [ 6808.199060][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6808.199060][ T10] netdev_get_by_index+0x5e/0x80 [ 6808.199060][ T10] fib6_nh_init+0x3d8/0x1580 [ 6808.199060][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6808.199060][ T10] ip6_route_add+0x1c/0x140 [ 6808.199060][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6808.199060][ T10] addrconf_add_dev+0xe2/0x170 [ 6808.199060][ T10] inet6_addr_add+0x12f/0xa40 [ 6808.199060][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6808.199060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6808.199060][ T10] netlink_rcv_skb+0x130/0x360 [ 6808.199060][ T10] netlink_unicast+0x449/0x710 [ 6808.199060][ T10] netlink_sendmsg+0x723/0xbe0 [ 6808.199060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6808.199060][ T10] ___sys_sendmsg+0xee/0x170 [ 6808.199060][ T10] __sys_sendmsg+0xcd/0x170 [ 6808.199060][ T10] do_syscall_64+0xc6/0x1e0 [ 6808.199060][ T10] [ 6808.201270][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6808.201270][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6808.201270][ T10] ipv6_find_idev+0x102/0x170 [ 6808.201270][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6808.201270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6808.201270][ T10] netlink_rcv_skb+0x130/0x360 [ 6808.201270][ T10] netlink_unicast+0x449/0x710 [ 6808.201270][ T10] netlink_sendmsg+0x723/0xbe0 [ 6808.201270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6808.201270][ T10] ___sys_sendmsg+0xee/0x170 [ 6808.201270][ T10] __sys_sendmsg+0xcd/0x170 [ 6808.201270][ T10] do_syscall_64+0xc6/0x1e0 [ 6808.201270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6808.201270][ T10] [ 6808.202992][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6808.202992][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6808.202992][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6808.202992][ T10] ipv6_find_idev+0x102/0x170 [ 6808.202992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6808.202992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6808.202992][ T10] netlink_rcv_skb+0x130/0x360 [ 6808.202992][ T10] netlink_unicast+0x449/0x710 [ 6808.202992][ T10] netlink_sendmsg+0x723/0xbe0 [ 6808.202992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6808.202992][ T10] ___sys_sendmsg+0xee/0x170 [ 6808.202992][ T10] __sys_sendmsg+0xcd/0x170 [ 6808.202992][ T10] do_syscall_64+0xc6/0x1e0 [ 6808.202992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6808.202992][ T10] [ 6808.204931][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6808.205616][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6808.205616][ T10] netdev_get_by_index+0x5e/0x80 [ 6808.205616][ T10] fib6_nh_init+0x3d8/0x1580 [ 6808.205616][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6808.205616][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6808.205616][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6808.205616][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6808.205616][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6808.205616][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6808.205616][ T10] addrconf_dad_begin+0x310/0x670 [ 6808.205616][ T10] addrconf_dad_work+0x10b/0xab0 [ 6808.205616][ T10] process_one_work+0x84d/0x18a0 [ 6808.205616][ T10] worker_thread+0x587/0xd30 [ 6808.205616][ T10] kthread+0x28a/0x350 [ 6808.205616][ T10] ret_from_fork+0x31/0x70 [ 6808.205616][ T10] ret_from_fork_asm+0x1a/0x30 [ 6808.205616][ T10] [ 6808.207548][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6808.207548][ T10] netdev_get_by_index+0x5e/0x80 [ 6808.207548][ T10] fib6_nh_init+0x3d8/0x1580 [ 6808.207548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6808.207548][ T10] ip6_route_add+0x1c/0x140 [ 6808.207548][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6808.207548][ T10] inet6_addr_add+0x4f8/0xa40 [ 6808.207548][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6808.207548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6808.207548][ T10] netlink_rcv_skb+0x130/0x360 [ 6808.207548][ T10] netlink_unicast+0x449/0x710 [ 6808.207548][ T10] netlink_sendmsg+0x723/0xbe0 [ 6808.207548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6808.207548][ T10] ___sys_sendmsg+0xee/0x170 [ 6808.207548][ T10] __sys_sendmsg+0xcd/0x170 [ 6808.207548][ T10] do_syscall_64+0xc6/0x1e0 [ 6808.207548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6808.207548][ T10] [ 6808.209696][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6808.209696][ T10] netdev_get_by_index+0x5e/0x80 [ 6808.209696][ T10] fib6_nh_init+0x3d8/0x1580 [ 6808.209696][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6808.209696][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6808.209696][ T10] ipv6_add_addr+0x411/0x2000 [ 6808.209696][ T10] inet6_addr_add+0x30e/0xa40 [ 6808.209696][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6808.209696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6808.209696][ T10] netlink_rcv_skb+0x130/0x360 [ 6808.209696][ T10] netlink_unicast+0x449/0x710 [ 6808.209696][ T10] netlink_sendmsg+0x723/0xbe0 [ 6808.209696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6808.209696][ T10] ___sys_sendmsg+0xee/0x170 [ 6808.209696][ T10] __sys_sendmsg+0xcd/0x170 [ 6808.209696][ T10] do_syscall_64+0xc6/0x1e0 [ 6808.209696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6808.209696][ T10] [ 6808.211774][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6808.211774][ T10] netdev_get_by_index+0x5e/0x80 [ 6808.211774][ T10] fib6_nh_init+0x3d8/0x1580 [ 6808.211774][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6808.211774][ T10] ip6_route_add+0x1c/0x140 [ 6808.211774][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6808.211774][ T10] addrconf_add_dev+0xe2/0x170 [ 6808.211774][ T10] inet6_addr_add+0x12f/0xa40 [ 6808.211774][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6808.211774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6808.211774][ T10] netlink_rcv_skb+0x130/0x360 [ 6808.211774][ T10] netlink_unicast+0x449/0x710 [ 6808.211774][ T10] netlink_sendmsg+0x723/0xbe0 [ 6808.211774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6808.211774][ T10] ___sys_sendmsg+0xee/0x170 [ 6808.211774][ T10] __sys_sendmsg+0xcd/0x170 [ 6808.211774][ T10] do_syscall_64+0xc6/0x1e0 [ 6808.211774][ T10] [ 6808.213840][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6808.213840][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6808.213840][ T10] ipv6_find_idev+0x102/0x170 [ 6808.213840][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6808.213840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6808.213840][ T10] netlink_rcv_skb+0x130/0x360 [ 6808.213840][ T10] netlink_unicast+0x449/0x710 [ 6808.213840][ T10] netlink_sendmsg+0x723/0xbe0 [ 6808.213840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6808.213840][ T10] ___sys_sendmsg+0xee/0x170 [ 6808.213840][ T10] __sys_sendmsg+0xcd/0x170 [ 6808.213840][ T10] do_syscall_64+0xc6/0x1e0 [ 6808.213840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6808.213840][ T10] [ 6808.215464][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6808.215464][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6808.215464][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6808.215464][ T10] ipv6_find_idev+0x102/0x170 [ 6808.215464][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6808.215464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6808.215464][ T10] netlink_rcv_skb+0x130/0x360 [ 6808.215464][ T10] netlink_unicast+0x449/0x710 [ 6808.215464][ T10] netlink_sendmsg+0x723/0xbe0 [ 6808.215464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6808.215464][ T10] ___sys_sendmsg+0xee/0x170 [ 6808.215464][ T10] __sys_sendmsg+0xcd/0x170 [ 6808.215464][ T10] do_syscall_64+0xc6/0x1e0 [ 6808.215464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6808.215464][ T10] [ 6815.305108][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6815.305623][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6815.305623][ T1167] dst_init+0x84/0x4a0 [ 6815.305623][ T1167] dst_alloc+0x97/0x150 [ 6815.305623][ T1167] ip6_dst_alloc+0x23/0x90 [ 6815.305623][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6815.305623][ T1167] ip6_pol_route+0x56f/0x840 [ 6815.305623][ T1167] fib6_rule_lookup+0x334/0x630 [ 6815.305623][ T1167] ip6_route_output_flags+0x259/0x480 [ 6815.305623][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6815.305623][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6815.305623][ T1167] netlink_rcv_skb+0x130/0x360 [ 6815.305623][ T1167] netlink_unicast+0x449/0x710 [ 6815.305623][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6815.305623][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6815.305623][ T1167] ___sys_sendmsg+0xee/0x170 [ 6815.305623][ T1167] __sys_sendmsg+0xcd/0x170 [ 6815.305623][ T1167] do_syscall_64+0xc6/0x1e0 [ 6815.305623][ T1167] [ 6815.308053][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6815.308053][ T1167] netdev_get_by_index+0x5e/0x80 [ 6815.308053][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6815.308053][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6815.308053][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6815.308053][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6815.308053][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6815.308053][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6815.308053][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6815.308053][ T1167] addrconf_dad_begin+0x310/0x670 [ 6815.308053][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6815.308053][ T1167] process_one_work+0x84d/0x18a0 [ 6815.308053][ T1167] worker_thread+0x587/0xd30 [ 6815.308053][ T1167] kthread+0x28a/0x350 [ 6815.308053][ T1167] ret_from_fork+0x31/0x70 [ 6815.308053][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6815.308053][ T1167] [ 6815.310446][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6815.310446][ T1167] netdev_get_by_index+0x5e/0x80 [ 6815.310446][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6815.310446][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6815.310446][ T1167] ip6_route_add+0x1c/0x140 [ 6815.310446][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6815.310446][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6815.310446][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6815.310446][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6815.310446][ T1167] netlink_rcv_skb+0x130/0x360 [ 6815.310446][ T1167] netlink_unicast+0x449/0x710 [ 6815.310446][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6815.310446][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6815.310446][ T1167] ___sys_sendmsg+0xee/0x170 [ 6815.310446][ T1167] __sys_sendmsg+0xcd/0x170 [ 6815.310446][ T1167] do_syscall_64+0xc6/0x1e0 [ 6815.310446][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6815.310446][ T1167] [ 6815.312906][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6815.312906][ T1167] netdev_get_by_index+0x5e/0x80 [ 6815.312906][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6815.312906][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6815.312906][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6815.312906][ T1167] ipv6_add_addr+0x411/0x2000 [ 6815.312906][ T1167] inet6_addr_add+0x30e/0xa40 [ 6815.312906][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6815.312906][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6815.312906][ T1167] netlink_rcv_skb+0x130/0x360 [ 6815.312906][ T1167] netlink_unicast+0x449/0x710 [ 6815.312906][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6815.312906][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6815.312906][ T1167] ___sys_sendmsg+0xee/0x170 [ 6815.312906][ T1167] __sys_sendmsg+0xcd/0x170 [ 6815.312906][ T1167] do_syscall_64+0xc6/0x1e0 [ 6815.312906][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6815.312906][ T1167] [ 6815.315378][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6815.315378][ T1167] netdev_get_by_index+0x5e/0x80 [ 6815.315378][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6815.315378][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6815.315378][ T1167] ip6_route_add+0x1c/0x140 [ 6815.315378][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6815.315378][ T1167] addrconf_add_dev+0xe2/0x170 [ 6815.315378][ T1167] inet6_addr_add+0x12f/0xa40 [ 6815.315378][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6815.315378][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6815.315378][ T1167] netlink_rcv_skb+0x130/0x360 [ 6815.315378][ T1167] netlink_unicast+0x449/0x710 [ 6815.315378][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6815.315378][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6815.315378][ T1167] ___sys_sendmsg+0xee/0x170 [ 6815.315378][ T1167] __sys_sendmsg+0xcd/0x170 [ 6815.315378][ T1167] do_syscall_64+0xc6/0x1e0 [ 6815.315378][ T1167] [ 6815.317801][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6815.317801][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6815.317801][ T1167] ipv6_find_idev+0x102/0x170 [ 6815.317801][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6815.317801][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6815.317801][ T1167] netlink_rcv_skb+0x130/0x360 [ 6815.317801][ T1167] netlink_unicast+0x449/0x710 [ 6815.317801][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6815.317801][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6815.317801][ T1167] ___sys_sendmsg+0xee/0x170 [ 6815.317801][ T1167] __sys_sendmsg+0xcd/0x170 [ 6815.317801][ T1167] do_syscall_64+0xc6/0x1e0 [ 6815.317801][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6815.317801][ T1167] [ 6815.319703][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6815.319703][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6815.319703][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6815.319703][ T1167] ipv6_find_idev+0x102/0x170 [ 6815.319703][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6815.319703][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6815.319703][ T1167] netlink_rcv_skb+0x130/0x360 [ 6815.319703][ T1167] netlink_unicast+0x449/0x710 [ 6815.319703][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6815.319703][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6815.319703][ T1167] ___sys_sendmsg+0xee/0x170 [ 6815.319703][ T1167] __sys_sendmsg+0xcd/0x170 [ 6815.319703][ T1167] do_syscall_64+0xc6/0x1e0 [ 6815.319703][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6815.319703][ T1167] [ 6818.457122][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6818.457548][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6818.457548][ T10] netdev_get_by_index+0x5e/0x80 [ 6818.457548][ T10] fib6_nh_init+0x3d8/0x1580 [ 6818.457548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6818.457548][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6818.457548][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6818.457548][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6818.457548][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6818.457548][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6818.457548][ T10] addrconf_dad_begin+0x310/0x670 [ 6818.457548][ T10] addrconf_dad_work+0x10b/0xab0 [ 6818.457548][ T10] process_one_work+0x84d/0x18a0 [ 6818.457548][ T10] worker_thread+0x587/0xd30 [ 6818.457548][ T10] kthread+0x28a/0x350 [ 6818.457548][ T10] ret_from_fork+0x31/0x70 [ 6818.457548][ T10] ret_from_fork_asm+0x1a/0x30 [ 6818.457548][ T10] [ 6818.459684][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6818.459684][ T10] netdev_get_by_index+0x5e/0x80 [ 6818.459684][ T10] fib6_nh_init+0x3d8/0x1580 [ 6818.459684][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6818.459684][ T10] ip6_route_add+0x1c/0x140 [ 6818.459684][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6818.459684][ T10] inet6_addr_add+0x4f8/0xa40 [ 6818.459684][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6818.459684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6818.459684][ T10] netlink_rcv_skb+0x130/0x360 [ 6818.459684][ T10] netlink_unicast+0x449/0x710 [ 6818.459684][ T10] netlink_sendmsg+0x723/0xbe0 [ 6818.459684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6818.459684][ T10] ___sys_sendmsg+0xee/0x170 [ 6818.459684][ T10] __sys_sendmsg+0xcd/0x170 [ 6818.459684][ T10] do_syscall_64+0xc6/0x1e0 [ 6818.459684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6818.459684][ T10] [ 6818.461908][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6818.461908][ T10] netdev_get_by_index+0x5e/0x80 [ 6818.461908][ T10] fib6_nh_init+0x3d8/0x1580 [ 6818.461908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6818.461908][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6818.461908][ T10] ipv6_add_addr+0x411/0x2000 [ 6818.461908][ T10] inet6_addr_add+0x30e/0xa40 [ 6818.461908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6818.461908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6818.461908][ T10] netlink_rcv_skb+0x130/0x360 [ 6818.461908][ T10] netlink_unicast+0x449/0x710 [ 6818.461908][ T10] netlink_sendmsg+0x723/0xbe0 [ 6818.461908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6818.461908][ T10] ___sys_sendmsg+0xee/0x170 [ 6818.461908][ T10] __sys_sendmsg+0xcd/0x170 [ 6818.461908][ T10] do_syscall_64+0xc6/0x1e0 [ 6818.461908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6818.461908][ T10] [ 6818.464152][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6818.464152][ T10] netdev_get_by_index+0x5e/0x80 [ 6818.464152][ T10] fib6_nh_init+0x3d8/0x1580 [ 6818.464152][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6818.464152][ T10] ip6_route_add+0x1c/0x140 [ 6818.464152][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6818.464152][ T10] addrconf_add_dev+0xe2/0x170 [ 6818.464152][ T10] inet6_addr_add+0x12f/0xa40 [ 6818.464152][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6818.464152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6818.464152][ T10] netlink_rcv_skb+0x130/0x360 [ 6818.464152][ T10] netlink_unicast+0x449/0x710 [ 6818.464152][ T10] netlink_sendmsg+0x723/0xbe0 [ 6818.464152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6818.464152][ T10] ___sys_sendmsg+0xee/0x170 [ 6818.464152][ T10] __sys_sendmsg+0xcd/0x170 [ 6818.464152][ T10] do_syscall_64+0xc6/0x1e0 [ 6818.464152][ T10] [ 6818.466333][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6818.466333][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6818.466333][ T10] ipv6_find_idev+0x102/0x170 [ 6818.466333][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6818.466333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6818.466333][ T10] netlink_rcv_skb+0x130/0x360 [ 6818.466333][ T10] netlink_unicast+0x449/0x710 [ 6818.466333][ T10] netlink_sendmsg+0x723/0xbe0 [ 6818.466333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6818.466333][ T10] ___sys_sendmsg+0xee/0x170 [ 6818.466333][ T10] __sys_sendmsg+0xcd/0x170 [ 6818.466333][ T10] do_syscall_64+0xc6/0x1e0 [ 6818.466333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6818.466333][ T10] [ 6818.468038][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6818.468038][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6818.468038][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6818.468038][ T10] ipv6_find_idev+0x102/0x170 [ 6818.468038][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6818.468038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6818.468038][ T10] netlink_rcv_skb+0x130/0x360 [ 6818.468038][ T10] netlink_unicast+0x449/0x710 [ 6818.468038][ T10] netlink_sendmsg+0x723/0xbe0 [ 6818.468038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6818.468038][ T10] ___sys_sendmsg+0xee/0x170 [ 6818.468038][ T10] __sys_sendmsg+0xcd/0x170 [ 6818.468038][ T10] do_syscall_64+0xc6/0x1e0 [ 6818.468038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6818.468038][ T10] [ 6818.469915][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6818.470191][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6818.470191][ T10] netdev_get_by_index+0x5e/0x80 [ 6818.470191][ T10] fib6_nh_init+0x3d8/0x1580 [ 6818.470191][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6818.470191][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6818.470191][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6818.470191][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6818.470191][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6818.470191][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6818.470191][ T10] addrconf_dad_begin+0x310/0x670 [ 6818.470191][ T10] addrconf_dad_work+0x10b/0xab0 [ 6818.470191][ T10] process_one_work+0x84d/0x18a0 [ 6818.470191][ T10] worker_thread+0x587/0xd30 [ 6818.470191][ T10] kthread+0x28a/0x350 [ 6818.470191][ T10] ret_from_fork+0x31/0x70 [ 6818.470191][ T10] ret_from_fork_asm+0x1a/0x30 [ 6818.470191][ T10] [ 6818.472302][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6818.472302][ T10] netdev_get_by_index+0x5e/0x80 [ 6818.472302][ T10] fib6_nh_init+0x3d8/0x1580 [ 6818.472302][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6818.472302][ T10] ip6_route_add+0x1c/0x140 [ 6818.472302][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6818.472302][ T10] inet6_addr_add+0x4f8/0xa40 [ 6818.472302][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6818.472302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6818.472302][ T10] netlink_rcv_skb+0x130/0x360 [ 6818.472302][ T10] netlink_unicast+0x449/0x710 [ 6818.472302][ T10] netlink_sendmsg+0x723/0xbe0 [ 6818.472302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6818.472302][ T10] ___sys_sendmsg+0xee/0x170 [ 6818.472302][ T10] __sys_sendmsg+0xcd/0x170 [ 6818.472302][ T10] do_syscall_64+0xc6/0x1e0 [ 6818.472302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6818.472302][ T10] [ 6818.474509][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6818.474509][ T10] netdev_get_by_index+0x5e/0x80 [ 6818.474509][ T10] fib6_nh_init+0x3d8/0x1580 [ 6818.474509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6818.474509][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6818.474509][ T10] ipv6_add_addr+0x411/0x2000 [ 6818.474509][ T10] inet6_addr_add+0x30e/0xa40 [ 6818.474509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6818.474509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6818.474509][ T10] netlink_rcv_skb+0x130/0x360 [ 6818.474509][ T10] netlink_unicast+0x449/0x710 [ 6818.474509][ T10] netlink_sendmsg+0x723/0xbe0 [ 6818.474509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6818.474509][ T10] ___sys_sendmsg+0xee/0x170 [ 6818.474509][ T10] __sys_sendmsg+0xcd/0x170 [ 6818.474509][ T10] do_syscall_64+0xc6/0x1e0 [ 6818.474509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6818.474509][ T10] [ 6818.476741][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6818.476741][ T10] netdev_get_by_index+0x5e/0x80 [ 6818.476741][ T10] fib6_nh_init+0x3d8/0x1580 [ 6818.476741][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6818.476741][ T10] ip6_route_add+0x1c/0x140 [ 6818.476741][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6818.476741][ T10] addrconf_add_dev+0xe2/0x170 [ 6818.476741][ T10] inet6_addr_add+0x12f/0xa40 [ 6818.476741][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6818.476741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6818.476741][ T10] netlink_rcv_skb+0x130/0x360 [ 6818.476741][ T10] netlink_unicast+0x449/0x710 [ 6818.476741][ T10] netlink_sendmsg+0x723/0xbe0 [ 6818.476741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6818.476741][ T10] ___sys_sendmsg+0xee/0x170 [ 6818.476741][ T10] __sys_sendmsg+0xcd/0x170 [ 6818.476741][ T10] do_syscall_64+0xc6/0x1e0 [ 6818.476741][ T10] [ 6818.478928][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6818.478928][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6818.478928][ T10] ipv6_find_idev+0x102/0x170 [ 6818.478928][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6818.478928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6818.478928][ T10] netlink_rcv_skb+0x130/0x360 [ 6818.478928][ T10] netlink_unicast+0x449/0x710 [ 6818.478928][ T10] netlink_sendmsg+0x723/0xbe0 [ 6818.478928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6818.478928][ T10] ___sys_sendmsg+0xee/0x170 [ 6818.478928][ T10] __sys_sendmsg+0xcd/0x170 [ 6818.478928][ T10] do_syscall_64+0xc6/0x1e0 [ 6818.478928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6818.478928][ T10] [ 6818.480636][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6818.480636][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6818.480636][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6818.480636][ T10] ipv6_find_idev+0x102/0x170 [ 6818.480636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6818.480636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6818.480636][ T10] netlink_rcv_skb+0x130/0x360 [ 6818.480636][ T10] netlink_unicast+0x449/0x710 [ 6818.480636][ T10] netlink_sendmsg+0x723/0xbe0 [ 6818.480636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6818.480636][ T10] ___sys_sendmsg+0xee/0x170 [ 6818.480636][ T10] __sys_sendmsg+0xcd/0x170 [ 6818.480636][ T10] do_syscall_64+0xc6/0x1e0 [ 6818.480636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6818.480636][ T10] [ 6818.482499][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6818.482761][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6818.482761][ T10] netdev_get_by_index+0x5e/0x80 [ 6818.482761][ T10] fib6_nh_init+0x3d8/0x1580 [ 6818.482761][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6818.482761][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6818.482761][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6818.482761][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6818.482761][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6818.482761][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6818.482761][ T10] addrconf_dad_begin+0x310/0x670 [ 6818.482761][ T10] addrconf_dad_work+0x10b/0xab0 [ 6818.482761][ T10] process_one_work+0x84d/0x18a0 [ 6818.482761][ T10] worker_thread+0x587/0xd30 [ 6818.482761][ T10] kthread+0x28a/0x350 [ 6818.482761][ T10] ret_from_fork+0x31/0x70 [ 6818.482761][ T10] ret_from_fork_asm+0x1a/0x30 [ 6818.482761][ T10] [ 6818.484879][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6818.484879][ T10] netdev_get_by_index+0x5e/0x80 [ 6818.484879][ T10] fib6_nh_init+0x3d8/0x1580 [ 6818.484879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6818.484879][ T10] ip6_route_add+0x1c/0x140 [ 6818.484879][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6818.484879][ T10] inet6_addr_add+0x4f8/0xa40 [ 6818.484879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6818.484879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6818.484879][ T10] netlink_rcv_skb+0x130/0x360 [ 6818.484879][ T10] netlink_unicast+0x449/0x710 [ 6818.484879][ T10] netlink_sendmsg+0x723/0xbe0 [ 6818.484879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6818.484879][ T10] ___sys_sendmsg+0xee/0x170 [ 6818.484879][ T10] __sys_sendmsg+0xcd/0x170 [ 6818.484879][ T10] do_syscall_64+0xc6/0x1e0 [ 6818.484879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6818.484879][ T10] [ 6818.487339][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6818.487339][ T10] netdev_get_by_index+0x5e/0x80 [ 6818.487339][ T10] fib6_nh_init+0x3d8/0x1580 [ 6818.487339][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6818.487339][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6818.487339][ T10] ipv6_add_addr+0x411/0x2000 [ 6818.487339][ T10] inet6_addr_add+0x30e/0xa40 [ 6818.487339][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6818.487339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6818.487339][ T10] netlink_rcv_skb+0x130/0x360 [ 6818.487339][ T10] netlink_unicast+0x449/0x710 [ 6818.487339][ T10] netlink_sendmsg+0x723/0xbe0 [ 6818.487339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6818.487339][ T10] ___sys_sendmsg+0xee/0x170 [ 6818.487339][ T10] __sys_sendmsg+0xcd/0x170 [ 6818.487339][ T10] do_syscall_64+0xc6/0x1e0 [ 6818.487339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6818.487339][ T10] [ 6818.489773][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6818.489773][ T10] netdev_get_by_index+0x5e/0x80 [ 6818.489773][ T10] fib6_nh_init+0x3d8/0x1580 [ 6818.489773][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6818.489773][ T10] ip6_route_add+0x1c/0x140 [ 6818.489773][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6818.489773][ T10] addrconf_add_dev+0xe2/0x170 [ 6818.489773][ T10] inet6_addr_add+0x12f/0xa40 [ 6818.489773][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6818.489773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6818.489773][ T10] netlink_rcv_skb+0x130/0x360 [ 6818.489773][ T10] netlink_unicast+0x449/0x710 [ 6818.489773][ T10] netlink_sendmsg+0x723/0xbe0 [ 6818.489773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6818.489773][ T10] ___sys_sendmsg+0xee/0x170 [ 6818.489773][ T10] __sys_sendmsg+0xcd/0x170 [ 6818.489773][ T10] do_syscall_64+0xc6/0x1e0 [ 6818.489773][ T10] [ 6818.492140][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6818.492140][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6818.492140][ T10] ipv6_find_idev+0x102/0x170 [ 6818.492140][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6818.492140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6818.492140][ T10] netlink_rcv_skb+0x130/0x360 [ 6818.492140][ T10] netlink_unicast+0x449/0x710 [ 6818.492140][ T10] netlink_sendmsg+0x723/0xbe0 [ 6818.492140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6818.492140][ T10] ___sys_sendmsg+0xee/0x170 [ 6818.492140][ T10] __sys_sendmsg+0xcd/0x170 [ 6818.492140][ T10] do_syscall_64+0xc6/0x1e0 [ 6818.492140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6818.492140][ T10] [ 6818.494093][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6818.494093][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6818.494093][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6818.494093][ T10] ipv6_find_idev+0x102/0x170 [ 6818.494093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6818.494093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6818.494093][ T10] netlink_rcv_skb+0x130/0x360 [ 6818.494093][ T10] netlink_unicast+0x449/0x710 [ 6818.494093][ T10] netlink_sendmsg+0x723/0xbe0 [ 6818.494093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6818.494093][ T10] ___sys_sendmsg+0xee/0x170 [ 6818.494093][ T10] __sys_sendmsg+0xcd/0x170 [ 6818.494093][ T10] do_syscall_64+0xc6/0x1e0 [ 6818.494093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6818.494093][ T10] [ 6818.496199][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6818.496452][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6818.496452][ T10] netdev_get_by_index+0x5e/0x80 [ 6818.496452][ T10] fib6_nh_init+0x3d8/0x1580 [ 6818.496452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6818.496452][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6818.496452][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6818.496452][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6818.496452][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6818.496452][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6818.496452][ T10] addrconf_dad_begin+0x310/0x670 [ 6818.496452][ T10] addrconf_dad_work+0x10b/0xab0 [ 6818.496452][ T10] process_one_work+0x84d/0x18a0 [ 6818.496452][ T10] worker_thread+0x587/0xd30 [ 6818.496452][ T10] kthread+0x28a/0x350 [ 6818.496452][ T10] ret_from_fork+0x31/0x70 [ 6818.496452][ T10] ret_from_fork_asm+0x1a/0x30 [ 6818.496452][ T10] [ 6818.498816][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6818.498816][ T10] netdev_get_by_index+0x5e/0x80 [ 6818.498816][ T10] fib6_nh_init+0x3d8/0x1580 [ 6818.498816][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6818.498816][ T10] ip6_route_add+0x1c/0x140 [ 6818.498816][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6818.498816][ T10] inet6_addr_add+0x4f8/0xa40 [ 6818.498816][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6818.498816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6818.498816][ T10] netlink_rcv_skb+0x130/0x360 [ 6818.498816][ T10] netlink_unicast+0x449/0x710 [ 6818.498816][ T10] netlink_sendmsg+0x723/0xbe0 [ 6818.498816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6818.498816][ T10] ___sys_sendmsg+0xee/0x170 [ 6818.498816][ T10] __sys_sendmsg+0xcd/0x170 [ 6818.498816][ T10] do_syscall_64+0xc6/0x1e0 [ 6818.498816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6818.498816][ T10] [ 6818.501215][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6818.501215][ T10] netdev_get_by_index+0x5e/0x80 [ 6818.501215][ T10] fib6_nh_init+0x3d8/0x1580 [ 6818.501215][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6818.501215][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6818.501215][ T10] ipv6_add_addr+0x411/0x2000 [ 6818.501215][ T10] inet6_addr_add+0x30e/0xa40 [ 6818.501215][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6818.501215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6818.501215][ T10] netlink_rcv_skb+0x130/0x360 [ 6818.501215][ T10] netlink_unicast+0x449/0x710 [ 6818.501215][ T10] netlink_sendmsg+0x723/0xbe0 [ 6818.501215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6818.501215][ T10] ___sys_sendmsg+0xee/0x170 [ 6818.501215][ T10] __sys_sendmsg+0xcd/0x170 [ 6818.501215][ T10] do_syscall_64+0xc6/0x1e0 [ 6818.501215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6818.501215][ T10] [ 6818.503666][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6818.503666][ T10] netdev_get_by_index+0x5e/0x80 [ 6818.503666][ T10] fib6_nh_init+0x3d8/0x1580 [ 6818.503666][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6818.503666][ T10] ip6_route_add+0x1c/0x140 [ 6818.503666][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6818.503666][ T10] addrconf_add_dev+0xe2/0x170 [ 6818.503666][ T10] inet6_addr_add+0x12f/0xa40 [ 6818.503666][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6818.503666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6818.503666][ T10] netlink_rcv_skb+0x130/0x360 [ 6818.503666][ T10] netlink_unicast+0x449/0x710 [ 6818.503666][ T10] netlink_sendmsg+0x723/0xbe0 [ 6818.503666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6818.503666][ T10] ___sys_sendmsg+0xee/0x170 [ 6818.503666][ T10] __sys_sendmsg+0xcd/0x170 [ 6818.503666][ T10] do_syscall_64+0xc6/0x1e0 [ 6818.503666][ T10] [ 6818.506149][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6818.506149][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6818.506149][ T10] ipv6_find_idev+0x102/0x170 [ 6818.506149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6818.506149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6818.506149][ T10] netlink_rcv_skb+0x130/0x360 [ 6818.506149][ T10] netlink_unicast+0x449/0x710 [ 6818.506149][ T10] netlink_sendmsg+0x723/0xbe0 [ 6818.506149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6818.506149][ T10] ___sys_sendmsg+0xee/0x170 [ 6818.506149][ T10] __sys_sendmsg+0xcd/0x170 [ 6818.506149][ T10] do_syscall_64+0xc6/0x1e0 [ 6818.506149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6818.506149][ T10] [ 6818.508031][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6818.508031][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6818.508031][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6818.508031][ T10] ipv6_find_idev+0x102/0x170 [ 6818.508031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6818.508031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6818.508031][ T10] netlink_rcv_skb+0x130/0x360 [ 6818.508031][ T10] netlink_unicast+0x449/0x710 [ 6818.508031][ T10] netlink_sendmsg+0x723/0xbe0 [ 6818.508031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6818.508031][ T10] ___sys_sendmsg+0xee/0x170 [ 6818.508031][ T10] __sys_sendmsg+0xcd/0x170 [ 6818.508031][ T10] do_syscall_64+0xc6/0x1e0 [ 6818.508031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6818.508031][ T10] [ 6825.561118][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6825.561619][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6825.561619][ T1167] dst_init+0x84/0x4a0 [ 6825.561619][ T1167] dst_alloc+0x97/0x150 [ 6825.561619][ T1167] ip6_dst_alloc+0x23/0x90 [ 6825.561619][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6825.561619][ T1167] ip6_pol_route+0x56f/0x840 [ 6825.561619][ T1167] fib6_rule_lookup+0x334/0x630 [ 6825.561619][ T1167] ip6_route_output_flags+0x259/0x480 [ 6825.561619][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6825.561619][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6825.561619][ T1167] netlink_rcv_skb+0x130/0x360 [ 6825.561619][ T1167] netlink_unicast+0x449/0x710 [ 6825.561619][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6825.561619][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6825.561619][ T1167] ___sys_sendmsg+0xee/0x170 [ 6825.561619][ T1167] __sys_sendmsg+0xcd/0x170 [ 6825.561619][ T1167] do_syscall_64+0xc6/0x1e0 [ 6825.561619][ T1167] [ 6825.564040][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6825.564040][ T1167] netdev_get_by_index+0x5e/0x80 [ 6825.564040][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6825.564040][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6825.564040][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6825.564040][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6825.564040][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6825.564040][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6825.564040][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6825.564040][ T1167] addrconf_dad_begin+0x310/0x670 [ 6825.564040][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6825.564040][ T1167] process_one_work+0x84d/0x18a0 [ 6825.564040][ T1167] worker_thread+0x587/0xd30 [ 6825.564040][ T1167] kthread+0x28a/0x350 [ 6825.564040][ T1167] ret_from_fork+0x31/0x70 [ 6825.564040][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6825.564040][ T1167] [ 6825.566418][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6825.566418][ T1167] netdev_get_by_index+0x5e/0x80 [ 6825.566418][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6825.566418][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6825.566418][ T1167] ip6_route_add+0x1c/0x140 [ 6825.566418][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6825.566418][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6825.566418][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6825.566418][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6825.566418][ T1167] netlink_rcv_skb+0x130/0x360 [ 6825.566418][ T1167] netlink_unicast+0x449/0x710 [ 6825.566418][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6825.566418][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6825.566418][ T1167] ___sys_sendmsg+0xee/0x170 [ 6825.566418][ T1167] __sys_sendmsg+0xcd/0x170 [ 6825.566418][ T1167] do_syscall_64+0xc6/0x1e0 [ 6825.566418][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6825.566418][ T1167] [ 6825.568878][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6825.568878][ T1167] netdev_get_by_index+0x5e/0x80 [ 6825.568878][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6825.568878][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6825.568878][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6825.568878][ T1167] ipv6_add_addr+0x411/0x2000 [ 6825.568878][ T1167] inet6_addr_add+0x30e/0xa40 [ 6825.568878][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6825.568878][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6825.568878][ T1167] netlink_rcv_skb+0x130/0x360 [ 6825.568878][ T1167] netlink_unicast+0x449/0x710 [ 6825.568878][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6825.568878][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6825.568878][ T1167] ___sys_sendmsg+0xee/0x170 [ 6825.568878][ T1167] __sys_sendmsg+0xcd/0x170 [ 6825.568878][ T1167] do_syscall_64+0xc6/0x1e0 [ 6825.568878][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6825.568878][ T1167] [ 6825.571345][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6825.571345][ T1167] netdev_get_by_index+0x5e/0x80 [ 6825.571345][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6825.571345][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6825.571345][ T1167] ip6_route_add+0x1c/0x140 [ 6825.571345][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6825.571345][ T1167] addrconf_add_dev+0xe2/0x170 [ 6825.571345][ T1167] inet6_addr_add+0x12f/0xa40 [ 6825.571345][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6825.571345][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6825.571345][ T1167] netlink_rcv_skb+0x130/0x360 [ 6825.571345][ T1167] netlink_unicast+0x449/0x710 [ 6825.571345][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6825.571345][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6825.571345][ T1167] ___sys_sendmsg+0xee/0x170 [ 6825.571345][ T1167] __sys_sendmsg+0xcd/0x170 [ 6825.571345][ T1167] do_syscall_64+0xc6/0x1e0 [ 6825.571345][ T1167] [ 6825.573765][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6825.573765][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6825.573765][ T1167] ipv6_find_idev+0x102/0x170 [ 6825.573765][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6825.573765][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6825.573765][ T1167] netlink_rcv_skb+0x130/0x360 [ 6825.573765][ T1167] netlink_unicast+0x449/0x710 [ 6825.573765][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6825.573765][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6825.573765][ T1167] ___sys_sendmsg+0xee/0x170 [ 6825.573765][ T1167] __sys_sendmsg+0xcd/0x170 [ 6825.573765][ T1167] do_syscall_64+0xc6/0x1e0 [ 6825.573765][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6825.573765][ T1167] [ 6825.575663][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6825.575663][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6825.575663][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6825.575663][ T1167] ipv6_find_idev+0x102/0x170 [ 6825.575663][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6825.575663][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6825.575663][ T1167] netlink_rcv_skb+0x130/0x360 [ 6825.575663][ T1167] netlink_unicast+0x449/0x710 [ 6825.575663][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6825.575663][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6825.575663][ T1167] ___sys_sendmsg+0xee/0x170 [ 6825.575663][ T1167] __sys_sendmsg+0xcd/0x170 [ 6825.575663][ T1167] do_syscall_64+0xc6/0x1e0 [ 6825.575663][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6825.575663][ T1167] [ 6828.753106][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6828.753527][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6828.753527][ T10] netdev_get_by_index+0x5e/0x80 [ 6828.753527][ T10] fib6_nh_init+0x3d8/0x1580 [ 6828.753527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6828.753527][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6828.753527][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6828.753527][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6828.753527][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6828.753527][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6828.753527][ T10] addrconf_dad_begin+0x310/0x670 [ 6828.753527][ T10] addrconf_dad_work+0x10b/0xab0 [ 6828.753527][ T10] process_one_work+0x84d/0x18a0 [ 6828.753527][ T10] worker_thread+0x587/0xd30 [ 6828.753527][ T10] kthread+0x28a/0x350 [ 6828.753527][ T10] ret_from_fork+0x31/0x70 [ 6828.753527][ T10] ret_from_fork_asm+0x1a/0x30 [ 6828.753527][ T10] [ 6828.755667][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6828.755667][ T10] netdev_get_by_index+0x5e/0x80 [ 6828.755667][ T10] fib6_nh_init+0x3d8/0x1580 [ 6828.755667][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6828.755667][ T10] ip6_route_add+0x1c/0x140 [ 6828.755667][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6828.755667][ T10] inet6_addr_add+0x4f8/0xa40 [ 6828.755667][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6828.755667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.755667][ T10] netlink_rcv_skb+0x130/0x360 [ 6828.755667][ T10] netlink_unicast+0x449/0x710 [ 6828.755667][ T10] netlink_sendmsg+0x723/0xbe0 [ 6828.755667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6828.755667][ T10] ___sys_sendmsg+0xee/0x170 [ 6828.755667][ T10] __sys_sendmsg+0xcd/0x170 [ 6828.755667][ T10] do_syscall_64+0xc6/0x1e0 [ 6828.755667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.755667][ T10] [ 6828.757893][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6828.757893][ T10] netdev_get_by_index+0x5e/0x80 [ 6828.757893][ T10] fib6_nh_init+0x3d8/0x1580 [ 6828.757893][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6828.757893][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6828.757893][ T10] ipv6_add_addr+0x411/0x2000 [ 6828.757893][ T10] inet6_addr_add+0x30e/0xa40 [ 6828.757893][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6828.757893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.757893][ T10] netlink_rcv_skb+0x130/0x360 [ 6828.757893][ T10] netlink_unicast+0x449/0x710 [ 6828.757893][ T10] netlink_sendmsg+0x723/0xbe0 [ 6828.757893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6828.757893][ T10] ___sys_sendmsg+0xee/0x170 [ 6828.757893][ T10] __sys_sendmsg+0xcd/0x170 [ 6828.757893][ T10] do_syscall_64+0xc6/0x1e0 [ 6828.757893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.757893][ T10] [ 6828.760114][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6828.760114][ T10] netdev_get_by_index+0x5e/0x80 [ 6828.760114][ T10] fib6_nh_init+0x3d8/0x1580 [ 6828.760114][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6828.760114][ T10] ip6_route_add+0x1c/0x140 [ 6828.760114][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6828.760114][ T10] addrconf_add_dev+0xe2/0x170 [ 6828.760114][ T10] inet6_addr_add+0x12f/0xa40 [ 6828.760114][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6828.760114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.760114][ T10] netlink_rcv_skb+0x130/0x360 [ 6828.760114][ T10] netlink_unicast+0x449/0x710 [ 6828.760114][ T10] netlink_sendmsg+0x723/0xbe0 [ 6828.760114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6828.760114][ T10] ___sys_sendmsg+0xee/0x170 [ 6828.760114][ T10] __sys_sendmsg+0xcd/0x170 [ 6828.760114][ T10] do_syscall_64+0xc6/0x1e0 [ 6828.760114][ T10] [ 6828.762294][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6828.762294][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6828.762294][ T10] ipv6_find_idev+0x102/0x170 [ 6828.762294][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6828.762294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.762294][ T10] netlink_rcv_skb+0x130/0x360 [ 6828.762294][ T10] netlink_unicast+0x449/0x710 [ 6828.762294][ T10] netlink_sendmsg+0x723/0xbe0 [ 6828.762294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6828.762294][ T10] ___sys_sendmsg+0xee/0x170 [ 6828.762294][ T10] __sys_sendmsg+0xcd/0x170 [ 6828.762294][ T10] do_syscall_64+0xc6/0x1e0 [ 6828.762294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.762294][ T10] [ 6828.764006][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6828.764006][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6828.764006][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6828.764006][ T10] ipv6_find_idev+0x102/0x170 [ 6828.764006][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6828.764006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.764006][ T10] netlink_rcv_skb+0x130/0x360 [ 6828.764006][ T10] netlink_unicast+0x449/0x710 [ 6828.764006][ T10] netlink_sendmsg+0x723/0xbe0 [ 6828.764006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6828.764006][ T10] ___sys_sendmsg+0xee/0x170 [ 6828.764006][ T10] __sys_sendmsg+0xcd/0x170 [ 6828.764006][ T10] do_syscall_64+0xc6/0x1e0 [ 6828.764006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.764006][ T10] [ 6828.765865][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6828.766158][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6828.766158][ T10] netdev_get_by_index+0x5e/0x80 [ 6828.766158][ T10] fib6_nh_init+0x3d8/0x1580 [ 6828.766158][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6828.766158][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6828.766158][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6828.766158][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6828.766158][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6828.766158][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6828.766158][ T10] addrconf_dad_begin+0x310/0x670 [ 6828.766158][ T10] addrconf_dad_work+0x10b/0xab0 [ 6828.766158][ T10] process_one_work+0x84d/0x18a0 [ 6828.766158][ T10] worker_thread+0x587/0xd30 [ 6828.766158][ T10] kthread+0x28a/0x350 [ 6828.766158][ T10] ret_from_fork+0x31/0x70 [ 6828.766158][ T10] ret_from_fork_asm+0x1a/0x30 [ 6828.766158][ T10] [ 6828.768267][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6828.768267][ T10] netdev_get_by_index+0x5e/0x80 [ 6828.768267][ T10] fib6_nh_init+0x3d8/0x1580 [ 6828.768267][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6828.768267][ T10] ip6_route_add+0x1c/0x140 [ 6828.768267][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6828.768267][ T10] inet6_addr_add+0x4f8/0xa40 [ 6828.768267][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6828.768267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.768267][ T10] netlink_rcv_skb+0x130/0x360 [ 6828.768267][ T10] netlink_unicast+0x449/0x710 [ 6828.768267][ T10] netlink_sendmsg+0x723/0xbe0 [ 6828.768267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6828.768267][ T10] ___sys_sendmsg+0xee/0x170 [ 6828.768267][ T10] __sys_sendmsg+0xcd/0x170 [ 6828.768267][ T10] do_syscall_64+0xc6/0x1e0 [ 6828.768267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.768267][ T10] [ 6828.770475][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6828.770475][ T10] netdev_get_by_index+0x5e/0x80 [ 6828.770475][ T10] fib6_nh_init+0x3d8/0x1580 [ 6828.770475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6828.770475][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6828.770475][ T10] ipv6_add_addr+0x411/0x2000 [ 6828.770475][ T10] inet6_addr_add+0x30e/0xa40 [ 6828.770475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6828.770475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.770475][ T10] netlink_rcv_skb+0x130/0x360 [ 6828.770475][ T10] netlink_unicast+0x449/0x710 [ 6828.770475][ T10] netlink_sendmsg+0x723/0xbe0 [ 6828.770475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6828.770475][ T10] ___sys_sendmsg+0xee/0x170 [ 6828.770475][ T10] __sys_sendmsg+0xcd/0x170 [ 6828.770475][ T10] do_syscall_64+0xc6/0x1e0 [ 6828.770475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.770475][ T10] [ 6828.772687][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6828.772687][ T10] netdev_get_by_index+0x5e/0x80 [ 6828.772687][ T10] fib6_nh_init+0x3d8/0x1580 [ 6828.772687][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6828.772687][ T10] ip6_route_add+0x1c/0x140 [ 6828.772687][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6828.772687][ T10] addrconf_add_dev+0xe2/0x170 [ 6828.772687][ T10] inet6_addr_add+0x12f/0xa40 [ 6828.772687][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6828.772687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.772687][ T10] netlink_rcv_skb+0x130/0x360 [ 6828.772687][ T10] netlink_unicast+0x449/0x710 [ 6828.772687][ T10] netlink_sendmsg+0x723/0xbe0 [ 6828.772687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6828.772687][ T10] ___sys_sendmsg+0xee/0x170 [ 6828.772687][ T10] __sys_sendmsg+0xcd/0x170 [ 6828.772687][ T10] do_syscall_64+0xc6/0x1e0 [ 6828.772687][ T10] [ 6828.774867][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6828.774867][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6828.774867][ T10] ipv6_find_idev+0x102/0x170 [ 6828.774867][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6828.774867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.774867][ T10] netlink_rcv_skb+0x130/0x360 [ 6828.774867][ T10] netlink_unicast+0x449/0x710 [ 6828.774867][ T10] netlink_sendmsg+0x723/0xbe0 [ 6828.774867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6828.774867][ T10] ___sys_sendmsg+0xee/0x170 [ 6828.774867][ T10] __sys_sendmsg+0xcd/0x170 [ 6828.774867][ T10] do_syscall_64+0xc6/0x1e0 [ 6828.774867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.774867][ T10] [ 6828.776573][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6828.776573][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6828.776573][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6828.776573][ T10] ipv6_find_idev+0x102/0x170 [ 6828.776573][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6828.776573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.776573][ T10] netlink_rcv_skb+0x130/0x360 [ 6828.776573][ T10] netlink_unicast+0x449/0x710 [ 6828.776573][ T10] netlink_sendmsg+0x723/0xbe0 [ 6828.776573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6828.776573][ T10] ___sys_sendmsg+0xee/0x170 [ 6828.776573][ T10] __sys_sendmsg+0xcd/0x170 [ 6828.776573][ T10] do_syscall_64+0xc6/0x1e0 [ 6828.776573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.776573][ T10] [ 6828.778425][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6828.778706][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6828.778706][ T10] netdev_get_by_index+0x5e/0x80 [ 6828.778706][ T10] fib6_nh_init+0x3d8/0x1580 [ 6828.778706][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6828.778706][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6828.778706][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6828.778706][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6828.778706][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6828.778706][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6828.778706][ T10] addrconf_dad_begin+0x310/0x670 [ 6828.778706][ T10] addrconf_dad_work+0x10b/0xab0 [ 6828.778706][ T10] process_one_work+0x84d/0x18a0 [ 6828.778706][ T10] worker_thread+0x587/0xd30 [ 6828.778706][ T10] kthread+0x28a/0x350 [ 6828.778706][ T10] ret_from_fork+0x31/0x70 [ 6828.778706][ T10] ret_from_fork_asm+0x1a/0x30 [ 6828.778706][ T10] [ 6828.780822][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6828.780822][ T10] netdev_get_by_index+0x5e/0x80 [ 6828.780822][ T10] fib6_nh_init+0x3d8/0x1580 [ 6828.780822][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6828.780822][ T10] ip6_route_add+0x1c/0x140 [ 6828.780822][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6828.780822][ T10] inet6_addr_add+0x4f8/0xa40 [ 6828.780822][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6828.780822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.780822][ T10] netlink_rcv_skb+0x130/0x360 [ 6828.780822][ T10] netlink_unicast+0x449/0x710 [ 6828.780822][ T10] netlink_sendmsg+0x723/0xbe0 [ 6828.780822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6828.780822][ T10] ___sys_sendmsg+0xee/0x170 [ 6828.780822][ T10] __sys_sendmsg+0xcd/0x170 [ 6828.780822][ T10] do_syscall_64+0xc6/0x1e0 [ 6828.780822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.780822][ T10] [ 6828.783215][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6828.783215][ T10] netdev_get_by_index+0x5e/0x80 [ 6828.783215][ T10] fib6_nh_init+0x3d8/0x1580 [ 6828.783215][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6828.783215][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6828.783215][ T10] ipv6_add_addr+0x411/0x2000 [ 6828.783215][ T10] inet6_addr_add+0x30e/0xa40 [ 6828.783215][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6828.783215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.783215][ T10] netlink_rcv_skb+0x130/0x360 [ 6828.783215][ T10] netlink_unicast+0x449/0x710 [ 6828.783215][ T10] netlink_sendmsg+0x723/0xbe0 [ 6828.783215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6828.783215][ T10] ___sys_sendmsg+0xee/0x170 [ 6828.783215][ T10] __sys_sendmsg+0xcd/0x170 [ 6828.783215][ T10] do_syscall_64+0xc6/0x1e0 [ 6828.783215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.783215][ T10] [ 6828.785719][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6828.785719][ T10] netdev_get_by_index+0x5e/0x80 [ 6828.785719][ T10] fib6_nh_init+0x3d8/0x1580 [ 6828.785719][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6828.785719][ T10] ip6_route_add+0x1c/0x140 [ 6828.785719][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6828.785719][ T10] addrconf_add_dev+0xe2/0x170 [ 6828.785719][ T10] inet6_addr_add+0x12f/0xa40 [ 6828.785719][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6828.785719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.785719][ T10] netlink_rcv_skb+0x130/0x360 [ 6828.785719][ T10] netlink_unicast+0x449/0x710 [ 6828.785719][ T10] netlink_sendmsg+0x723/0xbe0 [ 6828.785719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6828.785719][ T10] ___sys_sendmsg+0xee/0x170 [ 6828.785719][ T10] __sys_sendmsg+0xcd/0x170 [ 6828.785719][ T10] do_syscall_64+0xc6/0x1e0 [ 6828.785719][ T10] [ 6828.788080][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6828.788080][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6828.788080][ T10] ipv6_find_idev+0x102/0x170 [ 6828.788080][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6828.788080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.788080][ T10] netlink_rcv_skb+0x130/0x360 [ 6828.788080][ T10] netlink_unicast+0x449/0x710 [ 6828.788080][ T10] netlink_sendmsg+0x723/0xbe0 [ 6828.788080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6828.788080][ T10] ___sys_sendmsg+0xee/0x170 [ 6828.788080][ T10] __sys_sendmsg+0xcd/0x170 [ 6828.788080][ T10] do_syscall_64+0xc6/0x1e0 [ 6828.788080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.788080][ T10] [ 6828.789963][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6828.789963][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6828.789963][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6828.789963][ T10] ipv6_find_idev+0x102/0x170 [ 6828.789963][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6828.789963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.789963][ T10] netlink_rcv_skb+0x130/0x360 [ 6828.789963][ T10] netlink_unicast+0x449/0x710 [ 6828.789963][ T10] netlink_sendmsg+0x723/0xbe0 [ 6828.789963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6828.789963][ T10] ___sys_sendmsg+0xee/0x170 [ 6828.789963][ T10] __sys_sendmsg+0xcd/0x170 [ 6828.789963][ T10] do_syscall_64+0xc6/0x1e0 [ 6828.789963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.789963][ T10] [ 6828.792066][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6828.792330][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6828.792330][ T10] netdev_get_by_index+0x5e/0x80 [ 6828.792330][ T10] fib6_nh_init+0x3d8/0x1580 [ 6828.792330][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6828.792330][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6828.792330][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6828.792330][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6828.792330][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6828.792330][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6828.792330][ T10] addrconf_dad_begin+0x310/0x670 [ 6828.792330][ T10] addrconf_dad_work+0x10b/0xab0 [ 6828.792330][ T10] process_one_work+0x84d/0x18a0 [ 6828.792330][ T10] worker_thread+0x587/0xd30 [ 6828.792330][ T10] kthread+0x28a/0x350 [ 6828.792330][ T10] ret_from_fork+0x31/0x70 [ 6828.792330][ T10] ret_from_fork_asm+0x1a/0x30 [ 6828.792330][ T10] [ 6828.794747][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6828.794747][ T10] netdev_get_by_index+0x5e/0x80 [ 6828.794747][ T10] fib6_nh_init+0x3d8/0x1580 [ 6828.794747][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6828.794747][ T10] ip6_route_add+0x1c/0x140 [ 6828.794747][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6828.794747][ T10] inet6_addr_add+0x4f8/0xa40 [ 6828.794747][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6828.794747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.794747][ T10] netlink_rcv_skb+0x130/0x360 [ 6828.794747][ T10] netlink_unicast+0x449/0x710 [ 6828.794747][ T10] netlink_sendmsg+0x723/0xbe0 [ 6828.794747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6828.794747][ T10] ___sys_sendmsg+0xee/0x170 [ 6828.794747][ T10] __sys_sendmsg+0xcd/0x170 [ 6828.794747][ T10] do_syscall_64+0xc6/0x1e0 [ 6828.794747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.794747][ T10] [ 6828.797141][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6828.797141][ T10] netdev_get_by_index+0x5e/0x80 [ 6828.797141][ T10] fib6_nh_init+0x3d8/0x1580 [ 6828.797141][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6828.797141][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6828.797141][ T10] ipv6_add_addr+0x411/0x2000 [ 6828.797141][ T10] inet6_addr_add+0x30e/0xa40 [ 6828.797141][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6828.797141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.797141][ T10] netlink_rcv_skb+0x130/0x360 [ 6828.797141][ T10] netlink_unicast+0x449/0x710 [ 6828.797141][ T10] netlink_sendmsg+0x723/0xbe0 [ 6828.797141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6828.797141][ T10] ___sys_sendmsg+0xee/0x170 [ 6828.797141][ T10] __sys_sendmsg+0xcd/0x170 [ 6828.797141][ T10] do_syscall_64+0xc6/0x1e0 [ 6828.797141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.797141][ T10] [ 6828.799596][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6828.799596][ T10] netdev_get_by_index+0x5e/0x80 [ 6828.799596][ T10] fib6_nh_init+0x3d8/0x1580 [ 6828.799596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6828.799596][ T10] ip6_route_add+0x1c/0x140 [ 6828.799596][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6828.799596][ T10] addrconf_add_dev+0xe2/0x170 [ 6828.799596][ T10] inet6_addr_add+0x12f/0xa40 [ 6828.799596][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6828.799596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.799596][ T10] netlink_rcv_skb+0x130/0x360 [ 6828.799596][ T10] netlink_unicast+0x449/0x710 [ 6828.799596][ T10] netlink_sendmsg+0x723/0xbe0 [ 6828.799596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6828.799596][ T10] ___sys_sendmsg+0xee/0x170 [ 6828.799596][ T10] __sys_sendmsg+0xcd/0x170 [ 6828.799596][ T10] do_syscall_64+0xc6/0x1e0 [ 6828.799596][ T10] [ 6828.802014][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6828.802014][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6828.802014][ T10] ipv6_find_idev+0x102/0x170 [ 6828.802014][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6828.802014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.802014][ T10] netlink_rcv_skb+0x130/0x360 [ 6828.802014][ T10] netlink_unicast+0x449/0x710 [ 6828.802014][ T10] netlink_sendmsg+0x723/0xbe0 [ 6828.802014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6828.802014][ T10] ___sys_sendmsg+0xee/0x170 [ 6828.802014][ T10] __sys_sendmsg+0xcd/0x170 [ 6828.802014][ T10] do_syscall_64+0xc6/0x1e0 [ 6828.802014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.802014][ T10] [ 6828.803895][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6828.803895][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6828.803895][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6828.803895][ T10] ipv6_find_idev+0x102/0x170 [ 6828.803895][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6828.803895][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6828.803895][ T10] netlink_rcv_skb+0x130/0x360 [ 6828.803895][ T10] netlink_unicast+0x449/0x710 [ 6828.803895][ T10] netlink_sendmsg+0x723/0xbe0 [ 6828.803895][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6828.803895][ T10] ___sys_sendmsg+0xee/0x170 [ 6828.803895][ T10] __sys_sendmsg+0xcd/0x170 [ 6828.803895][ T10] do_syscall_64+0xc6/0x1e0 [ 6828.803895][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6828.803895][ T10] [ 6835.817023][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6835.817540][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6835.817540][ T1167] dst_init+0x84/0x4a0 [ 6835.817540][ T1167] dst_alloc+0x97/0x150 [ 6835.817540][ T1167] ip6_dst_alloc+0x23/0x90 [ 6835.817540][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6835.817540][ T1167] ip6_pol_route+0x56f/0x840 [ 6835.817540][ T1167] fib6_rule_lookup+0x334/0x630 [ 6835.817540][ T1167] ip6_route_output_flags+0x259/0x480 [ 6835.817540][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6835.817540][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6835.817540][ T1167] netlink_rcv_skb+0x130/0x360 [ 6835.817540][ T1167] netlink_unicast+0x449/0x710 [ 6835.817540][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6835.817540][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6835.817540][ T1167] ___sys_sendmsg+0xee/0x170 [ 6835.817540][ T1167] __sys_sendmsg+0xcd/0x170 [ 6835.817540][ T1167] do_syscall_64+0xc6/0x1e0 [ 6835.817540][ T1167] [ 6835.820009][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6835.820009][ T1167] netdev_get_by_index+0x5e/0x80 [ 6835.820009][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6835.820009][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6835.820009][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6835.820009][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6835.820009][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6835.820009][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6835.820009][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6835.820009][ T1167] addrconf_dad_begin+0x310/0x670 [ 6835.820009][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6835.820009][ T1167] process_one_work+0x84d/0x18a0 [ 6835.820009][ T1167] worker_thread+0x587/0xd30 [ 6835.820009][ T1167] kthread+0x28a/0x350 [ 6835.820009][ T1167] ret_from_fork+0x31/0x70 [ 6835.820009][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6835.820009][ T1167] [ 6835.822373][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6835.822373][ T1167] netdev_get_by_index+0x5e/0x80 [ 6835.822373][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6835.822373][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6835.822373][ T1167] ip6_route_add+0x1c/0x140 [ 6835.822373][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6835.822373][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6835.822373][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6835.822373][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6835.822373][ T1167] netlink_rcv_skb+0x130/0x360 [ 6835.822373][ T1167] netlink_unicast+0x449/0x710 [ 6835.822373][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6835.822373][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6835.822373][ T1167] ___sys_sendmsg+0xee/0x170 [ 6835.822373][ T1167] __sys_sendmsg+0xcd/0x170 [ 6835.822373][ T1167] do_syscall_64+0xc6/0x1e0 [ 6835.822373][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6835.822373][ T1167] [ 6835.824892][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6835.824892][ T1167] netdev_get_by_index+0x5e/0x80 [ 6835.824892][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6835.824892][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6835.824892][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6835.824892][ T1167] ipv6_add_addr+0x411/0x2000 [ 6835.824892][ T1167] inet6_addr_add+0x30e/0xa40 [ 6835.824892][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6835.824892][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6835.824892][ T1167] netlink_rcv_skb+0x130/0x360 [ 6835.824892][ T1167] netlink_unicast+0x449/0x710 [ 6835.824892][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6835.824892][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6835.824892][ T1167] ___sys_sendmsg+0xee/0x170 [ 6835.824892][ T1167] __sys_sendmsg+0xcd/0x170 [ 6835.824892][ T1167] do_syscall_64+0xc6/0x1e0 [ 6835.824892][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6835.824892][ T1167] [ 6835.827379][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6835.827379][ T1167] netdev_get_by_index+0x5e/0x80 [ 6835.827379][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6835.827379][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6835.827379][ T1167] ip6_route_add+0x1c/0x140 [ 6835.827379][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6835.827379][ T1167] addrconf_add_dev+0xe2/0x170 [ 6835.827379][ T1167] inet6_addr_add+0x12f/0xa40 [ 6835.827379][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6835.827379][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6835.827379][ T1167] netlink_rcv_skb+0x130/0x360 [ 6835.827379][ T1167] netlink_unicast+0x449/0x710 [ 6835.827379][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6835.827379][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6835.827379][ T1167] ___sys_sendmsg+0xee/0x170 [ 6835.827379][ T1167] __sys_sendmsg+0xcd/0x170 [ 6835.827379][ T1167] do_syscall_64+0xc6/0x1e0 [ 6835.827379][ T1167] [ 6835.829861][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6835.829861][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6835.829861][ T1167] ipv6_find_idev+0x102/0x170 [ 6835.829861][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6835.829861][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6835.829861][ T1167] netlink_rcv_skb+0x130/0x360 [ 6835.829861][ T1167] netlink_unicast+0x449/0x710 [ 6835.829861][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6835.829861][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6835.829861][ T1167] ___sys_sendmsg+0xee/0x170 [ 6835.829861][ T1167] __sys_sendmsg+0xcd/0x170 [ 6835.829861][ T1167] do_syscall_64+0xc6/0x1e0 [ 6835.829861][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6835.829861][ T1167] [ 6835.831786][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6835.831786][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6835.831786][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6835.831786][ T1167] ipv6_find_idev+0x102/0x170 [ 6835.831786][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6835.831786][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6835.831786][ T1167] netlink_rcv_skb+0x130/0x360 [ 6835.831786][ T1167] netlink_unicast+0x449/0x710 [ 6835.831786][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6835.831786][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6835.831786][ T1167] ___sys_sendmsg+0xee/0x170 [ 6835.831786][ T1167] __sys_sendmsg+0xcd/0x170 [ 6835.831786][ T1167] do_syscall_64+0xc6/0x1e0 [ 6835.831786][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6835.831786][ T1167] [ 6839.049036][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6839.049461][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6839.049461][ T10] netdev_get_by_index+0x5e/0x80 [ 6839.049461][ T10] fib6_nh_init+0x3d8/0x1580 [ 6839.049461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6839.049461][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6839.049461][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6839.049461][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6839.049461][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6839.049461][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6839.049461][ T10] addrconf_dad_begin+0x310/0x670 [ 6839.049461][ T10] addrconf_dad_work+0x10b/0xab0 [ 6839.049461][ T10] process_one_work+0x84d/0x18a0 [ 6839.049461][ T10] worker_thread+0x587/0xd30 [ 6839.049461][ T10] kthread+0x28a/0x350 [ 6839.049461][ T10] ret_from_fork+0x31/0x70 [ 6839.049461][ T10] ret_from_fork_asm+0x1a/0x30 [ 6839.049461][ T10] [ 6839.051611][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6839.051611][ T10] netdev_get_by_index+0x5e/0x80 [ 6839.051611][ T10] fib6_nh_init+0x3d8/0x1580 [ 6839.051611][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6839.051611][ T10] ip6_route_add+0x1c/0x140 [ 6839.051611][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6839.051611][ T10] inet6_addr_add+0x4f8/0xa40 [ 6839.051611][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6839.051611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6839.051611][ T10] netlink_rcv_skb+0x130/0x360 [ 6839.051611][ T10] netlink_unicast+0x449/0x710 [ 6839.051611][ T10] netlink_sendmsg+0x723/0xbe0 [ 6839.051611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6839.051611][ T10] ___sys_sendmsg+0xee/0x170 [ 6839.051611][ T10] __sys_sendmsg+0xcd/0x170 [ 6839.051611][ T10] do_syscall_64+0xc6/0x1e0 [ 6839.051611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6839.051611][ T10] [ 6839.053843][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6839.053843][ T10] netdev_get_by_index+0x5e/0x80 [ 6839.053843][ T10] fib6_nh_init+0x3d8/0x1580 [ 6839.053843][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6839.053843][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6839.053843][ T10] ipv6_add_addr+0x411/0x2000 [ 6839.053843][ T10] inet6_addr_add+0x30e/0xa40 [ 6839.053843][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6839.053843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6839.053843][ T10] netlink_rcv_skb+0x130/0x360 [ 6839.053843][ T10] netlink_unicast+0x449/0x710 [ 6839.053843][ T10] netlink_sendmsg+0x723/0xbe0 [ 6839.053843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6839.053843][ T10] ___sys_sendmsg+0xee/0x170 [ 6839.053843][ T10] __sys_sendmsg+0xcd/0x170 [ 6839.053843][ T10] do_syscall_64+0xc6/0x1e0 [ 6839.053843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6839.053843][ T10] [ 6839.056079][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6839.056079][ T10] netdev_get_by_index+0x5e/0x80 [ 6839.056079][ T10] fib6_nh_init+0x3d8/0x1580 [ 6839.056079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6839.056079][ T10] ip6_route_add+0x1c/0x140 [ 6839.056079][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6839.056079][ T10] addrconf_add_dev+0xe2/0x170 [ 6839.056079][ T10] inet6_addr_add+0x12f/0xa40 [ 6839.056079][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6839.056079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6839.056079][ T10] netlink_rcv_skb+0x130/0x360 [ 6839.056079][ T10] netlink_unicast+0x449/0x710 [ 6839.056079][ T10] netlink_sendmsg+0x723/0xbe0 [ 6839.056079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6839.056079][ T10] ___sys_sendmsg+0xee/0x170 [ 6839.056079][ T10] __sys_sendmsg+0xcd/0x170 [ 6839.056079][ T10] do_syscall_64+0xc6/0x1e0 [ 6839.056079][ T10] [ 6839.058250][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6839.058250][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6839.058250][ T10] ipv6_find_idev+0x102/0x170 [ 6839.058250][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6839.058250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6839.058250][ T10] netlink_rcv_skb+0x130/0x360 [ 6839.058250][ T10] netlink_unicast+0x449/0x710 [ 6839.058250][ T10] netlink_sendmsg+0x723/0xbe0 [ 6839.058250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6839.058250][ T10] ___sys_sendmsg+0xee/0x170 [ 6839.058250][ T10] __sys_sendmsg+0xcd/0x170 [ 6839.058250][ T10] do_syscall_64+0xc6/0x1e0 [ 6839.058250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6839.058250][ T10] [ 6839.059949][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6839.059949][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6839.059949][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6839.059949][ T10] ipv6_find_idev+0x102/0x170 [ 6839.059949][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6839.059949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6839.059949][ T10] netlink_rcv_skb+0x130/0x360 [ 6839.059949][ T10] netlink_unicast+0x449/0x710 [ 6839.059949][ T10] netlink_sendmsg+0x723/0xbe0 [ 6839.059949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6839.059949][ T10] ___sys_sendmsg+0xee/0x170 [ 6839.059949][ T10] __sys_sendmsg+0xcd/0x170 [ 6839.059949][ T10] do_syscall_64+0xc6/0x1e0 [ 6839.059949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6839.059949][ T10] [ 6839.061822][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6839.062095][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6839.062095][ T10] netdev_get_by_index+0x5e/0x80 [ 6839.062095][ T10] fib6_nh_init+0x3d8/0x1580 [ 6839.062095][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6839.062095][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6839.062095][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6839.062095][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6839.062095][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6839.062095][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6839.062095][ T10] addrconf_dad_begin+0x310/0x670 [ 6839.062095][ T10] addrconf_dad_work+0x10b/0xab0 [ 6839.062095][ T10] process_one_work+0x84d/0x18a0 [ 6839.062095][ T10] worker_thread+0x587/0xd30 [ 6839.062095][ T10] kthread+0x28a/0x350 [ 6839.062095][ T10] ret_from_fork+0x31/0x70 [ 6839.062095][ T10] ret_from_fork_asm+0x1a/0x30 [ 6839.062095][ T10] [ 6839.064200][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6839.064200][ T10] netdev_get_by_index+0x5e/0x80 [ 6839.064200][ T10] fib6_nh_init+0x3d8/0x1580 [ 6839.064200][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6839.064200][ T10] ip6_route_add+0x1c/0x140 [ 6839.064200][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6839.064200][ T10] inet6_addr_add+0x4f8/0xa40 [ 6839.064200][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6839.064200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6839.064200][ T10] netlink_rcv_skb+0x130/0x360 [ 6839.064200][ T10] netlink_unicast+0x449/0x710 [ 6839.064200][ T10] netlink_sendmsg+0x723/0xbe0 [ 6839.064200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6839.064200][ T10] ___sys_sendmsg+0xee/0x170 [ 6839.064200][ T10] __sys_sendmsg+0xcd/0x170 [ 6839.064200][ T10] do_syscall_64+0xc6/0x1e0 [ 6839.064200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6839.064200][ T10] [ 6839.066420][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6839.066420][ T10] netdev_get_by_index+0x5e/0x80 [ 6839.066420][ T10] fib6_nh_init+0x3d8/0x1580 [ 6839.066420][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6839.066420][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6839.066420][ T10] ipv6_add_addr+0x411/0x2000 [ 6839.066420][ T10] inet6_addr_add+0x30e/0xa40 [ 6839.066420][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6839.066420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6839.066420][ T10] netlink_rcv_skb+0x130/0x360 [ 6839.066420][ T10] netlink_unicast+0x449/0x710 [ 6839.066420][ T10] netlink_sendmsg+0x723/0xbe0 [ 6839.066420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6839.066420][ T10] ___sys_sendmsg+0xee/0x170 [ 6839.066420][ T10] __sys_sendmsg+0xcd/0x170 [ 6839.066420][ T10] do_syscall_64+0xc6/0x1e0 [ 6839.066420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6839.066420][ T10] [ 6839.068623][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6839.068623][ T10] netdev_get_by_index+0x5e/0x80 [ 6839.068623][ T10] fib6_nh_init+0x3d8/0x1580 [ 6839.068623][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6839.068623][ T10] ip6_route_add+0x1c/0x140 [ 6839.068623][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6839.068623][ T10] addrconf_add_dev+0xe2/0x170 [ 6839.068623][ T10] inet6_addr_add+0x12f/0xa40 [ 6839.068623][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6839.068623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6839.068623][ T10] netlink_rcv_skb+0x130/0x360 [ 6839.068623][ T10] netlink_unicast+0x449/0x710 [ 6839.068623][ T10] netlink_sendmsg+0x723/0xbe0 [ 6839.068623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6839.068623][ T10] ___sys_sendmsg+0xee/0x170 [ 6839.068623][ T10] __sys_sendmsg+0xcd/0x170 [ 6839.068623][ T10] do_syscall_64+0xc6/0x1e0 [ 6839.068623][ T10] [ 6839.070812][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6839.070812][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6839.070812][ T10] ipv6_find_idev+0x102/0x170 [ 6839.070812][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6839.070812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6839.070812][ T10] netlink_rcv_skb+0x130/0x360 [ 6839.070812][ T10] netlink_unicast+0x449/0x710 [ 6839.070812][ T10] netlink_sendmsg+0x723/0xbe0 [ 6839.070812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6839.070812][ T10] ___sys_sendmsg+0xee/0x170 [ 6839.070812][ T10] __sys_sendmsg+0xcd/0x170 [ 6839.070812][ T10] do_syscall_64+0xc6/0x1e0 [ 6839.070812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6839.070812][ T10] [ 6839.072529][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6839.072529][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6839.072529][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6839.072529][ T10] ipv6_find_idev+0x102/0x170 [ 6839.072529][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6839.072529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6839.072529][ T10] netlink_rcv_skb+0x130/0x360 [ 6839.072529][ T10] netlink_unicast+0x449/0x710 [ 6839.072529][ T10] netlink_sendmsg+0x723/0xbe0 [ 6839.072529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6839.072529][ T10] ___sys_sendmsg+0xee/0x170 [ 6839.072529][ T10] __sys_sendmsg+0xcd/0x170 [ 6839.072529][ T10] do_syscall_64+0xc6/0x1e0 [ 6839.072529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6839.072529][ T10] [ 6839.074409][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6839.074674][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6839.074674][ T10] netdev_get_by_index+0x5e/0x80 [ 6839.074674][ T10] fib6_nh_init+0x3d8/0x1580 [ 6839.074674][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6839.074674][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6839.074674][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6839.074674][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6839.074674][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6839.074674][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6839.074674][ T10] addrconf_dad_begin+0x310/0x670 [ 6839.074674][ T10] addrconf_dad_work+0x10b/0xab0 [ 6839.074674][ T10] process_one_work+0x84d/0x18a0 [ 6839.074674][ T10] worker_thread+0x587/0xd30 [ 6839.074674][ T10] kthread+0x28a/0x350 [ 6839.074674][ T10] ret_from_fork+0x31/0x70 [ 6839.074674][ T10] ret_from_fork_asm+0x1a/0x30 [ 6839.074674][ T10] [ 6839.076809][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6839.076809][ T10] netdev_get_by_index+0x5e/0x80 [ 6839.076809][ T10] fib6_nh_init+0x3d8/0x1580 [ 6839.076809][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6839.076809][ T10] ip6_route_add+0x1c/0x140 [ 6839.076809][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6839.076809][ T10] inet6_addr_add+0x4f8/0xa40 [ 6839.076809][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6839.076809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6839.076809][ T10] netlink_rcv_skb+0x130/0x360 [ 6839.076809][ T10] netlink_unicast+0x449/0x710 [ 6839.076809][ T10] netlink_sendmsg+0x723/0xbe0 [ 6839.076809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6839.076809][ T10] ___sys_sendmsg+0xee/0x170 [ 6839.076809][ T10] __sys_sendmsg+0xcd/0x170 [ 6839.076809][ T10] do_syscall_64+0xc6/0x1e0 [ 6839.076809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6839.076809][ T10] [ 6839.079447][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6839.079447][ T10] netdev_get_by_index+0x5e/0x80 [ 6839.079447][ T10] fib6_nh_init+0x3d8/0x1580 [ 6839.079447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6839.079447][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6839.079447][ T10] ipv6_add_addr+0x411/0x2000 [ 6839.079447][ T10] inet6_addr_add+0x30e/0xa40 [ 6839.079447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6839.079447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6839.079447][ T10] netlink_rcv_skb+0x130/0x360 [ 6839.079447][ T10] netlink_unicast+0x449/0x710 [ 6839.079447][ T10] netlink_sendmsg+0x723/0xbe0 [ 6839.079447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6839.079447][ T10] ___sys_sendmsg+0xee/0x170 [ 6839.079447][ T10] __sys_sendmsg+0xcd/0x170 [ 6839.079447][ T10] do_syscall_64+0xc6/0x1e0 [ 6839.079447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6839.079447][ T10] [ 6839.081819][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6839.081819][ T10] netdev_get_by_index+0x5e/0x80 [ 6839.081819][ T10] fib6_nh_init+0x3d8/0x1580 [ 6839.081819][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6839.081819][ T10] ip6_route_add+0x1c/0x140 [ 6839.081819][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6839.081819][ T10] addrconf_add_dev+0xe2/0x170 [ 6839.081819][ T10] inet6_addr_add+0x12f/0xa40 [ 6839.081819][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6839.081819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6839.081819][ T10] netlink_rcv_skb+0x130/0x360 [ 6839.081819][ T10] netlink_unicast+0x449/0x710 [ 6839.081819][ T10] netlink_sendmsg+0x723/0xbe0 [ 6839.081819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6839.081819][ T10] ___sys_sendmsg+0xee/0x170 [ 6839.081819][ T10] __sys_sendmsg+0xcd/0x170 [ 6839.081819][ T10] do_syscall_64+0xc6/0x1e0 [ 6839.081819][ T10] [ 6839.084126][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6839.084126][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6839.084126][ T10] ipv6_find_idev+0x102/0x170 [ 6839.084126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6839.084126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6839.084126][ T10] netlink_rcv_skb+0x130/0x360 [ 6839.084126][ T10] netlink_unicast+0x449/0x710 [ 6839.084126][ T10] netlink_sendmsg+0x723/0xbe0 [ 6839.084126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6839.084126][ T10] ___sys_sendmsg+0xee/0x170 [ 6839.084126][ T10] __sys_sendmsg+0xcd/0x170 [ 6839.084126][ T10] do_syscall_64+0xc6/0x1e0 [ 6839.084126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6839.084126][ T10] [ 6839.085906][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6839.085906][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6839.085906][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6839.085906][ T10] ipv6_find_idev+0x102/0x170 [ 6839.085906][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6839.085906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6839.085906][ T10] netlink_rcv_skb+0x130/0x360 [ 6839.085906][ T10] netlink_unicast+0x449/0x710 [ 6839.085906][ T10] netlink_sendmsg+0x723/0xbe0 [ 6839.085906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6839.085906][ T10] ___sys_sendmsg+0xee/0x170 [ 6839.085906][ T10] __sys_sendmsg+0xcd/0x170 [ 6839.085906][ T10] do_syscall_64+0xc6/0x1e0 [ 6839.085906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6839.085906][ T10] [ 6839.087924][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6839.088615][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6839.088615][ T10] netdev_get_by_index+0x5e/0x80 [ 6839.088615][ T10] fib6_nh_init+0x3d8/0x1580 [ 6839.088615][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6839.088615][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6839.088615][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6839.088615][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6839.088615][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6839.088615][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6839.088615][ T10] addrconf_dad_begin+0x310/0x670 [ 6839.088615][ T10] addrconf_dad_work+0x10b/0xab0 [ 6839.088615][ T10] process_one_work+0x84d/0x18a0 [ 6839.088615][ T10] worker_thread+0x587/0xd30 [ 6839.088615][ T10] kthread+0x28a/0x350 [ 6839.088615][ T10] ret_from_fork+0x31/0x70 [ 6839.088615][ T10] ret_from_fork_asm+0x1a/0x30 [ 6839.088615][ T10] [ 6839.090731][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6839.090731][ T10] netdev_get_by_index+0x5e/0x80 [ 6839.090731][ T10] fib6_nh_init+0x3d8/0x1580 [ 6839.090731][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6839.090731][ T10] ip6_route_add+0x1c/0x140 [ 6839.090731][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6839.090731][ T10] inet6_addr_add+0x4f8/0xa40 [ 6839.090731][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6839.090731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6839.090731][ T10] netlink_rcv_skb+0x130/0x360 [ 6839.090731][ T10] netlink_unicast+0x449/0x710 [ 6839.090731][ T10] netlink_sendmsg+0x723/0xbe0 [ 6839.090731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6839.090731][ T10] ___sys_sendmsg+0xee/0x170 [ 6839.090731][ T10] __sys_sendmsg+0xcd/0x170 [ 6839.090731][ T10] do_syscall_64+0xc6/0x1e0 [ 6839.090731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6839.090731][ T10] [ 6839.093006][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6839.093006][ T10] netdev_get_by_index+0x5e/0x80 [ 6839.093006][ T10] fib6_nh_init+0x3d8/0x1580 [ 6839.093006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6839.093006][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6839.093006][ T10] ipv6_add_addr+0x411/0x2000 [ 6839.093006][ T10] inet6_addr_add+0x30e/0xa40 [ 6839.093006][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6839.093006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6839.093006][ T10] netlink_rcv_skb+0x130/0x360 [ 6839.093006][ T10] netlink_unicast+0x449/0x710 [ 6839.093006][ T10] netlink_sendmsg+0x723/0xbe0 [ 6839.093006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6839.093006][ T10] ___sys_sendmsg+0xee/0x170 [ 6839.093006][ T10] __sys_sendmsg+0xcd/0x170 [ 6839.093006][ T10] do_syscall_64+0xc6/0x1e0 [ 6839.093006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6839.093006][ T10] [ 6839.095372][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6839.095372][ T10] netdev_get_by_index+0x5e/0x80 [ 6839.095372][ T10] fib6_nh_init+0x3d8/0x1580 [ 6839.095372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6839.095372][ T10] ip6_route_add+0x1c/0x140 [ 6839.095372][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6839.095372][ T10] addrconf_add_dev+0xe2/0x170 [ 6839.095372][ T10] inet6_addr_add+0x12f/0xa40 [ 6839.095372][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6839.095372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6839.095372][ T10] netlink_rcv_skb+0x130/0x360 [ 6839.095372][ T10] netlink_unicast+0x449/0x710 [ 6839.095372][ T10] netlink_sendmsg+0x723/0xbe0 [ 6839.095372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6839.095372][ T10] ___sys_sendmsg+0xee/0x170 [ 6839.095372][ T10] __sys_sendmsg+0xcd/0x170 [ 6839.095372][ T10] do_syscall_64+0xc6/0x1e0 [ 6839.095372][ T10] [ 6839.097702][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6839.097702][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6839.097702][ T10] ipv6_find_idev+0x102/0x170 [ 6839.097702][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6839.097702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6839.097702][ T10] netlink_rcv_skb+0x130/0x360 [ 6839.097702][ T10] netlink_unicast+0x449/0x710 [ 6839.097702][ T10] netlink_sendmsg+0x723/0xbe0 [ 6839.097702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6839.097702][ T10] ___sys_sendmsg+0xee/0x170 [ 6839.097702][ T10] __sys_sendmsg+0xcd/0x170 [ 6839.097702][ T10] do_syscall_64+0xc6/0x1e0 [ 6839.097702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6839.097702][ T10] [ 6839.099486][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6839.099486][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6839.099486][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6839.099486][ T10] ipv6_find_idev+0x102/0x170 [ 6839.099486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6839.099486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6839.099486][ T10] netlink_rcv_skb+0x130/0x360 [ 6839.099486][ T10] netlink_unicast+0x449/0x710 [ 6839.099486][ T10] netlink_sendmsg+0x723/0xbe0 [ 6839.099486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6839.099486][ T10] ___sys_sendmsg+0xee/0x170 [ 6839.099486][ T10] __sys_sendmsg+0xcd/0x170 [ 6839.099486][ T10] do_syscall_64+0xc6/0x1e0 [ 6839.099486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6839.099486][ T10] [ 6846.073104][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6846.073603][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6846.073603][ T1167] dst_init+0x84/0x4a0 [ 6846.073603][ T1167] dst_alloc+0x97/0x150 [ 6846.073603][ T1167] ip6_dst_alloc+0x23/0x90 [ 6846.073603][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6846.073603][ T1167] ip6_pol_route+0x56f/0x840 [ 6846.073603][ T1167] fib6_rule_lookup+0x334/0x630 [ 6846.073603][ T1167] ip6_route_output_flags+0x259/0x480 [ 6846.073603][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6846.073603][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6846.073603][ T1167] netlink_rcv_skb+0x130/0x360 [ 6846.073603][ T1167] netlink_unicast+0x449/0x710 [ 6846.073603][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6846.073603][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6846.073603][ T1167] ___sys_sendmsg+0xee/0x170 [ 6846.073603][ T1167] __sys_sendmsg+0xcd/0x170 [ 6846.073603][ T1167] do_syscall_64+0xc6/0x1e0 [ 6846.073603][ T1167] [ 6846.076036][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6846.076036][ T1167] netdev_get_by_index+0x5e/0x80 [ 6846.076036][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6846.076036][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6846.076036][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6846.076036][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6846.076036][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6846.076036][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6846.076036][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6846.076036][ T1167] addrconf_dad_begin+0x310/0x670 [ 6846.076036][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6846.076036][ T1167] process_one_work+0x84d/0x18a0 [ 6846.076036][ T1167] worker_thread+0x587/0xd30 [ 6846.076036][ T1167] kthread+0x28a/0x350 [ 6846.076036][ T1167] ret_from_fork+0x31/0x70 [ 6846.076036][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6846.076036][ T1167] [ 6846.078403][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6846.078403][ T1167] netdev_get_by_index+0x5e/0x80 [ 6846.078403][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6846.078403][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6846.078403][ T1167] ip6_route_add+0x1c/0x140 [ 6846.078403][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6846.078403][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6846.078403][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6846.078403][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6846.078403][ T1167] netlink_rcv_skb+0x130/0x360 [ 6846.078403][ T1167] netlink_unicast+0x449/0x710 [ 6846.078403][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6846.078403][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6846.078403][ T1167] ___sys_sendmsg+0xee/0x170 [ 6846.078403][ T1167] __sys_sendmsg+0xcd/0x170 [ 6846.078403][ T1167] do_syscall_64+0xc6/0x1e0 [ 6846.078403][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6846.078403][ T1167] [ 6846.080874][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6846.080874][ T1167] netdev_get_by_index+0x5e/0x80 [ 6846.080874][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6846.080874][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6846.080874][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6846.080874][ T1167] ipv6_add_addr+0x411/0x2000 [ 6846.080874][ T1167] inet6_addr_add+0x30e/0xa40 [ 6846.080874][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6846.080874][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6846.080874][ T1167] netlink_rcv_skb+0x130/0x360 [ 6846.080874][ T1167] netlink_unicast+0x449/0x710 [ 6846.080874][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6846.080874][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6846.080874][ T1167] ___sys_sendmsg+0xee/0x170 [ 6846.080874][ T1167] __sys_sendmsg+0xcd/0x170 [ 6846.080874][ T1167] do_syscall_64+0xc6/0x1e0 [ 6846.080874][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6846.080874][ T1167] [ 6846.083355][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6846.083355][ T1167] netdev_get_by_index+0x5e/0x80 [ 6846.083355][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6846.083355][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6846.083355][ T1167] ip6_route_add+0x1c/0x140 [ 6846.083355][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6846.083355][ T1167] addrconf_add_dev+0xe2/0x170 [ 6846.083355][ T1167] inet6_addr_add+0x12f/0xa40 [ 6846.083355][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6846.083355][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6846.083355][ T1167] netlink_rcv_skb+0x130/0x360 [ 6846.083355][ T1167] netlink_unicast+0x449/0x710 [ 6846.083355][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6846.083355][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6846.083355][ T1167] ___sys_sendmsg+0xee/0x170 [ 6846.083355][ T1167] __sys_sendmsg+0xcd/0x170 [ 6846.083355][ T1167] do_syscall_64+0xc6/0x1e0 [ 6846.083355][ T1167] [ 6846.085785][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6846.085785][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6846.085785][ T1167] ipv6_find_idev+0x102/0x170 [ 6846.085785][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6846.085785][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6846.085785][ T1167] netlink_rcv_skb+0x130/0x360 [ 6846.085785][ T1167] netlink_unicast+0x449/0x710 [ 6846.085785][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6846.085785][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6846.085785][ T1167] ___sys_sendmsg+0xee/0x170 [ 6846.085785][ T1167] __sys_sendmsg+0xcd/0x170 [ 6846.085785][ T1167] do_syscall_64+0xc6/0x1e0 [ 6846.085785][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6846.085785][ T1167] [ 6846.087700][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6846.087700][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6846.087700][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6846.087700][ T1167] ipv6_find_idev+0x102/0x170 [ 6846.087700][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6846.087700][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6846.087700][ T1167] netlink_rcv_skb+0x130/0x360 [ 6846.087700][ T1167] netlink_unicast+0x449/0x710 [ 6846.087700][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6846.087700][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6846.087700][ T1167] ___sys_sendmsg+0xee/0x170 [ 6846.087700][ T1167] __sys_sendmsg+0xcd/0x170 [ 6846.087700][ T1167] do_syscall_64+0xc6/0x1e0 [ 6846.087700][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6846.087700][ T1167] [ 6849.337035][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6849.337463][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6849.337463][ T10] netdev_get_by_index+0x5e/0x80 [ 6849.337463][ T10] fib6_nh_init+0x3d8/0x1580 [ 6849.337463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6849.337463][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6849.337463][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6849.337463][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6849.337463][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6849.337463][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6849.337463][ T10] addrconf_dad_begin+0x310/0x670 [ 6849.337463][ T10] addrconf_dad_work+0x10b/0xab0 [ 6849.337463][ T10] process_one_work+0x84d/0x18a0 [ 6849.337463][ T10] worker_thread+0x587/0xd30 [ 6849.337463][ T10] kthread+0x28a/0x350 [ 6849.337463][ T10] ret_from_fork+0x31/0x70 [ 6849.337463][ T10] ret_from_fork_asm+0x1a/0x30 [ 6849.337463][ T10] [ 6849.339607][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6849.339607][ T10] netdev_get_by_index+0x5e/0x80 [ 6849.339607][ T10] fib6_nh_init+0x3d8/0x1580 [ 6849.339607][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6849.339607][ T10] ip6_route_add+0x1c/0x140 [ 6849.339607][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6849.339607][ T10] inet6_addr_add+0x4f8/0xa40 [ 6849.339607][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6849.339607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6849.339607][ T10] netlink_rcv_skb+0x130/0x360 [ 6849.339607][ T10] netlink_unicast+0x449/0x710 [ 6849.339607][ T10] netlink_sendmsg+0x723/0xbe0 [ 6849.339607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6849.339607][ T10] ___sys_sendmsg+0xee/0x170 [ 6849.339607][ T10] __sys_sendmsg+0xcd/0x170 [ 6849.339607][ T10] do_syscall_64+0xc6/0x1e0 [ 6849.339607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6849.339607][ T10] [ 6849.341828][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6849.341828][ T10] netdev_get_by_index+0x5e/0x80 [ 6849.341828][ T10] fib6_nh_init+0x3d8/0x1580 [ 6849.341828][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6849.341828][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6849.341828][ T10] ipv6_add_addr+0x411/0x2000 [ 6849.341828][ T10] inet6_addr_add+0x30e/0xa40 [ 6849.341828][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6849.341828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6849.341828][ T10] netlink_rcv_skb+0x130/0x360 [ 6849.341828][ T10] netlink_unicast+0x449/0x710 [ 6849.341828][ T10] netlink_sendmsg+0x723/0xbe0 [ 6849.341828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6849.341828][ T10] ___sys_sendmsg+0xee/0x170 [ 6849.341828][ T10] __sys_sendmsg+0xcd/0x170 [ 6849.341828][ T10] do_syscall_64+0xc6/0x1e0 [ 6849.341828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6849.341828][ T10] [ 6849.344049][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6849.344049][ T10] netdev_get_by_index+0x5e/0x80 [ 6849.344049][ T10] fib6_nh_init+0x3d8/0x1580 [ 6849.344049][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6849.344049][ T10] ip6_route_add+0x1c/0x140 [ 6849.344049][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6849.344049][ T10] addrconf_add_dev+0xe2/0x170 [ 6849.344049][ T10] inet6_addr_add+0x12f/0xa40 [ 6849.344049][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6849.344049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6849.344049][ T10] netlink_rcv_skb+0x130/0x360 [ 6849.344049][ T10] netlink_unicast+0x449/0x710 [ 6849.344049][ T10] netlink_sendmsg+0x723/0xbe0 [ 6849.344049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6849.344049][ T10] ___sys_sendmsg+0xee/0x170 [ 6849.344049][ T10] __sys_sendmsg+0xcd/0x170 [ 6849.344049][ T10] do_syscall_64+0xc6/0x1e0 [ 6849.344049][ T10] [ 6849.346235][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6849.346235][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6849.346235][ T10] ipv6_find_idev+0x102/0x170 [ 6849.346235][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6849.346235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6849.346235][ T10] netlink_rcv_skb+0x130/0x360 [ 6849.346235][ T10] netlink_unicast+0x449/0x710 [ 6849.346235][ T10] netlink_sendmsg+0x723/0xbe0 [ 6849.346235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6849.346235][ T10] ___sys_sendmsg+0xee/0x170 [ 6849.346235][ T10] __sys_sendmsg+0xcd/0x170 [ 6849.346235][ T10] do_syscall_64+0xc6/0x1e0 [ 6849.346235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6849.346235][ T10] [ 6849.347946][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6849.347946][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6849.347946][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6849.347946][ T10] ipv6_find_idev+0x102/0x170 [ 6849.347946][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6849.347946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6849.347946][ T10] netlink_rcv_skb+0x130/0x360 [ 6849.347946][ T10] netlink_unicast+0x449/0x710 [ 6849.347946][ T10] netlink_sendmsg+0x723/0xbe0 [ 6849.347946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6849.347946][ T10] ___sys_sendmsg+0xee/0x170 [ 6849.347946][ T10] __sys_sendmsg+0xcd/0x170 [ 6849.347946][ T10] do_syscall_64+0xc6/0x1e0 [ 6849.347946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6849.347946][ T10] [ 6849.349805][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6849.350079][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6849.350079][ T10] netdev_get_by_index+0x5e/0x80 [ 6849.350079][ T10] fib6_nh_init+0x3d8/0x1580 [ 6849.350079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6849.350079][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6849.350079][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6849.350079][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6849.350079][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6849.350079][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6849.350079][ T10] addrconf_dad_begin+0x310/0x670 [ 6849.350079][ T10] addrconf_dad_work+0x10b/0xab0 [ 6849.350079][ T10] process_one_work+0x84d/0x18a0 [ 6849.350079][ T10] worker_thread+0x587/0xd30 [ 6849.350079][ T10] kthread+0x28a/0x350 [ 6849.350079][ T10] ret_from_fork+0x31/0x70 [ 6849.350079][ T10] ret_from_fork_asm+0x1a/0x30 [ 6849.350079][ T10] [ 6849.352195][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6849.352195][ T10] netdev_get_by_index+0x5e/0x80 [ 6849.352195][ T10] fib6_nh_init+0x3d8/0x1580 [ 6849.352195][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6849.352195][ T10] ip6_route_add+0x1c/0x140 [ 6849.352195][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6849.352195][ T10] inet6_addr_add+0x4f8/0xa40 [ 6849.352195][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6849.352195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6849.352195][ T10] netlink_rcv_skb+0x130/0x360 [ 6849.352195][ T10] netlink_unicast+0x449/0x710 [ 6849.352195][ T10] netlink_sendmsg+0x723/0xbe0 [ 6849.352195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6849.352195][ T10] ___sys_sendmsg+0xee/0x170 [ 6849.352195][ T10] __sys_sendmsg+0xcd/0x170 [ 6849.352195][ T10] do_syscall_64+0xc6/0x1e0 [ 6849.352195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6849.352195][ T10] [ 6849.354401][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6849.354401][ T10] netdev_get_by_index+0x5e/0x80 [ 6849.354401][ T10] fib6_nh_init+0x3d8/0x1580 [ 6849.354401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6849.354401][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6849.354401][ T10] ipv6_add_addr+0x411/0x2000 [ 6849.354401][ T10] inet6_addr_add+0x30e/0xa40 [ 6849.354401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6849.354401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6849.354401][ T10] netlink_rcv_skb+0x130/0x360 [ 6849.354401][ T10] netlink_unicast+0x449/0x710 [ 6849.354401][ T10] netlink_sendmsg+0x723/0xbe0 [ 6849.354401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6849.354401][ T10] ___sys_sendmsg+0xee/0x170 [ 6849.354401][ T10] __sys_sendmsg+0xcd/0x170 [ 6849.354401][ T10] do_syscall_64+0xc6/0x1e0 [ 6849.354401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6849.354401][ T10] [ 6849.356636][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6849.356636][ T10] netdev_get_by_index+0x5e/0x80 [ 6849.356636][ T10] fib6_nh_init+0x3d8/0x1580 [ 6849.356636][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6849.356636][ T10] ip6_route_add+0x1c/0x140 [ 6849.356636][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6849.356636][ T10] addrconf_add_dev+0xe2/0x170 [ 6849.356636][ T10] inet6_addr_add+0x12f/0xa40 [ 6849.356636][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6849.356636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6849.356636][ T10] netlink_rcv_skb+0x130/0x360 [ 6849.356636][ T10] netlink_unicast+0x449/0x710 [ 6849.356636][ T10] netlink_sendmsg+0x723/0xbe0 [ 6849.356636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6849.356636][ T10] ___sys_sendmsg+0xee/0x170 [ 6849.356636][ T10] __sys_sendmsg+0xcd/0x170 [ 6849.356636][ T10] do_syscall_64+0xc6/0x1e0 [ 6849.356636][ T10] [ 6849.358815][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6849.358815][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6849.358815][ T10] ipv6_find_idev+0x102/0x170 [ 6849.358815][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6849.358815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6849.358815][ T10] netlink_rcv_skb+0x130/0x360 [ 6849.358815][ T10] netlink_unicast+0x449/0x710 [ 6849.358815][ T10] netlink_sendmsg+0x723/0xbe0 [ 6849.358815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6849.358815][ T10] ___sys_sendmsg+0xee/0x170 [ 6849.358815][ T10] __sys_sendmsg+0xcd/0x170 [ 6849.358815][ T10] do_syscall_64+0xc6/0x1e0 [ 6849.358815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6849.358815][ T10] [ 6849.360522][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6849.360522][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6849.360522][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6849.360522][ T10] ipv6_find_idev+0x102/0x170 [ 6849.360522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6849.360522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6849.360522][ T10] netlink_rcv_skb+0x130/0x360 [ 6849.360522][ T10] netlink_unicast+0x449/0x710 [ 6849.360522][ T10] netlink_sendmsg+0x723/0xbe0 [ 6849.360522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6849.360522][ T10] ___sys_sendmsg+0xee/0x170 [ 6849.360522][ T10] __sys_sendmsg+0xcd/0x170 [ 6849.360522][ T10] do_syscall_64+0xc6/0x1e0 [ 6849.360522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6849.360522][ T10] [ 6849.362403][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6849.362664][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6849.362664][ T10] netdev_get_by_index+0x5e/0x80 [ 6849.362664][ T10] fib6_nh_init+0x3d8/0x1580 [ 6849.362664][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6849.362664][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6849.362664][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6849.362664][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6849.362664][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6849.362664][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6849.362664][ T10] addrconf_dad_begin+0x310/0x670 [ 6849.362664][ T10] addrconf_dad_work+0x10b/0xab0 [ 6849.362664][ T10] process_one_work+0x84d/0x18a0 [ 6849.362664][ T10] worker_thread+0x587/0xd30 [ 6849.362664][ T10] kthread+0x28a/0x350 [ 6849.362664][ T10] ret_from_fork+0x31/0x70 [ 6849.362664][ T10] ret_from_fork_asm+0x1a/0x30 [ 6849.362664][ T10] [ 6849.364777][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6849.364777][ T10] netdev_get_by_index+0x5e/0x80 [ 6849.364777][ T10] fib6_nh_init+0x3d8/0x1580 [ 6849.364777][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6849.364777][ T10] ip6_route_add+0x1c/0x140 [ 6849.364777][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6849.364777][ T10] inet6_addr_add+0x4f8/0xa40 [ 6849.364777][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6849.364777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6849.364777][ T10] netlink_rcv_skb+0x130/0x360 [ 6849.364777][ T10] netlink_unicast+0x449/0x710 [ 6849.364777][ T10] netlink_sendmsg+0x723/0xbe0 [ 6849.364777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6849.364777][ T10] ___sys_sendmsg+0xee/0x170 [ 6849.364777][ T10] __sys_sendmsg+0xcd/0x170 [ 6849.364777][ T10] do_syscall_64+0xc6/0x1e0 [ 6849.364777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6849.364777][ T10] [ 6849.367233][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6849.367233][ T10] netdev_get_by_index+0x5e/0x80 [ 6849.367233][ T10] fib6_nh_init+0x3d8/0x1580 [ 6849.367233][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6849.367233][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6849.367233][ T10] ipv6_add_addr+0x411/0x2000 [ 6849.367233][ T10] inet6_addr_add+0x30e/0xa40 [ 6849.367233][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6849.367233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6849.367233][ T10] netlink_rcv_skb+0x130/0x360 [ 6849.367233][ T10] netlink_unicast+0x449/0x710 [ 6849.367233][ T10] netlink_sendmsg+0x723/0xbe0 [ 6849.367233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6849.367233][ T10] ___sys_sendmsg+0xee/0x170 [ 6849.367233][ T10] __sys_sendmsg+0xcd/0x170 [ 6849.367233][ T10] do_syscall_64+0xc6/0x1e0 [ 6849.367233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6849.367233][ T10] [ 6849.369608][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6849.369608][ T10] netdev_get_by_index+0x5e/0x80 [ 6849.369608][ T10] fib6_nh_init+0x3d8/0x1580 [ 6849.369608][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6849.369608][ T10] ip6_route_add+0x1c/0x140 [ 6849.369608][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6849.369608][ T10] addrconf_add_dev+0xe2/0x170 [ 6849.369608][ T10] inet6_addr_add+0x12f/0xa40 [ 6849.369608][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6849.369608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6849.369608][ T10] netlink_rcv_skb+0x130/0x360 [ 6849.369608][ T10] netlink_unicast+0x449/0x710 [ 6849.369608][ T10] netlink_sendmsg+0x723/0xbe0 [ 6849.369608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6849.369608][ T10] ___sys_sendmsg+0xee/0x170 [ 6849.369608][ T10] __sys_sendmsg+0xcd/0x170 [ 6849.369608][ T10] do_syscall_64+0xc6/0x1e0 [ 6849.369608][ T10] [ 6849.371865][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6849.371865][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6849.371865][ T10] ipv6_find_idev+0x102/0x170 [ 6849.371865][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6849.371865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6849.371865][ T10] netlink_rcv_skb+0x130/0x360 [ 6849.371865][ T10] netlink_unicast+0x449/0x710 [ 6849.371865][ T10] netlink_sendmsg+0x723/0xbe0 [ 6849.371865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6849.371865][ T10] ___sys_sendmsg+0xee/0x170 [ 6849.371865][ T10] __sys_sendmsg+0xcd/0x170 [ 6849.371865][ T10] do_syscall_64+0xc6/0x1e0 [ 6849.371865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6849.371865][ T10] [ 6849.373730][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6849.373730][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6849.373730][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6849.373730][ T10] ipv6_find_idev+0x102/0x170 [ 6849.373730][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6849.373730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6849.373730][ T10] netlink_rcv_skb+0x130/0x360 [ 6849.373730][ T10] netlink_unicast+0x449/0x710 [ 6849.373730][ T10] netlink_sendmsg+0x723/0xbe0 [ 6849.373730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6849.373730][ T10] ___sys_sendmsg+0xee/0x170 [ 6849.373730][ T10] __sys_sendmsg+0xcd/0x170 [ 6849.373730][ T10] do_syscall_64+0xc6/0x1e0 [ 6849.373730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6849.373730][ T10] [ 6849.375733][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6849.376003][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6849.376003][ T10] netdev_get_by_index+0x5e/0x80 [ 6849.376003][ T10] fib6_nh_init+0x3d8/0x1580 [ 6849.376003][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6849.376003][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6849.376003][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6849.376003][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6849.376003][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6849.376003][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6849.376003][ T10] addrconf_dad_begin+0x310/0x670 [ 6849.376003][ T10] addrconf_dad_work+0x10b/0xab0 [ 6849.376003][ T10] process_one_work+0x84d/0x18a0 [ 6849.376003][ T10] worker_thread+0x587/0xd30 [ 6849.376003][ T10] kthread+0x28a/0x350 [ 6849.376003][ T10] ret_from_fork+0x31/0x70 [ 6849.376003][ T10] ret_from_fork_asm+0x1a/0x30 [ 6849.376003][ T10] [ 6849.378342][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6849.378342][ T10] netdev_get_by_index+0x5e/0x80 [ 6849.378342][ T10] fib6_nh_init+0x3d8/0x1580 [ 6849.378342][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6849.378342][ T10] ip6_route_add+0x1c/0x140 [ 6849.378342][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6849.378342][ T10] inet6_addr_add+0x4f8/0xa40 [ 6849.378342][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6849.378342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6849.378342][ T10] netlink_rcv_skb+0x130/0x360 [ 6849.378342][ T10] netlink_unicast+0x449/0x710 [ 6849.378342][ T10] netlink_sendmsg+0x723/0xbe0 [ 6849.378342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6849.378342][ T10] ___sys_sendmsg+0xee/0x170 [ 6849.378342][ T10] __sys_sendmsg+0xcd/0x170 [ 6849.378342][ T10] do_syscall_64+0xc6/0x1e0 [ 6849.378342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6849.378342][ T10] [ 6849.380654][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6849.380654][ T10] netdev_get_by_index+0x5e/0x80 [ 6849.380654][ T10] fib6_nh_init+0x3d8/0x1580 [ 6849.380654][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6849.380654][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6849.380654][ T10] ipv6_add_addr+0x411/0x2000 [ 6849.380654][ T10] inet6_addr_add+0x30e/0xa40 [ 6849.380654][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6849.380654][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6849.380654][ T10] netlink_rcv_skb+0x130/0x360 [ 6849.380654][ T10] netlink_unicast+0x449/0x710 [ 6849.380654][ T10] netlink_sendmsg+0x723/0xbe0 [ 6849.380654][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6849.380654][ T10] ___sys_sendmsg+0xee/0x170 [ 6849.380654][ T10] __sys_sendmsg+0xcd/0x170 [ 6849.380654][ T10] do_syscall_64+0xc6/0x1e0 [ 6849.380654][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6849.380654][ T10] [ 6849.383027][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6849.383027][ T10] netdev_get_by_index+0x5e/0x80 [ 6849.383027][ T10] fib6_nh_init+0x3d8/0x1580 [ 6849.383027][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6849.383027][ T10] ip6_route_add+0x1c/0x140 [ 6849.383027][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6849.383027][ T10] addrconf_add_dev+0xe2/0x170 [ 6849.383027][ T10] inet6_addr_add+0x12f/0xa40 [ 6849.383027][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6849.383027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6849.383027][ T10] netlink_rcv_skb+0x130/0x360 [ 6849.383027][ T10] netlink_unicast+0x449/0x710 [ 6849.383027][ T10] netlink_sendmsg+0x723/0xbe0 [ 6849.383027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6849.383027][ T10] ___sys_sendmsg+0xee/0x170 [ 6849.383027][ T10] __sys_sendmsg+0xcd/0x170 [ 6849.383027][ T10] do_syscall_64+0xc6/0x1e0 [ 6849.383027][ T10] [ 6849.385378][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6849.385378][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6849.385378][ T10] ipv6_find_idev+0x102/0x170 [ 6849.385378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6849.385378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6849.385378][ T10] netlink_rcv_skb+0x130/0x360 [ 6849.385378][ T10] netlink_unicast+0x449/0x710 [ 6849.385378][ T10] netlink_sendmsg+0x723/0xbe0 [ 6849.385378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6849.385378][ T10] ___sys_sendmsg+0xee/0x170 [ 6849.385378][ T10] __sys_sendmsg+0xcd/0x170 [ 6849.385378][ T10] do_syscall_64+0xc6/0x1e0 [ 6849.385378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6849.385378][ T10] [ 6849.387299][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6849.387299][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6849.387299][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6849.387299][ T10] ipv6_find_idev+0x102/0x170 [ 6849.387299][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6849.387299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6849.387299][ T10] netlink_rcv_skb+0x130/0x360 [ 6849.387299][ T10] netlink_unicast+0x449/0x710 [ 6849.387299][ T10] netlink_sendmsg+0x723/0xbe0 [ 6849.387299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6849.387299][ T10] ___sys_sendmsg+0xee/0x170 [ 6849.387299][ T10] __sys_sendmsg+0xcd/0x170 [ 6849.387299][ T10] do_syscall_64+0xc6/0x1e0 [ 6849.387299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6849.387299][ T10] [ 6856.113091][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6856.113587][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6856.113587][ T1167] dst_init+0x84/0x4a0 [ 6856.113587][ T1167] dst_alloc+0x97/0x150 [ 6856.113587][ T1167] ip6_dst_alloc+0x23/0x90 [ 6856.113587][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6856.113587][ T1167] ip6_pol_route+0x56f/0x840 [ 6856.113587][ T1167] fib6_rule_lookup+0x334/0x630 [ 6856.113587][ T1167] ip6_route_output_flags+0x259/0x480 [ 6856.113587][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6856.113587][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6856.113587][ T1167] netlink_rcv_skb+0x130/0x360 [ 6856.113587][ T1167] netlink_unicast+0x449/0x710 [ 6856.113587][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6856.113587][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6856.113587][ T1167] ___sys_sendmsg+0xee/0x170 [ 6856.113587][ T1167] __sys_sendmsg+0xcd/0x170 [ 6856.113587][ T1167] do_syscall_64+0xc6/0x1e0 [ 6856.113587][ T1167] [ 6856.116005][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6856.116005][ T1167] netdev_get_by_index+0x5e/0x80 [ 6856.116005][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6856.116005][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6856.116005][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6856.116005][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6856.116005][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6856.116005][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6856.116005][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6856.116005][ T1167] addrconf_dad_begin+0x310/0x670 [ 6856.116005][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6856.116005][ T1167] process_one_work+0x84d/0x18a0 [ 6856.116005][ T1167] worker_thread+0x587/0xd30 [ 6856.116005][ T1167] kthread+0x28a/0x350 [ 6856.116005][ T1167] ret_from_fork+0x31/0x70 [ 6856.116005][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6856.116005][ T1167] [ 6856.118359][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6856.118359][ T1167] netdev_get_by_index+0x5e/0x80 [ 6856.118359][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6856.118359][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6856.118359][ T1167] ip6_route_add+0x1c/0x140 [ 6856.118359][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6856.118359][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6856.118359][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6856.118359][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6856.118359][ T1167] netlink_rcv_skb+0x130/0x360 [ 6856.118359][ T1167] netlink_unicast+0x449/0x710 [ 6856.118359][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6856.118359][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6856.118359][ T1167] ___sys_sendmsg+0xee/0x170 [ 6856.118359][ T1167] __sys_sendmsg+0xcd/0x170 [ 6856.118359][ T1167] do_syscall_64+0xc6/0x1e0 [ 6856.118359][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6856.118359][ T1167] [ 6856.120821][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6856.120821][ T1167] netdev_get_by_index+0x5e/0x80 [ 6856.120821][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6856.120821][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6856.120821][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6856.120821][ T1167] ipv6_add_addr+0x411/0x2000 [ 6856.120821][ T1167] inet6_addr_add+0x30e/0xa40 [ 6856.120821][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6856.120821][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6856.120821][ T1167] netlink_rcv_skb+0x130/0x360 [ 6856.120821][ T1167] netlink_unicast+0x449/0x710 [ 6856.120821][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6856.120821][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6856.120821][ T1167] ___sys_sendmsg+0xee/0x170 [ 6856.120821][ T1167] __sys_sendmsg+0xcd/0x170 [ 6856.120821][ T1167] do_syscall_64+0xc6/0x1e0 [ 6856.120821][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6856.120821][ T1167] [ 6856.123295][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6856.123295][ T1167] netdev_get_by_index+0x5e/0x80 [ 6856.123295][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6856.123295][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6856.123295][ T1167] ip6_route_add+0x1c/0x140 [ 6856.123295][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6856.123295][ T1167] addrconf_add_dev+0xe2/0x170 [ 6856.123295][ T1167] inet6_addr_add+0x12f/0xa40 [ 6856.123295][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6856.123295][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6856.123295][ T1167] netlink_rcv_skb+0x130/0x360 [ 6856.123295][ T1167] netlink_unicast+0x449/0x710 [ 6856.123295][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6856.123295][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6856.123295][ T1167] ___sys_sendmsg+0xee/0x170 [ 6856.123295][ T1167] __sys_sendmsg+0xcd/0x170 [ 6856.123295][ T1167] do_syscall_64+0xc6/0x1e0 [ 6856.123295][ T1167] [ 6856.125721][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6856.125721][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6856.125721][ T1167] ipv6_find_idev+0x102/0x170 [ 6856.125721][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6856.125721][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6856.125721][ T1167] netlink_rcv_skb+0x130/0x360 [ 6856.125721][ T1167] netlink_unicast+0x449/0x710 [ 6856.125721][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6856.125721][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6856.125721][ T1167] ___sys_sendmsg+0xee/0x170 [ 6856.125721][ T1167] __sys_sendmsg+0xcd/0x170 [ 6856.125721][ T1167] do_syscall_64+0xc6/0x1e0 [ 6856.125721][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6856.125721][ T1167] [ 6856.127623][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6856.127623][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6856.127623][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6856.127623][ T1167] ipv6_find_idev+0x102/0x170 [ 6856.127623][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6856.127623][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6856.127623][ T1167] netlink_rcv_skb+0x130/0x360 [ 6856.127623][ T1167] netlink_unicast+0x449/0x710 [ 6856.127623][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6856.127623][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6856.127623][ T1167] ___sys_sendmsg+0xee/0x170 [ 6856.127623][ T1167] __sys_sendmsg+0xcd/0x170 [ 6856.127623][ T1167] do_syscall_64+0xc6/0x1e0 [ 6856.127623][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6856.127623][ T1167] [ 6859.625061][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6859.625518][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6859.625518][ T10] netdev_get_by_index+0x5e/0x80 [ 6859.625518][ T10] fib6_nh_init+0x3d8/0x1580 [ 6859.625518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6859.625518][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6859.625518][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6859.625518][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6859.625518][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6859.625518][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6859.625518][ T10] addrconf_dad_begin+0x310/0x670 [ 6859.625518][ T10] addrconf_dad_work+0x10b/0xab0 [ 6859.625518][ T10] process_one_work+0x84d/0x18a0 [ 6859.625518][ T10] worker_thread+0x587/0xd30 [ 6859.625518][ T10] kthread+0x28a/0x350 [ 6859.625518][ T10] ret_from_fork+0x31/0x70 [ 6859.625518][ T10] ret_from_fork_asm+0x1a/0x30 [ 6859.625518][ T10] [ 6859.627668][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6859.627668][ T10] netdev_get_by_index+0x5e/0x80 [ 6859.627668][ T10] fib6_nh_init+0x3d8/0x1580 [ 6859.627668][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6859.627668][ T10] ip6_route_add+0x1c/0x140 [ 6859.627668][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6859.627668][ T10] inet6_addr_add+0x4f8/0xa40 [ 6859.627668][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6859.627668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6859.627668][ T10] netlink_rcv_skb+0x130/0x360 [ 6859.627668][ T10] netlink_unicast+0x449/0x710 [ 6859.627668][ T10] netlink_sendmsg+0x723/0xbe0 [ 6859.627668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6859.627668][ T10] ___sys_sendmsg+0xee/0x170 [ 6859.627668][ T10] __sys_sendmsg+0xcd/0x170 [ 6859.627668][ T10] do_syscall_64+0xc6/0x1e0 [ 6859.627668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6859.627668][ T10] [ 6859.629898][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6859.629898][ T10] netdev_get_by_index+0x5e/0x80 [ 6859.629898][ T10] fib6_nh_init+0x3d8/0x1580 [ 6859.629898][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6859.629898][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6859.629898][ T10] ipv6_add_addr+0x411/0x2000 [ 6859.629898][ T10] inet6_addr_add+0x30e/0xa40 [ 6859.629898][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6859.629898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6859.629898][ T10] netlink_rcv_skb+0x130/0x360 [ 6859.629898][ T10] netlink_unicast+0x449/0x710 [ 6859.629898][ T10] netlink_sendmsg+0x723/0xbe0 [ 6859.629898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6859.629898][ T10] ___sys_sendmsg+0xee/0x170 [ 6859.629898][ T10] __sys_sendmsg+0xcd/0x170 [ 6859.629898][ T10] do_syscall_64+0xc6/0x1e0 [ 6859.629898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6859.629898][ T10] [ 6859.632129][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6859.632129][ T10] netdev_get_by_index+0x5e/0x80 [ 6859.632129][ T10] fib6_nh_init+0x3d8/0x1580 [ 6859.632129][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6859.632129][ T10] ip6_route_add+0x1c/0x140 [ 6859.632129][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6859.632129][ T10] addrconf_add_dev+0xe2/0x170 [ 6859.632129][ T10] inet6_addr_add+0x12f/0xa40 [ 6859.632129][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6859.632129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6859.632129][ T10] netlink_rcv_skb+0x130/0x360 [ 6859.632129][ T10] netlink_unicast+0x449/0x710 [ 6859.632129][ T10] netlink_sendmsg+0x723/0xbe0 [ 6859.632129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6859.632129][ T10] ___sys_sendmsg+0xee/0x170 [ 6859.632129][ T10] __sys_sendmsg+0xcd/0x170 [ 6859.632129][ T10] do_syscall_64+0xc6/0x1e0 [ 6859.632129][ T10] [ 6859.634317][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6859.634317][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6859.634317][ T10] ipv6_find_idev+0x102/0x170 [ 6859.634317][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6859.634317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6859.634317][ T10] netlink_rcv_skb+0x130/0x360 [ 6859.634317][ T10] netlink_unicast+0x449/0x710 [ 6859.634317][ T10] netlink_sendmsg+0x723/0xbe0 [ 6859.634317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6859.634317][ T10] ___sys_sendmsg+0xee/0x170 [ 6859.634317][ T10] __sys_sendmsg+0xcd/0x170 [ 6859.634317][ T10] do_syscall_64+0xc6/0x1e0 [ 6859.634317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6859.634317][ T10] [ 6859.636021][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6859.636021][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6859.636021][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6859.636021][ T10] ipv6_find_idev+0x102/0x170 [ 6859.636021][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6859.636021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6859.636021][ T10] netlink_rcv_skb+0x130/0x360 [ 6859.636021][ T10] netlink_unicast+0x449/0x710 [ 6859.636021][ T10] netlink_sendmsg+0x723/0xbe0 [ 6859.636021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6859.636021][ T10] ___sys_sendmsg+0xee/0x170 [ 6859.636021][ T10] __sys_sendmsg+0xcd/0x170 [ 6859.636021][ T10] do_syscall_64+0xc6/0x1e0 [ 6859.636021][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6859.636021][ T10] [ 6859.637902][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6859.638180][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6859.638180][ T10] netdev_get_by_index+0x5e/0x80 [ 6859.638180][ T10] fib6_nh_init+0x3d8/0x1580 [ 6859.638180][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6859.638180][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6859.638180][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6859.638180][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6859.638180][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6859.638180][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6859.638180][ T10] addrconf_dad_begin+0x310/0x670 [ 6859.638180][ T10] addrconf_dad_work+0x10b/0xab0 [ 6859.638180][ T10] process_one_work+0x84d/0x18a0 [ 6859.638180][ T10] worker_thread+0x587/0xd30 [ 6859.638180][ T10] kthread+0x28a/0x350 [ 6859.638180][ T10] ret_from_fork+0x31/0x70 [ 6859.638180][ T10] ret_from_fork_asm+0x1a/0x30 [ 6859.638180][ T10] [ 6859.640319][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6859.640319][ T10] netdev_get_by_index+0x5e/0x80 [ 6859.640319][ T10] fib6_nh_init+0x3d8/0x1580 [ 6859.640319][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6859.640319][ T10] ip6_route_add+0x1c/0x140 [ 6859.640319][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6859.640319][ T10] inet6_addr_add+0x4f8/0xa40 [ 6859.640319][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6859.640319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6859.640319][ T10] netlink_rcv_skb+0x130/0x360 [ 6859.640319][ T10] netlink_unicast+0x449/0x710 [ 6859.640319][ T10] netlink_sendmsg+0x723/0xbe0 [ 6859.640319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6859.640319][ T10] ___sys_sendmsg+0xee/0x170 [ 6859.640319][ T10] __sys_sendmsg+0xcd/0x170 [ 6859.640319][ T10] do_syscall_64+0xc6/0x1e0 [ 6859.640319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6859.640319][ T10] [ 6859.642566][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6859.642566][ T10] netdev_get_by_index+0x5e/0x80 [ 6859.642566][ T10] fib6_nh_init+0x3d8/0x1580 [ 6859.642566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6859.642566][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6859.642566][ T10] ipv6_add_addr+0x411/0x2000 [ 6859.642566][ T10] inet6_addr_add+0x30e/0xa40 [ 6859.642566][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6859.642566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6859.642566][ T10] netlink_rcv_skb+0x130/0x360 [ 6859.642566][ T10] netlink_unicast+0x449/0x710 [ 6859.642566][ T10] netlink_sendmsg+0x723/0xbe0 [ 6859.642566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6859.642566][ T10] ___sys_sendmsg+0xee/0x170 [ 6859.642566][ T10] __sys_sendmsg+0xcd/0x170 [ 6859.642566][ T10] do_syscall_64+0xc6/0x1e0 [ 6859.642566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6859.642566][ T10] [ 6859.644814][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6859.644814][ T10] netdev_get_by_index+0x5e/0x80 [ 6859.644814][ T10] fib6_nh_init+0x3d8/0x1580 [ 6859.644814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6859.644814][ T10] ip6_route_add+0x1c/0x140 [ 6859.644814][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6859.644814][ T10] addrconf_add_dev+0xe2/0x170 [ 6859.644814][ T10] inet6_addr_add+0x12f/0xa40 [ 6859.644814][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6859.644814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6859.644814][ T10] netlink_rcv_skb+0x130/0x360 [ 6859.644814][ T10] netlink_unicast+0x449/0x710 [ 6859.644814][ T10] netlink_sendmsg+0x723/0xbe0 [ 6859.644814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6859.644814][ T10] ___sys_sendmsg+0xee/0x170 [ 6859.644814][ T10] __sys_sendmsg+0xcd/0x170 [ 6859.644814][ T10] do_syscall_64+0xc6/0x1e0 [ 6859.644814][ T10] [ 6859.647025][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6859.647025][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6859.647025][ T10] ipv6_find_idev+0x102/0x170 [ 6859.647025][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6859.647025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6859.647025][ T10] netlink_rcv_skb+0x130/0x360 [ 6859.647025][ T10] netlink_unicast+0x449/0x710 [ 6859.647025][ T10] netlink_sendmsg+0x723/0xbe0 [ 6859.647025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6859.647025][ T10] ___sys_sendmsg+0xee/0x170 [ 6859.647025][ T10] __sys_sendmsg+0xcd/0x170 [ 6859.647025][ T10] do_syscall_64+0xc6/0x1e0 [ 6859.647025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6859.647025][ T10] [ 6859.648759][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6859.648759][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6859.648759][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6859.648759][ T10] ipv6_find_idev+0x102/0x170 [ 6859.648759][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6859.648759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6859.648759][ T10] netlink_rcv_skb+0x130/0x360 [ 6859.648759][ T10] netlink_unicast+0x449/0x710 [ 6859.648759][ T10] netlink_sendmsg+0x723/0xbe0 [ 6859.648759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6859.648759][ T10] ___sys_sendmsg+0xee/0x170 [ 6859.648759][ T10] __sys_sendmsg+0xcd/0x170 [ 6859.648759][ T10] do_syscall_64+0xc6/0x1e0 [ 6859.648759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6859.648759][ T10] [ 6859.650640][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6859.650915][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6859.650915][ T10] netdev_get_by_index+0x5e/0x80 [ 6859.650915][ T10] fib6_nh_init+0x3d8/0x1580 [ 6859.650915][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6859.650915][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6859.650915][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6859.650915][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6859.650915][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6859.650915][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6859.650915][ T10] addrconf_dad_begin+0x310/0x670 [ 6859.650915][ T10] addrconf_dad_work+0x10b/0xab0 [ 6859.650915][ T10] process_one_work+0x84d/0x18a0 [ 6859.650915][ T10] worker_thread+0x587/0xd30 [ 6859.650915][ T10] kthread+0x28a/0x350 [ 6859.650915][ T10] ret_from_fork+0x31/0x70 [ 6859.650915][ T10] ret_from_fork_asm+0x1a/0x30 [ 6859.650915][ T10] [ 6859.653046][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6859.653046][ T10] netdev_get_by_index+0x5e/0x80 [ 6859.653046][ T10] fib6_nh_init+0x3d8/0x1580 [ 6859.653046][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6859.653046][ T10] ip6_route_add+0x1c/0x140 [ 6859.653046][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6859.653046][ T10] inet6_addr_add+0x4f8/0xa40 [ 6859.653046][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6859.653046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6859.653046][ T10] netlink_rcv_skb+0x130/0x360 [ 6859.653046][ T10] netlink_unicast+0x449/0x710 [ 6859.653046][ T10] netlink_sendmsg+0x723/0xbe0 [ 6859.653046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6859.653046][ T10] ___sys_sendmsg+0xee/0x170 [ 6859.653046][ T10] __sys_sendmsg+0xcd/0x170 [ 6859.653046][ T10] do_syscall_64+0xc6/0x1e0 [ 6859.653046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6859.653046][ T10] [ 6859.655462][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6859.655462][ T10] netdev_get_by_index+0x5e/0x80 [ 6859.655462][ T10] fib6_nh_init+0x3d8/0x1580 [ 6859.655462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6859.655462][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6859.655462][ T10] ipv6_add_addr+0x411/0x2000 [ 6859.655462][ T10] inet6_addr_add+0x30e/0xa40 [ 6859.655462][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6859.655462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6859.655462][ T10] netlink_rcv_skb+0x130/0x360 [ 6859.655462][ T10] netlink_unicast+0x449/0x710 [ 6859.655462][ T10] netlink_sendmsg+0x723/0xbe0 [ 6859.655462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6859.655462][ T10] ___sys_sendmsg+0xee/0x170 [ 6859.655462][ T10] __sys_sendmsg+0xcd/0x170 [ 6859.655462][ T10] do_syscall_64+0xc6/0x1e0 [ 6859.655462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6859.655462][ T10] [ 6859.657992][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6859.657992][ T10] netdev_get_by_index+0x5e/0x80 [ 6859.657992][ T10] fib6_nh_init+0x3d8/0x1580 [ 6859.657992][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6859.657992][ T10] ip6_route_add+0x1c/0x140 [ 6859.657992][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6859.657992][ T10] addrconf_add_dev+0xe2/0x170 [ 6859.657992][ T10] inet6_addr_add+0x12f/0xa40 [ 6859.657992][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6859.657992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6859.657992][ T10] netlink_rcv_skb+0x130/0x360 [ 6859.657992][ T10] netlink_unicast+0x449/0x710 [ 6859.657992][ T10] netlink_sendmsg+0x723/0xbe0 [ 6859.657992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6859.657992][ T10] ___sys_sendmsg+0xee/0x170 [ 6859.657992][ T10] __sys_sendmsg+0xcd/0x170 [ 6859.657992][ T10] do_syscall_64+0xc6/0x1e0 [ 6859.657992][ T10] [ 6859.660348][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6859.660348][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6859.660348][ T10] ipv6_find_idev+0x102/0x170 [ 6859.660348][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6859.660348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6859.660348][ T10] netlink_rcv_skb+0x130/0x360 [ 6859.660348][ T10] netlink_unicast+0x449/0x710 [ 6859.660348][ T10] netlink_sendmsg+0x723/0xbe0 [ 6859.660348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6859.660348][ T10] ___sys_sendmsg+0xee/0x170 [ 6859.660348][ T10] __sys_sendmsg+0xcd/0x170 [ 6859.660348][ T10] do_syscall_64+0xc6/0x1e0 [ 6859.660348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6859.660348][ T10] [ 6859.662239][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6859.662239][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6859.662239][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6859.662239][ T10] ipv6_find_idev+0x102/0x170 [ 6859.662239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6859.662239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6859.662239][ T10] netlink_rcv_skb+0x130/0x360 [ 6859.662239][ T10] netlink_unicast+0x449/0x710 [ 6859.662239][ T10] netlink_sendmsg+0x723/0xbe0 [ 6859.662239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6859.662239][ T10] ___sys_sendmsg+0xee/0x170 [ 6859.662239][ T10] __sys_sendmsg+0xcd/0x170 [ 6859.662239][ T10] do_syscall_64+0xc6/0x1e0 [ 6859.662239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6859.662239][ T10] [ 6859.664297][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6859.664555][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6859.664555][ T10] netdev_get_by_index+0x5e/0x80 [ 6859.664555][ T10] fib6_nh_init+0x3d8/0x1580 [ 6859.664555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6859.664555][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6859.664555][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6859.664555][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6859.664555][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6859.664555][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6859.664555][ T10] addrconf_dad_begin+0x310/0x670 [ 6859.664555][ T10] addrconf_dad_work+0x10b/0xab0 [ 6859.664555][ T10] process_one_work+0x84d/0x18a0 [ 6859.664555][ T10] worker_thread+0x587/0xd30 [ 6859.664555][ T10] kthread+0x28a/0x350 [ 6859.664555][ T10] ret_from_fork+0x31/0x70 [ 6859.664555][ T10] ret_from_fork_asm+0x1a/0x30 [ 6859.664555][ T10] [ 6859.666992][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6859.666992][ T10] netdev_get_by_index+0x5e/0x80 [ 6859.666992][ T10] fib6_nh_init+0x3d8/0x1580 [ 6859.666992][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6859.666992][ T10] ip6_route_add+0x1c/0x140 [ 6859.666992][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6859.666992][ T10] inet6_addr_add+0x4f8/0xa40 [ 6859.666992][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6859.666992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6859.666992][ T10] netlink_rcv_skb+0x130/0x360 [ 6859.666992][ T10] netlink_unicast+0x449/0x710 [ 6859.666992][ T10] netlink_sendmsg+0x723/0xbe0 [ 6859.666992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6859.666992][ T10] ___sys_sendmsg+0xee/0x170 [ 6859.666992][ T10] __sys_sendmsg+0xcd/0x170 [ 6859.666992][ T10] do_syscall_64+0xc6/0x1e0 [ 6859.666992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6859.666992][ T10] [ 6859.669397][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6859.669397][ T10] netdev_get_by_index+0x5e/0x80 [ 6859.669397][ T10] fib6_nh_init+0x3d8/0x1580 [ 6859.669397][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6859.669397][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6859.669397][ T10] ipv6_add_addr+0x411/0x2000 [ 6859.669397][ T10] inet6_addr_add+0x30e/0xa40 [ 6859.669397][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6859.669397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6859.669397][ T10] netlink_rcv_skb+0x130/0x360 [ 6859.669397][ T10] netlink_unicast+0x449/0x710 [ 6859.669397][ T10] netlink_sendmsg+0x723/0xbe0 [ 6859.669397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6859.669397][ T10] ___sys_sendmsg+0xee/0x170 [ 6859.669397][ T10] __sys_sendmsg+0xcd/0x170 [ 6859.669397][ T10] do_syscall_64+0xc6/0x1e0 [ 6859.669397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6859.669397][ T10] [ 6859.671884][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6859.671884][ T10] netdev_get_by_index+0x5e/0x80 [ 6859.671884][ T10] fib6_nh_init+0x3d8/0x1580 [ 6859.671884][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6859.671884][ T10] ip6_route_add+0x1c/0x140 [ 6859.671884][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6859.671884][ T10] addrconf_add_dev+0xe2/0x170 [ 6859.671884][ T10] inet6_addr_add+0x12f/0xa40 [ 6859.671884][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6859.671884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6859.671884][ T10] netlink_rcv_skb+0x130/0x360 [ 6859.671884][ T10] netlink_unicast+0x449/0x710 [ 6859.671884][ T10] netlink_sendmsg+0x723/0xbe0 [ 6859.671884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6859.671884][ T10] ___sys_sendmsg+0xee/0x170 [ 6859.671884][ T10] __sys_sendmsg+0xcd/0x170 [ 6859.671884][ T10] do_syscall_64+0xc6/0x1e0 [ 6859.671884][ T10] [ 6859.674301][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6859.674301][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6859.674301][ T10] ipv6_find_idev+0x102/0x170 [ 6859.674301][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6859.674301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6859.674301][ T10] netlink_rcv_skb+0x130/0x360 [ 6859.674301][ T10] netlink_unicast+0x449/0x710 [ 6859.674301][ T10] netlink_sendmsg+0x723/0xbe0 [ 6859.674301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6859.674301][ T10] ___sys_sendmsg+0xee/0x170 [ 6859.674301][ T10] __sys_sendmsg+0xcd/0x170 [ 6859.674301][ T10] do_syscall_64+0xc6/0x1e0 [ 6859.674301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6859.674301][ T10] [ 6859.676241][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6859.676241][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6859.676241][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6859.676241][ T10] ipv6_find_idev+0x102/0x170 [ 6859.676241][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6859.676241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6859.676241][ T10] netlink_rcv_skb+0x130/0x360 [ 6859.676241][ T10] netlink_unicast+0x449/0x710 [ 6859.676241][ T10] netlink_sendmsg+0x723/0xbe0 [ 6859.676241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6859.676241][ T10] ___sys_sendmsg+0xee/0x170 [ 6859.676241][ T10] __sys_sendmsg+0xcd/0x170 [ 6859.676241][ T10] do_syscall_64+0xc6/0x1e0 [ 6859.676241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6859.676241][ T10] [ 6866.369100][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6866.369606][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6866.369606][ T1167] dst_init+0x84/0x4a0 [ 6866.369606][ T1167] dst_alloc+0x97/0x150 [ 6866.369606][ T1167] ip6_dst_alloc+0x23/0x90 [ 6866.369606][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6866.369606][ T1167] ip6_pol_route+0x56f/0x840 [ 6866.369606][ T1167] fib6_rule_lookup+0x334/0x630 [ 6866.369606][ T1167] ip6_route_output_flags+0x259/0x480 [ 6866.369606][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6866.369606][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6866.369606][ T1167] netlink_rcv_skb+0x130/0x360 [ 6866.369606][ T1167] netlink_unicast+0x449/0x710 [ 6866.369606][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6866.369606][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6866.369606][ T1167] ___sys_sendmsg+0xee/0x170 [ 6866.369606][ T1167] __sys_sendmsg+0xcd/0x170 [ 6866.369606][ T1167] do_syscall_64+0xc6/0x1e0 [ 6866.369606][ T1167] [ 6866.372018][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6866.372018][ T1167] netdev_get_by_index+0x5e/0x80 [ 6866.372018][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6866.372018][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6866.372018][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6866.372018][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6866.372018][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6866.372018][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6866.372018][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6866.372018][ T1167] addrconf_dad_begin+0x310/0x670 [ 6866.372018][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6866.372018][ T1167] process_one_work+0x84d/0x18a0 [ 6866.372018][ T1167] worker_thread+0x587/0xd30 [ 6866.372018][ T1167] kthread+0x28a/0x350 [ 6866.372018][ T1167] ret_from_fork+0x31/0x70 [ 6866.372018][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6866.372018][ T1167] [ 6866.374377][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6866.374377][ T1167] netdev_get_by_index+0x5e/0x80 [ 6866.374377][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6866.374377][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6866.374377][ T1167] ip6_route_add+0x1c/0x140 [ 6866.374377][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6866.374377][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6866.374377][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6866.374377][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6866.374377][ T1167] netlink_rcv_skb+0x130/0x360 [ 6866.374377][ T1167] netlink_unicast+0x449/0x710 [ 6866.374377][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6866.374377][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6866.374377][ T1167] ___sys_sendmsg+0xee/0x170 [ 6866.374377][ T1167] __sys_sendmsg+0xcd/0x170 [ 6866.374377][ T1167] do_syscall_64+0xc6/0x1e0 [ 6866.374377][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6866.374377][ T1167] [ 6866.376859][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6866.376859][ T1167] netdev_get_by_index+0x5e/0x80 [ 6866.376859][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6866.376859][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6866.376859][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6866.376859][ T1167] ipv6_add_addr+0x411/0x2000 [ 6866.376859][ T1167] inet6_addr_add+0x30e/0xa40 [ 6866.376859][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6866.376859][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6866.376859][ T1167] netlink_rcv_skb+0x130/0x360 [ 6866.376859][ T1167] netlink_unicast+0x449/0x710 [ 6866.376859][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6866.376859][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6866.376859][ T1167] ___sys_sendmsg+0xee/0x170 [ 6866.376859][ T1167] __sys_sendmsg+0xcd/0x170 [ 6866.376859][ T1167] do_syscall_64+0xc6/0x1e0 [ 6866.376859][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6866.376859][ T1167] [ 6866.379345][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6866.379345][ T1167] netdev_get_by_index+0x5e/0x80 [ 6866.379345][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6866.379345][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6866.379345][ T1167] ip6_route_add+0x1c/0x140 [ 6866.379345][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6866.379345][ T1167] addrconf_add_dev+0xe2/0x170 [ 6866.379345][ T1167] inet6_addr_add+0x12f/0xa40 [ 6866.379345][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6866.379345][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6866.379345][ T1167] netlink_rcv_skb+0x130/0x360 [ 6866.379345][ T1167] netlink_unicast+0x449/0x710 [ 6866.379345][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6866.379345][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6866.379345][ T1167] ___sys_sendmsg+0xee/0x170 [ 6866.379345][ T1167] __sys_sendmsg+0xcd/0x170 [ 6866.379345][ T1167] do_syscall_64+0xc6/0x1e0 [ 6866.379345][ T1167] [ 6866.381746][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6866.381746][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6866.381746][ T1167] ipv6_find_idev+0x102/0x170 [ 6866.381746][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6866.381746][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6866.381746][ T1167] netlink_rcv_skb+0x130/0x360 [ 6866.381746][ T1167] netlink_unicast+0x449/0x710 [ 6866.381746][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6866.381746][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6866.381746][ T1167] ___sys_sendmsg+0xee/0x170 [ 6866.381746][ T1167] __sys_sendmsg+0xcd/0x170 [ 6866.381746][ T1167] do_syscall_64+0xc6/0x1e0 [ 6866.381746][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6866.381746][ T1167] [ 6866.383625][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6866.383625][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6866.383625][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6866.383625][ T1167] ipv6_find_idev+0x102/0x170 [ 6866.383625][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6866.383625][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6866.383625][ T1167] netlink_rcv_skb+0x130/0x360 [ 6866.383625][ T1167] netlink_unicast+0x449/0x710 [ 6866.383625][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6866.383625][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6866.383625][ T1167] ___sys_sendmsg+0xee/0x170 [ 6866.383625][ T1167] __sys_sendmsg+0xcd/0x170 [ 6866.383625][ T1167] do_syscall_64+0xc6/0x1e0 [ 6866.383625][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6866.383625][ T1167] [ 6869.921077][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6869.921526][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6869.921526][ T10] netdev_get_by_index+0x5e/0x80 [ 6869.921526][ T10] fib6_nh_init+0x3d8/0x1580 [ 6869.921526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6869.921526][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6869.921526][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6869.921526][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6869.921526][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6869.921526][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6869.921526][ T10] addrconf_dad_begin+0x310/0x670 [ 6869.921526][ T10] addrconf_dad_work+0x10b/0xab0 [ 6869.921526][ T10] process_one_work+0x84d/0x18a0 [ 6869.921526][ T10] worker_thread+0x587/0xd30 [ 6869.921526][ T10] kthread+0x28a/0x350 [ 6869.921526][ T10] ret_from_fork+0x31/0x70 [ 6869.921526][ T10] ret_from_fork_asm+0x1a/0x30 [ 6869.921526][ T10] [ 6869.923712][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6869.923712][ T10] netdev_get_by_index+0x5e/0x80 [ 6869.923712][ T10] fib6_nh_init+0x3d8/0x1580 [ 6869.923712][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6869.923712][ T10] ip6_route_add+0x1c/0x140 [ 6869.923712][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6869.923712][ T10] inet6_addr_add+0x4f8/0xa40 [ 6869.923712][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6869.923712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.923712][ T10] netlink_rcv_skb+0x130/0x360 [ 6869.923712][ T10] netlink_unicast+0x449/0x710 [ 6869.923712][ T10] netlink_sendmsg+0x723/0xbe0 [ 6869.923712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6869.923712][ T10] ___sys_sendmsg+0xee/0x170 [ 6869.923712][ T10] __sys_sendmsg+0xcd/0x170 [ 6869.923712][ T10] do_syscall_64+0xc6/0x1e0 [ 6869.923712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.923712][ T10] [ 6869.925950][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6869.925950][ T10] netdev_get_by_index+0x5e/0x80 [ 6869.925950][ T10] fib6_nh_init+0x3d8/0x1580 [ 6869.925950][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6869.925950][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6869.925950][ T10] ipv6_add_addr+0x411/0x2000 [ 6869.925950][ T10] inet6_addr_add+0x30e/0xa40 [ 6869.925950][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6869.925950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.925950][ T10] netlink_rcv_skb+0x130/0x360 [ 6869.925950][ T10] netlink_unicast+0x449/0x710 [ 6869.925950][ T10] netlink_sendmsg+0x723/0xbe0 [ 6869.925950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6869.925950][ T10] ___sys_sendmsg+0xee/0x170 [ 6869.925950][ T10] __sys_sendmsg+0xcd/0x170 [ 6869.925950][ T10] do_syscall_64+0xc6/0x1e0 [ 6869.925950][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.925950][ T10] [ 6869.928156][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6869.928156][ T10] netdev_get_by_index+0x5e/0x80 [ 6869.928156][ T10] fib6_nh_init+0x3d8/0x1580 [ 6869.928156][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6869.928156][ T10] ip6_route_add+0x1c/0x140 [ 6869.928156][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6869.928156][ T10] addrconf_add_dev+0xe2/0x170 [ 6869.928156][ T10] inet6_addr_add+0x12f/0xa40 [ 6869.928156][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6869.928156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.928156][ T10] netlink_rcv_skb+0x130/0x360 [ 6869.928156][ T10] netlink_unicast+0x449/0x710 [ 6869.928156][ T10] netlink_sendmsg+0x723/0xbe0 [ 6869.928156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6869.928156][ T10] ___sys_sendmsg+0xee/0x170 [ 6869.928156][ T10] __sys_sendmsg+0xcd/0x170 [ 6869.928156][ T10] do_syscall_64+0xc6/0x1e0 [ 6869.928156][ T10] [ 6869.930339][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6869.930339][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6869.930339][ T10] ipv6_find_idev+0x102/0x170 [ 6869.930339][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6869.930339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.930339][ T10] netlink_rcv_skb+0x130/0x360 [ 6869.930339][ T10] netlink_unicast+0x449/0x710 [ 6869.930339][ T10] netlink_sendmsg+0x723/0xbe0 [ 6869.930339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6869.930339][ T10] ___sys_sendmsg+0xee/0x170 [ 6869.930339][ T10] __sys_sendmsg+0xcd/0x170 [ 6869.930339][ T10] do_syscall_64+0xc6/0x1e0 [ 6869.930339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.930339][ T10] [ 6869.932046][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6869.932046][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6869.932046][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6869.932046][ T10] ipv6_find_idev+0x102/0x170 [ 6869.932046][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6869.932046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.932046][ T10] netlink_rcv_skb+0x130/0x360 [ 6869.932046][ T10] netlink_unicast+0x449/0x710 [ 6869.932046][ T10] netlink_sendmsg+0x723/0xbe0 [ 6869.932046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6869.932046][ T10] ___sys_sendmsg+0xee/0x170 [ 6869.932046][ T10] __sys_sendmsg+0xcd/0x170 [ 6869.932046][ T10] do_syscall_64+0xc6/0x1e0 [ 6869.932046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.932046][ T10] [ 6869.933916][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6869.934203][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6869.934203][ T10] netdev_get_by_index+0x5e/0x80 [ 6869.934203][ T10] fib6_nh_init+0x3d8/0x1580 [ 6869.934203][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6869.934203][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6869.934203][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6869.934203][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6869.934203][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6869.934203][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6869.934203][ T10] addrconf_dad_begin+0x310/0x670 [ 6869.934203][ T10] addrconf_dad_work+0x10b/0xab0 [ 6869.934203][ T10] process_one_work+0x84d/0x18a0 [ 6869.934203][ T10] worker_thread+0x587/0xd30 [ 6869.934203][ T10] kthread+0x28a/0x350 [ 6869.934203][ T10] ret_from_fork+0x31/0x70 [ 6869.934203][ T10] ret_from_fork_asm+0x1a/0x30 [ 6869.934203][ T10] [ 6869.936338][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6869.936338][ T10] netdev_get_by_index+0x5e/0x80 [ 6869.936338][ T10] fib6_nh_init+0x3d8/0x1580 [ 6869.936338][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6869.936338][ T10] ip6_route_add+0x1c/0x140 [ 6869.936338][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6869.936338][ T10] inet6_addr_add+0x4f8/0xa40 [ 6869.936338][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6869.936338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.936338][ T10] netlink_rcv_skb+0x130/0x360 [ 6869.936338][ T10] netlink_unicast+0x449/0x710 [ 6869.936338][ T10] netlink_sendmsg+0x723/0xbe0 [ 6869.936338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6869.936338][ T10] ___sys_sendmsg+0xee/0x170 [ 6869.936338][ T10] __sys_sendmsg+0xcd/0x170 [ 6869.936338][ T10] do_syscall_64+0xc6/0x1e0 [ 6869.936338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.936338][ T10] [ 6869.938538][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6869.938538][ T10] netdev_get_by_index+0x5e/0x80 [ 6869.938538][ T10] fib6_nh_init+0x3d8/0x1580 [ 6869.938538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6869.938538][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6869.938538][ T10] ipv6_add_addr+0x411/0x2000 [ 6869.938538][ T10] inet6_addr_add+0x30e/0xa40 [ 6869.938538][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6869.938538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.938538][ T10] netlink_rcv_skb+0x130/0x360 [ 6869.938538][ T10] netlink_unicast+0x449/0x710 [ 6869.938538][ T10] netlink_sendmsg+0x723/0xbe0 [ 6869.938538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6869.938538][ T10] ___sys_sendmsg+0xee/0x170 [ 6869.938538][ T10] __sys_sendmsg+0xcd/0x170 [ 6869.938538][ T10] do_syscall_64+0xc6/0x1e0 [ 6869.938538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.938538][ T10] [ 6869.940767][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6869.940767][ T10] netdev_get_by_index+0x5e/0x80 [ 6869.940767][ T10] fib6_nh_init+0x3d8/0x1580 [ 6869.940767][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6869.940767][ T10] ip6_route_add+0x1c/0x140 [ 6869.940767][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6869.940767][ T10] addrconf_add_dev+0xe2/0x170 [ 6869.940767][ T10] inet6_addr_add+0x12f/0xa40 [ 6869.940767][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6869.940767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.940767][ T10] netlink_rcv_skb+0x130/0x360 [ 6869.940767][ T10] netlink_unicast+0x449/0x710 [ 6869.940767][ T10] netlink_sendmsg+0x723/0xbe0 [ 6869.940767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6869.940767][ T10] ___sys_sendmsg+0xee/0x170 [ 6869.940767][ T10] __sys_sendmsg+0xcd/0x170 [ 6869.940767][ T10] do_syscall_64+0xc6/0x1e0 [ 6869.940767][ T10] [ 6869.942965][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6869.942965][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6869.942965][ T10] ipv6_find_idev+0x102/0x170 [ 6869.942965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6869.942965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.942965][ T10] netlink_rcv_skb+0x130/0x360 [ 6869.942965][ T10] netlink_unicast+0x449/0x710 [ 6869.942965][ T10] netlink_sendmsg+0x723/0xbe0 [ 6869.942965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6869.942965][ T10] ___sys_sendmsg+0xee/0x170 [ 6869.942965][ T10] __sys_sendmsg+0xcd/0x170 [ 6869.942965][ T10] do_syscall_64+0xc6/0x1e0 [ 6869.942965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.942965][ T10] [ 6869.944681][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6869.944681][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6869.944681][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6869.944681][ T10] ipv6_find_idev+0x102/0x170 [ 6869.944681][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6869.944681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.944681][ T10] netlink_rcv_skb+0x130/0x360 [ 6869.944681][ T10] netlink_unicast+0x449/0x710 [ 6869.944681][ T10] netlink_sendmsg+0x723/0xbe0 [ 6869.944681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6869.944681][ T10] ___sys_sendmsg+0xee/0x170 [ 6869.944681][ T10] __sys_sendmsg+0xcd/0x170 [ 6869.944681][ T10] do_syscall_64+0xc6/0x1e0 [ 6869.944681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.944681][ T10] [ 6869.946567][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6869.946832][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6869.946832][ T10] netdev_get_by_index+0x5e/0x80 [ 6869.946832][ T10] fib6_nh_init+0x3d8/0x1580 [ 6869.946832][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6869.946832][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6869.946832][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6869.946832][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6869.946832][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6869.946832][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6869.946832][ T10] addrconf_dad_begin+0x310/0x670 [ 6869.946832][ T10] addrconf_dad_work+0x10b/0xab0 [ 6869.946832][ T10] process_one_work+0x84d/0x18a0 [ 6869.946832][ T10] worker_thread+0x587/0xd30 [ 6869.946832][ T10] kthread+0x28a/0x350 [ 6869.946832][ T10] ret_from_fork+0x31/0x70 [ 6869.946832][ T10] ret_from_fork_asm+0x1a/0x30 [ 6869.946832][ T10] [ 6869.948963][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6869.948963][ T10] netdev_get_by_index+0x5e/0x80 [ 6869.948963][ T10] fib6_nh_init+0x3d8/0x1580 [ 6869.948963][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6869.948963][ T10] ip6_route_add+0x1c/0x140 [ 6869.948963][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6869.948963][ T10] inet6_addr_add+0x4f8/0xa40 [ 6869.948963][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6869.948963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.948963][ T10] netlink_rcv_skb+0x130/0x360 [ 6869.948963][ T10] netlink_unicast+0x449/0x710 [ 6869.948963][ T10] netlink_sendmsg+0x723/0xbe0 [ 6869.948963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6869.948963][ T10] ___sys_sendmsg+0xee/0x170 [ 6869.948963][ T10] __sys_sendmsg+0xcd/0x170 [ 6869.948963][ T10] do_syscall_64+0xc6/0x1e0 [ 6869.948963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.948963][ T10] [ 6869.951375][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6869.951375][ T10] netdev_get_by_index+0x5e/0x80 [ 6869.951375][ T10] fib6_nh_init+0x3d8/0x1580 [ 6869.951375][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6869.951375][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6869.951375][ T10] ipv6_add_addr+0x411/0x2000 [ 6869.951375][ T10] inet6_addr_add+0x30e/0xa40 [ 6869.951375][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6869.951375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.951375][ T10] netlink_rcv_skb+0x130/0x360 [ 6869.951375][ T10] netlink_unicast+0x449/0x710 [ 6869.951375][ T10] netlink_sendmsg+0x723/0xbe0 [ 6869.951375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6869.951375][ T10] ___sys_sendmsg+0xee/0x170 [ 6869.951375][ T10] __sys_sendmsg+0xcd/0x170 [ 6869.951375][ T10] do_syscall_64+0xc6/0x1e0 [ 6869.951375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.951375][ T10] [ 6869.953896][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6869.953896][ T10] netdev_get_by_index+0x5e/0x80 [ 6869.953896][ T10] fib6_nh_init+0x3d8/0x1580 [ 6869.953896][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6869.953896][ T10] ip6_route_add+0x1c/0x140 [ 6869.953896][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6869.953896][ T10] addrconf_add_dev+0xe2/0x170 [ 6869.953896][ T10] inet6_addr_add+0x12f/0xa40 [ 6869.953896][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6869.953896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.953896][ T10] netlink_rcv_skb+0x130/0x360 [ 6869.953896][ T10] netlink_unicast+0x449/0x710 [ 6869.953896][ T10] netlink_sendmsg+0x723/0xbe0 [ 6869.953896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6869.953896][ T10] ___sys_sendmsg+0xee/0x170 [ 6869.953896][ T10] __sys_sendmsg+0xcd/0x170 [ 6869.953896][ T10] do_syscall_64+0xc6/0x1e0 [ 6869.953896][ T10] [ 6869.956255][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6869.956255][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6869.956255][ T10] ipv6_find_idev+0x102/0x170 [ 6869.956255][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6869.956255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.956255][ T10] netlink_rcv_skb+0x130/0x360 [ 6869.956255][ T10] netlink_unicast+0x449/0x710 [ 6869.956255][ T10] netlink_sendmsg+0x723/0xbe0 [ 6869.956255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6869.956255][ T10] ___sys_sendmsg+0xee/0x170 [ 6869.956255][ T10] __sys_sendmsg+0xcd/0x170 [ 6869.956255][ T10] do_syscall_64+0xc6/0x1e0 [ 6869.956255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.956255][ T10] [ 6869.958142][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6869.958142][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6869.958142][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6869.958142][ T10] ipv6_find_idev+0x102/0x170 [ 6869.958142][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6869.958142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.958142][ T10] netlink_rcv_skb+0x130/0x360 [ 6869.958142][ T10] netlink_unicast+0x449/0x710 [ 6869.958142][ T10] netlink_sendmsg+0x723/0xbe0 [ 6869.958142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6869.958142][ T10] ___sys_sendmsg+0xee/0x170 [ 6869.958142][ T10] __sys_sendmsg+0xcd/0x170 [ 6869.958142][ T10] do_syscall_64+0xc6/0x1e0 [ 6869.958142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.958142][ T10] [ 6869.960239][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6869.960493][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6869.960493][ T10] netdev_get_by_index+0x5e/0x80 [ 6869.960493][ T10] fib6_nh_init+0x3d8/0x1580 [ 6869.960493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6869.960493][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6869.960493][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6869.960493][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6869.960493][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6869.960493][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6869.960493][ T10] addrconf_dad_begin+0x310/0x670 [ 6869.960493][ T10] addrconf_dad_work+0x10b/0xab0 [ 6869.960493][ T10] process_one_work+0x84d/0x18a0 [ 6869.960493][ T10] worker_thread+0x587/0xd30 [ 6869.960493][ T10] kthread+0x28a/0x350 [ 6869.960493][ T10] ret_from_fork+0x31/0x70 [ 6869.960493][ T10] ret_from_fork_asm+0x1a/0x30 [ 6869.960493][ T10] [ 6869.962914][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6869.962914][ T10] netdev_get_by_index+0x5e/0x80 [ 6869.962914][ T10] fib6_nh_init+0x3d8/0x1580 [ 6869.962914][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6869.962914][ T10] ip6_route_add+0x1c/0x140 [ 6869.962914][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6869.962914][ T10] inet6_addr_add+0x4f8/0xa40 [ 6869.962914][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6869.962914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.962914][ T10] netlink_rcv_skb+0x130/0x360 [ 6869.962914][ T10] netlink_unicast+0x449/0x710 [ 6869.962914][ T10] netlink_sendmsg+0x723/0xbe0 [ 6869.962914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6869.962914][ T10] ___sys_sendmsg+0xee/0x170 [ 6869.962914][ T10] __sys_sendmsg+0xcd/0x170 [ 6869.962914][ T10] do_syscall_64+0xc6/0x1e0 [ 6869.962914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.962914][ T10] [ 6869.965308][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6869.965308][ T10] netdev_get_by_index+0x5e/0x80 [ 6869.965308][ T10] fib6_nh_init+0x3d8/0x1580 [ 6869.965308][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6869.965308][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6869.965308][ T10] ipv6_add_addr+0x411/0x2000 [ 6869.965308][ T10] inet6_addr_add+0x30e/0xa40 [ 6869.965308][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6869.965308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.965308][ T10] netlink_rcv_skb+0x130/0x360 [ 6869.965308][ T10] netlink_unicast+0x449/0x710 [ 6869.965308][ T10] netlink_sendmsg+0x723/0xbe0 [ 6869.965308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6869.965308][ T10] ___sys_sendmsg+0xee/0x170 [ 6869.965308][ T10] __sys_sendmsg+0xcd/0x170 [ 6869.965308][ T10] do_syscall_64+0xc6/0x1e0 [ 6869.965308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.965308][ T10] [ 6869.967774][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6869.967774][ T10] netdev_get_by_index+0x5e/0x80 [ 6869.967774][ T10] fib6_nh_init+0x3d8/0x1580 [ 6869.967774][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6869.967774][ T10] ip6_route_add+0x1c/0x140 [ 6869.967774][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6869.967774][ T10] addrconf_add_dev+0xe2/0x170 [ 6869.967774][ T10] inet6_addr_add+0x12f/0xa40 [ 6869.967774][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6869.967774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.967774][ T10] netlink_rcv_skb+0x130/0x360 [ 6869.967774][ T10] netlink_unicast+0x449/0x710 [ 6869.967774][ T10] netlink_sendmsg+0x723/0xbe0 [ 6869.967774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6869.967774][ T10] ___sys_sendmsg+0xee/0x170 [ 6869.967774][ T10] __sys_sendmsg+0xcd/0x170 [ 6869.967774][ T10] do_syscall_64+0xc6/0x1e0 [ 6869.967774][ T10] [ 6869.970200][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6869.970200][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6869.970200][ T10] ipv6_find_idev+0x102/0x170 [ 6869.970200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6869.970200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.970200][ T10] netlink_rcv_skb+0x130/0x360 [ 6869.970200][ T10] netlink_unicast+0x449/0x710 [ 6869.970200][ T10] netlink_sendmsg+0x723/0xbe0 [ 6869.970200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6869.970200][ T10] ___sys_sendmsg+0xee/0x170 [ 6869.970200][ T10] __sys_sendmsg+0xcd/0x170 [ 6869.970200][ T10] do_syscall_64+0xc6/0x1e0 [ 6869.970200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.970200][ T10] [ 6869.972099][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6869.972099][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6869.972099][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6869.972099][ T10] ipv6_find_idev+0x102/0x170 [ 6869.972099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6869.972099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6869.972099][ T10] netlink_rcv_skb+0x130/0x360 [ 6869.972099][ T10] netlink_unicast+0x449/0x710 [ 6869.972099][ T10] netlink_sendmsg+0x723/0xbe0 [ 6869.972099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6869.972099][ T10] ___sys_sendmsg+0xee/0x170 [ 6869.972099][ T10] __sys_sendmsg+0xcd/0x170 [ 6869.972099][ T10] do_syscall_64+0xc6/0x1e0 [ 6869.972099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6869.972099][ T10] [ 6876.641127][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6876.641627][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6876.641627][ T1167] dst_init+0x84/0x4a0 [ 6876.641627][ T1167] dst_alloc+0x97/0x150 [ 6876.641627][ T1167] ip6_dst_alloc+0x23/0x90 [ 6876.641627][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6876.641627][ T1167] ip6_pol_route+0x56f/0x840 [ 6876.641627][ T1167] fib6_rule_lookup+0x334/0x630 [ 6876.641627][ T1167] ip6_route_output_flags+0x259/0x480 [ 6876.641627][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6876.641627][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6876.641627][ T1167] netlink_rcv_skb+0x130/0x360 [ 6876.641627][ T1167] netlink_unicast+0x449/0x710 [ 6876.641627][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6876.641627][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6876.641627][ T1167] ___sys_sendmsg+0xee/0x170 [ 6876.641627][ T1167] __sys_sendmsg+0xcd/0x170 [ 6876.641627][ T1167] do_syscall_64+0xc6/0x1e0 [ 6876.641627][ T1167] [ 6876.644038][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6876.644038][ T1167] netdev_get_by_index+0x5e/0x80 [ 6876.644038][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6876.644038][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6876.644038][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6876.644038][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6876.644038][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6876.644038][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6876.644038][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6876.644038][ T1167] addrconf_dad_begin+0x310/0x670 [ 6876.644038][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6876.644038][ T1167] process_one_work+0x84d/0x18a0 [ 6876.644038][ T1167] worker_thread+0x587/0xd30 [ 6876.644038][ T1167] kthread+0x28a/0x350 [ 6876.644038][ T1167] ret_from_fork+0x31/0x70 [ 6876.644038][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6876.644038][ T1167] [ 6876.646403][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6876.646403][ T1167] netdev_get_by_index+0x5e/0x80 [ 6876.646403][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6876.646403][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6876.646403][ T1167] ip6_route_add+0x1c/0x140 [ 6876.646403][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6876.646403][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6876.646403][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6876.646403][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6876.646403][ T1167] netlink_rcv_skb+0x130/0x360 [ 6876.646403][ T1167] netlink_unicast+0x449/0x710 [ 6876.646403][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6876.646403][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6876.646403][ T1167] ___sys_sendmsg+0xee/0x170 [ 6876.646403][ T1167] __sys_sendmsg+0xcd/0x170 [ 6876.646403][ T1167] do_syscall_64+0xc6/0x1e0 [ 6876.646403][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6876.646403][ T1167] [ 6876.648858][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6876.648858][ T1167] netdev_get_by_index+0x5e/0x80 [ 6876.648858][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6876.648858][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6876.648858][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6876.648858][ T1167] ipv6_add_addr+0x411/0x2000 [ 6876.648858][ T1167] inet6_addr_add+0x30e/0xa40 [ 6876.648858][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6876.648858][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6876.648858][ T1167] netlink_rcv_skb+0x130/0x360 [ 6876.648858][ T1167] netlink_unicast+0x449/0x710 [ 6876.648858][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6876.648858][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6876.648858][ T1167] ___sys_sendmsg+0xee/0x170 [ 6876.648858][ T1167] __sys_sendmsg+0xcd/0x170 [ 6876.648858][ T1167] do_syscall_64+0xc6/0x1e0 [ 6876.648858][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6876.648858][ T1167] [ 6876.651334][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6876.651334][ T1167] netdev_get_by_index+0x5e/0x80 [ 6876.651334][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6876.651334][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6876.651334][ T1167] ip6_route_add+0x1c/0x140 [ 6876.651334][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6876.651334][ T1167] addrconf_add_dev+0xe2/0x170 [ 6876.651334][ T1167] inet6_addr_add+0x12f/0xa40 [ 6876.651334][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6876.651334][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6876.651334][ T1167] netlink_rcv_skb+0x130/0x360 [ 6876.651334][ T1167] netlink_unicast+0x449/0x710 [ 6876.651334][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6876.651334][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6876.651334][ T1167] ___sys_sendmsg+0xee/0x170 [ 6876.651334][ T1167] __sys_sendmsg+0xcd/0x170 [ 6876.651334][ T1167] do_syscall_64+0xc6/0x1e0 [ 6876.651334][ T1167] [ 6876.653756][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6876.653756][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6876.653756][ T1167] ipv6_find_idev+0x102/0x170 [ 6876.653756][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6876.653756][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6876.653756][ T1167] netlink_rcv_skb+0x130/0x360 [ 6876.653756][ T1167] netlink_unicast+0x449/0x710 [ 6876.653756][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6876.653756][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6876.653756][ T1167] ___sys_sendmsg+0xee/0x170 [ 6876.653756][ T1167] __sys_sendmsg+0xcd/0x170 [ 6876.653756][ T1167] do_syscall_64+0xc6/0x1e0 [ 6876.653756][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6876.653756][ T1167] [ 6876.655663][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6876.655663][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6876.655663][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6876.655663][ T1167] ipv6_find_idev+0x102/0x170 [ 6876.655663][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6876.655663][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6876.655663][ T1167] netlink_rcv_skb+0x130/0x360 [ 6876.655663][ T1167] netlink_unicast+0x449/0x710 [ 6876.655663][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6876.655663][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6876.655663][ T1167] ___sys_sendmsg+0xee/0x170 [ 6876.655663][ T1167] __sys_sendmsg+0xcd/0x170 [ 6876.655663][ T1167] do_syscall_64+0xc6/0x1e0 [ 6876.655663][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6876.655663][ T1167] [ 6880.225118][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6880.225540][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6880.225540][ T10] netdev_get_by_index+0x5e/0x80 [ 6880.225540][ T10] fib6_nh_init+0x3d8/0x1580 [ 6880.225540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6880.225540][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6880.225540][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6880.225540][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6880.225540][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6880.225540][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6880.225540][ T10] addrconf_dad_begin+0x310/0x670 [ 6880.225540][ T10] addrconf_dad_work+0x10b/0xab0 [ 6880.225540][ T10] process_one_work+0x84d/0x18a0 [ 6880.225540][ T10] worker_thread+0x587/0xd30 [ 6880.225540][ T10] kthread+0x28a/0x350 [ 6880.225540][ T10] ret_from_fork+0x31/0x70 [ 6880.225540][ T10] ret_from_fork_asm+0x1a/0x30 [ 6880.225540][ T10] [ 6880.227686][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6880.227686][ T10] netdev_get_by_index+0x5e/0x80 [ 6880.227686][ T10] fib6_nh_init+0x3d8/0x1580 [ 6880.227686][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6880.227686][ T10] ip6_route_add+0x1c/0x140 [ 6880.227686][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6880.227686][ T10] inet6_addr_add+0x4f8/0xa40 [ 6880.227686][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6880.227686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6880.227686][ T10] netlink_rcv_skb+0x130/0x360 [ 6880.227686][ T10] netlink_unicast+0x449/0x710 [ 6880.227686][ T10] netlink_sendmsg+0x723/0xbe0 [ 6880.227686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6880.227686][ T10] ___sys_sendmsg+0xee/0x170 [ 6880.227686][ T10] __sys_sendmsg+0xcd/0x170 [ 6880.227686][ T10] do_syscall_64+0xc6/0x1e0 [ 6880.227686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6880.227686][ T10] [ 6880.229929][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6880.229929][ T10] netdev_get_by_index+0x5e/0x80 [ 6880.229929][ T10] fib6_nh_init+0x3d8/0x1580 [ 6880.229929][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6880.229929][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6880.229929][ T10] ipv6_add_addr+0x411/0x2000 [ 6880.229929][ T10] inet6_addr_add+0x30e/0xa40 [ 6880.229929][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6880.229929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6880.229929][ T10] netlink_rcv_skb+0x130/0x360 [ 6880.229929][ T10] netlink_unicast+0x449/0x710 [ 6880.229929][ T10] netlink_sendmsg+0x723/0xbe0 [ 6880.229929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6880.229929][ T10] ___sys_sendmsg+0xee/0x170 [ 6880.229929][ T10] __sys_sendmsg+0xcd/0x170 [ 6880.229929][ T10] do_syscall_64+0xc6/0x1e0 [ 6880.229929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6880.229929][ T10] [ 6880.232167][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6880.232167][ T10] netdev_get_by_index+0x5e/0x80 [ 6880.232167][ T10] fib6_nh_init+0x3d8/0x1580 [ 6880.232167][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6880.232167][ T10] ip6_route_add+0x1c/0x140 [ 6880.232167][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6880.232167][ T10] addrconf_add_dev+0xe2/0x170 [ 6880.232167][ T10] inet6_addr_add+0x12f/0xa40 [ 6880.232167][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6880.232167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6880.232167][ T10] netlink_rcv_skb+0x130/0x360 [ 6880.232167][ T10] netlink_unicast+0x449/0x710 [ 6880.232167][ T10] netlink_sendmsg+0x723/0xbe0 [ 6880.232167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6880.232167][ T10] ___sys_sendmsg+0xee/0x170 [ 6880.232167][ T10] __sys_sendmsg+0xcd/0x170 [ 6880.232167][ T10] do_syscall_64+0xc6/0x1e0 [ 6880.232167][ T10] [ 6880.234362][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6880.234362][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6880.234362][ T10] ipv6_find_idev+0x102/0x170 [ 6880.234362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6880.234362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6880.234362][ T10] netlink_rcv_skb+0x130/0x360 [ 6880.234362][ T10] netlink_unicast+0x449/0x710 [ 6880.234362][ T10] netlink_sendmsg+0x723/0xbe0 [ 6880.234362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6880.234362][ T10] ___sys_sendmsg+0xee/0x170 [ 6880.234362][ T10] __sys_sendmsg+0xcd/0x170 [ 6880.234362][ T10] do_syscall_64+0xc6/0x1e0 [ 6880.234362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6880.234362][ T10] [ 6880.236087][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6880.236087][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6880.236087][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6880.236087][ T10] ipv6_find_idev+0x102/0x170 [ 6880.236087][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6880.236087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6880.236087][ T10] netlink_rcv_skb+0x130/0x360 [ 6880.236087][ T10] netlink_unicast+0x449/0x710 [ 6880.236087][ T10] netlink_sendmsg+0x723/0xbe0 [ 6880.236087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6880.236087][ T10] ___sys_sendmsg+0xee/0x170 [ 6880.236087][ T10] __sys_sendmsg+0xcd/0x170 [ 6880.236087][ T10] do_syscall_64+0xc6/0x1e0 [ 6880.236087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6880.236087][ T10] [ 6880.237953][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6880.238236][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6880.238236][ T10] netdev_get_by_index+0x5e/0x80 [ 6880.238236][ T10] fib6_nh_init+0x3d8/0x1580 [ 6880.238236][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6880.238236][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6880.238236][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6880.238236][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6880.238236][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6880.238236][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6880.238236][ T10] addrconf_dad_begin+0x310/0x670 [ 6880.238236][ T10] addrconf_dad_work+0x10b/0xab0 [ 6880.238236][ T10] process_one_work+0x84d/0x18a0 [ 6880.238236][ T10] worker_thread+0x587/0xd30 [ 6880.238236][ T10] kthread+0x28a/0x350 [ 6880.238236][ T10] ret_from_fork+0x31/0x70 [ 6880.238236][ T10] ret_from_fork_asm+0x1a/0x30 [ 6880.238236][ T10] [ 6880.240348][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6880.240348][ T10] netdev_get_by_index+0x5e/0x80 [ 6880.240348][ T10] fib6_nh_init+0x3d8/0x1580 [ 6880.240348][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6880.240348][ T10] ip6_route_add+0x1c/0x140 [ 6880.240348][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6880.240348][ T10] inet6_addr_add+0x4f8/0xa40 [ 6880.240348][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6880.240348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6880.240348][ T10] netlink_rcv_skb+0x130/0x360 [ 6880.240348][ T10] netlink_unicast+0x449/0x710 [ 6880.240348][ T10] netlink_sendmsg+0x723/0xbe0 [ 6880.240348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6880.240348][ T10] ___sys_sendmsg+0xee/0x170 [ 6880.240348][ T10] __sys_sendmsg+0xcd/0x170 [ 6880.240348][ T10] do_syscall_64+0xc6/0x1e0 [ 6880.240348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6880.240348][ T10] [ 6880.242567][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6880.242567][ T10] netdev_get_by_index+0x5e/0x80 [ 6880.242567][ T10] fib6_nh_init+0x3d8/0x1580 [ 6880.242567][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6880.242567][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6880.242567][ T10] ipv6_add_addr+0x411/0x2000 [ 6880.242567][ T10] inet6_addr_add+0x30e/0xa40 [ 6880.242567][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6880.242567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6880.242567][ T10] netlink_rcv_skb+0x130/0x360 [ 6880.242567][ T10] netlink_unicast+0x449/0x710 [ 6880.242567][ T10] netlink_sendmsg+0x723/0xbe0 [ 6880.242567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6880.242567][ T10] ___sys_sendmsg+0xee/0x170 [ 6880.242567][ T10] __sys_sendmsg+0xcd/0x170 [ 6880.242567][ T10] do_syscall_64+0xc6/0x1e0 [ 6880.242567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6880.242567][ T10] [ 6880.244773][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6880.244773][ T10] netdev_get_by_index+0x5e/0x80 [ 6880.244773][ T10] fib6_nh_init+0x3d8/0x1580 [ 6880.244773][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6880.244773][ T10] ip6_route_add+0x1c/0x140 [ 6880.244773][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6880.244773][ T10] addrconf_add_dev+0xe2/0x170 [ 6880.244773][ T10] inet6_addr_add+0x12f/0xa40 [ 6880.244773][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6880.244773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6880.244773][ T10] netlink_rcv_skb+0x130/0x360 [ 6880.244773][ T10] netlink_unicast+0x449/0x710 [ 6880.244773][ T10] netlink_sendmsg+0x723/0xbe0 [ 6880.244773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6880.244773][ T10] ___sys_sendmsg+0xee/0x170 [ 6880.244773][ T10] __sys_sendmsg+0xcd/0x170 [ 6880.244773][ T10] do_syscall_64+0xc6/0x1e0 [ 6880.244773][ T10] [ 6880.246956][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6880.246956][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6880.246956][ T10] ipv6_find_idev+0x102/0x170 [ 6880.246956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6880.246956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6880.246956][ T10] netlink_rcv_skb+0x130/0x360 [ 6880.246956][ T10] netlink_unicast+0x449/0x710 [ 6880.246956][ T10] netlink_sendmsg+0x723/0xbe0 [ 6880.246956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6880.246956][ T10] ___sys_sendmsg+0xee/0x170 [ 6880.246956][ T10] __sys_sendmsg+0xcd/0x170 [ 6880.246956][ T10] do_syscall_64+0xc6/0x1e0 [ 6880.246956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6880.246956][ T10] [ 6880.248685][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6880.248685][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6880.248685][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6880.248685][ T10] ipv6_find_idev+0x102/0x170 [ 6880.248685][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6880.248685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6880.248685][ T10] netlink_rcv_skb+0x130/0x360 [ 6880.248685][ T10] netlink_unicast+0x449/0x710 [ 6880.248685][ T10] netlink_sendmsg+0x723/0xbe0 [ 6880.248685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6880.248685][ T10] ___sys_sendmsg+0xee/0x170 [ 6880.248685][ T10] __sys_sendmsg+0xcd/0x170 [ 6880.248685][ T10] do_syscall_64+0xc6/0x1e0 [ 6880.248685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6880.248685][ T10] [ 6880.250555][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6880.250819][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6880.250819][ T10] netdev_get_by_index+0x5e/0x80 [ 6880.250819][ T10] fib6_nh_init+0x3d8/0x1580 [ 6880.250819][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6880.250819][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6880.250819][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6880.250819][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6880.250819][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6880.250819][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6880.250819][ T10] addrconf_dad_begin+0x310/0x670 [ 6880.250819][ T10] addrconf_dad_work+0x10b/0xab0 [ 6880.250819][ T10] process_one_work+0x84d/0x18a0 [ 6880.250819][ T10] worker_thread+0x587/0xd30 [ 6880.250819][ T10] kthread+0x28a/0x350 [ 6880.250819][ T10] ret_from_fork+0x31/0x70 [ 6880.250819][ T10] ret_from_fork_asm+0x1a/0x30 [ 6880.250819][ T10] [ 6880.252941][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6880.252941][ T10] netdev_get_by_index+0x5e/0x80 [ 6880.252941][ T10] fib6_nh_init+0x3d8/0x1580 [ 6880.252941][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6880.252941][ T10] ip6_route_add+0x1c/0x140 [ 6880.252941][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6880.252941][ T10] inet6_addr_add+0x4f8/0xa40 [ 6880.252941][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6880.252941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6880.252941][ T10] netlink_rcv_skb+0x130/0x360 [ 6880.252941][ T10] netlink_unicast+0x449/0x710 [ 6880.252941][ T10] netlink_sendmsg+0x723/0xbe0 [ 6880.252941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6880.252941][ T10] ___sys_sendmsg+0xee/0x170 [ 6880.252941][ T10] __sys_sendmsg+0xcd/0x170 [ 6880.252941][ T10] do_syscall_64+0xc6/0x1e0 [ 6880.252941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6880.252941][ T10] [ 6880.255336][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6880.255336][ T10] netdev_get_by_index+0x5e/0x80 [ 6880.255336][ T10] fib6_nh_init+0x3d8/0x1580 [ 6880.255336][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6880.255336][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6880.255336][ T10] ipv6_add_addr+0x411/0x2000 [ 6880.255336][ T10] inet6_addr_add+0x30e/0xa40 [ 6880.255336][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6880.255336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6880.255336][ T10] netlink_rcv_skb+0x130/0x360 [ 6880.255336][ T10] netlink_unicast+0x449/0x710 [ 6880.255336][ T10] netlink_sendmsg+0x723/0xbe0 [ 6880.255336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6880.255336][ T10] ___sys_sendmsg+0xee/0x170 [ 6880.255336][ T10] __sys_sendmsg+0xcd/0x170 [ 6880.255336][ T10] do_syscall_64+0xc6/0x1e0 [ 6880.255336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6880.255336][ T10] [ 6880.257846][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6880.257846][ T10] netdev_get_by_index+0x5e/0x80 [ 6880.257846][ T10] fib6_nh_init+0x3d8/0x1580 [ 6880.257846][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6880.257846][ T10] ip6_route_add+0x1c/0x140 [ 6880.257846][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6880.257846][ T10] addrconf_add_dev+0xe2/0x170 [ 6880.257846][ T10] inet6_addr_add+0x12f/0xa40 [ 6880.257846][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6880.257846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6880.257846][ T10] netlink_rcv_skb+0x130/0x360 [ 6880.257846][ T10] netlink_unicast+0x449/0x710 [ 6880.257846][ T10] netlink_sendmsg+0x723/0xbe0 [ 6880.257846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6880.257846][ T10] ___sys_sendmsg+0xee/0x170 [ 6880.257846][ T10] __sys_sendmsg+0xcd/0x170 [ 6880.257846][ T10] do_syscall_64+0xc6/0x1e0 [ 6880.257846][ T10] [ 6880.260186][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6880.260186][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6880.260186][ T10] ipv6_find_idev+0x102/0x170 [ 6880.260186][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6880.260186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6880.260186][ T10] netlink_rcv_skb+0x130/0x360 [ 6880.260186][ T10] netlink_unicast+0x449/0x710 [ 6880.260186][ T10] netlink_sendmsg+0x723/0xbe0 [ 6880.260186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6880.260186][ T10] ___sys_sendmsg+0xee/0x170 [ 6880.260186][ T10] __sys_sendmsg+0xcd/0x170 [ 6880.260186][ T10] do_syscall_64+0xc6/0x1e0 [ 6880.260186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6880.260186][ T10] [ 6880.262058][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6880.262058][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6880.262058][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6880.262058][ T10] ipv6_find_idev+0x102/0x170 [ 6880.262058][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6880.262058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6880.262058][ T10] netlink_rcv_skb+0x130/0x360 [ 6880.262058][ T10] netlink_unicast+0x449/0x710 [ 6880.262058][ T10] netlink_sendmsg+0x723/0xbe0 [ 6880.262058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6880.262058][ T10] ___sys_sendmsg+0xee/0x170 [ 6880.262058][ T10] __sys_sendmsg+0xcd/0x170 [ 6880.262058][ T10] do_syscall_64+0xc6/0x1e0 [ 6880.262058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6880.262058][ T10] [ 6880.264154][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6880.264415][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6880.264415][ T10] netdev_get_by_index+0x5e/0x80 [ 6880.264415][ T10] fib6_nh_init+0x3d8/0x1580 [ 6880.264415][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6880.264415][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6880.264415][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6880.264415][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6880.264415][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6880.264415][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6880.264415][ T10] addrconf_dad_begin+0x310/0x670 [ 6880.264415][ T10] addrconf_dad_work+0x10b/0xab0 [ 6880.264415][ T10] process_one_work+0x84d/0x18a0 [ 6880.264415][ T10] worker_thread+0x587/0xd30 [ 6880.264415][ T10] kthread+0x28a/0x350 [ 6880.264415][ T10] ret_from_fork+0x31/0x70 [ 6880.264415][ T10] ret_from_fork_asm+0x1a/0x30 [ 6880.264415][ T10] [ 6880.266838][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6880.266838][ T10] netdev_get_by_index+0x5e/0x80 [ 6880.266838][ T10] fib6_nh_init+0x3d8/0x1580 [ 6880.266838][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6880.266838][ T10] ip6_route_add+0x1c/0x140 [ 6880.266838][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6880.266838][ T10] inet6_addr_add+0x4f8/0xa40 [ 6880.266838][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6880.266838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6880.266838][ T10] netlink_rcv_skb+0x130/0x360 [ 6880.266838][ T10] netlink_unicast+0x449/0x710 [ 6880.266838][ T10] netlink_sendmsg+0x723/0xbe0 [ 6880.266838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6880.266838][ T10] ___sys_sendmsg+0xee/0x170 [ 6880.266838][ T10] __sys_sendmsg+0xcd/0x170 [ 6880.266838][ T10] do_syscall_64+0xc6/0x1e0 [ 6880.266838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6880.266838][ T10] [ 6880.269232][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6880.269232][ T10] netdev_get_by_index+0x5e/0x80 [ 6880.269232][ T10] fib6_nh_init+0x3d8/0x1580 [ 6880.269232][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6880.269232][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6880.269232][ T10] ipv6_add_addr+0x411/0x2000 [ 6880.269232][ T10] inet6_addr_add+0x30e/0xa40 [ 6880.269232][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6880.269232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6880.269232][ T10] netlink_rcv_skb+0x130/0x360 [ 6880.269232][ T10] netlink_unicast+0x449/0x710 [ 6880.269232][ T10] netlink_sendmsg+0x723/0xbe0 [ 6880.269232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6880.269232][ T10] ___sys_sendmsg+0xee/0x170 [ 6880.269232][ T10] __sys_sendmsg+0xcd/0x170 [ 6880.269232][ T10] do_syscall_64+0xc6/0x1e0 [ 6880.269232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6880.269232][ T10] [ 6880.272234][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6880.272234][ T10] netdev_get_by_index+0x5e/0x80 [ 6880.272234][ T10] fib6_nh_init+0x3d8/0x1580 [ 6880.272234][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6880.272234][ T10] ip6_route_add+0x1c/0x140 [ 6880.272234][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6880.272234][ T10] addrconf_add_dev+0xe2/0x170 [ 6880.272234][ T10] inet6_addr_add+0x12f/0xa40 [ 6880.272234][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6880.272234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6880.272234][ T10] netlink_rcv_skb+0x130/0x360 [ 6880.272234][ T10] netlink_unicast+0x449/0x710 [ 6880.272234][ T10] netlink_sendmsg+0x723/0xbe0 [ 6880.272234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6880.272234][ T10] ___sys_sendmsg+0xee/0x170 [ 6880.272234][ T10] __sys_sendmsg+0xcd/0x170 [ 6880.272234][ T10] do_syscall_64+0xc6/0x1e0 [ 6880.272234][ T10] [ 6880.274653][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6880.274653][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6880.274653][ T10] ipv6_find_idev+0x102/0x170 [ 6880.274653][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6880.274653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6880.274653][ T10] netlink_rcv_skb+0x130/0x360 [ 6880.274653][ T10] netlink_unicast+0x449/0x710 [ 6880.274653][ T10] netlink_sendmsg+0x723/0xbe0 [ 6880.274653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6880.274653][ T10] ___sys_sendmsg+0xee/0x170 [ 6880.274653][ T10] __sys_sendmsg+0xcd/0x170 [ 6880.274653][ T10] do_syscall_64+0xc6/0x1e0 [ 6880.274653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6880.274653][ T10] [ 6880.276549][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6880.276549][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6880.276549][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6880.276549][ T10] ipv6_find_idev+0x102/0x170 [ 6880.276549][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6880.276549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6880.276549][ T10] netlink_rcv_skb+0x130/0x360 [ 6880.276549][ T10] netlink_unicast+0x449/0x710 [ 6880.276549][ T10] netlink_sendmsg+0x723/0xbe0 [ 6880.276549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6880.276549][ T10] ___sys_sendmsg+0xee/0x170 [ 6880.276549][ T10] __sys_sendmsg+0xcd/0x170 [ 6880.276549][ T10] do_syscall_64+0xc6/0x1e0 [ 6880.276549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6880.276549][ T10] [ 6886.793106][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6886.793617][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6886.793617][ T1167] dst_init+0x84/0x4a0 [ 6886.793617][ T1167] dst_alloc+0x97/0x150 [ 6886.793617][ T1167] ip6_dst_alloc+0x23/0x90 [ 6886.793617][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6886.793617][ T1167] ip6_pol_route+0x56f/0x840 [ 6886.793617][ T1167] fib6_rule_lookup+0x334/0x630 [ 6886.793617][ T1167] ip6_route_output_flags+0x259/0x480 [ 6886.793617][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6886.793617][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6886.793617][ T1167] netlink_rcv_skb+0x130/0x360 [ 6886.793617][ T1167] netlink_unicast+0x449/0x710 [ 6886.793617][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6886.793617][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6886.793617][ T1167] ___sys_sendmsg+0xee/0x170 [ 6886.793617][ T1167] __sys_sendmsg+0xcd/0x170 [ 6886.793617][ T1167] do_syscall_64+0xc6/0x1e0 [ 6886.793617][ T1167] [ 6886.795832][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6886.795832][ T1167] netdev_get_by_index+0x5e/0x80 [ 6886.795832][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6886.795832][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6886.795832][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6886.795832][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6886.795832][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6886.795832][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6886.795832][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6886.795832][ T1167] addrconf_dad_begin+0x310/0x670 [ 6886.795832][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6886.795832][ T1167] process_one_work+0x84d/0x18a0 [ 6886.795832][ T1167] worker_thread+0x587/0xd30 [ 6886.795832][ T1167] kthread+0x28a/0x350 [ 6886.795832][ T1167] ret_from_fork+0x31/0x70 [ 6886.795832][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6886.795832][ T1167] [ 6886.797975][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6886.797975][ T1167] netdev_get_by_index+0x5e/0x80 [ 6886.797975][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6886.797975][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6886.797975][ T1167] ip6_route_add+0x1c/0x140 [ 6886.797975][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6886.797975][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6886.797975][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6886.797975][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6886.797975][ T1167] netlink_rcv_skb+0x130/0x360 [ 6886.797975][ T1167] netlink_unicast+0x449/0x710 [ 6886.797975][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6886.797975][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6886.797975][ T1167] ___sys_sendmsg+0xee/0x170 [ 6886.797975][ T1167] __sys_sendmsg+0xcd/0x170 [ 6886.797975][ T1167] do_syscall_64+0xc6/0x1e0 [ 6886.797975][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6886.797975][ T1167] [ 6886.800208][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6886.800208][ T1167] netdev_get_by_index+0x5e/0x80 [ 6886.800208][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6886.800208][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6886.800208][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6886.800208][ T1167] ipv6_add_addr+0x411/0x2000 [ 6886.800208][ T1167] inet6_addr_add+0x30e/0xa40 [ 6886.800208][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6886.800208][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6886.800208][ T1167] netlink_rcv_skb+0x130/0x360 [ 6886.800208][ T1167] netlink_unicast+0x449/0x710 [ 6886.800208][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6886.800208][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6886.800208][ T1167] ___sys_sendmsg+0xee/0x170 [ 6886.800208][ T1167] __sys_sendmsg+0xcd/0x170 [ 6886.800208][ T1167] do_syscall_64+0xc6/0x1e0 [ 6886.800208][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6886.800208][ T1167] [ 6886.802448][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6886.802448][ T1167] netdev_get_by_index+0x5e/0x80 [ 6886.802448][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6886.802448][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6886.802448][ T1167] ip6_route_add+0x1c/0x140 [ 6886.802448][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6886.802448][ T1167] addrconf_add_dev+0xe2/0x170 [ 6886.802448][ T1167] inet6_addr_add+0x12f/0xa40 [ 6886.802448][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6886.802448][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6886.802448][ T1167] netlink_rcv_skb+0x130/0x360 [ 6886.802448][ T1167] netlink_unicast+0x449/0x710 [ 6886.802448][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6886.802448][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6886.802448][ T1167] ___sys_sendmsg+0xee/0x170 [ 6886.802448][ T1167] __sys_sendmsg+0xcd/0x170 [ 6886.802448][ T1167] do_syscall_64+0xc6/0x1e0 [ 6886.802448][ T1167] [ 6886.804643][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6886.804643][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6886.804643][ T1167] ipv6_find_idev+0x102/0x170 [ 6886.804643][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6886.804643][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6886.804643][ T1167] netlink_rcv_skb+0x130/0x360 [ 6886.804643][ T1167] netlink_unicast+0x449/0x710 [ 6886.804643][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6886.804643][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6886.804643][ T1167] ___sys_sendmsg+0xee/0x170 [ 6886.804643][ T1167] __sys_sendmsg+0xcd/0x170 [ 6886.804643][ T1167] do_syscall_64+0xc6/0x1e0 [ 6886.804643][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6886.804643][ T1167] [ 6886.806370][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6886.806370][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6886.806370][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6886.806370][ T1167] ipv6_find_idev+0x102/0x170 [ 6886.806370][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6886.806370][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6886.806370][ T1167] netlink_rcv_skb+0x130/0x360 [ 6886.806370][ T1167] netlink_unicast+0x449/0x710 [ 6886.806370][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6886.806370][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6886.806370][ T1167] ___sys_sendmsg+0xee/0x170 [ 6886.806370][ T1167] __sys_sendmsg+0xcd/0x170 [ 6886.806370][ T1167] do_syscall_64+0xc6/0x1e0 [ 6886.806370][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6886.806370][ T1167] [ 6890.521033][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6890.521464][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6890.521464][ T10] netdev_get_by_index+0x5e/0x80 [ 6890.521464][ T10] fib6_nh_init+0x3d8/0x1580 [ 6890.521464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6890.521464][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6890.521464][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6890.521464][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6890.521464][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6890.521464][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6890.521464][ T10] addrconf_dad_begin+0x310/0x670 [ 6890.521464][ T10] addrconf_dad_work+0x10b/0xab0 [ 6890.521464][ T10] process_one_work+0x84d/0x18a0 [ 6890.521464][ T10] worker_thread+0x587/0xd30 [ 6890.521464][ T10] kthread+0x28a/0x350 [ 6890.521464][ T10] ret_from_fork+0x31/0x70 [ 6890.521464][ T10] ret_from_fork_asm+0x1a/0x30 [ 6890.521464][ T10] [ 6890.523655][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6890.523655][ T10] netdev_get_by_index+0x5e/0x80 [ 6890.523655][ T10] fib6_nh_init+0x3d8/0x1580 [ 6890.523655][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6890.523655][ T10] ip6_route_add+0x1c/0x140 [ 6890.523655][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6890.523655][ T10] inet6_addr_add+0x4f8/0xa40 [ 6890.523655][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6890.523655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6890.523655][ T10] netlink_rcv_skb+0x130/0x360 [ 6890.523655][ T10] netlink_unicast+0x449/0x710 [ 6890.523655][ T10] netlink_sendmsg+0x723/0xbe0 [ 6890.523655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6890.523655][ T10] ___sys_sendmsg+0xee/0x170 [ 6890.523655][ T10] __sys_sendmsg+0xcd/0x170 [ 6890.523655][ T10] do_syscall_64+0xc6/0x1e0 [ 6890.523655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6890.523655][ T10] [ 6890.525891][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6890.525891][ T10] netdev_get_by_index+0x5e/0x80 [ 6890.525891][ T10] fib6_nh_init+0x3d8/0x1580 [ 6890.525891][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6890.525891][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6890.525891][ T10] ipv6_add_addr+0x411/0x2000 [ 6890.525891][ T10] inet6_addr_add+0x30e/0xa40 [ 6890.525891][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6890.525891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6890.525891][ T10] netlink_rcv_skb+0x130/0x360 [ 6890.525891][ T10] netlink_unicast+0x449/0x710 [ 6890.525891][ T10] netlink_sendmsg+0x723/0xbe0 [ 6890.525891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6890.525891][ T10] ___sys_sendmsg+0xee/0x170 [ 6890.525891][ T10] __sys_sendmsg+0xcd/0x170 [ 6890.525891][ T10] do_syscall_64+0xc6/0x1e0 [ 6890.525891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6890.525891][ T10] [ 6890.528106][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6890.528106][ T10] netdev_get_by_index+0x5e/0x80 [ 6890.528106][ T10] fib6_nh_init+0x3d8/0x1580 [ 6890.528106][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6890.528106][ T10] ip6_route_add+0x1c/0x140 [ 6890.528106][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6890.528106][ T10] addrconf_add_dev+0xe2/0x170 [ 6890.528106][ T10] inet6_addr_add+0x12f/0xa40 [ 6890.528106][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6890.528106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6890.528106][ T10] netlink_rcv_skb+0x130/0x360 [ 6890.528106][ T10] netlink_unicast+0x449/0x710 [ 6890.528106][ T10] netlink_sendmsg+0x723/0xbe0 [ 6890.528106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6890.528106][ T10] ___sys_sendmsg+0xee/0x170 [ 6890.528106][ T10] __sys_sendmsg+0xcd/0x170 [ 6890.528106][ T10] do_syscall_64+0xc6/0x1e0 [ 6890.528106][ T10] [ 6890.530281][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6890.530281][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6890.530281][ T10] ipv6_find_idev+0x102/0x170 [ 6890.530281][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6890.530281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6890.530281][ T10] netlink_rcv_skb+0x130/0x360 [ 6890.530281][ T10] netlink_unicast+0x449/0x710 [ 6890.530281][ T10] netlink_sendmsg+0x723/0xbe0 [ 6890.530281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6890.530281][ T10] ___sys_sendmsg+0xee/0x170 [ 6890.530281][ T10] __sys_sendmsg+0xcd/0x170 [ 6890.530281][ T10] do_syscall_64+0xc6/0x1e0 [ 6890.530281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6890.530281][ T10] [ 6890.531974][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6890.531974][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6890.531974][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6890.531974][ T10] ipv6_find_idev+0x102/0x170 [ 6890.531974][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6890.531974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6890.531974][ T10] netlink_rcv_skb+0x130/0x360 [ 6890.531974][ T10] netlink_unicast+0x449/0x710 [ 6890.531974][ T10] netlink_sendmsg+0x723/0xbe0 [ 6890.531974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6890.531974][ T10] ___sys_sendmsg+0xee/0x170 [ 6890.531974][ T10] __sys_sendmsg+0xcd/0x170 [ 6890.531974][ T10] do_syscall_64+0xc6/0x1e0 [ 6890.531974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6890.531974][ T10] [ 6890.533840][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6890.534117][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6890.534117][ T10] netdev_get_by_index+0x5e/0x80 [ 6890.534117][ T10] fib6_nh_init+0x3d8/0x1580 [ 6890.534117][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6890.534117][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6890.534117][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6890.534117][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6890.534117][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6890.534117][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6890.534117][ T10] addrconf_dad_begin+0x310/0x670 [ 6890.534117][ T10] addrconf_dad_work+0x10b/0xab0 [ 6890.534117][ T10] process_one_work+0x84d/0x18a0 [ 6890.534117][ T10] worker_thread+0x587/0xd30 [ 6890.534117][ T10] kthread+0x28a/0x350 [ 6890.534117][ T10] ret_from_fork+0x31/0x70 [ 6890.534117][ T10] ret_from_fork_asm+0x1a/0x30 [ 6890.534117][ T10] [ 6890.536234][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6890.536234][ T10] netdev_get_by_index+0x5e/0x80 [ 6890.536234][ T10] fib6_nh_init+0x3d8/0x1580 [ 6890.536234][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6890.536234][ T10] ip6_route_add+0x1c/0x140 [ 6890.536234][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6890.536234][ T10] inet6_addr_add+0x4f8/0xa40 [ 6890.536234][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6890.536234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6890.536234][ T10] netlink_rcv_skb+0x130/0x360 [ 6890.536234][ T10] netlink_unicast+0x449/0x710 [ 6890.536234][ T10] netlink_sendmsg+0x723/0xbe0 [ 6890.536234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6890.536234][ T10] ___sys_sendmsg+0xee/0x170 [ 6890.536234][ T10] __sys_sendmsg+0xcd/0x170 [ 6890.536234][ T10] do_syscall_64+0xc6/0x1e0 [ 6890.536234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6890.536234][ T10] [ 6890.538442][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6890.538442][ T10] netdev_get_by_index+0x5e/0x80 [ 6890.538442][ T10] fib6_nh_init+0x3d8/0x1580 [ 6890.538442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6890.538442][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6890.538442][ T10] ipv6_add_addr+0x411/0x2000 [ 6890.538442][ T10] inet6_addr_add+0x30e/0xa40 [ 6890.538442][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6890.538442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6890.538442][ T10] netlink_rcv_skb+0x130/0x360 [ 6890.538442][ T10] netlink_unicast+0x449/0x710 [ 6890.538442][ T10] netlink_sendmsg+0x723/0xbe0 [ 6890.538442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6890.538442][ T10] ___sys_sendmsg+0xee/0x170 [ 6890.538442][ T10] __sys_sendmsg+0xcd/0x170 [ 6890.538442][ T10] do_syscall_64+0xc6/0x1e0 [ 6890.538442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6890.538442][ T10] [ 6890.540648][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6890.540648][ T10] netdev_get_by_index+0x5e/0x80 [ 6890.540648][ T10] fib6_nh_init+0x3d8/0x1580 [ 6890.540648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6890.540648][ T10] ip6_route_add+0x1c/0x140 [ 6890.540648][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6890.540648][ T10] addrconf_add_dev+0xe2/0x170 [ 6890.540648][ T10] inet6_addr_add+0x12f/0xa40 [ 6890.540648][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6890.540648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6890.540648][ T10] netlink_rcv_skb+0x130/0x360 [ 6890.540648][ T10] netlink_unicast+0x449/0x710 [ 6890.540648][ T10] netlink_sendmsg+0x723/0xbe0 [ 6890.540648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6890.540648][ T10] ___sys_sendmsg+0xee/0x170 [ 6890.540648][ T10] __sys_sendmsg+0xcd/0x170 [ 6890.540648][ T10] do_syscall_64+0xc6/0x1e0 [ 6890.540648][ T10] [ 6890.542823][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6890.542823][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6890.542823][ T10] ipv6_find_idev+0x102/0x170 [ 6890.542823][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6890.542823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6890.542823][ T10] netlink_rcv_skb+0x130/0x360 [ 6890.542823][ T10] netlink_unicast+0x449/0x710 [ 6890.542823][ T10] netlink_sendmsg+0x723/0xbe0 [ 6890.542823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6890.542823][ T10] ___sys_sendmsg+0xee/0x170 [ 6890.542823][ T10] __sys_sendmsg+0xcd/0x170 [ 6890.542823][ T10] do_syscall_64+0xc6/0x1e0 [ 6890.542823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6890.542823][ T10] [ 6890.544526][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6890.544526][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6890.544526][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6890.544526][ T10] ipv6_find_idev+0x102/0x170 [ 6890.544526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6890.544526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6890.544526][ T10] netlink_rcv_skb+0x130/0x360 [ 6890.544526][ T10] netlink_unicast+0x449/0x710 [ 6890.544526][ T10] netlink_sendmsg+0x723/0xbe0 [ 6890.544526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6890.544526][ T10] ___sys_sendmsg+0xee/0x170 [ 6890.544526][ T10] __sys_sendmsg+0xcd/0x170 [ 6890.544526][ T10] do_syscall_64+0xc6/0x1e0 [ 6890.544526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6890.544526][ T10] [ 6890.546404][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6890.546660][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6890.546660][ T10] netdev_get_by_index+0x5e/0x80 [ 6890.546660][ T10] fib6_nh_init+0x3d8/0x1580 [ 6890.546660][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6890.546660][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6890.546660][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6890.546660][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6890.546660][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6890.546660][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6890.546660][ T10] addrconf_dad_begin+0x310/0x670 [ 6890.546660][ T10] addrconf_dad_work+0x10b/0xab0 [ 6890.546660][ T10] process_one_work+0x84d/0x18a0 [ 6890.546660][ T10] worker_thread+0x587/0xd30 [ 6890.546660][ T10] kthread+0x28a/0x350 [ 6890.546660][ T10] ret_from_fork+0x31/0x70 [ 6890.546660][ T10] ret_from_fork_asm+0x1a/0x30 [ 6890.546660][ T10] [ 6890.548773][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6890.548773][ T10] netdev_get_by_index+0x5e/0x80 [ 6890.548773][ T10] fib6_nh_init+0x3d8/0x1580 [ 6890.548773][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6890.548773][ T10] ip6_route_add+0x1c/0x140 [ 6890.548773][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6890.548773][ T10] inet6_addr_add+0x4f8/0xa40 [ 6890.548773][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6890.548773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6890.548773][ T10] netlink_rcv_skb+0x130/0x360 [ 6890.548773][ T10] netlink_unicast+0x449/0x710 [ 6890.548773][ T10] netlink_sendmsg+0x723/0xbe0 [ 6890.548773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6890.548773][ T10] ___sys_sendmsg+0xee/0x170 [ 6890.548773][ T10] __sys_sendmsg+0xcd/0x170 [ 6890.548773][ T10] do_syscall_64+0xc6/0x1e0 [ 6890.548773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6890.548773][ T10] [ 6890.551135][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6890.551135][ T10] netdev_get_by_index+0x5e/0x80 [ 6890.551135][ T10] fib6_nh_init+0x3d8/0x1580 [ 6890.551135][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6890.551135][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6890.551135][ T10] ipv6_add_addr+0x411/0x2000 [ 6890.551135][ T10] inet6_addr_add+0x30e/0xa40 [ 6890.551135][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6890.551135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6890.551135][ T10] netlink_rcv_skb+0x130/0x360 [ 6890.551135][ T10] netlink_unicast+0x449/0x710 [ 6890.551135][ T10] netlink_sendmsg+0x723/0xbe0 [ 6890.551135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6890.551135][ T10] ___sys_sendmsg+0xee/0x170 [ 6890.551135][ T10] __sys_sendmsg+0xcd/0x170 [ 6890.551135][ T10] do_syscall_64+0xc6/0x1e0 [ 6890.551135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6890.551135][ T10] [ 6890.553489][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6890.553489][ T10] netdev_get_by_index+0x5e/0x80 [ 6890.553489][ T10] fib6_nh_init+0x3d8/0x1580 [ 6890.553489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6890.553489][ T10] ip6_route_add+0x1c/0x140 [ 6890.553489][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6890.553489][ T10] addrconf_add_dev+0xe2/0x170 [ 6890.553489][ T10] inet6_addr_add+0x12f/0xa40 [ 6890.553489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6890.553489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6890.553489][ T10] netlink_rcv_skb+0x130/0x360 [ 6890.553489][ T10] netlink_unicast+0x449/0x710 [ 6890.553489][ T10] netlink_sendmsg+0x723/0xbe0 [ 6890.553489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6890.553489][ T10] ___sys_sendmsg+0xee/0x170 [ 6890.553489][ T10] __sys_sendmsg+0xcd/0x170 [ 6890.553489][ T10] do_syscall_64+0xc6/0x1e0 [ 6890.553489][ T10] [ 6890.555823][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6890.555823][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6890.555823][ T10] ipv6_find_idev+0x102/0x170 [ 6890.555823][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6890.555823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6890.555823][ T10] netlink_rcv_skb+0x130/0x360 [ 6890.555823][ T10] netlink_unicast+0x449/0x710 [ 6890.555823][ T10] netlink_sendmsg+0x723/0xbe0 [ 6890.555823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6890.555823][ T10] ___sys_sendmsg+0xee/0x170 [ 6890.555823][ T10] __sys_sendmsg+0xcd/0x170 [ 6890.555823][ T10] do_syscall_64+0xc6/0x1e0 [ 6890.555823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6890.555823][ T10] [ 6890.557586][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6890.557586][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6890.557586][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6890.557586][ T10] ipv6_find_idev+0x102/0x170 [ 6890.557586][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6890.557586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6890.557586][ T10] netlink_rcv_skb+0x130/0x360 [ 6890.557586][ T10] netlink_unicast+0x449/0x710 [ 6890.557586][ T10] netlink_sendmsg+0x723/0xbe0 [ 6890.557586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6890.557586][ T10] ___sys_sendmsg+0xee/0x170 [ 6890.557586][ T10] __sys_sendmsg+0xcd/0x170 [ 6890.557586][ T10] do_syscall_64+0xc6/0x1e0 [ 6890.557586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6890.557586][ T10] [ 6890.559562][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6890.559814][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6890.559814][ T10] netdev_get_by_index+0x5e/0x80 [ 6890.559814][ T10] fib6_nh_init+0x3d8/0x1580 [ 6890.559814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6890.559814][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6890.559814][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6890.559814][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6890.559814][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6890.559814][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6890.559814][ T10] addrconf_dad_begin+0x310/0x670 [ 6890.559814][ T10] addrconf_dad_work+0x10b/0xab0 [ 6890.559814][ T10] process_one_work+0x84d/0x18a0 [ 6890.559814][ T10] worker_thread+0x587/0xd30 [ 6890.559814][ T10] kthread+0x28a/0x350 [ 6890.559814][ T10] ret_from_fork+0x31/0x70 [ 6890.559814][ T10] ret_from_fork_asm+0x1a/0x30 [ 6890.559814][ T10] [ 6890.562072][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6890.562072][ T10] netdev_get_by_index+0x5e/0x80 [ 6890.562072][ T10] fib6_nh_init+0x3d8/0x1580 [ 6890.562072][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6890.562072][ T10] ip6_route_add+0x1c/0x140 [ 6890.562072][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6890.562072][ T10] inet6_addr_add+0x4f8/0xa40 [ 6890.562072][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6890.562072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6890.562072][ T10] netlink_rcv_skb+0x130/0x360 [ 6890.562072][ T10] netlink_unicast+0x449/0x710 [ 6890.562072][ T10] netlink_sendmsg+0x723/0xbe0 [ 6890.562072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6890.562072][ T10] ___sys_sendmsg+0xee/0x170 [ 6890.562072][ T10] __sys_sendmsg+0xcd/0x170 [ 6890.562072][ T10] do_syscall_64+0xc6/0x1e0 [ 6890.562072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6890.562072][ T10] [ 6890.564422][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6890.564422][ T10] netdev_get_by_index+0x5e/0x80 [ 6890.564422][ T10] fib6_nh_init+0x3d8/0x1580 [ 6890.564422][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6890.564422][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6890.564422][ T10] ipv6_add_addr+0x411/0x2000 [ 6890.564422][ T10] inet6_addr_add+0x30e/0xa40 [ 6890.564422][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6890.564422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6890.564422][ T10] netlink_rcv_skb+0x130/0x360 [ 6890.564422][ T10] netlink_unicast+0x449/0x710 [ 6890.564422][ T10] netlink_sendmsg+0x723/0xbe0 [ 6890.564422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6890.564422][ T10] ___sys_sendmsg+0xee/0x170 [ 6890.564422][ T10] __sys_sendmsg+0xcd/0x170 [ 6890.564422][ T10] do_syscall_64+0xc6/0x1e0 [ 6890.564422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6890.564422][ T10] [ 6890.566791][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6890.566791][ T10] netdev_get_by_index+0x5e/0x80 [ 6890.566791][ T10] fib6_nh_init+0x3d8/0x1580 [ 6890.566791][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6890.566791][ T10] ip6_route_add+0x1c/0x140 [ 6890.566791][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6890.566791][ T10] addrconf_add_dev+0xe2/0x170 [ 6890.566791][ T10] inet6_addr_add+0x12f/0xa40 [ 6890.566791][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6890.566791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6890.566791][ T10] netlink_rcv_skb+0x130/0x360 [ 6890.566791][ T10] netlink_unicast+0x449/0x710 [ 6890.566791][ T10] netlink_sendmsg+0x723/0xbe0 [ 6890.566791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6890.566791][ T10] ___sys_sendmsg+0xee/0x170 [ 6890.566791][ T10] __sys_sendmsg+0xcd/0x170 [ 6890.566791][ T10] do_syscall_64+0xc6/0x1e0 [ 6890.566791][ T10] [ 6890.569106][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6890.569106][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6890.569106][ T10] ipv6_find_idev+0x102/0x170 [ 6890.569106][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6890.569106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6890.569106][ T10] netlink_rcv_skb+0x130/0x360 [ 6890.569106][ T10] netlink_unicast+0x449/0x710 [ 6890.569106][ T10] netlink_sendmsg+0x723/0xbe0 [ 6890.569106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6890.569106][ T10] ___sys_sendmsg+0xee/0x170 [ 6890.569106][ T10] __sys_sendmsg+0xcd/0x170 [ 6890.569106][ T10] do_syscall_64+0xc6/0x1e0 [ 6890.569106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6890.569106][ T10] [ 6890.570877][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6890.570877][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6890.570877][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6890.570877][ T10] ipv6_find_idev+0x102/0x170 [ 6890.570877][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6890.570877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6890.570877][ T10] netlink_rcv_skb+0x130/0x360 [ 6890.570877][ T10] netlink_unicast+0x449/0x710 [ 6890.570877][ T10] netlink_sendmsg+0x723/0xbe0 [ 6890.570877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6890.570877][ T10] ___sys_sendmsg+0xee/0x170 [ 6890.570877][ T10] __sys_sendmsg+0xcd/0x170 [ 6890.570877][ T10] do_syscall_64+0xc6/0x1e0 [ 6890.570877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6890.570877][ T10] [ 6897.057041][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6897.057547][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6897.057547][ T1167] dst_init+0x84/0x4a0 [ 6897.057547][ T1167] dst_alloc+0x97/0x150 [ 6897.057547][ T1167] ip6_dst_alloc+0x23/0x90 [ 6897.057547][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6897.057547][ T1167] ip6_pol_route+0x56f/0x840 [ 6897.057547][ T1167] fib6_rule_lookup+0x334/0x630 [ 6897.057547][ T1167] ip6_route_output_flags+0x259/0x480 [ 6897.057547][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6897.057547][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6897.057547][ T1167] netlink_rcv_skb+0x130/0x360 [ 6897.057547][ T1167] netlink_unicast+0x449/0x710 [ 6897.057547][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6897.057547][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6897.057547][ T1167] ___sys_sendmsg+0xee/0x170 [ 6897.057547][ T1167] __sys_sendmsg+0xcd/0x170 [ 6897.057547][ T1167] do_syscall_64+0xc6/0x1e0 [ 6897.057547][ T1167] [ 6897.059978][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6897.059978][ T1167] netdev_get_by_index+0x5e/0x80 [ 6897.059978][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6897.059978][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6897.059978][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6897.059978][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6897.059978][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6897.059978][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6897.059978][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6897.059978][ T1167] addrconf_dad_begin+0x310/0x670 [ 6897.059978][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6897.059978][ T1167] process_one_work+0x84d/0x18a0 [ 6897.059978][ T1167] worker_thread+0x587/0xd30 [ 6897.059978][ T1167] kthread+0x28a/0x350 [ 6897.059978][ T1167] ret_from_fork+0x31/0x70 [ 6897.059978][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6897.059978][ T1167] [ 6897.062342][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6897.062342][ T1167] netdev_get_by_index+0x5e/0x80 [ 6897.062342][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6897.062342][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6897.062342][ T1167] ip6_route_add+0x1c/0x140 [ 6897.062342][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6897.062342][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6897.062342][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6897.062342][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6897.062342][ T1167] netlink_rcv_skb+0x130/0x360 [ 6897.062342][ T1167] netlink_unicast+0x449/0x710 [ 6897.062342][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6897.062342][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6897.062342][ T1167] ___sys_sendmsg+0xee/0x170 [ 6897.062342][ T1167] __sys_sendmsg+0xcd/0x170 [ 6897.062342][ T1167] do_syscall_64+0xc6/0x1e0 [ 6897.062342][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6897.062342][ T1167] [ 6897.064811][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6897.064811][ T1167] netdev_get_by_index+0x5e/0x80 [ 6897.064811][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6897.064811][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6897.064811][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6897.064811][ T1167] ipv6_add_addr+0x411/0x2000 [ 6897.064811][ T1167] inet6_addr_add+0x30e/0xa40 [ 6897.064811][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6897.064811][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6897.064811][ T1167] netlink_rcv_skb+0x130/0x360 [ 6897.064811][ T1167] netlink_unicast+0x449/0x710 [ 6897.064811][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6897.064811][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6897.064811][ T1167] ___sys_sendmsg+0xee/0x170 [ 6897.064811][ T1167] __sys_sendmsg+0xcd/0x170 [ 6897.064811][ T1167] do_syscall_64+0xc6/0x1e0 [ 6897.064811][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6897.064811][ T1167] [ 6897.067270][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6897.067270][ T1167] netdev_get_by_index+0x5e/0x80 [ 6897.067270][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6897.067270][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6897.067270][ T1167] ip6_route_add+0x1c/0x140 [ 6897.067270][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6897.067270][ T1167] addrconf_add_dev+0xe2/0x170 [ 6897.067270][ T1167] inet6_addr_add+0x12f/0xa40 [ 6897.067270][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6897.067270][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6897.067270][ T1167] netlink_rcv_skb+0x130/0x360 [ 6897.067270][ T1167] netlink_unicast+0x449/0x710 [ 6897.067270][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6897.067270][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6897.067270][ T1167] ___sys_sendmsg+0xee/0x170 [ 6897.067270][ T1167] __sys_sendmsg+0xcd/0x170 [ 6897.067270][ T1167] do_syscall_64+0xc6/0x1e0 [ 6897.067270][ T1167] [ 6897.069687][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6897.069687][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6897.069687][ T1167] ipv6_find_idev+0x102/0x170 [ 6897.069687][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6897.069687][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6897.069687][ T1167] netlink_rcv_skb+0x130/0x360 [ 6897.069687][ T1167] netlink_unicast+0x449/0x710 [ 6897.069687][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6897.069687][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6897.069687][ T1167] ___sys_sendmsg+0xee/0x170 [ 6897.069687][ T1167] __sys_sendmsg+0xcd/0x170 [ 6897.069687][ T1167] do_syscall_64+0xc6/0x1e0 [ 6897.069687][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6897.069687][ T1167] [ 6897.071569][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6897.071569][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6897.071569][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6897.071569][ T1167] ipv6_find_idev+0x102/0x170 [ 6897.071569][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6897.071569][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6897.071569][ T1167] netlink_rcv_skb+0x130/0x360 [ 6897.071569][ T1167] netlink_unicast+0x449/0x710 [ 6897.071569][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6897.071569][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6897.071569][ T1167] ___sys_sendmsg+0xee/0x170 [ 6897.071569][ T1167] __sys_sendmsg+0xcd/0x170 [ 6897.071569][ T1167] do_syscall_64+0xc6/0x1e0 [ 6897.071569][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6897.071569][ T1167] [ 6900.577098][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6900.577531][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6900.577531][ T10] netdev_get_by_index+0x5e/0x80 [ 6900.577531][ T10] fib6_nh_init+0x3d8/0x1580 [ 6900.577531][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6900.577531][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6900.577531][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6900.577531][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6900.577531][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6900.577531][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6900.577531][ T10] addrconf_dad_begin+0x310/0x670 [ 6900.577531][ T10] addrconf_dad_work+0x10b/0xab0 [ 6900.577531][ T10] process_one_work+0x84d/0x18a0 [ 6900.577531][ T10] worker_thread+0x587/0xd30 [ 6900.577531][ T10] kthread+0x28a/0x350 [ 6900.577531][ T10] ret_from_fork+0x31/0x70 [ 6900.577531][ T10] ret_from_fork_asm+0x1a/0x30 [ 6900.577531][ T10] [ 6900.579679][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6900.579679][ T10] netdev_get_by_index+0x5e/0x80 [ 6900.579679][ T10] fib6_nh_init+0x3d8/0x1580 [ 6900.579679][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6900.579679][ T10] ip6_route_add+0x1c/0x140 [ 6900.579679][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6900.579679][ T10] inet6_addr_add+0x4f8/0xa40 [ 6900.579679][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6900.579679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6900.579679][ T10] netlink_rcv_skb+0x130/0x360 [ 6900.579679][ T10] netlink_unicast+0x449/0x710 [ 6900.579679][ T10] netlink_sendmsg+0x723/0xbe0 [ 6900.579679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6900.579679][ T10] ___sys_sendmsg+0xee/0x170 [ 6900.579679][ T10] __sys_sendmsg+0xcd/0x170 [ 6900.579679][ T10] do_syscall_64+0xc6/0x1e0 [ 6900.579679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6900.579679][ T10] [ 6900.581909][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6900.581909][ T10] netdev_get_by_index+0x5e/0x80 [ 6900.581909][ T10] fib6_nh_init+0x3d8/0x1580 [ 6900.581909][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6900.581909][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6900.581909][ T10] ipv6_add_addr+0x411/0x2000 [ 6900.581909][ T10] inet6_addr_add+0x30e/0xa40 [ 6900.581909][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6900.581909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6900.581909][ T10] netlink_rcv_skb+0x130/0x360 [ 6900.581909][ T10] netlink_unicast+0x449/0x710 [ 6900.581909][ T10] netlink_sendmsg+0x723/0xbe0 [ 6900.581909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6900.581909][ T10] ___sys_sendmsg+0xee/0x170 [ 6900.581909][ T10] __sys_sendmsg+0xcd/0x170 [ 6900.581909][ T10] do_syscall_64+0xc6/0x1e0 [ 6900.581909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6900.581909][ T10] [ 6900.584154][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6900.584154][ T10] netdev_get_by_index+0x5e/0x80 [ 6900.584154][ T10] fib6_nh_init+0x3d8/0x1580 [ 6900.584154][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6900.584154][ T10] ip6_route_add+0x1c/0x140 [ 6900.584154][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6900.584154][ T10] addrconf_add_dev+0xe2/0x170 [ 6900.584154][ T10] inet6_addr_add+0x12f/0xa40 [ 6900.584154][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6900.584154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6900.584154][ T10] netlink_rcv_skb+0x130/0x360 [ 6900.584154][ T10] netlink_unicast+0x449/0x710 [ 6900.584154][ T10] netlink_sendmsg+0x723/0xbe0 [ 6900.584154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6900.584154][ T10] ___sys_sendmsg+0xee/0x170 [ 6900.584154][ T10] __sys_sendmsg+0xcd/0x170 [ 6900.584154][ T10] do_syscall_64+0xc6/0x1e0 [ 6900.584154][ T10] [ 6900.586362][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6900.586362][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6900.586362][ T10] ipv6_find_idev+0x102/0x170 [ 6900.586362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6900.586362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6900.586362][ T10] netlink_rcv_skb+0x130/0x360 [ 6900.586362][ T10] netlink_unicast+0x449/0x710 [ 6900.586362][ T10] netlink_sendmsg+0x723/0xbe0 [ 6900.586362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6900.586362][ T10] ___sys_sendmsg+0xee/0x170 [ 6900.586362][ T10] __sys_sendmsg+0xcd/0x170 [ 6900.586362][ T10] do_syscall_64+0xc6/0x1e0 [ 6900.586362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6900.586362][ T10] [ 6900.588078][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6900.588078][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6900.588078][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6900.588078][ T10] ipv6_find_idev+0x102/0x170 [ 6900.588078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6900.588078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6900.588078][ T10] netlink_rcv_skb+0x130/0x360 [ 6900.588078][ T10] netlink_unicast+0x449/0x710 [ 6900.588078][ T10] netlink_sendmsg+0x723/0xbe0 [ 6900.588078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6900.588078][ T10] ___sys_sendmsg+0xee/0x170 [ 6900.588078][ T10] __sys_sendmsg+0xcd/0x170 [ 6900.588078][ T10] do_syscall_64+0xc6/0x1e0 [ 6900.588078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6900.588078][ T10] [ 6900.589956][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6900.590234][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6900.590234][ T10] netdev_get_by_index+0x5e/0x80 [ 6900.590234][ T10] fib6_nh_init+0x3d8/0x1580 [ 6900.590234][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6900.590234][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6900.590234][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6900.590234][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6900.590234][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6900.590234][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6900.590234][ T10] addrconf_dad_begin+0x310/0x670 [ 6900.590234][ T10] addrconf_dad_work+0x10b/0xab0 [ 6900.590234][ T10] process_one_work+0x84d/0x18a0 [ 6900.590234][ T10] worker_thread+0x587/0xd30 [ 6900.590234][ T10] kthread+0x28a/0x350 [ 6900.590234][ T10] ret_from_fork+0x31/0x70 [ 6900.590234][ T10] ret_from_fork_asm+0x1a/0x30 [ 6900.590234][ T10] [ 6900.592359][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6900.592359][ T10] netdev_get_by_index+0x5e/0x80 [ 6900.592359][ T10] fib6_nh_init+0x3d8/0x1580 [ 6900.592359][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6900.592359][ T10] ip6_route_add+0x1c/0x140 [ 6900.592359][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6900.592359][ T10] inet6_addr_add+0x4f8/0xa40 [ 6900.592359][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6900.592359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6900.592359][ T10] netlink_rcv_skb+0x130/0x360 [ 6900.592359][ T10] netlink_unicast+0x449/0x710 [ 6900.592359][ T10] netlink_sendmsg+0x723/0xbe0 [ 6900.592359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6900.592359][ T10] ___sys_sendmsg+0xee/0x170 [ 6900.592359][ T10] __sys_sendmsg+0xcd/0x170 [ 6900.592359][ T10] do_syscall_64+0xc6/0x1e0 [ 6900.592359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6900.592359][ T10] [ 6900.594584][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6900.594584][ T10] netdev_get_by_index+0x5e/0x80 [ 6900.594584][ T10] fib6_nh_init+0x3d8/0x1580 [ 6900.594584][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6900.594584][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6900.594584][ T10] ipv6_add_addr+0x411/0x2000 [ 6900.594584][ T10] inet6_addr_add+0x30e/0xa40 [ 6900.594584][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6900.594584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6900.594584][ T10] netlink_rcv_skb+0x130/0x360 [ 6900.594584][ T10] netlink_unicast+0x449/0x710 [ 6900.594584][ T10] netlink_sendmsg+0x723/0xbe0 [ 6900.594584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6900.594584][ T10] ___sys_sendmsg+0xee/0x170 [ 6900.594584][ T10] __sys_sendmsg+0xcd/0x170 [ 6900.594584][ T10] do_syscall_64+0xc6/0x1e0 [ 6900.594584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6900.594584][ T10] [ 6900.596803][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6900.596803][ T10] netdev_get_by_index+0x5e/0x80 [ 6900.596803][ T10] fib6_nh_init+0x3d8/0x1580 [ 6900.596803][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6900.596803][ T10] ip6_route_add+0x1c/0x140 [ 6900.596803][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6900.596803][ T10] addrconf_add_dev+0xe2/0x170 [ 6900.596803][ T10] inet6_addr_add+0x12f/0xa40 [ 6900.596803][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6900.596803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6900.596803][ T10] netlink_rcv_skb+0x130/0x360 [ 6900.596803][ T10] netlink_unicast+0x449/0x710 [ 6900.596803][ T10] netlink_sendmsg+0x723/0xbe0 [ 6900.596803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6900.596803][ T10] ___sys_sendmsg+0xee/0x170 [ 6900.596803][ T10] __sys_sendmsg+0xcd/0x170 [ 6900.596803][ T10] do_syscall_64+0xc6/0x1e0 [ 6900.596803][ T10] [ 6900.598971][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6900.598971][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6900.598971][ T10] ipv6_find_idev+0x102/0x170 [ 6900.598971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6900.598971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6900.598971][ T10] netlink_rcv_skb+0x130/0x360 [ 6900.598971][ T10] netlink_unicast+0x449/0x710 [ 6900.598971][ T10] netlink_sendmsg+0x723/0xbe0 [ 6900.598971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6900.598971][ T10] ___sys_sendmsg+0xee/0x170 [ 6900.598971][ T10] __sys_sendmsg+0xcd/0x170 [ 6900.598971][ T10] do_syscall_64+0xc6/0x1e0 [ 6900.598971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6900.598971][ T10] [ 6900.600679][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6900.600679][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6900.600679][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6900.600679][ T10] ipv6_find_idev+0x102/0x170 [ 6900.600679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6900.600679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6900.600679][ T10] netlink_rcv_skb+0x130/0x360 [ 6900.600679][ T10] netlink_unicast+0x449/0x710 [ 6900.600679][ T10] netlink_sendmsg+0x723/0xbe0 [ 6900.600679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6900.600679][ T10] ___sys_sendmsg+0xee/0x170 [ 6900.600679][ T10] __sys_sendmsg+0xcd/0x170 [ 6900.600679][ T10] do_syscall_64+0xc6/0x1e0 [ 6900.600679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6900.600679][ T10] [ 6900.602559][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6900.602824][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6900.602824][ T10] netdev_get_by_index+0x5e/0x80 [ 6900.602824][ T10] fib6_nh_init+0x3d8/0x1580 [ 6900.602824][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6900.602824][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6900.602824][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6900.602824][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6900.602824][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6900.602824][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6900.602824][ T10] addrconf_dad_begin+0x310/0x670 [ 6900.602824][ T10] addrconf_dad_work+0x10b/0xab0 [ 6900.602824][ T10] process_one_work+0x84d/0x18a0 [ 6900.602824][ T10] worker_thread+0x587/0xd30 [ 6900.602824][ T10] kthread+0x28a/0x350 [ 6900.602824][ T10] ret_from_fork+0x31/0x70 [ 6900.602824][ T10] ret_from_fork_asm+0x1a/0x30 [ 6900.602824][ T10] [ 6900.604939][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6900.604939][ T10] netdev_get_by_index+0x5e/0x80 [ 6900.604939][ T10] fib6_nh_init+0x3d8/0x1580 [ 6900.604939][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6900.604939][ T10] ip6_route_add+0x1c/0x140 [ 6900.604939][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6900.604939][ T10] inet6_addr_add+0x4f8/0xa40 [ 6900.604939][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6900.604939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6900.604939][ T10] netlink_rcv_skb+0x130/0x360 [ 6900.604939][ T10] netlink_unicast+0x449/0x710 [ 6900.604939][ T10] netlink_sendmsg+0x723/0xbe0 [ 6900.604939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6900.604939][ T10] ___sys_sendmsg+0xee/0x170 [ 6900.604939][ T10] __sys_sendmsg+0xcd/0x170 [ 6900.604939][ T10] do_syscall_64+0xc6/0x1e0 [ 6900.604939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6900.604939][ T10] [ 6900.607344][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6900.607344][ T10] netdev_get_by_index+0x5e/0x80 [ 6900.607344][ T10] fib6_nh_init+0x3d8/0x1580 [ 6900.607344][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6900.607344][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6900.607344][ T10] ipv6_add_addr+0x411/0x2000 [ 6900.607344][ T10] inet6_addr_add+0x30e/0xa40 [ 6900.607344][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6900.607344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6900.607344][ T10] netlink_rcv_skb+0x130/0x360 [ 6900.607344][ T10] netlink_unicast+0x449/0x710 [ 6900.607344][ T10] netlink_sendmsg+0x723/0xbe0 [ 6900.607344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6900.607344][ T10] ___sys_sendmsg+0xee/0x170 [ 6900.607344][ T10] __sys_sendmsg+0xcd/0x170 [ 6900.607344][ T10] do_syscall_64+0xc6/0x1e0 [ 6900.607344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6900.607344][ T10] [ 6900.609861][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6900.609861][ T10] netdev_get_by_index+0x5e/0x80 [ 6900.609861][ T10] fib6_nh_init+0x3d8/0x1580 [ 6900.609861][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6900.609861][ T10] ip6_route_add+0x1c/0x140 [ 6900.609861][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6900.609861][ T10] addrconf_add_dev+0xe2/0x170 [ 6900.609861][ T10] inet6_addr_add+0x12f/0xa40 [ 6900.609861][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6900.609861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6900.609861][ T10] netlink_rcv_skb+0x130/0x360 [ 6900.609861][ T10] netlink_unicast+0x449/0x710 [ 6900.609861][ T10] netlink_sendmsg+0x723/0xbe0 [ 6900.609861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6900.609861][ T10] ___sys_sendmsg+0xee/0x170 [ 6900.609861][ T10] __sys_sendmsg+0xcd/0x170 [ 6900.609861][ T10] do_syscall_64+0xc6/0x1e0 [ 6900.609861][ T10] [ 6900.612276][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6900.612276][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6900.612276][ T10] ipv6_find_idev+0x102/0x170 [ 6900.612276][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6900.612276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6900.612276][ T10] netlink_rcv_skb+0x130/0x360 [ 6900.612276][ T10] netlink_unicast+0x449/0x710 [ 6900.612276][ T10] netlink_sendmsg+0x723/0xbe0 [ 6900.612276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6900.612276][ T10] ___sys_sendmsg+0xee/0x170 [ 6900.612276][ T10] __sys_sendmsg+0xcd/0x170 [ 6900.612276][ T10] do_syscall_64+0xc6/0x1e0 [ 6900.612276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6900.612276][ T10] [ 6900.614160][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6900.614160][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6900.614160][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6900.614160][ T10] ipv6_find_idev+0x102/0x170 [ 6900.614160][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6900.614160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6900.614160][ T10] netlink_rcv_skb+0x130/0x360 [ 6900.614160][ T10] netlink_unicast+0x449/0x710 [ 6900.614160][ T10] netlink_sendmsg+0x723/0xbe0 [ 6900.614160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6900.614160][ T10] ___sys_sendmsg+0xee/0x170 [ 6900.614160][ T10] __sys_sendmsg+0xcd/0x170 [ 6900.614160][ T10] do_syscall_64+0xc6/0x1e0 [ 6900.614160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6900.614160][ T10] [ 6900.616202][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6900.616515][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6900.616515][ T10] netdev_get_by_index+0x5e/0x80 [ 6900.616515][ T10] fib6_nh_init+0x3d8/0x1580 [ 6900.616515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6900.616515][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6900.616515][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6900.616515][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6900.616515][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6900.616515][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6900.616515][ T10] addrconf_dad_begin+0x310/0x670 [ 6900.616515][ T10] addrconf_dad_work+0x10b/0xab0 [ 6900.616515][ T10] process_one_work+0x84d/0x18a0 [ 6900.616515][ T10] worker_thread+0x587/0xd30 [ 6900.616515][ T10] kthread+0x28a/0x350 [ 6900.616515][ T10] ret_from_fork+0x31/0x70 [ 6900.616515][ T10] ret_from_fork_asm+0x1a/0x30 [ 6900.616515][ T10] [ 6900.618864][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6900.618864][ T10] netdev_get_by_index+0x5e/0x80 [ 6900.618864][ T10] fib6_nh_init+0x3d8/0x1580 [ 6900.618864][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6900.618864][ T10] ip6_route_add+0x1c/0x140 [ 6900.618864][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6900.618864][ T10] inet6_addr_add+0x4f8/0xa40 [ 6900.618864][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6900.618864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6900.618864][ T10] netlink_rcv_skb+0x130/0x360 [ 6900.618864][ T10] netlink_unicast+0x449/0x710 [ 6900.618864][ T10] netlink_sendmsg+0x723/0xbe0 [ 6900.618864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6900.618864][ T10] ___sys_sendmsg+0xee/0x170 [ 6900.618864][ T10] __sys_sendmsg+0xcd/0x170 [ 6900.618864][ T10] do_syscall_64+0xc6/0x1e0 [ 6900.618864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6900.618864][ T10] [ 6900.621331][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6900.621331][ T10] netdev_get_by_index+0x5e/0x80 [ 6900.621331][ T10] fib6_nh_init+0x3d8/0x1580 [ 6900.621331][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6900.621331][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6900.621331][ T10] ipv6_add_addr+0x411/0x2000 [ 6900.621331][ T10] inet6_addr_add+0x30e/0xa40 [ 6900.621331][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6900.621331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6900.621331][ T10] netlink_rcv_skb+0x130/0x360 [ 6900.621331][ T10] netlink_unicast+0x449/0x710 [ 6900.621331][ T10] netlink_sendmsg+0x723/0xbe0 [ 6900.621331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6900.621331][ T10] ___sys_sendmsg+0xee/0x170 [ 6900.621331][ T10] __sys_sendmsg+0xcd/0x170 [ 6900.621331][ T10] do_syscall_64+0xc6/0x1e0 [ 6900.621331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6900.621331][ T10] [ 6900.623792][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6900.623792][ T10] netdev_get_by_index+0x5e/0x80 [ 6900.623792][ T10] fib6_nh_init+0x3d8/0x1580 [ 6900.623792][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6900.623792][ T10] ip6_route_add+0x1c/0x140 [ 6900.623792][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6900.623792][ T10] addrconf_add_dev+0xe2/0x170 [ 6900.623792][ T10] inet6_addr_add+0x12f/0xa40 [ 6900.623792][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6900.623792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6900.623792][ T10] netlink_rcv_skb+0x130/0x360 [ 6900.623792][ T10] netlink_unicast+0x449/0x710 [ 6900.623792][ T10] netlink_sendmsg+0x723/0xbe0 [ 6900.623792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6900.623792][ T10] ___sys_sendmsg+0xee/0x170 [ 6900.623792][ T10] __sys_sendmsg+0xcd/0x170 [ 6900.623792][ T10] do_syscall_64+0xc6/0x1e0 [ 6900.623792][ T10] [ 6900.626229][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6900.626229][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6900.626229][ T10] ipv6_find_idev+0x102/0x170 [ 6900.626229][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6900.626229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6900.626229][ T10] netlink_rcv_skb+0x130/0x360 [ 6900.626229][ T10] netlink_unicast+0x449/0x710 [ 6900.626229][ T10] netlink_sendmsg+0x723/0xbe0 [ 6900.626229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6900.626229][ T10] ___sys_sendmsg+0xee/0x170 [ 6900.626229][ T10] __sys_sendmsg+0xcd/0x170 [ 6900.626229][ T10] do_syscall_64+0xc6/0x1e0 [ 6900.626229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6900.626229][ T10] [ 6900.628184][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6900.628184][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6900.628184][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6900.628184][ T10] ipv6_find_idev+0x102/0x170 [ 6900.628184][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6900.628184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6900.628184][ T10] netlink_rcv_skb+0x130/0x360 [ 6900.628184][ T10] netlink_unicast+0x449/0x710 [ 6900.628184][ T10] netlink_sendmsg+0x723/0xbe0 [ 6900.628184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6900.628184][ T10] ___sys_sendmsg+0xee/0x170 [ 6900.628184][ T10] __sys_sendmsg+0xcd/0x170 [ 6900.628184][ T10] do_syscall_64+0xc6/0x1e0 [ 6900.628184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6900.628184][ T10] [ 6907.321031][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6907.321530][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6907.321530][ T1167] dst_init+0x84/0x4a0 [ 6907.321530][ T1167] dst_alloc+0x97/0x150 [ 6907.321530][ T1167] ip6_dst_alloc+0x23/0x90 [ 6907.321530][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6907.321530][ T1167] ip6_pol_route+0x56f/0x840 [ 6907.321530][ T1167] fib6_rule_lookup+0x334/0x630 [ 6907.321530][ T1167] ip6_route_output_flags+0x259/0x480 [ 6907.321530][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6907.321530][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6907.321530][ T1167] netlink_rcv_skb+0x130/0x360 [ 6907.321530][ T1167] netlink_unicast+0x449/0x710 [ 6907.321530][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6907.321530][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6907.321530][ T1167] ___sys_sendmsg+0xee/0x170 [ 6907.321530][ T1167] __sys_sendmsg+0xcd/0x170 [ 6907.321530][ T1167] do_syscall_64+0xc6/0x1e0 [ 6907.321530][ T1167] [ 6907.323952][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6907.323952][ T1167] netdev_get_by_index+0x5e/0x80 [ 6907.323952][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6907.323952][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6907.323952][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6907.323952][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6907.323952][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6907.323952][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6907.323952][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6907.323952][ T1167] addrconf_dad_begin+0x310/0x670 [ 6907.323952][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6907.323952][ T1167] process_one_work+0x84d/0x18a0 [ 6907.323952][ T1167] worker_thread+0x587/0xd30 [ 6907.323952][ T1167] kthread+0x28a/0x350 [ 6907.323952][ T1167] ret_from_fork+0x31/0x70 [ 6907.323952][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6907.323952][ T1167] [ 6907.326318][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6907.326318][ T1167] netdev_get_by_index+0x5e/0x80 [ 6907.326318][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6907.326318][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6907.326318][ T1167] ip6_route_add+0x1c/0x140 [ 6907.326318][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6907.326318][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6907.326318][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6907.326318][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6907.326318][ T1167] netlink_rcv_skb+0x130/0x360 [ 6907.326318][ T1167] netlink_unicast+0x449/0x710 [ 6907.326318][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6907.326318][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6907.326318][ T1167] ___sys_sendmsg+0xee/0x170 [ 6907.326318][ T1167] __sys_sendmsg+0xcd/0x170 [ 6907.326318][ T1167] do_syscall_64+0xc6/0x1e0 [ 6907.326318][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6907.326318][ T1167] [ 6907.328765][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6907.328765][ T1167] netdev_get_by_index+0x5e/0x80 [ 6907.328765][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6907.328765][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6907.328765][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6907.328765][ T1167] ipv6_add_addr+0x411/0x2000 [ 6907.328765][ T1167] inet6_addr_add+0x30e/0xa40 [ 6907.328765][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6907.328765][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6907.328765][ T1167] netlink_rcv_skb+0x130/0x360 [ 6907.328765][ T1167] netlink_unicast+0x449/0x710 [ 6907.328765][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6907.328765][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6907.328765][ T1167] ___sys_sendmsg+0xee/0x170 [ 6907.328765][ T1167] __sys_sendmsg+0xcd/0x170 [ 6907.328765][ T1167] do_syscall_64+0xc6/0x1e0 [ 6907.328765][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6907.328765][ T1167] [ 6907.331229][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6907.331229][ T1167] netdev_get_by_index+0x5e/0x80 [ 6907.331229][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6907.331229][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6907.331229][ T1167] ip6_route_add+0x1c/0x140 [ 6907.331229][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6907.331229][ T1167] addrconf_add_dev+0xe2/0x170 [ 6907.331229][ T1167] inet6_addr_add+0x12f/0xa40 [ 6907.331229][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6907.331229][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6907.331229][ T1167] netlink_rcv_skb+0x130/0x360 [ 6907.331229][ T1167] netlink_unicast+0x449/0x710 [ 6907.331229][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6907.331229][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6907.331229][ T1167] ___sys_sendmsg+0xee/0x170 [ 6907.331229][ T1167] __sys_sendmsg+0xcd/0x170 [ 6907.331229][ T1167] do_syscall_64+0xc6/0x1e0 [ 6907.331229][ T1167] [ 6907.333655][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6907.333655][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6907.333655][ T1167] ipv6_find_idev+0x102/0x170 [ 6907.333655][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6907.333655][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6907.333655][ T1167] netlink_rcv_skb+0x130/0x360 [ 6907.333655][ T1167] netlink_unicast+0x449/0x710 [ 6907.333655][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6907.333655][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6907.333655][ T1167] ___sys_sendmsg+0xee/0x170 [ 6907.333655][ T1167] __sys_sendmsg+0xcd/0x170 [ 6907.333655][ T1167] do_syscall_64+0xc6/0x1e0 [ 6907.333655][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6907.333655][ T1167] [ 6907.335562][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6907.335562][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6907.335562][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6907.335562][ T1167] ipv6_find_idev+0x102/0x170 [ 6907.335562][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6907.335562][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6907.335562][ T1167] netlink_rcv_skb+0x130/0x360 [ 6907.335562][ T1167] netlink_unicast+0x449/0x710 [ 6907.335562][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6907.335562][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6907.335562][ T1167] ___sys_sendmsg+0xee/0x170 [ 6907.335562][ T1167] __sys_sendmsg+0xcd/0x170 [ 6907.335562][ T1167] do_syscall_64+0xc6/0x1e0 [ 6907.335562][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6907.335562][ T1167] [ 6910.881106][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6910.881551][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6910.881551][ T10] netdev_get_by_index+0x5e/0x80 [ 6910.881551][ T10] fib6_nh_init+0x3d8/0x1580 [ 6910.881551][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6910.881551][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6910.881551][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6910.881551][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6910.881551][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6910.881551][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6910.881551][ T10] addrconf_dad_begin+0x310/0x670 [ 6910.881551][ T10] addrconf_dad_work+0x10b/0xab0 [ 6910.881551][ T10] process_one_work+0x84d/0x18a0 [ 6910.881551][ T10] worker_thread+0x587/0xd30 [ 6910.881551][ T10] kthread+0x28a/0x350 [ 6910.881551][ T10] ret_from_fork+0x31/0x70 [ 6910.881551][ T10] ret_from_fork_asm+0x1a/0x30 [ 6910.881551][ T10] [ 6910.883506][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6910.883506][ T10] netdev_get_by_index+0x5e/0x80 [ 6910.883506][ T10] fib6_nh_init+0x3d8/0x1580 [ 6910.883506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6910.883506][ T10] ip6_route_add+0x1c/0x140 [ 6910.883506][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6910.883506][ T10] inet6_addr_add+0x4f8/0xa40 [ 6910.883506][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6910.883506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.883506][ T10] netlink_rcv_skb+0x130/0x360 [ 6910.883506][ T10] netlink_unicast+0x449/0x710 [ 6910.883506][ T10] netlink_sendmsg+0x723/0xbe0 [ 6910.883506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6910.883506][ T10] ___sys_sendmsg+0xee/0x170 [ 6910.883506][ T10] __sys_sendmsg+0xcd/0x170 [ 6910.883506][ T10] do_syscall_64+0xc6/0x1e0 [ 6910.883506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.883506][ T10] [ 6910.885501][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6910.885501][ T10] netdev_get_by_index+0x5e/0x80 [ 6910.885501][ T10] fib6_nh_init+0x3d8/0x1580 [ 6910.885501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6910.885501][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6910.885501][ T10] ipv6_add_addr+0x411/0x2000 [ 6910.885501][ T10] inet6_addr_add+0x30e/0xa40 [ 6910.885501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6910.885501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.885501][ T10] netlink_rcv_skb+0x130/0x360 [ 6910.885501][ T10] netlink_unicast+0x449/0x710 [ 6910.885501][ T10] netlink_sendmsg+0x723/0xbe0 [ 6910.885501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6910.885501][ T10] ___sys_sendmsg+0xee/0x170 [ 6910.885501][ T10] __sys_sendmsg+0xcd/0x170 [ 6910.885501][ T10] do_syscall_64+0xc6/0x1e0 [ 6910.885501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.885501][ T10] [ 6910.887566][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6910.887566][ T10] netdev_get_by_index+0x5e/0x80 [ 6910.887566][ T10] fib6_nh_init+0x3d8/0x1580 [ 6910.887566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6910.887566][ T10] ip6_route_add+0x1c/0x140 [ 6910.887566][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6910.887566][ T10] addrconf_add_dev+0xe2/0x170 [ 6910.887566][ T10] inet6_addr_add+0x12f/0xa40 [ 6910.887566][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6910.887566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.887566][ T10] netlink_rcv_skb+0x130/0x360 [ 6910.887566][ T10] netlink_unicast+0x449/0x710 [ 6910.887566][ T10] netlink_sendmsg+0x723/0xbe0 [ 6910.887566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6910.887566][ T10] ___sys_sendmsg+0xee/0x170 [ 6910.887566][ T10] __sys_sendmsg+0xcd/0x170 [ 6910.887566][ T10] do_syscall_64+0xc6/0x1e0 [ 6910.887566][ T10] [ 6910.889527][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6910.889527][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6910.889527][ T10] ipv6_find_idev+0x102/0x170 [ 6910.889527][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6910.889527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.889527][ T10] netlink_rcv_skb+0x130/0x360 [ 6910.889527][ T10] netlink_unicast+0x449/0x710 [ 6910.889527][ T10] netlink_sendmsg+0x723/0xbe0 [ 6910.889527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6910.889527][ T10] ___sys_sendmsg+0xee/0x170 [ 6910.889527][ T10] __sys_sendmsg+0xcd/0x170 [ 6910.889527][ T10] do_syscall_64+0xc6/0x1e0 [ 6910.889527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.889527][ T10] [ 6910.891063][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6910.891063][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6910.891063][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6910.891063][ T10] ipv6_find_idev+0x102/0x170 [ 6910.891063][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6910.891063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.891063][ T10] netlink_rcv_skb+0x130/0x360 [ 6910.891063][ T10] netlink_unicast+0x449/0x710 [ 6910.891063][ T10] netlink_sendmsg+0x723/0xbe0 [ 6910.891063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6910.891063][ T10] ___sys_sendmsg+0xee/0x170 [ 6910.891063][ T10] __sys_sendmsg+0xcd/0x170 [ 6910.891063][ T10] do_syscall_64+0xc6/0x1e0 [ 6910.891063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.891063][ T10] [ 6910.892758][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6910.893004][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6910.893004][ T10] netdev_get_by_index+0x5e/0x80 [ 6910.893004][ T10] fib6_nh_init+0x3d8/0x1580 [ 6910.893004][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6910.893004][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6910.893004][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6910.893004][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6910.893004][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6910.893004][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6910.893004][ T10] addrconf_dad_begin+0x310/0x670 [ 6910.893004][ T10] addrconf_dad_work+0x10b/0xab0 [ 6910.893004][ T10] process_one_work+0x84d/0x18a0 [ 6910.893004][ T10] worker_thread+0x587/0xd30 [ 6910.893004][ T10] kthread+0x28a/0x350 [ 6910.893004][ T10] ret_from_fork+0x31/0x70 [ 6910.893004][ T10] ret_from_fork_asm+0x1a/0x30 [ 6910.893004][ T10] [ 6910.894907][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6910.894907][ T10] netdev_get_by_index+0x5e/0x80 [ 6910.894907][ T10] fib6_nh_init+0x3d8/0x1580 [ 6910.894907][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6910.894907][ T10] ip6_route_add+0x1c/0x140 [ 6910.894907][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6910.894907][ T10] inet6_addr_add+0x4f8/0xa40 [ 6910.894907][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6910.894907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.894907][ T10] netlink_rcv_skb+0x130/0x360 [ 6910.894907][ T10] netlink_unicast+0x449/0x710 [ 6910.894907][ T10] netlink_sendmsg+0x723/0xbe0 [ 6910.894907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6910.894907][ T10] ___sys_sendmsg+0xee/0x170 [ 6910.894907][ T10] __sys_sendmsg+0xcd/0x170 [ 6910.894907][ T10] do_syscall_64+0xc6/0x1e0 [ 6910.894907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.894907][ T10] [ 6910.896901][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6910.896901][ T10] netdev_get_by_index+0x5e/0x80 [ 6910.896901][ T10] fib6_nh_init+0x3d8/0x1580 [ 6910.896901][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6910.896901][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6910.896901][ T10] ipv6_add_addr+0x411/0x2000 [ 6910.896901][ T10] inet6_addr_add+0x30e/0xa40 [ 6910.896901][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6910.896901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.896901][ T10] netlink_rcv_skb+0x130/0x360 [ 6910.896901][ T10] netlink_unicast+0x449/0x710 [ 6910.896901][ T10] netlink_sendmsg+0x723/0xbe0 [ 6910.896901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6910.896901][ T10] ___sys_sendmsg+0xee/0x170 [ 6910.896901][ T10] __sys_sendmsg+0xcd/0x170 [ 6910.896901][ T10] do_syscall_64+0xc6/0x1e0 [ 6910.896901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.896901][ T10] [ 6910.898892][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6910.898892][ T10] netdev_get_by_index+0x5e/0x80 [ 6910.898892][ T10] fib6_nh_init+0x3d8/0x1580 [ 6910.898892][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6910.898892][ T10] ip6_route_add+0x1c/0x140 [ 6910.898892][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6910.898892][ T10] addrconf_add_dev+0xe2/0x170 [ 6910.898892][ T10] inet6_addr_add+0x12f/0xa40 [ 6910.898892][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6910.898892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.898892][ T10] netlink_rcv_skb+0x130/0x360 [ 6910.898892][ T10] netlink_unicast+0x449/0x710 [ 6910.898892][ T10] netlink_sendmsg+0x723/0xbe0 [ 6910.898892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6910.898892][ T10] ___sys_sendmsg+0xee/0x170 [ 6910.898892][ T10] __sys_sendmsg+0xcd/0x170 [ 6910.898892][ T10] do_syscall_64+0xc6/0x1e0 [ 6910.898892][ T10] [ 6910.900850][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6910.900850][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6910.900850][ T10] ipv6_find_idev+0x102/0x170 [ 6910.900850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6910.900850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.900850][ T10] netlink_rcv_skb+0x130/0x360 [ 6910.900850][ T10] netlink_unicast+0x449/0x710 [ 6910.900850][ T10] netlink_sendmsg+0x723/0xbe0 [ 6910.900850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6910.900850][ T10] ___sys_sendmsg+0xee/0x170 [ 6910.900850][ T10] __sys_sendmsg+0xcd/0x170 [ 6910.900850][ T10] do_syscall_64+0xc6/0x1e0 [ 6910.900850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.900850][ T10] [ 6910.902377][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6910.902377][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6910.902377][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6910.902377][ T10] ipv6_find_idev+0x102/0x170 [ 6910.902377][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6910.902377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.902377][ T10] netlink_rcv_skb+0x130/0x360 [ 6910.902377][ T10] netlink_unicast+0x449/0x710 [ 6910.902377][ T10] netlink_sendmsg+0x723/0xbe0 [ 6910.902377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6910.902377][ T10] ___sys_sendmsg+0xee/0x170 [ 6910.902377][ T10] __sys_sendmsg+0xcd/0x170 [ 6910.902377][ T10] do_syscall_64+0xc6/0x1e0 [ 6910.902377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.902377][ T10] [ 6910.904058][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6910.904296][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6910.904296][ T10] netdev_get_by_index+0x5e/0x80 [ 6910.904296][ T10] fib6_nh_init+0x3d8/0x1580 [ 6910.904296][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6910.904296][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6910.904296][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6910.904296][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6910.904296][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6910.904296][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6910.904296][ T10] addrconf_dad_begin+0x310/0x670 [ 6910.904296][ T10] addrconf_dad_work+0x10b/0xab0 [ 6910.904296][ T10] process_one_work+0x84d/0x18a0 [ 6910.904296][ T10] worker_thread+0x587/0xd30 [ 6910.904296][ T10] kthread+0x28a/0x350 [ 6910.904296][ T10] ret_from_fork+0x31/0x70 [ 6910.904296][ T10] ret_from_fork_asm+0x1a/0x30 [ 6910.904296][ T10] [ 6910.906202][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6910.906202][ T10] netdev_get_by_index+0x5e/0x80 [ 6910.906202][ T10] fib6_nh_init+0x3d8/0x1580 [ 6910.906202][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6910.906202][ T10] ip6_route_add+0x1c/0x140 [ 6910.906202][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6910.906202][ T10] inet6_addr_add+0x4f8/0xa40 [ 6910.906202][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6910.906202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.906202][ T10] netlink_rcv_skb+0x130/0x360 [ 6910.906202][ T10] netlink_unicast+0x449/0x710 [ 6910.906202][ T10] netlink_sendmsg+0x723/0xbe0 [ 6910.906202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6910.906202][ T10] ___sys_sendmsg+0xee/0x170 [ 6910.906202][ T10] __sys_sendmsg+0xcd/0x170 [ 6910.906202][ T10] do_syscall_64+0xc6/0x1e0 [ 6910.906202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.906202][ T10] [ 6910.908393][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6910.908393][ T10] netdev_get_by_index+0x5e/0x80 [ 6910.908393][ T10] fib6_nh_init+0x3d8/0x1580 [ 6910.908393][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6910.908393][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6910.908393][ T10] ipv6_add_addr+0x411/0x2000 [ 6910.908393][ T10] inet6_addr_add+0x30e/0xa40 [ 6910.908393][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6910.908393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.908393][ T10] netlink_rcv_skb+0x130/0x360 [ 6910.908393][ T10] netlink_unicast+0x449/0x710 [ 6910.908393][ T10] netlink_sendmsg+0x723/0xbe0 [ 6910.908393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6910.908393][ T10] ___sys_sendmsg+0xee/0x170 [ 6910.908393][ T10] __sys_sendmsg+0xcd/0x170 [ 6910.908393][ T10] do_syscall_64+0xc6/0x1e0 [ 6910.908393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.908393][ T10] [ 6910.910616][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6910.910616][ T10] netdev_get_by_index+0x5e/0x80 [ 6910.910616][ T10] fib6_nh_init+0x3d8/0x1580 [ 6910.910616][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6910.910616][ T10] ip6_route_add+0x1c/0x140 [ 6910.910616][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6910.910616][ T10] addrconf_add_dev+0xe2/0x170 [ 6910.910616][ T10] inet6_addr_add+0x12f/0xa40 [ 6910.910616][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6910.910616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.910616][ T10] netlink_rcv_skb+0x130/0x360 [ 6910.910616][ T10] netlink_unicast+0x449/0x710 [ 6910.910616][ T10] netlink_sendmsg+0x723/0xbe0 [ 6910.910616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6910.910616][ T10] ___sys_sendmsg+0xee/0x170 [ 6910.910616][ T10] __sys_sendmsg+0xcd/0x170 [ 6910.910616][ T10] do_syscall_64+0xc6/0x1e0 [ 6910.910616][ T10] [ 6910.912798][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6910.912798][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6910.912798][ T10] ipv6_find_idev+0x102/0x170 [ 6910.912798][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6910.912798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.912798][ T10] netlink_rcv_skb+0x130/0x360 [ 6910.912798][ T10] netlink_unicast+0x449/0x710 [ 6910.912798][ T10] netlink_sendmsg+0x723/0xbe0 [ 6910.912798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6910.912798][ T10] ___sys_sendmsg+0xee/0x170 [ 6910.912798][ T10] __sys_sendmsg+0xcd/0x170 [ 6910.912798][ T10] do_syscall_64+0xc6/0x1e0 [ 6910.912798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.912798][ T10] [ 6910.914450][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6910.914450][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6910.914450][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6910.914450][ T10] ipv6_find_idev+0x102/0x170 [ 6910.914450][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6910.914450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.914450][ T10] netlink_rcv_skb+0x130/0x360 [ 6910.914450][ T10] netlink_unicast+0x449/0x710 [ 6910.914450][ T10] netlink_sendmsg+0x723/0xbe0 [ 6910.914450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6910.914450][ T10] ___sys_sendmsg+0xee/0x170 [ 6910.914450][ T10] __sys_sendmsg+0xcd/0x170 [ 6910.914450][ T10] do_syscall_64+0xc6/0x1e0 [ 6910.914450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.914450][ T10] [ 6910.916371][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6910.916607][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6910.916607][ T10] netdev_get_by_index+0x5e/0x80 [ 6910.916607][ T10] fib6_nh_init+0x3d8/0x1580 [ 6910.916607][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6910.916607][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6910.916607][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6910.916607][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6910.916607][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6910.916607][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6910.916607][ T10] addrconf_dad_begin+0x310/0x670 [ 6910.916607][ T10] addrconf_dad_work+0x10b/0xab0 [ 6910.916607][ T10] process_one_work+0x84d/0x18a0 [ 6910.916607][ T10] worker_thread+0x587/0xd30 [ 6910.916607][ T10] kthread+0x28a/0x350 [ 6910.916607][ T10] ret_from_fork+0x31/0x70 [ 6910.916607][ T10] ret_from_fork_asm+0x1a/0x30 [ 6910.916607][ T10] [ 6910.918739][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6910.918739][ T10] netdev_get_by_index+0x5e/0x80 [ 6910.918739][ T10] fib6_nh_init+0x3d8/0x1580 [ 6910.918739][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6910.918739][ T10] ip6_route_add+0x1c/0x140 [ 6910.918739][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6910.918739][ T10] inet6_addr_add+0x4f8/0xa40 [ 6910.918739][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6910.918739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.918739][ T10] netlink_rcv_skb+0x130/0x360 [ 6910.918739][ T10] netlink_unicast+0x449/0x710 [ 6910.918739][ T10] netlink_sendmsg+0x723/0xbe0 [ 6910.918739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6910.918739][ T10] ___sys_sendmsg+0xee/0x170 [ 6910.918739][ T10] __sys_sendmsg+0xcd/0x170 [ 6910.918739][ T10] do_syscall_64+0xc6/0x1e0 [ 6910.918739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.918739][ T10] [ 6910.920963][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6910.920963][ T10] netdev_get_by_index+0x5e/0x80 [ 6910.920963][ T10] fib6_nh_init+0x3d8/0x1580 [ 6910.920963][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6910.920963][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6910.920963][ T10] ipv6_add_addr+0x411/0x2000 [ 6910.920963][ T10] inet6_addr_add+0x30e/0xa40 [ 6910.920963][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6910.920963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.920963][ T10] netlink_rcv_skb+0x130/0x360 [ 6910.920963][ T10] netlink_unicast+0x449/0x710 [ 6910.920963][ T10] netlink_sendmsg+0x723/0xbe0 [ 6910.920963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6910.920963][ T10] ___sys_sendmsg+0xee/0x170 [ 6910.920963][ T10] __sys_sendmsg+0xcd/0x170 [ 6910.920963][ T10] do_syscall_64+0xc6/0x1e0 [ 6910.920963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.920963][ T10] [ 6910.923134][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6910.923134][ T10] netdev_get_by_index+0x5e/0x80 [ 6910.923134][ T10] fib6_nh_init+0x3d8/0x1580 [ 6910.923134][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6910.923134][ T10] ip6_route_add+0x1c/0x140 [ 6910.923134][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6910.923134][ T10] addrconf_add_dev+0xe2/0x170 [ 6910.923134][ T10] inet6_addr_add+0x12f/0xa40 [ 6910.923134][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6910.923134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.923134][ T10] netlink_rcv_skb+0x130/0x360 [ 6910.923134][ T10] netlink_unicast+0x449/0x710 [ 6910.923134][ T10] netlink_sendmsg+0x723/0xbe0 [ 6910.923134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6910.923134][ T10] ___sys_sendmsg+0xee/0x170 [ 6910.923134][ T10] __sys_sendmsg+0xcd/0x170 [ 6910.923134][ T10] do_syscall_64+0xc6/0x1e0 [ 6910.923134][ T10] [ 6910.925385][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6910.925385][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6910.925385][ T10] ipv6_find_idev+0x102/0x170 [ 6910.925385][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6910.925385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.925385][ T10] netlink_rcv_skb+0x130/0x360 [ 6910.925385][ T10] netlink_unicast+0x449/0x710 [ 6910.925385][ T10] netlink_sendmsg+0x723/0xbe0 [ 6910.925385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6910.925385][ T10] ___sys_sendmsg+0xee/0x170 [ 6910.925385][ T10] __sys_sendmsg+0xcd/0x170 [ 6910.925385][ T10] do_syscall_64+0xc6/0x1e0 [ 6910.925385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.925385][ T10] [ 6910.927099][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6910.927099][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6910.927099][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6910.927099][ T10] ipv6_find_idev+0x102/0x170 [ 6910.927099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6910.927099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6910.927099][ T10] netlink_rcv_skb+0x130/0x360 [ 6910.927099][ T10] netlink_unicast+0x449/0x710 [ 6910.927099][ T10] netlink_sendmsg+0x723/0xbe0 [ 6910.927099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6910.927099][ T10] ___sys_sendmsg+0xee/0x170 [ 6910.927099][ T10] __sys_sendmsg+0xcd/0x170 [ 6910.927099][ T10] do_syscall_64+0xc6/0x1e0 [ 6910.927099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6910.927099][ T10] [ 6917.585125][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6917.585640][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6917.585640][ T1167] dst_init+0x84/0x4a0 [ 6917.585640][ T1167] dst_alloc+0x97/0x150 [ 6917.585640][ T1167] ip6_dst_alloc+0x23/0x90 [ 6917.585640][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6917.585640][ T1167] ip6_pol_route+0x56f/0x840 [ 6917.585640][ T1167] fib6_rule_lookup+0x334/0x630 [ 6917.585640][ T1167] ip6_route_output_flags+0x259/0x480 [ 6917.585640][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6917.585640][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6917.585640][ T1167] netlink_rcv_skb+0x130/0x360 [ 6917.585640][ T1167] netlink_unicast+0x449/0x710 [ 6917.585640][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6917.585640][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6917.585640][ T1167] ___sys_sendmsg+0xee/0x170 [ 6917.585640][ T1167] __sys_sendmsg+0xcd/0x170 [ 6917.585640][ T1167] do_syscall_64+0xc6/0x1e0 [ 6917.585640][ T1167] [ 6917.588063][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6917.588063][ T1167] netdev_get_by_index+0x5e/0x80 [ 6917.588063][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6917.588063][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6917.588063][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6917.588063][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6917.588063][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6917.588063][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6917.588063][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6917.588063][ T1167] addrconf_dad_begin+0x310/0x670 [ 6917.588063][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6917.588063][ T1167] process_one_work+0x84d/0x18a0 [ 6917.588063][ T1167] worker_thread+0x587/0xd30 [ 6917.588063][ T1167] kthread+0x28a/0x350 [ 6917.588063][ T1167] ret_from_fork+0x31/0x70 [ 6917.588063][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6917.588063][ T1167] [ 6917.590432][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6917.590432][ T1167] netdev_get_by_index+0x5e/0x80 [ 6917.590432][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6917.590432][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6917.590432][ T1167] ip6_route_add+0x1c/0x140 [ 6917.590432][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6917.590432][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6917.590432][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6917.590432][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6917.590432][ T1167] netlink_rcv_skb+0x130/0x360 [ 6917.590432][ T1167] netlink_unicast+0x449/0x710 [ 6917.590432][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6917.590432][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6917.590432][ T1167] ___sys_sendmsg+0xee/0x170 [ 6917.590432][ T1167] __sys_sendmsg+0xcd/0x170 [ 6917.590432][ T1167] do_syscall_64+0xc6/0x1e0 [ 6917.590432][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6917.590432][ T1167] [ 6917.592911][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6917.592911][ T1167] netdev_get_by_index+0x5e/0x80 [ 6917.592911][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6917.592911][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6917.592911][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6917.592911][ T1167] ipv6_add_addr+0x411/0x2000 [ 6917.592911][ T1167] inet6_addr_add+0x30e/0xa40 [ 6917.592911][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6917.592911][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6917.592911][ T1167] netlink_rcv_skb+0x130/0x360 [ 6917.592911][ T1167] netlink_unicast+0x449/0x710 [ 6917.592911][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6917.592911][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6917.592911][ T1167] ___sys_sendmsg+0xee/0x170 [ 6917.592911][ T1167] __sys_sendmsg+0xcd/0x170 [ 6917.592911][ T1167] do_syscall_64+0xc6/0x1e0 [ 6917.592911][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6917.592911][ T1167] [ 6917.595390][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6917.595390][ T1167] netdev_get_by_index+0x5e/0x80 [ 6917.595390][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6917.595390][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6917.595390][ T1167] ip6_route_add+0x1c/0x140 [ 6917.595390][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6917.595390][ T1167] addrconf_add_dev+0xe2/0x170 [ 6917.595390][ T1167] inet6_addr_add+0x12f/0xa40 [ 6917.595390][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6917.595390][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6917.595390][ T1167] netlink_rcv_skb+0x130/0x360 [ 6917.595390][ T1167] netlink_unicast+0x449/0x710 [ 6917.595390][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6917.595390][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6917.595390][ T1167] ___sys_sendmsg+0xee/0x170 [ 6917.595390][ T1167] __sys_sendmsg+0xcd/0x170 [ 6917.595390][ T1167] do_syscall_64+0xc6/0x1e0 [ 6917.595390][ T1167] [ 6917.597811][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6917.597811][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6917.597811][ T1167] ipv6_find_idev+0x102/0x170 [ 6917.597811][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6917.597811][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6917.597811][ T1167] netlink_rcv_skb+0x130/0x360 [ 6917.597811][ T1167] netlink_unicast+0x449/0x710 [ 6917.597811][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6917.597811][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6917.597811][ T1167] ___sys_sendmsg+0xee/0x170 [ 6917.597811][ T1167] __sys_sendmsg+0xcd/0x170 [ 6917.597811][ T1167] do_syscall_64+0xc6/0x1e0 [ 6917.597811][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6917.597811][ T1167] [ 6917.599704][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6917.599704][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6917.599704][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6917.599704][ T1167] ipv6_find_idev+0x102/0x170 [ 6917.599704][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6917.599704][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6917.599704][ T1167] netlink_rcv_skb+0x130/0x360 [ 6917.599704][ T1167] netlink_unicast+0x449/0x710 [ 6917.599704][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6917.599704][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6917.599704][ T1167] ___sys_sendmsg+0xee/0x170 [ 6917.599704][ T1167] __sys_sendmsg+0xcd/0x170 [ 6917.599704][ T1167] do_syscall_64+0xc6/0x1e0 [ 6917.599704][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6917.599704][ T1167] [ 6921.185038][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6921.185501][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6921.185501][ T10] netdev_get_by_index+0x5e/0x80 [ 6921.185501][ T10] fib6_nh_init+0x3d8/0x1580 [ 6921.185501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6921.185501][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6921.185501][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6921.185501][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6921.185501][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6921.185501][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6921.185501][ T10] addrconf_dad_begin+0x310/0x670 [ 6921.185501][ T10] addrconf_dad_work+0x10b/0xab0 [ 6921.185501][ T10] process_one_work+0x84d/0x18a0 [ 6921.185501][ T10] worker_thread+0x587/0xd30 [ 6921.185501][ T10] kthread+0x28a/0x350 [ 6921.185501][ T10] ret_from_fork+0x31/0x70 [ 6921.185501][ T10] ret_from_fork_asm+0x1a/0x30 [ 6921.185501][ T10] [ 6921.187666][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6921.187666][ T10] netdev_get_by_index+0x5e/0x80 [ 6921.187666][ T10] fib6_nh_init+0x3d8/0x1580 [ 6921.187666][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6921.187666][ T10] ip6_route_add+0x1c/0x140 [ 6921.187666][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6921.187666][ T10] inet6_addr_add+0x4f8/0xa40 [ 6921.187666][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6921.187666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6921.187666][ T10] netlink_rcv_skb+0x130/0x360 [ 6921.187666][ T10] netlink_unicast+0x449/0x710 [ 6921.187666][ T10] netlink_sendmsg+0x723/0xbe0 [ 6921.187666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6921.187666][ T10] ___sys_sendmsg+0xee/0x170 [ 6921.187666][ T10] __sys_sendmsg+0xcd/0x170 [ 6921.187666][ T10] do_syscall_64+0xc6/0x1e0 [ 6921.187666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6921.187666][ T10] [ 6921.189906][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6921.189906][ T10] netdev_get_by_index+0x5e/0x80 [ 6921.189906][ T10] fib6_nh_init+0x3d8/0x1580 [ 6921.189906][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6921.189906][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6921.189906][ T10] ipv6_add_addr+0x411/0x2000 [ 6921.189906][ T10] inet6_addr_add+0x30e/0xa40 [ 6921.189906][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6921.189906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6921.189906][ T10] netlink_rcv_skb+0x130/0x360 [ 6921.189906][ T10] netlink_unicast+0x449/0x710 [ 6921.189906][ T10] netlink_sendmsg+0x723/0xbe0 [ 6921.189906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6921.189906][ T10] ___sys_sendmsg+0xee/0x170 [ 6921.189906][ T10] __sys_sendmsg+0xcd/0x170 [ 6921.189906][ T10] do_syscall_64+0xc6/0x1e0 [ 6921.189906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6921.189906][ T10] [ 6921.192149][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6921.192149][ T10] netdev_get_by_index+0x5e/0x80 [ 6921.192149][ T10] fib6_nh_init+0x3d8/0x1580 [ 6921.192149][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6921.192149][ T10] ip6_route_add+0x1c/0x140 [ 6921.192149][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6921.192149][ T10] addrconf_add_dev+0xe2/0x170 [ 6921.192149][ T10] inet6_addr_add+0x12f/0xa40 [ 6921.192149][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6921.192149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6921.192149][ T10] netlink_rcv_skb+0x130/0x360 [ 6921.192149][ T10] netlink_unicast+0x449/0x710 [ 6921.192149][ T10] netlink_sendmsg+0x723/0xbe0 [ 6921.192149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6921.192149][ T10] ___sys_sendmsg+0xee/0x170 [ 6921.192149][ T10] __sys_sendmsg+0xcd/0x170 [ 6921.192149][ T10] do_syscall_64+0xc6/0x1e0 [ 6921.192149][ T10] [ 6921.194364][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6921.194364][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6921.194364][ T10] ipv6_find_idev+0x102/0x170 [ 6921.194364][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6921.194364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6921.194364][ T10] netlink_rcv_skb+0x130/0x360 [ 6921.194364][ T10] netlink_unicast+0x449/0x710 [ 6921.194364][ T10] netlink_sendmsg+0x723/0xbe0 [ 6921.194364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6921.194364][ T10] ___sys_sendmsg+0xee/0x170 [ 6921.194364][ T10] __sys_sendmsg+0xcd/0x170 [ 6921.194364][ T10] do_syscall_64+0xc6/0x1e0 [ 6921.194364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6921.194364][ T10] [ 6921.196100][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6921.196100][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6921.196100][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6921.196100][ T10] ipv6_find_idev+0x102/0x170 [ 6921.196100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6921.196100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6921.196100][ T10] netlink_rcv_skb+0x130/0x360 [ 6921.196100][ T10] netlink_unicast+0x449/0x710 [ 6921.196100][ T10] netlink_sendmsg+0x723/0xbe0 [ 6921.196100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6921.196100][ T10] ___sys_sendmsg+0xee/0x170 [ 6921.196100][ T10] __sys_sendmsg+0xcd/0x170 [ 6921.196100][ T10] do_syscall_64+0xc6/0x1e0 [ 6921.196100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6921.196100][ T10] [ 6921.197989][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6921.198261][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6921.198261][ T10] netdev_get_by_index+0x5e/0x80 [ 6921.198261][ T10] fib6_nh_init+0x3d8/0x1580 [ 6921.198261][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6921.198261][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6921.198261][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6921.198261][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6921.198261][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6921.198261][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6921.198261][ T10] addrconf_dad_begin+0x310/0x670 [ 6921.198261][ T10] addrconf_dad_work+0x10b/0xab0 [ 6921.198261][ T10] process_one_work+0x84d/0x18a0 [ 6921.198261][ T10] worker_thread+0x587/0xd30 [ 6921.198261][ T10] kthread+0x28a/0x350 [ 6921.198261][ T10] ret_from_fork+0x31/0x70 [ 6921.198261][ T10] ret_from_fork_asm+0x1a/0x30 [ 6921.198261][ T10] [ 6921.200392][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6921.200392][ T10] netdev_get_by_index+0x5e/0x80 [ 6921.200392][ T10] fib6_nh_init+0x3d8/0x1580 [ 6921.200392][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6921.200392][ T10] ip6_route_add+0x1c/0x140 [ 6921.200392][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6921.200392][ T10] inet6_addr_add+0x4f8/0xa40 [ 6921.200392][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6921.200392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6921.200392][ T10] netlink_rcv_skb+0x130/0x360 [ 6921.200392][ T10] netlink_unicast+0x449/0x710 [ 6921.200392][ T10] netlink_sendmsg+0x723/0xbe0 [ 6921.200392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6921.200392][ T10] ___sys_sendmsg+0xee/0x170 [ 6921.200392][ T10] __sys_sendmsg+0xcd/0x170 [ 6921.200392][ T10] do_syscall_64+0xc6/0x1e0 [ 6921.200392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6921.200392][ T10] [ 6921.202641][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6921.202641][ T10] netdev_get_by_index+0x5e/0x80 [ 6921.202641][ T10] fib6_nh_init+0x3d8/0x1580 [ 6921.202641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6921.202641][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6921.202641][ T10] ipv6_add_addr+0x411/0x2000 [ 6921.202641][ T10] inet6_addr_add+0x30e/0xa40 [ 6921.202641][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6921.202641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6921.202641][ T10] netlink_rcv_skb+0x130/0x360 [ 6921.202641][ T10] netlink_unicast+0x449/0x710 [ 6921.202641][ T10] netlink_sendmsg+0x723/0xbe0 [ 6921.202641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6921.202641][ T10] ___sys_sendmsg+0xee/0x170 [ 6921.202641][ T10] __sys_sendmsg+0xcd/0x170 [ 6921.202641][ T10] do_syscall_64+0xc6/0x1e0 [ 6921.202641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6921.202641][ T10] [ 6921.204883][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6921.204883][ T10] netdev_get_by_index+0x5e/0x80 [ 6921.204883][ T10] fib6_nh_init+0x3d8/0x1580 [ 6921.204883][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6921.204883][ T10] ip6_route_add+0x1c/0x140 [ 6921.204883][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6921.204883][ T10] addrconf_add_dev+0xe2/0x170 [ 6921.204883][ T10] inet6_addr_add+0x12f/0xa40 [ 6921.204883][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6921.204883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6921.204883][ T10] netlink_rcv_skb+0x130/0x360 [ 6921.204883][ T10] netlink_unicast+0x449/0x710 [ 6921.204883][ T10] netlink_sendmsg+0x723/0xbe0 [ 6921.204883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6921.204883][ T10] ___sys_sendmsg+0xee/0x170 [ 6921.204883][ T10] __sys_sendmsg+0xcd/0x170 [ 6921.204883][ T10] do_syscall_64+0xc6/0x1e0 [ 6921.204883][ T10] [ 6921.207081][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6921.207081][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6921.207081][ T10] ipv6_find_idev+0x102/0x170 [ 6921.207081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6921.207081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6921.207081][ T10] netlink_rcv_skb+0x130/0x360 [ 6921.207081][ T10] netlink_unicast+0x449/0x710 [ 6921.207081][ T10] netlink_sendmsg+0x723/0xbe0 [ 6921.207081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6921.207081][ T10] ___sys_sendmsg+0xee/0x170 [ 6921.207081][ T10] __sys_sendmsg+0xcd/0x170 [ 6921.207081][ T10] do_syscall_64+0xc6/0x1e0 [ 6921.207081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6921.207081][ T10] [ 6921.208787][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6921.208787][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6921.208787][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6921.208787][ T10] ipv6_find_idev+0x102/0x170 [ 6921.208787][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6921.208787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6921.208787][ T10] netlink_rcv_skb+0x130/0x360 [ 6921.208787][ T10] netlink_unicast+0x449/0x710 [ 6921.208787][ T10] netlink_sendmsg+0x723/0xbe0 [ 6921.208787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6921.208787][ T10] ___sys_sendmsg+0xee/0x170 [ 6921.208787][ T10] __sys_sendmsg+0xcd/0x170 [ 6921.208787][ T10] do_syscall_64+0xc6/0x1e0 [ 6921.208787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6921.208787][ T10] [ 6921.210968][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6921.211247][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6921.211247][ T10] netdev_get_by_index+0x5e/0x80 [ 6921.211247][ T10] fib6_nh_init+0x3d8/0x1580 [ 6921.211247][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6921.211247][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6921.211247][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6921.211247][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6921.211247][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6921.211247][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6921.211247][ T10] addrconf_dad_begin+0x310/0x670 [ 6921.211247][ T10] addrconf_dad_work+0x10b/0xab0 [ 6921.211247][ T10] process_one_work+0x84d/0x18a0 [ 6921.211247][ T10] worker_thread+0x587/0xd30 [ 6921.211247][ T10] kthread+0x28a/0x350 [ 6921.211247][ T10] ret_from_fork+0x31/0x70 [ 6921.211247][ T10] ret_from_fork_asm+0x1a/0x30 [ 6921.211247][ T10] [ 6921.213400][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6921.213400][ T10] netdev_get_by_index+0x5e/0x80 [ 6921.213400][ T10] fib6_nh_init+0x3d8/0x1580 [ 6921.213400][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6921.213400][ T10] ip6_route_add+0x1c/0x140 [ 6921.213400][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6921.213400][ T10] inet6_addr_add+0x4f8/0xa40 [ 6921.213400][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6921.213400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6921.213400][ T10] netlink_rcv_skb+0x130/0x360 [ 6921.213400][ T10] netlink_unicast+0x449/0x710 [ 6921.213400][ T10] netlink_sendmsg+0x723/0xbe0 [ 6921.213400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6921.213400][ T10] ___sys_sendmsg+0xee/0x170 [ 6921.213400][ T10] __sys_sendmsg+0xcd/0x170 [ 6921.213400][ T10] do_syscall_64+0xc6/0x1e0 [ 6921.213400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6921.213400][ T10] [ 6921.215847][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6921.215847][ T10] netdev_get_by_index+0x5e/0x80 [ 6921.215847][ T10] fib6_nh_init+0x3d8/0x1580 [ 6921.215847][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6921.215847][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6921.215847][ T10] ipv6_add_addr+0x411/0x2000 [ 6921.215847][ T10] inet6_addr_add+0x30e/0xa40 [ 6921.215847][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6921.215847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6921.215847][ T10] netlink_rcv_skb+0x130/0x360 [ 6921.215847][ T10] netlink_unicast+0x449/0x710 [ 6921.215847][ T10] netlink_sendmsg+0x723/0xbe0 [ 6921.215847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6921.215847][ T10] ___sys_sendmsg+0xee/0x170 [ 6921.215847][ T10] __sys_sendmsg+0xcd/0x170 [ 6921.215847][ T10] do_syscall_64+0xc6/0x1e0 [ 6921.215847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6921.215847][ T10] [ 6921.218517][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6921.218517][ T10] netdev_get_by_index+0x5e/0x80 [ 6921.218517][ T10] fib6_nh_init+0x3d8/0x1580 [ 6921.218517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6921.218517][ T10] ip6_route_add+0x1c/0x140 [ 6921.218517][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6921.218517][ T10] addrconf_add_dev+0xe2/0x170 [ 6921.218517][ T10] inet6_addr_add+0x12f/0xa40 [ 6921.218517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6921.218517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6921.218517][ T10] netlink_rcv_skb+0x130/0x360 [ 6921.218517][ T10] netlink_unicast+0x449/0x710 [ 6921.218517][ T10] netlink_sendmsg+0x723/0xbe0 [ 6921.218517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6921.218517][ T10] ___sys_sendmsg+0xee/0x170 [ 6921.218517][ T10] __sys_sendmsg+0xcd/0x170 [ 6921.218517][ T10] do_syscall_64+0xc6/0x1e0 [ 6921.218517][ T10] [ 6921.220960][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6921.220960][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6921.220960][ T10] ipv6_find_idev+0x102/0x170 [ 6921.220960][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6921.220960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6921.220960][ T10] netlink_rcv_skb+0x130/0x360 [ 6921.220960][ T10] netlink_unicast+0x449/0x710 [ 6921.220960][ T10] netlink_sendmsg+0x723/0xbe0 [ 6921.220960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6921.220960][ T10] ___sys_sendmsg+0xee/0x170 [ 6921.220960][ T10] __sys_sendmsg+0xcd/0x170 [ 6921.220960][ T10] do_syscall_64+0xc6/0x1e0 [ 6921.220960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6921.220960][ T10] [ 6921.222872][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6921.222872][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6921.222872][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6921.222872][ T10] ipv6_find_idev+0x102/0x170 [ 6921.222872][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6921.222872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6921.222872][ T10] netlink_rcv_skb+0x130/0x360 [ 6921.222872][ T10] netlink_unicast+0x449/0x710 [ 6921.222872][ T10] netlink_sendmsg+0x723/0xbe0 [ 6921.222872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6921.222872][ T10] ___sys_sendmsg+0xee/0x170 [ 6921.222872][ T10] __sys_sendmsg+0xcd/0x170 [ 6921.222872][ T10] do_syscall_64+0xc6/0x1e0 [ 6921.222872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6921.222872][ T10] [ 6921.224955][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6921.225745][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6921.225745][ T10] netdev_get_by_index+0x5e/0x80 [ 6921.225745][ T10] fib6_nh_init+0x3d8/0x1580 [ 6921.225745][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6921.225745][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6921.225745][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6921.225745][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6921.225745][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6921.225745][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6921.225745][ T10] addrconf_dad_begin+0x310/0x670 [ 6921.225745][ T10] addrconf_dad_work+0x10b/0xab0 [ 6921.225745][ T10] process_one_work+0x84d/0x18a0 [ 6921.225745][ T10] worker_thread+0x587/0xd30 [ 6921.225745][ T10] kthread+0x28a/0x350 [ 6921.225745][ T10] ret_from_fork+0x31/0x70 [ 6921.225745][ T10] ret_from_fork_asm+0x1a/0x30 [ 6921.225745][ T10] [ 6921.227884][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6921.227884][ T10] netdev_get_by_index+0x5e/0x80 [ 6921.227884][ T10] fib6_nh_init+0x3d8/0x1580 [ 6921.227884][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6921.227884][ T10] ip6_route_add+0x1c/0x140 [ 6921.227884][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6921.227884][ T10] inet6_addr_add+0x4f8/0xa40 [ 6921.227884][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6921.227884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6921.227884][ T10] netlink_rcv_skb+0x130/0x360 [ 6921.227884][ T10] netlink_unicast+0x449/0x710 [ 6921.227884][ T10] netlink_sendmsg+0x723/0xbe0 [ 6921.227884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6921.227884][ T10] ___sys_sendmsg+0xee/0x170 [ 6921.227884][ T10] __sys_sendmsg+0xcd/0x170 [ 6921.227884][ T10] do_syscall_64+0xc6/0x1e0 [ 6921.227884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6921.227884][ T10] [ 6921.230138][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6921.230138][ T10] netdev_get_by_index+0x5e/0x80 [ 6921.230138][ T10] fib6_nh_init+0x3d8/0x1580 [ 6921.230138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6921.230138][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6921.230138][ T10] ipv6_add_addr+0x411/0x2000 [ 6921.230138][ T10] inet6_addr_add+0x30e/0xa40 [ 6921.230138][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6921.230138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6921.230138][ T10] netlink_rcv_skb+0x130/0x360 [ 6921.230138][ T10] netlink_unicast+0x449/0x710 [ 6921.230138][ T10] netlink_sendmsg+0x723/0xbe0 [ 6921.230138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6921.230138][ T10] ___sys_sendmsg+0xee/0x170 [ 6921.230138][ T10] __sys_sendmsg+0xcd/0x170 [ 6921.230138][ T10] do_syscall_64+0xc6/0x1e0 [ 6921.230138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6921.230138][ T10] [ 6921.232680][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6921.232680][ T10] netdev_get_by_index+0x5e/0x80 [ 6921.232680][ T10] fib6_nh_init+0x3d8/0x1580 [ 6921.232680][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6921.232680][ T10] ip6_route_add+0x1c/0x140 [ 6921.232680][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6921.232680][ T10] addrconf_add_dev+0xe2/0x170 [ 6921.232680][ T10] inet6_addr_add+0x12f/0xa40 [ 6921.232680][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6921.232680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6921.232680][ T10] netlink_rcv_skb+0x130/0x360 [ 6921.232680][ T10] netlink_unicast+0x449/0x710 [ 6921.232680][ T10] netlink_sendmsg+0x723/0xbe0 [ 6921.232680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6921.232680][ T10] ___sys_sendmsg+0xee/0x170 [ 6921.232680][ T10] __sys_sendmsg+0xcd/0x170 [ 6921.232680][ T10] do_syscall_64+0xc6/0x1e0 [ 6921.232680][ T10] [ 6921.235083][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6921.235083][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6921.235083][ T10] ipv6_find_idev+0x102/0x170 [ 6921.235083][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6921.235083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6921.235083][ T10] netlink_rcv_skb+0x130/0x360 [ 6921.235083][ T10] netlink_unicast+0x449/0x710 [ 6921.235083][ T10] netlink_sendmsg+0x723/0xbe0 [ 6921.235083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6921.235083][ T10] ___sys_sendmsg+0xee/0x170 [ 6921.235083][ T10] __sys_sendmsg+0xcd/0x170 [ 6921.235083][ T10] do_syscall_64+0xc6/0x1e0 [ 6921.235083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6921.235083][ T10] [ 6921.237029][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6921.237029][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6921.237029][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6921.237029][ T10] ipv6_find_idev+0x102/0x170 [ 6921.237029][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6921.237029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6921.237029][ T10] netlink_rcv_skb+0x130/0x360 [ 6921.237029][ T10] netlink_unicast+0x449/0x710 [ 6921.237029][ T10] netlink_sendmsg+0x723/0xbe0 [ 6921.237029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6921.237029][ T10] ___sys_sendmsg+0xee/0x170 [ 6921.237029][ T10] __sys_sendmsg+0xcd/0x170 [ 6921.237029][ T10] do_syscall_64+0xc6/0x1e0 [ 6921.237029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6921.237029][ T10] [ 6927.849125][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6927.849655][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6927.849655][ T1167] dst_init+0x84/0x4a0 [ 6927.849655][ T1167] dst_alloc+0x97/0x150 [ 6927.849655][ T1167] ip6_dst_alloc+0x23/0x90 [ 6927.849655][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6927.849655][ T1167] ip6_pol_route+0x56f/0x840 [ 6927.849655][ T1167] fib6_rule_lookup+0x334/0x630 [ 6927.849655][ T1167] ip6_route_output_flags+0x259/0x480 [ 6927.849655][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6927.849655][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6927.849655][ T1167] netlink_rcv_skb+0x130/0x360 [ 6927.849655][ T1167] netlink_unicast+0x449/0x710 [ 6927.849655][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6927.849655][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6927.849655][ T1167] ___sys_sendmsg+0xee/0x170 [ 6927.849655][ T1167] __sys_sendmsg+0xcd/0x170 [ 6927.849655][ T1167] do_syscall_64+0xc6/0x1e0 [ 6927.849655][ T1167] [ 6927.851892][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6927.851892][ T1167] netdev_get_by_index+0x5e/0x80 [ 6927.851892][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6927.851892][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6927.851892][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6927.851892][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6927.851892][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6927.851892][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6927.851892][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6927.851892][ T1167] addrconf_dad_begin+0x310/0x670 [ 6927.851892][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6927.851892][ T1167] process_one_work+0x84d/0x18a0 [ 6927.851892][ T1167] worker_thread+0x587/0xd30 [ 6927.851892][ T1167] kthread+0x28a/0x350 [ 6927.851892][ T1167] ret_from_fork+0x31/0x70 [ 6927.851892][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6927.851892][ T1167] [ 6927.854084][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6927.854084][ T1167] netdev_get_by_index+0x5e/0x80 [ 6927.854084][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6927.854084][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6927.854084][ T1167] ip6_route_add+0x1c/0x140 [ 6927.854084][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6927.854084][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6927.854084][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6927.854084][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6927.854084][ T1167] netlink_rcv_skb+0x130/0x360 [ 6927.854084][ T1167] netlink_unicast+0x449/0x710 [ 6927.854084][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6927.854084][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6927.854084][ T1167] ___sys_sendmsg+0xee/0x170 [ 6927.854084][ T1167] __sys_sendmsg+0xcd/0x170 [ 6927.854084][ T1167] do_syscall_64+0xc6/0x1e0 [ 6927.854084][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6927.854084][ T1167] [ 6927.856363][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6927.856363][ T1167] netdev_get_by_index+0x5e/0x80 [ 6927.856363][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6927.856363][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6927.856363][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6927.856363][ T1167] ipv6_add_addr+0x411/0x2000 [ 6927.856363][ T1167] inet6_addr_add+0x30e/0xa40 [ 6927.856363][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6927.856363][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6927.856363][ T1167] netlink_rcv_skb+0x130/0x360 [ 6927.856363][ T1167] netlink_unicast+0x449/0x710 [ 6927.856363][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6927.856363][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6927.856363][ T1167] ___sys_sendmsg+0xee/0x170 [ 6927.856363][ T1167] __sys_sendmsg+0xcd/0x170 [ 6927.856363][ T1167] do_syscall_64+0xc6/0x1e0 [ 6927.856363][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6927.856363][ T1167] [ 6927.858627][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6927.858627][ T1167] netdev_get_by_index+0x5e/0x80 [ 6927.858627][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6927.858627][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6927.858627][ T1167] ip6_route_add+0x1c/0x140 [ 6927.858627][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6927.858627][ T1167] addrconf_add_dev+0xe2/0x170 [ 6927.858627][ T1167] inet6_addr_add+0x12f/0xa40 [ 6927.858627][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6927.858627][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6927.858627][ T1167] netlink_rcv_skb+0x130/0x360 [ 6927.858627][ T1167] netlink_unicast+0x449/0x710 [ 6927.858627][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6927.858627][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6927.858627][ T1167] ___sys_sendmsg+0xee/0x170 [ 6927.858627][ T1167] __sys_sendmsg+0xcd/0x170 [ 6927.858627][ T1167] do_syscall_64+0xc6/0x1e0 [ 6927.858627][ T1167] [ 6927.860845][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6927.860845][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6927.860845][ T1167] ipv6_find_idev+0x102/0x170 [ 6927.860845][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6927.860845][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6927.860845][ T1167] netlink_rcv_skb+0x130/0x360 [ 6927.860845][ T1167] netlink_unicast+0x449/0x710 [ 6927.860845][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6927.860845][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6927.860845][ T1167] ___sys_sendmsg+0xee/0x170 [ 6927.860845][ T1167] __sys_sendmsg+0xcd/0x170 [ 6927.860845][ T1167] do_syscall_64+0xc6/0x1e0 [ 6927.860845][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6927.860845][ T1167] [ 6927.862593][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6927.862593][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6927.862593][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6927.862593][ T1167] ipv6_find_idev+0x102/0x170 [ 6927.862593][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6927.862593][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6927.862593][ T1167] netlink_rcv_skb+0x130/0x360 [ 6927.862593][ T1167] netlink_unicast+0x449/0x710 [ 6927.862593][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6927.862593][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6927.862593][ T1167] ___sys_sendmsg+0xee/0x170 [ 6927.862593][ T1167] __sys_sendmsg+0xcd/0x170 [ 6927.862593][ T1167] do_syscall_64+0xc6/0x1e0 [ 6927.862593][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6927.862593][ T1167] [ 6931.489124][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6931.489556][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6931.489556][ T10] netdev_get_by_index+0x5e/0x80 [ 6931.489556][ T10] fib6_nh_init+0x3d8/0x1580 [ 6931.489556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6931.489556][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6931.489556][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6931.489556][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6931.489556][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6931.489556][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6931.489556][ T10] addrconf_dad_begin+0x310/0x670 [ 6931.489556][ T10] addrconf_dad_work+0x10b/0xab0 [ 6931.489556][ T10] process_one_work+0x84d/0x18a0 [ 6931.489556][ T10] worker_thread+0x587/0xd30 [ 6931.489556][ T10] kthread+0x28a/0x350 [ 6931.489556][ T10] ret_from_fork+0x31/0x70 [ 6931.489556][ T10] ret_from_fork_asm+0x1a/0x30 [ 6931.489556][ T10] [ 6931.491696][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6931.491696][ T10] netdev_get_by_index+0x5e/0x80 [ 6931.491696][ T10] fib6_nh_init+0x3d8/0x1580 [ 6931.491696][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6931.491696][ T10] ip6_route_add+0x1c/0x140 [ 6931.491696][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6931.491696][ T10] inet6_addr_add+0x4f8/0xa40 [ 6931.491696][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6931.491696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6931.491696][ T10] netlink_rcv_skb+0x130/0x360 [ 6931.491696][ T10] netlink_unicast+0x449/0x710 [ 6931.491696][ T10] netlink_sendmsg+0x723/0xbe0 [ 6931.491696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6931.491696][ T10] ___sys_sendmsg+0xee/0x170 [ 6931.491696][ T10] __sys_sendmsg+0xcd/0x170 [ 6931.491696][ T10] do_syscall_64+0xc6/0x1e0 [ 6931.491696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6931.491696][ T10] [ 6931.493921][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6931.493921][ T10] netdev_get_by_index+0x5e/0x80 [ 6931.493921][ T10] fib6_nh_init+0x3d8/0x1580 [ 6931.493921][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6931.493921][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6931.493921][ T10] ipv6_add_addr+0x411/0x2000 [ 6931.493921][ T10] inet6_addr_add+0x30e/0xa40 [ 6931.493921][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6931.493921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6931.493921][ T10] netlink_rcv_skb+0x130/0x360 [ 6931.493921][ T10] netlink_unicast+0x449/0x710 [ 6931.493921][ T10] netlink_sendmsg+0x723/0xbe0 [ 6931.493921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6931.493921][ T10] ___sys_sendmsg+0xee/0x170 [ 6931.493921][ T10] __sys_sendmsg+0xcd/0x170 [ 6931.493921][ T10] do_syscall_64+0xc6/0x1e0 [ 6931.493921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6931.493921][ T10] [ 6931.496149][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6931.496149][ T10] netdev_get_by_index+0x5e/0x80 [ 6931.496149][ T10] fib6_nh_init+0x3d8/0x1580 [ 6931.496149][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6931.496149][ T10] ip6_route_add+0x1c/0x140 [ 6931.496149][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6931.496149][ T10] addrconf_add_dev+0xe2/0x170 [ 6931.496149][ T10] inet6_addr_add+0x12f/0xa40 [ 6931.496149][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6931.496149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6931.496149][ T10] netlink_rcv_skb+0x130/0x360 [ 6931.496149][ T10] netlink_unicast+0x449/0x710 [ 6931.496149][ T10] netlink_sendmsg+0x723/0xbe0 [ 6931.496149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6931.496149][ T10] ___sys_sendmsg+0xee/0x170 [ 6931.496149][ T10] __sys_sendmsg+0xcd/0x170 [ 6931.496149][ T10] do_syscall_64+0xc6/0x1e0 [ 6931.496149][ T10] [ 6931.498315][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6931.498315][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6931.498315][ T10] ipv6_find_idev+0x102/0x170 [ 6931.498315][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6931.498315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6931.498315][ T10] netlink_rcv_skb+0x130/0x360 [ 6931.498315][ T10] netlink_unicast+0x449/0x710 [ 6931.498315][ T10] netlink_sendmsg+0x723/0xbe0 [ 6931.498315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6931.498315][ T10] ___sys_sendmsg+0xee/0x170 [ 6931.498315][ T10] __sys_sendmsg+0xcd/0x170 [ 6931.498315][ T10] do_syscall_64+0xc6/0x1e0 [ 6931.498315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6931.498315][ T10] [ 6931.500022][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6931.500022][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6931.500022][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6931.500022][ T10] ipv6_find_idev+0x102/0x170 [ 6931.500022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6931.500022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6931.500022][ T10] netlink_rcv_skb+0x130/0x360 [ 6931.500022][ T10] netlink_unicast+0x449/0x710 [ 6931.500022][ T10] netlink_sendmsg+0x723/0xbe0 [ 6931.500022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6931.500022][ T10] ___sys_sendmsg+0xee/0x170 [ 6931.500022][ T10] __sys_sendmsg+0xcd/0x170 [ 6931.500022][ T10] do_syscall_64+0xc6/0x1e0 [ 6931.500022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6931.500022][ T10] [ 6931.501887][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6931.502162][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6931.502162][ T10] netdev_get_by_index+0x5e/0x80 [ 6931.502162][ T10] fib6_nh_init+0x3d8/0x1580 [ 6931.502162][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6931.502162][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6931.502162][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6931.502162][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6931.502162][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6931.502162][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6931.502162][ T10] addrconf_dad_begin+0x310/0x670 [ 6931.502162][ T10] addrconf_dad_work+0x10b/0xab0 [ 6931.502162][ T10] process_one_work+0x84d/0x18a0 [ 6931.502162][ T10] worker_thread+0x587/0xd30 [ 6931.502162][ T10] kthread+0x28a/0x350 [ 6931.502162][ T10] ret_from_fork+0x31/0x70 [ 6931.502162][ T10] ret_from_fork_asm+0x1a/0x30 [ 6931.502162][ T10] [ 6931.504299][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6931.504299][ T10] netdev_get_by_index+0x5e/0x80 [ 6931.504299][ T10] fib6_nh_init+0x3d8/0x1580 [ 6931.504299][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6931.504299][ T10] ip6_route_add+0x1c/0x140 [ 6931.504299][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6931.504299][ T10] inet6_addr_add+0x4f8/0xa40 [ 6931.504299][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6931.504299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6931.504299][ T10] netlink_rcv_skb+0x130/0x360 [ 6931.504299][ T10] netlink_unicast+0x449/0x710 [ 6931.504299][ T10] netlink_sendmsg+0x723/0xbe0 [ 6931.504299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6931.504299][ T10] ___sys_sendmsg+0xee/0x170 [ 6931.504299][ T10] __sys_sendmsg+0xcd/0x170 [ 6931.504299][ T10] do_syscall_64+0xc6/0x1e0 [ 6931.504299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6931.504299][ T10] [ 6931.506535][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6931.506535][ T10] netdev_get_by_index+0x5e/0x80 [ 6931.506535][ T10] fib6_nh_init+0x3d8/0x1580 [ 6931.506535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6931.506535][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6931.506535][ T10] ipv6_add_addr+0x411/0x2000 [ 6931.506535][ T10] inet6_addr_add+0x30e/0xa40 [ 6931.506535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6931.506535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6931.506535][ T10] netlink_rcv_skb+0x130/0x360 [ 6931.506535][ T10] netlink_unicast+0x449/0x710 [ 6931.506535][ T10] netlink_sendmsg+0x723/0xbe0 [ 6931.506535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6931.506535][ T10] ___sys_sendmsg+0xee/0x170 [ 6931.506535][ T10] __sys_sendmsg+0xcd/0x170 [ 6931.506535][ T10] do_syscall_64+0xc6/0x1e0 [ 6931.506535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6931.506535][ T10] [ 6931.508755][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6931.508755][ T10] netdev_get_by_index+0x5e/0x80 [ 6931.508755][ T10] fib6_nh_init+0x3d8/0x1580 [ 6931.508755][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6931.508755][ T10] ip6_route_add+0x1c/0x140 [ 6931.508755][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6931.508755][ T10] addrconf_add_dev+0xe2/0x170 [ 6931.508755][ T10] inet6_addr_add+0x12f/0xa40 [ 6931.508755][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6931.508755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6931.508755][ T10] netlink_rcv_skb+0x130/0x360 [ 6931.508755][ T10] netlink_unicast+0x449/0x710 [ 6931.508755][ T10] netlink_sendmsg+0x723/0xbe0 [ 6931.508755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6931.508755][ T10] ___sys_sendmsg+0xee/0x170 [ 6931.508755][ T10] __sys_sendmsg+0xcd/0x170 [ 6931.508755][ T10] do_syscall_64+0xc6/0x1e0 [ 6931.508755][ T10] [ 6931.510943][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6931.510943][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6931.510943][ T10] ipv6_find_idev+0x102/0x170 [ 6931.510943][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6931.510943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6931.510943][ T10] netlink_rcv_skb+0x130/0x360 [ 6931.510943][ T10] netlink_unicast+0x449/0x710 [ 6931.510943][ T10] netlink_sendmsg+0x723/0xbe0 [ 6931.510943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6931.510943][ T10] ___sys_sendmsg+0xee/0x170 [ 6931.510943][ T10] __sys_sendmsg+0xcd/0x170 [ 6931.510943][ T10] do_syscall_64+0xc6/0x1e0 [ 6931.510943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6931.510943][ T10] [ 6931.512660][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6931.512660][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6931.512660][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6931.512660][ T10] ipv6_find_idev+0x102/0x170 [ 6931.512660][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6931.512660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6931.512660][ T10] netlink_rcv_skb+0x130/0x360 [ 6931.512660][ T10] netlink_unicast+0x449/0x710 [ 6931.512660][ T10] netlink_sendmsg+0x723/0xbe0 [ 6931.512660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6931.512660][ T10] ___sys_sendmsg+0xee/0x170 [ 6931.512660][ T10] __sys_sendmsg+0xcd/0x170 [ 6931.512660][ T10] do_syscall_64+0xc6/0x1e0 [ 6931.512660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6931.512660][ T10] [ 6931.514536][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6931.514789][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6931.514789][ T10] netdev_get_by_index+0x5e/0x80 [ 6931.514789][ T10] fib6_nh_init+0x3d8/0x1580 [ 6931.514789][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6931.514789][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6931.514789][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6931.514789][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6931.514789][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6931.514789][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6931.514789][ T10] addrconf_dad_begin+0x310/0x670 [ 6931.514789][ T10] addrconf_dad_work+0x10b/0xab0 [ 6931.514789][ T10] process_one_work+0x84d/0x18a0 [ 6931.514789][ T10] worker_thread+0x587/0xd30 [ 6931.514789][ T10] kthread+0x28a/0x350 [ 6931.514789][ T10] ret_from_fork+0x31/0x70 [ 6931.514789][ T10] ret_from_fork_asm+0x1a/0x30 [ 6931.514789][ T10] [ 6931.516913][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6931.516913][ T10] netdev_get_by_index+0x5e/0x80 [ 6931.516913][ T10] fib6_nh_init+0x3d8/0x1580 [ 6931.516913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6931.516913][ T10] ip6_route_add+0x1c/0x140 [ 6931.516913][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6931.516913][ T10] inet6_addr_add+0x4f8/0xa40 [ 6931.516913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6931.516913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6931.516913][ T10] netlink_rcv_skb+0x130/0x360 [ 6931.516913][ T10] netlink_unicast+0x449/0x710 [ 6931.516913][ T10] netlink_sendmsg+0x723/0xbe0 [ 6931.516913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6931.516913][ T10] ___sys_sendmsg+0xee/0x170 [ 6931.516913][ T10] __sys_sendmsg+0xcd/0x170 [ 6931.516913][ T10] do_syscall_64+0xc6/0x1e0 [ 6931.516913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6931.516913][ T10] [ 6931.519304][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6931.519304][ T10] netdev_get_by_index+0x5e/0x80 [ 6931.519304][ T10] fib6_nh_init+0x3d8/0x1580 [ 6931.519304][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6931.519304][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6931.519304][ T10] ipv6_add_addr+0x411/0x2000 [ 6931.519304][ T10] inet6_addr_add+0x30e/0xa40 [ 6931.519304][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6931.519304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6931.519304][ T10] netlink_rcv_skb+0x130/0x360 [ 6931.519304][ T10] netlink_unicast+0x449/0x710 [ 6931.519304][ T10] netlink_sendmsg+0x723/0xbe0 [ 6931.519304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6931.519304][ T10] ___sys_sendmsg+0xee/0x170 [ 6931.519304][ T10] __sys_sendmsg+0xcd/0x170 [ 6931.519304][ T10] do_syscall_64+0xc6/0x1e0 [ 6931.519304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6931.519304][ T10] [ 6931.521819][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6931.521819][ T10] netdev_get_by_index+0x5e/0x80 [ 6931.521819][ T10] fib6_nh_init+0x3d8/0x1580 [ 6931.521819][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6931.521819][ T10] ip6_route_add+0x1c/0x140 [ 6931.521819][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6931.521819][ T10] addrconf_add_dev+0xe2/0x170 [ 6931.521819][ T10] inet6_addr_add+0x12f/0xa40 [ 6931.521819][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6931.521819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6931.521819][ T10] netlink_rcv_skb+0x130/0x360 [ 6931.521819][ T10] netlink_unicast+0x449/0x710 [ 6931.521819][ T10] netlink_sendmsg+0x723/0xbe0 [ 6931.521819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6931.521819][ T10] ___sys_sendmsg+0xee/0x170 [ 6931.521819][ T10] __sys_sendmsg+0xcd/0x170 [ 6931.521819][ T10] do_syscall_64+0xc6/0x1e0 [ 6931.521819][ T10] [ 6931.524239][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6931.524239][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6931.524239][ T10] ipv6_find_idev+0x102/0x170 [ 6931.524239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6931.524239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6931.524239][ T10] netlink_rcv_skb+0x130/0x360 [ 6931.524239][ T10] netlink_unicast+0x449/0x710 [ 6931.524239][ T10] netlink_sendmsg+0x723/0xbe0 [ 6931.524239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6931.524239][ T10] ___sys_sendmsg+0xee/0x170 [ 6931.524239][ T10] __sys_sendmsg+0xcd/0x170 [ 6931.524239][ T10] do_syscall_64+0xc6/0x1e0 [ 6931.524239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6931.524239][ T10] [ 6931.526134][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6931.526134][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6931.526134][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6931.526134][ T10] ipv6_find_idev+0x102/0x170 [ 6931.526134][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6931.526134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6931.526134][ T10] netlink_rcv_skb+0x130/0x360 [ 6931.526134][ T10] netlink_unicast+0x449/0x710 [ 6931.526134][ T10] netlink_sendmsg+0x723/0xbe0 [ 6931.526134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6931.526134][ T10] ___sys_sendmsg+0xee/0x170 [ 6931.526134][ T10] __sys_sendmsg+0xcd/0x170 [ 6931.526134][ T10] do_syscall_64+0xc6/0x1e0 [ 6931.526134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6931.526134][ T10] [ 6931.528223][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6931.528547][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6931.528547][ T10] netdev_get_by_index+0x5e/0x80 [ 6931.528547][ T10] fib6_nh_init+0x3d8/0x1580 [ 6931.528547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6931.528547][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6931.528547][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6931.528547][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6931.528547][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6931.528547][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6931.528547][ T10] addrconf_dad_begin+0x310/0x670 [ 6931.528547][ T10] addrconf_dad_work+0x10b/0xab0 [ 6931.528547][ T10] process_one_work+0x84d/0x18a0 [ 6931.528547][ T10] worker_thread+0x587/0xd30 [ 6931.528547][ T10] kthread+0x28a/0x350 [ 6931.528547][ T10] ret_from_fork+0x31/0x70 [ 6931.528547][ T10] ret_from_fork_asm+0x1a/0x30 [ 6931.528547][ T10] [ 6931.530841][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6931.530841][ T10] netdev_get_by_index+0x5e/0x80 [ 6931.530841][ T10] fib6_nh_init+0x3d8/0x1580 [ 6931.530841][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6931.530841][ T10] ip6_route_add+0x1c/0x140 [ 6931.530841][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6931.530841][ T10] inet6_addr_add+0x4f8/0xa40 [ 6931.530841][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6931.530841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6931.530841][ T10] netlink_rcv_skb+0x130/0x360 [ 6931.530841][ T10] netlink_unicast+0x449/0x710 [ 6931.530841][ T10] netlink_sendmsg+0x723/0xbe0 [ 6931.530841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6931.530841][ T10] ___sys_sendmsg+0xee/0x170 [ 6931.530841][ T10] __sys_sendmsg+0xcd/0x170 [ 6931.530841][ T10] do_syscall_64+0xc6/0x1e0 [ 6931.530841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6931.530841][ T10] [ 6931.533288][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6931.533288][ T10] netdev_get_by_index+0x5e/0x80 [ 6931.533288][ T10] fib6_nh_init+0x3d8/0x1580 [ 6931.533288][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6931.533288][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6931.533288][ T10] ipv6_add_addr+0x411/0x2000 [ 6931.533288][ T10] inet6_addr_add+0x30e/0xa40 [ 6931.533288][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6931.533288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6931.533288][ T10] netlink_rcv_skb+0x130/0x360 [ 6931.533288][ T10] netlink_unicast+0x449/0x710 [ 6931.533288][ T10] netlink_sendmsg+0x723/0xbe0 [ 6931.533288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6931.533288][ T10] ___sys_sendmsg+0xee/0x170 [ 6931.533288][ T10] __sys_sendmsg+0xcd/0x170 [ 6931.533288][ T10] do_syscall_64+0xc6/0x1e0 [ 6931.533288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6931.533288][ T10] [ 6931.535752][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6931.535752][ T10] netdev_get_by_index+0x5e/0x80 [ 6931.535752][ T10] fib6_nh_init+0x3d8/0x1580 [ 6931.535752][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6931.535752][ T10] ip6_route_add+0x1c/0x140 [ 6931.535752][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6931.535752][ T10] addrconf_add_dev+0xe2/0x170 [ 6931.535752][ T10] inet6_addr_add+0x12f/0xa40 [ 6931.535752][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6931.535752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6931.535752][ T10] netlink_rcv_skb+0x130/0x360 [ 6931.535752][ T10] netlink_unicast+0x449/0x710 [ 6931.535752][ T10] netlink_sendmsg+0x723/0xbe0 [ 6931.535752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6931.535752][ T10] ___sys_sendmsg+0xee/0x170 [ 6931.535752][ T10] __sys_sendmsg+0xcd/0x170 [ 6931.535752][ T10] do_syscall_64+0xc6/0x1e0 [ 6931.535752][ T10] [ 6931.538162][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6931.538162][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6931.538162][ T10] ipv6_find_idev+0x102/0x170 [ 6931.538162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6931.538162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6931.538162][ T10] netlink_rcv_skb+0x130/0x360 [ 6931.538162][ T10] netlink_unicast+0x449/0x710 [ 6931.538162][ T10] netlink_sendmsg+0x723/0xbe0 [ 6931.538162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6931.538162][ T10] ___sys_sendmsg+0xee/0x170 [ 6931.538162][ T10] __sys_sendmsg+0xcd/0x170 [ 6931.538162][ T10] do_syscall_64+0xc6/0x1e0 [ 6931.538162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6931.538162][ T10] [ 6931.540114][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6931.540114][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6931.540114][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6931.540114][ T10] ipv6_find_idev+0x102/0x170 [ 6931.540114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6931.540114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6931.540114][ T10] netlink_rcv_skb+0x130/0x360 [ 6931.540114][ T10] netlink_unicast+0x449/0x710 [ 6931.540114][ T10] netlink_sendmsg+0x723/0xbe0 [ 6931.540114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6931.540114][ T10] ___sys_sendmsg+0xee/0x170 [ 6931.540114][ T10] __sys_sendmsg+0xcd/0x170 [ 6931.540114][ T10] do_syscall_64+0xc6/0x1e0 [ 6931.540114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6931.540114][ T10] [ 6937.969122][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6937.969642][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6937.969642][ T1167] dst_init+0x84/0x4a0 [ 6937.969642][ T1167] dst_alloc+0x97/0x150 [ 6937.969642][ T1167] ip6_dst_alloc+0x23/0x90 [ 6937.969642][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6937.969642][ T1167] ip6_pol_route+0x56f/0x840 [ 6937.969642][ T1167] fib6_rule_lookup+0x334/0x630 [ 6937.969642][ T1167] ip6_route_output_flags+0x259/0x480 [ 6937.969642][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6937.969642][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6937.969642][ T1167] netlink_rcv_skb+0x130/0x360 [ 6937.969642][ T1167] netlink_unicast+0x449/0x710 [ 6937.969642][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6937.969642][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6937.969642][ T1167] ___sys_sendmsg+0xee/0x170 [ 6937.969642][ T1167] __sys_sendmsg+0xcd/0x170 [ 6937.969642][ T1167] do_syscall_64+0xc6/0x1e0 [ 6937.969642][ T1167] [ 6937.972080][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6937.972080][ T1167] netdev_get_by_index+0x5e/0x80 [ 6937.972080][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6937.972080][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6937.972080][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6937.972080][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6937.972080][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6937.972080][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6937.972080][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6937.972080][ T1167] addrconf_dad_begin+0x310/0x670 [ 6937.972080][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6937.972080][ T1167] process_one_work+0x84d/0x18a0 [ 6937.972080][ T1167] worker_thread+0x587/0xd30 [ 6937.972080][ T1167] kthread+0x28a/0x350 [ 6937.972080][ T1167] ret_from_fork+0x31/0x70 [ 6937.972080][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6937.972080][ T1167] [ 6937.974444][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6937.974444][ T1167] netdev_get_by_index+0x5e/0x80 [ 6937.974444][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6937.974444][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6937.974444][ T1167] ip6_route_add+0x1c/0x140 [ 6937.974444][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6937.974444][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6937.974444][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6937.974444][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6937.974444][ T1167] netlink_rcv_skb+0x130/0x360 [ 6937.974444][ T1167] netlink_unicast+0x449/0x710 [ 6937.974444][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6937.974444][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6937.974444][ T1167] ___sys_sendmsg+0xee/0x170 [ 6937.974444][ T1167] __sys_sendmsg+0xcd/0x170 [ 6937.974444][ T1167] do_syscall_64+0xc6/0x1e0 [ 6937.974444][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6937.974444][ T1167] [ 6937.976920][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6937.976920][ T1167] netdev_get_by_index+0x5e/0x80 [ 6937.976920][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6937.976920][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6937.976920][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6937.976920][ T1167] ipv6_add_addr+0x411/0x2000 [ 6937.976920][ T1167] inet6_addr_add+0x30e/0xa40 [ 6937.976920][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6937.976920][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6937.976920][ T1167] netlink_rcv_skb+0x130/0x360 [ 6937.976920][ T1167] netlink_unicast+0x449/0x710 [ 6937.976920][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6937.976920][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6937.976920][ T1167] ___sys_sendmsg+0xee/0x170 [ 6937.976920][ T1167] __sys_sendmsg+0xcd/0x170 [ 6937.976920][ T1167] do_syscall_64+0xc6/0x1e0 [ 6937.976920][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6937.976920][ T1167] [ 6937.979362][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6937.979362][ T1167] netdev_get_by_index+0x5e/0x80 [ 6937.979362][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6937.979362][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6937.979362][ T1167] ip6_route_add+0x1c/0x140 [ 6937.979362][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6937.979362][ T1167] addrconf_add_dev+0xe2/0x170 [ 6937.979362][ T1167] inet6_addr_add+0x12f/0xa40 [ 6937.979362][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6937.979362][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6937.979362][ T1167] netlink_rcv_skb+0x130/0x360 [ 6937.979362][ T1167] netlink_unicast+0x449/0x710 [ 6937.979362][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6937.979362][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6937.979362][ T1167] ___sys_sendmsg+0xee/0x170 [ 6937.979362][ T1167] __sys_sendmsg+0xcd/0x170 [ 6937.979362][ T1167] do_syscall_64+0xc6/0x1e0 [ 6937.979362][ T1167] [ 6937.981922][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6937.981922][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6937.981922][ T1167] ipv6_find_idev+0x102/0x170 [ 6937.981922][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6937.981922][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6937.981922][ T1167] netlink_rcv_skb+0x130/0x360 [ 6937.981922][ T1167] netlink_unicast+0x449/0x710 [ 6937.981922][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6937.981922][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6937.981922][ T1167] ___sys_sendmsg+0xee/0x170 [ 6937.981922][ T1167] __sys_sendmsg+0xcd/0x170 [ 6937.981922][ T1167] do_syscall_64+0xc6/0x1e0 [ 6937.981922][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6937.981922][ T1167] [ 6937.983825][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6937.983825][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6937.983825][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6937.983825][ T1167] ipv6_find_idev+0x102/0x170 [ 6937.983825][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6937.983825][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6937.983825][ T1167] netlink_rcv_skb+0x130/0x360 [ 6937.983825][ T1167] netlink_unicast+0x449/0x710 [ 6937.983825][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6937.983825][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6937.983825][ T1167] ___sys_sendmsg+0xee/0x170 [ 6937.983825][ T1167] __sys_sendmsg+0xcd/0x170 [ 6937.983825][ T1167] do_syscall_64+0xc6/0x1e0 [ 6937.983825][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6937.983825][ T1167] [ 6941.553100][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6941.553534][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6941.553534][ T10] netdev_get_by_index+0x5e/0x80 [ 6941.553534][ T10] fib6_nh_init+0x3d8/0x1580 [ 6941.553534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6941.553534][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6941.553534][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6941.553534][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6941.553534][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6941.553534][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6941.553534][ T10] addrconf_dad_begin+0x310/0x670 [ 6941.553534][ T10] addrconf_dad_work+0x10b/0xab0 [ 6941.553534][ T10] process_one_work+0x84d/0x18a0 [ 6941.553534][ T10] worker_thread+0x587/0xd30 [ 6941.553534][ T10] kthread+0x28a/0x350 [ 6941.553534][ T10] ret_from_fork+0x31/0x70 [ 6941.553534][ T10] ret_from_fork_asm+0x1a/0x30 [ 6941.553534][ T10] [ 6941.555691][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6941.555691][ T10] netdev_get_by_index+0x5e/0x80 [ 6941.555691][ T10] fib6_nh_init+0x3d8/0x1580 [ 6941.555691][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6941.555691][ T10] ip6_route_add+0x1c/0x140 [ 6941.555691][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6941.555691][ T10] inet6_addr_add+0x4f8/0xa40 [ 6941.555691][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6941.555691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6941.555691][ T10] netlink_rcv_skb+0x130/0x360 [ 6941.555691][ T10] netlink_unicast+0x449/0x710 [ 6941.555691][ T10] netlink_sendmsg+0x723/0xbe0 [ 6941.555691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6941.555691][ T10] ___sys_sendmsg+0xee/0x170 [ 6941.555691][ T10] __sys_sendmsg+0xcd/0x170 [ 6941.555691][ T10] do_syscall_64+0xc6/0x1e0 [ 6941.555691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6941.555691][ T10] [ 6941.557911][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6941.557911][ T10] netdev_get_by_index+0x5e/0x80 [ 6941.557911][ T10] fib6_nh_init+0x3d8/0x1580 [ 6941.557911][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6941.557911][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6941.557911][ T10] ipv6_add_addr+0x411/0x2000 [ 6941.557911][ T10] inet6_addr_add+0x30e/0xa40 [ 6941.557911][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6941.557911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6941.557911][ T10] netlink_rcv_skb+0x130/0x360 [ 6941.557911][ T10] netlink_unicast+0x449/0x710 [ 6941.557911][ T10] netlink_sendmsg+0x723/0xbe0 [ 6941.557911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6941.557911][ T10] ___sys_sendmsg+0xee/0x170 [ 6941.557911][ T10] __sys_sendmsg+0xcd/0x170 [ 6941.557911][ T10] do_syscall_64+0xc6/0x1e0 [ 6941.557911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6941.557911][ T10] [ 6941.560124][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6941.560124][ T10] netdev_get_by_index+0x5e/0x80 [ 6941.560124][ T10] fib6_nh_init+0x3d8/0x1580 [ 6941.560124][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6941.560124][ T10] ip6_route_add+0x1c/0x140 [ 6941.560124][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6941.560124][ T10] addrconf_add_dev+0xe2/0x170 [ 6941.560124][ T10] inet6_addr_add+0x12f/0xa40 [ 6941.560124][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6941.560124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6941.560124][ T10] netlink_rcv_skb+0x130/0x360 [ 6941.560124][ T10] netlink_unicast+0x449/0x710 [ 6941.560124][ T10] netlink_sendmsg+0x723/0xbe0 [ 6941.560124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6941.560124][ T10] ___sys_sendmsg+0xee/0x170 [ 6941.560124][ T10] __sys_sendmsg+0xcd/0x170 [ 6941.560124][ T10] do_syscall_64+0xc6/0x1e0 [ 6941.560124][ T10] [ 6941.562313][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6941.562313][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6941.562313][ T10] ipv6_find_idev+0x102/0x170 [ 6941.562313][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6941.562313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6941.562313][ T10] netlink_rcv_skb+0x130/0x360 [ 6941.562313][ T10] netlink_unicast+0x449/0x710 [ 6941.562313][ T10] netlink_sendmsg+0x723/0xbe0 [ 6941.562313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6941.562313][ T10] ___sys_sendmsg+0xee/0x170 [ 6941.562313][ T10] __sys_sendmsg+0xcd/0x170 [ 6941.562313][ T10] do_syscall_64+0xc6/0x1e0 [ 6941.562313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6941.562313][ T10] [ 6941.564002][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6941.564002][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6941.564002][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6941.564002][ T10] ipv6_find_idev+0x102/0x170 [ 6941.564002][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6941.564002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6941.564002][ T10] netlink_rcv_skb+0x130/0x360 [ 6941.564002][ T10] netlink_unicast+0x449/0x710 [ 6941.564002][ T10] netlink_sendmsg+0x723/0xbe0 [ 6941.564002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6941.564002][ T10] ___sys_sendmsg+0xee/0x170 [ 6941.564002][ T10] __sys_sendmsg+0xcd/0x170 [ 6941.564002][ T10] do_syscall_64+0xc6/0x1e0 [ 6941.564002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6941.564002][ T10] [ 6941.565865][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6941.566148][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6941.566148][ T10] netdev_get_by_index+0x5e/0x80 [ 6941.566148][ T10] fib6_nh_init+0x3d8/0x1580 [ 6941.566148][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6941.566148][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6941.566148][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6941.566148][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6941.566148][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6941.566148][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6941.566148][ T10] addrconf_dad_begin+0x310/0x670 [ 6941.566148][ T10] addrconf_dad_work+0x10b/0xab0 [ 6941.566148][ T10] process_one_work+0x84d/0x18a0 [ 6941.566148][ T10] worker_thread+0x587/0xd30 [ 6941.566148][ T10] kthread+0x28a/0x350 [ 6941.566148][ T10] ret_from_fork+0x31/0x70 [ 6941.566148][ T10] ret_from_fork_asm+0x1a/0x30 [ 6941.566148][ T10] [ 6941.568264][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6941.568264][ T10] netdev_get_by_index+0x5e/0x80 [ 6941.568264][ T10] fib6_nh_init+0x3d8/0x1580 [ 6941.568264][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6941.568264][ T10] ip6_route_add+0x1c/0x140 [ 6941.568264][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6941.568264][ T10] inet6_addr_add+0x4f8/0xa40 [ 6941.568264][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6941.568264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6941.568264][ T10] netlink_rcv_skb+0x130/0x360 [ 6941.568264][ T10] netlink_unicast+0x449/0x710 [ 6941.568264][ T10] netlink_sendmsg+0x723/0xbe0 [ 6941.568264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6941.568264][ T10] ___sys_sendmsg+0xee/0x170 [ 6941.568264][ T10] __sys_sendmsg+0xcd/0x170 [ 6941.568264][ T10] do_syscall_64+0xc6/0x1e0 [ 6941.568264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6941.568264][ T10] [ 6941.570483][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6941.570483][ T10] netdev_get_by_index+0x5e/0x80 [ 6941.570483][ T10] fib6_nh_init+0x3d8/0x1580 [ 6941.570483][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6941.570483][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6941.570483][ T10] ipv6_add_addr+0x411/0x2000 [ 6941.570483][ T10] inet6_addr_add+0x30e/0xa40 [ 6941.570483][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6941.570483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6941.570483][ T10] netlink_rcv_skb+0x130/0x360 [ 6941.570483][ T10] netlink_unicast+0x449/0x710 [ 6941.570483][ T10] netlink_sendmsg+0x723/0xbe0 [ 6941.570483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6941.570483][ T10] ___sys_sendmsg+0xee/0x170 [ 6941.570483][ T10] __sys_sendmsg+0xcd/0x170 [ 6941.570483][ T10] do_syscall_64+0xc6/0x1e0 [ 6941.570483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6941.570483][ T10] [ 6941.572689][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6941.572689][ T10] netdev_get_by_index+0x5e/0x80 [ 6941.572689][ T10] fib6_nh_init+0x3d8/0x1580 [ 6941.572689][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6941.572689][ T10] ip6_route_add+0x1c/0x140 [ 6941.572689][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6941.572689][ T10] addrconf_add_dev+0xe2/0x170 [ 6941.572689][ T10] inet6_addr_add+0x12f/0xa40 [ 6941.572689][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6941.572689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6941.572689][ T10] netlink_rcv_skb+0x130/0x360 [ 6941.572689][ T10] netlink_unicast+0x449/0x710 [ 6941.572689][ T10] netlink_sendmsg+0x723/0xbe0 [ 6941.572689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6941.572689][ T10] ___sys_sendmsg+0xee/0x170 [ 6941.572689][ T10] __sys_sendmsg+0xcd/0x170 [ 6941.572689][ T10] do_syscall_64+0xc6/0x1e0 [ 6941.572689][ T10] [ 6941.574855][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6941.574855][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6941.574855][ T10] ipv6_find_idev+0x102/0x170 [ 6941.574855][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6941.574855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6941.574855][ T10] netlink_rcv_skb+0x130/0x360 [ 6941.574855][ T10] netlink_unicast+0x449/0x710 [ 6941.574855][ T10] netlink_sendmsg+0x723/0xbe0 [ 6941.574855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6941.574855][ T10] ___sys_sendmsg+0xee/0x170 [ 6941.574855][ T10] __sys_sendmsg+0xcd/0x170 [ 6941.574855][ T10] do_syscall_64+0xc6/0x1e0 [ 6941.574855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6941.574855][ T10] [ 6941.576572][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6941.576572][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6941.576572][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6941.576572][ T10] ipv6_find_idev+0x102/0x170 [ 6941.576572][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6941.576572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6941.576572][ T10] netlink_rcv_skb+0x130/0x360 [ 6941.576572][ T10] netlink_unicast+0x449/0x710 [ 6941.576572][ T10] netlink_sendmsg+0x723/0xbe0 [ 6941.576572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6941.576572][ T10] ___sys_sendmsg+0xee/0x170 [ 6941.576572][ T10] __sys_sendmsg+0xcd/0x170 [ 6941.576572][ T10] do_syscall_64+0xc6/0x1e0 [ 6941.576572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6941.576572][ T10] [ 6941.578437][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6941.578705][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6941.578705][ T10] netdev_get_by_index+0x5e/0x80 [ 6941.578705][ T10] fib6_nh_init+0x3d8/0x1580 [ 6941.578705][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6941.578705][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6941.578705][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6941.578705][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6941.578705][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6941.578705][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6941.578705][ T10] addrconf_dad_begin+0x310/0x670 [ 6941.578705][ T10] addrconf_dad_work+0x10b/0xab0 [ 6941.578705][ T10] process_one_work+0x84d/0x18a0 [ 6941.578705][ T10] worker_thread+0x587/0xd30 [ 6941.578705][ T10] kthread+0x28a/0x350 [ 6941.578705][ T10] ret_from_fork+0x31/0x70 [ 6941.578705][ T10] ret_from_fork_asm+0x1a/0x30 [ 6941.578705][ T10] [ 6941.580828][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6941.580828][ T10] netdev_get_by_index+0x5e/0x80 [ 6941.580828][ T10] fib6_nh_init+0x3d8/0x1580 [ 6941.580828][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6941.580828][ T10] ip6_route_add+0x1c/0x140 [ 6941.580828][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6941.580828][ T10] inet6_addr_add+0x4f8/0xa40 [ 6941.580828][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6941.580828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6941.580828][ T10] netlink_rcv_skb+0x130/0x360 [ 6941.580828][ T10] netlink_unicast+0x449/0x710 [ 6941.580828][ T10] netlink_sendmsg+0x723/0xbe0 [ 6941.580828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6941.580828][ T10] ___sys_sendmsg+0xee/0x170 [ 6941.580828][ T10] __sys_sendmsg+0xcd/0x170 [ 6941.580828][ T10] do_syscall_64+0xc6/0x1e0 [ 6941.580828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6941.580828][ T10] [ 6941.583230][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6941.583230][ T10] netdev_get_by_index+0x5e/0x80 [ 6941.583230][ T10] fib6_nh_init+0x3d8/0x1580 [ 6941.583230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6941.583230][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6941.583230][ T10] ipv6_add_addr+0x411/0x2000 [ 6941.583230][ T10] inet6_addr_add+0x30e/0xa40 [ 6941.583230][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6941.583230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6941.583230][ T10] netlink_rcv_skb+0x130/0x360 [ 6941.583230][ T10] netlink_unicast+0x449/0x710 [ 6941.583230][ T10] netlink_sendmsg+0x723/0xbe0 [ 6941.583230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6941.583230][ T10] ___sys_sendmsg+0xee/0x170 [ 6941.583230][ T10] __sys_sendmsg+0xcd/0x170 [ 6941.583230][ T10] do_syscall_64+0xc6/0x1e0 [ 6941.583230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6941.583230][ T10] [ 6941.585681][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6941.585681][ T10] netdev_get_by_index+0x5e/0x80 [ 6941.585681][ T10] fib6_nh_init+0x3d8/0x1580 [ 6941.585681][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6941.585681][ T10] ip6_route_add+0x1c/0x140 [ 6941.585681][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6941.585681][ T10] addrconf_add_dev+0xe2/0x170 [ 6941.585681][ T10] inet6_addr_add+0x12f/0xa40 [ 6941.585681][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6941.585681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6941.585681][ T10] netlink_rcv_skb+0x130/0x360 [ 6941.585681][ T10] netlink_unicast+0x449/0x710 [ 6941.585681][ T10] netlink_sendmsg+0x723/0xbe0 [ 6941.585681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6941.585681][ T10] ___sys_sendmsg+0xee/0x170 [ 6941.585681][ T10] __sys_sendmsg+0xcd/0x170 [ 6941.585681][ T10] do_syscall_64+0xc6/0x1e0 [ 6941.585681][ T10] [ 6941.588091][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6941.588091][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6941.588091][ T10] ipv6_find_idev+0x102/0x170 [ 6941.588091][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6941.588091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6941.588091][ T10] netlink_rcv_skb+0x130/0x360 [ 6941.588091][ T10] netlink_unicast+0x449/0x710 [ 6941.588091][ T10] netlink_sendmsg+0x723/0xbe0 [ 6941.588091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6941.588091][ T10] ___sys_sendmsg+0xee/0x170 [ 6941.588091][ T10] __sys_sendmsg+0xcd/0x170 [ 6941.588091][ T10] do_syscall_64+0xc6/0x1e0 [ 6941.588091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6941.588091][ T10] [ 6941.589971][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6941.589971][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6941.589971][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6941.589971][ T10] ipv6_find_idev+0x102/0x170 [ 6941.589971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6941.589971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6941.589971][ T10] netlink_rcv_skb+0x130/0x360 [ 6941.589971][ T10] netlink_unicast+0x449/0x710 [ 6941.589971][ T10] netlink_sendmsg+0x723/0xbe0 [ 6941.589971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6941.589971][ T10] ___sys_sendmsg+0xee/0x170 [ 6941.589971][ T10] __sys_sendmsg+0xcd/0x170 [ 6941.589971][ T10] do_syscall_64+0xc6/0x1e0 [ 6941.589971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6941.589971][ T10] [ 6941.592073][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6941.592395][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6941.592395][ T10] netdev_get_by_index+0x5e/0x80 [ 6941.592395][ T10] fib6_nh_init+0x3d8/0x1580 [ 6941.592395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6941.592395][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6941.592395][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6941.592395][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6941.592395][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6941.592395][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6941.592395][ T10] addrconf_dad_begin+0x310/0x670 [ 6941.592395][ T10] addrconf_dad_work+0x10b/0xab0 [ 6941.592395][ T10] process_one_work+0x84d/0x18a0 [ 6941.592395][ T10] worker_thread+0x587/0xd30 [ 6941.592395][ T10] kthread+0x28a/0x350 [ 6941.592395][ T10] ret_from_fork+0x31/0x70 [ 6941.592395][ T10] ret_from_fork_asm+0x1a/0x30 [ 6941.592395][ T10] [ 6941.594638][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6941.594638][ T10] netdev_get_by_index+0x5e/0x80 [ 6941.594638][ T10] fib6_nh_init+0x3d8/0x1580 [ 6941.594638][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6941.594638][ T10] ip6_route_add+0x1c/0x140 [ 6941.594638][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6941.594638][ T10] inet6_addr_add+0x4f8/0xa40 [ 6941.594638][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6941.594638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6941.594638][ T10] netlink_rcv_skb+0x130/0x360 [ 6941.594638][ T10] netlink_unicast+0x449/0x710 [ 6941.594638][ T10] netlink_sendmsg+0x723/0xbe0 [ 6941.594638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6941.594638][ T10] ___sys_sendmsg+0xee/0x170 [ 6941.594638][ T10] __sys_sendmsg+0xcd/0x170 [ 6941.594638][ T10] do_syscall_64+0xc6/0x1e0 [ 6941.594638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6941.594638][ T10] [ 6941.597092][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6941.597092][ T10] netdev_get_by_index+0x5e/0x80 [ 6941.597092][ T10] fib6_nh_init+0x3d8/0x1580 [ 6941.597092][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6941.597092][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6941.597092][ T10] ipv6_add_addr+0x411/0x2000 [ 6941.597092][ T10] inet6_addr_add+0x30e/0xa40 [ 6941.597092][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6941.597092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6941.597092][ T10] netlink_rcv_skb+0x130/0x360 [ 6941.597092][ T10] netlink_unicast+0x449/0x710 [ 6941.597092][ T10] netlink_sendmsg+0x723/0xbe0 [ 6941.597092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6941.597092][ T10] ___sys_sendmsg+0xee/0x170 [ 6941.597092][ T10] __sys_sendmsg+0xcd/0x170 [ 6941.597092][ T10] do_syscall_64+0xc6/0x1e0 [ 6941.597092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6941.597092][ T10] [ 6941.599535][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6941.599535][ T10] netdev_get_by_index+0x5e/0x80 [ 6941.599535][ T10] fib6_nh_init+0x3d8/0x1580 [ 6941.599535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6941.599535][ T10] ip6_route_add+0x1c/0x140 [ 6941.599535][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6941.599535][ T10] addrconf_add_dev+0xe2/0x170 [ 6941.599535][ T10] inet6_addr_add+0x12f/0xa40 [ 6941.599535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6941.599535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6941.599535][ T10] netlink_rcv_skb+0x130/0x360 [ 6941.599535][ T10] netlink_unicast+0x449/0x710 [ 6941.599535][ T10] netlink_sendmsg+0x723/0xbe0 [ 6941.599535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6941.599535][ T10] ___sys_sendmsg+0xee/0x170 [ 6941.599535][ T10] __sys_sendmsg+0xcd/0x170 [ 6941.599535][ T10] do_syscall_64+0xc6/0x1e0 [ 6941.599535][ T10] [ 6941.602010][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6941.602010][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6941.602010][ T10] ipv6_find_idev+0x102/0x170 [ 6941.602010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6941.602010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6941.602010][ T10] netlink_rcv_skb+0x130/0x360 [ 6941.602010][ T10] netlink_unicast+0x449/0x710 [ 6941.602010][ T10] netlink_sendmsg+0x723/0xbe0 [ 6941.602010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6941.602010][ T10] ___sys_sendmsg+0xee/0x170 [ 6941.602010][ T10] __sys_sendmsg+0xcd/0x170 [ 6941.602010][ T10] do_syscall_64+0xc6/0x1e0 [ 6941.602010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6941.602010][ T10] [ 6941.603891][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6941.603891][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6941.603891][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6941.603891][ T10] ipv6_find_idev+0x102/0x170 [ 6941.603891][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6941.603891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6941.603891][ T10] netlink_rcv_skb+0x130/0x360 [ 6941.603891][ T10] netlink_unicast+0x449/0x710 [ 6941.603891][ T10] netlink_sendmsg+0x723/0xbe0 [ 6941.603891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6941.603891][ T10] ___sys_sendmsg+0xee/0x170 [ 6941.603891][ T10] __sys_sendmsg+0xcd/0x170 [ 6941.603891][ T10] do_syscall_64+0xc6/0x1e0 [ 6941.603891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6941.603891][ T10] [ 6947.993102][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6947.993647][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6947.993647][ T1167] dst_init+0x84/0x4a0 [ 6947.993647][ T1167] dst_alloc+0x97/0x150 [ 6947.993647][ T1167] ip6_dst_alloc+0x23/0x90 [ 6947.993647][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6947.993647][ T1167] ip6_pol_route+0x56f/0x840 [ 6947.993647][ T1167] fib6_rule_lookup+0x334/0x630 [ 6947.993647][ T1167] ip6_route_output_flags+0x259/0x480 [ 6947.993647][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6947.993647][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6947.993647][ T1167] netlink_rcv_skb+0x130/0x360 [ 6947.993647][ T1167] netlink_unicast+0x449/0x710 [ 6947.993647][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6947.993647][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6947.993647][ T1167] ___sys_sendmsg+0xee/0x170 [ 6947.993647][ T1167] __sys_sendmsg+0xcd/0x170 [ 6947.993647][ T1167] do_syscall_64+0xc6/0x1e0 [ 6947.993647][ T1167] [ 6947.996062][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6947.996062][ T1167] netdev_get_by_index+0x5e/0x80 [ 6947.996062][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6947.996062][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6947.996062][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6947.996062][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6947.996062][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6947.996062][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6947.996062][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6947.996062][ T1167] addrconf_dad_begin+0x310/0x670 [ 6947.996062][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6947.996062][ T1167] process_one_work+0x84d/0x18a0 [ 6947.996062][ T1167] worker_thread+0x587/0xd30 [ 6947.996062][ T1167] kthread+0x28a/0x350 [ 6947.996062][ T1167] ret_from_fork+0x31/0x70 [ 6947.996062][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6947.996062][ T1167] [ 6947.998422][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6947.998422][ T1167] netdev_get_by_index+0x5e/0x80 [ 6947.998422][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6947.998422][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6947.998422][ T1167] ip6_route_add+0x1c/0x140 [ 6947.998422][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6947.998422][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6947.998422][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6947.998422][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6947.998422][ T1167] netlink_rcv_skb+0x130/0x360 [ 6947.998422][ T1167] netlink_unicast+0x449/0x710 [ 6947.998422][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6947.998422][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6947.998422][ T1167] ___sys_sendmsg+0xee/0x170 [ 6947.998422][ T1167] __sys_sendmsg+0xcd/0x170 [ 6947.998422][ T1167] do_syscall_64+0xc6/0x1e0 [ 6947.998422][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6947.998422][ T1167] [ 6948.000890][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6948.000890][ T1167] netdev_get_by_index+0x5e/0x80 [ 6948.000890][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6948.000890][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6948.000890][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6948.000890][ T1167] ipv6_add_addr+0x411/0x2000 [ 6948.000890][ T1167] inet6_addr_add+0x30e/0xa40 [ 6948.000890][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6948.000890][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6948.000890][ T1167] netlink_rcv_skb+0x130/0x360 [ 6948.000890][ T1167] netlink_unicast+0x449/0x710 [ 6948.000890][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6948.000890][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6948.000890][ T1167] ___sys_sendmsg+0xee/0x170 [ 6948.000890][ T1167] __sys_sendmsg+0xcd/0x170 [ 6948.000890][ T1167] do_syscall_64+0xc6/0x1e0 [ 6948.000890][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6948.000890][ T1167] [ 6948.003411][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6948.003411][ T1167] netdev_get_by_index+0x5e/0x80 [ 6948.003411][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6948.003411][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6948.003411][ T1167] ip6_route_add+0x1c/0x140 [ 6948.003411][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6948.003411][ T1167] addrconf_add_dev+0xe2/0x170 [ 6948.003411][ T1167] inet6_addr_add+0x12f/0xa40 [ 6948.003411][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6948.003411][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6948.003411][ T1167] netlink_rcv_skb+0x130/0x360 [ 6948.003411][ T1167] netlink_unicast+0x449/0x710 [ 6948.003411][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6948.003411][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6948.003411][ T1167] ___sys_sendmsg+0xee/0x170 [ 6948.003411][ T1167] __sys_sendmsg+0xcd/0x170 [ 6948.003411][ T1167] do_syscall_64+0xc6/0x1e0 [ 6948.003411][ T1167] [ 6948.005833][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6948.005833][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6948.005833][ T1167] ipv6_find_idev+0x102/0x170 [ 6948.005833][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6948.005833][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6948.005833][ T1167] netlink_rcv_skb+0x130/0x360 [ 6948.005833][ T1167] netlink_unicast+0x449/0x710 [ 6948.005833][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6948.005833][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6948.005833][ T1167] ___sys_sendmsg+0xee/0x170 [ 6948.005833][ T1167] __sys_sendmsg+0xcd/0x170 [ 6948.005833][ T1167] do_syscall_64+0xc6/0x1e0 [ 6948.005833][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6948.005833][ T1167] [ 6948.007722][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6948.007722][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6948.007722][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6948.007722][ T1167] ipv6_find_idev+0x102/0x170 [ 6948.007722][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6948.007722][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6948.007722][ T1167] netlink_rcv_skb+0x130/0x360 [ 6948.007722][ T1167] netlink_unicast+0x449/0x710 [ 6948.007722][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6948.007722][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6948.007722][ T1167] ___sys_sendmsg+0xee/0x170 [ 6948.007722][ T1167] __sys_sendmsg+0xcd/0x170 [ 6948.007722][ T1167] do_syscall_64+0xc6/0x1e0 [ 6948.007722][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6948.007722][ T1167] [ 6951.849115][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6951.849540][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6951.849540][ T10] netdev_get_by_index+0x5e/0x80 [ 6951.849540][ T10] fib6_nh_init+0x3d8/0x1580 [ 6951.849540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6951.849540][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6951.849540][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6951.849540][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6951.849540][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6951.849540][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6951.849540][ T10] addrconf_dad_begin+0x310/0x670 [ 6951.849540][ T10] addrconf_dad_work+0x10b/0xab0 [ 6951.849540][ T10] process_one_work+0x84d/0x18a0 [ 6951.849540][ T10] worker_thread+0x587/0xd30 [ 6951.849540][ T10] kthread+0x28a/0x350 [ 6951.849540][ T10] ret_from_fork+0x31/0x70 [ 6951.849540][ T10] ret_from_fork_asm+0x1a/0x30 [ 6951.849540][ T10] [ 6951.851689][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6951.851689][ T10] netdev_get_by_index+0x5e/0x80 [ 6951.851689][ T10] fib6_nh_init+0x3d8/0x1580 [ 6951.851689][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6951.851689][ T10] ip6_route_add+0x1c/0x140 [ 6951.851689][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6951.851689][ T10] inet6_addr_add+0x4f8/0xa40 [ 6951.851689][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6951.851689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6951.851689][ T10] netlink_rcv_skb+0x130/0x360 [ 6951.851689][ T10] netlink_unicast+0x449/0x710 [ 6951.851689][ T10] netlink_sendmsg+0x723/0xbe0 [ 6951.851689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6951.851689][ T10] ___sys_sendmsg+0xee/0x170 [ 6951.851689][ T10] __sys_sendmsg+0xcd/0x170 [ 6951.851689][ T10] do_syscall_64+0xc6/0x1e0 [ 6951.851689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6951.851689][ T10] [ 6951.853913][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6951.853913][ T10] netdev_get_by_index+0x5e/0x80 [ 6951.853913][ T10] fib6_nh_init+0x3d8/0x1580 [ 6951.853913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6951.853913][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6951.853913][ T10] ipv6_add_addr+0x411/0x2000 [ 6951.853913][ T10] inet6_addr_add+0x30e/0xa40 [ 6951.853913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6951.853913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6951.853913][ T10] netlink_rcv_skb+0x130/0x360 [ 6951.853913][ T10] netlink_unicast+0x449/0x710 [ 6951.853913][ T10] netlink_sendmsg+0x723/0xbe0 [ 6951.853913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6951.853913][ T10] ___sys_sendmsg+0xee/0x170 [ 6951.853913][ T10] __sys_sendmsg+0xcd/0x170 [ 6951.853913][ T10] do_syscall_64+0xc6/0x1e0 [ 6951.853913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6951.853913][ T10] [ 6951.856143][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6951.856143][ T10] netdev_get_by_index+0x5e/0x80 [ 6951.856143][ T10] fib6_nh_init+0x3d8/0x1580 [ 6951.856143][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6951.856143][ T10] ip6_route_add+0x1c/0x140 [ 6951.856143][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6951.856143][ T10] addrconf_add_dev+0xe2/0x170 [ 6951.856143][ T10] inet6_addr_add+0x12f/0xa40 [ 6951.856143][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6951.856143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6951.856143][ T10] netlink_rcv_skb+0x130/0x360 [ 6951.856143][ T10] netlink_unicast+0x449/0x710 [ 6951.856143][ T10] netlink_sendmsg+0x723/0xbe0 [ 6951.856143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6951.856143][ T10] ___sys_sendmsg+0xee/0x170 [ 6951.856143][ T10] __sys_sendmsg+0xcd/0x170 [ 6951.856143][ T10] do_syscall_64+0xc6/0x1e0 [ 6951.856143][ T10] [ 6951.858307][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6951.858307][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6951.858307][ T10] ipv6_find_idev+0x102/0x170 [ 6951.858307][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6951.858307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6951.858307][ T10] netlink_rcv_skb+0x130/0x360 [ 6951.858307][ T10] netlink_unicast+0x449/0x710 [ 6951.858307][ T10] netlink_sendmsg+0x723/0xbe0 [ 6951.858307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6951.858307][ T10] ___sys_sendmsg+0xee/0x170 [ 6951.858307][ T10] __sys_sendmsg+0xcd/0x170 [ 6951.858307][ T10] do_syscall_64+0xc6/0x1e0 [ 6951.858307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6951.858307][ T10] [ 6951.860005][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6951.860005][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6951.860005][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6951.860005][ T10] ipv6_find_idev+0x102/0x170 [ 6951.860005][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6951.860005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6951.860005][ T10] netlink_rcv_skb+0x130/0x360 [ 6951.860005][ T10] netlink_unicast+0x449/0x710 [ 6951.860005][ T10] netlink_sendmsg+0x723/0xbe0 [ 6951.860005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6951.860005][ T10] ___sys_sendmsg+0xee/0x170 [ 6951.860005][ T10] __sys_sendmsg+0xcd/0x170 [ 6951.860005][ T10] do_syscall_64+0xc6/0x1e0 [ 6951.860005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6951.860005][ T10] [ 6951.861861][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6951.862147][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6951.862147][ T10] netdev_get_by_index+0x5e/0x80 [ 6951.862147][ T10] fib6_nh_init+0x3d8/0x1580 [ 6951.862147][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6951.862147][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6951.862147][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6951.862147][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6951.862147][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6951.862147][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6951.862147][ T10] addrconf_dad_begin+0x310/0x670 [ 6951.862147][ T10] addrconf_dad_work+0x10b/0xab0 [ 6951.862147][ T10] process_one_work+0x84d/0x18a0 [ 6951.862147][ T10] worker_thread+0x587/0xd30 [ 6951.862147][ T10] kthread+0x28a/0x350 [ 6951.862147][ T10] ret_from_fork+0x31/0x70 [ 6951.862147][ T10] ret_from_fork_asm+0x1a/0x30 [ 6951.862147][ T10] [ 6951.864267][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6951.864267][ T10] netdev_get_by_index+0x5e/0x80 [ 6951.864267][ T10] fib6_nh_init+0x3d8/0x1580 [ 6951.864267][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6951.864267][ T10] ip6_route_add+0x1c/0x140 [ 6951.864267][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6951.864267][ T10] inet6_addr_add+0x4f8/0xa40 [ 6951.864267][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6951.864267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6951.864267][ T10] netlink_rcv_skb+0x130/0x360 [ 6951.864267][ T10] netlink_unicast+0x449/0x710 [ 6951.864267][ T10] netlink_sendmsg+0x723/0xbe0 [ 6951.864267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6951.864267][ T10] ___sys_sendmsg+0xee/0x170 [ 6951.864267][ T10] __sys_sendmsg+0xcd/0x170 [ 6951.864267][ T10] do_syscall_64+0xc6/0x1e0 [ 6951.864267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6951.864267][ T10] [ 6951.866494][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6951.866494][ T10] netdev_get_by_index+0x5e/0x80 [ 6951.866494][ T10] fib6_nh_init+0x3d8/0x1580 [ 6951.866494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6951.866494][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6951.866494][ T10] ipv6_add_addr+0x411/0x2000 [ 6951.866494][ T10] inet6_addr_add+0x30e/0xa40 [ 6951.866494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6951.866494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6951.866494][ T10] netlink_rcv_skb+0x130/0x360 [ 6951.866494][ T10] netlink_unicast+0x449/0x710 [ 6951.866494][ T10] netlink_sendmsg+0x723/0xbe0 [ 6951.866494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6951.866494][ T10] ___sys_sendmsg+0xee/0x170 [ 6951.866494][ T10] __sys_sendmsg+0xcd/0x170 [ 6951.866494][ T10] do_syscall_64+0xc6/0x1e0 [ 6951.866494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6951.866494][ T10] [ 6951.868702][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6951.868702][ T10] netdev_get_by_index+0x5e/0x80 [ 6951.868702][ T10] fib6_nh_init+0x3d8/0x1580 [ 6951.868702][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6951.868702][ T10] ip6_route_add+0x1c/0x140 [ 6951.868702][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6951.868702][ T10] addrconf_add_dev+0xe2/0x170 [ 6951.868702][ T10] inet6_addr_add+0x12f/0xa40 [ 6951.868702][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6951.868702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6951.868702][ T10] netlink_rcv_skb+0x130/0x360 [ 6951.868702][ T10] netlink_unicast+0x449/0x710 [ 6951.868702][ T10] netlink_sendmsg+0x723/0xbe0 [ 6951.868702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6951.868702][ T10] ___sys_sendmsg+0xee/0x170 [ 6951.868702][ T10] __sys_sendmsg+0xcd/0x170 [ 6951.868702][ T10] do_syscall_64+0xc6/0x1e0 [ 6951.868702][ T10] [ 6951.870883][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6951.870883][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6951.870883][ T10] ipv6_find_idev+0x102/0x170 [ 6951.870883][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6951.870883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6951.870883][ T10] netlink_rcv_skb+0x130/0x360 [ 6951.870883][ T10] netlink_unicast+0x449/0x710 [ 6951.870883][ T10] netlink_sendmsg+0x723/0xbe0 [ 6951.870883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6951.870883][ T10] ___sys_sendmsg+0xee/0x170 [ 6951.870883][ T10] __sys_sendmsg+0xcd/0x170 [ 6951.870883][ T10] do_syscall_64+0xc6/0x1e0 [ 6951.870883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6951.870883][ T10] [ 6951.872590][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6951.872590][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6951.872590][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6951.872590][ T10] ipv6_find_idev+0x102/0x170 [ 6951.872590][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6951.872590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6951.872590][ T10] netlink_rcv_skb+0x130/0x360 [ 6951.872590][ T10] netlink_unicast+0x449/0x710 [ 6951.872590][ T10] netlink_sendmsg+0x723/0xbe0 [ 6951.872590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6951.872590][ T10] ___sys_sendmsg+0xee/0x170 [ 6951.872590][ T10] __sys_sendmsg+0xcd/0x170 [ 6951.872590][ T10] do_syscall_64+0xc6/0x1e0 [ 6951.872590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6951.872590][ T10] [ 6951.874450][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6951.874719][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6951.874719][ T10] netdev_get_by_index+0x5e/0x80 [ 6951.874719][ T10] fib6_nh_init+0x3d8/0x1580 [ 6951.874719][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6951.874719][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6951.874719][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6951.874719][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6951.874719][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6951.874719][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6951.874719][ T10] addrconf_dad_begin+0x310/0x670 [ 6951.874719][ T10] addrconf_dad_work+0x10b/0xab0 [ 6951.874719][ T10] process_one_work+0x84d/0x18a0 [ 6951.874719][ T10] worker_thread+0x587/0xd30 [ 6951.874719][ T10] kthread+0x28a/0x350 [ 6951.874719][ T10] ret_from_fork+0x31/0x70 [ 6951.874719][ T10] ret_from_fork_asm+0x1a/0x30 [ 6951.874719][ T10] [ 6951.876838][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6951.876838][ T10] netdev_get_by_index+0x5e/0x80 [ 6951.876838][ T10] fib6_nh_init+0x3d8/0x1580 [ 6951.876838][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6951.876838][ T10] ip6_route_add+0x1c/0x140 [ 6951.876838][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6951.876838][ T10] inet6_addr_add+0x4f8/0xa40 [ 6951.876838][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6951.876838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6951.876838][ T10] netlink_rcv_skb+0x130/0x360 [ 6951.876838][ T10] netlink_unicast+0x449/0x710 [ 6951.876838][ T10] netlink_sendmsg+0x723/0xbe0 [ 6951.876838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6951.876838][ T10] ___sys_sendmsg+0xee/0x170 [ 6951.876838][ T10] __sys_sendmsg+0xcd/0x170 [ 6951.876838][ T10] do_syscall_64+0xc6/0x1e0 [ 6951.876838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6951.876838][ T10] [ 6951.879241][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6951.879241][ T10] netdev_get_by_index+0x5e/0x80 [ 6951.879241][ T10] fib6_nh_init+0x3d8/0x1580 [ 6951.879241][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6951.879241][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6951.879241][ T10] ipv6_add_addr+0x411/0x2000 [ 6951.879241][ T10] inet6_addr_add+0x30e/0xa40 [ 6951.879241][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6951.879241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6951.879241][ T10] netlink_rcv_skb+0x130/0x360 [ 6951.879241][ T10] netlink_unicast+0x449/0x710 [ 6951.879241][ T10] netlink_sendmsg+0x723/0xbe0 [ 6951.879241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6951.879241][ T10] ___sys_sendmsg+0xee/0x170 [ 6951.879241][ T10] __sys_sendmsg+0xcd/0x170 [ 6951.879241][ T10] do_syscall_64+0xc6/0x1e0 [ 6951.879241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6951.879241][ T10] [ 6951.881730][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6951.881730][ T10] netdev_get_by_index+0x5e/0x80 [ 6951.881730][ T10] fib6_nh_init+0x3d8/0x1580 [ 6951.881730][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6951.881730][ T10] ip6_route_add+0x1c/0x140 [ 6951.881730][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6951.881730][ T10] addrconf_add_dev+0xe2/0x170 [ 6951.881730][ T10] inet6_addr_add+0x12f/0xa40 [ 6951.881730][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6951.881730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6951.881730][ T10] netlink_rcv_skb+0x130/0x360 [ 6951.881730][ T10] netlink_unicast+0x449/0x710 [ 6951.881730][ T10] netlink_sendmsg+0x723/0xbe0 [ 6951.881730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6951.881730][ T10] ___sys_sendmsg+0xee/0x170 [ 6951.881730][ T10] __sys_sendmsg+0xcd/0x170 [ 6951.881730][ T10] do_syscall_64+0xc6/0x1e0 [ 6951.881730][ T10] [ 6951.884143][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6951.884143][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6951.884143][ T10] ipv6_find_idev+0x102/0x170 [ 6951.884143][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6951.884143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6951.884143][ T10] netlink_rcv_skb+0x130/0x360 [ 6951.884143][ T10] netlink_unicast+0x449/0x710 [ 6951.884143][ T10] netlink_sendmsg+0x723/0xbe0 [ 6951.884143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6951.884143][ T10] ___sys_sendmsg+0xee/0x170 [ 6951.884143][ T10] __sys_sendmsg+0xcd/0x170 [ 6951.884143][ T10] do_syscall_64+0xc6/0x1e0 [ 6951.884143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6951.884143][ T10] [ 6951.886089][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6951.886089][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6951.886089][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6951.886089][ T10] ipv6_find_idev+0x102/0x170 [ 6951.886089][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6951.886089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6951.886089][ T10] netlink_rcv_skb+0x130/0x360 [ 6951.886089][ T10] netlink_unicast+0x449/0x710 [ 6951.886089][ T10] netlink_sendmsg+0x723/0xbe0 [ 6951.886089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6951.886089][ T10] ___sys_sendmsg+0xee/0x170 [ 6951.886089][ T10] __sys_sendmsg+0xcd/0x170 [ 6951.886089][ T10] do_syscall_64+0xc6/0x1e0 [ 6951.886089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6951.886089][ T10] [ 6951.888107][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6951.888430][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6951.888430][ T10] netdev_get_by_index+0x5e/0x80 [ 6951.888430][ T10] fib6_nh_init+0x3d8/0x1580 [ 6951.888430][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6951.888430][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6951.888430][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6951.888430][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6951.888430][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6951.888430][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6951.888430][ T10] addrconf_dad_begin+0x310/0x670 [ 6951.888430][ T10] addrconf_dad_work+0x10b/0xab0 [ 6951.888430][ T10] process_one_work+0x84d/0x18a0 [ 6951.888430][ T10] worker_thread+0x587/0xd30 [ 6951.888430][ T10] kthread+0x28a/0x350 [ 6951.888430][ T10] ret_from_fork+0x31/0x70 [ 6951.888430][ T10] ret_from_fork_asm+0x1a/0x30 [ 6951.888430][ T10] [ 6951.890714][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6951.890714][ T10] netdev_get_by_index+0x5e/0x80 [ 6951.890714][ T10] fib6_nh_init+0x3d8/0x1580 [ 6951.890714][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6951.890714][ T10] ip6_route_add+0x1c/0x140 [ 6951.890714][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6951.890714][ T10] inet6_addr_add+0x4f8/0xa40 [ 6951.890714][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6951.890714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6951.890714][ T10] netlink_rcv_skb+0x130/0x360 [ 6951.890714][ T10] netlink_unicast+0x449/0x710 [ 6951.890714][ T10] netlink_sendmsg+0x723/0xbe0 [ 6951.890714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6951.890714][ T10] ___sys_sendmsg+0xee/0x170 [ 6951.890714][ T10] __sys_sendmsg+0xcd/0x170 [ 6951.890714][ T10] do_syscall_64+0xc6/0x1e0 [ 6951.890714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6951.890714][ T10] [ 6951.893156][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6951.893156][ T10] netdev_get_by_index+0x5e/0x80 [ 6951.893156][ T10] fib6_nh_init+0x3d8/0x1580 [ 6951.893156][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6951.893156][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6951.893156][ T10] ipv6_add_addr+0x411/0x2000 [ 6951.893156][ T10] inet6_addr_add+0x30e/0xa40 [ 6951.893156][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6951.893156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6951.893156][ T10] netlink_rcv_skb+0x130/0x360 [ 6951.893156][ T10] netlink_unicast+0x449/0x710 [ 6951.893156][ T10] netlink_sendmsg+0x723/0xbe0 [ 6951.893156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6951.893156][ T10] ___sys_sendmsg+0xee/0x170 [ 6951.893156][ T10] __sys_sendmsg+0xcd/0x170 [ 6951.893156][ T10] do_syscall_64+0xc6/0x1e0 [ 6951.893156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6951.893156][ T10] [ 6951.895691][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6951.895691][ T10] netdev_get_by_index+0x5e/0x80 [ 6951.895691][ T10] fib6_nh_init+0x3d8/0x1580 [ 6951.895691][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6951.895691][ T10] ip6_route_add+0x1c/0x140 [ 6951.895691][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6951.895691][ T10] addrconf_add_dev+0xe2/0x170 [ 6951.895691][ T10] inet6_addr_add+0x12f/0xa40 [ 6951.895691][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6951.895691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6951.895691][ T10] netlink_rcv_skb+0x130/0x360 [ 6951.895691][ T10] netlink_unicast+0x449/0x710 [ 6951.895691][ T10] netlink_sendmsg+0x723/0xbe0 [ 6951.895691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6951.895691][ T10] ___sys_sendmsg+0xee/0x170 [ 6951.895691][ T10] __sys_sendmsg+0xcd/0x170 [ 6951.895691][ T10] do_syscall_64+0xc6/0x1e0 [ 6951.895691][ T10] [ 6951.898105][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6951.898105][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6951.898105][ T10] ipv6_find_idev+0x102/0x170 [ 6951.898105][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6951.898105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6951.898105][ T10] netlink_rcv_skb+0x130/0x360 [ 6951.898105][ T10] netlink_unicast+0x449/0x710 [ 6951.898105][ T10] netlink_sendmsg+0x723/0xbe0 [ 6951.898105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6951.898105][ T10] ___sys_sendmsg+0xee/0x170 [ 6951.898105][ T10] __sys_sendmsg+0xcd/0x170 [ 6951.898105][ T10] do_syscall_64+0xc6/0x1e0 [ 6951.898105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6951.898105][ T10] [ 6951.899979][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6951.899979][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6951.899979][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6951.899979][ T10] ipv6_find_idev+0x102/0x170 [ 6951.899979][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6951.899979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6951.899979][ T10] netlink_rcv_skb+0x130/0x360 [ 6951.899979][ T10] netlink_unicast+0x449/0x710 [ 6951.899979][ T10] netlink_sendmsg+0x723/0xbe0 [ 6951.899979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6951.899979][ T10] ___sys_sendmsg+0xee/0x170 [ 6951.899979][ T10] __sys_sendmsg+0xcd/0x170 [ 6951.899979][ T10] do_syscall_64+0xc6/0x1e0 [ 6951.899979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6951.899979][ T10] [ 6958.249133][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6958.249633][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6958.249633][ T1167] dst_init+0x84/0x4a0 [ 6958.249633][ T1167] dst_alloc+0x97/0x150 [ 6958.249633][ T1167] ip6_dst_alloc+0x23/0x90 [ 6958.249633][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6958.249633][ T1167] ip6_pol_route+0x56f/0x840 [ 6958.249633][ T1167] fib6_rule_lookup+0x334/0x630 [ 6958.249633][ T1167] ip6_route_output_flags+0x259/0x480 [ 6958.249633][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6958.249633][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6958.249633][ T1167] netlink_rcv_skb+0x130/0x360 [ 6958.249633][ T1167] netlink_unicast+0x449/0x710 [ 6958.249633][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6958.249633][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6958.249633][ T1167] ___sys_sendmsg+0xee/0x170 [ 6958.249633][ T1167] __sys_sendmsg+0xcd/0x170 [ 6958.249633][ T1167] do_syscall_64+0xc6/0x1e0 [ 6958.249633][ T1167] [ 6958.252043][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6958.252043][ T1167] netdev_get_by_index+0x5e/0x80 [ 6958.252043][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6958.252043][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6958.252043][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6958.252043][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6958.252043][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6958.252043][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6958.252043][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6958.252043][ T1167] addrconf_dad_begin+0x310/0x670 [ 6958.252043][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6958.252043][ T1167] process_one_work+0x84d/0x18a0 [ 6958.252043][ T1167] worker_thread+0x587/0xd30 [ 6958.252043][ T1167] kthread+0x28a/0x350 [ 6958.252043][ T1167] ret_from_fork+0x31/0x70 [ 6958.252043][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6958.252043][ T1167] [ 6958.254401][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6958.254401][ T1167] netdev_get_by_index+0x5e/0x80 [ 6958.254401][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6958.254401][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6958.254401][ T1167] ip6_route_add+0x1c/0x140 [ 6958.254401][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6958.254401][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6958.254401][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6958.254401][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6958.254401][ T1167] netlink_rcv_skb+0x130/0x360 [ 6958.254401][ T1167] netlink_unicast+0x449/0x710 [ 6958.254401][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6958.254401][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6958.254401][ T1167] ___sys_sendmsg+0xee/0x170 [ 6958.254401][ T1167] __sys_sendmsg+0xcd/0x170 [ 6958.254401][ T1167] do_syscall_64+0xc6/0x1e0 [ 6958.254401][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6958.254401][ T1167] [ 6958.256865][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6958.256865][ T1167] netdev_get_by_index+0x5e/0x80 [ 6958.256865][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6958.256865][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6958.256865][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6958.256865][ T1167] ipv6_add_addr+0x411/0x2000 [ 6958.256865][ T1167] inet6_addr_add+0x30e/0xa40 [ 6958.256865][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6958.256865][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6958.256865][ T1167] netlink_rcv_skb+0x130/0x360 [ 6958.256865][ T1167] netlink_unicast+0x449/0x710 [ 6958.256865][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6958.256865][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6958.256865][ T1167] ___sys_sendmsg+0xee/0x170 [ 6958.256865][ T1167] __sys_sendmsg+0xcd/0x170 [ 6958.256865][ T1167] do_syscall_64+0xc6/0x1e0 [ 6958.256865][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6958.256865][ T1167] [ 6958.259331][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6958.259331][ T1167] netdev_get_by_index+0x5e/0x80 [ 6958.259331][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6958.259331][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6958.259331][ T1167] ip6_route_add+0x1c/0x140 [ 6958.259331][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6958.259331][ T1167] addrconf_add_dev+0xe2/0x170 [ 6958.259331][ T1167] inet6_addr_add+0x12f/0xa40 [ 6958.259331][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6958.259331][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6958.259331][ T1167] netlink_rcv_skb+0x130/0x360 [ 6958.259331][ T1167] netlink_unicast+0x449/0x710 [ 6958.259331][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6958.259331][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6958.259331][ T1167] ___sys_sendmsg+0xee/0x170 [ 6958.259331][ T1167] __sys_sendmsg+0xcd/0x170 [ 6958.259331][ T1167] do_syscall_64+0xc6/0x1e0 [ 6958.259331][ T1167] [ 6958.261769][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6958.261769][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6958.261769][ T1167] ipv6_find_idev+0x102/0x170 [ 6958.261769][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6958.261769][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6958.261769][ T1167] netlink_rcv_skb+0x130/0x360 [ 6958.261769][ T1167] netlink_unicast+0x449/0x710 [ 6958.261769][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6958.261769][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6958.261769][ T1167] ___sys_sendmsg+0xee/0x170 [ 6958.261769][ T1167] __sys_sendmsg+0xcd/0x170 [ 6958.261769][ T1167] do_syscall_64+0xc6/0x1e0 [ 6958.261769][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6958.261769][ T1167] [ 6958.263662][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6958.263662][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6958.263662][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6958.263662][ T1167] ipv6_find_idev+0x102/0x170 [ 6958.263662][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6958.263662][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6958.263662][ T1167] netlink_rcv_skb+0x130/0x360 [ 6958.263662][ T1167] netlink_unicast+0x449/0x710 [ 6958.263662][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6958.263662][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6958.263662][ T1167] ___sys_sendmsg+0xee/0x170 [ 6958.263662][ T1167] __sys_sendmsg+0xcd/0x170 [ 6958.263662][ T1167] do_syscall_64+0xc6/0x1e0 [ 6958.263662][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6958.263662][ T1167] [ 6962.145101][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6962.145485][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6962.145485][ T10] netdev_get_by_index+0x5e/0x80 [ 6962.145485][ T10] fib6_nh_init+0x3d8/0x1580 [ 6962.145485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6962.145485][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6962.145485][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6962.145485][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6962.145485][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6962.145485][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6962.145485][ T10] addrconf_dad_begin+0x310/0x670 [ 6962.145485][ T10] addrconf_dad_work+0x10b/0xab0 [ 6962.145485][ T10] process_one_work+0x84d/0x18a0 [ 6962.145485][ T10] worker_thread+0x587/0xd30 [ 6962.145485][ T10] kthread+0x28a/0x350 [ 6962.145485][ T10] ret_from_fork+0x31/0x70 [ 6962.145485][ T10] ret_from_fork_asm+0x1a/0x30 [ 6962.145485][ T10] [ 6962.147617][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6962.147617][ T10] netdev_get_by_index+0x5e/0x80 [ 6962.147617][ T10] fib6_nh_init+0x3d8/0x1580 [ 6962.147617][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6962.147617][ T10] ip6_route_add+0x1c/0x140 [ 6962.147617][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6962.147617][ T10] inet6_addr_add+0x4f8/0xa40 [ 6962.147617][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6962.147617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6962.147617][ T10] netlink_rcv_skb+0x130/0x360 [ 6962.147617][ T10] netlink_unicast+0x449/0x710 [ 6962.147617][ T10] netlink_sendmsg+0x723/0xbe0 [ 6962.147617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6962.147617][ T10] ___sys_sendmsg+0xee/0x170 [ 6962.147617][ T10] __sys_sendmsg+0xcd/0x170 [ 6962.147617][ T10] do_syscall_64+0xc6/0x1e0 [ 6962.147617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6962.147617][ T10] [ 6962.149832][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6962.149832][ T10] netdev_get_by_index+0x5e/0x80 [ 6962.149832][ T10] fib6_nh_init+0x3d8/0x1580 [ 6962.149832][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6962.149832][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6962.149832][ T10] ipv6_add_addr+0x411/0x2000 [ 6962.149832][ T10] inet6_addr_add+0x30e/0xa40 [ 6962.149832][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6962.149832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6962.149832][ T10] netlink_rcv_skb+0x130/0x360 [ 6962.149832][ T10] netlink_unicast+0x449/0x710 [ 6962.149832][ T10] netlink_sendmsg+0x723/0xbe0 [ 6962.149832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6962.149832][ T10] ___sys_sendmsg+0xee/0x170 [ 6962.149832][ T10] __sys_sendmsg+0xcd/0x170 [ 6962.149832][ T10] do_syscall_64+0xc6/0x1e0 [ 6962.149832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6962.149832][ T10] [ 6962.152068][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6962.152068][ T10] netdev_get_by_index+0x5e/0x80 [ 6962.152068][ T10] fib6_nh_init+0x3d8/0x1580 [ 6962.152068][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6962.152068][ T10] ip6_route_add+0x1c/0x140 [ 6962.152068][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6962.152068][ T10] addrconf_add_dev+0xe2/0x170 [ 6962.152068][ T10] inet6_addr_add+0x12f/0xa40 [ 6962.152068][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6962.152068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6962.152068][ T10] netlink_rcv_skb+0x130/0x360 [ 6962.152068][ T10] netlink_unicast+0x449/0x710 [ 6962.152068][ T10] netlink_sendmsg+0x723/0xbe0 [ 6962.152068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6962.152068][ T10] ___sys_sendmsg+0xee/0x170 [ 6962.152068][ T10] __sys_sendmsg+0xcd/0x170 [ 6962.152068][ T10] do_syscall_64+0xc6/0x1e0 [ 6962.152068][ T10] [ 6962.154257][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6962.154257][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6962.154257][ T10] ipv6_find_idev+0x102/0x170 [ 6962.154257][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6962.154257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6962.154257][ T10] netlink_rcv_skb+0x130/0x360 [ 6962.154257][ T10] netlink_unicast+0x449/0x710 [ 6962.154257][ T10] netlink_sendmsg+0x723/0xbe0 [ 6962.154257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6962.154257][ T10] ___sys_sendmsg+0xee/0x170 [ 6962.154257][ T10] __sys_sendmsg+0xcd/0x170 [ 6962.154257][ T10] do_syscall_64+0xc6/0x1e0 [ 6962.154257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6962.154257][ T10] [ 6962.155955][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6962.155955][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6962.155955][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6962.155955][ T10] ipv6_find_idev+0x102/0x170 [ 6962.155955][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6962.155955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6962.155955][ T10] netlink_rcv_skb+0x130/0x360 [ 6962.155955][ T10] netlink_unicast+0x449/0x710 [ 6962.155955][ T10] netlink_sendmsg+0x723/0xbe0 [ 6962.155955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6962.155955][ T10] ___sys_sendmsg+0xee/0x170 [ 6962.155955][ T10] __sys_sendmsg+0xcd/0x170 [ 6962.155955][ T10] do_syscall_64+0xc6/0x1e0 [ 6962.155955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6962.155955][ T10] [ 6962.157822][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6962.158094][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6962.158094][ T10] netdev_get_by_index+0x5e/0x80 [ 6962.158094][ T10] fib6_nh_init+0x3d8/0x1580 [ 6962.158094][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6962.158094][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6962.158094][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6962.158094][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6962.158094][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6962.158094][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6962.158094][ T10] addrconf_dad_begin+0x310/0x670 [ 6962.158094][ T10] addrconf_dad_work+0x10b/0xab0 [ 6962.158094][ T10] process_one_work+0x84d/0x18a0 [ 6962.158094][ T10] worker_thread+0x587/0xd30 [ 6962.158094][ T10] kthread+0x28a/0x350 [ 6962.158094][ T10] ret_from_fork+0x31/0x70 [ 6962.158094][ T10] ret_from_fork_asm+0x1a/0x30 [ 6962.158094][ T10] [ 6962.160250][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6962.160250][ T10] netdev_get_by_index+0x5e/0x80 [ 6962.160250][ T10] fib6_nh_init+0x3d8/0x1580 [ 6962.160250][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6962.160250][ T10] ip6_route_add+0x1c/0x140 [ 6962.160250][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6962.160250][ T10] inet6_addr_add+0x4f8/0xa40 [ 6962.160250][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6962.160250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6962.160250][ T10] netlink_rcv_skb+0x130/0x360 [ 6962.160250][ T10] netlink_unicast+0x449/0x710 [ 6962.160250][ T10] netlink_sendmsg+0x723/0xbe0 [ 6962.160250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6962.160250][ T10] ___sys_sendmsg+0xee/0x170 [ 6962.160250][ T10] __sys_sendmsg+0xcd/0x170 [ 6962.160250][ T10] do_syscall_64+0xc6/0x1e0 [ 6962.160250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6962.160250][ T10] [ 6962.162470][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6962.162470][ T10] netdev_get_by_index+0x5e/0x80 [ 6962.162470][ T10] fib6_nh_init+0x3d8/0x1580 [ 6962.162470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6962.162470][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6962.162470][ T10] ipv6_add_addr+0x411/0x2000 [ 6962.162470][ T10] inet6_addr_add+0x30e/0xa40 [ 6962.162470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6962.162470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6962.162470][ T10] netlink_rcv_skb+0x130/0x360 [ 6962.162470][ T10] netlink_unicast+0x449/0x710 [ 6962.162470][ T10] netlink_sendmsg+0x723/0xbe0 [ 6962.162470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6962.162470][ T10] ___sys_sendmsg+0xee/0x170 [ 6962.162470][ T10] __sys_sendmsg+0xcd/0x170 [ 6962.162470][ T10] do_syscall_64+0xc6/0x1e0 [ 6962.162470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6962.162470][ T10] [ 6962.164696][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6962.164696][ T10] netdev_get_by_index+0x5e/0x80 [ 6962.164696][ T10] fib6_nh_init+0x3d8/0x1580 [ 6962.164696][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6962.164696][ T10] ip6_route_add+0x1c/0x140 [ 6962.164696][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6962.164696][ T10] addrconf_add_dev+0xe2/0x170 [ 6962.164696][ T10] inet6_addr_add+0x12f/0xa40 [ 6962.164696][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6962.164696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6962.164696][ T10] netlink_rcv_skb+0x130/0x360 [ 6962.164696][ T10] netlink_unicast+0x449/0x710 [ 6962.164696][ T10] netlink_sendmsg+0x723/0xbe0 [ 6962.164696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6962.164696][ T10] ___sys_sendmsg+0xee/0x170 [ 6962.164696][ T10] __sys_sendmsg+0xcd/0x170 [ 6962.164696][ T10] do_syscall_64+0xc6/0x1e0 [ 6962.164696][ T10] [ 6962.166869][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6962.166869][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6962.166869][ T10] ipv6_find_idev+0x102/0x170 [ 6962.166869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6962.166869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6962.166869][ T10] netlink_rcv_skb+0x130/0x360 [ 6962.166869][ T10] netlink_unicast+0x449/0x710 [ 6962.166869][ T10] netlink_sendmsg+0x723/0xbe0 [ 6962.166869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6962.166869][ T10] ___sys_sendmsg+0xee/0x170 [ 6962.166869][ T10] __sys_sendmsg+0xcd/0x170 [ 6962.166869][ T10] do_syscall_64+0xc6/0x1e0 [ 6962.166869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6962.166869][ T10] [ 6962.168561][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6962.168561][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6962.168561][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6962.168561][ T10] ipv6_find_idev+0x102/0x170 [ 6962.168561][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6962.168561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6962.168561][ T10] netlink_rcv_skb+0x130/0x360 [ 6962.168561][ T10] netlink_unicast+0x449/0x710 [ 6962.168561][ T10] netlink_sendmsg+0x723/0xbe0 [ 6962.168561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6962.168561][ T10] ___sys_sendmsg+0xee/0x170 [ 6962.168561][ T10] __sys_sendmsg+0xcd/0x170 [ 6962.168561][ T10] do_syscall_64+0xc6/0x1e0 [ 6962.168561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6962.168561][ T10] [ 6962.170417][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6962.170692][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6962.170692][ T10] netdev_get_by_index+0x5e/0x80 [ 6962.170692][ T10] fib6_nh_init+0x3d8/0x1580 [ 6962.170692][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6962.170692][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6962.170692][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6962.170692][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6962.170692][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6962.170692][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6962.170692][ T10] addrconf_dad_begin+0x310/0x670 [ 6962.170692][ T10] addrconf_dad_work+0x10b/0xab0 [ 6962.170692][ T10] process_one_work+0x84d/0x18a0 [ 6962.170692][ T10] worker_thread+0x587/0xd30 [ 6962.170692][ T10] kthread+0x28a/0x350 [ 6962.170692][ T10] ret_from_fork+0x31/0x70 [ 6962.170692][ T10] ret_from_fork_asm+0x1a/0x30 [ 6962.170692][ T10] [ 6962.172805][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6962.172805][ T10] netdev_get_by_index+0x5e/0x80 [ 6962.172805][ T10] fib6_nh_init+0x3d8/0x1580 [ 6962.172805][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6962.172805][ T10] ip6_route_add+0x1c/0x140 [ 6962.172805][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6962.172805][ T10] inet6_addr_add+0x4f8/0xa40 [ 6962.172805][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6962.172805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6962.172805][ T10] netlink_rcv_skb+0x130/0x360 [ 6962.172805][ T10] netlink_unicast+0x449/0x710 [ 6962.172805][ T10] netlink_sendmsg+0x723/0xbe0 [ 6962.172805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6962.172805][ T10] ___sys_sendmsg+0xee/0x170 [ 6962.172805][ T10] __sys_sendmsg+0xcd/0x170 [ 6962.172805][ T10] do_syscall_64+0xc6/0x1e0 [ 6962.172805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6962.172805][ T10] [ 6962.175194][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6962.175194][ T10] netdev_get_by_index+0x5e/0x80 [ 6962.175194][ T10] fib6_nh_init+0x3d8/0x1580 [ 6962.175194][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6962.175194][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6962.175194][ T10] ipv6_add_addr+0x411/0x2000 [ 6962.175194][ T10] inet6_addr_add+0x30e/0xa40 [ 6962.175194][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6962.175194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6962.175194][ T10] netlink_rcv_skb+0x130/0x360 [ 6962.175194][ T10] netlink_unicast+0x449/0x710 [ 6962.175194][ T10] netlink_sendmsg+0x723/0xbe0 [ 6962.175194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6962.175194][ T10] ___sys_sendmsg+0xee/0x170 [ 6962.175194][ T10] __sys_sendmsg+0xcd/0x170 [ 6962.175194][ T10] do_syscall_64+0xc6/0x1e0 [ 6962.175194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6962.175194][ T10] [ 6962.177646][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6962.177646][ T10] netdev_get_by_index+0x5e/0x80 [ 6962.177646][ T10] fib6_nh_init+0x3d8/0x1580 [ 6962.177646][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6962.177646][ T10] ip6_route_add+0x1c/0x140 [ 6962.177646][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6962.177646][ T10] addrconf_add_dev+0xe2/0x170 [ 6962.177646][ T10] inet6_addr_add+0x12f/0xa40 [ 6962.177646][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6962.177646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6962.177646][ T10] netlink_rcv_skb+0x130/0x360 [ 6962.177646][ T10] netlink_unicast+0x449/0x710 [ 6962.177646][ T10] netlink_sendmsg+0x723/0xbe0 [ 6962.177646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6962.177646][ T10] ___sys_sendmsg+0xee/0x170 [ 6962.177646][ T10] __sys_sendmsg+0xcd/0x170 [ 6962.177646][ T10] do_syscall_64+0xc6/0x1e0 [ 6962.177646][ T10] [ 6962.180121][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6962.180121][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6962.180121][ T10] ipv6_find_idev+0x102/0x170 [ 6962.180121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6962.180121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6962.180121][ T10] netlink_rcv_skb+0x130/0x360 [ 6962.180121][ T10] netlink_unicast+0x449/0x710 [ 6962.180121][ T10] netlink_sendmsg+0x723/0xbe0 [ 6962.180121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6962.180121][ T10] ___sys_sendmsg+0xee/0x170 [ 6962.180121][ T10] __sys_sendmsg+0xcd/0x170 [ 6962.180121][ T10] do_syscall_64+0xc6/0x1e0 [ 6962.180121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6962.180121][ T10] [ 6962.182006][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6962.182006][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6962.182006][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6962.182006][ T10] ipv6_find_idev+0x102/0x170 [ 6962.182006][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6962.182006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6962.182006][ T10] netlink_rcv_skb+0x130/0x360 [ 6962.182006][ T10] netlink_unicast+0x449/0x710 [ 6962.182006][ T10] netlink_sendmsg+0x723/0xbe0 [ 6962.182006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6962.182006][ T10] ___sys_sendmsg+0xee/0x170 [ 6962.182006][ T10] __sys_sendmsg+0xcd/0x170 [ 6962.182006][ T10] do_syscall_64+0xc6/0x1e0 [ 6962.182006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6962.182006][ T10] [ 6962.184047][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6962.184364][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6962.184364][ T10] netdev_get_by_index+0x5e/0x80 [ 6962.184364][ T10] fib6_nh_init+0x3d8/0x1580 [ 6962.184364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6962.184364][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6962.184364][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6962.184364][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6962.184364][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6962.184364][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6962.184364][ T10] addrconf_dad_begin+0x310/0x670 [ 6962.184364][ T10] addrconf_dad_work+0x10b/0xab0 [ 6962.184364][ T10] process_one_work+0x84d/0x18a0 [ 6962.184364][ T10] worker_thread+0x587/0xd30 [ 6962.184364][ T10] kthread+0x28a/0x350 [ 6962.184364][ T10] ret_from_fork+0x31/0x70 [ 6962.184364][ T10] ret_from_fork_asm+0x1a/0x30 [ 6962.184364][ T10] [ 6962.186594][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6962.186594][ T10] netdev_get_by_index+0x5e/0x80 [ 6962.186594][ T10] fib6_nh_init+0x3d8/0x1580 [ 6962.186594][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6962.186594][ T10] ip6_route_add+0x1c/0x140 [ 6962.186594][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6962.186594][ T10] inet6_addr_add+0x4f8/0xa40 [ 6962.186594][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6962.186594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6962.186594][ T10] netlink_rcv_skb+0x130/0x360 [ 6962.186594][ T10] netlink_unicast+0x449/0x710 [ 6962.186594][ T10] netlink_sendmsg+0x723/0xbe0 [ 6962.186594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6962.186594][ T10] ___sys_sendmsg+0xee/0x170 [ 6962.186594][ T10] __sys_sendmsg+0xcd/0x170 [ 6962.186594][ T10] do_syscall_64+0xc6/0x1e0 [ 6962.186594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6962.186594][ T10] [ 6962.189109][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6962.189109][ T10] netdev_get_by_index+0x5e/0x80 [ 6962.189109][ T10] fib6_nh_init+0x3d8/0x1580 [ 6962.189109][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6962.189109][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6962.189109][ T10] ipv6_add_addr+0x411/0x2000 [ 6962.189109][ T10] inet6_addr_add+0x30e/0xa40 [ 6962.189109][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6962.189109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6962.189109][ T10] netlink_rcv_skb+0x130/0x360 [ 6962.189109][ T10] netlink_unicast+0x449/0x710 [ 6962.189109][ T10] netlink_sendmsg+0x723/0xbe0 [ 6962.189109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6962.189109][ T10] ___sys_sendmsg+0xee/0x170 [ 6962.189109][ T10] __sys_sendmsg+0xcd/0x170 [ 6962.189109][ T10] do_syscall_64+0xc6/0x1e0 [ 6962.189109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6962.189109][ T10] [ 6962.191552][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6962.191552][ T10] netdev_get_by_index+0x5e/0x80 [ 6962.191552][ T10] fib6_nh_init+0x3d8/0x1580 [ 6962.191552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6962.191552][ T10] ip6_route_add+0x1c/0x140 [ 6962.191552][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6962.191552][ T10] addrconf_add_dev+0xe2/0x170 [ 6962.191552][ T10] inet6_addr_add+0x12f/0xa40 [ 6962.191552][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6962.191552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6962.191552][ T10] netlink_rcv_skb+0x130/0x360 [ 6962.191552][ T10] netlink_unicast+0x449/0x710 [ 6962.191552][ T10] netlink_sendmsg+0x723/0xbe0 [ 6962.191552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6962.191552][ T10] ___sys_sendmsg+0xee/0x170 [ 6962.191552][ T10] __sys_sendmsg+0xcd/0x170 [ 6962.191552][ T10] do_syscall_64+0xc6/0x1e0 [ 6962.191552][ T10] [ 6962.193976][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6962.193976][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6962.193976][ T10] ipv6_find_idev+0x102/0x170 [ 6962.193976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6962.193976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6962.193976][ T10] netlink_rcv_skb+0x130/0x360 [ 6962.193976][ T10] netlink_unicast+0x449/0x710 [ 6962.193976][ T10] netlink_sendmsg+0x723/0xbe0 [ 6962.193976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6962.193976][ T10] ___sys_sendmsg+0xee/0x170 [ 6962.193976][ T10] __sys_sendmsg+0xcd/0x170 [ 6962.193976][ T10] do_syscall_64+0xc6/0x1e0 [ 6962.193976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6962.193976][ T10] [ 6962.195867][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6962.195867][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6962.195867][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6962.195867][ T10] ipv6_find_idev+0x102/0x170 [ 6962.195867][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6962.195867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6962.195867][ T10] netlink_rcv_skb+0x130/0x360 [ 6962.195867][ T10] netlink_unicast+0x449/0x710 [ 6962.195867][ T10] netlink_sendmsg+0x723/0xbe0 [ 6962.195867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6962.195867][ T10] ___sys_sendmsg+0xee/0x170 [ 6962.195867][ T10] __sys_sendmsg+0xcd/0x170 [ 6962.195867][ T10] do_syscall_64+0xc6/0x1e0 [ 6962.195867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6962.195867][ T10] [ 6968.505109][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6968.505581][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6968.505581][ T1167] dst_init+0x84/0x4a0 [ 6968.505581][ T1167] dst_alloc+0x97/0x150 [ 6968.505581][ T1167] ip6_dst_alloc+0x23/0x90 [ 6968.505581][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6968.505581][ T1167] ip6_pol_route+0x56f/0x840 [ 6968.505581][ T1167] fib6_rule_lookup+0x334/0x630 [ 6968.505581][ T1167] ip6_route_output_flags+0x259/0x480 [ 6968.505581][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6968.505581][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6968.505581][ T1167] netlink_rcv_skb+0x130/0x360 [ 6968.505581][ T1167] netlink_unicast+0x449/0x710 [ 6968.505581][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6968.505581][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6968.505581][ T1167] ___sys_sendmsg+0xee/0x170 [ 6968.505581][ T1167] __sys_sendmsg+0xcd/0x170 [ 6968.505581][ T1167] do_syscall_64+0xc6/0x1e0 [ 6968.505581][ T1167] [ 6968.507992][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6968.507992][ T1167] netdev_get_by_index+0x5e/0x80 [ 6968.507992][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6968.507992][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6968.507992][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6968.507992][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6968.507992][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6968.507992][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6968.507992][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6968.507992][ T1167] addrconf_dad_begin+0x310/0x670 [ 6968.507992][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6968.507992][ T1167] process_one_work+0x84d/0x18a0 [ 6968.507992][ T1167] worker_thread+0x587/0xd30 [ 6968.507992][ T1167] kthread+0x28a/0x350 [ 6968.507992][ T1167] ret_from_fork+0x31/0x70 [ 6968.507992][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6968.507992][ T1167] [ 6968.510363][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6968.510363][ T1167] netdev_get_by_index+0x5e/0x80 [ 6968.510363][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6968.510363][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6968.510363][ T1167] ip6_route_add+0x1c/0x140 [ 6968.510363][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6968.510363][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6968.510363][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6968.510363][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6968.510363][ T1167] netlink_rcv_skb+0x130/0x360 [ 6968.510363][ T1167] netlink_unicast+0x449/0x710 [ 6968.510363][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6968.510363][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6968.510363][ T1167] ___sys_sendmsg+0xee/0x170 [ 6968.510363][ T1167] __sys_sendmsg+0xcd/0x170 [ 6968.510363][ T1167] do_syscall_64+0xc6/0x1e0 [ 6968.510363][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6968.510363][ T1167] [ 6968.512837][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6968.512837][ T1167] netdev_get_by_index+0x5e/0x80 [ 6968.512837][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6968.512837][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6968.512837][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6968.512837][ T1167] ipv6_add_addr+0x411/0x2000 [ 6968.512837][ T1167] inet6_addr_add+0x30e/0xa40 [ 6968.512837][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6968.512837][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6968.512837][ T1167] netlink_rcv_skb+0x130/0x360 [ 6968.512837][ T1167] netlink_unicast+0x449/0x710 [ 6968.512837][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6968.512837][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6968.512837][ T1167] ___sys_sendmsg+0xee/0x170 [ 6968.512837][ T1167] __sys_sendmsg+0xcd/0x170 [ 6968.512837][ T1167] do_syscall_64+0xc6/0x1e0 [ 6968.512837][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6968.512837][ T1167] [ 6968.515313][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6968.515313][ T1167] netdev_get_by_index+0x5e/0x80 [ 6968.515313][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6968.515313][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6968.515313][ T1167] ip6_route_add+0x1c/0x140 [ 6968.515313][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6968.515313][ T1167] addrconf_add_dev+0xe2/0x170 [ 6968.515313][ T1167] inet6_addr_add+0x12f/0xa40 [ 6968.515313][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6968.515313][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6968.515313][ T1167] netlink_rcv_skb+0x130/0x360 [ 6968.515313][ T1167] netlink_unicast+0x449/0x710 [ 6968.515313][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6968.515313][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6968.515313][ T1167] ___sys_sendmsg+0xee/0x170 [ 6968.515313][ T1167] __sys_sendmsg+0xcd/0x170 [ 6968.515313][ T1167] do_syscall_64+0xc6/0x1e0 [ 6968.515313][ T1167] [ 6968.517743][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6968.517743][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6968.517743][ T1167] ipv6_find_idev+0x102/0x170 [ 6968.517743][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6968.517743][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6968.517743][ T1167] netlink_rcv_skb+0x130/0x360 [ 6968.517743][ T1167] netlink_unicast+0x449/0x710 [ 6968.517743][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6968.517743][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6968.517743][ T1167] ___sys_sendmsg+0xee/0x170 [ 6968.517743][ T1167] __sys_sendmsg+0xcd/0x170 [ 6968.517743][ T1167] do_syscall_64+0xc6/0x1e0 [ 6968.517743][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6968.517743][ T1167] [ 6968.519652][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6968.519652][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6968.519652][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6968.519652][ T1167] ipv6_find_idev+0x102/0x170 [ 6968.519652][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6968.519652][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6968.519652][ T1167] netlink_rcv_skb+0x130/0x360 [ 6968.519652][ T1167] netlink_unicast+0x449/0x710 [ 6968.519652][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6968.519652][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6968.519652][ T1167] ___sys_sendmsg+0xee/0x170 [ 6968.519652][ T1167] __sys_sendmsg+0xcd/0x170 [ 6968.519652][ T1167] do_syscall_64+0xc6/0x1e0 [ 6968.519652][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6968.519652][ T1167] [ 6972.441120][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6972.441486][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6972.441486][ T10] netdev_get_by_index+0x5e/0x80 [ 6972.441486][ T10] fib6_nh_init+0x3d8/0x1580 [ 6972.441486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6972.441486][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6972.441486][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6972.441486][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6972.441486][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6972.441486][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6972.441486][ T10] addrconf_dad_begin+0x310/0x670 [ 6972.441486][ T10] addrconf_dad_work+0x10b/0xab0 [ 6972.441486][ T10] process_one_work+0x84d/0x18a0 [ 6972.441486][ T10] worker_thread+0x587/0xd30 [ 6972.441486][ T10] kthread+0x28a/0x350 [ 6972.441486][ T10] ret_from_fork+0x31/0x70 [ 6972.441486][ T10] ret_from_fork_asm+0x1a/0x30 [ 6972.441486][ T10] [ 6972.443624][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6972.443624][ T10] netdev_get_by_index+0x5e/0x80 [ 6972.443624][ T10] fib6_nh_init+0x3d8/0x1580 [ 6972.443624][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6972.443624][ T10] ip6_route_add+0x1c/0x140 [ 6972.443624][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6972.443624][ T10] inet6_addr_add+0x4f8/0xa40 [ 6972.443624][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6972.443624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6972.443624][ T10] netlink_rcv_skb+0x130/0x360 [ 6972.443624][ T10] netlink_unicast+0x449/0x710 [ 6972.443624][ T10] netlink_sendmsg+0x723/0xbe0 [ 6972.443624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6972.443624][ T10] ___sys_sendmsg+0xee/0x170 [ 6972.443624][ T10] __sys_sendmsg+0xcd/0x170 [ 6972.443624][ T10] do_syscall_64+0xc6/0x1e0 [ 6972.443624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6972.443624][ T10] [ 6972.445843][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6972.445843][ T10] netdev_get_by_index+0x5e/0x80 [ 6972.445843][ T10] fib6_nh_init+0x3d8/0x1580 [ 6972.445843][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6972.445843][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6972.445843][ T10] ipv6_add_addr+0x411/0x2000 [ 6972.445843][ T10] inet6_addr_add+0x30e/0xa40 [ 6972.445843][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6972.445843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6972.445843][ T10] netlink_rcv_skb+0x130/0x360 [ 6972.445843][ T10] netlink_unicast+0x449/0x710 [ 6972.445843][ T10] netlink_sendmsg+0x723/0xbe0 [ 6972.445843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6972.445843][ T10] ___sys_sendmsg+0xee/0x170 [ 6972.445843][ T10] __sys_sendmsg+0xcd/0x170 [ 6972.445843][ T10] do_syscall_64+0xc6/0x1e0 [ 6972.445843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6972.445843][ T10] [ 6972.448056][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6972.448056][ T10] netdev_get_by_index+0x5e/0x80 [ 6972.448056][ T10] fib6_nh_init+0x3d8/0x1580 [ 6972.448056][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6972.448056][ T10] ip6_route_add+0x1c/0x140 [ 6972.448056][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6972.448056][ T10] addrconf_add_dev+0xe2/0x170 [ 6972.448056][ T10] inet6_addr_add+0x12f/0xa40 [ 6972.448056][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6972.448056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6972.448056][ T10] netlink_rcv_skb+0x130/0x360 [ 6972.448056][ T10] netlink_unicast+0x449/0x710 [ 6972.448056][ T10] netlink_sendmsg+0x723/0xbe0 [ 6972.448056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6972.448056][ T10] ___sys_sendmsg+0xee/0x170 [ 6972.448056][ T10] __sys_sendmsg+0xcd/0x170 [ 6972.448056][ T10] do_syscall_64+0xc6/0x1e0 [ 6972.448056][ T10] [ 6972.450222][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6972.450222][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6972.450222][ T10] ipv6_find_idev+0x102/0x170 [ 6972.450222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6972.450222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6972.450222][ T10] netlink_rcv_skb+0x130/0x360 [ 6972.450222][ T10] netlink_unicast+0x449/0x710 [ 6972.450222][ T10] netlink_sendmsg+0x723/0xbe0 [ 6972.450222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6972.450222][ T10] ___sys_sendmsg+0xee/0x170 [ 6972.450222][ T10] __sys_sendmsg+0xcd/0x170 [ 6972.450222][ T10] do_syscall_64+0xc6/0x1e0 [ 6972.450222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6972.450222][ T10] [ 6972.451934][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6972.451934][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6972.451934][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6972.451934][ T10] ipv6_find_idev+0x102/0x170 [ 6972.451934][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6972.451934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6972.451934][ T10] netlink_rcv_skb+0x130/0x360 [ 6972.451934][ T10] netlink_unicast+0x449/0x710 [ 6972.451934][ T10] netlink_sendmsg+0x723/0xbe0 [ 6972.451934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6972.451934][ T10] ___sys_sendmsg+0xee/0x170 [ 6972.451934][ T10] __sys_sendmsg+0xcd/0x170 [ 6972.451934][ T10] do_syscall_64+0xc6/0x1e0 [ 6972.451934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6972.451934][ T10] [ 6972.453791][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6972.454064][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6972.454064][ T10] netdev_get_by_index+0x5e/0x80 [ 6972.454064][ T10] fib6_nh_init+0x3d8/0x1580 [ 6972.454064][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6972.454064][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6972.454064][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6972.454064][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6972.454064][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6972.454064][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6972.454064][ T10] addrconf_dad_begin+0x310/0x670 [ 6972.454064][ T10] addrconf_dad_work+0x10b/0xab0 [ 6972.454064][ T10] process_one_work+0x84d/0x18a0 [ 6972.454064][ T10] worker_thread+0x587/0xd30 [ 6972.454064][ T10] kthread+0x28a/0x350 [ 6972.454064][ T10] ret_from_fork+0x31/0x70 [ 6972.454064][ T10] ret_from_fork_asm+0x1a/0x30 [ 6972.454064][ T10] [ 6972.456187][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6972.456187][ T10] netdev_get_by_index+0x5e/0x80 [ 6972.456187][ T10] fib6_nh_init+0x3d8/0x1580 [ 6972.456187][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6972.456187][ T10] ip6_route_add+0x1c/0x140 [ 6972.456187][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6972.456187][ T10] inet6_addr_add+0x4f8/0xa40 [ 6972.456187][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6972.456187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6972.456187][ T10] netlink_rcv_skb+0x130/0x360 [ 6972.456187][ T10] netlink_unicast+0x449/0x710 [ 6972.456187][ T10] netlink_sendmsg+0x723/0xbe0 [ 6972.456187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6972.456187][ T10] ___sys_sendmsg+0xee/0x170 [ 6972.456187][ T10] __sys_sendmsg+0xcd/0x170 [ 6972.456187][ T10] do_syscall_64+0xc6/0x1e0 [ 6972.456187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6972.456187][ T10] [ 6972.458941][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6972.458941][ T10] netdev_get_by_index+0x5e/0x80 [ 6972.458941][ T10] fib6_nh_init+0x3d8/0x1580 [ 6972.458941][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6972.458941][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6972.458941][ T10] ipv6_add_addr+0x411/0x2000 [ 6972.458941][ T10] inet6_addr_add+0x30e/0xa40 [ 6972.458941][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6972.458941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6972.458941][ T10] netlink_rcv_skb+0x130/0x360 [ 6972.458941][ T10] netlink_unicast+0x449/0x710 [ 6972.458941][ T10] netlink_sendmsg+0x723/0xbe0 [ 6972.458941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6972.458941][ T10] ___sys_sendmsg+0xee/0x170 [ 6972.458941][ T10] __sys_sendmsg+0xcd/0x170 [ 6972.458941][ T10] do_syscall_64+0xc6/0x1e0 [ 6972.458941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6972.458941][ T10] [ 6972.461155][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6972.461155][ T10] netdev_get_by_index+0x5e/0x80 [ 6972.461155][ T10] fib6_nh_init+0x3d8/0x1580 [ 6972.461155][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6972.461155][ T10] ip6_route_add+0x1c/0x140 [ 6972.461155][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6972.461155][ T10] addrconf_add_dev+0xe2/0x170 [ 6972.461155][ T10] inet6_addr_add+0x12f/0xa40 [ 6972.461155][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6972.461155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6972.461155][ T10] netlink_rcv_skb+0x130/0x360 [ 6972.461155][ T10] netlink_unicast+0x449/0x710 [ 6972.461155][ T10] netlink_sendmsg+0x723/0xbe0 [ 6972.461155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6972.461155][ T10] ___sys_sendmsg+0xee/0x170 [ 6972.461155][ T10] __sys_sendmsg+0xcd/0x170 [ 6972.461155][ T10] do_syscall_64+0xc6/0x1e0 [ 6972.461155][ T10] [ 6972.463345][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6972.463345][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6972.463345][ T10] ipv6_find_idev+0x102/0x170 [ 6972.463345][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6972.463345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6972.463345][ T10] netlink_rcv_skb+0x130/0x360 [ 6972.463345][ T10] netlink_unicast+0x449/0x710 [ 6972.463345][ T10] netlink_sendmsg+0x723/0xbe0 [ 6972.463345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6972.463345][ T10] ___sys_sendmsg+0xee/0x170 [ 6972.463345][ T10] __sys_sendmsg+0xcd/0x170 [ 6972.463345][ T10] do_syscall_64+0xc6/0x1e0 [ 6972.463345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6972.463345][ T10] [ 6972.465056][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6972.465056][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6972.465056][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6972.465056][ T10] ipv6_find_idev+0x102/0x170 [ 6972.465056][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6972.465056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6972.465056][ T10] netlink_rcv_skb+0x130/0x360 [ 6972.465056][ T10] netlink_unicast+0x449/0x710 [ 6972.465056][ T10] netlink_sendmsg+0x723/0xbe0 [ 6972.465056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6972.465056][ T10] ___sys_sendmsg+0xee/0x170 [ 6972.465056][ T10] __sys_sendmsg+0xcd/0x170 [ 6972.465056][ T10] do_syscall_64+0xc6/0x1e0 [ 6972.465056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6972.465056][ T10] [ 6972.466935][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6972.467200][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6972.467200][ T10] netdev_get_by_index+0x5e/0x80 [ 6972.467200][ T10] fib6_nh_init+0x3d8/0x1580 [ 6972.467200][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6972.467200][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6972.467200][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6972.467200][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6972.467200][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6972.467200][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6972.467200][ T10] addrconf_dad_begin+0x310/0x670 [ 6972.467200][ T10] addrconf_dad_work+0x10b/0xab0 [ 6972.467200][ T10] process_one_work+0x84d/0x18a0 [ 6972.467200][ T10] worker_thread+0x587/0xd30 [ 6972.467200][ T10] kthread+0x28a/0x350 [ 6972.467200][ T10] ret_from_fork+0x31/0x70 [ 6972.467200][ T10] ret_from_fork_asm+0x1a/0x30 [ 6972.467200][ T10] [ 6972.469306][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6972.469306][ T10] netdev_get_by_index+0x5e/0x80 [ 6972.469306][ T10] fib6_nh_init+0x3d8/0x1580 [ 6972.469306][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6972.469306][ T10] ip6_route_add+0x1c/0x140 [ 6972.469306][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6972.469306][ T10] inet6_addr_add+0x4f8/0xa40 [ 6972.469306][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6972.469306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6972.469306][ T10] netlink_rcv_skb+0x130/0x360 [ 6972.469306][ T10] netlink_unicast+0x449/0x710 [ 6972.469306][ T10] netlink_sendmsg+0x723/0xbe0 [ 6972.469306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6972.469306][ T10] ___sys_sendmsg+0xee/0x170 [ 6972.469306][ T10] __sys_sendmsg+0xcd/0x170 [ 6972.469306][ T10] do_syscall_64+0xc6/0x1e0 [ 6972.469306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6972.469306][ T10] [ 6972.471723][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6972.471723][ T10] netdev_get_by_index+0x5e/0x80 [ 6972.471723][ T10] fib6_nh_init+0x3d8/0x1580 [ 6972.471723][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6972.471723][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6972.471723][ T10] ipv6_add_addr+0x411/0x2000 [ 6972.471723][ T10] inet6_addr_add+0x30e/0xa40 [ 6972.471723][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6972.471723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6972.471723][ T10] netlink_rcv_skb+0x130/0x360 [ 6972.471723][ T10] netlink_unicast+0x449/0x710 [ 6972.471723][ T10] netlink_sendmsg+0x723/0xbe0 [ 6972.471723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6972.471723][ T10] ___sys_sendmsg+0xee/0x170 [ 6972.471723][ T10] __sys_sendmsg+0xcd/0x170 [ 6972.471723][ T10] do_syscall_64+0xc6/0x1e0 [ 6972.471723][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6972.471723][ T10] [ 6972.474250][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6972.474250][ T10] netdev_get_by_index+0x5e/0x80 [ 6972.474250][ T10] fib6_nh_init+0x3d8/0x1580 [ 6972.474250][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6972.474250][ T10] ip6_route_add+0x1c/0x140 [ 6972.474250][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6972.474250][ T10] addrconf_add_dev+0xe2/0x170 [ 6972.474250][ T10] inet6_addr_add+0x12f/0xa40 [ 6972.474250][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6972.474250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6972.474250][ T10] netlink_rcv_skb+0x130/0x360 [ 6972.474250][ T10] netlink_unicast+0x449/0x710 [ 6972.474250][ T10] netlink_sendmsg+0x723/0xbe0 [ 6972.474250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6972.474250][ T10] ___sys_sendmsg+0xee/0x170 [ 6972.474250][ T10] __sys_sendmsg+0xcd/0x170 [ 6972.474250][ T10] do_syscall_64+0xc6/0x1e0 [ 6972.474250][ T10] [ 6972.476689][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6972.476689][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6972.476689][ T10] ipv6_find_idev+0x102/0x170 [ 6972.476689][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6972.476689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6972.476689][ T10] netlink_rcv_skb+0x130/0x360 [ 6972.476689][ T10] netlink_unicast+0x449/0x710 [ 6972.476689][ T10] netlink_sendmsg+0x723/0xbe0 [ 6972.476689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6972.476689][ T10] ___sys_sendmsg+0xee/0x170 [ 6972.476689][ T10] __sys_sendmsg+0xcd/0x170 [ 6972.476689][ T10] do_syscall_64+0xc6/0x1e0 [ 6972.476689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6972.476689][ T10] [ 6972.478574][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6972.478574][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6972.478574][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6972.478574][ T10] ipv6_find_idev+0x102/0x170 [ 6972.478574][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6972.478574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6972.478574][ T10] netlink_rcv_skb+0x130/0x360 [ 6972.478574][ T10] netlink_unicast+0x449/0x710 [ 6972.478574][ T10] netlink_sendmsg+0x723/0xbe0 [ 6972.478574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6972.478574][ T10] ___sys_sendmsg+0xee/0x170 [ 6972.478574][ T10] __sys_sendmsg+0xcd/0x170 [ 6972.478574][ T10] do_syscall_64+0xc6/0x1e0 [ 6972.478574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6972.478574][ T10] [ 6972.480615][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6972.480933][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6972.480933][ T10] netdev_get_by_index+0x5e/0x80 [ 6972.480933][ T10] fib6_nh_init+0x3d8/0x1580 [ 6972.480933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6972.480933][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6972.480933][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6972.480933][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6972.480933][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6972.480933][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6972.480933][ T10] addrconf_dad_begin+0x310/0x670 [ 6972.480933][ T10] addrconf_dad_work+0x10b/0xab0 [ 6972.480933][ T10] process_one_work+0x84d/0x18a0 [ 6972.480933][ T10] worker_thread+0x587/0xd30 [ 6972.480933][ T10] kthread+0x28a/0x350 [ 6972.480933][ T10] ret_from_fork+0x31/0x70 [ 6972.480933][ T10] ret_from_fork_asm+0x1a/0x30 [ 6972.480933][ T10] [ 6972.483234][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6972.483234][ T10] netdev_get_by_index+0x5e/0x80 [ 6972.483234][ T10] fib6_nh_init+0x3d8/0x1580 [ 6972.483234][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6972.483234][ T10] ip6_route_add+0x1c/0x140 [ 6972.483234][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6972.483234][ T10] inet6_addr_add+0x4f8/0xa40 [ 6972.483234][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6972.483234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6972.483234][ T10] netlink_rcv_skb+0x130/0x360 [ 6972.483234][ T10] netlink_unicast+0x449/0x710 [ 6972.483234][ T10] netlink_sendmsg+0x723/0xbe0 [ 6972.483234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6972.483234][ T10] ___sys_sendmsg+0xee/0x170 [ 6972.483234][ T10] __sys_sendmsg+0xcd/0x170 [ 6972.483234][ T10] do_syscall_64+0xc6/0x1e0 [ 6972.483234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6972.483234][ T10] [ 6972.485706][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6972.485706][ T10] netdev_get_by_index+0x5e/0x80 [ 6972.485706][ T10] fib6_nh_init+0x3d8/0x1580 [ 6972.485706][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6972.485706][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6972.485706][ T10] ipv6_add_addr+0x411/0x2000 [ 6972.485706][ T10] inet6_addr_add+0x30e/0xa40 [ 6972.485706][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6972.485706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6972.485706][ T10] netlink_rcv_skb+0x130/0x360 [ 6972.485706][ T10] netlink_unicast+0x449/0x710 [ 6972.485706][ T10] netlink_sendmsg+0x723/0xbe0 [ 6972.485706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6972.485706][ T10] ___sys_sendmsg+0xee/0x170 [ 6972.485706][ T10] __sys_sendmsg+0xcd/0x170 [ 6972.485706][ T10] do_syscall_64+0xc6/0x1e0 [ 6972.485706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6972.485706][ T10] [ 6972.488154][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6972.488154][ T10] netdev_get_by_index+0x5e/0x80 [ 6972.488154][ T10] fib6_nh_init+0x3d8/0x1580 [ 6972.488154][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6972.488154][ T10] ip6_route_add+0x1c/0x140 [ 6972.488154][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6972.488154][ T10] addrconf_add_dev+0xe2/0x170 [ 6972.488154][ T10] inet6_addr_add+0x12f/0xa40 [ 6972.488154][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6972.488154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6972.488154][ T10] netlink_rcv_skb+0x130/0x360 [ 6972.488154][ T10] netlink_unicast+0x449/0x710 [ 6972.488154][ T10] netlink_sendmsg+0x723/0xbe0 [ 6972.488154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6972.488154][ T10] ___sys_sendmsg+0xee/0x170 [ 6972.488154][ T10] __sys_sendmsg+0xcd/0x170 [ 6972.488154][ T10] do_syscall_64+0xc6/0x1e0 [ 6972.488154][ T10] [ 6972.490573][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6972.490573][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6972.490573][ T10] ipv6_find_idev+0x102/0x170 [ 6972.490573][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6972.490573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6972.490573][ T10] netlink_rcv_skb+0x130/0x360 [ 6972.490573][ T10] netlink_unicast+0x449/0x710 [ 6972.490573][ T10] netlink_sendmsg+0x723/0xbe0 [ 6972.490573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6972.490573][ T10] ___sys_sendmsg+0xee/0x170 [ 6972.490573][ T10] __sys_sendmsg+0xcd/0x170 [ 6972.490573][ T10] do_syscall_64+0xc6/0x1e0 [ 6972.490573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6972.490573][ T10] [ 6972.492531][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6972.492531][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6972.492531][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6972.492531][ T10] ipv6_find_idev+0x102/0x170 [ 6972.492531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6972.492531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6972.492531][ T10] netlink_rcv_skb+0x130/0x360 [ 6972.492531][ T10] netlink_unicast+0x449/0x710 [ 6972.492531][ T10] netlink_sendmsg+0x723/0xbe0 [ 6972.492531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6972.492531][ T10] ___sys_sendmsg+0xee/0x170 [ 6972.492531][ T10] __sys_sendmsg+0xcd/0x170 [ 6972.492531][ T10] do_syscall_64+0xc6/0x1e0 [ 6972.492531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6972.492531][ T10] [ 6978.761107][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6978.761603][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6978.761603][ T1167] dst_init+0x84/0x4a0 [ 6978.761603][ T1167] dst_alloc+0x97/0x150 [ 6978.761603][ T1167] ip6_dst_alloc+0x23/0x90 [ 6978.761603][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6978.761603][ T1167] ip6_pol_route+0x56f/0x840 [ 6978.761603][ T1167] fib6_rule_lookup+0x334/0x630 [ 6978.761603][ T1167] ip6_route_output_flags+0x259/0x480 [ 6978.761603][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6978.761603][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6978.761603][ T1167] netlink_rcv_skb+0x130/0x360 [ 6978.761603][ T1167] netlink_unicast+0x449/0x710 [ 6978.761603][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6978.761603][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6978.761603][ T1167] ___sys_sendmsg+0xee/0x170 [ 6978.761603][ T1167] __sys_sendmsg+0xcd/0x170 [ 6978.761603][ T1167] do_syscall_64+0xc6/0x1e0 [ 6978.761603][ T1167] [ 6978.764040][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6978.764040][ T1167] netdev_get_by_index+0x5e/0x80 [ 6978.764040][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6978.764040][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6978.764040][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6978.764040][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6978.764040][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6978.764040][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6978.764040][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6978.764040][ T1167] addrconf_dad_begin+0x310/0x670 [ 6978.764040][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6978.764040][ T1167] process_one_work+0x84d/0x18a0 [ 6978.764040][ T1167] worker_thread+0x587/0xd30 [ 6978.764040][ T1167] kthread+0x28a/0x350 [ 6978.764040][ T1167] ret_from_fork+0x31/0x70 [ 6978.764040][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6978.764040][ T1167] [ 6978.766411][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6978.766411][ T1167] netdev_get_by_index+0x5e/0x80 [ 6978.766411][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6978.766411][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6978.766411][ T1167] ip6_route_add+0x1c/0x140 [ 6978.766411][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6978.766411][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6978.766411][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6978.766411][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6978.766411][ T1167] netlink_rcv_skb+0x130/0x360 [ 6978.766411][ T1167] netlink_unicast+0x449/0x710 [ 6978.766411][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6978.766411][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6978.766411][ T1167] ___sys_sendmsg+0xee/0x170 [ 6978.766411][ T1167] __sys_sendmsg+0xcd/0x170 [ 6978.766411][ T1167] do_syscall_64+0xc6/0x1e0 [ 6978.766411][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6978.766411][ T1167] [ 6978.768876][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6978.768876][ T1167] netdev_get_by_index+0x5e/0x80 [ 6978.768876][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6978.768876][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6978.768876][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6978.768876][ T1167] ipv6_add_addr+0x411/0x2000 [ 6978.768876][ T1167] inet6_addr_add+0x30e/0xa40 [ 6978.768876][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6978.768876][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6978.768876][ T1167] netlink_rcv_skb+0x130/0x360 [ 6978.768876][ T1167] netlink_unicast+0x449/0x710 [ 6978.768876][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6978.768876][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6978.768876][ T1167] ___sys_sendmsg+0xee/0x170 [ 6978.768876][ T1167] __sys_sendmsg+0xcd/0x170 [ 6978.768876][ T1167] do_syscall_64+0xc6/0x1e0 [ 6978.768876][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6978.768876][ T1167] [ 6978.771347][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6978.771347][ T1167] netdev_get_by_index+0x5e/0x80 [ 6978.771347][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6978.771347][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6978.771347][ T1167] ip6_route_add+0x1c/0x140 [ 6978.771347][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6978.771347][ T1167] addrconf_add_dev+0xe2/0x170 [ 6978.771347][ T1167] inet6_addr_add+0x12f/0xa40 [ 6978.771347][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6978.771347][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6978.771347][ T1167] netlink_rcv_skb+0x130/0x360 [ 6978.771347][ T1167] netlink_unicast+0x449/0x710 [ 6978.771347][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6978.771347][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6978.771347][ T1167] ___sys_sendmsg+0xee/0x170 [ 6978.771347][ T1167] __sys_sendmsg+0xcd/0x170 [ 6978.771347][ T1167] do_syscall_64+0xc6/0x1e0 [ 6978.771347][ T1167] [ 6978.773777][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6978.773777][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6978.773777][ T1167] ipv6_find_idev+0x102/0x170 [ 6978.773777][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6978.773777][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6978.773777][ T1167] netlink_rcv_skb+0x130/0x360 [ 6978.773777][ T1167] netlink_unicast+0x449/0x710 [ 6978.773777][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6978.773777][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6978.773777][ T1167] ___sys_sendmsg+0xee/0x170 [ 6978.773777][ T1167] __sys_sendmsg+0xcd/0x170 [ 6978.773777][ T1167] do_syscall_64+0xc6/0x1e0 [ 6978.773777][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6978.773777][ T1167] [ 6978.775674][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6978.775674][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6978.775674][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6978.775674][ T1167] ipv6_find_idev+0x102/0x170 [ 6978.775674][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6978.775674][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6978.775674][ T1167] netlink_rcv_skb+0x130/0x360 [ 6978.775674][ T1167] netlink_unicast+0x449/0x710 [ 6978.775674][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6978.775674][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6978.775674][ T1167] ___sys_sendmsg+0xee/0x170 [ 6978.775674][ T1167] __sys_sendmsg+0xcd/0x170 [ 6978.775674][ T1167] do_syscall_64+0xc6/0x1e0 [ 6978.775674][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6978.775674][ T1167] [ 6982.737054][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6982.737521][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6982.737521][ T10] netdev_get_by_index+0x5e/0x80 [ 6982.737521][ T10] fib6_nh_init+0x3d8/0x1580 [ 6982.737521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6982.737521][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6982.737521][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6982.737521][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6982.737521][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6982.737521][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6982.737521][ T10] addrconf_dad_begin+0x310/0x670 [ 6982.737521][ T10] addrconf_dad_work+0x10b/0xab0 [ 6982.737521][ T10] process_one_work+0x84d/0x18a0 [ 6982.737521][ T10] worker_thread+0x587/0xd30 [ 6982.737521][ T10] kthread+0x28a/0x350 [ 6982.737521][ T10] ret_from_fork+0x31/0x70 [ 6982.737521][ T10] ret_from_fork_asm+0x1a/0x30 [ 6982.737521][ T10] [ 6982.739494][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6982.739494][ T10] netdev_get_by_index+0x5e/0x80 [ 6982.739494][ T10] fib6_nh_init+0x3d8/0x1580 [ 6982.739494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6982.739494][ T10] ip6_route_add+0x1c/0x140 [ 6982.739494][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6982.739494][ T10] inet6_addr_add+0x4f8/0xa40 [ 6982.739494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6982.739494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6982.739494][ T10] netlink_rcv_skb+0x130/0x360 [ 6982.739494][ T10] netlink_unicast+0x449/0x710 [ 6982.739494][ T10] netlink_sendmsg+0x723/0xbe0 [ 6982.739494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6982.739494][ T10] ___sys_sendmsg+0xee/0x170 [ 6982.739494][ T10] __sys_sendmsg+0xcd/0x170 [ 6982.739494][ T10] do_syscall_64+0xc6/0x1e0 [ 6982.739494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6982.739494][ T10] [ 6982.741524][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6982.741524][ T10] netdev_get_by_index+0x5e/0x80 [ 6982.741524][ T10] fib6_nh_init+0x3d8/0x1580 [ 6982.741524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6982.741524][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6982.741524][ T10] ipv6_add_addr+0x411/0x2000 [ 6982.741524][ T10] inet6_addr_add+0x30e/0xa40 [ 6982.741524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6982.741524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6982.741524][ T10] netlink_rcv_skb+0x130/0x360 [ 6982.741524][ T10] netlink_unicast+0x449/0x710 [ 6982.741524][ T10] netlink_sendmsg+0x723/0xbe0 [ 6982.741524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6982.741524][ T10] ___sys_sendmsg+0xee/0x170 [ 6982.741524][ T10] __sys_sendmsg+0xcd/0x170 [ 6982.741524][ T10] do_syscall_64+0xc6/0x1e0 [ 6982.741524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6982.741524][ T10] [ 6982.743546][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6982.743546][ T10] netdev_get_by_index+0x5e/0x80 [ 6982.743546][ T10] fib6_nh_init+0x3d8/0x1580 [ 6982.743546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6982.743546][ T10] ip6_route_add+0x1c/0x140 [ 6982.743546][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6982.743546][ T10] addrconf_add_dev+0xe2/0x170 [ 6982.743546][ T10] inet6_addr_add+0x12f/0xa40 [ 6982.743546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6982.743546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6982.743546][ T10] netlink_rcv_skb+0x130/0x360 [ 6982.743546][ T10] netlink_unicast+0x449/0x710 [ 6982.743546][ T10] netlink_sendmsg+0x723/0xbe0 [ 6982.743546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6982.743546][ T10] ___sys_sendmsg+0xee/0x170 [ 6982.743546][ T10] __sys_sendmsg+0xcd/0x170 [ 6982.743546][ T10] do_syscall_64+0xc6/0x1e0 [ 6982.743546][ T10] [ 6982.745538][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6982.745538][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6982.745538][ T10] ipv6_find_idev+0x102/0x170 [ 6982.745538][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6982.745538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6982.745538][ T10] netlink_rcv_skb+0x130/0x360 [ 6982.745538][ T10] netlink_unicast+0x449/0x710 [ 6982.745538][ T10] netlink_sendmsg+0x723/0xbe0 [ 6982.745538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6982.745538][ T10] ___sys_sendmsg+0xee/0x170 [ 6982.745538][ T10] __sys_sendmsg+0xcd/0x170 [ 6982.745538][ T10] do_syscall_64+0xc6/0x1e0 [ 6982.745538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6982.745538][ T10] [ 6982.747198][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6982.747198][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6982.747198][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6982.747198][ T10] ipv6_find_idev+0x102/0x170 [ 6982.747198][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6982.747198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6982.747198][ T10] netlink_rcv_skb+0x130/0x360 [ 6982.747198][ T10] netlink_unicast+0x449/0x710 [ 6982.747198][ T10] netlink_sendmsg+0x723/0xbe0 [ 6982.747198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6982.747198][ T10] ___sys_sendmsg+0xee/0x170 [ 6982.747198][ T10] __sys_sendmsg+0xcd/0x170 [ 6982.747198][ T10] do_syscall_64+0xc6/0x1e0 [ 6982.747198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6982.747198][ T10] [ 6982.748935][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6982.749196][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6982.749196][ T10] netdev_get_by_index+0x5e/0x80 [ 6982.749196][ T10] fib6_nh_init+0x3d8/0x1580 [ 6982.749196][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6982.749196][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6982.749196][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6982.749196][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6982.749196][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6982.749196][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6982.749196][ T10] addrconf_dad_begin+0x310/0x670 [ 6982.749196][ T10] addrconf_dad_work+0x10b/0xab0 [ 6982.749196][ T10] process_one_work+0x84d/0x18a0 [ 6982.749196][ T10] worker_thread+0x587/0xd30 [ 6982.749196][ T10] kthread+0x28a/0x350 [ 6982.749196][ T10] ret_from_fork+0x31/0x70 [ 6982.749196][ T10] ret_from_fork_asm+0x1a/0x30 [ 6982.749196][ T10] [ 6982.751138][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6982.751138][ T10] netdev_get_by_index+0x5e/0x80 [ 6982.751138][ T10] fib6_nh_init+0x3d8/0x1580 [ 6982.751138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6982.751138][ T10] ip6_route_add+0x1c/0x140 [ 6982.751138][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6982.751138][ T10] inet6_addr_add+0x4f8/0xa40 [ 6982.751138][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6982.751138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6982.751138][ T10] netlink_rcv_skb+0x130/0x360 [ 6982.751138][ T10] netlink_unicast+0x449/0x710 [ 6982.751138][ T10] netlink_sendmsg+0x723/0xbe0 [ 6982.751138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6982.751138][ T10] ___sys_sendmsg+0xee/0x170 [ 6982.751138][ T10] __sys_sendmsg+0xcd/0x170 [ 6982.751138][ T10] do_syscall_64+0xc6/0x1e0 [ 6982.751138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6982.751138][ T10] [ 6982.753165][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6982.753165][ T10] netdev_get_by_index+0x5e/0x80 [ 6982.753165][ T10] fib6_nh_init+0x3d8/0x1580 [ 6982.753165][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6982.753165][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6982.753165][ T10] ipv6_add_addr+0x411/0x2000 [ 6982.753165][ T10] inet6_addr_add+0x30e/0xa40 [ 6982.753165][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6982.753165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6982.753165][ T10] netlink_rcv_skb+0x130/0x360 [ 6982.753165][ T10] netlink_unicast+0x449/0x710 [ 6982.753165][ T10] netlink_sendmsg+0x723/0xbe0 [ 6982.753165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6982.753165][ T10] ___sys_sendmsg+0xee/0x170 [ 6982.753165][ T10] __sys_sendmsg+0xcd/0x170 [ 6982.753165][ T10] do_syscall_64+0xc6/0x1e0 [ 6982.753165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6982.753165][ T10] [ 6982.755180][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6982.755180][ T10] netdev_get_by_index+0x5e/0x80 [ 6982.755180][ T10] fib6_nh_init+0x3d8/0x1580 [ 6982.755180][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6982.755180][ T10] ip6_route_add+0x1c/0x140 [ 6982.755180][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6982.755180][ T10] addrconf_add_dev+0xe2/0x170 [ 6982.755180][ T10] inet6_addr_add+0x12f/0xa40 [ 6982.755180][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6982.755180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6982.755180][ T10] netlink_rcv_skb+0x130/0x360 [ 6982.755180][ T10] netlink_unicast+0x449/0x710 [ 6982.755180][ T10] netlink_sendmsg+0x723/0xbe0 [ 6982.755180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6982.755180][ T10] ___sys_sendmsg+0xee/0x170 [ 6982.755180][ T10] __sys_sendmsg+0xcd/0x170 [ 6982.755180][ T10] do_syscall_64+0xc6/0x1e0 [ 6982.755180][ T10] [ 6982.757158][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6982.757158][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6982.757158][ T10] ipv6_find_idev+0x102/0x170 [ 6982.757158][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6982.757158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6982.757158][ T10] netlink_rcv_skb+0x130/0x360 [ 6982.757158][ T10] netlink_unicast+0x449/0x710 [ 6982.757158][ T10] netlink_sendmsg+0x723/0xbe0 [ 6982.757158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6982.757158][ T10] ___sys_sendmsg+0xee/0x170 [ 6982.757158][ T10] __sys_sendmsg+0xcd/0x170 [ 6982.757158][ T10] do_syscall_64+0xc6/0x1e0 [ 6982.757158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6982.757158][ T10] [ 6982.758706][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6982.758706][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6982.758706][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6982.758706][ T10] ipv6_find_idev+0x102/0x170 [ 6982.758706][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6982.758706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6982.758706][ T10] netlink_rcv_skb+0x130/0x360 [ 6982.758706][ T10] netlink_unicast+0x449/0x710 [ 6982.758706][ T10] netlink_sendmsg+0x723/0xbe0 [ 6982.758706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6982.758706][ T10] ___sys_sendmsg+0xee/0x170 [ 6982.758706][ T10] __sys_sendmsg+0xcd/0x170 [ 6982.758706][ T10] do_syscall_64+0xc6/0x1e0 [ 6982.758706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6982.758706][ T10] [ 6982.760403][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6982.760659][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6982.760659][ T10] netdev_get_by_index+0x5e/0x80 [ 6982.760659][ T10] fib6_nh_init+0x3d8/0x1580 [ 6982.760659][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6982.760659][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6982.760659][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6982.760659][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6982.760659][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6982.760659][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6982.760659][ T10] addrconf_dad_begin+0x310/0x670 [ 6982.760659][ T10] addrconf_dad_work+0x10b/0xab0 [ 6982.760659][ T10] process_one_work+0x84d/0x18a0 [ 6982.760659][ T10] worker_thread+0x587/0xd30 [ 6982.760659][ T10] kthread+0x28a/0x350 [ 6982.760659][ T10] ret_from_fork+0x31/0x70 [ 6982.760659][ T10] ret_from_fork_asm+0x1a/0x30 [ 6982.760659][ T10] [ 6982.762581][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6982.762581][ T10] netdev_get_by_index+0x5e/0x80 [ 6982.762581][ T10] fib6_nh_init+0x3d8/0x1580 [ 6982.762581][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6982.762581][ T10] ip6_route_add+0x1c/0x140 [ 6982.762581][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6982.762581][ T10] inet6_addr_add+0x4f8/0xa40 [ 6982.762581][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6982.762581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6982.762581][ T10] netlink_rcv_skb+0x130/0x360 [ 6982.762581][ T10] netlink_unicast+0x449/0x710 [ 6982.762581][ T10] netlink_sendmsg+0x723/0xbe0 [ 6982.762581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6982.762581][ T10] ___sys_sendmsg+0xee/0x170 [ 6982.762581][ T10] __sys_sendmsg+0xcd/0x170 [ 6982.762581][ T10] do_syscall_64+0xc6/0x1e0 [ 6982.762581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6982.762581][ T10] [ 6982.764747][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6982.764747][ T10] netdev_get_by_index+0x5e/0x80 [ 6982.764747][ T10] fib6_nh_init+0x3d8/0x1580 [ 6982.764747][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6982.764747][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6982.764747][ T10] ipv6_add_addr+0x411/0x2000 [ 6982.764747][ T10] inet6_addr_add+0x30e/0xa40 [ 6982.764747][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6982.764747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6982.764747][ T10] netlink_rcv_skb+0x130/0x360 [ 6982.764747][ T10] netlink_unicast+0x449/0x710 [ 6982.764747][ T10] netlink_sendmsg+0x723/0xbe0 [ 6982.764747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6982.764747][ T10] ___sys_sendmsg+0xee/0x170 [ 6982.764747][ T10] __sys_sendmsg+0xcd/0x170 [ 6982.764747][ T10] do_syscall_64+0xc6/0x1e0 [ 6982.764747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6982.764747][ T10] [ 6982.766918][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6982.766918][ T10] netdev_get_by_index+0x5e/0x80 [ 6982.766918][ T10] fib6_nh_init+0x3d8/0x1580 [ 6982.766918][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6982.766918][ T10] ip6_route_add+0x1c/0x140 [ 6982.766918][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6982.766918][ T10] addrconf_add_dev+0xe2/0x170 [ 6982.766918][ T10] inet6_addr_add+0x12f/0xa40 [ 6982.766918][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6982.766918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6982.766918][ T10] netlink_rcv_skb+0x130/0x360 [ 6982.766918][ T10] netlink_unicast+0x449/0x710 [ 6982.766918][ T10] netlink_sendmsg+0x723/0xbe0 [ 6982.766918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6982.766918][ T10] ___sys_sendmsg+0xee/0x170 [ 6982.766918][ T10] __sys_sendmsg+0xcd/0x170 [ 6982.766918][ T10] do_syscall_64+0xc6/0x1e0 [ 6982.766918][ T10] [ 6982.769032][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6982.769032][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6982.769032][ T10] ipv6_find_idev+0x102/0x170 [ 6982.769032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6982.769032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6982.769032][ T10] netlink_rcv_skb+0x130/0x360 [ 6982.769032][ T10] netlink_unicast+0x449/0x710 [ 6982.769032][ T10] netlink_sendmsg+0x723/0xbe0 [ 6982.769032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6982.769032][ T10] ___sys_sendmsg+0xee/0x170 [ 6982.769032][ T10] __sys_sendmsg+0xcd/0x170 [ 6982.769032][ T10] do_syscall_64+0xc6/0x1e0 [ 6982.769032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6982.769032][ T10] [ 6982.770655][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6982.770655][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6982.770655][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6982.770655][ T10] ipv6_find_idev+0x102/0x170 [ 6982.770655][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6982.770655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6982.770655][ T10] netlink_rcv_skb+0x130/0x360 [ 6982.770655][ T10] netlink_unicast+0x449/0x710 [ 6982.770655][ T10] netlink_sendmsg+0x723/0xbe0 [ 6982.770655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6982.770655][ T10] ___sys_sendmsg+0xee/0x170 [ 6982.770655][ T10] __sys_sendmsg+0xcd/0x170 [ 6982.770655][ T10] do_syscall_64+0xc6/0x1e0 [ 6982.770655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6982.770655][ T10] [ 6982.772496][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6982.772741][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6982.772741][ T10] netdev_get_by_index+0x5e/0x80 [ 6982.772741][ T10] fib6_nh_init+0x3d8/0x1580 [ 6982.772741][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6982.772741][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6982.772741][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6982.772741][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6982.772741][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6982.772741][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6982.772741][ T10] addrconf_dad_begin+0x310/0x670 [ 6982.772741][ T10] addrconf_dad_work+0x10b/0xab0 [ 6982.772741][ T10] process_one_work+0x84d/0x18a0 [ 6982.772741][ T10] worker_thread+0x587/0xd30 [ 6982.772741][ T10] kthread+0x28a/0x350 [ 6982.772741][ T10] ret_from_fork+0x31/0x70 [ 6982.772741][ T10] ret_from_fork_asm+0x1a/0x30 [ 6982.772741][ T10] [ 6982.774814][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6982.774814][ T10] netdev_get_by_index+0x5e/0x80 [ 6982.774814][ T10] fib6_nh_init+0x3d8/0x1580 [ 6982.774814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6982.774814][ T10] ip6_route_add+0x1c/0x140 [ 6982.774814][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6982.774814][ T10] inet6_addr_add+0x4f8/0xa40 [ 6982.774814][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6982.774814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6982.774814][ T10] netlink_rcv_skb+0x130/0x360 [ 6982.774814][ T10] netlink_unicast+0x449/0x710 [ 6982.774814][ T10] netlink_sendmsg+0x723/0xbe0 [ 6982.774814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6982.774814][ T10] ___sys_sendmsg+0xee/0x170 [ 6982.774814][ T10] __sys_sendmsg+0xcd/0x170 [ 6982.774814][ T10] do_syscall_64+0xc6/0x1e0 [ 6982.774814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6982.774814][ T10] [ 6982.776977][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6982.776977][ T10] netdev_get_by_index+0x5e/0x80 [ 6982.776977][ T10] fib6_nh_init+0x3d8/0x1580 [ 6982.776977][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6982.776977][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6982.776977][ T10] ipv6_add_addr+0x411/0x2000 [ 6982.776977][ T10] inet6_addr_add+0x30e/0xa40 [ 6982.776977][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6982.776977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6982.776977][ T10] netlink_rcv_skb+0x130/0x360 [ 6982.776977][ T10] netlink_unicast+0x449/0x710 [ 6982.776977][ T10] netlink_sendmsg+0x723/0xbe0 [ 6982.776977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6982.776977][ T10] ___sys_sendmsg+0xee/0x170 [ 6982.776977][ T10] __sys_sendmsg+0xcd/0x170 [ 6982.776977][ T10] do_syscall_64+0xc6/0x1e0 [ 6982.776977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6982.776977][ T10] [ 6982.779206][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6982.779206][ T10] netdev_get_by_index+0x5e/0x80 [ 6982.779206][ T10] fib6_nh_init+0x3d8/0x1580 [ 6982.779206][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6982.779206][ T10] ip6_route_add+0x1c/0x140 [ 6982.779206][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6982.779206][ T10] addrconf_add_dev+0xe2/0x170 [ 6982.779206][ T10] inet6_addr_add+0x12f/0xa40 [ 6982.779206][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6982.779206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6982.779206][ T10] netlink_rcv_skb+0x130/0x360 [ 6982.779206][ T10] netlink_unicast+0x449/0x710 [ 6982.779206][ T10] netlink_sendmsg+0x723/0xbe0 [ 6982.779206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6982.779206][ T10] ___sys_sendmsg+0xee/0x170 [ 6982.779206][ T10] __sys_sendmsg+0xcd/0x170 [ 6982.779206][ T10] do_syscall_64+0xc6/0x1e0 [ 6982.779206][ T10] [ 6982.781442][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6982.781442][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6982.781442][ T10] ipv6_find_idev+0x102/0x170 [ 6982.781442][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6982.781442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6982.781442][ T10] netlink_rcv_skb+0x130/0x360 [ 6982.781442][ T10] netlink_unicast+0x449/0x710 [ 6982.781442][ T10] netlink_sendmsg+0x723/0xbe0 [ 6982.781442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6982.781442][ T10] ___sys_sendmsg+0xee/0x170 [ 6982.781442][ T10] __sys_sendmsg+0xcd/0x170 [ 6982.781442][ T10] do_syscall_64+0xc6/0x1e0 [ 6982.781442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6982.781442][ T10] [ 6982.783068][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6982.783068][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6982.783068][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6982.783068][ T10] ipv6_find_idev+0x102/0x170 [ 6982.783068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6982.783068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6982.783068][ T10] netlink_rcv_skb+0x130/0x360 [ 6982.783068][ T10] netlink_unicast+0x449/0x710 [ 6982.783068][ T10] netlink_sendmsg+0x723/0xbe0 [ 6982.783068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6982.783068][ T10] ___sys_sendmsg+0xee/0x170 [ 6982.783068][ T10] __sys_sendmsg+0xcd/0x170 [ 6982.783068][ T10] do_syscall_64+0xc6/0x1e0 [ 6982.783068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6982.783068][ T10] [ 6988.905049][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6988.905575][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6988.905575][ T1167] dst_init+0x84/0x4a0 [ 6988.905575][ T1167] dst_alloc+0x97/0x150 [ 6988.905575][ T1167] ip6_dst_alloc+0x23/0x90 [ 6988.905575][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6988.905575][ T1167] ip6_pol_route+0x56f/0x840 [ 6988.905575][ T1167] fib6_rule_lookup+0x334/0x630 [ 6988.905575][ T1167] ip6_route_output_flags+0x259/0x480 [ 6988.905575][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6988.905575][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6988.905575][ T1167] netlink_rcv_skb+0x130/0x360 [ 6988.905575][ T1167] netlink_unicast+0x449/0x710 [ 6988.905575][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6988.905575][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6988.905575][ T1167] ___sys_sendmsg+0xee/0x170 [ 6988.905575][ T1167] __sys_sendmsg+0xcd/0x170 [ 6988.905575][ T1167] do_syscall_64+0xc6/0x1e0 [ 6988.905575][ T1167] [ 6988.908027][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6988.908027][ T1167] netdev_get_by_index+0x5e/0x80 [ 6988.908027][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6988.908027][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6988.908027][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6988.908027][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6988.908027][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6988.908027][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6988.908027][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6988.908027][ T1167] addrconf_dad_begin+0x310/0x670 [ 6988.908027][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6988.908027][ T1167] process_one_work+0x84d/0x18a0 [ 6988.908027][ T1167] worker_thread+0x587/0xd30 [ 6988.908027][ T1167] kthread+0x28a/0x350 [ 6988.908027][ T1167] ret_from_fork+0x31/0x70 [ 6988.908027][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6988.908027][ T1167] [ 6988.910430][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6988.910430][ T1167] netdev_get_by_index+0x5e/0x80 [ 6988.910430][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6988.910430][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6988.910430][ T1167] ip6_route_add+0x1c/0x140 [ 6988.910430][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6988.910430][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6988.910430][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6988.910430][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6988.910430][ T1167] netlink_rcv_skb+0x130/0x360 [ 6988.910430][ T1167] netlink_unicast+0x449/0x710 [ 6988.910430][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6988.910430][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6988.910430][ T1167] ___sys_sendmsg+0xee/0x170 [ 6988.910430][ T1167] __sys_sendmsg+0xcd/0x170 [ 6988.910430][ T1167] do_syscall_64+0xc6/0x1e0 [ 6988.910430][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6988.910430][ T1167] [ 6988.912900][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6988.912900][ T1167] netdev_get_by_index+0x5e/0x80 [ 6988.912900][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6988.912900][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6988.912900][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6988.912900][ T1167] ipv6_add_addr+0x411/0x2000 [ 6988.912900][ T1167] inet6_addr_add+0x30e/0xa40 [ 6988.912900][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6988.912900][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6988.912900][ T1167] netlink_rcv_skb+0x130/0x360 [ 6988.912900][ T1167] netlink_unicast+0x449/0x710 [ 6988.912900][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6988.912900][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6988.912900][ T1167] ___sys_sendmsg+0xee/0x170 [ 6988.912900][ T1167] __sys_sendmsg+0xcd/0x170 [ 6988.912900][ T1167] do_syscall_64+0xc6/0x1e0 [ 6988.912900][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6988.912900][ T1167] [ 6988.915394][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6988.915394][ T1167] netdev_get_by_index+0x5e/0x80 [ 6988.915394][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6988.915394][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6988.915394][ T1167] ip6_route_add+0x1c/0x140 [ 6988.915394][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6988.915394][ T1167] addrconf_add_dev+0xe2/0x170 [ 6988.915394][ T1167] inet6_addr_add+0x12f/0xa40 [ 6988.915394][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6988.915394][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6988.915394][ T1167] netlink_rcv_skb+0x130/0x360 [ 6988.915394][ T1167] netlink_unicast+0x449/0x710 [ 6988.915394][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6988.915394][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6988.915394][ T1167] ___sys_sendmsg+0xee/0x170 [ 6988.915394][ T1167] __sys_sendmsg+0xcd/0x170 [ 6988.915394][ T1167] do_syscall_64+0xc6/0x1e0 [ 6988.915394][ T1167] [ 6988.917825][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6988.917825][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6988.917825][ T1167] ipv6_find_idev+0x102/0x170 [ 6988.917825][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6988.917825][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6988.917825][ T1167] netlink_rcv_skb+0x130/0x360 [ 6988.917825][ T1167] netlink_unicast+0x449/0x710 [ 6988.917825][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6988.917825][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6988.917825][ T1167] ___sys_sendmsg+0xee/0x170 [ 6988.917825][ T1167] __sys_sendmsg+0xcd/0x170 [ 6988.917825][ T1167] do_syscall_64+0xc6/0x1e0 [ 6988.917825][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6988.917825][ T1167] [ 6988.919757][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6988.919757][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6988.919757][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6988.919757][ T1167] ipv6_find_idev+0x102/0x170 [ 6988.919757][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6988.919757][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6988.919757][ T1167] netlink_rcv_skb+0x130/0x360 [ 6988.919757][ T1167] netlink_unicast+0x449/0x710 [ 6988.919757][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6988.919757][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6988.919757][ T1167] ___sys_sendmsg+0xee/0x170 [ 6988.919757][ T1167] __sys_sendmsg+0xcd/0x170 [ 6988.919757][ T1167] do_syscall_64+0xc6/0x1e0 [ 6988.919757][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6988.919757][ T1167] [ 6993.025137][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 6993.025550][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6993.025550][ T10] netdev_get_by_index+0x5e/0x80 [ 6993.025550][ T10] fib6_nh_init+0x3d8/0x1580 [ 6993.025550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6993.025550][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6993.025550][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6993.025550][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6993.025550][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6993.025550][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6993.025550][ T10] addrconf_dad_begin+0x310/0x670 [ 6993.025550][ T10] addrconf_dad_work+0x10b/0xab0 [ 6993.025550][ T10] process_one_work+0x84d/0x18a0 [ 6993.025550][ T10] worker_thread+0x587/0xd30 [ 6993.025550][ T10] kthread+0x28a/0x350 [ 6993.025550][ T10] ret_from_fork+0x31/0x70 [ 6993.025550][ T10] ret_from_fork_asm+0x1a/0x30 [ 6993.025550][ T10] [ 6993.027506][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6993.027506][ T10] netdev_get_by_index+0x5e/0x80 [ 6993.027506][ T10] fib6_nh_init+0x3d8/0x1580 [ 6993.027506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6993.027506][ T10] ip6_route_add+0x1c/0x140 [ 6993.027506][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6993.027506][ T10] inet6_addr_add+0x4f8/0xa40 [ 6993.027506][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6993.027506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6993.027506][ T10] netlink_rcv_skb+0x130/0x360 [ 6993.027506][ T10] netlink_unicast+0x449/0x710 [ 6993.027506][ T10] netlink_sendmsg+0x723/0xbe0 [ 6993.027506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6993.027506][ T10] ___sys_sendmsg+0xee/0x170 [ 6993.027506][ T10] __sys_sendmsg+0xcd/0x170 [ 6993.027506][ T10] do_syscall_64+0xc6/0x1e0 [ 6993.027506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6993.027506][ T10] [ 6993.029520][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6993.029520][ T10] netdev_get_by_index+0x5e/0x80 [ 6993.029520][ T10] fib6_nh_init+0x3d8/0x1580 [ 6993.029520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6993.029520][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6993.029520][ T10] ipv6_add_addr+0x411/0x2000 [ 6993.029520][ T10] inet6_addr_add+0x30e/0xa40 [ 6993.029520][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6993.029520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6993.029520][ T10] netlink_rcv_skb+0x130/0x360 [ 6993.029520][ T10] netlink_unicast+0x449/0x710 [ 6993.029520][ T10] netlink_sendmsg+0x723/0xbe0 [ 6993.029520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6993.029520][ T10] ___sys_sendmsg+0xee/0x170 [ 6993.029520][ T10] __sys_sendmsg+0xcd/0x170 [ 6993.029520][ T10] do_syscall_64+0xc6/0x1e0 [ 6993.029520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6993.029520][ T10] [ 6993.031531][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6993.031531][ T10] netdev_get_by_index+0x5e/0x80 [ 6993.031531][ T10] fib6_nh_init+0x3d8/0x1580 [ 6993.031531][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6993.031531][ T10] ip6_route_add+0x1c/0x140 [ 6993.031531][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6993.031531][ T10] addrconf_add_dev+0xe2/0x170 [ 6993.031531][ T10] inet6_addr_add+0x12f/0xa40 [ 6993.031531][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6993.031531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6993.031531][ T10] netlink_rcv_skb+0x130/0x360 [ 6993.031531][ T10] netlink_unicast+0x449/0x710 [ 6993.031531][ T10] netlink_sendmsg+0x723/0xbe0 [ 6993.031531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6993.031531][ T10] ___sys_sendmsg+0xee/0x170 [ 6993.031531][ T10] __sys_sendmsg+0xcd/0x170 [ 6993.031531][ T10] do_syscall_64+0xc6/0x1e0 [ 6993.031531][ T10] [ 6993.033507][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6993.033507][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6993.033507][ T10] ipv6_find_idev+0x102/0x170 [ 6993.033507][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6993.033507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6993.033507][ T10] netlink_rcv_skb+0x130/0x360 [ 6993.033507][ T10] netlink_unicast+0x449/0x710 [ 6993.033507][ T10] netlink_sendmsg+0x723/0xbe0 [ 6993.033507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6993.033507][ T10] ___sys_sendmsg+0xee/0x170 [ 6993.033507][ T10] __sys_sendmsg+0xcd/0x170 [ 6993.033507][ T10] do_syscall_64+0xc6/0x1e0 [ 6993.033507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6993.033507][ T10] [ 6993.035062][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 6993.035062][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6993.035062][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6993.035062][ T10] ipv6_find_idev+0x102/0x170 [ 6993.035062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6993.035062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6993.035062][ T10] netlink_rcv_skb+0x130/0x360 [ 6993.035062][ T10] netlink_unicast+0x449/0x710 [ 6993.035062][ T10] netlink_sendmsg+0x723/0xbe0 [ 6993.035062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6993.035062][ T10] ___sys_sendmsg+0xee/0x170 [ 6993.035062][ T10] __sys_sendmsg+0xcd/0x170 [ 6993.035062][ T10] do_syscall_64+0xc6/0x1e0 [ 6993.035062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6993.035062][ T10] [ 6993.036785][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 6993.037031][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6993.037031][ T10] netdev_get_by_index+0x5e/0x80 [ 6993.037031][ T10] fib6_nh_init+0x3d8/0x1580 [ 6993.037031][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6993.037031][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6993.037031][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6993.037031][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6993.037031][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6993.037031][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6993.037031][ T10] addrconf_dad_begin+0x310/0x670 [ 6993.037031][ T10] addrconf_dad_work+0x10b/0xab0 [ 6993.037031][ T10] process_one_work+0x84d/0x18a0 [ 6993.037031][ T10] worker_thread+0x587/0xd30 [ 6993.037031][ T10] kthread+0x28a/0x350 [ 6993.037031][ T10] ret_from_fork+0x31/0x70 [ 6993.037031][ T10] ret_from_fork_asm+0x1a/0x30 [ 6993.037031][ T10] [ 6993.038952][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6993.038952][ T10] netdev_get_by_index+0x5e/0x80 [ 6993.038952][ T10] fib6_nh_init+0x3d8/0x1580 [ 6993.038952][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6993.038952][ T10] ip6_route_add+0x1c/0x140 [ 6993.038952][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6993.038952][ T10] inet6_addr_add+0x4f8/0xa40 [ 6993.038952][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6993.038952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6993.038952][ T10] netlink_rcv_skb+0x130/0x360 [ 6993.038952][ T10] netlink_unicast+0x449/0x710 [ 6993.038952][ T10] netlink_sendmsg+0x723/0xbe0 [ 6993.038952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6993.038952][ T10] ___sys_sendmsg+0xee/0x170 [ 6993.038952][ T10] __sys_sendmsg+0xcd/0x170 [ 6993.038952][ T10] do_syscall_64+0xc6/0x1e0 [ 6993.038952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6993.038952][ T10] [ 6993.040966][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6993.040966][ T10] netdev_get_by_index+0x5e/0x80 [ 6993.040966][ T10] fib6_nh_init+0x3d8/0x1580 [ 6993.040966][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6993.040966][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6993.040966][ T10] ipv6_add_addr+0x411/0x2000 [ 6993.040966][ T10] inet6_addr_add+0x30e/0xa40 [ 6993.040966][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6993.040966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6993.040966][ T10] netlink_rcv_skb+0x130/0x360 [ 6993.040966][ T10] netlink_unicast+0x449/0x710 [ 6993.040966][ T10] netlink_sendmsg+0x723/0xbe0 [ 6993.040966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6993.040966][ T10] ___sys_sendmsg+0xee/0x170 [ 6993.040966][ T10] __sys_sendmsg+0xcd/0x170 [ 6993.040966][ T10] do_syscall_64+0xc6/0x1e0 [ 6993.040966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6993.040966][ T10] [ 6993.042991][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6993.042991][ T10] netdev_get_by_index+0x5e/0x80 [ 6993.042991][ T10] fib6_nh_init+0x3d8/0x1580 [ 6993.042991][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6993.042991][ T10] ip6_route_add+0x1c/0x140 [ 6993.042991][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6993.042991][ T10] addrconf_add_dev+0xe2/0x170 [ 6993.042991][ T10] inet6_addr_add+0x12f/0xa40 [ 6993.042991][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6993.042991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6993.042991][ T10] netlink_rcv_skb+0x130/0x360 [ 6993.042991][ T10] netlink_unicast+0x449/0x710 [ 6993.042991][ T10] netlink_sendmsg+0x723/0xbe0 [ 6993.042991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6993.042991][ T10] ___sys_sendmsg+0xee/0x170 [ 6993.042991][ T10] __sys_sendmsg+0xcd/0x170 [ 6993.042991][ T10] do_syscall_64+0xc6/0x1e0 [ 6993.042991][ T10] [ 6993.044972][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6993.044972][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6993.044972][ T10] ipv6_find_idev+0x102/0x170 [ 6993.044972][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6993.044972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6993.044972][ T10] netlink_rcv_skb+0x130/0x360 [ 6993.044972][ T10] netlink_unicast+0x449/0x710 [ 6993.044972][ T10] netlink_sendmsg+0x723/0xbe0 [ 6993.044972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6993.044972][ T10] ___sys_sendmsg+0xee/0x170 [ 6993.044972][ T10] __sys_sendmsg+0xcd/0x170 [ 6993.044972][ T10] do_syscall_64+0xc6/0x1e0 [ 6993.044972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6993.044972][ T10] [ 6993.046535][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 6993.046535][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6993.046535][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6993.046535][ T10] ipv6_find_idev+0x102/0x170 [ 6993.046535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6993.046535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6993.046535][ T10] netlink_rcv_skb+0x130/0x360 [ 6993.046535][ T10] netlink_unicast+0x449/0x710 [ 6993.046535][ T10] netlink_sendmsg+0x723/0xbe0 [ 6993.046535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6993.046535][ T10] ___sys_sendmsg+0xee/0x170 [ 6993.046535][ T10] __sys_sendmsg+0xcd/0x170 [ 6993.046535][ T10] do_syscall_64+0xc6/0x1e0 [ 6993.046535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6993.046535][ T10] [ 6993.048235][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 6993.048481][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6993.048481][ T10] netdev_get_by_index+0x5e/0x80 [ 6993.048481][ T10] fib6_nh_init+0x3d8/0x1580 [ 6993.048481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6993.048481][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6993.048481][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6993.048481][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6993.048481][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6993.048481][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6993.048481][ T10] addrconf_dad_begin+0x310/0x670 [ 6993.048481][ T10] addrconf_dad_work+0x10b/0xab0 [ 6993.048481][ T10] process_one_work+0x84d/0x18a0 [ 6993.048481][ T10] worker_thread+0x587/0xd30 [ 6993.048481][ T10] kthread+0x28a/0x350 [ 6993.048481][ T10] ret_from_fork+0x31/0x70 [ 6993.048481][ T10] ret_from_fork_asm+0x1a/0x30 [ 6993.048481][ T10] [ 6993.050410][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6993.050410][ T10] netdev_get_by_index+0x5e/0x80 [ 6993.050410][ T10] fib6_nh_init+0x3d8/0x1580 [ 6993.050410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6993.050410][ T10] ip6_route_add+0x1c/0x140 [ 6993.050410][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6993.050410][ T10] inet6_addr_add+0x4f8/0xa40 [ 6993.050410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6993.050410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6993.050410][ T10] netlink_rcv_skb+0x130/0x360 [ 6993.050410][ T10] netlink_unicast+0x449/0x710 [ 6993.050410][ T10] netlink_sendmsg+0x723/0xbe0 [ 6993.050410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6993.050410][ T10] ___sys_sendmsg+0xee/0x170 [ 6993.050410][ T10] __sys_sendmsg+0xcd/0x170 [ 6993.050410][ T10] do_syscall_64+0xc6/0x1e0 [ 6993.050410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6993.050410][ T10] [ 6993.052607][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6993.052607][ T10] netdev_get_by_index+0x5e/0x80 [ 6993.052607][ T10] fib6_nh_init+0x3d8/0x1580 [ 6993.052607][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6993.052607][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6993.052607][ T10] ipv6_add_addr+0x411/0x2000 [ 6993.052607][ T10] inet6_addr_add+0x30e/0xa40 [ 6993.052607][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6993.052607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6993.052607][ T10] netlink_rcv_skb+0x130/0x360 [ 6993.052607][ T10] netlink_unicast+0x449/0x710 [ 6993.052607][ T10] netlink_sendmsg+0x723/0xbe0 [ 6993.052607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6993.052607][ T10] ___sys_sendmsg+0xee/0x170 [ 6993.052607][ T10] __sys_sendmsg+0xcd/0x170 [ 6993.052607][ T10] do_syscall_64+0xc6/0x1e0 [ 6993.052607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6993.052607][ T10] [ 6993.054868][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6993.054868][ T10] netdev_get_by_index+0x5e/0x80 [ 6993.054868][ T10] fib6_nh_init+0x3d8/0x1580 [ 6993.054868][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6993.054868][ T10] ip6_route_add+0x1c/0x140 [ 6993.054868][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6993.054868][ T10] addrconf_add_dev+0xe2/0x170 [ 6993.054868][ T10] inet6_addr_add+0x12f/0xa40 [ 6993.054868][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6993.054868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6993.054868][ T10] netlink_rcv_skb+0x130/0x360 [ 6993.054868][ T10] netlink_unicast+0x449/0x710 [ 6993.054868][ T10] netlink_sendmsg+0x723/0xbe0 [ 6993.054868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6993.054868][ T10] ___sys_sendmsg+0xee/0x170 [ 6993.054868][ T10] __sys_sendmsg+0xcd/0x170 [ 6993.054868][ T10] do_syscall_64+0xc6/0x1e0 [ 6993.054868][ T10] [ 6993.057083][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6993.057083][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6993.057083][ T10] ipv6_find_idev+0x102/0x170 [ 6993.057083][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6993.057083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6993.057083][ T10] netlink_rcv_skb+0x130/0x360 [ 6993.057083][ T10] netlink_unicast+0x449/0x710 [ 6993.057083][ T10] netlink_sendmsg+0x723/0xbe0 [ 6993.057083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6993.057083][ T10] ___sys_sendmsg+0xee/0x170 [ 6993.057083][ T10] __sys_sendmsg+0xcd/0x170 [ 6993.057083][ T10] do_syscall_64+0xc6/0x1e0 [ 6993.057083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6993.057083][ T10] [ 6993.058871][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 6993.058871][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6993.058871][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6993.058871][ T10] ipv6_find_idev+0x102/0x170 [ 6993.058871][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6993.058871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6993.058871][ T10] netlink_rcv_skb+0x130/0x360 [ 6993.058871][ T10] netlink_unicast+0x449/0x710 [ 6993.058871][ T10] netlink_sendmsg+0x723/0xbe0 [ 6993.058871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6993.058871][ T10] ___sys_sendmsg+0xee/0x170 [ 6993.058871][ T10] __sys_sendmsg+0xcd/0x170 [ 6993.058871][ T10] do_syscall_64+0xc6/0x1e0 [ 6993.058871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6993.058871][ T10] [ 6993.060761][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 6993.061005][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6993.061005][ T10] netdev_get_by_index+0x5e/0x80 [ 6993.061005][ T10] fib6_nh_init+0x3d8/0x1580 [ 6993.061005][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6993.061005][ T10] addrconf_f6i_alloc+0x265/0x560 [ 6993.061005][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6993.061005][ T10] addrconf_join_anycast+0x1c0/0x220 [ 6993.061005][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6993.061005][ T10] addrconf_dad_completed+0x12b/0xe20 [ 6993.061005][ T10] addrconf_dad_begin+0x310/0x670 [ 6993.061005][ T10] addrconf_dad_work+0x10b/0xab0 [ 6993.061005][ T10] process_one_work+0x84d/0x18a0 [ 6993.061005][ T10] worker_thread+0x587/0xd30 [ 6993.061005][ T10] kthread+0x28a/0x350 [ 6993.061005][ T10] ret_from_fork+0x31/0x70 [ 6993.061005][ T10] ret_from_fork_asm+0x1a/0x30 [ 6993.061005][ T10] [ 6993.063157][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6993.063157][ T10] netdev_get_by_index+0x5e/0x80 [ 6993.063157][ T10] fib6_nh_init+0x3d8/0x1580 [ 6993.063157][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6993.063157][ T10] ip6_route_add+0x1c/0x140 [ 6993.063157][ T10] addrconf_prefix_route+0x2a6/0x430 [ 6993.063157][ T10] inet6_addr_add+0x4f8/0xa40 [ 6993.063157][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6993.063157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6993.063157][ T10] netlink_rcv_skb+0x130/0x360 [ 6993.063157][ T10] netlink_unicast+0x449/0x710 [ 6993.063157][ T10] netlink_sendmsg+0x723/0xbe0 [ 6993.063157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6993.063157][ T10] ___sys_sendmsg+0xee/0x170 [ 6993.063157][ T10] __sys_sendmsg+0xcd/0x170 [ 6993.063157][ T10] do_syscall_64+0xc6/0x1e0 [ 6993.063157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6993.063157][ T10] [ 6993.065407][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6993.065407][ T10] netdev_get_by_index+0x5e/0x80 [ 6993.065407][ T10] fib6_nh_init+0x3d8/0x1580 [ 6993.065407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6993.065407][ T10] addrconf_f6i_alloc+0x315/0x560 [ 6993.065407][ T10] ipv6_add_addr+0x411/0x2000 [ 6993.065407][ T10] inet6_addr_add+0x30e/0xa40 [ 6993.065407][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6993.065407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6993.065407][ T10] netlink_rcv_skb+0x130/0x360 [ 6993.065407][ T10] netlink_unicast+0x449/0x710 [ 6993.065407][ T10] netlink_sendmsg+0x723/0xbe0 [ 6993.065407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6993.065407][ T10] ___sys_sendmsg+0xee/0x170 [ 6993.065407][ T10] __sys_sendmsg+0xcd/0x170 [ 6993.065407][ T10] do_syscall_64+0xc6/0x1e0 [ 6993.065407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6993.065407][ T10] [ 6993.067660][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6993.067660][ T10] netdev_get_by_index+0x5e/0x80 [ 6993.067660][ T10] fib6_nh_init+0x3d8/0x1580 [ 6993.067660][ T10] ip6_route_info_create+0xf18/0x17d0 [ 6993.067660][ T10] ip6_route_add+0x1c/0x140 [ 6993.067660][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 6993.067660][ T10] addrconf_add_dev+0xe2/0x170 [ 6993.067660][ T10] inet6_addr_add+0x12f/0xa40 [ 6993.067660][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 6993.067660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6993.067660][ T10] netlink_rcv_skb+0x130/0x360 [ 6993.067660][ T10] netlink_unicast+0x449/0x710 [ 6993.067660][ T10] netlink_sendmsg+0x723/0xbe0 [ 6993.067660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6993.067660][ T10] ___sys_sendmsg+0xee/0x170 [ 6993.067660][ T10] __sys_sendmsg+0xcd/0x170 [ 6993.067660][ T10] do_syscall_64+0xc6/0x1e0 [ 6993.067660][ T10] [ 6993.069883][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6993.069883][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 6993.069883][ T10] ipv6_find_idev+0x102/0x170 [ 6993.069883][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6993.069883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6993.069883][ T10] netlink_rcv_skb+0x130/0x360 [ 6993.069883][ T10] netlink_unicast+0x449/0x710 [ 6993.069883][ T10] netlink_sendmsg+0x723/0xbe0 [ 6993.069883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6993.069883][ T10] ___sys_sendmsg+0xee/0x170 [ 6993.069883][ T10] __sys_sendmsg+0xcd/0x170 [ 6993.069883][ T10] do_syscall_64+0xc6/0x1e0 [ 6993.069883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6993.069883][ T10] [ 6993.071619][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 6993.071619][ T10] neigh_parms_alloc+0x1e5/0x510 [ 6993.071619][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 6993.071619][ T10] ipv6_find_idev+0x102/0x170 [ 6993.071619][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 6993.071619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6993.071619][ T10] netlink_rcv_skb+0x130/0x360 [ 6993.071619][ T10] netlink_unicast+0x449/0x710 [ 6993.071619][ T10] netlink_sendmsg+0x723/0xbe0 [ 6993.071619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 6993.071619][ T10] ___sys_sendmsg+0xee/0x170 [ 6993.071619][ T10] __sys_sendmsg+0xcd/0x170 [ 6993.071619][ T10] do_syscall_64+0xc6/0x1e0 [ 6993.071619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6993.071619][ T10] [ 6999.161103][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 6999.161553][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6999.161553][ T1167] dst_init+0x84/0x4a0 [ 6999.161553][ T1167] dst_alloc+0x97/0x150 [ 6999.161553][ T1167] ip6_dst_alloc+0x23/0x90 [ 6999.161553][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6999.161553][ T1167] ip6_pol_route+0x56f/0x840 [ 6999.161553][ T1167] fib6_rule_lookup+0x334/0x630 [ 6999.161553][ T1167] ip6_route_output_flags+0x259/0x480 [ 6999.161553][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 6999.161553][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 6999.161553][ T1167] netlink_rcv_skb+0x130/0x360 [ 6999.161553][ T1167] netlink_unicast+0x449/0x710 [ 6999.161553][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6999.161553][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6999.161553][ T1167] ___sys_sendmsg+0xee/0x170 [ 6999.161553][ T1167] __sys_sendmsg+0xcd/0x170 [ 6999.161553][ T1167] do_syscall_64+0xc6/0x1e0 [ 6999.161553][ T1167] [ 6999.164026][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6999.164026][ T1167] netdev_get_by_index+0x5e/0x80 [ 6999.164026][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6999.164026][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6999.164026][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 6999.164026][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6999.164026][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 6999.164026][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6999.164026][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 6999.164026][ T1167] addrconf_dad_begin+0x310/0x670 [ 6999.164026][ T1167] addrconf_dad_work+0x10b/0xab0 [ 6999.164026][ T1167] process_one_work+0x84d/0x18a0 [ 6999.164026][ T1167] worker_thread+0x587/0xd30 [ 6999.164026][ T1167] kthread+0x28a/0x350 [ 6999.164026][ T1167] ret_from_fork+0x31/0x70 [ 6999.164026][ T1167] ret_from_fork_asm+0x1a/0x30 [ 6999.164026][ T1167] [ 6999.166213][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6999.166213][ T1167] netdev_get_by_index+0x5e/0x80 [ 6999.166213][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6999.166213][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6999.166213][ T1167] ip6_route_add+0x1c/0x140 [ 6999.166213][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 6999.166213][ T1167] inet6_addr_add+0x4f8/0xa40 [ 6999.166213][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6999.166213][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6999.166213][ T1167] netlink_rcv_skb+0x130/0x360 [ 6999.166213][ T1167] netlink_unicast+0x449/0x710 [ 6999.166213][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6999.166213][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6999.166213][ T1167] ___sys_sendmsg+0xee/0x170 [ 6999.166213][ T1167] __sys_sendmsg+0xcd/0x170 [ 6999.166213][ T1167] do_syscall_64+0xc6/0x1e0 [ 6999.166213][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6999.166213][ T1167] [ 6999.168593][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6999.168593][ T1167] netdev_get_by_index+0x5e/0x80 [ 6999.168593][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6999.168593][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6999.168593][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 6999.168593][ T1167] ipv6_add_addr+0x411/0x2000 [ 6999.168593][ T1167] inet6_addr_add+0x30e/0xa40 [ 6999.168593][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6999.168593][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6999.168593][ T1167] netlink_rcv_skb+0x130/0x360 [ 6999.168593][ T1167] netlink_unicast+0x449/0x710 [ 6999.168593][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6999.168593][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6999.168593][ T1167] ___sys_sendmsg+0xee/0x170 [ 6999.168593][ T1167] __sys_sendmsg+0xcd/0x170 [ 6999.168593][ T1167] do_syscall_64+0xc6/0x1e0 [ 6999.168593][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6999.168593][ T1167] [ 6999.170866][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6999.170866][ T1167] netdev_get_by_index+0x5e/0x80 [ 6999.170866][ T1167] fib6_nh_init+0x3d8/0x1580 [ 6999.170866][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 6999.170866][ T1167] ip6_route_add+0x1c/0x140 [ 6999.170866][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 6999.170866][ T1167] addrconf_add_dev+0xe2/0x170 [ 6999.170866][ T1167] inet6_addr_add+0x12f/0xa40 [ 6999.170866][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 6999.170866][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6999.170866][ T1167] netlink_rcv_skb+0x130/0x360 [ 6999.170866][ T1167] netlink_unicast+0x449/0x710 [ 6999.170866][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6999.170866][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6999.170866][ T1167] ___sys_sendmsg+0xee/0x170 [ 6999.170866][ T1167] __sys_sendmsg+0xcd/0x170 [ 6999.170866][ T1167] do_syscall_64+0xc6/0x1e0 [ 6999.170866][ T1167] [ 6999.173088][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6999.173088][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 6999.173088][ T1167] ipv6_find_idev+0x102/0x170 [ 6999.173088][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6999.173088][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6999.173088][ T1167] netlink_rcv_skb+0x130/0x360 [ 6999.173088][ T1167] netlink_unicast+0x449/0x710 [ 6999.173088][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6999.173088][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6999.173088][ T1167] ___sys_sendmsg+0xee/0x170 [ 6999.173088][ T1167] __sys_sendmsg+0xcd/0x170 [ 6999.173088][ T1167] do_syscall_64+0xc6/0x1e0 [ 6999.173088][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6999.173088][ T1167] [ 6999.174828][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 6999.174828][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 6999.174828][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 6999.174828][ T1167] ipv6_find_idev+0x102/0x170 [ 6999.174828][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 6999.174828][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6999.174828][ T1167] netlink_rcv_skb+0x130/0x360 [ 6999.174828][ T1167] netlink_unicast+0x449/0x710 [ 6999.174828][ T1167] netlink_sendmsg+0x723/0xbe0 [ 6999.174828][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 6999.174828][ T1167] ___sys_sendmsg+0xee/0x170 [ 6999.174828][ T1167] __sys_sendmsg+0xcd/0x170 [ 6999.174828][ T1167] do_syscall_64+0xc6/0x1e0 [ 6999.174828][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6999.174828][ T1167] [ 7003.313120][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7003.313606][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7003.313606][ T10] netdev_get_by_index+0x5e/0x80 [ 7003.313606][ T10] fib6_nh_init+0x3d8/0x1580 [ 7003.313606][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7003.313606][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7003.313606][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7003.313606][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7003.313606][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7003.313606][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7003.313606][ T10] addrconf_dad_begin+0x310/0x670 [ 7003.313606][ T10] addrconf_dad_work+0x10b/0xab0 [ 7003.313606][ T10] process_one_work+0x84d/0x18a0 [ 7003.313606][ T10] worker_thread+0x587/0xd30 [ 7003.313606][ T10] kthread+0x28a/0x350 [ 7003.313606][ T10] ret_from_fork+0x31/0x70 [ 7003.313606][ T10] ret_from_fork_asm+0x1a/0x30 [ 7003.313606][ T10] [ 7003.315810][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7003.315810][ T10] netdev_get_by_index+0x5e/0x80 [ 7003.315810][ T10] fib6_nh_init+0x3d8/0x1580 [ 7003.315810][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7003.315810][ T10] ip6_route_add+0x1c/0x140 [ 7003.315810][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7003.315810][ T10] inet6_addr_add+0x4f8/0xa40 [ 7003.315810][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7003.315810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7003.315810][ T10] netlink_rcv_skb+0x130/0x360 [ 7003.315810][ T10] netlink_unicast+0x449/0x710 [ 7003.315810][ T10] netlink_sendmsg+0x723/0xbe0 [ 7003.315810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7003.315810][ T10] ___sys_sendmsg+0xee/0x170 [ 7003.315810][ T10] __sys_sendmsg+0xcd/0x170 [ 7003.315810][ T10] do_syscall_64+0xc6/0x1e0 [ 7003.315810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7003.315810][ T10] [ 7003.318076][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7003.318076][ T10] netdev_get_by_index+0x5e/0x80 [ 7003.318076][ T10] fib6_nh_init+0x3d8/0x1580 [ 7003.318076][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7003.318076][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7003.318076][ T10] ipv6_add_addr+0x411/0x2000 [ 7003.318076][ T10] inet6_addr_add+0x30e/0xa40 [ 7003.318076][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7003.318076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7003.318076][ T10] netlink_rcv_skb+0x130/0x360 [ 7003.318076][ T10] netlink_unicast+0x449/0x710 [ 7003.318076][ T10] netlink_sendmsg+0x723/0xbe0 [ 7003.318076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7003.318076][ T10] ___sys_sendmsg+0xee/0x170 [ 7003.318076][ T10] __sys_sendmsg+0xcd/0x170 [ 7003.318076][ T10] do_syscall_64+0xc6/0x1e0 [ 7003.318076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7003.318076][ T10] [ 7003.320329][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7003.320329][ T10] netdev_get_by_index+0x5e/0x80 [ 7003.320329][ T10] fib6_nh_init+0x3d8/0x1580 [ 7003.320329][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7003.320329][ T10] ip6_route_add+0x1c/0x140 [ 7003.320329][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7003.320329][ T10] addrconf_add_dev+0xe2/0x170 [ 7003.320329][ T10] inet6_addr_add+0x12f/0xa40 [ 7003.320329][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7003.320329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7003.320329][ T10] netlink_rcv_skb+0x130/0x360 [ 7003.320329][ T10] netlink_unicast+0x449/0x710 [ 7003.320329][ T10] netlink_sendmsg+0x723/0xbe0 [ 7003.320329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7003.320329][ T10] ___sys_sendmsg+0xee/0x170 [ 7003.320329][ T10] __sys_sendmsg+0xcd/0x170 [ 7003.320329][ T10] do_syscall_64+0xc6/0x1e0 [ 7003.320329][ T10] [ 7003.322552][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7003.322552][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7003.322552][ T10] ipv6_find_idev+0x102/0x170 [ 7003.322552][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7003.322552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7003.322552][ T10] netlink_rcv_skb+0x130/0x360 [ 7003.322552][ T10] netlink_unicast+0x449/0x710 [ 7003.322552][ T10] netlink_sendmsg+0x723/0xbe0 [ 7003.322552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7003.322552][ T10] ___sys_sendmsg+0xee/0x170 [ 7003.322552][ T10] __sys_sendmsg+0xcd/0x170 [ 7003.322552][ T10] do_syscall_64+0xc6/0x1e0 [ 7003.322552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7003.322552][ T10] [ 7003.324299][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7003.324299][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7003.324299][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7003.324299][ T10] ipv6_find_idev+0x102/0x170 [ 7003.324299][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7003.324299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7003.324299][ T10] netlink_rcv_skb+0x130/0x360 [ 7003.324299][ T10] netlink_unicast+0x449/0x710 [ 7003.324299][ T10] netlink_sendmsg+0x723/0xbe0 [ 7003.324299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7003.324299][ T10] ___sys_sendmsg+0xee/0x170 [ 7003.324299][ T10] __sys_sendmsg+0xcd/0x170 [ 7003.324299][ T10] do_syscall_64+0xc6/0x1e0 [ 7003.324299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7003.324299][ T10] [ 7003.326233][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7003.326506][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7003.326506][ T10] netdev_get_by_index+0x5e/0x80 [ 7003.326506][ T10] fib6_nh_init+0x3d8/0x1580 [ 7003.326506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7003.326506][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7003.326506][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7003.326506][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7003.326506][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7003.326506][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7003.326506][ T10] addrconf_dad_begin+0x310/0x670 [ 7003.326506][ T10] addrconf_dad_work+0x10b/0xab0 [ 7003.326506][ T10] process_one_work+0x84d/0x18a0 [ 7003.326506][ T10] worker_thread+0x587/0xd30 [ 7003.326506][ T10] kthread+0x28a/0x350 [ 7003.326506][ T10] ret_from_fork+0x31/0x70 [ 7003.326506][ T10] ret_from_fork_asm+0x1a/0x30 [ 7003.326506][ T10] [ 7003.328677][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7003.328677][ T10] netdev_get_by_index+0x5e/0x80 [ 7003.328677][ T10] fib6_nh_init+0x3d8/0x1580 [ 7003.328677][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7003.328677][ T10] ip6_route_add+0x1c/0x140 [ 7003.328677][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7003.328677][ T10] inet6_addr_add+0x4f8/0xa40 [ 7003.328677][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7003.328677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7003.328677][ T10] netlink_rcv_skb+0x130/0x360 [ 7003.328677][ T10] netlink_unicast+0x449/0x710 [ 7003.328677][ T10] netlink_sendmsg+0x723/0xbe0 [ 7003.328677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7003.328677][ T10] ___sys_sendmsg+0xee/0x170 [ 7003.328677][ T10] __sys_sendmsg+0xcd/0x170 [ 7003.328677][ T10] do_syscall_64+0xc6/0x1e0 [ 7003.328677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7003.328677][ T10] [ 7003.330942][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7003.330942][ T10] netdev_get_by_index+0x5e/0x80 [ 7003.330942][ T10] fib6_nh_init+0x3d8/0x1580 [ 7003.330942][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7003.330942][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7003.330942][ T10] ipv6_add_addr+0x411/0x2000 [ 7003.330942][ T10] inet6_addr_add+0x30e/0xa40 [ 7003.330942][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7003.330942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7003.330942][ T10] netlink_rcv_skb+0x130/0x360 [ 7003.330942][ T10] netlink_unicast+0x449/0x710 [ 7003.330942][ T10] netlink_sendmsg+0x723/0xbe0 [ 7003.330942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7003.330942][ T10] ___sys_sendmsg+0xee/0x170 [ 7003.330942][ T10] __sys_sendmsg+0xcd/0x170 [ 7003.330942][ T10] do_syscall_64+0xc6/0x1e0 [ 7003.330942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7003.330942][ T10] [ 7003.333199][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7003.333199][ T10] netdev_get_by_index+0x5e/0x80 [ 7003.333199][ T10] fib6_nh_init+0x3d8/0x1580 [ 7003.333199][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7003.333199][ T10] ip6_route_add+0x1c/0x140 [ 7003.333199][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7003.333199][ T10] addrconf_add_dev+0xe2/0x170 [ 7003.333199][ T10] inet6_addr_add+0x12f/0xa40 [ 7003.333199][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7003.333199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7003.333199][ T10] netlink_rcv_skb+0x130/0x360 [ 7003.333199][ T10] netlink_unicast+0x449/0x710 [ 7003.333199][ T10] netlink_sendmsg+0x723/0xbe0 [ 7003.333199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7003.333199][ T10] ___sys_sendmsg+0xee/0x170 [ 7003.333199][ T10] __sys_sendmsg+0xcd/0x170 [ 7003.333199][ T10] do_syscall_64+0xc6/0x1e0 [ 7003.333199][ T10] [ 7003.335438][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7003.335438][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7003.335438][ T10] ipv6_find_idev+0x102/0x170 [ 7003.335438][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7003.335438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7003.335438][ T10] netlink_rcv_skb+0x130/0x360 [ 7003.335438][ T10] netlink_unicast+0x449/0x710 [ 7003.335438][ T10] netlink_sendmsg+0x723/0xbe0 [ 7003.335438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7003.335438][ T10] ___sys_sendmsg+0xee/0x170 [ 7003.335438][ T10] __sys_sendmsg+0xcd/0x170 [ 7003.335438][ T10] do_syscall_64+0xc6/0x1e0 [ 7003.335438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7003.335438][ T10] [ 7003.337192][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7003.337192][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7003.337192][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7003.337192][ T10] ipv6_find_idev+0x102/0x170 [ 7003.337192][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7003.337192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7003.337192][ T10] netlink_rcv_skb+0x130/0x360 [ 7003.337192][ T10] netlink_unicast+0x449/0x710 [ 7003.337192][ T10] netlink_sendmsg+0x723/0xbe0 [ 7003.337192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7003.337192][ T10] ___sys_sendmsg+0xee/0x170 [ 7003.337192][ T10] __sys_sendmsg+0xcd/0x170 [ 7003.337192][ T10] do_syscall_64+0xc6/0x1e0 [ 7003.337192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7003.337192][ T10] [ 7003.339111][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7003.339387][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7003.339387][ T10] netdev_get_by_index+0x5e/0x80 [ 7003.339387][ T10] fib6_nh_init+0x3d8/0x1580 [ 7003.339387][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7003.339387][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7003.339387][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7003.339387][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7003.339387][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7003.339387][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7003.339387][ T10] addrconf_dad_begin+0x310/0x670 [ 7003.339387][ T10] addrconf_dad_work+0x10b/0xab0 [ 7003.339387][ T10] process_one_work+0x84d/0x18a0 [ 7003.339387][ T10] worker_thread+0x587/0xd30 [ 7003.339387][ T10] kthread+0x28a/0x350 [ 7003.339387][ T10] ret_from_fork+0x31/0x70 [ 7003.339387][ T10] ret_from_fork_asm+0x1a/0x30 [ 7003.339387][ T10] [ 7003.341564][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7003.341564][ T10] netdev_get_by_index+0x5e/0x80 [ 7003.341564][ T10] fib6_nh_init+0x3d8/0x1580 [ 7003.341564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7003.341564][ T10] ip6_route_add+0x1c/0x140 [ 7003.341564][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7003.341564][ T10] inet6_addr_add+0x4f8/0xa40 [ 7003.341564][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7003.341564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7003.341564][ T10] netlink_rcv_skb+0x130/0x360 [ 7003.341564][ T10] netlink_unicast+0x449/0x710 [ 7003.341564][ T10] netlink_sendmsg+0x723/0xbe0 [ 7003.341564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7003.341564][ T10] ___sys_sendmsg+0xee/0x170 [ 7003.341564][ T10] __sys_sendmsg+0xcd/0x170 [ 7003.341564][ T10] do_syscall_64+0xc6/0x1e0 [ 7003.341564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7003.341564][ T10] [ 7003.344016][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7003.344016][ T10] netdev_get_by_index+0x5e/0x80 [ 7003.344016][ T10] fib6_nh_init+0x3d8/0x1580 [ 7003.344016][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7003.344016][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7003.344016][ T10] ipv6_add_addr+0x411/0x2000 [ 7003.344016][ T10] inet6_addr_add+0x30e/0xa40 [ 7003.344016][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7003.344016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7003.344016][ T10] netlink_rcv_skb+0x130/0x360 [ 7003.344016][ T10] netlink_unicast+0x449/0x710 [ 7003.344016][ T10] netlink_sendmsg+0x723/0xbe0 [ 7003.344016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7003.344016][ T10] ___sys_sendmsg+0xee/0x170 [ 7003.344016][ T10] __sys_sendmsg+0xcd/0x170 [ 7003.344016][ T10] do_syscall_64+0xc6/0x1e0 [ 7003.344016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7003.344016][ T10] [ 7003.346537][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7003.346537][ T10] netdev_get_by_index+0x5e/0x80 [ 7003.346537][ T10] fib6_nh_init+0x3d8/0x1580 [ 7003.346537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7003.346537][ T10] ip6_route_add+0x1c/0x140 [ 7003.346537][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7003.346537][ T10] addrconf_add_dev+0xe2/0x170 [ 7003.346537][ T10] inet6_addr_add+0x12f/0xa40 [ 7003.346537][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7003.346537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7003.346537][ T10] netlink_rcv_skb+0x130/0x360 [ 7003.346537][ T10] netlink_unicast+0x449/0x710 [ 7003.346537][ T10] netlink_sendmsg+0x723/0xbe0 [ 7003.346537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7003.346537][ T10] ___sys_sendmsg+0xee/0x170 [ 7003.346537][ T10] __sys_sendmsg+0xcd/0x170 [ 7003.346537][ T10] do_syscall_64+0xc6/0x1e0 [ 7003.346537][ T10] [ 7003.349063][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7003.349063][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7003.349063][ T10] ipv6_find_idev+0x102/0x170 [ 7003.349063][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7003.349063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7003.349063][ T10] netlink_rcv_skb+0x130/0x360 [ 7003.349063][ T10] netlink_unicast+0x449/0x710 [ 7003.349063][ T10] netlink_sendmsg+0x723/0xbe0 [ 7003.349063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7003.349063][ T10] ___sys_sendmsg+0xee/0x170 [ 7003.349063][ T10] __sys_sendmsg+0xcd/0x170 [ 7003.349063][ T10] do_syscall_64+0xc6/0x1e0 [ 7003.349063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7003.349063][ T10] [ 7003.351122][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7003.351122][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7003.351122][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7003.351122][ T10] ipv6_find_idev+0x102/0x170 [ 7003.351122][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7003.351122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7003.351122][ T10] netlink_rcv_skb+0x130/0x360 [ 7003.351122][ T10] netlink_unicast+0x449/0x710 [ 7003.351122][ T10] netlink_sendmsg+0x723/0xbe0 [ 7003.351122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7003.351122][ T10] ___sys_sendmsg+0xee/0x170 [ 7003.351122][ T10] __sys_sendmsg+0xcd/0x170 [ 7003.351122][ T10] do_syscall_64+0xc6/0x1e0 [ 7003.351122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7003.351122][ T10] [ 7003.353223][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7003.353491][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7003.353491][ T10] netdev_get_by_index+0x5e/0x80 [ 7003.353491][ T10] fib6_nh_init+0x3d8/0x1580 [ 7003.353491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7003.353491][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7003.353491][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7003.353491][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7003.353491][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7003.353491][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7003.353491][ T10] addrconf_dad_begin+0x310/0x670 [ 7003.353491][ T10] addrconf_dad_work+0x10b/0xab0 [ 7003.353491][ T10] process_one_work+0x84d/0x18a0 [ 7003.353491][ T10] worker_thread+0x587/0xd30 [ 7003.353491][ T10] kthread+0x28a/0x350 [ 7003.353491][ T10] ret_from_fork+0x31/0x70 [ 7003.353491][ T10] ret_from_fork_asm+0x1a/0x30 [ 7003.353491][ T10] [ 7003.355904][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7003.355904][ T10] netdev_get_by_index+0x5e/0x80 [ 7003.355904][ T10] fib6_nh_init+0x3d8/0x1580 [ 7003.355904][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7003.355904][ T10] ip6_route_add+0x1c/0x140 [ 7003.355904][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7003.355904][ T10] inet6_addr_add+0x4f8/0xa40 [ 7003.355904][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7003.355904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7003.355904][ T10] netlink_rcv_skb+0x130/0x360 [ 7003.355904][ T10] netlink_unicast+0x449/0x710 [ 7003.355904][ T10] netlink_sendmsg+0x723/0xbe0 [ 7003.355904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7003.355904][ T10] ___sys_sendmsg+0xee/0x170 [ 7003.355904][ T10] __sys_sendmsg+0xcd/0x170 [ 7003.355904][ T10] do_syscall_64+0xc6/0x1e0 [ 7003.355904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7003.355904][ T10] [ 7003.358467][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7003.358467][ T10] netdev_get_by_index+0x5e/0x80 [ 7003.358467][ T10] fib6_nh_init+0x3d8/0x1580 [ 7003.358467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7003.358467][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7003.358467][ T10] ipv6_add_addr+0x411/0x2000 [ 7003.358467][ T10] inet6_addr_add+0x30e/0xa40 [ 7003.358467][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7003.358467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7003.358467][ T10] netlink_rcv_skb+0x130/0x360 [ 7003.358467][ T10] netlink_unicast+0x449/0x710 [ 7003.358467][ T10] netlink_sendmsg+0x723/0xbe0 [ 7003.358467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7003.358467][ T10] ___sys_sendmsg+0xee/0x170 [ 7003.358467][ T10] __sys_sendmsg+0xcd/0x170 [ 7003.358467][ T10] do_syscall_64+0xc6/0x1e0 [ 7003.358467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7003.358467][ T10] [ 7003.360907][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7003.360907][ T10] netdev_get_by_index+0x5e/0x80 [ 7003.360907][ T10] fib6_nh_init+0x3d8/0x1580 [ 7003.360907][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7003.360907][ T10] ip6_route_add+0x1c/0x140 [ 7003.360907][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7003.360907][ T10] addrconf_add_dev+0xe2/0x170 [ 7003.360907][ T10] inet6_addr_add+0x12f/0xa40 [ 7003.360907][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7003.360907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7003.360907][ T10] netlink_rcv_skb+0x130/0x360 [ 7003.360907][ T10] netlink_unicast+0x449/0x710 [ 7003.360907][ T10] netlink_sendmsg+0x723/0xbe0 [ 7003.360907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7003.360907][ T10] ___sys_sendmsg+0xee/0x170 [ 7003.360907][ T10] __sys_sendmsg+0xcd/0x170 [ 7003.360907][ T10] do_syscall_64+0xc6/0x1e0 [ 7003.360907][ T10] [ 7003.363376][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7003.363376][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7003.363376][ T10] ipv6_find_idev+0x102/0x170 [ 7003.363376][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7003.363376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7003.363376][ T10] netlink_rcv_skb+0x130/0x360 [ 7003.363376][ T10] netlink_unicast+0x449/0x710 [ 7003.363376][ T10] netlink_sendmsg+0x723/0xbe0 [ 7003.363376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7003.363376][ T10] ___sys_sendmsg+0xee/0x170 [ 7003.363376][ T10] __sys_sendmsg+0xcd/0x170 [ 7003.363376][ T10] do_syscall_64+0xc6/0x1e0 [ 7003.363376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7003.363376][ T10] [ 7003.365306][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7003.365306][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7003.365306][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7003.365306][ T10] ipv6_find_idev+0x102/0x170 [ 7003.365306][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7003.365306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7003.365306][ T10] netlink_rcv_skb+0x130/0x360 [ 7003.365306][ T10] netlink_unicast+0x449/0x710 [ 7003.365306][ T10] netlink_sendmsg+0x723/0xbe0 [ 7003.365306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7003.365306][ T10] ___sys_sendmsg+0xee/0x170 [ 7003.365306][ T10] __sys_sendmsg+0xcd/0x170 [ 7003.365306][ T10] do_syscall_64+0xc6/0x1e0 [ 7003.365306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7003.365306][ T10] [ 7009.417042][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7009.417549][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7009.417549][ T1167] dst_init+0x84/0x4a0 [ 7009.417549][ T1167] dst_alloc+0x97/0x150 [ 7009.417549][ T1167] ip6_dst_alloc+0x23/0x90 [ 7009.417549][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7009.417549][ T1167] ip6_pol_route+0x56f/0x840 [ 7009.417549][ T1167] fib6_rule_lookup+0x334/0x630 [ 7009.417549][ T1167] ip6_route_output_flags+0x259/0x480 [ 7009.417549][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7009.417549][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7009.417549][ T1167] netlink_rcv_skb+0x130/0x360 [ 7009.417549][ T1167] netlink_unicast+0x449/0x710 [ 7009.417549][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7009.417549][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7009.417549][ T1167] ___sys_sendmsg+0xee/0x170 [ 7009.417549][ T1167] __sys_sendmsg+0xcd/0x170 [ 7009.417549][ T1167] do_syscall_64+0xc6/0x1e0 [ 7009.417549][ T1167] [ 7009.419777][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7009.419777][ T1167] netdev_get_by_index+0x5e/0x80 [ 7009.419777][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7009.419777][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7009.419777][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7009.419777][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7009.419777][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7009.419777][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7009.419777][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7009.419777][ T1167] addrconf_dad_begin+0x310/0x670 [ 7009.419777][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7009.419777][ T1167] process_one_work+0x84d/0x18a0 [ 7009.419777][ T1167] worker_thread+0x587/0xd30 [ 7009.419777][ T1167] kthread+0x28a/0x350 [ 7009.419777][ T1167] ret_from_fork+0x31/0x70 [ 7009.419777][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7009.419777][ T1167] [ 7009.421945][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7009.421945][ T1167] netdev_get_by_index+0x5e/0x80 [ 7009.421945][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7009.421945][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7009.421945][ T1167] ip6_route_add+0x1c/0x140 [ 7009.421945][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7009.421945][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7009.421945][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7009.421945][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7009.421945][ T1167] netlink_rcv_skb+0x130/0x360 [ 7009.421945][ T1167] netlink_unicast+0x449/0x710 [ 7009.421945][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7009.421945][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7009.421945][ T1167] ___sys_sendmsg+0xee/0x170 [ 7009.421945][ T1167] __sys_sendmsg+0xcd/0x170 [ 7009.421945][ T1167] do_syscall_64+0xc6/0x1e0 [ 7009.421945][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7009.421945][ T1167] [ 7009.424302][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7009.424302][ T1167] netdev_get_by_index+0x5e/0x80 [ 7009.424302][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7009.424302][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7009.424302][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7009.424302][ T1167] ipv6_add_addr+0x411/0x2000 [ 7009.424302][ T1167] inet6_addr_add+0x30e/0xa40 [ 7009.424302][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7009.424302][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7009.424302][ T1167] netlink_rcv_skb+0x130/0x360 [ 7009.424302][ T1167] netlink_unicast+0x449/0x710 [ 7009.424302][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7009.424302][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7009.424302][ T1167] ___sys_sendmsg+0xee/0x170 [ 7009.424302][ T1167] __sys_sendmsg+0xcd/0x170 [ 7009.424302][ T1167] do_syscall_64+0xc6/0x1e0 [ 7009.424302][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7009.424302][ T1167] [ 7009.426567][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7009.426567][ T1167] netdev_get_by_index+0x5e/0x80 [ 7009.426567][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7009.426567][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7009.426567][ T1167] ip6_route_add+0x1c/0x140 [ 7009.426567][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7009.426567][ T1167] addrconf_add_dev+0xe2/0x170 [ 7009.426567][ T1167] inet6_addr_add+0x12f/0xa40 [ 7009.426567][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7009.426567][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7009.426567][ T1167] netlink_rcv_skb+0x130/0x360 [ 7009.426567][ T1167] netlink_unicast+0x449/0x710 [ 7009.426567][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7009.426567][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7009.426567][ T1167] ___sys_sendmsg+0xee/0x170 [ 7009.426567][ T1167] __sys_sendmsg+0xcd/0x170 [ 7009.426567][ T1167] do_syscall_64+0xc6/0x1e0 [ 7009.426567][ T1167] [ 7009.428789][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7009.428789][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7009.428789][ T1167] ipv6_find_idev+0x102/0x170 [ 7009.428789][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7009.428789][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7009.428789][ T1167] netlink_rcv_skb+0x130/0x360 [ 7009.428789][ T1167] netlink_unicast+0x449/0x710 [ 7009.428789][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7009.428789][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7009.428789][ T1167] ___sys_sendmsg+0xee/0x170 [ 7009.428789][ T1167] __sys_sendmsg+0xcd/0x170 [ 7009.428789][ T1167] do_syscall_64+0xc6/0x1e0 [ 7009.428789][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7009.428789][ T1167] [ 7009.430521][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7009.430521][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7009.430521][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7009.430521][ T1167] ipv6_find_idev+0x102/0x170 [ 7009.430521][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7009.430521][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7009.430521][ T1167] netlink_rcv_skb+0x130/0x360 [ 7009.430521][ T1167] netlink_unicast+0x449/0x710 [ 7009.430521][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7009.430521][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7009.430521][ T1167] ___sys_sendmsg+0xee/0x170 [ 7009.430521][ T1167] __sys_sendmsg+0xcd/0x170 [ 7009.430521][ T1167] do_syscall_64+0xc6/0x1e0 [ 7009.430521][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7009.430521][ T1167] [ 7013.609116][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7013.609592][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7013.609592][ T10] netdev_get_by_index+0x5e/0x80 [ 7013.609592][ T10] fib6_nh_init+0x3d8/0x1580 [ 7013.609592][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7013.609592][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7013.609592][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7013.609592][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7013.609592][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7013.609592][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7013.609592][ T10] addrconf_dad_begin+0x310/0x670 [ 7013.609592][ T10] addrconf_dad_work+0x10b/0xab0 [ 7013.609592][ T10] process_one_work+0x84d/0x18a0 [ 7013.609592][ T10] worker_thread+0x587/0xd30 [ 7013.609592][ T10] kthread+0x28a/0x350 [ 7013.609592][ T10] ret_from_fork+0x31/0x70 [ 7013.609592][ T10] ret_from_fork_asm+0x1a/0x30 [ 7013.609592][ T10] [ 7013.611806][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7013.611806][ T10] netdev_get_by_index+0x5e/0x80 [ 7013.611806][ T10] fib6_nh_init+0x3d8/0x1580 [ 7013.611806][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7013.611806][ T10] ip6_route_add+0x1c/0x140 [ 7013.611806][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7013.611806][ T10] inet6_addr_add+0x4f8/0xa40 [ 7013.611806][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7013.611806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7013.611806][ T10] netlink_rcv_skb+0x130/0x360 [ 7013.611806][ T10] netlink_unicast+0x449/0x710 [ 7013.611806][ T10] netlink_sendmsg+0x723/0xbe0 [ 7013.611806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7013.611806][ T10] ___sys_sendmsg+0xee/0x170 [ 7013.611806][ T10] __sys_sendmsg+0xcd/0x170 [ 7013.611806][ T10] do_syscall_64+0xc6/0x1e0 [ 7013.611806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7013.611806][ T10] [ 7013.614072][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7013.614072][ T10] netdev_get_by_index+0x5e/0x80 [ 7013.614072][ T10] fib6_nh_init+0x3d8/0x1580 [ 7013.614072][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7013.614072][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7013.614072][ T10] ipv6_add_addr+0x411/0x2000 [ 7013.614072][ T10] inet6_addr_add+0x30e/0xa40 [ 7013.614072][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7013.614072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7013.614072][ T10] netlink_rcv_skb+0x130/0x360 [ 7013.614072][ T10] netlink_unicast+0x449/0x710 [ 7013.614072][ T10] netlink_sendmsg+0x723/0xbe0 [ 7013.614072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7013.614072][ T10] ___sys_sendmsg+0xee/0x170 [ 7013.614072][ T10] __sys_sendmsg+0xcd/0x170 [ 7013.614072][ T10] do_syscall_64+0xc6/0x1e0 [ 7013.614072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7013.614072][ T10] [ 7013.616356][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7013.616356][ T10] netdev_get_by_index+0x5e/0x80 [ 7013.616356][ T10] fib6_nh_init+0x3d8/0x1580 [ 7013.616356][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7013.616356][ T10] ip6_route_add+0x1c/0x140 [ 7013.616356][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7013.616356][ T10] addrconf_add_dev+0xe2/0x170 [ 7013.616356][ T10] inet6_addr_add+0x12f/0xa40 [ 7013.616356][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7013.616356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7013.616356][ T10] netlink_rcv_skb+0x130/0x360 [ 7013.616356][ T10] netlink_unicast+0x449/0x710 [ 7013.616356][ T10] netlink_sendmsg+0x723/0xbe0 [ 7013.616356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7013.616356][ T10] ___sys_sendmsg+0xee/0x170 [ 7013.616356][ T10] __sys_sendmsg+0xcd/0x170 [ 7013.616356][ T10] do_syscall_64+0xc6/0x1e0 [ 7013.616356][ T10] [ 7013.618585][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7013.618585][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7013.618585][ T10] ipv6_find_idev+0x102/0x170 [ 7013.618585][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7013.618585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7013.618585][ T10] netlink_rcv_skb+0x130/0x360 [ 7013.618585][ T10] netlink_unicast+0x449/0x710 [ 7013.618585][ T10] netlink_sendmsg+0x723/0xbe0 [ 7013.618585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7013.618585][ T10] ___sys_sendmsg+0xee/0x170 [ 7013.618585][ T10] __sys_sendmsg+0xcd/0x170 [ 7013.618585][ T10] do_syscall_64+0xc6/0x1e0 [ 7013.618585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7013.618585][ T10] [ 7013.620343][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7013.620343][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7013.620343][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7013.620343][ T10] ipv6_find_idev+0x102/0x170 [ 7013.620343][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7013.620343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7013.620343][ T10] netlink_rcv_skb+0x130/0x360 [ 7013.620343][ T10] netlink_unicast+0x449/0x710 [ 7013.620343][ T10] netlink_sendmsg+0x723/0xbe0 [ 7013.620343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7013.620343][ T10] ___sys_sendmsg+0xee/0x170 [ 7013.620343][ T10] __sys_sendmsg+0xcd/0x170 [ 7013.620343][ T10] do_syscall_64+0xc6/0x1e0 [ 7013.620343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7013.620343][ T10] [ 7013.622271][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7013.622543][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7013.622543][ T10] netdev_get_by_index+0x5e/0x80 [ 7013.622543][ T10] fib6_nh_init+0x3d8/0x1580 [ 7013.622543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7013.622543][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7013.622543][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7013.622543][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7013.622543][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7013.622543][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7013.622543][ T10] addrconf_dad_begin+0x310/0x670 [ 7013.622543][ T10] addrconf_dad_work+0x10b/0xab0 [ 7013.622543][ T10] process_one_work+0x84d/0x18a0 [ 7013.622543][ T10] worker_thread+0x587/0xd30 [ 7013.622543][ T10] kthread+0x28a/0x350 [ 7013.622543][ T10] ret_from_fork+0x31/0x70 [ 7013.622543][ T10] ret_from_fork_asm+0x1a/0x30 [ 7013.622543][ T10] [ 7013.624714][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7013.624714][ T10] netdev_get_by_index+0x5e/0x80 [ 7013.624714][ T10] fib6_nh_init+0x3d8/0x1580 [ 7013.624714][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7013.624714][ T10] ip6_route_add+0x1c/0x140 [ 7013.624714][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7013.624714][ T10] inet6_addr_add+0x4f8/0xa40 [ 7013.624714][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7013.624714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7013.624714][ T10] netlink_rcv_skb+0x130/0x360 [ 7013.624714][ T10] netlink_unicast+0x449/0x710 [ 7013.624714][ T10] netlink_sendmsg+0x723/0xbe0 [ 7013.624714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7013.624714][ T10] ___sys_sendmsg+0xee/0x170 [ 7013.624714][ T10] __sys_sendmsg+0xcd/0x170 [ 7013.624714][ T10] do_syscall_64+0xc6/0x1e0 [ 7013.624714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7013.624714][ T10] [ 7013.626981][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7013.626981][ T10] netdev_get_by_index+0x5e/0x80 [ 7013.626981][ T10] fib6_nh_init+0x3d8/0x1580 [ 7013.626981][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7013.626981][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7013.626981][ T10] ipv6_add_addr+0x411/0x2000 [ 7013.626981][ T10] inet6_addr_add+0x30e/0xa40 [ 7013.626981][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7013.626981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7013.626981][ T10] netlink_rcv_skb+0x130/0x360 [ 7013.626981][ T10] netlink_unicast+0x449/0x710 [ 7013.626981][ T10] netlink_sendmsg+0x723/0xbe0 [ 7013.626981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7013.626981][ T10] ___sys_sendmsg+0xee/0x170 [ 7013.626981][ T10] __sys_sendmsg+0xcd/0x170 [ 7013.626981][ T10] do_syscall_64+0xc6/0x1e0 [ 7013.626981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7013.626981][ T10] [ 7013.629253][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7013.629253][ T10] netdev_get_by_index+0x5e/0x80 [ 7013.629253][ T10] fib6_nh_init+0x3d8/0x1580 [ 7013.629253][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7013.629253][ T10] ip6_route_add+0x1c/0x140 [ 7013.629253][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7013.629253][ T10] addrconf_add_dev+0xe2/0x170 [ 7013.629253][ T10] inet6_addr_add+0x12f/0xa40 [ 7013.629253][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7013.629253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7013.629253][ T10] netlink_rcv_skb+0x130/0x360 [ 7013.629253][ T10] netlink_unicast+0x449/0x710 [ 7013.629253][ T10] netlink_sendmsg+0x723/0xbe0 [ 7013.629253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7013.629253][ T10] ___sys_sendmsg+0xee/0x170 [ 7013.629253][ T10] __sys_sendmsg+0xcd/0x170 [ 7013.629253][ T10] do_syscall_64+0xc6/0x1e0 [ 7013.629253][ T10] [ 7013.631486][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7013.631486][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7013.631486][ T10] ipv6_find_idev+0x102/0x170 [ 7013.631486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7013.631486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7013.631486][ T10] netlink_rcv_skb+0x130/0x360 [ 7013.631486][ T10] netlink_unicast+0x449/0x710 [ 7013.631486][ T10] netlink_sendmsg+0x723/0xbe0 [ 7013.631486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7013.631486][ T10] ___sys_sendmsg+0xee/0x170 [ 7013.631486][ T10] __sys_sendmsg+0xcd/0x170 [ 7013.631486][ T10] do_syscall_64+0xc6/0x1e0 [ 7013.631486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7013.631486][ T10] [ 7013.633236][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7013.633236][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7013.633236][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7013.633236][ T10] ipv6_find_idev+0x102/0x170 [ 7013.633236][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7013.633236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7013.633236][ T10] netlink_rcv_skb+0x130/0x360 [ 7013.633236][ T10] netlink_unicast+0x449/0x710 [ 7013.633236][ T10] netlink_sendmsg+0x723/0xbe0 [ 7013.633236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7013.633236][ T10] ___sys_sendmsg+0xee/0x170 [ 7013.633236][ T10] __sys_sendmsg+0xcd/0x170 [ 7013.633236][ T10] do_syscall_64+0xc6/0x1e0 [ 7013.633236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7013.633236][ T10] [ 7013.635168][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7013.635437][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7013.635437][ T10] netdev_get_by_index+0x5e/0x80 [ 7013.635437][ T10] fib6_nh_init+0x3d8/0x1580 [ 7013.635437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7013.635437][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7013.635437][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7013.635437][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7013.635437][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7013.635437][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7013.635437][ T10] addrconf_dad_begin+0x310/0x670 [ 7013.635437][ T10] addrconf_dad_work+0x10b/0xab0 [ 7013.635437][ T10] process_one_work+0x84d/0x18a0 [ 7013.635437][ T10] worker_thread+0x587/0xd30 [ 7013.635437][ T10] kthread+0x28a/0x350 [ 7013.635437][ T10] ret_from_fork+0x31/0x70 [ 7013.635437][ T10] ret_from_fork_asm+0x1a/0x30 [ 7013.635437][ T10] [ 7013.637611][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7013.637611][ T10] netdev_get_by_index+0x5e/0x80 [ 7013.637611][ T10] fib6_nh_init+0x3d8/0x1580 [ 7013.637611][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7013.637611][ T10] ip6_route_add+0x1c/0x140 [ 7013.637611][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7013.637611][ T10] inet6_addr_add+0x4f8/0xa40 [ 7013.637611][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7013.637611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7013.637611][ T10] netlink_rcv_skb+0x130/0x360 [ 7013.637611][ T10] netlink_unicast+0x449/0x710 [ 7013.637611][ T10] netlink_sendmsg+0x723/0xbe0 [ 7013.637611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7013.637611][ T10] ___sys_sendmsg+0xee/0x170 [ 7013.637611][ T10] __sys_sendmsg+0xcd/0x170 [ 7013.637611][ T10] do_syscall_64+0xc6/0x1e0 [ 7013.637611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7013.637611][ T10] [ 7013.640060][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7013.640060][ T10] netdev_get_by_index+0x5e/0x80 [ 7013.640060][ T10] fib6_nh_init+0x3d8/0x1580 [ 7013.640060][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7013.640060][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7013.640060][ T10] ipv6_add_addr+0x411/0x2000 [ 7013.640060][ T10] inet6_addr_add+0x30e/0xa40 [ 7013.640060][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7013.640060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7013.640060][ T10] netlink_rcv_skb+0x130/0x360 [ 7013.640060][ T10] netlink_unicast+0x449/0x710 [ 7013.640060][ T10] netlink_sendmsg+0x723/0xbe0 [ 7013.640060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7013.640060][ T10] ___sys_sendmsg+0xee/0x170 [ 7013.640060][ T10] __sys_sendmsg+0xcd/0x170 [ 7013.640060][ T10] do_syscall_64+0xc6/0x1e0 [ 7013.640060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7013.640060][ T10] [ 7013.642614][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7013.642614][ T10] netdev_get_by_index+0x5e/0x80 [ 7013.642614][ T10] fib6_nh_init+0x3d8/0x1580 [ 7013.642614][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7013.642614][ T10] ip6_route_add+0x1c/0x140 [ 7013.642614][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7013.642614][ T10] addrconf_add_dev+0xe2/0x170 [ 7013.642614][ T10] inet6_addr_add+0x12f/0xa40 [ 7013.642614][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7013.642614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7013.642614][ T10] netlink_rcv_skb+0x130/0x360 [ 7013.642614][ T10] netlink_unicast+0x449/0x710 [ 7013.642614][ T10] netlink_sendmsg+0x723/0xbe0 [ 7013.642614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7013.642614][ T10] ___sys_sendmsg+0xee/0x170 [ 7013.642614][ T10] __sys_sendmsg+0xcd/0x170 [ 7013.642614][ T10] do_syscall_64+0xc6/0x1e0 [ 7013.642614][ T10] [ 7013.645064][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7013.645064][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7013.645064][ T10] ipv6_find_idev+0x102/0x170 [ 7013.645064][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7013.645064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7013.645064][ T10] netlink_rcv_skb+0x130/0x360 [ 7013.645064][ T10] netlink_unicast+0x449/0x710 [ 7013.645064][ T10] netlink_sendmsg+0x723/0xbe0 [ 7013.645064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7013.645064][ T10] ___sys_sendmsg+0xee/0x170 [ 7013.645064][ T10] __sys_sendmsg+0xcd/0x170 [ 7013.645064][ T10] do_syscall_64+0xc6/0x1e0 [ 7013.645064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7013.645064][ T10] [ 7013.646984][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7013.646984][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7013.646984][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7013.646984][ T10] ipv6_find_idev+0x102/0x170 [ 7013.646984][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7013.646984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7013.646984][ T10] netlink_rcv_skb+0x130/0x360 [ 7013.646984][ T10] netlink_unicast+0x449/0x710 [ 7013.646984][ T10] netlink_sendmsg+0x723/0xbe0 [ 7013.646984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7013.646984][ T10] ___sys_sendmsg+0xee/0x170 [ 7013.646984][ T10] __sys_sendmsg+0xcd/0x170 [ 7013.646984][ T10] do_syscall_64+0xc6/0x1e0 [ 7013.646984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7013.646984][ T10] [ 7013.649072][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7013.649340][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7013.649340][ T10] netdev_get_by_index+0x5e/0x80 [ 7013.649340][ T10] fib6_nh_init+0x3d8/0x1580 [ 7013.649340][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7013.649340][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7013.649340][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7013.649340][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7013.649340][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7013.649340][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7013.649340][ T10] addrconf_dad_begin+0x310/0x670 [ 7013.649340][ T10] addrconf_dad_work+0x10b/0xab0 [ 7013.649340][ T10] process_one_work+0x84d/0x18a0 [ 7013.649340][ T10] worker_thread+0x587/0xd30 [ 7013.649340][ T10] kthread+0x28a/0x350 [ 7013.649340][ T10] ret_from_fork+0x31/0x70 [ 7013.649340][ T10] ret_from_fork_asm+0x1a/0x30 [ 7013.649340][ T10] [ 7013.651811][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7013.651811][ T10] netdev_get_by_index+0x5e/0x80 [ 7013.651811][ T10] fib6_nh_init+0x3d8/0x1580 [ 7013.651811][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7013.651811][ T10] ip6_route_add+0x1c/0x140 [ 7013.651811][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7013.651811][ T10] inet6_addr_add+0x4f8/0xa40 [ 7013.651811][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7013.651811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7013.651811][ T10] netlink_rcv_skb+0x130/0x360 [ 7013.651811][ T10] netlink_unicast+0x449/0x710 [ 7013.651811][ T10] netlink_sendmsg+0x723/0xbe0 [ 7013.651811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7013.651811][ T10] ___sys_sendmsg+0xee/0x170 [ 7013.651811][ T10] __sys_sendmsg+0xcd/0x170 [ 7013.651811][ T10] do_syscall_64+0xc6/0x1e0 [ 7013.651811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7013.651811][ T10] [ 7013.654312][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7013.654312][ T10] netdev_get_by_index+0x5e/0x80 [ 7013.654312][ T10] fib6_nh_init+0x3d8/0x1580 [ 7013.654312][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7013.654312][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7013.654312][ T10] ipv6_add_addr+0x411/0x2000 [ 7013.654312][ T10] inet6_addr_add+0x30e/0xa40 [ 7013.654312][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7013.654312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7013.654312][ T10] netlink_rcv_skb+0x130/0x360 [ 7013.654312][ T10] netlink_unicast+0x449/0x710 [ 7013.654312][ T10] netlink_sendmsg+0x723/0xbe0 [ 7013.654312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7013.654312][ T10] ___sys_sendmsg+0xee/0x170 [ 7013.654312][ T10] __sys_sendmsg+0xcd/0x170 [ 7013.654312][ T10] do_syscall_64+0xc6/0x1e0 [ 7013.654312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7013.654312][ T10] [ 7013.656764][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7013.656764][ T10] netdev_get_by_index+0x5e/0x80 [ 7013.656764][ T10] fib6_nh_init+0x3d8/0x1580 [ 7013.656764][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7013.656764][ T10] ip6_route_add+0x1c/0x140 [ 7013.656764][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7013.656764][ T10] addrconf_add_dev+0xe2/0x170 [ 7013.656764][ T10] inet6_addr_add+0x12f/0xa40 [ 7013.656764][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7013.656764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7013.656764][ T10] netlink_rcv_skb+0x130/0x360 [ 7013.656764][ T10] netlink_unicast+0x449/0x710 [ 7013.656764][ T10] netlink_sendmsg+0x723/0xbe0 [ 7013.656764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7013.656764][ T10] ___sys_sendmsg+0xee/0x170 [ 7013.656764][ T10] __sys_sendmsg+0xcd/0x170 [ 7013.656764][ T10] do_syscall_64+0xc6/0x1e0 [ 7013.656764][ T10] [ 7013.659239][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7013.659239][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7013.659239][ T10] ipv6_find_idev+0x102/0x170 [ 7013.659239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7013.659239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7013.659239][ T10] netlink_rcv_skb+0x130/0x360 [ 7013.659239][ T10] netlink_unicast+0x449/0x710 [ 7013.659239][ T10] netlink_sendmsg+0x723/0xbe0 [ 7013.659239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7013.659239][ T10] ___sys_sendmsg+0xee/0x170 [ 7013.659239][ T10] __sys_sendmsg+0xcd/0x170 [ 7013.659239][ T10] do_syscall_64+0xc6/0x1e0 [ 7013.659239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7013.659239][ T10] [ 7013.661167][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7013.661167][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7013.661167][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7013.661167][ T10] ipv6_find_idev+0x102/0x170 [ 7013.661167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7013.661167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7013.661167][ T10] netlink_rcv_skb+0x130/0x360 [ 7013.661167][ T10] netlink_unicast+0x449/0x710 [ 7013.661167][ T10] netlink_sendmsg+0x723/0xbe0 [ 7013.661167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7013.661167][ T10] ___sys_sendmsg+0xee/0x170 [ 7013.661167][ T10] __sys_sendmsg+0xcd/0x170 [ 7013.661167][ T10] do_syscall_64+0xc6/0x1e0 [ 7013.661167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7013.661167][ T10] [ 7019.465109][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7019.465592][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7019.465592][ T1167] dst_init+0x84/0x4a0 [ 7019.465592][ T1167] dst_alloc+0x97/0x150 [ 7019.465592][ T1167] ip6_dst_alloc+0x23/0x90 [ 7019.465592][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7019.465592][ T1167] ip6_pol_route+0x56f/0x840 [ 7019.465592][ T1167] fib6_rule_lookup+0x334/0x630 [ 7019.465592][ T1167] ip6_route_output_flags+0x259/0x480 [ 7019.465592][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7019.465592][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7019.465592][ T1167] netlink_rcv_skb+0x130/0x360 [ 7019.465592][ T1167] netlink_unicast+0x449/0x710 [ 7019.465592][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7019.465592][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7019.465592][ T1167] ___sys_sendmsg+0xee/0x170 [ 7019.465592][ T1167] __sys_sendmsg+0xcd/0x170 [ 7019.465592][ T1167] do_syscall_64+0xc6/0x1e0 [ 7019.465592][ T1167] [ 7019.467827][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7019.467827][ T1167] netdev_get_by_index+0x5e/0x80 [ 7019.467827][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7019.467827][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7019.467827][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7019.467827][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7019.467827][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7019.467827][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7019.467827][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7019.467827][ T1167] addrconf_dad_begin+0x310/0x670 [ 7019.467827][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7019.467827][ T1167] process_one_work+0x84d/0x18a0 [ 7019.467827][ T1167] worker_thread+0x587/0xd30 [ 7019.467827][ T1167] kthread+0x28a/0x350 [ 7019.467827][ T1167] ret_from_fork+0x31/0x70 [ 7019.467827][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7019.467827][ T1167] [ 7019.469990][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7019.469990][ T1167] netdev_get_by_index+0x5e/0x80 [ 7019.469990][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7019.469990][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7019.469990][ T1167] ip6_route_add+0x1c/0x140 [ 7019.469990][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7019.469990][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7019.469990][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7019.469990][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7019.469990][ T1167] netlink_rcv_skb+0x130/0x360 [ 7019.469990][ T1167] netlink_unicast+0x449/0x710 [ 7019.469990][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7019.469990][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7019.469990][ T1167] ___sys_sendmsg+0xee/0x170 [ 7019.469990][ T1167] __sys_sendmsg+0xcd/0x170 [ 7019.469990][ T1167] do_syscall_64+0xc6/0x1e0 [ 7019.469990][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7019.469990][ T1167] [ 7019.472256][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7019.472256][ T1167] netdev_get_by_index+0x5e/0x80 [ 7019.472256][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7019.472256][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7019.472256][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7019.472256][ T1167] ipv6_add_addr+0x411/0x2000 [ 7019.472256][ T1167] inet6_addr_add+0x30e/0xa40 [ 7019.472256][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7019.472256][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7019.472256][ T1167] netlink_rcv_skb+0x130/0x360 [ 7019.472256][ T1167] netlink_unicast+0x449/0x710 [ 7019.472256][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7019.472256][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7019.472256][ T1167] ___sys_sendmsg+0xee/0x170 [ 7019.472256][ T1167] __sys_sendmsg+0xcd/0x170 [ 7019.472256][ T1167] do_syscall_64+0xc6/0x1e0 [ 7019.472256][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7019.472256][ T1167] [ 7019.474529][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7019.474529][ T1167] netdev_get_by_index+0x5e/0x80 [ 7019.474529][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7019.474529][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7019.474529][ T1167] ip6_route_add+0x1c/0x140 [ 7019.474529][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7019.474529][ T1167] addrconf_add_dev+0xe2/0x170 [ 7019.474529][ T1167] inet6_addr_add+0x12f/0xa40 [ 7019.474529][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7019.474529][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7019.474529][ T1167] netlink_rcv_skb+0x130/0x360 [ 7019.474529][ T1167] netlink_unicast+0x449/0x710 [ 7019.474529][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7019.474529][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7019.474529][ T1167] ___sys_sendmsg+0xee/0x170 [ 7019.474529][ T1167] __sys_sendmsg+0xcd/0x170 [ 7019.474529][ T1167] do_syscall_64+0xc6/0x1e0 [ 7019.474529][ T1167] [ 7019.476774][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7019.476774][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7019.476774][ T1167] ipv6_find_idev+0x102/0x170 [ 7019.476774][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7019.476774][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7019.476774][ T1167] netlink_rcv_skb+0x130/0x360 [ 7019.476774][ T1167] netlink_unicast+0x449/0x710 [ 7019.476774][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7019.476774][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7019.476774][ T1167] ___sys_sendmsg+0xee/0x170 [ 7019.476774][ T1167] __sys_sendmsg+0xcd/0x170 [ 7019.476774][ T1167] do_syscall_64+0xc6/0x1e0 [ 7019.476774][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7019.476774][ T1167] [ 7019.478516][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7019.478516][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7019.478516][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7019.478516][ T1167] ipv6_find_idev+0x102/0x170 [ 7019.478516][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7019.478516][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7019.478516][ T1167] netlink_rcv_skb+0x130/0x360 [ 7019.478516][ T1167] netlink_unicast+0x449/0x710 [ 7019.478516][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7019.478516][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7019.478516][ T1167] ___sys_sendmsg+0xee/0x170 [ 7019.478516][ T1167] __sys_sendmsg+0xcd/0x170 [ 7019.478516][ T1167] do_syscall_64+0xc6/0x1e0 [ 7019.478516][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7019.478516][ T1167] [ 7023.793115][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7023.793588][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7023.793588][ T10] netdev_get_by_index+0x5e/0x80 [ 7023.793588][ T10] fib6_nh_init+0x3d8/0x1580 [ 7023.793588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7023.793588][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7023.793588][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7023.793588][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7023.793588][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7023.793588][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7023.793588][ T10] addrconf_dad_begin+0x310/0x670 [ 7023.793588][ T10] addrconf_dad_work+0x10b/0xab0 [ 7023.793588][ T10] process_one_work+0x84d/0x18a0 [ 7023.793588][ T10] worker_thread+0x587/0xd30 [ 7023.793588][ T10] kthread+0x28a/0x350 [ 7023.793588][ T10] ret_from_fork+0x31/0x70 [ 7023.793588][ T10] ret_from_fork_asm+0x1a/0x30 [ 7023.793588][ T10] [ 7023.795833][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7023.795833][ T10] netdev_get_by_index+0x5e/0x80 [ 7023.795833][ T10] fib6_nh_init+0x3d8/0x1580 [ 7023.795833][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7023.795833][ T10] ip6_route_add+0x1c/0x140 [ 7023.795833][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7023.795833][ T10] inet6_addr_add+0x4f8/0xa40 [ 7023.795833][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7023.795833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7023.795833][ T10] netlink_rcv_skb+0x130/0x360 [ 7023.795833][ T10] netlink_unicast+0x449/0x710 [ 7023.795833][ T10] netlink_sendmsg+0x723/0xbe0 [ 7023.795833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7023.795833][ T10] ___sys_sendmsg+0xee/0x170 [ 7023.795833][ T10] __sys_sendmsg+0xcd/0x170 [ 7023.795833][ T10] do_syscall_64+0xc6/0x1e0 [ 7023.795833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7023.795833][ T10] [ 7023.798086][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7023.798086][ T10] netdev_get_by_index+0x5e/0x80 [ 7023.798086][ T10] fib6_nh_init+0x3d8/0x1580 [ 7023.798086][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7023.798086][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7023.798086][ T10] ipv6_add_addr+0x411/0x2000 [ 7023.798086][ T10] inet6_addr_add+0x30e/0xa40 [ 7023.798086][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7023.798086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7023.798086][ T10] netlink_rcv_skb+0x130/0x360 [ 7023.798086][ T10] netlink_unicast+0x449/0x710 [ 7023.798086][ T10] netlink_sendmsg+0x723/0xbe0 [ 7023.798086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7023.798086][ T10] ___sys_sendmsg+0xee/0x170 [ 7023.798086][ T10] __sys_sendmsg+0xcd/0x170 [ 7023.798086][ T10] do_syscall_64+0xc6/0x1e0 [ 7023.798086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7023.798086][ T10] [ 7023.800351][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7023.800351][ T10] netdev_get_by_index+0x5e/0x80 [ 7023.800351][ T10] fib6_nh_init+0x3d8/0x1580 [ 7023.800351][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7023.800351][ T10] ip6_route_add+0x1c/0x140 [ 7023.800351][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7023.800351][ T10] addrconf_add_dev+0xe2/0x170 [ 7023.800351][ T10] inet6_addr_add+0x12f/0xa40 [ 7023.800351][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7023.800351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7023.800351][ T10] netlink_rcv_skb+0x130/0x360 [ 7023.800351][ T10] netlink_unicast+0x449/0x710 [ 7023.800351][ T10] netlink_sendmsg+0x723/0xbe0 [ 7023.800351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7023.800351][ T10] ___sys_sendmsg+0xee/0x170 [ 7023.800351][ T10] __sys_sendmsg+0xcd/0x170 [ 7023.800351][ T10] do_syscall_64+0xc6/0x1e0 [ 7023.800351][ T10] [ 7023.802584][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7023.802584][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7023.802584][ T10] ipv6_find_idev+0x102/0x170 [ 7023.802584][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7023.802584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7023.802584][ T10] netlink_rcv_skb+0x130/0x360 [ 7023.802584][ T10] netlink_unicast+0x449/0x710 [ 7023.802584][ T10] netlink_sendmsg+0x723/0xbe0 [ 7023.802584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7023.802584][ T10] ___sys_sendmsg+0xee/0x170 [ 7023.802584][ T10] __sys_sendmsg+0xcd/0x170 [ 7023.802584][ T10] do_syscall_64+0xc6/0x1e0 [ 7023.802584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7023.802584][ T10] [ 7023.804312][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7023.804312][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7023.804312][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7023.804312][ T10] ipv6_find_idev+0x102/0x170 [ 7023.804312][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7023.804312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7023.804312][ T10] netlink_rcv_skb+0x130/0x360 [ 7023.804312][ T10] netlink_unicast+0x449/0x710 [ 7023.804312][ T10] netlink_sendmsg+0x723/0xbe0 [ 7023.804312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7023.804312][ T10] ___sys_sendmsg+0xee/0x170 [ 7023.804312][ T10] __sys_sendmsg+0xcd/0x170 [ 7023.804312][ T10] do_syscall_64+0xc6/0x1e0 [ 7023.804312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7023.804312][ T10] [ 7023.806271][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7023.806539][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7023.806539][ T10] netdev_get_by_index+0x5e/0x80 [ 7023.806539][ T10] fib6_nh_init+0x3d8/0x1580 [ 7023.806539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7023.806539][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7023.806539][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7023.806539][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7023.806539][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7023.806539][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7023.806539][ T10] addrconf_dad_begin+0x310/0x670 [ 7023.806539][ T10] addrconf_dad_work+0x10b/0xab0 [ 7023.806539][ T10] process_one_work+0x84d/0x18a0 [ 7023.806539][ T10] worker_thread+0x587/0xd30 [ 7023.806539][ T10] kthread+0x28a/0x350 [ 7023.806539][ T10] ret_from_fork+0x31/0x70 [ 7023.806539][ T10] ret_from_fork_asm+0x1a/0x30 [ 7023.806539][ T10] [ 7023.808718][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7023.808718][ T10] netdev_get_by_index+0x5e/0x80 [ 7023.808718][ T10] fib6_nh_init+0x3d8/0x1580 [ 7023.808718][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7023.808718][ T10] ip6_route_add+0x1c/0x140 [ 7023.808718][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7023.808718][ T10] inet6_addr_add+0x4f8/0xa40 [ 7023.808718][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7023.808718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7023.808718][ T10] netlink_rcv_skb+0x130/0x360 [ 7023.808718][ T10] netlink_unicast+0x449/0x710 [ 7023.808718][ T10] netlink_sendmsg+0x723/0xbe0 [ 7023.808718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7023.808718][ T10] ___sys_sendmsg+0xee/0x170 [ 7023.808718][ T10] __sys_sendmsg+0xcd/0x170 [ 7023.808718][ T10] do_syscall_64+0xc6/0x1e0 [ 7023.808718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7023.808718][ T10] [ 7023.810981][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7023.810981][ T10] netdev_get_by_index+0x5e/0x80 [ 7023.810981][ T10] fib6_nh_init+0x3d8/0x1580 [ 7023.810981][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7023.810981][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7023.810981][ T10] ipv6_add_addr+0x411/0x2000 [ 7023.810981][ T10] inet6_addr_add+0x30e/0xa40 [ 7023.810981][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7023.810981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7023.810981][ T10] netlink_rcv_skb+0x130/0x360 [ 7023.810981][ T10] netlink_unicast+0x449/0x710 [ 7023.810981][ T10] netlink_sendmsg+0x723/0xbe0 [ 7023.810981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7023.810981][ T10] ___sys_sendmsg+0xee/0x170 [ 7023.810981][ T10] __sys_sendmsg+0xcd/0x170 [ 7023.810981][ T10] do_syscall_64+0xc6/0x1e0 [ 7023.810981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7023.810981][ T10] [ 7023.813235][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7023.813235][ T10] netdev_get_by_index+0x5e/0x80 [ 7023.813235][ T10] fib6_nh_init+0x3d8/0x1580 [ 7023.813235][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7023.813235][ T10] ip6_route_add+0x1c/0x140 [ 7023.813235][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7023.813235][ T10] addrconf_add_dev+0xe2/0x170 [ 7023.813235][ T10] inet6_addr_add+0x12f/0xa40 [ 7023.813235][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7023.813235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7023.813235][ T10] netlink_rcv_skb+0x130/0x360 [ 7023.813235][ T10] netlink_unicast+0x449/0x710 [ 7023.813235][ T10] netlink_sendmsg+0x723/0xbe0 [ 7023.813235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7023.813235][ T10] ___sys_sendmsg+0xee/0x170 [ 7023.813235][ T10] __sys_sendmsg+0xcd/0x170 [ 7023.813235][ T10] do_syscall_64+0xc6/0x1e0 [ 7023.813235][ T10] [ 7023.815475][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7023.815475][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7023.815475][ T10] ipv6_find_idev+0x102/0x170 [ 7023.815475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7023.815475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7023.815475][ T10] netlink_rcv_skb+0x130/0x360 [ 7023.815475][ T10] netlink_unicast+0x449/0x710 [ 7023.815475][ T10] netlink_sendmsg+0x723/0xbe0 [ 7023.815475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7023.815475][ T10] ___sys_sendmsg+0xee/0x170 [ 7023.815475][ T10] __sys_sendmsg+0xcd/0x170 [ 7023.815475][ T10] do_syscall_64+0xc6/0x1e0 [ 7023.815475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7023.815475][ T10] [ 7023.817228][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7023.817228][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7023.817228][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7023.817228][ T10] ipv6_find_idev+0x102/0x170 [ 7023.817228][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7023.817228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7023.817228][ T10] netlink_rcv_skb+0x130/0x360 [ 7023.817228][ T10] netlink_unicast+0x449/0x710 [ 7023.817228][ T10] netlink_sendmsg+0x723/0xbe0 [ 7023.817228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7023.817228][ T10] ___sys_sendmsg+0xee/0x170 [ 7023.817228][ T10] __sys_sendmsg+0xcd/0x170 [ 7023.817228][ T10] do_syscall_64+0xc6/0x1e0 [ 7023.817228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7023.817228][ T10] [ 7023.819155][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7023.819431][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7023.819431][ T10] netdev_get_by_index+0x5e/0x80 [ 7023.819431][ T10] fib6_nh_init+0x3d8/0x1580 [ 7023.819431][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7023.819431][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7023.819431][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7023.819431][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7023.819431][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7023.819431][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7023.819431][ T10] addrconf_dad_begin+0x310/0x670 [ 7023.819431][ T10] addrconf_dad_work+0x10b/0xab0 [ 7023.819431][ T10] process_one_work+0x84d/0x18a0 [ 7023.819431][ T10] worker_thread+0x587/0xd30 [ 7023.819431][ T10] kthread+0x28a/0x350 [ 7023.819431][ T10] ret_from_fork+0x31/0x70 [ 7023.819431][ T10] ret_from_fork_asm+0x1a/0x30 [ 7023.819431][ T10] [ 7023.821597][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7023.821597][ T10] netdev_get_by_index+0x5e/0x80 [ 7023.821597][ T10] fib6_nh_init+0x3d8/0x1580 [ 7023.821597][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7023.821597][ T10] ip6_route_add+0x1c/0x140 [ 7023.821597][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7023.821597][ T10] inet6_addr_add+0x4f8/0xa40 [ 7023.821597][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7023.821597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7023.821597][ T10] netlink_rcv_skb+0x130/0x360 [ 7023.821597][ T10] netlink_unicast+0x449/0x710 [ 7023.821597][ T10] netlink_sendmsg+0x723/0xbe0 [ 7023.821597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7023.821597][ T10] ___sys_sendmsg+0xee/0x170 [ 7023.821597][ T10] __sys_sendmsg+0xcd/0x170 [ 7023.821597][ T10] do_syscall_64+0xc6/0x1e0 [ 7023.821597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7023.821597][ T10] [ 7023.824077][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7023.824077][ T10] netdev_get_by_index+0x5e/0x80 [ 7023.824077][ T10] fib6_nh_init+0x3d8/0x1580 [ 7023.824077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7023.824077][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7023.824077][ T10] ipv6_add_addr+0x411/0x2000 [ 7023.824077][ T10] inet6_addr_add+0x30e/0xa40 [ 7023.824077][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7023.824077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7023.824077][ T10] netlink_rcv_skb+0x130/0x360 [ 7023.824077][ T10] netlink_unicast+0x449/0x710 [ 7023.824077][ T10] netlink_sendmsg+0x723/0xbe0 [ 7023.824077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7023.824077][ T10] ___sys_sendmsg+0xee/0x170 [ 7023.824077][ T10] __sys_sendmsg+0xcd/0x170 [ 7023.824077][ T10] do_syscall_64+0xc6/0x1e0 [ 7023.824077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7023.824077][ T10] [ 7023.826587][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7023.826587][ T10] netdev_get_by_index+0x5e/0x80 [ 7023.826587][ T10] fib6_nh_init+0x3d8/0x1580 [ 7023.826587][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7023.826587][ T10] ip6_route_add+0x1c/0x140 [ 7023.826587][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7023.826587][ T10] addrconf_add_dev+0xe2/0x170 [ 7023.826587][ T10] inet6_addr_add+0x12f/0xa40 [ 7023.826587][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7023.826587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7023.826587][ T10] netlink_rcv_skb+0x130/0x360 [ 7023.826587][ T10] netlink_unicast+0x449/0x710 [ 7023.826587][ T10] netlink_sendmsg+0x723/0xbe0 [ 7023.826587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7023.826587][ T10] ___sys_sendmsg+0xee/0x170 [ 7023.826587][ T10] __sys_sendmsg+0xcd/0x170 [ 7023.826587][ T10] do_syscall_64+0xc6/0x1e0 [ 7023.826587][ T10] [ 7023.829342][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7023.829342][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7023.829342][ T10] ipv6_find_idev+0x102/0x170 [ 7023.829342][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7023.829342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7023.829342][ T10] netlink_rcv_skb+0x130/0x360 [ 7023.829342][ T10] netlink_unicast+0x449/0x710 [ 7023.829342][ T10] netlink_sendmsg+0x723/0xbe0 [ 7023.829342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7023.829342][ T10] ___sys_sendmsg+0xee/0x170 [ 7023.829342][ T10] __sys_sendmsg+0xcd/0x170 [ 7023.829342][ T10] do_syscall_64+0xc6/0x1e0 [ 7023.829342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7023.829342][ T10] [ 7023.831272][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7023.831272][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7023.831272][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7023.831272][ T10] ipv6_find_idev+0x102/0x170 [ 7023.831272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7023.831272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7023.831272][ T10] netlink_rcv_skb+0x130/0x360 [ 7023.831272][ T10] netlink_unicast+0x449/0x710 [ 7023.831272][ T10] netlink_sendmsg+0x723/0xbe0 [ 7023.831272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7023.831272][ T10] ___sys_sendmsg+0xee/0x170 [ 7023.831272][ T10] __sys_sendmsg+0xcd/0x170 [ 7023.831272][ T10] do_syscall_64+0xc6/0x1e0 [ 7023.831272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7023.831272][ T10] [ 7023.833441][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7023.833707][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7023.833707][ T10] netdev_get_by_index+0x5e/0x80 [ 7023.833707][ T10] fib6_nh_init+0x3d8/0x1580 [ 7023.833707][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7023.833707][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7023.833707][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7023.833707][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7023.833707][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7023.833707][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7023.833707][ T10] addrconf_dad_begin+0x310/0x670 [ 7023.833707][ T10] addrconf_dad_work+0x10b/0xab0 [ 7023.833707][ T10] process_one_work+0x84d/0x18a0 [ 7023.833707][ T10] worker_thread+0x587/0xd30 [ 7023.833707][ T10] kthread+0x28a/0x350 [ 7023.833707][ T10] ret_from_fork+0x31/0x70 [ 7023.833707][ T10] ret_from_fork_asm+0x1a/0x30 [ 7023.833707][ T10] [ 7023.836123][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7023.836123][ T10] netdev_get_by_index+0x5e/0x80 [ 7023.836123][ T10] fib6_nh_init+0x3d8/0x1580 [ 7023.836123][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7023.836123][ T10] ip6_route_add+0x1c/0x140 [ 7023.836123][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7023.836123][ T10] inet6_addr_add+0x4f8/0xa40 [ 7023.836123][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7023.836123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7023.836123][ T10] netlink_rcv_skb+0x130/0x360 [ 7023.836123][ T10] netlink_unicast+0x449/0x710 [ 7023.836123][ T10] netlink_sendmsg+0x723/0xbe0 [ 7023.836123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7023.836123][ T10] ___sys_sendmsg+0xee/0x170 [ 7023.836123][ T10] __sys_sendmsg+0xcd/0x170 [ 7023.836123][ T10] do_syscall_64+0xc6/0x1e0 [ 7023.836123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7023.836123][ T10] [ 7023.838629][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7023.838629][ T10] netdev_get_by_index+0x5e/0x80 [ 7023.838629][ T10] fib6_nh_init+0x3d8/0x1580 [ 7023.838629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7023.838629][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7023.838629][ T10] ipv6_add_addr+0x411/0x2000 [ 7023.838629][ T10] inet6_addr_add+0x30e/0xa40 [ 7023.838629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7023.838629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7023.838629][ T10] netlink_rcv_skb+0x130/0x360 [ 7023.838629][ T10] netlink_unicast+0x449/0x710 [ 7023.838629][ T10] netlink_sendmsg+0x723/0xbe0 [ 7023.838629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7023.838629][ T10] ___sys_sendmsg+0xee/0x170 [ 7023.838629][ T10] __sys_sendmsg+0xcd/0x170 [ 7023.838629][ T10] do_syscall_64+0xc6/0x1e0 [ 7023.838629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7023.838629][ T10] [ 7023.841094][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7023.841094][ T10] netdev_get_by_index+0x5e/0x80 [ 7023.841094][ T10] fib6_nh_init+0x3d8/0x1580 [ 7023.841094][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7023.841094][ T10] ip6_route_add+0x1c/0x140 [ 7023.841094][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7023.841094][ T10] addrconf_add_dev+0xe2/0x170 [ 7023.841094][ T10] inet6_addr_add+0x12f/0xa40 [ 7023.841094][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7023.841094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7023.841094][ T10] netlink_rcv_skb+0x130/0x360 [ 7023.841094][ T10] netlink_unicast+0x449/0x710 [ 7023.841094][ T10] netlink_sendmsg+0x723/0xbe0 [ 7023.841094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7023.841094][ T10] ___sys_sendmsg+0xee/0x170 [ 7023.841094][ T10] __sys_sendmsg+0xcd/0x170 [ 7023.841094][ T10] do_syscall_64+0xc6/0x1e0 [ 7023.841094][ T10] [ 7023.843624][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7023.843624][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7023.843624][ T10] ipv6_find_idev+0x102/0x170 [ 7023.843624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7023.843624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7023.843624][ T10] netlink_rcv_skb+0x130/0x360 [ 7023.843624][ T10] netlink_unicast+0x449/0x710 [ 7023.843624][ T10] netlink_sendmsg+0x723/0xbe0 [ 7023.843624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7023.843624][ T10] ___sys_sendmsg+0xee/0x170 [ 7023.843624][ T10] __sys_sendmsg+0xcd/0x170 [ 7023.843624][ T10] do_syscall_64+0xc6/0x1e0 [ 7023.843624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7023.843624][ T10] [ 7023.845567][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7023.845567][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7023.845567][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7023.845567][ T10] ipv6_find_idev+0x102/0x170 [ 7023.845567][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7023.845567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7023.845567][ T10] netlink_rcv_skb+0x130/0x360 [ 7023.845567][ T10] netlink_unicast+0x449/0x710 [ 7023.845567][ T10] netlink_sendmsg+0x723/0xbe0 [ 7023.845567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7023.845567][ T10] ___sys_sendmsg+0xee/0x170 [ 7023.845567][ T10] __sys_sendmsg+0xcd/0x170 [ 7023.845567][ T10] do_syscall_64+0xc6/0x1e0 [ 7023.845567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7023.845567][ T10] [ 7029.513115][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7029.513665][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7029.513665][ T1167] dst_init+0x84/0x4a0 [ 7029.513665][ T1167] dst_alloc+0x97/0x150 [ 7029.513665][ T1167] ip6_dst_alloc+0x23/0x90 [ 7029.513665][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7029.513665][ T1167] ip6_pol_route+0x56f/0x840 [ 7029.513665][ T1167] fib6_rule_lookup+0x334/0x630 [ 7029.513665][ T1167] ip6_route_output_flags+0x259/0x480 [ 7029.513665][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7029.513665][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7029.513665][ T1167] netlink_rcv_skb+0x130/0x360 [ 7029.513665][ T1167] netlink_unicast+0x449/0x710 [ 7029.513665][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7029.513665][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7029.513665][ T1167] ___sys_sendmsg+0xee/0x170 [ 7029.513665][ T1167] __sys_sendmsg+0xcd/0x170 [ 7029.513665][ T1167] do_syscall_64+0xc6/0x1e0 [ 7029.513665][ T1167] [ 7029.516147][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7029.516147][ T1167] netdev_get_by_index+0x5e/0x80 [ 7029.516147][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7029.516147][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7029.516147][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7029.516147][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7029.516147][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7029.516147][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7029.516147][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7029.516147][ T1167] addrconf_dad_begin+0x310/0x670 [ 7029.516147][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7029.516147][ T1167] process_one_work+0x84d/0x18a0 [ 7029.516147][ T1167] worker_thread+0x587/0xd30 [ 7029.516147][ T1167] kthread+0x28a/0x350 [ 7029.516147][ T1167] ret_from_fork+0x31/0x70 [ 7029.516147][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7029.516147][ T1167] [ 7029.518573][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7029.518573][ T1167] netdev_get_by_index+0x5e/0x80 [ 7029.518573][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7029.518573][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7029.518573][ T1167] ip6_route_add+0x1c/0x140 [ 7029.518573][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7029.518573][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7029.518573][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7029.518573][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7029.518573][ T1167] netlink_rcv_skb+0x130/0x360 [ 7029.518573][ T1167] netlink_unicast+0x449/0x710 [ 7029.518573][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7029.518573][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7029.518573][ T1167] ___sys_sendmsg+0xee/0x170 [ 7029.518573][ T1167] __sys_sendmsg+0xcd/0x170 [ 7029.518573][ T1167] do_syscall_64+0xc6/0x1e0 [ 7029.518573][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7029.518573][ T1167] [ 7029.521095][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7029.521095][ T1167] netdev_get_by_index+0x5e/0x80 [ 7029.521095][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7029.521095][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7029.521095][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7029.521095][ T1167] ipv6_add_addr+0x411/0x2000 [ 7029.521095][ T1167] inet6_addr_add+0x30e/0xa40 [ 7029.521095][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7029.521095][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7029.521095][ T1167] netlink_rcv_skb+0x130/0x360 [ 7029.521095][ T1167] netlink_unicast+0x449/0x710 [ 7029.521095][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7029.521095][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7029.521095][ T1167] ___sys_sendmsg+0xee/0x170 [ 7029.521095][ T1167] __sys_sendmsg+0xcd/0x170 [ 7029.521095][ T1167] do_syscall_64+0xc6/0x1e0 [ 7029.521095][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7029.521095][ T1167] [ 7029.523614][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7029.523614][ T1167] netdev_get_by_index+0x5e/0x80 [ 7029.523614][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7029.523614][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7029.523614][ T1167] ip6_route_add+0x1c/0x140 [ 7029.523614][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7029.523614][ T1167] addrconf_add_dev+0xe2/0x170 [ 7029.523614][ T1167] inet6_addr_add+0x12f/0xa40 [ 7029.523614][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7029.523614][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7029.523614][ T1167] netlink_rcv_skb+0x130/0x360 [ 7029.523614][ T1167] netlink_unicast+0x449/0x710 [ 7029.523614][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7029.523614][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7029.523614][ T1167] ___sys_sendmsg+0xee/0x170 [ 7029.523614][ T1167] __sys_sendmsg+0xcd/0x170 [ 7029.523614][ T1167] do_syscall_64+0xc6/0x1e0 [ 7029.523614][ T1167] [ 7029.526108][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7029.526108][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7029.526108][ T1167] ipv6_find_idev+0x102/0x170 [ 7029.526108][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7029.526108][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7029.526108][ T1167] netlink_rcv_skb+0x130/0x360 [ 7029.526108][ T1167] netlink_unicast+0x449/0x710 [ 7029.526108][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7029.526108][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7029.526108][ T1167] ___sys_sendmsg+0xee/0x170 [ 7029.526108][ T1167] __sys_sendmsg+0xcd/0x170 [ 7029.526108][ T1167] do_syscall_64+0xc6/0x1e0 [ 7029.526108][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7029.526108][ T1167] [ 7029.528066][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7029.528066][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7029.528066][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7029.528066][ T1167] ipv6_find_idev+0x102/0x170 [ 7029.528066][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7029.528066][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7029.528066][ T1167] netlink_rcv_skb+0x130/0x360 [ 7029.528066][ T1167] netlink_unicast+0x449/0x710 [ 7029.528066][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7029.528066][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7029.528066][ T1167] ___sys_sendmsg+0xee/0x170 [ 7029.528066][ T1167] __sys_sendmsg+0xcd/0x170 [ 7029.528066][ T1167] do_syscall_64+0xc6/0x1e0 [ 7029.528066][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7029.528066][ T1167] [ 7034.089153][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7034.089631][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7034.089631][ T10] netdev_get_by_index+0x5e/0x80 [ 7034.089631][ T10] fib6_nh_init+0x3d8/0x1580 [ 7034.089631][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7034.089631][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7034.089631][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7034.089631][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7034.089631][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7034.089631][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7034.089631][ T10] addrconf_dad_begin+0x310/0x670 [ 7034.089631][ T10] addrconf_dad_work+0x10b/0xab0 [ 7034.089631][ T10] process_one_work+0x84d/0x18a0 [ 7034.089631][ T10] worker_thread+0x587/0xd30 [ 7034.089631][ T10] kthread+0x28a/0x350 [ 7034.089631][ T10] ret_from_fork+0x31/0x70 [ 7034.089631][ T10] ret_from_fork_asm+0x1a/0x30 [ 7034.089631][ T10] [ 7034.091833][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7034.091833][ T10] netdev_get_by_index+0x5e/0x80 [ 7034.091833][ T10] fib6_nh_init+0x3d8/0x1580 [ 7034.091833][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7034.091833][ T10] ip6_route_add+0x1c/0x140 [ 7034.091833][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7034.091833][ T10] inet6_addr_add+0x4f8/0xa40 [ 7034.091833][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7034.091833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.091833][ T10] netlink_rcv_skb+0x130/0x360 [ 7034.091833][ T10] netlink_unicast+0x449/0x710 [ 7034.091833][ T10] netlink_sendmsg+0x723/0xbe0 [ 7034.091833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7034.091833][ T10] ___sys_sendmsg+0xee/0x170 [ 7034.091833][ T10] __sys_sendmsg+0xcd/0x170 [ 7034.091833][ T10] do_syscall_64+0xc6/0x1e0 [ 7034.091833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7034.091833][ T10] [ 7034.094109][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7034.094109][ T10] netdev_get_by_index+0x5e/0x80 [ 7034.094109][ T10] fib6_nh_init+0x3d8/0x1580 [ 7034.094109][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7034.094109][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7034.094109][ T10] ipv6_add_addr+0x411/0x2000 [ 7034.094109][ T10] inet6_addr_add+0x30e/0xa40 [ 7034.094109][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7034.094109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.094109][ T10] netlink_rcv_skb+0x130/0x360 [ 7034.094109][ T10] netlink_unicast+0x449/0x710 [ 7034.094109][ T10] netlink_sendmsg+0x723/0xbe0 [ 7034.094109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7034.094109][ T10] ___sys_sendmsg+0xee/0x170 [ 7034.094109][ T10] __sys_sendmsg+0xcd/0x170 [ 7034.094109][ T10] do_syscall_64+0xc6/0x1e0 [ 7034.094109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7034.094109][ T10] [ 7034.096383][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7034.096383][ T10] netdev_get_by_index+0x5e/0x80 [ 7034.096383][ T10] fib6_nh_init+0x3d8/0x1580 [ 7034.096383][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7034.096383][ T10] ip6_route_add+0x1c/0x140 [ 7034.096383][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7034.096383][ T10] addrconf_add_dev+0xe2/0x170 [ 7034.096383][ T10] inet6_addr_add+0x12f/0xa40 [ 7034.096383][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7034.096383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.096383][ T10] netlink_rcv_skb+0x130/0x360 [ 7034.096383][ T10] netlink_unicast+0x449/0x710 [ 7034.096383][ T10] netlink_sendmsg+0x723/0xbe0 [ 7034.096383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7034.096383][ T10] ___sys_sendmsg+0xee/0x170 [ 7034.096383][ T10] __sys_sendmsg+0xcd/0x170 [ 7034.096383][ T10] do_syscall_64+0xc6/0x1e0 [ 7034.096383][ T10] [ 7034.098629][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7034.098629][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7034.098629][ T10] ipv6_find_idev+0x102/0x170 [ 7034.098629][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7034.098629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.098629][ T10] netlink_rcv_skb+0x130/0x360 [ 7034.098629][ T10] netlink_unicast+0x449/0x710 [ 7034.098629][ T10] netlink_sendmsg+0x723/0xbe0 [ 7034.098629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7034.098629][ T10] ___sys_sendmsg+0xee/0x170 [ 7034.098629][ T10] __sys_sendmsg+0xcd/0x170 [ 7034.098629][ T10] do_syscall_64+0xc6/0x1e0 [ 7034.098629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7034.098629][ T10] [ 7034.100382][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7034.100382][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7034.100382][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7034.100382][ T10] ipv6_find_idev+0x102/0x170 [ 7034.100382][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7034.100382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.100382][ T10] netlink_rcv_skb+0x130/0x360 [ 7034.100382][ T10] netlink_unicast+0x449/0x710 [ 7034.100382][ T10] netlink_sendmsg+0x723/0xbe0 [ 7034.100382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7034.100382][ T10] ___sys_sendmsg+0xee/0x170 [ 7034.100382][ T10] __sys_sendmsg+0xcd/0x170 [ 7034.100382][ T10] do_syscall_64+0xc6/0x1e0 [ 7034.100382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7034.100382][ T10] [ 7034.102329][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7034.102598][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7034.102598][ T10] netdev_get_by_index+0x5e/0x80 [ 7034.102598][ T10] fib6_nh_init+0x3d8/0x1580 [ 7034.102598][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7034.102598][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7034.102598][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7034.102598][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7034.102598][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7034.102598][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7034.102598][ T10] addrconf_dad_begin+0x310/0x670 [ 7034.102598][ T10] addrconf_dad_work+0x10b/0xab0 [ 7034.102598][ T10] process_one_work+0x84d/0x18a0 [ 7034.102598][ T10] worker_thread+0x587/0xd30 [ 7034.102598][ T10] kthread+0x28a/0x350 [ 7034.102598][ T10] ret_from_fork+0x31/0x70 [ 7034.102598][ T10] ret_from_fork_asm+0x1a/0x30 [ 7034.102598][ T10] [ 7034.104776][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7034.104776][ T10] netdev_get_by_index+0x5e/0x80 [ 7034.104776][ T10] fib6_nh_init+0x3d8/0x1580 [ 7034.104776][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7034.104776][ T10] ip6_route_add+0x1c/0x140 [ 7034.104776][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7034.104776][ T10] inet6_addr_add+0x4f8/0xa40 [ 7034.104776][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7034.104776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.104776][ T10] netlink_rcv_skb+0x130/0x360 [ 7034.104776][ T10] netlink_unicast+0x449/0x710 [ 7034.104776][ T10] netlink_sendmsg+0x723/0xbe0 [ 7034.104776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7034.104776][ T10] ___sys_sendmsg+0xee/0x170 [ 7034.104776][ T10] __sys_sendmsg+0xcd/0x170 [ 7034.104776][ T10] do_syscall_64+0xc6/0x1e0 [ 7034.104776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7034.104776][ T10] [ 7034.107060][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7034.107060][ T10] netdev_get_by_index+0x5e/0x80 [ 7034.107060][ T10] fib6_nh_init+0x3d8/0x1580 [ 7034.107060][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7034.107060][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7034.107060][ T10] ipv6_add_addr+0x411/0x2000 [ 7034.107060][ T10] inet6_addr_add+0x30e/0xa40 [ 7034.107060][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7034.107060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.107060][ T10] netlink_rcv_skb+0x130/0x360 [ 7034.107060][ T10] netlink_unicast+0x449/0x710 [ 7034.107060][ T10] netlink_sendmsg+0x723/0xbe0 [ 7034.107060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7034.107060][ T10] ___sys_sendmsg+0xee/0x170 [ 7034.107060][ T10] __sys_sendmsg+0xcd/0x170 [ 7034.107060][ T10] do_syscall_64+0xc6/0x1e0 [ 7034.107060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7034.107060][ T10] [ 7034.109335][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7034.109335][ T10] netdev_get_by_index+0x5e/0x80 [ 7034.109335][ T10] fib6_nh_init+0x3d8/0x1580 [ 7034.109335][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7034.109335][ T10] ip6_route_add+0x1c/0x140 [ 7034.109335][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7034.109335][ T10] addrconf_add_dev+0xe2/0x170 [ 7034.109335][ T10] inet6_addr_add+0x12f/0xa40 [ 7034.109335][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7034.109335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.109335][ T10] netlink_rcv_skb+0x130/0x360 [ 7034.109335][ T10] netlink_unicast+0x449/0x710 [ 7034.109335][ T10] netlink_sendmsg+0x723/0xbe0 [ 7034.109335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7034.109335][ T10] ___sys_sendmsg+0xee/0x170 [ 7034.109335][ T10] __sys_sendmsg+0xcd/0x170 [ 7034.109335][ T10] do_syscall_64+0xc6/0x1e0 [ 7034.109335][ T10] [ 7034.111570][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7034.111570][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7034.111570][ T10] ipv6_find_idev+0x102/0x170 [ 7034.111570][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7034.111570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.111570][ T10] netlink_rcv_skb+0x130/0x360 [ 7034.111570][ T10] netlink_unicast+0x449/0x710 [ 7034.111570][ T10] netlink_sendmsg+0x723/0xbe0 [ 7034.111570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7034.111570][ T10] ___sys_sendmsg+0xee/0x170 [ 7034.111570][ T10] __sys_sendmsg+0xcd/0x170 [ 7034.111570][ T10] do_syscall_64+0xc6/0x1e0 [ 7034.111570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7034.111570][ T10] [ 7034.113326][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7034.113326][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7034.113326][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7034.113326][ T10] ipv6_find_idev+0x102/0x170 [ 7034.113326][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7034.113326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.113326][ T10] netlink_rcv_skb+0x130/0x360 [ 7034.113326][ T10] netlink_unicast+0x449/0x710 [ 7034.113326][ T10] netlink_sendmsg+0x723/0xbe0 [ 7034.113326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7034.113326][ T10] ___sys_sendmsg+0xee/0x170 [ 7034.113326][ T10] __sys_sendmsg+0xcd/0x170 [ 7034.113326][ T10] do_syscall_64+0xc6/0x1e0 [ 7034.113326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7034.113326][ T10] [ 7034.115250][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7034.115522][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7034.115522][ T10] netdev_get_by_index+0x5e/0x80 [ 7034.115522][ T10] fib6_nh_init+0x3d8/0x1580 [ 7034.115522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7034.115522][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7034.115522][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7034.115522][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7034.115522][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7034.115522][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7034.115522][ T10] addrconf_dad_begin+0x310/0x670 [ 7034.115522][ T10] addrconf_dad_work+0x10b/0xab0 [ 7034.115522][ T10] process_one_work+0x84d/0x18a0 [ 7034.115522][ T10] worker_thread+0x587/0xd30 [ 7034.115522][ T10] kthread+0x28a/0x350 [ 7034.115522][ T10] ret_from_fork+0x31/0x70 [ 7034.115522][ T10] ret_from_fork_asm+0x1a/0x30 [ 7034.115522][ T10] [ 7034.117684][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7034.117684][ T10] netdev_get_by_index+0x5e/0x80 [ 7034.117684][ T10] fib6_nh_init+0x3d8/0x1580 [ 7034.117684][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7034.117684][ T10] ip6_route_add+0x1c/0x140 [ 7034.117684][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7034.117684][ T10] inet6_addr_add+0x4f8/0xa40 [ 7034.117684][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7034.117684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.117684][ T10] netlink_rcv_skb+0x130/0x360 [ 7034.117684][ T10] netlink_unicast+0x449/0x710 [ 7034.117684][ T10] netlink_sendmsg+0x723/0xbe0 [ 7034.117684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7034.117684][ T10] ___sys_sendmsg+0xee/0x170 [ 7034.117684][ T10] __sys_sendmsg+0xcd/0x170 [ 7034.117684][ T10] do_syscall_64+0xc6/0x1e0 [ 7034.117684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7034.117684][ T10] [ 7034.120137][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7034.120137][ T10] netdev_get_by_index+0x5e/0x80 [ 7034.120137][ T10] fib6_nh_init+0x3d8/0x1580 [ 7034.120137][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7034.120137][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7034.120137][ T10] ipv6_add_addr+0x411/0x2000 [ 7034.120137][ T10] inet6_addr_add+0x30e/0xa40 [ 7034.120137][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7034.120137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.120137][ T10] netlink_rcv_skb+0x130/0x360 [ 7034.120137][ T10] netlink_unicast+0x449/0x710 [ 7034.120137][ T10] netlink_sendmsg+0x723/0xbe0 [ 7034.120137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7034.120137][ T10] ___sys_sendmsg+0xee/0x170 [ 7034.120137][ T10] __sys_sendmsg+0xcd/0x170 [ 7034.120137][ T10] do_syscall_64+0xc6/0x1e0 [ 7034.120137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7034.120137][ T10] [ 7034.122622][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7034.122622][ T10] netdev_get_by_index+0x5e/0x80 [ 7034.122622][ T10] fib6_nh_init+0x3d8/0x1580 [ 7034.122622][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7034.122622][ T10] ip6_route_add+0x1c/0x140 [ 7034.122622][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7034.122622][ T10] addrconf_add_dev+0xe2/0x170 [ 7034.122622][ T10] inet6_addr_add+0x12f/0xa40 [ 7034.122622][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7034.122622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.122622][ T10] netlink_rcv_skb+0x130/0x360 [ 7034.122622][ T10] netlink_unicast+0x449/0x710 [ 7034.122622][ T10] netlink_sendmsg+0x723/0xbe0 [ 7034.122622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7034.122622][ T10] ___sys_sendmsg+0xee/0x170 [ 7034.122622][ T10] __sys_sendmsg+0xcd/0x170 [ 7034.122622][ T10] do_syscall_64+0xc6/0x1e0 [ 7034.122622][ T10] [ 7034.125096][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7034.125096][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7034.125096][ T10] ipv6_find_idev+0x102/0x170 [ 7034.125096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7034.125096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.125096][ T10] netlink_rcv_skb+0x130/0x360 [ 7034.125096][ T10] netlink_unicast+0x449/0x710 [ 7034.125096][ T10] netlink_sendmsg+0x723/0xbe0 [ 7034.125096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7034.125096][ T10] ___sys_sendmsg+0xee/0x170 [ 7034.125096][ T10] __sys_sendmsg+0xcd/0x170 [ 7034.125096][ T10] do_syscall_64+0xc6/0x1e0 [ 7034.125096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7034.125096][ T10] [ 7034.127080][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7034.127080][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7034.127080][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7034.127080][ T10] ipv6_find_idev+0x102/0x170 [ 7034.127080][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7034.127080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.127080][ T10] netlink_rcv_skb+0x130/0x360 [ 7034.127080][ T10] netlink_unicast+0x449/0x710 [ 7034.127080][ T10] netlink_sendmsg+0x723/0xbe0 [ 7034.127080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7034.127080][ T10] ___sys_sendmsg+0xee/0x170 [ 7034.127080][ T10] __sys_sendmsg+0xcd/0x170 [ 7034.127080][ T10] do_syscall_64+0xc6/0x1e0 [ 7034.127080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7034.127080][ T10] [ 7034.129171][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7034.129439][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7034.129439][ T10] netdev_get_by_index+0x5e/0x80 [ 7034.129439][ T10] fib6_nh_init+0x3d8/0x1580 [ 7034.129439][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7034.129439][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7034.129439][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7034.129439][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7034.129439][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7034.129439][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7034.129439][ T10] addrconf_dad_begin+0x310/0x670 [ 7034.129439][ T10] addrconf_dad_work+0x10b/0xab0 [ 7034.129439][ T10] process_one_work+0x84d/0x18a0 [ 7034.129439][ T10] worker_thread+0x587/0xd30 [ 7034.129439][ T10] kthread+0x28a/0x350 [ 7034.129439][ T10] ret_from_fork+0x31/0x70 [ 7034.129439][ T10] ret_from_fork_asm+0x1a/0x30 [ 7034.129439][ T10] [ 7034.131856][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7034.131856][ T10] netdev_get_by_index+0x5e/0x80 [ 7034.131856][ T10] fib6_nh_init+0x3d8/0x1580 [ 7034.131856][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7034.131856][ T10] ip6_route_add+0x1c/0x140 [ 7034.131856][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7034.131856][ T10] inet6_addr_add+0x4f8/0xa40 [ 7034.131856][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7034.131856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.131856][ T10] netlink_rcv_skb+0x130/0x360 [ 7034.131856][ T10] netlink_unicast+0x449/0x710 [ 7034.131856][ T10] netlink_sendmsg+0x723/0xbe0 [ 7034.131856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7034.131856][ T10] ___sys_sendmsg+0xee/0x170 [ 7034.131856][ T10] __sys_sendmsg+0xcd/0x170 [ 7034.131856][ T10] do_syscall_64+0xc6/0x1e0 [ 7034.131856][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7034.131856][ T10] [ 7034.134365][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7034.134365][ T10] netdev_get_by_index+0x5e/0x80 [ 7034.134365][ T10] fib6_nh_init+0x3d8/0x1580 [ 7034.134365][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7034.134365][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7034.134365][ T10] ipv6_add_addr+0x411/0x2000 [ 7034.134365][ T10] inet6_addr_add+0x30e/0xa40 [ 7034.134365][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7034.134365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.134365][ T10] netlink_rcv_skb+0x130/0x360 [ 7034.134365][ T10] netlink_unicast+0x449/0x710 [ 7034.134365][ T10] netlink_sendmsg+0x723/0xbe0 [ 7034.134365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7034.134365][ T10] ___sys_sendmsg+0xee/0x170 [ 7034.134365][ T10] __sys_sendmsg+0xcd/0x170 [ 7034.134365][ T10] do_syscall_64+0xc6/0x1e0 [ 7034.134365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7034.134365][ T10] [ 7034.136878][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7034.136878][ T10] netdev_get_by_index+0x5e/0x80 [ 7034.136878][ T10] fib6_nh_init+0x3d8/0x1580 [ 7034.136878][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7034.136878][ T10] ip6_route_add+0x1c/0x140 [ 7034.136878][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7034.136878][ T10] addrconf_add_dev+0xe2/0x170 [ 7034.136878][ T10] inet6_addr_add+0x12f/0xa40 [ 7034.136878][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7034.136878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.136878][ T10] netlink_rcv_skb+0x130/0x360 [ 7034.136878][ T10] netlink_unicast+0x449/0x710 [ 7034.136878][ T10] netlink_sendmsg+0x723/0xbe0 [ 7034.136878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7034.136878][ T10] ___sys_sendmsg+0xee/0x170 [ 7034.136878][ T10] __sys_sendmsg+0xcd/0x170 [ 7034.136878][ T10] do_syscall_64+0xc6/0x1e0 [ 7034.136878][ T10] [ 7034.139301][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7034.139301][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7034.139301][ T10] ipv6_find_idev+0x102/0x170 [ 7034.139301][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7034.139301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.139301][ T10] netlink_rcv_skb+0x130/0x360 [ 7034.139301][ T10] netlink_unicast+0x449/0x710 [ 7034.139301][ T10] netlink_sendmsg+0x723/0xbe0 [ 7034.139301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7034.139301][ T10] ___sys_sendmsg+0xee/0x170 [ 7034.139301][ T10] __sys_sendmsg+0xcd/0x170 [ 7034.139301][ T10] do_syscall_64+0xc6/0x1e0 [ 7034.139301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7034.139301][ T10] [ 7034.141115][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7034.141115][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7034.141115][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7034.141115][ T10] ipv6_find_idev+0x102/0x170 [ 7034.141115][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7034.141115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.141115][ T10] netlink_rcv_skb+0x130/0x360 [ 7034.141115][ T10] netlink_unicast+0x449/0x710 [ 7034.141115][ T10] netlink_sendmsg+0x723/0xbe0 [ 7034.141115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7034.141115][ T10] ___sys_sendmsg+0xee/0x170 [ 7034.141115][ T10] __sys_sendmsg+0xcd/0x170 [ 7034.141115][ T10] do_syscall_64+0xc6/0x1e0 [ 7034.141115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7034.141115][ T10] [ 7039.777110][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7039.777641][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7039.777641][ T1167] dst_init+0x84/0x4a0 [ 7039.777641][ T1167] dst_alloc+0x97/0x150 [ 7039.777641][ T1167] ip6_dst_alloc+0x23/0x90 [ 7039.777641][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7039.777641][ T1167] ip6_pol_route+0x56f/0x840 [ 7039.777641][ T1167] fib6_rule_lookup+0x334/0x630 [ 7039.777641][ T1167] ip6_route_output_flags+0x259/0x480 [ 7039.777641][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7039.777641][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7039.777641][ T1167] netlink_rcv_skb+0x130/0x360 [ 7039.777641][ T1167] netlink_unicast+0x449/0x710 [ 7039.777641][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7039.777641][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7039.777641][ T1167] ___sys_sendmsg+0xee/0x170 [ 7039.777641][ T1167] __sys_sendmsg+0xcd/0x170 [ 7039.777641][ T1167] do_syscall_64+0xc6/0x1e0 [ 7039.777641][ T1167] [ 7039.780082][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7039.780082][ T1167] netdev_get_by_index+0x5e/0x80 [ 7039.780082][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7039.780082][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7039.780082][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7039.780082][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7039.780082][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7039.780082][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7039.780082][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7039.780082][ T1167] addrconf_dad_begin+0x310/0x670 [ 7039.780082][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7039.780082][ T1167] process_one_work+0x84d/0x18a0 [ 7039.780082][ T1167] worker_thread+0x587/0xd30 [ 7039.780082][ T1167] kthread+0x28a/0x350 [ 7039.780082][ T1167] ret_from_fork+0x31/0x70 [ 7039.780082][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7039.780082][ T1167] [ 7039.782436][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7039.782436][ T1167] netdev_get_by_index+0x5e/0x80 [ 7039.782436][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7039.782436][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7039.782436][ T1167] ip6_route_add+0x1c/0x140 [ 7039.782436][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7039.782436][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7039.782436][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7039.782436][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7039.782436][ T1167] netlink_rcv_skb+0x130/0x360 [ 7039.782436][ T1167] netlink_unicast+0x449/0x710 [ 7039.782436][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7039.782436][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7039.782436][ T1167] ___sys_sendmsg+0xee/0x170 [ 7039.782436][ T1167] __sys_sendmsg+0xcd/0x170 [ 7039.782436][ T1167] do_syscall_64+0xc6/0x1e0 [ 7039.782436][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7039.782436][ T1167] [ 7039.784911][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7039.784911][ T1167] netdev_get_by_index+0x5e/0x80 [ 7039.784911][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7039.784911][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7039.784911][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7039.784911][ T1167] ipv6_add_addr+0x411/0x2000 [ 7039.784911][ T1167] inet6_addr_add+0x30e/0xa40 [ 7039.784911][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7039.784911][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7039.784911][ T1167] netlink_rcv_skb+0x130/0x360 [ 7039.784911][ T1167] netlink_unicast+0x449/0x710 [ 7039.784911][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7039.784911][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7039.784911][ T1167] ___sys_sendmsg+0xee/0x170 [ 7039.784911][ T1167] __sys_sendmsg+0xcd/0x170 [ 7039.784911][ T1167] do_syscall_64+0xc6/0x1e0 [ 7039.784911][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7039.784911][ T1167] [ 7039.787379][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7039.787379][ T1167] netdev_get_by_index+0x5e/0x80 [ 7039.787379][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7039.787379][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7039.787379][ T1167] ip6_route_add+0x1c/0x140 [ 7039.787379][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7039.787379][ T1167] addrconf_add_dev+0xe2/0x170 [ 7039.787379][ T1167] inet6_addr_add+0x12f/0xa40 [ 7039.787379][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7039.787379][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7039.787379][ T1167] netlink_rcv_skb+0x130/0x360 [ 7039.787379][ T1167] netlink_unicast+0x449/0x710 [ 7039.787379][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7039.787379][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7039.787379][ T1167] ___sys_sendmsg+0xee/0x170 [ 7039.787379][ T1167] __sys_sendmsg+0xcd/0x170 [ 7039.787379][ T1167] do_syscall_64+0xc6/0x1e0 [ 7039.787379][ T1167] [ 7039.789805][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7039.789805][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7039.789805][ T1167] ipv6_find_idev+0x102/0x170 [ 7039.789805][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7039.789805][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7039.789805][ T1167] netlink_rcv_skb+0x130/0x360 [ 7039.789805][ T1167] netlink_unicast+0x449/0x710 [ 7039.789805][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7039.789805][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7039.789805][ T1167] ___sys_sendmsg+0xee/0x170 [ 7039.789805][ T1167] __sys_sendmsg+0xcd/0x170 [ 7039.789805][ T1167] do_syscall_64+0xc6/0x1e0 [ 7039.789805][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7039.789805][ T1167] [ 7039.791708][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7039.791708][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7039.791708][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7039.791708][ T1167] ipv6_find_idev+0x102/0x170 [ 7039.791708][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7039.791708][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7039.791708][ T1167] netlink_rcv_skb+0x130/0x360 [ 7039.791708][ T1167] netlink_unicast+0x449/0x710 [ 7039.791708][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7039.791708][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7039.791708][ T1167] ___sys_sendmsg+0xee/0x170 [ 7039.791708][ T1167] __sys_sendmsg+0xcd/0x170 [ 7039.791708][ T1167] do_syscall_64+0xc6/0x1e0 [ 7039.791708][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7039.791708][ T1167] [ 7044.385104][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7044.385528][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7044.385528][ T10] netdev_get_by_index+0x5e/0x80 [ 7044.385528][ T10] fib6_nh_init+0x3d8/0x1580 [ 7044.385528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7044.385528][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7044.385528][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7044.385528][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7044.385528][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7044.385528][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7044.385528][ T10] addrconf_dad_begin+0x310/0x670 [ 7044.385528][ T10] addrconf_dad_work+0x10b/0xab0 [ 7044.385528][ T10] process_one_work+0x84d/0x18a0 [ 7044.385528][ T10] worker_thread+0x587/0xd30 [ 7044.385528][ T10] kthread+0x28a/0x350 [ 7044.385528][ T10] ret_from_fork+0x31/0x70 [ 7044.385528][ T10] ret_from_fork_asm+0x1a/0x30 [ 7044.385528][ T10] [ 7044.387501][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7044.387501][ T10] netdev_get_by_index+0x5e/0x80 [ 7044.387501][ T10] fib6_nh_init+0x3d8/0x1580 [ 7044.387501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7044.387501][ T10] ip6_route_add+0x1c/0x140 [ 7044.387501][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7044.387501][ T10] inet6_addr_add+0x4f8/0xa40 [ 7044.387501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7044.387501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7044.387501][ T10] netlink_rcv_skb+0x130/0x360 [ 7044.387501][ T10] netlink_unicast+0x449/0x710 [ 7044.387501][ T10] netlink_sendmsg+0x723/0xbe0 [ 7044.387501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7044.387501][ T10] ___sys_sendmsg+0xee/0x170 [ 7044.387501][ T10] __sys_sendmsg+0xcd/0x170 [ 7044.387501][ T10] do_syscall_64+0xc6/0x1e0 [ 7044.387501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7044.387501][ T10] [ 7044.389512][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7044.389512][ T10] netdev_get_by_index+0x5e/0x80 [ 7044.389512][ T10] fib6_nh_init+0x3d8/0x1580 [ 7044.389512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7044.389512][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7044.389512][ T10] ipv6_add_addr+0x411/0x2000 [ 7044.389512][ T10] inet6_addr_add+0x30e/0xa40 [ 7044.389512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7044.389512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7044.389512][ T10] netlink_rcv_skb+0x130/0x360 [ 7044.389512][ T10] netlink_unicast+0x449/0x710 [ 7044.389512][ T10] netlink_sendmsg+0x723/0xbe0 [ 7044.389512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7044.389512][ T10] ___sys_sendmsg+0xee/0x170 [ 7044.389512][ T10] __sys_sendmsg+0xcd/0x170 [ 7044.389512][ T10] do_syscall_64+0xc6/0x1e0 [ 7044.389512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7044.389512][ T10] [ 7044.391519][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7044.391519][ T10] netdev_get_by_index+0x5e/0x80 [ 7044.391519][ T10] fib6_nh_init+0x3d8/0x1580 [ 7044.391519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7044.391519][ T10] ip6_route_add+0x1c/0x140 [ 7044.391519][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7044.391519][ T10] addrconf_add_dev+0xe2/0x170 [ 7044.391519][ T10] inet6_addr_add+0x12f/0xa40 [ 7044.391519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7044.391519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7044.391519][ T10] netlink_rcv_skb+0x130/0x360 [ 7044.391519][ T10] netlink_unicast+0x449/0x710 [ 7044.391519][ T10] netlink_sendmsg+0x723/0xbe0 [ 7044.391519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7044.391519][ T10] ___sys_sendmsg+0xee/0x170 [ 7044.391519][ T10] __sys_sendmsg+0xcd/0x170 [ 7044.391519][ T10] do_syscall_64+0xc6/0x1e0 [ 7044.391519][ T10] [ 7044.393496][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7044.393496][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7044.393496][ T10] ipv6_find_idev+0x102/0x170 [ 7044.393496][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7044.393496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7044.393496][ T10] netlink_rcv_skb+0x130/0x360 [ 7044.393496][ T10] netlink_unicast+0x449/0x710 [ 7044.393496][ T10] netlink_sendmsg+0x723/0xbe0 [ 7044.393496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7044.393496][ T10] ___sys_sendmsg+0xee/0x170 [ 7044.393496][ T10] __sys_sendmsg+0xcd/0x170 [ 7044.393496][ T10] do_syscall_64+0xc6/0x1e0 [ 7044.393496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7044.393496][ T10] [ 7044.395053][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7044.395053][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7044.395053][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7044.395053][ T10] ipv6_find_idev+0x102/0x170 [ 7044.395053][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7044.395053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7044.395053][ T10] netlink_rcv_skb+0x130/0x360 [ 7044.395053][ T10] netlink_unicast+0x449/0x710 [ 7044.395053][ T10] netlink_sendmsg+0x723/0xbe0 [ 7044.395053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7044.395053][ T10] ___sys_sendmsg+0xee/0x170 [ 7044.395053][ T10] __sys_sendmsg+0xcd/0x170 [ 7044.395053][ T10] do_syscall_64+0xc6/0x1e0 [ 7044.395053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7044.395053][ T10] [ 7044.396751][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7044.396990][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7044.396990][ T10] netdev_get_by_index+0x5e/0x80 [ 7044.396990][ T10] fib6_nh_init+0x3d8/0x1580 [ 7044.396990][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7044.396990][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7044.396990][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7044.396990][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7044.396990][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7044.396990][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7044.396990][ T10] addrconf_dad_begin+0x310/0x670 [ 7044.396990][ T10] addrconf_dad_work+0x10b/0xab0 [ 7044.396990][ T10] process_one_work+0x84d/0x18a0 [ 7044.396990][ T10] worker_thread+0x587/0xd30 [ 7044.396990][ T10] kthread+0x28a/0x350 [ 7044.396990][ T10] ret_from_fork+0x31/0x70 [ 7044.396990][ T10] ret_from_fork_asm+0x1a/0x30 [ 7044.396990][ T10] [ 7044.398918][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7044.398918][ T10] netdev_get_by_index+0x5e/0x80 [ 7044.398918][ T10] fib6_nh_init+0x3d8/0x1580 [ 7044.398918][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7044.398918][ T10] ip6_route_add+0x1c/0x140 [ 7044.398918][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7044.398918][ T10] inet6_addr_add+0x4f8/0xa40 [ 7044.398918][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7044.398918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7044.398918][ T10] netlink_rcv_skb+0x130/0x360 [ 7044.398918][ T10] netlink_unicast+0x449/0x710 [ 7044.398918][ T10] netlink_sendmsg+0x723/0xbe0 [ 7044.398918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7044.398918][ T10] ___sys_sendmsg+0xee/0x170 [ 7044.398918][ T10] __sys_sendmsg+0xcd/0x170 [ 7044.398918][ T10] do_syscall_64+0xc6/0x1e0 [ 7044.398918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7044.398918][ T10] [ 7044.400919][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7044.400919][ T10] netdev_get_by_index+0x5e/0x80 [ 7044.400919][ T10] fib6_nh_init+0x3d8/0x1580 [ 7044.400919][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7044.400919][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7044.400919][ T10] ipv6_add_addr+0x411/0x2000 [ 7044.400919][ T10] inet6_addr_add+0x30e/0xa40 [ 7044.400919][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7044.400919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7044.400919][ T10] netlink_rcv_skb+0x130/0x360 [ 7044.400919][ T10] netlink_unicast+0x449/0x710 [ 7044.400919][ T10] netlink_sendmsg+0x723/0xbe0 [ 7044.400919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7044.400919][ T10] ___sys_sendmsg+0xee/0x170 [ 7044.400919][ T10] __sys_sendmsg+0xcd/0x170 [ 7044.400919][ T10] do_syscall_64+0xc6/0x1e0 [ 7044.400919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7044.400919][ T10] [ 7044.402928][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7044.402928][ T10] netdev_get_by_index+0x5e/0x80 [ 7044.402928][ T10] fib6_nh_init+0x3d8/0x1580 [ 7044.402928][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7044.402928][ T10] ip6_route_add+0x1c/0x140 [ 7044.402928][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7044.402928][ T10] addrconf_add_dev+0xe2/0x170 [ 7044.402928][ T10] inet6_addr_add+0x12f/0xa40 [ 7044.402928][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7044.402928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7044.402928][ T10] netlink_rcv_skb+0x130/0x360 [ 7044.402928][ T10] netlink_unicast+0x449/0x710 [ 7044.402928][ T10] netlink_sendmsg+0x723/0xbe0 [ 7044.402928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7044.402928][ T10] ___sys_sendmsg+0xee/0x170 [ 7044.402928][ T10] __sys_sendmsg+0xcd/0x170 [ 7044.402928][ T10] do_syscall_64+0xc6/0x1e0 [ 7044.402928][ T10] [ 7044.404909][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7044.404909][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7044.404909][ T10] ipv6_find_idev+0x102/0x170 [ 7044.404909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7044.404909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7044.404909][ T10] netlink_rcv_skb+0x130/0x360 [ 7044.404909][ T10] netlink_unicast+0x449/0x710 [ 7044.404909][ T10] netlink_sendmsg+0x723/0xbe0 [ 7044.404909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7044.404909][ T10] ___sys_sendmsg+0xee/0x170 [ 7044.404909][ T10] __sys_sendmsg+0xcd/0x170 [ 7044.404909][ T10] do_syscall_64+0xc6/0x1e0 [ 7044.404909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7044.404909][ T10] [ 7044.406473][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7044.406473][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7044.406473][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7044.406473][ T10] ipv6_find_idev+0x102/0x170 [ 7044.406473][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7044.406473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7044.406473][ T10] netlink_rcv_skb+0x130/0x360 [ 7044.406473][ T10] netlink_unicast+0x449/0x710 [ 7044.406473][ T10] netlink_sendmsg+0x723/0xbe0 [ 7044.406473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7044.406473][ T10] ___sys_sendmsg+0xee/0x170 [ 7044.406473][ T10] __sys_sendmsg+0xcd/0x170 [ 7044.406473][ T10] do_syscall_64+0xc6/0x1e0 [ 7044.406473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7044.406473][ T10] [ 7044.408179][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7044.408425][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7044.408425][ T10] netdev_get_by_index+0x5e/0x80 [ 7044.408425][ T10] fib6_nh_init+0x3d8/0x1580 [ 7044.408425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7044.408425][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7044.408425][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7044.408425][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7044.408425][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7044.408425][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7044.408425][ T10] addrconf_dad_begin+0x310/0x670 [ 7044.408425][ T10] addrconf_dad_work+0x10b/0xab0 [ 7044.408425][ T10] process_one_work+0x84d/0x18a0 [ 7044.408425][ T10] worker_thread+0x587/0xd30 [ 7044.408425][ T10] kthread+0x28a/0x350 [ 7044.408425][ T10] ret_from_fork+0x31/0x70 [ 7044.408425][ T10] ret_from_fork_asm+0x1a/0x30 [ 7044.408425][ T10] [ 7044.410350][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7044.410350][ T10] netdev_get_by_index+0x5e/0x80 [ 7044.410350][ T10] fib6_nh_init+0x3d8/0x1580 [ 7044.410350][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7044.410350][ T10] ip6_route_add+0x1c/0x140 [ 7044.410350][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7044.410350][ T10] inet6_addr_add+0x4f8/0xa40 [ 7044.410350][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7044.410350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7044.410350][ T10] netlink_rcv_skb+0x130/0x360 [ 7044.410350][ T10] netlink_unicast+0x449/0x710 [ 7044.410350][ T10] netlink_sendmsg+0x723/0xbe0 [ 7044.410350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7044.410350][ T10] ___sys_sendmsg+0xee/0x170 [ 7044.410350][ T10] __sys_sendmsg+0xcd/0x170 [ 7044.410350][ T10] do_syscall_64+0xc6/0x1e0 [ 7044.410350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7044.410350][ T10] [ 7044.412546][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7044.412546][ T10] netdev_get_by_index+0x5e/0x80 [ 7044.412546][ T10] fib6_nh_init+0x3d8/0x1580 [ 7044.412546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7044.412546][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7044.412546][ T10] ipv6_add_addr+0x411/0x2000 [ 7044.412546][ T10] inet6_addr_add+0x30e/0xa40 [ 7044.412546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7044.412546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7044.412546][ T10] netlink_rcv_skb+0x130/0x360 [ 7044.412546][ T10] netlink_unicast+0x449/0x710 [ 7044.412546][ T10] netlink_sendmsg+0x723/0xbe0 [ 7044.412546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7044.412546][ T10] ___sys_sendmsg+0xee/0x170 [ 7044.412546][ T10] __sys_sendmsg+0xcd/0x170 [ 7044.412546][ T10] do_syscall_64+0xc6/0x1e0 [ 7044.412546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7044.412546][ T10] [ 7044.414705][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7044.414705][ T10] netdev_get_by_index+0x5e/0x80 [ 7044.414705][ T10] fib6_nh_init+0x3d8/0x1580 [ 7044.414705][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7044.414705][ T10] ip6_route_add+0x1c/0x140 [ 7044.414705][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7044.414705][ T10] addrconf_add_dev+0xe2/0x170 [ 7044.414705][ T10] inet6_addr_add+0x12f/0xa40 [ 7044.414705][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7044.414705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7044.414705][ T10] netlink_rcv_skb+0x130/0x360 [ 7044.414705][ T10] netlink_unicast+0x449/0x710 [ 7044.414705][ T10] netlink_sendmsg+0x723/0xbe0 [ 7044.414705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7044.414705][ T10] ___sys_sendmsg+0xee/0x170 [ 7044.414705][ T10] __sys_sendmsg+0xcd/0x170 [ 7044.414705][ T10] do_syscall_64+0xc6/0x1e0 [ 7044.414705][ T10] [ 7044.416840][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7044.416840][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7044.416840][ T10] ipv6_find_idev+0x102/0x170 [ 7044.416840][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7044.416840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7044.416840][ T10] netlink_rcv_skb+0x130/0x360 [ 7044.416840][ T10] netlink_unicast+0x449/0x710 [ 7044.416840][ T10] netlink_sendmsg+0x723/0xbe0 [ 7044.416840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7044.416840][ T10] ___sys_sendmsg+0xee/0x170 [ 7044.416840][ T10] __sys_sendmsg+0xcd/0x170 [ 7044.416840][ T10] do_syscall_64+0xc6/0x1e0 [ 7044.416840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7044.416840][ T10] [ 7044.418536][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7044.418536][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7044.418536][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7044.418536][ T10] ipv6_find_idev+0x102/0x170 [ 7044.418536][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7044.418536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7044.418536][ T10] netlink_rcv_skb+0x130/0x360 [ 7044.418536][ T10] netlink_unicast+0x449/0x710 [ 7044.418536][ T10] netlink_sendmsg+0x723/0xbe0 [ 7044.418536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7044.418536][ T10] ___sys_sendmsg+0xee/0x170 [ 7044.418536][ T10] __sys_sendmsg+0xcd/0x170 [ 7044.418536][ T10] do_syscall_64+0xc6/0x1e0 [ 7044.418536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7044.418536][ T10] [ 7044.420307][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7044.420639][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7044.420639][ T10] netdev_get_by_index+0x5e/0x80 [ 7044.420639][ T10] fib6_nh_init+0x3d8/0x1580 [ 7044.420639][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7044.420639][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7044.420639][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7044.420639][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7044.420639][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7044.420639][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7044.420639][ T10] addrconf_dad_begin+0x310/0x670 [ 7044.420639][ T10] addrconf_dad_work+0x10b/0xab0 [ 7044.420639][ T10] process_one_work+0x84d/0x18a0 [ 7044.420639][ T10] worker_thread+0x587/0xd30 [ 7044.420639][ T10] kthread+0x28a/0x350 [ 7044.420639][ T10] ret_from_fork+0x31/0x70 [ 7044.420639][ T10] ret_from_fork_asm+0x1a/0x30 [ 7044.420639][ T10] [ 7044.422631][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7044.422631][ T10] netdev_get_by_index+0x5e/0x80 [ 7044.422631][ T10] fib6_nh_init+0x3d8/0x1580 [ 7044.422631][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7044.422631][ T10] ip6_route_add+0x1c/0x140 [ 7044.422631][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7044.422631][ T10] inet6_addr_add+0x4f8/0xa40 [ 7044.422631][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7044.422631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7044.422631][ T10] netlink_rcv_skb+0x130/0x360 [ 7044.422631][ T10] netlink_unicast+0x449/0x710 [ 7044.422631][ T10] netlink_sendmsg+0x723/0xbe0 [ 7044.422631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7044.422631][ T10] ___sys_sendmsg+0xee/0x170 [ 7044.422631][ T10] __sys_sendmsg+0xcd/0x170 [ 7044.422631][ T10] do_syscall_64+0xc6/0x1e0 [ 7044.422631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7044.422631][ T10] [ 7044.424792][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7044.424792][ T10] netdev_get_by_index+0x5e/0x80 [ 7044.424792][ T10] fib6_nh_init+0x3d8/0x1580 [ 7044.424792][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7044.424792][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7044.424792][ T10] ipv6_add_addr+0x411/0x2000 [ 7044.424792][ T10] inet6_addr_add+0x30e/0xa40 [ 7044.424792][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7044.424792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7044.424792][ T10] netlink_rcv_skb+0x130/0x360 [ 7044.424792][ T10] netlink_unicast+0x449/0x710 [ 7044.424792][ T10] netlink_sendmsg+0x723/0xbe0 [ 7044.424792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7044.424792][ T10] ___sys_sendmsg+0xee/0x170 [ 7044.424792][ T10] __sys_sendmsg+0xcd/0x170 [ 7044.424792][ T10] do_syscall_64+0xc6/0x1e0 [ 7044.424792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7044.424792][ T10] [ 7044.426955][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7044.426955][ T10] netdev_get_by_index+0x5e/0x80 [ 7044.426955][ T10] fib6_nh_init+0x3d8/0x1580 [ 7044.426955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7044.426955][ T10] ip6_route_add+0x1c/0x140 [ 7044.426955][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7044.426955][ T10] addrconf_add_dev+0xe2/0x170 [ 7044.426955][ T10] inet6_addr_add+0x12f/0xa40 [ 7044.426955][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7044.426955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7044.426955][ T10] netlink_rcv_skb+0x130/0x360 [ 7044.426955][ T10] netlink_unicast+0x449/0x710 [ 7044.426955][ T10] netlink_sendmsg+0x723/0xbe0 [ 7044.426955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7044.426955][ T10] ___sys_sendmsg+0xee/0x170 [ 7044.426955][ T10] __sys_sendmsg+0xcd/0x170 [ 7044.426955][ T10] do_syscall_64+0xc6/0x1e0 [ 7044.426955][ T10] [ 7044.429081][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7044.429081][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7044.429081][ T10] ipv6_find_idev+0x102/0x170 [ 7044.429081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7044.429081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7044.429081][ T10] netlink_rcv_skb+0x130/0x360 [ 7044.429081][ T10] netlink_unicast+0x449/0x710 [ 7044.429081][ T10] netlink_sendmsg+0x723/0xbe0 [ 7044.429081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7044.429081][ T10] ___sys_sendmsg+0xee/0x170 [ 7044.429081][ T10] __sys_sendmsg+0xcd/0x170 [ 7044.429081][ T10] do_syscall_64+0xc6/0x1e0 [ 7044.429081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7044.429081][ T10] [ 7044.430786][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7044.430786][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7044.430786][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7044.430786][ T10] ipv6_find_idev+0x102/0x170 [ 7044.430786][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7044.430786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7044.430786][ T10] netlink_rcv_skb+0x130/0x360 [ 7044.430786][ T10] netlink_unicast+0x449/0x710 [ 7044.430786][ T10] netlink_sendmsg+0x723/0xbe0 [ 7044.430786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7044.430786][ T10] ___sys_sendmsg+0xee/0x170 [ 7044.430786][ T10] __sys_sendmsg+0xcd/0x170 [ 7044.430786][ T10] do_syscall_64+0xc6/0x1e0 [ 7044.430786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7044.430786][ T10] [ 7050.345144][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7050.345630][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7050.345630][ T1167] dst_init+0x84/0x4a0 [ 7050.345630][ T1167] dst_alloc+0x97/0x150 [ 7050.345630][ T1167] ip6_dst_alloc+0x23/0x90 [ 7050.345630][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7050.345630][ T1167] ip6_pol_route+0x56f/0x840 [ 7050.345630][ T1167] fib6_rule_lookup+0x334/0x630 [ 7050.345630][ T1167] ip6_route_output_flags+0x259/0x480 [ 7050.345630][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7050.345630][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7050.345630][ T1167] netlink_rcv_skb+0x130/0x360 [ 7050.345630][ T1167] netlink_unicast+0x449/0x710 [ 7050.345630][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7050.345630][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7050.345630][ T1167] ___sys_sendmsg+0xee/0x170 [ 7050.345630][ T1167] __sys_sendmsg+0xcd/0x170 [ 7050.345630][ T1167] do_syscall_64+0xc6/0x1e0 [ 7050.345630][ T1167] [ 7050.347857][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7050.347857][ T1167] netdev_get_by_index+0x5e/0x80 [ 7050.347857][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7050.347857][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7050.347857][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7050.347857][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7050.347857][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7050.347857][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7050.347857][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7050.347857][ T1167] addrconf_dad_begin+0x310/0x670 [ 7050.347857][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7050.347857][ T1167] process_one_work+0x84d/0x18a0 [ 7050.347857][ T1167] worker_thread+0x587/0xd30 [ 7050.347857][ T1167] kthread+0x28a/0x350 [ 7050.347857][ T1167] ret_from_fork+0x31/0x70 [ 7050.347857][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7050.347857][ T1167] [ 7050.350040][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7050.350040][ T1167] netdev_get_by_index+0x5e/0x80 [ 7050.350040][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7050.350040][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7050.350040][ T1167] ip6_route_add+0x1c/0x140 [ 7050.350040][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7050.350040][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7050.350040][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7050.350040][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7050.350040][ T1167] netlink_rcv_skb+0x130/0x360 [ 7050.350040][ T1167] netlink_unicast+0x449/0x710 [ 7050.350040][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7050.350040][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7050.350040][ T1167] ___sys_sendmsg+0xee/0x170 [ 7050.350040][ T1167] __sys_sendmsg+0xcd/0x170 [ 7050.350040][ T1167] do_syscall_64+0xc6/0x1e0 [ 7050.350040][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7050.350040][ T1167] [ 7050.352305][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7050.352305][ T1167] netdev_get_by_index+0x5e/0x80 [ 7050.352305][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7050.352305][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7050.352305][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7050.352305][ T1167] ipv6_add_addr+0x411/0x2000 [ 7050.352305][ T1167] inet6_addr_add+0x30e/0xa40 [ 7050.352305][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7050.352305][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7050.352305][ T1167] netlink_rcv_skb+0x130/0x360 [ 7050.352305][ T1167] netlink_unicast+0x449/0x710 [ 7050.352305][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7050.352305][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7050.352305][ T1167] ___sys_sendmsg+0xee/0x170 [ 7050.352305][ T1167] __sys_sendmsg+0xcd/0x170 [ 7050.352305][ T1167] do_syscall_64+0xc6/0x1e0 [ 7050.352305][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7050.352305][ T1167] [ 7050.354582][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7050.354582][ T1167] netdev_get_by_index+0x5e/0x80 [ 7050.354582][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7050.354582][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7050.354582][ T1167] ip6_route_add+0x1c/0x140 [ 7050.354582][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7050.354582][ T1167] addrconf_add_dev+0xe2/0x170 [ 7050.354582][ T1167] inet6_addr_add+0x12f/0xa40 [ 7050.354582][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7050.354582][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7050.354582][ T1167] netlink_rcv_skb+0x130/0x360 [ 7050.354582][ T1167] netlink_unicast+0x449/0x710 [ 7050.354582][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7050.354582][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7050.354582][ T1167] ___sys_sendmsg+0xee/0x170 [ 7050.354582][ T1167] __sys_sendmsg+0xcd/0x170 [ 7050.354582][ T1167] do_syscall_64+0xc6/0x1e0 [ 7050.354582][ T1167] [ 7050.356825][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7050.356825][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7050.356825][ T1167] ipv6_find_idev+0x102/0x170 [ 7050.356825][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7050.356825][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7050.356825][ T1167] netlink_rcv_skb+0x130/0x360 [ 7050.356825][ T1167] netlink_unicast+0x449/0x710 [ 7050.356825][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7050.356825][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7050.356825][ T1167] ___sys_sendmsg+0xee/0x170 [ 7050.356825][ T1167] __sys_sendmsg+0xcd/0x170 [ 7050.356825][ T1167] do_syscall_64+0xc6/0x1e0 [ 7050.356825][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7050.356825][ T1167] [ 7050.358569][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7050.358569][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7050.358569][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7050.358569][ T1167] ipv6_find_idev+0x102/0x170 [ 7050.358569][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7050.358569][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7050.358569][ T1167] netlink_rcv_skb+0x130/0x360 [ 7050.358569][ T1167] netlink_unicast+0x449/0x710 [ 7050.358569][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7050.358569][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7050.358569][ T1167] ___sys_sendmsg+0xee/0x170 [ 7050.358569][ T1167] __sys_sendmsg+0xcd/0x170 [ 7050.358569][ T1167] do_syscall_64+0xc6/0x1e0 [ 7050.358569][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7050.358569][ T1167] [ 7054.441107][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7054.441523][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7054.441523][ T10] netdev_get_by_index+0x5e/0x80 [ 7054.441523][ T10] fib6_nh_init+0x3d8/0x1580 [ 7054.441523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7054.441523][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7054.441523][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7054.441523][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7054.441523][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7054.441523][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7054.441523][ T10] addrconf_dad_begin+0x310/0x670 [ 7054.441523][ T10] addrconf_dad_work+0x10b/0xab0 [ 7054.441523][ T10] process_one_work+0x84d/0x18a0 [ 7054.441523][ T10] worker_thread+0x587/0xd30 [ 7054.441523][ T10] kthread+0x28a/0x350 [ 7054.441523][ T10] ret_from_fork+0x31/0x70 [ 7054.441523][ T10] ret_from_fork_asm+0x1a/0x30 [ 7054.441523][ T10] [ 7054.443466][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7054.443466][ T10] netdev_get_by_index+0x5e/0x80 [ 7054.443466][ T10] fib6_nh_init+0x3d8/0x1580 [ 7054.443466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7054.443466][ T10] ip6_route_add+0x1c/0x140 [ 7054.443466][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7054.443466][ T10] inet6_addr_add+0x4f8/0xa40 [ 7054.443466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7054.443466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7054.443466][ T10] netlink_rcv_skb+0x130/0x360 [ 7054.443466][ T10] netlink_unicast+0x449/0x710 [ 7054.443466][ T10] netlink_sendmsg+0x723/0xbe0 [ 7054.443466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7054.443466][ T10] ___sys_sendmsg+0xee/0x170 [ 7054.443466][ T10] __sys_sendmsg+0xcd/0x170 [ 7054.443466][ T10] do_syscall_64+0xc6/0x1e0 [ 7054.443466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7054.443466][ T10] [ 7054.445519][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7054.445519][ T10] netdev_get_by_index+0x5e/0x80 [ 7054.445519][ T10] fib6_nh_init+0x3d8/0x1580 [ 7054.445519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7054.445519][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7054.445519][ T10] ipv6_add_addr+0x411/0x2000 [ 7054.445519][ T10] inet6_addr_add+0x30e/0xa40 [ 7054.445519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7054.445519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7054.445519][ T10] netlink_rcv_skb+0x130/0x360 [ 7054.445519][ T10] netlink_unicast+0x449/0x710 [ 7054.445519][ T10] netlink_sendmsg+0x723/0xbe0 [ 7054.445519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7054.445519][ T10] ___sys_sendmsg+0xee/0x170 [ 7054.445519][ T10] __sys_sendmsg+0xcd/0x170 [ 7054.445519][ T10] do_syscall_64+0xc6/0x1e0 [ 7054.445519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7054.445519][ T10] [ 7054.447547][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7054.447547][ T10] netdev_get_by_index+0x5e/0x80 [ 7054.447547][ T10] fib6_nh_init+0x3d8/0x1580 [ 7054.447547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7054.447547][ T10] ip6_route_add+0x1c/0x140 [ 7054.447547][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7054.447547][ T10] addrconf_add_dev+0xe2/0x170 [ 7054.447547][ T10] inet6_addr_add+0x12f/0xa40 [ 7054.447547][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7054.447547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7054.447547][ T10] netlink_rcv_skb+0x130/0x360 [ 7054.447547][ T10] netlink_unicast+0x449/0x710 [ 7054.447547][ T10] netlink_sendmsg+0x723/0xbe0 [ 7054.447547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7054.447547][ T10] ___sys_sendmsg+0xee/0x170 [ 7054.447547][ T10] __sys_sendmsg+0xcd/0x170 [ 7054.447547][ T10] do_syscall_64+0xc6/0x1e0 [ 7054.447547][ T10] [ 7054.449541][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7054.449541][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7054.449541][ T10] ipv6_find_idev+0x102/0x170 [ 7054.449541][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7054.449541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7054.449541][ T10] netlink_rcv_skb+0x130/0x360 [ 7054.449541][ T10] netlink_unicast+0x449/0x710 [ 7054.449541][ T10] netlink_sendmsg+0x723/0xbe0 [ 7054.449541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7054.449541][ T10] ___sys_sendmsg+0xee/0x170 [ 7054.449541][ T10] __sys_sendmsg+0xcd/0x170 [ 7054.449541][ T10] do_syscall_64+0xc6/0x1e0 [ 7054.449541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7054.449541][ T10] [ 7054.451096][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7054.451096][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7054.451096][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7054.451096][ T10] ipv6_find_idev+0x102/0x170 [ 7054.451096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7054.451096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7054.451096][ T10] netlink_rcv_skb+0x130/0x360 [ 7054.451096][ T10] netlink_unicast+0x449/0x710 [ 7054.451096][ T10] netlink_sendmsg+0x723/0xbe0 [ 7054.451096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7054.451096][ T10] ___sys_sendmsg+0xee/0x170 [ 7054.451096][ T10] __sys_sendmsg+0xcd/0x170 [ 7054.451096][ T10] do_syscall_64+0xc6/0x1e0 [ 7054.451096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7054.451096][ T10] [ 7054.452808][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7054.453066][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7054.453066][ T10] netdev_get_by_index+0x5e/0x80 [ 7054.453066][ T10] fib6_nh_init+0x3d8/0x1580 [ 7054.453066][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7054.453066][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7054.453066][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7054.453066][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7054.453066][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7054.453066][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7054.453066][ T10] addrconf_dad_begin+0x310/0x670 [ 7054.453066][ T10] addrconf_dad_work+0x10b/0xab0 [ 7054.453066][ T10] process_one_work+0x84d/0x18a0 [ 7054.453066][ T10] worker_thread+0x587/0xd30 [ 7054.453066][ T10] kthread+0x28a/0x350 [ 7054.453066][ T10] ret_from_fork+0x31/0x70 [ 7054.453066][ T10] ret_from_fork_asm+0x1a/0x30 [ 7054.453066][ T10] [ 7054.455008][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7054.455008][ T10] netdev_get_by_index+0x5e/0x80 [ 7054.455008][ T10] fib6_nh_init+0x3d8/0x1580 [ 7054.455008][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7054.455008][ T10] ip6_route_add+0x1c/0x140 [ 7054.455008][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7054.455008][ T10] inet6_addr_add+0x4f8/0xa40 [ 7054.455008][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7054.455008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7054.455008][ T10] netlink_rcv_skb+0x130/0x360 [ 7054.455008][ T10] netlink_unicast+0x449/0x710 [ 7054.455008][ T10] netlink_sendmsg+0x723/0xbe0 [ 7054.455008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7054.455008][ T10] ___sys_sendmsg+0xee/0x170 [ 7054.455008][ T10] __sys_sendmsg+0xcd/0x170 [ 7054.455008][ T10] do_syscall_64+0xc6/0x1e0 [ 7054.455008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7054.455008][ T10] [ 7054.457009][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7054.457009][ T10] netdev_get_by_index+0x5e/0x80 [ 7054.457009][ T10] fib6_nh_init+0x3d8/0x1580 [ 7054.457009][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7054.457009][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7054.457009][ T10] ipv6_add_addr+0x411/0x2000 [ 7054.457009][ T10] inet6_addr_add+0x30e/0xa40 [ 7054.457009][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7054.457009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7054.457009][ T10] netlink_rcv_skb+0x130/0x360 [ 7054.457009][ T10] netlink_unicast+0x449/0x710 [ 7054.457009][ T10] netlink_sendmsg+0x723/0xbe0 [ 7054.457009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7054.457009][ T10] ___sys_sendmsg+0xee/0x170 [ 7054.457009][ T10] __sys_sendmsg+0xcd/0x170 [ 7054.457009][ T10] do_syscall_64+0xc6/0x1e0 [ 7054.457009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7054.457009][ T10] [ 7054.459009][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7054.459009][ T10] netdev_get_by_index+0x5e/0x80 [ 7054.459009][ T10] fib6_nh_init+0x3d8/0x1580 [ 7054.459009][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7054.459009][ T10] ip6_route_add+0x1c/0x140 [ 7054.459009][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7054.459009][ T10] addrconf_add_dev+0xe2/0x170 [ 7054.459009][ T10] inet6_addr_add+0x12f/0xa40 [ 7054.459009][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7054.459009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7054.459009][ T10] netlink_rcv_skb+0x130/0x360 [ 7054.459009][ T10] netlink_unicast+0x449/0x710 [ 7054.459009][ T10] netlink_sendmsg+0x723/0xbe0 [ 7054.459009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7054.459009][ T10] ___sys_sendmsg+0xee/0x170 [ 7054.459009][ T10] __sys_sendmsg+0xcd/0x170 [ 7054.459009][ T10] do_syscall_64+0xc6/0x1e0 [ 7054.459009][ T10] [ 7054.460979][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7054.460979][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7054.460979][ T10] ipv6_find_idev+0x102/0x170 [ 7054.460979][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7054.460979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7054.460979][ T10] netlink_rcv_skb+0x130/0x360 [ 7054.460979][ T10] netlink_unicast+0x449/0x710 [ 7054.460979][ T10] netlink_sendmsg+0x723/0xbe0 [ 7054.460979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7054.460979][ T10] ___sys_sendmsg+0xee/0x170 [ 7054.460979][ T10] __sys_sendmsg+0xcd/0x170 [ 7054.460979][ T10] do_syscall_64+0xc6/0x1e0 [ 7054.460979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7054.460979][ T10] [ 7054.462518][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7054.462518][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7054.462518][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7054.462518][ T10] ipv6_find_idev+0x102/0x170 [ 7054.462518][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7054.462518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7054.462518][ T10] netlink_rcv_skb+0x130/0x360 [ 7054.462518][ T10] netlink_unicast+0x449/0x710 [ 7054.462518][ T10] netlink_sendmsg+0x723/0xbe0 [ 7054.462518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7054.462518][ T10] ___sys_sendmsg+0xee/0x170 [ 7054.462518][ T10] __sys_sendmsg+0xcd/0x170 [ 7054.462518][ T10] do_syscall_64+0xc6/0x1e0 [ 7054.462518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7054.462518][ T10] [ 7054.464204][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7054.464439][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7054.464439][ T10] netdev_get_by_index+0x5e/0x80 [ 7054.464439][ T10] fib6_nh_init+0x3d8/0x1580 [ 7054.464439][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7054.464439][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7054.464439][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7054.464439][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7054.464439][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7054.464439][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7054.464439][ T10] addrconf_dad_begin+0x310/0x670 [ 7054.464439][ T10] addrconf_dad_work+0x10b/0xab0 [ 7054.464439][ T10] process_one_work+0x84d/0x18a0 [ 7054.464439][ T10] worker_thread+0x587/0xd30 [ 7054.464439][ T10] kthread+0x28a/0x350 [ 7054.464439][ T10] ret_from_fork+0x31/0x70 [ 7054.464439][ T10] ret_from_fork_asm+0x1a/0x30 [ 7054.464439][ T10] [ 7054.466375][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7054.466375][ T10] netdev_get_by_index+0x5e/0x80 [ 7054.466375][ T10] fib6_nh_init+0x3d8/0x1580 [ 7054.466375][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7054.466375][ T10] ip6_route_add+0x1c/0x140 [ 7054.466375][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7054.466375][ T10] inet6_addr_add+0x4f8/0xa40 [ 7054.466375][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7054.466375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7054.466375][ T10] netlink_rcv_skb+0x130/0x360 [ 7054.466375][ T10] netlink_unicast+0x449/0x710 [ 7054.466375][ T10] netlink_sendmsg+0x723/0xbe0 [ 7054.466375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7054.466375][ T10] ___sys_sendmsg+0xee/0x170 [ 7054.466375][ T10] __sys_sendmsg+0xcd/0x170 [ 7054.466375][ T10] do_syscall_64+0xc6/0x1e0 [ 7054.466375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7054.466375][ T10] [ 7054.468546][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7054.468546][ T10] netdev_get_by_index+0x5e/0x80 [ 7054.468546][ T10] fib6_nh_init+0x3d8/0x1580 [ 7054.468546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7054.468546][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7054.468546][ T10] ipv6_add_addr+0x411/0x2000 [ 7054.468546][ T10] inet6_addr_add+0x30e/0xa40 [ 7054.468546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7054.468546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7054.468546][ T10] netlink_rcv_skb+0x130/0x360 [ 7054.468546][ T10] netlink_unicast+0x449/0x710 [ 7054.468546][ T10] netlink_sendmsg+0x723/0xbe0 [ 7054.468546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7054.468546][ T10] ___sys_sendmsg+0xee/0x170 [ 7054.468546][ T10] __sys_sendmsg+0xcd/0x170 [ 7054.468546][ T10] do_syscall_64+0xc6/0x1e0 [ 7054.468546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7054.468546][ T10] [ 7054.470723][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7054.470723][ T10] netdev_get_by_index+0x5e/0x80 [ 7054.470723][ T10] fib6_nh_init+0x3d8/0x1580 [ 7054.470723][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7054.470723][ T10] ip6_route_add+0x1c/0x140 [ 7054.470723][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7054.470723][ T10] addrconf_add_dev+0xe2/0x170 [ 7054.470723][ T10] inet6_addr_add+0x12f/0xa40 [ 7054.470723][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7054.470723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7054.470723][ T10] netlink_rcv_skb+0x130/0x360 [ 7054.470723][ T10] netlink_unicast+0x449/0x710 [ 7054.470723][ T10] netlink_sendmsg+0x723/0xbe0 [ 7054.470723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7054.470723][ T10] ___sys_sendmsg+0xee/0x170 [ 7054.470723][ T10] __sys_sendmsg+0xcd/0x170 [ 7054.470723][ T10] do_syscall_64+0xc6/0x1e0 [ 7054.470723][ T10] [ 7054.472846][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7054.472846][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7054.472846][ T10] ipv6_find_idev+0x102/0x170 [ 7054.472846][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7054.472846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7054.472846][ T10] netlink_rcv_skb+0x130/0x360 [ 7054.472846][ T10] netlink_unicast+0x449/0x710 [ 7054.472846][ T10] netlink_sendmsg+0x723/0xbe0 [ 7054.472846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7054.472846][ T10] ___sys_sendmsg+0xee/0x170 [ 7054.472846][ T10] __sys_sendmsg+0xcd/0x170 [ 7054.472846][ T10] do_syscall_64+0xc6/0x1e0 [ 7054.472846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7054.472846][ T10] [ 7054.474471][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7054.474471][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7054.474471][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7054.474471][ T10] ipv6_find_idev+0x102/0x170 [ 7054.474471][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7054.474471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7054.474471][ T10] netlink_rcv_skb+0x130/0x360 [ 7054.474471][ T10] netlink_unicast+0x449/0x710 [ 7054.474471][ T10] netlink_sendmsg+0x723/0xbe0 [ 7054.474471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7054.474471][ T10] ___sys_sendmsg+0xee/0x170 [ 7054.474471][ T10] __sys_sendmsg+0xcd/0x170 [ 7054.474471][ T10] do_syscall_64+0xc6/0x1e0 [ 7054.474471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7054.474471][ T10] [ 7054.476704][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7054.476941][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7054.476941][ T10] netdev_get_by_index+0x5e/0x80 [ 7054.476941][ T10] fib6_nh_init+0x3d8/0x1580 [ 7054.476941][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7054.476941][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7054.476941][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7054.476941][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7054.476941][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7054.476941][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7054.476941][ T10] addrconf_dad_begin+0x310/0x670 [ 7054.476941][ T10] addrconf_dad_work+0x10b/0xab0 [ 7054.476941][ T10] process_one_work+0x84d/0x18a0 [ 7054.476941][ T10] worker_thread+0x587/0xd30 [ 7054.476941][ T10] kthread+0x28a/0x350 [ 7054.476941][ T10] ret_from_fork+0x31/0x70 [ 7054.476941][ T10] ret_from_fork_asm+0x1a/0x30 [ 7054.476941][ T10] [ 7054.478865][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7054.478865][ T10] netdev_get_by_index+0x5e/0x80 [ 7054.478865][ T10] fib6_nh_init+0x3d8/0x1580 [ 7054.478865][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7054.478865][ T10] ip6_route_add+0x1c/0x140 [ 7054.478865][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7054.478865][ T10] inet6_addr_add+0x4f8/0xa40 [ 7054.478865][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7054.478865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7054.478865][ T10] netlink_rcv_skb+0x130/0x360 [ 7054.478865][ T10] netlink_unicast+0x449/0x710 [ 7054.478865][ T10] netlink_sendmsg+0x723/0xbe0 [ 7054.478865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7054.478865][ T10] ___sys_sendmsg+0xee/0x170 [ 7054.478865][ T10] __sys_sendmsg+0xcd/0x170 [ 7054.478865][ T10] do_syscall_64+0xc6/0x1e0 [ 7054.478865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7054.478865][ T10] [ 7054.480955][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7054.480955][ T10] netdev_get_by_index+0x5e/0x80 [ 7054.480955][ T10] fib6_nh_init+0x3d8/0x1580 [ 7054.480955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7054.480955][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7054.480955][ T10] ipv6_add_addr+0x411/0x2000 [ 7054.480955][ T10] inet6_addr_add+0x30e/0xa40 [ 7054.480955][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7054.480955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7054.480955][ T10] netlink_rcv_skb+0x130/0x360 [ 7054.480955][ T10] netlink_unicast+0x449/0x710 [ 7054.480955][ T10] netlink_sendmsg+0x723/0xbe0 [ 7054.480955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7054.480955][ T10] ___sys_sendmsg+0xee/0x170 [ 7054.480955][ T10] __sys_sendmsg+0xcd/0x170 [ 7054.480955][ T10] do_syscall_64+0xc6/0x1e0 [ 7054.480955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7054.480955][ T10] [ 7054.483124][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7054.483124][ T10] netdev_get_by_index+0x5e/0x80 [ 7054.483124][ T10] fib6_nh_init+0x3d8/0x1580 [ 7054.483124][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7054.483124][ T10] ip6_route_add+0x1c/0x140 [ 7054.483124][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7054.483124][ T10] addrconf_add_dev+0xe2/0x170 [ 7054.483124][ T10] inet6_addr_add+0x12f/0xa40 [ 7054.483124][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7054.483124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7054.483124][ T10] netlink_rcv_skb+0x130/0x360 [ 7054.483124][ T10] netlink_unicast+0x449/0x710 [ 7054.483124][ T10] netlink_sendmsg+0x723/0xbe0 [ 7054.483124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7054.483124][ T10] ___sys_sendmsg+0xee/0x170 [ 7054.483124][ T10] __sys_sendmsg+0xcd/0x170 [ 7054.483124][ T10] do_syscall_64+0xc6/0x1e0 [ 7054.483124][ T10] [ 7054.485250][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7054.485250][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7054.485250][ T10] ipv6_find_idev+0x102/0x170 [ 7054.485250][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7054.485250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7054.485250][ T10] netlink_rcv_skb+0x130/0x360 [ 7054.485250][ T10] netlink_unicast+0x449/0x710 [ 7054.485250][ T10] netlink_sendmsg+0x723/0xbe0 [ 7054.485250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7054.485250][ T10] ___sys_sendmsg+0xee/0x170 [ 7054.485250][ T10] __sys_sendmsg+0xcd/0x170 [ 7054.485250][ T10] do_syscall_64+0xc6/0x1e0 [ 7054.485250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7054.485250][ T10] [ 7054.486949][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7054.486949][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7054.486949][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7054.486949][ T10] ipv6_find_idev+0x102/0x170 [ 7054.486949][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7054.486949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7054.486949][ T10] netlink_rcv_skb+0x130/0x360 [ 7054.486949][ T10] netlink_unicast+0x449/0x710 [ 7054.486949][ T10] netlink_sendmsg+0x723/0xbe0 [ 7054.486949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7054.486949][ T10] ___sys_sendmsg+0xee/0x170 [ 7054.486949][ T10] __sys_sendmsg+0xcd/0x170 [ 7054.486949][ T10] do_syscall_64+0xc6/0x1e0 [ 7054.486949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7054.486949][ T10] [ 7060.385124][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7060.385596][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7060.385596][ T1167] dst_init+0x84/0x4a0 [ 7060.385596][ T1167] dst_alloc+0x97/0x150 [ 7060.385596][ T1167] ip6_dst_alloc+0x23/0x90 [ 7060.385596][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7060.385596][ T1167] ip6_pol_route+0x56f/0x840 [ 7060.385596][ T1167] fib6_rule_lookup+0x334/0x630 [ 7060.385596][ T1167] ip6_route_output_flags+0x259/0x480 [ 7060.385596][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7060.385596][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7060.385596][ T1167] netlink_rcv_skb+0x130/0x360 [ 7060.385596][ T1167] netlink_unicast+0x449/0x710 [ 7060.385596][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7060.385596][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7060.385596][ T1167] ___sys_sendmsg+0xee/0x170 [ 7060.385596][ T1167] __sys_sendmsg+0xcd/0x170 [ 7060.385596][ T1167] do_syscall_64+0xc6/0x1e0 [ 7060.385596][ T1167] [ 7060.387814][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7060.387814][ T1167] netdev_get_by_index+0x5e/0x80 [ 7060.387814][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7060.387814][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7060.387814][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7060.387814][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7060.387814][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7060.387814][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7060.387814][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7060.387814][ T1167] addrconf_dad_begin+0x310/0x670 [ 7060.387814][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7060.387814][ T1167] process_one_work+0x84d/0x18a0 [ 7060.387814][ T1167] worker_thread+0x587/0xd30 [ 7060.387814][ T1167] kthread+0x28a/0x350 [ 7060.387814][ T1167] ret_from_fork+0x31/0x70 [ 7060.387814][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7060.387814][ T1167] [ 7060.389978][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7060.389978][ T1167] netdev_get_by_index+0x5e/0x80 [ 7060.389978][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7060.389978][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7060.389978][ T1167] ip6_route_add+0x1c/0x140 [ 7060.389978][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7060.389978][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7060.389978][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7060.389978][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7060.389978][ T1167] netlink_rcv_skb+0x130/0x360 [ 7060.389978][ T1167] netlink_unicast+0x449/0x710 [ 7060.389978][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7060.389978][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7060.389978][ T1167] ___sys_sendmsg+0xee/0x170 [ 7060.389978][ T1167] __sys_sendmsg+0xcd/0x170 [ 7060.389978][ T1167] do_syscall_64+0xc6/0x1e0 [ 7060.389978][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7060.389978][ T1167] [ 7060.392233][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7060.392233][ T1167] netdev_get_by_index+0x5e/0x80 [ 7060.392233][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7060.392233][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7060.392233][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7060.392233][ T1167] ipv6_add_addr+0x411/0x2000 [ 7060.392233][ T1167] inet6_addr_add+0x30e/0xa40 [ 7060.392233][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7060.392233][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7060.392233][ T1167] netlink_rcv_skb+0x130/0x360 [ 7060.392233][ T1167] netlink_unicast+0x449/0x710 [ 7060.392233][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7060.392233][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7060.392233][ T1167] ___sys_sendmsg+0xee/0x170 [ 7060.392233][ T1167] __sys_sendmsg+0xcd/0x170 [ 7060.392233][ T1167] do_syscall_64+0xc6/0x1e0 [ 7060.392233][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7060.392233][ T1167] [ 7060.394487][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7060.394487][ T1167] netdev_get_by_index+0x5e/0x80 [ 7060.394487][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7060.394487][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7060.394487][ T1167] ip6_route_add+0x1c/0x140 [ 7060.394487][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7060.394487][ T1167] addrconf_add_dev+0xe2/0x170 [ 7060.394487][ T1167] inet6_addr_add+0x12f/0xa40 [ 7060.394487][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7060.394487][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7060.394487][ T1167] netlink_rcv_skb+0x130/0x360 [ 7060.394487][ T1167] netlink_unicast+0x449/0x710 [ 7060.394487][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7060.394487][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7060.394487][ T1167] ___sys_sendmsg+0xee/0x170 [ 7060.394487][ T1167] __sys_sendmsg+0xcd/0x170 [ 7060.394487][ T1167] do_syscall_64+0xc6/0x1e0 [ 7060.394487][ T1167] [ 7060.396718][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7060.396718][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7060.396718][ T1167] ipv6_find_idev+0x102/0x170 [ 7060.396718][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7060.396718][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7060.396718][ T1167] netlink_rcv_skb+0x130/0x360 [ 7060.396718][ T1167] netlink_unicast+0x449/0x710 [ 7060.396718][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7060.396718][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7060.396718][ T1167] ___sys_sendmsg+0xee/0x170 [ 7060.396718][ T1167] __sys_sendmsg+0xcd/0x170 [ 7060.396718][ T1167] do_syscall_64+0xc6/0x1e0 [ 7060.396718][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7060.396718][ T1167] [ 7060.398478][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7060.398478][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7060.398478][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7060.398478][ T1167] ipv6_find_idev+0x102/0x170 [ 7060.398478][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7060.398478][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7060.398478][ T1167] netlink_rcv_skb+0x130/0x360 [ 7060.398478][ T1167] netlink_unicast+0x449/0x710 [ 7060.398478][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7060.398478][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7060.398478][ T1167] ___sys_sendmsg+0xee/0x170 [ 7060.398478][ T1167] __sys_sendmsg+0xcd/0x170 [ 7060.398478][ T1167] do_syscall_64+0xc6/0x1e0 [ 7060.398478][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7060.398478][ T1167] [ 7064.737117][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7064.737593][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7064.737593][ T10] netdev_get_by_index+0x5e/0x80 [ 7064.737593][ T10] fib6_nh_init+0x3d8/0x1580 [ 7064.737593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7064.737593][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7064.737593][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7064.737593][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7064.737593][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7064.737593][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7064.737593][ T10] addrconf_dad_begin+0x310/0x670 [ 7064.737593][ T10] addrconf_dad_work+0x10b/0xab0 [ 7064.737593][ T10] process_one_work+0x84d/0x18a0 [ 7064.737593][ T10] worker_thread+0x587/0xd30 [ 7064.737593][ T10] kthread+0x28a/0x350 [ 7064.737593][ T10] ret_from_fork+0x31/0x70 [ 7064.737593][ T10] ret_from_fork_asm+0x1a/0x30 [ 7064.737593][ T10] [ 7064.739692][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7064.739692][ T10] netdev_get_by_index+0x5e/0x80 [ 7064.739692][ T10] fib6_nh_init+0x3d8/0x1580 [ 7064.739692][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7064.739692][ T10] ip6_route_add+0x1c/0x140 [ 7064.739692][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7064.739692][ T10] inet6_addr_add+0x4f8/0xa40 [ 7064.739692][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7064.739692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7064.739692][ T10] netlink_rcv_skb+0x130/0x360 [ 7064.739692][ T10] netlink_unicast+0x449/0x710 [ 7064.739692][ T10] netlink_sendmsg+0x723/0xbe0 [ 7064.739692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7064.739692][ T10] ___sys_sendmsg+0xee/0x170 [ 7064.739692][ T10] __sys_sendmsg+0xcd/0x170 [ 7064.739692][ T10] do_syscall_64+0xc6/0x1e0 [ 7064.739692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7064.739692][ T10] [ 7064.741708][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7064.741708][ T10] netdev_get_by_index+0x5e/0x80 [ 7064.741708][ T10] fib6_nh_init+0x3d8/0x1580 [ 7064.741708][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7064.741708][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7064.741708][ T10] ipv6_add_addr+0x411/0x2000 [ 7064.741708][ T10] inet6_addr_add+0x30e/0xa40 [ 7064.741708][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7064.741708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7064.741708][ T10] netlink_rcv_skb+0x130/0x360 [ 7064.741708][ T10] netlink_unicast+0x449/0x710 [ 7064.741708][ T10] netlink_sendmsg+0x723/0xbe0 [ 7064.741708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7064.741708][ T10] ___sys_sendmsg+0xee/0x170 [ 7064.741708][ T10] __sys_sendmsg+0xcd/0x170 [ 7064.741708][ T10] do_syscall_64+0xc6/0x1e0 [ 7064.741708][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7064.741708][ T10] [ 7064.743724][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7064.743724][ T10] netdev_get_by_index+0x5e/0x80 [ 7064.743724][ T10] fib6_nh_init+0x3d8/0x1580 [ 7064.743724][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7064.743724][ T10] ip6_route_add+0x1c/0x140 [ 7064.743724][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7064.743724][ T10] addrconf_add_dev+0xe2/0x170 [ 7064.743724][ T10] inet6_addr_add+0x12f/0xa40 [ 7064.743724][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7064.743724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7064.743724][ T10] netlink_rcv_skb+0x130/0x360 [ 7064.743724][ T10] netlink_unicast+0x449/0x710 [ 7064.743724][ T10] netlink_sendmsg+0x723/0xbe0 [ 7064.743724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7064.743724][ T10] ___sys_sendmsg+0xee/0x170 [ 7064.743724][ T10] __sys_sendmsg+0xcd/0x170 [ 7064.743724][ T10] do_syscall_64+0xc6/0x1e0 [ 7064.743724][ T10] [ 7064.745707][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7064.745707][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7064.745707][ T10] ipv6_find_idev+0x102/0x170 [ 7064.745707][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7064.745707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7064.745707][ T10] netlink_rcv_skb+0x130/0x360 [ 7064.745707][ T10] netlink_unicast+0x449/0x710 [ 7064.745707][ T10] netlink_sendmsg+0x723/0xbe0 [ 7064.745707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7064.745707][ T10] ___sys_sendmsg+0xee/0x170 [ 7064.745707][ T10] __sys_sendmsg+0xcd/0x170 [ 7064.745707][ T10] do_syscall_64+0xc6/0x1e0 [ 7064.745707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7064.745707][ T10] [ 7064.747255][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7064.747255][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7064.747255][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7064.747255][ T10] ipv6_find_idev+0x102/0x170 [ 7064.747255][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7064.747255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7064.747255][ T10] netlink_rcv_skb+0x130/0x360 [ 7064.747255][ T10] netlink_unicast+0x449/0x710 [ 7064.747255][ T10] netlink_sendmsg+0x723/0xbe0 [ 7064.747255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7064.747255][ T10] ___sys_sendmsg+0xee/0x170 [ 7064.747255][ T10] __sys_sendmsg+0xcd/0x170 [ 7064.747255][ T10] do_syscall_64+0xc6/0x1e0 [ 7064.747255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7064.747255][ T10] [ 7064.748971][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7064.749234][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7064.749234][ T10] netdev_get_by_index+0x5e/0x80 [ 7064.749234][ T10] fib6_nh_init+0x3d8/0x1580 [ 7064.749234][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7064.749234][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7064.749234][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7064.749234][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7064.749234][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7064.749234][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7064.749234][ T10] addrconf_dad_begin+0x310/0x670 [ 7064.749234][ T10] addrconf_dad_work+0x10b/0xab0 [ 7064.749234][ T10] process_one_work+0x84d/0x18a0 [ 7064.749234][ T10] worker_thread+0x587/0xd30 [ 7064.749234][ T10] kthread+0x28a/0x350 [ 7064.749234][ T10] ret_from_fork+0x31/0x70 [ 7064.749234][ T10] ret_from_fork_asm+0x1a/0x30 [ 7064.749234][ T10] [ 7064.751255][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7064.751255][ T10] netdev_get_by_index+0x5e/0x80 [ 7064.751255][ T10] fib6_nh_init+0x3d8/0x1580 [ 7064.751255][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7064.751255][ T10] ip6_route_add+0x1c/0x140 [ 7064.751255][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7064.751255][ T10] inet6_addr_add+0x4f8/0xa40 [ 7064.751255][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7064.751255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7064.751255][ T10] netlink_rcv_skb+0x130/0x360 [ 7064.751255][ T10] netlink_unicast+0x449/0x710 [ 7064.751255][ T10] netlink_sendmsg+0x723/0xbe0 [ 7064.751255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7064.751255][ T10] ___sys_sendmsg+0xee/0x170 [ 7064.751255][ T10] __sys_sendmsg+0xcd/0x170 [ 7064.751255][ T10] do_syscall_64+0xc6/0x1e0 [ 7064.751255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7064.751255][ T10] [ 7064.753294][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7064.753294][ T10] netdev_get_by_index+0x5e/0x80 [ 7064.753294][ T10] fib6_nh_init+0x3d8/0x1580 [ 7064.753294][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7064.753294][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7064.753294][ T10] ipv6_add_addr+0x411/0x2000 [ 7064.753294][ T10] inet6_addr_add+0x30e/0xa40 [ 7064.753294][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7064.753294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7064.753294][ T10] netlink_rcv_skb+0x130/0x360 [ 7064.753294][ T10] netlink_unicast+0x449/0x710 [ 7064.753294][ T10] netlink_sendmsg+0x723/0xbe0 [ 7064.753294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7064.753294][ T10] ___sys_sendmsg+0xee/0x170 [ 7064.753294][ T10] __sys_sendmsg+0xcd/0x170 [ 7064.753294][ T10] do_syscall_64+0xc6/0x1e0 [ 7064.753294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7064.753294][ T10] [ 7064.755334][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7064.755334][ T10] netdev_get_by_index+0x5e/0x80 [ 7064.755334][ T10] fib6_nh_init+0x3d8/0x1580 [ 7064.755334][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7064.755334][ T10] ip6_route_add+0x1c/0x140 [ 7064.755334][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7064.755334][ T10] addrconf_add_dev+0xe2/0x170 [ 7064.755334][ T10] inet6_addr_add+0x12f/0xa40 [ 7064.755334][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7064.755334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7064.755334][ T10] netlink_rcv_skb+0x130/0x360 [ 7064.755334][ T10] netlink_unicast+0x449/0x710 [ 7064.755334][ T10] netlink_sendmsg+0x723/0xbe0 [ 7064.755334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7064.755334][ T10] ___sys_sendmsg+0xee/0x170 [ 7064.755334][ T10] __sys_sendmsg+0xcd/0x170 [ 7064.755334][ T10] do_syscall_64+0xc6/0x1e0 [ 7064.755334][ T10] [ 7064.757324][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7064.757324][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7064.757324][ T10] ipv6_find_idev+0x102/0x170 [ 7064.757324][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7064.757324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7064.757324][ T10] netlink_rcv_skb+0x130/0x360 [ 7064.757324][ T10] netlink_unicast+0x449/0x710 [ 7064.757324][ T10] netlink_sendmsg+0x723/0xbe0 [ 7064.757324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7064.757324][ T10] ___sys_sendmsg+0xee/0x170 [ 7064.757324][ T10] __sys_sendmsg+0xcd/0x170 [ 7064.757324][ T10] do_syscall_64+0xc6/0x1e0 [ 7064.757324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7064.757324][ T10] [ 7064.758876][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7064.758876][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7064.758876][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7064.758876][ T10] ipv6_find_idev+0x102/0x170 [ 7064.758876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7064.758876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7064.758876][ T10] netlink_rcv_skb+0x130/0x360 [ 7064.758876][ T10] netlink_unicast+0x449/0x710 [ 7064.758876][ T10] netlink_sendmsg+0x723/0xbe0 [ 7064.758876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7064.758876][ T10] ___sys_sendmsg+0xee/0x170 [ 7064.758876][ T10] __sys_sendmsg+0xcd/0x170 [ 7064.758876][ T10] do_syscall_64+0xc6/0x1e0 [ 7064.758876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7064.758876][ T10] [ 7064.760587][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7064.760837][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7064.760837][ T10] netdev_get_by_index+0x5e/0x80 [ 7064.760837][ T10] fib6_nh_init+0x3d8/0x1580 [ 7064.760837][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7064.760837][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7064.760837][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7064.760837][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7064.760837][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7064.760837][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7064.760837][ T10] addrconf_dad_begin+0x310/0x670 [ 7064.760837][ T10] addrconf_dad_work+0x10b/0xab0 [ 7064.760837][ T10] process_one_work+0x84d/0x18a0 [ 7064.760837][ T10] worker_thread+0x587/0xd30 [ 7064.760837][ T10] kthread+0x28a/0x350 [ 7064.760837][ T10] ret_from_fork+0x31/0x70 [ 7064.760837][ T10] ret_from_fork_asm+0x1a/0x30 [ 7064.760837][ T10] [ 7064.762767][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7064.762767][ T10] netdev_get_by_index+0x5e/0x80 [ 7064.762767][ T10] fib6_nh_init+0x3d8/0x1580 [ 7064.762767][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7064.762767][ T10] ip6_route_add+0x1c/0x140 [ 7064.762767][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7064.762767][ T10] inet6_addr_add+0x4f8/0xa40 [ 7064.762767][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7064.762767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7064.762767][ T10] netlink_rcv_skb+0x130/0x360 [ 7064.762767][ T10] netlink_unicast+0x449/0x710 [ 7064.762767][ T10] netlink_sendmsg+0x723/0xbe0 [ 7064.762767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7064.762767][ T10] ___sys_sendmsg+0xee/0x170 [ 7064.762767][ T10] __sys_sendmsg+0xcd/0x170 [ 7064.762767][ T10] do_syscall_64+0xc6/0x1e0 [ 7064.762767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7064.762767][ T10] [ 7064.765007][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7064.765007][ T10] netdev_get_by_index+0x5e/0x80 [ 7064.765007][ T10] fib6_nh_init+0x3d8/0x1580 [ 7064.765007][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7064.765007][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7064.765007][ T10] ipv6_add_addr+0x411/0x2000 [ 7064.765007][ T10] inet6_addr_add+0x30e/0xa40 [ 7064.765007][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7064.765007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7064.765007][ T10] netlink_rcv_skb+0x130/0x360 [ 7064.765007][ T10] netlink_unicast+0x449/0x710 [ 7064.765007][ T10] netlink_sendmsg+0x723/0xbe0 [ 7064.765007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7064.765007][ T10] ___sys_sendmsg+0xee/0x170 [ 7064.765007][ T10] __sys_sendmsg+0xcd/0x170 [ 7064.765007][ T10] do_syscall_64+0xc6/0x1e0 [ 7064.765007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7064.765007][ T10] [ 7064.767159][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7064.767159][ T10] netdev_get_by_index+0x5e/0x80 [ 7064.767159][ T10] fib6_nh_init+0x3d8/0x1580 [ 7064.767159][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7064.767159][ T10] ip6_route_add+0x1c/0x140 [ 7064.767159][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7064.767159][ T10] addrconf_add_dev+0xe2/0x170 [ 7064.767159][ T10] inet6_addr_add+0x12f/0xa40 [ 7064.767159][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7064.767159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7064.767159][ T10] netlink_rcv_skb+0x130/0x360 [ 7064.767159][ T10] netlink_unicast+0x449/0x710 [ 7064.767159][ T10] netlink_sendmsg+0x723/0xbe0 [ 7064.767159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7064.767159][ T10] ___sys_sendmsg+0xee/0x170 [ 7064.767159][ T10] __sys_sendmsg+0xcd/0x170 [ 7064.767159][ T10] do_syscall_64+0xc6/0x1e0 [ 7064.767159][ T10] [ 7064.769281][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7064.769281][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7064.769281][ T10] ipv6_find_idev+0x102/0x170 [ 7064.769281][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7064.769281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7064.769281][ T10] netlink_rcv_skb+0x130/0x360 [ 7064.769281][ T10] netlink_unicast+0x449/0x710 [ 7064.769281][ T10] netlink_sendmsg+0x723/0xbe0 [ 7064.769281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7064.769281][ T10] ___sys_sendmsg+0xee/0x170 [ 7064.769281][ T10] __sys_sendmsg+0xcd/0x170 [ 7064.769281][ T10] do_syscall_64+0xc6/0x1e0 [ 7064.769281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7064.769281][ T10] [ 7064.770910][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7064.770910][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7064.770910][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7064.770910][ T10] ipv6_find_idev+0x102/0x170 [ 7064.770910][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7064.770910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7064.770910][ T10] netlink_rcv_skb+0x130/0x360 [ 7064.770910][ T10] netlink_unicast+0x449/0x710 [ 7064.770910][ T10] netlink_sendmsg+0x723/0xbe0 [ 7064.770910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7064.770910][ T10] ___sys_sendmsg+0xee/0x170 [ 7064.770910][ T10] __sys_sendmsg+0xcd/0x170 [ 7064.770910][ T10] do_syscall_64+0xc6/0x1e0 [ 7064.770910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7064.770910][ T10] [ 7064.772755][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7064.772994][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7064.772994][ T10] netdev_get_by_index+0x5e/0x80 [ 7064.772994][ T10] fib6_nh_init+0x3d8/0x1580 [ 7064.772994][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7064.772994][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7064.772994][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7064.772994][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7064.772994][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7064.772994][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7064.772994][ T10] addrconf_dad_begin+0x310/0x670 [ 7064.772994][ T10] addrconf_dad_work+0x10b/0xab0 [ 7064.772994][ T10] process_one_work+0x84d/0x18a0 [ 7064.772994][ T10] worker_thread+0x587/0xd30 [ 7064.772994][ T10] kthread+0x28a/0x350 [ 7064.772994][ T10] ret_from_fork+0x31/0x70 [ 7064.772994][ T10] ret_from_fork_asm+0x1a/0x30 [ 7064.772994][ T10] [ 7064.775087][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7064.775087][ T10] netdev_get_by_index+0x5e/0x80 [ 7064.775087][ T10] fib6_nh_init+0x3d8/0x1580 [ 7064.775087][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7064.775087][ T10] ip6_route_add+0x1c/0x140 [ 7064.775087][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7064.775087][ T10] inet6_addr_add+0x4f8/0xa40 [ 7064.775087][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7064.775087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7064.775087][ T10] netlink_rcv_skb+0x130/0x360 [ 7064.775087][ T10] netlink_unicast+0x449/0x710 [ 7064.775087][ T10] netlink_sendmsg+0x723/0xbe0 [ 7064.775087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7064.775087][ T10] ___sys_sendmsg+0xee/0x170 [ 7064.775087][ T10] __sys_sendmsg+0xcd/0x170 [ 7064.775087][ T10] do_syscall_64+0xc6/0x1e0 [ 7064.775087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7064.775087][ T10] [ 7064.777249][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7064.777249][ T10] netdev_get_by_index+0x5e/0x80 [ 7064.777249][ T10] fib6_nh_init+0x3d8/0x1580 [ 7064.777249][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7064.777249][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7064.777249][ T10] ipv6_add_addr+0x411/0x2000 [ 7064.777249][ T10] inet6_addr_add+0x30e/0xa40 [ 7064.777249][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7064.777249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7064.777249][ T10] netlink_rcv_skb+0x130/0x360 [ 7064.777249][ T10] netlink_unicast+0x449/0x710 [ 7064.777249][ T10] netlink_sendmsg+0x723/0xbe0 [ 7064.777249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7064.777249][ T10] ___sys_sendmsg+0xee/0x170 [ 7064.777249][ T10] __sys_sendmsg+0xcd/0x170 [ 7064.777249][ T10] do_syscall_64+0xc6/0x1e0 [ 7064.777249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7064.777249][ T10] [ 7064.779404][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7064.779404][ T10] netdev_get_by_index+0x5e/0x80 [ 7064.779404][ T10] fib6_nh_init+0x3d8/0x1580 [ 7064.779404][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7064.779404][ T10] ip6_route_add+0x1c/0x140 [ 7064.779404][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7064.779404][ T10] addrconf_add_dev+0xe2/0x170 [ 7064.779404][ T10] inet6_addr_add+0x12f/0xa40 [ 7064.779404][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7064.779404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7064.779404][ T10] netlink_rcv_skb+0x130/0x360 [ 7064.779404][ T10] netlink_unicast+0x449/0x710 [ 7064.779404][ T10] netlink_sendmsg+0x723/0xbe0 [ 7064.779404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7064.779404][ T10] ___sys_sendmsg+0xee/0x170 [ 7064.779404][ T10] __sys_sendmsg+0xcd/0x170 [ 7064.779404][ T10] do_syscall_64+0xc6/0x1e0 [ 7064.779404][ T10] [ 7064.781488][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7064.781488][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7064.781488][ T10] ipv6_find_idev+0x102/0x170 [ 7064.781488][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7064.781488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7064.781488][ T10] netlink_rcv_skb+0x130/0x360 [ 7064.781488][ T10] netlink_unicast+0x449/0x710 [ 7064.781488][ T10] netlink_sendmsg+0x723/0xbe0 [ 7064.781488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7064.781488][ T10] ___sys_sendmsg+0xee/0x170 [ 7064.781488][ T10] __sys_sendmsg+0xcd/0x170 [ 7064.781488][ T10] do_syscall_64+0xc6/0x1e0 [ 7064.781488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7064.781488][ T10] [ 7064.783191][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7064.783191][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7064.783191][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7064.783191][ T10] ipv6_find_idev+0x102/0x170 [ 7064.783191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7064.783191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7064.783191][ T10] netlink_rcv_skb+0x130/0x360 [ 7064.783191][ T10] netlink_unicast+0x449/0x710 [ 7064.783191][ T10] netlink_sendmsg+0x723/0xbe0 [ 7064.783191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7064.783191][ T10] ___sys_sendmsg+0xee/0x170 [ 7064.783191][ T10] __sys_sendmsg+0xcd/0x170 [ 7064.783191][ T10] do_syscall_64+0xc6/0x1e0 [ 7064.783191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7064.783191][ T10] [ 7070.441123][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7070.441567][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7070.441567][ T1167] dst_init+0x84/0x4a0 [ 7070.441567][ T1167] dst_alloc+0x97/0x150 [ 7070.441567][ T1167] ip6_dst_alloc+0x23/0x90 [ 7070.441567][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7070.441567][ T1167] ip6_pol_route+0x56f/0x840 [ 7070.441567][ T1167] fib6_rule_lookup+0x334/0x630 [ 7070.441567][ T1167] ip6_route_output_flags+0x259/0x480 [ 7070.441567][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7070.441567][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7070.441567][ T1167] netlink_rcv_skb+0x130/0x360 [ 7070.441567][ T1167] netlink_unicast+0x449/0x710 [ 7070.441567][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7070.441567][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7070.441567][ T1167] ___sys_sendmsg+0xee/0x170 [ 7070.441567][ T1167] __sys_sendmsg+0xcd/0x170 [ 7070.441567][ T1167] do_syscall_64+0xc6/0x1e0 [ 7070.441567][ T1167] [ 7070.443981][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7070.443981][ T1167] netdev_get_by_index+0x5e/0x80 [ 7070.443981][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7070.443981][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7070.443981][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7070.443981][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7070.443981][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7070.443981][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7070.443981][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7070.443981][ T1167] addrconf_dad_begin+0x310/0x670 [ 7070.443981][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7070.443981][ T1167] process_one_work+0x84d/0x18a0 [ 7070.443981][ T1167] worker_thread+0x587/0xd30 [ 7070.443981][ T1167] kthread+0x28a/0x350 [ 7070.443981][ T1167] ret_from_fork+0x31/0x70 [ 7070.443981][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7070.443981][ T1167] [ 7070.446362][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7070.446362][ T1167] netdev_get_by_index+0x5e/0x80 [ 7070.446362][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7070.446362][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7070.446362][ T1167] ip6_route_add+0x1c/0x140 [ 7070.446362][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7070.446362][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7070.446362][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7070.446362][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7070.446362][ T1167] netlink_rcv_skb+0x130/0x360 [ 7070.446362][ T1167] netlink_unicast+0x449/0x710 [ 7070.446362][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7070.446362][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7070.446362][ T1167] ___sys_sendmsg+0xee/0x170 [ 7070.446362][ T1167] __sys_sendmsg+0xcd/0x170 [ 7070.446362][ T1167] do_syscall_64+0xc6/0x1e0 [ 7070.446362][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7070.446362][ T1167] [ 7070.448829][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7070.448829][ T1167] netdev_get_by_index+0x5e/0x80 [ 7070.448829][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7070.448829][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7070.448829][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7070.448829][ T1167] ipv6_add_addr+0x411/0x2000 [ 7070.448829][ T1167] inet6_addr_add+0x30e/0xa40 [ 7070.448829][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7070.448829][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7070.448829][ T1167] netlink_rcv_skb+0x130/0x360 [ 7070.448829][ T1167] netlink_unicast+0x449/0x710 [ 7070.448829][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7070.448829][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7070.448829][ T1167] ___sys_sendmsg+0xee/0x170 [ 7070.448829][ T1167] __sys_sendmsg+0xcd/0x170 [ 7070.448829][ T1167] do_syscall_64+0xc6/0x1e0 [ 7070.448829][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7070.448829][ T1167] [ 7070.451299][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7070.451299][ T1167] netdev_get_by_index+0x5e/0x80 [ 7070.451299][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7070.451299][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7070.451299][ T1167] ip6_route_add+0x1c/0x140 [ 7070.451299][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7070.451299][ T1167] addrconf_add_dev+0xe2/0x170 [ 7070.451299][ T1167] inet6_addr_add+0x12f/0xa40 [ 7070.451299][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7070.451299][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7070.451299][ T1167] netlink_rcv_skb+0x130/0x360 [ 7070.451299][ T1167] netlink_unicast+0x449/0x710 [ 7070.451299][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7070.451299][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7070.451299][ T1167] ___sys_sendmsg+0xee/0x170 [ 7070.451299][ T1167] __sys_sendmsg+0xcd/0x170 [ 7070.451299][ T1167] do_syscall_64+0xc6/0x1e0 [ 7070.451299][ T1167] [ 7070.453733][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7070.453733][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7070.453733][ T1167] ipv6_find_idev+0x102/0x170 [ 7070.453733][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7070.453733][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7070.453733][ T1167] netlink_rcv_skb+0x130/0x360 [ 7070.453733][ T1167] netlink_unicast+0x449/0x710 [ 7070.453733][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7070.453733][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7070.453733][ T1167] ___sys_sendmsg+0xee/0x170 [ 7070.453733][ T1167] __sys_sendmsg+0xcd/0x170 [ 7070.453733][ T1167] do_syscall_64+0xc6/0x1e0 [ 7070.453733][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7070.453733][ T1167] [ 7070.455640][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7070.455640][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7070.455640][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7070.455640][ T1167] ipv6_find_idev+0x102/0x170 [ 7070.455640][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7070.455640][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7070.455640][ T1167] netlink_rcv_skb+0x130/0x360 [ 7070.455640][ T1167] netlink_unicast+0x449/0x710 [ 7070.455640][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7070.455640][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7070.455640][ T1167] ___sys_sendmsg+0xee/0x170 [ 7070.455640][ T1167] __sys_sendmsg+0xcd/0x170 [ 7070.455640][ T1167] do_syscall_64+0xc6/0x1e0 [ 7070.455640][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7070.455640][ T1167] [ 7074.817118][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7074.817512][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7074.817512][ T10] netdev_get_by_index+0x5e/0x80 [ 7074.817512][ T10] fib6_nh_init+0x3d8/0x1580 [ 7074.817512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7074.817512][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7074.817512][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7074.817512][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7074.817512][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7074.817512][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7074.817512][ T10] addrconf_dad_begin+0x310/0x670 [ 7074.817512][ T10] addrconf_dad_work+0x10b/0xab0 [ 7074.817512][ T10] process_one_work+0x84d/0x18a0 [ 7074.817512][ T10] worker_thread+0x587/0xd30 [ 7074.817512][ T10] kthread+0x28a/0x350 [ 7074.817512][ T10] ret_from_fork+0x31/0x70 [ 7074.817512][ T10] ret_from_fork_asm+0x1a/0x30 [ 7074.817512][ T10] [ 7074.819461][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7074.819461][ T10] netdev_get_by_index+0x5e/0x80 [ 7074.819461][ T10] fib6_nh_init+0x3d8/0x1580 [ 7074.819461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7074.819461][ T10] ip6_route_add+0x1c/0x140 [ 7074.819461][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7074.819461][ T10] inet6_addr_add+0x4f8/0xa40 [ 7074.819461][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7074.819461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7074.819461][ T10] netlink_rcv_skb+0x130/0x360 [ 7074.819461][ T10] netlink_unicast+0x449/0x710 [ 7074.819461][ T10] netlink_sendmsg+0x723/0xbe0 [ 7074.819461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7074.819461][ T10] ___sys_sendmsg+0xee/0x170 [ 7074.819461][ T10] __sys_sendmsg+0xcd/0x170 [ 7074.819461][ T10] do_syscall_64+0xc6/0x1e0 [ 7074.819461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7074.819461][ T10] [ 7074.822015][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7074.822015][ T10] netdev_get_by_index+0x5e/0x80 [ 7074.822015][ T10] fib6_nh_init+0x3d8/0x1580 [ 7074.822015][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7074.822015][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7074.822015][ T10] ipv6_add_addr+0x411/0x2000 [ 7074.822015][ T10] inet6_addr_add+0x30e/0xa40 [ 7074.822015][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7074.822015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7074.822015][ T10] netlink_rcv_skb+0x130/0x360 [ 7074.822015][ T10] netlink_unicast+0x449/0x710 [ 7074.822015][ T10] netlink_sendmsg+0x723/0xbe0 [ 7074.822015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7074.822015][ T10] ___sys_sendmsg+0xee/0x170 [ 7074.822015][ T10] __sys_sendmsg+0xcd/0x170 [ 7074.822015][ T10] do_syscall_64+0xc6/0x1e0 [ 7074.822015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7074.822015][ T10] [ 7074.824056][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7074.824056][ T10] netdev_get_by_index+0x5e/0x80 [ 7074.824056][ T10] fib6_nh_init+0x3d8/0x1580 [ 7074.824056][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7074.824056][ T10] ip6_route_add+0x1c/0x140 [ 7074.824056][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7074.824056][ T10] addrconf_add_dev+0xe2/0x170 [ 7074.824056][ T10] inet6_addr_add+0x12f/0xa40 [ 7074.824056][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7074.824056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7074.824056][ T10] netlink_rcv_skb+0x130/0x360 [ 7074.824056][ T10] netlink_unicast+0x449/0x710 [ 7074.824056][ T10] netlink_sendmsg+0x723/0xbe0 [ 7074.824056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7074.824056][ T10] ___sys_sendmsg+0xee/0x170 [ 7074.824056][ T10] __sys_sendmsg+0xcd/0x170 [ 7074.824056][ T10] do_syscall_64+0xc6/0x1e0 [ 7074.824056][ T10] [ 7074.826042][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7074.826042][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7074.826042][ T10] ipv6_find_idev+0x102/0x170 [ 7074.826042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7074.826042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7074.826042][ T10] netlink_rcv_skb+0x130/0x360 [ 7074.826042][ T10] netlink_unicast+0x449/0x710 [ 7074.826042][ T10] netlink_sendmsg+0x723/0xbe0 [ 7074.826042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7074.826042][ T10] ___sys_sendmsg+0xee/0x170 [ 7074.826042][ T10] __sys_sendmsg+0xcd/0x170 [ 7074.826042][ T10] do_syscall_64+0xc6/0x1e0 [ 7074.826042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7074.826042][ T10] [ 7074.827592][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7074.827592][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7074.827592][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7074.827592][ T10] ipv6_find_idev+0x102/0x170 [ 7074.827592][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7074.827592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7074.827592][ T10] netlink_rcv_skb+0x130/0x360 [ 7074.827592][ T10] netlink_unicast+0x449/0x710 [ 7074.827592][ T10] netlink_sendmsg+0x723/0xbe0 [ 7074.827592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7074.827592][ T10] ___sys_sendmsg+0xee/0x170 [ 7074.827592][ T10] __sys_sendmsg+0xcd/0x170 [ 7074.827592][ T10] do_syscall_64+0xc6/0x1e0 [ 7074.827592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7074.827592][ T10] [ 7074.829307][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7074.829556][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7074.829556][ T10] netdev_get_by_index+0x5e/0x80 [ 7074.829556][ T10] fib6_nh_init+0x3d8/0x1580 [ 7074.829556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7074.829556][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7074.829556][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7074.829556][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7074.829556][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7074.829556][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7074.829556][ T10] addrconf_dad_begin+0x310/0x670 [ 7074.829556][ T10] addrconf_dad_work+0x10b/0xab0 [ 7074.829556][ T10] process_one_work+0x84d/0x18a0 [ 7074.829556][ T10] worker_thread+0x587/0xd30 [ 7074.829556][ T10] kthread+0x28a/0x350 [ 7074.829556][ T10] ret_from_fork+0x31/0x70 [ 7074.829556][ T10] ret_from_fork_asm+0x1a/0x30 [ 7074.829556][ T10] [ 7074.831480][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7074.831480][ T10] netdev_get_by_index+0x5e/0x80 [ 7074.831480][ T10] fib6_nh_init+0x3d8/0x1580 [ 7074.831480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7074.831480][ T10] ip6_route_add+0x1c/0x140 [ 7074.831480][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7074.831480][ T10] inet6_addr_add+0x4f8/0xa40 [ 7074.831480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7074.831480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7074.831480][ T10] netlink_rcv_skb+0x130/0x360 [ 7074.831480][ T10] netlink_unicast+0x449/0x710 [ 7074.831480][ T10] netlink_sendmsg+0x723/0xbe0 [ 7074.831480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7074.831480][ T10] ___sys_sendmsg+0xee/0x170 [ 7074.831480][ T10] __sys_sendmsg+0xcd/0x170 [ 7074.831480][ T10] do_syscall_64+0xc6/0x1e0 [ 7074.831480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7074.831480][ T10] [ 7074.833487][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7074.833487][ T10] netdev_get_by_index+0x5e/0x80 [ 7074.833487][ T10] fib6_nh_init+0x3d8/0x1580 [ 7074.833487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7074.833487][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7074.833487][ T10] ipv6_add_addr+0x411/0x2000 [ 7074.833487][ T10] inet6_addr_add+0x30e/0xa40 [ 7074.833487][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7074.833487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7074.833487][ T10] netlink_rcv_skb+0x130/0x360 [ 7074.833487][ T10] netlink_unicast+0x449/0x710 [ 7074.833487][ T10] netlink_sendmsg+0x723/0xbe0 [ 7074.833487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7074.833487][ T10] ___sys_sendmsg+0xee/0x170 [ 7074.833487][ T10] __sys_sendmsg+0xcd/0x170 [ 7074.833487][ T10] do_syscall_64+0xc6/0x1e0 [ 7074.833487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7074.833487][ T10] [ 7074.835584][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7074.835584][ T10] netdev_get_by_index+0x5e/0x80 [ 7074.835584][ T10] fib6_nh_init+0x3d8/0x1580 [ 7074.835584][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7074.835584][ T10] ip6_route_add+0x1c/0x140 [ 7074.835584][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7074.835584][ T10] addrconf_add_dev+0xe2/0x170 [ 7074.835584][ T10] inet6_addr_add+0x12f/0xa40 [ 7074.835584][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7074.835584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7074.835584][ T10] netlink_rcv_skb+0x130/0x360 [ 7074.835584][ T10] netlink_unicast+0x449/0x710 [ 7074.835584][ T10] netlink_sendmsg+0x723/0xbe0 [ 7074.835584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7074.835584][ T10] ___sys_sendmsg+0xee/0x170 [ 7074.835584][ T10] __sys_sendmsg+0xcd/0x170 [ 7074.835584][ T10] do_syscall_64+0xc6/0x1e0 [ 7074.835584][ T10] [ 7074.837559][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7074.837559][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7074.837559][ T10] ipv6_find_idev+0x102/0x170 [ 7074.837559][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7074.837559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7074.837559][ T10] netlink_rcv_skb+0x130/0x360 [ 7074.837559][ T10] netlink_unicast+0x449/0x710 [ 7074.837559][ T10] netlink_sendmsg+0x723/0xbe0 [ 7074.837559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7074.837559][ T10] ___sys_sendmsg+0xee/0x170 [ 7074.837559][ T10] __sys_sendmsg+0xcd/0x170 [ 7074.837559][ T10] do_syscall_64+0xc6/0x1e0 [ 7074.837559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7074.837559][ T10] [ 7074.839120][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7074.839120][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7074.839120][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7074.839120][ T10] ipv6_find_idev+0x102/0x170 [ 7074.839120][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7074.839120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7074.839120][ T10] netlink_rcv_skb+0x130/0x360 [ 7074.839120][ T10] netlink_unicast+0x449/0x710 [ 7074.839120][ T10] netlink_sendmsg+0x723/0xbe0 [ 7074.839120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7074.839120][ T10] ___sys_sendmsg+0xee/0x170 [ 7074.839120][ T10] __sys_sendmsg+0xcd/0x170 [ 7074.839120][ T10] do_syscall_64+0xc6/0x1e0 [ 7074.839120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7074.839120][ T10] [ 7074.840811][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7074.841068][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7074.841068][ T10] netdev_get_by_index+0x5e/0x80 [ 7074.841068][ T10] fib6_nh_init+0x3d8/0x1580 [ 7074.841068][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7074.841068][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7074.841068][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7074.841068][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7074.841068][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7074.841068][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7074.841068][ T10] addrconf_dad_begin+0x310/0x670 [ 7074.841068][ T10] addrconf_dad_work+0x10b/0xab0 [ 7074.841068][ T10] process_one_work+0x84d/0x18a0 [ 7074.841068][ T10] worker_thread+0x587/0xd30 [ 7074.841068][ T10] kthread+0x28a/0x350 [ 7074.841068][ T10] ret_from_fork+0x31/0x70 [ 7074.841068][ T10] ret_from_fork_asm+0x1a/0x30 [ 7074.841068][ T10] [ 7074.842981][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7074.842981][ T10] netdev_get_by_index+0x5e/0x80 [ 7074.842981][ T10] fib6_nh_init+0x3d8/0x1580 [ 7074.842981][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7074.842981][ T10] ip6_route_add+0x1c/0x140 [ 7074.842981][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7074.842981][ T10] inet6_addr_add+0x4f8/0xa40 [ 7074.842981][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7074.842981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7074.842981][ T10] netlink_rcv_skb+0x130/0x360 [ 7074.842981][ T10] netlink_unicast+0x449/0x710 [ 7074.842981][ T10] netlink_sendmsg+0x723/0xbe0 [ 7074.842981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7074.842981][ T10] ___sys_sendmsg+0xee/0x170 [ 7074.842981][ T10] __sys_sendmsg+0xcd/0x170 [ 7074.842981][ T10] do_syscall_64+0xc6/0x1e0 [ 7074.842981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7074.842981][ T10] [ 7074.845170][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7074.845170][ T10] netdev_get_by_index+0x5e/0x80 [ 7074.845170][ T10] fib6_nh_init+0x3d8/0x1580 [ 7074.845170][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7074.845170][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7074.845170][ T10] ipv6_add_addr+0x411/0x2000 [ 7074.845170][ T10] inet6_addr_add+0x30e/0xa40 [ 7074.845170][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7074.845170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7074.845170][ T10] netlink_rcv_skb+0x130/0x360 [ 7074.845170][ T10] netlink_unicast+0x449/0x710 [ 7074.845170][ T10] netlink_sendmsg+0x723/0xbe0 [ 7074.845170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7074.845170][ T10] ___sys_sendmsg+0xee/0x170 [ 7074.845170][ T10] __sys_sendmsg+0xcd/0x170 [ 7074.845170][ T10] do_syscall_64+0xc6/0x1e0 [ 7074.845170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7074.845170][ T10] [ 7074.847478][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7074.847478][ T10] netdev_get_by_index+0x5e/0x80 [ 7074.847478][ T10] fib6_nh_init+0x3d8/0x1580 [ 7074.847478][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7074.847478][ T10] ip6_route_add+0x1c/0x140 [ 7074.847478][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7074.847478][ T10] addrconf_add_dev+0xe2/0x170 [ 7074.847478][ T10] inet6_addr_add+0x12f/0xa40 [ 7074.847478][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7074.847478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7074.847478][ T10] netlink_rcv_skb+0x130/0x360 [ 7074.847478][ T10] netlink_unicast+0x449/0x710 [ 7074.847478][ T10] netlink_sendmsg+0x723/0xbe0 [ 7074.847478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7074.847478][ T10] ___sys_sendmsg+0xee/0x170 [ 7074.847478][ T10] __sys_sendmsg+0xcd/0x170 [ 7074.847478][ T10] do_syscall_64+0xc6/0x1e0 [ 7074.847478][ T10] [ 7074.849715][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7074.849715][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7074.849715][ T10] ipv6_find_idev+0x102/0x170 [ 7074.849715][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7074.849715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7074.849715][ T10] netlink_rcv_skb+0x130/0x360 [ 7074.849715][ T10] netlink_unicast+0x449/0x710 [ 7074.849715][ T10] netlink_sendmsg+0x723/0xbe0 [ 7074.849715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7074.849715][ T10] ___sys_sendmsg+0xee/0x170 [ 7074.849715][ T10] __sys_sendmsg+0xcd/0x170 [ 7074.849715][ T10] do_syscall_64+0xc6/0x1e0 [ 7074.849715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7074.849715][ T10] [ 7074.851442][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7074.851442][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7074.851442][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7074.851442][ T10] ipv6_find_idev+0x102/0x170 [ 7074.851442][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7074.851442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7074.851442][ T10] netlink_rcv_skb+0x130/0x360 [ 7074.851442][ T10] netlink_unicast+0x449/0x710 [ 7074.851442][ T10] netlink_sendmsg+0x723/0xbe0 [ 7074.851442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7074.851442][ T10] ___sys_sendmsg+0xee/0x170 [ 7074.851442][ T10] __sys_sendmsg+0xcd/0x170 [ 7074.851442][ T10] do_syscall_64+0xc6/0x1e0 [ 7074.851442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7074.851442][ T10] [ 7074.853319][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7074.853559][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7074.853559][ T10] netdev_get_by_index+0x5e/0x80 [ 7074.853559][ T10] fib6_nh_init+0x3d8/0x1580 [ 7074.853559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7074.853559][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7074.853559][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7074.853559][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7074.853559][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7074.853559][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7074.853559][ T10] addrconf_dad_begin+0x310/0x670 [ 7074.853559][ T10] addrconf_dad_work+0x10b/0xab0 [ 7074.853559][ T10] process_one_work+0x84d/0x18a0 [ 7074.853559][ T10] worker_thread+0x587/0xd30 [ 7074.853559][ T10] kthread+0x28a/0x350 [ 7074.853559][ T10] ret_from_fork+0x31/0x70 [ 7074.853559][ T10] ret_from_fork_asm+0x1a/0x30 [ 7074.853559][ T10] [ 7074.855794][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7074.855794][ T10] netdev_get_by_index+0x5e/0x80 [ 7074.855794][ T10] fib6_nh_init+0x3d8/0x1580 [ 7074.855794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7074.855794][ T10] ip6_route_add+0x1c/0x140 [ 7074.855794][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7074.855794][ T10] inet6_addr_add+0x4f8/0xa40 [ 7074.855794][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7074.855794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7074.855794][ T10] netlink_rcv_skb+0x130/0x360 [ 7074.855794][ T10] netlink_unicast+0x449/0x710 [ 7074.855794][ T10] netlink_sendmsg+0x723/0xbe0 [ 7074.855794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7074.855794][ T10] ___sys_sendmsg+0xee/0x170 [ 7074.855794][ T10] __sys_sendmsg+0xcd/0x170 [ 7074.855794][ T10] do_syscall_64+0xc6/0x1e0 [ 7074.855794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7074.855794][ T10] [ 7074.858040][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7074.858040][ T10] netdev_get_by_index+0x5e/0x80 [ 7074.858040][ T10] fib6_nh_init+0x3d8/0x1580 [ 7074.858040][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7074.858040][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7074.858040][ T10] ipv6_add_addr+0x411/0x2000 [ 7074.858040][ T10] inet6_addr_add+0x30e/0xa40 [ 7074.858040][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7074.858040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7074.858040][ T10] netlink_rcv_skb+0x130/0x360 [ 7074.858040][ T10] netlink_unicast+0x449/0x710 [ 7074.858040][ T10] netlink_sendmsg+0x723/0xbe0 [ 7074.858040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7074.858040][ T10] ___sys_sendmsg+0xee/0x170 [ 7074.858040][ T10] __sys_sendmsg+0xcd/0x170 [ 7074.858040][ T10] do_syscall_64+0xc6/0x1e0 [ 7074.858040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7074.858040][ T10] [ 7074.860293][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7074.860293][ T10] netdev_get_by_index+0x5e/0x80 [ 7074.860293][ T10] fib6_nh_init+0x3d8/0x1580 [ 7074.860293][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7074.860293][ T10] ip6_route_add+0x1c/0x140 [ 7074.860293][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7074.860293][ T10] addrconf_add_dev+0xe2/0x170 [ 7074.860293][ T10] inet6_addr_add+0x12f/0xa40 [ 7074.860293][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7074.860293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7074.860293][ T10] netlink_rcv_skb+0x130/0x360 [ 7074.860293][ T10] netlink_unicast+0x449/0x710 [ 7074.860293][ T10] netlink_sendmsg+0x723/0xbe0 [ 7074.860293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7074.860293][ T10] ___sys_sendmsg+0xee/0x170 [ 7074.860293][ T10] __sys_sendmsg+0xcd/0x170 [ 7074.860293][ T10] do_syscall_64+0xc6/0x1e0 [ 7074.860293][ T10] [ 7074.862449][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7074.862449][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7074.862449][ T10] ipv6_find_idev+0x102/0x170 [ 7074.862449][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7074.862449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7074.862449][ T10] netlink_rcv_skb+0x130/0x360 [ 7074.862449][ T10] netlink_unicast+0x449/0x710 [ 7074.862449][ T10] netlink_sendmsg+0x723/0xbe0 [ 7074.862449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7074.862449][ T10] ___sys_sendmsg+0xee/0x170 [ 7074.862449][ T10] __sys_sendmsg+0xcd/0x170 [ 7074.862449][ T10] do_syscall_64+0xc6/0x1e0 [ 7074.862449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7074.862449][ T10] [ 7074.864179][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7074.864179][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7074.864179][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7074.864179][ T10] ipv6_find_idev+0x102/0x170 [ 7074.864179][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7074.864179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7074.864179][ T10] netlink_rcv_skb+0x130/0x360 [ 7074.864179][ T10] netlink_unicast+0x449/0x710 [ 7074.864179][ T10] netlink_sendmsg+0x723/0xbe0 [ 7074.864179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7074.864179][ T10] ___sys_sendmsg+0xee/0x170 [ 7074.864179][ T10] __sys_sendmsg+0xcd/0x170 [ 7074.864179][ T10] do_syscall_64+0xc6/0x1e0 [ 7074.864179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7074.864179][ T10] [ 7080.705186][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7080.705630][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7080.705630][ T1167] dst_init+0x84/0x4a0 [ 7080.705630][ T1167] dst_alloc+0x97/0x150 [ 7080.705630][ T1167] ip6_dst_alloc+0x23/0x90 [ 7080.705630][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7080.705630][ T1167] ip6_pol_route+0x56f/0x840 [ 7080.705630][ T1167] fib6_rule_lookup+0x334/0x630 [ 7080.705630][ T1167] ip6_route_output_flags+0x259/0x480 [ 7080.705630][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7080.705630][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7080.705630][ T1167] netlink_rcv_skb+0x130/0x360 [ 7080.705630][ T1167] netlink_unicast+0x449/0x710 [ 7080.705630][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7080.705630][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7080.705630][ T1167] ___sys_sendmsg+0xee/0x170 [ 7080.705630][ T1167] __sys_sendmsg+0xcd/0x170 [ 7080.705630][ T1167] do_syscall_64+0xc6/0x1e0 [ 7080.705630][ T1167] [ 7080.708135][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7080.708135][ T1167] netdev_get_by_index+0x5e/0x80 [ 7080.708135][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7080.708135][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7080.708135][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7080.708135][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7080.708135][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7080.708135][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7080.708135][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7080.708135][ T1167] addrconf_dad_begin+0x310/0x670 [ 7080.708135][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7080.708135][ T1167] process_one_work+0x84d/0x18a0 [ 7080.708135][ T1167] worker_thread+0x587/0xd30 [ 7080.708135][ T1167] kthread+0x28a/0x350 [ 7080.708135][ T1167] ret_from_fork+0x31/0x70 [ 7080.708135][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7080.708135][ T1167] [ 7080.710306][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7080.710306][ T1167] netdev_get_by_index+0x5e/0x80 [ 7080.710306][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7080.710306][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7080.710306][ T1167] ip6_route_add+0x1c/0x140 [ 7080.710306][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7080.710306][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7080.710306][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7080.710306][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7080.710306][ T1167] netlink_rcv_skb+0x130/0x360 [ 7080.710306][ T1167] netlink_unicast+0x449/0x710 [ 7080.710306][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7080.710306][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7080.710306][ T1167] ___sys_sendmsg+0xee/0x170 [ 7080.710306][ T1167] __sys_sendmsg+0xcd/0x170 [ 7080.710306][ T1167] do_syscall_64+0xc6/0x1e0 [ 7080.710306][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7080.710306][ T1167] [ 7080.712574][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7080.712574][ T1167] netdev_get_by_index+0x5e/0x80 [ 7080.712574][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7080.712574][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7080.712574][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7080.712574][ T1167] ipv6_add_addr+0x411/0x2000 [ 7080.712574][ T1167] inet6_addr_add+0x30e/0xa40 [ 7080.712574][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7080.712574][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7080.712574][ T1167] netlink_rcv_skb+0x130/0x360 [ 7080.712574][ T1167] netlink_unicast+0x449/0x710 [ 7080.712574][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7080.712574][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7080.712574][ T1167] ___sys_sendmsg+0xee/0x170 [ 7080.712574][ T1167] __sys_sendmsg+0xcd/0x170 [ 7080.712574][ T1167] do_syscall_64+0xc6/0x1e0 [ 7080.712574][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7080.712574][ T1167] [ 7080.714850][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7080.714850][ T1167] netdev_get_by_index+0x5e/0x80 [ 7080.714850][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7080.714850][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7080.714850][ T1167] ip6_route_add+0x1c/0x140 [ 7080.714850][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7080.714850][ T1167] addrconf_add_dev+0xe2/0x170 [ 7080.714850][ T1167] inet6_addr_add+0x12f/0xa40 [ 7080.714850][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7080.714850][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7080.714850][ T1167] netlink_rcv_skb+0x130/0x360 [ 7080.714850][ T1167] netlink_unicast+0x449/0x710 [ 7080.714850][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7080.714850][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7080.714850][ T1167] ___sys_sendmsg+0xee/0x170 [ 7080.714850][ T1167] __sys_sendmsg+0xcd/0x170 [ 7080.714850][ T1167] do_syscall_64+0xc6/0x1e0 [ 7080.714850][ T1167] [ 7080.717069][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7080.717069][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7080.717069][ T1167] ipv6_find_idev+0x102/0x170 [ 7080.717069][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7080.717069][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7080.717069][ T1167] netlink_rcv_skb+0x130/0x360 [ 7080.717069][ T1167] netlink_unicast+0x449/0x710 [ 7080.717069][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7080.717069][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7080.717069][ T1167] ___sys_sendmsg+0xee/0x170 [ 7080.717069][ T1167] __sys_sendmsg+0xcd/0x170 [ 7080.717069][ T1167] do_syscall_64+0xc6/0x1e0 [ 7080.717069][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7080.717069][ T1167] [ 7080.718803][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7080.718803][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7080.718803][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7080.718803][ T1167] ipv6_find_idev+0x102/0x170 [ 7080.718803][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7080.718803][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7080.718803][ T1167] netlink_rcv_skb+0x130/0x360 [ 7080.718803][ T1167] netlink_unicast+0x449/0x710 [ 7080.718803][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7080.718803][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7080.718803][ T1167] ___sys_sendmsg+0xee/0x170 [ 7080.718803][ T1167] __sys_sendmsg+0xcd/0x170 [ 7080.718803][ T1167] do_syscall_64+0xc6/0x1e0 [ 7080.718803][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7080.718803][ T1167] [ 7085.105043][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7085.105453][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7085.105453][ T10] netdev_get_by_index+0x5e/0x80 [ 7085.105453][ T10] fib6_nh_init+0x3d8/0x1580 [ 7085.105453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7085.105453][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7085.105453][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7085.105453][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7085.105453][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7085.105453][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7085.105453][ T10] addrconf_dad_begin+0x310/0x670 [ 7085.105453][ T10] addrconf_dad_work+0x10b/0xab0 [ 7085.105453][ T10] process_one_work+0x84d/0x18a0 [ 7085.105453][ T10] worker_thread+0x587/0xd30 [ 7085.105453][ T10] kthread+0x28a/0x350 [ 7085.105453][ T10] ret_from_fork+0x31/0x70 [ 7085.105453][ T10] ret_from_fork_asm+0x1a/0x30 [ 7085.105453][ T10] [ 7085.107408][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7085.107408][ T10] netdev_get_by_index+0x5e/0x80 [ 7085.107408][ T10] fib6_nh_init+0x3d8/0x1580 [ 7085.107408][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7085.107408][ T10] ip6_route_add+0x1c/0x140 [ 7085.107408][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7085.107408][ T10] inet6_addr_add+0x4f8/0xa40 [ 7085.107408][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7085.107408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7085.107408][ T10] netlink_rcv_skb+0x130/0x360 [ 7085.107408][ T10] netlink_unicast+0x449/0x710 [ 7085.107408][ T10] netlink_sendmsg+0x723/0xbe0 [ 7085.107408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7085.107408][ T10] ___sys_sendmsg+0xee/0x170 [ 7085.107408][ T10] __sys_sendmsg+0xcd/0x170 [ 7085.107408][ T10] do_syscall_64+0xc6/0x1e0 [ 7085.107408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7085.107408][ T10] [ 7085.109412][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7085.109412][ T10] netdev_get_by_index+0x5e/0x80 [ 7085.109412][ T10] fib6_nh_init+0x3d8/0x1580 [ 7085.109412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7085.109412][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7085.109412][ T10] ipv6_add_addr+0x411/0x2000 [ 7085.109412][ T10] inet6_addr_add+0x30e/0xa40 [ 7085.109412][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7085.109412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7085.109412][ T10] netlink_rcv_skb+0x130/0x360 [ 7085.109412][ T10] netlink_unicast+0x449/0x710 [ 7085.109412][ T10] netlink_sendmsg+0x723/0xbe0 [ 7085.109412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7085.109412][ T10] ___sys_sendmsg+0xee/0x170 [ 7085.109412][ T10] __sys_sendmsg+0xcd/0x170 [ 7085.109412][ T10] do_syscall_64+0xc6/0x1e0 [ 7085.109412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7085.109412][ T10] [ 7085.111425][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7085.111425][ T10] netdev_get_by_index+0x5e/0x80 [ 7085.111425][ T10] fib6_nh_init+0x3d8/0x1580 [ 7085.111425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7085.111425][ T10] ip6_route_add+0x1c/0x140 [ 7085.111425][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7085.111425][ T10] addrconf_add_dev+0xe2/0x170 [ 7085.111425][ T10] inet6_addr_add+0x12f/0xa40 [ 7085.111425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7085.111425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7085.111425][ T10] netlink_rcv_skb+0x130/0x360 [ 7085.111425][ T10] netlink_unicast+0x449/0x710 [ 7085.111425][ T10] netlink_sendmsg+0x723/0xbe0 [ 7085.111425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7085.111425][ T10] ___sys_sendmsg+0xee/0x170 [ 7085.111425][ T10] __sys_sendmsg+0xcd/0x170 [ 7085.111425][ T10] do_syscall_64+0xc6/0x1e0 [ 7085.111425][ T10] [ 7085.113398][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7085.113398][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7085.113398][ T10] ipv6_find_idev+0x102/0x170 [ 7085.113398][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7085.113398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7085.113398][ T10] netlink_rcv_skb+0x130/0x360 [ 7085.113398][ T10] netlink_unicast+0x449/0x710 [ 7085.113398][ T10] netlink_sendmsg+0x723/0xbe0 [ 7085.113398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7085.113398][ T10] ___sys_sendmsg+0xee/0x170 [ 7085.113398][ T10] __sys_sendmsg+0xcd/0x170 [ 7085.113398][ T10] do_syscall_64+0xc6/0x1e0 [ 7085.113398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7085.113398][ T10] [ 7085.114952][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7085.114952][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7085.114952][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7085.114952][ T10] ipv6_find_idev+0x102/0x170 [ 7085.114952][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7085.114952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7085.114952][ T10] netlink_rcv_skb+0x130/0x360 [ 7085.114952][ T10] netlink_unicast+0x449/0x710 [ 7085.114952][ T10] netlink_sendmsg+0x723/0xbe0 [ 7085.114952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7085.114952][ T10] ___sys_sendmsg+0xee/0x170 [ 7085.114952][ T10] __sys_sendmsg+0xcd/0x170 [ 7085.114952][ T10] do_syscall_64+0xc6/0x1e0 [ 7085.114952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7085.114952][ T10] [ 7085.116653][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7085.116896][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7085.116896][ T10] netdev_get_by_index+0x5e/0x80 [ 7085.116896][ T10] fib6_nh_init+0x3d8/0x1580 [ 7085.116896][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7085.116896][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7085.116896][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7085.116896][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7085.116896][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7085.116896][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7085.116896][ T10] addrconf_dad_begin+0x310/0x670 [ 7085.116896][ T10] addrconf_dad_work+0x10b/0xab0 [ 7085.116896][ T10] process_one_work+0x84d/0x18a0 [ 7085.116896][ T10] worker_thread+0x587/0xd30 [ 7085.116896][ T10] kthread+0x28a/0x350 [ 7085.116896][ T10] ret_from_fork+0x31/0x70 [ 7085.116896][ T10] ret_from_fork_asm+0x1a/0x30 [ 7085.116896][ T10] [ 7085.118819][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7085.118819][ T10] netdev_get_by_index+0x5e/0x80 [ 7085.118819][ T10] fib6_nh_init+0x3d8/0x1580 [ 7085.118819][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7085.118819][ T10] ip6_route_add+0x1c/0x140 [ 7085.118819][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7085.118819][ T10] inet6_addr_add+0x4f8/0xa40 [ 7085.118819][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7085.118819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7085.118819][ T10] netlink_rcv_skb+0x130/0x360 [ 7085.118819][ T10] netlink_unicast+0x449/0x710 [ 7085.118819][ T10] netlink_sendmsg+0x723/0xbe0 [ 7085.118819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7085.118819][ T10] ___sys_sendmsg+0xee/0x170 [ 7085.118819][ T10] __sys_sendmsg+0xcd/0x170 [ 7085.118819][ T10] do_syscall_64+0xc6/0x1e0 [ 7085.118819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7085.118819][ T10] [ 7085.120827][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7085.120827][ T10] netdev_get_by_index+0x5e/0x80 [ 7085.120827][ T10] fib6_nh_init+0x3d8/0x1580 [ 7085.120827][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7085.120827][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7085.120827][ T10] ipv6_add_addr+0x411/0x2000 [ 7085.120827][ T10] inet6_addr_add+0x30e/0xa40 [ 7085.120827][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7085.120827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7085.120827][ T10] netlink_rcv_skb+0x130/0x360 [ 7085.120827][ T10] netlink_unicast+0x449/0x710 [ 7085.120827][ T10] netlink_sendmsg+0x723/0xbe0 [ 7085.120827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7085.120827][ T10] ___sys_sendmsg+0xee/0x170 [ 7085.120827][ T10] __sys_sendmsg+0xcd/0x170 [ 7085.120827][ T10] do_syscall_64+0xc6/0x1e0 [ 7085.120827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7085.120827][ T10] [ 7085.123363][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7085.123363][ T10] netdev_get_by_index+0x5e/0x80 [ 7085.123363][ T10] fib6_nh_init+0x3d8/0x1580 [ 7085.123363][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7085.123363][ T10] ip6_route_add+0x1c/0x140 [ 7085.123363][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7085.123363][ T10] addrconf_add_dev+0xe2/0x170 [ 7085.123363][ T10] inet6_addr_add+0x12f/0xa40 [ 7085.123363][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7085.123363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7085.123363][ T10] netlink_rcv_skb+0x130/0x360 [ 7085.123363][ T10] netlink_unicast+0x449/0x710 [ 7085.123363][ T10] netlink_sendmsg+0x723/0xbe0 [ 7085.123363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7085.123363][ T10] ___sys_sendmsg+0xee/0x170 [ 7085.123363][ T10] __sys_sendmsg+0xcd/0x170 [ 7085.123363][ T10] do_syscall_64+0xc6/0x1e0 [ 7085.123363][ T10] [ 7085.125338][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7085.125338][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7085.125338][ T10] ipv6_find_idev+0x102/0x170 [ 7085.125338][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7085.125338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7085.125338][ T10] netlink_rcv_skb+0x130/0x360 [ 7085.125338][ T10] netlink_unicast+0x449/0x710 [ 7085.125338][ T10] netlink_sendmsg+0x723/0xbe0 [ 7085.125338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7085.125338][ T10] ___sys_sendmsg+0xee/0x170 [ 7085.125338][ T10] __sys_sendmsg+0xcd/0x170 [ 7085.125338][ T10] do_syscall_64+0xc6/0x1e0 [ 7085.125338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7085.125338][ T10] [ 7085.126882][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7085.126882][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7085.126882][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7085.126882][ T10] ipv6_find_idev+0x102/0x170 [ 7085.126882][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7085.126882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7085.126882][ T10] netlink_rcv_skb+0x130/0x360 [ 7085.126882][ T10] netlink_unicast+0x449/0x710 [ 7085.126882][ T10] netlink_sendmsg+0x723/0xbe0 [ 7085.126882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7085.126882][ T10] ___sys_sendmsg+0xee/0x170 [ 7085.126882][ T10] __sys_sendmsg+0xcd/0x170 [ 7085.126882][ T10] do_syscall_64+0xc6/0x1e0 [ 7085.126882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7085.126882][ T10] [ 7085.128673][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7085.128927][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7085.128927][ T10] netdev_get_by_index+0x5e/0x80 [ 7085.128927][ T10] fib6_nh_init+0x3d8/0x1580 [ 7085.128927][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7085.128927][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7085.128927][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7085.128927][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7085.128927][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7085.128927][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7085.128927][ T10] addrconf_dad_begin+0x310/0x670 [ 7085.128927][ T10] addrconf_dad_work+0x10b/0xab0 [ 7085.128927][ T10] process_one_work+0x84d/0x18a0 [ 7085.128927][ T10] worker_thread+0x587/0xd30 [ 7085.128927][ T10] kthread+0x28a/0x350 [ 7085.128927][ T10] ret_from_fork+0x31/0x70 [ 7085.128927][ T10] ret_from_fork_asm+0x1a/0x30 [ 7085.128927][ T10] [ 7085.130847][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7085.130847][ T10] netdev_get_by_index+0x5e/0x80 [ 7085.130847][ T10] fib6_nh_init+0x3d8/0x1580 [ 7085.130847][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7085.130847][ T10] ip6_route_add+0x1c/0x140 [ 7085.130847][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7085.130847][ T10] inet6_addr_add+0x4f8/0xa40 [ 7085.130847][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7085.130847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7085.130847][ T10] netlink_rcv_skb+0x130/0x360 [ 7085.130847][ T10] netlink_unicast+0x449/0x710 [ 7085.130847][ T10] netlink_sendmsg+0x723/0xbe0 [ 7085.130847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7085.130847][ T10] ___sys_sendmsg+0xee/0x170 [ 7085.130847][ T10] __sys_sendmsg+0xcd/0x170 [ 7085.130847][ T10] do_syscall_64+0xc6/0x1e0 [ 7085.130847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7085.130847][ T10] [ 7085.133064][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7085.133064][ T10] netdev_get_by_index+0x5e/0x80 [ 7085.133064][ T10] fib6_nh_init+0x3d8/0x1580 [ 7085.133064][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7085.133064][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7085.133064][ T10] ipv6_add_addr+0x411/0x2000 [ 7085.133064][ T10] inet6_addr_add+0x30e/0xa40 [ 7085.133064][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7085.133064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7085.133064][ T10] netlink_rcv_skb+0x130/0x360 [ 7085.133064][ T10] netlink_unicast+0x449/0x710 [ 7085.133064][ T10] netlink_sendmsg+0x723/0xbe0 [ 7085.133064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7085.133064][ T10] ___sys_sendmsg+0xee/0x170 [ 7085.133064][ T10] __sys_sendmsg+0xcd/0x170 [ 7085.133064][ T10] do_syscall_64+0xc6/0x1e0 [ 7085.133064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7085.133064][ T10] [ 7085.135324][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7085.135324][ T10] netdev_get_by_index+0x5e/0x80 [ 7085.135324][ T10] fib6_nh_init+0x3d8/0x1580 [ 7085.135324][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7085.135324][ T10] ip6_route_add+0x1c/0x140 [ 7085.135324][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7085.135324][ T10] addrconf_add_dev+0xe2/0x170 [ 7085.135324][ T10] inet6_addr_add+0x12f/0xa40 [ 7085.135324][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7085.135324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7085.135324][ T10] netlink_rcv_skb+0x130/0x360 [ 7085.135324][ T10] netlink_unicast+0x449/0x710 [ 7085.135324][ T10] netlink_sendmsg+0x723/0xbe0 [ 7085.135324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7085.135324][ T10] ___sys_sendmsg+0xee/0x170 [ 7085.135324][ T10] __sys_sendmsg+0xcd/0x170 [ 7085.135324][ T10] do_syscall_64+0xc6/0x1e0 [ 7085.135324][ T10] [ 7085.137538][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7085.137538][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7085.137538][ T10] ipv6_find_idev+0x102/0x170 [ 7085.137538][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7085.137538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7085.137538][ T10] netlink_rcv_skb+0x130/0x360 [ 7085.137538][ T10] netlink_unicast+0x449/0x710 [ 7085.137538][ T10] netlink_sendmsg+0x723/0xbe0 [ 7085.137538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7085.137538][ T10] ___sys_sendmsg+0xee/0x170 [ 7085.137538][ T10] __sys_sendmsg+0xcd/0x170 [ 7085.137538][ T10] do_syscall_64+0xc6/0x1e0 [ 7085.137538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7085.137538][ T10] [ 7085.139260][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7085.139260][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7085.139260][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7085.139260][ T10] ipv6_find_idev+0x102/0x170 [ 7085.139260][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7085.139260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7085.139260][ T10] netlink_rcv_skb+0x130/0x360 [ 7085.139260][ T10] netlink_unicast+0x449/0x710 [ 7085.139260][ T10] netlink_sendmsg+0x723/0xbe0 [ 7085.139260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7085.139260][ T10] ___sys_sendmsg+0xee/0x170 [ 7085.139260][ T10] __sys_sendmsg+0xcd/0x170 [ 7085.139260][ T10] do_syscall_64+0xc6/0x1e0 [ 7085.139260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7085.139260][ T10] [ 7085.141204][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7085.141505][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7085.141505][ T10] netdev_get_by_index+0x5e/0x80 [ 7085.141505][ T10] fib6_nh_init+0x3d8/0x1580 [ 7085.141505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7085.141505][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7085.141505][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7085.141505][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7085.141505][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7085.141505][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7085.141505][ T10] addrconf_dad_begin+0x310/0x670 [ 7085.141505][ T10] addrconf_dad_work+0x10b/0xab0 [ 7085.141505][ T10] process_one_work+0x84d/0x18a0 [ 7085.141505][ T10] worker_thread+0x587/0xd30 [ 7085.141505][ T10] kthread+0x28a/0x350 [ 7085.141505][ T10] ret_from_fork+0x31/0x70 [ 7085.141505][ T10] ret_from_fork_asm+0x1a/0x30 [ 7085.141505][ T10] [ 7085.143604][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7085.143604][ T10] netdev_get_by_index+0x5e/0x80 [ 7085.143604][ T10] fib6_nh_init+0x3d8/0x1580 [ 7085.143604][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7085.143604][ T10] ip6_route_add+0x1c/0x140 [ 7085.143604][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7085.143604][ T10] inet6_addr_add+0x4f8/0xa40 [ 7085.143604][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7085.143604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7085.143604][ T10] netlink_rcv_skb+0x130/0x360 [ 7085.143604][ T10] netlink_unicast+0x449/0x710 [ 7085.143604][ T10] netlink_sendmsg+0x723/0xbe0 [ 7085.143604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7085.143604][ T10] ___sys_sendmsg+0xee/0x170 [ 7085.143604][ T10] __sys_sendmsg+0xcd/0x170 [ 7085.143604][ T10] do_syscall_64+0xc6/0x1e0 [ 7085.143604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7085.143604][ T10] [ 7085.145854][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7085.145854][ T10] netdev_get_by_index+0x5e/0x80 [ 7085.145854][ T10] fib6_nh_init+0x3d8/0x1580 [ 7085.145854][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7085.145854][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7085.145854][ T10] ipv6_add_addr+0x411/0x2000 [ 7085.145854][ T10] inet6_addr_add+0x30e/0xa40 [ 7085.145854][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7085.145854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7085.145854][ T10] netlink_rcv_skb+0x130/0x360 [ 7085.145854][ T10] netlink_unicast+0x449/0x710 [ 7085.145854][ T10] netlink_sendmsg+0x723/0xbe0 [ 7085.145854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7085.145854][ T10] ___sys_sendmsg+0xee/0x170 [ 7085.145854][ T10] __sys_sendmsg+0xcd/0x170 [ 7085.145854][ T10] do_syscall_64+0xc6/0x1e0 [ 7085.145854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7085.145854][ T10] [ 7085.148092][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7085.148092][ T10] netdev_get_by_index+0x5e/0x80 [ 7085.148092][ T10] fib6_nh_init+0x3d8/0x1580 [ 7085.148092][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7085.148092][ T10] ip6_route_add+0x1c/0x140 [ 7085.148092][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7085.148092][ T10] addrconf_add_dev+0xe2/0x170 [ 7085.148092][ T10] inet6_addr_add+0x12f/0xa40 [ 7085.148092][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7085.148092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7085.148092][ T10] netlink_rcv_skb+0x130/0x360 [ 7085.148092][ T10] netlink_unicast+0x449/0x710 [ 7085.148092][ T10] netlink_sendmsg+0x723/0xbe0 [ 7085.148092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7085.148092][ T10] ___sys_sendmsg+0xee/0x170 [ 7085.148092][ T10] __sys_sendmsg+0xcd/0x170 [ 7085.148092][ T10] do_syscall_64+0xc6/0x1e0 [ 7085.148092][ T10] [ 7085.150382][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7085.150382][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7085.150382][ T10] ipv6_find_idev+0x102/0x170 [ 7085.150382][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7085.150382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7085.150382][ T10] netlink_rcv_skb+0x130/0x360 [ 7085.150382][ T10] netlink_unicast+0x449/0x710 [ 7085.150382][ T10] netlink_sendmsg+0x723/0xbe0 [ 7085.150382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7085.150382][ T10] ___sys_sendmsg+0xee/0x170 [ 7085.150382][ T10] __sys_sendmsg+0xcd/0x170 [ 7085.150382][ T10] do_syscall_64+0xc6/0x1e0 [ 7085.150382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7085.150382][ T10] [ 7085.152106][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7085.152106][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7085.152106][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7085.152106][ T10] ipv6_find_idev+0x102/0x170 [ 7085.152106][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7085.152106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7085.152106][ T10] netlink_rcv_skb+0x130/0x360 [ 7085.152106][ T10] netlink_unicast+0x449/0x710 [ 7085.152106][ T10] netlink_sendmsg+0x723/0xbe0 [ 7085.152106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7085.152106][ T10] ___sys_sendmsg+0xee/0x170 [ 7085.152106][ T10] __sys_sendmsg+0xcd/0x170 [ 7085.152106][ T10] do_syscall_64+0xc6/0x1e0 [ 7085.152106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7085.152106][ T10] [ 7090.961107][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7090.961584][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7090.961584][ T1167] dst_init+0x84/0x4a0 [ 7090.961584][ T1167] dst_alloc+0x97/0x150 [ 7090.961584][ T1167] ip6_dst_alloc+0x23/0x90 [ 7090.961584][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7090.961584][ T1167] ip6_pol_route+0x56f/0x840 [ 7090.961584][ T1167] fib6_rule_lookup+0x334/0x630 [ 7090.961584][ T1167] ip6_route_output_flags+0x259/0x480 [ 7090.961584][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7090.961584][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7090.961584][ T1167] netlink_rcv_skb+0x130/0x360 [ 7090.961584][ T1167] netlink_unicast+0x449/0x710 [ 7090.961584][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7090.961584][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7090.961584][ T1167] ___sys_sendmsg+0xee/0x170 [ 7090.961584][ T1167] __sys_sendmsg+0xcd/0x170 [ 7090.961584][ T1167] do_syscall_64+0xc6/0x1e0 [ 7090.961584][ T1167] [ 7090.963806][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7090.963806][ T1167] netdev_get_by_index+0x5e/0x80 [ 7090.963806][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7090.963806][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7090.963806][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7090.963806][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7090.963806][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7090.963806][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7090.963806][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7090.963806][ T1167] addrconf_dad_begin+0x310/0x670 [ 7090.963806][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7090.963806][ T1167] process_one_work+0x84d/0x18a0 [ 7090.963806][ T1167] worker_thread+0x587/0xd30 [ 7090.963806][ T1167] kthread+0x28a/0x350 [ 7090.963806][ T1167] ret_from_fork+0x31/0x70 [ 7090.963806][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7090.963806][ T1167] [ 7090.965996][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7090.965996][ T1167] netdev_get_by_index+0x5e/0x80 [ 7090.965996][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7090.965996][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7090.965996][ T1167] ip6_route_add+0x1c/0x140 [ 7090.965996][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7090.965996][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7090.965996][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7090.965996][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7090.965996][ T1167] netlink_rcv_skb+0x130/0x360 [ 7090.965996][ T1167] netlink_unicast+0x449/0x710 [ 7090.965996][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7090.965996][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7090.965996][ T1167] ___sys_sendmsg+0xee/0x170 [ 7090.965996][ T1167] __sys_sendmsg+0xcd/0x170 [ 7090.965996][ T1167] do_syscall_64+0xc6/0x1e0 [ 7090.965996][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7090.965996][ T1167] [ 7090.968261][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7090.968261][ T1167] netdev_get_by_index+0x5e/0x80 [ 7090.968261][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7090.968261][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7090.968261][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7090.968261][ T1167] ipv6_add_addr+0x411/0x2000 [ 7090.968261][ T1167] inet6_addr_add+0x30e/0xa40 [ 7090.968261][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7090.968261][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7090.968261][ T1167] netlink_rcv_skb+0x130/0x360 [ 7090.968261][ T1167] netlink_unicast+0x449/0x710 [ 7090.968261][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7090.968261][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7090.968261][ T1167] ___sys_sendmsg+0xee/0x170 [ 7090.968261][ T1167] __sys_sendmsg+0xcd/0x170 [ 7090.968261][ T1167] do_syscall_64+0xc6/0x1e0 [ 7090.968261][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7090.968261][ T1167] [ 7090.970526][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7090.970526][ T1167] netdev_get_by_index+0x5e/0x80 [ 7090.970526][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7090.970526][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7090.970526][ T1167] ip6_route_add+0x1c/0x140 [ 7090.970526][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7090.970526][ T1167] addrconf_add_dev+0xe2/0x170 [ 7090.970526][ T1167] inet6_addr_add+0x12f/0xa40 [ 7090.970526][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7090.970526][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7090.970526][ T1167] netlink_rcv_skb+0x130/0x360 [ 7090.970526][ T1167] netlink_unicast+0x449/0x710 [ 7090.970526][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7090.970526][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7090.970526][ T1167] ___sys_sendmsg+0xee/0x170 [ 7090.970526][ T1167] __sys_sendmsg+0xcd/0x170 [ 7090.970526][ T1167] do_syscall_64+0xc6/0x1e0 [ 7090.970526][ T1167] [ 7090.972750][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7090.972750][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7090.972750][ T1167] ipv6_find_idev+0x102/0x170 [ 7090.972750][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7090.972750][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7090.972750][ T1167] netlink_rcv_skb+0x130/0x360 [ 7090.972750][ T1167] netlink_unicast+0x449/0x710 [ 7090.972750][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7090.972750][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7090.972750][ T1167] ___sys_sendmsg+0xee/0x170 [ 7090.972750][ T1167] __sys_sendmsg+0xcd/0x170 [ 7090.972750][ T1167] do_syscall_64+0xc6/0x1e0 [ 7090.972750][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7090.972750][ T1167] [ 7090.974489][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7090.974489][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7090.974489][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7090.974489][ T1167] ipv6_find_idev+0x102/0x170 [ 7090.974489][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7090.974489][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7090.974489][ T1167] netlink_rcv_skb+0x130/0x360 [ 7090.974489][ T1167] netlink_unicast+0x449/0x710 [ 7090.974489][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7090.974489][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7090.974489][ T1167] ___sys_sendmsg+0xee/0x170 [ 7090.974489][ T1167] __sys_sendmsg+0xcd/0x170 [ 7090.974489][ T1167] do_syscall_64+0xc6/0x1e0 [ 7090.974489][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7090.974489][ T1167] [ 7095.393102][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7095.393503][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7095.393503][ T10] netdev_get_by_index+0x5e/0x80 [ 7095.393503][ T10] fib6_nh_init+0x3d8/0x1580 [ 7095.393503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7095.393503][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7095.393503][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7095.393503][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7095.393503][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7095.393503][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7095.393503][ T10] addrconf_dad_begin+0x310/0x670 [ 7095.393503][ T10] addrconf_dad_work+0x10b/0xab0 [ 7095.393503][ T10] process_one_work+0x84d/0x18a0 [ 7095.393503][ T10] worker_thread+0x587/0xd30 [ 7095.393503][ T10] kthread+0x28a/0x350 [ 7095.393503][ T10] ret_from_fork+0x31/0x70 [ 7095.393503][ T10] ret_from_fork_asm+0x1a/0x30 [ 7095.393503][ T10] [ 7095.395469][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7095.395469][ T10] netdev_get_by_index+0x5e/0x80 [ 7095.395469][ T10] fib6_nh_init+0x3d8/0x1580 [ 7095.395469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7095.395469][ T10] ip6_route_add+0x1c/0x140 [ 7095.395469][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7095.395469][ T10] inet6_addr_add+0x4f8/0xa40 [ 7095.395469][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7095.395469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7095.395469][ T10] netlink_rcv_skb+0x130/0x360 [ 7095.395469][ T10] netlink_unicast+0x449/0x710 [ 7095.395469][ T10] netlink_sendmsg+0x723/0xbe0 [ 7095.395469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7095.395469][ T10] ___sys_sendmsg+0xee/0x170 [ 7095.395469][ T10] __sys_sendmsg+0xcd/0x170 [ 7095.395469][ T10] do_syscall_64+0xc6/0x1e0 [ 7095.395469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7095.395469][ T10] [ 7095.397479][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7095.397479][ T10] netdev_get_by_index+0x5e/0x80 [ 7095.397479][ T10] fib6_nh_init+0x3d8/0x1580 [ 7095.397479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7095.397479][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7095.397479][ T10] ipv6_add_addr+0x411/0x2000 [ 7095.397479][ T10] inet6_addr_add+0x30e/0xa40 [ 7095.397479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7095.397479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7095.397479][ T10] netlink_rcv_skb+0x130/0x360 [ 7095.397479][ T10] netlink_unicast+0x449/0x710 [ 7095.397479][ T10] netlink_sendmsg+0x723/0xbe0 [ 7095.397479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7095.397479][ T10] ___sys_sendmsg+0xee/0x170 [ 7095.397479][ T10] __sys_sendmsg+0xcd/0x170 [ 7095.397479][ T10] do_syscall_64+0xc6/0x1e0 [ 7095.397479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7095.397479][ T10] [ 7095.399487][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7095.399487][ T10] netdev_get_by_index+0x5e/0x80 [ 7095.399487][ T10] fib6_nh_init+0x3d8/0x1580 [ 7095.399487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7095.399487][ T10] ip6_route_add+0x1c/0x140 [ 7095.399487][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7095.399487][ T10] addrconf_add_dev+0xe2/0x170 [ 7095.399487][ T10] inet6_addr_add+0x12f/0xa40 [ 7095.399487][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7095.399487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7095.399487][ T10] netlink_rcv_skb+0x130/0x360 [ 7095.399487][ T10] netlink_unicast+0x449/0x710 [ 7095.399487][ T10] netlink_sendmsg+0x723/0xbe0 [ 7095.399487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7095.399487][ T10] ___sys_sendmsg+0xee/0x170 [ 7095.399487][ T10] __sys_sendmsg+0xcd/0x170 [ 7095.399487][ T10] do_syscall_64+0xc6/0x1e0 [ 7095.399487][ T10] [ 7095.401468][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7095.401468][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7095.401468][ T10] ipv6_find_idev+0x102/0x170 [ 7095.401468][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7095.401468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7095.401468][ T10] netlink_rcv_skb+0x130/0x360 [ 7095.401468][ T10] netlink_unicast+0x449/0x710 [ 7095.401468][ T10] netlink_sendmsg+0x723/0xbe0 [ 7095.401468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7095.401468][ T10] ___sys_sendmsg+0xee/0x170 [ 7095.401468][ T10] __sys_sendmsg+0xcd/0x170 [ 7095.401468][ T10] do_syscall_64+0xc6/0x1e0 [ 7095.401468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7095.401468][ T10] [ 7095.403012][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7095.403012][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7095.403012][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7095.403012][ T10] ipv6_find_idev+0x102/0x170 [ 7095.403012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7095.403012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7095.403012][ T10] netlink_rcv_skb+0x130/0x360 [ 7095.403012][ T10] netlink_unicast+0x449/0x710 [ 7095.403012][ T10] netlink_sendmsg+0x723/0xbe0 [ 7095.403012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7095.403012][ T10] ___sys_sendmsg+0xee/0x170 [ 7095.403012][ T10] __sys_sendmsg+0xcd/0x170 [ 7095.403012][ T10] do_syscall_64+0xc6/0x1e0 [ 7095.403012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7095.403012][ T10] [ 7095.404722][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7095.404964][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7095.404964][ T10] netdev_get_by_index+0x5e/0x80 [ 7095.404964][ T10] fib6_nh_init+0x3d8/0x1580 [ 7095.404964][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7095.404964][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7095.404964][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7095.404964][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7095.404964][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7095.404964][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7095.404964][ T10] addrconf_dad_begin+0x310/0x670 [ 7095.404964][ T10] addrconf_dad_work+0x10b/0xab0 [ 7095.404964][ T10] process_one_work+0x84d/0x18a0 [ 7095.404964][ T10] worker_thread+0x587/0xd30 [ 7095.404964][ T10] kthread+0x28a/0x350 [ 7095.404964][ T10] ret_from_fork+0x31/0x70 [ 7095.404964][ T10] ret_from_fork_asm+0x1a/0x30 [ 7095.404964][ T10] [ 7095.406877][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7095.406877][ T10] netdev_get_by_index+0x5e/0x80 [ 7095.406877][ T10] fib6_nh_init+0x3d8/0x1580 [ 7095.406877][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7095.406877][ T10] ip6_route_add+0x1c/0x140 [ 7095.406877][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7095.406877][ T10] inet6_addr_add+0x4f8/0xa40 [ 7095.406877][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7095.406877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7095.406877][ T10] netlink_rcv_skb+0x130/0x360 [ 7095.406877][ T10] netlink_unicast+0x449/0x710 [ 7095.406877][ T10] netlink_sendmsg+0x723/0xbe0 [ 7095.406877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7095.406877][ T10] ___sys_sendmsg+0xee/0x170 [ 7095.406877][ T10] __sys_sendmsg+0xcd/0x170 [ 7095.406877][ T10] do_syscall_64+0xc6/0x1e0 [ 7095.406877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7095.406877][ T10] [ 7095.408885][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7095.408885][ T10] netdev_get_by_index+0x5e/0x80 [ 7095.408885][ T10] fib6_nh_init+0x3d8/0x1580 [ 7095.408885][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7095.408885][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7095.408885][ T10] ipv6_add_addr+0x411/0x2000 [ 7095.408885][ T10] inet6_addr_add+0x30e/0xa40 [ 7095.408885][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7095.408885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7095.408885][ T10] netlink_rcv_skb+0x130/0x360 [ 7095.408885][ T10] netlink_unicast+0x449/0x710 [ 7095.408885][ T10] netlink_sendmsg+0x723/0xbe0 [ 7095.408885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7095.408885][ T10] ___sys_sendmsg+0xee/0x170 [ 7095.408885][ T10] __sys_sendmsg+0xcd/0x170 [ 7095.408885][ T10] do_syscall_64+0xc6/0x1e0 [ 7095.408885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7095.408885][ T10] [ 7095.410893][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7095.410893][ T10] netdev_get_by_index+0x5e/0x80 [ 7095.410893][ T10] fib6_nh_init+0x3d8/0x1580 [ 7095.410893][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7095.410893][ T10] ip6_route_add+0x1c/0x140 [ 7095.410893][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7095.410893][ T10] addrconf_add_dev+0xe2/0x170 [ 7095.410893][ T10] inet6_addr_add+0x12f/0xa40 [ 7095.410893][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7095.410893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7095.410893][ T10] netlink_rcv_skb+0x130/0x360 [ 7095.410893][ T10] netlink_unicast+0x449/0x710 [ 7095.410893][ T10] netlink_sendmsg+0x723/0xbe0 [ 7095.410893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7095.410893][ T10] ___sys_sendmsg+0xee/0x170 [ 7095.410893][ T10] __sys_sendmsg+0xcd/0x170 [ 7095.410893][ T10] do_syscall_64+0xc6/0x1e0 [ 7095.410893][ T10] [ 7095.412862][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7095.412862][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7095.412862][ T10] ipv6_find_idev+0x102/0x170 [ 7095.412862][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7095.412862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7095.412862][ T10] netlink_rcv_skb+0x130/0x360 [ 7095.412862][ T10] netlink_unicast+0x449/0x710 [ 7095.412862][ T10] netlink_sendmsg+0x723/0xbe0 [ 7095.412862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7095.412862][ T10] ___sys_sendmsg+0xee/0x170 [ 7095.412862][ T10] __sys_sendmsg+0xcd/0x170 [ 7095.412862][ T10] do_syscall_64+0xc6/0x1e0 [ 7095.412862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7095.412862][ T10] [ 7095.414491][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7095.414491][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7095.414491][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7095.414491][ T10] ipv6_find_idev+0x102/0x170 [ 7095.414491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7095.414491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7095.414491][ T10] netlink_rcv_skb+0x130/0x360 [ 7095.414491][ T10] netlink_unicast+0x449/0x710 [ 7095.414491][ T10] netlink_sendmsg+0x723/0xbe0 [ 7095.414491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7095.414491][ T10] ___sys_sendmsg+0xee/0x170 [ 7095.414491][ T10] __sys_sendmsg+0xcd/0x170 [ 7095.414491][ T10] do_syscall_64+0xc6/0x1e0 [ 7095.414491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7095.414491][ T10] [ 7095.416196][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7095.416440][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7095.416440][ T10] netdev_get_by_index+0x5e/0x80 [ 7095.416440][ T10] fib6_nh_init+0x3d8/0x1580 [ 7095.416440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7095.416440][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7095.416440][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7095.416440][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7095.416440][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7095.416440][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7095.416440][ T10] addrconf_dad_begin+0x310/0x670 [ 7095.416440][ T10] addrconf_dad_work+0x10b/0xab0 [ 7095.416440][ T10] process_one_work+0x84d/0x18a0 [ 7095.416440][ T10] worker_thread+0x587/0xd30 [ 7095.416440][ T10] kthread+0x28a/0x350 [ 7095.416440][ T10] ret_from_fork+0x31/0x70 [ 7095.416440][ T10] ret_from_fork_asm+0x1a/0x30 [ 7095.416440][ T10] [ 7095.418359][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7095.418359][ T10] netdev_get_by_index+0x5e/0x80 [ 7095.418359][ T10] fib6_nh_init+0x3d8/0x1580 [ 7095.418359][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7095.418359][ T10] ip6_route_add+0x1c/0x140 [ 7095.418359][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7095.418359][ T10] inet6_addr_add+0x4f8/0xa40 [ 7095.418359][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7095.418359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7095.418359][ T10] netlink_rcv_skb+0x130/0x360 [ 7095.418359][ T10] netlink_unicast+0x449/0x710 [ 7095.418359][ T10] netlink_sendmsg+0x723/0xbe0 [ 7095.418359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7095.418359][ T10] ___sys_sendmsg+0xee/0x170 [ 7095.418359][ T10] __sys_sendmsg+0xcd/0x170 [ 7095.418359][ T10] do_syscall_64+0xc6/0x1e0 [ 7095.418359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7095.418359][ T10] [ 7095.420573][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7095.420573][ T10] netdev_get_by_index+0x5e/0x80 [ 7095.420573][ T10] fib6_nh_init+0x3d8/0x1580 [ 7095.420573][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7095.420573][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7095.420573][ T10] ipv6_add_addr+0x411/0x2000 [ 7095.420573][ T10] inet6_addr_add+0x30e/0xa40 [ 7095.420573][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7095.420573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7095.420573][ T10] netlink_rcv_skb+0x130/0x360 [ 7095.420573][ T10] netlink_unicast+0x449/0x710 [ 7095.420573][ T10] netlink_sendmsg+0x723/0xbe0 [ 7095.420573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7095.420573][ T10] ___sys_sendmsg+0xee/0x170 [ 7095.420573][ T10] __sys_sendmsg+0xcd/0x170 [ 7095.420573][ T10] do_syscall_64+0xc6/0x1e0 [ 7095.420573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7095.420573][ T10] [ 7095.422820][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7095.422820][ T10] netdev_get_by_index+0x5e/0x80 [ 7095.422820][ T10] fib6_nh_init+0x3d8/0x1580 [ 7095.422820][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7095.422820][ T10] ip6_route_add+0x1c/0x140 [ 7095.422820][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7095.422820][ T10] addrconf_add_dev+0xe2/0x170 [ 7095.422820][ T10] inet6_addr_add+0x12f/0xa40 [ 7095.422820][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7095.422820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7095.422820][ T10] netlink_rcv_skb+0x130/0x360 [ 7095.422820][ T10] netlink_unicast+0x449/0x710 [ 7095.422820][ T10] netlink_sendmsg+0x723/0xbe0 [ 7095.422820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7095.422820][ T10] ___sys_sendmsg+0xee/0x170 [ 7095.422820][ T10] __sys_sendmsg+0xcd/0x170 [ 7095.422820][ T10] do_syscall_64+0xc6/0x1e0 [ 7095.422820][ T10] [ 7095.425051][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7095.425051][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7095.425051][ T10] ipv6_find_idev+0x102/0x170 [ 7095.425051][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7095.425051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7095.425051][ T10] netlink_rcv_skb+0x130/0x360 [ 7095.425051][ T10] netlink_unicast+0x449/0x710 [ 7095.425051][ T10] netlink_sendmsg+0x723/0xbe0 [ 7095.425051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7095.425051][ T10] ___sys_sendmsg+0xee/0x170 [ 7095.425051][ T10] __sys_sendmsg+0xcd/0x170 [ 7095.425051][ T10] do_syscall_64+0xc6/0x1e0 [ 7095.425051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7095.425051][ T10] [ 7095.426831][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7095.426831][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7095.426831][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7095.426831][ T10] ipv6_find_idev+0x102/0x170 [ 7095.426831][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7095.426831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7095.426831][ T10] netlink_rcv_skb+0x130/0x360 [ 7095.426831][ T10] netlink_unicast+0x449/0x710 [ 7095.426831][ T10] netlink_sendmsg+0x723/0xbe0 [ 7095.426831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7095.426831][ T10] ___sys_sendmsg+0xee/0x170 [ 7095.426831][ T10] __sys_sendmsg+0xcd/0x170 [ 7095.426831][ T10] do_syscall_64+0xc6/0x1e0 [ 7095.426831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7095.426831][ T10] [ 7095.428706][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7095.429005][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7095.429005][ T10] netdev_get_by_index+0x5e/0x80 [ 7095.429005][ T10] fib6_nh_init+0x3d8/0x1580 [ 7095.429005][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7095.429005][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7095.429005][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7095.429005][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7095.429005][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7095.429005][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7095.429005][ T10] addrconf_dad_begin+0x310/0x670 [ 7095.429005][ T10] addrconf_dad_work+0x10b/0xab0 [ 7095.429005][ T10] process_one_work+0x84d/0x18a0 [ 7095.429005][ T10] worker_thread+0x587/0xd30 [ 7095.429005][ T10] kthread+0x28a/0x350 [ 7095.429005][ T10] ret_from_fork+0x31/0x70 [ 7095.429005][ T10] ret_from_fork_asm+0x1a/0x30 [ 7095.429005][ T10] [ 7095.431103][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7095.431103][ T10] netdev_get_by_index+0x5e/0x80 [ 7095.431103][ T10] fib6_nh_init+0x3d8/0x1580 [ 7095.431103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7095.431103][ T10] ip6_route_add+0x1c/0x140 [ 7095.431103][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7095.431103][ T10] inet6_addr_add+0x4f8/0xa40 [ 7095.431103][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7095.431103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7095.431103][ T10] netlink_rcv_skb+0x130/0x360 [ 7095.431103][ T10] netlink_unicast+0x449/0x710 [ 7095.431103][ T10] netlink_sendmsg+0x723/0xbe0 [ 7095.431103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7095.431103][ T10] ___sys_sendmsg+0xee/0x170 [ 7095.431103][ T10] __sys_sendmsg+0xcd/0x170 [ 7095.431103][ T10] do_syscall_64+0xc6/0x1e0 [ 7095.431103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7095.431103][ T10] [ 7095.433350][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7095.433350][ T10] netdev_get_by_index+0x5e/0x80 [ 7095.433350][ T10] fib6_nh_init+0x3d8/0x1580 [ 7095.433350][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7095.433350][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7095.433350][ T10] ipv6_add_addr+0x411/0x2000 [ 7095.433350][ T10] inet6_addr_add+0x30e/0xa40 [ 7095.433350][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7095.433350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7095.433350][ T10] netlink_rcv_skb+0x130/0x360 [ 7095.433350][ T10] netlink_unicast+0x449/0x710 [ 7095.433350][ T10] netlink_sendmsg+0x723/0xbe0 [ 7095.433350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7095.433350][ T10] ___sys_sendmsg+0xee/0x170 [ 7095.433350][ T10] __sys_sendmsg+0xcd/0x170 [ 7095.433350][ T10] do_syscall_64+0xc6/0x1e0 [ 7095.433350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7095.433350][ T10] [ 7095.435657][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7095.435657][ T10] netdev_get_by_index+0x5e/0x80 [ 7095.435657][ T10] fib6_nh_init+0x3d8/0x1580 [ 7095.435657][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7095.435657][ T10] ip6_route_add+0x1c/0x140 [ 7095.435657][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7095.435657][ T10] addrconf_add_dev+0xe2/0x170 [ 7095.435657][ T10] inet6_addr_add+0x12f/0xa40 [ 7095.435657][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7095.435657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7095.435657][ T10] netlink_rcv_skb+0x130/0x360 [ 7095.435657][ T10] netlink_unicast+0x449/0x710 [ 7095.435657][ T10] netlink_sendmsg+0x723/0xbe0 [ 7095.435657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7095.435657][ T10] ___sys_sendmsg+0xee/0x170 [ 7095.435657][ T10] __sys_sendmsg+0xcd/0x170 [ 7095.435657][ T10] do_syscall_64+0xc6/0x1e0 [ 7095.435657][ T10] [ 7095.437871][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7095.437871][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7095.437871][ T10] ipv6_find_idev+0x102/0x170 [ 7095.437871][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7095.437871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7095.437871][ T10] netlink_rcv_skb+0x130/0x360 [ 7095.437871][ T10] netlink_unicast+0x449/0x710 [ 7095.437871][ T10] netlink_sendmsg+0x723/0xbe0 [ 7095.437871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7095.437871][ T10] ___sys_sendmsg+0xee/0x170 [ 7095.437871][ T10] __sys_sendmsg+0xcd/0x170 [ 7095.437871][ T10] do_syscall_64+0xc6/0x1e0 [ 7095.437871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7095.437871][ T10] [ 7095.439597][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7095.439597][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7095.439597][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7095.439597][ T10] ipv6_find_idev+0x102/0x170 [ 7095.439597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7095.439597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7095.439597][ T10] netlink_rcv_skb+0x130/0x360 [ 7095.439597][ T10] netlink_unicast+0x449/0x710 [ 7095.439597][ T10] netlink_sendmsg+0x723/0xbe0 [ 7095.439597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7095.439597][ T10] ___sys_sendmsg+0xee/0x170 [ 7095.439597][ T10] __sys_sendmsg+0xcd/0x170 [ 7095.439597][ T10] do_syscall_64+0xc6/0x1e0 [ 7095.439597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7095.439597][ T10] [ 7101.217113][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7101.217590][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7101.217590][ T1167] dst_init+0x84/0x4a0 [ 7101.217590][ T1167] dst_alloc+0x97/0x150 [ 7101.217590][ T1167] ip6_dst_alloc+0x23/0x90 [ 7101.217590][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7101.217590][ T1167] ip6_pol_route+0x56f/0x840 [ 7101.217590][ T1167] fib6_rule_lookup+0x334/0x630 [ 7101.217590][ T1167] ip6_route_output_flags+0x259/0x480 [ 7101.217590][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7101.217590][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7101.217590][ T1167] netlink_rcv_skb+0x130/0x360 [ 7101.217590][ T1167] netlink_unicast+0x449/0x710 [ 7101.217590][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7101.217590][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7101.217590][ T1167] ___sys_sendmsg+0xee/0x170 [ 7101.217590][ T1167] __sys_sendmsg+0xcd/0x170 [ 7101.217590][ T1167] do_syscall_64+0xc6/0x1e0 [ 7101.217590][ T1167] [ 7101.219824][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7101.219824][ T1167] netdev_get_by_index+0x5e/0x80 [ 7101.219824][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7101.219824][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7101.219824][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7101.219824][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7101.219824][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7101.219824][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7101.219824][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7101.219824][ T1167] addrconf_dad_begin+0x310/0x670 [ 7101.219824][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7101.219824][ T1167] process_one_work+0x84d/0x18a0 [ 7101.219824][ T1167] worker_thread+0x587/0xd30 [ 7101.219824][ T1167] kthread+0x28a/0x350 [ 7101.219824][ T1167] ret_from_fork+0x31/0x70 [ 7101.219824][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7101.219824][ T1167] [ 7101.221994][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7101.221994][ T1167] netdev_get_by_index+0x5e/0x80 [ 7101.221994][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7101.221994][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7101.221994][ T1167] ip6_route_add+0x1c/0x140 [ 7101.221994][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7101.221994][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7101.221994][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7101.221994][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7101.221994][ T1167] netlink_rcv_skb+0x130/0x360 [ 7101.221994][ T1167] netlink_unicast+0x449/0x710 [ 7101.221994][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7101.221994][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7101.221994][ T1167] ___sys_sendmsg+0xee/0x170 [ 7101.221994][ T1167] __sys_sendmsg+0xcd/0x170 [ 7101.221994][ T1167] do_syscall_64+0xc6/0x1e0 [ 7101.221994][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7101.221994][ T1167] [ 7101.224277][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7101.224277][ T1167] netdev_get_by_index+0x5e/0x80 [ 7101.224277][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7101.224277][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7101.224277][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7101.224277][ T1167] ipv6_add_addr+0x411/0x2000 [ 7101.224277][ T1167] inet6_addr_add+0x30e/0xa40 [ 7101.224277][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7101.224277][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7101.224277][ T1167] netlink_rcv_skb+0x130/0x360 [ 7101.224277][ T1167] netlink_unicast+0x449/0x710 [ 7101.224277][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7101.224277][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7101.224277][ T1167] ___sys_sendmsg+0xee/0x170 [ 7101.224277][ T1167] __sys_sendmsg+0xcd/0x170 [ 7101.224277][ T1167] do_syscall_64+0xc6/0x1e0 [ 7101.224277][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7101.224277][ T1167] [ 7101.226558][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7101.226558][ T1167] netdev_get_by_index+0x5e/0x80 [ 7101.226558][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7101.226558][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7101.226558][ T1167] ip6_route_add+0x1c/0x140 [ 7101.226558][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7101.226558][ T1167] addrconf_add_dev+0xe2/0x170 [ 7101.226558][ T1167] inet6_addr_add+0x12f/0xa40 [ 7101.226558][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7101.226558][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7101.226558][ T1167] netlink_rcv_skb+0x130/0x360 [ 7101.226558][ T1167] netlink_unicast+0x449/0x710 [ 7101.226558][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7101.226558][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7101.226558][ T1167] ___sys_sendmsg+0xee/0x170 [ 7101.226558][ T1167] __sys_sendmsg+0xcd/0x170 [ 7101.226558][ T1167] do_syscall_64+0xc6/0x1e0 [ 7101.226558][ T1167] [ 7101.228804][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7101.228804][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7101.228804][ T1167] ipv6_find_idev+0x102/0x170 [ 7101.228804][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7101.228804][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7101.228804][ T1167] netlink_rcv_skb+0x130/0x360 [ 7101.228804][ T1167] netlink_unicast+0x449/0x710 [ 7101.228804][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7101.228804][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7101.228804][ T1167] ___sys_sendmsg+0xee/0x170 [ 7101.228804][ T1167] __sys_sendmsg+0xcd/0x170 [ 7101.228804][ T1167] do_syscall_64+0xc6/0x1e0 [ 7101.228804][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7101.228804][ T1167] [ 7101.230539][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7101.230539][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7101.230539][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7101.230539][ T1167] ipv6_find_idev+0x102/0x170 [ 7101.230539][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7101.230539][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7101.230539][ T1167] netlink_rcv_skb+0x130/0x360 [ 7101.230539][ T1167] netlink_unicast+0x449/0x710 [ 7101.230539][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7101.230539][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7101.230539][ T1167] ___sys_sendmsg+0xee/0x170 [ 7101.230539][ T1167] __sys_sendmsg+0xcd/0x170 [ 7101.230539][ T1167] do_syscall_64+0xc6/0x1e0 [ 7101.230539][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7101.230539][ T1167] [ 7105.681111][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7105.681528][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7105.681528][ T10] netdev_get_by_index+0x5e/0x80 [ 7105.681528][ T10] fib6_nh_init+0x3d8/0x1580 [ 7105.681528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7105.681528][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7105.681528][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7105.681528][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7105.681528][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7105.681528][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7105.681528][ T10] addrconf_dad_begin+0x310/0x670 [ 7105.681528][ T10] addrconf_dad_work+0x10b/0xab0 [ 7105.681528][ T10] process_one_work+0x84d/0x18a0 [ 7105.681528][ T10] worker_thread+0x587/0xd30 [ 7105.681528][ T10] kthread+0x28a/0x350 [ 7105.681528][ T10] ret_from_fork+0x31/0x70 [ 7105.681528][ T10] ret_from_fork_asm+0x1a/0x30 [ 7105.681528][ T10] [ 7105.683474][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7105.683474][ T10] netdev_get_by_index+0x5e/0x80 [ 7105.683474][ T10] fib6_nh_init+0x3d8/0x1580 [ 7105.683474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7105.683474][ T10] ip6_route_add+0x1c/0x140 [ 7105.683474][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7105.683474][ T10] inet6_addr_add+0x4f8/0xa40 [ 7105.683474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7105.683474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7105.683474][ T10] netlink_rcv_skb+0x130/0x360 [ 7105.683474][ T10] netlink_unicast+0x449/0x710 [ 7105.683474][ T10] netlink_sendmsg+0x723/0xbe0 [ 7105.683474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7105.683474][ T10] ___sys_sendmsg+0xee/0x170 [ 7105.683474][ T10] __sys_sendmsg+0xcd/0x170 [ 7105.683474][ T10] do_syscall_64+0xc6/0x1e0 [ 7105.683474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7105.683474][ T10] [ 7105.685509][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7105.685509][ T10] netdev_get_by_index+0x5e/0x80 [ 7105.685509][ T10] fib6_nh_init+0x3d8/0x1580 [ 7105.685509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7105.685509][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7105.685509][ T10] ipv6_add_addr+0x411/0x2000 [ 7105.685509][ T10] inet6_addr_add+0x30e/0xa40 [ 7105.685509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7105.685509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7105.685509][ T10] netlink_rcv_skb+0x130/0x360 [ 7105.685509][ T10] netlink_unicast+0x449/0x710 [ 7105.685509][ T10] netlink_sendmsg+0x723/0xbe0 [ 7105.685509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7105.685509][ T10] ___sys_sendmsg+0xee/0x170 [ 7105.685509][ T10] __sys_sendmsg+0xcd/0x170 [ 7105.685509][ T10] do_syscall_64+0xc6/0x1e0 [ 7105.685509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7105.685509][ T10] [ 7105.687517][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7105.687517][ T10] netdev_get_by_index+0x5e/0x80 [ 7105.687517][ T10] fib6_nh_init+0x3d8/0x1580 [ 7105.687517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7105.687517][ T10] ip6_route_add+0x1c/0x140 [ 7105.687517][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7105.687517][ T10] addrconf_add_dev+0xe2/0x170 [ 7105.687517][ T10] inet6_addr_add+0x12f/0xa40 [ 7105.687517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7105.687517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7105.687517][ T10] netlink_rcv_skb+0x130/0x360 [ 7105.687517][ T10] netlink_unicast+0x449/0x710 [ 7105.687517][ T10] netlink_sendmsg+0x723/0xbe0 [ 7105.687517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7105.687517][ T10] ___sys_sendmsg+0xee/0x170 [ 7105.687517][ T10] __sys_sendmsg+0xcd/0x170 [ 7105.687517][ T10] do_syscall_64+0xc6/0x1e0 [ 7105.687517][ T10] [ 7105.689500][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7105.689500][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7105.689500][ T10] ipv6_find_idev+0x102/0x170 [ 7105.689500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7105.689500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7105.689500][ T10] netlink_rcv_skb+0x130/0x360 [ 7105.689500][ T10] netlink_unicast+0x449/0x710 [ 7105.689500][ T10] netlink_sendmsg+0x723/0xbe0 [ 7105.689500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7105.689500][ T10] ___sys_sendmsg+0xee/0x170 [ 7105.689500][ T10] __sys_sendmsg+0xcd/0x170 [ 7105.689500][ T10] do_syscall_64+0xc6/0x1e0 [ 7105.689500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7105.689500][ T10] [ 7105.691043][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7105.691043][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7105.691043][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7105.691043][ T10] ipv6_find_idev+0x102/0x170 [ 7105.691043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7105.691043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7105.691043][ T10] netlink_rcv_skb+0x130/0x360 [ 7105.691043][ T10] netlink_unicast+0x449/0x710 [ 7105.691043][ T10] netlink_sendmsg+0x723/0xbe0 [ 7105.691043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7105.691043][ T10] ___sys_sendmsg+0xee/0x170 [ 7105.691043][ T10] __sys_sendmsg+0xcd/0x170 [ 7105.691043][ T10] do_syscall_64+0xc6/0x1e0 [ 7105.691043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7105.691043][ T10] [ 7105.692741][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7105.692984][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7105.692984][ T10] netdev_get_by_index+0x5e/0x80 [ 7105.692984][ T10] fib6_nh_init+0x3d8/0x1580 [ 7105.692984][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7105.692984][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7105.692984][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7105.692984][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7105.692984][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7105.692984][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7105.692984][ T10] addrconf_dad_begin+0x310/0x670 [ 7105.692984][ T10] addrconf_dad_work+0x10b/0xab0 [ 7105.692984][ T10] process_one_work+0x84d/0x18a0 [ 7105.692984][ T10] worker_thread+0x587/0xd30 [ 7105.692984][ T10] kthread+0x28a/0x350 [ 7105.692984][ T10] ret_from_fork+0x31/0x70 [ 7105.692984][ T10] ret_from_fork_asm+0x1a/0x30 [ 7105.692984][ T10] [ 7105.694930][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7105.694930][ T10] netdev_get_by_index+0x5e/0x80 [ 7105.694930][ T10] fib6_nh_init+0x3d8/0x1580 [ 7105.694930][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7105.694930][ T10] ip6_route_add+0x1c/0x140 [ 7105.694930][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7105.694930][ T10] inet6_addr_add+0x4f8/0xa40 [ 7105.694930][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7105.694930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7105.694930][ T10] netlink_rcv_skb+0x130/0x360 [ 7105.694930][ T10] netlink_unicast+0x449/0x710 [ 7105.694930][ T10] netlink_sendmsg+0x723/0xbe0 [ 7105.694930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7105.694930][ T10] ___sys_sendmsg+0xee/0x170 [ 7105.694930][ T10] __sys_sendmsg+0xcd/0x170 [ 7105.694930][ T10] do_syscall_64+0xc6/0x1e0 [ 7105.694930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7105.694930][ T10] [ 7105.696933][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7105.696933][ T10] netdev_get_by_index+0x5e/0x80 [ 7105.696933][ T10] fib6_nh_init+0x3d8/0x1580 [ 7105.696933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7105.696933][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7105.696933][ T10] ipv6_add_addr+0x411/0x2000 [ 7105.696933][ T10] inet6_addr_add+0x30e/0xa40 [ 7105.696933][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7105.696933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7105.696933][ T10] netlink_rcv_skb+0x130/0x360 [ 7105.696933][ T10] netlink_unicast+0x449/0x710 [ 7105.696933][ T10] netlink_sendmsg+0x723/0xbe0 [ 7105.696933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7105.696933][ T10] ___sys_sendmsg+0xee/0x170 [ 7105.696933][ T10] __sys_sendmsg+0xcd/0x170 [ 7105.696933][ T10] do_syscall_64+0xc6/0x1e0 [ 7105.696933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7105.696933][ T10] [ 7105.698943][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7105.698943][ T10] netdev_get_by_index+0x5e/0x80 [ 7105.698943][ T10] fib6_nh_init+0x3d8/0x1580 [ 7105.698943][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7105.698943][ T10] ip6_route_add+0x1c/0x140 [ 7105.698943][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7105.698943][ T10] addrconf_add_dev+0xe2/0x170 [ 7105.698943][ T10] inet6_addr_add+0x12f/0xa40 [ 7105.698943][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7105.698943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7105.698943][ T10] netlink_rcv_skb+0x130/0x360 [ 7105.698943][ T10] netlink_unicast+0x449/0x710 [ 7105.698943][ T10] netlink_sendmsg+0x723/0xbe0 [ 7105.698943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7105.698943][ T10] ___sys_sendmsg+0xee/0x170 [ 7105.698943][ T10] __sys_sendmsg+0xcd/0x170 [ 7105.698943][ T10] do_syscall_64+0xc6/0x1e0 [ 7105.698943][ T10] [ 7105.700909][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7105.700909][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7105.700909][ T10] ipv6_find_idev+0x102/0x170 [ 7105.700909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7105.700909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7105.700909][ T10] netlink_rcv_skb+0x130/0x360 [ 7105.700909][ T10] netlink_unicast+0x449/0x710 [ 7105.700909][ T10] netlink_sendmsg+0x723/0xbe0 [ 7105.700909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7105.700909][ T10] ___sys_sendmsg+0xee/0x170 [ 7105.700909][ T10] __sys_sendmsg+0xcd/0x170 [ 7105.700909][ T10] do_syscall_64+0xc6/0x1e0 [ 7105.700909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7105.700909][ T10] [ 7105.702461][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7105.702461][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7105.702461][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7105.702461][ T10] ipv6_find_idev+0x102/0x170 [ 7105.702461][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7105.702461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7105.702461][ T10] netlink_rcv_skb+0x130/0x360 [ 7105.702461][ T10] netlink_unicast+0x449/0x710 [ 7105.702461][ T10] netlink_sendmsg+0x723/0xbe0 [ 7105.702461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7105.702461][ T10] ___sys_sendmsg+0xee/0x170 [ 7105.702461][ T10] __sys_sendmsg+0xcd/0x170 [ 7105.702461][ T10] do_syscall_64+0xc6/0x1e0 [ 7105.702461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7105.702461][ T10] [ 7105.704160][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7105.704405][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7105.704405][ T10] netdev_get_by_index+0x5e/0x80 [ 7105.704405][ T10] fib6_nh_init+0x3d8/0x1580 [ 7105.704405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7105.704405][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7105.704405][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7105.704405][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7105.704405][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7105.704405][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7105.704405][ T10] addrconf_dad_begin+0x310/0x670 [ 7105.704405][ T10] addrconf_dad_work+0x10b/0xab0 [ 7105.704405][ T10] process_one_work+0x84d/0x18a0 [ 7105.704405][ T10] worker_thread+0x587/0xd30 [ 7105.704405][ T10] kthread+0x28a/0x350 [ 7105.704405][ T10] ret_from_fork+0x31/0x70 [ 7105.704405][ T10] ret_from_fork_asm+0x1a/0x30 [ 7105.704405][ T10] [ 7105.706329][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7105.706329][ T10] netdev_get_by_index+0x5e/0x80 [ 7105.706329][ T10] fib6_nh_init+0x3d8/0x1580 [ 7105.706329][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7105.706329][ T10] ip6_route_add+0x1c/0x140 [ 7105.706329][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7105.706329][ T10] inet6_addr_add+0x4f8/0xa40 [ 7105.706329][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7105.706329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7105.706329][ T10] netlink_rcv_skb+0x130/0x360 [ 7105.706329][ T10] netlink_unicast+0x449/0x710 [ 7105.706329][ T10] netlink_sendmsg+0x723/0xbe0 [ 7105.706329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7105.706329][ T10] ___sys_sendmsg+0xee/0x170 [ 7105.706329][ T10] __sys_sendmsg+0xcd/0x170 [ 7105.706329][ T10] do_syscall_64+0xc6/0x1e0 [ 7105.706329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7105.706329][ T10] [ 7105.708533][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7105.708533][ T10] netdev_get_by_index+0x5e/0x80 [ 7105.708533][ T10] fib6_nh_init+0x3d8/0x1580 [ 7105.708533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7105.708533][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7105.708533][ T10] ipv6_add_addr+0x411/0x2000 [ 7105.708533][ T10] inet6_addr_add+0x30e/0xa40 [ 7105.708533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7105.708533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7105.708533][ T10] netlink_rcv_skb+0x130/0x360 [ 7105.708533][ T10] netlink_unicast+0x449/0x710 [ 7105.708533][ T10] netlink_sendmsg+0x723/0xbe0 [ 7105.708533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7105.708533][ T10] ___sys_sendmsg+0xee/0x170 [ 7105.708533][ T10] __sys_sendmsg+0xcd/0x170 [ 7105.708533][ T10] do_syscall_64+0xc6/0x1e0 [ 7105.708533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7105.708533][ T10] [ 7105.710797][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7105.710797][ T10] netdev_get_by_index+0x5e/0x80 [ 7105.710797][ T10] fib6_nh_init+0x3d8/0x1580 [ 7105.710797][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7105.710797][ T10] ip6_route_add+0x1c/0x140 [ 7105.710797][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7105.710797][ T10] addrconf_add_dev+0xe2/0x170 [ 7105.710797][ T10] inet6_addr_add+0x12f/0xa40 [ 7105.710797][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7105.710797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7105.710797][ T10] netlink_rcv_skb+0x130/0x360 [ 7105.710797][ T10] netlink_unicast+0x449/0x710 [ 7105.710797][ T10] netlink_sendmsg+0x723/0xbe0 [ 7105.710797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7105.710797][ T10] ___sys_sendmsg+0xee/0x170 [ 7105.710797][ T10] __sys_sendmsg+0xcd/0x170 [ 7105.710797][ T10] do_syscall_64+0xc6/0x1e0 [ 7105.710797][ T10] [ 7105.713071][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7105.713071][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7105.713071][ T10] ipv6_find_idev+0x102/0x170 [ 7105.713071][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7105.713071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7105.713071][ T10] netlink_rcv_skb+0x130/0x360 [ 7105.713071][ T10] netlink_unicast+0x449/0x710 [ 7105.713071][ T10] netlink_sendmsg+0x723/0xbe0 [ 7105.713071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7105.713071][ T10] ___sys_sendmsg+0xee/0x170 [ 7105.713071][ T10] __sys_sendmsg+0xcd/0x170 [ 7105.713071][ T10] do_syscall_64+0xc6/0x1e0 [ 7105.713071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7105.713071][ T10] [ 7105.714798][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7105.714798][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7105.714798][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7105.714798][ T10] ipv6_find_idev+0x102/0x170 [ 7105.714798][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7105.714798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7105.714798][ T10] netlink_rcv_skb+0x130/0x360 [ 7105.714798][ T10] netlink_unicast+0x449/0x710 [ 7105.714798][ T10] netlink_sendmsg+0x723/0xbe0 [ 7105.714798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7105.714798][ T10] ___sys_sendmsg+0xee/0x170 [ 7105.714798][ T10] __sys_sendmsg+0xcd/0x170 [ 7105.714798][ T10] do_syscall_64+0xc6/0x1e0 [ 7105.714798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7105.714798][ T10] [ 7105.716676][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7105.716977][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7105.716977][ T10] netdev_get_by_index+0x5e/0x80 [ 7105.716977][ T10] fib6_nh_init+0x3d8/0x1580 [ 7105.716977][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7105.716977][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7105.716977][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7105.716977][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7105.716977][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7105.716977][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7105.716977][ T10] addrconf_dad_begin+0x310/0x670 [ 7105.716977][ T10] addrconf_dad_work+0x10b/0xab0 [ 7105.716977][ T10] process_one_work+0x84d/0x18a0 [ 7105.716977][ T10] worker_thread+0x587/0xd30 [ 7105.716977][ T10] kthread+0x28a/0x350 [ 7105.716977][ T10] ret_from_fork+0x31/0x70 [ 7105.716977][ T10] ret_from_fork_asm+0x1a/0x30 [ 7105.716977][ T10] [ 7105.719075][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7105.719075][ T10] netdev_get_by_index+0x5e/0x80 [ 7105.719075][ T10] fib6_nh_init+0x3d8/0x1580 [ 7105.719075][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7105.719075][ T10] ip6_route_add+0x1c/0x140 [ 7105.719075][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7105.719075][ T10] inet6_addr_add+0x4f8/0xa40 [ 7105.719075][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7105.719075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7105.719075][ T10] netlink_rcv_skb+0x130/0x360 [ 7105.719075][ T10] netlink_unicast+0x449/0x710 [ 7105.719075][ T10] netlink_sendmsg+0x723/0xbe0 [ 7105.719075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7105.719075][ T10] ___sys_sendmsg+0xee/0x170 [ 7105.719075][ T10] __sys_sendmsg+0xcd/0x170 [ 7105.719075][ T10] do_syscall_64+0xc6/0x1e0 [ 7105.719075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7105.719075][ T10] [ 7105.721419][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7105.721419][ T10] netdev_get_by_index+0x5e/0x80 [ 7105.721419][ T10] fib6_nh_init+0x3d8/0x1580 [ 7105.721419][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7105.721419][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7105.721419][ T10] ipv6_add_addr+0x411/0x2000 [ 7105.721419][ T10] inet6_addr_add+0x30e/0xa40 [ 7105.721419][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7105.721419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7105.721419][ T10] netlink_rcv_skb+0x130/0x360 [ 7105.721419][ T10] netlink_unicast+0x449/0x710 [ 7105.721419][ T10] netlink_sendmsg+0x723/0xbe0 [ 7105.721419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7105.721419][ T10] ___sys_sendmsg+0xee/0x170 [ 7105.721419][ T10] __sys_sendmsg+0xcd/0x170 [ 7105.721419][ T10] do_syscall_64+0xc6/0x1e0 [ 7105.721419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7105.721419][ T10] [ 7105.723674][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7105.723674][ T10] netdev_get_by_index+0x5e/0x80 [ 7105.723674][ T10] fib6_nh_init+0x3d8/0x1580 [ 7105.723674][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7105.723674][ T10] ip6_route_add+0x1c/0x140 [ 7105.723674][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7105.723674][ T10] addrconf_add_dev+0xe2/0x170 [ 7105.723674][ T10] inet6_addr_add+0x12f/0xa40 [ 7105.723674][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7105.723674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7105.723674][ T10] netlink_rcv_skb+0x130/0x360 [ 7105.723674][ T10] netlink_unicast+0x449/0x710 [ 7105.723674][ T10] netlink_sendmsg+0x723/0xbe0 [ 7105.723674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7105.723674][ T10] ___sys_sendmsg+0xee/0x170 [ 7105.723674][ T10] __sys_sendmsg+0xcd/0x170 [ 7105.723674][ T10] do_syscall_64+0xc6/0x1e0 [ 7105.723674][ T10] [ 7105.725909][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7105.725909][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7105.725909][ T10] ipv6_find_idev+0x102/0x170 [ 7105.725909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7105.725909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7105.725909][ T10] netlink_rcv_skb+0x130/0x360 [ 7105.725909][ T10] netlink_unicast+0x449/0x710 [ 7105.725909][ T10] netlink_sendmsg+0x723/0xbe0 [ 7105.725909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7105.725909][ T10] ___sys_sendmsg+0xee/0x170 [ 7105.725909][ T10] __sys_sendmsg+0xcd/0x170 [ 7105.725909][ T10] do_syscall_64+0xc6/0x1e0 [ 7105.725909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7105.725909][ T10] [ 7105.727675][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7105.727675][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7105.727675][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7105.727675][ T10] ipv6_find_idev+0x102/0x170 [ 7105.727675][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7105.727675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7105.727675][ T10] netlink_rcv_skb+0x130/0x360 [ 7105.727675][ T10] netlink_unicast+0x449/0x710 [ 7105.727675][ T10] netlink_sendmsg+0x723/0xbe0 [ 7105.727675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7105.727675][ T10] ___sys_sendmsg+0xee/0x170 [ 7105.727675][ T10] __sys_sendmsg+0xcd/0x170 [ 7105.727675][ T10] do_syscall_64+0xc6/0x1e0 [ 7105.727675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7105.727675][ T10] [ 7111.473107][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7111.473605][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7111.473605][ T1167] dst_init+0x84/0x4a0 [ 7111.473605][ T1167] dst_alloc+0x97/0x150 [ 7111.473605][ T1167] ip6_dst_alloc+0x23/0x90 [ 7111.473605][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7111.473605][ T1167] ip6_pol_route+0x56f/0x840 [ 7111.473605][ T1167] fib6_rule_lookup+0x334/0x630 [ 7111.473605][ T1167] ip6_route_output_flags+0x259/0x480 [ 7111.473605][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7111.473605][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7111.473605][ T1167] netlink_rcv_skb+0x130/0x360 [ 7111.473605][ T1167] netlink_unicast+0x449/0x710 [ 7111.473605][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7111.473605][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7111.473605][ T1167] ___sys_sendmsg+0xee/0x170 [ 7111.473605][ T1167] __sys_sendmsg+0xcd/0x170 [ 7111.473605][ T1167] do_syscall_64+0xc6/0x1e0 [ 7111.473605][ T1167] [ 7111.475843][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7111.475843][ T1167] netdev_get_by_index+0x5e/0x80 [ 7111.475843][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7111.475843][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7111.475843][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7111.475843][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7111.475843][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7111.475843][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7111.475843][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7111.475843][ T1167] addrconf_dad_begin+0x310/0x670 [ 7111.475843][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7111.475843][ T1167] process_one_work+0x84d/0x18a0 [ 7111.475843][ T1167] worker_thread+0x587/0xd30 [ 7111.475843][ T1167] kthread+0x28a/0x350 [ 7111.475843][ T1167] ret_from_fork+0x31/0x70 [ 7111.475843][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7111.475843][ T1167] [ 7111.478013][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7111.478013][ T1167] netdev_get_by_index+0x5e/0x80 [ 7111.478013][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7111.478013][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7111.478013][ T1167] ip6_route_add+0x1c/0x140 [ 7111.478013][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7111.478013][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7111.478013][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7111.478013][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7111.478013][ T1167] netlink_rcv_skb+0x130/0x360 [ 7111.478013][ T1167] netlink_unicast+0x449/0x710 [ 7111.478013][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7111.478013][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7111.478013][ T1167] ___sys_sendmsg+0xee/0x170 [ 7111.478013][ T1167] __sys_sendmsg+0xcd/0x170 [ 7111.478013][ T1167] do_syscall_64+0xc6/0x1e0 [ 7111.478013][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7111.478013][ T1167] [ 7111.480289][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7111.480289][ T1167] netdev_get_by_index+0x5e/0x80 [ 7111.480289][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7111.480289][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7111.480289][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7111.480289][ T1167] ipv6_add_addr+0x411/0x2000 [ 7111.480289][ T1167] inet6_addr_add+0x30e/0xa40 [ 7111.480289][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7111.480289][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7111.480289][ T1167] netlink_rcv_skb+0x130/0x360 [ 7111.480289][ T1167] netlink_unicast+0x449/0x710 [ 7111.480289][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7111.480289][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7111.480289][ T1167] ___sys_sendmsg+0xee/0x170 [ 7111.480289][ T1167] __sys_sendmsg+0xcd/0x170 [ 7111.480289][ T1167] do_syscall_64+0xc6/0x1e0 [ 7111.480289][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7111.480289][ T1167] [ 7111.482555][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7111.482555][ T1167] netdev_get_by_index+0x5e/0x80 [ 7111.482555][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7111.482555][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7111.482555][ T1167] ip6_route_add+0x1c/0x140 [ 7111.482555][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7111.482555][ T1167] addrconf_add_dev+0xe2/0x170 [ 7111.482555][ T1167] inet6_addr_add+0x12f/0xa40 [ 7111.482555][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7111.482555][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7111.482555][ T1167] netlink_rcv_skb+0x130/0x360 [ 7111.482555][ T1167] netlink_unicast+0x449/0x710 [ 7111.482555][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7111.482555][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7111.482555][ T1167] ___sys_sendmsg+0xee/0x170 [ 7111.482555][ T1167] __sys_sendmsg+0xcd/0x170 [ 7111.482555][ T1167] do_syscall_64+0xc6/0x1e0 [ 7111.482555][ T1167] [ 7111.484791][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7111.484791][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7111.484791][ T1167] ipv6_find_idev+0x102/0x170 [ 7111.484791][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7111.484791][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7111.484791][ T1167] netlink_rcv_skb+0x130/0x360 [ 7111.484791][ T1167] netlink_unicast+0x449/0x710 [ 7111.484791][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7111.484791][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7111.484791][ T1167] ___sys_sendmsg+0xee/0x170 [ 7111.484791][ T1167] __sys_sendmsg+0xcd/0x170 [ 7111.484791][ T1167] do_syscall_64+0xc6/0x1e0 [ 7111.484791][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7111.484791][ T1167] [ 7111.486539][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7111.486539][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7111.486539][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7111.486539][ T1167] ipv6_find_idev+0x102/0x170 [ 7111.486539][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7111.486539][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7111.486539][ T1167] netlink_rcv_skb+0x130/0x360 [ 7111.486539][ T1167] netlink_unicast+0x449/0x710 [ 7111.486539][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7111.486539][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7111.486539][ T1167] ___sys_sendmsg+0xee/0x170 [ 7111.486539][ T1167] __sys_sendmsg+0xcd/0x170 [ 7111.486539][ T1167] do_syscall_64+0xc6/0x1e0 [ 7111.486539][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7111.486539][ T1167] [ 7115.969101][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7115.969516][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7115.969516][ T10] netdev_get_by_index+0x5e/0x80 [ 7115.969516][ T10] fib6_nh_init+0x3d8/0x1580 [ 7115.969516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7115.969516][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7115.969516][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7115.969516][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7115.969516][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7115.969516][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7115.969516][ T10] addrconf_dad_begin+0x310/0x670 [ 7115.969516][ T10] addrconf_dad_work+0x10b/0xab0 [ 7115.969516][ T10] process_one_work+0x84d/0x18a0 [ 7115.969516][ T10] worker_thread+0x587/0xd30 [ 7115.969516][ T10] kthread+0x28a/0x350 [ 7115.969516][ T10] ret_from_fork+0x31/0x70 [ 7115.969516][ T10] ret_from_fork_asm+0x1a/0x30 [ 7115.969516][ T10] [ 7115.971480][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7115.971480][ T10] netdev_get_by_index+0x5e/0x80 [ 7115.971480][ T10] fib6_nh_init+0x3d8/0x1580 [ 7115.971480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7115.971480][ T10] ip6_route_add+0x1c/0x140 [ 7115.971480][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7115.971480][ T10] inet6_addr_add+0x4f8/0xa40 [ 7115.971480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7115.971480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7115.971480][ T10] netlink_rcv_skb+0x130/0x360 [ 7115.971480][ T10] netlink_unicast+0x449/0x710 [ 7115.971480][ T10] netlink_sendmsg+0x723/0xbe0 [ 7115.971480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7115.971480][ T10] ___sys_sendmsg+0xee/0x170 [ 7115.971480][ T10] __sys_sendmsg+0xcd/0x170 [ 7115.971480][ T10] do_syscall_64+0xc6/0x1e0 [ 7115.971480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7115.971480][ T10] [ 7115.973498][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7115.973498][ T10] netdev_get_by_index+0x5e/0x80 [ 7115.973498][ T10] fib6_nh_init+0x3d8/0x1580 [ 7115.973498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7115.973498][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7115.973498][ T10] ipv6_add_addr+0x411/0x2000 [ 7115.973498][ T10] inet6_addr_add+0x30e/0xa40 [ 7115.973498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7115.973498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7115.973498][ T10] netlink_rcv_skb+0x130/0x360 [ 7115.973498][ T10] netlink_unicast+0x449/0x710 [ 7115.973498][ T10] netlink_sendmsg+0x723/0xbe0 [ 7115.973498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7115.973498][ T10] ___sys_sendmsg+0xee/0x170 [ 7115.973498][ T10] __sys_sendmsg+0xcd/0x170 [ 7115.973498][ T10] do_syscall_64+0xc6/0x1e0 [ 7115.973498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7115.973498][ T10] [ 7115.975527][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7115.975527][ T10] netdev_get_by_index+0x5e/0x80 [ 7115.975527][ T10] fib6_nh_init+0x3d8/0x1580 [ 7115.975527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7115.975527][ T10] ip6_route_add+0x1c/0x140 [ 7115.975527][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7115.975527][ T10] addrconf_add_dev+0xe2/0x170 [ 7115.975527][ T10] inet6_addr_add+0x12f/0xa40 [ 7115.975527][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7115.975527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7115.975527][ T10] netlink_rcv_skb+0x130/0x360 [ 7115.975527][ T10] netlink_unicast+0x449/0x710 [ 7115.975527][ T10] netlink_sendmsg+0x723/0xbe0 [ 7115.975527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7115.975527][ T10] ___sys_sendmsg+0xee/0x170 [ 7115.975527][ T10] __sys_sendmsg+0xcd/0x170 [ 7115.975527][ T10] do_syscall_64+0xc6/0x1e0 [ 7115.975527][ T10] [ 7115.977512][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7115.977512][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7115.977512][ T10] ipv6_find_idev+0x102/0x170 [ 7115.977512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7115.977512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7115.977512][ T10] netlink_rcv_skb+0x130/0x360 [ 7115.977512][ T10] netlink_unicast+0x449/0x710 [ 7115.977512][ T10] netlink_sendmsg+0x723/0xbe0 [ 7115.977512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7115.977512][ T10] ___sys_sendmsg+0xee/0x170 [ 7115.977512][ T10] __sys_sendmsg+0xcd/0x170 [ 7115.977512][ T10] do_syscall_64+0xc6/0x1e0 [ 7115.977512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7115.977512][ T10] [ 7115.979072][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7115.979072][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7115.979072][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7115.979072][ T10] ipv6_find_idev+0x102/0x170 [ 7115.979072][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7115.979072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7115.979072][ T10] netlink_rcv_skb+0x130/0x360 [ 7115.979072][ T10] netlink_unicast+0x449/0x710 [ 7115.979072][ T10] netlink_sendmsg+0x723/0xbe0 [ 7115.979072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7115.979072][ T10] ___sys_sendmsg+0xee/0x170 [ 7115.979072][ T10] __sys_sendmsg+0xcd/0x170 [ 7115.979072][ T10] do_syscall_64+0xc6/0x1e0 [ 7115.979072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7115.979072][ T10] [ 7115.980770][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7115.981012][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7115.981012][ T10] netdev_get_by_index+0x5e/0x80 [ 7115.981012][ T10] fib6_nh_init+0x3d8/0x1580 [ 7115.981012][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7115.981012][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7115.981012][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7115.981012][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7115.981012][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7115.981012][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7115.981012][ T10] addrconf_dad_begin+0x310/0x670 [ 7115.981012][ T10] addrconf_dad_work+0x10b/0xab0 [ 7115.981012][ T10] process_one_work+0x84d/0x18a0 [ 7115.981012][ T10] worker_thread+0x587/0xd30 [ 7115.981012][ T10] kthread+0x28a/0x350 [ 7115.981012][ T10] ret_from_fork+0x31/0x70 [ 7115.981012][ T10] ret_from_fork_asm+0x1a/0x30 [ 7115.981012][ T10] [ 7115.982939][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7115.982939][ T10] netdev_get_by_index+0x5e/0x80 [ 7115.982939][ T10] fib6_nh_init+0x3d8/0x1580 [ 7115.982939][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7115.982939][ T10] ip6_route_add+0x1c/0x140 [ 7115.982939][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7115.982939][ T10] inet6_addr_add+0x4f8/0xa40 [ 7115.982939][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7115.982939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7115.982939][ T10] netlink_rcv_skb+0x130/0x360 [ 7115.982939][ T10] netlink_unicast+0x449/0x710 [ 7115.982939][ T10] netlink_sendmsg+0x723/0xbe0 [ 7115.982939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7115.982939][ T10] ___sys_sendmsg+0xee/0x170 [ 7115.982939][ T10] __sys_sendmsg+0xcd/0x170 [ 7115.982939][ T10] do_syscall_64+0xc6/0x1e0 [ 7115.982939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7115.982939][ T10] [ 7115.984960][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7115.984960][ T10] netdev_get_by_index+0x5e/0x80 [ 7115.984960][ T10] fib6_nh_init+0x3d8/0x1580 [ 7115.984960][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7115.984960][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7115.984960][ T10] ipv6_add_addr+0x411/0x2000 [ 7115.984960][ T10] inet6_addr_add+0x30e/0xa40 [ 7115.984960][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7115.984960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7115.984960][ T10] netlink_rcv_skb+0x130/0x360 [ 7115.984960][ T10] netlink_unicast+0x449/0x710 [ 7115.984960][ T10] netlink_sendmsg+0x723/0xbe0 [ 7115.984960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7115.984960][ T10] ___sys_sendmsg+0xee/0x170 [ 7115.984960][ T10] __sys_sendmsg+0xcd/0x170 [ 7115.984960][ T10] do_syscall_64+0xc6/0x1e0 [ 7115.984960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7115.984960][ T10] [ 7115.986985][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7115.986985][ T10] netdev_get_by_index+0x5e/0x80 [ 7115.986985][ T10] fib6_nh_init+0x3d8/0x1580 [ 7115.986985][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7115.986985][ T10] ip6_route_add+0x1c/0x140 [ 7115.986985][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7115.986985][ T10] addrconf_add_dev+0xe2/0x170 [ 7115.986985][ T10] inet6_addr_add+0x12f/0xa40 [ 7115.986985][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7115.986985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7115.986985][ T10] netlink_rcv_skb+0x130/0x360 [ 7115.986985][ T10] netlink_unicast+0x449/0x710 [ 7115.986985][ T10] netlink_sendmsg+0x723/0xbe0 [ 7115.986985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7115.986985][ T10] ___sys_sendmsg+0xee/0x170 [ 7115.986985][ T10] __sys_sendmsg+0xcd/0x170 [ 7115.986985][ T10] do_syscall_64+0xc6/0x1e0 [ 7115.986985][ T10] [ 7115.988962][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7115.988962][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7115.988962][ T10] ipv6_find_idev+0x102/0x170 [ 7115.988962][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7115.988962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7115.988962][ T10] netlink_rcv_skb+0x130/0x360 [ 7115.988962][ T10] netlink_unicast+0x449/0x710 [ 7115.988962][ T10] netlink_sendmsg+0x723/0xbe0 [ 7115.988962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7115.988962][ T10] ___sys_sendmsg+0xee/0x170 [ 7115.988962][ T10] __sys_sendmsg+0xcd/0x170 [ 7115.988962][ T10] do_syscall_64+0xc6/0x1e0 [ 7115.988962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7115.988962][ T10] [ 7115.990510][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7115.990510][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7115.990510][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7115.990510][ T10] ipv6_find_idev+0x102/0x170 [ 7115.990510][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7115.990510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7115.990510][ T10] netlink_rcv_skb+0x130/0x360 [ 7115.990510][ T10] netlink_unicast+0x449/0x710 [ 7115.990510][ T10] netlink_sendmsg+0x723/0xbe0 [ 7115.990510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7115.990510][ T10] ___sys_sendmsg+0xee/0x170 [ 7115.990510][ T10] __sys_sendmsg+0xcd/0x170 [ 7115.990510][ T10] do_syscall_64+0xc6/0x1e0 [ 7115.990510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7115.990510][ T10] [ 7115.992206][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7115.992445][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7115.992445][ T10] netdev_get_by_index+0x5e/0x80 [ 7115.992445][ T10] fib6_nh_init+0x3d8/0x1580 [ 7115.992445][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7115.992445][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7115.992445][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7115.992445][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7115.992445][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7115.992445][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7115.992445][ T10] addrconf_dad_begin+0x310/0x670 [ 7115.992445][ T10] addrconf_dad_work+0x10b/0xab0 [ 7115.992445][ T10] process_one_work+0x84d/0x18a0 [ 7115.992445][ T10] worker_thread+0x587/0xd30 [ 7115.992445][ T10] kthread+0x28a/0x350 [ 7115.992445][ T10] ret_from_fork+0x31/0x70 [ 7115.992445][ T10] ret_from_fork_asm+0x1a/0x30 [ 7115.992445][ T10] [ 7115.994374][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7115.994374][ T10] netdev_get_by_index+0x5e/0x80 [ 7115.994374][ T10] fib6_nh_init+0x3d8/0x1580 [ 7115.994374][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7115.994374][ T10] ip6_route_add+0x1c/0x140 [ 7115.994374][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7115.994374][ T10] inet6_addr_add+0x4f8/0xa40 [ 7115.994374][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7115.994374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7115.994374][ T10] netlink_rcv_skb+0x130/0x360 [ 7115.994374][ T10] netlink_unicast+0x449/0x710 [ 7115.994374][ T10] netlink_sendmsg+0x723/0xbe0 [ 7115.994374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7115.994374][ T10] ___sys_sendmsg+0xee/0x170 [ 7115.994374][ T10] __sys_sendmsg+0xcd/0x170 [ 7115.994374][ T10] do_syscall_64+0xc6/0x1e0 [ 7115.994374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7115.994374][ T10] [ 7115.996571][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7115.996571][ T10] netdev_get_by_index+0x5e/0x80 [ 7115.996571][ T10] fib6_nh_init+0x3d8/0x1580 [ 7115.996571][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7115.996571][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7115.996571][ T10] ipv6_add_addr+0x411/0x2000 [ 7115.996571][ T10] inet6_addr_add+0x30e/0xa40 [ 7115.996571][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7115.996571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7115.996571][ T10] netlink_rcv_skb+0x130/0x360 [ 7115.996571][ T10] netlink_unicast+0x449/0x710 [ 7115.996571][ T10] netlink_sendmsg+0x723/0xbe0 [ 7115.996571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7115.996571][ T10] ___sys_sendmsg+0xee/0x170 [ 7115.996571][ T10] __sys_sendmsg+0xcd/0x170 [ 7115.996571][ T10] do_syscall_64+0xc6/0x1e0 [ 7115.996571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7115.996571][ T10] [ 7115.998883][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7115.998883][ T10] netdev_get_by_index+0x5e/0x80 [ 7115.998883][ T10] fib6_nh_init+0x3d8/0x1580 [ 7115.998883][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7115.998883][ T10] ip6_route_add+0x1c/0x140 [ 7115.998883][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7115.998883][ T10] addrconf_add_dev+0xe2/0x170 [ 7115.998883][ T10] inet6_addr_add+0x12f/0xa40 [ 7115.998883][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7115.998883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7115.998883][ T10] netlink_rcv_skb+0x130/0x360 [ 7115.998883][ T10] netlink_unicast+0x449/0x710 [ 7115.998883][ T10] netlink_sendmsg+0x723/0xbe0 [ 7115.998883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7115.998883][ T10] ___sys_sendmsg+0xee/0x170 [ 7115.998883][ T10] __sys_sendmsg+0xcd/0x170 [ 7115.998883][ T10] do_syscall_64+0xc6/0x1e0 [ 7115.998883][ T10] [ 7116.001091][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7116.001091][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7116.001091][ T10] ipv6_find_idev+0x102/0x170 [ 7116.001091][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7116.001091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7116.001091][ T10] netlink_rcv_skb+0x130/0x360 [ 7116.001091][ T10] netlink_unicast+0x449/0x710 [ 7116.001091][ T10] netlink_sendmsg+0x723/0xbe0 [ 7116.001091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7116.001091][ T10] ___sys_sendmsg+0xee/0x170 [ 7116.001091][ T10] __sys_sendmsg+0xcd/0x170 [ 7116.001091][ T10] do_syscall_64+0xc6/0x1e0 [ 7116.001091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7116.001091][ T10] [ 7116.002822][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7116.002822][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7116.002822][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7116.002822][ T10] ipv6_find_idev+0x102/0x170 [ 7116.002822][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7116.002822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7116.002822][ T10] netlink_rcv_skb+0x130/0x360 [ 7116.002822][ T10] netlink_unicast+0x449/0x710 [ 7116.002822][ T10] netlink_sendmsg+0x723/0xbe0 [ 7116.002822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7116.002822][ T10] ___sys_sendmsg+0xee/0x170 [ 7116.002822][ T10] __sys_sendmsg+0xcd/0x170 [ 7116.002822][ T10] do_syscall_64+0xc6/0x1e0 [ 7116.002822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7116.002822][ T10] [ 7116.004708][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7116.005009][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7116.005009][ T10] netdev_get_by_index+0x5e/0x80 [ 7116.005009][ T10] fib6_nh_init+0x3d8/0x1580 [ 7116.005009][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7116.005009][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7116.005009][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7116.005009][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7116.005009][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7116.005009][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7116.005009][ T10] addrconf_dad_begin+0x310/0x670 [ 7116.005009][ T10] addrconf_dad_work+0x10b/0xab0 [ 7116.005009][ T10] process_one_work+0x84d/0x18a0 [ 7116.005009][ T10] worker_thread+0x587/0xd30 [ 7116.005009][ T10] kthread+0x28a/0x350 [ 7116.005009][ T10] ret_from_fork+0x31/0x70 [ 7116.005009][ T10] ret_from_fork_asm+0x1a/0x30 [ 7116.005009][ T10] [ 7116.007170][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7116.007170][ T10] netdev_get_by_index+0x5e/0x80 [ 7116.007170][ T10] fib6_nh_init+0x3d8/0x1580 [ 7116.007170][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7116.007170][ T10] ip6_route_add+0x1c/0x140 [ 7116.007170][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7116.007170][ T10] inet6_addr_add+0x4f8/0xa40 [ 7116.007170][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7116.007170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7116.007170][ T10] netlink_rcv_skb+0x130/0x360 [ 7116.007170][ T10] netlink_unicast+0x449/0x710 [ 7116.007170][ T10] netlink_sendmsg+0x723/0xbe0 [ 7116.007170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7116.007170][ T10] ___sys_sendmsg+0xee/0x170 [ 7116.007170][ T10] __sys_sendmsg+0xcd/0x170 [ 7116.007170][ T10] do_syscall_64+0xc6/0x1e0 [ 7116.007170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7116.007170][ T10] [ 7116.009418][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7116.009418][ T10] netdev_get_by_index+0x5e/0x80 [ 7116.009418][ T10] fib6_nh_init+0x3d8/0x1580 [ 7116.009418][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7116.009418][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7116.009418][ T10] ipv6_add_addr+0x411/0x2000 [ 7116.009418][ T10] inet6_addr_add+0x30e/0xa40 [ 7116.009418][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7116.009418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7116.009418][ T10] netlink_rcv_skb+0x130/0x360 [ 7116.009418][ T10] netlink_unicast+0x449/0x710 [ 7116.009418][ T10] netlink_sendmsg+0x723/0xbe0 [ 7116.009418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7116.009418][ T10] ___sys_sendmsg+0xee/0x170 [ 7116.009418][ T10] __sys_sendmsg+0xcd/0x170 [ 7116.009418][ T10] do_syscall_64+0xc6/0x1e0 [ 7116.009418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7116.009418][ T10] [ 7116.011666][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7116.011666][ T10] netdev_get_by_index+0x5e/0x80 [ 7116.011666][ T10] fib6_nh_init+0x3d8/0x1580 [ 7116.011666][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7116.011666][ T10] ip6_route_add+0x1c/0x140 [ 7116.011666][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7116.011666][ T10] addrconf_add_dev+0xe2/0x170 [ 7116.011666][ T10] inet6_addr_add+0x12f/0xa40 [ 7116.011666][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7116.011666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7116.011666][ T10] netlink_rcv_skb+0x130/0x360 [ 7116.011666][ T10] netlink_unicast+0x449/0x710 [ 7116.011666][ T10] netlink_sendmsg+0x723/0xbe0 [ 7116.011666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7116.011666][ T10] ___sys_sendmsg+0xee/0x170 [ 7116.011666][ T10] __sys_sendmsg+0xcd/0x170 [ 7116.011666][ T10] do_syscall_64+0xc6/0x1e0 [ 7116.011666][ T10] [ 7116.013888][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7116.013888][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7116.013888][ T10] ipv6_find_idev+0x102/0x170 [ 7116.013888][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7116.013888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7116.013888][ T10] netlink_rcv_skb+0x130/0x360 [ 7116.013888][ T10] netlink_unicast+0x449/0x710 [ 7116.013888][ T10] netlink_sendmsg+0x723/0xbe0 [ 7116.013888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7116.013888][ T10] ___sys_sendmsg+0xee/0x170 [ 7116.013888][ T10] __sys_sendmsg+0xcd/0x170 [ 7116.013888][ T10] do_syscall_64+0xc6/0x1e0 [ 7116.013888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7116.013888][ T10] [ 7116.015685][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7116.015685][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7116.015685][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7116.015685][ T10] ipv6_find_idev+0x102/0x170 [ 7116.015685][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7116.015685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7116.015685][ T10] netlink_rcv_skb+0x130/0x360 [ 7116.015685][ T10] netlink_unicast+0x449/0x710 [ 7116.015685][ T10] netlink_sendmsg+0x723/0xbe0 [ 7116.015685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7116.015685][ T10] ___sys_sendmsg+0xee/0x170 [ 7116.015685][ T10] __sys_sendmsg+0xcd/0x170 [ 7116.015685][ T10] do_syscall_64+0xc6/0x1e0 [ 7116.015685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7116.015685][ T10] [ 7121.729111][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7121.729592][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7121.729592][ T1167] dst_init+0x84/0x4a0 [ 7121.729592][ T1167] dst_alloc+0x97/0x150 [ 7121.729592][ T1167] ip6_dst_alloc+0x23/0x90 [ 7121.729592][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7121.729592][ T1167] ip6_pol_route+0x56f/0x840 [ 7121.729592][ T1167] fib6_rule_lookup+0x334/0x630 [ 7121.729592][ T1167] ip6_route_output_flags+0x259/0x480 [ 7121.729592][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7121.729592][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7121.729592][ T1167] netlink_rcv_skb+0x130/0x360 [ 7121.729592][ T1167] netlink_unicast+0x449/0x710 [ 7121.729592][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7121.729592][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7121.729592][ T1167] ___sys_sendmsg+0xee/0x170 [ 7121.729592][ T1167] __sys_sendmsg+0xcd/0x170 [ 7121.729592][ T1167] do_syscall_64+0xc6/0x1e0 [ 7121.729592][ T1167] [ 7121.731803][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7121.731803][ T1167] netdev_get_by_index+0x5e/0x80 [ 7121.731803][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7121.731803][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7121.731803][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7121.731803][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7121.731803][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7121.731803][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7121.731803][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7121.731803][ T1167] addrconf_dad_begin+0x310/0x670 [ 7121.731803][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7121.731803][ T1167] process_one_work+0x84d/0x18a0 [ 7121.731803][ T1167] worker_thread+0x587/0xd30 [ 7121.731803][ T1167] kthread+0x28a/0x350 [ 7121.731803][ T1167] ret_from_fork+0x31/0x70 [ 7121.731803][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7121.731803][ T1167] [ 7121.733975][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7121.733975][ T1167] netdev_get_by_index+0x5e/0x80 [ 7121.733975][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7121.733975][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7121.733975][ T1167] ip6_route_add+0x1c/0x140 [ 7121.733975][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7121.733975][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7121.733975][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7121.733975][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7121.733975][ T1167] netlink_rcv_skb+0x130/0x360 [ 7121.733975][ T1167] netlink_unicast+0x449/0x710 [ 7121.733975][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7121.733975][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7121.733975][ T1167] ___sys_sendmsg+0xee/0x170 [ 7121.733975][ T1167] __sys_sendmsg+0xcd/0x170 [ 7121.733975][ T1167] do_syscall_64+0xc6/0x1e0 [ 7121.733975][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7121.733975][ T1167] [ 7121.736248][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7121.736248][ T1167] netdev_get_by_index+0x5e/0x80 [ 7121.736248][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7121.736248][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7121.736248][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7121.736248][ T1167] ipv6_add_addr+0x411/0x2000 [ 7121.736248][ T1167] inet6_addr_add+0x30e/0xa40 [ 7121.736248][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7121.736248][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7121.736248][ T1167] netlink_rcv_skb+0x130/0x360 [ 7121.736248][ T1167] netlink_unicast+0x449/0x710 [ 7121.736248][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7121.736248][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7121.736248][ T1167] ___sys_sendmsg+0xee/0x170 [ 7121.736248][ T1167] __sys_sendmsg+0xcd/0x170 [ 7121.736248][ T1167] do_syscall_64+0xc6/0x1e0 [ 7121.736248][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7121.736248][ T1167] [ 7121.738513][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7121.738513][ T1167] netdev_get_by_index+0x5e/0x80 [ 7121.738513][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7121.738513][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7121.738513][ T1167] ip6_route_add+0x1c/0x140 [ 7121.738513][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7121.738513][ T1167] addrconf_add_dev+0xe2/0x170 [ 7121.738513][ T1167] inet6_addr_add+0x12f/0xa40 [ 7121.738513][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7121.738513][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7121.738513][ T1167] netlink_rcv_skb+0x130/0x360 [ 7121.738513][ T1167] netlink_unicast+0x449/0x710 [ 7121.738513][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7121.738513][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7121.738513][ T1167] ___sys_sendmsg+0xee/0x170 [ 7121.738513][ T1167] __sys_sendmsg+0xcd/0x170 [ 7121.738513][ T1167] do_syscall_64+0xc6/0x1e0 [ 7121.738513][ T1167] [ 7121.740747][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7121.740747][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7121.740747][ T1167] ipv6_find_idev+0x102/0x170 [ 7121.740747][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7121.740747][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7121.740747][ T1167] netlink_rcv_skb+0x130/0x360 [ 7121.740747][ T1167] netlink_unicast+0x449/0x710 [ 7121.740747][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7121.740747][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7121.740747][ T1167] ___sys_sendmsg+0xee/0x170 [ 7121.740747][ T1167] __sys_sendmsg+0xcd/0x170 [ 7121.740747][ T1167] do_syscall_64+0xc6/0x1e0 [ 7121.740747][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7121.740747][ T1167] [ 7121.742497][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7121.742497][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7121.742497][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7121.742497][ T1167] ipv6_find_idev+0x102/0x170 [ 7121.742497][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7121.742497][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7121.742497][ T1167] netlink_rcv_skb+0x130/0x360 [ 7121.742497][ T1167] netlink_unicast+0x449/0x710 [ 7121.742497][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7121.742497][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7121.742497][ T1167] ___sys_sendmsg+0xee/0x170 [ 7121.742497][ T1167] __sys_sendmsg+0xcd/0x170 [ 7121.742497][ T1167] do_syscall_64+0xc6/0x1e0 [ 7121.742497][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7121.742497][ T1167] [ 7126.257102][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7126.257508][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7126.257508][ T10] netdev_get_by_index+0x5e/0x80 [ 7126.257508][ T10] fib6_nh_init+0x3d8/0x1580 [ 7126.257508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7126.257508][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7126.257508][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7126.257508][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7126.257508][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7126.257508][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7126.257508][ T10] addrconf_dad_begin+0x310/0x670 [ 7126.257508][ T10] addrconf_dad_work+0x10b/0xab0 [ 7126.257508][ T10] process_one_work+0x84d/0x18a0 [ 7126.257508][ T10] worker_thread+0x587/0xd30 [ 7126.257508][ T10] kthread+0x28a/0x350 [ 7126.257508][ T10] ret_from_fork+0x31/0x70 [ 7126.257508][ T10] ret_from_fork_asm+0x1a/0x30 [ 7126.257508][ T10] [ 7126.259456][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7126.259456][ T10] netdev_get_by_index+0x5e/0x80 [ 7126.259456][ T10] fib6_nh_init+0x3d8/0x1580 [ 7126.259456][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7126.259456][ T10] ip6_route_add+0x1c/0x140 [ 7126.259456][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7126.259456][ T10] inet6_addr_add+0x4f8/0xa40 [ 7126.259456][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7126.259456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7126.259456][ T10] netlink_rcv_skb+0x130/0x360 [ 7126.259456][ T10] netlink_unicast+0x449/0x710 [ 7126.259456][ T10] netlink_sendmsg+0x723/0xbe0 [ 7126.259456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7126.259456][ T10] ___sys_sendmsg+0xee/0x170 [ 7126.259456][ T10] __sys_sendmsg+0xcd/0x170 [ 7126.259456][ T10] do_syscall_64+0xc6/0x1e0 [ 7126.259456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7126.259456][ T10] [ 7126.261990][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7126.261990][ T10] netdev_get_by_index+0x5e/0x80 [ 7126.261990][ T10] fib6_nh_init+0x3d8/0x1580 [ 7126.261990][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7126.261990][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7126.261990][ T10] ipv6_add_addr+0x411/0x2000 [ 7126.261990][ T10] inet6_addr_add+0x30e/0xa40 [ 7126.261990][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7126.261990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7126.261990][ T10] netlink_rcv_skb+0x130/0x360 [ 7126.261990][ T10] netlink_unicast+0x449/0x710 [ 7126.261990][ T10] netlink_sendmsg+0x723/0xbe0 [ 7126.261990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7126.261990][ T10] ___sys_sendmsg+0xee/0x170 [ 7126.261990][ T10] __sys_sendmsg+0xcd/0x170 [ 7126.261990][ T10] do_syscall_64+0xc6/0x1e0 [ 7126.261990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7126.261990][ T10] [ 7126.263999][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7126.263999][ T10] netdev_get_by_index+0x5e/0x80 [ 7126.263999][ T10] fib6_nh_init+0x3d8/0x1580 [ 7126.263999][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7126.263999][ T10] ip6_route_add+0x1c/0x140 [ 7126.263999][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7126.263999][ T10] addrconf_add_dev+0xe2/0x170 [ 7126.263999][ T10] inet6_addr_add+0x12f/0xa40 [ 7126.263999][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7126.263999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7126.263999][ T10] netlink_rcv_skb+0x130/0x360 [ 7126.263999][ T10] netlink_unicast+0x449/0x710 [ 7126.263999][ T10] netlink_sendmsg+0x723/0xbe0 [ 7126.263999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7126.263999][ T10] ___sys_sendmsg+0xee/0x170 [ 7126.263999][ T10] __sys_sendmsg+0xcd/0x170 [ 7126.263999][ T10] do_syscall_64+0xc6/0x1e0 [ 7126.263999][ T10] [ 7126.265989][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7126.265989][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7126.265989][ T10] ipv6_find_idev+0x102/0x170 [ 7126.265989][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7126.265989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7126.265989][ T10] netlink_rcv_skb+0x130/0x360 [ 7126.265989][ T10] netlink_unicast+0x449/0x710 [ 7126.265989][ T10] netlink_sendmsg+0x723/0xbe0 [ 7126.265989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7126.265989][ T10] ___sys_sendmsg+0xee/0x170 [ 7126.265989][ T10] __sys_sendmsg+0xcd/0x170 [ 7126.265989][ T10] do_syscall_64+0xc6/0x1e0 [ 7126.265989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7126.265989][ T10] [ 7126.267537][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7126.267537][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7126.267537][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7126.267537][ T10] ipv6_find_idev+0x102/0x170 [ 7126.267537][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7126.267537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7126.267537][ T10] netlink_rcv_skb+0x130/0x360 [ 7126.267537][ T10] netlink_unicast+0x449/0x710 [ 7126.267537][ T10] netlink_sendmsg+0x723/0xbe0 [ 7126.267537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7126.267537][ T10] ___sys_sendmsg+0xee/0x170 [ 7126.267537][ T10] __sys_sendmsg+0xcd/0x170 [ 7126.267537][ T10] do_syscall_64+0xc6/0x1e0 [ 7126.267537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7126.267537][ T10] [ 7126.269234][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7126.269476][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7126.269476][ T10] netdev_get_by_index+0x5e/0x80 [ 7126.269476][ T10] fib6_nh_init+0x3d8/0x1580 [ 7126.269476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7126.269476][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7126.269476][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7126.269476][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7126.269476][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7126.269476][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7126.269476][ T10] addrconf_dad_begin+0x310/0x670 [ 7126.269476][ T10] addrconf_dad_work+0x10b/0xab0 [ 7126.269476][ T10] process_one_work+0x84d/0x18a0 [ 7126.269476][ T10] worker_thread+0x587/0xd30 [ 7126.269476][ T10] kthread+0x28a/0x350 [ 7126.269476][ T10] ret_from_fork+0x31/0x70 [ 7126.269476][ T10] ret_from_fork_asm+0x1a/0x30 [ 7126.269476][ T10] [ 7126.271395][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7126.271395][ T10] netdev_get_by_index+0x5e/0x80 [ 7126.271395][ T10] fib6_nh_init+0x3d8/0x1580 [ 7126.271395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7126.271395][ T10] ip6_route_add+0x1c/0x140 [ 7126.271395][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7126.271395][ T10] inet6_addr_add+0x4f8/0xa40 [ 7126.271395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7126.271395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7126.271395][ T10] netlink_rcv_skb+0x130/0x360 [ 7126.271395][ T10] netlink_unicast+0x449/0x710 [ 7126.271395][ T10] netlink_sendmsg+0x723/0xbe0 [ 7126.271395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7126.271395][ T10] ___sys_sendmsg+0xee/0x170 [ 7126.271395][ T10] __sys_sendmsg+0xcd/0x170 [ 7126.271395][ T10] do_syscall_64+0xc6/0x1e0 [ 7126.271395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7126.271395][ T10] [ 7126.273410][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7126.273410][ T10] netdev_get_by_index+0x5e/0x80 [ 7126.273410][ T10] fib6_nh_init+0x3d8/0x1580 [ 7126.273410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7126.273410][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7126.273410][ T10] ipv6_add_addr+0x411/0x2000 [ 7126.273410][ T10] inet6_addr_add+0x30e/0xa40 [ 7126.273410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7126.273410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7126.273410][ T10] netlink_rcv_skb+0x130/0x360 [ 7126.273410][ T10] netlink_unicast+0x449/0x710 [ 7126.273410][ T10] netlink_sendmsg+0x723/0xbe0 [ 7126.273410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7126.273410][ T10] ___sys_sendmsg+0xee/0x170 [ 7126.273410][ T10] __sys_sendmsg+0xcd/0x170 [ 7126.273410][ T10] do_syscall_64+0xc6/0x1e0 [ 7126.273410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7126.273410][ T10] [ 7126.275431][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7126.275431][ T10] netdev_get_by_index+0x5e/0x80 [ 7126.275431][ T10] fib6_nh_init+0x3d8/0x1580 [ 7126.275431][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7126.275431][ T10] ip6_route_add+0x1c/0x140 [ 7126.275431][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7126.275431][ T10] addrconf_add_dev+0xe2/0x170 [ 7126.275431][ T10] inet6_addr_add+0x12f/0xa40 [ 7126.275431][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7126.275431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7126.275431][ T10] netlink_rcv_skb+0x130/0x360 [ 7126.275431][ T10] netlink_unicast+0x449/0x710 [ 7126.275431][ T10] netlink_sendmsg+0x723/0xbe0 [ 7126.275431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7126.275431][ T10] ___sys_sendmsg+0xee/0x170 [ 7126.275431][ T10] __sys_sendmsg+0xcd/0x170 [ 7126.275431][ T10] do_syscall_64+0xc6/0x1e0 [ 7126.275431][ T10] [ 7126.277413][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7126.277413][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7126.277413][ T10] ipv6_find_idev+0x102/0x170 [ 7126.277413][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7126.277413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7126.277413][ T10] netlink_rcv_skb+0x130/0x360 [ 7126.277413][ T10] netlink_unicast+0x449/0x710 [ 7126.277413][ T10] netlink_sendmsg+0x723/0xbe0 [ 7126.277413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7126.277413][ T10] ___sys_sendmsg+0xee/0x170 [ 7126.277413][ T10] __sys_sendmsg+0xcd/0x170 [ 7126.277413][ T10] do_syscall_64+0xc6/0x1e0 [ 7126.277413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7126.277413][ T10] [ 7126.278964][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7126.278964][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7126.278964][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7126.278964][ T10] ipv6_find_idev+0x102/0x170 [ 7126.278964][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7126.278964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7126.278964][ T10] netlink_rcv_skb+0x130/0x360 [ 7126.278964][ T10] netlink_unicast+0x449/0x710 [ 7126.278964][ T10] netlink_sendmsg+0x723/0xbe0 [ 7126.278964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7126.278964][ T10] ___sys_sendmsg+0xee/0x170 [ 7126.278964][ T10] __sys_sendmsg+0xcd/0x170 [ 7126.278964][ T10] do_syscall_64+0xc6/0x1e0 [ 7126.278964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7126.278964][ T10] [ 7126.280685][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7126.280936][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7126.280936][ T10] netdev_get_by_index+0x5e/0x80 [ 7126.280936][ T10] fib6_nh_init+0x3d8/0x1580 [ 7126.280936][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7126.280936][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7126.280936][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7126.280936][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7126.280936][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7126.280936][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7126.280936][ T10] addrconf_dad_begin+0x310/0x670 [ 7126.280936][ T10] addrconf_dad_work+0x10b/0xab0 [ 7126.280936][ T10] process_one_work+0x84d/0x18a0 [ 7126.280936][ T10] worker_thread+0x587/0xd30 [ 7126.280936][ T10] kthread+0x28a/0x350 [ 7126.280936][ T10] ret_from_fork+0x31/0x70 [ 7126.280936][ T10] ret_from_fork_asm+0x1a/0x30 [ 7126.280936][ T10] [ 7126.282859][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7126.282859][ T10] netdev_get_by_index+0x5e/0x80 [ 7126.282859][ T10] fib6_nh_init+0x3d8/0x1580 [ 7126.282859][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7126.282859][ T10] ip6_route_add+0x1c/0x140 [ 7126.282859][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7126.282859][ T10] inet6_addr_add+0x4f8/0xa40 [ 7126.282859][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7126.282859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7126.282859][ T10] netlink_rcv_skb+0x130/0x360 [ 7126.282859][ T10] netlink_unicast+0x449/0x710 [ 7126.282859][ T10] netlink_sendmsg+0x723/0xbe0 [ 7126.282859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7126.282859][ T10] ___sys_sendmsg+0xee/0x170 [ 7126.282859][ T10] __sys_sendmsg+0xcd/0x170 [ 7126.282859][ T10] do_syscall_64+0xc6/0x1e0 [ 7126.282859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7126.282859][ T10] [ 7126.285060][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7126.285060][ T10] netdev_get_by_index+0x5e/0x80 [ 7126.285060][ T10] fib6_nh_init+0x3d8/0x1580 [ 7126.285060][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7126.285060][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7126.285060][ T10] ipv6_add_addr+0x411/0x2000 [ 7126.285060][ T10] inet6_addr_add+0x30e/0xa40 [ 7126.285060][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7126.285060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7126.285060][ T10] netlink_rcv_skb+0x130/0x360 [ 7126.285060][ T10] netlink_unicast+0x449/0x710 [ 7126.285060][ T10] netlink_sendmsg+0x723/0xbe0 [ 7126.285060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7126.285060][ T10] ___sys_sendmsg+0xee/0x170 [ 7126.285060][ T10] __sys_sendmsg+0xcd/0x170 [ 7126.285060][ T10] do_syscall_64+0xc6/0x1e0 [ 7126.285060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7126.285060][ T10] [ 7126.287310][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7126.287310][ T10] netdev_get_by_index+0x5e/0x80 [ 7126.287310][ T10] fib6_nh_init+0x3d8/0x1580 [ 7126.287310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7126.287310][ T10] ip6_route_add+0x1c/0x140 [ 7126.287310][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7126.287310][ T10] addrconf_add_dev+0xe2/0x170 [ 7126.287310][ T10] inet6_addr_add+0x12f/0xa40 [ 7126.287310][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7126.287310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7126.287310][ T10] netlink_rcv_skb+0x130/0x360 [ 7126.287310][ T10] netlink_unicast+0x449/0x710 [ 7126.287310][ T10] netlink_sendmsg+0x723/0xbe0 [ 7126.287310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7126.287310][ T10] ___sys_sendmsg+0xee/0x170 [ 7126.287310][ T10] __sys_sendmsg+0xcd/0x170 [ 7126.287310][ T10] do_syscall_64+0xc6/0x1e0 [ 7126.287310][ T10] [ 7126.289516][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7126.289516][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7126.289516][ T10] ipv6_find_idev+0x102/0x170 [ 7126.289516][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7126.289516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7126.289516][ T10] netlink_rcv_skb+0x130/0x360 [ 7126.289516][ T10] netlink_unicast+0x449/0x710 [ 7126.289516][ T10] netlink_sendmsg+0x723/0xbe0 [ 7126.289516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7126.289516][ T10] ___sys_sendmsg+0xee/0x170 [ 7126.289516][ T10] __sys_sendmsg+0xcd/0x170 [ 7126.289516][ T10] do_syscall_64+0xc6/0x1e0 [ 7126.289516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7126.289516][ T10] [ 7126.291245][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7126.291245][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7126.291245][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7126.291245][ T10] ipv6_find_idev+0x102/0x170 [ 7126.291245][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7126.291245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7126.291245][ T10] netlink_rcv_skb+0x130/0x360 [ 7126.291245][ T10] netlink_unicast+0x449/0x710 [ 7126.291245][ T10] netlink_sendmsg+0x723/0xbe0 [ 7126.291245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7126.291245][ T10] ___sys_sendmsg+0xee/0x170 [ 7126.291245][ T10] __sys_sendmsg+0xcd/0x170 [ 7126.291245][ T10] do_syscall_64+0xc6/0x1e0 [ 7126.291245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7126.291245][ T10] [ 7126.293184][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7126.293481][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7126.293481][ T10] netdev_get_by_index+0x5e/0x80 [ 7126.293481][ T10] fib6_nh_init+0x3d8/0x1580 [ 7126.293481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7126.293481][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7126.293481][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7126.293481][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7126.293481][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7126.293481][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7126.293481][ T10] addrconf_dad_begin+0x310/0x670 [ 7126.293481][ T10] addrconf_dad_work+0x10b/0xab0 [ 7126.293481][ T10] process_one_work+0x84d/0x18a0 [ 7126.293481][ T10] worker_thread+0x587/0xd30 [ 7126.293481][ T10] kthread+0x28a/0x350 [ 7126.293481][ T10] ret_from_fork+0x31/0x70 [ 7126.293481][ T10] ret_from_fork_asm+0x1a/0x30 [ 7126.293481][ T10] [ 7126.295585][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7126.295585][ T10] netdev_get_by_index+0x5e/0x80 [ 7126.295585][ T10] fib6_nh_init+0x3d8/0x1580 [ 7126.295585][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7126.295585][ T10] ip6_route_add+0x1c/0x140 [ 7126.295585][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7126.295585][ T10] inet6_addr_add+0x4f8/0xa40 [ 7126.295585][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7126.295585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7126.295585][ T10] netlink_rcv_skb+0x130/0x360 [ 7126.295585][ T10] netlink_unicast+0x449/0x710 [ 7126.295585][ T10] netlink_sendmsg+0x723/0xbe0 [ 7126.295585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7126.295585][ T10] ___sys_sendmsg+0xee/0x170 [ 7126.295585][ T10] __sys_sendmsg+0xcd/0x170 [ 7126.295585][ T10] do_syscall_64+0xc6/0x1e0 [ 7126.295585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7126.295585][ T10] [ 7126.297838][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7126.297838][ T10] netdev_get_by_index+0x5e/0x80 [ 7126.297838][ T10] fib6_nh_init+0x3d8/0x1580 [ 7126.297838][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7126.297838][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7126.297838][ T10] ipv6_add_addr+0x411/0x2000 [ 7126.297838][ T10] inet6_addr_add+0x30e/0xa40 [ 7126.297838][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7126.297838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7126.297838][ T10] netlink_rcv_skb+0x130/0x360 [ 7126.297838][ T10] netlink_unicast+0x449/0x710 [ 7126.297838][ T10] netlink_sendmsg+0x723/0xbe0 [ 7126.297838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7126.297838][ T10] ___sys_sendmsg+0xee/0x170 [ 7126.297838][ T10] __sys_sendmsg+0xcd/0x170 [ 7126.297838][ T10] do_syscall_64+0xc6/0x1e0 [ 7126.297838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7126.297838][ T10] [ 7126.300087][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7126.300087][ T10] netdev_get_by_index+0x5e/0x80 [ 7126.300087][ T10] fib6_nh_init+0x3d8/0x1580 [ 7126.300087][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7126.300087][ T10] ip6_route_add+0x1c/0x140 [ 7126.300087][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7126.300087][ T10] addrconf_add_dev+0xe2/0x170 [ 7126.300087][ T10] inet6_addr_add+0x12f/0xa40 [ 7126.300087][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7126.300087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7126.300087][ T10] netlink_rcv_skb+0x130/0x360 [ 7126.300087][ T10] netlink_unicast+0x449/0x710 [ 7126.300087][ T10] netlink_sendmsg+0x723/0xbe0 [ 7126.300087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7126.300087][ T10] ___sys_sendmsg+0xee/0x170 [ 7126.300087][ T10] __sys_sendmsg+0xcd/0x170 [ 7126.300087][ T10] do_syscall_64+0xc6/0x1e0 [ 7126.300087][ T10] [ 7126.302362][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7126.302362][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7126.302362][ T10] ipv6_find_idev+0x102/0x170 [ 7126.302362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7126.302362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7126.302362][ T10] netlink_rcv_skb+0x130/0x360 [ 7126.302362][ T10] netlink_unicast+0x449/0x710 [ 7126.302362][ T10] netlink_sendmsg+0x723/0xbe0 [ 7126.302362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7126.302362][ T10] ___sys_sendmsg+0xee/0x170 [ 7126.302362][ T10] __sys_sendmsg+0xcd/0x170 [ 7126.302362][ T10] do_syscall_64+0xc6/0x1e0 [ 7126.302362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7126.302362][ T10] [ 7126.304084][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7126.304084][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7126.304084][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7126.304084][ T10] ipv6_find_idev+0x102/0x170 [ 7126.304084][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7126.304084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7126.304084][ T10] netlink_rcv_skb+0x130/0x360 [ 7126.304084][ T10] netlink_unicast+0x449/0x710 [ 7126.304084][ T10] netlink_sendmsg+0x723/0xbe0 [ 7126.304084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7126.304084][ T10] ___sys_sendmsg+0xee/0x170 [ 7126.304084][ T10] __sys_sendmsg+0xcd/0x170 [ 7126.304084][ T10] do_syscall_64+0xc6/0x1e0 [ 7126.304084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7126.304084][ T10] [ 7131.985103][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7131.985613][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7131.985613][ T1167] dst_init+0x84/0x4a0 [ 7131.985613][ T1167] dst_alloc+0x97/0x150 [ 7131.985613][ T1167] ip6_dst_alloc+0x23/0x90 [ 7131.985613][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7131.985613][ T1167] ip6_pol_route+0x56f/0x840 [ 7131.985613][ T1167] fib6_rule_lookup+0x334/0x630 [ 7131.985613][ T1167] ip6_route_output_flags+0x259/0x480 [ 7131.985613][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7131.985613][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7131.985613][ T1167] netlink_rcv_skb+0x130/0x360 [ 7131.985613][ T1167] netlink_unicast+0x449/0x710 [ 7131.985613][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7131.985613][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7131.985613][ T1167] ___sys_sendmsg+0xee/0x170 [ 7131.985613][ T1167] __sys_sendmsg+0xcd/0x170 [ 7131.985613][ T1167] do_syscall_64+0xc6/0x1e0 [ 7131.985613][ T1167] [ 7131.987817][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7131.987817][ T1167] netdev_get_by_index+0x5e/0x80 [ 7131.987817][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7131.987817][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7131.987817][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7131.987817][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7131.987817][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7131.987817][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7131.987817][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7131.987817][ T1167] addrconf_dad_begin+0x310/0x670 [ 7131.987817][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7131.987817][ T1167] process_one_work+0x84d/0x18a0 [ 7131.987817][ T1167] worker_thread+0x587/0xd30 [ 7131.987817][ T1167] kthread+0x28a/0x350 [ 7131.987817][ T1167] ret_from_fork+0x31/0x70 [ 7131.987817][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7131.987817][ T1167] [ 7131.989982][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7131.989982][ T1167] netdev_get_by_index+0x5e/0x80 [ 7131.989982][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7131.989982][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7131.989982][ T1167] ip6_route_add+0x1c/0x140 [ 7131.989982][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7131.989982][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7131.989982][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7131.989982][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7131.989982][ T1167] netlink_rcv_skb+0x130/0x360 [ 7131.989982][ T1167] netlink_unicast+0x449/0x710 [ 7131.989982][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7131.989982][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7131.989982][ T1167] ___sys_sendmsg+0xee/0x170 [ 7131.989982][ T1167] __sys_sendmsg+0xcd/0x170 [ 7131.989982][ T1167] do_syscall_64+0xc6/0x1e0 [ 7131.989982][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7131.989982][ T1167] [ 7131.992237][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7131.992237][ T1167] netdev_get_by_index+0x5e/0x80 [ 7131.992237][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7131.992237][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7131.992237][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7131.992237][ T1167] ipv6_add_addr+0x411/0x2000 [ 7131.992237][ T1167] inet6_addr_add+0x30e/0xa40 [ 7131.992237][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7131.992237][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7131.992237][ T1167] netlink_rcv_skb+0x130/0x360 [ 7131.992237][ T1167] netlink_unicast+0x449/0x710 [ 7131.992237][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7131.992237][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7131.992237][ T1167] ___sys_sendmsg+0xee/0x170 [ 7131.992237][ T1167] __sys_sendmsg+0xcd/0x170 [ 7131.992237][ T1167] do_syscall_64+0xc6/0x1e0 [ 7131.992237][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7131.992237][ T1167] [ 7131.994497][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7131.994497][ T1167] netdev_get_by_index+0x5e/0x80 [ 7131.994497][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7131.994497][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7131.994497][ T1167] ip6_route_add+0x1c/0x140 [ 7131.994497][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7131.994497][ T1167] addrconf_add_dev+0xe2/0x170 [ 7131.994497][ T1167] inet6_addr_add+0x12f/0xa40 [ 7131.994497][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7131.994497][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7131.994497][ T1167] netlink_rcv_skb+0x130/0x360 [ 7131.994497][ T1167] netlink_unicast+0x449/0x710 [ 7131.994497][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7131.994497][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7131.994497][ T1167] ___sys_sendmsg+0xee/0x170 [ 7131.994497][ T1167] __sys_sendmsg+0xcd/0x170 [ 7131.994497][ T1167] do_syscall_64+0xc6/0x1e0 [ 7131.994497][ T1167] [ 7131.996725][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7131.996725][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7131.996725][ T1167] ipv6_find_idev+0x102/0x170 [ 7131.996725][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7131.996725][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7131.996725][ T1167] netlink_rcv_skb+0x130/0x360 [ 7131.996725][ T1167] netlink_unicast+0x449/0x710 [ 7131.996725][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7131.996725][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7131.996725][ T1167] ___sys_sendmsg+0xee/0x170 [ 7131.996725][ T1167] __sys_sendmsg+0xcd/0x170 [ 7131.996725][ T1167] do_syscall_64+0xc6/0x1e0 [ 7131.996725][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7131.996725][ T1167] [ 7131.998460][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7131.998460][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7131.998460][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7131.998460][ T1167] ipv6_find_idev+0x102/0x170 [ 7131.998460][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7131.998460][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7131.998460][ T1167] netlink_rcv_skb+0x130/0x360 [ 7131.998460][ T1167] netlink_unicast+0x449/0x710 [ 7131.998460][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7131.998460][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7131.998460][ T1167] ___sys_sendmsg+0xee/0x170 [ 7131.998460][ T1167] __sys_sendmsg+0xcd/0x170 [ 7131.998460][ T1167] do_syscall_64+0xc6/0x1e0 [ 7131.998460][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7131.998460][ T1167] [ 7136.433210][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7136.433613][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7136.433613][ T10] netdev_get_by_index+0x5e/0x80 [ 7136.433613][ T10] fib6_nh_init+0x3d8/0x1580 [ 7136.433613][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7136.433613][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7136.433613][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7136.433613][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7136.433613][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7136.433613][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7136.433613][ T10] addrconf_dad_begin+0x310/0x670 [ 7136.433613][ T10] addrconf_dad_work+0x10b/0xab0 [ 7136.433613][ T10] process_one_work+0x84d/0x18a0 [ 7136.433613][ T10] worker_thread+0x587/0xd30 [ 7136.433613][ T10] kthread+0x28a/0x350 [ 7136.433613][ T10] ret_from_fork+0x31/0x70 [ 7136.433613][ T10] ret_from_fork_asm+0x1a/0x30 [ 7136.433613][ T10] [ 7136.435648][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7136.435648][ T10] netdev_get_by_index+0x5e/0x80 [ 7136.435648][ T10] fib6_nh_init+0x3d8/0x1580 [ 7136.435648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7136.435648][ T10] ip6_route_add+0x1c/0x140 [ 7136.435648][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7136.435648][ T10] inet6_addr_add+0x4f8/0xa40 [ 7136.435648][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7136.435648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7136.435648][ T10] netlink_rcv_skb+0x130/0x360 [ 7136.435648][ T10] netlink_unicast+0x449/0x710 [ 7136.435648][ T10] netlink_sendmsg+0x723/0xbe0 [ 7136.435648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7136.435648][ T10] ___sys_sendmsg+0xee/0x170 [ 7136.435648][ T10] __sys_sendmsg+0xcd/0x170 [ 7136.435648][ T10] do_syscall_64+0xc6/0x1e0 [ 7136.435648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7136.435648][ T10] [ 7136.438213][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7136.438213][ T10] netdev_get_by_index+0x5e/0x80 [ 7136.438213][ T10] fib6_nh_init+0x3d8/0x1580 [ 7136.438213][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7136.438213][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7136.438213][ T10] ipv6_add_addr+0x411/0x2000 [ 7136.438213][ T10] inet6_addr_add+0x30e/0xa40 [ 7136.438213][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7136.438213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7136.438213][ T10] netlink_rcv_skb+0x130/0x360 [ 7136.438213][ T10] netlink_unicast+0x449/0x710 [ 7136.438213][ T10] netlink_sendmsg+0x723/0xbe0 [ 7136.438213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7136.438213][ T10] ___sys_sendmsg+0xee/0x170 [ 7136.438213][ T10] __sys_sendmsg+0xcd/0x170 [ 7136.438213][ T10] do_syscall_64+0xc6/0x1e0 [ 7136.438213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7136.438213][ T10] [ 7136.440235][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7136.440235][ T10] netdev_get_by_index+0x5e/0x80 [ 7136.440235][ T10] fib6_nh_init+0x3d8/0x1580 [ 7136.440235][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7136.440235][ T10] ip6_route_add+0x1c/0x140 [ 7136.440235][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7136.440235][ T10] addrconf_add_dev+0xe2/0x170 [ 7136.440235][ T10] inet6_addr_add+0x12f/0xa40 [ 7136.440235][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7136.440235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7136.440235][ T10] netlink_rcv_skb+0x130/0x360 [ 7136.440235][ T10] netlink_unicast+0x449/0x710 [ 7136.440235][ T10] netlink_sendmsg+0x723/0xbe0 [ 7136.440235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7136.440235][ T10] ___sys_sendmsg+0xee/0x170 [ 7136.440235][ T10] __sys_sendmsg+0xcd/0x170 [ 7136.440235][ T10] do_syscall_64+0xc6/0x1e0 [ 7136.440235][ T10] [ 7136.442319][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7136.442319][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7136.442319][ T10] ipv6_find_idev+0x102/0x170 [ 7136.442319][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7136.442319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7136.442319][ T10] netlink_rcv_skb+0x130/0x360 [ 7136.442319][ T10] netlink_unicast+0x449/0x710 [ 7136.442319][ T10] netlink_sendmsg+0x723/0xbe0 [ 7136.442319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7136.442319][ T10] ___sys_sendmsg+0xee/0x170 [ 7136.442319][ T10] __sys_sendmsg+0xcd/0x170 [ 7136.442319][ T10] do_syscall_64+0xc6/0x1e0 [ 7136.442319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7136.442319][ T10] [ 7136.443878][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7136.443878][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7136.443878][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7136.443878][ T10] ipv6_find_idev+0x102/0x170 [ 7136.443878][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7136.443878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7136.443878][ T10] netlink_rcv_skb+0x130/0x360 [ 7136.443878][ T10] netlink_unicast+0x449/0x710 [ 7136.443878][ T10] netlink_sendmsg+0x723/0xbe0 [ 7136.443878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7136.443878][ T10] ___sys_sendmsg+0xee/0x170 [ 7136.443878][ T10] __sys_sendmsg+0xcd/0x170 [ 7136.443878][ T10] do_syscall_64+0xc6/0x1e0 [ 7136.443878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7136.443878][ T10] [ 7136.445602][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7136.445848][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7136.445848][ T10] netdev_get_by_index+0x5e/0x80 [ 7136.445848][ T10] fib6_nh_init+0x3d8/0x1580 [ 7136.445848][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7136.445848][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7136.445848][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7136.445848][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7136.445848][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7136.445848][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7136.445848][ T10] addrconf_dad_begin+0x310/0x670 [ 7136.445848][ T10] addrconf_dad_work+0x10b/0xab0 [ 7136.445848][ T10] process_one_work+0x84d/0x18a0 [ 7136.445848][ T10] worker_thread+0x587/0xd30 [ 7136.445848][ T10] kthread+0x28a/0x350 [ 7136.445848][ T10] ret_from_fork+0x31/0x70 [ 7136.445848][ T10] ret_from_fork_asm+0x1a/0x30 [ 7136.445848][ T10] [ 7136.447766][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7136.447766][ T10] netdev_get_by_index+0x5e/0x80 [ 7136.447766][ T10] fib6_nh_init+0x3d8/0x1580 [ 7136.447766][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7136.447766][ T10] ip6_route_add+0x1c/0x140 [ 7136.447766][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7136.447766][ T10] inet6_addr_add+0x4f8/0xa40 [ 7136.447766][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7136.447766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7136.447766][ T10] netlink_rcv_skb+0x130/0x360 [ 7136.447766][ T10] netlink_unicast+0x449/0x710 [ 7136.447766][ T10] netlink_sendmsg+0x723/0xbe0 [ 7136.447766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7136.447766][ T10] ___sys_sendmsg+0xee/0x170 [ 7136.447766][ T10] __sys_sendmsg+0xcd/0x170 [ 7136.447766][ T10] do_syscall_64+0xc6/0x1e0 [ 7136.447766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7136.447766][ T10] [ 7136.449780][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7136.449780][ T10] netdev_get_by_index+0x5e/0x80 [ 7136.449780][ T10] fib6_nh_init+0x3d8/0x1580 [ 7136.449780][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7136.449780][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7136.449780][ T10] ipv6_add_addr+0x411/0x2000 [ 7136.449780][ T10] inet6_addr_add+0x30e/0xa40 [ 7136.449780][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7136.449780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7136.449780][ T10] netlink_rcv_skb+0x130/0x360 [ 7136.449780][ T10] netlink_unicast+0x449/0x710 [ 7136.449780][ T10] netlink_sendmsg+0x723/0xbe0 [ 7136.449780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7136.449780][ T10] ___sys_sendmsg+0xee/0x170 [ 7136.449780][ T10] __sys_sendmsg+0xcd/0x170 [ 7136.449780][ T10] do_syscall_64+0xc6/0x1e0 [ 7136.449780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7136.449780][ T10] [ 7136.451794][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7136.451794][ T10] netdev_get_by_index+0x5e/0x80 [ 7136.451794][ T10] fib6_nh_init+0x3d8/0x1580 [ 7136.451794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7136.451794][ T10] ip6_route_add+0x1c/0x140 [ 7136.451794][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7136.451794][ T10] addrconf_add_dev+0xe2/0x170 [ 7136.451794][ T10] inet6_addr_add+0x12f/0xa40 [ 7136.451794][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7136.451794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7136.451794][ T10] netlink_rcv_skb+0x130/0x360 [ 7136.451794][ T10] netlink_unicast+0x449/0x710 [ 7136.451794][ T10] netlink_sendmsg+0x723/0xbe0 [ 7136.451794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7136.451794][ T10] ___sys_sendmsg+0xee/0x170 [ 7136.451794][ T10] __sys_sendmsg+0xcd/0x170 [ 7136.451794][ T10] do_syscall_64+0xc6/0x1e0 [ 7136.451794][ T10] [ 7136.453769][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7136.453769][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7136.453769][ T10] ipv6_find_idev+0x102/0x170 [ 7136.453769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7136.453769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7136.453769][ T10] netlink_rcv_skb+0x130/0x360 [ 7136.453769][ T10] netlink_unicast+0x449/0x710 [ 7136.453769][ T10] netlink_sendmsg+0x723/0xbe0 [ 7136.453769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7136.453769][ T10] ___sys_sendmsg+0xee/0x170 [ 7136.453769][ T10] __sys_sendmsg+0xcd/0x170 [ 7136.453769][ T10] do_syscall_64+0xc6/0x1e0 [ 7136.453769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7136.453769][ T10] [ 7136.455323][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7136.455323][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7136.455323][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7136.455323][ T10] ipv6_find_idev+0x102/0x170 [ 7136.455323][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7136.455323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7136.455323][ T10] netlink_rcv_skb+0x130/0x360 [ 7136.455323][ T10] netlink_unicast+0x449/0x710 [ 7136.455323][ T10] netlink_sendmsg+0x723/0xbe0 [ 7136.455323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7136.455323][ T10] ___sys_sendmsg+0xee/0x170 [ 7136.455323][ T10] __sys_sendmsg+0xcd/0x170 [ 7136.455323][ T10] do_syscall_64+0xc6/0x1e0 [ 7136.455323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7136.455323][ T10] [ 7136.457025][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7136.457265][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7136.457265][ T10] netdev_get_by_index+0x5e/0x80 [ 7136.457265][ T10] fib6_nh_init+0x3d8/0x1580 [ 7136.457265][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7136.457265][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7136.457265][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7136.457265][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7136.457265][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7136.457265][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7136.457265][ T10] addrconf_dad_begin+0x310/0x670 [ 7136.457265][ T10] addrconf_dad_work+0x10b/0xab0 [ 7136.457265][ T10] process_one_work+0x84d/0x18a0 [ 7136.457265][ T10] worker_thread+0x587/0xd30 [ 7136.457265][ T10] kthread+0x28a/0x350 [ 7136.457265][ T10] ret_from_fork+0x31/0x70 [ 7136.457265][ T10] ret_from_fork_asm+0x1a/0x30 [ 7136.457265][ T10] [ 7136.459186][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7136.459186][ T10] netdev_get_by_index+0x5e/0x80 [ 7136.459186][ T10] fib6_nh_init+0x3d8/0x1580 [ 7136.459186][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7136.459186][ T10] ip6_route_add+0x1c/0x140 [ 7136.459186][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7136.459186][ T10] inet6_addr_add+0x4f8/0xa40 [ 7136.459186][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7136.459186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7136.459186][ T10] netlink_rcv_skb+0x130/0x360 [ 7136.459186][ T10] netlink_unicast+0x449/0x710 [ 7136.459186][ T10] netlink_sendmsg+0x723/0xbe0 [ 7136.459186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7136.459186][ T10] ___sys_sendmsg+0xee/0x170 [ 7136.459186][ T10] __sys_sendmsg+0xcd/0x170 [ 7136.459186][ T10] do_syscall_64+0xc6/0x1e0 [ 7136.459186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7136.459186][ T10] [ 7136.461379][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7136.461379][ T10] netdev_get_by_index+0x5e/0x80 [ 7136.461379][ T10] fib6_nh_init+0x3d8/0x1580 [ 7136.461379][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7136.461379][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7136.461379][ T10] ipv6_add_addr+0x411/0x2000 [ 7136.461379][ T10] inet6_addr_add+0x30e/0xa40 [ 7136.461379][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7136.461379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7136.461379][ T10] netlink_rcv_skb+0x130/0x360 [ 7136.461379][ T10] netlink_unicast+0x449/0x710 [ 7136.461379][ T10] netlink_sendmsg+0x723/0xbe0 [ 7136.461379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7136.461379][ T10] ___sys_sendmsg+0xee/0x170 [ 7136.461379][ T10] __sys_sendmsg+0xcd/0x170 [ 7136.461379][ T10] do_syscall_64+0xc6/0x1e0 [ 7136.461379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7136.461379][ T10] [ 7136.463631][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7136.463631][ T10] netdev_get_by_index+0x5e/0x80 [ 7136.463631][ T10] fib6_nh_init+0x3d8/0x1580 [ 7136.463631][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7136.463631][ T10] ip6_route_add+0x1c/0x140 [ 7136.463631][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7136.463631][ T10] addrconf_add_dev+0xe2/0x170 [ 7136.463631][ T10] inet6_addr_add+0x12f/0xa40 [ 7136.463631][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7136.463631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7136.463631][ T10] netlink_rcv_skb+0x130/0x360 [ 7136.463631][ T10] netlink_unicast+0x449/0x710 [ 7136.463631][ T10] netlink_sendmsg+0x723/0xbe0 [ 7136.463631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7136.463631][ T10] ___sys_sendmsg+0xee/0x170 [ 7136.463631][ T10] __sys_sendmsg+0xcd/0x170 [ 7136.463631][ T10] do_syscall_64+0xc6/0x1e0 [ 7136.463631][ T10] [ 7136.465797][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7136.465797][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7136.465797][ T10] ipv6_find_idev+0x102/0x170 [ 7136.465797][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7136.465797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7136.465797][ T10] netlink_rcv_skb+0x130/0x360 [ 7136.465797][ T10] netlink_unicast+0x449/0x710 [ 7136.465797][ T10] netlink_sendmsg+0x723/0xbe0 [ 7136.465797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7136.465797][ T10] ___sys_sendmsg+0xee/0x170 [ 7136.465797][ T10] __sys_sendmsg+0xcd/0x170 [ 7136.465797][ T10] do_syscall_64+0xc6/0x1e0 [ 7136.465797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7136.465797][ T10] [ 7136.467582][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7136.467582][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7136.467582][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7136.467582][ T10] ipv6_find_idev+0x102/0x170 [ 7136.467582][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7136.467582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7136.467582][ T10] netlink_rcv_skb+0x130/0x360 [ 7136.467582][ T10] netlink_unicast+0x449/0x710 [ 7136.467582][ T10] netlink_sendmsg+0x723/0xbe0 [ 7136.467582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7136.467582][ T10] ___sys_sendmsg+0xee/0x170 [ 7136.467582][ T10] __sys_sendmsg+0xcd/0x170 [ 7136.467582][ T10] do_syscall_64+0xc6/0x1e0 [ 7136.467582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7136.467582][ T10] [ 7136.469523][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7136.469766][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7136.469766][ T10] netdev_get_by_index+0x5e/0x80 [ 7136.469766][ T10] fib6_nh_init+0x3d8/0x1580 [ 7136.469766][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7136.469766][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7136.469766][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7136.469766][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7136.469766][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7136.469766][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7136.469766][ T10] addrconf_dad_begin+0x310/0x670 [ 7136.469766][ T10] addrconf_dad_work+0x10b/0xab0 [ 7136.469766][ T10] process_one_work+0x84d/0x18a0 [ 7136.469766][ T10] worker_thread+0x587/0xd30 [ 7136.469766][ T10] kthread+0x28a/0x350 [ 7136.469766][ T10] ret_from_fork+0x31/0x70 [ 7136.469766][ T10] ret_from_fork_asm+0x1a/0x30 [ 7136.469766][ T10] [ 7136.471918][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7136.471918][ T10] netdev_get_by_index+0x5e/0x80 [ 7136.471918][ T10] fib6_nh_init+0x3d8/0x1580 [ 7136.471918][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7136.471918][ T10] ip6_route_add+0x1c/0x140 [ 7136.471918][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7136.471918][ T10] inet6_addr_add+0x4f8/0xa40 [ 7136.471918][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7136.471918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7136.471918][ T10] netlink_rcv_skb+0x130/0x360 [ 7136.471918][ T10] netlink_unicast+0x449/0x710 [ 7136.471918][ T10] netlink_sendmsg+0x723/0xbe0 [ 7136.471918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7136.471918][ T10] ___sys_sendmsg+0xee/0x170 [ 7136.471918][ T10] __sys_sendmsg+0xcd/0x170 [ 7136.471918][ T10] do_syscall_64+0xc6/0x1e0 [ 7136.471918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7136.471918][ T10] [ 7136.474104][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7136.474104][ T10] netdev_get_by_index+0x5e/0x80 [ 7136.474104][ T10] fib6_nh_init+0x3d8/0x1580 [ 7136.474104][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7136.474104][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7136.474104][ T10] ipv6_add_addr+0x411/0x2000 [ 7136.474104][ T10] inet6_addr_add+0x30e/0xa40 [ 7136.474104][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7136.474104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7136.474104][ T10] netlink_rcv_skb+0x130/0x360 [ 7136.474104][ T10] netlink_unicast+0x449/0x710 [ 7136.474104][ T10] netlink_sendmsg+0x723/0xbe0 [ 7136.474104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7136.474104][ T10] ___sys_sendmsg+0xee/0x170 [ 7136.474104][ T10] __sys_sendmsg+0xcd/0x170 [ 7136.474104][ T10] do_syscall_64+0xc6/0x1e0 [ 7136.474104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7136.474104][ T10] [ 7136.476423][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7136.476423][ T10] netdev_get_by_index+0x5e/0x80 [ 7136.476423][ T10] fib6_nh_init+0x3d8/0x1580 [ 7136.476423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7136.476423][ T10] ip6_route_add+0x1c/0x140 [ 7136.476423][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7136.476423][ T10] addrconf_add_dev+0xe2/0x170 [ 7136.476423][ T10] inet6_addr_add+0x12f/0xa40 [ 7136.476423][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7136.476423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7136.476423][ T10] netlink_rcv_skb+0x130/0x360 [ 7136.476423][ T10] netlink_unicast+0x449/0x710 [ 7136.476423][ T10] netlink_sendmsg+0x723/0xbe0 [ 7136.476423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7136.476423][ T10] ___sys_sendmsg+0xee/0x170 [ 7136.476423][ T10] __sys_sendmsg+0xcd/0x170 [ 7136.476423][ T10] do_syscall_64+0xc6/0x1e0 [ 7136.476423][ T10] [ 7136.478638][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7136.478638][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7136.478638][ T10] ipv6_find_idev+0x102/0x170 [ 7136.478638][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7136.478638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7136.478638][ T10] netlink_rcv_skb+0x130/0x360 [ 7136.478638][ T10] netlink_unicast+0x449/0x710 [ 7136.478638][ T10] netlink_sendmsg+0x723/0xbe0 [ 7136.478638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7136.478638][ T10] ___sys_sendmsg+0xee/0x170 [ 7136.478638][ T10] __sys_sendmsg+0xcd/0x170 [ 7136.478638][ T10] do_syscall_64+0xc6/0x1e0 [ 7136.478638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7136.478638][ T10] [ 7136.480357][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7136.480357][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7136.480357][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7136.480357][ T10] ipv6_find_idev+0x102/0x170 [ 7136.480357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7136.480357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7136.480357][ T10] netlink_rcv_skb+0x130/0x360 [ 7136.480357][ T10] netlink_unicast+0x449/0x710 [ 7136.480357][ T10] netlink_sendmsg+0x723/0xbe0 [ 7136.480357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7136.480357][ T10] ___sys_sendmsg+0xee/0x170 [ 7136.480357][ T10] __sys_sendmsg+0xcd/0x170 [ 7136.480357][ T10] do_syscall_64+0xc6/0x1e0 [ 7136.480357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7136.480357][ T10] [ 7142.065111][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7142.065576][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7142.065576][ T1167] dst_init+0x84/0x4a0 [ 7142.065576][ T1167] dst_alloc+0x97/0x150 [ 7142.065576][ T1167] ip6_dst_alloc+0x23/0x90 [ 7142.065576][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7142.065576][ T1167] ip6_pol_route+0x56f/0x840 [ 7142.065576][ T1167] fib6_rule_lookup+0x334/0x630 [ 7142.065576][ T1167] ip6_route_output_flags+0x259/0x480 [ 7142.065576][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7142.065576][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7142.065576][ T1167] netlink_rcv_skb+0x130/0x360 [ 7142.065576][ T1167] netlink_unicast+0x449/0x710 [ 7142.065576][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7142.065576][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7142.065576][ T1167] ___sys_sendmsg+0xee/0x170 [ 7142.065576][ T1167] __sys_sendmsg+0xcd/0x170 [ 7142.065576][ T1167] do_syscall_64+0xc6/0x1e0 [ 7142.065576][ T1167] [ 7142.067795][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7142.067795][ T1167] netdev_get_by_index+0x5e/0x80 [ 7142.067795][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7142.067795][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7142.067795][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7142.067795][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7142.067795][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7142.067795][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7142.067795][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7142.067795][ T1167] addrconf_dad_begin+0x310/0x670 [ 7142.067795][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7142.067795][ T1167] process_one_work+0x84d/0x18a0 [ 7142.067795][ T1167] worker_thread+0x587/0xd30 [ 7142.067795][ T1167] kthread+0x28a/0x350 [ 7142.067795][ T1167] ret_from_fork+0x31/0x70 [ 7142.067795][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7142.067795][ T1167] [ 7142.069960][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7142.069960][ T1167] netdev_get_by_index+0x5e/0x80 [ 7142.069960][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7142.069960][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7142.069960][ T1167] ip6_route_add+0x1c/0x140 [ 7142.069960][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7142.069960][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7142.069960][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7142.069960][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7142.069960][ T1167] netlink_rcv_skb+0x130/0x360 [ 7142.069960][ T1167] netlink_unicast+0x449/0x710 [ 7142.069960][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7142.069960][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7142.069960][ T1167] ___sys_sendmsg+0xee/0x170 [ 7142.069960][ T1167] __sys_sendmsg+0xcd/0x170 [ 7142.069960][ T1167] do_syscall_64+0xc6/0x1e0 [ 7142.069960][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7142.069960][ T1167] [ 7142.072211][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7142.072211][ T1167] netdev_get_by_index+0x5e/0x80 [ 7142.072211][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7142.072211][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7142.072211][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7142.072211][ T1167] ipv6_add_addr+0x411/0x2000 [ 7142.072211][ T1167] inet6_addr_add+0x30e/0xa40 [ 7142.072211][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7142.072211][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7142.072211][ T1167] netlink_rcv_skb+0x130/0x360 [ 7142.072211][ T1167] netlink_unicast+0x449/0x710 [ 7142.072211][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7142.072211][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7142.072211][ T1167] ___sys_sendmsg+0xee/0x170 [ 7142.072211][ T1167] __sys_sendmsg+0xcd/0x170 [ 7142.072211][ T1167] do_syscall_64+0xc6/0x1e0 [ 7142.072211][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7142.072211][ T1167] [ 7142.074471][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7142.074471][ T1167] netdev_get_by_index+0x5e/0x80 [ 7142.074471][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7142.074471][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7142.074471][ T1167] ip6_route_add+0x1c/0x140 [ 7142.074471][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7142.074471][ T1167] addrconf_add_dev+0xe2/0x170 [ 7142.074471][ T1167] inet6_addr_add+0x12f/0xa40 [ 7142.074471][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7142.074471][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7142.074471][ T1167] netlink_rcv_skb+0x130/0x360 [ 7142.074471][ T1167] netlink_unicast+0x449/0x710 [ 7142.074471][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7142.074471][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7142.074471][ T1167] ___sys_sendmsg+0xee/0x170 [ 7142.074471][ T1167] __sys_sendmsg+0xcd/0x170 [ 7142.074471][ T1167] do_syscall_64+0xc6/0x1e0 [ 7142.074471][ T1167] [ 7142.076715][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7142.076715][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7142.076715][ T1167] ipv6_find_idev+0x102/0x170 [ 7142.076715][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7142.076715][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7142.076715][ T1167] netlink_rcv_skb+0x130/0x360 [ 7142.076715][ T1167] netlink_unicast+0x449/0x710 [ 7142.076715][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7142.076715][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7142.076715][ T1167] ___sys_sendmsg+0xee/0x170 [ 7142.076715][ T1167] __sys_sendmsg+0xcd/0x170 [ 7142.076715][ T1167] do_syscall_64+0xc6/0x1e0 [ 7142.076715][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7142.076715][ T1167] [ 7142.078457][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7142.078457][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7142.078457][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7142.078457][ T1167] ipv6_find_idev+0x102/0x170 [ 7142.078457][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7142.078457][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7142.078457][ T1167] netlink_rcv_skb+0x130/0x360 [ 7142.078457][ T1167] netlink_unicast+0x449/0x710 [ 7142.078457][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7142.078457][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7142.078457][ T1167] ___sys_sendmsg+0xee/0x170 [ 7142.078457][ T1167] __sys_sendmsg+0xcd/0x170 [ 7142.078457][ T1167] do_syscall_64+0xc6/0x1e0 [ 7142.078457][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7142.078457][ T1167] [ 7146.665197][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7146.665604][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7146.665604][ T10] netdev_get_by_index+0x5e/0x80 [ 7146.665604][ T10] fib6_nh_init+0x3d8/0x1580 [ 7146.665604][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7146.665604][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7146.665604][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7146.665604][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7146.665604][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7146.665604][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7146.665604][ T10] addrconf_dad_begin+0x310/0x670 [ 7146.665604][ T10] addrconf_dad_work+0x10b/0xab0 [ 7146.665604][ T10] process_one_work+0x84d/0x18a0 [ 7146.665604][ T10] worker_thread+0x587/0xd30 [ 7146.665604][ T10] kthread+0x28a/0x350 [ 7146.665604][ T10] ret_from_fork+0x31/0x70 [ 7146.665604][ T10] ret_from_fork_asm+0x1a/0x30 [ 7146.665604][ T10] [ 7146.667592][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7146.667592][ T10] netdev_get_by_index+0x5e/0x80 [ 7146.667592][ T10] fib6_nh_init+0x3d8/0x1580 [ 7146.667592][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7146.667592][ T10] ip6_route_add+0x1c/0x140 [ 7146.667592][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7146.667592][ T10] inet6_addr_add+0x4f8/0xa40 [ 7146.667592][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7146.667592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7146.667592][ T10] netlink_rcv_skb+0x130/0x360 [ 7146.667592][ T10] netlink_unicast+0x449/0x710 [ 7146.667592][ T10] netlink_sendmsg+0x723/0xbe0 [ 7146.667592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7146.667592][ T10] ___sys_sendmsg+0xee/0x170 [ 7146.667592][ T10] __sys_sendmsg+0xcd/0x170 [ 7146.667592][ T10] do_syscall_64+0xc6/0x1e0 [ 7146.667592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7146.667592][ T10] [ 7146.669607][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7146.669607][ T10] netdev_get_by_index+0x5e/0x80 [ 7146.669607][ T10] fib6_nh_init+0x3d8/0x1580 [ 7146.669607][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7146.669607][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7146.669607][ T10] ipv6_add_addr+0x411/0x2000 [ 7146.669607][ T10] inet6_addr_add+0x30e/0xa40 [ 7146.669607][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7146.669607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7146.669607][ T10] netlink_rcv_skb+0x130/0x360 [ 7146.669607][ T10] netlink_unicast+0x449/0x710 [ 7146.669607][ T10] netlink_sendmsg+0x723/0xbe0 [ 7146.669607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7146.669607][ T10] ___sys_sendmsg+0xee/0x170 [ 7146.669607][ T10] __sys_sendmsg+0xcd/0x170 [ 7146.669607][ T10] do_syscall_64+0xc6/0x1e0 [ 7146.669607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7146.669607][ T10] [ 7146.671622][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7146.671622][ T10] netdev_get_by_index+0x5e/0x80 [ 7146.671622][ T10] fib6_nh_init+0x3d8/0x1580 [ 7146.671622][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7146.671622][ T10] ip6_route_add+0x1c/0x140 [ 7146.671622][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7146.671622][ T10] addrconf_add_dev+0xe2/0x170 [ 7146.671622][ T10] inet6_addr_add+0x12f/0xa40 [ 7146.671622][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7146.671622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7146.671622][ T10] netlink_rcv_skb+0x130/0x360 [ 7146.671622][ T10] netlink_unicast+0x449/0x710 [ 7146.671622][ T10] netlink_sendmsg+0x723/0xbe0 [ 7146.671622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7146.671622][ T10] ___sys_sendmsg+0xee/0x170 [ 7146.671622][ T10] __sys_sendmsg+0xcd/0x170 [ 7146.671622][ T10] do_syscall_64+0xc6/0x1e0 [ 7146.671622][ T10] [ 7146.673606][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7146.673606][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7146.673606][ T10] ipv6_find_idev+0x102/0x170 [ 7146.673606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7146.673606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7146.673606][ T10] netlink_rcv_skb+0x130/0x360 [ 7146.673606][ T10] netlink_unicast+0x449/0x710 [ 7146.673606][ T10] netlink_sendmsg+0x723/0xbe0 [ 7146.673606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7146.673606][ T10] ___sys_sendmsg+0xee/0x170 [ 7146.673606][ T10] __sys_sendmsg+0xcd/0x170 [ 7146.673606][ T10] do_syscall_64+0xc6/0x1e0 [ 7146.673606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7146.673606][ T10] [ 7146.675179][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7146.675179][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7146.675179][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7146.675179][ T10] ipv6_find_idev+0x102/0x170 [ 7146.675179][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7146.675179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7146.675179][ T10] netlink_rcv_skb+0x130/0x360 [ 7146.675179][ T10] netlink_unicast+0x449/0x710 [ 7146.675179][ T10] netlink_sendmsg+0x723/0xbe0 [ 7146.675179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7146.675179][ T10] ___sys_sendmsg+0xee/0x170 [ 7146.675179][ T10] __sys_sendmsg+0xcd/0x170 [ 7146.675179][ T10] do_syscall_64+0xc6/0x1e0 [ 7146.675179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7146.675179][ T10] [ 7146.676897][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7146.677160][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7146.677160][ T10] netdev_get_by_index+0x5e/0x80 [ 7146.677160][ T10] fib6_nh_init+0x3d8/0x1580 [ 7146.677160][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7146.677160][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7146.677160][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7146.677160][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7146.677160][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7146.677160][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7146.677160][ T10] addrconf_dad_begin+0x310/0x670 [ 7146.677160][ T10] addrconf_dad_work+0x10b/0xab0 [ 7146.677160][ T10] process_one_work+0x84d/0x18a0 [ 7146.677160][ T10] worker_thread+0x587/0xd30 [ 7146.677160][ T10] kthread+0x28a/0x350 [ 7146.677160][ T10] ret_from_fork+0x31/0x70 [ 7146.677160][ T10] ret_from_fork_asm+0x1a/0x30 [ 7146.677160][ T10] [ 7146.679086][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7146.679086][ T10] netdev_get_by_index+0x5e/0x80 [ 7146.679086][ T10] fib6_nh_init+0x3d8/0x1580 [ 7146.679086][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7146.679086][ T10] ip6_route_add+0x1c/0x140 [ 7146.679086][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7146.679086][ T10] inet6_addr_add+0x4f8/0xa40 [ 7146.679086][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7146.679086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7146.679086][ T10] netlink_rcv_skb+0x130/0x360 [ 7146.679086][ T10] netlink_unicast+0x449/0x710 [ 7146.679086][ T10] netlink_sendmsg+0x723/0xbe0 [ 7146.679086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7146.679086][ T10] ___sys_sendmsg+0xee/0x170 [ 7146.679086][ T10] __sys_sendmsg+0xcd/0x170 [ 7146.679086][ T10] do_syscall_64+0xc6/0x1e0 [ 7146.679086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7146.679086][ T10] [ 7146.681097][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7146.681097][ T10] netdev_get_by_index+0x5e/0x80 [ 7146.681097][ T10] fib6_nh_init+0x3d8/0x1580 [ 7146.681097][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7146.681097][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7146.681097][ T10] ipv6_add_addr+0x411/0x2000 [ 7146.681097][ T10] inet6_addr_add+0x30e/0xa40 [ 7146.681097][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7146.681097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7146.681097][ T10] netlink_rcv_skb+0x130/0x360 [ 7146.681097][ T10] netlink_unicast+0x449/0x710 [ 7146.681097][ T10] netlink_sendmsg+0x723/0xbe0 [ 7146.681097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7146.681097][ T10] ___sys_sendmsg+0xee/0x170 [ 7146.681097][ T10] __sys_sendmsg+0xcd/0x170 [ 7146.681097][ T10] do_syscall_64+0xc6/0x1e0 [ 7146.681097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7146.681097][ T10] [ 7146.683109][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7146.683109][ T10] netdev_get_by_index+0x5e/0x80 [ 7146.683109][ T10] fib6_nh_init+0x3d8/0x1580 [ 7146.683109][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7146.683109][ T10] ip6_route_add+0x1c/0x140 [ 7146.683109][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7146.683109][ T10] addrconf_add_dev+0xe2/0x170 [ 7146.683109][ T10] inet6_addr_add+0x12f/0xa40 [ 7146.683109][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7146.683109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7146.683109][ T10] netlink_rcv_skb+0x130/0x360 [ 7146.683109][ T10] netlink_unicast+0x449/0x710 [ 7146.683109][ T10] netlink_sendmsg+0x723/0xbe0 [ 7146.683109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7146.683109][ T10] ___sys_sendmsg+0xee/0x170 [ 7146.683109][ T10] __sys_sendmsg+0xcd/0x170 [ 7146.683109][ T10] do_syscall_64+0xc6/0x1e0 [ 7146.683109][ T10] [ 7146.685098][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7146.685098][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7146.685098][ T10] ipv6_find_idev+0x102/0x170 [ 7146.685098][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7146.685098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7146.685098][ T10] netlink_rcv_skb+0x130/0x360 [ 7146.685098][ T10] netlink_unicast+0x449/0x710 [ 7146.685098][ T10] netlink_sendmsg+0x723/0xbe0 [ 7146.685098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7146.685098][ T10] ___sys_sendmsg+0xee/0x170 [ 7146.685098][ T10] __sys_sendmsg+0xcd/0x170 [ 7146.685098][ T10] do_syscall_64+0xc6/0x1e0 [ 7146.685098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7146.685098][ T10] [ 7146.686643][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7146.686643][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7146.686643][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7146.686643][ T10] ipv6_find_idev+0x102/0x170 [ 7146.686643][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7146.686643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7146.686643][ T10] netlink_rcv_skb+0x130/0x360 [ 7146.686643][ T10] netlink_unicast+0x449/0x710 [ 7146.686643][ T10] netlink_sendmsg+0x723/0xbe0 [ 7146.686643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7146.686643][ T10] ___sys_sendmsg+0xee/0x170 [ 7146.686643][ T10] __sys_sendmsg+0xcd/0x170 [ 7146.686643][ T10] do_syscall_64+0xc6/0x1e0 [ 7146.686643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7146.686643][ T10] [ 7146.688349][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7146.688596][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7146.688596][ T10] netdev_get_by_index+0x5e/0x80 [ 7146.688596][ T10] fib6_nh_init+0x3d8/0x1580 [ 7146.688596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7146.688596][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7146.688596][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7146.688596][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7146.688596][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7146.688596][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7146.688596][ T10] addrconf_dad_begin+0x310/0x670 [ 7146.688596][ T10] addrconf_dad_work+0x10b/0xab0 [ 7146.688596][ T10] process_one_work+0x84d/0x18a0 [ 7146.688596][ T10] worker_thread+0x587/0xd30 [ 7146.688596][ T10] kthread+0x28a/0x350 [ 7146.688596][ T10] ret_from_fork+0x31/0x70 [ 7146.688596][ T10] ret_from_fork_asm+0x1a/0x30 [ 7146.688596][ T10] [ 7146.690514][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7146.690514][ T10] netdev_get_by_index+0x5e/0x80 [ 7146.690514][ T10] fib6_nh_init+0x3d8/0x1580 [ 7146.690514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7146.690514][ T10] ip6_route_add+0x1c/0x140 [ 7146.690514][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7146.690514][ T10] inet6_addr_add+0x4f8/0xa40 [ 7146.690514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7146.690514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7146.690514][ T10] netlink_rcv_skb+0x130/0x360 [ 7146.690514][ T10] netlink_unicast+0x449/0x710 [ 7146.690514][ T10] netlink_sendmsg+0x723/0xbe0 [ 7146.690514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7146.690514][ T10] ___sys_sendmsg+0xee/0x170 [ 7146.690514][ T10] __sys_sendmsg+0xcd/0x170 [ 7146.690514][ T10] do_syscall_64+0xc6/0x1e0 [ 7146.690514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7146.690514][ T10] [ 7146.692743][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7146.692743][ T10] netdev_get_by_index+0x5e/0x80 [ 7146.692743][ T10] fib6_nh_init+0x3d8/0x1580 [ 7146.692743][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7146.692743][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7146.692743][ T10] ipv6_add_addr+0x411/0x2000 [ 7146.692743][ T10] inet6_addr_add+0x30e/0xa40 [ 7146.692743][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7146.692743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7146.692743][ T10] netlink_rcv_skb+0x130/0x360 [ 7146.692743][ T10] netlink_unicast+0x449/0x710 [ 7146.692743][ T10] netlink_sendmsg+0x723/0xbe0 [ 7146.692743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7146.692743][ T10] ___sys_sendmsg+0xee/0x170 [ 7146.692743][ T10] __sys_sendmsg+0xcd/0x170 [ 7146.692743][ T10] do_syscall_64+0xc6/0x1e0 [ 7146.692743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7146.692743][ T10] [ 7146.695056][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7146.695056][ T10] netdev_get_by_index+0x5e/0x80 [ 7146.695056][ T10] fib6_nh_init+0x3d8/0x1580 [ 7146.695056][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7146.695056][ T10] ip6_route_add+0x1c/0x140 [ 7146.695056][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7146.695056][ T10] addrconf_add_dev+0xe2/0x170 [ 7146.695056][ T10] inet6_addr_add+0x12f/0xa40 [ 7146.695056][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7146.695056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7146.695056][ T10] netlink_rcv_skb+0x130/0x360 [ 7146.695056][ T10] netlink_unicast+0x449/0x710 [ 7146.695056][ T10] netlink_sendmsg+0x723/0xbe0 [ 7146.695056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7146.695056][ T10] ___sys_sendmsg+0xee/0x170 [ 7146.695056][ T10] __sys_sendmsg+0xcd/0x170 [ 7146.695056][ T10] do_syscall_64+0xc6/0x1e0 [ 7146.695056][ T10] [ 7146.697210][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7146.697210][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7146.697210][ T10] ipv6_find_idev+0x102/0x170 [ 7146.697210][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7146.697210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7146.697210][ T10] netlink_rcv_skb+0x130/0x360 [ 7146.697210][ T10] netlink_unicast+0x449/0x710 [ 7146.697210][ T10] netlink_sendmsg+0x723/0xbe0 [ 7146.697210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7146.697210][ T10] ___sys_sendmsg+0xee/0x170 [ 7146.697210][ T10] __sys_sendmsg+0xcd/0x170 [ 7146.697210][ T10] do_syscall_64+0xc6/0x1e0 [ 7146.697210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7146.697210][ T10] [ 7146.698936][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7146.698936][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7146.698936][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7146.698936][ T10] ipv6_find_idev+0x102/0x170 [ 7146.698936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7146.698936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7146.698936][ T10] netlink_rcv_skb+0x130/0x360 [ 7146.698936][ T10] netlink_unicast+0x449/0x710 [ 7146.698936][ T10] netlink_sendmsg+0x723/0xbe0 [ 7146.698936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7146.698936][ T10] ___sys_sendmsg+0xee/0x170 [ 7146.698936][ T10] __sys_sendmsg+0xcd/0x170 [ 7146.698936][ T10] do_syscall_64+0xc6/0x1e0 [ 7146.698936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7146.698936][ T10] [ 7146.700869][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7146.701543][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7146.701543][ T10] netdev_get_by_index+0x5e/0x80 [ 7146.701543][ T10] fib6_nh_init+0x3d8/0x1580 [ 7146.701543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7146.701543][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7146.701543][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7146.701543][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7146.701543][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7146.701543][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7146.701543][ T10] addrconf_dad_begin+0x310/0x670 [ 7146.701543][ T10] addrconf_dad_work+0x10b/0xab0 [ 7146.701543][ T10] process_one_work+0x84d/0x18a0 [ 7146.701543][ T10] worker_thread+0x587/0xd30 [ 7146.701543][ T10] kthread+0x28a/0x350 [ 7146.701543][ T10] ret_from_fork+0x31/0x70 [ 7146.701543][ T10] ret_from_fork_asm+0x1a/0x30 [ 7146.701543][ T10] [ 7146.703474][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7146.703474][ T10] netdev_get_by_index+0x5e/0x80 [ 7146.703474][ T10] fib6_nh_init+0x3d8/0x1580 [ 7146.703474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7146.703474][ T10] ip6_route_add+0x1c/0x140 [ 7146.703474][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7146.703474][ T10] inet6_addr_add+0x4f8/0xa40 [ 7146.703474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7146.703474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7146.703474][ T10] netlink_rcv_skb+0x130/0x360 [ 7146.703474][ T10] netlink_unicast+0x449/0x710 [ 7146.703474][ T10] netlink_sendmsg+0x723/0xbe0 [ 7146.703474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7146.703474][ T10] ___sys_sendmsg+0xee/0x170 [ 7146.703474][ T10] __sys_sendmsg+0xcd/0x170 [ 7146.703474][ T10] do_syscall_64+0xc6/0x1e0 [ 7146.703474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7146.703474][ T10] [ 7146.705606][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7146.705606][ T10] netdev_get_by_index+0x5e/0x80 [ 7146.705606][ T10] fib6_nh_init+0x3d8/0x1580 [ 7146.705606][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7146.705606][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7146.705606][ T10] ipv6_add_addr+0x411/0x2000 [ 7146.705606][ T10] inet6_addr_add+0x30e/0xa40 [ 7146.705606][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7146.705606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7146.705606][ T10] netlink_rcv_skb+0x130/0x360 [ 7146.705606][ T10] netlink_unicast+0x449/0x710 [ 7146.705606][ T10] netlink_sendmsg+0x723/0xbe0 [ 7146.705606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7146.705606][ T10] ___sys_sendmsg+0xee/0x170 [ 7146.705606][ T10] __sys_sendmsg+0xcd/0x170 [ 7146.705606][ T10] do_syscall_64+0xc6/0x1e0 [ 7146.705606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7146.705606][ T10] [ 7146.707850][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7146.707850][ T10] netdev_get_by_index+0x5e/0x80 [ 7146.707850][ T10] fib6_nh_init+0x3d8/0x1580 [ 7146.707850][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7146.707850][ T10] ip6_route_add+0x1c/0x140 [ 7146.707850][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7146.707850][ T10] addrconf_add_dev+0xe2/0x170 [ 7146.707850][ T10] inet6_addr_add+0x12f/0xa40 [ 7146.707850][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7146.707850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7146.707850][ T10] netlink_rcv_skb+0x130/0x360 [ 7146.707850][ T10] netlink_unicast+0x449/0x710 [ 7146.707850][ T10] netlink_sendmsg+0x723/0xbe0 [ 7146.707850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7146.707850][ T10] ___sys_sendmsg+0xee/0x170 [ 7146.707850][ T10] __sys_sendmsg+0xcd/0x170 [ 7146.707850][ T10] do_syscall_64+0xc6/0x1e0 [ 7146.707850][ T10] [ 7146.710070][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7146.710070][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7146.710070][ T10] ipv6_find_idev+0x102/0x170 [ 7146.710070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7146.710070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7146.710070][ T10] netlink_rcv_skb+0x130/0x360 [ 7146.710070][ T10] netlink_unicast+0x449/0x710 [ 7146.710070][ T10] netlink_sendmsg+0x723/0xbe0 [ 7146.710070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7146.710070][ T10] ___sys_sendmsg+0xee/0x170 [ 7146.710070][ T10] __sys_sendmsg+0xcd/0x170 [ 7146.710070][ T10] do_syscall_64+0xc6/0x1e0 [ 7146.710070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7146.710070][ T10] [ 7146.711802][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7146.711802][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7146.711802][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7146.711802][ T10] ipv6_find_idev+0x102/0x170 [ 7146.711802][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7146.711802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7146.711802][ T10] netlink_rcv_skb+0x130/0x360 [ 7146.711802][ T10] netlink_unicast+0x449/0x710 [ 7146.711802][ T10] netlink_sendmsg+0x723/0xbe0 [ 7146.711802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7146.711802][ T10] ___sys_sendmsg+0xee/0x170 [ 7146.711802][ T10] __sys_sendmsg+0xcd/0x170 [ 7146.711802][ T10] do_syscall_64+0xc6/0x1e0 [ 7146.711802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7146.711802][ T10] [ 7152.089107][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7152.089649][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7152.089649][ T1167] dst_init+0x84/0x4a0 [ 7152.089649][ T1167] dst_alloc+0x97/0x150 [ 7152.089649][ T1167] ip6_dst_alloc+0x23/0x90 [ 7152.089649][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7152.089649][ T1167] ip6_pol_route+0x56f/0x840 [ 7152.089649][ T1167] fib6_rule_lookup+0x334/0x630 [ 7152.089649][ T1167] ip6_route_output_flags+0x259/0x480 [ 7152.089649][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7152.089649][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7152.089649][ T1167] netlink_rcv_skb+0x130/0x360 [ 7152.089649][ T1167] netlink_unicast+0x449/0x710 [ 7152.089649][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7152.089649][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7152.089649][ T1167] ___sys_sendmsg+0xee/0x170 [ 7152.089649][ T1167] __sys_sendmsg+0xcd/0x170 [ 7152.089649][ T1167] do_syscall_64+0xc6/0x1e0 [ 7152.089649][ T1167] [ 7152.092122][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7152.092122][ T1167] netdev_get_by_index+0x5e/0x80 [ 7152.092122][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7152.092122][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7152.092122][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7152.092122][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7152.092122][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7152.092122][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7152.092122][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7152.092122][ T1167] addrconf_dad_begin+0x310/0x670 [ 7152.092122][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7152.092122][ T1167] process_one_work+0x84d/0x18a0 [ 7152.092122][ T1167] worker_thread+0x587/0xd30 [ 7152.092122][ T1167] kthread+0x28a/0x350 [ 7152.092122][ T1167] ret_from_fork+0x31/0x70 [ 7152.092122][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7152.092122][ T1167] [ 7152.094534][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7152.094534][ T1167] netdev_get_by_index+0x5e/0x80 [ 7152.094534][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7152.094534][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7152.094534][ T1167] ip6_route_add+0x1c/0x140 [ 7152.094534][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7152.094534][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7152.094534][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7152.094534][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7152.094534][ T1167] netlink_rcv_skb+0x130/0x360 [ 7152.094534][ T1167] netlink_unicast+0x449/0x710 [ 7152.094534][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7152.094534][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7152.094534][ T1167] ___sys_sendmsg+0xee/0x170 [ 7152.094534][ T1167] __sys_sendmsg+0xcd/0x170 [ 7152.094534][ T1167] do_syscall_64+0xc6/0x1e0 [ 7152.094534][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7152.094534][ T1167] [ 7152.097041][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7152.097041][ T1167] netdev_get_by_index+0x5e/0x80 [ 7152.097041][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7152.097041][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7152.097041][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7152.097041][ T1167] ipv6_add_addr+0x411/0x2000 [ 7152.097041][ T1167] inet6_addr_add+0x30e/0xa40 [ 7152.097041][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7152.097041][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7152.097041][ T1167] netlink_rcv_skb+0x130/0x360 [ 7152.097041][ T1167] netlink_unicast+0x449/0x710 [ 7152.097041][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7152.097041][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7152.097041][ T1167] ___sys_sendmsg+0xee/0x170 [ 7152.097041][ T1167] __sys_sendmsg+0xcd/0x170 [ 7152.097041][ T1167] do_syscall_64+0xc6/0x1e0 [ 7152.097041][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7152.097041][ T1167] [ 7152.099557][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7152.099557][ T1167] netdev_get_by_index+0x5e/0x80 [ 7152.099557][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7152.099557][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7152.099557][ T1167] ip6_route_add+0x1c/0x140 [ 7152.099557][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7152.099557][ T1167] addrconf_add_dev+0xe2/0x170 [ 7152.099557][ T1167] inet6_addr_add+0x12f/0xa40 [ 7152.099557][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7152.099557][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7152.099557][ T1167] netlink_rcv_skb+0x130/0x360 [ 7152.099557][ T1167] netlink_unicast+0x449/0x710 [ 7152.099557][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7152.099557][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7152.099557][ T1167] ___sys_sendmsg+0xee/0x170 [ 7152.099557][ T1167] __sys_sendmsg+0xcd/0x170 [ 7152.099557][ T1167] do_syscall_64+0xc6/0x1e0 [ 7152.099557][ T1167] [ 7152.102032][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7152.102032][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7152.102032][ T1167] ipv6_find_idev+0x102/0x170 [ 7152.102032][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7152.102032][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7152.102032][ T1167] netlink_rcv_skb+0x130/0x360 [ 7152.102032][ T1167] netlink_unicast+0x449/0x710 [ 7152.102032][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7152.102032][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7152.102032][ T1167] ___sys_sendmsg+0xee/0x170 [ 7152.102032][ T1167] __sys_sendmsg+0xcd/0x170 [ 7152.102032][ T1167] do_syscall_64+0xc6/0x1e0 [ 7152.102032][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7152.102032][ T1167] [ 7152.103986][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7152.103986][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7152.103986][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7152.103986][ T1167] ipv6_find_idev+0x102/0x170 [ 7152.103986][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7152.103986][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7152.103986][ T1167] netlink_rcv_skb+0x130/0x360 [ 7152.103986][ T1167] netlink_unicast+0x449/0x710 [ 7152.103986][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7152.103986][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7152.103986][ T1167] ___sys_sendmsg+0xee/0x170 [ 7152.103986][ T1167] __sys_sendmsg+0xcd/0x170 [ 7152.103986][ T1167] do_syscall_64+0xc6/0x1e0 [ 7152.103986][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7152.103986][ T1167] [ 7156.897111][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7156.897526][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7156.897526][ T10] netdev_get_by_index+0x5e/0x80 [ 7156.897526][ T10] fib6_nh_init+0x3d8/0x1580 [ 7156.897526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7156.897526][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7156.897526][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7156.897526][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7156.897526][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7156.897526][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7156.897526][ T10] addrconf_dad_begin+0x310/0x670 [ 7156.897526][ T10] addrconf_dad_work+0x10b/0xab0 [ 7156.897526][ T10] process_one_work+0x84d/0x18a0 [ 7156.897526][ T10] worker_thread+0x587/0xd30 [ 7156.897526][ T10] kthread+0x28a/0x350 [ 7156.897526][ T10] ret_from_fork+0x31/0x70 [ 7156.897526][ T10] ret_from_fork_asm+0x1a/0x30 [ 7156.897526][ T10] [ 7156.899493][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7156.899493][ T10] netdev_get_by_index+0x5e/0x80 [ 7156.899493][ T10] fib6_nh_init+0x3d8/0x1580 [ 7156.899493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7156.899493][ T10] ip6_route_add+0x1c/0x140 [ 7156.899493][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7156.899493][ T10] inet6_addr_add+0x4f8/0xa40 [ 7156.899493][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7156.899493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7156.899493][ T10] netlink_rcv_skb+0x130/0x360 [ 7156.899493][ T10] netlink_unicast+0x449/0x710 [ 7156.899493][ T10] netlink_sendmsg+0x723/0xbe0 [ 7156.899493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7156.899493][ T10] ___sys_sendmsg+0xee/0x170 [ 7156.899493][ T10] __sys_sendmsg+0xcd/0x170 [ 7156.899493][ T10] do_syscall_64+0xc6/0x1e0 [ 7156.899493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7156.899493][ T10] [ 7156.901511][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7156.901511][ T10] netdev_get_by_index+0x5e/0x80 [ 7156.901511][ T10] fib6_nh_init+0x3d8/0x1580 [ 7156.901511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7156.901511][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7156.901511][ T10] ipv6_add_addr+0x411/0x2000 [ 7156.901511][ T10] inet6_addr_add+0x30e/0xa40 [ 7156.901511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7156.901511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7156.901511][ T10] netlink_rcv_skb+0x130/0x360 [ 7156.901511][ T10] netlink_unicast+0x449/0x710 [ 7156.901511][ T10] netlink_sendmsg+0x723/0xbe0 [ 7156.901511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7156.901511][ T10] ___sys_sendmsg+0xee/0x170 [ 7156.901511][ T10] __sys_sendmsg+0xcd/0x170 [ 7156.901511][ T10] do_syscall_64+0xc6/0x1e0 [ 7156.901511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7156.901511][ T10] [ 7156.903525][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7156.903525][ T10] netdev_get_by_index+0x5e/0x80 [ 7156.903525][ T10] fib6_nh_init+0x3d8/0x1580 [ 7156.903525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7156.903525][ T10] ip6_route_add+0x1c/0x140 [ 7156.903525][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7156.903525][ T10] addrconf_add_dev+0xe2/0x170 [ 7156.903525][ T10] inet6_addr_add+0x12f/0xa40 [ 7156.903525][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7156.903525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7156.903525][ T10] netlink_rcv_skb+0x130/0x360 [ 7156.903525][ T10] netlink_unicast+0x449/0x710 [ 7156.903525][ T10] netlink_sendmsg+0x723/0xbe0 [ 7156.903525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7156.903525][ T10] ___sys_sendmsg+0xee/0x170 [ 7156.903525][ T10] __sys_sendmsg+0xcd/0x170 [ 7156.903525][ T10] do_syscall_64+0xc6/0x1e0 [ 7156.903525][ T10] [ 7156.905517][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7156.905517][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7156.905517][ T10] ipv6_find_idev+0x102/0x170 [ 7156.905517][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7156.905517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7156.905517][ T10] netlink_rcv_skb+0x130/0x360 [ 7156.905517][ T10] netlink_unicast+0x449/0x710 [ 7156.905517][ T10] netlink_sendmsg+0x723/0xbe0 [ 7156.905517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7156.905517][ T10] ___sys_sendmsg+0xee/0x170 [ 7156.905517][ T10] __sys_sendmsg+0xcd/0x170 [ 7156.905517][ T10] do_syscall_64+0xc6/0x1e0 [ 7156.905517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7156.905517][ T10] [ 7156.907057][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7156.907057][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7156.907057][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7156.907057][ T10] ipv6_find_idev+0x102/0x170 [ 7156.907057][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7156.907057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7156.907057][ T10] netlink_rcv_skb+0x130/0x360 [ 7156.907057][ T10] netlink_unicast+0x449/0x710 [ 7156.907057][ T10] netlink_sendmsg+0x723/0xbe0 [ 7156.907057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7156.907057][ T10] ___sys_sendmsg+0xee/0x170 [ 7156.907057][ T10] __sys_sendmsg+0xcd/0x170 [ 7156.907057][ T10] do_syscall_64+0xc6/0x1e0 [ 7156.907057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7156.907057][ T10] [ 7156.908755][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7156.909003][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7156.909003][ T10] netdev_get_by_index+0x5e/0x80 [ 7156.909003][ T10] fib6_nh_init+0x3d8/0x1580 [ 7156.909003][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7156.909003][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7156.909003][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7156.909003][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7156.909003][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7156.909003][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7156.909003][ T10] addrconf_dad_begin+0x310/0x670 [ 7156.909003][ T10] addrconf_dad_work+0x10b/0xab0 [ 7156.909003][ T10] process_one_work+0x84d/0x18a0 [ 7156.909003][ T10] worker_thread+0x587/0xd30 [ 7156.909003][ T10] kthread+0x28a/0x350 [ 7156.909003][ T10] ret_from_fork+0x31/0x70 [ 7156.909003][ T10] ret_from_fork_asm+0x1a/0x30 [ 7156.909003][ T10] [ 7156.910924][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7156.910924][ T10] netdev_get_by_index+0x5e/0x80 [ 7156.910924][ T10] fib6_nh_init+0x3d8/0x1580 [ 7156.910924][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7156.910924][ T10] ip6_route_add+0x1c/0x140 [ 7156.910924][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7156.910924][ T10] inet6_addr_add+0x4f8/0xa40 [ 7156.910924][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7156.910924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7156.910924][ T10] netlink_rcv_skb+0x130/0x360 [ 7156.910924][ T10] netlink_unicast+0x449/0x710 [ 7156.910924][ T10] netlink_sendmsg+0x723/0xbe0 [ 7156.910924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7156.910924][ T10] ___sys_sendmsg+0xee/0x170 [ 7156.910924][ T10] __sys_sendmsg+0xcd/0x170 [ 7156.910924][ T10] do_syscall_64+0xc6/0x1e0 [ 7156.910924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7156.910924][ T10] [ 7156.912936][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7156.912936][ T10] netdev_get_by_index+0x5e/0x80 [ 7156.912936][ T10] fib6_nh_init+0x3d8/0x1580 [ 7156.912936][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7156.912936][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7156.912936][ T10] ipv6_add_addr+0x411/0x2000 [ 7156.912936][ T10] inet6_addr_add+0x30e/0xa40 [ 7156.912936][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7156.912936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7156.912936][ T10] netlink_rcv_skb+0x130/0x360 [ 7156.912936][ T10] netlink_unicast+0x449/0x710 [ 7156.912936][ T10] netlink_sendmsg+0x723/0xbe0 [ 7156.912936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7156.912936][ T10] ___sys_sendmsg+0xee/0x170 [ 7156.912936][ T10] __sys_sendmsg+0xcd/0x170 [ 7156.912936][ T10] do_syscall_64+0xc6/0x1e0 [ 7156.912936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7156.912936][ T10] [ 7156.914949][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7156.914949][ T10] netdev_get_by_index+0x5e/0x80 [ 7156.914949][ T10] fib6_nh_init+0x3d8/0x1580 [ 7156.914949][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7156.914949][ T10] ip6_route_add+0x1c/0x140 [ 7156.914949][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7156.914949][ T10] addrconf_add_dev+0xe2/0x170 [ 7156.914949][ T10] inet6_addr_add+0x12f/0xa40 [ 7156.914949][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7156.914949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7156.914949][ T10] netlink_rcv_skb+0x130/0x360 [ 7156.914949][ T10] netlink_unicast+0x449/0x710 [ 7156.914949][ T10] netlink_sendmsg+0x723/0xbe0 [ 7156.914949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7156.914949][ T10] ___sys_sendmsg+0xee/0x170 [ 7156.914949][ T10] __sys_sendmsg+0xcd/0x170 [ 7156.914949][ T10] do_syscall_64+0xc6/0x1e0 [ 7156.914949][ T10] [ 7156.916918][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7156.916918][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7156.916918][ T10] ipv6_find_idev+0x102/0x170 [ 7156.916918][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7156.916918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7156.916918][ T10] netlink_rcv_skb+0x130/0x360 [ 7156.916918][ T10] netlink_unicast+0x449/0x710 [ 7156.916918][ T10] netlink_sendmsg+0x723/0xbe0 [ 7156.916918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7156.916918][ T10] ___sys_sendmsg+0xee/0x170 [ 7156.916918][ T10] __sys_sendmsg+0xcd/0x170 [ 7156.916918][ T10] do_syscall_64+0xc6/0x1e0 [ 7156.916918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7156.916918][ T10] [ 7156.918468][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7156.918468][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7156.918468][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7156.918468][ T10] ipv6_find_idev+0x102/0x170 [ 7156.918468][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7156.918468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7156.918468][ T10] netlink_rcv_skb+0x130/0x360 [ 7156.918468][ T10] netlink_unicast+0x449/0x710 [ 7156.918468][ T10] netlink_sendmsg+0x723/0xbe0 [ 7156.918468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7156.918468][ T10] ___sys_sendmsg+0xee/0x170 [ 7156.918468][ T10] __sys_sendmsg+0xcd/0x170 [ 7156.918468][ T10] do_syscall_64+0xc6/0x1e0 [ 7156.918468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7156.918468][ T10] [ 7156.920177][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7156.920420][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7156.920420][ T10] netdev_get_by_index+0x5e/0x80 [ 7156.920420][ T10] fib6_nh_init+0x3d8/0x1580 [ 7156.920420][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7156.920420][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7156.920420][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7156.920420][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7156.920420][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7156.920420][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7156.920420][ T10] addrconf_dad_begin+0x310/0x670 [ 7156.920420][ T10] addrconf_dad_work+0x10b/0xab0 [ 7156.920420][ T10] process_one_work+0x84d/0x18a0 [ 7156.920420][ T10] worker_thread+0x587/0xd30 [ 7156.920420][ T10] kthread+0x28a/0x350 [ 7156.920420][ T10] ret_from_fork+0x31/0x70 [ 7156.920420][ T10] ret_from_fork_asm+0x1a/0x30 [ 7156.920420][ T10] [ 7156.922338][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7156.922338][ T10] netdev_get_by_index+0x5e/0x80 [ 7156.922338][ T10] fib6_nh_init+0x3d8/0x1580 [ 7156.922338][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7156.922338][ T10] ip6_route_add+0x1c/0x140 [ 7156.922338][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7156.922338][ T10] inet6_addr_add+0x4f8/0xa40 [ 7156.922338][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7156.922338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7156.922338][ T10] netlink_rcv_skb+0x130/0x360 [ 7156.922338][ T10] netlink_unicast+0x449/0x710 [ 7156.922338][ T10] netlink_sendmsg+0x723/0xbe0 [ 7156.922338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7156.922338][ T10] ___sys_sendmsg+0xee/0x170 [ 7156.922338][ T10] __sys_sendmsg+0xcd/0x170 [ 7156.922338][ T10] do_syscall_64+0xc6/0x1e0 [ 7156.922338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7156.922338][ T10] [ 7156.924486][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7156.924486][ T10] netdev_get_by_index+0x5e/0x80 [ 7156.924486][ T10] fib6_nh_init+0x3d8/0x1580 [ 7156.924486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7156.924486][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7156.924486][ T10] ipv6_add_addr+0x411/0x2000 [ 7156.924486][ T10] inet6_addr_add+0x30e/0xa40 [ 7156.924486][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7156.924486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7156.924486][ T10] netlink_rcv_skb+0x130/0x360 [ 7156.924486][ T10] netlink_unicast+0x449/0x710 [ 7156.924486][ T10] netlink_sendmsg+0x723/0xbe0 [ 7156.924486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7156.924486][ T10] ___sys_sendmsg+0xee/0x170 [ 7156.924486][ T10] __sys_sendmsg+0xcd/0x170 [ 7156.924486][ T10] do_syscall_64+0xc6/0x1e0 [ 7156.924486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7156.924486][ T10] [ 7156.926797][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7156.926797][ T10] netdev_get_by_index+0x5e/0x80 [ 7156.926797][ T10] fib6_nh_init+0x3d8/0x1580 [ 7156.926797][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7156.926797][ T10] ip6_route_add+0x1c/0x140 [ 7156.926797][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7156.926797][ T10] addrconf_add_dev+0xe2/0x170 [ 7156.926797][ T10] inet6_addr_add+0x12f/0xa40 [ 7156.926797][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7156.926797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7156.926797][ T10] netlink_rcv_skb+0x130/0x360 [ 7156.926797][ T10] netlink_unicast+0x449/0x710 [ 7156.926797][ T10] netlink_sendmsg+0x723/0xbe0 [ 7156.926797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7156.926797][ T10] ___sys_sendmsg+0xee/0x170 [ 7156.926797][ T10] __sys_sendmsg+0xcd/0x170 [ 7156.926797][ T10] do_syscall_64+0xc6/0x1e0 [ 7156.926797][ T10] [ 7156.929011][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7156.929011][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7156.929011][ T10] ipv6_find_idev+0x102/0x170 [ 7156.929011][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7156.929011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7156.929011][ T10] netlink_rcv_skb+0x130/0x360 [ 7156.929011][ T10] netlink_unicast+0x449/0x710 [ 7156.929011][ T10] netlink_sendmsg+0x723/0xbe0 [ 7156.929011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7156.929011][ T10] ___sys_sendmsg+0xee/0x170 [ 7156.929011][ T10] __sys_sendmsg+0xcd/0x170 [ 7156.929011][ T10] do_syscall_64+0xc6/0x1e0 [ 7156.929011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7156.929011][ T10] [ 7156.930734][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7156.930734][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7156.930734][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7156.930734][ T10] ipv6_find_idev+0x102/0x170 [ 7156.930734][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7156.930734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7156.930734][ T10] netlink_rcv_skb+0x130/0x360 [ 7156.930734][ T10] netlink_unicast+0x449/0x710 [ 7156.930734][ T10] netlink_sendmsg+0x723/0xbe0 [ 7156.930734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7156.930734][ T10] ___sys_sendmsg+0xee/0x170 [ 7156.930734][ T10] __sys_sendmsg+0xcd/0x170 [ 7156.930734][ T10] do_syscall_64+0xc6/0x1e0 [ 7156.930734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7156.930734][ T10] [ 7156.932565][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7156.932861][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7156.932861][ T10] netdev_get_by_index+0x5e/0x80 [ 7156.932861][ T10] fib6_nh_init+0x3d8/0x1580 [ 7156.932861][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7156.932861][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7156.932861][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7156.932861][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7156.932861][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7156.932861][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7156.932861][ T10] addrconf_dad_begin+0x310/0x670 [ 7156.932861][ T10] addrconf_dad_work+0x10b/0xab0 [ 7156.932861][ T10] process_one_work+0x84d/0x18a0 [ 7156.932861][ T10] worker_thread+0x587/0xd30 [ 7156.932861][ T10] kthread+0x28a/0x350 [ 7156.932861][ T10] ret_from_fork+0x31/0x70 [ 7156.932861][ T10] ret_from_fork_asm+0x1a/0x30 [ 7156.932861][ T10] [ 7156.935026][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7156.935026][ T10] netdev_get_by_index+0x5e/0x80 [ 7156.935026][ T10] fib6_nh_init+0x3d8/0x1580 [ 7156.935026][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7156.935026][ T10] ip6_route_add+0x1c/0x140 [ 7156.935026][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7156.935026][ T10] inet6_addr_add+0x4f8/0xa40 [ 7156.935026][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7156.935026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7156.935026][ T10] netlink_rcv_skb+0x130/0x360 [ 7156.935026][ T10] netlink_unicast+0x449/0x710 [ 7156.935026][ T10] netlink_sendmsg+0x723/0xbe0 [ 7156.935026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7156.935026][ T10] ___sys_sendmsg+0xee/0x170 [ 7156.935026][ T10] __sys_sendmsg+0xcd/0x170 [ 7156.935026][ T10] do_syscall_64+0xc6/0x1e0 [ 7156.935026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7156.935026][ T10] [ 7156.937276][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7156.937276][ T10] netdev_get_by_index+0x5e/0x80 [ 7156.937276][ T10] fib6_nh_init+0x3d8/0x1580 [ 7156.937276][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7156.937276][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7156.937276][ T10] ipv6_add_addr+0x411/0x2000 [ 7156.937276][ T10] inet6_addr_add+0x30e/0xa40 [ 7156.937276][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7156.937276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7156.937276][ T10] netlink_rcv_skb+0x130/0x360 [ 7156.937276][ T10] netlink_unicast+0x449/0x710 [ 7156.937276][ T10] netlink_sendmsg+0x723/0xbe0 [ 7156.937276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7156.937276][ T10] ___sys_sendmsg+0xee/0x170 [ 7156.937276][ T10] __sys_sendmsg+0xcd/0x170 [ 7156.937276][ T10] do_syscall_64+0xc6/0x1e0 [ 7156.937276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7156.937276][ T10] [ 7156.939522][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7156.939522][ T10] netdev_get_by_index+0x5e/0x80 [ 7156.939522][ T10] fib6_nh_init+0x3d8/0x1580 [ 7156.939522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7156.939522][ T10] ip6_route_add+0x1c/0x140 [ 7156.939522][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7156.939522][ T10] addrconf_add_dev+0xe2/0x170 [ 7156.939522][ T10] inet6_addr_add+0x12f/0xa40 [ 7156.939522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7156.939522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7156.939522][ T10] netlink_rcv_skb+0x130/0x360 [ 7156.939522][ T10] netlink_unicast+0x449/0x710 [ 7156.939522][ T10] netlink_sendmsg+0x723/0xbe0 [ 7156.939522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7156.939522][ T10] ___sys_sendmsg+0xee/0x170 [ 7156.939522][ T10] __sys_sendmsg+0xcd/0x170 [ 7156.939522][ T10] do_syscall_64+0xc6/0x1e0 [ 7156.939522][ T10] [ 7156.941730][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7156.941730][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7156.941730][ T10] ipv6_find_idev+0x102/0x170 [ 7156.941730][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7156.941730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7156.941730][ T10] netlink_rcv_skb+0x130/0x360 [ 7156.941730][ T10] netlink_unicast+0x449/0x710 [ 7156.941730][ T10] netlink_sendmsg+0x723/0xbe0 [ 7156.941730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7156.941730][ T10] ___sys_sendmsg+0xee/0x170 [ 7156.941730][ T10] __sys_sendmsg+0xcd/0x170 [ 7156.941730][ T10] do_syscall_64+0xc6/0x1e0 [ 7156.941730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7156.941730][ T10] [ 7156.943513][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7156.943513][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7156.943513][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7156.943513][ T10] ipv6_find_idev+0x102/0x170 [ 7156.943513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7156.943513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7156.943513][ T10] netlink_rcv_skb+0x130/0x360 [ 7156.943513][ T10] netlink_unicast+0x449/0x710 [ 7156.943513][ T10] netlink_sendmsg+0x723/0xbe0 [ 7156.943513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7156.943513][ T10] ___sys_sendmsg+0xee/0x170 [ 7156.943513][ T10] __sys_sendmsg+0xcd/0x170 [ 7156.943513][ T10] do_syscall_64+0xc6/0x1e0 [ 7156.943513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7156.943513][ T10] [ 7162.273113][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7162.273644][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7162.273644][ T1167] dst_init+0x84/0x4a0 [ 7162.273644][ T1167] dst_alloc+0x97/0x150 [ 7162.273644][ T1167] ip6_dst_alloc+0x23/0x90 [ 7162.273644][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7162.273644][ T1167] ip6_pol_route+0x56f/0x840 [ 7162.273644][ T1167] fib6_rule_lookup+0x334/0x630 [ 7162.273644][ T1167] ip6_route_output_flags+0x259/0x480 [ 7162.273644][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7162.273644][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7162.273644][ T1167] netlink_rcv_skb+0x130/0x360 [ 7162.273644][ T1167] netlink_unicast+0x449/0x710 [ 7162.273644][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7162.273644][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7162.273644][ T1167] ___sys_sendmsg+0xee/0x170 [ 7162.273644][ T1167] __sys_sendmsg+0xcd/0x170 [ 7162.273644][ T1167] do_syscall_64+0xc6/0x1e0 [ 7162.273644][ T1167] [ 7162.276119][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7162.276119][ T1167] netdev_get_by_index+0x5e/0x80 [ 7162.276119][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7162.276119][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7162.276119][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7162.276119][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7162.276119][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7162.276119][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7162.276119][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7162.276119][ T1167] addrconf_dad_begin+0x310/0x670 [ 7162.276119][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7162.276119][ T1167] process_one_work+0x84d/0x18a0 [ 7162.276119][ T1167] worker_thread+0x587/0xd30 [ 7162.276119][ T1167] kthread+0x28a/0x350 [ 7162.276119][ T1167] ret_from_fork+0x31/0x70 [ 7162.276119][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7162.276119][ T1167] [ 7162.278516][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7162.278516][ T1167] netdev_get_by_index+0x5e/0x80 [ 7162.278516][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7162.278516][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7162.278516][ T1167] ip6_route_add+0x1c/0x140 [ 7162.278516][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7162.278516][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7162.278516][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7162.278516][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7162.278516][ T1167] netlink_rcv_skb+0x130/0x360 [ 7162.278516][ T1167] netlink_unicast+0x449/0x710 [ 7162.278516][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7162.278516][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7162.278516][ T1167] ___sys_sendmsg+0xee/0x170 [ 7162.278516][ T1167] __sys_sendmsg+0xcd/0x170 [ 7162.278516][ T1167] do_syscall_64+0xc6/0x1e0 [ 7162.278516][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7162.278516][ T1167] [ 7162.281043][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7162.281043][ T1167] netdev_get_by_index+0x5e/0x80 [ 7162.281043][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7162.281043][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7162.281043][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7162.281043][ T1167] ipv6_add_addr+0x411/0x2000 [ 7162.281043][ T1167] inet6_addr_add+0x30e/0xa40 [ 7162.281043][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7162.281043][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7162.281043][ T1167] netlink_rcv_skb+0x130/0x360 [ 7162.281043][ T1167] netlink_unicast+0x449/0x710 [ 7162.281043][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7162.281043][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7162.281043][ T1167] ___sys_sendmsg+0xee/0x170 [ 7162.281043][ T1167] __sys_sendmsg+0xcd/0x170 [ 7162.281043][ T1167] do_syscall_64+0xc6/0x1e0 [ 7162.281043][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7162.281043][ T1167] [ 7162.283580][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7162.283580][ T1167] netdev_get_by_index+0x5e/0x80 [ 7162.283580][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7162.283580][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7162.283580][ T1167] ip6_route_add+0x1c/0x140 [ 7162.283580][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7162.283580][ T1167] addrconf_add_dev+0xe2/0x170 [ 7162.283580][ T1167] inet6_addr_add+0x12f/0xa40 [ 7162.283580][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7162.283580][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7162.283580][ T1167] netlink_rcv_skb+0x130/0x360 [ 7162.283580][ T1167] netlink_unicast+0x449/0x710 [ 7162.283580][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7162.283580][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7162.283580][ T1167] ___sys_sendmsg+0xee/0x170 [ 7162.283580][ T1167] __sys_sendmsg+0xcd/0x170 [ 7162.283580][ T1167] do_syscall_64+0xc6/0x1e0 [ 7162.283580][ T1167] [ 7162.286079][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7162.286079][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7162.286079][ T1167] ipv6_find_idev+0x102/0x170 [ 7162.286079][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7162.286079][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7162.286079][ T1167] netlink_rcv_skb+0x130/0x360 [ 7162.286079][ T1167] netlink_unicast+0x449/0x710 [ 7162.286079][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7162.286079][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7162.286079][ T1167] ___sys_sendmsg+0xee/0x170 [ 7162.286079][ T1167] __sys_sendmsg+0xcd/0x170 [ 7162.286079][ T1167] do_syscall_64+0xc6/0x1e0 [ 7162.286079][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7162.286079][ T1167] [ 7162.288019][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7162.288019][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7162.288019][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7162.288019][ T1167] ipv6_find_idev+0x102/0x170 [ 7162.288019][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7162.288019][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7162.288019][ T1167] netlink_rcv_skb+0x130/0x360 [ 7162.288019][ T1167] netlink_unicast+0x449/0x710 [ 7162.288019][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7162.288019][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7162.288019][ T1167] ___sys_sendmsg+0xee/0x170 [ 7162.288019][ T1167] __sys_sendmsg+0xcd/0x170 [ 7162.288019][ T1167] do_syscall_64+0xc6/0x1e0 [ 7162.288019][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7162.288019][ T1167] [ 7167.201118][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7167.201528][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7167.201528][ T10] netdev_get_by_index+0x5e/0x80 [ 7167.201528][ T10] fib6_nh_init+0x3d8/0x1580 [ 7167.201528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7167.201528][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7167.201528][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7167.201528][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7167.201528][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7167.201528][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7167.201528][ T10] addrconf_dad_begin+0x310/0x670 [ 7167.201528][ T10] addrconf_dad_work+0x10b/0xab0 [ 7167.201528][ T10] process_one_work+0x84d/0x18a0 [ 7167.201528][ T10] worker_thread+0x587/0xd30 [ 7167.201528][ T10] kthread+0x28a/0x350 [ 7167.201528][ T10] ret_from_fork+0x31/0x70 [ 7167.201528][ T10] ret_from_fork_asm+0x1a/0x30 [ 7167.201528][ T10] [ 7167.203496][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7167.203496][ T10] netdev_get_by_index+0x5e/0x80 [ 7167.203496][ T10] fib6_nh_init+0x3d8/0x1580 [ 7167.203496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7167.203496][ T10] ip6_route_add+0x1c/0x140 [ 7167.203496][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7167.203496][ T10] inet6_addr_add+0x4f8/0xa40 [ 7167.203496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7167.203496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7167.203496][ T10] netlink_rcv_skb+0x130/0x360 [ 7167.203496][ T10] netlink_unicast+0x449/0x710 [ 7167.203496][ T10] netlink_sendmsg+0x723/0xbe0 [ 7167.203496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7167.203496][ T10] ___sys_sendmsg+0xee/0x170 [ 7167.203496][ T10] __sys_sendmsg+0xcd/0x170 [ 7167.203496][ T10] do_syscall_64+0xc6/0x1e0 [ 7167.203496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7167.203496][ T10] [ 7167.205535][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7167.205535][ T10] netdev_get_by_index+0x5e/0x80 [ 7167.205535][ T10] fib6_nh_init+0x3d8/0x1580 [ 7167.205535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7167.205535][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7167.205535][ T10] ipv6_add_addr+0x411/0x2000 [ 7167.205535][ T10] inet6_addr_add+0x30e/0xa40 [ 7167.205535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7167.205535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7167.205535][ T10] netlink_rcv_skb+0x130/0x360 [ 7167.205535][ T10] netlink_unicast+0x449/0x710 [ 7167.205535][ T10] netlink_sendmsg+0x723/0xbe0 [ 7167.205535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7167.205535][ T10] ___sys_sendmsg+0xee/0x170 [ 7167.205535][ T10] __sys_sendmsg+0xcd/0x170 [ 7167.205535][ T10] do_syscall_64+0xc6/0x1e0 [ 7167.205535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7167.205535][ T10] [ 7167.207558][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7167.207558][ T10] netdev_get_by_index+0x5e/0x80 [ 7167.207558][ T10] fib6_nh_init+0x3d8/0x1580 [ 7167.207558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7167.207558][ T10] ip6_route_add+0x1c/0x140 [ 7167.207558][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7167.207558][ T10] addrconf_add_dev+0xe2/0x170 [ 7167.207558][ T10] inet6_addr_add+0x12f/0xa40 [ 7167.207558][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7167.207558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7167.207558][ T10] netlink_rcv_skb+0x130/0x360 [ 7167.207558][ T10] netlink_unicast+0x449/0x710 [ 7167.207558][ T10] netlink_sendmsg+0x723/0xbe0 [ 7167.207558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7167.207558][ T10] ___sys_sendmsg+0xee/0x170 [ 7167.207558][ T10] __sys_sendmsg+0xcd/0x170 [ 7167.207558][ T10] do_syscall_64+0xc6/0x1e0 [ 7167.207558][ T10] [ 7167.209544][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7167.209544][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7167.209544][ T10] ipv6_find_idev+0x102/0x170 [ 7167.209544][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7167.209544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7167.209544][ T10] netlink_rcv_skb+0x130/0x360 [ 7167.209544][ T10] netlink_unicast+0x449/0x710 [ 7167.209544][ T10] netlink_sendmsg+0x723/0xbe0 [ 7167.209544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7167.209544][ T10] ___sys_sendmsg+0xee/0x170 [ 7167.209544][ T10] __sys_sendmsg+0xcd/0x170 [ 7167.209544][ T10] do_syscall_64+0xc6/0x1e0 [ 7167.209544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7167.209544][ T10] [ 7167.211097][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7167.211097][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7167.211097][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7167.211097][ T10] ipv6_find_idev+0x102/0x170 [ 7167.211097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7167.211097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7167.211097][ T10] netlink_rcv_skb+0x130/0x360 [ 7167.211097][ T10] netlink_unicast+0x449/0x710 [ 7167.211097][ T10] netlink_sendmsg+0x723/0xbe0 [ 7167.211097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7167.211097][ T10] ___sys_sendmsg+0xee/0x170 [ 7167.211097][ T10] __sys_sendmsg+0xcd/0x170 [ 7167.211097][ T10] do_syscall_64+0xc6/0x1e0 [ 7167.211097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7167.211097][ T10] [ 7167.212806][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7167.213065][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7167.213065][ T10] netdev_get_by_index+0x5e/0x80 [ 7167.213065][ T10] fib6_nh_init+0x3d8/0x1580 [ 7167.213065][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7167.213065][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7167.213065][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7167.213065][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7167.213065][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7167.213065][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7167.213065][ T10] addrconf_dad_begin+0x310/0x670 [ 7167.213065][ T10] addrconf_dad_work+0x10b/0xab0 [ 7167.213065][ T10] process_one_work+0x84d/0x18a0 [ 7167.213065][ T10] worker_thread+0x587/0xd30 [ 7167.213065][ T10] kthread+0x28a/0x350 [ 7167.213065][ T10] ret_from_fork+0x31/0x70 [ 7167.213065][ T10] ret_from_fork_asm+0x1a/0x30 [ 7167.213065][ T10] [ 7167.214995][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7167.214995][ T10] netdev_get_by_index+0x5e/0x80 [ 7167.214995][ T10] fib6_nh_init+0x3d8/0x1580 [ 7167.214995][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7167.214995][ T10] ip6_route_add+0x1c/0x140 [ 7167.214995][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7167.214995][ T10] inet6_addr_add+0x4f8/0xa40 [ 7167.214995][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7167.214995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7167.214995][ T10] netlink_rcv_skb+0x130/0x360 [ 7167.214995][ T10] netlink_unicast+0x449/0x710 [ 7167.214995][ T10] netlink_sendmsg+0x723/0xbe0 [ 7167.214995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7167.214995][ T10] ___sys_sendmsg+0xee/0x170 [ 7167.214995][ T10] __sys_sendmsg+0xcd/0x170 [ 7167.214995][ T10] do_syscall_64+0xc6/0x1e0 [ 7167.214995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7167.214995][ T10] [ 7167.217027][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7167.217027][ T10] netdev_get_by_index+0x5e/0x80 [ 7167.217027][ T10] fib6_nh_init+0x3d8/0x1580 [ 7167.217027][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7167.217027][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7167.217027][ T10] ipv6_add_addr+0x411/0x2000 [ 7167.217027][ T10] inet6_addr_add+0x30e/0xa40 [ 7167.217027][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7167.217027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7167.217027][ T10] netlink_rcv_skb+0x130/0x360 [ 7167.217027][ T10] netlink_unicast+0x449/0x710 [ 7167.217027][ T10] netlink_sendmsg+0x723/0xbe0 [ 7167.217027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7167.217027][ T10] ___sys_sendmsg+0xee/0x170 [ 7167.217027][ T10] __sys_sendmsg+0xcd/0x170 [ 7167.217027][ T10] do_syscall_64+0xc6/0x1e0 [ 7167.217027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7167.217027][ T10] [ 7167.219037][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7167.219037][ T10] netdev_get_by_index+0x5e/0x80 [ 7167.219037][ T10] fib6_nh_init+0x3d8/0x1580 [ 7167.219037][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7167.219037][ T10] ip6_route_add+0x1c/0x140 [ 7167.219037][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7167.219037][ T10] addrconf_add_dev+0xe2/0x170 [ 7167.219037][ T10] inet6_addr_add+0x12f/0xa40 [ 7167.219037][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7167.219037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7167.219037][ T10] netlink_rcv_skb+0x130/0x360 [ 7167.219037][ T10] netlink_unicast+0x449/0x710 [ 7167.219037][ T10] netlink_sendmsg+0x723/0xbe0 [ 7167.219037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7167.219037][ T10] ___sys_sendmsg+0xee/0x170 [ 7167.219037][ T10] __sys_sendmsg+0xcd/0x170 [ 7167.219037][ T10] do_syscall_64+0xc6/0x1e0 [ 7167.219037][ T10] [ 7167.221010][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7167.221010][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7167.221010][ T10] ipv6_find_idev+0x102/0x170 [ 7167.221010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7167.221010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7167.221010][ T10] netlink_rcv_skb+0x130/0x360 [ 7167.221010][ T10] netlink_unicast+0x449/0x710 [ 7167.221010][ T10] netlink_sendmsg+0x723/0xbe0 [ 7167.221010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7167.221010][ T10] ___sys_sendmsg+0xee/0x170 [ 7167.221010][ T10] __sys_sendmsg+0xcd/0x170 [ 7167.221010][ T10] do_syscall_64+0xc6/0x1e0 [ 7167.221010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7167.221010][ T10] [ 7167.222561][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7167.222561][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7167.222561][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7167.222561][ T10] ipv6_find_idev+0x102/0x170 [ 7167.222561][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7167.222561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7167.222561][ T10] netlink_rcv_skb+0x130/0x360 [ 7167.222561][ T10] netlink_unicast+0x449/0x710 [ 7167.222561][ T10] netlink_sendmsg+0x723/0xbe0 [ 7167.222561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7167.222561][ T10] ___sys_sendmsg+0xee/0x170 [ 7167.222561][ T10] __sys_sendmsg+0xcd/0x170 [ 7167.222561][ T10] do_syscall_64+0xc6/0x1e0 [ 7167.222561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7167.222561][ T10] [ 7167.224262][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7167.224514][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7167.224514][ T10] netdev_get_by_index+0x5e/0x80 [ 7167.224514][ T10] fib6_nh_init+0x3d8/0x1580 [ 7167.224514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7167.224514][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7167.224514][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7167.224514][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7167.224514][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7167.224514][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7167.224514][ T10] addrconf_dad_begin+0x310/0x670 [ 7167.224514][ T10] addrconf_dad_work+0x10b/0xab0 [ 7167.224514][ T10] process_one_work+0x84d/0x18a0 [ 7167.224514][ T10] worker_thread+0x587/0xd30 [ 7167.224514][ T10] kthread+0x28a/0x350 [ 7167.224514][ T10] ret_from_fork+0x31/0x70 [ 7167.224514][ T10] ret_from_fork_asm+0x1a/0x30 [ 7167.224514][ T10] [ 7167.226444][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7167.226444][ T10] netdev_get_by_index+0x5e/0x80 [ 7167.226444][ T10] fib6_nh_init+0x3d8/0x1580 [ 7167.226444][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7167.226444][ T10] ip6_route_add+0x1c/0x140 [ 7167.226444][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7167.226444][ T10] inet6_addr_add+0x4f8/0xa40 [ 7167.226444][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7167.226444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7167.226444][ T10] netlink_rcv_skb+0x130/0x360 [ 7167.226444][ T10] netlink_unicast+0x449/0x710 [ 7167.226444][ T10] netlink_sendmsg+0x723/0xbe0 [ 7167.226444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7167.226444][ T10] ___sys_sendmsg+0xee/0x170 [ 7167.226444][ T10] __sys_sendmsg+0xcd/0x170 [ 7167.226444][ T10] do_syscall_64+0xc6/0x1e0 [ 7167.226444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7167.226444][ T10] [ 7167.228637][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7167.228637][ T10] netdev_get_by_index+0x5e/0x80 [ 7167.228637][ T10] fib6_nh_init+0x3d8/0x1580 [ 7167.228637][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7167.228637][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7167.228637][ T10] ipv6_add_addr+0x411/0x2000 [ 7167.228637][ T10] inet6_addr_add+0x30e/0xa40 [ 7167.228637][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7167.228637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7167.228637][ T10] netlink_rcv_skb+0x130/0x360 [ 7167.228637][ T10] netlink_unicast+0x449/0x710 [ 7167.228637][ T10] netlink_sendmsg+0x723/0xbe0 [ 7167.228637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7167.228637][ T10] ___sys_sendmsg+0xee/0x170 [ 7167.228637][ T10] __sys_sendmsg+0xcd/0x170 [ 7167.228637][ T10] do_syscall_64+0xc6/0x1e0 [ 7167.228637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7167.228637][ T10] [ 7167.230887][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7167.230887][ T10] netdev_get_by_index+0x5e/0x80 [ 7167.230887][ T10] fib6_nh_init+0x3d8/0x1580 [ 7167.230887][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7167.230887][ T10] ip6_route_add+0x1c/0x140 [ 7167.230887][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7167.230887][ T10] addrconf_add_dev+0xe2/0x170 [ 7167.230887][ T10] inet6_addr_add+0x12f/0xa40 [ 7167.230887][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7167.230887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7167.230887][ T10] netlink_rcv_skb+0x130/0x360 [ 7167.230887][ T10] netlink_unicast+0x449/0x710 [ 7167.230887][ T10] netlink_sendmsg+0x723/0xbe0 [ 7167.230887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7167.230887][ T10] ___sys_sendmsg+0xee/0x170 [ 7167.230887][ T10] __sys_sendmsg+0xcd/0x170 [ 7167.230887][ T10] do_syscall_64+0xc6/0x1e0 [ 7167.230887][ T10] [ 7167.233097][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7167.233097][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7167.233097][ T10] ipv6_find_idev+0x102/0x170 [ 7167.233097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7167.233097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7167.233097][ T10] netlink_rcv_skb+0x130/0x360 [ 7167.233097][ T10] netlink_unicast+0x449/0x710 [ 7167.233097][ T10] netlink_sendmsg+0x723/0xbe0 [ 7167.233097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7167.233097][ T10] ___sys_sendmsg+0xee/0x170 [ 7167.233097][ T10] __sys_sendmsg+0xcd/0x170 [ 7167.233097][ T10] do_syscall_64+0xc6/0x1e0 [ 7167.233097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7167.233097][ T10] [ 7167.234830][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7167.234830][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7167.234830][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7167.234830][ T10] ipv6_find_idev+0x102/0x170 [ 7167.234830][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7167.234830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7167.234830][ T10] netlink_rcv_skb+0x130/0x360 [ 7167.234830][ T10] netlink_unicast+0x449/0x710 [ 7167.234830][ T10] netlink_sendmsg+0x723/0xbe0 [ 7167.234830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7167.234830][ T10] ___sys_sendmsg+0xee/0x170 [ 7167.234830][ T10] __sys_sendmsg+0xcd/0x170 [ 7167.234830][ T10] do_syscall_64+0xc6/0x1e0 [ 7167.234830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7167.234830][ T10] [ 7167.236758][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7167.237496][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7167.237496][ T10] netdev_get_by_index+0x5e/0x80 [ 7167.237496][ T10] fib6_nh_init+0x3d8/0x1580 [ 7167.237496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7167.237496][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7167.237496][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7167.237496][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7167.237496][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7167.237496][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7167.237496][ T10] addrconf_dad_begin+0x310/0x670 [ 7167.237496][ T10] addrconf_dad_work+0x10b/0xab0 [ 7167.237496][ T10] process_one_work+0x84d/0x18a0 [ 7167.237496][ T10] worker_thread+0x587/0xd30 [ 7167.237496][ T10] kthread+0x28a/0x350 [ 7167.237496][ T10] ret_from_fork+0x31/0x70 [ 7167.237496][ T10] ret_from_fork_asm+0x1a/0x30 [ 7167.237496][ T10] [ 7167.239411][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7167.239411][ T10] netdev_get_by_index+0x5e/0x80 [ 7167.239411][ T10] fib6_nh_init+0x3d8/0x1580 [ 7167.239411][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7167.239411][ T10] ip6_route_add+0x1c/0x140 [ 7167.239411][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7167.239411][ T10] inet6_addr_add+0x4f8/0xa40 [ 7167.239411][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7167.239411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7167.239411][ T10] netlink_rcv_skb+0x130/0x360 [ 7167.239411][ T10] netlink_unicast+0x449/0x710 [ 7167.239411][ T10] netlink_sendmsg+0x723/0xbe0 [ 7167.239411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7167.239411][ T10] ___sys_sendmsg+0xee/0x170 [ 7167.239411][ T10] __sys_sendmsg+0xcd/0x170 [ 7167.239411][ T10] do_syscall_64+0xc6/0x1e0 [ 7167.239411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7167.239411][ T10] [ 7167.241472][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7167.241472][ T10] netdev_get_by_index+0x5e/0x80 [ 7167.241472][ T10] fib6_nh_init+0x3d8/0x1580 [ 7167.241472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7167.241472][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7167.241472][ T10] ipv6_add_addr+0x411/0x2000 [ 7167.241472][ T10] inet6_addr_add+0x30e/0xa40 [ 7167.241472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7167.241472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7167.241472][ T10] netlink_rcv_skb+0x130/0x360 [ 7167.241472][ T10] netlink_unicast+0x449/0x710 [ 7167.241472][ T10] netlink_sendmsg+0x723/0xbe0 [ 7167.241472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7167.241472][ T10] ___sys_sendmsg+0xee/0x170 [ 7167.241472][ T10] __sys_sendmsg+0xcd/0x170 [ 7167.241472][ T10] do_syscall_64+0xc6/0x1e0 [ 7167.241472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7167.241472][ T10] [ 7167.243721][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7167.243721][ T10] netdev_get_by_index+0x5e/0x80 [ 7167.243721][ T10] fib6_nh_init+0x3d8/0x1580 [ 7167.243721][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7167.243721][ T10] ip6_route_add+0x1c/0x140 [ 7167.243721][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7167.243721][ T10] addrconf_add_dev+0xe2/0x170 [ 7167.243721][ T10] inet6_addr_add+0x12f/0xa40 [ 7167.243721][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7167.243721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7167.243721][ T10] netlink_rcv_skb+0x130/0x360 [ 7167.243721][ T10] netlink_unicast+0x449/0x710 [ 7167.243721][ T10] netlink_sendmsg+0x723/0xbe0 [ 7167.243721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7167.243721][ T10] ___sys_sendmsg+0xee/0x170 [ 7167.243721][ T10] __sys_sendmsg+0xcd/0x170 [ 7167.243721][ T10] do_syscall_64+0xc6/0x1e0 [ 7167.243721][ T10] [ 7167.245942][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7167.245942][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7167.245942][ T10] ipv6_find_idev+0x102/0x170 [ 7167.245942][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7167.245942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7167.245942][ T10] netlink_rcv_skb+0x130/0x360 [ 7167.245942][ T10] netlink_unicast+0x449/0x710 [ 7167.245942][ T10] netlink_sendmsg+0x723/0xbe0 [ 7167.245942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7167.245942][ T10] ___sys_sendmsg+0xee/0x170 [ 7167.245942][ T10] __sys_sendmsg+0xcd/0x170 [ 7167.245942][ T10] do_syscall_64+0xc6/0x1e0 [ 7167.245942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7167.245942][ T10] [ 7167.247667][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7167.247667][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7167.247667][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7167.247667][ T10] ipv6_find_idev+0x102/0x170 [ 7167.247667][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7167.247667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7167.247667][ T10] netlink_rcv_skb+0x130/0x360 [ 7167.247667][ T10] netlink_unicast+0x449/0x710 [ 7167.247667][ T10] netlink_sendmsg+0x723/0xbe0 [ 7167.247667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7167.247667][ T10] ___sys_sendmsg+0xee/0x170 [ 7167.247667][ T10] __sys_sendmsg+0xcd/0x170 [ 7167.247667][ T10] do_syscall_64+0xc6/0x1e0 [ 7167.247667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7167.247667][ T10] [ 7172.529112][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7172.529590][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7172.529590][ T1167] dst_init+0x84/0x4a0 [ 7172.529590][ T1167] dst_alloc+0x97/0x150 [ 7172.529590][ T1167] ip6_dst_alloc+0x23/0x90 [ 7172.529590][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7172.529590][ T1167] ip6_pol_route+0x56f/0x840 [ 7172.529590][ T1167] fib6_rule_lookup+0x334/0x630 [ 7172.529590][ T1167] ip6_route_output_flags+0x259/0x480 [ 7172.529590][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7172.529590][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7172.529590][ T1167] netlink_rcv_skb+0x130/0x360 [ 7172.529590][ T1167] netlink_unicast+0x449/0x710 [ 7172.529590][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7172.529590][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7172.529590][ T1167] ___sys_sendmsg+0xee/0x170 [ 7172.529590][ T1167] __sys_sendmsg+0xcd/0x170 [ 7172.529590][ T1167] do_syscall_64+0xc6/0x1e0 [ 7172.529590][ T1167] [ 7172.531826][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7172.531826][ T1167] netdev_get_by_index+0x5e/0x80 [ 7172.531826][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7172.531826][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7172.531826][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7172.531826][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7172.531826][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7172.531826][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7172.531826][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7172.531826][ T1167] addrconf_dad_begin+0x310/0x670 [ 7172.531826][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7172.531826][ T1167] process_one_work+0x84d/0x18a0 [ 7172.531826][ T1167] worker_thread+0x587/0xd30 [ 7172.531826][ T1167] kthread+0x28a/0x350 [ 7172.531826][ T1167] ret_from_fork+0x31/0x70 [ 7172.531826][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7172.531826][ T1167] [ 7172.533981][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7172.533981][ T1167] netdev_get_by_index+0x5e/0x80 [ 7172.533981][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7172.533981][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7172.533981][ T1167] ip6_route_add+0x1c/0x140 [ 7172.533981][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7172.533981][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7172.533981][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7172.533981][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7172.533981][ T1167] netlink_rcv_skb+0x130/0x360 [ 7172.533981][ T1167] netlink_unicast+0x449/0x710 [ 7172.533981][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7172.533981][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7172.533981][ T1167] ___sys_sendmsg+0xee/0x170 [ 7172.533981][ T1167] __sys_sendmsg+0xcd/0x170 [ 7172.533981][ T1167] do_syscall_64+0xc6/0x1e0 [ 7172.533981][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7172.533981][ T1167] [ 7172.536260][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7172.536260][ T1167] netdev_get_by_index+0x5e/0x80 [ 7172.536260][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7172.536260][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7172.536260][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7172.536260][ T1167] ipv6_add_addr+0x411/0x2000 [ 7172.536260][ T1167] inet6_addr_add+0x30e/0xa40 [ 7172.536260][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7172.536260][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7172.536260][ T1167] netlink_rcv_skb+0x130/0x360 [ 7172.536260][ T1167] netlink_unicast+0x449/0x710 [ 7172.536260][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7172.536260][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7172.536260][ T1167] ___sys_sendmsg+0xee/0x170 [ 7172.536260][ T1167] __sys_sendmsg+0xcd/0x170 [ 7172.536260][ T1167] do_syscall_64+0xc6/0x1e0 [ 7172.536260][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7172.536260][ T1167] [ 7172.538525][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7172.538525][ T1167] netdev_get_by_index+0x5e/0x80 [ 7172.538525][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7172.538525][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7172.538525][ T1167] ip6_route_add+0x1c/0x140 [ 7172.538525][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7172.538525][ T1167] addrconf_add_dev+0xe2/0x170 [ 7172.538525][ T1167] inet6_addr_add+0x12f/0xa40 [ 7172.538525][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7172.538525][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7172.538525][ T1167] netlink_rcv_skb+0x130/0x360 [ 7172.538525][ T1167] netlink_unicast+0x449/0x710 [ 7172.538525][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7172.538525][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7172.538525][ T1167] ___sys_sendmsg+0xee/0x170 [ 7172.538525][ T1167] __sys_sendmsg+0xcd/0x170 [ 7172.538525][ T1167] do_syscall_64+0xc6/0x1e0 [ 7172.538525][ T1167] [ 7172.540832][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7172.540832][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7172.540832][ T1167] ipv6_find_idev+0x102/0x170 [ 7172.540832][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7172.540832][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7172.540832][ T1167] netlink_rcv_skb+0x130/0x360 [ 7172.540832][ T1167] netlink_unicast+0x449/0x710 [ 7172.540832][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7172.540832][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7172.540832][ T1167] ___sys_sendmsg+0xee/0x170 [ 7172.540832][ T1167] __sys_sendmsg+0xcd/0x170 [ 7172.540832][ T1167] do_syscall_64+0xc6/0x1e0 [ 7172.540832][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7172.540832][ T1167] [ 7172.542586][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7172.542586][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7172.542586][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7172.542586][ T1167] ipv6_find_idev+0x102/0x170 [ 7172.542586][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7172.542586][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7172.542586][ T1167] netlink_rcv_skb+0x130/0x360 [ 7172.542586][ T1167] netlink_unicast+0x449/0x710 [ 7172.542586][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7172.542586][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7172.542586][ T1167] ___sys_sendmsg+0xee/0x170 [ 7172.542586][ T1167] __sys_sendmsg+0xcd/0x170 [ 7172.542586][ T1167] do_syscall_64+0xc6/0x1e0 [ 7172.542586][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7172.542586][ T1167] [ 7177.505101][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7177.505512][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7177.505512][ T10] netdev_get_by_index+0x5e/0x80 [ 7177.505512][ T10] fib6_nh_init+0x3d8/0x1580 [ 7177.505512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7177.505512][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7177.505512][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7177.505512][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7177.505512][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7177.505512][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7177.505512][ T10] addrconf_dad_begin+0x310/0x670 [ 7177.505512][ T10] addrconf_dad_work+0x10b/0xab0 [ 7177.505512][ T10] process_one_work+0x84d/0x18a0 [ 7177.505512][ T10] worker_thread+0x587/0xd30 [ 7177.505512][ T10] kthread+0x28a/0x350 [ 7177.505512][ T10] ret_from_fork+0x31/0x70 [ 7177.505512][ T10] ret_from_fork_asm+0x1a/0x30 [ 7177.505512][ T10] [ 7177.507461][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7177.507461][ T10] netdev_get_by_index+0x5e/0x80 [ 7177.507461][ T10] fib6_nh_init+0x3d8/0x1580 [ 7177.507461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7177.507461][ T10] ip6_route_add+0x1c/0x140 [ 7177.507461][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7177.507461][ T10] inet6_addr_add+0x4f8/0xa40 [ 7177.507461][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7177.507461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7177.507461][ T10] netlink_rcv_skb+0x130/0x360 [ 7177.507461][ T10] netlink_unicast+0x449/0x710 [ 7177.507461][ T10] netlink_sendmsg+0x723/0xbe0 [ 7177.507461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7177.507461][ T10] ___sys_sendmsg+0xee/0x170 [ 7177.507461][ T10] __sys_sendmsg+0xcd/0x170 [ 7177.507461][ T10] do_syscall_64+0xc6/0x1e0 [ 7177.507461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7177.507461][ T10] [ 7177.509471][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7177.509471][ T10] netdev_get_by_index+0x5e/0x80 [ 7177.509471][ T10] fib6_nh_init+0x3d8/0x1580 [ 7177.509471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7177.509471][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7177.509471][ T10] ipv6_add_addr+0x411/0x2000 [ 7177.509471][ T10] inet6_addr_add+0x30e/0xa40 [ 7177.509471][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7177.509471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7177.509471][ T10] netlink_rcv_skb+0x130/0x360 [ 7177.509471][ T10] netlink_unicast+0x449/0x710 [ 7177.509471][ T10] netlink_sendmsg+0x723/0xbe0 [ 7177.509471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7177.509471][ T10] ___sys_sendmsg+0xee/0x170 [ 7177.509471][ T10] __sys_sendmsg+0xcd/0x170 [ 7177.509471][ T10] do_syscall_64+0xc6/0x1e0 [ 7177.509471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7177.509471][ T10] [ 7177.511481][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7177.511481][ T10] netdev_get_by_index+0x5e/0x80 [ 7177.511481][ T10] fib6_nh_init+0x3d8/0x1580 [ 7177.511481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7177.511481][ T10] ip6_route_add+0x1c/0x140 [ 7177.511481][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7177.511481][ T10] addrconf_add_dev+0xe2/0x170 [ 7177.511481][ T10] inet6_addr_add+0x12f/0xa40 [ 7177.511481][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7177.511481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7177.511481][ T10] netlink_rcv_skb+0x130/0x360 [ 7177.511481][ T10] netlink_unicast+0x449/0x710 [ 7177.511481][ T10] netlink_sendmsg+0x723/0xbe0 [ 7177.511481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7177.511481][ T10] ___sys_sendmsg+0xee/0x170 [ 7177.511481][ T10] __sys_sendmsg+0xcd/0x170 [ 7177.511481][ T10] do_syscall_64+0xc6/0x1e0 [ 7177.511481][ T10] [ 7177.513455][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7177.513455][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7177.513455][ T10] ipv6_find_idev+0x102/0x170 [ 7177.513455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7177.513455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7177.513455][ T10] netlink_rcv_skb+0x130/0x360 [ 7177.513455][ T10] netlink_unicast+0x449/0x710 [ 7177.513455][ T10] netlink_sendmsg+0x723/0xbe0 [ 7177.513455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7177.513455][ T10] ___sys_sendmsg+0xee/0x170 [ 7177.513455][ T10] __sys_sendmsg+0xcd/0x170 [ 7177.513455][ T10] do_syscall_64+0xc6/0x1e0 [ 7177.513455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7177.513455][ T10] [ 7177.515013][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7177.515013][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7177.515013][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7177.515013][ T10] ipv6_find_idev+0x102/0x170 [ 7177.515013][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7177.515013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7177.515013][ T10] netlink_rcv_skb+0x130/0x360 [ 7177.515013][ T10] netlink_unicast+0x449/0x710 [ 7177.515013][ T10] netlink_sendmsg+0x723/0xbe0 [ 7177.515013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7177.515013][ T10] ___sys_sendmsg+0xee/0x170 [ 7177.515013][ T10] __sys_sendmsg+0xcd/0x170 [ 7177.515013][ T10] do_syscall_64+0xc6/0x1e0 [ 7177.515013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7177.515013][ T10] [ 7177.516697][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7177.516936][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7177.516936][ T10] netdev_get_by_index+0x5e/0x80 [ 7177.516936][ T10] fib6_nh_init+0x3d8/0x1580 [ 7177.516936][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7177.516936][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7177.516936][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7177.516936][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7177.516936][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7177.516936][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7177.516936][ T10] addrconf_dad_begin+0x310/0x670 [ 7177.516936][ T10] addrconf_dad_work+0x10b/0xab0 [ 7177.516936][ T10] process_one_work+0x84d/0x18a0 [ 7177.516936][ T10] worker_thread+0x587/0xd30 [ 7177.516936][ T10] kthread+0x28a/0x350 [ 7177.516936][ T10] ret_from_fork+0x31/0x70 [ 7177.516936][ T10] ret_from_fork_asm+0x1a/0x30 [ 7177.516936][ T10] [ 7177.518863][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7177.518863][ T10] netdev_get_by_index+0x5e/0x80 [ 7177.518863][ T10] fib6_nh_init+0x3d8/0x1580 [ 7177.518863][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7177.518863][ T10] ip6_route_add+0x1c/0x140 [ 7177.518863][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7177.518863][ T10] inet6_addr_add+0x4f8/0xa40 [ 7177.518863][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7177.518863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7177.518863][ T10] netlink_rcv_skb+0x130/0x360 [ 7177.518863][ T10] netlink_unicast+0x449/0x710 [ 7177.518863][ T10] netlink_sendmsg+0x723/0xbe0 [ 7177.518863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7177.518863][ T10] ___sys_sendmsg+0xee/0x170 [ 7177.518863][ T10] __sys_sendmsg+0xcd/0x170 [ 7177.518863][ T10] do_syscall_64+0xc6/0x1e0 [ 7177.518863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7177.518863][ T10] [ 7177.520860][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7177.520860][ T10] netdev_get_by_index+0x5e/0x80 [ 7177.520860][ T10] fib6_nh_init+0x3d8/0x1580 [ 7177.520860][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7177.520860][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7177.520860][ T10] ipv6_add_addr+0x411/0x2000 [ 7177.520860][ T10] inet6_addr_add+0x30e/0xa40 [ 7177.520860][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7177.520860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7177.520860][ T10] netlink_rcv_skb+0x130/0x360 [ 7177.520860][ T10] netlink_unicast+0x449/0x710 [ 7177.520860][ T10] netlink_sendmsg+0x723/0xbe0 [ 7177.520860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7177.520860][ T10] ___sys_sendmsg+0xee/0x170 [ 7177.520860][ T10] __sys_sendmsg+0xcd/0x170 [ 7177.520860][ T10] do_syscall_64+0xc6/0x1e0 [ 7177.520860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7177.520860][ T10] [ 7177.522869][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7177.522869][ T10] netdev_get_by_index+0x5e/0x80 [ 7177.522869][ T10] fib6_nh_init+0x3d8/0x1580 [ 7177.522869][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7177.522869][ T10] ip6_route_add+0x1c/0x140 [ 7177.522869][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7177.522869][ T10] addrconf_add_dev+0xe2/0x170 [ 7177.522869][ T10] inet6_addr_add+0x12f/0xa40 [ 7177.522869][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7177.522869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7177.522869][ T10] netlink_rcv_skb+0x130/0x360 [ 7177.522869][ T10] netlink_unicast+0x449/0x710 [ 7177.522869][ T10] netlink_sendmsg+0x723/0xbe0 [ 7177.522869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7177.522869][ T10] ___sys_sendmsg+0xee/0x170 [ 7177.522869][ T10] __sys_sendmsg+0xcd/0x170 [ 7177.522869][ T10] do_syscall_64+0xc6/0x1e0 [ 7177.522869][ T10] [ 7177.524851][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7177.524851][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7177.524851][ T10] ipv6_find_idev+0x102/0x170 [ 7177.524851][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7177.524851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7177.524851][ T10] netlink_rcv_skb+0x130/0x360 [ 7177.524851][ T10] netlink_unicast+0x449/0x710 [ 7177.524851][ T10] netlink_sendmsg+0x723/0xbe0 [ 7177.524851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7177.524851][ T10] ___sys_sendmsg+0xee/0x170 [ 7177.524851][ T10] __sys_sendmsg+0xcd/0x170 [ 7177.524851][ T10] do_syscall_64+0xc6/0x1e0 [ 7177.524851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7177.524851][ T10] [ 7177.526401][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7177.526401][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7177.526401][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7177.526401][ T10] ipv6_find_idev+0x102/0x170 [ 7177.526401][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7177.526401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7177.526401][ T10] netlink_rcv_skb+0x130/0x360 [ 7177.526401][ T10] netlink_unicast+0x449/0x710 [ 7177.526401][ T10] netlink_sendmsg+0x723/0xbe0 [ 7177.526401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7177.526401][ T10] ___sys_sendmsg+0xee/0x170 [ 7177.526401][ T10] __sys_sendmsg+0xcd/0x170 [ 7177.526401][ T10] do_syscall_64+0xc6/0x1e0 [ 7177.526401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7177.526401][ T10] [ 7177.528099][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7177.528337][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7177.528337][ T10] netdev_get_by_index+0x5e/0x80 [ 7177.528337][ T10] fib6_nh_init+0x3d8/0x1580 [ 7177.528337][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7177.528337][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7177.528337][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7177.528337][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7177.528337][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7177.528337][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7177.528337][ T10] addrconf_dad_begin+0x310/0x670 [ 7177.528337][ T10] addrconf_dad_work+0x10b/0xab0 [ 7177.528337][ T10] process_one_work+0x84d/0x18a0 [ 7177.528337][ T10] worker_thread+0x587/0xd30 [ 7177.528337][ T10] kthread+0x28a/0x350 [ 7177.528337][ T10] ret_from_fork+0x31/0x70 [ 7177.528337][ T10] ret_from_fork_asm+0x1a/0x30 [ 7177.528337][ T10] [ 7177.530260][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7177.530260][ T10] netdev_get_by_index+0x5e/0x80 [ 7177.530260][ T10] fib6_nh_init+0x3d8/0x1580 [ 7177.530260][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7177.530260][ T10] ip6_route_add+0x1c/0x140 [ 7177.530260][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7177.530260][ T10] inet6_addr_add+0x4f8/0xa40 [ 7177.530260][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7177.530260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7177.530260][ T10] netlink_rcv_skb+0x130/0x360 [ 7177.530260][ T10] netlink_unicast+0x449/0x710 [ 7177.530260][ T10] netlink_sendmsg+0x723/0xbe0 [ 7177.530260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7177.530260][ T10] ___sys_sendmsg+0xee/0x170 [ 7177.530260][ T10] __sys_sendmsg+0xcd/0x170 [ 7177.530260][ T10] do_syscall_64+0xc6/0x1e0 [ 7177.530260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7177.530260][ T10] [ 7177.532388][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7177.532388][ T10] netdev_get_by_index+0x5e/0x80 [ 7177.532388][ T10] fib6_nh_init+0x3d8/0x1580 [ 7177.532388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7177.532388][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7177.532388][ T10] ipv6_add_addr+0x411/0x2000 [ 7177.532388][ T10] inet6_addr_add+0x30e/0xa40 [ 7177.532388][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7177.532388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7177.532388][ T10] netlink_rcv_skb+0x130/0x360 [ 7177.532388][ T10] netlink_unicast+0x449/0x710 [ 7177.532388][ T10] netlink_sendmsg+0x723/0xbe0 [ 7177.532388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7177.532388][ T10] ___sys_sendmsg+0xee/0x170 [ 7177.532388][ T10] __sys_sendmsg+0xcd/0x170 [ 7177.532388][ T10] do_syscall_64+0xc6/0x1e0 [ 7177.532388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7177.532388][ T10] [ 7177.535031][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7177.535031][ T10] netdev_get_by_index+0x5e/0x80 [ 7177.535031][ T10] fib6_nh_init+0x3d8/0x1580 [ 7177.535031][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7177.535031][ T10] ip6_route_add+0x1c/0x140 [ 7177.535031][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7177.535031][ T10] addrconf_add_dev+0xe2/0x170 [ 7177.535031][ T10] inet6_addr_add+0x12f/0xa40 [ 7177.535031][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7177.535031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7177.535031][ T10] netlink_rcv_skb+0x130/0x360 [ 7177.535031][ T10] netlink_unicast+0x449/0x710 [ 7177.535031][ T10] netlink_sendmsg+0x723/0xbe0 [ 7177.535031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7177.535031][ T10] ___sys_sendmsg+0xee/0x170 [ 7177.535031][ T10] __sys_sendmsg+0xcd/0x170 [ 7177.535031][ T10] do_syscall_64+0xc6/0x1e0 [ 7177.535031][ T10] [ 7177.537115][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7177.537115][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7177.537115][ T10] ipv6_find_idev+0x102/0x170 [ 7177.537115][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7177.537115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7177.537115][ T10] netlink_rcv_skb+0x130/0x360 [ 7177.537115][ T10] netlink_unicast+0x449/0x710 [ 7177.537115][ T10] netlink_sendmsg+0x723/0xbe0 [ 7177.537115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7177.537115][ T10] ___sys_sendmsg+0xee/0x170 [ 7177.537115][ T10] __sys_sendmsg+0xcd/0x170 [ 7177.537115][ T10] do_syscall_64+0xc6/0x1e0 [ 7177.537115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7177.537115][ T10] [ 7177.538714][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7177.538714][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7177.538714][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7177.538714][ T10] ipv6_find_idev+0x102/0x170 [ 7177.538714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7177.538714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7177.538714][ T10] netlink_rcv_skb+0x130/0x360 [ 7177.538714][ T10] netlink_unicast+0x449/0x710 [ 7177.538714][ T10] netlink_sendmsg+0x723/0xbe0 [ 7177.538714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7177.538714][ T10] ___sys_sendmsg+0xee/0x170 [ 7177.538714][ T10] __sys_sendmsg+0xcd/0x170 [ 7177.538714][ T10] do_syscall_64+0xc6/0x1e0 [ 7177.538714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7177.538714][ T10] [ 7177.540489][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7177.540789][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7177.540789][ T10] netdev_get_by_index+0x5e/0x80 [ 7177.540789][ T10] fib6_nh_init+0x3d8/0x1580 [ 7177.540789][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7177.540789][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7177.540789][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7177.540789][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7177.540789][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7177.540789][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7177.540789][ T10] addrconf_dad_begin+0x310/0x670 [ 7177.540789][ T10] addrconf_dad_work+0x10b/0xab0 [ 7177.540789][ T10] process_one_work+0x84d/0x18a0 [ 7177.540789][ T10] worker_thread+0x587/0xd30 [ 7177.540789][ T10] kthread+0x28a/0x350 [ 7177.540789][ T10] ret_from_fork+0x31/0x70 [ 7177.540789][ T10] ret_from_fork_asm+0x1a/0x30 [ 7177.540789][ T10] [ 7177.542757][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7177.542757][ T10] netdev_get_by_index+0x5e/0x80 [ 7177.542757][ T10] fib6_nh_init+0x3d8/0x1580 [ 7177.542757][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7177.542757][ T10] ip6_route_add+0x1c/0x140 [ 7177.542757][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7177.542757][ T10] inet6_addr_add+0x4f8/0xa40 [ 7177.542757][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7177.542757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7177.542757][ T10] netlink_rcv_skb+0x130/0x360 [ 7177.542757][ T10] netlink_unicast+0x449/0x710 [ 7177.542757][ T10] netlink_sendmsg+0x723/0xbe0 [ 7177.542757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7177.542757][ T10] ___sys_sendmsg+0xee/0x170 [ 7177.542757][ T10] __sys_sendmsg+0xcd/0x170 [ 7177.542757][ T10] do_syscall_64+0xc6/0x1e0 [ 7177.542757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7177.542757][ T10] [ 7177.544897][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7177.544897][ T10] netdev_get_by_index+0x5e/0x80 [ 7177.544897][ T10] fib6_nh_init+0x3d8/0x1580 [ 7177.544897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7177.544897][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7177.544897][ T10] ipv6_add_addr+0x411/0x2000 [ 7177.544897][ T10] inet6_addr_add+0x30e/0xa40 [ 7177.544897][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7177.544897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7177.544897][ T10] netlink_rcv_skb+0x130/0x360 [ 7177.544897][ T10] netlink_unicast+0x449/0x710 [ 7177.544897][ T10] netlink_sendmsg+0x723/0xbe0 [ 7177.544897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7177.544897][ T10] ___sys_sendmsg+0xee/0x170 [ 7177.544897][ T10] __sys_sendmsg+0xcd/0x170 [ 7177.544897][ T10] do_syscall_64+0xc6/0x1e0 [ 7177.544897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7177.544897][ T10] [ 7177.547033][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7177.547033][ T10] netdev_get_by_index+0x5e/0x80 [ 7177.547033][ T10] fib6_nh_init+0x3d8/0x1580 [ 7177.547033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7177.547033][ T10] ip6_route_add+0x1c/0x140 [ 7177.547033][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7177.547033][ T10] addrconf_add_dev+0xe2/0x170 [ 7177.547033][ T10] inet6_addr_add+0x12f/0xa40 [ 7177.547033][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7177.547033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7177.547033][ T10] netlink_rcv_skb+0x130/0x360 [ 7177.547033][ T10] netlink_unicast+0x449/0x710 [ 7177.547033][ T10] netlink_sendmsg+0x723/0xbe0 [ 7177.547033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7177.547033][ T10] ___sys_sendmsg+0xee/0x170 [ 7177.547033][ T10] __sys_sendmsg+0xcd/0x170 [ 7177.547033][ T10] do_syscall_64+0xc6/0x1e0 [ 7177.547033][ T10] [ 7177.549199][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7177.549199][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7177.549199][ T10] ipv6_find_idev+0x102/0x170 [ 7177.549199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7177.549199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7177.549199][ T10] netlink_rcv_skb+0x130/0x360 [ 7177.549199][ T10] netlink_unicast+0x449/0x710 [ 7177.549199][ T10] netlink_sendmsg+0x723/0xbe0 [ 7177.549199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7177.549199][ T10] ___sys_sendmsg+0xee/0x170 [ 7177.549199][ T10] __sys_sendmsg+0xcd/0x170 [ 7177.549199][ T10] do_syscall_64+0xc6/0x1e0 [ 7177.549199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7177.549199][ T10] [ 7177.550800][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7177.550800][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7177.550800][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7177.550800][ T10] ipv6_find_idev+0x102/0x170 [ 7177.550800][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7177.550800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7177.550800][ T10] netlink_rcv_skb+0x130/0x360 [ 7177.550800][ T10] netlink_unicast+0x449/0x710 [ 7177.550800][ T10] netlink_sendmsg+0x723/0xbe0 [ 7177.550800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7177.550800][ T10] ___sys_sendmsg+0xee/0x170 [ 7177.550800][ T10] __sys_sendmsg+0xcd/0x170 [ 7177.550800][ T10] do_syscall_64+0xc6/0x1e0 [ 7177.550800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7177.550800][ T10] [ 7182.625113][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7182.625678][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7182.625678][ T1167] dst_init+0x84/0x4a0 [ 7182.625678][ T1167] dst_alloc+0x97/0x150 [ 7182.625678][ T1167] ip6_dst_alloc+0x23/0x90 [ 7182.625678][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7182.625678][ T1167] ip6_pol_route+0x56f/0x840 [ 7182.625678][ T1167] fib6_rule_lookup+0x334/0x630 [ 7182.625678][ T1167] ip6_route_output_flags+0x259/0x480 [ 7182.625678][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7182.625678][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7182.625678][ T1167] netlink_rcv_skb+0x130/0x360 [ 7182.625678][ T1167] netlink_unicast+0x449/0x710 [ 7182.625678][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7182.625678][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7182.625678][ T1167] ___sys_sendmsg+0xee/0x170 [ 7182.625678][ T1167] __sys_sendmsg+0xcd/0x170 [ 7182.625678][ T1167] do_syscall_64+0xc6/0x1e0 [ 7182.625678][ T1167] [ 7182.628154][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7182.628154][ T1167] netdev_get_by_index+0x5e/0x80 [ 7182.628154][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7182.628154][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7182.628154][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7182.628154][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7182.628154][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7182.628154][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7182.628154][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7182.628154][ T1167] addrconf_dad_begin+0x310/0x670 [ 7182.628154][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7182.628154][ T1167] process_one_work+0x84d/0x18a0 [ 7182.628154][ T1167] worker_thread+0x587/0xd30 [ 7182.628154][ T1167] kthread+0x28a/0x350 [ 7182.628154][ T1167] ret_from_fork+0x31/0x70 [ 7182.628154][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7182.628154][ T1167] [ 7182.630582][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7182.630582][ T1167] netdev_get_by_index+0x5e/0x80 [ 7182.630582][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7182.630582][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7182.630582][ T1167] ip6_route_add+0x1c/0x140 [ 7182.630582][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7182.630582][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7182.630582][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7182.630582][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7182.630582][ T1167] netlink_rcv_skb+0x130/0x360 [ 7182.630582][ T1167] netlink_unicast+0x449/0x710 [ 7182.630582][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7182.630582][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7182.630582][ T1167] ___sys_sendmsg+0xee/0x170 [ 7182.630582][ T1167] __sys_sendmsg+0xcd/0x170 [ 7182.630582][ T1167] do_syscall_64+0xc6/0x1e0 [ 7182.630582][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7182.630582][ T1167] [ 7182.633247][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7182.633247][ T1167] netdev_get_by_index+0x5e/0x80 [ 7182.633247][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7182.633247][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7182.633247][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7182.633247][ T1167] ipv6_add_addr+0x411/0x2000 [ 7182.633247][ T1167] inet6_addr_add+0x30e/0xa40 [ 7182.633247][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7182.633247][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7182.633247][ T1167] netlink_rcv_skb+0x130/0x360 [ 7182.633247][ T1167] netlink_unicast+0x449/0x710 [ 7182.633247][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7182.633247][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7182.633247][ T1167] ___sys_sendmsg+0xee/0x170 [ 7182.633247][ T1167] __sys_sendmsg+0xcd/0x170 [ 7182.633247][ T1167] do_syscall_64+0xc6/0x1e0 [ 7182.633247][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7182.633247][ T1167] [ 7182.635778][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7182.635778][ T1167] netdev_get_by_index+0x5e/0x80 [ 7182.635778][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7182.635778][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7182.635778][ T1167] ip6_route_add+0x1c/0x140 [ 7182.635778][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7182.635778][ T1167] addrconf_add_dev+0xe2/0x170 [ 7182.635778][ T1167] inet6_addr_add+0x12f/0xa40 [ 7182.635778][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7182.635778][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7182.635778][ T1167] netlink_rcv_skb+0x130/0x360 [ 7182.635778][ T1167] netlink_unicast+0x449/0x710 [ 7182.635778][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7182.635778][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7182.635778][ T1167] ___sys_sendmsg+0xee/0x170 [ 7182.635778][ T1167] __sys_sendmsg+0xcd/0x170 [ 7182.635778][ T1167] do_syscall_64+0xc6/0x1e0 [ 7182.635778][ T1167] [ 7182.638247][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7182.638247][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7182.638247][ T1167] ipv6_find_idev+0x102/0x170 [ 7182.638247][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7182.638247][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7182.638247][ T1167] netlink_rcv_skb+0x130/0x360 [ 7182.638247][ T1167] netlink_unicast+0x449/0x710 [ 7182.638247][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7182.638247][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7182.638247][ T1167] ___sys_sendmsg+0xee/0x170 [ 7182.638247][ T1167] __sys_sendmsg+0xcd/0x170 [ 7182.638247][ T1167] do_syscall_64+0xc6/0x1e0 [ 7182.638247][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7182.638247][ T1167] [ 7182.640181][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7182.640181][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7182.640181][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7182.640181][ T1167] ipv6_find_idev+0x102/0x170 [ 7182.640181][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7182.640181][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7182.640181][ T1167] netlink_rcv_skb+0x130/0x360 [ 7182.640181][ T1167] netlink_unicast+0x449/0x710 [ 7182.640181][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7182.640181][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7182.640181][ T1167] ___sys_sendmsg+0xee/0x170 [ 7182.640181][ T1167] __sys_sendmsg+0xcd/0x170 [ 7182.640181][ T1167] do_syscall_64+0xc6/0x1e0 [ 7182.640181][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7182.640181][ T1167] [ 7187.809119][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7187.809537][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7187.809537][ T10] netdev_get_by_index+0x5e/0x80 [ 7187.809537][ T10] fib6_nh_init+0x3d8/0x1580 [ 7187.809537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7187.809537][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7187.809537][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7187.809537][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7187.809537][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7187.809537][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7187.809537][ T10] addrconf_dad_begin+0x310/0x670 [ 7187.809537][ T10] addrconf_dad_work+0x10b/0xab0 [ 7187.809537][ T10] process_one_work+0x84d/0x18a0 [ 7187.809537][ T10] worker_thread+0x587/0xd30 [ 7187.809537][ T10] kthread+0x28a/0x350 [ 7187.809537][ T10] ret_from_fork+0x31/0x70 [ 7187.809537][ T10] ret_from_fork_asm+0x1a/0x30 [ 7187.809537][ T10] [ 7187.811494][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7187.811494][ T10] netdev_get_by_index+0x5e/0x80 [ 7187.811494][ T10] fib6_nh_init+0x3d8/0x1580 [ 7187.811494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7187.811494][ T10] ip6_route_add+0x1c/0x140 [ 7187.811494][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7187.811494][ T10] inet6_addr_add+0x4f8/0xa40 [ 7187.811494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7187.811494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7187.811494][ T10] netlink_rcv_skb+0x130/0x360 [ 7187.811494][ T10] netlink_unicast+0x449/0x710 [ 7187.811494][ T10] netlink_sendmsg+0x723/0xbe0 [ 7187.811494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7187.811494][ T10] ___sys_sendmsg+0xee/0x170 [ 7187.811494][ T10] __sys_sendmsg+0xcd/0x170 [ 7187.811494][ T10] do_syscall_64+0xc6/0x1e0 [ 7187.811494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7187.811494][ T10] [ 7187.813518][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7187.813518][ T10] netdev_get_by_index+0x5e/0x80 [ 7187.813518][ T10] fib6_nh_init+0x3d8/0x1580 [ 7187.813518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7187.813518][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7187.813518][ T10] ipv6_add_addr+0x411/0x2000 [ 7187.813518][ T10] inet6_addr_add+0x30e/0xa40 [ 7187.813518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7187.813518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7187.813518][ T10] netlink_rcv_skb+0x130/0x360 [ 7187.813518][ T10] netlink_unicast+0x449/0x710 [ 7187.813518][ T10] netlink_sendmsg+0x723/0xbe0 [ 7187.813518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7187.813518][ T10] ___sys_sendmsg+0xee/0x170 [ 7187.813518][ T10] __sys_sendmsg+0xcd/0x170 [ 7187.813518][ T10] do_syscall_64+0xc6/0x1e0 [ 7187.813518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7187.813518][ T10] [ 7187.815659][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7187.815659][ T10] netdev_get_by_index+0x5e/0x80 [ 7187.815659][ T10] fib6_nh_init+0x3d8/0x1580 [ 7187.815659][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7187.815659][ T10] ip6_route_add+0x1c/0x140 [ 7187.815659][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7187.815659][ T10] addrconf_add_dev+0xe2/0x170 [ 7187.815659][ T10] inet6_addr_add+0x12f/0xa40 [ 7187.815659][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7187.815659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7187.815659][ T10] netlink_rcv_skb+0x130/0x360 [ 7187.815659][ T10] netlink_unicast+0x449/0x710 [ 7187.815659][ T10] netlink_sendmsg+0x723/0xbe0 [ 7187.815659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7187.815659][ T10] ___sys_sendmsg+0xee/0x170 [ 7187.815659][ T10] __sys_sendmsg+0xcd/0x170 [ 7187.815659][ T10] do_syscall_64+0xc6/0x1e0 [ 7187.815659][ T10] [ 7187.817643][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7187.817643][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7187.817643][ T10] ipv6_find_idev+0x102/0x170 [ 7187.817643][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7187.817643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7187.817643][ T10] netlink_rcv_skb+0x130/0x360 [ 7187.817643][ T10] netlink_unicast+0x449/0x710 [ 7187.817643][ T10] netlink_sendmsg+0x723/0xbe0 [ 7187.817643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7187.817643][ T10] ___sys_sendmsg+0xee/0x170 [ 7187.817643][ T10] __sys_sendmsg+0xcd/0x170 [ 7187.817643][ T10] do_syscall_64+0xc6/0x1e0 [ 7187.817643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7187.817643][ T10] [ 7187.819197][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7187.819197][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7187.819197][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7187.819197][ T10] ipv6_find_idev+0x102/0x170 [ 7187.819197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7187.819197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7187.819197][ T10] netlink_rcv_skb+0x130/0x360 [ 7187.819197][ T10] netlink_unicast+0x449/0x710 [ 7187.819197][ T10] netlink_sendmsg+0x723/0xbe0 [ 7187.819197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7187.819197][ T10] ___sys_sendmsg+0xee/0x170 [ 7187.819197][ T10] __sys_sendmsg+0xcd/0x170 [ 7187.819197][ T10] do_syscall_64+0xc6/0x1e0 [ 7187.819197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7187.819197][ T10] [ 7187.820897][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7187.821154][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7187.821154][ T10] netdev_get_by_index+0x5e/0x80 [ 7187.821154][ T10] fib6_nh_init+0x3d8/0x1580 [ 7187.821154][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7187.821154][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7187.821154][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7187.821154][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7187.821154][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7187.821154][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7187.821154][ T10] addrconf_dad_begin+0x310/0x670 [ 7187.821154][ T10] addrconf_dad_work+0x10b/0xab0 [ 7187.821154][ T10] process_one_work+0x84d/0x18a0 [ 7187.821154][ T10] worker_thread+0x587/0xd30 [ 7187.821154][ T10] kthread+0x28a/0x350 [ 7187.821154][ T10] ret_from_fork+0x31/0x70 [ 7187.821154][ T10] ret_from_fork_asm+0x1a/0x30 [ 7187.821154][ T10] [ 7187.823070][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7187.823070][ T10] netdev_get_by_index+0x5e/0x80 [ 7187.823070][ T10] fib6_nh_init+0x3d8/0x1580 [ 7187.823070][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7187.823070][ T10] ip6_route_add+0x1c/0x140 [ 7187.823070][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7187.823070][ T10] inet6_addr_add+0x4f8/0xa40 [ 7187.823070][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7187.823070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7187.823070][ T10] netlink_rcv_skb+0x130/0x360 [ 7187.823070][ T10] netlink_unicast+0x449/0x710 [ 7187.823070][ T10] netlink_sendmsg+0x723/0xbe0 [ 7187.823070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7187.823070][ T10] ___sys_sendmsg+0xee/0x170 [ 7187.823070][ T10] __sys_sendmsg+0xcd/0x170 [ 7187.823070][ T10] do_syscall_64+0xc6/0x1e0 [ 7187.823070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7187.823070][ T10] [ 7187.825085][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7187.825085][ T10] netdev_get_by_index+0x5e/0x80 [ 7187.825085][ T10] fib6_nh_init+0x3d8/0x1580 [ 7187.825085][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7187.825085][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7187.825085][ T10] ipv6_add_addr+0x411/0x2000 [ 7187.825085][ T10] inet6_addr_add+0x30e/0xa40 [ 7187.825085][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7187.825085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7187.825085][ T10] netlink_rcv_skb+0x130/0x360 [ 7187.825085][ T10] netlink_unicast+0x449/0x710 [ 7187.825085][ T10] netlink_sendmsg+0x723/0xbe0 [ 7187.825085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7187.825085][ T10] ___sys_sendmsg+0xee/0x170 [ 7187.825085][ T10] __sys_sendmsg+0xcd/0x170 [ 7187.825085][ T10] do_syscall_64+0xc6/0x1e0 [ 7187.825085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7187.825085][ T10] [ 7187.827087][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7187.827087][ T10] netdev_get_by_index+0x5e/0x80 [ 7187.827087][ T10] fib6_nh_init+0x3d8/0x1580 [ 7187.827087][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7187.827087][ T10] ip6_route_add+0x1c/0x140 [ 7187.827087][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7187.827087][ T10] addrconf_add_dev+0xe2/0x170 [ 7187.827087][ T10] inet6_addr_add+0x12f/0xa40 [ 7187.827087][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7187.827087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7187.827087][ T10] netlink_rcv_skb+0x130/0x360 [ 7187.827087][ T10] netlink_unicast+0x449/0x710 [ 7187.827087][ T10] netlink_sendmsg+0x723/0xbe0 [ 7187.827087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7187.827087][ T10] ___sys_sendmsg+0xee/0x170 [ 7187.827087][ T10] __sys_sendmsg+0xcd/0x170 [ 7187.827087][ T10] do_syscall_64+0xc6/0x1e0 [ 7187.827087][ T10] [ 7187.829054][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7187.829054][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7187.829054][ T10] ipv6_find_idev+0x102/0x170 [ 7187.829054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7187.829054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7187.829054][ T10] netlink_rcv_skb+0x130/0x360 [ 7187.829054][ T10] netlink_unicast+0x449/0x710 [ 7187.829054][ T10] netlink_sendmsg+0x723/0xbe0 [ 7187.829054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7187.829054][ T10] ___sys_sendmsg+0xee/0x170 [ 7187.829054][ T10] __sys_sendmsg+0xcd/0x170 [ 7187.829054][ T10] do_syscall_64+0xc6/0x1e0 [ 7187.829054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7187.829054][ T10] [ 7187.830600][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7187.830600][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7187.830600][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7187.830600][ T10] ipv6_find_idev+0x102/0x170 [ 7187.830600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7187.830600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7187.830600][ T10] netlink_rcv_skb+0x130/0x360 [ 7187.830600][ T10] netlink_unicast+0x449/0x710 [ 7187.830600][ T10] netlink_sendmsg+0x723/0xbe0 [ 7187.830600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7187.830600][ T10] ___sys_sendmsg+0xee/0x170 [ 7187.830600][ T10] __sys_sendmsg+0xcd/0x170 [ 7187.830600][ T10] do_syscall_64+0xc6/0x1e0 [ 7187.830600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7187.830600][ T10] [ 7187.832291][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7187.832536][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7187.832536][ T10] netdev_get_by_index+0x5e/0x80 [ 7187.832536][ T10] fib6_nh_init+0x3d8/0x1580 [ 7187.832536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7187.832536][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7187.832536][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7187.832536][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7187.832536][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7187.832536][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7187.832536][ T10] addrconf_dad_begin+0x310/0x670 [ 7187.832536][ T10] addrconf_dad_work+0x10b/0xab0 [ 7187.832536][ T10] process_one_work+0x84d/0x18a0 [ 7187.832536][ T10] worker_thread+0x587/0xd30 [ 7187.832536][ T10] kthread+0x28a/0x350 [ 7187.832536][ T10] ret_from_fork+0x31/0x70 [ 7187.832536][ T10] ret_from_fork_asm+0x1a/0x30 [ 7187.832536][ T10] [ 7187.834452][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7187.834452][ T10] netdev_get_by_index+0x5e/0x80 [ 7187.834452][ T10] fib6_nh_init+0x3d8/0x1580 [ 7187.834452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7187.834452][ T10] ip6_route_add+0x1c/0x140 [ 7187.834452][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7187.834452][ T10] inet6_addr_add+0x4f8/0xa40 [ 7187.834452][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7187.834452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7187.834452][ T10] netlink_rcv_skb+0x130/0x360 [ 7187.834452][ T10] netlink_unicast+0x449/0x710 [ 7187.834452][ T10] netlink_sendmsg+0x723/0xbe0 [ 7187.834452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7187.834452][ T10] ___sys_sendmsg+0xee/0x170 [ 7187.834452][ T10] __sys_sendmsg+0xcd/0x170 [ 7187.834452][ T10] do_syscall_64+0xc6/0x1e0 [ 7187.834452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7187.834452][ T10] [ 7187.836648][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7187.836648][ T10] netdev_get_by_index+0x5e/0x80 [ 7187.836648][ T10] fib6_nh_init+0x3d8/0x1580 [ 7187.836648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7187.836648][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7187.836648][ T10] ipv6_add_addr+0x411/0x2000 [ 7187.836648][ T10] inet6_addr_add+0x30e/0xa40 [ 7187.836648][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7187.836648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7187.836648][ T10] netlink_rcv_skb+0x130/0x360 [ 7187.836648][ T10] netlink_unicast+0x449/0x710 [ 7187.836648][ T10] netlink_sendmsg+0x723/0xbe0 [ 7187.836648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7187.836648][ T10] ___sys_sendmsg+0xee/0x170 [ 7187.836648][ T10] __sys_sendmsg+0xcd/0x170 [ 7187.836648][ T10] do_syscall_64+0xc6/0x1e0 [ 7187.836648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7187.836648][ T10] [ 7187.838957][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7187.838957][ T10] netdev_get_by_index+0x5e/0x80 [ 7187.838957][ T10] fib6_nh_init+0x3d8/0x1580 [ 7187.838957][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7187.838957][ T10] ip6_route_add+0x1c/0x140 [ 7187.838957][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7187.838957][ T10] addrconf_add_dev+0xe2/0x170 [ 7187.838957][ T10] inet6_addr_add+0x12f/0xa40 [ 7187.838957][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7187.838957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7187.838957][ T10] netlink_rcv_skb+0x130/0x360 [ 7187.838957][ T10] netlink_unicast+0x449/0x710 [ 7187.838957][ T10] netlink_sendmsg+0x723/0xbe0 [ 7187.838957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7187.838957][ T10] ___sys_sendmsg+0xee/0x170 [ 7187.838957][ T10] __sys_sendmsg+0xcd/0x170 [ 7187.838957][ T10] do_syscall_64+0xc6/0x1e0 [ 7187.838957][ T10] [ 7187.841173][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7187.841173][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7187.841173][ T10] ipv6_find_idev+0x102/0x170 [ 7187.841173][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7187.841173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7187.841173][ T10] netlink_rcv_skb+0x130/0x360 [ 7187.841173][ T10] netlink_unicast+0x449/0x710 [ 7187.841173][ T10] netlink_sendmsg+0x723/0xbe0 [ 7187.841173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7187.841173][ T10] ___sys_sendmsg+0xee/0x170 [ 7187.841173][ T10] __sys_sendmsg+0xcd/0x170 [ 7187.841173][ T10] do_syscall_64+0xc6/0x1e0 [ 7187.841173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7187.841173][ T10] [ 7187.842895][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7187.842895][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7187.842895][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7187.842895][ T10] ipv6_find_idev+0x102/0x170 [ 7187.842895][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7187.842895][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7187.842895][ T10] netlink_rcv_skb+0x130/0x360 [ 7187.842895][ T10] netlink_unicast+0x449/0x710 [ 7187.842895][ T10] netlink_sendmsg+0x723/0xbe0 [ 7187.842895][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7187.842895][ T10] ___sys_sendmsg+0xee/0x170 [ 7187.842895][ T10] __sys_sendmsg+0xcd/0x170 [ 7187.842895][ T10] do_syscall_64+0xc6/0x1e0 [ 7187.842895][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7187.842895][ T10] [ 7187.844776][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7187.845510][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7187.845510][ T10] netdev_get_by_index+0x5e/0x80 [ 7187.845510][ T10] fib6_nh_init+0x3d8/0x1580 [ 7187.845510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7187.845510][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7187.845510][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7187.845510][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7187.845510][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7187.845510][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7187.845510][ T10] addrconf_dad_begin+0x310/0x670 [ 7187.845510][ T10] addrconf_dad_work+0x10b/0xab0 [ 7187.845510][ T10] process_one_work+0x84d/0x18a0 [ 7187.845510][ T10] worker_thread+0x587/0xd30 [ 7187.845510][ T10] kthread+0x28a/0x350 [ 7187.845510][ T10] ret_from_fork+0x31/0x70 [ 7187.845510][ T10] ret_from_fork_asm+0x1a/0x30 [ 7187.845510][ T10] [ 7187.847410][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7187.847410][ T10] netdev_get_by_index+0x5e/0x80 [ 7187.847410][ T10] fib6_nh_init+0x3d8/0x1580 [ 7187.847410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7187.847410][ T10] ip6_route_add+0x1c/0x140 [ 7187.847410][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7187.847410][ T10] inet6_addr_add+0x4f8/0xa40 [ 7187.847410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7187.847410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7187.847410][ T10] netlink_rcv_skb+0x130/0x360 [ 7187.847410][ T10] netlink_unicast+0x449/0x710 [ 7187.847410][ T10] netlink_sendmsg+0x723/0xbe0 [ 7187.847410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7187.847410][ T10] ___sys_sendmsg+0xee/0x170 [ 7187.847410][ T10] __sys_sendmsg+0xcd/0x170 [ 7187.847410][ T10] do_syscall_64+0xc6/0x1e0 [ 7187.847410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7187.847410][ T10] [ 7187.849467][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7187.849467][ T10] netdev_get_by_index+0x5e/0x80 [ 7187.849467][ T10] fib6_nh_init+0x3d8/0x1580 [ 7187.849467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7187.849467][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7187.849467][ T10] ipv6_add_addr+0x411/0x2000 [ 7187.849467][ T10] inet6_addr_add+0x30e/0xa40 [ 7187.849467][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7187.849467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7187.849467][ T10] netlink_rcv_skb+0x130/0x360 [ 7187.849467][ T10] netlink_unicast+0x449/0x710 [ 7187.849467][ T10] netlink_sendmsg+0x723/0xbe0 [ 7187.849467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7187.849467][ T10] ___sys_sendmsg+0xee/0x170 [ 7187.849467][ T10] __sys_sendmsg+0xcd/0x170 [ 7187.849467][ T10] do_syscall_64+0xc6/0x1e0 [ 7187.849467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7187.849467][ T10] [ 7187.851771][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7187.851771][ T10] netdev_get_by_index+0x5e/0x80 [ 7187.851771][ T10] fib6_nh_init+0x3d8/0x1580 [ 7187.851771][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7187.851771][ T10] ip6_route_add+0x1c/0x140 [ 7187.851771][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7187.851771][ T10] addrconf_add_dev+0xe2/0x170 [ 7187.851771][ T10] inet6_addr_add+0x12f/0xa40 [ 7187.851771][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7187.851771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7187.851771][ T10] netlink_rcv_skb+0x130/0x360 [ 7187.851771][ T10] netlink_unicast+0x449/0x710 [ 7187.851771][ T10] netlink_sendmsg+0x723/0xbe0 [ 7187.851771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7187.851771][ T10] ___sys_sendmsg+0xee/0x170 [ 7187.851771][ T10] __sys_sendmsg+0xcd/0x170 [ 7187.851771][ T10] do_syscall_64+0xc6/0x1e0 [ 7187.851771][ T10] [ 7187.853975][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7187.853975][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7187.853975][ T10] ipv6_find_idev+0x102/0x170 [ 7187.853975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7187.853975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7187.853975][ T10] netlink_rcv_skb+0x130/0x360 [ 7187.853975][ T10] netlink_unicast+0x449/0x710 [ 7187.853975][ T10] netlink_sendmsg+0x723/0xbe0 [ 7187.853975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7187.853975][ T10] ___sys_sendmsg+0xee/0x170 [ 7187.853975][ T10] __sys_sendmsg+0xcd/0x170 [ 7187.853975][ T10] do_syscall_64+0xc6/0x1e0 [ 7187.853975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7187.853975][ T10] [ 7187.855697][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7187.855697][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7187.855697][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7187.855697][ T10] ipv6_find_idev+0x102/0x170 [ 7187.855697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7187.855697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7187.855697][ T10] netlink_rcv_skb+0x130/0x360 [ 7187.855697][ T10] netlink_unicast+0x449/0x710 [ 7187.855697][ T10] netlink_sendmsg+0x723/0xbe0 [ 7187.855697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7187.855697][ T10] ___sys_sendmsg+0xee/0x170 [ 7187.855697][ T10] __sys_sendmsg+0xcd/0x170 [ 7187.855697][ T10] do_syscall_64+0xc6/0x1e0 [ 7187.855697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7187.855697][ T10] [ 7192.889119][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7192.889659][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7192.889659][ T1167] dst_init+0x84/0x4a0 [ 7192.889659][ T1167] dst_alloc+0x97/0x150 [ 7192.889659][ T1167] ip6_dst_alloc+0x23/0x90 [ 7192.889659][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7192.889659][ T1167] ip6_pol_route+0x56f/0x840 [ 7192.889659][ T1167] fib6_rule_lookup+0x334/0x630 [ 7192.889659][ T1167] ip6_route_output_flags+0x259/0x480 [ 7192.889659][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7192.889659][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7192.889659][ T1167] netlink_rcv_skb+0x130/0x360 [ 7192.889659][ T1167] netlink_unicast+0x449/0x710 [ 7192.889659][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7192.889659][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7192.889659][ T1167] ___sys_sendmsg+0xee/0x170 [ 7192.889659][ T1167] __sys_sendmsg+0xcd/0x170 [ 7192.889659][ T1167] do_syscall_64+0xc6/0x1e0 [ 7192.889659][ T1167] [ 7192.892131][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7192.892131][ T1167] netdev_get_by_index+0x5e/0x80 [ 7192.892131][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7192.892131][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7192.892131][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7192.892131][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7192.892131][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7192.892131][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7192.892131][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7192.892131][ T1167] addrconf_dad_begin+0x310/0x670 [ 7192.892131][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7192.892131][ T1167] process_one_work+0x84d/0x18a0 [ 7192.892131][ T1167] worker_thread+0x587/0xd30 [ 7192.892131][ T1167] kthread+0x28a/0x350 [ 7192.892131][ T1167] ret_from_fork+0x31/0x70 [ 7192.892131][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7192.892131][ T1167] [ 7192.894524][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7192.894524][ T1167] netdev_get_by_index+0x5e/0x80 [ 7192.894524][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7192.894524][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7192.894524][ T1167] ip6_route_add+0x1c/0x140 [ 7192.894524][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7192.894524][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7192.894524][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7192.894524][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7192.894524][ T1167] netlink_rcv_skb+0x130/0x360 [ 7192.894524][ T1167] netlink_unicast+0x449/0x710 [ 7192.894524][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7192.894524][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7192.894524][ T1167] ___sys_sendmsg+0xee/0x170 [ 7192.894524][ T1167] __sys_sendmsg+0xcd/0x170 [ 7192.894524][ T1167] do_syscall_64+0xc6/0x1e0 [ 7192.894524][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7192.894524][ T1167] [ 7192.897036][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7192.897036][ T1167] netdev_get_by_index+0x5e/0x80 [ 7192.897036][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7192.897036][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7192.897036][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7192.897036][ T1167] ipv6_add_addr+0x411/0x2000 [ 7192.897036][ T1167] inet6_addr_add+0x30e/0xa40 [ 7192.897036][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7192.897036][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7192.897036][ T1167] netlink_rcv_skb+0x130/0x360 [ 7192.897036][ T1167] netlink_unicast+0x449/0x710 [ 7192.897036][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7192.897036][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7192.897036][ T1167] ___sys_sendmsg+0xee/0x170 [ 7192.897036][ T1167] __sys_sendmsg+0xcd/0x170 [ 7192.897036][ T1167] do_syscall_64+0xc6/0x1e0 [ 7192.897036][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7192.897036][ T1167] [ 7192.899566][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7192.899566][ T1167] netdev_get_by_index+0x5e/0x80 [ 7192.899566][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7192.899566][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7192.899566][ T1167] ip6_route_add+0x1c/0x140 [ 7192.899566][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7192.899566][ T1167] addrconf_add_dev+0xe2/0x170 [ 7192.899566][ T1167] inet6_addr_add+0x12f/0xa40 [ 7192.899566][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7192.899566][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7192.899566][ T1167] netlink_rcv_skb+0x130/0x360 [ 7192.899566][ T1167] netlink_unicast+0x449/0x710 [ 7192.899566][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7192.899566][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7192.899566][ T1167] ___sys_sendmsg+0xee/0x170 [ 7192.899566][ T1167] __sys_sendmsg+0xcd/0x170 [ 7192.899566][ T1167] do_syscall_64+0xc6/0x1e0 [ 7192.899566][ T1167] [ 7192.902043][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7192.902043][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7192.902043][ T1167] ipv6_find_idev+0x102/0x170 [ 7192.902043][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7192.902043][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7192.902043][ T1167] netlink_rcv_skb+0x130/0x360 [ 7192.902043][ T1167] netlink_unicast+0x449/0x710 [ 7192.902043][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7192.902043][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7192.902043][ T1167] ___sys_sendmsg+0xee/0x170 [ 7192.902043][ T1167] __sys_sendmsg+0xcd/0x170 [ 7192.902043][ T1167] do_syscall_64+0xc6/0x1e0 [ 7192.902043][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7192.902043][ T1167] [ 7192.903975][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7192.903975][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7192.903975][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7192.903975][ T1167] ipv6_find_idev+0x102/0x170 [ 7192.903975][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7192.903975][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7192.903975][ T1167] netlink_rcv_skb+0x130/0x360 [ 7192.903975][ T1167] netlink_unicast+0x449/0x710 [ 7192.903975][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7192.903975][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7192.903975][ T1167] ___sys_sendmsg+0xee/0x170 [ 7192.903975][ T1167] __sys_sendmsg+0xcd/0x170 [ 7192.903975][ T1167] do_syscall_64+0xc6/0x1e0 [ 7192.903975][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7192.903975][ T1167] [ 7198.113107][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7198.113527][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7198.113527][ T10] netdev_get_by_index+0x5e/0x80 [ 7198.113527][ T10] fib6_nh_init+0x3d8/0x1580 [ 7198.113527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7198.113527][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7198.113527][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7198.113527][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7198.113527][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7198.113527][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7198.113527][ T10] addrconf_dad_begin+0x310/0x670 [ 7198.113527][ T10] addrconf_dad_work+0x10b/0xab0 [ 7198.113527][ T10] process_one_work+0x84d/0x18a0 [ 7198.113527][ T10] worker_thread+0x587/0xd30 [ 7198.113527][ T10] kthread+0x28a/0x350 [ 7198.113527][ T10] ret_from_fork+0x31/0x70 [ 7198.113527][ T10] ret_from_fork_asm+0x1a/0x30 [ 7198.113527][ T10] [ 7198.115481][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7198.115481][ T10] netdev_get_by_index+0x5e/0x80 [ 7198.115481][ T10] fib6_nh_init+0x3d8/0x1580 [ 7198.115481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7198.115481][ T10] ip6_route_add+0x1c/0x140 [ 7198.115481][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7198.115481][ T10] inet6_addr_add+0x4f8/0xa40 [ 7198.115481][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7198.115481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.115481][ T10] netlink_rcv_skb+0x130/0x360 [ 7198.115481][ T10] netlink_unicast+0x449/0x710 [ 7198.115481][ T10] netlink_sendmsg+0x723/0xbe0 [ 7198.115481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7198.115481][ T10] ___sys_sendmsg+0xee/0x170 [ 7198.115481][ T10] __sys_sendmsg+0xcd/0x170 [ 7198.115481][ T10] do_syscall_64+0xc6/0x1e0 [ 7198.115481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7198.115481][ T10] [ 7198.117497][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7198.117497][ T10] netdev_get_by_index+0x5e/0x80 [ 7198.117497][ T10] fib6_nh_init+0x3d8/0x1580 [ 7198.117497][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7198.117497][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7198.117497][ T10] ipv6_add_addr+0x411/0x2000 [ 7198.117497][ T10] inet6_addr_add+0x30e/0xa40 [ 7198.117497][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7198.117497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.117497][ T10] netlink_rcv_skb+0x130/0x360 [ 7198.117497][ T10] netlink_unicast+0x449/0x710 [ 7198.117497][ T10] netlink_sendmsg+0x723/0xbe0 [ 7198.117497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7198.117497][ T10] ___sys_sendmsg+0xee/0x170 [ 7198.117497][ T10] __sys_sendmsg+0xcd/0x170 [ 7198.117497][ T10] do_syscall_64+0xc6/0x1e0 [ 7198.117497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7198.117497][ T10] [ 7198.119511][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7198.119511][ T10] netdev_get_by_index+0x5e/0x80 [ 7198.119511][ T10] fib6_nh_init+0x3d8/0x1580 [ 7198.119511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7198.119511][ T10] ip6_route_add+0x1c/0x140 [ 7198.119511][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7198.119511][ T10] addrconf_add_dev+0xe2/0x170 [ 7198.119511][ T10] inet6_addr_add+0x12f/0xa40 [ 7198.119511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7198.119511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.119511][ T10] netlink_rcv_skb+0x130/0x360 [ 7198.119511][ T10] netlink_unicast+0x449/0x710 [ 7198.119511][ T10] netlink_sendmsg+0x723/0xbe0 [ 7198.119511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7198.119511][ T10] ___sys_sendmsg+0xee/0x170 [ 7198.119511][ T10] __sys_sendmsg+0xcd/0x170 [ 7198.119511][ T10] do_syscall_64+0xc6/0x1e0 [ 7198.119511][ T10] [ 7198.121494][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7198.121494][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7198.121494][ T10] ipv6_find_idev+0x102/0x170 [ 7198.121494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7198.121494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.121494][ T10] netlink_rcv_skb+0x130/0x360 [ 7198.121494][ T10] netlink_unicast+0x449/0x710 [ 7198.121494][ T10] netlink_sendmsg+0x723/0xbe0 [ 7198.121494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7198.121494][ T10] ___sys_sendmsg+0xee/0x170 [ 7198.121494][ T10] __sys_sendmsg+0xcd/0x170 [ 7198.121494][ T10] do_syscall_64+0xc6/0x1e0 [ 7198.121494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7198.121494][ T10] [ 7198.123034][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7198.123034][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7198.123034][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7198.123034][ T10] ipv6_find_idev+0x102/0x170 [ 7198.123034][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7198.123034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.123034][ T10] netlink_rcv_skb+0x130/0x360 [ 7198.123034][ T10] netlink_unicast+0x449/0x710 [ 7198.123034][ T10] netlink_sendmsg+0x723/0xbe0 [ 7198.123034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7198.123034][ T10] ___sys_sendmsg+0xee/0x170 [ 7198.123034][ T10] __sys_sendmsg+0xcd/0x170 [ 7198.123034][ T10] do_syscall_64+0xc6/0x1e0 [ 7198.123034][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7198.123034][ T10] [ 7198.124745][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7198.124996][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7198.124996][ T10] netdev_get_by_index+0x5e/0x80 [ 7198.124996][ T10] fib6_nh_init+0x3d8/0x1580 [ 7198.124996][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7198.124996][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7198.124996][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7198.124996][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7198.124996][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7198.124996][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7198.124996][ T10] addrconf_dad_begin+0x310/0x670 [ 7198.124996][ T10] addrconf_dad_work+0x10b/0xab0 [ 7198.124996][ T10] process_one_work+0x84d/0x18a0 [ 7198.124996][ T10] worker_thread+0x587/0xd30 [ 7198.124996][ T10] kthread+0x28a/0x350 [ 7198.124996][ T10] ret_from_fork+0x31/0x70 [ 7198.124996][ T10] ret_from_fork_asm+0x1a/0x30 [ 7198.124996][ T10] [ 7198.126907][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7198.126907][ T10] netdev_get_by_index+0x5e/0x80 [ 7198.126907][ T10] fib6_nh_init+0x3d8/0x1580 [ 7198.126907][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7198.126907][ T10] ip6_route_add+0x1c/0x140 [ 7198.126907][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7198.126907][ T10] inet6_addr_add+0x4f8/0xa40 [ 7198.126907][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7198.126907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.126907][ T10] netlink_rcv_skb+0x130/0x360 [ 7198.126907][ T10] netlink_unicast+0x449/0x710 [ 7198.126907][ T10] netlink_sendmsg+0x723/0xbe0 [ 7198.126907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7198.126907][ T10] ___sys_sendmsg+0xee/0x170 [ 7198.126907][ T10] __sys_sendmsg+0xcd/0x170 [ 7198.126907][ T10] do_syscall_64+0xc6/0x1e0 [ 7198.126907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7198.126907][ T10] [ 7198.128913][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7198.128913][ T10] netdev_get_by_index+0x5e/0x80 [ 7198.128913][ T10] fib6_nh_init+0x3d8/0x1580 [ 7198.128913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7198.128913][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7198.128913][ T10] ipv6_add_addr+0x411/0x2000 [ 7198.128913][ T10] inet6_addr_add+0x30e/0xa40 [ 7198.128913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7198.128913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.128913][ T10] netlink_rcv_skb+0x130/0x360 [ 7198.128913][ T10] netlink_unicast+0x449/0x710 [ 7198.128913][ T10] netlink_sendmsg+0x723/0xbe0 [ 7198.128913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7198.128913][ T10] ___sys_sendmsg+0xee/0x170 [ 7198.128913][ T10] __sys_sendmsg+0xcd/0x170 [ 7198.128913][ T10] do_syscall_64+0xc6/0x1e0 [ 7198.128913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7198.128913][ T10] [ 7198.131024][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7198.131024][ T10] netdev_get_by_index+0x5e/0x80 [ 7198.131024][ T10] fib6_nh_init+0x3d8/0x1580 [ 7198.131024][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7198.131024][ T10] ip6_route_add+0x1c/0x140 [ 7198.131024][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7198.131024][ T10] addrconf_add_dev+0xe2/0x170 [ 7198.131024][ T10] inet6_addr_add+0x12f/0xa40 [ 7198.131024][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7198.131024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.131024][ T10] netlink_rcv_skb+0x130/0x360 [ 7198.131024][ T10] netlink_unicast+0x449/0x710 [ 7198.131024][ T10] netlink_sendmsg+0x723/0xbe0 [ 7198.131024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7198.131024][ T10] ___sys_sendmsg+0xee/0x170 [ 7198.131024][ T10] __sys_sendmsg+0xcd/0x170 [ 7198.131024][ T10] do_syscall_64+0xc6/0x1e0 [ 7198.131024][ T10] [ 7198.133012][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7198.133012][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7198.133012][ T10] ipv6_find_idev+0x102/0x170 [ 7198.133012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7198.133012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.133012][ T10] netlink_rcv_skb+0x130/0x360 [ 7198.133012][ T10] netlink_unicast+0x449/0x710 [ 7198.133012][ T10] netlink_sendmsg+0x723/0xbe0 [ 7198.133012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7198.133012][ T10] ___sys_sendmsg+0xee/0x170 [ 7198.133012][ T10] __sys_sendmsg+0xcd/0x170 [ 7198.133012][ T10] do_syscall_64+0xc6/0x1e0 [ 7198.133012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7198.133012][ T10] [ 7198.134553][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7198.134553][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7198.134553][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7198.134553][ T10] ipv6_find_idev+0x102/0x170 [ 7198.134553][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7198.134553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.134553][ T10] netlink_rcv_skb+0x130/0x360 [ 7198.134553][ T10] netlink_unicast+0x449/0x710 [ 7198.134553][ T10] netlink_sendmsg+0x723/0xbe0 [ 7198.134553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7198.134553][ T10] ___sys_sendmsg+0xee/0x170 [ 7198.134553][ T10] __sys_sendmsg+0xcd/0x170 [ 7198.134553][ T10] do_syscall_64+0xc6/0x1e0 [ 7198.134553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7198.134553][ T10] [ 7198.136250][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7198.136486][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7198.136486][ T10] netdev_get_by_index+0x5e/0x80 [ 7198.136486][ T10] fib6_nh_init+0x3d8/0x1580 [ 7198.136486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7198.136486][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7198.136486][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7198.136486][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7198.136486][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7198.136486][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7198.136486][ T10] addrconf_dad_begin+0x310/0x670 [ 7198.136486][ T10] addrconf_dad_work+0x10b/0xab0 [ 7198.136486][ T10] process_one_work+0x84d/0x18a0 [ 7198.136486][ T10] worker_thread+0x587/0xd30 [ 7198.136486][ T10] kthread+0x28a/0x350 [ 7198.136486][ T10] ret_from_fork+0x31/0x70 [ 7198.136486][ T10] ret_from_fork_asm+0x1a/0x30 [ 7198.136486][ T10] [ 7198.138405][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7198.138405][ T10] netdev_get_by_index+0x5e/0x80 [ 7198.138405][ T10] fib6_nh_init+0x3d8/0x1580 [ 7198.138405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7198.138405][ T10] ip6_route_add+0x1c/0x140 [ 7198.138405][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7198.138405][ T10] inet6_addr_add+0x4f8/0xa40 [ 7198.138405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7198.138405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.138405][ T10] netlink_rcv_skb+0x130/0x360 [ 7198.138405][ T10] netlink_unicast+0x449/0x710 [ 7198.138405][ T10] netlink_sendmsg+0x723/0xbe0 [ 7198.138405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7198.138405][ T10] ___sys_sendmsg+0xee/0x170 [ 7198.138405][ T10] __sys_sendmsg+0xcd/0x170 [ 7198.138405][ T10] do_syscall_64+0xc6/0x1e0 [ 7198.138405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7198.138405][ T10] [ 7198.140587][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7198.140587][ T10] netdev_get_by_index+0x5e/0x80 [ 7198.140587][ T10] fib6_nh_init+0x3d8/0x1580 [ 7198.140587][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7198.140587][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7198.140587][ T10] ipv6_add_addr+0x411/0x2000 [ 7198.140587][ T10] inet6_addr_add+0x30e/0xa40 [ 7198.140587][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7198.140587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.140587][ T10] netlink_rcv_skb+0x130/0x360 [ 7198.140587][ T10] netlink_unicast+0x449/0x710 [ 7198.140587][ T10] netlink_sendmsg+0x723/0xbe0 [ 7198.140587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7198.140587][ T10] ___sys_sendmsg+0xee/0x170 [ 7198.140587][ T10] __sys_sendmsg+0xcd/0x170 [ 7198.140587][ T10] do_syscall_64+0xc6/0x1e0 [ 7198.140587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7198.140587][ T10] [ 7198.142892][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7198.142892][ T10] netdev_get_by_index+0x5e/0x80 [ 7198.142892][ T10] fib6_nh_init+0x3d8/0x1580 [ 7198.142892][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7198.142892][ T10] ip6_route_add+0x1c/0x140 [ 7198.142892][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7198.142892][ T10] addrconf_add_dev+0xe2/0x170 [ 7198.142892][ T10] inet6_addr_add+0x12f/0xa40 [ 7198.142892][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7198.142892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.142892][ T10] netlink_rcv_skb+0x130/0x360 [ 7198.142892][ T10] netlink_unicast+0x449/0x710 [ 7198.142892][ T10] netlink_sendmsg+0x723/0xbe0 [ 7198.142892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7198.142892][ T10] ___sys_sendmsg+0xee/0x170 [ 7198.142892][ T10] __sys_sendmsg+0xcd/0x170 [ 7198.142892][ T10] do_syscall_64+0xc6/0x1e0 [ 7198.142892][ T10] [ 7198.145117][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7198.145117][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7198.145117][ T10] ipv6_find_idev+0x102/0x170 [ 7198.145117][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7198.145117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.145117][ T10] netlink_rcv_skb+0x130/0x360 [ 7198.145117][ T10] netlink_unicast+0x449/0x710 [ 7198.145117][ T10] netlink_sendmsg+0x723/0xbe0 [ 7198.145117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7198.145117][ T10] ___sys_sendmsg+0xee/0x170 [ 7198.145117][ T10] __sys_sendmsg+0xcd/0x170 [ 7198.145117][ T10] do_syscall_64+0xc6/0x1e0 [ 7198.145117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7198.145117][ T10] [ 7198.146838][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7198.146838][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7198.146838][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7198.146838][ T10] ipv6_find_idev+0x102/0x170 [ 7198.146838][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7198.146838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.146838][ T10] netlink_rcv_skb+0x130/0x360 [ 7198.146838][ T10] netlink_unicast+0x449/0x710 [ 7198.146838][ T10] netlink_sendmsg+0x723/0xbe0 [ 7198.146838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7198.146838][ T10] ___sys_sendmsg+0xee/0x170 [ 7198.146838][ T10] __sys_sendmsg+0xcd/0x170 [ 7198.146838][ T10] do_syscall_64+0xc6/0x1e0 [ 7198.146838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7198.146838][ T10] [ 7198.148715][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7198.149013][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7198.149013][ T10] netdev_get_by_index+0x5e/0x80 [ 7198.149013][ T10] fib6_nh_init+0x3d8/0x1580 [ 7198.149013][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7198.149013][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7198.149013][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7198.149013][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7198.149013][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7198.149013][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7198.149013][ T10] addrconf_dad_begin+0x310/0x670 [ 7198.149013][ T10] addrconf_dad_work+0x10b/0xab0 [ 7198.149013][ T10] process_one_work+0x84d/0x18a0 [ 7198.149013][ T10] worker_thread+0x587/0xd30 [ 7198.149013][ T10] kthread+0x28a/0x350 [ 7198.149013][ T10] ret_from_fork+0x31/0x70 [ 7198.149013][ T10] ret_from_fork_asm+0x1a/0x30 [ 7198.149013][ T10] [ 7198.151177][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7198.151177][ T10] netdev_get_by_index+0x5e/0x80 [ 7198.151177][ T10] fib6_nh_init+0x3d8/0x1580 [ 7198.151177][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7198.151177][ T10] ip6_route_add+0x1c/0x140 [ 7198.151177][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7198.151177][ T10] inet6_addr_add+0x4f8/0xa40 [ 7198.151177][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7198.151177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.151177][ T10] netlink_rcv_skb+0x130/0x360 [ 7198.151177][ T10] netlink_unicast+0x449/0x710 [ 7198.151177][ T10] netlink_sendmsg+0x723/0xbe0 [ 7198.151177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7198.151177][ T10] ___sys_sendmsg+0xee/0x170 [ 7198.151177][ T10] __sys_sendmsg+0xcd/0x170 [ 7198.151177][ T10] do_syscall_64+0xc6/0x1e0 [ 7198.151177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7198.151177][ T10] [ 7198.153425][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7198.153425][ T10] netdev_get_by_index+0x5e/0x80 [ 7198.153425][ T10] fib6_nh_init+0x3d8/0x1580 [ 7198.153425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7198.153425][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7198.153425][ T10] ipv6_add_addr+0x411/0x2000 [ 7198.153425][ T10] inet6_addr_add+0x30e/0xa40 [ 7198.153425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7198.153425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.153425][ T10] netlink_rcv_skb+0x130/0x360 [ 7198.153425][ T10] netlink_unicast+0x449/0x710 [ 7198.153425][ T10] netlink_sendmsg+0x723/0xbe0 [ 7198.153425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7198.153425][ T10] ___sys_sendmsg+0xee/0x170 [ 7198.153425][ T10] __sys_sendmsg+0xcd/0x170 [ 7198.153425][ T10] do_syscall_64+0xc6/0x1e0 [ 7198.153425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7198.153425][ T10] [ 7198.155683][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7198.155683][ T10] netdev_get_by_index+0x5e/0x80 [ 7198.155683][ T10] fib6_nh_init+0x3d8/0x1580 [ 7198.155683][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7198.155683][ T10] ip6_route_add+0x1c/0x140 [ 7198.155683][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7198.155683][ T10] addrconf_add_dev+0xe2/0x170 [ 7198.155683][ T10] inet6_addr_add+0x12f/0xa40 [ 7198.155683][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7198.155683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.155683][ T10] netlink_rcv_skb+0x130/0x360 [ 7198.155683][ T10] netlink_unicast+0x449/0x710 [ 7198.155683][ T10] netlink_sendmsg+0x723/0xbe0 [ 7198.155683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7198.155683][ T10] ___sys_sendmsg+0xee/0x170 [ 7198.155683][ T10] __sys_sendmsg+0xcd/0x170 [ 7198.155683][ T10] do_syscall_64+0xc6/0x1e0 [ 7198.155683][ T10] [ 7198.157901][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7198.157901][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7198.157901][ T10] ipv6_find_idev+0x102/0x170 [ 7198.157901][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7198.157901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.157901][ T10] netlink_rcv_skb+0x130/0x360 [ 7198.157901][ T10] netlink_unicast+0x449/0x710 [ 7198.157901][ T10] netlink_sendmsg+0x723/0xbe0 [ 7198.157901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7198.157901][ T10] ___sys_sendmsg+0xee/0x170 [ 7198.157901][ T10] __sys_sendmsg+0xcd/0x170 [ 7198.157901][ T10] do_syscall_64+0xc6/0x1e0 [ 7198.157901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7198.157901][ T10] [ 7198.159691][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7198.159691][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7198.159691][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7198.159691][ T10] ipv6_find_idev+0x102/0x170 [ 7198.159691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7198.159691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.159691][ T10] netlink_rcv_skb+0x130/0x360 [ 7198.159691][ T10] netlink_unicast+0x449/0x710 [ 7198.159691][ T10] netlink_sendmsg+0x723/0xbe0 [ 7198.159691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7198.159691][ T10] ___sys_sendmsg+0xee/0x170 [ 7198.159691][ T10] __sys_sendmsg+0xcd/0x170 [ 7198.159691][ T10] do_syscall_64+0xc6/0x1e0 [ 7198.159691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7198.159691][ T10] [ 7203.153068][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7203.153778][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7203.153778][ T1167] dst_init+0x84/0x4a0 [ 7203.153778][ T1167] dst_alloc+0x97/0x150 [ 7203.153778][ T1167] ip6_dst_alloc+0x23/0x90 [ 7203.153778][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7203.153778][ T1167] ip6_pol_route+0x56f/0x840 [ 7203.153778][ T1167] fib6_rule_lookup+0x334/0x630 [ 7203.153778][ T1167] ip6_route_output_flags+0x259/0x480 [ 7203.153778][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7203.153778][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7203.153778][ T1167] netlink_rcv_skb+0x130/0x360 [ 7203.153778][ T1167] netlink_unicast+0x449/0x710 [ 7203.153778][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7203.153778][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7203.153778][ T1167] ___sys_sendmsg+0xee/0x170 [ 7203.153778][ T1167] __sys_sendmsg+0xcd/0x170 [ 7203.153778][ T1167] do_syscall_64+0xc6/0x1e0 [ 7203.153778][ T1167] [ 7203.157043][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7203.157043][ T1167] netdev_get_by_index+0x5e/0x80 [ 7203.157043][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7203.157043][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7203.157043][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7203.157043][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7203.157043][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7203.157043][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7203.157043][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7203.157043][ T1167] addrconf_dad_begin+0x310/0x670 [ 7203.157043][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7203.157043][ T1167] process_one_work+0x84d/0x18a0 [ 7203.157043][ T1167] worker_thread+0x587/0xd30 [ 7203.157043][ T1167] kthread+0x28a/0x350 [ 7203.157043][ T1167] ret_from_fork+0x31/0x70 [ 7203.157043][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7203.157043][ T1167] [ 7203.159731][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7203.159731][ T1167] netdev_get_by_index+0x5e/0x80 [ 7203.159731][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7203.159731][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7203.159731][ T1167] ip6_route_add+0x1c/0x140 [ 7203.159731][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7203.159731][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7203.159731][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7203.159731][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7203.159731][ T1167] netlink_rcv_skb+0x130/0x360 [ 7203.159731][ T1167] netlink_unicast+0x449/0x710 [ 7203.159731][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7203.159731][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7203.159731][ T1167] ___sys_sendmsg+0xee/0x170 [ 7203.159731][ T1167] __sys_sendmsg+0xcd/0x170 [ 7203.159731][ T1167] do_syscall_64+0xc6/0x1e0 [ 7203.159731][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7203.159731][ T1167] [ 7203.163502][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7203.163502][ T1167] netdev_get_by_index+0x5e/0x80 [ 7203.163502][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7203.163502][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7203.163502][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7203.163502][ T1167] ipv6_add_addr+0x411/0x2000 [ 7203.163502][ T1167] inet6_addr_add+0x30e/0xa40 [ 7203.163502][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7203.163502][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7203.163502][ T1167] netlink_rcv_skb+0x130/0x360 [ 7203.163502][ T1167] netlink_unicast+0x449/0x710 [ 7203.163502][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7203.163502][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7203.163502][ T1167] ___sys_sendmsg+0xee/0x170 [ 7203.163502][ T1167] __sys_sendmsg+0xcd/0x170 [ 7203.163502][ T1167] do_syscall_64+0xc6/0x1e0 [ 7203.163502][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7203.163502][ T1167] [ 7203.167251][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7203.167251][ T1167] netdev_get_by_index+0x5e/0x80 [ 7203.167251][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7203.167251][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7203.167251][ T1167] ip6_route_add+0x1c/0x140 [ 7203.167251][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7203.167251][ T1167] addrconf_add_dev+0xe2/0x170 [ 7203.167251][ T1167] inet6_addr_add+0x12f/0xa40 [ 7203.167251][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7203.167251][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7203.167251][ T1167] netlink_rcv_skb+0x130/0x360 [ 7203.167251][ T1167] netlink_unicast+0x449/0x710 [ 7203.167251][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7203.167251][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7203.167251][ T1167] ___sys_sendmsg+0xee/0x170 [ 7203.167251][ T1167] __sys_sendmsg+0xcd/0x170 [ 7203.167251][ T1167] do_syscall_64+0xc6/0x1e0 [ 7203.167251][ T1167] [ 7203.170780][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7203.170780][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7203.170780][ T1167] ipv6_find_idev+0x102/0x170 [ 7203.170780][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7203.170780][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7203.170780][ T1167] netlink_rcv_skb+0x130/0x360 [ 7203.170780][ T1167] netlink_unicast+0x449/0x710 [ 7203.170780][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7203.170780][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7203.170780][ T1167] ___sys_sendmsg+0xee/0x170 [ 7203.170780][ T1167] __sys_sendmsg+0xcd/0x170 [ 7203.170780][ T1167] do_syscall_64+0xc6/0x1e0 [ 7203.170780][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7203.170780][ T1167] [ 7203.173540][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7203.173540][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7203.173540][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7203.173540][ T1167] ipv6_find_idev+0x102/0x170 [ 7203.173540][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7203.173540][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7203.173540][ T1167] netlink_rcv_skb+0x130/0x360 [ 7203.173540][ T1167] netlink_unicast+0x449/0x710 [ 7203.173540][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7203.173540][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7203.173540][ T1167] ___sys_sendmsg+0xee/0x170 [ 7203.173540][ T1167] __sys_sendmsg+0xcd/0x170 [ 7203.173540][ T1167] do_syscall_64+0xc6/0x1e0 [ 7203.173540][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7203.173540][ T1167] [ 7208.417103][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7208.417456][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7208.417456][ T10] netdev_get_by_index+0x5e/0x80 [ 7208.417456][ T10] fib6_nh_init+0x3d8/0x1580 [ 7208.417456][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7208.417456][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7208.417456][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7208.417456][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7208.417456][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7208.417456][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7208.417456][ T10] addrconf_dad_begin+0x310/0x670 [ 7208.417456][ T10] addrconf_dad_work+0x10b/0xab0 [ 7208.417456][ T10] process_one_work+0x84d/0x18a0 [ 7208.417456][ T10] worker_thread+0x587/0xd30 [ 7208.417456][ T10] kthread+0x28a/0x350 [ 7208.417456][ T10] ret_from_fork+0x31/0x70 [ 7208.417456][ T10] ret_from_fork_asm+0x1a/0x30 [ 7208.417456][ T10] [ 7208.419406][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7208.419406][ T10] netdev_get_by_index+0x5e/0x80 [ 7208.419406][ T10] fib6_nh_init+0x3d8/0x1580 [ 7208.419406][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7208.419406][ T10] ip6_route_add+0x1c/0x140 [ 7208.419406][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7208.419406][ T10] inet6_addr_add+0x4f8/0xa40 [ 7208.419406][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7208.419406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7208.419406][ T10] netlink_rcv_skb+0x130/0x360 [ 7208.419406][ T10] netlink_unicast+0x449/0x710 [ 7208.419406][ T10] netlink_sendmsg+0x723/0xbe0 [ 7208.419406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7208.419406][ T10] ___sys_sendmsg+0xee/0x170 [ 7208.419406][ T10] __sys_sendmsg+0xcd/0x170 [ 7208.419406][ T10] do_syscall_64+0xc6/0x1e0 [ 7208.419406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7208.419406][ T10] [ 7208.421418][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7208.421418][ T10] netdev_get_by_index+0x5e/0x80 [ 7208.421418][ T10] fib6_nh_init+0x3d8/0x1580 [ 7208.421418][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7208.421418][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7208.421418][ T10] ipv6_add_addr+0x411/0x2000 [ 7208.421418][ T10] inet6_addr_add+0x30e/0xa40 [ 7208.421418][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7208.421418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7208.421418][ T10] netlink_rcv_skb+0x130/0x360 [ 7208.421418][ T10] netlink_unicast+0x449/0x710 [ 7208.421418][ T10] netlink_sendmsg+0x723/0xbe0 [ 7208.421418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7208.421418][ T10] ___sys_sendmsg+0xee/0x170 [ 7208.421418][ T10] __sys_sendmsg+0xcd/0x170 [ 7208.421418][ T10] do_syscall_64+0xc6/0x1e0 [ 7208.421418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7208.421418][ T10] [ 7208.423433][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7208.423433][ T10] netdev_get_by_index+0x5e/0x80 [ 7208.423433][ T10] fib6_nh_init+0x3d8/0x1580 [ 7208.423433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7208.423433][ T10] ip6_route_add+0x1c/0x140 [ 7208.423433][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7208.423433][ T10] addrconf_add_dev+0xe2/0x170 [ 7208.423433][ T10] inet6_addr_add+0x12f/0xa40 [ 7208.423433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7208.423433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7208.423433][ T10] netlink_rcv_skb+0x130/0x360 [ 7208.423433][ T10] netlink_unicast+0x449/0x710 [ 7208.423433][ T10] netlink_sendmsg+0x723/0xbe0 [ 7208.423433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7208.423433][ T10] ___sys_sendmsg+0xee/0x170 [ 7208.423433][ T10] __sys_sendmsg+0xcd/0x170 [ 7208.423433][ T10] do_syscall_64+0xc6/0x1e0 [ 7208.423433][ T10] [ 7208.425420][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7208.425420][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7208.425420][ T10] ipv6_find_idev+0x102/0x170 [ 7208.425420][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7208.425420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7208.425420][ T10] netlink_rcv_skb+0x130/0x360 [ 7208.425420][ T10] netlink_unicast+0x449/0x710 [ 7208.425420][ T10] netlink_sendmsg+0x723/0xbe0 [ 7208.425420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7208.425420][ T10] ___sys_sendmsg+0xee/0x170 [ 7208.425420][ T10] __sys_sendmsg+0xcd/0x170 [ 7208.425420][ T10] do_syscall_64+0xc6/0x1e0 [ 7208.425420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7208.425420][ T10] [ 7208.426967][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7208.426967][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7208.426967][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7208.426967][ T10] ipv6_find_idev+0x102/0x170 [ 7208.426967][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7208.426967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7208.426967][ T10] netlink_rcv_skb+0x130/0x360 [ 7208.426967][ T10] netlink_unicast+0x449/0x710 [ 7208.426967][ T10] netlink_sendmsg+0x723/0xbe0 [ 7208.426967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7208.426967][ T10] ___sys_sendmsg+0xee/0x170 [ 7208.426967][ T10] __sys_sendmsg+0xcd/0x170 [ 7208.426967][ T10] do_syscall_64+0xc6/0x1e0 [ 7208.426967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7208.426967][ T10] [ 7208.428666][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7208.428908][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7208.428908][ T10] netdev_get_by_index+0x5e/0x80 [ 7208.428908][ T10] fib6_nh_init+0x3d8/0x1580 [ 7208.428908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7208.428908][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7208.428908][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7208.428908][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7208.428908][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7208.428908][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7208.428908][ T10] addrconf_dad_begin+0x310/0x670 [ 7208.428908][ T10] addrconf_dad_work+0x10b/0xab0 [ 7208.428908][ T10] process_one_work+0x84d/0x18a0 [ 7208.428908][ T10] worker_thread+0x587/0xd30 [ 7208.428908][ T10] kthread+0x28a/0x350 [ 7208.428908][ T10] ret_from_fork+0x31/0x70 [ 7208.428908][ T10] ret_from_fork_asm+0x1a/0x30 [ 7208.428908][ T10] [ 7208.430823][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7208.430823][ T10] netdev_get_by_index+0x5e/0x80 [ 7208.430823][ T10] fib6_nh_init+0x3d8/0x1580 [ 7208.430823][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7208.430823][ T10] ip6_route_add+0x1c/0x140 [ 7208.430823][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7208.430823][ T10] inet6_addr_add+0x4f8/0xa40 [ 7208.430823][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7208.430823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7208.430823][ T10] netlink_rcv_skb+0x130/0x360 [ 7208.430823][ T10] netlink_unicast+0x449/0x710 [ 7208.430823][ T10] netlink_sendmsg+0x723/0xbe0 [ 7208.430823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7208.430823][ T10] ___sys_sendmsg+0xee/0x170 [ 7208.430823][ T10] __sys_sendmsg+0xcd/0x170 [ 7208.430823][ T10] do_syscall_64+0xc6/0x1e0 [ 7208.430823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7208.430823][ T10] [ 7208.432835][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7208.432835][ T10] netdev_get_by_index+0x5e/0x80 [ 7208.432835][ T10] fib6_nh_init+0x3d8/0x1580 [ 7208.432835][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7208.432835][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7208.432835][ T10] ipv6_add_addr+0x411/0x2000 [ 7208.432835][ T10] inet6_addr_add+0x30e/0xa40 [ 7208.432835][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7208.432835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7208.432835][ T10] netlink_rcv_skb+0x130/0x360 [ 7208.432835][ T10] netlink_unicast+0x449/0x710 [ 7208.432835][ T10] netlink_sendmsg+0x723/0xbe0 [ 7208.432835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7208.432835][ T10] ___sys_sendmsg+0xee/0x170 [ 7208.432835][ T10] __sys_sendmsg+0xcd/0x170 [ 7208.432835][ T10] do_syscall_64+0xc6/0x1e0 [ 7208.432835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7208.432835][ T10] [ 7208.434844][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7208.434844][ T10] netdev_get_by_index+0x5e/0x80 [ 7208.434844][ T10] fib6_nh_init+0x3d8/0x1580 [ 7208.434844][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7208.434844][ T10] ip6_route_add+0x1c/0x140 [ 7208.434844][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7208.434844][ T10] addrconf_add_dev+0xe2/0x170 [ 7208.434844][ T10] inet6_addr_add+0x12f/0xa40 [ 7208.434844][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7208.434844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7208.434844][ T10] netlink_rcv_skb+0x130/0x360 [ 7208.434844][ T10] netlink_unicast+0x449/0x710 [ 7208.434844][ T10] netlink_sendmsg+0x723/0xbe0 [ 7208.434844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7208.434844][ T10] ___sys_sendmsg+0xee/0x170 [ 7208.434844][ T10] __sys_sendmsg+0xcd/0x170 [ 7208.434844][ T10] do_syscall_64+0xc6/0x1e0 [ 7208.434844][ T10] [ 7208.436820][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7208.436820][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7208.436820][ T10] ipv6_find_idev+0x102/0x170 [ 7208.436820][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7208.436820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7208.436820][ T10] netlink_rcv_skb+0x130/0x360 [ 7208.436820][ T10] netlink_unicast+0x449/0x710 [ 7208.436820][ T10] netlink_sendmsg+0x723/0xbe0 [ 7208.436820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7208.436820][ T10] ___sys_sendmsg+0xee/0x170 [ 7208.436820][ T10] __sys_sendmsg+0xcd/0x170 [ 7208.436820][ T10] do_syscall_64+0xc6/0x1e0 [ 7208.436820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7208.436820][ T10] [ 7208.438383][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7208.438383][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7208.438383][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7208.438383][ T10] ipv6_find_idev+0x102/0x170 [ 7208.438383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7208.438383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7208.438383][ T10] netlink_rcv_skb+0x130/0x360 [ 7208.438383][ T10] netlink_unicast+0x449/0x710 [ 7208.438383][ T10] netlink_sendmsg+0x723/0xbe0 [ 7208.438383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7208.438383][ T10] ___sys_sendmsg+0xee/0x170 [ 7208.438383][ T10] __sys_sendmsg+0xcd/0x170 [ 7208.438383][ T10] do_syscall_64+0xc6/0x1e0 [ 7208.438383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7208.438383][ T10] [ 7208.440109][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7208.440358][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7208.440358][ T10] netdev_get_by_index+0x5e/0x80 [ 7208.440358][ T10] fib6_nh_init+0x3d8/0x1580 [ 7208.440358][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7208.440358][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7208.440358][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7208.440358][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7208.440358][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7208.440358][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7208.440358][ T10] addrconf_dad_begin+0x310/0x670 [ 7208.440358][ T10] addrconf_dad_work+0x10b/0xab0 [ 7208.440358][ T10] process_one_work+0x84d/0x18a0 [ 7208.440358][ T10] worker_thread+0x587/0xd30 [ 7208.440358][ T10] kthread+0x28a/0x350 [ 7208.440358][ T10] ret_from_fork+0x31/0x70 [ 7208.440358][ T10] ret_from_fork_asm+0x1a/0x30 [ 7208.440358][ T10] [ 7208.442278][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7208.442278][ T10] netdev_get_by_index+0x5e/0x80 [ 7208.442278][ T10] fib6_nh_init+0x3d8/0x1580 [ 7208.442278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7208.442278][ T10] ip6_route_add+0x1c/0x140 [ 7208.442278][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7208.442278][ T10] inet6_addr_add+0x4f8/0xa40 [ 7208.442278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7208.442278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7208.442278][ T10] netlink_rcv_skb+0x130/0x360 [ 7208.442278][ T10] netlink_unicast+0x449/0x710 [ 7208.442278][ T10] netlink_sendmsg+0x723/0xbe0 [ 7208.442278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7208.442278][ T10] ___sys_sendmsg+0xee/0x170 [ 7208.442278][ T10] __sys_sendmsg+0xcd/0x170 [ 7208.442278][ T10] do_syscall_64+0xc6/0x1e0 [ 7208.442278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7208.442278][ T10] [ 7208.444479][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7208.444479][ T10] netdev_get_by_index+0x5e/0x80 [ 7208.444479][ T10] fib6_nh_init+0x3d8/0x1580 [ 7208.444479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7208.444479][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7208.444479][ T10] ipv6_add_addr+0x411/0x2000 [ 7208.444479][ T10] inet6_addr_add+0x30e/0xa40 [ 7208.444479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7208.444479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7208.444479][ T10] netlink_rcv_skb+0x130/0x360 [ 7208.444479][ T10] netlink_unicast+0x449/0x710 [ 7208.444479][ T10] netlink_sendmsg+0x723/0xbe0 [ 7208.444479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7208.444479][ T10] ___sys_sendmsg+0xee/0x170 [ 7208.444479][ T10] __sys_sendmsg+0xcd/0x170 [ 7208.444479][ T10] do_syscall_64+0xc6/0x1e0 [ 7208.444479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7208.444479][ T10] [ 7208.446738][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7208.446738][ T10] netdev_get_by_index+0x5e/0x80 [ 7208.446738][ T10] fib6_nh_init+0x3d8/0x1580 [ 7208.446738][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7208.446738][ T10] ip6_route_add+0x1c/0x140 [ 7208.446738][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7208.446738][ T10] addrconf_add_dev+0xe2/0x170 [ 7208.446738][ T10] inet6_addr_add+0x12f/0xa40 [ 7208.446738][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7208.446738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7208.446738][ T10] netlink_rcv_skb+0x130/0x360 [ 7208.446738][ T10] netlink_unicast+0x449/0x710 [ 7208.446738][ T10] netlink_sendmsg+0x723/0xbe0 [ 7208.446738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7208.446738][ T10] ___sys_sendmsg+0xee/0x170 [ 7208.446738][ T10] __sys_sendmsg+0xcd/0x170 [ 7208.446738][ T10] do_syscall_64+0xc6/0x1e0 [ 7208.446738][ T10] [ 7208.448954][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7208.448954][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7208.448954][ T10] ipv6_find_idev+0x102/0x170 [ 7208.448954][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7208.448954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7208.448954][ T10] netlink_rcv_skb+0x130/0x360 [ 7208.448954][ T10] netlink_unicast+0x449/0x710 [ 7208.448954][ T10] netlink_sendmsg+0x723/0xbe0 [ 7208.448954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7208.448954][ T10] ___sys_sendmsg+0xee/0x170 [ 7208.448954][ T10] __sys_sendmsg+0xcd/0x170 [ 7208.448954][ T10] do_syscall_64+0xc6/0x1e0 [ 7208.448954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7208.448954][ T10] [ 7208.450682][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7208.450682][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7208.450682][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7208.450682][ T10] ipv6_find_idev+0x102/0x170 [ 7208.450682][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7208.450682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7208.450682][ T10] netlink_rcv_skb+0x130/0x360 [ 7208.450682][ T10] netlink_unicast+0x449/0x710 [ 7208.450682][ T10] netlink_sendmsg+0x723/0xbe0 [ 7208.450682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7208.450682][ T10] ___sys_sendmsg+0xee/0x170 [ 7208.450682][ T10] __sys_sendmsg+0xcd/0x170 [ 7208.450682][ T10] do_syscall_64+0xc6/0x1e0 [ 7208.450682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7208.450682][ T10] [ 7208.452573][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7208.452875][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7208.452875][ T10] netdev_get_by_index+0x5e/0x80 [ 7208.452875][ T10] fib6_nh_init+0x3d8/0x1580 [ 7208.452875][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7208.452875][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7208.452875][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7208.452875][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7208.452875][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7208.452875][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7208.452875][ T10] addrconf_dad_begin+0x310/0x670 [ 7208.452875][ T10] addrconf_dad_work+0x10b/0xab0 [ 7208.452875][ T10] process_one_work+0x84d/0x18a0 [ 7208.452875][ T10] worker_thread+0x587/0xd30 [ 7208.452875][ T10] kthread+0x28a/0x350 [ 7208.452875][ T10] ret_from_fork+0x31/0x70 [ 7208.452875][ T10] ret_from_fork_asm+0x1a/0x30 [ 7208.452875][ T10] [ 7208.454985][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7208.454985][ T10] netdev_get_by_index+0x5e/0x80 [ 7208.454985][ T10] fib6_nh_init+0x3d8/0x1580 [ 7208.454985][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7208.454985][ T10] ip6_route_add+0x1c/0x140 [ 7208.454985][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7208.454985][ T10] inet6_addr_add+0x4f8/0xa40 [ 7208.454985][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7208.454985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7208.454985][ T10] netlink_rcv_skb+0x130/0x360 [ 7208.454985][ T10] netlink_unicast+0x449/0x710 [ 7208.454985][ T10] netlink_sendmsg+0x723/0xbe0 [ 7208.454985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7208.454985][ T10] ___sys_sendmsg+0xee/0x170 [ 7208.454985][ T10] __sys_sendmsg+0xcd/0x170 [ 7208.454985][ T10] do_syscall_64+0xc6/0x1e0 [ 7208.454985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7208.454985][ T10] [ 7208.457236][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7208.457236][ T10] netdev_get_by_index+0x5e/0x80 [ 7208.457236][ T10] fib6_nh_init+0x3d8/0x1580 [ 7208.457236][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7208.457236][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7208.457236][ T10] ipv6_add_addr+0x411/0x2000 [ 7208.457236][ T10] inet6_addr_add+0x30e/0xa40 [ 7208.457236][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7208.457236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7208.457236][ T10] netlink_rcv_skb+0x130/0x360 [ 7208.457236][ T10] netlink_unicast+0x449/0x710 [ 7208.457236][ T10] netlink_sendmsg+0x723/0xbe0 [ 7208.457236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7208.457236][ T10] ___sys_sendmsg+0xee/0x170 [ 7208.457236][ T10] __sys_sendmsg+0xcd/0x170 [ 7208.457236][ T10] do_syscall_64+0xc6/0x1e0 [ 7208.457236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7208.457236][ T10] [ 7208.459490][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7208.459490][ T10] netdev_get_by_index+0x5e/0x80 [ 7208.459490][ T10] fib6_nh_init+0x3d8/0x1580 [ 7208.459490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7208.459490][ T10] ip6_route_add+0x1c/0x140 [ 7208.459490][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7208.459490][ T10] addrconf_add_dev+0xe2/0x170 [ 7208.459490][ T10] inet6_addr_add+0x12f/0xa40 [ 7208.459490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7208.459490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7208.459490][ T10] netlink_rcv_skb+0x130/0x360 [ 7208.459490][ T10] netlink_unicast+0x449/0x710 [ 7208.459490][ T10] netlink_sendmsg+0x723/0xbe0 [ 7208.459490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7208.459490][ T10] ___sys_sendmsg+0xee/0x170 [ 7208.459490][ T10] __sys_sendmsg+0xcd/0x170 [ 7208.459490][ T10] do_syscall_64+0xc6/0x1e0 [ 7208.459490][ T10] [ 7208.461764][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7208.461764][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7208.461764][ T10] ipv6_find_idev+0x102/0x170 [ 7208.461764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7208.461764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7208.461764][ T10] netlink_rcv_skb+0x130/0x360 [ 7208.461764][ T10] netlink_unicast+0x449/0x710 [ 7208.461764][ T10] netlink_sendmsg+0x723/0xbe0 [ 7208.461764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7208.461764][ T10] ___sys_sendmsg+0xee/0x170 [ 7208.461764][ T10] __sys_sendmsg+0xcd/0x170 [ 7208.461764][ T10] do_syscall_64+0xc6/0x1e0 [ 7208.461764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7208.461764][ T10] [ 7208.463496][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7208.463496][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7208.463496][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7208.463496][ T10] ipv6_find_idev+0x102/0x170 [ 7208.463496][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7208.463496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7208.463496][ T10] netlink_rcv_skb+0x130/0x360 [ 7208.463496][ T10] netlink_unicast+0x449/0x710 [ 7208.463496][ T10] netlink_sendmsg+0x723/0xbe0 [ 7208.463496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7208.463496][ T10] ___sys_sendmsg+0xee/0x170 [ 7208.463496][ T10] __sys_sendmsg+0xcd/0x170 [ 7208.463496][ T10] do_syscall_64+0xc6/0x1e0 [ 7208.463496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7208.463496][ T10] [ 7213.425044][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7213.425556][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7213.425556][ T1167] dst_init+0x84/0x4a0 [ 7213.425556][ T1167] dst_alloc+0x97/0x150 [ 7213.425556][ T1167] ip6_dst_alloc+0x23/0x90 [ 7213.425556][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7213.425556][ T1167] ip6_pol_route+0x56f/0x840 [ 7213.425556][ T1167] fib6_rule_lookup+0x334/0x630 [ 7213.425556][ T1167] ip6_route_output_flags+0x259/0x480 [ 7213.425556][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7213.425556][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7213.425556][ T1167] netlink_rcv_skb+0x130/0x360 [ 7213.425556][ T1167] netlink_unicast+0x449/0x710 [ 7213.425556][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7213.425556][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7213.425556][ T1167] ___sys_sendmsg+0xee/0x170 [ 7213.425556][ T1167] __sys_sendmsg+0xcd/0x170 [ 7213.425556][ T1167] do_syscall_64+0xc6/0x1e0 [ 7213.425556][ T1167] [ 7213.427971][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7213.427971][ T1167] netdev_get_by_index+0x5e/0x80 [ 7213.427971][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7213.427971][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7213.427971][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7213.427971][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7213.427971][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7213.427971][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7213.427971][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7213.427971][ T1167] addrconf_dad_begin+0x310/0x670 [ 7213.427971][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7213.427971][ T1167] process_one_work+0x84d/0x18a0 [ 7213.427971][ T1167] worker_thread+0x587/0xd30 [ 7213.427971][ T1167] kthread+0x28a/0x350 [ 7213.427971][ T1167] ret_from_fork+0x31/0x70 [ 7213.427971][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7213.427971][ T1167] [ 7213.430336][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7213.430336][ T1167] netdev_get_by_index+0x5e/0x80 [ 7213.430336][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7213.430336][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7213.430336][ T1167] ip6_route_add+0x1c/0x140 [ 7213.430336][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7213.430336][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7213.430336][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7213.430336][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7213.430336][ T1167] netlink_rcv_skb+0x130/0x360 [ 7213.430336][ T1167] netlink_unicast+0x449/0x710 [ 7213.430336][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7213.430336][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7213.430336][ T1167] ___sys_sendmsg+0xee/0x170 [ 7213.430336][ T1167] __sys_sendmsg+0xcd/0x170 [ 7213.430336][ T1167] do_syscall_64+0xc6/0x1e0 [ 7213.430336][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7213.430336][ T1167] [ 7213.432805][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7213.432805][ T1167] netdev_get_by_index+0x5e/0x80 [ 7213.432805][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7213.432805][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7213.432805][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7213.432805][ T1167] ipv6_add_addr+0x411/0x2000 [ 7213.432805][ T1167] inet6_addr_add+0x30e/0xa40 [ 7213.432805][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7213.432805][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7213.432805][ T1167] netlink_rcv_skb+0x130/0x360 [ 7213.432805][ T1167] netlink_unicast+0x449/0x710 [ 7213.432805][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7213.432805][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7213.432805][ T1167] ___sys_sendmsg+0xee/0x170 [ 7213.432805][ T1167] __sys_sendmsg+0xcd/0x170 [ 7213.432805][ T1167] do_syscall_64+0xc6/0x1e0 [ 7213.432805][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7213.432805][ T1167] [ 7213.435280][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7213.435280][ T1167] netdev_get_by_index+0x5e/0x80 [ 7213.435280][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7213.435280][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7213.435280][ T1167] ip6_route_add+0x1c/0x140 [ 7213.435280][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7213.435280][ T1167] addrconf_add_dev+0xe2/0x170 [ 7213.435280][ T1167] inet6_addr_add+0x12f/0xa40 [ 7213.435280][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7213.435280][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7213.435280][ T1167] netlink_rcv_skb+0x130/0x360 [ 7213.435280][ T1167] netlink_unicast+0x449/0x710 [ 7213.435280][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7213.435280][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7213.435280][ T1167] ___sys_sendmsg+0xee/0x170 [ 7213.435280][ T1167] __sys_sendmsg+0xcd/0x170 [ 7213.435280][ T1167] do_syscall_64+0xc6/0x1e0 [ 7213.435280][ T1167] [ 7213.437698][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7213.437698][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7213.437698][ T1167] ipv6_find_idev+0x102/0x170 [ 7213.437698][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7213.437698][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7213.437698][ T1167] netlink_rcv_skb+0x130/0x360 [ 7213.437698][ T1167] netlink_unicast+0x449/0x710 [ 7213.437698][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7213.437698][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7213.437698][ T1167] ___sys_sendmsg+0xee/0x170 [ 7213.437698][ T1167] __sys_sendmsg+0xcd/0x170 [ 7213.437698][ T1167] do_syscall_64+0xc6/0x1e0 [ 7213.437698][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7213.437698][ T1167] [ 7213.439591][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7213.439591][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7213.439591][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7213.439591][ T1167] ipv6_find_idev+0x102/0x170 [ 7213.439591][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7213.439591][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7213.439591][ T1167] netlink_rcv_skb+0x130/0x360 [ 7213.439591][ T1167] netlink_unicast+0x449/0x710 [ 7213.439591][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7213.439591][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7213.439591][ T1167] ___sys_sendmsg+0xee/0x170 [ 7213.439591][ T1167] __sys_sendmsg+0xcd/0x170 [ 7213.439591][ T1167] do_syscall_64+0xc6/0x1e0 [ 7213.439591][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7213.439591][ T1167] [ 7218.721110][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7218.721517][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7218.721517][ T10] netdev_get_by_index+0x5e/0x80 [ 7218.721517][ T10] fib6_nh_init+0x3d8/0x1580 [ 7218.721517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7218.721517][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7218.721517][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7218.721517][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7218.721517][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7218.721517][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7218.721517][ T10] addrconf_dad_begin+0x310/0x670 [ 7218.721517][ T10] addrconf_dad_work+0x10b/0xab0 [ 7218.721517][ T10] process_one_work+0x84d/0x18a0 [ 7218.721517][ T10] worker_thread+0x587/0xd30 [ 7218.721517][ T10] kthread+0x28a/0x350 [ 7218.721517][ T10] ret_from_fork+0x31/0x70 [ 7218.721517][ T10] ret_from_fork_asm+0x1a/0x30 [ 7218.721517][ T10] [ 7218.723499][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7218.723499][ T10] netdev_get_by_index+0x5e/0x80 [ 7218.723499][ T10] fib6_nh_init+0x3d8/0x1580 [ 7218.723499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7218.723499][ T10] ip6_route_add+0x1c/0x140 [ 7218.723499][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7218.723499][ T10] inet6_addr_add+0x4f8/0xa40 [ 7218.723499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7218.723499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7218.723499][ T10] netlink_rcv_skb+0x130/0x360 [ 7218.723499][ T10] netlink_unicast+0x449/0x710 [ 7218.723499][ T10] netlink_sendmsg+0x723/0xbe0 [ 7218.723499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7218.723499][ T10] ___sys_sendmsg+0xee/0x170 [ 7218.723499][ T10] __sys_sendmsg+0xcd/0x170 [ 7218.723499][ T10] do_syscall_64+0xc6/0x1e0 [ 7218.723499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7218.723499][ T10] [ 7218.725537][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7218.725537][ T10] netdev_get_by_index+0x5e/0x80 [ 7218.725537][ T10] fib6_nh_init+0x3d8/0x1580 [ 7218.725537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7218.725537][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7218.725537][ T10] ipv6_add_addr+0x411/0x2000 [ 7218.725537][ T10] inet6_addr_add+0x30e/0xa40 [ 7218.725537][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7218.725537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7218.725537][ T10] netlink_rcv_skb+0x130/0x360 [ 7218.725537][ T10] netlink_unicast+0x449/0x710 [ 7218.725537][ T10] netlink_sendmsg+0x723/0xbe0 [ 7218.725537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7218.725537][ T10] ___sys_sendmsg+0xee/0x170 [ 7218.725537][ T10] __sys_sendmsg+0xcd/0x170 [ 7218.725537][ T10] do_syscall_64+0xc6/0x1e0 [ 7218.725537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7218.725537][ T10] [ 7218.727558][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7218.727558][ T10] netdev_get_by_index+0x5e/0x80 [ 7218.727558][ T10] fib6_nh_init+0x3d8/0x1580 [ 7218.727558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7218.727558][ T10] ip6_route_add+0x1c/0x140 [ 7218.727558][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7218.727558][ T10] addrconf_add_dev+0xe2/0x170 [ 7218.727558][ T10] inet6_addr_add+0x12f/0xa40 [ 7218.727558][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7218.727558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7218.727558][ T10] netlink_rcv_skb+0x130/0x360 [ 7218.727558][ T10] netlink_unicast+0x449/0x710 [ 7218.727558][ T10] netlink_sendmsg+0x723/0xbe0 [ 7218.727558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7218.727558][ T10] ___sys_sendmsg+0xee/0x170 [ 7218.727558][ T10] __sys_sendmsg+0xcd/0x170 [ 7218.727558][ T10] do_syscall_64+0xc6/0x1e0 [ 7218.727558][ T10] [ 7218.729546][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7218.729546][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7218.729546][ T10] ipv6_find_idev+0x102/0x170 [ 7218.729546][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7218.729546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7218.729546][ T10] netlink_rcv_skb+0x130/0x360 [ 7218.729546][ T10] netlink_unicast+0x449/0x710 [ 7218.729546][ T10] netlink_sendmsg+0x723/0xbe0 [ 7218.729546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7218.729546][ T10] ___sys_sendmsg+0xee/0x170 [ 7218.729546][ T10] __sys_sendmsg+0xcd/0x170 [ 7218.729546][ T10] do_syscall_64+0xc6/0x1e0 [ 7218.729546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7218.729546][ T10] [ 7218.731105][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7218.731105][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7218.731105][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7218.731105][ T10] ipv6_find_idev+0x102/0x170 [ 7218.731105][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7218.731105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7218.731105][ T10] netlink_rcv_skb+0x130/0x360 [ 7218.731105][ T10] netlink_unicast+0x449/0x710 [ 7218.731105][ T10] netlink_sendmsg+0x723/0xbe0 [ 7218.731105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7218.731105][ T10] ___sys_sendmsg+0xee/0x170 [ 7218.731105][ T10] __sys_sendmsg+0xcd/0x170 [ 7218.731105][ T10] do_syscall_64+0xc6/0x1e0 [ 7218.731105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7218.731105][ T10] [ 7218.732808][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7218.733072][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7218.733072][ T10] netdev_get_by_index+0x5e/0x80 [ 7218.733072][ T10] fib6_nh_init+0x3d8/0x1580 [ 7218.733072][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7218.733072][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7218.733072][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7218.733072][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7218.733072][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7218.733072][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7218.733072][ T10] addrconf_dad_begin+0x310/0x670 [ 7218.733072][ T10] addrconf_dad_work+0x10b/0xab0 [ 7218.733072][ T10] process_one_work+0x84d/0x18a0 [ 7218.733072][ T10] worker_thread+0x587/0xd30 [ 7218.733072][ T10] kthread+0x28a/0x350 [ 7218.733072][ T10] ret_from_fork+0x31/0x70 [ 7218.733072][ T10] ret_from_fork_asm+0x1a/0x30 [ 7218.733072][ T10] [ 7218.735158][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7218.735158][ T10] netdev_get_by_index+0x5e/0x80 [ 7218.735158][ T10] fib6_nh_init+0x3d8/0x1580 [ 7218.735158][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7218.735158][ T10] ip6_route_add+0x1c/0x140 [ 7218.735158][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7218.735158][ T10] inet6_addr_add+0x4f8/0xa40 [ 7218.735158][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7218.735158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7218.735158][ T10] netlink_rcv_skb+0x130/0x360 [ 7218.735158][ T10] netlink_unicast+0x449/0x710 [ 7218.735158][ T10] netlink_sendmsg+0x723/0xbe0 [ 7218.735158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7218.735158][ T10] ___sys_sendmsg+0xee/0x170 [ 7218.735158][ T10] __sys_sendmsg+0xcd/0x170 [ 7218.735158][ T10] do_syscall_64+0xc6/0x1e0 [ 7218.735158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7218.735158][ T10] [ 7218.737199][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7218.737199][ T10] netdev_get_by_index+0x5e/0x80 [ 7218.737199][ T10] fib6_nh_init+0x3d8/0x1580 [ 7218.737199][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7218.737199][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7218.737199][ T10] ipv6_add_addr+0x411/0x2000 [ 7218.737199][ T10] inet6_addr_add+0x30e/0xa40 [ 7218.737199][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7218.737199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7218.737199][ T10] netlink_rcv_skb+0x130/0x360 [ 7218.737199][ T10] netlink_unicast+0x449/0x710 [ 7218.737199][ T10] netlink_sendmsg+0x723/0xbe0 [ 7218.737199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7218.737199][ T10] ___sys_sendmsg+0xee/0x170 [ 7218.737199][ T10] __sys_sendmsg+0xcd/0x170 [ 7218.737199][ T10] do_syscall_64+0xc6/0x1e0 [ 7218.737199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7218.737199][ T10] [ 7218.739225][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7218.739225][ T10] netdev_get_by_index+0x5e/0x80 [ 7218.739225][ T10] fib6_nh_init+0x3d8/0x1580 [ 7218.739225][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7218.739225][ T10] ip6_route_add+0x1c/0x140 [ 7218.739225][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7218.739225][ T10] addrconf_add_dev+0xe2/0x170 [ 7218.739225][ T10] inet6_addr_add+0x12f/0xa40 [ 7218.739225][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7218.739225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7218.739225][ T10] netlink_rcv_skb+0x130/0x360 [ 7218.739225][ T10] netlink_unicast+0x449/0x710 [ 7218.739225][ T10] netlink_sendmsg+0x723/0xbe0 [ 7218.739225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7218.739225][ T10] ___sys_sendmsg+0xee/0x170 [ 7218.739225][ T10] __sys_sendmsg+0xcd/0x170 [ 7218.739225][ T10] do_syscall_64+0xc6/0x1e0 [ 7218.739225][ T10] [ 7218.741205][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7218.741205][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7218.741205][ T10] ipv6_find_idev+0x102/0x170 [ 7218.741205][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7218.741205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7218.741205][ T10] netlink_rcv_skb+0x130/0x360 [ 7218.741205][ T10] netlink_unicast+0x449/0x710 [ 7218.741205][ T10] netlink_sendmsg+0x723/0xbe0 [ 7218.741205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7218.741205][ T10] ___sys_sendmsg+0xee/0x170 [ 7218.741205][ T10] __sys_sendmsg+0xcd/0x170 [ 7218.741205][ T10] do_syscall_64+0xc6/0x1e0 [ 7218.741205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7218.741205][ T10] [ 7218.742761][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7218.742761][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7218.742761][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7218.742761][ T10] ipv6_find_idev+0x102/0x170 [ 7218.742761][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7218.742761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7218.742761][ T10] netlink_rcv_skb+0x130/0x360 [ 7218.742761][ T10] netlink_unicast+0x449/0x710 [ 7218.742761][ T10] netlink_sendmsg+0x723/0xbe0 [ 7218.742761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7218.742761][ T10] ___sys_sendmsg+0xee/0x170 [ 7218.742761][ T10] __sys_sendmsg+0xcd/0x170 [ 7218.742761][ T10] do_syscall_64+0xc6/0x1e0 [ 7218.742761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7218.742761][ T10] [ 7218.744490][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7218.744731][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7218.744731][ T10] netdev_get_by_index+0x5e/0x80 [ 7218.744731][ T10] fib6_nh_init+0x3d8/0x1580 [ 7218.744731][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7218.744731][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7218.744731][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7218.744731][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7218.744731][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7218.744731][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7218.744731][ T10] addrconf_dad_begin+0x310/0x670 [ 7218.744731][ T10] addrconf_dad_work+0x10b/0xab0 [ 7218.744731][ T10] process_one_work+0x84d/0x18a0 [ 7218.744731][ T10] worker_thread+0x587/0xd30 [ 7218.744731][ T10] kthread+0x28a/0x350 [ 7218.744731][ T10] ret_from_fork+0x31/0x70 [ 7218.744731][ T10] ret_from_fork_asm+0x1a/0x30 [ 7218.744731][ T10] [ 7218.746661][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7218.746661][ T10] netdev_get_by_index+0x5e/0x80 [ 7218.746661][ T10] fib6_nh_init+0x3d8/0x1580 [ 7218.746661][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7218.746661][ T10] ip6_route_add+0x1c/0x140 [ 7218.746661][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7218.746661][ T10] inet6_addr_add+0x4f8/0xa40 [ 7218.746661][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7218.746661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7218.746661][ T10] netlink_rcv_skb+0x130/0x360 [ 7218.746661][ T10] netlink_unicast+0x449/0x710 [ 7218.746661][ T10] netlink_sendmsg+0x723/0xbe0 [ 7218.746661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7218.746661][ T10] ___sys_sendmsg+0xee/0x170 [ 7218.746661][ T10] __sys_sendmsg+0xcd/0x170 [ 7218.746661][ T10] do_syscall_64+0xc6/0x1e0 [ 7218.746661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7218.746661][ T10] [ 7218.748861][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7218.748861][ T10] netdev_get_by_index+0x5e/0x80 [ 7218.748861][ T10] fib6_nh_init+0x3d8/0x1580 [ 7218.748861][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7218.748861][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7218.748861][ T10] ipv6_add_addr+0x411/0x2000 [ 7218.748861][ T10] inet6_addr_add+0x30e/0xa40 [ 7218.748861][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7218.748861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7218.748861][ T10] netlink_rcv_skb+0x130/0x360 [ 7218.748861][ T10] netlink_unicast+0x449/0x710 [ 7218.748861][ T10] netlink_sendmsg+0x723/0xbe0 [ 7218.748861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7218.748861][ T10] ___sys_sendmsg+0xee/0x170 [ 7218.748861][ T10] __sys_sendmsg+0xcd/0x170 [ 7218.748861][ T10] do_syscall_64+0xc6/0x1e0 [ 7218.748861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7218.748861][ T10] [ 7218.751021][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7218.751021][ T10] netdev_get_by_index+0x5e/0x80 [ 7218.751021][ T10] fib6_nh_init+0x3d8/0x1580 [ 7218.751021][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7218.751021][ T10] ip6_route_add+0x1c/0x140 [ 7218.751021][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7218.751021][ T10] addrconf_add_dev+0xe2/0x170 [ 7218.751021][ T10] inet6_addr_add+0x12f/0xa40 [ 7218.751021][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7218.751021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7218.751021][ T10] netlink_rcv_skb+0x130/0x360 [ 7218.751021][ T10] netlink_unicast+0x449/0x710 [ 7218.751021][ T10] netlink_sendmsg+0x723/0xbe0 [ 7218.751021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7218.751021][ T10] ___sys_sendmsg+0xee/0x170 [ 7218.751021][ T10] __sys_sendmsg+0xcd/0x170 [ 7218.751021][ T10] do_syscall_64+0xc6/0x1e0 [ 7218.751021][ T10] [ 7218.753064][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7218.753064][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7218.753064][ T10] ipv6_find_idev+0x102/0x170 [ 7218.753064][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7218.753064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7218.753064][ T10] netlink_rcv_skb+0x130/0x360 [ 7218.753064][ T10] netlink_unicast+0x449/0x710 [ 7218.753064][ T10] netlink_sendmsg+0x723/0xbe0 [ 7218.753064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7218.753064][ T10] ___sys_sendmsg+0xee/0x170 [ 7218.753064][ T10] __sys_sendmsg+0xcd/0x170 [ 7218.753064][ T10] do_syscall_64+0xc6/0x1e0 [ 7218.753064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7218.753064][ T10] [ 7218.754781][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7218.754781][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7218.754781][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7218.754781][ T10] ipv6_find_idev+0x102/0x170 [ 7218.754781][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7218.754781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7218.754781][ T10] netlink_rcv_skb+0x130/0x360 [ 7218.754781][ T10] netlink_unicast+0x449/0x710 [ 7218.754781][ T10] netlink_sendmsg+0x723/0xbe0 [ 7218.754781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7218.754781][ T10] ___sys_sendmsg+0xee/0x170 [ 7218.754781][ T10] __sys_sendmsg+0xcd/0x170 [ 7218.754781][ T10] do_syscall_64+0xc6/0x1e0 [ 7218.754781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7218.754781][ T10] [ 7218.756631][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7218.756868][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7218.756868][ T10] netdev_get_by_index+0x5e/0x80 [ 7218.756868][ T10] fib6_nh_init+0x3d8/0x1580 [ 7218.756868][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7218.756868][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7218.756868][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7218.756868][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7218.756868][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7218.756868][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7218.756868][ T10] addrconf_dad_begin+0x310/0x670 [ 7218.756868][ T10] addrconf_dad_work+0x10b/0xab0 [ 7218.756868][ T10] process_one_work+0x84d/0x18a0 [ 7218.756868][ T10] worker_thread+0x587/0xd30 [ 7218.756868][ T10] kthread+0x28a/0x350 [ 7218.756868][ T10] ret_from_fork+0x31/0x70 [ 7218.756868][ T10] ret_from_fork_asm+0x1a/0x30 [ 7218.756868][ T10] [ 7218.758947][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7218.758947][ T10] netdev_get_by_index+0x5e/0x80 [ 7218.758947][ T10] fib6_nh_init+0x3d8/0x1580 [ 7218.758947][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7218.758947][ T10] ip6_route_add+0x1c/0x140 [ 7218.758947][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7218.758947][ T10] inet6_addr_add+0x4f8/0xa40 [ 7218.758947][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7218.758947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7218.758947][ T10] netlink_rcv_skb+0x130/0x360 [ 7218.758947][ T10] netlink_unicast+0x449/0x710 [ 7218.758947][ T10] netlink_sendmsg+0x723/0xbe0 [ 7218.758947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7218.758947][ T10] ___sys_sendmsg+0xee/0x170 [ 7218.758947][ T10] __sys_sendmsg+0xcd/0x170 [ 7218.758947][ T10] do_syscall_64+0xc6/0x1e0 [ 7218.758947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7218.758947][ T10] [ 7218.761103][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7218.761103][ T10] netdev_get_by_index+0x5e/0x80 [ 7218.761103][ T10] fib6_nh_init+0x3d8/0x1580 [ 7218.761103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7218.761103][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7218.761103][ T10] ipv6_add_addr+0x411/0x2000 [ 7218.761103][ T10] inet6_addr_add+0x30e/0xa40 [ 7218.761103][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7218.761103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7218.761103][ T10] netlink_rcv_skb+0x130/0x360 [ 7218.761103][ T10] netlink_unicast+0x449/0x710 [ 7218.761103][ T10] netlink_sendmsg+0x723/0xbe0 [ 7218.761103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7218.761103][ T10] ___sys_sendmsg+0xee/0x170 [ 7218.761103][ T10] __sys_sendmsg+0xcd/0x170 [ 7218.761103][ T10] do_syscall_64+0xc6/0x1e0 [ 7218.761103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7218.761103][ T10] [ 7218.763284][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7218.763284][ T10] netdev_get_by_index+0x5e/0x80 [ 7218.763284][ T10] fib6_nh_init+0x3d8/0x1580 [ 7218.763284][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7218.763284][ T10] ip6_route_add+0x1c/0x140 [ 7218.763284][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7218.763284][ T10] addrconf_add_dev+0xe2/0x170 [ 7218.763284][ T10] inet6_addr_add+0x12f/0xa40 [ 7218.763284][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7218.763284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7218.763284][ T10] netlink_rcv_skb+0x130/0x360 [ 7218.763284][ T10] netlink_unicast+0x449/0x710 [ 7218.763284][ T10] netlink_sendmsg+0x723/0xbe0 [ 7218.763284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7218.763284][ T10] ___sys_sendmsg+0xee/0x170 [ 7218.763284][ T10] __sys_sendmsg+0xcd/0x170 [ 7218.763284][ T10] do_syscall_64+0xc6/0x1e0 [ 7218.763284][ T10] [ 7218.765420][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7218.765420][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7218.765420][ T10] ipv6_find_idev+0x102/0x170 [ 7218.765420][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7218.765420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7218.765420][ T10] netlink_rcv_skb+0x130/0x360 [ 7218.765420][ T10] netlink_unicast+0x449/0x710 [ 7218.765420][ T10] netlink_sendmsg+0x723/0xbe0 [ 7218.765420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7218.765420][ T10] ___sys_sendmsg+0xee/0x170 [ 7218.765420][ T10] __sys_sendmsg+0xcd/0x170 [ 7218.765420][ T10] do_syscall_64+0xc6/0x1e0 [ 7218.765420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7218.765420][ T10] [ 7218.767041][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7218.767041][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7218.767041][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7218.767041][ T10] ipv6_find_idev+0x102/0x170 [ 7218.767041][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7218.767041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7218.767041][ T10] netlink_rcv_skb+0x130/0x360 [ 7218.767041][ T10] netlink_unicast+0x449/0x710 [ 7218.767041][ T10] netlink_sendmsg+0x723/0xbe0 [ 7218.767041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7218.767041][ T10] ___sys_sendmsg+0xee/0x170 [ 7218.767041][ T10] __sys_sendmsg+0xcd/0x170 [ 7218.767041][ T10] do_syscall_64+0xc6/0x1e0 [ 7218.767041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7218.767041][ T10] [ 7223.689125][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7223.689659][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7223.689659][ T1167] dst_init+0x84/0x4a0 [ 7223.689659][ T1167] dst_alloc+0x97/0x150 [ 7223.689659][ T1167] ip6_dst_alloc+0x23/0x90 [ 7223.689659][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7223.689659][ T1167] ip6_pol_route+0x56f/0x840 [ 7223.689659][ T1167] fib6_rule_lookup+0x334/0x630 [ 7223.689659][ T1167] ip6_route_output_flags+0x259/0x480 [ 7223.689659][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7223.689659][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7223.689659][ T1167] netlink_rcv_skb+0x130/0x360 [ 7223.689659][ T1167] netlink_unicast+0x449/0x710 [ 7223.689659][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7223.689659][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7223.689659][ T1167] ___sys_sendmsg+0xee/0x170 [ 7223.689659][ T1167] __sys_sendmsg+0xcd/0x170 [ 7223.689659][ T1167] do_syscall_64+0xc6/0x1e0 [ 7223.689659][ T1167] [ 7223.692101][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7223.692101][ T1167] netdev_get_by_index+0x5e/0x80 [ 7223.692101][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7223.692101][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7223.692101][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7223.692101][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7223.692101][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7223.692101][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7223.692101][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7223.692101][ T1167] addrconf_dad_begin+0x310/0x670 [ 7223.692101][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7223.692101][ T1167] process_one_work+0x84d/0x18a0 [ 7223.692101][ T1167] worker_thread+0x587/0xd30 [ 7223.692101][ T1167] kthread+0x28a/0x350 [ 7223.692101][ T1167] ret_from_fork+0x31/0x70 [ 7223.692101][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7223.692101][ T1167] [ 7223.694460][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7223.694460][ T1167] netdev_get_by_index+0x5e/0x80 [ 7223.694460][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7223.694460][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7223.694460][ T1167] ip6_route_add+0x1c/0x140 [ 7223.694460][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7223.694460][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7223.694460][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7223.694460][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7223.694460][ T1167] netlink_rcv_skb+0x130/0x360 [ 7223.694460][ T1167] netlink_unicast+0x449/0x710 [ 7223.694460][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7223.694460][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7223.694460][ T1167] ___sys_sendmsg+0xee/0x170 [ 7223.694460][ T1167] __sys_sendmsg+0xcd/0x170 [ 7223.694460][ T1167] do_syscall_64+0xc6/0x1e0 [ 7223.694460][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7223.694460][ T1167] [ 7223.696896][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7223.696896][ T1167] netdev_get_by_index+0x5e/0x80 [ 7223.696896][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7223.696896][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7223.696896][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7223.696896][ T1167] ipv6_add_addr+0x411/0x2000 [ 7223.696896][ T1167] inet6_addr_add+0x30e/0xa40 [ 7223.696896][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7223.696896][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7223.696896][ T1167] netlink_rcv_skb+0x130/0x360 [ 7223.696896][ T1167] netlink_unicast+0x449/0x710 [ 7223.696896][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7223.696896][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7223.696896][ T1167] ___sys_sendmsg+0xee/0x170 [ 7223.696896][ T1167] __sys_sendmsg+0xcd/0x170 [ 7223.696896][ T1167] do_syscall_64+0xc6/0x1e0 [ 7223.696896][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7223.696896][ T1167] [ 7223.699359][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7223.699359][ T1167] netdev_get_by_index+0x5e/0x80 [ 7223.699359][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7223.699359][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7223.699359][ T1167] ip6_route_add+0x1c/0x140 [ 7223.699359][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7223.699359][ T1167] addrconf_add_dev+0xe2/0x170 [ 7223.699359][ T1167] inet6_addr_add+0x12f/0xa40 [ 7223.699359][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7223.699359][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7223.699359][ T1167] netlink_rcv_skb+0x130/0x360 [ 7223.699359][ T1167] netlink_unicast+0x449/0x710 [ 7223.699359][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7223.699359][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7223.699359][ T1167] ___sys_sendmsg+0xee/0x170 [ 7223.699359][ T1167] __sys_sendmsg+0xcd/0x170 [ 7223.699359][ T1167] do_syscall_64+0xc6/0x1e0 [ 7223.699359][ T1167] [ 7223.701782][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7223.701782][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7223.701782][ T1167] ipv6_find_idev+0x102/0x170 [ 7223.701782][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7223.701782][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7223.701782][ T1167] netlink_rcv_skb+0x130/0x360 [ 7223.701782][ T1167] netlink_unicast+0x449/0x710 [ 7223.701782][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7223.701782][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7223.701782][ T1167] ___sys_sendmsg+0xee/0x170 [ 7223.701782][ T1167] __sys_sendmsg+0xcd/0x170 [ 7223.701782][ T1167] do_syscall_64+0xc6/0x1e0 [ 7223.701782][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7223.701782][ T1167] [ 7223.703821][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7223.703821][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7223.703821][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7223.703821][ T1167] ipv6_find_idev+0x102/0x170 [ 7223.703821][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7223.703821][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7223.703821][ T1167] netlink_rcv_skb+0x130/0x360 [ 7223.703821][ T1167] netlink_unicast+0x449/0x710 [ 7223.703821][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7223.703821][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7223.703821][ T1167] ___sys_sendmsg+0xee/0x170 [ 7223.703821][ T1167] __sys_sendmsg+0xcd/0x170 [ 7223.703821][ T1167] do_syscall_64+0xc6/0x1e0 [ 7223.703821][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7223.703821][ T1167] [ 7229.025105][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7229.025524][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7229.025524][ T10] netdev_get_by_index+0x5e/0x80 [ 7229.025524][ T10] fib6_nh_init+0x3d8/0x1580 [ 7229.025524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7229.025524][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7229.025524][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7229.025524][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7229.025524][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7229.025524][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7229.025524][ T10] addrconf_dad_begin+0x310/0x670 [ 7229.025524][ T10] addrconf_dad_work+0x10b/0xab0 [ 7229.025524][ T10] process_one_work+0x84d/0x18a0 [ 7229.025524][ T10] worker_thread+0x587/0xd30 [ 7229.025524][ T10] kthread+0x28a/0x350 [ 7229.025524][ T10] ret_from_fork+0x31/0x70 [ 7229.025524][ T10] ret_from_fork_asm+0x1a/0x30 [ 7229.025524][ T10] [ 7229.027497][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7229.027497][ T10] netdev_get_by_index+0x5e/0x80 [ 7229.027497][ T10] fib6_nh_init+0x3d8/0x1580 [ 7229.027497][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7229.027497][ T10] ip6_route_add+0x1c/0x140 [ 7229.027497][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7229.027497][ T10] inet6_addr_add+0x4f8/0xa40 [ 7229.027497][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7229.027497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7229.027497][ T10] netlink_rcv_skb+0x130/0x360 [ 7229.027497][ T10] netlink_unicast+0x449/0x710 [ 7229.027497][ T10] netlink_sendmsg+0x723/0xbe0 [ 7229.027497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7229.027497][ T10] ___sys_sendmsg+0xee/0x170 [ 7229.027497][ T10] __sys_sendmsg+0xcd/0x170 [ 7229.027497][ T10] do_syscall_64+0xc6/0x1e0 [ 7229.027497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7229.027497][ T10] [ 7229.029526][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7229.029526][ T10] netdev_get_by_index+0x5e/0x80 [ 7229.029526][ T10] fib6_nh_init+0x3d8/0x1580 [ 7229.029526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7229.029526][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7229.029526][ T10] ipv6_add_addr+0x411/0x2000 [ 7229.029526][ T10] inet6_addr_add+0x30e/0xa40 [ 7229.029526][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7229.029526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7229.029526][ T10] netlink_rcv_skb+0x130/0x360 [ 7229.029526][ T10] netlink_unicast+0x449/0x710 [ 7229.029526][ T10] netlink_sendmsg+0x723/0xbe0 [ 7229.029526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7229.029526][ T10] ___sys_sendmsg+0xee/0x170 [ 7229.029526][ T10] __sys_sendmsg+0xcd/0x170 [ 7229.029526][ T10] do_syscall_64+0xc6/0x1e0 [ 7229.029526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7229.029526][ T10] [ 7229.031681][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7229.031681][ T10] netdev_get_by_index+0x5e/0x80 [ 7229.031681][ T10] fib6_nh_init+0x3d8/0x1580 [ 7229.031681][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7229.031681][ T10] ip6_route_add+0x1c/0x140 [ 7229.031681][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7229.031681][ T10] addrconf_add_dev+0xe2/0x170 [ 7229.031681][ T10] inet6_addr_add+0x12f/0xa40 [ 7229.031681][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7229.031681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7229.031681][ T10] netlink_rcv_skb+0x130/0x360 [ 7229.031681][ T10] netlink_unicast+0x449/0x710 [ 7229.031681][ T10] netlink_sendmsg+0x723/0xbe0 [ 7229.031681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7229.031681][ T10] ___sys_sendmsg+0xee/0x170 [ 7229.031681][ T10] __sys_sendmsg+0xcd/0x170 [ 7229.031681][ T10] do_syscall_64+0xc6/0x1e0 [ 7229.031681][ T10] [ 7229.033677][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7229.033677][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7229.033677][ T10] ipv6_find_idev+0x102/0x170 [ 7229.033677][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7229.033677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7229.033677][ T10] netlink_rcv_skb+0x130/0x360 [ 7229.033677][ T10] netlink_unicast+0x449/0x710 [ 7229.033677][ T10] netlink_sendmsg+0x723/0xbe0 [ 7229.033677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7229.033677][ T10] ___sys_sendmsg+0xee/0x170 [ 7229.033677][ T10] __sys_sendmsg+0xcd/0x170 [ 7229.033677][ T10] do_syscall_64+0xc6/0x1e0 [ 7229.033677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7229.033677][ T10] [ 7229.035249][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7229.035249][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7229.035249][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7229.035249][ T10] ipv6_find_idev+0x102/0x170 [ 7229.035249][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7229.035249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7229.035249][ T10] netlink_rcv_skb+0x130/0x360 [ 7229.035249][ T10] netlink_unicast+0x449/0x710 [ 7229.035249][ T10] netlink_sendmsg+0x723/0xbe0 [ 7229.035249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7229.035249][ T10] ___sys_sendmsg+0xee/0x170 [ 7229.035249][ T10] __sys_sendmsg+0xcd/0x170 [ 7229.035249][ T10] do_syscall_64+0xc6/0x1e0 [ 7229.035249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7229.035249][ T10] [ 7229.036950][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7229.037211][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7229.037211][ T10] netdev_get_by_index+0x5e/0x80 [ 7229.037211][ T10] fib6_nh_init+0x3d8/0x1580 [ 7229.037211][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7229.037211][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7229.037211][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7229.037211][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7229.037211][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7229.037211][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7229.037211][ T10] addrconf_dad_begin+0x310/0x670 [ 7229.037211][ T10] addrconf_dad_work+0x10b/0xab0 [ 7229.037211][ T10] process_one_work+0x84d/0x18a0 [ 7229.037211][ T10] worker_thread+0x587/0xd30 [ 7229.037211][ T10] kthread+0x28a/0x350 [ 7229.037211][ T10] ret_from_fork+0x31/0x70 [ 7229.037211][ T10] ret_from_fork_asm+0x1a/0x30 [ 7229.037211][ T10] [ 7229.039135][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7229.039135][ T10] netdev_get_by_index+0x5e/0x80 [ 7229.039135][ T10] fib6_nh_init+0x3d8/0x1580 [ 7229.039135][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7229.039135][ T10] ip6_route_add+0x1c/0x140 [ 7229.039135][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7229.039135][ T10] inet6_addr_add+0x4f8/0xa40 [ 7229.039135][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7229.039135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7229.039135][ T10] netlink_rcv_skb+0x130/0x360 [ 7229.039135][ T10] netlink_unicast+0x449/0x710 [ 7229.039135][ T10] netlink_sendmsg+0x723/0xbe0 [ 7229.039135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7229.039135][ T10] ___sys_sendmsg+0xee/0x170 [ 7229.039135][ T10] __sys_sendmsg+0xcd/0x170 [ 7229.039135][ T10] do_syscall_64+0xc6/0x1e0 [ 7229.039135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7229.039135][ T10] [ 7229.041140][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7229.041140][ T10] netdev_get_by_index+0x5e/0x80 [ 7229.041140][ T10] fib6_nh_init+0x3d8/0x1580 [ 7229.041140][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7229.041140][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7229.041140][ T10] ipv6_add_addr+0x411/0x2000 [ 7229.041140][ T10] inet6_addr_add+0x30e/0xa40 [ 7229.041140][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7229.041140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7229.041140][ T10] netlink_rcv_skb+0x130/0x360 [ 7229.041140][ T10] netlink_unicast+0x449/0x710 [ 7229.041140][ T10] netlink_sendmsg+0x723/0xbe0 [ 7229.041140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7229.041140][ T10] ___sys_sendmsg+0xee/0x170 [ 7229.041140][ T10] __sys_sendmsg+0xcd/0x170 [ 7229.041140][ T10] do_syscall_64+0xc6/0x1e0 [ 7229.041140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7229.041140][ T10] [ 7229.043157][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7229.043157][ T10] netdev_get_by_index+0x5e/0x80 [ 7229.043157][ T10] fib6_nh_init+0x3d8/0x1580 [ 7229.043157][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7229.043157][ T10] ip6_route_add+0x1c/0x140 [ 7229.043157][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7229.043157][ T10] addrconf_add_dev+0xe2/0x170 [ 7229.043157][ T10] inet6_addr_add+0x12f/0xa40 [ 7229.043157][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7229.043157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7229.043157][ T10] netlink_rcv_skb+0x130/0x360 [ 7229.043157][ T10] netlink_unicast+0x449/0x710 [ 7229.043157][ T10] netlink_sendmsg+0x723/0xbe0 [ 7229.043157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7229.043157][ T10] ___sys_sendmsg+0xee/0x170 [ 7229.043157][ T10] __sys_sendmsg+0xcd/0x170 [ 7229.043157][ T10] do_syscall_64+0xc6/0x1e0 [ 7229.043157][ T10] [ 7229.045133][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7229.045133][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7229.045133][ T10] ipv6_find_idev+0x102/0x170 [ 7229.045133][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7229.045133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7229.045133][ T10] netlink_rcv_skb+0x130/0x360 [ 7229.045133][ T10] netlink_unicast+0x449/0x710 [ 7229.045133][ T10] netlink_sendmsg+0x723/0xbe0 [ 7229.045133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7229.045133][ T10] ___sys_sendmsg+0xee/0x170 [ 7229.045133][ T10] __sys_sendmsg+0xcd/0x170 [ 7229.045133][ T10] do_syscall_64+0xc6/0x1e0 [ 7229.045133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7229.045133][ T10] [ 7229.046682][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7229.046682][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7229.046682][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7229.046682][ T10] ipv6_find_idev+0x102/0x170 [ 7229.046682][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7229.046682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7229.046682][ T10] netlink_rcv_skb+0x130/0x360 [ 7229.046682][ T10] netlink_unicast+0x449/0x710 [ 7229.046682][ T10] netlink_sendmsg+0x723/0xbe0 [ 7229.046682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7229.046682][ T10] ___sys_sendmsg+0xee/0x170 [ 7229.046682][ T10] __sys_sendmsg+0xcd/0x170 [ 7229.046682][ T10] do_syscall_64+0xc6/0x1e0 [ 7229.046682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7229.046682][ T10] [ 7229.048421][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7229.048668][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7229.048668][ T10] netdev_get_by_index+0x5e/0x80 [ 7229.048668][ T10] fib6_nh_init+0x3d8/0x1580 [ 7229.048668][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7229.048668][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7229.048668][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7229.048668][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7229.048668][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7229.048668][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7229.048668][ T10] addrconf_dad_begin+0x310/0x670 [ 7229.048668][ T10] addrconf_dad_work+0x10b/0xab0 [ 7229.048668][ T10] process_one_work+0x84d/0x18a0 [ 7229.048668][ T10] worker_thread+0x587/0xd30 [ 7229.048668][ T10] kthread+0x28a/0x350 [ 7229.048668][ T10] ret_from_fork+0x31/0x70 [ 7229.048668][ T10] ret_from_fork_asm+0x1a/0x30 [ 7229.048668][ T10] [ 7229.050598][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7229.050598][ T10] netdev_get_by_index+0x5e/0x80 [ 7229.050598][ T10] fib6_nh_init+0x3d8/0x1580 [ 7229.050598][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7229.050598][ T10] ip6_route_add+0x1c/0x140 [ 7229.050598][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7229.050598][ T10] inet6_addr_add+0x4f8/0xa40 [ 7229.050598][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7229.050598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7229.050598][ T10] netlink_rcv_skb+0x130/0x360 [ 7229.050598][ T10] netlink_unicast+0x449/0x710 [ 7229.050598][ T10] netlink_sendmsg+0x723/0xbe0 [ 7229.050598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7229.050598][ T10] ___sys_sendmsg+0xee/0x170 [ 7229.050598][ T10] __sys_sendmsg+0xcd/0x170 [ 7229.050598][ T10] do_syscall_64+0xc6/0x1e0 [ 7229.050598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7229.050598][ T10] [ 7229.052785][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7229.052785][ T10] netdev_get_by_index+0x5e/0x80 [ 7229.052785][ T10] fib6_nh_init+0x3d8/0x1580 [ 7229.052785][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7229.052785][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7229.052785][ T10] ipv6_add_addr+0x411/0x2000 [ 7229.052785][ T10] inet6_addr_add+0x30e/0xa40 [ 7229.052785][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7229.052785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7229.052785][ T10] netlink_rcv_skb+0x130/0x360 [ 7229.052785][ T10] netlink_unicast+0x449/0x710 [ 7229.052785][ T10] netlink_sendmsg+0x723/0xbe0 [ 7229.052785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7229.052785][ T10] ___sys_sendmsg+0xee/0x170 [ 7229.052785][ T10] __sys_sendmsg+0xcd/0x170 [ 7229.052785][ T10] do_syscall_64+0xc6/0x1e0 [ 7229.052785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7229.052785][ T10] [ 7229.055045][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7229.055045][ T10] netdev_get_by_index+0x5e/0x80 [ 7229.055045][ T10] fib6_nh_init+0x3d8/0x1580 [ 7229.055045][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7229.055045][ T10] ip6_route_add+0x1c/0x140 [ 7229.055045][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7229.055045][ T10] addrconf_add_dev+0xe2/0x170 [ 7229.055045][ T10] inet6_addr_add+0x12f/0xa40 [ 7229.055045][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7229.055045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7229.055045][ T10] netlink_rcv_skb+0x130/0x360 [ 7229.055045][ T10] netlink_unicast+0x449/0x710 [ 7229.055045][ T10] netlink_sendmsg+0x723/0xbe0 [ 7229.055045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7229.055045][ T10] ___sys_sendmsg+0xee/0x170 [ 7229.055045][ T10] __sys_sendmsg+0xcd/0x170 [ 7229.055045][ T10] do_syscall_64+0xc6/0x1e0 [ 7229.055045][ T10] [ 7229.057312][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7229.057312][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7229.057312][ T10] ipv6_find_idev+0x102/0x170 [ 7229.057312][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7229.057312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7229.057312][ T10] netlink_rcv_skb+0x130/0x360 [ 7229.057312][ T10] netlink_unicast+0x449/0x710 [ 7229.057312][ T10] netlink_sendmsg+0x723/0xbe0 [ 7229.057312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7229.057312][ T10] ___sys_sendmsg+0xee/0x170 [ 7229.057312][ T10] __sys_sendmsg+0xcd/0x170 [ 7229.057312][ T10] do_syscall_64+0xc6/0x1e0 [ 7229.057312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7229.057312][ T10] [ 7229.059032][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7229.059032][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7229.059032][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7229.059032][ T10] ipv6_find_idev+0x102/0x170 [ 7229.059032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7229.059032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7229.059032][ T10] netlink_rcv_skb+0x130/0x360 [ 7229.059032][ T10] netlink_unicast+0x449/0x710 [ 7229.059032][ T10] netlink_sendmsg+0x723/0xbe0 [ 7229.059032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7229.059032][ T10] ___sys_sendmsg+0xee/0x170 [ 7229.059032][ T10] __sys_sendmsg+0xcd/0x170 [ 7229.059032][ T10] do_syscall_64+0xc6/0x1e0 [ 7229.059032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7229.059032][ T10] [ 7229.060895][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7229.061631][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7229.061631][ T10] netdev_get_by_index+0x5e/0x80 [ 7229.061631][ T10] fib6_nh_init+0x3d8/0x1580 [ 7229.061631][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7229.061631][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7229.061631][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7229.061631][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7229.061631][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7229.061631][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7229.061631][ T10] addrconf_dad_begin+0x310/0x670 [ 7229.061631][ T10] addrconf_dad_work+0x10b/0xab0 [ 7229.061631][ T10] process_one_work+0x84d/0x18a0 [ 7229.061631][ T10] worker_thread+0x587/0xd30 [ 7229.061631][ T10] kthread+0x28a/0x350 [ 7229.061631][ T10] ret_from_fork+0x31/0x70 [ 7229.061631][ T10] ret_from_fork_asm+0x1a/0x30 [ 7229.061631][ T10] [ 7229.063537][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7229.063537][ T10] netdev_get_by_index+0x5e/0x80 [ 7229.063537][ T10] fib6_nh_init+0x3d8/0x1580 [ 7229.063537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7229.063537][ T10] ip6_route_add+0x1c/0x140 [ 7229.063537][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7229.063537][ T10] inet6_addr_add+0x4f8/0xa40 [ 7229.063537][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7229.063537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7229.063537][ T10] netlink_rcv_skb+0x130/0x360 [ 7229.063537][ T10] netlink_unicast+0x449/0x710 [ 7229.063537][ T10] netlink_sendmsg+0x723/0xbe0 [ 7229.063537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7229.063537][ T10] ___sys_sendmsg+0xee/0x170 [ 7229.063537][ T10] __sys_sendmsg+0xcd/0x170 [ 7229.063537][ T10] do_syscall_64+0xc6/0x1e0 [ 7229.063537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7229.063537][ T10] [ 7229.065602][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7229.065602][ T10] netdev_get_by_index+0x5e/0x80 [ 7229.065602][ T10] fib6_nh_init+0x3d8/0x1580 [ 7229.065602][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7229.065602][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7229.065602][ T10] ipv6_add_addr+0x411/0x2000 [ 7229.065602][ T10] inet6_addr_add+0x30e/0xa40 [ 7229.065602][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7229.065602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7229.065602][ T10] netlink_rcv_skb+0x130/0x360 [ 7229.065602][ T10] netlink_unicast+0x449/0x710 [ 7229.065602][ T10] netlink_sendmsg+0x723/0xbe0 [ 7229.065602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7229.065602][ T10] ___sys_sendmsg+0xee/0x170 [ 7229.065602][ T10] __sys_sendmsg+0xcd/0x170 [ 7229.065602][ T10] do_syscall_64+0xc6/0x1e0 [ 7229.065602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7229.065602][ T10] [ 7229.067843][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7229.067843][ T10] netdev_get_by_index+0x5e/0x80 [ 7229.067843][ T10] fib6_nh_init+0x3d8/0x1580 [ 7229.067843][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7229.067843][ T10] ip6_route_add+0x1c/0x140 [ 7229.067843][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7229.067843][ T10] addrconf_add_dev+0xe2/0x170 [ 7229.067843][ T10] inet6_addr_add+0x12f/0xa40 [ 7229.067843][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7229.067843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7229.067843][ T10] netlink_rcv_skb+0x130/0x360 [ 7229.067843][ T10] netlink_unicast+0x449/0x710 [ 7229.067843][ T10] netlink_sendmsg+0x723/0xbe0 [ 7229.067843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7229.067843][ T10] ___sys_sendmsg+0xee/0x170 [ 7229.067843][ T10] __sys_sendmsg+0xcd/0x170 [ 7229.067843][ T10] do_syscall_64+0xc6/0x1e0 [ 7229.067843][ T10] [ 7229.070115][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7229.070115][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7229.070115][ T10] ipv6_find_idev+0x102/0x170 [ 7229.070115][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7229.070115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7229.070115][ T10] netlink_rcv_skb+0x130/0x360 [ 7229.070115][ T10] netlink_unicast+0x449/0x710 [ 7229.070115][ T10] netlink_sendmsg+0x723/0xbe0 [ 7229.070115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7229.070115][ T10] ___sys_sendmsg+0xee/0x170 [ 7229.070115][ T10] __sys_sendmsg+0xcd/0x170 [ 7229.070115][ T10] do_syscall_64+0xc6/0x1e0 [ 7229.070115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7229.070115][ T10] [ 7229.071832][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7229.071832][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7229.071832][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7229.071832][ T10] ipv6_find_idev+0x102/0x170 [ 7229.071832][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7229.071832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7229.071832][ T10] netlink_rcv_skb+0x130/0x360 [ 7229.071832][ T10] netlink_unicast+0x449/0x710 [ 7229.071832][ T10] netlink_sendmsg+0x723/0xbe0 [ 7229.071832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7229.071832][ T10] ___sys_sendmsg+0xee/0x170 [ 7229.071832][ T10] __sys_sendmsg+0xcd/0x170 [ 7229.071832][ T10] do_syscall_64+0xc6/0x1e0 [ 7229.071832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7229.071832][ T10] [ 7233.953121][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7233.953613][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7233.953613][ T1167] dst_init+0x84/0x4a0 [ 7233.953613][ T1167] dst_alloc+0x97/0x150 [ 7233.953613][ T1167] ip6_dst_alloc+0x23/0x90 [ 7233.953613][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7233.953613][ T1167] ip6_pol_route+0x56f/0x840 [ 7233.953613][ T1167] fib6_rule_lookup+0x334/0x630 [ 7233.953613][ T1167] ip6_route_output_flags+0x259/0x480 [ 7233.953613][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7233.953613][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7233.953613][ T1167] netlink_rcv_skb+0x130/0x360 [ 7233.953613][ T1167] netlink_unicast+0x449/0x710 [ 7233.953613][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7233.953613][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7233.953613][ T1167] ___sys_sendmsg+0xee/0x170 [ 7233.953613][ T1167] __sys_sendmsg+0xcd/0x170 [ 7233.953613][ T1167] do_syscall_64+0xc6/0x1e0 [ 7233.953613][ T1167] [ 7233.955941][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7233.955941][ T1167] netdev_get_by_index+0x5e/0x80 [ 7233.955941][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7233.955941][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7233.955941][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7233.955941][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7233.955941][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7233.955941][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7233.955941][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7233.955941][ T1167] addrconf_dad_begin+0x310/0x670 [ 7233.955941][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7233.955941][ T1167] process_one_work+0x84d/0x18a0 [ 7233.955941][ T1167] worker_thread+0x587/0xd30 [ 7233.955941][ T1167] kthread+0x28a/0x350 [ 7233.955941][ T1167] ret_from_fork+0x31/0x70 [ 7233.955941][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7233.955941][ T1167] [ 7233.958106][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7233.958106][ T1167] netdev_get_by_index+0x5e/0x80 [ 7233.958106][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7233.958106][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7233.958106][ T1167] ip6_route_add+0x1c/0x140 [ 7233.958106][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7233.958106][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7233.958106][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7233.958106][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7233.958106][ T1167] netlink_rcv_skb+0x130/0x360 [ 7233.958106][ T1167] netlink_unicast+0x449/0x710 [ 7233.958106][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7233.958106][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7233.958106][ T1167] ___sys_sendmsg+0xee/0x170 [ 7233.958106][ T1167] __sys_sendmsg+0xcd/0x170 [ 7233.958106][ T1167] do_syscall_64+0xc6/0x1e0 [ 7233.958106][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7233.958106][ T1167] [ 7233.960355][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7233.960355][ T1167] netdev_get_by_index+0x5e/0x80 [ 7233.960355][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7233.960355][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7233.960355][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7233.960355][ T1167] ipv6_add_addr+0x411/0x2000 [ 7233.960355][ T1167] inet6_addr_add+0x30e/0xa40 [ 7233.960355][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7233.960355][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7233.960355][ T1167] netlink_rcv_skb+0x130/0x360 [ 7233.960355][ T1167] netlink_unicast+0x449/0x710 [ 7233.960355][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7233.960355][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7233.960355][ T1167] ___sys_sendmsg+0xee/0x170 [ 7233.960355][ T1167] __sys_sendmsg+0xcd/0x170 [ 7233.960355][ T1167] do_syscall_64+0xc6/0x1e0 [ 7233.960355][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7233.960355][ T1167] [ 7233.962617][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7233.962617][ T1167] netdev_get_by_index+0x5e/0x80 [ 7233.962617][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7233.962617][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7233.962617][ T1167] ip6_route_add+0x1c/0x140 [ 7233.962617][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7233.962617][ T1167] addrconf_add_dev+0xe2/0x170 [ 7233.962617][ T1167] inet6_addr_add+0x12f/0xa40 [ 7233.962617][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7233.962617][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7233.962617][ T1167] netlink_rcv_skb+0x130/0x360 [ 7233.962617][ T1167] netlink_unicast+0x449/0x710 [ 7233.962617][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7233.962617][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7233.962617][ T1167] ___sys_sendmsg+0xee/0x170 [ 7233.962617][ T1167] __sys_sendmsg+0xcd/0x170 [ 7233.962617][ T1167] do_syscall_64+0xc6/0x1e0 [ 7233.962617][ T1167] [ 7233.964834][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7233.964834][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7233.964834][ T1167] ipv6_find_idev+0x102/0x170 [ 7233.964834][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7233.964834][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7233.964834][ T1167] netlink_rcv_skb+0x130/0x360 [ 7233.964834][ T1167] netlink_unicast+0x449/0x710 [ 7233.964834][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7233.964834][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7233.964834][ T1167] ___sys_sendmsg+0xee/0x170 [ 7233.964834][ T1167] __sys_sendmsg+0xcd/0x170 [ 7233.964834][ T1167] do_syscall_64+0xc6/0x1e0 [ 7233.964834][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7233.964834][ T1167] [ 7233.966575][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7233.966575][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7233.966575][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7233.966575][ T1167] ipv6_find_idev+0x102/0x170 [ 7233.966575][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7233.966575][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7233.966575][ T1167] netlink_rcv_skb+0x130/0x360 [ 7233.966575][ T1167] netlink_unicast+0x449/0x710 [ 7233.966575][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7233.966575][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7233.966575][ T1167] ___sys_sendmsg+0xee/0x170 [ 7233.966575][ T1167] __sys_sendmsg+0xcd/0x170 [ 7233.966575][ T1167] do_syscall_64+0xc6/0x1e0 [ 7233.966575][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7233.966575][ T1167] [ 7239.329132][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7239.329551][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7239.329551][ T10] netdev_get_by_index+0x5e/0x80 [ 7239.329551][ T10] fib6_nh_init+0x3d8/0x1580 [ 7239.329551][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7239.329551][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7239.329551][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7239.329551][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7239.329551][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7239.329551][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7239.329551][ T10] addrconf_dad_begin+0x310/0x670 [ 7239.329551][ T10] addrconf_dad_work+0x10b/0xab0 [ 7239.329551][ T10] process_one_work+0x84d/0x18a0 [ 7239.329551][ T10] worker_thread+0x587/0xd30 [ 7239.329551][ T10] kthread+0x28a/0x350 [ 7239.329551][ T10] ret_from_fork+0x31/0x70 [ 7239.329551][ T10] ret_from_fork_asm+0x1a/0x30 [ 7239.329551][ T10] [ 7239.331509][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7239.331509][ T10] netdev_get_by_index+0x5e/0x80 [ 7239.331509][ T10] fib6_nh_init+0x3d8/0x1580 [ 7239.331509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7239.331509][ T10] ip6_route_add+0x1c/0x140 [ 7239.331509][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7239.331509][ T10] inet6_addr_add+0x4f8/0xa40 [ 7239.331509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7239.331509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7239.331509][ T10] netlink_rcv_skb+0x130/0x360 [ 7239.331509][ T10] netlink_unicast+0x449/0x710 [ 7239.331509][ T10] netlink_sendmsg+0x723/0xbe0 [ 7239.331509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7239.331509][ T10] ___sys_sendmsg+0xee/0x170 [ 7239.331509][ T10] __sys_sendmsg+0xcd/0x170 [ 7239.331509][ T10] do_syscall_64+0xc6/0x1e0 [ 7239.331509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7239.331509][ T10] [ 7239.333517][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7239.333517][ T10] netdev_get_by_index+0x5e/0x80 [ 7239.333517][ T10] fib6_nh_init+0x3d8/0x1580 [ 7239.333517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7239.333517][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7239.333517][ T10] ipv6_add_addr+0x411/0x2000 [ 7239.333517][ T10] inet6_addr_add+0x30e/0xa40 [ 7239.333517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7239.333517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7239.333517][ T10] netlink_rcv_skb+0x130/0x360 [ 7239.333517][ T10] netlink_unicast+0x449/0x710 [ 7239.333517][ T10] netlink_sendmsg+0x723/0xbe0 [ 7239.333517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7239.333517][ T10] ___sys_sendmsg+0xee/0x170 [ 7239.333517][ T10] __sys_sendmsg+0xcd/0x170 [ 7239.333517][ T10] do_syscall_64+0xc6/0x1e0 [ 7239.333517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7239.333517][ T10] [ 7239.336059][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7239.336059][ T10] netdev_get_by_index+0x5e/0x80 [ 7239.336059][ T10] fib6_nh_init+0x3d8/0x1580 [ 7239.336059][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7239.336059][ T10] ip6_route_add+0x1c/0x140 [ 7239.336059][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7239.336059][ T10] addrconf_add_dev+0xe2/0x170 [ 7239.336059][ T10] inet6_addr_add+0x12f/0xa40 [ 7239.336059][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7239.336059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7239.336059][ T10] netlink_rcv_skb+0x130/0x360 [ 7239.336059][ T10] netlink_unicast+0x449/0x710 [ 7239.336059][ T10] netlink_sendmsg+0x723/0xbe0 [ 7239.336059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7239.336059][ T10] ___sys_sendmsg+0xee/0x170 [ 7239.336059][ T10] __sys_sendmsg+0xcd/0x170 [ 7239.336059][ T10] do_syscall_64+0xc6/0x1e0 [ 7239.336059][ T10] [ 7239.338043][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7239.338043][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7239.338043][ T10] ipv6_find_idev+0x102/0x170 [ 7239.338043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7239.338043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7239.338043][ T10] netlink_rcv_skb+0x130/0x360 [ 7239.338043][ T10] netlink_unicast+0x449/0x710 [ 7239.338043][ T10] netlink_sendmsg+0x723/0xbe0 [ 7239.338043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7239.338043][ T10] ___sys_sendmsg+0xee/0x170 [ 7239.338043][ T10] __sys_sendmsg+0xcd/0x170 [ 7239.338043][ T10] do_syscall_64+0xc6/0x1e0 [ 7239.338043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7239.338043][ T10] [ 7239.339593][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7239.339593][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7239.339593][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7239.339593][ T10] ipv6_find_idev+0x102/0x170 [ 7239.339593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7239.339593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7239.339593][ T10] netlink_rcv_skb+0x130/0x360 [ 7239.339593][ T10] netlink_unicast+0x449/0x710 [ 7239.339593][ T10] netlink_sendmsg+0x723/0xbe0 [ 7239.339593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7239.339593][ T10] ___sys_sendmsg+0xee/0x170 [ 7239.339593][ T10] __sys_sendmsg+0xcd/0x170 [ 7239.339593][ T10] do_syscall_64+0xc6/0x1e0 [ 7239.339593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7239.339593][ T10] [ 7239.341284][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7239.341530][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7239.341530][ T10] netdev_get_by_index+0x5e/0x80 [ 7239.341530][ T10] fib6_nh_init+0x3d8/0x1580 [ 7239.341530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7239.341530][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7239.341530][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7239.341530][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7239.341530][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7239.341530][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7239.341530][ T10] addrconf_dad_begin+0x310/0x670 [ 7239.341530][ T10] addrconf_dad_work+0x10b/0xab0 [ 7239.341530][ T10] process_one_work+0x84d/0x18a0 [ 7239.341530][ T10] worker_thread+0x587/0xd30 [ 7239.341530][ T10] kthread+0x28a/0x350 [ 7239.341530][ T10] ret_from_fork+0x31/0x70 [ 7239.341530][ T10] ret_from_fork_asm+0x1a/0x30 [ 7239.341530][ T10] [ 7239.343447][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7239.343447][ T10] netdev_get_by_index+0x5e/0x80 [ 7239.343447][ T10] fib6_nh_init+0x3d8/0x1580 [ 7239.343447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7239.343447][ T10] ip6_route_add+0x1c/0x140 [ 7239.343447][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7239.343447][ T10] inet6_addr_add+0x4f8/0xa40 [ 7239.343447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7239.343447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7239.343447][ T10] netlink_rcv_skb+0x130/0x360 [ 7239.343447][ T10] netlink_unicast+0x449/0x710 [ 7239.343447][ T10] netlink_sendmsg+0x723/0xbe0 [ 7239.343447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7239.343447][ T10] ___sys_sendmsg+0xee/0x170 [ 7239.343447][ T10] __sys_sendmsg+0xcd/0x170 [ 7239.343447][ T10] do_syscall_64+0xc6/0x1e0 [ 7239.343447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7239.343447][ T10] [ 7239.345474][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7239.345474][ T10] netdev_get_by_index+0x5e/0x80 [ 7239.345474][ T10] fib6_nh_init+0x3d8/0x1580 [ 7239.345474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7239.345474][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7239.345474][ T10] ipv6_add_addr+0x411/0x2000 [ 7239.345474][ T10] inet6_addr_add+0x30e/0xa40 [ 7239.345474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7239.345474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7239.345474][ T10] netlink_rcv_skb+0x130/0x360 [ 7239.345474][ T10] netlink_unicast+0x449/0x710 [ 7239.345474][ T10] netlink_sendmsg+0x723/0xbe0 [ 7239.345474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7239.345474][ T10] ___sys_sendmsg+0xee/0x170 [ 7239.345474][ T10] __sys_sendmsg+0xcd/0x170 [ 7239.345474][ T10] do_syscall_64+0xc6/0x1e0 [ 7239.345474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7239.345474][ T10] [ 7239.347480][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7239.347480][ T10] netdev_get_by_index+0x5e/0x80 [ 7239.347480][ T10] fib6_nh_init+0x3d8/0x1580 [ 7239.347480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7239.347480][ T10] ip6_route_add+0x1c/0x140 [ 7239.347480][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7239.347480][ T10] addrconf_add_dev+0xe2/0x170 [ 7239.347480][ T10] inet6_addr_add+0x12f/0xa40 [ 7239.347480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7239.347480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7239.347480][ T10] netlink_rcv_skb+0x130/0x360 [ 7239.347480][ T10] netlink_unicast+0x449/0x710 [ 7239.347480][ T10] netlink_sendmsg+0x723/0xbe0 [ 7239.347480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7239.347480][ T10] ___sys_sendmsg+0xee/0x170 [ 7239.347480][ T10] __sys_sendmsg+0xcd/0x170 [ 7239.347480][ T10] do_syscall_64+0xc6/0x1e0 [ 7239.347480][ T10] [ 7239.349454][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7239.349454][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7239.349454][ T10] ipv6_find_idev+0x102/0x170 [ 7239.349454][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7239.349454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7239.349454][ T10] netlink_rcv_skb+0x130/0x360 [ 7239.349454][ T10] netlink_unicast+0x449/0x710 [ 7239.349454][ T10] netlink_sendmsg+0x723/0xbe0 [ 7239.349454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7239.349454][ T10] ___sys_sendmsg+0xee/0x170 [ 7239.349454][ T10] __sys_sendmsg+0xcd/0x170 [ 7239.349454][ T10] do_syscall_64+0xc6/0x1e0 [ 7239.349454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7239.349454][ T10] [ 7239.350998][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7239.350998][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7239.350998][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7239.350998][ T10] ipv6_find_idev+0x102/0x170 [ 7239.350998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7239.350998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7239.350998][ T10] netlink_rcv_skb+0x130/0x360 [ 7239.350998][ T10] netlink_unicast+0x449/0x710 [ 7239.350998][ T10] netlink_sendmsg+0x723/0xbe0 [ 7239.350998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7239.350998][ T10] ___sys_sendmsg+0xee/0x170 [ 7239.350998][ T10] __sys_sendmsg+0xcd/0x170 [ 7239.350998][ T10] do_syscall_64+0xc6/0x1e0 [ 7239.350998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7239.350998][ T10] [ 7239.352697][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7239.352937][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7239.352937][ T10] netdev_get_by_index+0x5e/0x80 [ 7239.352937][ T10] fib6_nh_init+0x3d8/0x1580 [ 7239.352937][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7239.352937][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7239.352937][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7239.352937][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7239.352937][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7239.352937][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7239.352937][ T10] addrconf_dad_begin+0x310/0x670 [ 7239.352937][ T10] addrconf_dad_work+0x10b/0xab0 [ 7239.352937][ T10] process_one_work+0x84d/0x18a0 [ 7239.352937][ T10] worker_thread+0x587/0xd30 [ 7239.352937][ T10] kthread+0x28a/0x350 [ 7239.352937][ T10] ret_from_fork+0x31/0x70 [ 7239.352937][ T10] ret_from_fork_asm+0x1a/0x30 [ 7239.352937][ T10] [ 7239.354869][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7239.354869][ T10] netdev_get_by_index+0x5e/0x80 [ 7239.354869][ T10] fib6_nh_init+0x3d8/0x1580 [ 7239.354869][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7239.354869][ T10] ip6_route_add+0x1c/0x140 [ 7239.354869][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7239.354869][ T10] inet6_addr_add+0x4f8/0xa40 [ 7239.354869][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7239.354869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7239.354869][ T10] netlink_rcv_skb+0x130/0x360 [ 7239.354869][ T10] netlink_unicast+0x449/0x710 [ 7239.354869][ T10] netlink_sendmsg+0x723/0xbe0 [ 7239.354869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7239.354869][ T10] ___sys_sendmsg+0xee/0x170 [ 7239.354869][ T10] __sys_sendmsg+0xcd/0x170 [ 7239.354869][ T10] do_syscall_64+0xc6/0x1e0 [ 7239.354869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7239.354869][ T10] [ 7239.357069][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7239.357069][ T10] netdev_get_by_index+0x5e/0x80 [ 7239.357069][ T10] fib6_nh_init+0x3d8/0x1580 [ 7239.357069][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7239.357069][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7239.357069][ T10] ipv6_add_addr+0x411/0x2000 [ 7239.357069][ T10] inet6_addr_add+0x30e/0xa40 [ 7239.357069][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7239.357069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7239.357069][ T10] netlink_rcv_skb+0x130/0x360 [ 7239.357069][ T10] netlink_unicast+0x449/0x710 [ 7239.357069][ T10] netlink_sendmsg+0x723/0xbe0 [ 7239.357069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7239.357069][ T10] ___sys_sendmsg+0xee/0x170 [ 7239.357069][ T10] __sys_sendmsg+0xcd/0x170 [ 7239.357069][ T10] do_syscall_64+0xc6/0x1e0 [ 7239.357069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7239.357069][ T10] [ 7239.359374][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7239.359374][ T10] netdev_get_by_index+0x5e/0x80 [ 7239.359374][ T10] fib6_nh_init+0x3d8/0x1580 [ 7239.359374][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7239.359374][ T10] ip6_route_add+0x1c/0x140 [ 7239.359374][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7239.359374][ T10] addrconf_add_dev+0xe2/0x170 [ 7239.359374][ T10] inet6_addr_add+0x12f/0xa40 [ 7239.359374][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7239.359374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7239.359374][ T10] netlink_rcv_skb+0x130/0x360 [ 7239.359374][ T10] netlink_unicast+0x449/0x710 [ 7239.359374][ T10] netlink_sendmsg+0x723/0xbe0 [ 7239.359374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7239.359374][ T10] ___sys_sendmsg+0xee/0x170 [ 7239.359374][ T10] __sys_sendmsg+0xcd/0x170 [ 7239.359374][ T10] do_syscall_64+0xc6/0x1e0 [ 7239.359374][ T10] [ 7239.361585][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7239.361585][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7239.361585][ T10] ipv6_find_idev+0x102/0x170 [ 7239.361585][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7239.361585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7239.361585][ T10] netlink_rcv_skb+0x130/0x360 [ 7239.361585][ T10] netlink_unicast+0x449/0x710 [ 7239.361585][ T10] netlink_sendmsg+0x723/0xbe0 [ 7239.361585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7239.361585][ T10] ___sys_sendmsg+0xee/0x170 [ 7239.361585][ T10] __sys_sendmsg+0xcd/0x170 [ 7239.361585][ T10] do_syscall_64+0xc6/0x1e0 [ 7239.361585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7239.361585][ T10] [ 7239.363308][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7239.363308][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7239.363308][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7239.363308][ T10] ipv6_find_idev+0x102/0x170 [ 7239.363308][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7239.363308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7239.363308][ T10] netlink_rcv_skb+0x130/0x360 [ 7239.363308][ T10] netlink_unicast+0x449/0x710 [ 7239.363308][ T10] netlink_sendmsg+0x723/0xbe0 [ 7239.363308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7239.363308][ T10] ___sys_sendmsg+0xee/0x170 [ 7239.363308][ T10] __sys_sendmsg+0xcd/0x170 [ 7239.363308][ T10] do_syscall_64+0xc6/0x1e0 [ 7239.363308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7239.363308][ T10] [ 7239.365216][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7239.365514][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7239.365514][ T10] netdev_get_by_index+0x5e/0x80 [ 7239.365514][ T10] fib6_nh_init+0x3d8/0x1580 [ 7239.365514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7239.365514][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7239.365514][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7239.365514][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7239.365514][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7239.365514][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7239.365514][ T10] addrconf_dad_begin+0x310/0x670 [ 7239.365514][ T10] addrconf_dad_work+0x10b/0xab0 [ 7239.365514][ T10] process_one_work+0x84d/0x18a0 [ 7239.365514][ T10] worker_thread+0x587/0xd30 [ 7239.365514][ T10] kthread+0x28a/0x350 [ 7239.365514][ T10] ret_from_fork+0x31/0x70 [ 7239.365514][ T10] ret_from_fork_asm+0x1a/0x30 [ 7239.365514][ T10] [ 7239.367608][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7239.367608][ T10] netdev_get_by_index+0x5e/0x80 [ 7239.367608][ T10] fib6_nh_init+0x3d8/0x1580 [ 7239.367608][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7239.367608][ T10] ip6_route_add+0x1c/0x140 [ 7239.367608][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7239.367608][ T10] inet6_addr_add+0x4f8/0xa40 [ 7239.367608][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7239.367608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7239.367608][ T10] netlink_rcv_skb+0x130/0x360 [ 7239.367608][ T10] netlink_unicast+0x449/0x710 [ 7239.367608][ T10] netlink_sendmsg+0x723/0xbe0 [ 7239.367608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7239.367608][ T10] ___sys_sendmsg+0xee/0x170 [ 7239.367608][ T10] __sys_sendmsg+0xcd/0x170 [ 7239.367608][ T10] do_syscall_64+0xc6/0x1e0 [ 7239.367608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7239.367608][ T10] [ 7239.369917][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7239.369917][ T10] netdev_get_by_index+0x5e/0x80 [ 7239.369917][ T10] fib6_nh_init+0x3d8/0x1580 [ 7239.369917][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7239.369917][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7239.369917][ T10] ipv6_add_addr+0x411/0x2000 [ 7239.369917][ T10] inet6_addr_add+0x30e/0xa40 [ 7239.369917][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7239.369917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7239.369917][ T10] netlink_rcv_skb+0x130/0x360 [ 7239.369917][ T10] netlink_unicast+0x449/0x710 [ 7239.369917][ T10] netlink_sendmsg+0x723/0xbe0 [ 7239.369917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7239.369917][ T10] ___sys_sendmsg+0xee/0x170 [ 7239.369917][ T10] __sys_sendmsg+0xcd/0x170 [ 7239.369917][ T10] do_syscall_64+0xc6/0x1e0 [ 7239.369917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7239.369917][ T10] [ 7239.372165][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7239.372165][ T10] netdev_get_by_index+0x5e/0x80 [ 7239.372165][ T10] fib6_nh_init+0x3d8/0x1580 [ 7239.372165][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7239.372165][ T10] ip6_route_add+0x1c/0x140 [ 7239.372165][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7239.372165][ T10] addrconf_add_dev+0xe2/0x170 [ 7239.372165][ T10] inet6_addr_add+0x12f/0xa40 [ 7239.372165][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7239.372165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7239.372165][ T10] netlink_rcv_skb+0x130/0x360 [ 7239.372165][ T10] netlink_unicast+0x449/0x710 [ 7239.372165][ T10] netlink_sendmsg+0x723/0xbe0 [ 7239.372165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7239.372165][ T10] ___sys_sendmsg+0xee/0x170 [ 7239.372165][ T10] __sys_sendmsg+0xcd/0x170 [ 7239.372165][ T10] do_syscall_64+0xc6/0x1e0 [ 7239.372165][ T10] [ 7239.374389][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7239.374389][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7239.374389][ T10] ipv6_find_idev+0x102/0x170 [ 7239.374389][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7239.374389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7239.374389][ T10] netlink_rcv_skb+0x130/0x360 [ 7239.374389][ T10] netlink_unicast+0x449/0x710 [ 7239.374389][ T10] netlink_sendmsg+0x723/0xbe0 [ 7239.374389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7239.374389][ T10] ___sys_sendmsg+0xee/0x170 [ 7239.374389][ T10] __sys_sendmsg+0xcd/0x170 [ 7239.374389][ T10] do_syscall_64+0xc6/0x1e0 [ 7239.374389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7239.374389][ T10] [ 7239.376126][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7239.376126][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7239.376126][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7239.376126][ T10] ipv6_find_idev+0x102/0x170 [ 7239.376126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7239.376126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7239.376126][ T10] netlink_rcv_skb+0x130/0x360 [ 7239.376126][ T10] netlink_unicast+0x449/0x710 [ 7239.376126][ T10] netlink_sendmsg+0x723/0xbe0 [ 7239.376126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7239.376126][ T10] ___sys_sendmsg+0xee/0x170 [ 7239.376126][ T10] __sys_sendmsg+0xcd/0x170 [ 7239.376126][ T10] do_syscall_64+0xc6/0x1e0 [ 7239.376126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7239.376126][ T10] [ 7243.969151][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7243.969635][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7243.969635][ T1167] dst_init+0x84/0x4a0 [ 7243.969635][ T1167] dst_alloc+0x97/0x150 [ 7243.969635][ T1167] ip6_dst_alloc+0x23/0x90 [ 7243.969635][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7243.969635][ T1167] ip6_pol_route+0x56f/0x840 [ 7243.969635][ T1167] fib6_rule_lookup+0x334/0x630 [ 7243.969635][ T1167] ip6_route_output_flags+0x259/0x480 [ 7243.969635][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7243.969635][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7243.969635][ T1167] netlink_rcv_skb+0x130/0x360 [ 7243.969635][ T1167] netlink_unicast+0x449/0x710 [ 7243.969635][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7243.969635][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7243.969635][ T1167] ___sys_sendmsg+0xee/0x170 [ 7243.969635][ T1167] __sys_sendmsg+0xcd/0x170 [ 7243.969635][ T1167] do_syscall_64+0xc6/0x1e0 [ 7243.969635][ T1167] [ 7243.971958][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7243.971958][ T1167] netdev_get_by_index+0x5e/0x80 [ 7243.971958][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7243.971958][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7243.971958][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7243.971958][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7243.971958][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7243.971958][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7243.971958][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7243.971958][ T1167] addrconf_dad_begin+0x310/0x670 [ 7243.971958][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7243.971958][ T1167] process_one_work+0x84d/0x18a0 [ 7243.971958][ T1167] worker_thread+0x587/0xd30 [ 7243.971958][ T1167] kthread+0x28a/0x350 [ 7243.971958][ T1167] ret_from_fork+0x31/0x70 [ 7243.971958][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7243.971958][ T1167] [ 7243.974158][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7243.974158][ T1167] netdev_get_by_index+0x5e/0x80 [ 7243.974158][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7243.974158][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7243.974158][ T1167] ip6_route_add+0x1c/0x140 [ 7243.974158][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7243.974158][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7243.974158][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7243.974158][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7243.974158][ T1167] netlink_rcv_skb+0x130/0x360 [ 7243.974158][ T1167] netlink_unicast+0x449/0x710 [ 7243.974158][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7243.974158][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7243.974158][ T1167] ___sys_sendmsg+0xee/0x170 [ 7243.974158][ T1167] __sys_sendmsg+0xcd/0x170 [ 7243.974158][ T1167] do_syscall_64+0xc6/0x1e0 [ 7243.974158][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7243.974158][ T1167] [ 7243.976417][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7243.976417][ T1167] netdev_get_by_index+0x5e/0x80 [ 7243.976417][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7243.976417][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7243.976417][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7243.976417][ T1167] ipv6_add_addr+0x411/0x2000 [ 7243.976417][ T1167] inet6_addr_add+0x30e/0xa40 [ 7243.976417][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7243.976417][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7243.976417][ T1167] netlink_rcv_skb+0x130/0x360 [ 7243.976417][ T1167] netlink_unicast+0x449/0x710 [ 7243.976417][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7243.976417][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7243.976417][ T1167] ___sys_sendmsg+0xee/0x170 [ 7243.976417][ T1167] __sys_sendmsg+0xcd/0x170 [ 7243.976417][ T1167] do_syscall_64+0xc6/0x1e0 [ 7243.976417][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7243.976417][ T1167] [ 7243.978680][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7243.978680][ T1167] netdev_get_by_index+0x5e/0x80 [ 7243.978680][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7243.978680][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7243.978680][ T1167] ip6_route_add+0x1c/0x140 [ 7243.978680][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7243.978680][ T1167] addrconf_add_dev+0xe2/0x170 [ 7243.978680][ T1167] inet6_addr_add+0x12f/0xa40 [ 7243.978680][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7243.978680][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7243.978680][ T1167] netlink_rcv_skb+0x130/0x360 [ 7243.978680][ T1167] netlink_unicast+0x449/0x710 [ 7243.978680][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7243.978680][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7243.978680][ T1167] ___sys_sendmsg+0xee/0x170 [ 7243.978680][ T1167] __sys_sendmsg+0xcd/0x170 [ 7243.978680][ T1167] do_syscall_64+0xc6/0x1e0 [ 7243.978680][ T1167] [ 7243.980907][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7243.980907][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7243.980907][ T1167] ipv6_find_idev+0x102/0x170 [ 7243.980907][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7243.980907][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7243.980907][ T1167] netlink_rcv_skb+0x130/0x360 [ 7243.980907][ T1167] netlink_unicast+0x449/0x710 [ 7243.980907][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7243.980907][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7243.980907][ T1167] ___sys_sendmsg+0xee/0x170 [ 7243.980907][ T1167] __sys_sendmsg+0xcd/0x170 [ 7243.980907][ T1167] do_syscall_64+0xc6/0x1e0 [ 7243.980907][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7243.980907][ T1167] [ 7243.982645][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7243.982645][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7243.982645][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7243.982645][ T1167] ipv6_find_idev+0x102/0x170 [ 7243.982645][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7243.982645][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7243.982645][ T1167] netlink_rcv_skb+0x130/0x360 [ 7243.982645][ T1167] netlink_unicast+0x449/0x710 [ 7243.982645][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7243.982645][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7243.982645][ T1167] ___sys_sendmsg+0xee/0x170 [ 7243.982645][ T1167] __sys_sendmsg+0xcd/0x170 [ 7243.982645][ T1167] do_syscall_64+0xc6/0x1e0 [ 7243.982645][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7243.982645][ T1167] [ 7249.633054][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7249.633424][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7249.633424][ T10] netdev_get_by_index+0x5e/0x80 [ 7249.633424][ T10] fib6_nh_init+0x3d8/0x1580 [ 7249.633424][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7249.633424][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7249.633424][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7249.633424][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7249.633424][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7249.633424][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7249.633424][ T10] addrconf_dad_begin+0x310/0x670 [ 7249.633424][ T10] addrconf_dad_work+0x10b/0xab0 [ 7249.633424][ T10] process_one_work+0x84d/0x18a0 [ 7249.633424][ T10] worker_thread+0x587/0xd30 [ 7249.633424][ T10] kthread+0x28a/0x350 [ 7249.633424][ T10] ret_from_fork+0x31/0x70 [ 7249.633424][ T10] ret_from_fork_asm+0x1a/0x30 [ 7249.633424][ T10] [ 7249.635428][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7249.635428][ T10] netdev_get_by_index+0x5e/0x80 [ 7249.635428][ T10] fib6_nh_init+0x3d8/0x1580 [ 7249.635428][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7249.635428][ T10] ip6_route_add+0x1c/0x140 [ 7249.635428][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7249.635428][ T10] inet6_addr_add+0x4f8/0xa40 [ 7249.635428][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7249.635428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7249.635428][ T10] netlink_rcv_skb+0x130/0x360 [ 7249.635428][ T10] netlink_unicast+0x449/0x710 [ 7249.635428][ T10] netlink_sendmsg+0x723/0xbe0 [ 7249.635428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7249.635428][ T10] ___sys_sendmsg+0xee/0x170 [ 7249.635428][ T10] __sys_sendmsg+0xcd/0x170 [ 7249.635428][ T10] do_syscall_64+0xc6/0x1e0 [ 7249.635428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7249.635428][ T10] [ 7249.637500][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7249.637500][ T10] netdev_get_by_index+0x5e/0x80 [ 7249.637500][ T10] fib6_nh_init+0x3d8/0x1580 [ 7249.637500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7249.637500][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7249.637500][ T10] ipv6_add_addr+0x411/0x2000 [ 7249.637500][ T10] inet6_addr_add+0x30e/0xa40 [ 7249.637500][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7249.637500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7249.637500][ T10] netlink_rcv_skb+0x130/0x360 [ 7249.637500][ T10] netlink_unicast+0x449/0x710 [ 7249.637500][ T10] netlink_sendmsg+0x723/0xbe0 [ 7249.637500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7249.637500][ T10] ___sys_sendmsg+0xee/0x170 [ 7249.637500][ T10] __sys_sendmsg+0xcd/0x170 [ 7249.637500][ T10] do_syscall_64+0xc6/0x1e0 [ 7249.637500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7249.637500][ T10] [ 7249.639542][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7249.639542][ T10] netdev_get_by_index+0x5e/0x80 [ 7249.639542][ T10] fib6_nh_init+0x3d8/0x1580 [ 7249.639542][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7249.639542][ T10] ip6_route_add+0x1c/0x140 [ 7249.639542][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7249.639542][ T10] addrconf_add_dev+0xe2/0x170 [ 7249.639542][ T10] inet6_addr_add+0x12f/0xa40 [ 7249.639542][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7249.639542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7249.639542][ T10] netlink_rcv_skb+0x130/0x360 [ 7249.639542][ T10] netlink_unicast+0x449/0x710 [ 7249.639542][ T10] netlink_sendmsg+0x723/0xbe0 [ 7249.639542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7249.639542][ T10] ___sys_sendmsg+0xee/0x170 [ 7249.639542][ T10] __sys_sendmsg+0xcd/0x170 [ 7249.639542][ T10] do_syscall_64+0xc6/0x1e0 [ 7249.639542][ T10] [ 7249.641533][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7249.641533][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7249.641533][ T10] ipv6_find_idev+0x102/0x170 [ 7249.641533][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7249.641533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7249.641533][ T10] netlink_rcv_skb+0x130/0x360 [ 7249.641533][ T10] netlink_unicast+0x449/0x710 [ 7249.641533][ T10] netlink_sendmsg+0x723/0xbe0 [ 7249.641533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7249.641533][ T10] ___sys_sendmsg+0xee/0x170 [ 7249.641533][ T10] __sys_sendmsg+0xcd/0x170 [ 7249.641533][ T10] do_syscall_64+0xc6/0x1e0 [ 7249.641533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7249.641533][ T10] [ 7249.643098][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7249.643098][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7249.643098][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7249.643098][ T10] ipv6_find_idev+0x102/0x170 [ 7249.643098][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7249.643098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7249.643098][ T10] netlink_rcv_skb+0x130/0x360 [ 7249.643098][ T10] netlink_unicast+0x449/0x710 [ 7249.643098][ T10] netlink_sendmsg+0x723/0xbe0 [ 7249.643098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7249.643098][ T10] ___sys_sendmsg+0xee/0x170 [ 7249.643098][ T10] __sys_sendmsg+0xcd/0x170 [ 7249.643098][ T10] do_syscall_64+0xc6/0x1e0 [ 7249.643098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7249.643098][ T10] [ 7249.644837][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7249.645101][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7249.645101][ T10] netdev_get_by_index+0x5e/0x80 [ 7249.645101][ T10] fib6_nh_init+0x3d8/0x1580 [ 7249.645101][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7249.645101][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7249.645101][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7249.645101][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7249.645101][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7249.645101][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7249.645101][ T10] addrconf_dad_begin+0x310/0x670 [ 7249.645101][ T10] addrconf_dad_work+0x10b/0xab0 [ 7249.645101][ T10] process_one_work+0x84d/0x18a0 [ 7249.645101][ T10] worker_thread+0x587/0xd30 [ 7249.645101][ T10] kthread+0x28a/0x350 [ 7249.645101][ T10] ret_from_fork+0x31/0x70 [ 7249.645101][ T10] ret_from_fork_asm+0x1a/0x30 [ 7249.645101][ T10] [ 7249.647052][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7249.647052][ T10] netdev_get_by_index+0x5e/0x80 [ 7249.647052][ T10] fib6_nh_init+0x3d8/0x1580 [ 7249.647052][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7249.647052][ T10] ip6_route_add+0x1c/0x140 [ 7249.647052][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7249.647052][ T10] inet6_addr_add+0x4f8/0xa40 [ 7249.647052][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7249.647052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7249.647052][ T10] netlink_rcv_skb+0x130/0x360 [ 7249.647052][ T10] netlink_unicast+0x449/0x710 [ 7249.647052][ T10] netlink_sendmsg+0x723/0xbe0 [ 7249.647052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7249.647052][ T10] ___sys_sendmsg+0xee/0x170 [ 7249.647052][ T10] __sys_sendmsg+0xcd/0x170 [ 7249.647052][ T10] do_syscall_64+0xc6/0x1e0 [ 7249.647052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7249.647052][ T10] [ 7249.649098][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7249.649098][ T10] netdev_get_by_index+0x5e/0x80 [ 7249.649098][ T10] fib6_nh_init+0x3d8/0x1580 [ 7249.649098][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7249.649098][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7249.649098][ T10] ipv6_add_addr+0x411/0x2000 [ 7249.649098][ T10] inet6_addr_add+0x30e/0xa40 [ 7249.649098][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7249.649098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7249.649098][ T10] netlink_rcv_skb+0x130/0x360 [ 7249.649098][ T10] netlink_unicast+0x449/0x710 [ 7249.649098][ T10] netlink_sendmsg+0x723/0xbe0 [ 7249.649098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7249.649098][ T10] ___sys_sendmsg+0xee/0x170 [ 7249.649098][ T10] __sys_sendmsg+0xcd/0x170 [ 7249.649098][ T10] do_syscall_64+0xc6/0x1e0 [ 7249.649098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7249.649098][ T10] [ 7249.651177][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7249.651177][ T10] netdev_get_by_index+0x5e/0x80 [ 7249.651177][ T10] fib6_nh_init+0x3d8/0x1580 [ 7249.651177][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7249.651177][ T10] ip6_route_add+0x1c/0x140 [ 7249.651177][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7249.651177][ T10] addrconf_add_dev+0xe2/0x170 [ 7249.651177][ T10] inet6_addr_add+0x12f/0xa40 [ 7249.651177][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7249.651177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7249.651177][ T10] netlink_rcv_skb+0x130/0x360 [ 7249.651177][ T10] netlink_unicast+0x449/0x710 [ 7249.651177][ T10] netlink_sendmsg+0x723/0xbe0 [ 7249.651177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7249.651177][ T10] ___sys_sendmsg+0xee/0x170 [ 7249.651177][ T10] __sys_sendmsg+0xcd/0x170 [ 7249.651177][ T10] do_syscall_64+0xc6/0x1e0 [ 7249.651177][ T10] [ 7249.653175][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7249.653175][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7249.653175][ T10] ipv6_find_idev+0x102/0x170 [ 7249.653175][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7249.653175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7249.653175][ T10] netlink_rcv_skb+0x130/0x360 [ 7249.653175][ T10] netlink_unicast+0x449/0x710 [ 7249.653175][ T10] netlink_sendmsg+0x723/0xbe0 [ 7249.653175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7249.653175][ T10] ___sys_sendmsg+0xee/0x170 [ 7249.653175][ T10] __sys_sendmsg+0xcd/0x170 [ 7249.653175][ T10] do_syscall_64+0xc6/0x1e0 [ 7249.653175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7249.653175][ T10] [ 7249.654747][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7249.654747][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7249.654747][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7249.654747][ T10] ipv6_find_idev+0x102/0x170 [ 7249.654747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7249.654747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7249.654747][ T10] netlink_rcv_skb+0x130/0x360 [ 7249.654747][ T10] netlink_unicast+0x449/0x710 [ 7249.654747][ T10] netlink_sendmsg+0x723/0xbe0 [ 7249.654747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7249.654747][ T10] ___sys_sendmsg+0xee/0x170 [ 7249.654747][ T10] __sys_sendmsg+0xcd/0x170 [ 7249.654747][ T10] do_syscall_64+0xc6/0x1e0 [ 7249.654747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7249.654747][ T10] [ 7249.656470][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7249.656718][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7249.656718][ T10] netdev_get_by_index+0x5e/0x80 [ 7249.656718][ T10] fib6_nh_init+0x3d8/0x1580 [ 7249.656718][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7249.656718][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7249.656718][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7249.656718][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7249.656718][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7249.656718][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7249.656718][ T10] addrconf_dad_begin+0x310/0x670 [ 7249.656718][ T10] addrconf_dad_work+0x10b/0xab0 [ 7249.656718][ T10] process_one_work+0x84d/0x18a0 [ 7249.656718][ T10] worker_thread+0x587/0xd30 [ 7249.656718][ T10] kthread+0x28a/0x350 [ 7249.656718][ T10] ret_from_fork+0x31/0x70 [ 7249.656718][ T10] ret_from_fork_asm+0x1a/0x30 [ 7249.656718][ T10] [ 7249.658689][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7249.658689][ T10] netdev_get_by_index+0x5e/0x80 [ 7249.658689][ T10] fib6_nh_init+0x3d8/0x1580 [ 7249.658689][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7249.658689][ T10] ip6_route_add+0x1c/0x140 [ 7249.658689][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7249.658689][ T10] inet6_addr_add+0x4f8/0xa40 [ 7249.658689][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7249.658689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7249.658689][ T10] netlink_rcv_skb+0x130/0x360 [ 7249.658689][ T10] netlink_unicast+0x449/0x710 [ 7249.658689][ T10] netlink_sendmsg+0x723/0xbe0 [ 7249.658689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7249.658689][ T10] ___sys_sendmsg+0xee/0x170 [ 7249.658689][ T10] __sys_sendmsg+0xcd/0x170 [ 7249.658689][ T10] do_syscall_64+0xc6/0x1e0 [ 7249.658689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7249.658689][ T10] [ 7249.660880][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7249.660880][ T10] netdev_get_by_index+0x5e/0x80 [ 7249.660880][ T10] fib6_nh_init+0x3d8/0x1580 [ 7249.660880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7249.660880][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7249.660880][ T10] ipv6_add_addr+0x411/0x2000 [ 7249.660880][ T10] inet6_addr_add+0x30e/0xa40 [ 7249.660880][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7249.660880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7249.660880][ T10] netlink_rcv_skb+0x130/0x360 [ 7249.660880][ T10] netlink_unicast+0x449/0x710 [ 7249.660880][ T10] netlink_sendmsg+0x723/0xbe0 [ 7249.660880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7249.660880][ T10] ___sys_sendmsg+0xee/0x170 [ 7249.660880][ T10] __sys_sendmsg+0xcd/0x170 [ 7249.660880][ T10] do_syscall_64+0xc6/0x1e0 [ 7249.660880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7249.660880][ T10] [ 7249.663074][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7249.663074][ T10] netdev_get_by_index+0x5e/0x80 [ 7249.663074][ T10] fib6_nh_init+0x3d8/0x1580 [ 7249.663074][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7249.663074][ T10] ip6_route_add+0x1c/0x140 [ 7249.663074][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7249.663074][ T10] addrconf_add_dev+0xe2/0x170 [ 7249.663074][ T10] inet6_addr_add+0x12f/0xa40 [ 7249.663074][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7249.663074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7249.663074][ T10] netlink_rcv_skb+0x130/0x360 [ 7249.663074][ T10] netlink_unicast+0x449/0x710 [ 7249.663074][ T10] netlink_sendmsg+0x723/0xbe0 [ 7249.663074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7249.663074][ T10] ___sys_sendmsg+0xee/0x170 [ 7249.663074][ T10] __sys_sendmsg+0xcd/0x170 [ 7249.663074][ T10] do_syscall_64+0xc6/0x1e0 [ 7249.663074][ T10] [ 7249.665159][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7249.665159][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7249.665159][ T10] ipv6_find_idev+0x102/0x170 [ 7249.665159][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7249.665159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7249.665159][ T10] netlink_rcv_skb+0x130/0x360 [ 7249.665159][ T10] netlink_unicast+0x449/0x710 [ 7249.665159][ T10] netlink_sendmsg+0x723/0xbe0 [ 7249.665159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7249.665159][ T10] ___sys_sendmsg+0xee/0x170 [ 7249.665159][ T10] __sys_sendmsg+0xcd/0x170 [ 7249.665159][ T10] do_syscall_64+0xc6/0x1e0 [ 7249.665159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7249.665159][ T10] [ 7249.666873][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7249.666873][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7249.666873][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7249.666873][ T10] ipv6_find_idev+0x102/0x170 [ 7249.666873][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7249.666873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7249.666873][ T10] netlink_rcv_skb+0x130/0x360 [ 7249.666873][ T10] netlink_unicast+0x449/0x710 [ 7249.666873][ T10] netlink_sendmsg+0x723/0xbe0 [ 7249.666873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7249.666873][ T10] ___sys_sendmsg+0xee/0x170 [ 7249.666873][ T10] __sys_sendmsg+0xcd/0x170 [ 7249.666873][ T10] do_syscall_64+0xc6/0x1e0 [ 7249.666873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7249.666873][ T10] [ 7249.668727][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7249.668966][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7249.668966][ T10] netdev_get_by_index+0x5e/0x80 [ 7249.668966][ T10] fib6_nh_init+0x3d8/0x1580 [ 7249.668966][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7249.668966][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7249.668966][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7249.668966][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7249.668966][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7249.668966][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7249.668966][ T10] addrconf_dad_begin+0x310/0x670 [ 7249.668966][ T10] addrconf_dad_work+0x10b/0xab0 [ 7249.668966][ T10] process_one_work+0x84d/0x18a0 [ 7249.668966][ T10] worker_thread+0x587/0xd30 [ 7249.668966][ T10] kthread+0x28a/0x350 [ 7249.668966][ T10] ret_from_fork+0x31/0x70 [ 7249.668966][ T10] ret_from_fork_asm+0x1a/0x30 [ 7249.668966][ T10] [ 7249.671135][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7249.671135][ T10] netdev_get_by_index+0x5e/0x80 [ 7249.671135][ T10] fib6_nh_init+0x3d8/0x1580 [ 7249.671135][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7249.671135][ T10] ip6_route_add+0x1c/0x140 [ 7249.671135][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7249.671135][ T10] inet6_addr_add+0x4f8/0xa40 [ 7249.671135][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7249.671135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7249.671135][ T10] netlink_rcv_skb+0x130/0x360 [ 7249.671135][ T10] netlink_unicast+0x449/0x710 [ 7249.671135][ T10] netlink_sendmsg+0x723/0xbe0 [ 7249.671135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7249.671135][ T10] ___sys_sendmsg+0xee/0x170 [ 7249.671135][ T10] __sys_sendmsg+0xcd/0x170 [ 7249.671135][ T10] do_syscall_64+0xc6/0x1e0 [ 7249.671135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7249.671135][ T10] [ 7249.673331][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7249.673331][ T10] netdev_get_by_index+0x5e/0x80 [ 7249.673331][ T10] fib6_nh_init+0x3d8/0x1580 [ 7249.673331][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7249.673331][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7249.673331][ T10] ipv6_add_addr+0x411/0x2000 [ 7249.673331][ T10] inet6_addr_add+0x30e/0xa40 [ 7249.673331][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7249.673331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7249.673331][ T10] netlink_rcv_skb+0x130/0x360 [ 7249.673331][ T10] netlink_unicast+0x449/0x710 [ 7249.673331][ T10] netlink_sendmsg+0x723/0xbe0 [ 7249.673331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7249.673331][ T10] ___sys_sendmsg+0xee/0x170 [ 7249.673331][ T10] __sys_sendmsg+0xcd/0x170 [ 7249.673331][ T10] do_syscall_64+0xc6/0x1e0 [ 7249.673331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7249.673331][ T10] [ 7249.675448][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7249.675448][ T10] netdev_get_by_index+0x5e/0x80 [ 7249.675448][ T10] fib6_nh_init+0x3d8/0x1580 [ 7249.675448][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7249.675448][ T10] ip6_route_add+0x1c/0x140 [ 7249.675448][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7249.675448][ T10] addrconf_add_dev+0xe2/0x170 [ 7249.675448][ T10] inet6_addr_add+0x12f/0xa40 [ 7249.675448][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7249.675448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7249.675448][ T10] netlink_rcv_skb+0x130/0x360 [ 7249.675448][ T10] netlink_unicast+0x449/0x710 [ 7249.675448][ T10] netlink_sendmsg+0x723/0xbe0 [ 7249.675448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7249.675448][ T10] ___sys_sendmsg+0xee/0x170 [ 7249.675448][ T10] __sys_sendmsg+0xcd/0x170 [ 7249.675448][ T10] do_syscall_64+0xc6/0x1e0 [ 7249.675448][ T10] [ 7249.677589][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7249.677589][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7249.677589][ T10] ipv6_find_idev+0x102/0x170 [ 7249.677589][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7249.677589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7249.677589][ T10] netlink_rcv_skb+0x130/0x360 [ 7249.677589][ T10] netlink_unicast+0x449/0x710 [ 7249.677589][ T10] netlink_sendmsg+0x723/0xbe0 [ 7249.677589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7249.677589][ T10] ___sys_sendmsg+0xee/0x170 [ 7249.677589][ T10] __sys_sendmsg+0xcd/0x170 [ 7249.677589][ T10] do_syscall_64+0xc6/0x1e0 [ 7249.677589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7249.677589][ T10] [ 7249.679824][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7249.679824][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7249.679824][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7249.679824][ T10] ipv6_find_idev+0x102/0x170 [ 7249.679824][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7249.679824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7249.679824][ T10] netlink_rcv_skb+0x130/0x360 [ 7249.679824][ T10] netlink_unicast+0x449/0x710 [ 7249.679824][ T10] netlink_sendmsg+0x723/0xbe0 [ 7249.679824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7249.679824][ T10] ___sys_sendmsg+0xee/0x170 [ 7249.679824][ T10] __sys_sendmsg+0xcd/0x170 [ 7249.679824][ T10] do_syscall_64+0xc6/0x1e0 [ 7249.679824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7249.679824][ T10] [ 7254.225143][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7254.225636][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7254.225636][ T1167] dst_init+0x84/0x4a0 [ 7254.225636][ T1167] dst_alloc+0x97/0x150 [ 7254.225636][ T1167] ip6_dst_alloc+0x23/0x90 [ 7254.225636][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7254.225636][ T1167] ip6_pol_route+0x56f/0x840 [ 7254.225636][ T1167] fib6_rule_lookup+0x334/0x630 [ 7254.225636][ T1167] ip6_route_output_flags+0x259/0x480 [ 7254.225636][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7254.225636][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7254.225636][ T1167] netlink_rcv_skb+0x130/0x360 [ 7254.225636][ T1167] netlink_unicast+0x449/0x710 [ 7254.225636][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7254.225636][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7254.225636][ T1167] ___sys_sendmsg+0xee/0x170 [ 7254.225636][ T1167] __sys_sendmsg+0xcd/0x170 [ 7254.225636][ T1167] do_syscall_64+0xc6/0x1e0 [ 7254.225636][ T1167] [ 7254.227865][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7254.227865][ T1167] netdev_get_by_index+0x5e/0x80 [ 7254.227865][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7254.227865][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7254.227865][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7254.227865][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7254.227865][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7254.227865][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7254.227865][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7254.227865][ T1167] addrconf_dad_begin+0x310/0x670 [ 7254.227865][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7254.227865][ T1167] process_one_work+0x84d/0x18a0 [ 7254.227865][ T1167] worker_thread+0x587/0xd30 [ 7254.227865][ T1167] kthread+0x28a/0x350 [ 7254.227865][ T1167] ret_from_fork+0x31/0x70 [ 7254.227865][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7254.227865][ T1167] [ 7254.230038][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7254.230038][ T1167] netdev_get_by_index+0x5e/0x80 [ 7254.230038][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7254.230038][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7254.230038][ T1167] ip6_route_add+0x1c/0x140 [ 7254.230038][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7254.230038][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7254.230038][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7254.230038][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7254.230038][ T1167] netlink_rcv_skb+0x130/0x360 [ 7254.230038][ T1167] netlink_unicast+0x449/0x710 [ 7254.230038][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7254.230038][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7254.230038][ T1167] ___sys_sendmsg+0xee/0x170 [ 7254.230038][ T1167] __sys_sendmsg+0xcd/0x170 [ 7254.230038][ T1167] do_syscall_64+0xc6/0x1e0 [ 7254.230038][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7254.230038][ T1167] [ 7254.232301][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7254.232301][ T1167] netdev_get_by_index+0x5e/0x80 [ 7254.232301][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7254.232301][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7254.232301][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7254.232301][ T1167] ipv6_add_addr+0x411/0x2000 [ 7254.232301][ T1167] inet6_addr_add+0x30e/0xa40 [ 7254.232301][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7254.232301][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7254.232301][ T1167] netlink_rcv_skb+0x130/0x360 [ 7254.232301][ T1167] netlink_unicast+0x449/0x710 [ 7254.232301][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7254.232301][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7254.232301][ T1167] ___sys_sendmsg+0xee/0x170 [ 7254.232301][ T1167] __sys_sendmsg+0xcd/0x170 [ 7254.232301][ T1167] do_syscall_64+0xc6/0x1e0 [ 7254.232301][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7254.232301][ T1167] [ 7254.234597][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7254.234597][ T1167] netdev_get_by_index+0x5e/0x80 [ 7254.234597][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7254.234597][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7254.234597][ T1167] ip6_route_add+0x1c/0x140 [ 7254.234597][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7254.234597][ T1167] addrconf_add_dev+0xe2/0x170 [ 7254.234597][ T1167] inet6_addr_add+0x12f/0xa40 [ 7254.234597][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7254.234597][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7254.234597][ T1167] netlink_rcv_skb+0x130/0x360 [ 7254.234597][ T1167] netlink_unicast+0x449/0x710 [ 7254.234597][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7254.234597][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7254.234597][ T1167] ___sys_sendmsg+0xee/0x170 [ 7254.234597][ T1167] __sys_sendmsg+0xcd/0x170 [ 7254.234597][ T1167] do_syscall_64+0xc6/0x1e0 [ 7254.234597][ T1167] [ 7254.236815][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7254.236815][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7254.236815][ T1167] ipv6_find_idev+0x102/0x170 [ 7254.236815][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7254.236815][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7254.236815][ T1167] netlink_rcv_skb+0x130/0x360 [ 7254.236815][ T1167] netlink_unicast+0x449/0x710 [ 7254.236815][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7254.236815][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7254.236815][ T1167] ___sys_sendmsg+0xee/0x170 [ 7254.236815][ T1167] __sys_sendmsg+0xcd/0x170 [ 7254.236815][ T1167] do_syscall_64+0xc6/0x1e0 [ 7254.236815][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7254.236815][ T1167] [ 7254.238551][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7254.238551][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7254.238551][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7254.238551][ T1167] ipv6_find_idev+0x102/0x170 [ 7254.238551][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7254.238551][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7254.238551][ T1167] netlink_rcv_skb+0x130/0x360 [ 7254.238551][ T1167] netlink_unicast+0x449/0x710 [ 7254.238551][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7254.238551][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7254.238551][ T1167] ___sys_sendmsg+0xee/0x170 [ 7254.238551][ T1167] __sys_sendmsg+0xcd/0x170 [ 7254.238551][ T1167] do_syscall_64+0xc6/0x1e0 [ 7254.238551][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7254.238551][ T1167] [ 7259.937128][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7259.937537][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7259.937537][ T10] netdev_get_by_index+0x5e/0x80 [ 7259.937537][ T10] fib6_nh_init+0x3d8/0x1580 [ 7259.937537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7259.937537][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7259.937537][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7259.937537][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7259.937537][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7259.937537][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7259.937537][ T10] addrconf_dad_begin+0x310/0x670 [ 7259.937537][ T10] addrconf_dad_work+0x10b/0xab0 [ 7259.937537][ T10] process_one_work+0x84d/0x18a0 [ 7259.937537][ T10] worker_thread+0x587/0xd30 [ 7259.937537][ T10] kthread+0x28a/0x350 [ 7259.937537][ T10] ret_from_fork+0x31/0x70 [ 7259.937537][ T10] ret_from_fork_asm+0x1a/0x30 [ 7259.937537][ T10] [ 7259.939586][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7259.939586][ T10] netdev_get_by_index+0x5e/0x80 [ 7259.939586][ T10] fib6_nh_init+0x3d8/0x1580 [ 7259.939586][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7259.939586][ T10] ip6_route_add+0x1c/0x140 [ 7259.939586][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7259.939586][ T10] inet6_addr_add+0x4f8/0xa40 [ 7259.939586][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7259.939586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7259.939586][ T10] netlink_rcv_skb+0x130/0x360 [ 7259.939586][ T10] netlink_unicast+0x449/0x710 [ 7259.939586][ T10] netlink_sendmsg+0x723/0xbe0 [ 7259.939586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7259.939586][ T10] ___sys_sendmsg+0xee/0x170 [ 7259.939586][ T10] __sys_sendmsg+0xcd/0x170 [ 7259.939586][ T10] do_syscall_64+0xc6/0x1e0 [ 7259.939586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7259.939586][ T10] [ 7259.941609][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7259.941609][ T10] netdev_get_by_index+0x5e/0x80 [ 7259.941609][ T10] fib6_nh_init+0x3d8/0x1580 [ 7259.941609][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7259.941609][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7259.941609][ T10] ipv6_add_addr+0x411/0x2000 [ 7259.941609][ T10] inet6_addr_add+0x30e/0xa40 [ 7259.941609][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7259.941609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7259.941609][ T10] netlink_rcv_skb+0x130/0x360 [ 7259.941609][ T10] netlink_unicast+0x449/0x710 [ 7259.941609][ T10] netlink_sendmsg+0x723/0xbe0 [ 7259.941609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7259.941609][ T10] ___sys_sendmsg+0xee/0x170 [ 7259.941609][ T10] __sys_sendmsg+0xcd/0x170 [ 7259.941609][ T10] do_syscall_64+0xc6/0x1e0 [ 7259.941609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7259.941609][ T10] [ 7259.943611][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7259.943611][ T10] netdev_get_by_index+0x5e/0x80 [ 7259.943611][ T10] fib6_nh_init+0x3d8/0x1580 [ 7259.943611][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7259.943611][ T10] ip6_route_add+0x1c/0x140 [ 7259.943611][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7259.943611][ T10] addrconf_add_dev+0xe2/0x170 [ 7259.943611][ T10] inet6_addr_add+0x12f/0xa40 [ 7259.943611][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7259.943611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7259.943611][ T10] netlink_rcv_skb+0x130/0x360 [ 7259.943611][ T10] netlink_unicast+0x449/0x710 [ 7259.943611][ T10] netlink_sendmsg+0x723/0xbe0 [ 7259.943611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7259.943611][ T10] ___sys_sendmsg+0xee/0x170 [ 7259.943611][ T10] __sys_sendmsg+0xcd/0x170 [ 7259.943611][ T10] do_syscall_64+0xc6/0x1e0 [ 7259.943611][ T10] [ 7259.945593][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7259.945593][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7259.945593][ T10] ipv6_find_idev+0x102/0x170 [ 7259.945593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7259.945593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7259.945593][ T10] netlink_rcv_skb+0x130/0x360 [ 7259.945593][ T10] netlink_unicast+0x449/0x710 [ 7259.945593][ T10] netlink_sendmsg+0x723/0xbe0 [ 7259.945593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7259.945593][ T10] ___sys_sendmsg+0xee/0x170 [ 7259.945593][ T10] __sys_sendmsg+0xcd/0x170 [ 7259.945593][ T10] do_syscall_64+0xc6/0x1e0 [ 7259.945593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7259.945593][ T10] [ 7259.947134][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7259.947134][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7259.947134][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7259.947134][ T10] ipv6_find_idev+0x102/0x170 [ 7259.947134][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7259.947134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7259.947134][ T10] netlink_rcv_skb+0x130/0x360 [ 7259.947134][ T10] netlink_unicast+0x449/0x710 [ 7259.947134][ T10] netlink_sendmsg+0x723/0xbe0 [ 7259.947134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7259.947134][ T10] ___sys_sendmsg+0xee/0x170 [ 7259.947134][ T10] __sys_sendmsg+0xcd/0x170 [ 7259.947134][ T10] do_syscall_64+0xc6/0x1e0 [ 7259.947134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7259.947134][ T10] [ 7259.948838][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7259.949102][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7259.949102][ T10] netdev_get_by_index+0x5e/0x80 [ 7259.949102][ T10] fib6_nh_init+0x3d8/0x1580 [ 7259.949102][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7259.949102][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7259.949102][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7259.949102][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7259.949102][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7259.949102][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7259.949102][ T10] addrconf_dad_begin+0x310/0x670 [ 7259.949102][ T10] addrconf_dad_work+0x10b/0xab0 [ 7259.949102][ T10] process_one_work+0x84d/0x18a0 [ 7259.949102][ T10] worker_thread+0x587/0xd30 [ 7259.949102][ T10] kthread+0x28a/0x350 [ 7259.949102][ T10] ret_from_fork+0x31/0x70 [ 7259.949102][ T10] ret_from_fork_asm+0x1a/0x30 [ 7259.949102][ T10] [ 7259.951026][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7259.951026][ T10] netdev_get_by_index+0x5e/0x80 [ 7259.951026][ T10] fib6_nh_init+0x3d8/0x1580 [ 7259.951026][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7259.951026][ T10] ip6_route_add+0x1c/0x140 [ 7259.951026][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7259.951026][ T10] inet6_addr_add+0x4f8/0xa40 [ 7259.951026][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7259.951026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7259.951026][ T10] netlink_rcv_skb+0x130/0x360 [ 7259.951026][ T10] netlink_unicast+0x449/0x710 [ 7259.951026][ T10] netlink_sendmsg+0x723/0xbe0 [ 7259.951026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7259.951026][ T10] ___sys_sendmsg+0xee/0x170 [ 7259.951026][ T10] __sys_sendmsg+0xcd/0x170 [ 7259.951026][ T10] do_syscall_64+0xc6/0x1e0 [ 7259.951026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7259.951026][ T10] [ 7259.953035][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7259.953035][ T10] netdev_get_by_index+0x5e/0x80 [ 7259.953035][ T10] fib6_nh_init+0x3d8/0x1580 [ 7259.953035][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7259.953035][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7259.953035][ T10] ipv6_add_addr+0x411/0x2000 [ 7259.953035][ T10] inet6_addr_add+0x30e/0xa40 [ 7259.953035][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7259.953035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7259.953035][ T10] netlink_rcv_skb+0x130/0x360 [ 7259.953035][ T10] netlink_unicast+0x449/0x710 [ 7259.953035][ T10] netlink_sendmsg+0x723/0xbe0 [ 7259.953035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7259.953035][ T10] ___sys_sendmsg+0xee/0x170 [ 7259.953035][ T10] __sys_sendmsg+0xcd/0x170 [ 7259.953035][ T10] do_syscall_64+0xc6/0x1e0 [ 7259.953035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7259.953035][ T10] [ 7259.955042][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7259.955042][ T10] netdev_get_by_index+0x5e/0x80 [ 7259.955042][ T10] fib6_nh_init+0x3d8/0x1580 [ 7259.955042][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7259.955042][ T10] ip6_route_add+0x1c/0x140 [ 7259.955042][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7259.955042][ T10] addrconf_add_dev+0xe2/0x170 [ 7259.955042][ T10] inet6_addr_add+0x12f/0xa40 [ 7259.955042][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7259.955042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7259.955042][ T10] netlink_rcv_skb+0x130/0x360 [ 7259.955042][ T10] netlink_unicast+0x449/0x710 [ 7259.955042][ T10] netlink_sendmsg+0x723/0xbe0 [ 7259.955042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7259.955042][ T10] ___sys_sendmsg+0xee/0x170 [ 7259.955042][ T10] __sys_sendmsg+0xcd/0x170 [ 7259.955042][ T10] do_syscall_64+0xc6/0x1e0 [ 7259.955042][ T10] [ 7259.957015][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7259.957015][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7259.957015][ T10] ipv6_find_idev+0x102/0x170 [ 7259.957015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7259.957015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7259.957015][ T10] netlink_rcv_skb+0x130/0x360 [ 7259.957015][ T10] netlink_unicast+0x449/0x710 [ 7259.957015][ T10] netlink_sendmsg+0x723/0xbe0 [ 7259.957015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7259.957015][ T10] ___sys_sendmsg+0xee/0x170 [ 7259.957015][ T10] __sys_sendmsg+0xcd/0x170 [ 7259.957015][ T10] do_syscall_64+0xc6/0x1e0 [ 7259.957015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7259.957015][ T10] [ 7259.958557][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7259.958557][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7259.958557][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7259.958557][ T10] ipv6_find_idev+0x102/0x170 [ 7259.958557][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7259.958557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7259.958557][ T10] netlink_rcv_skb+0x130/0x360 [ 7259.958557][ T10] netlink_unicast+0x449/0x710 [ 7259.958557][ T10] netlink_sendmsg+0x723/0xbe0 [ 7259.958557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7259.958557][ T10] ___sys_sendmsg+0xee/0x170 [ 7259.958557][ T10] __sys_sendmsg+0xcd/0x170 [ 7259.958557][ T10] do_syscall_64+0xc6/0x1e0 [ 7259.958557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7259.958557][ T10] [ 7259.960259][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7259.960495][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7259.960495][ T10] netdev_get_by_index+0x5e/0x80 [ 7259.960495][ T10] fib6_nh_init+0x3d8/0x1580 [ 7259.960495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7259.960495][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7259.960495][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7259.960495][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7259.960495][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7259.960495][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7259.960495][ T10] addrconf_dad_begin+0x310/0x670 [ 7259.960495][ T10] addrconf_dad_work+0x10b/0xab0 [ 7259.960495][ T10] process_one_work+0x84d/0x18a0 [ 7259.960495][ T10] worker_thread+0x587/0xd30 [ 7259.960495][ T10] kthread+0x28a/0x350 [ 7259.960495][ T10] ret_from_fork+0x31/0x70 [ 7259.960495][ T10] ret_from_fork_asm+0x1a/0x30 [ 7259.960495][ T10] [ 7259.962413][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7259.962413][ T10] netdev_get_by_index+0x5e/0x80 [ 7259.962413][ T10] fib6_nh_init+0x3d8/0x1580 [ 7259.962413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7259.962413][ T10] ip6_route_add+0x1c/0x140 [ 7259.962413][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7259.962413][ T10] inet6_addr_add+0x4f8/0xa40 [ 7259.962413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7259.962413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7259.962413][ T10] netlink_rcv_skb+0x130/0x360 [ 7259.962413][ T10] netlink_unicast+0x449/0x710 [ 7259.962413][ T10] netlink_sendmsg+0x723/0xbe0 [ 7259.962413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7259.962413][ T10] ___sys_sendmsg+0xee/0x170 [ 7259.962413][ T10] __sys_sendmsg+0xcd/0x170 [ 7259.962413][ T10] do_syscall_64+0xc6/0x1e0 [ 7259.962413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7259.962413][ T10] [ 7259.964703][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7259.964703][ T10] netdev_get_by_index+0x5e/0x80 [ 7259.964703][ T10] fib6_nh_init+0x3d8/0x1580 [ 7259.964703][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7259.964703][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7259.964703][ T10] ipv6_add_addr+0x411/0x2000 [ 7259.964703][ T10] inet6_addr_add+0x30e/0xa40 [ 7259.964703][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7259.964703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7259.964703][ T10] netlink_rcv_skb+0x130/0x360 [ 7259.964703][ T10] netlink_unicast+0x449/0x710 [ 7259.964703][ T10] netlink_sendmsg+0x723/0xbe0 [ 7259.964703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7259.964703][ T10] ___sys_sendmsg+0xee/0x170 [ 7259.964703][ T10] __sys_sendmsg+0xcd/0x170 [ 7259.964703][ T10] do_syscall_64+0xc6/0x1e0 [ 7259.964703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7259.964703][ T10] [ 7259.967029][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7259.967029][ T10] netdev_get_by_index+0x5e/0x80 [ 7259.967029][ T10] fib6_nh_init+0x3d8/0x1580 [ 7259.967029][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7259.967029][ T10] ip6_route_add+0x1c/0x140 [ 7259.967029][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7259.967029][ T10] addrconf_add_dev+0xe2/0x170 [ 7259.967029][ T10] inet6_addr_add+0x12f/0xa40 [ 7259.967029][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7259.967029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7259.967029][ T10] netlink_rcv_skb+0x130/0x360 [ 7259.967029][ T10] netlink_unicast+0x449/0x710 [ 7259.967029][ T10] netlink_sendmsg+0x723/0xbe0 [ 7259.967029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7259.967029][ T10] ___sys_sendmsg+0xee/0x170 [ 7259.967029][ T10] __sys_sendmsg+0xcd/0x170 [ 7259.967029][ T10] do_syscall_64+0xc6/0x1e0 [ 7259.967029][ T10] [ 7259.969188][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7259.969188][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7259.969188][ T10] ipv6_find_idev+0x102/0x170 [ 7259.969188][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7259.969188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7259.969188][ T10] netlink_rcv_skb+0x130/0x360 [ 7259.969188][ T10] netlink_unicast+0x449/0x710 [ 7259.969188][ T10] netlink_sendmsg+0x723/0xbe0 [ 7259.969188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7259.969188][ T10] ___sys_sendmsg+0xee/0x170 [ 7259.969188][ T10] __sys_sendmsg+0xcd/0x170 [ 7259.969188][ T10] do_syscall_64+0xc6/0x1e0 [ 7259.969188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7259.969188][ T10] [ 7259.970927][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7259.970927][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7259.970927][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7259.970927][ T10] ipv6_find_idev+0x102/0x170 [ 7259.970927][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7259.970927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7259.970927][ T10] netlink_rcv_skb+0x130/0x360 [ 7259.970927][ T10] netlink_unicast+0x449/0x710 [ 7259.970927][ T10] netlink_sendmsg+0x723/0xbe0 [ 7259.970927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7259.970927][ T10] ___sys_sendmsg+0xee/0x170 [ 7259.970927][ T10] __sys_sendmsg+0xcd/0x170 [ 7259.970927][ T10] do_syscall_64+0xc6/0x1e0 [ 7259.970927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7259.970927][ T10] [ 7259.972816][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7259.973494][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7259.973494][ T10] netdev_get_by_index+0x5e/0x80 [ 7259.973494][ T10] fib6_nh_init+0x3d8/0x1580 [ 7259.973494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7259.973494][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7259.973494][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7259.973494][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7259.973494][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7259.973494][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7259.973494][ T10] addrconf_dad_begin+0x310/0x670 [ 7259.973494][ T10] addrconf_dad_work+0x10b/0xab0 [ 7259.973494][ T10] process_one_work+0x84d/0x18a0 [ 7259.973494][ T10] worker_thread+0x587/0xd30 [ 7259.973494][ T10] kthread+0x28a/0x350 [ 7259.973494][ T10] ret_from_fork+0x31/0x70 [ 7259.973494][ T10] ret_from_fork_asm+0x1a/0x30 [ 7259.973494][ T10] [ 7259.975422][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7259.975422][ T10] netdev_get_by_index+0x5e/0x80 [ 7259.975422][ T10] fib6_nh_init+0x3d8/0x1580 [ 7259.975422][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7259.975422][ T10] ip6_route_add+0x1c/0x140 [ 7259.975422][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7259.975422][ T10] inet6_addr_add+0x4f8/0xa40 [ 7259.975422][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7259.975422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7259.975422][ T10] netlink_rcv_skb+0x130/0x360 [ 7259.975422][ T10] netlink_unicast+0x449/0x710 [ 7259.975422][ T10] netlink_sendmsg+0x723/0xbe0 [ 7259.975422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7259.975422][ T10] ___sys_sendmsg+0xee/0x170 [ 7259.975422][ T10] __sys_sendmsg+0xcd/0x170 [ 7259.975422][ T10] do_syscall_64+0xc6/0x1e0 [ 7259.975422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7259.975422][ T10] [ 7259.977546][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7259.977546][ T10] netdev_get_by_index+0x5e/0x80 [ 7259.977546][ T10] fib6_nh_init+0x3d8/0x1580 [ 7259.977546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7259.977546][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7259.977546][ T10] ipv6_add_addr+0x411/0x2000 [ 7259.977546][ T10] inet6_addr_add+0x30e/0xa40 [ 7259.977546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7259.977546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7259.977546][ T10] netlink_rcv_skb+0x130/0x360 [ 7259.977546][ T10] netlink_unicast+0x449/0x710 [ 7259.977546][ T10] netlink_sendmsg+0x723/0xbe0 [ 7259.977546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7259.977546][ T10] ___sys_sendmsg+0xee/0x170 [ 7259.977546][ T10] __sys_sendmsg+0xcd/0x170 [ 7259.977546][ T10] do_syscall_64+0xc6/0x1e0 [ 7259.977546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7259.977546][ T10] [ 7259.979794][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7259.979794][ T10] netdev_get_by_index+0x5e/0x80 [ 7259.979794][ T10] fib6_nh_init+0x3d8/0x1580 [ 7259.979794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7259.979794][ T10] ip6_route_add+0x1c/0x140 [ 7259.979794][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7259.979794][ T10] addrconf_add_dev+0xe2/0x170 [ 7259.979794][ T10] inet6_addr_add+0x12f/0xa40 [ 7259.979794][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7259.979794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7259.979794][ T10] netlink_rcv_skb+0x130/0x360 [ 7259.979794][ T10] netlink_unicast+0x449/0x710 [ 7259.979794][ T10] netlink_sendmsg+0x723/0xbe0 [ 7259.979794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7259.979794][ T10] ___sys_sendmsg+0xee/0x170 [ 7259.979794][ T10] __sys_sendmsg+0xcd/0x170 [ 7259.979794][ T10] do_syscall_64+0xc6/0x1e0 [ 7259.979794][ T10] [ 7259.981994][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7259.981994][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7259.981994][ T10] ipv6_find_idev+0x102/0x170 [ 7259.981994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7259.981994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7259.981994][ T10] netlink_rcv_skb+0x130/0x360 [ 7259.981994][ T10] netlink_unicast+0x449/0x710 [ 7259.981994][ T10] netlink_sendmsg+0x723/0xbe0 [ 7259.981994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7259.981994][ T10] ___sys_sendmsg+0xee/0x170 [ 7259.981994][ T10] __sys_sendmsg+0xcd/0x170 [ 7259.981994][ T10] do_syscall_64+0xc6/0x1e0 [ 7259.981994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7259.981994][ T10] [ 7259.983714][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7259.983714][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7259.983714][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7259.983714][ T10] ipv6_find_idev+0x102/0x170 [ 7259.983714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7259.983714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7259.983714][ T10] netlink_rcv_skb+0x130/0x360 [ 7259.983714][ T10] netlink_unicast+0x449/0x710 [ 7259.983714][ T10] netlink_sendmsg+0x723/0xbe0 [ 7259.983714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7259.983714][ T10] ___sys_sendmsg+0xee/0x170 [ 7259.983714][ T10] __sys_sendmsg+0xcd/0x170 [ 7259.983714][ T10] do_syscall_64+0xc6/0x1e0 [ 7259.983714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7259.983714][ T10] [ 7264.345142][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7264.345720][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7264.345720][ T1167] dst_init+0x84/0x4a0 [ 7264.345720][ T1167] dst_alloc+0x97/0x150 [ 7264.345720][ T1167] ip6_dst_alloc+0x23/0x90 [ 7264.345720][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7264.345720][ T1167] ip6_pol_route+0x56f/0x840 [ 7264.345720][ T1167] fib6_rule_lookup+0x334/0x630 [ 7264.345720][ T1167] ip6_route_output_flags+0x259/0x480 [ 7264.345720][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7264.345720][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7264.345720][ T1167] netlink_rcv_skb+0x130/0x360 [ 7264.345720][ T1167] netlink_unicast+0x449/0x710 [ 7264.345720][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7264.345720][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7264.345720][ T1167] ___sys_sendmsg+0xee/0x170 [ 7264.345720][ T1167] __sys_sendmsg+0xcd/0x170 [ 7264.345720][ T1167] do_syscall_64+0xc6/0x1e0 [ 7264.345720][ T1167] [ 7264.348194][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7264.348194][ T1167] netdev_get_by_index+0x5e/0x80 [ 7264.348194][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7264.348194][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7264.348194][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7264.348194][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7264.348194][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7264.348194][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7264.348194][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7264.348194][ T1167] addrconf_dad_begin+0x310/0x670 [ 7264.348194][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7264.348194][ T1167] process_one_work+0x84d/0x18a0 [ 7264.348194][ T1167] worker_thread+0x587/0xd30 [ 7264.348194][ T1167] kthread+0x28a/0x350 [ 7264.348194][ T1167] ret_from_fork+0x31/0x70 [ 7264.348194][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7264.348194][ T1167] [ 7264.350624][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7264.350624][ T1167] netdev_get_by_index+0x5e/0x80 [ 7264.350624][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7264.350624][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7264.350624][ T1167] ip6_route_add+0x1c/0x140 [ 7264.350624][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7264.350624][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7264.350624][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7264.350624][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7264.350624][ T1167] netlink_rcv_skb+0x130/0x360 [ 7264.350624][ T1167] netlink_unicast+0x449/0x710 [ 7264.350624][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7264.350624][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7264.350624][ T1167] ___sys_sendmsg+0xee/0x170 [ 7264.350624][ T1167] __sys_sendmsg+0xcd/0x170 [ 7264.350624][ T1167] do_syscall_64+0xc6/0x1e0 [ 7264.350624][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7264.350624][ T1167] [ 7264.353163][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7264.353163][ T1167] netdev_get_by_index+0x5e/0x80 [ 7264.353163][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7264.353163][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7264.353163][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7264.353163][ T1167] ipv6_add_addr+0x411/0x2000 [ 7264.353163][ T1167] inet6_addr_add+0x30e/0xa40 [ 7264.353163][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7264.353163][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7264.353163][ T1167] netlink_rcv_skb+0x130/0x360 [ 7264.353163][ T1167] netlink_unicast+0x449/0x710 [ 7264.353163][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7264.353163][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7264.353163][ T1167] ___sys_sendmsg+0xee/0x170 [ 7264.353163][ T1167] __sys_sendmsg+0xcd/0x170 [ 7264.353163][ T1167] do_syscall_64+0xc6/0x1e0 [ 7264.353163][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7264.353163][ T1167] [ 7264.355674][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7264.355674][ T1167] netdev_get_by_index+0x5e/0x80 [ 7264.355674][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7264.355674][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7264.355674][ T1167] ip6_route_add+0x1c/0x140 [ 7264.355674][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7264.355674][ T1167] addrconf_add_dev+0xe2/0x170 [ 7264.355674][ T1167] inet6_addr_add+0x12f/0xa40 [ 7264.355674][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7264.355674][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7264.355674][ T1167] netlink_rcv_skb+0x130/0x360 [ 7264.355674][ T1167] netlink_unicast+0x449/0x710 [ 7264.355674][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7264.355674][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7264.355674][ T1167] ___sys_sendmsg+0xee/0x170 [ 7264.355674][ T1167] __sys_sendmsg+0xcd/0x170 [ 7264.355674][ T1167] do_syscall_64+0xc6/0x1e0 [ 7264.355674][ T1167] [ 7264.358155][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7264.358155][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7264.358155][ T1167] ipv6_find_idev+0x102/0x170 [ 7264.358155][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7264.358155][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7264.358155][ T1167] netlink_rcv_skb+0x130/0x360 [ 7264.358155][ T1167] netlink_unicast+0x449/0x710 [ 7264.358155][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7264.358155][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7264.358155][ T1167] ___sys_sendmsg+0xee/0x170 [ 7264.358155][ T1167] __sys_sendmsg+0xcd/0x170 [ 7264.358155][ T1167] do_syscall_64+0xc6/0x1e0 [ 7264.358155][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7264.358155][ T1167] [ 7264.360099][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7264.360099][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7264.360099][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7264.360099][ T1167] ipv6_find_idev+0x102/0x170 [ 7264.360099][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7264.360099][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7264.360099][ T1167] netlink_rcv_skb+0x130/0x360 [ 7264.360099][ T1167] netlink_unicast+0x449/0x710 [ 7264.360099][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7264.360099][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7264.360099][ T1167] ___sys_sendmsg+0xee/0x170 [ 7264.360099][ T1167] __sys_sendmsg+0xcd/0x170 [ 7264.360099][ T1167] do_syscall_64+0xc6/0x1e0 [ 7264.360099][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7264.360099][ T1167] [ 7270.177227][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7270.177724][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7270.177724][ T10] netdev_get_by_index+0x5e/0x80 [ 7270.177724][ T10] fib6_nh_init+0x3d8/0x1580 [ 7270.177724][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7270.177724][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7270.177724][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7270.177724][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7270.177724][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7270.177724][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7270.177724][ T10] addrconf_dad_begin+0x310/0x670 [ 7270.177724][ T10] addrconf_dad_work+0x10b/0xab0 [ 7270.177724][ T10] process_one_work+0x84d/0x18a0 [ 7270.177724][ T10] worker_thread+0x587/0xd30 [ 7270.177724][ T10] kthread+0x28a/0x350 [ 7270.177724][ T10] ret_from_fork+0x31/0x70 [ 7270.177724][ T10] ret_from_fork_asm+0x1a/0x30 [ 7270.177724][ T10] [ 7270.179939][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7270.179939][ T10] netdev_get_by_index+0x5e/0x80 [ 7270.179939][ T10] fib6_nh_init+0x3d8/0x1580 [ 7270.179939][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7270.179939][ T10] ip6_route_add+0x1c/0x140 [ 7270.179939][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7270.179939][ T10] inet6_addr_add+0x4f8/0xa40 [ 7270.179939][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7270.179939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7270.179939][ T10] netlink_rcv_skb+0x130/0x360 [ 7270.179939][ T10] netlink_unicast+0x449/0x710 [ 7270.179939][ T10] netlink_sendmsg+0x723/0xbe0 [ 7270.179939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7270.179939][ T10] ___sys_sendmsg+0xee/0x170 [ 7270.179939][ T10] __sys_sendmsg+0xcd/0x170 [ 7270.179939][ T10] do_syscall_64+0xc6/0x1e0 [ 7270.179939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7270.179939][ T10] [ 7270.182220][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7270.182220][ T10] netdev_get_by_index+0x5e/0x80 [ 7270.182220][ T10] fib6_nh_init+0x3d8/0x1580 [ 7270.182220][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7270.182220][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7270.182220][ T10] ipv6_add_addr+0x411/0x2000 [ 7270.182220][ T10] inet6_addr_add+0x30e/0xa40 [ 7270.182220][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7270.182220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7270.182220][ T10] netlink_rcv_skb+0x130/0x360 [ 7270.182220][ T10] netlink_unicast+0x449/0x710 [ 7270.182220][ T10] netlink_sendmsg+0x723/0xbe0 [ 7270.182220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7270.182220][ T10] ___sys_sendmsg+0xee/0x170 [ 7270.182220][ T10] __sys_sendmsg+0xcd/0x170 [ 7270.182220][ T10] do_syscall_64+0xc6/0x1e0 [ 7270.182220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7270.182220][ T10] [ 7270.184514][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7270.184514][ T10] netdev_get_by_index+0x5e/0x80 [ 7270.184514][ T10] fib6_nh_init+0x3d8/0x1580 [ 7270.184514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7270.184514][ T10] ip6_route_add+0x1c/0x140 [ 7270.184514][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7270.184514][ T10] addrconf_add_dev+0xe2/0x170 [ 7270.184514][ T10] inet6_addr_add+0x12f/0xa40 [ 7270.184514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7270.184514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7270.184514][ T10] netlink_rcv_skb+0x130/0x360 [ 7270.184514][ T10] netlink_unicast+0x449/0x710 [ 7270.184514][ T10] netlink_sendmsg+0x723/0xbe0 [ 7270.184514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7270.184514][ T10] ___sys_sendmsg+0xee/0x170 [ 7270.184514][ T10] __sys_sendmsg+0xcd/0x170 [ 7270.184514][ T10] do_syscall_64+0xc6/0x1e0 [ 7270.184514][ T10] [ 7270.186763][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7270.186763][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7270.186763][ T10] ipv6_find_idev+0x102/0x170 [ 7270.186763][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7270.186763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7270.186763][ T10] netlink_rcv_skb+0x130/0x360 [ 7270.186763][ T10] netlink_unicast+0x449/0x710 [ 7270.186763][ T10] netlink_sendmsg+0x723/0xbe0 [ 7270.186763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7270.186763][ T10] ___sys_sendmsg+0xee/0x170 [ 7270.186763][ T10] __sys_sendmsg+0xcd/0x170 [ 7270.186763][ T10] do_syscall_64+0xc6/0x1e0 [ 7270.186763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7270.186763][ T10] [ 7270.188522][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7270.188522][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7270.188522][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7270.188522][ T10] ipv6_find_idev+0x102/0x170 [ 7270.188522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7270.188522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7270.188522][ T10] netlink_rcv_skb+0x130/0x360 [ 7270.188522][ T10] netlink_unicast+0x449/0x710 [ 7270.188522][ T10] netlink_sendmsg+0x723/0xbe0 [ 7270.188522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7270.188522][ T10] ___sys_sendmsg+0xee/0x170 [ 7270.188522][ T10] __sys_sendmsg+0xcd/0x170 [ 7270.188522][ T10] do_syscall_64+0xc6/0x1e0 [ 7270.188522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7270.188522][ T10] [ 7270.190979][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7270.191273][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7270.191273][ T10] netdev_get_by_index+0x5e/0x80 [ 7270.191273][ T10] fib6_nh_init+0x3d8/0x1580 [ 7270.191273][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7270.191273][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7270.191273][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7270.191273][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7270.191273][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7270.191273][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7270.191273][ T10] addrconf_dad_begin+0x310/0x670 [ 7270.191273][ T10] addrconf_dad_work+0x10b/0xab0 [ 7270.191273][ T10] process_one_work+0x84d/0x18a0 [ 7270.191273][ T10] worker_thread+0x587/0xd30 [ 7270.191273][ T10] kthread+0x28a/0x350 [ 7270.191273][ T10] ret_from_fork+0x31/0x70 [ 7270.191273][ T10] ret_from_fork_asm+0x1a/0x30 [ 7270.191273][ T10] [ 7270.193452][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7270.193452][ T10] netdev_get_by_index+0x5e/0x80 [ 7270.193452][ T10] fib6_nh_init+0x3d8/0x1580 [ 7270.193452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7270.193452][ T10] ip6_route_add+0x1c/0x140 [ 7270.193452][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7270.193452][ T10] inet6_addr_add+0x4f8/0xa40 [ 7270.193452][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7270.193452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7270.193452][ T10] netlink_rcv_skb+0x130/0x360 [ 7270.193452][ T10] netlink_unicast+0x449/0x710 [ 7270.193452][ T10] netlink_sendmsg+0x723/0xbe0 [ 7270.193452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7270.193452][ T10] ___sys_sendmsg+0xee/0x170 [ 7270.193452][ T10] __sys_sendmsg+0xcd/0x170 [ 7270.193452][ T10] do_syscall_64+0xc6/0x1e0 [ 7270.193452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7270.193452][ T10] [ 7270.195734][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7270.195734][ T10] netdev_get_by_index+0x5e/0x80 [ 7270.195734][ T10] fib6_nh_init+0x3d8/0x1580 [ 7270.195734][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7270.195734][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7270.195734][ T10] ipv6_add_addr+0x411/0x2000 [ 7270.195734][ T10] inet6_addr_add+0x30e/0xa40 [ 7270.195734][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7270.195734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7270.195734][ T10] netlink_rcv_skb+0x130/0x360 [ 7270.195734][ T10] netlink_unicast+0x449/0x710 [ 7270.195734][ T10] netlink_sendmsg+0x723/0xbe0 [ 7270.195734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7270.195734][ T10] ___sys_sendmsg+0xee/0x170 [ 7270.195734][ T10] __sys_sendmsg+0xcd/0x170 [ 7270.195734][ T10] do_syscall_64+0xc6/0x1e0 [ 7270.195734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7270.195734][ T10] [ 7270.197997][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7270.197997][ T10] netdev_get_by_index+0x5e/0x80 [ 7270.197997][ T10] fib6_nh_init+0x3d8/0x1580 [ 7270.197997][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7270.197997][ T10] ip6_route_add+0x1c/0x140 [ 7270.197997][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7270.197997][ T10] addrconf_add_dev+0xe2/0x170 [ 7270.197997][ T10] inet6_addr_add+0x12f/0xa40 [ 7270.197997][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7270.197997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7270.197997][ T10] netlink_rcv_skb+0x130/0x360 [ 7270.197997][ T10] netlink_unicast+0x449/0x710 [ 7270.197997][ T10] netlink_sendmsg+0x723/0xbe0 [ 7270.197997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7270.197997][ T10] ___sys_sendmsg+0xee/0x170 [ 7270.197997][ T10] __sys_sendmsg+0xcd/0x170 [ 7270.197997][ T10] do_syscall_64+0xc6/0x1e0 [ 7270.197997][ T10] [ 7270.200222][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7270.200222][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7270.200222][ T10] ipv6_find_idev+0x102/0x170 [ 7270.200222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7270.200222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7270.200222][ T10] netlink_rcv_skb+0x130/0x360 [ 7270.200222][ T10] netlink_unicast+0x449/0x710 [ 7270.200222][ T10] netlink_sendmsg+0x723/0xbe0 [ 7270.200222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7270.200222][ T10] ___sys_sendmsg+0xee/0x170 [ 7270.200222][ T10] __sys_sendmsg+0xcd/0x170 [ 7270.200222][ T10] do_syscall_64+0xc6/0x1e0 [ 7270.200222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7270.200222][ T10] [ 7270.201964][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7270.201964][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7270.201964][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7270.201964][ T10] ipv6_find_idev+0x102/0x170 [ 7270.201964][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7270.201964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7270.201964][ T10] netlink_rcv_skb+0x130/0x360 [ 7270.201964][ T10] netlink_unicast+0x449/0x710 [ 7270.201964][ T10] netlink_sendmsg+0x723/0xbe0 [ 7270.201964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7270.201964][ T10] ___sys_sendmsg+0xee/0x170 [ 7270.201964][ T10] __sys_sendmsg+0xcd/0x170 [ 7270.201964][ T10] do_syscall_64+0xc6/0x1e0 [ 7270.201964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7270.201964][ T10] [ 7270.203854][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7270.204150][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7270.204150][ T10] netdev_get_by_index+0x5e/0x80 [ 7270.204150][ T10] fib6_nh_init+0x3d8/0x1580 [ 7270.204150][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7270.204150][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7270.204150][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7270.204150][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7270.204150][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7270.204150][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7270.204150][ T10] addrconf_dad_begin+0x310/0x670 [ 7270.204150][ T10] addrconf_dad_work+0x10b/0xab0 [ 7270.204150][ T10] process_one_work+0x84d/0x18a0 [ 7270.204150][ T10] worker_thread+0x587/0xd30 [ 7270.204150][ T10] kthread+0x28a/0x350 [ 7270.204150][ T10] ret_from_fork+0x31/0x70 [ 7270.204150][ T10] ret_from_fork_asm+0x1a/0x30 [ 7270.204150][ T10] [ 7270.206315][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7270.206315][ T10] netdev_get_by_index+0x5e/0x80 [ 7270.206315][ T10] fib6_nh_init+0x3d8/0x1580 [ 7270.206315][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7270.206315][ T10] ip6_route_add+0x1c/0x140 [ 7270.206315][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7270.206315][ T10] inet6_addr_add+0x4f8/0xa40 [ 7270.206315][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7270.206315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7270.206315][ T10] netlink_rcv_skb+0x130/0x360 [ 7270.206315][ T10] netlink_unicast+0x449/0x710 [ 7270.206315][ T10] netlink_sendmsg+0x723/0xbe0 [ 7270.206315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7270.206315][ T10] ___sys_sendmsg+0xee/0x170 [ 7270.206315][ T10] __sys_sendmsg+0xcd/0x170 [ 7270.206315][ T10] do_syscall_64+0xc6/0x1e0 [ 7270.206315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7270.206315][ T10] [ 7270.208774][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7270.208774][ T10] netdev_get_by_index+0x5e/0x80 [ 7270.208774][ T10] fib6_nh_init+0x3d8/0x1580 [ 7270.208774][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7270.208774][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7270.208774][ T10] ipv6_add_addr+0x411/0x2000 [ 7270.208774][ T10] inet6_addr_add+0x30e/0xa40 [ 7270.208774][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7270.208774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7270.208774][ T10] netlink_rcv_skb+0x130/0x360 [ 7270.208774][ T10] netlink_unicast+0x449/0x710 [ 7270.208774][ T10] netlink_sendmsg+0x723/0xbe0 [ 7270.208774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7270.208774][ T10] ___sys_sendmsg+0xee/0x170 [ 7270.208774][ T10] __sys_sendmsg+0xcd/0x170 [ 7270.208774][ T10] do_syscall_64+0xc6/0x1e0 [ 7270.208774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7270.208774][ T10] [ 7270.211370][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7270.211370][ T10] netdev_get_by_index+0x5e/0x80 [ 7270.211370][ T10] fib6_nh_init+0x3d8/0x1580 [ 7270.211370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7270.211370][ T10] ip6_route_add+0x1c/0x140 [ 7270.211370][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7270.211370][ T10] addrconf_add_dev+0xe2/0x170 [ 7270.211370][ T10] inet6_addr_add+0x12f/0xa40 [ 7270.211370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7270.211370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7270.211370][ T10] netlink_rcv_skb+0x130/0x360 [ 7270.211370][ T10] netlink_unicast+0x449/0x710 [ 7270.211370][ T10] netlink_sendmsg+0x723/0xbe0 [ 7270.211370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7270.211370][ T10] ___sys_sendmsg+0xee/0x170 [ 7270.211370][ T10] __sys_sendmsg+0xcd/0x170 [ 7270.211370][ T10] do_syscall_64+0xc6/0x1e0 [ 7270.211370][ T10] [ 7270.213865][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7270.213865][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7270.213865][ T10] ipv6_find_idev+0x102/0x170 [ 7270.213865][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7270.213865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7270.213865][ T10] netlink_rcv_skb+0x130/0x360 [ 7270.213865][ T10] netlink_unicast+0x449/0x710 [ 7270.213865][ T10] netlink_sendmsg+0x723/0xbe0 [ 7270.213865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7270.213865][ T10] ___sys_sendmsg+0xee/0x170 [ 7270.213865][ T10] __sys_sendmsg+0xcd/0x170 [ 7270.213865][ T10] do_syscall_64+0xc6/0x1e0 [ 7270.213865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7270.213865][ T10] [ 7270.215786][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7270.215786][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7270.215786][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7270.215786][ T10] ipv6_find_idev+0x102/0x170 [ 7270.215786][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7270.215786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7270.215786][ T10] netlink_rcv_skb+0x130/0x360 [ 7270.215786][ T10] netlink_unicast+0x449/0x710 [ 7270.215786][ T10] netlink_sendmsg+0x723/0xbe0 [ 7270.215786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7270.215786][ T10] ___sys_sendmsg+0xee/0x170 [ 7270.215786][ T10] __sys_sendmsg+0xcd/0x170 [ 7270.215786][ T10] do_syscall_64+0xc6/0x1e0 [ 7270.215786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7270.215786][ T10] [ 7270.217874][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7270.218203][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7270.218203][ T10] netdev_get_by_index+0x5e/0x80 [ 7270.218203][ T10] fib6_nh_init+0x3d8/0x1580 [ 7270.218203][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7270.218203][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7270.218203][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7270.218203][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7270.218203][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7270.218203][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7270.218203][ T10] addrconf_dad_begin+0x310/0x670 [ 7270.218203][ T10] addrconf_dad_work+0x10b/0xab0 [ 7270.218203][ T10] process_one_work+0x84d/0x18a0 [ 7270.218203][ T10] worker_thread+0x587/0xd30 [ 7270.218203][ T10] kthread+0x28a/0x350 [ 7270.218203][ T10] ret_from_fork+0x31/0x70 [ 7270.218203][ T10] ret_from_fork_asm+0x1a/0x30 [ 7270.218203][ T10] [ 7270.220613][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7270.220613][ T10] netdev_get_by_index+0x5e/0x80 [ 7270.220613][ T10] fib6_nh_init+0x3d8/0x1580 [ 7270.220613][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7270.220613][ T10] ip6_route_add+0x1c/0x140 [ 7270.220613][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7270.220613][ T10] inet6_addr_add+0x4f8/0xa40 [ 7270.220613][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7270.220613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7270.220613][ T10] netlink_rcv_skb+0x130/0x360 [ 7270.220613][ T10] netlink_unicast+0x449/0x710 [ 7270.220613][ T10] netlink_sendmsg+0x723/0xbe0 [ 7270.220613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7270.220613][ T10] ___sys_sendmsg+0xee/0x170 [ 7270.220613][ T10] __sys_sendmsg+0xcd/0x170 [ 7270.220613][ T10] do_syscall_64+0xc6/0x1e0 [ 7270.220613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7270.220613][ T10] [ 7270.223127][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7270.223127][ T10] netdev_get_by_index+0x5e/0x80 [ 7270.223127][ T10] fib6_nh_init+0x3d8/0x1580 [ 7270.223127][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7270.223127][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7270.223127][ T10] ipv6_add_addr+0x411/0x2000 [ 7270.223127][ T10] inet6_addr_add+0x30e/0xa40 [ 7270.223127][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7270.223127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7270.223127][ T10] netlink_rcv_skb+0x130/0x360 [ 7270.223127][ T10] netlink_unicast+0x449/0x710 [ 7270.223127][ T10] netlink_sendmsg+0x723/0xbe0 [ 7270.223127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7270.223127][ T10] ___sys_sendmsg+0xee/0x170 [ 7270.223127][ T10] __sys_sendmsg+0xcd/0x170 [ 7270.223127][ T10] do_syscall_64+0xc6/0x1e0 [ 7270.223127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7270.223127][ T10] [ 7270.225644][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7270.225644][ T10] netdev_get_by_index+0x5e/0x80 [ 7270.225644][ T10] fib6_nh_init+0x3d8/0x1580 [ 7270.225644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7270.225644][ T10] ip6_route_add+0x1c/0x140 [ 7270.225644][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7270.225644][ T10] addrconf_add_dev+0xe2/0x170 [ 7270.225644][ T10] inet6_addr_add+0x12f/0xa40 [ 7270.225644][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7270.225644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7270.225644][ T10] netlink_rcv_skb+0x130/0x360 [ 7270.225644][ T10] netlink_unicast+0x449/0x710 [ 7270.225644][ T10] netlink_sendmsg+0x723/0xbe0 [ 7270.225644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7270.225644][ T10] ___sys_sendmsg+0xee/0x170 [ 7270.225644][ T10] __sys_sendmsg+0xcd/0x170 [ 7270.225644][ T10] do_syscall_64+0xc6/0x1e0 [ 7270.225644][ T10] [ 7270.228124][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7270.228124][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7270.228124][ T10] ipv6_find_idev+0x102/0x170 [ 7270.228124][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7270.228124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7270.228124][ T10] netlink_rcv_skb+0x130/0x360 [ 7270.228124][ T10] netlink_unicast+0x449/0x710 [ 7270.228124][ T10] netlink_sendmsg+0x723/0xbe0 [ 7270.228124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7270.228124][ T10] ___sys_sendmsg+0xee/0x170 [ 7270.228124][ T10] __sys_sendmsg+0xcd/0x170 [ 7270.228124][ T10] do_syscall_64+0xc6/0x1e0 [ 7270.228124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7270.228124][ T10] [ 7270.230140][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7270.230140][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7270.230140][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7270.230140][ T10] ipv6_find_idev+0x102/0x170 [ 7270.230140][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7270.230140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7270.230140][ T10] netlink_rcv_skb+0x130/0x360 [ 7270.230140][ T10] netlink_unicast+0x449/0x710 [ 7270.230140][ T10] netlink_sendmsg+0x723/0xbe0 [ 7270.230140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7270.230140][ T10] ___sys_sendmsg+0xee/0x170 [ 7270.230140][ T10] __sys_sendmsg+0xcd/0x170 [ 7270.230140][ T10] do_syscall_64+0xc6/0x1e0 [ 7270.230140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7270.230140][ T10] [ 7274.529040][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7274.529590][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7274.529590][ T1167] dst_init+0x84/0x4a0 [ 7274.529590][ T1167] dst_alloc+0x97/0x150 [ 7274.529590][ T1167] ip6_dst_alloc+0x23/0x90 [ 7274.529590][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7274.529590][ T1167] ip6_pol_route+0x56f/0x840 [ 7274.529590][ T1167] fib6_rule_lookup+0x334/0x630 [ 7274.529590][ T1167] ip6_route_output_flags+0x259/0x480 [ 7274.529590][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7274.529590][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7274.529590][ T1167] netlink_rcv_skb+0x130/0x360 [ 7274.529590][ T1167] netlink_unicast+0x449/0x710 [ 7274.529590][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7274.529590][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7274.529590][ T1167] ___sys_sendmsg+0xee/0x170 [ 7274.529590][ T1167] __sys_sendmsg+0xcd/0x170 [ 7274.529590][ T1167] do_syscall_64+0xc6/0x1e0 [ 7274.529590][ T1167] [ 7274.532722][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7274.532722][ T1167] netdev_get_by_index+0x5e/0x80 [ 7274.532722][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7274.532722][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7274.532722][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7274.532722][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7274.532722][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7274.532722][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7274.532722][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7274.532722][ T1167] addrconf_dad_begin+0x310/0x670 [ 7274.532722][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7274.532722][ T1167] process_one_work+0x84d/0x18a0 [ 7274.532722][ T1167] worker_thread+0x587/0xd30 [ 7274.532722][ T1167] kthread+0x28a/0x350 [ 7274.532722][ T1167] ret_from_fork+0x31/0x70 [ 7274.532722][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7274.532722][ T1167] [ 7274.536399][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7274.536399][ T1167] netdev_get_by_index+0x5e/0x80 [ 7274.536399][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7274.536399][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7274.536399][ T1167] ip6_route_add+0x1c/0x140 [ 7274.536399][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7274.536399][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7274.536399][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7274.536399][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7274.536399][ T1167] netlink_rcv_skb+0x130/0x360 [ 7274.536399][ T1167] netlink_unicast+0x449/0x710 [ 7274.536399][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7274.536399][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7274.536399][ T1167] ___sys_sendmsg+0xee/0x170 [ 7274.536399][ T1167] __sys_sendmsg+0xcd/0x170 [ 7274.536399][ T1167] do_syscall_64+0xc6/0x1e0 [ 7274.536399][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7274.536399][ T1167] [ 7274.540050][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7274.540050][ T1167] netdev_get_by_index+0x5e/0x80 [ 7274.540050][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7274.540050][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7274.540050][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7274.540050][ T1167] ipv6_add_addr+0x411/0x2000 [ 7274.540050][ T1167] inet6_addr_add+0x30e/0xa40 [ 7274.540050][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7274.540050][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7274.540050][ T1167] netlink_rcv_skb+0x130/0x360 [ 7274.540050][ T1167] netlink_unicast+0x449/0x710 [ 7274.540050][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7274.540050][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7274.540050][ T1167] ___sys_sendmsg+0xee/0x170 [ 7274.540050][ T1167] __sys_sendmsg+0xcd/0x170 [ 7274.540050][ T1167] do_syscall_64+0xc6/0x1e0 [ 7274.540050][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7274.540050][ T1167] [ 7274.543608][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7274.543608][ T1167] netdev_get_by_index+0x5e/0x80 [ 7274.543608][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7274.543608][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7274.543608][ T1167] ip6_route_add+0x1c/0x140 [ 7274.543608][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7274.543608][ T1167] addrconf_add_dev+0xe2/0x170 [ 7274.543608][ T1167] inet6_addr_add+0x12f/0xa40 [ 7274.543608][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7274.543608][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7274.543608][ T1167] netlink_rcv_skb+0x130/0x360 [ 7274.543608][ T1167] netlink_unicast+0x449/0x710 [ 7274.543608][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7274.543608][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7274.543608][ T1167] ___sys_sendmsg+0xee/0x170 [ 7274.543608][ T1167] __sys_sendmsg+0xcd/0x170 [ 7274.543608][ T1167] do_syscall_64+0xc6/0x1e0 [ 7274.543608][ T1167] [ 7274.547199][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7274.547199][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7274.547199][ T1167] ipv6_find_idev+0x102/0x170 [ 7274.547199][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7274.547199][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7274.547199][ T1167] netlink_rcv_skb+0x130/0x360 [ 7274.547199][ T1167] netlink_unicast+0x449/0x710 [ 7274.547199][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7274.547199][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7274.547199][ T1167] ___sys_sendmsg+0xee/0x170 [ 7274.547199][ T1167] __sys_sendmsg+0xcd/0x170 [ 7274.547199][ T1167] do_syscall_64+0xc6/0x1e0 [ 7274.547199][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7274.547199][ T1167] [ 7274.549852][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7274.549852][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7274.549852][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7274.549852][ T1167] ipv6_find_idev+0x102/0x170 [ 7274.549852][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7274.549852][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7274.549852][ T1167] netlink_rcv_skb+0x130/0x360 [ 7274.549852][ T1167] netlink_unicast+0x449/0x710 [ 7274.549852][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7274.549852][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7274.549852][ T1167] ___sys_sendmsg+0xee/0x170 [ 7274.549852][ T1167] __sys_sendmsg+0xcd/0x170 [ 7274.549852][ T1167] do_syscall_64+0xc6/0x1e0 [ 7274.549852][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7274.549852][ T1167] [ 7280.473190][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7280.473612][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7280.473612][ T10] netdev_get_by_index+0x5e/0x80 [ 7280.473612][ T10] fib6_nh_init+0x3d8/0x1580 [ 7280.473612][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7280.473612][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7280.473612][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7280.473612][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7280.473612][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7280.473612][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7280.473612][ T10] addrconf_dad_begin+0x310/0x670 [ 7280.473612][ T10] addrconf_dad_work+0x10b/0xab0 [ 7280.473612][ T10] process_one_work+0x84d/0x18a0 [ 7280.473612][ T10] worker_thread+0x587/0xd30 [ 7280.473612][ T10] kthread+0x28a/0x350 [ 7280.473612][ T10] ret_from_fork+0x31/0x70 [ 7280.473612][ T10] ret_from_fork_asm+0x1a/0x30 [ 7280.473612][ T10] [ 7280.475601][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7280.475601][ T10] netdev_get_by_index+0x5e/0x80 [ 7280.475601][ T10] fib6_nh_init+0x3d8/0x1580 [ 7280.475601][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7280.475601][ T10] ip6_route_add+0x1c/0x140 [ 7280.475601][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7280.475601][ T10] inet6_addr_add+0x4f8/0xa40 [ 7280.475601][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7280.475601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7280.475601][ T10] netlink_rcv_skb+0x130/0x360 [ 7280.475601][ T10] netlink_unicast+0x449/0x710 [ 7280.475601][ T10] netlink_sendmsg+0x723/0xbe0 [ 7280.475601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7280.475601][ T10] ___sys_sendmsg+0xee/0x170 [ 7280.475601][ T10] __sys_sendmsg+0xcd/0x170 [ 7280.475601][ T10] do_syscall_64+0xc6/0x1e0 [ 7280.475601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7280.475601][ T10] [ 7280.477627][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7280.477627][ T10] netdev_get_by_index+0x5e/0x80 [ 7280.477627][ T10] fib6_nh_init+0x3d8/0x1580 [ 7280.477627][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7280.477627][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7280.477627][ T10] ipv6_add_addr+0x411/0x2000 [ 7280.477627][ T10] inet6_addr_add+0x30e/0xa40 [ 7280.477627][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7280.477627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7280.477627][ T10] netlink_rcv_skb+0x130/0x360 [ 7280.477627][ T10] netlink_unicast+0x449/0x710 [ 7280.477627][ T10] netlink_sendmsg+0x723/0xbe0 [ 7280.477627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7280.477627][ T10] ___sys_sendmsg+0xee/0x170 [ 7280.477627][ T10] __sys_sendmsg+0xcd/0x170 [ 7280.477627][ T10] do_syscall_64+0xc6/0x1e0 [ 7280.477627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7280.477627][ T10] [ 7280.479648][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7280.479648][ T10] netdev_get_by_index+0x5e/0x80 [ 7280.479648][ T10] fib6_nh_init+0x3d8/0x1580 [ 7280.479648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7280.479648][ T10] ip6_route_add+0x1c/0x140 [ 7280.479648][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7280.479648][ T10] addrconf_add_dev+0xe2/0x170 [ 7280.479648][ T10] inet6_addr_add+0x12f/0xa40 [ 7280.479648][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7280.479648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7280.479648][ T10] netlink_rcv_skb+0x130/0x360 [ 7280.479648][ T10] netlink_unicast+0x449/0x710 [ 7280.479648][ T10] netlink_sendmsg+0x723/0xbe0 [ 7280.479648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7280.479648][ T10] ___sys_sendmsg+0xee/0x170 [ 7280.479648][ T10] __sys_sendmsg+0xcd/0x170 [ 7280.479648][ T10] do_syscall_64+0xc6/0x1e0 [ 7280.479648][ T10] [ 7280.481625][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7280.481625][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7280.481625][ T10] ipv6_find_idev+0x102/0x170 [ 7280.481625][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7280.481625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7280.481625][ T10] netlink_rcv_skb+0x130/0x360 [ 7280.481625][ T10] netlink_unicast+0x449/0x710 [ 7280.481625][ T10] netlink_sendmsg+0x723/0xbe0 [ 7280.481625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7280.481625][ T10] ___sys_sendmsg+0xee/0x170 [ 7280.481625][ T10] __sys_sendmsg+0xcd/0x170 [ 7280.481625][ T10] do_syscall_64+0xc6/0x1e0 [ 7280.481625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7280.481625][ T10] [ 7280.483175][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7280.483175][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7280.483175][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7280.483175][ T10] ipv6_find_idev+0x102/0x170 [ 7280.483175][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7280.483175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7280.483175][ T10] netlink_rcv_skb+0x130/0x360 [ 7280.483175][ T10] netlink_unicast+0x449/0x710 [ 7280.483175][ T10] netlink_sendmsg+0x723/0xbe0 [ 7280.483175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7280.483175][ T10] ___sys_sendmsg+0xee/0x170 [ 7280.483175][ T10] __sys_sendmsg+0xcd/0x170 [ 7280.483175][ T10] do_syscall_64+0xc6/0x1e0 [ 7280.483175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7280.483175][ T10] [ 7280.484886][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7280.485138][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7280.485138][ T10] netdev_get_by_index+0x5e/0x80 [ 7280.485138][ T10] fib6_nh_init+0x3d8/0x1580 [ 7280.485138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7280.485138][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7280.485138][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7280.485138][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7280.485138][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7280.485138][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7280.485138][ T10] addrconf_dad_begin+0x310/0x670 [ 7280.485138][ T10] addrconf_dad_work+0x10b/0xab0 [ 7280.485138][ T10] process_one_work+0x84d/0x18a0 [ 7280.485138][ T10] worker_thread+0x587/0xd30 [ 7280.485138][ T10] kthread+0x28a/0x350 [ 7280.485138][ T10] ret_from_fork+0x31/0x70 [ 7280.485138][ T10] ret_from_fork_asm+0x1a/0x30 [ 7280.485138][ T10] [ 7280.487068][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7280.487068][ T10] netdev_get_by_index+0x5e/0x80 [ 7280.487068][ T10] fib6_nh_init+0x3d8/0x1580 [ 7280.487068][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7280.487068][ T10] ip6_route_add+0x1c/0x140 [ 7280.487068][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7280.487068][ T10] inet6_addr_add+0x4f8/0xa40 [ 7280.487068][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7280.487068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7280.487068][ T10] netlink_rcv_skb+0x130/0x360 [ 7280.487068][ T10] netlink_unicast+0x449/0x710 [ 7280.487068][ T10] netlink_sendmsg+0x723/0xbe0 [ 7280.487068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7280.487068][ T10] ___sys_sendmsg+0xee/0x170 [ 7280.487068][ T10] __sys_sendmsg+0xcd/0x170 [ 7280.487068][ T10] do_syscall_64+0xc6/0x1e0 [ 7280.487068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7280.487068][ T10] [ 7280.489079][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7280.489079][ T10] netdev_get_by_index+0x5e/0x80 [ 7280.489079][ T10] fib6_nh_init+0x3d8/0x1580 [ 7280.489079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7280.489079][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7280.489079][ T10] ipv6_add_addr+0x411/0x2000 [ 7280.489079][ T10] inet6_addr_add+0x30e/0xa40 [ 7280.489079][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7280.489079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7280.489079][ T10] netlink_rcv_skb+0x130/0x360 [ 7280.489079][ T10] netlink_unicast+0x449/0x710 [ 7280.489079][ T10] netlink_sendmsg+0x723/0xbe0 [ 7280.489079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7280.489079][ T10] ___sys_sendmsg+0xee/0x170 [ 7280.489079][ T10] __sys_sendmsg+0xcd/0x170 [ 7280.489079][ T10] do_syscall_64+0xc6/0x1e0 [ 7280.489079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7280.489079][ T10] [ 7280.491094][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7280.491094][ T10] netdev_get_by_index+0x5e/0x80 [ 7280.491094][ T10] fib6_nh_init+0x3d8/0x1580 [ 7280.491094][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7280.491094][ T10] ip6_route_add+0x1c/0x140 [ 7280.491094][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7280.491094][ T10] addrconf_add_dev+0xe2/0x170 [ 7280.491094][ T10] inet6_addr_add+0x12f/0xa40 [ 7280.491094][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7280.491094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7280.491094][ T10] netlink_rcv_skb+0x130/0x360 [ 7280.491094][ T10] netlink_unicast+0x449/0x710 [ 7280.491094][ T10] netlink_sendmsg+0x723/0xbe0 [ 7280.491094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7280.491094][ T10] ___sys_sendmsg+0xee/0x170 [ 7280.491094][ T10] __sys_sendmsg+0xcd/0x170 [ 7280.491094][ T10] do_syscall_64+0xc6/0x1e0 [ 7280.491094][ T10] [ 7280.493066][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7280.493066][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7280.493066][ T10] ipv6_find_idev+0x102/0x170 [ 7280.493066][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7280.493066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7280.493066][ T10] netlink_rcv_skb+0x130/0x360 [ 7280.493066][ T10] netlink_unicast+0x449/0x710 [ 7280.493066][ T10] netlink_sendmsg+0x723/0xbe0 [ 7280.493066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7280.493066][ T10] ___sys_sendmsg+0xee/0x170 [ 7280.493066][ T10] __sys_sendmsg+0xcd/0x170 [ 7280.493066][ T10] do_syscall_64+0xc6/0x1e0 [ 7280.493066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7280.493066][ T10] [ 7280.494624][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7280.494624][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7280.494624][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7280.494624][ T10] ipv6_find_idev+0x102/0x170 [ 7280.494624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7280.494624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7280.494624][ T10] netlink_rcv_skb+0x130/0x360 [ 7280.494624][ T10] netlink_unicast+0x449/0x710 [ 7280.494624][ T10] netlink_sendmsg+0x723/0xbe0 [ 7280.494624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7280.494624][ T10] ___sys_sendmsg+0xee/0x170 [ 7280.494624][ T10] __sys_sendmsg+0xcd/0x170 [ 7280.494624][ T10] do_syscall_64+0xc6/0x1e0 [ 7280.494624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7280.494624][ T10] [ 7280.496315][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7280.496555][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7280.496555][ T10] netdev_get_by_index+0x5e/0x80 [ 7280.496555][ T10] fib6_nh_init+0x3d8/0x1580 [ 7280.496555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7280.496555][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7280.496555][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7280.496555][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7280.496555][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7280.496555][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7280.496555][ T10] addrconf_dad_begin+0x310/0x670 [ 7280.496555][ T10] addrconf_dad_work+0x10b/0xab0 [ 7280.496555][ T10] process_one_work+0x84d/0x18a0 [ 7280.496555][ T10] worker_thread+0x587/0xd30 [ 7280.496555][ T10] kthread+0x28a/0x350 [ 7280.496555][ T10] ret_from_fork+0x31/0x70 [ 7280.496555][ T10] ret_from_fork_asm+0x1a/0x30 [ 7280.496555][ T10] [ 7280.498481][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7280.498481][ T10] netdev_get_by_index+0x5e/0x80 [ 7280.498481][ T10] fib6_nh_init+0x3d8/0x1580 [ 7280.498481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7280.498481][ T10] ip6_route_add+0x1c/0x140 [ 7280.498481][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7280.498481][ T10] inet6_addr_add+0x4f8/0xa40 [ 7280.498481][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7280.498481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7280.498481][ T10] netlink_rcv_skb+0x130/0x360 [ 7280.498481][ T10] netlink_unicast+0x449/0x710 [ 7280.498481][ T10] netlink_sendmsg+0x723/0xbe0 [ 7280.498481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7280.498481][ T10] ___sys_sendmsg+0xee/0x170 [ 7280.498481][ T10] __sys_sendmsg+0xcd/0x170 [ 7280.498481][ T10] do_syscall_64+0xc6/0x1e0 [ 7280.498481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7280.498481][ T10] [ 7280.500682][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7280.500682][ T10] netdev_get_by_index+0x5e/0x80 [ 7280.500682][ T10] fib6_nh_init+0x3d8/0x1580 [ 7280.500682][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7280.500682][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7280.500682][ T10] ipv6_add_addr+0x411/0x2000 [ 7280.500682][ T10] inet6_addr_add+0x30e/0xa40 [ 7280.500682][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7280.500682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7280.500682][ T10] netlink_rcv_skb+0x130/0x360 [ 7280.500682][ T10] netlink_unicast+0x449/0x710 [ 7280.500682][ T10] netlink_sendmsg+0x723/0xbe0 [ 7280.500682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7280.500682][ T10] ___sys_sendmsg+0xee/0x170 [ 7280.500682][ T10] __sys_sendmsg+0xcd/0x170 [ 7280.500682][ T10] do_syscall_64+0xc6/0x1e0 [ 7280.500682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7280.500682][ T10] [ 7280.503021][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7280.503021][ T10] netdev_get_by_index+0x5e/0x80 [ 7280.503021][ T10] fib6_nh_init+0x3d8/0x1580 [ 7280.503021][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7280.503021][ T10] ip6_route_add+0x1c/0x140 [ 7280.503021][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7280.503021][ T10] addrconf_add_dev+0xe2/0x170 [ 7280.503021][ T10] inet6_addr_add+0x12f/0xa40 [ 7280.503021][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7280.503021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7280.503021][ T10] netlink_rcv_skb+0x130/0x360 [ 7280.503021][ T10] netlink_unicast+0x449/0x710 [ 7280.503021][ T10] netlink_sendmsg+0x723/0xbe0 [ 7280.503021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7280.503021][ T10] ___sys_sendmsg+0xee/0x170 [ 7280.503021][ T10] __sys_sendmsg+0xcd/0x170 [ 7280.503021][ T10] do_syscall_64+0xc6/0x1e0 [ 7280.503021][ T10] [ 7280.505248][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7280.505248][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7280.505248][ T10] ipv6_find_idev+0x102/0x170 [ 7280.505248][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7280.505248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7280.505248][ T10] netlink_rcv_skb+0x130/0x360 [ 7280.505248][ T10] netlink_unicast+0x449/0x710 [ 7280.505248][ T10] netlink_sendmsg+0x723/0xbe0 [ 7280.505248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7280.505248][ T10] ___sys_sendmsg+0xee/0x170 [ 7280.505248][ T10] __sys_sendmsg+0xcd/0x170 [ 7280.505248][ T10] do_syscall_64+0xc6/0x1e0 [ 7280.505248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7280.505248][ T10] [ 7280.506981][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7280.506981][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7280.506981][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7280.506981][ T10] ipv6_find_idev+0x102/0x170 [ 7280.506981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7280.506981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7280.506981][ T10] netlink_rcv_skb+0x130/0x360 [ 7280.506981][ T10] netlink_unicast+0x449/0x710 [ 7280.506981][ T10] netlink_sendmsg+0x723/0xbe0 [ 7280.506981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7280.506981][ T10] ___sys_sendmsg+0xee/0x170 [ 7280.506981][ T10] __sys_sendmsg+0xcd/0x170 [ 7280.506981][ T10] do_syscall_64+0xc6/0x1e0 [ 7280.506981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7280.506981][ T10] [ 7280.508861][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7280.509596][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7280.509596][ T10] netdev_get_by_index+0x5e/0x80 [ 7280.509596][ T10] fib6_nh_init+0x3d8/0x1580 [ 7280.509596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7280.509596][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7280.509596][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7280.509596][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7280.509596][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7280.509596][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7280.509596][ T10] addrconf_dad_begin+0x310/0x670 [ 7280.509596][ T10] addrconf_dad_work+0x10b/0xab0 [ 7280.509596][ T10] process_one_work+0x84d/0x18a0 [ 7280.509596][ T10] worker_thread+0x587/0xd30 [ 7280.509596][ T10] kthread+0x28a/0x350 [ 7280.509596][ T10] ret_from_fork+0x31/0x70 [ 7280.509596][ T10] ret_from_fork_asm+0x1a/0x30 [ 7280.509596][ T10] [ 7280.511537][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7280.511537][ T10] netdev_get_by_index+0x5e/0x80 [ 7280.511537][ T10] fib6_nh_init+0x3d8/0x1580 [ 7280.511537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7280.511537][ T10] ip6_route_add+0x1c/0x140 [ 7280.511537][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7280.511537][ T10] inet6_addr_add+0x4f8/0xa40 [ 7280.511537][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7280.511537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7280.511537][ T10] netlink_rcv_skb+0x130/0x360 [ 7280.511537][ T10] netlink_unicast+0x449/0x710 [ 7280.511537][ T10] netlink_sendmsg+0x723/0xbe0 [ 7280.511537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7280.511537][ T10] ___sys_sendmsg+0xee/0x170 [ 7280.511537][ T10] __sys_sendmsg+0xcd/0x170 [ 7280.511537][ T10] do_syscall_64+0xc6/0x1e0 [ 7280.511537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7280.511537][ T10] [ 7280.513608][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7280.513608][ T10] netdev_get_by_index+0x5e/0x80 [ 7280.513608][ T10] fib6_nh_init+0x3d8/0x1580 [ 7280.513608][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7280.513608][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7280.513608][ T10] ipv6_add_addr+0x411/0x2000 [ 7280.513608][ T10] inet6_addr_add+0x30e/0xa40 [ 7280.513608][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7280.513608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7280.513608][ T10] netlink_rcv_skb+0x130/0x360 [ 7280.513608][ T10] netlink_unicast+0x449/0x710 [ 7280.513608][ T10] netlink_sendmsg+0x723/0xbe0 [ 7280.513608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7280.513608][ T10] ___sys_sendmsg+0xee/0x170 [ 7280.513608][ T10] __sys_sendmsg+0xcd/0x170 [ 7280.513608][ T10] do_syscall_64+0xc6/0x1e0 [ 7280.513608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7280.513608][ T10] [ 7280.515933][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7280.515933][ T10] netdev_get_by_index+0x5e/0x80 [ 7280.515933][ T10] fib6_nh_init+0x3d8/0x1580 [ 7280.515933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7280.515933][ T10] ip6_route_add+0x1c/0x140 [ 7280.515933][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7280.515933][ T10] addrconf_add_dev+0xe2/0x170 [ 7280.515933][ T10] inet6_addr_add+0x12f/0xa40 [ 7280.515933][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7280.515933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7280.515933][ T10] netlink_rcv_skb+0x130/0x360 [ 7280.515933][ T10] netlink_unicast+0x449/0x710 [ 7280.515933][ T10] netlink_sendmsg+0x723/0xbe0 [ 7280.515933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7280.515933][ T10] ___sys_sendmsg+0xee/0x170 [ 7280.515933][ T10] __sys_sendmsg+0xcd/0x170 [ 7280.515933][ T10] do_syscall_64+0xc6/0x1e0 [ 7280.515933][ T10] [ 7280.518149][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7280.518149][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7280.518149][ T10] ipv6_find_idev+0x102/0x170 [ 7280.518149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7280.518149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7280.518149][ T10] netlink_rcv_skb+0x130/0x360 [ 7280.518149][ T10] netlink_unicast+0x449/0x710 [ 7280.518149][ T10] netlink_sendmsg+0x723/0xbe0 [ 7280.518149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7280.518149][ T10] ___sys_sendmsg+0xee/0x170 [ 7280.518149][ T10] __sys_sendmsg+0xcd/0x170 [ 7280.518149][ T10] do_syscall_64+0xc6/0x1e0 [ 7280.518149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7280.518149][ T10] [ 7280.519870][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7280.519870][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7280.519870][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7280.519870][ T10] ipv6_find_idev+0x102/0x170 [ 7280.519870][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7280.519870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7280.519870][ T10] netlink_rcv_skb+0x130/0x360 [ 7280.519870][ T10] netlink_unicast+0x449/0x710 [ 7280.519870][ T10] netlink_sendmsg+0x723/0xbe0 [ 7280.519870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7280.519870][ T10] ___sys_sendmsg+0xee/0x170 [ 7280.519870][ T10] __sys_sendmsg+0xcd/0x170 [ 7280.519870][ T10] do_syscall_64+0xc6/0x1e0 [ 7280.519870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7280.519870][ T10] [ 7284.793138][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7284.793629][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7284.793629][ T1167] dst_init+0x84/0x4a0 [ 7284.793629][ T1167] dst_alloc+0x97/0x150 [ 7284.793629][ T1167] ip6_dst_alloc+0x23/0x90 [ 7284.793629][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7284.793629][ T1167] ip6_pol_route+0x56f/0x840 [ 7284.793629][ T1167] fib6_rule_lookup+0x334/0x630 [ 7284.793629][ T1167] ip6_route_output_flags+0x259/0x480 [ 7284.793629][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7284.793629][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7284.793629][ T1167] netlink_rcv_skb+0x130/0x360 [ 7284.793629][ T1167] netlink_unicast+0x449/0x710 [ 7284.793629][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7284.793629][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7284.793629][ T1167] ___sys_sendmsg+0xee/0x170 [ 7284.793629][ T1167] __sys_sendmsg+0xcd/0x170 [ 7284.793629][ T1167] do_syscall_64+0xc6/0x1e0 [ 7284.793629][ T1167] [ 7284.795870][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7284.795870][ T1167] netdev_get_by_index+0x5e/0x80 [ 7284.795870][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7284.795870][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7284.795870][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7284.795870][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7284.795870][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7284.795870][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7284.795870][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7284.795870][ T1167] addrconf_dad_begin+0x310/0x670 [ 7284.795870][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7284.795870][ T1167] process_one_work+0x84d/0x18a0 [ 7284.795870][ T1167] worker_thread+0x587/0xd30 [ 7284.795870][ T1167] kthread+0x28a/0x350 [ 7284.795870][ T1167] ret_from_fork+0x31/0x70 [ 7284.795870][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7284.795870][ T1167] [ 7284.798153][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7284.798153][ T1167] netdev_get_by_index+0x5e/0x80 [ 7284.798153][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7284.798153][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7284.798153][ T1167] ip6_route_add+0x1c/0x140 [ 7284.798153][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7284.798153][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7284.798153][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7284.798153][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7284.798153][ T1167] netlink_rcv_skb+0x130/0x360 [ 7284.798153][ T1167] netlink_unicast+0x449/0x710 [ 7284.798153][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7284.798153][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7284.798153][ T1167] ___sys_sendmsg+0xee/0x170 [ 7284.798153][ T1167] __sys_sendmsg+0xcd/0x170 [ 7284.798153][ T1167] do_syscall_64+0xc6/0x1e0 [ 7284.798153][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7284.798153][ T1167] [ 7284.800419][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7284.800419][ T1167] netdev_get_by_index+0x5e/0x80 [ 7284.800419][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7284.800419][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7284.800419][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7284.800419][ T1167] ipv6_add_addr+0x411/0x2000 [ 7284.800419][ T1167] inet6_addr_add+0x30e/0xa40 [ 7284.800419][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7284.800419][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7284.800419][ T1167] netlink_rcv_skb+0x130/0x360 [ 7284.800419][ T1167] netlink_unicast+0x449/0x710 [ 7284.800419][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7284.800419][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7284.800419][ T1167] ___sys_sendmsg+0xee/0x170 [ 7284.800419][ T1167] __sys_sendmsg+0xcd/0x170 [ 7284.800419][ T1167] do_syscall_64+0xc6/0x1e0 [ 7284.800419][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7284.800419][ T1167] [ 7284.802678][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7284.802678][ T1167] netdev_get_by_index+0x5e/0x80 [ 7284.802678][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7284.802678][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7284.802678][ T1167] ip6_route_add+0x1c/0x140 [ 7284.802678][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7284.802678][ T1167] addrconf_add_dev+0xe2/0x170 [ 7284.802678][ T1167] inet6_addr_add+0x12f/0xa40 [ 7284.802678][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7284.802678][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7284.802678][ T1167] netlink_rcv_skb+0x130/0x360 [ 7284.802678][ T1167] netlink_unicast+0x449/0x710 [ 7284.802678][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7284.802678][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7284.802678][ T1167] ___sys_sendmsg+0xee/0x170 [ 7284.802678][ T1167] __sys_sendmsg+0xcd/0x170 [ 7284.802678][ T1167] do_syscall_64+0xc6/0x1e0 [ 7284.802678][ T1167] [ 7284.804895][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7284.804895][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7284.804895][ T1167] ipv6_find_idev+0x102/0x170 [ 7284.804895][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7284.804895][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7284.804895][ T1167] netlink_rcv_skb+0x130/0x360 [ 7284.804895][ T1167] netlink_unicast+0x449/0x710 [ 7284.804895][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7284.804895][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7284.804895][ T1167] ___sys_sendmsg+0xee/0x170 [ 7284.804895][ T1167] __sys_sendmsg+0xcd/0x170 [ 7284.804895][ T1167] do_syscall_64+0xc6/0x1e0 [ 7284.804895][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7284.804895][ T1167] [ 7284.806633][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7284.806633][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7284.806633][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7284.806633][ T1167] ipv6_find_idev+0x102/0x170 [ 7284.806633][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7284.806633][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7284.806633][ T1167] netlink_rcv_skb+0x130/0x360 [ 7284.806633][ T1167] netlink_unicast+0x449/0x710 [ 7284.806633][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7284.806633][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7284.806633][ T1167] ___sys_sendmsg+0xee/0x170 [ 7284.806633][ T1167] __sys_sendmsg+0xcd/0x170 [ 7284.806633][ T1167] do_syscall_64+0xc6/0x1e0 [ 7284.806633][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7284.806633][ T1167] [ 7290.761122][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7290.761545][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7290.761545][ T10] netdev_get_by_index+0x5e/0x80 [ 7290.761545][ T10] fib6_nh_init+0x3d8/0x1580 [ 7290.761545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7290.761545][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7290.761545][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7290.761545][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7290.761545][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7290.761545][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7290.761545][ T10] addrconf_dad_begin+0x310/0x670 [ 7290.761545][ T10] addrconf_dad_work+0x10b/0xab0 [ 7290.761545][ T10] process_one_work+0x84d/0x18a0 [ 7290.761545][ T10] worker_thread+0x587/0xd30 [ 7290.761545][ T10] kthread+0x28a/0x350 [ 7290.761545][ T10] ret_from_fork+0x31/0x70 [ 7290.761545][ T10] ret_from_fork_asm+0x1a/0x30 [ 7290.761545][ T10] [ 7290.763506][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7290.763506][ T10] netdev_get_by_index+0x5e/0x80 [ 7290.763506][ T10] fib6_nh_init+0x3d8/0x1580 [ 7290.763506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7290.763506][ T10] ip6_route_add+0x1c/0x140 [ 7290.763506][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7290.763506][ T10] inet6_addr_add+0x4f8/0xa40 [ 7290.763506][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7290.763506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7290.763506][ T10] netlink_rcv_skb+0x130/0x360 [ 7290.763506][ T10] netlink_unicast+0x449/0x710 [ 7290.763506][ T10] netlink_sendmsg+0x723/0xbe0 [ 7290.763506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7290.763506][ T10] ___sys_sendmsg+0xee/0x170 [ 7290.763506][ T10] __sys_sendmsg+0xcd/0x170 [ 7290.763506][ T10] do_syscall_64+0xc6/0x1e0 [ 7290.763506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7290.763506][ T10] [ 7290.765531][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7290.765531][ T10] netdev_get_by_index+0x5e/0x80 [ 7290.765531][ T10] fib6_nh_init+0x3d8/0x1580 [ 7290.765531][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7290.765531][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7290.765531][ T10] ipv6_add_addr+0x411/0x2000 [ 7290.765531][ T10] inet6_addr_add+0x30e/0xa40 [ 7290.765531][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7290.765531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7290.765531][ T10] netlink_rcv_skb+0x130/0x360 [ 7290.765531][ T10] netlink_unicast+0x449/0x710 [ 7290.765531][ T10] netlink_sendmsg+0x723/0xbe0 [ 7290.765531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7290.765531][ T10] ___sys_sendmsg+0xee/0x170 [ 7290.765531][ T10] __sys_sendmsg+0xcd/0x170 [ 7290.765531][ T10] do_syscall_64+0xc6/0x1e0 [ 7290.765531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7290.765531][ T10] [ 7290.767669][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7290.767669][ T10] netdev_get_by_index+0x5e/0x80 [ 7290.767669][ T10] fib6_nh_init+0x3d8/0x1580 [ 7290.767669][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7290.767669][ T10] ip6_route_add+0x1c/0x140 [ 7290.767669][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7290.767669][ T10] addrconf_add_dev+0xe2/0x170 [ 7290.767669][ T10] inet6_addr_add+0x12f/0xa40 [ 7290.767669][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7290.767669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7290.767669][ T10] netlink_rcv_skb+0x130/0x360 [ 7290.767669][ T10] netlink_unicast+0x449/0x710 [ 7290.767669][ T10] netlink_sendmsg+0x723/0xbe0 [ 7290.767669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7290.767669][ T10] ___sys_sendmsg+0xee/0x170 [ 7290.767669][ T10] __sys_sendmsg+0xcd/0x170 [ 7290.767669][ T10] do_syscall_64+0xc6/0x1e0 [ 7290.767669][ T10] [ 7290.769676][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7290.769676][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7290.769676][ T10] ipv6_find_idev+0x102/0x170 [ 7290.769676][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7290.769676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7290.769676][ T10] netlink_rcv_skb+0x130/0x360 [ 7290.769676][ T10] netlink_unicast+0x449/0x710 [ 7290.769676][ T10] netlink_sendmsg+0x723/0xbe0 [ 7290.769676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7290.769676][ T10] ___sys_sendmsg+0xee/0x170 [ 7290.769676][ T10] __sys_sendmsg+0xcd/0x170 [ 7290.769676][ T10] do_syscall_64+0xc6/0x1e0 [ 7290.769676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7290.769676][ T10] [ 7290.771236][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7290.771236][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7290.771236][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7290.771236][ T10] ipv6_find_idev+0x102/0x170 [ 7290.771236][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7290.771236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7290.771236][ T10] netlink_rcv_skb+0x130/0x360 [ 7290.771236][ T10] netlink_unicast+0x449/0x710 [ 7290.771236][ T10] netlink_sendmsg+0x723/0xbe0 [ 7290.771236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7290.771236][ T10] ___sys_sendmsg+0xee/0x170 [ 7290.771236][ T10] __sys_sendmsg+0xcd/0x170 [ 7290.771236][ T10] do_syscall_64+0xc6/0x1e0 [ 7290.771236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7290.771236][ T10] [ 7290.772950][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7290.773228][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7290.773228][ T10] netdev_get_by_index+0x5e/0x80 [ 7290.773228][ T10] fib6_nh_init+0x3d8/0x1580 [ 7290.773228][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7290.773228][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7290.773228][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7290.773228][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7290.773228][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7290.773228][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7290.773228][ T10] addrconf_dad_begin+0x310/0x670 [ 7290.773228][ T10] addrconf_dad_work+0x10b/0xab0 [ 7290.773228][ T10] process_one_work+0x84d/0x18a0 [ 7290.773228][ T10] worker_thread+0x587/0xd30 [ 7290.773228][ T10] kthread+0x28a/0x350 [ 7290.773228][ T10] ret_from_fork+0x31/0x70 [ 7290.773228][ T10] ret_from_fork_asm+0x1a/0x30 [ 7290.773228][ T10] [ 7290.775179][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7290.775179][ T10] netdev_get_by_index+0x5e/0x80 [ 7290.775179][ T10] fib6_nh_init+0x3d8/0x1580 [ 7290.775179][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7290.775179][ T10] ip6_route_add+0x1c/0x140 [ 7290.775179][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7290.775179][ T10] inet6_addr_add+0x4f8/0xa40 [ 7290.775179][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7290.775179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7290.775179][ T10] netlink_rcv_skb+0x130/0x360 [ 7290.775179][ T10] netlink_unicast+0x449/0x710 [ 7290.775179][ T10] netlink_sendmsg+0x723/0xbe0 [ 7290.775179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7290.775179][ T10] ___sys_sendmsg+0xee/0x170 [ 7290.775179][ T10] __sys_sendmsg+0xcd/0x170 [ 7290.775179][ T10] do_syscall_64+0xc6/0x1e0 [ 7290.775179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7290.775179][ T10] [ 7290.777197][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7290.777197][ T10] netdev_get_by_index+0x5e/0x80 [ 7290.777197][ T10] fib6_nh_init+0x3d8/0x1580 [ 7290.777197][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7290.777197][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7290.777197][ T10] ipv6_add_addr+0x411/0x2000 [ 7290.777197][ T10] inet6_addr_add+0x30e/0xa40 [ 7290.777197][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7290.777197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7290.777197][ T10] netlink_rcv_skb+0x130/0x360 [ 7290.777197][ T10] netlink_unicast+0x449/0x710 [ 7290.777197][ T10] netlink_sendmsg+0x723/0xbe0 [ 7290.777197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7290.777197][ T10] ___sys_sendmsg+0xee/0x170 [ 7290.777197][ T10] __sys_sendmsg+0xcd/0x170 [ 7290.777197][ T10] do_syscall_64+0xc6/0x1e0 [ 7290.777197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7290.777197][ T10] [ 7290.779249][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7290.779249][ T10] netdev_get_by_index+0x5e/0x80 [ 7290.779249][ T10] fib6_nh_init+0x3d8/0x1580 [ 7290.779249][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7290.779249][ T10] ip6_route_add+0x1c/0x140 [ 7290.779249][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7290.779249][ T10] addrconf_add_dev+0xe2/0x170 [ 7290.779249][ T10] inet6_addr_add+0x12f/0xa40 [ 7290.779249][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7290.779249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7290.779249][ T10] netlink_rcv_skb+0x130/0x360 [ 7290.779249][ T10] netlink_unicast+0x449/0x710 [ 7290.779249][ T10] netlink_sendmsg+0x723/0xbe0 [ 7290.779249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7290.779249][ T10] ___sys_sendmsg+0xee/0x170 [ 7290.779249][ T10] __sys_sendmsg+0xcd/0x170 [ 7290.779249][ T10] do_syscall_64+0xc6/0x1e0 [ 7290.779249][ T10] [ 7290.781241][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7290.781241][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7290.781241][ T10] ipv6_find_idev+0x102/0x170 [ 7290.781241][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7290.781241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7290.781241][ T10] netlink_rcv_skb+0x130/0x360 [ 7290.781241][ T10] netlink_unicast+0x449/0x710 [ 7290.781241][ T10] netlink_sendmsg+0x723/0xbe0 [ 7290.781241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7290.781241][ T10] ___sys_sendmsg+0xee/0x170 [ 7290.781241][ T10] __sys_sendmsg+0xcd/0x170 [ 7290.781241][ T10] do_syscall_64+0xc6/0x1e0 [ 7290.781241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7290.781241][ T10] [ 7290.782798][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7290.782798][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7290.782798][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7290.782798][ T10] ipv6_find_idev+0x102/0x170 [ 7290.782798][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7290.782798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7290.782798][ T10] netlink_rcv_skb+0x130/0x360 [ 7290.782798][ T10] netlink_unicast+0x449/0x710 [ 7290.782798][ T10] netlink_sendmsg+0x723/0xbe0 [ 7290.782798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7290.782798][ T10] ___sys_sendmsg+0xee/0x170 [ 7290.782798][ T10] __sys_sendmsg+0xcd/0x170 [ 7290.782798][ T10] do_syscall_64+0xc6/0x1e0 [ 7290.782798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7290.782798][ T10] [ 7290.784513][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7290.784767][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7290.784767][ T10] netdev_get_by_index+0x5e/0x80 [ 7290.784767][ T10] fib6_nh_init+0x3d8/0x1580 [ 7290.784767][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7290.784767][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7290.784767][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7290.784767][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7290.784767][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7290.784767][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7290.784767][ T10] addrconf_dad_begin+0x310/0x670 [ 7290.784767][ T10] addrconf_dad_work+0x10b/0xab0 [ 7290.784767][ T10] process_one_work+0x84d/0x18a0 [ 7290.784767][ T10] worker_thread+0x587/0xd30 [ 7290.784767][ T10] kthread+0x28a/0x350 [ 7290.784767][ T10] ret_from_fork+0x31/0x70 [ 7290.784767][ T10] ret_from_fork_asm+0x1a/0x30 [ 7290.784767][ T10] [ 7290.786701][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7290.786701][ T10] netdev_get_by_index+0x5e/0x80 [ 7290.786701][ T10] fib6_nh_init+0x3d8/0x1580 [ 7290.786701][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7290.786701][ T10] ip6_route_add+0x1c/0x140 [ 7290.786701][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7290.786701][ T10] inet6_addr_add+0x4f8/0xa40 [ 7290.786701][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7290.786701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7290.786701][ T10] netlink_rcv_skb+0x130/0x360 [ 7290.786701][ T10] netlink_unicast+0x449/0x710 [ 7290.786701][ T10] netlink_sendmsg+0x723/0xbe0 [ 7290.786701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7290.786701][ T10] ___sys_sendmsg+0xee/0x170 [ 7290.786701][ T10] __sys_sendmsg+0xcd/0x170 [ 7290.786701][ T10] do_syscall_64+0xc6/0x1e0 [ 7290.786701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7290.786701][ T10] [ 7290.788899][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7290.788899][ T10] netdev_get_by_index+0x5e/0x80 [ 7290.788899][ T10] fib6_nh_init+0x3d8/0x1580 [ 7290.788899][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7290.788899][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7290.788899][ T10] ipv6_add_addr+0x411/0x2000 [ 7290.788899][ T10] inet6_addr_add+0x30e/0xa40 [ 7290.788899][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7290.788899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7290.788899][ T10] netlink_rcv_skb+0x130/0x360 [ 7290.788899][ T10] netlink_unicast+0x449/0x710 [ 7290.788899][ T10] netlink_sendmsg+0x723/0xbe0 [ 7290.788899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7290.788899][ T10] ___sys_sendmsg+0xee/0x170 [ 7290.788899][ T10] __sys_sendmsg+0xcd/0x170 [ 7290.788899][ T10] do_syscall_64+0xc6/0x1e0 [ 7290.788899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7290.788899][ T10] [ 7290.791071][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7290.791071][ T10] netdev_get_by_index+0x5e/0x80 [ 7290.791071][ T10] fib6_nh_init+0x3d8/0x1580 [ 7290.791071][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7290.791071][ T10] ip6_route_add+0x1c/0x140 [ 7290.791071][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7290.791071][ T10] addrconf_add_dev+0xe2/0x170 [ 7290.791071][ T10] inet6_addr_add+0x12f/0xa40 [ 7290.791071][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7290.791071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7290.791071][ T10] netlink_rcv_skb+0x130/0x360 [ 7290.791071][ T10] netlink_unicast+0x449/0x710 [ 7290.791071][ T10] netlink_sendmsg+0x723/0xbe0 [ 7290.791071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7290.791071][ T10] ___sys_sendmsg+0xee/0x170 [ 7290.791071][ T10] __sys_sendmsg+0xcd/0x170 [ 7290.791071][ T10] do_syscall_64+0xc6/0x1e0 [ 7290.791071][ T10] [ 7290.793212][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7290.793212][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7290.793212][ T10] ipv6_find_idev+0x102/0x170 [ 7290.793212][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7290.793212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7290.793212][ T10] netlink_rcv_skb+0x130/0x360 [ 7290.793212][ T10] netlink_unicast+0x449/0x710 [ 7290.793212][ T10] netlink_sendmsg+0x723/0xbe0 [ 7290.793212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7290.793212][ T10] ___sys_sendmsg+0xee/0x170 [ 7290.793212][ T10] __sys_sendmsg+0xcd/0x170 [ 7290.793212][ T10] do_syscall_64+0xc6/0x1e0 [ 7290.793212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7290.793212][ T10] [ 7290.794921][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7290.794921][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7290.794921][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7290.794921][ T10] ipv6_find_idev+0x102/0x170 [ 7290.794921][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7290.794921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7290.794921][ T10] netlink_rcv_skb+0x130/0x360 [ 7290.794921][ T10] netlink_unicast+0x449/0x710 [ 7290.794921][ T10] netlink_sendmsg+0x723/0xbe0 [ 7290.794921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7290.794921][ T10] ___sys_sendmsg+0xee/0x170 [ 7290.794921][ T10] __sys_sendmsg+0xcd/0x170 [ 7290.794921][ T10] do_syscall_64+0xc6/0x1e0 [ 7290.794921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7290.794921][ T10] [ 7290.796756][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7290.797000][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7290.797000][ T10] netdev_get_by_index+0x5e/0x80 [ 7290.797000][ T10] fib6_nh_init+0x3d8/0x1580 [ 7290.797000][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7290.797000][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7290.797000][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7290.797000][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7290.797000][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7290.797000][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7290.797000][ T10] addrconf_dad_begin+0x310/0x670 [ 7290.797000][ T10] addrconf_dad_work+0x10b/0xab0 [ 7290.797000][ T10] process_one_work+0x84d/0x18a0 [ 7290.797000][ T10] worker_thread+0x587/0xd30 [ 7290.797000][ T10] kthread+0x28a/0x350 [ 7290.797000][ T10] ret_from_fork+0x31/0x70 [ 7290.797000][ T10] ret_from_fork_asm+0x1a/0x30 [ 7290.797000][ T10] [ 7290.799079][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7290.799079][ T10] netdev_get_by_index+0x5e/0x80 [ 7290.799079][ T10] fib6_nh_init+0x3d8/0x1580 [ 7290.799079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7290.799079][ T10] ip6_route_add+0x1c/0x140 [ 7290.799079][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7290.799079][ T10] inet6_addr_add+0x4f8/0xa40 [ 7290.799079][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7290.799079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7290.799079][ T10] netlink_rcv_skb+0x130/0x360 [ 7290.799079][ T10] netlink_unicast+0x449/0x710 [ 7290.799079][ T10] netlink_sendmsg+0x723/0xbe0 [ 7290.799079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7290.799079][ T10] ___sys_sendmsg+0xee/0x170 [ 7290.799079][ T10] __sys_sendmsg+0xcd/0x170 [ 7290.799079][ T10] do_syscall_64+0xc6/0x1e0 [ 7290.799079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7290.799079][ T10] [ 7290.801264][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7290.801264][ T10] netdev_get_by_index+0x5e/0x80 [ 7290.801264][ T10] fib6_nh_init+0x3d8/0x1580 [ 7290.801264][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7290.801264][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7290.801264][ T10] ipv6_add_addr+0x411/0x2000 [ 7290.801264][ T10] inet6_addr_add+0x30e/0xa40 [ 7290.801264][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7290.801264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7290.801264][ T10] netlink_rcv_skb+0x130/0x360 [ 7290.801264][ T10] netlink_unicast+0x449/0x710 [ 7290.801264][ T10] netlink_sendmsg+0x723/0xbe0 [ 7290.801264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7290.801264][ T10] ___sys_sendmsg+0xee/0x170 [ 7290.801264][ T10] __sys_sendmsg+0xcd/0x170 [ 7290.801264][ T10] do_syscall_64+0xc6/0x1e0 [ 7290.801264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7290.801264][ T10] [ 7290.803427][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7290.803427][ T10] netdev_get_by_index+0x5e/0x80 [ 7290.803427][ T10] fib6_nh_init+0x3d8/0x1580 [ 7290.803427][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7290.803427][ T10] ip6_route_add+0x1c/0x140 [ 7290.803427][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7290.803427][ T10] addrconf_add_dev+0xe2/0x170 [ 7290.803427][ T10] inet6_addr_add+0x12f/0xa40 [ 7290.803427][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7290.803427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7290.803427][ T10] netlink_rcv_skb+0x130/0x360 [ 7290.803427][ T10] netlink_unicast+0x449/0x710 [ 7290.803427][ T10] netlink_sendmsg+0x723/0xbe0 [ 7290.803427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7290.803427][ T10] ___sys_sendmsg+0xee/0x170 [ 7290.803427][ T10] __sys_sendmsg+0xcd/0x170 [ 7290.803427][ T10] do_syscall_64+0xc6/0x1e0 [ 7290.803427][ T10] [ 7290.805583][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7290.805583][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7290.805583][ T10] ipv6_find_idev+0x102/0x170 [ 7290.805583][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7290.805583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7290.805583][ T10] netlink_rcv_skb+0x130/0x360 [ 7290.805583][ T10] netlink_unicast+0x449/0x710 [ 7290.805583][ T10] netlink_sendmsg+0x723/0xbe0 [ 7290.805583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7290.805583][ T10] ___sys_sendmsg+0xee/0x170 [ 7290.805583][ T10] __sys_sendmsg+0xcd/0x170 [ 7290.805583][ T10] do_syscall_64+0xc6/0x1e0 [ 7290.805583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7290.805583][ T10] [ 7290.807212][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7290.807212][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7290.807212][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7290.807212][ T10] ipv6_find_idev+0x102/0x170 [ 7290.807212][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7290.807212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7290.807212][ T10] netlink_rcv_skb+0x130/0x360 [ 7290.807212][ T10] netlink_unicast+0x449/0x710 [ 7290.807212][ T10] netlink_sendmsg+0x723/0xbe0 [ 7290.807212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7290.807212][ T10] ___sys_sendmsg+0xee/0x170 [ 7290.807212][ T10] __sys_sendmsg+0xcd/0x170 [ 7290.807212][ T10] do_syscall_64+0xc6/0x1e0 [ 7290.807212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7290.807212][ T10] [ 7295.049127][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7295.049615][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7295.049615][ T1167] dst_init+0x84/0x4a0 [ 7295.049615][ T1167] dst_alloc+0x97/0x150 [ 7295.049615][ T1167] ip6_dst_alloc+0x23/0x90 [ 7295.049615][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7295.049615][ T1167] ip6_pol_route+0x56f/0x840 [ 7295.049615][ T1167] fib6_rule_lookup+0x334/0x630 [ 7295.049615][ T1167] ip6_route_output_flags+0x259/0x480 [ 7295.049615][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7295.049615][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7295.049615][ T1167] netlink_rcv_skb+0x130/0x360 [ 7295.049615][ T1167] netlink_unicast+0x449/0x710 [ 7295.049615][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7295.049615][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7295.049615][ T1167] ___sys_sendmsg+0xee/0x170 [ 7295.049615][ T1167] __sys_sendmsg+0xcd/0x170 [ 7295.049615][ T1167] do_syscall_64+0xc6/0x1e0 [ 7295.049615][ T1167] [ 7295.051863][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7295.051863][ T1167] netdev_get_by_index+0x5e/0x80 [ 7295.051863][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7295.051863][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7295.051863][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7295.051863][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7295.051863][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7295.051863][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7295.051863][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7295.051863][ T1167] addrconf_dad_begin+0x310/0x670 [ 7295.051863][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7295.051863][ T1167] process_one_work+0x84d/0x18a0 [ 7295.051863][ T1167] worker_thread+0x587/0xd30 [ 7295.051863][ T1167] kthread+0x28a/0x350 [ 7295.051863][ T1167] ret_from_fork+0x31/0x70 [ 7295.051863][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7295.051863][ T1167] [ 7295.054107][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7295.054107][ T1167] netdev_get_by_index+0x5e/0x80 [ 7295.054107][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7295.054107][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7295.054107][ T1167] ip6_route_add+0x1c/0x140 [ 7295.054107][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7295.054107][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7295.054107][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7295.054107][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7295.054107][ T1167] netlink_rcv_skb+0x130/0x360 [ 7295.054107][ T1167] netlink_unicast+0x449/0x710 [ 7295.054107][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7295.054107][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7295.054107][ T1167] ___sys_sendmsg+0xee/0x170 [ 7295.054107][ T1167] __sys_sendmsg+0xcd/0x170 [ 7295.054107][ T1167] do_syscall_64+0xc6/0x1e0 [ 7295.054107][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7295.054107][ T1167] [ 7295.056384][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7295.056384][ T1167] netdev_get_by_index+0x5e/0x80 [ 7295.056384][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7295.056384][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7295.056384][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7295.056384][ T1167] ipv6_add_addr+0x411/0x2000 [ 7295.056384][ T1167] inet6_addr_add+0x30e/0xa40 [ 7295.056384][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7295.056384][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7295.056384][ T1167] netlink_rcv_skb+0x130/0x360 [ 7295.056384][ T1167] netlink_unicast+0x449/0x710 [ 7295.056384][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7295.056384][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7295.056384][ T1167] ___sys_sendmsg+0xee/0x170 [ 7295.056384][ T1167] __sys_sendmsg+0xcd/0x170 [ 7295.056384][ T1167] do_syscall_64+0xc6/0x1e0 [ 7295.056384][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7295.056384][ T1167] [ 7295.058656][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7295.058656][ T1167] netdev_get_by_index+0x5e/0x80 [ 7295.058656][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7295.058656][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7295.058656][ T1167] ip6_route_add+0x1c/0x140 [ 7295.058656][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7295.058656][ T1167] addrconf_add_dev+0xe2/0x170 [ 7295.058656][ T1167] inet6_addr_add+0x12f/0xa40 [ 7295.058656][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7295.058656][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7295.058656][ T1167] netlink_rcv_skb+0x130/0x360 [ 7295.058656][ T1167] netlink_unicast+0x449/0x710 [ 7295.058656][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7295.058656][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7295.058656][ T1167] ___sys_sendmsg+0xee/0x170 [ 7295.058656][ T1167] __sys_sendmsg+0xcd/0x170 [ 7295.058656][ T1167] do_syscall_64+0xc6/0x1e0 [ 7295.058656][ T1167] [ 7295.060902][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7295.060902][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7295.060902][ T1167] ipv6_find_idev+0x102/0x170 [ 7295.060902][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7295.060902][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7295.060902][ T1167] netlink_rcv_skb+0x130/0x360 [ 7295.060902][ T1167] netlink_unicast+0x449/0x710 [ 7295.060902][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7295.060902][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7295.060902][ T1167] ___sys_sendmsg+0xee/0x170 [ 7295.060902][ T1167] __sys_sendmsg+0xcd/0x170 [ 7295.060902][ T1167] do_syscall_64+0xc6/0x1e0 [ 7295.060902][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7295.060902][ T1167] [ 7295.062654][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7295.062654][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7295.062654][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7295.062654][ T1167] ipv6_find_idev+0x102/0x170 [ 7295.062654][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7295.062654][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7295.062654][ T1167] netlink_rcv_skb+0x130/0x360 [ 7295.062654][ T1167] netlink_unicast+0x449/0x710 [ 7295.062654][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7295.062654][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7295.062654][ T1167] ___sys_sendmsg+0xee/0x170 [ 7295.062654][ T1167] __sys_sendmsg+0xcd/0x170 [ 7295.062654][ T1167] do_syscall_64+0xc6/0x1e0 [ 7295.062654][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7295.062654][ T1167] [ 7301.049135][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7301.049557][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7301.049557][ T10] netdev_get_by_index+0x5e/0x80 [ 7301.049557][ T10] fib6_nh_init+0x3d8/0x1580 [ 7301.049557][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7301.049557][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7301.049557][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7301.049557][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7301.049557][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7301.049557][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7301.049557][ T10] addrconf_dad_begin+0x310/0x670 [ 7301.049557][ T10] addrconf_dad_work+0x10b/0xab0 [ 7301.049557][ T10] process_one_work+0x84d/0x18a0 [ 7301.049557][ T10] worker_thread+0x587/0xd30 [ 7301.049557][ T10] kthread+0x28a/0x350 [ 7301.049557][ T10] ret_from_fork+0x31/0x70 [ 7301.049557][ T10] ret_from_fork_asm+0x1a/0x30 [ 7301.049557][ T10] [ 7301.051515][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7301.051515][ T10] netdev_get_by_index+0x5e/0x80 [ 7301.051515][ T10] fib6_nh_init+0x3d8/0x1580 [ 7301.051515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7301.051515][ T10] ip6_route_add+0x1c/0x140 [ 7301.051515][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7301.051515][ T10] inet6_addr_add+0x4f8/0xa40 [ 7301.051515][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7301.051515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7301.051515][ T10] netlink_rcv_skb+0x130/0x360 [ 7301.051515][ T10] netlink_unicast+0x449/0x710 [ 7301.051515][ T10] netlink_sendmsg+0x723/0xbe0 [ 7301.051515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7301.051515][ T10] ___sys_sendmsg+0xee/0x170 [ 7301.051515][ T10] __sys_sendmsg+0xcd/0x170 [ 7301.051515][ T10] do_syscall_64+0xc6/0x1e0 [ 7301.051515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7301.051515][ T10] [ 7301.053537][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7301.053537][ T10] netdev_get_by_index+0x5e/0x80 [ 7301.053537][ T10] fib6_nh_init+0x3d8/0x1580 [ 7301.053537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7301.053537][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7301.053537][ T10] ipv6_add_addr+0x411/0x2000 [ 7301.053537][ T10] inet6_addr_add+0x30e/0xa40 [ 7301.053537][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7301.053537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7301.053537][ T10] netlink_rcv_skb+0x130/0x360 [ 7301.053537][ T10] netlink_unicast+0x449/0x710 [ 7301.053537][ T10] netlink_sendmsg+0x723/0xbe0 [ 7301.053537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7301.053537][ T10] ___sys_sendmsg+0xee/0x170 [ 7301.053537][ T10] __sys_sendmsg+0xcd/0x170 [ 7301.053537][ T10] do_syscall_64+0xc6/0x1e0 [ 7301.053537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7301.053537][ T10] [ 7301.055575][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7301.055575][ T10] netdev_get_by_index+0x5e/0x80 [ 7301.055575][ T10] fib6_nh_init+0x3d8/0x1580 [ 7301.055575][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7301.055575][ T10] ip6_route_add+0x1c/0x140 [ 7301.055575][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7301.055575][ T10] addrconf_add_dev+0xe2/0x170 [ 7301.055575][ T10] inet6_addr_add+0x12f/0xa40 [ 7301.055575][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7301.055575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7301.055575][ T10] netlink_rcv_skb+0x130/0x360 [ 7301.055575][ T10] netlink_unicast+0x449/0x710 [ 7301.055575][ T10] netlink_sendmsg+0x723/0xbe0 [ 7301.055575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7301.055575][ T10] ___sys_sendmsg+0xee/0x170 [ 7301.055575][ T10] __sys_sendmsg+0xcd/0x170 [ 7301.055575][ T10] do_syscall_64+0xc6/0x1e0 [ 7301.055575][ T10] [ 7301.057571][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7301.057571][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7301.057571][ T10] ipv6_find_idev+0x102/0x170 [ 7301.057571][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7301.057571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7301.057571][ T10] netlink_rcv_skb+0x130/0x360 [ 7301.057571][ T10] netlink_unicast+0x449/0x710 [ 7301.057571][ T10] netlink_sendmsg+0x723/0xbe0 [ 7301.057571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7301.057571][ T10] ___sys_sendmsg+0xee/0x170 [ 7301.057571][ T10] __sys_sendmsg+0xcd/0x170 [ 7301.057571][ T10] do_syscall_64+0xc6/0x1e0 [ 7301.057571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7301.057571][ T10] [ 7301.059126][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7301.059126][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7301.059126][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7301.059126][ T10] ipv6_find_idev+0x102/0x170 [ 7301.059126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7301.059126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7301.059126][ T10] netlink_rcv_skb+0x130/0x360 [ 7301.059126][ T10] netlink_unicast+0x449/0x710 [ 7301.059126][ T10] netlink_sendmsg+0x723/0xbe0 [ 7301.059126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7301.059126][ T10] ___sys_sendmsg+0xee/0x170 [ 7301.059126][ T10] __sys_sendmsg+0xcd/0x170 [ 7301.059126][ T10] do_syscall_64+0xc6/0x1e0 [ 7301.059126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7301.059126][ T10] [ 7301.060845][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7301.061101][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7301.061101][ T10] netdev_get_by_index+0x5e/0x80 [ 7301.061101][ T10] fib6_nh_init+0x3d8/0x1580 [ 7301.061101][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7301.061101][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7301.061101][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7301.061101][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7301.061101][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7301.061101][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7301.061101][ T10] addrconf_dad_begin+0x310/0x670 [ 7301.061101][ T10] addrconf_dad_work+0x10b/0xab0 [ 7301.061101][ T10] process_one_work+0x84d/0x18a0 [ 7301.061101][ T10] worker_thread+0x587/0xd30 [ 7301.061101][ T10] kthread+0x28a/0x350 [ 7301.061101][ T10] ret_from_fork+0x31/0x70 [ 7301.061101][ T10] ret_from_fork_asm+0x1a/0x30 [ 7301.061101][ T10] [ 7301.063053][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7301.063053][ T10] netdev_get_by_index+0x5e/0x80 [ 7301.063053][ T10] fib6_nh_init+0x3d8/0x1580 [ 7301.063053][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7301.063053][ T10] ip6_route_add+0x1c/0x140 [ 7301.063053][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7301.063053][ T10] inet6_addr_add+0x4f8/0xa40 [ 7301.063053][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7301.063053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7301.063053][ T10] netlink_rcv_skb+0x130/0x360 [ 7301.063053][ T10] netlink_unicast+0x449/0x710 [ 7301.063053][ T10] netlink_sendmsg+0x723/0xbe0 [ 7301.063053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7301.063053][ T10] ___sys_sendmsg+0xee/0x170 [ 7301.063053][ T10] __sys_sendmsg+0xcd/0x170 [ 7301.063053][ T10] do_syscall_64+0xc6/0x1e0 [ 7301.063053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7301.063053][ T10] [ 7301.065076][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7301.065076][ T10] netdev_get_by_index+0x5e/0x80 [ 7301.065076][ T10] fib6_nh_init+0x3d8/0x1580 [ 7301.065076][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7301.065076][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7301.065076][ T10] ipv6_add_addr+0x411/0x2000 [ 7301.065076][ T10] inet6_addr_add+0x30e/0xa40 [ 7301.065076][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7301.065076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7301.065076][ T10] netlink_rcv_skb+0x130/0x360 [ 7301.065076][ T10] netlink_unicast+0x449/0x710 [ 7301.065076][ T10] netlink_sendmsg+0x723/0xbe0 [ 7301.065076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7301.065076][ T10] ___sys_sendmsg+0xee/0x170 [ 7301.065076][ T10] __sys_sendmsg+0xcd/0x170 [ 7301.065076][ T10] do_syscall_64+0xc6/0x1e0 [ 7301.065076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7301.065076][ T10] [ 7301.067082][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7301.067082][ T10] netdev_get_by_index+0x5e/0x80 [ 7301.067082][ T10] fib6_nh_init+0x3d8/0x1580 [ 7301.067082][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7301.067082][ T10] ip6_route_add+0x1c/0x140 [ 7301.067082][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7301.067082][ T10] addrconf_add_dev+0xe2/0x170 [ 7301.067082][ T10] inet6_addr_add+0x12f/0xa40 [ 7301.067082][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7301.067082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7301.067082][ T10] netlink_rcv_skb+0x130/0x360 [ 7301.067082][ T10] netlink_unicast+0x449/0x710 [ 7301.067082][ T10] netlink_sendmsg+0x723/0xbe0 [ 7301.067082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7301.067082][ T10] ___sys_sendmsg+0xee/0x170 [ 7301.067082][ T10] __sys_sendmsg+0xcd/0x170 [ 7301.067082][ T10] do_syscall_64+0xc6/0x1e0 [ 7301.067082][ T10] [ 7301.069067][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7301.069067][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7301.069067][ T10] ipv6_find_idev+0x102/0x170 [ 7301.069067][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7301.069067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7301.069067][ T10] netlink_rcv_skb+0x130/0x360 [ 7301.069067][ T10] netlink_unicast+0x449/0x710 [ 7301.069067][ T10] netlink_sendmsg+0x723/0xbe0 [ 7301.069067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7301.069067][ T10] ___sys_sendmsg+0xee/0x170 [ 7301.069067][ T10] __sys_sendmsg+0xcd/0x170 [ 7301.069067][ T10] do_syscall_64+0xc6/0x1e0 [ 7301.069067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7301.069067][ T10] [ 7301.070622][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7301.070622][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7301.070622][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7301.070622][ T10] ipv6_find_idev+0x102/0x170 [ 7301.070622][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7301.070622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7301.070622][ T10] netlink_rcv_skb+0x130/0x360 [ 7301.070622][ T10] netlink_unicast+0x449/0x710 [ 7301.070622][ T10] netlink_sendmsg+0x723/0xbe0 [ 7301.070622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7301.070622][ T10] ___sys_sendmsg+0xee/0x170 [ 7301.070622][ T10] __sys_sendmsg+0xcd/0x170 [ 7301.070622][ T10] do_syscall_64+0xc6/0x1e0 [ 7301.070622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7301.070622][ T10] [ 7301.072325][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7301.072563][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7301.072563][ T10] netdev_get_by_index+0x5e/0x80 [ 7301.072563][ T10] fib6_nh_init+0x3d8/0x1580 [ 7301.072563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7301.072563][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7301.072563][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7301.072563][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7301.072563][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7301.072563][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7301.072563][ T10] addrconf_dad_begin+0x310/0x670 [ 7301.072563][ T10] addrconf_dad_work+0x10b/0xab0 [ 7301.072563][ T10] process_one_work+0x84d/0x18a0 [ 7301.072563][ T10] worker_thread+0x587/0xd30 [ 7301.072563][ T10] kthread+0x28a/0x350 [ 7301.072563][ T10] ret_from_fork+0x31/0x70 [ 7301.072563][ T10] ret_from_fork_asm+0x1a/0x30 [ 7301.072563][ T10] [ 7301.074504][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7301.074504][ T10] netdev_get_by_index+0x5e/0x80 [ 7301.074504][ T10] fib6_nh_init+0x3d8/0x1580 [ 7301.074504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7301.074504][ T10] ip6_route_add+0x1c/0x140 [ 7301.074504][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7301.074504][ T10] inet6_addr_add+0x4f8/0xa40 [ 7301.074504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7301.074504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7301.074504][ T10] netlink_rcv_skb+0x130/0x360 [ 7301.074504][ T10] netlink_unicast+0x449/0x710 [ 7301.074504][ T10] netlink_sendmsg+0x723/0xbe0 [ 7301.074504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7301.074504][ T10] ___sys_sendmsg+0xee/0x170 [ 7301.074504][ T10] __sys_sendmsg+0xcd/0x170 [ 7301.074504][ T10] do_syscall_64+0xc6/0x1e0 [ 7301.074504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7301.074504][ T10] [ 7301.076705][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7301.076705][ T10] netdev_get_by_index+0x5e/0x80 [ 7301.076705][ T10] fib6_nh_init+0x3d8/0x1580 [ 7301.076705][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7301.076705][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7301.076705][ T10] ipv6_add_addr+0x411/0x2000 [ 7301.076705][ T10] inet6_addr_add+0x30e/0xa40 [ 7301.076705][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7301.076705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7301.076705][ T10] netlink_rcv_skb+0x130/0x360 [ 7301.076705][ T10] netlink_unicast+0x449/0x710 [ 7301.076705][ T10] netlink_sendmsg+0x723/0xbe0 [ 7301.076705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7301.076705][ T10] ___sys_sendmsg+0xee/0x170 [ 7301.076705][ T10] __sys_sendmsg+0xcd/0x170 [ 7301.076705][ T10] do_syscall_64+0xc6/0x1e0 [ 7301.076705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7301.076705][ T10] [ 7301.078961][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7301.078961][ T10] netdev_get_by_index+0x5e/0x80 [ 7301.078961][ T10] fib6_nh_init+0x3d8/0x1580 [ 7301.078961][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7301.078961][ T10] ip6_route_add+0x1c/0x140 [ 7301.078961][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7301.078961][ T10] addrconf_add_dev+0xe2/0x170 [ 7301.078961][ T10] inet6_addr_add+0x12f/0xa40 [ 7301.078961][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7301.078961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7301.078961][ T10] netlink_rcv_skb+0x130/0x360 [ 7301.078961][ T10] netlink_unicast+0x449/0x710 [ 7301.078961][ T10] netlink_sendmsg+0x723/0xbe0 [ 7301.078961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7301.078961][ T10] ___sys_sendmsg+0xee/0x170 [ 7301.078961][ T10] __sys_sendmsg+0xcd/0x170 [ 7301.078961][ T10] do_syscall_64+0xc6/0x1e0 [ 7301.078961][ T10] [ 7301.081142][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7301.081142][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7301.081142][ T10] ipv6_find_idev+0x102/0x170 [ 7301.081142][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7301.081142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7301.081142][ T10] netlink_rcv_skb+0x130/0x360 [ 7301.081142][ T10] netlink_unicast+0x449/0x710 [ 7301.081142][ T10] netlink_sendmsg+0x723/0xbe0 [ 7301.081142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7301.081142][ T10] ___sys_sendmsg+0xee/0x170 [ 7301.081142][ T10] __sys_sendmsg+0xcd/0x170 [ 7301.081142][ T10] do_syscall_64+0xc6/0x1e0 [ 7301.081142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7301.081142][ T10] [ 7301.082881][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7301.082881][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7301.082881][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7301.082881][ T10] ipv6_find_idev+0x102/0x170 [ 7301.082881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7301.082881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7301.082881][ T10] netlink_rcv_skb+0x130/0x360 [ 7301.082881][ T10] netlink_unicast+0x449/0x710 [ 7301.082881][ T10] netlink_sendmsg+0x723/0xbe0 [ 7301.082881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7301.082881][ T10] ___sys_sendmsg+0xee/0x170 [ 7301.082881][ T10] __sys_sendmsg+0xcd/0x170 [ 7301.082881][ T10] do_syscall_64+0xc6/0x1e0 [ 7301.082881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7301.082881][ T10] [ 7301.084891][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7301.085568][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7301.085568][ T10] netdev_get_by_index+0x5e/0x80 [ 7301.085568][ T10] fib6_nh_init+0x3d8/0x1580 [ 7301.085568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7301.085568][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7301.085568][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7301.085568][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7301.085568][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7301.085568][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7301.085568][ T10] addrconf_dad_begin+0x310/0x670 [ 7301.085568][ T10] addrconf_dad_work+0x10b/0xab0 [ 7301.085568][ T10] process_one_work+0x84d/0x18a0 [ 7301.085568][ T10] worker_thread+0x587/0xd30 [ 7301.085568][ T10] kthread+0x28a/0x350 [ 7301.085568][ T10] ret_from_fork+0x31/0x70 [ 7301.085568][ T10] ret_from_fork_asm+0x1a/0x30 [ 7301.085568][ T10] [ 7301.087500][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7301.087500][ T10] netdev_get_by_index+0x5e/0x80 [ 7301.087500][ T10] fib6_nh_init+0x3d8/0x1580 [ 7301.087500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7301.087500][ T10] ip6_route_add+0x1c/0x140 [ 7301.087500][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7301.087500][ T10] inet6_addr_add+0x4f8/0xa40 [ 7301.087500][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7301.087500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7301.087500][ T10] netlink_rcv_skb+0x130/0x360 [ 7301.087500][ T10] netlink_unicast+0x449/0x710 [ 7301.087500][ T10] netlink_sendmsg+0x723/0xbe0 [ 7301.087500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7301.087500][ T10] ___sys_sendmsg+0xee/0x170 [ 7301.087500][ T10] __sys_sendmsg+0xcd/0x170 [ 7301.087500][ T10] do_syscall_64+0xc6/0x1e0 [ 7301.087500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7301.087500][ T10] [ 7301.089639][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7301.089639][ T10] netdev_get_by_index+0x5e/0x80 [ 7301.089639][ T10] fib6_nh_init+0x3d8/0x1580 [ 7301.089639][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7301.089639][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7301.089639][ T10] ipv6_add_addr+0x411/0x2000 [ 7301.089639][ T10] inet6_addr_add+0x30e/0xa40 [ 7301.089639][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7301.089639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7301.089639][ T10] netlink_rcv_skb+0x130/0x360 [ 7301.089639][ T10] netlink_unicast+0x449/0x710 [ 7301.089639][ T10] netlink_sendmsg+0x723/0xbe0 [ 7301.089639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7301.089639][ T10] ___sys_sendmsg+0xee/0x170 [ 7301.089639][ T10] __sys_sendmsg+0xcd/0x170 [ 7301.089639][ T10] do_syscall_64+0xc6/0x1e0 [ 7301.089639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7301.089639][ T10] [ 7301.091834][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7301.091834][ T10] netdev_get_by_index+0x5e/0x80 [ 7301.091834][ T10] fib6_nh_init+0x3d8/0x1580 [ 7301.091834][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7301.091834][ T10] ip6_route_add+0x1c/0x140 [ 7301.091834][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7301.091834][ T10] addrconf_add_dev+0xe2/0x170 [ 7301.091834][ T10] inet6_addr_add+0x12f/0xa40 [ 7301.091834][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7301.091834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7301.091834][ T10] netlink_rcv_skb+0x130/0x360 [ 7301.091834][ T10] netlink_unicast+0x449/0x710 [ 7301.091834][ T10] netlink_sendmsg+0x723/0xbe0 [ 7301.091834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7301.091834][ T10] ___sys_sendmsg+0xee/0x170 [ 7301.091834][ T10] __sys_sendmsg+0xcd/0x170 [ 7301.091834][ T10] do_syscall_64+0xc6/0x1e0 [ 7301.091834][ T10] [ 7301.094057][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7301.094057][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7301.094057][ T10] ipv6_find_idev+0x102/0x170 [ 7301.094057][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7301.094057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7301.094057][ T10] netlink_rcv_skb+0x130/0x360 [ 7301.094057][ T10] netlink_unicast+0x449/0x710 [ 7301.094057][ T10] netlink_sendmsg+0x723/0xbe0 [ 7301.094057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7301.094057][ T10] ___sys_sendmsg+0xee/0x170 [ 7301.094057][ T10] __sys_sendmsg+0xcd/0x170 [ 7301.094057][ T10] do_syscall_64+0xc6/0x1e0 [ 7301.094057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7301.094057][ T10] [ 7301.095797][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7301.095797][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7301.095797][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7301.095797][ T10] ipv6_find_idev+0x102/0x170 [ 7301.095797][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7301.095797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7301.095797][ T10] netlink_rcv_skb+0x130/0x360 [ 7301.095797][ T10] netlink_unicast+0x449/0x710 [ 7301.095797][ T10] netlink_sendmsg+0x723/0xbe0 [ 7301.095797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7301.095797][ T10] ___sys_sendmsg+0xee/0x170 [ 7301.095797][ T10] __sys_sendmsg+0xcd/0x170 [ 7301.095797][ T10] do_syscall_64+0xc6/0x1e0 [ 7301.095797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7301.095797][ T10] [ 7305.305061][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7305.305557][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7305.305557][ T1167] dst_init+0x84/0x4a0 [ 7305.305557][ T1167] dst_alloc+0x97/0x150 [ 7305.305557][ T1167] ip6_dst_alloc+0x23/0x90 [ 7305.305557][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7305.305557][ T1167] ip6_pol_route+0x56f/0x840 [ 7305.305557][ T1167] fib6_rule_lookup+0x334/0x630 [ 7305.305557][ T1167] ip6_route_output_flags+0x259/0x480 [ 7305.305557][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7305.305557][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7305.305557][ T1167] netlink_rcv_skb+0x130/0x360 [ 7305.305557][ T1167] netlink_unicast+0x449/0x710 [ 7305.305557][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7305.305557][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7305.305557][ T1167] ___sys_sendmsg+0xee/0x170 [ 7305.305557][ T1167] __sys_sendmsg+0xcd/0x170 [ 7305.305557][ T1167] do_syscall_64+0xc6/0x1e0 [ 7305.305557][ T1167] [ 7305.307783][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7305.307783][ T1167] netdev_get_by_index+0x5e/0x80 [ 7305.307783][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7305.307783][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7305.307783][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7305.307783][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7305.307783][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7305.307783][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7305.307783][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7305.307783][ T1167] addrconf_dad_begin+0x310/0x670 [ 7305.307783][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7305.307783][ T1167] process_one_work+0x84d/0x18a0 [ 7305.307783][ T1167] worker_thread+0x587/0xd30 [ 7305.307783][ T1167] kthread+0x28a/0x350 [ 7305.307783][ T1167] ret_from_fork+0x31/0x70 [ 7305.307783][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7305.307783][ T1167] [ 7305.309947][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7305.309947][ T1167] netdev_get_by_index+0x5e/0x80 [ 7305.309947][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7305.309947][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7305.309947][ T1167] ip6_route_add+0x1c/0x140 [ 7305.309947][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7305.309947][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7305.309947][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7305.309947][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7305.309947][ T1167] netlink_rcv_skb+0x130/0x360 [ 7305.309947][ T1167] netlink_unicast+0x449/0x710 [ 7305.309947][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7305.309947][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7305.309947][ T1167] ___sys_sendmsg+0xee/0x170 [ 7305.309947][ T1167] __sys_sendmsg+0xcd/0x170 [ 7305.309947][ T1167] do_syscall_64+0xc6/0x1e0 [ 7305.309947][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7305.309947][ T1167] [ 7305.312245][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7305.312245][ T1167] netdev_get_by_index+0x5e/0x80 [ 7305.312245][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7305.312245][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7305.312245][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7305.312245][ T1167] ipv6_add_addr+0x411/0x2000 [ 7305.312245][ T1167] inet6_addr_add+0x30e/0xa40 [ 7305.312245][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7305.312245][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7305.312245][ T1167] netlink_rcv_skb+0x130/0x360 [ 7305.312245][ T1167] netlink_unicast+0x449/0x710 [ 7305.312245][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7305.312245][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7305.312245][ T1167] ___sys_sendmsg+0xee/0x170 [ 7305.312245][ T1167] __sys_sendmsg+0xcd/0x170 [ 7305.312245][ T1167] do_syscall_64+0xc6/0x1e0 [ 7305.312245][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7305.312245][ T1167] [ 7305.314528][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7305.314528][ T1167] netdev_get_by_index+0x5e/0x80 [ 7305.314528][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7305.314528][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7305.314528][ T1167] ip6_route_add+0x1c/0x140 [ 7305.314528][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7305.314528][ T1167] addrconf_add_dev+0xe2/0x170 [ 7305.314528][ T1167] inet6_addr_add+0x12f/0xa40 [ 7305.314528][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7305.314528][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7305.314528][ T1167] netlink_rcv_skb+0x130/0x360 [ 7305.314528][ T1167] netlink_unicast+0x449/0x710 [ 7305.314528][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7305.314528][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7305.314528][ T1167] ___sys_sendmsg+0xee/0x170 [ 7305.314528][ T1167] __sys_sendmsg+0xcd/0x170 [ 7305.314528][ T1167] do_syscall_64+0xc6/0x1e0 [ 7305.314528][ T1167] [ 7305.316754][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7305.316754][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7305.316754][ T1167] ipv6_find_idev+0x102/0x170 [ 7305.316754][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7305.316754][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7305.316754][ T1167] netlink_rcv_skb+0x130/0x360 [ 7305.316754][ T1167] netlink_unicast+0x449/0x710 [ 7305.316754][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7305.316754][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7305.316754][ T1167] ___sys_sendmsg+0xee/0x170 [ 7305.316754][ T1167] __sys_sendmsg+0xcd/0x170 [ 7305.316754][ T1167] do_syscall_64+0xc6/0x1e0 [ 7305.316754][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7305.316754][ T1167] [ 7305.318496][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7305.318496][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7305.318496][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7305.318496][ T1167] ipv6_find_idev+0x102/0x170 [ 7305.318496][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7305.318496][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7305.318496][ T1167] netlink_rcv_skb+0x130/0x360 [ 7305.318496][ T1167] netlink_unicast+0x449/0x710 [ 7305.318496][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7305.318496][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7305.318496][ T1167] ___sys_sendmsg+0xee/0x170 [ 7305.318496][ T1167] __sys_sendmsg+0xcd/0x170 [ 7305.318496][ T1167] do_syscall_64+0xc6/0x1e0 [ 7305.318496][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7305.318496][ T1167] [ 7311.337150][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7311.337581][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7311.337581][ T10] netdev_get_by_index+0x5e/0x80 [ 7311.337581][ T10] fib6_nh_init+0x3d8/0x1580 [ 7311.337581][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7311.337581][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7311.337581][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7311.337581][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7311.337581][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7311.337581][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7311.337581][ T10] addrconf_dad_begin+0x310/0x670 [ 7311.337581][ T10] addrconf_dad_work+0x10b/0xab0 [ 7311.337581][ T10] process_one_work+0x84d/0x18a0 [ 7311.337581][ T10] worker_thread+0x587/0xd30 [ 7311.337581][ T10] kthread+0x28a/0x350 [ 7311.337581][ T10] ret_from_fork+0x31/0x70 [ 7311.337581][ T10] ret_from_fork_asm+0x1a/0x30 [ 7311.337581][ T10] [ 7311.339526][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7311.339526][ T10] netdev_get_by_index+0x5e/0x80 [ 7311.339526][ T10] fib6_nh_init+0x3d8/0x1580 [ 7311.339526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7311.339526][ T10] ip6_route_add+0x1c/0x140 [ 7311.339526][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7311.339526][ T10] inet6_addr_add+0x4f8/0xa40 [ 7311.339526][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7311.339526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7311.339526][ T10] netlink_rcv_skb+0x130/0x360 [ 7311.339526][ T10] netlink_unicast+0x449/0x710 [ 7311.339526][ T10] netlink_sendmsg+0x723/0xbe0 [ 7311.339526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7311.339526][ T10] ___sys_sendmsg+0xee/0x170 [ 7311.339526][ T10] __sys_sendmsg+0xcd/0x170 [ 7311.339526][ T10] do_syscall_64+0xc6/0x1e0 [ 7311.339526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7311.339526][ T10] [ 7311.341544][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7311.341544][ T10] netdev_get_by_index+0x5e/0x80 [ 7311.341544][ T10] fib6_nh_init+0x3d8/0x1580 [ 7311.341544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7311.341544][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7311.341544][ T10] ipv6_add_addr+0x411/0x2000 [ 7311.341544][ T10] inet6_addr_add+0x30e/0xa40 [ 7311.341544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7311.341544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7311.341544][ T10] netlink_rcv_skb+0x130/0x360 [ 7311.341544][ T10] netlink_unicast+0x449/0x710 [ 7311.341544][ T10] netlink_sendmsg+0x723/0xbe0 [ 7311.341544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7311.341544][ T10] ___sys_sendmsg+0xee/0x170 [ 7311.341544][ T10] __sys_sendmsg+0xcd/0x170 [ 7311.341544][ T10] do_syscall_64+0xc6/0x1e0 [ 7311.341544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7311.341544][ T10] [ 7311.343548][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7311.343548][ T10] netdev_get_by_index+0x5e/0x80 [ 7311.343548][ T10] fib6_nh_init+0x3d8/0x1580 [ 7311.343548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7311.343548][ T10] ip6_route_add+0x1c/0x140 [ 7311.343548][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7311.343548][ T10] addrconf_add_dev+0xe2/0x170 [ 7311.343548][ T10] inet6_addr_add+0x12f/0xa40 [ 7311.343548][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7311.343548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7311.343548][ T10] netlink_rcv_skb+0x130/0x360 [ 7311.343548][ T10] netlink_unicast+0x449/0x710 [ 7311.343548][ T10] netlink_sendmsg+0x723/0xbe0 [ 7311.343548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7311.343548][ T10] ___sys_sendmsg+0xee/0x170 [ 7311.343548][ T10] __sys_sendmsg+0xcd/0x170 [ 7311.343548][ T10] do_syscall_64+0xc6/0x1e0 [ 7311.343548][ T10] [ 7311.345553][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7311.345553][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7311.345553][ T10] ipv6_find_idev+0x102/0x170 [ 7311.345553][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7311.345553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7311.345553][ T10] netlink_rcv_skb+0x130/0x360 [ 7311.345553][ T10] netlink_unicast+0x449/0x710 [ 7311.345553][ T10] netlink_sendmsg+0x723/0xbe0 [ 7311.345553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7311.345553][ T10] ___sys_sendmsg+0xee/0x170 [ 7311.345553][ T10] __sys_sendmsg+0xcd/0x170 [ 7311.345553][ T10] do_syscall_64+0xc6/0x1e0 [ 7311.345553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7311.345553][ T10] [ 7311.347119][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7311.347119][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7311.347119][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7311.347119][ T10] ipv6_find_idev+0x102/0x170 [ 7311.347119][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7311.347119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7311.347119][ T10] netlink_rcv_skb+0x130/0x360 [ 7311.347119][ T10] netlink_unicast+0x449/0x710 [ 7311.347119][ T10] netlink_sendmsg+0x723/0xbe0 [ 7311.347119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7311.347119][ T10] ___sys_sendmsg+0xee/0x170 [ 7311.347119][ T10] __sys_sendmsg+0xcd/0x170 [ 7311.347119][ T10] do_syscall_64+0xc6/0x1e0 [ 7311.347119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7311.347119][ T10] [ 7311.348831][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7311.349087][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7311.349087][ T10] netdev_get_by_index+0x5e/0x80 [ 7311.349087][ T10] fib6_nh_init+0x3d8/0x1580 [ 7311.349087][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7311.349087][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7311.349087][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7311.349087][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7311.349087][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7311.349087][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7311.349087][ T10] addrconf_dad_begin+0x310/0x670 [ 7311.349087][ T10] addrconf_dad_work+0x10b/0xab0 [ 7311.349087][ T10] process_one_work+0x84d/0x18a0 [ 7311.349087][ T10] worker_thread+0x587/0xd30 [ 7311.349087][ T10] kthread+0x28a/0x350 [ 7311.349087][ T10] ret_from_fork+0x31/0x70 [ 7311.349087][ T10] ret_from_fork_asm+0x1a/0x30 [ 7311.349087][ T10] [ 7311.351004][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7311.351004][ T10] netdev_get_by_index+0x5e/0x80 [ 7311.351004][ T10] fib6_nh_init+0x3d8/0x1580 [ 7311.351004][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7311.351004][ T10] ip6_route_add+0x1c/0x140 [ 7311.351004][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7311.351004][ T10] inet6_addr_add+0x4f8/0xa40 [ 7311.351004][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7311.351004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7311.351004][ T10] netlink_rcv_skb+0x130/0x360 [ 7311.351004][ T10] netlink_unicast+0x449/0x710 [ 7311.351004][ T10] netlink_sendmsg+0x723/0xbe0 [ 7311.351004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7311.351004][ T10] ___sys_sendmsg+0xee/0x170 [ 7311.351004][ T10] __sys_sendmsg+0xcd/0x170 [ 7311.351004][ T10] do_syscall_64+0xc6/0x1e0 [ 7311.351004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7311.351004][ T10] [ 7311.353005][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7311.353005][ T10] netdev_get_by_index+0x5e/0x80 [ 7311.353005][ T10] fib6_nh_init+0x3d8/0x1580 [ 7311.353005][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7311.353005][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7311.353005][ T10] ipv6_add_addr+0x411/0x2000 [ 7311.353005][ T10] inet6_addr_add+0x30e/0xa40 [ 7311.353005][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7311.353005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7311.353005][ T10] netlink_rcv_skb+0x130/0x360 [ 7311.353005][ T10] netlink_unicast+0x449/0x710 [ 7311.353005][ T10] netlink_sendmsg+0x723/0xbe0 [ 7311.353005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7311.353005][ T10] ___sys_sendmsg+0xee/0x170 [ 7311.353005][ T10] __sys_sendmsg+0xcd/0x170 [ 7311.353005][ T10] do_syscall_64+0xc6/0x1e0 [ 7311.353005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7311.353005][ T10] [ 7311.355018][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7311.355018][ T10] netdev_get_by_index+0x5e/0x80 [ 7311.355018][ T10] fib6_nh_init+0x3d8/0x1580 [ 7311.355018][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7311.355018][ T10] ip6_route_add+0x1c/0x140 [ 7311.355018][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7311.355018][ T10] addrconf_add_dev+0xe2/0x170 [ 7311.355018][ T10] inet6_addr_add+0x12f/0xa40 [ 7311.355018][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7311.355018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7311.355018][ T10] netlink_rcv_skb+0x130/0x360 [ 7311.355018][ T10] netlink_unicast+0x449/0x710 [ 7311.355018][ T10] netlink_sendmsg+0x723/0xbe0 [ 7311.355018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7311.355018][ T10] ___sys_sendmsg+0xee/0x170 [ 7311.355018][ T10] __sys_sendmsg+0xcd/0x170 [ 7311.355018][ T10] do_syscall_64+0xc6/0x1e0 [ 7311.355018][ T10] [ 7311.356992][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7311.356992][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7311.356992][ T10] ipv6_find_idev+0x102/0x170 [ 7311.356992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7311.356992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7311.356992][ T10] netlink_rcv_skb+0x130/0x360 [ 7311.356992][ T10] netlink_unicast+0x449/0x710 [ 7311.356992][ T10] netlink_sendmsg+0x723/0xbe0 [ 7311.356992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7311.356992][ T10] ___sys_sendmsg+0xee/0x170 [ 7311.356992][ T10] __sys_sendmsg+0xcd/0x170 [ 7311.356992][ T10] do_syscall_64+0xc6/0x1e0 [ 7311.356992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7311.356992][ T10] [ 7311.358532][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7311.358532][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7311.358532][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7311.358532][ T10] ipv6_find_idev+0x102/0x170 [ 7311.358532][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7311.358532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7311.358532][ T10] netlink_rcv_skb+0x130/0x360 [ 7311.358532][ T10] netlink_unicast+0x449/0x710 [ 7311.358532][ T10] netlink_sendmsg+0x723/0xbe0 [ 7311.358532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7311.358532][ T10] ___sys_sendmsg+0xee/0x170 [ 7311.358532][ T10] __sys_sendmsg+0xcd/0x170 [ 7311.358532][ T10] do_syscall_64+0xc6/0x1e0 [ 7311.358532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7311.358532][ T10] [ 7311.360212][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7311.360457][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7311.360457][ T10] netdev_get_by_index+0x5e/0x80 [ 7311.360457][ T10] fib6_nh_init+0x3d8/0x1580 [ 7311.360457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7311.360457][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7311.360457][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7311.360457][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7311.360457][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7311.360457][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7311.360457][ T10] addrconf_dad_begin+0x310/0x670 [ 7311.360457][ T10] addrconf_dad_work+0x10b/0xab0 [ 7311.360457][ T10] process_one_work+0x84d/0x18a0 [ 7311.360457][ T10] worker_thread+0x587/0xd30 [ 7311.360457][ T10] kthread+0x28a/0x350 [ 7311.360457][ T10] ret_from_fork+0x31/0x70 [ 7311.360457][ T10] ret_from_fork_asm+0x1a/0x30 [ 7311.360457][ T10] [ 7311.362377][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7311.362377][ T10] netdev_get_by_index+0x5e/0x80 [ 7311.362377][ T10] fib6_nh_init+0x3d8/0x1580 [ 7311.362377][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7311.362377][ T10] ip6_route_add+0x1c/0x140 [ 7311.362377][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7311.362377][ T10] inet6_addr_add+0x4f8/0xa40 [ 7311.362377][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7311.362377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7311.362377][ T10] netlink_rcv_skb+0x130/0x360 [ 7311.362377][ T10] netlink_unicast+0x449/0x710 [ 7311.362377][ T10] netlink_sendmsg+0x723/0xbe0 [ 7311.362377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7311.362377][ T10] ___sys_sendmsg+0xee/0x170 [ 7311.362377][ T10] __sys_sendmsg+0xcd/0x170 [ 7311.362377][ T10] do_syscall_64+0xc6/0x1e0 [ 7311.362377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7311.362377][ T10] [ 7311.364590][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7311.364590][ T10] netdev_get_by_index+0x5e/0x80 [ 7311.364590][ T10] fib6_nh_init+0x3d8/0x1580 [ 7311.364590][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7311.364590][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7311.364590][ T10] ipv6_add_addr+0x411/0x2000 [ 7311.364590][ T10] inet6_addr_add+0x30e/0xa40 [ 7311.364590][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7311.364590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7311.364590][ T10] netlink_rcv_skb+0x130/0x360 [ 7311.364590][ T10] netlink_unicast+0x449/0x710 [ 7311.364590][ T10] netlink_sendmsg+0x723/0xbe0 [ 7311.364590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7311.364590][ T10] ___sys_sendmsg+0xee/0x170 [ 7311.364590][ T10] __sys_sendmsg+0xcd/0x170 [ 7311.364590][ T10] do_syscall_64+0xc6/0x1e0 [ 7311.364590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7311.364590][ T10] [ 7311.366832][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7311.366832][ T10] netdev_get_by_index+0x5e/0x80 [ 7311.366832][ T10] fib6_nh_init+0x3d8/0x1580 [ 7311.366832][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7311.366832][ T10] ip6_route_add+0x1c/0x140 [ 7311.366832][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7311.366832][ T10] addrconf_add_dev+0xe2/0x170 [ 7311.366832][ T10] inet6_addr_add+0x12f/0xa40 [ 7311.366832][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7311.366832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7311.366832][ T10] netlink_rcv_skb+0x130/0x360 [ 7311.366832][ T10] netlink_unicast+0x449/0x710 [ 7311.366832][ T10] netlink_sendmsg+0x723/0xbe0 [ 7311.366832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7311.366832][ T10] ___sys_sendmsg+0xee/0x170 [ 7311.366832][ T10] __sys_sendmsg+0xcd/0x170 [ 7311.366832][ T10] do_syscall_64+0xc6/0x1e0 [ 7311.366832][ T10] [ 7311.368974][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7311.368974][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7311.368974][ T10] ipv6_find_idev+0x102/0x170 [ 7311.368974][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7311.368974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7311.368974][ T10] netlink_rcv_skb+0x130/0x360 [ 7311.368974][ T10] netlink_unicast+0x449/0x710 [ 7311.368974][ T10] netlink_sendmsg+0x723/0xbe0 [ 7311.368974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7311.368974][ T10] ___sys_sendmsg+0xee/0x170 [ 7311.368974][ T10] __sys_sendmsg+0xcd/0x170 [ 7311.368974][ T10] do_syscall_64+0xc6/0x1e0 [ 7311.368974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7311.368974][ T10] [ 7311.370705][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7311.370705][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7311.370705][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7311.370705][ T10] ipv6_find_idev+0x102/0x170 [ 7311.370705][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7311.370705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7311.370705][ T10] netlink_rcv_skb+0x130/0x360 [ 7311.370705][ T10] netlink_unicast+0x449/0x710 [ 7311.370705][ T10] netlink_sendmsg+0x723/0xbe0 [ 7311.370705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7311.370705][ T10] ___sys_sendmsg+0xee/0x170 [ 7311.370705][ T10] __sys_sendmsg+0xcd/0x170 [ 7311.370705][ T10] do_syscall_64+0xc6/0x1e0 [ 7311.370705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7311.370705][ T10] [ 7311.372700][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7311.372935][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7311.372935][ T10] netdev_get_by_index+0x5e/0x80 [ 7311.372935][ T10] fib6_nh_init+0x3d8/0x1580 [ 7311.372935][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7311.372935][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7311.372935][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7311.372935][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7311.372935][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7311.372935][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7311.372935][ T10] addrconf_dad_begin+0x310/0x670 [ 7311.372935][ T10] addrconf_dad_work+0x10b/0xab0 [ 7311.372935][ T10] process_one_work+0x84d/0x18a0 [ 7311.372935][ T10] worker_thread+0x587/0xd30 [ 7311.372935][ T10] kthread+0x28a/0x350 [ 7311.372935][ T10] ret_from_fork+0x31/0x70 [ 7311.372935][ T10] ret_from_fork_asm+0x1a/0x30 [ 7311.372935][ T10] [ 7311.375132][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7311.375132][ T10] netdev_get_by_index+0x5e/0x80 [ 7311.375132][ T10] fib6_nh_init+0x3d8/0x1580 [ 7311.375132][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7311.375132][ T10] ip6_route_add+0x1c/0x140 [ 7311.375132][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7311.375132][ T10] inet6_addr_add+0x4f8/0xa40 [ 7311.375132][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7311.375132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7311.375132][ T10] netlink_rcv_skb+0x130/0x360 [ 7311.375132][ T10] netlink_unicast+0x449/0x710 [ 7311.375132][ T10] netlink_sendmsg+0x723/0xbe0 [ 7311.375132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7311.375132][ T10] ___sys_sendmsg+0xee/0x170 [ 7311.375132][ T10] __sys_sendmsg+0xcd/0x170 [ 7311.375132][ T10] do_syscall_64+0xc6/0x1e0 [ 7311.375132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7311.375132][ T10] [ 7311.377366][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7311.377366][ T10] netdev_get_by_index+0x5e/0x80 [ 7311.377366][ T10] fib6_nh_init+0x3d8/0x1580 [ 7311.377366][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7311.377366][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7311.377366][ T10] ipv6_add_addr+0x411/0x2000 [ 7311.377366][ T10] inet6_addr_add+0x30e/0xa40 [ 7311.377366][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7311.377366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7311.377366][ T10] netlink_rcv_skb+0x130/0x360 [ 7311.377366][ T10] netlink_unicast+0x449/0x710 [ 7311.377366][ T10] netlink_sendmsg+0x723/0xbe0 [ 7311.377366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7311.377366][ T10] ___sys_sendmsg+0xee/0x170 [ 7311.377366][ T10] __sys_sendmsg+0xcd/0x170 [ 7311.377366][ T10] do_syscall_64+0xc6/0x1e0 [ 7311.377366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7311.377366][ T10] [ 7311.379553][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7311.379553][ T10] netdev_get_by_index+0x5e/0x80 [ 7311.379553][ T10] fib6_nh_init+0x3d8/0x1580 [ 7311.379553][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7311.379553][ T10] ip6_route_add+0x1c/0x140 [ 7311.379553][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7311.379553][ T10] addrconf_add_dev+0xe2/0x170 [ 7311.379553][ T10] inet6_addr_add+0x12f/0xa40 [ 7311.379553][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7311.379553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7311.379553][ T10] netlink_rcv_skb+0x130/0x360 [ 7311.379553][ T10] netlink_unicast+0x449/0x710 [ 7311.379553][ T10] netlink_sendmsg+0x723/0xbe0 [ 7311.379553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7311.379553][ T10] ___sys_sendmsg+0xee/0x170 [ 7311.379553][ T10] __sys_sendmsg+0xcd/0x170 [ 7311.379553][ T10] do_syscall_64+0xc6/0x1e0 [ 7311.379553][ T10] [ 7311.381810][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7311.381810][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7311.381810][ T10] ipv6_find_idev+0x102/0x170 [ 7311.381810][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7311.381810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7311.381810][ T10] netlink_rcv_skb+0x130/0x360 [ 7311.381810][ T10] netlink_unicast+0x449/0x710 [ 7311.381810][ T10] netlink_sendmsg+0x723/0xbe0 [ 7311.381810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7311.381810][ T10] ___sys_sendmsg+0xee/0x170 [ 7311.381810][ T10] __sys_sendmsg+0xcd/0x170 [ 7311.381810][ T10] do_syscall_64+0xc6/0x1e0 [ 7311.381810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7311.381810][ T10] [ 7311.383532][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7311.383532][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7311.383532][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7311.383532][ T10] ipv6_find_idev+0x102/0x170 [ 7311.383532][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7311.383532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7311.383532][ T10] netlink_rcv_skb+0x130/0x360 [ 7311.383532][ T10] netlink_unicast+0x449/0x710 [ 7311.383532][ T10] netlink_sendmsg+0x723/0xbe0 [ 7311.383532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7311.383532][ T10] ___sys_sendmsg+0xee/0x170 [ 7311.383532][ T10] __sys_sendmsg+0xcd/0x170 [ 7311.383532][ T10] do_syscall_64+0xc6/0x1e0 [ 7311.383532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7311.383532][ T10] [ 7315.561120][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7315.561618][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7315.561618][ T1167] dst_init+0x84/0x4a0 [ 7315.561618][ T1167] dst_alloc+0x97/0x150 [ 7315.561618][ T1167] ip6_dst_alloc+0x23/0x90 [ 7315.561618][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7315.561618][ T1167] ip6_pol_route+0x56f/0x840 [ 7315.561618][ T1167] fib6_rule_lookup+0x334/0x630 [ 7315.561618][ T1167] ip6_route_output_flags+0x259/0x480 [ 7315.561618][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7315.561618][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7315.561618][ T1167] netlink_rcv_skb+0x130/0x360 [ 7315.561618][ T1167] netlink_unicast+0x449/0x710 [ 7315.561618][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7315.561618][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7315.561618][ T1167] ___sys_sendmsg+0xee/0x170 [ 7315.561618][ T1167] __sys_sendmsg+0xcd/0x170 [ 7315.561618][ T1167] do_syscall_64+0xc6/0x1e0 [ 7315.561618][ T1167] [ 7315.563842][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7315.563842][ T1167] netdev_get_by_index+0x5e/0x80 [ 7315.563842][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7315.563842][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7315.563842][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7315.563842][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7315.563842][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7315.563842][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7315.563842][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7315.563842][ T1167] addrconf_dad_begin+0x310/0x670 [ 7315.563842][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7315.563842][ T1167] process_one_work+0x84d/0x18a0 [ 7315.563842][ T1167] worker_thread+0x587/0xd30 [ 7315.563842][ T1167] kthread+0x28a/0x350 [ 7315.563842][ T1167] ret_from_fork+0x31/0x70 [ 7315.563842][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7315.563842][ T1167] [ 7315.566006][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7315.566006][ T1167] netdev_get_by_index+0x5e/0x80 [ 7315.566006][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7315.566006][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7315.566006][ T1167] ip6_route_add+0x1c/0x140 [ 7315.566006][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7315.566006][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7315.566006][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7315.566006][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7315.566006][ T1167] netlink_rcv_skb+0x130/0x360 [ 7315.566006][ T1167] netlink_unicast+0x449/0x710 [ 7315.566006][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7315.566006][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7315.566006][ T1167] ___sys_sendmsg+0xee/0x170 [ 7315.566006][ T1167] __sys_sendmsg+0xcd/0x170 [ 7315.566006][ T1167] do_syscall_64+0xc6/0x1e0 [ 7315.566006][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7315.566006][ T1167] [ 7315.568262][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7315.568262][ T1167] netdev_get_by_index+0x5e/0x80 [ 7315.568262][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7315.568262][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7315.568262][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7315.568262][ T1167] ipv6_add_addr+0x411/0x2000 [ 7315.568262][ T1167] inet6_addr_add+0x30e/0xa40 [ 7315.568262][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7315.568262][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7315.568262][ T1167] netlink_rcv_skb+0x130/0x360 [ 7315.568262][ T1167] netlink_unicast+0x449/0x710 [ 7315.568262][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7315.568262][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7315.568262][ T1167] ___sys_sendmsg+0xee/0x170 [ 7315.568262][ T1167] __sys_sendmsg+0xcd/0x170 [ 7315.568262][ T1167] do_syscall_64+0xc6/0x1e0 [ 7315.568262][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7315.568262][ T1167] [ 7315.570516][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7315.570516][ T1167] netdev_get_by_index+0x5e/0x80 [ 7315.570516][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7315.570516][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7315.570516][ T1167] ip6_route_add+0x1c/0x140 [ 7315.570516][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7315.570516][ T1167] addrconf_add_dev+0xe2/0x170 [ 7315.570516][ T1167] inet6_addr_add+0x12f/0xa40 [ 7315.570516][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7315.570516][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7315.570516][ T1167] netlink_rcv_skb+0x130/0x360 [ 7315.570516][ T1167] netlink_unicast+0x449/0x710 [ 7315.570516][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7315.570516][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7315.570516][ T1167] ___sys_sendmsg+0xee/0x170 [ 7315.570516][ T1167] __sys_sendmsg+0xcd/0x170 [ 7315.570516][ T1167] do_syscall_64+0xc6/0x1e0 [ 7315.570516][ T1167] [ 7315.572727][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7315.572727][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7315.572727][ T1167] ipv6_find_idev+0x102/0x170 [ 7315.572727][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7315.572727][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7315.572727][ T1167] netlink_rcv_skb+0x130/0x360 [ 7315.572727][ T1167] netlink_unicast+0x449/0x710 [ 7315.572727][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7315.572727][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7315.572727][ T1167] ___sys_sendmsg+0xee/0x170 [ 7315.572727][ T1167] __sys_sendmsg+0xcd/0x170 [ 7315.572727][ T1167] do_syscall_64+0xc6/0x1e0 [ 7315.572727][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7315.572727][ T1167] [ 7315.574465][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7315.574465][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7315.574465][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7315.574465][ T1167] ipv6_find_idev+0x102/0x170 [ 7315.574465][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7315.574465][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7315.574465][ T1167] netlink_rcv_skb+0x130/0x360 [ 7315.574465][ T1167] netlink_unicast+0x449/0x710 [ 7315.574465][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7315.574465][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7315.574465][ T1167] ___sys_sendmsg+0xee/0x170 [ 7315.574465][ T1167] __sys_sendmsg+0xcd/0x170 [ 7315.574465][ T1167] do_syscall_64+0xc6/0x1e0 [ 7315.574465][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7315.574465][ T1167] [ 7321.625066][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7321.625558][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7321.625558][ T10] netdev_get_by_index+0x5e/0x80 [ 7321.625558][ T10] fib6_nh_init+0x3d8/0x1580 [ 7321.625558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7321.625558][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7321.625558][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7321.625558][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7321.625558][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7321.625558][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7321.625558][ T10] addrconf_dad_begin+0x310/0x670 [ 7321.625558][ T10] addrconf_dad_work+0x10b/0xab0 [ 7321.625558][ T10] process_one_work+0x84d/0x18a0 [ 7321.625558][ T10] worker_thread+0x587/0xd30 [ 7321.625558][ T10] kthread+0x28a/0x350 [ 7321.625558][ T10] ret_from_fork+0x31/0x70 [ 7321.625558][ T10] ret_from_fork_asm+0x1a/0x30 [ 7321.625558][ T10] [ 7321.627770][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7321.627770][ T10] netdev_get_by_index+0x5e/0x80 [ 7321.627770][ T10] fib6_nh_init+0x3d8/0x1580 [ 7321.627770][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7321.627770][ T10] ip6_route_add+0x1c/0x140 [ 7321.627770][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7321.627770][ T10] inet6_addr_add+0x4f8/0xa40 [ 7321.627770][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7321.627770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7321.627770][ T10] netlink_rcv_skb+0x130/0x360 [ 7321.627770][ T10] netlink_unicast+0x449/0x710 [ 7321.627770][ T10] netlink_sendmsg+0x723/0xbe0 [ 7321.627770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7321.627770][ T10] ___sys_sendmsg+0xee/0x170 [ 7321.627770][ T10] __sys_sendmsg+0xcd/0x170 [ 7321.627770][ T10] do_syscall_64+0xc6/0x1e0 [ 7321.627770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7321.627770][ T10] [ 7321.630030][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7321.630030][ T10] netdev_get_by_index+0x5e/0x80 [ 7321.630030][ T10] fib6_nh_init+0x3d8/0x1580 [ 7321.630030][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7321.630030][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7321.630030][ T10] ipv6_add_addr+0x411/0x2000 [ 7321.630030][ T10] inet6_addr_add+0x30e/0xa40 [ 7321.630030][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7321.630030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7321.630030][ T10] netlink_rcv_skb+0x130/0x360 [ 7321.630030][ T10] netlink_unicast+0x449/0x710 [ 7321.630030][ T10] netlink_sendmsg+0x723/0xbe0 [ 7321.630030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7321.630030][ T10] ___sys_sendmsg+0xee/0x170 [ 7321.630030][ T10] __sys_sendmsg+0xcd/0x170 [ 7321.630030][ T10] do_syscall_64+0xc6/0x1e0 [ 7321.630030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7321.630030][ T10] [ 7321.632290][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7321.632290][ T10] netdev_get_by_index+0x5e/0x80 [ 7321.632290][ T10] fib6_nh_init+0x3d8/0x1580 [ 7321.632290][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7321.632290][ T10] ip6_route_add+0x1c/0x140 [ 7321.632290][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7321.632290][ T10] addrconf_add_dev+0xe2/0x170 [ 7321.632290][ T10] inet6_addr_add+0x12f/0xa40 [ 7321.632290][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7321.632290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7321.632290][ T10] netlink_rcv_skb+0x130/0x360 [ 7321.632290][ T10] netlink_unicast+0x449/0x710 [ 7321.632290][ T10] netlink_sendmsg+0x723/0xbe0 [ 7321.632290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7321.632290][ T10] ___sys_sendmsg+0xee/0x170 [ 7321.632290][ T10] __sys_sendmsg+0xcd/0x170 [ 7321.632290][ T10] do_syscall_64+0xc6/0x1e0 [ 7321.632290][ T10] [ 7321.634625][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7321.634625][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7321.634625][ T10] ipv6_find_idev+0x102/0x170 [ 7321.634625][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7321.634625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7321.634625][ T10] netlink_rcv_skb+0x130/0x360 [ 7321.634625][ T10] netlink_unicast+0x449/0x710 [ 7321.634625][ T10] netlink_sendmsg+0x723/0xbe0 [ 7321.634625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7321.634625][ T10] ___sys_sendmsg+0xee/0x170 [ 7321.634625][ T10] __sys_sendmsg+0xcd/0x170 [ 7321.634625][ T10] do_syscall_64+0xc6/0x1e0 [ 7321.634625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7321.634625][ T10] [ 7321.636374][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7321.636374][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7321.636374][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7321.636374][ T10] ipv6_find_idev+0x102/0x170 [ 7321.636374][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7321.636374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7321.636374][ T10] netlink_rcv_skb+0x130/0x360 [ 7321.636374][ T10] netlink_unicast+0x449/0x710 [ 7321.636374][ T10] netlink_sendmsg+0x723/0xbe0 [ 7321.636374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7321.636374][ T10] ___sys_sendmsg+0xee/0x170 [ 7321.636374][ T10] __sys_sendmsg+0xcd/0x170 [ 7321.636374][ T10] do_syscall_64+0xc6/0x1e0 [ 7321.636374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7321.636374][ T10] [ 7321.638309][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7321.638576][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7321.638576][ T10] netdev_get_by_index+0x5e/0x80 [ 7321.638576][ T10] fib6_nh_init+0x3d8/0x1580 [ 7321.638576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7321.638576][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7321.638576][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7321.638576][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7321.638576][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7321.638576][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7321.638576][ T10] addrconf_dad_begin+0x310/0x670 [ 7321.638576][ T10] addrconf_dad_work+0x10b/0xab0 [ 7321.638576][ T10] process_one_work+0x84d/0x18a0 [ 7321.638576][ T10] worker_thread+0x587/0xd30 [ 7321.638576][ T10] kthread+0x28a/0x350 [ 7321.638576][ T10] ret_from_fork+0x31/0x70 [ 7321.638576][ T10] ret_from_fork_asm+0x1a/0x30 [ 7321.638576][ T10] [ 7321.640736][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7321.640736][ T10] netdev_get_by_index+0x5e/0x80 [ 7321.640736][ T10] fib6_nh_init+0x3d8/0x1580 [ 7321.640736][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7321.640736][ T10] ip6_route_add+0x1c/0x140 [ 7321.640736][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7321.640736][ T10] inet6_addr_add+0x4f8/0xa40 [ 7321.640736][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7321.640736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7321.640736][ T10] netlink_rcv_skb+0x130/0x360 [ 7321.640736][ T10] netlink_unicast+0x449/0x710 [ 7321.640736][ T10] netlink_sendmsg+0x723/0xbe0 [ 7321.640736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7321.640736][ T10] ___sys_sendmsg+0xee/0x170 [ 7321.640736][ T10] __sys_sendmsg+0xcd/0x170 [ 7321.640736][ T10] do_syscall_64+0xc6/0x1e0 [ 7321.640736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7321.640736][ T10] [ 7321.642986][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7321.642986][ T10] netdev_get_by_index+0x5e/0x80 [ 7321.642986][ T10] fib6_nh_init+0x3d8/0x1580 [ 7321.642986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7321.642986][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7321.642986][ T10] ipv6_add_addr+0x411/0x2000 [ 7321.642986][ T10] inet6_addr_add+0x30e/0xa40 [ 7321.642986][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7321.642986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7321.642986][ T10] netlink_rcv_skb+0x130/0x360 [ 7321.642986][ T10] netlink_unicast+0x449/0x710 [ 7321.642986][ T10] netlink_sendmsg+0x723/0xbe0 [ 7321.642986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7321.642986][ T10] ___sys_sendmsg+0xee/0x170 [ 7321.642986][ T10] __sys_sendmsg+0xcd/0x170 [ 7321.642986][ T10] do_syscall_64+0xc6/0x1e0 [ 7321.642986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7321.642986][ T10] [ 7321.645262][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7321.645262][ T10] netdev_get_by_index+0x5e/0x80 [ 7321.645262][ T10] fib6_nh_init+0x3d8/0x1580 [ 7321.645262][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7321.645262][ T10] ip6_route_add+0x1c/0x140 [ 7321.645262][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7321.645262][ T10] addrconf_add_dev+0xe2/0x170 [ 7321.645262][ T10] inet6_addr_add+0x12f/0xa40 [ 7321.645262][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7321.645262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7321.645262][ T10] netlink_rcv_skb+0x130/0x360 [ 7321.645262][ T10] netlink_unicast+0x449/0x710 [ 7321.645262][ T10] netlink_sendmsg+0x723/0xbe0 [ 7321.645262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7321.645262][ T10] ___sys_sendmsg+0xee/0x170 [ 7321.645262][ T10] __sys_sendmsg+0xcd/0x170 [ 7321.645262][ T10] do_syscall_64+0xc6/0x1e0 [ 7321.645262][ T10] [ 7321.647497][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7321.647497][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7321.647497][ T10] ipv6_find_idev+0x102/0x170 [ 7321.647497][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7321.647497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7321.647497][ T10] netlink_rcv_skb+0x130/0x360 [ 7321.647497][ T10] netlink_unicast+0x449/0x710 [ 7321.647497][ T10] netlink_sendmsg+0x723/0xbe0 [ 7321.647497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7321.647497][ T10] ___sys_sendmsg+0xee/0x170 [ 7321.647497][ T10] __sys_sendmsg+0xcd/0x170 [ 7321.647497][ T10] do_syscall_64+0xc6/0x1e0 [ 7321.647497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7321.647497][ T10] [ 7321.649257][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7321.649257][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7321.649257][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7321.649257][ T10] ipv6_find_idev+0x102/0x170 [ 7321.649257][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7321.649257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7321.649257][ T10] netlink_rcv_skb+0x130/0x360 [ 7321.649257][ T10] netlink_unicast+0x449/0x710 [ 7321.649257][ T10] netlink_sendmsg+0x723/0xbe0 [ 7321.649257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7321.649257][ T10] ___sys_sendmsg+0xee/0x170 [ 7321.649257][ T10] __sys_sendmsg+0xcd/0x170 [ 7321.649257][ T10] do_syscall_64+0xc6/0x1e0 [ 7321.649257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7321.649257][ T10] [ 7321.651201][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7321.651471][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7321.651471][ T10] netdev_get_by_index+0x5e/0x80 [ 7321.651471][ T10] fib6_nh_init+0x3d8/0x1580 [ 7321.651471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7321.651471][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7321.651471][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7321.651471][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7321.651471][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7321.651471][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7321.651471][ T10] addrconf_dad_begin+0x310/0x670 [ 7321.651471][ T10] addrconf_dad_work+0x10b/0xab0 [ 7321.651471][ T10] process_one_work+0x84d/0x18a0 [ 7321.651471][ T10] worker_thread+0x587/0xd30 [ 7321.651471][ T10] kthread+0x28a/0x350 [ 7321.651471][ T10] ret_from_fork+0x31/0x70 [ 7321.651471][ T10] ret_from_fork_asm+0x1a/0x30 [ 7321.651471][ T10] [ 7321.653645][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7321.653645][ T10] netdev_get_by_index+0x5e/0x80 [ 7321.653645][ T10] fib6_nh_init+0x3d8/0x1580 [ 7321.653645][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7321.653645][ T10] ip6_route_add+0x1c/0x140 [ 7321.653645][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7321.653645][ T10] inet6_addr_add+0x4f8/0xa40 [ 7321.653645][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7321.653645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7321.653645][ T10] netlink_rcv_skb+0x130/0x360 [ 7321.653645][ T10] netlink_unicast+0x449/0x710 [ 7321.653645][ T10] netlink_sendmsg+0x723/0xbe0 [ 7321.653645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7321.653645][ T10] ___sys_sendmsg+0xee/0x170 [ 7321.653645][ T10] __sys_sendmsg+0xcd/0x170 [ 7321.653645][ T10] do_syscall_64+0xc6/0x1e0 [ 7321.653645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7321.653645][ T10] [ 7321.656140][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7321.656140][ T10] netdev_get_by_index+0x5e/0x80 [ 7321.656140][ T10] fib6_nh_init+0x3d8/0x1580 [ 7321.656140][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7321.656140][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7321.656140][ T10] ipv6_add_addr+0x411/0x2000 [ 7321.656140][ T10] inet6_addr_add+0x30e/0xa40 [ 7321.656140][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7321.656140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7321.656140][ T10] netlink_rcv_skb+0x130/0x360 [ 7321.656140][ T10] netlink_unicast+0x449/0x710 [ 7321.656140][ T10] netlink_sendmsg+0x723/0xbe0 [ 7321.656140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7321.656140][ T10] ___sys_sendmsg+0xee/0x170 [ 7321.656140][ T10] __sys_sendmsg+0xcd/0x170 [ 7321.656140][ T10] do_syscall_64+0xc6/0x1e0 [ 7321.656140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7321.656140][ T10] [ 7321.658712][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7321.658712][ T10] netdev_get_by_index+0x5e/0x80 [ 7321.658712][ T10] fib6_nh_init+0x3d8/0x1580 [ 7321.658712][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7321.658712][ T10] ip6_route_add+0x1c/0x140 [ 7321.658712][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7321.658712][ T10] addrconf_add_dev+0xe2/0x170 [ 7321.658712][ T10] inet6_addr_add+0x12f/0xa40 [ 7321.658712][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7321.658712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7321.658712][ T10] netlink_rcv_skb+0x130/0x360 [ 7321.658712][ T10] netlink_unicast+0x449/0x710 [ 7321.658712][ T10] netlink_sendmsg+0x723/0xbe0 [ 7321.658712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7321.658712][ T10] ___sys_sendmsg+0xee/0x170 [ 7321.658712][ T10] __sys_sendmsg+0xcd/0x170 [ 7321.658712][ T10] do_syscall_64+0xc6/0x1e0 [ 7321.658712][ T10] [ 7321.661182][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7321.661182][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7321.661182][ T10] ipv6_find_idev+0x102/0x170 [ 7321.661182][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7321.661182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7321.661182][ T10] netlink_rcv_skb+0x130/0x360 [ 7321.661182][ T10] netlink_unicast+0x449/0x710 [ 7321.661182][ T10] netlink_sendmsg+0x723/0xbe0 [ 7321.661182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7321.661182][ T10] ___sys_sendmsg+0xee/0x170 [ 7321.661182][ T10] __sys_sendmsg+0xcd/0x170 [ 7321.661182][ T10] do_syscall_64+0xc6/0x1e0 [ 7321.661182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7321.661182][ T10] [ 7321.663101][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7321.663101][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7321.663101][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7321.663101][ T10] ipv6_find_idev+0x102/0x170 [ 7321.663101][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7321.663101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7321.663101][ T10] netlink_rcv_skb+0x130/0x360 [ 7321.663101][ T10] netlink_unicast+0x449/0x710 [ 7321.663101][ T10] netlink_sendmsg+0x723/0xbe0 [ 7321.663101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7321.663101][ T10] ___sys_sendmsg+0xee/0x170 [ 7321.663101][ T10] __sys_sendmsg+0xcd/0x170 [ 7321.663101][ T10] do_syscall_64+0xc6/0x1e0 [ 7321.663101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7321.663101][ T10] [ 7321.665210][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7321.665473][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7321.665473][ T10] netdev_get_by_index+0x5e/0x80 [ 7321.665473][ T10] fib6_nh_init+0x3d8/0x1580 [ 7321.665473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7321.665473][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7321.665473][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7321.665473][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7321.665473][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7321.665473][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7321.665473][ T10] addrconf_dad_begin+0x310/0x670 [ 7321.665473][ T10] addrconf_dad_work+0x10b/0xab0 [ 7321.665473][ T10] process_one_work+0x84d/0x18a0 [ 7321.665473][ T10] worker_thread+0x587/0xd30 [ 7321.665473][ T10] kthread+0x28a/0x350 [ 7321.665473][ T10] ret_from_fork+0x31/0x70 [ 7321.665473][ T10] ret_from_fork_asm+0x1a/0x30 [ 7321.665473][ T10] [ 7321.667923][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7321.667923][ T10] netdev_get_by_index+0x5e/0x80 [ 7321.667923][ T10] fib6_nh_init+0x3d8/0x1580 [ 7321.667923][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7321.667923][ T10] ip6_route_add+0x1c/0x140 [ 7321.667923][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7321.667923][ T10] inet6_addr_add+0x4f8/0xa40 [ 7321.667923][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7321.667923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7321.667923][ T10] netlink_rcv_skb+0x130/0x360 [ 7321.667923][ T10] netlink_unicast+0x449/0x710 [ 7321.667923][ T10] netlink_sendmsg+0x723/0xbe0 [ 7321.667923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7321.667923][ T10] ___sys_sendmsg+0xee/0x170 [ 7321.667923][ T10] __sys_sendmsg+0xcd/0x170 [ 7321.667923][ T10] do_syscall_64+0xc6/0x1e0 [ 7321.667923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7321.667923][ T10] [ 7321.670476][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7321.670476][ T10] netdev_get_by_index+0x5e/0x80 [ 7321.670476][ T10] fib6_nh_init+0x3d8/0x1580 [ 7321.670476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7321.670476][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7321.670476][ T10] ipv6_add_addr+0x411/0x2000 [ 7321.670476][ T10] inet6_addr_add+0x30e/0xa40 [ 7321.670476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7321.670476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7321.670476][ T10] netlink_rcv_skb+0x130/0x360 [ 7321.670476][ T10] netlink_unicast+0x449/0x710 [ 7321.670476][ T10] netlink_sendmsg+0x723/0xbe0 [ 7321.670476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7321.670476][ T10] ___sys_sendmsg+0xee/0x170 [ 7321.670476][ T10] __sys_sendmsg+0xcd/0x170 [ 7321.670476][ T10] do_syscall_64+0xc6/0x1e0 [ 7321.670476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7321.670476][ T10] [ 7321.672988][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7321.672988][ T10] netdev_get_by_index+0x5e/0x80 [ 7321.672988][ T10] fib6_nh_init+0x3d8/0x1580 [ 7321.672988][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7321.672988][ T10] ip6_route_add+0x1c/0x140 [ 7321.672988][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7321.672988][ T10] addrconf_add_dev+0xe2/0x170 [ 7321.672988][ T10] inet6_addr_add+0x12f/0xa40 [ 7321.672988][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7321.672988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7321.672988][ T10] netlink_rcv_skb+0x130/0x360 [ 7321.672988][ T10] netlink_unicast+0x449/0x710 [ 7321.672988][ T10] netlink_sendmsg+0x723/0xbe0 [ 7321.672988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7321.672988][ T10] ___sys_sendmsg+0xee/0x170 [ 7321.672988][ T10] __sys_sendmsg+0xcd/0x170 [ 7321.672988][ T10] do_syscall_64+0xc6/0x1e0 [ 7321.672988][ T10] [ 7321.675398][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7321.675398][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7321.675398][ T10] ipv6_find_idev+0x102/0x170 [ 7321.675398][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7321.675398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7321.675398][ T10] netlink_rcv_skb+0x130/0x360 [ 7321.675398][ T10] netlink_unicast+0x449/0x710 [ 7321.675398][ T10] netlink_sendmsg+0x723/0xbe0 [ 7321.675398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7321.675398][ T10] ___sys_sendmsg+0xee/0x170 [ 7321.675398][ T10] __sys_sendmsg+0xcd/0x170 [ 7321.675398][ T10] do_syscall_64+0xc6/0x1e0 [ 7321.675398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7321.675398][ T10] [ 7321.677329][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7321.677329][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7321.677329][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7321.677329][ T10] ipv6_find_idev+0x102/0x170 [ 7321.677329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7321.677329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7321.677329][ T10] netlink_rcv_skb+0x130/0x360 [ 7321.677329][ T10] netlink_unicast+0x449/0x710 [ 7321.677329][ T10] netlink_sendmsg+0x723/0xbe0 [ 7321.677329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7321.677329][ T10] ___sys_sendmsg+0xee/0x170 [ 7321.677329][ T10] __sys_sendmsg+0xcd/0x170 [ 7321.677329][ T10] do_syscall_64+0xc6/0x1e0 [ 7321.677329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7321.677329][ T10] [ 7325.817154][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7325.817646][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7325.817646][ T1167] dst_init+0x84/0x4a0 [ 7325.817646][ T1167] dst_alloc+0x97/0x150 [ 7325.817646][ T1167] ip6_dst_alloc+0x23/0x90 [ 7325.817646][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7325.817646][ T1167] ip6_pol_route+0x56f/0x840 [ 7325.817646][ T1167] fib6_rule_lookup+0x334/0x630 [ 7325.817646][ T1167] ip6_route_output_flags+0x259/0x480 [ 7325.817646][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7325.817646][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7325.817646][ T1167] netlink_rcv_skb+0x130/0x360 [ 7325.817646][ T1167] netlink_unicast+0x449/0x710 [ 7325.817646][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7325.817646][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7325.817646][ T1167] ___sys_sendmsg+0xee/0x170 [ 7325.817646][ T1167] __sys_sendmsg+0xcd/0x170 [ 7325.817646][ T1167] do_syscall_64+0xc6/0x1e0 [ 7325.817646][ T1167] [ 7325.819854][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7325.819854][ T1167] netdev_get_by_index+0x5e/0x80 [ 7325.819854][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7325.819854][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7325.819854][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7325.819854][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7325.819854][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7325.819854][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7325.819854][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7325.819854][ T1167] addrconf_dad_begin+0x310/0x670 [ 7325.819854][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7325.819854][ T1167] process_one_work+0x84d/0x18a0 [ 7325.819854][ T1167] worker_thread+0x587/0xd30 [ 7325.819854][ T1167] kthread+0x28a/0x350 [ 7325.819854][ T1167] ret_from_fork+0x31/0x70 [ 7325.819854][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7325.819854][ T1167] [ 7325.822129][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7325.822129][ T1167] netdev_get_by_index+0x5e/0x80 [ 7325.822129][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7325.822129][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7325.822129][ T1167] ip6_route_add+0x1c/0x140 [ 7325.822129][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7325.822129][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7325.822129][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7325.822129][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7325.822129][ T1167] netlink_rcv_skb+0x130/0x360 [ 7325.822129][ T1167] netlink_unicast+0x449/0x710 [ 7325.822129][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7325.822129][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7325.822129][ T1167] ___sys_sendmsg+0xee/0x170 [ 7325.822129][ T1167] __sys_sendmsg+0xcd/0x170 [ 7325.822129][ T1167] do_syscall_64+0xc6/0x1e0 [ 7325.822129][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7325.822129][ T1167] [ 7325.824409][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7325.824409][ T1167] netdev_get_by_index+0x5e/0x80 [ 7325.824409][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7325.824409][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7325.824409][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7325.824409][ T1167] ipv6_add_addr+0x411/0x2000 [ 7325.824409][ T1167] inet6_addr_add+0x30e/0xa40 [ 7325.824409][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7325.824409][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7325.824409][ T1167] netlink_rcv_skb+0x130/0x360 [ 7325.824409][ T1167] netlink_unicast+0x449/0x710 [ 7325.824409][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7325.824409][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7325.824409][ T1167] ___sys_sendmsg+0xee/0x170 [ 7325.824409][ T1167] __sys_sendmsg+0xcd/0x170 [ 7325.824409][ T1167] do_syscall_64+0xc6/0x1e0 [ 7325.824409][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7325.824409][ T1167] [ 7325.826684][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7325.826684][ T1167] netdev_get_by_index+0x5e/0x80 [ 7325.826684][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7325.826684][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7325.826684][ T1167] ip6_route_add+0x1c/0x140 [ 7325.826684][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7325.826684][ T1167] addrconf_add_dev+0xe2/0x170 [ 7325.826684][ T1167] inet6_addr_add+0x12f/0xa40 [ 7325.826684][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7325.826684][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7325.826684][ T1167] netlink_rcv_skb+0x130/0x360 [ 7325.826684][ T1167] netlink_unicast+0x449/0x710 [ 7325.826684][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7325.826684][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7325.826684][ T1167] ___sys_sendmsg+0xee/0x170 [ 7325.826684][ T1167] __sys_sendmsg+0xcd/0x170 [ 7325.826684][ T1167] do_syscall_64+0xc6/0x1e0 [ 7325.826684][ T1167] [ 7325.828911][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7325.828911][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7325.828911][ T1167] ipv6_find_idev+0x102/0x170 [ 7325.828911][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7325.828911][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7325.828911][ T1167] netlink_rcv_skb+0x130/0x360 [ 7325.828911][ T1167] netlink_unicast+0x449/0x710 [ 7325.828911][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7325.828911][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7325.828911][ T1167] ___sys_sendmsg+0xee/0x170 [ 7325.828911][ T1167] __sys_sendmsg+0xcd/0x170 [ 7325.828911][ T1167] do_syscall_64+0xc6/0x1e0 [ 7325.828911][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7325.828911][ T1167] [ 7325.830659][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7325.830659][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7325.830659][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7325.830659][ T1167] ipv6_find_idev+0x102/0x170 [ 7325.830659][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7325.830659][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7325.830659][ T1167] netlink_rcv_skb+0x130/0x360 [ 7325.830659][ T1167] netlink_unicast+0x449/0x710 [ 7325.830659][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7325.830659][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7325.830659][ T1167] ___sys_sendmsg+0xee/0x170 [ 7325.830659][ T1167] __sys_sendmsg+0xcd/0x170 [ 7325.830659][ T1167] do_syscall_64+0xc6/0x1e0 [ 7325.830659][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7325.830659][ T1167] [ 7331.929092][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7331.929688][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7331.929688][ T10] netdev_get_by_index+0x5e/0x80 [ 7331.929688][ T10] fib6_nh_init+0x3d8/0x1580 [ 7331.929688][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7331.929688][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7331.929688][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7331.929688][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7331.929688][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7331.929688][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7331.929688][ T10] addrconf_dad_begin+0x310/0x670 [ 7331.929688][ T10] addrconf_dad_work+0x10b/0xab0 [ 7331.929688][ T10] process_one_work+0x84d/0x18a0 [ 7331.929688][ T10] worker_thread+0x587/0xd30 [ 7331.929688][ T10] kthread+0x28a/0x350 [ 7331.929688][ T10] ret_from_fork+0x31/0x70 [ 7331.929688][ T10] ret_from_fork_asm+0x1a/0x30 [ 7331.929688][ T10] [ 7331.932933][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7331.932933][ T10] netdev_get_by_index+0x5e/0x80 [ 7331.932933][ T10] fib6_nh_init+0x3d8/0x1580 [ 7331.932933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7331.932933][ T10] ip6_route_add+0x1c/0x140 [ 7331.932933][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7331.932933][ T10] inet6_addr_add+0x4f8/0xa40 [ 7331.932933][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7331.932933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7331.932933][ T10] netlink_rcv_skb+0x130/0x360 [ 7331.932933][ T10] netlink_unicast+0x449/0x710 [ 7331.932933][ T10] netlink_sendmsg+0x723/0xbe0 [ 7331.932933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7331.932933][ T10] ___sys_sendmsg+0xee/0x170 [ 7331.932933][ T10] __sys_sendmsg+0xcd/0x170 [ 7331.932933][ T10] do_syscall_64+0xc6/0x1e0 [ 7331.932933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7331.932933][ T10] [ 7331.936321][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7331.936321][ T10] netdev_get_by_index+0x5e/0x80 [ 7331.936321][ T10] fib6_nh_init+0x3d8/0x1580 [ 7331.936321][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7331.936321][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7331.936321][ T10] ipv6_add_addr+0x411/0x2000 [ 7331.936321][ T10] inet6_addr_add+0x30e/0xa40 [ 7331.936321][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7331.936321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7331.936321][ T10] netlink_rcv_skb+0x130/0x360 [ 7331.936321][ T10] netlink_unicast+0x449/0x710 [ 7331.936321][ T10] netlink_sendmsg+0x723/0xbe0 [ 7331.936321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7331.936321][ T10] ___sys_sendmsg+0xee/0x170 [ 7331.936321][ T10] __sys_sendmsg+0xcd/0x170 [ 7331.936321][ T10] do_syscall_64+0xc6/0x1e0 [ 7331.936321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7331.936321][ T10] [ 7331.940154][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7331.940154][ T10] netdev_get_by_index+0x5e/0x80 [ 7331.940154][ T10] fib6_nh_init+0x3d8/0x1580 [ 7331.940154][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7331.940154][ T10] ip6_route_add+0x1c/0x140 [ 7331.940154][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7331.940154][ T10] addrconf_add_dev+0xe2/0x170 [ 7331.940154][ T10] inet6_addr_add+0x12f/0xa40 [ 7331.940154][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7331.940154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7331.940154][ T10] netlink_rcv_skb+0x130/0x360 [ 7331.940154][ T10] netlink_unicast+0x449/0x710 [ 7331.940154][ T10] netlink_sendmsg+0x723/0xbe0 [ 7331.940154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7331.940154][ T10] ___sys_sendmsg+0xee/0x170 [ 7331.940154][ T10] __sys_sendmsg+0xcd/0x170 [ 7331.940154][ T10] do_syscall_64+0xc6/0x1e0 [ 7331.940154][ T10] [ 7331.943474][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7331.943474][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7331.943474][ T10] ipv6_find_idev+0x102/0x170 [ 7331.943474][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7331.943474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7331.943474][ T10] netlink_rcv_skb+0x130/0x360 [ 7331.943474][ T10] netlink_unicast+0x449/0x710 [ 7331.943474][ T10] netlink_sendmsg+0x723/0xbe0 [ 7331.943474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7331.943474][ T10] ___sys_sendmsg+0xee/0x170 [ 7331.943474][ T10] __sys_sendmsg+0xcd/0x170 [ 7331.943474][ T10] do_syscall_64+0xc6/0x1e0 [ 7331.943474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7331.943474][ T10] [ 7331.945586][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7331.945586][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7331.945586][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7331.945586][ T10] ipv6_find_idev+0x102/0x170 [ 7331.945586][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7331.945586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7331.945586][ T10] netlink_rcv_skb+0x130/0x360 [ 7331.945586][ T10] netlink_unicast+0x449/0x710 [ 7331.945586][ T10] netlink_sendmsg+0x723/0xbe0 [ 7331.945586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7331.945586][ T10] ___sys_sendmsg+0xee/0x170 [ 7331.945586][ T10] __sys_sendmsg+0xcd/0x170 [ 7331.945586][ T10] do_syscall_64+0xc6/0x1e0 [ 7331.945586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7331.945586][ T10] [ 7331.947491][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7331.947765][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7331.947765][ T10] netdev_get_by_index+0x5e/0x80 [ 7331.947765][ T10] fib6_nh_init+0x3d8/0x1580 [ 7331.947765][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7331.947765][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7331.947765][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7331.947765][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7331.947765][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7331.947765][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7331.947765][ T10] addrconf_dad_begin+0x310/0x670 [ 7331.947765][ T10] addrconf_dad_work+0x10b/0xab0 [ 7331.947765][ T10] process_one_work+0x84d/0x18a0 [ 7331.947765][ T10] worker_thread+0x587/0xd30 [ 7331.947765][ T10] kthread+0x28a/0x350 [ 7331.947765][ T10] ret_from_fork+0x31/0x70 [ 7331.947765][ T10] ret_from_fork_asm+0x1a/0x30 [ 7331.947765][ T10] [ 7331.949943][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7331.949943][ T10] netdev_get_by_index+0x5e/0x80 [ 7331.949943][ T10] fib6_nh_init+0x3d8/0x1580 [ 7331.949943][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7331.949943][ T10] ip6_route_add+0x1c/0x140 [ 7331.949943][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7331.949943][ T10] inet6_addr_add+0x4f8/0xa40 [ 7331.949943][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7331.949943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7331.949943][ T10] netlink_rcv_skb+0x130/0x360 [ 7331.949943][ T10] netlink_unicast+0x449/0x710 [ 7331.949943][ T10] netlink_sendmsg+0x723/0xbe0 [ 7331.949943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7331.949943][ T10] ___sys_sendmsg+0xee/0x170 [ 7331.949943][ T10] __sys_sendmsg+0xcd/0x170 [ 7331.949943][ T10] do_syscall_64+0xc6/0x1e0 [ 7331.949943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7331.949943][ T10] [ 7331.952185][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7331.952185][ T10] netdev_get_by_index+0x5e/0x80 [ 7331.952185][ T10] fib6_nh_init+0x3d8/0x1580 [ 7331.952185][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7331.952185][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7331.952185][ T10] ipv6_add_addr+0x411/0x2000 [ 7331.952185][ T10] inet6_addr_add+0x30e/0xa40 [ 7331.952185][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7331.952185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7331.952185][ T10] netlink_rcv_skb+0x130/0x360 [ 7331.952185][ T10] netlink_unicast+0x449/0x710 [ 7331.952185][ T10] netlink_sendmsg+0x723/0xbe0 [ 7331.952185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7331.952185][ T10] ___sys_sendmsg+0xee/0x170 [ 7331.952185][ T10] __sys_sendmsg+0xcd/0x170 [ 7331.952185][ T10] do_syscall_64+0xc6/0x1e0 [ 7331.952185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7331.952185][ T10] [ 7331.954477][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7331.954477][ T10] netdev_get_by_index+0x5e/0x80 [ 7331.954477][ T10] fib6_nh_init+0x3d8/0x1580 [ 7331.954477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7331.954477][ T10] ip6_route_add+0x1c/0x140 [ 7331.954477][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7331.954477][ T10] addrconf_add_dev+0xe2/0x170 [ 7331.954477][ T10] inet6_addr_add+0x12f/0xa40 [ 7331.954477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7331.954477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7331.954477][ T10] netlink_rcv_skb+0x130/0x360 [ 7331.954477][ T10] netlink_unicast+0x449/0x710 [ 7331.954477][ T10] netlink_sendmsg+0x723/0xbe0 [ 7331.954477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7331.954477][ T10] ___sys_sendmsg+0xee/0x170 [ 7331.954477][ T10] __sys_sendmsg+0xcd/0x170 [ 7331.954477][ T10] do_syscall_64+0xc6/0x1e0 [ 7331.954477][ T10] [ 7331.956730][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7331.956730][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7331.956730][ T10] ipv6_find_idev+0x102/0x170 [ 7331.956730][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7331.956730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7331.956730][ T10] netlink_rcv_skb+0x130/0x360 [ 7331.956730][ T10] netlink_unicast+0x449/0x710 [ 7331.956730][ T10] netlink_sendmsg+0x723/0xbe0 [ 7331.956730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7331.956730][ T10] ___sys_sendmsg+0xee/0x170 [ 7331.956730][ T10] __sys_sendmsg+0xcd/0x170 [ 7331.956730][ T10] do_syscall_64+0xc6/0x1e0 [ 7331.956730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7331.956730][ T10] [ 7331.958698][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7331.958698][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7331.958698][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7331.958698][ T10] ipv6_find_idev+0x102/0x170 [ 7331.958698][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7331.958698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7331.958698][ T10] netlink_rcv_skb+0x130/0x360 [ 7331.958698][ T10] netlink_unicast+0x449/0x710 [ 7331.958698][ T10] netlink_sendmsg+0x723/0xbe0 [ 7331.958698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7331.958698][ T10] ___sys_sendmsg+0xee/0x170 [ 7331.958698][ T10] __sys_sendmsg+0xcd/0x170 [ 7331.958698][ T10] do_syscall_64+0xc6/0x1e0 [ 7331.958698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7331.958698][ T10] [ 7331.961535][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7331.961978][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7331.961978][ T10] netdev_get_by_index+0x5e/0x80 [ 7331.961978][ T10] fib6_nh_init+0x3d8/0x1580 [ 7331.961978][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7331.961978][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7331.961978][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7331.961978][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7331.961978][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7331.961978][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7331.961978][ T10] addrconf_dad_begin+0x310/0x670 [ 7331.961978][ T10] addrconf_dad_work+0x10b/0xab0 [ 7331.961978][ T10] process_one_work+0x84d/0x18a0 [ 7331.961978][ T10] worker_thread+0x587/0xd30 [ 7331.961978][ T10] kthread+0x28a/0x350 [ 7331.961978][ T10] ret_from_fork+0x31/0x70 [ 7331.961978][ T10] ret_from_fork_asm+0x1a/0x30 [ 7331.961978][ T10] [ 7331.964262][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7331.964262][ T10] netdev_get_by_index+0x5e/0x80 [ 7331.964262][ T10] fib6_nh_init+0x3d8/0x1580 [ 7331.964262][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7331.964262][ T10] ip6_route_add+0x1c/0x140 [ 7331.964262][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7331.964262][ T10] inet6_addr_add+0x4f8/0xa40 [ 7331.964262][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7331.964262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7331.964262][ T10] netlink_rcv_skb+0x130/0x360 [ 7331.964262][ T10] netlink_unicast+0x449/0x710 [ 7331.964262][ T10] netlink_sendmsg+0x723/0xbe0 [ 7331.964262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7331.964262][ T10] ___sys_sendmsg+0xee/0x170 [ 7331.964262][ T10] __sys_sendmsg+0xcd/0x170 [ 7331.964262][ T10] do_syscall_64+0xc6/0x1e0 [ 7331.964262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7331.964262][ T10] [ 7331.966691][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7331.966691][ T10] netdev_get_by_index+0x5e/0x80 [ 7331.966691][ T10] fib6_nh_init+0x3d8/0x1580 [ 7331.966691][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7331.966691][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7331.966691][ T10] ipv6_add_addr+0x411/0x2000 [ 7331.966691][ T10] inet6_addr_add+0x30e/0xa40 [ 7331.966691][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7331.966691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7331.966691][ T10] netlink_rcv_skb+0x130/0x360 [ 7331.966691][ T10] netlink_unicast+0x449/0x710 [ 7331.966691][ T10] netlink_sendmsg+0x723/0xbe0 [ 7331.966691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7331.966691][ T10] ___sys_sendmsg+0xee/0x170 [ 7331.966691][ T10] __sys_sendmsg+0xcd/0x170 [ 7331.966691][ T10] do_syscall_64+0xc6/0x1e0 [ 7331.966691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7331.966691][ T10] [ 7331.969158][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7331.969158][ T10] netdev_get_by_index+0x5e/0x80 [ 7331.969158][ T10] fib6_nh_init+0x3d8/0x1580 [ 7331.969158][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7331.969158][ T10] ip6_route_add+0x1c/0x140 [ 7331.969158][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7331.969158][ T10] addrconf_add_dev+0xe2/0x170 [ 7331.969158][ T10] inet6_addr_add+0x12f/0xa40 [ 7331.969158][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7331.969158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7331.969158][ T10] netlink_rcv_skb+0x130/0x360 [ 7331.969158][ T10] netlink_unicast+0x449/0x710 [ 7331.969158][ T10] netlink_sendmsg+0x723/0xbe0 [ 7331.969158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7331.969158][ T10] ___sys_sendmsg+0xee/0x170 [ 7331.969158][ T10] __sys_sendmsg+0xcd/0x170 [ 7331.969158][ T10] do_syscall_64+0xc6/0x1e0 [ 7331.969158][ T10] [ 7331.971653][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7331.971653][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7331.971653][ T10] ipv6_find_idev+0x102/0x170 [ 7331.971653][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7331.971653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7331.971653][ T10] netlink_rcv_skb+0x130/0x360 [ 7331.971653][ T10] netlink_unicast+0x449/0x710 [ 7331.971653][ T10] netlink_sendmsg+0x723/0xbe0 [ 7331.971653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7331.971653][ T10] ___sys_sendmsg+0xee/0x170 [ 7331.971653][ T10] __sys_sendmsg+0xcd/0x170 [ 7331.971653][ T10] do_syscall_64+0xc6/0x1e0 [ 7331.971653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7331.971653][ T10] [ 7331.974376][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7331.974376][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7331.974376][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7331.974376][ T10] ipv6_find_idev+0x102/0x170 [ 7331.974376][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7331.974376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7331.974376][ T10] netlink_rcv_skb+0x130/0x360 [ 7331.974376][ T10] netlink_unicast+0x449/0x710 [ 7331.974376][ T10] netlink_sendmsg+0x723/0xbe0 [ 7331.974376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7331.974376][ T10] ___sys_sendmsg+0xee/0x170 [ 7331.974376][ T10] __sys_sendmsg+0xcd/0x170 [ 7331.974376][ T10] do_syscall_64+0xc6/0x1e0 [ 7331.974376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7331.974376][ T10] [ 7331.977098][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7331.977384][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7331.977384][ T10] netdev_get_by_index+0x5e/0x80 [ 7331.977384][ T10] fib6_nh_init+0x3d8/0x1580 [ 7331.977384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7331.977384][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7331.977384][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7331.977384][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7331.977384][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7331.977384][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7331.977384][ T10] addrconf_dad_begin+0x310/0x670 [ 7331.977384][ T10] addrconf_dad_work+0x10b/0xab0 [ 7331.977384][ T10] process_one_work+0x84d/0x18a0 [ 7331.977384][ T10] worker_thread+0x587/0xd30 [ 7331.977384][ T10] kthread+0x28a/0x350 [ 7331.977384][ T10] ret_from_fork+0x31/0x70 [ 7331.977384][ T10] ret_from_fork_asm+0x1a/0x30 [ 7331.977384][ T10] [ 7331.980583][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7331.980583][ T10] netdev_get_by_index+0x5e/0x80 [ 7331.980583][ T10] fib6_nh_init+0x3d8/0x1580 [ 7331.980583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7331.980583][ T10] ip6_route_add+0x1c/0x140 [ 7331.980583][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7331.980583][ T10] inet6_addr_add+0x4f8/0xa40 [ 7331.980583][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7331.980583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7331.980583][ T10] netlink_rcv_skb+0x130/0x360 [ 7331.980583][ T10] netlink_unicast+0x449/0x710 [ 7331.980583][ T10] netlink_sendmsg+0x723/0xbe0 [ 7331.980583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7331.980583][ T10] ___sys_sendmsg+0xee/0x170 [ 7331.980583][ T10] __sys_sendmsg+0xcd/0x170 [ 7331.980583][ T10] do_syscall_64+0xc6/0x1e0 [ 7331.980583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7331.980583][ T10] [ 7331.984174][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7331.984174][ T10] netdev_get_by_index+0x5e/0x80 [ 7331.984174][ T10] fib6_nh_init+0x3d8/0x1580 [ 7331.984174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7331.984174][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7331.984174][ T10] ipv6_add_addr+0x411/0x2000 [ 7331.984174][ T10] inet6_addr_add+0x30e/0xa40 [ 7331.984174][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7331.984174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7331.984174][ T10] netlink_rcv_skb+0x130/0x360 [ 7331.984174][ T10] netlink_unicast+0x449/0x710 [ 7331.984174][ T10] netlink_sendmsg+0x723/0xbe0 [ 7331.984174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7331.984174][ T10] ___sys_sendmsg+0xee/0x170 [ 7331.984174][ T10] __sys_sendmsg+0xcd/0x170 [ 7331.984174][ T10] do_syscall_64+0xc6/0x1e0 [ 7331.984174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7331.984174][ T10] [ 7331.987698][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7331.987698][ T10] netdev_get_by_index+0x5e/0x80 [ 7331.987698][ T10] fib6_nh_init+0x3d8/0x1580 [ 7331.987698][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7331.987698][ T10] ip6_route_add+0x1c/0x140 [ 7331.987698][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7331.987698][ T10] addrconf_add_dev+0xe2/0x170 [ 7331.987698][ T10] inet6_addr_add+0x12f/0xa40 [ 7331.987698][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7331.987698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7331.987698][ T10] netlink_rcv_skb+0x130/0x360 [ 7331.987698][ T10] netlink_unicast+0x449/0x710 [ 7331.987698][ T10] netlink_sendmsg+0x723/0xbe0 [ 7331.987698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7331.987698][ T10] ___sys_sendmsg+0xee/0x170 [ 7331.987698][ T10] __sys_sendmsg+0xcd/0x170 [ 7331.987698][ T10] do_syscall_64+0xc6/0x1e0 [ 7331.987698][ T10] [ 7331.990302][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7331.990302][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7331.990302][ T10] ipv6_find_idev+0x102/0x170 [ 7331.990302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7331.990302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7331.990302][ T10] netlink_rcv_skb+0x130/0x360 [ 7331.990302][ T10] netlink_unicast+0x449/0x710 [ 7331.990302][ T10] netlink_sendmsg+0x723/0xbe0 [ 7331.990302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7331.990302][ T10] ___sys_sendmsg+0xee/0x170 [ 7331.990302][ T10] __sys_sendmsg+0xcd/0x170 [ 7331.990302][ T10] do_syscall_64+0xc6/0x1e0 [ 7331.990302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7331.990302][ T10] [ 7331.992131][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7331.992131][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7331.992131][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7331.992131][ T10] ipv6_find_idev+0x102/0x170 [ 7331.992131][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7331.992131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7331.992131][ T10] netlink_rcv_skb+0x130/0x360 [ 7331.992131][ T10] netlink_unicast+0x449/0x710 [ 7331.992131][ T10] netlink_sendmsg+0x723/0xbe0 [ 7331.992131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7331.992131][ T10] ___sys_sendmsg+0xee/0x170 [ 7331.992131][ T10] __sys_sendmsg+0xcd/0x170 [ 7331.992131][ T10] do_syscall_64+0xc6/0x1e0 [ 7331.992131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7331.992131][ T10] [ 7335.873109][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7335.873591][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7335.873591][ T1167] dst_init+0x84/0x4a0 [ 7335.873591][ T1167] dst_alloc+0x97/0x150 [ 7335.873591][ T1167] ip6_dst_alloc+0x23/0x90 [ 7335.873591][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7335.873591][ T1167] ip6_pol_route+0x56f/0x840 [ 7335.873591][ T1167] fib6_rule_lookup+0x334/0x630 [ 7335.873591][ T1167] ip6_route_output_flags+0x259/0x480 [ 7335.873591][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7335.873591][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7335.873591][ T1167] netlink_rcv_skb+0x130/0x360 [ 7335.873591][ T1167] netlink_unicast+0x449/0x710 [ 7335.873591][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7335.873591][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7335.873591][ T1167] ___sys_sendmsg+0xee/0x170 [ 7335.873591][ T1167] __sys_sendmsg+0xcd/0x170 [ 7335.873591][ T1167] do_syscall_64+0xc6/0x1e0 [ 7335.873591][ T1167] [ 7335.875823][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7335.875823][ T1167] netdev_get_by_index+0x5e/0x80 [ 7335.875823][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7335.875823][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7335.875823][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7335.875823][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7335.875823][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7335.875823][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7335.875823][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7335.875823][ T1167] addrconf_dad_begin+0x310/0x670 [ 7335.875823][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7335.875823][ T1167] process_one_work+0x84d/0x18a0 [ 7335.875823][ T1167] worker_thread+0x587/0xd30 [ 7335.875823][ T1167] kthread+0x28a/0x350 [ 7335.875823][ T1167] ret_from_fork+0x31/0x70 [ 7335.875823][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7335.875823][ T1167] [ 7335.878096][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7335.878096][ T1167] netdev_get_by_index+0x5e/0x80 [ 7335.878096][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7335.878096][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7335.878096][ T1167] ip6_route_add+0x1c/0x140 [ 7335.878096][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7335.878096][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7335.878096][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7335.878096][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7335.878096][ T1167] netlink_rcv_skb+0x130/0x360 [ 7335.878096][ T1167] netlink_unicast+0x449/0x710 [ 7335.878096][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7335.878096][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7335.878096][ T1167] ___sys_sendmsg+0xee/0x170 [ 7335.878096][ T1167] __sys_sendmsg+0xcd/0x170 [ 7335.878096][ T1167] do_syscall_64+0xc6/0x1e0 [ 7335.878096][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7335.878096][ T1167] [ 7335.880368][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7335.880368][ T1167] netdev_get_by_index+0x5e/0x80 [ 7335.880368][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7335.880368][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7335.880368][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7335.880368][ T1167] ipv6_add_addr+0x411/0x2000 [ 7335.880368][ T1167] inet6_addr_add+0x30e/0xa40 [ 7335.880368][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7335.880368][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7335.880368][ T1167] netlink_rcv_skb+0x130/0x360 [ 7335.880368][ T1167] netlink_unicast+0x449/0x710 [ 7335.880368][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7335.880368][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7335.880368][ T1167] ___sys_sendmsg+0xee/0x170 [ 7335.880368][ T1167] __sys_sendmsg+0xcd/0x170 [ 7335.880368][ T1167] do_syscall_64+0xc6/0x1e0 [ 7335.880368][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7335.880368][ T1167] [ 7335.882630][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7335.882630][ T1167] netdev_get_by_index+0x5e/0x80 [ 7335.882630][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7335.882630][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7335.882630][ T1167] ip6_route_add+0x1c/0x140 [ 7335.882630][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7335.882630][ T1167] addrconf_add_dev+0xe2/0x170 [ 7335.882630][ T1167] inet6_addr_add+0x12f/0xa40 [ 7335.882630][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7335.882630][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7335.882630][ T1167] netlink_rcv_skb+0x130/0x360 [ 7335.882630][ T1167] netlink_unicast+0x449/0x710 [ 7335.882630][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7335.882630][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7335.882630][ T1167] ___sys_sendmsg+0xee/0x170 [ 7335.882630][ T1167] __sys_sendmsg+0xcd/0x170 [ 7335.882630][ T1167] do_syscall_64+0xc6/0x1e0 [ 7335.882630][ T1167] [ 7335.884853][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7335.884853][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7335.884853][ T1167] ipv6_find_idev+0x102/0x170 [ 7335.884853][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7335.884853][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7335.884853][ T1167] netlink_rcv_skb+0x130/0x360 [ 7335.884853][ T1167] netlink_unicast+0x449/0x710 [ 7335.884853][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7335.884853][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7335.884853][ T1167] ___sys_sendmsg+0xee/0x170 [ 7335.884853][ T1167] __sys_sendmsg+0xcd/0x170 [ 7335.884853][ T1167] do_syscall_64+0xc6/0x1e0 [ 7335.884853][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7335.884853][ T1167] [ 7335.886595][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7335.886595][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7335.886595][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7335.886595][ T1167] ipv6_find_idev+0x102/0x170 [ 7335.886595][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7335.886595][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7335.886595][ T1167] netlink_rcv_skb+0x130/0x360 [ 7335.886595][ T1167] netlink_unicast+0x449/0x710 [ 7335.886595][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7335.886595][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7335.886595][ T1167] ___sys_sendmsg+0xee/0x170 [ 7335.886595][ T1167] __sys_sendmsg+0xcd/0x170 [ 7335.886595][ T1167] do_syscall_64+0xc6/0x1e0 [ 7335.886595][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7335.886595][ T1167] [ 7342.017040][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7342.017539][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7342.017539][ T10] netdev_get_by_index+0x5e/0x80 [ 7342.017539][ T10] fib6_nh_init+0x3d8/0x1580 [ 7342.017539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7342.017539][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7342.017539][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7342.017539][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7342.017539][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7342.017539][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7342.017539][ T10] addrconf_dad_begin+0x310/0x670 [ 7342.017539][ T10] addrconf_dad_work+0x10b/0xab0 [ 7342.017539][ T10] process_one_work+0x84d/0x18a0 [ 7342.017539][ T10] worker_thread+0x587/0xd30 [ 7342.017539][ T10] kthread+0x28a/0x350 [ 7342.017539][ T10] ret_from_fork+0x31/0x70 [ 7342.017539][ T10] ret_from_fork_asm+0x1a/0x30 [ 7342.017539][ T10] [ 7342.019739][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7342.019739][ T10] netdev_get_by_index+0x5e/0x80 [ 7342.019739][ T10] fib6_nh_init+0x3d8/0x1580 [ 7342.019739][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7342.019739][ T10] ip6_route_add+0x1c/0x140 [ 7342.019739][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7342.019739][ T10] inet6_addr_add+0x4f8/0xa40 [ 7342.019739][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7342.019739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7342.019739][ T10] netlink_rcv_skb+0x130/0x360 [ 7342.019739][ T10] netlink_unicast+0x449/0x710 [ 7342.019739][ T10] netlink_sendmsg+0x723/0xbe0 [ 7342.019739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7342.019739][ T10] ___sys_sendmsg+0xee/0x170 [ 7342.019739][ T10] __sys_sendmsg+0xcd/0x170 [ 7342.019739][ T10] do_syscall_64+0xc6/0x1e0 [ 7342.019739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7342.019739][ T10] [ 7342.022027][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7342.022027][ T10] netdev_get_by_index+0x5e/0x80 [ 7342.022027][ T10] fib6_nh_init+0x3d8/0x1580 [ 7342.022027][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7342.022027][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7342.022027][ T10] ipv6_add_addr+0x411/0x2000 [ 7342.022027][ T10] inet6_addr_add+0x30e/0xa40 [ 7342.022027][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7342.022027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7342.022027][ T10] netlink_rcv_skb+0x130/0x360 [ 7342.022027][ T10] netlink_unicast+0x449/0x710 [ 7342.022027][ T10] netlink_sendmsg+0x723/0xbe0 [ 7342.022027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7342.022027][ T10] ___sys_sendmsg+0xee/0x170 [ 7342.022027][ T10] __sys_sendmsg+0xcd/0x170 [ 7342.022027][ T10] do_syscall_64+0xc6/0x1e0 [ 7342.022027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7342.022027][ T10] [ 7342.024327][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7342.024327][ T10] netdev_get_by_index+0x5e/0x80 [ 7342.024327][ T10] fib6_nh_init+0x3d8/0x1580 [ 7342.024327][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7342.024327][ T10] ip6_route_add+0x1c/0x140 [ 7342.024327][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7342.024327][ T10] addrconf_add_dev+0xe2/0x170 [ 7342.024327][ T10] inet6_addr_add+0x12f/0xa40 [ 7342.024327][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7342.024327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7342.024327][ T10] netlink_rcv_skb+0x130/0x360 [ 7342.024327][ T10] netlink_unicast+0x449/0x710 [ 7342.024327][ T10] netlink_sendmsg+0x723/0xbe0 [ 7342.024327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7342.024327][ T10] ___sys_sendmsg+0xee/0x170 [ 7342.024327][ T10] __sys_sendmsg+0xcd/0x170 [ 7342.024327][ T10] do_syscall_64+0xc6/0x1e0 [ 7342.024327][ T10] [ 7342.026578][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7342.026578][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7342.026578][ T10] ipv6_find_idev+0x102/0x170 [ 7342.026578][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7342.026578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7342.026578][ T10] netlink_rcv_skb+0x130/0x360 [ 7342.026578][ T10] netlink_unicast+0x449/0x710 [ 7342.026578][ T10] netlink_sendmsg+0x723/0xbe0 [ 7342.026578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7342.026578][ T10] ___sys_sendmsg+0xee/0x170 [ 7342.026578][ T10] __sys_sendmsg+0xcd/0x170 [ 7342.026578][ T10] do_syscall_64+0xc6/0x1e0 [ 7342.026578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7342.026578][ T10] [ 7342.028331][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7342.028331][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7342.028331][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7342.028331][ T10] ipv6_find_idev+0x102/0x170 [ 7342.028331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7342.028331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7342.028331][ T10] netlink_rcv_skb+0x130/0x360 [ 7342.028331][ T10] netlink_unicast+0x449/0x710 [ 7342.028331][ T10] netlink_sendmsg+0x723/0xbe0 [ 7342.028331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7342.028331][ T10] ___sys_sendmsg+0xee/0x170 [ 7342.028331][ T10] __sys_sendmsg+0xcd/0x170 [ 7342.028331][ T10] do_syscall_64+0xc6/0x1e0 [ 7342.028331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7342.028331][ T10] [ 7342.030272][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7342.030550][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7342.030550][ T10] netdev_get_by_index+0x5e/0x80 [ 7342.030550][ T10] fib6_nh_init+0x3d8/0x1580 [ 7342.030550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7342.030550][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7342.030550][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7342.030550][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7342.030550][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7342.030550][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7342.030550][ T10] addrconf_dad_begin+0x310/0x670 [ 7342.030550][ T10] addrconf_dad_work+0x10b/0xab0 [ 7342.030550][ T10] process_one_work+0x84d/0x18a0 [ 7342.030550][ T10] worker_thread+0x587/0xd30 [ 7342.030550][ T10] kthread+0x28a/0x350 [ 7342.030550][ T10] ret_from_fork+0x31/0x70 [ 7342.030550][ T10] ret_from_fork_asm+0x1a/0x30 [ 7342.030550][ T10] [ 7342.033283][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7342.033283][ T10] netdev_get_by_index+0x5e/0x80 [ 7342.033283][ T10] fib6_nh_init+0x3d8/0x1580 [ 7342.033283][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7342.033283][ T10] ip6_route_add+0x1c/0x140 [ 7342.033283][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7342.033283][ T10] inet6_addr_add+0x4f8/0xa40 [ 7342.033283][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7342.033283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7342.033283][ T10] netlink_rcv_skb+0x130/0x360 [ 7342.033283][ T10] netlink_unicast+0x449/0x710 [ 7342.033283][ T10] netlink_sendmsg+0x723/0xbe0 [ 7342.033283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7342.033283][ T10] ___sys_sendmsg+0xee/0x170 [ 7342.033283][ T10] __sys_sendmsg+0xcd/0x170 [ 7342.033283][ T10] do_syscall_64+0xc6/0x1e0 [ 7342.033283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7342.033283][ T10] [ 7342.035577][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7342.035577][ T10] netdev_get_by_index+0x5e/0x80 [ 7342.035577][ T10] fib6_nh_init+0x3d8/0x1580 [ 7342.035577][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7342.035577][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7342.035577][ T10] ipv6_add_addr+0x411/0x2000 [ 7342.035577][ T10] inet6_addr_add+0x30e/0xa40 [ 7342.035577][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7342.035577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7342.035577][ T10] netlink_rcv_skb+0x130/0x360 [ 7342.035577][ T10] netlink_unicast+0x449/0x710 [ 7342.035577][ T10] netlink_sendmsg+0x723/0xbe0 [ 7342.035577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7342.035577][ T10] ___sys_sendmsg+0xee/0x170 [ 7342.035577][ T10] __sys_sendmsg+0xcd/0x170 [ 7342.035577][ T10] do_syscall_64+0xc6/0x1e0 [ 7342.035577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7342.035577][ T10] [ 7342.037843][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7342.037843][ T10] netdev_get_by_index+0x5e/0x80 [ 7342.037843][ T10] fib6_nh_init+0x3d8/0x1580 [ 7342.037843][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7342.037843][ T10] ip6_route_add+0x1c/0x140 [ 7342.037843][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7342.037843][ T10] addrconf_add_dev+0xe2/0x170 [ 7342.037843][ T10] inet6_addr_add+0x12f/0xa40 [ 7342.037843][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7342.037843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7342.037843][ T10] netlink_rcv_skb+0x130/0x360 [ 7342.037843][ T10] netlink_unicast+0x449/0x710 [ 7342.037843][ T10] netlink_sendmsg+0x723/0xbe0 [ 7342.037843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7342.037843][ T10] ___sys_sendmsg+0xee/0x170 [ 7342.037843][ T10] __sys_sendmsg+0xcd/0x170 [ 7342.037843][ T10] do_syscall_64+0xc6/0x1e0 [ 7342.037843][ T10] [ 7342.040088][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7342.040088][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7342.040088][ T10] ipv6_find_idev+0x102/0x170 [ 7342.040088][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7342.040088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7342.040088][ T10] netlink_rcv_skb+0x130/0x360 [ 7342.040088][ T10] netlink_unicast+0x449/0x710 [ 7342.040088][ T10] netlink_sendmsg+0x723/0xbe0 [ 7342.040088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7342.040088][ T10] ___sys_sendmsg+0xee/0x170 [ 7342.040088][ T10] __sys_sendmsg+0xcd/0x170 [ 7342.040088][ T10] do_syscall_64+0xc6/0x1e0 [ 7342.040088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7342.040088][ T10] [ 7342.041832][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7342.041832][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7342.041832][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7342.041832][ T10] ipv6_find_idev+0x102/0x170 [ 7342.041832][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7342.041832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7342.041832][ T10] netlink_rcv_skb+0x130/0x360 [ 7342.041832][ T10] netlink_unicast+0x449/0x710 [ 7342.041832][ T10] netlink_sendmsg+0x723/0xbe0 [ 7342.041832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7342.041832][ T10] ___sys_sendmsg+0xee/0x170 [ 7342.041832][ T10] __sys_sendmsg+0xcd/0x170 [ 7342.041832][ T10] do_syscall_64+0xc6/0x1e0 [ 7342.041832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7342.041832][ T10] [ 7342.043748][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7342.044024][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7342.044024][ T10] netdev_get_by_index+0x5e/0x80 [ 7342.044024][ T10] fib6_nh_init+0x3d8/0x1580 [ 7342.044024][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7342.044024][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7342.044024][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7342.044024][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7342.044024][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7342.044024][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7342.044024][ T10] addrconf_dad_begin+0x310/0x670 [ 7342.044024][ T10] addrconf_dad_work+0x10b/0xab0 [ 7342.044024][ T10] process_one_work+0x84d/0x18a0 [ 7342.044024][ T10] worker_thread+0x587/0xd30 [ 7342.044024][ T10] kthread+0x28a/0x350 [ 7342.044024][ T10] ret_from_fork+0x31/0x70 [ 7342.044024][ T10] ret_from_fork_asm+0x1a/0x30 [ 7342.044024][ T10] [ 7342.046188][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7342.046188][ T10] netdev_get_by_index+0x5e/0x80 [ 7342.046188][ T10] fib6_nh_init+0x3d8/0x1580 [ 7342.046188][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7342.046188][ T10] ip6_route_add+0x1c/0x140 [ 7342.046188][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7342.046188][ T10] inet6_addr_add+0x4f8/0xa40 [ 7342.046188][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7342.046188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7342.046188][ T10] netlink_rcv_skb+0x130/0x360 [ 7342.046188][ T10] netlink_unicast+0x449/0x710 [ 7342.046188][ T10] netlink_sendmsg+0x723/0xbe0 [ 7342.046188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7342.046188][ T10] ___sys_sendmsg+0xee/0x170 [ 7342.046188][ T10] __sys_sendmsg+0xcd/0x170 [ 7342.046188][ T10] do_syscall_64+0xc6/0x1e0 [ 7342.046188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7342.046188][ T10] [ 7342.048613][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7342.048613][ T10] netdev_get_by_index+0x5e/0x80 [ 7342.048613][ T10] fib6_nh_init+0x3d8/0x1580 [ 7342.048613][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7342.048613][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7342.048613][ T10] ipv6_add_addr+0x411/0x2000 [ 7342.048613][ T10] inet6_addr_add+0x30e/0xa40 [ 7342.048613][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7342.048613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7342.048613][ T10] netlink_rcv_skb+0x130/0x360 [ 7342.048613][ T10] netlink_unicast+0x449/0x710 [ 7342.048613][ T10] netlink_sendmsg+0x723/0xbe0 [ 7342.048613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7342.048613][ T10] ___sys_sendmsg+0xee/0x170 [ 7342.048613][ T10] __sys_sendmsg+0xcd/0x170 [ 7342.048613][ T10] do_syscall_64+0xc6/0x1e0 [ 7342.048613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7342.048613][ T10] [ 7342.051023][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7342.051023][ T10] netdev_get_by_index+0x5e/0x80 [ 7342.051023][ T10] fib6_nh_init+0x3d8/0x1580 [ 7342.051023][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7342.051023][ T10] ip6_route_add+0x1c/0x140 [ 7342.051023][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7342.051023][ T10] addrconf_add_dev+0xe2/0x170 [ 7342.051023][ T10] inet6_addr_add+0x12f/0xa40 [ 7342.051023][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7342.051023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7342.051023][ T10] netlink_rcv_skb+0x130/0x360 [ 7342.051023][ T10] netlink_unicast+0x449/0x710 [ 7342.051023][ T10] netlink_sendmsg+0x723/0xbe0 [ 7342.051023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7342.051023][ T10] ___sys_sendmsg+0xee/0x170 [ 7342.051023][ T10] __sys_sendmsg+0xcd/0x170 [ 7342.051023][ T10] do_syscall_64+0xc6/0x1e0 [ 7342.051023][ T10] [ 7342.053385][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7342.053385][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7342.053385][ T10] ipv6_find_idev+0x102/0x170 [ 7342.053385][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7342.053385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7342.053385][ T10] netlink_rcv_skb+0x130/0x360 [ 7342.053385][ T10] netlink_unicast+0x449/0x710 [ 7342.053385][ T10] netlink_sendmsg+0x723/0xbe0 [ 7342.053385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7342.053385][ T10] ___sys_sendmsg+0xee/0x170 [ 7342.053385][ T10] __sys_sendmsg+0xcd/0x170 [ 7342.053385][ T10] do_syscall_64+0xc6/0x1e0 [ 7342.053385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7342.053385][ T10] [ 7342.055282][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7342.055282][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7342.055282][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7342.055282][ T10] ipv6_find_idev+0x102/0x170 [ 7342.055282][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7342.055282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7342.055282][ T10] netlink_rcv_skb+0x130/0x360 [ 7342.055282][ T10] netlink_unicast+0x449/0x710 [ 7342.055282][ T10] netlink_sendmsg+0x723/0xbe0 [ 7342.055282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7342.055282][ T10] ___sys_sendmsg+0xee/0x170 [ 7342.055282][ T10] __sys_sendmsg+0xcd/0x170 [ 7342.055282][ T10] do_syscall_64+0xc6/0x1e0 [ 7342.055282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7342.055282][ T10] [ 7342.057260][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7342.057527][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7342.057527][ T10] netdev_get_by_index+0x5e/0x80 [ 7342.057527][ T10] fib6_nh_init+0x3d8/0x1580 [ 7342.057527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7342.057527][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7342.057527][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7342.057527][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7342.057527][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7342.057527][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7342.057527][ T10] addrconf_dad_begin+0x310/0x670 [ 7342.057527][ T10] addrconf_dad_work+0x10b/0xab0 [ 7342.057527][ T10] process_one_work+0x84d/0x18a0 [ 7342.057527][ T10] worker_thread+0x587/0xd30 [ 7342.057527][ T10] kthread+0x28a/0x350 [ 7342.057527][ T10] ret_from_fork+0x31/0x70 [ 7342.057527][ T10] ret_from_fork_asm+0x1a/0x30 [ 7342.057527][ T10] [ 7342.059858][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7342.059858][ T10] netdev_get_by_index+0x5e/0x80 [ 7342.059858][ T10] fib6_nh_init+0x3d8/0x1580 [ 7342.059858][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7342.059858][ T10] ip6_route_add+0x1c/0x140 [ 7342.059858][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7342.059858][ T10] inet6_addr_add+0x4f8/0xa40 [ 7342.059858][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7342.059858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7342.059858][ T10] netlink_rcv_skb+0x130/0x360 [ 7342.059858][ T10] netlink_unicast+0x449/0x710 [ 7342.059858][ T10] netlink_sendmsg+0x723/0xbe0 [ 7342.059858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7342.059858][ T10] ___sys_sendmsg+0xee/0x170 [ 7342.059858][ T10] __sys_sendmsg+0xcd/0x170 [ 7342.059858][ T10] do_syscall_64+0xc6/0x1e0 [ 7342.059858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7342.059858][ T10] [ 7342.062285][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7342.062285][ T10] netdev_get_by_index+0x5e/0x80 [ 7342.062285][ T10] fib6_nh_init+0x3d8/0x1580 [ 7342.062285][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7342.062285][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7342.062285][ T10] ipv6_add_addr+0x411/0x2000 [ 7342.062285][ T10] inet6_addr_add+0x30e/0xa40 [ 7342.062285][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7342.062285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7342.062285][ T10] netlink_rcv_skb+0x130/0x360 [ 7342.062285][ T10] netlink_unicast+0x449/0x710 [ 7342.062285][ T10] netlink_sendmsg+0x723/0xbe0 [ 7342.062285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7342.062285][ T10] ___sys_sendmsg+0xee/0x170 [ 7342.062285][ T10] __sys_sendmsg+0xcd/0x170 [ 7342.062285][ T10] do_syscall_64+0xc6/0x1e0 [ 7342.062285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7342.062285][ T10] [ 7342.064710][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7342.064710][ T10] netdev_get_by_index+0x5e/0x80 [ 7342.064710][ T10] fib6_nh_init+0x3d8/0x1580 [ 7342.064710][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7342.064710][ T10] ip6_route_add+0x1c/0x140 [ 7342.064710][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7342.064710][ T10] addrconf_add_dev+0xe2/0x170 [ 7342.064710][ T10] inet6_addr_add+0x12f/0xa40 [ 7342.064710][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7342.064710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7342.064710][ T10] netlink_rcv_skb+0x130/0x360 [ 7342.064710][ T10] netlink_unicast+0x449/0x710 [ 7342.064710][ T10] netlink_sendmsg+0x723/0xbe0 [ 7342.064710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7342.064710][ T10] ___sys_sendmsg+0xee/0x170 [ 7342.064710][ T10] __sys_sendmsg+0xcd/0x170 [ 7342.064710][ T10] do_syscall_64+0xc6/0x1e0 [ 7342.064710][ T10] [ 7342.067092][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7342.067092][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7342.067092][ T10] ipv6_find_idev+0x102/0x170 [ 7342.067092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7342.067092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7342.067092][ T10] netlink_rcv_skb+0x130/0x360 [ 7342.067092][ T10] netlink_unicast+0x449/0x710 [ 7342.067092][ T10] netlink_sendmsg+0x723/0xbe0 [ 7342.067092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7342.067092][ T10] ___sys_sendmsg+0xee/0x170 [ 7342.067092][ T10] __sys_sendmsg+0xcd/0x170 [ 7342.067092][ T10] do_syscall_64+0xc6/0x1e0 [ 7342.067092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7342.067092][ T10] [ 7342.068912][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7342.068912][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7342.068912][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7342.068912][ T10] ipv6_find_idev+0x102/0x170 [ 7342.068912][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7342.068912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7342.068912][ T10] netlink_rcv_skb+0x130/0x360 [ 7342.068912][ T10] netlink_unicast+0x449/0x710 [ 7342.068912][ T10] netlink_sendmsg+0x723/0xbe0 [ 7342.068912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7342.068912][ T10] ___sys_sendmsg+0xee/0x170 [ 7342.068912][ T10] __sys_sendmsg+0xcd/0x170 [ 7342.068912][ T10] do_syscall_64+0xc6/0x1e0 [ 7342.068912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7342.068912][ T10] [ 7346.137128][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7346.137623][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7346.137623][ T1167] dst_init+0x84/0x4a0 [ 7346.137623][ T1167] dst_alloc+0x97/0x150 [ 7346.137623][ T1167] ip6_dst_alloc+0x23/0x90 [ 7346.137623][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7346.137623][ T1167] ip6_pol_route+0x56f/0x840 [ 7346.137623][ T1167] fib6_rule_lookup+0x334/0x630 [ 7346.137623][ T1167] ip6_route_output_flags+0x259/0x480 [ 7346.137623][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7346.137623][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7346.137623][ T1167] netlink_rcv_skb+0x130/0x360 [ 7346.137623][ T1167] netlink_unicast+0x449/0x710 [ 7346.137623][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7346.137623][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7346.137623][ T1167] ___sys_sendmsg+0xee/0x170 [ 7346.137623][ T1167] __sys_sendmsg+0xcd/0x170 [ 7346.137623][ T1167] do_syscall_64+0xc6/0x1e0 [ 7346.137623][ T1167] [ 7346.139851][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7346.139851][ T1167] netdev_get_by_index+0x5e/0x80 [ 7346.139851][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7346.139851][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7346.139851][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7346.139851][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7346.139851][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7346.139851][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7346.139851][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7346.139851][ T1167] addrconf_dad_begin+0x310/0x670 [ 7346.139851][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7346.139851][ T1167] process_one_work+0x84d/0x18a0 [ 7346.139851][ T1167] worker_thread+0x587/0xd30 [ 7346.139851][ T1167] kthread+0x28a/0x350 [ 7346.139851][ T1167] ret_from_fork+0x31/0x70 [ 7346.139851][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7346.139851][ T1167] [ 7346.142017][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7346.142017][ T1167] netdev_get_by_index+0x5e/0x80 [ 7346.142017][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7346.142017][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7346.142017][ T1167] ip6_route_add+0x1c/0x140 [ 7346.142017][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7346.142017][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7346.142017][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7346.142017][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7346.142017][ T1167] netlink_rcv_skb+0x130/0x360 [ 7346.142017][ T1167] netlink_unicast+0x449/0x710 [ 7346.142017][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7346.142017][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7346.142017][ T1167] ___sys_sendmsg+0xee/0x170 [ 7346.142017][ T1167] __sys_sendmsg+0xcd/0x170 [ 7346.142017][ T1167] do_syscall_64+0xc6/0x1e0 [ 7346.142017][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7346.142017][ T1167] [ 7346.144295][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7346.144295][ T1167] netdev_get_by_index+0x5e/0x80 [ 7346.144295][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7346.144295][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7346.144295][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7346.144295][ T1167] ipv6_add_addr+0x411/0x2000 [ 7346.144295][ T1167] inet6_addr_add+0x30e/0xa40 [ 7346.144295][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7346.144295][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7346.144295][ T1167] netlink_rcv_skb+0x130/0x360 [ 7346.144295][ T1167] netlink_unicast+0x449/0x710 [ 7346.144295][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7346.144295][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7346.144295][ T1167] ___sys_sendmsg+0xee/0x170 [ 7346.144295][ T1167] __sys_sendmsg+0xcd/0x170 [ 7346.144295][ T1167] do_syscall_64+0xc6/0x1e0 [ 7346.144295][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7346.144295][ T1167] [ 7346.146542][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7346.146542][ T1167] netdev_get_by_index+0x5e/0x80 [ 7346.146542][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7346.146542][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7346.146542][ T1167] ip6_route_add+0x1c/0x140 [ 7346.146542][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7346.146542][ T1167] addrconf_add_dev+0xe2/0x170 [ 7346.146542][ T1167] inet6_addr_add+0x12f/0xa40 [ 7346.146542][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7346.146542][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7346.146542][ T1167] netlink_rcv_skb+0x130/0x360 [ 7346.146542][ T1167] netlink_unicast+0x449/0x710 [ 7346.146542][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7346.146542][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7346.146542][ T1167] ___sys_sendmsg+0xee/0x170 [ 7346.146542][ T1167] __sys_sendmsg+0xcd/0x170 [ 7346.146542][ T1167] do_syscall_64+0xc6/0x1e0 [ 7346.146542][ T1167] [ 7346.148751][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7346.148751][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7346.148751][ T1167] ipv6_find_idev+0x102/0x170 [ 7346.148751][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7346.148751][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7346.148751][ T1167] netlink_rcv_skb+0x130/0x360 [ 7346.148751][ T1167] netlink_unicast+0x449/0x710 [ 7346.148751][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7346.148751][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7346.148751][ T1167] ___sys_sendmsg+0xee/0x170 [ 7346.148751][ T1167] __sys_sendmsg+0xcd/0x170 [ 7346.148751][ T1167] do_syscall_64+0xc6/0x1e0 [ 7346.148751][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7346.148751][ T1167] [ 7346.150495][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7346.150495][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7346.150495][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7346.150495][ T1167] ipv6_find_idev+0x102/0x170 [ 7346.150495][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7346.150495][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7346.150495][ T1167] netlink_rcv_skb+0x130/0x360 [ 7346.150495][ T1167] netlink_unicast+0x449/0x710 [ 7346.150495][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7346.150495][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7346.150495][ T1167] ___sys_sendmsg+0xee/0x170 [ 7346.150495][ T1167] __sys_sendmsg+0xcd/0x170 [ 7346.150495][ T1167] do_syscall_64+0xc6/0x1e0 [ 7346.150495][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7346.150495][ T1167] [ 7352.321062][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7352.321550][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7352.321550][ T10] netdev_get_by_index+0x5e/0x80 [ 7352.321550][ T10] fib6_nh_init+0x3d8/0x1580 [ 7352.321550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7352.321550][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7352.321550][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7352.321550][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7352.321550][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7352.321550][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7352.321550][ T10] addrconf_dad_begin+0x310/0x670 [ 7352.321550][ T10] addrconf_dad_work+0x10b/0xab0 [ 7352.321550][ T10] process_one_work+0x84d/0x18a0 [ 7352.321550][ T10] worker_thread+0x587/0xd30 [ 7352.321550][ T10] kthread+0x28a/0x350 [ 7352.321550][ T10] ret_from_fork+0x31/0x70 [ 7352.321550][ T10] ret_from_fork_asm+0x1a/0x30 [ 7352.321550][ T10] [ 7352.323772][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7352.323772][ T10] netdev_get_by_index+0x5e/0x80 [ 7352.323772][ T10] fib6_nh_init+0x3d8/0x1580 [ 7352.323772][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7352.323772][ T10] ip6_route_add+0x1c/0x140 [ 7352.323772][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7352.323772][ T10] inet6_addr_add+0x4f8/0xa40 [ 7352.323772][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7352.323772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7352.323772][ T10] netlink_rcv_skb+0x130/0x360 [ 7352.323772][ T10] netlink_unicast+0x449/0x710 [ 7352.323772][ T10] netlink_sendmsg+0x723/0xbe0 [ 7352.323772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7352.323772][ T10] ___sys_sendmsg+0xee/0x170 [ 7352.323772][ T10] __sys_sendmsg+0xcd/0x170 [ 7352.323772][ T10] do_syscall_64+0xc6/0x1e0 [ 7352.323772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7352.323772][ T10] [ 7352.326021][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7352.326021][ T10] netdev_get_by_index+0x5e/0x80 [ 7352.326021][ T10] fib6_nh_init+0x3d8/0x1580 [ 7352.326021][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7352.326021][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7352.326021][ T10] ipv6_add_addr+0x411/0x2000 [ 7352.326021][ T10] inet6_addr_add+0x30e/0xa40 [ 7352.326021][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7352.326021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7352.326021][ T10] netlink_rcv_skb+0x130/0x360 [ 7352.326021][ T10] netlink_unicast+0x449/0x710 [ 7352.326021][ T10] netlink_sendmsg+0x723/0xbe0 [ 7352.326021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7352.326021][ T10] ___sys_sendmsg+0xee/0x170 [ 7352.326021][ T10] __sys_sendmsg+0xcd/0x170 [ 7352.326021][ T10] do_syscall_64+0xc6/0x1e0 [ 7352.326021][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7352.326021][ T10] [ 7352.328292][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7352.328292][ T10] netdev_get_by_index+0x5e/0x80 [ 7352.328292][ T10] fib6_nh_init+0x3d8/0x1580 [ 7352.328292][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7352.328292][ T10] ip6_route_add+0x1c/0x140 [ 7352.328292][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7352.328292][ T10] addrconf_add_dev+0xe2/0x170 [ 7352.328292][ T10] inet6_addr_add+0x12f/0xa40 [ 7352.328292][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7352.328292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7352.328292][ T10] netlink_rcv_skb+0x130/0x360 [ 7352.328292][ T10] netlink_unicast+0x449/0x710 [ 7352.328292][ T10] netlink_sendmsg+0x723/0xbe0 [ 7352.328292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7352.328292][ T10] ___sys_sendmsg+0xee/0x170 [ 7352.328292][ T10] __sys_sendmsg+0xcd/0x170 [ 7352.328292][ T10] do_syscall_64+0xc6/0x1e0 [ 7352.328292][ T10] [ 7352.330528][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7352.330528][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7352.330528][ T10] ipv6_find_idev+0x102/0x170 [ 7352.330528][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7352.330528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7352.330528][ T10] netlink_rcv_skb+0x130/0x360 [ 7352.330528][ T10] netlink_unicast+0x449/0x710 [ 7352.330528][ T10] netlink_sendmsg+0x723/0xbe0 [ 7352.330528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7352.330528][ T10] ___sys_sendmsg+0xee/0x170 [ 7352.330528][ T10] __sys_sendmsg+0xcd/0x170 [ 7352.330528][ T10] do_syscall_64+0xc6/0x1e0 [ 7352.330528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7352.330528][ T10] [ 7352.332274][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7352.332274][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7352.332274][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7352.332274][ T10] ipv6_find_idev+0x102/0x170 [ 7352.332274][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7352.332274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7352.332274][ T10] netlink_rcv_skb+0x130/0x360 [ 7352.332274][ T10] netlink_unicast+0x449/0x710 [ 7352.332274][ T10] netlink_sendmsg+0x723/0xbe0 [ 7352.332274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7352.332274][ T10] ___sys_sendmsg+0xee/0x170 [ 7352.332274][ T10] __sys_sendmsg+0xcd/0x170 [ 7352.332274][ T10] do_syscall_64+0xc6/0x1e0 [ 7352.332274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7352.332274][ T10] [ 7352.334238][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7352.334506][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7352.334506][ T10] netdev_get_by_index+0x5e/0x80 [ 7352.334506][ T10] fib6_nh_init+0x3d8/0x1580 [ 7352.334506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7352.334506][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7352.334506][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7352.334506][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7352.334506][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7352.334506][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7352.334506][ T10] addrconf_dad_begin+0x310/0x670 [ 7352.334506][ T10] addrconf_dad_work+0x10b/0xab0 [ 7352.334506][ T10] process_one_work+0x84d/0x18a0 [ 7352.334506][ T10] worker_thread+0x587/0xd30 [ 7352.334506][ T10] kthread+0x28a/0x350 [ 7352.334506][ T10] ret_from_fork+0x31/0x70 [ 7352.334506][ T10] ret_from_fork_asm+0x1a/0x30 [ 7352.334506][ T10] [ 7352.336677][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7352.336677][ T10] netdev_get_by_index+0x5e/0x80 [ 7352.336677][ T10] fib6_nh_init+0x3d8/0x1580 [ 7352.336677][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7352.336677][ T10] ip6_route_add+0x1c/0x140 [ 7352.336677][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7352.336677][ T10] inet6_addr_add+0x4f8/0xa40 [ 7352.336677][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7352.336677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7352.336677][ T10] netlink_rcv_skb+0x130/0x360 [ 7352.336677][ T10] netlink_unicast+0x449/0x710 [ 7352.336677][ T10] netlink_sendmsg+0x723/0xbe0 [ 7352.336677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7352.336677][ T10] ___sys_sendmsg+0xee/0x170 [ 7352.336677][ T10] __sys_sendmsg+0xcd/0x170 [ 7352.336677][ T10] do_syscall_64+0xc6/0x1e0 [ 7352.336677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7352.336677][ T10] [ 7352.338939][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7352.338939][ T10] netdev_get_by_index+0x5e/0x80 [ 7352.338939][ T10] fib6_nh_init+0x3d8/0x1580 [ 7352.338939][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7352.338939][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7352.338939][ T10] ipv6_add_addr+0x411/0x2000 [ 7352.338939][ T10] inet6_addr_add+0x30e/0xa40 [ 7352.338939][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7352.338939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7352.338939][ T10] netlink_rcv_skb+0x130/0x360 [ 7352.338939][ T10] netlink_unicast+0x449/0x710 [ 7352.338939][ T10] netlink_sendmsg+0x723/0xbe0 [ 7352.338939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7352.338939][ T10] ___sys_sendmsg+0xee/0x170 [ 7352.338939][ T10] __sys_sendmsg+0xcd/0x170 [ 7352.338939][ T10] do_syscall_64+0xc6/0x1e0 [ 7352.338939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7352.338939][ T10] [ 7352.341207][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7352.341207][ T10] netdev_get_by_index+0x5e/0x80 [ 7352.341207][ T10] fib6_nh_init+0x3d8/0x1580 [ 7352.341207][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7352.341207][ T10] ip6_route_add+0x1c/0x140 [ 7352.341207][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7352.341207][ T10] addrconf_add_dev+0xe2/0x170 [ 7352.341207][ T10] inet6_addr_add+0x12f/0xa40 [ 7352.341207][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7352.341207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7352.341207][ T10] netlink_rcv_skb+0x130/0x360 [ 7352.341207][ T10] netlink_unicast+0x449/0x710 [ 7352.341207][ T10] netlink_sendmsg+0x723/0xbe0 [ 7352.341207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7352.341207][ T10] ___sys_sendmsg+0xee/0x170 [ 7352.341207][ T10] __sys_sendmsg+0xcd/0x170 [ 7352.341207][ T10] do_syscall_64+0xc6/0x1e0 [ 7352.341207][ T10] [ 7352.343439][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7352.343439][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7352.343439][ T10] ipv6_find_idev+0x102/0x170 [ 7352.343439][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7352.343439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7352.343439][ T10] netlink_rcv_skb+0x130/0x360 [ 7352.343439][ T10] netlink_unicast+0x449/0x710 [ 7352.343439][ T10] netlink_sendmsg+0x723/0xbe0 [ 7352.343439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7352.343439][ T10] ___sys_sendmsg+0xee/0x170 [ 7352.343439][ T10] __sys_sendmsg+0xcd/0x170 [ 7352.343439][ T10] do_syscall_64+0xc6/0x1e0 [ 7352.343439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7352.343439][ T10] [ 7352.345205][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7352.345205][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7352.345205][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7352.345205][ T10] ipv6_find_idev+0x102/0x170 [ 7352.345205][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7352.345205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7352.345205][ T10] netlink_rcv_skb+0x130/0x360 [ 7352.345205][ T10] netlink_unicast+0x449/0x710 [ 7352.345205][ T10] netlink_sendmsg+0x723/0xbe0 [ 7352.345205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7352.345205][ T10] ___sys_sendmsg+0xee/0x170 [ 7352.345205][ T10] __sys_sendmsg+0xcd/0x170 [ 7352.345205][ T10] do_syscall_64+0xc6/0x1e0 [ 7352.345205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7352.345205][ T10] [ 7352.347141][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7352.347425][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7352.347425][ T10] netdev_get_by_index+0x5e/0x80 [ 7352.347425][ T10] fib6_nh_init+0x3d8/0x1580 [ 7352.347425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7352.347425][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7352.347425][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7352.347425][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7352.347425][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7352.347425][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7352.347425][ T10] addrconf_dad_begin+0x310/0x670 [ 7352.347425][ T10] addrconf_dad_work+0x10b/0xab0 [ 7352.347425][ T10] process_one_work+0x84d/0x18a0 [ 7352.347425][ T10] worker_thread+0x587/0xd30 [ 7352.347425][ T10] kthread+0x28a/0x350 [ 7352.347425][ T10] ret_from_fork+0x31/0x70 [ 7352.347425][ T10] ret_from_fork_asm+0x1a/0x30 [ 7352.347425][ T10] [ 7352.349607][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7352.349607][ T10] netdev_get_by_index+0x5e/0x80 [ 7352.349607][ T10] fib6_nh_init+0x3d8/0x1580 [ 7352.349607][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7352.349607][ T10] ip6_route_add+0x1c/0x140 [ 7352.349607][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7352.349607][ T10] inet6_addr_add+0x4f8/0xa40 [ 7352.349607][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7352.349607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7352.349607][ T10] netlink_rcv_skb+0x130/0x360 [ 7352.349607][ T10] netlink_unicast+0x449/0x710 [ 7352.349607][ T10] netlink_sendmsg+0x723/0xbe0 [ 7352.349607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7352.349607][ T10] ___sys_sendmsg+0xee/0x170 [ 7352.349607][ T10] __sys_sendmsg+0xcd/0x170 [ 7352.349607][ T10] do_syscall_64+0xc6/0x1e0 [ 7352.349607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7352.349607][ T10] [ 7352.352072][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7352.352072][ T10] netdev_get_by_index+0x5e/0x80 [ 7352.352072][ T10] fib6_nh_init+0x3d8/0x1580 [ 7352.352072][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7352.352072][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7352.352072][ T10] ipv6_add_addr+0x411/0x2000 [ 7352.352072][ T10] inet6_addr_add+0x30e/0xa40 [ 7352.352072][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7352.352072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7352.352072][ T10] netlink_rcv_skb+0x130/0x360 [ 7352.352072][ T10] netlink_unicast+0x449/0x710 [ 7352.352072][ T10] netlink_sendmsg+0x723/0xbe0 [ 7352.352072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7352.352072][ T10] ___sys_sendmsg+0xee/0x170 [ 7352.352072][ T10] __sys_sendmsg+0xcd/0x170 [ 7352.352072][ T10] do_syscall_64+0xc6/0x1e0 [ 7352.352072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7352.352072][ T10] [ 7352.354574][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7352.354574][ T10] netdev_get_by_index+0x5e/0x80 [ 7352.354574][ T10] fib6_nh_init+0x3d8/0x1580 [ 7352.354574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7352.354574][ T10] ip6_route_add+0x1c/0x140 [ 7352.354574][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7352.354574][ T10] addrconf_add_dev+0xe2/0x170 [ 7352.354574][ T10] inet6_addr_add+0x12f/0xa40 [ 7352.354574][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7352.354574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7352.354574][ T10] netlink_rcv_skb+0x130/0x360 [ 7352.354574][ T10] netlink_unicast+0x449/0x710 [ 7352.354574][ T10] netlink_sendmsg+0x723/0xbe0 [ 7352.354574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7352.354574][ T10] ___sys_sendmsg+0xee/0x170 [ 7352.354574][ T10] __sys_sendmsg+0xcd/0x170 [ 7352.354574][ T10] do_syscall_64+0xc6/0x1e0 [ 7352.354574][ T10] [ 7352.357095][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7352.357095][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7352.357095][ T10] ipv6_find_idev+0x102/0x170 [ 7352.357095][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7352.357095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7352.357095][ T10] netlink_rcv_skb+0x130/0x360 [ 7352.357095][ T10] netlink_unicast+0x449/0x710 [ 7352.357095][ T10] netlink_sendmsg+0x723/0xbe0 [ 7352.357095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7352.357095][ T10] ___sys_sendmsg+0xee/0x170 [ 7352.357095][ T10] __sys_sendmsg+0xcd/0x170 [ 7352.357095][ T10] do_syscall_64+0xc6/0x1e0 [ 7352.357095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7352.357095][ T10] [ 7352.359042][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7352.359042][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7352.359042][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7352.359042][ T10] ipv6_find_idev+0x102/0x170 [ 7352.359042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7352.359042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7352.359042][ T10] netlink_rcv_skb+0x130/0x360 [ 7352.359042][ T10] netlink_unicast+0x449/0x710 [ 7352.359042][ T10] netlink_sendmsg+0x723/0xbe0 [ 7352.359042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7352.359042][ T10] ___sys_sendmsg+0xee/0x170 [ 7352.359042][ T10] __sys_sendmsg+0xcd/0x170 [ 7352.359042][ T10] do_syscall_64+0xc6/0x1e0 [ 7352.359042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7352.359042][ T10] [ 7352.361172][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7352.361439][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7352.361439][ T10] netdev_get_by_index+0x5e/0x80 [ 7352.361439][ T10] fib6_nh_init+0x3d8/0x1580 [ 7352.361439][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7352.361439][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7352.361439][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7352.361439][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7352.361439][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7352.361439][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7352.361439][ T10] addrconf_dad_begin+0x310/0x670 [ 7352.361439][ T10] addrconf_dad_work+0x10b/0xab0 [ 7352.361439][ T10] process_one_work+0x84d/0x18a0 [ 7352.361439][ T10] worker_thread+0x587/0xd30 [ 7352.361439][ T10] kthread+0x28a/0x350 [ 7352.361439][ T10] ret_from_fork+0x31/0x70 [ 7352.361439][ T10] ret_from_fork_asm+0x1a/0x30 [ 7352.361439][ T10] [ 7352.363840][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7352.363840][ T10] netdev_get_by_index+0x5e/0x80 [ 7352.363840][ T10] fib6_nh_init+0x3d8/0x1580 [ 7352.363840][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7352.363840][ T10] ip6_route_add+0x1c/0x140 [ 7352.363840][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7352.363840][ T10] inet6_addr_add+0x4f8/0xa40 [ 7352.363840][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7352.363840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7352.363840][ T10] netlink_rcv_skb+0x130/0x360 [ 7352.363840][ T10] netlink_unicast+0x449/0x710 [ 7352.363840][ T10] netlink_sendmsg+0x723/0xbe0 [ 7352.363840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7352.363840][ T10] ___sys_sendmsg+0xee/0x170 [ 7352.363840][ T10] __sys_sendmsg+0xcd/0x170 [ 7352.363840][ T10] do_syscall_64+0xc6/0x1e0 [ 7352.363840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7352.363840][ T10] [ 7352.366376][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7352.366376][ T10] netdev_get_by_index+0x5e/0x80 [ 7352.366376][ T10] fib6_nh_init+0x3d8/0x1580 [ 7352.366376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7352.366376][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7352.366376][ T10] ipv6_add_addr+0x411/0x2000 [ 7352.366376][ T10] inet6_addr_add+0x30e/0xa40 [ 7352.366376][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7352.366376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7352.366376][ T10] netlink_rcv_skb+0x130/0x360 [ 7352.366376][ T10] netlink_unicast+0x449/0x710 [ 7352.366376][ T10] netlink_sendmsg+0x723/0xbe0 [ 7352.366376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7352.366376][ T10] ___sys_sendmsg+0xee/0x170 [ 7352.366376][ T10] __sys_sendmsg+0xcd/0x170 [ 7352.366376][ T10] do_syscall_64+0xc6/0x1e0 [ 7352.366376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7352.366376][ T10] [ 7352.368884][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7352.368884][ T10] netdev_get_by_index+0x5e/0x80 [ 7352.368884][ T10] fib6_nh_init+0x3d8/0x1580 [ 7352.368884][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7352.368884][ T10] ip6_route_add+0x1c/0x140 [ 7352.368884][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7352.368884][ T10] addrconf_add_dev+0xe2/0x170 [ 7352.368884][ T10] inet6_addr_add+0x12f/0xa40 [ 7352.368884][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7352.368884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7352.368884][ T10] netlink_rcv_skb+0x130/0x360 [ 7352.368884][ T10] netlink_unicast+0x449/0x710 [ 7352.368884][ T10] netlink_sendmsg+0x723/0xbe0 [ 7352.368884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7352.368884][ T10] ___sys_sendmsg+0xee/0x170 [ 7352.368884][ T10] __sys_sendmsg+0xcd/0x170 [ 7352.368884][ T10] do_syscall_64+0xc6/0x1e0 [ 7352.368884][ T10] [ 7352.371313][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7352.371313][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7352.371313][ T10] ipv6_find_idev+0x102/0x170 [ 7352.371313][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7352.371313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7352.371313][ T10] netlink_rcv_skb+0x130/0x360 [ 7352.371313][ T10] netlink_unicast+0x449/0x710 [ 7352.371313][ T10] netlink_sendmsg+0x723/0xbe0 [ 7352.371313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7352.371313][ T10] ___sys_sendmsg+0xee/0x170 [ 7352.371313][ T10] __sys_sendmsg+0xcd/0x170 [ 7352.371313][ T10] do_syscall_64+0xc6/0x1e0 [ 7352.371313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7352.371313][ T10] [ 7352.373239][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7352.373239][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7352.373239][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7352.373239][ T10] ipv6_find_idev+0x102/0x170 [ 7352.373239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7352.373239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7352.373239][ T10] netlink_rcv_skb+0x130/0x360 [ 7352.373239][ T10] netlink_unicast+0x449/0x710 [ 7352.373239][ T10] netlink_sendmsg+0x723/0xbe0 [ 7352.373239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7352.373239][ T10] ___sys_sendmsg+0xee/0x170 [ 7352.373239][ T10] __sys_sendmsg+0xcd/0x170 [ 7352.373239][ T10] do_syscall_64+0xc6/0x1e0 [ 7352.373239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7352.373239][ T10] [ 7356.393131][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7356.393639][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7356.393639][ T1167] dst_init+0x84/0x4a0 [ 7356.393639][ T1167] dst_alloc+0x97/0x150 [ 7356.393639][ T1167] ip6_dst_alloc+0x23/0x90 [ 7356.393639][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7356.393639][ T1167] ip6_pol_route+0x56f/0x840 [ 7356.393639][ T1167] fib6_rule_lookup+0x334/0x630 [ 7356.393639][ T1167] ip6_route_output_flags+0x259/0x480 [ 7356.393639][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7356.393639][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7356.393639][ T1167] netlink_rcv_skb+0x130/0x360 [ 7356.393639][ T1167] netlink_unicast+0x449/0x710 [ 7356.393639][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7356.393639][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7356.393639][ T1167] ___sys_sendmsg+0xee/0x170 [ 7356.393639][ T1167] __sys_sendmsg+0xcd/0x170 [ 7356.393639][ T1167] do_syscall_64+0xc6/0x1e0 [ 7356.393639][ T1167] [ 7356.395859][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7356.395859][ T1167] netdev_get_by_index+0x5e/0x80 [ 7356.395859][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7356.395859][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7356.395859][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7356.395859][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7356.395859][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7356.395859][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7356.395859][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7356.395859][ T1167] addrconf_dad_begin+0x310/0x670 [ 7356.395859][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7356.395859][ T1167] process_one_work+0x84d/0x18a0 [ 7356.395859][ T1167] worker_thread+0x587/0xd30 [ 7356.395859][ T1167] kthread+0x28a/0x350 [ 7356.395859][ T1167] ret_from_fork+0x31/0x70 [ 7356.395859][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7356.395859][ T1167] [ 7356.398013][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7356.398013][ T1167] netdev_get_by_index+0x5e/0x80 [ 7356.398013][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7356.398013][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7356.398013][ T1167] ip6_route_add+0x1c/0x140 [ 7356.398013][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7356.398013][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7356.398013][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7356.398013][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7356.398013][ T1167] netlink_rcv_skb+0x130/0x360 [ 7356.398013][ T1167] netlink_unicast+0x449/0x710 [ 7356.398013][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7356.398013][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7356.398013][ T1167] ___sys_sendmsg+0xee/0x170 [ 7356.398013][ T1167] __sys_sendmsg+0xcd/0x170 [ 7356.398013][ T1167] do_syscall_64+0xc6/0x1e0 [ 7356.398013][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7356.398013][ T1167] [ 7356.400273][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7356.400273][ T1167] netdev_get_by_index+0x5e/0x80 [ 7356.400273][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7356.400273][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7356.400273][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7356.400273][ T1167] ipv6_add_addr+0x411/0x2000 [ 7356.400273][ T1167] inet6_addr_add+0x30e/0xa40 [ 7356.400273][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7356.400273][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7356.400273][ T1167] netlink_rcv_skb+0x130/0x360 [ 7356.400273][ T1167] netlink_unicast+0x449/0x710 [ 7356.400273][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7356.400273][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7356.400273][ T1167] ___sys_sendmsg+0xee/0x170 [ 7356.400273][ T1167] __sys_sendmsg+0xcd/0x170 [ 7356.400273][ T1167] do_syscall_64+0xc6/0x1e0 [ 7356.400273][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7356.400273][ T1167] [ 7356.402520][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7356.402520][ T1167] netdev_get_by_index+0x5e/0x80 [ 7356.402520][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7356.402520][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7356.402520][ T1167] ip6_route_add+0x1c/0x140 [ 7356.402520][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7356.402520][ T1167] addrconf_add_dev+0xe2/0x170 [ 7356.402520][ T1167] inet6_addr_add+0x12f/0xa40 [ 7356.402520][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7356.402520][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7356.402520][ T1167] netlink_rcv_skb+0x130/0x360 [ 7356.402520][ T1167] netlink_unicast+0x449/0x710 [ 7356.402520][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7356.402520][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7356.402520][ T1167] ___sys_sendmsg+0xee/0x170 [ 7356.402520][ T1167] __sys_sendmsg+0xcd/0x170 [ 7356.402520][ T1167] do_syscall_64+0xc6/0x1e0 [ 7356.402520][ T1167] [ 7356.404748][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7356.404748][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7356.404748][ T1167] ipv6_find_idev+0x102/0x170 [ 7356.404748][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7356.404748][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7356.404748][ T1167] netlink_rcv_skb+0x130/0x360 [ 7356.404748][ T1167] netlink_unicast+0x449/0x710 [ 7356.404748][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7356.404748][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7356.404748][ T1167] ___sys_sendmsg+0xee/0x170 [ 7356.404748][ T1167] __sys_sendmsg+0xcd/0x170 [ 7356.404748][ T1167] do_syscall_64+0xc6/0x1e0 [ 7356.404748][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7356.404748][ T1167] [ 7356.406491][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7356.406491][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7356.406491][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7356.406491][ T1167] ipv6_find_idev+0x102/0x170 [ 7356.406491][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7356.406491][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7356.406491][ T1167] netlink_rcv_skb+0x130/0x360 [ 7356.406491][ T1167] netlink_unicast+0x449/0x710 [ 7356.406491][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7356.406491][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7356.406491][ T1167] ___sys_sendmsg+0xee/0x170 [ 7356.406491][ T1167] __sys_sendmsg+0xcd/0x170 [ 7356.406491][ T1167] do_syscall_64+0xc6/0x1e0 [ 7356.406491][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7356.406491][ T1167] [ 7362.625108][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7362.625593][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7362.625593][ T10] netdev_get_by_index+0x5e/0x80 [ 7362.625593][ T10] fib6_nh_init+0x3d8/0x1580 [ 7362.625593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7362.625593][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7362.625593][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7362.625593][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7362.625593][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7362.625593][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7362.625593][ T10] addrconf_dad_begin+0x310/0x670 [ 7362.625593][ T10] addrconf_dad_work+0x10b/0xab0 [ 7362.625593][ T10] process_one_work+0x84d/0x18a0 [ 7362.625593][ T10] worker_thread+0x587/0xd30 [ 7362.625593][ T10] kthread+0x28a/0x350 [ 7362.625593][ T10] ret_from_fork+0x31/0x70 [ 7362.625593][ T10] ret_from_fork_asm+0x1a/0x30 [ 7362.625593][ T10] [ 7362.627803][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7362.627803][ T10] netdev_get_by_index+0x5e/0x80 [ 7362.627803][ T10] fib6_nh_init+0x3d8/0x1580 [ 7362.627803][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7362.627803][ T10] ip6_route_add+0x1c/0x140 [ 7362.627803][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7362.627803][ T10] inet6_addr_add+0x4f8/0xa40 [ 7362.627803][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7362.627803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7362.627803][ T10] netlink_rcv_skb+0x130/0x360 [ 7362.627803][ T10] netlink_unicast+0x449/0x710 [ 7362.627803][ T10] netlink_sendmsg+0x723/0xbe0 [ 7362.627803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7362.627803][ T10] ___sys_sendmsg+0xee/0x170 [ 7362.627803][ T10] __sys_sendmsg+0xcd/0x170 [ 7362.627803][ T10] do_syscall_64+0xc6/0x1e0 [ 7362.627803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7362.627803][ T10] [ 7362.630074][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7362.630074][ T10] netdev_get_by_index+0x5e/0x80 [ 7362.630074][ T10] fib6_nh_init+0x3d8/0x1580 [ 7362.630074][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7362.630074][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7362.630074][ T10] ipv6_add_addr+0x411/0x2000 [ 7362.630074][ T10] inet6_addr_add+0x30e/0xa40 [ 7362.630074][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7362.630074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7362.630074][ T10] netlink_rcv_skb+0x130/0x360 [ 7362.630074][ T10] netlink_unicast+0x449/0x710 [ 7362.630074][ T10] netlink_sendmsg+0x723/0xbe0 [ 7362.630074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7362.630074][ T10] ___sys_sendmsg+0xee/0x170 [ 7362.630074][ T10] __sys_sendmsg+0xcd/0x170 [ 7362.630074][ T10] do_syscall_64+0xc6/0x1e0 [ 7362.630074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7362.630074][ T10] [ 7362.632364][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7362.632364][ T10] netdev_get_by_index+0x5e/0x80 [ 7362.632364][ T10] fib6_nh_init+0x3d8/0x1580 [ 7362.632364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7362.632364][ T10] ip6_route_add+0x1c/0x140 [ 7362.632364][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7362.632364][ T10] addrconf_add_dev+0xe2/0x170 [ 7362.632364][ T10] inet6_addr_add+0x12f/0xa40 [ 7362.632364][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7362.632364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7362.632364][ T10] netlink_rcv_skb+0x130/0x360 [ 7362.632364][ T10] netlink_unicast+0x449/0x710 [ 7362.632364][ T10] netlink_sendmsg+0x723/0xbe0 [ 7362.632364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7362.632364][ T10] ___sys_sendmsg+0xee/0x170 [ 7362.632364][ T10] __sys_sendmsg+0xcd/0x170 [ 7362.632364][ T10] do_syscall_64+0xc6/0x1e0 [ 7362.632364][ T10] [ 7362.634612][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7362.634612][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7362.634612][ T10] ipv6_find_idev+0x102/0x170 [ 7362.634612][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7362.634612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7362.634612][ T10] netlink_rcv_skb+0x130/0x360 [ 7362.634612][ T10] netlink_unicast+0x449/0x710 [ 7362.634612][ T10] netlink_sendmsg+0x723/0xbe0 [ 7362.634612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7362.634612][ T10] ___sys_sendmsg+0xee/0x170 [ 7362.634612][ T10] __sys_sendmsg+0xcd/0x170 [ 7362.634612][ T10] do_syscall_64+0xc6/0x1e0 [ 7362.634612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7362.634612][ T10] [ 7362.636367][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7362.636367][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7362.636367][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7362.636367][ T10] ipv6_find_idev+0x102/0x170 [ 7362.636367][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7362.636367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7362.636367][ T10] netlink_rcv_skb+0x130/0x360 [ 7362.636367][ T10] netlink_unicast+0x449/0x710 [ 7362.636367][ T10] netlink_sendmsg+0x723/0xbe0 [ 7362.636367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7362.636367][ T10] ___sys_sendmsg+0xee/0x170 [ 7362.636367][ T10] __sys_sendmsg+0xcd/0x170 [ 7362.636367][ T10] do_syscall_64+0xc6/0x1e0 [ 7362.636367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7362.636367][ T10] [ 7362.638296][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7362.638563][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7362.638563][ T10] netdev_get_by_index+0x5e/0x80 [ 7362.638563][ T10] fib6_nh_init+0x3d8/0x1580 [ 7362.638563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7362.638563][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7362.638563][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7362.638563][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7362.638563][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7362.638563][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7362.638563][ T10] addrconf_dad_begin+0x310/0x670 [ 7362.638563][ T10] addrconf_dad_work+0x10b/0xab0 [ 7362.638563][ T10] process_one_work+0x84d/0x18a0 [ 7362.638563][ T10] worker_thread+0x587/0xd30 [ 7362.638563][ T10] kthread+0x28a/0x350 [ 7362.638563][ T10] ret_from_fork+0x31/0x70 [ 7362.638563][ T10] ret_from_fork_asm+0x1a/0x30 [ 7362.638563][ T10] [ 7362.640742][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7362.640742][ T10] netdev_get_by_index+0x5e/0x80 [ 7362.640742][ T10] fib6_nh_init+0x3d8/0x1580 [ 7362.640742][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7362.640742][ T10] ip6_route_add+0x1c/0x140 [ 7362.640742][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7362.640742][ T10] inet6_addr_add+0x4f8/0xa40 [ 7362.640742][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7362.640742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7362.640742][ T10] netlink_rcv_skb+0x130/0x360 [ 7362.640742][ T10] netlink_unicast+0x449/0x710 [ 7362.640742][ T10] netlink_sendmsg+0x723/0xbe0 [ 7362.640742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7362.640742][ T10] ___sys_sendmsg+0xee/0x170 [ 7362.640742][ T10] __sys_sendmsg+0xcd/0x170 [ 7362.640742][ T10] do_syscall_64+0xc6/0x1e0 [ 7362.640742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7362.640742][ T10] [ 7362.643018][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7362.643018][ T10] netdev_get_by_index+0x5e/0x80 [ 7362.643018][ T10] fib6_nh_init+0x3d8/0x1580 [ 7362.643018][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7362.643018][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7362.643018][ T10] ipv6_add_addr+0x411/0x2000 [ 7362.643018][ T10] inet6_addr_add+0x30e/0xa40 [ 7362.643018][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7362.643018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7362.643018][ T10] netlink_rcv_skb+0x130/0x360 [ 7362.643018][ T10] netlink_unicast+0x449/0x710 [ 7362.643018][ T10] netlink_sendmsg+0x723/0xbe0 [ 7362.643018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7362.643018][ T10] ___sys_sendmsg+0xee/0x170 [ 7362.643018][ T10] __sys_sendmsg+0xcd/0x170 [ 7362.643018][ T10] do_syscall_64+0xc6/0x1e0 [ 7362.643018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7362.643018][ T10] [ 7362.645427][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7362.645427][ T10] netdev_get_by_index+0x5e/0x80 [ 7362.645427][ T10] fib6_nh_init+0x3d8/0x1580 [ 7362.645427][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7362.645427][ T10] ip6_route_add+0x1c/0x140 [ 7362.645427][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7362.645427][ T10] addrconf_add_dev+0xe2/0x170 [ 7362.645427][ T10] inet6_addr_add+0x12f/0xa40 [ 7362.645427][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7362.645427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7362.645427][ T10] netlink_rcv_skb+0x130/0x360 [ 7362.645427][ T10] netlink_unicast+0x449/0x710 [ 7362.645427][ T10] netlink_sendmsg+0x723/0xbe0 [ 7362.645427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7362.645427][ T10] ___sys_sendmsg+0xee/0x170 [ 7362.645427][ T10] __sys_sendmsg+0xcd/0x170 [ 7362.645427][ T10] do_syscall_64+0xc6/0x1e0 [ 7362.645427][ T10] [ 7362.647662][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7362.647662][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7362.647662][ T10] ipv6_find_idev+0x102/0x170 [ 7362.647662][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7362.647662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7362.647662][ T10] netlink_rcv_skb+0x130/0x360 [ 7362.647662][ T10] netlink_unicast+0x449/0x710 [ 7362.647662][ T10] netlink_sendmsg+0x723/0xbe0 [ 7362.647662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7362.647662][ T10] ___sys_sendmsg+0xee/0x170 [ 7362.647662][ T10] __sys_sendmsg+0xcd/0x170 [ 7362.647662][ T10] do_syscall_64+0xc6/0x1e0 [ 7362.647662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7362.647662][ T10] [ 7362.649428][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7362.649428][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7362.649428][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7362.649428][ T10] ipv6_find_idev+0x102/0x170 [ 7362.649428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7362.649428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7362.649428][ T10] netlink_rcv_skb+0x130/0x360 [ 7362.649428][ T10] netlink_unicast+0x449/0x710 [ 7362.649428][ T10] netlink_sendmsg+0x723/0xbe0 [ 7362.649428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7362.649428][ T10] ___sys_sendmsg+0xee/0x170 [ 7362.649428][ T10] __sys_sendmsg+0xcd/0x170 [ 7362.649428][ T10] do_syscall_64+0xc6/0x1e0 [ 7362.649428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7362.649428][ T10] [ 7362.651380][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7362.651645][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7362.651645][ T10] netdev_get_by_index+0x5e/0x80 [ 7362.651645][ T10] fib6_nh_init+0x3d8/0x1580 [ 7362.651645][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7362.651645][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7362.651645][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7362.651645][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7362.651645][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7362.651645][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7362.651645][ T10] addrconf_dad_begin+0x310/0x670 [ 7362.651645][ T10] addrconf_dad_work+0x10b/0xab0 [ 7362.651645][ T10] process_one_work+0x84d/0x18a0 [ 7362.651645][ T10] worker_thread+0x587/0xd30 [ 7362.651645][ T10] kthread+0x28a/0x350 [ 7362.651645][ T10] ret_from_fork+0x31/0x70 [ 7362.651645][ T10] ret_from_fork_asm+0x1a/0x30 [ 7362.651645][ T10] [ 7362.653824][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7362.653824][ T10] netdev_get_by_index+0x5e/0x80 [ 7362.653824][ T10] fib6_nh_init+0x3d8/0x1580 [ 7362.653824][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7362.653824][ T10] ip6_route_add+0x1c/0x140 [ 7362.653824][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7362.653824][ T10] inet6_addr_add+0x4f8/0xa40 [ 7362.653824][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7362.653824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7362.653824][ T10] netlink_rcv_skb+0x130/0x360 [ 7362.653824][ T10] netlink_unicast+0x449/0x710 [ 7362.653824][ T10] netlink_sendmsg+0x723/0xbe0 [ 7362.653824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7362.653824][ T10] ___sys_sendmsg+0xee/0x170 [ 7362.653824][ T10] __sys_sendmsg+0xcd/0x170 [ 7362.653824][ T10] do_syscall_64+0xc6/0x1e0 [ 7362.653824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7362.653824][ T10] [ 7362.656287][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7362.656287][ T10] netdev_get_by_index+0x5e/0x80 [ 7362.656287][ T10] fib6_nh_init+0x3d8/0x1580 [ 7362.656287][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7362.656287][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7362.656287][ T10] ipv6_add_addr+0x411/0x2000 [ 7362.656287][ T10] inet6_addr_add+0x30e/0xa40 [ 7362.656287][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7362.656287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7362.656287][ T10] netlink_rcv_skb+0x130/0x360 [ 7362.656287][ T10] netlink_unicast+0x449/0x710 [ 7362.656287][ T10] netlink_sendmsg+0x723/0xbe0 [ 7362.656287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7362.656287][ T10] ___sys_sendmsg+0xee/0x170 [ 7362.656287][ T10] __sys_sendmsg+0xcd/0x170 [ 7362.656287][ T10] do_syscall_64+0xc6/0x1e0 [ 7362.656287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7362.656287][ T10] [ 7362.658870][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7362.658870][ T10] netdev_get_by_index+0x5e/0x80 [ 7362.658870][ T10] fib6_nh_init+0x3d8/0x1580 [ 7362.658870][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7362.658870][ T10] ip6_route_add+0x1c/0x140 [ 7362.658870][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7362.658870][ T10] addrconf_add_dev+0xe2/0x170 [ 7362.658870][ T10] inet6_addr_add+0x12f/0xa40 [ 7362.658870][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7362.658870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7362.658870][ T10] netlink_rcv_skb+0x130/0x360 [ 7362.658870][ T10] netlink_unicast+0x449/0x710 [ 7362.658870][ T10] netlink_sendmsg+0x723/0xbe0 [ 7362.658870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7362.658870][ T10] ___sys_sendmsg+0xee/0x170 [ 7362.658870][ T10] __sys_sendmsg+0xcd/0x170 [ 7362.658870][ T10] do_syscall_64+0xc6/0x1e0 [ 7362.658870][ T10] [ 7362.661346][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7362.661346][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7362.661346][ T10] ipv6_find_idev+0x102/0x170 [ 7362.661346][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7362.661346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7362.661346][ T10] netlink_rcv_skb+0x130/0x360 [ 7362.661346][ T10] netlink_unicast+0x449/0x710 [ 7362.661346][ T10] netlink_sendmsg+0x723/0xbe0 [ 7362.661346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7362.661346][ T10] ___sys_sendmsg+0xee/0x170 [ 7362.661346][ T10] __sys_sendmsg+0xcd/0x170 [ 7362.661346][ T10] do_syscall_64+0xc6/0x1e0 [ 7362.661346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7362.661346][ T10] [ 7362.663290][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7362.663290][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7362.663290][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7362.663290][ T10] ipv6_find_idev+0x102/0x170 [ 7362.663290][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7362.663290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7362.663290][ T10] netlink_rcv_skb+0x130/0x360 [ 7362.663290][ T10] netlink_unicast+0x449/0x710 [ 7362.663290][ T10] netlink_sendmsg+0x723/0xbe0 [ 7362.663290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7362.663290][ T10] ___sys_sendmsg+0xee/0x170 [ 7362.663290][ T10] __sys_sendmsg+0xcd/0x170 [ 7362.663290][ T10] do_syscall_64+0xc6/0x1e0 [ 7362.663290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7362.663290][ T10] [ 7362.665383][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7362.665643][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7362.665643][ T10] netdev_get_by_index+0x5e/0x80 [ 7362.665643][ T10] fib6_nh_init+0x3d8/0x1580 [ 7362.665643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7362.665643][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7362.665643][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7362.665643][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7362.665643][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7362.665643][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7362.665643][ T10] addrconf_dad_begin+0x310/0x670 [ 7362.665643][ T10] addrconf_dad_work+0x10b/0xab0 [ 7362.665643][ T10] process_one_work+0x84d/0x18a0 [ 7362.665643][ T10] worker_thread+0x587/0xd30 [ 7362.665643][ T10] kthread+0x28a/0x350 [ 7362.665643][ T10] ret_from_fork+0x31/0x70 [ 7362.665643][ T10] ret_from_fork_asm+0x1a/0x30 [ 7362.665643][ T10] [ 7362.668105][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7362.668105][ T10] netdev_get_by_index+0x5e/0x80 [ 7362.668105][ T10] fib6_nh_init+0x3d8/0x1580 [ 7362.668105][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7362.668105][ T10] ip6_route_add+0x1c/0x140 [ 7362.668105][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7362.668105][ T10] inet6_addr_add+0x4f8/0xa40 [ 7362.668105][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7362.668105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7362.668105][ T10] netlink_rcv_skb+0x130/0x360 [ 7362.668105][ T10] netlink_unicast+0x449/0x710 [ 7362.668105][ T10] netlink_sendmsg+0x723/0xbe0 [ 7362.668105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7362.668105][ T10] ___sys_sendmsg+0xee/0x170 [ 7362.668105][ T10] __sys_sendmsg+0xcd/0x170 [ 7362.668105][ T10] do_syscall_64+0xc6/0x1e0 [ 7362.668105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7362.668105][ T10] [ 7362.670622][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7362.670622][ T10] netdev_get_by_index+0x5e/0x80 [ 7362.670622][ T10] fib6_nh_init+0x3d8/0x1580 [ 7362.670622][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7362.670622][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7362.670622][ T10] ipv6_add_addr+0x411/0x2000 [ 7362.670622][ T10] inet6_addr_add+0x30e/0xa40 [ 7362.670622][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7362.670622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7362.670622][ T10] netlink_rcv_skb+0x130/0x360 [ 7362.670622][ T10] netlink_unicast+0x449/0x710 [ 7362.670622][ T10] netlink_sendmsg+0x723/0xbe0 [ 7362.670622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7362.670622][ T10] ___sys_sendmsg+0xee/0x170 [ 7362.670622][ T10] __sys_sendmsg+0xcd/0x170 [ 7362.670622][ T10] do_syscall_64+0xc6/0x1e0 [ 7362.670622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7362.670622][ T10] [ 7362.673248][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7362.673248][ T10] netdev_get_by_index+0x5e/0x80 [ 7362.673248][ T10] fib6_nh_init+0x3d8/0x1580 [ 7362.673248][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7362.673248][ T10] ip6_route_add+0x1c/0x140 [ 7362.673248][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7362.673248][ T10] addrconf_add_dev+0xe2/0x170 [ 7362.673248][ T10] inet6_addr_add+0x12f/0xa40 [ 7362.673248][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7362.673248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7362.673248][ T10] netlink_rcv_skb+0x130/0x360 [ 7362.673248][ T10] netlink_unicast+0x449/0x710 [ 7362.673248][ T10] netlink_sendmsg+0x723/0xbe0 [ 7362.673248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7362.673248][ T10] ___sys_sendmsg+0xee/0x170 [ 7362.673248][ T10] __sys_sendmsg+0xcd/0x170 [ 7362.673248][ T10] do_syscall_64+0xc6/0x1e0 [ 7362.673248][ T10] [ 7362.675676][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7362.675676][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7362.675676][ T10] ipv6_find_idev+0x102/0x170 [ 7362.675676][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7362.675676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7362.675676][ T10] netlink_rcv_skb+0x130/0x360 [ 7362.675676][ T10] netlink_unicast+0x449/0x710 [ 7362.675676][ T10] netlink_sendmsg+0x723/0xbe0 [ 7362.675676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7362.675676][ T10] ___sys_sendmsg+0xee/0x170 [ 7362.675676][ T10] __sys_sendmsg+0xcd/0x170 [ 7362.675676][ T10] do_syscall_64+0xc6/0x1e0 [ 7362.675676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7362.675676][ T10] [ 7362.677615][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7362.677615][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7362.677615][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7362.677615][ T10] ipv6_find_idev+0x102/0x170 [ 7362.677615][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7362.677615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7362.677615][ T10] netlink_rcv_skb+0x130/0x360 [ 7362.677615][ T10] netlink_unicast+0x449/0x710 [ 7362.677615][ T10] netlink_sendmsg+0x723/0xbe0 [ 7362.677615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7362.677615][ T10] ___sys_sendmsg+0xee/0x170 [ 7362.677615][ T10] __sys_sendmsg+0xcd/0x170 [ 7362.677615][ T10] do_syscall_64+0xc6/0x1e0 [ 7362.677615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7362.677615][ T10] [ 7366.649113][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7366.649664][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7366.649664][ T1167] dst_init+0x84/0x4a0 [ 7366.649664][ T1167] dst_alloc+0x97/0x150 [ 7366.649664][ T1167] ip6_dst_alloc+0x23/0x90 [ 7366.649664][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7366.649664][ T1167] ip6_pol_route+0x56f/0x840 [ 7366.649664][ T1167] fib6_rule_lookup+0x334/0x630 [ 7366.649664][ T1167] ip6_route_output_flags+0x259/0x480 [ 7366.649664][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7366.649664][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7366.649664][ T1167] netlink_rcv_skb+0x130/0x360 [ 7366.649664][ T1167] netlink_unicast+0x449/0x710 [ 7366.649664][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7366.649664][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7366.649664][ T1167] ___sys_sendmsg+0xee/0x170 [ 7366.649664][ T1167] __sys_sendmsg+0xcd/0x170 [ 7366.649664][ T1167] do_syscall_64+0xc6/0x1e0 [ 7366.649664][ T1167] [ 7366.652142][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7366.652142][ T1167] netdev_get_by_index+0x5e/0x80 [ 7366.652142][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7366.652142][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7366.652142][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7366.652142][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7366.652142][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7366.652142][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7366.652142][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7366.652142][ T1167] addrconf_dad_begin+0x310/0x670 [ 7366.652142][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7366.652142][ T1167] process_one_work+0x84d/0x18a0 [ 7366.652142][ T1167] worker_thread+0x587/0xd30 [ 7366.652142][ T1167] kthread+0x28a/0x350 [ 7366.652142][ T1167] ret_from_fork+0x31/0x70 [ 7366.652142][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7366.652142][ T1167] [ 7366.654567][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7366.654567][ T1167] netdev_get_by_index+0x5e/0x80 [ 7366.654567][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7366.654567][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7366.654567][ T1167] ip6_route_add+0x1c/0x140 [ 7366.654567][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7366.654567][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7366.654567][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7366.654567][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7366.654567][ T1167] netlink_rcv_skb+0x130/0x360 [ 7366.654567][ T1167] netlink_unicast+0x449/0x710 [ 7366.654567][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7366.654567][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7366.654567][ T1167] ___sys_sendmsg+0xee/0x170 [ 7366.654567][ T1167] __sys_sendmsg+0xcd/0x170 [ 7366.654567][ T1167] do_syscall_64+0xc6/0x1e0 [ 7366.654567][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7366.654567][ T1167] [ 7366.657082][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7366.657082][ T1167] netdev_get_by_index+0x5e/0x80 [ 7366.657082][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7366.657082][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7366.657082][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7366.657082][ T1167] ipv6_add_addr+0x411/0x2000 [ 7366.657082][ T1167] inet6_addr_add+0x30e/0xa40 [ 7366.657082][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7366.657082][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7366.657082][ T1167] netlink_rcv_skb+0x130/0x360 [ 7366.657082][ T1167] netlink_unicast+0x449/0x710 [ 7366.657082][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7366.657082][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7366.657082][ T1167] ___sys_sendmsg+0xee/0x170 [ 7366.657082][ T1167] __sys_sendmsg+0xcd/0x170 [ 7366.657082][ T1167] do_syscall_64+0xc6/0x1e0 [ 7366.657082][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7366.657082][ T1167] [ 7366.659608][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7366.659608][ T1167] netdev_get_by_index+0x5e/0x80 [ 7366.659608][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7366.659608][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7366.659608][ T1167] ip6_route_add+0x1c/0x140 [ 7366.659608][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7366.659608][ T1167] addrconf_add_dev+0xe2/0x170 [ 7366.659608][ T1167] inet6_addr_add+0x12f/0xa40 [ 7366.659608][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7366.659608][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7366.659608][ T1167] netlink_rcv_skb+0x130/0x360 [ 7366.659608][ T1167] netlink_unicast+0x449/0x710 [ 7366.659608][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7366.659608][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7366.659608][ T1167] ___sys_sendmsg+0xee/0x170 [ 7366.659608][ T1167] __sys_sendmsg+0xcd/0x170 [ 7366.659608][ T1167] do_syscall_64+0xc6/0x1e0 [ 7366.659608][ T1167] [ 7366.662080][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7366.662080][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7366.662080][ T1167] ipv6_find_idev+0x102/0x170 [ 7366.662080][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7366.662080][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7366.662080][ T1167] netlink_rcv_skb+0x130/0x360 [ 7366.662080][ T1167] netlink_unicast+0x449/0x710 [ 7366.662080][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7366.662080][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7366.662080][ T1167] ___sys_sendmsg+0xee/0x170 [ 7366.662080][ T1167] __sys_sendmsg+0xcd/0x170 [ 7366.662080][ T1167] do_syscall_64+0xc6/0x1e0 [ 7366.662080][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7366.662080][ T1167] [ 7366.664552][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7366.664552][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7366.664552][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7366.664552][ T1167] ipv6_find_idev+0x102/0x170 [ 7366.664552][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7366.664552][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7366.664552][ T1167] netlink_rcv_skb+0x130/0x360 [ 7366.664552][ T1167] netlink_unicast+0x449/0x710 [ 7366.664552][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7366.664552][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7366.664552][ T1167] ___sys_sendmsg+0xee/0x170 [ 7366.664552][ T1167] __sys_sendmsg+0xcd/0x170 [ 7366.664552][ T1167] do_syscall_64+0xc6/0x1e0 [ 7366.664552][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7366.664552][ T1167] [ 7372.689131][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7372.689615][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7372.689615][ T10] netdev_get_by_index+0x5e/0x80 [ 7372.689615][ T10] fib6_nh_init+0x3d8/0x1580 [ 7372.689615][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7372.689615][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7372.689615][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7372.689615][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7372.689615][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7372.689615][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7372.689615][ T10] addrconf_dad_begin+0x310/0x670 [ 7372.689615][ T10] addrconf_dad_work+0x10b/0xab0 [ 7372.689615][ T10] process_one_work+0x84d/0x18a0 [ 7372.689615][ T10] worker_thread+0x587/0xd30 [ 7372.689615][ T10] kthread+0x28a/0x350 [ 7372.689615][ T10] ret_from_fork+0x31/0x70 [ 7372.689615][ T10] ret_from_fork_asm+0x1a/0x30 [ 7372.689615][ T10] [ 7372.691819][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7372.691819][ T10] netdev_get_by_index+0x5e/0x80 [ 7372.691819][ T10] fib6_nh_init+0x3d8/0x1580 [ 7372.691819][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7372.691819][ T10] ip6_route_add+0x1c/0x140 [ 7372.691819][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7372.691819][ T10] inet6_addr_add+0x4f8/0xa40 [ 7372.691819][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7372.691819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7372.691819][ T10] netlink_rcv_skb+0x130/0x360 [ 7372.691819][ T10] netlink_unicast+0x449/0x710 [ 7372.691819][ T10] netlink_sendmsg+0x723/0xbe0 [ 7372.691819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7372.691819][ T10] ___sys_sendmsg+0xee/0x170 [ 7372.691819][ T10] __sys_sendmsg+0xcd/0x170 [ 7372.691819][ T10] do_syscall_64+0xc6/0x1e0 [ 7372.691819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7372.691819][ T10] [ 7372.694093][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7372.694093][ T10] netdev_get_by_index+0x5e/0x80 [ 7372.694093][ T10] fib6_nh_init+0x3d8/0x1580 [ 7372.694093][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7372.694093][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7372.694093][ T10] ipv6_add_addr+0x411/0x2000 [ 7372.694093][ T10] inet6_addr_add+0x30e/0xa40 [ 7372.694093][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7372.694093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7372.694093][ T10] netlink_rcv_skb+0x130/0x360 [ 7372.694093][ T10] netlink_unicast+0x449/0x710 [ 7372.694093][ T10] netlink_sendmsg+0x723/0xbe0 [ 7372.694093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7372.694093][ T10] ___sys_sendmsg+0xee/0x170 [ 7372.694093][ T10] __sys_sendmsg+0xcd/0x170 [ 7372.694093][ T10] do_syscall_64+0xc6/0x1e0 [ 7372.694093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7372.694093][ T10] [ 7372.696371][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7372.696371][ T10] netdev_get_by_index+0x5e/0x80 [ 7372.696371][ T10] fib6_nh_init+0x3d8/0x1580 [ 7372.696371][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7372.696371][ T10] ip6_route_add+0x1c/0x140 [ 7372.696371][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7372.696371][ T10] addrconf_add_dev+0xe2/0x170 [ 7372.696371][ T10] inet6_addr_add+0x12f/0xa40 [ 7372.696371][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7372.696371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7372.696371][ T10] netlink_rcv_skb+0x130/0x360 [ 7372.696371][ T10] netlink_unicast+0x449/0x710 [ 7372.696371][ T10] netlink_sendmsg+0x723/0xbe0 [ 7372.696371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7372.696371][ T10] ___sys_sendmsg+0xee/0x170 [ 7372.696371][ T10] __sys_sendmsg+0xcd/0x170 [ 7372.696371][ T10] do_syscall_64+0xc6/0x1e0 [ 7372.696371][ T10] [ 7372.698600][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7372.698600][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7372.698600][ T10] ipv6_find_idev+0x102/0x170 [ 7372.698600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7372.698600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7372.698600][ T10] netlink_rcv_skb+0x130/0x360 [ 7372.698600][ T10] netlink_unicast+0x449/0x710 [ 7372.698600][ T10] netlink_sendmsg+0x723/0xbe0 [ 7372.698600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7372.698600][ T10] ___sys_sendmsg+0xee/0x170 [ 7372.698600][ T10] __sys_sendmsg+0xcd/0x170 [ 7372.698600][ T10] do_syscall_64+0xc6/0x1e0 [ 7372.698600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7372.698600][ T10] [ 7372.700352][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7372.700352][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7372.700352][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7372.700352][ T10] ipv6_find_idev+0x102/0x170 [ 7372.700352][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7372.700352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7372.700352][ T10] netlink_rcv_skb+0x130/0x360 [ 7372.700352][ T10] netlink_unicast+0x449/0x710 [ 7372.700352][ T10] netlink_sendmsg+0x723/0xbe0 [ 7372.700352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7372.700352][ T10] ___sys_sendmsg+0xee/0x170 [ 7372.700352][ T10] __sys_sendmsg+0xcd/0x170 [ 7372.700352][ T10] do_syscall_64+0xc6/0x1e0 [ 7372.700352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7372.700352][ T10] [ 7372.702309][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7372.702574][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7372.702574][ T10] netdev_get_by_index+0x5e/0x80 [ 7372.702574][ T10] fib6_nh_init+0x3d8/0x1580 [ 7372.702574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7372.702574][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7372.702574][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7372.702574][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7372.702574][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7372.702574][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7372.702574][ T10] addrconf_dad_begin+0x310/0x670 [ 7372.702574][ T10] addrconf_dad_work+0x10b/0xab0 [ 7372.702574][ T10] process_one_work+0x84d/0x18a0 [ 7372.702574][ T10] worker_thread+0x587/0xd30 [ 7372.702574][ T10] kthread+0x28a/0x350 [ 7372.702574][ T10] ret_from_fork+0x31/0x70 [ 7372.702574][ T10] ret_from_fork_asm+0x1a/0x30 [ 7372.702574][ T10] [ 7372.704757][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7372.704757][ T10] netdev_get_by_index+0x5e/0x80 [ 7372.704757][ T10] fib6_nh_init+0x3d8/0x1580 [ 7372.704757][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7372.704757][ T10] ip6_route_add+0x1c/0x140 [ 7372.704757][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7372.704757][ T10] inet6_addr_add+0x4f8/0xa40 [ 7372.704757][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7372.704757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7372.704757][ T10] netlink_rcv_skb+0x130/0x360 [ 7372.704757][ T10] netlink_unicast+0x449/0x710 [ 7372.704757][ T10] netlink_sendmsg+0x723/0xbe0 [ 7372.704757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7372.704757][ T10] ___sys_sendmsg+0xee/0x170 [ 7372.704757][ T10] __sys_sendmsg+0xcd/0x170 [ 7372.704757][ T10] do_syscall_64+0xc6/0x1e0 [ 7372.704757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7372.704757][ T10] [ 7372.707022][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7372.707022][ T10] netdev_get_by_index+0x5e/0x80 [ 7372.707022][ T10] fib6_nh_init+0x3d8/0x1580 [ 7372.707022][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7372.707022][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7372.707022][ T10] ipv6_add_addr+0x411/0x2000 [ 7372.707022][ T10] inet6_addr_add+0x30e/0xa40 [ 7372.707022][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7372.707022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7372.707022][ T10] netlink_rcv_skb+0x130/0x360 [ 7372.707022][ T10] netlink_unicast+0x449/0x710 [ 7372.707022][ T10] netlink_sendmsg+0x723/0xbe0 [ 7372.707022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7372.707022][ T10] ___sys_sendmsg+0xee/0x170 [ 7372.707022][ T10] __sys_sendmsg+0xcd/0x170 [ 7372.707022][ T10] do_syscall_64+0xc6/0x1e0 [ 7372.707022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7372.707022][ T10] [ 7372.709288][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7372.709288][ T10] netdev_get_by_index+0x5e/0x80 [ 7372.709288][ T10] fib6_nh_init+0x3d8/0x1580 [ 7372.709288][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7372.709288][ T10] ip6_route_add+0x1c/0x140 [ 7372.709288][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7372.709288][ T10] addrconf_add_dev+0xe2/0x170 [ 7372.709288][ T10] inet6_addr_add+0x12f/0xa40 [ 7372.709288][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7372.709288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7372.709288][ T10] netlink_rcv_skb+0x130/0x360 [ 7372.709288][ T10] netlink_unicast+0x449/0x710 [ 7372.709288][ T10] netlink_sendmsg+0x723/0xbe0 [ 7372.709288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7372.709288][ T10] ___sys_sendmsg+0xee/0x170 [ 7372.709288][ T10] __sys_sendmsg+0xcd/0x170 [ 7372.709288][ T10] do_syscall_64+0xc6/0x1e0 [ 7372.709288][ T10] [ 7372.711609][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7372.711609][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7372.711609][ T10] ipv6_find_idev+0x102/0x170 [ 7372.711609][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7372.711609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7372.711609][ T10] netlink_rcv_skb+0x130/0x360 [ 7372.711609][ T10] netlink_unicast+0x449/0x710 [ 7372.711609][ T10] netlink_sendmsg+0x723/0xbe0 [ 7372.711609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7372.711609][ T10] ___sys_sendmsg+0xee/0x170 [ 7372.711609][ T10] __sys_sendmsg+0xcd/0x170 [ 7372.711609][ T10] do_syscall_64+0xc6/0x1e0 [ 7372.711609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7372.711609][ T10] [ 7372.713374][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7372.713374][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7372.713374][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7372.713374][ T10] ipv6_find_idev+0x102/0x170 [ 7372.713374][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7372.713374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7372.713374][ T10] netlink_rcv_skb+0x130/0x360 [ 7372.713374][ T10] netlink_unicast+0x449/0x710 [ 7372.713374][ T10] netlink_sendmsg+0x723/0xbe0 [ 7372.713374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7372.713374][ T10] ___sys_sendmsg+0xee/0x170 [ 7372.713374][ T10] __sys_sendmsg+0xcd/0x170 [ 7372.713374][ T10] do_syscall_64+0xc6/0x1e0 [ 7372.713374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7372.713374][ T10] [ 7372.715306][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7372.715586][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7372.715586][ T10] netdev_get_by_index+0x5e/0x80 [ 7372.715586][ T10] fib6_nh_init+0x3d8/0x1580 [ 7372.715586][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7372.715586][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7372.715586][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7372.715586][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7372.715586][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7372.715586][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7372.715586][ T10] addrconf_dad_begin+0x310/0x670 [ 7372.715586][ T10] addrconf_dad_work+0x10b/0xab0 [ 7372.715586][ T10] process_one_work+0x84d/0x18a0 [ 7372.715586][ T10] worker_thread+0x587/0xd30 [ 7372.715586][ T10] kthread+0x28a/0x350 [ 7372.715586][ T10] ret_from_fork+0x31/0x70 [ 7372.715586][ T10] ret_from_fork_asm+0x1a/0x30 [ 7372.715586][ T10] [ 7372.717764][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7372.717764][ T10] netdev_get_by_index+0x5e/0x80 [ 7372.717764][ T10] fib6_nh_init+0x3d8/0x1580 [ 7372.717764][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7372.717764][ T10] ip6_route_add+0x1c/0x140 [ 7372.717764][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7372.717764][ T10] inet6_addr_add+0x4f8/0xa40 [ 7372.717764][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7372.717764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7372.717764][ T10] netlink_rcv_skb+0x130/0x360 [ 7372.717764][ T10] netlink_unicast+0x449/0x710 [ 7372.717764][ T10] netlink_sendmsg+0x723/0xbe0 [ 7372.717764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7372.717764][ T10] ___sys_sendmsg+0xee/0x170 [ 7372.717764][ T10] __sys_sendmsg+0xcd/0x170 [ 7372.717764][ T10] do_syscall_64+0xc6/0x1e0 [ 7372.717764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7372.717764][ T10] [ 7372.720229][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7372.720229][ T10] netdev_get_by_index+0x5e/0x80 [ 7372.720229][ T10] fib6_nh_init+0x3d8/0x1580 [ 7372.720229][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7372.720229][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7372.720229][ T10] ipv6_add_addr+0x411/0x2000 [ 7372.720229][ T10] inet6_addr_add+0x30e/0xa40 [ 7372.720229][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7372.720229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7372.720229][ T10] netlink_rcv_skb+0x130/0x360 [ 7372.720229][ T10] netlink_unicast+0x449/0x710 [ 7372.720229][ T10] netlink_sendmsg+0x723/0xbe0 [ 7372.720229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7372.720229][ T10] ___sys_sendmsg+0xee/0x170 [ 7372.720229][ T10] __sys_sendmsg+0xcd/0x170 [ 7372.720229][ T10] do_syscall_64+0xc6/0x1e0 [ 7372.720229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7372.720229][ T10] [ 7372.722766][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7372.722766][ T10] netdev_get_by_index+0x5e/0x80 [ 7372.722766][ T10] fib6_nh_init+0x3d8/0x1580 [ 7372.722766][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7372.722766][ T10] ip6_route_add+0x1c/0x140 [ 7372.722766][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7372.722766][ T10] addrconf_add_dev+0xe2/0x170 [ 7372.722766][ T10] inet6_addr_add+0x12f/0xa40 [ 7372.722766][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7372.722766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7372.722766][ T10] netlink_rcv_skb+0x130/0x360 [ 7372.722766][ T10] netlink_unicast+0x449/0x710 [ 7372.722766][ T10] netlink_sendmsg+0x723/0xbe0 [ 7372.722766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7372.722766][ T10] ___sys_sendmsg+0xee/0x170 [ 7372.722766][ T10] __sys_sendmsg+0xcd/0x170 [ 7372.722766][ T10] do_syscall_64+0xc6/0x1e0 [ 7372.722766][ T10] [ 7372.725246][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7372.725246][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7372.725246][ T10] ipv6_find_idev+0x102/0x170 [ 7372.725246][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7372.725246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7372.725246][ T10] netlink_rcv_skb+0x130/0x360 [ 7372.725246][ T10] netlink_unicast+0x449/0x710 [ 7372.725246][ T10] netlink_sendmsg+0x723/0xbe0 [ 7372.725246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7372.725246][ T10] ___sys_sendmsg+0xee/0x170 [ 7372.725246][ T10] __sys_sendmsg+0xcd/0x170 [ 7372.725246][ T10] do_syscall_64+0xc6/0x1e0 [ 7372.725246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7372.725246][ T10] [ 7372.727155][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7372.727155][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7372.727155][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7372.727155][ T10] ipv6_find_idev+0x102/0x170 [ 7372.727155][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7372.727155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7372.727155][ T10] netlink_rcv_skb+0x130/0x360 [ 7372.727155][ T10] netlink_unicast+0x449/0x710 [ 7372.727155][ T10] netlink_sendmsg+0x723/0xbe0 [ 7372.727155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7372.727155][ T10] ___sys_sendmsg+0xee/0x170 [ 7372.727155][ T10] __sys_sendmsg+0xcd/0x170 [ 7372.727155][ T10] do_syscall_64+0xc6/0x1e0 [ 7372.727155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7372.727155][ T10] [ 7372.729310][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7372.729576][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7372.729576][ T10] netdev_get_by_index+0x5e/0x80 [ 7372.729576][ T10] fib6_nh_init+0x3d8/0x1580 [ 7372.729576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7372.729576][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7372.729576][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7372.729576][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7372.729576][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7372.729576][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7372.729576][ T10] addrconf_dad_begin+0x310/0x670 [ 7372.729576][ T10] addrconf_dad_work+0x10b/0xab0 [ 7372.729576][ T10] process_one_work+0x84d/0x18a0 [ 7372.729576][ T10] worker_thread+0x587/0xd30 [ 7372.729576][ T10] kthread+0x28a/0x350 [ 7372.729576][ T10] ret_from_fork+0x31/0x70 [ 7372.729576][ T10] ret_from_fork_asm+0x1a/0x30 [ 7372.729576][ T10] [ 7372.732002][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7372.732002][ T10] netdev_get_by_index+0x5e/0x80 [ 7372.732002][ T10] fib6_nh_init+0x3d8/0x1580 [ 7372.732002][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7372.732002][ T10] ip6_route_add+0x1c/0x140 [ 7372.732002][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7372.732002][ T10] inet6_addr_add+0x4f8/0xa40 [ 7372.732002][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7372.732002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7372.732002][ T10] netlink_rcv_skb+0x130/0x360 [ 7372.732002][ T10] netlink_unicast+0x449/0x710 [ 7372.732002][ T10] netlink_sendmsg+0x723/0xbe0 [ 7372.732002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7372.732002][ T10] ___sys_sendmsg+0xee/0x170 [ 7372.732002][ T10] __sys_sendmsg+0xcd/0x170 [ 7372.732002][ T10] do_syscall_64+0xc6/0x1e0 [ 7372.732002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7372.732002][ T10] [ 7372.734525][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7372.734525][ T10] netdev_get_by_index+0x5e/0x80 [ 7372.734525][ T10] fib6_nh_init+0x3d8/0x1580 [ 7372.734525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7372.734525][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7372.734525][ T10] ipv6_add_addr+0x411/0x2000 [ 7372.734525][ T10] inet6_addr_add+0x30e/0xa40 [ 7372.734525][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7372.734525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7372.734525][ T10] netlink_rcv_skb+0x130/0x360 [ 7372.734525][ T10] netlink_unicast+0x449/0x710 [ 7372.734525][ T10] netlink_sendmsg+0x723/0xbe0 [ 7372.734525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7372.734525][ T10] ___sys_sendmsg+0xee/0x170 [ 7372.734525][ T10] __sys_sendmsg+0xcd/0x170 [ 7372.734525][ T10] do_syscall_64+0xc6/0x1e0 [ 7372.734525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7372.734525][ T10] [ 7372.737036][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7372.737036][ T10] netdev_get_by_index+0x5e/0x80 [ 7372.737036][ T10] fib6_nh_init+0x3d8/0x1580 [ 7372.737036][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7372.737036][ T10] ip6_route_add+0x1c/0x140 [ 7372.737036][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7372.737036][ T10] addrconf_add_dev+0xe2/0x170 [ 7372.737036][ T10] inet6_addr_add+0x12f/0xa40 [ 7372.737036][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7372.737036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7372.737036][ T10] netlink_rcv_skb+0x130/0x360 [ 7372.737036][ T10] netlink_unicast+0x449/0x710 [ 7372.737036][ T10] netlink_sendmsg+0x723/0xbe0 [ 7372.737036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7372.737036][ T10] ___sys_sendmsg+0xee/0x170 [ 7372.737036][ T10] __sys_sendmsg+0xcd/0x170 [ 7372.737036][ T10] do_syscall_64+0xc6/0x1e0 [ 7372.737036][ T10] [ 7372.739520][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7372.739520][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7372.739520][ T10] ipv6_find_idev+0x102/0x170 [ 7372.739520][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7372.739520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7372.739520][ T10] netlink_rcv_skb+0x130/0x360 [ 7372.739520][ T10] netlink_unicast+0x449/0x710 [ 7372.739520][ T10] netlink_sendmsg+0x723/0xbe0 [ 7372.739520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7372.739520][ T10] ___sys_sendmsg+0xee/0x170 [ 7372.739520][ T10] __sys_sendmsg+0xcd/0x170 [ 7372.739520][ T10] do_syscall_64+0xc6/0x1e0 [ 7372.739520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7372.739520][ T10] [ 7372.741446][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7372.741446][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7372.741446][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7372.741446][ T10] ipv6_find_idev+0x102/0x170 [ 7372.741446][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7372.741446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7372.741446][ T10] netlink_rcv_skb+0x130/0x360 [ 7372.741446][ T10] netlink_unicast+0x449/0x710 [ 7372.741446][ T10] netlink_sendmsg+0x723/0xbe0 [ 7372.741446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7372.741446][ T10] ___sys_sendmsg+0xee/0x170 [ 7372.741446][ T10] __sys_sendmsg+0xcd/0x170 [ 7372.741446][ T10] do_syscall_64+0xc6/0x1e0 [ 7372.741446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7372.741446][ T10] [ 7376.785124][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7376.785624][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7376.785624][ T1167] dst_init+0x84/0x4a0 [ 7376.785624][ T1167] dst_alloc+0x97/0x150 [ 7376.785624][ T1167] ip6_dst_alloc+0x23/0x90 [ 7376.785624][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7376.785624][ T1167] ip6_pol_route+0x56f/0x840 [ 7376.785624][ T1167] fib6_rule_lookup+0x334/0x630 [ 7376.785624][ T1167] ip6_route_output_flags+0x259/0x480 [ 7376.785624][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7376.785624][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7376.785624][ T1167] netlink_rcv_skb+0x130/0x360 [ 7376.785624][ T1167] netlink_unicast+0x449/0x710 [ 7376.785624][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7376.785624][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7376.785624][ T1167] ___sys_sendmsg+0xee/0x170 [ 7376.785624][ T1167] __sys_sendmsg+0xcd/0x170 [ 7376.785624][ T1167] do_syscall_64+0xc6/0x1e0 [ 7376.785624][ T1167] [ 7376.787863][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7376.787863][ T1167] netdev_get_by_index+0x5e/0x80 [ 7376.787863][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7376.787863][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7376.787863][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7376.787863][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7376.787863][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7376.787863][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7376.787863][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7376.787863][ T1167] addrconf_dad_begin+0x310/0x670 [ 7376.787863][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7376.787863][ T1167] process_one_work+0x84d/0x18a0 [ 7376.787863][ T1167] worker_thread+0x587/0xd30 [ 7376.787863][ T1167] kthread+0x28a/0x350 [ 7376.787863][ T1167] ret_from_fork+0x31/0x70 [ 7376.787863][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7376.787863][ T1167] [ 7376.790042][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7376.790042][ T1167] netdev_get_by_index+0x5e/0x80 [ 7376.790042][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7376.790042][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7376.790042][ T1167] ip6_route_add+0x1c/0x140 [ 7376.790042][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7376.790042][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7376.790042][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7376.790042][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7376.790042][ T1167] netlink_rcv_skb+0x130/0x360 [ 7376.790042][ T1167] netlink_unicast+0x449/0x710 [ 7376.790042][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7376.790042][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7376.790042][ T1167] ___sys_sendmsg+0xee/0x170 [ 7376.790042][ T1167] __sys_sendmsg+0xcd/0x170 [ 7376.790042][ T1167] do_syscall_64+0xc6/0x1e0 [ 7376.790042][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7376.790042][ T1167] [ 7376.792304][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7376.792304][ T1167] netdev_get_by_index+0x5e/0x80 [ 7376.792304][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7376.792304][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7376.792304][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7376.792304][ T1167] ipv6_add_addr+0x411/0x2000 [ 7376.792304][ T1167] inet6_addr_add+0x30e/0xa40 [ 7376.792304][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7376.792304][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7376.792304][ T1167] netlink_rcv_skb+0x130/0x360 [ 7376.792304][ T1167] netlink_unicast+0x449/0x710 [ 7376.792304][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7376.792304][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7376.792304][ T1167] ___sys_sendmsg+0xee/0x170 [ 7376.792304][ T1167] __sys_sendmsg+0xcd/0x170 [ 7376.792304][ T1167] do_syscall_64+0xc6/0x1e0 [ 7376.792304][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7376.792304][ T1167] [ 7376.794602][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7376.794602][ T1167] netdev_get_by_index+0x5e/0x80 [ 7376.794602][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7376.794602][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7376.794602][ T1167] ip6_route_add+0x1c/0x140 [ 7376.794602][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7376.794602][ T1167] addrconf_add_dev+0xe2/0x170 [ 7376.794602][ T1167] inet6_addr_add+0x12f/0xa40 [ 7376.794602][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7376.794602][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7376.794602][ T1167] netlink_rcv_skb+0x130/0x360 [ 7376.794602][ T1167] netlink_unicast+0x449/0x710 [ 7376.794602][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7376.794602][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7376.794602][ T1167] ___sys_sendmsg+0xee/0x170 [ 7376.794602][ T1167] __sys_sendmsg+0xcd/0x170 [ 7376.794602][ T1167] do_syscall_64+0xc6/0x1e0 [ 7376.794602][ T1167] [ 7376.796822][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7376.796822][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7376.796822][ T1167] ipv6_find_idev+0x102/0x170 [ 7376.796822][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7376.796822][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7376.796822][ T1167] netlink_rcv_skb+0x130/0x360 [ 7376.796822][ T1167] netlink_unicast+0x449/0x710 [ 7376.796822][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7376.796822][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7376.796822][ T1167] ___sys_sendmsg+0xee/0x170 [ 7376.796822][ T1167] __sys_sendmsg+0xcd/0x170 [ 7376.796822][ T1167] do_syscall_64+0xc6/0x1e0 [ 7376.796822][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7376.796822][ T1167] [ 7376.798572][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7376.798572][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7376.798572][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7376.798572][ T1167] ipv6_find_idev+0x102/0x170 [ 7376.798572][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7376.798572][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7376.798572][ T1167] netlink_rcv_skb+0x130/0x360 [ 7376.798572][ T1167] netlink_unicast+0x449/0x710 [ 7376.798572][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7376.798572][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7376.798572][ T1167] ___sys_sendmsg+0xee/0x170 [ 7376.798572][ T1167] __sys_sendmsg+0xcd/0x170 [ 7376.798572][ T1167] do_syscall_64+0xc6/0x1e0 [ 7376.798572][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7376.798572][ T1167] [ 7382.985102][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7382.985593][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7382.985593][ T10] netdev_get_by_index+0x5e/0x80 [ 7382.985593][ T10] fib6_nh_init+0x3d8/0x1580 [ 7382.985593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7382.985593][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7382.985593][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7382.985593][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7382.985593][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7382.985593][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7382.985593][ T10] addrconf_dad_begin+0x310/0x670 [ 7382.985593][ T10] addrconf_dad_work+0x10b/0xab0 [ 7382.985593][ T10] process_one_work+0x84d/0x18a0 [ 7382.985593][ T10] worker_thread+0x587/0xd30 [ 7382.985593][ T10] kthread+0x28a/0x350 [ 7382.985593][ T10] ret_from_fork+0x31/0x70 [ 7382.985593][ T10] ret_from_fork_asm+0x1a/0x30 [ 7382.985593][ T10] [ 7382.987789][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7382.987789][ T10] netdev_get_by_index+0x5e/0x80 [ 7382.987789][ T10] fib6_nh_init+0x3d8/0x1580 [ 7382.987789][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7382.987789][ T10] ip6_route_add+0x1c/0x140 [ 7382.987789][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7382.987789][ T10] inet6_addr_add+0x4f8/0xa40 [ 7382.987789][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7382.987789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7382.987789][ T10] netlink_rcv_skb+0x130/0x360 [ 7382.987789][ T10] netlink_unicast+0x449/0x710 [ 7382.987789][ T10] netlink_sendmsg+0x723/0xbe0 [ 7382.987789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7382.987789][ T10] ___sys_sendmsg+0xee/0x170 [ 7382.987789][ T10] __sys_sendmsg+0xcd/0x170 [ 7382.987789][ T10] do_syscall_64+0xc6/0x1e0 [ 7382.987789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7382.987789][ T10] [ 7382.990068][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7382.990068][ T10] netdev_get_by_index+0x5e/0x80 [ 7382.990068][ T10] fib6_nh_init+0x3d8/0x1580 [ 7382.990068][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7382.990068][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7382.990068][ T10] ipv6_add_addr+0x411/0x2000 [ 7382.990068][ T10] inet6_addr_add+0x30e/0xa40 [ 7382.990068][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7382.990068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7382.990068][ T10] netlink_rcv_skb+0x130/0x360 [ 7382.990068][ T10] netlink_unicast+0x449/0x710 [ 7382.990068][ T10] netlink_sendmsg+0x723/0xbe0 [ 7382.990068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7382.990068][ T10] ___sys_sendmsg+0xee/0x170 [ 7382.990068][ T10] __sys_sendmsg+0xcd/0x170 [ 7382.990068][ T10] do_syscall_64+0xc6/0x1e0 [ 7382.990068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7382.990068][ T10] [ 7382.992336][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7382.992336][ T10] netdev_get_by_index+0x5e/0x80 [ 7382.992336][ T10] fib6_nh_init+0x3d8/0x1580 [ 7382.992336][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7382.992336][ T10] ip6_route_add+0x1c/0x140 [ 7382.992336][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7382.992336][ T10] addrconf_add_dev+0xe2/0x170 [ 7382.992336][ T10] inet6_addr_add+0x12f/0xa40 [ 7382.992336][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7382.992336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7382.992336][ T10] netlink_rcv_skb+0x130/0x360 [ 7382.992336][ T10] netlink_unicast+0x449/0x710 [ 7382.992336][ T10] netlink_sendmsg+0x723/0xbe0 [ 7382.992336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7382.992336][ T10] ___sys_sendmsg+0xee/0x170 [ 7382.992336][ T10] __sys_sendmsg+0xcd/0x170 [ 7382.992336][ T10] do_syscall_64+0xc6/0x1e0 [ 7382.992336][ T10] [ 7382.994568][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7382.994568][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7382.994568][ T10] ipv6_find_idev+0x102/0x170 [ 7382.994568][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7382.994568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7382.994568][ T10] netlink_rcv_skb+0x130/0x360 [ 7382.994568][ T10] netlink_unicast+0x449/0x710 [ 7382.994568][ T10] netlink_sendmsg+0x723/0xbe0 [ 7382.994568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7382.994568][ T10] ___sys_sendmsg+0xee/0x170 [ 7382.994568][ T10] __sys_sendmsg+0xcd/0x170 [ 7382.994568][ T10] do_syscall_64+0xc6/0x1e0 [ 7382.994568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7382.994568][ T10] [ 7382.996330][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7382.996330][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7382.996330][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7382.996330][ T10] ipv6_find_idev+0x102/0x170 [ 7382.996330][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7382.996330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7382.996330][ T10] netlink_rcv_skb+0x130/0x360 [ 7382.996330][ T10] netlink_unicast+0x449/0x710 [ 7382.996330][ T10] netlink_sendmsg+0x723/0xbe0 [ 7382.996330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7382.996330][ T10] ___sys_sendmsg+0xee/0x170 [ 7382.996330][ T10] __sys_sendmsg+0xcd/0x170 [ 7382.996330][ T10] do_syscall_64+0xc6/0x1e0 [ 7382.996330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7382.996330][ T10] [ 7382.998269][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7382.998540][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7382.998540][ T10] netdev_get_by_index+0x5e/0x80 [ 7382.998540][ T10] fib6_nh_init+0x3d8/0x1580 [ 7382.998540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7382.998540][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7382.998540][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7382.998540][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7382.998540][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7382.998540][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7382.998540][ T10] addrconf_dad_begin+0x310/0x670 [ 7382.998540][ T10] addrconf_dad_work+0x10b/0xab0 [ 7382.998540][ T10] process_one_work+0x84d/0x18a0 [ 7382.998540][ T10] worker_thread+0x587/0xd30 [ 7382.998540][ T10] kthread+0x28a/0x350 [ 7382.998540][ T10] ret_from_fork+0x31/0x70 [ 7382.998540][ T10] ret_from_fork_asm+0x1a/0x30 [ 7382.998540][ T10] [ 7383.000705][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7383.000705][ T10] netdev_get_by_index+0x5e/0x80 [ 7383.000705][ T10] fib6_nh_init+0x3d8/0x1580 [ 7383.000705][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7383.000705][ T10] ip6_route_add+0x1c/0x140 [ 7383.000705][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7383.000705][ T10] inet6_addr_add+0x4f8/0xa40 [ 7383.000705][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7383.000705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7383.000705][ T10] netlink_rcv_skb+0x130/0x360 [ 7383.000705][ T10] netlink_unicast+0x449/0x710 [ 7383.000705][ T10] netlink_sendmsg+0x723/0xbe0 [ 7383.000705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7383.000705][ T10] ___sys_sendmsg+0xee/0x170 [ 7383.000705][ T10] __sys_sendmsg+0xcd/0x170 [ 7383.000705][ T10] do_syscall_64+0xc6/0x1e0 [ 7383.000705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7383.000705][ T10] [ 7383.002994][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7383.002994][ T10] netdev_get_by_index+0x5e/0x80 [ 7383.002994][ T10] fib6_nh_init+0x3d8/0x1580 [ 7383.002994][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7383.002994][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7383.002994][ T10] ipv6_add_addr+0x411/0x2000 [ 7383.002994][ T10] inet6_addr_add+0x30e/0xa40 [ 7383.002994][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7383.002994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7383.002994][ T10] netlink_rcv_skb+0x130/0x360 [ 7383.002994][ T10] netlink_unicast+0x449/0x710 [ 7383.002994][ T10] netlink_sendmsg+0x723/0xbe0 [ 7383.002994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7383.002994][ T10] ___sys_sendmsg+0xee/0x170 [ 7383.002994][ T10] __sys_sendmsg+0xcd/0x170 [ 7383.002994][ T10] do_syscall_64+0xc6/0x1e0 [ 7383.002994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7383.002994][ T10] [ 7383.005274][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7383.005274][ T10] netdev_get_by_index+0x5e/0x80 [ 7383.005274][ T10] fib6_nh_init+0x3d8/0x1580 [ 7383.005274][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7383.005274][ T10] ip6_route_add+0x1c/0x140 [ 7383.005274][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7383.005274][ T10] addrconf_add_dev+0xe2/0x170 [ 7383.005274][ T10] inet6_addr_add+0x12f/0xa40 [ 7383.005274][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7383.005274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7383.005274][ T10] netlink_rcv_skb+0x130/0x360 [ 7383.005274][ T10] netlink_unicast+0x449/0x710 [ 7383.005274][ T10] netlink_sendmsg+0x723/0xbe0 [ 7383.005274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7383.005274][ T10] ___sys_sendmsg+0xee/0x170 [ 7383.005274][ T10] __sys_sendmsg+0xcd/0x170 [ 7383.005274][ T10] do_syscall_64+0xc6/0x1e0 [ 7383.005274][ T10] [ 7383.007517][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7383.007517][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7383.007517][ T10] ipv6_find_idev+0x102/0x170 [ 7383.007517][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7383.007517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7383.007517][ T10] netlink_rcv_skb+0x130/0x360 [ 7383.007517][ T10] netlink_unicast+0x449/0x710 [ 7383.007517][ T10] netlink_sendmsg+0x723/0xbe0 [ 7383.007517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7383.007517][ T10] ___sys_sendmsg+0xee/0x170 [ 7383.007517][ T10] __sys_sendmsg+0xcd/0x170 [ 7383.007517][ T10] do_syscall_64+0xc6/0x1e0 [ 7383.007517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7383.007517][ T10] [ 7383.009259][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7383.009259][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7383.009259][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7383.009259][ T10] ipv6_find_idev+0x102/0x170 [ 7383.009259][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7383.009259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7383.009259][ T10] netlink_rcv_skb+0x130/0x360 [ 7383.009259][ T10] netlink_unicast+0x449/0x710 [ 7383.009259][ T10] netlink_sendmsg+0x723/0xbe0 [ 7383.009259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7383.009259][ T10] ___sys_sendmsg+0xee/0x170 [ 7383.009259][ T10] __sys_sendmsg+0xcd/0x170 [ 7383.009259][ T10] do_syscall_64+0xc6/0x1e0 [ 7383.009259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7383.009259][ T10] [ 7383.011184][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7383.011456][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7383.011456][ T10] netdev_get_by_index+0x5e/0x80 [ 7383.011456][ T10] fib6_nh_init+0x3d8/0x1580 [ 7383.011456][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7383.011456][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7383.011456][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7383.011456][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7383.011456][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7383.011456][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7383.011456][ T10] addrconf_dad_begin+0x310/0x670 [ 7383.011456][ T10] addrconf_dad_work+0x10b/0xab0 [ 7383.011456][ T10] process_one_work+0x84d/0x18a0 [ 7383.011456][ T10] worker_thread+0x587/0xd30 [ 7383.011456][ T10] kthread+0x28a/0x350 [ 7383.011456][ T10] ret_from_fork+0x31/0x70 [ 7383.011456][ T10] ret_from_fork_asm+0x1a/0x30 [ 7383.011456][ T10] [ 7383.013629][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7383.013629][ T10] netdev_get_by_index+0x5e/0x80 [ 7383.013629][ T10] fib6_nh_init+0x3d8/0x1580 [ 7383.013629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7383.013629][ T10] ip6_route_add+0x1c/0x140 [ 7383.013629][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7383.013629][ T10] inet6_addr_add+0x4f8/0xa40 [ 7383.013629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7383.013629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7383.013629][ T10] netlink_rcv_skb+0x130/0x360 [ 7383.013629][ T10] netlink_unicast+0x449/0x710 [ 7383.013629][ T10] netlink_sendmsg+0x723/0xbe0 [ 7383.013629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7383.013629][ T10] ___sys_sendmsg+0xee/0x170 [ 7383.013629][ T10] __sys_sendmsg+0xcd/0x170 [ 7383.013629][ T10] do_syscall_64+0xc6/0x1e0 [ 7383.013629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7383.013629][ T10] [ 7383.016076][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7383.016076][ T10] netdev_get_by_index+0x5e/0x80 [ 7383.016076][ T10] fib6_nh_init+0x3d8/0x1580 [ 7383.016076][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7383.016076][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7383.016076][ T10] ipv6_add_addr+0x411/0x2000 [ 7383.016076][ T10] inet6_addr_add+0x30e/0xa40 [ 7383.016076][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7383.016076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7383.016076][ T10] netlink_rcv_skb+0x130/0x360 [ 7383.016076][ T10] netlink_unicast+0x449/0x710 [ 7383.016076][ T10] netlink_sendmsg+0x723/0xbe0 [ 7383.016076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7383.016076][ T10] ___sys_sendmsg+0xee/0x170 [ 7383.016076][ T10] __sys_sendmsg+0xcd/0x170 [ 7383.016076][ T10] do_syscall_64+0xc6/0x1e0 [ 7383.016076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7383.016076][ T10] [ 7383.018591][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7383.018591][ T10] netdev_get_by_index+0x5e/0x80 [ 7383.018591][ T10] fib6_nh_init+0x3d8/0x1580 [ 7383.018591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7383.018591][ T10] ip6_route_add+0x1c/0x140 [ 7383.018591][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7383.018591][ T10] addrconf_add_dev+0xe2/0x170 [ 7383.018591][ T10] inet6_addr_add+0x12f/0xa40 [ 7383.018591][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7383.018591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7383.018591][ T10] netlink_rcv_skb+0x130/0x360 [ 7383.018591][ T10] netlink_unicast+0x449/0x710 [ 7383.018591][ T10] netlink_sendmsg+0x723/0xbe0 [ 7383.018591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7383.018591][ T10] ___sys_sendmsg+0xee/0x170 [ 7383.018591][ T10] __sys_sendmsg+0xcd/0x170 [ 7383.018591][ T10] do_syscall_64+0xc6/0x1e0 [ 7383.018591][ T10] [ 7383.021076][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7383.021076][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7383.021076][ T10] ipv6_find_idev+0x102/0x170 [ 7383.021076][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7383.021076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7383.021076][ T10] netlink_rcv_skb+0x130/0x360 [ 7383.021076][ T10] netlink_unicast+0x449/0x710 [ 7383.021076][ T10] netlink_sendmsg+0x723/0xbe0 [ 7383.021076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7383.021076][ T10] ___sys_sendmsg+0xee/0x170 [ 7383.021076][ T10] __sys_sendmsg+0xcd/0x170 [ 7383.021076][ T10] do_syscall_64+0xc6/0x1e0 [ 7383.021076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7383.021076][ T10] [ 7383.023065][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7383.023065][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7383.023065][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7383.023065][ T10] ipv6_find_idev+0x102/0x170 [ 7383.023065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7383.023065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7383.023065][ T10] netlink_rcv_skb+0x130/0x360 [ 7383.023065][ T10] netlink_unicast+0x449/0x710 [ 7383.023065][ T10] netlink_sendmsg+0x723/0xbe0 [ 7383.023065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7383.023065][ T10] ___sys_sendmsg+0xee/0x170 [ 7383.023065][ T10] __sys_sendmsg+0xcd/0x170 [ 7383.023065][ T10] do_syscall_64+0xc6/0x1e0 [ 7383.023065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7383.023065][ T10] [ 7383.025163][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7383.025428][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7383.025428][ T10] netdev_get_by_index+0x5e/0x80 [ 7383.025428][ T10] fib6_nh_init+0x3d8/0x1580 [ 7383.025428][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7383.025428][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7383.025428][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7383.025428][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7383.025428][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7383.025428][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7383.025428][ T10] addrconf_dad_begin+0x310/0x670 [ 7383.025428][ T10] addrconf_dad_work+0x10b/0xab0 [ 7383.025428][ T10] process_one_work+0x84d/0x18a0 [ 7383.025428][ T10] worker_thread+0x587/0xd30 [ 7383.025428][ T10] kthread+0x28a/0x350 [ 7383.025428][ T10] ret_from_fork+0x31/0x70 [ 7383.025428][ T10] ret_from_fork_asm+0x1a/0x30 [ 7383.025428][ T10] [ 7383.027826][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7383.027826][ T10] netdev_get_by_index+0x5e/0x80 [ 7383.027826][ T10] fib6_nh_init+0x3d8/0x1580 [ 7383.027826][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7383.027826][ T10] ip6_route_add+0x1c/0x140 [ 7383.027826][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7383.027826][ T10] inet6_addr_add+0x4f8/0xa40 [ 7383.027826][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7383.027826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7383.027826][ T10] netlink_rcv_skb+0x130/0x360 [ 7383.027826][ T10] netlink_unicast+0x449/0x710 [ 7383.027826][ T10] netlink_sendmsg+0x723/0xbe0 [ 7383.027826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7383.027826][ T10] ___sys_sendmsg+0xee/0x170 [ 7383.027826][ T10] __sys_sendmsg+0xcd/0x170 [ 7383.027826][ T10] do_syscall_64+0xc6/0x1e0 [ 7383.027826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7383.027826][ T10] [ 7383.030352][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7383.030352][ T10] netdev_get_by_index+0x5e/0x80 [ 7383.030352][ T10] fib6_nh_init+0x3d8/0x1580 [ 7383.030352][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7383.030352][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7383.030352][ T10] ipv6_add_addr+0x411/0x2000 [ 7383.030352][ T10] inet6_addr_add+0x30e/0xa40 [ 7383.030352][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7383.030352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7383.030352][ T10] netlink_rcv_skb+0x130/0x360 [ 7383.030352][ T10] netlink_unicast+0x449/0x710 [ 7383.030352][ T10] netlink_sendmsg+0x723/0xbe0 [ 7383.030352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7383.030352][ T10] ___sys_sendmsg+0xee/0x170 [ 7383.030352][ T10] __sys_sendmsg+0xcd/0x170 [ 7383.030352][ T10] do_syscall_64+0xc6/0x1e0 [ 7383.030352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7383.030352][ T10] [ 7383.032922][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7383.032922][ T10] netdev_get_by_index+0x5e/0x80 [ 7383.032922][ T10] fib6_nh_init+0x3d8/0x1580 [ 7383.032922][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7383.032922][ T10] ip6_route_add+0x1c/0x140 [ 7383.032922][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7383.032922][ T10] addrconf_add_dev+0xe2/0x170 [ 7383.032922][ T10] inet6_addr_add+0x12f/0xa40 [ 7383.032922][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7383.032922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7383.032922][ T10] netlink_rcv_skb+0x130/0x360 [ 7383.032922][ T10] netlink_unicast+0x449/0x710 [ 7383.032922][ T10] netlink_sendmsg+0x723/0xbe0 [ 7383.032922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7383.032922][ T10] ___sys_sendmsg+0xee/0x170 [ 7383.032922][ T10] __sys_sendmsg+0xcd/0x170 [ 7383.032922][ T10] do_syscall_64+0xc6/0x1e0 [ 7383.032922][ T10] [ 7383.035332][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7383.035332][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7383.035332][ T10] ipv6_find_idev+0x102/0x170 [ 7383.035332][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7383.035332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7383.035332][ T10] netlink_rcv_skb+0x130/0x360 [ 7383.035332][ T10] netlink_unicast+0x449/0x710 [ 7383.035332][ T10] netlink_sendmsg+0x723/0xbe0 [ 7383.035332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7383.035332][ T10] ___sys_sendmsg+0xee/0x170 [ 7383.035332][ T10] __sys_sendmsg+0xcd/0x170 [ 7383.035332][ T10] do_syscall_64+0xc6/0x1e0 [ 7383.035332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7383.035332][ T10] [ 7383.037271][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7383.037271][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7383.037271][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7383.037271][ T10] ipv6_find_idev+0x102/0x170 [ 7383.037271][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7383.037271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7383.037271][ T10] netlink_rcv_skb+0x130/0x360 [ 7383.037271][ T10] netlink_unicast+0x449/0x710 [ 7383.037271][ T10] netlink_sendmsg+0x723/0xbe0 [ 7383.037271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7383.037271][ T10] ___sys_sendmsg+0xee/0x170 [ 7383.037271][ T10] __sys_sendmsg+0xcd/0x170 [ 7383.037271][ T10] do_syscall_64+0xc6/0x1e0 [ 7383.037271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7383.037271][ T10] [ 7387.041111][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7387.041604][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7387.041604][ T1167] dst_init+0x84/0x4a0 [ 7387.041604][ T1167] dst_alloc+0x97/0x150 [ 7387.041604][ T1167] ip6_dst_alloc+0x23/0x90 [ 7387.041604][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7387.041604][ T1167] ip6_pol_route+0x56f/0x840 [ 7387.041604][ T1167] fib6_rule_lookup+0x334/0x630 [ 7387.041604][ T1167] ip6_route_output_flags+0x259/0x480 [ 7387.041604][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7387.041604][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7387.041604][ T1167] netlink_rcv_skb+0x130/0x360 [ 7387.041604][ T1167] netlink_unicast+0x449/0x710 [ 7387.041604][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7387.041604][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7387.041604][ T1167] ___sys_sendmsg+0xee/0x170 [ 7387.041604][ T1167] __sys_sendmsg+0xcd/0x170 [ 7387.041604][ T1167] do_syscall_64+0xc6/0x1e0 [ 7387.041604][ T1167] [ 7387.043846][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7387.043846][ T1167] netdev_get_by_index+0x5e/0x80 [ 7387.043846][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7387.043846][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7387.043846][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7387.043846][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7387.043846][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7387.043846][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7387.043846][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7387.043846][ T1167] addrconf_dad_begin+0x310/0x670 [ 7387.043846][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7387.043846][ T1167] process_one_work+0x84d/0x18a0 [ 7387.043846][ T1167] worker_thread+0x587/0xd30 [ 7387.043846][ T1167] kthread+0x28a/0x350 [ 7387.043846][ T1167] ret_from_fork+0x31/0x70 [ 7387.043846][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7387.043846][ T1167] [ 7387.046021][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7387.046021][ T1167] netdev_get_by_index+0x5e/0x80 [ 7387.046021][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7387.046021][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7387.046021][ T1167] ip6_route_add+0x1c/0x140 [ 7387.046021][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7387.046021][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7387.046021][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7387.046021][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7387.046021][ T1167] netlink_rcv_skb+0x130/0x360 [ 7387.046021][ T1167] netlink_unicast+0x449/0x710 [ 7387.046021][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7387.046021][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7387.046021][ T1167] ___sys_sendmsg+0xee/0x170 [ 7387.046021][ T1167] __sys_sendmsg+0xcd/0x170 [ 7387.046021][ T1167] do_syscall_64+0xc6/0x1e0 [ 7387.046021][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7387.046021][ T1167] [ 7387.048287][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7387.048287][ T1167] netdev_get_by_index+0x5e/0x80 [ 7387.048287][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7387.048287][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7387.048287][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7387.048287][ T1167] ipv6_add_addr+0x411/0x2000 [ 7387.048287][ T1167] inet6_addr_add+0x30e/0xa40 [ 7387.048287][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7387.048287][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7387.048287][ T1167] netlink_rcv_skb+0x130/0x360 [ 7387.048287][ T1167] netlink_unicast+0x449/0x710 [ 7387.048287][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7387.048287][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7387.048287][ T1167] ___sys_sendmsg+0xee/0x170 [ 7387.048287][ T1167] __sys_sendmsg+0xcd/0x170 [ 7387.048287][ T1167] do_syscall_64+0xc6/0x1e0 [ 7387.048287][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7387.048287][ T1167] [ 7387.050557][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7387.050557][ T1167] netdev_get_by_index+0x5e/0x80 [ 7387.050557][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7387.050557][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7387.050557][ T1167] ip6_route_add+0x1c/0x140 [ 7387.050557][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7387.050557][ T1167] addrconf_add_dev+0xe2/0x170 [ 7387.050557][ T1167] inet6_addr_add+0x12f/0xa40 [ 7387.050557][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7387.050557][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7387.050557][ T1167] netlink_rcv_skb+0x130/0x360 [ 7387.050557][ T1167] netlink_unicast+0x449/0x710 [ 7387.050557][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7387.050557][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7387.050557][ T1167] ___sys_sendmsg+0xee/0x170 [ 7387.050557][ T1167] __sys_sendmsg+0xcd/0x170 [ 7387.050557][ T1167] do_syscall_64+0xc6/0x1e0 [ 7387.050557][ T1167] [ 7387.052786][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7387.052786][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7387.052786][ T1167] ipv6_find_idev+0x102/0x170 [ 7387.052786][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7387.052786][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7387.052786][ T1167] netlink_rcv_skb+0x130/0x360 [ 7387.052786][ T1167] netlink_unicast+0x449/0x710 [ 7387.052786][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7387.052786][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7387.052786][ T1167] ___sys_sendmsg+0xee/0x170 [ 7387.052786][ T1167] __sys_sendmsg+0xcd/0x170 [ 7387.052786][ T1167] do_syscall_64+0xc6/0x1e0 [ 7387.052786][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7387.052786][ T1167] [ 7387.054546][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7387.054546][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7387.054546][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7387.054546][ T1167] ipv6_find_idev+0x102/0x170 [ 7387.054546][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7387.054546][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7387.054546][ T1167] netlink_rcv_skb+0x130/0x360 [ 7387.054546][ T1167] netlink_unicast+0x449/0x710 [ 7387.054546][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7387.054546][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7387.054546][ T1167] ___sys_sendmsg+0xee/0x170 [ 7387.054546][ T1167] __sys_sendmsg+0xcd/0x170 [ 7387.054546][ T1167] do_syscall_64+0xc6/0x1e0 [ 7387.054546][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7387.054546][ T1167] [ 7393.281129][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7393.281618][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7393.281618][ T10] netdev_get_by_index+0x5e/0x80 [ 7393.281618][ T10] fib6_nh_init+0x3d8/0x1580 [ 7393.281618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7393.281618][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7393.281618][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7393.281618][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7393.281618][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7393.281618][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7393.281618][ T10] addrconf_dad_begin+0x310/0x670 [ 7393.281618][ T10] addrconf_dad_work+0x10b/0xab0 [ 7393.281618][ T10] process_one_work+0x84d/0x18a0 [ 7393.281618][ T10] worker_thread+0x587/0xd30 [ 7393.281618][ T10] kthread+0x28a/0x350 [ 7393.281618][ T10] ret_from_fork+0x31/0x70 [ 7393.281618][ T10] ret_from_fork_asm+0x1a/0x30 [ 7393.281618][ T10] [ 7393.283828][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7393.283828][ T10] netdev_get_by_index+0x5e/0x80 [ 7393.283828][ T10] fib6_nh_init+0x3d8/0x1580 [ 7393.283828][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7393.283828][ T10] ip6_route_add+0x1c/0x140 [ 7393.283828][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7393.283828][ T10] inet6_addr_add+0x4f8/0xa40 [ 7393.283828][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7393.283828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7393.283828][ T10] netlink_rcv_skb+0x130/0x360 [ 7393.283828][ T10] netlink_unicast+0x449/0x710 [ 7393.283828][ T10] netlink_sendmsg+0x723/0xbe0 [ 7393.283828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7393.283828][ T10] ___sys_sendmsg+0xee/0x170 [ 7393.283828][ T10] __sys_sendmsg+0xcd/0x170 [ 7393.283828][ T10] do_syscall_64+0xc6/0x1e0 [ 7393.283828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7393.283828][ T10] [ 7393.286100][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7393.286100][ T10] netdev_get_by_index+0x5e/0x80 [ 7393.286100][ T10] fib6_nh_init+0x3d8/0x1580 [ 7393.286100][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7393.286100][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7393.286100][ T10] ipv6_add_addr+0x411/0x2000 [ 7393.286100][ T10] inet6_addr_add+0x30e/0xa40 [ 7393.286100][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7393.286100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7393.286100][ T10] netlink_rcv_skb+0x130/0x360 [ 7393.286100][ T10] netlink_unicast+0x449/0x710 [ 7393.286100][ T10] netlink_sendmsg+0x723/0xbe0 [ 7393.286100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7393.286100][ T10] ___sys_sendmsg+0xee/0x170 [ 7393.286100][ T10] __sys_sendmsg+0xcd/0x170 [ 7393.286100][ T10] do_syscall_64+0xc6/0x1e0 [ 7393.286100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7393.286100][ T10] [ 7393.288389][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7393.288389][ T10] netdev_get_by_index+0x5e/0x80 [ 7393.288389][ T10] fib6_nh_init+0x3d8/0x1580 [ 7393.288389][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7393.288389][ T10] ip6_route_add+0x1c/0x140 [ 7393.288389][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7393.288389][ T10] addrconf_add_dev+0xe2/0x170 [ 7393.288389][ T10] inet6_addr_add+0x12f/0xa40 [ 7393.288389][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7393.288389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7393.288389][ T10] netlink_rcv_skb+0x130/0x360 [ 7393.288389][ T10] netlink_unicast+0x449/0x710 [ 7393.288389][ T10] netlink_sendmsg+0x723/0xbe0 [ 7393.288389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7393.288389][ T10] ___sys_sendmsg+0xee/0x170 [ 7393.288389][ T10] __sys_sendmsg+0xcd/0x170 [ 7393.288389][ T10] do_syscall_64+0xc6/0x1e0 [ 7393.288389][ T10] [ 7393.290627][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7393.290627][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7393.290627][ T10] ipv6_find_idev+0x102/0x170 [ 7393.290627][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7393.290627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7393.290627][ T10] netlink_rcv_skb+0x130/0x360 [ 7393.290627][ T10] netlink_unicast+0x449/0x710 [ 7393.290627][ T10] netlink_sendmsg+0x723/0xbe0 [ 7393.290627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7393.290627][ T10] ___sys_sendmsg+0xee/0x170 [ 7393.290627][ T10] __sys_sendmsg+0xcd/0x170 [ 7393.290627][ T10] do_syscall_64+0xc6/0x1e0 [ 7393.290627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7393.290627][ T10] [ 7393.292378][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7393.292378][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7393.292378][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7393.292378][ T10] ipv6_find_idev+0x102/0x170 [ 7393.292378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7393.292378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7393.292378][ T10] netlink_rcv_skb+0x130/0x360 [ 7393.292378][ T10] netlink_unicast+0x449/0x710 [ 7393.292378][ T10] netlink_sendmsg+0x723/0xbe0 [ 7393.292378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7393.292378][ T10] ___sys_sendmsg+0xee/0x170 [ 7393.292378][ T10] __sys_sendmsg+0xcd/0x170 [ 7393.292378][ T10] do_syscall_64+0xc6/0x1e0 [ 7393.292378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7393.292378][ T10] [ 7393.294320][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7393.294591][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7393.294591][ T10] netdev_get_by_index+0x5e/0x80 [ 7393.294591][ T10] fib6_nh_init+0x3d8/0x1580 [ 7393.294591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7393.294591][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7393.294591][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7393.294591][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7393.294591][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7393.294591][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7393.294591][ T10] addrconf_dad_begin+0x310/0x670 [ 7393.294591][ T10] addrconf_dad_work+0x10b/0xab0 [ 7393.294591][ T10] process_one_work+0x84d/0x18a0 [ 7393.294591][ T10] worker_thread+0x587/0xd30 [ 7393.294591][ T10] kthread+0x28a/0x350 [ 7393.294591][ T10] ret_from_fork+0x31/0x70 [ 7393.294591][ T10] ret_from_fork_asm+0x1a/0x30 [ 7393.294591][ T10] [ 7393.296773][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7393.296773][ T10] netdev_get_by_index+0x5e/0x80 [ 7393.296773][ T10] fib6_nh_init+0x3d8/0x1580 [ 7393.296773][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7393.296773][ T10] ip6_route_add+0x1c/0x140 [ 7393.296773][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7393.296773][ T10] inet6_addr_add+0x4f8/0xa40 [ 7393.296773][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7393.296773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7393.296773][ T10] netlink_rcv_skb+0x130/0x360 [ 7393.296773][ T10] netlink_unicast+0x449/0x710 [ 7393.296773][ T10] netlink_sendmsg+0x723/0xbe0 [ 7393.296773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7393.296773][ T10] ___sys_sendmsg+0xee/0x170 [ 7393.296773][ T10] __sys_sendmsg+0xcd/0x170 [ 7393.296773][ T10] do_syscall_64+0xc6/0x1e0 [ 7393.296773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7393.296773][ T10] [ 7393.299048][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7393.299048][ T10] netdev_get_by_index+0x5e/0x80 [ 7393.299048][ T10] fib6_nh_init+0x3d8/0x1580 [ 7393.299048][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7393.299048][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7393.299048][ T10] ipv6_add_addr+0x411/0x2000 [ 7393.299048][ T10] inet6_addr_add+0x30e/0xa40 [ 7393.299048][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7393.299048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7393.299048][ T10] netlink_rcv_skb+0x130/0x360 [ 7393.299048][ T10] netlink_unicast+0x449/0x710 [ 7393.299048][ T10] netlink_sendmsg+0x723/0xbe0 [ 7393.299048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7393.299048][ T10] ___sys_sendmsg+0xee/0x170 [ 7393.299048][ T10] __sys_sendmsg+0xcd/0x170 [ 7393.299048][ T10] do_syscall_64+0xc6/0x1e0 [ 7393.299048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7393.299048][ T10] [ 7393.301314][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7393.301314][ T10] netdev_get_by_index+0x5e/0x80 [ 7393.301314][ T10] fib6_nh_init+0x3d8/0x1580 [ 7393.301314][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7393.301314][ T10] ip6_route_add+0x1c/0x140 [ 7393.301314][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7393.301314][ T10] addrconf_add_dev+0xe2/0x170 [ 7393.301314][ T10] inet6_addr_add+0x12f/0xa40 [ 7393.301314][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7393.301314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7393.301314][ T10] netlink_rcv_skb+0x130/0x360 [ 7393.301314][ T10] netlink_unicast+0x449/0x710 [ 7393.301314][ T10] netlink_sendmsg+0x723/0xbe0 [ 7393.301314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7393.301314][ T10] ___sys_sendmsg+0xee/0x170 [ 7393.301314][ T10] __sys_sendmsg+0xcd/0x170 [ 7393.301314][ T10] do_syscall_64+0xc6/0x1e0 [ 7393.301314][ T10] [ 7393.303541][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7393.303541][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7393.303541][ T10] ipv6_find_idev+0x102/0x170 [ 7393.303541][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7393.303541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7393.303541][ T10] netlink_rcv_skb+0x130/0x360 [ 7393.303541][ T10] netlink_unicast+0x449/0x710 [ 7393.303541][ T10] netlink_sendmsg+0x723/0xbe0 [ 7393.303541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7393.303541][ T10] ___sys_sendmsg+0xee/0x170 [ 7393.303541][ T10] __sys_sendmsg+0xcd/0x170 [ 7393.303541][ T10] do_syscall_64+0xc6/0x1e0 [ 7393.303541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7393.303541][ T10] [ 7393.305297][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7393.305297][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7393.305297][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7393.305297][ T10] ipv6_find_idev+0x102/0x170 [ 7393.305297][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7393.305297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7393.305297][ T10] netlink_rcv_skb+0x130/0x360 [ 7393.305297][ T10] netlink_unicast+0x449/0x710 [ 7393.305297][ T10] netlink_sendmsg+0x723/0xbe0 [ 7393.305297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7393.305297][ T10] ___sys_sendmsg+0xee/0x170 [ 7393.305297][ T10] __sys_sendmsg+0xcd/0x170 [ 7393.305297][ T10] do_syscall_64+0xc6/0x1e0 [ 7393.305297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7393.305297][ T10] [ 7393.307213][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7393.307485][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7393.307485][ T10] netdev_get_by_index+0x5e/0x80 [ 7393.307485][ T10] fib6_nh_init+0x3d8/0x1580 [ 7393.307485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7393.307485][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7393.307485][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7393.307485][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7393.307485][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7393.307485][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7393.307485][ T10] addrconf_dad_begin+0x310/0x670 [ 7393.307485][ T10] addrconf_dad_work+0x10b/0xab0 [ 7393.307485][ T10] process_one_work+0x84d/0x18a0 [ 7393.307485][ T10] worker_thread+0x587/0xd30 [ 7393.307485][ T10] kthread+0x28a/0x350 [ 7393.307485][ T10] ret_from_fork+0x31/0x70 [ 7393.307485][ T10] ret_from_fork_asm+0x1a/0x30 [ 7393.307485][ T10] [ 7393.309657][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7393.309657][ T10] netdev_get_by_index+0x5e/0x80 [ 7393.309657][ T10] fib6_nh_init+0x3d8/0x1580 [ 7393.309657][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7393.309657][ T10] ip6_route_add+0x1c/0x140 [ 7393.309657][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7393.309657][ T10] inet6_addr_add+0x4f8/0xa40 [ 7393.309657][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7393.309657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7393.309657][ T10] netlink_rcv_skb+0x130/0x360 [ 7393.309657][ T10] netlink_unicast+0x449/0x710 [ 7393.309657][ T10] netlink_sendmsg+0x723/0xbe0 [ 7393.309657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7393.309657][ T10] ___sys_sendmsg+0xee/0x170 [ 7393.309657][ T10] __sys_sendmsg+0xcd/0x170 [ 7393.309657][ T10] do_syscall_64+0xc6/0x1e0 [ 7393.309657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7393.309657][ T10] [ 7393.312055][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7393.312055][ T10] netdev_get_by_index+0x5e/0x80 [ 7393.312055][ T10] fib6_nh_init+0x3d8/0x1580 [ 7393.312055][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7393.312055][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7393.312055][ T10] ipv6_add_addr+0x411/0x2000 [ 7393.312055][ T10] inet6_addr_add+0x30e/0xa40 [ 7393.312055][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7393.312055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7393.312055][ T10] netlink_rcv_skb+0x130/0x360 [ 7393.312055][ T10] netlink_unicast+0x449/0x710 [ 7393.312055][ T10] netlink_sendmsg+0x723/0xbe0 [ 7393.312055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7393.312055][ T10] ___sys_sendmsg+0xee/0x170 [ 7393.312055][ T10] __sys_sendmsg+0xcd/0x170 [ 7393.312055][ T10] do_syscall_64+0xc6/0x1e0 [ 7393.312055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7393.312055][ T10] [ 7393.314469][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7393.314469][ T10] netdev_get_by_index+0x5e/0x80 [ 7393.314469][ T10] fib6_nh_init+0x3d8/0x1580 [ 7393.314469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7393.314469][ T10] ip6_route_add+0x1c/0x140 [ 7393.314469][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7393.314469][ T10] addrconf_add_dev+0xe2/0x170 [ 7393.314469][ T10] inet6_addr_add+0x12f/0xa40 [ 7393.314469][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7393.314469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7393.314469][ T10] netlink_rcv_skb+0x130/0x360 [ 7393.314469][ T10] netlink_unicast+0x449/0x710 [ 7393.314469][ T10] netlink_sendmsg+0x723/0xbe0 [ 7393.314469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7393.314469][ T10] ___sys_sendmsg+0xee/0x170 [ 7393.314469][ T10] __sys_sendmsg+0xcd/0x170 [ 7393.314469][ T10] do_syscall_64+0xc6/0x1e0 [ 7393.314469][ T10] [ 7393.316835][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7393.316835][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7393.316835][ T10] ipv6_find_idev+0x102/0x170 [ 7393.316835][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7393.316835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7393.316835][ T10] netlink_rcv_skb+0x130/0x360 [ 7393.316835][ T10] netlink_unicast+0x449/0x710 [ 7393.316835][ T10] netlink_sendmsg+0x723/0xbe0 [ 7393.316835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7393.316835][ T10] ___sys_sendmsg+0xee/0x170 [ 7393.316835][ T10] __sys_sendmsg+0xcd/0x170 [ 7393.316835][ T10] do_syscall_64+0xc6/0x1e0 [ 7393.316835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7393.316835][ T10] [ 7393.318709][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7393.318709][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7393.318709][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7393.318709][ T10] ipv6_find_idev+0x102/0x170 [ 7393.318709][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7393.318709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7393.318709][ T10] netlink_rcv_skb+0x130/0x360 [ 7393.318709][ T10] netlink_unicast+0x449/0x710 [ 7393.318709][ T10] netlink_sendmsg+0x723/0xbe0 [ 7393.318709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7393.318709][ T10] ___sys_sendmsg+0xee/0x170 [ 7393.318709][ T10] __sys_sendmsg+0xcd/0x170 [ 7393.318709][ T10] do_syscall_64+0xc6/0x1e0 [ 7393.318709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7393.318709][ T10] [ 7393.320673][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7393.320938][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7393.320938][ T10] netdev_get_by_index+0x5e/0x80 [ 7393.320938][ T10] fib6_nh_init+0x3d8/0x1580 [ 7393.320938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7393.320938][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7393.320938][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7393.320938][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7393.320938][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7393.320938][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7393.320938][ T10] addrconf_dad_begin+0x310/0x670 [ 7393.320938][ T10] addrconf_dad_work+0x10b/0xab0 [ 7393.320938][ T10] process_one_work+0x84d/0x18a0 [ 7393.320938][ T10] worker_thread+0x587/0xd30 [ 7393.320938][ T10] kthread+0x28a/0x350 [ 7393.320938][ T10] ret_from_fork+0x31/0x70 [ 7393.320938][ T10] ret_from_fork_asm+0x1a/0x30 [ 7393.320938][ T10] [ 7393.323244][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7393.323244][ T10] netdev_get_by_index+0x5e/0x80 [ 7393.323244][ T10] fib6_nh_init+0x3d8/0x1580 [ 7393.323244][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7393.323244][ T10] ip6_route_add+0x1c/0x140 [ 7393.323244][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7393.323244][ T10] inet6_addr_add+0x4f8/0xa40 [ 7393.323244][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7393.323244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7393.323244][ T10] netlink_rcv_skb+0x130/0x360 [ 7393.323244][ T10] netlink_unicast+0x449/0x710 [ 7393.323244][ T10] netlink_sendmsg+0x723/0xbe0 [ 7393.323244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7393.323244][ T10] ___sys_sendmsg+0xee/0x170 [ 7393.323244][ T10] __sys_sendmsg+0xcd/0x170 [ 7393.323244][ T10] do_syscall_64+0xc6/0x1e0 [ 7393.323244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7393.323244][ T10] [ 7393.325675][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7393.325675][ T10] netdev_get_by_index+0x5e/0x80 [ 7393.325675][ T10] fib6_nh_init+0x3d8/0x1580 [ 7393.325675][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7393.325675][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7393.325675][ T10] ipv6_add_addr+0x411/0x2000 [ 7393.325675][ T10] inet6_addr_add+0x30e/0xa40 [ 7393.325675][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7393.325675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7393.325675][ T10] netlink_rcv_skb+0x130/0x360 [ 7393.325675][ T10] netlink_unicast+0x449/0x710 [ 7393.325675][ T10] netlink_sendmsg+0x723/0xbe0 [ 7393.325675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7393.325675][ T10] ___sys_sendmsg+0xee/0x170 [ 7393.325675][ T10] __sys_sendmsg+0xcd/0x170 [ 7393.325675][ T10] do_syscall_64+0xc6/0x1e0 [ 7393.325675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7393.325675][ T10] [ 7393.328083][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7393.328083][ T10] netdev_get_by_index+0x5e/0x80 [ 7393.328083][ T10] fib6_nh_init+0x3d8/0x1580 [ 7393.328083][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7393.328083][ T10] ip6_route_add+0x1c/0x140 [ 7393.328083][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7393.328083][ T10] addrconf_add_dev+0xe2/0x170 [ 7393.328083][ T10] inet6_addr_add+0x12f/0xa40 [ 7393.328083][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7393.328083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7393.328083][ T10] netlink_rcv_skb+0x130/0x360 [ 7393.328083][ T10] netlink_unicast+0x449/0x710 [ 7393.328083][ T10] netlink_sendmsg+0x723/0xbe0 [ 7393.328083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7393.328083][ T10] ___sys_sendmsg+0xee/0x170 [ 7393.328083][ T10] __sys_sendmsg+0xcd/0x170 [ 7393.328083][ T10] do_syscall_64+0xc6/0x1e0 [ 7393.328083][ T10] [ 7393.330461][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7393.330461][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7393.330461][ T10] ipv6_find_idev+0x102/0x170 [ 7393.330461][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7393.330461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7393.330461][ T10] netlink_rcv_skb+0x130/0x360 [ 7393.330461][ T10] netlink_unicast+0x449/0x710 [ 7393.330461][ T10] netlink_sendmsg+0x723/0xbe0 [ 7393.330461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7393.330461][ T10] ___sys_sendmsg+0xee/0x170 [ 7393.330461][ T10] __sys_sendmsg+0xcd/0x170 [ 7393.330461][ T10] do_syscall_64+0xc6/0x1e0 [ 7393.330461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7393.330461][ T10] [ 7393.332274][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7393.332274][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7393.332274][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7393.332274][ T10] ipv6_find_idev+0x102/0x170 [ 7393.332274][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7393.332274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7393.332274][ T10] netlink_rcv_skb+0x130/0x360 [ 7393.332274][ T10] netlink_unicast+0x449/0x710 [ 7393.332274][ T10] netlink_sendmsg+0x723/0xbe0 [ 7393.332274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7393.332274][ T10] ___sys_sendmsg+0xee/0x170 [ 7393.332274][ T10] __sys_sendmsg+0xcd/0x170 [ 7393.332274][ T10] do_syscall_64+0xc6/0x1e0 [ 7393.332274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7393.332274][ T10] [ 7397.297113][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7397.297669][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7397.297669][ T1167] dst_init+0x84/0x4a0 [ 7397.297669][ T1167] dst_alloc+0x97/0x150 [ 7397.297669][ T1167] ip6_dst_alloc+0x23/0x90 [ 7397.297669][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7397.297669][ T1167] ip6_pol_route+0x56f/0x840 [ 7397.297669][ T1167] fib6_rule_lookup+0x334/0x630 [ 7397.297669][ T1167] ip6_route_output_flags+0x259/0x480 [ 7397.297669][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7397.297669][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7397.297669][ T1167] netlink_rcv_skb+0x130/0x360 [ 7397.297669][ T1167] netlink_unicast+0x449/0x710 [ 7397.297669][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7397.297669][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7397.297669][ T1167] ___sys_sendmsg+0xee/0x170 [ 7397.297669][ T1167] __sys_sendmsg+0xcd/0x170 [ 7397.297669][ T1167] do_syscall_64+0xc6/0x1e0 [ 7397.297669][ T1167] [ 7397.300148][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7397.300148][ T1167] netdev_get_by_index+0x5e/0x80 [ 7397.300148][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7397.300148][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7397.300148][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7397.300148][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7397.300148][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7397.300148][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7397.300148][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7397.300148][ T1167] addrconf_dad_begin+0x310/0x670 [ 7397.300148][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7397.300148][ T1167] process_one_work+0x84d/0x18a0 [ 7397.300148][ T1167] worker_thread+0x587/0xd30 [ 7397.300148][ T1167] kthread+0x28a/0x350 [ 7397.300148][ T1167] ret_from_fork+0x31/0x70 [ 7397.300148][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7397.300148][ T1167] [ 7397.302573][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7397.302573][ T1167] netdev_get_by_index+0x5e/0x80 [ 7397.302573][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7397.302573][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7397.302573][ T1167] ip6_route_add+0x1c/0x140 [ 7397.302573][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7397.302573][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7397.302573][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7397.302573][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7397.302573][ T1167] netlink_rcv_skb+0x130/0x360 [ 7397.302573][ T1167] netlink_unicast+0x449/0x710 [ 7397.302573][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7397.302573][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7397.302573][ T1167] ___sys_sendmsg+0xee/0x170 [ 7397.302573][ T1167] __sys_sendmsg+0xcd/0x170 [ 7397.302573][ T1167] do_syscall_64+0xc6/0x1e0 [ 7397.302573][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7397.302573][ T1167] [ 7397.305142][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7397.305142][ T1167] netdev_get_by_index+0x5e/0x80 [ 7397.305142][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7397.305142][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7397.305142][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7397.305142][ T1167] ipv6_add_addr+0x411/0x2000 [ 7397.305142][ T1167] inet6_addr_add+0x30e/0xa40 [ 7397.305142][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7397.305142][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7397.305142][ T1167] netlink_rcv_skb+0x130/0x360 [ 7397.305142][ T1167] netlink_unicast+0x449/0x710 [ 7397.305142][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7397.305142][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7397.305142][ T1167] ___sys_sendmsg+0xee/0x170 [ 7397.305142][ T1167] __sys_sendmsg+0xcd/0x170 [ 7397.305142][ T1167] do_syscall_64+0xc6/0x1e0 [ 7397.305142][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7397.305142][ T1167] [ 7397.307684][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7397.307684][ T1167] netdev_get_by_index+0x5e/0x80 [ 7397.307684][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7397.307684][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7397.307684][ T1167] ip6_route_add+0x1c/0x140 [ 7397.307684][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7397.307684][ T1167] addrconf_add_dev+0xe2/0x170 [ 7397.307684][ T1167] inet6_addr_add+0x12f/0xa40 [ 7397.307684][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7397.307684][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7397.307684][ T1167] netlink_rcv_skb+0x130/0x360 [ 7397.307684][ T1167] netlink_unicast+0x449/0x710 [ 7397.307684][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7397.307684][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7397.307684][ T1167] ___sys_sendmsg+0xee/0x170 [ 7397.307684][ T1167] __sys_sendmsg+0xcd/0x170 [ 7397.307684][ T1167] do_syscall_64+0xc6/0x1e0 [ 7397.307684][ T1167] [ 7397.310175][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7397.310175][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7397.310175][ T1167] ipv6_find_idev+0x102/0x170 [ 7397.310175][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7397.310175][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7397.310175][ T1167] netlink_rcv_skb+0x130/0x360 [ 7397.310175][ T1167] netlink_unicast+0x449/0x710 [ 7397.310175][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7397.310175][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7397.310175][ T1167] ___sys_sendmsg+0xee/0x170 [ 7397.310175][ T1167] __sys_sendmsg+0xcd/0x170 [ 7397.310175][ T1167] do_syscall_64+0xc6/0x1e0 [ 7397.310175][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7397.310175][ T1167] [ 7397.312124][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7397.312124][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7397.312124][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7397.312124][ T1167] ipv6_find_idev+0x102/0x170 [ 7397.312124][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7397.312124][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7397.312124][ T1167] netlink_rcv_skb+0x130/0x360 [ 7397.312124][ T1167] netlink_unicast+0x449/0x710 [ 7397.312124][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7397.312124][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7397.312124][ T1167] ___sys_sendmsg+0xee/0x170 [ 7397.312124][ T1167] __sys_sendmsg+0xcd/0x170 [ 7397.312124][ T1167] do_syscall_64+0xc6/0x1e0 [ 7397.312124][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7397.312124][ T1167] [ 7403.577030][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7403.577517][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7403.577517][ T10] netdev_get_by_index+0x5e/0x80 [ 7403.577517][ T10] fib6_nh_init+0x3d8/0x1580 [ 7403.577517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7403.577517][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7403.577517][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7403.577517][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7403.577517][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7403.577517][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7403.577517][ T10] addrconf_dad_begin+0x310/0x670 [ 7403.577517][ T10] addrconf_dad_work+0x10b/0xab0 [ 7403.577517][ T10] process_one_work+0x84d/0x18a0 [ 7403.577517][ T10] worker_thread+0x587/0xd30 [ 7403.577517][ T10] kthread+0x28a/0x350 [ 7403.577517][ T10] ret_from_fork+0x31/0x70 [ 7403.577517][ T10] ret_from_fork_asm+0x1a/0x30 [ 7403.577517][ T10] [ 7403.579734][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7403.579734][ T10] netdev_get_by_index+0x5e/0x80 [ 7403.579734][ T10] fib6_nh_init+0x3d8/0x1580 [ 7403.579734][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7403.579734][ T10] ip6_route_add+0x1c/0x140 [ 7403.579734][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7403.579734][ T10] inet6_addr_add+0x4f8/0xa40 [ 7403.579734][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7403.579734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7403.579734][ T10] netlink_rcv_skb+0x130/0x360 [ 7403.579734][ T10] netlink_unicast+0x449/0x710 [ 7403.579734][ T10] netlink_sendmsg+0x723/0xbe0 [ 7403.579734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7403.579734][ T10] ___sys_sendmsg+0xee/0x170 [ 7403.579734][ T10] __sys_sendmsg+0xcd/0x170 [ 7403.579734][ T10] do_syscall_64+0xc6/0x1e0 [ 7403.579734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7403.579734][ T10] [ 7403.582005][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7403.582005][ T10] netdev_get_by_index+0x5e/0x80 [ 7403.582005][ T10] fib6_nh_init+0x3d8/0x1580 [ 7403.582005][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7403.582005][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7403.582005][ T10] ipv6_add_addr+0x411/0x2000 [ 7403.582005][ T10] inet6_addr_add+0x30e/0xa40 [ 7403.582005][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7403.582005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7403.582005][ T10] netlink_rcv_skb+0x130/0x360 [ 7403.582005][ T10] netlink_unicast+0x449/0x710 [ 7403.582005][ T10] netlink_sendmsg+0x723/0xbe0 [ 7403.582005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7403.582005][ T10] ___sys_sendmsg+0xee/0x170 [ 7403.582005][ T10] __sys_sendmsg+0xcd/0x170 [ 7403.582005][ T10] do_syscall_64+0xc6/0x1e0 [ 7403.582005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7403.582005][ T10] [ 7403.584329][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7403.584329][ T10] netdev_get_by_index+0x5e/0x80 [ 7403.584329][ T10] fib6_nh_init+0x3d8/0x1580 [ 7403.584329][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7403.584329][ T10] ip6_route_add+0x1c/0x140 [ 7403.584329][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7403.584329][ T10] addrconf_add_dev+0xe2/0x170 [ 7403.584329][ T10] inet6_addr_add+0x12f/0xa40 [ 7403.584329][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7403.584329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7403.584329][ T10] netlink_rcv_skb+0x130/0x360 [ 7403.584329][ T10] netlink_unicast+0x449/0x710 [ 7403.584329][ T10] netlink_sendmsg+0x723/0xbe0 [ 7403.584329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7403.584329][ T10] ___sys_sendmsg+0xee/0x170 [ 7403.584329][ T10] __sys_sendmsg+0xcd/0x170 [ 7403.584329][ T10] do_syscall_64+0xc6/0x1e0 [ 7403.584329][ T10] [ 7403.586570][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7403.586570][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7403.586570][ T10] ipv6_find_idev+0x102/0x170 [ 7403.586570][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7403.586570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7403.586570][ T10] netlink_rcv_skb+0x130/0x360 [ 7403.586570][ T10] netlink_unicast+0x449/0x710 [ 7403.586570][ T10] netlink_sendmsg+0x723/0xbe0 [ 7403.586570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7403.586570][ T10] ___sys_sendmsg+0xee/0x170 [ 7403.586570][ T10] __sys_sendmsg+0xcd/0x170 [ 7403.586570][ T10] do_syscall_64+0xc6/0x1e0 [ 7403.586570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7403.586570][ T10] [ 7403.588343][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7403.588343][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7403.588343][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7403.588343][ T10] ipv6_find_idev+0x102/0x170 [ 7403.588343][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7403.588343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7403.588343][ T10] netlink_rcv_skb+0x130/0x360 [ 7403.588343][ T10] netlink_unicast+0x449/0x710 [ 7403.588343][ T10] netlink_sendmsg+0x723/0xbe0 [ 7403.588343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7403.588343][ T10] ___sys_sendmsg+0xee/0x170 [ 7403.588343][ T10] __sys_sendmsg+0xcd/0x170 [ 7403.588343][ T10] do_syscall_64+0xc6/0x1e0 [ 7403.588343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7403.588343][ T10] [ 7403.590265][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7403.590529][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7403.590529][ T10] netdev_get_by_index+0x5e/0x80 [ 7403.590529][ T10] fib6_nh_init+0x3d8/0x1580 [ 7403.590529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7403.590529][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7403.590529][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7403.590529][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7403.590529][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7403.590529][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7403.590529][ T10] addrconf_dad_begin+0x310/0x670 [ 7403.590529][ T10] addrconf_dad_work+0x10b/0xab0 [ 7403.590529][ T10] process_one_work+0x84d/0x18a0 [ 7403.590529][ T10] worker_thread+0x587/0xd30 [ 7403.590529][ T10] kthread+0x28a/0x350 [ 7403.590529][ T10] ret_from_fork+0x31/0x70 [ 7403.590529][ T10] ret_from_fork_asm+0x1a/0x30 [ 7403.590529][ T10] [ 7403.592682][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7403.592682][ T10] netdev_get_by_index+0x5e/0x80 [ 7403.592682][ T10] fib6_nh_init+0x3d8/0x1580 [ 7403.592682][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7403.592682][ T10] ip6_route_add+0x1c/0x140 [ 7403.592682][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7403.592682][ T10] inet6_addr_add+0x4f8/0xa40 [ 7403.592682][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7403.592682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7403.592682][ T10] netlink_rcv_skb+0x130/0x360 [ 7403.592682][ T10] netlink_unicast+0x449/0x710 [ 7403.592682][ T10] netlink_sendmsg+0x723/0xbe0 [ 7403.592682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7403.592682][ T10] ___sys_sendmsg+0xee/0x170 [ 7403.592682][ T10] __sys_sendmsg+0xcd/0x170 [ 7403.592682][ T10] do_syscall_64+0xc6/0x1e0 [ 7403.592682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7403.592682][ T10] [ 7403.594977][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7403.594977][ T10] netdev_get_by_index+0x5e/0x80 [ 7403.594977][ T10] fib6_nh_init+0x3d8/0x1580 [ 7403.594977][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7403.594977][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7403.594977][ T10] ipv6_add_addr+0x411/0x2000 [ 7403.594977][ T10] inet6_addr_add+0x30e/0xa40 [ 7403.594977][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7403.594977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7403.594977][ T10] netlink_rcv_skb+0x130/0x360 [ 7403.594977][ T10] netlink_unicast+0x449/0x710 [ 7403.594977][ T10] netlink_sendmsg+0x723/0xbe0 [ 7403.594977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7403.594977][ T10] ___sys_sendmsg+0xee/0x170 [ 7403.594977][ T10] __sys_sendmsg+0xcd/0x170 [ 7403.594977][ T10] do_syscall_64+0xc6/0x1e0 [ 7403.594977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7403.594977][ T10] [ 7403.597255][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7403.597255][ T10] netdev_get_by_index+0x5e/0x80 [ 7403.597255][ T10] fib6_nh_init+0x3d8/0x1580 [ 7403.597255][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7403.597255][ T10] ip6_route_add+0x1c/0x140 [ 7403.597255][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7403.597255][ T10] addrconf_add_dev+0xe2/0x170 [ 7403.597255][ T10] inet6_addr_add+0x12f/0xa40 [ 7403.597255][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7403.597255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7403.597255][ T10] netlink_rcv_skb+0x130/0x360 [ 7403.597255][ T10] netlink_unicast+0x449/0x710 [ 7403.597255][ T10] netlink_sendmsg+0x723/0xbe0 [ 7403.597255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7403.597255][ T10] ___sys_sendmsg+0xee/0x170 [ 7403.597255][ T10] __sys_sendmsg+0xcd/0x170 [ 7403.597255][ T10] do_syscall_64+0xc6/0x1e0 [ 7403.597255][ T10] [ 7403.599498][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7403.599498][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7403.599498][ T10] ipv6_find_idev+0x102/0x170 [ 7403.599498][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7403.599498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7403.599498][ T10] netlink_rcv_skb+0x130/0x360 [ 7403.599498][ T10] netlink_unicast+0x449/0x710 [ 7403.599498][ T10] netlink_sendmsg+0x723/0xbe0 [ 7403.599498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7403.599498][ T10] ___sys_sendmsg+0xee/0x170 [ 7403.599498][ T10] __sys_sendmsg+0xcd/0x170 [ 7403.599498][ T10] do_syscall_64+0xc6/0x1e0 [ 7403.599498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7403.599498][ T10] [ 7403.601267][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7403.601267][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7403.601267][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7403.601267][ T10] ipv6_find_idev+0x102/0x170 [ 7403.601267][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7403.601267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7403.601267][ T10] netlink_rcv_skb+0x130/0x360 [ 7403.601267][ T10] netlink_unicast+0x449/0x710 [ 7403.601267][ T10] netlink_sendmsg+0x723/0xbe0 [ 7403.601267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7403.601267][ T10] ___sys_sendmsg+0xee/0x170 [ 7403.601267][ T10] __sys_sendmsg+0xcd/0x170 [ 7403.601267][ T10] do_syscall_64+0xc6/0x1e0 [ 7403.601267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7403.601267][ T10] [ 7403.603218][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7403.603517][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7403.603517][ T10] netdev_get_by_index+0x5e/0x80 [ 7403.603517][ T10] fib6_nh_init+0x3d8/0x1580 [ 7403.603517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7403.603517][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7403.603517][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7403.603517][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7403.603517][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7403.603517][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7403.603517][ T10] addrconf_dad_begin+0x310/0x670 [ 7403.603517][ T10] addrconf_dad_work+0x10b/0xab0 [ 7403.603517][ T10] process_one_work+0x84d/0x18a0 [ 7403.603517][ T10] worker_thread+0x587/0xd30 [ 7403.603517][ T10] kthread+0x28a/0x350 [ 7403.603517][ T10] ret_from_fork+0x31/0x70 [ 7403.603517][ T10] ret_from_fork_asm+0x1a/0x30 [ 7403.603517][ T10] [ 7403.606250][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7403.606250][ T10] netdev_get_by_index+0x5e/0x80 [ 7403.606250][ T10] fib6_nh_init+0x3d8/0x1580 [ 7403.606250][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7403.606250][ T10] ip6_route_add+0x1c/0x140 [ 7403.606250][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7403.606250][ T10] inet6_addr_add+0x4f8/0xa40 [ 7403.606250][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7403.606250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7403.606250][ T10] netlink_rcv_skb+0x130/0x360 [ 7403.606250][ T10] netlink_unicast+0x449/0x710 [ 7403.606250][ T10] netlink_sendmsg+0x723/0xbe0 [ 7403.606250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7403.606250][ T10] ___sys_sendmsg+0xee/0x170 [ 7403.606250][ T10] __sys_sendmsg+0xcd/0x170 [ 7403.606250][ T10] do_syscall_64+0xc6/0x1e0 [ 7403.606250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7403.606250][ T10] [ 7403.608714][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7403.608714][ T10] netdev_get_by_index+0x5e/0x80 [ 7403.608714][ T10] fib6_nh_init+0x3d8/0x1580 [ 7403.608714][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7403.608714][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7403.608714][ T10] ipv6_add_addr+0x411/0x2000 [ 7403.608714][ T10] inet6_addr_add+0x30e/0xa40 [ 7403.608714][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7403.608714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7403.608714][ T10] netlink_rcv_skb+0x130/0x360 [ 7403.608714][ T10] netlink_unicast+0x449/0x710 [ 7403.608714][ T10] netlink_sendmsg+0x723/0xbe0 [ 7403.608714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7403.608714][ T10] ___sys_sendmsg+0xee/0x170 [ 7403.608714][ T10] __sys_sendmsg+0xcd/0x170 [ 7403.608714][ T10] do_syscall_64+0xc6/0x1e0 [ 7403.608714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7403.608714][ T10] [ 7403.611302][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7403.611302][ T10] netdev_get_by_index+0x5e/0x80 [ 7403.611302][ T10] fib6_nh_init+0x3d8/0x1580 [ 7403.611302][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7403.611302][ T10] ip6_route_add+0x1c/0x140 [ 7403.611302][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7403.611302][ T10] addrconf_add_dev+0xe2/0x170 [ 7403.611302][ T10] inet6_addr_add+0x12f/0xa40 [ 7403.611302][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7403.611302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7403.611302][ T10] netlink_rcv_skb+0x130/0x360 [ 7403.611302][ T10] netlink_unicast+0x449/0x710 [ 7403.611302][ T10] netlink_sendmsg+0x723/0xbe0 [ 7403.611302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7403.611302][ T10] ___sys_sendmsg+0xee/0x170 [ 7403.611302][ T10] __sys_sendmsg+0xcd/0x170 [ 7403.611302][ T10] do_syscall_64+0xc6/0x1e0 [ 7403.611302][ T10] [ 7403.613785][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7403.613785][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7403.613785][ T10] ipv6_find_idev+0x102/0x170 [ 7403.613785][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7403.613785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7403.613785][ T10] netlink_rcv_skb+0x130/0x360 [ 7403.613785][ T10] netlink_unicast+0x449/0x710 [ 7403.613785][ T10] netlink_sendmsg+0x723/0xbe0 [ 7403.613785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7403.613785][ T10] ___sys_sendmsg+0xee/0x170 [ 7403.613785][ T10] __sys_sendmsg+0xcd/0x170 [ 7403.613785][ T10] do_syscall_64+0xc6/0x1e0 [ 7403.613785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7403.613785][ T10] [ 7403.615745][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7403.615745][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7403.615745][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7403.615745][ T10] ipv6_find_idev+0x102/0x170 [ 7403.615745][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7403.615745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7403.615745][ T10] netlink_rcv_skb+0x130/0x360 [ 7403.615745][ T10] netlink_unicast+0x449/0x710 [ 7403.615745][ T10] netlink_sendmsg+0x723/0xbe0 [ 7403.615745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7403.615745][ T10] ___sys_sendmsg+0xee/0x170 [ 7403.615745][ T10] __sys_sendmsg+0xcd/0x170 [ 7403.615745][ T10] do_syscall_64+0xc6/0x1e0 [ 7403.615745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7403.615745][ T10] [ 7403.617832][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7403.618535][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7403.618535][ T10] netdev_get_by_index+0x5e/0x80 [ 7403.618535][ T10] fib6_nh_init+0x3d8/0x1580 [ 7403.618535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7403.618535][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7403.618535][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7403.618535][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7403.618535][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7403.618535][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7403.618535][ T10] addrconf_dad_begin+0x310/0x670 [ 7403.618535][ T10] addrconf_dad_work+0x10b/0xab0 [ 7403.618535][ T10] process_one_work+0x84d/0x18a0 [ 7403.618535][ T10] worker_thread+0x587/0xd30 [ 7403.618535][ T10] kthread+0x28a/0x350 [ 7403.618535][ T10] ret_from_fork+0x31/0x70 [ 7403.618535][ T10] ret_from_fork_asm+0x1a/0x30 [ 7403.618535][ T10] [ 7403.620698][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7403.620698][ T10] netdev_get_by_index+0x5e/0x80 [ 7403.620698][ T10] fib6_nh_init+0x3d8/0x1580 [ 7403.620698][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7403.620698][ T10] ip6_route_add+0x1c/0x140 [ 7403.620698][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7403.620698][ T10] inet6_addr_add+0x4f8/0xa40 [ 7403.620698][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7403.620698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7403.620698][ T10] netlink_rcv_skb+0x130/0x360 [ 7403.620698][ T10] netlink_unicast+0x449/0x710 [ 7403.620698][ T10] netlink_sendmsg+0x723/0xbe0 [ 7403.620698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7403.620698][ T10] ___sys_sendmsg+0xee/0x170 [ 7403.620698][ T10] __sys_sendmsg+0xcd/0x170 [ 7403.620698][ T10] do_syscall_64+0xc6/0x1e0 [ 7403.620698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7403.620698][ T10] [ 7403.623081][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7403.623081][ T10] netdev_get_by_index+0x5e/0x80 [ 7403.623081][ T10] fib6_nh_init+0x3d8/0x1580 [ 7403.623081][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7403.623081][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7403.623081][ T10] ipv6_add_addr+0x411/0x2000 [ 7403.623081][ T10] inet6_addr_add+0x30e/0xa40 [ 7403.623081][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7403.623081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7403.623081][ T10] netlink_rcv_skb+0x130/0x360 [ 7403.623081][ T10] netlink_unicast+0x449/0x710 [ 7403.623081][ T10] netlink_sendmsg+0x723/0xbe0 [ 7403.623081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7403.623081][ T10] ___sys_sendmsg+0xee/0x170 [ 7403.623081][ T10] __sys_sendmsg+0xcd/0x170 [ 7403.623081][ T10] do_syscall_64+0xc6/0x1e0 [ 7403.623081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7403.623081][ T10] [ 7403.625660][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7403.625660][ T10] netdev_get_by_index+0x5e/0x80 [ 7403.625660][ T10] fib6_nh_init+0x3d8/0x1580 [ 7403.625660][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7403.625660][ T10] ip6_route_add+0x1c/0x140 [ 7403.625660][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7403.625660][ T10] addrconf_add_dev+0xe2/0x170 [ 7403.625660][ T10] inet6_addr_add+0x12f/0xa40 [ 7403.625660][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7403.625660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7403.625660][ T10] netlink_rcv_skb+0x130/0x360 [ 7403.625660][ T10] netlink_unicast+0x449/0x710 [ 7403.625660][ T10] netlink_sendmsg+0x723/0xbe0 [ 7403.625660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7403.625660][ T10] ___sys_sendmsg+0xee/0x170 [ 7403.625660][ T10] __sys_sendmsg+0xcd/0x170 [ 7403.625660][ T10] do_syscall_64+0xc6/0x1e0 [ 7403.625660][ T10] [ 7403.628074][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7403.628074][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7403.628074][ T10] ipv6_find_idev+0x102/0x170 [ 7403.628074][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7403.628074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7403.628074][ T10] netlink_rcv_skb+0x130/0x360 [ 7403.628074][ T10] netlink_unicast+0x449/0x710 [ 7403.628074][ T10] netlink_sendmsg+0x723/0xbe0 [ 7403.628074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7403.628074][ T10] ___sys_sendmsg+0xee/0x170 [ 7403.628074][ T10] __sys_sendmsg+0xcd/0x170 [ 7403.628074][ T10] do_syscall_64+0xc6/0x1e0 [ 7403.628074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7403.628074][ T10] [ 7403.630008][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7403.630008][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7403.630008][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7403.630008][ T10] ipv6_find_idev+0x102/0x170 [ 7403.630008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7403.630008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7403.630008][ T10] netlink_rcv_skb+0x130/0x360 [ 7403.630008][ T10] netlink_unicast+0x449/0x710 [ 7403.630008][ T10] netlink_sendmsg+0x723/0xbe0 [ 7403.630008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7403.630008][ T10] ___sys_sendmsg+0xee/0x170 [ 7403.630008][ T10] __sys_sendmsg+0xcd/0x170 [ 7403.630008][ T10] do_syscall_64+0xc6/0x1e0 [ 7403.630008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7403.630008][ T10] [ 7407.553104][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7407.553622][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7407.553622][ T1167] dst_init+0x84/0x4a0 [ 7407.553622][ T1167] dst_alloc+0x97/0x150 [ 7407.553622][ T1167] ip6_dst_alloc+0x23/0x90 [ 7407.553622][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7407.553622][ T1167] ip6_pol_route+0x56f/0x840 [ 7407.553622][ T1167] fib6_rule_lookup+0x334/0x630 [ 7407.553622][ T1167] ip6_route_output_flags+0x259/0x480 [ 7407.553622][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7407.553622][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7407.553622][ T1167] netlink_rcv_skb+0x130/0x360 [ 7407.553622][ T1167] netlink_unicast+0x449/0x710 [ 7407.553622][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7407.553622][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7407.553622][ T1167] ___sys_sendmsg+0xee/0x170 [ 7407.553622][ T1167] __sys_sendmsg+0xcd/0x170 [ 7407.553622][ T1167] do_syscall_64+0xc6/0x1e0 [ 7407.553622][ T1167] [ 7407.555856][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7407.555856][ T1167] netdev_get_by_index+0x5e/0x80 [ 7407.555856][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7407.555856][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7407.555856][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7407.555856][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7407.555856][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7407.555856][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7407.555856][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7407.555856][ T1167] addrconf_dad_begin+0x310/0x670 [ 7407.555856][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7407.555856][ T1167] process_one_work+0x84d/0x18a0 [ 7407.555856][ T1167] worker_thread+0x587/0xd30 [ 7407.555856][ T1167] kthread+0x28a/0x350 [ 7407.555856][ T1167] ret_from_fork+0x31/0x70 [ 7407.555856][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7407.555856][ T1167] [ 7407.558057][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7407.558057][ T1167] netdev_get_by_index+0x5e/0x80 [ 7407.558057][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7407.558057][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7407.558057][ T1167] ip6_route_add+0x1c/0x140 [ 7407.558057][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7407.558057][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7407.558057][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7407.558057][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7407.558057][ T1167] netlink_rcv_skb+0x130/0x360 [ 7407.558057][ T1167] netlink_unicast+0x449/0x710 [ 7407.558057][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7407.558057][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7407.558057][ T1167] ___sys_sendmsg+0xee/0x170 [ 7407.558057][ T1167] __sys_sendmsg+0xcd/0x170 [ 7407.558057][ T1167] do_syscall_64+0xc6/0x1e0 [ 7407.558057][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7407.558057][ T1167] [ 7407.560360][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7407.560360][ T1167] netdev_get_by_index+0x5e/0x80 [ 7407.560360][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7407.560360][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7407.560360][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7407.560360][ T1167] ipv6_add_addr+0x411/0x2000 [ 7407.560360][ T1167] inet6_addr_add+0x30e/0xa40 [ 7407.560360][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7407.560360][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7407.560360][ T1167] netlink_rcv_skb+0x130/0x360 [ 7407.560360][ T1167] netlink_unicast+0x449/0x710 [ 7407.560360][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7407.560360][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7407.560360][ T1167] ___sys_sendmsg+0xee/0x170 [ 7407.560360][ T1167] __sys_sendmsg+0xcd/0x170 [ 7407.560360][ T1167] do_syscall_64+0xc6/0x1e0 [ 7407.560360][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7407.560360][ T1167] [ 7407.562663][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7407.562663][ T1167] netdev_get_by_index+0x5e/0x80 [ 7407.562663][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7407.562663][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7407.562663][ T1167] ip6_route_add+0x1c/0x140 [ 7407.562663][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7407.562663][ T1167] addrconf_add_dev+0xe2/0x170 [ 7407.562663][ T1167] inet6_addr_add+0x12f/0xa40 [ 7407.562663][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7407.562663][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7407.562663][ T1167] netlink_rcv_skb+0x130/0x360 [ 7407.562663][ T1167] netlink_unicast+0x449/0x710 [ 7407.562663][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7407.562663][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7407.562663][ T1167] ___sys_sendmsg+0xee/0x170 [ 7407.562663][ T1167] __sys_sendmsg+0xcd/0x170 [ 7407.562663][ T1167] do_syscall_64+0xc6/0x1e0 [ 7407.562663][ T1167] [ 7407.564941][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7407.564941][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7407.564941][ T1167] ipv6_find_idev+0x102/0x170 [ 7407.564941][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7407.564941][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7407.564941][ T1167] netlink_rcv_skb+0x130/0x360 [ 7407.564941][ T1167] netlink_unicast+0x449/0x710 [ 7407.564941][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7407.564941][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7407.564941][ T1167] ___sys_sendmsg+0xee/0x170 [ 7407.564941][ T1167] __sys_sendmsg+0xcd/0x170 [ 7407.564941][ T1167] do_syscall_64+0xc6/0x1e0 [ 7407.564941][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7407.564941][ T1167] [ 7407.566703][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7407.566703][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7407.566703][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7407.566703][ T1167] ipv6_find_idev+0x102/0x170 [ 7407.566703][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7407.566703][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7407.566703][ T1167] netlink_rcv_skb+0x130/0x360 [ 7407.566703][ T1167] netlink_unicast+0x449/0x710 [ 7407.566703][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7407.566703][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7407.566703][ T1167] ___sys_sendmsg+0xee/0x170 [ 7407.566703][ T1167] __sys_sendmsg+0xcd/0x170 [ 7407.566703][ T1167] do_syscall_64+0xc6/0x1e0 [ 7407.566703][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7407.566703][ T1167] [ 7413.873117][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7413.873561][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7413.873561][ T10] netdev_get_by_index+0x5e/0x80 [ 7413.873561][ T10] fib6_nh_init+0x3d8/0x1580 [ 7413.873561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7413.873561][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7413.873561][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7413.873561][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7413.873561][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7413.873561][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7413.873561][ T10] addrconf_dad_begin+0x310/0x670 [ 7413.873561][ T10] addrconf_dad_work+0x10b/0xab0 [ 7413.873561][ T10] process_one_work+0x84d/0x18a0 [ 7413.873561][ T10] worker_thread+0x587/0xd30 [ 7413.873561][ T10] kthread+0x28a/0x350 [ 7413.873561][ T10] ret_from_fork+0x31/0x70 [ 7413.873561][ T10] ret_from_fork_asm+0x1a/0x30 [ 7413.873561][ T10] [ 7413.875571][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7413.875571][ T10] netdev_get_by_index+0x5e/0x80 [ 7413.875571][ T10] fib6_nh_init+0x3d8/0x1580 [ 7413.875571][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7413.875571][ T10] ip6_route_add+0x1c/0x140 [ 7413.875571][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7413.875571][ T10] inet6_addr_add+0x4f8/0xa40 [ 7413.875571][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7413.875571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7413.875571][ T10] netlink_rcv_skb+0x130/0x360 [ 7413.875571][ T10] netlink_unicast+0x449/0x710 [ 7413.875571][ T10] netlink_sendmsg+0x723/0xbe0 [ 7413.875571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7413.875571][ T10] ___sys_sendmsg+0xee/0x170 [ 7413.875571][ T10] __sys_sendmsg+0xcd/0x170 [ 7413.875571][ T10] do_syscall_64+0xc6/0x1e0 [ 7413.875571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7413.875571][ T10] [ 7413.877624][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7413.877624][ T10] netdev_get_by_index+0x5e/0x80 [ 7413.877624][ T10] fib6_nh_init+0x3d8/0x1580 [ 7413.877624][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7413.877624][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7413.877624][ T10] ipv6_add_addr+0x411/0x2000 [ 7413.877624][ T10] inet6_addr_add+0x30e/0xa40 [ 7413.877624][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7413.877624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7413.877624][ T10] netlink_rcv_skb+0x130/0x360 [ 7413.877624][ T10] netlink_unicast+0x449/0x710 [ 7413.877624][ T10] netlink_sendmsg+0x723/0xbe0 [ 7413.877624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7413.877624][ T10] ___sys_sendmsg+0xee/0x170 [ 7413.877624][ T10] __sys_sendmsg+0xcd/0x170 [ 7413.877624][ T10] do_syscall_64+0xc6/0x1e0 [ 7413.877624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7413.877624][ T10] [ 7413.879653][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7413.879653][ T10] netdev_get_by_index+0x5e/0x80 [ 7413.879653][ T10] fib6_nh_init+0x3d8/0x1580 [ 7413.879653][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7413.879653][ T10] ip6_route_add+0x1c/0x140 [ 7413.879653][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7413.879653][ T10] addrconf_add_dev+0xe2/0x170 [ 7413.879653][ T10] inet6_addr_add+0x12f/0xa40 [ 7413.879653][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7413.879653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7413.879653][ T10] netlink_rcv_skb+0x130/0x360 [ 7413.879653][ T10] netlink_unicast+0x449/0x710 [ 7413.879653][ T10] netlink_sendmsg+0x723/0xbe0 [ 7413.879653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7413.879653][ T10] ___sys_sendmsg+0xee/0x170 [ 7413.879653][ T10] __sys_sendmsg+0xcd/0x170 [ 7413.879653][ T10] do_syscall_64+0xc6/0x1e0 [ 7413.879653][ T10] [ 7413.881658][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7413.881658][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7413.881658][ T10] ipv6_find_idev+0x102/0x170 [ 7413.881658][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7413.881658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7413.881658][ T10] netlink_rcv_skb+0x130/0x360 [ 7413.881658][ T10] netlink_unicast+0x449/0x710 [ 7413.881658][ T10] netlink_sendmsg+0x723/0xbe0 [ 7413.881658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7413.881658][ T10] ___sys_sendmsg+0xee/0x170 [ 7413.881658][ T10] __sys_sendmsg+0xcd/0x170 [ 7413.881658][ T10] do_syscall_64+0xc6/0x1e0 [ 7413.881658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7413.881658][ T10] [ 7413.883242][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7413.883242][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7413.883242][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7413.883242][ T10] ipv6_find_idev+0x102/0x170 [ 7413.883242][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7413.883242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7413.883242][ T10] netlink_rcv_skb+0x130/0x360 [ 7413.883242][ T10] netlink_unicast+0x449/0x710 [ 7413.883242][ T10] netlink_sendmsg+0x723/0xbe0 [ 7413.883242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7413.883242][ T10] ___sys_sendmsg+0xee/0x170 [ 7413.883242][ T10] __sys_sendmsg+0xcd/0x170 [ 7413.883242][ T10] do_syscall_64+0xc6/0x1e0 [ 7413.883242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7413.883242][ T10] [ 7413.884966][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7413.885230][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7413.885230][ T10] netdev_get_by_index+0x5e/0x80 [ 7413.885230][ T10] fib6_nh_init+0x3d8/0x1580 [ 7413.885230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7413.885230][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7413.885230][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7413.885230][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7413.885230][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7413.885230][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7413.885230][ T10] addrconf_dad_begin+0x310/0x670 [ 7413.885230][ T10] addrconf_dad_work+0x10b/0xab0 [ 7413.885230][ T10] process_one_work+0x84d/0x18a0 [ 7413.885230][ T10] worker_thread+0x587/0xd30 [ 7413.885230][ T10] kthread+0x28a/0x350 [ 7413.885230][ T10] ret_from_fork+0x31/0x70 [ 7413.885230][ T10] ret_from_fork_asm+0x1a/0x30 [ 7413.885230][ T10] [ 7413.887171][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7413.887171][ T10] netdev_get_by_index+0x5e/0x80 [ 7413.887171][ T10] fib6_nh_init+0x3d8/0x1580 [ 7413.887171][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7413.887171][ T10] ip6_route_add+0x1c/0x140 [ 7413.887171][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7413.887171][ T10] inet6_addr_add+0x4f8/0xa40 [ 7413.887171][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7413.887171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7413.887171][ T10] netlink_rcv_skb+0x130/0x360 [ 7413.887171][ T10] netlink_unicast+0x449/0x710 [ 7413.887171][ T10] netlink_sendmsg+0x723/0xbe0 [ 7413.887171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7413.887171][ T10] ___sys_sendmsg+0xee/0x170 [ 7413.887171][ T10] __sys_sendmsg+0xcd/0x170 [ 7413.887171][ T10] do_syscall_64+0xc6/0x1e0 [ 7413.887171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7413.887171][ T10] [ 7413.889197][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7413.889197][ T10] netdev_get_by_index+0x5e/0x80 [ 7413.889197][ T10] fib6_nh_init+0x3d8/0x1580 [ 7413.889197][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7413.889197][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7413.889197][ T10] ipv6_add_addr+0x411/0x2000 [ 7413.889197][ T10] inet6_addr_add+0x30e/0xa40 [ 7413.889197][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7413.889197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7413.889197][ T10] netlink_rcv_skb+0x130/0x360 [ 7413.889197][ T10] netlink_unicast+0x449/0x710 [ 7413.889197][ T10] netlink_sendmsg+0x723/0xbe0 [ 7413.889197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7413.889197][ T10] ___sys_sendmsg+0xee/0x170 [ 7413.889197][ T10] __sys_sendmsg+0xcd/0x170 [ 7413.889197][ T10] do_syscall_64+0xc6/0x1e0 [ 7413.889197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7413.889197][ T10] [ 7413.891230][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7413.891230][ T10] netdev_get_by_index+0x5e/0x80 [ 7413.891230][ T10] fib6_nh_init+0x3d8/0x1580 [ 7413.891230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7413.891230][ T10] ip6_route_add+0x1c/0x140 [ 7413.891230][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7413.891230][ T10] addrconf_add_dev+0xe2/0x170 [ 7413.891230][ T10] inet6_addr_add+0x12f/0xa40 [ 7413.891230][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7413.891230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7413.891230][ T10] netlink_rcv_skb+0x130/0x360 [ 7413.891230][ T10] netlink_unicast+0x449/0x710 [ 7413.891230][ T10] netlink_sendmsg+0x723/0xbe0 [ 7413.891230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7413.891230][ T10] ___sys_sendmsg+0xee/0x170 [ 7413.891230][ T10] __sys_sendmsg+0xcd/0x170 [ 7413.891230][ T10] do_syscall_64+0xc6/0x1e0 [ 7413.891230][ T10] [ 7413.893224][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7413.893224][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7413.893224][ T10] ipv6_find_idev+0x102/0x170 [ 7413.893224][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7413.893224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7413.893224][ T10] netlink_rcv_skb+0x130/0x360 [ 7413.893224][ T10] netlink_unicast+0x449/0x710 [ 7413.893224][ T10] netlink_sendmsg+0x723/0xbe0 [ 7413.893224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7413.893224][ T10] ___sys_sendmsg+0xee/0x170 [ 7413.893224][ T10] __sys_sendmsg+0xcd/0x170 [ 7413.893224][ T10] do_syscall_64+0xc6/0x1e0 [ 7413.893224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7413.893224][ T10] [ 7413.894792][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7413.894792][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7413.894792][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7413.894792][ T10] ipv6_find_idev+0x102/0x170 [ 7413.894792][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7413.894792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7413.894792][ T10] netlink_rcv_skb+0x130/0x360 [ 7413.894792][ T10] netlink_unicast+0x449/0x710 [ 7413.894792][ T10] netlink_sendmsg+0x723/0xbe0 [ 7413.894792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7413.894792][ T10] ___sys_sendmsg+0xee/0x170 [ 7413.894792][ T10] __sys_sendmsg+0xcd/0x170 [ 7413.894792][ T10] do_syscall_64+0xc6/0x1e0 [ 7413.894792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7413.894792][ T10] [ 7413.896501][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7413.896741][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7413.896741][ T10] netdev_get_by_index+0x5e/0x80 [ 7413.896741][ T10] fib6_nh_init+0x3d8/0x1580 [ 7413.896741][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7413.896741][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7413.896741][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7413.896741][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7413.896741][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7413.896741][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7413.896741][ T10] addrconf_dad_begin+0x310/0x670 [ 7413.896741][ T10] addrconf_dad_work+0x10b/0xab0 [ 7413.896741][ T10] process_one_work+0x84d/0x18a0 [ 7413.896741][ T10] worker_thread+0x587/0xd30 [ 7413.896741][ T10] kthread+0x28a/0x350 [ 7413.896741][ T10] ret_from_fork+0x31/0x70 [ 7413.896741][ T10] ret_from_fork_asm+0x1a/0x30 [ 7413.896741][ T10] [ 7413.898689][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7413.898689][ T10] netdev_get_by_index+0x5e/0x80 [ 7413.898689][ T10] fib6_nh_init+0x3d8/0x1580 [ 7413.898689][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7413.898689][ T10] ip6_route_add+0x1c/0x140 [ 7413.898689][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7413.898689][ T10] inet6_addr_add+0x4f8/0xa40 [ 7413.898689][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7413.898689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7413.898689][ T10] netlink_rcv_skb+0x130/0x360 [ 7413.898689][ T10] netlink_unicast+0x449/0x710 [ 7413.898689][ T10] netlink_sendmsg+0x723/0xbe0 [ 7413.898689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7413.898689][ T10] ___sys_sendmsg+0xee/0x170 [ 7413.898689][ T10] __sys_sendmsg+0xcd/0x170 [ 7413.898689][ T10] do_syscall_64+0xc6/0x1e0 [ 7413.898689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7413.898689][ T10] [ 7413.901040][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7413.901040][ T10] netdev_get_by_index+0x5e/0x80 [ 7413.901040][ T10] fib6_nh_init+0x3d8/0x1580 [ 7413.901040][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7413.901040][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7413.901040][ T10] ipv6_add_addr+0x411/0x2000 [ 7413.901040][ T10] inet6_addr_add+0x30e/0xa40 [ 7413.901040][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7413.901040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7413.901040][ T10] netlink_rcv_skb+0x130/0x360 [ 7413.901040][ T10] netlink_unicast+0x449/0x710 [ 7413.901040][ T10] netlink_sendmsg+0x723/0xbe0 [ 7413.901040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7413.901040][ T10] ___sys_sendmsg+0xee/0x170 [ 7413.901040][ T10] __sys_sendmsg+0xcd/0x170 [ 7413.901040][ T10] do_syscall_64+0xc6/0x1e0 [ 7413.901040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7413.901040][ T10] [ 7413.903260][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7413.903260][ T10] netdev_get_by_index+0x5e/0x80 [ 7413.903260][ T10] fib6_nh_init+0x3d8/0x1580 [ 7413.903260][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7413.903260][ T10] ip6_route_add+0x1c/0x140 [ 7413.903260][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7413.903260][ T10] addrconf_add_dev+0xe2/0x170 [ 7413.903260][ T10] inet6_addr_add+0x12f/0xa40 [ 7413.903260][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7413.903260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7413.903260][ T10] netlink_rcv_skb+0x130/0x360 [ 7413.903260][ T10] netlink_unicast+0x449/0x710 [ 7413.903260][ T10] netlink_sendmsg+0x723/0xbe0 [ 7413.903260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7413.903260][ T10] ___sys_sendmsg+0xee/0x170 [ 7413.903260][ T10] __sys_sendmsg+0xcd/0x170 [ 7413.903260][ T10] do_syscall_64+0xc6/0x1e0 [ 7413.903260][ T10] [ 7413.905490][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7413.905490][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7413.905490][ T10] ipv6_find_idev+0x102/0x170 [ 7413.905490][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7413.905490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7413.905490][ T10] netlink_rcv_skb+0x130/0x360 [ 7413.905490][ T10] netlink_unicast+0x449/0x710 [ 7413.905490][ T10] netlink_sendmsg+0x723/0xbe0 [ 7413.905490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7413.905490][ T10] ___sys_sendmsg+0xee/0x170 [ 7413.905490][ T10] __sys_sendmsg+0xcd/0x170 [ 7413.905490][ T10] do_syscall_64+0xc6/0x1e0 [ 7413.905490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7413.905490][ T10] [ 7413.907226][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7413.907226][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7413.907226][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7413.907226][ T10] ipv6_find_idev+0x102/0x170 [ 7413.907226][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7413.907226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7413.907226][ T10] netlink_rcv_skb+0x130/0x360 [ 7413.907226][ T10] netlink_unicast+0x449/0x710 [ 7413.907226][ T10] netlink_sendmsg+0x723/0xbe0 [ 7413.907226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7413.907226][ T10] ___sys_sendmsg+0xee/0x170 [ 7413.907226][ T10] __sys_sendmsg+0xcd/0x170 [ 7413.907226][ T10] do_syscall_64+0xc6/0x1e0 [ 7413.907226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7413.907226][ T10] [ 7413.909483][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7413.909728][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7413.909728][ T10] netdev_get_by_index+0x5e/0x80 [ 7413.909728][ T10] fib6_nh_init+0x3d8/0x1580 [ 7413.909728][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7413.909728][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7413.909728][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7413.909728][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7413.909728][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7413.909728][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7413.909728][ T10] addrconf_dad_begin+0x310/0x670 [ 7413.909728][ T10] addrconf_dad_work+0x10b/0xab0 [ 7413.909728][ T10] process_one_work+0x84d/0x18a0 [ 7413.909728][ T10] worker_thread+0x587/0xd30 [ 7413.909728][ T10] kthread+0x28a/0x350 [ 7413.909728][ T10] ret_from_fork+0x31/0x70 [ 7413.909728][ T10] ret_from_fork_asm+0x1a/0x30 [ 7413.909728][ T10] [ 7413.911677][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7413.911677][ T10] netdev_get_by_index+0x5e/0x80 [ 7413.911677][ T10] fib6_nh_init+0x3d8/0x1580 [ 7413.911677][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7413.911677][ T10] ip6_route_add+0x1c/0x140 [ 7413.911677][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7413.911677][ T10] inet6_addr_add+0x4f8/0xa40 [ 7413.911677][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7413.911677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7413.911677][ T10] netlink_rcv_skb+0x130/0x360 [ 7413.911677][ T10] netlink_unicast+0x449/0x710 [ 7413.911677][ T10] netlink_sendmsg+0x723/0xbe0 [ 7413.911677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7413.911677][ T10] ___sys_sendmsg+0xee/0x170 [ 7413.911677][ T10] __sys_sendmsg+0xcd/0x170 [ 7413.911677][ T10] do_syscall_64+0xc6/0x1e0 [ 7413.911677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7413.911677][ T10] [ 7413.913824][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7413.913824][ T10] netdev_get_by_index+0x5e/0x80 [ 7413.913824][ T10] fib6_nh_init+0x3d8/0x1580 [ 7413.913824][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7413.913824][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7413.913824][ T10] ipv6_add_addr+0x411/0x2000 [ 7413.913824][ T10] inet6_addr_add+0x30e/0xa40 [ 7413.913824][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7413.913824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7413.913824][ T10] netlink_rcv_skb+0x130/0x360 [ 7413.913824][ T10] netlink_unicast+0x449/0x710 [ 7413.913824][ T10] netlink_sendmsg+0x723/0xbe0 [ 7413.913824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7413.913824][ T10] ___sys_sendmsg+0xee/0x170 [ 7413.913824][ T10] __sys_sendmsg+0xcd/0x170 [ 7413.913824][ T10] do_syscall_64+0xc6/0x1e0 [ 7413.913824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7413.913824][ T10] [ 7413.916160][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7413.916160][ T10] netdev_get_by_index+0x5e/0x80 [ 7413.916160][ T10] fib6_nh_init+0x3d8/0x1580 [ 7413.916160][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7413.916160][ T10] ip6_route_add+0x1c/0x140 [ 7413.916160][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7413.916160][ T10] addrconf_add_dev+0xe2/0x170 [ 7413.916160][ T10] inet6_addr_add+0x12f/0xa40 [ 7413.916160][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7413.916160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7413.916160][ T10] netlink_rcv_skb+0x130/0x360 [ 7413.916160][ T10] netlink_unicast+0x449/0x710 [ 7413.916160][ T10] netlink_sendmsg+0x723/0xbe0 [ 7413.916160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7413.916160][ T10] ___sys_sendmsg+0xee/0x170 [ 7413.916160][ T10] __sys_sendmsg+0xcd/0x170 [ 7413.916160][ T10] do_syscall_64+0xc6/0x1e0 [ 7413.916160][ T10] [ 7413.918424][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7413.918424][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7413.918424][ T10] ipv6_find_idev+0x102/0x170 [ 7413.918424][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7413.918424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7413.918424][ T10] netlink_rcv_skb+0x130/0x360 [ 7413.918424][ T10] netlink_unicast+0x449/0x710 [ 7413.918424][ T10] netlink_sendmsg+0x723/0xbe0 [ 7413.918424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7413.918424][ T10] ___sys_sendmsg+0xee/0x170 [ 7413.918424][ T10] __sys_sendmsg+0xcd/0x170 [ 7413.918424][ T10] do_syscall_64+0xc6/0x1e0 [ 7413.918424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7413.918424][ T10] [ 7413.920159][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7413.920159][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7413.920159][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7413.920159][ T10] ipv6_find_idev+0x102/0x170 [ 7413.920159][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7413.920159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7413.920159][ T10] netlink_rcv_skb+0x130/0x360 [ 7413.920159][ T10] netlink_unicast+0x449/0x710 [ 7413.920159][ T10] netlink_sendmsg+0x723/0xbe0 [ 7413.920159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7413.920159][ T10] ___sys_sendmsg+0xee/0x170 [ 7413.920159][ T10] __sys_sendmsg+0xcd/0x170 [ 7413.920159][ T10] do_syscall_64+0xc6/0x1e0 [ 7413.920159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7413.920159][ T10] [ 7417.809122][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7417.809613][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7417.809613][ T1167] dst_init+0x84/0x4a0 [ 7417.809613][ T1167] dst_alloc+0x97/0x150 [ 7417.809613][ T1167] ip6_dst_alloc+0x23/0x90 [ 7417.809613][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7417.809613][ T1167] ip6_pol_route+0x56f/0x840 [ 7417.809613][ T1167] fib6_rule_lookup+0x334/0x630 [ 7417.809613][ T1167] ip6_route_output_flags+0x259/0x480 [ 7417.809613][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7417.809613][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7417.809613][ T1167] netlink_rcv_skb+0x130/0x360 [ 7417.809613][ T1167] netlink_unicast+0x449/0x710 [ 7417.809613][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7417.809613][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7417.809613][ T1167] ___sys_sendmsg+0xee/0x170 [ 7417.809613][ T1167] __sys_sendmsg+0xcd/0x170 [ 7417.809613][ T1167] do_syscall_64+0xc6/0x1e0 [ 7417.809613][ T1167] [ 7417.811853][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7417.811853][ T1167] netdev_get_by_index+0x5e/0x80 [ 7417.811853][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7417.811853][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7417.811853][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7417.811853][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7417.811853][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7417.811853][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7417.811853][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7417.811853][ T1167] addrconf_dad_begin+0x310/0x670 [ 7417.811853][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7417.811853][ T1167] process_one_work+0x84d/0x18a0 [ 7417.811853][ T1167] worker_thread+0x587/0xd30 [ 7417.811853][ T1167] kthread+0x28a/0x350 [ 7417.811853][ T1167] ret_from_fork+0x31/0x70 [ 7417.811853][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7417.811853][ T1167] [ 7417.814030][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7417.814030][ T1167] netdev_get_by_index+0x5e/0x80 [ 7417.814030][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7417.814030][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7417.814030][ T1167] ip6_route_add+0x1c/0x140 [ 7417.814030][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7417.814030][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7417.814030][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7417.814030][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7417.814030][ T1167] netlink_rcv_skb+0x130/0x360 [ 7417.814030][ T1167] netlink_unicast+0x449/0x710 [ 7417.814030][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7417.814030][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7417.814030][ T1167] ___sys_sendmsg+0xee/0x170 [ 7417.814030][ T1167] __sys_sendmsg+0xcd/0x170 [ 7417.814030][ T1167] do_syscall_64+0xc6/0x1e0 [ 7417.814030][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7417.814030][ T1167] [ 7417.816311][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7417.816311][ T1167] netdev_get_by_index+0x5e/0x80 [ 7417.816311][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7417.816311][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7417.816311][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7417.816311][ T1167] ipv6_add_addr+0x411/0x2000 [ 7417.816311][ T1167] inet6_addr_add+0x30e/0xa40 [ 7417.816311][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7417.816311][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7417.816311][ T1167] netlink_rcv_skb+0x130/0x360 [ 7417.816311][ T1167] netlink_unicast+0x449/0x710 [ 7417.816311][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7417.816311][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7417.816311][ T1167] ___sys_sendmsg+0xee/0x170 [ 7417.816311][ T1167] __sys_sendmsg+0xcd/0x170 [ 7417.816311][ T1167] do_syscall_64+0xc6/0x1e0 [ 7417.816311][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7417.816311][ T1167] [ 7417.818599][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7417.818599][ T1167] netdev_get_by_index+0x5e/0x80 [ 7417.818599][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7417.818599][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7417.818599][ T1167] ip6_route_add+0x1c/0x140 [ 7417.818599][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7417.818599][ T1167] addrconf_add_dev+0xe2/0x170 [ 7417.818599][ T1167] inet6_addr_add+0x12f/0xa40 [ 7417.818599][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7417.818599][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7417.818599][ T1167] netlink_rcv_skb+0x130/0x360 [ 7417.818599][ T1167] netlink_unicast+0x449/0x710 [ 7417.818599][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7417.818599][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7417.818599][ T1167] ___sys_sendmsg+0xee/0x170 [ 7417.818599][ T1167] __sys_sendmsg+0xcd/0x170 [ 7417.818599][ T1167] do_syscall_64+0xc6/0x1e0 [ 7417.818599][ T1167] [ 7417.820841][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7417.820841][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7417.820841][ T1167] ipv6_find_idev+0x102/0x170 [ 7417.820841][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7417.820841][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7417.820841][ T1167] netlink_rcv_skb+0x130/0x360 [ 7417.820841][ T1167] netlink_unicast+0x449/0x710 [ 7417.820841][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7417.820841][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7417.820841][ T1167] ___sys_sendmsg+0xee/0x170 [ 7417.820841][ T1167] __sys_sendmsg+0xcd/0x170 [ 7417.820841][ T1167] do_syscall_64+0xc6/0x1e0 [ 7417.820841][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7417.820841][ T1167] [ 7417.822593][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7417.822593][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7417.822593][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7417.822593][ T1167] ipv6_find_idev+0x102/0x170 [ 7417.822593][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7417.822593][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7417.822593][ T1167] netlink_rcv_skb+0x130/0x360 [ 7417.822593][ T1167] netlink_unicast+0x449/0x710 [ 7417.822593][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7417.822593][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7417.822593][ T1167] ___sys_sendmsg+0xee/0x170 [ 7417.822593][ T1167] __sys_sendmsg+0xcd/0x170 [ 7417.822593][ T1167] do_syscall_64+0xc6/0x1e0 [ 7417.822593][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7417.822593][ T1167] [ 7424.161158][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7424.161625][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7424.161625][ T10] netdev_get_by_index+0x5e/0x80 [ 7424.161625][ T10] fib6_nh_init+0x3d8/0x1580 [ 7424.161625][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7424.161625][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7424.161625][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7424.161625][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7424.161625][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7424.161625][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7424.161625][ T10] addrconf_dad_begin+0x310/0x670 [ 7424.161625][ T10] addrconf_dad_work+0x10b/0xab0 [ 7424.161625][ T10] process_one_work+0x84d/0x18a0 [ 7424.161625][ T10] worker_thread+0x587/0xd30 [ 7424.161625][ T10] kthread+0x28a/0x350 [ 7424.161625][ T10] ret_from_fork+0x31/0x70 [ 7424.161625][ T10] ret_from_fork_asm+0x1a/0x30 [ 7424.161625][ T10] [ 7424.163824][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7424.163824][ T10] netdev_get_by_index+0x5e/0x80 [ 7424.163824][ T10] fib6_nh_init+0x3d8/0x1580 [ 7424.163824][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7424.163824][ T10] ip6_route_add+0x1c/0x140 [ 7424.163824][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7424.163824][ T10] inet6_addr_add+0x4f8/0xa40 [ 7424.163824][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7424.163824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7424.163824][ T10] netlink_rcv_skb+0x130/0x360 [ 7424.163824][ T10] netlink_unicast+0x449/0x710 [ 7424.163824][ T10] netlink_sendmsg+0x723/0xbe0 [ 7424.163824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7424.163824][ T10] ___sys_sendmsg+0xee/0x170 [ 7424.163824][ T10] __sys_sendmsg+0xcd/0x170 [ 7424.163824][ T10] do_syscall_64+0xc6/0x1e0 [ 7424.163824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7424.163824][ T10] [ 7424.166075][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7424.166075][ T10] netdev_get_by_index+0x5e/0x80 [ 7424.166075][ T10] fib6_nh_init+0x3d8/0x1580 [ 7424.166075][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7424.166075][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7424.166075][ T10] ipv6_add_addr+0x411/0x2000 [ 7424.166075][ T10] inet6_addr_add+0x30e/0xa40 [ 7424.166075][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7424.166075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7424.166075][ T10] netlink_rcv_skb+0x130/0x360 [ 7424.166075][ T10] netlink_unicast+0x449/0x710 [ 7424.166075][ T10] netlink_sendmsg+0x723/0xbe0 [ 7424.166075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7424.166075][ T10] ___sys_sendmsg+0xee/0x170 [ 7424.166075][ T10] __sys_sendmsg+0xcd/0x170 [ 7424.166075][ T10] do_syscall_64+0xc6/0x1e0 [ 7424.166075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7424.166075][ T10] [ 7424.168303][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7424.168303][ T10] netdev_get_by_index+0x5e/0x80 [ 7424.168303][ T10] fib6_nh_init+0x3d8/0x1580 [ 7424.168303][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7424.168303][ T10] ip6_route_add+0x1c/0x140 [ 7424.168303][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7424.168303][ T10] addrconf_add_dev+0xe2/0x170 [ 7424.168303][ T10] inet6_addr_add+0x12f/0xa40 [ 7424.168303][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7424.168303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7424.168303][ T10] netlink_rcv_skb+0x130/0x360 [ 7424.168303][ T10] netlink_unicast+0x449/0x710 [ 7424.168303][ T10] netlink_sendmsg+0x723/0xbe0 [ 7424.168303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7424.168303][ T10] ___sys_sendmsg+0xee/0x170 [ 7424.168303][ T10] __sys_sendmsg+0xcd/0x170 [ 7424.168303][ T10] do_syscall_64+0xc6/0x1e0 [ 7424.168303][ T10] [ 7424.170491][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7424.170491][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7424.170491][ T10] ipv6_find_idev+0x102/0x170 [ 7424.170491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7424.170491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7424.170491][ T10] netlink_rcv_skb+0x130/0x360 [ 7424.170491][ T10] netlink_unicast+0x449/0x710 [ 7424.170491][ T10] netlink_sendmsg+0x723/0xbe0 [ 7424.170491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7424.170491][ T10] ___sys_sendmsg+0xee/0x170 [ 7424.170491][ T10] __sys_sendmsg+0xcd/0x170 [ 7424.170491][ T10] do_syscall_64+0xc6/0x1e0 [ 7424.170491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7424.170491][ T10] [ 7424.172202][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7424.172202][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7424.172202][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7424.172202][ T10] ipv6_find_idev+0x102/0x170 [ 7424.172202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7424.172202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7424.172202][ T10] netlink_rcv_skb+0x130/0x360 [ 7424.172202][ T10] netlink_unicast+0x449/0x710 [ 7424.172202][ T10] netlink_sendmsg+0x723/0xbe0 [ 7424.172202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7424.172202][ T10] ___sys_sendmsg+0xee/0x170 [ 7424.172202][ T10] __sys_sendmsg+0xcd/0x170 [ 7424.172202][ T10] do_syscall_64+0xc6/0x1e0 [ 7424.172202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7424.172202][ T10] [ 7424.174228][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7424.174492][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7424.174492][ T10] netdev_get_by_index+0x5e/0x80 [ 7424.174492][ T10] fib6_nh_init+0x3d8/0x1580 [ 7424.174492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7424.174492][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7424.174492][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7424.174492][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7424.174492][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7424.174492][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7424.174492][ T10] addrconf_dad_begin+0x310/0x670 [ 7424.174492][ T10] addrconf_dad_work+0x10b/0xab0 [ 7424.174492][ T10] process_one_work+0x84d/0x18a0 [ 7424.174492][ T10] worker_thread+0x587/0xd30 [ 7424.174492][ T10] kthread+0x28a/0x350 [ 7424.174492][ T10] ret_from_fork+0x31/0x70 [ 7424.174492][ T10] ret_from_fork_asm+0x1a/0x30 [ 7424.174492][ T10] [ 7424.176629][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7424.176629][ T10] netdev_get_by_index+0x5e/0x80 [ 7424.176629][ T10] fib6_nh_init+0x3d8/0x1580 [ 7424.176629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7424.176629][ T10] ip6_route_add+0x1c/0x140 [ 7424.176629][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7424.176629][ T10] inet6_addr_add+0x4f8/0xa40 [ 7424.176629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7424.176629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7424.176629][ T10] netlink_rcv_skb+0x130/0x360 [ 7424.176629][ T10] netlink_unicast+0x449/0x710 [ 7424.176629][ T10] netlink_sendmsg+0x723/0xbe0 [ 7424.176629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7424.176629][ T10] ___sys_sendmsg+0xee/0x170 [ 7424.176629][ T10] __sys_sendmsg+0xcd/0x170 [ 7424.176629][ T10] do_syscall_64+0xc6/0x1e0 [ 7424.176629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7424.176629][ T10] [ 7424.178847][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7424.178847][ T10] netdev_get_by_index+0x5e/0x80 [ 7424.178847][ T10] fib6_nh_init+0x3d8/0x1580 [ 7424.178847][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7424.178847][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7424.178847][ T10] ipv6_add_addr+0x411/0x2000 [ 7424.178847][ T10] inet6_addr_add+0x30e/0xa40 [ 7424.178847][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7424.178847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7424.178847][ T10] netlink_rcv_skb+0x130/0x360 [ 7424.178847][ T10] netlink_unicast+0x449/0x710 [ 7424.178847][ T10] netlink_sendmsg+0x723/0xbe0 [ 7424.178847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7424.178847][ T10] ___sys_sendmsg+0xee/0x170 [ 7424.178847][ T10] __sys_sendmsg+0xcd/0x170 [ 7424.178847][ T10] do_syscall_64+0xc6/0x1e0 [ 7424.178847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7424.178847][ T10] [ 7424.181059][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7424.181059][ T10] netdev_get_by_index+0x5e/0x80 [ 7424.181059][ T10] fib6_nh_init+0x3d8/0x1580 [ 7424.181059][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7424.181059][ T10] ip6_route_add+0x1c/0x140 [ 7424.181059][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7424.181059][ T10] addrconf_add_dev+0xe2/0x170 [ 7424.181059][ T10] inet6_addr_add+0x12f/0xa40 [ 7424.181059][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7424.181059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7424.181059][ T10] netlink_rcv_skb+0x130/0x360 [ 7424.181059][ T10] netlink_unicast+0x449/0x710 [ 7424.181059][ T10] netlink_sendmsg+0x723/0xbe0 [ 7424.181059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7424.181059][ T10] ___sys_sendmsg+0xee/0x170 [ 7424.181059][ T10] __sys_sendmsg+0xcd/0x170 [ 7424.181059][ T10] do_syscall_64+0xc6/0x1e0 [ 7424.181059][ T10] [ 7424.183246][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7424.183246][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7424.183246][ T10] ipv6_find_idev+0x102/0x170 [ 7424.183246][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7424.183246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7424.183246][ T10] netlink_rcv_skb+0x130/0x360 [ 7424.183246][ T10] netlink_unicast+0x449/0x710 [ 7424.183246][ T10] netlink_sendmsg+0x723/0xbe0 [ 7424.183246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7424.183246][ T10] ___sys_sendmsg+0xee/0x170 [ 7424.183246][ T10] __sys_sendmsg+0xcd/0x170 [ 7424.183246][ T10] do_syscall_64+0xc6/0x1e0 [ 7424.183246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7424.183246][ T10] [ 7424.184954][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7424.184954][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7424.184954][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7424.184954][ T10] ipv6_find_idev+0x102/0x170 [ 7424.184954][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7424.184954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7424.184954][ T10] netlink_rcv_skb+0x130/0x360 [ 7424.184954][ T10] netlink_unicast+0x449/0x710 [ 7424.184954][ T10] netlink_sendmsg+0x723/0xbe0 [ 7424.184954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7424.184954][ T10] ___sys_sendmsg+0xee/0x170 [ 7424.184954][ T10] __sys_sendmsg+0xcd/0x170 [ 7424.184954][ T10] do_syscall_64+0xc6/0x1e0 [ 7424.184954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7424.184954][ T10] [ 7424.186817][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7424.187095][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7424.187095][ T10] netdev_get_by_index+0x5e/0x80 [ 7424.187095][ T10] fib6_nh_init+0x3d8/0x1580 [ 7424.187095][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7424.187095][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7424.187095][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7424.187095][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7424.187095][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7424.187095][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7424.187095][ T10] addrconf_dad_begin+0x310/0x670 [ 7424.187095][ T10] addrconf_dad_work+0x10b/0xab0 [ 7424.187095][ T10] process_one_work+0x84d/0x18a0 [ 7424.187095][ T10] worker_thread+0x587/0xd30 [ 7424.187095][ T10] kthread+0x28a/0x350 [ 7424.187095][ T10] ret_from_fork+0x31/0x70 [ 7424.187095][ T10] ret_from_fork_asm+0x1a/0x30 [ 7424.187095][ T10] [ 7424.189203][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7424.189203][ T10] netdev_get_by_index+0x5e/0x80 [ 7424.189203][ T10] fib6_nh_init+0x3d8/0x1580 [ 7424.189203][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7424.189203][ T10] ip6_route_add+0x1c/0x140 [ 7424.189203][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7424.189203][ T10] inet6_addr_add+0x4f8/0xa40 [ 7424.189203][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7424.189203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7424.189203][ T10] netlink_rcv_skb+0x130/0x360 [ 7424.189203][ T10] netlink_unicast+0x449/0x710 [ 7424.189203][ T10] netlink_sendmsg+0x723/0xbe0 [ 7424.189203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7424.189203][ T10] ___sys_sendmsg+0xee/0x170 [ 7424.189203][ T10] __sys_sendmsg+0xcd/0x170 [ 7424.189203][ T10] do_syscall_64+0xc6/0x1e0 [ 7424.189203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7424.189203][ T10] [ 7424.191620][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7424.191620][ T10] netdev_get_by_index+0x5e/0x80 [ 7424.191620][ T10] fib6_nh_init+0x3d8/0x1580 [ 7424.191620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7424.191620][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7424.191620][ T10] ipv6_add_addr+0x411/0x2000 [ 7424.191620][ T10] inet6_addr_add+0x30e/0xa40 [ 7424.191620][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7424.191620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7424.191620][ T10] netlink_rcv_skb+0x130/0x360 [ 7424.191620][ T10] netlink_unicast+0x449/0x710 [ 7424.191620][ T10] netlink_sendmsg+0x723/0xbe0 [ 7424.191620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7424.191620][ T10] ___sys_sendmsg+0xee/0x170 [ 7424.191620][ T10] __sys_sendmsg+0xcd/0x170 [ 7424.191620][ T10] do_syscall_64+0xc6/0x1e0 [ 7424.191620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7424.191620][ T10] [ 7424.194165][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7424.194165][ T10] netdev_get_by_index+0x5e/0x80 [ 7424.194165][ T10] fib6_nh_init+0x3d8/0x1580 [ 7424.194165][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7424.194165][ T10] ip6_route_add+0x1c/0x140 [ 7424.194165][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7424.194165][ T10] addrconf_add_dev+0xe2/0x170 [ 7424.194165][ T10] inet6_addr_add+0x12f/0xa40 [ 7424.194165][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7424.194165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7424.194165][ T10] netlink_rcv_skb+0x130/0x360 [ 7424.194165][ T10] netlink_unicast+0x449/0x710 [ 7424.194165][ T10] netlink_sendmsg+0x723/0xbe0 [ 7424.194165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7424.194165][ T10] ___sys_sendmsg+0xee/0x170 [ 7424.194165][ T10] __sys_sendmsg+0xcd/0x170 [ 7424.194165][ T10] do_syscall_64+0xc6/0x1e0 [ 7424.194165][ T10] [ 7424.196597][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7424.196597][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7424.196597][ T10] ipv6_find_idev+0x102/0x170 [ 7424.196597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7424.196597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7424.196597][ T10] netlink_rcv_skb+0x130/0x360 [ 7424.196597][ T10] netlink_unicast+0x449/0x710 [ 7424.196597][ T10] netlink_sendmsg+0x723/0xbe0 [ 7424.196597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7424.196597][ T10] ___sys_sendmsg+0xee/0x170 [ 7424.196597][ T10] __sys_sendmsg+0xcd/0x170 [ 7424.196597][ T10] do_syscall_64+0xc6/0x1e0 [ 7424.196597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7424.196597][ T10] [ 7424.198445][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7424.198445][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7424.198445][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7424.198445][ T10] ipv6_find_idev+0x102/0x170 [ 7424.198445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7424.198445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7424.198445][ T10] netlink_rcv_skb+0x130/0x360 [ 7424.198445][ T10] netlink_unicast+0x449/0x710 [ 7424.198445][ T10] netlink_sendmsg+0x723/0xbe0 [ 7424.198445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7424.198445][ T10] ___sys_sendmsg+0xee/0x170 [ 7424.198445][ T10] __sys_sendmsg+0xcd/0x170 [ 7424.198445][ T10] do_syscall_64+0xc6/0x1e0 [ 7424.198445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7424.198445][ T10] [ 7424.200435][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7424.200695][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7424.200695][ T10] netdev_get_by_index+0x5e/0x80 [ 7424.200695][ T10] fib6_nh_init+0x3d8/0x1580 [ 7424.200695][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7424.200695][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7424.200695][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7424.200695][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7424.200695][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7424.200695][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7424.200695][ T10] addrconf_dad_begin+0x310/0x670 [ 7424.200695][ T10] addrconf_dad_work+0x10b/0xab0 [ 7424.200695][ T10] process_one_work+0x84d/0x18a0 [ 7424.200695][ T10] worker_thread+0x587/0xd30 [ 7424.200695][ T10] kthread+0x28a/0x350 [ 7424.200695][ T10] ret_from_fork+0x31/0x70 [ 7424.200695][ T10] ret_from_fork_asm+0x1a/0x30 [ 7424.200695][ T10] [ 7424.203128][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7424.203128][ T10] netdev_get_by_index+0x5e/0x80 [ 7424.203128][ T10] fib6_nh_init+0x3d8/0x1580 [ 7424.203128][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7424.203128][ T10] ip6_route_add+0x1c/0x140 [ 7424.203128][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7424.203128][ T10] inet6_addr_add+0x4f8/0xa40 [ 7424.203128][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7424.203128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7424.203128][ T10] netlink_rcv_skb+0x130/0x360 [ 7424.203128][ T10] netlink_unicast+0x449/0x710 [ 7424.203128][ T10] netlink_sendmsg+0x723/0xbe0 [ 7424.203128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7424.203128][ T10] ___sys_sendmsg+0xee/0x170 [ 7424.203128][ T10] __sys_sendmsg+0xcd/0x170 [ 7424.203128][ T10] do_syscall_64+0xc6/0x1e0 [ 7424.203128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7424.203128][ T10] [ 7424.205542][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7424.205542][ T10] netdev_get_by_index+0x5e/0x80 [ 7424.205542][ T10] fib6_nh_init+0x3d8/0x1580 [ 7424.205542][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7424.205542][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7424.205542][ T10] ipv6_add_addr+0x411/0x2000 [ 7424.205542][ T10] inet6_addr_add+0x30e/0xa40 [ 7424.205542][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7424.205542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7424.205542][ T10] netlink_rcv_skb+0x130/0x360 [ 7424.205542][ T10] netlink_unicast+0x449/0x710 [ 7424.205542][ T10] netlink_sendmsg+0x723/0xbe0 [ 7424.205542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7424.205542][ T10] ___sys_sendmsg+0xee/0x170 [ 7424.205542][ T10] __sys_sendmsg+0xcd/0x170 [ 7424.205542][ T10] do_syscall_64+0xc6/0x1e0 [ 7424.205542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7424.205542][ T10] [ 7424.208000][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7424.208000][ T10] netdev_get_by_index+0x5e/0x80 [ 7424.208000][ T10] fib6_nh_init+0x3d8/0x1580 [ 7424.208000][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7424.208000][ T10] ip6_route_add+0x1c/0x140 [ 7424.208000][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7424.208000][ T10] addrconf_add_dev+0xe2/0x170 [ 7424.208000][ T10] inet6_addr_add+0x12f/0xa40 [ 7424.208000][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7424.208000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7424.208000][ T10] netlink_rcv_skb+0x130/0x360 [ 7424.208000][ T10] netlink_unicast+0x449/0x710 [ 7424.208000][ T10] netlink_sendmsg+0x723/0xbe0 [ 7424.208000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7424.208000][ T10] ___sys_sendmsg+0xee/0x170 [ 7424.208000][ T10] __sys_sendmsg+0xcd/0x170 [ 7424.208000][ T10] do_syscall_64+0xc6/0x1e0 [ 7424.208000][ T10] [ 7424.210351][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7424.210351][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7424.210351][ T10] ipv6_find_idev+0x102/0x170 [ 7424.210351][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7424.210351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7424.210351][ T10] netlink_rcv_skb+0x130/0x360 [ 7424.210351][ T10] netlink_unicast+0x449/0x710 [ 7424.210351][ T10] netlink_sendmsg+0x723/0xbe0 [ 7424.210351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7424.210351][ T10] ___sys_sendmsg+0xee/0x170 [ 7424.210351][ T10] __sys_sendmsg+0xcd/0x170 [ 7424.210351][ T10] do_syscall_64+0xc6/0x1e0 [ 7424.210351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7424.210351][ T10] [ 7424.212189][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7424.212189][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7424.212189][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7424.212189][ T10] ipv6_find_idev+0x102/0x170 [ 7424.212189][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7424.212189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7424.212189][ T10] netlink_rcv_skb+0x130/0x360 [ 7424.212189][ T10] netlink_unicast+0x449/0x710 [ 7424.212189][ T10] netlink_sendmsg+0x723/0xbe0 [ 7424.212189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7424.212189][ T10] ___sys_sendmsg+0xee/0x170 [ 7424.212189][ T10] __sys_sendmsg+0xcd/0x170 [ 7424.212189][ T10] do_syscall_64+0xc6/0x1e0 [ 7424.212189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7424.212189][ T10] [ 7428.065058][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7428.065550][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7428.065550][ T1167] dst_init+0x84/0x4a0 [ 7428.065550][ T1167] dst_alloc+0x97/0x150 [ 7428.065550][ T1167] ip6_dst_alloc+0x23/0x90 [ 7428.065550][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7428.065550][ T1167] ip6_pol_route+0x56f/0x840 [ 7428.065550][ T1167] fib6_rule_lookup+0x334/0x630 [ 7428.065550][ T1167] ip6_route_output_flags+0x259/0x480 [ 7428.065550][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7428.065550][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7428.065550][ T1167] netlink_rcv_skb+0x130/0x360 [ 7428.065550][ T1167] netlink_unicast+0x449/0x710 [ 7428.065550][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7428.065550][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7428.065550][ T1167] ___sys_sendmsg+0xee/0x170 [ 7428.065550][ T1167] __sys_sendmsg+0xcd/0x170 [ 7428.065550][ T1167] do_syscall_64+0xc6/0x1e0 [ 7428.065550][ T1167] [ 7428.067771][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7428.067771][ T1167] netdev_get_by_index+0x5e/0x80 [ 7428.067771][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7428.067771][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7428.067771][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7428.067771][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7428.067771][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7428.067771][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7428.067771][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7428.067771][ T1167] addrconf_dad_begin+0x310/0x670 [ 7428.067771][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7428.067771][ T1167] process_one_work+0x84d/0x18a0 [ 7428.067771][ T1167] worker_thread+0x587/0xd30 [ 7428.067771][ T1167] kthread+0x28a/0x350 [ 7428.067771][ T1167] ret_from_fork+0x31/0x70 [ 7428.067771][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7428.067771][ T1167] [ 7428.069917][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7428.069917][ T1167] netdev_get_by_index+0x5e/0x80 [ 7428.069917][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7428.069917][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7428.069917][ T1167] ip6_route_add+0x1c/0x140 [ 7428.069917][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7428.069917][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7428.069917][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7428.069917][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7428.069917][ T1167] netlink_rcv_skb+0x130/0x360 [ 7428.069917][ T1167] netlink_unicast+0x449/0x710 [ 7428.069917][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7428.069917][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7428.069917][ T1167] ___sys_sendmsg+0xee/0x170 [ 7428.069917][ T1167] __sys_sendmsg+0xcd/0x170 [ 7428.069917][ T1167] do_syscall_64+0xc6/0x1e0 [ 7428.069917][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7428.069917][ T1167] [ 7428.072169][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7428.072169][ T1167] netdev_get_by_index+0x5e/0x80 [ 7428.072169][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7428.072169][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7428.072169][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7428.072169][ T1167] ipv6_add_addr+0x411/0x2000 [ 7428.072169][ T1167] inet6_addr_add+0x30e/0xa40 [ 7428.072169][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7428.072169][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7428.072169][ T1167] netlink_rcv_skb+0x130/0x360 [ 7428.072169][ T1167] netlink_unicast+0x449/0x710 [ 7428.072169][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7428.072169][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7428.072169][ T1167] ___sys_sendmsg+0xee/0x170 [ 7428.072169][ T1167] __sys_sendmsg+0xcd/0x170 [ 7428.072169][ T1167] do_syscall_64+0xc6/0x1e0 [ 7428.072169][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7428.072169][ T1167] [ 7428.074439][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7428.074439][ T1167] netdev_get_by_index+0x5e/0x80 [ 7428.074439][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7428.074439][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7428.074439][ T1167] ip6_route_add+0x1c/0x140 [ 7428.074439][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7428.074439][ T1167] addrconf_add_dev+0xe2/0x170 [ 7428.074439][ T1167] inet6_addr_add+0x12f/0xa40 [ 7428.074439][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7428.074439][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7428.074439][ T1167] netlink_rcv_skb+0x130/0x360 [ 7428.074439][ T1167] netlink_unicast+0x449/0x710 [ 7428.074439][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7428.074439][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7428.074439][ T1167] ___sys_sendmsg+0xee/0x170 [ 7428.074439][ T1167] __sys_sendmsg+0xcd/0x170 [ 7428.074439][ T1167] do_syscall_64+0xc6/0x1e0 [ 7428.074439][ T1167] [ 7428.076663][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7428.076663][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7428.076663][ T1167] ipv6_find_idev+0x102/0x170 [ 7428.076663][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7428.076663][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7428.076663][ T1167] netlink_rcv_skb+0x130/0x360 [ 7428.076663][ T1167] netlink_unicast+0x449/0x710 [ 7428.076663][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7428.076663][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7428.076663][ T1167] ___sys_sendmsg+0xee/0x170 [ 7428.076663][ T1167] __sys_sendmsg+0xcd/0x170 [ 7428.076663][ T1167] do_syscall_64+0xc6/0x1e0 [ 7428.076663][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7428.076663][ T1167] [ 7428.078391][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7428.078391][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7428.078391][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7428.078391][ T1167] ipv6_find_idev+0x102/0x170 [ 7428.078391][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7428.078391][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7428.078391][ T1167] netlink_rcv_skb+0x130/0x360 [ 7428.078391][ T1167] netlink_unicast+0x449/0x710 [ 7428.078391][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7428.078391][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7428.078391][ T1167] ___sys_sendmsg+0xee/0x170 [ 7428.078391][ T1167] __sys_sendmsg+0xcd/0x170 [ 7428.078391][ T1167] do_syscall_64+0xc6/0x1e0 [ 7428.078391][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7428.078391][ T1167] [ 7434.457072][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7434.457664][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7434.457664][ T10] netdev_get_by_index+0x5e/0x80 [ 7434.457664][ T10] fib6_nh_init+0x3d8/0x1580 [ 7434.457664][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7434.457664][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7434.457664][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7434.457664][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7434.457664][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7434.457664][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7434.457664][ T10] addrconf_dad_begin+0x310/0x670 [ 7434.457664][ T10] addrconf_dad_work+0x10b/0xab0 [ 7434.457664][ T10] process_one_work+0x84d/0x18a0 [ 7434.457664][ T10] worker_thread+0x587/0xd30 [ 7434.457664][ T10] kthread+0x28a/0x350 [ 7434.457664][ T10] ret_from_fork+0x31/0x70 [ 7434.457664][ T10] ret_from_fork_asm+0x1a/0x30 [ 7434.457664][ T10] [ 7434.460731][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7434.460731][ T10] netdev_get_by_index+0x5e/0x80 [ 7434.460731][ T10] fib6_nh_init+0x3d8/0x1580 [ 7434.460731][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7434.460731][ T10] ip6_route_add+0x1c/0x140 [ 7434.460731][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7434.460731][ T10] inet6_addr_add+0x4f8/0xa40 [ 7434.460731][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7434.460731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7434.460731][ T10] netlink_rcv_skb+0x130/0x360 [ 7434.460731][ T10] netlink_unicast+0x449/0x710 [ 7434.460731][ T10] netlink_sendmsg+0x723/0xbe0 [ 7434.460731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7434.460731][ T10] ___sys_sendmsg+0xee/0x170 [ 7434.460731][ T10] __sys_sendmsg+0xcd/0x170 [ 7434.460731][ T10] do_syscall_64+0xc6/0x1e0 [ 7434.460731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7434.460731][ T10] [ 7434.463973][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7434.463973][ T10] netdev_get_by_index+0x5e/0x80 [ 7434.463973][ T10] fib6_nh_init+0x3d8/0x1580 [ 7434.463973][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7434.463973][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7434.463973][ T10] ipv6_add_addr+0x411/0x2000 [ 7434.463973][ T10] inet6_addr_add+0x30e/0xa40 [ 7434.463973][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7434.463973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7434.463973][ T10] netlink_rcv_skb+0x130/0x360 [ 7434.463973][ T10] netlink_unicast+0x449/0x710 [ 7434.463973][ T10] netlink_sendmsg+0x723/0xbe0 [ 7434.463973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7434.463973][ T10] ___sys_sendmsg+0xee/0x170 [ 7434.463973][ T10] __sys_sendmsg+0xcd/0x170 [ 7434.463973][ T10] do_syscall_64+0xc6/0x1e0 [ 7434.463973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7434.463973][ T10] [ 7434.466911][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7434.466911][ T10] netdev_get_by_index+0x5e/0x80 [ 7434.466911][ T10] fib6_nh_init+0x3d8/0x1580 [ 7434.466911][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7434.466911][ T10] ip6_route_add+0x1c/0x140 [ 7434.466911][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7434.466911][ T10] addrconf_add_dev+0xe2/0x170 [ 7434.466911][ T10] inet6_addr_add+0x12f/0xa40 [ 7434.466911][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7434.466911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7434.466911][ T10] netlink_rcv_skb+0x130/0x360 [ 7434.466911][ T10] netlink_unicast+0x449/0x710 [ 7434.466911][ T10] netlink_sendmsg+0x723/0xbe0 [ 7434.466911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7434.466911][ T10] ___sys_sendmsg+0xee/0x170 [ 7434.466911][ T10] __sys_sendmsg+0xcd/0x170 [ 7434.466911][ T10] do_syscall_64+0xc6/0x1e0 [ 7434.466911][ T10] [ 7434.469990][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7434.469990][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7434.469990][ T10] ipv6_find_idev+0x102/0x170 [ 7434.469990][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7434.469990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7434.469990][ T10] netlink_rcv_skb+0x130/0x360 [ 7434.469990][ T10] netlink_unicast+0x449/0x710 [ 7434.469990][ T10] netlink_sendmsg+0x723/0xbe0 [ 7434.469990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7434.469990][ T10] ___sys_sendmsg+0xee/0x170 [ 7434.469990][ T10] __sys_sendmsg+0xcd/0x170 [ 7434.469990][ T10] do_syscall_64+0xc6/0x1e0 [ 7434.469990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7434.469990][ T10] [ 7434.472407][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7434.472407][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7434.472407][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7434.472407][ T10] ipv6_find_idev+0x102/0x170 [ 7434.472407][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7434.472407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7434.472407][ T10] netlink_rcv_skb+0x130/0x360 [ 7434.472407][ T10] netlink_unicast+0x449/0x710 [ 7434.472407][ T10] netlink_sendmsg+0x723/0xbe0 [ 7434.472407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7434.472407][ T10] ___sys_sendmsg+0xee/0x170 [ 7434.472407][ T10] __sys_sendmsg+0xcd/0x170 [ 7434.472407][ T10] do_syscall_64+0xc6/0x1e0 [ 7434.472407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7434.472407][ T10] [ 7434.474868][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7434.475233][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7434.475233][ T10] netdev_get_by_index+0x5e/0x80 [ 7434.475233][ T10] fib6_nh_init+0x3d8/0x1580 [ 7434.475233][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7434.475233][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7434.475233][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7434.475233][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7434.475233][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7434.475233][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7434.475233][ T10] addrconf_dad_begin+0x310/0x670 [ 7434.475233][ T10] addrconf_dad_work+0x10b/0xab0 [ 7434.475233][ T10] process_one_work+0x84d/0x18a0 [ 7434.475233][ T10] worker_thread+0x587/0xd30 [ 7434.475233][ T10] kthread+0x28a/0x350 [ 7434.475233][ T10] ret_from_fork+0x31/0x70 [ 7434.475233][ T10] ret_from_fork_asm+0x1a/0x30 [ 7434.475233][ T10] [ 7434.478124][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7434.478124][ T10] netdev_get_by_index+0x5e/0x80 [ 7434.478124][ T10] fib6_nh_init+0x3d8/0x1580 [ 7434.478124][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7434.478124][ T10] ip6_route_add+0x1c/0x140 [ 7434.478124][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7434.478124][ T10] inet6_addr_add+0x4f8/0xa40 [ 7434.478124][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7434.478124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7434.478124][ T10] netlink_rcv_skb+0x130/0x360 [ 7434.478124][ T10] netlink_unicast+0x449/0x710 [ 7434.478124][ T10] netlink_sendmsg+0x723/0xbe0 [ 7434.478124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7434.478124][ T10] ___sys_sendmsg+0xee/0x170 [ 7434.478124][ T10] __sys_sendmsg+0xcd/0x170 [ 7434.478124][ T10] do_syscall_64+0xc6/0x1e0 [ 7434.478124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7434.478124][ T10] [ 7434.481319][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7434.481319][ T10] netdev_get_by_index+0x5e/0x80 [ 7434.481319][ T10] fib6_nh_init+0x3d8/0x1580 [ 7434.481319][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7434.481319][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7434.481319][ T10] ipv6_add_addr+0x411/0x2000 [ 7434.481319][ T10] inet6_addr_add+0x30e/0xa40 [ 7434.481319][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7434.481319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7434.481319][ T10] netlink_rcv_skb+0x130/0x360 [ 7434.481319][ T10] netlink_unicast+0x449/0x710 [ 7434.481319][ T10] netlink_sendmsg+0x723/0xbe0 [ 7434.481319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7434.481319][ T10] ___sys_sendmsg+0xee/0x170 [ 7434.481319][ T10] __sys_sendmsg+0xcd/0x170 [ 7434.481319][ T10] do_syscall_64+0xc6/0x1e0 [ 7434.481319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7434.481319][ T10] [ 7434.483584][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7434.483584][ T10] netdev_get_by_index+0x5e/0x80 [ 7434.483584][ T10] fib6_nh_init+0x3d8/0x1580 [ 7434.483584][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7434.483584][ T10] ip6_route_add+0x1c/0x140 [ 7434.483584][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7434.483584][ T10] addrconf_add_dev+0xe2/0x170 [ 7434.483584][ T10] inet6_addr_add+0x12f/0xa40 [ 7434.483584][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7434.483584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7434.483584][ T10] netlink_rcv_skb+0x130/0x360 [ 7434.483584][ T10] netlink_unicast+0x449/0x710 [ 7434.483584][ T10] netlink_sendmsg+0x723/0xbe0 [ 7434.483584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7434.483584][ T10] ___sys_sendmsg+0xee/0x170 [ 7434.483584][ T10] __sys_sendmsg+0xcd/0x170 [ 7434.483584][ T10] do_syscall_64+0xc6/0x1e0 [ 7434.483584][ T10] [ 7434.485607][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7434.485607][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7434.485607][ T10] ipv6_find_idev+0x102/0x170 [ 7434.485607][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7434.485607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7434.485607][ T10] netlink_rcv_skb+0x130/0x360 [ 7434.485607][ T10] netlink_unicast+0x449/0x710 [ 7434.485607][ T10] netlink_sendmsg+0x723/0xbe0 [ 7434.485607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7434.485607][ T10] ___sys_sendmsg+0xee/0x170 [ 7434.485607][ T10] __sys_sendmsg+0xcd/0x170 [ 7434.485607][ T10] do_syscall_64+0xc6/0x1e0 [ 7434.485607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7434.485607][ T10] [ 7434.487176][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7434.487176][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7434.487176][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7434.487176][ T10] ipv6_find_idev+0x102/0x170 [ 7434.487176][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7434.487176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7434.487176][ T10] netlink_rcv_skb+0x130/0x360 [ 7434.487176][ T10] netlink_unicast+0x449/0x710 [ 7434.487176][ T10] netlink_sendmsg+0x723/0xbe0 [ 7434.487176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7434.487176][ T10] ___sys_sendmsg+0xee/0x170 [ 7434.487176][ T10] __sys_sendmsg+0xcd/0x170 [ 7434.487176][ T10] do_syscall_64+0xc6/0x1e0 [ 7434.487176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7434.487176][ T10] [ 7434.488911][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7434.489631][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7434.489631][ T10] netdev_get_by_index+0x5e/0x80 [ 7434.489631][ T10] fib6_nh_init+0x3d8/0x1580 [ 7434.489631][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7434.489631][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7434.489631][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7434.489631][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7434.489631][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7434.489631][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7434.489631][ T10] addrconf_dad_begin+0x310/0x670 [ 7434.489631][ T10] addrconf_dad_work+0x10b/0xab0 [ 7434.489631][ T10] process_one_work+0x84d/0x18a0 [ 7434.489631][ T10] worker_thread+0x587/0xd30 [ 7434.489631][ T10] kthread+0x28a/0x350 [ 7434.489631][ T10] ret_from_fork+0x31/0x70 [ 7434.489631][ T10] ret_from_fork_asm+0x1a/0x30 [ 7434.489631][ T10] [ 7434.491663][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7434.491663][ T10] netdev_get_by_index+0x5e/0x80 [ 7434.491663][ T10] fib6_nh_init+0x3d8/0x1580 [ 7434.491663][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7434.491663][ T10] ip6_route_add+0x1c/0x140 [ 7434.491663][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7434.491663][ T10] inet6_addr_add+0x4f8/0xa40 [ 7434.491663][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7434.491663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7434.491663][ T10] netlink_rcv_skb+0x130/0x360 [ 7434.491663][ T10] netlink_unicast+0x449/0x710 [ 7434.491663][ T10] netlink_sendmsg+0x723/0xbe0 [ 7434.491663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7434.491663][ T10] ___sys_sendmsg+0xee/0x170 [ 7434.491663][ T10] __sys_sendmsg+0xcd/0x170 [ 7434.491663][ T10] do_syscall_64+0xc6/0x1e0 [ 7434.491663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7434.491663][ T10] [ 7434.494574][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7434.494574][ T10] netdev_get_by_index+0x5e/0x80 [ 7434.494574][ T10] fib6_nh_init+0x3d8/0x1580 [ 7434.494574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7434.494574][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7434.494574][ T10] ipv6_add_addr+0x411/0x2000 [ 7434.494574][ T10] inet6_addr_add+0x30e/0xa40 [ 7434.494574][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7434.494574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7434.494574][ T10] netlink_rcv_skb+0x130/0x360 [ 7434.494574][ T10] netlink_unicast+0x449/0x710 [ 7434.494574][ T10] netlink_sendmsg+0x723/0xbe0 [ 7434.494574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7434.494574][ T10] ___sys_sendmsg+0xee/0x170 [ 7434.494574][ T10] __sys_sendmsg+0xcd/0x170 [ 7434.494574][ T10] do_syscall_64+0xc6/0x1e0 [ 7434.494574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7434.494574][ T10] [ 7434.497716][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7434.497716][ T10] netdev_get_by_index+0x5e/0x80 [ 7434.497716][ T10] fib6_nh_init+0x3d8/0x1580 [ 7434.497716][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7434.497716][ T10] ip6_route_add+0x1c/0x140 [ 7434.497716][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7434.497716][ T10] addrconf_add_dev+0xe2/0x170 [ 7434.497716][ T10] inet6_addr_add+0x12f/0xa40 [ 7434.497716][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7434.497716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7434.497716][ T10] netlink_rcv_skb+0x130/0x360 [ 7434.497716][ T10] netlink_unicast+0x449/0x710 [ 7434.497716][ T10] netlink_sendmsg+0x723/0xbe0 [ 7434.497716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7434.497716][ T10] ___sys_sendmsg+0xee/0x170 [ 7434.497716][ T10] __sys_sendmsg+0xcd/0x170 [ 7434.497716][ T10] do_syscall_64+0xc6/0x1e0 [ 7434.497716][ T10] [ 7434.501291][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7434.501291][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7434.501291][ T10] ipv6_find_idev+0x102/0x170 [ 7434.501291][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7434.501291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7434.501291][ T10] netlink_rcv_skb+0x130/0x360 [ 7434.501291][ T10] netlink_unicast+0x449/0x710 [ 7434.501291][ T10] netlink_sendmsg+0x723/0xbe0 [ 7434.501291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7434.501291][ T10] ___sys_sendmsg+0xee/0x170 [ 7434.501291][ T10] __sys_sendmsg+0xcd/0x170 [ 7434.501291][ T10] do_syscall_64+0xc6/0x1e0 [ 7434.501291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7434.501291][ T10] [ 7434.504093][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7434.504093][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7434.504093][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7434.504093][ T10] ipv6_find_idev+0x102/0x170 [ 7434.504093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7434.504093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7434.504093][ T10] netlink_rcv_skb+0x130/0x360 [ 7434.504093][ T10] netlink_unicast+0x449/0x710 [ 7434.504093][ T10] netlink_sendmsg+0x723/0xbe0 [ 7434.504093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7434.504093][ T10] ___sys_sendmsg+0xee/0x170 [ 7434.504093][ T10] __sys_sendmsg+0xcd/0x170 [ 7434.504093][ T10] do_syscall_64+0xc6/0x1e0 [ 7434.504093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7434.504093][ T10] [ 7434.507214][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7434.507601][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7434.507601][ T10] netdev_get_by_index+0x5e/0x80 [ 7434.507601][ T10] fib6_nh_init+0x3d8/0x1580 [ 7434.507601][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7434.507601][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7434.507601][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7434.507601][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7434.507601][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7434.507601][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7434.507601][ T10] addrconf_dad_begin+0x310/0x670 [ 7434.507601][ T10] addrconf_dad_work+0x10b/0xab0 [ 7434.507601][ T10] process_one_work+0x84d/0x18a0 [ 7434.507601][ T10] worker_thread+0x587/0xd30 [ 7434.507601][ T10] kthread+0x28a/0x350 [ 7434.507601][ T10] ret_from_fork+0x31/0x70 [ 7434.507601][ T10] ret_from_fork_asm+0x1a/0x30 [ 7434.507601][ T10] [ 7434.510986][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7434.510986][ T10] netdev_get_by_index+0x5e/0x80 [ 7434.510986][ T10] fib6_nh_init+0x3d8/0x1580 [ 7434.510986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7434.510986][ T10] ip6_route_add+0x1c/0x140 [ 7434.510986][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7434.510986][ T10] inet6_addr_add+0x4f8/0xa40 [ 7434.510986][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7434.510986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7434.510986][ T10] netlink_rcv_skb+0x130/0x360 [ 7434.510986][ T10] netlink_unicast+0x449/0x710 [ 7434.510986][ T10] netlink_sendmsg+0x723/0xbe0 [ 7434.510986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7434.510986][ T10] ___sys_sendmsg+0xee/0x170 [ 7434.510986][ T10] __sys_sendmsg+0xcd/0x170 [ 7434.510986][ T10] do_syscall_64+0xc6/0x1e0 [ 7434.510986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7434.510986][ T10] [ 7434.514300][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7434.514300][ T10] netdev_get_by_index+0x5e/0x80 [ 7434.514300][ T10] fib6_nh_init+0x3d8/0x1580 [ 7434.514300][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7434.514300][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7434.514300][ T10] ipv6_add_addr+0x411/0x2000 [ 7434.514300][ T10] inet6_addr_add+0x30e/0xa40 [ 7434.514300][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7434.514300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7434.514300][ T10] netlink_rcv_skb+0x130/0x360 [ 7434.514300][ T10] netlink_unicast+0x449/0x710 [ 7434.514300][ T10] netlink_sendmsg+0x723/0xbe0 [ 7434.514300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7434.514300][ T10] ___sys_sendmsg+0xee/0x170 [ 7434.514300][ T10] __sys_sendmsg+0xcd/0x170 [ 7434.514300][ T10] do_syscall_64+0xc6/0x1e0 [ 7434.514300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7434.514300][ T10] [ 7434.516886][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7434.516886][ T10] netdev_get_by_index+0x5e/0x80 [ 7434.516886][ T10] fib6_nh_init+0x3d8/0x1580 [ 7434.516886][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7434.516886][ T10] ip6_route_add+0x1c/0x140 [ 7434.516886][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7434.516886][ T10] addrconf_add_dev+0xe2/0x170 [ 7434.516886][ T10] inet6_addr_add+0x12f/0xa40 [ 7434.516886][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7434.516886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7434.516886][ T10] netlink_rcv_skb+0x130/0x360 [ 7434.516886][ T10] netlink_unicast+0x449/0x710 [ 7434.516886][ T10] netlink_sendmsg+0x723/0xbe0 [ 7434.516886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7434.516886][ T10] ___sys_sendmsg+0xee/0x170 [ 7434.516886][ T10] __sys_sendmsg+0xcd/0x170 [ 7434.516886][ T10] do_syscall_64+0xc6/0x1e0 [ 7434.516886][ T10] [ 7434.519164][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7434.519164][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7434.519164][ T10] ipv6_find_idev+0x102/0x170 [ 7434.519164][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7434.519164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7434.519164][ T10] netlink_rcv_skb+0x130/0x360 [ 7434.519164][ T10] netlink_unicast+0x449/0x710 [ 7434.519164][ T10] netlink_sendmsg+0x723/0xbe0 [ 7434.519164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7434.519164][ T10] ___sys_sendmsg+0xee/0x170 [ 7434.519164][ T10] __sys_sendmsg+0xcd/0x170 [ 7434.519164][ T10] do_syscall_64+0xc6/0x1e0 [ 7434.519164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7434.519164][ T10] [ 7434.521501][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7434.521501][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7434.521501][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7434.521501][ T10] ipv6_find_idev+0x102/0x170 [ 7434.521501][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7434.521501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7434.521501][ T10] netlink_rcv_skb+0x130/0x360 [ 7434.521501][ T10] netlink_unicast+0x449/0x710 [ 7434.521501][ T10] netlink_sendmsg+0x723/0xbe0 [ 7434.521501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7434.521501][ T10] ___sys_sendmsg+0xee/0x170 [ 7434.521501][ T10] __sys_sendmsg+0xcd/0x170 [ 7434.521501][ T10] do_syscall_64+0xc6/0x1e0 [ 7434.521501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7434.521501][ T10] [ 7438.297144][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7438.297602][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7438.297602][ T1167] dst_init+0x84/0x4a0 [ 7438.297602][ T1167] dst_alloc+0x97/0x150 [ 7438.297602][ T1167] ip6_dst_alloc+0x23/0x90 [ 7438.297602][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7438.297602][ T1167] ip6_pol_route+0x56f/0x840 [ 7438.297602][ T1167] fib6_rule_lookup+0x334/0x630 [ 7438.297602][ T1167] ip6_route_output_flags+0x259/0x480 [ 7438.297602][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7438.297602][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7438.297602][ T1167] netlink_rcv_skb+0x130/0x360 [ 7438.297602][ T1167] netlink_unicast+0x449/0x710 [ 7438.297602][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7438.297602][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7438.297602][ T1167] ___sys_sendmsg+0xee/0x170 [ 7438.297602][ T1167] __sys_sendmsg+0xcd/0x170 [ 7438.297602][ T1167] do_syscall_64+0xc6/0x1e0 [ 7438.297602][ T1167] [ 7438.300073][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7438.300073][ T1167] netdev_get_by_index+0x5e/0x80 [ 7438.300073][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7438.300073][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7438.300073][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7438.300073][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7438.300073][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7438.300073][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7438.300073][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7438.300073][ T1167] addrconf_dad_begin+0x310/0x670 [ 7438.300073][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7438.300073][ T1167] process_one_work+0x84d/0x18a0 [ 7438.300073][ T1167] worker_thread+0x587/0xd30 [ 7438.300073][ T1167] kthread+0x28a/0x350 [ 7438.300073][ T1167] ret_from_fork+0x31/0x70 [ 7438.300073][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7438.300073][ T1167] [ 7438.302494][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7438.302494][ T1167] netdev_get_by_index+0x5e/0x80 [ 7438.302494][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7438.302494][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7438.302494][ T1167] ip6_route_add+0x1c/0x140 [ 7438.302494][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7438.302494][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7438.302494][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7438.302494][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7438.302494][ T1167] netlink_rcv_skb+0x130/0x360 [ 7438.302494][ T1167] netlink_unicast+0x449/0x710 [ 7438.302494][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7438.302494][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7438.302494][ T1167] ___sys_sendmsg+0xee/0x170 [ 7438.302494][ T1167] __sys_sendmsg+0xcd/0x170 [ 7438.302494][ T1167] do_syscall_64+0xc6/0x1e0 [ 7438.302494][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7438.302494][ T1167] [ 7438.305046][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7438.305046][ T1167] netdev_get_by_index+0x5e/0x80 [ 7438.305046][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7438.305046][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7438.305046][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7438.305046][ T1167] ipv6_add_addr+0x411/0x2000 [ 7438.305046][ T1167] inet6_addr_add+0x30e/0xa40 [ 7438.305046][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7438.305046][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7438.305046][ T1167] netlink_rcv_skb+0x130/0x360 [ 7438.305046][ T1167] netlink_unicast+0x449/0x710 [ 7438.305046][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7438.305046][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7438.305046][ T1167] ___sys_sendmsg+0xee/0x170 [ 7438.305046][ T1167] __sys_sendmsg+0xcd/0x170 [ 7438.305046][ T1167] do_syscall_64+0xc6/0x1e0 [ 7438.305046][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7438.305046][ T1167] [ 7438.307577][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7438.307577][ T1167] netdev_get_by_index+0x5e/0x80 [ 7438.307577][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7438.307577][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7438.307577][ T1167] ip6_route_add+0x1c/0x140 [ 7438.307577][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7438.307577][ T1167] addrconf_add_dev+0xe2/0x170 [ 7438.307577][ T1167] inet6_addr_add+0x12f/0xa40 [ 7438.307577][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7438.307577][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7438.307577][ T1167] netlink_rcv_skb+0x130/0x360 [ 7438.307577][ T1167] netlink_unicast+0x449/0x710 [ 7438.307577][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7438.307577][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7438.307577][ T1167] ___sys_sendmsg+0xee/0x170 [ 7438.307577][ T1167] __sys_sendmsg+0xcd/0x170 [ 7438.307577][ T1167] do_syscall_64+0xc6/0x1e0 [ 7438.307577][ T1167] [ 7438.310058][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7438.310058][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7438.310058][ T1167] ipv6_find_idev+0x102/0x170 [ 7438.310058][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7438.310058][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7438.310058][ T1167] netlink_rcv_skb+0x130/0x360 [ 7438.310058][ T1167] netlink_unicast+0x449/0x710 [ 7438.310058][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7438.310058][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7438.310058][ T1167] ___sys_sendmsg+0xee/0x170 [ 7438.310058][ T1167] __sys_sendmsg+0xcd/0x170 [ 7438.310058][ T1167] do_syscall_64+0xc6/0x1e0 [ 7438.310058][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7438.310058][ T1167] [ 7438.311983][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7438.311983][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7438.311983][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7438.311983][ T1167] ipv6_find_idev+0x102/0x170 [ 7438.311983][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7438.311983][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7438.311983][ T1167] netlink_rcv_skb+0x130/0x360 [ 7438.311983][ T1167] netlink_unicast+0x449/0x710 [ 7438.311983][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7438.311983][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7438.311983][ T1167] ___sys_sendmsg+0xee/0x170 [ 7438.311983][ T1167] __sys_sendmsg+0xcd/0x170 [ 7438.311983][ T1167] do_syscall_64+0xc6/0x1e0 [ 7438.311983][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7438.311983][ T1167] [ 7444.665042][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7444.665547][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7444.665547][ T10] netdev_get_by_index+0x5e/0x80 [ 7444.665547][ T10] fib6_nh_init+0x3d8/0x1580 [ 7444.665547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7444.665547][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7444.665547][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7444.665547][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7444.665547][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7444.665547][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7444.665547][ T10] addrconf_dad_begin+0x310/0x670 [ 7444.665547][ T10] addrconf_dad_work+0x10b/0xab0 [ 7444.665547][ T10] process_one_work+0x84d/0x18a0 [ 7444.665547][ T10] worker_thread+0x587/0xd30 [ 7444.665547][ T10] kthread+0x28a/0x350 [ 7444.665547][ T10] ret_from_fork+0x31/0x70 [ 7444.665547][ T10] ret_from_fork_asm+0x1a/0x30 [ 7444.665547][ T10] [ 7444.668426][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7444.668426][ T10] netdev_get_by_index+0x5e/0x80 [ 7444.668426][ T10] fib6_nh_init+0x3d8/0x1580 [ 7444.668426][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7444.668426][ T10] ip6_route_add+0x1c/0x140 [ 7444.668426][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7444.668426][ T10] inet6_addr_add+0x4f8/0xa40 [ 7444.668426][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7444.668426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7444.668426][ T10] netlink_rcv_skb+0x130/0x360 [ 7444.668426][ T10] netlink_unicast+0x449/0x710 [ 7444.668426][ T10] netlink_sendmsg+0x723/0xbe0 [ 7444.668426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7444.668426][ T10] ___sys_sendmsg+0xee/0x170 [ 7444.668426][ T10] __sys_sendmsg+0xcd/0x170 [ 7444.668426][ T10] do_syscall_64+0xc6/0x1e0 [ 7444.668426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7444.668426][ T10] [ 7444.671346][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7444.671346][ T10] netdev_get_by_index+0x5e/0x80 [ 7444.671346][ T10] fib6_nh_init+0x3d8/0x1580 [ 7444.671346][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7444.671346][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7444.671346][ T10] ipv6_add_addr+0x411/0x2000 [ 7444.671346][ T10] inet6_addr_add+0x30e/0xa40 [ 7444.671346][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7444.671346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7444.671346][ T10] netlink_rcv_skb+0x130/0x360 [ 7444.671346][ T10] netlink_unicast+0x449/0x710 [ 7444.671346][ T10] netlink_sendmsg+0x723/0xbe0 [ 7444.671346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7444.671346][ T10] ___sys_sendmsg+0xee/0x170 [ 7444.671346][ T10] __sys_sendmsg+0xcd/0x170 [ 7444.671346][ T10] do_syscall_64+0xc6/0x1e0 [ 7444.671346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7444.671346][ T10] [ 7444.673659][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7444.673659][ T10] netdev_get_by_index+0x5e/0x80 [ 7444.673659][ T10] fib6_nh_init+0x3d8/0x1580 [ 7444.673659][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7444.673659][ T10] ip6_route_add+0x1c/0x140 [ 7444.673659][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7444.673659][ T10] addrconf_add_dev+0xe2/0x170 [ 7444.673659][ T10] inet6_addr_add+0x12f/0xa40 [ 7444.673659][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7444.673659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7444.673659][ T10] netlink_rcv_skb+0x130/0x360 [ 7444.673659][ T10] netlink_unicast+0x449/0x710 [ 7444.673659][ T10] netlink_sendmsg+0x723/0xbe0 [ 7444.673659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7444.673659][ T10] ___sys_sendmsg+0xee/0x170 [ 7444.673659][ T10] __sys_sendmsg+0xcd/0x170 [ 7444.673659][ T10] do_syscall_64+0xc6/0x1e0 [ 7444.673659][ T10] [ 7444.676407][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7444.676407][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7444.676407][ T10] ipv6_find_idev+0x102/0x170 [ 7444.676407][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7444.676407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7444.676407][ T10] netlink_rcv_skb+0x130/0x360 [ 7444.676407][ T10] netlink_unicast+0x449/0x710 [ 7444.676407][ T10] netlink_sendmsg+0x723/0xbe0 [ 7444.676407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7444.676407][ T10] ___sys_sendmsg+0xee/0x170 [ 7444.676407][ T10] __sys_sendmsg+0xcd/0x170 [ 7444.676407][ T10] do_syscall_64+0xc6/0x1e0 [ 7444.676407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7444.676407][ T10] [ 7444.678812][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7444.678812][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7444.678812][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7444.678812][ T10] ipv6_find_idev+0x102/0x170 [ 7444.678812][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7444.678812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7444.678812][ T10] netlink_rcv_skb+0x130/0x360 [ 7444.678812][ T10] netlink_unicast+0x449/0x710 [ 7444.678812][ T10] netlink_sendmsg+0x723/0xbe0 [ 7444.678812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7444.678812][ T10] ___sys_sendmsg+0xee/0x170 [ 7444.678812][ T10] __sys_sendmsg+0xcd/0x170 [ 7444.678812][ T10] do_syscall_64+0xc6/0x1e0 [ 7444.678812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7444.678812][ T10] [ 7444.681386][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7444.681763][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7444.681763][ T10] netdev_get_by_index+0x5e/0x80 [ 7444.681763][ T10] fib6_nh_init+0x3d8/0x1580 [ 7444.681763][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7444.681763][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7444.681763][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7444.681763][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7444.681763][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7444.681763][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7444.681763][ T10] addrconf_dad_begin+0x310/0x670 [ 7444.681763][ T10] addrconf_dad_work+0x10b/0xab0 [ 7444.681763][ T10] process_one_work+0x84d/0x18a0 [ 7444.681763][ T10] worker_thread+0x587/0xd30 [ 7444.681763][ T10] kthread+0x28a/0x350 [ 7444.681763][ T10] ret_from_fork+0x31/0x70 [ 7444.681763][ T10] ret_from_fork_asm+0x1a/0x30 [ 7444.681763][ T10] [ 7444.684801][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7444.684801][ T10] netdev_get_by_index+0x5e/0x80 [ 7444.684801][ T10] fib6_nh_init+0x3d8/0x1580 [ 7444.684801][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7444.684801][ T10] ip6_route_add+0x1c/0x140 [ 7444.684801][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7444.684801][ T10] inet6_addr_add+0x4f8/0xa40 [ 7444.684801][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7444.684801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7444.684801][ T10] netlink_rcv_skb+0x130/0x360 [ 7444.684801][ T10] netlink_unicast+0x449/0x710 [ 7444.684801][ T10] netlink_sendmsg+0x723/0xbe0 [ 7444.684801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7444.684801][ T10] ___sys_sendmsg+0xee/0x170 [ 7444.684801][ T10] __sys_sendmsg+0xcd/0x170 [ 7444.684801][ T10] do_syscall_64+0xc6/0x1e0 [ 7444.684801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7444.684801][ T10] [ 7444.687731][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7444.687731][ T10] netdev_get_by_index+0x5e/0x80 [ 7444.687731][ T10] fib6_nh_init+0x3d8/0x1580 [ 7444.687731][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7444.687731][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7444.687731][ T10] ipv6_add_addr+0x411/0x2000 [ 7444.687731][ T10] inet6_addr_add+0x30e/0xa40 [ 7444.687731][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7444.687731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7444.687731][ T10] netlink_rcv_skb+0x130/0x360 [ 7444.687731][ T10] netlink_unicast+0x449/0x710 [ 7444.687731][ T10] netlink_sendmsg+0x723/0xbe0 [ 7444.687731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7444.687731][ T10] ___sys_sendmsg+0xee/0x170 [ 7444.687731][ T10] __sys_sendmsg+0xcd/0x170 [ 7444.687731][ T10] do_syscall_64+0xc6/0x1e0 [ 7444.687731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7444.687731][ T10] [ 7444.690902][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7444.690902][ T10] netdev_get_by_index+0x5e/0x80 [ 7444.690902][ T10] fib6_nh_init+0x3d8/0x1580 [ 7444.690902][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7444.690902][ T10] ip6_route_add+0x1c/0x140 [ 7444.690902][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7444.690902][ T10] addrconf_add_dev+0xe2/0x170 [ 7444.690902][ T10] inet6_addr_add+0x12f/0xa40 [ 7444.690902][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7444.690902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7444.690902][ T10] netlink_rcv_skb+0x130/0x360 [ 7444.690902][ T10] netlink_unicast+0x449/0x710 [ 7444.690902][ T10] netlink_sendmsg+0x723/0xbe0 [ 7444.690902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7444.690902][ T10] ___sys_sendmsg+0xee/0x170 [ 7444.690902][ T10] __sys_sendmsg+0xcd/0x170 [ 7444.690902][ T10] do_syscall_64+0xc6/0x1e0 [ 7444.690902][ T10] [ 7444.693292][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7444.693292][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7444.693292][ T10] ipv6_find_idev+0x102/0x170 [ 7444.693292][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7444.693292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7444.693292][ T10] netlink_rcv_skb+0x130/0x360 [ 7444.693292][ T10] netlink_unicast+0x449/0x710 [ 7444.693292][ T10] netlink_sendmsg+0x723/0xbe0 [ 7444.693292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7444.693292][ T10] ___sys_sendmsg+0xee/0x170 [ 7444.693292][ T10] __sys_sendmsg+0xcd/0x170 [ 7444.693292][ T10] do_syscall_64+0xc6/0x1e0 [ 7444.693292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7444.693292][ T10] [ 7444.695063][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7444.695063][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7444.695063][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7444.695063][ T10] ipv6_find_idev+0x102/0x170 [ 7444.695063][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7444.695063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7444.695063][ T10] netlink_rcv_skb+0x130/0x360 [ 7444.695063][ T10] netlink_unicast+0x449/0x710 [ 7444.695063][ T10] netlink_sendmsg+0x723/0xbe0 [ 7444.695063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7444.695063][ T10] ___sys_sendmsg+0xee/0x170 [ 7444.695063][ T10] __sys_sendmsg+0xcd/0x170 [ 7444.695063][ T10] do_syscall_64+0xc6/0x1e0 [ 7444.695063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7444.695063][ T10] [ 7444.697207][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7444.697591][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7444.697591][ T10] netdev_get_by_index+0x5e/0x80 [ 7444.697591][ T10] fib6_nh_init+0x3d8/0x1580 [ 7444.697591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7444.697591][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7444.697591][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7444.697591][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7444.697591][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7444.697591][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7444.697591][ T10] addrconf_dad_begin+0x310/0x670 [ 7444.697591][ T10] addrconf_dad_work+0x10b/0xab0 [ 7444.697591][ T10] process_one_work+0x84d/0x18a0 [ 7444.697591][ T10] worker_thread+0x587/0xd30 [ 7444.697591][ T10] kthread+0x28a/0x350 [ 7444.697591][ T10] ret_from_fork+0x31/0x70 [ 7444.697591][ T10] ret_from_fork_asm+0x1a/0x30 [ 7444.697591][ T10] [ 7444.700518][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7444.700518][ T10] netdev_get_by_index+0x5e/0x80 [ 7444.700518][ T10] fib6_nh_init+0x3d8/0x1580 [ 7444.700518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7444.700518][ T10] ip6_route_add+0x1c/0x140 [ 7444.700518][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7444.700518][ T10] inet6_addr_add+0x4f8/0xa40 [ 7444.700518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7444.700518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7444.700518][ T10] netlink_rcv_skb+0x130/0x360 [ 7444.700518][ T10] netlink_unicast+0x449/0x710 [ 7444.700518][ T10] netlink_sendmsg+0x723/0xbe0 [ 7444.700518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7444.700518][ T10] ___sys_sendmsg+0xee/0x170 [ 7444.700518][ T10] __sys_sendmsg+0xcd/0x170 [ 7444.700518][ T10] do_syscall_64+0xc6/0x1e0 [ 7444.700518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7444.700518][ T10] [ 7444.703644][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7444.703644][ T10] netdev_get_by_index+0x5e/0x80 [ 7444.703644][ T10] fib6_nh_init+0x3d8/0x1580 [ 7444.703644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7444.703644][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7444.703644][ T10] ipv6_add_addr+0x411/0x2000 [ 7444.703644][ T10] inet6_addr_add+0x30e/0xa40 [ 7444.703644][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7444.703644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7444.703644][ T10] netlink_rcv_skb+0x130/0x360 [ 7444.703644][ T10] netlink_unicast+0x449/0x710 [ 7444.703644][ T10] netlink_sendmsg+0x723/0xbe0 [ 7444.703644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7444.703644][ T10] ___sys_sendmsg+0xee/0x170 [ 7444.703644][ T10] __sys_sendmsg+0xcd/0x170 [ 7444.703644][ T10] do_syscall_64+0xc6/0x1e0 [ 7444.703644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7444.703644][ T10] [ 7444.706822][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7444.706822][ T10] netdev_get_by_index+0x5e/0x80 [ 7444.706822][ T10] fib6_nh_init+0x3d8/0x1580 [ 7444.706822][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7444.706822][ T10] ip6_route_add+0x1c/0x140 [ 7444.706822][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7444.706822][ T10] addrconf_add_dev+0xe2/0x170 [ 7444.706822][ T10] inet6_addr_add+0x12f/0xa40 [ 7444.706822][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7444.706822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7444.706822][ T10] netlink_rcv_skb+0x130/0x360 [ 7444.706822][ T10] netlink_unicast+0x449/0x710 [ 7444.706822][ T10] netlink_sendmsg+0x723/0xbe0 [ 7444.706822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7444.706822][ T10] ___sys_sendmsg+0xee/0x170 [ 7444.706822][ T10] __sys_sendmsg+0xcd/0x170 [ 7444.706822][ T10] do_syscall_64+0xc6/0x1e0 [ 7444.706822][ T10] [ 7444.710026][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7444.710026][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7444.710026][ T10] ipv6_find_idev+0x102/0x170 [ 7444.710026][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7444.710026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7444.710026][ T10] netlink_rcv_skb+0x130/0x360 [ 7444.710026][ T10] netlink_unicast+0x449/0x710 [ 7444.710026][ T10] netlink_sendmsg+0x723/0xbe0 [ 7444.710026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7444.710026][ T10] ___sys_sendmsg+0xee/0x170 [ 7444.710026][ T10] __sys_sendmsg+0xcd/0x170 [ 7444.710026][ T10] do_syscall_64+0xc6/0x1e0 [ 7444.710026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7444.710026][ T10] [ 7444.712604][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7444.712604][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7444.712604][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7444.712604][ T10] ipv6_find_idev+0x102/0x170 [ 7444.712604][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7444.712604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7444.712604][ T10] netlink_rcv_skb+0x130/0x360 [ 7444.712604][ T10] netlink_unicast+0x449/0x710 [ 7444.712604][ T10] netlink_sendmsg+0x723/0xbe0 [ 7444.712604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7444.712604][ T10] ___sys_sendmsg+0xee/0x170 [ 7444.712604][ T10] __sys_sendmsg+0xcd/0x170 [ 7444.712604][ T10] do_syscall_64+0xc6/0x1e0 [ 7444.712604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7444.712604][ T10] [ 7444.715233][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7444.715623][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7444.715623][ T10] netdev_get_by_index+0x5e/0x80 [ 7444.715623][ T10] fib6_nh_init+0x3d8/0x1580 [ 7444.715623][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7444.715623][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7444.715623][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7444.715623][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7444.715623][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7444.715623][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7444.715623][ T10] addrconf_dad_begin+0x310/0x670 [ 7444.715623][ T10] addrconf_dad_work+0x10b/0xab0 [ 7444.715623][ T10] process_one_work+0x84d/0x18a0 [ 7444.715623][ T10] worker_thread+0x587/0xd30 [ 7444.715623][ T10] kthread+0x28a/0x350 [ 7444.715623][ T10] ret_from_fork+0x31/0x70 [ 7444.715623][ T10] ret_from_fork_asm+0x1a/0x30 [ 7444.715623][ T10] [ 7444.718830][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7444.718830][ T10] netdev_get_by_index+0x5e/0x80 [ 7444.718830][ T10] fib6_nh_init+0x3d8/0x1580 [ 7444.718830][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7444.718830][ T10] ip6_route_add+0x1c/0x140 [ 7444.718830][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7444.718830][ T10] inet6_addr_add+0x4f8/0xa40 [ 7444.718830][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7444.718830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7444.718830][ T10] netlink_rcv_skb+0x130/0x360 [ 7444.718830][ T10] netlink_unicast+0x449/0x710 [ 7444.718830][ T10] netlink_sendmsg+0x723/0xbe0 [ 7444.718830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7444.718830][ T10] ___sys_sendmsg+0xee/0x170 [ 7444.718830][ T10] __sys_sendmsg+0xcd/0x170 [ 7444.718830][ T10] do_syscall_64+0xc6/0x1e0 [ 7444.718830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7444.718830][ T10] [ 7444.721261][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7444.721261][ T10] netdev_get_by_index+0x5e/0x80 [ 7444.721261][ T10] fib6_nh_init+0x3d8/0x1580 [ 7444.721261][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7444.721261][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7444.721261][ T10] ipv6_add_addr+0x411/0x2000 [ 7444.721261][ T10] inet6_addr_add+0x30e/0xa40 [ 7444.721261][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7444.721261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7444.721261][ T10] netlink_rcv_skb+0x130/0x360 [ 7444.721261][ T10] netlink_unicast+0x449/0x710 [ 7444.721261][ T10] netlink_sendmsg+0x723/0xbe0 [ 7444.721261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7444.721261][ T10] ___sys_sendmsg+0xee/0x170 [ 7444.721261][ T10] __sys_sendmsg+0xcd/0x170 [ 7444.721261][ T10] do_syscall_64+0xc6/0x1e0 [ 7444.721261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7444.721261][ T10] [ 7444.724410][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7444.724410][ T10] netdev_get_by_index+0x5e/0x80 [ 7444.724410][ T10] fib6_nh_init+0x3d8/0x1580 [ 7444.724410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7444.724410][ T10] ip6_route_add+0x1c/0x140 [ 7444.724410][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7444.724410][ T10] addrconf_add_dev+0xe2/0x170 [ 7444.724410][ T10] inet6_addr_add+0x12f/0xa40 [ 7444.724410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7444.724410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7444.724410][ T10] netlink_rcv_skb+0x130/0x360 [ 7444.724410][ T10] netlink_unicast+0x449/0x710 [ 7444.724410][ T10] netlink_sendmsg+0x723/0xbe0 [ 7444.724410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7444.724410][ T10] ___sys_sendmsg+0xee/0x170 [ 7444.724410][ T10] __sys_sendmsg+0xcd/0x170 [ 7444.724410][ T10] do_syscall_64+0xc6/0x1e0 [ 7444.724410][ T10] [ 7444.727772][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7444.727772][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7444.727772][ T10] ipv6_find_idev+0x102/0x170 [ 7444.727772][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7444.727772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7444.727772][ T10] netlink_rcv_skb+0x130/0x360 [ 7444.727772][ T10] netlink_unicast+0x449/0x710 [ 7444.727772][ T10] netlink_sendmsg+0x723/0xbe0 [ 7444.727772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7444.727772][ T10] ___sys_sendmsg+0xee/0x170 [ 7444.727772][ T10] __sys_sendmsg+0xcd/0x170 [ 7444.727772][ T10] do_syscall_64+0xc6/0x1e0 [ 7444.727772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7444.727772][ T10] [ 7444.730193][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7444.730193][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7444.730193][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7444.730193][ T10] ipv6_find_idev+0x102/0x170 [ 7444.730193][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7444.730193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7444.730193][ T10] netlink_rcv_skb+0x130/0x360 [ 7444.730193][ T10] netlink_unicast+0x449/0x710 [ 7444.730193][ T10] netlink_sendmsg+0x723/0xbe0 [ 7444.730193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7444.730193][ T10] ___sys_sendmsg+0xee/0x170 [ 7444.730193][ T10] __sys_sendmsg+0xcd/0x170 [ 7444.730193][ T10] do_syscall_64+0xc6/0x1e0 [ 7444.730193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7444.730193][ T10] [ 7448.561113][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7448.561680][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7448.561680][ T1167] dst_init+0x84/0x4a0 [ 7448.561680][ T1167] dst_alloc+0x97/0x150 [ 7448.561680][ T1167] ip6_dst_alloc+0x23/0x90 [ 7448.561680][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7448.561680][ T1167] ip6_pol_route+0x56f/0x840 [ 7448.561680][ T1167] fib6_rule_lookup+0x334/0x630 [ 7448.561680][ T1167] ip6_route_output_flags+0x259/0x480 [ 7448.561680][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7448.561680][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7448.561680][ T1167] netlink_rcv_skb+0x130/0x360 [ 7448.561680][ T1167] netlink_unicast+0x449/0x710 [ 7448.561680][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7448.561680][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7448.561680][ T1167] ___sys_sendmsg+0xee/0x170 [ 7448.561680][ T1167] __sys_sendmsg+0xcd/0x170 [ 7448.561680][ T1167] do_syscall_64+0xc6/0x1e0 [ 7448.561680][ T1167] [ 7448.563986][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7448.563986][ T1167] netdev_get_by_index+0x5e/0x80 [ 7448.563986][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7448.563986][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7448.563986][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7448.563986][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7448.563986][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7448.563986][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7448.563986][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7448.563986][ T1167] addrconf_dad_begin+0x310/0x670 [ 7448.563986][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7448.563986][ T1167] process_one_work+0x84d/0x18a0 [ 7448.563986][ T1167] worker_thread+0x587/0xd30 [ 7448.563986][ T1167] kthread+0x28a/0x350 [ 7448.563986][ T1167] ret_from_fork+0x31/0x70 [ 7448.563986][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7448.563986][ T1167] [ 7448.566133][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7448.566133][ T1167] netdev_get_by_index+0x5e/0x80 [ 7448.566133][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7448.566133][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7448.566133][ T1167] ip6_route_add+0x1c/0x140 [ 7448.566133][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7448.566133][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7448.566133][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7448.566133][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7448.566133][ T1167] netlink_rcv_skb+0x130/0x360 [ 7448.566133][ T1167] netlink_unicast+0x449/0x710 [ 7448.566133][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7448.566133][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7448.566133][ T1167] ___sys_sendmsg+0xee/0x170 [ 7448.566133][ T1167] __sys_sendmsg+0xcd/0x170 [ 7448.566133][ T1167] do_syscall_64+0xc6/0x1e0 [ 7448.566133][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7448.566133][ T1167] [ 7448.568373][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7448.568373][ T1167] netdev_get_by_index+0x5e/0x80 [ 7448.568373][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7448.568373][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7448.568373][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7448.568373][ T1167] ipv6_add_addr+0x411/0x2000 [ 7448.568373][ T1167] inet6_addr_add+0x30e/0xa40 [ 7448.568373][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7448.568373][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7448.568373][ T1167] netlink_rcv_skb+0x130/0x360 [ 7448.568373][ T1167] netlink_unicast+0x449/0x710 [ 7448.568373][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7448.568373][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7448.568373][ T1167] ___sys_sendmsg+0xee/0x170 [ 7448.568373][ T1167] __sys_sendmsg+0xcd/0x170 [ 7448.568373][ T1167] do_syscall_64+0xc6/0x1e0 [ 7448.568373][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7448.568373][ T1167] [ 7448.570618][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7448.570618][ T1167] netdev_get_by_index+0x5e/0x80 [ 7448.570618][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7448.570618][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7448.570618][ T1167] ip6_route_add+0x1c/0x140 [ 7448.570618][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7448.570618][ T1167] addrconf_add_dev+0xe2/0x170 [ 7448.570618][ T1167] inet6_addr_add+0x12f/0xa40 [ 7448.570618][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7448.570618][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7448.570618][ T1167] netlink_rcv_skb+0x130/0x360 [ 7448.570618][ T1167] netlink_unicast+0x449/0x710 [ 7448.570618][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7448.570618][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7448.570618][ T1167] ___sys_sendmsg+0xee/0x170 [ 7448.570618][ T1167] __sys_sendmsg+0xcd/0x170 [ 7448.570618][ T1167] do_syscall_64+0xc6/0x1e0 [ 7448.570618][ T1167] [ 7448.572837][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7448.572837][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7448.572837][ T1167] ipv6_find_idev+0x102/0x170 [ 7448.572837][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7448.572837][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7448.572837][ T1167] netlink_rcv_skb+0x130/0x360 [ 7448.572837][ T1167] netlink_unicast+0x449/0x710 [ 7448.572837][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7448.572837][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7448.572837][ T1167] ___sys_sendmsg+0xee/0x170 [ 7448.572837][ T1167] __sys_sendmsg+0xcd/0x170 [ 7448.572837][ T1167] do_syscall_64+0xc6/0x1e0 [ 7448.572837][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7448.572837][ T1167] [ 7448.574636][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7448.574636][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7448.574636][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7448.574636][ T1167] ipv6_find_idev+0x102/0x170 [ 7448.574636][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7448.574636][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7448.574636][ T1167] netlink_rcv_skb+0x130/0x360 [ 7448.574636][ T1167] netlink_unicast+0x449/0x710 [ 7448.574636][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7448.574636][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7448.574636][ T1167] ___sys_sendmsg+0xee/0x170 [ 7448.574636][ T1167] __sys_sendmsg+0xcd/0x170 [ 7448.574636][ T1167] do_syscall_64+0xc6/0x1e0 [ 7448.574636][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7448.574636][ T1167] [ 7454.969135][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7454.969556][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7454.969556][ T10] netdev_get_by_index+0x5e/0x80 [ 7454.969556][ T10] fib6_nh_init+0x3d8/0x1580 [ 7454.969556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7454.969556][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7454.969556][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7454.969556][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7454.969556][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7454.969556][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7454.969556][ T10] addrconf_dad_begin+0x310/0x670 [ 7454.969556][ T10] addrconf_dad_work+0x10b/0xab0 [ 7454.969556][ T10] process_one_work+0x84d/0x18a0 [ 7454.969556][ T10] worker_thread+0x587/0xd30 [ 7454.969556][ T10] kthread+0x28a/0x350 [ 7454.969556][ T10] ret_from_fork+0x31/0x70 [ 7454.969556][ T10] ret_from_fork_asm+0x1a/0x30 [ 7454.969556][ T10] [ 7454.971527][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7454.971527][ T10] netdev_get_by_index+0x5e/0x80 [ 7454.971527][ T10] fib6_nh_init+0x3d8/0x1580 [ 7454.971527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7454.971527][ T10] ip6_route_add+0x1c/0x140 [ 7454.971527][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7454.971527][ T10] inet6_addr_add+0x4f8/0xa40 [ 7454.971527][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7454.971527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7454.971527][ T10] netlink_rcv_skb+0x130/0x360 [ 7454.971527][ T10] netlink_unicast+0x449/0x710 [ 7454.971527][ T10] netlink_sendmsg+0x723/0xbe0 [ 7454.971527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7454.971527][ T10] ___sys_sendmsg+0xee/0x170 [ 7454.971527][ T10] __sys_sendmsg+0xcd/0x170 [ 7454.971527][ T10] do_syscall_64+0xc6/0x1e0 [ 7454.971527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7454.971527][ T10] [ 7454.973532][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7454.973532][ T10] netdev_get_by_index+0x5e/0x80 [ 7454.973532][ T10] fib6_nh_init+0x3d8/0x1580 [ 7454.973532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7454.973532][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7454.973532][ T10] ipv6_add_addr+0x411/0x2000 [ 7454.973532][ T10] inet6_addr_add+0x30e/0xa40 [ 7454.973532][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7454.973532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7454.973532][ T10] netlink_rcv_skb+0x130/0x360 [ 7454.973532][ T10] netlink_unicast+0x449/0x710 [ 7454.973532][ T10] netlink_sendmsg+0x723/0xbe0 [ 7454.973532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7454.973532][ T10] ___sys_sendmsg+0xee/0x170 [ 7454.973532][ T10] __sys_sendmsg+0xcd/0x170 [ 7454.973532][ T10] do_syscall_64+0xc6/0x1e0 [ 7454.973532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7454.973532][ T10] [ 7454.975525][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7454.975525][ T10] netdev_get_by_index+0x5e/0x80 [ 7454.975525][ T10] fib6_nh_init+0x3d8/0x1580 [ 7454.975525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7454.975525][ T10] ip6_route_add+0x1c/0x140 [ 7454.975525][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7454.975525][ T10] addrconf_add_dev+0xe2/0x170 [ 7454.975525][ T10] inet6_addr_add+0x12f/0xa40 [ 7454.975525][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7454.975525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7454.975525][ T10] netlink_rcv_skb+0x130/0x360 [ 7454.975525][ T10] netlink_unicast+0x449/0x710 [ 7454.975525][ T10] netlink_sendmsg+0x723/0xbe0 [ 7454.975525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7454.975525][ T10] ___sys_sendmsg+0xee/0x170 [ 7454.975525][ T10] __sys_sendmsg+0xcd/0x170 [ 7454.975525][ T10] do_syscall_64+0xc6/0x1e0 [ 7454.975525][ T10] [ 7454.977494][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7454.977494][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7454.977494][ T10] ipv6_find_idev+0x102/0x170 [ 7454.977494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7454.977494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7454.977494][ T10] netlink_rcv_skb+0x130/0x360 [ 7454.977494][ T10] netlink_unicast+0x449/0x710 [ 7454.977494][ T10] netlink_sendmsg+0x723/0xbe0 [ 7454.977494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7454.977494][ T10] ___sys_sendmsg+0xee/0x170 [ 7454.977494][ T10] __sys_sendmsg+0xcd/0x170 [ 7454.977494][ T10] do_syscall_64+0xc6/0x1e0 [ 7454.977494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7454.977494][ T10] [ 7454.979043][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7454.979043][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7454.979043][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7454.979043][ T10] ipv6_find_idev+0x102/0x170 [ 7454.979043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7454.979043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7454.979043][ T10] netlink_rcv_skb+0x130/0x360 [ 7454.979043][ T10] netlink_unicast+0x449/0x710 [ 7454.979043][ T10] netlink_sendmsg+0x723/0xbe0 [ 7454.979043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7454.979043][ T10] ___sys_sendmsg+0xee/0x170 [ 7454.979043][ T10] __sys_sendmsg+0xcd/0x170 [ 7454.979043][ T10] do_syscall_64+0xc6/0x1e0 [ 7454.979043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7454.979043][ T10] [ 7454.980727][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7454.980968][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7454.980968][ T10] netdev_get_by_index+0x5e/0x80 [ 7454.980968][ T10] fib6_nh_init+0x3d8/0x1580 [ 7454.980968][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7454.980968][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7454.980968][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7454.980968][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7454.980968][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7454.980968][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7454.980968][ T10] addrconf_dad_begin+0x310/0x670 [ 7454.980968][ T10] addrconf_dad_work+0x10b/0xab0 [ 7454.980968][ T10] process_one_work+0x84d/0x18a0 [ 7454.980968][ T10] worker_thread+0x587/0xd30 [ 7454.980968][ T10] kthread+0x28a/0x350 [ 7454.980968][ T10] ret_from_fork+0x31/0x70 [ 7454.980968][ T10] ret_from_fork_asm+0x1a/0x30 [ 7454.980968][ T10] [ 7454.982865][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7454.982865][ T10] netdev_get_by_index+0x5e/0x80 [ 7454.982865][ T10] fib6_nh_init+0x3d8/0x1580 [ 7454.982865][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7454.982865][ T10] ip6_route_add+0x1c/0x140 [ 7454.982865][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7454.982865][ T10] inet6_addr_add+0x4f8/0xa40 [ 7454.982865][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7454.982865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7454.982865][ T10] netlink_rcv_skb+0x130/0x360 [ 7454.982865][ T10] netlink_unicast+0x449/0x710 [ 7454.982865][ T10] netlink_sendmsg+0x723/0xbe0 [ 7454.982865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7454.982865][ T10] ___sys_sendmsg+0xee/0x170 [ 7454.982865][ T10] __sys_sendmsg+0xcd/0x170 [ 7454.982865][ T10] do_syscall_64+0xc6/0x1e0 [ 7454.982865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7454.982865][ T10] [ 7454.984927][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7454.984927][ T10] netdev_get_by_index+0x5e/0x80 [ 7454.984927][ T10] fib6_nh_init+0x3d8/0x1580 [ 7454.984927][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7454.984927][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7454.984927][ T10] ipv6_add_addr+0x411/0x2000 [ 7454.984927][ T10] inet6_addr_add+0x30e/0xa40 [ 7454.984927][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7454.984927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7454.984927][ T10] netlink_rcv_skb+0x130/0x360 [ 7454.984927][ T10] netlink_unicast+0x449/0x710 [ 7454.984927][ T10] netlink_sendmsg+0x723/0xbe0 [ 7454.984927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7454.984927][ T10] ___sys_sendmsg+0xee/0x170 [ 7454.984927][ T10] __sys_sendmsg+0xcd/0x170 [ 7454.984927][ T10] do_syscall_64+0xc6/0x1e0 [ 7454.984927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7454.984927][ T10] [ 7454.986944][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7454.986944][ T10] netdev_get_by_index+0x5e/0x80 [ 7454.986944][ T10] fib6_nh_init+0x3d8/0x1580 [ 7454.986944][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7454.986944][ T10] ip6_route_add+0x1c/0x140 [ 7454.986944][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7454.986944][ T10] addrconf_add_dev+0xe2/0x170 [ 7454.986944][ T10] inet6_addr_add+0x12f/0xa40 [ 7454.986944][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7454.986944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7454.986944][ T10] netlink_rcv_skb+0x130/0x360 [ 7454.986944][ T10] netlink_unicast+0x449/0x710 [ 7454.986944][ T10] netlink_sendmsg+0x723/0xbe0 [ 7454.986944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7454.986944][ T10] ___sys_sendmsg+0xee/0x170 [ 7454.986944][ T10] __sys_sendmsg+0xcd/0x170 [ 7454.986944][ T10] do_syscall_64+0xc6/0x1e0 [ 7454.986944][ T10] [ 7454.988922][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7454.988922][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7454.988922][ T10] ipv6_find_idev+0x102/0x170 [ 7454.988922][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7454.988922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7454.988922][ T10] netlink_rcv_skb+0x130/0x360 [ 7454.988922][ T10] netlink_unicast+0x449/0x710 [ 7454.988922][ T10] netlink_sendmsg+0x723/0xbe0 [ 7454.988922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7454.988922][ T10] ___sys_sendmsg+0xee/0x170 [ 7454.988922][ T10] __sys_sendmsg+0xcd/0x170 [ 7454.988922][ T10] do_syscall_64+0xc6/0x1e0 [ 7454.988922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7454.988922][ T10] [ 7454.990466][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7454.990466][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7454.990466][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7454.990466][ T10] ipv6_find_idev+0x102/0x170 [ 7454.990466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7454.990466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7454.990466][ T10] netlink_rcv_skb+0x130/0x360 [ 7454.990466][ T10] netlink_unicast+0x449/0x710 [ 7454.990466][ T10] netlink_sendmsg+0x723/0xbe0 [ 7454.990466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7454.990466][ T10] ___sys_sendmsg+0xee/0x170 [ 7454.990466][ T10] __sys_sendmsg+0xcd/0x170 [ 7454.990466][ T10] do_syscall_64+0xc6/0x1e0 [ 7454.990466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7454.990466][ T10] [ 7454.992153][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7454.992394][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7454.992394][ T10] netdev_get_by_index+0x5e/0x80 [ 7454.992394][ T10] fib6_nh_init+0x3d8/0x1580 [ 7454.992394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7454.992394][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7454.992394][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7454.992394][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7454.992394][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7454.992394][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7454.992394][ T10] addrconf_dad_begin+0x310/0x670 [ 7454.992394][ T10] addrconf_dad_work+0x10b/0xab0 [ 7454.992394][ T10] process_one_work+0x84d/0x18a0 [ 7454.992394][ T10] worker_thread+0x587/0xd30 [ 7454.992394][ T10] kthread+0x28a/0x350 [ 7454.992394][ T10] ret_from_fork+0x31/0x70 [ 7454.992394][ T10] ret_from_fork_asm+0x1a/0x30 [ 7454.992394][ T10] [ 7454.994325][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7454.994325][ T10] netdev_get_by_index+0x5e/0x80 [ 7454.994325][ T10] fib6_nh_init+0x3d8/0x1580 [ 7454.994325][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7454.994325][ T10] ip6_route_add+0x1c/0x140 [ 7454.994325][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7454.994325][ T10] inet6_addr_add+0x4f8/0xa40 [ 7454.994325][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7454.994325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7454.994325][ T10] netlink_rcv_skb+0x130/0x360 [ 7454.994325][ T10] netlink_unicast+0x449/0x710 [ 7454.994325][ T10] netlink_sendmsg+0x723/0xbe0 [ 7454.994325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7454.994325][ T10] ___sys_sendmsg+0xee/0x170 [ 7454.994325][ T10] __sys_sendmsg+0xcd/0x170 [ 7454.994325][ T10] do_syscall_64+0xc6/0x1e0 [ 7454.994325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7454.994325][ T10] [ 7454.996560][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7454.996560][ T10] netdev_get_by_index+0x5e/0x80 [ 7454.996560][ T10] fib6_nh_init+0x3d8/0x1580 [ 7454.996560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7454.996560][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7454.996560][ T10] ipv6_add_addr+0x411/0x2000 [ 7454.996560][ T10] inet6_addr_add+0x30e/0xa40 [ 7454.996560][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7454.996560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7454.996560][ T10] netlink_rcv_skb+0x130/0x360 [ 7454.996560][ T10] netlink_unicast+0x449/0x710 [ 7454.996560][ T10] netlink_sendmsg+0x723/0xbe0 [ 7454.996560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7454.996560][ T10] ___sys_sendmsg+0xee/0x170 [ 7454.996560][ T10] __sys_sendmsg+0xcd/0x170 [ 7454.996560][ T10] do_syscall_64+0xc6/0x1e0 [ 7454.996560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7454.996560][ T10] [ 7454.998727][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7454.998727][ T10] netdev_get_by_index+0x5e/0x80 [ 7454.998727][ T10] fib6_nh_init+0x3d8/0x1580 [ 7454.998727][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7454.998727][ T10] ip6_route_add+0x1c/0x140 [ 7454.998727][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7454.998727][ T10] addrconf_add_dev+0xe2/0x170 [ 7454.998727][ T10] inet6_addr_add+0x12f/0xa40 [ 7454.998727][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7454.998727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7454.998727][ T10] netlink_rcv_skb+0x130/0x360 [ 7454.998727][ T10] netlink_unicast+0x449/0x710 [ 7454.998727][ T10] netlink_sendmsg+0x723/0xbe0 [ 7454.998727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7454.998727][ T10] ___sys_sendmsg+0xee/0x170 [ 7454.998727][ T10] __sys_sendmsg+0xcd/0x170 [ 7454.998727][ T10] do_syscall_64+0xc6/0x1e0 [ 7454.998727][ T10] [ 7455.000933][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7455.000933][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7455.000933][ T10] ipv6_find_idev+0x102/0x170 [ 7455.000933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7455.000933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7455.000933][ T10] netlink_rcv_skb+0x130/0x360 [ 7455.000933][ T10] netlink_unicast+0x449/0x710 [ 7455.000933][ T10] netlink_sendmsg+0x723/0xbe0 [ 7455.000933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7455.000933][ T10] ___sys_sendmsg+0xee/0x170 [ 7455.000933][ T10] __sys_sendmsg+0xcd/0x170 [ 7455.000933][ T10] do_syscall_64+0xc6/0x1e0 [ 7455.000933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7455.000933][ T10] [ 7455.002641][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7455.002641][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7455.002641][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7455.002641][ T10] ipv6_find_idev+0x102/0x170 [ 7455.002641][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7455.002641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7455.002641][ T10] netlink_rcv_skb+0x130/0x360 [ 7455.002641][ T10] netlink_unicast+0x449/0x710 [ 7455.002641][ T10] netlink_sendmsg+0x723/0xbe0 [ 7455.002641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7455.002641][ T10] ___sys_sendmsg+0xee/0x170 [ 7455.002641][ T10] __sys_sendmsg+0xcd/0x170 [ 7455.002641][ T10] do_syscall_64+0xc6/0x1e0 [ 7455.002641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7455.002641][ T10] [ 7455.004587][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7455.004825][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7455.004825][ T10] netdev_get_by_index+0x5e/0x80 [ 7455.004825][ T10] fib6_nh_init+0x3d8/0x1580 [ 7455.004825][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7455.004825][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7455.004825][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7455.004825][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7455.004825][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7455.004825][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7455.004825][ T10] addrconf_dad_begin+0x310/0x670 [ 7455.004825][ T10] addrconf_dad_work+0x10b/0xab0 [ 7455.004825][ T10] process_one_work+0x84d/0x18a0 [ 7455.004825][ T10] worker_thread+0x587/0xd30 [ 7455.004825][ T10] kthread+0x28a/0x350 [ 7455.004825][ T10] ret_from_fork+0x31/0x70 [ 7455.004825][ T10] ret_from_fork_asm+0x1a/0x30 [ 7455.004825][ T10] [ 7455.006900][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7455.006900][ T10] netdev_get_by_index+0x5e/0x80 [ 7455.006900][ T10] fib6_nh_init+0x3d8/0x1580 [ 7455.006900][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7455.006900][ T10] ip6_route_add+0x1c/0x140 [ 7455.006900][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7455.006900][ T10] inet6_addr_add+0x4f8/0xa40 [ 7455.006900][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7455.006900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7455.006900][ T10] netlink_rcv_skb+0x130/0x360 [ 7455.006900][ T10] netlink_unicast+0x449/0x710 [ 7455.006900][ T10] netlink_sendmsg+0x723/0xbe0 [ 7455.006900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7455.006900][ T10] ___sys_sendmsg+0xee/0x170 [ 7455.006900][ T10] __sys_sendmsg+0xcd/0x170 [ 7455.006900][ T10] do_syscall_64+0xc6/0x1e0 [ 7455.006900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7455.006900][ T10] [ 7455.009125][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7455.009125][ T10] netdev_get_by_index+0x5e/0x80 [ 7455.009125][ T10] fib6_nh_init+0x3d8/0x1580 [ 7455.009125][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7455.009125][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7455.009125][ T10] ipv6_add_addr+0x411/0x2000 [ 7455.009125][ T10] inet6_addr_add+0x30e/0xa40 [ 7455.009125][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7455.009125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7455.009125][ T10] netlink_rcv_skb+0x130/0x360 [ 7455.009125][ T10] netlink_unicast+0x449/0x710 [ 7455.009125][ T10] netlink_sendmsg+0x723/0xbe0 [ 7455.009125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7455.009125][ T10] ___sys_sendmsg+0xee/0x170 [ 7455.009125][ T10] __sys_sendmsg+0xcd/0x170 [ 7455.009125][ T10] do_syscall_64+0xc6/0x1e0 [ 7455.009125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7455.009125][ T10] [ 7455.011379][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7455.011379][ T10] netdev_get_by_index+0x5e/0x80 [ 7455.011379][ T10] fib6_nh_init+0x3d8/0x1580 [ 7455.011379][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7455.011379][ T10] ip6_route_add+0x1c/0x140 [ 7455.011379][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7455.011379][ T10] addrconf_add_dev+0xe2/0x170 [ 7455.011379][ T10] inet6_addr_add+0x12f/0xa40 [ 7455.011379][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7455.011379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7455.011379][ T10] netlink_rcv_skb+0x130/0x360 [ 7455.011379][ T10] netlink_unicast+0x449/0x710 [ 7455.011379][ T10] netlink_sendmsg+0x723/0xbe0 [ 7455.011379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7455.011379][ T10] ___sys_sendmsg+0xee/0x170 [ 7455.011379][ T10] __sys_sendmsg+0xcd/0x170 [ 7455.011379][ T10] do_syscall_64+0xc6/0x1e0 [ 7455.011379][ T10] [ 7455.013635][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7455.013635][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7455.013635][ T10] ipv6_find_idev+0x102/0x170 [ 7455.013635][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7455.013635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7455.013635][ T10] netlink_rcv_skb+0x130/0x360 [ 7455.013635][ T10] netlink_unicast+0x449/0x710 [ 7455.013635][ T10] netlink_sendmsg+0x723/0xbe0 [ 7455.013635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7455.013635][ T10] ___sys_sendmsg+0xee/0x170 [ 7455.013635][ T10] __sys_sendmsg+0xcd/0x170 [ 7455.013635][ T10] do_syscall_64+0xc6/0x1e0 [ 7455.013635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7455.013635][ T10] [ 7455.015367][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7455.015367][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7455.015367][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7455.015367][ T10] ipv6_find_idev+0x102/0x170 [ 7455.015367][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7455.015367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7455.015367][ T10] netlink_rcv_skb+0x130/0x360 [ 7455.015367][ T10] netlink_unicast+0x449/0x710 [ 7455.015367][ T10] netlink_sendmsg+0x723/0xbe0 [ 7455.015367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7455.015367][ T10] ___sys_sendmsg+0xee/0x170 [ 7455.015367][ T10] __sys_sendmsg+0xcd/0x170 [ 7455.015367][ T10] do_syscall_64+0xc6/0x1e0 [ 7455.015367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7455.015367][ T10] [ 7458.649127][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7458.649616][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7458.649616][ T1167] dst_init+0x84/0x4a0 [ 7458.649616][ T1167] dst_alloc+0x97/0x150 [ 7458.649616][ T1167] ip6_dst_alloc+0x23/0x90 [ 7458.649616][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7458.649616][ T1167] ip6_pol_route+0x56f/0x840 [ 7458.649616][ T1167] fib6_rule_lookup+0x334/0x630 [ 7458.649616][ T1167] ip6_route_output_flags+0x259/0x480 [ 7458.649616][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7458.649616][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7458.649616][ T1167] netlink_rcv_skb+0x130/0x360 [ 7458.649616][ T1167] netlink_unicast+0x449/0x710 [ 7458.649616][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7458.649616][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7458.649616][ T1167] ___sys_sendmsg+0xee/0x170 [ 7458.649616][ T1167] __sys_sendmsg+0xcd/0x170 [ 7458.649616][ T1167] do_syscall_64+0xc6/0x1e0 [ 7458.649616][ T1167] [ 7458.652071][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7458.652071][ T1167] netdev_get_by_index+0x5e/0x80 [ 7458.652071][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7458.652071][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7458.652071][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7458.652071][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7458.652071][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7458.652071][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7458.652071][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7458.652071][ T1167] addrconf_dad_begin+0x310/0x670 [ 7458.652071][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7458.652071][ T1167] process_one_work+0x84d/0x18a0 [ 7458.652071][ T1167] worker_thread+0x587/0xd30 [ 7458.652071][ T1167] kthread+0x28a/0x350 [ 7458.652071][ T1167] ret_from_fork+0x31/0x70 [ 7458.652071][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7458.652071][ T1167] [ 7458.654485][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7458.654485][ T1167] netdev_get_by_index+0x5e/0x80 [ 7458.654485][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7458.654485][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7458.654485][ T1167] ip6_route_add+0x1c/0x140 [ 7458.654485][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7458.654485][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7458.654485][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7458.654485][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7458.654485][ T1167] netlink_rcv_skb+0x130/0x360 [ 7458.654485][ T1167] netlink_unicast+0x449/0x710 [ 7458.654485][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7458.654485][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7458.654485][ T1167] ___sys_sendmsg+0xee/0x170 [ 7458.654485][ T1167] __sys_sendmsg+0xcd/0x170 [ 7458.654485][ T1167] do_syscall_64+0xc6/0x1e0 [ 7458.654485][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7458.654485][ T1167] [ 7458.656971][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7458.656971][ T1167] netdev_get_by_index+0x5e/0x80 [ 7458.656971][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7458.656971][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7458.656971][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7458.656971][ T1167] ipv6_add_addr+0x411/0x2000 [ 7458.656971][ T1167] inet6_addr_add+0x30e/0xa40 [ 7458.656971][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7458.656971][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7458.656971][ T1167] netlink_rcv_skb+0x130/0x360 [ 7458.656971][ T1167] netlink_unicast+0x449/0x710 [ 7458.656971][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7458.656971][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7458.656971][ T1167] ___sys_sendmsg+0xee/0x170 [ 7458.656971][ T1167] __sys_sendmsg+0xcd/0x170 [ 7458.656971][ T1167] do_syscall_64+0xc6/0x1e0 [ 7458.656971][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7458.656971][ T1167] [ 7458.659452][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7458.659452][ T1167] netdev_get_by_index+0x5e/0x80 [ 7458.659452][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7458.659452][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7458.659452][ T1167] ip6_route_add+0x1c/0x140 [ 7458.659452][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7458.659452][ T1167] addrconf_add_dev+0xe2/0x170 [ 7458.659452][ T1167] inet6_addr_add+0x12f/0xa40 [ 7458.659452][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7458.659452][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7458.659452][ T1167] netlink_rcv_skb+0x130/0x360 [ 7458.659452][ T1167] netlink_unicast+0x449/0x710 [ 7458.659452][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7458.659452][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7458.659452][ T1167] ___sys_sendmsg+0xee/0x170 [ 7458.659452][ T1167] __sys_sendmsg+0xcd/0x170 [ 7458.659452][ T1167] do_syscall_64+0xc6/0x1e0 [ 7458.659452][ T1167] [ 7458.661922][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7458.661922][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7458.661922][ T1167] ipv6_find_idev+0x102/0x170 [ 7458.661922][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7458.661922][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7458.661922][ T1167] netlink_rcv_skb+0x130/0x360 [ 7458.661922][ T1167] netlink_unicast+0x449/0x710 [ 7458.661922][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7458.661922][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7458.661922][ T1167] ___sys_sendmsg+0xee/0x170 [ 7458.661922][ T1167] __sys_sendmsg+0xcd/0x170 [ 7458.661922][ T1167] do_syscall_64+0xc6/0x1e0 [ 7458.661922][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7458.661922][ T1167] [ 7458.663856][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7458.663856][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7458.663856][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7458.663856][ T1167] ipv6_find_idev+0x102/0x170 [ 7458.663856][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7458.663856][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7458.663856][ T1167] netlink_rcv_skb+0x130/0x360 [ 7458.663856][ T1167] netlink_unicast+0x449/0x710 [ 7458.663856][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7458.663856][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7458.663856][ T1167] ___sys_sendmsg+0xee/0x170 [ 7458.663856][ T1167] __sys_sendmsg+0xcd/0x170 [ 7458.663856][ T1167] do_syscall_64+0xc6/0x1e0 [ 7458.663856][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7458.663856][ T1167] [ 7465.049077][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7465.049441][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7465.049441][ T10] netdev_get_by_index+0x5e/0x80 [ 7465.049441][ T10] fib6_nh_init+0x3d8/0x1580 [ 7465.049441][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7465.049441][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7465.049441][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7465.049441][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7465.049441][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7465.049441][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7465.049441][ T10] addrconf_dad_begin+0x310/0x670 [ 7465.049441][ T10] addrconf_dad_work+0x10b/0xab0 [ 7465.049441][ T10] process_one_work+0x84d/0x18a0 [ 7465.049441][ T10] worker_thread+0x587/0xd30 [ 7465.049441][ T10] kthread+0x28a/0x350 [ 7465.049441][ T10] ret_from_fork+0x31/0x70 [ 7465.049441][ T10] ret_from_fork_asm+0x1a/0x30 [ 7465.049441][ T10] [ 7465.051381][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7465.051381][ T10] netdev_get_by_index+0x5e/0x80 [ 7465.051381][ T10] fib6_nh_init+0x3d8/0x1580 [ 7465.051381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7465.051381][ T10] ip6_route_add+0x1c/0x140 [ 7465.051381][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7465.051381][ T10] inet6_addr_add+0x4f8/0xa40 [ 7465.051381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7465.051381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7465.051381][ T10] netlink_rcv_skb+0x130/0x360 [ 7465.051381][ T10] netlink_unicast+0x449/0x710 [ 7465.051381][ T10] netlink_sendmsg+0x723/0xbe0 [ 7465.051381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7465.051381][ T10] ___sys_sendmsg+0xee/0x170 [ 7465.051381][ T10] __sys_sendmsg+0xcd/0x170 [ 7465.051381][ T10] do_syscall_64+0xc6/0x1e0 [ 7465.051381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7465.051381][ T10] [ 7465.053396][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7465.053396][ T10] netdev_get_by_index+0x5e/0x80 [ 7465.053396][ T10] fib6_nh_init+0x3d8/0x1580 [ 7465.053396][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7465.053396][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7465.053396][ T10] ipv6_add_addr+0x411/0x2000 [ 7465.053396][ T10] inet6_addr_add+0x30e/0xa40 [ 7465.053396][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7465.053396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7465.053396][ T10] netlink_rcv_skb+0x130/0x360 [ 7465.053396][ T10] netlink_unicast+0x449/0x710 [ 7465.053396][ T10] netlink_sendmsg+0x723/0xbe0 [ 7465.053396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7465.053396][ T10] ___sys_sendmsg+0xee/0x170 [ 7465.053396][ T10] __sys_sendmsg+0xcd/0x170 [ 7465.053396][ T10] do_syscall_64+0xc6/0x1e0 [ 7465.053396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7465.053396][ T10] [ 7465.055409][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7465.055409][ T10] netdev_get_by_index+0x5e/0x80 [ 7465.055409][ T10] fib6_nh_init+0x3d8/0x1580 [ 7465.055409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7465.055409][ T10] ip6_route_add+0x1c/0x140 [ 7465.055409][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7465.055409][ T10] addrconf_add_dev+0xe2/0x170 [ 7465.055409][ T10] inet6_addr_add+0x12f/0xa40 [ 7465.055409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7465.055409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7465.055409][ T10] netlink_rcv_skb+0x130/0x360 [ 7465.055409][ T10] netlink_unicast+0x449/0x710 [ 7465.055409][ T10] netlink_sendmsg+0x723/0xbe0 [ 7465.055409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7465.055409][ T10] ___sys_sendmsg+0xee/0x170 [ 7465.055409][ T10] __sys_sendmsg+0xcd/0x170 [ 7465.055409][ T10] do_syscall_64+0xc6/0x1e0 [ 7465.055409][ T10] [ 7465.057378][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7465.057378][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7465.057378][ T10] ipv6_find_idev+0x102/0x170 [ 7465.057378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7465.057378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7465.057378][ T10] netlink_rcv_skb+0x130/0x360 [ 7465.057378][ T10] netlink_unicast+0x449/0x710 [ 7465.057378][ T10] netlink_sendmsg+0x723/0xbe0 [ 7465.057378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7465.057378][ T10] ___sys_sendmsg+0xee/0x170 [ 7465.057378][ T10] __sys_sendmsg+0xcd/0x170 [ 7465.057378][ T10] do_syscall_64+0xc6/0x1e0 [ 7465.057378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7465.057378][ T10] [ 7465.058915][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7465.058915][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7465.058915][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7465.058915][ T10] ipv6_find_idev+0x102/0x170 [ 7465.058915][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7465.058915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7465.058915][ T10] netlink_rcv_skb+0x130/0x360 [ 7465.058915][ T10] netlink_unicast+0x449/0x710 [ 7465.058915][ T10] netlink_sendmsg+0x723/0xbe0 [ 7465.058915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7465.058915][ T10] ___sys_sendmsg+0xee/0x170 [ 7465.058915][ T10] __sys_sendmsg+0xcd/0x170 [ 7465.058915][ T10] do_syscall_64+0xc6/0x1e0 [ 7465.058915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7465.058915][ T10] [ 7465.060608][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7465.060848][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7465.060848][ T10] netdev_get_by_index+0x5e/0x80 [ 7465.060848][ T10] fib6_nh_init+0x3d8/0x1580 [ 7465.060848][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7465.060848][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7465.060848][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7465.060848][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7465.060848][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7465.060848][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7465.060848][ T10] addrconf_dad_begin+0x310/0x670 [ 7465.060848][ T10] addrconf_dad_work+0x10b/0xab0 [ 7465.060848][ T10] process_one_work+0x84d/0x18a0 [ 7465.060848][ T10] worker_thread+0x587/0xd30 [ 7465.060848][ T10] kthread+0x28a/0x350 [ 7465.060848][ T10] ret_from_fork+0x31/0x70 [ 7465.060848][ T10] ret_from_fork_asm+0x1a/0x30 [ 7465.060848][ T10] [ 7465.062743][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7465.062743][ T10] netdev_get_by_index+0x5e/0x80 [ 7465.062743][ T10] fib6_nh_init+0x3d8/0x1580 [ 7465.062743][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7465.062743][ T10] ip6_route_add+0x1c/0x140 [ 7465.062743][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7465.062743][ T10] inet6_addr_add+0x4f8/0xa40 [ 7465.062743][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7465.062743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7465.062743][ T10] netlink_rcv_skb+0x130/0x360 [ 7465.062743][ T10] netlink_unicast+0x449/0x710 [ 7465.062743][ T10] netlink_sendmsg+0x723/0xbe0 [ 7465.062743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7465.062743][ T10] ___sys_sendmsg+0xee/0x170 [ 7465.062743][ T10] __sys_sendmsg+0xcd/0x170 [ 7465.062743][ T10] do_syscall_64+0xc6/0x1e0 [ 7465.062743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7465.062743][ T10] [ 7465.064748][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7465.064748][ T10] netdev_get_by_index+0x5e/0x80 [ 7465.064748][ T10] fib6_nh_init+0x3d8/0x1580 [ 7465.064748][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7465.064748][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7465.064748][ T10] ipv6_add_addr+0x411/0x2000 [ 7465.064748][ T10] inet6_addr_add+0x30e/0xa40 [ 7465.064748][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7465.064748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7465.064748][ T10] netlink_rcv_skb+0x130/0x360 [ 7465.064748][ T10] netlink_unicast+0x449/0x710 [ 7465.064748][ T10] netlink_sendmsg+0x723/0xbe0 [ 7465.064748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7465.064748][ T10] ___sys_sendmsg+0xee/0x170 [ 7465.064748][ T10] __sys_sendmsg+0xcd/0x170 [ 7465.064748][ T10] do_syscall_64+0xc6/0x1e0 [ 7465.064748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7465.064748][ T10] [ 7465.066762][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7465.066762][ T10] netdev_get_by_index+0x5e/0x80 [ 7465.066762][ T10] fib6_nh_init+0x3d8/0x1580 [ 7465.066762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7465.066762][ T10] ip6_route_add+0x1c/0x140 [ 7465.066762][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7465.066762][ T10] addrconf_add_dev+0xe2/0x170 [ 7465.066762][ T10] inet6_addr_add+0x12f/0xa40 [ 7465.066762][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7465.066762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7465.066762][ T10] netlink_rcv_skb+0x130/0x360 [ 7465.066762][ T10] netlink_unicast+0x449/0x710 [ 7465.066762][ T10] netlink_sendmsg+0x723/0xbe0 [ 7465.066762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7465.066762][ T10] ___sys_sendmsg+0xee/0x170 [ 7465.066762][ T10] __sys_sendmsg+0xcd/0x170 [ 7465.066762][ T10] do_syscall_64+0xc6/0x1e0 [ 7465.066762][ T10] [ 7465.068732][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7465.068732][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7465.068732][ T10] ipv6_find_idev+0x102/0x170 [ 7465.068732][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7465.068732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7465.068732][ T10] netlink_rcv_skb+0x130/0x360 [ 7465.068732][ T10] netlink_unicast+0x449/0x710 [ 7465.068732][ T10] netlink_sendmsg+0x723/0xbe0 [ 7465.068732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7465.068732][ T10] ___sys_sendmsg+0xee/0x170 [ 7465.068732][ T10] __sys_sendmsg+0xcd/0x170 [ 7465.068732][ T10] do_syscall_64+0xc6/0x1e0 [ 7465.068732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7465.068732][ T10] [ 7465.070278][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7465.070278][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7465.070278][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7465.070278][ T10] ipv6_find_idev+0x102/0x170 [ 7465.070278][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7465.070278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7465.070278][ T10] netlink_rcv_skb+0x130/0x360 [ 7465.070278][ T10] netlink_unicast+0x449/0x710 [ 7465.070278][ T10] netlink_sendmsg+0x723/0xbe0 [ 7465.070278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7465.070278][ T10] ___sys_sendmsg+0xee/0x170 [ 7465.070278][ T10] __sys_sendmsg+0xcd/0x170 [ 7465.070278][ T10] do_syscall_64+0xc6/0x1e0 [ 7465.070278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7465.070278][ T10] [ 7465.071948][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7465.072203][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7465.072203][ T10] netdev_get_by_index+0x5e/0x80 [ 7465.072203][ T10] fib6_nh_init+0x3d8/0x1580 [ 7465.072203][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7465.072203][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7465.072203][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7465.072203][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7465.072203][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7465.072203][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7465.072203][ T10] addrconf_dad_begin+0x310/0x670 [ 7465.072203][ T10] addrconf_dad_work+0x10b/0xab0 [ 7465.072203][ T10] process_one_work+0x84d/0x18a0 [ 7465.072203][ T10] worker_thread+0x587/0xd30 [ 7465.072203][ T10] kthread+0x28a/0x350 [ 7465.072203][ T10] ret_from_fork+0x31/0x70 [ 7465.072203][ T10] ret_from_fork_asm+0x1a/0x30 [ 7465.072203][ T10] [ 7465.074174][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7465.074174][ T10] netdev_get_by_index+0x5e/0x80 [ 7465.074174][ T10] fib6_nh_init+0x3d8/0x1580 [ 7465.074174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7465.074174][ T10] ip6_route_add+0x1c/0x140 [ 7465.074174][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7465.074174][ T10] inet6_addr_add+0x4f8/0xa40 [ 7465.074174][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7465.074174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7465.074174][ T10] netlink_rcv_skb+0x130/0x360 [ 7465.074174][ T10] netlink_unicast+0x449/0x710 [ 7465.074174][ T10] netlink_sendmsg+0x723/0xbe0 [ 7465.074174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7465.074174][ T10] ___sys_sendmsg+0xee/0x170 [ 7465.074174][ T10] __sys_sendmsg+0xcd/0x170 [ 7465.074174][ T10] do_syscall_64+0xc6/0x1e0 [ 7465.074174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7465.074174][ T10] [ 7465.076426][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7465.076426][ T10] netdev_get_by_index+0x5e/0x80 [ 7465.076426][ T10] fib6_nh_init+0x3d8/0x1580 [ 7465.076426][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7465.076426][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7465.076426][ T10] ipv6_add_addr+0x411/0x2000 [ 7465.076426][ T10] inet6_addr_add+0x30e/0xa40 [ 7465.076426][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7465.076426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7465.076426][ T10] netlink_rcv_skb+0x130/0x360 [ 7465.076426][ T10] netlink_unicast+0x449/0x710 [ 7465.076426][ T10] netlink_sendmsg+0x723/0xbe0 [ 7465.076426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7465.076426][ T10] ___sys_sendmsg+0xee/0x170 [ 7465.076426][ T10] __sys_sendmsg+0xcd/0x170 [ 7465.076426][ T10] do_syscall_64+0xc6/0x1e0 [ 7465.076426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7465.076426][ T10] [ 7465.078592][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7465.078592][ T10] netdev_get_by_index+0x5e/0x80 [ 7465.078592][ T10] fib6_nh_init+0x3d8/0x1580 [ 7465.078592][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7465.078592][ T10] ip6_route_add+0x1c/0x140 [ 7465.078592][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7465.078592][ T10] addrconf_add_dev+0xe2/0x170 [ 7465.078592][ T10] inet6_addr_add+0x12f/0xa40 [ 7465.078592][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7465.078592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7465.078592][ T10] netlink_rcv_skb+0x130/0x360 [ 7465.078592][ T10] netlink_unicast+0x449/0x710 [ 7465.078592][ T10] netlink_sendmsg+0x723/0xbe0 [ 7465.078592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7465.078592][ T10] ___sys_sendmsg+0xee/0x170 [ 7465.078592][ T10] __sys_sendmsg+0xcd/0x170 [ 7465.078592][ T10] do_syscall_64+0xc6/0x1e0 [ 7465.078592][ T10] [ 7465.080793][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7465.080793][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7465.080793][ T10] ipv6_find_idev+0x102/0x170 [ 7465.080793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7465.080793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7465.080793][ T10] netlink_rcv_skb+0x130/0x360 [ 7465.080793][ T10] netlink_unicast+0x449/0x710 [ 7465.080793][ T10] netlink_sendmsg+0x723/0xbe0 [ 7465.080793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7465.080793][ T10] ___sys_sendmsg+0xee/0x170 [ 7465.080793][ T10] __sys_sendmsg+0xcd/0x170 [ 7465.080793][ T10] do_syscall_64+0xc6/0x1e0 [ 7465.080793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7465.080793][ T10] [ 7465.082565][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7465.082565][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7465.082565][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7465.082565][ T10] ipv6_find_idev+0x102/0x170 [ 7465.082565][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7465.082565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7465.082565][ T10] netlink_rcv_skb+0x130/0x360 [ 7465.082565][ T10] netlink_unicast+0x449/0x710 [ 7465.082565][ T10] netlink_sendmsg+0x723/0xbe0 [ 7465.082565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7465.082565][ T10] ___sys_sendmsg+0xee/0x170 [ 7465.082565][ T10] __sys_sendmsg+0xcd/0x170 [ 7465.082565][ T10] do_syscall_64+0xc6/0x1e0 [ 7465.082565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7465.082565][ T10] [ 7465.084426][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7465.084738][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7465.084738][ T10] netdev_get_by_index+0x5e/0x80 [ 7465.084738][ T10] fib6_nh_init+0x3d8/0x1580 [ 7465.084738][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7465.084738][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7465.084738][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7465.084738][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7465.084738][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7465.084738][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7465.084738][ T10] addrconf_dad_begin+0x310/0x670 [ 7465.084738][ T10] addrconf_dad_work+0x10b/0xab0 [ 7465.084738][ T10] process_one_work+0x84d/0x18a0 [ 7465.084738][ T10] worker_thread+0x587/0xd30 [ 7465.084738][ T10] kthread+0x28a/0x350 [ 7465.084738][ T10] ret_from_fork+0x31/0x70 [ 7465.084738][ T10] ret_from_fork_asm+0x1a/0x30 [ 7465.084738][ T10] [ 7465.086746][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7465.086746][ T10] netdev_get_by_index+0x5e/0x80 [ 7465.086746][ T10] fib6_nh_init+0x3d8/0x1580 [ 7465.086746][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7465.086746][ T10] ip6_route_add+0x1c/0x140 [ 7465.086746][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7465.086746][ T10] inet6_addr_add+0x4f8/0xa40 [ 7465.086746][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7465.086746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7465.086746][ T10] netlink_rcv_skb+0x130/0x360 [ 7465.086746][ T10] netlink_unicast+0x449/0x710 [ 7465.086746][ T10] netlink_sendmsg+0x723/0xbe0 [ 7465.086746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7465.086746][ T10] ___sys_sendmsg+0xee/0x170 [ 7465.086746][ T10] __sys_sendmsg+0xcd/0x170 [ 7465.086746][ T10] do_syscall_64+0xc6/0x1e0 [ 7465.086746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7465.086746][ T10] [ 7465.088921][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7465.088921][ T10] netdev_get_by_index+0x5e/0x80 [ 7465.088921][ T10] fib6_nh_init+0x3d8/0x1580 [ 7465.088921][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7465.088921][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7465.088921][ T10] ipv6_add_addr+0x411/0x2000 [ 7465.088921][ T10] inet6_addr_add+0x30e/0xa40 [ 7465.088921][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7465.088921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7465.088921][ T10] netlink_rcv_skb+0x130/0x360 [ 7465.088921][ T10] netlink_unicast+0x449/0x710 [ 7465.088921][ T10] netlink_sendmsg+0x723/0xbe0 [ 7465.088921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7465.088921][ T10] ___sys_sendmsg+0xee/0x170 [ 7465.088921][ T10] __sys_sendmsg+0xcd/0x170 [ 7465.088921][ T10] do_syscall_64+0xc6/0x1e0 [ 7465.088921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7465.088921][ T10] [ 7465.091215][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7465.091215][ T10] netdev_get_by_index+0x5e/0x80 [ 7465.091215][ T10] fib6_nh_init+0x3d8/0x1580 [ 7465.091215][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7465.091215][ T10] ip6_route_add+0x1c/0x140 [ 7465.091215][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7465.091215][ T10] addrconf_add_dev+0xe2/0x170 [ 7465.091215][ T10] inet6_addr_add+0x12f/0xa40 [ 7465.091215][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7465.091215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7465.091215][ T10] netlink_rcv_skb+0x130/0x360 [ 7465.091215][ T10] netlink_unicast+0x449/0x710 [ 7465.091215][ T10] netlink_sendmsg+0x723/0xbe0 [ 7465.091215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7465.091215][ T10] ___sys_sendmsg+0xee/0x170 [ 7465.091215][ T10] __sys_sendmsg+0xcd/0x170 [ 7465.091215][ T10] do_syscall_64+0xc6/0x1e0 [ 7465.091215][ T10] [ 7465.093379][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7465.093379][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7465.093379][ T10] ipv6_find_idev+0x102/0x170 [ 7465.093379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7465.093379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7465.093379][ T10] netlink_rcv_skb+0x130/0x360 [ 7465.093379][ T10] netlink_unicast+0x449/0x710 [ 7465.093379][ T10] netlink_sendmsg+0x723/0xbe0 [ 7465.093379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7465.093379][ T10] ___sys_sendmsg+0xee/0x170 [ 7465.093379][ T10] __sys_sendmsg+0xcd/0x170 [ 7465.093379][ T10] do_syscall_64+0xc6/0x1e0 [ 7465.093379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7465.093379][ T10] [ 7465.095088][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7465.095088][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7465.095088][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7465.095088][ T10] ipv6_find_idev+0x102/0x170 [ 7465.095088][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7465.095088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7465.095088][ T10] netlink_rcv_skb+0x130/0x360 [ 7465.095088][ T10] netlink_unicast+0x449/0x710 [ 7465.095088][ T10] netlink_sendmsg+0x723/0xbe0 [ 7465.095088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7465.095088][ T10] ___sys_sendmsg+0xee/0x170 [ 7465.095088][ T10] __sys_sendmsg+0xcd/0x170 [ 7465.095088][ T10] do_syscall_64+0xc6/0x1e0 [ 7465.095088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7465.095088][ T10] [ 7468.681087][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7468.681784][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7468.681784][ T1167] dst_init+0x84/0x4a0 [ 7468.681784][ T1167] dst_alloc+0x97/0x150 [ 7468.681784][ T1167] ip6_dst_alloc+0x23/0x90 [ 7468.681784][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7468.681784][ T1167] ip6_pol_route+0x56f/0x840 [ 7468.681784][ T1167] fib6_rule_lookup+0x334/0x630 [ 7468.681784][ T1167] ip6_route_output_flags+0x259/0x480 [ 7468.681784][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7468.681784][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7468.681784][ T1167] netlink_rcv_skb+0x130/0x360 [ 7468.681784][ T1167] netlink_unicast+0x449/0x710 [ 7468.681784][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7468.681784][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7468.681784][ T1167] ___sys_sendmsg+0xee/0x170 [ 7468.681784][ T1167] __sys_sendmsg+0xcd/0x170 [ 7468.681784][ T1167] do_syscall_64+0xc6/0x1e0 [ 7468.681784][ T1167] [ 7468.684546][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7468.684546][ T1167] netdev_get_by_index+0x5e/0x80 [ 7468.684546][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7468.684546][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7468.684546][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7468.684546][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7468.684546][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7468.684546][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7468.684546][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7468.684546][ T1167] addrconf_dad_begin+0x310/0x670 [ 7468.684546][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7468.684546][ T1167] process_one_work+0x84d/0x18a0 [ 7468.684546][ T1167] worker_thread+0x587/0xd30 [ 7468.684546][ T1167] kthread+0x28a/0x350 [ 7468.684546][ T1167] ret_from_fork+0x31/0x70 [ 7468.684546][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7468.684546][ T1167] [ 7468.687030][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7468.687030][ T1167] netdev_get_by_index+0x5e/0x80 [ 7468.687030][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7468.687030][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7468.687030][ T1167] ip6_route_add+0x1c/0x140 [ 7468.687030][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7468.687030][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7468.687030][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7468.687030][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7468.687030][ T1167] netlink_rcv_skb+0x130/0x360 [ 7468.687030][ T1167] netlink_unicast+0x449/0x710 [ 7468.687030][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7468.687030][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7468.687030][ T1167] ___sys_sendmsg+0xee/0x170 [ 7468.687030][ T1167] __sys_sendmsg+0xcd/0x170 [ 7468.687030][ T1167] do_syscall_64+0xc6/0x1e0 [ 7468.687030][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7468.687030][ T1167] [ 7468.689662][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7468.689662][ T1167] netdev_get_by_index+0x5e/0x80 [ 7468.689662][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7468.689662][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7468.689662][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7468.689662][ T1167] ipv6_add_addr+0x411/0x2000 [ 7468.689662][ T1167] inet6_addr_add+0x30e/0xa40 [ 7468.689662][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7468.689662][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7468.689662][ T1167] netlink_rcv_skb+0x130/0x360 [ 7468.689662][ T1167] netlink_unicast+0x449/0x710 [ 7468.689662][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7468.689662][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7468.689662][ T1167] ___sys_sendmsg+0xee/0x170 [ 7468.689662][ T1167] __sys_sendmsg+0xcd/0x170 [ 7468.689662][ T1167] do_syscall_64+0xc6/0x1e0 [ 7468.689662][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7468.689662][ T1167] [ 7468.692847][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7468.692847][ T1167] netdev_get_by_index+0x5e/0x80 [ 7468.692847][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7468.692847][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7468.692847][ T1167] ip6_route_add+0x1c/0x140 [ 7468.692847][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7468.692847][ T1167] addrconf_add_dev+0xe2/0x170 [ 7468.692847][ T1167] inet6_addr_add+0x12f/0xa40 [ 7468.692847][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7468.692847][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7468.692847][ T1167] netlink_rcv_skb+0x130/0x360 [ 7468.692847][ T1167] netlink_unicast+0x449/0x710 [ 7468.692847][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7468.692847][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7468.692847][ T1167] ___sys_sendmsg+0xee/0x170 [ 7468.692847][ T1167] __sys_sendmsg+0xcd/0x170 [ 7468.692847][ T1167] do_syscall_64+0xc6/0x1e0 [ 7468.692847][ T1167] [ 7468.696050][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7468.696050][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7468.696050][ T1167] ipv6_find_idev+0x102/0x170 [ 7468.696050][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7468.696050][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7468.696050][ T1167] netlink_rcv_skb+0x130/0x360 [ 7468.696050][ T1167] netlink_unicast+0x449/0x710 [ 7468.696050][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7468.696050][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7468.696050][ T1167] ___sys_sendmsg+0xee/0x170 [ 7468.696050][ T1167] __sys_sendmsg+0xcd/0x170 [ 7468.696050][ T1167] do_syscall_64+0xc6/0x1e0 [ 7468.696050][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7468.696050][ T1167] [ 7468.699035][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7468.699035][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7468.699035][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7468.699035][ T1167] ipv6_find_idev+0x102/0x170 [ 7468.699035][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7468.699035][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7468.699035][ T1167] netlink_rcv_skb+0x130/0x360 [ 7468.699035][ T1167] netlink_unicast+0x449/0x710 [ 7468.699035][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7468.699035][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7468.699035][ T1167] ___sys_sendmsg+0xee/0x170 [ 7468.699035][ T1167] __sys_sendmsg+0xcd/0x170 [ 7468.699035][ T1167] do_syscall_64+0xc6/0x1e0 [ 7468.699035][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7468.699035][ T1167] [ 7475.337127][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7475.337559][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7475.337559][ T10] netdev_get_by_index+0x5e/0x80 [ 7475.337559][ T10] fib6_nh_init+0x3d8/0x1580 [ 7475.337559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7475.337559][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7475.337559][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7475.337559][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7475.337559][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7475.337559][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7475.337559][ T10] addrconf_dad_begin+0x310/0x670 [ 7475.337559][ T10] addrconf_dad_work+0x10b/0xab0 [ 7475.337559][ T10] process_one_work+0x84d/0x18a0 [ 7475.337559][ T10] worker_thread+0x587/0xd30 [ 7475.337559][ T10] kthread+0x28a/0x350 [ 7475.337559][ T10] ret_from_fork+0x31/0x70 [ 7475.337559][ T10] ret_from_fork_asm+0x1a/0x30 [ 7475.337559][ T10] [ 7475.339494][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7475.339494][ T10] netdev_get_by_index+0x5e/0x80 [ 7475.339494][ T10] fib6_nh_init+0x3d8/0x1580 [ 7475.339494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7475.339494][ T10] ip6_route_add+0x1c/0x140 [ 7475.339494][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7475.339494][ T10] inet6_addr_add+0x4f8/0xa40 [ 7475.339494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7475.339494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7475.339494][ T10] netlink_rcv_skb+0x130/0x360 [ 7475.339494][ T10] netlink_unicast+0x449/0x710 [ 7475.339494][ T10] netlink_sendmsg+0x723/0xbe0 [ 7475.339494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7475.339494][ T10] ___sys_sendmsg+0xee/0x170 [ 7475.339494][ T10] __sys_sendmsg+0xcd/0x170 [ 7475.339494][ T10] do_syscall_64+0xc6/0x1e0 [ 7475.339494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7475.339494][ T10] [ 7475.341488][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7475.341488][ T10] netdev_get_by_index+0x5e/0x80 [ 7475.341488][ T10] fib6_nh_init+0x3d8/0x1580 [ 7475.341488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7475.341488][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7475.341488][ T10] ipv6_add_addr+0x411/0x2000 [ 7475.341488][ T10] inet6_addr_add+0x30e/0xa40 [ 7475.341488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7475.341488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7475.341488][ T10] netlink_rcv_skb+0x130/0x360 [ 7475.341488][ T10] netlink_unicast+0x449/0x710 [ 7475.341488][ T10] netlink_sendmsg+0x723/0xbe0 [ 7475.341488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7475.341488][ T10] ___sys_sendmsg+0xee/0x170 [ 7475.341488][ T10] __sys_sendmsg+0xcd/0x170 [ 7475.341488][ T10] do_syscall_64+0xc6/0x1e0 [ 7475.341488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7475.341488][ T10] [ 7475.343507][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7475.343507][ T10] netdev_get_by_index+0x5e/0x80 [ 7475.343507][ T10] fib6_nh_init+0x3d8/0x1580 [ 7475.343507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7475.343507][ T10] ip6_route_add+0x1c/0x140 [ 7475.343507][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7475.343507][ T10] addrconf_add_dev+0xe2/0x170 [ 7475.343507][ T10] inet6_addr_add+0x12f/0xa40 [ 7475.343507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7475.343507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7475.343507][ T10] netlink_rcv_skb+0x130/0x360 [ 7475.343507][ T10] netlink_unicast+0x449/0x710 [ 7475.343507][ T10] netlink_sendmsg+0x723/0xbe0 [ 7475.343507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7475.343507][ T10] ___sys_sendmsg+0xee/0x170 [ 7475.343507][ T10] __sys_sendmsg+0xcd/0x170 [ 7475.343507][ T10] do_syscall_64+0xc6/0x1e0 [ 7475.343507][ T10] [ 7475.345461][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7475.345461][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7475.345461][ T10] ipv6_find_idev+0x102/0x170 [ 7475.345461][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7475.345461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7475.345461][ T10] netlink_rcv_skb+0x130/0x360 [ 7475.345461][ T10] netlink_unicast+0x449/0x710 [ 7475.345461][ T10] netlink_sendmsg+0x723/0xbe0 [ 7475.345461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7475.345461][ T10] ___sys_sendmsg+0xee/0x170 [ 7475.345461][ T10] __sys_sendmsg+0xcd/0x170 [ 7475.345461][ T10] do_syscall_64+0xc6/0x1e0 [ 7475.345461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7475.345461][ T10] [ 7475.346998][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7475.346998][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7475.346998][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7475.346998][ T10] ipv6_find_idev+0x102/0x170 [ 7475.346998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7475.346998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7475.346998][ T10] netlink_rcv_skb+0x130/0x360 [ 7475.346998][ T10] netlink_unicast+0x449/0x710 [ 7475.346998][ T10] netlink_sendmsg+0x723/0xbe0 [ 7475.346998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7475.346998][ T10] ___sys_sendmsg+0xee/0x170 [ 7475.346998][ T10] __sys_sendmsg+0xcd/0x170 [ 7475.346998][ T10] do_syscall_64+0xc6/0x1e0 [ 7475.346998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7475.346998][ T10] [ 7475.348693][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7475.348938][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7475.348938][ T10] netdev_get_by_index+0x5e/0x80 [ 7475.348938][ T10] fib6_nh_init+0x3d8/0x1580 [ 7475.348938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7475.348938][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7475.348938][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7475.348938][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7475.348938][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7475.348938][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7475.348938][ T10] addrconf_dad_begin+0x310/0x670 [ 7475.348938][ T10] addrconf_dad_work+0x10b/0xab0 [ 7475.348938][ T10] process_one_work+0x84d/0x18a0 [ 7475.348938][ T10] worker_thread+0x587/0xd30 [ 7475.348938][ T10] kthread+0x28a/0x350 [ 7475.348938][ T10] ret_from_fork+0x31/0x70 [ 7475.348938][ T10] ret_from_fork_asm+0x1a/0x30 [ 7475.348938][ T10] [ 7475.350850][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7475.350850][ T10] netdev_get_by_index+0x5e/0x80 [ 7475.350850][ T10] fib6_nh_init+0x3d8/0x1580 [ 7475.350850][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7475.350850][ T10] ip6_route_add+0x1c/0x140 [ 7475.350850][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7475.350850][ T10] inet6_addr_add+0x4f8/0xa40 [ 7475.350850][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7475.350850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7475.350850][ T10] netlink_rcv_skb+0x130/0x360 [ 7475.350850][ T10] netlink_unicast+0x449/0x710 [ 7475.350850][ T10] netlink_sendmsg+0x723/0xbe0 [ 7475.350850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7475.350850][ T10] ___sys_sendmsg+0xee/0x170 [ 7475.350850][ T10] __sys_sendmsg+0xcd/0x170 [ 7475.350850][ T10] do_syscall_64+0xc6/0x1e0 [ 7475.350850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7475.350850][ T10] [ 7475.352844][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7475.352844][ T10] netdev_get_by_index+0x5e/0x80 [ 7475.352844][ T10] fib6_nh_init+0x3d8/0x1580 [ 7475.352844][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7475.352844][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7475.352844][ T10] ipv6_add_addr+0x411/0x2000 [ 7475.352844][ T10] inet6_addr_add+0x30e/0xa40 [ 7475.352844][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7475.352844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7475.352844][ T10] netlink_rcv_skb+0x130/0x360 [ 7475.352844][ T10] netlink_unicast+0x449/0x710 [ 7475.352844][ T10] netlink_sendmsg+0x723/0xbe0 [ 7475.352844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7475.352844][ T10] ___sys_sendmsg+0xee/0x170 [ 7475.352844][ T10] __sys_sendmsg+0xcd/0x170 [ 7475.352844][ T10] do_syscall_64+0xc6/0x1e0 [ 7475.352844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7475.352844][ T10] [ 7475.354854][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7475.354854][ T10] netdev_get_by_index+0x5e/0x80 [ 7475.354854][ T10] fib6_nh_init+0x3d8/0x1580 [ 7475.354854][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7475.354854][ T10] ip6_route_add+0x1c/0x140 [ 7475.354854][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7475.354854][ T10] addrconf_add_dev+0xe2/0x170 [ 7475.354854][ T10] inet6_addr_add+0x12f/0xa40 [ 7475.354854][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7475.354854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7475.354854][ T10] netlink_rcv_skb+0x130/0x360 [ 7475.354854][ T10] netlink_unicast+0x449/0x710 [ 7475.354854][ T10] netlink_sendmsg+0x723/0xbe0 [ 7475.354854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7475.354854][ T10] ___sys_sendmsg+0xee/0x170 [ 7475.354854][ T10] __sys_sendmsg+0xcd/0x170 [ 7475.354854][ T10] do_syscall_64+0xc6/0x1e0 [ 7475.354854][ T10] [ 7475.356824][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7475.356824][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7475.356824][ T10] ipv6_find_idev+0x102/0x170 [ 7475.356824][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7475.356824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7475.356824][ T10] netlink_rcv_skb+0x130/0x360 [ 7475.356824][ T10] netlink_unicast+0x449/0x710 [ 7475.356824][ T10] netlink_sendmsg+0x723/0xbe0 [ 7475.356824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7475.356824][ T10] ___sys_sendmsg+0xee/0x170 [ 7475.356824][ T10] __sys_sendmsg+0xcd/0x170 [ 7475.356824][ T10] do_syscall_64+0xc6/0x1e0 [ 7475.356824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7475.356824][ T10] [ 7475.358353][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7475.358353][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7475.358353][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7475.358353][ T10] ipv6_find_idev+0x102/0x170 [ 7475.358353][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7475.358353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7475.358353][ T10] netlink_rcv_skb+0x130/0x360 [ 7475.358353][ T10] netlink_unicast+0x449/0x710 [ 7475.358353][ T10] netlink_sendmsg+0x723/0xbe0 [ 7475.358353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7475.358353][ T10] ___sys_sendmsg+0xee/0x170 [ 7475.358353][ T10] __sys_sendmsg+0xcd/0x170 [ 7475.358353][ T10] do_syscall_64+0xc6/0x1e0 [ 7475.358353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7475.358353][ T10] [ 7475.360073][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7475.360310][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7475.360310][ T10] netdev_get_by_index+0x5e/0x80 [ 7475.360310][ T10] fib6_nh_init+0x3d8/0x1580 [ 7475.360310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7475.360310][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7475.360310][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7475.360310][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7475.360310][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7475.360310][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7475.360310][ T10] addrconf_dad_begin+0x310/0x670 [ 7475.360310][ T10] addrconf_dad_work+0x10b/0xab0 [ 7475.360310][ T10] process_one_work+0x84d/0x18a0 [ 7475.360310][ T10] worker_thread+0x587/0xd30 [ 7475.360310][ T10] kthread+0x28a/0x350 [ 7475.360310][ T10] ret_from_fork+0x31/0x70 [ 7475.360310][ T10] ret_from_fork_asm+0x1a/0x30 [ 7475.360310][ T10] [ 7475.362218][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7475.362218][ T10] netdev_get_by_index+0x5e/0x80 [ 7475.362218][ T10] fib6_nh_init+0x3d8/0x1580 [ 7475.362218][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7475.362218][ T10] ip6_route_add+0x1c/0x140 [ 7475.362218][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7475.362218][ T10] inet6_addr_add+0x4f8/0xa40 [ 7475.362218][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7475.362218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7475.362218][ T10] netlink_rcv_skb+0x130/0x360 [ 7475.362218][ T10] netlink_unicast+0x449/0x710 [ 7475.362218][ T10] netlink_sendmsg+0x723/0xbe0 [ 7475.362218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7475.362218][ T10] ___sys_sendmsg+0xee/0x170 [ 7475.362218][ T10] __sys_sendmsg+0xcd/0x170 [ 7475.362218][ T10] do_syscall_64+0xc6/0x1e0 [ 7475.362218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7475.362218][ T10] [ 7475.364465][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7475.364465][ T10] netdev_get_by_index+0x5e/0x80 [ 7475.364465][ T10] fib6_nh_init+0x3d8/0x1580 [ 7475.364465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7475.364465][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7475.364465][ T10] ipv6_add_addr+0x411/0x2000 [ 7475.364465][ T10] inet6_addr_add+0x30e/0xa40 [ 7475.364465][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7475.364465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7475.364465][ T10] netlink_rcv_skb+0x130/0x360 [ 7475.364465][ T10] netlink_unicast+0x449/0x710 [ 7475.364465][ T10] netlink_sendmsg+0x723/0xbe0 [ 7475.364465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7475.364465][ T10] ___sys_sendmsg+0xee/0x170 [ 7475.364465][ T10] __sys_sendmsg+0xcd/0x170 [ 7475.364465][ T10] do_syscall_64+0xc6/0x1e0 [ 7475.364465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7475.364465][ T10] [ 7475.366581][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7475.366581][ T10] netdev_get_by_index+0x5e/0x80 [ 7475.366581][ T10] fib6_nh_init+0x3d8/0x1580 [ 7475.366581][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7475.366581][ T10] ip6_route_add+0x1c/0x140 [ 7475.366581][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7475.366581][ T10] addrconf_add_dev+0xe2/0x170 [ 7475.366581][ T10] inet6_addr_add+0x12f/0xa40 [ 7475.366581][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7475.366581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7475.366581][ T10] netlink_rcv_skb+0x130/0x360 [ 7475.366581][ T10] netlink_unicast+0x449/0x710 [ 7475.366581][ T10] netlink_sendmsg+0x723/0xbe0 [ 7475.366581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7475.366581][ T10] ___sys_sendmsg+0xee/0x170 [ 7475.366581][ T10] __sys_sendmsg+0xcd/0x170 [ 7475.366581][ T10] do_syscall_64+0xc6/0x1e0 [ 7475.366581][ T10] [ 7475.368843][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7475.368843][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7475.368843][ T10] ipv6_find_idev+0x102/0x170 [ 7475.368843][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7475.368843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7475.368843][ T10] netlink_rcv_skb+0x130/0x360 [ 7475.368843][ T10] netlink_unicast+0x449/0x710 [ 7475.368843][ T10] netlink_sendmsg+0x723/0xbe0 [ 7475.368843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7475.368843][ T10] ___sys_sendmsg+0xee/0x170 [ 7475.368843][ T10] __sys_sendmsg+0xcd/0x170 [ 7475.368843][ T10] do_syscall_64+0xc6/0x1e0 [ 7475.368843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7475.368843][ T10] [ 7475.370502][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7475.370502][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7475.370502][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7475.370502][ T10] ipv6_find_idev+0x102/0x170 [ 7475.370502][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7475.370502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7475.370502][ T10] netlink_rcv_skb+0x130/0x360 [ 7475.370502][ T10] netlink_unicast+0x449/0x710 [ 7475.370502][ T10] netlink_sendmsg+0x723/0xbe0 [ 7475.370502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7475.370502][ T10] ___sys_sendmsg+0xee/0x170 [ 7475.370502][ T10] __sys_sendmsg+0xcd/0x170 [ 7475.370502][ T10] do_syscall_64+0xc6/0x1e0 [ 7475.370502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7475.370502][ T10] [ 7475.372369][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7475.372683][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7475.372683][ T10] netdev_get_by_index+0x5e/0x80 [ 7475.372683][ T10] fib6_nh_init+0x3d8/0x1580 [ 7475.372683][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7475.372683][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7475.372683][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7475.372683][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7475.372683][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7475.372683][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7475.372683][ T10] addrconf_dad_begin+0x310/0x670 [ 7475.372683][ T10] addrconf_dad_work+0x10b/0xab0 [ 7475.372683][ T10] process_one_work+0x84d/0x18a0 [ 7475.372683][ T10] worker_thread+0x587/0xd30 [ 7475.372683][ T10] kthread+0x28a/0x350 [ 7475.372683][ T10] ret_from_fork+0x31/0x70 [ 7475.372683][ T10] ret_from_fork_asm+0x1a/0x30 [ 7475.372683][ T10] [ 7475.374771][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7475.374771][ T10] netdev_get_by_index+0x5e/0x80 [ 7475.374771][ T10] fib6_nh_init+0x3d8/0x1580 [ 7475.374771][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7475.374771][ T10] ip6_route_add+0x1c/0x140 [ 7475.374771][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7475.374771][ T10] inet6_addr_add+0x4f8/0xa40 [ 7475.374771][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7475.374771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7475.374771][ T10] netlink_rcv_skb+0x130/0x360 [ 7475.374771][ T10] netlink_unicast+0x449/0x710 [ 7475.374771][ T10] netlink_sendmsg+0x723/0xbe0 [ 7475.374771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7475.374771][ T10] ___sys_sendmsg+0xee/0x170 [ 7475.374771][ T10] __sys_sendmsg+0xcd/0x170 [ 7475.374771][ T10] do_syscall_64+0xc6/0x1e0 [ 7475.374771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7475.374771][ T10] [ 7475.377026][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7475.377026][ T10] netdev_get_by_index+0x5e/0x80 [ 7475.377026][ T10] fib6_nh_init+0x3d8/0x1580 [ 7475.377026][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7475.377026][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7475.377026][ T10] ipv6_add_addr+0x411/0x2000 [ 7475.377026][ T10] inet6_addr_add+0x30e/0xa40 [ 7475.377026][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7475.377026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7475.377026][ T10] netlink_rcv_skb+0x130/0x360 [ 7475.377026][ T10] netlink_unicast+0x449/0x710 [ 7475.377026][ T10] netlink_sendmsg+0x723/0xbe0 [ 7475.377026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7475.377026][ T10] ___sys_sendmsg+0xee/0x170 [ 7475.377026][ T10] __sys_sendmsg+0xcd/0x170 [ 7475.377026][ T10] do_syscall_64+0xc6/0x1e0 [ 7475.377026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7475.377026][ T10] [ 7475.379250][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7475.379250][ T10] netdev_get_by_index+0x5e/0x80 [ 7475.379250][ T10] fib6_nh_init+0x3d8/0x1580 [ 7475.379250][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7475.379250][ T10] ip6_route_add+0x1c/0x140 [ 7475.379250][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7475.379250][ T10] addrconf_add_dev+0xe2/0x170 [ 7475.379250][ T10] inet6_addr_add+0x12f/0xa40 [ 7475.379250][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7475.379250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7475.379250][ T10] netlink_rcv_skb+0x130/0x360 [ 7475.379250][ T10] netlink_unicast+0x449/0x710 [ 7475.379250][ T10] netlink_sendmsg+0x723/0xbe0 [ 7475.379250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7475.379250][ T10] ___sys_sendmsg+0xee/0x170 [ 7475.379250][ T10] __sys_sendmsg+0xcd/0x170 [ 7475.379250][ T10] do_syscall_64+0xc6/0x1e0 [ 7475.379250][ T10] [ 7475.381455][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7475.381455][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7475.381455][ T10] ipv6_find_idev+0x102/0x170 [ 7475.381455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7475.381455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7475.381455][ T10] netlink_rcv_skb+0x130/0x360 [ 7475.381455][ T10] netlink_unicast+0x449/0x710 [ 7475.381455][ T10] netlink_sendmsg+0x723/0xbe0 [ 7475.381455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7475.381455][ T10] ___sys_sendmsg+0xee/0x170 [ 7475.381455][ T10] __sys_sendmsg+0xcd/0x170 [ 7475.381455][ T10] do_syscall_64+0xc6/0x1e0 [ 7475.381455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7475.381455][ T10] [ 7475.383176][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7475.383176][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7475.383176][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7475.383176][ T10] ipv6_find_idev+0x102/0x170 [ 7475.383176][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7475.383176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7475.383176][ T10] netlink_rcv_skb+0x130/0x360 [ 7475.383176][ T10] netlink_unicast+0x449/0x710 [ 7475.383176][ T10] netlink_sendmsg+0x723/0xbe0 [ 7475.383176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7475.383176][ T10] ___sys_sendmsg+0xee/0x170 [ 7475.383176][ T10] __sys_sendmsg+0xcd/0x170 [ 7475.383176][ T10] do_syscall_64+0xc6/0x1e0 [ 7475.383176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7475.383176][ T10] [ 7478.713155][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7478.713719][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7478.713719][ T1167] dst_init+0x84/0x4a0 [ 7478.713719][ T1167] dst_alloc+0x97/0x150 [ 7478.713719][ T1167] ip6_dst_alloc+0x23/0x90 [ 7478.713719][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7478.713719][ T1167] ip6_pol_route+0x56f/0x840 [ 7478.713719][ T1167] fib6_rule_lookup+0x334/0x630 [ 7478.713719][ T1167] ip6_route_output_flags+0x259/0x480 [ 7478.713719][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7478.713719][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7478.713719][ T1167] netlink_rcv_skb+0x130/0x360 [ 7478.713719][ T1167] netlink_unicast+0x449/0x710 [ 7478.713719][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7478.713719][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7478.713719][ T1167] ___sys_sendmsg+0xee/0x170 [ 7478.713719][ T1167] __sys_sendmsg+0xcd/0x170 [ 7478.713719][ T1167] do_syscall_64+0xc6/0x1e0 [ 7478.713719][ T1167] [ 7478.716207][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7478.716207][ T1167] netdev_get_by_index+0x5e/0x80 [ 7478.716207][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7478.716207][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7478.716207][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7478.716207][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7478.716207][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7478.716207][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7478.716207][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7478.716207][ T1167] addrconf_dad_begin+0x310/0x670 [ 7478.716207][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7478.716207][ T1167] process_one_work+0x84d/0x18a0 [ 7478.716207][ T1167] worker_thread+0x587/0xd30 [ 7478.716207][ T1167] kthread+0x28a/0x350 [ 7478.716207][ T1167] ret_from_fork+0x31/0x70 [ 7478.716207][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7478.716207][ T1167] [ 7478.718670][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7478.718670][ T1167] netdev_get_by_index+0x5e/0x80 [ 7478.718670][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7478.718670][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7478.718670][ T1167] ip6_route_add+0x1c/0x140 [ 7478.718670][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7478.718670][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7478.718670][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7478.718670][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7478.718670][ T1167] netlink_rcv_skb+0x130/0x360 [ 7478.718670][ T1167] netlink_unicast+0x449/0x710 [ 7478.718670][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7478.718670][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7478.718670][ T1167] ___sys_sendmsg+0xee/0x170 [ 7478.718670][ T1167] __sys_sendmsg+0xcd/0x170 [ 7478.718670][ T1167] do_syscall_64+0xc6/0x1e0 [ 7478.718670][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7478.718670][ T1167] [ 7478.721215][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7478.721215][ T1167] netdev_get_by_index+0x5e/0x80 [ 7478.721215][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7478.721215][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7478.721215][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7478.721215][ T1167] ipv6_add_addr+0x411/0x2000 [ 7478.721215][ T1167] inet6_addr_add+0x30e/0xa40 [ 7478.721215][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7478.721215][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7478.721215][ T1167] netlink_rcv_skb+0x130/0x360 [ 7478.721215][ T1167] netlink_unicast+0x449/0x710 [ 7478.721215][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7478.721215][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7478.721215][ T1167] ___sys_sendmsg+0xee/0x170 [ 7478.721215][ T1167] __sys_sendmsg+0xcd/0x170 [ 7478.721215][ T1167] do_syscall_64+0xc6/0x1e0 [ 7478.721215][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7478.721215][ T1167] [ 7478.723820][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7478.723820][ T1167] netdev_get_by_index+0x5e/0x80 [ 7478.723820][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7478.723820][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7478.723820][ T1167] ip6_route_add+0x1c/0x140 [ 7478.723820][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7478.723820][ T1167] addrconf_add_dev+0xe2/0x170 [ 7478.723820][ T1167] inet6_addr_add+0x12f/0xa40 [ 7478.723820][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7478.723820][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7478.723820][ T1167] netlink_rcv_skb+0x130/0x360 [ 7478.723820][ T1167] netlink_unicast+0x449/0x710 [ 7478.723820][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7478.723820][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7478.723820][ T1167] ___sys_sendmsg+0xee/0x170 [ 7478.723820][ T1167] __sys_sendmsg+0xcd/0x170 [ 7478.723820][ T1167] do_syscall_64+0xc6/0x1e0 [ 7478.723820][ T1167] [ 7478.726328][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7478.726328][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7478.726328][ T1167] ipv6_find_idev+0x102/0x170 [ 7478.726328][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7478.726328][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7478.726328][ T1167] netlink_rcv_skb+0x130/0x360 [ 7478.726328][ T1167] netlink_unicast+0x449/0x710 [ 7478.726328][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7478.726328][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7478.726328][ T1167] ___sys_sendmsg+0xee/0x170 [ 7478.726328][ T1167] __sys_sendmsg+0xcd/0x170 [ 7478.726328][ T1167] do_syscall_64+0xc6/0x1e0 [ 7478.726328][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7478.726328][ T1167] [ 7478.728272][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7478.728272][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7478.728272][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7478.728272][ T1167] ipv6_find_idev+0x102/0x170 [ 7478.728272][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7478.728272][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7478.728272][ T1167] netlink_rcv_skb+0x130/0x360 [ 7478.728272][ T1167] netlink_unicast+0x449/0x710 [ 7478.728272][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7478.728272][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7478.728272][ T1167] ___sys_sendmsg+0xee/0x170 [ 7478.728272][ T1167] __sys_sendmsg+0xcd/0x170 [ 7478.728272][ T1167] do_syscall_64+0xc6/0x1e0 [ 7478.728272][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7478.728272][ T1167] [ 7485.641154][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7485.641598][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7485.641598][ T10] netdev_get_by_index+0x5e/0x80 [ 7485.641598][ T10] fib6_nh_init+0x3d8/0x1580 [ 7485.641598][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7485.641598][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7485.641598][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7485.641598][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7485.641598][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7485.641598][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7485.641598][ T10] addrconf_dad_begin+0x310/0x670 [ 7485.641598][ T10] addrconf_dad_work+0x10b/0xab0 [ 7485.641598][ T10] process_one_work+0x84d/0x18a0 [ 7485.641598][ T10] worker_thread+0x587/0xd30 [ 7485.641598][ T10] kthread+0x28a/0x350 [ 7485.641598][ T10] ret_from_fork+0x31/0x70 [ 7485.641598][ T10] ret_from_fork_asm+0x1a/0x30 [ 7485.641598][ T10] [ 7485.643559][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7485.643559][ T10] netdev_get_by_index+0x5e/0x80 [ 7485.643559][ T10] fib6_nh_init+0x3d8/0x1580 [ 7485.643559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7485.643559][ T10] ip6_route_add+0x1c/0x140 [ 7485.643559][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7485.643559][ T10] inet6_addr_add+0x4f8/0xa40 [ 7485.643559][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7485.643559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7485.643559][ T10] netlink_rcv_skb+0x130/0x360 [ 7485.643559][ T10] netlink_unicast+0x449/0x710 [ 7485.643559][ T10] netlink_sendmsg+0x723/0xbe0 [ 7485.643559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7485.643559][ T10] ___sys_sendmsg+0xee/0x170 [ 7485.643559][ T10] __sys_sendmsg+0xcd/0x170 [ 7485.643559][ T10] do_syscall_64+0xc6/0x1e0 [ 7485.643559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7485.643559][ T10] [ 7485.645555][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7485.645555][ T10] netdev_get_by_index+0x5e/0x80 [ 7485.645555][ T10] fib6_nh_init+0x3d8/0x1580 [ 7485.645555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7485.645555][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7485.645555][ T10] ipv6_add_addr+0x411/0x2000 [ 7485.645555][ T10] inet6_addr_add+0x30e/0xa40 [ 7485.645555][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7485.645555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7485.645555][ T10] netlink_rcv_skb+0x130/0x360 [ 7485.645555][ T10] netlink_unicast+0x449/0x710 [ 7485.645555][ T10] netlink_sendmsg+0x723/0xbe0 [ 7485.645555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7485.645555][ T10] ___sys_sendmsg+0xee/0x170 [ 7485.645555][ T10] __sys_sendmsg+0xcd/0x170 [ 7485.645555][ T10] do_syscall_64+0xc6/0x1e0 [ 7485.645555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7485.645555][ T10] [ 7485.647550][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7485.647550][ T10] netdev_get_by_index+0x5e/0x80 [ 7485.647550][ T10] fib6_nh_init+0x3d8/0x1580 [ 7485.647550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7485.647550][ T10] ip6_route_add+0x1c/0x140 [ 7485.647550][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7485.647550][ T10] addrconf_add_dev+0xe2/0x170 [ 7485.647550][ T10] inet6_addr_add+0x12f/0xa40 [ 7485.647550][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7485.647550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7485.647550][ T10] netlink_rcv_skb+0x130/0x360 [ 7485.647550][ T10] netlink_unicast+0x449/0x710 [ 7485.647550][ T10] netlink_sendmsg+0x723/0xbe0 [ 7485.647550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7485.647550][ T10] ___sys_sendmsg+0xee/0x170 [ 7485.647550][ T10] __sys_sendmsg+0xcd/0x170 [ 7485.647550][ T10] do_syscall_64+0xc6/0x1e0 [ 7485.647550][ T10] [ 7485.649509][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7485.649509][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7485.649509][ T10] ipv6_find_idev+0x102/0x170 [ 7485.649509][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7485.649509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7485.649509][ T10] netlink_rcv_skb+0x130/0x360 [ 7485.649509][ T10] netlink_unicast+0x449/0x710 [ 7485.649509][ T10] netlink_sendmsg+0x723/0xbe0 [ 7485.649509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7485.649509][ T10] ___sys_sendmsg+0xee/0x170 [ 7485.649509][ T10] __sys_sendmsg+0xcd/0x170 [ 7485.649509][ T10] do_syscall_64+0xc6/0x1e0 [ 7485.649509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7485.649509][ T10] [ 7485.651072][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7485.651072][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7485.651072][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7485.651072][ T10] ipv6_find_idev+0x102/0x170 [ 7485.651072][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7485.651072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7485.651072][ T10] netlink_rcv_skb+0x130/0x360 [ 7485.651072][ T10] netlink_unicast+0x449/0x710 [ 7485.651072][ T10] netlink_sendmsg+0x723/0xbe0 [ 7485.651072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7485.651072][ T10] ___sys_sendmsg+0xee/0x170 [ 7485.651072][ T10] __sys_sendmsg+0xcd/0x170 [ 7485.651072][ T10] do_syscall_64+0xc6/0x1e0 [ 7485.651072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7485.651072][ T10] [ 7485.652765][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7485.653018][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7485.653018][ T10] netdev_get_by_index+0x5e/0x80 [ 7485.653018][ T10] fib6_nh_init+0x3d8/0x1580 [ 7485.653018][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7485.653018][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7485.653018][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7485.653018][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7485.653018][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7485.653018][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7485.653018][ T10] addrconf_dad_begin+0x310/0x670 [ 7485.653018][ T10] addrconf_dad_work+0x10b/0xab0 [ 7485.653018][ T10] process_one_work+0x84d/0x18a0 [ 7485.653018][ T10] worker_thread+0x587/0xd30 [ 7485.653018][ T10] kthread+0x28a/0x350 [ 7485.653018][ T10] ret_from_fork+0x31/0x70 [ 7485.653018][ T10] ret_from_fork_asm+0x1a/0x30 [ 7485.653018][ T10] [ 7485.654930][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7485.654930][ T10] netdev_get_by_index+0x5e/0x80 [ 7485.654930][ T10] fib6_nh_init+0x3d8/0x1580 [ 7485.654930][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7485.654930][ T10] ip6_route_add+0x1c/0x140 [ 7485.654930][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7485.654930][ T10] inet6_addr_add+0x4f8/0xa40 [ 7485.654930][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7485.654930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7485.654930][ T10] netlink_rcv_skb+0x130/0x360 [ 7485.654930][ T10] netlink_unicast+0x449/0x710 [ 7485.654930][ T10] netlink_sendmsg+0x723/0xbe0 [ 7485.654930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7485.654930][ T10] ___sys_sendmsg+0xee/0x170 [ 7485.654930][ T10] __sys_sendmsg+0xcd/0x170 [ 7485.654930][ T10] do_syscall_64+0xc6/0x1e0 [ 7485.654930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7485.654930][ T10] [ 7485.656940][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7485.656940][ T10] netdev_get_by_index+0x5e/0x80 [ 7485.656940][ T10] fib6_nh_init+0x3d8/0x1580 [ 7485.656940][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7485.656940][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7485.656940][ T10] ipv6_add_addr+0x411/0x2000 [ 7485.656940][ T10] inet6_addr_add+0x30e/0xa40 [ 7485.656940][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7485.656940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7485.656940][ T10] netlink_rcv_skb+0x130/0x360 [ 7485.656940][ T10] netlink_unicast+0x449/0x710 [ 7485.656940][ T10] netlink_sendmsg+0x723/0xbe0 [ 7485.656940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7485.656940][ T10] ___sys_sendmsg+0xee/0x170 [ 7485.656940][ T10] __sys_sendmsg+0xcd/0x170 [ 7485.656940][ T10] do_syscall_64+0xc6/0x1e0 [ 7485.656940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7485.656940][ T10] [ 7485.658943][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7485.658943][ T10] netdev_get_by_index+0x5e/0x80 [ 7485.658943][ T10] fib6_nh_init+0x3d8/0x1580 [ 7485.658943][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7485.658943][ T10] ip6_route_add+0x1c/0x140 [ 7485.658943][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7485.658943][ T10] addrconf_add_dev+0xe2/0x170 [ 7485.658943][ T10] inet6_addr_add+0x12f/0xa40 [ 7485.658943][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7485.658943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7485.658943][ T10] netlink_rcv_skb+0x130/0x360 [ 7485.658943][ T10] netlink_unicast+0x449/0x710 [ 7485.658943][ T10] netlink_sendmsg+0x723/0xbe0 [ 7485.658943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7485.658943][ T10] ___sys_sendmsg+0xee/0x170 [ 7485.658943][ T10] __sys_sendmsg+0xcd/0x170 [ 7485.658943][ T10] do_syscall_64+0xc6/0x1e0 [ 7485.658943][ T10] [ 7485.660893][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7485.660893][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7485.660893][ T10] ipv6_find_idev+0x102/0x170 [ 7485.660893][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7485.660893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7485.660893][ T10] netlink_rcv_skb+0x130/0x360 [ 7485.660893][ T10] netlink_unicast+0x449/0x710 [ 7485.660893][ T10] netlink_sendmsg+0x723/0xbe0 [ 7485.660893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7485.660893][ T10] ___sys_sendmsg+0xee/0x170 [ 7485.660893][ T10] __sys_sendmsg+0xcd/0x170 [ 7485.660893][ T10] do_syscall_64+0xc6/0x1e0 [ 7485.660893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7485.660893][ T10] [ 7485.662425][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7485.662425][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7485.662425][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7485.662425][ T10] ipv6_find_idev+0x102/0x170 [ 7485.662425][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7485.662425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7485.662425][ T10] netlink_rcv_skb+0x130/0x360 [ 7485.662425][ T10] netlink_unicast+0x449/0x710 [ 7485.662425][ T10] netlink_sendmsg+0x723/0xbe0 [ 7485.662425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7485.662425][ T10] ___sys_sendmsg+0xee/0x170 [ 7485.662425][ T10] __sys_sendmsg+0xcd/0x170 [ 7485.662425][ T10] do_syscall_64+0xc6/0x1e0 [ 7485.662425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7485.662425][ T10] [ 7485.664103][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7485.664340][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7485.664340][ T10] netdev_get_by_index+0x5e/0x80 [ 7485.664340][ T10] fib6_nh_init+0x3d8/0x1580 [ 7485.664340][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7485.664340][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7485.664340][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7485.664340][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7485.664340][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7485.664340][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7485.664340][ T10] addrconf_dad_begin+0x310/0x670 [ 7485.664340][ T10] addrconf_dad_work+0x10b/0xab0 [ 7485.664340][ T10] process_one_work+0x84d/0x18a0 [ 7485.664340][ T10] worker_thread+0x587/0xd30 [ 7485.664340][ T10] kthread+0x28a/0x350 [ 7485.664340][ T10] ret_from_fork+0x31/0x70 [ 7485.664340][ T10] ret_from_fork_asm+0x1a/0x30 [ 7485.664340][ T10] [ 7485.666265][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7485.666265][ T10] netdev_get_by_index+0x5e/0x80 [ 7485.666265][ T10] fib6_nh_init+0x3d8/0x1580 [ 7485.666265][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7485.666265][ T10] ip6_route_add+0x1c/0x140 [ 7485.666265][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7485.666265][ T10] inet6_addr_add+0x4f8/0xa40 [ 7485.666265][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7485.666265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7485.666265][ T10] netlink_rcv_skb+0x130/0x360 [ 7485.666265][ T10] netlink_unicast+0x449/0x710 [ 7485.666265][ T10] netlink_sendmsg+0x723/0xbe0 [ 7485.666265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7485.666265][ T10] ___sys_sendmsg+0xee/0x170 [ 7485.666265][ T10] __sys_sendmsg+0xcd/0x170 [ 7485.666265][ T10] do_syscall_64+0xc6/0x1e0 [ 7485.666265][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7485.666265][ T10] [ 7485.668442][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7485.668442][ T10] netdev_get_by_index+0x5e/0x80 [ 7485.668442][ T10] fib6_nh_init+0x3d8/0x1580 [ 7485.668442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7485.668442][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7485.668442][ T10] ipv6_add_addr+0x411/0x2000 [ 7485.668442][ T10] inet6_addr_add+0x30e/0xa40 [ 7485.668442][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7485.668442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7485.668442][ T10] netlink_rcv_skb+0x130/0x360 [ 7485.668442][ T10] netlink_unicast+0x449/0x710 [ 7485.668442][ T10] netlink_sendmsg+0x723/0xbe0 [ 7485.668442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7485.668442][ T10] ___sys_sendmsg+0xee/0x170 [ 7485.668442][ T10] __sys_sendmsg+0xcd/0x170 [ 7485.668442][ T10] do_syscall_64+0xc6/0x1e0 [ 7485.668442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7485.668442][ T10] [ 7485.670675][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7485.670675][ T10] netdev_get_by_index+0x5e/0x80 [ 7485.670675][ T10] fib6_nh_init+0x3d8/0x1580 [ 7485.670675][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7485.670675][ T10] ip6_route_add+0x1c/0x140 [ 7485.670675][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7485.670675][ T10] addrconf_add_dev+0xe2/0x170 [ 7485.670675][ T10] inet6_addr_add+0x12f/0xa40 [ 7485.670675][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7485.670675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7485.670675][ T10] netlink_rcv_skb+0x130/0x360 [ 7485.670675][ T10] netlink_unicast+0x449/0x710 [ 7485.670675][ T10] netlink_sendmsg+0x723/0xbe0 [ 7485.670675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7485.670675][ T10] ___sys_sendmsg+0xee/0x170 [ 7485.670675][ T10] __sys_sendmsg+0xcd/0x170 [ 7485.670675][ T10] do_syscall_64+0xc6/0x1e0 [ 7485.670675][ T10] [ 7485.672827][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7485.672827][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7485.672827][ T10] ipv6_find_idev+0x102/0x170 [ 7485.672827][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7485.672827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7485.672827][ T10] netlink_rcv_skb+0x130/0x360 [ 7485.672827][ T10] netlink_unicast+0x449/0x710 [ 7485.672827][ T10] netlink_sendmsg+0x723/0xbe0 [ 7485.672827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7485.672827][ T10] ___sys_sendmsg+0xee/0x170 [ 7485.672827][ T10] __sys_sendmsg+0xcd/0x170 [ 7485.672827][ T10] do_syscall_64+0xc6/0x1e0 [ 7485.672827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7485.672827][ T10] [ 7485.674548][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7485.674548][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7485.674548][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7485.674548][ T10] ipv6_find_idev+0x102/0x170 [ 7485.674548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7485.674548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7485.674548][ T10] netlink_rcv_skb+0x130/0x360 [ 7485.674548][ T10] netlink_unicast+0x449/0x710 [ 7485.674548][ T10] netlink_sendmsg+0x723/0xbe0 [ 7485.674548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7485.674548][ T10] ___sys_sendmsg+0xee/0x170 [ 7485.674548][ T10] __sys_sendmsg+0xcd/0x170 [ 7485.674548][ T10] do_syscall_64+0xc6/0x1e0 [ 7485.674548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7485.674548][ T10] [ 7485.676408][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7485.676646][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7485.676646][ T10] netdev_get_by_index+0x5e/0x80 [ 7485.676646][ T10] fib6_nh_init+0x3d8/0x1580 [ 7485.676646][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7485.676646][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7485.676646][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7485.676646][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7485.676646][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7485.676646][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7485.676646][ T10] addrconf_dad_begin+0x310/0x670 [ 7485.676646][ T10] addrconf_dad_work+0x10b/0xab0 [ 7485.676646][ T10] process_one_work+0x84d/0x18a0 [ 7485.676646][ T10] worker_thread+0x587/0xd30 [ 7485.676646][ T10] kthread+0x28a/0x350 [ 7485.676646][ T10] ret_from_fork+0x31/0x70 [ 7485.676646][ T10] ret_from_fork_asm+0x1a/0x30 [ 7485.676646][ T10] [ 7485.678788][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7485.678788][ T10] netdev_get_by_index+0x5e/0x80 [ 7485.678788][ T10] fib6_nh_init+0x3d8/0x1580 [ 7485.678788][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7485.678788][ T10] ip6_route_add+0x1c/0x140 [ 7485.678788][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7485.678788][ T10] inet6_addr_add+0x4f8/0xa40 [ 7485.678788][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7485.678788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7485.678788][ T10] netlink_rcv_skb+0x130/0x360 [ 7485.678788][ T10] netlink_unicast+0x449/0x710 [ 7485.678788][ T10] netlink_sendmsg+0x723/0xbe0 [ 7485.678788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7485.678788][ T10] ___sys_sendmsg+0xee/0x170 [ 7485.678788][ T10] __sys_sendmsg+0xcd/0x170 [ 7485.678788][ T10] do_syscall_64+0xc6/0x1e0 [ 7485.678788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7485.678788][ T10] [ 7485.680911][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7485.680911][ T10] netdev_get_by_index+0x5e/0x80 [ 7485.680911][ T10] fib6_nh_init+0x3d8/0x1580 [ 7485.680911][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7485.680911][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7485.680911][ T10] ipv6_add_addr+0x411/0x2000 [ 7485.680911][ T10] inet6_addr_add+0x30e/0xa40 [ 7485.680911][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7485.680911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7485.680911][ T10] netlink_rcv_skb+0x130/0x360 [ 7485.680911][ T10] netlink_unicast+0x449/0x710 [ 7485.680911][ T10] netlink_sendmsg+0x723/0xbe0 [ 7485.680911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7485.680911][ T10] ___sys_sendmsg+0xee/0x170 [ 7485.680911][ T10] __sys_sendmsg+0xcd/0x170 [ 7485.680911][ T10] do_syscall_64+0xc6/0x1e0 [ 7485.680911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7485.680911][ T10] [ 7485.683140][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7485.683140][ T10] netdev_get_by_index+0x5e/0x80 [ 7485.683140][ T10] fib6_nh_init+0x3d8/0x1580 [ 7485.683140][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7485.683140][ T10] ip6_route_add+0x1c/0x140 [ 7485.683140][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7485.683140][ T10] addrconf_add_dev+0xe2/0x170 [ 7485.683140][ T10] inet6_addr_add+0x12f/0xa40 [ 7485.683140][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7485.683140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7485.683140][ T10] netlink_rcv_skb+0x130/0x360 [ 7485.683140][ T10] netlink_unicast+0x449/0x710 [ 7485.683140][ T10] netlink_sendmsg+0x723/0xbe0 [ 7485.683140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7485.683140][ T10] ___sys_sendmsg+0xee/0x170 [ 7485.683140][ T10] __sys_sendmsg+0xcd/0x170 [ 7485.683140][ T10] do_syscall_64+0xc6/0x1e0 [ 7485.683140][ T10] [ 7485.685337][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7485.685337][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7485.685337][ T10] ipv6_find_idev+0x102/0x170 [ 7485.685337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7485.685337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7485.685337][ T10] netlink_rcv_skb+0x130/0x360 [ 7485.685337][ T10] netlink_unicast+0x449/0x710 [ 7485.685337][ T10] netlink_sendmsg+0x723/0xbe0 [ 7485.685337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7485.685337][ T10] ___sys_sendmsg+0xee/0x170 [ 7485.685337][ T10] __sys_sendmsg+0xcd/0x170 [ 7485.685337][ T10] do_syscall_64+0xc6/0x1e0 [ 7485.685337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7485.685337][ T10] [ 7485.686999][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7485.686999][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7485.686999][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7485.686999][ T10] ipv6_find_idev+0x102/0x170 [ 7485.686999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7485.686999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7485.686999][ T10] netlink_rcv_skb+0x130/0x360 [ 7485.686999][ T10] netlink_unicast+0x449/0x710 [ 7485.686999][ T10] netlink_sendmsg+0x723/0xbe0 [ 7485.686999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7485.686999][ T10] ___sys_sendmsg+0xee/0x170 [ 7485.686999][ T10] __sys_sendmsg+0xcd/0x170 [ 7485.686999][ T10] do_syscall_64+0xc6/0x1e0 [ 7485.686999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7485.686999][ T10] [ 7488.969181][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7488.969675][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7488.969675][ T1167] dst_init+0x84/0x4a0 [ 7488.969675][ T1167] dst_alloc+0x97/0x150 [ 7488.969675][ T1167] ip6_dst_alloc+0x23/0x90 [ 7488.969675][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7488.969675][ T1167] ip6_pol_route+0x56f/0x840 [ 7488.969675][ T1167] fib6_rule_lookup+0x334/0x630 [ 7488.969675][ T1167] ip6_route_output_flags+0x259/0x480 [ 7488.969675][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7488.969675][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7488.969675][ T1167] netlink_rcv_skb+0x130/0x360 [ 7488.969675][ T1167] netlink_unicast+0x449/0x710 [ 7488.969675][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7488.969675][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7488.969675][ T1167] ___sys_sendmsg+0xee/0x170 [ 7488.969675][ T1167] __sys_sendmsg+0xcd/0x170 [ 7488.969675][ T1167] do_syscall_64+0xc6/0x1e0 [ 7488.969675][ T1167] [ 7488.971887][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7488.971887][ T1167] netdev_get_by_index+0x5e/0x80 [ 7488.971887][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7488.971887][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7488.971887][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7488.971887][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7488.971887][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7488.971887][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7488.971887][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7488.971887][ T1167] addrconf_dad_begin+0x310/0x670 [ 7488.971887][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7488.971887][ T1167] process_one_work+0x84d/0x18a0 [ 7488.971887][ T1167] worker_thread+0x587/0xd30 [ 7488.971887][ T1167] kthread+0x28a/0x350 [ 7488.971887][ T1167] ret_from_fork+0x31/0x70 [ 7488.971887][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7488.971887][ T1167] [ 7488.974061][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7488.974061][ T1167] netdev_get_by_index+0x5e/0x80 [ 7488.974061][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7488.974061][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7488.974061][ T1167] ip6_route_add+0x1c/0x140 [ 7488.974061][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7488.974061][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7488.974061][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7488.974061][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7488.974061][ T1167] netlink_rcv_skb+0x130/0x360 [ 7488.974061][ T1167] netlink_unicast+0x449/0x710 [ 7488.974061][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7488.974061][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7488.974061][ T1167] ___sys_sendmsg+0xee/0x170 [ 7488.974061][ T1167] __sys_sendmsg+0xcd/0x170 [ 7488.974061][ T1167] do_syscall_64+0xc6/0x1e0 [ 7488.974061][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7488.974061][ T1167] [ 7488.976304][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7488.976304][ T1167] netdev_get_by_index+0x5e/0x80 [ 7488.976304][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7488.976304][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7488.976304][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7488.976304][ T1167] ipv6_add_addr+0x411/0x2000 [ 7488.976304][ T1167] inet6_addr_add+0x30e/0xa40 [ 7488.976304][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7488.976304][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7488.976304][ T1167] netlink_rcv_skb+0x130/0x360 [ 7488.976304][ T1167] netlink_unicast+0x449/0x710 [ 7488.976304][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7488.976304][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7488.976304][ T1167] ___sys_sendmsg+0xee/0x170 [ 7488.976304][ T1167] __sys_sendmsg+0xcd/0x170 [ 7488.976304][ T1167] do_syscall_64+0xc6/0x1e0 [ 7488.976304][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7488.976304][ T1167] [ 7488.978549][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7488.978549][ T1167] netdev_get_by_index+0x5e/0x80 [ 7488.978549][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7488.978549][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7488.978549][ T1167] ip6_route_add+0x1c/0x140 [ 7488.978549][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7488.978549][ T1167] addrconf_add_dev+0xe2/0x170 [ 7488.978549][ T1167] inet6_addr_add+0x12f/0xa40 [ 7488.978549][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7488.978549][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7488.978549][ T1167] netlink_rcv_skb+0x130/0x360 [ 7488.978549][ T1167] netlink_unicast+0x449/0x710 [ 7488.978549][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7488.978549][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7488.978549][ T1167] ___sys_sendmsg+0xee/0x170 [ 7488.978549][ T1167] __sys_sendmsg+0xcd/0x170 [ 7488.978549][ T1167] do_syscall_64+0xc6/0x1e0 [ 7488.978549][ T1167] [ 7488.980749][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7488.980749][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7488.980749][ T1167] ipv6_find_idev+0x102/0x170 [ 7488.980749][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7488.980749][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7488.980749][ T1167] netlink_rcv_skb+0x130/0x360 [ 7488.980749][ T1167] netlink_unicast+0x449/0x710 [ 7488.980749][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7488.980749][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7488.980749][ T1167] ___sys_sendmsg+0xee/0x170 [ 7488.980749][ T1167] __sys_sendmsg+0xcd/0x170 [ 7488.980749][ T1167] do_syscall_64+0xc6/0x1e0 [ 7488.980749][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7488.980749][ T1167] [ 7488.982476][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7488.982476][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7488.982476][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7488.982476][ T1167] ipv6_find_idev+0x102/0x170 [ 7488.982476][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7488.982476][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7488.982476][ T1167] netlink_rcv_skb+0x130/0x360 [ 7488.982476][ T1167] netlink_unicast+0x449/0x710 [ 7488.982476][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7488.982476][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7488.982476][ T1167] ___sys_sendmsg+0xee/0x170 [ 7488.982476][ T1167] __sys_sendmsg+0xcd/0x170 [ 7488.982476][ T1167] do_syscall_64+0xc6/0x1e0 [ 7488.982476][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7488.982476][ T1167] [ 7495.849252][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7495.849680][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7495.849680][ T10] netdev_get_by_index+0x5e/0x80 [ 7495.849680][ T10] fib6_nh_init+0x3d8/0x1580 [ 7495.849680][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7495.849680][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7495.849680][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7495.849680][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7495.849680][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7495.849680][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7495.849680][ T10] addrconf_dad_begin+0x310/0x670 [ 7495.849680][ T10] addrconf_dad_work+0x10b/0xab0 [ 7495.849680][ T10] process_one_work+0x84d/0x18a0 [ 7495.849680][ T10] worker_thread+0x587/0xd30 [ 7495.849680][ T10] kthread+0x28a/0x350 [ 7495.849680][ T10] ret_from_fork+0x31/0x70 [ 7495.849680][ T10] ret_from_fork_asm+0x1a/0x30 [ 7495.849680][ T10] [ 7495.851638][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7495.851638][ T10] netdev_get_by_index+0x5e/0x80 [ 7495.851638][ T10] fib6_nh_init+0x3d8/0x1580 [ 7495.851638][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7495.851638][ T10] ip6_route_add+0x1c/0x140 [ 7495.851638][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7495.851638][ T10] inet6_addr_add+0x4f8/0xa40 [ 7495.851638][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7495.851638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7495.851638][ T10] netlink_rcv_skb+0x130/0x360 [ 7495.851638][ T10] netlink_unicast+0x449/0x710 [ 7495.851638][ T10] netlink_sendmsg+0x723/0xbe0 [ 7495.851638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7495.851638][ T10] ___sys_sendmsg+0xee/0x170 [ 7495.851638][ T10] __sys_sendmsg+0xcd/0x170 [ 7495.851638][ T10] do_syscall_64+0xc6/0x1e0 [ 7495.851638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7495.851638][ T10] [ 7495.853681][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7495.853681][ T10] netdev_get_by_index+0x5e/0x80 [ 7495.853681][ T10] fib6_nh_init+0x3d8/0x1580 [ 7495.853681][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7495.853681][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7495.853681][ T10] ipv6_add_addr+0x411/0x2000 [ 7495.853681][ T10] inet6_addr_add+0x30e/0xa40 [ 7495.853681][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7495.853681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7495.853681][ T10] netlink_rcv_skb+0x130/0x360 [ 7495.853681][ T10] netlink_unicast+0x449/0x710 [ 7495.853681][ T10] netlink_sendmsg+0x723/0xbe0 [ 7495.853681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7495.853681][ T10] ___sys_sendmsg+0xee/0x170 [ 7495.853681][ T10] __sys_sendmsg+0xcd/0x170 [ 7495.853681][ T10] do_syscall_64+0xc6/0x1e0 [ 7495.853681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7495.853681][ T10] [ 7495.855701][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7495.855701][ T10] netdev_get_by_index+0x5e/0x80 [ 7495.855701][ T10] fib6_nh_init+0x3d8/0x1580 [ 7495.855701][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7495.855701][ T10] ip6_route_add+0x1c/0x140 [ 7495.855701][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7495.855701][ T10] addrconf_add_dev+0xe2/0x170 [ 7495.855701][ T10] inet6_addr_add+0x12f/0xa40 [ 7495.855701][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7495.855701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7495.855701][ T10] netlink_rcv_skb+0x130/0x360 [ 7495.855701][ T10] netlink_unicast+0x449/0x710 [ 7495.855701][ T10] netlink_sendmsg+0x723/0xbe0 [ 7495.855701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7495.855701][ T10] ___sys_sendmsg+0xee/0x170 [ 7495.855701][ T10] __sys_sendmsg+0xcd/0x170 [ 7495.855701][ T10] do_syscall_64+0xc6/0x1e0 [ 7495.855701][ T10] [ 7495.857686][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7495.857686][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7495.857686][ T10] ipv6_find_idev+0x102/0x170 [ 7495.857686][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7495.857686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7495.857686][ T10] netlink_rcv_skb+0x130/0x360 [ 7495.857686][ T10] netlink_unicast+0x449/0x710 [ 7495.857686][ T10] netlink_sendmsg+0x723/0xbe0 [ 7495.857686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7495.857686][ T10] ___sys_sendmsg+0xee/0x170 [ 7495.857686][ T10] __sys_sendmsg+0xcd/0x170 [ 7495.857686][ T10] do_syscall_64+0xc6/0x1e0 [ 7495.857686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7495.857686][ T10] [ 7495.859215][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7495.859215][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7495.859215][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7495.859215][ T10] ipv6_find_idev+0x102/0x170 [ 7495.859215][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7495.859215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7495.859215][ T10] netlink_rcv_skb+0x130/0x360 [ 7495.859215][ T10] netlink_unicast+0x449/0x710 [ 7495.859215][ T10] netlink_sendmsg+0x723/0xbe0 [ 7495.859215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7495.859215][ T10] ___sys_sendmsg+0xee/0x170 [ 7495.859215][ T10] __sys_sendmsg+0xcd/0x170 [ 7495.859215][ T10] do_syscall_64+0xc6/0x1e0 [ 7495.859215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7495.859215][ T10] [ 7495.860924][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7495.861178][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7495.861178][ T10] netdev_get_by_index+0x5e/0x80 [ 7495.861178][ T10] fib6_nh_init+0x3d8/0x1580 [ 7495.861178][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7495.861178][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7495.861178][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7495.861178][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7495.861178][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7495.861178][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7495.861178][ T10] addrconf_dad_begin+0x310/0x670 [ 7495.861178][ T10] addrconf_dad_work+0x10b/0xab0 [ 7495.861178][ T10] process_one_work+0x84d/0x18a0 [ 7495.861178][ T10] worker_thread+0x587/0xd30 [ 7495.861178][ T10] kthread+0x28a/0x350 [ 7495.861178][ T10] ret_from_fork+0x31/0x70 [ 7495.861178][ T10] ret_from_fork_asm+0x1a/0x30 [ 7495.861178][ T10] [ 7495.863081][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7495.863081][ T10] netdev_get_by_index+0x5e/0x80 [ 7495.863081][ T10] fib6_nh_init+0x3d8/0x1580 [ 7495.863081][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7495.863081][ T10] ip6_route_add+0x1c/0x140 [ 7495.863081][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7495.863081][ T10] inet6_addr_add+0x4f8/0xa40 [ 7495.863081][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7495.863081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7495.863081][ T10] netlink_rcv_skb+0x130/0x360 [ 7495.863081][ T10] netlink_unicast+0x449/0x710 [ 7495.863081][ T10] netlink_sendmsg+0x723/0xbe0 [ 7495.863081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7495.863081][ T10] ___sys_sendmsg+0xee/0x170 [ 7495.863081][ T10] __sys_sendmsg+0xcd/0x170 [ 7495.863081][ T10] do_syscall_64+0xc6/0x1e0 [ 7495.863081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7495.863081][ T10] [ 7495.865059][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7495.865059][ T10] netdev_get_by_index+0x5e/0x80 [ 7495.865059][ T10] fib6_nh_init+0x3d8/0x1580 [ 7495.865059][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7495.865059][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7495.865059][ T10] ipv6_add_addr+0x411/0x2000 [ 7495.865059][ T10] inet6_addr_add+0x30e/0xa40 [ 7495.865059][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7495.865059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7495.865059][ T10] netlink_rcv_skb+0x130/0x360 [ 7495.865059][ T10] netlink_unicast+0x449/0x710 [ 7495.865059][ T10] netlink_sendmsg+0x723/0xbe0 [ 7495.865059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7495.865059][ T10] ___sys_sendmsg+0xee/0x170 [ 7495.865059][ T10] __sys_sendmsg+0xcd/0x170 [ 7495.865059][ T10] do_syscall_64+0xc6/0x1e0 [ 7495.865059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7495.865059][ T10] [ 7495.867042][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7495.867042][ T10] netdev_get_by_index+0x5e/0x80 [ 7495.867042][ T10] fib6_nh_init+0x3d8/0x1580 [ 7495.867042][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7495.867042][ T10] ip6_route_add+0x1c/0x140 [ 7495.867042][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7495.867042][ T10] addrconf_add_dev+0xe2/0x170 [ 7495.867042][ T10] inet6_addr_add+0x12f/0xa40 [ 7495.867042][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7495.867042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7495.867042][ T10] netlink_rcv_skb+0x130/0x360 [ 7495.867042][ T10] netlink_unicast+0x449/0x710 [ 7495.867042][ T10] netlink_sendmsg+0x723/0xbe0 [ 7495.867042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7495.867042][ T10] ___sys_sendmsg+0xee/0x170 [ 7495.867042][ T10] __sys_sendmsg+0xcd/0x170 [ 7495.867042][ T10] do_syscall_64+0xc6/0x1e0 [ 7495.867042][ T10] [ 7495.868991][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7495.868991][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7495.868991][ T10] ipv6_find_idev+0x102/0x170 [ 7495.868991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7495.868991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7495.868991][ T10] netlink_rcv_skb+0x130/0x360 [ 7495.868991][ T10] netlink_unicast+0x449/0x710 [ 7495.868991][ T10] netlink_sendmsg+0x723/0xbe0 [ 7495.868991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7495.868991][ T10] ___sys_sendmsg+0xee/0x170 [ 7495.868991][ T10] __sys_sendmsg+0xcd/0x170 [ 7495.868991][ T10] do_syscall_64+0xc6/0x1e0 [ 7495.868991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7495.868991][ T10] [ 7495.870515][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7495.870515][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7495.870515][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7495.870515][ T10] ipv6_find_idev+0x102/0x170 [ 7495.870515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7495.870515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7495.870515][ T10] netlink_rcv_skb+0x130/0x360 [ 7495.870515][ T10] netlink_unicast+0x449/0x710 [ 7495.870515][ T10] netlink_sendmsg+0x723/0xbe0 [ 7495.870515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7495.870515][ T10] ___sys_sendmsg+0xee/0x170 [ 7495.870515][ T10] __sys_sendmsg+0xcd/0x170 [ 7495.870515][ T10] do_syscall_64+0xc6/0x1e0 [ 7495.870515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7495.870515][ T10] [ 7495.872178][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7495.872416][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7495.872416][ T10] netdev_get_by_index+0x5e/0x80 [ 7495.872416][ T10] fib6_nh_init+0x3d8/0x1580 [ 7495.872416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7495.872416][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7495.872416][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7495.872416][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7495.872416][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7495.872416][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7495.872416][ T10] addrconf_dad_begin+0x310/0x670 [ 7495.872416][ T10] addrconf_dad_work+0x10b/0xab0 [ 7495.872416][ T10] process_one_work+0x84d/0x18a0 [ 7495.872416][ T10] worker_thread+0x587/0xd30 [ 7495.872416][ T10] kthread+0x28a/0x350 [ 7495.872416][ T10] ret_from_fork+0x31/0x70 [ 7495.872416][ T10] ret_from_fork_asm+0x1a/0x30 [ 7495.872416][ T10] [ 7495.874317][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7495.874317][ T10] netdev_get_by_index+0x5e/0x80 [ 7495.874317][ T10] fib6_nh_init+0x3d8/0x1580 [ 7495.874317][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7495.874317][ T10] ip6_route_add+0x1c/0x140 [ 7495.874317][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7495.874317][ T10] inet6_addr_add+0x4f8/0xa40 [ 7495.874317][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7495.874317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7495.874317][ T10] netlink_rcv_skb+0x130/0x360 [ 7495.874317][ T10] netlink_unicast+0x449/0x710 [ 7495.874317][ T10] netlink_sendmsg+0x723/0xbe0 [ 7495.874317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7495.874317][ T10] ___sys_sendmsg+0xee/0x170 [ 7495.874317][ T10] __sys_sendmsg+0xcd/0x170 [ 7495.874317][ T10] do_syscall_64+0xc6/0x1e0 [ 7495.874317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7495.874317][ T10] [ 7495.876479][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7495.876479][ T10] netdev_get_by_index+0x5e/0x80 [ 7495.876479][ T10] fib6_nh_init+0x3d8/0x1580 [ 7495.876479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7495.876479][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7495.876479][ T10] ipv6_add_addr+0x411/0x2000 [ 7495.876479][ T10] inet6_addr_add+0x30e/0xa40 [ 7495.876479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7495.876479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7495.876479][ T10] netlink_rcv_skb+0x130/0x360 [ 7495.876479][ T10] netlink_unicast+0x449/0x710 [ 7495.876479][ T10] netlink_sendmsg+0x723/0xbe0 [ 7495.876479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7495.876479][ T10] ___sys_sendmsg+0xee/0x170 [ 7495.876479][ T10] __sys_sendmsg+0xcd/0x170 [ 7495.876479][ T10] do_syscall_64+0xc6/0x1e0 [ 7495.876479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7495.876479][ T10] [ 7495.878691][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7495.878691][ T10] netdev_get_by_index+0x5e/0x80 [ 7495.878691][ T10] fib6_nh_init+0x3d8/0x1580 [ 7495.878691][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7495.878691][ T10] ip6_route_add+0x1c/0x140 [ 7495.878691][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7495.878691][ T10] addrconf_add_dev+0xe2/0x170 [ 7495.878691][ T10] inet6_addr_add+0x12f/0xa40 [ 7495.878691][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7495.878691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7495.878691][ T10] netlink_rcv_skb+0x130/0x360 [ 7495.878691][ T10] netlink_unicast+0x449/0x710 [ 7495.878691][ T10] netlink_sendmsg+0x723/0xbe0 [ 7495.878691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7495.878691][ T10] ___sys_sendmsg+0xee/0x170 [ 7495.878691][ T10] __sys_sendmsg+0xcd/0x170 [ 7495.878691][ T10] do_syscall_64+0xc6/0x1e0 [ 7495.878691][ T10] [ 7495.880819][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7495.880819][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7495.880819][ T10] ipv6_find_idev+0x102/0x170 [ 7495.880819][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7495.880819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7495.880819][ T10] netlink_rcv_skb+0x130/0x360 [ 7495.880819][ T10] netlink_unicast+0x449/0x710 [ 7495.880819][ T10] netlink_sendmsg+0x723/0xbe0 [ 7495.880819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7495.880819][ T10] ___sys_sendmsg+0xee/0x170 [ 7495.880819][ T10] __sys_sendmsg+0xcd/0x170 [ 7495.880819][ T10] do_syscall_64+0xc6/0x1e0 [ 7495.880819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7495.880819][ T10] [ 7495.882533][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7495.882533][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7495.882533][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7495.882533][ T10] ipv6_find_idev+0x102/0x170 [ 7495.882533][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7495.882533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7495.882533][ T10] netlink_rcv_skb+0x130/0x360 [ 7495.882533][ T10] netlink_unicast+0x449/0x710 [ 7495.882533][ T10] netlink_sendmsg+0x723/0xbe0 [ 7495.882533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7495.882533][ T10] ___sys_sendmsg+0xee/0x170 [ 7495.882533][ T10] __sys_sendmsg+0xcd/0x170 [ 7495.882533][ T10] do_syscall_64+0xc6/0x1e0 [ 7495.882533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7495.882533][ T10] [ 7495.884810][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7495.885513][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7495.885513][ T10] netdev_get_by_index+0x5e/0x80 [ 7495.885513][ T10] fib6_nh_init+0x3d8/0x1580 [ 7495.885513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7495.885513][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7495.885513][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7495.885513][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7495.885513][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7495.885513][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7495.885513][ T10] addrconf_dad_begin+0x310/0x670 [ 7495.885513][ T10] addrconf_dad_work+0x10b/0xab0 [ 7495.885513][ T10] process_one_work+0x84d/0x18a0 [ 7495.885513][ T10] worker_thread+0x587/0xd30 [ 7495.885513][ T10] kthread+0x28a/0x350 [ 7495.885513][ T10] ret_from_fork+0x31/0x70 [ 7495.885513][ T10] ret_from_fork_asm+0x1a/0x30 [ 7495.885513][ T10] [ 7495.887397][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7495.887397][ T10] netdev_get_by_index+0x5e/0x80 [ 7495.887397][ T10] fib6_nh_init+0x3d8/0x1580 [ 7495.887397][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7495.887397][ T10] ip6_route_add+0x1c/0x140 [ 7495.887397][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7495.887397][ T10] inet6_addr_add+0x4f8/0xa40 [ 7495.887397][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7495.887397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7495.887397][ T10] netlink_rcv_skb+0x130/0x360 [ 7495.887397][ T10] netlink_unicast+0x449/0x710 [ 7495.887397][ T10] netlink_sendmsg+0x723/0xbe0 [ 7495.887397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7495.887397][ T10] ___sys_sendmsg+0xee/0x170 [ 7495.887397][ T10] __sys_sendmsg+0xcd/0x170 [ 7495.887397][ T10] do_syscall_64+0xc6/0x1e0 [ 7495.887397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7495.887397][ T10] [ 7495.889364][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7495.889364][ T10] netdev_get_by_index+0x5e/0x80 [ 7495.889364][ T10] fib6_nh_init+0x3d8/0x1580 [ 7495.889364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7495.889364][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7495.889364][ T10] ipv6_add_addr+0x411/0x2000 [ 7495.889364][ T10] inet6_addr_add+0x30e/0xa40 [ 7495.889364][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7495.889364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7495.889364][ T10] netlink_rcv_skb+0x130/0x360 [ 7495.889364][ T10] netlink_unicast+0x449/0x710 [ 7495.889364][ T10] netlink_sendmsg+0x723/0xbe0 [ 7495.889364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7495.889364][ T10] ___sys_sendmsg+0xee/0x170 [ 7495.889364][ T10] __sys_sendmsg+0xcd/0x170 [ 7495.889364][ T10] do_syscall_64+0xc6/0x1e0 [ 7495.889364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7495.889364][ T10] [ 7495.891365][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7495.891365][ T10] netdev_get_by_index+0x5e/0x80 [ 7495.891365][ T10] fib6_nh_init+0x3d8/0x1580 [ 7495.891365][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7495.891365][ T10] ip6_route_add+0x1c/0x140 [ 7495.891365][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7495.891365][ T10] addrconf_add_dev+0xe2/0x170 [ 7495.891365][ T10] inet6_addr_add+0x12f/0xa40 [ 7495.891365][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7495.891365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7495.891365][ T10] netlink_rcv_skb+0x130/0x360 [ 7495.891365][ T10] netlink_unicast+0x449/0x710 [ 7495.891365][ T10] netlink_sendmsg+0x723/0xbe0 [ 7495.891365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7495.891365][ T10] ___sys_sendmsg+0xee/0x170 [ 7495.891365][ T10] __sys_sendmsg+0xcd/0x170 [ 7495.891365][ T10] do_syscall_64+0xc6/0x1e0 [ 7495.891365][ T10] [ 7495.893558][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7495.893558][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7495.893558][ T10] ipv6_find_idev+0x102/0x170 [ 7495.893558][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7495.893558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7495.893558][ T10] netlink_rcv_skb+0x130/0x360 [ 7495.893558][ T10] netlink_unicast+0x449/0x710 [ 7495.893558][ T10] netlink_sendmsg+0x723/0xbe0 [ 7495.893558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7495.893558][ T10] ___sys_sendmsg+0xee/0x170 [ 7495.893558][ T10] __sys_sendmsg+0xcd/0x170 [ 7495.893558][ T10] do_syscall_64+0xc6/0x1e0 [ 7495.893558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7495.893558][ T10] [ 7495.895200][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7495.895200][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7495.895200][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7495.895200][ T10] ipv6_find_idev+0x102/0x170 [ 7495.895200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7495.895200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7495.895200][ T10] netlink_rcv_skb+0x130/0x360 [ 7495.895200][ T10] netlink_unicast+0x449/0x710 [ 7495.895200][ T10] netlink_sendmsg+0x723/0xbe0 [ 7495.895200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7495.895200][ T10] ___sys_sendmsg+0xee/0x170 [ 7495.895200][ T10] __sys_sendmsg+0xcd/0x170 [ 7495.895200][ T10] do_syscall_64+0xc6/0x1e0 [ 7495.895200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7495.895200][ T10] [ 7499.177091][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7499.177824][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7499.177824][ T1167] dst_init+0x84/0x4a0 [ 7499.177824][ T1167] dst_alloc+0x97/0x150 [ 7499.177824][ T1167] ip6_dst_alloc+0x23/0x90 [ 7499.177824][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7499.177824][ T1167] ip6_pol_route+0x56f/0x840 [ 7499.177824][ T1167] fib6_rule_lookup+0x334/0x630 [ 7499.177824][ T1167] ip6_route_output_flags+0x259/0x480 [ 7499.177824][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7499.177824][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7499.177824][ T1167] netlink_rcv_skb+0x130/0x360 [ 7499.177824][ T1167] netlink_unicast+0x449/0x710 [ 7499.177824][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7499.177824][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7499.177824][ T1167] ___sys_sendmsg+0xee/0x170 [ 7499.177824][ T1167] __sys_sendmsg+0xcd/0x170 [ 7499.177824][ T1167] do_syscall_64+0xc6/0x1e0 [ 7499.177824][ T1167] [ 7499.181612][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7499.181612][ T1167] netdev_get_by_index+0x5e/0x80 [ 7499.181612][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7499.181612][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7499.181612][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7499.181612][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7499.181612][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7499.181612][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7499.181612][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7499.181612][ T1167] addrconf_dad_begin+0x310/0x670 [ 7499.181612][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7499.181612][ T1167] process_one_work+0x84d/0x18a0 [ 7499.181612][ T1167] worker_thread+0x587/0xd30 [ 7499.181612][ T1167] kthread+0x28a/0x350 [ 7499.181612][ T1167] ret_from_fork+0x31/0x70 [ 7499.181612][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7499.181612][ T1167] [ 7499.185195][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7499.185195][ T1167] netdev_get_by_index+0x5e/0x80 [ 7499.185195][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7499.185195][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7499.185195][ T1167] ip6_route_add+0x1c/0x140 [ 7499.185195][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7499.185195][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7499.185195][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7499.185195][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7499.185195][ T1167] netlink_rcv_skb+0x130/0x360 [ 7499.185195][ T1167] netlink_unicast+0x449/0x710 [ 7499.185195][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7499.185195][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7499.185195][ T1167] ___sys_sendmsg+0xee/0x170 [ 7499.185195][ T1167] __sys_sendmsg+0xcd/0x170 [ 7499.185195][ T1167] do_syscall_64+0xc6/0x1e0 [ 7499.185195][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7499.185195][ T1167] [ 7499.188825][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7499.188825][ T1167] netdev_get_by_index+0x5e/0x80 [ 7499.188825][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7499.188825][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7499.188825][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7499.188825][ T1167] ipv6_add_addr+0x411/0x2000 [ 7499.188825][ T1167] inet6_addr_add+0x30e/0xa40 [ 7499.188825][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7499.188825][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7499.188825][ T1167] netlink_rcv_skb+0x130/0x360 [ 7499.188825][ T1167] netlink_unicast+0x449/0x710 [ 7499.188825][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7499.188825][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7499.188825][ T1167] ___sys_sendmsg+0xee/0x170 [ 7499.188825][ T1167] __sys_sendmsg+0xcd/0x170 [ 7499.188825][ T1167] do_syscall_64+0xc6/0x1e0 [ 7499.188825][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7499.188825][ T1167] [ 7499.192727][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7499.192727][ T1167] netdev_get_by_index+0x5e/0x80 [ 7499.192727][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7499.192727][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7499.192727][ T1167] ip6_route_add+0x1c/0x140 [ 7499.192727][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7499.192727][ T1167] addrconf_add_dev+0xe2/0x170 [ 7499.192727][ T1167] inet6_addr_add+0x12f/0xa40 [ 7499.192727][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7499.192727][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7499.192727][ T1167] netlink_rcv_skb+0x130/0x360 [ 7499.192727][ T1167] netlink_unicast+0x449/0x710 [ 7499.192727][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7499.192727][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7499.192727][ T1167] ___sys_sendmsg+0xee/0x170 [ 7499.192727][ T1167] __sys_sendmsg+0xcd/0x170 [ 7499.192727][ T1167] do_syscall_64+0xc6/0x1e0 [ 7499.192727][ T1167] [ 7499.196512][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7499.196512][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7499.196512][ T1167] ipv6_find_idev+0x102/0x170 [ 7499.196512][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7499.196512][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7499.196512][ T1167] netlink_rcv_skb+0x130/0x360 [ 7499.196512][ T1167] netlink_unicast+0x449/0x710 [ 7499.196512][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7499.196512][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7499.196512][ T1167] ___sys_sendmsg+0xee/0x170 [ 7499.196512][ T1167] __sys_sendmsg+0xcd/0x170 [ 7499.196512][ T1167] do_syscall_64+0xc6/0x1e0 [ 7499.196512][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7499.196512][ T1167] [ 7499.199426][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7499.199426][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7499.199426][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7499.199426][ T1167] ipv6_find_idev+0x102/0x170 [ 7499.199426][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7499.199426][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7499.199426][ T1167] netlink_rcv_skb+0x130/0x360 [ 7499.199426][ T1167] netlink_unicast+0x449/0x710 [ 7499.199426][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7499.199426][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7499.199426][ T1167] ___sys_sendmsg+0xee/0x170 [ 7499.199426][ T1167] __sys_sendmsg+0xcd/0x170 [ 7499.199426][ T1167] do_syscall_64+0xc6/0x1e0 [ 7499.199426][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7499.199426][ T1167] [ 7506.145113][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7506.145559][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7506.145559][ T10] netdev_get_by_index+0x5e/0x80 [ 7506.145559][ T10] fib6_nh_init+0x3d8/0x1580 [ 7506.145559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7506.145559][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7506.145559][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7506.145559][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7506.145559][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7506.145559][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7506.145559][ T10] addrconf_dad_begin+0x310/0x670 [ 7506.145559][ T10] addrconf_dad_work+0x10b/0xab0 [ 7506.145559][ T10] process_one_work+0x84d/0x18a0 [ 7506.145559][ T10] worker_thread+0x587/0xd30 [ 7506.145559][ T10] kthread+0x28a/0x350 [ 7506.145559][ T10] ret_from_fork+0x31/0x70 [ 7506.145559][ T10] ret_from_fork_asm+0x1a/0x30 [ 7506.145559][ T10] [ 7506.147512][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7506.147512][ T10] netdev_get_by_index+0x5e/0x80 [ 7506.147512][ T10] fib6_nh_init+0x3d8/0x1580 [ 7506.147512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7506.147512][ T10] ip6_route_add+0x1c/0x140 [ 7506.147512][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7506.147512][ T10] inet6_addr_add+0x4f8/0xa40 [ 7506.147512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7506.147512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7506.147512][ T10] netlink_rcv_skb+0x130/0x360 [ 7506.147512][ T10] netlink_unicast+0x449/0x710 [ 7506.147512][ T10] netlink_sendmsg+0x723/0xbe0 [ 7506.147512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7506.147512][ T10] ___sys_sendmsg+0xee/0x170 [ 7506.147512][ T10] __sys_sendmsg+0xcd/0x170 [ 7506.147512][ T10] do_syscall_64+0xc6/0x1e0 [ 7506.147512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7506.147512][ T10] [ 7506.149502][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7506.149502][ T10] netdev_get_by_index+0x5e/0x80 [ 7506.149502][ T10] fib6_nh_init+0x3d8/0x1580 [ 7506.149502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7506.149502][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7506.149502][ T10] ipv6_add_addr+0x411/0x2000 [ 7506.149502][ T10] inet6_addr_add+0x30e/0xa40 [ 7506.149502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7506.149502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7506.149502][ T10] netlink_rcv_skb+0x130/0x360 [ 7506.149502][ T10] netlink_unicast+0x449/0x710 [ 7506.149502][ T10] netlink_sendmsg+0x723/0xbe0 [ 7506.149502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7506.149502][ T10] ___sys_sendmsg+0xee/0x170 [ 7506.149502][ T10] __sys_sendmsg+0xcd/0x170 [ 7506.149502][ T10] do_syscall_64+0xc6/0x1e0 [ 7506.149502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7506.149502][ T10] [ 7506.151496][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7506.151496][ T10] netdev_get_by_index+0x5e/0x80 [ 7506.151496][ T10] fib6_nh_init+0x3d8/0x1580 [ 7506.151496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7506.151496][ T10] ip6_route_add+0x1c/0x140 [ 7506.151496][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7506.151496][ T10] addrconf_add_dev+0xe2/0x170 [ 7506.151496][ T10] inet6_addr_add+0x12f/0xa40 [ 7506.151496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7506.151496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7506.151496][ T10] netlink_rcv_skb+0x130/0x360 [ 7506.151496][ T10] netlink_unicast+0x449/0x710 [ 7506.151496][ T10] netlink_sendmsg+0x723/0xbe0 [ 7506.151496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7506.151496][ T10] ___sys_sendmsg+0xee/0x170 [ 7506.151496][ T10] __sys_sendmsg+0xcd/0x170 [ 7506.151496][ T10] do_syscall_64+0xc6/0x1e0 [ 7506.151496][ T10] [ 7506.153453][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7506.153453][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7506.153453][ T10] ipv6_find_idev+0x102/0x170 [ 7506.153453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7506.153453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7506.153453][ T10] netlink_rcv_skb+0x130/0x360 [ 7506.153453][ T10] netlink_unicast+0x449/0x710 [ 7506.153453][ T10] netlink_sendmsg+0x723/0xbe0 [ 7506.153453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7506.153453][ T10] ___sys_sendmsg+0xee/0x170 [ 7506.153453][ T10] __sys_sendmsg+0xcd/0x170 [ 7506.153453][ T10] do_syscall_64+0xc6/0x1e0 [ 7506.153453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7506.153453][ T10] [ 7506.154976][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7506.154976][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7506.154976][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7506.154976][ T10] ipv6_find_idev+0x102/0x170 [ 7506.154976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7506.154976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7506.154976][ T10] netlink_rcv_skb+0x130/0x360 [ 7506.154976][ T10] netlink_unicast+0x449/0x710 [ 7506.154976][ T10] netlink_sendmsg+0x723/0xbe0 [ 7506.154976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7506.154976][ T10] ___sys_sendmsg+0xee/0x170 [ 7506.154976][ T10] __sys_sendmsg+0xcd/0x170 [ 7506.154976][ T10] do_syscall_64+0xc6/0x1e0 [ 7506.154976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7506.154976][ T10] [ 7506.156647][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7506.156891][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7506.156891][ T10] netdev_get_by_index+0x5e/0x80 [ 7506.156891][ T10] fib6_nh_init+0x3d8/0x1580 [ 7506.156891][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7506.156891][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7506.156891][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7506.156891][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7506.156891][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7506.156891][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7506.156891][ T10] addrconf_dad_begin+0x310/0x670 [ 7506.156891][ T10] addrconf_dad_work+0x10b/0xab0 [ 7506.156891][ T10] process_one_work+0x84d/0x18a0 [ 7506.156891][ T10] worker_thread+0x587/0xd30 [ 7506.156891][ T10] kthread+0x28a/0x350 [ 7506.156891][ T10] ret_from_fork+0x31/0x70 [ 7506.156891][ T10] ret_from_fork_asm+0x1a/0x30 [ 7506.156891][ T10] [ 7506.158926][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7506.158926][ T10] netdev_get_by_index+0x5e/0x80 [ 7506.158926][ T10] fib6_nh_init+0x3d8/0x1580 [ 7506.158926][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7506.158926][ T10] ip6_route_add+0x1c/0x140 [ 7506.158926][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7506.158926][ T10] inet6_addr_add+0x4f8/0xa40 [ 7506.158926][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7506.158926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7506.158926][ T10] netlink_rcv_skb+0x130/0x360 [ 7506.158926][ T10] netlink_unicast+0x449/0x710 [ 7506.158926][ T10] netlink_sendmsg+0x723/0xbe0 [ 7506.158926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7506.158926][ T10] ___sys_sendmsg+0xee/0x170 [ 7506.158926][ T10] __sys_sendmsg+0xcd/0x170 [ 7506.158926][ T10] do_syscall_64+0xc6/0x1e0 [ 7506.158926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7506.158926][ T10] [ 7506.160912][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7506.160912][ T10] netdev_get_by_index+0x5e/0x80 [ 7506.160912][ T10] fib6_nh_init+0x3d8/0x1580 [ 7506.160912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7506.160912][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7506.160912][ T10] ipv6_add_addr+0x411/0x2000 [ 7506.160912][ T10] inet6_addr_add+0x30e/0xa40 [ 7506.160912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7506.160912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7506.160912][ T10] netlink_rcv_skb+0x130/0x360 [ 7506.160912][ T10] netlink_unicast+0x449/0x710 [ 7506.160912][ T10] netlink_sendmsg+0x723/0xbe0 [ 7506.160912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7506.160912][ T10] ___sys_sendmsg+0xee/0x170 [ 7506.160912][ T10] __sys_sendmsg+0xcd/0x170 [ 7506.160912][ T10] do_syscall_64+0xc6/0x1e0 [ 7506.160912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7506.160912][ T10] [ 7506.162901][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7506.162901][ T10] netdev_get_by_index+0x5e/0x80 [ 7506.162901][ T10] fib6_nh_init+0x3d8/0x1580 [ 7506.162901][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7506.162901][ T10] ip6_route_add+0x1c/0x140 [ 7506.162901][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7506.162901][ T10] addrconf_add_dev+0xe2/0x170 [ 7506.162901][ T10] inet6_addr_add+0x12f/0xa40 [ 7506.162901][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7506.162901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7506.162901][ T10] netlink_rcv_skb+0x130/0x360 [ 7506.162901][ T10] netlink_unicast+0x449/0x710 [ 7506.162901][ T10] netlink_sendmsg+0x723/0xbe0 [ 7506.162901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7506.162901][ T10] ___sys_sendmsg+0xee/0x170 [ 7506.162901][ T10] __sys_sendmsg+0xcd/0x170 [ 7506.162901][ T10] do_syscall_64+0xc6/0x1e0 [ 7506.162901][ T10] [ 7506.164840][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7506.164840][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7506.164840][ T10] ipv6_find_idev+0x102/0x170 [ 7506.164840][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7506.164840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7506.164840][ T10] netlink_rcv_skb+0x130/0x360 [ 7506.164840][ T10] netlink_unicast+0x449/0x710 [ 7506.164840][ T10] netlink_sendmsg+0x723/0xbe0 [ 7506.164840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7506.164840][ T10] ___sys_sendmsg+0xee/0x170 [ 7506.164840][ T10] __sys_sendmsg+0xcd/0x170 [ 7506.164840][ T10] do_syscall_64+0xc6/0x1e0 [ 7506.164840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7506.164840][ T10] [ 7506.166378][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7506.166378][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7506.166378][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7506.166378][ T10] ipv6_find_idev+0x102/0x170 [ 7506.166378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7506.166378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7506.166378][ T10] netlink_rcv_skb+0x130/0x360 [ 7506.166378][ T10] netlink_unicast+0x449/0x710 [ 7506.166378][ T10] netlink_sendmsg+0x723/0xbe0 [ 7506.166378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7506.166378][ T10] ___sys_sendmsg+0xee/0x170 [ 7506.166378][ T10] __sys_sendmsg+0xcd/0x170 [ 7506.166378][ T10] do_syscall_64+0xc6/0x1e0 [ 7506.166378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7506.166378][ T10] [ 7506.168057][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7506.168295][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7506.168295][ T10] netdev_get_by_index+0x5e/0x80 [ 7506.168295][ T10] fib6_nh_init+0x3d8/0x1580 [ 7506.168295][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7506.168295][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7506.168295][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7506.168295][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7506.168295][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7506.168295][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7506.168295][ T10] addrconf_dad_begin+0x310/0x670 [ 7506.168295][ T10] addrconf_dad_work+0x10b/0xab0 [ 7506.168295][ T10] process_one_work+0x84d/0x18a0 [ 7506.168295][ T10] worker_thread+0x587/0xd30 [ 7506.168295][ T10] kthread+0x28a/0x350 [ 7506.168295][ T10] ret_from_fork+0x31/0x70 [ 7506.168295][ T10] ret_from_fork_asm+0x1a/0x30 [ 7506.168295][ T10] [ 7506.170188][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7506.170188][ T10] netdev_get_by_index+0x5e/0x80 [ 7506.170188][ T10] fib6_nh_init+0x3d8/0x1580 [ 7506.170188][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7506.170188][ T10] ip6_route_add+0x1c/0x140 [ 7506.170188][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7506.170188][ T10] inet6_addr_add+0x4f8/0xa40 [ 7506.170188][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7506.170188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7506.170188][ T10] netlink_rcv_skb+0x130/0x360 [ 7506.170188][ T10] netlink_unicast+0x449/0x710 [ 7506.170188][ T10] netlink_sendmsg+0x723/0xbe0 [ 7506.170188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7506.170188][ T10] ___sys_sendmsg+0xee/0x170 [ 7506.170188][ T10] __sys_sendmsg+0xcd/0x170 [ 7506.170188][ T10] do_syscall_64+0xc6/0x1e0 [ 7506.170188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7506.170188][ T10] [ 7506.172357][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7506.172357][ T10] netdev_get_by_index+0x5e/0x80 [ 7506.172357][ T10] fib6_nh_init+0x3d8/0x1580 [ 7506.172357][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7506.172357][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7506.172357][ T10] ipv6_add_addr+0x411/0x2000 [ 7506.172357][ T10] inet6_addr_add+0x30e/0xa40 [ 7506.172357][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7506.172357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7506.172357][ T10] netlink_rcv_skb+0x130/0x360 [ 7506.172357][ T10] netlink_unicast+0x449/0x710 [ 7506.172357][ T10] netlink_sendmsg+0x723/0xbe0 [ 7506.172357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7506.172357][ T10] ___sys_sendmsg+0xee/0x170 [ 7506.172357][ T10] __sys_sendmsg+0xcd/0x170 [ 7506.172357][ T10] do_syscall_64+0xc6/0x1e0 [ 7506.172357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7506.172357][ T10] [ 7506.174583][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7506.174583][ T10] netdev_get_by_index+0x5e/0x80 [ 7506.174583][ T10] fib6_nh_init+0x3d8/0x1580 [ 7506.174583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7506.174583][ T10] ip6_route_add+0x1c/0x140 [ 7506.174583][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7506.174583][ T10] addrconf_add_dev+0xe2/0x170 [ 7506.174583][ T10] inet6_addr_add+0x12f/0xa40 [ 7506.174583][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7506.174583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7506.174583][ T10] netlink_rcv_skb+0x130/0x360 [ 7506.174583][ T10] netlink_unicast+0x449/0x710 [ 7506.174583][ T10] netlink_sendmsg+0x723/0xbe0 [ 7506.174583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7506.174583][ T10] ___sys_sendmsg+0xee/0x170 [ 7506.174583][ T10] __sys_sendmsg+0xcd/0x170 [ 7506.174583][ T10] do_syscall_64+0xc6/0x1e0 [ 7506.174583][ T10] [ 7506.176745][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7506.176745][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7506.176745][ T10] ipv6_find_idev+0x102/0x170 [ 7506.176745][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7506.176745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7506.176745][ T10] netlink_rcv_skb+0x130/0x360 [ 7506.176745][ T10] netlink_unicast+0x449/0x710 [ 7506.176745][ T10] netlink_sendmsg+0x723/0xbe0 [ 7506.176745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7506.176745][ T10] ___sys_sendmsg+0xee/0x170 [ 7506.176745][ T10] __sys_sendmsg+0xcd/0x170 [ 7506.176745][ T10] do_syscall_64+0xc6/0x1e0 [ 7506.176745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7506.176745][ T10] [ 7506.178454][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7506.178454][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7506.178454][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7506.178454][ T10] ipv6_find_idev+0x102/0x170 [ 7506.178454][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7506.178454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7506.178454][ T10] netlink_rcv_skb+0x130/0x360 [ 7506.178454][ T10] netlink_unicast+0x449/0x710 [ 7506.178454][ T10] netlink_sendmsg+0x723/0xbe0 [ 7506.178454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7506.178454][ T10] ___sys_sendmsg+0xee/0x170 [ 7506.178454][ T10] __sys_sendmsg+0xcd/0x170 [ 7506.178454][ T10] do_syscall_64+0xc6/0x1e0 [ 7506.178454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7506.178454][ T10] [ 7506.180311][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7506.180544][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7506.180544][ T10] netdev_get_by_index+0x5e/0x80 [ 7506.180544][ T10] fib6_nh_init+0x3d8/0x1580 [ 7506.180544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7506.180544][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7506.180544][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7506.180544][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7506.180544][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7506.180544][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7506.180544][ T10] addrconf_dad_begin+0x310/0x670 [ 7506.180544][ T10] addrconf_dad_work+0x10b/0xab0 [ 7506.180544][ T10] process_one_work+0x84d/0x18a0 [ 7506.180544][ T10] worker_thread+0x587/0xd30 [ 7506.180544][ T10] kthread+0x28a/0x350 [ 7506.180544][ T10] ret_from_fork+0x31/0x70 [ 7506.180544][ T10] ret_from_fork_asm+0x1a/0x30 [ 7506.180544][ T10] [ 7506.182682][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7506.182682][ T10] netdev_get_by_index+0x5e/0x80 [ 7506.182682][ T10] fib6_nh_init+0x3d8/0x1580 [ 7506.182682][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7506.182682][ T10] ip6_route_add+0x1c/0x140 [ 7506.182682][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7506.182682][ T10] inet6_addr_add+0x4f8/0xa40 [ 7506.182682][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7506.182682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7506.182682][ T10] netlink_rcv_skb+0x130/0x360 [ 7506.182682][ T10] netlink_unicast+0x449/0x710 [ 7506.182682][ T10] netlink_sendmsg+0x723/0xbe0 [ 7506.182682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7506.182682][ T10] ___sys_sendmsg+0xee/0x170 [ 7506.182682][ T10] __sys_sendmsg+0xcd/0x170 [ 7506.182682][ T10] do_syscall_64+0xc6/0x1e0 [ 7506.182682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7506.182682][ T10] [ 7506.184861][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7506.184861][ T10] netdev_get_by_index+0x5e/0x80 [ 7506.184861][ T10] fib6_nh_init+0x3d8/0x1580 [ 7506.184861][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7506.184861][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7506.184861][ T10] ipv6_add_addr+0x411/0x2000 [ 7506.184861][ T10] inet6_addr_add+0x30e/0xa40 [ 7506.184861][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7506.184861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7506.184861][ T10] netlink_rcv_skb+0x130/0x360 [ 7506.184861][ T10] netlink_unicast+0x449/0x710 [ 7506.184861][ T10] netlink_sendmsg+0x723/0xbe0 [ 7506.184861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7506.184861][ T10] ___sys_sendmsg+0xee/0x170 [ 7506.184861][ T10] __sys_sendmsg+0xcd/0x170 [ 7506.184861][ T10] do_syscall_64+0xc6/0x1e0 [ 7506.184861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7506.184861][ T10] [ 7506.187109][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7506.187109][ T10] netdev_get_by_index+0x5e/0x80 [ 7506.187109][ T10] fib6_nh_init+0x3d8/0x1580 [ 7506.187109][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7506.187109][ T10] ip6_route_add+0x1c/0x140 [ 7506.187109][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7506.187109][ T10] addrconf_add_dev+0xe2/0x170 [ 7506.187109][ T10] inet6_addr_add+0x12f/0xa40 [ 7506.187109][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7506.187109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7506.187109][ T10] netlink_rcv_skb+0x130/0x360 [ 7506.187109][ T10] netlink_unicast+0x449/0x710 [ 7506.187109][ T10] netlink_sendmsg+0x723/0xbe0 [ 7506.187109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7506.187109][ T10] ___sys_sendmsg+0xee/0x170 [ 7506.187109][ T10] __sys_sendmsg+0xcd/0x170 [ 7506.187109][ T10] do_syscall_64+0xc6/0x1e0 [ 7506.187109][ T10] [ 7506.189174][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7506.189174][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7506.189174][ T10] ipv6_find_idev+0x102/0x170 [ 7506.189174][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7506.189174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7506.189174][ T10] netlink_rcv_skb+0x130/0x360 [ 7506.189174][ T10] netlink_unicast+0x449/0x710 [ 7506.189174][ T10] netlink_sendmsg+0x723/0xbe0 [ 7506.189174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7506.189174][ T10] ___sys_sendmsg+0xee/0x170 [ 7506.189174][ T10] __sys_sendmsg+0xcd/0x170 [ 7506.189174][ T10] do_syscall_64+0xc6/0x1e0 [ 7506.189174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7506.189174][ T10] [ 7506.190884][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7506.190884][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7506.190884][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7506.190884][ T10] ipv6_find_idev+0x102/0x170 [ 7506.190884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7506.190884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7506.190884][ T10] netlink_rcv_skb+0x130/0x360 [ 7506.190884][ T10] netlink_unicast+0x449/0x710 [ 7506.190884][ T10] netlink_sendmsg+0x723/0xbe0 [ 7506.190884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7506.190884][ T10] ___sys_sendmsg+0xee/0x170 [ 7506.190884][ T10] __sys_sendmsg+0xcd/0x170 [ 7506.190884][ T10] do_syscall_64+0xc6/0x1e0 [ 7506.190884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7506.190884][ T10] [ 7509.449156][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7509.449677][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7509.449677][ T1167] dst_init+0x84/0x4a0 [ 7509.449677][ T1167] dst_alloc+0x97/0x150 [ 7509.449677][ T1167] ip6_dst_alloc+0x23/0x90 [ 7509.449677][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7509.449677][ T1167] ip6_pol_route+0x56f/0x840 [ 7509.449677][ T1167] fib6_rule_lookup+0x334/0x630 [ 7509.449677][ T1167] ip6_route_output_flags+0x259/0x480 [ 7509.449677][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7509.449677][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7509.449677][ T1167] netlink_rcv_skb+0x130/0x360 [ 7509.449677][ T1167] netlink_unicast+0x449/0x710 [ 7509.449677][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7509.449677][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7509.449677][ T1167] ___sys_sendmsg+0xee/0x170 [ 7509.449677][ T1167] __sys_sendmsg+0xcd/0x170 [ 7509.449677][ T1167] do_syscall_64+0xc6/0x1e0 [ 7509.449677][ T1167] [ 7509.451887][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7509.451887][ T1167] netdev_get_by_index+0x5e/0x80 [ 7509.451887][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7509.451887][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7509.451887][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7509.451887][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7509.451887][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7509.451887][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7509.451887][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7509.451887][ T1167] addrconf_dad_begin+0x310/0x670 [ 7509.451887][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7509.451887][ T1167] process_one_work+0x84d/0x18a0 [ 7509.451887][ T1167] worker_thread+0x587/0xd30 [ 7509.451887][ T1167] kthread+0x28a/0x350 [ 7509.451887][ T1167] ret_from_fork+0x31/0x70 [ 7509.451887][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7509.451887][ T1167] [ 7509.454062][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7509.454062][ T1167] netdev_get_by_index+0x5e/0x80 [ 7509.454062][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7509.454062][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7509.454062][ T1167] ip6_route_add+0x1c/0x140 [ 7509.454062][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7509.454062][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7509.454062][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7509.454062][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7509.454062][ T1167] netlink_rcv_skb+0x130/0x360 [ 7509.454062][ T1167] netlink_unicast+0x449/0x710 [ 7509.454062][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7509.454062][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7509.454062][ T1167] ___sys_sendmsg+0xee/0x170 [ 7509.454062][ T1167] __sys_sendmsg+0xcd/0x170 [ 7509.454062][ T1167] do_syscall_64+0xc6/0x1e0 [ 7509.454062][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7509.454062][ T1167] [ 7509.456310][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7509.456310][ T1167] netdev_get_by_index+0x5e/0x80 [ 7509.456310][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7509.456310][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7509.456310][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7509.456310][ T1167] ipv6_add_addr+0x411/0x2000 [ 7509.456310][ T1167] inet6_addr_add+0x30e/0xa40 [ 7509.456310][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7509.456310][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7509.456310][ T1167] netlink_rcv_skb+0x130/0x360 [ 7509.456310][ T1167] netlink_unicast+0x449/0x710 [ 7509.456310][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7509.456310][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7509.456310][ T1167] ___sys_sendmsg+0xee/0x170 [ 7509.456310][ T1167] __sys_sendmsg+0xcd/0x170 [ 7509.456310][ T1167] do_syscall_64+0xc6/0x1e0 [ 7509.456310][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7509.456310][ T1167] [ 7509.458570][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7509.458570][ T1167] netdev_get_by_index+0x5e/0x80 [ 7509.458570][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7509.458570][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7509.458570][ T1167] ip6_route_add+0x1c/0x140 [ 7509.458570][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7509.458570][ T1167] addrconf_add_dev+0xe2/0x170 [ 7509.458570][ T1167] inet6_addr_add+0x12f/0xa40 [ 7509.458570][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7509.458570][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7509.458570][ T1167] netlink_rcv_skb+0x130/0x360 [ 7509.458570][ T1167] netlink_unicast+0x449/0x710 [ 7509.458570][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7509.458570][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7509.458570][ T1167] ___sys_sendmsg+0xee/0x170 [ 7509.458570][ T1167] __sys_sendmsg+0xcd/0x170 [ 7509.458570][ T1167] do_syscall_64+0xc6/0x1e0 [ 7509.458570][ T1167] [ 7509.460784][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7509.460784][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7509.460784][ T1167] ipv6_find_idev+0x102/0x170 [ 7509.460784][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7509.460784][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7509.460784][ T1167] netlink_rcv_skb+0x130/0x360 [ 7509.460784][ T1167] netlink_unicast+0x449/0x710 [ 7509.460784][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7509.460784][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7509.460784][ T1167] ___sys_sendmsg+0xee/0x170 [ 7509.460784][ T1167] __sys_sendmsg+0xcd/0x170 [ 7509.460784][ T1167] do_syscall_64+0xc6/0x1e0 [ 7509.460784][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7509.460784][ T1167] [ 7509.462534][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7509.462534][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7509.462534][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7509.462534][ T1167] ipv6_find_idev+0x102/0x170 [ 7509.462534][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7509.462534][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7509.462534][ T1167] netlink_rcv_skb+0x130/0x360 [ 7509.462534][ T1167] netlink_unicast+0x449/0x710 [ 7509.462534][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7509.462534][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7509.462534][ T1167] ___sys_sendmsg+0xee/0x170 [ 7509.462534][ T1167] __sys_sendmsg+0xcd/0x170 [ 7509.462534][ T1167] do_syscall_64+0xc6/0x1e0 [ 7509.462534][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7509.462534][ T1167] [ 7516.441108][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7516.441525][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7516.441525][ T10] netdev_get_by_index+0x5e/0x80 [ 7516.441525][ T10] fib6_nh_init+0x3d8/0x1580 [ 7516.441525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7516.441525][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7516.441525][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7516.441525][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7516.441525][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7516.441525][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7516.441525][ T10] addrconf_dad_begin+0x310/0x670 [ 7516.441525][ T10] addrconf_dad_work+0x10b/0xab0 [ 7516.441525][ T10] process_one_work+0x84d/0x18a0 [ 7516.441525][ T10] worker_thread+0x587/0xd30 [ 7516.441525][ T10] kthread+0x28a/0x350 [ 7516.441525][ T10] ret_from_fork+0x31/0x70 [ 7516.441525][ T10] ret_from_fork_asm+0x1a/0x30 [ 7516.441525][ T10] [ 7516.443472][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7516.443472][ T10] netdev_get_by_index+0x5e/0x80 [ 7516.443472][ T10] fib6_nh_init+0x3d8/0x1580 [ 7516.443472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7516.443472][ T10] ip6_route_add+0x1c/0x140 [ 7516.443472][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7516.443472][ T10] inet6_addr_add+0x4f8/0xa40 [ 7516.443472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7516.443472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7516.443472][ T10] netlink_rcv_skb+0x130/0x360 [ 7516.443472][ T10] netlink_unicast+0x449/0x710 [ 7516.443472][ T10] netlink_sendmsg+0x723/0xbe0 [ 7516.443472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7516.443472][ T10] ___sys_sendmsg+0xee/0x170 [ 7516.443472][ T10] __sys_sendmsg+0xcd/0x170 [ 7516.443472][ T10] do_syscall_64+0xc6/0x1e0 [ 7516.443472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7516.443472][ T10] [ 7516.445457][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7516.445457][ T10] netdev_get_by_index+0x5e/0x80 [ 7516.445457][ T10] fib6_nh_init+0x3d8/0x1580 [ 7516.445457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7516.445457][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7516.445457][ T10] ipv6_add_addr+0x411/0x2000 [ 7516.445457][ T10] inet6_addr_add+0x30e/0xa40 [ 7516.445457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7516.445457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7516.445457][ T10] netlink_rcv_skb+0x130/0x360 [ 7516.445457][ T10] netlink_unicast+0x449/0x710 [ 7516.445457][ T10] netlink_sendmsg+0x723/0xbe0 [ 7516.445457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7516.445457][ T10] ___sys_sendmsg+0xee/0x170 [ 7516.445457][ T10] __sys_sendmsg+0xcd/0x170 [ 7516.445457][ T10] do_syscall_64+0xc6/0x1e0 [ 7516.445457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7516.445457][ T10] [ 7516.447444][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7516.447444][ T10] netdev_get_by_index+0x5e/0x80 [ 7516.447444][ T10] fib6_nh_init+0x3d8/0x1580 [ 7516.447444][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7516.447444][ T10] ip6_route_add+0x1c/0x140 [ 7516.447444][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7516.447444][ T10] addrconf_add_dev+0xe2/0x170 [ 7516.447444][ T10] inet6_addr_add+0x12f/0xa40 [ 7516.447444][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7516.447444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7516.447444][ T10] netlink_rcv_skb+0x130/0x360 [ 7516.447444][ T10] netlink_unicast+0x449/0x710 [ 7516.447444][ T10] netlink_sendmsg+0x723/0xbe0 [ 7516.447444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7516.447444][ T10] ___sys_sendmsg+0xee/0x170 [ 7516.447444][ T10] __sys_sendmsg+0xcd/0x170 [ 7516.447444][ T10] do_syscall_64+0xc6/0x1e0 [ 7516.447444][ T10] [ 7516.449395][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7516.449395][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7516.449395][ T10] ipv6_find_idev+0x102/0x170 [ 7516.449395][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7516.449395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7516.449395][ T10] netlink_rcv_skb+0x130/0x360 [ 7516.449395][ T10] netlink_unicast+0x449/0x710 [ 7516.449395][ T10] netlink_sendmsg+0x723/0xbe0 [ 7516.449395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7516.449395][ T10] ___sys_sendmsg+0xee/0x170 [ 7516.449395][ T10] __sys_sendmsg+0xcd/0x170 [ 7516.449395][ T10] do_syscall_64+0xc6/0x1e0 [ 7516.449395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7516.449395][ T10] [ 7516.450933][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7516.450933][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7516.450933][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7516.450933][ T10] ipv6_find_idev+0x102/0x170 [ 7516.450933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7516.450933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7516.450933][ T10] netlink_rcv_skb+0x130/0x360 [ 7516.450933][ T10] netlink_unicast+0x449/0x710 [ 7516.450933][ T10] netlink_sendmsg+0x723/0xbe0 [ 7516.450933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7516.450933][ T10] ___sys_sendmsg+0xee/0x170 [ 7516.450933][ T10] __sys_sendmsg+0xcd/0x170 [ 7516.450933][ T10] do_syscall_64+0xc6/0x1e0 [ 7516.450933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7516.450933][ T10] [ 7516.452611][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7516.452856][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7516.452856][ T10] netdev_get_by_index+0x5e/0x80 [ 7516.452856][ T10] fib6_nh_init+0x3d8/0x1580 [ 7516.452856][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7516.452856][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7516.452856][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7516.452856][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7516.452856][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7516.452856][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7516.452856][ T10] addrconf_dad_begin+0x310/0x670 [ 7516.452856][ T10] addrconf_dad_work+0x10b/0xab0 [ 7516.452856][ T10] process_one_work+0x84d/0x18a0 [ 7516.452856][ T10] worker_thread+0x587/0xd30 [ 7516.452856][ T10] kthread+0x28a/0x350 [ 7516.452856][ T10] ret_from_fork+0x31/0x70 [ 7516.452856][ T10] ret_from_fork_asm+0x1a/0x30 [ 7516.452856][ T10] [ 7516.454748][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7516.454748][ T10] netdev_get_by_index+0x5e/0x80 [ 7516.454748][ T10] fib6_nh_init+0x3d8/0x1580 [ 7516.454748][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7516.454748][ T10] ip6_route_add+0x1c/0x140 [ 7516.454748][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7516.454748][ T10] inet6_addr_add+0x4f8/0xa40 [ 7516.454748][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7516.454748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7516.454748][ T10] netlink_rcv_skb+0x130/0x360 [ 7516.454748][ T10] netlink_unicast+0x449/0x710 [ 7516.454748][ T10] netlink_sendmsg+0x723/0xbe0 [ 7516.454748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7516.454748][ T10] ___sys_sendmsg+0xee/0x170 [ 7516.454748][ T10] __sys_sendmsg+0xcd/0x170 [ 7516.454748][ T10] do_syscall_64+0xc6/0x1e0 [ 7516.454748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7516.454748][ T10] [ 7516.456725][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7516.456725][ T10] netdev_get_by_index+0x5e/0x80 [ 7516.456725][ T10] fib6_nh_init+0x3d8/0x1580 [ 7516.456725][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7516.456725][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7516.456725][ T10] ipv6_add_addr+0x411/0x2000 [ 7516.456725][ T10] inet6_addr_add+0x30e/0xa40 [ 7516.456725][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7516.456725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7516.456725][ T10] netlink_rcv_skb+0x130/0x360 [ 7516.456725][ T10] netlink_unicast+0x449/0x710 [ 7516.456725][ T10] netlink_sendmsg+0x723/0xbe0 [ 7516.456725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7516.456725][ T10] ___sys_sendmsg+0xee/0x170 [ 7516.456725][ T10] __sys_sendmsg+0xcd/0x170 [ 7516.456725][ T10] do_syscall_64+0xc6/0x1e0 [ 7516.456725][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7516.456725][ T10] [ 7516.458700][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7516.458700][ T10] netdev_get_by_index+0x5e/0x80 [ 7516.458700][ T10] fib6_nh_init+0x3d8/0x1580 [ 7516.458700][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7516.458700][ T10] ip6_route_add+0x1c/0x140 [ 7516.458700][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7516.458700][ T10] addrconf_add_dev+0xe2/0x170 [ 7516.458700][ T10] inet6_addr_add+0x12f/0xa40 [ 7516.458700][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7516.458700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7516.458700][ T10] netlink_rcv_skb+0x130/0x360 [ 7516.458700][ T10] netlink_unicast+0x449/0x710 [ 7516.458700][ T10] netlink_sendmsg+0x723/0xbe0 [ 7516.458700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7516.458700][ T10] ___sys_sendmsg+0xee/0x170 [ 7516.458700][ T10] __sys_sendmsg+0xcd/0x170 [ 7516.458700][ T10] do_syscall_64+0xc6/0x1e0 [ 7516.458700][ T10] [ 7516.460641][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7516.460641][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7516.460641][ T10] ipv6_find_idev+0x102/0x170 [ 7516.460641][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7516.460641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7516.460641][ T10] netlink_rcv_skb+0x130/0x360 [ 7516.460641][ T10] netlink_unicast+0x449/0x710 [ 7516.460641][ T10] netlink_sendmsg+0x723/0xbe0 [ 7516.460641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7516.460641][ T10] ___sys_sendmsg+0xee/0x170 [ 7516.460641][ T10] __sys_sendmsg+0xcd/0x170 [ 7516.460641][ T10] do_syscall_64+0xc6/0x1e0 [ 7516.460641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7516.460641][ T10] [ 7516.462164][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7516.462164][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7516.462164][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7516.462164][ T10] ipv6_find_idev+0x102/0x170 [ 7516.462164][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7516.462164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7516.462164][ T10] netlink_rcv_skb+0x130/0x360 [ 7516.462164][ T10] netlink_unicast+0x449/0x710 [ 7516.462164][ T10] netlink_sendmsg+0x723/0xbe0 [ 7516.462164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7516.462164][ T10] ___sys_sendmsg+0xee/0x170 [ 7516.462164][ T10] __sys_sendmsg+0xcd/0x170 [ 7516.462164][ T10] do_syscall_64+0xc6/0x1e0 [ 7516.462164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7516.462164][ T10] [ 7516.463830][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7516.464088][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7516.464088][ T10] netdev_get_by_index+0x5e/0x80 [ 7516.464088][ T10] fib6_nh_init+0x3d8/0x1580 [ 7516.464088][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7516.464088][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7516.464088][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7516.464088][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7516.464088][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7516.464088][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7516.464088][ T10] addrconf_dad_begin+0x310/0x670 [ 7516.464088][ T10] addrconf_dad_work+0x10b/0xab0 [ 7516.464088][ T10] process_one_work+0x84d/0x18a0 [ 7516.464088][ T10] worker_thread+0x587/0xd30 [ 7516.464088][ T10] kthread+0x28a/0x350 [ 7516.464088][ T10] ret_from_fork+0x31/0x70 [ 7516.464088][ T10] ret_from_fork_asm+0x1a/0x30 [ 7516.464088][ T10] [ 7516.465981][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7516.465981][ T10] netdev_get_by_index+0x5e/0x80 [ 7516.465981][ T10] fib6_nh_init+0x3d8/0x1580 [ 7516.465981][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7516.465981][ T10] ip6_route_add+0x1c/0x140 [ 7516.465981][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7516.465981][ T10] inet6_addr_add+0x4f8/0xa40 [ 7516.465981][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7516.465981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7516.465981][ T10] netlink_rcv_skb+0x130/0x360 [ 7516.465981][ T10] netlink_unicast+0x449/0x710 [ 7516.465981][ T10] netlink_sendmsg+0x723/0xbe0 [ 7516.465981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7516.465981][ T10] ___sys_sendmsg+0xee/0x170 [ 7516.465981][ T10] __sys_sendmsg+0xcd/0x170 [ 7516.465981][ T10] do_syscall_64+0xc6/0x1e0 [ 7516.465981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7516.465981][ T10] [ 7516.468235][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7516.468235][ T10] netdev_get_by_index+0x5e/0x80 [ 7516.468235][ T10] fib6_nh_init+0x3d8/0x1580 [ 7516.468235][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7516.468235][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7516.468235][ T10] ipv6_add_addr+0x411/0x2000 [ 7516.468235][ T10] inet6_addr_add+0x30e/0xa40 [ 7516.468235][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7516.468235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7516.468235][ T10] netlink_rcv_skb+0x130/0x360 [ 7516.468235][ T10] netlink_unicast+0x449/0x710 [ 7516.468235][ T10] netlink_sendmsg+0x723/0xbe0 [ 7516.468235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7516.468235][ T10] ___sys_sendmsg+0xee/0x170 [ 7516.468235][ T10] __sys_sendmsg+0xcd/0x170 [ 7516.468235][ T10] do_syscall_64+0xc6/0x1e0 [ 7516.468235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7516.468235][ T10] [ 7516.470333][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7516.470333][ T10] netdev_get_by_index+0x5e/0x80 [ 7516.470333][ T10] fib6_nh_init+0x3d8/0x1580 [ 7516.470333][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7516.470333][ T10] ip6_route_add+0x1c/0x140 [ 7516.470333][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7516.470333][ T10] addrconf_add_dev+0xe2/0x170 [ 7516.470333][ T10] inet6_addr_add+0x12f/0xa40 [ 7516.470333][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7516.470333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7516.470333][ T10] netlink_rcv_skb+0x130/0x360 [ 7516.470333][ T10] netlink_unicast+0x449/0x710 [ 7516.470333][ T10] netlink_sendmsg+0x723/0xbe0 [ 7516.470333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7516.470333][ T10] ___sys_sendmsg+0xee/0x170 [ 7516.470333][ T10] __sys_sendmsg+0xcd/0x170 [ 7516.470333][ T10] do_syscall_64+0xc6/0x1e0 [ 7516.470333][ T10] [ 7516.472536][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7516.472536][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7516.472536][ T10] ipv6_find_idev+0x102/0x170 [ 7516.472536][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7516.472536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7516.472536][ T10] netlink_rcv_skb+0x130/0x360 [ 7516.472536][ T10] netlink_unicast+0x449/0x710 [ 7516.472536][ T10] netlink_sendmsg+0x723/0xbe0 [ 7516.472536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7516.472536][ T10] ___sys_sendmsg+0xee/0x170 [ 7516.472536][ T10] __sys_sendmsg+0xcd/0x170 [ 7516.472536][ T10] do_syscall_64+0xc6/0x1e0 [ 7516.472536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7516.472536][ T10] [ 7516.474249][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7516.474249][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7516.474249][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7516.474249][ T10] ipv6_find_idev+0x102/0x170 [ 7516.474249][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7516.474249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7516.474249][ T10] netlink_rcv_skb+0x130/0x360 [ 7516.474249][ T10] netlink_unicast+0x449/0x710 [ 7516.474249][ T10] netlink_sendmsg+0x723/0xbe0 [ 7516.474249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7516.474249][ T10] ___sys_sendmsg+0xee/0x170 [ 7516.474249][ T10] __sys_sendmsg+0xcd/0x170 [ 7516.474249][ T10] do_syscall_64+0xc6/0x1e0 [ 7516.474249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7516.474249][ T10] [ 7516.476164][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7516.476402][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7516.476402][ T10] netdev_get_by_index+0x5e/0x80 [ 7516.476402][ T10] fib6_nh_init+0x3d8/0x1580 [ 7516.476402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7516.476402][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7516.476402][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7516.476402][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7516.476402][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7516.476402][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7516.476402][ T10] addrconf_dad_begin+0x310/0x670 [ 7516.476402][ T10] addrconf_dad_work+0x10b/0xab0 [ 7516.476402][ T10] process_one_work+0x84d/0x18a0 [ 7516.476402][ T10] worker_thread+0x587/0xd30 [ 7516.476402][ T10] kthread+0x28a/0x350 [ 7516.476402][ T10] ret_from_fork+0x31/0x70 [ 7516.476402][ T10] ret_from_fork_asm+0x1a/0x30 [ 7516.476402][ T10] [ 7516.478482][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7516.478482][ T10] netdev_get_by_index+0x5e/0x80 [ 7516.478482][ T10] fib6_nh_init+0x3d8/0x1580 [ 7516.478482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7516.478482][ T10] ip6_route_add+0x1c/0x140 [ 7516.478482][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7516.478482][ T10] inet6_addr_add+0x4f8/0xa40 [ 7516.478482][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7516.478482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7516.478482][ T10] netlink_rcv_skb+0x130/0x360 [ 7516.478482][ T10] netlink_unicast+0x449/0x710 [ 7516.478482][ T10] netlink_sendmsg+0x723/0xbe0 [ 7516.478482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7516.478482][ T10] ___sys_sendmsg+0xee/0x170 [ 7516.478482][ T10] __sys_sendmsg+0xcd/0x170 [ 7516.478482][ T10] do_syscall_64+0xc6/0x1e0 [ 7516.478482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7516.478482][ T10] [ 7516.480693][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7516.480693][ T10] netdev_get_by_index+0x5e/0x80 [ 7516.480693][ T10] fib6_nh_init+0x3d8/0x1580 [ 7516.480693][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7516.480693][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7516.480693][ T10] ipv6_add_addr+0x411/0x2000 [ 7516.480693][ T10] inet6_addr_add+0x30e/0xa40 [ 7516.480693][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7516.480693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7516.480693][ T10] netlink_rcv_skb+0x130/0x360 [ 7516.480693][ T10] netlink_unicast+0x449/0x710 [ 7516.480693][ T10] netlink_sendmsg+0x723/0xbe0 [ 7516.480693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7516.480693][ T10] ___sys_sendmsg+0xee/0x170 [ 7516.480693][ T10] __sys_sendmsg+0xcd/0x170 [ 7516.480693][ T10] do_syscall_64+0xc6/0x1e0 [ 7516.480693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7516.480693][ T10] [ 7516.482917][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7516.482917][ T10] netdev_get_by_index+0x5e/0x80 [ 7516.482917][ T10] fib6_nh_init+0x3d8/0x1580 [ 7516.482917][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7516.482917][ T10] ip6_route_add+0x1c/0x140 [ 7516.482917][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7516.482917][ T10] addrconf_add_dev+0xe2/0x170 [ 7516.482917][ T10] inet6_addr_add+0x12f/0xa40 [ 7516.482917][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7516.482917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7516.482917][ T10] netlink_rcv_skb+0x130/0x360 [ 7516.482917][ T10] netlink_unicast+0x449/0x710 [ 7516.482917][ T10] netlink_sendmsg+0x723/0xbe0 [ 7516.482917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7516.482917][ T10] ___sys_sendmsg+0xee/0x170 [ 7516.482917][ T10] __sys_sendmsg+0xcd/0x170 [ 7516.482917][ T10] do_syscall_64+0xc6/0x1e0 [ 7516.482917][ T10] [ 7516.485170][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7516.485170][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7516.485170][ T10] ipv6_find_idev+0x102/0x170 [ 7516.485170][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7516.485170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7516.485170][ T10] netlink_rcv_skb+0x130/0x360 [ 7516.485170][ T10] netlink_unicast+0x449/0x710 [ 7516.485170][ T10] netlink_sendmsg+0x723/0xbe0 [ 7516.485170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7516.485170][ T10] ___sys_sendmsg+0xee/0x170 [ 7516.485170][ T10] __sys_sendmsg+0xcd/0x170 [ 7516.485170][ T10] do_syscall_64+0xc6/0x1e0 [ 7516.485170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7516.485170][ T10] [ 7516.486876][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7516.486876][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7516.486876][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7516.486876][ T10] ipv6_find_idev+0x102/0x170 [ 7516.486876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7516.486876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7516.486876][ T10] netlink_rcv_skb+0x130/0x360 [ 7516.486876][ T10] netlink_unicast+0x449/0x710 [ 7516.486876][ T10] netlink_sendmsg+0x723/0xbe0 [ 7516.486876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7516.486876][ T10] ___sys_sendmsg+0xee/0x170 [ 7516.486876][ T10] __sys_sendmsg+0xcd/0x170 [ 7516.486876][ T10] do_syscall_64+0xc6/0x1e0 [ 7516.486876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7516.486876][ T10] [ 7519.713117][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7519.713614][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7519.713614][ T1167] dst_init+0x84/0x4a0 [ 7519.713614][ T1167] dst_alloc+0x97/0x150 [ 7519.713614][ T1167] ip6_dst_alloc+0x23/0x90 [ 7519.713614][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7519.713614][ T1167] ip6_pol_route+0x56f/0x840 [ 7519.713614][ T1167] fib6_rule_lookup+0x334/0x630 [ 7519.713614][ T1167] ip6_route_output_flags+0x259/0x480 [ 7519.713614][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7519.713614][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7519.713614][ T1167] netlink_rcv_skb+0x130/0x360 [ 7519.713614][ T1167] netlink_unicast+0x449/0x710 [ 7519.713614][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7519.713614][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7519.713614][ T1167] ___sys_sendmsg+0xee/0x170 [ 7519.713614][ T1167] __sys_sendmsg+0xcd/0x170 [ 7519.713614][ T1167] do_syscall_64+0xc6/0x1e0 [ 7519.713614][ T1167] [ 7519.715836][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7519.715836][ T1167] netdev_get_by_index+0x5e/0x80 [ 7519.715836][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7519.715836][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7519.715836][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7519.715836][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7519.715836][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7519.715836][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7519.715836][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7519.715836][ T1167] addrconf_dad_begin+0x310/0x670 [ 7519.715836][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7519.715836][ T1167] process_one_work+0x84d/0x18a0 [ 7519.715836][ T1167] worker_thread+0x587/0xd30 [ 7519.715836][ T1167] kthread+0x28a/0x350 [ 7519.715836][ T1167] ret_from_fork+0x31/0x70 [ 7519.715836][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7519.715836][ T1167] [ 7519.718292][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7519.718292][ T1167] netdev_get_by_index+0x5e/0x80 [ 7519.718292][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7519.718292][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7519.718292][ T1167] ip6_route_add+0x1c/0x140 [ 7519.718292][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7519.718292][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7519.718292][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7519.718292][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7519.718292][ T1167] netlink_rcv_skb+0x130/0x360 [ 7519.718292][ T1167] netlink_unicast+0x449/0x710 [ 7519.718292][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7519.718292][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7519.718292][ T1167] ___sys_sendmsg+0xee/0x170 [ 7519.718292][ T1167] __sys_sendmsg+0xcd/0x170 [ 7519.718292][ T1167] do_syscall_64+0xc6/0x1e0 [ 7519.718292][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7519.718292][ T1167] [ 7519.721610][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7519.721610][ T1167] netdev_get_by_index+0x5e/0x80 [ 7519.721610][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7519.721610][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7519.721610][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7519.721610][ T1167] ipv6_add_addr+0x411/0x2000 [ 7519.721610][ T1167] inet6_addr_add+0x30e/0xa40 [ 7519.721610][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7519.721610][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7519.721610][ T1167] netlink_rcv_skb+0x130/0x360 [ 7519.721610][ T1167] netlink_unicast+0x449/0x710 [ 7519.721610][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7519.721610][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7519.721610][ T1167] ___sys_sendmsg+0xee/0x170 [ 7519.721610][ T1167] __sys_sendmsg+0xcd/0x170 [ 7519.721610][ T1167] do_syscall_64+0xc6/0x1e0 [ 7519.721610][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7519.721610][ T1167] [ 7519.723936][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7519.723936][ T1167] netdev_get_by_index+0x5e/0x80 [ 7519.723936][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7519.723936][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7519.723936][ T1167] ip6_route_add+0x1c/0x140 [ 7519.723936][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7519.723936][ T1167] addrconf_add_dev+0xe2/0x170 [ 7519.723936][ T1167] inet6_addr_add+0x12f/0xa40 [ 7519.723936][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7519.723936][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7519.723936][ T1167] netlink_rcv_skb+0x130/0x360 [ 7519.723936][ T1167] netlink_unicast+0x449/0x710 [ 7519.723936][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7519.723936][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7519.723936][ T1167] ___sys_sendmsg+0xee/0x170 [ 7519.723936][ T1167] __sys_sendmsg+0xcd/0x170 [ 7519.723936][ T1167] do_syscall_64+0xc6/0x1e0 [ 7519.723936][ T1167] [ 7519.726183][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7519.726183][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7519.726183][ T1167] ipv6_find_idev+0x102/0x170 [ 7519.726183][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7519.726183][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7519.726183][ T1167] netlink_rcv_skb+0x130/0x360 [ 7519.726183][ T1167] netlink_unicast+0x449/0x710 [ 7519.726183][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7519.726183][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7519.726183][ T1167] ___sys_sendmsg+0xee/0x170 [ 7519.726183][ T1167] __sys_sendmsg+0xcd/0x170 [ 7519.726183][ T1167] do_syscall_64+0xc6/0x1e0 [ 7519.726183][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7519.726183][ T1167] [ 7519.727950][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7519.727950][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7519.727950][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7519.727950][ T1167] ipv6_find_idev+0x102/0x170 [ 7519.727950][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7519.727950][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7519.727950][ T1167] netlink_rcv_skb+0x130/0x360 [ 7519.727950][ T1167] netlink_unicast+0x449/0x710 [ 7519.727950][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7519.727950][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7519.727950][ T1167] ___sys_sendmsg+0xee/0x170 [ 7519.727950][ T1167] __sys_sendmsg+0xcd/0x170 [ 7519.727950][ T1167] do_syscall_64+0xc6/0x1e0 [ 7519.727950][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7519.727950][ T1167] [ 7526.737050][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7526.737482][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7526.737482][ T10] netdev_get_by_index+0x5e/0x80 [ 7526.737482][ T10] fib6_nh_init+0x3d8/0x1580 [ 7526.737482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7526.737482][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7526.737482][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7526.737482][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7526.737482][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7526.737482][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7526.737482][ T10] addrconf_dad_begin+0x310/0x670 [ 7526.737482][ T10] addrconf_dad_work+0x10b/0xab0 [ 7526.737482][ T10] process_one_work+0x84d/0x18a0 [ 7526.737482][ T10] worker_thread+0x587/0xd30 [ 7526.737482][ T10] kthread+0x28a/0x350 [ 7526.737482][ T10] ret_from_fork+0x31/0x70 [ 7526.737482][ T10] ret_from_fork_asm+0x1a/0x30 [ 7526.737482][ T10] [ 7526.739428][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7526.739428][ T10] netdev_get_by_index+0x5e/0x80 [ 7526.739428][ T10] fib6_nh_init+0x3d8/0x1580 [ 7526.739428][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7526.739428][ T10] ip6_route_add+0x1c/0x140 [ 7526.739428][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7526.739428][ T10] inet6_addr_add+0x4f8/0xa40 [ 7526.739428][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7526.739428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7526.739428][ T10] netlink_rcv_skb+0x130/0x360 [ 7526.739428][ T10] netlink_unicast+0x449/0x710 [ 7526.739428][ T10] netlink_sendmsg+0x723/0xbe0 [ 7526.739428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7526.739428][ T10] ___sys_sendmsg+0xee/0x170 [ 7526.739428][ T10] __sys_sendmsg+0xcd/0x170 [ 7526.739428][ T10] do_syscall_64+0xc6/0x1e0 [ 7526.739428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7526.739428][ T10] [ 7526.741424][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7526.741424][ T10] netdev_get_by_index+0x5e/0x80 [ 7526.741424][ T10] fib6_nh_init+0x3d8/0x1580 [ 7526.741424][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7526.741424][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7526.741424][ T10] ipv6_add_addr+0x411/0x2000 [ 7526.741424][ T10] inet6_addr_add+0x30e/0xa40 [ 7526.741424][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7526.741424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7526.741424][ T10] netlink_rcv_skb+0x130/0x360 [ 7526.741424][ T10] netlink_unicast+0x449/0x710 [ 7526.741424][ T10] netlink_sendmsg+0x723/0xbe0 [ 7526.741424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7526.741424][ T10] ___sys_sendmsg+0xee/0x170 [ 7526.741424][ T10] __sys_sendmsg+0xcd/0x170 [ 7526.741424][ T10] do_syscall_64+0xc6/0x1e0 [ 7526.741424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7526.741424][ T10] [ 7526.743420][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7526.743420][ T10] netdev_get_by_index+0x5e/0x80 [ 7526.743420][ T10] fib6_nh_init+0x3d8/0x1580 [ 7526.743420][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7526.743420][ T10] ip6_route_add+0x1c/0x140 [ 7526.743420][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7526.743420][ T10] addrconf_add_dev+0xe2/0x170 [ 7526.743420][ T10] inet6_addr_add+0x12f/0xa40 [ 7526.743420][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7526.743420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7526.743420][ T10] netlink_rcv_skb+0x130/0x360 [ 7526.743420][ T10] netlink_unicast+0x449/0x710 [ 7526.743420][ T10] netlink_sendmsg+0x723/0xbe0 [ 7526.743420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7526.743420][ T10] ___sys_sendmsg+0xee/0x170 [ 7526.743420][ T10] __sys_sendmsg+0xcd/0x170 [ 7526.743420][ T10] do_syscall_64+0xc6/0x1e0 [ 7526.743420][ T10] [ 7526.745375][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7526.745375][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7526.745375][ T10] ipv6_find_idev+0x102/0x170 [ 7526.745375][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7526.745375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7526.745375][ T10] netlink_rcv_skb+0x130/0x360 [ 7526.745375][ T10] netlink_unicast+0x449/0x710 [ 7526.745375][ T10] netlink_sendmsg+0x723/0xbe0 [ 7526.745375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7526.745375][ T10] ___sys_sendmsg+0xee/0x170 [ 7526.745375][ T10] __sys_sendmsg+0xcd/0x170 [ 7526.745375][ T10] do_syscall_64+0xc6/0x1e0 [ 7526.745375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7526.745375][ T10] [ 7526.746914][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7526.746914][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7526.746914][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7526.746914][ T10] ipv6_find_idev+0x102/0x170 [ 7526.746914][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7526.746914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7526.746914][ T10] netlink_rcv_skb+0x130/0x360 [ 7526.746914][ T10] netlink_unicast+0x449/0x710 [ 7526.746914][ T10] netlink_sendmsg+0x723/0xbe0 [ 7526.746914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7526.746914][ T10] ___sys_sendmsg+0xee/0x170 [ 7526.746914][ T10] __sys_sendmsg+0xcd/0x170 [ 7526.746914][ T10] do_syscall_64+0xc6/0x1e0 [ 7526.746914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7526.746914][ T10] [ 7526.748595][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7526.748847][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7526.748847][ T10] netdev_get_by_index+0x5e/0x80 [ 7526.748847][ T10] fib6_nh_init+0x3d8/0x1580 [ 7526.748847][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7526.748847][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7526.748847][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7526.748847][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7526.748847][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7526.748847][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7526.748847][ T10] addrconf_dad_begin+0x310/0x670 [ 7526.748847][ T10] addrconf_dad_work+0x10b/0xab0 [ 7526.748847][ T10] process_one_work+0x84d/0x18a0 [ 7526.748847][ T10] worker_thread+0x587/0xd30 [ 7526.748847][ T10] kthread+0x28a/0x350 [ 7526.748847][ T10] ret_from_fork+0x31/0x70 [ 7526.748847][ T10] ret_from_fork_asm+0x1a/0x30 [ 7526.748847][ T10] [ 7526.750748][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7526.750748][ T10] netdev_get_by_index+0x5e/0x80 [ 7526.750748][ T10] fib6_nh_init+0x3d8/0x1580 [ 7526.750748][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7526.750748][ T10] ip6_route_add+0x1c/0x140 [ 7526.750748][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7526.750748][ T10] inet6_addr_add+0x4f8/0xa40 [ 7526.750748][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7526.750748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7526.750748][ T10] netlink_rcv_skb+0x130/0x360 [ 7526.750748][ T10] netlink_unicast+0x449/0x710 [ 7526.750748][ T10] netlink_sendmsg+0x723/0xbe0 [ 7526.750748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7526.750748][ T10] ___sys_sendmsg+0xee/0x170 [ 7526.750748][ T10] __sys_sendmsg+0xcd/0x170 [ 7526.750748][ T10] do_syscall_64+0xc6/0x1e0 [ 7526.750748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7526.750748][ T10] [ 7526.752749][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7526.752749][ T10] netdev_get_by_index+0x5e/0x80 [ 7526.752749][ T10] fib6_nh_init+0x3d8/0x1580 [ 7526.752749][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7526.752749][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7526.752749][ T10] ipv6_add_addr+0x411/0x2000 [ 7526.752749][ T10] inet6_addr_add+0x30e/0xa40 [ 7526.752749][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7526.752749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7526.752749][ T10] netlink_rcv_skb+0x130/0x360 [ 7526.752749][ T10] netlink_unicast+0x449/0x710 [ 7526.752749][ T10] netlink_sendmsg+0x723/0xbe0 [ 7526.752749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7526.752749][ T10] ___sys_sendmsg+0xee/0x170 [ 7526.752749][ T10] __sys_sendmsg+0xcd/0x170 [ 7526.752749][ T10] do_syscall_64+0xc6/0x1e0 [ 7526.752749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7526.752749][ T10] [ 7526.754744][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7526.754744][ T10] netdev_get_by_index+0x5e/0x80 [ 7526.754744][ T10] fib6_nh_init+0x3d8/0x1580 [ 7526.754744][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7526.754744][ T10] ip6_route_add+0x1c/0x140 [ 7526.754744][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7526.754744][ T10] addrconf_add_dev+0xe2/0x170 [ 7526.754744][ T10] inet6_addr_add+0x12f/0xa40 [ 7526.754744][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7526.754744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7526.754744][ T10] netlink_rcv_skb+0x130/0x360 [ 7526.754744][ T10] netlink_unicast+0x449/0x710 [ 7526.754744][ T10] netlink_sendmsg+0x723/0xbe0 [ 7526.754744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7526.754744][ T10] ___sys_sendmsg+0xee/0x170 [ 7526.754744][ T10] __sys_sendmsg+0xcd/0x170 [ 7526.754744][ T10] do_syscall_64+0xc6/0x1e0 [ 7526.754744][ T10] [ 7526.756707][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7526.756707][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7526.756707][ T10] ipv6_find_idev+0x102/0x170 [ 7526.756707][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7526.756707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7526.756707][ T10] netlink_rcv_skb+0x130/0x360 [ 7526.756707][ T10] netlink_unicast+0x449/0x710 [ 7526.756707][ T10] netlink_sendmsg+0x723/0xbe0 [ 7526.756707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7526.756707][ T10] ___sys_sendmsg+0xee/0x170 [ 7526.756707][ T10] __sys_sendmsg+0xcd/0x170 [ 7526.756707][ T10] do_syscall_64+0xc6/0x1e0 [ 7526.756707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7526.756707][ T10] [ 7526.758239][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7526.758239][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7526.758239][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7526.758239][ T10] ipv6_find_idev+0x102/0x170 [ 7526.758239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7526.758239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7526.758239][ T10] netlink_rcv_skb+0x130/0x360 [ 7526.758239][ T10] netlink_unicast+0x449/0x710 [ 7526.758239][ T10] netlink_sendmsg+0x723/0xbe0 [ 7526.758239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7526.758239][ T10] ___sys_sendmsg+0xee/0x170 [ 7526.758239][ T10] __sys_sendmsg+0xcd/0x170 [ 7526.758239][ T10] do_syscall_64+0xc6/0x1e0 [ 7526.758239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7526.758239][ T10] [ 7526.759917][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7526.760164][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7526.760164][ T10] netdev_get_by_index+0x5e/0x80 [ 7526.760164][ T10] fib6_nh_init+0x3d8/0x1580 [ 7526.760164][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7526.760164][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7526.760164][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7526.760164][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7526.760164][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7526.760164][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7526.760164][ T10] addrconf_dad_begin+0x310/0x670 [ 7526.760164][ T10] addrconf_dad_work+0x10b/0xab0 [ 7526.760164][ T10] process_one_work+0x84d/0x18a0 [ 7526.760164][ T10] worker_thread+0x587/0xd30 [ 7526.760164][ T10] kthread+0x28a/0x350 [ 7526.760164][ T10] ret_from_fork+0x31/0x70 [ 7526.760164][ T10] ret_from_fork_asm+0x1a/0x30 [ 7526.760164][ T10] [ 7526.762074][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7526.762074][ T10] netdev_get_by_index+0x5e/0x80 [ 7526.762074][ T10] fib6_nh_init+0x3d8/0x1580 [ 7526.762074][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7526.762074][ T10] ip6_route_add+0x1c/0x140 [ 7526.762074][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7526.762074][ T10] inet6_addr_add+0x4f8/0xa40 [ 7526.762074][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7526.762074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7526.762074][ T10] netlink_rcv_skb+0x130/0x360 [ 7526.762074][ T10] netlink_unicast+0x449/0x710 [ 7526.762074][ T10] netlink_sendmsg+0x723/0xbe0 [ 7526.762074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7526.762074][ T10] ___sys_sendmsg+0xee/0x170 [ 7526.762074][ T10] __sys_sendmsg+0xcd/0x170 [ 7526.762074][ T10] do_syscall_64+0xc6/0x1e0 [ 7526.762074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7526.762074][ T10] [ 7526.764275][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7526.764275][ T10] netdev_get_by_index+0x5e/0x80 [ 7526.764275][ T10] fib6_nh_init+0x3d8/0x1580 [ 7526.764275][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7526.764275][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7526.764275][ T10] ipv6_add_addr+0x411/0x2000 [ 7526.764275][ T10] inet6_addr_add+0x30e/0xa40 [ 7526.764275][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7526.764275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7526.764275][ T10] netlink_rcv_skb+0x130/0x360 [ 7526.764275][ T10] netlink_unicast+0x449/0x710 [ 7526.764275][ T10] netlink_sendmsg+0x723/0xbe0 [ 7526.764275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7526.764275][ T10] ___sys_sendmsg+0xee/0x170 [ 7526.764275][ T10] __sys_sendmsg+0xcd/0x170 [ 7526.764275][ T10] do_syscall_64+0xc6/0x1e0 [ 7526.764275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7526.764275][ T10] [ 7526.766440][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7526.766440][ T10] netdev_get_by_index+0x5e/0x80 [ 7526.766440][ T10] fib6_nh_init+0x3d8/0x1580 [ 7526.766440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7526.766440][ T10] ip6_route_add+0x1c/0x140 [ 7526.766440][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7526.766440][ T10] addrconf_add_dev+0xe2/0x170 [ 7526.766440][ T10] inet6_addr_add+0x12f/0xa40 [ 7526.766440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7526.766440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7526.766440][ T10] netlink_rcv_skb+0x130/0x360 [ 7526.766440][ T10] netlink_unicast+0x449/0x710 [ 7526.766440][ T10] netlink_sendmsg+0x723/0xbe0 [ 7526.766440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7526.766440][ T10] ___sys_sendmsg+0xee/0x170 [ 7526.766440][ T10] __sys_sendmsg+0xcd/0x170 [ 7526.766440][ T10] do_syscall_64+0xc6/0x1e0 [ 7526.766440][ T10] [ 7526.768582][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7526.768582][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7526.768582][ T10] ipv6_find_idev+0x102/0x170 [ 7526.768582][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7526.768582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7526.768582][ T10] netlink_rcv_skb+0x130/0x360 [ 7526.768582][ T10] netlink_unicast+0x449/0x710 [ 7526.768582][ T10] netlink_sendmsg+0x723/0xbe0 [ 7526.768582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7526.768582][ T10] ___sys_sendmsg+0xee/0x170 [ 7526.768582][ T10] __sys_sendmsg+0xcd/0x170 [ 7526.768582][ T10] do_syscall_64+0xc6/0x1e0 [ 7526.768582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7526.768582][ T10] [ 7526.770350][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7526.770350][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7526.770350][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7526.770350][ T10] ipv6_find_idev+0x102/0x170 [ 7526.770350][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7526.770350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7526.770350][ T10] netlink_rcv_skb+0x130/0x360 [ 7526.770350][ T10] netlink_unicast+0x449/0x710 [ 7526.770350][ T10] netlink_sendmsg+0x723/0xbe0 [ 7526.770350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7526.770350][ T10] ___sys_sendmsg+0xee/0x170 [ 7526.770350][ T10] __sys_sendmsg+0xcd/0x170 [ 7526.770350][ T10] do_syscall_64+0xc6/0x1e0 [ 7526.770350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7526.770350][ T10] [ 7526.772268][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7526.772511][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7526.772511][ T10] netdev_get_by_index+0x5e/0x80 [ 7526.772511][ T10] fib6_nh_init+0x3d8/0x1580 [ 7526.772511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7526.772511][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7526.772511][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7526.772511][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7526.772511][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7526.772511][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7526.772511][ T10] addrconf_dad_begin+0x310/0x670 [ 7526.772511][ T10] addrconf_dad_work+0x10b/0xab0 [ 7526.772511][ T10] process_one_work+0x84d/0x18a0 [ 7526.772511][ T10] worker_thread+0x587/0xd30 [ 7526.772511][ T10] kthread+0x28a/0x350 [ 7526.772511][ T10] ret_from_fork+0x31/0x70 [ 7526.772511][ T10] ret_from_fork_asm+0x1a/0x30 [ 7526.772511][ T10] [ 7526.774597][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7526.774597][ T10] netdev_get_by_index+0x5e/0x80 [ 7526.774597][ T10] fib6_nh_init+0x3d8/0x1580 [ 7526.774597][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7526.774597][ T10] ip6_route_add+0x1c/0x140 [ 7526.774597][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7526.774597][ T10] inet6_addr_add+0x4f8/0xa40 [ 7526.774597][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7526.774597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7526.774597][ T10] netlink_rcv_skb+0x130/0x360 [ 7526.774597][ T10] netlink_unicast+0x449/0x710 [ 7526.774597][ T10] netlink_sendmsg+0x723/0xbe0 [ 7526.774597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7526.774597][ T10] ___sys_sendmsg+0xee/0x170 [ 7526.774597][ T10] __sys_sendmsg+0xcd/0x170 [ 7526.774597][ T10] do_syscall_64+0xc6/0x1e0 [ 7526.774597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7526.774597][ T10] [ 7526.776953][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7526.776953][ T10] netdev_get_by_index+0x5e/0x80 [ 7526.776953][ T10] fib6_nh_init+0x3d8/0x1580 [ 7526.776953][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7526.776953][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7526.776953][ T10] ipv6_add_addr+0x411/0x2000 [ 7526.776953][ T10] inet6_addr_add+0x30e/0xa40 [ 7526.776953][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7526.776953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7526.776953][ T10] netlink_rcv_skb+0x130/0x360 [ 7526.776953][ T10] netlink_unicast+0x449/0x710 [ 7526.776953][ T10] netlink_sendmsg+0x723/0xbe0 [ 7526.776953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7526.776953][ T10] ___sys_sendmsg+0xee/0x170 [ 7526.776953][ T10] __sys_sendmsg+0xcd/0x170 [ 7526.776953][ T10] do_syscall_64+0xc6/0x1e0 [ 7526.776953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7526.776953][ T10] [ 7526.779243][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7526.779243][ T10] netdev_get_by_index+0x5e/0x80 [ 7526.779243][ T10] fib6_nh_init+0x3d8/0x1580 [ 7526.779243][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7526.779243][ T10] ip6_route_add+0x1c/0x140 [ 7526.779243][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7526.779243][ T10] addrconf_add_dev+0xe2/0x170 [ 7526.779243][ T10] inet6_addr_add+0x12f/0xa40 [ 7526.779243][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7526.779243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7526.779243][ T10] netlink_rcv_skb+0x130/0x360 [ 7526.779243][ T10] netlink_unicast+0x449/0x710 [ 7526.779243][ T10] netlink_sendmsg+0x723/0xbe0 [ 7526.779243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7526.779243][ T10] ___sys_sendmsg+0xee/0x170 [ 7526.779243][ T10] __sys_sendmsg+0xcd/0x170 [ 7526.779243][ T10] do_syscall_64+0xc6/0x1e0 [ 7526.779243][ T10] [ 7526.781392][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7526.781392][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7526.781392][ T10] ipv6_find_idev+0x102/0x170 [ 7526.781392][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7526.781392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7526.781392][ T10] netlink_rcv_skb+0x130/0x360 [ 7526.781392][ T10] netlink_unicast+0x449/0x710 [ 7526.781392][ T10] netlink_sendmsg+0x723/0xbe0 [ 7526.781392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7526.781392][ T10] ___sys_sendmsg+0xee/0x170 [ 7526.781392][ T10] __sys_sendmsg+0xcd/0x170 [ 7526.781392][ T10] do_syscall_64+0xc6/0x1e0 [ 7526.781392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7526.781392][ T10] [ 7526.783111][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7526.783111][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7526.783111][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7526.783111][ T10] ipv6_find_idev+0x102/0x170 [ 7526.783111][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7526.783111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7526.783111][ T10] netlink_rcv_skb+0x130/0x360 [ 7526.783111][ T10] netlink_unicast+0x449/0x710 [ 7526.783111][ T10] netlink_sendmsg+0x723/0xbe0 [ 7526.783111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7526.783111][ T10] ___sys_sendmsg+0xee/0x170 [ 7526.783111][ T10] __sys_sendmsg+0xcd/0x170 [ 7526.783111][ T10] do_syscall_64+0xc6/0x1e0 [ 7526.783111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7526.783111][ T10] [ 7529.977117][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7529.977605][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7529.977605][ T1167] dst_init+0x84/0x4a0 [ 7529.977605][ T1167] dst_alloc+0x97/0x150 [ 7529.977605][ T1167] ip6_dst_alloc+0x23/0x90 [ 7529.977605][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7529.977605][ T1167] ip6_pol_route+0x56f/0x840 [ 7529.977605][ T1167] fib6_rule_lookup+0x334/0x630 [ 7529.977605][ T1167] ip6_route_output_flags+0x259/0x480 [ 7529.977605][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7529.977605][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7529.977605][ T1167] netlink_rcv_skb+0x130/0x360 [ 7529.977605][ T1167] netlink_unicast+0x449/0x710 [ 7529.977605][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7529.977605][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7529.977605][ T1167] ___sys_sendmsg+0xee/0x170 [ 7529.977605][ T1167] __sys_sendmsg+0xcd/0x170 [ 7529.977605][ T1167] do_syscall_64+0xc6/0x1e0 [ 7529.977605][ T1167] [ 7529.979809][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7529.979809][ T1167] netdev_get_by_index+0x5e/0x80 [ 7529.979809][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7529.979809][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7529.979809][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7529.979809][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7529.979809][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7529.979809][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7529.979809][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7529.979809][ T1167] addrconf_dad_begin+0x310/0x670 [ 7529.979809][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7529.979809][ T1167] process_one_work+0x84d/0x18a0 [ 7529.979809][ T1167] worker_thread+0x587/0xd30 [ 7529.979809][ T1167] kthread+0x28a/0x350 [ 7529.979809][ T1167] ret_from_fork+0x31/0x70 [ 7529.979809][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7529.979809][ T1167] [ 7529.981961][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7529.981961][ T1167] netdev_get_by_index+0x5e/0x80 [ 7529.981961][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7529.981961][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7529.981961][ T1167] ip6_route_add+0x1c/0x140 [ 7529.981961][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7529.981961][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7529.981961][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7529.981961][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7529.981961][ T1167] netlink_rcv_skb+0x130/0x360 [ 7529.981961][ T1167] netlink_unicast+0x449/0x710 [ 7529.981961][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7529.981961][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7529.981961][ T1167] ___sys_sendmsg+0xee/0x170 [ 7529.981961][ T1167] __sys_sendmsg+0xcd/0x170 [ 7529.981961][ T1167] do_syscall_64+0xc6/0x1e0 [ 7529.981961][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7529.981961][ T1167] [ 7529.984217][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7529.984217][ T1167] netdev_get_by_index+0x5e/0x80 [ 7529.984217][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7529.984217][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7529.984217][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7529.984217][ T1167] ipv6_add_addr+0x411/0x2000 [ 7529.984217][ T1167] inet6_addr_add+0x30e/0xa40 [ 7529.984217][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7529.984217][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7529.984217][ T1167] netlink_rcv_skb+0x130/0x360 [ 7529.984217][ T1167] netlink_unicast+0x449/0x710 [ 7529.984217][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7529.984217][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7529.984217][ T1167] ___sys_sendmsg+0xee/0x170 [ 7529.984217][ T1167] __sys_sendmsg+0xcd/0x170 [ 7529.984217][ T1167] do_syscall_64+0xc6/0x1e0 [ 7529.984217][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7529.984217][ T1167] [ 7529.986446][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7529.986446][ T1167] netdev_get_by_index+0x5e/0x80 [ 7529.986446][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7529.986446][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7529.986446][ T1167] ip6_route_add+0x1c/0x140 [ 7529.986446][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7529.986446][ T1167] addrconf_add_dev+0xe2/0x170 [ 7529.986446][ T1167] inet6_addr_add+0x12f/0xa40 [ 7529.986446][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7529.986446][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7529.986446][ T1167] netlink_rcv_skb+0x130/0x360 [ 7529.986446][ T1167] netlink_unicast+0x449/0x710 [ 7529.986446][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7529.986446][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7529.986446][ T1167] ___sys_sendmsg+0xee/0x170 [ 7529.986446][ T1167] __sys_sendmsg+0xcd/0x170 [ 7529.986446][ T1167] do_syscall_64+0xc6/0x1e0 [ 7529.986446][ T1167] [ 7529.988641][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7529.988641][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7529.988641][ T1167] ipv6_find_idev+0x102/0x170 [ 7529.988641][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7529.988641][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7529.988641][ T1167] netlink_rcv_skb+0x130/0x360 [ 7529.988641][ T1167] netlink_unicast+0x449/0x710 [ 7529.988641][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7529.988641][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7529.988641][ T1167] ___sys_sendmsg+0xee/0x170 [ 7529.988641][ T1167] __sys_sendmsg+0xcd/0x170 [ 7529.988641][ T1167] do_syscall_64+0xc6/0x1e0 [ 7529.988641][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7529.988641][ T1167] [ 7529.990355][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7529.990355][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7529.990355][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7529.990355][ T1167] ipv6_find_idev+0x102/0x170 [ 7529.990355][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7529.990355][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7529.990355][ T1167] netlink_rcv_skb+0x130/0x360 [ 7529.990355][ T1167] netlink_unicast+0x449/0x710 [ 7529.990355][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7529.990355][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7529.990355][ T1167] ___sys_sendmsg+0xee/0x170 [ 7529.990355][ T1167] __sys_sendmsg+0xcd/0x170 [ 7529.990355][ T1167] do_syscall_64+0xc6/0x1e0 [ 7529.990355][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7529.990355][ T1167] [ 7537.033048][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7537.033472][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7537.033472][ T10] netdev_get_by_index+0x5e/0x80 [ 7537.033472][ T10] fib6_nh_init+0x3d8/0x1580 [ 7537.033472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7537.033472][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7537.033472][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7537.033472][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7537.033472][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7537.033472][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7537.033472][ T10] addrconf_dad_begin+0x310/0x670 [ 7537.033472][ T10] addrconf_dad_work+0x10b/0xab0 [ 7537.033472][ T10] process_one_work+0x84d/0x18a0 [ 7537.033472][ T10] worker_thread+0x587/0xd30 [ 7537.033472][ T10] kthread+0x28a/0x350 [ 7537.033472][ T10] ret_from_fork+0x31/0x70 [ 7537.033472][ T10] ret_from_fork_asm+0x1a/0x30 [ 7537.033472][ T10] [ 7537.035404][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7537.035404][ T10] netdev_get_by_index+0x5e/0x80 [ 7537.035404][ T10] fib6_nh_init+0x3d8/0x1580 [ 7537.035404][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7537.035404][ T10] ip6_route_add+0x1c/0x140 [ 7537.035404][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7537.035404][ T10] inet6_addr_add+0x4f8/0xa40 [ 7537.035404][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7537.035404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7537.035404][ T10] netlink_rcv_skb+0x130/0x360 [ 7537.035404][ T10] netlink_unicast+0x449/0x710 [ 7537.035404][ T10] netlink_sendmsg+0x723/0xbe0 [ 7537.035404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7537.035404][ T10] ___sys_sendmsg+0xee/0x170 [ 7537.035404][ T10] __sys_sendmsg+0xcd/0x170 [ 7537.035404][ T10] do_syscall_64+0xc6/0x1e0 [ 7537.035404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7537.035404][ T10] [ 7537.037426][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7537.037426][ T10] netdev_get_by_index+0x5e/0x80 [ 7537.037426][ T10] fib6_nh_init+0x3d8/0x1580 [ 7537.037426][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7537.037426][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7537.037426][ T10] ipv6_add_addr+0x411/0x2000 [ 7537.037426][ T10] inet6_addr_add+0x30e/0xa40 [ 7537.037426][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7537.037426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7537.037426][ T10] netlink_rcv_skb+0x130/0x360 [ 7537.037426][ T10] netlink_unicast+0x449/0x710 [ 7537.037426][ T10] netlink_sendmsg+0x723/0xbe0 [ 7537.037426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7537.037426][ T10] ___sys_sendmsg+0xee/0x170 [ 7537.037426][ T10] __sys_sendmsg+0xcd/0x170 [ 7537.037426][ T10] do_syscall_64+0xc6/0x1e0 [ 7537.037426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7537.037426][ T10] [ 7537.039408][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7537.039408][ T10] netdev_get_by_index+0x5e/0x80 [ 7537.039408][ T10] fib6_nh_init+0x3d8/0x1580 [ 7537.039408][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7537.039408][ T10] ip6_route_add+0x1c/0x140 [ 7537.039408][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7537.039408][ T10] addrconf_add_dev+0xe2/0x170 [ 7537.039408][ T10] inet6_addr_add+0x12f/0xa40 [ 7537.039408][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7537.039408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7537.039408][ T10] netlink_rcv_skb+0x130/0x360 [ 7537.039408][ T10] netlink_unicast+0x449/0x710 [ 7537.039408][ T10] netlink_sendmsg+0x723/0xbe0 [ 7537.039408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7537.039408][ T10] ___sys_sendmsg+0xee/0x170 [ 7537.039408][ T10] __sys_sendmsg+0xcd/0x170 [ 7537.039408][ T10] do_syscall_64+0xc6/0x1e0 [ 7537.039408][ T10] [ 7537.041369][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7537.041369][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7537.041369][ T10] ipv6_find_idev+0x102/0x170 [ 7537.041369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7537.041369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7537.041369][ T10] netlink_rcv_skb+0x130/0x360 [ 7537.041369][ T10] netlink_unicast+0x449/0x710 [ 7537.041369][ T10] netlink_sendmsg+0x723/0xbe0 [ 7537.041369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7537.041369][ T10] ___sys_sendmsg+0xee/0x170 [ 7537.041369][ T10] __sys_sendmsg+0xcd/0x170 [ 7537.041369][ T10] do_syscall_64+0xc6/0x1e0 [ 7537.041369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7537.041369][ T10] [ 7537.042919][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7537.042919][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7537.042919][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7537.042919][ T10] ipv6_find_idev+0x102/0x170 [ 7537.042919][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7537.042919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7537.042919][ T10] netlink_rcv_skb+0x130/0x360 [ 7537.042919][ T10] netlink_unicast+0x449/0x710 [ 7537.042919][ T10] netlink_sendmsg+0x723/0xbe0 [ 7537.042919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7537.042919][ T10] ___sys_sendmsg+0xee/0x170 [ 7537.042919][ T10] __sys_sendmsg+0xcd/0x170 [ 7537.042919][ T10] do_syscall_64+0xc6/0x1e0 [ 7537.042919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7537.042919][ T10] [ 7537.044612][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7537.044854][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7537.044854][ T10] netdev_get_by_index+0x5e/0x80 [ 7537.044854][ T10] fib6_nh_init+0x3d8/0x1580 [ 7537.044854][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7537.044854][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7537.044854][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7537.044854][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7537.044854][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7537.044854][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7537.044854][ T10] addrconf_dad_begin+0x310/0x670 [ 7537.044854][ T10] addrconf_dad_work+0x10b/0xab0 [ 7537.044854][ T10] process_one_work+0x84d/0x18a0 [ 7537.044854][ T10] worker_thread+0x587/0xd30 [ 7537.044854][ T10] kthread+0x28a/0x350 [ 7537.044854][ T10] ret_from_fork+0x31/0x70 [ 7537.044854][ T10] ret_from_fork_asm+0x1a/0x30 [ 7537.044854][ T10] [ 7537.046762][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7537.046762][ T10] netdev_get_by_index+0x5e/0x80 [ 7537.046762][ T10] fib6_nh_init+0x3d8/0x1580 [ 7537.046762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7537.046762][ T10] ip6_route_add+0x1c/0x140 [ 7537.046762][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7537.046762][ T10] inet6_addr_add+0x4f8/0xa40 [ 7537.046762][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7537.046762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7537.046762][ T10] netlink_rcv_skb+0x130/0x360 [ 7537.046762][ T10] netlink_unicast+0x449/0x710 [ 7537.046762][ T10] netlink_sendmsg+0x723/0xbe0 [ 7537.046762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7537.046762][ T10] ___sys_sendmsg+0xee/0x170 [ 7537.046762][ T10] __sys_sendmsg+0xcd/0x170 [ 7537.046762][ T10] do_syscall_64+0xc6/0x1e0 [ 7537.046762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7537.046762][ T10] [ 7537.048757][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7537.048757][ T10] netdev_get_by_index+0x5e/0x80 [ 7537.048757][ T10] fib6_nh_init+0x3d8/0x1580 [ 7537.048757][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7537.048757][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7537.048757][ T10] ipv6_add_addr+0x411/0x2000 [ 7537.048757][ T10] inet6_addr_add+0x30e/0xa40 [ 7537.048757][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7537.048757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7537.048757][ T10] netlink_rcv_skb+0x130/0x360 [ 7537.048757][ T10] netlink_unicast+0x449/0x710 [ 7537.048757][ T10] netlink_sendmsg+0x723/0xbe0 [ 7537.048757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7537.048757][ T10] ___sys_sendmsg+0xee/0x170 [ 7537.048757][ T10] __sys_sendmsg+0xcd/0x170 [ 7537.048757][ T10] do_syscall_64+0xc6/0x1e0 [ 7537.048757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7537.048757][ T10] [ 7537.050746][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7537.050746][ T10] netdev_get_by_index+0x5e/0x80 [ 7537.050746][ T10] fib6_nh_init+0x3d8/0x1580 [ 7537.050746][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7537.050746][ T10] ip6_route_add+0x1c/0x140 [ 7537.050746][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7537.050746][ T10] addrconf_add_dev+0xe2/0x170 [ 7537.050746][ T10] inet6_addr_add+0x12f/0xa40 [ 7537.050746][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7537.050746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7537.050746][ T10] netlink_rcv_skb+0x130/0x360 [ 7537.050746][ T10] netlink_unicast+0x449/0x710 [ 7537.050746][ T10] netlink_sendmsg+0x723/0xbe0 [ 7537.050746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7537.050746][ T10] ___sys_sendmsg+0xee/0x170 [ 7537.050746][ T10] __sys_sendmsg+0xcd/0x170 [ 7537.050746][ T10] do_syscall_64+0xc6/0x1e0 [ 7537.050746][ T10] [ 7537.052712][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7537.052712][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7537.052712][ T10] ipv6_find_idev+0x102/0x170 [ 7537.052712][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7537.052712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7537.052712][ T10] netlink_rcv_skb+0x130/0x360 [ 7537.052712][ T10] netlink_unicast+0x449/0x710 [ 7537.052712][ T10] netlink_sendmsg+0x723/0xbe0 [ 7537.052712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7537.052712][ T10] ___sys_sendmsg+0xee/0x170 [ 7537.052712][ T10] __sys_sendmsg+0xcd/0x170 [ 7537.052712][ T10] do_syscall_64+0xc6/0x1e0 [ 7537.052712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7537.052712][ T10] [ 7537.054252][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7537.054252][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7537.054252][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7537.054252][ T10] ipv6_find_idev+0x102/0x170 [ 7537.054252][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7537.054252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7537.054252][ T10] netlink_rcv_skb+0x130/0x360 [ 7537.054252][ T10] netlink_unicast+0x449/0x710 [ 7537.054252][ T10] netlink_sendmsg+0x723/0xbe0 [ 7537.054252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7537.054252][ T10] ___sys_sendmsg+0xee/0x170 [ 7537.054252][ T10] __sys_sendmsg+0xcd/0x170 [ 7537.054252][ T10] do_syscall_64+0xc6/0x1e0 [ 7537.054252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7537.054252][ T10] [ 7537.055925][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7537.056168][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7537.056168][ T10] netdev_get_by_index+0x5e/0x80 [ 7537.056168][ T10] fib6_nh_init+0x3d8/0x1580 [ 7537.056168][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7537.056168][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7537.056168][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7537.056168][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7537.056168][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7537.056168][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7537.056168][ T10] addrconf_dad_begin+0x310/0x670 [ 7537.056168][ T10] addrconf_dad_work+0x10b/0xab0 [ 7537.056168][ T10] process_one_work+0x84d/0x18a0 [ 7537.056168][ T10] worker_thread+0x587/0xd30 [ 7537.056168][ T10] kthread+0x28a/0x350 [ 7537.056168][ T10] ret_from_fork+0x31/0x70 [ 7537.056168][ T10] ret_from_fork_asm+0x1a/0x30 [ 7537.056168][ T10] [ 7537.058072][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7537.058072][ T10] netdev_get_by_index+0x5e/0x80 [ 7537.058072][ T10] fib6_nh_init+0x3d8/0x1580 [ 7537.058072][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7537.058072][ T10] ip6_route_add+0x1c/0x140 [ 7537.058072][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7537.058072][ T10] inet6_addr_add+0x4f8/0xa40 [ 7537.058072][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7537.058072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7537.058072][ T10] netlink_rcv_skb+0x130/0x360 [ 7537.058072][ T10] netlink_unicast+0x449/0x710 [ 7537.058072][ T10] netlink_sendmsg+0x723/0xbe0 [ 7537.058072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7537.058072][ T10] ___sys_sendmsg+0xee/0x170 [ 7537.058072][ T10] __sys_sendmsg+0xcd/0x170 [ 7537.058072][ T10] do_syscall_64+0xc6/0x1e0 [ 7537.058072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7537.058072][ T10] [ 7537.060198][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7537.060198][ T10] netdev_get_by_index+0x5e/0x80 [ 7537.060198][ T10] fib6_nh_init+0x3d8/0x1580 [ 7537.060198][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7537.060198][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7537.060198][ T10] ipv6_add_addr+0x411/0x2000 [ 7537.060198][ T10] inet6_addr_add+0x30e/0xa40 [ 7537.060198][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7537.060198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7537.060198][ T10] netlink_rcv_skb+0x130/0x360 [ 7537.060198][ T10] netlink_unicast+0x449/0x710 [ 7537.060198][ T10] netlink_sendmsg+0x723/0xbe0 [ 7537.060198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7537.060198][ T10] ___sys_sendmsg+0xee/0x170 [ 7537.060198][ T10] __sys_sendmsg+0xcd/0x170 [ 7537.060198][ T10] do_syscall_64+0xc6/0x1e0 [ 7537.060198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7537.060198][ T10] [ 7537.062327][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7537.062327][ T10] netdev_get_by_index+0x5e/0x80 [ 7537.062327][ T10] fib6_nh_init+0x3d8/0x1580 [ 7537.062327][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7537.062327][ T10] ip6_route_add+0x1c/0x140 [ 7537.062327][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7537.062327][ T10] addrconf_add_dev+0xe2/0x170 [ 7537.062327][ T10] inet6_addr_add+0x12f/0xa40 [ 7537.062327][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7537.062327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7537.062327][ T10] netlink_rcv_skb+0x130/0x360 [ 7537.062327][ T10] netlink_unicast+0x449/0x710 [ 7537.062327][ T10] netlink_sendmsg+0x723/0xbe0 [ 7537.062327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7537.062327][ T10] ___sys_sendmsg+0xee/0x170 [ 7537.062327][ T10] __sys_sendmsg+0xcd/0x170 [ 7537.062327][ T10] do_syscall_64+0xc6/0x1e0 [ 7537.062327][ T10] [ 7537.064425][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7537.064425][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7537.064425][ T10] ipv6_find_idev+0x102/0x170 [ 7537.064425][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7537.064425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7537.064425][ T10] netlink_rcv_skb+0x130/0x360 [ 7537.064425][ T10] netlink_unicast+0x449/0x710 [ 7537.064425][ T10] netlink_sendmsg+0x723/0xbe0 [ 7537.064425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7537.064425][ T10] ___sys_sendmsg+0xee/0x170 [ 7537.064425][ T10] __sys_sendmsg+0xcd/0x170 [ 7537.064425][ T10] do_syscall_64+0xc6/0x1e0 [ 7537.064425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7537.064425][ T10] [ 7537.066091][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7537.066091][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7537.066091][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7537.066091][ T10] ipv6_find_idev+0x102/0x170 [ 7537.066091][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7537.066091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7537.066091][ T10] netlink_rcv_skb+0x130/0x360 [ 7537.066091][ T10] netlink_unicast+0x449/0x710 [ 7537.066091][ T10] netlink_sendmsg+0x723/0xbe0 [ 7537.066091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7537.066091][ T10] ___sys_sendmsg+0xee/0x170 [ 7537.066091][ T10] __sys_sendmsg+0xcd/0x170 [ 7537.066091][ T10] do_syscall_64+0xc6/0x1e0 [ 7537.066091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7537.066091][ T10] [ 7537.067893][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7537.068574][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7537.068574][ T10] netdev_get_by_index+0x5e/0x80 [ 7537.068574][ T10] fib6_nh_init+0x3d8/0x1580 [ 7537.068574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7537.068574][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7537.068574][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7537.068574][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7537.068574][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7537.068574][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7537.068574][ T10] addrconf_dad_begin+0x310/0x670 [ 7537.068574][ T10] addrconf_dad_work+0x10b/0xab0 [ 7537.068574][ T10] process_one_work+0x84d/0x18a0 [ 7537.068574][ T10] worker_thread+0x587/0xd30 [ 7537.068574][ T10] kthread+0x28a/0x350 [ 7537.068574][ T10] ret_from_fork+0x31/0x70 [ 7537.068574][ T10] ret_from_fork_asm+0x1a/0x30 [ 7537.068574][ T10] [ 7537.070466][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7537.070466][ T10] netdev_get_by_index+0x5e/0x80 [ 7537.070466][ T10] fib6_nh_init+0x3d8/0x1580 [ 7537.070466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7537.070466][ T10] ip6_route_add+0x1c/0x140 [ 7537.070466][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7537.070466][ T10] inet6_addr_add+0x4f8/0xa40 [ 7537.070466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7537.070466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7537.070466][ T10] netlink_rcv_skb+0x130/0x360 [ 7537.070466][ T10] netlink_unicast+0x449/0x710 [ 7537.070466][ T10] netlink_sendmsg+0x723/0xbe0 [ 7537.070466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7537.070466][ T10] ___sys_sendmsg+0xee/0x170 [ 7537.070466][ T10] __sys_sendmsg+0xcd/0x170 [ 7537.070466][ T10] do_syscall_64+0xc6/0x1e0 [ 7537.070466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7537.070466][ T10] [ 7537.072449][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7537.072449][ T10] netdev_get_by_index+0x5e/0x80 [ 7537.072449][ T10] fib6_nh_init+0x3d8/0x1580 [ 7537.072449][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7537.072449][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7537.072449][ T10] ipv6_add_addr+0x411/0x2000 [ 7537.072449][ T10] inet6_addr_add+0x30e/0xa40 [ 7537.072449][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7537.072449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7537.072449][ T10] netlink_rcv_skb+0x130/0x360 [ 7537.072449][ T10] netlink_unicast+0x449/0x710 [ 7537.072449][ T10] netlink_sendmsg+0x723/0xbe0 [ 7537.072449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7537.072449][ T10] ___sys_sendmsg+0xee/0x170 [ 7537.072449][ T10] __sys_sendmsg+0xcd/0x170 [ 7537.072449][ T10] do_syscall_64+0xc6/0x1e0 [ 7537.072449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7537.072449][ T10] [ 7537.074628][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7537.074628][ T10] netdev_get_by_index+0x5e/0x80 [ 7537.074628][ T10] fib6_nh_init+0x3d8/0x1580 [ 7537.074628][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7537.074628][ T10] ip6_route_add+0x1c/0x140 [ 7537.074628][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7537.074628][ T10] addrconf_add_dev+0xe2/0x170 [ 7537.074628][ T10] inet6_addr_add+0x12f/0xa40 [ 7537.074628][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7537.074628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7537.074628][ T10] netlink_rcv_skb+0x130/0x360 [ 7537.074628][ T10] netlink_unicast+0x449/0x710 [ 7537.074628][ T10] netlink_sendmsg+0x723/0xbe0 [ 7537.074628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7537.074628][ T10] ___sys_sendmsg+0xee/0x170 [ 7537.074628][ T10] __sys_sendmsg+0xcd/0x170 [ 7537.074628][ T10] do_syscall_64+0xc6/0x1e0 [ 7537.074628][ T10] [ 7537.076883][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7537.076883][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7537.076883][ T10] ipv6_find_idev+0x102/0x170 [ 7537.076883][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7537.076883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7537.076883][ T10] netlink_rcv_skb+0x130/0x360 [ 7537.076883][ T10] netlink_unicast+0x449/0x710 [ 7537.076883][ T10] netlink_sendmsg+0x723/0xbe0 [ 7537.076883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7537.076883][ T10] ___sys_sendmsg+0xee/0x170 [ 7537.076883][ T10] __sys_sendmsg+0xcd/0x170 [ 7537.076883][ T10] do_syscall_64+0xc6/0x1e0 [ 7537.076883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7537.076883][ T10] [ 7537.078596][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7537.078596][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7537.078596][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7537.078596][ T10] ipv6_find_idev+0x102/0x170 [ 7537.078596][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7537.078596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7537.078596][ T10] netlink_rcv_skb+0x130/0x360 [ 7537.078596][ T10] netlink_unicast+0x449/0x710 [ 7537.078596][ T10] netlink_sendmsg+0x723/0xbe0 [ 7537.078596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7537.078596][ T10] ___sys_sendmsg+0xee/0x170 [ 7537.078596][ T10] __sys_sendmsg+0xcd/0x170 [ 7537.078596][ T10] do_syscall_64+0xc6/0x1e0 [ 7537.078596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7537.078596][ T10] [ 7540.241193][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7540.241682][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7540.241682][ T1167] dst_init+0x84/0x4a0 [ 7540.241682][ T1167] dst_alloc+0x97/0x150 [ 7540.241682][ T1167] ip6_dst_alloc+0x23/0x90 [ 7540.241682][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7540.241682][ T1167] ip6_pol_route+0x56f/0x840 [ 7540.241682][ T1167] fib6_rule_lookup+0x334/0x630 [ 7540.241682][ T1167] ip6_route_output_flags+0x259/0x480 [ 7540.241682][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7540.241682][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7540.241682][ T1167] netlink_rcv_skb+0x130/0x360 [ 7540.241682][ T1167] netlink_unicast+0x449/0x710 [ 7540.241682][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7540.241682][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7540.241682][ T1167] ___sys_sendmsg+0xee/0x170 [ 7540.241682][ T1167] __sys_sendmsg+0xcd/0x170 [ 7540.241682][ T1167] do_syscall_64+0xc6/0x1e0 [ 7540.241682][ T1167] [ 7540.243898][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7540.243898][ T1167] netdev_get_by_index+0x5e/0x80 [ 7540.243898][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7540.243898][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7540.243898][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7540.243898][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7540.243898][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7540.243898][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7540.243898][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7540.243898][ T1167] addrconf_dad_begin+0x310/0x670 [ 7540.243898][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7540.243898][ T1167] process_one_work+0x84d/0x18a0 [ 7540.243898][ T1167] worker_thread+0x587/0xd30 [ 7540.243898][ T1167] kthread+0x28a/0x350 [ 7540.243898][ T1167] ret_from_fork+0x31/0x70 [ 7540.243898][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7540.243898][ T1167] [ 7540.246038][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7540.246038][ T1167] netdev_get_by_index+0x5e/0x80 [ 7540.246038][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7540.246038][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7540.246038][ T1167] ip6_route_add+0x1c/0x140 [ 7540.246038][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7540.246038][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7540.246038][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7540.246038][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7540.246038][ T1167] netlink_rcv_skb+0x130/0x360 [ 7540.246038][ T1167] netlink_unicast+0x449/0x710 [ 7540.246038][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7540.246038][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7540.246038][ T1167] ___sys_sendmsg+0xee/0x170 [ 7540.246038][ T1167] __sys_sendmsg+0xcd/0x170 [ 7540.246038][ T1167] do_syscall_64+0xc6/0x1e0 [ 7540.246038][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7540.246038][ T1167] [ 7540.248279][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7540.248279][ T1167] netdev_get_by_index+0x5e/0x80 [ 7540.248279][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7540.248279][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7540.248279][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7540.248279][ T1167] ipv6_add_addr+0x411/0x2000 [ 7540.248279][ T1167] inet6_addr_add+0x30e/0xa40 [ 7540.248279][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7540.248279][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7540.248279][ T1167] netlink_rcv_skb+0x130/0x360 [ 7540.248279][ T1167] netlink_unicast+0x449/0x710 [ 7540.248279][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7540.248279][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7540.248279][ T1167] ___sys_sendmsg+0xee/0x170 [ 7540.248279][ T1167] __sys_sendmsg+0xcd/0x170 [ 7540.248279][ T1167] do_syscall_64+0xc6/0x1e0 [ 7540.248279][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7540.248279][ T1167] [ 7540.250516][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7540.250516][ T1167] netdev_get_by_index+0x5e/0x80 [ 7540.250516][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7540.250516][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7540.250516][ T1167] ip6_route_add+0x1c/0x140 [ 7540.250516][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7540.250516][ T1167] addrconf_add_dev+0xe2/0x170 [ 7540.250516][ T1167] inet6_addr_add+0x12f/0xa40 [ 7540.250516][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7540.250516][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7540.250516][ T1167] netlink_rcv_skb+0x130/0x360 [ 7540.250516][ T1167] netlink_unicast+0x449/0x710 [ 7540.250516][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7540.250516][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7540.250516][ T1167] ___sys_sendmsg+0xee/0x170 [ 7540.250516][ T1167] __sys_sendmsg+0xcd/0x170 [ 7540.250516][ T1167] do_syscall_64+0xc6/0x1e0 [ 7540.250516][ T1167] [ 7540.252713][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7540.252713][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7540.252713][ T1167] ipv6_find_idev+0x102/0x170 [ 7540.252713][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7540.252713][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7540.252713][ T1167] netlink_rcv_skb+0x130/0x360 [ 7540.252713][ T1167] netlink_unicast+0x449/0x710 [ 7540.252713][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7540.252713][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7540.252713][ T1167] ___sys_sendmsg+0xee/0x170 [ 7540.252713][ T1167] __sys_sendmsg+0xcd/0x170 [ 7540.252713][ T1167] do_syscall_64+0xc6/0x1e0 [ 7540.252713][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7540.252713][ T1167] [ 7540.254430][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7540.254430][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7540.254430][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7540.254430][ T1167] ipv6_find_idev+0x102/0x170 [ 7540.254430][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7540.254430][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7540.254430][ T1167] netlink_rcv_skb+0x130/0x360 [ 7540.254430][ T1167] netlink_unicast+0x449/0x710 [ 7540.254430][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7540.254430][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7540.254430][ T1167] ___sys_sendmsg+0xee/0x170 [ 7540.254430][ T1167] __sys_sendmsg+0xcd/0x170 [ 7540.254430][ T1167] do_syscall_64+0xc6/0x1e0 [ 7540.254430][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7540.254430][ T1167] [ 7547.329044][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7547.329472][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7547.329472][ T10] netdev_get_by_index+0x5e/0x80 [ 7547.329472][ T10] fib6_nh_init+0x3d8/0x1580 [ 7547.329472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7547.329472][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7547.329472][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7547.329472][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7547.329472][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7547.329472][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7547.329472][ T10] addrconf_dad_begin+0x310/0x670 [ 7547.329472][ T10] addrconf_dad_work+0x10b/0xab0 [ 7547.329472][ T10] process_one_work+0x84d/0x18a0 [ 7547.329472][ T10] worker_thread+0x587/0xd30 [ 7547.329472][ T10] kthread+0x28a/0x350 [ 7547.329472][ T10] ret_from_fork+0x31/0x70 [ 7547.329472][ T10] ret_from_fork_asm+0x1a/0x30 [ 7547.329472][ T10] [ 7547.331403][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7547.331403][ T10] netdev_get_by_index+0x5e/0x80 [ 7547.331403][ T10] fib6_nh_init+0x3d8/0x1580 [ 7547.331403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7547.331403][ T10] ip6_route_add+0x1c/0x140 [ 7547.331403][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7547.331403][ T10] inet6_addr_add+0x4f8/0xa40 [ 7547.331403][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7547.331403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7547.331403][ T10] netlink_rcv_skb+0x130/0x360 [ 7547.331403][ T10] netlink_unicast+0x449/0x710 [ 7547.331403][ T10] netlink_sendmsg+0x723/0xbe0 [ 7547.331403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7547.331403][ T10] ___sys_sendmsg+0xee/0x170 [ 7547.331403][ T10] __sys_sendmsg+0xcd/0x170 [ 7547.331403][ T10] do_syscall_64+0xc6/0x1e0 [ 7547.331403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7547.331403][ T10] [ 7547.333426][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7547.333426][ T10] netdev_get_by_index+0x5e/0x80 [ 7547.333426][ T10] fib6_nh_init+0x3d8/0x1580 [ 7547.333426][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7547.333426][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7547.333426][ T10] ipv6_add_addr+0x411/0x2000 [ 7547.333426][ T10] inet6_addr_add+0x30e/0xa40 [ 7547.333426][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7547.333426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7547.333426][ T10] netlink_rcv_skb+0x130/0x360 [ 7547.333426][ T10] netlink_unicast+0x449/0x710 [ 7547.333426][ T10] netlink_sendmsg+0x723/0xbe0 [ 7547.333426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7547.333426][ T10] ___sys_sendmsg+0xee/0x170 [ 7547.333426][ T10] __sys_sendmsg+0xcd/0x170 [ 7547.333426][ T10] do_syscall_64+0xc6/0x1e0 [ 7547.333426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7547.333426][ T10] [ 7547.335416][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7547.335416][ T10] netdev_get_by_index+0x5e/0x80 [ 7547.335416][ T10] fib6_nh_init+0x3d8/0x1580 [ 7547.335416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7547.335416][ T10] ip6_route_add+0x1c/0x140 [ 7547.335416][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7547.335416][ T10] addrconf_add_dev+0xe2/0x170 [ 7547.335416][ T10] inet6_addr_add+0x12f/0xa40 [ 7547.335416][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7547.335416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7547.335416][ T10] netlink_rcv_skb+0x130/0x360 [ 7547.335416][ T10] netlink_unicast+0x449/0x710 [ 7547.335416][ T10] netlink_sendmsg+0x723/0xbe0 [ 7547.335416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7547.335416][ T10] ___sys_sendmsg+0xee/0x170 [ 7547.335416][ T10] __sys_sendmsg+0xcd/0x170 [ 7547.335416][ T10] do_syscall_64+0xc6/0x1e0 [ 7547.335416][ T10] [ 7547.337372][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7547.337372][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7547.337372][ T10] ipv6_find_idev+0x102/0x170 [ 7547.337372][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7547.337372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7547.337372][ T10] netlink_rcv_skb+0x130/0x360 [ 7547.337372][ T10] netlink_unicast+0x449/0x710 [ 7547.337372][ T10] netlink_sendmsg+0x723/0xbe0 [ 7547.337372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7547.337372][ T10] ___sys_sendmsg+0xee/0x170 [ 7547.337372][ T10] __sys_sendmsg+0xcd/0x170 [ 7547.337372][ T10] do_syscall_64+0xc6/0x1e0 [ 7547.337372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7547.337372][ T10] [ 7547.338916][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7547.338916][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7547.338916][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7547.338916][ T10] ipv6_find_idev+0x102/0x170 [ 7547.338916][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7547.338916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7547.338916][ T10] netlink_rcv_skb+0x130/0x360 [ 7547.338916][ T10] netlink_unicast+0x449/0x710 [ 7547.338916][ T10] netlink_sendmsg+0x723/0xbe0 [ 7547.338916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7547.338916][ T10] ___sys_sendmsg+0xee/0x170 [ 7547.338916][ T10] __sys_sendmsg+0xcd/0x170 [ 7547.338916][ T10] do_syscall_64+0xc6/0x1e0 [ 7547.338916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7547.338916][ T10] [ 7547.340605][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7547.340845][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7547.340845][ T10] netdev_get_by_index+0x5e/0x80 [ 7547.340845][ T10] fib6_nh_init+0x3d8/0x1580 [ 7547.340845][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7547.340845][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7547.340845][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7547.340845][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7547.340845][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7547.340845][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7547.340845][ T10] addrconf_dad_begin+0x310/0x670 [ 7547.340845][ T10] addrconf_dad_work+0x10b/0xab0 [ 7547.340845][ T10] process_one_work+0x84d/0x18a0 [ 7547.340845][ T10] worker_thread+0x587/0xd30 [ 7547.340845][ T10] kthread+0x28a/0x350 [ 7547.340845][ T10] ret_from_fork+0x31/0x70 [ 7547.340845][ T10] ret_from_fork_asm+0x1a/0x30 [ 7547.340845][ T10] [ 7547.342752][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7547.342752][ T10] netdev_get_by_index+0x5e/0x80 [ 7547.342752][ T10] fib6_nh_init+0x3d8/0x1580 [ 7547.342752][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7547.342752][ T10] ip6_route_add+0x1c/0x140 [ 7547.342752][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7547.342752][ T10] inet6_addr_add+0x4f8/0xa40 [ 7547.342752][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7547.342752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7547.342752][ T10] netlink_rcv_skb+0x130/0x360 [ 7547.342752][ T10] netlink_unicast+0x449/0x710 [ 7547.342752][ T10] netlink_sendmsg+0x723/0xbe0 [ 7547.342752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7547.342752][ T10] ___sys_sendmsg+0xee/0x170 [ 7547.342752][ T10] __sys_sendmsg+0xcd/0x170 [ 7547.342752][ T10] do_syscall_64+0xc6/0x1e0 [ 7547.342752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7547.342752][ T10] [ 7547.344753][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7547.344753][ T10] netdev_get_by_index+0x5e/0x80 [ 7547.344753][ T10] fib6_nh_init+0x3d8/0x1580 [ 7547.344753][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7547.344753][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7547.344753][ T10] ipv6_add_addr+0x411/0x2000 [ 7547.344753][ T10] inet6_addr_add+0x30e/0xa40 [ 7547.344753][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7547.344753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7547.344753][ T10] netlink_rcv_skb+0x130/0x360 [ 7547.344753][ T10] netlink_unicast+0x449/0x710 [ 7547.344753][ T10] netlink_sendmsg+0x723/0xbe0 [ 7547.344753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7547.344753][ T10] ___sys_sendmsg+0xee/0x170 [ 7547.344753][ T10] __sys_sendmsg+0xcd/0x170 [ 7547.344753][ T10] do_syscall_64+0xc6/0x1e0 [ 7547.344753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7547.344753][ T10] [ 7547.346741][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7547.346741][ T10] netdev_get_by_index+0x5e/0x80 [ 7547.346741][ T10] fib6_nh_init+0x3d8/0x1580 [ 7547.346741][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7547.346741][ T10] ip6_route_add+0x1c/0x140 [ 7547.346741][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7547.346741][ T10] addrconf_add_dev+0xe2/0x170 [ 7547.346741][ T10] inet6_addr_add+0x12f/0xa40 [ 7547.346741][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7547.346741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7547.346741][ T10] netlink_rcv_skb+0x130/0x360 [ 7547.346741][ T10] netlink_unicast+0x449/0x710 [ 7547.346741][ T10] netlink_sendmsg+0x723/0xbe0 [ 7547.346741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7547.346741][ T10] ___sys_sendmsg+0xee/0x170 [ 7547.346741][ T10] __sys_sendmsg+0xcd/0x170 [ 7547.346741][ T10] do_syscall_64+0xc6/0x1e0 [ 7547.346741][ T10] [ 7547.348700][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7547.348700][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7547.348700][ T10] ipv6_find_idev+0x102/0x170 [ 7547.348700][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7547.348700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7547.348700][ T10] netlink_rcv_skb+0x130/0x360 [ 7547.348700][ T10] netlink_unicast+0x449/0x710 [ 7547.348700][ T10] netlink_sendmsg+0x723/0xbe0 [ 7547.348700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7547.348700][ T10] ___sys_sendmsg+0xee/0x170 [ 7547.348700][ T10] __sys_sendmsg+0xcd/0x170 [ 7547.348700][ T10] do_syscall_64+0xc6/0x1e0 [ 7547.348700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7547.348700][ T10] [ 7547.350230][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7547.350230][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7547.350230][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7547.350230][ T10] ipv6_find_idev+0x102/0x170 [ 7547.350230][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7547.350230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7547.350230][ T10] netlink_rcv_skb+0x130/0x360 [ 7547.350230][ T10] netlink_unicast+0x449/0x710 [ 7547.350230][ T10] netlink_sendmsg+0x723/0xbe0 [ 7547.350230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7547.350230][ T10] ___sys_sendmsg+0xee/0x170 [ 7547.350230][ T10] __sys_sendmsg+0xcd/0x170 [ 7547.350230][ T10] do_syscall_64+0xc6/0x1e0 [ 7547.350230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7547.350230][ T10] [ 7547.351901][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7547.352144][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7547.352144][ T10] netdev_get_by_index+0x5e/0x80 [ 7547.352144][ T10] fib6_nh_init+0x3d8/0x1580 [ 7547.352144][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7547.352144][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7547.352144][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7547.352144][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7547.352144][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7547.352144][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7547.352144][ T10] addrconf_dad_begin+0x310/0x670 [ 7547.352144][ T10] addrconf_dad_work+0x10b/0xab0 [ 7547.352144][ T10] process_one_work+0x84d/0x18a0 [ 7547.352144][ T10] worker_thread+0x587/0xd30 [ 7547.352144][ T10] kthread+0x28a/0x350 [ 7547.352144][ T10] ret_from_fork+0x31/0x70 [ 7547.352144][ T10] ret_from_fork_asm+0x1a/0x30 [ 7547.352144][ T10] [ 7547.354057][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7547.354057][ T10] netdev_get_by_index+0x5e/0x80 [ 7547.354057][ T10] fib6_nh_init+0x3d8/0x1580 [ 7547.354057][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7547.354057][ T10] ip6_route_add+0x1c/0x140 [ 7547.354057][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7547.354057][ T10] inet6_addr_add+0x4f8/0xa40 [ 7547.354057][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7547.354057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7547.354057][ T10] netlink_rcv_skb+0x130/0x360 [ 7547.354057][ T10] netlink_unicast+0x449/0x710 [ 7547.354057][ T10] netlink_sendmsg+0x723/0xbe0 [ 7547.354057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7547.354057][ T10] ___sys_sendmsg+0xee/0x170 [ 7547.354057][ T10] __sys_sendmsg+0xcd/0x170 [ 7547.354057][ T10] do_syscall_64+0xc6/0x1e0 [ 7547.354057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7547.354057][ T10] [ 7547.356173][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7547.356173][ T10] netdev_get_by_index+0x5e/0x80 [ 7547.356173][ T10] fib6_nh_init+0x3d8/0x1580 [ 7547.356173][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7547.356173][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7547.356173][ T10] ipv6_add_addr+0x411/0x2000 [ 7547.356173][ T10] inet6_addr_add+0x30e/0xa40 [ 7547.356173][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7547.356173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7547.356173][ T10] netlink_rcv_skb+0x130/0x360 [ 7547.356173][ T10] netlink_unicast+0x449/0x710 [ 7547.356173][ T10] netlink_sendmsg+0x723/0xbe0 [ 7547.356173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7547.356173][ T10] ___sys_sendmsg+0xee/0x170 [ 7547.356173][ T10] __sys_sendmsg+0xcd/0x170 [ 7547.356173][ T10] do_syscall_64+0xc6/0x1e0 [ 7547.356173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7547.356173][ T10] [ 7547.358358][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7547.358358][ T10] netdev_get_by_index+0x5e/0x80 [ 7547.358358][ T10] fib6_nh_init+0x3d8/0x1580 [ 7547.358358][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7547.358358][ T10] ip6_route_add+0x1c/0x140 [ 7547.358358][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7547.358358][ T10] addrconf_add_dev+0xe2/0x170 [ 7547.358358][ T10] inet6_addr_add+0x12f/0xa40 [ 7547.358358][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7547.358358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7547.358358][ T10] netlink_rcv_skb+0x130/0x360 [ 7547.358358][ T10] netlink_unicast+0x449/0x710 [ 7547.358358][ T10] netlink_sendmsg+0x723/0xbe0 [ 7547.358358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7547.358358][ T10] ___sys_sendmsg+0xee/0x170 [ 7547.358358][ T10] __sys_sendmsg+0xcd/0x170 [ 7547.358358][ T10] do_syscall_64+0xc6/0x1e0 [ 7547.358358][ T10] [ 7547.360473][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7547.360473][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7547.360473][ T10] ipv6_find_idev+0x102/0x170 [ 7547.360473][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7547.360473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7547.360473][ T10] netlink_rcv_skb+0x130/0x360 [ 7547.360473][ T10] netlink_unicast+0x449/0x710 [ 7547.360473][ T10] netlink_sendmsg+0x723/0xbe0 [ 7547.360473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7547.360473][ T10] ___sys_sendmsg+0xee/0x170 [ 7547.360473][ T10] __sys_sendmsg+0xcd/0x170 [ 7547.360473][ T10] do_syscall_64+0xc6/0x1e0 [ 7547.360473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7547.360473][ T10] [ 7547.362074][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7547.362074][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7547.362074][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7547.362074][ T10] ipv6_find_idev+0x102/0x170 [ 7547.362074][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7547.362074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7547.362074][ T10] netlink_rcv_skb+0x130/0x360 [ 7547.362074][ T10] netlink_unicast+0x449/0x710 [ 7547.362074][ T10] netlink_sendmsg+0x723/0xbe0 [ 7547.362074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7547.362074][ T10] ___sys_sendmsg+0xee/0x170 [ 7547.362074][ T10] __sys_sendmsg+0xcd/0x170 [ 7547.362074][ T10] do_syscall_64+0xc6/0x1e0 [ 7547.362074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7547.362074][ T10] [ 7547.363836][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7547.364590][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7547.364590][ T10] netdev_get_by_index+0x5e/0x80 [ 7547.364590][ T10] fib6_nh_init+0x3d8/0x1580 [ 7547.364590][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7547.364590][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7547.364590][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7547.364590][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7547.364590][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7547.364590][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7547.364590][ T10] addrconf_dad_begin+0x310/0x670 [ 7547.364590][ T10] addrconf_dad_work+0x10b/0xab0 [ 7547.364590][ T10] process_one_work+0x84d/0x18a0 [ 7547.364590][ T10] worker_thread+0x587/0xd30 [ 7547.364590][ T10] kthread+0x28a/0x350 [ 7547.364590][ T10] ret_from_fork+0x31/0x70 [ 7547.364590][ T10] ret_from_fork_asm+0x1a/0x30 [ 7547.364590][ T10] [ 7547.366505][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7547.366505][ T10] netdev_get_by_index+0x5e/0x80 [ 7547.366505][ T10] fib6_nh_init+0x3d8/0x1580 [ 7547.366505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7547.366505][ T10] ip6_route_add+0x1c/0x140 [ 7547.366505][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7547.366505][ T10] inet6_addr_add+0x4f8/0xa40 [ 7547.366505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7547.366505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7547.366505][ T10] netlink_rcv_skb+0x130/0x360 [ 7547.366505][ T10] netlink_unicast+0x449/0x710 [ 7547.366505][ T10] netlink_sendmsg+0x723/0xbe0 [ 7547.366505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7547.366505][ T10] ___sys_sendmsg+0xee/0x170 [ 7547.366505][ T10] __sys_sendmsg+0xcd/0x170 [ 7547.366505][ T10] do_syscall_64+0xc6/0x1e0 [ 7547.366505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7547.366505][ T10] [ 7547.368489][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7547.368489][ T10] netdev_get_by_index+0x5e/0x80 [ 7547.368489][ T10] fib6_nh_init+0x3d8/0x1580 [ 7547.368489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7547.368489][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7547.368489][ T10] ipv6_add_addr+0x411/0x2000 [ 7547.368489][ T10] inet6_addr_add+0x30e/0xa40 [ 7547.368489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7547.368489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7547.368489][ T10] netlink_rcv_skb+0x130/0x360 [ 7547.368489][ T10] netlink_unicast+0x449/0x710 [ 7547.368489][ T10] netlink_sendmsg+0x723/0xbe0 [ 7547.368489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7547.368489][ T10] ___sys_sendmsg+0xee/0x170 [ 7547.368489][ T10] __sys_sendmsg+0xcd/0x170 [ 7547.368489][ T10] do_syscall_64+0xc6/0x1e0 [ 7547.368489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7547.368489][ T10] [ 7547.370676][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7547.370676][ T10] netdev_get_by_index+0x5e/0x80 [ 7547.370676][ T10] fib6_nh_init+0x3d8/0x1580 [ 7547.370676][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7547.370676][ T10] ip6_route_add+0x1c/0x140 [ 7547.370676][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7547.370676][ T10] addrconf_add_dev+0xe2/0x170 [ 7547.370676][ T10] inet6_addr_add+0x12f/0xa40 [ 7547.370676][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7547.370676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7547.370676][ T10] netlink_rcv_skb+0x130/0x360 [ 7547.370676][ T10] netlink_unicast+0x449/0x710 [ 7547.370676][ T10] netlink_sendmsg+0x723/0xbe0 [ 7547.370676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7547.370676][ T10] ___sys_sendmsg+0xee/0x170 [ 7547.370676][ T10] __sys_sendmsg+0xcd/0x170 [ 7547.370676][ T10] do_syscall_64+0xc6/0x1e0 [ 7547.370676][ T10] [ 7547.372780][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7547.372780][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7547.372780][ T10] ipv6_find_idev+0x102/0x170 [ 7547.372780][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7547.372780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7547.372780][ T10] netlink_rcv_skb+0x130/0x360 [ 7547.372780][ T10] netlink_unicast+0x449/0x710 [ 7547.372780][ T10] netlink_sendmsg+0x723/0xbe0 [ 7547.372780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7547.372780][ T10] ___sys_sendmsg+0xee/0x170 [ 7547.372780][ T10] __sys_sendmsg+0xcd/0x170 [ 7547.372780][ T10] do_syscall_64+0xc6/0x1e0 [ 7547.372780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7547.372780][ T10] [ 7547.374373][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7547.374373][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7547.374373][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7547.374373][ T10] ipv6_find_idev+0x102/0x170 [ 7547.374373][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7547.374373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7547.374373][ T10] netlink_rcv_skb+0x130/0x360 [ 7547.374373][ T10] netlink_unicast+0x449/0x710 [ 7547.374373][ T10] netlink_sendmsg+0x723/0xbe0 [ 7547.374373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7547.374373][ T10] ___sys_sendmsg+0xee/0x170 [ 7547.374373][ T10] __sys_sendmsg+0xcd/0x170 [ 7547.374373][ T10] do_syscall_64+0xc6/0x1e0 [ 7547.374373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7547.374373][ T10] [ 7550.505115][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7550.505611][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7550.505611][ T1167] dst_init+0x84/0x4a0 [ 7550.505611][ T1167] dst_alloc+0x97/0x150 [ 7550.505611][ T1167] ip6_dst_alloc+0x23/0x90 [ 7550.505611][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7550.505611][ T1167] ip6_pol_route+0x56f/0x840 [ 7550.505611][ T1167] fib6_rule_lookup+0x334/0x630 [ 7550.505611][ T1167] ip6_route_output_flags+0x259/0x480 [ 7550.505611][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7550.505611][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7550.505611][ T1167] netlink_rcv_skb+0x130/0x360 [ 7550.505611][ T1167] netlink_unicast+0x449/0x710 [ 7550.505611][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7550.505611][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7550.505611][ T1167] ___sys_sendmsg+0xee/0x170 [ 7550.505611][ T1167] __sys_sendmsg+0xcd/0x170 [ 7550.505611][ T1167] do_syscall_64+0xc6/0x1e0 [ 7550.505611][ T1167] [ 7550.507803][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7550.507803][ T1167] netdev_get_by_index+0x5e/0x80 [ 7550.507803][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7550.507803][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7550.507803][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7550.507803][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7550.507803][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7550.507803][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7550.507803][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7550.507803][ T1167] addrconf_dad_begin+0x310/0x670 [ 7550.507803][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7550.507803][ T1167] process_one_work+0x84d/0x18a0 [ 7550.507803][ T1167] worker_thread+0x587/0xd30 [ 7550.507803][ T1167] kthread+0x28a/0x350 [ 7550.507803][ T1167] ret_from_fork+0x31/0x70 [ 7550.507803][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7550.507803][ T1167] [ 7550.509945][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7550.509945][ T1167] netdev_get_by_index+0x5e/0x80 [ 7550.509945][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7550.509945][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7550.509945][ T1167] ip6_route_add+0x1c/0x140 [ 7550.509945][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7550.509945][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7550.509945][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7550.509945][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7550.509945][ T1167] netlink_rcv_skb+0x130/0x360 [ 7550.509945][ T1167] netlink_unicast+0x449/0x710 [ 7550.509945][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7550.509945][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7550.509945][ T1167] ___sys_sendmsg+0xee/0x170 [ 7550.509945][ T1167] __sys_sendmsg+0xcd/0x170 [ 7550.509945][ T1167] do_syscall_64+0xc6/0x1e0 [ 7550.509945][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7550.509945][ T1167] [ 7550.512272][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7550.512272][ T1167] netdev_get_by_index+0x5e/0x80 [ 7550.512272][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7550.512272][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7550.512272][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7550.512272][ T1167] ipv6_add_addr+0x411/0x2000 [ 7550.512272][ T1167] inet6_addr_add+0x30e/0xa40 [ 7550.512272][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7550.512272][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7550.512272][ T1167] netlink_rcv_skb+0x130/0x360 [ 7550.512272][ T1167] netlink_unicast+0x449/0x710 [ 7550.512272][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7550.512272][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7550.512272][ T1167] ___sys_sendmsg+0xee/0x170 [ 7550.512272][ T1167] __sys_sendmsg+0xcd/0x170 [ 7550.512272][ T1167] do_syscall_64+0xc6/0x1e0 [ 7550.512272][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7550.512272][ T1167] [ 7550.514544][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7550.514544][ T1167] netdev_get_by_index+0x5e/0x80 [ 7550.514544][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7550.514544][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7550.514544][ T1167] ip6_route_add+0x1c/0x140 [ 7550.514544][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7550.514544][ T1167] addrconf_add_dev+0xe2/0x170 [ 7550.514544][ T1167] inet6_addr_add+0x12f/0xa40 [ 7550.514544][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7550.514544][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7550.514544][ T1167] netlink_rcv_skb+0x130/0x360 [ 7550.514544][ T1167] netlink_unicast+0x449/0x710 [ 7550.514544][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7550.514544][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7550.514544][ T1167] ___sys_sendmsg+0xee/0x170 [ 7550.514544][ T1167] __sys_sendmsg+0xcd/0x170 [ 7550.514544][ T1167] do_syscall_64+0xc6/0x1e0 [ 7550.514544][ T1167] [ 7550.516749][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7550.516749][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7550.516749][ T1167] ipv6_find_idev+0x102/0x170 [ 7550.516749][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7550.516749][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7550.516749][ T1167] netlink_rcv_skb+0x130/0x360 [ 7550.516749][ T1167] netlink_unicast+0x449/0x710 [ 7550.516749][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7550.516749][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7550.516749][ T1167] ___sys_sendmsg+0xee/0x170 [ 7550.516749][ T1167] __sys_sendmsg+0xcd/0x170 [ 7550.516749][ T1167] do_syscall_64+0xc6/0x1e0 [ 7550.516749][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7550.516749][ T1167] [ 7550.518486][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7550.518486][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7550.518486][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7550.518486][ T1167] ipv6_find_idev+0x102/0x170 [ 7550.518486][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7550.518486][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7550.518486][ T1167] netlink_rcv_skb+0x130/0x360 [ 7550.518486][ T1167] netlink_unicast+0x449/0x710 [ 7550.518486][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7550.518486][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7550.518486][ T1167] ___sys_sendmsg+0xee/0x170 [ 7550.518486][ T1167] __sys_sendmsg+0xcd/0x170 [ 7550.518486][ T1167] do_syscall_64+0xc6/0x1e0 [ 7550.518486][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7550.518486][ T1167] [ 7557.625153][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7557.625597][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7557.625597][ T10] netdev_get_by_index+0x5e/0x80 [ 7557.625597][ T10] fib6_nh_init+0x3d8/0x1580 [ 7557.625597][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7557.625597][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7557.625597][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7557.625597][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7557.625597][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7557.625597][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7557.625597][ T10] addrconf_dad_begin+0x310/0x670 [ 7557.625597][ T10] addrconf_dad_work+0x10b/0xab0 [ 7557.625597][ T10] process_one_work+0x84d/0x18a0 [ 7557.625597][ T10] worker_thread+0x587/0xd30 [ 7557.625597][ T10] kthread+0x28a/0x350 [ 7557.625597][ T10] ret_from_fork+0x31/0x70 [ 7557.625597][ T10] ret_from_fork_asm+0x1a/0x30 [ 7557.625597][ T10] [ 7557.627550][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7557.627550][ T10] netdev_get_by_index+0x5e/0x80 [ 7557.627550][ T10] fib6_nh_init+0x3d8/0x1580 [ 7557.627550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7557.627550][ T10] ip6_route_add+0x1c/0x140 [ 7557.627550][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7557.627550][ T10] inet6_addr_add+0x4f8/0xa40 [ 7557.627550][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7557.627550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7557.627550][ T10] netlink_rcv_skb+0x130/0x360 [ 7557.627550][ T10] netlink_unicast+0x449/0x710 [ 7557.627550][ T10] netlink_sendmsg+0x723/0xbe0 [ 7557.627550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7557.627550][ T10] ___sys_sendmsg+0xee/0x170 [ 7557.627550][ T10] __sys_sendmsg+0xcd/0x170 [ 7557.627550][ T10] do_syscall_64+0xc6/0x1e0 [ 7557.627550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7557.627550][ T10] [ 7557.629565][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7557.629565][ T10] netdev_get_by_index+0x5e/0x80 [ 7557.629565][ T10] fib6_nh_init+0x3d8/0x1580 [ 7557.629565][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7557.629565][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7557.629565][ T10] ipv6_add_addr+0x411/0x2000 [ 7557.629565][ T10] inet6_addr_add+0x30e/0xa40 [ 7557.629565][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7557.629565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7557.629565][ T10] netlink_rcv_skb+0x130/0x360 [ 7557.629565][ T10] netlink_unicast+0x449/0x710 [ 7557.629565][ T10] netlink_sendmsg+0x723/0xbe0 [ 7557.629565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7557.629565][ T10] ___sys_sendmsg+0xee/0x170 [ 7557.629565][ T10] __sys_sendmsg+0xcd/0x170 [ 7557.629565][ T10] do_syscall_64+0xc6/0x1e0 [ 7557.629565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7557.629565][ T10] [ 7557.631585][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7557.631585][ T10] netdev_get_by_index+0x5e/0x80 [ 7557.631585][ T10] fib6_nh_init+0x3d8/0x1580 [ 7557.631585][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7557.631585][ T10] ip6_route_add+0x1c/0x140 [ 7557.631585][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7557.631585][ T10] addrconf_add_dev+0xe2/0x170 [ 7557.631585][ T10] inet6_addr_add+0x12f/0xa40 [ 7557.631585][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7557.631585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7557.631585][ T10] netlink_rcv_skb+0x130/0x360 [ 7557.631585][ T10] netlink_unicast+0x449/0x710 [ 7557.631585][ T10] netlink_sendmsg+0x723/0xbe0 [ 7557.631585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7557.631585][ T10] ___sys_sendmsg+0xee/0x170 [ 7557.631585][ T10] __sys_sendmsg+0xcd/0x170 [ 7557.631585][ T10] do_syscall_64+0xc6/0x1e0 [ 7557.631585][ T10] [ 7557.633566][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7557.633566][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7557.633566][ T10] ipv6_find_idev+0x102/0x170 [ 7557.633566][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7557.633566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7557.633566][ T10] netlink_rcv_skb+0x130/0x360 [ 7557.633566][ T10] netlink_unicast+0x449/0x710 [ 7557.633566][ T10] netlink_sendmsg+0x723/0xbe0 [ 7557.633566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7557.633566][ T10] ___sys_sendmsg+0xee/0x170 [ 7557.633566][ T10] __sys_sendmsg+0xcd/0x170 [ 7557.633566][ T10] do_syscall_64+0xc6/0x1e0 [ 7557.633566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7557.633566][ T10] [ 7557.635114][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7557.635114][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7557.635114][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7557.635114][ T10] ipv6_find_idev+0x102/0x170 [ 7557.635114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7557.635114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7557.635114][ T10] netlink_rcv_skb+0x130/0x360 [ 7557.635114][ T10] netlink_unicast+0x449/0x710 [ 7557.635114][ T10] netlink_sendmsg+0x723/0xbe0 [ 7557.635114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7557.635114][ T10] ___sys_sendmsg+0xee/0x170 [ 7557.635114][ T10] __sys_sendmsg+0xcd/0x170 [ 7557.635114][ T10] do_syscall_64+0xc6/0x1e0 [ 7557.635114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7557.635114][ T10] [ 7557.636819][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7557.637080][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7557.637080][ T10] netdev_get_by_index+0x5e/0x80 [ 7557.637080][ T10] fib6_nh_init+0x3d8/0x1580 [ 7557.637080][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7557.637080][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7557.637080][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7557.637080][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7557.637080][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7557.637080][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7557.637080][ T10] addrconf_dad_begin+0x310/0x670 [ 7557.637080][ T10] addrconf_dad_work+0x10b/0xab0 [ 7557.637080][ T10] process_one_work+0x84d/0x18a0 [ 7557.637080][ T10] worker_thread+0x587/0xd30 [ 7557.637080][ T10] kthread+0x28a/0x350 [ 7557.637080][ T10] ret_from_fork+0x31/0x70 [ 7557.637080][ T10] ret_from_fork_asm+0x1a/0x30 [ 7557.637080][ T10] [ 7557.639360][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7557.639360][ T10] netdev_get_by_index+0x5e/0x80 [ 7557.639360][ T10] fib6_nh_init+0x3d8/0x1580 [ 7557.639360][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7557.639360][ T10] ip6_route_add+0x1c/0x140 [ 7557.639360][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7557.639360][ T10] inet6_addr_add+0x4f8/0xa40 [ 7557.639360][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7557.639360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7557.639360][ T10] netlink_rcv_skb+0x130/0x360 [ 7557.639360][ T10] netlink_unicast+0x449/0x710 [ 7557.639360][ T10] netlink_sendmsg+0x723/0xbe0 [ 7557.639360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7557.639360][ T10] ___sys_sendmsg+0xee/0x170 [ 7557.639360][ T10] __sys_sendmsg+0xcd/0x170 [ 7557.639360][ T10] do_syscall_64+0xc6/0x1e0 [ 7557.639360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7557.639360][ T10] [ 7557.642354][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7557.642354][ T10] netdev_get_by_index+0x5e/0x80 [ 7557.642354][ T10] fib6_nh_init+0x3d8/0x1580 [ 7557.642354][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7557.642354][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7557.642354][ T10] ipv6_add_addr+0x411/0x2000 [ 7557.642354][ T10] inet6_addr_add+0x30e/0xa40 [ 7557.642354][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7557.642354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7557.642354][ T10] netlink_rcv_skb+0x130/0x360 [ 7557.642354][ T10] netlink_unicast+0x449/0x710 [ 7557.642354][ T10] netlink_sendmsg+0x723/0xbe0 [ 7557.642354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7557.642354][ T10] ___sys_sendmsg+0xee/0x170 [ 7557.642354][ T10] __sys_sendmsg+0xcd/0x170 [ 7557.642354][ T10] do_syscall_64+0xc6/0x1e0 [ 7557.642354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7557.642354][ T10] [ 7557.645436][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7557.645436][ T10] netdev_get_by_index+0x5e/0x80 [ 7557.645436][ T10] fib6_nh_init+0x3d8/0x1580 [ 7557.645436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7557.645436][ T10] ip6_route_add+0x1c/0x140 [ 7557.645436][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7557.645436][ T10] addrconf_add_dev+0xe2/0x170 [ 7557.645436][ T10] inet6_addr_add+0x12f/0xa40 [ 7557.645436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7557.645436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7557.645436][ T10] netlink_rcv_skb+0x130/0x360 [ 7557.645436][ T10] netlink_unicast+0x449/0x710 [ 7557.645436][ T10] netlink_sendmsg+0x723/0xbe0 [ 7557.645436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7557.645436][ T10] ___sys_sendmsg+0xee/0x170 [ 7557.645436][ T10] __sys_sendmsg+0xcd/0x170 [ 7557.645436][ T10] do_syscall_64+0xc6/0x1e0 [ 7557.645436][ T10] [ 7557.648531][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7557.648531][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7557.648531][ T10] ipv6_find_idev+0x102/0x170 [ 7557.648531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7557.648531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7557.648531][ T10] netlink_rcv_skb+0x130/0x360 [ 7557.648531][ T10] netlink_unicast+0x449/0x710 [ 7557.648531][ T10] netlink_sendmsg+0x723/0xbe0 [ 7557.648531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7557.648531][ T10] ___sys_sendmsg+0xee/0x170 [ 7557.648531][ T10] __sys_sendmsg+0xcd/0x170 [ 7557.648531][ T10] do_syscall_64+0xc6/0x1e0 [ 7557.648531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7557.648531][ T10] [ 7557.650938][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7557.650938][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7557.650938][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7557.650938][ T10] ipv6_find_idev+0x102/0x170 [ 7557.650938][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7557.650938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7557.650938][ T10] netlink_rcv_skb+0x130/0x360 [ 7557.650938][ T10] netlink_unicast+0x449/0x710 [ 7557.650938][ T10] netlink_sendmsg+0x723/0xbe0 [ 7557.650938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7557.650938][ T10] ___sys_sendmsg+0xee/0x170 [ 7557.650938][ T10] __sys_sendmsg+0xcd/0x170 [ 7557.650938][ T10] do_syscall_64+0xc6/0x1e0 [ 7557.650938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7557.650938][ T10] [ 7557.653560][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7557.653923][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7557.653923][ T10] netdev_get_by_index+0x5e/0x80 [ 7557.653923][ T10] fib6_nh_init+0x3d8/0x1580 [ 7557.653923][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7557.653923][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7557.653923][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7557.653923][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7557.653923][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7557.653923][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7557.653923][ T10] addrconf_dad_begin+0x310/0x670 [ 7557.653923][ T10] addrconf_dad_work+0x10b/0xab0 [ 7557.653923][ T10] process_one_work+0x84d/0x18a0 [ 7557.653923][ T10] worker_thread+0x587/0xd30 [ 7557.653923][ T10] kthread+0x28a/0x350 [ 7557.653923][ T10] ret_from_fork+0x31/0x70 [ 7557.653923][ T10] ret_from_fork_asm+0x1a/0x30 [ 7557.653923][ T10] [ 7557.656930][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7557.656930][ T10] netdev_get_by_index+0x5e/0x80 [ 7557.656930][ T10] fib6_nh_init+0x3d8/0x1580 [ 7557.656930][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7557.656930][ T10] ip6_route_add+0x1c/0x140 [ 7557.656930][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7557.656930][ T10] inet6_addr_add+0x4f8/0xa40 [ 7557.656930][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7557.656930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7557.656930][ T10] netlink_rcv_skb+0x130/0x360 [ 7557.656930][ T10] netlink_unicast+0x449/0x710 [ 7557.656930][ T10] netlink_sendmsg+0x723/0xbe0 [ 7557.656930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7557.656930][ T10] ___sys_sendmsg+0xee/0x170 [ 7557.656930][ T10] __sys_sendmsg+0xcd/0x170 [ 7557.656930][ T10] do_syscall_64+0xc6/0x1e0 [ 7557.656930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7557.656930][ T10] [ 7557.660539][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7557.660539][ T10] netdev_get_by_index+0x5e/0x80 [ 7557.660539][ T10] fib6_nh_init+0x3d8/0x1580 [ 7557.660539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7557.660539][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7557.660539][ T10] ipv6_add_addr+0x411/0x2000 [ 7557.660539][ T10] inet6_addr_add+0x30e/0xa40 [ 7557.660539][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7557.660539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7557.660539][ T10] netlink_rcv_skb+0x130/0x360 [ 7557.660539][ T10] netlink_unicast+0x449/0x710 [ 7557.660539][ T10] netlink_sendmsg+0x723/0xbe0 [ 7557.660539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7557.660539][ T10] ___sys_sendmsg+0xee/0x170 [ 7557.660539][ T10] __sys_sendmsg+0xcd/0x170 [ 7557.660539][ T10] do_syscall_64+0xc6/0x1e0 [ 7557.660539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7557.660539][ T10] [ 7557.663977][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7557.663977][ T10] netdev_get_by_index+0x5e/0x80 [ 7557.663977][ T10] fib6_nh_init+0x3d8/0x1580 [ 7557.663977][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7557.663977][ T10] ip6_route_add+0x1c/0x140 [ 7557.663977][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7557.663977][ T10] addrconf_add_dev+0xe2/0x170 [ 7557.663977][ T10] inet6_addr_add+0x12f/0xa40 [ 7557.663977][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7557.663977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7557.663977][ T10] netlink_rcv_skb+0x130/0x360 [ 7557.663977][ T10] netlink_unicast+0x449/0x710 [ 7557.663977][ T10] netlink_sendmsg+0x723/0xbe0 [ 7557.663977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7557.663977][ T10] ___sys_sendmsg+0xee/0x170 [ 7557.663977][ T10] __sys_sendmsg+0xcd/0x170 [ 7557.663977][ T10] do_syscall_64+0xc6/0x1e0 [ 7557.663977][ T10] [ 7557.667357][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7557.667357][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7557.667357][ T10] ipv6_find_idev+0x102/0x170 [ 7557.667357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7557.667357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7557.667357][ T10] netlink_rcv_skb+0x130/0x360 [ 7557.667357][ T10] netlink_unicast+0x449/0x710 [ 7557.667357][ T10] netlink_sendmsg+0x723/0xbe0 [ 7557.667357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7557.667357][ T10] ___sys_sendmsg+0xee/0x170 [ 7557.667357][ T10] __sys_sendmsg+0xcd/0x170 [ 7557.667357][ T10] do_syscall_64+0xc6/0x1e0 [ 7557.667357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7557.667357][ T10] [ 7557.670097][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7557.670097][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7557.670097][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7557.670097][ T10] ipv6_find_idev+0x102/0x170 [ 7557.670097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7557.670097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7557.670097][ T10] netlink_rcv_skb+0x130/0x360 [ 7557.670097][ T10] netlink_unicast+0x449/0x710 [ 7557.670097][ T10] netlink_sendmsg+0x723/0xbe0 [ 7557.670097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7557.670097][ T10] ___sys_sendmsg+0xee/0x170 [ 7557.670097][ T10] __sys_sendmsg+0xcd/0x170 [ 7557.670097][ T10] do_syscall_64+0xc6/0x1e0 [ 7557.670097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7557.670097][ T10] [ 7557.673170][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7557.673551][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7557.673551][ T10] netdev_get_by_index+0x5e/0x80 [ 7557.673551][ T10] fib6_nh_init+0x3d8/0x1580 [ 7557.673551][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7557.673551][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7557.673551][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7557.673551][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7557.673551][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7557.673551][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7557.673551][ T10] addrconf_dad_begin+0x310/0x670 [ 7557.673551][ T10] addrconf_dad_work+0x10b/0xab0 [ 7557.673551][ T10] process_one_work+0x84d/0x18a0 [ 7557.673551][ T10] worker_thread+0x587/0xd30 [ 7557.673551][ T10] kthread+0x28a/0x350 [ 7557.673551][ T10] ret_from_fork+0x31/0x70 [ 7557.673551][ T10] ret_from_fork_asm+0x1a/0x30 [ 7557.673551][ T10] [ 7557.677065][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7557.677065][ T10] netdev_get_by_index+0x5e/0x80 [ 7557.677065][ T10] fib6_nh_init+0x3d8/0x1580 [ 7557.677065][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7557.677065][ T10] ip6_route_add+0x1c/0x140 [ 7557.677065][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7557.677065][ T10] inet6_addr_add+0x4f8/0xa40 [ 7557.677065][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7557.677065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7557.677065][ T10] netlink_rcv_skb+0x130/0x360 [ 7557.677065][ T10] netlink_unicast+0x449/0x710 [ 7557.677065][ T10] netlink_sendmsg+0x723/0xbe0 [ 7557.677065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7557.677065][ T10] ___sys_sendmsg+0xee/0x170 [ 7557.677065][ T10] __sys_sendmsg+0xcd/0x170 [ 7557.677065][ T10] do_syscall_64+0xc6/0x1e0 [ 7557.677065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7557.677065][ T10] [ 7557.680544][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7557.680544][ T10] netdev_get_by_index+0x5e/0x80 [ 7557.680544][ T10] fib6_nh_init+0x3d8/0x1580 [ 7557.680544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7557.680544][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7557.680544][ T10] ipv6_add_addr+0x411/0x2000 [ 7557.680544][ T10] inet6_addr_add+0x30e/0xa40 [ 7557.680544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7557.680544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7557.680544][ T10] netlink_rcv_skb+0x130/0x360 [ 7557.680544][ T10] netlink_unicast+0x449/0x710 [ 7557.680544][ T10] netlink_sendmsg+0x723/0xbe0 [ 7557.680544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7557.680544][ T10] ___sys_sendmsg+0xee/0x170 [ 7557.680544][ T10] __sys_sendmsg+0xcd/0x170 [ 7557.680544][ T10] do_syscall_64+0xc6/0x1e0 [ 7557.680544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7557.680544][ T10] [ 7557.684130][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7557.684130][ T10] netdev_get_by_index+0x5e/0x80 [ 7557.684130][ T10] fib6_nh_init+0x3d8/0x1580 [ 7557.684130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7557.684130][ T10] ip6_route_add+0x1c/0x140 [ 7557.684130][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7557.684130][ T10] addrconf_add_dev+0xe2/0x170 [ 7557.684130][ T10] inet6_addr_add+0x12f/0xa40 [ 7557.684130][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7557.684130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7557.684130][ T10] netlink_rcv_skb+0x130/0x360 [ 7557.684130][ T10] netlink_unicast+0x449/0x710 [ 7557.684130][ T10] netlink_sendmsg+0x723/0xbe0 [ 7557.684130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7557.684130][ T10] ___sys_sendmsg+0xee/0x170 [ 7557.684130][ T10] __sys_sendmsg+0xcd/0x170 [ 7557.684130][ T10] do_syscall_64+0xc6/0x1e0 [ 7557.684130][ T10] [ 7557.687535][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7557.687535][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7557.687535][ T10] ipv6_find_idev+0x102/0x170 [ 7557.687535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7557.687535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7557.687535][ T10] netlink_rcv_skb+0x130/0x360 [ 7557.687535][ T10] netlink_unicast+0x449/0x710 [ 7557.687535][ T10] netlink_sendmsg+0x723/0xbe0 [ 7557.687535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7557.687535][ T10] ___sys_sendmsg+0xee/0x170 [ 7557.687535][ T10] __sys_sendmsg+0xcd/0x170 [ 7557.687535][ T10] do_syscall_64+0xc6/0x1e0 [ 7557.687535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7557.687535][ T10] [ 7557.690310][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7557.690310][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7557.690310][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7557.690310][ T10] ipv6_find_idev+0x102/0x170 [ 7557.690310][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7557.690310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7557.690310][ T10] netlink_rcv_skb+0x130/0x360 [ 7557.690310][ T10] netlink_unicast+0x449/0x710 [ 7557.690310][ T10] netlink_sendmsg+0x723/0xbe0 [ 7557.690310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7557.690310][ T10] ___sys_sendmsg+0xee/0x170 [ 7557.690310][ T10] __sys_sendmsg+0xcd/0x170 [ 7557.690310][ T10] do_syscall_64+0xc6/0x1e0 [ 7557.690310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7557.690310][ T10] [ 7560.649118][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7560.649826][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7560.649826][ T1167] dst_init+0x84/0x4a0 [ 7560.649826][ T1167] dst_alloc+0x97/0x150 [ 7560.649826][ T1167] ip6_dst_alloc+0x23/0x90 [ 7560.649826][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7560.649826][ T1167] ip6_pol_route+0x56f/0x840 [ 7560.649826][ T1167] fib6_rule_lookup+0x334/0x630 [ 7560.649826][ T1167] ip6_route_output_flags+0x259/0x480 [ 7560.649826][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7560.649826][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7560.649826][ T1167] netlink_rcv_skb+0x130/0x360 [ 7560.649826][ T1167] netlink_unicast+0x449/0x710 [ 7560.649826][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7560.649826][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7560.649826][ T1167] ___sys_sendmsg+0xee/0x170 [ 7560.649826][ T1167] __sys_sendmsg+0xcd/0x170 [ 7560.649826][ T1167] do_syscall_64+0xc6/0x1e0 [ 7560.649826][ T1167] [ 7560.653348][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7560.653348][ T1167] netdev_get_by_index+0x5e/0x80 [ 7560.653348][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7560.653348][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7560.653348][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7560.653348][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7560.653348][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7560.653348][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7560.653348][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7560.653348][ T1167] addrconf_dad_begin+0x310/0x670 [ 7560.653348][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7560.653348][ T1167] process_one_work+0x84d/0x18a0 [ 7560.653348][ T1167] worker_thread+0x587/0xd30 [ 7560.653348][ T1167] kthread+0x28a/0x350 [ 7560.653348][ T1167] ret_from_fork+0x31/0x70 [ 7560.653348][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7560.653348][ T1167] [ 7560.656713][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7560.656713][ T1167] netdev_get_by_index+0x5e/0x80 [ 7560.656713][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7560.656713][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7560.656713][ T1167] ip6_route_add+0x1c/0x140 [ 7560.656713][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7560.656713][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7560.656713][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7560.656713][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7560.656713][ T1167] netlink_rcv_skb+0x130/0x360 [ 7560.656713][ T1167] netlink_unicast+0x449/0x710 [ 7560.656713][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7560.656713][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7560.656713][ T1167] ___sys_sendmsg+0xee/0x170 [ 7560.656713][ T1167] __sys_sendmsg+0xcd/0x170 [ 7560.656713][ T1167] do_syscall_64+0xc6/0x1e0 [ 7560.656713][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7560.656713][ T1167] [ 7560.660217][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7560.660217][ T1167] netdev_get_by_index+0x5e/0x80 [ 7560.660217][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7560.660217][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7560.660217][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7560.660217][ T1167] ipv6_add_addr+0x411/0x2000 [ 7560.660217][ T1167] inet6_addr_add+0x30e/0xa40 [ 7560.660217][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7560.660217][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7560.660217][ T1167] netlink_rcv_skb+0x130/0x360 [ 7560.660217][ T1167] netlink_unicast+0x449/0x710 [ 7560.660217][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7560.660217][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7560.660217][ T1167] ___sys_sendmsg+0xee/0x170 [ 7560.660217][ T1167] __sys_sendmsg+0xcd/0x170 [ 7560.660217][ T1167] do_syscall_64+0xc6/0x1e0 [ 7560.660217][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7560.660217][ T1167] [ 7560.663747][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7560.663747][ T1167] netdev_get_by_index+0x5e/0x80 [ 7560.663747][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7560.663747][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7560.663747][ T1167] ip6_route_add+0x1c/0x140 [ 7560.663747][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7560.663747][ T1167] addrconf_add_dev+0xe2/0x170 [ 7560.663747][ T1167] inet6_addr_add+0x12f/0xa40 [ 7560.663747][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7560.663747][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7560.663747][ T1167] netlink_rcv_skb+0x130/0x360 [ 7560.663747][ T1167] netlink_unicast+0x449/0x710 [ 7560.663747][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7560.663747][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7560.663747][ T1167] ___sys_sendmsg+0xee/0x170 [ 7560.663747][ T1167] __sys_sendmsg+0xcd/0x170 [ 7560.663747][ T1167] do_syscall_64+0xc6/0x1e0 [ 7560.663747][ T1167] [ 7560.667197][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7560.667197][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7560.667197][ T1167] ipv6_find_idev+0x102/0x170 [ 7560.667197][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7560.667197][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7560.667197][ T1167] netlink_rcv_skb+0x130/0x360 [ 7560.667197][ T1167] netlink_unicast+0x449/0x710 [ 7560.667197][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7560.667197][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7560.667197][ T1167] ___sys_sendmsg+0xee/0x170 [ 7560.667197][ T1167] __sys_sendmsg+0xcd/0x170 [ 7560.667197][ T1167] do_syscall_64+0xc6/0x1e0 [ 7560.667197][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7560.667197][ T1167] [ 7560.669869][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7560.669869][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7560.669869][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7560.669869][ T1167] ipv6_find_idev+0x102/0x170 [ 7560.669869][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7560.669869][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7560.669869][ T1167] netlink_rcv_skb+0x130/0x360 [ 7560.669869][ T1167] netlink_unicast+0x449/0x710 [ 7560.669869][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7560.669869][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7560.669869][ T1167] ___sys_sendmsg+0xee/0x170 [ 7560.669869][ T1167] __sys_sendmsg+0xcd/0x170 [ 7560.669869][ T1167] do_syscall_64+0xc6/0x1e0 [ 7560.669869][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7560.669869][ T1167] [ 7567.817127][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7567.817549][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7567.817549][ T10] netdev_get_by_index+0x5e/0x80 [ 7567.817549][ T10] fib6_nh_init+0x3d8/0x1580 [ 7567.817549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7567.817549][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7567.817549][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7567.817549][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7567.817549][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7567.817549][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7567.817549][ T10] addrconf_dad_begin+0x310/0x670 [ 7567.817549][ T10] addrconf_dad_work+0x10b/0xab0 [ 7567.817549][ T10] process_one_work+0x84d/0x18a0 [ 7567.817549][ T10] worker_thread+0x587/0xd30 [ 7567.817549][ T10] kthread+0x28a/0x350 [ 7567.817549][ T10] ret_from_fork+0x31/0x70 [ 7567.817549][ T10] ret_from_fork_asm+0x1a/0x30 [ 7567.817549][ T10] [ 7567.819485][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7567.819485][ T10] netdev_get_by_index+0x5e/0x80 [ 7567.819485][ T10] fib6_nh_init+0x3d8/0x1580 [ 7567.819485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7567.819485][ T10] ip6_route_add+0x1c/0x140 [ 7567.819485][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7567.819485][ T10] inet6_addr_add+0x4f8/0xa40 [ 7567.819485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7567.819485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7567.819485][ T10] netlink_rcv_skb+0x130/0x360 [ 7567.819485][ T10] netlink_unicast+0x449/0x710 [ 7567.819485][ T10] netlink_sendmsg+0x723/0xbe0 [ 7567.819485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7567.819485][ T10] ___sys_sendmsg+0xee/0x170 [ 7567.819485][ T10] __sys_sendmsg+0xcd/0x170 [ 7567.819485][ T10] do_syscall_64+0xc6/0x1e0 [ 7567.819485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7567.819485][ T10] [ 7567.821480][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7567.821480][ T10] netdev_get_by_index+0x5e/0x80 [ 7567.821480][ T10] fib6_nh_init+0x3d8/0x1580 [ 7567.821480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7567.821480][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7567.821480][ T10] ipv6_add_addr+0x411/0x2000 [ 7567.821480][ T10] inet6_addr_add+0x30e/0xa40 [ 7567.821480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7567.821480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7567.821480][ T10] netlink_rcv_skb+0x130/0x360 [ 7567.821480][ T10] netlink_unicast+0x449/0x710 [ 7567.821480][ T10] netlink_sendmsg+0x723/0xbe0 [ 7567.821480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7567.821480][ T10] ___sys_sendmsg+0xee/0x170 [ 7567.821480][ T10] __sys_sendmsg+0xcd/0x170 [ 7567.821480][ T10] do_syscall_64+0xc6/0x1e0 [ 7567.821480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7567.821480][ T10] [ 7567.823477][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7567.823477][ T10] netdev_get_by_index+0x5e/0x80 [ 7567.823477][ T10] fib6_nh_init+0x3d8/0x1580 [ 7567.823477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7567.823477][ T10] ip6_route_add+0x1c/0x140 [ 7567.823477][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7567.823477][ T10] addrconf_add_dev+0xe2/0x170 [ 7567.823477][ T10] inet6_addr_add+0x12f/0xa40 [ 7567.823477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7567.823477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7567.823477][ T10] netlink_rcv_skb+0x130/0x360 [ 7567.823477][ T10] netlink_unicast+0x449/0x710 [ 7567.823477][ T10] netlink_sendmsg+0x723/0xbe0 [ 7567.823477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7567.823477][ T10] ___sys_sendmsg+0xee/0x170 [ 7567.823477][ T10] __sys_sendmsg+0xcd/0x170 [ 7567.823477][ T10] do_syscall_64+0xc6/0x1e0 [ 7567.823477][ T10] [ 7567.825415][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7567.825415][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7567.825415][ T10] ipv6_find_idev+0x102/0x170 [ 7567.825415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7567.825415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7567.825415][ T10] netlink_rcv_skb+0x130/0x360 [ 7567.825415][ T10] netlink_unicast+0x449/0x710 [ 7567.825415][ T10] netlink_sendmsg+0x723/0xbe0 [ 7567.825415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7567.825415][ T10] ___sys_sendmsg+0xee/0x170 [ 7567.825415][ T10] __sys_sendmsg+0xcd/0x170 [ 7567.825415][ T10] do_syscall_64+0xc6/0x1e0 [ 7567.825415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7567.825415][ T10] [ 7567.826947][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7567.826947][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7567.826947][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7567.826947][ T10] ipv6_find_idev+0x102/0x170 [ 7567.826947][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7567.826947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7567.826947][ T10] netlink_rcv_skb+0x130/0x360 [ 7567.826947][ T10] netlink_unicast+0x449/0x710 [ 7567.826947][ T10] netlink_sendmsg+0x723/0xbe0 [ 7567.826947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7567.826947][ T10] ___sys_sendmsg+0xee/0x170 [ 7567.826947][ T10] __sys_sendmsg+0xcd/0x170 [ 7567.826947][ T10] do_syscall_64+0xc6/0x1e0 [ 7567.826947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7567.826947][ T10] [ 7567.828608][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7567.828852][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7567.828852][ T10] netdev_get_by_index+0x5e/0x80 [ 7567.828852][ T10] fib6_nh_init+0x3d8/0x1580 [ 7567.828852][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7567.828852][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7567.828852][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7567.828852][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7567.828852][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7567.828852][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7567.828852][ T10] addrconf_dad_begin+0x310/0x670 [ 7567.828852][ T10] addrconf_dad_work+0x10b/0xab0 [ 7567.828852][ T10] process_one_work+0x84d/0x18a0 [ 7567.828852][ T10] worker_thread+0x587/0xd30 [ 7567.828852][ T10] kthread+0x28a/0x350 [ 7567.828852][ T10] ret_from_fork+0x31/0x70 [ 7567.828852][ T10] ret_from_fork_asm+0x1a/0x30 [ 7567.828852][ T10] [ 7567.830745][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7567.830745][ T10] netdev_get_by_index+0x5e/0x80 [ 7567.830745][ T10] fib6_nh_init+0x3d8/0x1580 [ 7567.830745][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7567.830745][ T10] ip6_route_add+0x1c/0x140 [ 7567.830745][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7567.830745][ T10] inet6_addr_add+0x4f8/0xa40 [ 7567.830745][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7567.830745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7567.830745][ T10] netlink_rcv_skb+0x130/0x360 [ 7567.830745][ T10] netlink_unicast+0x449/0x710 [ 7567.830745][ T10] netlink_sendmsg+0x723/0xbe0 [ 7567.830745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7567.830745][ T10] ___sys_sendmsg+0xee/0x170 [ 7567.830745][ T10] __sys_sendmsg+0xcd/0x170 [ 7567.830745][ T10] do_syscall_64+0xc6/0x1e0 [ 7567.830745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7567.830745][ T10] [ 7567.832726][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7567.832726][ T10] netdev_get_by_index+0x5e/0x80 [ 7567.832726][ T10] fib6_nh_init+0x3d8/0x1580 [ 7567.832726][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7567.832726][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7567.832726][ T10] ipv6_add_addr+0x411/0x2000 [ 7567.832726][ T10] inet6_addr_add+0x30e/0xa40 [ 7567.832726][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7567.832726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7567.832726][ T10] netlink_rcv_skb+0x130/0x360 [ 7567.832726][ T10] netlink_unicast+0x449/0x710 [ 7567.832726][ T10] netlink_sendmsg+0x723/0xbe0 [ 7567.832726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7567.832726][ T10] ___sys_sendmsg+0xee/0x170 [ 7567.832726][ T10] __sys_sendmsg+0xcd/0x170 [ 7567.832726][ T10] do_syscall_64+0xc6/0x1e0 [ 7567.832726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7567.832726][ T10] [ 7567.834700][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7567.834700][ T10] netdev_get_by_index+0x5e/0x80 [ 7567.834700][ T10] fib6_nh_init+0x3d8/0x1580 [ 7567.834700][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7567.834700][ T10] ip6_route_add+0x1c/0x140 [ 7567.834700][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7567.834700][ T10] addrconf_add_dev+0xe2/0x170 [ 7567.834700][ T10] inet6_addr_add+0x12f/0xa40 [ 7567.834700][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7567.834700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7567.834700][ T10] netlink_rcv_skb+0x130/0x360 [ 7567.834700][ T10] netlink_unicast+0x449/0x710 [ 7567.834700][ T10] netlink_sendmsg+0x723/0xbe0 [ 7567.834700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7567.834700][ T10] ___sys_sendmsg+0xee/0x170 [ 7567.834700][ T10] __sys_sendmsg+0xcd/0x170 [ 7567.834700][ T10] do_syscall_64+0xc6/0x1e0 [ 7567.834700][ T10] [ 7567.836648][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7567.836648][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7567.836648][ T10] ipv6_find_idev+0x102/0x170 [ 7567.836648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7567.836648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7567.836648][ T10] netlink_rcv_skb+0x130/0x360 [ 7567.836648][ T10] netlink_unicast+0x449/0x710 [ 7567.836648][ T10] netlink_sendmsg+0x723/0xbe0 [ 7567.836648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7567.836648][ T10] ___sys_sendmsg+0xee/0x170 [ 7567.836648][ T10] __sys_sendmsg+0xcd/0x170 [ 7567.836648][ T10] do_syscall_64+0xc6/0x1e0 [ 7567.836648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7567.836648][ T10] [ 7567.838165][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7567.838165][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7567.838165][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7567.838165][ T10] ipv6_find_idev+0x102/0x170 [ 7567.838165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7567.838165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7567.838165][ T10] netlink_rcv_skb+0x130/0x360 [ 7567.838165][ T10] netlink_unicast+0x449/0x710 [ 7567.838165][ T10] netlink_sendmsg+0x723/0xbe0 [ 7567.838165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7567.838165][ T10] ___sys_sendmsg+0xee/0x170 [ 7567.838165][ T10] __sys_sendmsg+0xcd/0x170 [ 7567.838165][ T10] do_syscall_64+0xc6/0x1e0 [ 7567.838165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7567.838165][ T10] [ 7567.839838][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7567.840085][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7567.840085][ T10] netdev_get_by_index+0x5e/0x80 [ 7567.840085][ T10] fib6_nh_init+0x3d8/0x1580 [ 7567.840085][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7567.840085][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7567.840085][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7567.840085][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7567.840085][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7567.840085][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7567.840085][ T10] addrconf_dad_begin+0x310/0x670 [ 7567.840085][ T10] addrconf_dad_work+0x10b/0xab0 [ 7567.840085][ T10] process_one_work+0x84d/0x18a0 [ 7567.840085][ T10] worker_thread+0x587/0xd30 [ 7567.840085][ T10] kthread+0x28a/0x350 [ 7567.840085][ T10] ret_from_fork+0x31/0x70 [ 7567.840085][ T10] ret_from_fork_asm+0x1a/0x30 [ 7567.840085][ T10] [ 7567.842023][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7567.842023][ T10] netdev_get_by_index+0x5e/0x80 [ 7567.842023][ T10] fib6_nh_init+0x3d8/0x1580 [ 7567.842023][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7567.842023][ T10] ip6_route_add+0x1c/0x140 [ 7567.842023][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7567.842023][ T10] inet6_addr_add+0x4f8/0xa40 [ 7567.842023][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7567.842023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7567.842023][ T10] netlink_rcv_skb+0x130/0x360 [ 7567.842023][ T10] netlink_unicast+0x449/0x710 [ 7567.842023][ T10] netlink_sendmsg+0x723/0xbe0 [ 7567.842023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7567.842023][ T10] ___sys_sendmsg+0xee/0x170 [ 7567.842023][ T10] __sys_sendmsg+0xcd/0x170 [ 7567.842023][ T10] do_syscall_64+0xc6/0x1e0 [ 7567.842023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7567.842023][ T10] [ 7567.844212][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7567.844212][ T10] netdev_get_by_index+0x5e/0x80 [ 7567.844212][ T10] fib6_nh_init+0x3d8/0x1580 [ 7567.844212][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7567.844212][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7567.844212][ T10] ipv6_add_addr+0x411/0x2000 [ 7567.844212][ T10] inet6_addr_add+0x30e/0xa40 [ 7567.844212][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7567.844212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7567.844212][ T10] netlink_rcv_skb+0x130/0x360 [ 7567.844212][ T10] netlink_unicast+0x449/0x710 [ 7567.844212][ T10] netlink_sendmsg+0x723/0xbe0 [ 7567.844212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7567.844212][ T10] ___sys_sendmsg+0xee/0x170 [ 7567.844212][ T10] __sys_sendmsg+0xcd/0x170 [ 7567.844212][ T10] do_syscall_64+0xc6/0x1e0 [ 7567.844212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7567.844212][ T10] [ 7567.846280][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7567.846280][ T10] netdev_get_by_index+0x5e/0x80 [ 7567.846280][ T10] fib6_nh_init+0x3d8/0x1580 [ 7567.846280][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7567.846280][ T10] ip6_route_add+0x1c/0x140 [ 7567.846280][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7567.846280][ T10] addrconf_add_dev+0xe2/0x170 [ 7567.846280][ T10] inet6_addr_add+0x12f/0xa40 [ 7567.846280][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7567.846280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7567.846280][ T10] netlink_rcv_skb+0x130/0x360 [ 7567.846280][ T10] netlink_unicast+0x449/0x710 [ 7567.846280][ T10] netlink_sendmsg+0x723/0xbe0 [ 7567.846280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7567.846280][ T10] ___sys_sendmsg+0xee/0x170 [ 7567.846280][ T10] __sys_sendmsg+0xcd/0x170 [ 7567.846280][ T10] do_syscall_64+0xc6/0x1e0 [ 7567.846280][ T10] [ 7567.848356][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7567.848356][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7567.848356][ T10] ipv6_find_idev+0x102/0x170 [ 7567.848356][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7567.848356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7567.848356][ T10] netlink_rcv_skb+0x130/0x360 [ 7567.848356][ T10] netlink_unicast+0x449/0x710 [ 7567.848356][ T10] netlink_sendmsg+0x723/0xbe0 [ 7567.848356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7567.848356][ T10] ___sys_sendmsg+0xee/0x170 [ 7567.848356][ T10] __sys_sendmsg+0xcd/0x170 [ 7567.848356][ T10] do_syscall_64+0xc6/0x1e0 [ 7567.848356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7567.848356][ T10] [ 7567.850017][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7567.850017][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7567.850017][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7567.850017][ T10] ipv6_find_idev+0x102/0x170 [ 7567.850017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7567.850017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7567.850017][ T10] netlink_rcv_skb+0x130/0x360 [ 7567.850017][ T10] netlink_unicast+0x449/0x710 [ 7567.850017][ T10] netlink_sendmsg+0x723/0xbe0 [ 7567.850017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7567.850017][ T10] ___sys_sendmsg+0xee/0x170 [ 7567.850017][ T10] __sys_sendmsg+0xcd/0x170 [ 7567.850017][ T10] do_syscall_64+0xc6/0x1e0 [ 7567.850017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7567.850017][ T10] [ 7567.851763][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7567.852499][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7567.852499][ T10] netdev_get_by_index+0x5e/0x80 [ 7567.852499][ T10] fib6_nh_init+0x3d8/0x1580 [ 7567.852499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7567.852499][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7567.852499][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7567.852499][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7567.852499][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7567.852499][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7567.852499][ T10] addrconf_dad_begin+0x310/0x670 [ 7567.852499][ T10] addrconf_dad_work+0x10b/0xab0 [ 7567.852499][ T10] process_one_work+0x84d/0x18a0 [ 7567.852499][ T10] worker_thread+0x587/0xd30 [ 7567.852499][ T10] kthread+0x28a/0x350 [ 7567.852499][ T10] ret_from_fork+0x31/0x70 [ 7567.852499][ T10] ret_from_fork_asm+0x1a/0x30 [ 7567.852499][ T10] [ 7567.854401][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7567.854401][ T10] netdev_get_by_index+0x5e/0x80 [ 7567.854401][ T10] fib6_nh_init+0x3d8/0x1580 [ 7567.854401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7567.854401][ T10] ip6_route_add+0x1c/0x140 [ 7567.854401][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7567.854401][ T10] inet6_addr_add+0x4f8/0xa40 [ 7567.854401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7567.854401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7567.854401][ T10] netlink_rcv_skb+0x130/0x360 [ 7567.854401][ T10] netlink_unicast+0x449/0x710 [ 7567.854401][ T10] netlink_sendmsg+0x723/0xbe0 [ 7567.854401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7567.854401][ T10] ___sys_sendmsg+0xee/0x170 [ 7567.854401][ T10] __sys_sendmsg+0xcd/0x170 [ 7567.854401][ T10] do_syscall_64+0xc6/0x1e0 [ 7567.854401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7567.854401][ T10] [ 7567.856375][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7567.856375][ T10] netdev_get_by_index+0x5e/0x80 [ 7567.856375][ T10] fib6_nh_init+0x3d8/0x1580 [ 7567.856375][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7567.856375][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7567.856375][ T10] ipv6_add_addr+0x411/0x2000 [ 7567.856375][ T10] inet6_addr_add+0x30e/0xa40 [ 7567.856375][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7567.856375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7567.856375][ T10] netlink_rcv_skb+0x130/0x360 [ 7567.856375][ T10] netlink_unicast+0x449/0x710 [ 7567.856375][ T10] netlink_sendmsg+0x723/0xbe0 [ 7567.856375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7567.856375][ T10] ___sys_sendmsg+0xee/0x170 [ 7567.856375][ T10] __sys_sendmsg+0xcd/0x170 [ 7567.856375][ T10] do_syscall_64+0xc6/0x1e0 [ 7567.856375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7567.856375][ T10] [ 7567.858659][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7567.858659][ T10] netdev_get_by_index+0x5e/0x80 [ 7567.858659][ T10] fib6_nh_init+0x3d8/0x1580 [ 7567.858659][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7567.858659][ T10] ip6_route_add+0x1c/0x140 [ 7567.858659][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7567.858659][ T10] addrconf_add_dev+0xe2/0x170 [ 7567.858659][ T10] inet6_addr_add+0x12f/0xa40 [ 7567.858659][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7567.858659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7567.858659][ T10] netlink_rcv_skb+0x130/0x360 [ 7567.858659][ T10] netlink_unicast+0x449/0x710 [ 7567.858659][ T10] netlink_sendmsg+0x723/0xbe0 [ 7567.858659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7567.858659][ T10] ___sys_sendmsg+0xee/0x170 [ 7567.858659][ T10] __sys_sendmsg+0xcd/0x170 [ 7567.858659][ T10] do_syscall_64+0xc6/0x1e0 [ 7567.858659][ T10] [ 7567.860840][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7567.860840][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7567.860840][ T10] ipv6_find_idev+0x102/0x170 [ 7567.860840][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7567.860840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7567.860840][ T10] netlink_rcv_skb+0x130/0x360 [ 7567.860840][ T10] netlink_unicast+0x449/0x710 [ 7567.860840][ T10] netlink_sendmsg+0x723/0xbe0 [ 7567.860840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7567.860840][ T10] ___sys_sendmsg+0xee/0x170 [ 7567.860840][ T10] __sys_sendmsg+0xcd/0x170 [ 7567.860840][ T10] do_syscall_64+0xc6/0x1e0 [ 7567.860840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7567.860840][ T10] [ 7567.862544][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7567.862544][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7567.862544][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7567.862544][ T10] ipv6_find_idev+0x102/0x170 [ 7567.862544][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7567.862544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7567.862544][ T10] netlink_rcv_skb+0x130/0x360 [ 7567.862544][ T10] netlink_unicast+0x449/0x710 [ 7567.862544][ T10] netlink_sendmsg+0x723/0xbe0 [ 7567.862544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7567.862544][ T10] ___sys_sendmsg+0xee/0x170 [ 7567.862544][ T10] __sys_sendmsg+0xcd/0x170 [ 7567.862544][ T10] do_syscall_64+0xc6/0x1e0 [ 7567.862544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7567.862544][ T10] [ 7570.913192][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7570.913716][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7570.913716][ T1167] dst_init+0x84/0x4a0 [ 7570.913716][ T1167] dst_alloc+0x97/0x150 [ 7570.913716][ T1167] ip6_dst_alloc+0x23/0x90 [ 7570.913716][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7570.913716][ T1167] ip6_pol_route+0x56f/0x840 [ 7570.913716][ T1167] fib6_rule_lookup+0x334/0x630 [ 7570.913716][ T1167] ip6_route_output_flags+0x259/0x480 [ 7570.913716][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7570.913716][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7570.913716][ T1167] netlink_rcv_skb+0x130/0x360 [ 7570.913716][ T1167] netlink_unicast+0x449/0x710 [ 7570.913716][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7570.913716][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7570.913716][ T1167] ___sys_sendmsg+0xee/0x170 [ 7570.913716][ T1167] __sys_sendmsg+0xcd/0x170 [ 7570.913716][ T1167] do_syscall_64+0xc6/0x1e0 [ 7570.913716][ T1167] [ 7570.915932][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7570.915932][ T1167] netdev_get_by_index+0x5e/0x80 [ 7570.915932][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7570.915932][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7570.915932][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7570.915932][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7570.915932][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7570.915932][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7570.915932][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7570.915932][ T1167] addrconf_dad_begin+0x310/0x670 [ 7570.915932][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7570.915932][ T1167] process_one_work+0x84d/0x18a0 [ 7570.915932][ T1167] worker_thread+0x587/0xd30 [ 7570.915932][ T1167] kthread+0x28a/0x350 [ 7570.915932][ T1167] ret_from_fork+0x31/0x70 [ 7570.915932][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7570.915932][ T1167] [ 7570.918088][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7570.918088][ T1167] netdev_get_by_index+0x5e/0x80 [ 7570.918088][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7570.918088][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7570.918088][ T1167] ip6_route_add+0x1c/0x140 [ 7570.918088][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7570.918088][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7570.918088][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7570.918088][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7570.918088][ T1167] netlink_rcv_skb+0x130/0x360 [ 7570.918088][ T1167] netlink_unicast+0x449/0x710 [ 7570.918088][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7570.918088][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7570.918088][ T1167] ___sys_sendmsg+0xee/0x170 [ 7570.918088][ T1167] __sys_sendmsg+0xcd/0x170 [ 7570.918088][ T1167] do_syscall_64+0xc6/0x1e0 [ 7570.918088][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7570.918088][ T1167] [ 7570.920341][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7570.920341][ T1167] netdev_get_by_index+0x5e/0x80 [ 7570.920341][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7570.920341][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7570.920341][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7570.920341][ T1167] ipv6_add_addr+0x411/0x2000 [ 7570.920341][ T1167] inet6_addr_add+0x30e/0xa40 [ 7570.920341][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7570.920341][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7570.920341][ T1167] netlink_rcv_skb+0x130/0x360 [ 7570.920341][ T1167] netlink_unicast+0x449/0x710 [ 7570.920341][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7570.920341][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7570.920341][ T1167] ___sys_sendmsg+0xee/0x170 [ 7570.920341][ T1167] __sys_sendmsg+0xcd/0x170 [ 7570.920341][ T1167] do_syscall_64+0xc6/0x1e0 [ 7570.920341][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7570.920341][ T1167] [ 7570.922615][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7570.922615][ T1167] netdev_get_by_index+0x5e/0x80 [ 7570.922615][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7570.922615][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7570.922615][ T1167] ip6_route_add+0x1c/0x140 [ 7570.922615][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7570.922615][ T1167] addrconf_add_dev+0xe2/0x170 [ 7570.922615][ T1167] inet6_addr_add+0x12f/0xa40 [ 7570.922615][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7570.922615][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7570.922615][ T1167] netlink_rcv_skb+0x130/0x360 [ 7570.922615][ T1167] netlink_unicast+0x449/0x710 [ 7570.922615][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7570.922615][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7570.922615][ T1167] ___sys_sendmsg+0xee/0x170 [ 7570.922615][ T1167] __sys_sendmsg+0xcd/0x170 [ 7570.922615][ T1167] do_syscall_64+0xc6/0x1e0 [ 7570.922615][ T1167] [ 7570.924832][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7570.924832][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7570.924832][ T1167] ipv6_find_idev+0x102/0x170 [ 7570.924832][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7570.924832][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7570.924832][ T1167] netlink_rcv_skb+0x130/0x360 [ 7570.924832][ T1167] netlink_unicast+0x449/0x710 [ 7570.924832][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7570.924832][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7570.924832][ T1167] ___sys_sendmsg+0xee/0x170 [ 7570.924832][ T1167] __sys_sendmsg+0xcd/0x170 [ 7570.924832][ T1167] do_syscall_64+0xc6/0x1e0 [ 7570.924832][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7570.924832][ T1167] [ 7570.926563][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7570.926563][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7570.926563][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7570.926563][ T1167] ipv6_find_idev+0x102/0x170 [ 7570.926563][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7570.926563][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7570.926563][ T1167] netlink_rcv_skb+0x130/0x360 [ 7570.926563][ T1167] netlink_unicast+0x449/0x710 [ 7570.926563][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7570.926563][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7570.926563][ T1167] ___sys_sendmsg+0xee/0x170 [ 7570.926563][ T1167] __sys_sendmsg+0xcd/0x170 [ 7570.926563][ T1167] do_syscall_64+0xc6/0x1e0 [ 7570.926563][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7570.926563][ T1167] [ 7578.025111][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7578.025540][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7578.025540][ T10] netdev_get_by_index+0x5e/0x80 [ 7578.025540][ T10] fib6_nh_init+0x3d8/0x1580 [ 7578.025540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7578.025540][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7578.025540][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7578.025540][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7578.025540][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7578.025540][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7578.025540][ T10] addrconf_dad_begin+0x310/0x670 [ 7578.025540][ T10] addrconf_dad_work+0x10b/0xab0 [ 7578.025540][ T10] process_one_work+0x84d/0x18a0 [ 7578.025540][ T10] worker_thread+0x587/0xd30 [ 7578.025540][ T10] kthread+0x28a/0x350 [ 7578.025540][ T10] ret_from_fork+0x31/0x70 [ 7578.025540][ T10] ret_from_fork_asm+0x1a/0x30 [ 7578.025540][ T10] [ 7578.027460][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7578.027460][ T10] netdev_get_by_index+0x5e/0x80 [ 7578.027460][ T10] fib6_nh_init+0x3d8/0x1580 [ 7578.027460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7578.027460][ T10] ip6_route_add+0x1c/0x140 [ 7578.027460][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7578.027460][ T10] inet6_addr_add+0x4f8/0xa40 [ 7578.027460][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7578.027460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7578.027460][ T10] netlink_rcv_skb+0x130/0x360 [ 7578.027460][ T10] netlink_unicast+0x449/0x710 [ 7578.027460][ T10] netlink_sendmsg+0x723/0xbe0 [ 7578.027460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7578.027460][ T10] ___sys_sendmsg+0xee/0x170 [ 7578.027460][ T10] __sys_sendmsg+0xcd/0x170 [ 7578.027460][ T10] do_syscall_64+0xc6/0x1e0 [ 7578.027460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7578.027460][ T10] [ 7578.029441][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7578.029441][ T10] netdev_get_by_index+0x5e/0x80 [ 7578.029441][ T10] fib6_nh_init+0x3d8/0x1580 [ 7578.029441][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7578.029441][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7578.029441][ T10] ipv6_add_addr+0x411/0x2000 [ 7578.029441][ T10] inet6_addr_add+0x30e/0xa40 [ 7578.029441][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7578.029441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7578.029441][ T10] netlink_rcv_skb+0x130/0x360 [ 7578.029441][ T10] netlink_unicast+0x449/0x710 [ 7578.029441][ T10] netlink_sendmsg+0x723/0xbe0 [ 7578.029441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7578.029441][ T10] ___sys_sendmsg+0xee/0x170 [ 7578.029441][ T10] __sys_sendmsg+0xcd/0x170 [ 7578.029441][ T10] do_syscall_64+0xc6/0x1e0 [ 7578.029441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7578.029441][ T10] [ 7578.031420][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7578.031420][ T10] netdev_get_by_index+0x5e/0x80 [ 7578.031420][ T10] fib6_nh_init+0x3d8/0x1580 [ 7578.031420][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7578.031420][ T10] ip6_route_add+0x1c/0x140 [ 7578.031420][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7578.031420][ T10] addrconf_add_dev+0xe2/0x170 [ 7578.031420][ T10] inet6_addr_add+0x12f/0xa40 [ 7578.031420][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7578.031420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7578.031420][ T10] netlink_rcv_skb+0x130/0x360 [ 7578.031420][ T10] netlink_unicast+0x449/0x710 [ 7578.031420][ T10] netlink_sendmsg+0x723/0xbe0 [ 7578.031420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7578.031420][ T10] ___sys_sendmsg+0xee/0x170 [ 7578.031420][ T10] __sys_sendmsg+0xcd/0x170 [ 7578.031420][ T10] do_syscall_64+0xc6/0x1e0 [ 7578.031420][ T10] [ 7578.033491][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7578.033491][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7578.033491][ T10] ipv6_find_idev+0x102/0x170 [ 7578.033491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7578.033491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7578.033491][ T10] netlink_rcv_skb+0x130/0x360 [ 7578.033491][ T10] netlink_unicast+0x449/0x710 [ 7578.033491][ T10] netlink_sendmsg+0x723/0xbe0 [ 7578.033491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7578.033491][ T10] ___sys_sendmsg+0xee/0x170 [ 7578.033491][ T10] __sys_sendmsg+0xcd/0x170 [ 7578.033491][ T10] do_syscall_64+0xc6/0x1e0 [ 7578.033491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7578.033491][ T10] [ 7578.035017][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7578.035017][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7578.035017][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7578.035017][ T10] ipv6_find_idev+0x102/0x170 [ 7578.035017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7578.035017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7578.035017][ T10] netlink_rcv_skb+0x130/0x360 [ 7578.035017][ T10] netlink_unicast+0x449/0x710 [ 7578.035017][ T10] netlink_sendmsg+0x723/0xbe0 [ 7578.035017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7578.035017][ T10] ___sys_sendmsg+0xee/0x170 [ 7578.035017][ T10] __sys_sendmsg+0xcd/0x170 [ 7578.035017][ T10] do_syscall_64+0xc6/0x1e0 [ 7578.035017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7578.035017][ T10] [ 7578.036704][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7578.036952][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7578.036952][ T10] netdev_get_by_index+0x5e/0x80 [ 7578.036952][ T10] fib6_nh_init+0x3d8/0x1580 [ 7578.036952][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7578.036952][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7578.036952][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7578.036952][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7578.036952][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7578.036952][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7578.036952][ T10] addrconf_dad_begin+0x310/0x670 [ 7578.036952][ T10] addrconf_dad_work+0x10b/0xab0 [ 7578.036952][ T10] process_one_work+0x84d/0x18a0 [ 7578.036952][ T10] worker_thread+0x587/0xd30 [ 7578.036952][ T10] kthread+0x28a/0x350 [ 7578.036952][ T10] ret_from_fork+0x31/0x70 [ 7578.036952][ T10] ret_from_fork_asm+0x1a/0x30 [ 7578.036952][ T10] [ 7578.038841][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7578.038841][ T10] netdev_get_by_index+0x5e/0x80 [ 7578.038841][ T10] fib6_nh_init+0x3d8/0x1580 [ 7578.038841][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7578.038841][ T10] ip6_route_add+0x1c/0x140 [ 7578.038841][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7578.038841][ T10] inet6_addr_add+0x4f8/0xa40 [ 7578.038841][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7578.038841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7578.038841][ T10] netlink_rcv_skb+0x130/0x360 [ 7578.038841][ T10] netlink_unicast+0x449/0x710 [ 7578.038841][ T10] netlink_sendmsg+0x723/0xbe0 [ 7578.038841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7578.038841][ T10] ___sys_sendmsg+0xee/0x170 [ 7578.038841][ T10] __sys_sendmsg+0xcd/0x170 [ 7578.038841][ T10] do_syscall_64+0xc6/0x1e0 [ 7578.038841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7578.038841][ T10] [ 7578.040811][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7578.040811][ T10] netdev_get_by_index+0x5e/0x80 [ 7578.040811][ T10] fib6_nh_init+0x3d8/0x1580 [ 7578.040811][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7578.040811][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7578.040811][ T10] ipv6_add_addr+0x411/0x2000 [ 7578.040811][ T10] inet6_addr_add+0x30e/0xa40 [ 7578.040811][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7578.040811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7578.040811][ T10] netlink_rcv_skb+0x130/0x360 [ 7578.040811][ T10] netlink_unicast+0x449/0x710 [ 7578.040811][ T10] netlink_sendmsg+0x723/0xbe0 [ 7578.040811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7578.040811][ T10] ___sys_sendmsg+0xee/0x170 [ 7578.040811][ T10] __sys_sendmsg+0xcd/0x170 [ 7578.040811][ T10] do_syscall_64+0xc6/0x1e0 [ 7578.040811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7578.040811][ T10] [ 7578.042789][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7578.042789][ T10] netdev_get_by_index+0x5e/0x80 [ 7578.042789][ T10] fib6_nh_init+0x3d8/0x1580 [ 7578.042789][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7578.042789][ T10] ip6_route_add+0x1c/0x140 [ 7578.042789][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7578.042789][ T10] addrconf_add_dev+0xe2/0x170 [ 7578.042789][ T10] inet6_addr_add+0x12f/0xa40 [ 7578.042789][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7578.042789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7578.042789][ T10] netlink_rcv_skb+0x130/0x360 [ 7578.042789][ T10] netlink_unicast+0x449/0x710 [ 7578.042789][ T10] netlink_sendmsg+0x723/0xbe0 [ 7578.042789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7578.042789][ T10] ___sys_sendmsg+0xee/0x170 [ 7578.042789][ T10] __sys_sendmsg+0xcd/0x170 [ 7578.042789][ T10] do_syscall_64+0xc6/0x1e0 [ 7578.042789][ T10] [ 7578.044725][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7578.044725][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7578.044725][ T10] ipv6_find_idev+0x102/0x170 [ 7578.044725][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7578.044725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7578.044725][ T10] netlink_rcv_skb+0x130/0x360 [ 7578.044725][ T10] netlink_unicast+0x449/0x710 [ 7578.044725][ T10] netlink_sendmsg+0x723/0xbe0 [ 7578.044725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7578.044725][ T10] ___sys_sendmsg+0xee/0x170 [ 7578.044725][ T10] __sys_sendmsg+0xcd/0x170 [ 7578.044725][ T10] do_syscall_64+0xc6/0x1e0 [ 7578.044725][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7578.044725][ T10] [ 7578.046246][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7578.046246][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7578.046246][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7578.046246][ T10] ipv6_find_idev+0x102/0x170 [ 7578.046246][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7578.046246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7578.046246][ T10] netlink_rcv_skb+0x130/0x360 [ 7578.046246][ T10] netlink_unicast+0x449/0x710 [ 7578.046246][ T10] netlink_sendmsg+0x723/0xbe0 [ 7578.046246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7578.046246][ T10] ___sys_sendmsg+0xee/0x170 [ 7578.046246][ T10] __sys_sendmsg+0xcd/0x170 [ 7578.046246][ T10] do_syscall_64+0xc6/0x1e0 [ 7578.046246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7578.046246][ T10] [ 7578.047914][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7578.048158][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7578.048158][ T10] netdev_get_by_index+0x5e/0x80 [ 7578.048158][ T10] fib6_nh_init+0x3d8/0x1580 [ 7578.048158][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7578.048158][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7578.048158][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7578.048158][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7578.048158][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7578.048158][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7578.048158][ T10] addrconf_dad_begin+0x310/0x670 [ 7578.048158][ T10] addrconf_dad_work+0x10b/0xab0 [ 7578.048158][ T10] process_one_work+0x84d/0x18a0 [ 7578.048158][ T10] worker_thread+0x587/0xd30 [ 7578.048158][ T10] kthread+0x28a/0x350 [ 7578.048158][ T10] ret_from_fork+0x31/0x70 [ 7578.048158][ T10] ret_from_fork_asm+0x1a/0x30 [ 7578.048158][ T10] [ 7578.050037][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7578.050037][ T10] netdev_get_by_index+0x5e/0x80 [ 7578.050037][ T10] fib6_nh_init+0x3d8/0x1580 [ 7578.050037][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7578.050037][ T10] ip6_route_add+0x1c/0x140 [ 7578.050037][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7578.050037][ T10] inet6_addr_add+0x4f8/0xa40 [ 7578.050037][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7578.050037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7578.050037][ T10] netlink_rcv_skb+0x130/0x360 [ 7578.050037][ T10] netlink_unicast+0x449/0x710 [ 7578.050037][ T10] netlink_sendmsg+0x723/0xbe0 [ 7578.050037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7578.050037][ T10] ___sys_sendmsg+0xee/0x170 [ 7578.050037][ T10] __sys_sendmsg+0xcd/0x170 [ 7578.050037][ T10] do_syscall_64+0xc6/0x1e0 [ 7578.050037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7578.050037][ T10] [ 7578.052319][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7578.052319][ T10] netdev_get_by_index+0x5e/0x80 [ 7578.052319][ T10] fib6_nh_init+0x3d8/0x1580 [ 7578.052319][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7578.052319][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7578.052319][ T10] ipv6_add_addr+0x411/0x2000 [ 7578.052319][ T10] inet6_addr_add+0x30e/0xa40 [ 7578.052319][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7578.052319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7578.052319][ T10] netlink_rcv_skb+0x130/0x360 [ 7578.052319][ T10] netlink_unicast+0x449/0x710 [ 7578.052319][ T10] netlink_sendmsg+0x723/0xbe0 [ 7578.052319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7578.052319][ T10] ___sys_sendmsg+0xee/0x170 [ 7578.052319][ T10] __sys_sendmsg+0xcd/0x170 [ 7578.052319][ T10] do_syscall_64+0xc6/0x1e0 [ 7578.052319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7578.052319][ T10] [ 7578.054475][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7578.054475][ T10] netdev_get_by_index+0x5e/0x80 [ 7578.054475][ T10] fib6_nh_init+0x3d8/0x1580 [ 7578.054475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7578.054475][ T10] ip6_route_add+0x1c/0x140 [ 7578.054475][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7578.054475][ T10] addrconf_add_dev+0xe2/0x170 [ 7578.054475][ T10] inet6_addr_add+0x12f/0xa40 [ 7578.054475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7578.054475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7578.054475][ T10] netlink_rcv_skb+0x130/0x360 [ 7578.054475][ T10] netlink_unicast+0x449/0x710 [ 7578.054475][ T10] netlink_sendmsg+0x723/0xbe0 [ 7578.054475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7578.054475][ T10] ___sys_sendmsg+0xee/0x170 [ 7578.054475][ T10] __sys_sendmsg+0xcd/0x170 [ 7578.054475][ T10] do_syscall_64+0xc6/0x1e0 [ 7578.054475][ T10] [ 7578.056650][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7578.056650][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7578.056650][ T10] ipv6_find_idev+0x102/0x170 [ 7578.056650][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7578.056650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7578.056650][ T10] netlink_rcv_skb+0x130/0x360 [ 7578.056650][ T10] netlink_unicast+0x449/0x710 [ 7578.056650][ T10] netlink_sendmsg+0x723/0xbe0 [ 7578.056650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7578.056650][ T10] ___sys_sendmsg+0xee/0x170 [ 7578.056650][ T10] __sys_sendmsg+0xcd/0x170 [ 7578.056650][ T10] do_syscall_64+0xc6/0x1e0 [ 7578.056650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7578.056650][ T10] [ 7578.058346][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7578.058346][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7578.058346][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7578.058346][ T10] ipv6_find_idev+0x102/0x170 [ 7578.058346][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7578.058346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7578.058346][ T10] netlink_rcv_skb+0x130/0x360 [ 7578.058346][ T10] netlink_unicast+0x449/0x710 [ 7578.058346][ T10] netlink_sendmsg+0x723/0xbe0 [ 7578.058346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7578.058346][ T10] ___sys_sendmsg+0xee/0x170 [ 7578.058346][ T10] __sys_sendmsg+0xcd/0x170 [ 7578.058346][ T10] do_syscall_64+0xc6/0x1e0 [ 7578.058346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7578.058346][ T10] [ 7578.060189][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7578.060487][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7578.060487][ T10] netdev_get_by_index+0x5e/0x80 [ 7578.060487][ T10] fib6_nh_init+0x3d8/0x1580 [ 7578.060487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7578.060487][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7578.060487][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7578.060487][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7578.060487][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7578.060487][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7578.060487][ T10] addrconf_dad_begin+0x310/0x670 [ 7578.060487][ T10] addrconf_dad_work+0x10b/0xab0 [ 7578.060487][ T10] process_one_work+0x84d/0x18a0 [ 7578.060487][ T10] worker_thread+0x587/0xd30 [ 7578.060487][ T10] kthread+0x28a/0x350 [ 7578.060487][ T10] ret_from_fork+0x31/0x70 [ 7578.060487][ T10] ret_from_fork_asm+0x1a/0x30 [ 7578.060487][ T10] [ 7578.062576][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7578.062576][ T10] netdev_get_by_index+0x5e/0x80 [ 7578.062576][ T10] fib6_nh_init+0x3d8/0x1580 [ 7578.062576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7578.062576][ T10] ip6_route_add+0x1c/0x140 [ 7578.062576][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7578.062576][ T10] inet6_addr_add+0x4f8/0xa40 [ 7578.062576][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7578.062576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7578.062576][ T10] netlink_rcv_skb+0x130/0x360 [ 7578.062576][ T10] netlink_unicast+0x449/0x710 [ 7578.062576][ T10] netlink_sendmsg+0x723/0xbe0 [ 7578.062576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7578.062576][ T10] ___sys_sendmsg+0xee/0x170 [ 7578.062576][ T10] __sys_sendmsg+0xcd/0x170 [ 7578.062576][ T10] do_syscall_64+0xc6/0x1e0 [ 7578.062576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7578.062576][ T10] [ 7578.064786][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7578.064786][ T10] netdev_get_by_index+0x5e/0x80 [ 7578.064786][ T10] fib6_nh_init+0x3d8/0x1580 [ 7578.064786][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7578.064786][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7578.064786][ T10] ipv6_add_addr+0x411/0x2000 [ 7578.064786][ T10] inet6_addr_add+0x30e/0xa40 [ 7578.064786][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7578.064786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7578.064786][ T10] netlink_rcv_skb+0x130/0x360 [ 7578.064786][ T10] netlink_unicast+0x449/0x710 [ 7578.064786][ T10] netlink_sendmsg+0x723/0xbe0 [ 7578.064786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7578.064786][ T10] ___sys_sendmsg+0xee/0x170 [ 7578.064786][ T10] __sys_sendmsg+0xcd/0x170 [ 7578.064786][ T10] do_syscall_64+0xc6/0x1e0 [ 7578.064786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7578.064786][ T10] [ 7578.067262][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7578.067262][ T10] netdev_get_by_index+0x5e/0x80 [ 7578.067262][ T10] fib6_nh_init+0x3d8/0x1580 [ 7578.067262][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7578.067262][ T10] ip6_route_add+0x1c/0x140 [ 7578.067262][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7578.067262][ T10] addrconf_add_dev+0xe2/0x170 [ 7578.067262][ T10] inet6_addr_add+0x12f/0xa40 [ 7578.067262][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7578.067262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7578.067262][ T10] netlink_rcv_skb+0x130/0x360 [ 7578.067262][ T10] netlink_unicast+0x449/0x710 [ 7578.067262][ T10] netlink_sendmsg+0x723/0xbe0 [ 7578.067262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7578.067262][ T10] ___sys_sendmsg+0xee/0x170 [ 7578.067262][ T10] __sys_sendmsg+0xcd/0x170 [ 7578.067262][ T10] do_syscall_64+0xc6/0x1e0 [ 7578.067262][ T10] [ 7578.069438][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7578.069438][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7578.069438][ T10] ipv6_find_idev+0x102/0x170 [ 7578.069438][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7578.069438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7578.069438][ T10] netlink_rcv_skb+0x130/0x360 [ 7578.069438][ T10] netlink_unicast+0x449/0x710 [ 7578.069438][ T10] netlink_sendmsg+0x723/0xbe0 [ 7578.069438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7578.069438][ T10] ___sys_sendmsg+0xee/0x170 [ 7578.069438][ T10] __sys_sendmsg+0xcd/0x170 [ 7578.069438][ T10] do_syscall_64+0xc6/0x1e0 [ 7578.069438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7578.069438][ T10] [ 7578.071197][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7578.071197][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7578.071197][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7578.071197][ T10] ipv6_find_idev+0x102/0x170 [ 7578.071197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7578.071197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7578.071197][ T10] netlink_rcv_skb+0x130/0x360 [ 7578.071197][ T10] netlink_unicast+0x449/0x710 [ 7578.071197][ T10] netlink_sendmsg+0x723/0xbe0 [ 7578.071197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7578.071197][ T10] ___sys_sendmsg+0xee/0x170 [ 7578.071197][ T10] __sys_sendmsg+0xcd/0x170 [ 7578.071197][ T10] do_syscall_64+0xc6/0x1e0 [ 7578.071197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7578.071197][ T10] [ 7581.169122][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7581.169630][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7581.169630][ T1167] dst_init+0x84/0x4a0 [ 7581.169630][ T1167] dst_alloc+0x97/0x150 [ 7581.169630][ T1167] ip6_dst_alloc+0x23/0x90 [ 7581.169630][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7581.169630][ T1167] ip6_pol_route+0x56f/0x840 [ 7581.169630][ T1167] fib6_rule_lookup+0x334/0x630 [ 7581.169630][ T1167] ip6_route_output_flags+0x259/0x480 [ 7581.169630][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7581.169630][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7581.169630][ T1167] netlink_rcv_skb+0x130/0x360 [ 7581.169630][ T1167] netlink_unicast+0x449/0x710 [ 7581.169630][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7581.169630][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7581.169630][ T1167] ___sys_sendmsg+0xee/0x170 [ 7581.169630][ T1167] __sys_sendmsg+0xcd/0x170 [ 7581.169630][ T1167] do_syscall_64+0xc6/0x1e0 [ 7581.169630][ T1167] [ 7581.171857][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7581.171857][ T1167] netdev_get_by_index+0x5e/0x80 [ 7581.171857][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7581.171857][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7581.171857][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7581.171857][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7581.171857][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7581.171857][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7581.171857][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7581.171857][ T1167] addrconf_dad_begin+0x310/0x670 [ 7581.171857][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7581.171857][ T1167] process_one_work+0x84d/0x18a0 [ 7581.171857][ T1167] worker_thread+0x587/0xd30 [ 7581.171857][ T1167] kthread+0x28a/0x350 [ 7581.171857][ T1167] ret_from_fork+0x31/0x70 [ 7581.171857][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7581.171857][ T1167] [ 7581.174025][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7581.174025][ T1167] netdev_get_by_index+0x5e/0x80 [ 7581.174025][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7581.174025][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7581.174025][ T1167] ip6_route_add+0x1c/0x140 [ 7581.174025][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7581.174025][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7581.174025][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7581.174025][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7581.174025][ T1167] netlink_rcv_skb+0x130/0x360 [ 7581.174025][ T1167] netlink_unicast+0x449/0x710 [ 7581.174025][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7581.174025][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7581.174025][ T1167] ___sys_sendmsg+0xee/0x170 [ 7581.174025][ T1167] __sys_sendmsg+0xcd/0x170 [ 7581.174025][ T1167] do_syscall_64+0xc6/0x1e0 [ 7581.174025][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7581.174025][ T1167] [ 7581.176859][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7581.176859][ T1167] netdev_get_by_index+0x5e/0x80 [ 7581.176859][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7581.176859][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7581.176859][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7581.176859][ T1167] ipv6_add_addr+0x411/0x2000 [ 7581.176859][ T1167] inet6_addr_add+0x30e/0xa40 [ 7581.176859][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7581.176859][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7581.176859][ T1167] netlink_rcv_skb+0x130/0x360 [ 7581.176859][ T1167] netlink_unicast+0x449/0x710 [ 7581.176859][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7581.176859][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7581.176859][ T1167] ___sys_sendmsg+0xee/0x170 [ 7581.176859][ T1167] __sys_sendmsg+0xcd/0x170 [ 7581.176859][ T1167] do_syscall_64+0xc6/0x1e0 [ 7581.176859][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7581.176859][ T1167] [ 7581.180299][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7581.180299][ T1167] netdev_get_by_index+0x5e/0x80 [ 7581.180299][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7581.180299][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7581.180299][ T1167] ip6_route_add+0x1c/0x140 [ 7581.180299][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7581.180299][ T1167] addrconf_add_dev+0xe2/0x170 [ 7581.180299][ T1167] inet6_addr_add+0x12f/0xa40 [ 7581.180299][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7581.180299][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7581.180299][ T1167] netlink_rcv_skb+0x130/0x360 [ 7581.180299][ T1167] netlink_unicast+0x449/0x710 [ 7581.180299][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7581.180299][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7581.180299][ T1167] ___sys_sendmsg+0xee/0x170 [ 7581.180299][ T1167] __sys_sendmsg+0xcd/0x170 [ 7581.180299][ T1167] do_syscall_64+0xc6/0x1e0 [ 7581.180299][ T1167] [ 7581.183821][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7581.183821][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7581.183821][ T1167] ipv6_find_idev+0x102/0x170 [ 7581.183821][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7581.183821][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7581.183821][ T1167] netlink_rcv_skb+0x130/0x360 [ 7581.183821][ T1167] netlink_unicast+0x449/0x710 [ 7581.183821][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7581.183821][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7581.183821][ T1167] ___sys_sendmsg+0xee/0x170 [ 7581.183821][ T1167] __sys_sendmsg+0xcd/0x170 [ 7581.183821][ T1167] do_syscall_64+0xc6/0x1e0 [ 7581.183821][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7581.183821][ T1167] [ 7581.186630][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7581.186630][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7581.186630][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7581.186630][ T1167] ipv6_find_idev+0x102/0x170 [ 7581.186630][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7581.186630][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7581.186630][ T1167] netlink_rcv_skb+0x130/0x360 [ 7581.186630][ T1167] netlink_unicast+0x449/0x710 [ 7581.186630][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7581.186630][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7581.186630][ T1167] ___sys_sendmsg+0xee/0x170 [ 7581.186630][ T1167] __sys_sendmsg+0xcd/0x170 [ 7581.186630][ T1167] do_syscall_64+0xc6/0x1e0 [ 7581.186630][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7581.186630][ T1167] [ 7588.345269][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7588.345638][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7588.345638][ T10] netdev_get_by_index+0x5e/0x80 [ 7588.345638][ T10] fib6_nh_init+0x3d8/0x1580 [ 7588.345638][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7588.345638][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7588.345638][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7588.345638][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7588.345638][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7588.345638][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7588.345638][ T10] addrconf_dad_begin+0x310/0x670 [ 7588.345638][ T10] addrconf_dad_work+0x10b/0xab0 [ 7588.345638][ T10] process_one_work+0x84d/0x18a0 [ 7588.345638][ T10] worker_thread+0x587/0xd30 [ 7588.345638][ T10] kthread+0x28a/0x350 [ 7588.345638][ T10] ret_from_fork+0x31/0x70 [ 7588.345638][ T10] ret_from_fork_asm+0x1a/0x30 [ 7588.345638][ T10] [ 7588.347573][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7588.347573][ T10] netdev_get_by_index+0x5e/0x80 [ 7588.347573][ T10] fib6_nh_init+0x3d8/0x1580 [ 7588.347573][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7588.347573][ T10] ip6_route_add+0x1c/0x140 [ 7588.347573][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7588.347573][ T10] inet6_addr_add+0x4f8/0xa40 [ 7588.347573][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7588.347573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7588.347573][ T10] netlink_rcv_skb+0x130/0x360 [ 7588.347573][ T10] netlink_unicast+0x449/0x710 [ 7588.347573][ T10] netlink_sendmsg+0x723/0xbe0 [ 7588.347573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7588.347573][ T10] ___sys_sendmsg+0xee/0x170 [ 7588.347573][ T10] __sys_sendmsg+0xcd/0x170 [ 7588.347573][ T10] do_syscall_64+0xc6/0x1e0 [ 7588.347573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7588.347573][ T10] [ 7588.349550][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7588.349550][ T10] netdev_get_by_index+0x5e/0x80 [ 7588.349550][ T10] fib6_nh_init+0x3d8/0x1580 [ 7588.349550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7588.349550][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7588.349550][ T10] ipv6_add_addr+0x411/0x2000 [ 7588.349550][ T10] inet6_addr_add+0x30e/0xa40 [ 7588.349550][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7588.349550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7588.349550][ T10] netlink_rcv_skb+0x130/0x360 [ 7588.349550][ T10] netlink_unicast+0x449/0x710 [ 7588.349550][ T10] netlink_sendmsg+0x723/0xbe0 [ 7588.349550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7588.349550][ T10] ___sys_sendmsg+0xee/0x170 [ 7588.349550][ T10] __sys_sendmsg+0xcd/0x170 [ 7588.349550][ T10] do_syscall_64+0xc6/0x1e0 [ 7588.349550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7588.349550][ T10] [ 7588.351537][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7588.351537][ T10] netdev_get_by_index+0x5e/0x80 [ 7588.351537][ T10] fib6_nh_init+0x3d8/0x1580 [ 7588.351537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7588.351537][ T10] ip6_route_add+0x1c/0x140 [ 7588.351537][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7588.351537][ T10] addrconf_add_dev+0xe2/0x170 [ 7588.351537][ T10] inet6_addr_add+0x12f/0xa40 [ 7588.351537][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7588.351537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7588.351537][ T10] netlink_rcv_skb+0x130/0x360 [ 7588.351537][ T10] netlink_unicast+0x449/0x710 [ 7588.351537][ T10] netlink_sendmsg+0x723/0xbe0 [ 7588.351537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7588.351537][ T10] ___sys_sendmsg+0xee/0x170 [ 7588.351537][ T10] __sys_sendmsg+0xcd/0x170 [ 7588.351537][ T10] do_syscall_64+0xc6/0x1e0 [ 7588.351537][ T10] [ 7588.353502][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7588.353502][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7588.353502][ T10] ipv6_find_idev+0x102/0x170 [ 7588.353502][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7588.353502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7588.353502][ T10] netlink_rcv_skb+0x130/0x360 [ 7588.353502][ T10] netlink_unicast+0x449/0x710 [ 7588.353502][ T10] netlink_sendmsg+0x723/0xbe0 [ 7588.353502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7588.353502][ T10] ___sys_sendmsg+0xee/0x170 [ 7588.353502][ T10] __sys_sendmsg+0xcd/0x170 [ 7588.353502][ T10] do_syscall_64+0xc6/0x1e0 [ 7588.353502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7588.353502][ T10] [ 7588.355027][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7588.355027][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7588.355027][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7588.355027][ T10] ipv6_find_idev+0x102/0x170 [ 7588.355027][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7588.355027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7588.355027][ T10] netlink_rcv_skb+0x130/0x360 [ 7588.355027][ T10] netlink_unicast+0x449/0x710 [ 7588.355027][ T10] netlink_sendmsg+0x723/0xbe0 [ 7588.355027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7588.355027][ T10] ___sys_sendmsg+0xee/0x170 [ 7588.355027][ T10] __sys_sendmsg+0xcd/0x170 [ 7588.355027][ T10] do_syscall_64+0xc6/0x1e0 [ 7588.355027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7588.355027][ T10] [ 7588.356716][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7588.356953][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7588.356953][ T10] netdev_get_by_index+0x5e/0x80 [ 7588.356953][ T10] fib6_nh_init+0x3d8/0x1580 [ 7588.356953][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7588.356953][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7588.356953][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7588.356953][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7588.356953][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7588.356953][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7588.356953][ T10] addrconf_dad_begin+0x310/0x670 [ 7588.356953][ T10] addrconf_dad_work+0x10b/0xab0 [ 7588.356953][ T10] process_one_work+0x84d/0x18a0 [ 7588.356953][ T10] worker_thread+0x587/0xd30 [ 7588.356953][ T10] kthread+0x28a/0x350 [ 7588.356953][ T10] ret_from_fork+0x31/0x70 [ 7588.356953][ T10] ret_from_fork_asm+0x1a/0x30 [ 7588.356953][ T10] [ 7588.358864][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7588.358864][ T10] netdev_get_by_index+0x5e/0x80 [ 7588.358864][ T10] fib6_nh_init+0x3d8/0x1580 [ 7588.358864][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7588.358864][ T10] ip6_route_add+0x1c/0x140 [ 7588.358864][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7588.358864][ T10] inet6_addr_add+0x4f8/0xa40 [ 7588.358864][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7588.358864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7588.358864][ T10] netlink_rcv_skb+0x130/0x360 [ 7588.358864][ T10] netlink_unicast+0x449/0x710 [ 7588.358864][ T10] netlink_sendmsg+0x723/0xbe0 [ 7588.358864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7588.358864][ T10] ___sys_sendmsg+0xee/0x170 [ 7588.358864][ T10] __sys_sendmsg+0xcd/0x170 [ 7588.358864][ T10] do_syscall_64+0xc6/0x1e0 [ 7588.358864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7588.358864][ T10] [ 7588.360839][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7588.360839][ T10] netdev_get_by_index+0x5e/0x80 [ 7588.360839][ T10] fib6_nh_init+0x3d8/0x1580 [ 7588.360839][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7588.360839][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7588.360839][ T10] ipv6_add_addr+0x411/0x2000 [ 7588.360839][ T10] inet6_addr_add+0x30e/0xa40 [ 7588.360839][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7588.360839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7588.360839][ T10] netlink_rcv_skb+0x130/0x360 [ 7588.360839][ T10] netlink_unicast+0x449/0x710 [ 7588.360839][ T10] netlink_sendmsg+0x723/0xbe0 [ 7588.360839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7588.360839][ T10] ___sys_sendmsg+0xee/0x170 [ 7588.360839][ T10] __sys_sendmsg+0xcd/0x170 [ 7588.360839][ T10] do_syscall_64+0xc6/0x1e0 [ 7588.360839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7588.360839][ T10] [ 7588.362816][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7588.362816][ T10] netdev_get_by_index+0x5e/0x80 [ 7588.362816][ T10] fib6_nh_init+0x3d8/0x1580 [ 7588.362816][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7588.362816][ T10] ip6_route_add+0x1c/0x140 [ 7588.362816][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7588.362816][ T10] addrconf_add_dev+0xe2/0x170 [ 7588.362816][ T10] inet6_addr_add+0x12f/0xa40 [ 7588.362816][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7588.362816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7588.362816][ T10] netlink_rcv_skb+0x130/0x360 [ 7588.362816][ T10] netlink_unicast+0x449/0x710 [ 7588.362816][ T10] netlink_sendmsg+0x723/0xbe0 [ 7588.362816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7588.362816][ T10] ___sys_sendmsg+0xee/0x170 [ 7588.362816][ T10] __sys_sendmsg+0xcd/0x170 [ 7588.362816][ T10] do_syscall_64+0xc6/0x1e0 [ 7588.362816][ T10] [ 7588.364755][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7588.364755][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7588.364755][ T10] ipv6_find_idev+0x102/0x170 [ 7588.364755][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7588.364755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7588.364755][ T10] netlink_rcv_skb+0x130/0x360 [ 7588.364755][ T10] netlink_unicast+0x449/0x710 [ 7588.364755][ T10] netlink_sendmsg+0x723/0xbe0 [ 7588.364755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7588.364755][ T10] ___sys_sendmsg+0xee/0x170 [ 7588.364755][ T10] __sys_sendmsg+0xcd/0x170 [ 7588.364755][ T10] do_syscall_64+0xc6/0x1e0 [ 7588.364755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7588.364755][ T10] [ 7588.366279][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7588.366279][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7588.366279][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7588.366279][ T10] ipv6_find_idev+0x102/0x170 [ 7588.366279][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7588.366279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7588.366279][ T10] netlink_rcv_skb+0x130/0x360 [ 7588.366279][ T10] netlink_unicast+0x449/0x710 [ 7588.366279][ T10] netlink_sendmsg+0x723/0xbe0 [ 7588.366279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7588.366279][ T10] ___sys_sendmsg+0xee/0x170 [ 7588.366279][ T10] __sys_sendmsg+0xcd/0x170 [ 7588.366279][ T10] do_syscall_64+0xc6/0x1e0 [ 7588.366279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7588.366279][ T10] [ 7588.367952][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7588.368206][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7588.368206][ T10] netdev_get_by_index+0x5e/0x80 [ 7588.368206][ T10] fib6_nh_init+0x3d8/0x1580 [ 7588.368206][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7588.368206][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7588.368206][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7588.368206][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7588.368206][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7588.368206][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7588.368206][ T10] addrconf_dad_begin+0x310/0x670 [ 7588.368206][ T10] addrconf_dad_work+0x10b/0xab0 [ 7588.368206][ T10] process_one_work+0x84d/0x18a0 [ 7588.368206][ T10] worker_thread+0x587/0xd30 [ 7588.368206][ T10] kthread+0x28a/0x350 [ 7588.368206][ T10] ret_from_fork+0x31/0x70 [ 7588.368206][ T10] ret_from_fork_asm+0x1a/0x30 [ 7588.368206][ T10] [ 7588.370101][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7588.370101][ T10] netdev_get_by_index+0x5e/0x80 [ 7588.370101][ T10] fib6_nh_init+0x3d8/0x1580 [ 7588.370101][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7588.370101][ T10] ip6_route_add+0x1c/0x140 [ 7588.370101][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7588.370101][ T10] inet6_addr_add+0x4f8/0xa40 [ 7588.370101][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7588.370101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7588.370101][ T10] netlink_rcv_skb+0x130/0x360 [ 7588.370101][ T10] netlink_unicast+0x449/0x710 [ 7588.370101][ T10] netlink_sendmsg+0x723/0xbe0 [ 7588.370101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7588.370101][ T10] ___sys_sendmsg+0xee/0x170 [ 7588.370101][ T10] __sys_sendmsg+0xcd/0x170 [ 7588.370101][ T10] do_syscall_64+0xc6/0x1e0 [ 7588.370101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7588.370101][ T10] [ 7588.372334][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7588.372334][ T10] netdev_get_by_index+0x5e/0x80 [ 7588.372334][ T10] fib6_nh_init+0x3d8/0x1580 [ 7588.372334][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7588.372334][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7588.372334][ T10] ipv6_add_addr+0x411/0x2000 [ 7588.372334][ T10] inet6_addr_add+0x30e/0xa40 [ 7588.372334][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7588.372334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7588.372334][ T10] netlink_rcv_skb+0x130/0x360 [ 7588.372334][ T10] netlink_unicast+0x449/0x710 [ 7588.372334][ T10] netlink_sendmsg+0x723/0xbe0 [ 7588.372334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7588.372334][ T10] ___sys_sendmsg+0xee/0x170 [ 7588.372334][ T10] __sys_sendmsg+0xcd/0x170 [ 7588.372334][ T10] do_syscall_64+0xc6/0x1e0 [ 7588.372334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7588.372334][ T10] [ 7588.374503][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7588.374503][ T10] netdev_get_by_index+0x5e/0x80 [ 7588.374503][ T10] fib6_nh_init+0x3d8/0x1580 [ 7588.374503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7588.374503][ T10] ip6_route_add+0x1c/0x140 [ 7588.374503][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7588.374503][ T10] addrconf_add_dev+0xe2/0x170 [ 7588.374503][ T10] inet6_addr_add+0x12f/0xa40 [ 7588.374503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7588.374503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7588.374503][ T10] netlink_rcv_skb+0x130/0x360 [ 7588.374503][ T10] netlink_unicast+0x449/0x710 [ 7588.374503][ T10] netlink_sendmsg+0x723/0xbe0 [ 7588.374503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7588.374503][ T10] ___sys_sendmsg+0xee/0x170 [ 7588.374503][ T10] __sys_sendmsg+0xcd/0x170 [ 7588.374503][ T10] do_syscall_64+0xc6/0x1e0 [ 7588.374503][ T10] [ 7588.376684][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7588.376684][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7588.376684][ T10] ipv6_find_idev+0x102/0x170 [ 7588.376684][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7588.376684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7588.376684][ T10] netlink_rcv_skb+0x130/0x360 [ 7588.376684][ T10] netlink_unicast+0x449/0x710 [ 7588.376684][ T10] netlink_sendmsg+0x723/0xbe0 [ 7588.376684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7588.376684][ T10] ___sys_sendmsg+0xee/0x170 [ 7588.376684][ T10] __sys_sendmsg+0xcd/0x170 [ 7588.376684][ T10] do_syscall_64+0xc6/0x1e0 [ 7588.376684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7588.376684][ T10] [ 7588.378383][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7588.378383][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7588.378383][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7588.378383][ T10] ipv6_find_idev+0x102/0x170 [ 7588.378383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7588.378383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7588.378383][ T10] netlink_rcv_skb+0x130/0x360 [ 7588.378383][ T10] netlink_unicast+0x449/0x710 [ 7588.378383][ T10] netlink_sendmsg+0x723/0xbe0 [ 7588.378383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7588.378383][ T10] ___sys_sendmsg+0xee/0x170 [ 7588.378383][ T10] __sys_sendmsg+0xcd/0x170 [ 7588.378383][ T10] do_syscall_64+0xc6/0x1e0 [ 7588.378383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7588.378383][ T10] [ 7588.380281][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7588.380584][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7588.380584][ T10] netdev_get_by_index+0x5e/0x80 [ 7588.380584][ T10] fib6_nh_init+0x3d8/0x1580 [ 7588.380584][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7588.380584][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7588.380584][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7588.380584][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7588.380584][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7588.380584][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7588.380584][ T10] addrconf_dad_begin+0x310/0x670 [ 7588.380584][ T10] addrconf_dad_work+0x10b/0xab0 [ 7588.380584][ T10] process_one_work+0x84d/0x18a0 [ 7588.380584][ T10] worker_thread+0x587/0xd30 [ 7588.380584][ T10] kthread+0x28a/0x350 [ 7588.380584][ T10] ret_from_fork+0x31/0x70 [ 7588.380584][ T10] ret_from_fork_asm+0x1a/0x30 [ 7588.380584][ T10] [ 7588.382604][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7588.382604][ T10] netdev_get_by_index+0x5e/0x80 [ 7588.382604][ T10] fib6_nh_init+0x3d8/0x1580 [ 7588.382604][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7588.382604][ T10] ip6_route_add+0x1c/0x140 [ 7588.382604][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7588.382604][ T10] inet6_addr_add+0x4f8/0xa40 [ 7588.382604][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7588.382604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7588.382604][ T10] netlink_rcv_skb+0x130/0x360 [ 7588.382604][ T10] netlink_unicast+0x449/0x710 [ 7588.382604][ T10] netlink_sendmsg+0x723/0xbe0 [ 7588.382604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7588.382604][ T10] ___sys_sendmsg+0xee/0x170 [ 7588.382604][ T10] __sys_sendmsg+0xcd/0x170 [ 7588.382604][ T10] do_syscall_64+0xc6/0x1e0 [ 7588.382604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7588.382604][ T10] [ 7588.384870][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7588.384870][ T10] netdev_get_by_index+0x5e/0x80 [ 7588.384870][ T10] fib6_nh_init+0x3d8/0x1580 [ 7588.384870][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7588.384870][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7588.384870][ T10] ipv6_add_addr+0x411/0x2000 [ 7588.384870][ T10] inet6_addr_add+0x30e/0xa40 [ 7588.384870][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7588.384870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7588.384870][ T10] netlink_rcv_skb+0x130/0x360 [ 7588.384870][ T10] netlink_unicast+0x449/0x710 [ 7588.384870][ T10] netlink_sendmsg+0x723/0xbe0 [ 7588.384870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7588.384870][ T10] ___sys_sendmsg+0xee/0x170 [ 7588.384870][ T10] __sys_sendmsg+0xcd/0x170 [ 7588.384870][ T10] do_syscall_64+0xc6/0x1e0 [ 7588.384870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7588.384870][ T10] [ 7588.387089][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7588.387089][ T10] netdev_get_by_index+0x5e/0x80 [ 7588.387089][ T10] fib6_nh_init+0x3d8/0x1580 [ 7588.387089][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7588.387089][ T10] ip6_route_add+0x1c/0x140 [ 7588.387089][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7588.387089][ T10] addrconf_add_dev+0xe2/0x170 [ 7588.387089][ T10] inet6_addr_add+0x12f/0xa40 [ 7588.387089][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7588.387089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7588.387089][ T10] netlink_rcv_skb+0x130/0x360 [ 7588.387089][ T10] netlink_unicast+0x449/0x710 [ 7588.387089][ T10] netlink_sendmsg+0x723/0xbe0 [ 7588.387089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7588.387089][ T10] ___sys_sendmsg+0xee/0x170 [ 7588.387089][ T10] __sys_sendmsg+0xcd/0x170 [ 7588.387089][ T10] do_syscall_64+0xc6/0x1e0 [ 7588.387089][ T10] [ 7588.389321][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7588.389321][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7588.389321][ T10] ipv6_find_idev+0x102/0x170 [ 7588.389321][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7588.389321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7588.389321][ T10] netlink_rcv_skb+0x130/0x360 [ 7588.389321][ T10] netlink_unicast+0x449/0x710 [ 7588.389321][ T10] netlink_sendmsg+0x723/0xbe0 [ 7588.389321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7588.389321][ T10] ___sys_sendmsg+0xee/0x170 [ 7588.389321][ T10] __sys_sendmsg+0xcd/0x170 [ 7588.389321][ T10] do_syscall_64+0xc6/0x1e0 [ 7588.389321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7588.389321][ T10] [ 7588.391011][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7588.391011][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7588.391011][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7588.391011][ T10] ipv6_find_idev+0x102/0x170 [ 7588.391011][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7588.391011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7588.391011][ T10] netlink_rcv_skb+0x130/0x360 [ 7588.391011][ T10] netlink_unicast+0x449/0x710 [ 7588.391011][ T10] netlink_sendmsg+0x723/0xbe0 [ 7588.391011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7588.391011][ T10] ___sys_sendmsg+0xee/0x170 [ 7588.391011][ T10] __sys_sendmsg+0xcd/0x170 [ 7588.391011][ T10] do_syscall_64+0xc6/0x1e0 [ 7588.391011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7588.391011][ T10] [ 7591.369133][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7591.369621][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7591.369621][ T1167] dst_init+0x84/0x4a0 [ 7591.369621][ T1167] dst_alloc+0x97/0x150 [ 7591.369621][ T1167] ip6_dst_alloc+0x23/0x90 [ 7591.369621][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7591.369621][ T1167] ip6_pol_route+0x56f/0x840 [ 7591.369621][ T1167] fib6_rule_lookup+0x334/0x630 [ 7591.369621][ T1167] ip6_route_output_flags+0x259/0x480 [ 7591.369621][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7591.369621][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7591.369621][ T1167] netlink_rcv_skb+0x130/0x360 [ 7591.369621][ T1167] netlink_unicast+0x449/0x710 [ 7591.369621][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7591.369621][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7591.369621][ T1167] ___sys_sendmsg+0xee/0x170 [ 7591.369621][ T1167] __sys_sendmsg+0xcd/0x170 [ 7591.369621][ T1167] do_syscall_64+0xc6/0x1e0 [ 7591.369621][ T1167] [ 7591.371886][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7591.371886][ T1167] netdev_get_by_index+0x5e/0x80 [ 7591.371886][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7591.371886][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7591.371886][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7591.371886][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7591.371886][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7591.371886][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7591.371886][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7591.371886][ T1167] addrconf_dad_begin+0x310/0x670 [ 7591.371886][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7591.371886][ T1167] process_one_work+0x84d/0x18a0 [ 7591.371886][ T1167] worker_thread+0x587/0xd30 [ 7591.371886][ T1167] kthread+0x28a/0x350 [ 7591.371886][ T1167] ret_from_fork+0x31/0x70 [ 7591.371886][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7591.371886][ T1167] [ 7591.374054][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7591.374054][ T1167] netdev_get_by_index+0x5e/0x80 [ 7591.374054][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7591.374054][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7591.374054][ T1167] ip6_route_add+0x1c/0x140 [ 7591.374054][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7591.374054][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7591.374054][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7591.374054][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7591.374054][ T1167] netlink_rcv_skb+0x130/0x360 [ 7591.374054][ T1167] netlink_unicast+0x449/0x710 [ 7591.374054][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7591.374054][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7591.374054][ T1167] ___sys_sendmsg+0xee/0x170 [ 7591.374054][ T1167] __sys_sendmsg+0xcd/0x170 [ 7591.374054][ T1167] do_syscall_64+0xc6/0x1e0 [ 7591.374054][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7591.374054][ T1167] [ 7591.376300][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7591.376300][ T1167] netdev_get_by_index+0x5e/0x80 [ 7591.376300][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7591.376300][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7591.376300][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7591.376300][ T1167] ipv6_add_addr+0x411/0x2000 [ 7591.376300][ T1167] inet6_addr_add+0x30e/0xa40 [ 7591.376300][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7591.376300][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7591.376300][ T1167] netlink_rcv_skb+0x130/0x360 [ 7591.376300][ T1167] netlink_unicast+0x449/0x710 [ 7591.376300][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7591.376300][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7591.376300][ T1167] ___sys_sendmsg+0xee/0x170 [ 7591.376300][ T1167] __sys_sendmsg+0xcd/0x170 [ 7591.376300][ T1167] do_syscall_64+0xc6/0x1e0 [ 7591.376300][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7591.376300][ T1167] [ 7591.378531][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7591.378531][ T1167] netdev_get_by_index+0x5e/0x80 [ 7591.378531][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7591.378531][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7591.378531][ T1167] ip6_route_add+0x1c/0x140 [ 7591.378531][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7591.378531][ T1167] addrconf_add_dev+0xe2/0x170 [ 7591.378531][ T1167] inet6_addr_add+0x12f/0xa40 [ 7591.378531][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7591.378531][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7591.378531][ T1167] netlink_rcv_skb+0x130/0x360 [ 7591.378531][ T1167] netlink_unicast+0x449/0x710 [ 7591.378531][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7591.378531][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7591.378531][ T1167] ___sys_sendmsg+0xee/0x170 [ 7591.378531][ T1167] __sys_sendmsg+0xcd/0x170 [ 7591.378531][ T1167] do_syscall_64+0xc6/0x1e0 [ 7591.378531][ T1167] [ 7591.380723][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7591.380723][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7591.380723][ T1167] ipv6_find_idev+0x102/0x170 [ 7591.380723][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7591.380723][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7591.380723][ T1167] netlink_rcv_skb+0x130/0x360 [ 7591.380723][ T1167] netlink_unicast+0x449/0x710 [ 7591.380723][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7591.380723][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7591.380723][ T1167] ___sys_sendmsg+0xee/0x170 [ 7591.380723][ T1167] __sys_sendmsg+0xcd/0x170 [ 7591.380723][ T1167] do_syscall_64+0xc6/0x1e0 [ 7591.380723][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7591.380723][ T1167] [ 7591.382452][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7591.382452][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7591.382452][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7591.382452][ T1167] ipv6_find_idev+0x102/0x170 [ 7591.382452][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7591.382452][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7591.382452][ T1167] netlink_rcv_skb+0x130/0x360 [ 7591.382452][ T1167] netlink_unicast+0x449/0x710 [ 7591.382452][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7591.382452][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7591.382452][ T1167] ___sys_sendmsg+0xee/0x170 [ 7591.382452][ T1167] __sys_sendmsg+0xcd/0x170 [ 7591.382452][ T1167] do_syscall_64+0xc6/0x1e0 [ 7591.382452][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7591.382452][ T1167] [ 7598.537135][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7598.537555][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7598.537555][ T10] netdev_get_by_index+0x5e/0x80 [ 7598.537555][ T10] fib6_nh_init+0x3d8/0x1580 [ 7598.537555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7598.537555][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7598.537555][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7598.537555][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7598.537555][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7598.537555][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7598.537555][ T10] addrconf_dad_begin+0x310/0x670 [ 7598.537555][ T10] addrconf_dad_work+0x10b/0xab0 [ 7598.537555][ T10] process_one_work+0x84d/0x18a0 [ 7598.537555][ T10] worker_thread+0x587/0xd30 [ 7598.537555][ T10] kthread+0x28a/0x350 [ 7598.537555][ T10] ret_from_fork+0x31/0x70 [ 7598.537555][ T10] ret_from_fork_asm+0x1a/0x30 [ 7598.537555][ T10] [ 7598.539474][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7598.539474][ T10] netdev_get_by_index+0x5e/0x80 [ 7598.539474][ T10] fib6_nh_init+0x3d8/0x1580 [ 7598.539474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7598.539474][ T10] ip6_route_add+0x1c/0x140 [ 7598.539474][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7598.539474][ T10] inet6_addr_add+0x4f8/0xa40 [ 7598.539474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7598.539474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7598.539474][ T10] netlink_rcv_skb+0x130/0x360 [ 7598.539474][ T10] netlink_unicast+0x449/0x710 [ 7598.539474][ T10] netlink_sendmsg+0x723/0xbe0 [ 7598.539474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7598.539474][ T10] ___sys_sendmsg+0xee/0x170 [ 7598.539474][ T10] __sys_sendmsg+0xcd/0x170 [ 7598.539474][ T10] do_syscall_64+0xc6/0x1e0 [ 7598.539474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7598.539474][ T10] [ 7598.541463][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7598.541463][ T10] netdev_get_by_index+0x5e/0x80 [ 7598.541463][ T10] fib6_nh_init+0x3d8/0x1580 [ 7598.541463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7598.541463][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7598.541463][ T10] ipv6_add_addr+0x411/0x2000 [ 7598.541463][ T10] inet6_addr_add+0x30e/0xa40 [ 7598.541463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7598.541463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7598.541463][ T10] netlink_rcv_skb+0x130/0x360 [ 7598.541463][ T10] netlink_unicast+0x449/0x710 [ 7598.541463][ T10] netlink_sendmsg+0x723/0xbe0 [ 7598.541463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7598.541463][ T10] ___sys_sendmsg+0xee/0x170 [ 7598.541463][ T10] __sys_sendmsg+0xcd/0x170 [ 7598.541463][ T10] do_syscall_64+0xc6/0x1e0 [ 7598.541463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7598.541463][ T10] [ 7598.543457][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7598.543457][ T10] netdev_get_by_index+0x5e/0x80 [ 7598.543457][ T10] fib6_nh_init+0x3d8/0x1580 [ 7598.543457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7598.543457][ T10] ip6_route_add+0x1c/0x140 [ 7598.543457][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7598.543457][ T10] addrconf_add_dev+0xe2/0x170 [ 7598.543457][ T10] inet6_addr_add+0x12f/0xa40 [ 7598.543457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7598.543457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7598.543457][ T10] netlink_rcv_skb+0x130/0x360 [ 7598.543457][ T10] netlink_unicast+0x449/0x710 [ 7598.543457][ T10] netlink_sendmsg+0x723/0xbe0 [ 7598.543457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7598.543457][ T10] ___sys_sendmsg+0xee/0x170 [ 7598.543457][ T10] __sys_sendmsg+0xcd/0x170 [ 7598.543457][ T10] do_syscall_64+0xc6/0x1e0 [ 7598.543457][ T10] [ 7598.545401][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7598.545401][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7598.545401][ T10] ipv6_find_idev+0x102/0x170 [ 7598.545401][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7598.545401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7598.545401][ T10] netlink_rcv_skb+0x130/0x360 [ 7598.545401][ T10] netlink_unicast+0x449/0x710 [ 7598.545401][ T10] netlink_sendmsg+0x723/0xbe0 [ 7598.545401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7598.545401][ T10] ___sys_sendmsg+0xee/0x170 [ 7598.545401][ T10] __sys_sendmsg+0xcd/0x170 [ 7598.545401][ T10] do_syscall_64+0xc6/0x1e0 [ 7598.545401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7598.545401][ T10] [ 7598.546922][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7598.546922][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7598.546922][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7598.546922][ T10] ipv6_find_idev+0x102/0x170 [ 7598.546922][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7598.546922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7598.546922][ T10] netlink_rcv_skb+0x130/0x360 [ 7598.546922][ T10] netlink_unicast+0x449/0x710 [ 7598.546922][ T10] netlink_sendmsg+0x723/0xbe0 [ 7598.546922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7598.546922][ T10] ___sys_sendmsg+0xee/0x170 [ 7598.546922][ T10] __sys_sendmsg+0xcd/0x170 [ 7598.546922][ T10] do_syscall_64+0xc6/0x1e0 [ 7598.546922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7598.546922][ T10] [ 7598.548592][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7598.548835][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7598.548835][ T10] netdev_get_by_index+0x5e/0x80 [ 7598.548835][ T10] fib6_nh_init+0x3d8/0x1580 [ 7598.548835][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7598.548835][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7598.548835][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7598.548835][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7598.548835][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7598.548835][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7598.548835][ T10] addrconf_dad_begin+0x310/0x670 [ 7598.548835][ T10] addrconf_dad_work+0x10b/0xab0 [ 7598.548835][ T10] process_one_work+0x84d/0x18a0 [ 7598.548835][ T10] worker_thread+0x587/0xd30 [ 7598.548835][ T10] kthread+0x28a/0x350 [ 7598.548835][ T10] ret_from_fork+0x31/0x70 [ 7598.548835][ T10] ret_from_fork_asm+0x1a/0x30 [ 7598.548835][ T10] [ 7598.550728][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7598.550728][ T10] netdev_get_by_index+0x5e/0x80 [ 7598.550728][ T10] fib6_nh_init+0x3d8/0x1580 [ 7598.550728][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7598.550728][ T10] ip6_route_add+0x1c/0x140 [ 7598.550728][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7598.550728][ T10] inet6_addr_add+0x4f8/0xa40 [ 7598.550728][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7598.550728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7598.550728][ T10] netlink_rcv_skb+0x130/0x360 [ 7598.550728][ T10] netlink_unicast+0x449/0x710 [ 7598.550728][ T10] netlink_sendmsg+0x723/0xbe0 [ 7598.550728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7598.550728][ T10] ___sys_sendmsg+0xee/0x170 [ 7598.550728][ T10] __sys_sendmsg+0xcd/0x170 [ 7598.550728][ T10] do_syscall_64+0xc6/0x1e0 [ 7598.550728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7598.550728][ T10] [ 7598.552717][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7598.552717][ T10] netdev_get_by_index+0x5e/0x80 [ 7598.552717][ T10] fib6_nh_init+0x3d8/0x1580 [ 7598.552717][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7598.552717][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7598.552717][ T10] ipv6_add_addr+0x411/0x2000 [ 7598.552717][ T10] inet6_addr_add+0x30e/0xa40 [ 7598.552717][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7598.552717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7598.552717][ T10] netlink_rcv_skb+0x130/0x360 [ 7598.552717][ T10] netlink_unicast+0x449/0x710 [ 7598.552717][ T10] netlink_sendmsg+0x723/0xbe0 [ 7598.552717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7598.552717][ T10] ___sys_sendmsg+0xee/0x170 [ 7598.552717][ T10] __sys_sendmsg+0xcd/0x170 [ 7598.552717][ T10] do_syscall_64+0xc6/0x1e0 [ 7598.552717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7598.552717][ T10] [ 7598.554692][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7598.554692][ T10] netdev_get_by_index+0x5e/0x80 [ 7598.554692][ T10] fib6_nh_init+0x3d8/0x1580 [ 7598.554692][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7598.554692][ T10] ip6_route_add+0x1c/0x140 [ 7598.554692][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7598.554692][ T10] addrconf_add_dev+0xe2/0x170 [ 7598.554692][ T10] inet6_addr_add+0x12f/0xa40 [ 7598.554692][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7598.554692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7598.554692][ T10] netlink_rcv_skb+0x130/0x360 [ 7598.554692][ T10] netlink_unicast+0x449/0x710 [ 7598.554692][ T10] netlink_sendmsg+0x723/0xbe0 [ 7598.554692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7598.554692][ T10] ___sys_sendmsg+0xee/0x170 [ 7598.554692][ T10] __sys_sendmsg+0xcd/0x170 [ 7598.554692][ T10] do_syscall_64+0xc6/0x1e0 [ 7598.554692][ T10] [ 7598.556622][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7598.556622][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7598.556622][ T10] ipv6_find_idev+0x102/0x170 [ 7598.556622][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7598.556622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7598.556622][ T10] netlink_rcv_skb+0x130/0x360 [ 7598.556622][ T10] netlink_unicast+0x449/0x710 [ 7598.556622][ T10] netlink_sendmsg+0x723/0xbe0 [ 7598.556622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7598.556622][ T10] ___sys_sendmsg+0xee/0x170 [ 7598.556622][ T10] __sys_sendmsg+0xcd/0x170 [ 7598.556622][ T10] do_syscall_64+0xc6/0x1e0 [ 7598.556622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7598.556622][ T10] [ 7598.558139][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7598.558139][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7598.558139][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7598.558139][ T10] ipv6_find_idev+0x102/0x170 [ 7598.558139][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7598.558139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7598.558139][ T10] netlink_rcv_skb+0x130/0x360 [ 7598.558139][ T10] netlink_unicast+0x449/0x710 [ 7598.558139][ T10] netlink_sendmsg+0x723/0xbe0 [ 7598.558139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7598.558139][ T10] ___sys_sendmsg+0xee/0x170 [ 7598.558139][ T10] __sys_sendmsg+0xcd/0x170 [ 7598.558139][ T10] do_syscall_64+0xc6/0x1e0 [ 7598.558139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7598.558139][ T10] [ 7598.559803][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7598.560036][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7598.560036][ T10] netdev_get_by_index+0x5e/0x80 [ 7598.560036][ T10] fib6_nh_init+0x3d8/0x1580 [ 7598.560036][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7598.560036][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7598.560036][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7598.560036][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7598.560036][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7598.560036][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7598.560036][ T10] addrconf_dad_begin+0x310/0x670 [ 7598.560036][ T10] addrconf_dad_work+0x10b/0xab0 [ 7598.560036][ T10] process_one_work+0x84d/0x18a0 [ 7598.560036][ T10] worker_thread+0x587/0xd30 [ 7598.560036][ T10] kthread+0x28a/0x350 [ 7598.560036][ T10] ret_from_fork+0x31/0x70 [ 7598.560036][ T10] ret_from_fork_asm+0x1a/0x30 [ 7598.560036][ T10] [ 7598.561917][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7598.561917][ T10] netdev_get_by_index+0x5e/0x80 [ 7598.561917][ T10] fib6_nh_init+0x3d8/0x1580 [ 7598.561917][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7598.561917][ T10] ip6_route_add+0x1c/0x140 [ 7598.561917][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7598.561917][ T10] inet6_addr_add+0x4f8/0xa40 [ 7598.561917][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7598.561917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7598.561917][ T10] netlink_rcv_skb+0x130/0x360 [ 7598.561917][ T10] netlink_unicast+0x449/0x710 [ 7598.561917][ T10] netlink_sendmsg+0x723/0xbe0 [ 7598.561917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7598.561917][ T10] ___sys_sendmsg+0xee/0x170 [ 7598.561917][ T10] __sys_sendmsg+0xcd/0x170 [ 7598.561917][ T10] do_syscall_64+0xc6/0x1e0 [ 7598.561917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7598.561917][ T10] [ 7598.564018][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7598.564018][ T10] netdev_get_by_index+0x5e/0x80 [ 7598.564018][ T10] fib6_nh_init+0x3d8/0x1580 [ 7598.564018][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7598.564018][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7598.564018][ T10] ipv6_add_addr+0x411/0x2000 [ 7598.564018][ T10] inet6_addr_add+0x30e/0xa40 [ 7598.564018][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7598.564018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7598.564018][ T10] netlink_rcv_skb+0x130/0x360 [ 7598.564018][ T10] netlink_unicast+0x449/0x710 [ 7598.564018][ T10] netlink_sendmsg+0x723/0xbe0 [ 7598.564018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7598.564018][ T10] ___sys_sendmsg+0xee/0x170 [ 7598.564018][ T10] __sys_sendmsg+0xcd/0x170 [ 7598.564018][ T10] do_syscall_64+0xc6/0x1e0 [ 7598.564018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7598.564018][ T10] [ 7598.566112][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7598.566112][ T10] netdev_get_by_index+0x5e/0x80 [ 7598.566112][ T10] fib6_nh_init+0x3d8/0x1580 [ 7598.566112][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7598.566112][ T10] ip6_route_add+0x1c/0x140 [ 7598.566112][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7598.566112][ T10] addrconf_add_dev+0xe2/0x170 [ 7598.566112][ T10] inet6_addr_add+0x12f/0xa40 [ 7598.566112][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7598.566112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7598.566112][ T10] netlink_rcv_skb+0x130/0x360 [ 7598.566112][ T10] netlink_unicast+0x449/0x710 [ 7598.566112][ T10] netlink_sendmsg+0x723/0xbe0 [ 7598.566112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7598.566112][ T10] ___sys_sendmsg+0xee/0x170 [ 7598.566112][ T10] __sys_sendmsg+0xcd/0x170 [ 7598.566112][ T10] do_syscall_64+0xc6/0x1e0 [ 7598.566112][ T10] [ 7598.568171][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7598.568171][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7598.568171][ T10] ipv6_find_idev+0x102/0x170 [ 7598.568171][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7598.568171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7598.568171][ T10] netlink_rcv_skb+0x130/0x360 [ 7598.568171][ T10] netlink_unicast+0x449/0x710 [ 7598.568171][ T10] netlink_sendmsg+0x723/0xbe0 [ 7598.568171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7598.568171][ T10] ___sys_sendmsg+0xee/0x170 [ 7598.568171][ T10] __sys_sendmsg+0xcd/0x170 [ 7598.568171][ T10] do_syscall_64+0xc6/0x1e0 [ 7598.568171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7598.568171][ T10] [ 7598.569872][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7598.569872][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7598.569872][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7598.569872][ T10] ipv6_find_idev+0x102/0x170 [ 7598.569872][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7598.569872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7598.569872][ T10] netlink_rcv_skb+0x130/0x360 [ 7598.569872][ T10] netlink_unicast+0x449/0x710 [ 7598.569872][ T10] netlink_sendmsg+0x723/0xbe0 [ 7598.569872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7598.569872][ T10] ___sys_sendmsg+0xee/0x170 [ 7598.569872][ T10] __sys_sendmsg+0xcd/0x170 [ 7598.569872][ T10] do_syscall_64+0xc6/0x1e0 [ 7598.569872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7598.569872][ T10] [ 7598.571605][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7598.571909][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7598.571909][ T10] netdev_get_by_index+0x5e/0x80 [ 7598.571909][ T10] fib6_nh_init+0x3d8/0x1580 [ 7598.571909][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7598.571909][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7598.571909][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7598.571909][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7598.571909][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7598.571909][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7598.571909][ T10] addrconf_dad_begin+0x310/0x670 [ 7598.571909][ T10] addrconf_dad_work+0x10b/0xab0 [ 7598.571909][ T10] process_one_work+0x84d/0x18a0 [ 7598.571909][ T10] worker_thread+0x587/0xd30 [ 7598.571909][ T10] kthread+0x28a/0x350 [ 7598.571909][ T10] ret_from_fork+0x31/0x70 [ 7598.571909][ T10] ret_from_fork_asm+0x1a/0x30 [ 7598.571909][ T10] [ 7598.573862][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7598.573862][ T10] netdev_get_by_index+0x5e/0x80 [ 7598.573862][ T10] fib6_nh_init+0x3d8/0x1580 [ 7598.573862][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7598.573862][ T10] ip6_route_add+0x1c/0x140 [ 7598.573862][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7598.573862][ T10] inet6_addr_add+0x4f8/0xa40 [ 7598.573862][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7598.573862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7598.573862][ T10] netlink_rcv_skb+0x130/0x360 [ 7598.573862][ T10] netlink_unicast+0x449/0x710 [ 7598.573862][ T10] netlink_sendmsg+0x723/0xbe0 [ 7598.573862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7598.573862][ T10] ___sys_sendmsg+0xee/0x170 [ 7598.573862][ T10] __sys_sendmsg+0xcd/0x170 [ 7598.573862][ T10] do_syscall_64+0xc6/0x1e0 [ 7598.573862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7598.573862][ T10] [ 7598.575957][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7598.575957][ T10] netdev_get_by_index+0x5e/0x80 [ 7598.575957][ T10] fib6_nh_init+0x3d8/0x1580 [ 7598.575957][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7598.575957][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7598.575957][ T10] ipv6_add_addr+0x411/0x2000 [ 7598.575957][ T10] inet6_addr_add+0x30e/0xa40 [ 7598.575957][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7598.575957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7598.575957][ T10] netlink_rcv_skb+0x130/0x360 [ 7598.575957][ T10] netlink_unicast+0x449/0x710 [ 7598.575957][ T10] netlink_sendmsg+0x723/0xbe0 [ 7598.575957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7598.575957][ T10] ___sys_sendmsg+0xee/0x170 [ 7598.575957][ T10] __sys_sendmsg+0xcd/0x170 [ 7598.575957][ T10] do_syscall_64+0xc6/0x1e0 [ 7598.575957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7598.575957][ T10] [ 7598.578058][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7598.578058][ T10] netdev_get_by_index+0x5e/0x80 [ 7598.578058][ T10] fib6_nh_init+0x3d8/0x1580 [ 7598.578058][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7598.578058][ T10] ip6_route_add+0x1c/0x140 [ 7598.578058][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7598.578058][ T10] addrconf_add_dev+0xe2/0x170 [ 7598.578058][ T10] inet6_addr_add+0x12f/0xa40 [ 7598.578058][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7598.578058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7598.578058][ T10] netlink_rcv_skb+0x130/0x360 [ 7598.578058][ T10] netlink_unicast+0x449/0x710 [ 7598.578058][ T10] netlink_sendmsg+0x723/0xbe0 [ 7598.578058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7598.578058][ T10] ___sys_sendmsg+0xee/0x170 [ 7598.578058][ T10] __sys_sendmsg+0xcd/0x170 [ 7598.578058][ T10] do_syscall_64+0xc6/0x1e0 [ 7598.578058][ T10] [ 7598.580118][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7598.580118][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7598.580118][ T10] ipv6_find_idev+0x102/0x170 [ 7598.580118][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7598.580118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7598.580118][ T10] netlink_rcv_skb+0x130/0x360 [ 7598.580118][ T10] netlink_unicast+0x449/0x710 [ 7598.580118][ T10] netlink_sendmsg+0x723/0xbe0 [ 7598.580118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7598.580118][ T10] ___sys_sendmsg+0xee/0x170 [ 7598.580118][ T10] __sys_sendmsg+0xcd/0x170 [ 7598.580118][ T10] do_syscall_64+0xc6/0x1e0 [ 7598.580118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7598.580118][ T10] [ 7598.581763][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7598.581763][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7598.581763][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7598.581763][ T10] ipv6_find_idev+0x102/0x170 [ 7598.581763][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7598.581763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7598.581763][ T10] netlink_rcv_skb+0x130/0x360 [ 7598.581763][ T10] netlink_unicast+0x449/0x710 [ 7598.581763][ T10] netlink_sendmsg+0x723/0xbe0 [ 7598.581763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7598.581763][ T10] ___sys_sendmsg+0xee/0x170 [ 7598.581763][ T10] __sys_sendmsg+0xcd/0x170 [ 7598.581763][ T10] do_syscall_64+0xc6/0x1e0 [ 7598.581763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7598.581763][ T10] [ 7601.409114][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7601.409618][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7601.409618][ T1167] dst_init+0x84/0x4a0 [ 7601.409618][ T1167] dst_alloc+0x97/0x150 [ 7601.409618][ T1167] ip6_dst_alloc+0x23/0x90 [ 7601.409618][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7601.409618][ T1167] ip6_pol_route+0x56f/0x840 [ 7601.409618][ T1167] fib6_rule_lookup+0x334/0x630 [ 7601.409618][ T1167] ip6_route_output_flags+0x259/0x480 [ 7601.409618][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7601.409618][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7601.409618][ T1167] netlink_rcv_skb+0x130/0x360 [ 7601.409618][ T1167] netlink_unicast+0x449/0x710 [ 7601.409618][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7601.409618][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7601.409618][ T1167] ___sys_sendmsg+0xee/0x170 [ 7601.409618][ T1167] __sys_sendmsg+0xcd/0x170 [ 7601.409618][ T1167] do_syscall_64+0xc6/0x1e0 [ 7601.409618][ T1167] [ 7601.411803][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7601.411803][ T1167] netdev_get_by_index+0x5e/0x80 [ 7601.411803][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7601.411803][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7601.411803][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7601.411803][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7601.411803][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7601.411803][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7601.411803][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7601.411803][ T1167] addrconf_dad_begin+0x310/0x670 [ 7601.411803][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7601.411803][ T1167] process_one_work+0x84d/0x18a0 [ 7601.411803][ T1167] worker_thread+0x587/0xd30 [ 7601.411803][ T1167] kthread+0x28a/0x350 [ 7601.411803][ T1167] ret_from_fork+0x31/0x70 [ 7601.411803][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7601.411803][ T1167] [ 7601.413947][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7601.413947][ T1167] netdev_get_by_index+0x5e/0x80 [ 7601.413947][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7601.413947][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7601.413947][ T1167] ip6_route_add+0x1c/0x140 [ 7601.413947][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7601.413947][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7601.413947][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7601.413947][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7601.413947][ T1167] netlink_rcv_skb+0x130/0x360 [ 7601.413947][ T1167] netlink_unicast+0x449/0x710 [ 7601.413947][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7601.413947][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7601.413947][ T1167] ___sys_sendmsg+0xee/0x170 [ 7601.413947][ T1167] __sys_sendmsg+0xcd/0x170 [ 7601.413947][ T1167] do_syscall_64+0xc6/0x1e0 [ 7601.413947][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7601.413947][ T1167] [ 7601.416173][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7601.416173][ T1167] netdev_get_by_index+0x5e/0x80 [ 7601.416173][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7601.416173][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7601.416173][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7601.416173][ T1167] ipv6_add_addr+0x411/0x2000 [ 7601.416173][ T1167] inet6_addr_add+0x30e/0xa40 [ 7601.416173][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7601.416173][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7601.416173][ T1167] netlink_rcv_skb+0x130/0x360 [ 7601.416173][ T1167] netlink_unicast+0x449/0x710 [ 7601.416173][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7601.416173][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7601.416173][ T1167] ___sys_sendmsg+0xee/0x170 [ 7601.416173][ T1167] __sys_sendmsg+0xcd/0x170 [ 7601.416173][ T1167] do_syscall_64+0xc6/0x1e0 [ 7601.416173][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7601.416173][ T1167] [ 7601.418419][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7601.418419][ T1167] netdev_get_by_index+0x5e/0x80 [ 7601.418419][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7601.418419][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7601.418419][ T1167] ip6_route_add+0x1c/0x140 [ 7601.418419][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7601.418419][ T1167] addrconf_add_dev+0xe2/0x170 [ 7601.418419][ T1167] inet6_addr_add+0x12f/0xa40 [ 7601.418419][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7601.418419][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7601.418419][ T1167] netlink_rcv_skb+0x130/0x360 [ 7601.418419][ T1167] netlink_unicast+0x449/0x710 [ 7601.418419][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7601.418419][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7601.418419][ T1167] ___sys_sendmsg+0xee/0x170 [ 7601.418419][ T1167] __sys_sendmsg+0xcd/0x170 [ 7601.418419][ T1167] do_syscall_64+0xc6/0x1e0 [ 7601.418419][ T1167] [ 7601.420606][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7601.420606][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7601.420606][ T1167] ipv6_find_idev+0x102/0x170 [ 7601.420606][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7601.420606][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7601.420606][ T1167] netlink_rcv_skb+0x130/0x360 [ 7601.420606][ T1167] netlink_unicast+0x449/0x710 [ 7601.420606][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7601.420606][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7601.420606][ T1167] ___sys_sendmsg+0xee/0x170 [ 7601.420606][ T1167] __sys_sendmsg+0xcd/0x170 [ 7601.420606][ T1167] do_syscall_64+0xc6/0x1e0 [ 7601.420606][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7601.420606][ T1167] [ 7601.422325][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7601.422325][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7601.422325][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7601.422325][ T1167] ipv6_find_idev+0x102/0x170 [ 7601.422325][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7601.422325][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7601.422325][ T1167] netlink_rcv_skb+0x130/0x360 [ 7601.422325][ T1167] netlink_unicast+0x449/0x710 [ 7601.422325][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7601.422325][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7601.422325][ T1167] ___sys_sendmsg+0xee/0x170 [ 7601.422325][ T1167] __sys_sendmsg+0xcd/0x170 [ 7601.422325][ T1167] do_syscall_64+0xc6/0x1e0 [ 7601.422325][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7601.422325][ T1167] [ 7608.825135][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7608.825503][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7608.825503][ T10] netdev_get_by_index+0x5e/0x80 [ 7608.825503][ T10] fib6_nh_init+0x3d8/0x1580 [ 7608.825503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7608.825503][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7608.825503][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7608.825503][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7608.825503][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7608.825503][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7608.825503][ T10] addrconf_dad_begin+0x310/0x670 [ 7608.825503][ T10] addrconf_dad_work+0x10b/0xab0 [ 7608.825503][ T10] process_one_work+0x84d/0x18a0 [ 7608.825503][ T10] worker_thread+0x587/0xd30 [ 7608.825503][ T10] kthread+0x28a/0x350 [ 7608.825503][ T10] ret_from_fork+0x31/0x70 [ 7608.825503][ T10] ret_from_fork_asm+0x1a/0x30 [ 7608.825503][ T10] [ 7608.827420][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7608.827420][ T10] netdev_get_by_index+0x5e/0x80 [ 7608.827420][ T10] fib6_nh_init+0x3d8/0x1580 [ 7608.827420][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7608.827420][ T10] ip6_route_add+0x1c/0x140 [ 7608.827420][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7608.827420][ T10] inet6_addr_add+0x4f8/0xa40 [ 7608.827420][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7608.827420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7608.827420][ T10] netlink_rcv_skb+0x130/0x360 [ 7608.827420][ T10] netlink_unicast+0x449/0x710 [ 7608.827420][ T10] netlink_sendmsg+0x723/0xbe0 [ 7608.827420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7608.827420][ T10] ___sys_sendmsg+0xee/0x170 [ 7608.827420][ T10] __sys_sendmsg+0xcd/0x170 [ 7608.827420][ T10] do_syscall_64+0xc6/0x1e0 [ 7608.827420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7608.827420][ T10] [ 7608.829404][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7608.829404][ T10] netdev_get_by_index+0x5e/0x80 [ 7608.829404][ T10] fib6_nh_init+0x3d8/0x1580 [ 7608.829404][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7608.829404][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7608.829404][ T10] ipv6_add_addr+0x411/0x2000 [ 7608.829404][ T10] inet6_addr_add+0x30e/0xa40 [ 7608.829404][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7608.829404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7608.829404][ T10] netlink_rcv_skb+0x130/0x360 [ 7608.829404][ T10] netlink_unicast+0x449/0x710 [ 7608.829404][ T10] netlink_sendmsg+0x723/0xbe0 [ 7608.829404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7608.829404][ T10] ___sys_sendmsg+0xee/0x170 [ 7608.829404][ T10] __sys_sendmsg+0xcd/0x170 [ 7608.829404][ T10] do_syscall_64+0xc6/0x1e0 [ 7608.829404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7608.829404][ T10] [ 7608.831390][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7608.831390][ T10] netdev_get_by_index+0x5e/0x80 [ 7608.831390][ T10] fib6_nh_init+0x3d8/0x1580 [ 7608.831390][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7608.831390][ T10] ip6_route_add+0x1c/0x140 [ 7608.831390][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7608.831390][ T10] addrconf_add_dev+0xe2/0x170 [ 7608.831390][ T10] inet6_addr_add+0x12f/0xa40 [ 7608.831390][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7608.831390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7608.831390][ T10] netlink_rcv_skb+0x130/0x360 [ 7608.831390][ T10] netlink_unicast+0x449/0x710 [ 7608.831390][ T10] netlink_sendmsg+0x723/0xbe0 [ 7608.831390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7608.831390][ T10] ___sys_sendmsg+0xee/0x170 [ 7608.831390][ T10] __sys_sendmsg+0xcd/0x170 [ 7608.831390][ T10] do_syscall_64+0xc6/0x1e0 [ 7608.831390][ T10] [ 7608.833393][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7608.833393][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7608.833393][ T10] ipv6_find_idev+0x102/0x170 [ 7608.833393][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7608.833393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7608.833393][ T10] netlink_rcv_skb+0x130/0x360 [ 7608.833393][ T10] netlink_unicast+0x449/0x710 [ 7608.833393][ T10] netlink_sendmsg+0x723/0xbe0 [ 7608.833393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7608.833393][ T10] ___sys_sendmsg+0xee/0x170 [ 7608.833393][ T10] __sys_sendmsg+0xcd/0x170 [ 7608.833393][ T10] do_syscall_64+0xc6/0x1e0 [ 7608.833393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7608.833393][ T10] [ 7608.834920][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7608.834920][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7608.834920][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7608.834920][ T10] ipv6_find_idev+0x102/0x170 [ 7608.834920][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7608.834920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7608.834920][ T10] netlink_rcv_skb+0x130/0x360 [ 7608.834920][ T10] netlink_unicast+0x449/0x710 [ 7608.834920][ T10] netlink_sendmsg+0x723/0xbe0 [ 7608.834920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7608.834920][ T10] ___sys_sendmsg+0xee/0x170 [ 7608.834920][ T10] __sys_sendmsg+0xcd/0x170 [ 7608.834920][ T10] do_syscall_64+0xc6/0x1e0 [ 7608.834920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7608.834920][ T10] [ 7608.836591][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7608.836842][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7608.836842][ T10] netdev_get_by_index+0x5e/0x80 [ 7608.836842][ T10] fib6_nh_init+0x3d8/0x1580 [ 7608.836842][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7608.836842][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7608.836842][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7608.836842][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7608.836842][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7608.836842][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7608.836842][ T10] addrconf_dad_begin+0x310/0x670 [ 7608.836842][ T10] addrconf_dad_work+0x10b/0xab0 [ 7608.836842][ T10] process_one_work+0x84d/0x18a0 [ 7608.836842][ T10] worker_thread+0x587/0xd30 [ 7608.836842][ T10] kthread+0x28a/0x350 [ 7608.836842][ T10] ret_from_fork+0x31/0x70 [ 7608.836842][ T10] ret_from_fork_asm+0x1a/0x30 [ 7608.836842][ T10] [ 7608.838726][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7608.838726][ T10] netdev_get_by_index+0x5e/0x80 [ 7608.838726][ T10] fib6_nh_init+0x3d8/0x1580 [ 7608.838726][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7608.838726][ T10] ip6_route_add+0x1c/0x140 [ 7608.838726][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7608.838726][ T10] inet6_addr_add+0x4f8/0xa40 [ 7608.838726][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7608.838726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7608.838726][ T10] netlink_rcv_skb+0x130/0x360 [ 7608.838726][ T10] netlink_unicast+0x449/0x710 [ 7608.838726][ T10] netlink_sendmsg+0x723/0xbe0 [ 7608.838726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7608.838726][ T10] ___sys_sendmsg+0xee/0x170 [ 7608.838726][ T10] __sys_sendmsg+0xcd/0x170 [ 7608.838726][ T10] do_syscall_64+0xc6/0x1e0 [ 7608.838726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7608.838726][ T10] [ 7608.840699][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7608.840699][ T10] netdev_get_by_index+0x5e/0x80 [ 7608.840699][ T10] fib6_nh_init+0x3d8/0x1580 [ 7608.840699][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7608.840699][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7608.840699][ T10] ipv6_add_addr+0x411/0x2000 [ 7608.840699][ T10] inet6_addr_add+0x30e/0xa40 [ 7608.840699][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7608.840699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7608.840699][ T10] netlink_rcv_skb+0x130/0x360 [ 7608.840699][ T10] netlink_unicast+0x449/0x710 [ 7608.840699][ T10] netlink_sendmsg+0x723/0xbe0 [ 7608.840699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7608.840699][ T10] ___sys_sendmsg+0xee/0x170 [ 7608.840699][ T10] __sys_sendmsg+0xcd/0x170 [ 7608.840699][ T10] do_syscall_64+0xc6/0x1e0 [ 7608.840699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7608.840699][ T10] [ 7608.842695][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7608.842695][ T10] netdev_get_by_index+0x5e/0x80 [ 7608.842695][ T10] fib6_nh_init+0x3d8/0x1580 [ 7608.842695][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7608.842695][ T10] ip6_route_add+0x1c/0x140 [ 7608.842695][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7608.842695][ T10] addrconf_add_dev+0xe2/0x170 [ 7608.842695][ T10] inet6_addr_add+0x12f/0xa40 [ 7608.842695][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7608.842695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7608.842695][ T10] netlink_rcv_skb+0x130/0x360 [ 7608.842695][ T10] netlink_unicast+0x449/0x710 [ 7608.842695][ T10] netlink_sendmsg+0x723/0xbe0 [ 7608.842695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7608.842695][ T10] ___sys_sendmsg+0xee/0x170 [ 7608.842695][ T10] __sys_sendmsg+0xcd/0x170 [ 7608.842695][ T10] do_syscall_64+0xc6/0x1e0 [ 7608.842695][ T10] [ 7608.844634][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7608.844634][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7608.844634][ T10] ipv6_find_idev+0x102/0x170 [ 7608.844634][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7608.844634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7608.844634][ T10] netlink_rcv_skb+0x130/0x360 [ 7608.844634][ T10] netlink_unicast+0x449/0x710 [ 7608.844634][ T10] netlink_sendmsg+0x723/0xbe0 [ 7608.844634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7608.844634][ T10] ___sys_sendmsg+0xee/0x170 [ 7608.844634][ T10] __sys_sendmsg+0xcd/0x170 [ 7608.844634][ T10] do_syscall_64+0xc6/0x1e0 [ 7608.844634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7608.844634][ T10] [ 7608.846143][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7608.846143][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7608.846143][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7608.846143][ T10] ipv6_find_idev+0x102/0x170 [ 7608.846143][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7608.846143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7608.846143][ T10] netlink_rcv_skb+0x130/0x360 [ 7608.846143][ T10] netlink_unicast+0x449/0x710 [ 7608.846143][ T10] netlink_sendmsg+0x723/0xbe0 [ 7608.846143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7608.846143][ T10] ___sys_sendmsg+0xee/0x170 [ 7608.846143][ T10] __sys_sendmsg+0xcd/0x170 [ 7608.846143][ T10] do_syscall_64+0xc6/0x1e0 [ 7608.846143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7608.846143][ T10] [ 7608.847792][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7608.848031][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7608.848031][ T10] netdev_get_by_index+0x5e/0x80 [ 7608.848031][ T10] fib6_nh_init+0x3d8/0x1580 [ 7608.848031][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7608.848031][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7608.848031][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7608.848031][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7608.848031][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7608.848031][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7608.848031][ T10] addrconf_dad_begin+0x310/0x670 [ 7608.848031][ T10] addrconf_dad_work+0x10b/0xab0 [ 7608.848031][ T10] process_one_work+0x84d/0x18a0 [ 7608.848031][ T10] worker_thread+0x587/0xd30 [ 7608.848031][ T10] kthread+0x28a/0x350 [ 7608.848031][ T10] ret_from_fork+0x31/0x70 [ 7608.848031][ T10] ret_from_fork_asm+0x1a/0x30 [ 7608.848031][ T10] [ 7608.849917][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7608.849917][ T10] netdev_get_by_index+0x5e/0x80 [ 7608.849917][ T10] fib6_nh_init+0x3d8/0x1580 [ 7608.849917][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7608.849917][ T10] ip6_route_add+0x1c/0x140 [ 7608.849917][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7608.849917][ T10] inet6_addr_add+0x4f8/0xa40 [ 7608.849917][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7608.849917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7608.849917][ T10] netlink_rcv_skb+0x130/0x360 [ 7608.849917][ T10] netlink_unicast+0x449/0x710 [ 7608.849917][ T10] netlink_sendmsg+0x723/0xbe0 [ 7608.849917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7608.849917][ T10] ___sys_sendmsg+0xee/0x170 [ 7608.849917][ T10] __sys_sendmsg+0xcd/0x170 [ 7608.849917][ T10] do_syscall_64+0xc6/0x1e0 [ 7608.849917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7608.849917][ T10] [ 7608.852004][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7608.852004][ T10] netdev_get_by_index+0x5e/0x80 [ 7608.852004][ T10] fib6_nh_init+0x3d8/0x1580 [ 7608.852004][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7608.852004][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7608.852004][ T10] ipv6_add_addr+0x411/0x2000 [ 7608.852004][ T10] inet6_addr_add+0x30e/0xa40 [ 7608.852004][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7608.852004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7608.852004][ T10] netlink_rcv_skb+0x130/0x360 [ 7608.852004][ T10] netlink_unicast+0x449/0x710 [ 7608.852004][ T10] netlink_sendmsg+0x723/0xbe0 [ 7608.852004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7608.852004][ T10] ___sys_sendmsg+0xee/0x170 [ 7608.852004][ T10] __sys_sendmsg+0xcd/0x170 [ 7608.852004][ T10] do_syscall_64+0xc6/0x1e0 [ 7608.852004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7608.852004][ T10] [ 7608.854106][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7608.854106][ T10] netdev_get_by_index+0x5e/0x80 [ 7608.854106][ T10] fib6_nh_init+0x3d8/0x1580 [ 7608.854106][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7608.854106][ T10] ip6_route_add+0x1c/0x140 [ 7608.854106][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7608.854106][ T10] addrconf_add_dev+0xe2/0x170 [ 7608.854106][ T10] inet6_addr_add+0x12f/0xa40 [ 7608.854106][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7608.854106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7608.854106][ T10] netlink_rcv_skb+0x130/0x360 [ 7608.854106][ T10] netlink_unicast+0x449/0x710 [ 7608.854106][ T10] netlink_sendmsg+0x723/0xbe0 [ 7608.854106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7608.854106][ T10] ___sys_sendmsg+0xee/0x170 [ 7608.854106][ T10] __sys_sendmsg+0xcd/0x170 [ 7608.854106][ T10] do_syscall_64+0xc6/0x1e0 [ 7608.854106][ T10] [ 7608.856167][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7608.856167][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7608.856167][ T10] ipv6_find_idev+0x102/0x170 [ 7608.856167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7608.856167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7608.856167][ T10] netlink_rcv_skb+0x130/0x360 [ 7608.856167][ T10] netlink_unicast+0x449/0x710 [ 7608.856167][ T10] netlink_sendmsg+0x723/0xbe0 [ 7608.856167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7608.856167][ T10] ___sys_sendmsg+0xee/0x170 [ 7608.856167][ T10] __sys_sendmsg+0xcd/0x170 [ 7608.856167][ T10] do_syscall_64+0xc6/0x1e0 [ 7608.856167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7608.856167][ T10] [ 7608.857808][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7608.857808][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7608.857808][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7608.857808][ T10] ipv6_find_idev+0x102/0x170 [ 7608.857808][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7608.857808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7608.857808][ T10] netlink_rcv_skb+0x130/0x360 [ 7608.857808][ T10] netlink_unicast+0x449/0x710 [ 7608.857808][ T10] netlink_sendmsg+0x723/0xbe0 [ 7608.857808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7608.857808][ T10] ___sys_sendmsg+0xee/0x170 [ 7608.857808][ T10] __sys_sendmsg+0xcd/0x170 [ 7608.857808][ T10] do_syscall_64+0xc6/0x1e0 [ 7608.857808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7608.857808][ T10] [ 7608.859534][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7608.859842][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7608.859842][ T10] netdev_get_by_index+0x5e/0x80 [ 7608.859842][ T10] fib6_nh_init+0x3d8/0x1580 [ 7608.859842][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7608.859842][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7608.859842][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7608.859842][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7608.859842][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7608.859842][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7608.859842][ T10] addrconf_dad_begin+0x310/0x670 [ 7608.859842][ T10] addrconf_dad_work+0x10b/0xab0 [ 7608.859842][ T10] process_one_work+0x84d/0x18a0 [ 7608.859842][ T10] worker_thread+0x587/0xd30 [ 7608.859842][ T10] kthread+0x28a/0x350 [ 7608.859842][ T10] ret_from_fork+0x31/0x70 [ 7608.859842][ T10] ret_from_fork_asm+0x1a/0x30 [ 7608.859842][ T10] [ 7608.861783][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7608.861783][ T10] netdev_get_by_index+0x5e/0x80 [ 7608.861783][ T10] fib6_nh_init+0x3d8/0x1580 [ 7608.861783][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7608.861783][ T10] ip6_route_add+0x1c/0x140 [ 7608.861783][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7608.861783][ T10] inet6_addr_add+0x4f8/0xa40 [ 7608.861783][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7608.861783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7608.861783][ T10] netlink_rcv_skb+0x130/0x360 [ 7608.861783][ T10] netlink_unicast+0x449/0x710 [ 7608.861783][ T10] netlink_sendmsg+0x723/0xbe0 [ 7608.861783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7608.861783][ T10] ___sys_sendmsg+0xee/0x170 [ 7608.861783][ T10] __sys_sendmsg+0xcd/0x170 [ 7608.861783][ T10] do_syscall_64+0xc6/0x1e0 [ 7608.861783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7608.861783][ T10] [ 7608.863879][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7608.863879][ T10] netdev_get_by_index+0x5e/0x80 [ 7608.863879][ T10] fib6_nh_init+0x3d8/0x1580 [ 7608.863879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7608.863879][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7608.863879][ T10] ipv6_add_addr+0x411/0x2000 [ 7608.863879][ T10] inet6_addr_add+0x30e/0xa40 [ 7608.863879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7608.863879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7608.863879][ T10] netlink_rcv_skb+0x130/0x360 [ 7608.863879][ T10] netlink_unicast+0x449/0x710 [ 7608.863879][ T10] netlink_sendmsg+0x723/0xbe0 [ 7608.863879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7608.863879][ T10] ___sys_sendmsg+0xee/0x170 [ 7608.863879][ T10] __sys_sendmsg+0xcd/0x170 [ 7608.863879][ T10] do_syscall_64+0xc6/0x1e0 [ 7608.863879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7608.863879][ T10] [ 7608.865967][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7608.865967][ T10] netdev_get_by_index+0x5e/0x80 [ 7608.865967][ T10] fib6_nh_init+0x3d8/0x1580 [ 7608.865967][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7608.865967][ T10] ip6_route_add+0x1c/0x140 [ 7608.865967][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7608.865967][ T10] addrconf_add_dev+0xe2/0x170 [ 7608.865967][ T10] inet6_addr_add+0x12f/0xa40 [ 7608.865967][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7608.865967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7608.865967][ T10] netlink_rcv_skb+0x130/0x360 [ 7608.865967][ T10] netlink_unicast+0x449/0x710 [ 7608.865967][ T10] netlink_sendmsg+0x723/0xbe0 [ 7608.865967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7608.865967][ T10] ___sys_sendmsg+0xee/0x170 [ 7608.865967][ T10] __sys_sendmsg+0xcd/0x170 [ 7608.865967][ T10] do_syscall_64+0xc6/0x1e0 [ 7608.865967][ T10] [ 7608.868041][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7608.868041][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7608.868041][ T10] ipv6_find_idev+0x102/0x170 [ 7608.868041][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7608.868041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7608.868041][ T10] netlink_rcv_skb+0x130/0x360 [ 7608.868041][ T10] netlink_unicast+0x449/0x710 [ 7608.868041][ T10] netlink_sendmsg+0x723/0xbe0 [ 7608.868041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7608.868041][ T10] ___sys_sendmsg+0xee/0x170 [ 7608.868041][ T10] __sys_sendmsg+0xcd/0x170 [ 7608.868041][ T10] do_syscall_64+0xc6/0x1e0 [ 7608.868041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7608.868041][ T10] [ 7608.869683][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7608.869683][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7608.869683][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7608.869683][ T10] ipv6_find_idev+0x102/0x170 [ 7608.869683][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7608.869683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7608.869683][ T10] netlink_rcv_skb+0x130/0x360 [ 7608.869683][ T10] netlink_unicast+0x449/0x710 [ 7608.869683][ T10] netlink_sendmsg+0x723/0xbe0 [ 7608.869683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7608.869683][ T10] ___sys_sendmsg+0xee/0x170 [ 7608.869683][ T10] __sys_sendmsg+0xcd/0x170 [ 7608.869683][ T10] do_syscall_64+0xc6/0x1e0 [ 7608.869683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7608.869683][ T10] [ 7611.441111][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7611.441544][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7611.441544][ T1167] dst_init+0x84/0x4a0 [ 7611.441544][ T1167] dst_alloc+0x97/0x150 [ 7611.441544][ T1167] ip6_dst_alloc+0x23/0x90 [ 7611.441544][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7611.441544][ T1167] ip6_pol_route+0x56f/0x840 [ 7611.441544][ T1167] fib6_rule_lookup+0x334/0x630 [ 7611.441544][ T1167] ip6_route_output_flags+0x259/0x480 [ 7611.441544][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7611.441544][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7611.441544][ T1167] netlink_rcv_skb+0x130/0x360 [ 7611.441544][ T1167] netlink_unicast+0x449/0x710 [ 7611.441544][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7611.441544][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7611.441544][ T1167] ___sys_sendmsg+0xee/0x170 [ 7611.441544][ T1167] __sys_sendmsg+0xcd/0x170 [ 7611.441544][ T1167] do_syscall_64+0xc6/0x1e0 [ 7611.441544][ T1167] [ 7611.443743][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7611.443743][ T1167] netdev_get_by_index+0x5e/0x80 [ 7611.443743][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7611.443743][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7611.443743][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7611.443743][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7611.443743][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7611.443743][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7611.443743][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7611.443743][ T1167] addrconf_dad_begin+0x310/0x670 [ 7611.443743][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7611.443743][ T1167] process_one_work+0x84d/0x18a0 [ 7611.443743][ T1167] worker_thread+0x587/0xd30 [ 7611.443743][ T1167] kthread+0x28a/0x350 [ 7611.443743][ T1167] ret_from_fork+0x31/0x70 [ 7611.443743][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7611.443743][ T1167] [ 7611.445883][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7611.445883][ T1167] netdev_get_by_index+0x5e/0x80 [ 7611.445883][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7611.445883][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7611.445883][ T1167] ip6_route_add+0x1c/0x140 [ 7611.445883][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7611.445883][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7611.445883][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7611.445883][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7611.445883][ T1167] netlink_rcv_skb+0x130/0x360 [ 7611.445883][ T1167] netlink_unicast+0x449/0x710 [ 7611.445883][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7611.445883][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7611.445883][ T1167] ___sys_sendmsg+0xee/0x170 [ 7611.445883][ T1167] __sys_sendmsg+0xcd/0x170 [ 7611.445883][ T1167] do_syscall_64+0xc6/0x1e0 [ 7611.445883][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7611.445883][ T1167] [ 7611.448136][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7611.448136][ T1167] netdev_get_by_index+0x5e/0x80 [ 7611.448136][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7611.448136][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7611.448136][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7611.448136][ T1167] ipv6_add_addr+0x411/0x2000 [ 7611.448136][ T1167] inet6_addr_add+0x30e/0xa40 [ 7611.448136][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7611.448136][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7611.448136][ T1167] netlink_rcv_skb+0x130/0x360 [ 7611.448136][ T1167] netlink_unicast+0x449/0x710 [ 7611.448136][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7611.448136][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7611.448136][ T1167] ___sys_sendmsg+0xee/0x170 [ 7611.448136][ T1167] __sys_sendmsg+0xcd/0x170 [ 7611.448136][ T1167] do_syscall_64+0xc6/0x1e0 [ 7611.448136][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7611.448136][ T1167] [ 7611.450377][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7611.450377][ T1167] netdev_get_by_index+0x5e/0x80 [ 7611.450377][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7611.450377][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7611.450377][ T1167] ip6_route_add+0x1c/0x140 [ 7611.450377][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7611.450377][ T1167] addrconf_add_dev+0xe2/0x170 [ 7611.450377][ T1167] inet6_addr_add+0x12f/0xa40 [ 7611.450377][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7611.450377][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7611.450377][ T1167] netlink_rcv_skb+0x130/0x360 [ 7611.450377][ T1167] netlink_unicast+0x449/0x710 [ 7611.450377][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7611.450377][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7611.450377][ T1167] ___sys_sendmsg+0xee/0x170 [ 7611.450377][ T1167] __sys_sendmsg+0xcd/0x170 [ 7611.450377][ T1167] do_syscall_64+0xc6/0x1e0 [ 7611.450377][ T1167] [ 7611.452583][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7611.452583][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7611.452583][ T1167] ipv6_find_idev+0x102/0x170 [ 7611.452583][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7611.452583][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7611.452583][ T1167] netlink_rcv_skb+0x130/0x360 [ 7611.452583][ T1167] netlink_unicast+0x449/0x710 [ 7611.452583][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7611.452583][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7611.452583][ T1167] ___sys_sendmsg+0xee/0x170 [ 7611.452583][ T1167] __sys_sendmsg+0xcd/0x170 [ 7611.452583][ T1167] do_syscall_64+0xc6/0x1e0 [ 7611.452583][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7611.452583][ T1167] [ 7611.454316][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7611.454316][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7611.454316][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7611.454316][ T1167] ipv6_find_idev+0x102/0x170 [ 7611.454316][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7611.454316][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7611.454316][ T1167] netlink_rcv_skb+0x130/0x360 [ 7611.454316][ T1167] netlink_unicast+0x449/0x710 [ 7611.454316][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7611.454316][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7611.454316][ T1167] ___sys_sendmsg+0xee/0x170 [ 7611.454316][ T1167] __sys_sendmsg+0xcd/0x170 [ 7611.454316][ T1167] do_syscall_64+0xc6/0x1e0 [ 7611.454316][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7611.454316][ T1167] [ 7619.113098][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7619.113473][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7619.113473][ T10] netdev_get_by_index+0x5e/0x80 [ 7619.113473][ T10] fib6_nh_init+0x3d8/0x1580 [ 7619.113473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7619.113473][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7619.113473][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7619.113473][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7619.113473][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7619.113473][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7619.113473][ T10] addrconf_dad_begin+0x310/0x670 [ 7619.113473][ T10] addrconf_dad_work+0x10b/0xab0 [ 7619.113473][ T10] process_one_work+0x84d/0x18a0 [ 7619.113473][ T10] worker_thread+0x587/0xd30 [ 7619.113473][ T10] kthread+0x28a/0x350 [ 7619.113473][ T10] ret_from_fork+0x31/0x70 [ 7619.113473][ T10] ret_from_fork_asm+0x1a/0x30 [ 7619.113473][ T10] [ 7619.115397][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7619.115397][ T10] netdev_get_by_index+0x5e/0x80 [ 7619.115397][ T10] fib6_nh_init+0x3d8/0x1580 [ 7619.115397][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7619.115397][ T10] ip6_route_add+0x1c/0x140 [ 7619.115397][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7619.115397][ T10] inet6_addr_add+0x4f8/0xa40 [ 7619.115397][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7619.115397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7619.115397][ T10] netlink_rcv_skb+0x130/0x360 [ 7619.115397][ T10] netlink_unicast+0x449/0x710 [ 7619.115397][ T10] netlink_sendmsg+0x723/0xbe0 [ 7619.115397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7619.115397][ T10] ___sys_sendmsg+0xee/0x170 [ 7619.115397][ T10] __sys_sendmsg+0xcd/0x170 [ 7619.115397][ T10] do_syscall_64+0xc6/0x1e0 [ 7619.115397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7619.115397][ T10] [ 7619.117383][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7619.117383][ T10] netdev_get_by_index+0x5e/0x80 [ 7619.117383][ T10] fib6_nh_init+0x3d8/0x1580 [ 7619.117383][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7619.117383][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7619.117383][ T10] ipv6_add_addr+0x411/0x2000 [ 7619.117383][ T10] inet6_addr_add+0x30e/0xa40 [ 7619.117383][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7619.117383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7619.117383][ T10] netlink_rcv_skb+0x130/0x360 [ 7619.117383][ T10] netlink_unicast+0x449/0x710 [ 7619.117383][ T10] netlink_sendmsg+0x723/0xbe0 [ 7619.117383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7619.117383][ T10] ___sys_sendmsg+0xee/0x170 [ 7619.117383][ T10] __sys_sendmsg+0xcd/0x170 [ 7619.117383][ T10] do_syscall_64+0xc6/0x1e0 [ 7619.117383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7619.117383][ T10] [ 7619.119379][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7619.119379][ T10] netdev_get_by_index+0x5e/0x80 [ 7619.119379][ T10] fib6_nh_init+0x3d8/0x1580 [ 7619.119379][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7619.119379][ T10] ip6_route_add+0x1c/0x140 [ 7619.119379][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7619.119379][ T10] addrconf_add_dev+0xe2/0x170 [ 7619.119379][ T10] inet6_addr_add+0x12f/0xa40 [ 7619.119379][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7619.119379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7619.119379][ T10] netlink_rcv_skb+0x130/0x360 [ 7619.119379][ T10] netlink_unicast+0x449/0x710 [ 7619.119379][ T10] netlink_sendmsg+0x723/0xbe0 [ 7619.119379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7619.119379][ T10] ___sys_sendmsg+0xee/0x170 [ 7619.119379][ T10] __sys_sendmsg+0xcd/0x170 [ 7619.119379][ T10] do_syscall_64+0xc6/0x1e0 [ 7619.119379][ T10] [ 7619.121333][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7619.121333][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7619.121333][ T10] ipv6_find_idev+0x102/0x170 [ 7619.121333][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7619.121333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7619.121333][ T10] netlink_rcv_skb+0x130/0x360 [ 7619.121333][ T10] netlink_unicast+0x449/0x710 [ 7619.121333][ T10] netlink_sendmsg+0x723/0xbe0 [ 7619.121333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7619.121333][ T10] ___sys_sendmsg+0xee/0x170 [ 7619.121333][ T10] __sys_sendmsg+0xcd/0x170 [ 7619.121333][ T10] do_syscall_64+0xc6/0x1e0 [ 7619.121333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7619.121333][ T10] [ 7619.122867][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7619.122867][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7619.122867][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7619.122867][ T10] ipv6_find_idev+0x102/0x170 [ 7619.122867][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7619.122867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7619.122867][ T10] netlink_rcv_skb+0x130/0x360 [ 7619.122867][ T10] netlink_unicast+0x449/0x710 [ 7619.122867][ T10] netlink_sendmsg+0x723/0xbe0 [ 7619.122867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7619.122867][ T10] ___sys_sendmsg+0xee/0x170 [ 7619.122867][ T10] __sys_sendmsg+0xcd/0x170 [ 7619.122867][ T10] do_syscall_64+0xc6/0x1e0 [ 7619.122867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7619.122867][ T10] [ 7619.124555][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7619.124815][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7619.124815][ T10] netdev_get_by_index+0x5e/0x80 [ 7619.124815][ T10] fib6_nh_init+0x3d8/0x1580 [ 7619.124815][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7619.124815][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7619.124815][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7619.124815][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7619.124815][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7619.124815][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7619.124815][ T10] addrconf_dad_begin+0x310/0x670 [ 7619.124815][ T10] addrconf_dad_work+0x10b/0xab0 [ 7619.124815][ T10] process_one_work+0x84d/0x18a0 [ 7619.124815][ T10] worker_thread+0x587/0xd30 [ 7619.124815][ T10] kthread+0x28a/0x350 [ 7619.124815][ T10] ret_from_fork+0x31/0x70 [ 7619.124815][ T10] ret_from_fork_asm+0x1a/0x30 [ 7619.124815][ T10] [ 7619.126715][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7619.126715][ T10] netdev_get_by_index+0x5e/0x80 [ 7619.126715][ T10] fib6_nh_init+0x3d8/0x1580 [ 7619.126715][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7619.126715][ T10] ip6_route_add+0x1c/0x140 [ 7619.126715][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7619.126715][ T10] inet6_addr_add+0x4f8/0xa40 [ 7619.126715][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7619.126715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7619.126715][ T10] netlink_rcv_skb+0x130/0x360 [ 7619.126715][ T10] netlink_unicast+0x449/0x710 [ 7619.126715][ T10] netlink_sendmsg+0x723/0xbe0 [ 7619.126715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7619.126715][ T10] ___sys_sendmsg+0xee/0x170 [ 7619.126715][ T10] __sys_sendmsg+0xcd/0x170 [ 7619.126715][ T10] do_syscall_64+0xc6/0x1e0 [ 7619.126715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7619.126715][ T10] [ 7619.128693][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7619.128693][ T10] netdev_get_by_index+0x5e/0x80 [ 7619.128693][ T10] fib6_nh_init+0x3d8/0x1580 [ 7619.128693][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7619.128693][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7619.128693][ T10] ipv6_add_addr+0x411/0x2000 [ 7619.128693][ T10] inet6_addr_add+0x30e/0xa40 [ 7619.128693][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7619.128693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7619.128693][ T10] netlink_rcv_skb+0x130/0x360 [ 7619.128693][ T10] netlink_unicast+0x449/0x710 [ 7619.128693][ T10] netlink_sendmsg+0x723/0xbe0 [ 7619.128693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7619.128693][ T10] ___sys_sendmsg+0xee/0x170 [ 7619.128693][ T10] __sys_sendmsg+0xcd/0x170 [ 7619.128693][ T10] do_syscall_64+0xc6/0x1e0 [ 7619.128693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7619.128693][ T10] [ 7619.130667][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7619.130667][ T10] netdev_get_by_index+0x5e/0x80 [ 7619.130667][ T10] fib6_nh_init+0x3d8/0x1580 [ 7619.130667][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7619.130667][ T10] ip6_route_add+0x1c/0x140 [ 7619.130667][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7619.130667][ T10] addrconf_add_dev+0xe2/0x170 [ 7619.130667][ T10] inet6_addr_add+0x12f/0xa40 [ 7619.130667][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7619.130667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7619.130667][ T10] netlink_rcv_skb+0x130/0x360 [ 7619.130667][ T10] netlink_unicast+0x449/0x710 [ 7619.130667][ T10] netlink_sendmsg+0x723/0xbe0 [ 7619.130667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7619.130667][ T10] ___sys_sendmsg+0xee/0x170 [ 7619.130667][ T10] __sys_sendmsg+0xcd/0x170 [ 7619.130667][ T10] do_syscall_64+0xc6/0x1e0 [ 7619.130667][ T10] [ 7619.132624][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7619.132624][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7619.132624][ T10] ipv6_find_idev+0x102/0x170 [ 7619.132624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7619.132624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7619.132624][ T10] netlink_rcv_skb+0x130/0x360 [ 7619.132624][ T10] netlink_unicast+0x449/0x710 [ 7619.132624][ T10] netlink_sendmsg+0x723/0xbe0 [ 7619.132624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7619.132624][ T10] ___sys_sendmsg+0xee/0x170 [ 7619.132624][ T10] __sys_sendmsg+0xcd/0x170 [ 7619.132624][ T10] do_syscall_64+0xc6/0x1e0 [ 7619.132624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7619.132624][ T10] [ 7619.134146][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7619.134146][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7619.134146][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7619.134146][ T10] ipv6_find_idev+0x102/0x170 [ 7619.134146][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7619.134146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7619.134146][ T10] netlink_rcv_skb+0x130/0x360 [ 7619.134146][ T10] netlink_unicast+0x449/0x710 [ 7619.134146][ T10] netlink_sendmsg+0x723/0xbe0 [ 7619.134146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7619.134146][ T10] ___sys_sendmsg+0xee/0x170 [ 7619.134146][ T10] __sys_sendmsg+0xcd/0x170 [ 7619.134146][ T10] do_syscall_64+0xc6/0x1e0 [ 7619.134146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7619.134146][ T10] [ 7619.135819][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7619.136067][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7619.136067][ T10] netdev_get_by_index+0x5e/0x80 [ 7619.136067][ T10] fib6_nh_init+0x3d8/0x1580 [ 7619.136067][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7619.136067][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7619.136067][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7619.136067][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7619.136067][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7619.136067][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7619.136067][ T10] addrconf_dad_begin+0x310/0x670 [ 7619.136067][ T10] addrconf_dad_work+0x10b/0xab0 [ 7619.136067][ T10] process_one_work+0x84d/0x18a0 [ 7619.136067][ T10] worker_thread+0x587/0xd30 [ 7619.136067][ T10] kthread+0x28a/0x350 [ 7619.136067][ T10] ret_from_fork+0x31/0x70 [ 7619.136067][ T10] ret_from_fork_asm+0x1a/0x30 [ 7619.136067][ T10] [ 7619.137970][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7619.137970][ T10] netdev_get_by_index+0x5e/0x80 [ 7619.137970][ T10] fib6_nh_init+0x3d8/0x1580 [ 7619.137970][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7619.137970][ T10] ip6_route_add+0x1c/0x140 [ 7619.137970][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7619.137970][ T10] inet6_addr_add+0x4f8/0xa40 [ 7619.137970][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7619.137970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7619.137970][ T10] netlink_rcv_skb+0x130/0x360 [ 7619.137970][ T10] netlink_unicast+0x449/0x710 [ 7619.137970][ T10] netlink_sendmsg+0x723/0xbe0 [ 7619.137970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7619.137970][ T10] ___sys_sendmsg+0xee/0x170 [ 7619.137970][ T10] __sys_sendmsg+0xcd/0x170 [ 7619.137970][ T10] do_syscall_64+0xc6/0x1e0 [ 7619.137970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7619.137970][ T10] [ 7619.140133][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7619.140133][ T10] netdev_get_by_index+0x5e/0x80 [ 7619.140133][ T10] fib6_nh_init+0x3d8/0x1580 [ 7619.140133][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7619.140133][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7619.140133][ T10] ipv6_add_addr+0x411/0x2000 [ 7619.140133][ T10] inet6_addr_add+0x30e/0xa40 [ 7619.140133][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7619.140133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7619.140133][ T10] netlink_rcv_skb+0x130/0x360 [ 7619.140133][ T10] netlink_unicast+0x449/0x710 [ 7619.140133][ T10] netlink_sendmsg+0x723/0xbe0 [ 7619.140133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7619.140133][ T10] ___sys_sendmsg+0xee/0x170 [ 7619.140133][ T10] __sys_sendmsg+0xcd/0x170 [ 7619.140133][ T10] do_syscall_64+0xc6/0x1e0 [ 7619.140133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7619.140133][ T10] [ 7619.142429][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7619.142429][ T10] netdev_get_by_index+0x5e/0x80 [ 7619.142429][ T10] fib6_nh_init+0x3d8/0x1580 [ 7619.142429][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7619.142429][ T10] ip6_route_add+0x1c/0x140 [ 7619.142429][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7619.142429][ T10] addrconf_add_dev+0xe2/0x170 [ 7619.142429][ T10] inet6_addr_add+0x12f/0xa40 [ 7619.142429][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7619.142429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7619.142429][ T10] netlink_rcv_skb+0x130/0x360 [ 7619.142429][ T10] netlink_unicast+0x449/0x710 [ 7619.142429][ T10] netlink_sendmsg+0x723/0xbe0 [ 7619.142429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7619.142429][ T10] ___sys_sendmsg+0xee/0x170 [ 7619.142429][ T10] __sys_sendmsg+0xcd/0x170 [ 7619.142429][ T10] do_syscall_64+0xc6/0x1e0 [ 7619.142429][ T10] [ 7619.144609][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7619.144609][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7619.144609][ T10] ipv6_find_idev+0x102/0x170 [ 7619.144609][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7619.144609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7619.144609][ T10] netlink_rcv_skb+0x130/0x360 [ 7619.144609][ T10] netlink_unicast+0x449/0x710 [ 7619.144609][ T10] netlink_sendmsg+0x723/0xbe0 [ 7619.144609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7619.144609][ T10] ___sys_sendmsg+0xee/0x170 [ 7619.144609][ T10] __sys_sendmsg+0xcd/0x170 [ 7619.144609][ T10] do_syscall_64+0xc6/0x1e0 [ 7619.144609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7619.144609][ T10] [ 7619.146308][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7619.146308][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7619.146308][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7619.146308][ T10] ipv6_find_idev+0x102/0x170 [ 7619.146308][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7619.146308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7619.146308][ T10] netlink_rcv_skb+0x130/0x360 [ 7619.146308][ T10] netlink_unicast+0x449/0x710 [ 7619.146308][ T10] netlink_sendmsg+0x723/0xbe0 [ 7619.146308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7619.146308][ T10] ___sys_sendmsg+0xee/0x170 [ 7619.146308][ T10] __sys_sendmsg+0xcd/0x170 [ 7619.146308][ T10] do_syscall_64+0xc6/0x1e0 [ 7619.146308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7619.146308][ T10] [ 7619.148231][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7619.148474][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7619.148474][ T10] netdev_get_by_index+0x5e/0x80 [ 7619.148474][ T10] fib6_nh_init+0x3d8/0x1580 [ 7619.148474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7619.148474][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7619.148474][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7619.148474][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7619.148474][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7619.148474][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7619.148474][ T10] addrconf_dad_begin+0x310/0x670 [ 7619.148474][ T10] addrconf_dad_work+0x10b/0xab0 [ 7619.148474][ T10] process_one_work+0x84d/0x18a0 [ 7619.148474][ T10] worker_thread+0x587/0xd30 [ 7619.148474][ T10] kthread+0x28a/0x350 [ 7619.148474][ T10] ret_from_fork+0x31/0x70 [ 7619.148474][ T10] ret_from_fork_asm+0x1a/0x30 [ 7619.148474][ T10] [ 7619.150668][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7619.150668][ T10] netdev_get_by_index+0x5e/0x80 [ 7619.150668][ T10] fib6_nh_init+0x3d8/0x1580 [ 7619.150668][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7619.150668][ T10] ip6_route_add+0x1c/0x140 [ 7619.150668][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7619.150668][ T10] inet6_addr_add+0x4f8/0xa40 [ 7619.150668][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7619.150668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7619.150668][ T10] netlink_rcv_skb+0x130/0x360 [ 7619.150668][ T10] netlink_unicast+0x449/0x710 [ 7619.150668][ T10] netlink_sendmsg+0x723/0xbe0 [ 7619.150668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7619.150668][ T10] ___sys_sendmsg+0xee/0x170 [ 7619.150668][ T10] __sys_sendmsg+0xcd/0x170 [ 7619.150668][ T10] do_syscall_64+0xc6/0x1e0 [ 7619.150668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7619.150668][ T10] [ 7619.152910][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7619.152910][ T10] netdev_get_by_index+0x5e/0x80 [ 7619.152910][ T10] fib6_nh_init+0x3d8/0x1580 [ 7619.152910][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7619.152910][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7619.152910][ T10] ipv6_add_addr+0x411/0x2000 [ 7619.152910][ T10] inet6_addr_add+0x30e/0xa40 [ 7619.152910][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7619.152910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7619.152910][ T10] netlink_rcv_skb+0x130/0x360 [ 7619.152910][ T10] netlink_unicast+0x449/0x710 [ 7619.152910][ T10] netlink_sendmsg+0x723/0xbe0 [ 7619.152910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7619.152910][ T10] ___sys_sendmsg+0xee/0x170 [ 7619.152910][ T10] __sys_sendmsg+0xcd/0x170 [ 7619.152910][ T10] do_syscall_64+0xc6/0x1e0 [ 7619.152910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7619.152910][ T10] [ 7619.155070][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7619.155070][ T10] netdev_get_by_index+0x5e/0x80 [ 7619.155070][ T10] fib6_nh_init+0x3d8/0x1580 [ 7619.155070][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7619.155070][ T10] ip6_route_add+0x1c/0x140 [ 7619.155070][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7619.155070][ T10] addrconf_add_dev+0xe2/0x170 [ 7619.155070][ T10] inet6_addr_add+0x12f/0xa40 [ 7619.155070][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7619.155070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7619.155070][ T10] netlink_rcv_skb+0x130/0x360 [ 7619.155070][ T10] netlink_unicast+0x449/0x710 [ 7619.155070][ T10] netlink_sendmsg+0x723/0xbe0 [ 7619.155070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7619.155070][ T10] ___sys_sendmsg+0xee/0x170 [ 7619.155070][ T10] __sys_sendmsg+0xcd/0x170 [ 7619.155070][ T10] do_syscall_64+0xc6/0x1e0 [ 7619.155070][ T10] [ 7619.157273][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7619.157273][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7619.157273][ T10] ipv6_find_idev+0x102/0x170 [ 7619.157273][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7619.157273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7619.157273][ T10] netlink_rcv_skb+0x130/0x360 [ 7619.157273][ T10] netlink_unicast+0x449/0x710 [ 7619.157273][ T10] netlink_sendmsg+0x723/0xbe0 [ 7619.157273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7619.157273][ T10] ___sys_sendmsg+0xee/0x170 [ 7619.157273][ T10] __sys_sendmsg+0xcd/0x170 [ 7619.157273][ T10] do_syscall_64+0xc6/0x1e0 [ 7619.157273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7619.157273][ T10] [ 7619.158979][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7619.158979][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7619.158979][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7619.158979][ T10] ipv6_find_idev+0x102/0x170 [ 7619.158979][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7619.158979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7619.158979][ T10] netlink_rcv_skb+0x130/0x360 [ 7619.158979][ T10] netlink_unicast+0x449/0x710 [ 7619.158979][ T10] netlink_sendmsg+0x723/0xbe0 [ 7619.158979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7619.158979][ T10] ___sys_sendmsg+0xee/0x170 [ 7619.158979][ T10] __sys_sendmsg+0xcd/0x170 [ 7619.158979][ T10] do_syscall_64+0xc6/0x1e0 [ 7619.158979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7619.158979][ T10] [ 7621.481151][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7621.481619][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7621.481619][ T1167] dst_init+0x84/0x4a0 [ 7621.481619][ T1167] dst_alloc+0x97/0x150 [ 7621.481619][ T1167] ip6_dst_alloc+0x23/0x90 [ 7621.481619][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7621.481619][ T1167] ip6_pol_route+0x56f/0x840 [ 7621.481619][ T1167] fib6_rule_lookup+0x334/0x630 [ 7621.481619][ T1167] ip6_route_output_flags+0x259/0x480 [ 7621.481619][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7621.481619][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7621.481619][ T1167] netlink_rcv_skb+0x130/0x360 [ 7621.481619][ T1167] netlink_unicast+0x449/0x710 [ 7621.481619][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7621.481619][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7621.481619][ T1167] ___sys_sendmsg+0xee/0x170 [ 7621.481619][ T1167] __sys_sendmsg+0xcd/0x170 [ 7621.481619][ T1167] do_syscall_64+0xc6/0x1e0 [ 7621.481619][ T1167] [ 7621.483843][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7621.483843][ T1167] netdev_get_by_index+0x5e/0x80 [ 7621.483843][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7621.483843][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7621.483843][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7621.483843][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7621.483843][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7621.483843][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7621.483843][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7621.483843][ T1167] addrconf_dad_begin+0x310/0x670 [ 7621.483843][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7621.483843][ T1167] process_one_work+0x84d/0x18a0 [ 7621.483843][ T1167] worker_thread+0x587/0xd30 [ 7621.483843][ T1167] kthread+0x28a/0x350 [ 7621.483843][ T1167] ret_from_fork+0x31/0x70 [ 7621.483843][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7621.483843][ T1167] [ 7621.485980][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7621.485980][ T1167] netdev_get_by_index+0x5e/0x80 [ 7621.485980][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7621.485980][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7621.485980][ T1167] ip6_route_add+0x1c/0x140 [ 7621.485980][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7621.485980][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7621.485980][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7621.485980][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7621.485980][ T1167] netlink_rcv_skb+0x130/0x360 [ 7621.485980][ T1167] netlink_unicast+0x449/0x710 [ 7621.485980][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7621.485980][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7621.485980][ T1167] ___sys_sendmsg+0xee/0x170 [ 7621.485980][ T1167] __sys_sendmsg+0xcd/0x170 [ 7621.485980][ T1167] do_syscall_64+0xc6/0x1e0 [ 7621.485980][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7621.485980][ T1167] [ 7621.488220][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7621.488220][ T1167] netdev_get_by_index+0x5e/0x80 [ 7621.488220][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7621.488220][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7621.488220][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7621.488220][ T1167] ipv6_add_addr+0x411/0x2000 [ 7621.488220][ T1167] inet6_addr_add+0x30e/0xa40 [ 7621.488220][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7621.488220][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7621.488220][ T1167] netlink_rcv_skb+0x130/0x360 [ 7621.488220][ T1167] netlink_unicast+0x449/0x710 [ 7621.488220][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7621.488220][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7621.488220][ T1167] ___sys_sendmsg+0xee/0x170 [ 7621.488220][ T1167] __sys_sendmsg+0xcd/0x170 [ 7621.488220][ T1167] do_syscall_64+0xc6/0x1e0 [ 7621.488220][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7621.488220][ T1167] [ 7621.490453][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7621.490453][ T1167] netdev_get_by_index+0x5e/0x80 [ 7621.490453][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7621.490453][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7621.490453][ T1167] ip6_route_add+0x1c/0x140 [ 7621.490453][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7621.490453][ T1167] addrconf_add_dev+0xe2/0x170 [ 7621.490453][ T1167] inet6_addr_add+0x12f/0xa40 [ 7621.490453][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7621.490453][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7621.490453][ T1167] netlink_rcv_skb+0x130/0x360 [ 7621.490453][ T1167] netlink_unicast+0x449/0x710 [ 7621.490453][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7621.490453][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7621.490453][ T1167] ___sys_sendmsg+0xee/0x170 [ 7621.490453][ T1167] __sys_sendmsg+0xcd/0x170 [ 7621.490453][ T1167] do_syscall_64+0xc6/0x1e0 [ 7621.490453][ T1167] [ 7621.492653][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7621.492653][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7621.492653][ T1167] ipv6_find_idev+0x102/0x170 [ 7621.492653][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7621.492653][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7621.492653][ T1167] netlink_rcv_skb+0x130/0x360 [ 7621.492653][ T1167] netlink_unicast+0x449/0x710 [ 7621.492653][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7621.492653][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7621.492653][ T1167] ___sys_sendmsg+0xee/0x170 [ 7621.492653][ T1167] __sys_sendmsg+0xcd/0x170 [ 7621.492653][ T1167] do_syscall_64+0xc6/0x1e0 [ 7621.492653][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7621.492653][ T1167] [ 7621.494362][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7621.494362][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7621.494362][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7621.494362][ T1167] ipv6_find_idev+0x102/0x170 [ 7621.494362][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7621.494362][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7621.494362][ T1167] netlink_rcv_skb+0x130/0x360 [ 7621.494362][ T1167] netlink_unicast+0x449/0x710 [ 7621.494362][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7621.494362][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7621.494362][ T1167] ___sys_sendmsg+0xee/0x170 [ 7621.494362][ T1167] __sys_sendmsg+0xcd/0x170 [ 7621.494362][ T1167] do_syscall_64+0xc6/0x1e0 [ 7621.494362][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7621.494362][ T1167] [ 7629.417121][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7629.417556][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7629.417556][ T10] netdev_get_by_index+0x5e/0x80 [ 7629.417556][ T10] fib6_nh_init+0x3d8/0x1580 [ 7629.417556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7629.417556][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7629.417556][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7629.417556][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7629.417556][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7629.417556][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7629.417556][ T10] addrconf_dad_begin+0x310/0x670 [ 7629.417556][ T10] addrconf_dad_work+0x10b/0xab0 [ 7629.417556][ T10] process_one_work+0x84d/0x18a0 [ 7629.417556][ T10] worker_thread+0x587/0xd30 [ 7629.417556][ T10] kthread+0x28a/0x350 [ 7629.417556][ T10] ret_from_fork+0x31/0x70 [ 7629.417556][ T10] ret_from_fork_asm+0x1a/0x30 [ 7629.417556][ T10] [ 7629.419514][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7629.419514][ T10] netdev_get_by_index+0x5e/0x80 [ 7629.419514][ T10] fib6_nh_init+0x3d8/0x1580 [ 7629.419514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7629.419514][ T10] ip6_route_add+0x1c/0x140 [ 7629.419514][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7629.419514][ T10] inet6_addr_add+0x4f8/0xa40 [ 7629.419514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7629.419514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7629.419514][ T10] netlink_rcv_skb+0x130/0x360 [ 7629.419514][ T10] netlink_unicast+0x449/0x710 [ 7629.419514][ T10] netlink_sendmsg+0x723/0xbe0 [ 7629.419514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7629.419514][ T10] ___sys_sendmsg+0xee/0x170 [ 7629.419514][ T10] __sys_sendmsg+0xcd/0x170 [ 7629.419514][ T10] do_syscall_64+0xc6/0x1e0 [ 7629.419514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7629.419514][ T10] [ 7629.421524][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7629.421524][ T10] netdev_get_by_index+0x5e/0x80 [ 7629.421524][ T10] fib6_nh_init+0x3d8/0x1580 [ 7629.421524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7629.421524][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7629.421524][ T10] ipv6_add_addr+0x411/0x2000 [ 7629.421524][ T10] inet6_addr_add+0x30e/0xa40 [ 7629.421524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7629.421524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7629.421524][ T10] netlink_rcv_skb+0x130/0x360 [ 7629.421524][ T10] netlink_unicast+0x449/0x710 [ 7629.421524][ T10] netlink_sendmsg+0x723/0xbe0 [ 7629.421524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7629.421524][ T10] ___sys_sendmsg+0xee/0x170 [ 7629.421524][ T10] __sys_sendmsg+0xcd/0x170 [ 7629.421524][ T10] do_syscall_64+0xc6/0x1e0 [ 7629.421524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7629.421524][ T10] [ 7629.423537][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7629.423537][ T10] netdev_get_by_index+0x5e/0x80 [ 7629.423537][ T10] fib6_nh_init+0x3d8/0x1580 [ 7629.423537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7629.423537][ T10] ip6_route_add+0x1c/0x140 [ 7629.423537][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7629.423537][ T10] addrconf_add_dev+0xe2/0x170 [ 7629.423537][ T10] inet6_addr_add+0x12f/0xa40 [ 7629.423537][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7629.423537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7629.423537][ T10] netlink_rcv_skb+0x130/0x360 [ 7629.423537][ T10] netlink_unicast+0x449/0x710 [ 7629.423537][ T10] netlink_sendmsg+0x723/0xbe0 [ 7629.423537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7629.423537][ T10] ___sys_sendmsg+0xee/0x170 [ 7629.423537][ T10] __sys_sendmsg+0xcd/0x170 [ 7629.423537][ T10] do_syscall_64+0xc6/0x1e0 [ 7629.423537][ T10] [ 7629.425503][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7629.425503][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7629.425503][ T10] ipv6_find_idev+0x102/0x170 [ 7629.425503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7629.425503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7629.425503][ T10] netlink_rcv_skb+0x130/0x360 [ 7629.425503][ T10] netlink_unicast+0x449/0x710 [ 7629.425503][ T10] netlink_sendmsg+0x723/0xbe0 [ 7629.425503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7629.425503][ T10] ___sys_sendmsg+0xee/0x170 [ 7629.425503][ T10] __sys_sendmsg+0xcd/0x170 [ 7629.425503][ T10] do_syscall_64+0xc6/0x1e0 [ 7629.425503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7629.425503][ T10] [ 7629.427068][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7629.427068][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7629.427068][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7629.427068][ T10] ipv6_find_idev+0x102/0x170 [ 7629.427068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7629.427068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7629.427068][ T10] netlink_rcv_skb+0x130/0x360 [ 7629.427068][ T10] netlink_unicast+0x449/0x710 [ 7629.427068][ T10] netlink_sendmsg+0x723/0xbe0 [ 7629.427068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7629.427068][ T10] ___sys_sendmsg+0xee/0x170 [ 7629.427068][ T10] __sys_sendmsg+0xcd/0x170 [ 7629.427068][ T10] do_syscall_64+0xc6/0x1e0 [ 7629.427068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7629.427068][ T10] [ 7629.428768][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7629.429017][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7629.429017][ T10] netdev_get_by_index+0x5e/0x80 [ 7629.429017][ T10] fib6_nh_init+0x3d8/0x1580 [ 7629.429017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7629.429017][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7629.429017][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7629.429017][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7629.429017][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7629.429017][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7629.429017][ T10] addrconf_dad_begin+0x310/0x670 [ 7629.429017][ T10] addrconf_dad_work+0x10b/0xab0 [ 7629.429017][ T10] process_one_work+0x84d/0x18a0 [ 7629.429017][ T10] worker_thread+0x587/0xd30 [ 7629.429017][ T10] kthread+0x28a/0x350 [ 7629.429017][ T10] ret_from_fork+0x31/0x70 [ 7629.429017][ T10] ret_from_fork_asm+0x1a/0x30 [ 7629.429017][ T10] [ 7629.430927][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7629.430927][ T10] netdev_get_by_index+0x5e/0x80 [ 7629.430927][ T10] fib6_nh_init+0x3d8/0x1580 [ 7629.430927][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7629.430927][ T10] ip6_route_add+0x1c/0x140 [ 7629.430927][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7629.430927][ T10] inet6_addr_add+0x4f8/0xa40 [ 7629.430927][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7629.430927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7629.430927][ T10] netlink_rcv_skb+0x130/0x360 [ 7629.430927][ T10] netlink_unicast+0x449/0x710 [ 7629.430927][ T10] netlink_sendmsg+0x723/0xbe0 [ 7629.430927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7629.430927][ T10] ___sys_sendmsg+0xee/0x170 [ 7629.430927][ T10] __sys_sendmsg+0xcd/0x170 [ 7629.430927][ T10] do_syscall_64+0xc6/0x1e0 [ 7629.430927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7629.430927][ T10] [ 7629.432938][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7629.432938][ T10] netdev_get_by_index+0x5e/0x80 [ 7629.432938][ T10] fib6_nh_init+0x3d8/0x1580 [ 7629.432938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7629.432938][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7629.432938][ T10] ipv6_add_addr+0x411/0x2000 [ 7629.432938][ T10] inet6_addr_add+0x30e/0xa40 [ 7629.432938][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7629.432938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7629.432938][ T10] netlink_rcv_skb+0x130/0x360 [ 7629.432938][ T10] netlink_unicast+0x449/0x710 [ 7629.432938][ T10] netlink_sendmsg+0x723/0xbe0 [ 7629.432938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7629.432938][ T10] ___sys_sendmsg+0xee/0x170 [ 7629.432938][ T10] __sys_sendmsg+0xcd/0x170 [ 7629.432938][ T10] do_syscall_64+0xc6/0x1e0 [ 7629.432938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7629.432938][ T10] [ 7629.434947][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7629.434947][ T10] netdev_get_by_index+0x5e/0x80 [ 7629.434947][ T10] fib6_nh_init+0x3d8/0x1580 [ 7629.434947][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7629.434947][ T10] ip6_route_add+0x1c/0x140 [ 7629.434947][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7629.434947][ T10] addrconf_add_dev+0xe2/0x170 [ 7629.434947][ T10] inet6_addr_add+0x12f/0xa40 [ 7629.434947][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7629.434947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7629.434947][ T10] netlink_rcv_skb+0x130/0x360 [ 7629.434947][ T10] netlink_unicast+0x449/0x710 [ 7629.434947][ T10] netlink_sendmsg+0x723/0xbe0 [ 7629.434947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7629.434947][ T10] ___sys_sendmsg+0xee/0x170 [ 7629.434947][ T10] __sys_sendmsg+0xcd/0x170 [ 7629.434947][ T10] do_syscall_64+0xc6/0x1e0 [ 7629.434947][ T10] [ 7629.436915][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7629.436915][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7629.436915][ T10] ipv6_find_idev+0x102/0x170 [ 7629.436915][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7629.436915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7629.436915][ T10] netlink_rcv_skb+0x130/0x360 [ 7629.436915][ T10] netlink_unicast+0x449/0x710 [ 7629.436915][ T10] netlink_sendmsg+0x723/0xbe0 [ 7629.436915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7629.436915][ T10] ___sys_sendmsg+0xee/0x170 [ 7629.436915][ T10] __sys_sendmsg+0xcd/0x170 [ 7629.436915][ T10] do_syscall_64+0xc6/0x1e0 [ 7629.436915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7629.436915][ T10] [ 7629.438454][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7629.438454][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7629.438454][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7629.438454][ T10] ipv6_find_idev+0x102/0x170 [ 7629.438454][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7629.438454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7629.438454][ T10] netlink_rcv_skb+0x130/0x360 [ 7629.438454][ T10] netlink_unicast+0x449/0x710 [ 7629.438454][ T10] netlink_sendmsg+0x723/0xbe0 [ 7629.438454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7629.438454][ T10] ___sys_sendmsg+0xee/0x170 [ 7629.438454][ T10] __sys_sendmsg+0xcd/0x170 [ 7629.438454][ T10] do_syscall_64+0xc6/0x1e0 [ 7629.438454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7629.438454][ T10] [ 7629.440143][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7629.440384][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7629.440384][ T10] netdev_get_by_index+0x5e/0x80 [ 7629.440384][ T10] fib6_nh_init+0x3d8/0x1580 [ 7629.440384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7629.440384][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7629.440384][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7629.440384][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7629.440384][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7629.440384][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7629.440384][ T10] addrconf_dad_begin+0x310/0x670 [ 7629.440384][ T10] addrconf_dad_work+0x10b/0xab0 [ 7629.440384][ T10] process_one_work+0x84d/0x18a0 [ 7629.440384][ T10] worker_thread+0x587/0xd30 [ 7629.440384][ T10] kthread+0x28a/0x350 [ 7629.440384][ T10] ret_from_fork+0x31/0x70 [ 7629.440384][ T10] ret_from_fork_asm+0x1a/0x30 [ 7629.440384][ T10] [ 7629.442346][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7629.442346][ T10] netdev_get_by_index+0x5e/0x80 [ 7629.442346][ T10] fib6_nh_init+0x3d8/0x1580 [ 7629.442346][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7629.442346][ T10] ip6_route_add+0x1c/0x140 [ 7629.442346][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7629.442346][ T10] inet6_addr_add+0x4f8/0xa40 [ 7629.442346][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7629.442346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7629.442346][ T10] netlink_rcv_skb+0x130/0x360 [ 7629.442346][ T10] netlink_unicast+0x449/0x710 [ 7629.442346][ T10] netlink_sendmsg+0x723/0xbe0 [ 7629.442346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7629.442346][ T10] ___sys_sendmsg+0xee/0x170 [ 7629.442346][ T10] __sys_sendmsg+0xcd/0x170 [ 7629.442346][ T10] do_syscall_64+0xc6/0x1e0 [ 7629.442346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7629.442346][ T10] [ 7629.444414][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7629.444414][ T10] netdev_get_by_index+0x5e/0x80 [ 7629.444414][ T10] fib6_nh_init+0x3d8/0x1580 [ 7629.444414][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7629.444414][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7629.444414][ T10] ipv6_add_addr+0x411/0x2000 [ 7629.444414][ T10] inet6_addr_add+0x30e/0xa40 [ 7629.444414][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7629.444414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7629.444414][ T10] netlink_rcv_skb+0x130/0x360 [ 7629.444414][ T10] netlink_unicast+0x449/0x710 [ 7629.444414][ T10] netlink_sendmsg+0x723/0xbe0 [ 7629.444414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7629.444414][ T10] ___sys_sendmsg+0xee/0x170 [ 7629.444414][ T10] __sys_sendmsg+0xcd/0x170 [ 7629.444414][ T10] do_syscall_64+0xc6/0x1e0 [ 7629.444414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7629.444414][ T10] [ 7629.446549][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7629.446549][ T10] netdev_get_by_index+0x5e/0x80 [ 7629.446549][ T10] fib6_nh_init+0x3d8/0x1580 [ 7629.446549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7629.446549][ T10] ip6_route_add+0x1c/0x140 [ 7629.446549][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7629.446549][ T10] addrconf_add_dev+0xe2/0x170 [ 7629.446549][ T10] inet6_addr_add+0x12f/0xa40 [ 7629.446549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7629.446549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7629.446549][ T10] netlink_rcv_skb+0x130/0x360 [ 7629.446549][ T10] netlink_unicast+0x449/0x710 [ 7629.446549][ T10] netlink_sendmsg+0x723/0xbe0 [ 7629.446549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7629.446549][ T10] ___sys_sendmsg+0xee/0x170 [ 7629.446549][ T10] __sys_sendmsg+0xcd/0x170 [ 7629.446549][ T10] do_syscall_64+0xc6/0x1e0 [ 7629.446549][ T10] [ 7629.448581][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7629.448581][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7629.448581][ T10] ipv6_find_idev+0x102/0x170 [ 7629.448581][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7629.448581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7629.448581][ T10] netlink_rcv_skb+0x130/0x360 [ 7629.448581][ T10] netlink_unicast+0x449/0x710 [ 7629.448581][ T10] netlink_sendmsg+0x723/0xbe0 [ 7629.448581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7629.448581][ T10] ___sys_sendmsg+0xee/0x170 [ 7629.448581][ T10] __sys_sendmsg+0xcd/0x170 [ 7629.448581][ T10] do_syscall_64+0xc6/0x1e0 [ 7629.448581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7629.448581][ T10] [ 7629.450185][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7629.450185][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7629.450185][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7629.450185][ T10] ipv6_find_idev+0x102/0x170 [ 7629.450185][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7629.450185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7629.450185][ T10] netlink_rcv_skb+0x130/0x360 [ 7629.450185][ T10] netlink_unicast+0x449/0x710 [ 7629.450185][ T10] netlink_sendmsg+0x723/0xbe0 [ 7629.450185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7629.450185][ T10] ___sys_sendmsg+0xee/0x170 [ 7629.450185][ T10] __sys_sendmsg+0xcd/0x170 [ 7629.450185][ T10] do_syscall_64+0xc6/0x1e0 [ 7629.450185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7629.450185][ T10] [ 7629.451946][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7629.452627][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7629.452627][ T10] netdev_get_by_index+0x5e/0x80 [ 7629.452627][ T10] fib6_nh_init+0x3d8/0x1580 [ 7629.452627][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7629.452627][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7629.452627][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7629.452627][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7629.452627][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7629.452627][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7629.452627][ T10] addrconf_dad_begin+0x310/0x670 [ 7629.452627][ T10] addrconf_dad_work+0x10b/0xab0 [ 7629.452627][ T10] process_one_work+0x84d/0x18a0 [ 7629.452627][ T10] worker_thread+0x587/0xd30 [ 7629.452627][ T10] kthread+0x28a/0x350 [ 7629.452627][ T10] ret_from_fork+0x31/0x70 [ 7629.452627][ T10] ret_from_fork_asm+0x1a/0x30 [ 7629.452627][ T10] [ 7629.454534][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7629.454534][ T10] netdev_get_by_index+0x5e/0x80 [ 7629.454534][ T10] fib6_nh_init+0x3d8/0x1580 [ 7629.454534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7629.454534][ T10] ip6_route_add+0x1c/0x140 [ 7629.454534][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7629.454534][ T10] inet6_addr_add+0x4f8/0xa40 [ 7629.454534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7629.454534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7629.454534][ T10] netlink_rcv_skb+0x130/0x360 [ 7629.454534][ T10] netlink_unicast+0x449/0x710 [ 7629.454534][ T10] netlink_sendmsg+0x723/0xbe0 [ 7629.454534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7629.454534][ T10] ___sys_sendmsg+0xee/0x170 [ 7629.454534][ T10] __sys_sendmsg+0xcd/0x170 [ 7629.454534][ T10] do_syscall_64+0xc6/0x1e0 [ 7629.454534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7629.454534][ T10] [ 7629.456618][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7629.456618][ T10] netdev_get_by_index+0x5e/0x80 [ 7629.456618][ T10] fib6_nh_init+0x3d8/0x1580 [ 7629.456618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7629.456618][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7629.456618][ T10] ipv6_add_addr+0x411/0x2000 [ 7629.456618][ T10] inet6_addr_add+0x30e/0xa40 [ 7629.456618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7629.456618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7629.456618][ T10] netlink_rcv_skb+0x130/0x360 [ 7629.456618][ T10] netlink_unicast+0x449/0x710 [ 7629.456618][ T10] netlink_sendmsg+0x723/0xbe0 [ 7629.456618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7629.456618][ T10] ___sys_sendmsg+0xee/0x170 [ 7629.456618][ T10] __sys_sendmsg+0xcd/0x170 [ 7629.456618][ T10] do_syscall_64+0xc6/0x1e0 [ 7629.456618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7629.456618][ T10] [ 7629.458685][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7629.458685][ T10] netdev_get_by_index+0x5e/0x80 [ 7629.458685][ T10] fib6_nh_init+0x3d8/0x1580 [ 7629.458685][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7629.458685][ T10] ip6_route_add+0x1c/0x140 [ 7629.458685][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7629.458685][ T10] addrconf_add_dev+0xe2/0x170 [ 7629.458685][ T10] inet6_addr_add+0x12f/0xa40 [ 7629.458685][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7629.458685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7629.458685][ T10] netlink_rcv_skb+0x130/0x360 [ 7629.458685][ T10] netlink_unicast+0x449/0x710 [ 7629.458685][ T10] netlink_sendmsg+0x723/0xbe0 [ 7629.458685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7629.458685][ T10] ___sys_sendmsg+0xee/0x170 [ 7629.458685][ T10] __sys_sendmsg+0xcd/0x170 [ 7629.458685][ T10] do_syscall_64+0xc6/0x1e0 [ 7629.458685][ T10] [ 7629.460733][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7629.460733][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7629.460733][ T10] ipv6_find_idev+0x102/0x170 [ 7629.460733][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7629.460733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7629.460733][ T10] netlink_rcv_skb+0x130/0x360 [ 7629.460733][ T10] netlink_unicast+0x449/0x710 [ 7629.460733][ T10] netlink_sendmsg+0x723/0xbe0 [ 7629.460733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7629.460733][ T10] ___sys_sendmsg+0xee/0x170 [ 7629.460733][ T10] __sys_sendmsg+0xcd/0x170 [ 7629.460733][ T10] do_syscall_64+0xc6/0x1e0 [ 7629.460733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7629.460733][ T10] [ 7629.462353][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7629.462353][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7629.462353][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7629.462353][ T10] ipv6_find_idev+0x102/0x170 [ 7629.462353][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7629.462353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7629.462353][ T10] netlink_rcv_skb+0x130/0x360 [ 7629.462353][ T10] netlink_unicast+0x449/0x710 [ 7629.462353][ T10] netlink_sendmsg+0x723/0xbe0 [ 7629.462353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7629.462353][ T10] ___sys_sendmsg+0xee/0x170 [ 7629.462353][ T10] __sys_sendmsg+0xcd/0x170 [ 7629.462353][ T10] do_syscall_64+0xc6/0x1e0 [ 7629.462353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7629.462353][ T10] [ 7631.521127][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7631.521618][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7631.521618][ T1167] dst_init+0x84/0x4a0 [ 7631.521618][ T1167] dst_alloc+0x97/0x150 [ 7631.521618][ T1167] ip6_dst_alloc+0x23/0x90 [ 7631.521618][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7631.521618][ T1167] ip6_pol_route+0x56f/0x840 [ 7631.521618][ T1167] fib6_rule_lookup+0x334/0x630 [ 7631.521618][ T1167] ip6_route_output_flags+0x259/0x480 [ 7631.521618][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7631.521618][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7631.521618][ T1167] netlink_rcv_skb+0x130/0x360 [ 7631.521618][ T1167] netlink_unicast+0x449/0x710 [ 7631.521618][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7631.521618][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7631.521618][ T1167] ___sys_sendmsg+0xee/0x170 [ 7631.521618][ T1167] __sys_sendmsg+0xcd/0x170 [ 7631.521618][ T1167] do_syscall_64+0xc6/0x1e0 [ 7631.521618][ T1167] [ 7631.523825][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7631.523825][ T1167] netdev_get_by_index+0x5e/0x80 [ 7631.523825][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7631.523825][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7631.523825][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7631.523825][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7631.523825][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7631.523825][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7631.523825][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7631.523825][ T1167] addrconf_dad_begin+0x310/0x670 [ 7631.523825][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7631.523825][ T1167] process_one_work+0x84d/0x18a0 [ 7631.523825][ T1167] worker_thread+0x587/0xd30 [ 7631.523825][ T1167] kthread+0x28a/0x350 [ 7631.523825][ T1167] ret_from_fork+0x31/0x70 [ 7631.523825][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7631.523825][ T1167] [ 7631.525959][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7631.525959][ T1167] netdev_get_by_index+0x5e/0x80 [ 7631.525959][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7631.525959][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7631.525959][ T1167] ip6_route_add+0x1c/0x140 [ 7631.525959][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7631.525959][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7631.525959][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7631.525959][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7631.525959][ T1167] netlink_rcv_skb+0x130/0x360 [ 7631.525959][ T1167] netlink_unicast+0x449/0x710 [ 7631.525959][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7631.525959][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7631.525959][ T1167] ___sys_sendmsg+0xee/0x170 [ 7631.525959][ T1167] __sys_sendmsg+0xcd/0x170 [ 7631.525959][ T1167] do_syscall_64+0xc6/0x1e0 [ 7631.525959][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7631.525959][ T1167] [ 7631.528187][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7631.528187][ T1167] netdev_get_by_index+0x5e/0x80 [ 7631.528187][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7631.528187][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7631.528187][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7631.528187][ T1167] ipv6_add_addr+0x411/0x2000 [ 7631.528187][ T1167] inet6_addr_add+0x30e/0xa40 [ 7631.528187][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7631.528187][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7631.528187][ T1167] netlink_rcv_skb+0x130/0x360 [ 7631.528187][ T1167] netlink_unicast+0x449/0x710 [ 7631.528187][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7631.528187][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7631.528187][ T1167] ___sys_sendmsg+0xee/0x170 [ 7631.528187][ T1167] __sys_sendmsg+0xcd/0x170 [ 7631.528187][ T1167] do_syscall_64+0xc6/0x1e0 [ 7631.528187][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7631.528187][ T1167] [ 7631.530409][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7631.530409][ T1167] netdev_get_by_index+0x5e/0x80 [ 7631.530409][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7631.530409][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7631.530409][ T1167] ip6_route_add+0x1c/0x140 [ 7631.530409][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7631.530409][ T1167] addrconf_add_dev+0xe2/0x170 [ 7631.530409][ T1167] inet6_addr_add+0x12f/0xa40 [ 7631.530409][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7631.530409][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7631.530409][ T1167] netlink_rcv_skb+0x130/0x360 [ 7631.530409][ T1167] netlink_unicast+0x449/0x710 [ 7631.530409][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7631.530409][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7631.530409][ T1167] ___sys_sendmsg+0xee/0x170 [ 7631.530409][ T1167] __sys_sendmsg+0xcd/0x170 [ 7631.530409][ T1167] do_syscall_64+0xc6/0x1e0 [ 7631.530409][ T1167] [ 7631.532608][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7631.532608][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7631.532608][ T1167] ipv6_find_idev+0x102/0x170 [ 7631.532608][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7631.532608][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7631.532608][ T1167] netlink_rcv_skb+0x130/0x360 [ 7631.532608][ T1167] netlink_unicast+0x449/0x710 [ 7631.532608][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7631.532608][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7631.532608][ T1167] ___sys_sendmsg+0xee/0x170 [ 7631.532608][ T1167] __sys_sendmsg+0xcd/0x170 [ 7631.532608][ T1167] do_syscall_64+0xc6/0x1e0 [ 7631.532608][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7631.532608][ T1167] [ 7631.534322][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7631.534322][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7631.534322][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7631.534322][ T1167] ipv6_find_idev+0x102/0x170 [ 7631.534322][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7631.534322][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7631.534322][ T1167] netlink_rcv_skb+0x130/0x360 [ 7631.534322][ T1167] netlink_unicast+0x449/0x710 [ 7631.534322][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7631.534322][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7631.534322][ T1167] ___sys_sendmsg+0xee/0x170 [ 7631.534322][ T1167] __sys_sendmsg+0xcd/0x170 [ 7631.534322][ T1167] do_syscall_64+0xc6/0x1e0 [ 7631.534322][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7631.534322][ T1167] [ 7639.705167][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7639.705626][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7639.705626][ T10] netdev_get_by_index+0x5e/0x80 [ 7639.705626][ T10] fib6_nh_init+0x3d8/0x1580 [ 7639.705626][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7639.705626][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7639.705626][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7639.705626][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7639.705626][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7639.705626][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7639.705626][ T10] addrconf_dad_begin+0x310/0x670 [ 7639.705626][ T10] addrconf_dad_work+0x10b/0xab0 [ 7639.705626][ T10] process_one_work+0x84d/0x18a0 [ 7639.705626][ T10] worker_thread+0x587/0xd30 [ 7639.705626][ T10] kthread+0x28a/0x350 [ 7639.705626][ T10] ret_from_fork+0x31/0x70 [ 7639.705626][ T10] ret_from_fork_asm+0x1a/0x30 [ 7639.705626][ T10] [ 7639.707576][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7639.707576][ T10] netdev_get_by_index+0x5e/0x80 [ 7639.707576][ T10] fib6_nh_init+0x3d8/0x1580 [ 7639.707576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7639.707576][ T10] ip6_route_add+0x1c/0x140 [ 7639.707576][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7639.707576][ T10] inet6_addr_add+0x4f8/0xa40 [ 7639.707576][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7639.707576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7639.707576][ T10] netlink_rcv_skb+0x130/0x360 [ 7639.707576][ T10] netlink_unicast+0x449/0x710 [ 7639.707576][ T10] netlink_sendmsg+0x723/0xbe0 [ 7639.707576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7639.707576][ T10] ___sys_sendmsg+0xee/0x170 [ 7639.707576][ T10] __sys_sendmsg+0xcd/0x170 [ 7639.707576][ T10] do_syscall_64+0xc6/0x1e0 [ 7639.707576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7639.707576][ T10] [ 7639.709581][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7639.709581][ T10] netdev_get_by_index+0x5e/0x80 [ 7639.709581][ T10] fib6_nh_init+0x3d8/0x1580 [ 7639.709581][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7639.709581][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7639.709581][ T10] ipv6_add_addr+0x411/0x2000 [ 7639.709581][ T10] inet6_addr_add+0x30e/0xa40 [ 7639.709581][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7639.709581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7639.709581][ T10] netlink_rcv_skb+0x130/0x360 [ 7639.709581][ T10] netlink_unicast+0x449/0x710 [ 7639.709581][ T10] netlink_sendmsg+0x723/0xbe0 [ 7639.709581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7639.709581][ T10] ___sys_sendmsg+0xee/0x170 [ 7639.709581][ T10] __sys_sendmsg+0xcd/0x170 [ 7639.709581][ T10] do_syscall_64+0xc6/0x1e0 [ 7639.709581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7639.709581][ T10] [ 7639.711583][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7639.711583][ T10] netdev_get_by_index+0x5e/0x80 [ 7639.711583][ T10] fib6_nh_init+0x3d8/0x1580 [ 7639.711583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7639.711583][ T10] ip6_route_add+0x1c/0x140 [ 7639.711583][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7639.711583][ T10] addrconf_add_dev+0xe2/0x170 [ 7639.711583][ T10] inet6_addr_add+0x12f/0xa40 [ 7639.711583][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7639.711583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7639.711583][ T10] netlink_rcv_skb+0x130/0x360 [ 7639.711583][ T10] netlink_unicast+0x449/0x710 [ 7639.711583][ T10] netlink_sendmsg+0x723/0xbe0 [ 7639.711583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7639.711583][ T10] ___sys_sendmsg+0xee/0x170 [ 7639.711583][ T10] __sys_sendmsg+0xcd/0x170 [ 7639.711583][ T10] do_syscall_64+0xc6/0x1e0 [ 7639.711583][ T10] [ 7639.713568][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7639.713568][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7639.713568][ T10] ipv6_find_idev+0x102/0x170 [ 7639.713568][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7639.713568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7639.713568][ T10] netlink_rcv_skb+0x130/0x360 [ 7639.713568][ T10] netlink_unicast+0x449/0x710 [ 7639.713568][ T10] netlink_sendmsg+0x723/0xbe0 [ 7639.713568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7639.713568][ T10] ___sys_sendmsg+0xee/0x170 [ 7639.713568][ T10] __sys_sendmsg+0xcd/0x170 [ 7639.713568][ T10] do_syscall_64+0xc6/0x1e0 [ 7639.713568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7639.713568][ T10] [ 7639.715112][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7639.715112][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7639.715112][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7639.715112][ T10] ipv6_find_idev+0x102/0x170 [ 7639.715112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7639.715112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7639.715112][ T10] netlink_rcv_skb+0x130/0x360 [ 7639.715112][ T10] netlink_unicast+0x449/0x710 [ 7639.715112][ T10] netlink_sendmsg+0x723/0xbe0 [ 7639.715112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7639.715112][ T10] ___sys_sendmsg+0xee/0x170 [ 7639.715112][ T10] __sys_sendmsg+0xcd/0x170 [ 7639.715112][ T10] do_syscall_64+0xc6/0x1e0 [ 7639.715112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7639.715112][ T10] [ 7639.716821][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7639.717094][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7639.717094][ T10] netdev_get_by_index+0x5e/0x80 [ 7639.717094][ T10] fib6_nh_init+0x3d8/0x1580 [ 7639.717094][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7639.717094][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7639.717094][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7639.717094][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7639.717094][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7639.717094][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7639.717094][ T10] addrconf_dad_begin+0x310/0x670 [ 7639.717094][ T10] addrconf_dad_work+0x10b/0xab0 [ 7639.717094][ T10] process_one_work+0x84d/0x18a0 [ 7639.717094][ T10] worker_thread+0x587/0xd30 [ 7639.717094][ T10] kthread+0x28a/0x350 [ 7639.717094][ T10] ret_from_fork+0x31/0x70 [ 7639.717094][ T10] ret_from_fork_asm+0x1a/0x30 [ 7639.717094][ T10] [ 7639.719067][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7639.719067][ T10] netdev_get_by_index+0x5e/0x80 [ 7639.719067][ T10] fib6_nh_init+0x3d8/0x1580 [ 7639.719067][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7639.719067][ T10] ip6_route_add+0x1c/0x140 [ 7639.719067][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7639.719067][ T10] inet6_addr_add+0x4f8/0xa40 [ 7639.719067][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7639.719067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7639.719067][ T10] netlink_rcv_skb+0x130/0x360 [ 7639.719067][ T10] netlink_unicast+0x449/0x710 [ 7639.719067][ T10] netlink_sendmsg+0x723/0xbe0 [ 7639.719067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7639.719067][ T10] ___sys_sendmsg+0xee/0x170 [ 7639.719067][ T10] __sys_sendmsg+0xcd/0x170 [ 7639.719067][ T10] do_syscall_64+0xc6/0x1e0 [ 7639.719067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7639.719067][ T10] [ 7639.721078][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7639.721078][ T10] netdev_get_by_index+0x5e/0x80 [ 7639.721078][ T10] fib6_nh_init+0x3d8/0x1580 [ 7639.721078][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7639.721078][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7639.721078][ T10] ipv6_add_addr+0x411/0x2000 [ 7639.721078][ T10] inet6_addr_add+0x30e/0xa40 [ 7639.721078][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7639.721078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7639.721078][ T10] netlink_rcv_skb+0x130/0x360 [ 7639.721078][ T10] netlink_unicast+0x449/0x710 [ 7639.721078][ T10] netlink_sendmsg+0x723/0xbe0 [ 7639.721078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7639.721078][ T10] ___sys_sendmsg+0xee/0x170 [ 7639.721078][ T10] __sys_sendmsg+0xcd/0x170 [ 7639.721078][ T10] do_syscall_64+0xc6/0x1e0 [ 7639.721078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7639.721078][ T10] [ 7639.723118][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7639.723118][ T10] netdev_get_by_index+0x5e/0x80 [ 7639.723118][ T10] fib6_nh_init+0x3d8/0x1580 [ 7639.723118][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7639.723118][ T10] ip6_route_add+0x1c/0x140 [ 7639.723118][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7639.723118][ T10] addrconf_add_dev+0xe2/0x170 [ 7639.723118][ T10] inet6_addr_add+0x12f/0xa40 [ 7639.723118][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7639.723118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7639.723118][ T10] netlink_rcv_skb+0x130/0x360 [ 7639.723118][ T10] netlink_unicast+0x449/0x710 [ 7639.723118][ T10] netlink_sendmsg+0x723/0xbe0 [ 7639.723118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7639.723118][ T10] ___sys_sendmsg+0xee/0x170 [ 7639.723118][ T10] __sys_sendmsg+0xcd/0x170 [ 7639.723118][ T10] do_syscall_64+0xc6/0x1e0 [ 7639.723118][ T10] [ 7639.725097][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7639.725097][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7639.725097][ T10] ipv6_find_idev+0x102/0x170 [ 7639.725097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7639.725097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7639.725097][ T10] netlink_rcv_skb+0x130/0x360 [ 7639.725097][ T10] netlink_unicast+0x449/0x710 [ 7639.725097][ T10] netlink_sendmsg+0x723/0xbe0 [ 7639.725097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7639.725097][ T10] ___sys_sendmsg+0xee/0x170 [ 7639.725097][ T10] __sys_sendmsg+0xcd/0x170 [ 7639.725097][ T10] do_syscall_64+0xc6/0x1e0 [ 7639.725097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7639.725097][ T10] [ 7639.726639][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7639.726639][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7639.726639][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7639.726639][ T10] ipv6_find_idev+0x102/0x170 [ 7639.726639][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7639.726639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7639.726639][ T10] netlink_rcv_skb+0x130/0x360 [ 7639.726639][ T10] netlink_unicast+0x449/0x710 [ 7639.726639][ T10] netlink_sendmsg+0x723/0xbe0 [ 7639.726639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7639.726639][ T10] ___sys_sendmsg+0xee/0x170 [ 7639.726639][ T10] __sys_sendmsg+0xcd/0x170 [ 7639.726639][ T10] do_syscall_64+0xc6/0x1e0 [ 7639.726639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7639.726639][ T10] [ 7639.728339][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7639.728582][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7639.728582][ T10] netdev_get_by_index+0x5e/0x80 [ 7639.728582][ T10] fib6_nh_init+0x3d8/0x1580 [ 7639.728582][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7639.728582][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7639.728582][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7639.728582][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7639.728582][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7639.728582][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7639.728582][ T10] addrconf_dad_begin+0x310/0x670 [ 7639.728582][ T10] addrconf_dad_work+0x10b/0xab0 [ 7639.728582][ T10] process_one_work+0x84d/0x18a0 [ 7639.728582][ T10] worker_thread+0x587/0xd30 [ 7639.728582][ T10] kthread+0x28a/0x350 [ 7639.728582][ T10] ret_from_fork+0x31/0x70 [ 7639.728582][ T10] ret_from_fork_asm+0x1a/0x30 [ 7639.728582][ T10] [ 7639.730496][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7639.730496][ T10] netdev_get_by_index+0x5e/0x80 [ 7639.730496][ T10] fib6_nh_init+0x3d8/0x1580 [ 7639.730496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7639.730496][ T10] ip6_route_add+0x1c/0x140 [ 7639.730496][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7639.730496][ T10] inet6_addr_add+0x4f8/0xa40 [ 7639.730496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7639.730496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7639.730496][ T10] netlink_rcv_skb+0x130/0x360 [ 7639.730496][ T10] netlink_unicast+0x449/0x710 [ 7639.730496][ T10] netlink_sendmsg+0x723/0xbe0 [ 7639.730496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7639.730496][ T10] ___sys_sendmsg+0xee/0x170 [ 7639.730496][ T10] __sys_sendmsg+0xcd/0x170 [ 7639.730496][ T10] do_syscall_64+0xc6/0x1e0 [ 7639.730496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7639.730496][ T10] [ 7639.732687][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7639.732687][ T10] netdev_get_by_index+0x5e/0x80 [ 7639.732687][ T10] fib6_nh_init+0x3d8/0x1580 [ 7639.732687][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7639.732687][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7639.732687][ T10] ipv6_add_addr+0x411/0x2000 [ 7639.732687][ T10] inet6_addr_add+0x30e/0xa40 [ 7639.732687][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7639.732687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7639.732687][ T10] netlink_rcv_skb+0x130/0x360 [ 7639.732687][ T10] netlink_unicast+0x449/0x710 [ 7639.732687][ T10] netlink_sendmsg+0x723/0xbe0 [ 7639.732687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7639.732687][ T10] ___sys_sendmsg+0xee/0x170 [ 7639.732687][ T10] __sys_sendmsg+0xcd/0x170 [ 7639.732687][ T10] do_syscall_64+0xc6/0x1e0 [ 7639.732687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7639.732687][ T10] [ 7639.735009][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7639.735009][ T10] netdev_get_by_index+0x5e/0x80 [ 7639.735009][ T10] fib6_nh_init+0x3d8/0x1580 [ 7639.735009][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7639.735009][ T10] ip6_route_add+0x1c/0x140 [ 7639.735009][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7639.735009][ T10] addrconf_add_dev+0xe2/0x170 [ 7639.735009][ T10] inet6_addr_add+0x12f/0xa40 [ 7639.735009][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7639.735009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7639.735009][ T10] netlink_rcv_skb+0x130/0x360 [ 7639.735009][ T10] netlink_unicast+0x449/0x710 [ 7639.735009][ T10] netlink_sendmsg+0x723/0xbe0 [ 7639.735009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7639.735009][ T10] ___sys_sendmsg+0xee/0x170 [ 7639.735009][ T10] __sys_sendmsg+0xcd/0x170 [ 7639.735009][ T10] do_syscall_64+0xc6/0x1e0 [ 7639.735009][ T10] [ 7639.737158][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7639.737158][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7639.737158][ T10] ipv6_find_idev+0x102/0x170 [ 7639.737158][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7639.737158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7639.737158][ T10] netlink_rcv_skb+0x130/0x360 [ 7639.737158][ T10] netlink_unicast+0x449/0x710 [ 7639.737158][ T10] netlink_sendmsg+0x723/0xbe0 [ 7639.737158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7639.737158][ T10] ___sys_sendmsg+0xee/0x170 [ 7639.737158][ T10] __sys_sendmsg+0xcd/0x170 [ 7639.737158][ T10] do_syscall_64+0xc6/0x1e0 [ 7639.737158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7639.737158][ T10] [ 7639.738836][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7639.738836][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7639.738836][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7639.738836][ T10] ipv6_find_idev+0x102/0x170 [ 7639.738836][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7639.738836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7639.738836][ T10] netlink_rcv_skb+0x130/0x360 [ 7639.738836][ T10] netlink_unicast+0x449/0x710 [ 7639.738836][ T10] netlink_sendmsg+0x723/0xbe0 [ 7639.738836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7639.738836][ T10] ___sys_sendmsg+0xee/0x170 [ 7639.738836][ T10] __sys_sendmsg+0xcd/0x170 [ 7639.738836][ T10] do_syscall_64+0xc6/0x1e0 [ 7639.738836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7639.738836][ T10] [ 7639.740650][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7639.740894][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7639.740894][ T10] netdev_get_by_index+0x5e/0x80 [ 7639.740894][ T10] fib6_nh_init+0x3d8/0x1580 [ 7639.740894][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7639.740894][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7639.740894][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7639.740894][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7639.740894][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7639.740894][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7639.740894][ T10] addrconf_dad_begin+0x310/0x670 [ 7639.740894][ T10] addrconf_dad_work+0x10b/0xab0 [ 7639.740894][ T10] process_one_work+0x84d/0x18a0 [ 7639.740894][ T10] worker_thread+0x587/0xd30 [ 7639.740894][ T10] kthread+0x28a/0x350 [ 7639.740894][ T10] ret_from_fork+0x31/0x70 [ 7639.740894][ T10] ret_from_fork_asm+0x1a/0x30 [ 7639.740894][ T10] [ 7639.742952][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7639.742952][ T10] netdev_get_by_index+0x5e/0x80 [ 7639.742952][ T10] fib6_nh_init+0x3d8/0x1580 [ 7639.742952][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7639.742952][ T10] ip6_route_add+0x1c/0x140 [ 7639.742952][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7639.742952][ T10] inet6_addr_add+0x4f8/0xa40 [ 7639.742952][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7639.742952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7639.742952][ T10] netlink_rcv_skb+0x130/0x360 [ 7639.742952][ T10] netlink_unicast+0x449/0x710 [ 7639.742952][ T10] netlink_sendmsg+0x723/0xbe0 [ 7639.742952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7639.742952][ T10] ___sys_sendmsg+0xee/0x170 [ 7639.742952][ T10] __sys_sendmsg+0xcd/0x170 [ 7639.742952][ T10] do_syscall_64+0xc6/0x1e0 [ 7639.742952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7639.742952][ T10] [ 7639.745087][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7639.745087][ T10] netdev_get_by_index+0x5e/0x80 [ 7639.745087][ T10] fib6_nh_init+0x3d8/0x1580 [ 7639.745087][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7639.745087][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7639.745087][ T10] ipv6_add_addr+0x411/0x2000 [ 7639.745087][ T10] inet6_addr_add+0x30e/0xa40 [ 7639.745087][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7639.745087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7639.745087][ T10] netlink_rcv_skb+0x130/0x360 [ 7639.745087][ T10] netlink_unicast+0x449/0x710 [ 7639.745087][ T10] netlink_sendmsg+0x723/0xbe0 [ 7639.745087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7639.745087][ T10] ___sys_sendmsg+0xee/0x170 [ 7639.745087][ T10] __sys_sendmsg+0xcd/0x170 [ 7639.745087][ T10] do_syscall_64+0xc6/0x1e0 [ 7639.745087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7639.745087][ T10] [ 7639.747219][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7639.747219][ T10] netdev_get_by_index+0x5e/0x80 [ 7639.747219][ T10] fib6_nh_init+0x3d8/0x1580 [ 7639.747219][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7639.747219][ T10] ip6_route_add+0x1c/0x140 [ 7639.747219][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7639.747219][ T10] addrconf_add_dev+0xe2/0x170 [ 7639.747219][ T10] inet6_addr_add+0x12f/0xa40 [ 7639.747219][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7639.747219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7639.747219][ T10] netlink_rcv_skb+0x130/0x360 [ 7639.747219][ T10] netlink_unicast+0x449/0x710 [ 7639.747219][ T10] netlink_sendmsg+0x723/0xbe0 [ 7639.747219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7639.747219][ T10] ___sys_sendmsg+0xee/0x170 [ 7639.747219][ T10] __sys_sendmsg+0xcd/0x170 [ 7639.747219][ T10] do_syscall_64+0xc6/0x1e0 [ 7639.747219][ T10] [ 7639.749310][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7639.749310][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7639.749310][ T10] ipv6_find_idev+0x102/0x170 [ 7639.749310][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7639.749310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7639.749310][ T10] netlink_rcv_skb+0x130/0x360 [ 7639.749310][ T10] netlink_unicast+0x449/0x710 [ 7639.749310][ T10] netlink_sendmsg+0x723/0xbe0 [ 7639.749310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7639.749310][ T10] ___sys_sendmsg+0xee/0x170 [ 7639.749310][ T10] __sys_sendmsg+0xcd/0x170 [ 7639.749310][ T10] do_syscall_64+0xc6/0x1e0 [ 7639.749310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7639.749310][ T10] [ 7639.751466][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7639.751466][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7639.751466][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7639.751466][ T10] ipv6_find_idev+0x102/0x170 [ 7639.751466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7639.751466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7639.751466][ T10] netlink_rcv_skb+0x130/0x360 [ 7639.751466][ T10] netlink_unicast+0x449/0x710 [ 7639.751466][ T10] netlink_sendmsg+0x723/0xbe0 [ 7639.751466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7639.751466][ T10] ___sys_sendmsg+0xee/0x170 [ 7639.751466][ T10] __sys_sendmsg+0xcd/0x170 [ 7639.751466][ T10] do_syscall_64+0xc6/0x1e0 [ 7639.751466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7639.751466][ T10] [ 7641.561111][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7641.561602][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7641.561602][ T1167] dst_init+0x84/0x4a0 [ 7641.561602][ T1167] dst_alloc+0x97/0x150 [ 7641.561602][ T1167] ip6_dst_alloc+0x23/0x90 [ 7641.561602][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7641.561602][ T1167] ip6_pol_route+0x56f/0x840 [ 7641.561602][ T1167] fib6_rule_lookup+0x334/0x630 [ 7641.561602][ T1167] ip6_route_output_flags+0x259/0x480 [ 7641.561602][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7641.561602][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7641.561602][ T1167] netlink_rcv_skb+0x130/0x360 [ 7641.561602][ T1167] netlink_unicast+0x449/0x710 [ 7641.561602][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7641.561602][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7641.561602][ T1167] ___sys_sendmsg+0xee/0x170 [ 7641.561602][ T1167] __sys_sendmsg+0xcd/0x170 [ 7641.561602][ T1167] do_syscall_64+0xc6/0x1e0 [ 7641.561602][ T1167] [ 7641.563828][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7641.563828][ T1167] netdev_get_by_index+0x5e/0x80 [ 7641.563828][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7641.563828][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7641.563828][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7641.563828][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7641.563828][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7641.563828][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7641.563828][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7641.563828][ T1167] addrconf_dad_begin+0x310/0x670 [ 7641.563828][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7641.563828][ T1167] process_one_work+0x84d/0x18a0 [ 7641.563828][ T1167] worker_thread+0x587/0xd30 [ 7641.563828][ T1167] kthread+0x28a/0x350 [ 7641.563828][ T1167] ret_from_fork+0x31/0x70 [ 7641.563828][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7641.563828][ T1167] [ 7641.565956][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7641.565956][ T1167] netdev_get_by_index+0x5e/0x80 [ 7641.565956][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7641.565956][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7641.565956][ T1167] ip6_route_add+0x1c/0x140 [ 7641.565956][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7641.565956][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7641.565956][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7641.565956][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7641.565956][ T1167] netlink_rcv_skb+0x130/0x360 [ 7641.565956][ T1167] netlink_unicast+0x449/0x710 [ 7641.565956][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7641.565956][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7641.565956][ T1167] ___sys_sendmsg+0xee/0x170 [ 7641.565956][ T1167] __sys_sendmsg+0xcd/0x170 [ 7641.565956][ T1167] do_syscall_64+0xc6/0x1e0 [ 7641.565956][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7641.565956][ T1167] [ 7641.568183][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7641.568183][ T1167] netdev_get_by_index+0x5e/0x80 [ 7641.568183][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7641.568183][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7641.568183][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7641.568183][ T1167] ipv6_add_addr+0x411/0x2000 [ 7641.568183][ T1167] inet6_addr_add+0x30e/0xa40 [ 7641.568183][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7641.568183][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7641.568183][ T1167] netlink_rcv_skb+0x130/0x360 [ 7641.568183][ T1167] netlink_unicast+0x449/0x710 [ 7641.568183][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7641.568183][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7641.568183][ T1167] ___sys_sendmsg+0xee/0x170 [ 7641.568183][ T1167] __sys_sendmsg+0xcd/0x170 [ 7641.568183][ T1167] do_syscall_64+0xc6/0x1e0 [ 7641.568183][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7641.568183][ T1167] [ 7641.570416][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7641.570416][ T1167] netdev_get_by_index+0x5e/0x80 [ 7641.570416][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7641.570416][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7641.570416][ T1167] ip6_route_add+0x1c/0x140 [ 7641.570416][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7641.570416][ T1167] addrconf_add_dev+0xe2/0x170 [ 7641.570416][ T1167] inet6_addr_add+0x12f/0xa40 [ 7641.570416][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7641.570416][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7641.570416][ T1167] netlink_rcv_skb+0x130/0x360 [ 7641.570416][ T1167] netlink_unicast+0x449/0x710 [ 7641.570416][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7641.570416][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7641.570416][ T1167] ___sys_sendmsg+0xee/0x170 [ 7641.570416][ T1167] __sys_sendmsg+0xcd/0x170 [ 7641.570416][ T1167] do_syscall_64+0xc6/0x1e0 [ 7641.570416][ T1167] [ 7641.572610][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7641.572610][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7641.572610][ T1167] ipv6_find_idev+0x102/0x170 [ 7641.572610][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7641.572610][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7641.572610][ T1167] netlink_rcv_skb+0x130/0x360 [ 7641.572610][ T1167] netlink_unicast+0x449/0x710 [ 7641.572610][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7641.572610][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7641.572610][ T1167] ___sys_sendmsg+0xee/0x170 [ 7641.572610][ T1167] __sys_sendmsg+0xcd/0x170 [ 7641.572610][ T1167] do_syscall_64+0xc6/0x1e0 [ 7641.572610][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7641.572610][ T1167] [ 7641.574329][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7641.574329][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7641.574329][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7641.574329][ T1167] ipv6_find_idev+0x102/0x170 [ 7641.574329][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7641.574329][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7641.574329][ T1167] netlink_rcv_skb+0x130/0x360 [ 7641.574329][ T1167] netlink_unicast+0x449/0x710 [ 7641.574329][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7641.574329][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7641.574329][ T1167] ___sys_sendmsg+0xee/0x170 [ 7641.574329][ T1167] __sys_sendmsg+0xcd/0x170 [ 7641.574329][ T1167] do_syscall_64+0xc6/0x1e0 [ 7641.574329][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7641.574329][ T1167] [ 7649.993123][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7649.993494][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7649.993494][ T10] netdev_get_by_index+0x5e/0x80 [ 7649.993494][ T10] fib6_nh_init+0x3d8/0x1580 [ 7649.993494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7649.993494][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7649.993494][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7649.993494][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7649.993494][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7649.993494][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7649.993494][ T10] addrconf_dad_begin+0x310/0x670 [ 7649.993494][ T10] addrconf_dad_work+0x10b/0xab0 [ 7649.993494][ T10] process_one_work+0x84d/0x18a0 [ 7649.993494][ T10] worker_thread+0x587/0xd30 [ 7649.993494][ T10] kthread+0x28a/0x350 [ 7649.993494][ T10] ret_from_fork+0x31/0x70 [ 7649.993494][ T10] ret_from_fork_asm+0x1a/0x30 [ 7649.993494][ T10] [ 7649.995436][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7649.995436][ T10] netdev_get_by_index+0x5e/0x80 [ 7649.995436][ T10] fib6_nh_init+0x3d8/0x1580 [ 7649.995436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7649.995436][ T10] ip6_route_add+0x1c/0x140 [ 7649.995436][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7649.995436][ T10] inet6_addr_add+0x4f8/0xa40 [ 7649.995436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7649.995436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7649.995436][ T10] netlink_rcv_skb+0x130/0x360 [ 7649.995436][ T10] netlink_unicast+0x449/0x710 [ 7649.995436][ T10] netlink_sendmsg+0x723/0xbe0 [ 7649.995436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7649.995436][ T10] ___sys_sendmsg+0xee/0x170 [ 7649.995436][ T10] __sys_sendmsg+0xcd/0x170 [ 7649.995436][ T10] do_syscall_64+0xc6/0x1e0 [ 7649.995436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7649.995436][ T10] [ 7649.997442][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7649.997442][ T10] netdev_get_by_index+0x5e/0x80 [ 7649.997442][ T10] fib6_nh_init+0x3d8/0x1580 [ 7649.997442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7649.997442][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7649.997442][ T10] ipv6_add_addr+0x411/0x2000 [ 7649.997442][ T10] inet6_addr_add+0x30e/0xa40 [ 7649.997442][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7649.997442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7649.997442][ T10] netlink_rcv_skb+0x130/0x360 [ 7649.997442][ T10] netlink_unicast+0x449/0x710 [ 7649.997442][ T10] netlink_sendmsg+0x723/0xbe0 [ 7649.997442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7649.997442][ T10] ___sys_sendmsg+0xee/0x170 [ 7649.997442][ T10] __sys_sendmsg+0xcd/0x170 [ 7649.997442][ T10] do_syscall_64+0xc6/0x1e0 [ 7649.997442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7649.997442][ T10] [ 7649.999446][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7649.999446][ T10] netdev_get_by_index+0x5e/0x80 [ 7649.999446][ T10] fib6_nh_init+0x3d8/0x1580 [ 7649.999446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7649.999446][ T10] ip6_route_add+0x1c/0x140 [ 7649.999446][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7649.999446][ T10] addrconf_add_dev+0xe2/0x170 [ 7649.999446][ T10] inet6_addr_add+0x12f/0xa40 [ 7649.999446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7649.999446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7649.999446][ T10] netlink_rcv_skb+0x130/0x360 [ 7649.999446][ T10] netlink_unicast+0x449/0x710 [ 7649.999446][ T10] netlink_sendmsg+0x723/0xbe0 [ 7649.999446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7649.999446][ T10] ___sys_sendmsg+0xee/0x170 [ 7649.999446][ T10] __sys_sendmsg+0xcd/0x170 [ 7649.999446][ T10] do_syscall_64+0xc6/0x1e0 [ 7649.999446][ T10] [ 7650.001415][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7650.001415][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7650.001415][ T10] ipv6_find_idev+0x102/0x170 [ 7650.001415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7650.001415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7650.001415][ T10] netlink_rcv_skb+0x130/0x360 [ 7650.001415][ T10] netlink_unicast+0x449/0x710 [ 7650.001415][ T10] netlink_sendmsg+0x723/0xbe0 [ 7650.001415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7650.001415][ T10] ___sys_sendmsg+0xee/0x170 [ 7650.001415][ T10] __sys_sendmsg+0xcd/0x170 [ 7650.001415][ T10] do_syscall_64+0xc6/0x1e0 [ 7650.001415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7650.001415][ T10] [ 7650.002966][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7650.002966][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7650.002966][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7650.002966][ T10] ipv6_find_idev+0x102/0x170 [ 7650.002966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7650.002966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7650.002966][ T10] netlink_rcv_skb+0x130/0x360 [ 7650.002966][ T10] netlink_unicast+0x449/0x710 [ 7650.002966][ T10] netlink_sendmsg+0x723/0xbe0 [ 7650.002966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7650.002966][ T10] ___sys_sendmsg+0xee/0x170 [ 7650.002966][ T10] __sys_sendmsg+0xcd/0x170 [ 7650.002966][ T10] do_syscall_64+0xc6/0x1e0 [ 7650.002966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7650.002966][ T10] [ 7650.004661][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7650.004904][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7650.004904][ T10] netdev_get_by_index+0x5e/0x80 [ 7650.004904][ T10] fib6_nh_init+0x3d8/0x1580 [ 7650.004904][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7650.004904][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7650.004904][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7650.004904][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7650.004904][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7650.004904][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7650.004904][ T10] addrconf_dad_begin+0x310/0x670 [ 7650.004904][ T10] addrconf_dad_work+0x10b/0xab0 [ 7650.004904][ T10] process_one_work+0x84d/0x18a0 [ 7650.004904][ T10] worker_thread+0x587/0xd30 [ 7650.004904][ T10] kthread+0x28a/0x350 [ 7650.004904][ T10] ret_from_fork+0x31/0x70 [ 7650.004904][ T10] ret_from_fork_asm+0x1a/0x30 [ 7650.004904][ T10] [ 7650.006811][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7650.006811][ T10] netdev_get_by_index+0x5e/0x80 [ 7650.006811][ T10] fib6_nh_init+0x3d8/0x1580 [ 7650.006811][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7650.006811][ T10] ip6_route_add+0x1c/0x140 [ 7650.006811][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7650.006811][ T10] inet6_addr_add+0x4f8/0xa40 [ 7650.006811][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7650.006811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7650.006811][ T10] netlink_rcv_skb+0x130/0x360 [ 7650.006811][ T10] netlink_unicast+0x449/0x710 [ 7650.006811][ T10] netlink_sendmsg+0x723/0xbe0 [ 7650.006811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7650.006811][ T10] ___sys_sendmsg+0xee/0x170 [ 7650.006811][ T10] __sys_sendmsg+0xcd/0x170 [ 7650.006811][ T10] do_syscall_64+0xc6/0x1e0 [ 7650.006811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7650.006811][ T10] [ 7650.008808][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7650.008808][ T10] netdev_get_by_index+0x5e/0x80 [ 7650.008808][ T10] fib6_nh_init+0x3d8/0x1580 [ 7650.008808][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7650.008808][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7650.008808][ T10] ipv6_add_addr+0x411/0x2000 [ 7650.008808][ T10] inet6_addr_add+0x30e/0xa40 [ 7650.008808][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7650.008808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7650.008808][ T10] netlink_rcv_skb+0x130/0x360 [ 7650.008808][ T10] netlink_unicast+0x449/0x710 [ 7650.008808][ T10] netlink_sendmsg+0x723/0xbe0 [ 7650.008808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7650.008808][ T10] ___sys_sendmsg+0xee/0x170 [ 7650.008808][ T10] __sys_sendmsg+0xcd/0x170 [ 7650.008808][ T10] do_syscall_64+0xc6/0x1e0 [ 7650.008808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7650.008808][ T10] [ 7650.010811][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7650.010811][ T10] netdev_get_by_index+0x5e/0x80 [ 7650.010811][ T10] fib6_nh_init+0x3d8/0x1580 [ 7650.010811][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7650.010811][ T10] ip6_route_add+0x1c/0x140 [ 7650.010811][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7650.010811][ T10] addrconf_add_dev+0xe2/0x170 [ 7650.010811][ T10] inet6_addr_add+0x12f/0xa40 [ 7650.010811][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7650.010811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7650.010811][ T10] netlink_rcv_skb+0x130/0x360 [ 7650.010811][ T10] netlink_unicast+0x449/0x710 [ 7650.010811][ T10] netlink_sendmsg+0x723/0xbe0 [ 7650.010811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7650.010811][ T10] ___sys_sendmsg+0xee/0x170 [ 7650.010811][ T10] __sys_sendmsg+0xcd/0x170 [ 7650.010811][ T10] do_syscall_64+0xc6/0x1e0 [ 7650.010811][ T10] [ 7650.012781][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7650.012781][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7650.012781][ T10] ipv6_find_idev+0x102/0x170 [ 7650.012781][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7650.012781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7650.012781][ T10] netlink_rcv_skb+0x130/0x360 [ 7650.012781][ T10] netlink_unicast+0x449/0x710 [ 7650.012781][ T10] netlink_sendmsg+0x723/0xbe0 [ 7650.012781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7650.012781][ T10] ___sys_sendmsg+0xee/0x170 [ 7650.012781][ T10] __sys_sendmsg+0xcd/0x170 [ 7650.012781][ T10] do_syscall_64+0xc6/0x1e0 [ 7650.012781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7650.012781][ T10] [ 7650.014322][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7650.014322][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7650.014322][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7650.014322][ T10] ipv6_find_idev+0x102/0x170 [ 7650.014322][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7650.014322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7650.014322][ T10] netlink_rcv_skb+0x130/0x360 [ 7650.014322][ T10] netlink_unicast+0x449/0x710 [ 7650.014322][ T10] netlink_sendmsg+0x723/0xbe0 [ 7650.014322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7650.014322][ T10] ___sys_sendmsg+0xee/0x170 [ 7650.014322][ T10] __sys_sendmsg+0xcd/0x170 [ 7650.014322][ T10] do_syscall_64+0xc6/0x1e0 [ 7650.014322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7650.014322][ T10] [ 7650.016020][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7650.016260][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7650.016260][ T10] netdev_get_by_index+0x5e/0x80 [ 7650.016260][ T10] fib6_nh_init+0x3d8/0x1580 [ 7650.016260][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7650.016260][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7650.016260][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7650.016260][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7650.016260][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7650.016260][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7650.016260][ T10] addrconf_dad_begin+0x310/0x670 [ 7650.016260][ T10] addrconf_dad_work+0x10b/0xab0 [ 7650.016260][ T10] process_one_work+0x84d/0x18a0 [ 7650.016260][ T10] worker_thread+0x587/0xd30 [ 7650.016260][ T10] kthread+0x28a/0x350 [ 7650.016260][ T10] ret_from_fork+0x31/0x70 [ 7650.016260][ T10] ret_from_fork_asm+0x1a/0x30 [ 7650.016260][ T10] [ 7650.018169][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7650.018169][ T10] netdev_get_by_index+0x5e/0x80 [ 7650.018169][ T10] fib6_nh_init+0x3d8/0x1580 [ 7650.018169][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7650.018169][ T10] ip6_route_add+0x1c/0x140 [ 7650.018169][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7650.018169][ T10] inet6_addr_add+0x4f8/0xa40 [ 7650.018169][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7650.018169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7650.018169][ T10] netlink_rcv_skb+0x130/0x360 [ 7650.018169][ T10] netlink_unicast+0x449/0x710 [ 7650.018169][ T10] netlink_sendmsg+0x723/0xbe0 [ 7650.018169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7650.018169][ T10] ___sys_sendmsg+0xee/0x170 [ 7650.018169][ T10] __sys_sendmsg+0xcd/0x170 [ 7650.018169][ T10] do_syscall_64+0xc6/0x1e0 [ 7650.018169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7650.018169][ T10] [ 7650.020349][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7650.020349][ T10] netdev_get_by_index+0x5e/0x80 [ 7650.020349][ T10] fib6_nh_init+0x3d8/0x1580 [ 7650.020349][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7650.020349][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7650.020349][ T10] ipv6_add_addr+0x411/0x2000 [ 7650.020349][ T10] inet6_addr_add+0x30e/0xa40 [ 7650.020349][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7650.020349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7650.020349][ T10] netlink_rcv_skb+0x130/0x360 [ 7650.020349][ T10] netlink_unicast+0x449/0x710 [ 7650.020349][ T10] netlink_sendmsg+0x723/0xbe0 [ 7650.020349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7650.020349][ T10] ___sys_sendmsg+0xee/0x170 [ 7650.020349][ T10] __sys_sendmsg+0xcd/0x170 [ 7650.020349][ T10] do_syscall_64+0xc6/0x1e0 [ 7650.020349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7650.020349][ T10] [ 7650.022600][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7650.022600][ T10] netdev_get_by_index+0x5e/0x80 [ 7650.022600][ T10] fib6_nh_init+0x3d8/0x1580 [ 7650.022600][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7650.022600][ T10] ip6_route_add+0x1c/0x140 [ 7650.022600][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7650.022600][ T10] addrconf_add_dev+0xe2/0x170 [ 7650.022600][ T10] inet6_addr_add+0x12f/0xa40 [ 7650.022600][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7650.022600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7650.022600][ T10] netlink_rcv_skb+0x130/0x360 [ 7650.022600][ T10] netlink_unicast+0x449/0x710 [ 7650.022600][ T10] netlink_sendmsg+0x723/0xbe0 [ 7650.022600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7650.022600][ T10] ___sys_sendmsg+0xee/0x170 [ 7650.022600][ T10] __sys_sendmsg+0xcd/0x170 [ 7650.022600][ T10] do_syscall_64+0xc6/0x1e0 [ 7650.022600][ T10] [ 7650.024870][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7650.024870][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7650.024870][ T10] ipv6_find_idev+0x102/0x170 [ 7650.024870][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7650.024870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7650.024870][ T10] netlink_rcv_skb+0x130/0x360 [ 7650.024870][ T10] netlink_unicast+0x449/0x710 [ 7650.024870][ T10] netlink_sendmsg+0x723/0xbe0 [ 7650.024870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7650.024870][ T10] ___sys_sendmsg+0xee/0x170 [ 7650.024870][ T10] __sys_sendmsg+0xcd/0x170 [ 7650.024870][ T10] do_syscall_64+0xc6/0x1e0 [ 7650.024870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7650.024870][ T10] [ 7650.026606][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7650.026606][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7650.026606][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7650.026606][ T10] ipv6_find_idev+0x102/0x170 [ 7650.026606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7650.026606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7650.026606][ T10] netlink_rcv_skb+0x130/0x360 [ 7650.026606][ T10] netlink_unicast+0x449/0x710 [ 7650.026606][ T10] netlink_sendmsg+0x723/0xbe0 [ 7650.026606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7650.026606][ T10] ___sys_sendmsg+0xee/0x170 [ 7650.026606][ T10] __sys_sendmsg+0xcd/0x170 [ 7650.026606][ T10] do_syscall_64+0xc6/0x1e0 [ 7650.026606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7650.026606][ T10] [ 7650.028601][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7650.028844][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7650.028844][ T10] netdev_get_by_index+0x5e/0x80 [ 7650.028844][ T10] fib6_nh_init+0x3d8/0x1580 [ 7650.028844][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7650.028844][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7650.028844][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7650.028844][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7650.028844][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7650.028844][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7650.028844][ T10] addrconf_dad_begin+0x310/0x670 [ 7650.028844][ T10] addrconf_dad_work+0x10b/0xab0 [ 7650.028844][ T10] process_one_work+0x84d/0x18a0 [ 7650.028844][ T10] worker_thread+0x587/0xd30 [ 7650.028844][ T10] kthread+0x28a/0x350 [ 7650.028844][ T10] ret_from_fork+0x31/0x70 [ 7650.028844][ T10] ret_from_fork_asm+0x1a/0x30 [ 7650.028844][ T10] [ 7650.030999][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7650.030999][ T10] netdev_get_by_index+0x5e/0x80 [ 7650.030999][ T10] fib6_nh_init+0x3d8/0x1580 [ 7650.030999][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7650.030999][ T10] ip6_route_add+0x1c/0x140 [ 7650.030999][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7650.030999][ T10] inet6_addr_add+0x4f8/0xa40 [ 7650.030999][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7650.030999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7650.030999][ T10] netlink_rcv_skb+0x130/0x360 [ 7650.030999][ T10] netlink_unicast+0x449/0x710 [ 7650.030999][ T10] netlink_sendmsg+0x723/0xbe0 [ 7650.030999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7650.030999][ T10] ___sys_sendmsg+0xee/0x170 [ 7650.030999][ T10] __sys_sendmsg+0xcd/0x170 [ 7650.030999][ T10] do_syscall_64+0xc6/0x1e0 [ 7650.030999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7650.030999][ T10] [ 7650.033192][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7650.033192][ T10] netdev_get_by_index+0x5e/0x80 [ 7650.033192][ T10] fib6_nh_init+0x3d8/0x1580 [ 7650.033192][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7650.033192][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7650.033192][ T10] ipv6_add_addr+0x411/0x2000 [ 7650.033192][ T10] inet6_addr_add+0x30e/0xa40 [ 7650.033192][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7650.033192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7650.033192][ T10] netlink_rcv_skb+0x130/0x360 [ 7650.033192][ T10] netlink_unicast+0x449/0x710 [ 7650.033192][ T10] netlink_sendmsg+0x723/0xbe0 [ 7650.033192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7650.033192][ T10] ___sys_sendmsg+0xee/0x170 [ 7650.033192][ T10] __sys_sendmsg+0xcd/0x170 [ 7650.033192][ T10] do_syscall_64+0xc6/0x1e0 [ 7650.033192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7650.033192][ T10] [ 7650.035436][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7650.035436][ T10] netdev_get_by_index+0x5e/0x80 [ 7650.035436][ T10] fib6_nh_init+0x3d8/0x1580 [ 7650.035436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7650.035436][ T10] ip6_route_add+0x1c/0x140 [ 7650.035436][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7650.035436][ T10] addrconf_add_dev+0xe2/0x170 [ 7650.035436][ T10] inet6_addr_add+0x12f/0xa40 [ 7650.035436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7650.035436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7650.035436][ T10] netlink_rcv_skb+0x130/0x360 [ 7650.035436][ T10] netlink_unicast+0x449/0x710 [ 7650.035436][ T10] netlink_sendmsg+0x723/0xbe0 [ 7650.035436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7650.035436][ T10] ___sys_sendmsg+0xee/0x170 [ 7650.035436][ T10] __sys_sendmsg+0xcd/0x170 [ 7650.035436][ T10] do_syscall_64+0xc6/0x1e0 [ 7650.035436][ T10] [ 7650.037717][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7650.037717][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7650.037717][ T10] ipv6_find_idev+0x102/0x170 [ 7650.037717][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7650.037717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7650.037717][ T10] netlink_rcv_skb+0x130/0x360 [ 7650.037717][ T10] netlink_unicast+0x449/0x710 [ 7650.037717][ T10] netlink_sendmsg+0x723/0xbe0 [ 7650.037717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7650.037717][ T10] ___sys_sendmsg+0xee/0x170 [ 7650.037717][ T10] __sys_sendmsg+0xcd/0x170 [ 7650.037717][ T10] do_syscall_64+0xc6/0x1e0 [ 7650.037717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7650.037717][ T10] [ 7650.039439][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7650.039439][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7650.039439][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7650.039439][ T10] ipv6_find_idev+0x102/0x170 [ 7650.039439][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7650.039439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7650.039439][ T10] netlink_rcv_skb+0x130/0x360 [ 7650.039439][ T10] netlink_unicast+0x449/0x710 [ 7650.039439][ T10] netlink_sendmsg+0x723/0xbe0 [ 7650.039439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7650.039439][ T10] ___sys_sendmsg+0xee/0x170 [ 7650.039439][ T10] __sys_sendmsg+0xcd/0x170 [ 7650.039439][ T10] do_syscall_64+0xc6/0x1e0 [ 7650.039439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7650.039439][ T10] [ 7651.769176][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7651.769606][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7651.769606][ T1167] dst_init+0x84/0x4a0 [ 7651.769606][ T1167] dst_alloc+0x97/0x150 [ 7651.769606][ T1167] ip6_dst_alloc+0x23/0x90 [ 7651.769606][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7651.769606][ T1167] ip6_pol_route+0x56f/0x840 [ 7651.769606][ T1167] fib6_rule_lookup+0x334/0x630 [ 7651.769606][ T1167] ip6_route_output_flags+0x259/0x480 [ 7651.769606][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7651.769606][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7651.769606][ T1167] netlink_rcv_skb+0x130/0x360 [ 7651.769606][ T1167] netlink_unicast+0x449/0x710 [ 7651.769606][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7651.769606][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7651.769606][ T1167] ___sys_sendmsg+0xee/0x170 [ 7651.769606][ T1167] __sys_sendmsg+0xcd/0x170 [ 7651.769606][ T1167] do_syscall_64+0xc6/0x1e0 [ 7651.769606][ T1167] [ 7651.771880][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7651.771880][ T1167] netdev_get_by_index+0x5e/0x80 [ 7651.771880][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7651.771880][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7651.771880][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7651.771880][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7651.771880][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7651.771880][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7651.771880][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7651.771880][ T1167] addrconf_dad_begin+0x310/0x670 [ 7651.771880][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7651.771880][ T1167] process_one_work+0x84d/0x18a0 [ 7651.771880][ T1167] worker_thread+0x587/0xd30 [ 7651.771880][ T1167] kthread+0x28a/0x350 [ 7651.771880][ T1167] ret_from_fork+0x31/0x70 [ 7651.771880][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7651.771880][ T1167] [ 7651.774616][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7651.774616][ T1167] netdev_get_by_index+0x5e/0x80 [ 7651.774616][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7651.774616][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7651.774616][ T1167] ip6_route_add+0x1c/0x140 [ 7651.774616][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7651.774616][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7651.774616][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7651.774616][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7651.774616][ T1167] netlink_rcv_skb+0x130/0x360 [ 7651.774616][ T1167] netlink_unicast+0x449/0x710 [ 7651.774616][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7651.774616][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7651.774616][ T1167] ___sys_sendmsg+0xee/0x170 [ 7651.774616][ T1167] __sys_sendmsg+0xcd/0x170 [ 7651.774616][ T1167] do_syscall_64+0xc6/0x1e0 [ 7651.774616][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7651.774616][ T1167] [ 7651.776850][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7651.776850][ T1167] netdev_get_by_index+0x5e/0x80 [ 7651.776850][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7651.776850][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7651.776850][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7651.776850][ T1167] ipv6_add_addr+0x411/0x2000 [ 7651.776850][ T1167] inet6_addr_add+0x30e/0xa40 [ 7651.776850][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7651.776850][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7651.776850][ T1167] netlink_rcv_skb+0x130/0x360 [ 7651.776850][ T1167] netlink_unicast+0x449/0x710 [ 7651.776850][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7651.776850][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7651.776850][ T1167] ___sys_sendmsg+0xee/0x170 [ 7651.776850][ T1167] __sys_sendmsg+0xcd/0x170 [ 7651.776850][ T1167] do_syscall_64+0xc6/0x1e0 [ 7651.776850][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7651.776850][ T1167] [ 7651.779087][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7651.779087][ T1167] netdev_get_by_index+0x5e/0x80 [ 7651.779087][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7651.779087][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7651.779087][ T1167] ip6_route_add+0x1c/0x140 [ 7651.779087][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7651.779087][ T1167] addrconf_add_dev+0xe2/0x170 [ 7651.779087][ T1167] inet6_addr_add+0x12f/0xa40 [ 7651.779087][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7651.779087][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7651.779087][ T1167] netlink_rcv_skb+0x130/0x360 [ 7651.779087][ T1167] netlink_unicast+0x449/0x710 [ 7651.779087][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7651.779087][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7651.779087][ T1167] ___sys_sendmsg+0xee/0x170 [ 7651.779087][ T1167] __sys_sendmsg+0xcd/0x170 [ 7651.779087][ T1167] do_syscall_64+0xc6/0x1e0 [ 7651.779087][ T1167] [ 7651.781284][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7651.781284][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7651.781284][ T1167] ipv6_find_idev+0x102/0x170 [ 7651.781284][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7651.781284][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7651.781284][ T1167] netlink_rcv_skb+0x130/0x360 [ 7651.781284][ T1167] netlink_unicast+0x449/0x710 [ 7651.781284][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7651.781284][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7651.781284][ T1167] ___sys_sendmsg+0xee/0x170 [ 7651.781284][ T1167] __sys_sendmsg+0xcd/0x170 [ 7651.781284][ T1167] do_syscall_64+0xc6/0x1e0 [ 7651.781284][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7651.781284][ T1167] [ 7651.783009][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7651.783009][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7651.783009][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7651.783009][ T1167] ipv6_find_idev+0x102/0x170 [ 7651.783009][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7651.783009][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7651.783009][ T1167] netlink_rcv_skb+0x130/0x360 [ 7651.783009][ T1167] netlink_unicast+0x449/0x710 [ 7651.783009][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7651.783009][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7651.783009][ T1167] ___sys_sendmsg+0xee/0x170 [ 7651.783009][ T1167] __sys_sendmsg+0xcd/0x170 [ 7651.783009][ T1167] do_syscall_64+0xc6/0x1e0 [ 7651.783009][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7651.783009][ T1167] [ 7660.281105][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7660.281543][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7660.281543][ T10] netdev_get_by_index+0x5e/0x80 [ 7660.281543][ T10] fib6_nh_init+0x3d8/0x1580 [ 7660.281543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7660.281543][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7660.281543][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7660.281543][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7660.281543][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7660.281543][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7660.281543][ T10] addrconf_dad_begin+0x310/0x670 [ 7660.281543][ T10] addrconf_dad_work+0x10b/0xab0 [ 7660.281543][ T10] process_one_work+0x84d/0x18a0 [ 7660.281543][ T10] worker_thread+0x587/0xd30 [ 7660.281543][ T10] kthread+0x28a/0x350 [ 7660.281543][ T10] ret_from_fork+0x31/0x70 [ 7660.281543][ T10] ret_from_fork_asm+0x1a/0x30 [ 7660.281543][ T10] [ 7660.283506][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7660.283506][ T10] netdev_get_by_index+0x5e/0x80 [ 7660.283506][ T10] fib6_nh_init+0x3d8/0x1580 [ 7660.283506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7660.283506][ T10] ip6_route_add+0x1c/0x140 [ 7660.283506][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7660.283506][ T10] inet6_addr_add+0x4f8/0xa40 [ 7660.283506][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7660.283506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7660.283506][ T10] netlink_rcv_skb+0x130/0x360 [ 7660.283506][ T10] netlink_unicast+0x449/0x710 [ 7660.283506][ T10] netlink_sendmsg+0x723/0xbe0 [ 7660.283506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7660.283506][ T10] ___sys_sendmsg+0xee/0x170 [ 7660.283506][ T10] __sys_sendmsg+0xcd/0x170 [ 7660.283506][ T10] do_syscall_64+0xc6/0x1e0 [ 7660.283506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7660.283506][ T10] [ 7660.285517][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7660.285517][ T10] netdev_get_by_index+0x5e/0x80 [ 7660.285517][ T10] fib6_nh_init+0x3d8/0x1580 [ 7660.285517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7660.285517][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7660.285517][ T10] ipv6_add_addr+0x411/0x2000 [ 7660.285517][ T10] inet6_addr_add+0x30e/0xa40 [ 7660.285517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7660.285517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7660.285517][ T10] netlink_rcv_skb+0x130/0x360 [ 7660.285517][ T10] netlink_unicast+0x449/0x710 [ 7660.285517][ T10] netlink_sendmsg+0x723/0xbe0 [ 7660.285517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7660.285517][ T10] ___sys_sendmsg+0xee/0x170 [ 7660.285517][ T10] __sys_sendmsg+0xcd/0x170 [ 7660.285517][ T10] do_syscall_64+0xc6/0x1e0 [ 7660.285517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7660.285517][ T10] [ 7660.287524][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7660.287524][ T10] netdev_get_by_index+0x5e/0x80 [ 7660.287524][ T10] fib6_nh_init+0x3d8/0x1580 [ 7660.287524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7660.287524][ T10] ip6_route_add+0x1c/0x140 [ 7660.287524][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7660.287524][ T10] addrconf_add_dev+0xe2/0x170 [ 7660.287524][ T10] inet6_addr_add+0x12f/0xa40 [ 7660.287524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7660.287524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7660.287524][ T10] netlink_rcv_skb+0x130/0x360 [ 7660.287524][ T10] netlink_unicast+0x449/0x710 [ 7660.287524][ T10] netlink_sendmsg+0x723/0xbe0 [ 7660.287524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7660.287524][ T10] ___sys_sendmsg+0xee/0x170 [ 7660.287524][ T10] __sys_sendmsg+0xcd/0x170 [ 7660.287524][ T10] do_syscall_64+0xc6/0x1e0 [ 7660.287524][ T10] [ 7660.289502][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7660.289502][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7660.289502][ T10] ipv6_find_idev+0x102/0x170 [ 7660.289502][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7660.289502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7660.289502][ T10] netlink_rcv_skb+0x130/0x360 [ 7660.289502][ T10] netlink_unicast+0x449/0x710 [ 7660.289502][ T10] netlink_sendmsg+0x723/0xbe0 [ 7660.289502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7660.289502][ T10] ___sys_sendmsg+0xee/0x170 [ 7660.289502][ T10] __sys_sendmsg+0xcd/0x170 [ 7660.289502][ T10] do_syscall_64+0xc6/0x1e0 [ 7660.289502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7660.289502][ T10] [ 7660.291082][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7660.291082][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7660.291082][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7660.291082][ T10] ipv6_find_idev+0x102/0x170 [ 7660.291082][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7660.291082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7660.291082][ T10] netlink_rcv_skb+0x130/0x360 [ 7660.291082][ T10] netlink_unicast+0x449/0x710 [ 7660.291082][ T10] netlink_sendmsg+0x723/0xbe0 [ 7660.291082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7660.291082][ T10] ___sys_sendmsg+0xee/0x170 [ 7660.291082][ T10] __sys_sendmsg+0xcd/0x170 [ 7660.291082][ T10] do_syscall_64+0xc6/0x1e0 [ 7660.291082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7660.291082][ T10] [ 7660.292794][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7660.293048][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7660.293048][ T10] netdev_get_by_index+0x5e/0x80 [ 7660.293048][ T10] fib6_nh_init+0x3d8/0x1580 [ 7660.293048][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7660.293048][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7660.293048][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7660.293048][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7660.293048][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7660.293048][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7660.293048][ T10] addrconf_dad_begin+0x310/0x670 [ 7660.293048][ T10] addrconf_dad_work+0x10b/0xab0 [ 7660.293048][ T10] process_one_work+0x84d/0x18a0 [ 7660.293048][ T10] worker_thread+0x587/0xd30 [ 7660.293048][ T10] kthread+0x28a/0x350 [ 7660.293048][ T10] ret_from_fork+0x31/0x70 [ 7660.293048][ T10] ret_from_fork_asm+0x1a/0x30 [ 7660.293048][ T10] [ 7660.294961][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7660.294961][ T10] netdev_get_by_index+0x5e/0x80 [ 7660.294961][ T10] fib6_nh_init+0x3d8/0x1580 [ 7660.294961][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7660.294961][ T10] ip6_route_add+0x1c/0x140 [ 7660.294961][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7660.294961][ T10] inet6_addr_add+0x4f8/0xa40 [ 7660.294961][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7660.294961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7660.294961][ T10] netlink_rcv_skb+0x130/0x360 [ 7660.294961][ T10] netlink_unicast+0x449/0x710 [ 7660.294961][ T10] netlink_sendmsg+0x723/0xbe0 [ 7660.294961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7660.294961][ T10] ___sys_sendmsg+0xee/0x170 [ 7660.294961][ T10] __sys_sendmsg+0xcd/0x170 [ 7660.294961][ T10] do_syscall_64+0xc6/0x1e0 [ 7660.294961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7660.294961][ T10] [ 7660.296963][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7660.296963][ T10] netdev_get_by_index+0x5e/0x80 [ 7660.296963][ T10] fib6_nh_init+0x3d8/0x1580 [ 7660.296963][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7660.296963][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7660.296963][ T10] ipv6_add_addr+0x411/0x2000 [ 7660.296963][ T10] inet6_addr_add+0x30e/0xa40 [ 7660.296963][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7660.296963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7660.296963][ T10] netlink_rcv_skb+0x130/0x360 [ 7660.296963][ T10] netlink_unicast+0x449/0x710 [ 7660.296963][ T10] netlink_sendmsg+0x723/0xbe0 [ 7660.296963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7660.296963][ T10] ___sys_sendmsg+0xee/0x170 [ 7660.296963][ T10] __sys_sendmsg+0xcd/0x170 [ 7660.296963][ T10] do_syscall_64+0xc6/0x1e0 [ 7660.296963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7660.296963][ T10] [ 7660.298967][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7660.298967][ T10] netdev_get_by_index+0x5e/0x80 [ 7660.298967][ T10] fib6_nh_init+0x3d8/0x1580 [ 7660.298967][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7660.298967][ T10] ip6_route_add+0x1c/0x140 [ 7660.298967][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7660.298967][ T10] addrconf_add_dev+0xe2/0x170 [ 7660.298967][ T10] inet6_addr_add+0x12f/0xa40 [ 7660.298967][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7660.298967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7660.298967][ T10] netlink_rcv_skb+0x130/0x360 [ 7660.298967][ T10] netlink_unicast+0x449/0x710 [ 7660.298967][ T10] netlink_sendmsg+0x723/0xbe0 [ 7660.298967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7660.298967][ T10] ___sys_sendmsg+0xee/0x170 [ 7660.298967][ T10] __sys_sendmsg+0xcd/0x170 [ 7660.298967][ T10] do_syscall_64+0xc6/0x1e0 [ 7660.298967][ T10] [ 7660.300931][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7660.300931][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7660.300931][ T10] ipv6_find_idev+0x102/0x170 [ 7660.300931][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7660.300931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7660.300931][ T10] netlink_rcv_skb+0x130/0x360 [ 7660.300931][ T10] netlink_unicast+0x449/0x710 [ 7660.300931][ T10] netlink_sendmsg+0x723/0xbe0 [ 7660.300931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7660.300931][ T10] ___sys_sendmsg+0xee/0x170 [ 7660.300931][ T10] __sys_sendmsg+0xcd/0x170 [ 7660.300931][ T10] do_syscall_64+0xc6/0x1e0 [ 7660.300931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7660.300931][ T10] [ 7660.302501][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7660.302501][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7660.302501][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7660.302501][ T10] ipv6_find_idev+0x102/0x170 [ 7660.302501][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7660.302501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7660.302501][ T10] netlink_rcv_skb+0x130/0x360 [ 7660.302501][ T10] netlink_unicast+0x449/0x710 [ 7660.302501][ T10] netlink_sendmsg+0x723/0xbe0 [ 7660.302501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7660.302501][ T10] ___sys_sendmsg+0xee/0x170 [ 7660.302501][ T10] __sys_sendmsg+0xcd/0x170 [ 7660.302501][ T10] do_syscall_64+0xc6/0x1e0 [ 7660.302501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7660.302501][ T10] [ 7660.304199][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7660.304441][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7660.304441][ T10] netdev_get_by_index+0x5e/0x80 [ 7660.304441][ T10] fib6_nh_init+0x3d8/0x1580 [ 7660.304441][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7660.304441][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7660.304441][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7660.304441][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7660.304441][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7660.304441][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7660.304441][ T10] addrconf_dad_begin+0x310/0x670 [ 7660.304441][ T10] addrconf_dad_work+0x10b/0xab0 [ 7660.304441][ T10] process_one_work+0x84d/0x18a0 [ 7660.304441][ T10] worker_thread+0x587/0xd30 [ 7660.304441][ T10] kthread+0x28a/0x350 [ 7660.304441][ T10] ret_from_fork+0x31/0x70 [ 7660.304441][ T10] ret_from_fork_asm+0x1a/0x30 [ 7660.304441][ T10] [ 7660.306362][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7660.306362][ T10] netdev_get_by_index+0x5e/0x80 [ 7660.306362][ T10] fib6_nh_init+0x3d8/0x1580 [ 7660.306362][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7660.306362][ T10] ip6_route_add+0x1c/0x140 [ 7660.306362][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7660.306362][ T10] inet6_addr_add+0x4f8/0xa40 [ 7660.306362][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7660.306362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7660.306362][ T10] netlink_rcv_skb+0x130/0x360 [ 7660.306362][ T10] netlink_unicast+0x449/0x710 [ 7660.306362][ T10] netlink_sendmsg+0x723/0xbe0 [ 7660.306362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7660.306362][ T10] ___sys_sendmsg+0xee/0x170 [ 7660.306362][ T10] __sys_sendmsg+0xcd/0x170 [ 7660.306362][ T10] do_syscall_64+0xc6/0x1e0 [ 7660.306362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7660.306362][ T10] [ 7660.308541][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7660.308541][ T10] netdev_get_by_index+0x5e/0x80 [ 7660.308541][ T10] fib6_nh_init+0x3d8/0x1580 [ 7660.308541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7660.308541][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7660.308541][ T10] ipv6_add_addr+0x411/0x2000 [ 7660.308541][ T10] inet6_addr_add+0x30e/0xa40 [ 7660.308541][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7660.308541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7660.308541][ T10] netlink_rcv_skb+0x130/0x360 [ 7660.308541][ T10] netlink_unicast+0x449/0x710 [ 7660.308541][ T10] netlink_sendmsg+0x723/0xbe0 [ 7660.308541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7660.308541][ T10] ___sys_sendmsg+0xee/0x170 [ 7660.308541][ T10] __sys_sendmsg+0xcd/0x170 [ 7660.308541][ T10] do_syscall_64+0xc6/0x1e0 [ 7660.308541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7660.308541][ T10] [ 7660.310848][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7660.310848][ T10] netdev_get_by_index+0x5e/0x80 [ 7660.310848][ T10] fib6_nh_init+0x3d8/0x1580 [ 7660.310848][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7660.310848][ T10] ip6_route_add+0x1c/0x140 [ 7660.310848][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7660.310848][ T10] addrconf_add_dev+0xe2/0x170 [ 7660.310848][ T10] inet6_addr_add+0x12f/0xa40 [ 7660.310848][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7660.310848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7660.310848][ T10] netlink_rcv_skb+0x130/0x360 [ 7660.310848][ T10] netlink_unicast+0x449/0x710 [ 7660.310848][ T10] netlink_sendmsg+0x723/0xbe0 [ 7660.310848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7660.310848][ T10] ___sys_sendmsg+0xee/0x170 [ 7660.310848][ T10] __sys_sendmsg+0xcd/0x170 [ 7660.310848][ T10] do_syscall_64+0xc6/0x1e0 [ 7660.310848][ T10] [ 7660.313003][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7660.313003][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7660.313003][ T10] ipv6_find_idev+0x102/0x170 [ 7660.313003][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7660.313003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7660.313003][ T10] netlink_rcv_skb+0x130/0x360 [ 7660.313003][ T10] netlink_unicast+0x449/0x710 [ 7660.313003][ T10] netlink_sendmsg+0x723/0xbe0 [ 7660.313003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7660.313003][ T10] ___sys_sendmsg+0xee/0x170 [ 7660.313003][ T10] __sys_sendmsg+0xcd/0x170 [ 7660.313003][ T10] do_syscall_64+0xc6/0x1e0 [ 7660.313003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7660.313003][ T10] [ 7660.314724][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7660.314724][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7660.314724][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7660.314724][ T10] ipv6_find_idev+0x102/0x170 [ 7660.314724][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7660.314724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7660.314724][ T10] netlink_rcv_skb+0x130/0x360 [ 7660.314724][ T10] netlink_unicast+0x449/0x710 [ 7660.314724][ T10] netlink_sendmsg+0x723/0xbe0 [ 7660.314724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7660.314724][ T10] ___sys_sendmsg+0xee/0x170 [ 7660.314724][ T10] __sys_sendmsg+0xcd/0x170 [ 7660.314724][ T10] do_syscall_64+0xc6/0x1e0 [ 7660.314724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7660.314724][ T10] [ 7660.316643][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7660.316886][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7660.316886][ T10] netdev_get_by_index+0x5e/0x80 [ 7660.316886][ T10] fib6_nh_init+0x3d8/0x1580 [ 7660.316886][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7660.316886][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7660.316886][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7660.316886][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7660.316886][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7660.316886][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7660.316886][ T10] addrconf_dad_begin+0x310/0x670 [ 7660.316886][ T10] addrconf_dad_work+0x10b/0xab0 [ 7660.316886][ T10] process_one_work+0x84d/0x18a0 [ 7660.316886][ T10] worker_thread+0x587/0xd30 [ 7660.316886][ T10] kthread+0x28a/0x350 [ 7660.316886][ T10] ret_from_fork+0x31/0x70 [ 7660.316886][ T10] ret_from_fork_asm+0x1a/0x30 [ 7660.316886][ T10] [ 7660.319092][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7660.319092][ T10] netdev_get_by_index+0x5e/0x80 [ 7660.319092][ T10] fib6_nh_init+0x3d8/0x1580 [ 7660.319092][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7660.319092][ T10] ip6_route_add+0x1c/0x140 [ 7660.319092][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7660.319092][ T10] inet6_addr_add+0x4f8/0xa40 [ 7660.319092][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7660.319092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7660.319092][ T10] netlink_rcv_skb+0x130/0x360 [ 7660.319092][ T10] netlink_unicast+0x449/0x710 [ 7660.319092][ T10] netlink_sendmsg+0x723/0xbe0 [ 7660.319092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7660.319092][ T10] ___sys_sendmsg+0xee/0x170 [ 7660.319092][ T10] __sys_sendmsg+0xcd/0x170 [ 7660.319092][ T10] do_syscall_64+0xc6/0x1e0 [ 7660.319092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7660.319092][ T10] [ 7660.321261][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7660.321261][ T10] netdev_get_by_index+0x5e/0x80 [ 7660.321261][ T10] fib6_nh_init+0x3d8/0x1580 [ 7660.321261][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7660.321261][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7660.321261][ T10] ipv6_add_addr+0x411/0x2000 [ 7660.321261][ T10] inet6_addr_add+0x30e/0xa40 [ 7660.321261][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7660.321261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7660.321261][ T10] netlink_rcv_skb+0x130/0x360 [ 7660.321261][ T10] netlink_unicast+0x449/0x710 [ 7660.321261][ T10] netlink_sendmsg+0x723/0xbe0 [ 7660.321261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7660.321261][ T10] ___sys_sendmsg+0xee/0x170 [ 7660.321261][ T10] __sys_sendmsg+0xcd/0x170 [ 7660.321261][ T10] do_syscall_64+0xc6/0x1e0 [ 7660.321261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7660.321261][ T10] [ 7660.323503][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7660.323503][ T10] netdev_get_by_index+0x5e/0x80 [ 7660.323503][ T10] fib6_nh_init+0x3d8/0x1580 [ 7660.323503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7660.323503][ T10] ip6_route_add+0x1c/0x140 [ 7660.323503][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7660.323503][ T10] addrconf_add_dev+0xe2/0x170 [ 7660.323503][ T10] inet6_addr_add+0x12f/0xa40 [ 7660.323503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7660.323503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7660.323503][ T10] netlink_rcv_skb+0x130/0x360 [ 7660.323503][ T10] netlink_unicast+0x449/0x710 [ 7660.323503][ T10] netlink_sendmsg+0x723/0xbe0 [ 7660.323503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7660.323503][ T10] ___sys_sendmsg+0xee/0x170 [ 7660.323503][ T10] __sys_sendmsg+0xcd/0x170 [ 7660.323503][ T10] do_syscall_64+0xc6/0x1e0 [ 7660.323503][ T10] [ 7660.325709][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7660.325709][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7660.325709][ T10] ipv6_find_idev+0x102/0x170 [ 7660.325709][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7660.325709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7660.325709][ T10] netlink_rcv_skb+0x130/0x360 [ 7660.325709][ T10] netlink_unicast+0x449/0x710 [ 7660.325709][ T10] netlink_sendmsg+0x723/0xbe0 [ 7660.325709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7660.325709][ T10] ___sys_sendmsg+0xee/0x170 [ 7660.325709][ T10] __sys_sendmsg+0xcd/0x170 [ 7660.325709][ T10] do_syscall_64+0xc6/0x1e0 [ 7660.325709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7660.325709][ T10] [ 7660.327428][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7660.327428][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7660.327428][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7660.327428][ T10] ipv6_find_idev+0x102/0x170 [ 7660.327428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7660.327428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7660.327428][ T10] netlink_rcv_skb+0x130/0x360 [ 7660.327428][ T10] netlink_unicast+0x449/0x710 [ 7660.327428][ T10] netlink_sendmsg+0x723/0xbe0 [ 7660.327428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7660.327428][ T10] ___sys_sendmsg+0xee/0x170 [ 7660.327428][ T10] __sys_sendmsg+0xcd/0x170 [ 7660.327428][ T10] do_syscall_64+0xc6/0x1e0 [ 7660.327428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7660.327428][ T10] [ 7662.025155][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7662.025576][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7662.025576][ T1167] dst_init+0x84/0x4a0 [ 7662.025576][ T1167] dst_alloc+0x97/0x150 [ 7662.025576][ T1167] ip6_dst_alloc+0x23/0x90 [ 7662.025576][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7662.025576][ T1167] ip6_pol_route+0x56f/0x840 [ 7662.025576][ T1167] fib6_rule_lookup+0x334/0x630 [ 7662.025576][ T1167] ip6_route_output_flags+0x259/0x480 [ 7662.025576][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7662.025576][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7662.025576][ T1167] netlink_rcv_skb+0x130/0x360 [ 7662.025576][ T1167] netlink_unicast+0x449/0x710 [ 7662.025576][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7662.025576][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7662.025576][ T1167] ___sys_sendmsg+0xee/0x170 [ 7662.025576][ T1167] __sys_sendmsg+0xcd/0x170 [ 7662.025576][ T1167] do_syscall_64+0xc6/0x1e0 [ 7662.025576][ T1167] [ 7662.027775][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7662.027775][ T1167] netdev_get_by_index+0x5e/0x80 [ 7662.027775][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7662.027775][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7662.027775][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7662.027775][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7662.027775][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7662.027775][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7662.027775][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7662.027775][ T1167] addrconf_dad_begin+0x310/0x670 [ 7662.027775][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7662.027775][ T1167] process_one_work+0x84d/0x18a0 [ 7662.027775][ T1167] worker_thread+0x587/0xd30 [ 7662.027775][ T1167] kthread+0x28a/0x350 [ 7662.027775][ T1167] ret_from_fork+0x31/0x70 [ 7662.027775][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7662.027775][ T1167] [ 7662.029912][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7662.029912][ T1167] netdev_get_by_index+0x5e/0x80 [ 7662.029912][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7662.029912][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7662.029912][ T1167] ip6_route_add+0x1c/0x140 [ 7662.029912][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7662.029912][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7662.029912][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7662.029912][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7662.029912][ T1167] netlink_rcv_skb+0x130/0x360 [ 7662.029912][ T1167] netlink_unicast+0x449/0x710 [ 7662.029912][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7662.029912][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7662.029912][ T1167] ___sys_sendmsg+0xee/0x170 [ 7662.029912][ T1167] __sys_sendmsg+0xcd/0x170 [ 7662.029912][ T1167] do_syscall_64+0xc6/0x1e0 [ 7662.029912][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7662.029912][ T1167] [ 7662.032164][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7662.032164][ T1167] netdev_get_by_index+0x5e/0x80 [ 7662.032164][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7662.032164][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7662.032164][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7662.032164][ T1167] ipv6_add_addr+0x411/0x2000 [ 7662.032164][ T1167] inet6_addr_add+0x30e/0xa40 [ 7662.032164][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7662.032164][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7662.032164][ T1167] netlink_rcv_skb+0x130/0x360 [ 7662.032164][ T1167] netlink_unicast+0x449/0x710 [ 7662.032164][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7662.032164][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7662.032164][ T1167] ___sys_sendmsg+0xee/0x170 [ 7662.032164][ T1167] __sys_sendmsg+0xcd/0x170 [ 7662.032164][ T1167] do_syscall_64+0xc6/0x1e0 [ 7662.032164][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7662.032164][ T1167] [ 7662.034396][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7662.034396][ T1167] netdev_get_by_index+0x5e/0x80 [ 7662.034396][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7662.034396][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7662.034396][ T1167] ip6_route_add+0x1c/0x140 [ 7662.034396][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7662.034396][ T1167] addrconf_add_dev+0xe2/0x170 [ 7662.034396][ T1167] inet6_addr_add+0x12f/0xa40 [ 7662.034396][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7662.034396][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7662.034396][ T1167] netlink_rcv_skb+0x130/0x360 [ 7662.034396][ T1167] netlink_unicast+0x449/0x710 [ 7662.034396][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7662.034396][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7662.034396][ T1167] ___sys_sendmsg+0xee/0x170 [ 7662.034396][ T1167] __sys_sendmsg+0xcd/0x170 [ 7662.034396][ T1167] do_syscall_64+0xc6/0x1e0 [ 7662.034396][ T1167] [ 7662.036580][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7662.036580][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7662.036580][ T1167] ipv6_find_idev+0x102/0x170 [ 7662.036580][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7662.036580][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7662.036580][ T1167] netlink_rcv_skb+0x130/0x360 [ 7662.036580][ T1167] netlink_unicast+0x449/0x710 [ 7662.036580][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7662.036580][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7662.036580][ T1167] ___sys_sendmsg+0xee/0x170 [ 7662.036580][ T1167] __sys_sendmsg+0xcd/0x170 [ 7662.036580][ T1167] do_syscall_64+0xc6/0x1e0 [ 7662.036580][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7662.036580][ T1167] [ 7662.038302][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7662.038302][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7662.038302][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7662.038302][ T1167] ipv6_find_idev+0x102/0x170 [ 7662.038302][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7662.038302][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7662.038302][ T1167] netlink_rcv_skb+0x130/0x360 [ 7662.038302][ T1167] netlink_unicast+0x449/0x710 [ 7662.038302][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7662.038302][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7662.038302][ T1167] ___sys_sendmsg+0xee/0x170 [ 7662.038302][ T1167] __sys_sendmsg+0xcd/0x170 [ 7662.038302][ T1167] do_syscall_64+0xc6/0x1e0 [ 7662.038302][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7662.038302][ T1167] [ 7670.561075][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7670.561531][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7670.561531][ T10] netdev_get_by_index+0x5e/0x80 [ 7670.561531][ T10] fib6_nh_init+0x3d8/0x1580 [ 7670.561531][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7670.561531][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7670.561531][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7670.561531][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7670.561531][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7670.561531][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7670.561531][ T10] addrconf_dad_begin+0x310/0x670 [ 7670.561531][ T10] addrconf_dad_work+0x10b/0xab0 [ 7670.561531][ T10] process_one_work+0x84d/0x18a0 [ 7670.561531][ T10] worker_thread+0x587/0xd30 [ 7670.561531][ T10] kthread+0x28a/0x350 [ 7670.561531][ T10] ret_from_fork+0x31/0x70 [ 7670.561531][ T10] ret_from_fork_asm+0x1a/0x30 [ 7670.561531][ T10] [ 7670.563495][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7670.563495][ T10] netdev_get_by_index+0x5e/0x80 [ 7670.563495][ T10] fib6_nh_init+0x3d8/0x1580 [ 7670.563495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7670.563495][ T10] ip6_route_add+0x1c/0x140 [ 7670.563495][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7670.563495][ T10] inet6_addr_add+0x4f8/0xa40 [ 7670.563495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7670.563495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7670.563495][ T10] netlink_rcv_skb+0x130/0x360 [ 7670.563495][ T10] netlink_unicast+0x449/0x710 [ 7670.563495][ T10] netlink_sendmsg+0x723/0xbe0 [ 7670.563495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7670.563495][ T10] ___sys_sendmsg+0xee/0x170 [ 7670.563495][ T10] __sys_sendmsg+0xcd/0x170 [ 7670.563495][ T10] do_syscall_64+0xc6/0x1e0 [ 7670.563495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7670.563495][ T10] [ 7670.565511][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7670.565511][ T10] netdev_get_by_index+0x5e/0x80 [ 7670.565511][ T10] fib6_nh_init+0x3d8/0x1580 [ 7670.565511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7670.565511][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7670.565511][ T10] ipv6_add_addr+0x411/0x2000 [ 7670.565511][ T10] inet6_addr_add+0x30e/0xa40 [ 7670.565511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7670.565511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7670.565511][ T10] netlink_rcv_skb+0x130/0x360 [ 7670.565511][ T10] netlink_unicast+0x449/0x710 [ 7670.565511][ T10] netlink_sendmsg+0x723/0xbe0 [ 7670.565511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7670.565511][ T10] ___sys_sendmsg+0xee/0x170 [ 7670.565511][ T10] __sys_sendmsg+0xcd/0x170 [ 7670.565511][ T10] do_syscall_64+0xc6/0x1e0 [ 7670.565511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7670.565511][ T10] [ 7670.567517][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7670.567517][ T10] netdev_get_by_index+0x5e/0x80 [ 7670.567517][ T10] fib6_nh_init+0x3d8/0x1580 [ 7670.567517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7670.567517][ T10] ip6_route_add+0x1c/0x140 [ 7670.567517][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7670.567517][ T10] addrconf_add_dev+0xe2/0x170 [ 7670.567517][ T10] inet6_addr_add+0x12f/0xa40 [ 7670.567517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7670.567517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7670.567517][ T10] netlink_rcv_skb+0x130/0x360 [ 7670.567517][ T10] netlink_unicast+0x449/0x710 [ 7670.567517][ T10] netlink_sendmsg+0x723/0xbe0 [ 7670.567517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7670.567517][ T10] ___sys_sendmsg+0xee/0x170 [ 7670.567517][ T10] __sys_sendmsg+0xcd/0x170 [ 7670.567517][ T10] do_syscall_64+0xc6/0x1e0 [ 7670.567517][ T10] [ 7670.569492][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7670.569492][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7670.569492][ T10] ipv6_find_idev+0x102/0x170 [ 7670.569492][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7670.569492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7670.569492][ T10] netlink_rcv_skb+0x130/0x360 [ 7670.569492][ T10] netlink_unicast+0x449/0x710 [ 7670.569492][ T10] netlink_sendmsg+0x723/0xbe0 [ 7670.569492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7670.569492][ T10] ___sys_sendmsg+0xee/0x170 [ 7670.569492][ T10] __sys_sendmsg+0xcd/0x170 [ 7670.569492][ T10] do_syscall_64+0xc6/0x1e0 [ 7670.569492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7670.569492][ T10] [ 7670.571029][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7670.571029][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7670.571029][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7670.571029][ T10] ipv6_find_idev+0x102/0x170 [ 7670.571029][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7670.571029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7670.571029][ T10] netlink_rcv_skb+0x130/0x360 [ 7670.571029][ T10] netlink_unicast+0x449/0x710 [ 7670.571029][ T10] netlink_sendmsg+0x723/0xbe0 [ 7670.571029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7670.571029][ T10] ___sys_sendmsg+0xee/0x170 [ 7670.571029][ T10] __sys_sendmsg+0xcd/0x170 [ 7670.571029][ T10] do_syscall_64+0xc6/0x1e0 [ 7670.571029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7670.571029][ T10] [ 7670.572747][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7670.573000][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7670.573000][ T10] netdev_get_by_index+0x5e/0x80 [ 7670.573000][ T10] fib6_nh_init+0x3d8/0x1580 [ 7670.573000][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7670.573000][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7670.573000][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7670.573000][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7670.573000][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7670.573000][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7670.573000][ T10] addrconf_dad_begin+0x310/0x670 [ 7670.573000][ T10] addrconf_dad_work+0x10b/0xab0 [ 7670.573000][ T10] process_one_work+0x84d/0x18a0 [ 7670.573000][ T10] worker_thread+0x587/0xd30 [ 7670.573000][ T10] kthread+0x28a/0x350 [ 7670.573000][ T10] ret_from_fork+0x31/0x70 [ 7670.573000][ T10] ret_from_fork_asm+0x1a/0x30 [ 7670.573000][ T10] [ 7670.574936][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7670.574936][ T10] netdev_get_by_index+0x5e/0x80 [ 7670.574936][ T10] fib6_nh_init+0x3d8/0x1580 [ 7670.574936][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7670.574936][ T10] ip6_route_add+0x1c/0x140 [ 7670.574936][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7670.574936][ T10] inet6_addr_add+0x4f8/0xa40 [ 7670.574936][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7670.574936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7670.574936][ T10] netlink_rcv_skb+0x130/0x360 [ 7670.574936][ T10] netlink_unicast+0x449/0x710 [ 7670.574936][ T10] netlink_sendmsg+0x723/0xbe0 [ 7670.574936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7670.574936][ T10] ___sys_sendmsg+0xee/0x170 [ 7670.574936][ T10] __sys_sendmsg+0xcd/0x170 [ 7670.574936][ T10] do_syscall_64+0xc6/0x1e0 [ 7670.574936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7670.574936][ T10] [ 7670.576938][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7670.576938][ T10] netdev_get_by_index+0x5e/0x80 [ 7670.576938][ T10] fib6_nh_init+0x3d8/0x1580 [ 7670.576938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7670.576938][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7670.576938][ T10] ipv6_add_addr+0x411/0x2000 [ 7670.576938][ T10] inet6_addr_add+0x30e/0xa40 [ 7670.576938][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7670.576938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7670.576938][ T10] netlink_rcv_skb+0x130/0x360 [ 7670.576938][ T10] netlink_unicast+0x449/0x710 [ 7670.576938][ T10] netlink_sendmsg+0x723/0xbe0 [ 7670.576938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7670.576938][ T10] ___sys_sendmsg+0xee/0x170 [ 7670.576938][ T10] __sys_sendmsg+0xcd/0x170 [ 7670.576938][ T10] do_syscall_64+0xc6/0x1e0 [ 7670.576938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7670.576938][ T10] [ 7670.578938][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7670.578938][ T10] netdev_get_by_index+0x5e/0x80 [ 7670.578938][ T10] fib6_nh_init+0x3d8/0x1580 [ 7670.578938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7670.578938][ T10] ip6_route_add+0x1c/0x140 [ 7670.578938][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7670.578938][ T10] addrconf_add_dev+0xe2/0x170 [ 7670.578938][ T10] inet6_addr_add+0x12f/0xa40 [ 7670.578938][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7670.578938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7670.578938][ T10] netlink_rcv_skb+0x130/0x360 [ 7670.578938][ T10] netlink_unicast+0x449/0x710 [ 7670.578938][ T10] netlink_sendmsg+0x723/0xbe0 [ 7670.578938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7670.578938][ T10] ___sys_sendmsg+0xee/0x170 [ 7670.578938][ T10] __sys_sendmsg+0xcd/0x170 [ 7670.578938][ T10] do_syscall_64+0xc6/0x1e0 [ 7670.578938][ T10] [ 7670.580909][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7670.580909][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7670.580909][ T10] ipv6_find_idev+0x102/0x170 [ 7670.580909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7670.580909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7670.580909][ T10] netlink_rcv_skb+0x130/0x360 [ 7670.580909][ T10] netlink_unicast+0x449/0x710 [ 7670.580909][ T10] netlink_sendmsg+0x723/0xbe0 [ 7670.580909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7670.580909][ T10] ___sys_sendmsg+0xee/0x170 [ 7670.580909][ T10] __sys_sendmsg+0xcd/0x170 [ 7670.580909][ T10] do_syscall_64+0xc6/0x1e0 [ 7670.580909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7670.580909][ T10] [ 7670.582453][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7670.582453][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7670.582453][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7670.582453][ T10] ipv6_find_idev+0x102/0x170 [ 7670.582453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7670.582453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7670.582453][ T10] netlink_rcv_skb+0x130/0x360 [ 7670.582453][ T10] netlink_unicast+0x449/0x710 [ 7670.582453][ T10] netlink_sendmsg+0x723/0xbe0 [ 7670.582453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7670.582453][ T10] ___sys_sendmsg+0xee/0x170 [ 7670.582453][ T10] __sys_sendmsg+0xcd/0x170 [ 7670.582453][ T10] do_syscall_64+0xc6/0x1e0 [ 7670.582453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7670.582453][ T10] [ 7670.584160][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7670.584399][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7670.584399][ T10] netdev_get_by_index+0x5e/0x80 [ 7670.584399][ T10] fib6_nh_init+0x3d8/0x1580 [ 7670.584399][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7670.584399][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7670.584399][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7670.584399][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7670.584399][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7670.584399][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7670.584399][ T10] addrconf_dad_begin+0x310/0x670 [ 7670.584399][ T10] addrconf_dad_work+0x10b/0xab0 [ 7670.584399][ T10] process_one_work+0x84d/0x18a0 [ 7670.584399][ T10] worker_thread+0x587/0xd30 [ 7670.584399][ T10] kthread+0x28a/0x350 [ 7670.584399][ T10] ret_from_fork+0x31/0x70 [ 7670.584399][ T10] ret_from_fork_asm+0x1a/0x30 [ 7670.584399][ T10] [ 7670.586325][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7670.586325][ T10] netdev_get_by_index+0x5e/0x80 [ 7670.586325][ T10] fib6_nh_init+0x3d8/0x1580 [ 7670.586325][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7670.586325][ T10] ip6_route_add+0x1c/0x140 [ 7670.586325][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7670.586325][ T10] inet6_addr_add+0x4f8/0xa40 [ 7670.586325][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7670.586325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7670.586325][ T10] netlink_rcv_skb+0x130/0x360 [ 7670.586325][ T10] netlink_unicast+0x449/0x710 [ 7670.586325][ T10] netlink_sendmsg+0x723/0xbe0 [ 7670.586325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7670.586325][ T10] ___sys_sendmsg+0xee/0x170 [ 7670.586325][ T10] __sys_sendmsg+0xcd/0x170 [ 7670.586325][ T10] do_syscall_64+0xc6/0x1e0 [ 7670.586325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7670.586325][ T10] [ 7670.588535][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7670.588535][ T10] netdev_get_by_index+0x5e/0x80 [ 7670.588535][ T10] fib6_nh_init+0x3d8/0x1580 [ 7670.588535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7670.588535][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7670.588535][ T10] ipv6_add_addr+0x411/0x2000 [ 7670.588535][ T10] inet6_addr_add+0x30e/0xa40 [ 7670.588535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7670.588535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7670.588535][ T10] netlink_rcv_skb+0x130/0x360 [ 7670.588535][ T10] netlink_unicast+0x449/0x710 [ 7670.588535][ T10] netlink_sendmsg+0x723/0xbe0 [ 7670.588535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7670.588535][ T10] ___sys_sendmsg+0xee/0x170 [ 7670.588535][ T10] __sys_sendmsg+0xcd/0x170 [ 7670.588535][ T10] do_syscall_64+0xc6/0x1e0 [ 7670.588535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7670.588535][ T10] [ 7670.591367][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7670.591367][ T10] netdev_get_by_index+0x5e/0x80 [ 7670.591367][ T10] fib6_nh_init+0x3d8/0x1580 [ 7670.591367][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7670.591367][ T10] ip6_route_add+0x1c/0x140 [ 7670.591367][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7670.591367][ T10] addrconf_add_dev+0xe2/0x170 [ 7670.591367][ T10] inet6_addr_add+0x12f/0xa40 [ 7670.591367][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7670.591367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7670.591367][ T10] netlink_rcv_skb+0x130/0x360 [ 7670.591367][ T10] netlink_unicast+0x449/0x710 [ 7670.591367][ T10] netlink_sendmsg+0x723/0xbe0 [ 7670.591367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7670.591367][ T10] ___sys_sendmsg+0xee/0x170 [ 7670.591367][ T10] __sys_sendmsg+0xcd/0x170 [ 7670.591367][ T10] do_syscall_64+0xc6/0x1e0 [ 7670.591367][ T10] [ 7670.593526][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7670.593526][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7670.593526][ T10] ipv6_find_idev+0x102/0x170 [ 7670.593526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7670.593526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7670.593526][ T10] netlink_rcv_skb+0x130/0x360 [ 7670.593526][ T10] netlink_unicast+0x449/0x710 [ 7670.593526][ T10] netlink_sendmsg+0x723/0xbe0 [ 7670.593526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7670.593526][ T10] ___sys_sendmsg+0xee/0x170 [ 7670.593526][ T10] __sys_sendmsg+0xcd/0x170 [ 7670.593526][ T10] do_syscall_64+0xc6/0x1e0 [ 7670.593526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7670.593526][ T10] [ 7670.595250][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7670.595250][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7670.595250][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7670.595250][ T10] ipv6_find_idev+0x102/0x170 [ 7670.595250][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7670.595250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7670.595250][ T10] netlink_rcv_skb+0x130/0x360 [ 7670.595250][ T10] netlink_unicast+0x449/0x710 [ 7670.595250][ T10] netlink_sendmsg+0x723/0xbe0 [ 7670.595250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7670.595250][ T10] ___sys_sendmsg+0xee/0x170 [ 7670.595250][ T10] __sys_sendmsg+0xcd/0x170 [ 7670.595250][ T10] do_syscall_64+0xc6/0x1e0 [ 7670.595250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7670.595250][ T10] [ 7670.597189][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7670.597438][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7670.597438][ T10] netdev_get_by_index+0x5e/0x80 [ 7670.597438][ T10] fib6_nh_init+0x3d8/0x1580 [ 7670.597438][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7670.597438][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7670.597438][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7670.597438][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7670.597438][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7670.597438][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7670.597438][ T10] addrconf_dad_begin+0x310/0x670 [ 7670.597438][ T10] addrconf_dad_work+0x10b/0xab0 [ 7670.597438][ T10] process_one_work+0x84d/0x18a0 [ 7670.597438][ T10] worker_thread+0x587/0xd30 [ 7670.597438][ T10] kthread+0x28a/0x350 [ 7670.597438][ T10] ret_from_fork+0x31/0x70 [ 7670.597438][ T10] ret_from_fork_asm+0x1a/0x30 [ 7670.597438][ T10] [ 7670.599653][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7670.599653][ T10] netdev_get_by_index+0x5e/0x80 [ 7670.599653][ T10] fib6_nh_init+0x3d8/0x1580 [ 7670.599653][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7670.599653][ T10] ip6_route_add+0x1c/0x140 [ 7670.599653][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7670.599653][ T10] inet6_addr_add+0x4f8/0xa40 [ 7670.599653][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7670.599653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7670.599653][ T10] netlink_rcv_skb+0x130/0x360 [ 7670.599653][ T10] netlink_unicast+0x449/0x710 [ 7670.599653][ T10] netlink_sendmsg+0x723/0xbe0 [ 7670.599653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7670.599653][ T10] ___sys_sendmsg+0xee/0x170 [ 7670.599653][ T10] __sys_sendmsg+0xcd/0x170 [ 7670.599653][ T10] do_syscall_64+0xc6/0x1e0 [ 7670.599653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7670.599653][ T10] [ 7670.601837][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7670.601837][ T10] netdev_get_by_index+0x5e/0x80 [ 7670.601837][ T10] fib6_nh_init+0x3d8/0x1580 [ 7670.601837][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7670.601837][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7670.601837][ T10] ipv6_add_addr+0x411/0x2000 [ 7670.601837][ T10] inet6_addr_add+0x30e/0xa40 [ 7670.601837][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7670.601837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7670.601837][ T10] netlink_rcv_skb+0x130/0x360 [ 7670.601837][ T10] netlink_unicast+0x449/0x710 [ 7670.601837][ T10] netlink_sendmsg+0x723/0xbe0 [ 7670.601837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7670.601837][ T10] ___sys_sendmsg+0xee/0x170 [ 7670.601837][ T10] __sys_sendmsg+0xcd/0x170 [ 7670.601837][ T10] do_syscall_64+0xc6/0x1e0 [ 7670.601837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7670.601837][ T10] [ 7670.604078][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7670.604078][ T10] netdev_get_by_index+0x5e/0x80 [ 7670.604078][ T10] fib6_nh_init+0x3d8/0x1580 [ 7670.604078][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7670.604078][ T10] ip6_route_add+0x1c/0x140 [ 7670.604078][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7670.604078][ T10] addrconf_add_dev+0xe2/0x170 [ 7670.604078][ T10] inet6_addr_add+0x12f/0xa40 [ 7670.604078][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7670.604078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7670.604078][ T10] netlink_rcv_skb+0x130/0x360 [ 7670.604078][ T10] netlink_unicast+0x449/0x710 [ 7670.604078][ T10] netlink_sendmsg+0x723/0xbe0 [ 7670.604078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7670.604078][ T10] ___sys_sendmsg+0xee/0x170 [ 7670.604078][ T10] __sys_sendmsg+0xcd/0x170 [ 7670.604078][ T10] do_syscall_64+0xc6/0x1e0 [ 7670.604078][ T10] [ 7670.606294][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7670.606294][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7670.606294][ T10] ipv6_find_idev+0x102/0x170 [ 7670.606294][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7670.606294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7670.606294][ T10] netlink_rcv_skb+0x130/0x360 [ 7670.606294][ T10] netlink_unicast+0x449/0x710 [ 7670.606294][ T10] netlink_sendmsg+0x723/0xbe0 [ 7670.606294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7670.606294][ T10] ___sys_sendmsg+0xee/0x170 [ 7670.606294][ T10] __sys_sendmsg+0xcd/0x170 [ 7670.606294][ T10] do_syscall_64+0xc6/0x1e0 [ 7670.606294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7670.606294][ T10] [ 7670.608036][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7670.608036][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7670.608036][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7670.608036][ T10] ipv6_find_idev+0x102/0x170 [ 7670.608036][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7670.608036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7670.608036][ T10] netlink_rcv_skb+0x130/0x360 [ 7670.608036][ T10] netlink_unicast+0x449/0x710 [ 7670.608036][ T10] netlink_sendmsg+0x723/0xbe0 [ 7670.608036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7670.608036][ T10] ___sys_sendmsg+0xee/0x170 [ 7670.608036][ T10] __sys_sendmsg+0xcd/0x170 [ 7670.608036][ T10] do_syscall_64+0xc6/0x1e0 [ 7670.608036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7670.608036][ T10] [ 7672.097136][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7672.097637][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7672.097637][ T1167] dst_init+0x84/0x4a0 [ 7672.097637][ T1167] dst_alloc+0x97/0x150 [ 7672.097637][ T1167] ip6_dst_alloc+0x23/0x90 [ 7672.097637][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7672.097637][ T1167] ip6_pol_route+0x56f/0x840 [ 7672.097637][ T1167] fib6_rule_lookup+0x334/0x630 [ 7672.097637][ T1167] ip6_route_output_flags+0x259/0x480 [ 7672.097637][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7672.097637][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7672.097637][ T1167] netlink_rcv_skb+0x130/0x360 [ 7672.097637][ T1167] netlink_unicast+0x449/0x710 [ 7672.097637][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7672.097637][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7672.097637][ T1167] ___sys_sendmsg+0xee/0x170 [ 7672.097637][ T1167] __sys_sendmsg+0xcd/0x170 [ 7672.097637][ T1167] do_syscall_64+0xc6/0x1e0 [ 7672.097637][ T1167] [ 7672.099832][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7672.099832][ T1167] netdev_get_by_index+0x5e/0x80 [ 7672.099832][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7672.099832][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7672.099832][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7672.099832][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7672.099832][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7672.099832][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7672.099832][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7672.099832][ T1167] addrconf_dad_begin+0x310/0x670 [ 7672.099832][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7672.099832][ T1167] process_one_work+0x84d/0x18a0 [ 7672.099832][ T1167] worker_thread+0x587/0xd30 [ 7672.099832][ T1167] kthread+0x28a/0x350 [ 7672.099832][ T1167] ret_from_fork+0x31/0x70 [ 7672.099832][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7672.099832][ T1167] [ 7672.101975][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7672.101975][ T1167] netdev_get_by_index+0x5e/0x80 [ 7672.101975][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7672.101975][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7672.101975][ T1167] ip6_route_add+0x1c/0x140 [ 7672.101975][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7672.101975][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7672.101975][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7672.101975][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7672.101975][ T1167] netlink_rcv_skb+0x130/0x360 [ 7672.101975][ T1167] netlink_unicast+0x449/0x710 [ 7672.101975][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7672.101975][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7672.101975][ T1167] ___sys_sendmsg+0xee/0x170 [ 7672.101975][ T1167] __sys_sendmsg+0xcd/0x170 [ 7672.101975][ T1167] do_syscall_64+0xc6/0x1e0 [ 7672.101975][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7672.101975][ T1167] [ 7672.104221][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7672.104221][ T1167] netdev_get_by_index+0x5e/0x80 [ 7672.104221][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7672.104221][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7672.104221][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7672.104221][ T1167] ipv6_add_addr+0x411/0x2000 [ 7672.104221][ T1167] inet6_addr_add+0x30e/0xa40 [ 7672.104221][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7672.104221][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7672.104221][ T1167] netlink_rcv_skb+0x130/0x360 [ 7672.104221][ T1167] netlink_unicast+0x449/0x710 [ 7672.104221][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7672.104221][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7672.104221][ T1167] ___sys_sendmsg+0xee/0x170 [ 7672.104221][ T1167] __sys_sendmsg+0xcd/0x170 [ 7672.104221][ T1167] do_syscall_64+0xc6/0x1e0 [ 7672.104221][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7672.104221][ T1167] [ 7672.106449][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7672.106449][ T1167] netdev_get_by_index+0x5e/0x80 [ 7672.106449][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7672.106449][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7672.106449][ T1167] ip6_route_add+0x1c/0x140 [ 7672.106449][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7672.106449][ T1167] addrconf_add_dev+0xe2/0x170 [ 7672.106449][ T1167] inet6_addr_add+0x12f/0xa40 [ 7672.106449][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7672.106449][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7672.106449][ T1167] netlink_rcv_skb+0x130/0x360 [ 7672.106449][ T1167] netlink_unicast+0x449/0x710 [ 7672.106449][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7672.106449][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7672.106449][ T1167] ___sys_sendmsg+0xee/0x170 [ 7672.106449][ T1167] __sys_sendmsg+0xcd/0x170 [ 7672.106449][ T1167] do_syscall_64+0xc6/0x1e0 [ 7672.106449][ T1167] [ 7672.108639][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7672.108639][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7672.108639][ T1167] ipv6_find_idev+0x102/0x170 [ 7672.108639][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7672.108639][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7672.108639][ T1167] netlink_rcv_skb+0x130/0x360 [ 7672.108639][ T1167] netlink_unicast+0x449/0x710 [ 7672.108639][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7672.108639][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7672.108639][ T1167] ___sys_sendmsg+0xee/0x170 [ 7672.108639][ T1167] __sys_sendmsg+0xcd/0x170 [ 7672.108639][ T1167] do_syscall_64+0xc6/0x1e0 [ 7672.108639][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7672.108639][ T1167] [ 7672.110352][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7672.110352][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7672.110352][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7672.110352][ T1167] ipv6_find_idev+0x102/0x170 [ 7672.110352][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7672.110352][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7672.110352][ T1167] netlink_rcv_skb+0x130/0x360 [ 7672.110352][ T1167] netlink_unicast+0x449/0x710 [ 7672.110352][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7672.110352][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7672.110352][ T1167] ___sys_sendmsg+0xee/0x170 [ 7672.110352][ T1167] __sys_sendmsg+0xcd/0x170 [ 7672.110352][ T1167] do_syscall_64+0xc6/0x1e0 [ 7672.110352][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7672.110352][ T1167] [ 7680.849055][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7680.849433][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7680.849433][ T10] netdev_get_by_index+0x5e/0x80 [ 7680.849433][ T10] fib6_nh_init+0x3d8/0x1580 [ 7680.849433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7680.849433][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7680.849433][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7680.849433][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7680.849433][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7680.849433][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7680.849433][ T10] addrconf_dad_begin+0x310/0x670 [ 7680.849433][ T10] addrconf_dad_work+0x10b/0xab0 [ 7680.849433][ T10] process_one_work+0x84d/0x18a0 [ 7680.849433][ T10] worker_thread+0x587/0xd30 [ 7680.849433][ T10] kthread+0x28a/0x350 [ 7680.849433][ T10] ret_from_fork+0x31/0x70 [ 7680.849433][ T10] ret_from_fork_asm+0x1a/0x30 [ 7680.849433][ T10] [ 7680.851370][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7680.851370][ T10] netdev_get_by_index+0x5e/0x80 [ 7680.851370][ T10] fib6_nh_init+0x3d8/0x1580 [ 7680.851370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7680.851370][ T10] ip6_route_add+0x1c/0x140 [ 7680.851370][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7680.851370][ T10] inet6_addr_add+0x4f8/0xa40 [ 7680.851370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7680.851370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7680.851370][ T10] netlink_rcv_skb+0x130/0x360 [ 7680.851370][ T10] netlink_unicast+0x449/0x710 [ 7680.851370][ T10] netlink_sendmsg+0x723/0xbe0 [ 7680.851370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7680.851370][ T10] ___sys_sendmsg+0xee/0x170 [ 7680.851370][ T10] __sys_sendmsg+0xcd/0x170 [ 7680.851370][ T10] do_syscall_64+0xc6/0x1e0 [ 7680.851370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7680.851370][ T10] [ 7680.853395][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7680.853395][ T10] netdev_get_by_index+0x5e/0x80 [ 7680.853395][ T10] fib6_nh_init+0x3d8/0x1580 [ 7680.853395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7680.853395][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7680.853395][ T10] ipv6_add_addr+0x411/0x2000 [ 7680.853395][ T10] inet6_addr_add+0x30e/0xa40 [ 7680.853395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7680.853395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7680.853395][ T10] netlink_rcv_skb+0x130/0x360 [ 7680.853395][ T10] netlink_unicast+0x449/0x710 [ 7680.853395][ T10] netlink_sendmsg+0x723/0xbe0 [ 7680.853395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7680.853395][ T10] ___sys_sendmsg+0xee/0x170 [ 7680.853395][ T10] __sys_sendmsg+0xcd/0x170 [ 7680.853395][ T10] do_syscall_64+0xc6/0x1e0 [ 7680.853395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7680.853395][ T10] [ 7680.855389][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7680.855389][ T10] netdev_get_by_index+0x5e/0x80 [ 7680.855389][ T10] fib6_nh_init+0x3d8/0x1580 [ 7680.855389][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7680.855389][ T10] ip6_route_add+0x1c/0x140 [ 7680.855389][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7680.855389][ T10] addrconf_add_dev+0xe2/0x170 [ 7680.855389][ T10] inet6_addr_add+0x12f/0xa40 [ 7680.855389][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7680.855389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7680.855389][ T10] netlink_rcv_skb+0x130/0x360 [ 7680.855389][ T10] netlink_unicast+0x449/0x710 [ 7680.855389][ T10] netlink_sendmsg+0x723/0xbe0 [ 7680.855389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7680.855389][ T10] ___sys_sendmsg+0xee/0x170 [ 7680.855389][ T10] __sys_sendmsg+0xcd/0x170 [ 7680.855389][ T10] do_syscall_64+0xc6/0x1e0 [ 7680.855389][ T10] [ 7680.857356][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7680.857356][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7680.857356][ T10] ipv6_find_idev+0x102/0x170 [ 7680.857356][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7680.857356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7680.857356][ T10] netlink_rcv_skb+0x130/0x360 [ 7680.857356][ T10] netlink_unicast+0x449/0x710 [ 7680.857356][ T10] netlink_sendmsg+0x723/0xbe0 [ 7680.857356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7680.857356][ T10] ___sys_sendmsg+0xee/0x170 [ 7680.857356][ T10] __sys_sendmsg+0xcd/0x170 [ 7680.857356][ T10] do_syscall_64+0xc6/0x1e0 [ 7680.857356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7680.857356][ T10] [ 7680.858903][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7680.858903][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7680.858903][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7680.858903][ T10] ipv6_find_idev+0x102/0x170 [ 7680.858903][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7680.858903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7680.858903][ T10] netlink_rcv_skb+0x130/0x360 [ 7680.858903][ T10] netlink_unicast+0x449/0x710 [ 7680.858903][ T10] netlink_sendmsg+0x723/0xbe0 [ 7680.858903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7680.858903][ T10] ___sys_sendmsg+0xee/0x170 [ 7680.858903][ T10] __sys_sendmsg+0xcd/0x170 [ 7680.858903][ T10] do_syscall_64+0xc6/0x1e0 [ 7680.858903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7680.858903][ T10] [ 7680.860607][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7680.860857][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7680.860857][ T10] netdev_get_by_index+0x5e/0x80 [ 7680.860857][ T10] fib6_nh_init+0x3d8/0x1580 [ 7680.860857][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7680.860857][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7680.860857][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7680.860857][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7680.860857][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7680.860857][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7680.860857][ T10] addrconf_dad_begin+0x310/0x670 [ 7680.860857][ T10] addrconf_dad_work+0x10b/0xab0 [ 7680.860857][ T10] process_one_work+0x84d/0x18a0 [ 7680.860857][ T10] worker_thread+0x587/0xd30 [ 7680.860857][ T10] kthread+0x28a/0x350 [ 7680.860857][ T10] ret_from_fork+0x31/0x70 [ 7680.860857][ T10] ret_from_fork_asm+0x1a/0x30 [ 7680.860857][ T10] [ 7680.862775][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7680.862775][ T10] netdev_get_by_index+0x5e/0x80 [ 7680.862775][ T10] fib6_nh_init+0x3d8/0x1580 [ 7680.862775][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7680.862775][ T10] ip6_route_add+0x1c/0x140 [ 7680.862775][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7680.862775][ T10] inet6_addr_add+0x4f8/0xa40 [ 7680.862775][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7680.862775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7680.862775][ T10] netlink_rcv_skb+0x130/0x360 [ 7680.862775][ T10] netlink_unicast+0x449/0x710 [ 7680.862775][ T10] netlink_sendmsg+0x723/0xbe0 [ 7680.862775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7680.862775][ T10] ___sys_sendmsg+0xee/0x170 [ 7680.862775][ T10] __sys_sendmsg+0xcd/0x170 [ 7680.862775][ T10] do_syscall_64+0xc6/0x1e0 [ 7680.862775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7680.862775][ T10] [ 7680.864796][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7680.864796][ T10] netdev_get_by_index+0x5e/0x80 [ 7680.864796][ T10] fib6_nh_init+0x3d8/0x1580 [ 7680.864796][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7680.864796][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7680.864796][ T10] ipv6_add_addr+0x411/0x2000 [ 7680.864796][ T10] inet6_addr_add+0x30e/0xa40 [ 7680.864796][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7680.864796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7680.864796][ T10] netlink_rcv_skb+0x130/0x360 [ 7680.864796][ T10] netlink_unicast+0x449/0x710 [ 7680.864796][ T10] netlink_sendmsg+0x723/0xbe0 [ 7680.864796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7680.864796][ T10] ___sys_sendmsg+0xee/0x170 [ 7680.864796][ T10] __sys_sendmsg+0xcd/0x170 [ 7680.864796][ T10] do_syscall_64+0xc6/0x1e0 [ 7680.864796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7680.864796][ T10] [ 7680.866793][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7680.866793][ T10] netdev_get_by_index+0x5e/0x80 [ 7680.866793][ T10] fib6_nh_init+0x3d8/0x1580 [ 7680.866793][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7680.866793][ T10] ip6_route_add+0x1c/0x140 [ 7680.866793][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7680.866793][ T10] addrconf_add_dev+0xe2/0x170 [ 7680.866793][ T10] inet6_addr_add+0x12f/0xa40 [ 7680.866793][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7680.866793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7680.866793][ T10] netlink_rcv_skb+0x130/0x360 [ 7680.866793][ T10] netlink_unicast+0x449/0x710 [ 7680.866793][ T10] netlink_sendmsg+0x723/0xbe0 [ 7680.866793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7680.866793][ T10] ___sys_sendmsg+0xee/0x170 [ 7680.866793][ T10] __sys_sendmsg+0xcd/0x170 [ 7680.866793][ T10] do_syscall_64+0xc6/0x1e0 [ 7680.866793][ T10] [ 7680.868770][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7680.868770][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7680.868770][ T10] ipv6_find_idev+0x102/0x170 [ 7680.868770][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7680.868770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7680.868770][ T10] netlink_rcv_skb+0x130/0x360 [ 7680.868770][ T10] netlink_unicast+0x449/0x710 [ 7680.868770][ T10] netlink_sendmsg+0x723/0xbe0 [ 7680.868770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7680.868770][ T10] ___sys_sendmsg+0xee/0x170 [ 7680.868770][ T10] __sys_sendmsg+0xcd/0x170 [ 7680.868770][ T10] do_syscall_64+0xc6/0x1e0 [ 7680.868770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7680.868770][ T10] [ 7680.870310][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7680.870310][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7680.870310][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7680.870310][ T10] ipv6_find_idev+0x102/0x170 [ 7680.870310][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7680.870310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7680.870310][ T10] netlink_rcv_skb+0x130/0x360 [ 7680.870310][ T10] netlink_unicast+0x449/0x710 [ 7680.870310][ T10] netlink_sendmsg+0x723/0xbe0 [ 7680.870310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7680.870310][ T10] ___sys_sendmsg+0xee/0x170 [ 7680.870310][ T10] __sys_sendmsg+0xcd/0x170 [ 7680.870310][ T10] do_syscall_64+0xc6/0x1e0 [ 7680.870310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7680.870310][ T10] [ 7680.872022][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7680.872282][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7680.872282][ T10] netdev_get_by_index+0x5e/0x80 [ 7680.872282][ T10] fib6_nh_init+0x3d8/0x1580 [ 7680.872282][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7680.872282][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7680.872282][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7680.872282][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7680.872282][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7680.872282][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7680.872282][ T10] addrconf_dad_begin+0x310/0x670 [ 7680.872282][ T10] addrconf_dad_work+0x10b/0xab0 [ 7680.872282][ T10] process_one_work+0x84d/0x18a0 [ 7680.872282][ T10] worker_thread+0x587/0xd30 [ 7680.872282][ T10] kthread+0x28a/0x350 [ 7680.872282][ T10] ret_from_fork+0x31/0x70 [ 7680.872282][ T10] ret_from_fork_asm+0x1a/0x30 [ 7680.872282][ T10] [ 7680.874201][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7680.874201][ T10] netdev_get_by_index+0x5e/0x80 [ 7680.874201][ T10] fib6_nh_init+0x3d8/0x1580 [ 7680.874201][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7680.874201][ T10] ip6_route_add+0x1c/0x140 [ 7680.874201][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7680.874201][ T10] inet6_addr_add+0x4f8/0xa40 [ 7680.874201][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7680.874201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7680.874201][ T10] netlink_rcv_skb+0x130/0x360 [ 7680.874201][ T10] netlink_unicast+0x449/0x710 [ 7680.874201][ T10] netlink_sendmsg+0x723/0xbe0 [ 7680.874201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7680.874201][ T10] ___sys_sendmsg+0xee/0x170 [ 7680.874201][ T10] __sys_sendmsg+0xcd/0x170 [ 7680.874201][ T10] do_syscall_64+0xc6/0x1e0 [ 7680.874201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7680.874201][ T10] [ 7680.876387][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7680.876387][ T10] netdev_get_by_index+0x5e/0x80 [ 7680.876387][ T10] fib6_nh_init+0x3d8/0x1580 [ 7680.876387][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7680.876387][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7680.876387][ T10] ipv6_add_addr+0x411/0x2000 [ 7680.876387][ T10] inet6_addr_add+0x30e/0xa40 [ 7680.876387][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7680.876387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7680.876387][ T10] netlink_rcv_skb+0x130/0x360 [ 7680.876387][ T10] netlink_unicast+0x449/0x710 [ 7680.876387][ T10] netlink_sendmsg+0x723/0xbe0 [ 7680.876387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7680.876387][ T10] ___sys_sendmsg+0xee/0x170 [ 7680.876387][ T10] __sys_sendmsg+0xcd/0x170 [ 7680.876387][ T10] do_syscall_64+0xc6/0x1e0 [ 7680.876387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7680.876387][ T10] [ 7680.878697][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7680.878697][ T10] netdev_get_by_index+0x5e/0x80 [ 7680.878697][ T10] fib6_nh_init+0x3d8/0x1580 [ 7680.878697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7680.878697][ T10] ip6_route_add+0x1c/0x140 [ 7680.878697][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7680.878697][ T10] addrconf_add_dev+0xe2/0x170 [ 7680.878697][ T10] inet6_addr_add+0x12f/0xa40 [ 7680.878697][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7680.878697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7680.878697][ T10] netlink_rcv_skb+0x130/0x360 [ 7680.878697][ T10] netlink_unicast+0x449/0x710 [ 7680.878697][ T10] netlink_sendmsg+0x723/0xbe0 [ 7680.878697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7680.878697][ T10] ___sys_sendmsg+0xee/0x170 [ 7680.878697][ T10] __sys_sendmsg+0xcd/0x170 [ 7680.878697][ T10] do_syscall_64+0xc6/0x1e0 [ 7680.878697][ T10] [ 7680.880836][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7680.880836][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7680.880836][ T10] ipv6_find_idev+0x102/0x170 [ 7680.880836][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7680.880836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7680.880836][ T10] netlink_rcv_skb+0x130/0x360 [ 7680.880836][ T10] netlink_unicast+0x449/0x710 [ 7680.880836][ T10] netlink_sendmsg+0x723/0xbe0 [ 7680.880836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7680.880836][ T10] ___sys_sendmsg+0xee/0x170 [ 7680.880836][ T10] __sys_sendmsg+0xcd/0x170 [ 7680.880836][ T10] do_syscall_64+0xc6/0x1e0 [ 7680.880836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7680.880836][ T10] [ 7680.882566][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7680.882566][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7680.882566][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7680.882566][ T10] ipv6_find_idev+0x102/0x170 [ 7680.882566][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7680.882566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7680.882566][ T10] netlink_rcv_skb+0x130/0x360 [ 7680.882566][ T10] netlink_unicast+0x449/0x710 [ 7680.882566][ T10] netlink_sendmsg+0x723/0xbe0 [ 7680.882566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7680.882566][ T10] ___sys_sendmsg+0xee/0x170 [ 7680.882566][ T10] __sys_sendmsg+0xcd/0x170 [ 7680.882566][ T10] do_syscall_64+0xc6/0x1e0 [ 7680.882566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7680.882566][ T10] [ 7680.884488][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7680.884725][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7680.884725][ T10] netdev_get_by_index+0x5e/0x80 [ 7680.884725][ T10] fib6_nh_init+0x3d8/0x1580 [ 7680.884725][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7680.884725][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7680.884725][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7680.884725][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7680.884725][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7680.884725][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7680.884725][ T10] addrconf_dad_begin+0x310/0x670 [ 7680.884725][ T10] addrconf_dad_work+0x10b/0xab0 [ 7680.884725][ T10] process_one_work+0x84d/0x18a0 [ 7680.884725][ T10] worker_thread+0x587/0xd30 [ 7680.884725][ T10] kthread+0x28a/0x350 [ 7680.884725][ T10] ret_from_fork+0x31/0x70 [ 7680.884725][ T10] ret_from_fork_asm+0x1a/0x30 [ 7680.884725][ T10] [ 7680.886934][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7680.886934][ T10] netdev_get_by_index+0x5e/0x80 [ 7680.886934][ T10] fib6_nh_init+0x3d8/0x1580 [ 7680.886934][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7680.886934][ T10] ip6_route_add+0x1c/0x140 [ 7680.886934][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7680.886934][ T10] inet6_addr_add+0x4f8/0xa40 [ 7680.886934][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7680.886934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7680.886934][ T10] netlink_rcv_skb+0x130/0x360 [ 7680.886934][ T10] netlink_unicast+0x449/0x710 [ 7680.886934][ T10] netlink_sendmsg+0x723/0xbe0 [ 7680.886934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7680.886934][ T10] ___sys_sendmsg+0xee/0x170 [ 7680.886934][ T10] __sys_sendmsg+0xcd/0x170 [ 7680.886934][ T10] do_syscall_64+0xc6/0x1e0 [ 7680.886934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7680.886934][ T10] [ 7680.889117][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7680.889117][ T10] netdev_get_by_index+0x5e/0x80 [ 7680.889117][ T10] fib6_nh_init+0x3d8/0x1580 [ 7680.889117][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7680.889117][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7680.889117][ T10] ipv6_add_addr+0x411/0x2000 [ 7680.889117][ T10] inet6_addr_add+0x30e/0xa40 [ 7680.889117][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7680.889117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7680.889117][ T10] netlink_rcv_skb+0x130/0x360 [ 7680.889117][ T10] netlink_unicast+0x449/0x710 [ 7680.889117][ T10] netlink_sendmsg+0x723/0xbe0 [ 7680.889117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7680.889117][ T10] ___sys_sendmsg+0xee/0x170 [ 7680.889117][ T10] __sys_sendmsg+0xcd/0x170 [ 7680.889117][ T10] do_syscall_64+0xc6/0x1e0 [ 7680.889117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7680.889117][ T10] [ 7680.891359][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7680.891359][ T10] netdev_get_by_index+0x5e/0x80 [ 7680.891359][ T10] fib6_nh_init+0x3d8/0x1580 [ 7680.891359][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7680.891359][ T10] ip6_route_add+0x1c/0x140 [ 7680.891359][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7680.891359][ T10] addrconf_add_dev+0xe2/0x170 [ 7680.891359][ T10] inet6_addr_add+0x12f/0xa40 [ 7680.891359][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7680.891359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7680.891359][ T10] netlink_rcv_skb+0x130/0x360 [ 7680.891359][ T10] netlink_unicast+0x449/0x710 [ 7680.891359][ T10] netlink_sendmsg+0x723/0xbe0 [ 7680.891359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7680.891359][ T10] ___sys_sendmsg+0xee/0x170 [ 7680.891359][ T10] __sys_sendmsg+0xcd/0x170 [ 7680.891359][ T10] do_syscall_64+0xc6/0x1e0 [ 7680.891359][ T10] [ 7680.893578][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7680.893578][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7680.893578][ T10] ipv6_find_idev+0x102/0x170 [ 7680.893578][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7680.893578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7680.893578][ T10] netlink_rcv_skb+0x130/0x360 [ 7680.893578][ T10] netlink_unicast+0x449/0x710 [ 7680.893578][ T10] netlink_sendmsg+0x723/0xbe0 [ 7680.893578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7680.893578][ T10] ___sys_sendmsg+0xee/0x170 [ 7680.893578][ T10] __sys_sendmsg+0xcd/0x170 [ 7680.893578][ T10] do_syscall_64+0xc6/0x1e0 [ 7680.893578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7680.893578][ T10] [ 7680.895311][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7680.895311][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7680.895311][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7680.895311][ T10] ipv6_find_idev+0x102/0x170 [ 7680.895311][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7680.895311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7680.895311][ T10] netlink_rcv_skb+0x130/0x360 [ 7680.895311][ T10] netlink_unicast+0x449/0x710 [ 7680.895311][ T10] netlink_sendmsg+0x723/0xbe0 [ 7680.895311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7680.895311][ T10] ___sys_sendmsg+0xee/0x170 [ 7680.895311][ T10] __sys_sendmsg+0xcd/0x170 [ 7680.895311][ T10] do_syscall_64+0xc6/0x1e0 [ 7680.895311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7680.895311][ T10] [ 7682.353054][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7682.353559][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7682.353559][ T1167] dst_init+0x84/0x4a0 [ 7682.353559][ T1167] dst_alloc+0x97/0x150 [ 7682.353559][ T1167] ip6_dst_alloc+0x23/0x90 [ 7682.353559][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7682.353559][ T1167] ip6_pol_route+0x56f/0x840 [ 7682.353559][ T1167] fib6_rule_lookup+0x334/0x630 [ 7682.353559][ T1167] ip6_route_output_flags+0x259/0x480 [ 7682.353559][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7682.353559][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7682.353559][ T1167] netlink_rcv_skb+0x130/0x360 [ 7682.353559][ T1167] netlink_unicast+0x449/0x710 [ 7682.353559][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7682.353559][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7682.353559][ T1167] ___sys_sendmsg+0xee/0x170 [ 7682.353559][ T1167] __sys_sendmsg+0xcd/0x170 [ 7682.353559][ T1167] do_syscall_64+0xc6/0x1e0 [ 7682.353559][ T1167] [ 7682.355778][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7682.355778][ T1167] netdev_get_by_index+0x5e/0x80 [ 7682.355778][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7682.355778][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7682.355778][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7682.355778][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7682.355778][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7682.355778][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7682.355778][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7682.355778][ T1167] addrconf_dad_begin+0x310/0x670 [ 7682.355778][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7682.355778][ T1167] process_one_work+0x84d/0x18a0 [ 7682.355778][ T1167] worker_thread+0x587/0xd30 [ 7682.355778][ T1167] kthread+0x28a/0x350 [ 7682.355778][ T1167] ret_from_fork+0x31/0x70 [ 7682.355778][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7682.355778][ T1167] [ 7682.357907][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7682.357907][ T1167] netdev_get_by_index+0x5e/0x80 [ 7682.357907][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7682.357907][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7682.357907][ T1167] ip6_route_add+0x1c/0x140 [ 7682.357907][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7682.357907][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7682.357907][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7682.357907][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7682.357907][ T1167] netlink_rcv_skb+0x130/0x360 [ 7682.357907][ T1167] netlink_unicast+0x449/0x710 [ 7682.357907][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7682.357907][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7682.357907][ T1167] ___sys_sendmsg+0xee/0x170 [ 7682.357907][ T1167] __sys_sendmsg+0xcd/0x170 [ 7682.357907][ T1167] do_syscall_64+0xc6/0x1e0 [ 7682.357907][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7682.357907][ T1167] [ 7682.360169][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7682.360169][ T1167] netdev_get_by_index+0x5e/0x80 [ 7682.360169][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7682.360169][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7682.360169][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7682.360169][ T1167] ipv6_add_addr+0x411/0x2000 [ 7682.360169][ T1167] inet6_addr_add+0x30e/0xa40 [ 7682.360169][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7682.360169][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7682.360169][ T1167] netlink_rcv_skb+0x130/0x360 [ 7682.360169][ T1167] netlink_unicast+0x449/0x710 [ 7682.360169][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7682.360169][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7682.360169][ T1167] ___sys_sendmsg+0xee/0x170 [ 7682.360169][ T1167] __sys_sendmsg+0xcd/0x170 [ 7682.360169][ T1167] do_syscall_64+0xc6/0x1e0 [ 7682.360169][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7682.360169][ T1167] [ 7682.362470][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7682.362470][ T1167] netdev_get_by_index+0x5e/0x80 [ 7682.362470][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7682.362470][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7682.362470][ T1167] ip6_route_add+0x1c/0x140 [ 7682.362470][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7682.362470][ T1167] addrconf_add_dev+0xe2/0x170 [ 7682.362470][ T1167] inet6_addr_add+0x12f/0xa40 [ 7682.362470][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7682.362470][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7682.362470][ T1167] netlink_rcv_skb+0x130/0x360 [ 7682.362470][ T1167] netlink_unicast+0x449/0x710 [ 7682.362470][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7682.362470][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7682.362470][ T1167] ___sys_sendmsg+0xee/0x170 [ 7682.362470][ T1167] __sys_sendmsg+0xcd/0x170 [ 7682.362470][ T1167] do_syscall_64+0xc6/0x1e0 [ 7682.362470][ T1167] [ 7682.364688][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7682.364688][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7682.364688][ T1167] ipv6_find_idev+0x102/0x170 [ 7682.364688][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7682.364688][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7682.364688][ T1167] netlink_rcv_skb+0x130/0x360 [ 7682.364688][ T1167] netlink_unicast+0x449/0x710 [ 7682.364688][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7682.364688][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7682.364688][ T1167] ___sys_sendmsg+0xee/0x170 [ 7682.364688][ T1167] __sys_sendmsg+0xcd/0x170 [ 7682.364688][ T1167] do_syscall_64+0xc6/0x1e0 [ 7682.364688][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7682.364688][ T1167] [ 7682.366411][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7682.366411][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7682.366411][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7682.366411][ T1167] ipv6_find_idev+0x102/0x170 [ 7682.366411][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7682.366411][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7682.366411][ T1167] netlink_rcv_skb+0x130/0x360 [ 7682.366411][ T1167] netlink_unicast+0x449/0x710 [ 7682.366411][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7682.366411][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7682.366411][ T1167] ___sys_sendmsg+0xee/0x170 [ 7682.366411][ T1167] __sys_sendmsg+0xcd/0x170 [ 7682.366411][ T1167] do_syscall_64+0xc6/0x1e0 [ 7682.366411][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7682.366411][ T1167] [ 7691.137108][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7691.137538][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7691.137538][ T10] netdev_get_by_index+0x5e/0x80 [ 7691.137538][ T10] fib6_nh_init+0x3d8/0x1580 [ 7691.137538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7691.137538][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7691.137538][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7691.137538][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7691.137538][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7691.137538][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7691.137538][ T10] addrconf_dad_begin+0x310/0x670 [ 7691.137538][ T10] addrconf_dad_work+0x10b/0xab0 [ 7691.137538][ T10] process_one_work+0x84d/0x18a0 [ 7691.137538][ T10] worker_thread+0x587/0xd30 [ 7691.137538][ T10] kthread+0x28a/0x350 [ 7691.137538][ T10] ret_from_fork+0x31/0x70 [ 7691.137538][ T10] ret_from_fork_asm+0x1a/0x30 [ 7691.137538][ T10] [ 7691.139490][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7691.139490][ T10] netdev_get_by_index+0x5e/0x80 [ 7691.139490][ T10] fib6_nh_init+0x3d8/0x1580 [ 7691.139490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7691.139490][ T10] ip6_route_add+0x1c/0x140 [ 7691.139490][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7691.139490][ T10] inet6_addr_add+0x4f8/0xa40 [ 7691.139490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7691.139490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7691.139490][ T10] netlink_rcv_skb+0x130/0x360 [ 7691.139490][ T10] netlink_unicast+0x449/0x710 [ 7691.139490][ T10] netlink_sendmsg+0x723/0xbe0 [ 7691.139490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7691.139490][ T10] ___sys_sendmsg+0xee/0x170 [ 7691.139490][ T10] __sys_sendmsg+0xcd/0x170 [ 7691.139490][ T10] do_syscall_64+0xc6/0x1e0 [ 7691.139490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7691.139490][ T10] [ 7691.141520][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7691.141520][ T10] netdev_get_by_index+0x5e/0x80 [ 7691.141520][ T10] fib6_nh_init+0x3d8/0x1580 [ 7691.141520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7691.141520][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7691.141520][ T10] ipv6_add_addr+0x411/0x2000 [ 7691.141520][ T10] inet6_addr_add+0x30e/0xa40 [ 7691.141520][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7691.141520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7691.141520][ T10] netlink_rcv_skb+0x130/0x360 [ 7691.141520][ T10] netlink_unicast+0x449/0x710 [ 7691.141520][ T10] netlink_sendmsg+0x723/0xbe0 [ 7691.141520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7691.141520][ T10] ___sys_sendmsg+0xee/0x170 [ 7691.141520][ T10] __sys_sendmsg+0xcd/0x170 [ 7691.141520][ T10] do_syscall_64+0xc6/0x1e0 [ 7691.141520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7691.141520][ T10] [ 7691.143539][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7691.143539][ T10] netdev_get_by_index+0x5e/0x80 [ 7691.143539][ T10] fib6_nh_init+0x3d8/0x1580 [ 7691.143539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7691.143539][ T10] ip6_route_add+0x1c/0x140 [ 7691.143539][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7691.143539][ T10] addrconf_add_dev+0xe2/0x170 [ 7691.143539][ T10] inet6_addr_add+0x12f/0xa40 [ 7691.143539][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7691.143539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7691.143539][ T10] netlink_rcv_skb+0x130/0x360 [ 7691.143539][ T10] netlink_unicast+0x449/0x710 [ 7691.143539][ T10] netlink_sendmsg+0x723/0xbe0 [ 7691.143539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7691.143539][ T10] ___sys_sendmsg+0xee/0x170 [ 7691.143539][ T10] __sys_sendmsg+0xcd/0x170 [ 7691.143539][ T10] do_syscall_64+0xc6/0x1e0 [ 7691.143539][ T10] [ 7691.145532][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7691.145532][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7691.145532][ T10] ipv6_find_idev+0x102/0x170 [ 7691.145532][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7691.145532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7691.145532][ T10] netlink_rcv_skb+0x130/0x360 [ 7691.145532][ T10] netlink_unicast+0x449/0x710 [ 7691.145532][ T10] netlink_sendmsg+0x723/0xbe0 [ 7691.145532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7691.145532][ T10] ___sys_sendmsg+0xee/0x170 [ 7691.145532][ T10] __sys_sendmsg+0xcd/0x170 [ 7691.145532][ T10] do_syscall_64+0xc6/0x1e0 [ 7691.145532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7691.145532][ T10] [ 7691.147082][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7691.147082][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7691.147082][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7691.147082][ T10] ipv6_find_idev+0x102/0x170 [ 7691.147082][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7691.147082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7691.147082][ T10] netlink_rcv_skb+0x130/0x360 [ 7691.147082][ T10] netlink_unicast+0x449/0x710 [ 7691.147082][ T10] netlink_sendmsg+0x723/0xbe0 [ 7691.147082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7691.147082][ T10] ___sys_sendmsg+0xee/0x170 [ 7691.147082][ T10] __sys_sendmsg+0xcd/0x170 [ 7691.147082][ T10] do_syscall_64+0xc6/0x1e0 [ 7691.147082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7691.147082][ T10] [ 7691.148788][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7691.149037][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7691.149037][ T10] netdev_get_by_index+0x5e/0x80 [ 7691.149037][ T10] fib6_nh_init+0x3d8/0x1580 [ 7691.149037][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7691.149037][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7691.149037][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7691.149037][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7691.149037][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7691.149037][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7691.149037][ T10] addrconf_dad_begin+0x310/0x670 [ 7691.149037][ T10] addrconf_dad_work+0x10b/0xab0 [ 7691.149037][ T10] process_one_work+0x84d/0x18a0 [ 7691.149037][ T10] worker_thread+0x587/0xd30 [ 7691.149037][ T10] kthread+0x28a/0x350 [ 7691.149037][ T10] ret_from_fork+0x31/0x70 [ 7691.149037][ T10] ret_from_fork_asm+0x1a/0x30 [ 7691.149037][ T10] [ 7691.150949][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7691.150949][ T10] netdev_get_by_index+0x5e/0x80 [ 7691.150949][ T10] fib6_nh_init+0x3d8/0x1580 [ 7691.150949][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7691.150949][ T10] ip6_route_add+0x1c/0x140 [ 7691.150949][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7691.150949][ T10] inet6_addr_add+0x4f8/0xa40 [ 7691.150949][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7691.150949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7691.150949][ T10] netlink_rcv_skb+0x130/0x360 [ 7691.150949][ T10] netlink_unicast+0x449/0x710 [ 7691.150949][ T10] netlink_sendmsg+0x723/0xbe0 [ 7691.150949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7691.150949][ T10] ___sys_sendmsg+0xee/0x170 [ 7691.150949][ T10] __sys_sendmsg+0xcd/0x170 [ 7691.150949][ T10] do_syscall_64+0xc6/0x1e0 [ 7691.150949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7691.150949][ T10] [ 7691.152982][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7691.152982][ T10] netdev_get_by_index+0x5e/0x80 [ 7691.152982][ T10] fib6_nh_init+0x3d8/0x1580 [ 7691.152982][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7691.152982][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7691.152982][ T10] ipv6_add_addr+0x411/0x2000 [ 7691.152982][ T10] inet6_addr_add+0x30e/0xa40 [ 7691.152982][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7691.152982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7691.152982][ T10] netlink_rcv_skb+0x130/0x360 [ 7691.152982][ T10] netlink_unicast+0x449/0x710 [ 7691.152982][ T10] netlink_sendmsg+0x723/0xbe0 [ 7691.152982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7691.152982][ T10] ___sys_sendmsg+0xee/0x170 [ 7691.152982][ T10] __sys_sendmsg+0xcd/0x170 [ 7691.152982][ T10] do_syscall_64+0xc6/0x1e0 [ 7691.152982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7691.152982][ T10] [ 7691.154984][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7691.154984][ T10] netdev_get_by_index+0x5e/0x80 [ 7691.154984][ T10] fib6_nh_init+0x3d8/0x1580 [ 7691.154984][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7691.154984][ T10] ip6_route_add+0x1c/0x140 [ 7691.154984][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7691.154984][ T10] addrconf_add_dev+0xe2/0x170 [ 7691.154984][ T10] inet6_addr_add+0x12f/0xa40 [ 7691.154984][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7691.154984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7691.154984][ T10] netlink_rcv_skb+0x130/0x360 [ 7691.154984][ T10] netlink_unicast+0x449/0x710 [ 7691.154984][ T10] netlink_sendmsg+0x723/0xbe0 [ 7691.154984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7691.154984][ T10] ___sys_sendmsg+0xee/0x170 [ 7691.154984][ T10] __sys_sendmsg+0xcd/0x170 [ 7691.154984][ T10] do_syscall_64+0xc6/0x1e0 [ 7691.154984][ T10] [ 7691.156952][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7691.156952][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7691.156952][ T10] ipv6_find_idev+0x102/0x170 [ 7691.156952][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7691.156952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7691.156952][ T10] netlink_rcv_skb+0x130/0x360 [ 7691.156952][ T10] netlink_unicast+0x449/0x710 [ 7691.156952][ T10] netlink_sendmsg+0x723/0xbe0 [ 7691.156952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7691.156952][ T10] ___sys_sendmsg+0xee/0x170 [ 7691.156952][ T10] __sys_sendmsg+0xcd/0x170 [ 7691.156952][ T10] do_syscall_64+0xc6/0x1e0 [ 7691.156952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7691.156952][ T10] [ 7691.158498][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7691.158498][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7691.158498][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7691.158498][ T10] ipv6_find_idev+0x102/0x170 [ 7691.158498][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7691.158498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7691.158498][ T10] netlink_rcv_skb+0x130/0x360 [ 7691.158498][ T10] netlink_unicast+0x449/0x710 [ 7691.158498][ T10] netlink_sendmsg+0x723/0xbe0 [ 7691.158498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7691.158498][ T10] ___sys_sendmsg+0xee/0x170 [ 7691.158498][ T10] __sys_sendmsg+0xcd/0x170 [ 7691.158498][ T10] do_syscall_64+0xc6/0x1e0 [ 7691.158498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7691.158498][ T10] [ 7691.160190][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7691.160427][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7691.160427][ T10] netdev_get_by_index+0x5e/0x80 [ 7691.160427][ T10] fib6_nh_init+0x3d8/0x1580 [ 7691.160427][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7691.160427][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7691.160427][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7691.160427][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7691.160427][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7691.160427][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7691.160427][ T10] addrconf_dad_begin+0x310/0x670 [ 7691.160427][ T10] addrconf_dad_work+0x10b/0xab0 [ 7691.160427][ T10] process_one_work+0x84d/0x18a0 [ 7691.160427][ T10] worker_thread+0x587/0xd30 [ 7691.160427][ T10] kthread+0x28a/0x350 [ 7691.160427][ T10] ret_from_fork+0x31/0x70 [ 7691.160427][ T10] ret_from_fork_asm+0x1a/0x30 [ 7691.160427][ T10] [ 7691.162355][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7691.162355][ T10] netdev_get_by_index+0x5e/0x80 [ 7691.162355][ T10] fib6_nh_init+0x3d8/0x1580 [ 7691.162355][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7691.162355][ T10] ip6_route_add+0x1c/0x140 [ 7691.162355][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7691.162355][ T10] inet6_addr_add+0x4f8/0xa40 [ 7691.162355][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7691.162355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7691.162355][ T10] netlink_rcv_skb+0x130/0x360 [ 7691.162355][ T10] netlink_unicast+0x449/0x710 [ 7691.162355][ T10] netlink_sendmsg+0x723/0xbe0 [ 7691.162355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7691.162355][ T10] ___sys_sendmsg+0xee/0x170 [ 7691.162355][ T10] __sys_sendmsg+0xcd/0x170 [ 7691.162355][ T10] do_syscall_64+0xc6/0x1e0 [ 7691.162355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7691.162355][ T10] [ 7691.164544][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7691.164544][ T10] netdev_get_by_index+0x5e/0x80 [ 7691.164544][ T10] fib6_nh_init+0x3d8/0x1580 [ 7691.164544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7691.164544][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7691.164544][ T10] ipv6_add_addr+0x411/0x2000 [ 7691.164544][ T10] inet6_addr_add+0x30e/0xa40 [ 7691.164544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7691.164544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7691.164544][ T10] netlink_rcv_skb+0x130/0x360 [ 7691.164544][ T10] netlink_unicast+0x449/0x710 [ 7691.164544][ T10] netlink_sendmsg+0x723/0xbe0 [ 7691.164544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7691.164544][ T10] ___sys_sendmsg+0xee/0x170 [ 7691.164544][ T10] __sys_sendmsg+0xcd/0x170 [ 7691.164544][ T10] do_syscall_64+0xc6/0x1e0 [ 7691.164544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7691.164544][ T10] [ 7691.166852][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7691.166852][ T10] netdev_get_by_index+0x5e/0x80 [ 7691.166852][ T10] fib6_nh_init+0x3d8/0x1580 [ 7691.166852][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7691.166852][ T10] ip6_route_add+0x1c/0x140 [ 7691.166852][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7691.166852][ T10] addrconf_add_dev+0xe2/0x170 [ 7691.166852][ T10] inet6_addr_add+0x12f/0xa40 [ 7691.166852][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7691.166852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7691.166852][ T10] netlink_rcv_skb+0x130/0x360 [ 7691.166852][ T10] netlink_unicast+0x449/0x710 [ 7691.166852][ T10] netlink_sendmsg+0x723/0xbe0 [ 7691.166852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7691.166852][ T10] ___sys_sendmsg+0xee/0x170 [ 7691.166852][ T10] __sys_sendmsg+0xcd/0x170 [ 7691.166852][ T10] do_syscall_64+0xc6/0x1e0 [ 7691.166852][ T10] [ 7691.169004][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7691.169004][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7691.169004][ T10] ipv6_find_idev+0x102/0x170 [ 7691.169004][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7691.169004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7691.169004][ T10] netlink_rcv_skb+0x130/0x360 [ 7691.169004][ T10] netlink_unicast+0x449/0x710 [ 7691.169004][ T10] netlink_sendmsg+0x723/0xbe0 [ 7691.169004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7691.169004][ T10] ___sys_sendmsg+0xee/0x170 [ 7691.169004][ T10] __sys_sendmsg+0xcd/0x170 [ 7691.169004][ T10] do_syscall_64+0xc6/0x1e0 [ 7691.169004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7691.169004][ T10] [ 7691.170750][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7691.170750][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7691.170750][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7691.170750][ T10] ipv6_find_idev+0x102/0x170 [ 7691.170750][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7691.170750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7691.170750][ T10] netlink_rcv_skb+0x130/0x360 [ 7691.170750][ T10] netlink_unicast+0x449/0x710 [ 7691.170750][ T10] netlink_sendmsg+0x723/0xbe0 [ 7691.170750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7691.170750][ T10] ___sys_sendmsg+0xee/0x170 [ 7691.170750][ T10] __sys_sendmsg+0xcd/0x170 [ 7691.170750][ T10] do_syscall_64+0xc6/0x1e0 [ 7691.170750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7691.170750][ T10] [ 7691.172685][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7691.172924][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7691.172924][ T10] netdev_get_by_index+0x5e/0x80 [ 7691.172924][ T10] fib6_nh_init+0x3d8/0x1580 [ 7691.172924][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7691.172924][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7691.172924][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7691.172924][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7691.172924][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7691.172924][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7691.172924][ T10] addrconf_dad_begin+0x310/0x670 [ 7691.172924][ T10] addrconf_dad_work+0x10b/0xab0 [ 7691.172924][ T10] process_one_work+0x84d/0x18a0 [ 7691.172924][ T10] worker_thread+0x587/0xd30 [ 7691.172924][ T10] kthread+0x28a/0x350 [ 7691.172924][ T10] ret_from_fork+0x31/0x70 [ 7691.172924][ T10] ret_from_fork_asm+0x1a/0x30 [ 7691.172924][ T10] [ 7691.175151][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7691.175151][ T10] netdev_get_by_index+0x5e/0x80 [ 7691.175151][ T10] fib6_nh_init+0x3d8/0x1580 [ 7691.175151][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7691.175151][ T10] ip6_route_add+0x1c/0x140 [ 7691.175151][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7691.175151][ T10] inet6_addr_add+0x4f8/0xa40 [ 7691.175151][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7691.175151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7691.175151][ T10] netlink_rcv_skb+0x130/0x360 [ 7691.175151][ T10] netlink_unicast+0x449/0x710 [ 7691.175151][ T10] netlink_sendmsg+0x723/0xbe0 [ 7691.175151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7691.175151][ T10] ___sys_sendmsg+0xee/0x170 [ 7691.175151][ T10] __sys_sendmsg+0xcd/0x170 [ 7691.175151][ T10] do_syscall_64+0xc6/0x1e0 [ 7691.175151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7691.175151][ T10] [ 7691.177325][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7691.177325][ T10] netdev_get_by_index+0x5e/0x80 [ 7691.177325][ T10] fib6_nh_init+0x3d8/0x1580 [ 7691.177325][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7691.177325][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7691.177325][ T10] ipv6_add_addr+0x411/0x2000 [ 7691.177325][ T10] inet6_addr_add+0x30e/0xa40 [ 7691.177325][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7691.177325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7691.177325][ T10] netlink_rcv_skb+0x130/0x360 [ 7691.177325][ T10] netlink_unicast+0x449/0x710 [ 7691.177325][ T10] netlink_sendmsg+0x723/0xbe0 [ 7691.177325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7691.177325][ T10] ___sys_sendmsg+0xee/0x170 [ 7691.177325][ T10] __sys_sendmsg+0xcd/0x170 [ 7691.177325][ T10] do_syscall_64+0xc6/0x1e0 [ 7691.177325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7691.177325][ T10] [ 7691.179568][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7691.179568][ T10] netdev_get_by_index+0x5e/0x80 [ 7691.179568][ T10] fib6_nh_init+0x3d8/0x1580 [ 7691.179568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7691.179568][ T10] ip6_route_add+0x1c/0x140 [ 7691.179568][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7691.179568][ T10] addrconf_add_dev+0xe2/0x170 [ 7691.179568][ T10] inet6_addr_add+0x12f/0xa40 [ 7691.179568][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7691.179568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7691.179568][ T10] netlink_rcv_skb+0x130/0x360 [ 7691.179568][ T10] netlink_unicast+0x449/0x710 [ 7691.179568][ T10] netlink_sendmsg+0x723/0xbe0 [ 7691.179568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7691.179568][ T10] ___sys_sendmsg+0xee/0x170 [ 7691.179568][ T10] __sys_sendmsg+0xcd/0x170 [ 7691.179568][ T10] do_syscall_64+0xc6/0x1e0 [ 7691.179568][ T10] [ 7691.181776][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7691.181776][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7691.181776][ T10] ipv6_find_idev+0x102/0x170 [ 7691.181776][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7691.181776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7691.181776][ T10] netlink_rcv_skb+0x130/0x360 [ 7691.181776][ T10] netlink_unicast+0x449/0x710 [ 7691.181776][ T10] netlink_sendmsg+0x723/0xbe0 [ 7691.181776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7691.181776][ T10] ___sys_sendmsg+0xee/0x170 [ 7691.181776][ T10] __sys_sendmsg+0xcd/0x170 [ 7691.181776][ T10] do_syscall_64+0xc6/0x1e0 [ 7691.181776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7691.181776][ T10] [ 7691.183505][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7691.183505][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7691.183505][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7691.183505][ T10] ipv6_find_idev+0x102/0x170 [ 7691.183505][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7691.183505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7691.183505][ T10] netlink_rcv_skb+0x130/0x360 [ 7691.183505][ T10] netlink_unicast+0x449/0x710 [ 7691.183505][ T10] netlink_sendmsg+0x723/0xbe0 [ 7691.183505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7691.183505][ T10] ___sys_sendmsg+0xee/0x170 [ 7691.183505][ T10] __sys_sendmsg+0xcd/0x170 [ 7691.183505][ T10] do_syscall_64+0xc6/0x1e0 [ 7691.183505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7691.183505][ T10] [ 7692.609120][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7692.609627][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7692.609627][ T1167] dst_init+0x84/0x4a0 [ 7692.609627][ T1167] dst_alloc+0x97/0x150 [ 7692.609627][ T1167] ip6_dst_alloc+0x23/0x90 [ 7692.609627][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7692.609627][ T1167] ip6_pol_route+0x56f/0x840 [ 7692.609627][ T1167] fib6_rule_lookup+0x334/0x630 [ 7692.609627][ T1167] ip6_route_output_flags+0x259/0x480 [ 7692.609627][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7692.609627][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7692.609627][ T1167] netlink_rcv_skb+0x130/0x360 [ 7692.609627][ T1167] netlink_unicast+0x449/0x710 [ 7692.609627][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7692.609627][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7692.609627][ T1167] ___sys_sendmsg+0xee/0x170 [ 7692.609627][ T1167] __sys_sendmsg+0xcd/0x170 [ 7692.609627][ T1167] do_syscall_64+0xc6/0x1e0 [ 7692.609627][ T1167] [ 7692.611840][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7692.611840][ T1167] netdev_get_by_index+0x5e/0x80 [ 7692.611840][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7692.611840][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7692.611840][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7692.611840][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7692.611840][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7692.611840][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7692.611840][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7692.611840][ T1167] addrconf_dad_begin+0x310/0x670 [ 7692.611840][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7692.611840][ T1167] process_one_work+0x84d/0x18a0 [ 7692.611840][ T1167] worker_thread+0x587/0xd30 [ 7692.611840][ T1167] kthread+0x28a/0x350 [ 7692.611840][ T1167] ret_from_fork+0x31/0x70 [ 7692.611840][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7692.611840][ T1167] [ 7692.614013][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7692.614013][ T1167] netdev_get_by_index+0x5e/0x80 [ 7692.614013][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7692.614013][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7692.614013][ T1167] ip6_route_add+0x1c/0x140 [ 7692.614013][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7692.614013][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7692.614013][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7692.614013][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7692.614013][ T1167] netlink_rcv_skb+0x130/0x360 [ 7692.614013][ T1167] netlink_unicast+0x449/0x710 [ 7692.614013][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7692.614013][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7692.614013][ T1167] ___sys_sendmsg+0xee/0x170 [ 7692.614013][ T1167] __sys_sendmsg+0xcd/0x170 [ 7692.614013][ T1167] do_syscall_64+0xc6/0x1e0 [ 7692.614013][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7692.614013][ T1167] [ 7692.616301][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7692.616301][ T1167] netdev_get_by_index+0x5e/0x80 [ 7692.616301][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7692.616301][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7692.616301][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7692.616301][ T1167] ipv6_add_addr+0x411/0x2000 [ 7692.616301][ T1167] inet6_addr_add+0x30e/0xa40 [ 7692.616301][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7692.616301][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7692.616301][ T1167] netlink_rcv_skb+0x130/0x360 [ 7692.616301][ T1167] netlink_unicast+0x449/0x710 [ 7692.616301][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7692.616301][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7692.616301][ T1167] ___sys_sendmsg+0xee/0x170 [ 7692.616301][ T1167] __sys_sendmsg+0xcd/0x170 [ 7692.616301][ T1167] do_syscall_64+0xc6/0x1e0 [ 7692.616301][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7692.616301][ T1167] [ 7692.618558][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7692.618558][ T1167] netdev_get_by_index+0x5e/0x80 [ 7692.618558][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7692.618558][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7692.618558][ T1167] ip6_route_add+0x1c/0x140 [ 7692.618558][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7692.618558][ T1167] addrconf_add_dev+0xe2/0x170 [ 7692.618558][ T1167] inet6_addr_add+0x12f/0xa40 [ 7692.618558][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7692.618558][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7692.618558][ T1167] netlink_rcv_skb+0x130/0x360 [ 7692.618558][ T1167] netlink_unicast+0x449/0x710 [ 7692.618558][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7692.618558][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7692.618558][ T1167] ___sys_sendmsg+0xee/0x170 [ 7692.618558][ T1167] __sys_sendmsg+0xcd/0x170 [ 7692.618558][ T1167] do_syscall_64+0xc6/0x1e0 [ 7692.618558][ T1167] [ 7692.620788][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7692.620788][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7692.620788][ T1167] ipv6_find_idev+0x102/0x170 [ 7692.620788][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7692.620788][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7692.620788][ T1167] netlink_rcv_skb+0x130/0x360 [ 7692.620788][ T1167] netlink_unicast+0x449/0x710 [ 7692.620788][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7692.620788][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7692.620788][ T1167] ___sys_sendmsg+0xee/0x170 [ 7692.620788][ T1167] __sys_sendmsg+0xcd/0x170 [ 7692.620788][ T1167] do_syscall_64+0xc6/0x1e0 [ 7692.620788][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7692.620788][ T1167] [ 7692.622532][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7692.622532][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7692.622532][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7692.622532][ T1167] ipv6_find_idev+0x102/0x170 [ 7692.622532][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7692.622532][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7692.622532][ T1167] netlink_rcv_skb+0x130/0x360 [ 7692.622532][ T1167] netlink_unicast+0x449/0x710 [ 7692.622532][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7692.622532][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7692.622532][ T1167] ___sys_sendmsg+0xee/0x170 [ 7692.622532][ T1167] __sys_sendmsg+0xcd/0x170 [ 7692.622532][ T1167] do_syscall_64+0xc6/0x1e0 [ 7692.622532][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7692.622532][ T1167] [ 7701.273122][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7701.273555][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7701.273555][ T10] netdev_get_by_index+0x5e/0x80 [ 7701.273555][ T10] fib6_nh_init+0x3d8/0x1580 [ 7701.273555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7701.273555][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7701.273555][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7701.273555][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7701.273555][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7701.273555][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7701.273555][ T10] addrconf_dad_begin+0x310/0x670 [ 7701.273555][ T10] addrconf_dad_work+0x10b/0xab0 [ 7701.273555][ T10] process_one_work+0x84d/0x18a0 [ 7701.273555][ T10] worker_thread+0x587/0xd30 [ 7701.273555][ T10] kthread+0x28a/0x350 [ 7701.273555][ T10] ret_from_fork+0x31/0x70 [ 7701.273555][ T10] ret_from_fork_asm+0x1a/0x30 [ 7701.273555][ T10] [ 7701.275512][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7701.275512][ T10] netdev_get_by_index+0x5e/0x80 [ 7701.275512][ T10] fib6_nh_init+0x3d8/0x1580 [ 7701.275512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7701.275512][ T10] ip6_route_add+0x1c/0x140 [ 7701.275512][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7701.275512][ T10] inet6_addr_add+0x4f8/0xa40 [ 7701.275512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7701.275512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7701.275512][ T10] netlink_rcv_skb+0x130/0x360 [ 7701.275512][ T10] netlink_unicast+0x449/0x710 [ 7701.275512][ T10] netlink_sendmsg+0x723/0xbe0 [ 7701.275512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7701.275512][ T10] ___sys_sendmsg+0xee/0x170 [ 7701.275512][ T10] __sys_sendmsg+0xcd/0x170 [ 7701.275512][ T10] do_syscall_64+0xc6/0x1e0 [ 7701.275512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7701.275512][ T10] [ 7701.277522][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7701.277522][ T10] netdev_get_by_index+0x5e/0x80 [ 7701.277522][ T10] fib6_nh_init+0x3d8/0x1580 [ 7701.277522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7701.277522][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7701.277522][ T10] ipv6_add_addr+0x411/0x2000 [ 7701.277522][ T10] inet6_addr_add+0x30e/0xa40 [ 7701.277522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7701.277522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7701.277522][ T10] netlink_rcv_skb+0x130/0x360 [ 7701.277522][ T10] netlink_unicast+0x449/0x710 [ 7701.277522][ T10] netlink_sendmsg+0x723/0xbe0 [ 7701.277522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7701.277522][ T10] ___sys_sendmsg+0xee/0x170 [ 7701.277522][ T10] __sys_sendmsg+0xcd/0x170 [ 7701.277522][ T10] do_syscall_64+0xc6/0x1e0 [ 7701.277522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7701.277522][ T10] [ 7701.279535][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7701.279535][ T10] netdev_get_by_index+0x5e/0x80 [ 7701.279535][ T10] fib6_nh_init+0x3d8/0x1580 [ 7701.279535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7701.279535][ T10] ip6_route_add+0x1c/0x140 [ 7701.279535][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7701.279535][ T10] addrconf_add_dev+0xe2/0x170 [ 7701.279535][ T10] inet6_addr_add+0x12f/0xa40 [ 7701.279535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7701.279535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7701.279535][ T10] netlink_rcv_skb+0x130/0x360 [ 7701.279535][ T10] netlink_unicast+0x449/0x710 [ 7701.279535][ T10] netlink_sendmsg+0x723/0xbe0 [ 7701.279535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7701.279535][ T10] ___sys_sendmsg+0xee/0x170 [ 7701.279535][ T10] __sys_sendmsg+0xcd/0x170 [ 7701.279535][ T10] do_syscall_64+0xc6/0x1e0 [ 7701.279535][ T10] [ 7701.281513][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7701.281513][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7701.281513][ T10] ipv6_find_idev+0x102/0x170 [ 7701.281513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7701.281513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7701.281513][ T10] netlink_rcv_skb+0x130/0x360 [ 7701.281513][ T10] netlink_unicast+0x449/0x710 [ 7701.281513][ T10] netlink_sendmsg+0x723/0xbe0 [ 7701.281513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7701.281513][ T10] ___sys_sendmsg+0xee/0x170 [ 7701.281513][ T10] __sys_sendmsg+0xcd/0x170 [ 7701.281513][ T10] do_syscall_64+0xc6/0x1e0 [ 7701.281513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7701.281513][ T10] [ 7701.283066][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7701.283066][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7701.283066][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7701.283066][ T10] ipv6_find_idev+0x102/0x170 [ 7701.283066][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7701.283066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7701.283066][ T10] netlink_rcv_skb+0x130/0x360 [ 7701.283066][ T10] netlink_unicast+0x449/0x710 [ 7701.283066][ T10] netlink_sendmsg+0x723/0xbe0 [ 7701.283066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7701.283066][ T10] ___sys_sendmsg+0xee/0x170 [ 7701.283066][ T10] __sys_sendmsg+0xcd/0x170 [ 7701.283066][ T10] do_syscall_64+0xc6/0x1e0 [ 7701.283066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7701.283066][ T10] [ 7701.284768][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7701.285027][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7701.285027][ T10] netdev_get_by_index+0x5e/0x80 [ 7701.285027][ T10] fib6_nh_init+0x3d8/0x1580 [ 7701.285027][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7701.285027][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7701.285027][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7701.285027][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7701.285027][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7701.285027][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7701.285027][ T10] addrconf_dad_begin+0x310/0x670 [ 7701.285027][ T10] addrconf_dad_work+0x10b/0xab0 [ 7701.285027][ T10] process_one_work+0x84d/0x18a0 [ 7701.285027][ T10] worker_thread+0x587/0xd30 [ 7701.285027][ T10] kthread+0x28a/0x350 [ 7701.285027][ T10] ret_from_fork+0x31/0x70 [ 7701.285027][ T10] ret_from_fork_asm+0x1a/0x30 [ 7701.285027][ T10] [ 7701.286933][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7701.286933][ T10] netdev_get_by_index+0x5e/0x80 [ 7701.286933][ T10] fib6_nh_init+0x3d8/0x1580 [ 7701.286933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7701.286933][ T10] ip6_route_add+0x1c/0x140 [ 7701.286933][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7701.286933][ T10] inet6_addr_add+0x4f8/0xa40 [ 7701.286933][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7701.286933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7701.286933][ T10] netlink_rcv_skb+0x130/0x360 [ 7701.286933][ T10] netlink_unicast+0x449/0x710 [ 7701.286933][ T10] netlink_sendmsg+0x723/0xbe0 [ 7701.286933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7701.286933][ T10] ___sys_sendmsg+0xee/0x170 [ 7701.286933][ T10] __sys_sendmsg+0xcd/0x170 [ 7701.286933][ T10] do_syscall_64+0xc6/0x1e0 [ 7701.286933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7701.286933][ T10] [ 7701.288935][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7701.288935][ T10] netdev_get_by_index+0x5e/0x80 [ 7701.288935][ T10] fib6_nh_init+0x3d8/0x1580 [ 7701.288935][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7701.288935][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7701.288935][ T10] ipv6_add_addr+0x411/0x2000 [ 7701.288935][ T10] inet6_addr_add+0x30e/0xa40 [ 7701.288935][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7701.288935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7701.288935][ T10] netlink_rcv_skb+0x130/0x360 [ 7701.288935][ T10] netlink_unicast+0x449/0x710 [ 7701.288935][ T10] netlink_sendmsg+0x723/0xbe0 [ 7701.288935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7701.288935][ T10] ___sys_sendmsg+0xee/0x170 [ 7701.288935][ T10] __sys_sendmsg+0xcd/0x170 [ 7701.288935][ T10] do_syscall_64+0xc6/0x1e0 [ 7701.288935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7701.288935][ T10] [ 7701.290938][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7701.290938][ T10] netdev_get_by_index+0x5e/0x80 [ 7701.290938][ T10] fib6_nh_init+0x3d8/0x1580 [ 7701.290938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7701.290938][ T10] ip6_route_add+0x1c/0x140 [ 7701.290938][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7701.290938][ T10] addrconf_add_dev+0xe2/0x170 [ 7701.290938][ T10] inet6_addr_add+0x12f/0xa40 [ 7701.290938][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7701.290938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7701.290938][ T10] netlink_rcv_skb+0x130/0x360 [ 7701.290938][ T10] netlink_unicast+0x449/0x710 [ 7701.290938][ T10] netlink_sendmsg+0x723/0xbe0 [ 7701.290938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7701.290938][ T10] ___sys_sendmsg+0xee/0x170 [ 7701.290938][ T10] __sys_sendmsg+0xcd/0x170 [ 7701.290938][ T10] do_syscall_64+0xc6/0x1e0 [ 7701.290938][ T10] [ 7701.292914][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7701.292914][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7701.292914][ T10] ipv6_find_idev+0x102/0x170 [ 7701.292914][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7701.292914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7701.292914][ T10] netlink_rcv_skb+0x130/0x360 [ 7701.292914][ T10] netlink_unicast+0x449/0x710 [ 7701.292914][ T10] netlink_sendmsg+0x723/0xbe0 [ 7701.292914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7701.292914][ T10] ___sys_sendmsg+0xee/0x170 [ 7701.292914][ T10] __sys_sendmsg+0xcd/0x170 [ 7701.292914][ T10] do_syscall_64+0xc6/0x1e0 [ 7701.292914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7701.292914][ T10] [ 7701.294465][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7701.294465][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7701.294465][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7701.294465][ T10] ipv6_find_idev+0x102/0x170 [ 7701.294465][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7701.294465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7701.294465][ T10] netlink_rcv_skb+0x130/0x360 [ 7701.294465][ T10] netlink_unicast+0x449/0x710 [ 7701.294465][ T10] netlink_sendmsg+0x723/0xbe0 [ 7701.294465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7701.294465][ T10] ___sys_sendmsg+0xee/0x170 [ 7701.294465][ T10] __sys_sendmsg+0xcd/0x170 [ 7701.294465][ T10] do_syscall_64+0xc6/0x1e0 [ 7701.294465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7701.294465][ T10] [ 7701.296177][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7701.296420][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7701.296420][ T10] netdev_get_by_index+0x5e/0x80 [ 7701.296420][ T10] fib6_nh_init+0x3d8/0x1580 [ 7701.296420][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7701.296420][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7701.296420][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7701.296420][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7701.296420][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7701.296420][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7701.296420][ T10] addrconf_dad_begin+0x310/0x670 [ 7701.296420][ T10] addrconf_dad_work+0x10b/0xab0 [ 7701.296420][ T10] process_one_work+0x84d/0x18a0 [ 7701.296420][ T10] worker_thread+0x587/0xd30 [ 7701.296420][ T10] kthread+0x28a/0x350 [ 7701.296420][ T10] ret_from_fork+0x31/0x70 [ 7701.296420][ T10] ret_from_fork_asm+0x1a/0x30 [ 7701.296420][ T10] [ 7701.298330][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7701.298330][ T10] netdev_get_by_index+0x5e/0x80 [ 7701.298330][ T10] fib6_nh_init+0x3d8/0x1580 [ 7701.298330][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7701.298330][ T10] ip6_route_add+0x1c/0x140 [ 7701.298330][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7701.298330][ T10] inet6_addr_add+0x4f8/0xa40 [ 7701.298330][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7701.298330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7701.298330][ T10] netlink_rcv_skb+0x130/0x360 [ 7701.298330][ T10] netlink_unicast+0x449/0x710 [ 7701.298330][ T10] netlink_sendmsg+0x723/0xbe0 [ 7701.298330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7701.298330][ T10] ___sys_sendmsg+0xee/0x170 [ 7701.298330][ T10] __sys_sendmsg+0xcd/0x170 [ 7701.298330][ T10] do_syscall_64+0xc6/0x1e0 [ 7701.298330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7701.298330][ T10] [ 7701.300515][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7701.300515][ T10] netdev_get_by_index+0x5e/0x80 [ 7701.300515][ T10] fib6_nh_init+0x3d8/0x1580 [ 7701.300515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7701.300515][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7701.300515][ T10] ipv6_add_addr+0x411/0x2000 [ 7701.300515][ T10] inet6_addr_add+0x30e/0xa40 [ 7701.300515][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7701.300515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7701.300515][ T10] netlink_rcv_skb+0x130/0x360 [ 7701.300515][ T10] netlink_unicast+0x449/0x710 [ 7701.300515][ T10] netlink_sendmsg+0x723/0xbe0 [ 7701.300515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7701.300515][ T10] ___sys_sendmsg+0xee/0x170 [ 7701.300515][ T10] __sys_sendmsg+0xcd/0x170 [ 7701.300515][ T10] do_syscall_64+0xc6/0x1e0 [ 7701.300515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7701.300515][ T10] [ 7701.302830][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7701.302830][ T10] netdev_get_by_index+0x5e/0x80 [ 7701.302830][ T10] fib6_nh_init+0x3d8/0x1580 [ 7701.302830][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7701.302830][ T10] ip6_route_add+0x1c/0x140 [ 7701.302830][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7701.302830][ T10] addrconf_add_dev+0xe2/0x170 [ 7701.302830][ T10] inet6_addr_add+0x12f/0xa40 [ 7701.302830][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7701.302830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7701.302830][ T10] netlink_rcv_skb+0x130/0x360 [ 7701.302830][ T10] netlink_unicast+0x449/0x710 [ 7701.302830][ T10] netlink_sendmsg+0x723/0xbe0 [ 7701.302830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7701.302830][ T10] ___sys_sendmsg+0xee/0x170 [ 7701.302830][ T10] __sys_sendmsg+0xcd/0x170 [ 7701.302830][ T10] do_syscall_64+0xc6/0x1e0 [ 7701.302830][ T10] [ 7701.304976][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7701.304976][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7701.304976][ T10] ipv6_find_idev+0x102/0x170 [ 7701.304976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7701.304976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7701.304976][ T10] netlink_rcv_skb+0x130/0x360 [ 7701.304976][ T10] netlink_unicast+0x449/0x710 [ 7701.304976][ T10] netlink_sendmsg+0x723/0xbe0 [ 7701.304976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7701.304976][ T10] ___sys_sendmsg+0xee/0x170 [ 7701.304976][ T10] __sys_sendmsg+0xcd/0x170 [ 7701.304976][ T10] do_syscall_64+0xc6/0x1e0 [ 7701.304976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7701.304976][ T10] [ 7701.306699][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7701.306699][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7701.306699][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7701.306699][ T10] ipv6_find_idev+0x102/0x170 [ 7701.306699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7701.306699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7701.306699][ T10] netlink_rcv_skb+0x130/0x360 [ 7701.306699][ T10] netlink_unicast+0x449/0x710 [ 7701.306699][ T10] netlink_sendmsg+0x723/0xbe0 [ 7701.306699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7701.306699][ T10] ___sys_sendmsg+0xee/0x170 [ 7701.306699][ T10] __sys_sendmsg+0xcd/0x170 [ 7701.306699][ T10] do_syscall_64+0xc6/0x1e0 [ 7701.306699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7701.306699][ T10] [ 7701.308619][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7701.308860][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7701.308860][ T10] netdev_get_by_index+0x5e/0x80 [ 7701.308860][ T10] fib6_nh_init+0x3d8/0x1580 [ 7701.308860][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7701.308860][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7701.308860][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7701.308860][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7701.308860][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7701.308860][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7701.308860][ T10] addrconf_dad_begin+0x310/0x670 [ 7701.308860][ T10] addrconf_dad_work+0x10b/0xab0 [ 7701.308860][ T10] process_one_work+0x84d/0x18a0 [ 7701.308860][ T10] worker_thread+0x587/0xd30 [ 7701.308860][ T10] kthread+0x28a/0x350 [ 7701.308860][ T10] ret_from_fork+0x31/0x70 [ 7701.308860][ T10] ret_from_fork_asm+0x1a/0x30 [ 7701.308860][ T10] [ 7701.311079][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7701.311079][ T10] netdev_get_by_index+0x5e/0x80 [ 7701.311079][ T10] fib6_nh_init+0x3d8/0x1580 [ 7701.311079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7701.311079][ T10] ip6_route_add+0x1c/0x140 [ 7701.311079][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7701.311079][ T10] inet6_addr_add+0x4f8/0xa40 [ 7701.311079][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7701.311079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7701.311079][ T10] netlink_rcv_skb+0x130/0x360 [ 7701.311079][ T10] netlink_unicast+0x449/0x710 [ 7701.311079][ T10] netlink_sendmsg+0x723/0xbe0 [ 7701.311079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7701.311079][ T10] ___sys_sendmsg+0xee/0x170 [ 7701.311079][ T10] __sys_sendmsg+0xcd/0x170 [ 7701.311079][ T10] do_syscall_64+0xc6/0x1e0 [ 7701.311079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7701.311079][ T10] [ 7701.313259][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7701.313259][ T10] netdev_get_by_index+0x5e/0x80 [ 7701.313259][ T10] fib6_nh_init+0x3d8/0x1580 [ 7701.313259][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7701.313259][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7701.313259][ T10] ipv6_add_addr+0x411/0x2000 [ 7701.313259][ T10] inet6_addr_add+0x30e/0xa40 [ 7701.313259][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7701.313259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7701.313259][ T10] netlink_rcv_skb+0x130/0x360 [ 7701.313259][ T10] netlink_unicast+0x449/0x710 [ 7701.313259][ T10] netlink_sendmsg+0x723/0xbe0 [ 7701.313259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7701.313259][ T10] ___sys_sendmsg+0xee/0x170 [ 7701.313259][ T10] __sys_sendmsg+0xcd/0x170 [ 7701.313259][ T10] do_syscall_64+0xc6/0x1e0 [ 7701.313259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7701.313259][ T10] [ 7701.315490][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7701.315490][ T10] netdev_get_by_index+0x5e/0x80 [ 7701.315490][ T10] fib6_nh_init+0x3d8/0x1580 [ 7701.315490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7701.315490][ T10] ip6_route_add+0x1c/0x140 [ 7701.315490][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7701.315490][ T10] addrconf_add_dev+0xe2/0x170 [ 7701.315490][ T10] inet6_addr_add+0x12f/0xa40 [ 7701.315490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7701.315490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7701.315490][ T10] netlink_rcv_skb+0x130/0x360 [ 7701.315490][ T10] netlink_unicast+0x449/0x710 [ 7701.315490][ T10] netlink_sendmsg+0x723/0xbe0 [ 7701.315490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7701.315490][ T10] ___sys_sendmsg+0xee/0x170 [ 7701.315490][ T10] __sys_sendmsg+0xcd/0x170 [ 7701.315490][ T10] do_syscall_64+0xc6/0x1e0 [ 7701.315490][ T10] [ 7701.317715][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7701.317715][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7701.317715][ T10] ipv6_find_idev+0x102/0x170 [ 7701.317715][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7701.317715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7701.317715][ T10] netlink_rcv_skb+0x130/0x360 [ 7701.317715][ T10] netlink_unicast+0x449/0x710 [ 7701.317715][ T10] netlink_sendmsg+0x723/0xbe0 [ 7701.317715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7701.317715][ T10] ___sys_sendmsg+0xee/0x170 [ 7701.317715][ T10] __sys_sendmsg+0xcd/0x170 [ 7701.317715][ T10] do_syscall_64+0xc6/0x1e0 [ 7701.317715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7701.317715][ T10] [ 7701.319436][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7701.319436][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7701.319436][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7701.319436][ T10] ipv6_find_idev+0x102/0x170 [ 7701.319436][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7701.319436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7701.319436][ T10] netlink_rcv_skb+0x130/0x360 [ 7701.319436][ T10] netlink_unicast+0x449/0x710 [ 7701.319436][ T10] netlink_sendmsg+0x723/0xbe0 [ 7701.319436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7701.319436][ T10] ___sys_sendmsg+0xee/0x170 [ 7701.319436][ T10] __sys_sendmsg+0xcd/0x170 [ 7701.319436][ T10] do_syscall_64+0xc6/0x1e0 [ 7701.319436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7701.319436][ T10] [ 7702.673058][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7702.673561][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7702.673561][ T1167] dst_init+0x84/0x4a0 [ 7702.673561][ T1167] dst_alloc+0x97/0x150 [ 7702.673561][ T1167] ip6_dst_alloc+0x23/0x90 [ 7702.673561][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7702.673561][ T1167] ip6_pol_route+0x56f/0x840 [ 7702.673561][ T1167] fib6_rule_lookup+0x334/0x630 [ 7702.673561][ T1167] ip6_route_output_flags+0x259/0x480 [ 7702.673561][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7702.673561][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7702.673561][ T1167] netlink_rcv_skb+0x130/0x360 [ 7702.673561][ T1167] netlink_unicast+0x449/0x710 [ 7702.673561][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7702.673561][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7702.673561][ T1167] ___sys_sendmsg+0xee/0x170 [ 7702.673561][ T1167] __sys_sendmsg+0xcd/0x170 [ 7702.673561][ T1167] do_syscall_64+0xc6/0x1e0 [ 7702.673561][ T1167] [ 7702.675789][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7702.675789][ T1167] netdev_get_by_index+0x5e/0x80 [ 7702.675789][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7702.675789][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7702.675789][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7702.675789][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7702.675789][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7702.675789][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7702.675789][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7702.675789][ T1167] addrconf_dad_begin+0x310/0x670 [ 7702.675789][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7702.675789][ T1167] process_one_work+0x84d/0x18a0 [ 7702.675789][ T1167] worker_thread+0x587/0xd30 [ 7702.675789][ T1167] kthread+0x28a/0x350 [ 7702.675789][ T1167] ret_from_fork+0x31/0x70 [ 7702.675789][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7702.675789][ T1167] [ 7702.677963][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7702.677963][ T1167] netdev_get_by_index+0x5e/0x80 [ 7702.677963][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7702.677963][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7702.677963][ T1167] ip6_route_add+0x1c/0x140 [ 7702.677963][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7702.677963][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7702.677963][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7702.677963][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7702.677963][ T1167] netlink_rcv_skb+0x130/0x360 [ 7702.677963][ T1167] netlink_unicast+0x449/0x710 [ 7702.677963][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7702.677963][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7702.677963][ T1167] ___sys_sendmsg+0xee/0x170 [ 7702.677963][ T1167] __sys_sendmsg+0xcd/0x170 [ 7702.677963][ T1167] do_syscall_64+0xc6/0x1e0 [ 7702.677963][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7702.677963][ T1167] [ 7702.680240][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7702.680240][ T1167] netdev_get_by_index+0x5e/0x80 [ 7702.680240][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7702.680240][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7702.680240][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7702.680240][ T1167] ipv6_add_addr+0x411/0x2000 [ 7702.680240][ T1167] inet6_addr_add+0x30e/0xa40 [ 7702.680240][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7702.680240][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7702.680240][ T1167] netlink_rcv_skb+0x130/0x360 [ 7702.680240][ T1167] netlink_unicast+0x449/0x710 [ 7702.680240][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7702.680240][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7702.680240][ T1167] ___sys_sendmsg+0xee/0x170 [ 7702.680240][ T1167] __sys_sendmsg+0xcd/0x170 [ 7702.680240][ T1167] do_syscall_64+0xc6/0x1e0 [ 7702.680240][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7702.680240][ T1167] [ 7702.682562][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7702.682562][ T1167] netdev_get_by_index+0x5e/0x80 [ 7702.682562][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7702.682562][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7702.682562][ T1167] ip6_route_add+0x1c/0x140 [ 7702.682562][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7702.682562][ T1167] addrconf_add_dev+0xe2/0x170 [ 7702.682562][ T1167] inet6_addr_add+0x12f/0xa40 [ 7702.682562][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7702.682562][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7702.682562][ T1167] netlink_rcv_skb+0x130/0x360 [ 7702.682562][ T1167] netlink_unicast+0x449/0x710 [ 7702.682562][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7702.682562][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7702.682562][ T1167] ___sys_sendmsg+0xee/0x170 [ 7702.682562][ T1167] __sys_sendmsg+0xcd/0x170 [ 7702.682562][ T1167] do_syscall_64+0xc6/0x1e0 [ 7702.682562][ T1167] [ 7702.685325][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7702.685325][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7702.685325][ T1167] ipv6_find_idev+0x102/0x170 [ 7702.685325][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7702.685325][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7702.685325][ T1167] netlink_rcv_skb+0x130/0x360 [ 7702.685325][ T1167] netlink_unicast+0x449/0x710 [ 7702.685325][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7702.685325][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7702.685325][ T1167] ___sys_sendmsg+0xee/0x170 [ 7702.685325][ T1167] __sys_sendmsg+0xcd/0x170 [ 7702.685325][ T1167] do_syscall_64+0xc6/0x1e0 [ 7702.685325][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7702.685325][ T1167] [ 7702.687066][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7702.687066][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7702.687066][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7702.687066][ T1167] ipv6_find_idev+0x102/0x170 [ 7702.687066][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7702.687066][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7702.687066][ T1167] netlink_rcv_skb+0x130/0x360 [ 7702.687066][ T1167] netlink_unicast+0x449/0x710 [ 7702.687066][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7702.687066][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7702.687066][ T1167] ___sys_sendmsg+0xee/0x170 [ 7702.687066][ T1167] __sys_sendmsg+0xcd/0x170 [ 7702.687066][ T1167] do_syscall_64+0xc6/0x1e0 [ 7702.687066][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7702.687066][ T1167] [ 7711.337102][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7711.337651][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7711.337651][ T10] netdev_get_by_index+0x5e/0x80 [ 7711.337651][ T10] fib6_nh_init+0x3d8/0x1580 [ 7711.337651][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7711.337651][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7711.337651][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7711.337651][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7711.337651][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7711.337651][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7711.337651][ T10] addrconf_dad_begin+0x310/0x670 [ 7711.337651][ T10] addrconf_dad_work+0x10b/0xab0 [ 7711.337651][ T10] process_one_work+0x84d/0x18a0 [ 7711.337651][ T10] worker_thread+0x587/0xd30 [ 7711.337651][ T10] kthread+0x28a/0x350 [ 7711.337651][ T10] ret_from_fork+0x31/0x70 [ 7711.337651][ T10] ret_from_fork_asm+0x1a/0x30 [ 7711.337651][ T10] [ 7711.340540][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7711.340540][ T10] netdev_get_by_index+0x5e/0x80 [ 7711.340540][ T10] fib6_nh_init+0x3d8/0x1580 [ 7711.340540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7711.340540][ T10] ip6_route_add+0x1c/0x140 [ 7711.340540][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7711.340540][ T10] inet6_addr_add+0x4f8/0xa40 [ 7711.340540][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7711.340540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7711.340540][ T10] netlink_rcv_skb+0x130/0x360 [ 7711.340540][ T10] netlink_unicast+0x449/0x710 [ 7711.340540][ T10] netlink_sendmsg+0x723/0xbe0 [ 7711.340540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7711.340540][ T10] ___sys_sendmsg+0xee/0x170 [ 7711.340540][ T10] __sys_sendmsg+0xcd/0x170 [ 7711.340540][ T10] do_syscall_64+0xc6/0x1e0 [ 7711.340540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7711.340540][ T10] [ 7711.343598][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7711.343598][ T10] netdev_get_by_index+0x5e/0x80 [ 7711.343598][ T10] fib6_nh_init+0x3d8/0x1580 [ 7711.343598][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7711.343598][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7711.343598][ T10] ipv6_add_addr+0x411/0x2000 [ 7711.343598][ T10] inet6_addr_add+0x30e/0xa40 [ 7711.343598][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7711.343598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7711.343598][ T10] netlink_rcv_skb+0x130/0x360 [ 7711.343598][ T10] netlink_unicast+0x449/0x710 [ 7711.343598][ T10] netlink_sendmsg+0x723/0xbe0 [ 7711.343598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7711.343598][ T10] ___sys_sendmsg+0xee/0x170 [ 7711.343598][ T10] __sys_sendmsg+0xcd/0x170 [ 7711.343598][ T10] do_syscall_64+0xc6/0x1e0 [ 7711.343598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7711.343598][ T10] [ 7711.346709][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7711.346709][ T10] netdev_get_by_index+0x5e/0x80 [ 7711.346709][ T10] fib6_nh_init+0x3d8/0x1580 [ 7711.346709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7711.346709][ T10] ip6_route_add+0x1c/0x140 [ 7711.346709][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7711.346709][ T10] addrconf_add_dev+0xe2/0x170 [ 7711.346709][ T10] inet6_addr_add+0x12f/0xa40 [ 7711.346709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7711.346709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7711.346709][ T10] netlink_rcv_skb+0x130/0x360 [ 7711.346709][ T10] netlink_unicast+0x449/0x710 [ 7711.346709][ T10] netlink_sendmsg+0x723/0xbe0 [ 7711.346709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7711.346709][ T10] ___sys_sendmsg+0xee/0x170 [ 7711.346709][ T10] __sys_sendmsg+0xcd/0x170 [ 7711.346709][ T10] do_syscall_64+0xc6/0x1e0 [ 7711.346709][ T10] [ 7711.349688][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7711.349688][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7711.349688][ T10] ipv6_find_idev+0x102/0x170 [ 7711.349688][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7711.349688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7711.349688][ T10] netlink_rcv_skb+0x130/0x360 [ 7711.349688][ T10] netlink_unicast+0x449/0x710 [ 7711.349688][ T10] netlink_sendmsg+0x723/0xbe0 [ 7711.349688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7711.349688][ T10] ___sys_sendmsg+0xee/0x170 [ 7711.349688][ T10] __sys_sendmsg+0xcd/0x170 [ 7711.349688][ T10] do_syscall_64+0xc6/0x1e0 [ 7711.349688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7711.349688][ T10] [ 7711.352062][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7711.352062][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7711.352062][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7711.352062][ T10] ipv6_find_idev+0x102/0x170 [ 7711.352062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7711.352062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7711.352062][ T10] netlink_rcv_skb+0x130/0x360 [ 7711.352062][ T10] netlink_unicast+0x449/0x710 [ 7711.352062][ T10] netlink_sendmsg+0x723/0xbe0 [ 7711.352062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7711.352062][ T10] ___sys_sendmsg+0xee/0x170 [ 7711.352062][ T10] __sys_sendmsg+0xcd/0x170 [ 7711.352062][ T10] do_syscall_64+0xc6/0x1e0 [ 7711.352062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7711.352062][ T10] [ 7711.354596][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7711.354959][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7711.354959][ T10] netdev_get_by_index+0x5e/0x80 [ 7711.354959][ T10] fib6_nh_init+0x3d8/0x1580 [ 7711.354959][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7711.354959][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7711.354959][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7711.354959][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7711.354959][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7711.354959][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7711.354959][ T10] addrconf_dad_begin+0x310/0x670 [ 7711.354959][ T10] addrconf_dad_work+0x10b/0xab0 [ 7711.354959][ T10] process_one_work+0x84d/0x18a0 [ 7711.354959][ T10] worker_thread+0x587/0xd30 [ 7711.354959][ T10] kthread+0x28a/0x350 [ 7711.354959][ T10] ret_from_fork+0x31/0x70 [ 7711.354959][ T10] ret_from_fork_asm+0x1a/0x30 [ 7711.354959][ T10] [ 7711.357769][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7711.357769][ T10] netdev_get_by_index+0x5e/0x80 [ 7711.357769][ T10] fib6_nh_init+0x3d8/0x1580 [ 7711.357769][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7711.357769][ T10] ip6_route_add+0x1c/0x140 [ 7711.357769][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7711.357769][ T10] inet6_addr_add+0x4f8/0xa40 [ 7711.357769][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7711.357769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7711.357769][ T10] netlink_rcv_skb+0x130/0x360 [ 7711.357769][ T10] netlink_unicast+0x449/0x710 [ 7711.357769][ T10] netlink_sendmsg+0x723/0xbe0 [ 7711.357769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7711.357769][ T10] ___sys_sendmsg+0xee/0x170 [ 7711.357769][ T10] __sys_sendmsg+0xcd/0x170 [ 7711.357769][ T10] do_syscall_64+0xc6/0x1e0 [ 7711.357769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7711.357769][ T10] [ 7711.360782][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7711.360782][ T10] netdev_get_by_index+0x5e/0x80 [ 7711.360782][ T10] fib6_nh_init+0x3d8/0x1580 [ 7711.360782][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7711.360782][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7711.360782][ T10] ipv6_add_addr+0x411/0x2000 [ 7711.360782][ T10] inet6_addr_add+0x30e/0xa40 [ 7711.360782][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7711.360782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7711.360782][ T10] netlink_rcv_skb+0x130/0x360 [ 7711.360782][ T10] netlink_unicast+0x449/0x710 [ 7711.360782][ T10] netlink_sendmsg+0x723/0xbe0 [ 7711.360782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7711.360782][ T10] ___sys_sendmsg+0xee/0x170 [ 7711.360782][ T10] __sys_sendmsg+0xcd/0x170 [ 7711.360782][ T10] do_syscall_64+0xc6/0x1e0 [ 7711.360782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7711.360782][ T10] [ 7711.363800][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7711.363800][ T10] netdev_get_by_index+0x5e/0x80 [ 7711.363800][ T10] fib6_nh_init+0x3d8/0x1580 [ 7711.363800][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7711.363800][ T10] ip6_route_add+0x1c/0x140 [ 7711.363800][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7711.363800][ T10] addrconf_add_dev+0xe2/0x170 [ 7711.363800][ T10] inet6_addr_add+0x12f/0xa40 [ 7711.363800][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7711.363800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7711.363800][ T10] netlink_rcv_skb+0x130/0x360 [ 7711.363800][ T10] netlink_unicast+0x449/0x710 [ 7711.363800][ T10] netlink_sendmsg+0x723/0xbe0 [ 7711.363800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7711.363800][ T10] ___sys_sendmsg+0xee/0x170 [ 7711.363800][ T10] __sys_sendmsg+0xcd/0x170 [ 7711.363800][ T10] do_syscall_64+0xc6/0x1e0 [ 7711.363800][ T10] [ 7711.366813][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7711.366813][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7711.366813][ T10] ipv6_find_idev+0x102/0x170 [ 7711.366813][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7711.366813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7711.366813][ T10] netlink_rcv_skb+0x130/0x360 [ 7711.366813][ T10] netlink_unicast+0x449/0x710 [ 7711.366813][ T10] netlink_sendmsg+0x723/0xbe0 [ 7711.366813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7711.366813][ T10] ___sys_sendmsg+0xee/0x170 [ 7711.366813][ T10] __sys_sendmsg+0xcd/0x170 [ 7711.366813][ T10] do_syscall_64+0xc6/0x1e0 [ 7711.366813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7711.366813][ T10] [ 7711.369168][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7711.369168][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7711.369168][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7711.369168][ T10] ipv6_find_idev+0x102/0x170 [ 7711.369168][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7711.369168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7711.369168][ T10] netlink_rcv_skb+0x130/0x360 [ 7711.369168][ T10] netlink_unicast+0x449/0x710 [ 7711.369168][ T10] netlink_sendmsg+0x723/0xbe0 [ 7711.369168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7711.369168][ T10] ___sys_sendmsg+0xee/0x170 [ 7711.369168][ T10] __sys_sendmsg+0xcd/0x170 [ 7711.369168][ T10] do_syscall_64+0xc6/0x1e0 [ 7711.369168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7711.369168][ T10] [ 7711.371798][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7711.372207][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7711.372207][ T10] netdev_get_by_index+0x5e/0x80 [ 7711.372207][ T10] fib6_nh_init+0x3d8/0x1580 [ 7711.372207][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7711.372207][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7711.372207][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7711.372207][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7711.372207][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7711.372207][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7711.372207][ T10] addrconf_dad_begin+0x310/0x670 [ 7711.372207][ T10] addrconf_dad_work+0x10b/0xab0 [ 7711.372207][ T10] process_one_work+0x84d/0x18a0 [ 7711.372207][ T10] worker_thread+0x587/0xd30 [ 7711.372207][ T10] kthread+0x28a/0x350 [ 7711.372207][ T10] ret_from_fork+0x31/0x70 [ 7711.372207][ T10] ret_from_fork_asm+0x1a/0x30 [ 7711.372207][ T10] [ 7711.375117][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7711.375117][ T10] netdev_get_by_index+0x5e/0x80 [ 7711.375117][ T10] fib6_nh_init+0x3d8/0x1580 [ 7711.375117][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7711.375117][ T10] ip6_route_add+0x1c/0x140 [ 7711.375117][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7711.375117][ T10] inet6_addr_add+0x4f8/0xa40 [ 7711.375117][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7711.375117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7711.375117][ T10] netlink_rcv_skb+0x130/0x360 [ 7711.375117][ T10] netlink_unicast+0x449/0x710 [ 7711.375117][ T10] netlink_sendmsg+0x723/0xbe0 [ 7711.375117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7711.375117][ T10] ___sys_sendmsg+0xee/0x170 [ 7711.375117][ T10] __sys_sendmsg+0xcd/0x170 [ 7711.375117][ T10] do_syscall_64+0xc6/0x1e0 [ 7711.375117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7711.375117][ T10] [ 7711.378483][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7711.378483][ T10] netdev_get_by_index+0x5e/0x80 [ 7711.378483][ T10] fib6_nh_init+0x3d8/0x1580 [ 7711.378483][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7711.378483][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7711.378483][ T10] ipv6_add_addr+0x411/0x2000 [ 7711.378483][ T10] inet6_addr_add+0x30e/0xa40 [ 7711.378483][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7711.378483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7711.378483][ T10] netlink_rcv_skb+0x130/0x360 [ 7711.378483][ T10] netlink_unicast+0x449/0x710 [ 7711.378483][ T10] netlink_sendmsg+0x723/0xbe0 [ 7711.378483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7711.378483][ T10] ___sys_sendmsg+0xee/0x170 [ 7711.378483][ T10] __sys_sendmsg+0xcd/0x170 [ 7711.378483][ T10] do_syscall_64+0xc6/0x1e0 [ 7711.378483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7711.378483][ T10] [ 7711.382076][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7711.382076][ T10] netdev_get_by_index+0x5e/0x80 [ 7711.382076][ T10] fib6_nh_init+0x3d8/0x1580 [ 7711.382076][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7711.382076][ T10] ip6_route_add+0x1c/0x140 [ 7711.382076][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7711.382076][ T10] addrconf_add_dev+0xe2/0x170 [ 7711.382076][ T10] inet6_addr_add+0x12f/0xa40 [ 7711.382076][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7711.382076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7711.382076][ T10] netlink_rcv_skb+0x130/0x360 [ 7711.382076][ T10] netlink_unicast+0x449/0x710 [ 7711.382076][ T10] netlink_sendmsg+0x723/0xbe0 [ 7711.382076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7711.382076][ T10] ___sys_sendmsg+0xee/0x170 [ 7711.382076][ T10] __sys_sendmsg+0xcd/0x170 [ 7711.382076][ T10] do_syscall_64+0xc6/0x1e0 [ 7711.382076][ T10] [ 7711.385473][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7711.385473][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7711.385473][ T10] ipv6_find_idev+0x102/0x170 [ 7711.385473][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7711.385473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7711.385473][ T10] netlink_rcv_skb+0x130/0x360 [ 7711.385473][ T10] netlink_unicast+0x449/0x710 [ 7711.385473][ T10] netlink_sendmsg+0x723/0xbe0 [ 7711.385473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7711.385473][ T10] ___sys_sendmsg+0xee/0x170 [ 7711.385473][ T10] __sys_sendmsg+0xcd/0x170 [ 7711.385473][ T10] do_syscall_64+0xc6/0x1e0 [ 7711.385473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7711.385473][ T10] [ 7711.388119][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7711.388119][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7711.388119][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7711.388119][ T10] ipv6_find_idev+0x102/0x170 [ 7711.388119][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7711.388119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7711.388119][ T10] netlink_rcv_skb+0x130/0x360 [ 7711.388119][ T10] netlink_unicast+0x449/0x710 [ 7711.388119][ T10] netlink_sendmsg+0x723/0xbe0 [ 7711.388119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7711.388119][ T10] ___sys_sendmsg+0xee/0x170 [ 7711.388119][ T10] __sys_sendmsg+0xcd/0x170 [ 7711.388119][ T10] do_syscall_64+0xc6/0x1e0 [ 7711.388119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7711.388119][ T10] [ 7711.391078][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7711.391422][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7711.391422][ T10] netdev_get_by_index+0x5e/0x80 [ 7711.391422][ T10] fib6_nh_init+0x3d8/0x1580 [ 7711.391422][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7711.391422][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7711.391422][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7711.391422][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7711.391422][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7711.391422][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7711.391422][ T10] addrconf_dad_begin+0x310/0x670 [ 7711.391422][ T10] addrconf_dad_work+0x10b/0xab0 [ 7711.391422][ T10] process_one_work+0x84d/0x18a0 [ 7711.391422][ T10] worker_thread+0x587/0xd30 [ 7711.391422][ T10] kthread+0x28a/0x350 [ 7711.391422][ T10] ret_from_fork+0x31/0x70 [ 7711.391422][ T10] ret_from_fork_asm+0x1a/0x30 [ 7711.391422][ T10] [ 7711.394777][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7711.394777][ T10] netdev_get_by_index+0x5e/0x80 [ 7711.394777][ T10] fib6_nh_init+0x3d8/0x1580 [ 7711.394777][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7711.394777][ T10] ip6_route_add+0x1c/0x140 [ 7711.394777][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7711.394777][ T10] inet6_addr_add+0x4f8/0xa40 [ 7711.394777][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7711.394777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7711.394777][ T10] netlink_rcv_skb+0x130/0x360 [ 7711.394777][ T10] netlink_unicast+0x449/0x710 [ 7711.394777][ T10] netlink_sendmsg+0x723/0xbe0 [ 7711.394777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7711.394777][ T10] ___sys_sendmsg+0xee/0x170 [ 7711.394777][ T10] __sys_sendmsg+0xcd/0x170 [ 7711.394777][ T10] do_syscall_64+0xc6/0x1e0 [ 7711.394777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7711.394777][ T10] [ 7711.398247][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7711.398247][ T10] netdev_get_by_index+0x5e/0x80 [ 7711.398247][ T10] fib6_nh_init+0x3d8/0x1580 [ 7711.398247][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7711.398247][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7711.398247][ T10] ipv6_add_addr+0x411/0x2000 [ 7711.398247][ T10] inet6_addr_add+0x30e/0xa40 [ 7711.398247][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7711.398247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7711.398247][ T10] netlink_rcv_skb+0x130/0x360 [ 7711.398247][ T10] netlink_unicast+0x449/0x710 [ 7711.398247][ T10] netlink_sendmsg+0x723/0xbe0 [ 7711.398247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7711.398247][ T10] ___sys_sendmsg+0xee/0x170 [ 7711.398247][ T10] __sys_sendmsg+0xcd/0x170 [ 7711.398247][ T10] do_syscall_64+0xc6/0x1e0 [ 7711.398247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7711.398247][ T10] [ 7711.401707][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7711.401707][ T10] netdev_get_by_index+0x5e/0x80 [ 7711.401707][ T10] fib6_nh_init+0x3d8/0x1580 [ 7711.401707][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7711.401707][ T10] ip6_route_add+0x1c/0x140 [ 7711.401707][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7711.401707][ T10] addrconf_add_dev+0xe2/0x170 [ 7711.401707][ T10] inet6_addr_add+0x12f/0xa40 [ 7711.401707][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7711.401707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7711.401707][ T10] netlink_rcv_skb+0x130/0x360 [ 7711.401707][ T10] netlink_unicast+0x449/0x710 [ 7711.401707][ T10] netlink_sendmsg+0x723/0xbe0 [ 7711.401707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7711.401707][ T10] ___sys_sendmsg+0xee/0x170 [ 7711.401707][ T10] __sys_sendmsg+0xcd/0x170 [ 7711.401707][ T10] do_syscall_64+0xc6/0x1e0 [ 7711.401707][ T10] [ 7711.404797][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7711.404797][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7711.404797][ T10] ipv6_find_idev+0x102/0x170 [ 7711.404797][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7711.404797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7711.404797][ T10] netlink_rcv_skb+0x130/0x360 [ 7711.404797][ T10] netlink_unicast+0x449/0x710 [ 7711.404797][ T10] netlink_sendmsg+0x723/0xbe0 [ 7711.404797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7711.404797][ T10] ___sys_sendmsg+0xee/0x170 [ 7711.404797][ T10] __sys_sendmsg+0xcd/0x170 [ 7711.404797][ T10] do_syscall_64+0xc6/0x1e0 [ 7711.404797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7711.404797][ T10] [ 7711.407205][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7711.407205][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7711.407205][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7711.407205][ T10] ipv6_find_idev+0x102/0x170 [ 7711.407205][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7711.407205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7711.407205][ T10] netlink_rcv_skb+0x130/0x360 [ 7711.407205][ T10] netlink_unicast+0x449/0x710 [ 7711.407205][ T10] netlink_sendmsg+0x723/0xbe0 [ 7711.407205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7711.407205][ T10] ___sys_sendmsg+0xee/0x170 [ 7711.407205][ T10] __sys_sendmsg+0xcd/0x170 [ 7711.407205][ T10] do_syscall_64+0xc6/0x1e0 [ 7711.407205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7711.407205][ T10] [ 7712.689140][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7712.689568][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7712.689568][ T1167] dst_init+0x84/0x4a0 [ 7712.689568][ T1167] dst_alloc+0x97/0x150 [ 7712.689568][ T1167] ip6_dst_alloc+0x23/0x90 [ 7712.689568][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7712.689568][ T1167] ip6_pol_route+0x56f/0x840 [ 7712.689568][ T1167] fib6_rule_lookup+0x334/0x630 [ 7712.689568][ T1167] ip6_route_output_flags+0x259/0x480 [ 7712.689568][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7712.689568][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7712.689568][ T1167] netlink_rcv_skb+0x130/0x360 [ 7712.689568][ T1167] netlink_unicast+0x449/0x710 [ 7712.689568][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7712.689568][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7712.689568][ T1167] ___sys_sendmsg+0xee/0x170 [ 7712.689568][ T1167] __sys_sendmsg+0xcd/0x170 [ 7712.689568][ T1167] do_syscall_64+0xc6/0x1e0 [ 7712.689568][ T1167] [ 7712.691777][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7712.691777][ T1167] netdev_get_by_index+0x5e/0x80 [ 7712.691777][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7712.691777][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7712.691777][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7712.691777][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7712.691777][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7712.691777][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7712.691777][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7712.691777][ T1167] addrconf_dad_begin+0x310/0x670 [ 7712.691777][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7712.691777][ T1167] process_one_work+0x84d/0x18a0 [ 7712.691777][ T1167] worker_thread+0x587/0xd30 [ 7712.691777][ T1167] kthread+0x28a/0x350 [ 7712.691777][ T1167] ret_from_fork+0x31/0x70 [ 7712.691777][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7712.691777][ T1167] [ 7712.693935][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7712.693935][ T1167] netdev_get_by_index+0x5e/0x80 [ 7712.693935][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7712.693935][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7712.693935][ T1167] ip6_route_add+0x1c/0x140 [ 7712.693935][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7712.693935][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7712.693935][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7712.693935][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7712.693935][ T1167] netlink_rcv_skb+0x130/0x360 [ 7712.693935][ T1167] netlink_unicast+0x449/0x710 [ 7712.693935][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7712.693935][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7712.693935][ T1167] ___sys_sendmsg+0xee/0x170 [ 7712.693935][ T1167] __sys_sendmsg+0xcd/0x170 [ 7712.693935][ T1167] do_syscall_64+0xc6/0x1e0 [ 7712.693935][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7712.693935][ T1167] [ 7712.696190][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7712.696190][ T1167] netdev_get_by_index+0x5e/0x80 [ 7712.696190][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7712.696190][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7712.696190][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7712.696190][ T1167] ipv6_add_addr+0x411/0x2000 [ 7712.696190][ T1167] inet6_addr_add+0x30e/0xa40 [ 7712.696190][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7712.696190][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7712.696190][ T1167] netlink_rcv_skb+0x130/0x360 [ 7712.696190][ T1167] netlink_unicast+0x449/0x710 [ 7712.696190][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7712.696190][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7712.696190][ T1167] ___sys_sendmsg+0xee/0x170 [ 7712.696190][ T1167] __sys_sendmsg+0xcd/0x170 [ 7712.696190][ T1167] do_syscall_64+0xc6/0x1e0 [ 7712.696190][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7712.696190][ T1167] [ 7712.698426][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7712.698426][ T1167] netdev_get_by_index+0x5e/0x80 [ 7712.698426][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7712.698426][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7712.698426][ T1167] ip6_route_add+0x1c/0x140 [ 7712.698426][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7712.698426][ T1167] addrconf_add_dev+0xe2/0x170 [ 7712.698426][ T1167] inet6_addr_add+0x12f/0xa40 [ 7712.698426][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7712.698426][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7712.698426][ T1167] netlink_rcv_skb+0x130/0x360 [ 7712.698426][ T1167] netlink_unicast+0x449/0x710 [ 7712.698426][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7712.698426][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7712.698426][ T1167] ___sys_sendmsg+0xee/0x170 [ 7712.698426][ T1167] __sys_sendmsg+0xcd/0x170 [ 7712.698426][ T1167] do_syscall_64+0xc6/0x1e0 [ 7712.698426][ T1167] [ 7712.700624][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7712.700624][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7712.700624][ T1167] ipv6_find_idev+0x102/0x170 [ 7712.700624][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7712.700624][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7712.700624][ T1167] netlink_rcv_skb+0x130/0x360 [ 7712.700624][ T1167] netlink_unicast+0x449/0x710 [ 7712.700624][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7712.700624][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7712.700624][ T1167] ___sys_sendmsg+0xee/0x170 [ 7712.700624][ T1167] __sys_sendmsg+0xcd/0x170 [ 7712.700624][ T1167] do_syscall_64+0xc6/0x1e0 [ 7712.700624][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7712.700624][ T1167] [ 7712.702355][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7712.702355][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7712.702355][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7712.702355][ T1167] ipv6_find_idev+0x102/0x170 [ 7712.702355][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7712.702355][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7712.702355][ T1167] netlink_rcv_skb+0x130/0x360 [ 7712.702355][ T1167] netlink_unicast+0x449/0x710 [ 7712.702355][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7712.702355][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7712.702355][ T1167] ___sys_sendmsg+0xee/0x170 [ 7712.702355][ T1167] __sys_sendmsg+0xcd/0x170 [ 7712.702355][ T1167] do_syscall_64+0xc6/0x1e0 [ 7712.702355][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7712.702355][ T1167] [ 7721.649094][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7721.649620][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7721.649620][ T10] netdev_get_by_index+0x5e/0x80 [ 7721.649620][ T10] fib6_nh_init+0x3d8/0x1580 [ 7721.649620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7721.649620][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7721.649620][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7721.649620][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7721.649620][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7721.649620][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7721.649620][ T10] addrconf_dad_begin+0x310/0x670 [ 7721.649620][ T10] addrconf_dad_work+0x10b/0xab0 [ 7721.649620][ T10] process_one_work+0x84d/0x18a0 [ 7721.649620][ T10] worker_thread+0x587/0xd30 [ 7721.649620][ T10] kthread+0x28a/0x350 [ 7721.649620][ T10] ret_from_fork+0x31/0x70 [ 7721.649620][ T10] ret_from_fork_asm+0x1a/0x30 [ 7721.649620][ T10] [ 7721.652629][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7721.652629][ T10] netdev_get_by_index+0x5e/0x80 [ 7721.652629][ T10] fib6_nh_init+0x3d8/0x1580 [ 7721.652629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7721.652629][ T10] ip6_route_add+0x1c/0x140 [ 7721.652629][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7721.652629][ T10] inet6_addr_add+0x4f8/0xa40 [ 7721.652629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7721.652629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7721.652629][ T10] netlink_rcv_skb+0x130/0x360 [ 7721.652629][ T10] netlink_unicast+0x449/0x710 [ 7721.652629][ T10] netlink_sendmsg+0x723/0xbe0 [ 7721.652629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7721.652629][ T10] ___sys_sendmsg+0xee/0x170 [ 7721.652629][ T10] __sys_sendmsg+0xcd/0x170 [ 7721.652629][ T10] do_syscall_64+0xc6/0x1e0 [ 7721.652629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7721.652629][ T10] [ 7721.655810][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7721.655810][ T10] netdev_get_by_index+0x5e/0x80 [ 7721.655810][ T10] fib6_nh_init+0x3d8/0x1580 [ 7721.655810][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7721.655810][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7721.655810][ T10] ipv6_add_addr+0x411/0x2000 [ 7721.655810][ T10] inet6_addr_add+0x30e/0xa40 [ 7721.655810][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7721.655810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7721.655810][ T10] netlink_rcv_skb+0x130/0x360 [ 7721.655810][ T10] netlink_unicast+0x449/0x710 [ 7721.655810][ T10] netlink_sendmsg+0x723/0xbe0 [ 7721.655810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7721.655810][ T10] ___sys_sendmsg+0xee/0x170 [ 7721.655810][ T10] __sys_sendmsg+0xcd/0x170 [ 7721.655810][ T10] do_syscall_64+0xc6/0x1e0 [ 7721.655810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7721.655810][ T10] [ 7721.658941][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7721.658941][ T10] netdev_get_by_index+0x5e/0x80 [ 7721.658941][ T10] fib6_nh_init+0x3d8/0x1580 [ 7721.658941][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7721.658941][ T10] ip6_route_add+0x1c/0x140 [ 7721.658941][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7721.658941][ T10] addrconf_add_dev+0xe2/0x170 [ 7721.658941][ T10] inet6_addr_add+0x12f/0xa40 [ 7721.658941][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7721.658941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7721.658941][ T10] netlink_rcv_skb+0x130/0x360 [ 7721.658941][ T10] netlink_unicast+0x449/0x710 [ 7721.658941][ T10] netlink_sendmsg+0x723/0xbe0 [ 7721.658941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7721.658941][ T10] ___sys_sendmsg+0xee/0x170 [ 7721.658941][ T10] __sys_sendmsg+0xcd/0x170 [ 7721.658941][ T10] do_syscall_64+0xc6/0x1e0 [ 7721.658941][ T10] [ 7721.662049][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7721.662049][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7721.662049][ T10] ipv6_find_idev+0x102/0x170 [ 7721.662049][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7721.662049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7721.662049][ T10] netlink_rcv_skb+0x130/0x360 [ 7721.662049][ T10] netlink_unicast+0x449/0x710 [ 7721.662049][ T10] netlink_sendmsg+0x723/0xbe0 [ 7721.662049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7721.662049][ T10] ___sys_sendmsg+0xee/0x170 [ 7721.662049][ T10] __sys_sendmsg+0xcd/0x170 [ 7721.662049][ T10] do_syscall_64+0xc6/0x1e0 [ 7721.662049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7721.662049][ T10] [ 7721.664418][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7721.664418][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7721.664418][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7721.664418][ T10] ipv6_find_idev+0x102/0x170 [ 7721.664418][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7721.664418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7721.664418][ T10] netlink_rcv_skb+0x130/0x360 [ 7721.664418][ T10] netlink_unicast+0x449/0x710 [ 7721.664418][ T10] netlink_sendmsg+0x723/0xbe0 [ 7721.664418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7721.664418][ T10] ___sys_sendmsg+0xee/0x170 [ 7721.664418][ T10] __sys_sendmsg+0xcd/0x170 [ 7721.664418][ T10] do_syscall_64+0xc6/0x1e0 [ 7721.664418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7721.664418][ T10] [ 7721.666939][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7721.667330][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7721.667330][ T10] netdev_get_by_index+0x5e/0x80 [ 7721.667330][ T10] fib6_nh_init+0x3d8/0x1580 [ 7721.667330][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7721.667330][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7721.667330][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7721.667330][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7721.667330][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7721.667330][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7721.667330][ T10] addrconf_dad_begin+0x310/0x670 [ 7721.667330][ T10] addrconf_dad_work+0x10b/0xab0 [ 7721.667330][ T10] process_one_work+0x84d/0x18a0 [ 7721.667330][ T10] worker_thread+0x587/0xd30 [ 7721.667330][ T10] kthread+0x28a/0x350 [ 7721.667330][ T10] ret_from_fork+0x31/0x70 [ 7721.667330][ T10] ret_from_fork_asm+0x1a/0x30 [ 7721.667330][ T10] [ 7721.670257][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7721.670257][ T10] netdev_get_by_index+0x5e/0x80 [ 7721.670257][ T10] fib6_nh_init+0x3d8/0x1580 [ 7721.670257][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7721.670257][ T10] ip6_route_add+0x1c/0x140 [ 7721.670257][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7721.670257][ T10] inet6_addr_add+0x4f8/0xa40 [ 7721.670257][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7721.670257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7721.670257][ T10] netlink_rcv_skb+0x130/0x360 [ 7721.670257][ T10] netlink_unicast+0x449/0x710 [ 7721.670257][ T10] netlink_sendmsg+0x723/0xbe0 [ 7721.670257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7721.670257][ T10] ___sys_sendmsg+0xee/0x170 [ 7721.670257][ T10] __sys_sendmsg+0xcd/0x170 [ 7721.670257][ T10] do_syscall_64+0xc6/0x1e0 [ 7721.670257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7721.670257][ T10] [ 7721.673331][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7721.673331][ T10] netdev_get_by_index+0x5e/0x80 [ 7721.673331][ T10] fib6_nh_init+0x3d8/0x1580 [ 7721.673331][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7721.673331][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7721.673331][ T10] ipv6_add_addr+0x411/0x2000 [ 7721.673331][ T10] inet6_addr_add+0x30e/0xa40 [ 7721.673331][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7721.673331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7721.673331][ T10] netlink_rcv_skb+0x130/0x360 [ 7721.673331][ T10] netlink_unicast+0x449/0x710 [ 7721.673331][ T10] netlink_sendmsg+0x723/0xbe0 [ 7721.673331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7721.673331][ T10] ___sys_sendmsg+0xee/0x170 [ 7721.673331][ T10] __sys_sendmsg+0xcd/0x170 [ 7721.673331][ T10] do_syscall_64+0xc6/0x1e0 [ 7721.673331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7721.673331][ T10] [ 7721.676460][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7721.676460][ T10] netdev_get_by_index+0x5e/0x80 [ 7721.676460][ T10] fib6_nh_init+0x3d8/0x1580 [ 7721.676460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7721.676460][ T10] ip6_route_add+0x1c/0x140 [ 7721.676460][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7721.676460][ T10] addrconf_add_dev+0xe2/0x170 [ 7721.676460][ T10] inet6_addr_add+0x12f/0xa40 [ 7721.676460][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7721.676460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7721.676460][ T10] netlink_rcv_skb+0x130/0x360 [ 7721.676460][ T10] netlink_unicast+0x449/0x710 [ 7721.676460][ T10] netlink_sendmsg+0x723/0xbe0 [ 7721.676460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7721.676460][ T10] ___sys_sendmsg+0xee/0x170 [ 7721.676460][ T10] __sys_sendmsg+0xcd/0x170 [ 7721.676460][ T10] do_syscall_64+0xc6/0x1e0 [ 7721.676460][ T10] [ 7721.679563][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7721.679563][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7721.679563][ T10] ipv6_find_idev+0x102/0x170 [ 7721.679563][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7721.679563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7721.679563][ T10] netlink_rcv_skb+0x130/0x360 [ 7721.679563][ T10] netlink_unicast+0x449/0x710 [ 7721.679563][ T10] netlink_sendmsg+0x723/0xbe0 [ 7721.679563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7721.679563][ T10] ___sys_sendmsg+0xee/0x170 [ 7721.679563][ T10] __sys_sendmsg+0xcd/0x170 [ 7721.679563][ T10] do_syscall_64+0xc6/0x1e0 [ 7721.679563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7721.679563][ T10] [ 7721.681961][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7721.681961][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7721.681961][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7721.681961][ T10] ipv6_find_idev+0x102/0x170 [ 7721.681961][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7721.681961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7721.681961][ T10] netlink_rcv_skb+0x130/0x360 [ 7721.681961][ T10] netlink_unicast+0x449/0x710 [ 7721.681961][ T10] netlink_sendmsg+0x723/0xbe0 [ 7721.681961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7721.681961][ T10] ___sys_sendmsg+0xee/0x170 [ 7721.681961][ T10] __sys_sendmsg+0xcd/0x170 [ 7721.681961][ T10] do_syscall_64+0xc6/0x1e0 [ 7721.681961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7721.681961][ T10] [ 7721.684624][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7721.685006][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7721.685006][ T10] netdev_get_by_index+0x5e/0x80 [ 7721.685006][ T10] fib6_nh_init+0x3d8/0x1580 [ 7721.685006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7721.685006][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7721.685006][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7721.685006][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7721.685006][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7721.685006][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7721.685006][ T10] addrconf_dad_begin+0x310/0x670 [ 7721.685006][ T10] addrconf_dad_work+0x10b/0xab0 [ 7721.685006][ T10] process_one_work+0x84d/0x18a0 [ 7721.685006][ T10] worker_thread+0x587/0xd30 [ 7721.685006][ T10] kthread+0x28a/0x350 [ 7721.685006][ T10] ret_from_fork+0x31/0x70 [ 7721.685006][ T10] ret_from_fork_asm+0x1a/0x30 [ 7721.685006][ T10] [ 7721.687992][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7721.687992][ T10] netdev_get_by_index+0x5e/0x80 [ 7721.687992][ T10] fib6_nh_init+0x3d8/0x1580 [ 7721.687992][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7721.687992][ T10] ip6_route_add+0x1c/0x140 [ 7721.687992][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7721.687992][ T10] inet6_addr_add+0x4f8/0xa40 [ 7721.687992][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7721.687992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7721.687992][ T10] netlink_rcv_skb+0x130/0x360 [ 7721.687992][ T10] netlink_unicast+0x449/0x710 [ 7721.687992][ T10] netlink_sendmsg+0x723/0xbe0 [ 7721.687992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7721.687992][ T10] ___sys_sendmsg+0xee/0x170 [ 7721.687992][ T10] __sys_sendmsg+0xcd/0x170 [ 7721.687992][ T10] do_syscall_64+0xc6/0x1e0 [ 7721.687992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7721.687992][ T10] [ 7721.691440][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7721.691440][ T10] netdev_get_by_index+0x5e/0x80 [ 7721.691440][ T10] fib6_nh_init+0x3d8/0x1580 [ 7721.691440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7721.691440][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7721.691440][ T10] ipv6_add_addr+0x411/0x2000 [ 7721.691440][ T10] inet6_addr_add+0x30e/0xa40 [ 7721.691440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7721.691440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7721.691440][ T10] netlink_rcv_skb+0x130/0x360 [ 7721.691440][ T10] netlink_unicast+0x449/0x710 [ 7721.691440][ T10] netlink_sendmsg+0x723/0xbe0 [ 7721.691440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7721.691440][ T10] ___sys_sendmsg+0xee/0x170 [ 7721.691440][ T10] __sys_sendmsg+0xcd/0x170 [ 7721.691440][ T10] do_syscall_64+0xc6/0x1e0 [ 7721.691440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7721.691440][ T10] [ 7721.694987][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7721.694987][ T10] netdev_get_by_index+0x5e/0x80 [ 7721.694987][ T10] fib6_nh_init+0x3d8/0x1580 [ 7721.694987][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7721.694987][ T10] ip6_route_add+0x1c/0x140 [ 7721.694987][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7721.694987][ T10] addrconf_add_dev+0xe2/0x170 [ 7721.694987][ T10] inet6_addr_add+0x12f/0xa40 [ 7721.694987][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7721.694987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7721.694987][ T10] netlink_rcv_skb+0x130/0x360 [ 7721.694987][ T10] netlink_unicast+0x449/0x710 [ 7721.694987][ T10] netlink_sendmsg+0x723/0xbe0 [ 7721.694987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7721.694987][ T10] ___sys_sendmsg+0xee/0x170 [ 7721.694987][ T10] __sys_sendmsg+0xcd/0x170 [ 7721.694987][ T10] do_syscall_64+0xc6/0x1e0 [ 7721.694987][ T10] [ 7721.698181][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7721.698181][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7721.698181][ T10] ipv6_find_idev+0x102/0x170 [ 7721.698181][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7721.698181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7721.698181][ T10] netlink_rcv_skb+0x130/0x360 [ 7721.698181][ T10] netlink_unicast+0x449/0x710 [ 7721.698181][ T10] netlink_sendmsg+0x723/0xbe0 [ 7721.698181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7721.698181][ T10] ___sys_sendmsg+0xee/0x170 [ 7721.698181][ T10] __sys_sendmsg+0xcd/0x170 [ 7721.698181][ T10] do_syscall_64+0xc6/0x1e0 [ 7721.698181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7721.698181][ T10] [ 7721.700610][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7721.700610][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7721.700610][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7721.700610][ T10] ipv6_find_idev+0x102/0x170 [ 7721.700610][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7721.700610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7721.700610][ T10] netlink_rcv_skb+0x130/0x360 [ 7721.700610][ T10] netlink_unicast+0x449/0x710 [ 7721.700610][ T10] netlink_sendmsg+0x723/0xbe0 [ 7721.700610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7721.700610][ T10] ___sys_sendmsg+0xee/0x170 [ 7721.700610][ T10] __sys_sendmsg+0xcd/0x170 [ 7721.700610][ T10] do_syscall_64+0xc6/0x1e0 [ 7721.700610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7721.700610][ T10] [ 7721.703527][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7721.703903][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7721.703903][ T10] netdev_get_by_index+0x5e/0x80 [ 7721.703903][ T10] fib6_nh_init+0x3d8/0x1580 [ 7721.703903][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7721.703903][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7721.703903][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7721.703903][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7721.703903][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7721.703903][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7721.703903][ T10] addrconf_dad_begin+0x310/0x670 [ 7721.703903][ T10] addrconf_dad_work+0x10b/0xab0 [ 7721.703903][ T10] process_one_work+0x84d/0x18a0 [ 7721.703903][ T10] worker_thread+0x587/0xd30 [ 7721.703903][ T10] kthread+0x28a/0x350 [ 7721.703903][ T10] ret_from_fork+0x31/0x70 [ 7721.703903][ T10] ret_from_fork_asm+0x1a/0x30 [ 7721.703903][ T10] [ 7721.707119][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7721.707119][ T10] netdev_get_by_index+0x5e/0x80 [ 7721.707119][ T10] fib6_nh_init+0x3d8/0x1580 [ 7721.707119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7721.707119][ T10] ip6_route_add+0x1c/0x140 [ 7721.707119][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7721.707119][ T10] inet6_addr_add+0x4f8/0xa40 [ 7721.707119][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7721.707119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7721.707119][ T10] netlink_rcv_skb+0x130/0x360 [ 7721.707119][ T10] netlink_unicast+0x449/0x710 [ 7721.707119][ T10] netlink_sendmsg+0x723/0xbe0 [ 7721.707119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7721.707119][ T10] ___sys_sendmsg+0xee/0x170 [ 7721.707119][ T10] __sys_sendmsg+0xcd/0x170 [ 7721.707119][ T10] do_syscall_64+0xc6/0x1e0 [ 7721.707119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7721.707119][ T10] [ 7721.710509][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7721.710509][ T10] netdev_get_by_index+0x5e/0x80 [ 7721.710509][ T10] fib6_nh_init+0x3d8/0x1580 [ 7721.710509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7721.710509][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7721.710509][ T10] ipv6_add_addr+0x411/0x2000 [ 7721.710509][ T10] inet6_addr_add+0x30e/0xa40 [ 7721.710509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7721.710509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7721.710509][ T10] netlink_rcv_skb+0x130/0x360 [ 7721.710509][ T10] netlink_unicast+0x449/0x710 [ 7721.710509][ T10] netlink_sendmsg+0x723/0xbe0 [ 7721.710509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7721.710509][ T10] ___sys_sendmsg+0xee/0x170 [ 7721.710509][ T10] __sys_sendmsg+0xcd/0x170 [ 7721.710509][ T10] do_syscall_64+0xc6/0x1e0 [ 7721.710509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7721.710509][ T10] [ 7721.713856][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7721.713856][ T10] netdev_get_by_index+0x5e/0x80 [ 7721.713856][ T10] fib6_nh_init+0x3d8/0x1580 [ 7721.713856][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7721.713856][ T10] ip6_route_add+0x1c/0x140 [ 7721.713856][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7721.713856][ T10] addrconf_add_dev+0xe2/0x170 [ 7721.713856][ T10] inet6_addr_add+0x12f/0xa40 [ 7721.713856][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7721.713856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7721.713856][ T10] netlink_rcv_skb+0x130/0x360 [ 7721.713856][ T10] netlink_unicast+0x449/0x710 [ 7721.713856][ T10] netlink_sendmsg+0x723/0xbe0 [ 7721.713856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7721.713856][ T10] ___sys_sendmsg+0xee/0x170 [ 7721.713856][ T10] __sys_sendmsg+0xcd/0x170 [ 7721.713856][ T10] do_syscall_64+0xc6/0x1e0 [ 7721.713856][ T10] [ 7721.717156][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7721.717156][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7721.717156][ T10] ipv6_find_idev+0x102/0x170 [ 7721.717156][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7721.717156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7721.717156][ T10] netlink_rcv_skb+0x130/0x360 [ 7721.717156][ T10] netlink_unicast+0x449/0x710 [ 7721.717156][ T10] netlink_sendmsg+0x723/0xbe0 [ 7721.717156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7721.717156][ T10] ___sys_sendmsg+0xee/0x170 [ 7721.717156][ T10] __sys_sendmsg+0xcd/0x170 [ 7721.717156][ T10] do_syscall_64+0xc6/0x1e0 [ 7721.717156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7721.717156][ T10] [ 7721.719683][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7721.719683][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7721.719683][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7721.719683][ T10] ipv6_find_idev+0x102/0x170 [ 7721.719683][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7721.719683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7721.719683][ T10] netlink_rcv_skb+0x130/0x360 [ 7721.719683][ T10] netlink_unicast+0x449/0x710 [ 7721.719683][ T10] netlink_sendmsg+0x723/0xbe0 [ 7721.719683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7721.719683][ T10] ___sys_sendmsg+0xee/0x170 [ 7721.719683][ T10] __sys_sendmsg+0xcd/0x170 [ 7721.719683][ T10] do_syscall_64+0xc6/0x1e0 [ 7721.719683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7721.719683][ T10] [ 7722.745130][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7722.745554][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7722.745554][ T1167] dst_init+0x84/0x4a0 [ 7722.745554][ T1167] dst_alloc+0x97/0x150 [ 7722.745554][ T1167] ip6_dst_alloc+0x23/0x90 [ 7722.745554][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7722.745554][ T1167] ip6_pol_route+0x56f/0x840 [ 7722.745554][ T1167] fib6_rule_lookup+0x334/0x630 [ 7722.745554][ T1167] ip6_route_output_flags+0x259/0x480 [ 7722.745554][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7722.745554][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7722.745554][ T1167] netlink_rcv_skb+0x130/0x360 [ 7722.745554][ T1167] netlink_unicast+0x449/0x710 [ 7722.745554][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7722.745554][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7722.745554][ T1167] ___sys_sendmsg+0xee/0x170 [ 7722.745554][ T1167] __sys_sendmsg+0xcd/0x170 [ 7722.745554][ T1167] do_syscall_64+0xc6/0x1e0 [ 7722.745554][ T1167] [ 7722.747737][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7722.747737][ T1167] netdev_get_by_index+0x5e/0x80 [ 7722.747737][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7722.747737][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7722.747737][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7722.747737][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7722.747737][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7722.747737][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7722.747737][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7722.747737][ T1167] addrconf_dad_begin+0x310/0x670 [ 7722.747737][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7722.747737][ T1167] process_one_work+0x84d/0x18a0 [ 7722.747737][ T1167] worker_thread+0x587/0xd30 [ 7722.747737][ T1167] kthread+0x28a/0x350 [ 7722.747737][ T1167] ret_from_fork+0x31/0x70 [ 7722.747737][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7722.747737][ T1167] [ 7722.749965][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7722.749965][ T1167] netdev_get_by_index+0x5e/0x80 [ 7722.749965][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7722.749965][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7722.749965][ T1167] ip6_route_add+0x1c/0x140 [ 7722.749965][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7722.749965][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7722.749965][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7722.749965][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7722.749965][ T1167] netlink_rcv_skb+0x130/0x360 [ 7722.749965][ T1167] netlink_unicast+0x449/0x710 [ 7722.749965][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7722.749965][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7722.749965][ T1167] ___sys_sendmsg+0xee/0x170 [ 7722.749965][ T1167] __sys_sendmsg+0xcd/0x170 [ 7722.749965][ T1167] do_syscall_64+0xc6/0x1e0 [ 7722.749965][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7722.749965][ T1167] [ 7722.752197][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7722.752197][ T1167] netdev_get_by_index+0x5e/0x80 [ 7722.752197][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7722.752197][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7722.752197][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7722.752197][ T1167] ipv6_add_addr+0x411/0x2000 [ 7722.752197][ T1167] inet6_addr_add+0x30e/0xa40 [ 7722.752197][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7722.752197][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7722.752197][ T1167] netlink_rcv_skb+0x130/0x360 [ 7722.752197][ T1167] netlink_unicast+0x449/0x710 [ 7722.752197][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7722.752197][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7722.752197][ T1167] ___sys_sendmsg+0xee/0x170 [ 7722.752197][ T1167] __sys_sendmsg+0xcd/0x170 [ 7722.752197][ T1167] do_syscall_64+0xc6/0x1e0 [ 7722.752197][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7722.752197][ T1167] [ 7722.754427][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7722.754427][ T1167] netdev_get_by_index+0x5e/0x80 [ 7722.754427][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7722.754427][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7722.754427][ T1167] ip6_route_add+0x1c/0x140 [ 7722.754427][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7722.754427][ T1167] addrconf_add_dev+0xe2/0x170 [ 7722.754427][ T1167] inet6_addr_add+0x12f/0xa40 [ 7722.754427][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7722.754427][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7722.754427][ T1167] netlink_rcv_skb+0x130/0x360 [ 7722.754427][ T1167] netlink_unicast+0x449/0x710 [ 7722.754427][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7722.754427][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7722.754427][ T1167] ___sys_sendmsg+0xee/0x170 [ 7722.754427][ T1167] __sys_sendmsg+0xcd/0x170 [ 7722.754427][ T1167] do_syscall_64+0xc6/0x1e0 [ 7722.754427][ T1167] [ 7722.756614][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7722.756614][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7722.756614][ T1167] ipv6_find_idev+0x102/0x170 [ 7722.756614][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7722.756614][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7722.756614][ T1167] netlink_rcv_skb+0x130/0x360 [ 7722.756614][ T1167] netlink_unicast+0x449/0x710 [ 7722.756614][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7722.756614][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7722.756614][ T1167] ___sys_sendmsg+0xee/0x170 [ 7722.756614][ T1167] __sys_sendmsg+0xcd/0x170 [ 7722.756614][ T1167] do_syscall_64+0xc6/0x1e0 [ 7722.756614][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7722.756614][ T1167] [ 7722.758326][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7722.758326][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7722.758326][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7722.758326][ T1167] ipv6_find_idev+0x102/0x170 [ 7722.758326][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7722.758326][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7722.758326][ T1167] netlink_rcv_skb+0x130/0x360 [ 7722.758326][ T1167] netlink_unicast+0x449/0x710 [ 7722.758326][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7722.758326][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7722.758326][ T1167] ___sys_sendmsg+0xee/0x170 [ 7722.758326][ T1167] __sys_sendmsg+0xcd/0x170 [ 7722.758326][ T1167] do_syscall_64+0xc6/0x1e0 [ 7722.758326][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7722.758326][ T1167] [ 7731.769143][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7731.769654][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7731.769654][ T10] netdev_get_by_index+0x5e/0x80 [ 7731.769654][ T10] fib6_nh_init+0x3d8/0x1580 [ 7731.769654][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7731.769654][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7731.769654][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7731.769654][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7731.769654][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7731.769654][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7731.769654][ T10] addrconf_dad_begin+0x310/0x670 [ 7731.769654][ T10] addrconf_dad_work+0x10b/0xab0 [ 7731.769654][ T10] process_one_work+0x84d/0x18a0 [ 7731.769654][ T10] worker_thread+0x587/0xd30 [ 7731.769654][ T10] kthread+0x28a/0x350 [ 7731.769654][ T10] ret_from_fork+0x31/0x70 [ 7731.769654][ T10] ret_from_fork_asm+0x1a/0x30 [ 7731.769654][ T10] [ 7731.772635][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7731.772635][ T10] netdev_get_by_index+0x5e/0x80 [ 7731.772635][ T10] fib6_nh_init+0x3d8/0x1580 [ 7731.772635][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7731.772635][ T10] ip6_route_add+0x1c/0x140 [ 7731.772635][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7731.772635][ T10] inet6_addr_add+0x4f8/0xa40 [ 7731.772635][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7731.772635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7731.772635][ T10] netlink_rcv_skb+0x130/0x360 [ 7731.772635][ T10] netlink_unicast+0x449/0x710 [ 7731.772635][ T10] netlink_sendmsg+0x723/0xbe0 [ 7731.772635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7731.772635][ T10] ___sys_sendmsg+0xee/0x170 [ 7731.772635][ T10] __sys_sendmsg+0xcd/0x170 [ 7731.772635][ T10] do_syscall_64+0xc6/0x1e0 [ 7731.772635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7731.772635][ T10] [ 7731.775655][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7731.775655][ T10] netdev_get_by_index+0x5e/0x80 [ 7731.775655][ T10] fib6_nh_init+0x3d8/0x1580 [ 7731.775655][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7731.775655][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7731.775655][ T10] ipv6_add_addr+0x411/0x2000 [ 7731.775655][ T10] inet6_addr_add+0x30e/0xa40 [ 7731.775655][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7731.775655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7731.775655][ T10] netlink_rcv_skb+0x130/0x360 [ 7731.775655][ T10] netlink_unicast+0x449/0x710 [ 7731.775655][ T10] netlink_sendmsg+0x723/0xbe0 [ 7731.775655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7731.775655][ T10] ___sys_sendmsg+0xee/0x170 [ 7731.775655][ T10] __sys_sendmsg+0xcd/0x170 [ 7731.775655][ T10] do_syscall_64+0xc6/0x1e0 [ 7731.775655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7731.775655][ T10] [ 7731.778623][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7731.778623][ T10] netdev_get_by_index+0x5e/0x80 [ 7731.778623][ T10] fib6_nh_init+0x3d8/0x1580 [ 7731.778623][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7731.778623][ T10] ip6_route_add+0x1c/0x140 [ 7731.778623][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7731.778623][ T10] addrconf_add_dev+0xe2/0x170 [ 7731.778623][ T10] inet6_addr_add+0x12f/0xa40 [ 7731.778623][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7731.778623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7731.778623][ T10] netlink_rcv_skb+0x130/0x360 [ 7731.778623][ T10] netlink_unicast+0x449/0x710 [ 7731.778623][ T10] netlink_sendmsg+0x723/0xbe0 [ 7731.778623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7731.778623][ T10] ___sys_sendmsg+0xee/0x170 [ 7731.778623][ T10] __sys_sendmsg+0xcd/0x170 [ 7731.778623][ T10] do_syscall_64+0xc6/0x1e0 [ 7731.778623][ T10] [ 7731.781482][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7731.781482][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7731.781482][ T10] ipv6_find_idev+0x102/0x170 [ 7731.781482][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7731.781482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7731.781482][ T10] netlink_rcv_skb+0x130/0x360 [ 7731.781482][ T10] netlink_unicast+0x449/0x710 [ 7731.781482][ T10] netlink_sendmsg+0x723/0xbe0 [ 7731.781482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7731.781482][ T10] ___sys_sendmsg+0xee/0x170 [ 7731.781482][ T10] __sys_sendmsg+0xcd/0x170 [ 7731.781482][ T10] do_syscall_64+0xc6/0x1e0 [ 7731.781482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7731.781482][ T10] [ 7731.783875][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7731.783875][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7731.783875][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7731.783875][ T10] ipv6_find_idev+0x102/0x170 [ 7731.783875][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7731.783875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7731.783875][ T10] netlink_rcv_skb+0x130/0x360 [ 7731.783875][ T10] netlink_unicast+0x449/0x710 [ 7731.783875][ T10] netlink_sendmsg+0x723/0xbe0 [ 7731.783875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7731.783875][ T10] ___sys_sendmsg+0xee/0x170 [ 7731.783875][ T10] __sys_sendmsg+0xcd/0x170 [ 7731.783875][ T10] do_syscall_64+0xc6/0x1e0 [ 7731.783875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7731.783875][ T10] [ 7731.786534][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7731.786933][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7731.786933][ T10] netdev_get_by_index+0x5e/0x80 [ 7731.786933][ T10] fib6_nh_init+0x3d8/0x1580 [ 7731.786933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7731.786933][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7731.786933][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7731.786933][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7731.786933][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7731.786933][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7731.786933][ T10] addrconf_dad_begin+0x310/0x670 [ 7731.786933][ T10] addrconf_dad_work+0x10b/0xab0 [ 7731.786933][ T10] process_one_work+0x84d/0x18a0 [ 7731.786933][ T10] worker_thread+0x587/0xd30 [ 7731.786933][ T10] kthread+0x28a/0x350 [ 7731.786933][ T10] ret_from_fork+0x31/0x70 [ 7731.786933][ T10] ret_from_fork_asm+0x1a/0x30 [ 7731.786933][ T10] [ 7731.789885][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7731.789885][ T10] netdev_get_by_index+0x5e/0x80 [ 7731.789885][ T10] fib6_nh_init+0x3d8/0x1580 [ 7731.789885][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7731.789885][ T10] ip6_route_add+0x1c/0x140 [ 7731.789885][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7731.789885][ T10] inet6_addr_add+0x4f8/0xa40 [ 7731.789885][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7731.789885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7731.789885][ T10] netlink_rcv_skb+0x130/0x360 [ 7731.789885][ T10] netlink_unicast+0x449/0x710 [ 7731.789885][ T10] netlink_sendmsg+0x723/0xbe0 [ 7731.789885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7731.789885][ T10] ___sys_sendmsg+0xee/0x170 [ 7731.789885][ T10] __sys_sendmsg+0xcd/0x170 [ 7731.789885][ T10] do_syscall_64+0xc6/0x1e0 [ 7731.789885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7731.789885][ T10] [ 7731.792845][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7731.792845][ T10] netdev_get_by_index+0x5e/0x80 [ 7731.792845][ T10] fib6_nh_init+0x3d8/0x1580 [ 7731.792845][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7731.792845][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7731.792845][ T10] ipv6_add_addr+0x411/0x2000 [ 7731.792845][ T10] inet6_addr_add+0x30e/0xa40 [ 7731.792845][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7731.792845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7731.792845][ T10] netlink_rcv_skb+0x130/0x360 [ 7731.792845][ T10] netlink_unicast+0x449/0x710 [ 7731.792845][ T10] netlink_sendmsg+0x723/0xbe0 [ 7731.792845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7731.792845][ T10] ___sys_sendmsg+0xee/0x170 [ 7731.792845][ T10] __sys_sendmsg+0xcd/0x170 [ 7731.792845][ T10] do_syscall_64+0xc6/0x1e0 [ 7731.792845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7731.792845][ T10] [ 7731.795771][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7731.795771][ T10] netdev_get_by_index+0x5e/0x80 [ 7731.795771][ T10] fib6_nh_init+0x3d8/0x1580 [ 7731.795771][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7731.795771][ T10] ip6_route_add+0x1c/0x140 [ 7731.795771][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7731.795771][ T10] addrconf_add_dev+0xe2/0x170 [ 7731.795771][ T10] inet6_addr_add+0x12f/0xa40 [ 7731.795771][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7731.795771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7731.795771][ T10] netlink_rcv_skb+0x130/0x360 [ 7731.795771][ T10] netlink_unicast+0x449/0x710 [ 7731.795771][ T10] netlink_sendmsg+0x723/0xbe0 [ 7731.795771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7731.795771][ T10] ___sys_sendmsg+0xee/0x170 [ 7731.795771][ T10] __sys_sendmsg+0xcd/0x170 [ 7731.795771][ T10] do_syscall_64+0xc6/0x1e0 [ 7731.795771][ T10] [ 7731.798644][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7731.798644][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7731.798644][ T10] ipv6_find_idev+0x102/0x170 [ 7731.798644][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7731.798644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7731.798644][ T10] netlink_rcv_skb+0x130/0x360 [ 7731.798644][ T10] netlink_unicast+0x449/0x710 [ 7731.798644][ T10] netlink_sendmsg+0x723/0xbe0 [ 7731.798644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7731.798644][ T10] ___sys_sendmsg+0xee/0x170 [ 7731.798644][ T10] __sys_sendmsg+0xcd/0x170 [ 7731.798644][ T10] do_syscall_64+0xc6/0x1e0 [ 7731.798644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7731.798644][ T10] [ 7731.800989][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7731.800989][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7731.800989][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7731.800989][ T10] ipv6_find_idev+0x102/0x170 [ 7731.800989][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7731.800989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7731.800989][ T10] netlink_rcv_skb+0x130/0x360 [ 7731.800989][ T10] netlink_unicast+0x449/0x710 [ 7731.800989][ T10] netlink_sendmsg+0x723/0xbe0 [ 7731.800989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7731.800989][ T10] ___sys_sendmsg+0xee/0x170 [ 7731.800989][ T10] __sys_sendmsg+0xcd/0x170 [ 7731.800989][ T10] do_syscall_64+0xc6/0x1e0 [ 7731.800989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7731.800989][ T10] [ 7731.803597][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7731.803971][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7731.803971][ T10] netdev_get_by_index+0x5e/0x80 [ 7731.803971][ T10] fib6_nh_init+0x3d8/0x1580 [ 7731.803971][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7731.803971][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7731.803971][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7731.803971][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7731.803971][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7731.803971][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7731.803971][ T10] addrconf_dad_begin+0x310/0x670 [ 7731.803971][ T10] addrconf_dad_work+0x10b/0xab0 [ 7731.803971][ T10] process_one_work+0x84d/0x18a0 [ 7731.803971][ T10] worker_thread+0x587/0xd30 [ 7731.803971][ T10] kthread+0x28a/0x350 [ 7731.803971][ T10] ret_from_fork+0x31/0x70 [ 7731.803971][ T10] ret_from_fork_asm+0x1a/0x30 [ 7731.803971][ T10] [ 7731.806882][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7731.806882][ T10] netdev_get_by_index+0x5e/0x80 [ 7731.806882][ T10] fib6_nh_init+0x3d8/0x1580 [ 7731.806882][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7731.806882][ T10] ip6_route_add+0x1c/0x140 [ 7731.806882][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7731.806882][ T10] inet6_addr_add+0x4f8/0xa40 [ 7731.806882][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7731.806882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7731.806882][ T10] netlink_rcv_skb+0x130/0x360 [ 7731.806882][ T10] netlink_unicast+0x449/0x710 [ 7731.806882][ T10] netlink_sendmsg+0x723/0xbe0 [ 7731.806882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7731.806882][ T10] ___sys_sendmsg+0xee/0x170 [ 7731.806882][ T10] __sys_sendmsg+0xcd/0x170 [ 7731.806882][ T10] do_syscall_64+0xc6/0x1e0 [ 7731.806882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7731.806882][ T10] [ 7731.810282][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7731.810282][ T10] netdev_get_by_index+0x5e/0x80 [ 7731.810282][ T10] fib6_nh_init+0x3d8/0x1580 [ 7731.810282][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7731.810282][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7731.810282][ T10] ipv6_add_addr+0x411/0x2000 [ 7731.810282][ T10] inet6_addr_add+0x30e/0xa40 [ 7731.810282][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7731.810282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7731.810282][ T10] netlink_rcv_skb+0x130/0x360 [ 7731.810282][ T10] netlink_unicast+0x449/0x710 [ 7731.810282][ T10] netlink_sendmsg+0x723/0xbe0 [ 7731.810282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7731.810282][ T10] ___sys_sendmsg+0xee/0x170 [ 7731.810282][ T10] __sys_sendmsg+0xcd/0x170 [ 7731.810282][ T10] do_syscall_64+0xc6/0x1e0 [ 7731.810282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7731.810282][ T10] [ 7731.813727][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7731.813727][ T10] netdev_get_by_index+0x5e/0x80 [ 7731.813727][ T10] fib6_nh_init+0x3d8/0x1580 [ 7731.813727][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7731.813727][ T10] ip6_route_add+0x1c/0x140 [ 7731.813727][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7731.813727][ T10] addrconf_add_dev+0xe2/0x170 [ 7731.813727][ T10] inet6_addr_add+0x12f/0xa40 [ 7731.813727][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7731.813727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7731.813727][ T10] netlink_rcv_skb+0x130/0x360 [ 7731.813727][ T10] netlink_unicast+0x449/0x710 [ 7731.813727][ T10] netlink_sendmsg+0x723/0xbe0 [ 7731.813727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7731.813727][ T10] ___sys_sendmsg+0xee/0x170 [ 7731.813727][ T10] __sys_sendmsg+0xcd/0x170 [ 7731.813727][ T10] do_syscall_64+0xc6/0x1e0 [ 7731.813727][ T10] [ 7731.817035][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7731.817035][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7731.817035][ T10] ipv6_find_idev+0x102/0x170 [ 7731.817035][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7731.817035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7731.817035][ T10] netlink_rcv_skb+0x130/0x360 [ 7731.817035][ T10] netlink_unicast+0x449/0x710 [ 7731.817035][ T10] netlink_sendmsg+0x723/0xbe0 [ 7731.817035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7731.817035][ T10] ___sys_sendmsg+0xee/0x170 [ 7731.817035][ T10] __sys_sendmsg+0xcd/0x170 [ 7731.817035][ T10] do_syscall_64+0xc6/0x1e0 [ 7731.817035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7731.817035][ T10] [ 7731.820837][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7731.820837][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7731.820837][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7731.820837][ T10] ipv6_find_idev+0x102/0x170 [ 7731.820837][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7731.820837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7731.820837][ T10] netlink_rcv_skb+0x130/0x360 [ 7731.820837][ T10] netlink_unicast+0x449/0x710 [ 7731.820837][ T10] netlink_sendmsg+0x723/0xbe0 [ 7731.820837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7731.820837][ T10] ___sys_sendmsg+0xee/0x170 [ 7731.820837][ T10] __sys_sendmsg+0xcd/0x170 [ 7731.820837][ T10] do_syscall_64+0xc6/0x1e0 [ 7731.820837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7731.820837][ T10] [ 7731.823902][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7731.825136][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7731.825136][ T10] netdev_get_by_index+0x5e/0x80 [ 7731.825136][ T10] fib6_nh_init+0x3d8/0x1580 [ 7731.825136][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7731.825136][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7731.825136][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7731.825136][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7731.825136][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7731.825136][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7731.825136][ T10] addrconf_dad_begin+0x310/0x670 [ 7731.825136][ T10] addrconf_dad_work+0x10b/0xab0 [ 7731.825136][ T10] process_one_work+0x84d/0x18a0 [ 7731.825136][ T10] worker_thread+0x587/0xd30 [ 7731.825136][ T10] kthread+0x28a/0x350 [ 7731.825136][ T10] ret_from_fork+0x31/0x70 [ 7731.825136][ T10] ret_from_fork_asm+0x1a/0x30 [ 7731.825136][ T10] [ 7731.828082][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7731.828082][ T10] netdev_get_by_index+0x5e/0x80 [ 7731.828082][ T10] fib6_nh_init+0x3d8/0x1580 [ 7731.828082][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7731.828082][ T10] ip6_route_add+0x1c/0x140 [ 7731.828082][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7731.828082][ T10] inet6_addr_add+0x4f8/0xa40 [ 7731.828082][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7731.828082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7731.828082][ T10] netlink_rcv_skb+0x130/0x360 [ 7731.828082][ T10] netlink_unicast+0x449/0x710 [ 7731.828082][ T10] netlink_sendmsg+0x723/0xbe0 [ 7731.828082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7731.828082][ T10] ___sys_sendmsg+0xee/0x170 [ 7731.828082][ T10] __sys_sendmsg+0xcd/0x170 [ 7731.828082][ T10] do_syscall_64+0xc6/0x1e0 [ 7731.828082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7731.828082][ T10] [ 7731.831379][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7731.831379][ T10] netdev_get_by_index+0x5e/0x80 [ 7731.831379][ T10] fib6_nh_init+0x3d8/0x1580 [ 7731.831379][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7731.831379][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7731.831379][ T10] ipv6_add_addr+0x411/0x2000 [ 7731.831379][ T10] inet6_addr_add+0x30e/0xa40 [ 7731.831379][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7731.831379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7731.831379][ T10] netlink_rcv_skb+0x130/0x360 [ 7731.831379][ T10] netlink_unicast+0x449/0x710 [ 7731.831379][ T10] netlink_sendmsg+0x723/0xbe0 [ 7731.831379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7731.831379][ T10] ___sys_sendmsg+0xee/0x170 [ 7731.831379][ T10] __sys_sendmsg+0xcd/0x170 [ 7731.831379][ T10] do_syscall_64+0xc6/0x1e0 [ 7731.831379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7731.831379][ T10] [ 7731.834796][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7731.834796][ T10] netdev_get_by_index+0x5e/0x80 [ 7731.834796][ T10] fib6_nh_init+0x3d8/0x1580 [ 7731.834796][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7731.834796][ T10] ip6_route_add+0x1c/0x140 [ 7731.834796][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7731.834796][ T10] addrconf_add_dev+0xe2/0x170 [ 7731.834796][ T10] inet6_addr_add+0x12f/0xa40 [ 7731.834796][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7731.834796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7731.834796][ T10] netlink_rcv_skb+0x130/0x360 [ 7731.834796][ T10] netlink_unicast+0x449/0x710 [ 7731.834796][ T10] netlink_sendmsg+0x723/0xbe0 [ 7731.834796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7731.834796][ T10] ___sys_sendmsg+0xee/0x170 [ 7731.834796][ T10] __sys_sendmsg+0xcd/0x170 [ 7731.834796][ T10] do_syscall_64+0xc6/0x1e0 [ 7731.834796][ T10] [ 7731.838279][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7731.838279][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7731.838279][ T10] ipv6_find_idev+0x102/0x170 [ 7731.838279][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7731.838279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7731.838279][ T10] netlink_rcv_skb+0x130/0x360 [ 7731.838279][ T10] netlink_unicast+0x449/0x710 [ 7731.838279][ T10] netlink_sendmsg+0x723/0xbe0 [ 7731.838279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7731.838279][ T10] ___sys_sendmsg+0xee/0x170 [ 7731.838279][ T10] __sys_sendmsg+0xcd/0x170 [ 7731.838279][ T10] do_syscall_64+0xc6/0x1e0 [ 7731.838279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7731.838279][ T10] [ 7731.841164][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7731.841164][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7731.841164][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7731.841164][ T10] ipv6_find_idev+0x102/0x170 [ 7731.841164][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7731.841164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7731.841164][ T10] netlink_rcv_skb+0x130/0x360 [ 7731.841164][ T10] netlink_unicast+0x449/0x710 [ 7731.841164][ T10] netlink_sendmsg+0x723/0xbe0 [ 7731.841164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7731.841164][ T10] ___sys_sendmsg+0xee/0x170 [ 7731.841164][ T10] __sys_sendmsg+0xcd/0x170 [ 7731.841164][ T10] do_syscall_64+0xc6/0x1e0 [ 7731.841164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7731.841164][ T10] [ 7732.793091][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7732.793579][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7732.793579][ T1167] dst_init+0x84/0x4a0 [ 7732.793579][ T1167] dst_alloc+0x97/0x150 [ 7732.793579][ T1167] ip6_dst_alloc+0x23/0x90 [ 7732.793579][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7732.793579][ T1167] ip6_pol_route+0x56f/0x840 [ 7732.793579][ T1167] fib6_rule_lookup+0x334/0x630 [ 7732.793579][ T1167] ip6_route_output_flags+0x259/0x480 [ 7732.793579][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7732.793579][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7732.793579][ T1167] netlink_rcv_skb+0x130/0x360 [ 7732.793579][ T1167] netlink_unicast+0x449/0x710 [ 7732.793579][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7732.793579][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7732.793579][ T1167] ___sys_sendmsg+0xee/0x170 [ 7732.793579][ T1167] __sys_sendmsg+0xcd/0x170 [ 7732.793579][ T1167] do_syscall_64+0xc6/0x1e0 [ 7732.793579][ T1167] [ 7732.795790][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7732.795790][ T1167] netdev_get_by_index+0x5e/0x80 [ 7732.795790][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7732.795790][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7732.795790][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7732.795790][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7732.795790][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7732.795790][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7732.795790][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7732.795790][ T1167] addrconf_dad_begin+0x310/0x670 [ 7732.795790][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7732.795790][ T1167] process_one_work+0x84d/0x18a0 [ 7732.795790][ T1167] worker_thread+0x587/0xd30 [ 7732.795790][ T1167] kthread+0x28a/0x350 [ 7732.795790][ T1167] ret_from_fork+0x31/0x70 [ 7732.795790][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7732.795790][ T1167] [ 7732.797918][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7732.797918][ T1167] netdev_get_by_index+0x5e/0x80 [ 7732.797918][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7732.797918][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7732.797918][ T1167] ip6_route_add+0x1c/0x140 [ 7732.797918][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7732.797918][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7732.797918][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7732.797918][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7732.797918][ T1167] netlink_rcv_skb+0x130/0x360 [ 7732.797918][ T1167] netlink_unicast+0x449/0x710 [ 7732.797918][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7732.797918][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7732.797918][ T1167] ___sys_sendmsg+0xee/0x170 [ 7732.797918][ T1167] __sys_sendmsg+0xcd/0x170 [ 7732.797918][ T1167] do_syscall_64+0xc6/0x1e0 [ 7732.797918][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7732.797918][ T1167] [ 7732.800162][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7732.800162][ T1167] netdev_get_by_index+0x5e/0x80 [ 7732.800162][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7732.800162][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7732.800162][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7732.800162][ T1167] ipv6_add_addr+0x411/0x2000 [ 7732.800162][ T1167] inet6_addr_add+0x30e/0xa40 [ 7732.800162][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7732.800162][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7732.800162][ T1167] netlink_rcv_skb+0x130/0x360 [ 7732.800162][ T1167] netlink_unicast+0x449/0x710 [ 7732.800162][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7732.800162][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7732.800162][ T1167] ___sys_sendmsg+0xee/0x170 [ 7732.800162][ T1167] __sys_sendmsg+0xcd/0x170 [ 7732.800162][ T1167] do_syscall_64+0xc6/0x1e0 [ 7732.800162][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7732.800162][ T1167] [ 7732.802417][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7732.802417][ T1167] netdev_get_by_index+0x5e/0x80 [ 7732.802417][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7732.802417][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7732.802417][ T1167] ip6_route_add+0x1c/0x140 [ 7732.802417][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7732.802417][ T1167] addrconf_add_dev+0xe2/0x170 [ 7732.802417][ T1167] inet6_addr_add+0x12f/0xa40 [ 7732.802417][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7732.802417][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7732.802417][ T1167] netlink_rcv_skb+0x130/0x360 [ 7732.802417][ T1167] netlink_unicast+0x449/0x710 [ 7732.802417][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7732.802417][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7732.802417][ T1167] ___sys_sendmsg+0xee/0x170 [ 7732.802417][ T1167] __sys_sendmsg+0xcd/0x170 [ 7732.802417][ T1167] do_syscall_64+0xc6/0x1e0 [ 7732.802417][ T1167] [ 7732.804619][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7732.804619][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7732.804619][ T1167] ipv6_find_idev+0x102/0x170 [ 7732.804619][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7732.804619][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7732.804619][ T1167] netlink_rcv_skb+0x130/0x360 [ 7732.804619][ T1167] netlink_unicast+0x449/0x710 [ 7732.804619][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7732.804619][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7732.804619][ T1167] ___sys_sendmsg+0xee/0x170 [ 7732.804619][ T1167] __sys_sendmsg+0xcd/0x170 [ 7732.804619][ T1167] do_syscall_64+0xc6/0x1e0 [ 7732.804619][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7732.804619][ T1167] [ 7732.806352][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7732.806352][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7732.806352][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7732.806352][ T1167] ipv6_find_idev+0x102/0x170 [ 7732.806352][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7732.806352][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7732.806352][ T1167] netlink_rcv_skb+0x130/0x360 [ 7732.806352][ T1167] netlink_unicast+0x449/0x710 [ 7732.806352][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7732.806352][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7732.806352][ T1167] ___sys_sendmsg+0xee/0x170 [ 7732.806352][ T1167] __sys_sendmsg+0xcd/0x170 [ 7732.806352][ T1167] do_syscall_64+0xc6/0x1e0 [ 7732.806352][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7732.806352][ T1167] [ 7742.081120][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7742.081556][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7742.081556][ T10] netdev_get_by_index+0x5e/0x80 [ 7742.081556][ T10] fib6_nh_init+0x3d8/0x1580 [ 7742.081556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7742.081556][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7742.081556][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7742.081556][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7742.081556][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7742.081556][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7742.081556][ T10] addrconf_dad_begin+0x310/0x670 [ 7742.081556][ T10] addrconf_dad_work+0x10b/0xab0 [ 7742.081556][ T10] process_one_work+0x84d/0x18a0 [ 7742.081556][ T10] worker_thread+0x587/0xd30 [ 7742.081556][ T10] kthread+0x28a/0x350 [ 7742.081556][ T10] ret_from_fork+0x31/0x70 [ 7742.081556][ T10] ret_from_fork_asm+0x1a/0x30 [ 7742.081556][ T10] [ 7742.083520][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7742.083520][ T10] netdev_get_by_index+0x5e/0x80 [ 7742.083520][ T10] fib6_nh_init+0x3d8/0x1580 [ 7742.083520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7742.083520][ T10] ip6_route_add+0x1c/0x140 [ 7742.083520][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7742.083520][ T10] inet6_addr_add+0x4f8/0xa40 [ 7742.083520][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7742.083520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7742.083520][ T10] netlink_rcv_skb+0x130/0x360 [ 7742.083520][ T10] netlink_unicast+0x449/0x710 [ 7742.083520][ T10] netlink_sendmsg+0x723/0xbe0 [ 7742.083520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7742.083520][ T10] ___sys_sendmsg+0xee/0x170 [ 7742.083520][ T10] __sys_sendmsg+0xcd/0x170 [ 7742.083520][ T10] do_syscall_64+0xc6/0x1e0 [ 7742.083520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7742.083520][ T10] [ 7742.085541][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7742.085541][ T10] netdev_get_by_index+0x5e/0x80 [ 7742.085541][ T10] fib6_nh_init+0x3d8/0x1580 [ 7742.085541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7742.085541][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7742.085541][ T10] ipv6_add_addr+0x411/0x2000 [ 7742.085541][ T10] inet6_addr_add+0x30e/0xa40 [ 7742.085541][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7742.085541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7742.085541][ T10] netlink_rcv_skb+0x130/0x360 [ 7742.085541][ T10] netlink_unicast+0x449/0x710 [ 7742.085541][ T10] netlink_sendmsg+0x723/0xbe0 [ 7742.085541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7742.085541][ T10] ___sys_sendmsg+0xee/0x170 [ 7742.085541][ T10] __sys_sendmsg+0xcd/0x170 [ 7742.085541][ T10] do_syscall_64+0xc6/0x1e0 [ 7742.085541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7742.085541][ T10] [ 7742.087552][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7742.087552][ T10] netdev_get_by_index+0x5e/0x80 [ 7742.087552][ T10] fib6_nh_init+0x3d8/0x1580 [ 7742.087552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7742.087552][ T10] ip6_route_add+0x1c/0x140 [ 7742.087552][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7742.087552][ T10] addrconf_add_dev+0xe2/0x170 [ 7742.087552][ T10] inet6_addr_add+0x12f/0xa40 [ 7742.087552][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7742.087552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7742.087552][ T10] netlink_rcv_skb+0x130/0x360 [ 7742.087552][ T10] netlink_unicast+0x449/0x710 [ 7742.087552][ T10] netlink_sendmsg+0x723/0xbe0 [ 7742.087552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7742.087552][ T10] ___sys_sendmsg+0xee/0x170 [ 7742.087552][ T10] __sys_sendmsg+0xcd/0x170 [ 7742.087552][ T10] do_syscall_64+0xc6/0x1e0 [ 7742.087552][ T10] [ 7742.089531][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7742.089531][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7742.089531][ T10] ipv6_find_idev+0x102/0x170 [ 7742.089531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7742.089531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7742.089531][ T10] netlink_rcv_skb+0x130/0x360 [ 7742.089531][ T10] netlink_unicast+0x449/0x710 [ 7742.089531][ T10] netlink_sendmsg+0x723/0xbe0 [ 7742.089531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7742.089531][ T10] ___sys_sendmsg+0xee/0x170 [ 7742.089531][ T10] __sys_sendmsg+0xcd/0x170 [ 7742.089531][ T10] do_syscall_64+0xc6/0x1e0 [ 7742.089531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7742.089531][ T10] [ 7742.091078][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7742.091078][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7742.091078][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7742.091078][ T10] ipv6_find_idev+0x102/0x170 [ 7742.091078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7742.091078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7742.091078][ T10] netlink_rcv_skb+0x130/0x360 [ 7742.091078][ T10] netlink_unicast+0x449/0x710 [ 7742.091078][ T10] netlink_sendmsg+0x723/0xbe0 [ 7742.091078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7742.091078][ T10] ___sys_sendmsg+0xee/0x170 [ 7742.091078][ T10] __sys_sendmsg+0xcd/0x170 [ 7742.091078][ T10] do_syscall_64+0xc6/0x1e0 [ 7742.091078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7742.091078][ T10] [ 7742.092793][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7742.093047][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7742.093047][ T10] netdev_get_by_index+0x5e/0x80 [ 7742.093047][ T10] fib6_nh_init+0x3d8/0x1580 [ 7742.093047][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7742.093047][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7742.093047][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7742.093047][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7742.093047][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7742.093047][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7742.093047][ T10] addrconf_dad_begin+0x310/0x670 [ 7742.093047][ T10] addrconf_dad_work+0x10b/0xab0 [ 7742.093047][ T10] process_one_work+0x84d/0x18a0 [ 7742.093047][ T10] worker_thread+0x587/0xd30 [ 7742.093047][ T10] kthread+0x28a/0x350 [ 7742.093047][ T10] ret_from_fork+0x31/0x70 [ 7742.093047][ T10] ret_from_fork_asm+0x1a/0x30 [ 7742.093047][ T10] [ 7742.094959][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7742.094959][ T10] netdev_get_by_index+0x5e/0x80 [ 7742.094959][ T10] fib6_nh_init+0x3d8/0x1580 [ 7742.094959][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7742.094959][ T10] ip6_route_add+0x1c/0x140 [ 7742.094959][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7742.094959][ T10] inet6_addr_add+0x4f8/0xa40 [ 7742.094959][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7742.094959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7742.094959][ T10] netlink_rcv_skb+0x130/0x360 [ 7742.094959][ T10] netlink_unicast+0x449/0x710 [ 7742.094959][ T10] netlink_sendmsg+0x723/0xbe0 [ 7742.094959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7742.094959][ T10] ___sys_sendmsg+0xee/0x170 [ 7742.094959][ T10] __sys_sendmsg+0xcd/0x170 [ 7742.094959][ T10] do_syscall_64+0xc6/0x1e0 [ 7742.094959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7742.094959][ T10] [ 7742.096980][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7742.096980][ T10] netdev_get_by_index+0x5e/0x80 [ 7742.096980][ T10] fib6_nh_init+0x3d8/0x1580 [ 7742.096980][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7742.096980][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7742.096980][ T10] ipv6_add_addr+0x411/0x2000 [ 7742.096980][ T10] inet6_addr_add+0x30e/0xa40 [ 7742.096980][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7742.096980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7742.096980][ T10] netlink_rcv_skb+0x130/0x360 [ 7742.096980][ T10] netlink_unicast+0x449/0x710 [ 7742.096980][ T10] netlink_sendmsg+0x723/0xbe0 [ 7742.096980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7742.096980][ T10] ___sys_sendmsg+0xee/0x170 [ 7742.096980][ T10] __sys_sendmsg+0xcd/0x170 [ 7742.096980][ T10] do_syscall_64+0xc6/0x1e0 [ 7742.096980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7742.096980][ T10] [ 7742.098988][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7742.098988][ T10] netdev_get_by_index+0x5e/0x80 [ 7742.098988][ T10] fib6_nh_init+0x3d8/0x1580 [ 7742.098988][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7742.098988][ T10] ip6_route_add+0x1c/0x140 [ 7742.098988][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7742.098988][ T10] addrconf_add_dev+0xe2/0x170 [ 7742.098988][ T10] inet6_addr_add+0x12f/0xa40 [ 7742.098988][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7742.098988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7742.098988][ T10] netlink_rcv_skb+0x130/0x360 [ 7742.098988][ T10] netlink_unicast+0x449/0x710 [ 7742.098988][ T10] netlink_sendmsg+0x723/0xbe0 [ 7742.098988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7742.098988][ T10] ___sys_sendmsg+0xee/0x170 [ 7742.098988][ T10] __sys_sendmsg+0xcd/0x170 [ 7742.098988][ T10] do_syscall_64+0xc6/0x1e0 [ 7742.098988][ T10] [ 7742.100964][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7742.100964][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7742.100964][ T10] ipv6_find_idev+0x102/0x170 [ 7742.100964][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7742.100964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7742.100964][ T10] netlink_rcv_skb+0x130/0x360 [ 7742.100964][ T10] netlink_unicast+0x449/0x710 [ 7742.100964][ T10] netlink_sendmsg+0x723/0xbe0 [ 7742.100964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7742.100964][ T10] ___sys_sendmsg+0xee/0x170 [ 7742.100964][ T10] __sys_sendmsg+0xcd/0x170 [ 7742.100964][ T10] do_syscall_64+0xc6/0x1e0 [ 7742.100964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7742.100964][ T10] [ 7742.102515][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7742.102515][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7742.102515][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7742.102515][ T10] ipv6_find_idev+0x102/0x170 [ 7742.102515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7742.102515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7742.102515][ T10] netlink_rcv_skb+0x130/0x360 [ 7742.102515][ T10] netlink_unicast+0x449/0x710 [ 7742.102515][ T10] netlink_sendmsg+0x723/0xbe0 [ 7742.102515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7742.102515][ T10] ___sys_sendmsg+0xee/0x170 [ 7742.102515][ T10] __sys_sendmsg+0xcd/0x170 [ 7742.102515][ T10] do_syscall_64+0xc6/0x1e0 [ 7742.102515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7742.102515][ T10] [ 7742.104230][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7742.104472][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7742.104472][ T10] netdev_get_by_index+0x5e/0x80 [ 7742.104472][ T10] fib6_nh_init+0x3d8/0x1580 [ 7742.104472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7742.104472][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7742.104472][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7742.104472][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7742.104472][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7742.104472][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7742.104472][ T10] addrconf_dad_begin+0x310/0x670 [ 7742.104472][ T10] addrconf_dad_work+0x10b/0xab0 [ 7742.104472][ T10] process_one_work+0x84d/0x18a0 [ 7742.104472][ T10] worker_thread+0x587/0xd30 [ 7742.104472][ T10] kthread+0x28a/0x350 [ 7742.104472][ T10] ret_from_fork+0x31/0x70 [ 7742.104472][ T10] ret_from_fork_asm+0x1a/0x30 [ 7742.104472][ T10] [ 7742.106399][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7742.106399][ T10] netdev_get_by_index+0x5e/0x80 [ 7742.106399][ T10] fib6_nh_init+0x3d8/0x1580 [ 7742.106399][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7742.106399][ T10] ip6_route_add+0x1c/0x140 [ 7742.106399][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7742.106399][ T10] inet6_addr_add+0x4f8/0xa40 [ 7742.106399][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7742.106399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7742.106399][ T10] netlink_rcv_skb+0x130/0x360 [ 7742.106399][ T10] netlink_unicast+0x449/0x710 [ 7742.106399][ T10] netlink_sendmsg+0x723/0xbe0 [ 7742.106399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7742.106399][ T10] ___sys_sendmsg+0xee/0x170 [ 7742.106399][ T10] __sys_sendmsg+0xcd/0x170 [ 7742.106399][ T10] do_syscall_64+0xc6/0x1e0 [ 7742.106399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7742.106399][ T10] [ 7742.108611][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7742.108611][ T10] netdev_get_by_index+0x5e/0x80 [ 7742.108611][ T10] fib6_nh_init+0x3d8/0x1580 [ 7742.108611][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7742.108611][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7742.108611][ T10] ipv6_add_addr+0x411/0x2000 [ 7742.108611][ T10] inet6_addr_add+0x30e/0xa40 [ 7742.108611][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7742.108611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7742.108611][ T10] netlink_rcv_skb+0x130/0x360 [ 7742.108611][ T10] netlink_unicast+0x449/0x710 [ 7742.108611][ T10] netlink_sendmsg+0x723/0xbe0 [ 7742.108611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7742.108611][ T10] ___sys_sendmsg+0xee/0x170 [ 7742.108611][ T10] __sys_sendmsg+0xcd/0x170 [ 7742.108611][ T10] do_syscall_64+0xc6/0x1e0 [ 7742.108611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7742.108611][ T10] [ 7742.110914][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7742.110914][ T10] netdev_get_by_index+0x5e/0x80 [ 7742.110914][ T10] fib6_nh_init+0x3d8/0x1580 [ 7742.110914][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7742.110914][ T10] ip6_route_add+0x1c/0x140 [ 7742.110914][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7742.110914][ T10] addrconf_add_dev+0xe2/0x170 [ 7742.110914][ T10] inet6_addr_add+0x12f/0xa40 [ 7742.110914][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7742.110914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7742.110914][ T10] netlink_rcv_skb+0x130/0x360 [ 7742.110914][ T10] netlink_unicast+0x449/0x710 [ 7742.110914][ T10] netlink_sendmsg+0x723/0xbe0 [ 7742.110914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7742.110914][ T10] ___sys_sendmsg+0xee/0x170 [ 7742.110914][ T10] __sys_sendmsg+0xcd/0x170 [ 7742.110914][ T10] do_syscall_64+0xc6/0x1e0 [ 7742.110914][ T10] [ 7742.113070][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7742.113070][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7742.113070][ T10] ipv6_find_idev+0x102/0x170 [ 7742.113070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7742.113070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7742.113070][ T10] netlink_rcv_skb+0x130/0x360 [ 7742.113070][ T10] netlink_unicast+0x449/0x710 [ 7742.113070][ T10] netlink_sendmsg+0x723/0xbe0 [ 7742.113070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7742.113070][ T10] ___sys_sendmsg+0xee/0x170 [ 7742.113070][ T10] __sys_sendmsg+0xcd/0x170 [ 7742.113070][ T10] do_syscall_64+0xc6/0x1e0 [ 7742.113070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7742.113070][ T10] [ 7742.114791][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7742.114791][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7742.114791][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7742.114791][ T10] ipv6_find_idev+0x102/0x170 [ 7742.114791][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7742.114791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7742.114791][ T10] netlink_rcv_skb+0x130/0x360 [ 7742.114791][ T10] netlink_unicast+0x449/0x710 [ 7742.114791][ T10] netlink_sendmsg+0x723/0xbe0 [ 7742.114791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7742.114791][ T10] ___sys_sendmsg+0xee/0x170 [ 7742.114791][ T10] __sys_sendmsg+0xcd/0x170 [ 7742.114791][ T10] do_syscall_64+0xc6/0x1e0 [ 7742.114791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7742.114791][ T10] [ 7742.116717][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7742.116954][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7742.116954][ T10] netdev_get_by_index+0x5e/0x80 [ 7742.116954][ T10] fib6_nh_init+0x3d8/0x1580 [ 7742.116954][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7742.116954][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7742.116954][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7742.116954][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7742.116954][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7742.116954][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7742.116954][ T10] addrconf_dad_begin+0x310/0x670 [ 7742.116954][ T10] addrconf_dad_work+0x10b/0xab0 [ 7742.116954][ T10] process_one_work+0x84d/0x18a0 [ 7742.116954][ T10] worker_thread+0x587/0xd30 [ 7742.116954][ T10] kthread+0x28a/0x350 [ 7742.116954][ T10] ret_from_fork+0x31/0x70 [ 7742.116954][ T10] ret_from_fork_asm+0x1a/0x30 [ 7742.116954][ T10] [ 7742.119165][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7742.119165][ T10] netdev_get_by_index+0x5e/0x80 [ 7742.119165][ T10] fib6_nh_init+0x3d8/0x1580 [ 7742.119165][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7742.119165][ T10] ip6_route_add+0x1c/0x140 [ 7742.119165][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7742.119165][ T10] inet6_addr_add+0x4f8/0xa40 [ 7742.119165][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7742.119165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7742.119165][ T10] netlink_rcv_skb+0x130/0x360 [ 7742.119165][ T10] netlink_unicast+0x449/0x710 [ 7742.119165][ T10] netlink_sendmsg+0x723/0xbe0 [ 7742.119165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7742.119165][ T10] ___sys_sendmsg+0xee/0x170 [ 7742.119165][ T10] __sys_sendmsg+0xcd/0x170 [ 7742.119165][ T10] do_syscall_64+0xc6/0x1e0 [ 7742.119165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7742.119165][ T10] [ 7742.121346][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7742.121346][ T10] netdev_get_by_index+0x5e/0x80 [ 7742.121346][ T10] fib6_nh_init+0x3d8/0x1580 [ 7742.121346][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7742.121346][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7742.121346][ T10] ipv6_add_addr+0x411/0x2000 [ 7742.121346][ T10] inet6_addr_add+0x30e/0xa40 [ 7742.121346][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7742.121346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7742.121346][ T10] netlink_rcv_skb+0x130/0x360 [ 7742.121346][ T10] netlink_unicast+0x449/0x710 [ 7742.121346][ T10] netlink_sendmsg+0x723/0xbe0 [ 7742.121346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7742.121346][ T10] ___sys_sendmsg+0xee/0x170 [ 7742.121346][ T10] __sys_sendmsg+0xcd/0x170 [ 7742.121346][ T10] do_syscall_64+0xc6/0x1e0 [ 7742.121346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7742.121346][ T10] [ 7742.123609][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7742.123609][ T10] netdev_get_by_index+0x5e/0x80 [ 7742.123609][ T10] fib6_nh_init+0x3d8/0x1580 [ 7742.123609][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7742.123609][ T10] ip6_route_add+0x1c/0x140 [ 7742.123609][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7742.123609][ T10] addrconf_add_dev+0xe2/0x170 [ 7742.123609][ T10] inet6_addr_add+0x12f/0xa40 [ 7742.123609][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7742.123609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7742.123609][ T10] netlink_rcv_skb+0x130/0x360 [ 7742.123609][ T10] netlink_unicast+0x449/0x710 [ 7742.123609][ T10] netlink_sendmsg+0x723/0xbe0 [ 7742.123609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7742.123609][ T10] ___sys_sendmsg+0xee/0x170 [ 7742.123609][ T10] __sys_sendmsg+0xcd/0x170 [ 7742.123609][ T10] do_syscall_64+0xc6/0x1e0 [ 7742.123609][ T10] [ 7742.125807][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7742.125807][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7742.125807][ T10] ipv6_find_idev+0x102/0x170 [ 7742.125807][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7742.125807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7742.125807][ T10] netlink_rcv_skb+0x130/0x360 [ 7742.125807][ T10] netlink_unicast+0x449/0x710 [ 7742.125807][ T10] netlink_sendmsg+0x723/0xbe0 [ 7742.125807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7742.125807][ T10] ___sys_sendmsg+0xee/0x170 [ 7742.125807][ T10] __sys_sendmsg+0xcd/0x170 [ 7742.125807][ T10] do_syscall_64+0xc6/0x1e0 [ 7742.125807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7742.125807][ T10] [ 7742.127540][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7742.127540][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7742.127540][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7742.127540][ T10] ipv6_find_idev+0x102/0x170 [ 7742.127540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7742.127540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7742.127540][ T10] netlink_rcv_skb+0x130/0x360 [ 7742.127540][ T10] netlink_unicast+0x449/0x710 [ 7742.127540][ T10] netlink_sendmsg+0x723/0xbe0 [ 7742.127540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7742.127540][ T10] ___sys_sendmsg+0xee/0x170 [ 7742.127540][ T10] __sys_sendmsg+0xcd/0x170 [ 7742.127540][ T10] do_syscall_64+0xc6/0x1e0 [ 7742.127540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7742.127540][ T10] [ 7742.857142][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7742.857570][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7742.857570][ T1167] dst_init+0x84/0x4a0 [ 7742.857570][ T1167] dst_alloc+0x97/0x150 [ 7742.857570][ T1167] ip6_dst_alloc+0x23/0x90 [ 7742.857570][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7742.857570][ T1167] ip6_pol_route+0x56f/0x840 [ 7742.857570][ T1167] fib6_rule_lookup+0x334/0x630 [ 7742.857570][ T1167] ip6_route_output_flags+0x259/0x480 [ 7742.857570][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7742.857570][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7742.857570][ T1167] netlink_rcv_skb+0x130/0x360 [ 7742.857570][ T1167] netlink_unicast+0x449/0x710 [ 7742.857570][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7742.857570][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7742.857570][ T1167] ___sys_sendmsg+0xee/0x170 [ 7742.857570][ T1167] __sys_sendmsg+0xcd/0x170 [ 7742.857570][ T1167] do_syscall_64+0xc6/0x1e0 [ 7742.857570][ T1167] [ 7742.859755][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7742.859755][ T1167] netdev_get_by_index+0x5e/0x80 [ 7742.859755][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7742.859755][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7742.859755][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7742.859755][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7742.859755][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7742.859755][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7742.859755][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7742.859755][ T1167] addrconf_dad_begin+0x310/0x670 [ 7742.859755][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7742.859755][ T1167] process_one_work+0x84d/0x18a0 [ 7742.859755][ T1167] worker_thread+0x587/0xd30 [ 7742.859755][ T1167] kthread+0x28a/0x350 [ 7742.859755][ T1167] ret_from_fork+0x31/0x70 [ 7742.859755][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7742.859755][ T1167] [ 7742.861900][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7742.861900][ T1167] netdev_get_by_index+0x5e/0x80 [ 7742.861900][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7742.861900][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7742.861900][ T1167] ip6_route_add+0x1c/0x140 [ 7742.861900][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7742.861900][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7742.861900][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7742.861900][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7742.861900][ T1167] netlink_rcv_skb+0x130/0x360 [ 7742.861900][ T1167] netlink_unicast+0x449/0x710 [ 7742.861900][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7742.861900][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7742.861900][ T1167] ___sys_sendmsg+0xee/0x170 [ 7742.861900][ T1167] __sys_sendmsg+0xcd/0x170 [ 7742.861900][ T1167] do_syscall_64+0xc6/0x1e0 [ 7742.861900][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7742.861900][ T1167] [ 7742.864132][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7742.864132][ T1167] netdev_get_by_index+0x5e/0x80 [ 7742.864132][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7742.864132][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7742.864132][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7742.864132][ T1167] ipv6_add_addr+0x411/0x2000 [ 7742.864132][ T1167] inet6_addr_add+0x30e/0xa40 [ 7742.864132][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7742.864132][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7742.864132][ T1167] netlink_rcv_skb+0x130/0x360 [ 7742.864132][ T1167] netlink_unicast+0x449/0x710 [ 7742.864132][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7742.864132][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7742.864132][ T1167] ___sys_sendmsg+0xee/0x170 [ 7742.864132][ T1167] __sys_sendmsg+0xcd/0x170 [ 7742.864132][ T1167] do_syscall_64+0xc6/0x1e0 [ 7742.864132][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7742.864132][ T1167] [ 7742.866363][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7742.866363][ T1167] netdev_get_by_index+0x5e/0x80 [ 7742.866363][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7742.866363][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7742.866363][ T1167] ip6_route_add+0x1c/0x140 [ 7742.866363][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7742.866363][ T1167] addrconf_add_dev+0xe2/0x170 [ 7742.866363][ T1167] inet6_addr_add+0x12f/0xa40 [ 7742.866363][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7742.866363][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7742.866363][ T1167] netlink_rcv_skb+0x130/0x360 [ 7742.866363][ T1167] netlink_unicast+0x449/0x710 [ 7742.866363][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7742.866363][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7742.866363][ T1167] ___sys_sendmsg+0xee/0x170 [ 7742.866363][ T1167] __sys_sendmsg+0xcd/0x170 [ 7742.866363][ T1167] do_syscall_64+0xc6/0x1e0 [ 7742.866363][ T1167] [ 7742.868547][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7742.868547][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7742.868547][ T1167] ipv6_find_idev+0x102/0x170 [ 7742.868547][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7742.868547][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7742.868547][ T1167] netlink_rcv_skb+0x130/0x360 [ 7742.868547][ T1167] netlink_unicast+0x449/0x710 [ 7742.868547][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7742.868547][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7742.868547][ T1167] ___sys_sendmsg+0xee/0x170 [ 7742.868547][ T1167] __sys_sendmsg+0xcd/0x170 [ 7742.868547][ T1167] do_syscall_64+0xc6/0x1e0 [ 7742.868547][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7742.868547][ T1167] [ 7742.870263][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7742.870263][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7742.870263][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7742.870263][ T1167] ipv6_find_idev+0x102/0x170 [ 7742.870263][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7742.870263][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7742.870263][ T1167] netlink_rcv_skb+0x130/0x360 [ 7742.870263][ T1167] netlink_unicast+0x449/0x710 [ 7742.870263][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7742.870263][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7742.870263][ T1167] ___sys_sendmsg+0xee/0x170 [ 7742.870263][ T1167] __sys_sendmsg+0xcd/0x170 [ 7742.870263][ T1167] do_syscall_64+0xc6/0x1e0 [ 7742.870263][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7742.870263][ T1167] [ 7752.369087][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7752.369562][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7752.369562][ T10] netdev_get_by_index+0x5e/0x80 [ 7752.369562][ T10] fib6_nh_init+0x3d8/0x1580 [ 7752.369562][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7752.369562][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7752.369562][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7752.369562][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7752.369562][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7752.369562][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7752.369562][ T10] addrconf_dad_begin+0x310/0x670 [ 7752.369562][ T10] addrconf_dad_work+0x10b/0xab0 [ 7752.369562][ T10] process_one_work+0x84d/0x18a0 [ 7752.369562][ T10] worker_thread+0x587/0xd30 [ 7752.369562][ T10] kthread+0x28a/0x350 [ 7752.369562][ T10] ret_from_fork+0x31/0x70 [ 7752.369562][ T10] ret_from_fork_asm+0x1a/0x30 [ 7752.369562][ T10] [ 7752.372554][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7752.372554][ T10] netdev_get_by_index+0x5e/0x80 [ 7752.372554][ T10] fib6_nh_init+0x3d8/0x1580 [ 7752.372554][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7752.372554][ T10] ip6_route_add+0x1c/0x140 [ 7752.372554][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7752.372554][ T10] inet6_addr_add+0x4f8/0xa40 [ 7752.372554][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7752.372554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7752.372554][ T10] netlink_rcv_skb+0x130/0x360 [ 7752.372554][ T10] netlink_unicast+0x449/0x710 [ 7752.372554][ T10] netlink_sendmsg+0x723/0xbe0 [ 7752.372554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7752.372554][ T10] ___sys_sendmsg+0xee/0x170 [ 7752.372554][ T10] __sys_sendmsg+0xcd/0x170 [ 7752.372554][ T10] do_syscall_64+0xc6/0x1e0 [ 7752.372554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7752.372554][ T10] [ 7752.375566][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7752.375566][ T10] netdev_get_by_index+0x5e/0x80 [ 7752.375566][ T10] fib6_nh_init+0x3d8/0x1580 [ 7752.375566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7752.375566][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7752.375566][ T10] ipv6_add_addr+0x411/0x2000 [ 7752.375566][ T10] inet6_addr_add+0x30e/0xa40 [ 7752.375566][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7752.375566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7752.375566][ T10] netlink_rcv_skb+0x130/0x360 [ 7752.375566][ T10] netlink_unicast+0x449/0x710 [ 7752.375566][ T10] netlink_sendmsg+0x723/0xbe0 [ 7752.375566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7752.375566][ T10] ___sys_sendmsg+0xee/0x170 [ 7752.375566][ T10] __sys_sendmsg+0xcd/0x170 [ 7752.375566][ T10] do_syscall_64+0xc6/0x1e0 [ 7752.375566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7752.375566][ T10] [ 7752.378590][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7752.378590][ T10] netdev_get_by_index+0x5e/0x80 [ 7752.378590][ T10] fib6_nh_init+0x3d8/0x1580 [ 7752.378590][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7752.378590][ T10] ip6_route_add+0x1c/0x140 [ 7752.378590][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7752.378590][ T10] addrconf_add_dev+0xe2/0x170 [ 7752.378590][ T10] inet6_addr_add+0x12f/0xa40 [ 7752.378590][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7752.378590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7752.378590][ T10] netlink_rcv_skb+0x130/0x360 [ 7752.378590][ T10] netlink_unicast+0x449/0x710 [ 7752.378590][ T10] netlink_sendmsg+0x723/0xbe0 [ 7752.378590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7752.378590][ T10] ___sys_sendmsg+0xee/0x170 [ 7752.378590][ T10] __sys_sendmsg+0xcd/0x170 [ 7752.378590][ T10] do_syscall_64+0xc6/0x1e0 [ 7752.378590][ T10] [ 7752.381524][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7752.381524][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7752.381524][ T10] ipv6_find_idev+0x102/0x170 [ 7752.381524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7752.381524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7752.381524][ T10] netlink_rcv_skb+0x130/0x360 [ 7752.381524][ T10] netlink_unicast+0x449/0x710 [ 7752.381524][ T10] netlink_sendmsg+0x723/0xbe0 [ 7752.381524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7752.381524][ T10] ___sys_sendmsg+0xee/0x170 [ 7752.381524][ T10] __sys_sendmsg+0xcd/0x170 [ 7752.381524][ T10] do_syscall_64+0xc6/0x1e0 [ 7752.381524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7752.381524][ T10] [ 7752.383872][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7752.383872][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7752.383872][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7752.383872][ T10] ipv6_find_idev+0x102/0x170 [ 7752.383872][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7752.383872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7752.383872][ T10] netlink_rcv_skb+0x130/0x360 [ 7752.383872][ T10] netlink_unicast+0x449/0x710 [ 7752.383872][ T10] netlink_sendmsg+0x723/0xbe0 [ 7752.383872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7752.383872][ T10] ___sys_sendmsg+0xee/0x170 [ 7752.383872][ T10] __sys_sendmsg+0xcd/0x170 [ 7752.383872][ T10] do_syscall_64+0xc6/0x1e0 [ 7752.383872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7752.383872][ T10] [ 7752.386503][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7752.386883][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7752.386883][ T10] netdev_get_by_index+0x5e/0x80 [ 7752.386883][ T10] fib6_nh_init+0x3d8/0x1580 [ 7752.386883][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7752.386883][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7752.386883][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7752.386883][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7752.386883][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7752.386883][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7752.386883][ T10] addrconf_dad_begin+0x310/0x670 [ 7752.386883][ T10] addrconf_dad_work+0x10b/0xab0 [ 7752.386883][ T10] process_one_work+0x84d/0x18a0 [ 7752.386883][ T10] worker_thread+0x587/0xd30 [ 7752.386883][ T10] kthread+0x28a/0x350 [ 7752.386883][ T10] ret_from_fork+0x31/0x70 [ 7752.386883][ T10] ret_from_fork_asm+0x1a/0x30 [ 7752.386883][ T10] [ 7752.389826][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7752.389826][ T10] netdev_get_by_index+0x5e/0x80 [ 7752.389826][ T10] fib6_nh_init+0x3d8/0x1580 [ 7752.389826][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7752.389826][ T10] ip6_route_add+0x1c/0x140 [ 7752.389826][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7752.389826][ T10] inet6_addr_add+0x4f8/0xa40 [ 7752.389826][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7752.389826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7752.389826][ T10] netlink_rcv_skb+0x130/0x360 [ 7752.389826][ T10] netlink_unicast+0x449/0x710 [ 7752.389826][ T10] netlink_sendmsg+0x723/0xbe0 [ 7752.389826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7752.389826][ T10] ___sys_sendmsg+0xee/0x170 [ 7752.389826][ T10] __sys_sendmsg+0xcd/0x170 [ 7752.389826][ T10] do_syscall_64+0xc6/0x1e0 [ 7752.389826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7752.389826][ T10] [ 7752.392933][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7752.392933][ T10] netdev_get_by_index+0x5e/0x80 [ 7752.392933][ T10] fib6_nh_init+0x3d8/0x1580 [ 7752.392933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7752.392933][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7752.392933][ T10] ipv6_add_addr+0x411/0x2000 [ 7752.392933][ T10] inet6_addr_add+0x30e/0xa40 [ 7752.392933][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7752.392933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7752.392933][ T10] netlink_rcv_skb+0x130/0x360 [ 7752.392933][ T10] netlink_unicast+0x449/0x710 [ 7752.392933][ T10] netlink_sendmsg+0x723/0xbe0 [ 7752.392933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7752.392933][ T10] ___sys_sendmsg+0xee/0x170 [ 7752.392933][ T10] __sys_sendmsg+0xcd/0x170 [ 7752.392933][ T10] do_syscall_64+0xc6/0x1e0 [ 7752.392933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7752.392933][ T10] [ 7752.396038][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7752.396038][ T10] netdev_get_by_index+0x5e/0x80 [ 7752.396038][ T10] fib6_nh_init+0x3d8/0x1580 [ 7752.396038][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7752.396038][ T10] ip6_route_add+0x1c/0x140 [ 7752.396038][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7752.396038][ T10] addrconf_add_dev+0xe2/0x170 [ 7752.396038][ T10] inet6_addr_add+0x12f/0xa40 [ 7752.396038][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7752.396038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7752.396038][ T10] netlink_rcv_skb+0x130/0x360 [ 7752.396038][ T10] netlink_unicast+0x449/0x710 [ 7752.396038][ T10] netlink_sendmsg+0x723/0xbe0 [ 7752.396038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7752.396038][ T10] ___sys_sendmsg+0xee/0x170 [ 7752.396038][ T10] __sys_sendmsg+0xcd/0x170 [ 7752.396038][ T10] do_syscall_64+0xc6/0x1e0 [ 7752.396038][ T10] [ 7752.399072][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7752.399072][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7752.399072][ T10] ipv6_find_idev+0x102/0x170 [ 7752.399072][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7752.399072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7752.399072][ T10] netlink_rcv_skb+0x130/0x360 [ 7752.399072][ T10] netlink_unicast+0x449/0x710 [ 7752.399072][ T10] netlink_sendmsg+0x723/0xbe0 [ 7752.399072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7752.399072][ T10] ___sys_sendmsg+0xee/0x170 [ 7752.399072][ T10] __sys_sendmsg+0xcd/0x170 [ 7752.399072][ T10] do_syscall_64+0xc6/0x1e0 [ 7752.399072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7752.399072][ T10] [ 7752.401475][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7752.401475][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7752.401475][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7752.401475][ T10] ipv6_find_idev+0x102/0x170 [ 7752.401475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7752.401475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7752.401475][ T10] netlink_rcv_skb+0x130/0x360 [ 7752.401475][ T10] netlink_unicast+0x449/0x710 [ 7752.401475][ T10] netlink_sendmsg+0x723/0xbe0 [ 7752.401475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7752.401475][ T10] ___sys_sendmsg+0xee/0x170 [ 7752.401475][ T10] __sys_sendmsg+0xcd/0x170 [ 7752.401475][ T10] do_syscall_64+0xc6/0x1e0 [ 7752.401475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7752.401475][ T10] [ 7752.404061][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7752.404430][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7752.404430][ T10] netdev_get_by_index+0x5e/0x80 [ 7752.404430][ T10] fib6_nh_init+0x3d8/0x1580 [ 7752.404430][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7752.404430][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7752.404430][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7752.404430][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7752.404430][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7752.404430][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7752.404430][ T10] addrconf_dad_begin+0x310/0x670 [ 7752.404430][ T10] addrconf_dad_work+0x10b/0xab0 [ 7752.404430][ T10] process_one_work+0x84d/0x18a0 [ 7752.404430][ T10] worker_thread+0x587/0xd30 [ 7752.404430][ T10] kthread+0x28a/0x350 [ 7752.404430][ T10] ret_from_fork+0x31/0x70 [ 7752.404430][ T10] ret_from_fork_asm+0x1a/0x30 [ 7752.404430][ T10] [ 7752.407229][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7752.407229][ T10] netdev_get_by_index+0x5e/0x80 [ 7752.407229][ T10] fib6_nh_init+0x3d8/0x1580 [ 7752.407229][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7752.407229][ T10] ip6_route_add+0x1c/0x140 [ 7752.407229][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7752.407229][ T10] inet6_addr_add+0x4f8/0xa40 [ 7752.407229][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7752.407229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7752.407229][ T10] netlink_rcv_skb+0x130/0x360 [ 7752.407229][ T10] netlink_unicast+0x449/0x710 [ 7752.407229][ T10] netlink_sendmsg+0x723/0xbe0 [ 7752.407229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7752.407229][ T10] ___sys_sendmsg+0xee/0x170 [ 7752.407229][ T10] __sys_sendmsg+0xcd/0x170 [ 7752.407229][ T10] do_syscall_64+0xc6/0x1e0 [ 7752.407229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7752.407229][ T10] [ 7752.410687][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7752.410687][ T10] netdev_get_by_index+0x5e/0x80 [ 7752.410687][ T10] fib6_nh_init+0x3d8/0x1580 [ 7752.410687][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7752.410687][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7752.410687][ T10] ipv6_add_addr+0x411/0x2000 [ 7752.410687][ T10] inet6_addr_add+0x30e/0xa40 [ 7752.410687][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7752.410687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7752.410687][ T10] netlink_rcv_skb+0x130/0x360 [ 7752.410687][ T10] netlink_unicast+0x449/0x710 [ 7752.410687][ T10] netlink_sendmsg+0x723/0xbe0 [ 7752.410687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7752.410687][ T10] ___sys_sendmsg+0xee/0x170 [ 7752.410687][ T10] __sys_sendmsg+0xcd/0x170 [ 7752.410687][ T10] do_syscall_64+0xc6/0x1e0 [ 7752.410687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7752.410687][ T10] [ 7752.414386][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7752.414386][ T10] netdev_get_by_index+0x5e/0x80 [ 7752.414386][ T10] fib6_nh_init+0x3d8/0x1580 [ 7752.414386][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7752.414386][ T10] ip6_route_add+0x1c/0x140 [ 7752.414386][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7752.414386][ T10] addrconf_add_dev+0xe2/0x170 [ 7752.414386][ T10] inet6_addr_add+0x12f/0xa40 [ 7752.414386][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7752.414386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7752.414386][ T10] netlink_rcv_skb+0x130/0x360 [ 7752.414386][ T10] netlink_unicast+0x449/0x710 [ 7752.414386][ T10] netlink_sendmsg+0x723/0xbe0 [ 7752.414386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7752.414386][ T10] ___sys_sendmsg+0xee/0x170 [ 7752.414386][ T10] __sys_sendmsg+0xcd/0x170 [ 7752.414386][ T10] do_syscall_64+0xc6/0x1e0 [ 7752.414386][ T10] [ 7752.417862][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7752.417862][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7752.417862][ T10] ipv6_find_idev+0x102/0x170 [ 7752.417862][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7752.417862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7752.417862][ T10] netlink_rcv_skb+0x130/0x360 [ 7752.417862][ T10] netlink_unicast+0x449/0x710 [ 7752.417862][ T10] netlink_sendmsg+0x723/0xbe0 [ 7752.417862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7752.417862][ T10] ___sys_sendmsg+0xee/0x170 [ 7752.417862][ T10] __sys_sendmsg+0xcd/0x170 [ 7752.417862][ T10] do_syscall_64+0xc6/0x1e0 [ 7752.417862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7752.417862][ T10] [ 7752.420568][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7752.420568][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7752.420568][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7752.420568][ T10] ipv6_find_idev+0x102/0x170 [ 7752.420568][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7752.420568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7752.420568][ T10] netlink_rcv_skb+0x130/0x360 [ 7752.420568][ T10] netlink_unicast+0x449/0x710 [ 7752.420568][ T10] netlink_sendmsg+0x723/0xbe0 [ 7752.420568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7752.420568][ T10] ___sys_sendmsg+0xee/0x170 [ 7752.420568][ T10] __sys_sendmsg+0xcd/0x170 [ 7752.420568][ T10] do_syscall_64+0xc6/0x1e0 [ 7752.420568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7752.420568][ T10] [ 7752.423554][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7752.423933][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7752.423933][ T10] netdev_get_by_index+0x5e/0x80 [ 7752.423933][ T10] fib6_nh_init+0x3d8/0x1580 [ 7752.423933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7752.423933][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7752.423933][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7752.423933][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7752.423933][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7752.423933][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7752.423933][ T10] addrconf_dad_begin+0x310/0x670 [ 7752.423933][ T10] addrconf_dad_work+0x10b/0xab0 [ 7752.423933][ T10] process_one_work+0x84d/0x18a0 [ 7752.423933][ T10] worker_thread+0x587/0xd30 [ 7752.423933][ T10] kthread+0x28a/0x350 [ 7752.423933][ T10] ret_from_fork+0x31/0x70 [ 7752.423933][ T10] ret_from_fork_asm+0x1a/0x30 [ 7752.423933][ T10] [ 7752.427437][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7752.427437][ T10] netdev_get_by_index+0x5e/0x80 [ 7752.427437][ T10] fib6_nh_init+0x3d8/0x1580 [ 7752.427437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7752.427437][ T10] ip6_route_add+0x1c/0x140 [ 7752.427437][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7752.427437][ T10] inet6_addr_add+0x4f8/0xa40 [ 7752.427437][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7752.427437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7752.427437][ T10] netlink_rcv_skb+0x130/0x360 [ 7752.427437][ T10] netlink_unicast+0x449/0x710 [ 7752.427437][ T10] netlink_sendmsg+0x723/0xbe0 [ 7752.427437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7752.427437][ T10] ___sys_sendmsg+0xee/0x170 [ 7752.427437][ T10] __sys_sendmsg+0xcd/0x170 [ 7752.427437][ T10] do_syscall_64+0xc6/0x1e0 [ 7752.427437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7752.427437][ T10] [ 7752.430874][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7752.430874][ T10] netdev_get_by_index+0x5e/0x80 [ 7752.430874][ T10] fib6_nh_init+0x3d8/0x1580 [ 7752.430874][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7752.430874][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7752.430874][ T10] ipv6_add_addr+0x411/0x2000 [ 7752.430874][ T10] inet6_addr_add+0x30e/0xa40 [ 7752.430874][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7752.430874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7752.430874][ T10] netlink_rcv_skb+0x130/0x360 [ 7752.430874][ T10] netlink_unicast+0x449/0x710 [ 7752.430874][ T10] netlink_sendmsg+0x723/0xbe0 [ 7752.430874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7752.430874][ T10] ___sys_sendmsg+0xee/0x170 [ 7752.430874][ T10] __sys_sendmsg+0xcd/0x170 [ 7752.430874][ T10] do_syscall_64+0xc6/0x1e0 [ 7752.430874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7752.430874][ T10] [ 7752.434153][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7752.434153][ T10] netdev_get_by_index+0x5e/0x80 [ 7752.434153][ T10] fib6_nh_init+0x3d8/0x1580 [ 7752.434153][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7752.434153][ T10] ip6_route_add+0x1c/0x140 [ 7752.434153][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7752.434153][ T10] addrconf_add_dev+0xe2/0x170 [ 7752.434153][ T10] inet6_addr_add+0x12f/0xa40 [ 7752.434153][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7752.434153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7752.434153][ T10] netlink_rcv_skb+0x130/0x360 [ 7752.434153][ T10] netlink_unicast+0x449/0x710 [ 7752.434153][ T10] netlink_sendmsg+0x723/0xbe0 [ 7752.434153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7752.434153][ T10] ___sys_sendmsg+0xee/0x170 [ 7752.434153][ T10] __sys_sendmsg+0xcd/0x170 [ 7752.434153][ T10] do_syscall_64+0xc6/0x1e0 [ 7752.434153][ T10] [ 7752.437368][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7752.437368][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7752.437368][ T10] ipv6_find_idev+0x102/0x170 [ 7752.437368][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7752.437368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7752.437368][ T10] netlink_rcv_skb+0x130/0x360 [ 7752.437368][ T10] netlink_unicast+0x449/0x710 [ 7752.437368][ T10] netlink_sendmsg+0x723/0xbe0 [ 7752.437368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7752.437368][ T10] ___sys_sendmsg+0xee/0x170 [ 7752.437368][ T10] __sys_sendmsg+0xcd/0x170 [ 7752.437368][ T10] do_syscall_64+0xc6/0x1e0 [ 7752.437368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7752.437368][ T10] [ 7752.440087][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7752.440087][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7752.440087][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7752.440087][ T10] ipv6_find_idev+0x102/0x170 [ 7752.440087][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7752.440087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7752.440087][ T10] netlink_rcv_skb+0x130/0x360 [ 7752.440087][ T10] netlink_unicast+0x449/0x710 [ 7752.440087][ T10] netlink_sendmsg+0x723/0xbe0 [ 7752.440087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7752.440087][ T10] ___sys_sendmsg+0xee/0x170 [ 7752.440087][ T10] __sys_sendmsg+0xcd/0x170 [ 7752.440087][ T10] do_syscall_64+0xc6/0x1e0 [ 7752.440087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7752.440087][ T10] [ 7753.121106][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7753.121623][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7753.121623][ T1167] dst_init+0x84/0x4a0 [ 7753.121623][ T1167] dst_alloc+0x97/0x150 [ 7753.121623][ T1167] ip6_dst_alloc+0x23/0x90 [ 7753.121623][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7753.121623][ T1167] ip6_pol_route+0x56f/0x840 [ 7753.121623][ T1167] fib6_rule_lookup+0x334/0x630 [ 7753.121623][ T1167] ip6_route_output_flags+0x259/0x480 [ 7753.121623][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7753.121623][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7753.121623][ T1167] netlink_rcv_skb+0x130/0x360 [ 7753.121623][ T1167] netlink_unicast+0x449/0x710 [ 7753.121623][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7753.121623][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7753.121623][ T1167] ___sys_sendmsg+0xee/0x170 [ 7753.121623][ T1167] __sys_sendmsg+0xcd/0x170 [ 7753.121623][ T1167] do_syscall_64+0xc6/0x1e0 [ 7753.121623][ T1167] [ 7753.123889][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7753.123889][ T1167] netdev_get_by_index+0x5e/0x80 [ 7753.123889][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7753.123889][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7753.123889][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7753.123889][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7753.123889][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7753.123889][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7753.123889][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7753.123889][ T1167] addrconf_dad_begin+0x310/0x670 [ 7753.123889][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7753.123889][ T1167] process_one_work+0x84d/0x18a0 [ 7753.123889][ T1167] worker_thread+0x587/0xd30 [ 7753.123889][ T1167] kthread+0x28a/0x350 [ 7753.123889][ T1167] ret_from_fork+0x31/0x70 [ 7753.123889][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7753.123889][ T1167] [ 7753.126053][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7753.126053][ T1167] netdev_get_by_index+0x5e/0x80 [ 7753.126053][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7753.126053][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7753.126053][ T1167] ip6_route_add+0x1c/0x140 [ 7753.126053][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7753.126053][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7753.126053][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7753.126053][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7753.126053][ T1167] netlink_rcv_skb+0x130/0x360 [ 7753.126053][ T1167] netlink_unicast+0x449/0x710 [ 7753.126053][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7753.126053][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7753.126053][ T1167] ___sys_sendmsg+0xee/0x170 [ 7753.126053][ T1167] __sys_sendmsg+0xcd/0x170 [ 7753.126053][ T1167] do_syscall_64+0xc6/0x1e0 [ 7753.126053][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7753.126053][ T1167] [ 7753.128337][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7753.128337][ T1167] netdev_get_by_index+0x5e/0x80 [ 7753.128337][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7753.128337][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7753.128337][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7753.128337][ T1167] ipv6_add_addr+0x411/0x2000 [ 7753.128337][ T1167] inet6_addr_add+0x30e/0xa40 [ 7753.128337][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7753.128337][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7753.128337][ T1167] netlink_rcv_skb+0x130/0x360 [ 7753.128337][ T1167] netlink_unicast+0x449/0x710 [ 7753.128337][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7753.128337][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7753.128337][ T1167] ___sys_sendmsg+0xee/0x170 [ 7753.128337][ T1167] __sys_sendmsg+0xcd/0x170 [ 7753.128337][ T1167] do_syscall_64+0xc6/0x1e0 [ 7753.128337][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7753.128337][ T1167] [ 7753.130599][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7753.130599][ T1167] netdev_get_by_index+0x5e/0x80 [ 7753.130599][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7753.130599][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7753.130599][ T1167] ip6_route_add+0x1c/0x140 [ 7753.130599][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7753.130599][ T1167] addrconf_add_dev+0xe2/0x170 [ 7753.130599][ T1167] inet6_addr_add+0x12f/0xa40 [ 7753.130599][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7753.130599][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7753.130599][ T1167] netlink_rcv_skb+0x130/0x360 [ 7753.130599][ T1167] netlink_unicast+0x449/0x710 [ 7753.130599][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7753.130599][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7753.130599][ T1167] ___sys_sendmsg+0xee/0x170 [ 7753.130599][ T1167] __sys_sendmsg+0xcd/0x170 [ 7753.130599][ T1167] do_syscall_64+0xc6/0x1e0 [ 7753.130599][ T1167] [ 7753.132848][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7753.132848][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7753.132848][ T1167] ipv6_find_idev+0x102/0x170 [ 7753.132848][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7753.132848][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7753.132848][ T1167] netlink_rcv_skb+0x130/0x360 [ 7753.132848][ T1167] netlink_unicast+0x449/0x710 [ 7753.132848][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7753.132848][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7753.132848][ T1167] ___sys_sendmsg+0xee/0x170 [ 7753.132848][ T1167] __sys_sendmsg+0xcd/0x170 [ 7753.132848][ T1167] do_syscall_64+0xc6/0x1e0 [ 7753.132848][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7753.132848][ T1167] [ 7753.134581][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7753.134581][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7753.134581][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7753.134581][ T1167] ipv6_find_idev+0x102/0x170 [ 7753.134581][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7753.134581][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7753.134581][ T1167] netlink_rcv_skb+0x130/0x360 [ 7753.134581][ T1167] netlink_unicast+0x449/0x710 [ 7753.134581][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7753.134581][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7753.134581][ T1167] ___sys_sendmsg+0xee/0x170 [ 7753.134581][ T1167] __sys_sendmsg+0xcd/0x170 [ 7753.134581][ T1167] do_syscall_64+0xc6/0x1e0 [ 7753.134581][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7753.134581][ T1167] [ 7762.481130][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7762.481550][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7762.481550][ T10] netdev_get_by_index+0x5e/0x80 [ 7762.481550][ T10] fib6_nh_init+0x3d8/0x1580 [ 7762.481550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7762.481550][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7762.481550][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7762.481550][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7762.481550][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7762.481550][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7762.481550][ T10] addrconf_dad_begin+0x310/0x670 [ 7762.481550][ T10] addrconf_dad_work+0x10b/0xab0 [ 7762.481550][ T10] process_one_work+0x84d/0x18a0 [ 7762.481550][ T10] worker_thread+0x587/0xd30 [ 7762.481550][ T10] kthread+0x28a/0x350 [ 7762.481550][ T10] ret_from_fork+0x31/0x70 [ 7762.481550][ T10] ret_from_fork_asm+0x1a/0x30 [ 7762.481550][ T10] [ 7762.483484][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7762.483484][ T10] netdev_get_by_index+0x5e/0x80 [ 7762.483484][ T10] fib6_nh_init+0x3d8/0x1580 [ 7762.483484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7762.483484][ T10] ip6_route_add+0x1c/0x140 [ 7762.483484][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7762.483484][ T10] inet6_addr_add+0x4f8/0xa40 [ 7762.483484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7762.483484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7762.483484][ T10] netlink_rcv_skb+0x130/0x360 [ 7762.483484][ T10] netlink_unicast+0x449/0x710 [ 7762.483484][ T10] netlink_sendmsg+0x723/0xbe0 [ 7762.483484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7762.483484][ T10] ___sys_sendmsg+0xee/0x170 [ 7762.483484][ T10] __sys_sendmsg+0xcd/0x170 [ 7762.483484][ T10] do_syscall_64+0xc6/0x1e0 [ 7762.483484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7762.483484][ T10] [ 7762.485462][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7762.485462][ T10] netdev_get_by_index+0x5e/0x80 [ 7762.485462][ T10] fib6_nh_init+0x3d8/0x1580 [ 7762.485462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7762.485462][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7762.485462][ T10] ipv6_add_addr+0x411/0x2000 [ 7762.485462][ T10] inet6_addr_add+0x30e/0xa40 [ 7762.485462][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7762.485462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7762.485462][ T10] netlink_rcv_skb+0x130/0x360 [ 7762.485462][ T10] netlink_unicast+0x449/0x710 [ 7762.485462][ T10] netlink_sendmsg+0x723/0xbe0 [ 7762.485462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7762.485462][ T10] ___sys_sendmsg+0xee/0x170 [ 7762.485462][ T10] __sys_sendmsg+0xcd/0x170 [ 7762.485462][ T10] do_syscall_64+0xc6/0x1e0 [ 7762.485462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7762.485462][ T10] [ 7762.487447][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7762.487447][ T10] netdev_get_by_index+0x5e/0x80 [ 7762.487447][ T10] fib6_nh_init+0x3d8/0x1580 [ 7762.487447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7762.487447][ T10] ip6_route_add+0x1c/0x140 [ 7762.487447][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7762.487447][ T10] addrconf_add_dev+0xe2/0x170 [ 7762.487447][ T10] inet6_addr_add+0x12f/0xa40 [ 7762.487447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7762.487447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7762.487447][ T10] netlink_rcv_skb+0x130/0x360 [ 7762.487447][ T10] netlink_unicast+0x449/0x710 [ 7762.487447][ T10] netlink_sendmsg+0x723/0xbe0 [ 7762.487447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7762.487447][ T10] ___sys_sendmsg+0xee/0x170 [ 7762.487447][ T10] __sys_sendmsg+0xcd/0x170 [ 7762.487447][ T10] do_syscall_64+0xc6/0x1e0 [ 7762.487447][ T10] [ 7762.489414][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7762.489414][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7762.489414][ T10] ipv6_find_idev+0x102/0x170 [ 7762.489414][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7762.489414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7762.489414][ T10] netlink_rcv_skb+0x130/0x360 [ 7762.489414][ T10] netlink_unicast+0x449/0x710 [ 7762.489414][ T10] netlink_sendmsg+0x723/0xbe0 [ 7762.489414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7762.489414][ T10] ___sys_sendmsg+0xee/0x170 [ 7762.489414][ T10] __sys_sendmsg+0xcd/0x170 [ 7762.489414][ T10] do_syscall_64+0xc6/0x1e0 [ 7762.489414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7762.489414][ T10] [ 7762.490942][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7762.490942][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7762.490942][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7762.490942][ T10] ipv6_find_idev+0x102/0x170 [ 7762.490942][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7762.490942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7762.490942][ T10] netlink_rcv_skb+0x130/0x360 [ 7762.490942][ T10] netlink_unicast+0x449/0x710 [ 7762.490942][ T10] netlink_sendmsg+0x723/0xbe0 [ 7762.490942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7762.490942][ T10] ___sys_sendmsg+0xee/0x170 [ 7762.490942][ T10] __sys_sendmsg+0xcd/0x170 [ 7762.490942][ T10] do_syscall_64+0xc6/0x1e0 [ 7762.490942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7762.490942][ T10] [ 7762.492641][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7762.492889][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7762.492889][ T10] netdev_get_by_index+0x5e/0x80 [ 7762.492889][ T10] fib6_nh_init+0x3d8/0x1580 [ 7762.492889][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7762.492889][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7762.492889][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7762.492889][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7762.492889][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7762.492889][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7762.492889][ T10] addrconf_dad_begin+0x310/0x670 [ 7762.492889][ T10] addrconf_dad_work+0x10b/0xab0 [ 7762.492889][ T10] process_one_work+0x84d/0x18a0 [ 7762.492889][ T10] worker_thread+0x587/0xd30 [ 7762.492889][ T10] kthread+0x28a/0x350 [ 7762.492889][ T10] ret_from_fork+0x31/0x70 [ 7762.492889][ T10] ret_from_fork_asm+0x1a/0x30 [ 7762.492889][ T10] [ 7762.494779][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7762.494779][ T10] netdev_get_by_index+0x5e/0x80 [ 7762.494779][ T10] fib6_nh_init+0x3d8/0x1580 [ 7762.494779][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7762.494779][ T10] ip6_route_add+0x1c/0x140 [ 7762.494779][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7762.494779][ T10] inet6_addr_add+0x4f8/0xa40 [ 7762.494779][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7762.494779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7762.494779][ T10] netlink_rcv_skb+0x130/0x360 [ 7762.494779][ T10] netlink_unicast+0x449/0x710 [ 7762.494779][ T10] netlink_sendmsg+0x723/0xbe0 [ 7762.494779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7762.494779][ T10] ___sys_sendmsg+0xee/0x170 [ 7762.494779][ T10] __sys_sendmsg+0xcd/0x170 [ 7762.494779][ T10] do_syscall_64+0xc6/0x1e0 [ 7762.494779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7762.494779][ T10] [ 7762.496759][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7762.496759][ T10] netdev_get_by_index+0x5e/0x80 [ 7762.496759][ T10] fib6_nh_init+0x3d8/0x1580 [ 7762.496759][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7762.496759][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7762.496759][ T10] ipv6_add_addr+0x411/0x2000 [ 7762.496759][ T10] inet6_addr_add+0x30e/0xa40 [ 7762.496759][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7762.496759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7762.496759][ T10] netlink_rcv_skb+0x130/0x360 [ 7762.496759][ T10] netlink_unicast+0x449/0x710 [ 7762.496759][ T10] netlink_sendmsg+0x723/0xbe0 [ 7762.496759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7762.496759][ T10] ___sys_sendmsg+0xee/0x170 [ 7762.496759][ T10] __sys_sendmsg+0xcd/0x170 [ 7762.496759][ T10] do_syscall_64+0xc6/0x1e0 [ 7762.496759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7762.496759][ T10] [ 7762.498776][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7762.498776][ T10] netdev_get_by_index+0x5e/0x80 [ 7762.498776][ T10] fib6_nh_init+0x3d8/0x1580 [ 7762.498776][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7762.498776][ T10] ip6_route_add+0x1c/0x140 [ 7762.498776][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7762.498776][ T10] addrconf_add_dev+0xe2/0x170 [ 7762.498776][ T10] inet6_addr_add+0x12f/0xa40 [ 7762.498776][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7762.498776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7762.498776][ T10] netlink_rcv_skb+0x130/0x360 [ 7762.498776][ T10] netlink_unicast+0x449/0x710 [ 7762.498776][ T10] netlink_sendmsg+0x723/0xbe0 [ 7762.498776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7762.498776][ T10] ___sys_sendmsg+0xee/0x170 [ 7762.498776][ T10] __sys_sendmsg+0xcd/0x170 [ 7762.498776][ T10] do_syscall_64+0xc6/0x1e0 [ 7762.498776][ T10] [ 7762.500733][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7762.500733][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7762.500733][ T10] ipv6_find_idev+0x102/0x170 [ 7762.500733][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7762.500733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7762.500733][ T10] netlink_rcv_skb+0x130/0x360 [ 7762.500733][ T10] netlink_unicast+0x449/0x710 [ 7762.500733][ T10] netlink_sendmsg+0x723/0xbe0 [ 7762.500733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7762.500733][ T10] ___sys_sendmsg+0xee/0x170 [ 7762.500733][ T10] __sys_sendmsg+0xcd/0x170 [ 7762.500733][ T10] do_syscall_64+0xc6/0x1e0 [ 7762.500733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7762.500733][ T10] [ 7762.502256][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7762.502256][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7762.502256][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7762.502256][ T10] ipv6_find_idev+0x102/0x170 [ 7762.502256][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7762.502256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7762.502256][ T10] netlink_rcv_skb+0x130/0x360 [ 7762.502256][ T10] netlink_unicast+0x449/0x710 [ 7762.502256][ T10] netlink_sendmsg+0x723/0xbe0 [ 7762.502256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7762.502256][ T10] ___sys_sendmsg+0xee/0x170 [ 7762.502256][ T10] __sys_sendmsg+0xcd/0x170 [ 7762.502256][ T10] do_syscall_64+0xc6/0x1e0 [ 7762.502256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7762.502256][ T10] [ 7762.503917][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7762.504164][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7762.504164][ T10] netdev_get_by_index+0x5e/0x80 [ 7762.504164][ T10] fib6_nh_init+0x3d8/0x1580 [ 7762.504164][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7762.504164][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7762.504164][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7762.504164][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7762.504164][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7762.504164][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7762.504164][ T10] addrconf_dad_begin+0x310/0x670 [ 7762.504164][ T10] addrconf_dad_work+0x10b/0xab0 [ 7762.504164][ T10] process_one_work+0x84d/0x18a0 [ 7762.504164][ T10] worker_thread+0x587/0xd30 [ 7762.504164][ T10] kthread+0x28a/0x350 [ 7762.504164][ T10] ret_from_fork+0x31/0x70 [ 7762.504164][ T10] ret_from_fork_asm+0x1a/0x30 [ 7762.504164][ T10] [ 7762.506055][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7762.506055][ T10] netdev_get_by_index+0x5e/0x80 [ 7762.506055][ T10] fib6_nh_init+0x3d8/0x1580 [ 7762.506055][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7762.506055][ T10] ip6_route_add+0x1c/0x140 [ 7762.506055][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7762.506055][ T10] inet6_addr_add+0x4f8/0xa40 [ 7762.506055][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7762.506055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7762.506055][ T10] netlink_rcv_skb+0x130/0x360 [ 7762.506055][ T10] netlink_unicast+0x449/0x710 [ 7762.506055][ T10] netlink_sendmsg+0x723/0xbe0 [ 7762.506055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7762.506055][ T10] ___sys_sendmsg+0xee/0x170 [ 7762.506055][ T10] __sys_sendmsg+0xcd/0x170 [ 7762.506055][ T10] do_syscall_64+0xc6/0x1e0 [ 7762.506055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7762.506055][ T10] [ 7762.508277][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7762.508277][ T10] netdev_get_by_index+0x5e/0x80 [ 7762.508277][ T10] fib6_nh_init+0x3d8/0x1580 [ 7762.508277][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7762.508277][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7762.508277][ T10] ipv6_add_addr+0x411/0x2000 [ 7762.508277][ T10] inet6_addr_add+0x30e/0xa40 [ 7762.508277][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7762.508277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7762.508277][ T10] netlink_rcv_skb+0x130/0x360 [ 7762.508277][ T10] netlink_unicast+0x449/0x710 [ 7762.508277][ T10] netlink_sendmsg+0x723/0xbe0 [ 7762.508277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7762.508277][ T10] ___sys_sendmsg+0xee/0x170 [ 7762.508277][ T10] __sys_sendmsg+0xcd/0x170 [ 7762.508277][ T10] do_syscall_64+0xc6/0x1e0 [ 7762.508277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7762.508277][ T10] [ 7762.510419][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7762.510419][ T10] netdev_get_by_index+0x5e/0x80 [ 7762.510419][ T10] fib6_nh_init+0x3d8/0x1580 [ 7762.510419][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7762.510419][ T10] ip6_route_add+0x1c/0x140 [ 7762.510419][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7762.510419][ T10] addrconf_add_dev+0xe2/0x170 [ 7762.510419][ T10] inet6_addr_add+0x12f/0xa40 [ 7762.510419][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7762.510419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7762.510419][ T10] netlink_rcv_skb+0x130/0x360 [ 7762.510419][ T10] netlink_unicast+0x449/0x710 [ 7762.510419][ T10] netlink_sendmsg+0x723/0xbe0 [ 7762.510419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7762.510419][ T10] ___sys_sendmsg+0xee/0x170 [ 7762.510419][ T10] __sys_sendmsg+0xcd/0x170 [ 7762.510419][ T10] do_syscall_64+0xc6/0x1e0 [ 7762.510419][ T10] [ 7762.512610][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7762.512610][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7762.512610][ T10] ipv6_find_idev+0x102/0x170 [ 7762.512610][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7762.512610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7762.512610][ T10] netlink_rcv_skb+0x130/0x360 [ 7762.512610][ T10] netlink_unicast+0x449/0x710 [ 7762.512610][ T10] netlink_sendmsg+0x723/0xbe0 [ 7762.512610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7762.512610][ T10] ___sys_sendmsg+0xee/0x170 [ 7762.512610][ T10] __sys_sendmsg+0xcd/0x170 [ 7762.512610][ T10] do_syscall_64+0xc6/0x1e0 [ 7762.512610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7762.512610][ T10] [ 7762.514310][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7762.514310][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7762.514310][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7762.514310][ T10] ipv6_find_idev+0x102/0x170 [ 7762.514310][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7762.514310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7762.514310][ T10] netlink_rcv_skb+0x130/0x360 [ 7762.514310][ T10] netlink_unicast+0x449/0x710 [ 7762.514310][ T10] netlink_sendmsg+0x723/0xbe0 [ 7762.514310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7762.514310][ T10] ___sys_sendmsg+0xee/0x170 [ 7762.514310][ T10] __sys_sendmsg+0xcd/0x170 [ 7762.514310][ T10] do_syscall_64+0xc6/0x1e0 [ 7762.514310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7762.514310][ T10] [ 7762.516213][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7762.516508][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7762.516508][ T10] netdev_get_by_index+0x5e/0x80 [ 7762.516508][ T10] fib6_nh_init+0x3d8/0x1580 [ 7762.516508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7762.516508][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7762.516508][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7762.516508][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7762.516508][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7762.516508][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7762.516508][ T10] addrconf_dad_begin+0x310/0x670 [ 7762.516508][ T10] addrconf_dad_work+0x10b/0xab0 [ 7762.516508][ T10] process_one_work+0x84d/0x18a0 [ 7762.516508][ T10] worker_thread+0x587/0xd30 [ 7762.516508][ T10] kthread+0x28a/0x350 [ 7762.516508][ T10] ret_from_fork+0x31/0x70 [ 7762.516508][ T10] ret_from_fork_asm+0x1a/0x30 [ 7762.516508][ T10] [ 7762.518578][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7762.518578][ T10] netdev_get_by_index+0x5e/0x80 [ 7762.518578][ T10] fib6_nh_init+0x3d8/0x1580 [ 7762.518578][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7762.518578][ T10] ip6_route_add+0x1c/0x140 [ 7762.518578][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7762.518578][ T10] inet6_addr_add+0x4f8/0xa40 [ 7762.518578][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7762.518578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7762.518578][ T10] netlink_rcv_skb+0x130/0x360 [ 7762.518578][ T10] netlink_unicast+0x449/0x710 [ 7762.518578][ T10] netlink_sendmsg+0x723/0xbe0 [ 7762.518578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7762.518578][ T10] ___sys_sendmsg+0xee/0x170 [ 7762.518578][ T10] __sys_sendmsg+0xcd/0x170 [ 7762.518578][ T10] do_syscall_64+0xc6/0x1e0 [ 7762.518578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7762.518578][ T10] [ 7762.520790][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7762.520790][ T10] netdev_get_by_index+0x5e/0x80 [ 7762.520790][ T10] fib6_nh_init+0x3d8/0x1580 [ 7762.520790][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7762.520790][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7762.520790][ T10] ipv6_add_addr+0x411/0x2000 [ 7762.520790][ T10] inet6_addr_add+0x30e/0xa40 [ 7762.520790][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7762.520790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7762.520790][ T10] netlink_rcv_skb+0x130/0x360 [ 7762.520790][ T10] netlink_unicast+0x449/0x710 [ 7762.520790][ T10] netlink_sendmsg+0x723/0xbe0 [ 7762.520790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7762.520790][ T10] ___sys_sendmsg+0xee/0x170 [ 7762.520790][ T10] __sys_sendmsg+0xcd/0x170 [ 7762.520790][ T10] do_syscall_64+0xc6/0x1e0 [ 7762.520790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7762.520790][ T10] [ 7762.523017][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7762.523017][ T10] netdev_get_by_index+0x5e/0x80 [ 7762.523017][ T10] fib6_nh_init+0x3d8/0x1580 [ 7762.523017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7762.523017][ T10] ip6_route_add+0x1c/0x140 [ 7762.523017][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7762.523017][ T10] addrconf_add_dev+0xe2/0x170 [ 7762.523017][ T10] inet6_addr_add+0x12f/0xa40 [ 7762.523017][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7762.523017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7762.523017][ T10] netlink_rcv_skb+0x130/0x360 [ 7762.523017][ T10] netlink_unicast+0x449/0x710 [ 7762.523017][ T10] netlink_sendmsg+0x723/0xbe0 [ 7762.523017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7762.523017][ T10] ___sys_sendmsg+0xee/0x170 [ 7762.523017][ T10] __sys_sendmsg+0xcd/0x170 [ 7762.523017][ T10] do_syscall_64+0xc6/0x1e0 [ 7762.523017][ T10] [ 7762.525255][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7762.525255][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7762.525255][ T10] ipv6_find_idev+0x102/0x170 [ 7762.525255][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7762.525255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7762.525255][ T10] netlink_rcv_skb+0x130/0x360 [ 7762.525255][ T10] netlink_unicast+0x449/0x710 [ 7762.525255][ T10] netlink_sendmsg+0x723/0xbe0 [ 7762.525255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7762.525255][ T10] ___sys_sendmsg+0xee/0x170 [ 7762.525255][ T10] __sys_sendmsg+0xcd/0x170 [ 7762.525255][ T10] do_syscall_64+0xc6/0x1e0 [ 7762.525255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7762.525255][ T10] [ 7762.526956][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7762.526956][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7762.526956][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7762.526956][ T10] ipv6_find_idev+0x102/0x170 [ 7762.526956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7762.526956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7762.526956][ T10] netlink_rcv_skb+0x130/0x360 [ 7762.526956][ T10] netlink_unicast+0x449/0x710 [ 7762.526956][ T10] netlink_sendmsg+0x723/0xbe0 [ 7762.526956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7762.526956][ T10] ___sys_sendmsg+0xee/0x170 [ 7762.526956][ T10] __sys_sendmsg+0xcd/0x170 [ 7762.526956][ T10] do_syscall_64+0xc6/0x1e0 [ 7762.526956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7762.526956][ T10] [ 7763.249104][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7763.249547][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7763.249547][ T1167] dst_init+0x84/0x4a0 [ 7763.249547][ T1167] dst_alloc+0x97/0x150 [ 7763.249547][ T1167] ip6_dst_alloc+0x23/0x90 [ 7763.249547][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7763.249547][ T1167] ip6_pol_route+0x56f/0x840 [ 7763.249547][ T1167] fib6_rule_lookup+0x334/0x630 [ 7763.249547][ T1167] ip6_route_output_flags+0x259/0x480 [ 7763.249547][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7763.249547][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7763.249547][ T1167] netlink_rcv_skb+0x130/0x360 [ 7763.249547][ T1167] netlink_unicast+0x449/0x710 [ 7763.249547][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7763.249547][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7763.249547][ T1167] ___sys_sendmsg+0xee/0x170 [ 7763.249547][ T1167] __sys_sendmsg+0xcd/0x170 [ 7763.249547][ T1167] do_syscall_64+0xc6/0x1e0 [ 7763.249547][ T1167] [ 7763.251766][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7763.251766][ T1167] netdev_get_by_index+0x5e/0x80 [ 7763.251766][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7763.251766][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7763.251766][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7763.251766][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7763.251766][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7763.251766][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7763.251766][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7763.251766][ T1167] addrconf_dad_begin+0x310/0x670 [ 7763.251766][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7763.251766][ T1167] process_one_work+0x84d/0x18a0 [ 7763.251766][ T1167] worker_thread+0x587/0xd30 [ 7763.251766][ T1167] kthread+0x28a/0x350 [ 7763.251766][ T1167] ret_from_fork+0x31/0x70 [ 7763.251766][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7763.251766][ T1167] [ 7763.253915][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7763.253915][ T1167] netdev_get_by_index+0x5e/0x80 [ 7763.253915][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7763.253915][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7763.253915][ T1167] ip6_route_add+0x1c/0x140 [ 7763.253915][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7763.253915][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7763.253915][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7763.253915][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7763.253915][ T1167] netlink_rcv_skb+0x130/0x360 [ 7763.253915][ T1167] netlink_unicast+0x449/0x710 [ 7763.253915][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7763.253915][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7763.253915][ T1167] ___sys_sendmsg+0xee/0x170 [ 7763.253915][ T1167] __sys_sendmsg+0xcd/0x170 [ 7763.253915][ T1167] do_syscall_64+0xc6/0x1e0 [ 7763.253915][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7763.253915][ T1167] [ 7763.256174][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7763.256174][ T1167] netdev_get_by_index+0x5e/0x80 [ 7763.256174][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7763.256174][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7763.256174][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7763.256174][ T1167] ipv6_add_addr+0x411/0x2000 [ 7763.256174][ T1167] inet6_addr_add+0x30e/0xa40 [ 7763.256174][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7763.256174][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7763.256174][ T1167] netlink_rcv_skb+0x130/0x360 [ 7763.256174][ T1167] netlink_unicast+0x449/0x710 [ 7763.256174][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7763.256174][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7763.256174][ T1167] ___sys_sendmsg+0xee/0x170 [ 7763.256174][ T1167] __sys_sendmsg+0xcd/0x170 [ 7763.256174][ T1167] do_syscall_64+0xc6/0x1e0 [ 7763.256174][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7763.256174][ T1167] [ 7763.258421][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7763.258421][ T1167] netdev_get_by_index+0x5e/0x80 [ 7763.258421][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7763.258421][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7763.258421][ T1167] ip6_route_add+0x1c/0x140 [ 7763.258421][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7763.258421][ T1167] addrconf_add_dev+0xe2/0x170 [ 7763.258421][ T1167] inet6_addr_add+0x12f/0xa40 [ 7763.258421][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7763.258421][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7763.258421][ T1167] netlink_rcv_skb+0x130/0x360 [ 7763.258421][ T1167] netlink_unicast+0x449/0x710 [ 7763.258421][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7763.258421][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7763.258421][ T1167] ___sys_sendmsg+0xee/0x170 [ 7763.258421][ T1167] __sys_sendmsg+0xcd/0x170 [ 7763.258421][ T1167] do_syscall_64+0xc6/0x1e0 [ 7763.258421][ T1167] [ 7763.260634][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7763.260634][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7763.260634][ T1167] ipv6_find_idev+0x102/0x170 [ 7763.260634][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7763.260634][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7763.260634][ T1167] netlink_rcv_skb+0x130/0x360 [ 7763.260634][ T1167] netlink_unicast+0x449/0x710 [ 7763.260634][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7763.260634][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7763.260634][ T1167] ___sys_sendmsg+0xee/0x170 [ 7763.260634][ T1167] __sys_sendmsg+0xcd/0x170 [ 7763.260634][ T1167] do_syscall_64+0xc6/0x1e0 [ 7763.260634][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7763.260634][ T1167] [ 7763.262370][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7763.262370][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7763.262370][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7763.262370][ T1167] ipv6_find_idev+0x102/0x170 [ 7763.262370][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7763.262370][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7763.262370][ T1167] netlink_rcv_skb+0x130/0x360 [ 7763.262370][ T1167] netlink_unicast+0x449/0x710 [ 7763.262370][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7763.262370][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7763.262370][ T1167] ___sys_sendmsg+0xee/0x170 [ 7763.262370][ T1167] __sys_sendmsg+0xcd/0x170 [ 7763.262370][ T1167] do_syscall_64+0xc6/0x1e0 [ 7763.262370][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7763.262370][ T1167] [ 7772.769096][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7772.769466][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7772.769466][ T10] netdev_get_by_index+0x5e/0x80 [ 7772.769466][ T10] fib6_nh_init+0x3d8/0x1580 [ 7772.769466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7772.769466][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7772.769466][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7772.769466][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7772.769466][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7772.769466][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7772.769466][ T10] addrconf_dad_begin+0x310/0x670 [ 7772.769466][ T10] addrconf_dad_work+0x10b/0xab0 [ 7772.769466][ T10] process_one_work+0x84d/0x18a0 [ 7772.769466][ T10] worker_thread+0x587/0xd30 [ 7772.769466][ T10] kthread+0x28a/0x350 [ 7772.769466][ T10] ret_from_fork+0x31/0x70 [ 7772.769466][ T10] ret_from_fork_asm+0x1a/0x30 [ 7772.769466][ T10] [ 7772.771415][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7772.771415][ T10] netdev_get_by_index+0x5e/0x80 [ 7772.771415][ T10] fib6_nh_init+0x3d8/0x1580 [ 7772.771415][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7772.771415][ T10] ip6_route_add+0x1c/0x140 [ 7772.771415][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7772.771415][ T10] inet6_addr_add+0x4f8/0xa40 [ 7772.771415][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7772.771415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7772.771415][ T10] netlink_rcv_skb+0x130/0x360 [ 7772.771415][ T10] netlink_unicast+0x449/0x710 [ 7772.771415][ T10] netlink_sendmsg+0x723/0xbe0 [ 7772.771415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7772.771415][ T10] ___sys_sendmsg+0xee/0x170 [ 7772.771415][ T10] __sys_sendmsg+0xcd/0x170 [ 7772.771415][ T10] do_syscall_64+0xc6/0x1e0 [ 7772.771415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7772.771415][ T10] [ 7772.773436][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7772.773436][ T10] netdev_get_by_index+0x5e/0x80 [ 7772.773436][ T10] fib6_nh_init+0x3d8/0x1580 [ 7772.773436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7772.773436][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7772.773436][ T10] ipv6_add_addr+0x411/0x2000 [ 7772.773436][ T10] inet6_addr_add+0x30e/0xa40 [ 7772.773436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7772.773436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7772.773436][ T10] netlink_rcv_skb+0x130/0x360 [ 7772.773436][ T10] netlink_unicast+0x449/0x710 [ 7772.773436][ T10] netlink_sendmsg+0x723/0xbe0 [ 7772.773436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7772.773436][ T10] ___sys_sendmsg+0xee/0x170 [ 7772.773436][ T10] __sys_sendmsg+0xcd/0x170 [ 7772.773436][ T10] do_syscall_64+0xc6/0x1e0 [ 7772.773436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7772.773436][ T10] [ 7772.775441][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7772.775441][ T10] netdev_get_by_index+0x5e/0x80 [ 7772.775441][ T10] fib6_nh_init+0x3d8/0x1580 [ 7772.775441][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7772.775441][ T10] ip6_route_add+0x1c/0x140 [ 7772.775441][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7772.775441][ T10] addrconf_add_dev+0xe2/0x170 [ 7772.775441][ T10] inet6_addr_add+0x12f/0xa40 [ 7772.775441][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7772.775441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7772.775441][ T10] netlink_rcv_skb+0x130/0x360 [ 7772.775441][ T10] netlink_unicast+0x449/0x710 [ 7772.775441][ T10] netlink_sendmsg+0x723/0xbe0 [ 7772.775441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7772.775441][ T10] ___sys_sendmsg+0xee/0x170 [ 7772.775441][ T10] __sys_sendmsg+0xcd/0x170 [ 7772.775441][ T10] do_syscall_64+0xc6/0x1e0 [ 7772.775441][ T10] [ 7772.777416][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7772.777416][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7772.777416][ T10] ipv6_find_idev+0x102/0x170 [ 7772.777416][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7772.777416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7772.777416][ T10] netlink_rcv_skb+0x130/0x360 [ 7772.777416][ T10] netlink_unicast+0x449/0x710 [ 7772.777416][ T10] netlink_sendmsg+0x723/0xbe0 [ 7772.777416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7772.777416][ T10] ___sys_sendmsg+0xee/0x170 [ 7772.777416][ T10] __sys_sendmsg+0xcd/0x170 [ 7772.777416][ T10] do_syscall_64+0xc6/0x1e0 [ 7772.777416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7772.777416][ T10] [ 7772.778963][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7772.778963][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7772.778963][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7772.778963][ T10] ipv6_find_idev+0x102/0x170 [ 7772.778963][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7772.778963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7772.778963][ T10] netlink_rcv_skb+0x130/0x360 [ 7772.778963][ T10] netlink_unicast+0x449/0x710 [ 7772.778963][ T10] netlink_sendmsg+0x723/0xbe0 [ 7772.778963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7772.778963][ T10] ___sys_sendmsg+0xee/0x170 [ 7772.778963][ T10] __sys_sendmsg+0xcd/0x170 [ 7772.778963][ T10] do_syscall_64+0xc6/0x1e0 [ 7772.778963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7772.778963][ T10] [ 7772.780674][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7772.780919][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7772.780919][ T10] netdev_get_by_index+0x5e/0x80 [ 7772.780919][ T10] fib6_nh_init+0x3d8/0x1580 [ 7772.780919][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7772.780919][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7772.780919][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7772.780919][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7772.780919][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7772.780919][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7772.780919][ T10] addrconf_dad_begin+0x310/0x670 [ 7772.780919][ T10] addrconf_dad_work+0x10b/0xab0 [ 7772.780919][ T10] process_one_work+0x84d/0x18a0 [ 7772.780919][ T10] worker_thread+0x587/0xd30 [ 7772.780919][ T10] kthread+0x28a/0x350 [ 7772.780919][ T10] ret_from_fork+0x31/0x70 [ 7772.780919][ T10] ret_from_fork_asm+0x1a/0x30 [ 7772.780919][ T10] [ 7772.782845][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7772.782845][ T10] netdev_get_by_index+0x5e/0x80 [ 7772.782845][ T10] fib6_nh_init+0x3d8/0x1580 [ 7772.782845][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7772.782845][ T10] ip6_route_add+0x1c/0x140 [ 7772.782845][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7772.782845][ T10] inet6_addr_add+0x4f8/0xa40 [ 7772.782845][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7772.782845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7772.782845][ T10] netlink_rcv_skb+0x130/0x360 [ 7772.782845][ T10] netlink_unicast+0x449/0x710 [ 7772.782845][ T10] netlink_sendmsg+0x723/0xbe0 [ 7772.782845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7772.782845][ T10] ___sys_sendmsg+0xee/0x170 [ 7772.782845][ T10] __sys_sendmsg+0xcd/0x170 [ 7772.782845][ T10] do_syscall_64+0xc6/0x1e0 [ 7772.782845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7772.782845][ T10] [ 7772.784870][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7772.784870][ T10] netdev_get_by_index+0x5e/0x80 [ 7772.784870][ T10] fib6_nh_init+0x3d8/0x1580 [ 7772.784870][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7772.784870][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7772.784870][ T10] ipv6_add_addr+0x411/0x2000 [ 7772.784870][ T10] inet6_addr_add+0x30e/0xa40 [ 7772.784870][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7772.784870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7772.784870][ T10] netlink_rcv_skb+0x130/0x360 [ 7772.784870][ T10] netlink_unicast+0x449/0x710 [ 7772.784870][ T10] netlink_sendmsg+0x723/0xbe0 [ 7772.784870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7772.784870][ T10] ___sys_sendmsg+0xee/0x170 [ 7772.784870][ T10] __sys_sendmsg+0xcd/0x170 [ 7772.784870][ T10] do_syscall_64+0xc6/0x1e0 [ 7772.784870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7772.784870][ T10] [ 7772.786876][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7772.786876][ T10] netdev_get_by_index+0x5e/0x80 [ 7772.786876][ T10] fib6_nh_init+0x3d8/0x1580 [ 7772.786876][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7772.786876][ T10] ip6_route_add+0x1c/0x140 [ 7772.786876][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7772.786876][ T10] addrconf_add_dev+0xe2/0x170 [ 7772.786876][ T10] inet6_addr_add+0x12f/0xa40 [ 7772.786876][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7772.786876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7772.786876][ T10] netlink_rcv_skb+0x130/0x360 [ 7772.786876][ T10] netlink_unicast+0x449/0x710 [ 7772.786876][ T10] netlink_sendmsg+0x723/0xbe0 [ 7772.786876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7772.786876][ T10] ___sys_sendmsg+0xee/0x170 [ 7772.786876][ T10] __sys_sendmsg+0xcd/0x170 [ 7772.786876][ T10] do_syscall_64+0xc6/0x1e0 [ 7772.786876][ T10] [ 7772.788845][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7772.788845][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7772.788845][ T10] ipv6_find_idev+0x102/0x170 [ 7772.788845][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7772.788845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7772.788845][ T10] netlink_rcv_skb+0x130/0x360 [ 7772.788845][ T10] netlink_unicast+0x449/0x710 [ 7772.788845][ T10] netlink_sendmsg+0x723/0xbe0 [ 7772.788845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7772.788845][ T10] ___sys_sendmsg+0xee/0x170 [ 7772.788845][ T10] __sys_sendmsg+0xcd/0x170 [ 7772.788845][ T10] do_syscall_64+0xc6/0x1e0 [ 7772.788845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7772.788845][ T10] [ 7772.790392][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7772.790392][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7772.790392][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7772.790392][ T10] ipv6_find_idev+0x102/0x170 [ 7772.790392][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7772.790392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7772.790392][ T10] netlink_rcv_skb+0x130/0x360 [ 7772.790392][ T10] netlink_unicast+0x449/0x710 [ 7772.790392][ T10] netlink_sendmsg+0x723/0xbe0 [ 7772.790392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7772.790392][ T10] ___sys_sendmsg+0xee/0x170 [ 7772.790392][ T10] __sys_sendmsg+0xcd/0x170 [ 7772.790392][ T10] do_syscall_64+0xc6/0x1e0 [ 7772.790392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7772.790392][ T10] [ 7772.792089][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7772.792329][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7772.792329][ T10] netdev_get_by_index+0x5e/0x80 [ 7772.792329][ T10] fib6_nh_init+0x3d8/0x1580 [ 7772.792329][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7772.792329][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7772.792329][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7772.792329][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7772.792329][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7772.792329][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7772.792329][ T10] addrconf_dad_begin+0x310/0x670 [ 7772.792329][ T10] addrconf_dad_work+0x10b/0xab0 [ 7772.792329][ T10] process_one_work+0x84d/0x18a0 [ 7772.792329][ T10] worker_thread+0x587/0xd30 [ 7772.792329][ T10] kthread+0x28a/0x350 [ 7772.792329][ T10] ret_from_fork+0x31/0x70 [ 7772.792329][ T10] ret_from_fork_asm+0x1a/0x30 [ 7772.792329][ T10] [ 7772.794250][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7772.794250][ T10] netdev_get_by_index+0x5e/0x80 [ 7772.794250][ T10] fib6_nh_init+0x3d8/0x1580 [ 7772.794250][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7772.794250][ T10] ip6_route_add+0x1c/0x140 [ 7772.794250][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7772.794250][ T10] inet6_addr_add+0x4f8/0xa40 [ 7772.794250][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7772.794250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7772.794250][ T10] netlink_rcv_skb+0x130/0x360 [ 7772.794250][ T10] netlink_unicast+0x449/0x710 [ 7772.794250][ T10] netlink_sendmsg+0x723/0xbe0 [ 7772.794250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7772.794250][ T10] ___sys_sendmsg+0xee/0x170 [ 7772.794250][ T10] __sys_sendmsg+0xcd/0x170 [ 7772.794250][ T10] do_syscall_64+0xc6/0x1e0 [ 7772.794250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7772.794250][ T10] [ 7772.796437][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7772.796437][ T10] netdev_get_by_index+0x5e/0x80 [ 7772.796437][ T10] fib6_nh_init+0x3d8/0x1580 [ 7772.796437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7772.796437][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7772.796437][ T10] ipv6_add_addr+0x411/0x2000 [ 7772.796437][ T10] inet6_addr_add+0x30e/0xa40 [ 7772.796437][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7772.796437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7772.796437][ T10] netlink_rcv_skb+0x130/0x360 [ 7772.796437][ T10] netlink_unicast+0x449/0x710 [ 7772.796437][ T10] netlink_sendmsg+0x723/0xbe0 [ 7772.796437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7772.796437][ T10] ___sys_sendmsg+0xee/0x170 [ 7772.796437][ T10] __sys_sendmsg+0xcd/0x170 [ 7772.796437][ T10] do_syscall_64+0xc6/0x1e0 [ 7772.796437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7772.796437][ T10] [ 7772.798680][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7772.798680][ T10] netdev_get_by_index+0x5e/0x80 [ 7772.798680][ T10] fib6_nh_init+0x3d8/0x1580 [ 7772.798680][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7772.798680][ T10] ip6_route_add+0x1c/0x140 [ 7772.798680][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7772.798680][ T10] addrconf_add_dev+0xe2/0x170 [ 7772.798680][ T10] inet6_addr_add+0x12f/0xa40 [ 7772.798680][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7772.798680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7772.798680][ T10] netlink_rcv_skb+0x130/0x360 [ 7772.798680][ T10] netlink_unicast+0x449/0x710 [ 7772.798680][ T10] netlink_sendmsg+0x723/0xbe0 [ 7772.798680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7772.798680][ T10] ___sys_sendmsg+0xee/0x170 [ 7772.798680][ T10] __sys_sendmsg+0xcd/0x170 [ 7772.798680][ T10] do_syscall_64+0xc6/0x1e0 [ 7772.798680][ T10] [ 7772.800830][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7772.800830][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7772.800830][ T10] ipv6_find_idev+0x102/0x170 [ 7772.800830][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7772.800830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7772.800830][ T10] netlink_rcv_skb+0x130/0x360 [ 7772.800830][ T10] netlink_unicast+0x449/0x710 [ 7772.800830][ T10] netlink_sendmsg+0x723/0xbe0 [ 7772.800830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7772.800830][ T10] ___sys_sendmsg+0xee/0x170 [ 7772.800830][ T10] __sys_sendmsg+0xcd/0x170 [ 7772.800830][ T10] do_syscall_64+0xc6/0x1e0 [ 7772.800830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7772.800830][ T10] [ 7772.802631][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7772.802631][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7772.802631][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7772.802631][ T10] ipv6_find_idev+0x102/0x170 [ 7772.802631][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7772.802631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7772.802631][ T10] netlink_rcv_skb+0x130/0x360 [ 7772.802631][ T10] netlink_unicast+0x449/0x710 [ 7772.802631][ T10] netlink_sendmsg+0x723/0xbe0 [ 7772.802631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7772.802631][ T10] ___sys_sendmsg+0xee/0x170 [ 7772.802631][ T10] __sys_sendmsg+0xcd/0x170 [ 7772.802631][ T10] do_syscall_64+0xc6/0x1e0 [ 7772.802631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7772.802631][ T10] [ 7772.804562][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7772.804799][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7772.804799][ T10] netdev_get_by_index+0x5e/0x80 [ 7772.804799][ T10] fib6_nh_init+0x3d8/0x1580 [ 7772.804799][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7772.804799][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7772.804799][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7772.804799][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7772.804799][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7772.804799][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7772.804799][ T10] addrconf_dad_begin+0x310/0x670 [ 7772.804799][ T10] addrconf_dad_work+0x10b/0xab0 [ 7772.804799][ T10] process_one_work+0x84d/0x18a0 [ 7772.804799][ T10] worker_thread+0x587/0xd30 [ 7772.804799][ T10] kthread+0x28a/0x350 [ 7772.804799][ T10] ret_from_fork+0x31/0x70 [ 7772.804799][ T10] ret_from_fork_asm+0x1a/0x30 [ 7772.804799][ T10] [ 7772.806964][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7772.806964][ T10] netdev_get_by_index+0x5e/0x80 [ 7772.806964][ T10] fib6_nh_init+0x3d8/0x1580 [ 7772.806964][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7772.806964][ T10] ip6_route_add+0x1c/0x140 [ 7772.806964][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7772.806964][ T10] inet6_addr_add+0x4f8/0xa40 [ 7772.806964][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7772.806964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7772.806964][ T10] netlink_rcv_skb+0x130/0x360 [ 7772.806964][ T10] netlink_unicast+0x449/0x710 [ 7772.806964][ T10] netlink_sendmsg+0x723/0xbe0 [ 7772.806964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7772.806964][ T10] ___sys_sendmsg+0xee/0x170 [ 7772.806964][ T10] __sys_sendmsg+0xcd/0x170 [ 7772.806964][ T10] do_syscall_64+0xc6/0x1e0 [ 7772.806964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7772.806964][ T10] [ 7772.809158][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7772.809158][ T10] netdev_get_by_index+0x5e/0x80 [ 7772.809158][ T10] fib6_nh_init+0x3d8/0x1580 [ 7772.809158][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7772.809158][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7772.809158][ T10] ipv6_add_addr+0x411/0x2000 [ 7772.809158][ T10] inet6_addr_add+0x30e/0xa40 [ 7772.809158][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7772.809158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7772.809158][ T10] netlink_rcv_skb+0x130/0x360 [ 7772.809158][ T10] netlink_unicast+0x449/0x710 [ 7772.809158][ T10] netlink_sendmsg+0x723/0xbe0 [ 7772.809158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7772.809158][ T10] ___sys_sendmsg+0xee/0x170 [ 7772.809158][ T10] __sys_sendmsg+0xcd/0x170 [ 7772.809158][ T10] do_syscall_64+0xc6/0x1e0 [ 7772.809158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7772.809158][ T10] [ 7772.811477][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7772.811477][ T10] netdev_get_by_index+0x5e/0x80 [ 7772.811477][ T10] fib6_nh_init+0x3d8/0x1580 [ 7772.811477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7772.811477][ T10] ip6_route_add+0x1c/0x140 [ 7772.811477][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7772.811477][ T10] addrconf_add_dev+0xe2/0x170 [ 7772.811477][ T10] inet6_addr_add+0x12f/0xa40 [ 7772.811477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7772.811477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7772.811477][ T10] netlink_rcv_skb+0x130/0x360 [ 7772.811477][ T10] netlink_unicast+0x449/0x710 [ 7772.811477][ T10] netlink_sendmsg+0x723/0xbe0 [ 7772.811477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7772.811477][ T10] ___sys_sendmsg+0xee/0x170 [ 7772.811477][ T10] __sys_sendmsg+0xcd/0x170 [ 7772.811477][ T10] do_syscall_64+0xc6/0x1e0 [ 7772.811477][ T10] [ 7772.813690][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7772.813690][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7772.813690][ T10] ipv6_find_idev+0x102/0x170 [ 7772.813690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7772.813690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7772.813690][ T10] netlink_rcv_skb+0x130/0x360 [ 7772.813690][ T10] netlink_unicast+0x449/0x710 [ 7772.813690][ T10] netlink_sendmsg+0x723/0xbe0 [ 7772.813690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7772.813690][ T10] ___sys_sendmsg+0xee/0x170 [ 7772.813690][ T10] __sys_sendmsg+0xcd/0x170 [ 7772.813690][ T10] do_syscall_64+0xc6/0x1e0 [ 7772.813690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7772.813690][ T10] [ 7772.815410][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7772.815410][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7772.815410][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7772.815410][ T10] ipv6_find_idev+0x102/0x170 [ 7772.815410][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7772.815410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7772.815410][ T10] netlink_rcv_skb+0x130/0x360 [ 7772.815410][ T10] netlink_unicast+0x449/0x710 [ 7772.815410][ T10] netlink_sendmsg+0x723/0xbe0 [ 7772.815410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7772.815410][ T10] ___sys_sendmsg+0xee/0x170 [ 7772.815410][ T10] __sys_sendmsg+0xcd/0x170 [ 7772.815410][ T10] do_syscall_64+0xc6/0x1e0 [ 7772.815410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7772.815410][ T10] [ 7773.505093][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7773.505482][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7773.505482][ T1167] dst_init+0x84/0x4a0 [ 7773.505482][ T1167] dst_alloc+0x97/0x150 [ 7773.505482][ T1167] ip6_dst_alloc+0x23/0x90 [ 7773.505482][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7773.505482][ T1167] ip6_pol_route+0x56f/0x840 [ 7773.505482][ T1167] fib6_rule_lookup+0x334/0x630 [ 7773.505482][ T1167] ip6_route_output_flags+0x259/0x480 [ 7773.505482][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7773.505482][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7773.505482][ T1167] netlink_rcv_skb+0x130/0x360 [ 7773.505482][ T1167] netlink_unicast+0x449/0x710 [ 7773.505482][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7773.505482][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7773.505482][ T1167] ___sys_sendmsg+0xee/0x170 [ 7773.505482][ T1167] __sys_sendmsg+0xcd/0x170 [ 7773.505482][ T1167] do_syscall_64+0xc6/0x1e0 [ 7773.505482][ T1167] [ 7773.508214][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7773.508214][ T1167] netdev_get_by_index+0x5e/0x80 [ 7773.508214][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7773.508214][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7773.508214][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7773.508214][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7773.508214][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7773.508214][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7773.508214][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7773.508214][ T1167] addrconf_dad_begin+0x310/0x670 [ 7773.508214][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7773.508214][ T1167] process_one_work+0x84d/0x18a0 [ 7773.508214][ T1167] worker_thread+0x587/0xd30 [ 7773.508214][ T1167] kthread+0x28a/0x350 [ 7773.508214][ T1167] ret_from_fork+0x31/0x70 [ 7773.508214][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7773.508214][ T1167] [ 7773.510366][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7773.510366][ T1167] netdev_get_by_index+0x5e/0x80 [ 7773.510366][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7773.510366][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7773.510366][ T1167] ip6_route_add+0x1c/0x140 [ 7773.510366][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7773.510366][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7773.510366][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7773.510366][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7773.510366][ T1167] netlink_rcv_skb+0x130/0x360 [ 7773.510366][ T1167] netlink_unicast+0x449/0x710 [ 7773.510366][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7773.510366][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7773.510366][ T1167] ___sys_sendmsg+0xee/0x170 [ 7773.510366][ T1167] __sys_sendmsg+0xcd/0x170 [ 7773.510366][ T1167] do_syscall_64+0xc6/0x1e0 [ 7773.510366][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7773.510366][ T1167] [ 7773.512639][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7773.512639][ T1167] netdev_get_by_index+0x5e/0x80 [ 7773.512639][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7773.512639][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7773.512639][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7773.512639][ T1167] ipv6_add_addr+0x411/0x2000 [ 7773.512639][ T1167] inet6_addr_add+0x30e/0xa40 [ 7773.512639][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7773.512639][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7773.512639][ T1167] netlink_rcv_skb+0x130/0x360 [ 7773.512639][ T1167] netlink_unicast+0x449/0x710 [ 7773.512639][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7773.512639][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7773.512639][ T1167] ___sys_sendmsg+0xee/0x170 [ 7773.512639][ T1167] __sys_sendmsg+0xcd/0x170 [ 7773.512639][ T1167] do_syscall_64+0xc6/0x1e0 [ 7773.512639][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7773.512639][ T1167] [ 7773.514892][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7773.514892][ T1167] netdev_get_by_index+0x5e/0x80 [ 7773.514892][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7773.514892][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7773.514892][ T1167] ip6_route_add+0x1c/0x140 [ 7773.514892][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7773.514892][ T1167] addrconf_add_dev+0xe2/0x170 [ 7773.514892][ T1167] inet6_addr_add+0x12f/0xa40 [ 7773.514892][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7773.514892][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7773.514892][ T1167] netlink_rcv_skb+0x130/0x360 [ 7773.514892][ T1167] netlink_unicast+0x449/0x710 [ 7773.514892][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7773.514892][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7773.514892][ T1167] ___sys_sendmsg+0xee/0x170 [ 7773.514892][ T1167] __sys_sendmsg+0xcd/0x170 [ 7773.514892][ T1167] do_syscall_64+0xc6/0x1e0 [ 7773.514892][ T1167] [ 7773.517113][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7773.517113][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7773.517113][ T1167] ipv6_find_idev+0x102/0x170 [ 7773.517113][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7773.517113][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7773.517113][ T1167] netlink_rcv_skb+0x130/0x360 [ 7773.517113][ T1167] netlink_unicast+0x449/0x710 [ 7773.517113][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7773.517113][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7773.517113][ T1167] ___sys_sendmsg+0xee/0x170 [ 7773.517113][ T1167] __sys_sendmsg+0xcd/0x170 [ 7773.517113][ T1167] do_syscall_64+0xc6/0x1e0 [ 7773.517113][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7773.517113][ T1167] [ 7773.518847][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7773.518847][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7773.518847][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7773.518847][ T1167] ipv6_find_idev+0x102/0x170 [ 7773.518847][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7773.518847][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7773.518847][ T1167] netlink_rcv_skb+0x130/0x360 [ 7773.518847][ T1167] netlink_unicast+0x449/0x710 [ 7773.518847][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7773.518847][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7773.518847][ T1167] ___sys_sendmsg+0xee/0x170 [ 7773.518847][ T1167] __sys_sendmsg+0xcd/0x170 [ 7773.518847][ T1167] do_syscall_64+0xc6/0x1e0 [ 7773.518847][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7773.518847][ T1167] [ 7782.873115][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7782.873541][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7782.873541][ T10] netdev_get_by_index+0x5e/0x80 [ 7782.873541][ T10] fib6_nh_init+0x3d8/0x1580 [ 7782.873541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7782.873541][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7782.873541][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7782.873541][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7782.873541][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7782.873541][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7782.873541][ T10] addrconf_dad_begin+0x310/0x670 [ 7782.873541][ T10] addrconf_dad_work+0x10b/0xab0 [ 7782.873541][ T10] process_one_work+0x84d/0x18a0 [ 7782.873541][ T10] worker_thread+0x587/0xd30 [ 7782.873541][ T10] kthread+0x28a/0x350 [ 7782.873541][ T10] ret_from_fork+0x31/0x70 [ 7782.873541][ T10] ret_from_fork_asm+0x1a/0x30 [ 7782.873541][ T10] [ 7782.875510][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7782.875510][ T10] netdev_get_by_index+0x5e/0x80 [ 7782.875510][ T10] fib6_nh_init+0x3d8/0x1580 [ 7782.875510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7782.875510][ T10] ip6_route_add+0x1c/0x140 [ 7782.875510][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7782.875510][ T10] inet6_addr_add+0x4f8/0xa40 [ 7782.875510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7782.875510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7782.875510][ T10] netlink_rcv_skb+0x130/0x360 [ 7782.875510][ T10] netlink_unicast+0x449/0x710 [ 7782.875510][ T10] netlink_sendmsg+0x723/0xbe0 [ 7782.875510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7782.875510][ T10] ___sys_sendmsg+0xee/0x170 [ 7782.875510][ T10] __sys_sendmsg+0xcd/0x170 [ 7782.875510][ T10] do_syscall_64+0xc6/0x1e0 [ 7782.875510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7782.875510][ T10] [ 7782.877513][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7782.877513][ T10] netdev_get_by_index+0x5e/0x80 [ 7782.877513][ T10] fib6_nh_init+0x3d8/0x1580 [ 7782.877513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7782.877513][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7782.877513][ T10] ipv6_add_addr+0x411/0x2000 [ 7782.877513][ T10] inet6_addr_add+0x30e/0xa40 [ 7782.877513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7782.877513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7782.877513][ T10] netlink_rcv_skb+0x130/0x360 [ 7782.877513][ T10] netlink_unicast+0x449/0x710 [ 7782.877513][ T10] netlink_sendmsg+0x723/0xbe0 [ 7782.877513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7782.877513][ T10] ___sys_sendmsg+0xee/0x170 [ 7782.877513][ T10] __sys_sendmsg+0xcd/0x170 [ 7782.877513][ T10] do_syscall_64+0xc6/0x1e0 [ 7782.877513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7782.877513][ T10] [ 7782.879529][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7782.879529][ T10] netdev_get_by_index+0x5e/0x80 [ 7782.879529][ T10] fib6_nh_init+0x3d8/0x1580 [ 7782.879529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7782.879529][ T10] ip6_route_add+0x1c/0x140 [ 7782.879529][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7782.879529][ T10] addrconf_add_dev+0xe2/0x170 [ 7782.879529][ T10] inet6_addr_add+0x12f/0xa40 [ 7782.879529][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7782.879529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7782.879529][ T10] netlink_rcv_skb+0x130/0x360 [ 7782.879529][ T10] netlink_unicast+0x449/0x710 [ 7782.879529][ T10] netlink_sendmsg+0x723/0xbe0 [ 7782.879529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7782.879529][ T10] ___sys_sendmsg+0xee/0x170 [ 7782.879529][ T10] __sys_sendmsg+0xcd/0x170 [ 7782.879529][ T10] do_syscall_64+0xc6/0x1e0 [ 7782.879529][ T10] [ 7782.881508][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7782.881508][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7782.881508][ T10] ipv6_find_idev+0x102/0x170 [ 7782.881508][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7782.881508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7782.881508][ T10] netlink_rcv_skb+0x130/0x360 [ 7782.881508][ T10] netlink_unicast+0x449/0x710 [ 7782.881508][ T10] netlink_sendmsg+0x723/0xbe0 [ 7782.881508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7782.881508][ T10] ___sys_sendmsg+0xee/0x170 [ 7782.881508][ T10] __sys_sendmsg+0xcd/0x170 [ 7782.881508][ T10] do_syscall_64+0xc6/0x1e0 [ 7782.881508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7782.881508][ T10] [ 7782.883052][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7782.883052][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7782.883052][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7782.883052][ T10] ipv6_find_idev+0x102/0x170 [ 7782.883052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7782.883052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7782.883052][ T10] netlink_rcv_skb+0x130/0x360 [ 7782.883052][ T10] netlink_unicast+0x449/0x710 [ 7782.883052][ T10] netlink_sendmsg+0x723/0xbe0 [ 7782.883052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7782.883052][ T10] ___sys_sendmsg+0xee/0x170 [ 7782.883052][ T10] __sys_sendmsg+0xcd/0x170 [ 7782.883052][ T10] do_syscall_64+0xc6/0x1e0 [ 7782.883052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7782.883052][ T10] [ 7782.884749][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7782.885000][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7782.885000][ T10] netdev_get_by_index+0x5e/0x80 [ 7782.885000][ T10] fib6_nh_init+0x3d8/0x1580 [ 7782.885000][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7782.885000][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7782.885000][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7782.885000][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7782.885000][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7782.885000][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7782.885000][ T10] addrconf_dad_begin+0x310/0x670 [ 7782.885000][ T10] addrconf_dad_work+0x10b/0xab0 [ 7782.885000][ T10] process_one_work+0x84d/0x18a0 [ 7782.885000][ T10] worker_thread+0x587/0xd30 [ 7782.885000][ T10] kthread+0x28a/0x350 [ 7782.885000][ T10] ret_from_fork+0x31/0x70 [ 7782.885000][ T10] ret_from_fork_asm+0x1a/0x30 [ 7782.885000][ T10] [ 7782.886908][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7782.886908][ T10] netdev_get_by_index+0x5e/0x80 [ 7782.886908][ T10] fib6_nh_init+0x3d8/0x1580 [ 7782.886908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7782.886908][ T10] ip6_route_add+0x1c/0x140 [ 7782.886908][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7782.886908][ T10] inet6_addr_add+0x4f8/0xa40 [ 7782.886908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7782.886908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7782.886908][ T10] netlink_rcv_skb+0x130/0x360 [ 7782.886908][ T10] netlink_unicast+0x449/0x710 [ 7782.886908][ T10] netlink_sendmsg+0x723/0xbe0 [ 7782.886908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7782.886908][ T10] ___sys_sendmsg+0xee/0x170 [ 7782.886908][ T10] __sys_sendmsg+0xcd/0x170 [ 7782.886908][ T10] do_syscall_64+0xc6/0x1e0 [ 7782.886908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7782.886908][ T10] [ 7782.888909][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7782.888909][ T10] netdev_get_by_index+0x5e/0x80 [ 7782.888909][ T10] fib6_nh_init+0x3d8/0x1580 [ 7782.888909][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7782.888909][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7782.888909][ T10] ipv6_add_addr+0x411/0x2000 [ 7782.888909][ T10] inet6_addr_add+0x30e/0xa40 [ 7782.888909][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7782.888909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7782.888909][ T10] netlink_rcv_skb+0x130/0x360 [ 7782.888909][ T10] netlink_unicast+0x449/0x710 [ 7782.888909][ T10] netlink_sendmsg+0x723/0xbe0 [ 7782.888909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7782.888909][ T10] ___sys_sendmsg+0xee/0x170 [ 7782.888909][ T10] __sys_sendmsg+0xcd/0x170 [ 7782.888909][ T10] do_syscall_64+0xc6/0x1e0 [ 7782.888909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7782.888909][ T10] [ 7782.890912][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7782.890912][ T10] netdev_get_by_index+0x5e/0x80 [ 7782.890912][ T10] fib6_nh_init+0x3d8/0x1580 [ 7782.890912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7782.890912][ T10] ip6_route_add+0x1c/0x140 [ 7782.890912][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7782.890912][ T10] addrconf_add_dev+0xe2/0x170 [ 7782.890912][ T10] inet6_addr_add+0x12f/0xa40 [ 7782.890912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7782.890912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7782.890912][ T10] netlink_rcv_skb+0x130/0x360 [ 7782.890912][ T10] netlink_unicast+0x449/0x710 [ 7782.890912][ T10] netlink_sendmsg+0x723/0xbe0 [ 7782.890912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7782.890912][ T10] ___sys_sendmsg+0xee/0x170 [ 7782.890912][ T10] __sys_sendmsg+0xcd/0x170 [ 7782.890912][ T10] do_syscall_64+0xc6/0x1e0 [ 7782.890912][ T10] [ 7782.892881][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7782.892881][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7782.892881][ T10] ipv6_find_idev+0x102/0x170 [ 7782.892881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7782.892881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7782.892881][ T10] netlink_rcv_skb+0x130/0x360 [ 7782.892881][ T10] netlink_unicast+0x449/0x710 [ 7782.892881][ T10] netlink_sendmsg+0x723/0xbe0 [ 7782.892881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7782.892881][ T10] ___sys_sendmsg+0xee/0x170 [ 7782.892881][ T10] __sys_sendmsg+0xcd/0x170 [ 7782.892881][ T10] do_syscall_64+0xc6/0x1e0 [ 7782.892881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7782.892881][ T10] [ 7782.894417][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7782.894417][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7782.894417][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7782.894417][ T10] ipv6_find_idev+0x102/0x170 [ 7782.894417][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7782.894417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7782.894417][ T10] netlink_rcv_skb+0x130/0x360 [ 7782.894417][ T10] netlink_unicast+0x449/0x710 [ 7782.894417][ T10] netlink_sendmsg+0x723/0xbe0 [ 7782.894417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7782.894417][ T10] ___sys_sendmsg+0xee/0x170 [ 7782.894417][ T10] __sys_sendmsg+0xcd/0x170 [ 7782.894417][ T10] do_syscall_64+0xc6/0x1e0 [ 7782.894417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7782.894417][ T10] [ 7782.896108][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7782.896347][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7782.896347][ T10] netdev_get_by_index+0x5e/0x80 [ 7782.896347][ T10] fib6_nh_init+0x3d8/0x1580 [ 7782.896347][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7782.896347][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7782.896347][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7782.896347][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7782.896347][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7782.896347][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7782.896347][ T10] addrconf_dad_begin+0x310/0x670 [ 7782.896347][ T10] addrconf_dad_work+0x10b/0xab0 [ 7782.896347][ T10] process_one_work+0x84d/0x18a0 [ 7782.896347][ T10] worker_thread+0x587/0xd30 [ 7782.896347][ T10] kthread+0x28a/0x350 [ 7782.896347][ T10] ret_from_fork+0x31/0x70 [ 7782.896347][ T10] ret_from_fork_asm+0x1a/0x30 [ 7782.896347][ T10] [ 7782.898262][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7782.898262][ T10] netdev_get_by_index+0x5e/0x80 [ 7782.898262][ T10] fib6_nh_init+0x3d8/0x1580 [ 7782.898262][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7782.898262][ T10] ip6_route_add+0x1c/0x140 [ 7782.898262][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7782.898262][ T10] inet6_addr_add+0x4f8/0xa40 [ 7782.898262][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7782.898262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7782.898262][ T10] netlink_rcv_skb+0x130/0x360 [ 7782.898262][ T10] netlink_unicast+0x449/0x710 [ 7782.898262][ T10] netlink_sendmsg+0x723/0xbe0 [ 7782.898262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7782.898262][ T10] ___sys_sendmsg+0xee/0x170 [ 7782.898262][ T10] __sys_sendmsg+0xcd/0x170 [ 7782.898262][ T10] do_syscall_64+0xc6/0x1e0 [ 7782.898262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7782.898262][ T10] [ 7782.900421][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7782.900421][ T10] netdev_get_by_index+0x5e/0x80 [ 7782.900421][ T10] fib6_nh_init+0x3d8/0x1580 [ 7782.900421][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7782.900421][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7782.900421][ T10] ipv6_add_addr+0x411/0x2000 [ 7782.900421][ T10] inet6_addr_add+0x30e/0xa40 [ 7782.900421][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7782.900421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7782.900421][ T10] netlink_rcv_skb+0x130/0x360 [ 7782.900421][ T10] netlink_unicast+0x449/0x710 [ 7782.900421][ T10] netlink_sendmsg+0x723/0xbe0 [ 7782.900421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7782.900421][ T10] ___sys_sendmsg+0xee/0x170 [ 7782.900421][ T10] __sys_sendmsg+0xcd/0x170 [ 7782.900421][ T10] do_syscall_64+0xc6/0x1e0 [ 7782.900421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7782.900421][ T10] [ 7782.902583][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7782.902583][ T10] netdev_get_by_index+0x5e/0x80 [ 7782.902583][ T10] fib6_nh_init+0x3d8/0x1580 [ 7782.902583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7782.902583][ T10] ip6_route_add+0x1c/0x140 [ 7782.902583][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7782.902583][ T10] addrconf_add_dev+0xe2/0x170 [ 7782.902583][ T10] inet6_addr_add+0x12f/0xa40 [ 7782.902583][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7782.902583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7782.902583][ T10] netlink_rcv_skb+0x130/0x360 [ 7782.902583][ T10] netlink_unicast+0x449/0x710 [ 7782.902583][ T10] netlink_sendmsg+0x723/0xbe0 [ 7782.902583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7782.902583][ T10] ___sys_sendmsg+0xee/0x170 [ 7782.902583][ T10] __sys_sendmsg+0xcd/0x170 [ 7782.902583][ T10] do_syscall_64+0xc6/0x1e0 [ 7782.902583][ T10] [ 7782.904687][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7782.904687][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7782.904687][ T10] ipv6_find_idev+0x102/0x170 [ 7782.904687][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7782.904687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7782.904687][ T10] netlink_rcv_skb+0x130/0x360 [ 7782.904687][ T10] netlink_unicast+0x449/0x710 [ 7782.904687][ T10] netlink_sendmsg+0x723/0xbe0 [ 7782.904687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7782.904687][ T10] ___sys_sendmsg+0xee/0x170 [ 7782.904687][ T10] __sys_sendmsg+0xcd/0x170 [ 7782.904687][ T10] do_syscall_64+0xc6/0x1e0 [ 7782.904687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7782.904687][ T10] [ 7782.906297][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7782.906297][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7782.906297][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7782.906297][ T10] ipv6_find_idev+0x102/0x170 [ 7782.906297][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7782.906297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7782.906297][ T10] netlink_rcv_skb+0x130/0x360 [ 7782.906297][ T10] netlink_unicast+0x449/0x710 [ 7782.906297][ T10] netlink_sendmsg+0x723/0xbe0 [ 7782.906297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7782.906297][ T10] ___sys_sendmsg+0xee/0x170 [ 7782.906297][ T10] __sys_sendmsg+0xcd/0x170 [ 7782.906297][ T10] do_syscall_64+0xc6/0x1e0 [ 7782.906297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7782.906297][ T10] [ 7782.908120][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7782.908360][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7782.908360][ T10] netdev_get_by_index+0x5e/0x80 [ 7782.908360][ T10] fib6_nh_init+0x3d8/0x1580 [ 7782.908360][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7782.908360][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7782.908360][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7782.908360][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7782.908360][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7782.908360][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7782.908360][ T10] addrconf_dad_begin+0x310/0x670 [ 7782.908360][ T10] addrconf_dad_work+0x10b/0xab0 [ 7782.908360][ T10] process_one_work+0x84d/0x18a0 [ 7782.908360][ T10] worker_thread+0x587/0xd30 [ 7782.908360][ T10] kthread+0x28a/0x350 [ 7782.908360][ T10] ret_from_fork+0x31/0x70 [ 7782.908360][ T10] ret_from_fork_asm+0x1a/0x30 [ 7782.908360][ T10] [ 7782.910460][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7782.910460][ T10] netdev_get_by_index+0x5e/0x80 [ 7782.910460][ T10] fib6_nh_init+0x3d8/0x1580 [ 7782.910460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7782.910460][ T10] ip6_route_add+0x1c/0x140 [ 7782.910460][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7782.910460][ T10] inet6_addr_add+0x4f8/0xa40 [ 7782.910460][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7782.910460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7782.910460][ T10] netlink_rcv_skb+0x130/0x360 [ 7782.910460][ T10] netlink_unicast+0x449/0x710 [ 7782.910460][ T10] netlink_sendmsg+0x723/0xbe0 [ 7782.910460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7782.910460][ T10] ___sys_sendmsg+0xee/0x170 [ 7782.910460][ T10] __sys_sendmsg+0xcd/0x170 [ 7782.910460][ T10] do_syscall_64+0xc6/0x1e0 [ 7782.910460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7782.910460][ T10] [ 7782.912624][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7782.912624][ T10] netdev_get_by_index+0x5e/0x80 [ 7782.912624][ T10] fib6_nh_init+0x3d8/0x1580 [ 7782.912624][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7782.912624][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7782.912624][ T10] ipv6_add_addr+0x411/0x2000 [ 7782.912624][ T10] inet6_addr_add+0x30e/0xa40 [ 7782.912624][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7782.912624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7782.912624][ T10] netlink_rcv_skb+0x130/0x360 [ 7782.912624][ T10] netlink_unicast+0x449/0x710 [ 7782.912624][ T10] netlink_sendmsg+0x723/0xbe0 [ 7782.912624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7782.912624][ T10] ___sys_sendmsg+0xee/0x170 [ 7782.912624][ T10] __sys_sendmsg+0xcd/0x170 [ 7782.912624][ T10] do_syscall_64+0xc6/0x1e0 [ 7782.912624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7782.912624][ T10] [ 7782.914755][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7782.914755][ T10] netdev_get_by_index+0x5e/0x80 [ 7782.914755][ T10] fib6_nh_init+0x3d8/0x1580 [ 7782.914755][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7782.914755][ T10] ip6_route_add+0x1c/0x140 [ 7782.914755][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7782.914755][ T10] addrconf_add_dev+0xe2/0x170 [ 7782.914755][ T10] inet6_addr_add+0x12f/0xa40 [ 7782.914755][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7782.914755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7782.914755][ T10] netlink_rcv_skb+0x130/0x360 [ 7782.914755][ T10] netlink_unicast+0x449/0x710 [ 7782.914755][ T10] netlink_sendmsg+0x723/0xbe0 [ 7782.914755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7782.914755][ T10] ___sys_sendmsg+0xee/0x170 [ 7782.914755][ T10] __sys_sendmsg+0xcd/0x170 [ 7782.914755][ T10] do_syscall_64+0xc6/0x1e0 [ 7782.914755][ T10] [ 7782.916852][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7782.916852][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7782.916852][ T10] ipv6_find_idev+0x102/0x170 [ 7782.916852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7782.916852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7782.916852][ T10] netlink_rcv_skb+0x130/0x360 [ 7782.916852][ T10] netlink_unicast+0x449/0x710 [ 7782.916852][ T10] netlink_sendmsg+0x723/0xbe0 [ 7782.916852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7782.916852][ T10] ___sys_sendmsg+0xee/0x170 [ 7782.916852][ T10] __sys_sendmsg+0xcd/0x170 [ 7782.916852][ T10] do_syscall_64+0xc6/0x1e0 [ 7782.916852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7782.916852][ T10] [ 7782.918455][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7782.918455][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7782.918455][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7782.918455][ T10] ipv6_find_idev+0x102/0x170 [ 7782.918455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7782.918455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7782.918455][ T10] netlink_rcv_skb+0x130/0x360 [ 7782.918455][ T10] netlink_unicast+0x449/0x710 [ 7782.918455][ T10] netlink_sendmsg+0x723/0xbe0 [ 7782.918455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7782.918455][ T10] ___sys_sendmsg+0xee/0x170 [ 7782.918455][ T10] __sys_sendmsg+0xcd/0x170 [ 7782.918455][ T10] do_syscall_64+0xc6/0x1e0 [ 7782.918455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7782.918455][ T10] [ 7783.761092][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7783.761511][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7783.761511][ T1167] dst_init+0x84/0x4a0 [ 7783.761511][ T1167] dst_alloc+0x97/0x150 [ 7783.761511][ T1167] ip6_dst_alloc+0x23/0x90 [ 7783.761511][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7783.761511][ T1167] ip6_pol_route+0x56f/0x840 [ 7783.761511][ T1167] fib6_rule_lookup+0x334/0x630 [ 7783.761511][ T1167] ip6_route_output_flags+0x259/0x480 [ 7783.761511][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7783.761511][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7783.761511][ T1167] netlink_rcv_skb+0x130/0x360 [ 7783.761511][ T1167] netlink_unicast+0x449/0x710 [ 7783.761511][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7783.761511][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7783.761511][ T1167] ___sys_sendmsg+0xee/0x170 [ 7783.761511][ T1167] __sys_sendmsg+0xcd/0x170 [ 7783.761511][ T1167] do_syscall_64+0xc6/0x1e0 [ 7783.761511][ T1167] [ 7783.763715][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7783.763715][ T1167] netdev_get_by_index+0x5e/0x80 [ 7783.763715][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7783.763715][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7783.763715][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7783.763715][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7783.763715][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7783.763715][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7783.763715][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7783.763715][ T1167] addrconf_dad_begin+0x310/0x670 [ 7783.763715][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7783.763715][ T1167] process_one_work+0x84d/0x18a0 [ 7783.763715][ T1167] worker_thread+0x587/0xd30 [ 7783.763715][ T1167] kthread+0x28a/0x350 [ 7783.763715][ T1167] ret_from_fork+0x31/0x70 [ 7783.763715][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7783.763715][ T1167] [ 7783.765867][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7783.765867][ T1167] netdev_get_by_index+0x5e/0x80 [ 7783.765867][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7783.765867][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7783.765867][ T1167] ip6_route_add+0x1c/0x140 [ 7783.765867][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7783.765867][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7783.765867][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7783.765867][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7783.765867][ T1167] netlink_rcv_skb+0x130/0x360 [ 7783.765867][ T1167] netlink_unicast+0x449/0x710 [ 7783.765867][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7783.765867][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7783.765867][ T1167] ___sys_sendmsg+0xee/0x170 [ 7783.765867][ T1167] __sys_sendmsg+0xcd/0x170 [ 7783.765867][ T1167] do_syscall_64+0xc6/0x1e0 [ 7783.765867][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7783.765867][ T1167] [ 7783.768131][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7783.768131][ T1167] netdev_get_by_index+0x5e/0x80 [ 7783.768131][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7783.768131][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7783.768131][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7783.768131][ T1167] ipv6_add_addr+0x411/0x2000 [ 7783.768131][ T1167] inet6_addr_add+0x30e/0xa40 [ 7783.768131][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7783.768131][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7783.768131][ T1167] netlink_rcv_skb+0x130/0x360 [ 7783.768131][ T1167] netlink_unicast+0x449/0x710 [ 7783.768131][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7783.768131][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7783.768131][ T1167] ___sys_sendmsg+0xee/0x170 [ 7783.768131][ T1167] __sys_sendmsg+0xcd/0x170 [ 7783.768131][ T1167] do_syscall_64+0xc6/0x1e0 [ 7783.768131][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7783.768131][ T1167] [ 7783.770392][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7783.770392][ T1167] netdev_get_by_index+0x5e/0x80 [ 7783.770392][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7783.770392][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7783.770392][ T1167] ip6_route_add+0x1c/0x140 [ 7783.770392][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7783.770392][ T1167] addrconf_add_dev+0xe2/0x170 [ 7783.770392][ T1167] inet6_addr_add+0x12f/0xa40 [ 7783.770392][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7783.770392][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7783.770392][ T1167] netlink_rcv_skb+0x130/0x360 [ 7783.770392][ T1167] netlink_unicast+0x449/0x710 [ 7783.770392][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7783.770392][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7783.770392][ T1167] ___sys_sendmsg+0xee/0x170 [ 7783.770392][ T1167] __sys_sendmsg+0xcd/0x170 [ 7783.770392][ T1167] do_syscall_64+0xc6/0x1e0 [ 7783.770392][ T1167] [ 7783.772630][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7783.772630][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7783.772630][ T1167] ipv6_find_idev+0x102/0x170 [ 7783.772630][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7783.772630][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7783.772630][ T1167] netlink_rcv_skb+0x130/0x360 [ 7783.772630][ T1167] netlink_unicast+0x449/0x710 [ 7783.772630][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7783.772630][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7783.772630][ T1167] ___sys_sendmsg+0xee/0x170 [ 7783.772630][ T1167] __sys_sendmsg+0xcd/0x170 [ 7783.772630][ T1167] do_syscall_64+0xc6/0x1e0 [ 7783.772630][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7783.772630][ T1167] [ 7783.774367][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7783.774367][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7783.774367][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7783.774367][ T1167] ipv6_find_idev+0x102/0x170 [ 7783.774367][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7783.774367][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7783.774367][ T1167] netlink_rcv_skb+0x130/0x360 [ 7783.774367][ T1167] netlink_unicast+0x449/0x710 [ 7783.774367][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7783.774367][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7783.774367][ T1167] ___sys_sendmsg+0xee/0x170 [ 7783.774367][ T1167] __sys_sendmsg+0xcd/0x170 [ 7783.774367][ T1167] do_syscall_64+0xc6/0x1e0 [ 7783.774367][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7783.774367][ T1167] [ 7792.977148][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7792.977599][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7792.977599][ T10] netdev_get_by_index+0x5e/0x80 [ 7792.977599][ T10] fib6_nh_init+0x3d8/0x1580 [ 7792.977599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7792.977599][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7792.977599][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7792.977599][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7792.977599][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7792.977599][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7792.977599][ T10] addrconf_dad_begin+0x310/0x670 [ 7792.977599][ T10] addrconf_dad_work+0x10b/0xab0 [ 7792.977599][ T10] process_one_work+0x84d/0x18a0 [ 7792.977599][ T10] worker_thread+0x587/0xd30 [ 7792.977599][ T10] kthread+0x28a/0x350 [ 7792.977599][ T10] ret_from_fork+0x31/0x70 [ 7792.977599][ T10] ret_from_fork_asm+0x1a/0x30 [ 7792.977599][ T10] [ 7792.979546][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7792.979546][ T10] netdev_get_by_index+0x5e/0x80 [ 7792.979546][ T10] fib6_nh_init+0x3d8/0x1580 [ 7792.979546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7792.979546][ T10] ip6_route_add+0x1c/0x140 [ 7792.979546][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7792.979546][ T10] inet6_addr_add+0x4f8/0xa40 [ 7792.979546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7792.979546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7792.979546][ T10] netlink_rcv_skb+0x130/0x360 [ 7792.979546][ T10] netlink_unicast+0x449/0x710 [ 7792.979546][ T10] netlink_sendmsg+0x723/0xbe0 [ 7792.979546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7792.979546][ T10] ___sys_sendmsg+0xee/0x170 [ 7792.979546][ T10] __sys_sendmsg+0xcd/0x170 [ 7792.979546][ T10] do_syscall_64+0xc6/0x1e0 [ 7792.979546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7792.979546][ T10] [ 7792.981574][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7792.981574][ T10] netdev_get_by_index+0x5e/0x80 [ 7792.981574][ T10] fib6_nh_init+0x3d8/0x1580 [ 7792.981574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7792.981574][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7792.981574][ T10] ipv6_add_addr+0x411/0x2000 [ 7792.981574][ T10] inet6_addr_add+0x30e/0xa40 [ 7792.981574][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7792.981574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7792.981574][ T10] netlink_rcv_skb+0x130/0x360 [ 7792.981574][ T10] netlink_unicast+0x449/0x710 [ 7792.981574][ T10] netlink_sendmsg+0x723/0xbe0 [ 7792.981574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7792.981574][ T10] ___sys_sendmsg+0xee/0x170 [ 7792.981574][ T10] __sys_sendmsg+0xcd/0x170 [ 7792.981574][ T10] do_syscall_64+0xc6/0x1e0 [ 7792.981574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7792.981574][ T10] [ 7792.983574][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7792.983574][ T10] netdev_get_by_index+0x5e/0x80 [ 7792.983574][ T10] fib6_nh_init+0x3d8/0x1580 [ 7792.983574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7792.983574][ T10] ip6_route_add+0x1c/0x140 [ 7792.983574][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7792.983574][ T10] addrconf_add_dev+0xe2/0x170 [ 7792.983574][ T10] inet6_addr_add+0x12f/0xa40 [ 7792.983574][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7792.983574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7792.983574][ T10] netlink_rcv_skb+0x130/0x360 [ 7792.983574][ T10] netlink_unicast+0x449/0x710 [ 7792.983574][ T10] netlink_sendmsg+0x723/0xbe0 [ 7792.983574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7792.983574][ T10] ___sys_sendmsg+0xee/0x170 [ 7792.983574][ T10] __sys_sendmsg+0xcd/0x170 [ 7792.983574][ T10] do_syscall_64+0xc6/0x1e0 [ 7792.983574][ T10] [ 7792.985546][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7792.985546][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7792.985546][ T10] ipv6_find_idev+0x102/0x170 [ 7792.985546][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7792.985546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7792.985546][ T10] netlink_rcv_skb+0x130/0x360 [ 7792.985546][ T10] netlink_unicast+0x449/0x710 [ 7792.985546][ T10] netlink_sendmsg+0x723/0xbe0 [ 7792.985546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7792.985546][ T10] ___sys_sendmsg+0xee/0x170 [ 7792.985546][ T10] __sys_sendmsg+0xcd/0x170 [ 7792.985546][ T10] do_syscall_64+0xc6/0x1e0 [ 7792.985546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7792.985546][ T10] [ 7792.987095][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7792.987095][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7792.987095][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7792.987095][ T10] ipv6_find_idev+0x102/0x170 [ 7792.987095][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7792.987095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7792.987095][ T10] netlink_rcv_skb+0x130/0x360 [ 7792.987095][ T10] netlink_unicast+0x449/0x710 [ 7792.987095][ T10] netlink_sendmsg+0x723/0xbe0 [ 7792.987095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7792.987095][ T10] ___sys_sendmsg+0xee/0x170 [ 7792.987095][ T10] __sys_sendmsg+0xcd/0x170 [ 7792.987095][ T10] do_syscall_64+0xc6/0x1e0 [ 7792.987095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7792.987095][ T10] [ 7792.988804][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7792.989064][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7792.989064][ T10] netdev_get_by_index+0x5e/0x80 [ 7792.989064][ T10] fib6_nh_init+0x3d8/0x1580 [ 7792.989064][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7792.989064][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7792.989064][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7792.989064][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7792.989064][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7792.989064][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7792.989064][ T10] addrconf_dad_begin+0x310/0x670 [ 7792.989064][ T10] addrconf_dad_work+0x10b/0xab0 [ 7792.989064][ T10] process_one_work+0x84d/0x18a0 [ 7792.989064][ T10] worker_thread+0x587/0xd30 [ 7792.989064][ T10] kthread+0x28a/0x350 [ 7792.989064][ T10] ret_from_fork+0x31/0x70 [ 7792.989064][ T10] ret_from_fork_asm+0x1a/0x30 [ 7792.989064][ T10] [ 7792.991013][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7792.991013][ T10] netdev_get_by_index+0x5e/0x80 [ 7792.991013][ T10] fib6_nh_init+0x3d8/0x1580 [ 7792.991013][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7792.991013][ T10] ip6_route_add+0x1c/0x140 [ 7792.991013][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7792.991013][ T10] inet6_addr_add+0x4f8/0xa40 [ 7792.991013][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7792.991013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7792.991013][ T10] netlink_rcv_skb+0x130/0x360 [ 7792.991013][ T10] netlink_unicast+0x449/0x710 [ 7792.991013][ T10] netlink_sendmsg+0x723/0xbe0 [ 7792.991013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7792.991013][ T10] ___sys_sendmsg+0xee/0x170 [ 7792.991013][ T10] __sys_sendmsg+0xcd/0x170 [ 7792.991013][ T10] do_syscall_64+0xc6/0x1e0 [ 7792.991013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7792.991013][ T10] [ 7792.993020][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7792.993020][ T10] netdev_get_by_index+0x5e/0x80 [ 7792.993020][ T10] fib6_nh_init+0x3d8/0x1580 [ 7792.993020][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7792.993020][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7792.993020][ T10] ipv6_add_addr+0x411/0x2000 [ 7792.993020][ T10] inet6_addr_add+0x30e/0xa40 [ 7792.993020][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7792.993020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7792.993020][ T10] netlink_rcv_skb+0x130/0x360 [ 7792.993020][ T10] netlink_unicast+0x449/0x710 [ 7792.993020][ T10] netlink_sendmsg+0x723/0xbe0 [ 7792.993020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7792.993020][ T10] ___sys_sendmsg+0xee/0x170 [ 7792.993020][ T10] __sys_sendmsg+0xcd/0x170 [ 7792.993020][ T10] do_syscall_64+0xc6/0x1e0 [ 7792.993020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7792.993020][ T10] [ 7792.995036][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7792.995036][ T10] netdev_get_by_index+0x5e/0x80 [ 7792.995036][ T10] fib6_nh_init+0x3d8/0x1580 [ 7792.995036][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7792.995036][ T10] ip6_route_add+0x1c/0x140 [ 7792.995036][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7792.995036][ T10] addrconf_add_dev+0xe2/0x170 [ 7792.995036][ T10] inet6_addr_add+0x12f/0xa40 [ 7792.995036][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7792.995036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7792.995036][ T10] netlink_rcv_skb+0x130/0x360 [ 7792.995036][ T10] netlink_unicast+0x449/0x710 [ 7792.995036][ T10] netlink_sendmsg+0x723/0xbe0 [ 7792.995036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7792.995036][ T10] ___sys_sendmsg+0xee/0x170 [ 7792.995036][ T10] __sys_sendmsg+0xcd/0x170 [ 7792.995036][ T10] do_syscall_64+0xc6/0x1e0 [ 7792.995036][ T10] [ 7792.996997][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7792.996997][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7792.996997][ T10] ipv6_find_idev+0x102/0x170 [ 7792.996997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7792.996997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7792.996997][ T10] netlink_rcv_skb+0x130/0x360 [ 7792.996997][ T10] netlink_unicast+0x449/0x710 [ 7792.996997][ T10] netlink_sendmsg+0x723/0xbe0 [ 7792.996997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7792.996997][ T10] ___sys_sendmsg+0xee/0x170 [ 7792.996997][ T10] __sys_sendmsg+0xcd/0x170 [ 7792.996997][ T10] do_syscall_64+0xc6/0x1e0 [ 7792.996997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7792.996997][ T10] [ 7792.998539][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7792.998539][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7792.998539][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7792.998539][ T10] ipv6_find_idev+0x102/0x170 [ 7792.998539][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7792.998539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7792.998539][ T10] netlink_rcv_skb+0x130/0x360 [ 7792.998539][ T10] netlink_unicast+0x449/0x710 [ 7792.998539][ T10] netlink_sendmsg+0x723/0xbe0 [ 7792.998539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7792.998539][ T10] ___sys_sendmsg+0xee/0x170 [ 7792.998539][ T10] __sys_sendmsg+0xcd/0x170 [ 7792.998539][ T10] do_syscall_64+0xc6/0x1e0 [ 7792.998539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7792.998539][ T10] [ 7793.000235][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7793.000475][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7793.000475][ T10] netdev_get_by_index+0x5e/0x80 [ 7793.000475][ T10] fib6_nh_init+0x3d8/0x1580 [ 7793.000475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7793.000475][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7793.000475][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7793.000475][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7793.000475][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7793.000475][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7793.000475][ T10] addrconf_dad_begin+0x310/0x670 [ 7793.000475][ T10] addrconf_dad_work+0x10b/0xab0 [ 7793.000475][ T10] process_one_work+0x84d/0x18a0 [ 7793.000475][ T10] worker_thread+0x587/0xd30 [ 7793.000475][ T10] kthread+0x28a/0x350 [ 7793.000475][ T10] ret_from_fork+0x31/0x70 [ 7793.000475][ T10] ret_from_fork_asm+0x1a/0x30 [ 7793.000475][ T10] [ 7793.002390][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7793.002390][ T10] netdev_get_by_index+0x5e/0x80 [ 7793.002390][ T10] fib6_nh_init+0x3d8/0x1580 [ 7793.002390][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7793.002390][ T10] ip6_route_add+0x1c/0x140 [ 7793.002390][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7793.002390][ T10] inet6_addr_add+0x4f8/0xa40 [ 7793.002390][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7793.002390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7793.002390][ T10] netlink_rcv_skb+0x130/0x360 [ 7793.002390][ T10] netlink_unicast+0x449/0x710 [ 7793.002390][ T10] netlink_sendmsg+0x723/0xbe0 [ 7793.002390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7793.002390][ T10] ___sys_sendmsg+0xee/0x170 [ 7793.002390][ T10] __sys_sendmsg+0xcd/0x170 [ 7793.002390][ T10] do_syscall_64+0xc6/0x1e0 [ 7793.002390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7793.002390][ T10] [ 7793.004571][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7793.004571][ T10] netdev_get_by_index+0x5e/0x80 [ 7793.004571][ T10] fib6_nh_init+0x3d8/0x1580 [ 7793.004571][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7793.004571][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7793.004571][ T10] ipv6_add_addr+0x411/0x2000 [ 7793.004571][ T10] inet6_addr_add+0x30e/0xa40 [ 7793.004571][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7793.004571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7793.004571][ T10] netlink_rcv_skb+0x130/0x360 [ 7793.004571][ T10] netlink_unicast+0x449/0x710 [ 7793.004571][ T10] netlink_sendmsg+0x723/0xbe0 [ 7793.004571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7793.004571][ T10] ___sys_sendmsg+0xee/0x170 [ 7793.004571][ T10] __sys_sendmsg+0xcd/0x170 [ 7793.004571][ T10] do_syscall_64+0xc6/0x1e0 [ 7793.004571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7793.004571][ T10] [ 7793.006814][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7793.006814][ T10] netdev_get_by_index+0x5e/0x80 [ 7793.006814][ T10] fib6_nh_init+0x3d8/0x1580 [ 7793.006814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7793.006814][ T10] ip6_route_add+0x1c/0x140 [ 7793.006814][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7793.006814][ T10] addrconf_add_dev+0xe2/0x170 [ 7793.006814][ T10] inet6_addr_add+0x12f/0xa40 [ 7793.006814][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7793.006814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7793.006814][ T10] netlink_rcv_skb+0x130/0x360 [ 7793.006814][ T10] netlink_unicast+0x449/0x710 [ 7793.006814][ T10] netlink_sendmsg+0x723/0xbe0 [ 7793.006814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7793.006814][ T10] ___sys_sendmsg+0xee/0x170 [ 7793.006814][ T10] __sys_sendmsg+0xcd/0x170 [ 7793.006814][ T10] do_syscall_64+0xc6/0x1e0 [ 7793.006814][ T10] [ 7793.008955][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7793.008955][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7793.008955][ T10] ipv6_find_idev+0x102/0x170 [ 7793.008955][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7793.008955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7793.008955][ T10] netlink_rcv_skb+0x130/0x360 [ 7793.008955][ T10] netlink_unicast+0x449/0x710 [ 7793.008955][ T10] netlink_sendmsg+0x723/0xbe0 [ 7793.008955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7793.008955][ T10] ___sys_sendmsg+0xee/0x170 [ 7793.008955][ T10] __sys_sendmsg+0xcd/0x170 [ 7793.008955][ T10] do_syscall_64+0xc6/0x1e0 [ 7793.008955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7793.008955][ T10] [ 7793.010678][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7793.010678][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7793.010678][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7793.010678][ T10] ipv6_find_idev+0x102/0x170 [ 7793.010678][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7793.010678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7793.010678][ T10] netlink_rcv_skb+0x130/0x360 [ 7793.010678][ T10] netlink_unicast+0x449/0x710 [ 7793.010678][ T10] netlink_sendmsg+0x723/0xbe0 [ 7793.010678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7793.010678][ T10] ___sys_sendmsg+0xee/0x170 [ 7793.010678][ T10] __sys_sendmsg+0xcd/0x170 [ 7793.010678][ T10] do_syscall_64+0xc6/0x1e0 [ 7793.010678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7793.010678][ T10] [ 7793.012668][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7793.012908][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7793.012908][ T10] netdev_get_by_index+0x5e/0x80 [ 7793.012908][ T10] fib6_nh_init+0x3d8/0x1580 [ 7793.012908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7793.012908][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7793.012908][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7793.012908][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7793.012908][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7793.012908][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7793.012908][ T10] addrconf_dad_begin+0x310/0x670 [ 7793.012908][ T10] addrconf_dad_work+0x10b/0xab0 [ 7793.012908][ T10] process_one_work+0x84d/0x18a0 [ 7793.012908][ T10] worker_thread+0x587/0xd30 [ 7793.012908][ T10] kthread+0x28a/0x350 [ 7793.012908][ T10] ret_from_fork+0x31/0x70 [ 7793.012908][ T10] ret_from_fork_asm+0x1a/0x30 [ 7793.012908][ T10] [ 7793.015068][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7793.015068][ T10] netdev_get_by_index+0x5e/0x80 [ 7793.015068][ T10] fib6_nh_init+0x3d8/0x1580 [ 7793.015068][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7793.015068][ T10] ip6_route_add+0x1c/0x140 [ 7793.015068][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7793.015068][ T10] inet6_addr_add+0x4f8/0xa40 [ 7793.015068][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7793.015068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7793.015068][ T10] netlink_rcv_skb+0x130/0x360 [ 7793.015068][ T10] netlink_unicast+0x449/0x710 [ 7793.015068][ T10] netlink_sendmsg+0x723/0xbe0 [ 7793.015068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7793.015068][ T10] ___sys_sendmsg+0xee/0x170 [ 7793.015068][ T10] __sys_sendmsg+0xcd/0x170 [ 7793.015068][ T10] do_syscall_64+0xc6/0x1e0 [ 7793.015068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7793.015068][ T10] [ 7793.017250][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7793.017250][ T10] netdev_get_by_index+0x5e/0x80 [ 7793.017250][ T10] fib6_nh_init+0x3d8/0x1580 [ 7793.017250][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7793.017250][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7793.017250][ T10] ipv6_add_addr+0x411/0x2000 [ 7793.017250][ T10] inet6_addr_add+0x30e/0xa40 [ 7793.017250][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7793.017250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7793.017250][ T10] netlink_rcv_skb+0x130/0x360 [ 7793.017250][ T10] netlink_unicast+0x449/0x710 [ 7793.017250][ T10] netlink_sendmsg+0x723/0xbe0 [ 7793.017250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7793.017250][ T10] ___sys_sendmsg+0xee/0x170 [ 7793.017250][ T10] __sys_sendmsg+0xcd/0x170 [ 7793.017250][ T10] do_syscall_64+0xc6/0x1e0 [ 7793.017250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7793.017250][ T10] [ 7793.019493][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7793.019493][ T10] netdev_get_by_index+0x5e/0x80 [ 7793.019493][ T10] fib6_nh_init+0x3d8/0x1580 [ 7793.019493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7793.019493][ T10] ip6_route_add+0x1c/0x140 [ 7793.019493][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7793.019493][ T10] addrconf_add_dev+0xe2/0x170 [ 7793.019493][ T10] inet6_addr_add+0x12f/0xa40 [ 7793.019493][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7793.019493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7793.019493][ T10] netlink_rcv_skb+0x130/0x360 [ 7793.019493][ T10] netlink_unicast+0x449/0x710 [ 7793.019493][ T10] netlink_sendmsg+0x723/0xbe0 [ 7793.019493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7793.019493][ T10] ___sys_sendmsg+0xee/0x170 [ 7793.019493][ T10] __sys_sendmsg+0xcd/0x170 [ 7793.019493][ T10] do_syscall_64+0xc6/0x1e0 [ 7793.019493][ T10] [ 7793.021778][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7793.021778][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7793.021778][ T10] ipv6_find_idev+0x102/0x170 [ 7793.021778][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7793.021778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7793.021778][ T10] netlink_rcv_skb+0x130/0x360 [ 7793.021778][ T10] netlink_unicast+0x449/0x710 [ 7793.021778][ T10] netlink_sendmsg+0x723/0xbe0 [ 7793.021778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7793.021778][ T10] ___sys_sendmsg+0xee/0x170 [ 7793.021778][ T10] __sys_sendmsg+0xcd/0x170 [ 7793.021778][ T10] do_syscall_64+0xc6/0x1e0 [ 7793.021778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7793.021778][ T10] [ 7793.023504][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7793.023504][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7793.023504][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7793.023504][ T10] ipv6_find_idev+0x102/0x170 [ 7793.023504][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7793.023504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7793.023504][ T10] netlink_rcv_skb+0x130/0x360 [ 7793.023504][ T10] netlink_unicast+0x449/0x710 [ 7793.023504][ T10] netlink_sendmsg+0x723/0xbe0 [ 7793.023504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7793.023504][ T10] ___sys_sendmsg+0xee/0x170 [ 7793.023504][ T10] __sys_sendmsg+0xcd/0x170 [ 7793.023504][ T10] do_syscall_64+0xc6/0x1e0 [ 7793.023504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7793.023504][ T10] [ 7794.001119][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7794.001629][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7794.001629][ T1167] dst_init+0x84/0x4a0 [ 7794.001629][ T1167] dst_alloc+0x97/0x150 [ 7794.001629][ T1167] ip6_dst_alloc+0x23/0x90 [ 7794.001629][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7794.001629][ T1167] ip6_pol_route+0x56f/0x840 [ 7794.001629][ T1167] fib6_rule_lookup+0x334/0x630 [ 7794.001629][ T1167] ip6_route_output_flags+0x259/0x480 [ 7794.001629][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7794.001629][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7794.001629][ T1167] netlink_rcv_skb+0x130/0x360 [ 7794.001629][ T1167] netlink_unicast+0x449/0x710 [ 7794.001629][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7794.001629][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7794.001629][ T1167] ___sys_sendmsg+0xee/0x170 [ 7794.001629][ T1167] __sys_sendmsg+0xcd/0x170 [ 7794.001629][ T1167] do_syscall_64+0xc6/0x1e0 [ 7794.001629][ T1167] [ 7794.003823][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7794.003823][ T1167] netdev_get_by_index+0x5e/0x80 [ 7794.003823][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7794.003823][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7794.003823][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7794.003823][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7794.003823][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7794.003823][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7794.003823][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7794.003823][ T1167] addrconf_dad_begin+0x310/0x670 [ 7794.003823][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7794.003823][ T1167] process_one_work+0x84d/0x18a0 [ 7794.003823][ T1167] worker_thread+0x587/0xd30 [ 7794.003823][ T1167] kthread+0x28a/0x350 [ 7794.003823][ T1167] ret_from_fork+0x31/0x70 [ 7794.003823][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7794.003823][ T1167] [ 7794.005956][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7794.005956][ T1167] netdev_get_by_index+0x5e/0x80 [ 7794.005956][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7794.005956][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7794.005956][ T1167] ip6_route_add+0x1c/0x140 [ 7794.005956][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7794.005956][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7794.005956][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7794.005956][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7794.005956][ T1167] netlink_rcv_skb+0x130/0x360 [ 7794.005956][ T1167] netlink_unicast+0x449/0x710 [ 7794.005956][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7794.005956][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7794.005956][ T1167] ___sys_sendmsg+0xee/0x170 [ 7794.005956][ T1167] __sys_sendmsg+0xcd/0x170 [ 7794.005956][ T1167] do_syscall_64+0xc6/0x1e0 [ 7794.005956][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7794.005956][ T1167] [ 7794.008191][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7794.008191][ T1167] netdev_get_by_index+0x5e/0x80 [ 7794.008191][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7794.008191][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7794.008191][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7794.008191][ T1167] ipv6_add_addr+0x411/0x2000 [ 7794.008191][ T1167] inet6_addr_add+0x30e/0xa40 [ 7794.008191][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7794.008191][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7794.008191][ T1167] netlink_rcv_skb+0x130/0x360 [ 7794.008191][ T1167] netlink_unicast+0x449/0x710 [ 7794.008191][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7794.008191][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7794.008191][ T1167] ___sys_sendmsg+0xee/0x170 [ 7794.008191][ T1167] __sys_sendmsg+0xcd/0x170 [ 7794.008191][ T1167] do_syscall_64+0xc6/0x1e0 [ 7794.008191][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7794.008191][ T1167] [ 7794.010424][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7794.010424][ T1167] netdev_get_by_index+0x5e/0x80 [ 7794.010424][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7794.010424][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7794.010424][ T1167] ip6_route_add+0x1c/0x140 [ 7794.010424][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7794.010424][ T1167] addrconf_add_dev+0xe2/0x170 [ 7794.010424][ T1167] inet6_addr_add+0x12f/0xa40 [ 7794.010424][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7794.010424][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7794.010424][ T1167] netlink_rcv_skb+0x130/0x360 [ 7794.010424][ T1167] netlink_unicast+0x449/0x710 [ 7794.010424][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7794.010424][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7794.010424][ T1167] ___sys_sendmsg+0xee/0x170 [ 7794.010424][ T1167] __sys_sendmsg+0xcd/0x170 [ 7794.010424][ T1167] do_syscall_64+0xc6/0x1e0 [ 7794.010424][ T1167] [ 7794.013177][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7794.013177][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7794.013177][ T1167] ipv6_find_idev+0x102/0x170 [ 7794.013177][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7794.013177][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7794.013177][ T1167] netlink_rcv_skb+0x130/0x360 [ 7794.013177][ T1167] netlink_unicast+0x449/0x710 [ 7794.013177][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7794.013177][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7794.013177][ T1167] ___sys_sendmsg+0xee/0x170 [ 7794.013177][ T1167] __sys_sendmsg+0xcd/0x170 [ 7794.013177][ T1167] do_syscall_64+0xc6/0x1e0 [ 7794.013177][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7794.013177][ T1167] [ 7794.014886][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7794.014886][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7794.014886][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7794.014886][ T1167] ipv6_find_idev+0x102/0x170 [ 7794.014886][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7794.014886][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7794.014886][ T1167] netlink_rcv_skb+0x130/0x360 [ 7794.014886][ T1167] netlink_unicast+0x449/0x710 [ 7794.014886][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7794.014886][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7794.014886][ T1167] ___sys_sendmsg+0xee/0x170 [ 7794.014886][ T1167] __sys_sendmsg+0xcd/0x170 [ 7794.014886][ T1167] do_syscall_64+0xc6/0x1e0 [ 7794.014886][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7794.014886][ T1167] [ 7803.265105][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7803.265540][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7803.265540][ T10] netdev_get_by_index+0x5e/0x80 [ 7803.265540][ T10] fib6_nh_init+0x3d8/0x1580 [ 7803.265540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7803.265540][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7803.265540][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7803.265540][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7803.265540][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7803.265540][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7803.265540][ T10] addrconf_dad_begin+0x310/0x670 [ 7803.265540][ T10] addrconf_dad_work+0x10b/0xab0 [ 7803.265540][ T10] process_one_work+0x84d/0x18a0 [ 7803.265540][ T10] worker_thread+0x587/0xd30 [ 7803.265540][ T10] kthread+0x28a/0x350 [ 7803.265540][ T10] ret_from_fork+0x31/0x70 [ 7803.265540][ T10] ret_from_fork_asm+0x1a/0x30 [ 7803.265540][ T10] [ 7803.267505][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7803.267505][ T10] netdev_get_by_index+0x5e/0x80 [ 7803.267505][ T10] fib6_nh_init+0x3d8/0x1580 [ 7803.267505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7803.267505][ T10] ip6_route_add+0x1c/0x140 [ 7803.267505][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7803.267505][ T10] inet6_addr_add+0x4f8/0xa40 [ 7803.267505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7803.267505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7803.267505][ T10] netlink_rcv_skb+0x130/0x360 [ 7803.267505][ T10] netlink_unicast+0x449/0x710 [ 7803.267505][ T10] netlink_sendmsg+0x723/0xbe0 [ 7803.267505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7803.267505][ T10] ___sys_sendmsg+0xee/0x170 [ 7803.267505][ T10] __sys_sendmsg+0xcd/0x170 [ 7803.267505][ T10] do_syscall_64+0xc6/0x1e0 [ 7803.267505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7803.267505][ T10] [ 7803.269531][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7803.269531][ T10] netdev_get_by_index+0x5e/0x80 [ 7803.269531][ T10] fib6_nh_init+0x3d8/0x1580 [ 7803.269531][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7803.269531][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7803.269531][ T10] ipv6_add_addr+0x411/0x2000 [ 7803.269531][ T10] inet6_addr_add+0x30e/0xa40 [ 7803.269531][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7803.269531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7803.269531][ T10] netlink_rcv_skb+0x130/0x360 [ 7803.269531][ T10] netlink_unicast+0x449/0x710 [ 7803.269531][ T10] netlink_sendmsg+0x723/0xbe0 [ 7803.269531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7803.269531][ T10] ___sys_sendmsg+0xee/0x170 [ 7803.269531][ T10] __sys_sendmsg+0xcd/0x170 [ 7803.269531][ T10] do_syscall_64+0xc6/0x1e0 [ 7803.269531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7803.269531][ T10] [ 7803.271534][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7803.271534][ T10] netdev_get_by_index+0x5e/0x80 [ 7803.271534][ T10] fib6_nh_init+0x3d8/0x1580 [ 7803.271534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7803.271534][ T10] ip6_route_add+0x1c/0x140 [ 7803.271534][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7803.271534][ T10] addrconf_add_dev+0xe2/0x170 [ 7803.271534][ T10] inet6_addr_add+0x12f/0xa40 [ 7803.271534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7803.271534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7803.271534][ T10] netlink_rcv_skb+0x130/0x360 [ 7803.271534][ T10] netlink_unicast+0x449/0x710 [ 7803.271534][ T10] netlink_sendmsg+0x723/0xbe0 [ 7803.271534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7803.271534][ T10] ___sys_sendmsg+0xee/0x170 [ 7803.271534][ T10] __sys_sendmsg+0xcd/0x170 [ 7803.271534][ T10] do_syscall_64+0xc6/0x1e0 [ 7803.271534][ T10] [ 7803.273502][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7803.273502][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7803.273502][ T10] ipv6_find_idev+0x102/0x170 [ 7803.273502][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7803.273502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7803.273502][ T10] netlink_rcv_skb+0x130/0x360 [ 7803.273502][ T10] netlink_unicast+0x449/0x710 [ 7803.273502][ T10] netlink_sendmsg+0x723/0xbe0 [ 7803.273502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7803.273502][ T10] ___sys_sendmsg+0xee/0x170 [ 7803.273502][ T10] __sys_sendmsg+0xcd/0x170 [ 7803.273502][ T10] do_syscall_64+0xc6/0x1e0 [ 7803.273502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7803.273502][ T10] [ 7803.275025][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7803.275025][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7803.275025][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7803.275025][ T10] ipv6_find_idev+0x102/0x170 [ 7803.275025][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7803.275025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7803.275025][ T10] netlink_rcv_skb+0x130/0x360 [ 7803.275025][ T10] netlink_unicast+0x449/0x710 [ 7803.275025][ T10] netlink_sendmsg+0x723/0xbe0 [ 7803.275025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7803.275025][ T10] ___sys_sendmsg+0xee/0x170 [ 7803.275025][ T10] __sys_sendmsg+0xcd/0x170 [ 7803.275025][ T10] do_syscall_64+0xc6/0x1e0 [ 7803.275025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7803.275025][ T10] [ 7803.276705][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7803.276958][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7803.276958][ T10] netdev_get_by_index+0x5e/0x80 [ 7803.276958][ T10] fib6_nh_init+0x3d8/0x1580 [ 7803.276958][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7803.276958][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7803.276958][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7803.276958][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7803.276958][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7803.276958][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7803.276958][ T10] addrconf_dad_begin+0x310/0x670 [ 7803.276958][ T10] addrconf_dad_work+0x10b/0xab0 [ 7803.276958][ T10] process_one_work+0x84d/0x18a0 [ 7803.276958][ T10] worker_thread+0x587/0xd30 [ 7803.276958][ T10] kthread+0x28a/0x350 [ 7803.276958][ T10] ret_from_fork+0x31/0x70 [ 7803.276958][ T10] ret_from_fork_asm+0x1a/0x30 [ 7803.276958][ T10] [ 7803.278896][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7803.278896][ T10] netdev_get_by_index+0x5e/0x80 [ 7803.278896][ T10] fib6_nh_init+0x3d8/0x1580 [ 7803.278896][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7803.278896][ T10] ip6_route_add+0x1c/0x140 [ 7803.278896][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7803.278896][ T10] inet6_addr_add+0x4f8/0xa40 [ 7803.278896][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7803.278896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7803.278896][ T10] netlink_rcv_skb+0x130/0x360 [ 7803.278896][ T10] netlink_unicast+0x449/0x710 [ 7803.278896][ T10] netlink_sendmsg+0x723/0xbe0 [ 7803.278896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7803.278896][ T10] ___sys_sendmsg+0xee/0x170 [ 7803.278896][ T10] __sys_sendmsg+0xcd/0x170 [ 7803.278896][ T10] do_syscall_64+0xc6/0x1e0 [ 7803.278896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7803.278896][ T10] [ 7803.280913][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7803.280913][ T10] netdev_get_by_index+0x5e/0x80 [ 7803.280913][ T10] fib6_nh_init+0x3d8/0x1580 [ 7803.280913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7803.280913][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7803.280913][ T10] ipv6_add_addr+0x411/0x2000 [ 7803.280913][ T10] inet6_addr_add+0x30e/0xa40 [ 7803.280913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7803.280913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7803.280913][ T10] netlink_rcv_skb+0x130/0x360 [ 7803.280913][ T10] netlink_unicast+0x449/0x710 [ 7803.280913][ T10] netlink_sendmsg+0x723/0xbe0 [ 7803.280913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7803.280913][ T10] ___sys_sendmsg+0xee/0x170 [ 7803.280913][ T10] __sys_sendmsg+0xcd/0x170 [ 7803.280913][ T10] do_syscall_64+0xc6/0x1e0 [ 7803.280913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7803.280913][ T10] [ 7803.282926][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7803.282926][ T10] netdev_get_by_index+0x5e/0x80 [ 7803.282926][ T10] fib6_nh_init+0x3d8/0x1580 [ 7803.282926][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7803.282926][ T10] ip6_route_add+0x1c/0x140 [ 7803.282926][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7803.282926][ T10] addrconf_add_dev+0xe2/0x170 [ 7803.282926][ T10] inet6_addr_add+0x12f/0xa40 [ 7803.282926][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7803.282926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7803.282926][ T10] netlink_rcv_skb+0x130/0x360 [ 7803.282926][ T10] netlink_unicast+0x449/0x710 [ 7803.282926][ T10] netlink_sendmsg+0x723/0xbe0 [ 7803.282926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7803.282926][ T10] ___sys_sendmsg+0xee/0x170 [ 7803.282926][ T10] __sys_sendmsg+0xcd/0x170 [ 7803.282926][ T10] do_syscall_64+0xc6/0x1e0 [ 7803.282926][ T10] [ 7803.284885][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7803.284885][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7803.284885][ T10] ipv6_find_idev+0x102/0x170 [ 7803.284885][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7803.284885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7803.284885][ T10] netlink_rcv_skb+0x130/0x360 [ 7803.284885][ T10] netlink_unicast+0x449/0x710 [ 7803.284885][ T10] netlink_sendmsg+0x723/0xbe0 [ 7803.284885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7803.284885][ T10] ___sys_sendmsg+0xee/0x170 [ 7803.284885][ T10] __sys_sendmsg+0xcd/0x170 [ 7803.284885][ T10] do_syscall_64+0xc6/0x1e0 [ 7803.284885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7803.284885][ T10] [ 7803.286452][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7803.286452][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7803.286452][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7803.286452][ T10] ipv6_find_idev+0x102/0x170 [ 7803.286452][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7803.286452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7803.286452][ T10] netlink_rcv_skb+0x130/0x360 [ 7803.286452][ T10] netlink_unicast+0x449/0x710 [ 7803.286452][ T10] netlink_sendmsg+0x723/0xbe0 [ 7803.286452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7803.286452][ T10] ___sys_sendmsg+0xee/0x170 [ 7803.286452][ T10] __sys_sendmsg+0xcd/0x170 [ 7803.286452][ T10] do_syscall_64+0xc6/0x1e0 [ 7803.286452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7803.286452][ T10] [ 7803.288142][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7803.288382][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7803.288382][ T10] netdev_get_by_index+0x5e/0x80 [ 7803.288382][ T10] fib6_nh_init+0x3d8/0x1580 [ 7803.288382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7803.288382][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7803.288382][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7803.288382][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7803.288382][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7803.288382][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7803.288382][ T10] addrconf_dad_begin+0x310/0x670 [ 7803.288382][ T10] addrconf_dad_work+0x10b/0xab0 [ 7803.288382][ T10] process_one_work+0x84d/0x18a0 [ 7803.288382][ T10] worker_thread+0x587/0xd30 [ 7803.288382][ T10] kthread+0x28a/0x350 [ 7803.288382][ T10] ret_from_fork+0x31/0x70 [ 7803.288382][ T10] ret_from_fork_asm+0x1a/0x30 [ 7803.288382][ T10] [ 7803.290286][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7803.290286][ T10] netdev_get_by_index+0x5e/0x80 [ 7803.290286][ T10] fib6_nh_init+0x3d8/0x1580 [ 7803.290286][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7803.290286][ T10] ip6_route_add+0x1c/0x140 [ 7803.290286][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7803.290286][ T10] inet6_addr_add+0x4f8/0xa40 [ 7803.290286][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7803.290286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7803.290286][ T10] netlink_rcv_skb+0x130/0x360 [ 7803.290286][ T10] netlink_unicast+0x449/0x710 [ 7803.290286][ T10] netlink_sendmsg+0x723/0xbe0 [ 7803.290286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7803.290286][ T10] ___sys_sendmsg+0xee/0x170 [ 7803.290286][ T10] __sys_sendmsg+0xcd/0x170 [ 7803.290286][ T10] do_syscall_64+0xc6/0x1e0 [ 7803.290286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7803.290286][ T10] [ 7803.292459][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7803.292459][ T10] netdev_get_by_index+0x5e/0x80 [ 7803.292459][ T10] fib6_nh_init+0x3d8/0x1580 [ 7803.292459][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7803.292459][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7803.292459][ T10] ipv6_add_addr+0x411/0x2000 [ 7803.292459][ T10] inet6_addr_add+0x30e/0xa40 [ 7803.292459][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7803.292459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7803.292459][ T10] netlink_rcv_skb+0x130/0x360 [ 7803.292459][ T10] netlink_unicast+0x449/0x710 [ 7803.292459][ T10] netlink_sendmsg+0x723/0xbe0 [ 7803.292459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7803.292459][ T10] ___sys_sendmsg+0xee/0x170 [ 7803.292459][ T10] __sys_sendmsg+0xcd/0x170 [ 7803.292459][ T10] do_syscall_64+0xc6/0x1e0 [ 7803.292459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7803.292459][ T10] [ 7803.294739][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7803.294739][ T10] netdev_get_by_index+0x5e/0x80 [ 7803.294739][ T10] fib6_nh_init+0x3d8/0x1580 [ 7803.294739][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7803.294739][ T10] ip6_route_add+0x1c/0x140 [ 7803.294739][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7803.294739][ T10] addrconf_add_dev+0xe2/0x170 [ 7803.294739][ T10] inet6_addr_add+0x12f/0xa40 [ 7803.294739][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7803.294739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7803.294739][ T10] netlink_rcv_skb+0x130/0x360 [ 7803.294739][ T10] netlink_unicast+0x449/0x710 [ 7803.294739][ T10] netlink_sendmsg+0x723/0xbe0 [ 7803.294739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7803.294739][ T10] ___sys_sendmsg+0xee/0x170 [ 7803.294739][ T10] __sys_sendmsg+0xcd/0x170 [ 7803.294739][ T10] do_syscall_64+0xc6/0x1e0 [ 7803.294739][ T10] [ 7803.296871][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7803.296871][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7803.296871][ T10] ipv6_find_idev+0x102/0x170 [ 7803.296871][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7803.296871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7803.296871][ T10] netlink_rcv_skb+0x130/0x360 [ 7803.296871][ T10] netlink_unicast+0x449/0x710 [ 7803.296871][ T10] netlink_sendmsg+0x723/0xbe0 [ 7803.296871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7803.296871][ T10] ___sys_sendmsg+0xee/0x170 [ 7803.296871][ T10] __sys_sendmsg+0xcd/0x170 [ 7803.296871][ T10] do_syscall_64+0xc6/0x1e0 [ 7803.296871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7803.296871][ T10] [ 7803.298580][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7803.298580][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7803.298580][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7803.298580][ T10] ipv6_find_idev+0x102/0x170 [ 7803.298580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7803.298580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7803.298580][ T10] netlink_rcv_skb+0x130/0x360 [ 7803.298580][ T10] netlink_unicast+0x449/0x710 [ 7803.298580][ T10] netlink_sendmsg+0x723/0xbe0 [ 7803.298580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7803.298580][ T10] ___sys_sendmsg+0xee/0x170 [ 7803.298580][ T10] __sys_sendmsg+0xcd/0x170 [ 7803.298580][ T10] do_syscall_64+0xc6/0x1e0 [ 7803.298580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7803.298580][ T10] [ 7803.300496][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7803.300757][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7803.300757][ T10] netdev_get_by_index+0x5e/0x80 [ 7803.300757][ T10] fib6_nh_init+0x3d8/0x1580 [ 7803.300757][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7803.300757][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7803.300757][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7803.300757][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7803.300757][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7803.300757][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7803.300757][ T10] addrconf_dad_begin+0x310/0x670 [ 7803.300757][ T10] addrconf_dad_work+0x10b/0xab0 [ 7803.300757][ T10] process_one_work+0x84d/0x18a0 [ 7803.300757][ T10] worker_thread+0x587/0xd30 [ 7803.300757][ T10] kthread+0x28a/0x350 [ 7803.300757][ T10] ret_from_fork+0x31/0x70 [ 7803.300757][ T10] ret_from_fork_asm+0x1a/0x30 [ 7803.300757][ T10] [ 7803.302979][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7803.302979][ T10] netdev_get_by_index+0x5e/0x80 [ 7803.302979][ T10] fib6_nh_init+0x3d8/0x1580 [ 7803.302979][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7803.302979][ T10] ip6_route_add+0x1c/0x140 [ 7803.302979][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7803.302979][ T10] inet6_addr_add+0x4f8/0xa40 [ 7803.302979][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7803.302979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7803.302979][ T10] netlink_rcv_skb+0x130/0x360 [ 7803.302979][ T10] netlink_unicast+0x449/0x710 [ 7803.302979][ T10] netlink_sendmsg+0x723/0xbe0 [ 7803.302979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7803.302979][ T10] ___sys_sendmsg+0xee/0x170 [ 7803.302979][ T10] __sys_sendmsg+0xcd/0x170 [ 7803.302979][ T10] do_syscall_64+0xc6/0x1e0 [ 7803.302979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7803.302979][ T10] [ 7803.305159][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7803.305159][ T10] netdev_get_by_index+0x5e/0x80 [ 7803.305159][ T10] fib6_nh_init+0x3d8/0x1580 [ 7803.305159][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7803.305159][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7803.305159][ T10] ipv6_add_addr+0x411/0x2000 [ 7803.305159][ T10] inet6_addr_add+0x30e/0xa40 [ 7803.305159][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7803.305159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7803.305159][ T10] netlink_rcv_skb+0x130/0x360 [ 7803.305159][ T10] netlink_unicast+0x449/0x710 [ 7803.305159][ T10] netlink_sendmsg+0x723/0xbe0 [ 7803.305159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7803.305159][ T10] ___sys_sendmsg+0xee/0x170 [ 7803.305159][ T10] __sys_sendmsg+0xcd/0x170 [ 7803.305159][ T10] do_syscall_64+0xc6/0x1e0 [ 7803.305159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7803.305159][ T10] [ 7803.307340][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7803.307340][ T10] netdev_get_by_index+0x5e/0x80 [ 7803.307340][ T10] fib6_nh_init+0x3d8/0x1580 [ 7803.307340][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7803.307340][ T10] ip6_route_add+0x1c/0x140 [ 7803.307340][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7803.307340][ T10] addrconf_add_dev+0xe2/0x170 [ 7803.307340][ T10] inet6_addr_add+0x12f/0xa40 [ 7803.307340][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7803.307340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7803.307340][ T10] netlink_rcv_skb+0x130/0x360 [ 7803.307340][ T10] netlink_unicast+0x449/0x710 [ 7803.307340][ T10] netlink_sendmsg+0x723/0xbe0 [ 7803.307340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7803.307340][ T10] ___sys_sendmsg+0xee/0x170 [ 7803.307340][ T10] __sys_sendmsg+0xcd/0x170 [ 7803.307340][ T10] do_syscall_64+0xc6/0x1e0 [ 7803.307340][ T10] [ 7803.309541][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7803.309541][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7803.309541][ T10] ipv6_find_idev+0x102/0x170 [ 7803.309541][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7803.309541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7803.309541][ T10] netlink_rcv_skb+0x130/0x360 [ 7803.309541][ T10] netlink_unicast+0x449/0x710 [ 7803.309541][ T10] netlink_sendmsg+0x723/0xbe0 [ 7803.309541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7803.309541][ T10] ___sys_sendmsg+0xee/0x170 [ 7803.309541][ T10] __sys_sendmsg+0xcd/0x170 [ 7803.309541][ T10] do_syscall_64+0xc6/0x1e0 [ 7803.309541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7803.309541][ T10] [ 7803.311291][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7803.311291][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7803.311291][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7803.311291][ T10] ipv6_find_idev+0x102/0x170 [ 7803.311291][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7803.311291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7803.311291][ T10] netlink_rcv_skb+0x130/0x360 [ 7803.311291][ T10] netlink_unicast+0x449/0x710 [ 7803.311291][ T10] netlink_sendmsg+0x723/0xbe0 [ 7803.311291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7803.311291][ T10] ___sys_sendmsg+0xee/0x170 [ 7803.311291][ T10] __sys_sendmsg+0xcd/0x170 [ 7803.311291][ T10] do_syscall_64+0xc6/0x1e0 [ 7803.311291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7803.311291][ T10] [ 7804.257102][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7804.257545][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7804.257545][ T1167] dst_init+0x84/0x4a0 [ 7804.257545][ T1167] dst_alloc+0x97/0x150 [ 7804.257545][ T1167] ip6_dst_alloc+0x23/0x90 [ 7804.257545][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7804.257545][ T1167] ip6_pol_route+0x56f/0x840 [ 7804.257545][ T1167] fib6_rule_lookup+0x334/0x630 [ 7804.257545][ T1167] ip6_route_output_flags+0x259/0x480 [ 7804.257545][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7804.257545][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7804.257545][ T1167] netlink_rcv_skb+0x130/0x360 [ 7804.257545][ T1167] netlink_unicast+0x449/0x710 [ 7804.257545][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7804.257545][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7804.257545][ T1167] ___sys_sendmsg+0xee/0x170 [ 7804.257545][ T1167] __sys_sendmsg+0xcd/0x170 [ 7804.257545][ T1167] do_syscall_64+0xc6/0x1e0 [ 7804.257545][ T1167] [ 7804.259725][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7804.259725][ T1167] netdev_get_by_index+0x5e/0x80 [ 7804.259725][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7804.259725][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7804.259725][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7804.259725][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7804.259725][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7804.259725][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7804.259725][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7804.259725][ T1167] addrconf_dad_begin+0x310/0x670 [ 7804.259725][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7804.259725][ T1167] process_one_work+0x84d/0x18a0 [ 7804.259725][ T1167] worker_thread+0x587/0xd30 [ 7804.259725][ T1167] kthread+0x28a/0x350 [ 7804.259725][ T1167] ret_from_fork+0x31/0x70 [ 7804.259725][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7804.259725][ T1167] [ 7804.261860][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7804.261860][ T1167] netdev_get_by_index+0x5e/0x80 [ 7804.261860][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7804.261860][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7804.261860][ T1167] ip6_route_add+0x1c/0x140 [ 7804.261860][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7804.261860][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7804.261860][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7804.261860][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7804.261860][ T1167] netlink_rcv_skb+0x130/0x360 [ 7804.261860][ T1167] netlink_unicast+0x449/0x710 [ 7804.261860][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7804.261860][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7804.261860][ T1167] ___sys_sendmsg+0xee/0x170 [ 7804.261860][ T1167] __sys_sendmsg+0xcd/0x170 [ 7804.261860][ T1167] do_syscall_64+0xc6/0x1e0 [ 7804.261860][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7804.261860][ T1167] [ 7804.264094][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7804.264094][ T1167] netdev_get_by_index+0x5e/0x80 [ 7804.264094][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7804.264094][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7804.264094][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7804.264094][ T1167] ipv6_add_addr+0x411/0x2000 [ 7804.264094][ T1167] inet6_addr_add+0x30e/0xa40 [ 7804.264094][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7804.264094][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7804.264094][ T1167] netlink_rcv_skb+0x130/0x360 [ 7804.264094][ T1167] netlink_unicast+0x449/0x710 [ 7804.264094][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7804.264094][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7804.264094][ T1167] ___sys_sendmsg+0xee/0x170 [ 7804.264094][ T1167] __sys_sendmsg+0xcd/0x170 [ 7804.264094][ T1167] do_syscall_64+0xc6/0x1e0 [ 7804.264094][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7804.264094][ T1167] [ 7804.266322][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7804.266322][ T1167] netdev_get_by_index+0x5e/0x80 [ 7804.266322][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7804.266322][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7804.266322][ T1167] ip6_route_add+0x1c/0x140 [ 7804.266322][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7804.266322][ T1167] addrconf_add_dev+0xe2/0x170 [ 7804.266322][ T1167] inet6_addr_add+0x12f/0xa40 [ 7804.266322][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7804.266322][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7804.266322][ T1167] netlink_rcv_skb+0x130/0x360 [ 7804.266322][ T1167] netlink_unicast+0x449/0x710 [ 7804.266322][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7804.266322][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7804.266322][ T1167] ___sys_sendmsg+0xee/0x170 [ 7804.266322][ T1167] __sys_sendmsg+0xcd/0x170 [ 7804.266322][ T1167] do_syscall_64+0xc6/0x1e0 [ 7804.266322][ T1167] [ 7804.268512][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7804.268512][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7804.268512][ T1167] ipv6_find_idev+0x102/0x170 [ 7804.268512][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7804.268512][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7804.268512][ T1167] netlink_rcv_skb+0x130/0x360 [ 7804.268512][ T1167] netlink_unicast+0x449/0x710 [ 7804.268512][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7804.268512][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7804.268512][ T1167] ___sys_sendmsg+0xee/0x170 [ 7804.268512][ T1167] __sys_sendmsg+0xcd/0x170 [ 7804.268512][ T1167] do_syscall_64+0xc6/0x1e0 [ 7804.268512][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7804.268512][ T1167] [ 7804.270230][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7804.270230][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7804.270230][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7804.270230][ T1167] ipv6_find_idev+0x102/0x170 [ 7804.270230][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7804.270230][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7804.270230][ T1167] netlink_rcv_skb+0x130/0x360 [ 7804.270230][ T1167] netlink_unicast+0x449/0x710 [ 7804.270230][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7804.270230][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7804.270230][ T1167] ___sys_sendmsg+0xee/0x170 [ 7804.270230][ T1167] __sys_sendmsg+0xcd/0x170 [ 7804.270230][ T1167] do_syscall_64+0xc6/0x1e0 [ 7804.270230][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7804.270230][ T1167] [ 7813.553115][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7813.553576][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7813.553576][ T10] netdev_get_by_index+0x5e/0x80 [ 7813.553576][ T10] fib6_nh_init+0x3d8/0x1580 [ 7813.553576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7813.553576][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7813.553576][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7813.553576][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7813.553576][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7813.553576][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7813.553576][ T10] addrconf_dad_begin+0x310/0x670 [ 7813.553576][ T10] addrconf_dad_work+0x10b/0xab0 [ 7813.553576][ T10] process_one_work+0x84d/0x18a0 [ 7813.553576][ T10] worker_thread+0x587/0xd30 [ 7813.553576][ T10] kthread+0x28a/0x350 [ 7813.553576][ T10] ret_from_fork+0x31/0x70 [ 7813.553576][ T10] ret_from_fork_asm+0x1a/0x30 [ 7813.553576][ T10] [ 7813.555529][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7813.555529][ T10] netdev_get_by_index+0x5e/0x80 [ 7813.555529][ T10] fib6_nh_init+0x3d8/0x1580 [ 7813.555529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7813.555529][ T10] ip6_route_add+0x1c/0x140 [ 7813.555529][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7813.555529][ T10] inet6_addr_add+0x4f8/0xa40 [ 7813.555529][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7813.555529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7813.555529][ T10] netlink_rcv_skb+0x130/0x360 [ 7813.555529][ T10] netlink_unicast+0x449/0x710 [ 7813.555529][ T10] netlink_sendmsg+0x723/0xbe0 [ 7813.555529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7813.555529][ T10] ___sys_sendmsg+0xee/0x170 [ 7813.555529][ T10] __sys_sendmsg+0xcd/0x170 [ 7813.555529][ T10] do_syscall_64+0xc6/0x1e0 [ 7813.555529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7813.555529][ T10] [ 7813.557536][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7813.557536][ T10] netdev_get_by_index+0x5e/0x80 [ 7813.557536][ T10] fib6_nh_init+0x3d8/0x1580 [ 7813.557536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7813.557536][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7813.557536][ T10] ipv6_add_addr+0x411/0x2000 [ 7813.557536][ T10] inet6_addr_add+0x30e/0xa40 [ 7813.557536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7813.557536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7813.557536][ T10] netlink_rcv_skb+0x130/0x360 [ 7813.557536][ T10] netlink_unicast+0x449/0x710 [ 7813.557536][ T10] netlink_sendmsg+0x723/0xbe0 [ 7813.557536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7813.557536][ T10] ___sys_sendmsg+0xee/0x170 [ 7813.557536][ T10] __sys_sendmsg+0xcd/0x170 [ 7813.557536][ T10] do_syscall_64+0xc6/0x1e0 [ 7813.557536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7813.557536][ T10] [ 7813.559547][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7813.559547][ T10] netdev_get_by_index+0x5e/0x80 [ 7813.559547][ T10] fib6_nh_init+0x3d8/0x1580 [ 7813.559547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7813.559547][ T10] ip6_route_add+0x1c/0x140 [ 7813.559547][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7813.559547][ T10] addrconf_add_dev+0xe2/0x170 [ 7813.559547][ T10] inet6_addr_add+0x12f/0xa40 [ 7813.559547][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7813.559547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7813.559547][ T10] netlink_rcv_skb+0x130/0x360 [ 7813.559547][ T10] netlink_unicast+0x449/0x710 [ 7813.559547][ T10] netlink_sendmsg+0x723/0xbe0 [ 7813.559547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7813.559547][ T10] ___sys_sendmsg+0xee/0x170 [ 7813.559547][ T10] __sys_sendmsg+0xcd/0x170 [ 7813.559547][ T10] do_syscall_64+0xc6/0x1e0 [ 7813.559547][ T10] [ 7813.561537][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7813.561537][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7813.561537][ T10] ipv6_find_idev+0x102/0x170 [ 7813.561537][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7813.561537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7813.561537][ T10] netlink_rcv_skb+0x130/0x360 [ 7813.561537][ T10] netlink_unicast+0x449/0x710 [ 7813.561537][ T10] netlink_sendmsg+0x723/0xbe0 [ 7813.561537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7813.561537][ T10] ___sys_sendmsg+0xee/0x170 [ 7813.561537][ T10] __sys_sendmsg+0xcd/0x170 [ 7813.561537][ T10] do_syscall_64+0xc6/0x1e0 [ 7813.561537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7813.561537][ T10] [ 7813.563083][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7813.563083][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7813.563083][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7813.563083][ T10] ipv6_find_idev+0x102/0x170 [ 7813.563083][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7813.563083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7813.563083][ T10] netlink_rcv_skb+0x130/0x360 [ 7813.563083][ T10] netlink_unicast+0x449/0x710 [ 7813.563083][ T10] netlink_sendmsg+0x723/0xbe0 [ 7813.563083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7813.563083][ T10] ___sys_sendmsg+0xee/0x170 [ 7813.563083][ T10] __sys_sendmsg+0xcd/0x170 [ 7813.563083][ T10] do_syscall_64+0xc6/0x1e0 [ 7813.563083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7813.563083][ T10] [ 7813.564804][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7813.565069][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7813.565069][ T10] netdev_get_by_index+0x5e/0x80 [ 7813.565069][ T10] fib6_nh_init+0x3d8/0x1580 [ 7813.565069][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7813.565069][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7813.565069][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7813.565069][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7813.565069][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7813.565069][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7813.565069][ T10] addrconf_dad_begin+0x310/0x670 [ 7813.565069][ T10] addrconf_dad_work+0x10b/0xab0 [ 7813.565069][ T10] process_one_work+0x84d/0x18a0 [ 7813.565069][ T10] worker_thread+0x587/0xd30 [ 7813.565069][ T10] kthread+0x28a/0x350 [ 7813.565069][ T10] ret_from_fork+0x31/0x70 [ 7813.565069][ T10] ret_from_fork_asm+0x1a/0x30 [ 7813.565069][ T10] [ 7813.566982][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7813.566982][ T10] netdev_get_by_index+0x5e/0x80 [ 7813.566982][ T10] fib6_nh_init+0x3d8/0x1580 [ 7813.566982][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7813.566982][ T10] ip6_route_add+0x1c/0x140 [ 7813.566982][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7813.566982][ T10] inet6_addr_add+0x4f8/0xa40 [ 7813.566982][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7813.566982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7813.566982][ T10] netlink_rcv_skb+0x130/0x360 [ 7813.566982][ T10] netlink_unicast+0x449/0x710 [ 7813.566982][ T10] netlink_sendmsg+0x723/0xbe0 [ 7813.566982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7813.566982][ T10] ___sys_sendmsg+0xee/0x170 [ 7813.566982][ T10] __sys_sendmsg+0xcd/0x170 [ 7813.566982][ T10] do_syscall_64+0xc6/0x1e0 [ 7813.566982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7813.566982][ T10] [ 7813.568989][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7813.568989][ T10] netdev_get_by_index+0x5e/0x80 [ 7813.568989][ T10] fib6_nh_init+0x3d8/0x1580 [ 7813.568989][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7813.568989][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7813.568989][ T10] ipv6_add_addr+0x411/0x2000 [ 7813.568989][ T10] inet6_addr_add+0x30e/0xa40 [ 7813.568989][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7813.568989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7813.568989][ T10] netlink_rcv_skb+0x130/0x360 [ 7813.568989][ T10] netlink_unicast+0x449/0x710 [ 7813.568989][ T10] netlink_sendmsg+0x723/0xbe0 [ 7813.568989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7813.568989][ T10] ___sys_sendmsg+0xee/0x170 [ 7813.568989][ T10] __sys_sendmsg+0xcd/0x170 [ 7813.568989][ T10] do_syscall_64+0xc6/0x1e0 [ 7813.568989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7813.568989][ T10] [ 7813.570992][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7813.570992][ T10] netdev_get_by_index+0x5e/0x80 [ 7813.570992][ T10] fib6_nh_init+0x3d8/0x1580 [ 7813.570992][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7813.570992][ T10] ip6_route_add+0x1c/0x140 [ 7813.570992][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7813.570992][ T10] addrconf_add_dev+0xe2/0x170 [ 7813.570992][ T10] inet6_addr_add+0x12f/0xa40 [ 7813.570992][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7813.570992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7813.570992][ T10] netlink_rcv_skb+0x130/0x360 [ 7813.570992][ T10] netlink_unicast+0x449/0x710 [ 7813.570992][ T10] netlink_sendmsg+0x723/0xbe0 [ 7813.570992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7813.570992][ T10] ___sys_sendmsg+0xee/0x170 [ 7813.570992][ T10] __sys_sendmsg+0xcd/0x170 [ 7813.570992][ T10] do_syscall_64+0xc6/0x1e0 [ 7813.570992][ T10] [ 7813.572965][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7813.572965][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7813.572965][ T10] ipv6_find_idev+0x102/0x170 [ 7813.572965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7813.572965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7813.572965][ T10] netlink_rcv_skb+0x130/0x360 [ 7813.572965][ T10] netlink_unicast+0x449/0x710 [ 7813.572965][ T10] netlink_sendmsg+0x723/0xbe0 [ 7813.572965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7813.572965][ T10] ___sys_sendmsg+0xee/0x170 [ 7813.572965][ T10] __sys_sendmsg+0xcd/0x170 [ 7813.572965][ T10] do_syscall_64+0xc6/0x1e0 [ 7813.572965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7813.572965][ T10] [ 7813.574508][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7813.574508][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7813.574508][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7813.574508][ T10] ipv6_find_idev+0x102/0x170 [ 7813.574508][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7813.574508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7813.574508][ T10] netlink_rcv_skb+0x130/0x360 [ 7813.574508][ T10] netlink_unicast+0x449/0x710 [ 7813.574508][ T10] netlink_sendmsg+0x723/0xbe0 [ 7813.574508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7813.574508][ T10] ___sys_sendmsg+0xee/0x170 [ 7813.574508][ T10] __sys_sendmsg+0xcd/0x170 [ 7813.574508][ T10] do_syscall_64+0xc6/0x1e0 [ 7813.574508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7813.574508][ T10] [ 7813.576211][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7813.576456][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7813.576456][ T10] netdev_get_by_index+0x5e/0x80 [ 7813.576456][ T10] fib6_nh_init+0x3d8/0x1580 [ 7813.576456][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7813.576456][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7813.576456][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7813.576456][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7813.576456][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7813.576456][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7813.576456][ T10] addrconf_dad_begin+0x310/0x670 [ 7813.576456][ T10] addrconf_dad_work+0x10b/0xab0 [ 7813.576456][ T10] process_one_work+0x84d/0x18a0 [ 7813.576456][ T10] worker_thread+0x587/0xd30 [ 7813.576456][ T10] kthread+0x28a/0x350 [ 7813.576456][ T10] ret_from_fork+0x31/0x70 [ 7813.576456][ T10] ret_from_fork_asm+0x1a/0x30 [ 7813.576456][ T10] [ 7813.578901][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7813.578901][ T10] netdev_get_by_index+0x5e/0x80 [ 7813.578901][ T10] fib6_nh_init+0x3d8/0x1580 [ 7813.578901][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7813.578901][ T10] ip6_route_add+0x1c/0x140 [ 7813.578901][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7813.578901][ T10] inet6_addr_add+0x4f8/0xa40 [ 7813.578901][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7813.578901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7813.578901][ T10] netlink_rcv_skb+0x130/0x360 [ 7813.578901][ T10] netlink_unicast+0x449/0x710 [ 7813.578901][ T10] netlink_sendmsg+0x723/0xbe0 [ 7813.578901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7813.578901][ T10] ___sys_sendmsg+0xee/0x170 [ 7813.578901][ T10] __sys_sendmsg+0xcd/0x170 [ 7813.578901][ T10] do_syscall_64+0xc6/0x1e0 [ 7813.578901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7813.578901][ T10] [ 7813.581123][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7813.581123][ T10] netdev_get_by_index+0x5e/0x80 [ 7813.581123][ T10] fib6_nh_init+0x3d8/0x1580 [ 7813.581123][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7813.581123][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7813.581123][ T10] ipv6_add_addr+0x411/0x2000 [ 7813.581123][ T10] inet6_addr_add+0x30e/0xa40 [ 7813.581123][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7813.581123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7813.581123][ T10] netlink_rcv_skb+0x130/0x360 [ 7813.581123][ T10] netlink_unicast+0x449/0x710 [ 7813.581123][ T10] netlink_sendmsg+0x723/0xbe0 [ 7813.581123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7813.581123][ T10] ___sys_sendmsg+0xee/0x170 [ 7813.581123][ T10] __sys_sendmsg+0xcd/0x170 [ 7813.581123][ T10] do_syscall_64+0xc6/0x1e0 [ 7813.581123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7813.581123][ T10] [ 7813.583433][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7813.583433][ T10] netdev_get_by_index+0x5e/0x80 [ 7813.583433][ T10] fib6_nh_init+0x3d8/0x1580 [ 7813.583433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7813.583433][ T10] ip6_route_add+0x1c/0x140 [ 7813.583433][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7813.583433][ T10] addrconf_add_dev+0xe2/0x170 [ 7813.583433][ T10] inet6_addr_add+0x12f/0xa40 [ 7813.583433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7813.583433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7813.583433][ T10] netlink_rcv_skb+0x130/0x360 [ 7813.583433][ T10] netlink_unicast+0x449/0x710 [ 7813.583433][ T10] netlink_sendmsg+0x723/0xbe0 [ 7813.583433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7813.583433][ T10] ___sys_sendmsg+0xee/0x170 [ 7813.583433][ T10] __sys_sendmsg+0xcd/0x170 [ 7813.583433][ T10] do_syscall_64+0xc6/0x1e0 [ 7813.583433][ T10] [ 7813.585572][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7813.585572][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7813.585572][ T10] ipv6_find_idev+0x102/0x170 [ 7813.585572][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7813.585572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7813.585572][ T10] netlink_rcv_skb+0x130/0x360 [ 7813.585572][ T10] netlink_unicast+0x449/0x710 [ 7813.585572][ T10] netlink_sendmsg+0x723/0xbe0 [ 7813.585572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7813.585572][ T10] ___sys_sendmsg+0xee/0x170 [ 7813.585572][ T10] __sys_sendmsg+0xcd/0x170 [ 7813.585572][ T10] do_syscall_64+0xc6/0x1e0 [ 7813.585572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7813.585572][ T10] [ 7813.587294][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7813.587294][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7813.587294][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7813.587294][ T10] ipv6_find_idev+0x102/0x170 [ 7813.587294][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7813.587294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7813.587294][ T10] netlink_rcv_skb+0x130/0x360 [ 7813.587294][ T10] netlink_unicast+0x449/0x710 [ 7813.587294][ T10] netlink_sendmsg+0x723/0xbe0 [ 7813.587294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7813.587294][ T10] ___sys_sendmsg+0xee/0x170 [ 7813.587294][ T10] __sys_sendmsg+0xcd/0x170 [ 7813.587294][ T10] do_syscall_64+0xc6/0x1e0 [ 7813.587294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7813.587294][ T10] [ 7813.589219][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7813.589458][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7813.589458][ T10] netdev_get_by_index+0x5e/0x80 [ 7813.589458][ T10] fib6_nh_init+0x3d8/0x1580 [ 7813.589458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7813.589458][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7813.589458][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7813.589458][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7813.589458][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7813.589458][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7813.589458][ T10] addrconf_dad_begin+0x310/0x670 [ 7813.589458][ T10] addrconf_dad_work+0x10b/0xab0 [ 7813.589458][ T10] process_one_work+0x84d/0x18a0 [ 7813.589458][ T10] worker_thread+0x587/0xd30 [ 7813.589458][ T10] kthread+0x28a/0x350 [ 7813.589458][ T10] ret_from_fork+0x31/0x70 [ 7813.589458][ T10] ret_from_fork_asm+0x1a/0x30 [ 7813.589458][ T10] [ 7813.591684][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7813.591684][ T10] netdev_get_by_index+0x5e/0x80 [ 7813.591684][ T10] fib6_nh_init+0x3d8/0x1580 [ 7813.591684][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7813.591684][ T10] ip6_route_add+0x1c/0x140 [ 7813.591684][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7813.591684][ T10] inet6_addr_add+0x4f8/0xa40 [ 7813.591684][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7813.591684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7813.591684][ T10] netlink_rcv_skb+0x130/0x360 [ 7813.591684][ T10] netlink_unicast+0x449/0x710 [ 7813.591684][ T10] netlink_sendmsg+0x723/0xbe0 [ 7813.591684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7813.591684][ T10] ___sys_sendmsg+0xee/0x170 [ 7813.591684][ T10] __sys_sendmsg+0xcd/0x170 [ 7813.591684][ T10] do_syscall_64+0xc6/0x1e0 [ 7813.591684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7813.591684][ T10] [ 7813.593866][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7813.593866][ T10] netdev_get_by_index+0x5e/0x80 [ 7813.593866][ T10] fib6_nh_init+0x3d8/0x1580 [ 7813.593866][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7813.593866][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7813.593866][ T10] ipv6_add_addr+0x411/0x2000 [ 7813.593866][ T10] inet6_addr_add+0x30e/0xa40 [ 7813.593866][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7813.593866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7813.593866][ T10] netlink_rcv_skb+0x130/0x360 [ 7813.593866][ T10] netlink_unicast+0x449/0x710 [ 7813.593866][ T10] netlink_sendmsg+0x723/0xbe0 [ 7813.593866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7813.593866][ T10] ___sys_sendmsg+0xee/0x170 [ 7813.593866][ T10] __sys_sendmsg+0xcd/0x170 [ 7813.593866][ T10] do_syscall_64+0xc6/0x1e0 [ 7813.593866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7813.593866][ T10] [ 7813.596111][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7813.596111][ T10] netdev_get_by_index+0x5e/0x80 [ 7813.596111][ T10] fib6_nh_init+0x3d8/0x1580 [ 7813.596111][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7813.596111][ T10] ip6_route_add+0x1c/0x140 [ 7813.596111][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7813.596111][ T10] addrconf_add_dev+0xe2/0x170 [ 7813.596111][ T10] inet6_addr_add+0x12f/0xa40 [ 7813.596111][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7813.596111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7813.596111][ T10] netlink_rcv_skb+0x130/0x360 [ 7813.596111][ T10] netlink_unicast+0x449/0x710 [ 7813.596111][ T10] netlink_sendmsg+0x723/0xbe0 [ 7813.596111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7813.596111][ T10] ___sys_sendmsg+0xee/0x170 [ 7813.596111][ T10] __sys_sendmsg+0xcd/0x170 [ 7813.596111][ T10] do_syscall_64+0xc6/0x1e0 [ 7813.596111][ T10] [ 7813.598312][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7813.598312][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7813.598312][ T10] ipv6_find_idev+0x102/0x170 [ 7813.598312][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7813.598312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7813.598312][ T10] netlink_rcv_skb+0x130/0x360 [ 7813.598312][ T10] netlink_unicast+0x449/0x710 [ 7813.598312][ T10] netlink_sendmsg+0x723/0xbe0 [ 7813.598312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7813.598312][ T10] ___sys_sendmsg+0xee/0x170 [ 7813.598312][ T10] __sys_sendmsg+0xcd/0x170 [ 7813.598312][ T10] do_syscall_64+0xc6/0x1e0 [ 7813.598312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7813.598312][ T10] [ 7813.600035][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7813.600035][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7813.600035][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7813.600035][ T10] ipv6_find_idev+0x102/0x170 [ 7813.600035][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7813.600035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7813.600035][ T10] netlink_rcv_skb+0x130/0x360 [ 7813.600035][ T10] netlink_unicast+0x449/0x710 [ 7813.600035][ T10] netlink_sendmsg+0x723/0xbe0 [ 7813.600035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7813.600035][ T10] ___sys_sendmsg+0xee/0x170 [ 7813.600035][ T10] __sys_sendmsg+0xcd/0x170 [ 7813.600035][ T10] do_syscall_64+0xc6/0x1e0 [ 7813.600035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7813.600035][ T10] [ 7814.281105][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7814.281552][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7814.281552][ T1167] dst_init+0x84/0x4a0 [ 7814.281552][ T1167] dst_alloc+0x97/0x150 [ 7814.281552][ T1167] ip6_dst_alloc+0x23/0x90 [ 7814.281552][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7814.281552][ T1167] ip6_pol_route+0x56f/0x840 [ 7814.281552][ T1167] fib6_rule_lookup+0x334/0x630 [ 7814.281552][ T1167] ip6_route_output_flags+0x259/0x480 [ 7814.281552][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7814.281552][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7814.281552][ T1167] netlink_rcv_skb+0x130/0x360 [ 7814.281552][ T1167] netlink_unicast+0x449/0x710 [ 7814.281552][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7814.281552][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7814.281552][ T1167] ___sys_sendmsg+0xee/0x170 [ 7814.281552][ T1167] __sys_sendmsg+0xcd/0x170 [ 7814.281552][ T1167] do_syscall_64+0xc6/0x1e0 [ 7814.281552][ T1167] [ 7814.283727][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7814.283727][ T1167] netdev_get_by_index+0x5e/0x80 [ 7814.283727][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7814.283727][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7814.283727][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7814.283727][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7814.283727][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7814.283727][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7814.283727][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7814.283727][ T1167] addrconf_dad_begin+0x310/0x670 [ 7814.283727][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7814.283727][ T1167] process_one_work+0x84d/0x18a0 [ 7814.283727][ T1167] worker_thread+0x587/0xd30 [ 7814.283727][ T1167] kthread+0x28a/0x350 [ 7814.283727][ T1167] ret_from_fork+0x31/0x70 [ 7814.283727][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7814.283727][ T1167] [ 7814.285859][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7814.285859][ T1167] netdev_get_by_index+0x5e/0x80 [ 7814.285859][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7814.285859][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7814.285859][ T1167] ip6_route_add+0x1c/0x140 [ 7814.285859][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7814.285859][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7814.285859][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7814.285859][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7814.285859][ T1167] netlink_rcv_skb+0x130/0x360 [ 7814.285859][ T1167] netlink_unicast+0x449/0x710 [ 7814.285859][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7814.285859][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7814.285859][ T1167] ___sys_sendmsg+0xee/0x170 [ 7814.285859][ T1167] __sys_sendmsg+0xcd/0x170 [ 7814.285859][ T1167] do_syscall_64+0xc6/0x1e0 [ 7814.285859][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7814.285859][ T1167] [ 7814.288093][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7814.288093][ T1167] netdev_get_by_index+0x5e/0x80 [ 7814.288093][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7814.288093][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7814.288093][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7814.288093][ T1167] ipv6_add_addr+0x411/0x2000 [ 7814.288093][ T1167] inet6_addr_add+0x30e/0xa40 [ 7814.288093][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7814.288093][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7814.288093][ T1167] netlink_rcv_skb+0x130/0x360 [ 7814.288093][ T1167] netlink_unicast+0x449/0x710 [ 7814.288093][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7814.288093][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7814.288093][ T1167] ___sys_sendmsg+0xee/0x170 [ 7814.288093][ T1167] __sys_sendmsg+0xcd/0x170 [ 7814.288093][ T1167] do_syscall_64+0xc6/0x1e0 [ 7814.288093][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7814.288093][ T1167] [ 7814.290319][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7814.290319][ T1167] netdev_get_by_index+0x5e/0x80 [ 7814.290319][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7814.290319][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7814.290319][ T1167] ip6_route_add+0x1c/0x140 [ 7814.290319][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7814.290319][ T1167] addrconf_add_dev+0xe2/0x170 [ 7814.290319][ T1167] inet6_addr_add+0x12f/0xa40 [ 7814.290319][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7814.290319][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7814.290319][ T1167] netlink_rcv_skb+0x130/0x360 [ 7814.290319][ T1167] netlink_unicast+0x449/0x710 [ 7814.290319][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7814.290319][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7814.290319][ T1167] ___sys_sendmsg+0xee/0x170 [ 7814.290319][ T1167] __sys_sendmsg+0xcd/0x170 [ 7814.290319][ T1167] do_syscall_64+0xc6/0x1e0 [ 7814.290319][ T1167] [ 7814.292512][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7814.292512][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7814.292512][ T1167] ipv6_find_idev+0x102/0x170 [ 7814.292512][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7814.292512][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7814.292512][ T1167] netlink_rcv_skb+0x130/0x360 [ 7814.292512][ T1167] netlink_unicast+0x449/0x710 [ 7814.292512][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7814.292512][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7814.292512][ T1167] ___sys_sendmsg+0xee/0x170 [ 7814.292512][ T1167] __sys_sendmsg+0xcd/0x170 [ 7814.292512][ T1167] do_syscall_64+0xc6/0x1e0 [ 7814.292512][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7814.292512][ T1167] [ 7814.294221][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7814.294221][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7814.294221][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7814.294221][ T1167] ipv6_find_idev+0x102/0x170 [ 7814.294221][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7814.294221][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7814.294221][ T1167] netlink_rcv_skb+0x130/0x360 [ 7814.294221][ T1167] netlink_unicast+0x449/0x710 [ 7814.294221][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7814.294221][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7814.294221][ T1167] ___sys_sendmsg+0xee/0x170 [ 7814.294221][ T1167] __sys_sendmsg+0xcd/0x170 [ 7814.294221][ T1167] do_syscall_64+0xc6/0x1e0 [ 7814.294221][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7814.294221][ T1167] [ 7823.841114][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7823.841495][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7823.841495][ T10] netdev_get_by_index+0x5e/0x80 [ 7823.841495][ T10] fib6_nh_init+0x3d8/0x1580 [ 7823.841495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7823.841495][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7823.841495][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7823.841495][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7823.841495][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7823.841495][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7823.841495][ T10] addrconf_dad_begin+0x310/0x670 [ 7823.841495][ T10] addrconf_dad_work+0x10b/0xab0 [ 7823.841495][ T10] process_one_work+0x84d/0x18a0 [ 7823.841495][ T10] worker_thread+0x587/0xd30 [ 7823.841495][ T10] kthread+0x28a/0x350 [ 7823.841495][ T10] ret_from_fork+0x31/0x70 [ 7823.841495][ T10] ret_from_fork_asm+0x1a/0x30 [ 7823.841495][ T10] [ 7823.843466][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7823.843466][ T10] netdev_get_by_index+0x5e/0x80 [ 7823.843466][ T10] fib6_nh_init+0x3d8/0x1580 [ 7823.843466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7823.843466][ T10] ip6_route_add+0x1c/0x140 [ 7823.843466][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7823.843466][ T10] inet6_addr_add+0x4f8/0xa40 [ 7823.843466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7823.843466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7823.843466][ T10] netlink_rcv_skb+0x130/0x360 [ 7823.843466][ T10] netlink_unicast+0x449/0x710 [ 7823.843466][ T10] netlink_sendmsg+0x723/0xbe0 [ 7823.843466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7823.843466][ T10] ___sys_sendmsg+0xee/0x170 [ 7823.843466][ T10] __sys_sendmsg+0xcd/0x170 [ 7823.843466][ T10] do_syscall_64+0xc6/0x1e0 [ 7823.843466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7823.843466][ T10] [ 7823.845482][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7823.845482][ T10] netdev_get_by_index+0x5e/0x80 [ 7823.845482][ T10] fib6_nh_init+0x3d8/0x1580 [ 7823.845482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7823.845482][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7823.845482][ T10] ipv6_add_addr+0x411/0x2000 [ 7823.845482][ T10] inet6_addr_add+0x30e/0xa40 [ 7823.845482][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7823.845482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7823.845482][ T10] netlink_rcv_skb+0x130/0x360 [ 7823.845482][ T10] netlink_unicast+0x449/0x710 [ 7823.845482][ T10] netlink_sendmsg+0x723/0xbe0 [ 7823.845482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7823.845482][ T10] ___sys_sendmsg+0xee/0x170 [ 7823.845482][ T10] __sys_sendmsg+0xcd/0x170 [ 7823.845482][ T10] do_syscall_64+0xc6/0x1e0 [ 7823.845482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7823.845482][ T10] [ 7823.847491][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7823.847491][ T10] netdev_get_by_index+0x5e/0x80 [ 7823.847491][ T10] fib6_nh_init+0x3d8/0x1580 [ 7823.847491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7823.847491][ T10] ip6_route_add+0x1c/0x140 [ 7823.847491][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7823.847491][ T10] addrconf_add_dev+0xe2/0x170 [ 7823.847491][ T10] inet6_addr_add+0x12f/0xa40 [ 7823.847491][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7823.847491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7823.847491][ T10] netlink_rcv_skb+0x130/0x360 [ 7823.847491][ T10] netlink_unicast+0x449/0x710 [ 7823.847491][ T10] netlink_sendmsg+0x723/0xbe0 [ 7823.847491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7823.847491][ T10] ___sys_sendmsg+0xee/0x170 [ 7823.847491][ T10] __sys_sendmsg+0xcd/0x170 [ 7823.847491][ T10] do_syscall_64+0xc6/0x1e0 [ 7823.847491][ T10] [ 7823.849477][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7823.849477][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7823.849477][ T10] ipv6_find_idev+0x102/0x170 [ 7823.849477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7823.849477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7823.849477][ T10] netlink_rcv_skb+0x130/0x360 [ 7823.849477][ T10] netlink_unicast+0x449/0x710 [ 7823.849477][ T10] netlink_sendmsg+0x723/0xbe0 [ 7823.849477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7823.849477][ T10] ___sys_sendmsg+0xee/0x170 [ 7823.849477][ T10] __sys_sendmsg+0xcd/0x170 [ 7823.849477][ T10] do_syscall_64+0xc6/0x1e0 [ 7823.849477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7823.849477][ T10] [ 7823.851025][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7823.851025][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7823.851025][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7823.851025][ T10] ipv6_find_idev+0x102/0x170 [ 7823.851025][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7823.851025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7823.851025][ T10] netlink_rcv_skb+0x130/0x360 [ 7823.851025][ T10] netlink_unicast+0x449/0x710 [ 7823.851025][ T10] netlink_sendmsg+0x723/0xbe0 [ 7823.851025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7823.851025][ T10] ___sys_sendmsg+0xee/0x170 [ 7823.851025][ T10] __sys_sendmsg+0xcd/0x170 [ 7823.851025][ T10] do_syscall_64+0xc6/0x1e0 [ 7823.851025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7823.851025][ T10] [ 7823.852731][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7823.852983][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7823.852983][ T10] netdev_get_by_index+0x5e/0x80 [ 7823.852983][ T10] fib6_nh_init+0x3d8/0x1580 [ 7823.852983][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7823.852983][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7823.852983][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7823.852983][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7823.852983][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7823.852983][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7823.852983][ T10] addrconf_dad_begin+0x310/0x670 [ 7823.852983][ T10] addrconf_dad_work+0x10b/0xab0 [ 7823.852983][ T10] process_one_work+0x84d/0x18a0 [ 7823.852983][ T10] worker_thread+0x587/0xd30 [ 7823.852983][ T10] kthread+0x28a/0x350 [ 7823.852983][ T10] ret_from_fork+0x31/0x70 [ 7823.852983][ T10] ret_from_fork_asm+0x1a/0x30 [ 7823.852983][ T10] [ 7823.854906][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7823.854906][ T10] netdev_get_by_index+0x5e/0x80 [ 7823.854906][ T10] fib6_nh_init+0x3d8/0x1580 [ 7823.854906][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7823.854906][ T10] ip6_route_add+0x1c/0x140 [ 7823.854906][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7823.854906][ T10] inet6_addr_add+0x4f8/0xa40 [ 7823.854906][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7823.854906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7823.854906][ T10] netlink_rcv_skb+0x130/0x360 [ 7823.854906][ T10] netlink_unicast+0x449/0x710 [ 7823.854906][ T10] netlink_sendmsg+0x723/0xbe0 [ 7823.854906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7823.854906][ T10] ___sys_sendmsg+0xee/0x170 [ 7823.854906][ T10] __sys_sendmsg+0xcd/0x170 [ 7823.854906][ T10] do_syscall_64+0xc6/0x1e0 [ 7823.854906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7823.854906][ T10] [ 7823.856915][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7823.856915][ T10] netdev_get_by_index+0x5e/0x80 [ 7823.856915][ T10] fib6_nh_init+0x3d8/0x1580 [ 7823.856915][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7823.856915][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7823.856915][ T10] ipv6_add_addr+0x411/0x2000 [ 7823.856915][ T10] inet6_addr_add+0x30e/0xa40 [ 7823.856915][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7823.856915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7823.856915][ T10] netlink_rcv_skb+0x130/0x360 [ 7823.856915][ T10] netlink_unicast+0x449/0x710 [ 7823.856915][ T10] netlink_sendmsg+0x723/0xbe0 [ 7823.856915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7823.856915][ T10] ___sys_sendmsg+0xee/0x170 [ 7823.856915][ T10] __sys_sendmsg+0xcd/0x170 [ 7823.856915][ T10] do_syscall_64+0xc6/0x1e0 [ 7823.856915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7823.856915][ T10] [ 7823.858918][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7823.858918][ T10] netdev_get_by_index+0x5e/0x80 [ 7823.858918][ T10] fib6_nh_init+0x3d8/0x1580 [ 7823.858918][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7823.858918][ T10] ip6_route_add+0x1c/0x140 [ 7823.858918][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7823.858918][ T10] addrconf_add_dev+0xe2/0x170 [ 7823.858918][ T10] inet6_addr_add+0x12f/0xa40 [ 7823.858918][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7823.858918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7823.858918][ T10] netlink_rcv_skb+0x130/0x360 [ 7823.858918][ T10] netlink_unicast+0x449/0x710 [ 7823.858918][ T10] netlink_sendmsg+0x723/0xbe0 [ 7823.858918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7823.858918][ T10] ___sys_sendmsg+0xee/0x170 [ 7823.858918][ T10] __sys_sendmsg+0xcd/0x170 [ 7823.858918][ T10] do_syscall_64+0xc6/0x1e0 [ 7823.858918][ T10] [ 7823.860931][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7823.860931][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7823.860931][ T10] ipv6_find_idev+0x102/0x170 [ 7823.860931][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7823.860931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7823.860931][ T10] netlink_rcv_skb+0x130/0x360 [ 7823.860931][ T10] netlink_unicast+0x449/0x710 [ 7823.860931][ T10] netlink_sendmsg+0x723/0xbe0 [ 7823.860931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7823.860931][ T10] ___sys_sendmsg+0xee/0x170 [ 7823.860931][ T10] __sys_sendmsg+0xcd/0x170 [ 7823.860931][ T10] do_syscall_64+0xc6/0x1e0 [ 7823.860931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7823.860931][ T10] [ 7823.862478][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7823.862478][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7823.862478][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7823.862478][ T10] ipv6_find_idev+0x102/0x170 [ 7823.862478][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7823.862478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7823.862478][ T10] netlink_rcv_skb+0x130/0x360 [ 7823.862478][ T10] netlink_unicast+0x449/0x710 [ 7823.862478][ T10] netlink_sendmsg+0x723/0xbe0 [ 7823.862478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7823.862478][ T10] ___sys_sendmsg+0xee/0x170 [ 7823.862478][ T10] __sys_sendmsg+0xcd/0x170 [ 7823.862478][ T10] do_syscall_64+0xc6/0x1e0 [ 7823.862478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7823.862478][ T10] [ 7823.864168][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7823.864405][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7823.864405][ T10] netdev_get_by_index+0x5e/0x80 [ 7823.864405][ T10] fib6_nh_init+0x3d8/0x1580 [ 7823.864405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7823.864405][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7823.864405][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7823.864405][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7823.864405][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7823.864405][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7823.864405][ T10] addrconf_dad_begin+0x310/0x670 [ 7823.864405][ T10] addrconf_dad_work+0x10b/0xab0 [ 7823.864405][ T10] process_one_work+0x84d/0x18a0 [ 7823.864405][ T10] worker_thread+0x587/0xd30 [ 7823.864405][ T10] kthread+0x28a/0x350 [ 7823.864405][ T10] ret_from_fork+0x31/0x70 [ 7823.864405][ T10] ret_from_fork_asm+0x1a/0x30 [ 7823.864405][ T10] [ 7823.866323][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7823.866323][ T10] netdev_get_by_index+0x5e/0x80 [ 7823.866323][ T10] fib6_nh_init+0x3d8/0x1580 [ 7823.866323][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7823.866323][ T10] ip6_route_add+0x1c/0x140 [ 7823.866323][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7823.866323][ T10] inet6_addr_add+0x4f8/0xa40 [ 7823.866323][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7823.866323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7823.866323][ T10] netlink_rcv_skb+0x130/0x360 [ 7823.866323][ T10] netlink_unicast+0x449/0x710 [ 7823.866323][ T10] netlink_sendmsg+0x723/0xbe0 [ 7823.866323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7823.866323][ T10] ___sys_sendmsg+0xee/0x170 [ 7823.866323][ T10] __sys_sendmsg+0xcd/0x170 [ 7823.866323][ T10] do_syscall_64+0xc6/0x1e0 [ 7823.866323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7823.866323][ T10] [ 7823.868462][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7823.868462][ T10] netdev_get_by_index+0x5e/0x80 [ 7823.868462][ T10] fib6_nh_init+0x3d8/0x1580 [ 7823.868462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7823.868462][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7823.868462][ T10] ipv6_add_addr+0x411/0x2000 [ 7823.868462][ T10] inet6_addr_add+0x30e/0xa40 [ 7823.868462][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7823.868462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7823.868462][ T10] netlink_rcv_skb+0x130/0x360 [ 7823.868462][ T10] netlink_unicast+0x449/0x710 [ 7823.868462][ T10] netlink_sendmsg+0x723/0xbe0 [ 7823.868462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7823.868462][ T10] ___sys_sendmsg+0xee/0x170 [ 7823.868462][ T10] __sys_sendmsg+0xcd/0x170 [ 7823.868462][ T10] do_syscall_64+0xc6/0x1e0 [ 7823.868462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7823.868462][ T10] [ 7823.870610][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7823.870610][ T10] netdev_get_by_index+0x5e/0x80 [ 7823.870610][ T10] fib6_nh_init+0x3d8/0x1580 [ 7823.870610][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7823.870610][ T10] ip6_route_add+0x1c/0x140 [ 7823.870610][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7823.870610][ T10] addrconf_add_dev+0xe2/0x170 [ 7823.870610][ T10] inet6_addr_add+0x12f/0xa40 [ 7823.870610][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7823.870610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7823.870610][ T10] netlink_rcv_skb+0x130/0x360 [ 7823.870610][ T10] netlink_unicast+0x449/0x710 [ 7823.870610][ T10] netlink_sendmsg+0x723/0xbe0 [ 7823.870610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7823.870610][ T10] ___sys_sendmsg+0xee/0x170 [ 7823.870610][ T10] __sys_sendmsg+0xcd/0x170 [ 7823.870610][ T10] do_syscall_64+0xc6/0x1e0 [ 7823.870610][ T10] [ 7823.872721][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7823.872721][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7823.872721][ T10] ipv6_find_idev+0x102/0x170 [ 7823.872721][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7823.872721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7823.872721][ T10] netlink_rcv_skb+0x130/0x360 [ 7823.872721][ T10] netlink_unicast+0x449/0x710 [ 7823.872721][ T10] netlink_sendmsg+0x723/0xbe0 [ 7823.872721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7823.872721][ T10] ___sys_sendmsg+0xee/0x170 [ 7823.872721][ T10] __sys_sendmsg+0xcd/0x170 [ 7823.872721][ T10] do_syscall_64+0xc6/0x1e0 [ 7823.872721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7823.872721][ T10] [ 7823.874324][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7823.874324][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7823.874324][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7823.874324][ T10] ipv6_find_idev+0x102/0x170 [ 7823.874324][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7823.874324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7823.874324][ T10] netlink_rcv_skb+0x130/0x360 [ 7823.874324][ T10] netlink_unicast+0x449/0x710 [ 7823.874324][ T10] netlink_sendmsg+0x723/0xbe0 [ 7823.874324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7823.874324][ T10] ___sys_sendmsg+0xee/0x170 [ 7823.874324][ T10] __sys_sendmsg+0xcd/0x170 [ 7823.874324][ T10] do_syscall_64+0xc6/0x1e0 [ 7823.874324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7823.874324][ T10] [ 7823.876147][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7823.876383][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7823.876383][ T10] netdev_get_by_index+0x5e/0x80 [ 7823.876383][ T10] fib6_nh_init+0x3d8/0x1580 [ 7823.876383][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7823.876383][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7823.876383][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7823.876383][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7823.876383][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7823.876383][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7823.876383][ T10] addrconf_dad_begin+0x310/0x670 [ 7823.876383][ T10] addrconf_dad_work+0x10b/0xab0 [ 7823.876383][ T10] process_one_work+0x84d/0x18a0 [ 7823.876383][ T10] worker_thread+0x587/0xd30 [ 7823.876383][ T10] kthread+0x28a/0x350 [ 7823.876383][ T10] ret_from_fork+0x31/0x70 [ 7823.876383][ T10] ret_from_fork_asm+0x1a/0x30 [ 7823.876383][ T10] [ 7823.878495][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7823.878495][ T10] netdev_get_by_index+0x5e/0x80 [ 7823.878495][ T10] fib6_nh_init+0x3d8/0x1580 [ 7823.878495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7823.878495][ T10] ip6_route_add+0x1c/0x140 [ 7823.878495][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7823.878495][ T10] inet6_addr_add+0x4f8/0xa40 [ 7823.878495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7823.878495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7823.878495][ T10] netlink_rcv_skb+0x130/0x360 [ 7823.878495][ T10] netlink_unicast+0x449/0x710 [ 7823.878495][ T10] netlink_sendmsg+0x723/0xbe0 [ 7823.878495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7823.878495][ T10] ___sys_sendmsg+0xee/0x170 [ 7823.878495][ T10] __sys_sendmsg+0xcd/0x170 [ 7823.878495][ T10] do_syscall_64+0xc6/0x1e0 [ 7823.878495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7823.878495][ T10] [ 7823.880629][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7823.880629][ T10] netdev_get_by_index+0x5e/0x80 [ 7823.880629][ T10] fib6_nh_init+0x3d8/0x1580 [ 7823.880629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7823.880629][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7823.880629][ T10] ipv6_add_addr+0x411/0x2000 [ 7823.880629][ T10] inet6_addr_add+0x30e/0xa40 [ 7823.880629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7823.880629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7823.880629][ T10] netlink_rcv_skb+0x130/0x360 [ 7823.880629][ T10] netlink_unicast+0x449/0x710 [ 7823.880629][ T10] netlink_sendmsg+0x723/0xbe0 [ 7823.880629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7823.880629][ T10] ___sys_sendmsg+0xee/0x170 [ 7823.880629][ T10] __sys_sendmsg+0xcd/0x170 [ 7823.880629][ T10] do_syscall_64+0xc6/0x1e0 [ 7823.880629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7823.880629][ T10] [ 7823.882767][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7823.882767][ T10] netdev_get_by_index+0x5e/0x80 [ 7823.882767][ T10] fib6_nh_init+0x3d8/0x1580 [ 7823.882767][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7823.882767][ T10] ip6_route_add+0x1c/0x140 [ 7823.882767][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7823.882767][ T10] addrconf_add_dev+0xe2/0x170 [ 7823.882767][ T10] inet6_addr_add+0x12f/0xa40 [ 7823.882767][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7823.882767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7823.882767][ T10] netlink_rcv_skb+0x130/0x360 [ 7823.882767][ T10] netlink_unicast+0x449/0x710 [ 7823.882767][ T10] netlink_sendmsg+0x723/0xbe0 [ 7823.882767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7823.882767][ T10] ___sys_sendmsg+0xee/0x170 [ 7823.882767][ T10] __sys_sendmsg+0xcd/0x170 [ 7823.882767][ T10] do_syscall_64+0xc6/0x1e0 [ 7823.882767][ T10] [ 7823.884868][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7823.884868][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7823.884868][ T10] ipv6_find_idev+0x102/0x170 [ 7823.884868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7823.884868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7823.884868][ T10] netlink_rcv_skb+0x130/0x360 [ 7823.884868][ T10] netlink_unicast+0x449/0x710 [ 7823.884868][ T10] netlink_sendmsg+0x723/0xbe0 [ 7823.884868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7823.884868][ T10] ___sys_sendmsg+0xee/0x170 [ 7823.884868][ T10] __sys_sendmsg+0xcd/0x170 [ 7823.884868][ T10] do_syscall_64+0xc6/0x1e0 [ 7823.884868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7823.884868][ T10] [ 7823.886476][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7823.886476][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7823.886476][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7823.886476][ T10] ipv6_find_idev+0x102/0x170 [ 7823.886476][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7823.886476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7823.886476][ T10] netlink_rcv_skb+0x130/0x360 [ 7823.886476][ T10] netlink_unicast+0x449/0x710 [ 7823.886476][ T10] netlink_sendmsg+0x723/0xbe0 [ 7823.886476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7823.886476][ T10] ___sys_sendmsg+0xee/0x170 [ 7823.886476][ T10] __sys_sendmsg+0xcd/0x170 [ 7823.886476][ T10] do_syscall_64+0xc6/0x1e0 [ 7823.886476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7823.886476][ T10] [ 7824.537184][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7824.537550][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7824.537550][ T1167] dst_init+0x84/0x4a0 [ 7824.537550][ T1167] dst_alloc+0x97/0x150 [ 7824.537550][ T1167] ip6_dst_alloc+0x23/0x90 [ 7824.537550][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7824.537550][ T1167] ip6_pol_route+0x56f/0x840 [ 7824.537550][ T1167] fib6_rule_lookup+0x334/0x630 [ 7824.537550][ T1167] ip6_route_output_flags+0x259/0x480 [ 7824.537550][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7824.537550][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7824.537550][ T1167] netlink_rcv_skb+0x130/0x360 [ 7824.537550][ T1167] netlink_unicast+0x449/0x710 [ 7824.537550][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7824.537550][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7824.537550][ T1167] ___sys_sendmsg+0xee/0x170 [ 7824.537550][ T1167] __sys_sendmsg+0xcd/0x170 [ 7824.537550][ T1167] do_syscall_64+0xc6/0x1e0 [ 7824.537550][ T1167] [ 7824.539736][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7824.539736][ T1167] netdev_get_by_index+0x5e/0x80 [ 7824.539736][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7824.539736][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7824.539736][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7824.539736][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7824.539736][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7824.539736][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7824.539736][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7824.539736][ T1167] addrconf_dad_begin+0x310/0x670 [ 7824.539736][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7824.539736][ T1167] process_one_work+0x84d/0x18a0 [ 7824.539736][ T1167] worker_thread+0x587/0xd30 [ 7824.539736][ T1167] kthread+0x28a/0x350 [ 7824.539736][ T1167] ret_from_fork+0x31/0x70 [ 7824.539736][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7824.539736][ T1167] [ 7824.541886][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7824.541886][ T1167] netdev_get_by_index+0x5e/0x80 [ 7824.541886][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7824.541886][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7824.541886][ T1167] ip6_route_add+0x1c/0x140 [ 7824.541886][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7824.541886][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7824.541886][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7824.541886][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7824.541886][ T1167] netlink_rcv_skb+0x130/0x360 [ 7824.541886][ T1167] netlink_unicast+0x449/0x710 [ 7824.541886][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7824.541886][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7824.541886][ T1167] ___sys_sendmsg+0xee/0x170 [ 7824.541886][ T1167] __sys_sendmsg+0xcd/0x170 [ 7824.541886][ T1167] do_syscall_64+0xc6/0x1e0 [ 7824.541886][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7824.541886][ T1167] [ 7824.544118][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7824.544118][ T1167] netdev_get_by_index+0x5e/0x80 [ 7824.544118][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7824.544118][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7824.544118][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7824.544118][ T1167] ipv6_add_addr+0x411/0x2000 [ 7824.544118][ T1167] inet6_addr_add+0x30e/0xa40 [ 7824.544118][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7824.544118][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7824.544118][ T1167] netlink_rcv_skb+0x130/0x360 [ 7824.544118][ T1167] netlink_unicast+0x449/0x710 [ 7824.544118][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7824.544118][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7824.544118][ T1167] ___sys_sendmsg+0xee/0x170 [ 7824.544118][ T1167] __sys_sendmsg+0xcd/0x170 [ 7824.544118][ T1167] do_syscall_64+0xc6/0x1e0 [ 7824.544118][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7824.544118][ T1167] [ 7824.546348][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7824.546348][ T1167] netdev_get_by_index+0x5e/0x80 [ 7824.546348][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7824.546348][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7824.546348][ T1167] ip6_route_add+0x1c/0x140 [ 7824.546348][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7824.546348][ T1167] addrconf_add_dev+0xe2/0x170 [ 7824.546348][ T1167] inet6_addr_add+0x12f/0xa40 [ 7824.546348][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7824.546348][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7824.546348][ T1167] netlink_rcv_skb+0x130/0x360 [ 7824.546348][ T1167] netlink_unicast+0x449/0x710 [ 7824.546348][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7824.546348][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7824.546348][ T1167] ___sys_sendmsg+0xee/0x170 [ 7824.546348][ T1167] __sys_sendmsg+0xcd/0x170 [ 7824.546348][ T1167] do_syscall_64+0xc6/0x1e0 [ 7824.546348][ T1167] [ 7824.548541][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7824.548541][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7824.548541][ T1167] ipv6_find_idev+0x102/0x170 [ 7824.548541][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7824.548541][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7824.548541][ T1167] netlink_rcv_skb+0x130/0x360 [ 7824.548541][ T1167] netlink_unicast+0x449/0x710 [ 7824.548541][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7824.548541][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7824.548541][ T1167] ___sys_sendmsg+0xee/0x170 [ 7824.548541][ T1167] __sys_sendmsg+0xcd/0x170 [ 7824.548541][ T1167] do_syscall_64+0xc6/0x1e0 [ 7824.548541][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7824.548541][ T1167] [ 7824.550261][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7824.550261][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7824.550261][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7824.550261][ T1167] ipv6_find_idev+0x102/0x170 [ 7824.550261][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7824.550261][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7824.550261][ T1167] netlink_rcv_skb+0x130/0x360 [ 7824.550261][ T1167] netlink_unicast+0x449/0x710 [ 7824.550261][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7824.550261][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7824.550261][ T1167] ___sys_sendmsg+0xee/0x170 [ 7824.550261][ T1167] __sys_sendmsg+0xcd/0x170 [ 7824.550261][ T1167] do_syscall_64+0xc6/0x1e0 [ 7824.550261][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7824.550261][ T1167] [ 7834.129070][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7834.129606][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7834.129606][ T10] netdev_get_by_index+0x5e/0x80 [ 7834.129606][ T10] fib6_nh_init+0x3d8/0x1580 [ 7834.129606][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7834.129606][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7834.129606][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7834.129606][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7834.129606][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7834.129606][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7834.129606][ T10] addrconf_dad_begin+0x310/0x670 [ 7834.129606][ T10] addrconf_dad_work+0x10b/0xab0 [ 7834.129606][ T10] process_one_work+0x84d/0x18a0 [ 7834.129606][ T10] worker_thread+0x587/0xd30 [ 7834.129606][ T10] kthread+0x28a/0x350 [ 7834.129606][ T10] ret_from_fork+0x31/0x70 [ 7834.129606][ T10] ret_from_fork_asm+0x1a/0x30 [ 7834.129606][ T10] [ 7834.132629][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7834.132629][ T10] netdev_get_by_index+0x5e/0x80 [ 7834.132629][ T10] fib6_nh_init+0x3d8/0x1580 [ 7834.132629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7834.132629][ T10] ip6_route_add+0x1c/0x140 [ 7834.132629][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7834.132629][ T10] inet6_addr_add+0x4f8/0xa40 [ 7834.132629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7834.132629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7834.132629][ T10] netlink_rcv_skb+0x130/0x360 [ 7834.132629][ T10] netlink_unicast+0x449/0x710 [ 7834.132629][ T10] netlink_sendmsg+0x723/0xbe0 [ 7834.132629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7834.132629][ T10] ___sys_sendmsg+0xee/0x170 [ 7834.132629][ T10] __sys_sendmsg+0xcd/0x170 [ 7834.132629][ T10] do_syscall_64+0xc6/0x1e0 [ 7834.132629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7834.132629][ T10] [ 7834.135751][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7834.135751][ T10] netdev_get_by_index+0x5e/0x80 [ 7834.135751][ T10] fib6_nh_init+0x3d8/0x1580 [ 7834.135751][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7834.135751][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7834.135751][ T10] ipv6_add_addr+0x411/0x2000 [ 7834.135751][ T10] inet6_addr_add+0x30e/0xa40 [ 7834.135751][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7834.135751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7834.135751][ T10] netlink_rcv_skb+0x130/0x360 [ 7834.135751][ T10] netlink_unicast+0x449/0x710 [ 7834.135751][ T10] netlink_sendmsg+0x723/0xbe0 [ 7834.135751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7834.135751][ T10] ___sys_sendmsg+0xee/0x170 [ 7834.135751][ T10] __sys_sendmsg+0xcd/0x170 [ 7834.135751][ T10] do_syscall_64+0xc6/0x1e0 [ 7834.135751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7834.135751][ T10] [ 7834.138856][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7834.138856][ T10] netdev_get_by_index+0x5e/0x80 [ 7834.138856][ T10] fib6_nh_init+0x3d8/0x1580 [ 7834.138856][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7834.138856][ T10] ip6_route_add+0x1c/0x140 [ 7834.138856][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7834.138856][ T10] addrconf_add_dev+0xe2/0x170 [ 7834.138856][ T10] inet6_addr_add+0x12f/0xa40 [ 7834.138856][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7834.138856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7834.138856][ T10] netlink_rcv_skb+0x130/0x360 [ 7834.138856][ T10] netlink_unicast+0x449/0x710 [ 7834.138856][ T10] netlink_sendmsg+0x723/0xbe0 [ 7834.138856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7834.138856][ T10] ___sys_sendmsg+0xee/0x170 [ 7834.138856][ T10] __sys_sendmsg+0xcd/0x170 [ 7834.138856][ T10] do_syscall_64+0xc6/0x1e0 [ 7834.138856][ T10] [ 7834.141921][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7834.141921][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7834.141921][ T10] ipv6_find_idev+0x102/0x170 [ 7834.141921][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7834.141921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7834.141921][ T10] netlink_rcv_skb+0x130/0x360 [ 7834.141921][ T10] netlink_unicast+0x449/0x710 [ 7834.141921][ T10] netlink_sendmsg+0x723/0xbe0 [ 7834.141921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7834.141921][ T10] ___sys_sendmsg+0xee/0x170 [ 7834.141921][ T10] __sys_sendmsg+0xcd/0x170 [ 7834.141921][ T10] do_syscall_64+0xc6/0x1e0 [ 7834.141921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7834.141921][ T10] [ 7834.144286][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7834.144286][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7834.144286][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7834.144286][ T10] ipv6_find_idev+0x102/0x170 [ 7834.144286][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7834.144286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7834.144286][ T10] netlink_rcv_skb+0x130/0x360 [ 7834.144286][ T10] netlink_unicast+0x449/0x710 [ 7834.144286][ T10] netlink_sendmsg+0x723/0xbe0 [ 7834.144286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7834.144286][ T10] ___sys_sendmsg+0xee/0x170 [ 7834.144286][ T10] __sys_sendmsg+0xcd/0x170 [ 7834.144286][ T10] do_syscall_64+0xc6/0x1e0 [ 7834.144286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7834.144286][ T10] [ 7834.146903][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7834.147286][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7834.147286][ T10] netdev_get_by_index+0x5e/0x80 [ 7834.147286][ T10] fib6_nh_init+0x3d8/0x1580 [ 7834.147286][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7834.147286][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7834.147286][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7834.147286][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7834.147286][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7834.147286][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7834.147286][ T10] addrconf_dad_begin+0x310/0x670 [ 7834.147286][ T10] addrconf_dad_work+0x10b/0xab0 [ 7834.147286][ T10] process_one_work+0x84d/0x18a0 [ 7834.147286][ T10] worker_thread+0x587/0xd30 [ 7834.147286][ T10] kthread+0x28a/0x350 [ 7834.147286][ T10] ret_from_fork+0x31/0x70 [ 7834.147286][ T10] ret_from_fork_asm+0x1a/0x30 [ 7834.147286][ T10] [ 7834.150166][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7834.150166][ T10] netdev_get_by_index+0x5e/0x80 [ 7834.150166][ T10] fib6_nh_init+0x3d8/0x1580 [ 7834.150166][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7834.150166][ T10] ip6_route_add+0x1c/0x140 [ 7834.150166][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7834.150166][ T10] inet6_addr_add+0x4f8/0xa40 [ 7834.150166][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7834.150166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7834.150166][ T10] netlink_rcv_skb+0x130/0x360 [ 7834.150166][ T10] netlink_unicast+0x449/0x710 [ 7834.150166][ T10] netlink_sendmsg+0x723/0xbe0 [ 7834.150166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7834.150166][ T10] ___sys_sendmsg+0xee/0x170 [ 7834.150166][ T10] __sys_sendmsg+0xcd/0x170 [ 7834.150166][ T10] do_syscall_64+0xc6/0x1e0 [ 7834.150166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7834.150166][ T10] [ 7834.153327][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7834.153327][ T10] netdev_get_by_index+0x5e/0x80 [ 7834.153327][ T10] fib6_nh_init+0x3d8/0x1580 [ 7834.153327][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7834.153327][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7834.153327][ T10] ipv6_add_addr+0x411/0x2000 [ 7834.153327][ T10] inet6_addr_add+0x30e/0xa40 [ 7834.153327][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7834.153327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7834.153327][ T10] netlink_rcv_skb+0x130/0x360 [ 7834.153327][ T10] netlink_unicast+0x449/0x710 [ 7834.153327][ T10] netlink_sendmsg+0x723/0xbe0 [ 7834.153327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7834.153327][ T10] ___sys_sendmsg+0xee/0x170 [ 7834.153327][ T10] __sys_sendmsg+0xcd/0x170 [ 7834.153327][ T10] do_syscall_64+0xc6/0x1e0 [ 7834.153327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7834.153327][ T10] [ 7834.156493][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7834.156493][ T10] netdev_get_by_index+0x5e/0x80 [ 7834.156493][ T10] fib6_nh_init+0x3d8/0x1580 [ 7834.156493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7834.156493][ T10] ip6_route_add+0x1c/0x140 [ 7834.156493][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7834.156493][ T10] addrconf_add_dev+0xe2/0x170 [ 7834.156493][ T10] inet6_addr_add+0x12f/0xa40 [ 7834.156493][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7834.156493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7834.156493][ T10] netlink_rcv_skb+0x130/0x360 [ 7834.156493][ T10] netlink_unicast+0x449/0x710 [ 7834.156493][ T10] netlink_sendmsg+0x723/0xbe0 [ 7834.156493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7834.156493][ T10] ___sys_sendmsg+0xee/0x170 [ 7834.156493][ T10] __sys_sendmsg+0xcd/0x170 [ 7834.156493][ T10] do_syscall_64+0xc6/0x1e0 [ 7834.156493][ T10] [ 7834.159592][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7834.159592][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7834.159592][ T10] ipv6_find_idev+0x102/0x170 [ 7834.159592][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7834.159592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7834.159592][ T10] netlink_rcv_skb+0x130/0x360 [ 7834.159592][ T10] netlink_unicast+0x449/0x710 [ 7834.159592][ T10] netlink_sendmsg+0x723/0xbe0 [ 7834.159592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7834.159592][ T10] ___sys_sendmsg+0xee/0x170 [ 7834.159592][ T10] __sys_sendmsg+0xcd/0x170 [ 7834.159592][ T10] do_syscall_64+0xc6/0x1e0 [ 7834.159592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7834.159592][ T10] [ 7834.161846][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7834.161846][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7834.161846][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7834.161846][ T10] ipv6_find_idev+0x102/0x170 [ 7834.161846][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7834.161846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7834.161846][ T10] netlink_rcv_skb+0x130/0x360 [ 7834.161846][ T10] netlink_unicast+0x449/0x710 [ 7834.161846][ T10] netlink_sendmsg+0x723/0xbe0 [ 7834.161846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7834.161846][ T10] ___sys_sendmsg+0xee/0x170 [ 7834.161846][ T10] __sys_sendmsg+0xcd/0x170 [ 7834.161846][ T10] do_syscall_64+0xc6/0x1e0 [ 7834.161846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7834.161846][ T10] [ 7834.163576][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7834.163823][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7834.163823][ T10] netdev_get_by_index+0x5e/0x80 [ 7834.163823][ T10] fib6_nh_init+0x3d8/0x1580 [ 7834.163823][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7834.163823][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7834.163823][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7834.163823][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7834.163823][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7834.163823][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7834.163823][ T10] addrconf_dad_begin+0x310/0x670 [ 7834.163823][ T10] addrconf_dad_work+0x10b/0xab0 [ 7834.163823][ T10] process_one_work+0x84d/0x18a0 [ 7834.163823][ T10] worker_thread+0x587/0xd30 [ 7834.163823][ T10] kthread+0x28a/0x350 [ 7834.163823][ T10] ret_from_fork+0x31/0x70 [ 7834.163823][ T10] ret_from_fork_asm+0x1a/0x30 [ 7834.163823][ T10] [ 7834.166297][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7834.166297][ T10] netdev_get_by_index+0x5e/0x80 [ 7834.166297][ T10] fib6_nh_init+0x3d8/0x1580 [ 7834.166297][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7834.166297][ T10] ip6_route_add+0x1c/0x140 [ 7834.166297][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7834.166297][ T10] inet6_addr_add+0x4f8/0xa40 [ 7834.166297][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7834.166297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7834.166297][ T10] netlink_rcv_skb+0x130/0x360 [ 7834.166297][ T10] netlink_unicast+0x449/0x710 [ 7834.166297][ T10] netlink_sendmsg+0x723/0xbe0 [ 7834.166297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7834.166297][ T10] ___sys_sendmsg+0xee/0x170 [ 7834.166297][ T10] __sys_sendmsg+0xcd/0x170 [ 7834.166297][ T10] do_syscall_64+0xc6/0x1e0 [ 7834.166297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7834.166297][ T10] [ 7834.169769][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7834.169769][ T10] netdev_get_by_index+0x5e/0x80 [ 7834.169769][ T10] fib6_nh_init+0x3d8/0x1580 [ 7834.169769][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7834.169769][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7834.169769][ T10] ipv6_add_addr+0x411/0x2000 [ 7834.169769][ T10] inet6_addr_add+0x30e/0xa40 [ 7834.169769][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7834.169769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7834.169769][ T10] netlink_rcv_skb+0x130/0x360 [ 7834.169769][ T10] netlink_unicast+0x449/0x710 [ 7834.169769][ T10] netlink_sendmsg+0x723/0xbe0 [ 7834.169769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7834.169769][ T10] ___sys_sendmsg+0xee/0x170 [ 7834.169769][ T10] __sys_sendmsg+0xcd/0x170 [ 7834.169769][ T10] do_syscall_64+0xc6/0x1e0 [ 7834.169769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7834.169769][ T10] [ 7834.173401][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7834.173401][ T10] netdev_get_by_index+0x5e/0x80 [ 7834.173401][ T10] fib6_nh_init+0x3d8/0x1580 [ 7834.173401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7834.173401][ T10] ip6_route_add+0x1c/0x140 [ 7834.173401][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7834.173401][ T10] addrconf_add_dev+0xe2/0x170 [ 7834.173401][ T10] inet6_addr_add+0x12f/0xa40 [ 7834.173401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7834.173401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7834.173401][ T10] netlink_rcv_skb+0x130/0x360 [ 7834.173401][ T10] netlink_unicast+0x449/0x710 [ 7834.173401][ T10] netlink_sendmsg+0x723/0xbe0 [ 7834.173401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7834.173401][ T10] ___sys_sendmsg+0xee/0x170 [ 7834.173401][ T10] __sys_sendmsg+0xcd/0x170 [ 7834.173401][ T10] do_syscall_64+0xc6/0x1e0 [ 7834.173401][ T10] [ 7834.176766][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7834.176766][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7834.176766][ T10] ipv6_find_idev+0x102/0x170 [ 7834.176766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7834.176766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7834.176766][ T10] netlink_rcv_skb+0x130/0x360 [ 7834.176766][ T10] netlink_unicast+0x449/0x710 [ 7834.176766][ T10] netlink_sendmsg+0x723/0xbe0 [ 7834.176766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7834.176766][ T10] ___sys_sendmsg+0xee/0x170 [ 7834.176766][ T10] __sys_sendmsg+0xcd/0x170 [ 7834.176766][ T10] do_syscall_64+0xc6/0x1e0 [ 7834.176766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7834.176766][ T10] [ 7834.179556][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7834.179556][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7834.179556][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7834.179556][ T10] ipv6_find_idev+0x102/0x170 [ 7834.179556][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7834.179556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7834.179556][ T10] netlink_rcv_skb+0x130/0x360 [ 7834.179556][ T10] netlink_unicast+0x449/0x710 [ 7834.179556][ T10] netlink_sendmsg+0x723/0xbe0 [ 7834.179556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7834.179556][ T10] ___sys_sendmsg+0xee/0x170 [ 7834.179556][ T10] __sys_sendmsg+0xcd/0x170 [ 7834.179556][ T10] do_syscall_64+0xc6/0x1e0 [ 7834.179556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7834.179556][ T10] [ 7834.182769][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7834.183962][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7834.183962][ T10] netdev_get_by_index+0x5e/0x80 [ 7834.183962][ T10] fib6_nh_init+0x3d8/0x1580 [ 7834.183962][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7834.183962][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7834.183962][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7834.183962][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7834.183962][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7834.183962][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7834.183962][ T10] addrconf_dad_begin+0x310/0x670 [ 7834.183962][ T10] addrconf_dad_work+0x10b/0xab0 [ 7834.183962][ T10] process_one_work+0x84d/0x18a0 [ 7834.183962][ T10] worker_thread+0x587/0xd30 [ 7834.183962][ T10] kthread+0x28a/0x350 [ 7834.183962][ T10] ret_from_fork+0x31/0x70 [ 7834.183962][ T10] ret_from_fork_asm+0x1a/0x30 [ 7834.183962][ T10] [ 7834.186989][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7834.186989][ T10] netdev_get_by_index+0x5e/0x80 [ 7834.186989][ T10] fib6_nh_init+0x3d8/0x1580 [ 7834.186989][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7834.186989][ T10] ip6_route_add+0x1c/0x140 [ 7834.186989][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7834.186989][ T10] inet6_addr_add+0x4f8/0xa40 [ 7834.186989][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7834.186989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7834.186989][ T10] netlink_rcv_skb+0x130/0x360 [ 7834.186989][ T10] netlink_unicast+0x449/0x710 [ 7834.186989][ T10] netlink_sendmsg+0x723/0xbe0 [ 7834.186989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7834.186989][ T10] ___sys_sendmsg+0xee/0x170 [ 7834.186989][ T10] __sys_sendmsg+0xcd/0x170 [ 7834.186989][ T10] do_syscall_64+0xc6/0x1e0 [ 7834.186989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7834.186989][ T10] [ 7834.190325][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7834.190325][ T10] netdev_get_by_index+0x5e/0x80 [ 7834.190325][ T10] fib6_nh_init+0x3d8/0x1580 [ 7834.190325][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7834.190325][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7834.190325][ T10] ipv6_add_addr+0x411/0x2000 [ 7834.190325][ T10] inet6_addr_add+0x30e/0xa40 [ 7834.190325][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7834.190325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7834.190325][ T10] netlink_rcv_skb+0x130/0x360 [ 7834.190325][ T10] netlink_unicast+0x449/0x710 [ 7834.190325][ T10] netlink_sendmsg+0x723/0xbe0 [ 7834.190325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7834.190325][ T10] ___sys_sendmsg+0xee/0x170 [ 7834.190325][ T10] __sys_sendmsg+0xcd/0x170 [ 7834.190325][ T10] do_syscall_64+0xc6/0x1e0 [ 7834.190325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7834.190325][ T10] [ 7834.193689][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7834.193689][ T10] netdev_get_by_index+0x5e/0x80 [ 7834.193689][ T10] fib6_nh_init+0x3d8/0x1580 [ 7834.193689][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7834.193689][ T10] ip6_route_add+0x1c/0x140 [ 7834.193689][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7834.193689][ T10] addrconf_add_dev+0xe2/0x170 [ 7834.193689][ T10] inet6_addr_add+0x12f/0xa40 [ 7834.193689][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7834.193689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7834.193689][ T10] netlink_rcv_skb+0x130/0x360 [ 7834.193689][ T10] netlink_unicast+0x449/0x710 [ 7834.193689][ T10] netlink_sendmsg+0x723/0xbe0 [ 7834.193689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7834.193689][ T10] ___sys_sendmsg+0xee/0x170 [ 7834.193689][ T10] __sys_sendmsg+0xcd/0x170 [ 7834.193689][ T10] do_syscall_64+0xc6/0x1e0 [ 7834.193689][ T10] [ 7834.197068][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7834.197068][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7834.197068][ T10] ipv6_find_idev+0x102/0x170 [ 7834.197068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7834.197068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7834.197068][ T10] netlink_rcv_skb+0x130/0x360 [ 7834.197068][ T10] netlink_unicast+0x449/0x710 [ 7834.197068][ T10] netlink_sendmsg+0x723/0xbe0 [ 7834.197068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7834.197068][ T10] ___sys_sendmsg+0xee/0x170 [ 7834.197068][ T10] __sys_sendmsg+0xcd/0x170 [ 7834.197068][ T10] do_syscall_64+0xc6/0x1e0 [ 7834.197068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7834.197068][ T10] [ 7834.199227][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7834.199227][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7834.199227][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7834.199227][ T10] ipv6_find_idev+0x102/0x170 [ 7834.199227][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7834.199227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7834.199227][ T10] netlink_rcv_skb+0x130/0x360 [ 7834.199227][ T10] netlink_unicast+0x449/0x710 [ 7834.199227][ T10] netlink_sendmsg+0x723/0xbe0 [ 7834.199227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7834.199227][ T10] ___sys_sendmsg+0xee/0x170 [ 7834.199227][ T10] __sys_sendmsg+0xcd/0x170 [ 7834.199227][ T10] do_syscall_64+0xc6/0x1e0 [ 7834.199227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7834.199227][ T10] [ 7834.793107][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7834.793530][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7834.793530][ T1167] dst_init+0x84/0x4a0 [ 7834.793530][ T1167] dst_alloc+0x97/0x150 [ 7834.793530][ T1167] ip6_dst_alloc+0x23/0x90 [ 7834.793530][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7834.793530][ T1167] ip6_pol_route+0x56f/0x840 [ 7834.793530][ T1167] fib6_rule_lookup+0x334/0x630 [ 7834.793530][ T1167] ip6_route_output_flags+0x259/0x480 [ 7834.793530][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7834.793530][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7834.793530][ T1167] netlink_rcv_skb+0x130/0x360 [ 7834.793530][ T1167] netlink_unicast+0x449/0x710 [ 7834.793530][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7834.793530][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7834.793530][ T1167] ___sys_sendmsg+0xee/0x170 [ 7834.793530][ T1167] __sys_sendmsg+0xcd/0x170 [ 7834.793530][ T1167] do_syscall_64+0xc6/0x1e0 [ 7834.793530][ T1167] [ 7834.795749][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7834.795749][ T1167] netdev_get_by_index+0x5e/0x80 [ 7834.795749][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7834.795749][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7834.795749][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7834.795749][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7834.795749][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7834.795749][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7834.795749][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7834.795749][ T1167] addrconf_dad_begin+0x310/0x670 [ 7834.795749][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7834.795749][ T1167] process_one_work+0x84d/0x18a0 [ 7834.795749][ T1167] worker_thread+0x587/0xd30 [ 7834.795749][ T1167] kthread+0x28a/0x350 [ 7834.795749][ T1167] ret_from_fork+0x31/0x70 [ 7834.795749][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7834.795749][ T1167] [ 7834.797917][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7834.797917][ T1167] netdev_get_by_index+0x5e/0x80 [ 7834.797917][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7834.797917][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7834.797917][ T1167] ip6_route_add+0x1c/0x140 [ 7834.797917][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7834.797917][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7834.797917][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7834.797917][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7834.797917][ T1167] netlink_rcv_skb+0x130/0x360 [ 7834.797917][ T1167] netlink_unicast+0x449/0x710 [ 7834.797917][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7834.797917][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7834.797917][ T1167] ___sys_sendmsg+0xee/0x170 [ 7834.797917][ T1167] __sys_sendmsg+0xcd/0x170 [ 7834.797917][ T1167] do_syscall_64+0xc6/0x1e0 [ 7834.797917][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7834.797917][ T1167] [ 7834.800157][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7834.800157][ T1167] netdev_get_by_index+0x5e/0x80 [ 7834.800157][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7834.800157][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7834.800157][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7834.800157][ T1167] ipv6_add_addr+0x411/0x2000 [ 7834.800157][ T1167] inet6_addr_add+0x30e/0xa40 [ 7834.800157][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7834.800157][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7834.800157][ T1167] netlink_rcv_skb+0x130/0x360 [ 7834.800157][ T1167] netlink_unicast+0x449/0x710 [ 7834.800157][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7834.800157][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7834.800157][ T1167] ___sys_sendmsg+0xee/0x170 [ 7834.800157][ T1167] __sys_sendmsg+0xcd/0x170 [ 7834.800157][ T1167] do_syscall_64+0xc6/0x1e0 [ 7834.800157][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7834.800157][ T1167] [ 7834.802399][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7834.802399][ T1167] netdev_get_by_index+0x5e/0x80 [ 7834.802399][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7834.802399][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7834.802399][ T1167] ip6_route_add+0x1c/0x140 [ 7834.802399][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7834.802399][ T1167] addrconf_add_dev+0xe2/0x170 [ 7834.802399][ T1167] inet6_addr_add+0x12f/0xa40 [ 7834.802399][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7834.802399][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7834.802399][ T1167] netlink_rcv_skb+0x130/0x360 [ 7834.802399][ T1167] netlink_unicast+0x449/0x710 [ 7834.802399][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7834.802399][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7834.802399][ T1167] ___sys_sendmsg+0xee/0x170 [ 7834.802399][ T1167] __sys_sendmsg+0xcd/0x170 [ 7834.802399][ T1167] do_syscall_64+0xc6/0x1e0 [ 7834.802399][ T1167] [ 7834.804599][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7834.804599][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7834.804599][ T1167] ipv6_find_idev+0x102/0x170 [ 7834.804599][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7834.804599][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7834.804599][ T1167] netlink_rcv_skb+0x130/0x360 [ 7834.804599][ T1167] netlink_unicast+0x449/0x710 [ 7834.804599][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7834.804599][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7834.804599][ T1167] ___sys_sendmsg+0xee/0x170 [ 7834.804599][ T1167] __sys_sendmsg+0xcd/0x170 [ 7834.804599][ T1167] do_syscall_64+0xc6/0x1e0 [ 7834.804599][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7834.804599][ T1167] [ 7834.806309][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7834.806309][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7834.806309][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7834.806309][ T1167] ipv6_find_idev+0x102/0x170 [ 7834.806309][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7834.806309][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7834.806309][ T1167] netlink_rcv_skb+0x130/0x360 [ 7834.806309][ T1167] netlink_unicast+0x449/0x710 [ 7834.806309][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7834.806309][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7834.806309][ T1167] ___sys_sendmsg+0xee/0x170 [ 7834.806309][ T1167] __sys_sendmsg+0xcd/0x170 [ 7834.806309][ T1167] do_syscall_64+0xc6/0x1e0 [ 7834.806309][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7834.806309][ T1167] [ 7844.233029][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7844.233393][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7844.233393][ T10] netdev_get_by_index+0x5e/0x80 [ 7844.233393][ T10] fib6_nh_init+0x3d8/0x1580 [ 7844.233393][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7844.233393][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7844.233393][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7844.233393][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7844.233393][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7844.233393][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7844.233393][ T10] addrconf_dad_begin+0x310/0x670 [ 7844.233393][ T10] addrconf_dad_work+0x10b/0xab0 [ 7844.233393][ T10] process_one_work+0x84d/0x18a0 [ 7844.233393][ T10] worker_thread+0x587/0xd30 [ 7844.233393][ T10] kthread+0x28a/0x350 [ 7844.233393][ T10] ret_from_fork+0x31/0x70 [ 7844.233393][ T10] ret_from_fork_asm+0x1a/0x30 [ 7844.233393][ T10] [ 7844.235344][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7844.235344][ T10] netdev_get_by_index+0x5e/0x80 [ 7844.235344][ T10] fib6_nh_init+0x3d8/0x1580 [ 7844.235344][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7844.235344][ T10] ip6_route_add+0x1c/0x140 [ 7844.235344][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7844.235344][ T10] inet6_addr_add+0x4f8/0xa40 [ 7844.235344][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7844.235344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7844.235344][ T10] netlink_rcv_skb+0x130/0x360 [ 7844.235344][ T10] netlink_unicast+0x449/0x710 [ 7844.235344][ T10] netlink_sendmsg+0x723/0xbe0 [ 7844.235344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7844.235344][ T10] ___sys_sendmsg+0xee/0x170 [ 7844.235344][ T10] __sys_sendmsg+0xcd/0x170 [ 7844.235344][ T10] do_syscall_64+0xc6/0x1e0 [ 7844.235344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7844.235344][ T10] [ 7844.237350][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7844.237350][ T10] netdev_get_by_index+0x5e/0x80 [ 7844.237350][ T10] fib6_nh_init+0x3d8/0x1580 [ 7844.237350][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7844.237350][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7844.237350][ T10] ipv6_add_addr+0x411/0x2000 [ 7844.237350][ T10] inet6_addr_add+0x30e/0xa40 [ 7844.237350][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7844.237350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7844.237350][ T10] netlink_rcv_skb+0x130/0x360 [ 7844.237350][ T10] netlink_unicast+0x449/0x710 [ 7844.237350][ T10] netlink_sendmsg+0x723/0xbe0 [ 7844.237350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7844.237350][ T10] ___sys_sendmsg+0xee/0x170 [ 7844.237350][ T10] __sys_sendmsg+0xcd/0x170 [ 7844.237350][ T10] do_syscall_64+0xc6/0x1e0 [ 7844.237350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7844.237350][ T10] [ 7844.239399][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7844.239399][ T10] netdev_get_by_index+0x5e/0x80 [ 7844.239399][ T10] fib6_nh_init+0x3d8/0x1580 [ 7844.239399][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7844.239399][ T10] ip6_route_add+0x1c/0x140 [ 7844.239399][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7844.239399][ T10] addrconf_add_dev+0xe2/0x170 [ 7844.239399][ T10] inet6_addr_add+0x12f/0xa40 [ 7844.239399][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7844.239399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7844.239399][ T10] netlink_rcv_skb+0x130/0x360 [ 7844.239399][ T10] netlink_unicast+0x449/0x710 [ 7844.239399][ T10] netlink_sendmsg+0x723/0xbe0 [ 7844.239399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7844.239399][ T10] ___sys_sendmsg+0xee/0x170 [ 7844.239399][ T10] __sys_sendmsg+0xcd/0x170 [ 7844.239399][ T10] do_syscall_64+0xc6/0x1e0 [ 7844.239399][ T10] [ 7844.241398][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7844.241398][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7844.241398][ T10] ipv6_find_idev+0x102/0x170 [ 7844.241398][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7844.241398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7844.241398][ T10] netlink_rcv_skb+0x130/0x360 [ 7844.241398][ T10] netlink_unicast+0x449/0x710 [ 7844.241398][ T10] netlink_sendmsg+0x723/0xbe0 [ 7844.241398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7844.241398][ T10] ___sys_sendmsg+0xee/0x170 [ 7844.241398][ T10] __sys_sendmsg+0xcd/0x170 [ 7844.241398][ T10] do_syscall_64+0xc6/0x1e0 [ 7844.241398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7844.241398][ T10] [ 7844.242942][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7844.242942][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7844.242942][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7844.242942][ T10] ipv6_find_idev+0x102/0x170 [ 7844.242942][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7844.242942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7844.242942][ T10] netlink_rcv_skb+0x130/0x360 [ 7844.242942][ T10] netlink_unicast+0x449/0x710 [ 7844.242942][ T10] netlink_sendmsg+0x723/0xbe0 [ 7844.242942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7844.242942][ T10] ___sys_sendmsg+0xee/0x170 [ 7844.242942][ T10] __sys_sendmsg+0xcd/0x170 [ 7844.242942][ T10] do_syscall_64+0xc6/0x1e0 [ 7844.242942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7844.242942][ T10] [ 7844.244646][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7844.244895][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7844.244895][ T10] netdev_get_by_index+0x5e/0x80 [ 7844.244895][ T10] fib6_nh_init+0x3d8/0x1580 [ 7844.244895][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7844.244895][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7844.244895][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7844.244895][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7844.244895][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7844.244895][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7844.244895][ T10] addrconf_dad_begin+0x310/0x670 [ 7844.244895][ T10] addrconf_dad_work+0x10b/0xab0 [ 7844.244895][ T10] process_one_work+0x84d/0x18a0 [ 7844.244895][ T10] worker_thread+0x587/0xd30 [ 7844.244895][ T10] kthread+0x28a/0x350 [ 7844.244895][ T10] ret_from_fork+0x31/0x70 [ 7844.244895][ T10] ret_from_fork_asm+0x1a/0x30 [ 7844.244895][ T10] [ 7844.246806][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7844.246806][ T10] netdev_get_by_index+0x5e/0x80 [ 7844.246806][ T10] fib6_nh_init+0x3d8/0x1580 [ 7844.246806][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7844.246806][ T10] ip6_route_add+0x1c/0x140 [ 7844.246806][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7844.246806][ T10] inet6_addr_add+0x4f8/0xa40 [ 7844.246806][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7844.246806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7844.246806][ T10] netlink_rcv_skb+0x130/0x360 [ 7844.246806][ T10] netlink_unicast+0x449/0x710 [ 7844.246806][ T10] netlink_sendmsg+0x723/0xbe0 [ 7844.246806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7844.246806][ T10] ___sys_sendmsg+0xee/0x170 [ 7844.246806][ T10] __sys_sendmsg+0xcd/0x170 [ 7844.246806][ T10] do_syscall_64+0xc6/0x1e0 [ 7844.246806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7844.246806][ T10] [ 7844.248808][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7844.248808][ T10] netdev_get_by_index+0x5e/0x80 [ 7844.248808][ T10] fib6_nh_init+0x3d8/0x1580 [ 7844.248808][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7844.248808][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7844.248808][ T10] ipv6_add_addr+0x411/0x2000 [ 7844.248808][ T10] inet6_addr_add+0x30e/0xa40 [ 7844.248808][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7844.248808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7844.248808][ T10] netlink_rcv_skb+0x130/0x360 [ 7844.248808][ T10] netlink_unicast+0x449/0x710 [ 7844.248808][ T10] netlink_sendmsg+0x723/0xbe0 [ 7844.248808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7844.248808][ T10] ___sys_sendmsg+0xee/0x170 [ 7844.248808][ T10] __sys_sendmsg+0xcd/0x170 [ 7844.248808][ T10] do_syscall_64+0xc6/0x1e0 [ 7844.248808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7844.248808][ T10] [ 7844.250817][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7844.250817][ T10] netdev_get_by_index+0x5e/0x80 [ 7844.250817][ T10] fib6_nh_init+0x3d8/0x1580 [ 7844.250817][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7844.250817][ T10] ip6_route_add+0x1c/0x140 [ 7844.250817][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7844.250817][ T10] addrconf_add_dev+0xe2/0x170 [ 7844.250817][ T10] inet6_addr_add+0x12f/0xa40 [ 7844.250817][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7844.250817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7844.250817][ T10] netlink_rcv_skb+0x130/0x360 [ 7844.250817][ T10] netlink_unicast+0x449/0x710 [ 7844.250817][ T10] netlink_sendmsg+0x723/0xbe0 [ 7844.250817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7844.250817][ T10] ___sys_sendmsg+0xee/0x170 [ 7844.250817][ T10] __sys_sendmsg+0xcd/0x170 [ 7844.250817][ T10] do_syscall_64+0xc6/0x1e0 [ 7844.250817][ T10] [ 7844.252791][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7844.252791][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7844.252791][ T10] ipv6_find_idev+0x102/0x170 [ 7844.252791][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7844.252791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7844.252791][ T10] netlink_rcv_skb+0x130/0x360 [ 7844.252791][ T10] netlink_unicast+0x449/0x710 [ 7844.252791][ T10] netlink_sendmsg+0x723/0xbe0 [ 7844.252791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7844.252791][ T10] ___sys_sendmsg+0xee/0x170 [ 7844.252791][ T10] __sys_sendmsg+0xcd/0x170 [ 7844.252791][ T10] do_syscall_64+0xc6/0x1e0 [ 7844.252791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7844.252791][ T10] [ 7844.254337][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7844.254337][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7844.254337][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7844.254337][ T10] ipv6_find_idev+0x102/0x170 [ 7844.254337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7844.254337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7844.254337][ T10] netlink_rcv_skb+0x130/0x360 [ 7844.254337][ T10] netlink_unicast+0x449/0x710 [ 7844.254337][ T10] netlink_sendmsg+0x723/0xbe0 [ 7844.254337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7844.254337][ T10] ___sys_sendmsg+0xee/0x170 [ 7844.254337][ T10] __sys_sendmsg+0xcd/0x170 [ 7844.254337][ T10] do_syscall_64+0xc6/0x1e0 [ 7844.254337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7844.254337][ T10] [ 7844.256031][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7844.256280][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7844.256280][ T10] netdev_get_by_index+0x5e/0x80 [ 7844.256280][ T10] fib6_nh_init+0x3d8/0x1580 [ 7844.256280][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7844.256280][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7844.256280][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7844.256280][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7844.256280][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7844.256280][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7844.256280][ T10] addrconf_dad_begin+0x310/0x670 [ 7844.256280][ T10] addrconf_dad_work+0x10b/0xab0 [ 7844.256280][ T10] process_one_work+0x84d/0x18a0 [ 7844.256280][ T10] worker_thread+0x587/0xd30 [ 7844.256280][ T10] kthread+0x28a/0x350 [ 7844.256280][ T10] ret_from_fork+0x31/0x70 [ 7844.256280][ T10] ret_from_fork_asm+0x1a/0x30 [ 7844.256280][ T10] [ 7844.258198][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7844.258198][ T10] netdev_get_by_index+0x5e/0x80 [ 7844.258198][ T10] fib6_nh_init+0x3d8/0x1580 [ 7844.258198][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7844.258198][ T10] ip6_route_add+0x1c/0x140 [ 7844.258198][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7844.258198][ T10] inet6_addr_add+0x4f8/0xa40 [ 7844.258198][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7844.258198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7844.258198][ T10] netlink_rcv_skb+0x130/0x360 [ 7844.258198][ T10] netlink_unicast+0x449/0x710 [ 7844.258198][ T10] netlink_sendmsg+0x723/0xbe0 [ 7844.258198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7844.258198][ T10] ___sys_sendmsg+0xee/0x170 [ 7844.258198][ T10] __sys_sendmsg+0xcd/0x170 [ 7844.258198][ T10] do_syscall_64+0xc6/0x1e0 [ 7844.258198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7844.258198][ T10] [ 7844.260383][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7844.260383][ T10] netdev_get_by_index+0x5e/0x80 [ 7844.260383][ T10] fib6_nh_init+0x3d8/0x1580 [ 7844.260383][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7844.260383][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7844.260383][ T10] ipv6_add_addr+0x411/0x2000 [ 7844.260383][ T10] inet6_addr_add+0x30e/0xa40 [ 7844.260383][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7844.260383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7844.260383][ T10] netlink_rcv_skb+0x130/0x360 [ 7844.260383][ T10] netlink_unicast+0x449/0x710 [ 7844.260383][ T10] netlink_sendmsg+0x723/0xbe0 [ 7844.260383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7844.260383][ T10] ___sys_sendmsg+0xee/0x170 [ 7844.260383][ T10] __sys_sendmsg+0xcd/0x170 [ 7844.260383][ T10] do_syscall_64+0xc6/0x1e0 [ 7844.260383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7844.260383][ T10] [ 7844.262688][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7844.262688][ T10] netdev_get_by_index+0x5e/0x80 [ 7844.262688][ T10] fib6_nh_init+0x3d8/0x1580 [ 7844.262688][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7844.262688][ T10] ip6_route_add+0x1c/0x140 [ 7844.262688][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7844.262688][ T10] addrconf_add_dev+0xe2/0x170 [ 7844.262688][ T10] inet6_addr_add+0x12f/0xa40 [ 7844.262688][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7844.262688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7844.262688][ T10] netlink_rcv_skb+0x130/0x360 [ 7844.262688][ T10] netlink_unicast+0x449/0x710 [ 7844.262688][ T10] netlink_sendmsg+0x723/0xbe0 [ 7844.262688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7844.262688][ T10] ___sys_sendmsg+0xee/0x170 [ 7844.262688][ T10] __sys_sendmsg+0xcd/0x170 [ 7844.262688][ T10] do_syscall_64+0xc6/0x1e0 [ 7844.262688][ T10] [ 7844.264880][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7844.264880][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7844.264880][ T10] ipv6_find_idev+0x102/0x170 [ 7844.264880][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7844.264880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7844.264880][ T10] netlink_rcv_skb+0x130/0x360 [ 7844.264880][ T10] netlink_unicast+0x449/0x710 [ 7844.264880][ T10] netlink_sendmsg+0x723/0xbe0 [ 7844.264880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7844.264880][ T10] ___sys_sendmsg+0xee/0x170 [ 7844.264880][ T10] __sys_sendmsg+0xcd/0x170 [ 7844.264880][ T10] do_syscall_64+0xc6/0x1e0 [ 7844.264880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7844.264880][ T10] [ 7844.266598][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7844.266598][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7844.266598][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7844.266598][ T10] ipv6_find_idev+0x102/0x170 [ 7844.266598][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7844.266598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7844.266598][ T10] netlink_rcv_skb+0x130/0x360 [ 7844.266598][ T10] netlink_unicast+0x449/0x710 [ 7844.266598][ T10] netlink_sendmsg+0x723/0xbe0 [ 7844.266598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7844.266598][ T10] ___sys_sendmsg+0xee/0x170 [ 7844.266598][ T10] __sys_sendmsg+0xcd/0x170 [ 7844.266598][ T10] do_syscall_64+0xc6/0x1e0 [ 7844.266598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7844.266598][ T10] [ 7844.268519][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7844.268758][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7844.268758][ T10] netdev_get_by_index+0x5e/0x80 [ 7844.268758][ T10] fib6_nh_init+0x3d8/0x1580 [ 7844.268758][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7844.268758][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7844.268758][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7844.268758][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7844.268758][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7844.268758][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7844.268758][ T10] addrconf_dad_begin+0x310/0x670 [ 7844.268758][ T10] addrconf_dad_work+0x10b/0xab0 [ 7844.268758][ T10] process_one_work+0x84d/0x18a0 [ 7844.268758][ T10] worker_thread+0x587/0xd30 [ 7844.268758][ T10] kthread+0x28a/0x350 [ 7844.268758][ T10] ret_from_fork+0x31/0x70 [ 7844.268758][ T10] ret_from_fork_asm+0x1a/0x30 [ 7844.268758][ T10] [ 7844.270973][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7844.270973][ T10] netdev_get_by_index+0x5e/0x80 [ 7844.270973][ T10] fib6_nh_init+0x3d8/0x1580 [ 7844.270973][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7844.270973][ T10] ip6_route_add+0x1c/0x140 [ 7844.270973][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7844.270973][ T10] inet6_addr_add+0x4f8/0xa40 [ 7844.270973][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7844.270973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7844.270973][ T10] netlink_rcv_skb+0x130/0x360 [ 7844.270973][ T10] netlink_unicast+0x449/0x710 [ 7844.270973][ T10] netlink_sendmsg+0x723/0xbe0 [ 7844.270973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7844.270973][ T10] ___sys_sendmsg+0xee/0x170 [ 7844.270973][ T10] __sys_sendmsg+0xcd/0x170 [ 7844.270973][ T10] do_syscall_64+0xc6/0x1e0 [ 7844.270973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7844.270973][ T10] [ 7844.273164][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7844.273164][ T10] netdev_get_by_index+0x5e/0x80 [ 7844.273164][ T10] fib6_nh_init+0x3d8/0x1580 [ 7844.273164][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7844.273164][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7844.273164][ T10] ipv6_add_addr+0x411/0x2000 [ 7844.273164][ T10] inet6_addr_add+0x30e/0xa40 [ 7844.273164][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7844.273164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7844.273164][ T10] netlink_rcv_skb+0x130/0x360 [ 7844.273164][ T10] netlink_unicast+0x449/0x710 [ 7844.273164][ T10] netlink_sendmsg+0x723/0xbe0 [ 7844.273164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7844.273164][ T10] ___sys_sendmsg+0xee/0x170 [ 7844.273164][ T10] __sys_sendmsg+0xcd/0x170 [ 7844.273164][ T10] do_syscall_64+0xc6/0x1e0 [ 7844.273164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7844.273164][ T10] [ 7844.275399][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7844.275399][ T10] netdev_get_by_index+0x5e/0x80 [ 7844.275399][ T10] fib6_nh_init+0x3d8/0x1580 [ 7844.275399][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7844.275399][ T10] ip6_route_add+0x1c/0x140 [ 7844.275399][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7844.275399][ T10] addrconf_add_dev+0xe2/0x170 [ 7844.275399][ T10] inet6_addr_add+0x12f/0xa40 [ 7844.275399][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7844.275399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7844.275399][ T10] netlink_rcv_skb+0x130/0x360 [ 7844.275399][ T10] netlink_unicast+0x449/0x710 [ 7844.275399][ T10] netlink_sendmsg+0x723/0xbe0 [ 7844.275399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7844.275399][ T10] ___sys_sendmsg+0xee/0x170 [ 7844.275399][ T10] __sys_sendmsg+0xcd/0x170 [ 7844.275399][ T10] do_syscall_64+0xc6/0x1e0 [ 7844.275399][ T10] [ 7844.277614][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7844.277614][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7844.277614][ T10] ipv6_find_idev+0x102/0x170 [ 7844.277614][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7844.277614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7844.277614][ T10] netlink_rcv_skb+0x130/0x360 [ 7844.277614][ T10] netlink_unicast+0x449/0x710 [ 7844.277614][ T10] netlink_sendmsg+0x723/0xbe0 [ 7844.277614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7844.277614][ T10] ___sys_sendmsg+0xee/0x170 [ 7844.277614][ T10] __sys_sendmsg+0xcd/0x170 [ 7844.277614][ T10] do_syscall_64+0xc6/0x1e0 [ 7844.277614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7844.277614][ T10] [ 7844.279341][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7844.279341][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7844.279341][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7844.279341][ T10] ipv6_find_idev+0x102/0x170 [ 7844.279341][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7844.279341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7844.279341][ T10] netlink_rcv_skb+0x130/0x360 [ 7844.279341][ T10] netlink_unicast+0x449/0x710 [ 7844.279341][ T10] netlink_sendmsg+0x723/0xbe0 [ 7844.279341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7844.279341][ T10] ___sys_sendmsg+0xee/0x170 [ 7844.279341][ T10] __sys_sendmsg+0xcd/0x170 [ 7844.279341][ T10] do_syscall_64+0xc6/0x1e0 [ 7844.279341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7844.279341][ T10] [ 7844.937109][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7844.937560][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7844.937560][ T1167] dst_init+0x84/0x4a0 [ 7844.937560][ T1167] dst_alloc+0x97/0x150 [ 7844.937560][ T1167] ip6_dst_alloc+0x23/0x90 [ 7844.937560][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7844.937560][ T1167] ip6_pol_route+0x56f/0x840 [ 7844.937560][ T1167] fib6_rule_lookup+0x334/0x630 [ 7844.937560][ T1167] ip6_route_output_flags+0x259/0x480 [ 7844.937560][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7844.937560][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7844.937560][ T1167] netlink_rcv_skb+0x130/0x360 [ 7844.937560][ T1167] netlink_unicast+0x449/0x710 [ 7844.937560][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7844.937560][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7844.937560][ T1167] ___sys_sendmsg+0xee/0x170 [ 7844.937560][ T1167] __sys_sendmsg+0xcd/0x170 [ 7844.937560][ T1167] do_syscall_64+0xc6/0x1e0 [ 7844.937560][ T1167] [ 7844.939773][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7844.939773][ T1167] netdev_get_by_index+0x5e/0x80 [ 7844.939773][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7844.939773][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7844.939773][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7844.939773][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7844.939773][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7844.939773][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7844.939773][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7844.939773][ T1167] addrconf_dad_begin+0x310/0x670 [ 7844.939773][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7844.939773][ T1167] process_one_work+0x84d/0x18a0 [ 7844.939773][ T1167] worker_thread+0x587/0xd30 [ 7844.939773][ T1167] kthread+0x28a/0x350 [ 7844.939773][ T1167] ret_from_fork+0x31/0x70 [ 7844.939773][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7844.939773][ T1167] [ 7844.941930][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7844.941930][ T1167] netdev_get_by_index+0x5e/0x80 [ 7844.941930][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7844.941930][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7844.941930][ T1167] ip6_route_add+0x1c/0x140 [ 7844.941930][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7844.941930][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7844.941930][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7844.941930][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7844.941930][ T1167] netlink_rcv_skb+0x130/0x360 [ 7844.941930][ T1167] netlink_unicast+0x449/0x710 [ 7844.941930][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7844.941930][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7844.941930][ T1167] ___sys_sendmsg+0xee/0x170 [ 7844.941930][ T1167] __sys_sendmsg+0xcd/0x170 [ 7844.941930][ T1167] do_syscall_64+0xc6/0x1e0 [ 7844.941930][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7844.941930][ T1167] [ 7844.944176][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7844.944176][ T1167] netdev_get_by_index+0x5e/0x80 [ 7844.944176][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7844.944176][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7844.944176][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7844.944176][ T1167] ipv6_add_addr+0x411/0x2000 [ 7844.944176][ T1167] inet6_addr_add+0x30e/0xa40 [ 7844.944176][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7844.944176][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7844.944176][ T1167] netlink_rcv_skb+0x130/0x360 [ 7844.944176][ T1167] netlink_unicast+0x449/0x710 [ 7844.944176][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7844.944176][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7844.944176][ T1167] ___sys_sendmsg+0xee/0x170 [ 7844.944176][ T1167] __sys_sendmsg+0xcd/0x170 [ 7844.944176][ T1167] do_syscall_64+0xc6/0x1e0 [ 7844.944176][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7844.944176][ T1167] [ 7844.946423][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7844.946423][ T1167] netdev_get_by_index+0x5e/0x80 [ 7844.946423][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7844.946423][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7844.946423][ T1167] ip6_route_add+0x1c/0x140 [ 7844.946423][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7844.946423][ T1167] addrconf_add_dev+0xe2/0x170 [ 7844.946423][ T1167] inet6_addr_add+0x12f/0xa40 [ 7844.946423][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7844.946423][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7844.946423][ T1167] netlink_rcv_skb+0x130/0x360 [ 7844.946423][ T1167] netlink_unicast+0x449/0x710 [ 7844.946423][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7844.946423][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7844.946423][ T1167] ___sys_sendmsg+0xee/0x170 [ 7844.946423][ T1167] __sys_sendmsg+0xcd/0x170 [ 7844.946423][ T1167] do_syscall_64+0xc6/0x1e0 [ 7844.946423][ T1167] [ 7844.948645][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7844.948645][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7844.948645][ T1167] ipv6_find_idev+0x102/0x170 [ 7844.948645][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7844.948645][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7844.948645][ T1167] netlink_rcv_skb+0x130/0x360 [ 7844.948645][ T1167] netlink_unicast+0x449/0x710 [ 7844.948645][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7844.948645][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7844.948645][ T1167] ___sys_sendmsg+0xee/0x170 [ 7844.948645][ T1167] __sys_sendmsg+0xcd/0x170 [ 7844.948645][ T1167] do_syscall_64+0xc6/0x1e0 [ 7844.948645][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7844.948645][ T1167] [ 7844.950375][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7844.950375][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7844.950375][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7844.950375][ T1167] ipv6_find_idev+0x102/0x170 [ 7844.950375][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7844.950375][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7844.950375][ T1167] netlink_rcv_skb+0x130/0x360 [ 7844.950375][ T1167] netlink_unicast+0x449/0x710 [ 7844.950375][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7844.950375][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7844.950375][ T1167] ___sys_sendmsg+0xee/0x170 [ 7844.950375][ T1167] __sys_sendmsg+0xcd/0x170 [ 7844.950375][ T1167] do_syscall_64+0xc6/0x1e0 [ 7844.950375][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7844.950375][ T1167] [ 7854.521108][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7854.521465][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7854.521465][ T10] netdev_get_by_index+0x5e/0x80 [ 7854.521465][ T10] fib6_nh_init+0x3d8/0x1580 [ 7854.521465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7854.521465][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7854.521465][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7854.521465][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7854.521465][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7854.521465][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7854.521465][ T10] addrconf_dad_begin+0x310/0x670 [ 7854.521465][ T10] addrconf_dad_work+0x10b/0xab0 [ 7854.521465][ T10] process_one_work+0x84d/0x18a0 [ 7854.521465][ T10] worker_thread+0x587/0xd30 [ 7854.521465][ T10] kthread+0x28a/0x350 [ 7854.521465][ T10] ret_from_fork+0x31/0x70 [ 7854.521465][ T10] ret_from_fork_asm+0x1a/0x30 [ 7854.521465][ T10] [ 7854.523383][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7854.523383][ T10] netdev_get_by_index+0x5e/0x80 [ 7854.523383][ T10] fib6_nh_init+0x3d8/0x1580 [ 7854.523383][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7854.523383][ T10] ip6_route_add+0x1c/0x140 [ 7854.523383][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7854.523383][ T10] inet6_addr_add+0x4f8/0xa40 [ 7854.523383][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7854.523383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7854.523383][ T10] netlink_rcv_skb+0x130/0x360 [ 7854.523383][ T10] netlink_unicast+0x449/0x710 [ 7854.523383][ T10] netlink_sendmsg+0x723/0xbe0 [ 7854.523383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7854.523383][ T10] ___sys_sendmsg+0xee/0x170 [ 7854.523383][ T10] __sys_sendmsg+0xcd/0x170 [ 7854.523383][ T10] do_syscall_64+0xc6/0x1e0 [ 7854.523383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7854.523383][ T10] [ 7854.525363][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7854.525363][ T10] netdev_get_by_index+0x5e/0x80 [ 7854.525363][ T10] fib6_nh_init+0x3d8/0x1580 [ 7854.525363][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7854.525363][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7854.525363][ T10] ipv6_add_addr+0x411/0x2000 [ 7854.525363][ T10] inet6_addr_add+0x30e/0xa40 [ 7854.525363][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7854.525363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7854.525363][ T10] netlink_rcv_skb+0x130/0x360 [ 7854.525363][ T10] netlink_unicast+0x449/0x710 [ 7854.525363][ T10] netlink_sendmsg+0x723/0xbe0 [ 7854.525363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7854.525363][ T10] ___sys_sendmsg+0xee/0x170 [ 7854.525363][ T10] __sys_sendmsg+0xcd/0x170 [ 7854.525363][ T10] do_syscall_64+0xc6/0x1e0 [ 7854.525363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7854.525363][ T10] [ 7854.527343][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7854.527343][ T10] netdev_get_by_index+0x5e/0x80 [ 7854.527343][ T10] fib6_nh_init+0x3d8/0x1580 [ 7854.527343][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7854.527343][ T10] ip6_route_add+0x1c/0x140 [ 7854.527343][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7854.527343][ T10] addrconf_add_dev+0xe2/0x170 [ 7854.527343][ T10] inet6_addr_add+0x12f/0xa40 [ 7854.527343][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7854.527343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7854.527343][ T10] netlink_rcv_skb+0x130/0x360 [ 7854.527343][ T10] netlink_unicast+0x449/0x710 [ 7854.527343][ T10] netlink_sendmsg+0x723/0xbe0 [ 7854.527343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7854.527343][ T10] ___sys_sendmsg+0xee/0x170 [ 7854.527343][ T10] __sys_sendmsg+0xcd/0x170 [ 7854.527343][ T10] do_syscall_64+0xc6/0x1e0 [ 7854.527343][ T10] [ 7854.529289][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7854.529289][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7854.529289][ T10] ipv6_find_idev+0x102/0x170 [ 7854.529289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7854.529289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7854.529289][ T10] netlink_rcv_skb+0x130/0x360 [ 7854.529289][ T10] netlink_unicast+0x449/0x710 [ 7854.529289][ T10] netlink_sendmsg+0x723/0xbe0 [ 7854.529289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7854.529289][ T10] ___sys_sendmsg+0xee/0x170 [ 7854.529289][ T10] __sys_sendmsg+0xcd/0x170 [ 7854.529289][ T10] do_syscall_64+0xc6/0x1e0 [ 7854.529289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7854.529289][ T10] [ 7854.530807][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7854.530807][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7854.530807][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7854.530807][ T10] ipv6_find_idev+0x102/0x170 [ 7854.530807][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7854.530807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7854.530807][ T10] netlink_rcv_skb+0x130/0x360 [ 7854.530807][ T10] netlink_unicast+0x449/0x710 [ 7854.530807][ T10] netlink_sendmsg+0x723/0xbe0 [ 7854.530807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7854.530807][ T10] ___sys_sendmsg+0xee/0x170 [ 7854.530807][ T10] __sys_sendmsg+0xcd/0x170 [ 7854.530807][ T10] do_syscall_64+0xc6/0x1e0 [ 7854.530807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7854.530807][ T10] [ 7854.532483][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7854.532730][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7854.532730][ T10] netdev_get_by_index+0x5e/0x80 [ 7854.532730][ T10] fib6_nh_init+0x3d8/0x1580 [ 7854.532730][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7854.532730][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7854.532730][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7854.532730][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7854.532730][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7854.532730][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7854.532730][ T10] addrconf_dad_begin+0x310/0x670 [ 7854.532730][ T10] addrconf_dad_work+0x10b/0xab0 [ 7854.532730][ T10] process_one_work+0x84d/0x18a0 [ 7854.532730][ T10] worker_thread+0x587/0xd30 [ 7854.532730][ T10] kthread+0x28a/0x350 [ 7854.532730][ T10] ret_from_fork+0x31/0x70 [ 7854.532730][ T10] ret_from_fork_asm+0x1a/0x30 [ 7854.532730][ T10] [ 7854.534623][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7854.534623][ T10] netdev_get_by_index+0x5e/0x80 [ 7854.534623][ T10] fib6_nh_init+0x3d8/0x1580 [ 7854.534623][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7854.534623][ T10] ip6_route_add+0x1c/0x140 [ 7854.534623][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7854.534623][ T10] inet6_addr_add+0x4f8/0xa40 [ 7854.534623][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7854.534623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7854.534623][ T10] netlink_rcv_skb+0x130/0x360 [ 7854.534623][ T10] netlink_unicast+0x449/0x710 [ 7854.534623][ T10] netlink_sendmsg+0x723/0xbe0 [ 7854.534623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7854.534623][ T10] ___sys_sendmsg+0xee/0x170 [ 7854.534623][ T10] __sys_sendmsg+0xcd/0x170 [ 7854.534623][ T10] do_syscall_64+0xc6/0x1e0 [ 7854.534623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7854.534623][ T10] [ 7854.536597][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7854.536597][ T10] netdev_get_by_index+0x5e/0x80 [ 7854.536597][ T10] fib6_nh_init+0x3d8/0x1580 [ 7854.536597][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7854.536597][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7854.536597][ T10] ipv6_add_addr+0x411/0x2000 [ 7854.536597][ T10] inet6_addr_add+0x30e/0xa40 [ 7854.536597][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7854.536597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7854.536597][ T10] netlink_rcv_skb+0x130/0x360 [ 7854.536597][ T10] netlink_unicast+0x449/0x710 [ 7854.536597][ T10] netlink_sendmsg+0x723/0xbe0 [ 7854.536597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7854.536597][ T10] ___sys_sendmsg+0xee/0x170 [ 7854.536597][ T10] __sys_sendmsg+0xcd/0x170 [ 7854.536597][ T10] do_syscall_64+0xc6/0x1e0 [ 7854.536597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7854.536597][ T10] [ 7854.538579][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7854.538579][ T10] netdev_get_by_index+0x5e/0x80 [ 7854.538579][ T10] fib6_nh_init+0x3d8/0x1580 [ 7854.538579][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7854.538579][ T10] ip6_route_add+0x1c/0x140 [ 7854.538579][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7854.538579][ T10] addrconf_add_dev+0xe2/0x170 [ 7854.538579][ T10] inet6_addr_add+0x12f/0xa40 [ 7854.538579][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7854.538579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7854.538579][ T10] netlink_rcv_skb+0x130/0x360 [ 7854.538579][ T10] netlink_unicast+0x449/0x710 [ 7854.538579][ T10] netlink_sendmsg+0x723/0xbe0 [ 7854.538579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7854.538579][ T10] ___sys_sendmsg+0xee/0x170 [ 7854.538579][ T10] __sys_sendmsg+0xcd/0x170 [ 7854.538579][ T10] do_syscall_64+0xc6/0x1e0 [ 7854.538579][ T10] [ 7854.540538][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7854.540538][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7854.540538][ T10] ipv6_find_idev+0x102/0x170 [ 7854.540538][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7854.540538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7854.540538][ T10] netlink_rcv_skb+0x130/0x360 [ 7854.540538][ T10] netlink_unicast+0x449/0x710 [ 7854.540538][ T10] netlink_sendmsg+0x723/0xbe0 [ 7854.540538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7854.540538][ T10] ___sys_sendmsg+0xee/0x170 [ 7854.540538][ T10] __sys_sendmsg+0xcd/0x170 [ 7854.540538][ T10] do_syscall_64+0xc6/0x1e0 [ 7854.540538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7854.540538][ T10] [ 7854.542064][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7854.542064][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7854.542064][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7854.542064][ T10] ipv6_find_idev+0x102/0x170 [ 7854.542064][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7854.542064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7854.542064][ T10] netlink_rcv_skb+0x130/0x360 [ 7854.542064][ T10] netlink_unicast+0x449/0x710 [ 7854.542064][ T10] netlink_sendmsg+0x723/0xbe0 [ 7854.542064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7854.542064][ T10] ___sys_sendmsg+0xee/0x170 [ 7854.542064][ T10] __sys_sendmsg+0xcd/0x170 [ 7854.542064][ T10] do_syscall_64+0xc6/0x1e0 [ 7854.542064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7854.542064][ T10] [ 7854.543726][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7854.543962][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7854.543962][ T10] netdev_get_by_index+0x5e/0x80 [ 7854.543962][ T10] fib6_nh_init+0x3d8/0x1580 [ 7854.543962][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7854.543962][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7854.543962][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7854.543962][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7854.543962][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7854.543962][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7854.543962][ T10] addrconf_dad_begin+0x310/0x670 [ 7854.543962][ T10] addrconf_dad_work+0x10b/0xab0 [ 7854.543962][ T10] process_one_work+0x84d/0x18a0 [ 7854.543962][ T10] worker_thread+0x587/0xd30 [ 7854.543962][ T10] kthread+0x28a/0x350 [ 7854.543962][ T10] ret_from_fork+0x31/0x70 [ 7854.543962][ T10] ret_from_fork_asm+0x1a/0x30 [ 7854.543962][ T10] [ 7854.545855][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7854.545855][ T10] netdev_get_by_index+0x5e/0x80 [ 7854.545855][ T10] fib6_nh_init+0x3d8/0x1580 [ 7854.545855][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7854.545855][ T10] ip6_route_add+0x1c/0x140 [ 7854.545855][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7854.545855][ T10] inet6_addr_add+0x4f8/0xa40 [ 7854.545855][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7854.545855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7854.545855][ T10] netlink_rcv_skb+0x130/0x360 [ 7854.545855][ T10] netlink_unicast+0x449/0x710 [ 7854.545855][ T10] netlink_sendmsg+0x723/0xbe0 [ 7854.545855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7854.545855][ T10] ___sys_sendmsg+0xee/0x170 [ 7854.545855][ T10] __sys_sendmsg+0xcd/0x170 [ 7854.545855][ T10] do_syscall_64+0xc6/0x1e0 [ 7854.545855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7854.545855][ T10] [ 7854.548015][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7854.548015][ T10] netdev_get_by_index+0x5e/0x80 [ 7854.548015][ T10] fib6_nh_init+0x3d8/0x1580 [ 7854.548015][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7854.548015][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7854.548015][ T10] ipv6_add_addr+0x411/0x2000 [ 7854.548015][ T10] inet6_addr_add+0x30e/0xa40 [ 7854.548015][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7854.548015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7854.548015][ T10] netlink_rcv_skb+0x130/0x360 [ 7854.548015][ T10] netlink_unicast+0x449/0x710 [ 7854.548015][ T10] netlink_sendmsg+0x723/0xbe0 [ 7854.548015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7854.548015][ T10] ___sys_sendmsg+0xee/0x170 [ 7854.548015][ T10] __sys_sendmsg+0xcd/0x170 [ 7854.548015][ T10] do_syscall_64+0xc6/0x1e0 [ 7854.548015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7854.548015][ T10] [ 7854.550296][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7854.550296][ T10] netdev_get_by_index+0x5e/0x80 [ 7854.550296][ T10] fib6_nh_init+0x3d8/0x1580 [ 7854.550296][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7854.550296][ T10] ip6_route_add+0x1c/0x140 [ 7854.550296][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7854.550296][ T10] addrconf_add_dev+0xe2/0x170 [ 7854.550296][ T10] inet6_addr_add+0x12f/0xa40 [ 7854.550296][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7854.550296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7854.550296][ T10] netlink_rcv_skb+0x130/0x360 [ 7854.550296][ T10] netlink_unicast+0x449/0x710 [ 7854.550296][ T10] netlink_sendmsg+0x723/0xbe0 [ 7854.550296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7854.550296][ T10] ___sys_sendmsg+0xee/0x170 [ 7854.550296][ T10] __sys_sendmsg+0xcd/0x170 [ 7854.550296][ T10] do_syscall_64+0xc6/0x1e0 [ 7854.550296][ T10] [ 7854.552485][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7854.552485][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7854.552485][ T10] ipv6_find_idev+0x102/0x170 [ 7854.552485][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7854.552485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7854.552485][ T10] netlink_rcv_skb+0x130/0x360 [ 7854.552485][ T10] netlink_unicast+0x449/0x710 [ 7854.552485][ T10] netlink_sendmsg+0x723/0xbe0 [ 7854.552485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7854.552485][ T10] ___sys_sendmsg+0xee/0x170 [ 7854.552485][ T10] __sys_sendmsg+0xcd/0x170 [ 7854.552485][ T10] do_syscall_64+0xc6/0x1e0 [ 7854.552485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7854.552485][ T10] [ 7854.554189][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7854.554189][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7854.554189][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7854.554189][ T10] ipv6_find_idev+0x102/0x170 [ 7854.554189][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7854.554189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7854.554189][ T10] netlink_rcv_skb+0x130/0x360 [ 7854.554189][ T10] netlink_unicast+0x449/0x710 [ 7854.554189][ T10] netlink_sendmsg+0x723/0xbe0 [ 7854.554189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7854.554189][ T10] ___sys_sendmsg+0xee/0x170 [ 7854.554189][ T10] __sys_sendmsg+0xcd/0x170 [ 7854.554189][ T10] do_syscall_64+0xc6/0x1e0 [ 7854.554189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7854.554189][ T10] [ 7854.556032][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7854.556272][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7854.556272][ T10] netdev_get_by_index+0x5e/0x80 [ 7854.556272][ T10] fib6_nh_init+0x3d8/0x1580 [ 7854.556272][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7854.556272][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7854.556272][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7854.556272][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7854.556272][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7854.556272][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7854.556272][ T10] addrconf_dad_begin+0x310/0x670 [ 7854.556272][ T10] addrconf_dad_work+0x10b/0xab0 [ 7854.556272][ T10] process_one_work+0x84d/0x18a0 [ 7854.556272][ T10] worker_thread+0x587/0xd30 [ 7854.556272][ T10] kthread+0x28a/0x350 [ 7854.556272][ T10] ret_from_fork+0x31/0x70 [ 7854.556272][ T10] ret_from_fork_asm+0x1a/0x30 [ 7854.556272][ T10] [ 7854.558458][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7854.558458][ T10] netdev_get_by_index+0x5e/0x80 [ 7854.558458][ T10] fib6_nh_init+0x3d8/0x1580 [ 7854.558458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7854.558458][ T10] ip6_route_add+0x1c/0x140 [ 7854.558458][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7854.558458][ T10] inet6_addr_add+0x4f8/0xa40 [ 7854.558458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7854.558458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7854.558458][ T10] netlink_rcv_skb+0x130/0x360 [ 7854.558458][ T10] netlink_unicast+0x449/0x710 [ 7854.558458][ T10] netlink_sendmsg+0x723/0xbe0 [ 7854.558458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7854.558458][ T10] ___sys_sendmsg+0xee/0x170 [ 7854.558458][ T10] __sys_sendmsg+0xcd/0x170 [ 7854.558458][ T10] do_syscall_64+0xc6/0x1e0 [ 7854.558458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7854.558458][ T10] [ 7854.560684][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7854.560684][ T10] netdev_get_by_index+0x5e/0x80 [ 7854.560684][ T10] fib6_nh_init+0x3d8/0x1580 [ 7854.560684][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7854.560684][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7854.560684][ T10] ipv6_add_addr+0x411/0x2000 [ 7854.560684][ T10] inet6_addr_add+0x30e/0xa40 [ 7854.560684][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7854.560684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7854.560684][ T10] netlink_rcv_skb+0x130/0x360 [ 7854.560684][ T10] netlink_unicast+0x449/0x710 [ 7854.560684][ T10] netlink_sendmsg+0x723/0xbe0 [ 7854.560684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7854.560684][ T10] ___sys_sendmsg+0xee/0x170 [ 7854.560684][ T10] __sys_sendmsg+0xcd/0x170 [ 7854.560684][ T10] do_syscall_64+0xc6/0x1e0 [ 7854.560684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7854.560684][ T10] [ 7854.562849][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7854.562849][ T10] netdev_get_by_index+0x5e/0x80 [ 7854.562849][ T10] fib6_nh_init+0x3d8/0x1580 [ 7854.562849][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7854.562849][ T10] ip6_route_add+0x1c/0x140 [ 7854.562849][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7854.562849][ T10] addrconf_add_dev+0xe2/0x170 [ 7854.562849][ T10] inet6_addr_add+0x12f/0xa40 [ 7854.562849][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7854.562849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7854.562849][ T10] netlink_rcv_skb+0x130/0x360 [ 7854.562849][ T10] netlink_unicast+0x449/0x710 [ 7854.562849][ T10] netlink_sendmsg+0x723/0xbe0 [ 7854.562849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7854.562849][ T10] ___sys_sendmsg+0xee/0x170 [ 7854.562849][ T10] __sys_sendmsg+0xcd/0x170 [ 7854.562849][ T10] do_syscall_64+0xc6/0x1e0 [ 7854.562849][ T10] [ 7854.565036][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7854.565036][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7854.565036][ T10] ipv6_find_idev+0x102/0x170 [ 7854.565036][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7854.565036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7854.565036][ T10] netlink_rcv_skb+0x130/0x360 [ 7854.565036][ T10] netlink_unicast+0x449/0x710 [ 7854.565036][ T10] netlink_sendmsg+0x723/0xbe0 [ 7854.565036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7854.565036][ T10] ___sys_sendmsg+0xee/0x170 [ 7854.565036][ T10] __sys_sendmsg+0xcd/0x170 [ 7854.565036][ T10] do_syscall_64+0xc6/0x1e0 [ 7854.565036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7854.565036][ T10] [ 7854.566746][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7854.566746][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7854.566746][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7854.566746][ T10] ipv6_find_idev+0x102/0x170 [ 7854.566746][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7854.566746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7854.566746][ T10] netlink_rcv_skb+0x130/0x360 [ 7854.566746][ T10] netlink_unicast+0x449/0x710 [ 7854.566746][ T10] netlink_sendmsg+0x723/0xbe0 [ 7854.566746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7854.566746][ T10] ___sys_sendmsg+0xee/0x170 [ 7854.566746][ T10] __sys_sendmsg+0xcd/0x170 [ 7854.566746][ T10] do_syscall_64+0xc6/0x1e0 [ 7854.566746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7854.566746][ T10] [ 7855.201109][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7855.201484][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7855.201484][ T1167] dst_init+0x84/0x4a0 [ 7855.201484][ T1167] dst_alloc+0x97/0x150 [ 7855.201484][ T1167] ip6_dst_alloc+0x23/0x90 [ 7855.201484][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7855.201484][ T1167] ip6_pol_route+0x56f/0x840 [ 7855.201484][ T1167] fib6_rule_lookup+0x334/0x630 [ 7855.201484][ T1167] ip6_route_output_flags+0x259/0x480 [ 7855.201484][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7855.201484][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7855.201484][ T1167] netlink_rcv_skb+0x130/0x360 [ 7855.201484][ T1167] netlink_unicast+0x449/0x710 [ 7855.201484][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7855.201484][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7855.201484][ T1167] ___sys_sendmsg+0xee/0x170 [ 7855.201484][ T1167] __sys_sendmsg+0xcd/0x170 [ 7855.201484][ T1167] do_syscall_64+0xc6/0x1e0 [ 7855.201484][ T1167] [ 7855.203720][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7855.203720][ T1167] netdev_get_by_index+0x5e/0x80 [ 7855.203720][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7855.203720][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7855.203720][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7855.203720][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7855.203720][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7855.203720][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7855.203720][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7855.203720][ T1167] addrconf_dad_begin+0x310/0x670 [ 7855.203720][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7855.203720][ T1167] process_one_work+0x84d/0x18a0 [ 7855.203720][ T1167] worker_thread+0x587/0xd30 [ 7855.203720][ T1167] kthread+0x28a/0x350 [ 7855.203720][ T1167] ret_from_fork+0x31/0x70 [ 7855.203720][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7855.203720][ T1167] [ 7855.205870][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7855.205870][ T1167] netdev_get_by_index+0x5e/0x80 [ 7855.205870][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7855.205870][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7855.205870][ T1167] ip6_route_add+0x1c/0x140 [ 7855.205870][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7855.205870][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7855.205870][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7855.205870][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7855.205870][ T1167] netlink_rcv_skb+0x130/0x360 [ 7855.205870][ T1167] netlink_unicast+0x449/0x710 [ 7855.205870][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7855.205870][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7855.205870][ T1167] ___sys_sendmsg+0xee/0x170 [ 7855.205870][ T1167] __sys_sendmsg+0xcd/0x170 [ 7855.205870][ T1167] do_syscall_64+0xc6/0x1e0 [ 7855.205870][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7855.205870][ T1167] [ 7855.208139][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7855.208139][ T1167] netdev_get_by_index+0x5e/0x80 [ 7855.208139][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7855.208139][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7855.208139][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7855.208139][ T1167] ipv6_add_addr+0x411/0x2000 [ 7855.208139][ T1167] inet6_addr_add+0x30e/0xa40 [ 7855.208139][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7855.208139][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7855.208139][ T1167] netlink_rcv_skb+0x130/0x360 [ 7855.208139][ T1167] netlink_unicast+0x449/0x710 [ 7855.208139][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7855.208139][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7855.208139][ T1167] ___sys_sendmsg+0xee/0x170 [ 7855.208139][ T1167] __sys_sendmsg+0xcd/0x170 [ 7855.208139][ T1167] do_syscall_64+0xc6/0x1e0 [ 7855.208139][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7855.208139][ T1167] [ 7855.210401][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7855.210401][ T1167] netdev_get_by_index+0x5e/0x80 [ 7855.210401][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7855.210401][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7855.210401][ T1167] ip6_route_add+0x1c/0x140 [ 7855.210401][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7855.210401][ T1167] addrconf_add_dev+0xe2/0x170 [ 7855.210401][ T1167] inet6_addr_add+0x12f/0xa40 [ 7855.210401][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7855.210401][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7855.210401][ T1167] netlink_rcv_skb+0x130/0x360 [ 7855.210401][ T1167] netlink_unicast+0x449/0x710 [ 7855.210401][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7855.210401][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7855.210401][ T1167] ___sys_sendmsg+0xee/0x170 [ 7855.210401][ T1167] __sys_sendmsg+0xcd/0x170 [ 7855.210401][ T1167] do_syscall_64+0xc6/0x1e0 [ 7855.210401][ T1167] [ 7855.212626][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7855.212626][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7855.212626][ T1167] ipv6_find_idev+0x102/0x170 [ 7855.212626][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7855.212626][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7855.212626][ T1167] netlink_rcv_skb+0x130/0x360 [ 7855.212626][ T1167] netlink_unicast+0x449/0x710 [ 7855.212626][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7855.212626][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7855.212626][ T1167] ___sys_sendmsg+0xee/0x170 [ 7855.212626][ T1167] __sys_sendmsg+0xcd/0x170 [ 7855.212626][ T1167] do_syscall_64+0xc6/0x1e0 [ 7855.212626][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7855.212626][ T1167] [ 7855.214326][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7855.214326][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7855.214326][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7855.214326][ T1167] ipv6_find_idev+0x102/0x170 [ 7855.214326][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7855.214326][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7855.214326][ T1167] netlink_rcv_skb+0x130/0x360 [ 7855.214326][ T1167] netlink_unicast+0x449/0x710 [ 7855.214326][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7855.214326][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7855.214326][ T1167] ___sys_sendmsg+0xee/0x170 [ 7855.214326][ T1167] __sys_sendmsg+0xcd/0x170 [ 7855.214326][ T1167] do_syscall_64+0xc6/0x1e0 [ 7855.214326][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7855.214326][ T1167] [ 7864.809133][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7864.809488][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7864.809488][ T10] netdev_get_by_index+0x5e/0x80 [ 7864.809488][ T10] fib6_nh_init+0x3d8/0x1580 [ 7864.809488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7864.809488][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7864.809488][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7864.809488][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7864.809488][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7864.809488][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7864.809488][ T10] addrconf_dad_begin+0x310/0x670 [ 7864.809488][ T10] addrconf_dad_work+0x10b/0xab0 [ 7864.809488][ T10] process_one_work+0x84d/0x18a0 [ 7864.809488][ T10] worker_thread+0x587/0xd30 [ 7864.809488][ T10] kthread+0x28a/0x350 [ 7864.809488][ T10] ret_from_fork+0x31/0x70 [ 7864.809488][ T10] ret_from_fork_asm+0x1a/0x30 [ 7864.809488][ T10] [ 7864.811408][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7864.811408][ T10] netdev_get_by_index+0x5e/0x80 [ 7864.811408][ T10] fib6_nh_init+0x3d8/0x1580 [ 7864.811408][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7864.811408][ T10] ip6_route_add+0x1c/0x140 [ 7864.811408][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7864.811408][ T10] inet6_addr_add+0x4f8/0xa40 [ 7864.811408][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7864.811408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7864.811408][ T10] netlink_rcv_skb+0x130/0x360 [ 7864.811408][ T10] netlink_unicast+0x449/0x710 [ 7864.811408][ T10] netlink_sendmsg+0x723/0xbe0 [ 7864.811408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7864.811408][ T10] ___sys_sendmsg+0xee/0x170 [ 7864.811408][ T10] __sys_sendmsg+0xcd/0x170 [ 7864.811408][ T10] do_syscall_64+0xc6/0x1e0 [ 7864.811408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7864.811408][ T10] [ 7864.813525][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7864.813525][ T10] netdev_get_by_index+0x5e/0x80 [ 7864.813525][ T10] fib6_nh_init+0x3d8/0x1580 [ 7864.813525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7864.813525][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7864.813525][ T10] ipv6_add_addr+0x411/0x2000 [ 7864.813525][ T10] inet6_addr_add+0x30e/0xa40 [ 7864.813525][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7864.813525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7864.813525][ T10] netlink_rcv_skb+0x130/0x360 [ 7864.813525][ T10] netlink_unicast+0x449/0x710 [ 7864.813525][ T10] netlink_sendmsg+0x723/0xbe0 [ 7864.813525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7864.813525][ T10] ___sys_sendmsg+0xee/0x170 [ 7864.813525][ T10] __sys_sendmsg+0xcd/0x170 [ 7864.813525][ T10] do_syscall_64+0xc6/0x1e0 [ 7864.813525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7864.813525][ T10] [ 7864.815534][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7864.815534][ T10] netdev_get_by_index+0x5e/0x80 [ 7864.815534][ T10] fib6_nh_init+0x3d8/0x1580 [ 7864.815534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7864.815534][ T10] ip6_route_add+0x1c/0x140 [ 7864.815534][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7864.815534][ T10] addrconf_add_dev+0xe2/0x170 [ 7864.815534][ T10] inet6_addr_add+0x12f/0xa40 [ 7864.815534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7864.815534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7864.815534][ T10] netlink_rcv_skb+0x130/0x360 [ 7864.815534][ T10] netlink_unicast+0x449/0x710 [ 7864.815534][ T10] netlink_sendmsg+0x723/0xbe0 [ 7864.815534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7864.815534][ T10] ___sys_sendmsg+0xee/0x170 [ 7864.815534][ T10] __sys_sendmsg+0xcd/0x170 [ 7864.815534][ T10] do_syscall_64+0xc6/0x1e0 [ 7864.815534][ T10] [ 7864.817484][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7864.817484][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7864.817484][ T10] ipv6_find_idev+0x102/0x170 [ 7864.817484][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7864.817484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7864.817484][ T10] netlink_rcv_skb+0x130/0x360 [ 7864.817484][ T10] netlink_unicast+0x449/0x710 [ 7864.817484][ T10] netlink_sendmsg+0x723/0xbe0 [ 7864.817484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7864.817484][ T10] ___sys_sendmsg+0xee/0x170 [ 7864.817484][ T10] __sys_sendmsg+0xcd/0x170 [ 7864.817484][ T10] do_syscall_64+0xc6/0x1e0 [ 7864.817484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7864.817484][ T10] [ 7864.819008][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7864.819008][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7864.819008][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7864.819008][ T10] ipv6_find_idev+0x102/0x170 [ 7864.819008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7864.819008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7864.819008][ T10] netlink_rcv_skb+0x130/0x360 [ 7864.819008][ T10] netlink_unicast+0x449/0x710 [ 7864.819008][ T10] netlink_sendmsg+0x723/0xbe0 [ 7864.819008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7864.819008][ T10] ___sys_sendmsg+0xee/0x170 [ 7864.819008][ T10] __sys_sendmsg+0xcd/0x170 [ 7864.819008][ T10] do_syscall_64+0xc6/0x1e0 [ 7864.819008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7864.819008][ T10] [ 7864.820681][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7864.820922][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7864.820922][ T10] netdev_get_by_index+0x5e/0x80 [ 7864.820922][ T10] fib6_nh_init+0x3d8/0x1580 [ 7864.820922][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7864.820922][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7864.820922][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7864.820922][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7864.820922][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7864.820922][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7864.820922][ T10] addrconf_dad_begin+0x310/0x670 [ 7864.820922][ T10] addrconf_dad_work+0x10b/0xab0 [ 7864.820922][ T10] process_one_work+0x84d/0x18a0 [ 7864.820922][ T10] worker_thread+0x587/0xd30 [ 7864.820922][ T10] kthread+0x28a/0x350 [ 7864.820922][ T10] ret_from_fork+0x31/0x70 [ 7864.820922][ T10] ret_from_fork_asm+0x1a/0x30 [ 7864.820922][ T10] [ 7864.822845][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7864.822845][ T10] netdev_get_by_index+0x5e/0x80 [ 7864.822845][ T10] fib6_nh_init+0x3d8/0x1580 [ 7864.822845][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7864.822845][ T10] ip6_route_add+0x1c/0x140 [ 7864.822845][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7864.822845][ T10] inet6_addr_add+0x4f8/0xa40 [ 7864.822845][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7864.822845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7864.822845][ T10] netlink_rcv_skb+0x130/0x360 [ 7864.822845][ T10] netlink_unicast+0x449/0x710 [ 7864.822845][ T10] netlink_sendmsg+0x723/0xbe0 [ 7864.822845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7864.822845][ T10] ___sys_sendmsg+0xee/0x170 [ 7864.822845][ T10] __sys_sendmsg+0xcd/0x170 [ 7864.822845][ T10] do_syscall_64+0xc6/0x1e0 [ 7864.822845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7864.822845][ T10] [ 7864.824838][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7864.824838][ T10] netdev_get_by_index+0x5e/0x80 [ 7864.824838][ T10] fib6_nh_init+0x3d8/0x1580 [ 7864.824838][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7864.824838][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7864.824838][ T10] ipv6_add_addr+0x411/0x2000 [ 7864.824838][ T10] inet6_addr_add+0x30e/0xa40 [ 7864.824838][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7864.824838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7864.824838][ T10] netlink_rcv_skb+0x130/0x360 [ 7864.824838][ T10] netlink_unicast+0x449/0x710 [ 7864.824838][ T10] netlink_sendmsg+0x723/0xbe0 [ 7864.824838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7864.824838][ T10] ___sys_sendmsg+0xee/0x170 [ 7864.824838][ T10] __sys_sendmsg+0xcd/0x170 [ 7864.824838][ T10] do_syscall_64+0xc6/0x1e0 [ 7864.824838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7864.824838][ T10] [ 7864.826823][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7864.826823][ T10] netdev_get_by_index+0x5e/0x80 [ 7864.826823][ T10] fib6_nh_init+0x3d8/0x1580 [ 7864.826823][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7864.826823][ T10] ip6_route_add+0x1c/0x140 [ 7864.826823][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7864.826823][ T10] addrconf_add_dev+0xe2/0x170 [ 7864.826823][ T10] inet6_addr_add+0x12f/0xa40 [ 7864.826823][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7864.826823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7864.826823][ T10] netlink_rcv_skb+0x130/0x360 [ 7864.826823][ T10] netlink_unicast+0x449/0x710 [ 7864.826823][ T10] netlink_sendmsg+0x723/0xbe0 [ 7864.826823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7864.826823][ T10] ___sys_sendmsg+0xee/0x170 [ 7864.826823][ T10] __sys_sendmsg+0xcd/0x170 [ 7864.826823][ T10] do_syscall_64+0xc6/0x1e0 [ 7864.826823][ T10] [ 7864.828777][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7864.828777][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7864.828777][ T10] ipv6_find_idev+0x102/0x170 [ 7864.828777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7864.828777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7864.828777][ T10] netlink_rcv_skb+0x130/0x360 [ 7864.828777][ T10] netlink_unicast+0x449/0x710 [ 7864.828777][ T10] netlink_sendmsg+0x723/0xbe0 [ 7864.828777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7864.828777][ T10] ___sys_sendmsg+0xee/0x170 [ 7864.828777][ T10] __sys_sendmsg+0xcd/0x170 [ 7864.828777][ T10] do_syscall_64+0xc6/0x1e0 [ 7864.828777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7864.828777][ T10] [ 7864.830313][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7864.830313][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7864.830313][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7864.830313][ T10] ipv6_find_idev+0x102/0x170 [ 7864.830313][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7864.830313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7864.830313][ T10] netlink_rcv_skb+0x130/0x360 [ 7864.830313][ T10] netlink_unicast+0x449/0x710 [ 7864.830313][ T10] netlink_sendmsg+0x723/0xbe0 [ 7864.830313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7864.830313][ T10] ___sys_sendmsg+0xee/0x170 [ 7864.830313][ T10] __sys_sendmsg+0xcd/0x170 [ 7864.830313][ T10] do_syscall_64+0xc6/0x1e0 [ 7864.830313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7864.830313][ T10] [ 7864.832008][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7864.832246][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7864.832246][ T10] netdev_get_by_index+0x5e/0x80 [ 7864.832246][ T10] fib6_nh_init+0x3d8/0x1580 [ 7864.832246][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7864.832246][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7864.832246][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7864.832246][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7864.832246][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7864.832246][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7864.832246][ T10] addrconf_dad_begin+0x310/0x670 [ 7864.832246][ T10] addrconf_dad_work+0x10b/0xab0 [ 7864.832246][ T10] process_one_work+0x84d/0x18a0 [ 7864.832246][ T10] worker_thread+0x587/0xd30 [ 7864.832246][ T10] kthread+0x28a/0x350 [ 7864.832246][ T10] ret_from_fork+0x31/0x70 [ 7864.832246][ T10] ret_from_fork_asm+0x1a/0x30 [ 7864.832246][ T10] [ 7864.834146][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7864.834146][ T10] netdev_get_by_index+0x5e/0x80 [ 7864.834146][ T10] fib6_nh_init+0x3d8/0x1580 [ 7864.834146][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7864.834146][ T10] ip6_route_add+0x1c/0x140 [ 7864.834146][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7864.834146][ T10] inet6_addr_add+0x4f8/0xa40 [ 7864.834146][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7864.834146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7864.834146][ T10] netlink_rcv_skb+0x130/0x360 [ 7864.834146][ T10] netlink_unicast+0x449/0x710 [ 7864.834146][ T10] netlink_sendmsg+0x723/0xbe0 [ 7864.834146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7864.834146][ T10] ___sys_sendmsg+0xee/0x170 [ 7864.834146][ T10] __sys_sendmsg+0xcd/0x170 [ 7864.834146][ T10] do_syscall_64+0xc6/0x1e0 [ 7864.834146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7864.834146][ T10] [ 7864.836313][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7864.836313][ T10] netdev_get_by_index+0x5e/0x80 [ 7864.836313][ T10] fib6_nh_init+0x3d8/0x1580 [ 7864.836313][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7864.836313][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7864.836313][ T10] ipv6_add_addr+0x411/0x2000 [ 7864.836313][ T10] inet6_addr_add+0x30e/0xa40 [ 7864.836313][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7864.836313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7864.836313][ T10] netlink_rcv_skb+0x130/0x360 [ 7864.836313][ T10] netlink_unicast+0x449/0x710 [ 7864.836313][ T10] netlink_sendmsg+0x723/0xbe0 [ 7864.836313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7864.836313][ T10] ___sys_sendmsg+0xee/0x170 [ 7864.836313][ T10] __sys_sendmsg+0xcd/0x170 [ 7864.836313][ T10] do_syscall_64+0xc6/0x1e0 [ 7864.836313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7864.836313][ T10] [ 7864.838541][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7864.838541][ T10] netdev_get_by_index+0x5e/0x80 [ 7864.838541][ T10] fib6_nh_init+0x3d8/0x1580 [ 7864.838541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7864.838541][ T10] ip6_route_add+0x1c/0x140 [ 7864.838541][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7864.838541][ T10] addrconf_add_dev+0xe2/0x170 [ 7864.838541][ T10] inet6_addr_add+0x12f/0xa40 [ 7864.838541][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7864.838541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7864.838541][ T10] netlink_rcv_skb+0x130/0x360 [ 7864.838541][ T10] netlink_unicast+0x449/0x710 [ 7864.838541][ T10] netlink_sendmsg+0x723/0xbe0 [ 7864.838541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7864.838541][ T10] ___sys_sendmsg+0xee/0x170 [ 7864.838541][ T10] __sys_sendmsg+0xcd/0x170 [ 7864.838541][ T10] do_syscall_64+0xc6/0x1e0 [ 7864.838541][ T10] [ 7864.840738][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7864.840738][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7864.840738][ T10] ipv6_find_idev+0x102/0x170 [ 7864.840738][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7864.840738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7864.840738][ T10] netlink_rcv_skb+0x130/0x360 [ 7864.840738][ T10] netlink_unicast+0x449/0x710 [ 7864.840738][ T10] netlink_sendmsg+0x723/0xbe0 [ 7864.840738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7864.840738][ T10] ___sys_sendmsg+0xee/0x170 [ 7864.840738][ T10] __sys_sendmsg+0xcd/0x170 [ 7864.840738][ T10] do_syscall_64+0xc6/0x1e0 [ 7864.840738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7864.840738][ T10] [ 7864.842457][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7864.842457][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7864.842457][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7864.842457][ T10] ipv6_find_idev+0x102/0x170 [ 7864.842457][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7864.842457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7864.842457][ T10] netlink_rcv_skb+0x130/0x360 [ 7864.842457][ T10] netlink_unicast+0x449/0x710 [ 7864.842457][ T10] netlink_sendmsg+0x723/0xbe0 [ 7864.842457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7864.842457][ T10] ___sys_sendmsg+0xee/0x170 [ 7864.842457][ T10] __sys_sendmsg+0xcd/0x170 [ 7864.842457][ T10] do_syscall_64+0xc6/0x1e0 [ 7864.842457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7864.842457][ T10] [ 7864.844312][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7864.844558][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7864.844558][ T10] netdev_get_by_index+0x5e/0x80 [ 7864.844558][ T10] fib6_nh_init+0x3d8/0x1580 [ 7864.844558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7864.844558][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7864.844558][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7864.844558][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7864.844558][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7864.844558][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7864.844558][ T10] addrconf_dad_begin+0x310/0x670 [ 7864.844558][ T10] addrconf_dad_work+0x10b/0xab0 [ 7864.844558][ T10] process_one_work+0x84d/0x18a0 [ 7864.844558][ T10] worker_thread+0x587/0xd30 [ 7864.844558][ T10] kthread+0x28a/0x350 [ 7864.844558][ T10] ret_from_fork+0x31/0x70 [ 7864.844558][ T10] ret_from_fork_asm+0x1a/0x30 [ 7864.844558][ T10] [ 7864.846693][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7864.846693][ T10] netdev_get_by_index+0x5e/0x80 [ 7864.846693][ T10] fib6_nh_init+0x3d8/0x1580 [ 7864.846693][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7864.846693][ T10] ip6_route_add+0x1c/0x140 [ 7864.846693][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7864.846693][ T10] inet6_addr_add+0x4f8/0xa40 [ 7864.846693][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7864.846693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7864.846693][ T10] netlink_rcv_skb+0x130/0x360 [ 7864.846693][ T10] netlink_unicast+0x449/0x710 [ 7864.846693][ T10] netlink_sendmsg+0x723/0xbe0 [ 7864.846693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7864.846693][ T10] ___sys_sendmsg+0xee/0x170 [ 7864.846693][ T10] __sys_sendmsg+0xcd/0x170 [ 7864.846693][ T10] do_syscall_64+0xc6/0x1e0 [ 7864.846693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7864.846693][ T10] [ 7864.848917][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7864.848917][ T10] netdev_get_by_index+0x5e/0x80 [ 7864.848917][ T10] fib6_nh_init+0x3d8/0x1580 [ 7864.848917][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7864.848917][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7864.848917][ T10] ipv6_add_addr+0x411/0x2000 [ 7864.848917][ T10] inet6_addr_add+0x30e/0xa40 [ 7864.848917][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7864.848917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7864.848917][ T10] netlink_rcv_skb+0x130/0x360 [ 7864.848917][ T10] netlink_unicast+0x449/0x710 [ 7864.848917][ T10] netlink_sendmsg+0x723/0xbe0 [ 7864.848917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7864.848917][ T10] ___sys_sendmsg+0xee/0x170 [ 7864.848917][ T10] __sys_sendmsg+0xcd/0x170 [ 7864.848917][ T10] do_syscall_64+0xc6/0x1e0 [ 7864.848917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7864.848917][ T10] [ 7864.851080][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7864.851080][ T10] netdev_get_by_index+0x5e/0x80 [ 7864.851080][ T10] fib6_nh_init+0x3d8/0x1580 [ 7864.851080][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7864.851080][ T10] ip6_route_add+0x1c/0x140 [ 7864.851080][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7864.851080][ T10] addrconf_add_dev+0xe2/0x170 [ 7864.851080][ T10] inet6_addr_add+0x12f/0xa40 [ 7864.851080][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7864.851080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7864.851080][ T10] netlink_rcv_skb+0x130/0x360 [ 7864.851080][ T10] netlink_unicast+0x449/0x710 [ 7864.851080][ T10] netlink_sendmsg+0x723/0xbe0 [ 7864.851080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7864.851080][ T10] ___sys_sendmsg+0xee/0x170 [ 7864.851080][ T10] __sys_sendmsg+0xcd/0x170 [ 7864.851080][ T10] do_syscall_64+0xc6/0x1e0 [ 7864.851080][ T10] [ 7864.853337][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7864.853337][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7864.853337][ T10] ipv6_find_idev+0x102/0x170 [ 7864.853337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7864.853337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7864.853337][ T10] netlink_rcv_skb+0x130/0x360 [ 7864.853337][ T10] netlink_unicast+0x449/0x710 [ 7864.853337][ T10] netlink_sendmsg+0x723/0xbe0 [ 7864.853337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7864.853337][ T10] ___sys_sendmsg+0xee/0x170 [ 7864.853337][ T10] __sys_sendmsg+0xcd/0x170 [ 7864.853337][ T10] do_syscall_64+0xc6/0x1e0 [ 7864.853337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7864.853337][ T10] [ 7864.855049][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7864.855049][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7864.855049][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7864.855049][ T10] ipv6_find_idev+0x102/0x170 [ 7864.855049][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7864.855049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7864.855049][ T10] netlink_rcv_skb+0x130/0x360 [ 7864.855049][ T10] netlink_unicast+0x449/0x710 [ 7864.855049][ T10] netlink_sendmsg+0x723/0xbe0 [ 7864.855049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7864.855049][ T10] ___sys_sendmsg+0xee/0x170 [ 7864.855049][ T10] __sys_sendmsg+0xcd/0x170 [ 7864.855049][ T10] do_syscall_64+0xc6/0x1e0 [ 7864.855049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7864.855049][ T10] [ 7865.465045][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7865.465495][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7865.465495][ T1167] dst_init+0x84/0x4a0 [ 7865.465495][ T1167] dst_alloc+0x97/0x150 [ 7865.465495][ T1167] ip6_dst_alloc+0x23/0x90 [ 7865.465495][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7865.465495][ T1167] ip6_pol_route+0x56f/0x840 [ 7865.465495][ T1167] fib6_rule_lookup+0x334/0x630 [ 7865.465495][ T1167] ip6_route_output_flags+0x259/0x480 [ 7865.465495][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7865.465495][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7865.465495][ T1167] netlink_rcv_skb+0x130/0x360 [ 7865.465495][ T1167] netlink_unicast+0x449/0x710 [ 7865.465495][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7865.465495][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7865.465495][ T1167] ___sys_sendmsg+0xee/0x170 [ 7865.465495][ T1167] __sys_sendmsg+0xcd/0x170 [ 7865.465495][ T1167] do_syscall_64+0xc6/0x1e0 [ 7865.465495][ T1167] [ 7865.467664][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7865.467664][ T1167] netdev_get_by_index+0x5e/0x80 [ 7865.467664][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7865.467664][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7865.467664][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7865.467664][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7865.467664][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7865.467664][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7865.467664][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7865.467664][ T1167] addrconf_dad_begin+0x310/0x670 [ 7865.467664][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7865.467664][ T1167] process_one_work+0x84d/0x18a0 [ 7865.467664][ T1167] worker_thread+0x587/0xd30 [ 7865.467664][ T1167] kthread+0x28a/0x350 [ 7865.467664][ T1167] ret_from_fork+0x31/0x70 [ 7865.467664][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7865.467664][ T1167] [ 7865.469792][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7865.469792][ T1167] netdev_get_by_index+0x5e/0x80 [ 7865.469792][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7865.469792][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7865.469792][ T1167] ip6_route_add+0x1c/0x140 [ 7865.469792][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7865.469792][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7865.469792][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7865.469792][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7865.469792][ T1167] netlink_rcv_skb+0x130/0x360 [ 7865.469792][ T1167] netlink_unicast+0x449/0x710 [ 7865.469792][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7865.469792][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7865.469792][ T1167] ___sys_sendmsg+0xee/0x170 [ 7865.469792][ T1167] __sys_sendmsg+0xcd/0x170 [ 7865.469792][ T1167] do_syscall_64+0xc6/0x1e0 [ 7865.469792][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7865.469792][ T1167] [ 7865.472023][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7865.472023][ T1167] netdev_get_by_index+0x5e/0x80 [ 7865.472023][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7865.472023][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7865.472023][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7865.472023][ T1167] ipv6_add_addr+0x411/0x2000 [ 7865.472023][ T1167] inet6_addr_add+0x30e/0xa40 [ 7865.472023][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7865.472023][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7865.472023][ T1167] netlink_rcv_skb+0x130/0x360 [ 7865.472023][ T1167] netlink_unicast+0x449/0x710 [ 7865.472023][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7865.472023][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7865.472023][ T1167] ___sys_sendmsg+0xee/0x170 [ 7865.472023][ T1167] __sys_sendmsg+0xcd/0x170 [ 7865.472023][ T1167] do_syscall_64+0xc6/0x1e0 [ 7865.472023][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7865.472023][ T1167] [ 7865.474251][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7865.474251][ T1167] netdev_get_by_index+0x5e/0x80 [ 7865.474251][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7865.474251][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7865.474251][ T1167] ip6_route_add+0x1c/0x140 [ 7865.474251][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7865.474251][ T1167] addrconf_add_dev+0xe2/0x170 [ 7865.474251][ T1167] inet6_addr_add+0x12f/0xa40 [ 7865.474251][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7865.474251][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7865.474251][ T1167] netlink_rcv_skb+0x130/0x360 [ 7865.474251][ T1167] netlink_unicast+0x449/0x710 [ 7865.474251][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7865.474251][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7865.474251][ T1167] ___sys_sendmsg+0xee/0x170 [ 7865.474251][ T1167] __sys_sendmsg+0xcd/0x170 [ 7865.474251][ T1167] do_syscall_64+0xc6/0x1e0 [ 7865.474251][ T1167] [ 7865.476440][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7865.476440][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7865.476440][ T1167] ipv6_find_idev+0x102/0x170 [ 7865.476440][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7865.476440][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7865.476440][ T1167] netlink_rcv_skb+0x130/0x360 [ 7865.476440][ T1167] netlink_unicast+0x449/0x710 [ 7865.476440][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7865.476440][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7865.476440][ T1167] ___sys_sendmsg+0xee/0x170 [ 7865.476440][ T1167] __sys_sendmsg+0xcd/0x170 [ 7865.476440][ T1167] do_syscall_64+0xc6/0x1e0 [ 7865.476440][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7865.476440][ T1167] [ 7865.478153][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7865.478153][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7865.478153][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7865.478153][ T1167] ipv6_find_idev+0x102/0x170 [ 7865.478153][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7865.478153][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7865.478153][ T1167] netlink_rcv_skb+0x130/0x360 [ 7865.478153][ T1167] netlink_unicast+0x449/0x710 [ 7865.478153][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7865.478153][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7865.478153][ T1167] ___sys_sendmsg+0xee/0x170 [ 7865.478153][ T1167] __sys_sendmsg+0xcd/0x170 [ 7865.478153][ T1167] do_syscall_64+0xc6/0x1e0 [ 7865.478153][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7865.478153][ T1167] [ 7874.865113][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7874.865472][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7874.865472][ T10] netdev_get_by_index+0x5e/0x80 [ 7874.865472][ T10] fib6_nh_init+0x3d8/0x1580 [ 7874.865472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7874.865472][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7874.865472][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7874.865472][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7874.865472][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7874.865472][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7874.865472][ T10] addrconf_dad_begin+0x310/0x670 [ 7874.865472][ T10] addrconf_dad_work+0x10b/0xab0 [ 7874.865472][ T10] process_one_work+0x84d/0x18a0 [ 7874.865472][ T10] worker_thread+0x587/0xd30 [ 7874.865472][ T10] kthread+0x28a/0x350 [ 7874.865472][ T10] ret_from_fork+0x31/0x70 [ 7874.865472][ T10] ret_from_fork_asm+0x1a/0x30 [ 7874.865472][ T10] [ 7874.867403][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7874.867403][ T10] netdev_get_by_index+0x5e/0x80 [ 7874.867403][ T10] fib6_nh_init+0x3d8/0x1580 [ 7874.867403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7874.867403][ T10] ip6_route_add+0x1c/0x140 [ 7874.867403][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7874.867403][ T10] inet6_addr_add+0x4f8/0xa40 [ 7874.867403][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7874.867403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7874.867403][ T10] netlink_rcv_skb+0x130/0x360 [ 7874.867403][ T10] netlink_unicast+0x449/0x710 [ 7874.867403][ T10] netlink_sendmsg+0x723/0xbe0 [ 7874.867403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7874.867403][ T10] ___sys_sendmsg+0xee/0x170 [ 7874.867403][ T10] __sys_sendmsg+0xcd/0x170 [ 7874.867403][ T10] do_syscall_64+0xc6/0x1e0 [ 7874.867403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7874.867403][ T10] [ 7874.869380][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7874.869380][ T10] netdev_get_by_index+0x5e/0x80 [ 7874.869380][ T10] fib6_nh_init+0x3d8/0x1580 [ 7874.869380][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7874.869380][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7874.869380][ T10] ipv6_add_addr+0x411/0x2000 [ 7874.869380][ T10] inet6_addr_add+0x30e/0xa40 [ 7874.869380][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7874.869380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7874.869380][ T10] netlink_rcv_skb+0x130/0x360 [ 7874.869380][ T10] netlink_unicast+0x449/0x710 [ 7874.869380][ T10] netlink_sendmsg+0x723/0xbe0 [ 7874.869380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7874.869380][ T10] ___sys_sendmsg+0xee/0x170 [ 7874.869380][ T10] __sys_sendmsg+0xcd/0x170 [ 7874.869380][ T10] do_syscall_64+0xc6/0x1e0 [ 7874.869380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7874.869380][ T10] [ 7874.871400][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7874.871400][ T10] netdev_get_by_index+0x5e/0x80 [ 7874.871400][ T10] fib6_nh_init+0x3d8/0x1580 [ 7874.871400][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7874.871400][ T10] ip6_route_add+0x1c/0x140 [ 7874.871400][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7874.871400][ T10] addrconf_add_dev+0xe2/0x170 [ 7874.871400][ T10] inet6_addr_add+0x12f/0xa40 [ 7874.871400][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7874.871400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7874.871400][ T10] netlink_rcv_skb+0x130/0x360 [ 7874.871400][ T10] netlink_unicast+0x449/0x710 [ 7874.871400][ T10] netlink_sendmsg+0x723/0xbe0 [ 7874.871400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7874.871400][ T10] ___sys_sendmsg+0xee/0x170 [ 7874.871400][ T10] __sys_sendmsg+0xcd/0x170 [ 7874.871400][ T10] do_syscall_64+0xc6/0x1e0 [ 7874.871400][ T10] [ 7874.873361][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7874.873361][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7874.873361][ T10] ipv6_find_idev+0x102/0x170 [ 7874.873361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7874.873361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7874.873361][ T10] netlink_rcv_skb+0x130/0x360 [ 7874.873361][ T10] netlink_unicast+0x449/0x710 [ 7874.873361][ T10] netlink_sendmsg+0x723/0xbe0 [ 7874.873361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7874.873361][ T10] ___sys_sendmsg+0xee/0x170 [ 7874.873361][ T10] __sys_sendmsg+0xcd/0x170 [ 7874.873361][ T10] do_syscall_64+0xc6/0x1e0 [ 7874.873361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7874.873361][ T10] [ 7874.874896][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7874.874896][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7874.874896][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7874.874896][ T10] ipv6_find_idev+0x102/0x170 [ 7874.874896][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7874.874896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7874.874896][ T10] netlink_rcv_skb+0x130/0x360 [ 7874.874896][ T10] netlink_unicast+0x449/0x710 [ 7874.874896][ T10] netlink_sendmsg+0x723/0xbe0 [ 7874.874896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7874.874896][ T10] ___sys_sendmsg+0xee/0x170 [ 7874.874896][ T10] __sys_sendmsg+0xcd/0x170 [ 7874.874896][ T10] do_syscall_64+0xc6/0x1e0 [ 7874.874896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7874.874896][ T10] [ 7874.876568][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7874.876807][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7874.876807][ T10] netdev_get_by_index+0x5e/0x80 [ 7874.876807][ T10] fib6_nh_init+0x3d8/0x1580 [ 7874.876807][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7874.876807][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7874.876807][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7874.876807][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7874.876807][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7874.876807][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7874.876807][ T10] addrconf_dad_begin+0x310/0x670 [ 7874.876807][ T10] addrconf_dad_work+0x10b/0xab0 [ 7874.876807][ T10] process_one_work+0x84d/0x18a0 [ 7874.876807][ T10] worker_thread+0x587/0xd30 [ 7874.876807][ T10] kthread+0x28a/0x350 [ 7874.876807][ T10] ret_from_fork+0x31/0x70 [ 7874.876807][ T10] ret_from_fork_asm+0x1a/0x30 [ 7874.876807][ T10] [ 7874.878698][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7874.878698][ T10] netdev_get_by_index+0x5e/0x80 [ 7874.878698][ T10] fib6_nh_init+0x3d8/0x1580 [ 7874.878698][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7874.878698][ T10] ip6_route_add+0x1c/0x140 [ 7874.878698][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7874.878698][ T10] inet6_addr_add+0x4f8/0xa40 [ 7874.878698][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7874.878698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7874.878698][ T10] netlink_rcv_skb+0x130/0x360 [ 7874.878698][ T10] netlink_unicast+0x449/0x710 [ 7874.878698][ T10] netlink_sendmsg+0x723/0xbe0 [ 7874.878698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7874.878698][ T10] ___sys_sendmsg+0xee/0x170 [ 7874.878698][ T10] __sys_sendmsg+0xcd/0x170 [ 7874.878698][ T10] do_syscall_64+0xc6/0x1e0 [ 7874.878698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7874.878698][ T10] [ 7874.880770][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7874.880770][ T10] netdev_get_by_index+0x5e/0x80 [ 7874.880770][ T10] fib6_nh_init+0x3d8/0x1580 [ 7874.880770][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7874.880770][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7874.880770][ T10] ipv6_add_addr+0x411/0x2000 [ 7874.880770][ T10] inet6_addr_add+0x30e/0xa40 [ 7874.880770][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7874.880770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7874.880770][ T10] netlink_rcv_skb+0x130/0x360 [ 7874.880770][ T10] netlink_unicast+0x449/0x710 [ 7874.880770][ T10] netlink_sendmsg+0x723/0xbe0 [ 7874.880770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7874.880770][ T10] ___sys_sendmsg+0xee/0x170 [ 7874.880770][ T10] __sys_sendmsg+0xcd/0x170 [ 7874.880770][ T10] do_syscall_64+0xc6/0x1e0 [ 7874.880770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7874.880770][ T10] [ 7874.882763][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7874.882763][ T10] netdev_get_by_index+0x5e/0x80 [ 7874.882763][ T10] fib6_nh_init+0x3d8/0x1580 [ 7874.882763][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7874.882763][ T10] ip6_route_add+0x1c/0x140 [ 7874.882763][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7874.882763][ T10] addrconf_add_dev+0xe2/0x170 [ 7874.882763][ T10] inet6_addr_add+0x12f/0xa40 [ 7874.882763][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7874.882763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7874.882763][ T10] netlink_rcv_skb+0x130/0x360 [ 7874.882763][ T10] netlink_unicast+0x449/0x710 [ 7874.882763][ T10] netlink_sendmsg+0x723/0xbe0 [ 7874.882763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7874.882763][ T10] ___sys_sendmsg+0xee/0x170 [ 7874.882763][ T10] __sys_sendmsg+0xcd/0x170 [ 7874.882763][ T10] do_syscall_64+0xc6/0x1e0 [ 7874.882763][ T10] [ 7874.884719][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7874.884719][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7874.884719][ T10] ipv6_find_idev+0x102/0x170 [ 7874.884719][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7874.884719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7874.884719][ T10] netlink_rcv_skb+0x130/0x360 [ 7874.884719][ T10] netlink_unicast+0x449/0x710 [ 7874.884719][ T10] netlink_sendmsg+0x723/0xbe0 [ 7874.884719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7874.884719][ T10] ___sys_sendmsg+0xee/0x170 [ 7874.884719][ T10] __sys_sendmsg+0xcd/0x170 [ 7874.884719][ T10] do_syscall_64+0xc6/0x1e0 [ 7874.884719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7874.884719][ T10] [ 7874.886250][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7874.886250][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7874.886250][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7874.886250][ T10] ipv6_find_idev+0x102/0x170 [ 7874.886250][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7874.886250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7874.886250][ T10] netlink_rcv_skb+0x130/0x360 [ 7874.886250][ T10] netlink_unicast+0x449/0x710 [ 7874.886250][ T10] netlink_sendmsg+0x723/0xbe0 [ 7874.886250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7874.886250][ T10] ___sys_sendmsg+0xee/0x170 [ 7874.886250][ T10] __sys_sendmsg+0xcd/0x170 [ 7874.886250][ T10] do_syscall_64+0xc6/0x1e0 [ 7874.886250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7874.886250][ T10] [ 7874.887926][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7874.888171][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7874.888171][ T10] netdev_get_by_index+0x5e/0x80 [ 7874.888171][ T10] fib6_nh_init+0x3d8/0x1580 [ 7874.888171][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7874.888171][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7874.888171][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7874.888171][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7874.888171][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7874.888171][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7874.888171][ T10] addrconf_dad_begin+0x310/0x670 [ 7874.888171][ T10] addrconf_dad_work+0x10b/0xab0 [ 7874.888171][ T10] process_one_work+0x84d/0x18a0 [ 7874.888171][ T10] worker_thread+0x587/0xd30 [ 7874.888171][ T10] kthread+0x28a/0x350 [ 7874.888171][ T10] ret_from_fork+0x31/0x70 [ 7874.888171][ T10] ret_from_fork_asm+0x1a/0x30 [ 7874.888171][ T10] [ 7874.890068][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7874.890068][ T10] netdev_get_by_index+0x5e/0x80 [ 7874.890068][ T10] fib6_nh_init+0x3d8/0x1580 [ 7874.890068][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7874.890068][ T10] ip6_route_add+0x1c/0x140 [ 7874.890068][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7874.890068][ T10] inet6_addr_add+0x4f8/0xa40 [ 7874.890068][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7874.890068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7874.890068][ T10] netlink_rcv_skb+0x130/0x360 [ 7874.890068][ T10] netlink_unicast+0x449/0x710 [ 7874.890068][ T10] netlink_sendmsg+0x723/0xbe0 [ 7874.890068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7874.890068][ T10] ___sys_sendmsg+0xee/0x170 [ 7874.890068][ T10] __sys_sendmsg+0xcd/0x170 [ 7874.890068][ T10] do_syscall_64+0xc6/0x1e0 [ 7874.890068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7874.890068][ T10] [ 7874.892186][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7874.892186][ T10] netdev_get_by_index+0x5e/0x80 [ 7874.892186][ T10] fib6_nh_init+0x3d8/0x1580 [ 7874.892186][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7874.892186][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7874.892186][ T10] ipv6_add_addr+0x411/0x2000 [ 7874.892186][ T10] inet6_addr_add+0x30e/0xa40 [ 7874.892186][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7874.892186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7874.892186][ T10] netlink_rcv_skb+0x130/0x360 [ 7874.892186][ T10] netlink_unicast+0x449/0x710 [ 7874.892186][ T10] netlink_sendmsg+0x723/0xbe0 [ 7874.892186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7874.892186][ T10] ___sys_sendmsg+0xee/0x170 [ 7874.892186][ T10] __sys_sendmsg+0xcd/0x170 [ 7874.892186][ T10] do_syscall_64+0xc6/0x1e0 [ 7874.892186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7874.892186][ T10] [ 7874.894299][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7874.894299][ T10] netdev_get_by_index+0x5e/0x80 [ 7874.894299][ T10] fib6_nh_init+0x3d8/0x1580 [ 7874.894299][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7874.894299][ T10] ip6_route_add+0x1c/0x140 [ 7874.894299][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7874.894299][ T10] addrconf_add_dev+0xe2/0x170 [ 7874.894299][ T10] inet6_addr_add+0x12f/0xa40 [ 7874.894299][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7874.894299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7874.894299][ T10] netlink_rcv_skb+0x130/0x360 [ 7874.894299][ T10] netlink_unicast+0x449/0x710 [ 7874.894299][ T10] netlink_sendmsg+0x723/0xbe0 [ 7874.894299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7874.894299][ T10] ___sys_sendmsg+0xee/0x170 [ 7874.894299][ T10] __sys_sendmsg+0xcd/0x170 [ 7874.894299][ T10] do_syscall_64+0xc6/0x1e0 [ 7874.894299][ T10] [ 7874.896370][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7874.896370][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7874.896370][ T10] ipv6_find_idev+0x102/0x170 [ 7874.896370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7874.896370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7874.896370][ T10] netlink_rcv_skb+0x130/0x360 [ 7874.896370][ T10] netlink_unicast+0x449/0x710 [ 7874.896370][ T10] netlink_sendmsg+0x723/0xbe0 [ 7874.896370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7874.896370][ T10] ___sys_sendmsg+0xee/0x170 [ 7874.896370][ T10] __sys_sendmsg+0xcd/0x170 [ 7874.896370][ T10] do_syscall_64+0xc6/0x1e0 [ 7874.896370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7874.896370][ T10] [ 7874.898024][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7874.898024][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7874.898024][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7874.898024][ T10] ipv6_find_idev+0x102/0x170 [ 7874.898024][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7874.898024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7874.898024][ T10] netlink_rcv_skb+0x130/0x360 [ 7874.898024][ T10] netlink_unicast+0x449/0x710 [ 7874.898024][ T10] netlink_sendmsg+0x723/0xbe0 [ 7874.898024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7874.898024][ T10] ___sys_sendmsg+0xee/0x170 [ 7874.898024][ T10] __sys_sendmsg+0xcd/0x170 [ 7874.898024][ T10] do_syscall_64+0xc6/0x1e0 [ 7874.898024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7874.898024][ T10] [ 7874.899763][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7874.899997][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7874.899997][ T10] netdev_get_by_index+0x5e/0x80 [ 7874.899997][ T10] fib6_nh_init+0x3d8/0x1580 [ 7874.899997][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7874.899997][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7874.899997][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7874.899997][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7874.899997][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7874.899997][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7874.899997][ T10] addrconf_dad_begin+0x310/0x670 [ 7874.899997][ T10] addrconf_dad_work+0x10b/0xab0 [ 7874.899997][ T10] process_one_work+0x84d/0x18a0 [ 7874.899997][ T10] worker_thread+0x587/0xd30 [ 7874.899997][ T10] kthread+0x28a/0x350 [ 7874.899997][ T10] ret_from_fork+0x31/0x70 [ 7874.899997][ T10] ret_from_fork_asm+0x1a/0x30 [ 7874.899997][ T10] [ 7874.902028][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7874.902028][ T10] netdev_get_by_index+0x5e/0x80 [ 7874.902028][ T10] fib6_nh_init+0x3d8/0x1580 [ 7874.902028][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7874.902028][ T10] ip6_route_add+0x1c/0x140 [ 7874.902028][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7874.902028][ T10] inet6_addr_add+0x4f8/0xa40 [ 7874.902028][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7874.902028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7874.902028][ T10] netlink_rcv_skb+0x130/0x360 [ 7874.902028][ T10] netlink_unicast+0x449/0x710 [ 7874.902028][ T10] netlink_sendmsg+0x723/0xbe0 [ 7874.902028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7874.902028][ T10] ___sys_sendmsg+0xee/0x170 [ 7874.902028][ T10] __sys_sendmsg+0xcd/0x170 [ 7874.902028][ T10] do_syscall_64+0xc6/0x1e0 [ 7874.902028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7874.902028][ T10] [ 7874.904134][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7874.904134][ T10] netdev_get_by_index+0x5e/0x80 [ 7874.904134][ T10] fib6_nh_init+0x3d8/0x1580 [ 7874.904134][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7874.904134][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7874.904134][ T10] ipv6_add_addr+0x411/0x2000 [ 7874.904134][ T10] inet6_addr_add+0x30e/0xa40 [ 7874.904134][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7874.904134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7874.904134][ T10] netlink_rcv_skb+0x130/0x360 [ 7874.904134][ T10] netlink_unicast+0x449/0x710 [ 7874.904134][ T10] netlink_sendmsg+0x723/0xbe0 [ 7874.904134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7874.904134][ T10] ___sys_sendmsg+0xee/0x170 [ 7874.904134][ T10] __sys_sendmsg+0xcd/0x170 [ 7874.904134][ T10] do_syscall_64+0xc6/0x1e0 [ 7874.904134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7874.904134][ T10] [ 7874.906252][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7874.906252][ T10] netdev_get_by_index+0x5e/0x80 [ 7874.906252][ T10] fib6_nh_init+0x3d8/0x1580 [ 7874.906252][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7874.906252][ T10] ip6_route_add+0x1c/0x140 [ 7874.906252][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7874.906252][ T10] addrconf_add_dev+0xe2/0x170 [ 7874.906252][ T10] inet6_addr_add+0x12f/0xa40 [ 7874.906252][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7874.906252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7874.906252][ T10] netlink_rcv_skb+0x130/0x360 [ 7874.906252][ T10] netlink_unicast+0x449/0x710 [ 7874.906252][ T10] netlink_sendmsg+0x723/0xbe0 [ 7874.906252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7874.906252][ T10] ___sys_sendmsg+0xee/0x170 [ 7874.906252][ T10] __sys_sendmsg+0xcd/0x170 [ 7874.906252][ T10] do_syscall_64+0xc6/0x1e0 [ 7874.906252][ T10] [ 7874.908318][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7874.908318][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7874.908318][ T10] ipv6_find_idev+0x102/0x170 [ 7874.908318][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7874.908318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7874.908318][ T10] netlink_rcv_skb+0x130/0x360 [ 7874.908318][ T10] netlink_unicast+0x449/0x710 [ 7874.908318][ T10] netlink_sendmsg+0x723/0xbe0 [ 7874.908318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7874.908318][ T10] ___sys_sendmsg+0xee/0x170 [ 7874.908318][ T10] __sys_sendmsg+0xcd/0x170 [ 7874.908318][ T10] do_syscall_64+0xc6/0x1e0 [ 7874.908318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7874.908318][ T10] [ 7874.909907][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7874.909907][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7874.909907][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7874.909907][ T10] ipv6_find_idev+0x102/0x170 [ 7874.909907][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7874.909907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7874.909907][ T10] netlink_rcv_skb+0x130/0x360 [ 7874.909907][ T10] netlink_unicast+0x449/0x710 [ 7874.909907][ T10] netlink_sendmsg+0x723/0xbe0 [ 7874.909907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7874.909907][ T10] ___sys_sendmsg+0xee/0x170 [ 7874.909907][ T10] __sys_sendmsg+0xcd/0x170 [ 7874.909907][ T10] do_syscall_64+0xc6/0x1e0 [ 7874.909907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7874.909907][ T10] [ 7875.633104][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7875.633465][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7875.633465][ T1167] dst_init+0x84/0x4a0 [ 7875.633465][ T1167] dst_alloc+0x97/0x150 [ 7875.633465][ T1167] ip6_dst_alloc+0x23/0x90 [ 7875.633465][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7875.633465][ T1167] ip6_pol_route+0x56f/0x840 [ 7875.633465][ T1167] fib6_rule_lookup+0x334/0x630 [ 7875.633465][ T1167] ip6_route_output_flags+0x259/0x480 [ 7875.633465][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7875.633465][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7875.633465][ T1167] netlink_rcv_skb+0x130/0x360 [ 7875.633465][ T1167] netlink_unicast+0x449/0x710 [ 7875.633465][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7875.633465][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7875.633465][ T1167] ___sys_sendmsg+0xee/0x170 [ 7875.633465][ T1167] __sys_sendmsg+0xcd/0x170 [ 7875.633465][ T1167] do_syscall_64+0xc6/0x1e0 [ 7875.633465][ T1167] [ 7875.635644][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7875.635644][ T1167] netdev_get_by_index+0x5e/0x80 [ 7875.635644][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7875.635644][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7875.635644][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7875.635644][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7875.635644][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7875.635644][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7875.635644][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7875.635644][ T1167] addrconf_dad_begin+0x310/0x670 [ 7875.635644][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7875.635644][ T1167] process_one_work+0x84d/0x18a0 [ 7875.635644][ T1167] worker_thread+0x587/0xd30 [ 7875.635644][ T1167] kthread+0x28a/0x350 [ 7875.635644][ T1167] ret_from_fork+0x31/0x70 [ 7875.635644][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7875.635644][ T1167] [ 7875.637780][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7875.637780][ T1167] netdev_get_by_index+0x5e/0x80 [ 7875.637780][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7875.637780][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7875.637780][ T1167] ip6_route_add+0x1c/0x140 [ 7875.637780][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7875.637780][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7875.637780][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7875.637780][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7875.637780][ T1167] netlink_rcv_skb+0x130/0x360 [ 7875.637780][ T1167] netlink_unicast+0x449/0x710 [ 7875.637780][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7875.637780][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7875.637780][ T1167] ___sys_sendmsg+0xee/0x170 [ 7875.637780][ T1167] __sys_sendmsg+0xcd/0x170 [ 7875.637780][ T1167] do_syscall_64+0xc6/0x1e0 [ 7875.637780][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7875.637780][ T1167] [ 7875.640009][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7875.640009][ T1167] netdev_get_by_index+0x5e/0x80 [ 7875.640009][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7875.640009][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7875.640009][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7875.640009][ T1167] ipv6_add_addr+0x411/0x2000 [ 7875.640009][ T1167] inet6_addr_add+0x30e/0xa40 [ 7875.640009][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7875.640009][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7875.640009][ T1167] netlink_rcv_skb+0x130/0x360 [ 7875.640009][ T1167] netlink_unicast+0x449/0x710 [ 7875.640009][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7875.640009][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7875.640009][ T1167] ___sys_sendmsg+0xee/0x170 [ 7875.640009][ T1167] __sys_sendmsg+0xcd/0x170 [ 7875.640009][ T1167] do_syscall_64+0xc6/0x1e0 [ 7875.640009][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7875.640009][ T1167] [ 7875.642264][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7875.642264][ T1167] netdev_get_by_index+0x5e/0x80 [ 7875.642264][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7875.642264][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7875.642264][ T1167] ip6_route_add+0x1c/0x140 [ 7875.642264][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7875.642264][ T1167] addrconf_add_dev+0xe2/0x170 [ 7875.642264][ T1167] inet6_addr_add+0x12f/0xa40 [ 7875.642264][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7875.642264][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7875.642264][ T1167] netlink_rcv_skb+0x130/0x360 [ 7875.642264][ T1167] netlink_unicast+0x449/0x710 [ 7875.642264][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7875.642264][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7875.642264][ T1167] ___sys_sendmsg+0xee/0x170 [ 7875.642264][ T1167] __sys_sendmsg+0xcd/0x170 [ 7875.642264][ T1167] do_syscall_64+0xc6/0x1e0 [ 7875.642264][ T1167] [ 7875.644458][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7875.644458][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7875.644458][ T1167] ipv6_find_idev+0x102/0x170 [ 7875.644458][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7875.644458][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7875.644458][ T1167] netlink_rcv_skb+0x130/0x360 [ 7875.644458][ T1167] netlink_unicast+0x449/0x710 [ 7875.644458][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7875.644458][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7875.644458][ T1167] ___sys_sendmsg+0xee/0x170 [ 7875.644458][ T1167] __sys_sendmsg+0xcd/0x170 [ 7875.644458][ T1167] do_syscall_64+0xc6/0x1e0 [ 7875.644458][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7875.644458][ T1167] [ 7875.646175][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7875.646175][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7875.646175][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7875.646175][ T1167] ipv6_find_idev+0x102/0x170 [ 7875.646175][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7875.646175][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7875.646175][ T1167] netlink_rcv_skb+0x130/0x360 [ 7875.646175][ T1167] netlink_unicast+0x449/0x710 [ 7875.646175][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7875.646175][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7875.646175][ T1167] ___sys_sendmsg+0xee/0x170 [ 7875.646175][ T1167] __sys_sendmsg+0xcd/0x170 [ 7875.646175][ T1167] do_syscall_64+0xc6/0x1e0 [ 7875.646175][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7875.646175][ T1167] [ 7884.913106][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7884.913452][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7884.913452][ T10] netdev_get_by_index+0x5e/0x80 [ 7884.913452][ T10] fib6_nh_init+0x3d8/0x1580 [ 7884.913452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7884.913452][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7884.913452][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7884.913452][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7884.913452][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7884.913452][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7884.913452][ T10] addrconf_dad_begin+0x310/0x670 [ 7884.913452][ T10] addrconf_dad_work+0x10b/0xab0 [ 7884.913452][ T10] process_one_work+0x84d/0x18a0 [ 7884.913452][ T10] worker_thread+0x587/0xd30 [ 7884.913452][ T10] kthread+0x28a/0x350 [ 7884.913452][ T10] ret_from_fork+0x31/0x70 [ 7884.913452][ T10] ret_from_fork_asm+0x1a/0x30 [ 7884.913452][ T10] [ 7884.915380][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7884.915380][ T10] netdev_get_by_index+0x5e/0x80 [ 7884.915380][ T10] fib6_nh_init+0x3d8/0x1580 [ 7884.915380][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7884.915380][ T10] ip6_route_add+0x1c/0x140 [ 7884.915380][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7884.915380][ T10] inet6_addr_add+0x4f8/0xa40 [ 7884.915380][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7884.915380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7884.915380][ T10] netlink_rcv_skb+0x130/0x360 [ 7884.915380][ T10] netlink_unicast+0x449/0x710 [ 7884.915380][ T10] netlink_sendmsg+0x723/0xbe0 [ 7884.915380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7884.915380][ T10] ___sys_sendmsg+0xee/0x170 [ 7884.915380][ T10] __sys_sendmsg+0xcd/0x170 [ 7884.915380][ T10] do_syscall_64+0xc6/0x1e0 [ 7884.915380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7884.915380][ T10] [ 7884.917372][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7884.917372][ T10] netdev_get_by_index+0x5e/0x80 [ 7884.917372][ T10] fib6_nh_init+0x3d8/0x1580 [ 7884.917372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7884.917372][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7884.917372][ T10] ipv6_add_addr+0x411/0x2000 [ 7884.917372][ T10] inet6_addr_add+0x30e/0xa40 [ 7884.917372][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7884.917372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7884.917372][ T10] netlink_rcv_skb+0x130/0x360 [ 7884.917372][ T10] netlink_unicast+0x449/0x710 [ 7884.917372][ T10] netlink_sendmsg+0x723/0xbe0 [ 7884.917372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7884.917372][ T10] ___sys_sendmsg+0xee/0x170 [ 7884.917372][ T10] __sys_sendmsg+0xcd/0x170 [ 7884.917372][ T10] do_syscall_64+0xc6/0x1e0 [ 7884.917372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7884.917372][ T10] [ 7884.919364][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7884.919364][ T10] netdev_get_by_index+0x5e/0x80 [ 7884.919364][ T10] fib6_nh_init+0x3d8/0x1580 [ 7884.919364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7884.919364][ T10] ip6_route_add+0x1c/0x140 [ 7884.919364][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7884.919364][ T10] addrconf_add_dev+0xe2/0x170 [ 7884.919364][ T10] inet6_addr_add+0x12f/0xa40 [ 7884.919364][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7884.919364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7884.919364][ T10] netlink_rcv_skb+0x130/0x360 [ 7884.919364][ T10] netlink_unicast+0x449/0x710 [ 7884.919364][ T10] netlink_sendmsg+0x723/0xbe0 [ 7884.919364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7884.919364][ T10] ___sys_sendmsg+0xee/0x170 [ 7884.919364][ T10] __sys_sendmsg+0xcd/0x170 [ 7884.919364][ T10] do_syscall_64+0xc6/0x1e0 [ 7884.919364][ T10] [ 7884.921330][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7884.921330][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7884.921330][ T10] ipv6_find_idev+0x102/0x170 [ 7884.921330][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7884.921330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7884.921330][ T10] netlink_rcv_skb+0x130/0x360 [ 7884.921330][ T10] netlink_unicast+0x449/0x710 [ 7884.921330][ T10] netlink_sendmsg+0x723/0xbe0 [ 7884.921330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7884.921330][ T10] ___sys_sendmsg+0xee/0x170 [ 7884.921330][ T10] __sys_sendmsg+0xcd/0x170 [ 7884.921330][ T10] do_syscall_64+0xc6/0x1e0 [ 7884.921330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7884.921330][ T10] [ 7884.922862][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7884.922862][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7884.922862][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7884.922862][ T10] ipv6_find_idev+0x102/0x170 [ 7884.922862][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7884.922862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7884.922862][ T10] netlink_rcv_skb+0x130/0x360 [ 7884.922862][ T10] netlink_unicast+0x449/0x710 [ 7884.922862][ T10] netlink_sendmsg+0x723/0xbe0 [ 7884.922862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7884.922862][ T10] ___sys_sendmsg+0xee/0x170 [ 7884.922862][ T10] __sys_sendmsg+0xcd/0x170 [ 7884.922862][ T10] do_syscall_64+0xc6/0x1e0 [ 7884.922862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7884.922862][ T10] [ 7884.924537][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7884.924810][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7884.924810][ T10] netdev_get_by_index+0x5e/0x80 [ 7884.924810][ T10] fib6_nh_init+0x3d8/0x1580 [ 7884.924810][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7884.924810][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7884.924810][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7884.924810][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7884.924810][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7884.924810][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7884.924810][ T10] addrconf_dad_begin+0x310/0x670 [ 7884.924810][ T10] addrconf_dad_work+0x10b/0xab0 [ 7884.924810][ T10] process_one_work+0x84d/0x18a0 [ 7884.924810][ T10] worker_thread+0x587/0xd30 [ 7884.924810][ T10] kthread+0x28a/0x350 [ 7884.924810][ T10] ret_from_fork+0x31/0x70 [ 7884.924810][ T10] ret_from_fork_asm+0x1a/0x30 [ 7884.924810][ T10] [ 7884.926702][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7884.926702][ T10] netdev_get_by_index+0x5e/0x80 [ 7884.926702][ T10] fib6_nh_init+0x3d8/0x1580 [ 7884.926702][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7884.926702][ T10] ip6_route_add+0x1c/0x140 [ 7884.926702][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7884.926702][ T10] inet6_addr_add+0x4f8/0xa40 [ 7884.926702][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7884.926702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7884.926702][ T10] netlink_rcv_skb+0x130/0x360 [ 7884.926702][ T10] netlink_unicast+0x449/0x710 [ 7884.926702][ T10] netlink_sendmsg+0x723/0xbe0 [ 7884.926702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7884.926702][ T10] ___sys_sendmsg+0xee/0x170 [ 7884.926702][ T10] __sys_sendmsg+0xcd/0x170 [ 7884.926702][ T10] do_syscall_64+0xc6/0x1e0 [ 7884.926702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7884.926702][ T10] [ 7884.928688][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7884.928688][ T10] netdev_get_by_index+0x5e/0x80 [ 7884.928688][ T10] fib6_nh_init+0x3d8/0x1580 [ 7884.928688][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7884.928688][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7884.928688][ T10] ipv6_add_addr+0x411/0x2000 [ 7884.928688][ T10] inet6_addr_add+0x30e/0xa40 [ 7884.928688][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7884.928688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7884.928688][ T10] netlink_rcv_skb+0x130/0x360 [ 7884.928688][ T10] netlink_unicast+0x449/0x710 [ 7884.928688][ T10] netlink_sendmsg+0x723/0xbe0 [ 7884.928688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7884.928688][ T10] ___sys_sendmsg+0xee/0x170 [ 7884.928688][ T10] __sys_sendmsg+0xcd/0x170 [ 7884.928688][ T10] do_syscall_64+0xc6/0x1e0 [ 7884.928688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7884.928688][ T10] [ 7884.930668][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7884.930668][ T10] netdev_get_by_index+0x5e/0x80 [ 7884.930668][ T10] fib6_nh_init+0x3d8/0x1580 [ 7884.930668][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7884.930668][ T10] ip6_route_add+0x1c/0x140 [ 7884.930668][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7884.930668][ T10] addrconf_add_dev+0xe2/0x170 [ 7884.930668][ T10] inet6_addr_add+0x12f/0xa40 [ 7884.930668][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7884.930668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7884.930668][ T10] netlink_rcv_skb+0x130/0x360 [ 7884.930668][ T10] netlink_unicast+0x449/0x710 [ 7884.930668][ T10] netlink_sendmsg+0x723/0xbe0 [ 7884.930668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7884.930668][ T10] ___sys_sendmsg+0xee/0x170 [ 7884.930668][ T10] __sys_sendmsg+0xcd/0x170 [ 7884.930668][ T10] do_syscall_64+0xc6/0x1e0 [ 7884.930668][ T10] [ 7884.932635][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7884.932635][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7884.932635][ T10] ipv6_find_idev+0x102/0x170 [ 7884.932635][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7884.932635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7884.932635][ T10] netlink_rcv_skb+0x130/0x360 [ 7884.932635][ T10] netlink_unicast+0x449/0x710 [ 7884.932635][ T10] netlink_sendmsg+0x723/0xbe0 [ 7884.932635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7884.932635][ T10] ___sys_sendmsg+0xee/0x170 [ 7884.932635][ T10] __sys_sendmsg+0xcd/0x170 [ 7884.932635][ T10] do_syscall_64+0xc6/0x1e0 [ 7884.932635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7884.932635][ T10] [ 7884.934164][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7884.934164][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7884.934164][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7884.934164][ T10] ipv6_find_idev+0x102/0x170 [ 7884.934164][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7884.934164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7884.934164][ T10] netlink_rcv_skb+0x130/0x360 [ 7884.934164][ T10] netlink_unicast+0x449/0x710 [ 7884.934164][ T10] netlink_sendmsg+0x723/0xbe0 [ 7884.934164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7884.934164][ T10] ___sys_sendmsg+0xee/0x170 [ 7884.934164][ T10] __sys_sendmsg+0xcd/0x170 [ 7884.934164][ T10] do_syscall_64+0xc6/0x1e0 [ 7884.934164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7884.934164][ T10] [ 7884.935834][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7884.936079][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7884.936079][ T10] netdev_get_by_index+0x5e/0x80 [ 7884.936079][ T10] fib6_nh_init+0x3d8/0x1580 [ 7884.936079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7884.936079][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7884.936079][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7884.936079][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7884.936079][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7884.936079][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7884.936079][ T10] addrconf_dad_begin+0x310/0x670 [ 7884.936079][ T10] addrconf_dad_work+0x10b/0xab0 [ 7884.936079][ T10] process_one_work+0x84d/0x18a0 [ 7884.936079][ T10] worker_thread+0x587/0xd30 [ 7884.936079][ T10] kthread+0x28a/0x350 [ 7884.936079][ T10] ret_from_fork+0x31/0x70 [ 7884.936079][ T10] ret_from_fork_asm+0x1a/0x30 [ 7884.936079][ T10] [ 7884.937990][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7884.937990][ T10] netdev_get_by_index+0x5e/0x80 [ 7884.937990][ T10] fib6_nh_init+0x3d8/0x1580 [ 7884.937990][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7884.937990][ T10] ip6_route_add+0x1c/0x140 [ 7884.937990][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7884.937990][ T10] inet6_addr_add+0x4f8/0xa40 [ 7884.937990][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7884.937990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7884.937990][ T10] netlink_rcv_skb+0x130/0x360 [ 7884.937990][ T10] netlink_unicast+0x449/0x710 [ 7884.937990][ T10] netlink_sendmsg+0x723/0xbe0 [ 7884.937990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7884.937990][ T10] ___sys_sendmsg+0xee/0x170 [ 7884.937990][ T10] __sys_sendmsg+0xcd/0x170 [ 7884.937990][ T10] do_syscall_64+0xc6/0x1e0 [ 7884.937990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7884.937990][ T10] [ 7884.940161][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7884.940161][ T10] netdev_get_by_index+0x5e/0x80 [ 7884.940161][ T10] fib6_nh_init+0x3d8/0x1580 [ 7884.940161][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7884.940161][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7884.940161][ T10] ipv6_add_addr+0x411/0x2000 [ 7884.940161][ T10] inet6_addr_add+0x30e/0xa40 [ 7884.940161][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7884.940161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7884.940161][ T10] netlink_rcv_skb+0x130/0x360 [ 7884.940161][ T10] netlink_unicast+0x449/0x710 [ 7884.940161][ T10] netlink_sendmsg+0x723/0xbe0 [ 7884.940161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7884.940161][ T10] ___sys_sendmsg+0xee/0x170 [ 7884.940161][ T10] __sys_sendmsg+0xcd/0x170 [ 7884.940161][ T10] do_syscall_64+0xc6/0x1e0 [ 7884.940161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7884.940161][ T10] [ 7884.942396][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7884.942396][ T10] netdev_get_by_index+0x5e/0x80 [ 7884.942396][ T10] fib6_nh_init+0x3d8/0x1580 [ 7884.942396][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7884.942396][ T10] ip6_route_add+0x1c/0x140 [ 7884.942396][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7884.942396][ T10] addrconf_add_dev+0xe2/0x170 [ 7884.942396][ T10] inet6_addr_add+0x12f/0xa40 [ 7884.942396][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7884.942396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7884.942396][ T10] netlink_rcv_skb+0x130/0x360 [ 7884.942396][ T10] netlink_unicast+0x449/0x710 [ 7884.942396][ T10] netlink_sendmsg+0x723/0xbe0 [ 7884.942396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7884.942396][ T10] ___sys_sendmsg+0xee/0x170 [ 7884.942396][ T10] __sys_sendmsg+0xcd/0x170 [ 7884.942396][ T10] do_syscall_64+0xc6/0x1e0 [ 7884.942396][ T10] [ 7884.944649][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7884.944649][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7884.944649][ T10] ipv6_find_idev+0x102/0x170 [ 7884.944649][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7884.944649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7884.944649][ T10] netlink_rcv_skb+0x130/0x360 [ 7884.944649][ T10] netlink_unicast+0x449/0x710 [ 7884.944649][ T10] netlink_sendmsg+0x723/0xbe0 [ 7884.944649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7884.944649][ T10] ___sys_sendmsg+0xee/0x170 [ 7884.944649][ T10] __sys_sendmsg+0xcd/0x170 [ 7884.944649][ T10] do_syscall_64+0xc6/0x1e0 [ 7884.944649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7884.944649][ T10] [ 7884.946356][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7884.946356][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7884.946356][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7884.946356][ T10] ipv6_find_idev+0x102/0x170 [ 7884.946356][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7884.946356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7884.946356][ T10] netlink_rcv_skb+0x130/0x360 [ 7884.946356][ T10] netlink_unicast+0x449/0x710 [ 7884.946356][ T10] netlink_sendmsg+0x723/0xbe0 [ 7884.946356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7884.946356][ T10] ___sys_sendmsg+0xee/0x170 [ 7884.946356][ T10] __sys_sendmsg+0xcd/0x170 [ 7884.946356][ T10] do_syscall_64+0xc6/0x1e0 [ 7884.946356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7884.946356][ T10] [ 7884.948222][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7884.948455][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7884.948455][ T10] netdev_get_by_index+0x5e/0x80 [ 7884.948455][ T10] fib6_nh_init+0x3d8/0x1580 [ 7884.948455][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7884.948455][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7884.948455][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7884.948455][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7884.948455][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7884.948455][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7884.948455][ T10] addrconf_dad_begin+0x310/0x670 [ 7884.948455][ T10] addrconf_dad_work+0x10b/0xab0 [ 7884.948455][ T10] process_one_work+0x84d/0x18a0 [ 7884.948455][ T10] worker_thread+0x587/0xd30 [ 7884.948455][ T10] kthread+0x28a/0x350 [ 7884.948455][ T10] ret_from_fork+0x31/0x70 [ 7884.948455][ T10] ret_from_fork_asm+0x1a/0x30 [ 7884.948455][ T10] [ 7884.950592][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7884.950592][ T10] netdev_get_by_index+0x5e/0x80 [ 7884.950592][ T10] fib6_nh_init+0x3d8/0x1580 [ 7884.950592][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7884.950592][ T10] ip6_route_add+0x1c/0x140 [ 7884.950592][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7884.950592][ T10] inet6_addr_add+0x4f8/0xa40 [ 7884.950592][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7884.950592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7884.950592][ T10] netlink_rcv_skb+0x130/0x360 [ 7884.950592][ T10] netlink_unicast+0x449/0x710 [ 7884.950592][ T10] netlink_sendmsg+0x723/0xbe0 [ 7884.950592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7884.950592][ T10] ___sys_sendmsg+0xee/0x170 [ 7884.950592][ T10] __sys_sendmsg+0xcd/0x170 [ 7884.950592][ T10] do_syscall_64+0xc6/0x1e0 [ 7884.950592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7884.950592][ T10] [ 7884.952885][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7884.952885][ T10] netdev_get_by_index+0x5e/0x80 [ 7884.952885][ T10] fib6_nh_init+0x3d8/0x1580 [ 7884.952885][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7884.952885][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7884.952885][ T10] ipv6_add_addr+0x411/0x2000 [ 7884.952885][ T10] inet6_addr_add+0x30e/0xa40 [ 7884.952885][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7884.952885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7884.952885][ T10] netlink_rcv_skb+0x130/0x360 [ 7884.952885][ T10] netlink_unicast+0x449/0x710 [ 7884.952885][ T10] netlink_sendmsg+0x723/0xbe0 [ 7884.952885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7884.952885][ T10] ___sys_sendmsg+0xee/0x170 [ 7884.952885][ T10] __sys_sendmsg+0xcd/0x170 [ 7884.952885][ T10] do_syscall_64+0xc6/0x1e0 [ 7884.952885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7884.952885][ T10] [ 7884.955104][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7884.955104][ T10] netdev_get_by_index+0x5e/0x80 [ 7884.955104][ T10] fib6_nh_init+0x3d8/0x1580 [ 7884.955104][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7884.955104][ T10] ip6_route_add+0x1c/0x140 [ 7884.955104][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7884.955104][ T10] addrconf_add_dev+0xe2/0x170 [ 7884.955104][ T10] inet6_addr_add+0x12f/0xa40 [ 7884.955104][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7884.955104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7884.955104][ T10] netlink_rcv_skb+0x130/0x360 [ 7884.955104][ T10] netlink_unicast+0x449/0x710 [ 7884.955104][ T10] netlink_sendmsg+0x723/0xbe0 [ 7884.955104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7884.955104][ T10] ___sys_sendmsg+0xee/0x170 [ 7884.955104][ T10] __sys_sendmsg+0xcd/0x170 [ 7884.955104][ T10] do_syscall_64+0xc6/0x1e0 [ 7884.955104][ T10] [ 7884.957238][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7884.957238][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7884.957238][ T10] ipv6_find_idev+0x102/0x170 [ 7884.957238][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7884.957238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7884.957238][ T10] netlink_rcv_skb+0x130/0x360 [ 7884.957238][ T10] netlink_unicast+0x449/0x710 [ 7884.957238][ T10] netlink_sendmsg+0x723/0xbe0 [ 7884.957238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7884.957238][ T10] ___sys_sendmsg+0xee/0x170 [ 7884.957238][ T10] __sys_sendmsg+0xcd/0x170 [ 7884.957238][ T10] do_syscall_64+0xc6/0x1e0 [ 7884.957238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7884.957238][ T10] [ 7884.958947][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7884.958947][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7884.958947][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7884.958947][ T10] ipv6_find_idev+0x102/0x170 [ 7884.958947][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7884.958947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7884.958947][ T10] netlink_rcv_skb+0x130/0x360 [ 7884.958947][ T10] netlink_unicast+0x449/0x710 [ 7884.958947][ T10] netlink_sendmsg+0x723/0xbe0 [ 7884.958947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7884.958947][ T10] ___sys_sendmsg+0xee/0x170 [ 7884.958947][ T10] __sys_sendmsg+0xcd/0x170 [ 7884.958947][ T10] do_syscall_64+0xc6/0x1e0 [ 7884.958947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7884.958947][ T10] [ 7885.889108][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7885.889481][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7885.889481][ T1167] dst_init+0x84/0x4a0 [ 7885.889481][ T1167] dst_alloc+0x97/0x150 [ 7885.889481][ T1167] ip6_dst_alloc+0x23/0x90 [ 7885.889481][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7885.889481][ T1167] ip6_pol_route+0x56f/0x840 [ 7885.889481][ T1167] fib6_rule_lookup+0x334/0x630 [ 7885.889481][ T1167] ip6_route_output_flags+0x259/0x480 [ 7885.889481][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7885.889481][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7885.889481][ T1167] netlink_rcv_skb+0x130/0x360 [ 7885.889481][ T1167] netlink_unicast+0x449/0x710 [ 7885.889481][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7885.889481][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7885.889481][ T1167] ___sys_sendmsg+0xee/0x170 [ 7885.889481][ T1167] __sys_sendmsg+0xcd/0x170 [ 7885.889481][ T1167] do_syscall_64+0xc6/0x1e0 [ 7885.889481][ T1167] [ 7885.891675][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7885.891675][ T1167] netdev_get_by_index+0x5e/0x80 [ 7885.891675][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7885.891675][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7885.891675][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7885.891675][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7885.891675][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7885.891675][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7885.891675][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7885.891675][ T1167] addrconf_dad_begin+0x310/0x670 [ 7885.891675][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7885.891675][ T1167] process_one_work+0x84d/0x18a0 [ 7885.891675][ T1167] worker_thread+0x587/0xd30 [ 7885.891675][ T1167] kthread+0x28a/0x350 [ 7885.891675][ T1167] ret_from_fork+0x31/0x70 [ 7885.891675][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7885.891675][ T1167] [ 7885.893815][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7885.893815][ T1167] netdev_get_by_index+0x5e/0x80 [ 7885.893815][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7885.893815][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7885.893815][ T1167] ip6_route_add+0x1c/0x140 [ 7885.893815][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7885.893815][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7885.893815][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7885.893815][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7885.893815][ T1167] netlink_rcv_skb+0x130/0x360 [ 7885.893815][ T1167] netlink_unicast+0x449/0x710 [ 7885.893815][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7885.893815][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7885.893815][ T1167] ___sys_sendmsg+0xee/0x170 [ 7885.893815][ T1167] __sys_sendmsg+0xcd/0x170 [ 7885.893815][ T1167] do_syscall_64+0xc6/0x1e0 [ 7885.893815][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7885.893815][ T1167] [ 7885.896052][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7885.896052][ T1167] netdev_get_by_index+0x5e/0x80 [ 7885.896052][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7885.896052][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7885.896052][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7885.896052][ T1167] ipv6_add_addr+0x411/0x2000 [ 7885.896052][ T1167] inet6_addr_add+0x30e/0xa40 [ 7885.896052][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7885.896052][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7885.896052][ T1167] netlink_rcv_skb+0x130/0x360 [ 7885.896052][ T1167] netlink_unicast+0x449/0x710 [ 7885.896052][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7885.896052][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7885.896052][ T1167] ___sys_sendmsg+0xee/0x170 [ 7885.896052][ T1167] __sys_sendmsg+0xcd/0x170 [ 7885.896052][ T1167] do_syscall_64+0xc6/0x1e0 [ 7885.896052][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7885.896052][ T1167] [ 7885.898290][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7885.898290][ T1167] netdev_get_by_index+0x5e/0x80 [ 7885.898290][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7885.898290][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7885.898290][ T1167] ip6_route_add+0x1c/0x140 [ 7885.898290][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7885.898290][ T1167] addrconf_add_dev+0xe2/0x170 [ 7885.898290][ T1167] inet6_addr_add+0x12f/0xa40 [ 7885.898290][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7885.898290][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7885.898290][ T1167] netlink_rcv_skb+0x130/0x360 [ 7885.898290][ T1167] netlink_unicast+0x449/0x710 [ 7885.898290][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7885.898290][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7885.898290][ T1167] ___sys_sendmsg+0xee/0x170 [ 7885.898290][ T1167] __sys_sendmsg+0xcd/0x170 [ 7885.898290][ T1167] do_syscall_64+0xc6/0x1e0 [ 7885.898290][ T1167] [ 7885.900499][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7885.900499][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7885.900499][ T1167] ipv6_find_idev+0x102/0x170 [ 7885.900499][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7885.900499][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7885.900499][ T1167] netlink_rcv_skb+0x130/0x360 [ 7885.900499][ T1167] netlink_unicast+0x449/0x710 [ 7885.900499][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7885.900499][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7885.900499][ T1167] ___sys_sendmsg+0xee/0x170 [ 7885.900499][ T1167] __sys_sendmsg+0xcd/0x170 [ 7885.900499][ T1167] do_syscall_64+0xc6/0x1e0 [ 7885.900499][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7885.900499][ T1167] [ 7885.902223][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7885.902223][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7885.902223][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7885.902223][ T1167] ipv6_find_idev+0x102/0x170 [ 7885.902223][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7885.902223][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7885.902223][ T1167] netlink_rcv_skb+0x130/0x360 [ 7885.902223][ T1167] netlink_unicast+0x449/0x710 [ 7885.902223][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7885.902223][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7885.902223][ T1167] ___sys_sendmsg+0xee/0x170 [ 7885.902223][ T1167] __sys_sendmsg+0xcd/0x170 [ 7885.902223][ T1167] do_syscall_64+0xc6/0x1e0 [ 7885.902223][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7885.902223][ T1167] [ 7895.201127][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7895.201473][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7895.201473][ T10] netdev_get_by_index+0x5e/0x80 [ 7895.201473][ T10] fib6_nh_init+0x3d8/0x1580 [ 7895.201473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7895.201473][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7895.201473][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7895.201473][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7895.201473][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7895.201473][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7895.201473][ T10] addrconf_dad_begin+0x310/0x670 [ 7895.201473][ T10] addrconf_dad_work+0x10b/0xab0 [ 7895.201473][ T10] process_one_work+0x84d/0x18a0 [ 7895.201473][ T10] worker_thread+0x587/0xd30 [ 7895.201473][ T10] kthread+0x28a/0x350 [ 7895.201473][ T10] ret_from_fork+0x31/0x70 [ 7895.201473][ T10] ret_from_fork_asm+0x1a/0x30 [ 7895.201473][ T10] [ 7895.203399][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7895.203399][ T10] netdev_get_by_index+0x5e/0x80 [ 7895.203399][ T10] fib6_nh_init+0x3d8/0x1580 [ 7895.203399][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7895.203399][ T10] ip6_route_add+0x1c/0x140 [ 7895.203399][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7895.203399][ T10] inet6_addr_add+0x4f8/0xa40 [ 7895.203399][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7895.203399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7895.203399][ T10] netlink_rcv_skb+0x130/0x360 [ 7895.203399][ T10] netlink_unicast+0x449/0x710 [ 7895.203399][ T10] netlink_sendmsg+0x723/0xbe0 [ 7895.203399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7895.203399][ T10] ___sys_sendmsg+0xee/0x170 [ 7895.203399][ T10] __sys_sendmsg+0xcd/0x170 [ 7895.203399][ T10] do_syscall_64+0xc6/0x1e0 [ 7895.203399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7895.203399][ T10] [ 7895.205386][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7895.205386][ T10] netdev_get_by_index+0x5e/0x80 [ 7895.205386][ T10] fib6_nh_init+0x3d8/0x1580 [ 7895.205386][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7895.205386][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7895.205386][ T10] ipv6_add_addr+0x411/0x2000 [ 7895.205386][ T10] inet6_addr_add+0x30e/0xa40 [ 7895.205386][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7895.205386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7895.205386][ T10] netlink_rcv_skb+0x130/0x360 [ 7895.205386][ T10] netlink_unicast+0x449/0x710 [ 7895.205386][ T10] netlink_sendmsg+0x723/0xbe0 [ 7895.205386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7895.205386][ T10] ___sys_sendmsg+0xee/0x170 [ 7895.205386][ T10] __sys_sendmsg+0xcd/0x170 [ 7895.205386][ T10] do_syscall_64+0xc6/0x1e0 [ 7895.205386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7895.205386][ T10] [ 7895.207381][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7895.207381][ T10] netdev_get_by_index+0x5e/0x80 [ 7895.207381][ T10] fib6_nh_init+0x3d8/0x1580 [ 7895.207381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7895.207381][ T10] ip6_route_add+0x1c/0x140 [ 7895.207381][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7895.207381][ T10] addrconf_add_dev+0xe2/0x170 [ 7895.207381][ T10] inet6_addr_add+0x12f/0xa40 [ 7895.207381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7895.207381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7895.207381][ T10] netlink_rcv_skb+0x130/0x360 [ 7895.207381][ T10] netlink_unicast+0x449/0x710 [ 7895.207381][ T10] netlink_sendmsg+0x723/0xbe0 [ 7895.207381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7895.207381][ T10] ___sys_sendmsg+0xee/0x170 [ 7895.207381][ T10] __sys_sendmsg+0xcd/0x170 [ 7895.207381][ T10] do_syscall_64+0xc6/0x1e0 [ 7895.207381][ T10] [ 7895.209338][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7895.209338][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7895.209338][ T10] ipv6_find_idev+0x102/0x170 [ 7895.209338][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7895.209338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7895.209338][ T10] netlink_rcv_skb+0x130/0x360 [ 7895.209338][ T10] netlink_unicast+0x449/0x710 [ 7895.209338][ T10] netlink_sendmsg+0x723/0xbe0 [ 7895.209338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7895.209338][ T10] ___sys_sendmsg+0xee/0x170 [ 7895.209338][ T10] __sys_sendmsg+0xcd/0x170 [ 7895.209338][ T10] do_syscall_64+0xc6/0x1e0 [ 7895.209338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7895.209338][ T10] [ 7895.210869][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7895.210869][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7895.210869][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7895.210869][ T10] ipv6_find_idev+0x102/0x170 [ 7895.210869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7895.210869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7895.210869][ T10] netlink_rcv_skb+0x130/0x360 [ 7895.210869][ T10] netlink_unicast+0x449/0x710 [ 7895.210869][ T10] netlink_sendmsg+0x723/0xbe0 [ 7895.210869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7895.210869][ T10] ___sys_sendmsg+0xee/0x170 [ 7895.210869][ T10] __sys_sendmsg+0xcd/0x170 [ 7895.210869][ T10] do_syscall_64+0xc6/0x1e0 [ 7895.210869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7895.210869][ T10] [ 7895.212591][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7895.212827][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7895.212827][ T10] netdev_get_by_index+0x5e/0x80 [ 7895.212827][ T10] fib6_nh_init+0x3d8/0x1580 [ 7895.212827][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7895.212827][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7895.212827][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7895.212827][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7895.212827][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7895.212827][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7895.212827][ T10] addrconf_dad_begin+0x310/0x670 [ 7895.212827][ T10] addrconf_dad_work+0x10b/0xab0 [ 7895.212827][ T10] process_one_work+0x84d/0x18a0 [ 7895.212827][ T10] worker_thread+0x587/0xd30 [ 7895.212827][ T10] kthread+0x28a/0x350 [ 7895.212827][ T10] ret_from_fork+0x31/0x70 [ 7895.212827][ T10] ret_from_fork_asm+0x1a/0x30 [ 7895.212827][ T10] [ 7895.214720][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7895.214720][ T10] netdev_get_by_index+0x5e/0x80 [ 7895.214720][ T10] fib6_nh_init+0x3d8/0x1580 [ 7895.214720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7895.214720][ T10] ip6_route_add+0x1c/0x140 [ 7895.214720][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7895.214720][ T10] inet6_addr_add+0x4f8/0xa40 [ 7895.214720][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7895.214720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7895.214720][ T10] netlink_rcv_skb+0x130/0x360 [ 7895.214720][ T10] netlink_unicast+0x449/0x710 [ 7895.214720][ T10] netlink_sendmsg+0x723/0xbe0 [ 7895.214720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7895.214720][ T10] ___sys_sendmsg+0xee/0x170 [ 7895.214720][ T10] __sys_sendmsg+0xcd/0x170 [ 7895.214720][ T10] do_syscall_64+0xc6/0x1e0 [ 7895.214720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7895.214720][ T10] [ 7895.216709][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7895.216709][ T10] netdev_get_by_index+0x5e/0x80 [ 7895.216709][ T10] fib6_nh_init+0x3d8/0x1580 [ 7895.216709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7895.216709][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7895.216709][ T10] ipv6_add_addr+0x411/0x2000 [ 7895.216709][ T10] inet6_addr_add+0x30e/0xa40 [ 7895.216709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7895.216709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7895.216709][ T10] netlink_rcv_skb+0x130/0x360 [ 7895.216709][ T10] netlink_unicast+0x449/0x710 [ 7895.216709][ T10] netlink_sendmsg+0x723/0xbe0 [ 7895.216709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7895.216709][ T10] ___sys_sendmsg+0xee/0x170 [ 7895.216709][ T10] __sys_sendmsg+0xcd/0x170 [ 7895.216709][ T10] do_syscall_64+0xc6/0x1e0 [ 7895.216709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7895.216709][ T10] [ 7895.218698][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7895.218698][ T10] netdev_get_by_index+0x5e/0x80 [ 7895.218698][ T10] fib6_nh_init+0x3d8/0x1580 [ 7895.218698][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7895.218698][ T10] ip6_route_add+0x1c/0x140 [ 7895.218698][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7895.218698][ T10] addrconf_add_dev+0xe2/0x170 [ 7895.218698][ T10] inet6_addr_add+0x12f/0xa40 [ 7895.218698][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7895.218698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7895.218698][ T10] netlink_rcv_skb+0x130/0x360 [ 7895.218698][ T10] netlink_unicast+0x449/0x710 [ 7895.218698][ T10] netlink_sendmsg+0x723/0xbe0 [ 7895.218698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7895.218698][ T10] ___sys_sendmsg+0xee/0x170 [ 7895.218698][ T10] __sys_sendmsg+0xcd/0x170 [ 7895.218698][ T10] do_syscall_64+0xc6/0x1e0 [ 7895.218698][ T10] [ 7895.220648][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7895.220648][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7895.220648][ T10] ipv6_find_idev+0x102/0x170 [ 7895.220648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7895.220648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7895.220648][ T10] netlink_rcv_skb+0x130/0x360 [ 7895.220648][ T10] netlink_unicast+0x449/0x710 [ 7895.220648][ T10] netlink_sendmsg+0x723/0xbe0 [ 7895.220648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7895.220648][ T10] ___sys_sendmsg+0xee/0x170 [ 7895.220648][ T10] __sys_sendmsg+0xcd/0x170 [ 7895.220648][ T10] do_syscall_64+0xc6/0x1e0 [ 7895.220648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7895.220648][ T10] [ 7895.222180][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7895.222180][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7895.222180][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7895.222180][ T10] ipv6_find_idev+0x102/0x170 [ 7895.222180][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7895.222180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7895.222180][ T10] netlink_rcv_skb+0x130/0x360 [ 7895.222180][ T10] netlink_unicast+0x449/0x710 [ 7895.222180][ T10] netlink_sendmsg+0x723/0xbe0 [ 7895.222180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7895.222180][ T10] ___sys_sendmsg+0xee/0x170 [ 7895.222180][ T10] __sys_sendmsg+0xcd/0x170 [ 7895.222180][ T10] do_syscall_64+0xc6/0x1e0 [ 7895.222180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7895.222180][ T10] [ 7895.223846][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7895.224097][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7895.224097][ T10] netdev_get_by_index+0x5e/0x80 [ 7895.224097][ T10] fib6_nh_init+0x3d8/0x1580 [ 7895.224097][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7895.224097][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7895.224097][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7895.224097][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7895.224097][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7895.224097][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7895.224097][ T10] addrconf_dad_begin+0x310/0x670 [ 7895.224097][ T10] addrconf_dad_work+0x10b/0xab0 [ 7895.224097][ T10] process_one_work+0x84d/0x18a0 [ 7895.224097][ T10] worker_thread+0x587/0xd30 [ 7895.224097][ T10] kthread+0x28a/0x350 [ 7895.224097][ T10] ret_from_fork+0x31/0x70 [ 7895.224097][ T10] ret_from_fork_asm+0x1a/0x30 [ 7895.224097][ T10] [ 7895.225986][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7895.225986][ T10] netdev_get_by_index+0x5e/0x80 [ 7895.225986][ T10] fib6_nh_init+0x3d8/0x1580 [ 7895.225986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7895.225986][ T10] ip6_route_add+0x1c/0x140 [ 7895.225986][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7895.225986][ T10] inet6_addr_add+0x4f8/0xa40 [ 7895.225986][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7895.225986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7895.225986][ T10] netlink_rcv_skb+0x130/0x360 [ 7895.225986][ T10] netlink_unicast+0x449/0x710 [ 7895.225986][ T10] netlink_sendmsg+0x723/0xbe0 [ 7895.225986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7895.225986][ T10] ___sys_sendmsg+0xee/0x170 [ 7895.225986][ T10] __sys_sendmsg+0xcd/0x170 [ 7895.225986][ T10] do_syscall_64+0xc6/0x1e0 [ 7895.225986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7895.225986][ T10] [ 7895.228153][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7895.228153][ T10] netdev_get_by_index+0x5e/0x80 [ 7895.228153][ T10] fib6_nh_init+0x3d8/0x1580 [ 7895.228153][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7895.228153][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7895.228153][ T10] ipv6_add_addr+0x411/0x2000 [ 7895.228153][ T10] inet6_addr_add+0x30e/0xa40 [ 7895.228153][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7895.228153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7895.228153][ T10] netlink_rcv_skb+0x130/0x360 [ 7895.228153][ T10] netlink_unicast+0x449/0x710 [ 7895.228153][ T10] netlink_sendmsg+0x723/0xbe0 [ 7895.228153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7895.228153][ T10] ___sys_sendmsg+0xee/0x170 [ 7895.228153][ T10] __sys_sendmsg+0xcd/0x170 [ 7895.228153][ T10] do_syscall_64+0xc6/0x1e0 [ 7895.228153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7895.228153][ T10] [ 7895.230434][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7895.230434][ T10] netdev_get_by_index+0x5e/0x80 [ 7895.230434][ T10] fib6_nh_init+0x3d8/0x1580 [ 7895.230434][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7895.230434][ T10] ip6_route_add+0x1c/0x140 [ 7895.230434][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7895.230434][ T10] addrconf_add_dev+0xe2/0x170 [ 7895.230434][ T10] inet6_addr_add+0x12f/0xa40 [ 7895.230434][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7895.230434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7895.230434][ T10] netlink_rcv_skb+0x130/0x360 [ 7895.230434][ T10] netlink_unicast+0x449/0x710 [ 7895.230434][ T10] netlink_sendmsg+0x723/0xbe0 [ 7895.230434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7895.230434][ T10] ___sys_sendmsg+0xee/0x170 [ 7895.230434][ T10] __sys_sendmsg+0xcd/0x170 [ 7895.230434][ T10] do_syscall_64+0xc6/0x1e0 [ 7895.230434][ T10] [ 7895.232630][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7895.232630][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7895.232630][ T10] ipv6_find_idev+0x102/0x170 [ 7895.232630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7895.232630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7895.232630][ T10] netlink_rcv_skb+0x130/0x360 [ 7895.232630][ T10] netlink_unicast+0x449/0x710 [ 7895.232630][ T10] netlink_sendmsg+0x723/0xbe0 [ 7895.232630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7895.232630][ T10] ___sys_sendmsg+0xee/0x170 [ 7895.232630][ T10] __sys_sendmsg+0xcd/0x170 [ 7895.232630][ T10] do_syscall_64+0xc6/0x1e0 [ 7895.232630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7895.232630][ T10] [ 7895.234335][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7895.234335][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7895.234335][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7895.234335][ T10] ipv6_find_idev+0x102/0x170 [ 7895.234335][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7895.234335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7895.234335][ T10] netlink_rcv_skb+0x130/0x360 [ 7895.234335][ T10] netlink_unicast+0x449/0x710 [ 7895.234335][ T10] netlink_sendmsg+0x723/0xbe0 [ 7895.234335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7895.234335][ T10] ___sys_sendmsg+0xee/0x170 [ 7895.234335][ T10] __sys_sendmsg+0xcd/0x170 [ 7895.234335][ T10] do_syscall_64+0xc6/0x1e0 [ 7895.234335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7895.234335][ T10] [ 7895.236191][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7895.236425][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7895.236425][ T10] netdev_get_by_index+0x5e/0x80 [ 7895.236425][ T10] fib6_nh_init+0x3d8/0x1580 [ 7895.236425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7895.236425][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7895.236425][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7895.236425][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7895.236425][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7895.236425][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7895.236425][ T10] addrconf_dad_begin+0x310/0x670 [ 7895.236425][ T10] addrconf_dad_work+0x10b/0xab0 [ 7895.236425][ T10] process_one_work+0x84d/0x18a0 [ 7895.236425][ T10] worker_thread+0x587/0xd30 [ 7895.236425][ T10] kthread+0x28a/0x350 [ 7895.236425][ T10] ret_from_fork+0x31/0x70 [ 7895.236425][ T10] ret_from_fork_asm+0x1a/0x30 [ 7895.236425][ T10] [ 7895.238641][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7895.238641][ T10] netdev_get_by_index+0x5e/0x80 [ 7895.238641][ T10] fib6_nh_init+0x3d8/0x1580 [ 7895.238641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7895.238641][ T10] ip6_route_add+0x1c/0x140 [ 7895.238641][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7895.238641][ T10] inet6_addr_add+0x4f8/0xa40 [ 7895.238641][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7895.238641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7895.238641][ T10] netlink_rcv_skb+0x130/0x360 [ 7895.238641][ T10] netlink_unicast+0x449/0x710 [ 7895.238641][ T10] netlink_sendmsg+0x723/0xbe0 [ 7895.238641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7895.238641][ T10] ___sys_sendmsg+0xee/0x170 [ 7895.238641][ T10] __sys_sendmsg+0xcd/0x170 [ 7895.238641][ T10] do_syscall_64+0xc6/0x1e0 [ 7895.238641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7895.238641][ T10] [ 7895.240870][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7895.240870][ T10] netdev_get_by_index+0x5e/0x80 [ 7895.240870][ T10] fib6_nh_init+0x3d8/0x1580 [ 7895.240870][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7895.240870][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7895.240870][ T10] ipv6_add_addr+0x411/0x2000 [ 7895.240870][ T10] inet6_addr_add+0x30e/0xa40 [ 7895.240870][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7895.240870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7895.240870][ T10] netlink_rcv_skb+0x130/0x360 [ 7895.240870][ T10] netlink_unicast+0x449/0x710 [ 7895.240870][ T10] netlink_sendmsg+0x723/0xbe0 [ 7895.240870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7895.240870][ T10] ___sys_sendmsg+0xee/0x170 [ 7895.240870][ T10] __sys_sendmsg+0xcd/0x170 [ 7895.240870][ T10] do_syscall_64+0xc6/0x1e0 [ 7895.240870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7895.240870][ T10] [ 7895.243034][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7895.243034][ T10] netdev_get_by_index+0x5e/0x80 [ 7895.243034][ T10] fib6_nh_init+0x3d8/0x1580 [ 7895.243034][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7895.243034][ T10] ip6_route_add+0x1c/0x140 [ 7895.243034][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7895.243034][ T10] addrconf_add_dev+0xe2/0x170 [ 7895.243034][ T10] inet6_addr_add+0x12f/0xa40 [ 7895.243034][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7895.243034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7895.243034][ T10] netlink_rcv_skb+0x130/0x360 [ 7895.243034][ T10] netlink_unicast+0x449/0x710 [ 7895.243034][ T10] netlink_sendmsg+0x723/0xbe0 [ 7895.243034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7895.243034][ T10] ___sys_sendmsg+0xee/0x170 [ 7895.243034][ T10] __sys_sendmsg+0xcd/0x170 [ 7895.243034][ T10] do_syscall_64+0xc6/0x1e0 [ 7895.243034][ T10] [ 7895.245223][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7895.245223][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7895.245223][ T10] ipv6_find_idev+0x102/0x170 [ 7895.245223][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7895.245223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7895.245223][ T10] netlink_rcv_skb+0x130/0x360 [ 7895.245223][ T10] netlink_unicast+0x449/0x710 [ 7895.245223][ T10] netlink_sendmsg+0x723/0xbe0 [ 7895.245223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7895.245223][ T10] ___sys_sendmsg+0xee/0x170 [ 7895.245223][ T10] __sys_sendmsg+0xcd/0x170 [ 7895.245223][ T10] do_syscall_64+0xc6/0x1e0 [ 7895.245223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7895.245223][ T10] [ 7895.246929][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7895.246929][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7895.246929][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7895.246929][ T10] ipv6_find_idev+0x102/0x170 [ 7895.246929][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7895.246929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7895.246929][ T10] netlink_rcv_skb+0x130/0x360 [ 7895.246929][ T10] netlink_unicast+0x449/0x710 [ 7895.246929][ T10] netlink_sendmsg+0x723/0xbe0 [ 7895.246929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7895.246929][ T10] ___sys_sendmsg+0xee/0x170 [ 7895.246929][ T10] __sys_sendmsg+0xcd/0x170 [ 7895.246929][ T10] do_syscall_64+0xc6/0x1e0 [ 7895.246929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7895.246929][ T10] [ 7895.905108][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7895.905471][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7895.905471][ T1167] dst_init+0x84/0x4a0 [ 7895.905471][ T1167] dst_alloc+0x97/0x150 [ 7895.905471][ T1167] ip6_dst_alloc+0x23/0x90 [ 7895.905471][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7895.905471][ T1167] ip6_pol_route+0x56f/0x840 [ 7895.905471][ T1167] fib6_rule_lookup+0x334/0x630 [ 7895.905471][ T1167] ip6_route_output_flags+0x259/0x480 [ 7895.905471][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7895.905471][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7895.905471][ T1167] netlink_rcv_skb+0x130/0x360 [ 7895.905471][ T1167] netlink_unicast+0x449/0x710 [ 7895.905471][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7895.905471][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7895.905471][ T1167] ___sys_sendmsg+0xee/0x170 [ 7895.905471][ T1167] __sys_sendmsg+0xcd/0x170 [ 7895.905471][ T1167] do_syscall_64+0xc6/0x1e0 [ 7895.905471][ T1167] [ 7895.907642][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7895.907642][ T1167] netdev_get_by_index+0x5e/0x80 [ 7895.907642][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7895.907642][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7895.907642][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7895.907642][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7895.907642][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7895.907642][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7895.907642][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7895.907642][ T1167] addrconf_dad_begin+0x310/0x670 [ 7895.907642][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7895.907642][ T1167] process_one_work+0x84d/0x18a0 [ 7895.907642][ T1167] worker_thread+0x587/0xd30 [ 7895.907642][ T1167] kthread+0x28a/0x350 [ 7895.907642][ T1167] ret_from_fork+0x31/0x70 [ 7895.907642][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7895.907642][ T1167] [ 7895.909775][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7895.909775][ T1167] netdev_get_by_index+0x5e/0x80 [ 7895.909775][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7895.909775][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7895.909775][ T1167] ip6_route_add+0x1c/0x140 [ 7895.909775][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7895.909775][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7895.909775][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7895.909775][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7895.909775][ T1167] netlink_rcv_skb+0x130/0x360 [ 7895.909775][ T1167] netlink_unicast+0x449/0x710 [ 7895.909775][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7895.909775][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7895.909775][ T1167] ___sys_sendmsg+0xee/0x170 [ 7895.909775][ T1167] __sys_sendmsg+0xcd/0x170 [ 7895.909775][ T1167] do_syscall_64+0xc6/0x1e0 [ 7895.909775][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7895.909775][ T1167] [ 7895.912008][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7895.912008][ T1167] netdev_get_by_index+0x5e/0x80 [ 7895.912008][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7895.912008][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7895.912008][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7895.912008][ T1167] ipv6_add_addr+0x411/0x2000 [ 7895.912008][ T1167] inet6_addr_add+0x30e/0xa40 [ 7895.912008][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7895.912008][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7895.912008][ T1167] netlink_rcv_skb+0x130/0x360 [ 7895.912008][ T1167] netlink_unicast+0x449/0x710 [ 7895.912008][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7895.912008][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7895.912008][ T1167] ___sys_sendmsg+0xee/0x170 [ 7895.912008][ T1167] __sys_sendmsg+0xcd/0x170 [ 7895.912008][ T1167] do_syscall_64+0xc6/0x1e0 [ 7895.912008][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7895.912008][ T1167] [ 7895.914238][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7895.914238][ T1167] netdev_get_by_index+0x5e/0x80 [ 7895.914238][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7895.914238][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7895.914238][ T1167] ip6_route_add+0x1c/0x140 [ 7895.914238][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7895.914238][ T1167] addrconf_add_dev+0xe2/0x170 [ 7895.914238][ T1167] inet6_addr_add+0x12f/0xa40 [ 7895.914238][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7895.914238][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7895.914238][ T1167] netlink_rcv_skb+0x130/0x360 [ 7895.914238][ T1167] netlink_unicast+0x449/0x710 [ 7895.914238][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7895.914238][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7895.914238][ T1167] ___sys_sendmsg+0xee/0x170 [ 7895.914238][ T1167] __sys_sendmsg+0xcd/0x170 [ 7895.914238][ T1167] do_syscall_64+0xc6/0x1e0 [ 7895.914238][ T1167] [ 7895.916429][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7895.916429][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7895.916429][ T1167] ipv6_find_idev+0x102/0x170 [ 7895.916429][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7895.916429][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7895.916429][ T1167] netlink_rcv_skb+0x130/0x360 [ 7895.916429][ T1167] netlink_unicast+0x449/0x710 [ 7895.916429][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7895.916429][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7895.916429][ T1167] ___sys_sendmsg+0xee/0x170 [ 7895.916429][ T1167] __sys_sendmsg+0xcd/0x170 [ 7895.916429][ T1167] do_syscall_64+0xc6/0x1e0 [ 7895.916429][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7895.916429][ T1167] [ 7895.918141][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7895.918141][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7895.918141][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7895.918141][ T1167] ipv6_find_idev+0x102/0x170 [ 7895.918141][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7895.918141][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7895.918141][ T1167] netlink_rcv_skb+0x130/0x360 [ 7895.918141][ T1167] netlink_unicast+0x449/0x710 [ 7895.918141][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7895.918141][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7895.918141][ T1167] ___sys_sendmsg+0xee/0x170 [ 7895.918141][ T1167] __sys_sendmsg+0xcd/0x170 [ 7895.918141][ T1167] do_syscall_64+0xc6/0x1e0 [ 7895.918141][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7895.918141][ T1167] [ 7905.489131][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7905.489500][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7905.489500][ T10] netdev_get_by_index+0x5e/0x80 [ 7905.489500][ T10] fib6_nh_init+0x3d8/0x1580 [ 7905.489500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7905.489500][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7905.489500][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7905.489500][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7905.489500][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7905.489500][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7905.489500][ T10] addrconf_dad_begin+0x310/0x670 [ 7905.489500][ T10] addrconf_dad_work+0x10b/0xab0 [ 7905.489500][ T10] process_one_work+0x84d/0x18a0 [ 7905.489500][ T10] worker_thread+0x587/0xd30 [ 7905.489500][ T10] kthread+0x28a/0x350 [ 7905.489500][ T10] ret_from_fork+0x31/0x70 [ 7905.489500][ T10] ret_from_fork_asm+0x1a/0x30 [ 7905.489500][ T10] [ 7905.491459][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7905.491459][ T10] netdev_get_by_index+0x5e/0x80 [ 7905.491459][ T10] fib6_nh_init+0x3d8/0x1580 [ 7905.491459][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7905.491459][ T10] ip6_route_add+0x1c/0x140 [ 7905.491459][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7905.491459][ T10] inet6_addr_add+0x4f8/0xa40 [ 7905.491459][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7905.491459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7905.491459][ T10] netlink_rcv_skb+0x130/0x360 [ 7905.491459][ T10] netlink_unicast+0x449/0x710 [ 7905.491459][ T10] netlink_sendmsg+0x723/0xbe0 [ 7905.491459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7905.491459][ T10] ___sys_sendmsg+0xee/0x170 [ 7905.491459][ T10] __sys_sendmsg+0xcd/0x170 [ 7905.491459][ T10] do_syscall_64+0xc6/0x1e0 [ 7905.491459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7905.491459][ T10] [ 7905.493464][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7905.493464][ T10] netdev_get_by_index+0x5e/0x80 [ 7905.493464][ T10] fib6_nh_init+0x3d8/0x1580 [ 7905.493464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7905.493464][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7905.493464][ T10] ipv6_add_addr+0x411/0x2000 [ 7905.493464][ T10] inet6_addr_add+0x30e/0xa40 [ 7905.493464][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7905.493464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7905.493464][ T10] netlink_rcv_skb+0x130/0x360 [ 7905.493464][ T10] netlink_unicast+0x449/0x710 [ 7905.493464][ T10] netlink_sendmsg+0x723/0xbe0 [ 7905.493464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7905.493464][ T10] ___sys_sendmsg+0xee/0x170 [ 7905.493464][ T10] __sys_sendmsg+0xcd/0x170 [ 7905.493464][ T10] do_syscall_64+0xc6/0x1e0 [ 7905.493464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7905.493464][ T10] [ 7905.495495][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7905.495495][ T10] netdev_get_by_index+0x5e/0x80 [ 7905.495495][ T10] fib6_nh_init+0x3d8/0x1580 [ 7905.495495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7905.495495][ T10] ip6_route_add+0x1c/0x140 [ 7905.495495][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7905.495495][ T10] addrconf_add_dev+0xe2/0x170 [ 7905.495495][ T10] inet6_addr_add+0x12f/0xa40 [ 7905.495495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7905.495495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7905.495495][ T10] netlink_rcv_skb+0x130/0x360 [ 7905.495495][ T10] netlink_unicast+0x449/0x710 [ 7905.495495][ T10] netlink_sendmsg+0x723/0xbe0 [ 7905.495495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7905.495495][ T10] ___sys_sendmsg+0xee/0x170 [ 7905.495495][ T10] __sys_sendmsg+0xcd/0x170 [ 7905.495495][ T10] do_syscall_64+0xc6/0x1e0 [ 7905.495495][ T10] [ 7905.497476][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7905.497476][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7905.497476][ T10] ipv6_find_idev+0x102/0x170 [ 7905.497476][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7905.497476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7905.497476][ T10] netlink_rcv_skb+0x130/0x360 [ 7905.497476][ T10] netlink_unicast+0x449/0x710 [ 7905.497476][ T10] netlink_sendmsg+0x723/0xbe0 [ 7905.497476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7905.497476][ T10] ___sys_sendmsg+0xee/0x170 [ 7905.497476][ T10] __sys_sendmsg+0xcd/0x170 [ 7905.497476][ T10] do_syscall_64+0xc6/0x1e0 [ 7905.497476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7905.497476][ T10] [ 7905.499022][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7905.499022][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7905.499022][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7905.499022][ T10] ipv6_find_idev+0x102/0x170 [ 7905.499022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7905.499022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7905.499022][ T10] netlink_rcv_skb+0x130/0x360 [ 7905.499022][ T10] netlink_unicast+0x449/0x710 [ 7905.499022][ T10] netlink_sendmsg+0x723/0xbe0 [ 7905.499022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7905.499022][ T10] ___sys_sendmsg+0xee/0x170 [ 7905.499022][ T10] __sys_sendmsg+0xcd/0x170 [ 7905.499022][ T10] do_syscall_64+0xc6/0x1e0 [ 7905.499022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7905.499022][ T10] [ 7905.500728][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7905.500988][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7905.500988][ T10] netdev_get_by_index+0x5e/0x80 [ 7905.500988][ T10] fib6_nh_init+0x3d8/0x1580 [ 7905.500988][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7905.500988][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7905.500988][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7905.500988][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7905.500988][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7905.500988][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7905.500988][ T10] addrconf_dad_begin+0x310/0x670 [ 7905.500988][ T10] addrconf_dad_work+0x10b/0xab0 [ 7905.500988][ T10] process_one_work+0x84d/0x18a0 [ 7905.500988][ T10] worker_thread+0x587/0xd30 [ 7905.500988][ T10] kthread+0x28a/0x350 [ 7905.500988][ T10] ret_from_fork+0x31/0x70 [ 7905.500988][ T10] ret_from_fork_asm+0x1a/0x30 [ 7905.500988][ T10] [ 7905.502911][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7905.502911][ T10] netdev_get_by_index+0x5e/0x80 [ 7905.502911][ T10] fib6_nh_init+0x3d8/0x1580 [ 7905.502911][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7905.502911][ T10] ip6_route_add+0x1c/0x140 [ 7905.502911][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7905.502911][ T10] inet6_addr_add+0x4f8/0xa40 [ 7905.502911][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7905.502911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7905.502911][ T10] netlink_rcv_skb+0x130/0x360 [ 7905.502911][ T10] netlink_unicast+0x449/0x710 [ 7905.502911][ T10] netlink_sendmsg+0x723/0xbe0 [ 7905.502911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7905.502911][ T10] ___sys_sendmsg+0xee/0x170 [ 7905.502911][ T10] __sys_sendmsg+0xcd/0x170 [ 7905.502911][ T10] do_syscall_64+0xc6/0x1e0 [ 7905.502911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7905.502911][ T10] [ 7905.504921][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7905.504921][ T10] netdev_get_by_index+0x5e/0x80 [ 7905.504921][ T10] fib6_nh_init+0x3d8/0x1580 [ 7905.504921][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7905.504921][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7905.504921][ T10] ipv6_add_addr+0x411/0x2000 [ 7905.504921][ T10] inet6_addr_add+0x30e/0xa40 [ 7905.504921][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7905.504921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7905.504921][ T10] netlink_rcv_skb+0x130/0x360 [ 7905.504921][ T10] netlink_unicast+0x449/0x710 [ 7905.504921][ T10] netlink_sendmsg+0x723/0xbe0 [ 7905.504921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7905.504921][ T10] ___sys_sendmsg+0xee/0x170 [ 7905.504921][ T10] __sys_sendmsg+0xcd/0x170 [ 7905.504921][ T10] do_syscall_64+0xc6/0x1e0 [ 7905.504921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7905.504921][ T10] [ 7905.506938][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7905.506938][ T10] netdev_get_by_index+0x5e/0x80 [ 7905.506938][ T10] fib6_nh_init+0x3d8/0x1580 [ 7905.506938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7905.506938][ T10] ip6_route_add+0x1c/0x140 [ 7905.506938][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7905.506938][ T10] addrconf_add_dev+0xe2/0x170 [ 7905.506938][ T10] inet6_addr_add+0x12f/0xa40 [ 7905.506938][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7905.506938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7905.506938][ T10] netlink_rcv_skb+0x130/0x360 [ 7905.506938][ T10] netlink_unicast+0x449/0x710 [ 7905.506938][ T10] netlink_sendmsg+0x723/0xbe0 [ 7905.506938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7905.506938][ T10] ___sys_sendmsg+0xee/0x170 [ 7905.506938][ T10] __sys_sendmsg+0xcd/0x170 [ 7905.506938][ T10] do_syscall_64+0xc6/0x1e0 [ 7905.506938][ T10] [ 7905.508911][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7905.508911][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7905.508911][ T10] ipv6_find_idev+0x102/0x170 [ 7905.508911][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7905.508911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7905.508911][ T10] netlink_rcv_skb+0x130/0x360 [ 7905.508911][ T10] netlink_unicast+0x449/0x710 [ 7905.508911][ T10] netlink_sendmsg+0x723/0xbe0 [ 7905.508911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7905.508911][ T10] ___sys_sendmsg+0xee/0x170 [ 7905.508911][ T10] __sys_sendmsg+0xcd/0x170 [ 7905.508911][ T10] do_syscall_64+0xc6/0x1e0 [ 7905.508911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7905.508911][ T10] [ 7905.510457][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7905.510457][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7905.510457][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7905.510457][ T10] ipv6_find_idev+0x102/0x170 [ 7905.510457][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7905.510457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7905.510457][ T10] netlink_rcv_skb+0x130/0x360 [ 7905.510457][ T10] netlink_unicast+0x449/0x710 [ 7905.510457][ T10] netlink_sendmsg+0x723/0xbe0 [ 7905.510457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7905.510457][ T10] ___sys_sendmsg+0xee/0x170 [ 7905.510457][ T10] __sys_sendmsg+0xcd/0x170 [ 7905.510457][ T10] do_syscall_64+0xc6/0x1e0 [ 7905.510457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7905.510457][ T10] [ 7905.512157][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7905.512398][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7905.512398][ T10] netdev_get_by_index+0x5e/0x80 [ 7905.512398][ T10] fib6_nh_init+0x3d8/0x1580 [ 7905.512398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7905.512398][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7905.512398][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7905.512398][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7905.512398][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7905.512398][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7905.512398][ T10] addrconf_dad_begin+0x310/0x670 [ 7905.512398][ T10] addrconf_dad_work+0x10b/0xab0 [ 7905.512398][ T10] process_one_work+0x84d/0x18a0 [ 7905.512398][ T10] worker_thread+0x587/0xd30 [ 7905.512398][ T10] kthread+0x28a/0x350 [ 7905.512398][ T10] ret_from_fork+0x31/0x70 [ 7905.512398][ T10] ret_from_fork_asm+0x1a/0x30 [ 7905.512398][ T10] [ 7905.514325][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7905.514325][ T10] netdev_get_by_index+0x5e/0x80 [ 7905.514325][ T10] fib6_nh_init+0x3d8/0x1580 [ 7905.514325][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7905.514325][ T10] ip6_route_add+0x1c/0x140 [ 7905.514325][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7905.514325][ T10] inet6_addr_add+0x4f8/0xa40 [ 7905.514325][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7905.514325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7905.514325][ T10] netlink_rcv_skb+0x130/0x360 [ 7905.514325][ T10] netlink_unicast+0x449/0x710 [ 7905.514325][ T10] netlink_sendmsg+0x723/0xbe0 [ 7905.514325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7905.514325][ T10] ___sys_sendmsg+0xee/0x170 [ 7905.514325][ T10] __sys_sendmsg+0xcd/0x170 [ 7905.514325][ T10] do_syscall_64+0xc6/0x1e0 [ 7905.514325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7905.514325][ T10] [ 7905.516516][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7905.516516][ T10] netdev_get_by_index+0x5e/0x80 [ 7905.516516][ T10] fib6_nh_init+0x3d8/0x1580 [ 7905.516516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7905.516516][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7905.516516][ T10] ipv6_add_addr+0x411/0x2000 [ 7905.516516][ T10] inet6_addr_add+0x30e/0xa40 [ 7905.516516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7905.516516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7905.516516][ T10] netlink_rcv_skb+0x130/0x360 [ 7905.516516][ T10] netlink_unicast+0x449/0x710 [ 7905.516516][ T10] netlink_sendmsg+0x723/0xbe0 [ 7905.516516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7905.516516][ T10] ___sys_sendmsg+0xee/0x170 [ 7905.516516][ T10] __sys_sendmsg+0xcd/0x170 [ 7905.516516][ T10] do_syscall_64+0xc6/0x1e0 [ 7905.516516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7905.516516][ T10] [ 7905.518758][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7905.518758][ T10] netdev_get_by_index+0x5e/0x80 [ 7905.518758][ T10] fib6_nh_init+0x3d8/0x1580 [ 7905.518758][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7905.518758][ T10] ip6_route_add+0x1c/0x140 [ 7905.518758][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7905.518758][ T10] addrconf_add_dev+0xe2/0x170 [ 7905.518758][ T10] inet6_addr_add+0x12f/0xa40 [ 7905.518758][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7905.518758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7905.518758][ T10] netlink_rcv_skb+0x130/0x360 [ 7905.518758][ T10] netlink_unicast+0x449/0x710 [ 7905.518758][ T10] netlink_sendmsg+0x723/0xbe0 [ 7905.518758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7905.518758][ T10] ___sys_sendmsg+0xee/0x170 [ 7905.518758][ T10] __sys_sendmsg+0xcd/0x170 [ 7905.518758][ T10] do_syscall_64+0xc6/0x1e0 [ 7905.518758][ T10] [ 7905.520922][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7905.520922][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7905.520922][ T10] ipv6_find_idev+0x102/0x170 [ 7905.520922][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7905.520922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7905.520922][ T10] netlink_rcv_skb+0x130/0x360 [ 7905.520922][ T10] netlink_unicast+0x449/0x710 [ 7905.520922][ T10] netlink_sendmsg+0x723/0xbe0 [ 7905.520922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7905.520922][ T10] ___sys_sendmsg+0xee/0x170 [ 7905.520922][ T10] __sys_sendmsg+0xcd/0x170 [ 7905.520922][ T10] do_syscall_64+0xc6/0x1e0 [ 7905.520922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7905.520922][ T10] [ 7905.522661][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7905.522661][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7905.522661][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7905.522661][ T10] ipv6_find_idev+0x102/0x170 [ 7905.522661][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7905.522661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7905.522661][ T10] netlink_rcv_skb+0x130/0x360 [ 7905.522661][ T10] netlink_unicast+0x449/0x710 [ 7905.522661][ T10] netlink_sendmsg+0x723/0xbe0 [ 7905.522661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7905.522661][ T10] ___sys_sendmsg+0xee/0x170 [ 7905.522661][ T10] __sys_sendmsg+0xcd/0x170 [ 7905.522661][ T10] do_syscall_64+0xc6/0x1e0 [ 7905.522661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7905.522661][ T10] [ 7905.524658][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7905.524896][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7905.524896][ T10] netdev_get_by_index+0x5e/0x80 [ 7905.524896][ T10] fib6_nh_init+0x3d8/0x1580 [ 7905.524896][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7905.524896][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7905.524896][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7905.524896][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7905.524896][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7905.524896][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7905.524896][ T10] addrconf_dad_begin+0x310/0x670 [ 7905.524896][ T10] addrconf_dad_work+0x10b/0xab0 [ 7905.524896][ T10] process_one_work+0x84d/0x18a0 [ 7905.524896][ T10] worker_thread+0x587/0xd30 [ 7905.524896][ T10] kthread+0x28a/0x350 [ 7905.524896][ T10] ret_from_fork+0x31/0x70 [ 7905.524896][ T10] ret_from_fork_asm+0x1a/0x30 [ 7905.524896][ T10] [ 7905.527068][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7905.527068][ T10] netdev_get_by_index+0x5e/0x80 [ 7905.527068][ T10] fib6_nh_init+0x3d8/0x1580 [ 7905.527068][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7905.527068][ T10] ip6_route_add+0x1c/0x140 [ 7905.527068][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7905.527068][ T10] inet6_addr_add+0x4f8/0xa40 [ 7905.527068][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7905.527068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7905.527068][ T10] netlink_rcv_skb+0x130/0x360 [ 7905.527068][ T10] netlink_unicast+0x449/0x710 [ 7905.527068][ T10] netlink_sendmsg+0x723/0xbe0 [ 7905.527068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7905.527068][ T10] ___sys_sendmsg+0xee/0x170 [ 7905.527068][ T10] __sys_sendmsg+0xcd/0x170 [ 7905.527068][ T10] do_syscall_64+0xc6/0x1e0 [ 7905.527068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7905.527068][ T10] [ 7905.529258][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7905.529258][ T10] netdev_get_by_index+0x5e/0x80 [ 7905.529258][ T10] fib6_nh_init+0x3d8/0x1580 [ 7905.529258][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7905.529258][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7905.529258][ T10] ipv6_add_addr+0x411/0x2000 [ 7905.529258][ T10] inet6_addr_add+0x30e/0xa40 [ 7905.529258][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7905.529258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7905.529258][ T10] netlink_rcv_skb+0x130/0x360 [ 7905.529258][ T10] netlink_unicast+0x449/0x710 [ 7905.529258][ T10] netlink_sendmsg+0x723/0xbe0 [ 7905.529258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7905.529258][ T10] ___sys_sendmsg+0xee/0x170 [ 7905.529258][ T10] __sys_sendmsg+0xcd/0x170 [ 7905.529258][ T10] do_syscall_64+0xc6/0x1e0 [ 7905.529258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7905.529258][ T10] [ 7905.531511][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7905.531511][ T10] netdev_get_by_index+0x5e/0x80 [ 7905.531511][ T10] fib6_nh_init+0x3d8/0x1580 [ 7905.531511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7905.531511][ T10] ip6_route_add+0x1c/0x140 [ 7905.531511][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7905.531511][ T10] addrconf_add_dev+0xe2/0x170 [ 7905.531511][ T10] inet6_addr_add+0x12f/0xa40 [ 7905.531511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7905.531511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7905.531511][ T10] netlink_rcv_skb+0x130/0x360 [ 7905.531511][ T10] netlink_unicast+0x449/0x710 [ 7905.531511][ T10] netlink_sendmsg+0x723/0xbe0 [ 7905.531511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7905.531511][ T10] ___sys_sendmsg+0xee/0x170 [ 7905.531511][ T10] __sys_sendmsg+0xcd/0x170 [ 7905.531511][ T10] do_syscall_64+0xc6/0x1e0 [ 7905.531511][ T10] [ 7905.533789][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7905.533789][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7905.533789][ T10] ipv6_find_idev+0x102/0x170 [ 7905.533789][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7905.533789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7905.533789][ T10] netlink_rcv_skb+0x130/0x360 [ 7905.533789][ T10] netlink_unicast+0x449/0x710 [ 7905.533789][ T10] netlink_sendmsg+0x723/0xbe0 [ 7905.533789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7905.533789][ T10] ___sys_sendmsg+0xee/0x170 [ 7905.533789][ T10] __sys_sendmsg+0xcd/0x170 [ 7905.533789][ T10] do_syscall_64+0xc6/0x1e0 [ 7905.533789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7905.533789][ T10] [ 7905.535519][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7905.535519][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7905.535519][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7905.535519][ T10] ipv6_find_idev+0x102/0x170 [ 7905.535519][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7905.535519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7905.535519][ T10] netlink_rcv_skb+0x130/0x360 [ 7905.535519][ T10] netlink_unicast+0x449/0x710 [ 7905.535519][ T10] netlink_sendmsg+0x723/0xbe0 [ 7905.535519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7905.535519][ T10] ___sys_sendmsg+0xee/0x170 [ 7905.535519][ T10] __sys_sendmsg+0xcd/0x170 [ 7905.535519][ T10] do_syscall_64+0xc6/0x1e0 [ 7905.535519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7905.535519][ T10] [ 7906.161066][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7906.161453][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7906.161453][ T1167] dst_init+0x84/0x4a0 [ 7906.161453][ T1167] dst_alloc+0x97/0x150 [ 7906.161453][ T1167] ip6_dst_alloc+0x23/0x90 [ 7906.161453][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7906.161453][ T1167] ip6_pol_route+0x56f/0x840 [ 7906.161453][ T1167] fib6_rule_lookup+0x334/0x630 [ 7906.161453][ T1167] ip6_route_output_flags+0x259/0x480 [ 7906.161453][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7906.161453][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7906.161453][ T1167] netlink_rcv_skb+0x130/0x360 [ 7906.161453][ T1167] netlink_unicast+0x449/0x710 [ 7906.161453][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7906.161453][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7906.161453][ T1167] ___sys_sendmsg+0xee/0x170 [ 7906.161453][ T1167] __sys_sendmsg+0xcd/0x170 [ 7906.161453][ T1167] do_syscall_64+0xc6/0x1e0 [ 7906.161453][ T1167] [ 7906.163644][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7906.163644][ T1167] netdev_get_by_index+0x5e/0x80 [ 7906.163644][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7906.163644][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7906.163644][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7906.163644][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7906.163644][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7906.163644][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7906.163644][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7906.163644][ T1167] addrconf_dad_begin+0x310/0x670 [ 7906.163644][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7906.163644][ T1167] process_one_work+0x84d/0x18a0 [ 7906.163644][ T1167] worker_thread+0x587/0xd30 [ 7906.163644][ T1167] kthread+0x28a/0x350 [ 7906.163644][ T1167] ret_from_fork+0x31/0x70 [ 7906.163644][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7906.163644][ T1167] [ 7906.165771][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7906.165771][ T1167] netdev_get_by_index+0x5e/0x80 [ 7906.165771][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7906.165771][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7906.165771][ T1167] ip6_route_add+0x1c/0x140 [ 7906.165771][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7906.165771][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7906.165771][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7906.165771][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7906.165771][ T1167] netlink_rcv_skb+0x130/0x360 [ 7906.165771][ T1167] netlink_unicast+0x449/0x710 [ 7906.165771][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7906.165771][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7906.165771][ T1167] ___sys_sendmsg+0xee/0x170 [ 7906.165771][ T1167] __sys_sendmsg+0xcd/0x170 [ 7906.165771][ T1167] do_syscall_64+0xc6/0x1e0 [ 7906.165771][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7906.165771][ T1167] [ 7906.168000][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7906.168000][ T1167] netdev_get_by_index+0x5e/0x80 [ 7906.168000][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7906.168000][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7906.168000][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7906.168000][ T1167] ipv6_add_addr+0x411/0x2000 [ 7906.168000][ T1167] inet6_addr_add+0x30e/0xa40 [ 7906.168000][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7906.168000][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7906.168000][ T1167] netlink_rcv_skb+0x130/0x360 [ 7906.168000][ T1167] netlink_unicast+0x449/0x710 [ 7906.168000][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7906.168000][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7906.168000][ T1167] ___sys_sendmsg+0xee/0x170 [ 7906.168000][ T1167] __sys_sendmsg+0xcd/0x170 [ 7906.168000][ T1167] do_syscall_64+0xc6/0x1e0 [ 7906.168000][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7906.168000][ T1167] [ 7906.170228][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7906.170228][ T1167] netdev_get_by_index+0x5e/0x80 [ 7906.170228][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7906.170228][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7906.170228][ T1167] ip6_route_add+0x1c/0x140 [ 7906.170228][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7906.170228][ T1167] addrconf_add_dev+0xe2/0x170 [ 7906.170228][ T1167] inet6_addr_add+0x12f/0xa40 [ 7906.170228][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7906.170228][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7906.170228][ T1167] netlink_rcv_skb+0x130/0x360 [ 7906.170228][ T1167] netlink_unicast+0x449/0x710 [ 7906.170228][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7906.170228][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7906.170228][ T1167] ___sys_sendmsg+0xee/0x170 [ 7906.170228][ T1167] __sys_sendmsg+0xcd/0x170 [ 7906.170228][ T1167] do_syscall_64+0xc6/0x1e0 [ 7906.170228][ T1167] [ 7906.172434][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7906.172434][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7906.172434][ T1167] ipv6_find_idev+0x102/0x170 [ 7906.172434][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7906.172434][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7906.172434][ T1167] netlink_rcv_skb+0x130/0x360 [ 7906.172434][ T1167] netlink_unicast+0x449/0x710 [ 7906.172434][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7906.172434][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7906.172434][ T1167] ___sys_sendmsg+0xee/0x170 [ 7906.172434][ T1167] __sys_sendmsg+0xcd/0x170 [ 7906.172434][ T1167] do_syscall_64+0xc6/0x1e0 [ 7906.172434][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7906.172434][ T1167] [ 7906.174169][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7906.174169][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7906.174169][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7906.174169][ T1167] ipv6_find_idev+0x102/0x170 [ 7906.174169][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7906.174169][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7906.174169][ T1167] netlink_rcv_skb+0x130/0x360 [ 7906.174169][ T1167] netlink_unicast+0x449/0x710 [ 7906.174169][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7906.174169][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7906.174169][ T1167] ___sys_sendmsg+0xee/0x170 [ 7906.174169][ T1167] __sys_sendmsg+0xcd/0x170 [ 7906.174169][ T1167] do_syscall_64+0xc6/0x1e0 [ 7906.174169][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7906.174169][ T1167] [ 7915.777125][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7915.777493][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7915.777493][ T10] netdev_get_by_index+0x5e/0x80 [ 7915.777493][ T10] fib6_nh_init+0x3d8/0x1580 [ 7915.777493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7915.777493][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7915.777493][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7915.777493][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7915.777493][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7915.777493][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7915.777493][ T10] addrconf_dad_begin+0x310/0x670 [ 7915.777493][ T10] addrconf_dad_work+0x10b/0xab0 [ 7915.777493][ T10] process_one_work+0x84d/0x18a0 [ 7915.777493][ T10] worker_thread+0x587/0xd30 [ 7915.777493][ T10] kthread+0x28a/0x350 [ 7915.777493][ T10] ret_from_fork+0x31/0x70 [ 7915.777493][ T10] ret_from_fork_asm+0x1a/0x30 [ 7915.777493][ T10] [ 7915.779443][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7915.779443][ T10] netdev_get_by_index+0x5e/0x80 [ 7915.779443][ T10] fib6_nh_init+0x3d8/0x1580 [ 7915.779443][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7915.779443][ T10] ip6_route_add+0x1c/0x140 [ 7915.779443][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7915.779443][ T10] inet6_addr_add+0x4f8/0xa40 [ 7915.779443][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7915.779443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7915.779443][ T10] netlink_rcv_skb+0x130/0x360 [ 7915.779443][ T10] netlink_unicast+0x449/0x710 [ 7915.779443][ T10] netlink_sendmsg+0x723/0xbe0 [ 7915.779443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7915.779443][ T10] ___sys_sendmsg+0xee/0x170 [ 7915.779443][ T10] __sys_sendmsg+0xcd/0x170 [ 7915.779443][ T10] do_syscall_64+0xc6/0x1e0 [ 7915.779443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7915.779443][ T10] [ 7915.781485][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7915.781485][ T10] netdev_get_by_index+0x5e/0x80 [ 7915.781485][ T10] fib6_nh_init+0x3d8/0x1580 [ 7915.781485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7915.781485][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7915.781485][ T10] ipv6_add_addr+0x411/0x2000 [ 7915.781485][ T10] inet6_addr_add+0x30e/0xa40 [ 7915.781485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7915.781485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7915.781485][ T10] netlink_rcv_skb+0x130/0x360 [ 7915.781485][ T10] netlink_unicast+0x449/0x710 [ 7915.781485][ T10] netlink_sendmsg+0x723/0xbe0 [ 7915.781485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7915.781485][ T10] ___sys_sendmsg+0xee/0x170 [ 7915.781485][ T10] __sys_sendmsg+0xcd/0x170 [ 7915.781485][ T10] do_syscall_64+0xc6/0x1e0 [ 7915.781485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7915.781485][ T10] [ 7915.783488][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7915.783488][ T10] netdev_get_by_index+0x5e/0x80 [ 7915.783488][ T10] fib6_nh_init+0x3d8/0x1580 [ 7915.783488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7915.783488][ T10] ip6_route_add+0x1c/0x140 [ 7915.783488][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7915.783488][ T10] addrconf_add_dev+0xe2/0x170 [ 7915.783488][ T10] inet6_addr_add+0x12f/0xa40 [ 7915.783488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7915.783488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7915.783488][ T10] netlink_rcv_skb+0x130/0x360 [ 7915.783488][ T10] netlink_unicast+0x449/0x710 [ 7915.783488][ T10] netlink_sendmsg+0x723/0xbe0 [ 7915.783488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7915.783488][ T10] ___sys_sendmsg+0xee/0x170 [ 7915.783488][ T10] __sys_sendmsg+0xcd/0x170 [ 7915.783488][ T10] do_syscall_64+0xc6/0x1e0 [ 7915.783488][ T10] [ 7915.785480][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7915.785480][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7915.785480][ T10] ipv6_find_idev+0x102/0x170 [ 7915.785480][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7915.785480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7915.785480][ T10] netlink_rcv_skb+0x130/0x360 [ 7915.785480][ T10] netlink_unicast+0x449/0x710 [ 7915.785480][ T10] netlink_sendmsg+0x723/0xbe0 [ 7915.785480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7915.785480][ T10] ___sys_sendmsg+0xee/0x170 [ 7915.785480][ T10] __sys_sendmsg+0xcd/0x170 [ 7915.785480][ T10] do_syscall_64+0xc6/0x1e0 [ 7915.785480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7915.785480][ T10] [ 7915.787026][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7915.787026][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7915.787026][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7915.787026][ T10] ipv6_find_idev+0x102/0x170 [ 7915.787026][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7915.787026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7915.787026][ T10] netlink_rcv_skb+0x130/0x360 [ 7915.787026][ T10] netlink_unicast+0x449/0x710 [ 7915.787026][ T10] netlink_sendmsg+0x723/0xbe0 [ 7915.787026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7915.787026][ T10] ___sys_sendmsg+0xee/0x170 [ 7915.787026][ T10] __sys_sendmsg+0xcd/0x170 [ 7915.787026][ T10] do_syscall_64+0xc6/0x1e0 [ 7915.787026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7915.787026][ T10] [ 7915.788730][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7915.788973][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7915.788973][ T10] netdev_get_by_index+0x5e/0x80 [ 7915.788973][ T10] fib6_nh_init+0x3d8/0x1580 [ 7915.788973][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7915.788973][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7915.788973][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7915.788973][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7915.788973][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7915.788973][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7915.788973][ T10] addrconf_dad_begin+0x310/0x670 [ 7915.788973][ T10] addrconf_dad_work+0x10b/0xab0 [ 7915.788973][ T10] process_one_work+0x84d/0x18a0 [ 7915.788973][ T10] worker_thread+0x587/0xd30 [ 7915.788973][ T10] kthread+0x28a/0x350 [ 7915.788973][ T10] ret_from_fork+0x31/0x70 [ 7915.788973][ T10] ret_from_fork_asm+0x1a/0x30 [ 7915.788973][ T10] [ 7915.790894][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7915.790894][ T10] netdev_get_by_index+0x5e/0x80 [ 7915.790894][ T10] fib6_nh_init+0x3d8/0x1580 [ 7915.790894][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7915.790894][ T10] ip6_route_add+0x1c/0x140 [ 7915.790894][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7915.790894][ T10] inet6_addr_add+0x4f8/0xa40 [ 7915.790894][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7915.790894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7915.790894][ T10] netlink_rcv_skb+0x130/0x360 [ 7915.790894][ T10] netlink_unicast+0x449/0x710 [ 7915.790894][ T10] netlink_sendmsg+0x723/0xbe0 [ 7915.790894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7915.790894][ T10] ___sys_sendmsg+0xee/0x170 [ 7915.790894][ T10] __sys_sendmsg+0xcd/0x170 [ 7915.790894][ T10] do_syscall_64+0xc6/0x1e0 [ 7915.790894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7915.790894][ T10] [ 7915.792909][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7915.792909][ T10] netdev_get_by_index+0x5e/0x80 [ 7915.792909][ T10] fib6_nh_init+0x3d8/0x1580 [ 7915.792909][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7915.792909][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7915.792909][ T10] ipv6_add_addr+0x411/0x2000 [ 7915.792909][ T10] inet6_addr_add+0x30e/0xa40 [ 7915.792909][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7915.792909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7915.792909][ T10] netlink_rcv_skb+0x130/0x360 [ 7915.792909][ T10] netlink_unicast+0x449/0x710 [ 7915.792909][ T10] netlink_sendmsg+0x723/0xbe0 [ 7915.792909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7915.792909][ T10] ___sys_sendmsg+0xee/0x170 [ 7915.792909][ T10] __sys_sendmsg+0xcd/0x170 [ 7915.792909][ T10] do_syscall_64+0xc6/0x1e0 [ 7915.792909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7915.792909][ T10] [ 7915.794915][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7915.794915][ T10] netdev_get_by_index+0x5e/0x80 [ 7915.794915][ T10] fib6_nh_init+0x3d8/0x1580 [ 7915.794915][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7915.794915][ T10] ip6_route_add+0x1c/0x140 [ 7915.794915][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7915.794915][ T10] addrconf_add_dev+0xe2/0x170 [ 7915.794915][ T10] inet6_addr_add+0x12f/0xa40 [ 7915.794915][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7915.794915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7915.794915][ T10] netlink_rcv_skb+0x130/0x360 [ 7915.794915][ T10] netlink_unicast+0x449/0x710 [ 7915.794915][ T10] netlink_sendmsg+0x723/0xbe0 [ 7915.794915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7915.794915][ T10] ___sys_sendmsg+0xee/0x170 [ 7915.794915][ T10] __sys_sendmsg+0xcd/0x170 [ 7915.794915][ T10] do_syscall_64+0xc6/0x1e0 [ 7915.794915][ T10] [ 7915.796882][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7915.796882][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7915.796882][ T10] ipv6_find_idev+0x102/0x170 [ 7915.796882][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7915.796882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7915.796882][ T10] netlink_rcv_skb+0x130/0x360 [ 7915.796882][ T10] netlink_unicast+0x449/0x710 [ 7915.796882][ T10] netlink_sendmsg+0x723/0xbe0 [ 7915.796882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7915.796882][ T10] ___sys_sendmsg+0xee/0x170 [ 7915.796882][ T10] __sys_sendmsg+0xcd/0x170 [ 7915.796882][ T10] do_syscall_64+0xc6/0x1e0 [ 7915.796882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7915.796882][ T10] [ 7915.798428][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7915.798428][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7915.798428][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7915.798428][ T10] ipv6_find_idev+0x102/0x170 [ 7915.798428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7915.798428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7915.798428][ T10] netlink_rcv_skb+0x130/0x360 [ 7915.798428][ T10] netlink_unicast+0x449/0x710 [ 7915.798428][ T10] netlink_sendmsg+0x723/0xbe0 [ 7915.798428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7915.798428][ T10] ___sys_sendmsg+0xee/0x170 [ 7915.798428][ T10] __sys_sendmsg+0xcd/0x170 [ 7915.798428][ T10] do_syscall_64+0xc6/0x1e0 [ 7915.798428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7915.798428][ T10] [ 7915.800121][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7915.800358][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7915.800358][ T10] netdev_get_by_index+0x5e/0x80 [ 7915.800358][ T10] fib6_nh_init+0x3d8/0x1580 [ 7915.800358][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7915.800358][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7915.800358][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7915.800358][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7915.800358][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7915.800358][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7915.800358][ T10] addrconf_dad_begin+0x310/0x670 [ 7915.800358][ T10] addrconf_dad_work+0x10b/0xab0 [ 7915.800358][ T10] process_one_work+0x84d/0x18a0 [ 7915.800358][ T10] worker_thread+0x587/0xd30 [ 7915.800358][ T10] kthread+0x28a/0x350 [ 7915.800358][ T10] ret_from_fork+0x31/0x70 [ 7915.800358][ T10] ret_from_fork_asm+0x1a/0x30 [ 7915.800358][ T10] [ 7915.802275][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7915.802275][ T10] netdev_get_by_index+0x5e/0x80 [ 7915.802275][ T10] fib6_nh_init+0x3d8/0x1580 [ 7915.802275][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7915.802275][ T10] ip6_route_add+0x1c/0x140 [ 7915.802275][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7915.802275][ T10] inet6_addr_add+0x4f8/0xa40 [ 7915.802275][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7915.802275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7915.802275][ T10] netlink_rcv_skb+0x130/0x360 [ 7915.802275][ T10] netlink_unicast+0x449/0x710 [ 7915.802275][ T10] netlink_sendmsg+0x723/0xbe0 [ 7915.802275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7915.802275][ T10] ___sys_sendmsg+0xee/0x170 [ 7915.802275][ T10] __sys_sendmsg+0xcd/0x170 [ 7915.802275][ T10] do_syscall_64+0xc6/0x1e0 [ 7915.802275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7915.802275][ T10] [ 7915.804466][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7915.804466][ T10] netdev_get_by_index+0x5e/0x80 [ 7915.804466][ T10] fib6_nh_init+0x3d8/0x1580 [ 7915.804466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7915.804466][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7915.804466][ T10] ipv6_add_addr+0x411/0x2000 [ 7915.804466][ T10] inet6_addr_add+0x30e/0xa40 [ 7915.804466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7915.804466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7915.804466][ T10] netlink_rcv_skb+0x130/0x360 [ 7915.804466][ T10] netlink_unicast+0x449/0x710 [ 7915.804466][ T10] netlink_sendmsg+0x723/0xbe0 [ 7915.804466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7915.804466][ T10] ___sys_sendmsg+0xee/0x170 [ 7915.804466][ T10] __sys_sendmsg+0xcd/0x170 [ 7915.804466][ T10] do_syscall_64+0xc6/0x1e0 [ 7915.804466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7915.804466][ T10] [ 7915.806778][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7915.806778][ T10] netdev_get_by_index+0x5e/0x80 [ 7915.806778][ T10] fib6_nh_init+0x3d8/0x1580 [ 7915.806778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7915.806778][ T10] ip6_route_add+0x1c/0x140 [ 7915.806778][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7915.806778][ T10] addrconf_add_dev+0xe2/0x170 [ 7915.806778][ T10] inet6_addr_add+0x12f/0xa40 [ 7915.806778][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7915.806778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7915.806778][ T10] netlink_rcv_skb+0x130/0x360 [ 7915.806778][ T10] netlink_unicast+0x449/0x710 [ 7915.806778][ T10] netlink_sendmsg+0x723/0xbe0 [ 7915.806778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7915.806778][ T10] ___sys_sendmsg+0xee/0x170 [ 7915.806778][ T10] __sys_sendmsg+0xcd/0x170 [ 7915.806778][ T10] do_syscall_64+0xc6/0x1e0 [ 7915.806778][ T10] [ 7915.808913][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7915.808913][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7915.808913][ T10] ipv6_find_idev+0x102/0x170 [ 7915.808913][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7915.808913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7915.808913][ T10] netlink_rcv_skb+0x130/0x360 [ 7915.808913][ T10] netlink_unicast+0x449/0x710 [ 7915.808913][ T10] netlink_sendmsg+0x723/0xbe0 [ 7915.808913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7915.808913][ T10] ___sys_sendmsg+0xee/0x170 [ 7915.808913][ T10] __sys_sendmsg+0xcd/0x170 [ 7915.808913][ T10] do_syscall_64+0xc6/0x1e0 [ 7915.808913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7915.808913][ T10] [ 7915.810643][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7915.810643][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7915.810643][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7915.810643][ T10] ipv6_find_idev+0x102/0x170 [ 7915.810643][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7915.810643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7915.810643][ T10] netlink_rcv_skb+0x130/0x360 [ 7915.810643][ T10] netlink_unicast+0x449/0x710 [ 7915.810643][ T10] netlink_sendmsg+0x723/0xbe0 [ 7915.810643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7915.810643][ T10] ___sys_sendmsg+0xee/0x170 [ 7915.810643][ T10] __sys_sendmsg+0xcd/0x170 [ 7915.810643][ T10] do_syscall_64+0xc6/0x1e0 [ 7915.810643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7915.810643][ T10] [ 7915.812573][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7915.812816][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7915.812816][ T10] netdev_get_by_index+0x5e/0x80 [ 7915.812816][ T10] fib6_nh_init+0x3d8/0x1580 [ 7915.812816][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7915.812816][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7915.812816][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7915.812816][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7915.812816][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7915.812816][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7915.812816][ T10] addrconf_dad_begin+0x310/0x670 [ 7915.812816][ T10] addrconf_dad_work+0x10b/0xab0 [ 7915.812816][ T10] process_one_work+0x84d/0x18a0 [ 7915.812816][ T10] worker_thread+0x587/0xd30 [ 7915.812816][ T10] kthread+0x28a/0x350 [ 7915.812816][ T10] ret_from_fork+0x31/0x70 [ 7915.812816][ T10] ret_from_fork_asm+0x1a/0x30 [ 7915.812816][ T10] [ 7915.815033][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7915.815033][ T10] netdev_get_by_index+0x5e/0x80 [ 7915.815033][ T10] fib6_nh_init+0x3d8/0x1580 [ 7915.815033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7915.815033][ T10] ip6_route_add+0x1c/0x140 [ 7915.815033][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7915.815033][ T10] inet6_addr_add+0x4f8/0xa40 [ 7915.815033][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7915.815033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7915.815033][ T10] netlink_rcv_skb+0x130/0x360 [ 7915.815033][ T10] netlink_unicast+0x449/0x710 [ 7915.815033][ T10] netlink_sendmsg+0x723/0xbe0 [ 7915.815033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7915.815033][ T10] ___sys_sendmsg+0xee/0x170 [ 7915.815033][ T10] __sys_sendmsg+0xcd/0x170 [ 7915.815033][ T10] do_syscall_64+0xc6/0x1e0 [ 7915.815033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7915.815033][ T10] [ 7915.817219][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7915.817219][ T10] netdev_get_by_index+0x5e/0x80 [ 7915.817219][ T10] fib6_nh_init+0x3d8/0x1580 [ 7915.817219][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7915.817219][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7915.817219][ T10] ipv6_add_addr+0x411/0x2000 [ 7915.817219][ T10] inet6_addr_add+0x30e/0xa40 [ 7915.817219][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7915.817219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7915.817219][ T10] netlink_rcv_skb+0x130/0x360 [ 7915.817219][ T10] netlink_unicast+0x449/0x710 [ 7915.817219][ T10] netlink_sendmsg+0x723/0xbe0 [ 7915.817219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7915.817219][ T10] ___sys_sendmsg+0xee/0x170 [ 7915.817219][ T10] __sys_sendmsg+0xcd/0x170 [ 7915.817219][ T10] do_syscall_64+0xc6/0x1e0 [ 7915.817219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7915.817219][ T10] [ 7915.819457][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7915.819457][ T10] netdev_get_by_index+0x5e/0x80 [ 7915.819457][ T10] fib6_nh_init+0x3d8/0x1580 [ 7915.819457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7915.819457][ T10] ip6_route_add+0x1c/0x140 [ 7915.819457][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7915.819457][ T10] addrconf_add_dev+0xe2/0x170 [ 7915.819457][ T10] inet6_addr_add+0x12f/0xa40 [ 7915.819457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7915.819457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7915.819457][ T10] netlink_rcv_skb+0x130/0x360 [ 7915.819457][ T10] netlink_unicast+0x449/0x710 [ 7915.819457][ T10] netlink_sendmsg+0x723/0xbe0 [ 7915.819457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7915.819457][ T10] ___sys_sendmsg+0xee/0x170 [ 7915.819457][ T10] __sys_sendmsg+0xcd/0x170 [ 7915.819457][ T10] do_syscall_64+0xc6/0x1e0 [ 7915.819457][ T10] [ 7915.821672][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7915.821672][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7915.821672][ T10] ipv6_find_idev+0x102/0x170 [ 7915.821672][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7915.821672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7915.821672][ T10] netlink_rcv_skb+0x130/0x360 [ 7915.821672][ T10] netlink_unicast+0x449/0x710 [ 7915.821672][ T10] netlink_sendmsg+0x723/0xbe0 [ 7915.821672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7915.821672][ T10] ___sys_sendmsg+0xee/0x170 [ 7915.821672][ T10] __sys_sendmsg+0xcd/0x170 [ 7915.821672][ T10] do_syscall_64+0xc6/0x1e0 [ 7915.821672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7915.821672][ T10] [ 7915.823391][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7915.823391][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7915.823391][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7915.823391][ T10] ipv6_find_idev+0x102/0x170 [ 7915.823391][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7915.823391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7915.823391][ T10] netlink_rcv_skb+0x130/0x360 [ 7915.823391][ T10] netlink_unicast+0x449/0x710 [ 7915.823391][ T10] netlink_sendmsg+0x723/0xbe0 [ 7915.823391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7915.823391][ T10] ___sys_sendmsg+0xee/0x170 [ 7915.823391][ T10] __sys_sendmsg+0xcd/0x170 [ 7915.823391][ T10] do_syscall_64+0xc6/0x1e0 [ 7915.823391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7915.823391][ T10] [ 7916.281054][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7916.281459][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7916.281459][ T1167] dst_init+0x84/0x4a0 [ 7916.281459][ T1167] dst_alloc+0x97/0x150 [ 7916.281459][ T1167] ip6_dst_alloc+0x23/0x90 [ 7916.281459][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7916.281459][ T1167] ip6_pol_route+0x56f/0x840 [ 7916.281459][ T1167] fib6_rule_lookup+0x334/0x630 [ 7916.281459][ T1167] ip6_route_output_flags+0x259/0x480 [ 7916.281459][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7916.281459][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7916.281459][ T1167] netlink_rcv_skb+0x130/0x360 [ 7916.281459][ T1167] netlink_unicast+0x449/0x710 [ 7916.281459][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7916.281459][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7916.281459][ T1167] ___sys_sendmsg+0xee/0x170 [ 7916.281459][ T1167] __sys_sendmsg+0xcd/0x170 [ 7916.281459][ T1167] do_syscall_64+0xc6/0x1e0 [ 7916.281459][ T1167] [ 7916.283654][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7916.283654][ T1167] netdev_get_by_index+0x5e/0x80 [ 7916.283654][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7916.283654][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7916.283654][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7916.283654][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7916.283654][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7916.283654][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7916.283654][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7916.283654][ T1167] addrconf_dad_begin+0x310/0x670 [ 7916.283654][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7916.283654][ T1167] process_one_work+0x84d/0x18a0 [ 7916.283654][ T1167] worker_thread+0x587/0xd30 [ 7916.283654][ T1167] kthread+0x28a/0x350 [ 7916.283654][ T1167] ret_from_fork+0x31/0x70 [ 7916.283654][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7916.283654][ T1167] [ 7916.285794][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7916.285794][ T1167] netdev_get_by_index+0x5e/0x80 [ 7916.285794][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7916.285794][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7916.285794][ T1167] ip6_route_add+0x1c/0x140 [ 7916.285794][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7916.285794][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7916.285794][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7916.285794][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7916.285794][ T1167] netlink_rcv_skb+0x130/0x360 [ 7916.285794][ T1167] netlink_unicast+0x449/0x710 [ 7916.285794][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7916.285794][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7916.285794][ T1167] ___sys_sendmsg+0xee/0x170 [ 7916.285794][ T1167] __sys_sendmsg+0xcd/0x170 [ 7916.285794][ T1167] do_syscall_64+0xc6/0x1e0 [ 7916.285794][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7916.285794][ T1167] [ 7916.288058][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7916.288058][ T1167] netdev_get_by_index+0x5e/0x80 [ 7916.288058][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7916.288058][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7916.288058][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7916.288058][ T1167] ipv6_add_addr+0x411/0x2000 [ 7916.288058][ T1167] inet6_addr_add+0x30e/0xa40 [ 7916.288058][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7916.288058][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7916.288058][ T1167] netlink_rcv_skb+0x130/0x360 [ 7916.288058][ T1167] netlink_unicast+0x449/0x710 [ 7916.288058][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7916.288058][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7916.288058][ T1167] ___sys_sendmsg+0xee/0x170 [ 7916.288058][ T1167] __sys_sendmsg+0xcd/0x170 [ 7916.288058][ T1167] do_syscall_64+0xc6/0x1e0 [ 7916.288058][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7916.288058][ T1167] [ 7916.290307][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7916.290307][ T1167] netdev_get_by_index+0x5e/0x80 [ 7916.290307][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7916.290307][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7916.290307][ T1167] ip6_route_add+0x1c/0x140 [ 7916.290307][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7916.290307][ T1167] addrconf_add_dev+0xe2/0x170 [ 7916.290307][ T1167] inet6_addr_add+0x12f/0xa40 [ 7916.290307][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7916.290307][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7916.290307][ T1167] netlink_rcv_skb+0x130/0x360 [ 7916.290307][ T1167] netlink_unicast+0x449/0x710 [ 7916.290307][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7916.290307][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7916.290307][ T1167] ___sys_sendmsg+0xee/0x170 [ 7916.290307][ T1167] __sys_sendmsg+0xcd/0x170 [ 7916.290307][ T1167] do_syscall_64+0xc6/0x1e0 [ 7916.290307][ T1167] [ 7916.292583][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7916.292583][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7916.292583][ T1167] ipv6_find_idev+0x102/0x170 [ 7916.292583][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7916.292583][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7916.292583][ T1167] netlink_rcv_skb+0x130/0x360 [ 7916.292583][ T1167] netlink_unicast+0x449/0x710 [ 7916.292583][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7916.292583][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7916.292583][ T1167] ___sys_sendmsg+0xee/0x170 [ 7916.292583][ T1167] __sys_sendmsg+0xcd/0x170 [ 7916.292583][ T1167] do_syscall_64+0xc6/0x1e0 [ 7916.292583][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7916.292583][ T1167] [ 7916.294313][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7916.294313][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7916.294313][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7916.294313][ T1167] ipv6_find_idev+0x102/0x170 [ 7916.294313][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7916.294313][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7916.294313][ T1167] netlink_rcv_skb+0x130/0x360 [ 7916.294313][ T1167] netlink_unicast+0x449/0x710 [ 7916.294313][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7916.294313][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7916.294313][ T1167] ___sys_sendmsg+0xee/0x170 [ 7916.294313][ T1167] __sys_sendmsg+0xcd/0x170 [ 7916.294313][ T1167] do_syscall_64+0xc6/0x1e0 [ 7916.294313][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7916.294313][ T1167] [ 7926.017074][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7926.017466][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7926.017466][ T10] netdev_get_by_index+0x5e/0x80 [ 7926.017466][ T10] fib6_nh_init+0x3d8/0x1580 [ 7926.017466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7926.017466][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7926.017466][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7926.017466][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7926.017466][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7926.017466][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7926.017466][ T10] addrconf_dad_begin+0x310/0x670 [ 7926.017466][ T10] addrconf_dad_work+0x10b/0xab0 [ 7926.017466][ T10] process_one_work+0x84d/0x18a0 [ 7926.017466][ T10] worker_thread+0x587/0xd30 [ 7926.017466][ T10] kthread+0x28a/0x350 [ 7926.017466][ T10] ret_from_fork+0x31/0x70 [ 7926.017466][ T10] ret_from_fork_asm+0x1a/0x30 [ 7926.017466][ T10] [ 7926.019381][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7926.019381][ T10] netdev_get_by_index+0x5e/0x80 [ 7926.019381][ T10] fib6_nh_init+0x3d8/0x1580 [ 7926.019381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7926.019381][ T10] ip6_route_add+0x1c/0x140 [ 7926.019381][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7926.019381][ T10] inet6_addr_add+0x4f8/0xa40 [ 7926.019381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7926.019381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7926.019381][ T10] netlink_rcv_skb+0x130/0x360 [ 7926.019381][ T10] netlink_unicast+0x449/0x710 [ 7926.019381][ T10] netlink_sendmsg+0x723/0xbe0 [ 7926.019381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7926.019381][ T10] ___sys_sendmsg+0xee/0x170 [ 7926.019381][ T10] __sys_sendmsg+0xcd/0x170 [ 7926.019381][ T10] do_syscall_64+0xc6/0x1e0 [ 7926.019381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7926.019381][ T10] [ 7926.021399][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7926.021399][ T10] netdev_get_by_index+0x5e/0x80 [ 7926.021399][ T10] fib6_nh_init+0x3d8/0x1580 [ 7926.021399][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7926.021399][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7926.021399][ T10] ipv6_add_addr+0x411/0x2000 [ 7926.021399][ T10] inet6_addr_add+0x30e/0xa40 [ 7926.021399][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7926.021399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7926.021399][ T10] netlink_rcv_skb+0x130/0x360 [ 7926.021399][ T10] netlink_unicast+0x449/0x710 [ 7926.021399][ T10] netlink_sendmsg+0x723/0xbe0 [ 7926.021399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7926.021399][ T10] ___sys_sendmsg+0xee/0x170 [ 7926.021399][ T10] __sys_sendmsg+0xcd/0x170 [ 7926.021399][ T10] do_syscall_64+0xc6/0x1e0 [ 7926.021399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7926.021399][ T10] [ 7926.023398][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7926.023398][ T10] netdev_get_by_index+0x5e/0x80 [ 7926.023398][ T10] fib6_nh_init+0x3d8/0x1580 [ 7926.023398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7926.023398][ T10] ip6_route_add+0x1c/0x140 [ 7926.023398][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7926.023398][ T10] addrconf_add_dev+0xe2/0x170 [ 7926.023398][ T10] inet6_addr_add+0x12f/0xa40 [ 7926.023398][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7926.023398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7926.023398][ T10] netlink_rcv_skb+0x130/0x360 [ 7926.023398][ T10] netlink_unicast+0x449/0x710 [ 7926.023398][ T10] netlink_sendmsg+0x723/0xbe0 [ 7926.023398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7926.023398][ T10] ___sys_sendmsg+0xee/0x170 [ 7926.023398][ T10] __sys_sendmsg+0xcd/0x170 [ 7926.023398][ T10] do_syscall_64+0xc6/0x1e0 [ 7926.023398][ T10] [ 7926.025363][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7926.025363][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7926.025363][ T10] ipv6_find_idev+0x102/0x170 [ 7926.025363][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7926.025363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7926.025363][ T10] netlink_rcv_skb+0x130/0x360 [ 7926.025363][ T10] netlink_unicast+0x449/0x710 [ 7926.025363][ T10] netlink_sendmsg+0x723/0xbe0 [ 7926.025363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7926.025363][ T10] ___sys_sendmsg+0xee/0x170 [ 7926.025363][ T10] __sys_sendmsg+0xcd/0x170 [ 7926.025363][ T10] do_syscall_64+0xc6/0x1e0 [ 7926.025363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7926.025363][ T10] [ 7926.026896][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7926.026896][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7926.026896][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7926.026896][ T10] ipv6_find_idev+0x102/0x170 [ 7926.026896][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7926.026896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7926.026896][ T10] netlink_rcv_skb+0x130/0x360 [ 7926.026896][ T10] netlink_unicast+0x449/0x710 [ 7926.026896][ T10] netlink_sendmsg+0x723/0xbe0 [ 7926.026896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7926.026896][ T10] ___sys_sendmsg+0xee/0x170 [ 7926.026896][ T10] __sys_sendmsg+0xcd/0x170 [ 7926.026896][ T10] do_syscall_64+0xc6/0x1e0 [ 7926.026896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7926.026896][ T10] [ 7926.028572][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7926.028813][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7926.028813][ T10] netdev_get_by_index+0x5e/0x80 [ 7926.028813][ T10] fib6_nh_init+0x3d8/0x1580 [ 7926.028813][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7926.028813][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7926.028813][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7926.028813][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7926.028813][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7926.028813][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7926.028813][ T10] addrconf_dad_begin+0x310/0x670 [ 7926.028813][ T10] addrconf_dad_work+0x10b/0xab0 [ 7926.028813][ T10] process_one_work+0x84d/0x18a0 [ 7926.028813][ T10] worker_thread+0x587/0xd30 [ 7926.028813][ T10] kthread+0x28a/0x350 [ 7926.028813][ T10] ret_from_fork+0x31/0x70 [ 7926.028813][ T10] ret_from_fork_asm+0x1a/0x30 [ 7926.028813][ T10] [ 7926.030706][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7926.030706][ T10] netdev_get_by_index+0x5e/0x80 [ 7926.030706][ T10] fib6_nh_init+0x3d8/0x1580 [ 7926.030706][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7926.030706][ T10] ip6_route_add+0x1c/0x140 [ 7926.030706][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7926.030706][ T10] inet6_addr_add+0x4f8/0xa40 [ 7926.030706][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7926.030706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7926.030706][ T10] netlink_rcv_skb+0x130/0x360 [ 7926.030706][ T10] netlink_unicast+0x449/0x710 [ 7926.030706][ T10] netlink_sendmsg+0x723/0xbe0 [ 7926.030706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7926.030706][ T10] ___sys_sendmsg+0xee/0x170 [ 7926.030706][ T10] __sys_sendmsg+0xcd/0x170 [ 7926.030706][ T10] do_syscall_64+0xc6/0x1e0 [ 7926.030706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7926.030706][ T10] [ 7926.032696][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7926.032696][ T10] netdev_get_by_index+0x5e/0x80 [ 7926.032696][ T10] fib6_nh_init+0x3d8/0x1580 [ 7926.032696][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7926.032696][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7926.032696][ T10] ipv6_add_addr+0x411/0x2000 [ 7926.032696][ T10] inet6_addr_add+0x30e/0xa40 [ 7926.032696][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7926.032696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7926.032696][ T10] netlink_rcv_skb+0x130/0x360 [ 7926.032696][ T10] netlink_unicast+0x449/0x710 [ 7926.032696][ T10] netlink_sendmsg+0x723/0xbe0 [ 7926.032696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7926.032696][ T10] ___sys_sendmsg+0xee/0x170 [ 7926.032696][ T10] __sys_sendmsg+0xcd/0x170 [ 7926.032696][ T10] do_syscall_64+0xc6/0x1e0 [ 7926.032696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7926.032696][ T10] [ 7926.034677][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7926.034677][ T10] netdev_get_by_index+0x5e/0x80 [ 7926.034677][ T10] fib6_nh_init+0x3d8/0x1580 [ 7926.034677][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7926.034677][ T10] ip6_route_add+0x1c/0x140 [ 7926.034677][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7926.034677][ T10] addrconf_add_dev+0xe2/0x170 [ 7926.034677][ T10] inet6_addr_add+0x12f/0xa40 [ 7926.034677][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7926.034677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7926.034677][ T10] netlink_rcv_skb+0x130/0x360 [ 7926.034677][ T10] netlink_unicast+0x449/0x710 [ 7926.034677][ T10] netlink_sendmsg+0x723/0xbe0 [ 7926.034677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7926.034677][ T10] ___sys_sendmsg+0xee/0x170 [ 7926.034677][ T10] __sys_sendmsg+0xcd/0x170 [ 7926.034677][ T10] do_syscall_64+0xc6/0x1e0 [ 7926.034677][ T10] [ 7926.036627][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7926.036627][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7926.036627][ T10] ipv6_find_idev+0x102/0x170 [ 7926.036627][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7926.036627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7926.036627][ T10] netlink_rcv_skb+0x130/0x360 [ 7926.036627][ T10] netlink_unicast+0x449/0x710 [ 7926.036627][ T10] netlink_sendmsg+0x723/0xbe0 [ 7926.036627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7926.036627][ T10] ___sys_sendmsg+0xee/0x170 [ 7926.036627][ T10] __sys_sendmsg+0xcd/0x170 [ 7926.036627][ T10] do_syscall_64+0xc6/0x1e0 [ 7926.036627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7926.036627][ T10] [ 7926.038167][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7926.038167][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7926.038167][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7926.038167][ T10] ipv6_find_idev+0x102/0x170 [ 7926.038167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7926.038167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7926.038167][ T10] netlink_rcv_skb+0x130/0x360 [ 7926.038167][ T10] netlink_unicast+0x449/0x710 [ 7926.038167][ T10] netlink_sendmsg+0x723/0xbe0 [ 7926.038167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7926.038167][ T10] ___sys_sendmsg+0xee/0x170 [ 7926.038167][ T10] __sys_sendmsg+0xcd/0x170 [ 7926.038167][ T10] do_syscall_64+0xc6/0x1e0 [ 7926.038167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7926.038167][ T10] [ 7926.039844][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7926.040092][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7926.040092][ T10] netdev_get_by_index+0x5e/0x80 [ 7926.040092][ T10] fib6_nh_init+0x3d8/0x1580 [ 7926.040092][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7926.040092][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7926.040092][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7926.040092][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7926.040092][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7926.040092][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7926.040092][ T10] addrconf_dad_begin+0x310/0x670 [ 7926.040092][ T10] addrconf_dad_work+0x10b/0xab0 [ 7926.040092][ T10] process_one_work+0x84d/0x18a0 [ 7926.040092][ T10] worker_thread+0x587/0xd30 [ 7926.040092][ T10] kthread+0x28a/0x350 [ 7926.040092][ T10] ret_from_fork+0x31/0x70 [ 7926.040092][ T10] ret_from_fork_asm+0x1a/0x30 [ 7926.040092][ T10] [ 7926.042021][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7926.042021][ T10] netdev_get_by_index+0x5e/0x80 [ 7926.042021][ T10] fib6_nh_init+0x3d8/0x1580 [ 7926.042021][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7926.042021][ T10] ip6_route_add+0x1c/0x140 [ 7926.042021][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7926.042021][ T10] inet6_addr_add+0x4f8/0xa40 [ 7926.042021][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7926.042021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7926.042021][ T10] netlink_rcv_skb+0x130/0x360 [ 7926.042021][ T10] netlink_unicast+0x449/0x710 [ 7926.042021][ T10] netlink_sendmsg+0x723/0xbe0 [ 7926.042021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7926.042021][ T10] ___sys_sendmsg+0xee/0x170 [ 7926.042021][ T10] __sys_sendmsg+0xcd/0x170 [ 7926.042021][ T10] do_syscall_64+0xc6/0x1e0 [ 7926.042021][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7926.042021][ T10] [ 7926.044306][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7926.044306][ T10] netdev_get_by_index+0x5e/0x80 [ 7926.044306][ T10] fib6_nh_init+0x3d8/0x1580 [ 7926.044306][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7926.044306][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7926.044306][ T10] ipv6_add_addr+0x411/0x2000 [ 7926.044306][ T10] inet6_addr_add+0x30e/0xa40 [ 7926.044306][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7926.044306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7926.044306][ T10] netlink_rcv_skb+0x130/0x360 [ 7926.044306][ T10] netlink_unicast+0x449/0x710 [ 7926.044306][ T10] netlink_sendmsg+0x723/0xbe0 [ 7926.044306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7926.044306][ T10] ___sys_sendmsg+0xee/0x170 [ 7926.044306][ T10] __sys_sendmsg+0xcd/0x170 [ 7926.044306][ T10] do_syscall_64+0xc6/0x1e0 [ 7926.044306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7926.044306][ T10] [ 7926.046461][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7926.046461][ T10] netdev_get_by_index+0x5e/0x80 [ 7926.046461][ T10] fib6_nh_init+0x3d8/0x1580 [ 7926.046461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7926.046461][ T10] ip6_route_add+0x1c/0x140 [ 7926.046461][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7926.046461][ T10] addrconf_add_dev+0xe2/0x170 [ 7926.046461][ T10] inet6_addr_add+0x12f/0xa40 [ 7926.046461][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7926.046461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7926.046461][ T10] netlink_rcv_skb+0x130/0x360 [ 7926.046461][ T10] netlink_unicast+0x449/0x710 [ 7926.046461][ T10] netlink_sendmsg+0x723/0xbe0 [ 7926.046461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7926.046461][ T10] ___sys_sendmsg+0xee/0x170 [ 7926.046461][ T10] __sys_sendmsg+0xcd/0x170 [ 7926.046461][ T10] do_syscall_64+0xc6/0x1e0 [ 7926.046461][ T10] [ 7926.048645][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7926.048645][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7926.048645][ T10] ipv6_find_idev+0x102/0x170 [ 7926.048645][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7926.048645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7926.048645][ T10] netlink_rcv_skb+0x130/0x360 [ 7926.048645][ T10] netlink_unicast+0x449/0x710 [ 7926.048645][ T10] netlink_sendmsg+0x723/0xbe0 [ 7926.048645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7926.048645][ T10] ___sys_sendmsg+0xee/0x170 [ 7926.048645][ T10] __sys_sendmsg+0xcd/0x170 [ 7926.048645][ T10] do_syscall_64+0xc6/0x1e0 [ 7926.048645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7926.048645][ T10] [ 7926.050360][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7926.050360][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7926.050360][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7926.050360][ T10] ipv6_find_idev+0x102/0x170 [ 7926.050360][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7926.050360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7926.050360][ T10] netlink_rcv_skb+0x130/0x360 [ 7926.050360][ T10] netlink_unicast+0x449/0x710 [ 7926.050360][ T10] netlink_sendmsg+0x723/0xbe0 [ 7926.050360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7926.050360][ T10] ___sys_sendmsg+0xee/0x170 [ 7926.050360][ T10] __sys_sendmsg+0xcd/0x170 [ 7926.050360][ T10] do_syscall_64+0xc6/0x1e0 [ 7926.050360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7926.050360][ T10] [ 7926.052250][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7926.052566][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7926.052566][ T10] netdev_get_by_index+0x5e/0x80 [ 7926.052566][ T10] fib6_nh_init+0x3d8/0x1580 [ 7926.052566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7926.052566][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7926.052566][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7926.052566][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7926.052566][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7926.052566][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7926.052566][ T10] addrconf_dad_begin+0x310/0x670 [ 7926.052566][ T10] addrconf_dad_work+0x10b/0xab0 [ 7926.052566][ T10] process_one_work+0x84d/0x18a0 [ 7926.052566][ T10] worker_thread+0x587/0xd30 [ 7926.052566][ T10] kthread+0x28a/0x350 [ 7926.052566][ T10] ret_from_fork+0x31/0x70 [ 7926.052566][ T10] ret_from_fork_asm+0x1a/0x30 [ 7926.052566][ T10] [ 7926.054631][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7926.054631][ T10] netdev_get_by_index+0x5e/0x80 [ 7926.054631][ T10] fib6_nh_init+0x3d8/0x1580 [ 7926.054631][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7926.054631][ T10] ip6_route_add+0x1c/0x140 [ 7926.054631][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7926.054631][ T10] inet6_addr_add+0x4f8/0xa40 [ 7926.054631][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7926.054631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7926.054631][ T10] netlink_rcv_skb+0x130/0x360 [ 7926.054631][ T10] netlink_unicast+0x449/0x710 [ 7926.054631][ T10] netlink_sendmsg+0x723/0xbe0 [ 7926.054631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7926.054631][ T10] ___sys_sendmsg+0xee/0x170 [ 7926.054631][ T10] __sys_sendmsg+0xcd/0x170 [ 7926.054631][ T10] do_syscall_64+0xc6/0x1e0 [ 7926.054631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7926.054631][ T10] [ 7926.056844][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7926.056844][ T10] netdev_get_by_index+0x5e/0x80 [ 7926.056844][ T10] fib6_nh_init+0x3d8/0x1580 [ 7926.056844][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7926.056844][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7926.056844][ T10] ipv6_add_addr+0x411/0x2000 [ 7926.056844][ T10] inet6_addr_add+0x30e/0xa40 [ 7926.056844][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7926.056844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7926.056844][ T10] netlink_rcv_skb+0x130/0x360 [ 7926.056844][ T10] netlink_unicast+0x449/0x710 [ 7926.056844][ T10] netlink_sendmsg+0x723/0xbe0 [ 7926.056844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7926.056844][ T10] ___sys_sendmsg+0xee/0x170 [ 7926.056844][ T10] __sys_sendmsg+0xcd/0x170 [ 7926.056844][ T10] do_syscall_64+0xc6/0x1e0 [ 7926.056844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7926.056844][ T10] [ 7926.059056][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7926.059056][ T10] netdev_get_by_index+0x5e/0x80 [ 7926.059056][ T10] fib6_nh_init+0x3d8/0x1580 [ 7926.059056][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7926.059056][ T10] ip6_route_add+0x1c/0x140 [ 7926.059056][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7926.059056][ T10] addrconf_add_dev+0xe2/0x170 [ 7926.059056][ T10] inet6_addr_add+0x12f/0xa40 [ 7926.059056][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7926.059056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7926.059056][ T10] netlink_rcv_skb+0x130/0x360 [ 7926.059056][ T10] netlink_unicast+0x449/0x710 [ 7926.059056][ T10] netlink_sendmsg+0x723/0xbe0 [ 7926.059056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7926.059056][ T10] ___sys_sendmsg+0xee/0x170 [ 7926.059056][ T10] __sys_sendmsg+0xcd/0x170 [ 7926.059056][ T10] do_syscall_64+0xc6/0x1e0 [ 7926.059056][ T10] [ 7926.061238][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7926.061238][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7926.061238][ T10] ipv6_find_idev+0x102/0x170 [ 7926.061238][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7926.061238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7926.061238][ T10] netlink_rcv_skb+0x130/0x360 [ 7926.061238][ T10] netlink_unicast+0x449/0x710 [ 7926.061238][ T10] netlink_sendmsg+0x723/0xbe0 [ 7926.061238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7926.061238][ T10] ___sys_sendmsg+0xee/0x170 [ 7926.061238][ T10] __sys_sendmsg+0xcd/0x170 [ 7926.061238][ T10] do_syscall_64+0xc6/0x1e0 [ 7926.061238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7926.061238][ T10] [ 7926.063008][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7926.063008][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7926.063008][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7926.063008][ T10] ipv6_find_idev+0x102/0x170 [ 7926.063008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7926.063008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7926.063008][ T10] netlink_rcv_skb+0x130/0x360 [ 7926.063008][ T10] netlink_unicast+0x449/0x710 [ 7926.063008][ T10] netlink_sendmsg+0x723/0xbe0 [ 7926.063008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7926.063008][ T10] ___sys_sendmsg+0xee/0x170 [ 7926.063008][ T10] __sys_sendmsg+0xcd/0x170 [ 7926.063008][ T10] do_syscall_64+0xc6/0x1e0 [ 7926.063008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7926.063008][ T10] [ 7926.529132][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7926.529578][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7926.529578][ T1167] dst_init+0x84/0x4a0 [ 7926.529578][ T1167] dst_alloc+0x97/0x150 [ 7926.529578][ T1167] ip6_dst_alloc+0x23/0x90 [ 7926.529578][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7926.529578][ T1167] ip6_pol_route+0x56f/0x840 [ 7926.529578][ T1167] fib6_rule_lookup+0x334/0x630 [ 7926.529578][ T1167] ip6_route_output_flags+0x259/0x480 [ 7926.529578][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7926.529578][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7926.529578][ T1167] netlink_rcv_skb+0x130/0x360 [ 7926.529578][ T1167] netlink_unicast+0x449/0x710 [ 7926.529578][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7926.529578][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7926.529578][ T1167] ___sys_sendmsg+0xee/0x170 [ 7926.529578][ T1167] __sys_sendmsg+0xcd/0x170 [ 7926.529578][ T1167] do_syscall_64+0xc6/0x1e0 [ 7926.529578][ T1167] [ 7926.531800][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7926.531800][ T1167] netdev_get_by_index+0x5e/0x80 [ 7926.531800][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7926.531800][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7926.531800][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7926.531800][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7926.531800][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7926.531800][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7926.531800][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7926.531800][ T1167] addrconf_dad_begin+0x310/0x670 [ 7926.531800][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7926.531800][ T1167] process_one_work+0x84d/0x18a0 [ 7926.531800][ T1167] worker_thread+0x587/0xd30 [ 7926.531800][ T1167] kthread+0x28a/0x350 [ 7926.531800][ T1167] ret_from_fork+0x31/0x70 [ 7926.531800][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7926.531800][ T1167] [ 7926.533953][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7926.533953][ T1167] netdev_get_by_index+0x5e/0x80 [ 7926.533953][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7926.533953][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7926.533953][ T1167] ip6_route_add+0x1c/0x140 [ 7926.533953][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7926.533953][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7926.533953][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7926.533953][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7926.533953][ T1167] netlink_rcv_skb+0x130/0x360 [ 7926.533953][ T1167] netlink_unicast+0x449/0x710 [ 7926.533953][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7926.533953][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7926.533953][ T1167] ___sys_sendmsg+0xee/0x170 [ 7926.533953][ T1167] __sys_sendmsg+0xcd/0x170 [ 7926.533953][ T1167] do_syscall_64+0xc6/0x1e0 [ 7926.533953][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7926.533953][ T1167] [ 7926.536209][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7926.536209][ T1167] netdev_get_by_index+0x5e/0x80 [ 7926.536209][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7926.536209][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7926.536209][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7926.536209][ T1167] ipv6_add_addr+0x411/0x2000 [ 7926.536209][ T1167] inet6_addr_add+0x30e/0xa40 [ 7926.536209][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7926.536209][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7926.536209][ T1167] netlink_rcv_skb+0x130/0x360 [ 7926.536209][ T1167] netlink_unicast+0x449/0x710 [ 7926.536209][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7926.536209][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7926.536209][ T1167] ___sys_sendmsg+0xee/0x170 [ 7926.536209][ T1167] __sys_sendmsg+0xcd/0x170 [ 7926.536209][ T1167] do_syscall_64+0xc6/0x1e0 [ 7926.536209][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7926.536209][ T1167] [ 7926.538467][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7926.538467][ T1167] netdev_get_by_index+0x5e/0x80 [ 7926.538467][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7926.538467][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7926.538467][ T1167] ip6_route_add+0x1c/0x140 [ 7926.538467][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7926.538467][ T1167] addrconf_add_dev+0xe2/0x170 [ 7926.538467][ T1167] inet6_addr_add+0x12f/0xa40 [ 7926.538467][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7926.538467][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7926.538467][ T1167] netlink_rcv_skb+0x130/0x360 [ 7926.538467][ T1167] netlink_unicast+0x449/0x710 [ 7926.538467][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7926.538467][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7926.538467][ T1167] ___sys_sendmsg+0xee/0x170 [ 7926.538467][ T1167] __sys_sendmsg+0xcd/0x170 [ 7926.538467][ T1167] do_syscall_64+0xc6/0x1e0 [ 7926.538467][ T1167] [ 7926.540690][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7926.540690][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7926.540690][ T1167] ipv6_find_idev+0x102/0x170 [ 7926.540690][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7926.540690][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7926.540690][ T1167] netlink_rcv_skb+0x130/0x360 [ 7926.540690][ T1167] netlink_unicast+0x449/0x710 [ 7926.540690][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7926.540690][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7926.540690][ T1167] ___sys_sendmsg+0xee/0x170 [ 7926.540690][ T1167] __sys_sendmsg+0xcd/0x170 [ 7926.540690][ T1167] do_syscall_64+0xc6/0x1e0 [ 7926.540690][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7926.540690][ T1167] [ 7926.542449][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7926.542449][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7926.542449][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7926.542449][ T1167] ipv6_find_idev+0x102/0x170 [ 7926.542449][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7926.542449][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7926.542449][ T1167] netlink_rcv_skb+0x130/0x360 [ 7926.542449][ T1167] netlink_unicast+0x449/0x710 [ 7926.542449][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7926.542449][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7926.542449][ T1167] ___sys_sendmsg+0xee/0x170 [ 7926.542449][ T1167] __sys_sendmsg+0xcd/0x170 [ 7926.542449][ T1167] do_syscall_64+0xc6/0x1e0 [ 7926.542449][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7926.542449][ T1167] [ 7936.137058][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7936.137430][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7936.137430][ T10] netdev_get_by_index+0x5e/0x80 [ 7936.137430][ T10] fib6_nh_init+0x3d8/0x1580 [ 7936.137430][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7936.137430][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7936.137430][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7936.137430][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7936.137430][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7936.137430][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7936.137430][ T10] addrconf_dad_begin+0x310/0x670 [ 7936.137430][ T10] addrconf_dad_work+0x10b/0xab0 [ 7936.137430][ T10] process_one_work+0x84d/0x18a0 [ 7936.137430][ T10] worker_thread+0x587/0xd30 [ 7936.137430][ T10] kthread+0x28a/0x350 [ 7936.137430][ T10] ret_from_fork+0x31/0x70 [ 7936.137430][ T10] ret_from_fork_asm+0x1a/0x30 [ 7936.137430][ T10] [ 7936.139344][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7936.139344][ T10] netdev_get_by_index+0x5e/0x80 [ 7936.139344][ T10] fib6_nh_init+0x3d8/0x1580 [ 7936.139344][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7936.139344][ T10] ip6_route_add+0x1c/0x140 [ 7936.139344][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7936.139344][ T10] inet6_addr_add+0x4f8/0xa40 [ 7936.139344][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7936.139344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7936.139344][ T10] netlink_rcv_skb+0x130/0x360 [ 7936.139344][ T10] netlink_unicast+0x449/0x710 [ 7936.139344][ T10] netlink_sendmsg+0x723/0xbe0 [ 7936.139344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7936.139344][ T10] ___sys_sendmsg+0xee/0x170 [ 7936.139344][ T10] __sys_sendmsg+0xcd/0x170 [ 7936.139344][ T10] do_syscall_64+0xc6/0x1e0 [ 7936.139344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7936.139344][ T10] [ 7936.141346][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7936.141346][ T10] netdev_get_by_index+0x5e/0x80 [ 7936.141346][ T10] fib6_nh_init+0x3d8/0x1580 [ 7936.141346][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7936.141346][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7936.141346][ T10] ipv6_add_addr+0x411/0x2000 [ 7936.141346][ T10] inet6_addr_add+0x30e/0xa40 [ 7936.141346][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7936.141346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7936.141346][ T10] netlink_rcv_skb+0x130/0x360 [ 7936.141346][ T10] netlink_unicast+0x449/0x710 [ 7936.141346][ T10] netlink_sendmsg+0x723/0xbe0 [ 7936.141346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7936.141346][ T10] ___sys_sendmsg+0xee/0x170 [ 7936.141346][ T10] __sys_sendmsg+0xcd/0x170 [ 7936.141346][ T10] do_syscall_64+0xc6/0x1e0 [ 7936.141346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7936.141346][ T10] [ 7936.143332][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7936.143332][ T10] netdev_get_by_index+0x5e/0x80 [ 7936.143332][ T10] fib6_nh_init+0x3d8/0x1580 [ 7936.143332][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7936.143332][ T10] ip6_route_add+0x1c/0x140 [ 7936.143332][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7936.143332][ T10] addrconf_add_dev+0xe2/0x170 [ 7936.143332][ T10] inet6_addr_add+0x12f/0xa40 [ 7936.143332][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7936.143332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7936.143332][ T10] netlink_rcv_skb+0x130/0x360 [ 7936.143332][ T10] netlink_unicast+0x449/0x710 [ 7936.143332][ T10] netlink_sendmsg+0x723/0xbe0 [ 7936.143332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7936.143332][ T10] ___sys_sendmsg+0xee/0x170 [ 7936.143332][ T10] __sys_sendmsg+0xcd/0x170 [ 7936.143332][ T10] do_syscall_64+0xc6/0x1e0 [ 7936.143332][ T10] [ 7936.145289][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7936.145289][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7936.145289][ T10] ipv6_find_idev+0x102/0x170 [ 7936.145289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7936.145289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7936.145289][ T10] netlink_rcv_skb+0x130/0x360 [ 7936.145289][ T10] netlink_unicast+0x449/0x710 [ 7936.145289][ T10] netlink_sendmsg+0x723/0xbe0 [ 7936.145289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7936.145289][ T10] ___sys_sendmsg+0xee/0x170 [ 7936.145289][ T10] __sys_sendmsg+0xcd/0x170 [ 7936.145289][ T10] do_syscall_64+0xc6/0x1e0 [ 7936.145289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7936.145289][ T10] [ 7936.146820][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7936.146820][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7936.146820][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7936.146820][ T10] ipv6_find_idev+0x102/0x170 [ 7936.146820][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7936.146820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7936.146820][ T10] netlink_rcv_skb+0x130/0x360 [ 7936.146820][ T10] netlink_unicast+0x449/0x710 [ 7936.146820][ T10] netlink_sendmsg+0x723/0xbe0 [ 7936.146820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7936.146820][ T10] ___sys_sendmsg+0xee/0x170 [ 7936.146820][ T10] __sys_sendmsg+0xcd/0x170 [ 7936.146820][ T10] do_syscall_64+0xc6/0x1e0 [ 7936.146820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7936.146820][ T10] [ 7936.148508][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7936.148752][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7936.148752][ T10] netdev_get_by_index+0x5e/0x80 [ 7936.148752][ T10] fib6_nh_init+0x3d8/0x1580 [ 7936.148752][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7936.148752][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7936.148752][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7936.148752][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7936.148752][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7936.148752][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7936.148752][ T10] addrconf_dad_begin+0x310/0x670 [ 7936.148752][ T10] addrconf_dad_work+0x10b/0xab0 [ 7936.148752][ T10] process_one_work+0x84d/0x18a0 [ 7936.148752][ T10] worker_thread+0x587/0xd30 [ 7936.148752][ T10] kthread+0x28a/0x350 [ 7936.148752][ T10] ret_from_fork+0x31/0x70 [ 7936.148752][ T10] ret_from_fork_asm+0x1a/0x30 [ 7936.148752][ T10] [ 7936.150639][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7936.150639][ T10] netdev_get_by_index+0x5e/0x80 [ 7936.150639][ T10] fib6_nh_init+0x3d8/0x1580 [ 7936.150639][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7936.150639][ T10] ip6_route_add+0x1c/0x140 [ 7936.150639][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7936.150639][ T10] inet6_addr_add+0x4f8/0xa40 [ 7936.150639][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7936.150639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7936.150639][ T10] netlink_rcv_skb+0x130/0x360 [ 7936.150639][ T10] netlink_unicast+0x449/0x710 [ 7936.150639][ T10] netlink_sendmsg+0x723/0xbe0 [ 7936.150639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7936.150639][ T10] ___sys_sendmsg+0xee/0x170 [ 7936.150639][ T10] __sys_sendmsg+0xcd/0x170 [ 7936.150639][ T10] do_syscall_64+0xc6/0x1e0 [ 7936.150639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7936.150639][ T10] [ 7936.152903][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7936.152903][ T10] netdev_get_by_index+0x5e/0x80 [ 7936.152903][ T10] fib6_nh_init+0x3d8/0x1580 [ 7936.152903][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7936.152903][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7936.152903][ T10] ipv6_add_addr+0x411/0x2000 [ 7936.152903][ T10] inet6_addr_add+0x30e/0xa40 [ 7936.152903][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7936.152903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7936.152903][ T10] netlink_rcv_skb+0x130/0x360 [ 7936.152903][ T10] netlink_unicast+0x449/0x710 [ 7936.152903][ T10] netlink_sendmsg+0x723/0xbe0 [ 7936.152903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7936.152903][ T10] ___sys_sendmsg+0xee/0x170 [ 7936.152903][ T10] __sys_sendmsg+0xcd/0x170 [ 7936.152903][ T10] do_syscall_64+0xc6/0x1e0 [ 7936.152903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7936.152903][ T10] [ 7936.154892][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7936.154892][ T10] netdev_get_by_index+0x5e/0x80 [ 7936.154892][ T10] fib6_nh_init+0x3d8/0x1580 [ 7936.154892][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7936.154892][ T10] ip6_route_add+0x1c/0x140 [ 7936.154892][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7936.154892][ T10] addrconf_add_dev+0xe2/0x170 [ 7936.154892][ T10] inet6_addr_add+0x12f/0xa40 [ 7936.154892][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7936.154892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7936.154892][ T10] netlink_rcv_skb+0x130/0x360 [ 7936.154892][ T10] netlink_unicast+0x449/0x710 [ 7936.154892][ T10] netlink_sendmsg+0x723/0xbe0 [ 7936.154892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7936.154892][ T10] ___sys_sendmsg+0xee/0x170 [ 7936.154892][ T10] __sys_sendmsg+0xcd/0x170 [ 7936.154892][ T10] do_syscall_64+0xc6/0x1e0 [ 7936.154892][ T10] [ 7936.156845][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7936.156845][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7936.156845][ T10] ipv6_find_idev+0x102/0x170 [ 7936.156845][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7936.156845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7936.156845][ T10] netlink_rcv_skb+0x130/0x360 [ 7936.156845][ T10] netlink_unicast+0x449/0x710 [ 7936.156845][ T10] netlink_sendmsg+0x723/0xbe0 [ 7936.156845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7936.156845][ T10] ___sys_sendmsg+0xee/0x170 [ 7936.156845][ T10] __sys_sendmsg+0xcd/0x170 [ 7936.156845][ T10] do_syscall_64+0xc6/0x1e0 [ 7936.156845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7936.156845][ T10] [ 7936.158372][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7936.158372][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7936.158372][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7936.158372][ T10] ipv6_find_idev+0x102/0x170 [ 7936.158372][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7936.158372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7936.158372][ T10] netlink_rcv_skb+0x130/0x360 [ 7936.158372][ T10] netlink_unicast+0x449/0x710 [ 7936.158372][ T10] netlink_sendmsg+0x723/0xbe0 [ 7936.158372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7936.158372][ T10] ___sys_sendmsg+0xee/0x170 [ 7936.158372][ T10] __sys_sendmsg+0xcd/0x170 [ 7936.158372][ T10] do_syscall_64+0xc6/0x1e0 [ 7936.158372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7936.158372][ T10] [ 7936.160046][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7936.160288][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7936.160288][ T10] netdev_get_by_index+0x5e/0x80 [ 7936.160288][ T10] fib6_nh_init+0x3d8/0x1580 [ 7936.160288][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7936.160288][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7936.160288][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7936.160288][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7936.160288][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7936.160288][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7936.160288][ T10] addrconf_dad_begin+0x310/0x670 [ 7936.160288][ T10] addrconf_dad_work+0x10b/0xab0 [ 7936.160288][ T10] process_one_work+0x84d/0x18a0 [ 7936.160288][ T10] worker_thread+0x587/0xd30 [ 7936.160288][ T10] kthread+0x28a/0x350 [ 7936.160288][ T10] ret_from_fork+0x31/0x70 [ 7936.160288][ T10] ret_from_fork_asm+0x1a/0x30 [ 7936.160288][ T10] [ 7936.162202][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7936.162202][ T10] netdev_get_by_index+0x5e/0x80 [ 7936.162202][ T10] fib6_nh_init+0x3d8/0x1580 [ 7936.162202][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7936.162202][ T10] ip6_route_add+0x1c/0x140 [ 7936.162202][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7936.162202][ T10] inet6_addr_add+0x4f8/0xa40 [ 7936.162202][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7936.162202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7936.162202][ T10] netlink_rcv_skb+0x130/0x360 [ 7936.162202][ T10] netlink_unicast+0x449/0x710 [ 7936.162202][ T10] netlink_sendmsg+0x723/0xbe0 [ 7936.162202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7936.162202][ T10] ___sys_sendmsg+0xee/0x170 [ 7936.162202][ T10] __sys_sendmsg+0xcd/0x170 [ 7936.162202][ T10] do_syscall_64+0xc6/0x1e0 [ 7936.162202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7936.162202][ T10] [ 7936.164367][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7936.164367][ T10] netdev_get_by_index+0x5e/0x80 [ 7936.164367][ T10] fib6_nh_init+0x3d8/0x1580 [ 7936.164367][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7936.164367][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7936.164367][ T10] ipv6_add_addr+0x411/0x2000 [ 7936.164367][ T10] inet6_addr_add+0x30e/0xa40 [ 7936.164367][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7936.164367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7936.164367][ T10] netlink_rcv_skb+0x130/0x360 [ 7936.164367][ T10] netlink_unicast+0x449/0x710 [ 7936.164367][ T10] netlink_sendmsg+0x723/0xbe0 [ 7936.164367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7936.164367][ T10] ___sys_sendmsg+0xee/0x170 [ 7936.164367][ T10] __sys_sendmsg+0xcd/0x170 [ 7936.164367][ T10] do_syscall_64+0xc6/0x1e0 [ 7936.164367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7936.164367][ T10] [ 7936.166595][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7936.166595][ T10] netdev_get_by_index+0x5e/0x80 [ 7936.166595][ T10] fib6_nh_init+0x3d8/0x1580 [ 7936.166595][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7936.166595][ T10] ip6_route_add+0x1c/0x140 [ 7936.166595][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7936.166595][ T10] addrconf_add_dev+0xe2/0x170 [ 7936.166595][ T10] inet6_addr_add+0x12f/0xa40 [ 7936.166595][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7936.166595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7936.166595][ T10] netlink_rcv_skb+0x130/0x360 [ 7936.166595][ T10] netlink_unicast+0x449/0x710 [ 7936.166595][ T10] netlink_sendmsg+0x723/0xbe0 [ 7936.166595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7936.166595][ T10] ___sys_sendmsg+0xee/0x170 [ 7936.166595][ T10] __sys_sendmsg+0xcd/0x170 [ 7936.166595][ T10] do_syscall_64+0xc6/0x1e0 [ 7936.166595][ T10] [ 7936.168782][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7936.168782][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7936.168782][ T10] ipv6_find_idev+0x102/0x170 [ 7936.168782][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7936.168782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7936.168782][ T10] netlink_rcv_skb+0x130/0x360 [ 7936.168782][ T10] netlink_unicast+0x449/0x710 [ 7936.168782][ T10] netlink_sendmsg+0x723/0xbe0 [ 7936.168782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7936.168782][ T10] ___sys_sendmsg+0xee/0x170 [ 7936.168782][ T10] __sys_sendmsg+0xcd/0x170 [ 7936.168782][ T10] do_syscall_64+0xc6/0x1e0 [ 7936.168782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7936.168782][ T10] [ 7936.170490][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7936.170490][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7936.170490][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7936.170490][ T10] ipv6_find_idev+0x102/0x170 [ 7936.170490][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7936.170490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7936.170490][ T10] netlink_rcv_skb+0x130/0x360 [ 7936.170490][ T10] netlink_unicast+0x449/0x710 [ 7936.170490][ T10] netlink_sendmsg+0x723/0xbe0 [ 7936.170490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7936.170490][ T10] ___sys_sendmsg+0xee/0x170 [ 7936.170490][ T10] __sys_sendmsg+0xcd/0x170 [ 7936.170490][ T10] do_syscall_64+0xc6/0x1e0 [ 7936.170490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7936.170490][ T10] [ 7936.172381][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7936.172617][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7936.172617][ T10] netdev_get_by_index+0x5e/0x80 [ 7936.172617][ T10] fib6_nh_init+0x3d8/0x1580 [ 7936.172617][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7936.172617][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7936.172617][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7936.172617][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7936.172617][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7936.172617][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7936.172617][ T10] addrconf_dad_begin+0x310/0x670 [ 7936.172617][ T10] addrconf_dad_work+0x10b/0xab0 [ 7936.172617][ T10] process_one_work+0x84d/0x18a0 [ 7936.172617][ T10] worker_thread+0x587/0xd30 [ 7936.172617][ T10] kthread+0x28a/0x350 [ 7936.172617][ T10] ret_from_fork+0x31/0x70 [ 7936.172617][ T10] ret_from_fork_asm+0x1a/0x30 [ 7936.172617][ T10] [ 7936.174752][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7936.174752][ T10] netdev_get_by_index+0x5e/0x80 [ 7936.174752][ T10] fib6_nh_init+0x3d8/0x1580 [ 7936.174752][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7936.174752][ T10] ip6_route_add+0x1c/0x140 [ 7936.174752][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7936.174752][ T10] inet6_addr_add+0x4f8/0xa40 [ 7936.174752][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7936.174752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7936.174752][ T10] netlink_rcv_skb+0x130/0x360 [ 7936.174752][ T10] netlink_unicast+0x449/0x710 [ 7936.174752][ T10] netlink_sendmsg+0x723/0xbe0 [ 7936.174752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7936.174752][ T10] ___sys_sendmsg+0xee/0x170 [ 7936.174752][ T10] __sys_sendmsg+0xcd/0x170 [ 7936.174752][ T10] do_syscall_64+0xc6/0x1e0 [ 7936.174752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7936.174752][ T10] [ 7936.176975][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7936.176975][ T10] netdev_get_by_index+0x5e/0x80 [ 7936.176975][ T10] fib6_nh_init+0x3d8/0x1580 [ 7936.176975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7936.176975][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7936.176975][ T10] ipv6_add_addr+0x411/0x2000 [ 7936.176975][ T10] inet6_addr_add+0x30e/0xa40 [ 7936.176975][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7936.176975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7936.176975][ T10] netlink_rcv_skb+0x130/0x360 [ 7936.176975][ T10] netlink_unicast+0x449/0x710 [ 7936.176975][ T10] netlink_sendmsg+0x723/0xbe0 [ 7936.176975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7936.176975][ T10] ___sys_sendmsg+0xee/0x170 [ 7936.176975][ T10] __sys_sendmsg+0xcd/0x170 [ 7936.176975][ T10] do_syscall_64+0xc6/0x1e0 [ 7936.176975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7936.176975][ T10] [ 7936.179138][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7936.179138][ T10] netdev_get_by_index+0x5e/0x80 [ 7936.179138][ T10] fib6_nh_init+0x3d8/0x1580 [ 7936.179138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7936.179138][ T10] ip6_route_add+0x1c/0x140 [ 7936.179138][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7936.179138][ T10] addrconf_add_dev+0xe2/0x170 [ 7936.179138][ T10] inet6_addr_add+0x12f/0xa40 [ 7936.179138][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7936.179138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7936.179138][ T10] netlink_rcv_skb+0x130/0x360 [ 7936.179138][ T10] netlink_unicast+0x449/0x710 [ 7936.179138][ T10] netlink_sendmsg+0x723/0xbe0 [ 7936.179138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7936.179138][ T10] ___sys_sendmsg+0xee/0x170 [ 7936.179138][ T10] __sys_sendmsg+0xcd/0x170 [ 7936.179138][ T10] do_syscall_64+0xc6/0x1e0 [ 7936.179138][ T10] [ 7936.181404][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7936.181404][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7936.181404][ T10] ipv6_find_idev+0x102/0x170 [ 7936.181404][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7936.181404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7936.181404][ T10] netlink_rcv_skb+0x130/0x360 [ 7936.181404][ T10] netlink_unicast+0x449/0x710 [ 7936.181404][ T10] netlink_sendmsg+0x723/0xbe0 [ 7936.181404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7936.181404][ T10] ___sys_sendmsg+0xee/0x170 [ 7936.181404][ T10] __sys_sendmsg+0xcd/0x170 [ 7936.181404][ T10] do_syscall_64+0xc6/0x1e0 [ 7936.181404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7936.181404][ T10] [ 7936.183111][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7936.183111][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7936.183111][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7936.183111][ T10] ipv6_find_idev+0x102/0x170 [ 7936.183111][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7936.183111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7936.183111][ T10] netlink_rcv_skb+0x130/0x360 [ 7936.183111][ T10] netlink_unicast+0x449/0x710 [ 7936.183111][ T10] netlink_sendmsg+0x723/0xbe0 [ 7936.183111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7936.183111][ T10] ___sys_sendmsg+0xee/0x170 [ 7936.183111][ T10] __sys_sendmsg+0xcd/0x170 [ 7936.183111][ T10] do_syscall_64+0xc6/0x1e0 [ 7936.183111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7936.183111][ T10] [ 7936.785109][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7936.785546][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7936.785546][ T1167] dst_init+0x84/0x4a0 [ 7936.785546][ T1167] dst_alloc+0x97/0x150 [ 7936.785546][ T1167] ip6_dst_alloc+0x23/0x90 [ 7936.785546][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7936.785546][ T1167] ip6_pol_route+0x56f/0x840 [ 7936.785546][ T1167] fib6_rule_lookup+0x334/0x630 [ 7936.785546][ T1167] ip6_route_output_flags+0x259/0x480 [ 7936.785546][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7936.785546][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7936.785546][ T1167] netlink_rcv_skb+0x130/0x360 [ 7936.785546][ T1167] netlink_unicast+0x449/0x710 [ 7936.785546][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7936.785546][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7936.785546][ T1167] ___sys_sendmsg+0xee/0x170 [ 7936.785546][ T1167] __sys_sendmsg+0xcd/0x170 [ 7936.785546][ T1167] do_syscall_64+0xc6/0x1e0 [ 7936.785546][ T1167] [ 7936.787729][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7936.787729][ T1167] netdev_get_by_index+0x5e/0x80 [ 7936.787729][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7936.787729][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7936.787729][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7936.787729][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7936.787729][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7936.787729][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7936.787729][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7936.787729][ T1167] addrconf_dad_begin+0x310/0x670 [ 7936.787729][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7936.787729][ T1167] process_one_work+0x84d/0x18a0 [ 7936.787729][ T1167] worker_thread+0x587/0xd30 [ 7936.787729][ T1167] kthread+0x28a/0x350 [ 7936.787729][ T1167] ret_from_fork+0x31/0x70 [ 7936.787729][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7936.787729][ T1167] [ 7936.789864][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7936.789864][ T1167] netdev_get_by_index+0x5e/0x80 [ 7936.789864][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7936.789864][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7936.789864][ T1167] ip6_route_add+0x1c/0x140 [ 7936.789864][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7936.789864][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7936.789864][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7936.789864][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7936.789864][ T1167] netlink_rcv_skb+0x130/0x360 [ 7936.789864][ T1167] netlink_unicast+0x449/0x710 [ 7936.789864][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7936.789864][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7936.789864][ T1167] ___sys_sendmsg+0xee/0x170 [ 7936.789864][ T1167] __sys_sendmsg+0xcd/0x170 [ 7936.789864][ T1167] do_syscall_64+0xc6/0x1e0 [ 7936.789864][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7936.789864][ T1167] [ 7936.792158][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7936.792158][ T1167] netdev_get_by_index+0x5e/0x80 [ 7936.792158][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7936.792158][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7936.792158][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7936.792158][ T1167] ipv6_add_addr+0x411/0x2000 [ 7936.792158][ T1167] inet6_addr_add+0x30e/0xa40 [ 7936.792158][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7936.792158][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7936.792158][ T1167] netlink_rcv_skb+0x130/0x360 [ 7936.792158][ T1167] netlink_unicast+0x449/0x710 [ 7936.792158][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7936.792158][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7936.792158][ T1167] ___sys_sendmsg+0xee/0x170 [ 7936.792158][ T1167] __sys_sendmsg+0xcd/0x170 [ 7936.792158][ T1167] do_syscall_64+0xc6/0x1e0 [ 7936.792158][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7936.792158][ T1167] [ 7936.794418][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7936.794418][ T1167] netdev_get_by_index+0x5e/0x80 [ 7936.794418][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7936.794418][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7936.794418][ T1167] ip6_route_add+0x1c/0x140 [ 7936.794418][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7936.794418][ T1167] addrconf_add_dev+0xe2/0x170 [ 7936.794418][ T1167] inet6_addr_add+0x12f/0xa40 [ 7936.794418][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7936.794418][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7936.794418][ T1167] netlink_rcv_skb+0x130/0x360 [ 7936.794418][ T1167] netlink_unicast+0x449/0x710 [ 7936.794418][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7936.794418][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7936.794418][ T1167] ___sys_sendmsg+0xee/0x170 [ 7936.794418][ T1167] __sys_sendmsg+0xcd/0x170 [ 7936.794418][ T1167] do_syscall_64+0xc6/0x1e0 [ 7936.794418][ T1167] [ 7936.796617][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7936.796617][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7936.796617][ T1167] ipv6_find_idev+0x102/0x170 [ 7936.796617][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7936.796617][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7936.796617][ T1167] netlink_rcv_skb+0x130/0x360 [ 7936.796617][ T1167] netlink_unicast+0x449/0x710 [ 7936.796617][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7936.796617][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7936.796617][ T1167] ___sys_sendmsg+0xee/0x170 [ 7936.796617][ T1167] __sys_sendmsg+0xcd/0x170 [ 7936.796617][ T1167] do_syscall_64+0xc6/0x1e0 [ 7936.796617][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7936.796617][ T1167] [ 7936.798339][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7936.798339][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7936.798339][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7936.798339][ T1167] ipv6_find_idev+0x102/0x170 [ 7936.798339][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7936.798339][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7936.798339][ T1167] netlink_rcv_skb+0x130/0x360 [ 7936.798339][ T1167] netlink_unicast+0x449/0x710 [ 7936.798339][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7936.798339][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7936.798339][ T1167] ___sys_sendmsg+0xee/0x170 [ 7936.798339][ T1167] __sys_sendmsg+0xcd/0x170 [ 7936.798339][ T1167] do_syscall_64+0xc6/0x1e0 [ 7936.798339][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7936.798339][ T1167] [ 7946.425109][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7946.425477][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7946.425477][ T10] netdev_get_by_index+0x5e/0x80 [ 7946.425477][ T10] fib6_nh_init+0x3d8/0x1580 [ 7946.425477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7946.425477][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7946.425477][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7946.425477][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7946.425477][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7946.425477][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7946.425477][ T10] addrconf_dad_begin+0x310/0x670 [ 7946.425477][ T10] addrconf_dad_work+0x10b/0xab0 [ 7946.425477][ T10] process_one_work+0x84d/0x18a0 [ 7946.425477][ T10] worker_thread+0x587/0xd30 [ 7946.425477][ T10] kthread+0x28a/0x350 [ 7946.425477][ T10] ret_from_fork+0x31/0x70 [ 7946.425477][ T10] ret_from_fork_asm+0x1a/0x30 [ 7946.425477][ T10] [ 7946.427420][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7946.427420][ T10] netdev_get_by_index+0x5e/0x80 [ 7946.427420][ T10] fib6_nh_init+0x3d8/0x1580 [ 7946.427420][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7946.427420][ T10] ip6_route_add+0x1c/0x140 [ 7946.427420][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7946.427420][ T10] inet6_addr_add+0x4f8/0xa40 [ 7946.427420][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7946.427420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7946.427420][ T10] netlink_rcv_skb+0x130/0x360 [ 7946.427420][ T10] netlink_unicast+0x449/0x710 [ 7946.427420][ T10] netlink_sendmsg+0x723/0xbe0 [ 7946.427420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7946.427420][ T10] ___sys_sendmsg+0xee/0x170 [ 7946.427420][ T10] __sys_sendmsg+0xcd/0x170 [ 7946.427420][ T10] do_syscall_64+0xc6/0x1e0 [ 7946.427420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7946.427420][ T10] [ 7946.429432][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7946.429432][ T10] netdev_get_by_index+0x5e/0x80 [ 7946.429432][ T10] fib6_nh_init+0x3d8/0x1580 [ 7946.429432][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7946.429432][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7946.429432][ T10] ipv6_add_addr+0x411/0x2000 [ 7946.429432][ T10] inet6_addr_add+0x30e/0xa40 [ 7946.429432][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7946.429432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7946.429432][ T10] netlink_rcv_skb+0x130/0x360 [ 7946.429432][ T10] netlink_unicast+0x449/0x710 [ 7946.429432][ T10] netlink_sendmsg+0x723/0xbe0 [ 7946.429432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7946.429432][ T10] ___sys_sendmsg+0xee/0x170 [ 7946.429432][ T10] __sys_sendmsg+0xcd/0x170 [ 7946.429432][ T10] do_syscall_64+0xc6/0x1e0 [ 7946.429432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7946.429432][ T10] [ 7946.431454][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7946.431454][ T10] netdev_get_by_index+0x5e/0x80 [ 7946.431454][ T10] fib6_nh_init+0x3d8/0x1580 [ 7946.431454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7946.431454][ T10] ip6_route_add+0x1c/0x140 [ 7946.431454][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7946.431454][ T10] addrconf_add_dev+0xe2/0x170 [ 7946.431454][ T10] inet6_addr_add+0x12f/0xa40 [ 7946.431454][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7946.431454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7946.431454][ T10] netlink_rcv_skb+0x130/0x360 [ 7946.431454][ T10] netlink_unicast+0x449/0x710 [ 7946.431454][ T10] netlink_sendmsg+0x723/0xbe0 [ 7946.431454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7946.431454][ T10] ___sys_sendmsg+0xee/0x170 [ 7946.431454][ T10] __sys_sendmsg+0xcd/0x170 [ 7946.431454][ T10] do_syscall_64+0xc6/0x1e0 [ 7946.431454][ T10] [ 7946.433424][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7946.433424][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7946.433424][ T10] ipv6_find_idev+0x102/0x170 [ 7946.433424][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7946.433424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7946.433424][ T10] netlink_rcv_skb+0x130/0x360 [ 7946.433424][ T10] netlink_unicast+0x449/0x710 [ 7946.433424][ T10] netlink_sendmsg+0x723/0xbe0 [ 7946.433424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7946.433424][ T10] ___sys_sendmsg+0xee/0x170 [ 7946.433424][ T10] __sys_sendmsg+0xcd/0x170 [ 7946.433424][ T10] do_syscall_64+0xc6/0x1e0 [ 7946.433424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7946.433424][ T10] [ 7946.434966][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7946.434966][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7946.434966][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7946.434966][ T10] ipv6_find_idev+0x102/0x170 [ 7946.434966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7946.434966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7946.434966][ T10] netlink_rcv_skb+0x130/0x360 [ 7946.434966][ T10] netlink_unicast+0x449/0x710 [ 7946.434966][ T10] netlink_sendmsg+0x723/0xbe0 [ 7946.434966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7946.434966][ T10] ___sys_sendmsg+0xee/0x170 [ 7946.434966][ T10] __sys_sendmsg+0xcd/0x170 [ 7946.434966][ T10] do_syscall_64+0xc6/0x1e0 [ 7946.434966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7946.434966][ T10] [ 7946.436672][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7946.436924][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7946.436924][ T10] netdev_get_by_index+0x5e/0x80 [ 7946.436924][ T10] fib6_nh_init+0x3d8/0x1580 [ 7946.436924][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7946.436924][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7946.436924][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7946.436924][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7946.436924][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7946.436924][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7946.436924][ T10] addrconf_dad_begin+0x310/0x670 [ 7946.436924][ T10] addrconf_dad_work+0x10b/0xab0 [ 7946.436924][ T10] process_one_work+0x84d/0x18a0 [ 7946.436924][ T10] worker_thread+0x587/0xd30 [ 7946.436924][ T10] kthread+0x28a/0x350 [ 7946.436924][ T10] ret_from_fork+0x31/0x70 [ 7946.436924][ T10] ret_from_fork_asm+0x1a/0x30 [ 7946.436924][ T10] [ 7946.439350][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7946.439350][ T10] netdev_get_by_index+0x5e/0x80 [ 7946.439350][ T10] fib6_nh_init+0x3d8/0x1580 [ 7946.439350][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7946.439350][ T10] ip6_route_add+0x1c/0x140 [ 7946.439350][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7946.439350][ T10] inet6_addr_add+0x4f8/0xa40 [ 7946.439350][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7946.439350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7946.439350][ T10] netlink_rcv_skb+0x130/0x360 [ 7946.439350][ T10] netlink_unicast+0x449/0x710 [ 7946.439350][ T10] netlink_sendmsg+0x723/0xbe0 [ 7946.439350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7946.439350][ T10] ___sys_sendmsg+0xee/0x170 [ 7946.439350][ T10] __sys_sendmsg+0xcd/0x170 [ 7946.439350][ T10] do_syscall_64+0xc6/0x1e0 [ 7946.439350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7946.439350][ T10] [ 7946.441371][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7946.441371][ T10] netdev_get_by_index+0x5e/0x80 [ 7946.441371][ T10] fib6_nh_init+0x3d8/0x1580 [ 7946.441371][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7946.441371][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7946.441371][ T10] ipv6_add_addr+0x411/0x2000 [ 7946.441371][ T10] inet6_addr_add+0x30e/0xa40 [ 7946.441371][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7946.441371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7946.441371][ T10] netlink_rcv_skb+0x130/0x360 [ 7946.441371][ T10] netlink_unicast+0x449/0x710 [ 7946.441371][ T10] netlink_sendmsg+0x723/0xbe0 [ 7946.441371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7946.441371][ T10] ___sys_sendmsg+0xee/0x170 [ 7946.441371][ T10] __sys_sendmsg+0xcd/0x170 [ 7946.441371][ T10] do_syscall_64+0xc6/0x1e0 [ 7946.441371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7946.441371][ T10] [ 7946.443394][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7946.443394][ T10] netdev_get_by_index+0x5e/0x80 [ 7946.443394][ T10] fib6_nh_init+0x3d8/0x1580 [ 7946.443394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7946.443394][ T10] ip6_route_add+0x1c/0x140 [ 7946.443394][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7946.443394][ T10] addrconf_add_dev+0xe2/0x170 [ 7946.443394][ T10] inet6_addr_add+0x12f/0xa40 [ 7946.443394][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7946.443394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7946.443394][ T10] netlink_rcv_skb+0x130/0x360 [ 7946.443394][ T10] netlink_unicast+0x449/0x710 [ 7946.443394][ T10] netlink_sendmsg+0x723/0xbe0 [ 7946.443394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7946.443394][ T10] ___sys_sendmsg+0xee/0x170 [ 7946.443394][ T10] __sys_sendmsg+0xcd/0x170 [ 7946.443394][ T10] do_syscall_64+0xc6/0x1e0 [ 7946.443394][ T10] [ 7946.445374][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7946.445374][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7946.445374][ T10] ipv6_find_idev+0x102/0x170 [ 7946.445374][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7946.445374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7946.445374][ T10] netlink_rcv_skb+0x130/0x360 [ 7946.445374][ T10] netlink_unicast+0x449/0x710 [ 7946.445374][ T10] netlink_sendmsg+0x723/0xbe0 [ 7946.445374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7946.445374][ T10] ___sys_sendmsg+0xee/0x170 [ 7946.445374][ T10] __sys_sendmsg+0xcd/0x170 [ 7946.445374][ T10] do_syscall_64+0xc6/0x1e0 [ 7946.445374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7946.445374][ T10] [ 7946.446919][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7946.446919][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7946.446919][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7946.446919][ T10] ipv6_find_idev+0x102/0x170 [ 7946.446919][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7946.446919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7946.446919][ T10] netlink_rcv_skb+0x130/0x360 [ 7946.446919][ T10] netlink_unicast+0x449/0x710 [ 7946.446919][ T10] netlink_sendmsg+0x723/0xbe0 [ 7946.446919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7946.446919][ T10] ___sys_sendmsg+0xee/0x170 [ 7946.446919][ T10] __sys_sendmsg+0xcd/0x170 [ 7946.446919][ T10] do_syscall_64+0xc6/0x1e0 [ 7946.446919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7946.446919][ T10] [ 7946.448630][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7946.448871][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7946.448871][ T10] netdev_get_by_index+0x5e/0x80 [ 7946.448871][ T10] fib6_nh_init+0x3d8/0x1580 [ 7946.448871][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7946.448871][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7946.448871][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7946.448871][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7946.448871][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7946.448871][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7946.448871][ T10] addrconf_dad_begin+0x310/0x670 [ 7946.448871][ T10] addrconf_dad_work+0x10b/0xab0 [ 7946.448871][ T10] process_one_work+0x84d/0x18a0 [ 7946.448871][ T10] worker_thread+0x587/0xd30 [ 7946.448871][ T10] kthread+0x28a/0x350 [ 7946.448871][ T10] ret_from_fork+0x31/0x70 [ 7946.448871][ T10] ret_from_fork_asm+0x1a/0x30 [ 7946.448871][ T10] [ 7946.450797][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7946.450797][ T10] netdev_get_by_index+0x5e/0x80 [ 7946.450797][ T10] fib6_nh_init+0x3d8/0x1580 [ 7946.450797][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7946.450797][ T10] ip6_route_add+0x1c/0x140 [ 7946.450797][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7946.450797][ T10] inet6_addr_add+0x4f8/0xa40 [ 7946.450797][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7946.450797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7946.450797][ T10] netlink_rcv_skb+0x130/0x360 [ 7946.450797][ T10] netlink_unicast+0x449/0x710 [ 7946.450797][ T10] netlink_sendmsg+0x723/0xbe0 [ 7946.450797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7946.450797][ T10] ___sys_sendmsg+0xee/0x170 [ 7946.450797][ T10] __sys_sendmsg+0xcd/0x170 [ 7946.450797][ T10] do_syscall_64+0xc6/0x1e0 [ 7946.450797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7946.450797][ T10] [ 7946.452982][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7946.452982][ T10] netdev_get_by_index+0x5e/0x80 [ 7946.452982][ T10] fib6_nh_init+0x3d8/0x1580 [ 7946.452982][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7946.452982][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7946.452982][ T10] ipv6_add_addr+0x411/0x2000 [ 7946.452982][ T10] inet6_addr_add+0x30e/0xa40 [ 7946.452982][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7946.452982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7946.452982][ T10] netlink_rcv_skb+0x130/0x360 [ 7946.452982][ T10] netlink_unicast+0x449/0x710 [ 7946.452982][ T10] netlink_sendmsg+0x723/0xbe0 [ 7946.452982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7946.452982][ T10] ___sys_sendmsg+0xee/0x170 [ 7946.452982][ T10] __sys_sendmsg+0xcd/0x170 [ 7946.452982][ T10] do_syscall_64+0xc6/0x1e0 [ 7946.452982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7946.452982][ T10] [ 7946.455230][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7946.455230][ T10] netdev_get_by_index+0x5e/0x80 [ 7946.455230][ T10] fib6_nh_init+0x3d8/0x1580 [ 7946.455230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7946.455230][ T10] ip6_route_add+0x1c/0x140 [ 7946.455230][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7946.455230][ T10] addrconf_add_dev+0xe2/0x170 [ 7946.455230][ T10] inet6_addr_add+0x12f/0xa40 [ 7946.455230][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7946.455230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7946.455230][ T10] netlink_rcv_skb+0x130/0x360 [ 7946.455230][ T10] netlink_unicast+0x449/0x710 [ 7946.455230][ T10] netlink_sendmsg+0x723/0xbe0 [ 7946.455230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7946.455230][ T10] ___sys_sendmsg+0xee/0x170 [ 7946.455230][ T10] __sys_sendmsg+0xcd/0x170 [ 7946.455230][ T10] do_syscall_64+0xc6/0x1e0 [ 7946.455230][ T10] [ 7946.457396][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7946.457396][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7946.457396][ T10] ipv6_find_idev+0x102/0x170 [ 7946.457396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7946.457396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7946.457396][ T10] netlink_rcv_skb+0x130/0x360 [ 7946.457396][ T10] netlink_unicast+0x449/0x710 [ 7946.457396][ T10] netlink_sendmsg+0x723/0xbe0 [ 7946.457396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7946.457396][ T10] ___sys_sendmsg+0xee/0x170 [ 7946.457396][ T10] __sys_sendmsg+0xcd/0x170 [ 7946.457396][ T10] do_syscall_64+0xc6/0x1e0 [ 7946.457396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7946.457396][ T10] [ 7946.459181][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7946.459181][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7946.459181][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7946.459181][ T10] ipv6_find_idev+0x102/0x170 [ 7946.459181][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7946.459181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7946.459181][ T10] netlink_rcv_skb+0x130/0x360 [ 7946.459181][ T10] netlink_unicast+0x449/0x710 [ 7946.459181][ T10] netlink_sendmsg+0x723/0xbe0 [ 7946.459181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7946.459181][ T10] ___sys_sendmsg+0xee/0x170 [ 7946.459181][ T10] __sys_sendmsg+0xcd/0x170 [ 7946.459181][ T10] do_syscall_64+0xc6/0x1e0 [ 7946.459181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7946.459181][ T10] [ 7946.461122][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7946.461361][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7946.461361][ T10] netdev_get_by_index+0x5e/0x80 [ 7946.461361][ T10] fib6_nh_init+0x3d8/0x1580 [ 7946.461361][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7946.461361][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7946.461361][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7946.461361][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7946.461361][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7946.461361][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7946.461361][ T10] addrconf_dad_begin+0x310/0x670 [ 7946.461361][ T10] addrconf_dad_work+0x10b/0xab0 [ 7946.461361][ T10] process_one_work+0x84d/0x18a0 [ 7946.461361][ T10] worker_thread+0x587/0xd30 [ 7946.461361][ T10] kthread+0x28a/0x350 [ 7946.461361][ T10] ret_from_fork+0x31/0x70 [ 7946.461361][ T10] ret_from_fork_asm+0x1a/0x30 [ 7946.461361][ T10] [ 7946.463523][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7946.463523][ T10] netdev_get_by_index+0x5e/0x80 [ 7946.463523][ T10] fib6_nh_init+0x3d8/0x1580 [ 7946.463523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7946.463523][ T10] ip6_route_add+0x1c/0x140 [ 7946.463523][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7946.463523][ T10] inet6_addr_add+0x4f8/0xa40 [ 7946.463523][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7946.463523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7946.463523][ T10] netlink_rcv_skb+0x130/0x360 [ 7946.463523][ T10] netlink_unicast+0x449/0x710 [ 7946.463523][ T10] netlink_sendmsg+0x723/0xbe0 [ 7946.463523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7946.463523][ T10] ___sys_sendmsg+0xee/0x170 [ 7946.463523][ T10] __sys_sendmsg+0xcd/0x170 [ 7946.463523][ T10] do_syscall_64+0xc6/0x1e0 [ 7946.463523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7946.463523][ T10] [ 7946.465701][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7946.465701][ T10] netdev_get_by_index+0x5e/0x80 [ 7946.465701][ T10] fib6_nh_init+0x3d8/0x1580 [ 7946.465701][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7946.465701][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7946.465701][ T10] ipv6_add_addr+0x411/0x2000 [ 7946.465701][ T10] inet6_addr_add+0x30e/0xa40 [ 7946.465701][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7946.465701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7946.465701][ T10] netlink_rcv_skb+0x130/0x360 [ 7946.465701][ T10] netlink_unicast+0x449/0x710 [ 7946.465701][ T10] netlink_sendmsg+0x723/0xbe0 [ 7946.465701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7946.465701][ T10] ___sys_sendmsg+0xee/0x170 [ 7946.465701][ T10] __sys_sendmsg+0xcd/0x170 [ 7946.465701][ T10] do_syscall_64+0xc6/0x1e0 [ 7946.465701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7946.465701][ T10] [ 7946.467988][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7946.467988][ T10] netdev_get_by_index+0x5e/0x80 [ 7946.467988][ T10] fib6_nh_init+0x3d8/0x1580 [ 7946.467988][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7946.467988][ T10] ip6_route_add+0x1c/0x140 [ 7946.467988][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7946.467988][ T10] addrconf_add_dev+0xe2/0x170 [ 7946.467988][ T10] inet6_addr_add+0x12f/0xa40 [ 7946.467988][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7946.467988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7946.467988][ T10] netlink_rcv_skb+0x130/0x360 [ 7946.467988][ T10] netlink_unicast+0x449/0x710 [ 7946.467988][ T10] netlink_sendmsg+0x723/0xbe0 [ 7946.467988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7946.467988][ T10] ___sys_sendmsg+0xee/0x170 [ 7946.467988][ T10] __sys_sendmsg+0xcd/0x170 [ 7946.467988][ T10] do_syscall_64+0xc6/0x1e0 [ 7946.467988][ T10] [ 7946.470214][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7946.470214][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7946.470214][ T10] ipv6_find_idev+0x102/0x170 [ 7946.470214][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7946.470214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7946.470214][ T10] netlink_rcv_skb+0x130/0x360 [ 7946.470214][ T10] netlink_unicast+0x449/0x710 [ 7946.470214][ T10] netlink_sendmsg+0x723/0xbe0 [ 7946.470214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7946.470214][ T10] ___sys_sendmsg+0xee/0x170 [ 7946.470214][ T10] __sys_sendmsg+0xcd/0x170 [ 7946.470214][ T10] do_syscall_64+0xc6/0x1e0 [ 7946.470214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7946.470214][ T10] [ 7946.471943][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7946.471943][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7946.471943][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7946.471943][ T10] ipv6_find_idev+0x102/0x170 [ 7946.471943][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7946.471943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7946.471943][ T10] netlink_rcv_skb+0x130/0x360 [ 7946.471943][ T10] netlink_unicast+0x449/0x710 [ 7946.471943][ T10] netlink_sendmsg+0x723/0xbe0 [ 7946.471943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7946.471943][ T10] ___sys_sendmsg+0xee/0x170 [ 7946.471943][ T10] __sys_sendmsg+0xcd/0x170 [ 7946.471943][ T10] do_syscall_64+0xc6/0x1e0 [ 7946.471943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7946.471943][ T10] [ 7947.041044][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7947.041424][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7947.041424][ T1167] dst_init+0x84/0x4a0 [ 7947.041424][ T1167] dst_alloc+0x97/0x150 [ 7947.041424][ T1167] ip6_dst_alloc+0x23/0x90 [ 7947.041424][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7947.041424][ T1167] ip6_pol_route+0x56f/0x840 [ 7947.041424][ T1167] fib6_rule_lookup+0x334/0x630 [ 7947.041424][ T1167] ip6_route_output_flags+0x259/0x480 [ 7947.041424][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7947.041424][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7947.041424][ T1167] netlink_rcv_skb+0x130/0x360 [ 7947.041424][ T1167] netlink_unicast+0x449/0x710 [ 7947.041424][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7947.041424][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7947.041424][ T1167] ___sys_sendmsg+0xee/0x170 [ 7947.041424][ T1167] __sys_sendmsg+0xcd/0x170 [ 7947.041424][ T1167] do_syscall_64+0xc6/0x1e0 [ 7947.041424][ T1167] [ 7947.043615][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7947.043615][ T1167] netdev_get_by_index+0x5e/0x80 [ 7947.043615][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7947.043615][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7947.043615][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7947.043615][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7947.043615][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7947.043615][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7947.043615][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7947.043615][ T1167] addrconf_dad_begin+0x310/0x670 [ 7947.043615][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7947.043615][ T1167] process_one_work+0x84d/0x18a0 [ 7947.043615][ T1167] worker_thread+0x587/0xd30 [ 7947.043615][ T1167] kthread+0x28a/0x350 [ 7947.043615][ T1167] ret_from_fork+0x31/0x70 [ 7947.043615][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7947.043615][ T1167] [ 7947.045749][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7947.045749][ T1167] netdev_get_by_index+0x5e/0x80 [ 7947.045749][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7947.045749][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7947.045749][ T1167] ip6_route_add+0x1c/0x140 [ 7947.045749][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7947.045749][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7947.045749][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7947.045749][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7947.045749][ T1167] netlink_rcv_skb+0x130/0x360 [ 7947.045749][ T1167] netlink_unicast+0x449/0x710 [ 7947.045749][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7947.045749][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7947.045749][ T1167] ___sys_sendmsg+0xee/0x170 [ 7947.045749][ T1167] __sys_sendmsg+0xcd/0x170 [ 7947.045749][ T1167] do_syscall_64+0xc6/0x1e0 [ 7947.045749][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7947.045749][ T1167] [ 7947.047975][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7947.047975][ T1167] netdev_get_by_index+0x5e/0x80 [ 7947.047975][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7947.047975][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7947.047975][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7947.047975][ T1167] ipv6_add_addr+0x411/0x2000 [ 7947.047975][ T1167] inet6_addr_add+0x30e/0xa40 [ 7947.047975][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7947.047975][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7947.047975][ T1167] netlink_rcv_skb+0x130/0x360 [ 7947.047975][ T1167] netlink_unicast+0x449/0x710 [ 7947.047975][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7947.047975][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7947.047975][ T1167] ___sys_sendmsg+0xee/0x170 [ 7947.047975][ T1167] __sys_sendmsg+0xcd/0x170 [ 7947.047975][ T1167] do_syscall_64+0xc6/0x1e0 [ 7947.047975][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7947.047975][ T1167] [ 7947.050217][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7947.050217][ T1167] netdev_get_by_index+0x5e/0x80 [ 7947.050217][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7947.050217][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7947.050217][ T1167] ip6_route_add+0x1c/0x140 [ 7947.050217][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7947.050217][ T1167] addrconf_add_dev+0xe2/0x170 [ 7947.050217][ T1167] inet6_addr_add+0x12f/0xa40 [ 7947.050217][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7947.050217][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7947.050217][ T1167] netlink_rcv_skb+0x130/0x360 [ 7947.050217][ T1167] netlink_unicast+0x449/0x710 [ 7947.050217][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7947.050217][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7947.050217][ T1167] ___sys_sendmsg+0xee/0x170 [ 7947.050217][ T1167] __sys_sendmsg+0xcd/0x170 [ 7947.050217][ T1167] do_syscall_64+0xc6/0x1e0 [ 7947.050217][ T1167] [ 7947.052423][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7947.052423][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7947.052423][ T1167] ipv6_find_idev+0x102/0x170 [ 7947.052423][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7947.052423][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7947.052423][ T1167] netlink_rcv_skb+0x130/0x360 [ 7947.052423][ T1167] netlink_unicast+0x449/0x710 [ 7947.052423][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7947.052423][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7947.052423][ T1167] ___sys_sendmsg+0xee/0x170 [ 7947.052423][ T1167] __sys_sendmsg+0xcd/0x170 [ 7947.052423][ T1167] do_syscall_64+0xc6/0x1e0 [ 7947.052423][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7947.052423][ T1167] [ 7947.054154][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7947.054154][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7947.054154][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7947.054154][ T1167] ipv6_find_idev+0x102/0x170 [ 7947.054154][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7947.054154][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7947.054154][ T1167] netlink_rcv_skb+0x130/0x360 [ 7947.054154][ T1167] netlink_unicast+0x449/0x710 [ 7947.054154][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7947.054154][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7947.054154][ T1167] ___sys_sendmsg+0xee/0x170 [ 7947.054154][ T1167] __sys_sendmsg+0xcd/0x170 [ 7947.054154][ T1167] do_syscall_64+0xc6/0x1e0 [ 7947.054154][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7947.054154][ T1167] [ 7956.713075][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7956.713433][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7956.713433][ T10] netdev_get_by_index+0x5e/0x80 [ 7956.713433][ T10] fib6_nh_init+0x3d8/0x1580 [ 7956.713433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7956.713433][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7956.713433][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7956.713433][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7956.713433][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7956.713433][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7956.713433][ T10] addrconf_dad_begin+0x310/0x670 [ 7956.713433][ T10] addrconf_dad_work+0x10b/0xab0 [ 7956.713433][ T10] process_one_work+0x84d/0x18a0 [ 7956.713433][ T10] worker_thread+0x587/0xd30 [ 7956.713433][ T10] kthread+0x28a/0x350 [ 7956.713433][ T10] ret_from_fork+0x31/0x70 [ 7956.713433][ T10] ret_from_fork_asm+0x1a/0x30 [ 7956.713433][ T10] [ 7956.715349][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7956.715349][ T10] netdev_get_by_index+0x5e/0x80 [ 7956.715349][ T10] fib6_nh_init+0x3d8/0x1580 [ 7956.715349][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7956.715349][ T10] ip6_route_add+0x1c/0x140 [ 7956.715349][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7956.715349][ T10] inet6_addr_add+0x4f8/0xa40 [ 7956.715349][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7956.715349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7956.715349][ T10] netlink_rcv_skb+0x130/0x360 [ 7956.715349][ T10] netlink_unicast+0x449/0x710 [ 7956.715349][ T10] netlink_sendmsg+0x723/0xbe0 [ 7956.715349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7956.715349][ T10] ___sys_sendmsg+0xee/0x170 [ 7956.715349][ T10] __sys_sendmsg+0xcd/0x170 [ 7956.715349][ T10] do_syscall_64+0xc6/0x1e0 [ 7956.715349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7956.715349][ T10] [ 7956.717332][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7956.717332][ T10] netdev_get_by_index+0x5e/0x80 [ 7956.717332][ T10] fib6_nh_init+0x3d8/0x1580 [ 7956.717332][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7956.717332][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7956.717332][ T10] ipv6_add_addr+0x411/0x2000 [ 7956.717332][ T10] inet6_addr_add+0x30e/0xa40 [ 7956.717332][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7956.717332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7956.717332][ T10] netlink_rcv_skb+0x130/0x360 [ 7956.717332][ T10] netlink_unicast+0x449/0x710 [ 7956.717332][ T10] netlink_sendmsg+0x723/0xbe0 [ 7956.717332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7956.717332][ T10] ___sys_sendmsg+0xee/0x170 [ 7956.717332][ T10] __sys_sendmsg+0xcd/0x170 [ 7956.717332][ T10] do_syscall_64+0xc6/0x1e0 [ 7956.717332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7956.717332][ T10] [ 7956.719318][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7956.719318][ T10] netdev_get_by_index+0x5e/0x80 [ 7956.719318][ T10] fib6_nh_init+0x3d8/0x1580 [ 7956.719318][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7956.719318][ T10] ip6_route_add+0x1c/0x140 [ 7956.719318][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7956.719318][ T10] addrconf_add_dev+0xe2/0x170 [ 7956.719318][ T10] inet6_addr_add+0x12f/0xa40 [ 7956.719318][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7956.719318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7956.719318][ T10] netlink_rcv_skb+0x130/0x360 [ 7956.719318][ T10] netlink_unicast+0x449/0x710 [ 7956.719318][ T10] netlink_sendmsg+0x723/0xbe0 [ 7956.719318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7956.719318][ T10] ___sys_sendmsg+0xee/0x170 [ 7956.719318][ T10] __sys_sendmsg+0xcd/0x170 [ 7956.719318][ T10] do_syscall_64+0xc6/0x1e0 [ 7956.719318][ T10] [ 7956.721277][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7956.721277][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7956.721277][ T10] ipv6_find_idev+0x102/0x170 [ 7956.721277][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7956.721277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7956.721277][ T10] netlink_rcv_skb+0x130/0x360 [ 7956.721277][ T10] netlink_unicast+0x449/0x710 [ 7956.721277][ T10] netlink_sendmsg+0x723/0xbe0 [ 7956.721277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7956.721277][ T10] ___sys_sendmsg+0xee/0x170 [ 7956.721277][ T10] __sys_sendmsg+0xcd/0x170 [ 7956.721277][ T10] do_syscall_64+0xc6/0x1e0 [ 7956.721277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7956.721277][ T10] [ 7956.722806][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7956.722806][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7956.722806][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7956.722806][ T10] ipv6_find_idev+0x102/0x170 [ 7956.722806][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7956.722806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7956.722806][ T10] netlink_rcv_skb+0x130/0x360 [ 7956.722806][ T10] netlink_unicast+0x449/0x710 [ 7956.722806][ T10] netlink_sendmsg+0x723/0xbe0 [ 7956.722806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7956.722806][ T10] ___sys_sendmsg+0xee/0x170 [ 7956.722806][ T10] __sys_sendmsg+0xcd/0x170 [ 7956.722806][ T10] do_syscall_64+0xc6/0x1e0 [ 7956.722806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7956.722806][ T10] [ 7956.724478][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7956.724717][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7956.724717][ T10] netdev_get_by_index+0x5e/0x80 [ 7956.724717][ T10] fib6_nh_init+0x3d8/0x1580 [ 7956.724717][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7956.724717][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7956.724717][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7956.724717][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7956.724717][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7956.724717][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7956.724717][ T10] addrconf_dad_begin+0x310/0x670 [ 7956.724717][ T10] addrconf_dad_work+0x10b/0xab0 [ 7956.724717][ T10] process_one_work+0x84d/0x18a0 [ 7956.724717][ T10] worker_thread+0x587/0xd30 [ 7956.724717][ T10] kthread+0x28a/0x350 [ 7956.724717][ T10] ret_from_fork+0x31/0x70 [ 7956.724717][ T10] ret_from_fork_asm+0x1a/0x30 [ 7956.724717][ T10] [ 7956.726605][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7956.726605][ T10] netdev_get_by_index+0x5e/0x80 [ 7956.726605][ T10] fib6_nh_init+0x3d8/0x1580 [ 7956.726605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7956.726605][ T10] ip6_route_add+0x1c/0x140 [ 7956.726605][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7956.726605][ T10] inet6_addr_add+0x4f8/0xa40 [ 7956.726605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7956.726605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7956.726605][ T10] netlink_rcv_skb+0x130/0x360 [ 7956.726605][ T10] netlink_unicast+0x449/0x710 [ 7956.726605][ T10] netlink_sendmsg+0x723/0xbe0 [ 7956.726605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7956.726605][ T10] ___sys_sendmsg+0xee/0x170 [ 7956.726605][ T10] __sys_sendmsg+0xcd/0x170 [ 7956.726605][ T10] do_syscall_64+0xc6/0x1e0 [ 7956.726605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7956.726605][ T10] [ 7956.728594][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7956.728594][ T10] netdev_get_by_index+0x5e/0x80 [ 7956.728594][ T10] fib6_nh_init+0x3d8/0x1580 [ 7956.728594][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7956.728594][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7956.728594][ T10] ipv6_add_addr+0x411/0x2000 [ 7956.728594][ T10] inet6_addr_add+0x30e/0xa40 [ 7956.728594][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7956.728594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7956.728594][ T10] netlink_rcv_skb+0x130/0x360 [ 7956.728594][ T10] netlink_unicast+0x449/0x710 [ 7956.728594][ T10] netlink_sendmsg+0x723/0xbe0 [ 7956.728594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7956.728594][ T10] ___sys_sendmsg+0xee/0x170 [ 7956.728594][ T10] __sys_sendmsg+0xcd/0x170 [ 7956.728594][ T10] do_syscall_64+0xc6/0x1e0 [ 7956.728594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7956.728594][ T10] [ 7956.730573][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7956.730573][ T10] netdev_get_by_index+0x5e/0x80 [ 7956.730573][ T10] fib6_nh_init+0x3d8/0x1580 [ 7956.730573][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7956.730573][ T10] ip6_route_add+0x1c/0x140 [ 7956.730573][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7956.730573][ T10] addrconf_add_dev+0xe2/0x170 [ 7956.730573][ T10] inet6_addr_add+0x12f/0xa40 [ 7956.730573][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7956.730573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7956.730573][ T10] netlink_rcv_skb+0x130/0x360 [ 7956.730573][ T10] netlink_unicast+0x449/0x710 [ 7956.730573][ T10] netlink_sendmsg+0x723/0xbe0 [ 7956.730573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7956.730573][ T10] ___sys_sendmsg+0xee/0x170 [ 7956.730573][ T10] __sys_sendmsg+0xcd/0x170 [ 7956.730573][ T10] do_syscall_64+0xc6/0x1e0 [ 7956.730573][ T10] [ 7956.732547][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7956.732547][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7956.732547][ T10] ipv6_find_idev+0x102/0x170 [ 7956.732547][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7956.732547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7956.732547][ T10] netlink_rcv_skb+0x130/0x360 [ 7956.732547][ T10] netlink_unicast+0x449/0x710 [ 7956.732547][ T10] netlink_sendmsg+0x723/0xbe0 [ 7956.732547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7956.732547][ T10] ___sys_sendmsg+0xee/0x170 [ 7956.732547][ T10] __sys_sendmsg+0xcd/0x170 [ 7956.732547][ T10] do_syscall_64+0xc6/0x1e0 [ 7956.732547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7956.732547][ T10] [ 7956.734073][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7956.734073][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7956.734073][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7956.734073][ T10] ipv6_find_idev+0x102/0x170 [ 7956.734073][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7956.734073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7956.734073][ T10] netlink_rcv_skb+0x130/0x360 [ 7956.734073][ T10] netlink_unicast+0x449/0x710 [ 7956.734073][ T10] netlink_sendmsg+0x723/0xbe0 [ 7956.734073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7956.734073][ T10] ___sys_sendmsg+0xee/0x170 [ 7956.734073][ T10] __sys_sendmsg+0xcd/0x170 [ 7956.734073][ T10] do_syscall_64+0xc6/0x1e0 [ 7956.734073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7956.734073][ T10] [ 7956.735770][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7956.736016][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7956.736016][ T10] netdev_get_by_index+0x5e/0x80 [ 7956.736016][ T10] fib6_nh_init+0x3d8/0x1580 [ 7956.736016][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7956.736016][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7956.736016][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7956.736016][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7956.736016][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7956.736016][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7956.736016][ T10] addrconf_dad_begin+0x310/0x670 [ 7956.736016][ T10] addrconf_dad_work+0x10b/0xab0 [ 7956.736016][ T10] process_one_work+0x84d/0x18a0 [ 7956.736016][ T10] worker_thread+0x587/0xd30 [ 7956.736016][ T10] kthread+0x28a/0x350 [ 7956.736016][ T10] ret_from_fork+0x31/0x70 [ 7956.736016][ T10] ret_from_fork_asm+0x1a/0x30 [ 7956.736016][ T10] [ 7956.737909][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7956.737909][ T10] netdev_get_by_index+0x5e/0x80 [ 7956.737909][ T10] fib6_nh_init+0x3d8/0x1580 [ 7956.737909][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7956.737909][ T10] ip6_route_add+0x1c/0x140 [ 7956.737909][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7956.737909][ T10] inet6_addr_add+0x4f8/0xa40 [ 7956.737909][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7956.737909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7956.737909][ T10] netlink_rcv_skb+0x130/0x360 [ 7956.737909][ T10] netlink_unicast+0x449/0x710 [ 7956.737909][ T10] netlink_sendmsg+0x723/0xbe0 [ 7956.737909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7956.737909][ T10] ___sys_sendmsg+0xee/0x170 [ 7956.737909][ T10] __sys_sendmsg+0xcd/0x170 [ 7956.737909][ T10] do_syscall_64+0xc6/0x1e0 [ 7956.737909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7956.737909][ T10] [ 7956.740074][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7956.740074][ T10] netdev_get_by_index+0x5e/0x80 [ 7956.740074][ T10] fib6_nh_init+0x3d8/0x1580 [ 7956.740074][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7956.740074][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7956.740074][ T10] ipv6_add_addr+0x411/0x2000 [ 7956.740074][ T10] inet6_addr_add+0x30e/0xa40 [ 7956.740074][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7956.740074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7956.740074][ T10] netlink_rcv_skb+0x130/0x360 [ 7956.740074][ T10] netlink_unicast+0x449/0x710 [ 7956.740074][ T10] netlink_sendmsg+0x723/0xbe0 [ 7956.740074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7956.740074][ T10] ___sys_sendmsg+0xee/0x170 [ 7956.740074][ T10] __sys_sendmsg+0xcd/0x170 [ 7956.740074][ T10] do_syscall_64+0xc6/0x1e0 [ 7956.740074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7956.740074][ T10] [ 7956.742359][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7956.742359][ T10] netdev_get_by_index+0x5e/0x80 [ 7956.742359][ T10] fib6_nh_init+0x3d8/0x1580 [ 7956.742359][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7956.742359][ T10] ip6_route_add+0x1c/0x140 [ 7956.742359][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7956.742359][ T10] addrconf_add_dev+0xe2/0x170 [ 7956.742359][ T10] inet6_addr_add+0x12f/0xa40 [ 7956.742359][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7956.742359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7956.742359][ T10] netlink_rcv_skb+0x130/0x360 [ 7956.742359][ T10] netlink_unicast+0x449/0x710 [ 7956.742359][ T10] netlink_sendmsg+0x723/0xbe0 [ 7956.742359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7956.742359][ T10] ___sys_sendmsg+0xee/0x170 [ 7956.742359][ T10] __sys_sendmsg+0xcd/0x170 [ 7956.742359][ T10] do_syscall_64+0xc6/0x1e0 [ 7956.742359][ T10] [ 7956.744548][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7956.744548][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7956.744548][ T10] ipv6_find_idev+0x102/0x170 [ 7956.744548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7956.744548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7956.744548][ T10] netlink_rcv_skb+0x130/0x360 [ 7956.744548][ T10] netlink_unicast+0x449/0x710 [ 7956.744548][ T10] netlink_sendmsg+0x723/0xbe0 [ 7956.744548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7956.744548][ T10] ___sys_sendmsg+0xee/0x170 [ 7956.744548][ T10] __sys_sendmsg+0xcd/0x170 [ 7956.744548][ T10] do_syscall_64+0xc6/0x1e0 [ 7956.744548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7956.744548][ T10] [ 7956.746247][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7956.746247][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7956.746247][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7956.746247][ T10] ipv6_find_idev+0x102/0x170 [ 7956.746247][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7956.746247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7956.746247][ T10] netlink_rcv_skb+0x130/0x360 [ 7956.746247][ T10] netlink_unicast+0x449/0x710 [ 7956.746247][ T10] netlink_sendmsg+0x723/0xbe0 [ 7956.746247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7956.746247][ T10] ___sys_sendmsg+0xee/0x170 [ 7956.746247][ T10] __sys_sendmsg+0xcd/0x170 [ 7956.746247][ T10] do_syscall_64+0xc6/0x1e0 [ 7956.746247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7956.746247][ T10] [ 7956.748093][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7956.748326][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7956.748326][ T10] netdev_get_by_index+0x5e/0x80 [ 7956.748326][ T10] fib6_nh_init+0x3d8/0x1580 [ 7956.748326][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7956.748326][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7956.748326][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7956.748326][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7956.748326][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7956.748326][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7956.748326][ T10] addrconf_dad_begin+0x310/0x670 [ 7956.748326][ T10] addrconf_dad_work+0x10b/0xab0 [ 7956.748326][ T10] process_one_work+0x84d/0x18a0 [ 7956.748326][ T10] worker_thread+0x587/0xd30 [ 7956.748326][ T10] kthread+0x28a/0x350 [ 7956.748326][ T10] ret_from_fork+0x31/0x70 [ 7956.748326][ T10] ret_from_fork_asm+0x1a/0x30 [ 7956.748326][ T10] [ 7956.750519][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7956.750519][ T10] netdev_get_by_index+0x5e/0x80 [ 7956.750519][ T10] fib6_nh_init+0x3d8/0x1580 [ 7956.750519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7956.750519][ T10] ip6_route_add+0x1c/0x140 [ 7956.750519][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7956.750519][ T10] inet6_addr_add+0x4f8/0xa40 [ 7956.750519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7956.750519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7956.750519][ T10] netlink_rcv_skb+0x130/0x360 [ 7956.750519][ T10] netlink_unicast+0x449/0x710 [ 7956.750519][ T10] netlink_sendmsg+0x723/0xbe0 [ 7956.750519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7956.750519][ T10] ___sys_sendmsg+0xee/0x170 [ 7956.750519][ T10] __sys_sendmsg+0xcd/0x170 [ 7956.750519][ T10] do_syscall_64+0xc6/0x1e0 [ 7956.750519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7956.750519][ T10] [ 7956.752740][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7956.752740][ T10] netdev_get_by_index+0x5e/0x80 [ 7956.752740][ T10] fib6_nh_init+0x3d8/0x1580 [ 7956.752740][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7956.752740][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7956.752740][ T10] ipv6_add_addr+0x411/0x2000 [ 7956.752740][ T10] inet6_addr_add+0x30e/0xa40 [ 7956.752740][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7956.752740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7956.752740][ T10] netlink_rcv_skb+0x130/0x360 [ 7956.752740][ T10] netlink_unicast+0x449/0x710 [ 7956.752740][ T10] netlink_sendmsg+0x723/0xbe0 [ 7956.752740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7956.752740][ T10] ___sys_sendmsg+0xee/0x170 [ 7956.752740][ T10] __sys_sendmsg+0xcd/0x170 [ 7956.752740][ T10] do_syscall_64+0xc6/0x1e0 [ 7956.752740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7956.752740][ T10] [ 7956.754900][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7956.754900][ T10] netdev_get_by_index+0x5e/0x80 [ 7956.754900][ T10] fib6_nh_init+0x3d8/0x1580 [ 7956.754900][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7956.754900][ T10] ip6_route_add+0x1c/0x140 [ 7956.754900][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7956.754900][ T10] addrconf_add_dev+0xe2/0x170 [ 7956.754900][ T10] inet6_addr_add+0x12f/0xa40 [ 7956.754900][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7956.754900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7956.754900][ T10] netlink_rcv_skb+0x130/0x360 [ 7956.754900][ T10] netlink_unicast+0x449/0x710 [ 7956.754900][ T10] netlink_sendmsg+0x723/0xbe0 [ 7956.754900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7956.754900][ T10] ___sys_sendmsg+0xee/0x170 [ 7956.754900][ T10] __sys_sendmsg+0xcd/0x170 [ 7956.754900][ T10] do_syscall_64+0xc6/0x1e0 [ 7956.754900][ T10] [ 7956.757091][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7956.757091][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7956.757091][ T10] ipv6_find_idev+0x102/0x170 [ 7956.757091][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7956.757091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7956.757091][ T10] netlink_rcv_skb+0x130/0x360 [ 7956.757091][ T10] netlink_unicast+0x449/0x710 [ 7956.757091][ T10] netlink_sendmsg+0x723/0xbe0 [ 7956.757091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7956.757091][ T10] ___sys_sendmsg+0xee/0x170 [ 7956.757091][ T10] __sys_sendmsg+0xcd/0x170 [ 7956.757091][ T10] do_syscall_64+0xc6/0x1e0 [ 7956.757091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7956.757091][ T10] [ 7956.758807][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7956.758807][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7956.758807][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7956.758807][ T10] ipv6_find_idev+0x102/0x170 [ 7956.758807][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7956.758807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7956.758807][ T10] netlink_rcv_skb+0x130/0x360 [ 7956.758807][ T10] netlink_unicast+0x449/0x710 [ 7956.758807][ T10] netlink_sendmsg+0x723/0xbe0 [ 7956.758807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7956.758807][ T10] ___sys_sendmsg+0xee/0x170 [ 7956.758807][ T10] __sys_sendmsg+0xcd/0x170 [ 7956.758807][ T10] do_syscall_64+0xc6/0x1e0 [ 7956.758807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7956.758807][ T10] [ 7957.225129][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7957.225611][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7957.225611][ T1167] dst_init+0x84/0x4a0 [ 7957.225611][ T1167] dst_alloc+0x97/0x150 [ 7957.225611][ T1167] ip6_dst_alloc+0x23/0x90 [ 7957.225611][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7957.225611][ T1167] ip6_pol_route+0x56f/0x840 [ 7957.225611][ T1167] fib6_rule_lookup+0x334/0x630 [ 7957.225611][ T1167] ip6_route_output_flags+0x259/0x480 [ 7957.225611][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7957.225611][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7957.225611][ T1167] netlink_rcv_skb+0x130/0x360 [ 7957.225611][ T1167] netlink_unicast+0x449/0x710 [ 7957.225611][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7957.225611][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7957.225611][ T1167] ___sys_sendmsg+0xee/0x170 [ 7957.225611][ T1167] __sys_sendmsg+0xcd/0x170 [ 7957.225611][ T1167] do_syscall_64+0xc6/0x1e0 [ 7957.225611][ T1167] [ 7957.227796][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7957.227796][ T1167] netdev_get_by_index+0x5e/0x80 [ 7957.227796][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7957.227796][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7957.227796][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7957.227796][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7957.227796][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7957.227796][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7957.227796][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7957.227796][ T1167] addrconf_dad_begin+0x310/0x670 [ 7957.227796][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7957.227796][ T1167] process_one_work+0x84d/0x18a0 [ 7957.227796][ T1167] worker_thread+0x587/0xd30 [ 7957.227796][ T1167] kthread+0x28a/0x350 [ 7957.227796][ T1167] ret_from_fork+0x31/0x70 [ 7957.227796][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7957.227796][ T1167] [ 7957.229926][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7957.229926][ T1167] netdev_get_by_index+0x5e/0x80 [ 7957.229926][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7957.229926][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7957.229926][ T1167] ip6_route_add+0x1c/0x140 [ 7957.229926][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7957.229926][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7957.229926][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7957.229926][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7957.229926][ T1167] netlink_rcv_skb+0x130/0x360 [ 7957.229926][ T1167] netlink_unicast+0x449/0x710 [ 7957.229926][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7957.229926][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7957.229926][ T1167] ___sys_sendmsg+0xee/0x170 [ 7957.229926][ T1167] __sys_sendmsg+0xcd/0x170 [ 7957.229926][ T1167] do_syscall_64+0xc6/0x1e0 [ 7957.229926][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7957.229926][ T1167] [ 7957.232158][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7957.232158][ T1167] netdev_get_by_index+0x5e/0x80 [ 7957.232158][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7957.232158][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7957.232158][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7957.232158][ T1167] ipv6_add_addr+0x411/0x2000 [ 7957.232158][ T1167] inet6_addr_add+0x30e/0xa40 [ 7957.232158][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7957.232158][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7957.232158][ T1167] netlink_rcv_skb+0x130/0x360 [ 7957.232158][ T1167] netlink_unicast+0x449/0x710 [ 7957.232158][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7957.232158][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7957.232158][ T1167] ___sys_sendmsg+0xee/0x170 [ 7957.232158][ T1167] __sys_sendmsg+0xcd/0x170 [ 7957.232158][ T1167] do_syscall_64+0xc6/0x1e0 [ 7957.232158][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7957.232158][ T1167] [ 7957.234380][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7957.234380][ T1167] netdev_get_by_index+0x5e/0x80 [ 7957.234380][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7957.234380][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7957.234380][ T1167] ip6_route_add+0x1c/0x140 [ 7957.234380][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7957.234380][ T1167] addrconf_add_dev+0xe2/0x170 [ 7957.234380][ T1167] inet6_addr_add+0x12f/0xa40 [ 7957.234380][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7957.234380][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7957.234380][ T1167] netlink_rcv_skb+0x130/0x360 [ 7957.234380][ T1167] netlink_unicast+0x449/0x710 [ 7957.234380][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7957.234380][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7957.234380][ T1167] ___sys_sendmsg+0xee/0x170 [ 7957.234380][ T1167] __sys_sendmsg+0xcd/0x170 [ 7957.234380][ T1167] do_syscall_64+0xc6/0x1e0 [ 7957.234380][ T1167] [ 7957.236564][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7957.236564][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7957.236564][ T1167] ipv6_find_idev+0x102/0x170 [ 7957.236564][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7957.236564][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7957.236564][ T1167] netlink_rcv_skb+0x130/0x360 [ 7957.236564][ T1167] netlink_unicast+0x449/0x710 [ 7957.236564][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7957.236564][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7957.236564][ T1167] ___sys_sendmsg+0xee/0x170 [ 7957.236564][ T1167] __sys_sendmsg+0xcd/0x170 [ 7957.236564][ T1167] do_syscall_64+0xc6/0x1e0 [ 7957.236564][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7957.236564][ T1167] [ 7957.238284][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7957.238284][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7957.238284][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7957.238284][ T1167] ipv6_find_idev+0x102/0x170 [ 7957.238284][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7957.238284][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7957.238284][ T1167] netlink_rcv_skb+0x130/0x360 [ 7957.238284][ T1167] netlink_unicast+0x449/0x710 [ 7957.238284][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7957.238284][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7957.238284][ T1167] ___sys_sendmsg+0xee/0x170 [ 7957.238284][ T1167] __sys_sendmsg+0xcd/0x170 [ 7957.238284][ T1167] do_syscall_64+0xc6/0x1e0 [ 7957.238284][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7957.238284][ T1167] [ 7966.977113][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7966.977470][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7966.977470][ T10] netdev_get_by_index+0x5e/0x80 [ 7966.977470][ T10] fib6_nh_init+0x3d8/0x1580 [ 7966.977470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7966.977470][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7966.977470][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7966.977470][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7966.977470][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7966.977470][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7966.977470][ T10] addrconf_dad_begin+0x310/0x670 [ 7966.977470][ T10] addrconf_dad_work+0x10b/0xab0 [ 7966.977470][ T10] process_one_work+0x84d/0x18a0 [ 7966.977470][ T10] worker_thread+0x587/0xd30 [ 7966.977470][ T10] kthread+0x28a/0x350 [ 7966.977470][ T10] ret_from_fork+0x31/0x70 [ 7966.977470][ T10] ret_from_fork_asm+0x1a/0x30 [ 7966.977470][ T10] [ 7966.979921][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7966.979921][ T10] netdev_get_by_index+0x5e/0x80 [ 7966.979921][ T10] fib6_nh_init+0x3d8/0x1580 [ 7966.979921][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7966.979921][ T10] ip6_route_add+0x1c/0x140 [ 7966.979921][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7966.979921][ T10] inet6_addr_add+0x4f8/0xa40 [ 7966.979921][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7966.979921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7966.979921][ T10] netlink_rcv_skb+0x130/0x360 [ 7966.979921][ T10] netlink_unicast+0x449/0x710 [ 7966.979921][ T10] netlink_sendmsg+0x723/0xbe0 [ 7966.979921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7966.979921][ T10] ___sys_sendmsg+0xee/0x170 [ 7966.979921][ T10] __sys_sendmsg+0xcd/0x170 [ 7966.979921][ T10] do_syscall_64+0xc6/0x1e0 [ 7966.979921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7966.979921][ T10] [ 7966.981916][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7966.981916][ T10] netdev_get_by_index+0x5e/0x80 [ 7966.981916][ T10] fib6_nh_init+0x3d8/0x1580 [ 7966.981916][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7966.981916][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7966.981916][ T10] ipv6_add_addr+0x411/0x2000 [ 7966.981916][ T10] inet6_addr_add+0x30e/0xa40 [ 7966.981916][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7966.981916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7966.981916][ T10] netlink_rcv_skb+0x130/0x360 [ 7966.981916][ T10] netlink_unicast+0x449/0x710 [ 7966.981916][ T10] netlink_sendmsg+0x723/0xbe0 [ 7966.981916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7966.981916][ T10] ___sys_sendmsg+0xee/0x170 [ 7966.981916][ T10] __sys_sendmsg+0xcd/0x170 [ 7966.981916][ T10] do_syscall_64+0xc6/0x1e0 [ 7966.981916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7966.981916][ T10] [ 7966.983904][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7966.983904][ T10] netdev_get_by_index+0x5e/0x80 [ 7966.983904][ T10] fib6_nh_init+0x3d8/0x1580 [ 7966.983904][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7966.983904][ T10] ip6_route_add+0x1c/0x140 [ 7966.983904][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7966.983904][ T10] addrconf_add_dev+0xe2/0x170 [ 7966.983904][ T10] inet6_addr_add+0x12f/0xa40 [ 7966.983904][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7966.983904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7966.983904][ T10] netlink_rcv_skb+0x130/0x360 [ 7966.983904][ T10] netlink_unicast+0x449/0x710 [ 7966.983904][ T10] netlink_sendmsg+0x723/0xbe0 [ 7966.983904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7966.983904][ T10] ___sys_sendmsg+0xee/0x170 [ 7966.983904][ T10] __sys_sendmsg+0xcd/0x170 [ 7966.983904][ T10] do_syscall_64+0xc6/0x1e0 [ 7966.983904][ T10] [ 7966.985849][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7966.985849][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7966.985849][ T10] ipv6_find_idev+0x102/0x170 [ 7966.985849][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7966.985849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7966.985849][ T10] netlink_rcv_skb+0x130/0x360 [ 7966.985849][ T10] netlink_unicast+0x449/0x710 [ 7966.985849][ T10] netlink_sendmsg+0x723/0xbe0 [ 7966.985849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7966.985849][ T10] ___sys_sendmsg+0xee/0x170 [ 7966.985849][ T10] __sys_sendmsg+0xcd/0x170 [ 7966.985849][ T10] do_syscall_64+0xc6/0x1e0 [ 7966.985849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7966.985849][ T10] [ 7966.987382][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7966.987382][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7966.987382][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7966.987382][ T10] ipv6_find_idev+0x102/0x170 [ 7966.987382][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7966.987382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7966.987382][ T10] netlink_rcv_skb+0x130/0x360 [ 7966.987382][ T10] netlink_unicast+0x449/0x710 [ 7966.987382][ T10] netlink_sendmsg+0x723/0xbe0 [ 7966.987382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7966.987382][ T10] ___sys_sendmsg+0xee/0x170 [ 7966.987382][ T10] __sys_sendmsg+0xcd/0x170 [ 7966.987382][ T10] do_syscall_64+0xc6/0x1e0 [ 7966.987382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7966.987382][ T10] [ 7966.989061][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7966.989308][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7966.989308][ T10] netdev_get_by_index+0x5e/0x80 [ 7966.989308][ T10] fib6_nh_init+0x3d8/0x1580 [ 7966.989308][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7966.989308][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7966.989308][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7966.989308][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7966.989308][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7966.989308][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7966.989308][ T10] addrconf_dad_begin+0x310/0x670 [ 7966.989308][ T10] addrconf_dad_work+0x10b/0xab0 [ 7966.989308][ T10] process_one_work+0x84d/0x18a0 [ 7966.989308][ T10] worker_thread+0x587/0xd30 [ 7966.989308][ T10] kthread+0x28a/0x350 [ 7966.989308][ T10] ret_from_fork+0x31/0x70 [ 7966.989308][ T10] ret_from_fork_asm+0x1a/0x30 [ 7966.989308][ T10] [ 7966.991213][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7966.991213][ T10] netdev_get_by_index+0x5e/0x80 [ 7966.991213][ T10] fib6_nh_init+0x3d8/0x1580 [ 7966.991213][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7966.991213][ T10] ip6_route_add+0x1c/0x140 [ 7966.991213][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7966.991213][ T10] inet6_addr_add+0x4f8/0xa40 [ 7966.991213][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7966.991213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7966.991213][ T10] netlink_rcv_skb+0x130/0x360 [ 7966.991213][ T10] netlink_unicast+0x449/0x710 [ 7966.991213][ T10] netlink_sendmsg+0x723/0xbe0 [ 7966.991213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7966.991213][ T10] ___sys_sendmsg+0xee/0x170 [ 7966.991213][ T10] __sys_sendmsg+0xcd/0x170 [ 7966.991213][ T10] do_syscall_64+0xc6/0x1e0 [ 7966.991213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7966.991213][ T10] [ 7966.993194][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7966.993194][ T10] netdev_get_by_index+0x5e/0x80 [ 7966.993194][ T10] fib6_nh_init+0x3d8/0x1580 [ 7966.993194][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7966.993194][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7966.993194][ T10] ipv6_add_addr+0x411/0x2000 [ 7966.993194][ T10] inet6_addr_add+0x30e/0xa40 [ 7966.993194][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7966.993194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7966.993194][ T10] netlink_rcv_skb+0x130/0x360 [ 7966.993194][ T10] netlink_unicast+0x449/0x710 [ 7966.993194][ T10] netlink_sendmsg+0x723/0xbe0 [ 7966.993194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7966.993194][ T10] ___sys_sendmsg+0xee/0x170 [ 7966.993194][ T10] __sys_sendmsg+0xcd/0x170 [ 7966.993194][ T10] do_syscall_64+0xc6/0x1e0 [ 7966.993194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7966.993194][ T10] [ 7966.995173][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7966.995173][ T10] netdev_get_by_index+0x5e/0x80 [ 7966.995173][ T10] fib6_nh_init+0x3d8/0x1580 [ 7966.995173][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7966.995173][ T10] ip6_route_add+0x1c/0x140 [ 7966.995173][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7966.995173][ T10] addrconf_add_dev+0xe2/0x170 [ 7966.995173][ T10] inet6_addr_add+0x12f/0xa40 [ 7966.995173][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7966.995173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7966.995173][ T10] netlink_rcv_skb+0x130/0x360 [ 7966.995173][ T10] netlink_unicast+0x449/0x710 [ 7966.995173][ T10] netlink_sendmsg+0x723/0xbe0 [ 7966.995173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7966.995173][ T10] ___sys_sendmsg+0xee/0x170 [ 7966.995173][ T10] __sys_sendmsg+0xcd/0x170 [ 7966.995173][ T10] do_syscall_64+0xc6/0x1e0 [ 7966.995173][ T10] [ 7966.997113][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7966.997113][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7966.997113][ T10] ipv6_find_idev+0x102/0x170 [ 7966.997113][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7966.997113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7966.997113][ T10] netlink_rcv_skb+0x130/0x360 [ 7966.997113][ T10] netlink_unicast+0x449/0x710 [ 7966.997113][ T10] netlink_sendmsg+0x723/0xbe0 [ 7966.997113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7966.997113][ T10] ___sys_sendmsg+0xee/0x170 [ 7966.997113][ T10] __sys_sendmsg+0xcd/0x170 [ 7966.997113][ T10] do_syscall_64+0xc6/0x1e0 [ 7966.997113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7966.997113][ T10] [ 7966.998638][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7966.998638][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7966.998638][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7966.998638][ T10] ipv6_find_idev+0x102/0x170 [ 7966.998638][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7966.998638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7966.998638][ T10] netlink_rcv_skb+0x130/0x360 [ 7966.998638][ T10] netlink_unicast+0x449/0x710 [ 7966.998638][ T10] netlink_sendmsg+0x723/0xbe0 [ 7966.998638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7966.998638][ T10] ___sys_sendmsg+0xee/0x170 [ 7966.998638][ T10] __sys_sendmsg+0xcd/0x170 [ 7966.998638][ T10] do_syscall_64+0xc6/0x1e0 [ 7966.998638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7966.998638][ T10] [ 7967.000311][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7967.000548][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7967.000548][ T10] netdev_get_by_index+0x5e/0x80 [ 7967.000548][ T10] fib6_nh_init+0x3d8/0x1580 [ 7967.000548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7967.000548][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7967.000548][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7967.000548][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7967.000548][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7967.000548][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7967.000548][ T10] addrconf_dad_begin+0x310/0x670 [ 7967.000548][ T10] addrconf_dad_work+0x10b/0xab0 [ 7967.000548][ T10] process_one_work+0x84d/0x18a0 [ 7967.000548][ T10] worker_thread+0x587/0xd30 [ 7967.000548][ T10] kthread+0x28a/0x350 [ 7967.000548][ T10] ret_from_fork+0x31/0x70 [ 7967.000548][ T10] ret_from_fork_asm+0x1a/0x30 [ 7967.000548][ T10] [ 7967.002468][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7967.002468][ T10] netdev_get_by_index+0x5e/0x80 [ 7967.002468][ T10] fib6_nh_init+0x3d8/0x1580 [ 7967.002468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7967.002468][ T10] ip6_route_add+0x1c/0x140 [ 7967.002468][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7967.002468][ T10] inet6_addr_add+0x4f8/0xa40 [ 7967.002468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7967.002468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7967.002468][ T10] netlink_rcv_skb+0x130/0x360 [ 7967.002468][ T10] netlink_unicast+0x449/0x710 [ 7967.002468][ T10] netlink_sendmsg+0x723/0xbe0 [ 7967.002468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7967.002468][ T10] ___sys_sendmsg+0xee/0x170 [ 7967.002468][ T10] __sys_sendmsg+0xcd/0x170 [ 7967.002468][ T10] do_syscall_64+0xc6/0x1e0 [ 7967.002468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7967.002468][ T10] [ 7967.004625][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7967.004625][ T10] netdev_get_by_index+0x5e/0x80 [ 7967.004625][ T10] fib6_nh_init+0x3d8/0x1580 [ 7967.004625][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7967.004625][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7967.004625][ T10] ipv6_add_addr+0x411/0x2000 [ 7967.004625][ T10] inet6_addr_add+0x30e/0xa40 [ 7967.004625][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7967.004625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7967.004625][ T10] netlink_rcv_skb+0x130/0x360 [ 7967.004625][ T10] netlink_unicast+0x449/0x710 [ 7967.004625][ T10] netlink_sendmsg+0x723/0xbe0 [ 7967.004625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7967.004625][ T10] ___sys_sendmsg+0xee/0x170 [ 7967.004625][ T10] __sys_sendmsg+0xcd/0x170 [ 7967.004625][ T10] do_syscall_64+0xc6/0x1e0 [ 7967.004625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7967.004625][ T10] [ 7967.006833][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7967.006833][ T10] netdev_get_by_index+0x5e/0x80 [ 7967.006833][ T10] fib6_nh_init+0x3d8/0x1580 [ 7967.006833][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7967.006833][ T10] ip6_route_add+0x1c/0x140 [ 7967.006833][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7967.006833][ T10] addrconf_add_dev+0xe2/0x170 [ 7967.006833][ T10] inet6_addr_add+0x12f/0xa40 [ 7967.006833][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7967.006833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7967.006833][ T10] netlink_rcv_skb+0x130/0x360 [ 7967.006833][ T10] netlink_unicast+0x449/0x710 [ 7967.006833][ T10] netlink_sendmsg+0x723/0xbe0 [ 7967.006833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7967.006833][ T10] ___sys_sendmsg+0xee/0x170 [ 7967.006833][ T10] __sys_sendmsg+0xcd/0x170 [ 7967.006833][ T10] do_syscall_64+0xc6/0x1e0 [ 7967.006833][ T10] [ 7967.009041][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7967.009041][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7967.009041][ T10] ipv6_find_idev+0x102/0x170 [ 7967.009041][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7967.009041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7967.009041][ T10] netlink_rcv_skb+0x130/0x360 [ 7967.009041][ T10] netlink_unicast+0x449/0x710 [ 7967.009041][ T10] netlink_sendmsg+0x723/0xbe0 [ 7967.009041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7967.009041][ T10] ___sys_sendmsg+0xee/0x170 [ 7967.009041][ T10] __sys_sendmsg+0xcd/0x170 [ 7967.009041][ T10] do_syscall_64+0xc6/0x1e0 [ 7967.009041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7967.009041][ T10] [ 7967.010753][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7967.010753][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7967.010753][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7967.010753][ T10] ipv6_find_idev+0x102/0x170 [ 7967.010753][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7967.010753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7967.010753][ T10] netlink_rcv_skb+0x130/0x360 [ 7967.010753][ T10] netlink_unicast+0x449/0x710 [ 7967.010753][ T10] netlink_sendmsg+0x723/0xbe0 [ 7967.010753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7967.010753][ T10] ___sys_sendmsg+0xee/0x170 [ 7967.010753][ T10] __sys_sendmsg+0xcd/0x170 [ 7967.010753][ T10] do_syscall_64+0xc6/0x1e0 [ 7967.010753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7967.010753][ T10] [ 7967.012668][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7967.012900][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7967.012900][ T10] netdev_get_by_index+0x5e/0x80 [ 7967.012900][ T10] fib6_nh_init+0x3d8/0x1580 [ 7967.012900][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7967.012900][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7967.012900][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7967.012900][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7967.012900][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7967.012900][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7967.012900][ T10] addrconf_dad_begin+0x310/0x670 [ 7967.012900][ T10] addrconf_dad_work+0x10b/0xab0 [ 7967.012900][ T10] process_one_work+0x84d/0x18a0 [ 7967.012900][ T10] worker_thread+0x587/0xd30 [ 7967.012900][ T10] kthread+0x28a/0x350 [ 7967.012900][ T10] ret_from_fork+0x31/0x70 [ 7967.012900][ T10] ret_from_fork_asm+0x1a/0x30 [ 7967.012900][ T10] [ 7967.015033][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7967.015033][ T10] netdev_get_by_index+0x5e/0x80 [ 7967.015033][ T10] fib6_nh_init+0x3d8/0x1580 [ 7967.015033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7967.015033][ T10] ip6_route_add+0x1c/0x140 [ 7967.015033][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7967.015033][ T10] inet6_addr_add+0x4f8/0xa40 [ 7967.015033][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7967.015033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7967.015033][ T10] netlink_rcv_skb+0x130/0x360 [ 7967.015033][ T10] netlink_unicast+0x449/0x710 [ 7967.015033][ T10] netlink_sendmsg+0x723/0xbe0 [ 7967.015033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7967.015033][ T10] ___sys_sendmsg+0xee/0x170 [ 7967.015033][ T10] __sys_sendmsg+0xcd/0x170 [ 7967.015033][ T10] do_syscall_64+0xc6/0x1e0 [ 7967.015033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7967.015033][ T10] [ 7967.017252][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7967.017252][ T10] netdev_get_by_index+0x5e/0x80 [ 7967.017252][ T10] fib6_nh_init+0x3d8/0x1580 [ 7967.017252][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7967.017252][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7967.017252][ T10] ipv6_add_addr+0x411/0x2000 [ 7967.017252][ T10] inet6_addr_add+0x30e/0xa40 [ 7967.017252][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7967.017252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7967.017252][ T10] netlink_rcv_skb+0x130/0x360 [ 7967.017252][ T10] netlink_unicast+0x449/0x710 [ 7967.017252][ T10] netlink_sendmsg+0x723/0xbe0 [ 7967.017252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7967.017252][ T10] ___sys_sendmsg+0xee/0x170 [ 7967.017252][ T10] __sys_sendmsg+0xcd/0x170 [ 7967.017252][ T10] do_syscall_64+0xc6/0x1e0 [ 7967.017252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7967.017252][ T10] [ 7967.019410][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7967.019410][ T10] netdev_get_by_index+0x5e/0x80 [ 7967.019410][ T10] fib6_nh_init+0x3d8/0x1580 [ 7967.019410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7967.019410][ T10] ip6_route_add+0x1c/0x140 [ 7967.019410][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7967.019410][ T10] addrconf_add_dev+0xe2/0x170 [ 7967.019410][ T10] inet6_addr_add+0x12f/0xa40 [ 7967.019410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7967.019410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7967.019410][ T10] netlink_rcv_skb+0x130/0x360 [ 7967.019410][ T10] netlink_unicast+0x449/0x710 [ 7967.019410][ T10] netlink_sendmsg+0x723/0xbe0 [ 7967.019410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7967.019410][ T10] ___sys_sendmsg+0xee/0x170 [ 7967.019410][ T10] __sys_sendmsg+0xcd/0x170 [ 7967.019410][ T10] do_syscall_64+0xc6/0x1e0 [ 7967.019410][ T10] [ 7967.021663][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7967.021663][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7967.021663][ T10] ipv6_find_idev+0x102/0x170 [ 7967.021663][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7967.021663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7967.021663][ T10] netlink_rcv_skb+0x130/0x360 [ 7967.021663][ T10] netlink_unicast+0x449/0x710 [ 7967.021663][ T10] netlink_sendmsg+0x723/0xbe0 [ 7967.021663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7967.021663][ T10] ___sys_sendmsg+0xee/0x170 [ 7967.021663][ T10] __sys_sendmsg+0xcd/0x170 [ 7967.021663][ T10] do_syscall_64+0xc6/0x1e0 [ 7967.021663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7967.021663][ T10] [ 7967.023368][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7967.023368][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7967.023368][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7967.023368][ T10] ipv6_find_idev+0x102/0x170 [ 7967.023368][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7967.023368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7967.023368][ T10] netlink_rcv_skb+0x130/0x360 [ 7967.023368][ T10] netlink_unicast+0x449/0x710 [ 7967.023368][ T10] netlink_sendmsg+0x723/0xbe0 [ 7967.023368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7967.023368][ T10] ___sys_sendmsg+0xee/0x170 [ 7967.023368][ T10] __sys_sendmsg+0xcd/0x170 [ 7967.023368][ T10] do_syscall_64+0xc6/0x1e0 [ 7967.023368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7967.023368][ T10] [ 7967.489135][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7967.489541][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7967.489541][ T1167] dst_init+0x84/0x4a0 [ 7967.489541][ T1167] dst_alloc+0x97/0x150 [ 7967.489541][ T1167] ip6_dst_alloc+0x23/0x90 [ 7967.489541][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7967.489541][ T1167] ip6_pol_route+0x56f/0x840 [ 7967.489541][ T1167] fib6_rule_lookup+0x334/0x630 [ 7967.489541][ T1167] ip6_route_output_flags+0x259/0x480 [ 7967.489541][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7967.489541][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7967.489541][ T1167] netlink_rcv_skb+0x130/0x360 [ 7967.489541][ T1167] netlink_unicast+0x449/0x710 [ 7967.489541][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7967.489541][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7967.489541][ T1167] ___sys_sendmsg+0xee/0x170 [ 7967.489541][ T1167] __sys_sendmsg+0xcd/0x170 [ 7967.489541][ T1167] do_syscall_64+0xc6/0x1e0 [ 7967.489541][ T1167] [ 7967.491775][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7967.491775][ T1167] netdev_get_by_index+0x5e/0x80 [ 7967.491775][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7967.491775][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7967.491775][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7967.491775][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7967.491775][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7967.491775][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7967.491775][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7967.491775][ T1167] addrconf_dad_begin+0x310/0x670 [ 7967.491775][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7967.491775][ T1167] process_one_work+0x84d/0x18a0 [ 7967.491775][ T1167] worker_thread+0x587/0xd30 [ 7967.491775][ T1167] kthread+0x28a/0x350 [ 7967.491775][ T1167] ret_from_fork+0x31/0x70 [ 7967.491775][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7967.491775][ T1167] [ 7967.493936][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7967.493936][ T1167] netdev_get_by_index+0x5e/0x80 [ 7967.493936][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7967.493936][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7967.493936][ T1167] ip6_route_add+0x1c/0x140 [ 7967.493936][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7967.493936][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7967.493936][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7967.493936][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7967.493936][ T1167] netlink_rcv_skb+0x130/0x360 [ 7967.493936][ T1167] netlink_unicast+0x449/0x710 [ 7967.493936][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7967.493936][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7967.493936][ T1167] ___sys_sendmsg+0xee/0x170 [ 7967.493936][ T1167] __sys_sendmsg+0xcd/0x170 [ 7967.493936][ T1167] do_syscall_64+0xc6/0x1e0 [ 7967.493936][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7967.493936][ T1167] [ 7967.496196][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7967.496196][ T1167] netdev_get_by_index+0x5e/0x80 [ 7967.496196][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7967.496196][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7967.496196][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7967.496196][ T1167] ipv6_add_addr+0x411/0x2000 [ 7967.496196][ T1167] inet6_addr_add+0x30e/0xa40 [ 7967.496196][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7967.496196][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7967.496196][ T1167] netlink_rcv_skb+0x130/0x360 [ 7967.496196][ T1167] netlink_unicast+0x449/0x710 [ 7967.496196][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7967.496196][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7967.496196][ T1167] ___sys_sendmsg+0xee/0x170 [ 7967.496196][ T1167] __sys_sendmsg+0xcd/0x170 [ 7967.496196][ T1167] do_syscall_64+0xc6/0x1e0 [ 7967.496196][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7967.496196][ T1167] [ 7967.498457][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7967.498457][ T1167] netdev_get_by_index+0x5e/0x80 [ 7967.498457][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7967.498457][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7967.498457][ T1167] ip6_route_add+0x1c/0x140 [ 7967.498457][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7967.498457][ T1167] addrconf_add_dev+0xe2/0x170 [ 7967.498457][ T1167] inet6_addr_add+0x12f/0xa40 [ 7967.498457][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7967.498457][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7967.498457][ T1167] netlink_rcv_skb+0x130/0x360 [ 7967.498457][ T1167] netlink_unicast+0x449/0x710 [ 7967.498457][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7967.498457][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7967.498457][ T1167] ___sys_sendmsg+0xee/0x170 [ 7967.498457][ T1167] __sys_sendmsg+0xcd/0x170 [ 7967.498457][ T1167] do_syscall_64+0xc6/0x1e0 [ 7967.498457][ T1167] [ 7967.500686][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7967.500686][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7967.500686][ T1167] ipv6_find_idev+0x102/0x170 [ 7967.500686][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7967.500686][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7967.500686][ T1167] netlink_rcv_skb+0x130/0x360 [ 7967.500686][ T1167] netlink_unicast+0x449/0x710 [ 7967.500686][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7967.500686][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7967.500686][ T1167] ___sys_sendmsg+0xee/0x170 [ 7967.500686][ T1167] __sys_sendmsg+0xcd/0x170 [ 7967.500686][ T1167] do_syscall_64+0xc6/0x1e0 [ 7967.500686][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7967.500686][ T1167] [ 7967.502426][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7967.502426][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7967.502426][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7967.502426][ T1167] ipv6_find_idev+0x102/0x170 [ 7967.502426][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7967.502426][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7967.502426][ T1167] netlink_rcv_skb+0x130/0x360 [ 7967.502426][ T1167] netlink_unicast+0x449/0x710 [ 7967.502426][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7967.502426][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7967.502426][ T1167] ___sys_sendmsg+0xee/0x170 [ 7967.502426][ T1167] __sys_sendmsg+0xcd/0x170 [ 7967.502426][ T1167] do_syscall_64+0xc6/0x1e0 [ 7967.502426][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7967.502426][ T1167] [ 7977.281051][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7977.281406][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7977.281406][ T10] netdev_get_by_index+0x5e/0x80 [ 7977.281406][ T10] fib6_nh_init+0x3d8/0x1580 [ 7977.281406][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7977.281406][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7977.281406][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7977.281406][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7977.281406][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7977.281406][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7977.281406][ T10] addrconf_dad_begin+0x310/0x670 [ 7977.281406][ T10] addrconf_dad_work+0x10b/0xab0 [ 7977.281406][ T10] process_one_work+0x84d/0x18a0 [ 7977.281406][ T10] worker_thread+0x587/0xd30 [ 7977.281406][ T10] kthread+0x28a/0x350 [ 7977.281406][ T10] ret_from_fork+0x31/0x70 [ 7977.281406][ T10] ret_from_fork_asm+0x1a/0x30 [ 7977.281406][ T10] [ 7977.283325][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7977.283325][ T10] netdev_get_by_index+0x5e/0x80 [ 7977.283325][ T10] fib6_nh_init+0x3d8/0x1580 [ 7977.283325][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7977.283325][ T10] ip6_route_add+0x1c/0x140 [ 7977.283325][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7977.283325][ T10] inet6_addr_add+0x4f8/0xa40 [ 7977.283325][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7977.283325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7977.283325][ T10] netlink_rcv_skb+0x130/0x360 [ 7977.283325][ T10] netlink_unicast+0x449/0x710 [ 7977.283325][ T10] netlink_sendmsg+0x723/0xbe0 [ 7977.283325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7977.283325][ T10] ___sys_sendmsg+0xee/0x170 [ 7977.283325][ T10] __sys_sendmsg+0xcd/0x170 [ 7977.283325][ T10] do_syscall_64+0xc6/0x1e0 [ 7977.283325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7977.283325][ T10] [ 7977.285312][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7977.285312][ T10] netdev_get_by_index+0x5e/0x80 [ 7977.285312][ T10] fib6_nh_init+0x3d8/0x1580 [ 7977.285312][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7977.285312][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7977.285312][ T10] ipv6_add_addr+0x411/0x2000 [ 7977.285312][ T10] inet6_addr_add+0x30e/0xa40 [ 7977.285312][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7977.285312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7977.285312][ T10] netlink_rcv_skb+0x130/0x360 [ 7977.285312][ T10] netlink_unicast+0x449/0x710 [ 7977.285312][ T10] netlink_sendmsg+0x723/0xbe0 [ 7977.285312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7977.285312][ T10] ___sys_sendmsg+0xee/0x170 [ 7977.285312][ T10] __sys_sendmsg+0xcd/0x170 [ 7977.285312][ T10] do_syscall_64+0xc6/0x1e0 [ 7977.285312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7977.285312][ T10] [ 7977.287300][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7977.287300][ T10] netdev_get_by_index+0x5e/0x80 [ 7977.287300][ T10] fib6_nh_init+0x3d8/0x1580 [ 7977.287300][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7977.287300][ T10] ip6_route_add+0x1c/0x140 [ 7977.287300][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7977.287300][ T10] addrconf_add_dev+0xe2/0x170 [ 7977.287300][ T10] inet6_addr_add+0x12f/0xa40 [ 7977.287300][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7977.287300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7977.287300][ T10] netlink_rcv_skb+0x130/0x360 [ 7977.287300][ T10] netlink_unicast+0x449/0x710 [ 7977.287300][ T10] netlink_sendmsg+0x723/0xbe0 [ 7977.287300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7977.287300][ T10] ___sys_sendmsg+0xee/0x170 [ 7977.287300][ T10] __sys_sendmsg+0xcd/0x170 [ 7977.287300][ T10] do_syscall_64+0xc6/0x1e0 [ 7977.287300][ T10] [ 7977.289253][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7977.289253][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7977.289253][ T10] ipv6_find_idev+0x102/0x170 [ 7977.289253][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7977.289253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7977.289253][ T10] netlink_rcv_skb+0x130/0x360 [ 7977.289253][ T10] netlink_unicast+0x449/0x710 [ 7977.289253][ T10] netlink_sendmsg+0x723/0xbe0 [ 7977.289253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7977.289253][ T10] ___sys_sendmsg+0xee/0x170 [ 7977.289253][ T10] __sys_sendmsg+0xcd/0x170 [ 7977.289253][ T10] do_syscall_64+0xc6/0x1e0 [ 7977.289253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7977.289253][ T10] [ 7977.290796][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7977.290796][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7977.290796][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7977.290796][ T10] ipv6_find_idev+0x102/0x170 [ 7977.290796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7977.290796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7977.290796][ T10] netlink_rcv_skb+0x130/0x360 [ 7977.290796][ T10] netlink_unicast+0x449/0x710 [ 7977.290796][ T10] netlink_sendmsg+0x723/0xbe0 [ 7977.290796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7977.290796][ T10] ___sys_sendmsg+0xee/0x170 [ 7977.290796][ T10] __sys_sendmsg+0xcd/0x170 [ 7977.290796][ T10] do_syscall_64+0xc6/0x1e0 [ 7977.290796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7977.290796][ T10] [ 7977.292469][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7977.292704][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7977.292704][ T10] netdev_get_by_index+0x5e/0x80 [ 7977.292704][ T10] fib6_nh_init+0x3d8/0x1580 [ 7977.292704][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7977.292704][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7977.292704][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7977.292704][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7977.292704][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7977.292704][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7977.292704][ T10] addrconf_dad_begin+0x310/0x670 [ 7977.292704][ T10] addrconf_dad_work+0x10b/0xab0 [ 7977.292704][ T10] process_one_work+0x84d/0x18a0 [ 7977.292704][ T10] worker_thread+0x587/0xd30 [ 7977.292704][ T10] kthread+0x28a/0x350 [ 7977.292704][ T10] ret_from_fork+0x31/0x70 [ 7977.292704][ T10] ret_from_fork_asm+0x1a/0x30 [ 7977.292704][ T10] [ 7977.295118][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7977.295118][ T10] netdev_get_by_index+0x5e/0x80 [ 7977.295118][ T10] fib6_nh_init+0x3d8/0x1580 [ 7977.295118][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7977.295118][ T10] ip6_route_add+0x1c/0x140 [ 7977.295118][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7977.295118][ T10] inet6_addr_add+0x4f8/0xa40 [ 7977.295118][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7977.295118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7977.295118][ T10] netlink_rcv_skb+0x130/0x360 [ 7977.295118][ T10] netlink_unicast+0x449/0x710 [ 7977.295118][ T10] netlink_sendmsg+0x723/0xbe0 [ 7977.295118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7977.295118][ T10] ___sys_sendmsg+0xee/0x170 [ 7977.295118][ T10] __sys_sendmsg+0xcd/0x170 [ 7977.295118][ T10] do_syscall_64+0xc6/0x1e0 [ 7977.295118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7977.295118][ T10] [ 7977.297097][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7977.297097][ T10] netdev_get_by_index+0x5e/0x80 [ 7977.297097][ T10] fib6_nh_init+0x3d8/0x1580 [ 7977.297097][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7977.297097][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7977.297097][ T10] ipv6_add_addr+0x411/0x2000 [ 7977.297097][ T10] inet6_addr_add+0x30e/0xa40 [ 7977.297097][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7977.297097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7977.297097][ T10] netlink_rcv_skb+0x130/0x360 [ 7977.297097][ T10] netlink_unicast+0x449/0x710 [ 7977.297097][ T10] netlink_sendmsg+0x723/0xbe0 [ 7977.297097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7977.297097][ T10] ___sys_sendmsg+0xee/0x170 [ 7977.297097][ T10] __sys_sendmsg+0xcd/0x170 [ 7977.297097][ T10] do_syscall_64+0xc6/0x1e0 [ 7977.297097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7977.297097][ T10] [ 7977.299108][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7977.299108][ T10] netdev_get_by_index+0x5e/0x80 [ 7977.299108][ T10] fib6_nh_init+0x3d8/0x1580 [ 7977.299108][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7977.299108][ T10] ip6_route_add+0x1c/0x140 [ 7977.299108][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7977.299108][ T10] addrconf_add_dev+0xe2/0x170 [ 7977.299108][ T10] inet6_addr_add+0x12f/0xa40 [ 7977.299108][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7977.299108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7977.299108][ T10] netlink_rcv_skb+0x130/0x360 [ 7977.299108][ T10] netlink_unicast+0x449/0x710 [ 7977.299108][ T10] netlink_sendmsg+0x723/0xbe0 [ 7977.299108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7977.299108][ T10] ___sys_sendmsg+0xee/0x170 [ 7977.299108][ T10] __sys_sendmsg+0xcd/0x170 [ 7977.299108][ T10] do_syscall_64+0xc6/0x1e0 [ 7977.299108][ T10] [ 7977.301061][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7977.301061][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7977.301061][ T10] ipv6_find_idev+0x102/0x170 [ 7977.301061][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7977.301061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7977.301061][ T10] netlink_rcv_skb+0x130/0x360 [ 7977.301061][ T10] netlink_unicast+0x449/0x710 [ 7977.301061][ T10] netlink_sendmsg+0x723/0xbe0 [ 7977.301061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7977.301061][ T10] ___sys_sendmsg+0xee/0x170 [ 7977.301061][ T10] __sys_sendmsg+0xcd/0x170 [ 7977.301061][ T10] do_syscall_64+0xc6/0x1e0 [ 7977.301061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7977.301061][ T10] [ 7977.302592][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7977.302592][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7977.302592][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7977.302592][ T10] ipv6_find_idev+0x102/0x170 [ 7977.302592][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7977.302592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7977.302592][ T10] netlink_rcv_skb+0x130/0x360 [ 7977.302592][ T10] netlink_unicast+0x449/0x710 [ 7977.302592][ T10] netlink_sendmsg+0x723/0xbe0 [ 7977.302592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7977.302592][ T10] ___sys_sendmsg+0xee/0x170 [ 7977.302592][ T10] __sys_sendmsg+0xcd/0x170 [ 7977.302592][ T10] do_syscall_64+0xc6/0x1e0 [ 7977.302592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7977.302592][ T10] [ 7977.304272][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7977.304509][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7977.304509][ T10] netdev_get_by_index+0x5e/0x80 [ 7977.304509][ T10] fib6_nh_init+0x3d8/0x1580 [ 7977.304509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7977.304509][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7977.304509][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7977.304509][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7977.304509][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7977.304509][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7977.304509][ T10] addrconf_dad_begin+0x310/0x670 [ 7977.304509][ T10] addrconf_dad_work+0x10b/0xab0 [ 7977.304509][ T10] process_one_work+0x84d/0x18a0 [ 7977.304509][ T10] worker_thread+0x587/0xd30 [ 7977.304509][ T10] kthread+0x28a/0x350 [ 7977.304509][ T10] ret_from_fork+0x31/0x70 [ 7977.304509][ T10] ret_from_fork_asm+0x1a/0x30 [ 7977.304509][ T10] [ 7977.306401][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7977.306401][ T10] netdev_get_by_index+0x5e/0x80 [ 7977.306401][ T10] fib6_nh_init+0x3d8/0x1580 [ 7977.306401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7977.306401][ T10] ip6_route_add+0x1c/0x140 [ 7977.306401][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7977.306401][ T10] inet6_addr_add+0x4f8/0xa40 [ 7977.306401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7977.306401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7977.306401][ T10] netlink_rcv_skb+0x130/0x360 [ 7977.306401][ T10] netlink_unicast+0x449/0x710 [ 7977.306401][ T10] netlink_sendmsg+0x723/0xbe0 [ 7977.306401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7977.306401][ T10] ___sys_sendmsg+0xee/0x170 [ 7977.306401][ T10] __sys_sendmsg+0xcd/0x170 [ 7977.306401][ T10] do_syscall_64+0xc6/0x1e0 [ 7977.306401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7977.306401][ T10] [ 7977.308633][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7977.308633][ T10] netdev_get_by_index+0x5e/0x80 [ 7977.308633][ T10] fib6_nh_init+0x3d8/0x1580 [ 7977.308633][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7977.308633][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7977.308633][ T10] ipv6_add_addr+0x411/0x2000 [ 7977.308633][ T10] inet6_addr_add+0x30e/0xa40 [ 7977.308633][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7977.308633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7977.308633][ T10] netlink_rcv_skb+0x130/0x360 [ 7977.308633][ T10] netlink_unicast+0x449/0x710 [ 7977.308633][ T10] netlink_sendmsg+0x723/0xbe0 [ 7977.308633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7977.308633][ T10] ___sys_sendmsg+0xee/0x170 [ 7977.308633][ T10] __sys_sendmsg+0xcd/0x170 [ 7977.308633][ T10] do_syscall_64+0xc6/0x1e0 [ 7977.308633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7977.308633][ T10] [ 7977.310799][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7977.310799][ T10] netdev_get_by_index+0x5e/0x80 [ 7977.310799][ T10] fib6_nh_init+0x3d8/0x1580 [ 7977.310799][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7977.310799][ T10] ip6_route_add+0x1c/0x140 [ 7977.310799][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7977.310799][ T10] addrconf_add_dev+0xe2/0x170 [ 7977.310799][ T10] inet6_addr_add+0x12f/0xa40 [ 7977.310799][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7977.310799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7977.310799][ T10] netlink_rcv_skb+0x130/0x360 [ 7977.310799][ T10] netlink_unicast+0x449/0x710 [ 7977.310799][ T10] netlink_sendmsg+0x723/0xbe0 [ 7977.310799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7977.310799][ T10] ___sys_sendmsg+0xee/0x170 [ 7977.310799][ T10] __sys_sendmsg+0xcd/0x170 [ 7977.310799][ T10] do_syscall_64+0xc6/0x1e0 [ 7977.310799][ T10] [ 7977.312990][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7977.312990][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7977.312990][ T10] ipv6_find_idev+0x102/0x170 [ 7977.312990][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7977.312990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7977.312990][ T10] netlink_rcv_skb+0x130/0x360 [ 7977.312990][ T10] netlink_unicast+0x449/0x710 [ 7977.312990][ T10] netlink_sendmsg+0x723/0xbe0 [ 7977.312990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7977.312990][ T10] ___sys_sendmsg+0xee/0x170 [ 7977.312990][ T10] __sys_sendmsg+0xcd/0x170 [ 7977.312990][ T10] do_syscall_64+0xc6/0x1e0 [ 7977.312990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7977.312990][ T10] [ 7977.314755][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7977.314755][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7977.314755][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7977.314755][ T10] ipv6_find_idev+0x102/0x170 [ 7977.314755][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7977.314755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7977.314755][ T10] netlink_rcv_skb+0x130/0x360 [ 7977.314755][ T10] netlink_unicast+0x449/0x710 [ 7977.314755][ T10] netlink_sendmsg+0x723/0xbe0 [ 7977.314755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7977.314755][ T10] ___sys_sendmsg+0xee/0x170 [ 7977.314755][ T10] __sys_sendmsg+0xcd/0x170 [ 7977.314755][ T10] do_syscall_64+0xc6/0x1e0 [ 7977.314755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7977.314755][ T10] [ 7977.316601][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7977.316901][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7977.316901][ T10] netdev_get_by_index+0x5e/0x80 [ 7977.316901][ T10] fib6_nh_init+0x3d8/0x1580 [ 7977.316901][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7977.316901][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7977.316901][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7977.316901][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7977.316901][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7977.316901][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7977.316901][ T10] addrconf_dad_begin+0x310/0x670 [ 7977.316901][ T10] addrconf_dad_work+0x10b/0xab0 [ 7977.316901][ T10] process_one_work+0x84d/0x18a0 [ 7977.316901][ T10] worker_thread+0x587/0xd30 [ 7977.316901][ T10] kthread+0x28a/0x350 [ 7977.316901][ T10] ret_from_fork+0x31/0x70 [ 7977.316901][ T10] ret_from_fork_asm+0x1a/0x30 [ 7977.316901][ T10] [ 7977.318908][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7977.318908][ T10] netdev_get_by_index+0x5e/0x80 [ 7977.318908][ T10] fib6_nh_init+0x3d8/0x1580 [ 7977.318908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7977.318908][ T10] ip6_route_add+0x1c/0x140 [ 7977.318908][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7977.318908][ T10] inet6_addr_add+0x4f8/0xa40 [ 7977.318908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7977.318908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7977.318908][ T10] netlink_rcv_skb+0x130/0x360 [ 7977.318908][ T10] netlink_unicast+0x449/0x710 [ 7977.318908][ T10] netlink_sendmsg+0x723/0xbe0 [ 7977.318908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7977.318908][ T10] ___sys_sendmsg+0xee/0x170 [ 7977.318908][ T10] __sys_sendmsg+0xcd/0x170 [ 7977.318908][ T10] do_syscall_64+0xc6/0x1e0 [ 7977.318908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7977.318908][ T10] [ 7977.321140][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7977.321140][ T10] netdev_get_by_index+0x5e/0x80 [ 7977.321140][ T10] fib6_nh_init+0x3d8/0x1580 [ 7977.321140][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7977.321140][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7977.321140][ T10] ipv6_add_addr+0x411/0x2000 [ 7977.321140][ T10] inet6_addr_add+0x30e/0xa40 [ 7977.321140][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7977.321140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7977.321140][ T10] netlink_rcv_skb+0x130/0x360 [ 7977.321140][ T10] netlink_unicast+0x449/0x710 [ 7977.321140][ T10] netlink_sendmsg+0x723/0xbe0 [ 7977.321140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7977.321140][ T10] ___sys_sendmsg+0xee/0x170 [ 7977.321140][ T10] __sys_sendmsg+0xcd/0x170 [ 7977.321140][ T10] do_syscall_64+0xc6/0x1e0 [ 7977.321140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7977.321140][ T10] [ 7977.323442][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7977.323442][ T10] netdev_get_by_index+0x5e/0x80 [ 7977.323442][ T10] fib6_nh_init+0x3d8/0x1580 [ 7977.323442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7977.323442][ T10] ip6_route_add+0x1c/0x140 [ 7977.323442][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7977.323442][ T10] addrconf_add_dev+0xe2/0x170 [ 7977.323442][ T10] inet6_addr_add+0x12f/0xa40 [ 7977.323442][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7977.323442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7977.323442][ T10] netlink_rcv_skb+0x130/0x360 [ 7977.323442][ T10] netlink_unicast+0x449/0x710 [ 7977.323442][ T10] netlink_sendmsg+0x723/0xbe0 [ 7977.323442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7977.323442][ T10] ___sys_sendmsg+0xee/0x170 [ 7977.323442][ T10] __sys_sendmsg+0xcd/0x170 [ 7977.323442][ T10] do_syscall_64+0xc6/0x1e0 [ 7977.323442][ T10] [ 7977.325638][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7977.325638][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7977.325638][ T10] ipv6_find_idev+0x102/0x170 [ 7977.325638][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7977.325638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7977.325638][ T10] netlink_rcv_skb+0x130/0x360 [ 7977.325638][ T10] netlink_unicast+0x449/0x710 [ 7977.325638][ T10] netlink_sendmsg+0x723/0xbe0 [ 7977.325638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7977.325638][ T10] ___sys_sendmsg+0xee/0x170 [ 7977.325638][ T10] __sys_sendmsg+0xcd/0x170 [ 7977.325638][ T10] do_syscall_64+0xc6/0x1e0 [ 7977.325638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7977.325638][ T10] [ 7977.327348][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7977.327348][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7977.327348][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7977.327348][ T10] ipv6_find_idev+0x102/0x170 [ 7977.327348][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7977.327348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7977.327348][ T10] netlink_rcv_skb+0x130/0x360 [ 7977.327348][ T10] netlink_unicast+0x449/0x710 [ 7977.327348][ T10] netlink_sendmsg+0x723/0xbe0 [ 7977.327348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7977.327348][ T10] ___sys_sendmsg+0xee/0x170 [ 7977.327348][ T10] __sys_sendmsg+0xcd/0x170 [ 7977.327348][ T10] do_syscall_64+0xc6/0x1e0 [ 7977.327348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7977.327348][ T10] [ 7977.753134][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7977.753546][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7977.753546][ T1167] dst_init+0x84/0x4a0 [ 7977.753546][ T1167] dst_alloc+0x97/0x150 [ 7977.753546][ T1167] ip6_dst_alloc+0x23/0x90 [ 7977.753546][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7977.753546][ T1167] ip6_pol_route+0x56f/0x840 [ 7977.753546][ T1167] fib6_rule_lookup+0x334/0x630 [ 7977.753546][ T1167] ip6_route_output_flags+0x259/0x480 [ 7977.753546][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7977.753546][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7977.753546][ T1167] netlink_rcv_skb+0x130/0x360 [ 7977.753546][ T1167] netlink_unicast+0x449/0x710 [ 7977.753546][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7977.753546][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7977.753546][ T1167] ___sys_sendmsg+0xee/0x170 [ 7977.753546][ T1167] __sys_sendmsg+0xcd/0x170 [ 7977.753546][ T1167] do_syscall_64+0xc6/0x1e0 [ 7977.753546][ T1167] [ 7977.755766][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7977.755766][ T1167] netdev_get_by_index+0x5e/0x80 [ 7977.755766][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7977.755766][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7977.755766][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7977.755766][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7977.755766][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7977.755766][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7977.755766][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7977.755766][ T1167] addrconf_dad_begin+0x310/0x670 [ 7977.755766][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7977.755766][ T1167] process_one_work+0x84d/0x18a0 [ 7977.755766][ T1167] worker_thread+0x587/0xd30 [ 7977.755766][ T1167] kthread+0x28a/0x350 [ 7977.755766][ T1167] ret_from_fork+0x31/0x70 [ 7977.755766][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7977.755766][ T1167] [ 7977.757919][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7977.757919][ T1167] netdev_get_by_index+0x5e/0x80 [ 7977.757919][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7977.757919][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7977.757919][ T1167] ip6_route_add+0x1c/0x140 [ 7977.757919][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7977.757919][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7977.757919][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7977.757919][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7977.757919][ T1167] netlink_rcv_skb+0x130/0x360 [ 7977.757919][ T1167] netlink_unicast+0x449/0x710 [ 7977.757919][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7977.757919][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7977.757919][ T1167] ___sys_sendmsg+0xee/0x170 [ 7977.757919][ T1167] __sys_sendmsg+0xcd/0x170 [ 7977.757919][ T1167] do_syscall_64+0xc6/0x1e0 [ 7977.757919][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7977.757919][ T1167] [ 7977.760178][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7977.760178][ T1167] netdev_get_by_index+0x5e/0x80 [ 7977.760178][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7977.760178][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7977.760178][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7977.760178][ T1167] ipv6_add_addr+0x411/0x2000 [ 7977.760178][ T1167] inet6_addr_add+0x30e/0xa40 [ 7977.760178][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7977.760178][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7977.760178][ T1167] netlink_rcv_skb+0x130/0x360 [ 7977.760178][ T1167] netlink_unicast+0x449/0x710 [ 7977.760178][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7977.760178][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7977.760178][ T1167] ___sys_sendmsg+0xee/0x170 [ 7977.760178][ T1167] __sys_sendmsg+0xcd/0x170 [ 7977.760178][ T1167] do_syscall_64+0xc6/0x1e0 [ 7977.760178][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7977.760178][ T1167] [ 7977.762473][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7977.762473][ T1167] netdev_get_by_index+0x5e/0x80 [ 7977.762473][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7977.762473][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7977.762473][ T1167] ip6_route_add+0x1c/0x140 [ 7977.762473][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7977.762473][ T1167] addrconf_add_dev+0xe2/0x170 [ 7977.762473][ T1167] inet6_addr_add+0x12f/0xa40 [ 7977.762473][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7977.762473][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7977.762473][ T1167] netlink_rcv_skb+0x130/0x360 [ 7977.762473][ T1167] netlink_unicast+0x449/0x710 [ 7977.762473][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7977.762473][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7977.762473][ T1167] ___sys_sendmsg+0xee/0x170 [ 7977.762473][ T1167] __sys_sendmsg+0xcd/0x170 [ 7977.762473][ T1167] do_syscall_64+0xc6/0x1e0 [ 7977.762473][ T1167] [ 7977.764656][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7977.764656][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7977.764656][ T1167] ipv6_find_idev+0x102/0x170 [ 7977.764656][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7977.764656][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7977.764656][ T1167] netlink_rcv_skb+0x130/0x360 [ 7977.764656][ T1167] netlink_unicast+0x449/0x710 [ 7977.764656][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7977.764656][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7977.764656][ T1167] ___sys_sendmsg+0xee/0x170 [ 7977.764656][ T1167] __sys_sendmsg+0xcd/0x170 [ 7977.764656][ T1167] do_syscall_64+0xc6/0x1e0 [ 7977.764656][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7977.764656][ T1167] [ 7977.766355][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7977.766355][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7977.766355][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7977.766355][ T1167] ipv6_find_idev+0x102/0x170 [ 7977.766355][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7977.766355][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7977.766355][ T1167] netlink_rcv_skb+0x130/0x360 [ 7977.766355][ T1167] netlink_unicast+0x449/0x710 [ 7977.766355][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7977.766355][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7977.766355][ T1167] ___sys_sendmsg+0xee/0x170 [ 7977.766355][ T1167] __sys_sendmsg+0xcd/0x170 [ 7977.766355][ T1167] do_syscall_64+0xc6/0x1e0 [ 7977.766355][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7977.766355][ T1167] [ 7987.393120][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7987.393482][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7987.393482][ T10] netdev_get_by_index+0x5e/0x80 [ 7987.393482][ T10] fib6_nh_init+0x3d8/0x1580 [ 7987.393482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7987.393482][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7987.393482][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7987.393482][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7987.393482][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7987.393482][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7987.393482][ T10] addrconf_dad_begin+0x310/0x670 [ 7987.393482][ T10] addrconf_dad_work+0x10b/0xab0 [ 7987.393482][ T10] process_one_work+0x84d/0x18a0 [ 7987.393482][ T10] worker_thread+0x587/0xd30 [ 7987.393482][ T10] kthread+0x28a/0x350 [ 7987.393482][ T10] ret_from_fork+0x31/0x70 [ 7987.393482][ T10] ret_from_fork_asm+0x1a/0x30 [ 7987.393482][ T10] [ 7987.395399][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7987.395399][ T10] netdev_get_by_index+0x5e/0x80 [ 7987.395399][ T10] fib6_nh_init+0x3d8/0x1580 [ 7987.395399][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7987.395399][ T10] ip6_route_add+0x1c/0x140 [ 7987.395399][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7987.395399][ T10] inet6_addr_add+0x4f8/0xa40 [ 7987.395399][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7987.395399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7987.395399][ T10] netlink_rcv_skb+0x130/0x360 [ 7987.395399][ T10] netlink_unicast+0x449/0x710 [ 7987.395399][ T10] netlink_sendmsg+0x723/0xbe0 [ 7987.395399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7987.395399][ T10] ___sys_sendmsg+0xee/0x170 [ 7987.395399][ T10] __sys_sendmsg+0xcd/0x170 [ 7987.395399][ T10] do_syscall_64+0xc6/0x1e0 [ 7987.395399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7987.395399][ T10] [ 7987.397393][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7987.397393][ T10] netdev_get_by_index+0x5e/0x80 [ 7987.397393][ T10] fib6_nh_init+0x3d8/0x1580 [ 7987.397393][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7987.397393][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7987.397393][ T10] ipv6_add_addr+0x411/0x2000 [ 7987.397393][ T10] inet6_addr_add+0x30e/0xa40 [ 7987.397393][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7987.397393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7987.397393][ T10] netlink_rcv_skb+0x130/0x360 [ 7987.397393][ T10] netlink_unicast+0x449/0x710 [ 7987.397393][ T10] netlink_sendmsg+0x723/0xbe0 [ 7987.397393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7987.397393][ T10] ___sys_sendmsg+0xee/0x170 [ 7987.397393][ T10] __sys_sendmsg+0xcd/0x170 [ 7987.397393][ T10] do_syscall_64+0xc6/0x1e0 [ 7987.397393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7987.397393][ T10] [ 7987.399377][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7987.399377][ T10] netdev_get_by_index+0x5e/0x80 [ 7987.399377][ T10] fib6_nh_init+0x3d8/0x1580 [ 7987.399377][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7987.399377][ T10] ip6_route_add+0x1c/0x140 [ 7987.399377][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7987.399377][ T10] addrconf_add_dev+0xe2/0x170 [ 7987.399377][ T10] inet6_addr_add+0x12f/0xa40 [ 7987.399377][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7987.399377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7987.399377][ T10] netlink_rcv_skb+0x130/0x360 [ 7987.399377][ T10] netlink_unicast+0x449/0x710 [ 7987.399377][ T10] netlink_sendmsg+0x723/0xbe0 [ 7987.399377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7987.399377][ T10] ___sys_sendmsg+0xee/0x170 [ 7987.399377][ T10] __sys_sendmsg+0xcd/0x170 [ 7987.399377][ T10] do_syscall_64+0xc6/0x1e0 [ 7987.399377][ T10] [ 7987.401333][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7987.401333][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7987.401333][ T10] ipv6_find_idev+0x102/0x170 [ 7987.401333][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7987.401333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7987.401333][ T10] netlink_rcv_skb+0x130/0x360 [ 7987.401333][ T10] netlink_unicast+0x449/0x710 [ 7987.401333][ T10] netlink_sendmsg+0x723/0xbe0 [ 7987.401333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7987.401333][ T10] ___sys_sendmsg+0xee/0x170 [ 7987.401333][ T10] __sys_sendmsg+0xcd/0x170 [ 7987.401333][ T10] do_syscall_64+0xc6/0x1e0 [ 7987.401333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7987.401333][ T10] [ 7987.402863][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7987.402863][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7987.402863][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7987.402863][ T10] ipv6_find_idev+0x102/0x170 [ 7987.402863][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7987.402863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7987.402863][ T10] netlink_rcv_skb+0x130/0x360 [ 7987.402863][ T10] netlink_unicast+0x449/0x710 [ 7987.402863][ T10] netlink_sendmsg+0x723/0xbe0 [ 7987.402863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7987.402863][ T10] ___sys_sendmsg+0xee/0x170 [ 7987.402863][ T10] __sys_sendmsg+0xcd/0x170 [ 7987.402863][ T10] do_syscall_64+0xc6/0x1e0 [ 7987.402863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7987.402863][ T10] [ 7987.404536][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7987.404778][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7987.404778][ T10] netdev_get_by_index+0x5e/0x80 [ 7987.404778][ T10] fib6_nh_init+0x3d8/0x1580 [ 7987.404778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7987.404778][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7987.404778][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7987.404778][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7987.404778][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7987.404778][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7987.404778][ T10] addrconf_dad_begin+0x310/0x670 [ 7987.404778][ T10] addrconf_dad_work+0x10b/0xab0 [ 7987.404778][ T10] process_one_work+0x84d/0x18a0 [ 7987.404778][ T10] worker_thread+0x587/0xd30 [ 7987.404778][ T10] kthread+0x28a/0x350 [ 7987.404778][ T10] ret_from_fork+0x31/0x70 [ 7987.404778][ T10] ret_from_fork_asm+0x1a/0x30 [ 7987.404778][ T10] [ 7987.406667][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7987.406667][ T10] netdev_get_by_index+0x5e/0x80 [ 7987.406667][ T10] fib6_nh_init+0x3d8/0x1580 [ 7987.406667][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7987.406667][ T10] ip6_route_add+0x1c/0x140 [ 7987.406667][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7987.406667][ T10] inet6_addr_add+0x4f8/0xa40 [ 7987.406667][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7987.406667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7987.406667][ T10] netlink_rcv_skb+0x130/0x360 [ 7987.406667][ T10] netlink_unicast+0x449/0x710 [ 7987.406667][ T10] netlink_sendmsg+0x723/0xbe0 [ 7987.406667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7987.406667][ T10] ___sys_sendmsg+0xee/0x170 [ 7987.406667][ T10] __sys_sendmsg+0xcd/0x170 [ 7987.406667][ T10] do_syscall_64+0xc6/0x1e0 [ 7987.406667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7987.406667][ T10] [ 7987.408644][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7987.408644][ T10] netdev_get_by_index+0x5e/0x80 [ 7987.408644][ T10] fib6_nh_init+0x3d8/0x1580 [ 7987.408644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7987.408644][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7987.408644][ T10] ipv6_add_addr+0x411/0x2000 [ 7987.408644][ T10] inet6_addr_add+0x30e/0xa40 [ 7987.408644][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7987.408644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7987.408644][ T10] netlink_rcv_skb+0x130/0x360 [ 7987.408644][ T10] netlink_unicast+0x449/0x710 [ 7987.408644][ T10] netlink_sendmsg+0x723/0xbe0 [ 7987.408644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7987.408644][ T10] ___sys_sendmsg+0xee/0x170 [ 7987.408644][ T10] __sys_sendmsg+0xcd/0x170 [ 7987.408644][ T10] do_syscall_64+0xc6/0x1e0 [ 7987.408644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7987.408644][ T10] [ 7987.410648][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7987.410648][ T10] netdev_get_by_index+0x5e/0x80 [ 7987.410648][ T10] fib6_nh_init+0x3d8/0x1580 [ 7987.410648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7987.410648][ T10] ip6_route_add+0x1c/0x140 [ 7987.410648][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7987.410648][ T10] addrconf_add_dev+0xe2/0x170 [ 7987.410648][ T10] inet6_addr_add+0x12f/0xa40 [ 7987.410648][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7987.410648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7987.410648][ T10] netlink_rcv_skb+0x130/0x360 [ 7987.410648][ T10] netlink_unicast+0x449/0x710 [ 7987.410648][ T10] netlink_sendmsg+0x723/0xbe0 [ 7987.410648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7987.410648][ T10] ___sys_sendmsg+0xee/0x170 [ 7987.410648][ T10] __sys_sendmsg+0xcd/0x170 [ 7987.410648][ T10] do_syscall_64+0xc6/0x1e0 [ 7987.410648][ T10] [ 7987.412594][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7987.412594][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7987.412594][ T10] ipv6_find_idev+0x102/0x170 [ 7987.412594][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7987.412594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7987.412594][ T10] netlink_rcv_skb+0x130/0x360 [ 7987.412594][ T10] netlink_unicast+0x449/0x710 [ 7987.412594][ T10] netlink_sendmsg+0x723/0xbe0 [ 7987.412594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7987.412594][ T10] ___sys_sendmsg+0xee/0x170 [ 7987.412594][ T10] __sys_sendmsg+0xcd/0x170 [ 7987.412594][ T10] do_syscall_64+0xc6/0x1e0 [ 7987.412594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7987.412594][ T10] [ 7987.414120][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7987.414120][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7987.414120][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7987.414120][ T10] ipv6_find_idev+0x102/0x170 [ 7987.414120][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7987.414120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7987.414120][ T10] netlink_rcv_skb+0x130/0x360 [ 7987.414120][ T10] netlink_unicast+0x449/0x710 [ 7987.414120][ T10] netlink_sendmsg+0x723/0xbe0 [ 7987.414120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7987.414120][ T10] ___sys_sendmsg+0xee/0x170 [ 7987.414120][ T10] __sys_sendmsg+0xcd/0x170 [ 7987.414120][ T10] do_syscall_64+0xc6/0x1e0 [ 7987.414120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7987.414120][ T10] [ 7987.415793][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7987.416033][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7987.416033][ T10] netdev_get_by_index+0x5e/0x80 [ 7987.416033][ T10] fib6_nh_init+0x3d8/0x1580 [ 7987.416033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7987.416033][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7987.416033][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7987.416033][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7987.416033][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7987.416033][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7987.416033][ T10] addrconf_dad_begin+0x310/0x670 [ 7987.416033][ T10] addrconf_dad_work+0x10b/0xab0 [ 7987.416033][ T10] process_one_work+0x84d/0x18a0 [ 7987.416033][ T10] worker_thread+0x587/0xd30 [ 7987.416033][ T10] kthread+0x28a/0x350 [ 7987.416033][ T10] ret_from_fork+0x31/0x70 [ 7987.416033][ T10] ret_from_fork_asm+0x1a/0x30 [ 7987.416033][ T10] [ 7987.417932][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7987.417932][ T10] netdev_get_by_index+0x5e/0x80 [ 7987.417932][ T10] fib6_nh_init+0x3d8/0x1580 [ 7987.417932][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7987.417932][ T10] ip6_route_add+0x1c/0x140 [ 7987.417932][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7987.417932][ T10] inet6_addr_add+0x4f8/0xa40 [ 7987.417932][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7987.417932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7987.417932][ T10] netlink_rcv_skb+0x130/0x360 [ 7987.417932][ T10] netlink_unicast+0x449/0x710 [ 7987.417932][ T10] netlink_sendmsg+0x723/0xbe0 [ 7987.417932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7987.417932][ T10] ___sys_sendmsg+0xee/0x170 [ 7987.417932][ T10] __sys_sendmsg+0xcd/0x170 [ 7987.417932][ T10] do_syscall_64+0xc6/0x1e0 [ 7987.417932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7987.417932][ T10] [ 7987.420163][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7987.420163][ T10] netdev_get_by_index+0x5e/0x80 [ 7987.420163][ T10] fib6_nh_init+0x3d8/0x1580 [ 7987.420163][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7987.420163][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7987.420163][ T10] ipv6_add_addr+0x411/0x2000 [ 7987.420163][ T10] inet6_addr_add+0x30e/0xa40 [ 7987.420163][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7987.420163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7987.420163][ T10] netlink_rcv_skb+0x130/0x360 [ 7987.420163][ T10] netlink_unicast+0x449/0x710 [ 7987.420163][ T10] netlink_sendmsg+0x723/0xbe0 [ 7987.420163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7987.420163][ T10] ___sys_sendmsg+0xee/0x170 [ 7987.420163][ T10] __sys_sendmsg+0xcd/0x170 [ 7987.420163][ T10] do_syscall_64+0xc6/0x1e0 [ 7987.420163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7987.420163][ T10] [ 7987.422327][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7987.422327][ T10] netdev_get_by_index+0x5e/0x80 [ 7987.422327][ T10] fib6_nh_init+0x3d8/0x1580 [ 7987.422327][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7987.422327][ T10] ip6_route_add+0x1c/0x140 [ 7987.422327][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7987.422327][ T10] addrconf_add_dev+0xe2/0x170 [ 7987.422327][ T10] inet6_addr_add+0x12f/0xa40 [ 7987.422327][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7987.422327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7987.422327][ T10] netlink_rcv_skb+0x130/0x360 [ 7987.422327][ T10] netlink_unicast+0x449/0x710 [ 7987.422327][ T10] netlink_sendmsg+0x723/0xbe0 [ 7987.422327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7987.422327][ T10] ___sys_sendmsg+0xee/0x170 [ 7987.422327][ T10] __sys_sendmsg+0xcd/0x170 [ 7987.422327][ T10] do_syscall_64+0xc6/0x1e0 [ 7987.422327][ T10] [ 7987.424571][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7987.424571][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7987.424571][ T10] ipv6_find_idev+0x102/0x170 [ 7987.424571][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7987.424571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7987.424571][ T10] netlink_rcv_skb+0x130/0x360 [ 7987.424571][ T10] netlink_unicast+0x449/0x710 [ 7987.424571][ T10] netlink_sendmsg+0x723/0xbe0 [ 7987.424571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7987.424571][ T10] ___sys_sendmsg+0xee/0x170 [ 7987.424571][ T10] __sys_sendmsg+0xcd/0x170 [ 7987.424571][ T10] do_syscall_64+0xc6/0x1e0 [ 7987.424571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7987.424571][ T10] [ 7987.426274][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7987.426274][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7987.426274][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7987.426274][ T10] ipv6_find_idev+0x102/0x170 [ 7987.426274][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7987.426274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7987.426274][ T10] netlink_rcv_skb+0x130/0x360 [ 7987.426274][ T10] netlink_unicast+0x449/0x710 [ 7987.426274][ T10] netlink_sendmsg+0x723/0xbe0 [ 7987.426274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7987.426274][ T10] ___sys_sendmsg+0xee/0x170 [ 7987.426274][ T10] __sys_sendmsg+0xcd/0x170 [ 7987.426274][ T10] do_syscall_64+0xc6/0x1e0 [ 7987.426274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7987.426274][ T10] [ 7987.428118][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7987.428421][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7987.428421][ T10] netdev_get_by_index+0x5e/0x80 [ 7987.428421][ T10] fib6_nh_init+0x3d8/0x1580 [ 7987.428421][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7987.428421][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7987.428421][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7987.428421][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7987.428421][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7987.428421][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7987.428421][ T10] addrconf_dad_begin+0x310/0x670 [ 7987.428421][ T10] addrconf_dad_work+0x10b/0xab0 [ 7987.428421][ T10] process_one_work+0x84d/0x18a0 [ 7987.428421][ T10] worker_thread+0x587/0xd30 [ 7987.428421][ T10] kthread+0x28a/0x350 [ 7987.428421][ T10] ret_from_fork+0x31/0x70 [ 7987.428421][ T10] ret_from_fork_asm+0x1a/0x30 [ 7987.428421][ T10] [ 7987.430426][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7987.430426][ T10] netdev_get_by_index+0x5e/0x80 [ 7987.430426][ T10] fib6_nh_init+0x3d8/0x1580 [ 7987.430426][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7987.430426][ T10] ip6_route_add+0x1c/0x140 [ 7987.430426][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7987.430426][ T10] inet6_addr_add+0x4f8/0xa40 [ 7987.430426][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7987.430426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7987.430426][ T10] netlink_rcv_skb+0x130/0x360 [ 7987.430426][ T10] netlink_unicast+0x449/0x710 [ 7987.430426][ T10] netlink_sendmsg+0x723/0xbe0 [ 7987.430426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7987.430426][ T10] ___sys_sendmsg+0xee/0x170 [ 7987.430426][ T10] __sys_sendmsg+0xcd/0x170 [ 7987.430426][ T10] do_syscall_64+0xc6/0x1e0 [ 7987.430426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7987.430426][ T10] [ 7987.432723][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7987.432723][ T10] netdev_get_by_index+0x5e/0x80 [ 7987.432723][ T10] fib6_nh_init+0x3d8/0x1580 [ 7987.432723][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7987.432723][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7987.432723][ T10] ipv6_add_addr+0x411/0x2000 [ 7987.432723][ T10] inet6_addr_add+0x30e/0xa40 [ 7987.432723][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7987.432723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7987.432723][ T10] netlink_rcv_skb+0x130/0x360 [ 7987.432723][ T10] netlink_unicast+0x449/0x710 [ 7987.432723][ T10] netlink_sendmsg+0x723/0xbe0 [ 7987.432723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7987.432723][ T10] ___sys_sendmsg+0xee/0x170 [ 7987.432723][ T10] __sys_sendmsg+0xcd/0x170 [ 7987.432723][ T10] do_syscall_64+0xc6/0x1e0 [ 7987.432723][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7987.432723][ T10] [ 7987.434938][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7987.434938][ T10] netdev_get_by_index+0x5e/0x80 [ 7987.434938][ T10] fib6_nh_init+0x3d8/0x1580 [ 7987.434938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7987.434938][ T10] ip6_route_add+0x1c/0x140 [ 7987.434938][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7987.434938][ T10] addrconf_add_dev+0xe2/0x170 [ 7987.434938][ T10] inet6_addr_add+0x12f/0xa40 [ 7987.434938][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7987.434938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7987.434938][ T10] netlink_rcv_skb+0x130/0x360 [ 7987.434938][ T10] netlink_unicast+0x449/0x710 [ 7987.434938][ T10] netlink_sendmsg+0x723/0xbe0 [ 7987.434938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7987.434938][ T10] ___sys_sendmsg+0xee/0x170 [ 7987.434938][ T10] __sys_sendmsg+0xcd/0x170 [ 7987.434938][ T10] do_syscall_64+0xc6/0x1e0 [ 7987.434938][ T10] [ 7987.437124][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7987.437124][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7987.437124][ T10] ipv6_find_idev+0x102/0x170 [ 7987.437124][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7987.437124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7987.437124][ T10] netlink_rcv_skb+0x130/0x360 [ 7987.437124][ T10] netlink_unicast+0x449/0x710 [ 7987.437124][ T10] netlink_sendmsg+0x723/0xbe0 [ 7987.437124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7987.437124][ T10] ___sys_sendmsg+0xee/0x170 [ 7987.437124][ T10] __sys_sendmsg+0xcd/0x170 [ 7987.437124][ T10] do_syscall_64+0xc6/0x1e0 [ 7987.437124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7987.437124][ T10] [ 7987.438830][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7987.438830][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7987.438830][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7987.438830][ T10] ipv6_find_idev+0x102/0x170 [ 7987.438830][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7987.438830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7987.438830][ T10] netlink_rcv_skb+0x130/0x360 [ 7987.438830][ T10] netlink_unicast+0x449/0x710 [ 7987.438830][ T10] netlink_sendmsg+0x723/0xbe0 [ 7987.438830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7987.438830][ T10] ___sys_sendmsg+0xee/0x170 [ 7987.438830][ T10] __sys_sendmsg+0xcd/0x170 [ 7987.438830][ T10] do_syscall_64+0xc6/0x1e0 [ 7987.438830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7987.438830][ T10] [ 7988.017106][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7988.017540][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7988.017540][ T1167] dst_init+0x84/0x4a0 [ 7988.017540][ T1167] dst_alloc+0x97/0x150 [ 7988.017540][ T1167] ip6_dst_alloc+0x23/0x90 [ 7988.017540][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7988.017540][ T1167] ip6_pol_route+0x56f/0x840 [ 7988.017540][ T1167] fib6_rule_lookup+0x334/0x630 [ 7988.017540][ T1167] ip6_route_output_flags+0x259/0x480 [ 7988.017540][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7988.017540][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7988.017540][ T1167] netlink_rcv_skb+0x130/0x360 [ 7988.017540][ T1167] netlink_unicast+0x449/0x710 [ 7988.017540][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7988.017540][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7988.017540][ T1167] ___sys_sendmsg+0xee/0x170 [ 7988.017540][ T1167] __sys_sendmsg+0xcd/0x170 [ 7988.017540][ T1167] do_syscall_64+0xc6/0x1e0 [ 7988.017540][ T1167] [ 7988.019749][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7988.019749][ T1167] netdev_get_by_index+0x5e/0x80 [ 7988.019749][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7988.019749][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7988.019749][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7988.019749][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7988.019749][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7988.019749][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7988.019749][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7988.019749][ T1167] addrconf_dad_begin+0x310/0x670 [ 7988.019749][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7988.019749][ T1167] process_one_work+0x84d/0x18a0 [ 7988.019749][ T1167] worker_thread+0x587/0xd30 [ 7988.019749][ T1167] kthread+0x28a/0x350 [ 7988.019749][ T1167] ret_from_fork+0x31/0x70 [ 7988.019749][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7988.019749][ T1167] [ 7988.021925][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7988.021925][ T1167] netdev_get_by_index+0x5e/0x80 [ 7988.021925][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7988.021925][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7988.021925][ T1167] ip6_route_add+0x1c/0x140 [ 7988.021925][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7988.021925][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7988.021925][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7988.021925][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7988.021925][ T1167] netlink_rcv_skb+0x130/0x360 [ 7988.021925][ T1167] netlink_unicast+0x449/0x710 [ 7988.021925][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7988.021925][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7988.021925][ T1167] ___sys_sendmsg+0xee/0x170 [ 7988.021925][ T1167] __sys_sendmsg+0xcd/0x170 [ 7988.021925][ T1167] do_syscall_64+0xc6/0x1e0 [ 7988.021925][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7988.021925][ T1167] [ 7988.024144][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7988.024144][ T1167] netdev_get_by_index+0x5e/0x80 [ 7988.024144][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7988.024144][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7988.024144][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7988.024144][ T1167] ipv6_add_addr+0x411/0x2000 [ 7988.024144][ T1167] inet6_addr_add+0x30e/0xa40 [ 7988.024144][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7988.024144][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7988.024144][ T1167] netlink_rcv_skb+0x130/0x360 [ 7988.024144][ T1167] netlink_unicast+0x449/0x710 [ 7988.024144][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7988.024144][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7988.024144][ T1167] ___sys_sendmsg+0xee/0x170 [ 7988.024144][ T1167] __sys_sendmsg+0xcd/0x170 [ 7988.024144][ T1167] do_syscall_64+0xc6/0x1e0 [ 7988.024144][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7988.024144][ T1167] [ 7988.026437][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7988.026437][ T1167] netdev_get_by_index+0x5e/0x80 [ 7988.026437][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7988.026437][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7988.026437][ T1167] ip6_route_add+0x1c/0x140 [ 7988.026437][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7988.026437][ T1167] addrconf_add_dev+0xe2/0x170 [ 7988.026437][ T1167] inet6_addr_add+0x12f/0xa40 [ 7988.026437][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7988.026437][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7988.026437][ T1167] netlink_rcv_skb+0x130/0x360 [ 7988.026437][ T1167] netlink_unicast+0x449/0x710 [ 7988.026437][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7988.026437][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7988.026437][ T1167] ___sys_sendmsg+0xee/0x170 [ 7988.026437][ T1167] __sys_sendmsg+0xcd/0x170 [ 7988.026437][ T1167] do_syscall_64+0xc6/0x1e0 [ 7988.026437][ T1167] [ 7988.028665][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7988.028665][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7988.028665][ T1167] ipv6_find_idev+0x102/0x170 [ 7988.028665][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7988.028665][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7988.028665][ T1167] netlink_rcv_skb+0x130/0x360 [ 7988.028665][ T1167] netlink_unicast+0x449/0x710 [ 7988.028665][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7988.028665][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7988.028665][ T1167] ___sys_sendmsg+0xee/0x170 [ 7988.028665][ T1167] __sys_sendmsg+0xcd/0x170 [ 7988.028665][ T1167] do_syscall_64+0xc6/0x1e0 [ 7988.028665][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7988.028665][ T1167] [ 7988.030421][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7988.030421][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7988.030421][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7988.030421][ T1167] ipv6_find_idev+0x102/0x170 [ 7988.030421][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7988.030421][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7988.030421][ T1167] netlink_rcv_skb+0x130/0x360 [ 7988.030421][ T1167] netlink_unicast+0x449/0x710 [ 7988.030421][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7988.030421][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7988.030421][ T1167] ___sys_sendmsg+0xee/0x170 [ 7988.030421][ T1167] __sys_sendmsg+0xcd/0x170 [ 7988.030421][ T1167] do_syscall_64+0xc6/0x1e0 [ 7988.030421][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7988.030421][ T1167] [ 7997.513130][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 7997.513534][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7997.513534][ T10] netdev_get_by_index+0x5e/0x80 [ 7997.513534][ T10] fib6_nh_init+0x3d8/0x1580 [ 7997.513534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7997.513534][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7997.513534][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7997.513534][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7997.513534][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7997.513534][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7997.513534][ T10] addrconf_dad_begin+0x310/0x670 [ 7997.513534][ T10] addrconf_dad_work+0x10b/0xab0 [ 7997.513534][ T10] process_one_work+0x84d/0x18a0 [ 7997.513534][ T10] worker_thread+0x587/0xd30 [ 7997.513534][ T10] kthread+0x28a/0x350 [ 7997.513534][ T10] ret_from_fork+0x31/0x70 [ 7997.513534][ T10] ret_from_fork_asm+0x1a/0x30 [ 7997.513534][ T10] [ 7997.515456][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7997.515456][ T10] netdev_get_by_index+0x5e/0x80 [ 7997.515456][ T10] fib6_nh_init+0x3d8/0x1580 [ 7997.515456][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7997.515456][ T10] ip6_route_add+0x1c/0x140 [ 7997.515456][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7997.515456][ T10] inet6_addr_add+0x4f8/0xa40 [ 7997.515456][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7997.515456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7997.515456][ T10] netlink_rcv_skb+0x130/0x360 [ 7997.515456][ T10] netlink_unicast+0x449/0x710 [ 7997.515456][ T10] netlink_sendmsg+0x723/0xbe0 [ 7997.515456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7997.515456][ T10] ___sys_sendmsg+0xee/0x170 [ 7997.515456][ T10] __sys_sendmsg+0xcd/0x170 [ 7997.515456][ T10] do_syscall_64+0xc6/0x1e0 [ 7997.515456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7997.515456][ T10] [ 7997.517579][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7997.517579][ T10] netdev_get_by_index+0x5e/0x80 [ 7997.517579][ T10] fib6_nh_init+0x3d8/0x1580 [ 7997.517579][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7997.517579][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7997.517579][ T10] ipv6_add_addr+0x411/0x2000 [ 7997.517579][ T10] inet6_addr_add+0x30e/0xa40 [ 7997.517579][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7997.517579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7997.517579][ T10] netlink_rcv_skb+0x130/0x360 [ 7997.517579][ T10] netlink_unicast+0x449/0x710 [ 7997.517579][ T10] netlink_sendmsg+0x723/0xbe0 [ 7997.517579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7997.517579][ T10] ___sys_sendmsg+0xee/0x170 [ 7997.517579][ T10] __sys_sendmsg+0xcd/0x170 [ 7997.517579][ T10] do_syscall_64+0xc6/0x1e0 [ 7997.517579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7997.517579][ T10] [ 7997.519572][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7997.519572][ T10] netdev_get_by_index+0x5e/0x80 [ 7997.519572][ T10] fib6_nh_init+0x3d8/0x1580 [ 7997.519572][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7997.519572][ T10] ip6_route_add+0x1c/0x140 [ 7997.519572][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7997.519572][ T10] addrconf_add_dev+0xe2/0x170 [ 7997.519572][ T10] inet6_addr_add+0x12f/0xa40 [ 7997.519572][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7997.519572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7997.519572][ T10] netlink_rcv_skb+0x130/0x360 [ 7997.519572][ T10] netlink_unicast+0x449/0x710 [ 7997.519572][ T10] netlink_sendmsg+0x723/0xbe0 [ 7997.519572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7997.519572][ T10] ___sys_sendmsg+0xee/0x170 [ 7997.519572][ T10] __sys_sendmsg+0xcd/0x170 [ 7997.519572][ T10] do_syscall_64+0xc6/0x1e0 [ 7997.519572][ T10] [ 7997.521545][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7997.521545][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7997.521545][ T10] ipv6_find_idev+0x102/0x170 [ 7997.521545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7997.521545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7997.521545][ T10] netlink_rcv_skb+0x130/0x360 [ 7997.521545][ T10] netlink_unicast+0x449/0x710 [ 7997.521545][ T10] netlink_sendmsg+0x723/0xbe0 [ 7997.521545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7997.521545][ T10] ___sys_sendmsg+0xee/0x170 [ 7997.521545][ T10] __sys_sendmsg+0xcd/0x170 [ 7997.521545][ T10] do_syscall_64+0xc6/0x1e0 [ 7997.521545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7997.521545][ T10] [ 7997.523081][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 7997.523081][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7997.523081][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7997.523081][ T10] ipv6_find_idev+0x102/0x170 [ 7997.523081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7997.523081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7997.523081][ T10] netlink_rcv_skb+0x130/0x360 [ 7997.523081][ T10] netlink_unicast+0x449/0x710 [ 7997.523081][ T10] netlink_sendmsg+0x723/0xbe0 [ 7997.523081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7997.523081][ T10] ___sys_sendmsg+0xee/0x170 [ 7997.523081][ T10] __sys_sendmsg+0xcd/0x170 [ 7997.523081][ T10] do_syscall_64+0xc6/0x1e0 [ 7997.523081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7997.523081][ T10] [ 7997.524758][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 7997.525006][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7997.525006][ T10] netdev_get_by_index+0x5e/0x80 [ 7997.525006][ T10] fib6_nh_init+0x3d8/0x1580 [ 7997.525006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7997.525006][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7997.525006][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7997.525006][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7997.525006][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7997.525006][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7997.525006][ T10] addrconf_dad_begin+0x310/0x670 [ 7997.525006][ T10] addrconf_dad_work+0x10b/0xab0 [ 7997.525006][ T10] process_one_work+0x84d/0x18a0 [ 7997.525006][ T10] worker_thread+0x587/0xd30 [ 7997.525006][ T10] kthread+0x28a/0x350 [ 7997.525006][ T10] ret_from_fork+0x31/0x70 [ 7997.525006][ T10] ret_from_fork_asm+0x1a/0x30 [ 7997.525006][ T10] [ 7997.526905][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7997.526905][ T10] netdev_get_by_index+0x5e/0x80 [ 7997.526905][ T10] fib6_nh_init+0x3d8/0x1580 [ 7997.526905][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7997.526905][ T10] ip6_route_add+0x1c/0x140 [ 7997.526905][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7997.526905][ T10] inet6_addr_add+0x4f8/0xa40 [ 7997.526905][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7997.526905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7997.526905][ T10] netlink_rcv_skb+0x130/0x360 [ 7997.526905][ T10] netlink_unicast+0x449/0x710 [ 7997.526905][ T10] netlink_sendmsg+0x723/0xbe0 [ 7997.526905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7997.526905][ T10] ___sys_sendmsg+0xee/0x170 [ 7997.526905][ T10] __sys_sendmsg+0xcd/0x170 [ 7997.526905][ T10] do_syscall_64+0xc6/0x1e0 [ 7997.526905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7997.526905][ T10] [ 7997.528888][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7997.528888][ T10] netdev_get_by_index+0x5e/0x80 [ 7997.528888][ T10] fib6_nh_init+0x3d8/0x1580 [ 7997.528888][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7997.528888][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7997.528888][ T10] ipv6_add_addr+0x411/0x2000 [ 7997.528888][ T10] inet6_addr_add+0x30e/0xa40 [ 7997.528888][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7997.528888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7997.528888][ T10] netlink_rcv_skb+0x130/0x360 [ 7997.528888][ T10] netlink_unicast+0x449/0x710 [ 7997.528888][ T10] netlink_sendmsg+0x723/0xbe0 [ 7997.528888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7997.528888][ T10] ___sys_sendmsg+0xee/0x170 [ 7997.528888][ T10] __sys_sendmsg+0xcd/0x170 [ 7997.528888][ T10] do_syscall_64+0xc6/0x1e0 [ 7997.528888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7997.528888][ T10] [ 7997.530877][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7997.530877][ T10] netdev_get_by_index+0x5e/0x80 [ 7997.530877][ T10] fib6_nh_init+0x3d8/0x1580 [ 7997.530877][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7997.530877][ T10] ip6_route_add+0x1c/0x140 [ 7997.530877][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7997.530877][ T10] addrconf_add_dev+0xe2/0x170 [ 7997.530877][ T10] inet6_addr_add+0x12f/0xa40 [ 7997.530877][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7997.530877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7997.530877][ T10] netlink_rcv_skb+0x130/0x360 [ 7997.530877][ T10] netlink_unicast+0x449/0x710 [ 7997.530877][ T10] netlink_sendmsg+0x723/0xbe0 [ 7997.530877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7997.530877][ T10] ___sys_sendmsg+0xee/0x170 [ 7997.530877][ T10] __sys_sendmsg+0xcd/0x170 [ 7997.530877][ T10] do_syscall_64+0xc6/0x1e0 [ 7997.530877][ T10] [ 7997.532845][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7997.532845][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7997.532845][ T10] ipv6_find_idev+0x102/0x170 [ 7997.532845][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7997.532845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7997.532845][ T10] netlink_rcv_skb+0x130/0x360 [ 7997.532845][ T10] netlink_unicast+0x449/0x710 [ 7997.532845][ T10] netlink_sendmsg+0x723/0xbe0 [ 7997.532845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7997.532845][ T10] ___sys_sendmsg+0xee/0x170 [ 7997.532845][ T10] __sys_sendmsg+0xcd/0x170 [ 7997.532845][ T10] do_syscall_64+0xc6/0x1e0 [ 7997.532845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7997.532845][ T10] [ 7997.534372][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 7997.534372][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7997.534372][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7997.534372][ T10] ipv6_find_idev+0x102/0x170 [ 7997.534372][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7997.534372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7997.534372][ T10] netlink_rcv_skb+0x130/0x360 [ 7997.534372][ T10] netlink_unicast+0x449/0x710 [ 7997.534372][ T10] netlink_sendmsg+0x723/0xbe0 [ 7997.534372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7997.534372][ T10] ___sys_sendmsg+0xee/0x170 [ 7997.534372][ T10] __sys_sendmsg+0xcd/0x170 [ 7997.534372][ T10] do_syscall_64+0xc6/0x1e0 [ 7997.534372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7997.534372][ T10] [ 7997.536044][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7997.536287][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7997.536287][ T10] netdev_get_by_index+0x5e/0x80 [ 7997.536287][ T10] fib6_nh_init+0x3d8/0x1580 [ 7997.536287][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7997.536287][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7997.536287][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7997.536287][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7997.536287][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7997.536287][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7997.536287][ T10] addrconf_dad_begin+0x310/0x670 [ 7997.536287][ T10] addrconf_dad_work+0x10b/0xab0 [ 7997.536287][ T10] process_one_work+0x84d/0x18a0 [ 7997.536287][ T10] worker_thread+0x587/0xd30 [ 7997.536287][ T10] kthread+0x28a/0x350 [ 7997.536287][ T10] ret_from_fork+0x31/0x70 [ 7997.536287][ T10] ret_from_fork_asm+0x1a/0x30 [ 7997.536287][ T10] [ 7997.538183][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7997.538183][ T10] netdev_get_by_index+0x5e/0x80 [ 7997.538183][ T10] fib6_nh_init+0x3d8/0x1580 [ 7997.538183][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7997.538183][ T10] ip6_route_add+0x1c/0x140 [ 7997.538183][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7997.538183][ T10] inet6_addr_add+0x4f8/0xa40 [ 7997.538183][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7997.538183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7997.538183][ T10] netlink_rcv_skb+0x130/0x360 [ 7997.538183][ T10] netlink_unicast+0x449/0x710 [ 7997.538183][ T10] netlink_sendmsg+0x723/0xbe0 [ 7997.538183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7997.538183][ T10] ___sys_sendmsg+0xee/0x170 [ 7997.538183][ T10] __sys_sendmsg+0xcd/0x170 [ 7997.538183][ T10] do_syscall_64+0xc6/0x1e0 [ 7997.538183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7997.538183][ T10] [ 7997.540354][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7997.540354][ T10] netdev_get_by_index+0x5e/0x80 [ 7997.540354][ T10] fib6_nh_init+0x3d8/0x1580 [ 7997.540354][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7997.540354][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7997.540354][ T10] ipv6_add_addr+0x411/0x2000 [ 7997.540354][ T10] inet6_addr_add+0x30e/0xa40 [ 7997.540354][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7997.540354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7997.540354][ T10] netlink_rcv_skb+0x130/0x360 [ 7997.540354][ T10] netlink_unicast+0x449/0x710 [ 7997.540354][ T10] netlink_sendmsg+0x723/0xbe0 [ 7997.540354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7997.540354][ T10] ___sys_sendmsg+0xee/0x170 [ 7997.540354][ T10] __sys_sendmsg+0xcd/0x170 [ 7997.540354][ T10] do_syscall_64+0xc6/0x1e0 [ 7997.540354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7997.540354][ T10] [ 7997.542655][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7997.542655][ T10] netdev_get_by_index+0x5e/0x80 [ 7997.542655][ T10] fib6_nh_init+0x3d8/0x1580 [ 7997.542655][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7997.542655][ T10] ip6_route_add+0x1c/0x140 [ 7997.542655][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7997.542655][ T10] addrconf_add_dev+0xe2/0x170 [ 7997.542655][ T10] inet6_addr_add+0x12f/0xa40 [ 7997.542655][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7997.542655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7997.542655][ T10] netlink_rcv_skb+0x130/0x360 [ 7997.542655][ T10] netlink_unicast+0x449/0x710 [ 7997.542655][ T10] netlink_sendmsg+0x723/0xbe0 [ 7997.542655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7997.542655][ T10] ___sys_sendmsg+0xee/0x170 [ 7997.542655][ T10] __sys_sendmsg+0xcd/0x170 [ 7997.542655][ T10] do_syscall_64+0xc6/0x1e0 [ 7997.542655][ T10] [ 7997.544850][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7997.544850][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7997.544850][ T10] ipv6_find_idev+0x102/0x170 [ 7997.544850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7997.544850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7997.544850][ T10] netlink_rcv_skb+0x130/0x360 [ 7997.544850][ T10] netlink_unicast+0x449/0x710 [ 7997.544850][ T10] netlink_sendmsg+0x723/0xbe0 [ 7997.544850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7997.544850][ T10] ___sys_sendmsg+0xee/0x170 [ 7997.544850][ T10] __sys_sendmsg+0xcd/0x170 [ 7997.544850][ T10] do_syscall_64+0xc6/0x1e0 [ 7997.544850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7997.544850][ T10] [ 7997.546562][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 7997.546562][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7997.546562][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7997.546562][ T10] ipv6_find_idev+0x102/0x170 [ 7997.546562][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7997.546562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7997.546562][ T10] netlink_rcv_skb+0x130/0x360 [ 7997.546562][ T10] netlink_unicast+0x449/0x710 [ 7997.546562][ T10] netlink_sendmsg+0x723/0xbe0 [ 7997.546562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7997.546562][ T10] ___sys_sendmsg+0xee/0x170 [ 7997.546562][ T10] __sys_sendmsg+0xcd/0x170 [ 7997.546562][ T10] do_syscall_64+0xc6/0x1e0 [ 7997.546562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7997.546562][ T10] [ 7997.548351][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 7997.548583][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7997.548583][ T10] netdev_get_by_index+0x5e/0x80 [ 7997.548583][ T10] fib6_nh_init+0x3d8/0x1580 [ 7997.548583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7997.548583][ T10] addrconf_f6i_alloc+0x265/0x560 [ 7997.548583][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7997.548583][ T10] addrconf_join_anycast+0x1c0/0x220 [ 7997.548583][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7997.548583][ T10] addrconf_dad_completed+0x12b/0xe20 [ 7997.548583][ T10] addrconf_dad_begin+0x310/0x670 [ 7997.548583][ T10] addrconf_dad_work+0x10b/0xab0 [ 7997.548583][ T10] process_one_work+0x84d/0x18a0 [ 7997.548583][ T10] worker_thread+0x587/0xd30 [ 7997.548583][ T10] kthread+0x28a/0x350 [ 7997.548583][ T10] ret_from_fork+0x31/0x70 [ 7997.548583][ T10] ret_from_fork_asm+0x1a/0x30 [ 7997.548583][ T10] [ 7997.550781][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7997.550781][ T10] netdev_get_by_index+0x5e/0x80 [ 7997.550781][ T10] fib6_nh_init+0x3d8/0x1580 [ 7997.550781][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7997.550781][ T10] ip6_route_add+0x1c/0x140 [ 7997.550781][ T10] addrconf_prefix_route+0x2a6/0x430 [ 7997.550781][ T10] inet6_addr_add+0x4f8/0xa40 [ 7997.550781][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7997.550781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7997.550781][ T10] netlink_rcv_skb+0x130/0x360 [ 7997.550781][ T10] netlink_unicast+0x449/0x710 [ 7997.550781][ T10] netlink_sendmsg+0x723/0xbe0 [ 7997.550781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7997.550781][ T10] ___sys_sendmsg+0xee/0x170 [ 7997.550781][ T10] __sys_sendmsg+0xcd/0x170 [ 7997.550781][ T10] do_syscall_64+0xc6/0x1e0 [ 7997.550781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7997.550781][ T10] [ 7997.553004][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7997.553004][ T10] netdev_get_by_index+0x5e/0x80 [ 7997.553004][ T10] fib6_nh_init+0x3d8/0x1580 [ 7997.553004][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7997.553004][ T10] addrconf_f6i_alloc+0x315/0x560 [ 7997.553004][ T10] ipv6_add_addr+0x411/0x2000 [ 7997.553004][ T10] inet6_addr_add+0x30e/0xa40 [ 7997.553004][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7997.553004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7997.553004][ T10] netlink_rcv_skb+0x130/0x360 [ 7997.553004][ T10] netlink_unicast+0x449/0x710 [ 7997.553004][ T10] netlink_sendmsg+0x723/0xbe0 [ 7997.553004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7997.553004][ T10] ___sys_sendmsg+0xee/0x170 [ 7997.553004][ T10] __sys_sendmsg+0xcd/0x170 [ 7997.553004][ T10] do_syscall_64+0xc6/0x1e0 [ 7997.553004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7997.553004][ T10] [ 7997.555224][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7997.555224][ T10] netdev_get_by_index+0x5e/0x80 [ 7997.555224][ T10] fib6_nh_init+0x3d8/0x1580 [ 7997.555224][ T10] ip6_route_info_create+0xf18/0x17d0 [ 7997.555224][ T10] ip6_route_add+0x1c/0x140 [ 7997.555224][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 7997.555224][ T10] addrconf_add_dev+0xe2/0x170 [ 7997.555224][ T10] inet6_addr_add+0x12f/0xa40 [ 7997.555224][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 7997.555224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7997.555224][ T10] netlink_rcv_skb+0x130/0x360 [ 7997.555224][ T10] netlink_unicast+0x449/0x710 [ 7997.555224][ T10] netlink_sendmsg+0x723/0xbe0 [ 7997.555224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7997.555224][ T10] ___sys_sendmsg+0xee/0x170 [ 7997.555224][ T10] __sys_sendmsg+0xcd/0x170 [ 7997.555224][ T10] do_syscall_64+0xc6/0x1e0 [ 7997.555224][ T10] [ 7997.557348][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7997.557348][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 7997.557348][ T10] ipv6_find_idev+0x102/0x170 [ 7997.557348][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7997.557348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7997.557348][ T10] netlink_rcv_skb+0x130/0x360 [ 7997.557348][ T10] netlink_unicast+0x449/0x710 [ 7997.557348][ T10] netlink_sendmsg+0x723/0xbe0 [ 7997.557348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7997.557348][ T10] ___sys_sendmsg+0xee/0x170 [ 7997.557348][ T10] __sys_sendmsg+0xcd/0x170 [ 7997.557348][ T10] do_syscall_64+0xc6/0x1e0 [ 7997.557348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7997.557348][ T10] [ 7997.559061][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 7997.559061][ T10] neigh_parms_alloc+0x1e5/0x510 [ 7997.559061][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 7997.559061][ T10] ipv6_find_idev+0x102/0x170 [ 7997.559061][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 7997.559061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7997.559061][ T10] netlink_rcv_skb+0x130/0x360 [ 7997.559061][ T10] netlink_unicast+0x449/0x710 [ 7997.559061][ T10] netlink_sendmsg+0x723/0xbe0 [ 7997.559061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 7997.559061][ T10] ___sys_sendmsg+0xee/0x170 [ 7997.559061][ T10] __sys_sendmsg+0xcd/0x170 [ 7997.559061][ T10] do_syscall_64+0xc6/0x1e0 [ 7997.559061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7997.559061][ T10] [ 7998.281104][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 7998.281522][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7998.281522][ T1167] dst_init+0x84/0x4a0 [ 7998.281522][ T1167] dst_alloc+0x97/0x150 [ 7998.281522][ T1167] ip6_dst_alloc+0x23/0x90 [ 7998.281522][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7998.281522][ T1167] ip6_pol_route+0x56f/0x840 [ 7998.281522][ T1167] fib6_rule_lookup+0x334/0x630 [ 7998.281522][ T1167] ip6_route_output_flags+0x259/0x480 [ 7998.281522][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 7998.281522][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 7998.281522][ T1167] netlink_rcv_skb+0x130/0x360 [ 7998.281522][ T1167] netlink_unicast+0x449/0x710 [ 7998.281522][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7998.281522][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7998.281522][ T1167] ___sys_sendmsg+0xee/0x170 [ 7998.281522][ T1167] __sys_sendmsg+0xcd/0x170 [ 7998.281522][ T1167] do_syscall_64+0xc6/0x1e0 [ 7998.281522][ T1167] [ 7998.283740][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7998.283740][ T1167] netdev_get_by_index+0x5e/0x80 [ 7998.283740][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7998.283740][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7998.283740][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 7998.283740][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7998.283740][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 7998.283740][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7998.283740][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 7998.283740][ T1167] addrconf_dad_begin+0x310/0x670 [ 7998.283740][ T1167] addrconf_dad_work+0x10b/0xab0 [ 7998.283740][ T1167] process_one_work+0x84d/0x18a0 [ 7998.283740][ T1167] worker_thread+0x587/0xd30 [ 7998.283740][ T1167] kthread+0x28a/0x350 [ 7998.283740][ T1167] ret_from_fork+0x31/0x70 [ 7998.283740][ T1167] ret_from_fork_asm+0x1a/0x30 [ 7998.283740][ T1167] [ 7998.285923][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7998.285923][ T1167] netdev_get_by_index+0x5e/0x80 [ 7998.285923][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7998.285923][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7998.285923][ T1167] ip6_route_add+0x1c/0x140 [ 7998.285923][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 7998.285923][ T1167] inet6_addr_add+0x4f8/0xa40 [ 7998.285923][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7998.285923][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7998.285923][ T1167] netlink_rcv_skb+0x130/0x360 [ 7998.285923][ T1167] netlink_unicast+0x449/0x710 [ 7998.285923][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7998.285923][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7998.285923][ T1167] ___sys_sendmsg+0xee/0x170 [ 7998.285923][ T1167] __sys_sendmsg+0xcd/0x170 [ 7998.285923][ T1167] do_syscall_64+0xc6/0x1e0 [ 7998.285923][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7998.285923][ T1167] [ 7998.288171][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7998.288171][ T1167] netdev_get_by_index+0x5e/0x80 [ 7998.288171][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7998.288171][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7998.288171][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 7998.288171][ T1167] ipv6_add_addr+0x411/0x2000 [ 7998.288171][ T1167] inet6_addr_add+0x30e/0xa40 [ 7998.288171][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7998.288171][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7998.288171][ T1167] netlink_rcv_skb+0x130/0x360 [ 7998.288171][ T1167] netlink_unicast+0x449/0x710 [ 7998.288171][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7998.288171][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7998.288171][ T1167] ___sys_sendmsg+0xee/0x170 [ 7998.288171][ T1167] __sys_sendmsg+0xcd/0x170 [ 7998.288171][ T1167] do_syscall_64+0xc6/0x1e0 [ 7998.288171][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7998.288171][ T1167] [ 7998.290407][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7998.290407][ T1167] netdev_get_by_index+0x5e/0x80 [ 7998.290407][ T1167] fib6_nh_init+0x3d8/0x1580 [ 7998.290407][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 7998.290407][ T1167] ip6_route_add+0x1c/0x140 [ 7998.290407][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 7998.290407][ T1167] addrconf_add_dev+0xe2/0x170 [ 7998.290407][ T1167] inet6_addr_add+0x12f/0xa40 [ 7998.290407][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 7998.290407][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7998.290407][ T1167] netlink_rcv_skb+0x130/0x360 [ 7998.290407][ T1167] netlink_unicast+0x449/0x710 [ 7998.290407][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7998.290407][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7998.290407][ T1167] ___sys_sendmsg+0xee/0x170 [ 7998.290407][ T1167] __sys_sendmsg+0xcd/0x170 [ 7998.290407][ T1167] do_syscall_64+0xc6/0x1e0 [ 7998.290407][ T1167] [ 7998.292657][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7998.292657][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 7998.292657][ T1167] ipv6_find_idev+0x102/0x170 [ 7998.292657][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7998.292657][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7998.292657][ T1167] netlink_rcv_skb+0x130/0x360 [ 7998.292657][ T1167] netlink_unicast+0x449/0x710 [ 7998.292657][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7998.292657][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7998.292657][ T1167] ___sys_sendmsg+0xee/0x170 [ 7998.292657][ T1167] __sys_sendmsg+0xcd/0x170 [ 7998.292657][ T1167] do_syscall_64+0xc6/0x1e0 [ 7998.292657][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7998.292657][ T1167] [ 7998.294400][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 7998.294400][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 7998.294400][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 7998.294400][ T1167] ipv6_find_idev+0x102/0x170 [ 7998.294400][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 7998.294400][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7998.294400][ T1167] netlink_rcv_skb+0x130/0x360 [ 7998.294400][ T1167] netlink_unicast+0x449/0x710 [ 7998.294400][ T1167] netlink_sendmsg+0x723/0xbe0 [ 7998.294400][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 7998.294400][ T1167] ___sys_sendmsg+0xee/0x170 [ 7998.294400][ T1167] __sys_sendmsg+0xcd/0x170 [ 7998.294400][ T1167] do_syscall_64+0xc6/0x1e0 [ 7998.294400][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7998.294400][ T1167] [ 8007.801045][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8007.801431][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8007.801431][ T10] netdev_get_by_index+0x5e/0x80 [ 8007.801431][ T10] fib6_nh_init+0x3d8/0x1580 [ 8007.801431][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8007.801431][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8007.801431][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8007.801431][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8007.801431][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8007.801431][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8007.801431][ T10] addrconf_dad_begin+0x310/0x670 [ 8007.801431][ T10] addrconf_dad_work+0x10b/0xab0 [ 8007.801431][ T10] process_one_work+0x84d/0x18a0 [ 8007.801431][ T10] worker_thread+0x587/0xd30 [ 8007.801431][ T10] kthread+0x28a/0x350 [ 8007.801431][ T10] ret_from_fork+0x31/0x70 [ 8007.801431][ T10] ret_from_fork_asm+0x1a/0x30 [ 8007.801431][ T10] [ 8007.803358][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8007.803358][ T10] netdev_get_by_index+0x5e/0x80 [ 8007.803358][ T10] fib6_nh_init+0x3d8/0x1580 [ 8007.803358][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8007.803358][ T10] ip6_route_add+0x1c/0x140 [ 8007.803358][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8007.803358][ T10] inet6_addr_add+0x4f8/0xa40 [ 8007.803358][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8007.803358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8007.803358][ T10] netlink_rcv_skb+0x130/0x360 [ 8007.803358][ T10] netlink_unicast+0x449/0x710 [ 8007.803358][ T10] netlink_sendmsg+0x723/0xbe0 [ 8007.803358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8007.803358][ T10] ___sys_sendmsg+0xee/0x170 [ 8007.803358][ T10] __sys_sendmsg+0xcd/0x170 [ 8007.803358][ T10] do_syscall_64+0xc6/0x1e0 [ 8007.803358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8007.803358][ T10] [ 8007.805338][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8007.805338][ T10] netdev_get_by_index+0x5e/0x80 [ 8007.805338][ T10] fib6_nh_init+0x3d8/0x1580 [ 8007.805338][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8007.805338][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8007.805338][ T10] ipv6_add_addr+0x411/0x2000 [ 8007.805338][ T10] inet6_addr_add+0x30e/0xa40 [ 8007.805338][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8007.805338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8007.805338][ T10] netlink_rcv_skb+0x130/0x360 [ 8007.805338][ T10] netlink_unicast+0x449/0x710 [ 8007.805338][ T10] netlink_sendmsg+0x723/0xbe0 [ 8007.805338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8007.805338][ T10] ___sys_sendmsg+0xee/0x170 [ 8007.805338][ T10] __sys_sendmsg+0xcd/0x170 [ 8007.805338][ T10] do_syscall_64+0xc6/0x1e0 [ 8007.805338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8007.805338][ T10] [ 8007.807315][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8007.807315][ T10] netdev_get_by_index+0x5e/0x80 [ 8007.807315][ T10] fib6_nh_init+0x3d8/0x1580 [ 8007.807315][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8007.807315][ T10] ip6_route_add+0x1c/0x140 [ 8007.807315][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8007.807315][ T10] addrconf_add_dev+0xe2/0x170 [ 8007.807315][ T10] inet6_addr_add+0x12f/0xa40 [ 8007.807315][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8007.807315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8007.807315][ T10] netlink_rcv_skb+0x130/0x360 [ 8007.807315][ T10] netlink_unicast+0x449/0x710 [ 8007.807315][ T10] netlink_sendmsg+0x723/0xbe0 [ 8007.807315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8007.807315][ T10] ___sys_sendmsg+0xee/0x170 [ 8007.807315][ T10] __sys_sendmsg+0xcd/0x170 [ 8007.807315][ T10] do_syscall_64+0xc6/0x1e0 [ 8007.807315][ T10] [ 8007.809264][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8007.809264][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8007.809264][ T10] ipv6_find_idev+0x102/0x170 [ 8007.809264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8007.809264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8007.809264][ T10] netlink_rcv_skb+0x130/0x360 [ 8007.809264][ T10] netlink_unicast+0x449/0x710 [ 8007.809264][ T10] netlink_sendmsg+0x723/0xbe0 [ 8007.809264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8007.809264][ T10] ___sys_sendmsg+0xee/0x170 [ 8007.809264][ T10] __sys_sendmsg+0xcd/0x170 [ 8007.809264][ T10] do_syscall_64+0xc6/0x1e0 [ 8007.809264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8007.809264][ T10] [ 8007.810796][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8007.810796][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8007.810796][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8007.810796][ T10] ipv6_find_idev+0x102/0x170 [ 8007.810796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8007.810796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8007.810796][ T10] netlink_rcv_skb+0x130/0x360 [ 8007.810796][ T10] netlink_unicast+0x449/0x710 [ 8007.810796][ T10] netlink_sendmsg+0x723/0xbe0 [ 8007.810796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8007.810796][ T10] ___sys_sendmsg+0xee/0x170 [ 8007.810796][ T10] __sys_sendmsg+0xcd/0x170 [ 8007.810796][ T10] do_syscall_64+0xc6/0x1e0 [ 8007.810796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8007.810796][ T10] [ 8007.812473][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8007.812760][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8007.812760][ T10] netdev_get_by_index+0x5e/0x80 [ 8007.812760][ T10] fib6_nh_init+0x3d8/0x1580 [ 8007.812760][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8007.812760][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8007.812760][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8007.812760][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8007.812760][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8007.812760][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8007.812760][ T10] addrconf_dad_begin+0x310/0x670 [ 8007.812760][ T10] addrconf_dad_work+0x10b/0xab0 [ 8007.812760][ T10] process_one_work+0x84d/0x18a0 [ 8007.812760][ T10] worker_thread+0x587/0xd30 [ 8007.812760][ T10] kthread+0x28a/0x350 [ 8007.812760][ T10] ret_from_fork+0x31/0x70 [ 8007.812760][ T10] ret_from_fork_asm+0x1a/0x30 [ 8007.812760][ T10] [ 8007.814663][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8007.814663][ T10] netdev_get_by_index+0x5e/0x80 [ 8007.814663][ T10] fib6_nh_init+0x3d8/0x1580 [ 8007.814663][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8007.814663][ T10] ip6_route_add+0x1c/0x140 [ 8007.814663][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8007.814663][ T10] inet6_addr_add+0x4f8/0xa40 [ 8007.814663][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8007.814663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8007.814663][ T10] netlink_rcv_skb+0x130/0x360 [ 8007.814663][ T10] netlink_unicast+0x449/0x710 [ 8007.814663][ T10] netlink_sendmsg+0x723/0xbe0 [ 8007.814663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8007.814663][ T10] ___sys_sendmsg+0xee/0x170 [ 8007.814663][ T10] __sys_sendmsg+0xcd/0x170 [ 8007.814663][ T10] do_syscall_64+0xc6/0x1e0 [ 8007.814663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8007.814663][ T10] [ 8007.816641][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8007.816641][ T10] netdev_get_by_index+0x5e/0x80 [ 8007.816641][ T10] fib6_nh_init+0x3d8/0x1580 [ 8007.816641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8007.816641][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8007.816641][ T10] ipv6_add_addr+0x411/0x2000 [ 8007.816641][ T10] inet6_addr_add+0x30e/0xa40 [ 8007.816641][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8007.816641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8007.816641][ T10] netlink_rcv_skb+0x130/0x360 [ 8007.816641][ T10] netlink_unicast+0x449/0x710 [ 8007.816641][ T10] netlink_sendmsg+0x723/0xbe0 [ 8007.816641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8007.816641][ T10] ___sys_sendmsg+0xee/0x170 [ 8007.816641][ T10] __sys_sendmsg+0xcd/0x170 [ 8007.816641][ T10] do_syscall_64+0xc6/0x1e0 [ 8007.816641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8007.816641][ T10] [ 8007.818618][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8007.818618][ T10] netdev_get_by_index+0x5e/0x80 [ 8007.818618][ T10] fib6_nh_init+0x3d8/0x1580 [ 8007.818618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8007.818618][ T10] ip6_route_add+0x1c/0x140 [ 8007.818618][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8007.818618][ T10] addrconf_add_dev+0xe2/0x170 [ 8007.818618][ T10] inet6_addr_add+0x12f/0xa40 [ 8007.818618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8007.818618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8007.818618][ T10] netlink_rcv_skb+0x130/0x360 [ 8007.818618][ T10] netlink_unicast+0x449/0x710 [ 8007.818618][ T10] netlink_sendmsg+0x723/0xbe0 [ 8007.818618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8007.818618][ T10] ___sys_sendmsg+0xee/0x170 [ 8007.818618][ T10] __sys_sendmsg+0xcd/0x170 [ 8007.818618][ T10] do_syscall_64+0xc6/0x1e0 [ 8007.818618][ T10] [ 8007.820578][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8007.820578][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8007.820578][ T10] ipv6_find_idev+0x102/0x170 [ 8007.820578][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8007.820578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8007.820578][ T10] netlink_rcv_skb+0x130/0x360 [ 8007.820578][ T10] netlink_unicast+0x449/0x710 [ 8007.820578][ T10] netlink_sendmsg+0x723/0xbe0 [ 8007.820578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8007.820578][ T10] ___sys_sendmsg+0xee/0x170 [ 8007.820578][ T10] __sys_sendmsg+0xcd/0x170 [ 8007.820578][ T10] do_syscall_64+0xc6/0x1e0 [ 8007.820578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8007.820578][ T10] [ 8007.822102][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8007.822102][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8007.822102][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8007.822102][ T10] ipv6_find_idev+0x102/0x170 [ 8007.822102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8007.822102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8007.822102][ T10] netlink_rcv_skb+0x130/0x360 [ 8007.822102][ T10] netlink_unicast+0x449/0x710 [ 8007.822102][ T10] netlink_sendmsg+0x723/0xbe0 [ 8007.822102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8007.822102][ T10] ___sys_sendmsg+0xee/0x170 [ 8007.822102][ T10] __sys_sendmsg+0xcd/0x170 [ 8007.822102][ T10] do_syscall_64+0xc6/0x1e0 [ 8007.822102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8007.822102][ T10] [ 8007.823780][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8007.824019][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8007.824019][ T10] netdev_get_by_index+0x5e/0x80 [ 8007.824019][ T10] fib6_nh_init+0x3d8/0x1580 [ 8007.824019][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8007.824019][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8007.824019][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8007.824019][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8007.824019][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8007.824019][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8007.824019][ T10] addrconf_dad_begin+0x310/0x670 [ 8007.824019][ T10] addrconf_dad_work+0x10b/0xab0 [ 8007.824019][ T10] process_one_work+0x84d/0x18a0 [ 8007.824019][ T10] worker_thread+0x587/0xd30 [ 8007.824019][ T10] kthread+0x28a/0x350 [ 8007.824019][ T10] ret_from_fork+0x31/0x70 [ 8007.824019][ T10] ret_from_fork_asm+0x1a/0x30 [ 8007.824019][ T10] [ 8007.825910][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8007.825910][ T10] netdev_get_by_index+0x5e/0x80 [ 8007.825910][ T10] fib6_nh_init+0x3d8/0x1580 [ 8007.825910][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8007.825910][ T10] ip6_route_add+0x1c/0x140 [ 8007.825910][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8007.825910][ T10] inet6_addr_add+0x4f8/0xa40 [ 8007.825910][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8007.825910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8007.825910][ T10] netlink_rcv_skb+0x130/0x360 [ 8007.825910][ T10] netlink_unicast+0x449/0x710 [ 8007.825910][ T10] netlink_sendmsg+0x723/0xbe0 [ 8007.825910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8007.825910][ T10] ___sys_sendmsg+0xee/0x170 [ 8007.825910][ T10] __sys_sendmsg+0xcd/0x170 [ 8007.825910][ T10] do_syscall_64+0xc6/0x1e0 [ 8007.825910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8007.825910][ T10] [ 8007.828016][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8007.828016][ T10] netdev_get_by_index+0x5e/0x80 [ 8007.828016][ T10] fib6_nh_init+0x3d8/0x1580 [ 8007.828016][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8007.828016][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8007.828016][ T10] ipv6_add_addr+0x411/0x2000 [ 8007.828016][ T10] inet6_addr_add+0x30e/0xa40 [ 8007.828016][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8007.828016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8007.828016][ T10] netlink_rcv_skb+0x130/0x360 [ 8007.828016][ T10] netlink_unicast+0x449/0x710 [ 8007.828016][ T10] netlink_sendmsg+0x723/0xbe0 [ 8007.828016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8007.828016][ T10] ___sys_sendmsg+0xee/0x170 [ 8007.828016][ T10] __sys_sendmsg+0xcd/0x170 [ 8007.828016][ T10] do_syscall_64+0xc6/0x1e0 [ 8007.828016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8007.828016][ T10] [ 8007.830119][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8007.830119][ T10] netdev_get_by_index+0x5e/0x80 [ 8007.830119][ T10] fib6_nh_init+0x3d8/0x1580 [ 8007.830119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8007.830119][ T10] ip6_route_add+0x1c/0x140 [ 8007.830119][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8007.830119][ T10] addrconf_add_dev+0xe2/0x170 [ 8007.830119][ T10] inet6_addr_add+0x12f/0xa40 [ 8007.830119][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8007.830119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8007.830119][ T10] netlink_rcv_skb+0x130/0x360 [ 8007.830119][ T10] netlink_unicast+0x449/0x710 [ 8007.830119][ T10] netlink_sendmsg+0x723/0xbe0 [ 8007.830119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8007.830119][ T10] ___sys_sendmsg+0xee/0x170 [ 8007.830119][ T10] __sys_sendmsg+0xcd/0x170 [ 8007.830119][ T10] do_syscall_64+0xc6/0x1e0 [ 8007.830119][ T10] [ 8007.832190][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8007.832190][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8007.832190][ T10] ipv6_find_idev+0x102/0x170 [ 8007.832190][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8007.832190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8007.832190][ T10] netlink_rcv_skb+0x130/0x360 [ 8007.832190][ T10] netlink_unicast+0x449/0x710 [ 8007.832190][ T10] netlink_sendmsg+0x723/0xbe0 [ 8007.832190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8007.832190][ T10] ___sys_sendmsg+0xee/0x170 [ 8007.832190][ T10] __sys_sendmsg+0xcd/0x170 [ 8007.832190][ T10] do_syscall_64+0xc6/0x1e0 [ 8007.832190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8007.832190][ T10] [ 8007.833778][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8007.833778][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8007.833778][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8007.833778][ T10] ipv6_find_idev+0x102/0x170 [ 8007.833778][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8007.833778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8007.833778][ T10] netlink_rcv_skb+0x130/0x360 [ 8007.833778][ T10] netlink_unicast+0x449/0x710 [ 8007.833778][ T10] netlink_sendmsg+0x723/0xbe0 [ 8007.833778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8007.833778][ T10] ___sys_sendmsg+0xee/0x170 [ 8007.833778][ T10] __sys_sendmsg+0xcd/0x170 [ 8007.833778][ T10] do_syscall_64+0xc6/0x1e0 [ 8007.833778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8007.833778][ T10] [ 8007.835562][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8007.835794][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8007.835794][ T10] netdev_get_by_index+0x5e/0x80 [ 8007.835794][ T10] fib6_nh_init+0x3d8/0x1580 [ 8007.835794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8007.835794][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8007.835794][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8007.835794][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8007.835794][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8007.835794][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8007.835794][ T10] addrconf_dad_begin+0x310/0x670 [ 8007.835794][ T10] addrconf_dad_work+0x10b/0xab0 [ 8007.835794][ T10] process_one_work+0x84d/0x18a0 [ 8007.835794][ T10] worker_thread+0x587/0xd30 [ 8007.835794][ T10] kthread+0x28a/0x350 [ 8007.835794][ T10] ret_from_fork+0x31/0x70 [ 8007.835794][ T10] ret_from_fork_asm+0x1a/0x30 [ 8007.835794][ T10] [ 8007.837846][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8007.837846][ T10] netdev_get_by_index+0x5e/0x80 [ 8007.837846][ T10] fib6_nh_init+0x3d8/0x1580 [ 8007.837846][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8007.837846][ T10] ip6_route_add+0x1c/0x140 [ 8007.837846][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8007.837846][ T10] inet6_addr_add+0x4f8/0xa40 [ 8007.837846][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8007.837846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8007.837846][ T10] netlink_rcv_skb+0x130/0x360 [ 8007.837846][ T10] netlink_unicast+0x449/0x710 [ 8007.837846][ T10] netlink_sendmsg+0x723/0xbe0 [ 8007.837846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8007.837846][ T10] ___sys_sendmsg+0xee/0x170 [ 8007.837846][ T10] __sys_sendmsg+0xcd/0x170 [ 8007.837846][ T10] do_syscall_64+0xc6/0x1e0 [ 8007.837846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8007.837846][ T10] [ 8007.839953][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8007.839953][ T10] netdev_get_by_index+0x5e/0x80 [ 8007.839953][ T10] fib6_nh_init+0x3d8/0x1580 [ 8007.839953][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8007.839953][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8007.839953][ T10] ipv6_add_addr+0x411/0x2000 [ 8007.839953][ T10] inet6_addr_add+0x30e/0xa40 [ 8007.839953][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8007.839953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8007.839953][ T10] netlink_rcv_skb+0x130/0x360 [ 8007.839953][ T10] netlink_unicast+0x449/0x710 [ 8007.839953][ T10] netlink_sendmsg+0x723/0xbe0 [ 8007.839953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8007.839953][ T10] ___sys_sendmsg+0xee/0x170 [ 8007.839953][ T10] __sys_sendmsg+0xcd/0x170 [ 8007.839953][ T10] do_syscall_64+0xc6/0x1e0 [ 8007.839953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8007.839953][ T10] [ 8007.842067][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8007.842067][ T10] netdev_get_by_index+0x5e/0x80 [ 8007.842067][ T10] fib6_nh_init+0x3d8/0x1580 [ 8007.842067][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8007.842067][ T10] ip6_route_add+0x1c/0x140 [ 8007.842067][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8007.842067][ T10] addrconf_add_dev+0xe2/0x170 [ 8007.842067][ T10] inet6_addr_add+0x12f/0xa40 [ 8007.842067][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8007.842067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8007.842067][ T10] netlink_rcv_skb+0x130/0x360 [ 8007.842067][ T10] netlink_unicast+0x449/0x710 [ 8007.842067][ T10] netlink_sendmsg+0x723/0xbe0 [ 8007.842067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8007.842067][ T10] ___sys_sendmsg+0xee/0x170 [ 8007.842067][ T10] __sys_sendmsg+0xcd/0x170 [ 8007.842067][ T10] do_syscall_64+0xc6/0x1e0 [ 8007.842067][ T10] [ 8007.844157][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8007.844157][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8007.844157][ T10] ipv6_find_idev+0x102/0x170 [ 8007.844157][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8007.844157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8007.844157][ T10] netlink_rcv_skb+0x130/0x360 [ 8007.844157][ T10] netlink_unicast+0x449/0x710 [ 8007.844157][ T10] netlink_sendmsg+0x723/0xbe0 [ 8007.844157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8007.844157][ T10] ___sys_sendmsg+0xee/0x170 [ 8007.844157][ T10] __sys_sendmsg+0xcd/0x170 [ 8007.844157][ T10] do_syscall_64+0xc6/0x1e0 [ 8007.844157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8007.844157][ T10] [ 8007.845749][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8007.845749][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8007.845749][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8007.845749][ T10] ipv6_find_idev+0x102/0x170 [ 8007.845749][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8007.845749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8007.845749][ T10] netlink_rcv_skb+0x130/0x360 [ 8007.845749][ T10] netlink_unicast+0x449/0x710 [ 8007.845749][ T10] netlink_sendmsg+0x723/0xbe0 [ 8007.845749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8007.845749][ T10] ___sys_sendmsg+0xee/0x170 [ 8007.845749][ T10] __sys_sendmsg+0xcd/0x170 [ 8007.845749][ T10] do_syscall_64+0xc6/0x1e0 [ 8007.845749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8007.845749][ T10] [ 8008.545133][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8008.545532][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8008.545532][ T1167] dst_init+0x84/0x4a0 [ 8008.545532][ T1167] dst_alloc+0x97/0x150 [ 8008.545532][ T1167] ip6_dst_alloc+0x23/0x90 [ 8008.545532][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8008.545532][ T1167] ip6_pol_route+0x56f/0x840 [ 8008.545532][ T1167] fib6_rule_lookup+0x334/0x630 [ 8008.545532][ T1167] ip6_route_output_flags+0x259/0x480 [ 8008.545532][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8008.545532][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8008.545532][ T1167] netlink_rcv_skb+0x130/0x360 [ 8008.545532][ T1167] netlink_unicast+0x449/0x710 [ 8008.545532][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8008.545532][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8008.545532][ T1167] ___sys_sendmsg+0xee/0x170 [ 8008.545532][ T1167] __sys_sendmsg+0xcd/0x170 [ 8008.545532][ T1167] do_syscall_64+0xc6/0x1e0 [ 8008.545532][ T1167] [ 8008.547737][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8008.547737][ T1167] netdev_get_by_index+0x5e/0x80 [ 8008.547737][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8008.547737][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8008.547737][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8008.547737][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8008.547737][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8008.547737][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8008.547737][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8008.547737][ T1167] addrconf_dad_begin+0x310/0x670 [ 8008.547737][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8008.547737][ T1167] process_one_work+0x84d/0x18a0 [ 8008.547737][ T1167] worker_thread+0x587/0xd30 [ 8008.547737][ T1167] kthread+0x28a/0x350 [ 8008.547737][ T1167] ret_from_fork+0x31/0x70 [ 8008.547737][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8008.547737][ T1167] [ 8008.549902][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8008.549902][ T1167] netdev_get_by_index+0x5e/0x80 [ 8008.549902][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8008.549902][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8008.549902][ T1167] ip6_route_add+0x1c/0x140 [ 8008.549902][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8008.549902][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8008.549902][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8008.549902][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8008.549902][ T1167] netlink_rcv_skb+0x130/0x360 [ 8008.549902][ T1167] netlink_unicast+0x449/0x710 [ 8008.549902][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8008.549902][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8008.549902][ T1167] ___sys_sendmsg+0xee/0x170 [ 8008.549902][ T1167] __sys_sendmsg+0xcd/0x170 [ 8008.549902][ T1167] do_syscall_64+0xc6/0x1e0 [ 8008.549902][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8008.549902][ T1167] [ 8008.552165][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8008.552165][ T1167] netdev_get_by_index+0x5e/0x80 [ 8008.552165][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8008.552165][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8008.552165][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8008.552165][ T1167] ipv6_add_addr+0x411/0x2000 [ 8008.552165][ T1167] inet6_addr_add+0x30e/0xa40 [ 8008.552165][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8008.552165][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8008.552165][ T1167] netlink_rcv_skb+0x130/0x360 [ 8008.552165][ T1167] netlink_unicast+0x449/0x710 [ 8008.552165][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8008.552165][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8008.552165][ T1167] ___sys_sendmsg+0xee/0x170 [ 8008.552165][ T1167] __sys_sendmsg+0xcd/0x170 [ 8008.552165][ T1167] do_syscall_64+0xc6/0x1e0 [ 8008.552165][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8008.552165][ T1167] [ 8008.554426][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8008.554426][ T1167] netdev_get_by_index+0x5e/0x80 [ 8008.554426][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8008.554426][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8008.554426][ T1167] ip6_route_add+0x1c/0x140 [ 8008.554426][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8008.554426][ T1167] addrconf_add_dev+0xe2/0x170 [ 8008.554426][ T1167] inet6_addr_add+0x12f/0xa40 [ 8008.554426][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8008.554426][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8008.554426][ T1167] netlink_rcv_skb+0x130/0x360 [ 8008.554426][ T1167] netlink_unicast+0x449/0x710 [ 8008.554426][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8008.554426][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8008.554426][ T1167] ___sys_sendmsg+0xee/0x170 [ 8008.554426][ T1167] __sys_sendmsg+0xcd/0x170 [ 8008.554426][ T1167] do_syscall_64+0xc6/0x1e0 [ 8008.554426][ T1167] [ 8008.556655][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8008.556655][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8008.556655][ T1167] ipv6_find_idev+0x102/0x170 [ 8008.556655][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8008.556655][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8008.556655][ T1167] netlink_rcv_skb+0x130/0x360 [ 8008.556655][ T1167] netlink_unicast+0x449/0x710 [ 8008.556655][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8008.556655][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8008.556655][ T1167] ___sys_sendmsg+0xee/0x170 [ 8008.556655][ T1167] __sys_sendmsg+0xcd/0x170 [ 8008.556655][ T1167] do_syscall_64+0xc6/0x1e0 [ 8008.556655][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8008.556655][ T1167] [ 8008.558393][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8008.558393][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8008.558393][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8008.558393][ T1167] ipv6_find_idev+0x102/0x170 [ 8008.558393][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8008.558393][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8008.558393][ T1167] netlink_rcv_skb+0x130/0x360 [ 8008.558393][ T1167] netlink_unicast+0x449/0x710 [ 8008.558393][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8008.558393][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8008.558393][ T1167] ___sys_sendmsg+0xee/0x170 [ 8008.558393][ T1167] __sys_sendmsg+0xcd/0x170 [ 8008.558393][ T1167] do_syscall_64+0xc6/0x1e0 [ 8008.558393][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8008.558393][ T1167] [ 8018.089102][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8018.089454][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8018.089454][ T10] netdev_get_by_index+0x5e/0x80 [ 8018.089454][ T10] fib6_nh_init+0x3d8/0x1580 [ 8018.089454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8018.089454][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8018.089454][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8018.089454][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8018.089454][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8018.089454][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8018.089454][ T10] addrconf_dad_begin+0x310/0x670 [ 8018.089454][ T10] addrconf_dad_work+0x10b/0xab0 [ 8018.089454][ T10] process_one_work+0x84d/0x18a0 [ 8018.089454][ T10] worker_thread+0x587/0xd30 [ 8018.089454][ T10] kthread+0x28a/0x350 [ 8018.089454][ T10] ret_from_fork+0x31/0x70 [ 8018.089454][ T10] ret_from_fork_asm+0x1a/0x30 [ 8018.089454][ T10] [ 8018.091403][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8018.091403][ T10] netdev_get_by_index+0x5e/0x80 [ 8018.091403][ T10] fib6_nh_init+0x3d8/0x1580 [ 8018.091403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8018.091403][ T10] ip6_route_add+0x1c/0x140 [ 8018.091403][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8018.091403][ T10] inet6_addr_add+0x4f8/0xa40 [ 8018.091403][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8018.091403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8018.091403][ T10] netlink_rcv_skb+0x130/0x360 [ 8018.091403][ T10] netlink_unicast+0x449/0x710 [ 8018.091403][ T10] netlink_sendmsg+0x723/0xbe0 [ 8018.091403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8018.091403][ T10] ___sys_sendmsg+0xee/0x170 [ 8018.091403][ T10] __sys_sendmsg+0xcd/0x170 [ 8018.091403][ T10] do_syscall_64+0xc6/0x1e0 [ 8018.091403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8018.091403][ T10] [ 8018.093505][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8018.093505][ T10] netdev_get_by_index+0x5e/0x80 [ 8018.093505][ T10] fib6_nh_init+0x3d8/0x1580 [ 8018.093505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8018.093505][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8018.093505][ T10] ipv6_add_addr+0x411/0x2000 [ 8018.093505][ T10] inet6_addr_add+0x30e/0xa40 [ 8018.093505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8018.093505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8018.093505][ T10] netlink_rcv_skb+0x130/0x360 [ 8018.093505][ T10] netlink_unicast+0x449/0x710 [ 8018.093505][ T10] netlink_sendmsg+0x723/0xbe0 [ 8018.093505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8018.093505][ T10] ___sys_sendmsg+0xee/0x170 [ 8018.093505][ T10] __sys_sendmsg+0xcd/0x170 [ 8018.093505][ T10] do_syscall_64+0xc6/0x1e0 [ 8018.093505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8018.093505][ T10] [ 8018.095488][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8018.095488][ T10] netdev_get_by_index+0x5e/0x80 [ 8018.095488][ T10] fib6_nh_init+0x3d8/0x1580 [ 8018.095488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8018.095488][ T10] ip6_route_add+0x1c/0x140 [ 8018.095488][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8018.095488][ T10] addrconf_add_dev+0xe2/0x170 [ 8018.095488][ T10] inet6_addr_add+0x12f/0xa40 [ 8018.095488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8018.095488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8018.095488][ T10] netlink_rcv_skb+0x130/0x360 [ 8018.095488][ T10] netlink_unicast+0x449/0x710 [ 8018.095488][ T10] netlink_sendmsg+0x723/0xbe0 [ 8018.095488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8018.095488][ T10] ___sys_sendmsg+0xee/0x170 [ 8018.095488][ T10] __sys_sendmsg+0xcd/0x170 [ 8018.095488][ T10] do_syscall_64+0xc6/0x1e0 [ 8018.095488][ T10] [ 8018.097436][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8018.097436][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8018.097436][ T10] ipv6_find_idev+0x102/0x170 [ 8018.097436][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8018.097436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8018.097436][ T10] netlink_rcv_skb+0x130/0x360 [ 8018.097436][ T10] netlink_unicast+0x449/0x710 [ 8018.097436][ T10] netlink_sendmsg+0x723/0xbe0 [ 8018.097436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8018.097436][ T10] ___sys_sendmsg+0xee/0x170 [ 8018.097436][ T10] __sys_sendmsg+0xcd/0x170 [ 8018.097436][ T10] do_syscall_64+0xc6/0x1e0 [ 8018.097436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8018.097436][ T10] [ 8018.098972][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8018.098972][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8018.098972][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8018.098972][ T10] ipv6_find_idev+0x102/0x170 [ 8018.098972][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8018.098972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8018.098972][ T10] netlink_rcv_skb+0x130/0x360 [ 8018.098972][ T10] netlink_unicast+0x449/0x710 [ 8018.098972][ T10] netlink_sendmsg+0x723/0xbe0 [ 8018.098972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8018.098972][ T10] ___sys_sendmsg+0xee/0x170 [ 8018.098972][ T10] __sys_sendmsg+0xcd/0x170 [ 8018.098972][ T10] do_syscall_64+0xc6/0x1e0 [ 8018.098972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8018.098972][ T10] [ 8018.100929][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8018.101184][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8018.101184][ T10] netdev_get_by_index+0x5e/0x80 [ 8018.101184][ T10] fib6_nh_init+0x3d8/0x1580 [ 8018.101184][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8018.101184][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8018.101184][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8018.101184][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8018.101184][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8018.101184][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8018.101184][ T10] addrconf_dad_begin+0x310/0x670 [ 8018.101184][ T10] addrconf_dad_work+0x10b/0xab0 [ 8018.101184][ T10] process_one_work+0x84d/0x18a0 [ 8018.101184][ T10] worker_thread+0x587/0xd30 [ 8018.101184][ T10] kthread+0x28a/0x350 [ 8018.101184][ T10] ret_from_fork+0x31/0x70 [ 8018.101184][ T10] ret_from_fork_asm+0x1a/0x30 [ 8018.101184][ T10] [ 8018.103072][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8018.103072][ T10] netdev_get_by_index+0x5e/0x80 [ 8018.103072][ T10] fib6_nh_init+0x3d8/0x1580 [ 8018.103072][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8018.103072][ T10] ip6_route_add+0x1c/0x140 [ 8018.103072][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8018.103072][ T10] inet6_addr_add+0x4f8/0xa40 [ 8018.103072][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8018.103072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8018.103072][ T10] netlink_rcv_skb+0x130/0x360 [ 8018.103072][ T10] netlink_unicast+0x449/0x710 [ 8018.103072][ T10] netlink_sendmsg+0x723/0xbe0 [ 8018.103072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8018.103072][ T10] ___sys_sendmsg+0xee/0x170 [ 8018.103072][ T10] __sys_sendmsg+0xcd/0x170 [ 8018.103072][ T10] do_syscall_64+0xc6/0x1e0 [ 8018.103072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8018.103072][ T10] [ 8018.105073][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8018.105073][ T10] netdev_get_by_index+0x5e/0x80 [ 8018.105073][ T10] fib6_nh_init+0x3d8/0x1580 [ 8018.105073][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8018.105073][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8018.105073][ T10] ipv6_add_addr+0x411/0x2000 [ 8018.105073][ T10] inet6_addr_add+0x30e/0xa40 [ 8018.105073][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8018.105073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8018.105073][ T10] netlink_rcv_skb+0x130/0x360 [ 8018.105073][ T10] netlink_unicast+0x449/0x710 [ 8018.105073][ T10] netlink_sendmsg+0x723/0xbe0 [ 8018.105073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8018.105073][ T10] ___sys_sendmsg+0xee/0x170 [ 8018.105073][ T10] __sys_sendmsg+0xcd/0x170 [ 8018.105073][ T10] do_syscall_64+0xc6/0x1e0 [ 8018.105073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8018.105073][ T10] [ 8018.107049][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8018.107049][ T10] netdev_get_by_index+0x5e/0x80 [ 8018.107049][ T10] fib6_nh_init+0x3d8/0x1580 [ 8018.107049][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8018.107049][ T10] ip6_route_add+0x1c/0x140 [ 8018.107049][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8018.107049][ T10] addrconf_add_dev+0xe2/0x170 [ 8018.107049][ T10] inet6_addr_add+0x12f/0xa40 [ 8018.107049][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8018.107049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8018.107049][ T10] netlink_rcv_skb+0x130/0x360 [ 8018.107049][ T10] netlink_unicast+0x449/0x710 [ 8018.107049][ T10] netlink_sendmsg+0x723/0xbe0 [ 8018.107049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8018.107049][ T10] ___sys_sendmsg+0xee/0x170 [ 8018.107049][ T10] __sys_sendmsg+0xcd/0x170 [ 8018.107049][ T10] do_syscall_64+0xc6/0x1e0 [ 8018.107049][ T10] [ 8018.108994][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8018.108994][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8018.108994][ T10] ipv6_find_idev+0x102/0x170 [ 8018.108994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8018.108994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8018.108994][ T10] netlink_rcv_skb+0x130/0x360 [ 8018.108994][ T10] netlink_unicast+0x449/0x710 [ 8018.108994][ T10] netlink_sendmsg+0x723/0xbe0 [ 8018.108994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8018.108994][ T10] ___sys_sendmsg+0xee/0x170 [ 8018.108994][ T10] __sys_sendmsg+0xcd/0x170 [ 8018.108994][ T10] do_syscall_64+0xc6/0x1e0 [ 8018.108994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8018.108994][ T10] [ 8018.110526][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8018.110526][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8018.110526][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8018.110526][ T10] ipv6_find_idev+0x102/0x170 [ 8018.110526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8018.110526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8018.110526][ T10] netlink_rcv_skb+0x130/0x360 [ 8018.110526][ T10] netlink_unicast+0x449/0x710 [ 8018.110526][ T10] netlink_sendmsg+0x723/0xbe0 [ 8018.110526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8018.110526][ T10] ___sys_sendmsg+0xee/0x170 [ 8018.110526][ T10] __sys_sendmsg+0xcd/0x170 [ 8018.110526][ T10] do_syscall_64+0xc6/0x1e0 [ 8018.110526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8018.110526][ T10] [ 8018.112195][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8018.112429][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8018.112429][ T10] netdev_get_by_index+0x5e/0x80 [ 8018.112429][ T10] fib6_nh_init+0x3d8/0x1580 [ 8018.112429][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8018.112429][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8018.112429][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8018.112429][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8018.112429][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8018.112429][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8018.112429][ T10] addrconf_dad_begin+0x310/0x670 [ 8018.112429][ T10] addrconf_dad_work+0x10b/0xab0 [ 8018.112429][ T10] process_one_work+0x84d/0x18a0 [ 8018.112429][ T10] worker_thread+0x587/0xd30 [ 8018.112429][ T10] kthread+0x28a/0x350 [ 8018.112429][ T10] ret_from_fork+0x31/0x70 [ 8018.112429][ T10] ret_from_fork_asm+0x1a/0x30 [ 8018.112429][ T10] [ 8018.114314][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8018.114314][ T10] netdev_get_by_index+0x5e/0x80 [ 8018.114314][ T10] fib6_nh_init+0x3d8/0x1580 [ 8018.114314][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8018.114314][ T10] ip6_route_add+0x1c/0x140 [ 8018.114314][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8018.114314][ T10] inet6_addr_add+0x4f8/0xa40 [ 8018.114314][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8018.114314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8018.114314][ T10] netlink_rcv_skb+0x130/0x360 [ 8018.114314][ T10] netlink_unicast+0x449/0x710 [ 8018.114314][ T10] netlink_sendmsg+0x723/0xbe0 [ 8018.114314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8018.114314][ T10] ___sys_sendmsg+0xee/0x170 [ 8018.114314][ T10] __sys_sendmsg+0xcd/0x170 [ 8018.114314][ T10] do_syscall_64+0xc6/0x1e0 [ 8018.114314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8018.114314][ T10] [ 8018.116491][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8018.116491][ T10] netdev_get_by_index+0x5e/0x80 [ 8018.116491][ T10] fib6_nh_init+0x3d8/0x1580 [ 8018.116491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8018.116491][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8018.116491][ T10] ipv6_add_addr+0x411/0x2000 [ 8018.116491][ T10] inet6_addr_add+0x30e/0xa40 [ 8018.116491][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8018.116491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8018.116491][ T10] netlink_rcv_skb+0x130/0x360 [ 8018.116491][ T10] netlink_unicast+0x449/0x710 [ 8018.116491][ T10] netlink_sendmsg+0x723/0xbe0 [ 8018.116491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8018.116491][ T10] ___sys_sendmsg+0xee/0x170 [ 8018.116491][ T10] __sys_sendmsg+0xcd/0x170 [ 8018.116491][ T10] do_syscall_64+0xc6/0x1e0 [ 8018.116491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8018.116491][ T10] [ 8018.118706][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8018.118706][ T10] netdev_get_by_index+0x5e/0x80 [ 8018.118706][ T10] fib6_nh_init+0x3d8/0x1580 [ 8018.118706][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8018.118706][ T10] ip6_route_add+0x1c/0x140 [ 8018.118706][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8018.118706][ T10] addrconf_add_dev+0xe2/0x170 [ 8018.118706][ T10] inet6_addr_add+0x12f/0xa40 [ 8018.118706][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8018.118706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8018.118706][ T10] netlink_rcv_skb+0x130/0x360 [ 8018.118706][ T10] netlink_unicast+0x449/0x710 [ 8018.118706][ T10] netlink_sendmsg+0x723/0xbe0 [ 8018.118706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8018.118706][ T10] ___sys_sendmsg+0xee/0x170 [ 8018.118706][ T10] __sys_sendmsg+0xcd/0x170 [ 8018.118706][ T10] do_syscall_64+0xc6/0x1e0 [ 8018.118706][ T10] [ 8018.120889][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8018.120889][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8018.120889][ T10] ipv6_find_idev+0x102/0x170 [ 8018.120889][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8018.120889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8018.120889][ T10] netlink_rcv_skb+0x130/0x360 [ 8018.120889][ T10] netlink_unicast+0x449/0x710 [ 8018.120889][ T10] netlink_sendmsg+0x723/0xbe0 [ 8018.120889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8018.120889][ T10] ___sys_sendmsg+0xee/0x170 [ 8018.120889][ T10] __sys_sendmsg+0xcd/0x170 [ 8018.120889][ T10] do_syscall_64+0xc6/0x1e0 [ 8018.120889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8018.120889][ T10] [ 8018.122655][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8018.122655][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8018.122655][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8018.122655][ T10] ipv6_find_idev+0x102/0x170 [ 8018.122655][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8018.122655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8018.122655][ T10] netlink_rcv_skb+0x130/0x360 [ 8018.122655][ T10] netlink_unicast+0x449/0x710 [ 8018.122655][ T10] netlink_sendmsg+0x723/0xbe0 [ 8018.122655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8018.122655][ T10] ___sys_sendmsg+0xee/0x170 [ 8018.122655][ T10] __sys_sendmsg+0xcd/0x170 [ 8018.122655][ T10] do_syscall_64+0xc6/0x1e0 [ 8018.122655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8018.122655][ T10] [ 8018.124431][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8018.124663][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8018.124663][ T10] netdev_get_by_index+0x5e/0x80 [ 8018.124663][ T10] fib6_nh_init+0x3d8/0x1580 [ 8018.124663][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8018.124663][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8018.124663][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8018.124663][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8018.124663][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8018.124663][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8018.124663][ T10] addrconf_dad_begin+0x310/0x670 [ 8018.124663][ T10] addrconf_dad_work+0x10b/0xab0 [ 8018.124663][ T10] process_one_work+0x84d/0x18a0 [ 8018.124663][ T10] worker_thread+0x587/0xd30 [ 8018.124663][ T10] kthread+0x28a/0x350 [ 8018.124663][ T10] ret_from_fork+0x31/0x70 [ 8018.124663][ T10] ret_from_fork_asm+0x1a/0x30 [ 8018.124663][ T10] [ 8018.126790][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8018.126790][ T10] netdev_get_by_index+0x5e/0x80 [ 8018.126790][ T10] fib6_nh_init+0x3d8/0x1580 [ 8018.126790][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8018.126790][ T10] ip6_route_add+0x1c/0x140 [ 8018.126790][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8018.126790][ T10] inet6_addr_add+0x4f8/0xa40 [ 8018.126790][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8018.126790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8018.126790][ T10] netlink_rcv_skb+0x130/0x360 [ 8018.126790][ T10] netlink_unicast+0x449/0x710 [ 8018.126790][ T10] netlink_sendmsg+0x723/0xbe0 [ 8018.126790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8018.126790][ T10] ___sys_sendmsg+0xee/0x170 [ 8018.126790][ T10] __sys_sendmsg+0xcd/0x170 [ 8018.126790][ T10] do_syscall_64+0xc6/0x1e0 [ 8018.126790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8018.126790][ T10] [ 8018.129005][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8018.129005][ T10] netdev_get_by_index+0x5e/0x80 [ 8018.129005][ T10] fib6_nh_init+0x3d8/0x1580 [ 8018.129005][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8018.129005][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8018.129005][ T10] ipv6_add_addr+0x411/0x2000 [ 8018.129005][ T10] inet6_addr_add+0x30e/0xa40 [ 8018.129005][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8018.129005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8018.129005][ T10] netlink_rcv_skb+0x130/0x360 [ 8018.129005][ T10] netlink_unicast+0x449/0x710 [ 8018.129005][ T10] netlink_sendmsg+0x723/0xbe0 [ 8018.129005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8018.129005][ T10] ___sys_sendmsg+0xee/0x170 [ 8018.129005][ T10] __sys_sendmsg+0xcd/0x170 [ 8018.129005][ T10] do_syscall_64+0xc6/0x1e0 [ 8018.129005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8018.129005][ T10] [ 8018.131292][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8018.131292][ T10] netdev_get_by_index+0x5e/0x80 [ 8018.131292][ T10] fib6_nh_init+0x3d8/0x1580 [ 8018.131292][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8018.131292][ T10] ip6_route_add+0x1c/0x140 [ 8018.131292][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8018.131292][ T10] addrconf_add_dev+0xe2/0x170 [ 8018.131292][ T10] inet6_addr_add+0x12f/0xa40 [ 8018.131292][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8018.131292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8018.131292][ T10] netlink_rcv_skb+0x130/0x360 [ 8018.131292][ T10] netlink_unicast+0x449/0x710 [ 8018.131292][ T10] netlink_sendmsg+0x723/0xbe0 [ 8018.131292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8018.131292][ T10] ___sys_sendmsg+0xee/0x170 [ 8018.131292][ T10] __sys_sendmsg+0xcd/0x170 [ 8018.131292][ T10] do_syscall_64+0xc6/0x1e0 [ 8018.131292][ T10] [ 8018.133415][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8018.133415][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8018.133415][ T10] ipv6_find_idev+0x102/0x170 [ 8018.133415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8018.133415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8018.133415][ T10] netlink_rcv_skb+0x130/0x360 [ 8018.133415][ T10] netlink_unicast+0x449/0x710 [ 8018.133415][ T10] netlink_sendmsg+0x723/0xbe0 [ 8018.133415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8018.133415][ T10] ___sys_sendmsg+0xee/0x170 [ 8018.133415][ T10] __sys_sendmsg+0xcd/0x170 [ 8018.133415][ T10] do_syscall_64+0xc6/0x1e0 [ 8018.133415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8018.133415][ T10] [ 8018.135123][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8018.135123][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8018.135123][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8018.135123][ T10] ipv6_find_idev+0x102/0x170 [ 8018.135123][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8018.135123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8018.135123][ T10] netlink_rcv_skb+0x130/0x360 [ 8018.135123][ T10] netlink_unicast+0x449/0x710 [ 8018.135123][ T10] netlink_sendmsg+0x723/0xbe0 [ 8018.135123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8018.135123][ T10] ___sys_sendmsg+0xee/0x170 [ 8018.135123][ T10] __sys_sendmsg+0xcd/0x170 [ 8018.135123][ T10] do_syscall_64+0xc6/0x1e0 [ 8018.135123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8018.135123][ T10] [ 8018.809121][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8018.809607][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8018.809607][ T1167] dst_init+0x84/0x4a0 [ 8018.809607][ T1167] dst_alloc+0x97/0x150 [ 8018.809607][ T1167] ip6_dst_alloc+0x23/0x90 [ 8018.809607][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8018.809607][ T1167] ip6_pol_route+0x56f/0x840 [ 8018.809607][ T1167] fib6_rule_lookup+0x334/0x630 [ 8018.809607][ T1167] ip6_route_output_flags+0x259/0x480 [ 8018.809607][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8018.809607][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8018.809607][ T1167] netlink_rcv_skb+0x130/0x360 [ 8018.809607][ T1167] netlink_unicast+0x449/0x710 [ 8018.809607][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8018.809607][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8018.809607][ T1167] ___sys_sendmsg+0xee/0x170 [ 8018.809607][ T1167] __sys_sendmsg+0xcd/0x170 [ 8018.809607][ T1167] do_syscall_64+0xc6/0x1e0 [ 8018.809607][ T1167] [ 8018.811843][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8018.811843][ T1167] netdev_get_by_index+0x5e/0x80 [ 8018.811843][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8018.811843][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8018.811843][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8018.811843][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8018.811843][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8018.811843][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8018.811843][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8018.811843][ T1167] addrconf_dad_begin+0x310/0x670 [ 8018.811843][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8018.811843][ T1167] process_one_work+0x84d/0x18a0 [ 8018.811843][ T1167] worker_thread+0x587/0xd30 [ 8018.811843][ T1167] kthread+0x28a/0x350 [ 8018.811843][ T1167] ret_from_fork+0x31/0x70 [ 8018.811843][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8018.811843][ T1167] [ 8018.813998][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8018.813998][ T1167] netdev_get_by_index+0x5e/0x80 [ 8018.813998][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8018.813998][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8018.813998][ T1167] ip6_route_add+0x1c/0x140 [ 8018.813998][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8018.813998][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8018.813998][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8018.813998][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8018.813998][ T1167] netlink_rcv_skb+0x130/0x360 [ 8018.813998][ T1167] netlink_unicast+0x449/0x710 [ 8018.813998][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8018.813998][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8018.813998][ T1167] ___sys_sendmsg+0xee/0x170 [ 8018.813998][ T1167] __sys_sendmsg+0xcd/0x170 [ 8018.813998][ T1167] do_syscall_64+0xc6/0x1e0 [ 8018.813998][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8018.813998][ T1167] [ 8018.816273][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8018.816273][ T1167] netdev_get_by_index+0x5e/0x80 [ 8018.816273][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8018.816273][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8018.816273][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8018.816273][ T1167] ipv6_add_addr+0x411/0x2000 [ 8018.816273][ T1167] inet6_addr_add+0x30e/0xa40 [ 8018.816273][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8018.816273][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8018.816273][ T1167] netlink_rcv_skb+0x130/0x360 [ 8018.816273][ T1167] netlink_unicast+0x449/0x710 [ 8018.816273][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8018.816273][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8018.816273][ T1167] ___sys_sendmsg+0xee/0x170 [ 8018.816273][ T1167] __sys_sendmsg+0xcd/0x170 [ 8018.816273][ T1167] do_syscall_64+0xc6/0x1e0 [ 8018.816273][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8018.816273][ T1167] [ 8018.818531][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8018.818531][ T1167] netdev_get_by_index+0x5e/0x80 [ 8018.818531][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8018.818531][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8018.818531][ T1167] ip6_route_add+0x1c/0x140 [ 8018.818531][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8018.818531][ T1167] addrconf_add_dev+0xe2/0x170 [ 8018.818531][ T1167] inet6_addr_add+0x12f/0xa40 [ 8018.818531][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8018.818531][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8018.818531][ T1167] netlink_rcv_skb+0x130/0x360 [ 8018.818531][ T1167] netlink_unicast+0x449/0x710 [ 8018.818531][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8018.818531][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8018.818531][ T1167] ___sys_sendmsg+0xee/0x170 [ 8018.818531][ T1167] __sys_sendmsg+0xcd/0x170 [ 8018.818531][ T1167] do_syscall_64+0xc6/0x1e0 [ 8018.818531][ T1167] [ 8018.820751][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8018.820751][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8018.820751][ T1167] ipv6_find_idev+0x102/0x170 [ 8018.820751][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8018.820751][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8018.820751][ T1167] netlink_rcv_skb+0x130/0x360 [ 8018.820751][ T1167] netlink_unicast+0x449/0x710 [ 8018.820751][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8018.820751][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8018.820751][ T1167] ___sys_sendmsg+0xee/0x170 [ 8018.820751][ T1167] __sys_sendmsg+0xcd/0x170 [ 8018.820751][ T1167] do_syscall_64+0xc6/0x1e0 [ 8018.820751][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8018.820751][ T1167] [ 8018.822485][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8018.822485][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8018.822485][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8018.822485][ T1167] ipv6_find_idev+0x102/0x170 [ 8018.822485][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8018.822485][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8018.822485][ T1167] netlink_rcv_skb+0x130/0x360 [ 8018.822485][ T1167] netlink_unicast+0x449/0x710 [ 8018.822485][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8018.822485][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8018.822485][ T1167] ___sys_sendmsg+0xee/0x170 [ 8018.822485][ T1167] __sys_sendmsg+0xcd/0x170 [ 8018.822485][ T1167] do_syscall_64+0xc6/0x1e0 [ 8018.822485][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8018.822485][ T1167] [ 8028.377107][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8028.377461][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8028.377461][ T10] netdev_get_by_index+0x5e/0x80 [ 8028.377461][ T10] fib6_nh_init+0x3d8/0x1580 [ 8028.377461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8028.377461][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8028.377461][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8028.377461][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8028.377461][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8028.377461][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8028.377461][ T10] addrconf_dad_begin+0x310/0x670 [ 8028.377461][ T10] addrconf_dad_work+0x10b/0xab0 [ 8028.377461][ T10] process_one_work+0x84d/0x18a0 [ 8028.377461][ T10] worker_thread+0x587/0xd30 [ 8028.377461][ T10] kthread+0x28a/0x350 [ 8028.377461][ T10] ret_from_fork+0x31/0x70 [ 8028.377461][ T10] ret_from_fork_asm+0x1a/0x30 [ 8028.377461][ T10] [ 8028.379396][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8028.379396][ T10] netdev_get_by_index+0x5e/0x80 [ 8028.379396][ T10] fib6_nh_init+0x3d8/0x1580 [ 8028.379396][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8028.379396][ T10] ip6_route_add+0x1c/0x140 [ 8028.379396][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8028.379396][ T10] inet6_addr_add+0x4f8/0xa40 [ 8028.379396][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8028.379396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8028.379396][ T10] netlink_rcv_skb+0x130/0x360 [ 8028.379396][ T10] netlink_unicast+0x449/0x710 [ 8028.379396][ T10] netlink_sendmsg+0x723/0xbe0 [ 8028.379396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8028.379396][ T10] ___sys_sendmsg+0xee/0x170 [ 8028.379396][ T10] __sys_sendmsg+0xcd/0x170 [ 8028.379396][ T10] do_syscall_64+0xc6/0x1e0 [ 8028.379396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8028.379396][ T10] [ 8028.381402][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8028.381402][ T10] netdev_get_by_index+0x5e/0x80 [ 8028.381402][ T10] fib6_nh_init+0x3d8/0x1580 [ 8028.381402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8028.381402][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8028.381402][ T10] ipv6_add_addr+0x411/0x2000 [ 8028.381402][ T10] inet6_addr_add+0x30e/0xa40 [ 8028.381402][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8028.381402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8028.381402][ T10] netlink_rcv_skb+0x130/0x360 [ 8028.381402][ T10] netlink_unicast+0x449/0x710 [ 8028.381402][ T10] netlink_sendmsg+0x723/0xbe0 [ 8028.381402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8028.381402][ T10] ___sys_sendmsg+0xee/0x170 [ 8028.381402][ T10] __sys_sendmsg+0xcd/0x170 [ 8028.381402][ T10] do_syscall_64+0xc6/0x1e0 [ 8028.381402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8028.381402][ T10] [ 8028.383382][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8028.383382][ T10] netdev_get_by_index+0x5e/0x80 [ 8028.383382][ T10] fib6_nh_init+0x3d8/0x1580 [ 8028.383382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8028.383382][ T10] ip6_route_add+0x1c/0x140 [ 8028.383382][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8028.383382][ T10] addrconf_add_dev+0xe2/0x170 [ 8028.383382][ T10] inet6_addr_add+0x12f/0xa40 [ 8028.383382][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8028.383382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8028.383382][ T10] netlink_rcv_skb+0x130/0x360 [ 8028.383382][ T10] netlink_unicast+0x449/0x710 [ 8028.383382][ T10] netlink_sendmsg+0x723/0xbe0 [ 8028.383382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8028.383382][ T10] ___sys_sendmsg+0xee/0x170 [ 8028.383382][ T10] __sys_sendmsg+0xcd/0x170 [ 8028.383382][ T10] do_syscall_64+0xc6/0x1e0 [ 8028.383382][ T10] [ 8028.385328][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8028.385328][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8028.385328][ T10] ipv6_find_idev+0x102/0x170 [ 8028.385328][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8028.385328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8028.385328][ T10] netlink_rcv_skb+0x130/0x360 [ 8028.385328][ T10] netlink_unicast+0x449/0x710 [ 8028.385328][ T10] netlink_sendmsg+0x723/0xbe0 [ 8028.385328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8028.385328][ T10] ___sys_sendmsg+0xee/0x170 [ 8028.385328][ T10] __sys_sendmsg+0xcd/0x170 [ 8028.385328][ T10] do_syscall_64+0xc6/0x1e0 [ 8028.385328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8028.385328][ T10] [ 8028.386862][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8028.386862][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8028.386862][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8028.386862][ T10] ipv6_find_idev+0x102/0x170 [ 8028.386862][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8028.386862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8028.386862][ T10] netlink_rcv_skb+0x130/0x360 [ 8028.386862][ T10] netlink_unicast+0x449/0x710 [ 8028.386862][ T10] netlink_sendmsg+0x723/0xbe0 [ 8028.386862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8028.386862][ T10] ___sys_sendmsg+0xee/0x170 [ 8028.386862][ T10] __sys_sendmsg+0xcd/0x170 [ 8028.386862][ T10] do_syscall_64+0xc6/0x1e0 [ 8028.386862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8028.386862][ T10] [ 8028.388534][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8028.388814][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8028.388814][ T10] netdev_get_by_index+0x5e/0x80 [ 8028.388814][ T10] fib6_nh_init+0x3d8/0x1580 [ 8028.388814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8028.388814][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8028.388814][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8028.388814][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8028.388814][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8028.388814][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8028.388814][ T10] addrconf_dad_begin+0x310/0x670 [ 8028.388814][ T10] addrconf_dad_work+0x10b/0xab0 [ 8028.388814][ T10] process_one_work+0x84d/0x18a0 [ 8028.388814][ T10] worker_thread+0x587/0xd30 [ 8028.388814][ T10] kthread+0x28a/0x350 [ 8028.388814][ T10] ret_from_fork+0x31/0x70 [ 8028.388814][ T10] ret_from_fork_asm+0x1a/0x30 [ 8028.388814][ T10] [ 8028.390711][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8028.390711][ T10] netdev_get_by_index+0x5e/0x80 [ 8028.390711][ T10] fib6_nh_init+0x3d8/0x1580 [ 8028.390711][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8028.390711][ T10] ip6_route_add+0x1c/0x140 [ 8028.390711][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8028.390711][ T10] inet6_addr_add+0x4f8/0xa40 [ 8028.390711][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8028.390711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8028.390711][ T10] netlink_rcv_skb+0x130/0x360 [ 8028.390711][ T10] netlink_unicast+0x449/0x710 [ 8028.390711][ T10] netlink_sendmsg+0x723/0xbe0 [ 8028.390711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8028.390711][ T10] ___sys_sendmsg+0xee/0x170 [ 8028.390711][ T10] __sys_sendmsg+0xcd/0x170 [ 8028.390711][ T10] do_syscall_64+0xc6/0x1e0 [ 8028.390711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8028.390711][ T10] [ 8028.392692][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8028.392692][ T10] netdev_get_by_index+0x5e/0x80 [ 8028.392692][ T10] fib6_nh_init+0x3d8/0x1580 [ 8028.392692][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8028.392692][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8028.392692][ T10] ipv6_add_addr+0x411/0x2000 [ 8028.392692][ T10] inet6_addr_add+0x30e/0xa40 [ 8028.392692][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8028.392692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8028.392692][ T10] netlink_rcv_skb+0x130/0x360 [ 8028.392692][ T10] netlink_unicast+0x449/0x710 [ 8028.392692][ T10] netlink_sendmsg+0x723/0xbe0 [ 8028.392692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8028.392692][ T10] ___sys_sendmsg+0xee/0x170 [ 8028.392692][ T10] __sys_sendmsg+0xcd/0x170 [ 8028.392692][ T10] do_syscall_64+0xc6/0x1e0 [ 8028.392692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8028.392692][ T10] [ 8028.394675][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8028.394675][ T10] netdev_get_by_index+0x5e/0x80 [ 8028.394675][ T10] fib6_nh_init+0x3d8/0x1580 [ 8028.394675][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8028.394675][ T10] ip6_route_add+0x1c/0x140 [ 8028.394675][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8028.394675][ T10] addrconf_add_dev+0xe2/0x170 [ 8028.394675][ T10] inet6_addr_add+0x12f/0xa40 [ 8028.394675][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8028.394675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8028.394675][ T10] netlink_rcv_skb+0x130/0x360 [ 8028.394675][ T10] netlink_unicast+0x449/0x710 [ 8028.394675][ T10] netlink_sendmsg+0x723/0xbe0 [ 8028.394675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8028.394675][ T10] ___sys_sendmsg+0xee/0x170 [ 8028.394675][ T10] __sys_sendmsg+0xcd/0x170 [ 8028.394675][ T10] do_syscall_64+0xc6/0x1e0 [ 8028.394675][ T10] [ 8028.396629][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8028.396629][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8028.396629][ T10] ipv6_find_idev+0x102/0x170 [ 8028.396629][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8028.396629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8028.396629][ T10] netlink_rcv_skb+0x130/0x360 [ 8028.396629][ T10] netlink_unicast+0x449/0x710 [ 8028.396629][ T10] netlink_sendmsg+0x723/0xbe0 [ 8028.396629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8028.396629][ T10] ___sys_sendmsg+0xee/0x170 [ 8028.396629][ T10] __sys_sendmsg+0xcd/0x170 [ 8028.396629][ T10] do_syscall_64+0xc6/0x1e0 [ 8028.396629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8028.396629][ T10] [ 8028.398157][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8028.398157][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8028.398157][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8028.398157][ T10] ipv6_find_idev+0x102/0x170 [ 8028.398157][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8028.398157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8028.398157][ T10] netlink_rcv_skb+0x130/0x360 [ 8028.398157][ T10] netlink_unicast+0x449/0x710 [ 8028.398157][ T10] netlink_sendmsg+0x723/0xbe0 [ 8028.398157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8028.398157][ T10] ___sys_sendmsg+0xee/0x170 [ 8028.398157][ T10] __sys_sendmsg+0xcd/0x170 [ 8028.398157][ T10] do_syscall_64+0xc6/0x1e0 [ 8028.398157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8028.398157][ T10] [ 8028.399823][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8028.400072][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8028.400072][ T10] netdev_get_by_index+0x5e/0x80 [ 8028.400072][ T10] fib6_nh_init+0x3d8/0x1580 [ 8028.400072][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8028.400072][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8028.400072][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8028.400072][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8028.400072][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8028.400072][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8028.400072][ T10] addrconf_dad_begin+0x310/0x670 [ 8028.400072][ T10] addrconf_dad_work+0x10b/0xab0 [ 8028.400072][ T10] process_one_work+0x84d/0x18a0 [ 8028.400072][ T10] worker_thread+0x587/0xd30 [ 8028.400072][ T10] kthread+0x28a/0x350 [ 8028.400072][ T10] ret_from_fork+0x31/0x70 [ 8028.400072][ T10] ret_from_fork_asm+0x1a/0x30 [ 8028.400072][ T10] [ 8028.401965][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8028.401965][ T10] netdev_get_by_index+0x5e/0x80 [ 8028.401965][ T10] fib6_nh_init+0x3d8/0x1580 [ 8028.401965][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8028.401965][ T10] ip6_route_add+0x1c/0x140 [ 8028.401965][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8028.401965][ T10] inet6_addr_add+0x4f8/0xa40 [ 8028.401965][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8028.401965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8028.401965][ T10] netlink_rcv_skb+0x130/0x360 [ 8028.401965][ T10] netlink_unicast+0x449/0x710 [ 8028.401965][ T10] netlink_sendmsg+0x723/0xbe0 [ 8028.401965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8028.401965][ T10] ___sys_sendmsg+0xee/0x170 [ 8028.401965][ T10] __sys_sendmsg+0xcd/0x170 [ 8028.401965][ T10] do_syscall_64+0xc6/0x1e0 [ 8028.401965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8028.401965][ T10] [ 8028.404119][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8028.404119][ T10] netdev_get_by_index+0x5e/0x80 [ 8028.404119][ T10] fib6_nh_init+0x3d8/0x1580 [ 8028.404119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8028.404119][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8028.404119][ T10] ipv6_add_addr+0x411/0x2000 [ 8028.404119][ T10] inet6_addr_add+0x30e/0xa40 [ 8028.404119][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8028.404119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8028.404119][ T10] netlink_rcv_skb+0x130/0x360 [ 8028.404119][ T10] netlink_unicast+0x449/0x710 [ 8028.404119][ T10] netlink_sendmsg+0x723/0xbe0 [ 8028.404119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8028.404119][ T10] ___sys_sendmsg+0xee/0x170 [ 8028.404119][ T10] __sys_sendmsg+0xcd/0x170 [ 8028.404119][ T10] do_syscall_64+0xc6/0x1e0 [ 8028.404119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8028.404119][ T10] [ 8028.406338][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8028.406338][ T10] netdev_get_by_index+0x5e/0x80 [ 8028.406338][ T10] fib6_nh_init+0x3d8/0x1580 [ 8028.406338][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8028.406338][ T10] ip6_route_add+0x1c/0x140 [ 8028.406338][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8028.406338][ T10] addrconf_add_dev+0xe2/0x170 [ 8028.406338][ T10] inet6_addr_add+0x12f/0xa40 [ 8028.406338][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8028.406338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8028.406338][ T10] netlink_rcv_skb+0x130/0x360 [ 8028.406338][ T10] netlink_unicast+0x449/0x710 [ 8028.406338][ T10] netlink_sendmsg+0x723/0xbe0 [ 8028.406338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8028.406338][ T10] ___sys_sendmsg+0xee/0x170 [ 8028.406338][ T10] __sys_sendmsg+0xcd/0x170 [ 8028.406338][ T10] do_syscall_64+0xc6/0x1e0 [ 8028.406338][ T10] [ 8028.408577][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8028.408577][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8028.408577][ T10] ipv6_find_idev+0x102/0x170 [ 8028.408577][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8028.408577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8028.408577][ T10] netlink_rcv_skb+0x130/0x360 [ 8028.408577][ T10] netlink_unicast+0x449/0x710 [ 8028.408577][ T10] netlink_sendmsg+0x723/0xbe0 [ 8028.408577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8028.408577][ T10] ___sys_sendmsg+0xee/0x170 [ 8028.408577][ T10] __sys_sendmsg+0xcd/0x170 [ 8028.408577][ T10] do_syscall_64+0xc6/0x1e0 [ 8028.408577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8028.408577][ T10] [ 8028.410276][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8028.410276][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8028.410276][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8028.410276][ T10] ipv6_find_idev+0x102/0x170 [ 8028.410276][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8028.410276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8028.410276][ T10] netlink_rcv_skb+0x130/0x360 [ 8028.410276][ T10] netlink_unicast+0x449/0x710 [ 8028.410276][ T10] netlink_sendmsg+0x723/0xbe0 [ 8028.410276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8028.410276][ T10] ___sys_sendmsg+0xee/0x170 [ 8028.410276][ T10] __sys_sendmsg+0xcd/0x170 [ 8028.410276][ T10] do_syscall_64+0xc6/0x1e0 [ 8028.410276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8028.410276][ T10] [ 8028.412123][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8028.412355][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8028.412355][ T10] netdev_get_by_index+0x5e/0x80 [ 8028.412355][ T10] fib6_nh_init+0x3d8/0x1580 [ 8028.412355][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8028.412355][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8028.412355][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8028.412355][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8028.412355][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8028.412355][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8028.412355][ T10] addrconf_dad_begin+0x310/0x670 [ 8028.412355][ T10] addrconf_dad_work+0x10b/0xab0 [ 8028.412355][ T10] process_one_work+0x84d/0x18a0 [ 8028.412355][ T10] worker_thread+0x587/0xd30 [ 8028.412355][ T10] kthread+0x28a/0x350 [ 8028.412355][ T10] ret_from_fork+0x31/0x70 [ 8028.412355][ T10] ret_from_fork_asm+0x1a/0x30 [ 8028.412355][ T10] [ 8028.414477][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8028.414477][ T10] netdev_get_by_index+0x5e/0x80 [ 8028.414477][ T10] fib6_nh_init+0x3d8/0x1580 [ 8028.414477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8028.414477][ T10] ip6_route_add+0x1c/0x140 [ 8028.414477][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8028.414477][ T10] inet6_addr_add+0x4f8/0xa40 [ 8028.414477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8028.414477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8028.414477][ T10] netlink_rcv_skb+0x130/0x360 [ 8028.414477][ T10] netlink_unicast+0x449/0x710 [ 8028.414477][ T10] netlink_sendmsg+0x723/0xbe0 [ 8028.414477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8028.414477][ T10] ___sys_sendmsg+0xee/0x170 [ 8028.414477][ T10] __sys_sendmsg+0xcd/0x170 [ 8028.414477][ T10] do_syscall_64+0xc6/0x1e0 [ 8028.414477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8028.414477][ T10] [ 8028.416745][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8028.416745][ T10] netdev_get_by_index+0x5e/0x80 [ 8028.416745][ T10] fib6_nh_init+0x3d8/0x1580 [ 8028.416745][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8028.416745][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8028.416745][ T10] ipv6_add_addr+0x411/0x2000 [ 8028.416745][ T10] inet6_addr_add+0x30e/0xa40 [ 8028.416745][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8028.416745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8028.416745][ T10] netlink_rcv_skb+0x130/0x360 [ 8028.416745][ T10] netlink_unicast+0x449/0x710 [ 8028.416745][ T10] netlink_sendmsg+0x723/0xbe0 [ 8028.416745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8028.416745][ T10] ___sys_sendmsg+0xee/0x170 [ 8028.416745][ T10] __sys_sendmsg+0xcd/0x170 [ 8028.416745][ T10] do_syscall_64+0xc6/0x1e0 [ 8028.416745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8028.416745][ T10] [ 8028.418954][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8028.418954][ T10] netdev_get_by_index+0x5e/0x80 [ 8028.418954][ T10] fib6_nh_init+0x3d8/0x1580 [ 8028.418954][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8028.418954][ T10] ip6_route_add+0x1c/0x140 [ 8028.418954][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8028.418954][ T10] addrconf_add_dev+0xe2/0x170 [ 8028.418954][ T10] inet6_addr_add+0x12f/0xa40 [ 8028.418954][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8028.418954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8028.418954][ T10] netlink_rcv_skb+0x130/0x360 [ 8028.418954][ T10] netlink_unicast+0x449/0x710 [ 8028.418954][ T10] netlink_sendmsg+0x723/0xbe0 [ 8028.418954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8028.418954][ T10] ___sys_sendmsg+0xee/0x170 [ 8028.418954][ T10] __sys_sendmsg+0xcd/0x170 [ 8028.418954][ T10] do_syscall_64+0xc6/0x1e0 [ 8028.418954][ T10] [ 8028.421075][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8028.421075][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8028.421075][ T10] ipv6_find_idev+0x102/0x170 [ 8028.421075][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8028.421075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8028.421075][ T10] netlink_rcv_skb+0x130/0x360 [ 8028.421075][ T10] netlink_unicast+0x449/0x710 [ 8028.421075][ T10] netlink_sendmsg+0x723/0xbe0 [ 8028.421075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8028.421075][ T10] ___sys_sendmsg+0xee/0x170 [ 8028.421075][ T10] __sys_sendmsg+0xcd/0x170 [ 8028.421075][ T10] do_syscall_64+0xc6/0x1e0 [ 8028.421075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8028.421075][ T10] [ 8028.422767][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8028.422767][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8028.422767][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8028.422767][ T10] ipv6_find_idev+0x102/0x170 [ 8028.422767][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8028.422767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8028.422767][ T10] netlink_rcv_skb+0x130/0x360 [ 8028.422767][ T10] netlink_unicast+0x449/0x710 [ 8028.422767][ T10] netlink_sendmsg+0x723/0xbe0 [ 8028.422767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8028.422767][ T10] ___sys_sendmsg+0xee/0x170 [ 8028.422767][ T10] __sys_sendmsg+0xcd/0x170 [ 8028.422767][ T10] do_syscall_64+0xc6/0x1e0 [ 8028.422767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8028.422767][ T10] [ 8029.073114][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8029.073607][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8029.073607][ T1167] dst_init+0x84/0x4a0 [ 8029.073607][ T1167] dst_alloc+0x97/0x150 [ 8029.073607][ T1167] ip6_dst_alloc+0x23/0x90 [ 8029.073607][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8029.073607][ T1167] ip6_pol_route+0x56f/0x840 [ 8029.073607][ T1167] fib6_rule_lookup+0x334/0x630 [ 8029.073607][ T1167] ip6_route_output_flags+0x259/0x480 [ 8029.073607][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8029.073607][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8029.073607][ T1167] netlink_rcv_skb+0x130/0x360 [ 8029.073607][ T1167] netlink_unicast+0x449/0x710 [ 8029.073607][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8029.073607][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8029.073607][ T1167] ___sys_sendmsg+0xee/0x170 [ 8029.073607][ T1167] __sys_sendmsg+0xcd/0x170 [ 8029.073607][ T1167] do_syscall_64+0xc6/0x1e0 [ 8029.073607][ T1167] [ 8029.075826][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8029.075826][ T1167] netdev_get_by_index+0x5e/0x80 [ 8029.075826][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8029.075826][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8029.075826][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8029.075826][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8029.075826][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8029.075826][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8029.075826][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8029.075826][ T1167] addrconf_dad_begin+0x310/0x670 [ 8029.075826][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8029.075826][ T1167] process_one_work+0x84d/0x18a0 [ 8029.075826][ T1167] worker_thread+0x587/0xd30 [ 8029.075826][ T1167] kthread+0x28a/0x350 [ 8029.075826][ T1167] ret_from_fork+0x31/0x70 [ 8029.075826][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8029.075826][ T1167] [ 8029.077981][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8029.077981][ T1167] netdev_get_by_index+0x5e/0x80 [ 8029.077981][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8029.077981][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8029.077981][ T1167] ip6_route_add+0x1c/0x140 [ 8029.077981][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8029.077981][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8029.077981][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8029.077981][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8029.077981][ T1167] netlink_rcv_skb+0x130/0x360 [ 8029.077981][ T1167] netlink_unicast+0x449/0x710 [ 8029.077981][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8029.077981][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8029.077981][ T1167] ___sys_sendmsg+0xee/0x170 [ 8029.077981][ T1167] __sys_sendmsg+0xcd/0x170 [ 8029.077981][ T1167] do_syscall_64+0xc6/0x1e0 [ 8029.077981][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8029.077981][ T1167] [ 8029.080241][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8029.080241][ T1167] netdev_get_by_index+0x5e/0x80 [ 8029.080241][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8029.080241][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8029.080241][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8029.080241][ T1167] ipv6_add_addr+0x411/0x2000 [ 8029.080241][ T1167] inet6_addr_add+0x30e/0xa40 [ 8029.080241][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8029.080241][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8029.080241][ T1167] netlink_rcv_skb+0x130/0x360 [ 8029.080241][ T1167] netlink_unicast+0x449/0x710 [ 8029.080241][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8029.080241][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8029.080241][ T1167] ___sys_sendmsg+0xee/0x170 [ 8029.080241][ T1167] __sys_sendmsg+0xcd/0x170 [ 8029.080241][ T1167] do_syscall_64+0xc6/0x1e0 [ 8029.080241][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8029.080241][ T1167] [ 8029.082506][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8029.082506][ T1167] netdev_get_by_index+0x5e/0x80 [ 8029.082506][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8029.082506][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8029.082506][ T1167] ip6_route_add+0x1c/0x140 [ 8029.082506][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8029.082506][ T1167] addrconf_add_dev+0xe2/0x170 [ 8029.082506][ T1167] inet6_addr_add+0x12f/0xa40 [ 8029.082506][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8029.082506][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8029.082506][ T1167] netlink_rcv_skb+0x130/0x360 [ 8029.082506][ T1167] netlink_unicast+0x449/0x710 [ 8029.082506][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8029.082506][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8029.082506][ T1167] ___sys_sendmsg+0xee/0x170 [ 8029.082506][ T1167] __sys_sendmsg+0xcd/0x170 [ 8029.082506][ T1167] do_syscall_64+0xc6/0x1e0 [ 8029.082506][ T1167] [ 8029.085237][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8029.085237][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8029.085237][ T1167] ipv6_find_idev+0x102/0x170 [ 8029.085237][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8029.085237][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8029.085237][ T1167] netlink_rcv_skb+0x130/0x360 [ 8029.085237][ T1167] netlink_unicast+0x449/0x710 [ 8029.085237][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8029.085237][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8029.085237][ T1167] ___sys_sendmsg+0xee/0x170 [ 8029.085237][ T1167] __sys_sendmsg+0xcd/0x170 [ 8029.085237][ T1167] do_syscall_64+0xc6/0x1e0 [ 8029.085237][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8029.085237][ T1167] [ 8029.086975][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8029.086975][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8029.086975][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8029.086975][ T1167] ipv6_find_idev+0x102/0x170 [ 8029.086975][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8029.086975][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8029.086975][ T1167] netlink_rcv_skb+0x130/0x360 [ 8029.086975][ T1167] netlink_unicast+0x449/0x710 [ 8029.086975][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8029.086975][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8029.086975][ T1167] ___sys_sendmsg+0xee/0x170 [ 8029.086975][ T1167] __sys_sendmsg+0xcd/0x170 [ 8029.086975][ T1167] do_syscall_64+0xc6/0x1e0 [ 8029.086975][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8029.086975][ T1167] [ 8038.665049][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8038.665458][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8038.665458][ T10] netdev_get_by_index+0x5e/0x80 [ 8038.665458][ T10] fib6_nh_init+0x3d8/0x1580 [ 8038.665458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8038.665458][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8038.665458][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8038.665458][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8038.665458][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8038.665458][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8038.665458][ T10] addrconf_dad_begin+0x310/0x670 [ 8038.665458][ T10] addrconf_dad_work+0x10b/0xab0 [ 8038.665458][ T10] process_one_work+0x84d/0x18a0 [ 8038.665458][ T10] worker_thread+0x587/0xd30 [ 8038.665458][ T10] kthread+0x28a/0x350 [ 8038.665458][ T10] ret_from_fork+0x31/0x70 [ 8038.665458][ T10] ret_from_fork_asm+0x1a/0x30 [ 8038.665458][ T10] [ 8038.667384][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8038.667384][ T10] netdev_get_by_index+0x5e/0x80 [ 8038.667384][ T10] fib6_nh_init+0x3d8/0x1580 [ 8038.667384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8038.667384][ T10] ip6_route_add+0x1c/0x140 [ 8038.667384][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8038.667384][ T10] inet6_addr_add+0x4f8/0xa40 [ 8038.667384][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8038.667384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8038.667384][ T10] netlink_rcv_skb+0x130/0x360 [ 8038.667384][ T10] netlink_unicast+0x449/0x710 [ 8038.667384][ T10] netlink_sendmsg+0x723/0xbe0 [ 8038.667384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8038.667384][ T10] ___sys_sendmsg+0xee/0x170 [ 8038.667384][ T10] __sys_sendmsg+0xcd/0x170 [ 8038.667384][ T10] do_syscall_64+0xc6/0x1e0 [ 8038.667384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8038.667384][ T10] [ 8038.669366][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8038.669366][ T10] netdev_get_by_index+0x5e/0x80 [ 8038.669366][ T10] fib6_nh_init+0x3d8/0x1580 [ 8038.669366][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8038.669366][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8038.669366][ T10] ipv6_add_addr+0x411/0x2000 [ 8038.669366][ T10] inet6_addr_add+0x30e/0xa40 [ 8038.669366][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8038.669366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8038.669366][ T10] netlink_rcv_skb+0x130/0x360 [ 8038.669366][ T10] netlink_unicast+0x449/0x710 [ 8038.669366][ T10] netlink_sendmsg+0x723/0xbe0 [ 8038.669366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8038.669366][ T10] ___sys_sendmsg+0xee/0x170 [ 8038.669366][ T10] __sys_sendmsg+0xcd/0x170 [ 8038.669366][ T10] do_syscall_64+0xc6/0x1e0 [ 8038.669366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8038.669366][ T10] [ 8038.671366][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8038.671366][ T10] netdev_get_by_index+0x5e/0x80 [ 8038.671366][ T10] fib6_nh_init+0x3d8/0x1580 [ 8038.671366][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8038.671366][ T10] ip6_route_add+0x1c/0x140 [ 8038.671366][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8038.671366][ T10] addrconf_add_dev+0xe2/0x170 [ 8038.671366][ T10] inet6_addr_add+0x12f/0xa40 [ 8038.671366][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8038.671366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8038.671366][ T10] netlink_rcv_skb+0x130/0x360 [ 8038.671366][ T10] netlink_unicast+0x449/0x710 [ 8038.671366][ T10] netlink_sendmsg+0x723/0xbe0 [ 8038.671366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8038.671366][ T10] ___sys_sendmsg+0xee/0x170 [ 8038.671366][ T10] __sys_sendmsg+0xcd/0x170 [ 8038.671366][ T10] do_syscall_64+0xc6/0x1e0 [ 8038.671366][ T10] [ 8038.673306][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8038.673306][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8038.673306][ T10] ipv6_find_idev+0x102/0x170 [ 8038.673306][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8038.673306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8038.673306][ T10] netlink_rcv_skb+0x130/0x360 [ 8038.673306][ T10] netlink_unicast+0x449/0x710 [ 8038.673306][ T10] netlink_sendmsg+0x723/0xbe0 [ 8038.673306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8038.673306][ T10] ___sys_sendmsg+0xee/0x170 [ 8038.673306][ T10] __sys_sendmsg+0xcd/0x170 [ 8038.673306][ T10] do_syscall_64+0xc6/0x1e0 [ 8038.673306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8038.673306][ T10] [ 8038.674828][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8038.674828][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8038.674828][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8038.674828][ T10] ipv6_find_idev+0x102/0x170 [ 8038.674828][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8038.674828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8038.674828][ T10] netlink_rcv_skb+0x130/0x360 [ 8038.674828][ T10] netlink_unicast+0x449/0x710 [ 8038.674828][ T10] netlink_sendmsg+0x723/0xbe0 [ 8038.674828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8038.674828][ T10] ___sys_sendmsg+0xee/0x170 [ 8038.674828][ T10] __sys_sendmsg+0xcd/0x170 [ 8038.674828][ T10] do_syscall_64+0xc6/0x1e0 [ 8038.674828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8038.674828][ T10] [ 8038.676498][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8038.676734][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8038.676734][ T10] netdev_get_by_index+0x5e/0x80 [ 8038.676734][ T10] fib6_nh_init+0x3d8/0x1580 [ 8038.676734][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8038.676734][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8038.676734][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8038.676734][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8038.676734][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8038.676734][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8038.676734][ T10] addrconf_dad_begin+0x310/0x670 [ 8038.676734][ T10] addrconf_dad_work+0x10b/0xab0 [ 8038.676734][ T10] process_one_work+0x84d/0x18a0 [ 8038.676734][ T10] worker_thread+0x587/0xd30 [ 8038.676734][ T10] kthread+0x28a/0x350 [ 8038.676734][ T10] ret_from_fork+0x31/0x70 [ 8038.676734][ T10] ret_from_fork_asm+0x1a/0x30 [ 8038.676734][ T10] [ 8038.678625][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8038.678625][ T10] netdev_get_by_index+0x5e/0x80 [ 8038.678625][ T10] fib6_nh_init+0x3d8/0x1580 [ 8038.678625][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8038.678625][ T10] ip6_route_add+0x1c/0x140 [ 8038.678625][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8038.678625][ T10] inet6_addr_add+0x4f8/0xa40 [ 8038.678625][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8038.678625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8038.678625][ T10] netlink_rcv_skb+0x130/0x360 [ 8038.678625][ T10] netlink_unicast+0x449/0x710 [ 8038.678625][ T10] netlink_sendmsg+0x723/0xbe0 [ 8038.678625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8038.678625][ T10] ___sys_sendmsg+0xee/0x170 [ 8038.678625][ T10] __sys_sendmsg+0xcd/0x170 [ 8038.678625][ T10] do_syscall_64+0xc6/0x1e0 [ 8038.678625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8038.678625][ T10] [ 8038.680605][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8038.680605][ T10] netdev_get_by_index+0x5e/0x80 [ 8038.680605][ T10] fib6_nh_init+0x3d8/0x1580 [ 8038.680605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8038.680605][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8038.680605][ T10] ipv6_add_addr+0x411/0x2000 [ 8038.680605][ T10] inet6_addr_add+0x30e/0xa40 [ 8038.680605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8038.680605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8038.680605][ T10] netlink_rcv_skb+0x130/0x360 [ 8038.680605][ T10] netlink_unicast+0x449/0x710 [ 8038.680605][ T10] netlink_sendmsg+0x723/0xbe0 [ 8038.680605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8038.680605][ T10] ___sys_sendmsg+0xee/0x170 [ 8038.680605][ T10] __sys_sendmsg+0xcd/0x170 [ 8038.680605][ T10] do_syscall_64+0xc6/0x1e0 [ 8038.680605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8038.680605][ T10] [ 8038.682573][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8038.682573][ T10] netdev_get_by_index+0x5e/0x80 [ 8038.682573][ T10] fib6_nh_init+0x3d8/0x1580 [ 8038.682573][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8038.682573][ T10] ip6_route_add+0x1c/0x140 [ 8038.682573][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8038.682573][ T10] addrconf_add_dev+0xe2/0x170 [ 8038.682573][ T10] inet6_addr_add+0x12f/0xa40 [ 8038.682573][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8038.682573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8038.682573][ T10] netlink_rcv_skb+0x130/0x360 [ 8038.682573][ T10] netlink_unicast+0x449/0x710 [ 8038.682573][ T10] netlink_sendmsg+0x723/0xbe0 [ 8038.682573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8038.682573][ T10] ___sys_sendmsg+0xee/0x170 [ 8038.682573][ T10] __sys_sendmsg+0xcd/0x170 [ 8038.682573][ T10] do_syscall_64+0xc6/0x1e0 [ 8038.682573][ T10] [ 8038.684510][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8038.684510][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8038.684510][ T10] ipv6_find_idev+0x102/0x170 [ 8038.684510][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8038.684510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8038.684510][ T10] netlink_rcv_skb+0x130/0x360 [ 8038.684510][ T10] netlink_unicast+0x449/0x710 [ 8038.684510][ T10] netlink_sendmsg+0x723/0xbe0 [ 8038.684510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8038.684510][ T10] ___sys_sendmsg+0xee/0x170 [ 8038.684510][ T10] __sys_sendmsg+0xcd/0x170 [ 8038.684510][ T10] do_syscall_64+0xc6/0x1e0 [ 8038.684510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8038.684510][ T10] [ 8038.686031][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8038.686031][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8038.686031][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8038.686031][ T10] ipv6_find_idev+0x102/0x170 [ 8038.686031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8038.686031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8038.686031][ T10] netlink_rcv_skb+0x130/0x360 [ 8038.686031][ T10] netlink_unicast+0x449/0x710 [ 8038.686031][ T10] netlink_sendmsg+0x723/0xbe0 [ 8038.686031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8038.686031][ T10] ___sys_sendmsg+0xee/0x170 [ 8038.686031][ T10] __sys_sendmsg+0xcd/0x170 [ 8038.686031][ T10] do_syscall_64+0xc6/0x1e0 [ 8038.686031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8038.686031][ T10] [ 8038.687701][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8038.687949][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8038.687949][ T10] netdev_get_by_index+0x5e/0x80 [ 8038.687949][ T10] fib6_nh_init+0x3d8/0x1580 [ 8038.687949][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8038.687949][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8038.687949][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8038.687949][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8038.687949][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8038.687949][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8038.687949][ T10] addrconf_dad_begin+0x310/0x670 [ 8038.687949][ T10] addrconf_dad_work+0x10b/0xab0 [ 8038.687949][ T10] process_one_work+0x84d/0x18a0 [ 8038.687949][ T10] worker_thread+0x587/0xd30 [ 8038.687949][ T10] kthread+0x28a/0x350 [ 8038.687949][ T10] ret_from_fork+0x31/0x70 [ 8038.687949][ T10] ret_from_fork_asm+0x1a/0x30 [ 8038.687949][ T10] [ 8038.689828][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8038.689828][ T10] netdev_get_by_index+0x5e/0x80 [ 8038.689828][ T10] fib6_nh_init+0x3d8/0x1580 [ 8038.689828][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8038.689828][ T10] ip6_route_add+0x1c/0x140 [ 8038.689828][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8038.689828][ T10] inet6_addr_add+0x4f8/0xa40 [ 8038.689828][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8038.689828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8038.689828][ T10] netlink_rcv_skb+0x130/0x360 [ 8038.689828][ T10] netlink_unicast+0x449/0x710 [ 8038.689828][ T10] netlink_sendmsg+0x723/0xbe0 [ 8038.689828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8038.689828][ T10] ___sys_sendmsg+0xee/0x170 [ 8038.689828][ T10] __sys_sendmsg+0xcd/0x170 [ 8038.689828][ T10] do_syscall_64+0xc6/0x1e0 [ 8038.689828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8038.689828][ T10] [ 8038.691878][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8038.691878][ T10] netdev_get_by_index+0x5e/0x80 [ 8038.691878][ T10] fib6_nh_init+0x3d8/0x1580 [ 8038.691878][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8038.691878][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8038.691878][ T10] ipv6_add_addr+0x411/0x2000 [ 8038.691878][ T10] inet6_addr_add+0x30e/0xa40 [ 8038.691878][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8038.691878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8038.691878][ T10] netlink_rcv_skb+0x130/0x360 [ 8038.691878][ T10] netlink_unicast+0x449/0x710 [ 8038.691878][ T10] netlink_sendmsg+0x723/0xbe0 [ 8038.691878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8038.691878][ T10] ___sys_sendmsg+0xee/0x170 [ 8038.691878][ T10] __sys_sendmsg+0xcd/0x170 [ 8038.691878][ T10] do_syscall_64+0xc6/0x1e0 [ 8038.691878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8038.691878][ T10] [ 8038.693977][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8038.693977][ T10] netdev_get_by_index+0x5e/0x80 [ 8038.693977][ T10] fib6_nh_init+0x3d8/0x1580 [ 8038.693977][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8038.693977][ T10] ip6_route_add+0x1c/0x140 [ 8038.693977][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8038.693977][ T10] addrconf_add_dev+0xe2/0x170 [ 8038.693977][ T10] inet6_addr_add+0x12f/0xa40 [ 8038.693977][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8038.693977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8038.693977][ T10] netlink_rcv_skb+0x130/0x360 [ 8038.693977][ T10] netlink_unicast+0x449/0x710 [ 8038.693977][ T10] netlink_sendmsg+0x723/0xbe0 [ 8038.693977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8038.693977][ T10] ___sys_sendmsg+0xee/0x170 [ 8038.693977][ T10] __sys_sendmsg+0xcd/0x170 [ 8038.693977][ T10] do_syscall_64+0xc6/0x1e0 [ 8038.693977][ T10] [ 8038.695995][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8038.695995][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8038.695995][ T10] ipv6_find_idev+0x102/0x170 [ 8038.695995][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8038.695995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8038.695995][ T10] netlink_rcv_skb+0x130/0x360 [ 8038.695995][ T10] netlink_unicast+0x449/0x710 [ 8038.695995][ T10] netlink_sendmsg+0x723/0xbe0 [ 8038.695995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8038.695995][ T10] ___sys_sendmsg+0xee/0x170 [ 8038.695995][ T10] __sys_sendmsg+0xcd/0x170 [ 8038.695995][ T10] do_syscall_64+0xc6/0x1e0 [ 8038.695995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8038.695995][ T10] [ 8038.697578][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8038.697578][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8038.697578][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8038.697578][ T10] ipv6_find_idev+0x102/0x170 [ 8038.697578][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8038.697578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8038.697578][ T10] netlink_rcv_skb+0x130/0x360 [ 8038.697578][ T10] netlink_unicast+0x449/0x710 [ 8038.697578][ T10] netlink_sendmsg+0x723/0xbe0 [ 8038.697578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8038.697578][ T10] ___sys_sendmsg+0xee/0x170 [ 8038.697578][ T10] __sys_sendmsg+0xcd/0x170 [ 8038.697578][ T10] do_syscall_64+0xc6/0x1e0 [ 8038.697578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8038.697578][ T10] [ 8038.699301][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8038.699543][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8038.699543][ T10] netdev_get_by_index+0x5e/0x80 [ 8038.699543][ T10] fib6_nh_init+0x3d8/0x1580 [ 8038.699543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8038.699543][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8038.699543][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8038.699543][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8038.699543][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8038.699543][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8038.699543][ T10] addrconf_dad_begin+0x310/0x670 [ 8038.699543][ T10] addrconf_dad_work+0x10b/0xab0 [ 8038.699543][ T10] process_one_work+0x84d/0x18a0 [ 8038.699543][ T10] worker_thread+0x587/0xd30 [ 8038.699543][ T10] kthread+0x28a/0x350 [ 8038.699543][ T10] ret_from_fork+0x31/0x70 [ 8038.699543][ T10] ret_from_fork_asm+0x1a/0x30 [ 8038.699543][ T10] [ 8038.701560][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8038.701560][ T10] netdev_get_by_index+0x5e/0x80 [ 8038.701560][ T10] fib6_nh_init+0x3d8/0x1580 [ 8038.701560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8038.701560][ T10] ip6_route_add+0x1c/0x140 [ 8038.701560][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8038.701560][ T10] inet6_addr_add+0x4f8/0xa40 [ 8038.701560][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8038.701560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8038.701560][ T10] netlink_rcv_skb+0x130/0x360 [ 8038.701560][ T10] netlink_unicast+0x449/0x710 [ 8038.701560][ T10] netlink_sendmsg+0x723/0xbe0 [ 8038.701560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8038.701560][ T10] ___sys_sendmsg+0xee/0x170 [ 8038.701560][ T10] __sys_sendmsg+0xcd/0x170 [ 8038.701560][ T10] do_syscall_64+0xc6/0x1e0 [ 8038.701560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8038.701560][ T10] [ 8038.703595][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8038.703595][ T10] netdev_get_by_index+0x5e/0x80 [ 8038.703595][ T10] fib6_nh_init+0x3d8/0x1580 [ 8038.703595][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8038.703595][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8038.703595][ T10] ipv6_add_addr+0x411/0x2000 [ 8038.703595][ T10] inet6_addr_add+0x30e/0xa40 [ 8038.703595][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8038.703595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8038.703595][ T10] netlink_rcv_skb+0x130/0x360 [ 8038.703595][ T10] netlink_unicast+0x449/0x710 [ 8038.703595][ T10] netlink_sendmsg+0x723/0xbe0 [ 8038.703595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8038.703595][ T10] ___sys_sendmsg+0xee/0x170 [ 8038.703595][ T10] __sys_sendmsg+0xcd/0x170 [ 8038.703595][ T10] do_syscall_64+0xc6/0x1e0 [ 8038.703595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8038.703595][ T10] [ 8038.705643][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8038.705643][ T10] netdev_get_by_index+0x5e/0x80 [ 8038.705643][ T10] fib6_nh_init+0x3d8/0x1580 [ 8038.705643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8038.705643][ T10] ip6_route_add+0x1c/0x140 [ 8038.705643][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8038.705643][ T10] addrconf_add_dev+0xe2/0x170 [ 8038.705643][ T10] inet6_addr_add+0x12f/0xa40 [ 8038.705643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8038.705643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8038.705643][ T10] netlink_rcv_skb+0x130/0x360 [ 8038.705643][ T10] netlink_unicast+0x449/0x710 [ 8038.705643][ T10] netlink_sendmsg+0x723/0xbe0 [ 8038.705643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8038.705643][ T10] ___sys_sendmsg+0xee/0x170 [ 8038.705643][ T10] __sys_sendmsg+0xcd/0x170 [ 8038.705643][ T10] do_syscall_64+0xc6/0x1e0 [ 8038.705643][ T10] [ 8038.707648][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8038.707648][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8038.707648][ T10] ipv6_find_idev+0x102/0x170 [ 8038.707648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8038.707648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8038.707648][ T10] netlink_rcv_skb+0x130/0x360 [ 8038.707648][ T10] netlink_unicast+0x449/0x710 [ 8038.707648][ T10] netlink_sendmsg+0x723/0xbe0 [ 8038.707648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8038.707648][ T10] ___sys_sendmsg+0xee/0x170 [ 8038.707648][ T10] __sys_sendmsg+0xcd/0x170 [ 8038.707648][ T10] do_syscall_64+0xc6/0x1e0 [ 8038.707648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8038.707648][ T10] [ 8038.709228][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8038.709228][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8038.709228][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8038.709228][ T10] ipv6_find_idev+0x102/0x170 [ 8038.709228][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8038.709228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8038.709228][ T10] netlink_rcv_skb+0x130/0x360 [ 8038.709228][ T10] netlink_unicast+0x449/0x710 [ 8038.709228][ T10] netlink_sendmsg+0x723/0xbe0 [ 8038.709228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8038.709228][ T10] ___sys_sendmsg+0xee/0x170 [ 8038.709228][ T10] __sys_sendmsg+0xcd/0x170 [ 8038.709228][ T10] do_syscall_64+0xc6/0x1e0 [ 8038.709228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8038.709228][ T10] [ 8039.337230][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8039.337700][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8039.337700][ T1167] dst_init+0x84/0x4a0 [ 8039.337700][ T1167] dst_alloc+0x97/0x150 [ 8039.337700][ T1167] ip6_dst_alloc+0x23/0x90 [ 8039.337700][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8039.337700][ T1167] ip6_pol_route+0x56f/0x840 [ 8039.337700][ T1167] fib6_rule_lookup+0x334/0x630 [ 8039.337700][ T1167] ip6_route_output_flags+0x259/0x480 [ 8039.337700][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8039.337700][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8039.337700][ T1167] netlink_rcv_skb+0x130/0x360 [ 8039.337700][ T1167] netlink_unicast+0x449/0x710 [ 8039.337700][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8039.337700][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8039.337700][ T1167] ___sys_sendmsg+0xee/0x170 [ 8039.337700][ T1167] __sys_sendmsg+0xcd/0x170 [ 8039.337700][ T1167] do_syscall_64+0xc6/0x1e0 [ 8039.337700][ T1167] [ 8039.339916][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8039.339916][ T1167] netdev_get_by_index+0x5e/0x80 [ 8039.339916][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8039.339916][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8039.339916][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8039.339916][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8039.339916][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8039.339916][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8039.339916][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8039.339916][ T1167] addrconf_dad_begin+0x310/0x670 [ 8039.339916][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8039.339916][ T1167] process_one_work+0x84d/0x18a0 [ 8039.339916][ T1167] worker_thread+0x587/0xd30 [ 8039.339916][ T1167] kthread+0x28a/0x350 [ 8039.339916][ T1167] ret_from_fork+0x31/0x70 [ 8039.339916][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8039.339916][ T1167] [ 8039.342084][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8039.342084][ T1167] netdev_get_by_index+0x5e/0x80 [ 8039.342084][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8039.342084][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8039.342084][ T1167] ip6_route_add+0x1c/0x140 [ 8039.342084][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8039.342084][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8039.342084][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8039.342084][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8039.342084][ T1167] netlink_rcv_skb+0x130/0x360 [ 8039.342084][ T1167] netlink_unicast+0x449/0x710 [ 8039.342084][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8039.342084][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8039.342084][ T1167] ___sys_sendmsg+0xee/0x170 [ 8039.342084][ T1167] __sys_sendmsg+0xcd/0x170 [ 8039.342084][ T1167] do_syscall_64+0xc6/0x1e0 [ 8039.342084][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8039.342084][ T1167] [ 8039.344337][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8039.344337][ T1167] netdev_get_by_index+0x5e/0x80 [ 8039.344337][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8039.344337][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8039.344337][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8039.344337][ T1167] ipv6_add_addr+0x411/0x2000 [ 8039.344337][ T1167] inet6_addr_add+0x30e/0xa40 [ 8039.344337][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8039.344337][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8039.344337][ T1167] netlink_rcv_skb+0x130/0x360 [ 8039.344337][ T1167] netlink_unicast+0x449/0x710 [ 8039.344337][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8039.344337][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8039.344337][ T1167] ___sys_sendmsg+0xee/0x170 [ 8039.344337][ T1167] __sys_sendmsg+0xcd/0x170 [ 8039.344337][ T1167] do_syscall_64+0xc6/0x1e0 [ 8039.344337][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8039.344337][ T1167] [ 8039.346589][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8039.346589][ T1167] netdev_get_by_index+0x5e/0x80 [ 8039.346589][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8039.346589][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8039.346589][ T1167] ip6_route_add+0x1c/0x140 [ 8039.346589][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8039.346589][ T1167] addrconf_add_dev+0xe2/0x170 [ 8039.346589][ T1167] inet6_addr_add+0x12f/0xa40 [ 8039.346589][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8039.346589][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8039.346589][ T1167] netlink_rcv_skb+0x130/0x360 [ 8039.346589][ T1167] netlink_unicast+0x449/0x710 [ 8039.346589][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8039.346589][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8039.346589][ T1167] ___sys_sendmsg+0xee/0x170 [ 8039.346589][ T1167] __sys_sendmsg+0xcd/0x170 [ 8039.346589][ T1167] do_syscall_64+0xc6/0x1e0 [ 8039.346589][ T1167] [ 8039.348803][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8039.348803][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8039.348803][ T1167] ipv6_find_idev+0x102/0x170 [ 8039.348803][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8039.348803][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8039.348803][ T1167] netlink_rcv_skb+0x130/0x360 [ 8039.348803][ T1167] netlink_unicast+0x449/0x710 [ 8039.348803][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8039.348803][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8039.348803][ T1167] ___sys_sendmsg+0xee/0x170 [ 8039.348803][ T1167] __sys_sendmsg+0xcd/0x170 [ 8039.348803][ T1167] do_syscall_64+0xc6/0x1e0 [ 8039.348803][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8039.348803][ T1167] [ 8039.350544][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8039.350544][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8039.350544][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8039.350544][ T1167] ipv6_find_idev+0x102/0x170 [ 8039.350544][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8039.350544][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8039.350544][ T1167] netlink_rcv_skb+0x130/0x360 [ 8039.350544][ T1167] netlink_unicast+0x449/0x710 [ 8039.350544][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8039.350544][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8039.350544][ T1167] ___sys_sendmsg+0xee/0x170 [ 8039.350544][ T1167] __sys_sendmsg+0xcd/0x170 [ 8039.350544][ T1167] do_syscall_64+0xc6/0x1e0 [ 8039.350544][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8039.350544][ T1167] [ 8048.721103][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8048.721462][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8048.721462][ T10] netdev_get_by_index+0x5e/0x80 [ 8048.721462][ T10] fib6_nh_init+0x3d8/0x1580 [ 8048.721462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8048.721462][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8048.721462][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8048.721462][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8048.721462][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8048.721462][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8048.721462][ T10] addrconf_dad_begin+0x310/0x670 [ 8048.721462][ T10] addrconf_dad_work+0x10b/0xab0 [ 8048.721462][ T10] process_one_work+0x84d/0x18a0 [ 8048.721462][ T10] worker_thread+0x587/0xd30 [ 8048.721462][ T10] kthread+0x28a/0x350 [ 8048.721462][ T10] ret_from_fork+0x31/0x70 [ 8048.721462][ T10] ret_from_fork_asm+0x1a/0x30 [ 8048.721462][ T10] [ 8048.723406][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8048.723406][ T10] netdev_get_by_index+0x5e/0x80 [ 8048.723406][ T10] fib6_nh_init+0x3d8/0x1580 [ 8048.723406][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8048.723406][ T10] ip6_route_add+0x1c/0x140 [ 8048.723406][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8048.723406][ T10] inet6_addr_add+0x4f8/0xa40 [ 8048.723406][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8048.723406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8048.723406][ T10] netlink_rcv_skb+0x130/0x360 [ 8048.723406][ T10] netlink_unicast+0x449/0x710 [ 8048.723406][ T10] netlink_sendmsg+0x723/0xbe0 [ 8048.723406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8048.723406][ T10] ___sys_sendmsg+0xee/0x170 [ 8048.723406][ T10] __sys_sendmsg+0xcd/0x170 [ 8048.723406][ T10] do_syscall_64+0xc6/0x1e0 [ 8048.723406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8048.723406][ T10] [ 8048.725391][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8048.725391][ T10] netdev_get_by_index+0x5e/0x80 [ 8048.725391][ T10] fib6_nh_init+0x3d8/0x1580 [ 8048.725391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8048.725391][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8048.725391][ T10] ipv6_add_addr+0x411/0x2000 [ 8048.725391][ T10] inet6_addr_add+0x30e/0xa40 [ 8048.725391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8048.725391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8048.725391][ T10] netlink_rcv_skb+0x130/0x360 [ 8048.725391][ T10] netlink_unicast+0x449/0x710 [ 8048.725391][ T10] netlink_sendmsg+0x723/0xbe0 [ 8048.725391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8048.725391][ T10] ___sys_sendmsg+0xee/0x170 [ 8048.725391][ T10] __sys_sendmsg+0xcd/0x170 [ 8048.725391][ T10] do_syscall_64+0xc6/0x1e0 [ 8048.725391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8048.725391][ T10] [ 8048.727376][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8048.727376][ T10] netdev_get_by_index+0x5e/0x80 [ 8048.727376][ T10] fib6_nh_init+0x3d8/0x1580 [ 8048.727376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8048.727376][ T10] ip6_route_add+0x1c/0x140 [ 8048.727376][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8048.727376][ T10] addrconf_add_dev+0xe2/0x170 [ 8048.727376][ T10] inet6_addr_add+0x12f/0xa40 [ 8048.727376][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8048.727376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8048.727376][ T10] netlink_rcv_skb+0x130/0x360 [ 8048.727376][ T10] netlink_unicast+0x449/0x710 [ 8048.727376][ T10] netlink_sendmsg+0x723/0xbe0 [ 8048.727376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8048.727376][ T10] ___sys_sendmsg+0xee/0x170 [ 8048.727376][ T10] __sys_sendmsg+0xcd/0x170 [ 8048.727376][ T10] do_syscall_64+0xc6/0x1e0 [ 8048.727376][ T10] [ 8048.729333][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8048.729333][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8048.729333][ T10] ipv6_find_idev+0x102/0x170 [ 8048.729333][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8048.729333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8048.729333][ T10] netlink_rcv_skb+0x130/0x360 [ 8048.729333][ T10] netlink_unicast+0x449/0x710 [ 8048.729333][ T10] netlink_sendmsg+0x723/0xbe0 [ 8048.729333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8048.729333][ T10] ___sys_sendmsg+0xee/0x170 [ 8048.729333][ T10] __sys_sendmsg+0xcd/0x170 [ 8048.729333][ T10] do_syscall_64+0xc6/0x1e0 [ 8048.729333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8048.729333][ T10] [ 8048.730889][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8048.730889][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8048.730889][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8048.730889][ T10] ipv6_find_idev+0x102/0x170 [ 8048.730889][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8048.730889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8048.730889][ T10] netlink_rcv_skb+0x130/0x360 [ 8048.730889][ T10] netlink_unicast+0x449/0x710 [ 8048.730889][ T10] netlink_sendmsg+0x723/0xbe0 [ 8048.730889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8048.730889][ T10] ___sys_sendmsg+0xee/0x170 [ 8048.730889][ T10] __sys_sendmsg+0xcd/0x170 [ 8048.730889][ T10] do_syscall_64+0xc6/0x1e0 [ 8048.730889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8048.730889][ T10] [ 8048.732571][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8048.732815][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8048.732815][ T10] netdev_get_by_index+0x5e/0x80 [ 8048.732815][ T10] fib6_nh_init+0x3d8/0x1580 [ 8048.732815][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8048.732815][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8048.732815][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8048.732815][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8048.732815][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8048.732815][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8048.732815][ T10] addrconf_dad_begin+0x310/0x670 [ 8048.732815][ T10] addrconf_dad_work+0x10b/0xab0 [ 8048.732815][ T10] process_one_work+0x84d/0x18a0 [ 8048.732815][ T10] worker_thread+0x587/0xd30 [ 8048.732815][ T10] kthread+0x28a/0x350 [ 8048.732815][ T10] ret_from_fork+0x31/0x70 [ 8048.732815][ T10] ret_from_fork_asm+0x1a/0x30 [ 8048.732815][ T10] [ 8048.734712][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8048.734712][ T10] netdev_get_by_index+0x5e/0x80 [ 8048.734712][ T10] fib6_nh_init+0x3d8/0x1580 [ 8048.734712][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8048.734712][ T10] ip6_route_add+0x1c/0x140 [ 8048.734712][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8048.734712][ T10] inet6_addr_add+0x4f8/0xa40 [ 8048.734712][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8048.734712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8048.734712][ T10] netlink_rcv_skb+0x130/0x360 [ 8048.734712][ T10] netlink_unicast+0x449/0x710 [ 8048.734712][ T10] netlink_sendmsg+0x723/0xbe0 [ 8048.734712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8048.734712][ T10] ___sys_sendmsg+0xee/0x170 [ 8048.734712][ T10] __sys_sendmsg+0xcd/0x170 [ 8048.734712][ T10] do_syscall_64+0xc6/0x1e0 [ 8048.734712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8048.734712][ T10] [ 8048.736695][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8048.736695][ T10] netdev_get_by_index+0x5e/0x80 [ 8048.736695][ T10] fib6_nh_init+0x3d8/0x1580 [ 8048.736695][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8048.736695][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8048.736695][ T10] ipv6_add_addr+0x411/0x2000 [ 8048.736695][ T10] inet6_addr_add+0x30e/0xa40 [ 8048.736695][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8048.736695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8048.736695][ T10] netlink_rcv_skb+0x130/0x360 [ 8048.736695][ T10] netlink_unicast+0x449/0x710 [ 8048.736695][ T10] netlink_sendmsg+0x723/0xbe0 [ 8048.736695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8048.736695][ T10] ___sys_sendmsg+0xee/0x170 [ 8048.736695][ T10] __sys_sendmsg+0xcd/0x170 [ 8048.736695][ T10] do_syscall_64+0xc6/0x1e0 [ 8048.736695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8048.736695][ T10] [ 8048.738684][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8048.738684][ T10] netdev_get_by_index+0x5e/0x80 [ 8048.738684][ T10] fib6_nh_init+0x3d8/0x1580 [ 8048.738684][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8048.738684][ T10] ip6_route_add+0x1c/0x140 [ 8048.738684][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8048.738684][ T10] addrconf_add_dev+0xe2/0x170 [ 8048.738684][ T10] inet6_addr_add+0x12f/0xa40 [ 8048.738684][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8048.738684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8048.738684][ T10] netlink_rcv_skb+0x130/0x360 [ 8048.738684][ T10] netlink_unicast+0x449/0x710 [ 8048.738684][ T10] netlink_sendmsg+0x723/0xbe0 [ 8048.738684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8048.738684][ T10] ___sys_sendmsg+0xee/0x170 [ 8048.738684][ T10] __sys_sendmsg+0xcd/0x170 [ 8048.738684][ T10] do_syscall_64+0xc6/0x1e0 [ 8048.738684][ T10] [ 8048.740638][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8048.740638][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8048.740638][ T10] ipv6_find_idev+0x102/0x170 [ 8048.740638][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8048.740638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8048.740638][ T10] netlink_rcv_skb+0x130/0x360 [ 8048.740638][ T10] netlink_unicast+0x449/0x710 [ 8048.740638][ T10] netlink_sendmsg+0x723/0xbe0 [ 8048.740638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8048.740638][ T10] ___sys_sendmsg+0xee/0x170 [ 8048.740638][ T10] __sys_sendmsg+0xcd/0x170 [ 8048.740638][ T10] do_syscall_64+0xc6/0x1e0 [ 8048.740638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8048.740638][ T10] [ 8048.742162][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8048.742162][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8048.742162][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8048.742162][ T10] ipv6_find_idev+0x102/0x170 [ 8048.742162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8048.742162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8048.742162][ T10] netlink_rcv_skb+0x130/0x360 [ 8048.742162][ T10] netlink_unicast+0x449/0x710 [ 8048.742162][ T10] netlink_sendmsg+0x723/0xbe0 [ 8048.742162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8048.742162][ T10] ___sys_sendmsg+0xee/0x170 [ 8048.742162][ T10] __sys_sendmsg+0xcd/0x170 [ 8048.742162][ T10] do_syscall_64+0xc6/0x1e0 [ 8048.742162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8048.742162][ T10] [ 8048.743835][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8048.744078][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8048.744078][ T10] netdev_get_by_index+0x5e/0x80 [ 8048.744078][ T10] fib6_nh_init+0x3d8/0x1580 [ 8048.744078][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8048.744078][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8048.744078][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8048.744078][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8048.744078][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8048.744078][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8048.744078][ T10] addrconf_dad_begin+0x310/0x670 [ 8048.744078][ T10] addrconf_dad_work+0x10b/0xab0 [ 8048.744078][ T10] process_one_work+0x84d/0x18a0 [ 8048.744078][ T10] worker_thread+0x587/0xd30 [ 8048.744078][ T10] kthread+0x28a/0x350 [ 8048.744078][ T10] ret_from_fork+0x31/0x70 [ 8048.744078][ T10] ret_from_fork_asm+0x1a/0x30 [ 8048.744078][ T10] [ 8048.745974][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8048.745974][ T10] netdev_get_by_index+0x5e/0x80 [ 8048.745974][ T10] fib6_nh_init+0x3d8/0x1580 [ 8048.745974][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8048.745974][ T10] ip6_route_add+0x1c/0x140 [ 8048.745974][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8048.745974][ T10] inet6_addr_add+0x4f8/0xa40 [ 8048.745974][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8048.745974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8048.745974][ T10] netlink_rcv_skb+0x130/0x360 [ 8048.745974][ T10] netlink_unicast+0x449/0x710 [ 8048.745974][ T10] netlink_sendmsg+0x723/0xbe0 [ 8048.745974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8048.745974][ T10] ___sys_sendmsg+0xee/0x170 [ 8048.745974][ T10] __sys_sendmsg+0xcd/0x170 [ 8048.745974][ T10] do_syscall_64+0xc6/0x1e0 [ 8048.745974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8048.745974][ T10] [ 8048.748218][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8048.748218][ T10] netdev_get_by_index+0x5e/0x80 [ 8048.748218][ T10] fib6_nh_init+0x3d8/0x1580 [ 8048.748218][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8048.748218][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8048.748218][ T10] ipv6_add_addr+0x411/0x2000 [ 8048.748218][ T10] inet6_addr_add+0x30e/0xa40 [ 8048.748218][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8048.748218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8048.748218][ T10] netlink_rcv_skb+0x130/0x360 [ 8048.748218][ T10] netlink_unicast+0x449/0x710 [ 8048.748218][ T10] netlink_sendmsg+0x723/0xbe0 [ 8048.748218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8048.748218][ T10] ___sys_sendmsg+0xee/0x170 [ 8048.748218][ T10] __sys_sendmsg+0xcd/0x170 [ 8048.748218][ T10] do_syscall_64+0xc6/0x1e0 [ 8048.748218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8048.748218][ T10] [ 8048.750384][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8048.750384][ T10] netdev_get_by_index+0x5e/0x80 [ 8048.750384][ T10] fib6_nh_init+0x3d8/0x1580 [ 8048.750384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8048.750384][ T10] ip6_route_add+0x1c/0x140 [ 8048.750384][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8048.750384][ T10] addrconf_add_dev+0xe2/0x170 [ 8048.750384][ T10] inet6_addr_add+0x12f/0xa40 [ 8048.750384][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8048.750384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8048.750384][ T10] netlink_rcv_skb+0x130/0x360 [ 8048.750384][ T10] netlink_unicast+0x449/0x710 [ 8048.750384][ T10] netlink_sendmsg+0x723/0xbe0 [ 8048.750384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8048.750384][ T10] ___sys_sendmsg+0xee/0x170 [ 8048.750384][ T10] __sys_sendmsg+0xcd/0x170 [ 8048.750384][ T10] do_syscall_64+0xc6/0x1e0 [ 8048.750384][ T10] [ 8048.752574][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8048.752574][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8048.752574][ T10] ipv6_find_idev+0x102/0x170 [ 8048.752574][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8048.752574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8048.752574][ T10] netlink_rcv_skb+0x130/0x360 [ 8048.752574][ T10] netlink_unicast+0x449/0x710 [ 8048.752574][ T10] netlink_sendmsg+0x723/0xbe0 [ 8048.752574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8048.752574][ T10] ___sys_sendmsg+0xee/0x170 [ 8048.752574][ T10] __sys_sendmsg+0xcd/0x170 [ 8048.752574][ T10] do_syscall_64+0xc6/0x1e0 [ 8048.752574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8048.752574][ T10] [ 8048.754282][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8048.754282][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8048.754282][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8048.754282][ T10] ipv6_find_idev+0x102/0x170 [ 8048.754282][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8048.754282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8048.754282][ T10] netlink_rcv_skb+0x130/0x360 [ 8048.754282][ T10] netlink_unicast+0x449/0x710 [ 8048.754282][ T10] netlink_sendmsg+0x723/0xbe0 [ 8048.754282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8048.754282][ T10] ___sys_sendmsg+0xee/0x170 [ 8048.754282][ T10] __sys_sendmsg+0xcd/0x170 [ 8048.754282][ T10] do_syscall_64+0xc6/0x1e0 [ 8048.754282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8048.754282][ T10] [ 8048.756192][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8048.756488][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8048.756488][ T10] netdev_get_by_index+0x5e/0x80 [ 8048.756488][ T10] fib6_nh_init+0x3d8/0x1580 [ 8048.756488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8048.756488][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8048.756488][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8048.756488][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8048.756488][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8048.756488][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8048.756488][ T10] addrconf_dad_begin+0x310/0x670 [ 8048.756488][ T10] addrconf_dad_work+0x10b/0xab0 [ 8048.756488][ T10] process_one_work+0x84d/0x18a0 [ 8048.756488][ T10] worker_thread+0x587/0xd30 [ 8048.756488][ T10] kthread+0x28a/0x350 [ 8048.756488][ T10] ret_from_fork+0x31/0x70 [ 8048.756488][ T10] ret_from_fork_asm+0x1a/0x30 [ 8048.756488][ T10] [ 8048.758513][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8048.758513][ T10] netdev_get_by_index+0x5e/0x80 [ 8048.758513][ T10] fib6_nh_init+0x3d8/0x1580 [ 8048.758513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8048.758513][ T10] ip6_route_add+0x1c/0x140 [ 8048.758513][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8048.758513][ T10] inet6_addr_add+0x4f8/0xa40 [ 8048.758513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8048.758513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8048.758513][ T10] netlink_rcv_skb+0x130/0x360 [ 8048.758513][ T10] netlink_unicast+0x449/0x710 [ 8048.758513][ T10] netlink_sendmsg+0x723/0xbe0 [ 8048.758513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8048.758513][ T10] ___sys_sendmsg+0xee/0x170 [ 8048.758513][ T10] __sys_sendmsg+0xcd/0x170 [ 8048.758513][ T10] do_syscall_64+0xc6/0x1e0 [ 8048.758513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8048.758513][ T10] [ 8048.760740][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8048.760740][ T10] netdev_get_by_index+0x5e/0x80 [ 8048.760740][ T10] fib6_nh_init+0x3d8/0x1580 [ 8048.760740][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8048.760740][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8048.760740][ T10] ipv6_add_addr+0x411/0x2000 [ 8048.760740][ T10] inet6_addr_add+0x30e/0xa40 [ 8048.760740][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8048.760740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8048.760740][ T10] netlink_rcv_skb+0x130/0x360 [ 8048.760740][ T10] netlink_unicast+0x449/0x710 [ 8048.760740][ T10] netlink_sendmsg+0x723/0xbe0 [ 8048.760740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8048.760740][ T10] ___sys_sendmsg+0xee/0x170 [ 8048.760740][ T10] __sys_sendmsg+0xcd/0x170 [ 8048.760740][ T10] do_syscall_64+0xc6/0x1e0 [ 8048.760740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8048.760740][ T10] [ 8048.762961][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8048.762961][ T10] netdev_get_by_index+0x5e/0x80 [ 8048.762961][ T10] fib6_nh_init+0x3d8/0x1580 [ 8048.762961][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8048.762961][ T10] ip6_route_add+0x1c/0x140 [ 8048.762961][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8048.762961][ T10] addrconf_add_dev+0xe2/0x170 [ 8048.762961][ T10] inet6_addr_add+0x12f/0xa40 [ 8048.762961][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8048.762961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8048.762961][ T10] netlink_rcv_skb+0x130/0x360 [ 8048.762961][ T10] netlink_unicast+0x449/0x710 [ 8048.762961][ T10] netlink_sendmsg+0x723/0xbe0 [ 8048.762961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8048.762961][ T10] ___sys_sendmsg+0xee/0x170 [ 8048.762961][ T10] __sys_sendmsg+0xcd/0x170 [ 8048.762961][ T10] do_syscall_64+0xc6/0x1e0 [ 8048.762961][ T10] [ 8048.765212][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8048.765212][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8048.765212][ T10] ipv6_find_idev+0x102/0x170 [ 8048.765212][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8048.765212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8048.765212][ T10] netlink_rcv_skb+0x130/0x360 [ 8048.765212][ T10] netlink_unicast+0x449/0x710 [ 8048.765212][ T10] netlink_sendmsg+0x723/0xbe0 [ 8048.765212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8048.765212][ T10] ___sys_sendmsg+0xee/0x170 [ 8048.765212][ T10] __sys_sendmsg+0xcd/0x170 [ 8048.765212][ T10] do_syscall_64+0xc6/0x1e0 [ 8048.765212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8048.765212][ T10] [ 8048.766917][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8048.766917][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8048.766917][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8048.766917][ T10] ipv6_find_idev+0x102/0x170 [ 8048.766917][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8048.766917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8048.766917][ T10] netlink_rcv_skb+0x130/0x360 [ 8048.766917][ T10] netlink_unicast+0x449/0x710 [ 8048.766917][ T10] netlink_sendmsg+0x723/0xbe0 [ 8048.766917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8048.766917][ T10] ___sys_sendmsg+0xee/0x170 [ 8048.766917][ T10] __sys_sendmsg+0xcd/0x170 [ 8048.766917][ T10] do_syscall_64+0xc6/0x1e0 [ 8048.766917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8048.766917][ T10] [ 8049.489099][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8049.489504][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8049.489504][ T1167] dst_init+0x84/0x4a0 [ 8049.489504][ T1167] dst_alloc+0x97/0x150 [ 8049.489504][ T1167] ip6_dst_alloc+0x23/0x90 [ 8049.489504][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8049.489504][ T1167] ip6_pol_route+0x56f/0x840 [ 8049.489504][ T1167] fib6_rule_lookup+0x334/0x630 [ 8049.489504][ T1167] ip6_route_output_flags+0x259/0x480 [ 8049.489504][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8049.489504][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8049.489504][ T1167] netlink_rcv_skb+0x130/0x360 [ 8049.489504][ T1167] netlink_unicast+0x449/0x710 [ 8049.489504][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8049.489504][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8049.489504][ T1167] ___sys_sendmsg+0xee/0x170 [ 8049.489504][ T1167] __sys_sendmsg+0xcd/0x170 [ 8049.489504][ T1167] do_syscall_64+0xc6/0x1e0 [ 8049.489504][ T1167] [ 8049.491732][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8049.491732][ T1167] netdev_get_by_index+0x5e/0x80 [ 8049.491732][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8049.491732][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8049.491732][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8049.491732][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8049.491732][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8049.491732][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8049.491732][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8049.491732][ T1167] addrconf_dad_begin+0x310/0x670 [ 8049.491732][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8049.491732][ T1167] process_one_work+0x84d/0x18a0 [ 8049.491732][ T1167] worker_thread+0x587/0xd30 [ 8049.491732][ T1167] kthread+0x28a/0x350 [ 8049.491732][ T1167] ret_from_fork+0x31/0x70 [ 8049.491732][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8049.491732][ T1167] [ 8049.493889][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8049.493889][ T1167] netdev_get_by_index+0x5e/0x80 [ 8049.493889][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8049.493889][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8049.493889][ T1167] ip6_route_add+0x1c/0x140 [ 8049.493889][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8049.493889][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8049.493889][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8049.493889][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8049.493889][ T1167] netlink_rcv_skb+0x130/0x360 [ 8049.493889][ T1167] netlink_unicast+0x449/0x710 [ 8049.493889][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8049.493889][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8049.493889][ T1167] ___sys_sendmsg+0xee/0x170 [ 8049.493889][ T1167] __sys_sendmsg+0xcd/0x170 [ 8049.493889][ T1167] do_syscall_64+0xc6/0x1e0 [ 8049.493889][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8049.493889][ T1167] [ 8049.496146][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8049.496146][ T1167] netdev_get_by_index+0x5e/0x80 [ 8049.496146][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8049.496146][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8049.496146][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8049.496146][ T1167] ipv6_add_addr+0x411/0x2000 [ 8049.496146][ T1167] inet6_addr_add+0x30e/0xa40 [ 8049.496146][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8049.496146][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8049.496146][ T1167] netlink_rcv_skb+0x130/0x360 [ 8049.496146][ T1167] netlink_unicast+0x449/0x710 [ 8049.496146][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8049.496146][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8049.496146][ T1167] ___sys_sendmsg+0xee/0x170 [ 8049.496146][ T1167] __sys_sendmsg+0xcd/0x170 [ 8049.496146][ T1167] do_syscall_64+0xc6/0x1e0 [ 8049.496146][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8049.496146][ T1167] [ 8049.498415][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8049.498415][ T1167] netdev_get_by_index+0x5e/0x80 [ 8049.498415][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8049.498415][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8049.498415][ T1167] ip6_route_add+0x1c/0x140 [ 8049.498415][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8049.498415][ T1167] addrconf_add_dev+0xe2/0x170 [ 8049.498415][ T1167] inet6_addr_add+0x12f/0xa40 [ 8049.498415][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8049.498415][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8049.498415][ T1167] netlink_rcv_skb+0x130/0x360 [ 8049.498415][ T1167] netlink_unicast+0x449/0x710 [ 8049.498415][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8049.498415][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8049.498415][ T1167] ___sys_sendmsg+0xee/0x170 [ 8049.498415][ T1167] __sys_sendmsg+0xcd/0x170 [ 8049.498415][ T1167] do_syscall_64+0xc6/0x1e0 [ 8049.498415][ T1167] [ 8049.500662][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8049.500662][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8049.500662][ T1167] ipv6_find_idev+0x102/0x170 [ 8049.500662][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8049.500662][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8049.500662][ T1167] netlink_rcv_skb+0x130/0x360 [ 8049.500662][ T1167] netlink_unicast+0x449/0x710 [ 8049.500662][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8049.500662][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8049.500662][ T1167] ___sys_sendmsg+0xee/0x170 [ 8049.500662][ T1167] __sys_sendmsg+0xcd/0x170 [ 8049.500662][ T1167] do_syscall_64+0xc6/0x1e0 [ 8049.500662][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8049.500662][ T1167] [ 8049.502397][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8049.502397][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8049.502397][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8049.502397][ T1167] ipv6_find_idev+0x102/0x170 [ 8049.502397][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8049.502397][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8049.502397][ T1167] netlink_rcv_skb+0x130/0x360 [ 8049.502397][ T1167] netlink_unicast+0x449/0x710 [ 8049.502397][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8049.502397][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8049.502397][ T1167] ___sys_sendmsg+0xee/0x170 [ 8049.502397][ T1167] __sys_sendmsg+0xcd/0x170 [ 8049.502397][ T1167] do_syscall_64+0xc6/0x1e0 [ 8049.502397][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8049.502397][ T1167] [ 8059.009103][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8059.009525][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8059.009525][ T10] netdev_get_by_index+0x5e/0x80 [ 8059.009525][ T10] fib6_nh_init+0x3d8/0x1580 [ 8059.009525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8059.009525][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8059.009525][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8059.009525][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8059.009525][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8059.009525][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8059.009525][ T10] addrconf_dad_begin+0x310/0x670 [ 8059.009525][ T10] addrconf_dad_work+0x10b/0xab0 [ 8059.009525][ T10] process_one_work+0x84d/0x18a0 [ 8059.009525][ T10] worker_thread+0x587/0xd30 [ 8059.009525][ T10] kthread+0x28a/0x350 [ 8059.009525][ T10] ret_from_fork+0x31/0x70 [ 8059.009525][ T10] ret_from_fork_asm+0x1a/0x30 [ 8059.009525][ T10] [ 8059.011454][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8059.011454][ T10] netdev_get_by_index+0x5e/0x80 [ 8059.011454][ T10] fib6_nh_init+0x3d8/0x1580 [ 8059.011454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8059.011454][ T10] ip6_route_add+0x1c/0x140 [ 8059.011454][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8059.011454][ T10] inet6_addr_add+0x4f8/0xa40 [ 8059.011454][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8059.011454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8059.011454][ T10] netlink_rcv_skb+0x130/0x360 [ 8059.011454][ T10] netlink_unicast+0x449/0x710 [ 8059.011454][ T10] netlink_sendmsg+0x723/0xbe0 [ 8059.011454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8059.011454][ T10] ___sys_sendmsg+0xee/0x170 [ 8059.011454][ T10] __sys_sendmsg+0xcd/0x170 [ 8059.011454][ T10] do_syscall_64+0xc6/0x1e0 [ 8059.011454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8059.011454][ T10] [ 8059.013452][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8059.013452][ T10] netdev_get_by_index+0x5e/0x80 [ 8059.013452][ T10] fib6_nh_init+0x3d8/0x1580 [ 8059.013452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8059.013452][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8059.013452][ T10] ipv6_add_addr+0x411/0x2000 [ 8059.013452][ T10] inet6_addr_add+0x30e/0xa40 [ 8059.013452][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8059.013452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8059.013452][ T10] netlink_rcv_skb+0x130/0x360 [ 8059.013452][ T10] netlink_unicast+0x449/0x710 [ 8059.013452][ T10] netlink_sendmsg+0x723/0xbe0 [ 8059.013452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8059.013452][ T10] ___sys_sendmsg+0xee/0x170 [ 8059.013452][ T10] __sys_sendmsg+0xcd/0x170 [ 8059.013452][ T10] do_syscall_64+0xc6/0x1e0 [ 8059.013452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8059.013452][ T10] [ 8059.015430][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8059.015430][ T10] netdev_get_by_index+0x5e/0x80 [ 8059.015430][ T10] fib6_nh_init+0x3d8/0x1580 [ 8059.015430][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8059.015430][ T10] ip6_route_add+0x1c/0x140 [ 8059.015430][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8059.015430][ T10] addrconf_add_dev+0xe2/0x170 [ 8059.015430][ T10] inet6_addr_add+0x12f/0xa40 [ 8059.015430][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8059.015430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8059.015430][ T10] netlink_rcv_skb+0x130/0x360 [ 8059.015430][ T10] netlink_unicast+0x449/0x710 [ 8059.015430][ T10] netlink_sendmsg+0x723/0xbe0 [ 8059.015430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8059.015430][ T10] ___sys_sendmsg+0xee/0x170 [ 8059.015430][ T10] __sys_sendmsg+0xcd/0x170 [ 8059.015430][ T10] do_syscall_64+0xc6/0x1e0 [ 8059.015430][ T10] [ 8059.017376][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8059.017376][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8059.017376][ T10] ipv6_find_idev+0x102/0x170 [ 8059.017376][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8059.017376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8059.017376][ T10] netlink_rcv_skb+0x130/0x360 [ 8059.017376][ T10] netlink_unicast+0x449/0x710 [ 8059.017376][ T10] netlink_sendmsg+0x723/0xbe0 [ 8059.017376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8059.017376][ T10] ___sys_sendmsg+0xee/0x170 [ 8059.017376][ T10] __sys_sendmsg+0xcd/0x170 [ 8059.017376][ T10] do_syscall_64+0xc6/0x1e0 [ 8059.017376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8059.017376][ T10] [ 8059.018900][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8059.018900][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8059.018900][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8059.018900][ T10] ipv6_find_idev+0x102/0x170 [ 8059.018900][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8059.018900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8059.018900][ T10] netlink_rcv_skb+0x130/0x360 [ 8059.018900][ T10] netlink_unicast+0x449/0x710 [ 8059.018900][ T10] netlink_sendmsg+0x723/0xbe0 [ 8059.018900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8059.018900][ T10] ___sys_sendmsg+0xee/0x170 [ 8059.018900][ T10] __sys_sendmsg+0xcd/0x170 [ 8059.018900][ T10] do_syscall_64+0xc6/0x1e0 [ 8059.018900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8059.018900][ T10] [ 8059.020575][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8059.020811][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8059.020811][ T10] netdev_get_by_index+0x5e/0x80 [ 8059.020811][ T10] fib6_nh_init+0x3d8/0x1580 [ 8059.020811][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8059.020811][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8059.020811][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8059.020811][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8059.020811][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8059.020811][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8059.020811][ T10] addrconf_dad_begin+0x310/0x670 [ 8059.020811][ T10] addrconf_dad_work+0x10b/0xab0 [ 8059.020811][ T10] process_one_work+0x84d/0x18a0 [ 8059.020811][ T10] worker_thread+0x587/0xd30 [ 8059.020811][ T10] kthread+0x28a/0x350 [ 8059.020811][ T10] ret_from_fork+0x31/0x70 [ 8059.020811][ T10] ret_from_fork_asm+0x1a/0x30 [ 8059.020811][ T10] [ 8059.022703][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8059.022703][ T10] netdev_get_by_index+0x5e/0x80 [ 8059.022703][ T10] fib6_nh_init+0x3d8/0x1580 [ 8059.022703][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8059.022703][ T10] ip6_route_add+0x1c/0x140 [ 8059.022703][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8059.022703][ T10] inet6_addr_add+0x4f8/0xa40 [ 8059.022703][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8059.022703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8059.022703][ T10] netlink_rcv_skb+0x130/0x360 [ 8059.022703][ T10] netlink_unicast+0x449/0x710 [ 8059.022703][ T10] netlink_sendmsg+0x723/0xbe0 [ 8059.022703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8059.022703][ T10] ___sys_sendmsg+0xee/0x170 [ 8059.022703][ T10] __sys_sendmsg+0xcd/0x170 [ 8059.022703][ T10] do_syscall_64+0xc6/0x1e0 [ 8059.022703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8059.022703][ T10] [ 8059.024680][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8059.024680][ T10] netdev_get_by_index+0x5e/0x80 [ 8059.024680][ T10] fib6_nh_init+0x3d8/0x1580 [ 8059.024680][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8059.024680][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8059.024680][ T10] ipv6_add_addr+0x411/0x2000 [ 8059.024680][ T10] inet6_addr_add+0x30e/0xa40 [ 8059.024680][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8059.024680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8059.024680][ T10] netlink_rcv_skb+0x130/0x360 [ 8059.024680][ T10] netlink_unicast+0x449/0x710 [ 8059.024680][ T10] netlink_sendmsg+0x723/0xbe0 [ 8059.024680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8059.024680][ T10] ___sys_sendmsg+0xee/0x170 [ 8059.024680][ T10] __sys_sendmsg+0xcd/0x170 [ 8059.024680][ T10] do_syscall_64+0xc6/0x1e0 [ 8059.024680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8059.024680][ T10] [ 8059.026667][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8059.026667][ T10] netdev_get_by_index+0x5e/0x80 [ 8059.026667][ T10] fib6_nh_init+0x3d8/0x1580 [ 8059.026667][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8059.026667][ T10] ip6_route_add+0x1c/0x140 [ 8059.026667][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8059.026667][ T10] addrconf_add_dev+0xe2/0x170 [ 8059.026667][ T10] inet6_addr_add+0x12f/0xa40 [ 8059.026667][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8059.026667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8059.026667][ T10] netlink_rcv_skb+0x130/0x360 [ 8059.026667][ T10] netlink_unicast+0x449/0x710 [ 8059.026667][ T10] netlink_sendmsg+0x723/0xbe0 [ 8059.026667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8059.026667][ T10] ___sys_sendmsg+0xee/0x170 [ 8059.026667][ T10] __sys_sendmsg+0xcd/0x170 [ 8059.026667][ T10] do_syscall_64+0xc6/0x1e0 [ 8059.026667][ T10] [ 8059.028618][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8059.028618][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8059.028618][ T10] ipv6_find_idev+0x102/0x170 [ 8059.028618][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8059.028618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8059.028618][ T10] netlink_rcv_skb+0x130/0x360 [ 8059.028618][ T10] netlink_unicast+0x449/0x710 [ 8059.028618][ T10] netlink_sendmsg+0x723/0xbe0 [ 8059.028618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8059.028618][ T10] ___sys_sendmsg+0xee/0x170 [ 8059.028618][ T10] __sys_sendmsg+0xcd/0x170 [ 8059.028618][ T10] do_syscall_64+0xc6/0x1e0 [ 8059.028618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8059.028618][ T10] [ 8059.030140][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8059.030140][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8059.030140][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8059.030140][ T10] ipv6_find_idev+0x102/0x170 [ 8059.030140][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8059.030140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8059.030140][ T10] netlink_rcv_skb+0x130/0x360 [ 8059.030140][ T10] netlink_unicast+0x449/0x710 [ 8059.030140][ T10] netlink_sendmsg+0x723/0xbe0 [ 8059.030140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8059.030140][ T10] ___sys_sendmsg+0xee/0x170 [ 8059.030140][ T10] __sys_sendmsg+0xcd/0x170 [ 8059.030140][ T10] do_syscall_64+0xc6/0x1e0 [ 8059.030140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8059.030140][ T10] [ 8059.031811][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8059.032054][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8059.032054][ T10] netdev_get_by_index+0x5e/0x80 [ 8059.032054][ T10] fib6_nh_init+0x3d8/0x1580 [ 8059.032054][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8059.032054][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8059.032054][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8059.032054][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8059.032054][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8059.032054][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8059.032054][ T10] addrconf_dad_begin+0x310/0x670 [ 8059.032054][ T10] addrconf_dad_work+0x10b/0xab0 [ 8059.032054][ T10] process_one_work+0x84d/0x18a0 [ 8059.032054][ T10] worker_thread+0x587/0xd30 [ 8059.032054][ T10] kthread+0x28a/0x350 [ 8059.032054][ T10] ret_from_fork+0x31/0x70 [ 8059.032054][ T10] ret_from_fork_asm+0x1a/0x30 [ 8059.032054][ T10] [ 8059.033951][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8059.033951][ T10] netdev_get_by_index+0x5e/0x80 [ 8059.033951][ T10] fib6_nh_init+0x3d8/0x1580 [ 8059.033951][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8059.033951][ T10] ip6_route_add+0x1c/0x140 [ 8059.033951][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8059.033951][ T10] inet6_addr_add+0x4f8/0xa40 [ 8059.033951][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8059.033951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8059.033951][ T10] netlink_rcv_skb+0x130/0x360 [ 8059.033951][ T10] netlink_unicast+0x449/0x710 [ 8059.033951][ T10] netlink_sendmsg+0x723/0xbe0 [ 8059.033951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8059.033951][ T10] ___sys_sendmsg+0xee/0x170 [ 8059.033951][ T10] __sys_sendmsg+0xcd/0x170 [ 8059.033951][ T10] do_syscall_64+0xc6/0x1e0 [ 8059.033951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8059.033951][ T10] [ 8059.036181][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8059.036181][ T10] netdev_get_by_index+0x5e/0x80 [ 8059.036181][ T10] fib6_nh_init+0x3d8/0x1580 [ 8059.036181][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8059.036181][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8059.036181][ T10] ipv6_add_addr+0x411/0x2000 [ 8059.036181][ T10] inet6_addr_add+0x30e/0xa40 [ 8059.036181][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8059.036181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8059.036181][ T10] netlink_rcv_skb+0x130/0x360 [ 8059.036181][ T10] netlink_unicast+0x449/0x710 [ 8059.036181][ T10] netlink_sendmsg+0x723/0xbe0 [ 8059.036181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8059.036181][ T10] ___sys_sendmsg+0xee/0x170 [ 8059.036181][ T10] __sys_sendmsg+0xcd/0x170 [ 8059.036181][ T10] do_syscall_64+0xc6/0x1e0 [ 8059.036181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8059.036181][ T10] [ 8059.038342][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8059.038342][ T10] netdev_get_by_index+0x5e/0x80 [ 8059.038342][ T10] fib6_nh_init+0x3d8/0x1580 [ 8059.038342][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8059.038342][ T10] ip6_route_add+0x1c/0x140 [ 8059.038342][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8059.038342][ T10] addrconf_add_dev+0xe2/0x170 [ 8059.038342][ T10] inet6_addr_add+0x12f/0xa40 [ 8059.038342][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8059.038342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8059.038342][ T10] netlink_rcv_skb+0x130/0x360 [ 8059.038342][ T10] netlink_unicast+0x449/0x710 [ 8059.038342][ T10] netlink_sendmsg+0x723/0xbe0 [ 8059.038342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8059.038342][ T10] ___sys_sendmsg+0xee/0x170 [ 8059.038342][ T10] __sys_sendmsg+0xcd/0x170 [ 8059.038342][ T10] do_syscall_64+0xc6/0x1e0 [ 8059.038342][ T10] [ 8059.040539][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8059.040539][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8059.040539][ T10] ipv6_find_idev+0x102/0x170 [ 8059.040539][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8059.040539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8059.040539][ T10] netlink_rcv_skb+0x130/0x360 [ 8059.040539][ T10] netlink_unicast+0x449/0x710 [ 8059.040539][ T10] netlink_sendmsg+0x723/0xbe0 [ 8059.040539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8059.040539][ T10] ___sys_sendmsg+0xee/0x170 [ 8059.040539][ T10] __sys_sendmsg+0xcd/0x170 [ 8059.040539][ T10] do_syscall_64+0xc6/0x1e0 [ 8059.040539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8059.040539][ T10] [ 8059.042302][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8059.042302][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8059.042302][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8059.042302][ T10] ipv6_find_idev+0x102/0x170 [ 8059.042302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8059.042302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8059.042302][ T10] netlink_rcv_skb+0x130/0x360 [ 8059.042302][ T10] netlink_unicast+0x449/0x710 [ 8059.042302][ T10] netlink_sendmsg+0x723/0xbe0 [ 8059.042302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8059.042302][ T10] ___sys_sendmsg+0xee/0x170 [ 8059.042302][ T10] __sys_sendmsg+0xcd/0x170 [ 8059.042302][ T10] do_syscall_64+0xc6/0x1e0 [ 8059.042302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8059.042302][ T10] [ 8059.044152][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8059.044450][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8059.044450][ T10] netdev_get_by_index+0x5e/0x80 [ 8059.044450][ T10] fib6_nh_init+0x3d8/0x1580 [ 8059.044450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8059.044450][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8059.044450][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8059.044450][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8059.044450][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8059.044450][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8059.044450][ T10] addrconf_dad_begin+0x310/0x670 [ 8059.044450][ T10] addrconf_dad_work+0x10b/0xab0 [ 8059.044450][ T10] process_one_work+0x84d/0x18a0 [ 8059.044450][ T10] worker_thread+0x587/0xd30 [ 8059.044450][ T10] kthread+0x28a/0x350 [ 8059.044450][ T10] ret_from_fork+0x31/0x70 [ 8059.044450][ T10] ret_from_fork_asm+0x1a/0x30 [ 8059.044450][ T10] [ 8059.046455][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8059.046455][ T10] netdev_get_by_index+0x5e/0x80 [ 8059.046455][ T10] fib6_nh_init+0x3d8/0x1580 [ 8059.046455][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8059.046455][ T10] ip6_route_add+0x1c/0x140 [ 8059.046455][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8059.046455][ T10] inet6_addr_add+0x4f8/0xa40 [ 8059.046455][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8059.046455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8059.046455][ T10] netlink_rcv_skb+0x130/0x360 [ 8059.046455][ T10] netlink_unicast+0x449/0x710 [ 8059.046455][ T10] netlink_sendmsg+0x723/0xbe0 [ 8059.046455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8059.046455][ T10] ___sys_sendmsg+0xee/0x170 [ 8059.046455][ T10] __sys_sendmsg+0xcd/0x170 [ 8059.046455][ T10] do_syscall_64+0xc6/0x1e0 [ 8059.046455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8059.046455][ T10] [ 8059.048668][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8059.048668][ T10] netdev_get_by_index+0x5e/0x80 [ 8059.048668][ T10] fib6_nh_init+0x3d8/0x1580 [ 8059.048668][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8059.048668][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8059.048668][ T10] ipv6_add_addr+0x411/0x2000 [ 8059.048668][ T10] inet6_addr_add+0x30e/0xa40 [ 8059.048668][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8059.048668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8059.048668][ T10] netlink_rcv_skb+0x130/0x360 [ 8059.048668][ T10] netlink_unicast+0x449/0x710 [ 8059.048668][ T10] netlink_sendmsg+0x723/0xbe0 [ 8059.048668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8059.048668][ T10] ___sys_sendmsg+0xee/0x170 [ 8059.048668][ T10] __sys_sendmsg+0xcd/0x170 [ 8059.048668][ T10] do_syscall_64+0xc6/0x1e0 [ 8059.048668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8059.048668][ T10] [ 8059.050956][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8059.050956][ T10] netdev_get_by_index+0x5e/0x80 [ 8059.050956][ T10] fib6_nh_init+0x3d8/0x1580 [ 8059.050956][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8059.050956][ T10] ip6_route_add+0x1c/0x140 [ 8059.050956][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8059.050956][ T10] addrconf_add_dev+0xe2/0x170 [ 8059.050956][ T10] inet6_addr_add+0x12f/0xa40 [ 8059.050956][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8059.050956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8059.050956][ T10] netlink_rcv_skb+0x130/0x360 [ 8059.050956][ T10] netlink_unicast+0x449/0x710 [ 8059.050956][ T10] netlink_sendmsg+0x723/0xbe0 [ 8059.050956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8059.050956][ T10] ___sys_sendmsg+0xee/0x170 [ 8059.050956][ T10] __sys_sendmsg+0xcd/0x170 [ 8059.050956][ T10] do_syscall_64+0xc6/0x1e0 [ 8059.050956][ T10] [ 8059.053134][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8059.053134][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8059.053134][ T10] ipv6_find_idev+0x102/0x170 [ 8059.053134][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8059.053134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8059.053134][ T10] netlink_rcv_skb+0x130/0x360 [ 8059.053134][ T10] netlink_unicast+0x449/0x710 [ 8059.053134][ T10] netlink_sendmsg+0x723/0xbe0 [ 8059.053134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8059.053134][ T10] ___sys_sendmsg+0xee/0x170 [ 8059.053134][ T10] __sys_sendmsg+0xcd/0x170 [ 8059.053134][ T10] do_syscall_64+0xc6/0x1e0 [ 8059.053134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8059.053134][ T10] [ 8059.054832][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8059.054832][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8059.054832][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8059.054832][ T10] ipv6_find_idev+0x102/0x170 [ 8059.054832][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8059.054832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8059.054832][ T10] netlink_rcv_skb+0x130/0x360 [ 8059.054832][ T10] netlink_unicast+0x449/0x710 [ 8059.054832][ T10] netlink_sendmsg+0x723/0xbe0 [ 8059.054832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8059.054832][ T10] ___sys_sendmsg+0xee/0x170 [ 8059.054832][ T10] __sys_sendmsg+0xcd/0x170 [ 8059.054832][ T10] do_syscall_64+0xc6/0x1e0 [ 8059.054832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8059.054832][ T10] [ 8059.745127][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8059.745578][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8059.745578][ T1167] dst_init+0x84/0x4a0 [ 8059.745578][ T1167] dst_alloc+0x97/0x150 [ 8059.745578][ T1167] ip6_dst_alloc+0x23/0x90 [ 8059.745578][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8059.745578][ T1167] ip6_pol_route+0x56f/0x840 [ 8059.745578][ T1167] fib6_rule_lookup+0x334/0x630 [ 8059.745578][ T1167] ip6_route_output_flags+0x259/0x480 [ 8059.745578][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8059.745578][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8059.745578][ T1167] netlink_rcv_skb+0x130/0x360 [ 8059.745578][ T1167] netlink_unicast+0x449/0x710 [ 8059.745578][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8059.745578][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8059.745578][ T1167] ___sys_sendmsg+0xee/0x170 [ 8059.745578][ T1167] __sys_sendmsg+0xcd/0x170 [ 8059.745578][ T1167] do_syscall_64+0xc6/0x1e0 [ 8059.745578][ T1167] [ 8059.747782][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8059.747782][ T1167] netdev_get_by_index+0x5e/0x80 [ 8059.747782][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8059.747782][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8059.747782][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8059.747782][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8059.747782][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8059.747782][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8059.747782][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8059.747782][ T1167] addrconf_dad_begin+0x310/0x670 [ 8059.747782][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8059.747782][ T1167] process_one_work+0x84d/0x18a0 [ 8059.747782][ T1167] worker_thread+0x587/0xd30 [ 8059.747782][ T1167] kthread+0x28a/0x350 [ 8059.747782][ T1167] ret_from_fork+0x31/0x70 [ 8059.747782][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8059.747782][ T1167] [ 8059.749926][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8059.749926][ T1167] netdev_get_by_index+0x5e/0x80 [ 8059.749926][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8059.749926][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8059.749926][ T1167] ip6_route_add+0x1c/0x140 [ 8059.749926][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8059.749926][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8059.749926][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8059.749926][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8059.749926][ T1167] netlink_rcv_skb+0x130/0x360 [ 8059.749926][ T1167] netlink_unicast+0x449/0x710 [ 8059.749926][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8059.749926][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8059.749926][ T1167] ___sys_sendmsg+0xee/0x170 [ 8059.749926][ T1167] __sys_sendmsg+0xcd/0x170 [ 8059.749926][ T1167] do_syscall_64+0xc6/0x1e0 [ 8059.749926][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8059.749926][ T1167] [ 8059.752181][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8059.752181][ T1167] netdev_get_by_index+0x5e/0x80 [ 8059.752181][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8059.752181][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8059.752181][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8059.752181][ T1167] ipv6_add_addr+0x411/0x2000 [ 8059.752181][ T1167] inet6_addr_add+0x30e/0xa40 [ 8059.752181][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8059.752181][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8059.752181][ T1167] netlink_rcv_skb+0x130/0x360 [ 8059.752181][ T1167] netlink_unicast+0x449/0x710 [ 8059.752181][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8059.752181][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8059.752181][ T1167] ___sys_sendmsg+0xee/0x170 [ 8059.752181][ T1167] __sys_sendmsg+0xcd/0x170 [ 8059.752181][ T1167] do_syscall_64+0xc6/0x1e0 [ 8059.752181][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8059.752181][ T1167] [ 8059.754425][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8059.754425][ T1167] netdev_get_by_index+0x5e/0x80 [ 8059.754425][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8059.754425][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8059.754425][ T1167] ip6_route_add+0x1c/0x140 [ 8059.754425][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8059.754425][ T1167] addrconf_add_dev+0xe2/0x170 [ 8059.754425][ T1167] inet6_addr_add+0x12f/0xa40 [ 8059.754425][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8059.754425][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8059.754425][ T1167] netlink_rcv_skb+0x130/0x360 [ 8059.754425][ T1167] netlink_unicast+0x449/0x710 [ 8059.754425][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8059.754425][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8059.754425][ T1167] ___sys_sendmsg+0xee/0x170 [ 8059.754425][ T1167] __sys_sendmsg+0xcd/0x170 [ 8059.754425][ T1167] do_syscall_64+0xc6/0x1e0 [ 8059.754425][ T1167] [ 8059.756643][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8059.756643][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8059.756643][ T1167] ipv6_find_idev+0x102/0x170 [ 8059.756643][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8059.756643][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8059.756643][ T1167] netlink_rcv_skb+0x130/0x360 [ 8059.756643][ T1167] netlink_unicast+0x449/0x710 [ 8059.756643][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8059.756643][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8059.756643][ T1167] ___sys_sendmsg+0xee/0x170 [ 8059.756643][ T1167] __sys_sendmsg+0xcd/0x170 [ 8059.756643][ T1167] do_syscall_64+0xc6/0x1e0 [ 8059.756643][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8059.756643][ T1167] [ 8059.758376][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8059.758376][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8059.758376][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8059.758376][ T1167] ipv6_find_idev+0x102/0x170 [ 8059.758376][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8059.758376][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8059.758376][ T1167] netlink_rcv_skb+0x130/0x360 [ 8059.758376][ T1167] netlink_unicast+0x449/0x710 [ 8059.758376][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8059.758376][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8059.758376][ T1167] ___sys_sendmsg+0xee/0x170 [ 8059.758376][ T1167] __sys_sendmsg+0xcd/0x170 [ 8059.758376][ T1167] do_syscall_64+0xc6/0x1e0 [ 8059.758376][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8059.758376][ T1167] [ 8069.209074][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8069.209423][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8069.209423][ T10] netdev_get_by_index+0x5e/0x80 [ 8069.209423][ T10] fib6_nh_init+0x3d8/0x1580 [ 8069.209423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8069.209423][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8069.209423][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8069.209423][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8069.209423][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8069.209423][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8069.209423][ T10] addrconf_dad_begin+0x310/0x670 [ 8069.209423][ T10] addrconf_dad_work+0x10b/0xab0 [ 8069.209423][ T10] process_one_work+0x84d/0x18a0 [ 8069.209423][ T10] worker_thread+0x587/0xd30 [ 8069.209423][ T10] kthread+0x28a/0x350 [ 8069.209423][ T10] ret_from_fork+0x31/0x70 [ 8069.209423][ T10] ret_from_fork_asm+0x1a/0x30 [ 8069.209423][ T10] [ 8069.211362][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8069.211362][ T10] netdev_get_by_index+0x5e/0x80 [ 8069.211362][ T10] fib6_nh_init+0x3d8/0x1580 [ 8069.211362][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8069.211362][ T10] ip6_route_add+0x1c/0x140 [ 8069.211362][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8069.211362][ T10] inet6_addr_add+0x4f8/0xa40 [ 8069.211362][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8069.211362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8069.211362][ T10] netlink_rcv_skb+0x130/0x360 [ 8069.211362][ T10] netlink_unicast+0x449/0x710 [ 8069.211362][ T10] netlink_sendmsg+0x723/0xbe0 [ 8069.211362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8069.211362][ T10] ___sys_sendmsg+0xee/0x170 [ 8069.211362][ T10] __sys_sendmsg+0xcd/0x170 [ 8069.211362][ T10] do_syscall_64+0xc6/0x1e0 [ 8069.211362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8069.211362][ T10] [ 8069.213364][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8069.213364][ T10] netdev_get_by_index+0x5e/0x80 [ 8069.213364][ T10] fib6_nh_init+0x3d8/0x1580 [ 8069.213364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8069.213364][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8069.213364][ T10] ipv6_add_addr+0x411/0x2000 [ 8069.213364][ T10] inet6_addr_add+0x30e/0xa40 [ 8069.213364][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8069.213364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8069.213364][ T10] netlink_rcv_skb+0x130/0x360 [ 8069.213364][ T10] netlink_unicast+0x449/0x710 [ 8069.213364][ T10] netlink_sendmsg+0x723/0xbe0 [ 8069.213364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8069.213364][ T10] ___sys_sendmsg+0xee/0x170 [ 8069.213364][ T10] __sys_sendmsg+0xcd/0x170 [ 8069.213364][ T10] do_syscall_64+0xc6/0x1e0 [ 8069.213364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8069.213364][ T10] [ 8069.215351][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8069.215351][ T10] netdev_get_by_index+0x5e/0x80 [ 8069.215351][ T10] fib6_nh_init+0x3d8/0x1580 [ 8069.215351][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8069.215351][ T10] ip6_route_add+0x1c/0x140 [ 8069.215351][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8069.215351][ T10] addrconf_add_dev+0xe2/0x170 [ 8069.215351][ T10] inet6_addr_add+0x12f/0xa40 [ 8069.215351][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8069.215351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8069.215351][ T10] netlink_rcv_skb+0x130/0x360 [ 8069.215351][ T10] netlink_unicast+0x449/0x710 [ 8069.215351][ T10] netlink_sendmsg+0x723/0xbe0 [ 8069.215351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8069.215351][ T10] ___sys_sendmsg+0xee/0x170 [ 8069.215351][ T10] __sys_sendmsg+0xcd/0x170 [ 8069.215351][ T10] do_syscall_64+0xc6/0x1e0 [ 8069.215351][ T10] [ 8069.217297][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8069.217297][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8069.217297][ T10] ipv6_find_idev+0x102/0x170 [ 8069.217297][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8069.217297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8069.217297][ T10] netlink_rcv_skb+0x130/0x360 [ 8069.217297][ T10] netlink_unicast+0x449/0x710 [ 8069.217297][ T10] netlink_sendmsg+0x723/0xbe0 [ 8069.217297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8069.217297][ T10] ___sys_sendmsg+0xee/0x170 [ 8069.217297][ T10] __sys_sendmsg+0xcd/0x170 [ 8069.217297][ T10] do_syscall_64+0xc6/0x1e0 [ 8069.217297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8069.217297][ T10] [ 8069.218846][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8069.218846][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8069.218846][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8069.218846][ T10] ipv6_find_idev+0x102/0x170 [ 8069.218846][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8069.218846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8069.218846][ T10] netlink_rcv_skb+0x130/0x360 [ 8069.218846][ T10] netlink_unicast+0x449/0x710 [ 8069.218846][ T10] netlink_sendmsg+0x723/0xbe0 [ 8069.218846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8069.218846][ T10] ___sys_sendmsg+0xee/0x170 [ 8069.218846][ T10] __sys_sendmsg+0xcd/0x170 [ 8069.218846][ T10] do_syscall_64+0xc6/0x1e0 [ 8069.218846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8069.218846][ T10] [ 8069.220536][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8069.220783][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8069.220783][ T10] netdev_get_by_index+0x5e/0x80 [ 8069.220783][ T10] fib6_nh_init+0x3d8/0x1580 [ 8069.220783][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8069.220783][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8069.220783][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8069.220783][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8069.220783][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8069.220783][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8069.220783][ T10] addrconf_dad_begin+0x310/0x670 [ 8069.220783][ T10] addrconf_dad_work+0x10b/0xab0 [ 8069.220783][ T10] process_one_work+0x84d/0x18a0 [ 8069.220783][ T10] worker_thread+0x587/0xd30 [ 8069.220783][ T10] kthread+0x28a/0x350 [ 8069.220783][ T10] ret_from_fork+0x31/0x70 [ 8069.220783][ T10] ret_from_fork_asm+0x1a/0x30 [ 8069.220783][ T10] [ 8069.222667][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8069.222667][ T10] netdev_get_by_index+0x5e/0x80 [ 8069.222667][ T10] fib6_nh_init+0x3d8/0x1580 [ 8069.222667][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8069.222667][ T10] ip6_route_add+0x1c/0x140 [ 8069.222667][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8069.222667][ T10] inet6_addr_add+0x4f8/0xa40 [ 8069.222667][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8069.222667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8069.222667][ T10] netlink_rcv_skb+0x130/0x360 [ 8069.222667][ T10] netlink_unicast+0x449/0x710 [ 8069.222667][ T10] netlink_sendmsg+0x723/0xbe0 [ 8069.222667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8069.222667][ T10] ___sys_sendmsg+0xee/0x170 [ 8069.222667][ T10] __sys_sendmsg+0xcd/0x170 [ 8069.222667][ T10] do_syscall_64+0xc6/0x1e0 [ 8069.222667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8069.222667][ T10] [ 8069.224644][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8069.224644][ T10] netdev_get_by_index+0x5e/0x80 [ 8069.224644][ T10] fib6_nh_init+0x3d8/0x1580 [ 8069.224644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8069.224644][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8069.224644][ T10] ipv6_add_addr+0x411/0x2000 [ 8069.224644][ T10] inet6_addr_add+0x30e/0xa40 [ 8069.224644][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8069.224644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8069.224644][ T10] netlink_rcv_skb+0x130/0x360 [ 8069.224644][ T10] netlink_unicast+0x449/0x710 [ 8069.224644][ T10] netlink_sendmsg+0x723/0xbe0 [ 8069.224644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8069.224644][ T10] ___sys_sendmsg+0xee/0x170 [ 8069.224644][ T10] __sys_sendmsg+0xcd/0x170 [ 8069.224644][ T10] do_syscall_64+0xc6/0x1e0 [ 8069.224644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8069.224644][ T10] [ 8069.226618][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8069.226618][ T10] netdev_get_by_index+0x5e/0x80 [ 8069.226618][ T10] fib6_nh_init+0x3d8/0x1580 [ 8069.226618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8069.226618][ T10] ip6_route_add+0x1c/0x140 [ 8069.226618][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8069.226618][ T10] addrconf_add_dev+0xe2/0x170 [ 8069.226618][ T10] inet6_addr_add+0x12f/0xa40 [ 8069.226618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8069.226618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8069.226618][ T10] netlink_rcv_skb+0x130/0x360 [ 8069.226618][ T10] netlink_unicast+0x449/0x710 [ 8069.226618][ T10] netlink_sendmsg+0x723/0xbe0 [ 8069.226618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8069.226618][ T10] ___sys_sendmsg+0xee/0x170 [ 8069.226618][ T10] __sys_sendmsg+0xcd/0x170 [ 8069.226618][ T10] do_syscall_64+0xc6/0x1e0 [ 8069.226618][ T10] [ 8069.228562][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8069.228562][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8069.228562][ T10] ipv6_find_idev+0x102/0x170 [ 8069.228562][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8069.228562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8069.228562][ T10] netlink_rcv_skb+0x130/0x360 [ 8069.228562][ T10] netlink_unicast+0x449/0x710 [ 8069.228562][ T10] netlink_sendmsg+0x723/0xbe0 [ 8069.228562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8069.228562][ T10] ___sys_sendmsg+0xee/0x170 [ 8069.228562][ T10] __sys_sendmsg+0xcd/0x170 [ 8069.228562][ T10] do_syscall_64+0xc6/0x1e0 [ 8069.228562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8069.228562][ T10] [ 8069.230085][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8069.230085][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8069.230085][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8069.230085][ T10] ipv6_find_idev+0x102/0x170 [ 8069.230085][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8069.230085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8069.230085][ T10] netlink_rcv_skb+0x130/0x360 [ 8069.230085][ T10] netlink_unicast+0x449/0x710 [ 8069.230085][ T10] netlink_sendmsg+0x723/0xbe0 [ 8069.230085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8069.230085][ T10] ___sys_sendmsg+0xee/0x170 [ 8069.230085][ T10] __sys_sendmsg+0xcd/0x170 [ 8069.230085][ T10] do_syscall_64+0xc6/0x1e0 [ 8069.230085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8069.230085][ T10] [ 8069.231749][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8069.231983][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8069.231983][ T10] netdev_get_by_index+0x5e/0x80 [ 8069.231983][ T10] fib6_nh_init+0x3d8/0x1580 [ 8069.231983][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8069.231983][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8069.231983][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8069.231983][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8069.231983][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8069.231983][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8069.231983][ T10] addrconf_dad_begin+0x310/0x670 [ 8069.231983][ T10] addrconf_dad_work+0x10b/0xab0 [ 8069.231983][ T10] process_one_work+0x84d/0x18a0 [ 8069.231983][ T10] worker_thread+0x587/0xd30 [ 8069.231983][ T10] kthread+0x28a/0x350 [ 8069.231983][ T10] ret_from_fork+0x31/0x70 [ 8069.231983][ T10] ret_from_fork_asm+0x1a/0x30 [ 8069.231983][ T10] [ 8069.233877][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8069.233877][ T10] netdev_get_by_index+0x5e/0x80 [ 8069.233877][ T10] fib6_nh_init+0x3d8/0x1580 [ 8069.233877][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8069.233877][ T10] ip6_route_add+0x1c/0x140 [ 8069.233877][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8069.233877][ T10] inet6_addr_add+0x4f8/0xa40 [ 8069.233877][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8069.233877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8069.233877][ T10] netlink_rcv_skb+0x130/0x360 [ 8069.233877][ T10] netlink_unicast+0x449/0x710 [ 8069.233877][ T10] netlink_sendmsg+0x723/0xbe0 [ 8069.233877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8069.233877][ T10] ___sys_sendmsg+0xee/0x170 [ 8069.233877][ T10] __sys_sendmsg+0xcd/0x170 [ 8069.233877][ T10] do_syscall_64+0xc6/0x1e0 [ 8069.233877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8069.233877][ T10] [ 8069.236036][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8069.236036][ T10] netdev_get_by_index+0x5e/0x80 [ 8069.236036][ T10] fib6_nh_init+0x3d8/0x1580 [ 8069.236036][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8069.236036][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8069.236036][ T10] ipv6_add_addr+0x411/0x2000 [ 8069.236036][ T10] inet6_addr_add+0x30e/0xa40 [ 8069.236036][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8069.236036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8069.236036][ T10] netlink_rcv_skb+0x130/0x360 [ 8069.236036][ T10] netlink_unicast+0x449/0x710 [ 8069.236036][ T10] netlink_sendmsg+0x723/0xbe0 [ 8069.236036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8069.236036][ T10] ___sys_sendmsg+0xee/0x170 [ 8069.236036][ T10] __sys_sendmsg+0xcd/0x170 [ 8069.236036][ T10] do_syscall_64+0xc6/0x1e0 [ 8069.236036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8069.236036][ T10] [ 8069.238262][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8069.238262][ T10] netdev_get_by_index+0x5e/0x80 [ 8069.238262][ T10] fib6_nh_init+0x3d8/0x1580 [ 8069.238262][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8069.238262][ T10] ip6_route_add+0x1c/0x140 [ 8069.238262][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8069.238262][ T10] addrconf_add_dev+0xe2/0x170 [ 8069.238262][ T10] inet6_addr_add+0x12f/0xa40 [ 8069.238262][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8069.238262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8069.238262][ T10] netlink_rcv_skb+0x130/0x360 [ 8069.238262][ T10] netlink_unicast+0x449/0x710 [ 8069.238262][ T10] netlink_sendmsg+0x723/0xbe0 [ 8069.238262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8069.238262][ T10] ___sys_sendmsg+0xee/0x170 [ 8069.238262][ T10] __sys_sendmsg+0xcd/0x170 [ 8069.238262][ T10] do_syscall_64+0xc6/0x1e0 [ 8069.238262][ T10] [ 8069.240541][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8069.240541][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8069.240541][ T10] ipv6_find_idev+0x102/0x170 [ 8069.240541][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8069.240541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8069.240541][ T10] netlink_rcv_skb+0x130/0x360 [ 8069.240541][ T10] netlink_unicast+0x449/0x710 [ 8069.240541][ T10] netlink_sendmsg+0x723/0xbe0 [ 8069.240541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8069.240541][ T10] ___sys_sendmsg+0xee/0x170 [ 8069.240541][ T10] __sys_sendmsg+0xcd/0x170 [ 8069.240541][ T10] do_syscall_64+0xc6/0x1e0 [ 8069.240541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8069.240541][ T10] [ 8069.242182][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8069.242182][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8069.242182][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8069.242182][ T10] ipv6_find_idev+0x102/0x170 [ 8069.242182][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8069.242182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8069.242182][ T10] netlink_rcv_skb+0x130/0x360 [ 8069.242182][ T10] netlink_unicast+0x449/0x710 [ 8069.242182][ T10] netlink_sendmsg+0x723/0xbe0 [ 8069.242182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8069.242182][ T10] ___sys_sendmsg+0xee/0x170 [ 8069.242182][ T10] __sys_sendmsg+0xcd/0x170 [ 8069.242182][ T10] do_syscall_64+0xc6/0x1e0 [ 8069.242182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8069.242182][ T10] [ 8069.244029][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8069.244262][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8069.244262][ T10] netdev_get_by_index+0x5e/0x80 [ 8069.244262][ T10] fib6_nh_init+0x3d8/0x1580 [ 8069.244262][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8069.244262][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8069.244262][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8069.244262][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8069.244262][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8069.244262][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8069.244262][ T10] addrconf_dad_begin+0x310/0x670 [ 8069.244262][ T10] addrconf_dad_work+0x10b/0xab0 [ 8069.244262][ T10] process_one_work+0x84d/0x18a0 [ 8069.244262][ T10] worker_thread+0x587/0xd30 [ 8069.244262][ T10] kthread+0x28a/0x350 [ 8069.244262][ T10] ret_from_fork+0x31/0x70 [ 8069.244262][ T10] ret_from_fork_asm+0x1a/0x30 [ 8069.244262][ T10] [ 8069.246391][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8069.246391][ T10] netdev_get_by_index+0x5e/0x80 [ 8069.246391][ T10] fib6_nh_init+0x3d8/0x1580 [ 8069.246391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8069.246391][ T10] ip6_route_add+0x1c/0x140 [ 8069.246391][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8069.246391][ T10] inet6_addr_add+0x4f8/0xa40 [ 8069.246391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8069.246391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8069.246391][ T10] netlink_rcv_skb+0x130/0x360 [ 8069.246391][ T10] netlink_unicast+0x449/0x710 [ 8069.246391][ T10] netlink_sendmsg+0x723/0xbe0 [ 8069.246391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8069.246391][ T10] ___sys_sendmsg+0xee/0x170 [ 8069.246391][ T10] __sys_sendmsg+0xcd/0x170 [ 8069.246391][ T10] do_syscall_64+0xc6/0x1e0 [ 8069.246391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8069.246391][ T10] [ 8069.248614][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8069.248614][ T10] netdev_get_by_index+0x5e/0x80 [ 8069.248614][ T10] fib6_nh_init+0x3d8/0x1580 [ 8069.248614][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8069.248614][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8069.248614][ T10] ipv6_add_addr+0x411/0x2000 [ 8069.248614][ T10] inet6_addr_add+0x30e/0xa40 [ 8069.248614][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8069.248614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8069.248614][ T10] netlink_rcv_skb+0x130/0x360 [ 8069.248614][ T10] netlink_unicast+0x449/0x710 [ 8069.248614][ T10] netlink_sendmsg+0x723/0xbe0 [ 8069.248614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8069.248614][ T10] ___sys_sendmsg+0xee/0x170 [ 8069.248614][ T10] __sys_sendmsg+0xcd/0x170 [ 8069.248614][ T10] do_syscall_64+0xc6/0x1e0 [ 8069.248614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8069.248614][ T10] [ 8069.250778][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8069.250778][ T10] netdev_get_by_index+0x5e/0x80 [ 8069.250778][ T10] fib6_nh_init+0x3d8/0x1580 [ 8069.250778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8069.250778][ T10] ip6_route_add+0x1c/0x140 [ 8069.250778][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8069.250778][ T10] addrconf_add_dev+0xe2/0x170 [ 8069.250778][ T10] inet6_addr_add+0x12f/0xa40 [ 8069.250778][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8069.250778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8069.250778][ T10] netlink_rcv_skb+0x130/0x360 [ 8069.250778][ T10] netlink_unicast+0x449/0x710 [ 8069.250778][ T10] netlink_sendmsg+0x723/0xbe0 [ 8069.250778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8069.250778][ T10] ___sys_sendmsg+0xee/0x170 [ 8069.250778][ T10] __sys_sendmsg+0xcd/0x170 [ 8069.250778][ T10] do_syscall_64+0xc6/0x1e0 [ 8069.250778][ T10] [ 8069.252898][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8069.252898][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8069.252898][ T10] ipv6_find_idev+0x102/0x170 [ 8069.252898][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8069.252898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8069.252898][ T10] netlink_rcv_skb+0x130/0x360 [ 8069.252898][ T10] netlink_unicast+0x449/0x710 [ 8069.252898][ T10] netlink_sendmsg+0x723/0xbe0 [ 8069.252898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8069.252898][ T10] ___sys_sendmsg+0xee/0x170 [ 8069.252898][ T10] __sys_sendmsg+0xcd/0x170 [ 8069.252898][ T10] do_syscall_64+0xc6/0x1e0 [ 8069.252898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8069.252898][ T10] [ 8069.254600][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8069.254600][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8069.254600][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8069.254600][ T10] ipv6_find_idev+0x102/0x170 [ 8069.254600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8069.254600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8069.254600][ T10] netlink_rcv_skb+0x130/0x360 [ 8069.254600][ T10] netlink_unicast+0x449/0x710 [ 8069.254600][ T10] netlink_sendmsg+0x723/0xbe0 [ 8069.254600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8069.254600][ T10] ___sys_sendmsg+0xee/0x170 [ 8069.254600][ T10] __sys_sendmsg+0xcd/0x170 [ 8069.254600][ T10] do_syscall_64+0xc6/0x1e0 [ 8069.254600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8069.254600][ T10] [ 8069.857124][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8069.857537][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8069.857537][ T1167] dst_init+0x84/0x4a0 [ 8069.857537][ T1167] dst_alloc+0x97/0x150 [ 8069.857537][ T1167] ip6_dst_alloc+0x23/0x90 [ 8069.857537][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8069.857537][ T1167] ip6_pol_route+0x56f/0x840 [ 8069.857537][ T1167] fib6_rule_lookup+0x334/0x630 [ 8069.857537][ T1167] ip6_route_output_flags+0x259/0x480 [ 8069.857537][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8069.857537][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8069.857537][ T1167] netlink_rcv_skb+0x130/0x360 [ 8069.857537][ T1167] netlink_unicast+0x449/0x710 [ 8069.857537][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8069.857537][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8069.857537][ T1167] ___sys_sendmsg+0xee/0x170 [ 8069.857537][ T1167] __sys_sendmsg+0xcd/0x170 [ 8069.857537][ T1167] do_syscall_64+0xc6/0x1e0 [ 8069.857537][ T1167] [ 8069.859751][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8069.859751][ T1167] netdev_get_by_index+0x5e/0x80 [ 8069.859751][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8069.859751][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8069.859751][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8069.859751][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8069.859751][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8069.859751][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8069.859751][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8069.859751][ T1167] addrconf_dad_begin+0x310/0x670 [ 8069.859751][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8069.859751][ T1167] process_one_work+0x84d/0x18a0 [ 8069.859751][ T1167] worker_thread+0x587/0xd30 [ 8069.859751][ T1167] kthread+0x28a/0x350 [ 8069.859751][ T1167] ret_from_fork+0x31/0x70 [ 8069.859751][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8069.859751][ T1167] [ 8069.861917][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8069.861917][ T1167] netdev_get_by_index+0x5e/0x80 [ 8069.861917][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8069.861917][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8069.861917][ T1167] ip6_route_add+0x1c/0x140 [ 8069.861917][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8069.861917][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8069.861917][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8069.861917][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8069.861917][ T1167] netlink_rcv_skb+0x130/0x360 [ 8069.861917][ T1167] netlink_unicast+0x449/0x710 [ 8069.861917][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8069.861917][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8069.861917][ T1167] ___sys_sendmsg+0xee/0x170 [ 8069.861917][ T1167] __sys_sendmsg+0xcd/0x170 [ 8069.861917][ T1167] do_syscall_64+0xc6/0x1e0 [ 8069.861917][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8069.861917][ T1167] [ 8069.864174][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8069.864174][ T1167] netdev_get_by_index+0x5e/0x80 [ 8069.864174][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8069.864174][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8069.864174][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8069.864174][ T1167] ipv6_add_addr+0x411/0x2000 [ 8069.864174][ T1167] inet6_addr_add+0x30e/0xa40 [ 8069.864174][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8069.864174][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8069.864174][ T1167] netlink_rcv_skb+0x130/0x360 [ 8069.864174][ T1167] netlink_unicast+0x449/0x710 [ 8069.864174][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8069.864174][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8069.864174][ T1167] ___sys_sendmsg+0xee/0x170 [ 8069.864174][ T1167] __sys_sendmsg+0xcd/0x170 [ 8069.864174][ T1167] do_syscall_64+0xc6/0x1e0 [ 8069.864174][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8069.864174][ T1167] [ 8069.866434][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8069.866434][ T1167] netdev_get_by_index+0x5e/0x80 [ 8069.866434][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8069.866434][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8069.866434][ T1167] ip6_route_add+0x1c/0x140 [ 8069.866434][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8069.866434][ T1167] addrconf_add_dev+0xe2/0x170 [ 8069.866434][ T1167] inet6_addr_add+0x12f/0xa40 [ 8069.866434][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8069.866434][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8069.866434][ T1167] netlink_rcv_skb+0x130/0x360 [ 8069.866434][ T1167] netlink_unicast+0x449/0x710 [ 8069.866434][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8069.866434][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8069.866434][ T1167] ___sys_sendmsg+0xee/0x170 [ 8069.866434][ T1167] __sys_sendmsg+0xcd/0x170 [ 8069.866434][ T1167] do_syscall_64+0xc6/0x1e0 [ 8069.866434][ T1167] [ 8069.868662][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8069.868662][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8069.868662][ T1167] ipv6_find_idev+0x102/0x170 [ 8069.868662][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8069.868662][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8069.868662][ T1167] netlink_rcv_skb+0x130/0x360 [ 8069.868662][ T1167] netlink_unicast+0x449/0x710 [ 8069.868662][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8069.868662][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8069.868662][ T1167] ___sys_sendmsg+0xee/0x170 [ 8069.868662][ T1167] __sys_sendmsg+0xcd/0x170 [ 8069.868662][ T1167] do_syscall_64+0xc6/0x1e0 [ 8069.868662][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8069.868662][ T1167] [ 8069.870408][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8069.870408][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8069.870408][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8069.870408][ T1167] ipv6_find_idev+0x102/0x170 [ 8069.870408][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8069.870408][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8069.870408][ T1167] netlink_rcv_skb+0x130/0x360 [ 8069.870408][ T1167] netlink_unicast+0x449/0x710 [ 8069.870408][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8069.870408][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8069.870408][ T1167] ___sys_sendmsg+0xee/0x170 [ 8069.870408][ T1167] __sys_sendmsg+0xcd/0x170 [ 8069.870408][ T1167] do_syscall_64+0xc6/0x1e0 [ 8069.870408][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8069.870408][ T1167] [ 8079.505108][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8079.505557][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8079.505557][ T10] netdev_get_by_index+0x5e/0x80 [ 8079.505557][ T10] fib6_nh_init+0x3d8/0x1580 [ 8079.505557][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8079.505557][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8079.505557][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8079.505557][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8079.505557][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8079.505557][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8079.505557][ T10] addrconf_dad_begin+0x310/0x670 [ 8079.505557][ T10] addrconf_dad_work+0x10b/0xab0 [ 8079.505557][ T10] process_one_work+0x84d/0x18a0 [ 8079.505557][ T10] worker_thread+0x587/0xd30 [ 8079.505557][ T10] kthread+0x28a/0x350 [ 8079.505557][ T10] ret_from_fork+0x31/0x70 [ 8079.505557][ T10] ret_from_fork_asm+0x1a/0x30 [ 8079.505557][ T10] [ 8079.507512][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8079.507512][ T10] netdev_get_by_index+0x5e/0x80 [ 8079.507512][ T10] fib6_nh_init+0x3d8/0x1580 [ 8079.507512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8079.507512][ T10] ip6_route_add+0x1c/0x140 [ 8079.507512][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8079.507512][ T10] inet6_addr_add+0x4f8/0xa40 [ 8079.507512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8079.507512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8079.507512][ T10] netlink_rcv_skb+0x130/0x360 [ 8079.507512][ T10] netlink_unicast+0x449/0x710 [ 8079.507512][ T10] netlink_sendmsg+0x723/0xbe0 [ 8079.507512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8079.507512][ T10] ___sys_sendmsg+0xee/0x170 [ 8079.507512][ T10] __sys_sendmsg+0xcd/0x170 [ 8079.507512][ T10] do_syscall_64+0xc6/0x1e0 [ 8079.507512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8079.507512][ T10] [ 8079.509524][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8079.509524][ T10] netdev_get_by_index+0x5e/0x80 [ 8079.509524][ T10] fib6_nh_init+0x3d8/0x1580 [ 8079.509524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8079.509524][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8079.509524][ T10] ipv6_add_addr+0x411/0x2000 [ 8079.509524][ T10] inet6_addr_add+0x30e/0xa40 [ 8079.509524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8079.509524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8079.509524][ T10] netlink_rcv_skb+0x130/0x360 [ 8079.509524][ T10] netlink_unicast+0x449/0x710 [ 8079.509524][ T10] netlink_sendmsg+0x723/0xbe0 [ 8079.509524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8079.509524][ T10] ___sys_sendmsg+0xee/0x170 [ 8079.509524][ T10] __sys_sendmsg+0xcd/0x170 [ 8079.509524][ T10] do_syscall_64+0xc6/0x1e0 [ 8079.509524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8079.509524][ T10] [ 8079.511539][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8079.511539][ T10] netdev_get_by_index+0x5e/0x80 [ 8079.511539][ T10] fib6_nh_init+0x3d8/0x1580 [ 8079.511539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8079.511539][ T10] ip6_route_add+0x1c/0x140 [ 8079.511539][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8079.511539][ T10] addrconf_add_dev+0xe2/0x170 [ 8079.511539][ T10] inet6_addr_add+0x12f/0xa40 [ 8079.511539][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8079.511539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8079.511539][ T10] netlink_rcv_skb+0x130/0x360 [ 8079.511539][ T10] netlink_unicast+0x449/0x710 [ 8079.511539][ T10] netlink_sendmsg+0x723/0xbe0 [ 8079.511539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8079.511539][ T10] ___sys_sendmsg+0xee/0x170 [ 8079.511539][ T10] __sys_sendmsg+0xcd/0x170 [ 8079.511539][ T10] do_syscall_64+0xc6/0x1e0 [ 8079.511539][ T10] [ 8079.513512][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8079.513512][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8079.513512][ T10] ipv6_find_idev+0x102/0x170 [ 8079.513512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8079.513512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8079.513512][ T10] netlink_rcv_skb+0x130/0x360 [ 8079.513512][ T10] netlink_unicast+0x449/0x710 [ 8079.513512][ T10] netlink_sendmsg+0x723/0xbe0 [ 8079.513512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8079.513512][ T10] ___sys_sendmsg+0xee/0x170 [ 8079.513512][ T10] __sys_sendmsg+0xcd/0x170 [ 8079.513512][ T10] do_syscall_64+0xc6/0x1e0 [ 8079.513512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8079.513512][ T10] [ 8079.515073][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8079.515073][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8079.515073][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8079.515073][ T10] ipv6_find_idev+0x102/0x170 [ 8079.515073][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8079.515073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8079.515073][ T10] netlink_rcv_skb+0x130/0x360 [ 8079.515073][ T10] netlink_unicast+0x449/0x710 [ 8079.515073][ T10] netlink_sendmsg+0x723/0xbe0 [ 8079.515073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8079.515073][ T10] ___sys_sendmsg+0xee/0x170 [ 8079.515073][ T10] __sys_sendmsg+0xcd/0x170 [ 8079.515073][ T10] do_syscall_64+0xc6/0x1e0 [ 8079.515073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8079.515073][ T10] [ 8079.516787][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8079.517033][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8079.517033][ T10] netdev_get_by_index+0x5e/0x80 [ 8079.517033][ T10] fib6_nh_init+0x3d8/0x1580 [ 8079.517033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8079.517033][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8079.517033][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8079.517033][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8079.517033][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8079.517033][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8079.517033][ T10] addrconf_dad_begin+0x310/0x670 [ 8079.517033][ T10] addrconf_dad_work+0x10b/0xab0 [ 8079.517033][ T10] process_one_work+0x84d/0x18a0 [ 8079.517033][ T10] worker_thread+0x587/0xd30 [ 8079.517033][ T10] kthread+0x28a/0x350 [ 8079.517033][ T10] ret_from_fork+0x31/0x70 [ 8079.517033][ T10] ret_from_fork_asm+0x1a/0x30 [ 8079.517033][ T10] [ 8079.518932][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8079.518932][ T10] netdev_get_by_index+0x5e/0x80 [ 8079.518932][ T10] fib6_nh_init+0x3d8/0x1580 [ 8079.518932][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8079.518932][ T10] ip6_route_add+0x1c/0x140 [ 8079.518932][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8079.518932][ T10] inet6_addr_add+0x4f8/0xa40 [ 8079.518932][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8079.518932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8079.518932][ T10] netlink_rcv_skb+0x130/0x360 [ 8079.518932][ T10] netlink_unicast+0x449/0x710 [ 8079.518932][ T10] netlink_sendmsg+0x723/0xbe0 [ 8079.518932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8079.518932][ T10] ___sys_sendmsg+0xee/0x170 [ 8079.518932][ T10] __sys_sendmsg+0xcd/0x170 [ 8079.518932][ T10] do_syscall_64+0xc6/0x1e0 [ 8079.518932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8079.518932][ T10] [ 8079.520941][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8079.520941][ T10] netdev_get_by_index+0x5e/0x80 [ 8079.520941][ T10] fib6_nh_init+0x3d8/0x1580 [ 8079.520941][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8079.520941][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8079.520941][ T10] ipv6_add_addr+0x411/0x2000 [ 8079.520941][ T10] inet6_addr_add+0x30e/0xa40 [ 8079.520941][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8079.520941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8079.520941][ T10] netlink_rcv_skb+0x130/0x360 [ 8079.520941][ T10] netlink_unicast+0x449/0x710 [ 8079.520941][ T10] netlink_sendmsg+0x723/0xbe0 [ 8079.520941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8079.520941][ T10] ___sys_sendmsg+0xee/0x170 [ 8079.520941][ T10] __sys_sendmsg+0xcd/0x170 [ 8079.520941][ T10] do_syscall_64+0xc6/0x1e0 [ 8079.520941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8079.520941][ T10] [ 8079.522952][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8079.522952][ T10] netdev_get_by_index+0x5e/0x80 [ 8079.522952][ T10] fib6_nh_init+0x3d8/0x1580 [ 8079.522952][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8079.522952][ T10] ip6_route_add+0x1c/0x140 [ 8079.522952][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8079.522952][ T10] addrconf_add_dev+0xe2/0x170 [ 8079.522952][ T10] inet6_addr_add+0x12f/0xa40 [ 8079.522952][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8079.522952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8079.522952][ T10] netlink_rcv_skb+0x130/0x360 [ 8079.522952][ T10] netlink_unicast+0x449/0x710 [ 8079.522952][ T10] netlink_sendmsg+0x723/0xbe0 [ 8079.522952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8079.522952][ T10] ___sys_sendmsg+0xee/0x170 [ 8079.522952][ T10] __sys_sendmsg+0xcd/0x170 [ 8079.522952][ T10] do_syscall_64+0xc6/0x1e0 [ 8079.522952][ T10] [ 8079.524920][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8079.524920][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8079.524920][ T10] ipv6_find_idev+0x102/0x170 [ 8079.524920][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8079.524920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8079.524920][ T10] netlink_rcv_skb+0x130/0x360 [ 8079.524920][ T10] netlink_unicast+0x449/0x710 [ 8079.524920][ T10] netlink_sendmsg+0x723/0xbe0 [ 8079.524920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8079.524920][ T10] ___sys_sendmsg+0xee/0x170 [ 8079.524920][ T10] __sys_sendmsg+0xcd/0x170 [ 8079.524920][ T10] do_syscall_64+0xc6/0x1e0 [ 8079.524920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8079.524920][ T10] [ 8079.526482][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8079.526482][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8079.526482][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8079.526482][ T10] ipv6_find_idev+0x102/0x170 [ 8079.526482][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8079.526482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8079.526482][ T10] netlink_rcv_skb+0x130/0x360 [ 8079.526482][ T10] netlink_unicast+0x449/0x710 [ 8079.526482][ T10] netlink_sendmsg+0x723/0xbe0 [ 8079.526482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8079.526482][ T10] ___sys_sendmsg+0xee/0x170 [ 8079.526482][ T10] __sys_sendmsg+0xcd/0x170 [ 8079.526482][ T10] do_syscall_64+0xc6/0x1e0 [ 8079.526482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8079.526482][ T10] [ 8079.528174][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8079.528417][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8079.528417][ T10] netdev_get_by_index+0x5e/0x80 [ 8079.528417][ T10] fib6_nh_init+0x3d8/0x1580 [ 8079.528417][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8079.528417][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8079.528417][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8079.528417][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8079.528417][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8079.528417][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8079.528417][ T10] addrconf_dad_begin+0x310/0x670 [ 8079.528417][ T10] addrconf_dad_work+0x10b/0xab0 [ 8079.528417][ T10] process_one_work+0x84d/0x18a0 [ 8079.528417][ T10] worker_thread+0x587/0xd30 [ 8079.528417][ T10] kthread+0x28a/0x350 [ 8079.528417][ T10] ret_from_fork+0x31/0x70 [ 8079.528417][ T10] ret_from_fork_asm+0x1a/0x30 [ 8079.528417][ T10] [ 8079.530334][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8079.530334][ T10] netdev_get_by_index+0x5e/0x80 [ 8079.530334][ T10] fib6_nh_init+0x3d8/0x1580 [ 8079.530334][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8079.530334][ T10] ip6_route_add+0x1c/0x140 [ 8079.530334][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8079.530334][ T10] inet6_addr_add+0x4f8/0xa40 [ 8079.530334][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8079.530334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8079.530334][ T10] netlink_rcv_skb+0x130/0x360 [ 8079.530334][ T10] netlink_unicast+0x449/0x710 [ 8079.530334][ T10] netlink_sendmsg+0x723/0xbe0 [ 8079.530334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8079.530334][ T10] ___sys_sendmsg+0xee/0x170 [ 8079.530334][ T10] __sys_sendmsg+0xcd/0x170 [ 8079.530334][ T10] do_syscall_64+0xc6/0x1e0 [ 8079.530334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8079.530334][ T10] [ 8079.532523][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8079.532523][ T10] netdev_get_by_index+0x5e/0x80 [ 8079.532523][ T10] fib6_nh_init+0x3d8/0x1580 [ 8079.532523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8079.532523][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8079.532523][ T10] ipv6_add_addr+0x411/0x2000 [ 8079.532523][ T10] inet6_addr_add+0x30e/0xa40 [ 8079.532523][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8079.532523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8079.532523][ T10] netlink_rcv_skb+0x130/0x360 [ 8079.532523][ T10] netlink_unicast+0x449/0x710 [ 8079.532523][ T10] netlink_sendmsg+0x723/0xbe0 [ 8079.532523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8079.532523][ T10] ___sys_sendmsg+0xee/0x170 [ 8079.532523][ T10] __sys_sendmsg+0xcd/0x170 [ 8079.532523][ T10] do_syscall_64+0xc6/0x1e0 [ 8079.532523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8079.532523][ T10] [ 8079.534827][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8079.534827][ T10] netdev_get_by_index+0x5e/0x80 [ 8079.534827][ T10] fib6_nh_init+0x3d8/0x1580 [ 8079.534827][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8079.534827][ T10] ip6_route_add+0x1c/0x140 [ 8079.534827][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8079.534827][ T10] addrconf_add_dev+0xe2/0x170 [ 8079.534827][ T10] inet6_addr_add+0x12f/0xa40 [ 8079.534827][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8079.534827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8079.534827][ T10] netlink_rcv_skb+0x130/0x360 [ 8079.534827][ T10] netlink_unicast+0x449/0x710 [ 8079.534827][ T10] netlink_sendmsg+0x723/0xbe0 [ 8079.534827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8079.534827][ T10] ___sys_sendmsg+0xee/0x170 [ 8079.534827][ T10] __sys_sendmsg+0xcd/0x170 [ 8079.534827][ T10] do_syscall_64+0xc6/0x1e0 [ 8079.534827][ T10] [ 8079.536999][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8079.536999][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8079.536999][ T10] ipv6_find_idev+0x102/0x170 [ 8079.536999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8079.536999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8079.536999][ T10] netlink_rcv_skb+0x130/0x360 [ 8079.536999][ T10] netlink_unicast+0x449/0x710 [ 8079.536999][ T10] netlink_sendmsg+0x723/0xbe0 [ 8079.536999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8079.536999][ T10] ___sys_sendmsg+0xee/0x170 [ 8079.536999][ T10] __sys_sendmsg+0xcd/0x170 [ 8079.536999][ T10] do_syscall_64+0xc6/0x1e0 [ 8079.536999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8079.536999][ T10] [ 8079.538764][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8079.538764][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8079.538764][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8079.538764][ T10] ipv6_find_idev+0x102/0x170 [ 8079.538764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8079.538764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8079.538764][ T10] netlink_rcv_skb+0x130/0x360 [ 8079.538764][ T10] netlink_unicast+0x449/0x710 [ 8079.538764][ T10] netlink_sendmsg+0x723/0xbe0 [ 8079.538764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8079.538764][ T10] ___sys_sendmsg+0xee/0x170 [ 8079.538764][ T10] __sys_sendmsg+0xcd/0x170 [ 8079.538764][ T10] do_syscall_64+0xc6/0x1e0 [ 8079.538764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8079.538764][ T10] [ 8079.540695][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8079.540935][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8079.540935][ T10] netdev_get_by_index+0x5e/0x80 [ 8079.540935][ T10] fib6_nh_init+0x3d8/0x1580 [ 8079.540935][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8079.540935][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8079.540935][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8079.540935][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8079.540935][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8079.540935][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8079.540935][ T10] addrconf_dad_begin+0x310/0x670 [ 8079.540935][ T10] addrconf_dad_work+0x10b/0xab0 [ 8079.540935][ T10] process_one_work+0x84d/0x18a0 [ 8079.540935][ T10] worker_thread+0x587/0xd30 [ 8079.540935][ T10] kthread+0x28a/0x350 [ 8079.540935][ T10] ret_from_fork+0x31/0x70 [ 8079.540935][ T10] ret_from_fork_asm+0x1a/0x30 [ 8079.540935][ T10] [ 8079.543150][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8079.543150][ T10] netdev_get_by_index+0x5e/0x80 [ 8079.543150][ T10] fib6_nh_init+0x3d8/0x1580 [ 8079.543150][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8079.543150][ T10] ip6_route_add+0x1c/0x140 [ 8079.543150][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8079.543150][ T10] inet6_addr_add+0x4f8/0xa40 [ 8079.543150][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8079.543150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8079.543150][ T10] netlink_rcv_skb+0x130/0x360 [ 8079.543150][ T10] netlink_unicast+0x449/0x710 [ 8079.543150][ T10] netlink_sendmsg+0x723/0xbe0 [ 8079.543150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8079.543150][ T10] ___sys_sendmsg+0xee/0x170 [ 8079.543150][ T10] __sys_sendmsg+0xcd/0x170 [ 8079.543150][ T10] do_syscall_64+0xc6/0x1e0 [ 8079.543150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8079.543150][ T10] [ 8079.545321][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8079.545321][ T10] netdev_get_by_index+0x5e/0x80 [ 8079.545321][ T10] fib6_nh_init+0x3d8/0x1580 [ 8079.545321][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8079.545321][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8079.545321][ T10] ipv6_add_addr+0x411/0x2000 [ 8079.545321][ T10] inet6_addr_add+0x30e/0xa40 [ 8079.545321][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8079.545321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8079.545321][ T10] netlink_rcv_skb+0x130/0x360 [ 8079.545321][ T10] netlink_unicast+0x449/0x710 [ 8079.545321][ T10] netlink_sendmsg+0x723/0xbe0 [ 8079.545321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8079.545321][ T10] ___sys_sendmsg+0xee/0x170 [ 8079.545321][ T10] __sys_sendmsg+0xcd/0x170 [ 8079.545321][ T10] do_syscall_64+0xc6/0x1e0 [ 8079.545321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8079.545321][ T10] [ 8079.548076][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8079.548076][ T10] netdev_get_by_index+0x5e/0x80 [ 8079.548076][ T10] fib6_nh_init+0x3d8/0x1580 [ 8079.548076][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8079.548076][ T10] ip6_route_add+0x1c/0x140 [ 8079.548076][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8079.548076][ T10] addrconf_add_dev+0xe2/0x170 [ 8079.548076][ T10] inet6_addr_add+0x12f/0xa40 [ 8079.548076][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8079.548076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8079.548076][ T10] netlink_rcv_skb+0x130/0x360 [ 8079.548076][ T10] netlink_unicast+0x449/0x710 [ 8079.548076][ T10] netlink_sendmsg+0x723/0xbe0 [ 8079.548076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8079.548076][ T10] ___sys_sendmsg+0xee/0x170 [ 8079.548076][ T10] __sys_sendmsg+0xcd/0x170 [ 8079.548076][ T10] do_syscall_64+0xc6/0x1e0 [ 8079.548076][ T10] [ 8079.550288][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8079.550288][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8079.550288][ T10] ipv6_find_idev+0x102/0x170 [ 8079.550288][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8079.550288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8079.550288][ T10] netlink_rcv_skb+0x130/0x360 [ 8079.550288][ T10] netlink_unicast+0x449/0x710 [ 8079.550288][ T10] netlink_sendmsg+0x723/0xbe0 [ 8079.550288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8079.550288][ T10] ___sys_sendmsg+0xee/0x170 [ 8079.550288][ T10] __sys_sendmsg+0xcd/0x170 [ 8079.550288][ T10] do_syscall_64+0xc6/0x1e0 [ 8079.550288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8079.550288][ T10] [ 8079.552008][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8079.552008][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8079.552008][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8079.552008][ T10] ipv6_find_idev+0x102/0x170 [ 8079.552008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8079.552008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8079.552008][ T10] netlink_rcv_skb+0x130/0x360 [ 8079.552008][ T10] netlink_unicast+0x449/0x710 [ 8079.552008][ T10] netlink_sendmsg+0x723/0xbe0 [ 8079.552008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8079.552008][ T10] ___sys_sendmsg+0xee/0x170 [ 8079.552008][ T10] __sys_sendmsg+0xcd/0x170 [ 8079.552008][ T10] do_syscall_64+0xc6/0x1e0 [ 8079.552008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8079.552008][ T10] [ 8080.113106][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8080.113543][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8080.113543][ T1167] dst_init+0x84/0x4a0 [ 8080.113543][ T1167] dst_alloc+0x97/0x150 [ 8080.113543][ T1167] ip6_dst_alloc+0x23/0x90 [ 8080.113543][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8080.113543][ T1167] ip6_pol_route+0x56f/0x840 [ 8080.113543][ T1167] fib6_rule_lookup+0x334/0x630 [ 8080.113543][ T1167] ip6_route_output_flags+0x259/0x480 [ 8080.113543][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8080.113543][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8080.113543][ T1167] netlink_rcv_skb+0x130/0x360 [ 8080.113543][ T1167] netlink_unicast+0x449/0x710 [ 8080.113543][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8080.113543][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8080.113543][ T1167] ___sys_sendmsg+0xee/0x170 [ 8080.113543][ T1167] __sys_sendmsg+0xcd/0x170 [ 8080.113543][ T1167] do_syscall_64+0xc6/0x1e0 [ 8080.113543][ T1167] [ 8080.115765][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8080.115765][ T1167] netdev_get_by_index+0x5e/0x80 [ 8080.115765][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8080.115765][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8080.115765][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8080.115765][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8080.115765][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8080.115765][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8080.115765][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8080.115765][ T1167] addrconf_dad_begin+0x310/0x670 [ 8080.115765][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8080.115765][ T1167] process_one_work+0x84d/0x18a0 [ 8080.115765][ T1167] worker_thread+0x587/0xd30 [ 8080.115765][ T1167] kthread+0x28a/0x350 [ 8080.115765][ T1167] ret_from_fork+0x31/0x70 [ 8080.115765][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8080.115765][ T1167] [ 8080.117928][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8080.117928][ T1167] netdev_get_by_index+0x5e/0x80 [ 8080.117928][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8080.117928][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8080.117928][ T1167] ip6_route_add+0x1c/0x140 [ 8080.117928][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8080.117928][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8080.117928][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8080.117928][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8080.117928][ T1167] netlink_rcv_skb+0x130/0x360 [ 8080.117928][ T1167] netlink_unicast+0x449/0x710 [ 8080.117928][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8080.117928][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8080.117928][ T1167] ___sys_sendmsg+0xee/0x170 [ 8080.117928][ T1167] __sys_sendmsg+0xcd/0x170 [ 8080.117928][ T1167] do_syscall_64+0xc6/0x1e0 [ 8080.117928][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8080.117928][ T1167] [ 8080.120197][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8080.120197][ T1167] netdev_get_by_index+0x5e/0x80 [ 8080.120197][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8080.120197][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8080.120197][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8080.120197][ T1167] ipv6_add_addr+0x411/0x2000 [ 8080.120197][ T1167] inet6_addr_add+0x30e/0xa40 [ 8080.120197][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8080.120197][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8080.120197][ T1167] netlink_rcv_skb+0x130/0x360 [ 8080.120197][ T1167] netlink_unicast+0x449/0x710 [ 8080.120197][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8080.120197][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8080.120197][ T1167] ___sys_sendmsg+0xee/0x170 [ 8080.120197][ T1167] __sys_sendmsg+0xcd/0x170 [ 8080.120197][ T1167] do_syscall_64+0xc6/0x1e0 [ 8080.120197][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8080.120197][ T1167] [ 8080.122463][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8080.122463][ T1167] netdev_get_by_index+0x5e/0x80 [ 8080.122463][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8080.122463][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8080.122463][ T1167] ip6_route_add+0x1c/0x140 [ 8080.122463][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8080.122463][ T1167] addrconf_add_dev+0xe2/0x170 [ 8080.122463][ T1167] inet6_addr_add+0x12f/0xa40 [ 8080.122463][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8080.122463][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8080.122463][ T1167] netlink_rcv_skb+0x130/0x360 [ 8080.122463][ T1167] netlink_unicast+0x449/0x710 [ 8080.122463][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8080.122463][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8080.122463][ T1167] ___sys_sendmsg+0xee/0x170 [ 8080.122463][ T1167] __sys_sendmsg+0xcd/0x170 [ 8080.122463][ T1167] do_syscall_64+0xc6/0x1e0 [ 8080.122463][ T1167] [ 8080.124685][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8080.124685][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8080.124685][ T1167] ipv6_find_idev+0x102/0x170 [ 8080.124685][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8080.124685][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8080.124685][ T1167] netlink_rcv_skb+0x130/0x360 [ 8080.124685][ T1167] netlink_unicast+0x449/0x710 [ 8080.124685][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8080.124685][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8080.124685][ T1167] ___sys_sendmsg+0xee/0x170 [ 8080.124685][ T1167] __sys_sendmsg+0xcd/0x170 [ 8080.124685][ T1167] do_syscall_64+0xc6/0x1e0 [ 8080.124685][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8080.124685][ T1167] [ 8080.126417][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8080.126417][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8080.126417][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8080.126417][ T1167] ipv6_find_idev+0x102/0x170 [ 8080.126417][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8080.126417][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8080.126417][ T1167] netlink_rcv_skb+0x130/0x360 [ 8080.126417][ T1167] netlink_unicast+0x449/0x710 [ 8080.126417][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8080.126417][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8080.126417][ T1167] ___sys_sendmsg+0xee/0x170 [ 8080.126417][ T1167] __sys_sendmsg+0xcd/0x170 [ 8080.126417][ T1167] do_syscall_64+0xc6/0x1e0 [ 8080.126417][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8080.126417][ T1167] [ 8089.801106][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8089.801474][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8089.801474][ T10] netdev_get_by_index+0x5e/0x80 [ 8089.801474][ T10] fib6_nh_init+0x3d8/0x1580 [ 8089.801474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8089.801474][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8089.801474][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8089.801474][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8089.801474][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8089.801474][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8089.801474][ T10] addrconf_dad_begin+0x310/0x670 [ 8089.801474][ T10] addrconf_dad_work+0x10b/0xab0 [ 8089.801474][ T10] process_one_work+0x84d/0x18a0 [ 8089.801474][ T10] worker_thread+0x587/0xd30 [ 8089.801474][ T10] kthread+0x28a/0x350 [ 8089.801474][ T10] ret_from_fork+0x31/0x70 [ 8089.801474][ T10] ret_from_fork_asm+0x1a/0x30 [ 8089.801474][ T10] [ 8089.803411][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8089.803411][ T10] netdev_get_by_index+0x5e/0x80 [ 8089.803411][ T10] fib6_nh_init+0x3d8/0x1580 [ 8089.803411][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8089.803411][ T10] ip6_route_add+0x1c/0x140 [ 8089.803411][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8089.803411][ T10] inet6_addr_add+0x4f8/0xa40 [ 8089.803411][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8089.803411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8089.803411][ T10] netlink_rcv_skb+0x130/0x360 [ 8089.803411][ T10] netlink_unicast+0x449/0x710 [ 8089.803411][ T10] netlink_sendmsg+0x723/0xbe0 [ 8089.803411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8089.803411][ T10] ___sys_sendmsg+0xee/0x170 [ 8089.803411][ T10] __sys_sendmsg+0xcd/0x170 [ 8089.803411][ T10] do_syscall_64+0xc6/0x1e0 [ 8089.803411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8089.803411][ T10] [ 8089.805414][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8089.805414][ T10] netdev_get_by_index+0x5e/0x80 [ 8089.805414][ T10] fib6_nh_init+0x3d8/0x1580 [ 8089.805414][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8089.805414][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8089.805414][ T10] ipv6_add_addr+0x411/0x2000 [ 8089.805414][ T10] inet6_addr_add+0x30e/0xa40 [ 8089.805414][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8089.805414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8089.805414][ T10] netlink_rcv_skb+0x130/0x360 [ 8089.805414][ T10] netlink_unicast+0x449/0x710 [ 8089.805414][ T10] netlink_sendmsg+0x723/0xbe0 [ 8089.805414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8089.805414][ T10] ___sys_sendmsg+0xee/0x170 [ 8089.805414][ T10] __sys_sendmsg+0xcd/0x170 [ 8089.805414][ T10] do_syscall_64+0xc6/0x1e0 [ 8089.805414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8089.805414][ T10] [ 8089.807415][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8089.807415][ T10] netdev_get_by_index+0x5e/0x80 [ 8089.807415][ T10] fib6_nh_init+0x3d8/0x1580 [ 8089.807415][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8089.807415][ T10] ip6_route_add+0x1c/0x140 [ 8089.807415][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8089.807415][ T10] addrconf_add_dev+0xe2/0x170 [ 8089.807415][ T10] inet6_addr_add+0x12f/0xa40 [ 8089.807415][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8089.807415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8089.807415][ T10] netlink_rcv_skb+0x130/0x360 [ 8089.807415][ T10] netlink_unicast+0x449/0x710 [ 8089.807415][ T10] netlink_sendmsg+0x723/0xbe0 [ 8089.807415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8089.807415][ T10] ___sys_sendmsg+0xee/0x170 [ 8089.807415][ T10] __sys_sendmsg+0xcd/0x170 [ 8089.807415][ T10] do_syscall_64+0xc6/0x1e0 [ 8089.807415][ T10] [ 8089.809384][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8089.809384][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8089.809384][ T10] ipv6_find_idev+0x102/0x170 [ 8089.809384][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8089.809384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8089.809384][ T10] netlink_rcv_skb+0x130/0x360 [ 8089.809384][ T10] netlink_unicast+0x449/0x710 [ 8089.809384][ T10] netlink_sendmsg+0x723/0xbe0 [ 8089.809384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8089.809384][ T10] ___sys_sendmsg+0xee/0x170 [ 8089.809384][ T10] __sys_sendmsg+0xcd/0x170 [ 8089.809384][ T10] do_syscall_64+0xc6/0x1e0 [ 8089.809384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8089.809384][ T10] [ 8089.810937][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8089.810937][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8089.810937][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8089.810937][ T10] ipv6_find_idev+0x102/0x170 [ 8089.810937][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8089.810937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8089.810937][ T10] netlink_rcv_skb+0x130/0x360 [ 8089.810937][ T10] netlink_unicast+0x449/0x710 [ 8089.810937][ T10] netlink_sendmsg+0x723/0xbe0 [ 8089.810937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8089.810937][ T10] ___sys_sendmsg+0xee/0x170 [ 8089.810937][ T10] __sys_sendmsg+0xcd/0x170 [ 8089.810937][ T10] do_syscall_64+0xc6/0x1e0 [ 8089.810937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8089.810937][ T10] [ 8089.812656][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8089.812907][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8089.812907][ T10] netdev_get_by_index+0x5e/0x80 [ 8089.812907][ T10] fib6_nh_init+0x3d8/0x1580 [ 8089.812907][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8089.812907][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8089.812907][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8089.812907][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8089.812907][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8089.812907][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8089.812907][ T10] addrconf_dad_begin+0x310/0x670 [ 8089.812907][ T10] addrconf_dad_work+0x10b/0xab0 [ 8089.812907][ T10] process_one_work+0x84d/0x18a0 [ 8089.812907][ T10] worker_thread+0x587/0xd30 [ 8089.812907][ T10] kthread+0x28a/0x350 [ 8089.812907][ T10] ret_from_fork+0x31/0x70 [ 8089.812907][ T10] ret_from_fork_asm+0x1a/0x30 [ 8089.812907][ T10] [ 8089.814820][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8089.814820][ T10] netdev_get_by_index+0x5e/0x80 [ 8089.814820][ T10] fib6_nh_init+0x3d8/0x1580 [ 8089.814820][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8089.814820][ T10] ip6_route_add+0x1c/0x140 [ 8089.814820][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8089.814820][ T10] inet6_addr_add+0x4f8/0xa40 [ 8089.814820][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8089.814820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8089.814820][ T10] netlink_rcv_skb+0x130/0x360 [ 8089.814820][ T10] netlink_unicast+0x449/0x710 [ 8089.814820][ T10] netlink_sendmsg+0x723/0xbe0 [ 8089.814820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8089.814820][ T10] ___sys_sendmsg+0xee/0x170 [ 8089.814820][ T10] __sys_sendmsg+0xcd/0x170 [ 8089.814820][ T10] do_syscall_64+0xc6/0x1e0 [ 8089.814820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8089.814820][ T10] [ 8089.816823][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8089.816823][ T10] netdev_get_by_index+0x5e/0x80 [ 8089.816823][ T10] fib6_nh_init+0x3d8/0x1580 [ 8089.816823][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8089.816823][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8089.816823][ T10] ipv6_add_addr+0x411/0x2000 [ 8089.816823][ T10] inet6_addr_add+0x30e/0xa40 [ 8089.816823][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8089.816823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8089.816823][ T10] netlink_rcv_skb+0x130/0x360 [ 8089.816823][ T10] netlink_unicast+0x449/0x710 [ 8089.816823][ T10] netlink_sendmsg+0x723/0xbe0 [ 8089.816823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8089.816823][ T10] ___sys_sendmsg+0xee/0x170 [ 8089.816823][ T10] __sys_sendmsg+0xcd/0x170 [ 8089.816823][ T10] do_syscall_64+0xc6/0x1e0 [ 8089.816823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8089.816823][ T10] [ 8089.818830][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8089.818830][ T10] netdev_get_by_index+0x5e/0x80 [ 8089.818830][ T10] fib6_nh_init+0x3d8/0x1580 [ 8089.818830][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8089.818830][ T10] ip6_route_add+0x1c/0x140 [ 8089.818830][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8089.818830][ T10] addrconf_add_dev+0xe2/0x170 [ 8089.818830][ T10] inet6_addr_add+0x12f/0xa40 [ 8089.818830][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8089.818830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8089.818830][ T10] netlink_rcv_skb+0x130/0x360 [ 8089.818830][ T10] netlink_unicast+0x449/0x710 [ 8089.818830][ T10] netlink_sendmsg+0x723/0xbe0 [ 8089.818830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8089.818830][ T10] ___sys_sendmsg+0xee/0x170 [ 8089.818830][ T10] __sys_sendmsg+0xcd/0x170 [ 8089.818830][ T10] do_syscall_64+0xc6/0x1e0 [ 8089.818830][ T10] [ 8089.820807][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8089.820807][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8089.820807][ T10] ipv6_find_idev+0x102/0x170 [ 8089.820807][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8089.820807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8089.820807][ T10] netlink_rcv_skb+0x130/0x360 [ 8089.820807][ T10] netlink_unicast+0x449/0x710 [ 8089.820807][ T10] netlink_sendmsg+0x723/0xbe0 [ 8089.820807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8089.820807][ T10] ___sys_sendmsg+0xee/0x170 [ 8089.820807][ T10] __sys_sendmsg+0xcd/0x170 [ 8089.820807][ T10] do_syscall_64+0xc6/0x1e0 [ 8089.820807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8089.820807][ T10] [ 8089.822349][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8089.822349][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8089.822349][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8089.822349][ T10] ipv6_find_idev+0x102/0x170 [ 8089.822349][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8089.822349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8089.822349][ T10] netlink_rcv_skb+0x130/0x360 [ 8089.822349][ T10] netlink_unicast+0x449/0x710 [ 8089.822349][ T10] netlink_sendmsg+0x723/0xbe0 [ 8089.822349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8089.822349][ T10] ___sys_sendmsg+0xee/0x170 [ 8089.822349][ T10] __sys_sendmsg+0xcd/0x170 [ 8089.822349][ T10] do_syscall_64+0xc6/0x1e0 [ 8089.822349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8089.822349][ T10] [ 8089.824033][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8089.824280][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8089.824280][ T10] netdev_get_by_index+0x5e/0x80 [ 8089.824280][ T10] fib6_nh_init+0x3d8/0x1580 [ 8089.824280][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8089.824280][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8089.824280][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8089.824280][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8089.824280][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8089.824280][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8089.824280][ T10] addrconf_dad_begin+0x310/0x670 [ 8089.824280][ T10] addrconf_dad_work+0x10b/0xab0 [ 8089.824280][ T10] process_one_work+0x84d/0x18a0 [ 8089.824280][ T10] worker_thread+0x587/0xd30 [ 8089.824280][ T10] kthread+0x28a/0x350 [ 8089.824280][ T10] ret_from_fork+0x31/0x70 [ 8089.824280][ T10] ret_from_fork_asm+0x1a/0x30 [ 8089.824280][ T10] [ 8089.826194][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8089.826194][ T10] netdev_get_by_index+0x5e/0x80 [ 8089.826194][ T10] fib6_nh_init+0x3d8/0x1580 [ 8089.826194][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8089.826194][ T10] ip6_route_add+0x1c/0x140 [ 8089.826194][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8089.826194][ T10] inet6_addr_add+0x4f8/0xa40 [ 8089.826194][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8089.826194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8089.826194][ T10] netlink_rcv_skb+0x130/0x360 [ 8089.826194][ T10] netlink_unicast+0x449/0x710 [ 8089.826194][ T10] netlink_sendmsg+0x723/0xbe0 [ 8089.826194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8089.826194][ T10] ___sys_sendmsg+0xee/0x170 [ 8089.826194][ T10] __sys_sendmsg+0xcd/0x170 [ 8089.826194][ T10] do_syscall_64+0xc6/0x1e0 [ 8089.826194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8089.826194][ T10] [ 8089.828385][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8089.828385][ T10] netdev_get_by_index+0x5e/0x80 [ 8089.828385][ T10] fib6_nh_init+0x3d8/0x1580 [ 8089.828385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8089.828385][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8089.828385][ T10] ipv6_add_addr+0x411/0x2000 [ 8089.828385][ T10] inet6_addr_add+0x30e/0xa40 [ 8089.828385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8089.828385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8089.828385][ T10] netlink_rcv_skb+0x130/0x360 [ 8089.828385][ T10] netlink_unicast+0x449/0x710 [ 8089.828385][ T10] netlink_sendmsg+0x723/0xbe0 [ 8089.828385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8089.828385][ T10] ___sys_sendmsg+0xee/0x170 [ 8089.828385][ T10] __sys_sendmsg+0xcd/0x170 [ 8089.828385][ T10] do_syscall_64+0xc6/0x1e0 [ 8089.828385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8089.828385][ T10] [ 8089.830691][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8089.830691][ T10] netdev_get_by_index+0x5e/0x80 [ 8089.830691][ T10] fib6_nh_init+0x3d8/0x1580 [ 8089.830691][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8089.830691][ T10] ip6_route_add+0x1c/0x140 [ 8089.830691][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8089.830691][ T10] addrconf_add_dev+0xe2/0x170 [ 8089.830691][ T10] inet6_addr_add+0x12f/0xa40 [ 8089.830691][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8089.830691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8089.830691][ T10] netlink_rcv_skb+0x130/0x360 [ 8089.830691][ T10] netlink_unicast+0x449/0x710 [ 8089.830691][ T10] netlink_sendmsg+0x723/0xbe0 [ 8089.830691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8089.830691][ T10] ___sys_sendmsg+0xee/0x170 [ 8089.830691][ T10] __sys_sendmsg+0xcd/0x170 [ 8089.830691][ T10] do_syscall_64+0xc6/0x1e0 [ 8089.830691][ T10] [ 8089.832839][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8089.832839][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8089.832839][ T10] ipv6_find_idev+0x102/0x170 [ 8089.832839][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8089.832839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8089.832839][ T10] netlink_rcv_skb+0x130/0x360 [ 8089.832839][ T10] netlink_unicast+0x449/0x710 [ 8089.832839][ T10] netlink_sendmsg+0x723/0xbe0 [ 8089.832839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8089.832839][ T10] ___sys_sendmsg+0xee/0x170 [ 8089.832839][ T10] __sys_sendmsg+0xcd/0x170 [ 8089.832839][ T10] do_syscall_64+0xc6/0x1e0 [ 8089.832839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8089.832839][ T10] [ 8089.834559][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8089.834559][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8089.834559][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8089.834559][ T10] ipv6_find_idev+0x102/0x170 [ 8089.834559][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8089.834559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8089.834559][ T10] netlink_rcv_skb+0x130/0x360 [ 8089.834559][ T10] netlink_unicast+0x449/0x710 [ 8089.834559][ T10] netlink_sendmsg+0x723/0xbe0 [ 8089.834559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8089.834559][ T10] ___sys_sendmsg+0xee/0x170 [ 8089.834559][ T10] __sys_sendmsg+0xcd/0x170 [ 8089.834559][ T10] do_syscall_64+0xc6/0x1e0 [ 8089.834559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8089.834559][ T10] [ 8089.836488][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8089.836727][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8089.836727][ T10] netdev_get_by_index+0x5e/0x80 [ 8089.836727][ T10] fib6_nh_init+0x3d8/0x1580 [ 8089.836727][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8089.836727][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8089.836727][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8089.836727][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8089.836727][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8089.836727][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8089.836727][ T10] addrconf_dad_begin+0x310/0x670 [ 8089.836727][ T10] addrconf_dad_work+0x10b/0xab0 [ 8089.836727][ T10] process_one_work+0x84d/0x18a0 [ 8089.836727][ T10] worker_thread+0x587/0xd30 [ 8089.836727][ T10] kthread+0x28a/0x350 [ 8089.836727][ T10] ret_from_fork+0x31/0x70 [ 8089.836727][ T10] ret_from_fork_asm+0x1a/0x30 [ 8089.836727][ T10] [ 8089.838936][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8089.838936][ T10] netdev_get_by_index+0x5e/0x80 [ 8089.838936][ T10] fib6_nh_init+0x3d8/0x1580 [ 8089.838936][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8089.838936][ T10] ip6_route_add+0x1c/0x140 [ 8089.838936][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8089.838936][ T10] inet6_addr_add+0x4f8/0xa40 [ 8089.838936][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8089.838936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8089.838936][ T10] netlink_rcv_skb+0x130/0x360 [ 8089.838936][ T10] netlink_unicast+0x449/0x710 [ 8089.838936][ T10] netlink_sendmsg+0x723/0xbe0 [ 8089.838936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8089.838936][ T10] ___sys_sendmsg+0xee/0x170 [ 8089.838936][ T10] __sys_sendmsg+0xcd/0x170 [ 8089.838936][ T10] do_syscall_64+0xc6/0x1e0 [ 8089.838936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8089.838936][ T10] [ 8089.841123][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8089.841123][ T10] netdev_get_by_index+0x5e/0x80 [ 8089.841123][ T10] fib6_nh_init+0x3d8/0x1580 [ 8089.841123][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8089.841123][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8089.841123][ T10] ipv6_add_addr+0x411/0x2000 [ 8089.841123][ T10] inet6_addr_add+0x30e/0xa40 [ 8089.841123][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8089.841123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8089.841123][ T10] netlink_rcv_skb+0x130/0x360 [ 8089.841123][ T10] netlink_unicast+0x449/0x710 [ 8089.841123][ T10] netlink_sendmsg+0x723/0xbe0 [ 8089.841123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8089.841123][ T10] ___sys_sendmsg+0xee/0x170 [ 8089.841123][ T10] __sys_sendmsg+0xcd/0x170 [ 8089.841123][ T10] do_syscall_64+0xc6/0x1e0 [ 8089.841123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8089.841123][ T10] [ 8089.843364][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8089.843364][ T10] netdev_get_by_index+0x5e/0x80 [ 8089.843364][ T10] fib6_nh_init+0x3d8/0x1580 [ 8089.843364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8089.843364][ T10] ip6_route_add+0x1c/0x140 [ 8089.843364][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8089.843364][ T10] addrconf_add_dev+0xe2/0x170 [ 8089.843364][ T10] inet6_addr_add+0x12f/0xa40 [ 8089.843364][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8089.843364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8089.843364][ T10] netlink_rcv_skb+0x130/0x360 [ 8089.843364][ T10] netlink_unicast+0x449/0x710 [ 8089.843364][ T10] netlink_sendmsg+0x723/0xbe0 [ 8089.843364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8089.843364][ T10] ___sys_sendmsg+0xee/0x170 [ 8089.843364][ T10] __sys_sendmsg+0xcd/0x170 [ 8089.843364][ T10] do_syscall_64+0xc6/0x1e0 [ 8089.843364][ T10] [ 8089.845574][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8089.845574][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8089.845574][ T10] ipv6_find_idev+0x102/0x170 [ 8089.845574][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8089.845574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8089.845574][ T10] netlink_rcv_skb+0x130/0x360 [ 8089.845574][ T10] netlink_unicast+0x449/0x710 [ 8089.845574][ T10] netlink_sendmsg+0x723/0xbe0 [ 8089.845574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8089.845574][ T10] ___sys_sendmsg+0xee/0x170 [ 8089.845574][ T10] __sys_sendmsg+0xcd/0x170 [ 8089.845574][ T10] do_syscall_64+0xc6/0x1e0 [ 8089.845574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8089.845574][ T10] [ 8089.847295][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8089.847295][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8089.847295][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8089.847295][ T10] ipv6_find_idev+0x102/0x170 [ 8089.847295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8089.847295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8089.847295][ T10] netlink_rcv_skb+0x130/0x360 [ 8089.847295][ T10] netlink_unicast+0x449/0x710 [ 8089.847295][ T10] netlink_sendmsg+0x723/0xbe0 [ 8089.847295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8089.847295][ T10] ___sys_sendmsg+0xee/0x170 [ 8089.847295][ T10] __sys_sendmsg+0xcd/0x170 [ 8089.847295][ T10] do_syscall_64+0xc6/0x1e0 [ 8089.847295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8089.847295][ T10] [ 8090.377056][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8090.377478][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8090.377478][ T1167] dst_init+0x84/0x4a0 [ 8090.377478][ T1167] dst_alloc+0x97/0x150 [ 8090.377478][ T1167] ip6_dst_alloc+0x23/0x90 [ 8090.377478][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8090.377478][ T1167] ip6_pol_route+0x56f/0x840 [ 8090.377478][ T1167] fib6_rule_lookup+0x334/0x630 [ 8090.377478][ T1167] ip6_route_output_flags+0x259/0x480 [ 8090.377478][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8090.377478][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8090.377478][ T1167] netlink_rcv_skb+0x130/0x360 [ 8090.377478][ T1167] netlink_unicast+0x449/0x710 [ 8090.377478][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8090.377478][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8090.377478][ T1167] ___sys_sendmsg+0xee/0x170 [ 8090.377478][ T1167] __sys_sendmsg+0xcd/0x170 [ 8090.377478][ T1167] do_syscall_64+0xc6/0x1e0 [ 8090.377478][ T1167] [ 8090.379678][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8090.379678][ T1167] netdev_get_by_index+0x5e/0x80 [ 8090.379678][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8090.379678][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8090.379678][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8090.379678][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8090.379678][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8090.379678][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8090.379678][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8090.379678][ T1167] addrconf_dad_begin+0x310/0x670 [ 8090.379678][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8090.379678][ T1167] process_one_work+0x84d/0x18a0 [ 8090.379678][ T1167] worker_thread+0x587/0xd30 [ 8090.379678][ T1167] kthread+0x28a/0x350 [ 8090.379678][ T1167] ret_from_fork+0x31/0x70 [ 8090.379678][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8090.379678][ T1167] [ 8090.381816][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8090.381816][ T1167] netdev_get_by_index+0x5e/0x80 [ 8090.381816][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8090.381816][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8090.381816][ T1167] ip6_route_add+0x1c/0x140 [ 8090.381816][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8090.381816][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8090.381816][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8090.381816][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8090.381816][ T1167] netlink_rcv_skb+0x130/0x360 [ 8090.381816][ T1167] netlink_unicast+0x449/0x710 [ 8090.381816][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8090.381816][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8090.381816][ T1167] ___sys_sendmsg+0xee/0x170 [ 8090.381816][ T1167] __sys_sendmsg+0xcd/0x170 [ 8090.381816][ T1167] do_syscall_64+0xc6/0x1e0 [ 8090.381816][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8090.381816][ T1167] [ 8090.384044][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8090.384044][ T1167] netdev_get_by_index+0x5e/0x80 [ 8090.384044][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8090.384044][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8090.384044][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8090.384044][ T1167] ipv6_add_addr+0x411/0x2000 [ 8090.384044][ T1167] inet6_addr_add+0x30e/0xa40 [ 8090.384044][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8090.384044][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8090.384044][ T1167] netlink_rcv_skb+0x130/0x360 [ 8090.384044][ T1167] netlink_unicast+0x449/0x710 [ 8090.384044][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8090.384044][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8090.384044][ T1167] ___sys_sendmsg+0xee/0x170 [ 8090.384044][ T1167] __sys_sendmsg+0xcd/0x170 [ 8090.384044][ T1167] do_syscall_64+0xc6/0x1e0 [ 8090.384044][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8090.384044][ T1167] [ 8090.386269][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8090.386269][ T1167] netdev_get_by_index+0x5e/0x80 [ 8090.386269][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8090.386269][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8090.386269][ T1167] ip6_route_add+0x1c/0x140 [ 8090.386269][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8090.386269][ T1167] addrconf_add_dev+0xe2/0x170 [ 8090.386269][ T1167] inet6_addr_add+0x12f/0xa40 [ 8090.386269][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8090.386269][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8090.386269][ T1167] netlink_rcv_skb+0x130/0x360 [ 8090.386269][ T1167] netlink_unicast+0x449/0x710 [ 8090.386269][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8090.386269][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8090.386269][ T1167] ___sys_sendmsg+0xee/0x170 [ 8090.386269][ T1167] __sys_sendmsg+0xcd/0x170 [ 8090.386269][ T1167] do_syscall_64+0xc6/0x1e0 [ 8090.386269][ T1167] [ 8090.388473][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8090.388473][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8090.388473][ T1167] ipv6_find_idev+0x102/0x170 [ 8090.388473][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8090.388473][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8090.388473][ T1167] netlink_rcv_skb+0x130/0x360 [ 8090.388473][ T1167] netlink_unicast+0x449/0x710 [ 8090.388473][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8090.388473][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8090.388473][ T1167] ___sys_sendmsg+0xee/0x170 [ 8090.388473][ T1167] __sys_sendmsg+0xcd/0x170 [ 8090.388473][ T1167] do_syscall_64+0xc6/0x1e0 [ 8090.388473][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8090.388473][ T1167] [ 8090.390194][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8090.390194][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8090.390194][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8090.390194][ T1167] ipv6_find_idev+0x102/0x170 [ 8090.390194][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8090.390194][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8090.390194][ T1167] netlink_rcv_skb+0x130/0x360 [ 8090.390194][ T1167] netlink_unicast+0x449/0x710 [ 8090.390194][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8090.390194][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8090.390194][ T1167] ___sys_sendmsg+0xee/0x170 [ 8090.390194][ T1167] __sys_sendmsg+0xcd/0x170 [ 8090.390194][ T1167] do_syscall_64+0xc6/0x1e0 [ 8090.390194][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8090.390194][ T1167] [ 8100.105061][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8100.105414][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8100.105414][ T10] netdev_get_by_index+0x5e/0x80 [ 8100.105414][ T10] fib6_nh_init+0x3d8/0x1580 [ 8100.105414][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8100.105414][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8100.105414][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8100.105414][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8100.105414][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8100.105414][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8100.105414][ T10] addrconf_dad_begin+0x310/0x670 [ 8100.105414][ T10] addrconf_dad_work+0x10b/0xab0 [ 8100.105414][ T10] process_one_work+0x84d/0x18a0 [ 8100.105414][ T10] worker_thread+0x587/0xd30 [ 8100.105414][ T10] kthread+0x28a/0x350 [ 8100.105414][ T10] ret_from_fork+0x31/0x70 [ 8100.105414][ T10] ret_from_fork_asm+0x1a/0x30 [ 8100.105414][ T10] [ 8100.107330][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8100.107330][ T10] netdev_get_by_index+0x5e/0x80 [ 8100.107330][ T10] fib6_nh_init+0x3d8/0x1580 [ 8100.107330][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8100.107330][ T10] ip6_route_add+0x1c/0x140 [ 8100.107330][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8100.107330][ T10] inet6_addr_add+0x4f8/0xa40 [ 8100.107330][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8100.107330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8100.107330][ T10] netlink_rcv_skb+0x130/0x360 [ 8100.107330][ T10] netlink_unicast+0x449/0x710 [ 8100.107330][ T10] netlink_sendmsg+0x723/0xbe0 [ 8100.107330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8100.107330][ T10] ___sys_sendmsg+0xee/0x170 [ 8100.107330][ T10] __sys_sendmsg+0xcd/0x170 [ 8100.107330][ T10] do_syscall_64+0xc6/0x1e0 [ 8100.107330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8100.107330][ T10] [ 8100.109313][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8100.109313][ T10] netdev_get_by_index+0x5e/0x80 [ 8100.109313][ T10] fib6_nh_init+0x3d8/0x1580 [ 8100.109313][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8100.109313][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8100.109313][ T10] ipv6_add_addr+0x411/0x2000 [ 8100.109313][ T10] inet6_addr_add+0x30e/0xa40 [ 8100.109313][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8100.109313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8100.109313][ T10] netlink_rcv_skb+0x130/0x360 [ 8100.109313][ T10] netlink_unicast+0x449/0x710 [ 8100.109313][ T10] netlink_sendmsg+0x723/0xbe0 [ 8100.109313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8100.109313][ T10] ___sys_sendmsg+0xee/0x170 [ 8100.109313][ T10] __sys_sendmsg+0xcd/0x170 [ 8100.109313][ T10] do_syscall_64+0xc6/0x1e0 [ 8100.109313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8100.109313][ T10] [ 8100.111308][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8100.111308][ T10] netdev_get_by_index+0x5e/0x80 [ 8100.111308][ T10] fib6_nh_init+0x3d8/0x1580 [ 8100.111308][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8100.111308][ T10] ip6_route_add+0x1c/0x140 [ 8100.111308][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8100.111308][ T10] addrconf_add_dev+0xe2/0x170 [ 8100.111308][ T10] inet6_addr_add+0x12f/0xa40 [ 8100.111308][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8100.111308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8100.111308][ T10] netlink_rcv_skb+0x130/0x360 [ 8100.111308][ T10] netlink_unicast+0x449/0x710 [ 8100.111308][ T10] netlink_sendmsg+0x723/0xbe0 [ 8100.111308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8100.111308][ T10] ___sys_sendmsg+0xee/0x170 [ 8100.111308][ T10] __sys_sendmsg+0xcd/0x170 [ 8100.111308][ T10] do_syscall_64+0xc6/0x1e0 [ 8100.111308][ T10] [ 8100.113262][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8100.113262][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8100.113262][ T10] ipv6_find_idev+0x102/0x170 [ 8100.113262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8100.113262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8100.113262][ T10] netlink_rcv_skb+0x130/0x360 [ 8100.113262][ T10] netlink_unicast+0x449/0x710 [ 8100.113262][ T10] netlink_sendmsg+0x723/0xbe0 [ 8100.113262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8100.113262][ T10] ___sys_sendmsg+0xee/0x170 [ 8100.113262][ T10] __sys_sendmsg+0xcd/0x170 [ 8100.113262][ T10] do_syscall_64+0xc6/0x1e0 [ 8100.113262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8100.113262][ T10] [ 8100.114791][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8100.114791][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8100.114791][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8100.114791][ T10] ipv6_find_idev+0x102/0x170 [ 8100.114791][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8100.114791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8100.114791][ T10] netlink_rcv_skb+0x130/0x360 [ 8100.114791][ T10] netlink_unicast+0x449/0x710 [ 8100.114791][ T10] netlink_sendmsg+0x723/0xbe0 [ 8100.114791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8100.114791][ T10] ___sys_sendmsg+0xee/0x170 [ 8100.114791][ T10] __sys_sendmsg+0xcd/0x170 [ 8100.114791][ T10] do_syscall_64+0xc6/0x1e0 [ 8100.114791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8100.114791][ T10] [ 8100.116464][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8100.116707][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8100.116707][ T10] netdev_get_by_index+0x5e/0x80 [ 8100.116707][ T10] fib6_nh_init+0x3d8/0x1580 [ 8100.116707][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8100.116707][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8100.116707][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8100.116707][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8100.116707][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8100.116707][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8100.116707][ T10] addrconf_dad_begin+0x310/0x670 [ 8100.116707][ T10] addrconf_dad_work+0x10b/0xab0 [ 8100.116707][ T10] process_one_work+0x84d/0x18a0 [ 8100.116707][ T10] worker_thread+0x587/0xd30 [ 8100.116707][ T10] kthread+0x28a/0x350 [ 8100.116707][ T10] ret_from_fork+0x31/0x70 [ 8100.116707][ T10] ret_from_fork_asm+0x1a/0x30 [ 8100.116707][ T10] [ 8100.118602][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8100.118602][ T10] netdev_get_by_index+0x5e/0x80 [ 8100.118602][ T10] fib6_nh_init+0x3d8/0x1580 [ 8100.118602][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8100.118602][ T10] ip6_route_add+0x1c/0x140 [ 8100.118602][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8100.118602][ T10] inet6_addr_add+0x4f8/0xa40 [ 8100.118602][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8100.118602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8100.118602][ T10] netlink_rcv_skb+0x130/0x360 [ 8100.118602][ T10] netlink_unicast+0x449/0x710 [ 8100.118602][ T10] netlink_sendmsg+0x723/0xbe0 [ 8100.118602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8100.118602][ T10] ___sys_sendmsg+0xee/0x170 [ 8100.118602][ T10] __sys_sendmsg+0xcd/0x170 [ 8100.118602][ T10] do_syscall_64+0xc6/0x1e0 [ 8100.118602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8100.118602][ T10] [ 8100.120583][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8100.120583][ T10] netdev_get_by_index+0x5e/0x80 [ 8100.120583][ T10] fib6_nh_init+0x3d8/0x1580 [ 8100.120583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8100.120583][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8100.120583][ T10] ipv6_add_addr+0x411/0x2000 [ 8100.120583][ T10] inet6_addr_add+0x30e/0xa40 [ 8100.120583][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8100.120583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8100.120583][ T10] netlink_rcv_skb+0x130/0x360 [ 8100.120583][ T10] netlink_unicast+0x449/0x710 [ 8100.120583][ T10] netlink_sendmsg+0x723/0xbe0 [ 8100.120583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8100.120583][ T10] ___sys_sendmsg+0xee/0x170 [ 8100.120583][ T10] __sys_sendmsg+0xcd/0x170 [ 8100.120583][ T10] do_syscall_64+0xc6/0x1e0 [ 8100.120583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8100.120583][ T10] [ 8100.122564][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8100.122564][ T10] netdev_get_by_index+0x5e/0x80 [ 8100.122564][ T10] fib6_nh_init+0x3d8/0x1580 [ 8100.122564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8100.122564][ T10] ip6_route_add+0x1c/0x140 [ 8100.122564][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8100.122564][ T10] addrconf_add_dev+0xe2/0x170 [ 8100.122564][ T10] inet6_addr_add+0x12f/0xa40 [ 8100.122564][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8100.122564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8100.122564][ T10] netlink_rcv_skb+0x130/0x360 [ 8100.122564][ T10] netlink_unicast+0x449/0x710 [ 8100.122564][ T10] netlink_sendmsg+0x723/0xbe0 [ 8100.122564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8100.122564][ T10] ___sys_sendmsg+0xee/0x170 [ 8100.122564][ T10] __sys_sendmsg+0xcd/0x170 [ 8100.122564][ T10] do_syscall_64+0xc6/0x1e0 [ 8100.122564][ T10] [ 8100.124630][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8100.124630][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8100.124630][ T10] ipv6_find_idev+0x102/0x170 [ 8100.124630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8100.124630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8100.124630][ T10] netlink_rcv_skb+0x130/0x360 [ 8100.124630][ T10] netlink_unicast+0x449/0x710 [ 8100.124630][ T10] netlink_sendmsg+0x723/0xbe0 [ 8100.124630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8100.124630][ T10] ___sys_sendmsg+0xee/0x170 [ 8100.124630][ T10] __sys_sendmsg+0xcd/0x170 [ 8100.124630][ T10] do_syscall_64+0xc6/0x1e0 [ 8100.124630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8100.124630][ T10] [ 8100.126155][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8100.126155][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8100.126155][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8100.126155][ T10] ipv6_find_idev+0x102/0x170 [ 8100.126155][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8100.126155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8100.126155][ T10] netlink_rcv_skb+0x130/0x360 [ 8100.126155][ T10] netlink_unicast+0x449/0x710 [ 8100.126155][ T10] netlink_sendmsg+0x723/0xbe0 [ 8100.126155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8100.126155][ T10] ___sys_sendmsg+0xee/0x170 [ 8100.126155][ T10] __sys_sendmsg+0xcd/0x170 [ 8100.126155][ T10] do_syscall_64+0xc6/0x1e0 [ 8100.126155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8100.126155][ T10] [ 8100.127839][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8100.128091][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8100.128091][ T10] netdev_get_by_index+0x5e/0x80 [ 8100.128091][ T10] fib6_nh_init+0x3d8/0x1580 [ 8100.128091][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8100.128091][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8100.128091][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8100.128091][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8100.128091][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8100.128091][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8100.128091][ T10] addrconf_dad_begin+0x310/0x670 [ 8100.128091][ T10] addrconf_dad_work+0x10b/0xab0 [ 8100.128091][ T10] process_one_work+0x84d/0x18a0 [ 8100.128091][ T10] worker_thread+0x587/0xd30 [ 8100.128091][ T10] kthread+0x28a/0x350 [ 8100.128091][ T10] ret_from_fork+0x31/0x70 [ 8100.128091][ T10] ret_from_fork_asm+0x1a/0x30 [ 8100.128091][ T10] [ 8100.129982][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8100.129982][ T10] netdev_get_by_index+0x5e/0x80 [ 8100.129982][ T10] fib6_nh_init+0x3d8/0x1580 [ 8100.129982][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8100.129982][ T10] ip6_route_add+0x1c/0x140 [ 8100.129982][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8100.129982][ T10] inet6_addr_add+0x4f8/0xa40 [ 8100.129982][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8100.129982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8100.129982][ T10] netlink_rcv_skb+0x130/0x360 [ 8100.129982][ T10] netlink_unicast+0x449/0x710 [ 8100.129982][ T10] netlink_sendmsg+0x723/0xbe0 [ 8100.129982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8100.129982][ T10] ___sys_sendmsg+0xee/0x170 [ 8100.129982][ T10] __sys_sendmsg+0xcd/0x170 [ 8100.129982][ T10] do_syscall_64+0xc6/0x1e0 [ 8100.129982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8100.129982][ T10] [ 8100.132094][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8100.132094][ T10] netdev_get_by_index+0x5e/0x80 [ 8100.132094][ T10] fib6_nh_init+0x3d8/0x1580 [ 8100.132094][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8100.132094][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8100.132094][ T10] ipv6_add_addr+0x411/0x2000 [ 8100.132094][ T10] inet6_addr_add+0x30e/0xa40 [ 8100.132094][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8100.132094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8100.132094][ T10] netlink_rcv_skb+0x130/0x360 [ 8100.132094][ T10] netlink_unicast+0x449/0x710 [ 8100.132094][ T10] netlink_sendmsg+0x723/0xbe0 [ 8100.132094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8100.132094][ T10] ___sys_sendmsg+0xee/0x170 [ 8100.132094][ T10] __sys_sendmsg+0xcd/0x170 [ 8100.132094][ T10] do_syscall_64+0xc6/0x1e0 [ 8100.132094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8100.132094][ T10] [ 8100.134188][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8100.134188][ T10] netdev_get_by_index+0x5e/0x80 [ 8100.134188][ T10] fib6_nh_init+0x3d8/0x1580 [ 8100.134188][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8100.134188][ T10] ip6_route_add+0x1c/0x140 [ 8100.134188][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8100.134188][ T10] addrconf_add_dev+0xe2/0x170 [ 8100.134188][ T10] inet6_addr_add+0x12f/0xa40 [ 8100.134188][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8100.134188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8100.134188][ T10] netlink_rcv_skb+0x130/0x360 [ 8100.134188][ T10] netlink_unicast+0x449/0x710 [ 8100.134188][ T10] netlink_sendmsg+0x723/0xbe0 [ 8100.134188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8100.134188][ T10] ___sys_sendmsg+0xee/0x170 [ 8100.134188][ T10] __sys_sendmsg+0xcd/0x170 [ 8100.134188][ T10] do_syscall_64+0xc6/0x1e0 [ 8100.134188][ T10] [ 8100.136266][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8100.136266][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8100.136266][ T10] ipv6_find_idev+0x102/0x170 [ 8100.136266][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8100.136266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8100.136266][ T10] netlink_rcv_skb+0x130/0x360 [ 8100.136266][ T10] netlink_unicast+0x449/0x710 [ 8100.136266][ T10] netlink_sendmsg+0x723/0xbe0 [ 8100.136266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8100.136266][ T10] ___sys_sendmsg+0xee/0x170 [ 8100.136266][ T10] __sys_sendmsg+0xcd/0x170 [ 8100.136266][ T10] do_syscall_64+0xc6/0x1e0 [ 8100.136266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8100.136266][ T10] [ 8100.137847][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8100.137847][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8100.137847][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8100.137847][ T10] ipv6_find_idev+0x102/0x170 [ 8100.137847][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8100.137847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8100.137847][ T10] netlink_rcv_skb+0x130/0x360 [ 8100.137847][ T10] netlink_unicast+0x449/0x710 [ 8100.137847][ T10] netlink_sendmsg+0x723/0xbe0 [ 8100.137847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8100.137847][ T10] ___sys_sendmsg+0xee/0x170 [ 8100.137847][ T10] __sys_sendmsg+0xcd/0x170 [ 8100.137847][ T10] do_syscall_64+0xc6/0x1e0 [ 8100.137847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8100.137847][ T10] [ 8100.140155][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8100.140397][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8100.140397][ T10] netdev_get_by_index+0x5e/0x80 [ 8100.140397][ T10] fib6_nh_init+0x3d8/0x1580 [ 8100.140397][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8100.140397][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8100.140397][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8100.140397][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8100.140397][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8100.140397][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8100.140397][ T10] addrconf_dad_begin+0x310/0x670 [ 8100.140397][ T10] addrconf_dad_work+0x10b/0xab0 [ 8100.140397][ T10] process_one_work+0x84d/0x18a0 [ 8100.140397][ T10] worker_thread+0x587/0xd30 [ 8100.140397][ T10] kthread+0x28a/0x350 [ 8100.140397][ T10] ret_from_fork+0x31/0x70 [ 8100.140397][ T10] ret_from_fork_asm+0x1a/0x30 [ 8100.140397][ T10] [ 8100.142410][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8100.142410][ T10] netdev_get_by_index+0x5e/0x80 [ 8100.142410][ T10] fib6_nh_init+0x3d8/0x1580 [ 8100.142410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8100.142410][ T10] ip6_route_add+0x1c/0x140 [ 8100.142410][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8100.142410][ T10] inet6_addr_add+0x4f8/0xa40 [ 8100.142410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8100.142410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8100.142410][ T10] netlink_rcv_skb+0x130/0x360 [ 8100.142410][ T10] netlink_unicast+0x449/0x710 [ 8100.142410][ T10] netlink_sendmsg+0x723/0xbe0 [ 8100.142410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8100.142410][ T10] ___sys_sendmsg+0xee/0x170 [ 8100.142410][ T10] __sys_sendmsg+0xcd/0x170 [ 8100.142410][ T10] do_syscall_64+0xc6/0x1e0 [ 8100.142410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8100.142410][ T10] [ 8100.144513][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8100.144513][ T10] netdev_get_by_index+0x5e/0x80 [ 8100.144513][ T10] fib6_nh_init+0x3d8/0x1580 [ 8100.144513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8100.144513][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8100.144513][ T10] ipv6_add_addr+0x411/0x2000 [ 8100.144513][ T10] inet6_addr_add+0x30e/0xa40 [ 8100.144513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8100.144513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8100.144513][ T10] netlink_rcv_skb+0x130/0x360 [ 8100.144513][ T10] netlink_unicast+0x449/0x710 [ 8100.144513][ T10] netlink_sendmsg+0x723/0xbe0 [ 8100.144513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8100.144513][ T10] ___sys_sendmsg+0xee/0x170 [ 8100.144513][ T10] __sys_sendmsg+0xcd/0x170 [ 8100.144513][ T10] do_syscall_64+0xc6/0x1e0 [ 8100.144513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8100.144513][ T10] [ 8100.146614][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8100.146614][ T10] netdev_get_by_index+0x5e/0x80 [ 8100.146614][ T10] fib6_nh_init+0x3d8/0x1580 [ 8100.146614][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8100.146614][ T10] ip6_route_add+0x1c/0x140 [ 8100.146614][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8100.146614][ T10] addrconf_add_dev+0xe2/0x170 [ 8100.146614][ T10] inet6_addr_add+0x12f/0xa40 [ 8100.146614][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8100.146614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8100.146614][ T10] netlink_rcv_skb+0x130/0x360 [ 8100.146614][ T10] netlink_unicast+0x449/0x710 [ 8100.146614][ T10] netlink_sendmsg+0x723/0xbe0 [ 8100.146614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8100.146614][ T10] ___sys_sendmsg+0xee/0x170 [ 8100.146614][ T10] __sys_sendmsg+0xcd/0x170 [ 8100.146614][ T10] do_syscall_64+0xc6/0x1e0 [ 8100.146614][ T10] [ 8100.148614][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8100.148614][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8100.148614][ T10] ipv6_find_idev+0x102/0x170 [ 8100.148614][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8100.148614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8100.148614][ T10] netlink_rcv_skb+0x130/0x360 [ 8100.148614][ T10] netlink_unicast+0x449/0x710 [ 8100.148614][ T10] netlink_sendmsg+0x723/0xbe0 [ 8100.148614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8100.148614][ T10] ___sys_sendmsg+0xee/0x170 [ 8100.148614][ T10] __sys_sendmsg+0xcd/0x170 [ 8100.148614][ T10] do_syscall_64+0xc6/0x1e0 [ 8100.148614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8100.148614][ T10] [ 8100.150281][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8100.150281][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8100.150281][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8100.150281][ T10] ipv6_find_idev+0x102/0x170 [ 8100.150281][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8100.150281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8100.150281][ T10] netlink_rcv_skb+0x130/0x360 [ 8100.150281][ T10] netlink_unicast+0x449/0x710 [ 8100.150281][ T10] netlink_sendmsg+0x723/0xbe0 [ 8100.150281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8100.150281][ T10] ___sys_sendmsg+0xee/0x170 [ 8100.150281][ T10] __sys_sendmsg+0xcd/0x170 [ 8100.150281][ T10] do_syscall_64+0xc6/0x1e0 [ 8100.150281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8100.150281][ T10] [ 8100.417136][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8100.417555][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8100.417555][ T1167] dst_init+0x84/0x4a0 [ 8100.417555][ T1167] dst_alloc+0x97/0x150 [ 8100.417555][ T1167] ip6_dst_alloc+0x23/0x90 [ 8100.417555][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8100.417555][ T1167] ip6_pol_route+0x56f/0x840 [ 8100.417555][ T1167] fib6_rule_lookup+0x334/0x630 [ 8100.417555][ T1167] ip6_route_output_flags+0x259/0x480 [ 8100.417555][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8100.417555][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8100.417555][ T1167] netlink_rcv_skb+0x130/0x360 [ 8100.417555][ T1167] netlink_unicast+0x449/0x710 [ 8100.417555][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8100.417555][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8100.417555][ T1167] ___sys_sendmsg+0xee/0x170 [ 8100.417555][ T1167] __sys_sendmsg+0xcd/0x170 [ 8100.417555][ T1167] do_syscall_64+0xc6/0x1e0 [ 8100.417555][ T1167] [ 8100.419776][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8100.419776][ T1167] netdev_get_by_index+0x5e/0x80 [ 8100.419776][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8100.419776][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8100.419776][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8100.419776][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8100.419776][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8100.419776][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8100.419776][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8100.419776][ T1167] addrconf_dad_begin+0x310/0x670 [ 8100.419776][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8100.419776][ T1167] process_one_work+0x84d/0x18a0 [ 8100.419776][ T1167] worker_thread+0x587/0xd30 [ 8100.419776][ T1167] kthread+0x28a/0x350 [ 8100.419776][ T1167] ret_from_fork+0x31/0x70 [ 8100.419776][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8100.419776][ T1167] [ 8100.421934][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8100.421934][ T1167] netdev_get_by_index+0x5e/0x80 [ 8100.421934][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8100.421934][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8100.421934][ T1167] ip6_route_add+0x1c/0x140 [ 8100.421934][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8100.421934][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8100.421934][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8100.421934][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8100.421934][ T1167] netlink_rcv_skb+0x130/0x360 [ 8100.421934][ T1167] netlink_unicast+0x449/0x710 [ 8100.421934][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8100.421934][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8100.421934][ T1167] ___sys_sendmsg+0xee/0x170 [ 8100.421934][ T1167] __sys_sendmsg+0xcd/0x170 [ 8100.421934][ T1167] do_syscall_64+0xc6/0x1e0 [ 8100.421934][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8100.421934][ T1167] [ 8100.424193][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8100.424193][ T1167] netdev_get_by_index+0x5e/0x80 [ 8100.424193][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8100.424193][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8100.424193][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8100.424193][ T1167] ipv6_add_addr+0x411/0x2000 [ 8100.424193][ T1167] inet6_addr_add+0x30e/0xa40 [ 8100.424193][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8100.424193][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8100.424193][ T1167] netlink_rcv_skb+0x130/0x360 [ 8100.424193][ T1167] netlink_unicast+0x449/0x710 [ 8100.424193][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8100.424193][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8100.424193][ T1167] ___sys_sendmsg+0xee/0x170 [ 8100.424193][ T1167] __sys_sendmsg+0xcd/0x170 [ 8100.424193][ T1167] do_syscall_64+0xc6/0x1e0 [ 8100.424193][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8100.424193][ T1167] [ 8100.426439][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8100.426439][ T1167] netdev_get_by_index+0x5e/0x80 [ 8100.426439][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8100.426439][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8100.426439][ T1167] ip6_route_add+0x1c/0x140 [ 8100.426439][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8100.426439][ T1167] addrconf_add_dev+0xe2/0x170 [ 8100.426439][ T1167] inet6_addr_add+0x12f/0xa40 [ 8100.426439][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8100.426439][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8100.426439][ T1167] netlink_rcv_skb+0x130/0x360 [ 8100.426439][ T1167] netlink_unicast+0x449/0x710 [ 8100.426439][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8100.426439][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8100.426439][ T1167] ___sys_sendmsg+0xee/0x170 [ 8100.426439][ T1167] __sys_sendmsg+0xcd/0x170 [ 8100.426439][ T1167] do_syscall_64+0xc6/0x1e0 [ 8100.426439][ T1167] [ 8100.428664][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8100.428664][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8100.428664][ T1167] ipv6_find_idev+0x102/0x170 [ 8100.428664][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8100.428664][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8100.428664][ T1167] netlink_rcv_skb+0x130/0x360 [ 8100.428664][ T1167] netlink_unicast+0x449/0x710 [ 8100.428664][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8100.428664][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8100.428664][ T1167] ___sys_sendmsg+0xee/0x170 [ 8100.428664][ T1167] __sys_sendmsg+0xcd/0x170 [ 8100.428664][ T1167] do_syscall_64+0xc6/0x1e0 [ 8100.428664][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8100.428664][ T1167] [ 8100.430409][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8100.430409][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8100.430409][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8100.430409][ T1167] ipv6_find_idev+0x102/0x170 [ 8100.430409][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8100.430409][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8100.430409][ T1167] netlink_rcv_skb+0x130/0x360 [ 8100.430409][ T1167] netlink_unicast+0x449/0x710 [ 8100.430409][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8100.430409][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8100.430409][ T1167] ___sys_sendmsg+0xee/0x170 [ 8100.430409][ T1167] __sys_sendmsg+0xcd/0x170 [ 8100.430409][ T1167] do_syscall_64+0xc6/0x1e0 [ 8100.430409][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8100.430409][ T1167] [ 8110.177136][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8110.177574][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8110.177574][ T10] netdev_get_by_index+0x5e/0x80 [ 8110.177574][ T10] fib6_nh_init+0x3d8/0x1580 [ 8110.177574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8110.177574][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8110.177574][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8110.177574][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8110.177574][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8110.177574][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8110.177574][ T10] addrconf_dad_begin+0x310/0x670 [ 8110.177574][ T10] addrconf_dad_work+0x10b/0xab0 [ 8110.177574][ T10] process_one_work+0x84d/0x18a0 [ 8110.177574][ T10] worker_thread+0x587/0xd30 [ 8110.177574][ T10] kthread+0x28a/0x350 [ 8110.177574][ T10] ret_from_fork+0x31/0x70 [ 8110.177574][ T10] ret_from_fork_asm+0x1a/0x30 [ 8110.177574][ T10] [ 8110.179504][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8110.179504][ T10] netdev_get_by_index+0x5e/0x80 [ 8110.179504][ T10] fib6_nh_init+0x3d8/0x1580 [ 8110.179504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8110.179504][ T10] ip6_route_add+0x1c/0x140 [ 8110.179504][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8110.179504][ T10] inet6_addr_add+0x4f8/0xa40 [ 8110.179504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8110.179504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8110.179504][ T10] netlink_rcv_skb+0x130/0x360 [ 8110.179504][ T10] netlink_unicast+0x449/0x710 [ 8110.179504][ T10] netlink_sendmsg+0x723/0xbe0 [ 8110.179504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8110.179504][ T10] ___sys_sendmsg+0xee/0x170 [ 8110.179504][ T10] __sys_sendmsg+0xcd/0x170 [ 8110.179504][ T10] do_syscall_64+0xc6/0x1e0 [ 8110.179504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8110.179504][ T10] [ 8110.181499][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8110.181499][ T10] netdev_get_by_index+0x5e/0x80 [ 8110.181499][ T10] fib6_nh_init+0x3d8/0x1580 [ 8110.181499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8110.181499][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8110.181499][ T10] ipv6_add_addr+0x411/0x2000 [ 8110.181499][ T10] inet6_addr_add+0x30e/0xa40 [ 8110.181499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8110.181499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8110.181499][ T10] netlink_rcv_skb+0x130/0x360 [ 8110.181499][ T10] netlink_unicast+0x449/0x710 [ 8110.181499][ T10] netlink_sendmsg+0x723/0xbe0 [ 8110.181499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8110.181499][ T10] ___sys_sendmsg+0xee/0x170 [ 8110.181499][ T10] __sys_sendmsg+0xcd/0x170 [ 8110.181499][ T10] do_syscall_64+0xc6/0x1e0 [ 8110.181499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8110.181499][ T10] [ 8110.183477][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8110.183477][ T10] netdev_get_by_index+0x5e/0x80 [ 8110.183477][ T10] fib6_nh_init+0x3d8/0x1580 [ 8110.183477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8110.183477][ T10] ip6_route_add+0x1c/0x140 [ 8110.183477][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8110.183477][ T10] addrconf_add_dev+0xe2/0x170 [ 8110.183477][ T10] inet6_addr_add+0x12f/0xa40 [ 8110.183477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8110.183477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8110.183477][ T10] netlink_rcv_skb+0x130/0x360 [ 8110.183477][ T10] netlink_unicast+0x449/0x710 [ 8110.183477][ T10] netlink_sendmsg+0x723/0xbe0 [ 8110.183477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8110.183477][ T10] ___sys_sendmsg+0xee/0x170 [ 8110.183477][ T10] __sys_sendmsg+0xcd/0x170 [ 8110.183477][ T10] do_syscall_64+0xc6/0x1e0 [ 8110.183477][ T10] [ 8110.185439][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8110.185439][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8110.185439][ T10] ipv6_find_idev+0x102/0x170 [ 8110.185439][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8110.185439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8110.185439][ T10] netlink_rcv_skb+0x130/0x360 [ 8110.185439][ T10] netlink_unicast+0x449/0x710 [ 8110.185439][ T10] netlink_sendmsg+0x723/0xbe0 [ 8110.185439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8110.185439][ T10] ___sys_sendmsg+0xee/0x170 [ 8110.185439][ T10] __sys_sendmsg+0xcd/0x170 [ 8110.185439][ T10] do_syscall_64+0xc6/0x1e0 [ 8110.185439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8110.185439][ T10] [ 8110.186971][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8110.186971][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8110.186971][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8110.186971][ T10] ipv6_find_idev+0x102/0x170 [ 8110.186971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8110.186971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8110.186971][ T10] netlink_rcv_skb+0x130/0x360 [ 8110.186971][ T10] netlink_unicast+0x449/0x710 [ 8110.186971][ T10] netlink_sendmsg+0x723/0xbe0 [ 8110.186971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8110.186971][ T10] ___sys_sendmsg+0xee/0x170 [ 8110.186971][ T10] __sys_sendmsg+0xcd/0x170 [ 8110.186971][ T10] do_syscall_64+0xc6/0x1e0 [ 8110.186971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8110.186971][ T10] [ 8110.188649][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8110.188897][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8110.188897][ T10] netdev_get_by_index+0x5e/0x80 [ 8110.188897][ T10] fib6_nh_init+0x3d8/0x1580 [ 8110.188897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8110.188897][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8110.188897][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8110.188897][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8110.188897][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8110.188897][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8110.188897][ T10] addrconf_dad_begin+0x310/0x670 [ 8110.188897][ T10] addrconf_dad_work+0x10b/0xab0 [ 8110.188897][ T10] process_one_work+0x84d/0x18a0 [ 8110.188897][ T10] worker_thread+0x587/0xd30 [ 8110.188897][ T10] kthread+0x28a/0x350 [ 8110.188897][ T10] ret_from_fork+0x31/0x70 [ 8110.188897][ T10] ret_from_fork_asm+0x1a/0x30 [ 8110.188897][ T10] [ 8110.190790][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8110.190790][ T10] netdev_get_by_index+0x5e/0x80 [ 8110.190790][ T10] fib6_nh_init+0x3d8/0x1580 [ 8110.190790][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8110.190790][ T10] ip6_route_add+0x1c/0x140 [ 8110.190790][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8110.190790][ T10] inet6_addr_add+0x4f8/0xa40 [ 8110.190790][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8110.190790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8110.190790][ T10] netlink_rcv_skb+0x130/0x360 [ 8110.190790][ T10] netlink_unicast+0x449/0x710 [ 8110.190790][ T10] netlink_sendmsg+0x723/0xbe0 [ 8110.190790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8110.190790][ T10] ___sys_sendmsg+0xee/0x170 [ 8110.190790][ T10] __sys_sendmsg+0xcd/0x170 [ 8110.190790][ T10] do_syscall_64+0xc6/0x1e0 [ 8110.190790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8110.190790][ T10] [ 8110.192769][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8110.192769][ T10] netdev_get_by_index+0x5e/0x80 [ 8110.192769][ T10] fib6_nh_init+0x3d8/0x1580 [ 8110.192769][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8110.192769][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8110.192769][ T10] ipv6_add_addr+0x411/0x2000 [ 8110.192769][ T10] inet6_addr_add+0x30e/0xa40 [ 8110.192769][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8110.192769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8110.192769][ T10] netlink_rcv_skb+0x130/0x360 [ 8110.192769][ T10] netlink_unicast+0x449/0x710 [ 8110.192769][ T10] netlink_sendmsg+0x723/0xbe0 [ 8110.192769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8110.192769][ T10] ___sys_sendmsg+0xee/0x170 [ 8110.192769][ T10] __sys_sendmsg+0xcd/0x170 [ 8110.192769][ T10] do_syscall_64+0xc6/0x1e0 [ 8110.192769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8110.192769][ T10] [ 8110.194746][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8110.194746][ T10] netdev_get_by_index+0x5e/0x80 [ 8110.194746][ T10] fib6_nh_init+0x3d8/0x1580 [ 8110.194746][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8110.194746][ T10] ip6_route_add+0x1c/0x140 [ 8110.194746][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8110.194746][ T10] addrconf_add_dev+0xe2/0x170 [ 8110.194746][ T10] inet6_addr_add+0x12f/0xa40 [ 8110.194746][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8110.194746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8110.194746][ T10] netlink_rcv_skb+0x130/0x360 [ 8110.194746][ T10] netlink_unicast+0x449/0x710 [ 8110.194746][ T10] netlink_sendmsg+0x723/0xbe0 [ 8110.194746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8110.194746][ T10] ___sys_sendmsg+0xee/0x170 [ 8110.194746][ T10] __sys_sendmsg+0xcd/0x170 [ 8110.194746][ T10] do_syscall_64+0xc6/0x1e0 [ 8110.194746][ T10] [ 8110.196687][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8110.196687][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8110.196687][ T10] ipv6_find_idev+0x102/0x170 [ 8110.196687][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8110.196687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8110.196687][ T10] netlink_rcv_skb+0x130/0x360 [ 8110.196687][ T10] netlink_unicast+0x449/0x710 [ 8110.196687][ T10] netlink_sendmsg+0x723/0xbe0 [ 8110.196687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8110.196687][ T10] ___sys_sendmsg+0xee/0x170 [ 8110.196687][ T10] __sys_sendmsg+0xcd/0x170 [ 8110.196687][ T10] do_syscall_64+0xc6/0x1e0 [ 8110.196687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8110.196687][ T10] [ 8110.198210][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8110.198210][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8110.198210][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8110.198210][ T10] ipv6_find_idev+0x102/0x170 [ 8110.198210][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8110.198210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8110.198210][ T10] netlink_rcv_skb+0x130/0x360 [ 8110.198210][ T10] netlink_unicast+0x449/0x710 [ 8110.198210][ T10] netlink_sendmsg+0x723/0xbe0 [ 8110.198210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8110.198210][ T10] ___sys_sendmsg+0xee/0x170 [ 8110.198210][ T10] __sys_sendmsg+0xcd/0x170 [ 8110.198210][ T10] do_syscall_64+0xc6/0x1e0 [ 8110.198210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8110.198210][ T10] [ 8110.199879][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8110.200125][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8110.200125][ T10] netdev_get_by_index+0x5e/0x80 [ 8110.200125][ T10] fib6_nh_init+0x3d8/0x1580 [ 8110.200125][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8110.200125][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8110.200125][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8110.200125][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8110.200125][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8110.200125][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8110.200125][ T10] addrconf_dad_begin+0x310/0x670 [ 8110.200125][ T10] addrconf_dad_work+0x10b/0xab0 [ 8110.200125][ T10] process_one_work+0x84d/0x18a0 [ 8110.200125][ T10] worker_thread+0x587/0xd30 [ 8110.200125][ T10] kthread+0x28a/0x350 [ 8110.200125][ T10] ret_from_fork+0x31/0x70 [ 8110.200125][ T10] ret_from_fork_asm+0x1a/0x30 [ 8110.200125][ T10] [ 8110.202028][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8110.202028][ T10] netdev_get_by_index+0x5e/0x80 [ 8110.202028][ T10] fib6_nh_init+0x3d8/0x1580 [ 8110.202028][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8110.202028][ T10] ip6_route_add+0x1c/0x140 [ 8110.202028][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8110.202028][ T10] inet6_addr_add+0x4f8/0xa40 [ 8110.202028][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8110.202028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8110.202028][ T10] netlink_rcv_skb+0x130/0x360 [ 8110.202028][ T10] netlink_unicast+0x449/0x710 [ 8110.202028][ T10] netlink_sendmsg+0x723/0xbe0 [ 8110.202028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8110.202028][ T10] ___sys_sendmsg+0xee/0x170 [ 8110.202028][ T10] __sys_sendmsg+0xcd/0x170 [ 8110.202028][ T10] do_syscall_64+0xc6/0x1e0 [ 8110.202028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8110.202028][ T10] [ 8110.204314][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8110.204314][ T10] netdev_get_by_index+0x5e/0x80 [ 8110.204314][ T10] fib6_nh_init+0x3d8/0x1580 [ 8110.204314][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8110.204314][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8110.204314][ T10] ipv6_add_addr+0x411/0x2000 [ 8110.204314][ T10] inet6_addr_add+0x30e/0xa40 [ 8110.204314][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8110.204314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8110.204314][ T10] netlink_rcv_skb+0x130/0x360 [ 8110.204314][ T10] netlink_unicast+0x449/0x710 [ 8110.204314][ T10] netlink_sendmsg+0x723/0xbe0 [ 8110.204314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8110.204314][ T10] ___sys_sendmsg+0xee/0x170 [ 8110.204314][ T10] __sys_sendmsg+0xcd/0x170 [ 8110.204314][ T10] do_syscall_64+0xc6/0x1e0 [ 8110.204314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8110.204314][ T10] [ 8110.206472][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8110.206472][ T10] netdev_get_by_index+0x5e/0x80 [ 8110.206472][ T10] fib6_nh_init+0x3d8/0x1580 [ 8110.206472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8110.206472][ T10] ip6_route_add+0x1c/0x140 [ 8110.206472][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8110.206472][ T10] addrconf_add_dev+0xe2/0x170 [ 8110.206472][ T10] inet6_addr_add+0x12f/0xa40 [ 8110.206472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8110.206472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8110.206472][ T10] netlink_rcv_skb+0x130/0x360 [ 8110.206472][ T10] netlink_unicast+0x449/0x710 [ 8110.206472][ T10] netlink_sendmsg+0x723/0xbe0 [ 8110.206472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8110.206472][ T10] ___sys_sendmsg+0xee/0x170 [ 8110.206472][ T10] __sys_sendmsg+0xcd/0x170 [ 8110.206472][ T10] do_syscall_64+0xc6/0x1e0 [ 8110.206472][ T10] [ 8110.208659][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8110.208659][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8110.208659][ T10] ipv6_find_idev+0x102/0x170 [ 8110.208659][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8110.208659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8110.208659][ T10] netlink_rcv_skb+0x130/0x360 [ 8110.208659][ T10] netlink_unicast+0x449/0x710 [ 8110.208659][ T10] netlink_sendmsg+0x723/0xbe0 [ 8110.208659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8110.208659][ T10] ___sys_sendmsg+0xee/0x170 [ 8110.208659][ T10] __sys_sendmsg+0xcd/0x170 [ 8110.208659][ T10] do_syscall_64+0xc6/0x1e0 [ 8110.208659][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8110.208659][ T10] [ 8110.210379][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8110.210379][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8110.210379][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8110.210379][ T10] ipv6_find_idev+0x102/0x170 [ 8110.210379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8110.210379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8110.210379][ T10] netlink_rcv_skb+0x130/0x360 [ 8110.210379][ T10] netlink_unicast+0x449/0x710 [ 8110.210379][ T10] netlink_sendmsg+0x723/0xbe0 [ 8110.210379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8110.210379][ T10] ___sys_sendmsg+0xee/0x170 [ 8110.210379][ T10] __sys_sendmsg+0xcd/0x170 [ 8110.210379][ T10] do_syscall_64+0xc6/0x1e0 [ 8110.210379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8110.210379][ T10] [ 8110.212253][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8110.212548][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8110.212548][ T10] netdev_get_by_index+0x5e/0x80 [ 8110.212548][ T10] fib6_nh_init+0x3d8/0x1580 [ 8110.212548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8110.212548][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8110.212548][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8110.212548][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8110.212548][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8110.212548][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8110.212548][ T10] addrconf_dad_begin+0x310/0x670 [ 8110.212548][ T10] addrconf_dad_work+0x10b/0xab0 [ 8110.212548][ T10] process_one_work+0x84d/0x18a0 [ 8110.212548][ T10] worker_thread+0x587/0xd30 [ 8110.212548][ T10] kthread+0x28a/0x350 [ 8110.212548][ T10] ret_from_fork+0x31/0x70 [ 8110.212548][ T10] ret_from_fork_asm+0x1a/0x30 [ 8110.212548][ T10] [ 8110.214626][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8110.214626][ T10] netdev_get_by_index+0x5e/0x80 [ 8110.214626][ T10] fib6_nh_init+0x3d8/0x1580 [ 8110.214626][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8110.214626][ T10] ip6_route_add+0x1c/0x140 [ 8110.214626][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8110.214626][ T10] inet6_addr_add+0x4f8/0xa40 [ 8110.214626][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8110.214626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8110.214626][ T10] netlink_rcv_skb+0x130/0x360 [ 8110.214626][ T10] netlink_unicast+0x449/0x710 [ 8110.214626][ T10] netlink_sendmsg+0x723/0xbe0 [ 8110.214626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8110.214626][ T10] ___sys_sendmsg+0xee/0x170 [ 8110.214626][ T10] __sys_sendmsg+0xcd/0x170 [ 8110.214626][ T10] do_syscall_64+0xc6/0x1e0 [ 8110.214626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8110.214626][ T10] [ 8110.216866][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8110.216866][ T10] netdev_get_by_index+0x5e/0x80 [ 8110.216866][ T10] fib6_nh_init+0x3d8/0x1580 [ 8110.216866][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8110.216866][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8110.216866][ T10] ipv6_add_addr+0x411/0x2000 [ 8110.216866][ T10] inet6_addr_add+0x30e/0xa40 [ 8110.216866][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8110.216866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8110.216866][ T10] netlink_rcv_skb+0x130/0x360 [ 8110.216866][ T10] netlink_unicast+0x449/0x710 [ 8110.216866][ T10] netlink_sendmsg+0x723/0xbe0 [ 8110.216866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8110.216866][ T10] ___sys_sendmsg+0xee/0x170 [ 8110.216866][ T10] __sys_sendmsg+0xcd/0x170 [ 8110.216866][ T10] do_syscall_64+0xc6/0x1e0 [ 8110.216866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8110.216866][ T10] [ 8110.219593][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8110.219593][ T10] netdev_get_by_index+0x5e/0x80 [ 8110.219593][ T10] fib6_nh_init+0x3d8/0x1580 [ 8110.219593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8110.219593][ T10] ip6_route_add+0x1c/0x140 [ 8110.219593][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8110.219593][ T10] addrconf_add_dev+0xe2/0x170 [ 8110.219593][ T10] inet6_addr_add+0x12f/0xa40 [ 8110.219593][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8110.219593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8110.219593][ T10] netlink_rcv_skb+0x130/0x360 [ 8110.219593][ T10] netlink_unicast+0x449/0x710 [ 8110.219593][ T10] netlink_sendmsg+0x723/0xbe0 [ 8110.219593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8110.219593][ T10] ___sys_sendmsg+0xee/0x170 [ 8110.219593][ T10] __sys_sendmsg+0xcd/0x170 [ 8110.219593][ T10] do_syscall_64+0xc6/0x1e0 [ 8110.219593][ T10] [ 8110.221777][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8110.221777][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8110.221777][ T10] ipv6_find_idev+0x102/0x170 [ 8110.221777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8110.221777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8110.221777][ T10] netlink_rcv_skb+0x130/0x360 [ 8110.221777][ T10] netlink_unicast+0x449/0x710 [ 8110.221777][ T10] netlink_sendmsg+0x723/0xbe0 [ 8110.221777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8110.221777][ T10] ___sys_sendmsg+0xee/0x170 [ 8110.221777][ T10] __sys_sendmsg+0xcd/0x170 [ 8110.221777][ T10] do_syscall_64+0xc6/0x1e0 [ 8110.221777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8110.221777][ T10] [ 8110.223540][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8110.223540][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8110.223540][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8110.223540][ T10] ipv6_find_idev+0x102/0x170 [ 8110.223540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8110.223540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8110.223540][ T10] netlink_rcv_skb+0x130/0x360 [ 8110.223540][ T10] netlink_unicast+0x449/0x710 [ 8110.223540][ T10] netlink_sendmsg+0x723/0xbe0 [ 8110.223540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8110.223540][ T10] ___sys_sendmsg+0xee/0x170 [ 8110.223540][ T10] __sys_sendmsg+0xcd/0x170 [ 8110.223540][ T10] do_syscall_64+0xc6/0x1e0 [ 8110.223540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8110.223540][ T10] [ 8110.433105][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8110.433568][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8110.433568][ T1167] dst_init+0x84/0x4a0 [ 8110.433568][ T1167] dst_alloc+0x97/0x150 [ 8110.433568][ T1167] ip6_dst_alloc+0x23/0x90 [ 8110.433568][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8110.433568][ T1167] ip6_pol_route+0x56f/0x840 [ 8110.433568][ T1167] fib6_rule_lookup+0x334/0x630 [ 8110.433568][ T1167] ip6_route_output_flags+0x259/0x480 [ 8110.433568][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8110.433568][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8110.433568][ T1167] netlink_rcv_skb+0x130/0x360 [ 8110.433568][ T1167] netlink_unicast+0x449/0x710 [ 8110.433568][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8110.433568][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8110.433568][ T1167] ___sys_sendmsg+0xee/0x170 [ 8110.433568][ T1167] __sys_sendmsg+0xcd/0x170 [ 8110.433568][ T1167] do_syscall_64+0xc6/0x1e0 [ 8110.433568][ T1167] [ 8110.435789][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8110.435789][ T1167] netdev_get_by_index+0x5e/0x80 [ 8110.435789][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8110.435789][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8110.435789][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8110.435789][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8110.435789][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8110.435789][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8110.435789][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8110.435789][ T1167] addrconf_dad_begin+0x310/0x670 [ 8110.435789][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8110.435789][ T1167] process_one_work+0x84d/0x18a0 [ 8110.435789][ T1167] worker_thread+0x587/0xd30 [ 8110.435789][ T1167] kthread+0x28a/0x350 [ 8110.435789][ T1167] ret_from_fork+0x31/0x70 [ 8110.435789][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8110.435789][ T1167] [ 8110.437938][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8110.437938][ T1167] netdev_get_by_index+0x5e/0x80 [ 8110.437938][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8110.437938][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8110.437938][ T1167] ip6_route_add+0x1c/0x140 [ 8110.437938][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8110.437938][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8110.437938][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8110.437938][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8110.437938][ T1167] netlink_rcv_skb+0x130/0x360 [ 8110.437938][ T1167] netlink_unicast+0x449/0x710 [ 8110.437938][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8110.437938][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8110.437938][ T1167] ___sys_sendmsg+0xee/0x170 [ 8110.437938][ T1167] __sys_sendmsg+0xcd/0x170 [ 8110.437938][ T1167] do_syscall_64+0xc6/0x1e0 [ 8110.437938][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8110.437938][ T1167] [ 8110.440216][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8110.440216][ T1167] netdev_get_by_index+0x5e/0x80 [ 8110.440216][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8110.440216][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8110.440216][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8110.440216][ T1167] ipv6_add_addr+0x411/0x2000 [ 8110.440216][ T1167] inet6_addr_add+0x30e/0xa40 [ 8110.440216][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8110.440216][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8110.440216][ T1167] netlink_rcv_skb+0x130/0x360 [ 8110.440216][ T1167] netlink_unicast+0x449/0x710 [ 8110.440216][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8110.440216][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8110.440216][ T1167] ___sys_sendmsg+0xee/0x170 [ 8110.440216][ T1167] __sys_sendmsg+0xcd/0x170 [ 8110.440216][ T1167] do_syscall_64+0xc6/0x1e0 [ 8110.440216][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8110.440216][ T1167] [ 8110.442479][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8110.442479][ T1167] netdev_get_by_index+0x5e/0x80 [ 8110.442479][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8110.442479][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8110.442479][ T1167] ip6_route_add+0x1c/0x140 [ 8110.442479][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8110.442479][ T1167] addrconf_add_dev+0xe2/0x170 [ 8110.442479][ T1167] inet6_addr_add+0x12f/0xa40 [ 8110.442479][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8110.442479][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8110.442479][ T1167] netlink_rcv_skb+0x130/0x360 [ 8110.442479][ T1167] netlink_unicast+0x449/0x710 [ 8110.442479][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8110.442479][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8110.442479][ T1167] ___sys_sendmsg+0xee/0x170 [ 8110.442479][ T1167] __sys_sendmsg+0xcd/0x170 [ 8110.442479][ T1167] do_syscall_64+0xc6/0x1e0 [ 8110.442479][ T1167] [ 8110.444692][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8110.444692][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8110.444692][ T1167] ipv6_find_idev+0x102/0x170 [ 8110.444692][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8110.444692][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8110.444692][ T1167] netlink_rcv_skb+0x130/0x360 [ 8110.444692][ T1167] netlink_unicast+0x449/0x710 [ 8110.444692][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8110.444692][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8110.444692][ T1167] ___sys_sendmsg+0xee/0x170 [ 8110.444692][ T1167] __sys_sendmsg+0xcd/0x170 [ 8110.444692][ T1167] do_syscall_64+0xc6/0x1e0 [ 8110.444692][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8110.444692][ T1167] [ 8110.446430][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8110.446430][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8110.446430][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8110.446430][ T1167] ipv6_find_idev+0x102/0x170 [ 8110.446430][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8110.446430][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8110.446430][ T1167] netlink_rcv_skb+0x130/0x360 [ 8110.446430][ T1167] netlink_unicast+0x449/0x710 [ 8110.446430][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8110.446430][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8110.446430][ T1167] ___sys_sendmsg+0xee/0x170 [ 8110.446430][ T1167] __sys_sendmsg+0xcd/0x170 [ 8110.446430][ T1167] do_syscall_64+0xc6/0x1e0 [ 8110.446430][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8110.446430][ T1167] [ 8120.369107][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8120.369464][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8120.369464][ T10] netdev_get_by_index+0x5e/0x80 [ 8120.369464][ T10] fib6_nh_init+0x3d8/0x1580 [ 8120.369464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8120.369464][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8120.369464][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8120.369464][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8120.369464][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8120.369464][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8120.369464][ T10] addrconf_dad_begin+0x310/0x670 [ 8120.369464][ T10] addrconf_dad_work+0x10b/0xab0 [ 8120.369464][ T10] process_one_work+0x84d/0x18a0 [ 8120.369464][ T10] worker_thread+0x587/0xd30 [ 8120.369464][ T10] kthread+0x28a/0x350 [ 8120.369464][ T10] ret_from_fork+0x31/0x70 [ 8120.369464][ T10] ret_from_fork_asm+0x1a/0x30 [ 8120.369464][ T10] [ 8120.371395][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8120.371395][ T10] netdev_get_by_index+0x5e/0x80 [ 8120.371395][ T10] fib6_nh_init+0x3d8/0x1580 [ 8120.371395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8120.371395][ T10] ip6_route_add+0x1c/0x140 [ 8120.371395][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8120.371395][ T10] inet6_addr_add+0x4f8/0xa40 [ 8120.371395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8120.371395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8120.371395][ T10] netlink_rcv_skb+0x130/0x360 [ 8120.371395][ T10] netlink_unicast+0x449/0x710 [ 8120.371395][ T10] netlink_sendmsg+0x723/0xbe0 [ 8120.371395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8120.371395][ T10] ___sys_sendmsg+0xee/0x170 [ 8120.371395][ T10] __sys_sendmsg+0xcd/0x170 [ 8120.371395][ T10] do_syscall_64+0xc6/0x1e0 [ 8120.371395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8120.371395][ T10] [ 8120.373388][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8120.373388][ T10] netdev_get_by_index+0x5e/0x80 [ 8120.373388][ T10] fib6_nh_init+0x3d8/0x1580 [ 8120.373388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8120.373388][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8120.373388][ T10] ipv6_add_addr+0x411/0x2000 [ 8120.373388][ T10] inet6_addr_add+0x30e/0xa40 [ 8120.373388][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8120.373388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8120.373388][ T10] netlink_rcv_skb+0x130/0x360 [ 8120.373388][ T10] netlink_unicast+0x449/0x710 [ 8120.373388][ T10] netlink_sendmsg+0x723/0xbe0 [ 8120.373388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8120.373388][ T10] ___sys_sendmsg+0xee/0x170 [ 8120.373388][ T10] __sys_sendmsg+0xcd/0x170 [ 8120.373388][ T10] do_syscall_64+0xc6/0x1e0 [ 8120.373388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8120.373388][ T10] [ 8120.375373][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8120.375373][ T10] netdev_get_by_index+0x5e/0x80 [ 8120.375373][ T10] fib6_nh_init+0x3d8/0x1580 [ 8120.375373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8120.375373][ T10] ip6_route_add+0x1c/0x140 [ 8120.375373][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8120.375373][ T10] addrconf_add_dev+0xe2/0x170 [ 8120.375373][ T10] inet6_addr_add+0x12f/0xa40 [ 8120.375373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8120.375373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8120.375373][ T10] netlink_rcv_skb+0x130/0x360 [ 8120.375373][ T10] netlink_unicast+0x449/0x710 [ 8120.375373][ T10] netlink_sendmsg+0x723/0xbe0 [ 8120.375373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8120.375373][ T10] ___sys_sendmsg+0xee/0x170 [ 8120.375373][ T10] __sys_sendmsg+0xcd/0x170 [ 8120.375373][ T10] do_syscall_64+0xc6/0x1e0 [ 8120.375373][ T10] [ 8120.377329][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8120.377329][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8120.377329][ T10] ipv6_find_idev+0x102/0x170 [ 8120.377329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8120.377329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8120.377329][ T10] netlink_rcv_skb+0x130/0x360 [ 8120.377329][ T10] netlink_unicast+0x449/0x710 [ 8120.377329][ T10] netlink_sendmsg+0x723/0xbe0 [ 8120.377329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8120.377329][ T10] ___sys_sendmsg+0xee/0x170 [ 8120.377329][ T10] __sys_sendmsg+0xcd/0x170 [ 8120.377329][ T10] do_syscall_64+0xc6/0x1e0 [ 8120.377329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8120.377329][ T10] [ 8120.378874][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8120.378874][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8120.378874][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8120.378874][ T10] ipv6_find_idev+0x102/0x170 [ 8120.378874][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8120.378874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8120.378874][ T10] netlink_rcv_skb+0x130/0x360 [ 8120.378874][ T10] netlink_unicast+0x449/0x710 [ 8120.378874][ T10] netlink_sendmsg+0x723/0xbe0 [ 8120.378874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8120.378874][ T10] ___sys_sendmsg+0xee/0x170 [ 8120.378874][ T10] __sys_sendmsg+0xcd/0x170 [ 8120.378874][ T10] do_syscall_64+0xc6/0x1e0 [ 8120.378874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8120.378874][ T10] [ 8120.380593][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8120.380840][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8120.380840][ T10] netdev_get_by_index+0x5e/0x80 [ 8120.380840][ T10] fib6_nh_init+0x3d8/0x1580 [ 8120.380840][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8120.380840][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8120.380840][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8120.380840][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8120.380840][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8120.380840][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8120.380840][ T10] addrconf_dad_begin+0x310/0x670 [ 8120.380840][ T10] addrconf_dad_work+0x10b/0xab0 [ 8120.380840][ T10] process_one_work+0x84d/0x18a0 [ 8120.380840][ T10] worker_thread+0x587/0xd30 [ 8120.380840][ T10] kthread+0x28a/0x350 [ 8120.380840][ T10] ret_from_fork+0x31/0x70 [ 8120.380840][ T10] ret_from_fork_asm+0x1a/0x30 [ 8120.380840][ T10] [ 8120.382734][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8120.382734][ T10] netdev_get_by_index+0x5e/0x80 [ 8120.382734][ T10] fib6_nh_init+0x3d8/0x1580 [ 8120.382734][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8120.382734][ T10] ip6_route_add+0x1c/0x140 [ 8120.382734][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8120.382734][ T10] inet6_addr_add+0x4f8/0xa40 [ 8120.382734][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8120.382734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8120.382734][ T10] netlink_rcv_skb+0x130/0x360 [ 8120.382734][ T10] netlink_unicast+0x449/0x710 [ 8120.382734][ T10] netlink_sendmsg+0x723/0xbe0 [ 8120.382734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8120.382734][ T10] ___sys_sendmsg+0xee/0x170 [ 8120.382734][ T10] __sys_sendmsg+0xcd/0x170 [ 8120.382734][ T10] do_syscall_64+0xc6/0x1e0 [ 8120.382734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8120.382734][ T10] [ 8120.384722][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8120.384722][ T10] netdev_get_by_index+0x5e/0x80 [ 8120.384722][ T10] fib6_nh_init+0x3d8/0x1580 [ 8120.384722][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8120.384722][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8120.384722][ T10] ipv6_add_addr+0x411/0x2000 [ 8120.384722][ T10] inet6_addr_add+0x30e/0xa40 [ 8120.384722][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8120.384722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8120.384722][ T10] netlink_rcv_skb+0x130/0x360 [ 8120.384722][ T10] netlink_unicast+0x449/0x710 [ 8120.384722][ T10] netlink_sendmsg+0x723/0xbe0 [ 8120.384722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8120.384722][ T10] ___sys_sendmsg+0xee/0x170 [ 8120.384722][ T10] __sys_sendmsg+0xcd/0x170 [ 8120.384722][ T10] do_syscall_64+0xc6/0x1e0 [ 8120.384722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8120.384722][ T10] [ 8120.386710][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8120.386710][ T10] netdev_get_by_index+0x5e/0x80 [ 8120.386710][ T10] fib6_nh_init+0x3d8/0x1580 [ 8120.386710][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8120.386710][ T10] ip6_route_add+0x1c/0x140 [ 8120.386710][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8120.386710][ T10] addrconf_add_dev+0xe2/0x170 [ 8120.386710][ T10] inet6_addr_add+0x12f/0xa40 [ 8120.386710][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8120.386710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8120.386710][ T10] netlink_rcv_skb+0x130/0x360 [ 8120.386710][ T10] netlink_unicast+0x449/0x710 [ 8120.386710][ T10] netlink_sendmsg+0x723/0xbe0 [ 8120.386710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8120.386710][ T10] ___sys_sendmsg+0xee/0x170 [ 8120.386710][ T10] __sys_sendmsg+0xcd/0x170 [ 8120.386710][ T10] do_syscall_64+0xc6/0x1e0 [ 8120.386710][ T10] [ 8120.388661][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8120.388661][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8120.388661][ T10] ipv6_find_idev+0x102/0x170 [ 8120.388661][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8120.388661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8120.388661][ T10] netlink_rcv_skb+0x130/0x360 [ 8120.388661][ T10] netlink_unicast+0x449/0x710 [ 8120.388661][ T10] netlink_sendmsg+0x723/0xbe0 [ 8120.388661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8120.388661][ T10] ___sys_sendmsg+0xee/0x170 [ 8120.388661][ T10] __sys_sendmsg+0xcd/0x170 [ 8120.388661][ T10] do_syscall_64+0xc6/0x1e0 [ 8120.388661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8120.388661][ T10] [ 8120.390191][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8120.390191][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8120.390191][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8120.390191][ T10] ipv6_find_idev+0x102/0x170 [ 8120.390191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8120.390191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8120.390191][ T10] netlink_rcv_skb+0x130/0x360 [ 8120.390191][ T10] netlink_unicast+0x449/0x710 [ 8120.390191][ T10] netlink_sendmsg+0x723/0xbe0 [ 8120.390191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8120.390191][ T10] ___sys_sendmsg+0xee/0x170 [ 8120.390191][ T10] __sys_sendmsg+0xcd/0x170 [ 8120.390191][ T10] do_syscall_64+0xc6/0x1e0 [ 8120.390191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8120.390191][ T10] [ 8120.391865][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8120.392108][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8120.392108][ T10] netdev_get_by_index+0x5e/0x80 [ 8120.392108][ T10] fib6_nh_init+0x3d8/0x1580 [ 8120.392108][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8120.392108][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8120.392108][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8120.392108][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8120.392108][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8120.392108][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8120.392108][ T10] addrconf_dad_begin+0x310/0x670 [ 8120.392108][ T10] addrconf_dad_work+0x10b/0xab0 [ 8120.392108][ T10] process_one_work+0x84d/0x18a0 [ 8120.392108][ T10] worker_thread+0x587/0xd30 [ 8120.392108][ T10] kthread+0x28a/0x350 [ 8120.392108][ T10] ret_from_fork+0x31/0x70 [ 8120.392108][ T10] ret_from_fork_asm+0x1a/0x30 [ 8120.392108][ T10] [ 8120.394009][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8120.394009][ T10] netdev_get_by_index+0x5e/0x80 [ 8120.394009][ T10] fib6_nh_init+0x3d8/0x1580 [ 8120.394009][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8120.394009][ T10] ip6_route_add+0x1c/0x140 [ 8120.394009][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8120.394009][ T10] inet6_addr_add+0x4f8/0xa40 [ 8120.394009][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8120.394009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8120.394009][ T10] netlink_rcv_skb+0x130/0x360 [ 8120.394009][ T10] netlink_unicast+0x449/0x710 [ 8120.394009][ T10] netlink_sendmsg+0x723/0xbe0 [ 8120.394009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8120.394009][ T10] ___sys_sendmsg+0xee/0x170 [ 8120.394009][ T10] __sys_sendmsg+0xcd/0x170 [ 8120.394009][ T10] do_syscall_64+0xc6/0x1e0 [ 8120.394009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8120.394009][ T10] [ 8120.396230][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8120.396230][ T10] netdev_get_by_index+0x5e/0x80 [ 8120.396230][ T10] fib6_nh_init+0x3d8/0x1580 [ 8120.396230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8120.396230][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8120.396230][ T10] ipv6_add_addr+0x411/0x2000 [ 8120.396230][ T10] inet6_addr_add+0x30e/0xa40 [ 8120.396230][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8120.396230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8120.396230][ T10] netlink_rcv_skb+0x130/0x360 [ 8120.396230][ T10] netlink_unicast+0x449/0x710 [ 8120.396230][ T10] netlink_sendmsg+0x723/0xbe0 [ 8120.396230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8120.396230][ T10] ___sys_sendmsg+0xee/0x170 [ 8120.396230][ T10] __sys_sendmsg+0xcd/0x170 [ 8120.396230][ T10] do_syscall_64+0xc6/0x1e0 [ 8120.396230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8120.396230][ T10] [ 8120.398388][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8120.398388][ T10] netdev_get_by_index+0x5e/0x80 [ 8120.398388][ T10] fib6_nh_init+0x3d8/0x1580 [ 8120.398388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8120.398388][ T10] ip6_route_add+0x1c/0x140 [ 8120.398388][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8120.398388][ T10] addrconf_add_dev+0xe2/0x170 [ 8120.398388][ T10] inet6_addr_add+0x12f/0xa40 [ 8120.398388][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8120.398388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8120.398388][ T10] netlink_rcv_skb+0x130/0x360 [ 8120.398388][ T10] netlink_unicast+0x449/0x710 [ 8120.398388][ T10] netlink_sendmsg+0x723/0xbe0 [ 8120.398388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8120.398388][ T10] ___sys_sendmsg+0xee/0x170 [ 8120.398388][ T10] __sys_sendmsg+0xcd/0x170 [ 8120.398388][ T10] do_syscall_64+0xc6/0x1e0 [ 8120.398388][ T10] [ 8120.400594][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8120.400594][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8120.400594][ T10] ipv6_find_idev+0x102/0x170 [ 8120.400594][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8120.400594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8120.400594][ T10] netlink_rcv_skb+0x130/0x360 [ 8120.400594][ T10] netlink_unicast+0x449/0x710 [ 8120.400594][ T10] netlink_sendmsg+0x723/0xbe0 [ 8120.400594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8120.400594][ T10] ___sys_sendmsg+0xee/0x170 [ 8120.400594][ T10] __sys_sendmsg+0xcd/0x170 [ 8120.400594][ T10] do_syscall_64+0xc6/0x1e0 [ 8120.400594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8120.400594][ T10] [ 8120.402301][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8120.402301][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8120.402301][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8120.402301][ T10] ipv6_find_idev+0x102/0x170 [ 8120.402301][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8120.402301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8120.402301][ T10] netlink_rcv_skb+0x130/0x360 [ 8120.402301][ T10] netlink_unicast+0x449/0x710 [ 8120.402301][ T10] netlink_sendmsg+0x723/0xbe0 [ 8120.402301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8120.402301][ T10] ___sys_sendmsg+0xee/0x170 [ 8120.402301][ T10] __sys_sendmsg+0xcd/0x170 [ 8120.402301][ T10] do_syscall_64+0xc6/0x1e0 [ 8120.402301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8120.402301][ T10] [ 8120.404218][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8120.404525][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8120.404525][ T10] netdev_get_by_index+0x5e/0x80 [ 8120.404525][ T10] fib6_nh_init+0x3d8/0x1580 [ 8120.404525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8120.404525][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8120.404525][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8120.404525][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8120.404525][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8120.404525][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8120.404525][ T10] addrconf_dad_begin+0x310/0x670 [ 8120.404525][ T10] addrconf_dad_work+0x10b/0xab0 [ 8120.404525][ T10] process_one_work+0x84d/0x18a0 [ 8120.404525][ T10] worker_thread+0x587/0xd30 [ 8120.404525][ T10] kthread+0x28a/0x350 [ 8120.404525][ T10] ret_from_fork+0x31/0x70 [ 8120.404525][ T10] ret_from_fork_asm+0x1a/0x30 [ 8120.404525][ T10] [ 8120.406541][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8120.406541][ T10] netdev_get_by_index+0x5e/0x80 [ 8120.406541][ T10] fib6_nh_init+0x3d8/0x1580 [ 8120.406541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8120.406541][ T10] ip6_route_add+0x1c/0x140 [ 8120.406541][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8120.406541][ T10] inet6_addr_add+0x4f8/0xa40 [ 8120.406541][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8120.406541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8120.406541][ T10] netlink_rcv_skb+0x130/0x360 [ 8120.406541][ T10] netlink_unicast+0x449/0x710 [ 8120.406541][ T10] netlink_sendmsg+0x723/0xbe0 [ 8120.406541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8120.406541][ T10] ___sys_sendmsg+0xee/0x170 [ 8120.406541][ T10] __sys_sendmsg+0xcd/0x170 [ 8120.406541][ T10] do_syscall_64+0xc6/0x1e0 [ 8120.406541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8120.406541][ T10] [ 8120.408859][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8120.408859][ T10] netdev_get_by_index+0x5e/0x80 [ 8120.408859][ T10] fib6_nh_init+0x3d8/0x1580 [ 8120.408859][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8120.408859][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8120.408859][ T10] ipv6_add_addr+0x411/0x2000 [ 8120.408859][ T10] inet6_addr_add+0x30e/0xa40 [ 8120.408859][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8120.408859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8120.408859][ T10] netlink_rcv_skb+0x130/0x360 [ 8120.408859][ T10] netlink_unicast+0x449/0x710 [ 8120.408859][ T10] netlink_sendmsg+0x723/0xbe0 [ 8120.408859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8120.408859][ T10] ___sys_sendmsg+0xee/0x170 [ 8120.408859][ T10] __sys_sendmsg+0xcd/0x170 [ 8120.408859][ T10] do_syscall_64+0xc6/0x1e0 [ 8120.408859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8120.408859][ T10] [ 8120.411079][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8120.411079][ T10] netdev_get_by_index+0x5e/0x80 [ 8120.411079][ T10] fib6_nh_init+0x3d8/0x1580 [ 8120.411079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8120.411079][ T10] ip6_route_add+0x1c/0x140 [ 8120.411079][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8120.411079][ T10] addrconf_add_dev+0xe2/0x170 [ 8120.411079][ T10] inet6_addr_add+0x12f/0xa40 [ 8120.411079][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8120.411079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8120.411079][ T10] netlink_rcv_skb+0x130/0x360 [ 8120.411079][ T10] netlink_unicast+0x449/0x710 [ 8120.411079][ T10] netlink_sendmsg+0x723/0xbe0 [ 8120.411079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8120.411079][ T10] ___sys_sendmsg+0xee/0x170 [ 8120.411079][ T10] __sys_sendmsg+0xcd/0x170 [ 8120.411079][ T10] do_syscall_64+0xc6/0x1e0 [ 8120.411079][ T10] [ 8120.413314][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8120.413314][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8120.413314][ T10] ipv6_find_idev+0x102/0x170 [ 8120.413314][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8120.413314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8120.413314][ T10] netlink_rcv_skb+0x130/0x360 [ 8120.413314][ T10] netlink_unicast+0x449/0x710 [ 8120.413314][ T10] netlink_sendmsg+0x723/0xbe0 [ 8120.413314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8120.413314][ T10] ___sys_sendmsg+0xee/0x170 [ 8120.413314][ T10] __sys_sendmsg+0xcd/0x170 [ 8120.413314][ T10] do_syscall_64+0xc6/0x1e0 [ 8120.413314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8120.413314][ T10] [ 8120.415045][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8120.415045][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8120.415045][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8120.415045][ T10] ipv6_find_idev+0x102/0x170 [ 8120.415045][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8120.415045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8120.415045][ T10] netlink_rcv_skb+0x130/0x360 [ 8120.415045][ T10] netlink_unicast+0x449/0x710 [ 8120.415045][ T10] netlink_sendmsg+0x723/0xbe0 [ 8120.415045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8120.415045][ T10] ___sys_sendmsg+0xee/0x170 [ 8120.415045][ T10] __sys_sendmsg+0xcd/0x170 [ 8120.415045][ T10] do_syscall_64+0xc6/0x1e0 [ 8120.415045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8120.415045][ T10] [ 8120.689112][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8120.689559][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8120.689559][ T1167] dst_init+0x84/0x4a0 [ 8120.689559][ T1167] dst_alloc+0x97/0x150 [ 8120.689559][ T1167] ip6_dst_alloc+0x23/0x90 [ 8120.689559][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8120.689559][ T1167] ip6_pol_route+0x56f/0x840 [ 8120.689559][ T1167] fib6_rule_lookup+0x334/0x630 [ 8120.689559][ T1167] ip6_route_output_flags+0x259/0x480 [ 8120.689559][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8120.689559][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8120.689559][ T1167] netlink_rcv_skb+0x130/0x360 [ 8120.689559][ T1167] netlink_unicast+0x449/0x710 [ 8120.689559][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8120.689559][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8120.689559][ T1167] ___sys_sendmsg+0xee/0x170 [ 8120.689559][ T1167] __sys_sendmsg+0xcd/0x170 [ 8120.689559][ T1167] do_syscall_64+0xc6/0x1e0 [ 8120.689559][ T1167] [ 8120.691774][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8120.691774][ T1167] netdev_get_by_index+0x5e/0x80 [ 8120.691774][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8120.691774][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8120.691774][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8120.691774][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8120.691774][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8120.691774][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8120.691774][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8120.691774][ T1167] addrconf_dad_begin+0x310/0x670 [ 8120.691774][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8120.691774][ T1167] process_one_work+0x84d/0x18a0 [ 8120.691774][ T1167] worker_thread+0x587/0xd30 [ 8120.691774][ T1167] kthread+0x28a/0x350 [ 8120.691774][ T1167] ret_from_fork+0x31/0x70 [ 8120.691774][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8120.691774][ T1167] [ 8120.693929][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8120.693929][ T1167] netdev_get_by_index+0x5e/0x80 [ 8120.693929][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8120.693929][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8120.693929][ T1167] ip6_route_add+0x1c/0x140 [ 8120.693929][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8120.693929][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8120.693929][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8120.693929][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8120.693929][ T1167] netlink_rcv_skb+0x130/0x360 [ 8120.693929][ T1167] netlink_unicast+0x449/0x710 [ 8120.693929][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8120.693929][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8120.693929][ T1167] ___sys_sendmsg+0xee/0x170 [ 8120.693929][ T1167] __sys_sendmsg+0xcd/0x170 [ 8120.693929][ T1167] do_syscall_64+0xc6/0x1e0 [ 8120.693929][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8120.693929][ T1167] [ 8120.696190][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8120.696190][ T1167] netdev_get_by_index+0x5e/0x80 [ 8120.696190][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8120.696190][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8120.696190][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8120.696190][ T1167] ipv6_add_addr+0x411/0x2000 [ 8120.696190][ T1167] inet6_addr_add+0x30e/0xa40 [ 8120.696190][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8120.696190][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8120.696190][ T1167] netlink_rcv_skb+0x130/0x360 [ 8120.696190][ T1167] netlink_unicast+0x449/0x710 [ 8120.696190][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8120.696190][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8120.696190][ T1167] ___sys_sendmsg+0xee/0x170 [ 8120.696190][ T1167] __sys_sendmsg+0xcd/0x170 [ 8120.696190][ T1167] do_syscall_64+0xc6/0x1e0 [ 8120.696190][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8120.696190][ T1167] [ 8120.698445][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8120.698445][ T1167] netdev_get_by_index+0x5e/0x80 [ 8120.698445][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8120.698445][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8120.698445][ T1167] ip6_route_add+0x1c/0x140 [ 8120.698445][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8120.698445][ T1167] addrconf_add_dev+0xe2/0x170 [ 8120.698445][ T1167] inet6_addr_add+0x12f/0xa40 [ 8120.698445][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8120.698445][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8120.698445][ T1167] netlink_rcv_skb+0x130/0x360 [ 8120.698445][ T1167] netlink_unicast+0x449/0x710 [ 8120.698445][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8120.698445][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8120.698445][ T1167] ___sys_sendmsg+0xee/0x170 [ 8120.698445][ T1167] __sys_sendmsg+0xcd/0x170 [ 8120.698445][ T1167] do_syscall_64+0xc6/0x1e0 [ 8120.698445][ T1167] [ 8120.700673][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8120.700673][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8120.700673][ T1167] ipv6_find_idev+0x102/0x170 [ 8120.700673][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8120.700673][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8120.700673][ T1167] netlink_rcv_skb+0x130/0x360 [ 8120.700673][ T1167] netlink_unicast+0x449/0x710 [ 8120.700673][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8120.700673][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8120.700673][ T1167] ___sys_sendmsg+0xee/0x170 [ 8120.700673][ T1167] __sys_sendmsg+0xcd/0x170 [ 8120.700673][ T1167] do_syscall_64+0xc6/0x1e0 [ 8120.700673][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8120.700673][ T1167] [ 8120.702410][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8120.702410][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8120.702410][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8120.702410][ T1167] ipv6_find_idev+0x102/0x170 [ 8120.702410][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8120.702410][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8120.702410][ T1167] netlink_rcv_skb+0x130/0x360 [ 8120.702410][ T1167] netlink_unicast+0x449/0x710 [ 8120.702410][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8120.702410][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8120.702410][ T1167] ___sys_sendmsg+0xee/0x170 [ 8120.702410][ T1167] __sys_sendmsg+0xcd/0x170 [ 8120.702410][ T1167] do_syscall_64+0xc6/0x1e0 [ 8120.702410][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8120.702410][ T1167] [ 8130.673112][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8130.673476][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8130.673476][ T10] netdev_get_by_index+0x5e/0x80 [ 8130.673476][ T10] fib6_nh_init+0x3d8/0x1580 [ 8130.673476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8130.673476][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8130.673476][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8130.673476][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8130.673476][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8130.673476][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8130.673476][ T10] addrconf_dad_begin+0x310/0x670 [ 8130.673476][ T10] addrconf_dad_work+0x10b/0xab0 [ 8130.673476][ T10] process_one_work+0x84d/0x18a0 [ 8130.673476][ T10] worker_thread+0x587/0xd30 [ 8130.673476][ T10] kthread+0x28a/0x350 [ 8130.673476][ T10] ret_from_fork+0x31/0x70 [ 8130.673476][ T10] ret_from_fork_asm+0x1a/0x30 [ 8130.673476][ T10] [ 8130.675408][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8130.675408][ T10] netdev_get_by_index+0x5e/0x80 [ 8130.675408][ T10] fib6_nh_init+0x3d8/0x1580 [ 8130.675408][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8130.675408][ T10] ip6_route_add+0x1c/0x140 [ 8130.675408][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8130.675408][ T10] inet6_addr_add+0x4f8/0xa40 [ 8130.675408][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8130.675408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8130.675408][ T10] netlink_rcv_skb+0x130/0x360 [ 8130.675408][ T10] netlink_unicast+0x449/0x710 [ 8130.675408][ T10] netlink_sendmsg+0x723/0xbe0 [ 8130.675408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8130.675408][ T10] ___sys_sendmsg+0xee/0x170 [ 8130.675408][ T10] __sys_sendmsg+0xcd/0x170 [ 8130.675408][ T10] do_syscall_64+0xc6/0x1e0 [ 8130.675408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8130.675408][ T10] [ 8130.677393][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8130.677393][ T10] netdev_get_by_index+0x5e/0x80 [ 8130.677393][ T10] fib6_nh_init+0x3d8/0x1580 [ 8130.677393][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8130.677393][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8130.677393][ T10] ipv6_add_addr+0x411/0x2000 [ 8130.677393][ T10] inet6_addr_add+0x30e/0xa40 [ 8130.677393][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8130.677393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8130.677393][ T10] netlink_rcv_skb+0x130/0x360 [ 8130.677393][ T10] netlink_unicast+0x449/0x710 [ 8130.677393][ T10] netlink_sendmsg+0x723/0xbe0 [ 8130.677393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8130.677393][ T10] ___sys_sendmsg+0xee/0x170 [ 8130.677393][ T10] __sys_sendmsg+0xcd/0x170 [ 8130.677393][ T10] do_syscall_64+0xc6/0x1e0 [ 8130.677393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8130.677393][ T10] [ 8130.679391][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8130.679391][ T10] netdev_get_by_index+0x5e/0x80 [ 8130.679391][ T10] fib6_nh_init+0x3d8/0x1580 [ 8130.679391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8130.679391][ T10] ip6_route_add+0x1c/0x140 [ 8130.679391][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8130.679391][ T10] addrconf_add_dev+0xe2/0x170 [ 8130.679391][ T10] inet6_addr_add+0x12f/0xa40 [ 8130.679391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8130.679391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8130.679391][ T10] netlink_rcv_skb+0x130/0x360 [ 8130.679391][ T10] netlink_unicast+0x449/0x710 [ 8130.679391][ T10] netlink_sendmsg+0x723/0xbe0 [ 8130.679391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8130.679391][ T10] ___sys_sendmsg+0xee/0x170 [ 8130.679391][ T10] __sys_sendmsg+0xcd/0x170 [ 8130.679391][ T10] do_syscall_64+0xc6/0x1e0 [ 8130.679391][ T10] [ 8130.681357][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8130.681357][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8130.681357][ T10] ipv6_find_idev+0x102/0x170 [ 8130.681357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8130.681357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8130.681357][ T10] netlink_rcv_skb+0x130/0x360 [ 8130.681357][ T10] netlink_unicast+0x449/0x710 [ 8130.681357][ T10] netlink_sendmsg+0x723/0xbe0 [ 8130.681357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8130.681357][ T10] ___sys_sendmsg+0xee/0x170 [ 8130.681357][ T10] __sys_sendmsg+0xcd/0x170 [ 8130.681357][ T10] do_syscall_64+0xc6/0x1e0 [ 8130.681357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8130.681357][ T10] [ 8130.682890][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8130.682890][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8130.682890][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8130.682890][ T10] ipv6_find_idev+0x102/0x170 [ 8130.682890][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8130.682890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8130.682890][ T10] netlink_rcv_skb+0x130/0x360 [ 8130.682890][ T10] netlink_unicast+0x449/0x710 [ 8130.682890][ T10] netlink_sendmsg+0x723/0xbe0 [ 8130.682890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8130.682890][ T10] ___sys_sendmsg+0xee/0x170 [ 8130.682890][ T10] __sys_sendmsg+0xcd/0x170 [ 8130.682890][ T10] do_syscall_64+0xc6/0x1e0 [ 8130.682890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8130.682890][ T10] [ 8130.684581][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8130.684825][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8130.684825][ T10] netdev_get_by_index+0x5e/0x80 [ 8130.684825][ T10] fib6_nh_init+0x3d8/0x1580 [ 8130.684825][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8130.684825][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8130.684825][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8130.684825][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8130.684825][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8130.684825][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8130.684825][ T10] addrconf_dad_begin+0x310/0x670 [ 8130.684825][ T10] addrconf_dad_work+0x10b/0xab0 [ 8130.684825][ T10] process_one_work+0x84d/0x18a0 [ 8130.684825][ T10] worker_thread+0x587/0xd30 [ 8130.684825][ T10] kthread+0x28a/0x350 [ 8130.684825][ T10] ret_from_fork+0x31/0x70 [ 8130.684825][ T10] ret_from_fork_asm+0x1a/0x30 [ 8130.684825][ T10] [ 8130.686740][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8130.686740][ T10] netdev_get_by_index+0x5e/0x80 [ 8130.686740][ T10] fib6_nh_init+0x3d8/0x1580 [ 8130.686740][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8130.686740][ T10] ip6_route_add+0x1c/0x140 [ 8130.686740][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8130.686740][ T10] inet6_addr_add+0x4f8/0xa40 [ 8130.686740][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8130.686740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8130.686740][ T10] netlink_rcv_skb+0x130/0x360 [ 8130.686740][ T10] netlink_unicast+0x449/0x710 [ 8130.686740][ T10] netlink_sendmsg+0x723/0xbe0 [ 8130.686740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8130.686740][ T10] ___sys_sendmsg+0xee/0x170 [ 8130.686740][ T10] __sys_sendmsg+0xcd/0x170 [ 8130.686740][ T10] do_syscall_64+0xc6/0x1e0 [ 8130.686740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8130.686740][ T10] [ 8130.688728][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8130.688728][ T10] netdev_get_by_index+0x5e/0x80 [ 8130.688728][ T10] fib6_nh_init+0x3d8/0x1580 [ 8130.688728][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8130.688728][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8130.688728][ T10] ipv6_add_addr+0x411/0x2000 [ 8130.688728][ T10] inet6_addr_add+0x30e/0xa40 [ 8130.688728][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8130.688728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8130.688728][ T10] netlink_rcv_skb+0x130/0x360 [ 8130.688728][ T10] netlink_unicast+0x449/0x710 [ 8130.688728][ T10] netlink_sendmsg+0x723/0xbe0 [ 8130.688728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8130.688728][ T10] ___sys_sendmsg+0xee/0x170 [ 8130.688728][ T10] __sys_sendmsg+0xcd/0x170 [ 8130.688728][ T10] do_syscall_64+0xc6/0x1e0 [ 8130.688728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8130.688728][ T10] [ 8130.690734][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8130.690734][ T10] netdev_get_by_index+0x5e/0x80 [ 8130.690734][ T10] fib6_nh_init+0x3d8/0x1580 [ 8130.690734][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8130.690734][ T10] ip6_route_add+0x1c/0x140 [ 8130.690734][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8130.690734][ T10] addrconf_add_dev+0xe2/0x170 [ 8130.690734][ T10] inet6_addr_add+0x12f/0xa40 [ 8130.690734][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8130.690734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8130.690734][ T10] netlink_rcv_skb+0x130/0x360 [ 8130.690734][ T10] netlink_unicast+0x449/0x710 [ 8130.690734][ T10] netlink_sendmsg+0x723/0xbe0 [ 8130.690734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8130.690734][ T10] ___sys_sendmsg+0xee/0x170 [ 8130.690734][ T10] __sys_sendmsg+0xcd/0x170 [ 8130.690734][ T10] do_syscall_64+0xc6/0x1e0 [ 8130.690734][ T10] [ 8130.692678][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8130.692678][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8130.692678][ T10] ipv6_find_idev+0x102/0x170 [ 8130.692678][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8130.692678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8130.692678][ T10] netlink_rcv_skb+0x130/0x360 [ 8130.692678][ T10] netlink_unicast+0x449/0x710 [ 8130.692678][ T10] netlink_sendmsg+0x723/0xbe0 [ 8130.692678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8130.692678][ T10] ___sys_sendmsg+0xee/0x170 [ 8130.692678][ T10] __sys_sendmsg+0xcd/0x170 [ 8130.692678][ T10] do_syscall_64+0xc6/0x1e0 [ 8130.692678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8130.692678][ T10] [ 8130.694205][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8130.694205][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8130.694205][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8130.694205][ T10] ipv6_find_idev+0x102/0x170 [ 8130.694205][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8130.694205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8130.694205][ T10] netlink_rcv_skb+0x130/0x360 [ 8130.694205][ T10] netlink_unicast+0x449/0x710 [ 8130.694205][ T10] netlink_sendmsg+0x723/0xbe0 [ 8130.694205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8130.694205][ T10] ___sys_sendmsg+0xee/0x170 [ 8130.694205][ T10] __sys_sendmsg+0xcd/0x170 [ 8130.694205][ T10] do_syscall_64+0xc6/0x1e0 [ 8130.694205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8130.694205][ T10] [ 8130.695878][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8130.696121][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8130.696121][ T10] netdev_get_by_index+0x5e/0x80 [ 8130.696121][ T10] fib6_nh_init+0x3d8/0x1580 [ 8130.696121][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8130.696121][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8130.696121][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8130.696121][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8130.696121][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8130.696121][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8130.696121][ T10] addrconf_dad_begin+0x310/0x670 [ 8130.696121][ T10] addrconf_dad_work+0x10b/0xab0 [ 8130.696121][ T10] process_one_work+0x84d/0x18a0 [ 8130.696121][ T10] worker_thread+0x587/0xd30 [ 8130.696121][ T10] kthread+0x28a/0x350 [ 8130.696121][ T10] ret_from_fork+0x31/0x70 [ 8130.696121][ T10] ret_from_fork_asm+0x1a/0x30 [ 8130.696121][ T10] [ 8130.698018][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8130.698018][ T10] netdev_get_by_index+0x5e/0x80 [ 8130.698018][ T10] fib6_nh_init+0x3d8/0x1580 [ 8130.698018][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8130.698018][ T10] ip6_route_add+0x1c/0x140 [ 8130.698018][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8130.698018][ T10] inet6_addr_add+0x4f8/0xa40 [ 8130.698018][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8130.698018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8130.698018][ T10] netlink_rcv_skb+0x130/0x360 [ 8130.698018][ T10] netlink_unicast+0x449/0x710 [ 8130.698018][ T10] netlink_sendmsg+0x723/0xbe0 [ 8130.698018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8130.698018][ T10] ___sys_sendmsg+0xee/0x170 [ 8130.698018][ T10] __sys_sendmsg+0xcd/0x170 [ 8130.698018][ T10] do_syscall_64+0xc6/0x1e0 [ 8130.698018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8130.698018][ T10] [ 8130.700251][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8130.700251][ T10] netdev_get_by_index+0x5e/0x80 [ 8130.700251][ T10] fib6_nh_init+0x3d8/0x1580 [ 8130.700251][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8130.700251][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8130.700251][ T10] ipv6_add_addr+0x411/0x2000 [ 8130.700251][ T10] inet6_addr_add+0x30e/0xa40 [ 8130.700251][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8130.700251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8130.700251][ T10] netlink_rcv_skb+0x130/0x360 [ 8130.700251][ T10] netlink_unicast+0x449/0x710 [ 8130.700251][ T10] netlink_sendmsg+0x723/0xbe0 [ 8130.700251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8130.700251][ T10] ___sys_sendmsg+0xee/0x170 [ 8130.700251][ T10] __sys_sendmsg+0xcd/0x170 [ 8130.700251][ T10] do_syscall_64+0xc6/0x1e0 [ 8130.700251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8130.700251][ T10] [ 8130.702405][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8130.702405][ T10] netdev_get_by_index+0x5e/0x80 [ 8130.702405][ T10] fib6_nh_init+0x3d8/0x1580 [ 8130.702405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8130.702405][ T10] ip6_route_add+0x1c/0x140 [ 8130.702405][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8130.702405][ T10] addrconf_add_dev+0xe2/0x170 [ 8130.702405][ T10] inet6_addr_add+0x12f/0xa40 [ 8130.702405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8130.702405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8130.702405][ T10] netlink_rcv_skb+0x130/0x360 [ 8130.702405][ T10] netlink_unicast+0x449/0x710 [ 8130.702405][ T10] netlink_sendmsg+0x723/0xbe0 [ 8130.702405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8130.702405][ T10] ___sys_sendmsg+0xee/0x170 [ 8130.702405][ T10] __sys_sendmsg+0xcd/0x170 [ 8130.702405][ T10] do_syscall_64+0xc6/0x1e0 [ 8130.702405][ T10] [ 8130.704586][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8130.704586][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8130.704586][ T10] ipv6_find_idev+0x102/0x170 [ 8130.704586][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8130.704586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8130.704586][ T10] netlink_rcv_skb+0x130/0x360 [ 8130.704586][ T10] netlink_unicast+0x449/0x710 [ 8130.704586][ T10] netlink_sendmsg+0x723/0xbe0 [ 8130.704586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8130.704586][ T10] ___sys_sendmsg+0xee/0x170 [ 8130.704586][ T10] __sys_sendmsg+0xcd/0x170 [ 8130.704586][ T10] do_syscall_64+0xc6/0x1e0 [ 8130.704586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8130.704586][ T10] [ 8130.706352][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8130.706352][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8130.706352][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8130.706352][ T10] ipv6_find_idev+0x102/0x170 [ 8130.706352][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8130.706352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8130.706352][ T10] netlink_rcv_skb+0x130/0x360 [ 8130.706352][ T10] netlink_unicast+0x449/0x710 [ 8130.706352][ T10] netlink_sendmsg+0x723/0xbe0 [ 8130.706352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8130.706352][ T10] ___sys_sendmsg+0xee/0x170 [ 8130.706352][ T10] __sys_sendmsg+0xcd/0x170 [ 8130.706352][ T10] do_syscall_64+0xc6/0x1e0 [ 8130.706352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8130.706352][ T10] [ 8130.708200][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8130.708499][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8130.708499][ T10] netdev_get_by_index+0x5e/0x80 [ 8130.708499][ T10] fib6_nh_init+0x3d8/0x1580 [ 8130.708499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8130.708499][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8130.708499][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8130.708499][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8130.708499][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8130.708499][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8130.708499][ T10] addrconf_dad_begin+0x310/0x670 [ 8130.708499][ T10] addrconf_dad_work+0x10b/0xab0 [ 8130.708499][ T10] process_one_work+0x84d/0x18a0 [ 8130.708499][ T10] worker_thread+0x587/0xd30 [ 8130.708499][ T10] kthread+0x28a/0x350 [ 8130.708499][ T10] ret_from_fork+0x31/0x70 [ 8130.708499][ T10] ret_from_fork_asm+0x1a/0x30 [ 8130.708499][ T10] [ 8130.710525][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8130.710525][ T10] netdev_get_by_index+0x5e/0x80 [ 8130.710525][ T10] fib6_nh_init+0x3d8/0x1580 [ 8130.710525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8130.710525][ T10] ip6_route_add+0x1c/0x140 [ 8130.710525][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8130.710525][ T10] inet6_addr_add+0x4f8/0xa40 [ 8130.710525][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8130.710525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8130.710525][ T10] netlink_rcv_skb+0x130/0x360 [ 8130.710525][ T10] netlink_unicast+0x449/0x710 [ 8130.710525][ T10] netlink_sendmsg+0x723/0xbe0 [ 8130.710525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8130.710525][ T10] ___sys_sendmsg+0xee/0x170 [ 8130.710525][ T10] __sys_sendmsg+0xcd/0x170 [ 8130.710525][ T10] do_syscall_64+0xc6/0x1e0 [ 8130.710525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8130.710525][ T10] [ 8130.712745][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8130.712745][ T10] netdev_get_by_index+0x5e/0x80 [ 8130.712745][ T10] fib6_nh_init+0x3d8/0x1580 [ 8130.712745][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8130.712745][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8130.712745][ T10] ipv6_add_addr+0x411/0x2000 [ 8130.712745][ T10] inet6_addr_add+0x30e/0xa40 [ 8130.712745][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8130.712745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8130.712745][ T10] netlink_rcv_skb+0x130/0x360 [ 8130.712745][ T10] netlink_unicast+0x449/0x710 [ 8130.712745][ T10] netlink_sendmsg+0x723/0xbe0 [ 8130.712745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8130.712745][ T10] ___sys_sendmsg+0xee/0x170 [ 8130.712745][ T10] __sys_sendmsg+0xcd/0x170 [ 8130.712745][ T10] do_syscall_64+0xc6/0x1e0 [ 8130.712745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8130.712745][ T10] [ 8130.715031][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8130.715031][ T10] netdev_get_by_index+0x5e/0x80 [ 8130.715031][ T10] fib6_nh_init+0x3d8/0x1580 [ 8130.715031][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8130.715031][ T10] ip6_route_add+0x1c/0x140 [ 8130.715031][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8130.715031][ T10] addrconf_add_dev+0xe2/0x170 [ 8130.715031][ T10] inet6_addr_add+0x12f/0xa40 [ 8130.715031][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8130.715031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8130.715031][ T10] netlink_rcv_skb+0x130/0x360 [ 8130.715031][ T10] netlink_unicast+0x449/0x710 [ 8130.715031][ T10] netlink_sendmsg+0x723/0xbe0 [ 8130.715031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8130.715031][ T10] ___sys_sendmsg+0xee/0x170 [ 8130.715031][ T10] __sys_sendmsg+0xcd/0x170 [ 8130.715031][ T10] do_syscall_64+0xc6/0x1e0 [ 8130.715031][ T10] [ 8130.717222][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8130.717222][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8130.717222][ T10] ipv6_find_idev+0x102/0x170 [ 8130.717222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8130.717222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8130.717222][ T10] netlink_rcv_skb+0x130/0x360 [ 8130.717222][ T10] netlink_unicast+0x449/0x710 [ 8130.717222][ T10] netlink_sendmsg+0x723/0xbe0 [ 8130.717222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8130.717222][ T10] ___sys_sendmsg+0xee/0x170 [ 8130.717222][ T10] __sys_sendmsg+0xcd/0x170 [ 8130.717222][ T10] do_syscall_64+0xc6/0x1e0 [ 8130.717222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8130.717222][ T10] [ 8130.718930][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8130.718930][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8130.718930][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8130.718930][ T10] ipv6_find_idev+0x102/0x170 [ 8130.718930][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8130.718930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8130.718930][ T10] netlink_rcv_skb+0x130/0x360 [ 8130.718930][ T10] netlink_unicast+0x449/0x710 [ 8130.718930][ T10] netlink_sendmsg+0x723/0xbe0 [ 8130.718930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8130.718930][ T10] ___sys_sendmsg+0xee/0x170 [ 8130.718930][ T10] __sys_sendmsg+0xcd/0x170 [ 8130.718930][ T10] do_syscall_64+0xc6/0x1e0 [ 8130.718930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8130.718930][ T10] [ 8130.945188][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8130.945619][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8130.945619][ T1167] dst_init+0x84/0x4a0 [ 8130.945619][ T1167] dst_alloc+0x97/0x150 [ 8130.945619][ T1167] ip6_dst_alloc+0x23/0x90 [ 8130.945619][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8130.945619][ T1167] ip6_pol_route+0x56f/0x840 [ 8130.945619][ T1167] fib6_rule_lookup+0x334/0x630 [ 8130.945619][ T1167] ip6_route_output_flags+0x259/0x480 [ 8130.945619][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8130.945619][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8130.945619][ T1167] netlink_rcv_skb+0x130/0x360 [ 8130.945619][ T1167] netlink_unicast+0x449/0x710 [ 8130.945619][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8130.945619][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8130.945619][ T1167] ___sys_sendmsg+0xee/0x170 [ 8130.945619][ T1167] __sys_sendmsg+0xcd/0x170 [ 8130.945619][ T1167] do_syscall_64+0xc6/0x1e0 [ 8130.945619][ T1167] [ 8130.947838][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8130.947838][ T1167] netdev_get_by_index+0x5e/0x80 [ 8130.947838][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8130.947838][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8130.947838][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8130.947838][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8130.947838][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8130.947838][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8130.947838][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8130.947838][ T1167] addrconf_dad_begin+0x310/0x670 [ 8130.947838][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8130.947838][ T1167] process_one_work+0x84d/0x18a0 [ 8130.947838][ T1167] worker_thread+0x587/0xd30 [ 8130.947838][ T1167] kthread+0x28a/0x350 [ 8130.947838][ T1167] ret_from_fork+0x31/0x70 [ 8130.947838][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8130.947838][ T1167] [ 8130.950025][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8130.950025][ T1167] netdev_get_by_index+0x5e/0x80 [ 8130.950025][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8130.950025][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8130.950025][ T1167] ip6_route_add+0x1c/0x140 [ 8130.950025][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8130.950025][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8130.950025][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8130.950025][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8130.950025][ T1167] netlink_rcv_skb+0x130/0x360 [ 8130.950025][ T1167] netlink_unicast+0x449/0x710 [ 8130.950025][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8130.950025][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8130.950025][ T1167] ___sys_sendmsg+0xee/0x170 [ 8130.950025][ T1167] __sys_sendmsg+0xcd/0x170 [ 8130.950025][ T1167] do_syscall_64+0xc6/0x1e0 [ 8130.950025][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8130.950025][ T1167] [ 8130.952286][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8130.952286][ T1167] netdev_get_by_index+0x5e/0x80 [ 8130.952286][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8130.952286][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8130.952286][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8130.952286][ T1167] ipv6_add_addr+0x411/0x2000 [ 8130.952286][ T1167] inet6_addr_add+0x30e/0xa40 [ 8130.952286][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8130.952286][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8130.952286][ T1167] netlink_rcv_skb+0x130/0x360 [ 8130.952286][ T1167] netlink_unicast+0x449/0x710 [ 8130.952286][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8130.952286][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8130.952286][ T1167] ___sys_sendmsg+0xee/0x170 [ 8130.952286][ T1167] __sys_sendmsg+0xcd/0x170 [ 8130.952286][ T1167] do_syscall_64+0xc6/0x1e0 [ 8130.952286][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8130.952286][ T1167] [ 8130.954551][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8130.954551][ T1167] netdev_get_by_index+0x5e/0x80 [ 8130.954551][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8130.954551][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8130.954551][ T1167] ip6_route_add+0x1c/0x140 [ 8130.954551][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8130.954551][ T1167] addrconf_add_dev+0xe2/0x170 [ 8130.954551][ T1167] inet6_addr_add+0x12f/0xa40 [ 8130.954551][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8130.954551][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8130.954551][ T1167] netlink_rcv_skb+0x130/0x360 [ 8130.954551][ T1167] netlink_unicast+0x449/0x710 [ 8130.954551][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8130.954551][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8130.954551][ T1167] ___sys_sendmsg+0xee/0x170 [ 8130.954551][ T1167] __sys_sendmsg+0xcd/0x170 [ 8130.954551][ T1167] do_syscall_64+0xc6/0x1e0 [ 8130.954551][ T1167] [ 8130.956761][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8130.956761][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8130.956761][ T1167] ipv6_find_idev+0x102/0x170 [ 8130.956761][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8130.956761][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8130.956761][ T1167] netlink_rcv_skb+0x130/0x360 [ 8130.956761][ T1167] netlink_unicast+0x449/0x710 [ 8130.956761][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8130.956761][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8130.956761][ T1167] ___sys_sendmsg+0xee/0x170 [ 8130.956761][ T1167] __sys_sendmsg+0xcd/0x170 [ 8130.956761][ T1167] do_syscall_64+0xc6/0x1e0 [ 8130.956761][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8130.956761][ T1167] [ 8130.958494][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8130.958494][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8130.958494][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8130.958494][ T1167] ipv6_find_idev+0x102/0x170 [ 8130.958494][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8130.958494][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8130.958494][ T1167] netlink_rcv_skb+0x130/0x360 [ 8130.958494][ T1167] netlink_unicast+0x449/0x710 [ 8130.958494][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8130.958494][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8130.958494][ T1167] ___sys_sendmsg+0xee/0x170 [ 8130.958494][ T1167] __sys_sendmsg+0xcd/0x170 [ 8130.958494][ T1167] do_syscall_64+0xc6/0x1e0 [ 8130.958494][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8130.958494][ T1167] [ 8140.977103][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8140.977511][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8140.977511][ T10] netdev_get_by_index+0x5e/0x80 [ 8140.977511][ T10] fib6_nh_init+0x3d8/0x1580 [ 8140.977511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8140.977511][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8140.977511][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8140.977511][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8140.977511][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8140.977511][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8140.977511][ T10] addrconf_dad_begin+0x310/0x670 [ 8140.977511][ T10] addrconf_dad_work+0x10b/0xab0 [ 8140.977511][ T10] process_one_work+0x84d/0x18a0 [ 8140.977511][ T10] worker_thread+0x587/0xd30 [ 8140.977511][ T10] kthread+0x28a/0x350 [ 8140.977511][ T10] ret_from_fork+0x31/0x70 [ 8140.977511][ T10] ret_from_fork_asm+0x1a/0x30 [ 8140.977511][ T10] [ 8140.979444][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8140.979444][ T10] netdev_get_by_index+0x5e/0x80 [ 8140.979444][ T10] fib6_nh_init+0x3d8/0x1580 [ 8140.979444][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8140.979444][ T10] ip6_route_add+0x1c/0x140 [ 8140.979444][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8140.979444][ T10] inet6_addr_add+0x4f8/0xa40 [ 8140.979444][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8140.979444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8140.979444][ T10] netlink_rcv_skb+0x130/0x360 [ 8140.979444][ T10] netlink_unicast+0x449/0x710 [ 8140.979444][ T10] netlink_sendmsg+0x723/0xbe0 [ 8140.979444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8140.979444][ T10] ___sys_sendmsg+0xee/0x170 [ 8140.979444][ T10] __sys_sendmsg+0xcd/0x170 [ 8140.979444][ T10] do_syscall_64+0xc6/0x1e0 [ 8140.979444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8140.979444][ T10] [ 8140.981450][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8140.981450][ T10] netdev_get_by_index+0x5e/0x80 [ 8140.981450][ T10] fib6_nh_init+0x3d8/0x1580 [ 8140.981450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8140.981450][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8140.981450][ T10] ipv6_add_addr+0x411/0x2000 [ 8140.981450][ T10] inet6_addr_add+0x30e/0xa40 [ 8140.981450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8140.981450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8140.981450][ T10] netlink_rcv_skb+0x130/0x360 [ 8140.981450][ T10] netlink_unicast+0x449/0x710 [ 8140.981450][ T10] netlink_sendmsg+0x723/0xbe0 [ 8140.981450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8140.981450][ T10] ___sys_sendmsg+0xee/0x170 [ 8140.981450][ T10] __sys_sendmsg+0xcd/0x170 [ 8140.981450][ T10] do_syscall_64+0xc6/0x1e0 [ 8140.981450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8140.981450][ T10] [ 8140.983437][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8140.983437][ T10] netdev_get_by_index+0x5e/0x80 [ 8140.983437][ T10] fib6_nh_init+0x3d8/0x1580 [ 8140.983437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8140.983437][ T10] ip6_route_add+0x1c/0x140 [ 8140.983437][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8140.983437][ T10] addrconf_add_dev+0xe2/0x170 [ 8140.983437][ T10] inet6_addr_add+0x12f/0xa40 [ 8140.983437][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8140.983437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8140.983437][ T10] netlink_rcv_skb+0x130/0x360 [ 8140.983437][ T10] netlink_unicast+0x449/0x710 [ 8140.983437][ T10] netlink_sendmsg+0x723/0xbe0 [ 8140.983437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8140.983437][ T10] ___sys_sendmsg+0xee/0x170 [ 8140.983437][ T10] __sys_sendmsg+0xcd/0x170 [ 8140.983437][ T10] do_syscall_64+0xc6/0x1e0 [ 8140.983437][ T10] [ 8140.985391][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8140.985391][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8140.985391][ T10] ipv6_find_idev+0x102/0x170 [ 8140.985391][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8140.985391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8140.985391][ T10] netlink_rcv_skb+0x130/0x360 [ 8140.985391][ T10] netlink_unicast+0x449/0x710 [ 8140.985391][ T10] netlink_sendmsg+0x723/0xbe0 [ 8140.985391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8140.985391][ T10] ___sys_sendmsg+0xee/0x170 [ 8140.985391][ T10] __sys_sendmsg+0xcd/0x170 [ 8140.985391][ T10] do_syscall_64+0xc6/0x1e0 [ 8140.985391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8140.985391][ T10] [ 8140.986920][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8140.986920][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8140.986920][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8140.986920][ T10] ipv6_find_idev+0x102/0x170 [ 8140.986920][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8140.986920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8140.986920][ T10] netlink_rcv_skb+0x130/0x360 [ 8140.986920][ T10] netlink_unicast+0x449/0x710 [ 8140.986920][ T10] netlink_sendmsg+0x723/0xbe0 [ 8140.986920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8140.986920][ T10] ___sys_sendmsg+0xee/0x170 [ 8140.986920][ T10] __sys_sendmsg+0xcd/0x170 [ 8140.986920][ T10] do_syscall_64+0xc6/0x1e0 [ 8140.986920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8140.986920][ T10] [ 8140.988590][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8140.988833][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8140.988833][ T10] netdev_get_by_index+0x5e/0x80 [ 8140.988833][ T10] fib6_nh_init+0x3d8/0x1580 [ 8140.988833][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8140.988833][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8140.988833][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8140.988833][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8140.988833][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8140.988833][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8140.988833][ T10] addrconf_dad_begin+0x310/0x670 [ 8140.988833][ T10] addrconf_dad_work+0x10b/0xab0 [ 8140.988833][ T10] process_one_work+0x84d/0x18a0 [ 8140.988833][ T10] worker_thread+0x587/0xd30 [ 8140.988833][ T10] kthread+0x28a/0x350 [ 8140.988833][ T10] ret_from_fork+0x31/0x70 [ 8140.988833][ T10] ret_from_fork_asm+0x1a/0x30 [ 8140.988833][ T10] [ 8140.990749][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8140.990749][ T10] netdev_get_by_index+0x5e/0x80 [ 8140.990749][ T10] fib6_nh_init+0x3d8/0x1580 [ 8140.990749][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8140.990749][ T10] ip6_route_add+0x1c/0x140 [ 8140.990749][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8140.990749][ T10] inet6_addr_add+0x4f8/0xa40 [ 8140.990749][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8140.990749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8140.990749][ T10] netlink_rcv_skb+0x130/0x360 [ 8140.990749][ T10] netlink_unicast+0x449/0x710 [ 8140.990749][ T10] netlink_sendmsg+0x723/0xbe0 [ 8140.990749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8140.990749][ T10] ___sys_sendmsg+0xee/0x170 [ 8140.990749][ T10] __sys_sendmsg+0xcd/0x170 [ 8140.990749][ T10] do_syscall_64+0xc6/0x1e0 [ 8140.990749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8140.990749][ T10] [ 8140.992749][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8140.992749][ T10] netdev_get_by_index+0x5e/0x80 [ 8140.992749][ T10] fib6_nh_init+0x3d8/0x1580 [ 8140.992749][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8140.992749][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8140.992749][ T10] ipv6_add_addr+0x411/0x2000 [ 8140.992749][ T10] inet6_addr_add+0x30e/0xa40 [ 8140.992749][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8140.992749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8140.992749][ T10] netlink_rcv_skb+0x130/0x360 [ 8140.992749][ T10] netlink_unicast+0x449/0x710 [ 8140.992749][ T10] netlink_sendmsg+0x723/0xbe0 [ 8140.992749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8140.992749][ T10] ___sys_sendmsg+0xee/0x170 [ 8140.992749][ T10] __sys_sendmsg+0xcd/0x170 [ 8140.992749][ T10] do_syscall_64+0xc6/0x1e0 [ 8140.992749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8140.992749][ T10] [ 8140.994730][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8140.994730][ T10] netdev_get_by_index+0x5e/0x80 [ 8140.994730][ T10] fib6_nh_init+0x3d8/0x1580 [ 8140.994730][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8140.994730][ T10] ip6_route_add+0x1c/0x140 [ 8140.994730][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8140.994730][ T10] addrconf_add_dev+0xe2/0x170 [ 8140.994730][ T10] inet6_addr_add+0x12f/0xa40 [ 8140.994730][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8140.994730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8140.994730][ T10] netlink_rcv_skb+0x130/0x360 [ 8140.994730][ T10] netlink_unicast+0x449/0x710 [ 8140.994730][ T10] netlink_sendmsg+0x723/0xbe0 [ 8140.994730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8140.994730][ T10] ___sys_sendmsg+0xee/0x170 [ 8140.994730][ T10] __sys_sendmsg+0xcd/0x170 [ 8140.994730][ T10] do_syscall_64+0xc6/0x1e0 [ 8140.994730][ T10] [ 8140.996678][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8140.996678][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8140.996678][ T10] ipv6_find_idev+0x102/0x170 [ 8140.996678][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8140.996678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8140.996678][ T10] netlink_rcv_skb+0x130/0x360 [ 8140.996678][ T10] netlink_unicast+0x449/0x710 [ 8140.996678][ T10] netlink_sendmsg+0x723/0xbe0 [ 8140.996678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8140.996678][ T10] ___sys_sendmsg+0xee/0x170 [ 8140.996678][ T10] __sys_sendmsg+0xcd/0x170 [ 8140.996678][ T10] do_syscall_64+0xc6/0x1e0 [ 8140.996678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8140.996678][ T10] [ 8140.998199][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8140.998199][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8140.998199][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8140.998199][ T10] ipv6_find_idev+0x102/0x170 [ 8140.998199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8140.998199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8140.998199][ T10] netlink_rcv_skb+0x130/0x360 [ 8140.998199][ T10] netlink_unicast+0x449/0x710 [ 8140.998199][ T10] netlink_sendmsg+0x723/0xbe0 [ 8140.998199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8140.998199][ T10] ___sys_sendmsg+0xee/0x170 [ 8140.998199][ T10] __sys_sendmsg+0xcd/0x170 [ 8140.998199][ T10] do_syscall_64+0xc6/0x1e0 [ 8140.998199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8140.998199][ T10] [ 8140.999887][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8141.000142][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8141.000142][ T10] netdev_get_by_index+0x5e/0x80 [ 8141.000142][ T10] fib6_nh_init+0x3d8/0x1580 [ 8141.000142][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8141.000142][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8141.000142][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8141.000142][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8141.000142][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8141.000142][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8141.000142][ T10] addrconf_dad_begin+0x310/0x670 [ 8141.000142][ T10] addrconf_dad_work+0x10b/0xab0 [ 8141.000142][ T10] process_one_work+0x84d/0x18a0 [ 8141.000142][ T10] worker_thread+0x587/0xd30 [ 8141.000142][ T10] kthread+0x28a/0x350 [ 8141.000142][ T10] ret_from_fork+0x31/0x70 [ 8141.000142][ T10] ret_from_fork_asm+0x1a/0x30 [ 8141.000142][ T10] [ 8141.002035][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8141.002035][ T10] netdev_get_by_index+0x5e/0x80 [ 8141.002035][ T10] fib6_nh_init+0x3d8/0x1580 [ 8141.002035][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8141.002035][ T10] ip6_route_add+0x1c/0x140 [ 8141.002035][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8141.002035][ T10] inet6_addr_add+0x4f8/0xa40 [ 8141.002035][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8141.002035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8141.002035][ T10] netlink_rcv_skb+0x130/0x360 [ 8141.002035][ T10] netlink_unicast+0x449/0x710 [ 8141.002035][ T10] netlink_sendmsg+0x723/0xbe0 [ 8141.002035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8141.002035][ T10] ___sys_sendmsg+0xee/0x170 [ 8141.002035][ T10] __sys_sendmsg+0xcd/0x170 [ 8141.002035][ T10] do_syscall_64+0xc6/0x1e0 [ 8141.002035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8141.002035][ T10] [ 8141.004257][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8141.004257][ T10] netdev_get_by_index+0x5e/0x80 [ 8141.004257][ T10] fib6_nh_init+0x3d8/0x1580 [ 8141.004257][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8141.004257][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8141.004257][ T10] ipv6_add_addr+0x411/0x2000 [ 8141.004257][ T10] inet6_addr_add+0x30e/0xa40 [ 8141.004257][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8141.004257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8141.004257][ T10] netlink_rcv_skb+0x130/0x360 [ 8141.004257][ T10] netlink_unicast+0x449/0x710 [ 8141.004257][ T10] netlink_sendmsg+0x723/0xbe0 [ 8141.004257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8141.004257][ T10] ___sys_sendmsg+0xee/0x170 [ 8141.004257][ T10] __sys_sendmsg+0xcd/0x170 [ 8141.004257][ T10] do_syscall_64+0xc6/0x1e0 [ 8141.004257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8141.004257][ T10] [ 8141.006419][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8141.006419][ T10] netdev_get_by_index+0x5e/0x80 [ 8141.006419][ T10] fib6_nh_init+0x3d8/0x1580 [ 8141.006419][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8141.006419][ T10] ip6_route_add+0x1c/0x140 [ 8141.006419][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8141.006419][ T10] addrconf_add_dev+0xe2/0x170 [ 8141.006419][ T10] inet6_addr_add+0x12f/0xa40 [ 8141.006419][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8141.006419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8141.006419][ T10] netlink_rcv_skb+0x130/0x360 [ 8141.006419][ T10] netlink_unicast+0x449/0x710 [ 8141.006419][ T10] netlink_sendmsg+0x723/0xbe0 [ 8141.006419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8141.006419][ T10] ___sys_sendmsg+0xee/0x170 [ 8141.006419][ T10] __sys_sendmsg+0xcd/0x170 [ 8141.006419][ T10] do_syscall_64+0xc6/0x1e0 [ 8141.006419][ T10] [ 8141.008668][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8141.008668][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8141.008668][ T10] ipv6_find_idev+0x102/0x170 [ 8141.008668][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8141.008668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8141.008668][ T10] netlink_rcv_skb+0x130/0x360 [ 8141.008668][ T10] netlink_unicast+0x449/0x710 [ 8141.008668][ T10] netlink_sendmsg+0x723/0xbe0 [ 8141.008668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8141.008668][ T10] ___sys_sendmsg+0xee/0x170 [ 8141.008668][ T10] __sys_sendmsg+0xcd/0x170 [ 8141.008668][ T10] do_syscall_64+0xc6/0x1e0 [ 8141.008668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8141.008668][ T10] [ 8141.010373][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8141.010373][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8141.010373][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8141.010373][ T10] ipv6_find_idev+0x102/0x170 [ 8141.010373][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8141.010373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8141.010373][ T10] netlink_rcv_skb+0x130/0x360 [ 8141.010373][ T10] netlink_unicast+0x449/0x710 [ 8141.010373][ T10] netlink_sendmsg+0x723/0xbe0 [ 8141.010373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8141.010373][ T10] ___sys_sendmsg+0xee/0x170 [ 8141.010373][ T10] __sys_sendmsg+0xcd/0x170 [ 8141.010373][ T10] do_syscall_64+0xc6/0x1e0 [ 8141.010373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8141.010373][ T10] [ 8141.012219][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8141.012515][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8141.012515][ T10] netdev_get_by_index+0x5e/0x80 [ 8141.012515][ T10] fib6_nh_init+0x3d8/0x1580 [ 8141.012515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8141.012515][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8141.012515][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8141.012515][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8141.012515][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8141.012515][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8141.012515][ T10] addrconf_dad_begin+0x310/0x670 [ 8141.012515][ T10] addrconf_dad_work+0x10b/0xab0 [ 8141.012515][ T10] process_one_work+0x84d/0x18a0 [ 8141.012515][ T10] worker_thread+0x587/0xd30 [ 8141.012515][ T10] kthread+0x28a/0x350 [ 8141.012515][ T10] ret_from_fork+0x31/0x70 [ 8141.012515][ T10] ret_from_fork_asm+0x1a/0x30 [ 8141.012515][ T10] [ 8141.014529][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8141.014529][ T10] netdev_get_by_index+0x5e/0x80 [ 8141.014529][ T10] fib6_nh_init+0x3d8/0x1580 [ 8141.014529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8141.014529][ T10] ip6_route_add+0x1c/0x140 [ 8141.014529][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8141.014529][ T10] inet6_addr_add+0x4f8/0xa40 [ 8141.014529][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8141.014529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8141.014529][ T10] netlink_rcv_skb+0x130/0x360 [ 8141.014529][ T10] netlink_unicast+0x449/0x710 [ 8141.014529][ T10] netlink_sendmsg+0x723/0xbe0 [ 8141.014529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8141.014529][ T10] ___sys_sendmsg+0xee/0x170 [ 8141.014529][ T10] __sys_sendmsg+0xcd/0x170 [ 8141.014529][ T10] do_syscall_64+0xc6/0x1e0 [ 8141.014529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8141.014529][ T10] [ 8141.016819][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8141.016819][ T10] netdev_get_by_index+0x5e/0x80 [ 8141.016819][ T10] fib6_nh_init+0x3d8/0x1580 [ 8141.016819][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8141.016819][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8141.016819][ T10] ipv6_add_addr+0x411/0x2000 [ 8141.016819][ T10] inet6_addr_add+0x30e/0xa40 [ 8141.016819][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8141.016819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8141.016819][ T10] netlink_rcv_skb+0x130/0x360 [ 8141.016819][ T10] netlink_unicast+0x449/0x710 [ 8141.016819][ T10] netlink_sendmsg+0x723/0xbe0 [ 8141.016819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8141.016819][ T10] ___sys_sendmsg+0xee/0x170 [ 8141.016819][ T10] __sys_sendmsg+0xcd/0x170 [ 8141.016819][ T10] do_syscall_64+0xc6/0x1e0 [ 8141.016819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8141.016819][ T10] [ 8141.019038][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8141.019038][ T10] netdev_get_by_index+0x5e/0x80 [ 8141.019038][ T10] fib6_nh_init+0x3d8/0x1580 [ 8141.019038][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8141.019038][ T10] ip6_route_add+0x1c/0x140 [ 8141.019038][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8141.019038][ T10] addrconf_add_dev+0xe2/0x170 [ 8141.019038][ T10] inet6_addr_add+0x12f/0xa40 [ 8141.019038][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8141.019038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8141.019038][ T10] netlink_rcv_skb+0x130/0x360 [ 8141.019038][ T10] netlink_unicast+0x449/0x710 [ 8141.019038][ T10] netlink_sendmsg+0x723/0xbe0 [ 8141.019038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8141.019038][ T10] ___sys_sendmsg+0xee/0x170 [ 8141.019038][ T10] __sys_sendmsg+0xcd/0x170 [ 8141.019038][ T10] do_syscall_64+0xc6/0x1e0 [ 8141.019038][ T10] [ 8141.021229][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8141.021229][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8141.021229][ T10] ipv6_find_idev+0x102/0x170 [ 8141.021229][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8141.021229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8141.021229][ T10] netlink_rcv_skb+0x130/0x360 [ 8141.021229][ T10] netlink_unicast+0x449/0x710 [ 8141.021229][ T10] netlink_sendmsg+0x723/0xbe0 [ 8141.021229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8141.021229][ T10] ___sys_sendmsg+0xee/0x170 [ 8141.021229][ T10] __sys_sendmsg+0xcd/0x170 [ 8141.021229][ T10] do_syscall_64+0xc6/0x1e0 [ 8141.021229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8141.021229][ T10] [ 8141.022943][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8141.022943][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8141.022943][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8141.022943][ T10] ipv6_find_idev+0x102/0x170 [ 8141.022943][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8141.022943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8141.022943][ T10] netlink_rcv_skb+0x130/0x360 [ 8141.022943][ T10] netlink_unicast+0x449/0x710 [ 8141.022943][ T10] netlink_sendmsg+0x723/0xbe0 [ 8141.022943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8141.022943][ T10] ___sys_sendmsg+0xee/0x170 [ 8141.022943][ T10] __sys_sendmsg+0xcd/0x170 [ 8141.022943][ T10] do_syscall_64+0xc6/0x1e0 [ 8141.022943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8141.022943][ T10] [ 8141.201104][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8141.201463][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8141.201463][ T1167] dst_init+0x84/0x4a0 [ 8141.201463][ T1167] dst_alloc+0x97/0x150 [ 8141.201463][ T1167] ip6_dst_alloc+0x23/0x90 [ 8141.201463][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8141.201463][ T1167] ip6_pol_route+0x56f/0x840 [ 8141.201463][ T1167] fib6_rule_lookup+0x334/0x630 [ 8141.201463][ T1167] ip6_route_output_flags+0x259/0x480 [ 8141.201463][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8141.201463][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8141.201463][ T1167] netlink_rcv_skb+0x130/0x360 [ 8141.201463][ T1167] netlink_unicast+0x449/0x710 [ 8141.201463][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8141.201463][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8141.201463][ T1167] ___sys_sendmsg+0xee/0x170 [ 8141.201463][ T1167] __sys_sendmsg+0xcd/0x170 [ 8141.201463][ T1167] do_syscall_64+0xc6/0x1e0 [ 8141.201463][ T1167] [ 8141.203669][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8141.203669][ T1167] netdev_get_by_index+0x5e/0x80 [ 8141.203669][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8141.203669][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8141.203669][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8141.203669][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8141.203669][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8141.203669][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8141.203669][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8141.203669][ T1167] addrconf_dad_begin+0x310/0x670 [ 8141.203669][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8141.203669][ T1167] process_one_work+0x84d/0x18a0 [ 8141.203669][ T1167] worker_thread+0x587/0xd30 [ 8141.203669][ T1167] kthread+0x28a/0x350 [ 8141.203669][ T1167] ret_from_fork+0x31/0x70 [ 8141.203669][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8141.203669][ T1167] [ 8141.205826][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8141.205826][ T1167] netdev_get_by_index+0x5e/0x80 [ 8141.205826][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8141.205826][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8141.205826][ T1167] ip6_route_add+0x1c/0x140 [ 8141.205826][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8141.205826][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8141.205826][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8141.205826][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8141.205826][ T1167] netlink_rcv_skb+0x130/0x360 [ 8141.205826][ T1167] netlink_unicast+0x449/0x710 [ 8141.205826][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8141.205826][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8141.205826][ T1167] ___sys_sendmsg+0xee/0x170 [ 8141.205826][ T1167] __sys_sendmsg+0xcd/0x170 [ 8141.205826][ T1167] do_syscall_64+0xc6/0x1e0 [ 8141.205826][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8141.205826][ T1167] [ 8141.208079][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8141.208079][ T1167] netdev_get_by_index+0x5e/0x80 [ 8141.208079][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8141.208079][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8141.208079][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8141.208079][ T1167] ipv6_add_addr+0x411/0x2000 [ 8141.208079][ T1167] inet6_addr_add+0x30e/0xa40 [ 8141.208079][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8141.208079][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8141.208079][ T1167] netlink_rcv_skb+0x130/0x360 [ 8141.208079][ T1167] netlink_unicast+0x449/0x710 [ 8141.208079][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8141.208079][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8141.208079][ T1167] ___sys_sendmsg+0xee/0x170 [ 8141.208079][ T1167] __sys_sendmsg+0xcd/0x170 [ 8141.208079][ T1167] do_syscall_64+0xc6/0x1e0 [ 8141.208079][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8141.208079][ T1167] [ 8141.210353][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8141.210353][ T1167] netdev_get_by_index+0x5e/0x80 [ 8141.210353][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8141.210353][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8141.210353][ T1167] ip6_route_add+0x1c/0x140 [ 8141.210353][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8141.210353][ T1167] addrconf_add_dev+0xe2/0x170 [ 8141.210353][ T1167] inet6_addr_add+0x12f/0xa40 [ 8141.210353][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8141.210353][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8141.210353][ T1167] netlink_rcv_skb+0x130/0x360 [ 8141.210353][ T1167] netlink_unicast+0x449/0x710 [ 8141.210353][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8141.210353][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8141.210353][ T1167] ___sys_sendmsg+0xee/0x170 [ 8141.210353][ T1167] __sys_sendmsg+0xcd/0x170 [ 8141.210353][ T1167] do_syscall_64+0xc6/0x1e0 [ 8141.210353][ T1167] [ 8141.212569][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8141.212569][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8141.212569][ T1167] ipv6_find_idev+0x102/0x170 [ 8141.212569][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8141.212569][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8141.212569][ T1167] netlink_rcv_skb+0x130/0x360 [ 8141.212569][ T1167] netlink_unicast+0x449/0x710 [ 8141.212569][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8141.212569][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8141.212569][ T1167] ___sys_sendmsg+0xee/0x170 [ 8141.212569][ T1167] __sys_sendmsg+0xcd/0x170 [ 8141.212569][ T1167] do_syscall_64+0xc6/0x1e0 [ 8141.212569][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8141.212569][ T1167] [ 8141.214298][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8141.214298][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8141.214298][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8141.214298][ T1167] ipv6_find_idev+0x102/0x170 [ 8141.214298][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8141.214298][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8141.214298][ T1167] netlink_rcv_skb+0x130/0x360 [ 8141.214298][ T1167] netlink_unicast+0x449/0x710 [ 8141.214298][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8141.214298][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8141.214298][ T1167] ___sys_sendmsg+0xee/0x170 [ 8141.214298][ T1167] __sys_sendmsg+0xcd/0x170 [ 8141.214298][ T1167] do_syscall_64+0xc6/0x1e0 [ 8141.214298][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8141.214298][ T1167] [ 8151.281108][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8151.281463][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8151.281463][ T10] netdev_get_by_index+0x5e/0x80 [ 8151.281463][ T10] fib6_nh_init+0x3d8/0x1580 [ 8151.281463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8151.281463][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8151.281463][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8151.281463][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8151.281463][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8151.281463][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8151.281463][ T10] addrconf_dad_begin+0x310/0x670 [ 8151.281463][ T10] addrconf_dad_work+0x10b/0xab0 [ 8151.281463][ T10] process_one_work+0x84d/0x18a0 [ 8151.281463][ T10] worker_thread+0x587/0xd30 [ 8151.281463][ T10] kthread+0x28a/0x350 [ 8151.281463][ T10] ret_from_fork+0x31/0x70 [ 8151.281463][ T10] ret_from_fork_asm+0x1a/0x30 [ 8151.281463][ T10] [ 8151.283383][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8151.283383][ T10] netdev_get_by_index+0x5e/0x80 [ 8151.283383][ T10] fib6_nh_init+0x3d8/0x1580 [ 8151.283383][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8151.283383][ T10] ip6_route_add+0x1c/0x140 [ 8151.283383][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8151.283383][ T10] inet6_addr_add+0x4f8/0xa40 [ 8151.283383][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8151.283383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8151.283383][ T10] netlink_rcv_skb+0x130/0x360 [ 8151.283383][ T10] netlink_unicast+0x449/0x710 [ 8151.283383][ T10] netlink_sendmsg+0x723/0xbe0 [ 8151.283383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8151.283383][ T10] ___sys_sendmsg+0xee/0x170 [ 8151.283383][ T10] __sys_sendmsg+0xcd/0x170 [ 8151.283383][ T10] do_syscall_64+0xc6/0x1e0 [ 8151.283383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8151.283383][ T10] [ 8151.285366][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8151.285366][ T10] netdev_get_by_index+0x5e/0x80 [ 8151.285366][ T10] fib6_nh_init+0x3d8/0x1580 [ 8151.285366][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8151.285366][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8151.285366][ T10] ipv6_add_addr+0x411/0x2000 [ 8151.285366][ T10] inet6_addr_add+0x30e/0xa40 [ 8151.285366][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8151.285366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8151.285366][ T10] netlink_rcv_skb+0x130/0x360 [ 8151.285366][ T10] netlink_unicast+0x449/0x710 [ 8151.285366][ T10] netlink_sendmsg+0x723/0xbe0 [ 8151.285366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8151.285366][ T10] ___sys_sendmsg+0xee/0x170 [ 8151.285366][ T10] __sys_sendmsg+0xcd/0x170 [ 8151.285366][ T10] do_syscall_64+0xc6/0x1e0 [ 8151.285366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8151.285366][ T10] [ 8151.287881][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8151.287881][ T10] netdev_get_by_index+0x5e/0x80 [ 8151.287881][ T10] fib6_nh_init+0x3d8/0x1580 [ 8151.287881][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8151.287881][ T10] ip6_route_add+0x1c/0x140 [ 8151.287881][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8151.287881][ T10] addrconf_add_dev+0xe2/0x170 [ 8151.287881][ T10] inet6_addr_add+0x12f/0xa40 [ 8151.287881][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8151.287881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8151.287881][ T10] netlink_rcv_skb+0x130/0x360 [ 8151.287881][ T10] netlink_unicast+0x449/0x710 [ 8151.287881][ T10] netlink_sendmsg+0x723/0xbe0 [ 8151.287881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8151.287881][ T10] ___sys_sendmsg+0xee/0x170 [ 8151.287881][ T10] __sys_sendmsg+0xcd/0x170 [ 8151.287881][ T10] do_syscall_64+0xc6/0x1e0 [ 8151.287881][ T10] [ 8151.289844][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8151.289844][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8151.289844][ T10] ipv6_find_idev+0x102/0x170 [ 8151.289844][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8151.289844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8151.289844][ T10] netlink_rcv_skb+0x130/0x360 [ 8151.289844][ T10] netlink_unicast+0x449/0x710 [ 8151.289844][ T10] netlink_sendmsg+0x723/0xbe0 [ 8151.289844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8151.289844][ T10] ___sys_sendmsg+0xee/0x170 [ 8151.289844][ T10] __sys_sendmsg+0xcd/0x170 [ 8151.289844][ T10] do_syscall_64+0xc6/0x1e0 [ 8151.289844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8151.289844][ T10] [ 8151.291373][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8151.291373][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8151.291373][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8151.291373][ T10] ipv6_find_idev+0x102/0x170 [ 8151.291373][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8151.291373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8151.291373][ T10] netlink_rcv_skb+0x130/0x360 [ 8151.291373][ T10] netlink_unicast+0x449/0x710 [ 8151.291373][ T10] netlink_sendmsg+0x723/0xbe0 [ 8151.291373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8151.291373][ T10] ___sys_sendmsg+0xee/0x170 [ 8151.291373][ T10] __sys_sendmsg+0xcd/0x170 [ 8151.291373][ T10] do_syscall_64+0xc6/0x1e0 [ 8151.291373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8151.291373][ T10] [ 8151.293054][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8151.293299][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8151.293299][ T10] netdev_get_by_index+0x5e/0x80 [ 8151.293299][ T10] fib6_nh_init+0x3d8/0x1580 [ 8151.293299][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8151.293299][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8151.293299][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8151.293299][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8151.293299][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8151.293299][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8151.293299][ T10] addrconf_dad_begin+0x310/0x670 [ 8151.293299][ T10] addrconf_dad_work+0x10b/0xab0 [ 8151.293299][ T10] process_one_work+0x84d/0x18a0 [ 8151.293299][ T10] worker_thread+0x587/0xd30 [ 8151.293299][ T10] kthread+0x28a/0x350 [ 8151.293299][ T10] ret_from_fork+0x31/0x70 [ 8151.293299][ T10] ret_from_fork_asm+0x1a/0x30 [ 8151.293299][ T10] [ 8151.295222][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8151.295222][ T10] netdev_get_by_index+0x5e/0x80 [ 8151.295222][ T10] fib6_nh_init+0x3d8/0x1580 [ 8151.295222][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8151.295222][ T10] ip6_route_add+0x1c/0x140 [ 8151.295222][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8151.295222][ T10] inet6_addr_add+0x4f8/0xa40 [ 8151.295222][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8151.295222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8151.295222][ T10] netlink_rcv_skb+0x130/0x360 [ 8151.295222][ T10] netlink_unicast+0x449/0x710 [ 8151.295222][ T10] netlink_sendmsg+0x723/0xbe0 [ 8151.295222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8151.295222][ T10] ___sys_sendmsg+0xee/0x170 [ 8151.295222][ T10] __sys_sendmsg+0xcd/0x170 [ 8151.295222][ T10] do_syscall_64+0xc6/0x1e0 [ 8151.295222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8151.295222][ T10] [ 8151.297207][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8151.297207][ T10] netdev_get_by_index+0x5e/0x80 [ 8151.297207][ T10] fib6_nh_init+0x3d8/0x1580 [ 8151.297207][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8151.297207][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8151.297207][ T10] ipv6_add_addr+0x411/0x2000 [ 8151.297207][ T10] inet6_addr_add+0x30e/0xa40 [ 8151.297207][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8151.297207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8151.297207][ T10] netlink_rcv_skb+0x130/0x360 [ 8151.297207][ T10] netlink_unicast+0x449/0x710 [ 8151.297207][ T10] netlink_sendmsg+0x723/0xbe0 [ 8151.297207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8151.297207][ T10] ___sys_sendmsg+0xee/0x170 [ 8151.297207][ T10] __sys_sendmsg+0xcd/0x170 [ 8151.297207][ T10] do_syscall_64+0xc6/0x1e0 [ 8151.297207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8151.297207][ T10] [ 8151.299209][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8151.299209][ T10] netdev_get_by_index+0x5e/0x80 [ 8151.299209][ T10] fib6_nh_init+0x3d8/0x1580 [ 8151.299209][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8151.299209][ T10] ip6_route_add+0x1c/0x140 [ 8151.299209][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8151.299209][ T10] addrconf_add_dev+0xe2/0x170 [ 8151.299209][ T10] inet6_addr_add+0x12f/0xa40 [ 8151.299209][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8151.299209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8151.299209][ T10] netlink_rcv_skb+0x130/0x360 [ 8151.299209][ T10] netlink_unicast+0x449/0x710 [ 8151.299209][ T10] netlink_sendmsg+0x723/0xbe0 [ 8151.299209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8151.299209][ T10] ___sys_sendmsg+0xee/0x170 [ 8151.299209][ T10] __sys_sendmsg+0xcd/0x170 [ 8151.299209][ T10] do_syscall_64+0xc6/0x1e0 [ 8151.299209][ T10] [ 8151.301171][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8151.301171][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8151.301171][ T10] ipv6_find_idev+0x102/0x170 [ 8151.301171][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8151.301171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8151.301171][ T10] netlink_rcv_skb+0x130/0x360 [ 8151.301171][ T10] netlink_unicast+0x449/0x710 [ 8151.301171][ T10] netlink_sendmsg+0x723/0xbe0 [ 8151.301171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8151.301171][ T10] ___sys_sendmsg+0xee/0x170 [ 8151.301171][ T10] __sys_sendmsg+0xcd/0x170 [ 8151.301171][ T10] do_syscall_64+0xc6/0x1e0 [ 8151.301171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8151.301171][ T10] [ 8151.302705][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8151.302705][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8151.302705][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8151.302705][ T10] ipv6_find_idev+0x102/0x170 [ 8151.302705][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8151.302705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8151.302705][ T10] netlink_rcv_skb+0x130/0x360 [ 8151.302705][ T10] netlink_unicast+0x449/0x710 [ 8151.302705][ T10] netlink_sendmsg+0x723/0xbe0 [ 8151.302705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8151.302705][ T10] ___sys_sendmsg+0xee/0x170 [ 8151.302705][ T10] __sys_sendmsg+0xcd/0x170 [ 8151.302705][ T10] do_syscall_64+0xc6/0x1e0 [ 8151.302705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8151.302705][ T10] [ 8151.304382][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8151.304621][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8151.304621][ T10] netdev_get_by_index+0x5e/0x80 [ 8151.304621][ T10] fib6_nh_init+0x3d8/0x1580 [ 8151.304621][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8151.304621][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8151.304621][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8151.304621][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8151.304621][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8151.304621][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8151.304621][ T10] addrconf_dad_begin+0x310/0x670 [ 8151.304621][ T10] addrconf_dad_work+0x10b/0xab0 [ 8151.304621][ T10] process_one_work+0x84d/0x18a0 [ 8151.304621][ T10] worker_thread+0x587/0xd30 [ 8151.304621][ T10] kthread+0x28a/0x350 [ 8151.304621][ T10] ret_from_fork+0x31/0x70 [ 8151.304621][ T10] ret_from_fork_asm+0x1a/0x30 [ 8151.304621][ T10] [ 8151.306524][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8151.306524][ T10] netdev_get_by_index+0x5e/0x80 [ 8151.306524][ T10] fib6_nh_init+0x3d8/0x1580 [ 8151.306524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8151.306524][ T10] ip6_route_add+0x1c/0x140 [ 8151.306524][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8151.306524][ T10] inet6_addr_add+0x4f8/0xa40 [ 8151.306524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8151.306524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8151.306524][ T10] netlink_rcv_skb+0x130/0x360 [ 8151.306524][ T10] netlink_unicast+0x449/0x710 [ 8151.306524][ T10] netlink_sendmsg+0x723/0xbe0 [ 8151.306524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8151.306524][ T10] ___sys_sendmsg+0xee/0x170 [ 8151.306524][ T10] __sys_sendmsg+0xcd/0x170 [ 8151.306524][ T10] do_syscall_64+0xc6/0x1e0 [ 8151.306524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8151.306524][ T10] [ 8151.308814][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8151.308814][ T10] netdev_get_by_index+0x5e/0x80 [ 8151.308814][ T10] fib6_nh_init+0x3d8/0x1580 [ 8151.308814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8151.308814][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8151.308814][ T10] ipv6_add_addr+0x411/0x2000 [ 8151.308814][ T10] inet6_addr_add+0x30e/0xa40 [ 8151.308814][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8151.308814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8151.308814][ T10] netlink_rcv_skb+0x130/0x360 [ 8151.308814][ T10] netlink_unicast+0x449/0x710 [ 8151.308814][ T10] netlink_sendmsg+0x723/0xbe0 [ 8151.308814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8151.308814][ T10] ___sys_sendmsg+0xee/0x170 [ 8151.308814][ T10] __sys_sendmsg+0xcd/0x170 [ 8151.308814][ T10] do_syscall_64+0xc6/0x1e0 [ 8151.308814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8151.308814][ T10] [ 8151.310996][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8151.310996][ T10] netdev_get_by_index+0x5e/0x80 [ 8151.310996][ T10] fib6_nh_init+0x3d8/0x1580 [ 8151.310996][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8151.310996][ T10] ip6_route_add+0x1c/0x140 [ 8151.310996][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8151.310996][ T10] addrconf_add_dev+0xe2/0x170 [ 8151.310996][ T10] inet6_addr_add+0x12f/0xa40 [ 8151.310996][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8151.310996][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8151.310996][ T10] netlink_rcv_skb+0x130/0x360 [ 8151.310996][ T10] netlink_unicast+0x449/0x710 [ 8151.310996][ T10] netlink_sendmsg+0x723/0xbe0 [ 8151.310996][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8151.310996][ T10] ___sys_sendmsg+0xee/0x170 [ 8151.310996][ T10] __sys_sendmsg+0xcd/0x170 [ 8151.310996][ T10] do_syscall_64+0xc6/0x1e0 [ 8151.310996][ T10] [ 8151.313185][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8151.313185][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8151.313185][ T10] ipv6_find_idev+0x102/0x170 [ 8151.313185][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8151.313185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8151.313185][ T10] netlink_rcv_skb+0x130/0x360 [ 8151.313185][ T10] netlink_unicast+0x449/0x710 [ 8151.313185][ T10] netlink_sendmsg+0x723/0xbe0 [ 8151.313185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8151.313185][ T10] ___sys_sendmsg+0xee/0x170 [ 8151.313185][ T10] __sys_sendmsg+0xcd/0x170 [ 8151.313185][ T10] do_syscall_64+0xc6/0x1e0 [ 8151.313185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8151.313185][ T10] [ 8151.314891][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8151.314891][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8151.314891][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8151.314891][ T10] ipv6_find_idev+0x102/0x170 [ 8151.314891][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8151.314891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8151.314891][ T10] netlink_rcv_skb+0x130/0x360 [ 8151.314891][ T10] netlink_unicast+0x449/0x710 [ 8151.314891][ T10] netlink_sendmsg+0x723/0xbe0 [ 8151.314891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8151.314891][ T10] ___sys_sendmsg+0xee/0x170 [ 8151.314891][ T10] __sys_sendmsg+0xcd/0x170 [ 8151.314891][ T10] do_syscall_64+0xc6/0x1e0 [ 8151.314891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8151.314891][ T10] [ 8151.316743][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8151.317041][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8151.317041][ T10] netdev_get_by_index+0x5e/0x80 [ 8151.317041][ T10] fib6_nh_init+0x3d8/0x1580 [ 8151.317041][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8151.317041][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8151.317041][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8151.317041][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8151.317041][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8151.317041][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8151.317041][ T10] addrconf_dad_begin+0x310/0x670 [ 8151.317041][ T10] addrconf_dad_work+0x10b/0xab0 [ 8151.317041][ T10] process_one_work+0x84d/0x18a0 [ 8151.317041][ T10] worker_thread+0x587/0xd30 [ 8151.317041][ T10] kthread+0x28a/0x350 [ 8151.317041][ T10] ret_from_fork+0x31/0x70 [ 8151.317041][ T10] ret_from_fork_asm+0x1a/0x30 [ 8151.317041][ T10] [ 8151.319112][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8151.319112][ T10] netdev_get_by_index+0x5e/0x80 [ 8151.319112][ T10] fib6_nh_init+0x3d8/0x1580 [ 8151.319112][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8151.319112][ T10] ip6_route_add+0x1c/0x140 [ 8151.319112][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8151.319112][ T10] inet6_addr_add+0x4f8/0xa40 [ 8151.319112][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8151.319112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8151.319112][ T10] netlink_rcv_skb+0x130/0x360 [ 8151.319112][ T10] netlink_unicast+0x449/0x710 [ 8151.319112][ T10] netlink_sendmsg+0x723/0xbe0 [ 8151.319112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8151.319112][ T10] ___sys_sendmsg+0xee/0x170 [ 8151.319112][ T10] __sys_sendmsg+0xcd/0x170 [ 8151.319112][ T10] do_syscall_64+0xc6/0x1e0 [ 8151.319112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8151.319112][ T10] [ 8151.321336][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8151.321336][ T10] netdev_get_by_index+0x5e/0x80 [ 8151.321336][ T10] fib6_nh_init+0x3d8/0x1580 [ 8151.321336][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8151.321336][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8151.321336][ T10] ipv6_add_addr+0x411/0x2000 [ 8151.321336][ T10] inet6_addr_add+0x30e/0xa40 [ 8151.321336][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8151.321336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8151.321336][ T10] netlink_rcv_skb+0x130/0x360 [ 8151.321336][ T10] netlink_unicast+0x449/0x710 [ 8151.321336][ T10] netlink_sendmsg+0x723/0xbe0 [ 8151.321336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8151.321336][ T10] ___sys_sendmsg+0xee/0x170 [ 8151.321336][ T10] __sys_sendmsg+0xcd/0x170 [ 8151.321336][ T10] do_syscall_64+0xc6/0x1e0 [ 8151.321336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8151.321336][ T10] [ 8151.323572][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8151.323572][ T10] netdev_get_by_index+0x5e/0x80 [ 8151.323572][ T10] fib6_nh_init+0x3d8/0x1580 [ 8151.323572][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8151.323572][ T10] ip6_route_add+0x1c/0x140 [ 8151.323572][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8151.323572][ T10] addrconf_add_dev+0xe2/0x170 [ 8151.323572][ T10] inet6_addr_add+0x12f/0xa40 [ 8151.323572][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8151.323572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8151.323572][ T10] netlink_rcv_skb+0x130/0x360 [ 8151.323572][ T10] netlink_unicast+0x449/0x710 [ 8151.323572][ T10] netlink_sendmsg+0x723/0xbe0 [ 8151.323572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8151.323572][ T10] ___sys_sendmsg+0xee/0x170 [ 8151.323572][ T10] __sys_sendmsg+0xcd/0x170 [ 8151.323572][ T10] do_syscall_64+0xc6/0x1e0 [ 8151.323572][ T10] [ 8151.325762][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8151.325762][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8151.325762][ T10] ipv6_find_idev+0x102/0x170 [ 8151.325762][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8151.325762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8151.325762][ T10] netlink_rcv_skb+0x130/0x360 [ 8151.325762][ T10] netlink_unicast+0x449/0x710 [ 8151.325762][ T10] netlink_sendmsg+0x723/0xbe0 [ 8151.325762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8151.325762][ T10] ___sys_sendmsg+0xee/0x170 [ 8151.325762][ T10] __sys_sendmsg+0xcd/0x170 [ 8151.325762][ T10] do_syscall_64+0xc6/0x1e0 [ 8151.325762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8151.325762][ T10] [ 8151.327531][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8151.327531][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8151.327531][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8151.327531][ T10] ipv6_find_idev+0x102/0x170 [ 8151.327531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8151.327531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8151.327531][ T10] netlink_rcv_skb+0x130/0x360 [ 8151.327531][ T10] netlink_unicast+0x449/0x710 [ 8151.327531][ T10] netlink_sendmsg+0x723/0xbe0 [ 8151.327531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8151.327531][ T10] ___sys_sendmsg+0xee/0x170 [ 8151.327531][ T10] __sys_sendmsg+0xcd/0x170 [ 8151.327531][ T10] do_syscall_64+0xc6/0x1e0 [ 8151.327531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8151.327531][ T10] [ 8151.457181][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8151.457559][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8151.457559][ T1167] dst_init+0x84/0x4a0 [ 8151.457559][ T1167] dst_alloc+0x97/0x150 [ 8151.457559][ T1167] ip6_dst_alloc+0x23/0x90 [ 8151.457559][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8151.457559][ T1167] ip6_pol_route+0x56f/0x840 [ 8151.457559][ T1167] fib6_rule_lookup+0x334/0x630 [ 8151.457559][ T1167] ip6_route_output_flags+0x259/0x480 [ 8151.457559][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8151.457559][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8151.457559][ T1167] netlink_rcv_skb+0x130/0x360 [ 8151.457559][ T1167] netlink_unicast+0x449/0x710 [ 8151.457559][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8151.457559][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8151.457559][ T1167] ___sys_sendmsg+0xee/0x170 [ 8151.457559][ T1167] __sys_sendmsg+0xcd/0x170 [ 8151.457559][ T1167] do_syscall_64+0xc6/0x1e0 [ 8151.457559][ T1167] [ 8151.459768][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8151.459768][ T1167] netdev_get_by_index+0x5e/0x80 [ 8151.459768][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8151.459768][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8151.459768][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8151.459768][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8151.459768][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8151.459768][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8151.459768][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8151.459768][ T1167] addrconf_dad_begin+0x310/0x670 [ 8151.459768][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8151.459768][ T1167] process_one_work+0x84d/0x18a0 [ 8151.459768][ T1167] worker_thread+0x587/0xd30 [ 8151.459768][ T1167] kthread+0x28a/0x350 [ 8151.459768][ T1167] ret_from_fork+0x31/0x70 [ 8151.459768][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8151.459768][ T1167] [ 8151.461935][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8151.461935][ T1167] netdev_get_by_index+0x5e/0x80 [ 8151.461935][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8151.461935][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8151.461935][ T1167] ip6_route_add+0x1c/0x140 [ 8151.461935][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8151.461935][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8151.461935][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8151.461935][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8151.461935][ T1167] netlink_rcv_skb+0x130/0x360 [ 8151.461935][ T1167] netlink_unicast+0x449/0x710 [ 8151.461935][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8151.461935][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8151.461935][ T1167] ___sys_sendmsg+0xee/0x170 [ 8151.461935][ T1167] __sys_sendmsg+0xcd/0x170 [ 8151.461935][ T1167] do_syscall_64+0xc6/0x1e0 [ 8151.461935][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8151.461935][ T1167] [ 8151.464195][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8151.464195][ T1167] netdev_get_by_index+0x5e/0x80 [ 8151.464195][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8151.464195][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8151.464195][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8151.464195][ T1167] ipv6_add_addr+0x411/0x2000 [ 8151.464195][ T1167] inet6_addr_add+0x30e/0xa40 [ 8151.464195][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8151.464195][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8151.464195][ T1167] netlink_rcv_skb+0x130/0x360 [ 8151.464195][ T1167] netlink_unicast+0x449/0x710 [ 8151.464195][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8151.464195][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8151.464195][ T1167] ___sys_sendmsg+0xee/0x170 [ 8151.464195][ T1167] __sys_sendmsg+0xcd/0x170 [ 8151.464195][ T1167] do_syscall_64+0xc6/0x1e0 [ 8151.464195][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8151.464195][ T1167] [ 8151.466456][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8151.466456][ T1167] netdev_get_by_index+0x5e/0x80 [ 8151.466456][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8151.466456][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8151.466456][ T1167] ip6_route_add+0x1c/0x140 [ 8151.466456][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8151.466456][ T1167] addrconf_add_dev+0xe2/0x170 [ 8151.466456][ T1167] inet6_addr_add+0x12f/0xa40 [ 8151.466456][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8151.466456][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8151.466456][ T1167] netlink_rcv_skb+0x130/0x360 [ 8151.466456][ T1167] netlink_unicast+0x449/0x710 [ 8151.466456][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8151.466456][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8151.466456][ T1167] ___sys_sendmsg+0xee/0x170 [ 8151.466456][ T1167] __sys_sendmsg+0xcd/0x170 [ 8151.466456][ T1167] do_syscall_64+0xc6/0x1e0 [ 8151.466456][ T1167] [ 8151.468676][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8151.468676][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8151.468676][ T1167] ipv6_find_idev+0x102/0x170 [ 8151.468676][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8151.468676][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8151.468676][ T1167] netlink_rcv_skb+0x130/0x360 [ 8151.468676][ T1167] netlink_unicast+0x449/0x710 [ 8151.468676][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8151.468676][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8151.468676][ T1167] ___sys_sendmsg+0xee/0x170 [ 8151.468676][ T1167] __sys_sendmsg+0xcd/0x170 [ 8151.468676][ T1167] do_syscall_64+0xc6/0x1e0 [ 8151.468676][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8151.468676][ T1167] [ 8151.470425][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8151.470425][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8151.470425][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8151.470425][ T1167] ipv6_find_idev+0x102/0x170 [ 8151.470425][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8151.470425][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8151.470425][ T1167] netlink_rcv_skb+0x130/0x360 [ 8151.470425][ T1167] netlink_unicast+0x449/0x710 [ 8151.470425][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8151.470425][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8151.470425][ T1167] ___sys_sendmsg+0xee/0x170 [ 8151.470425][ T1167] __sys_sendmsg+0xcd/0x170 [ 8151.470425][ T1167] do_syscall_64+0xc6/0x1e0 [ 8151.470425][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8151.470425][ T1167] [ 8161.585118][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8161.585469][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8161.585469][ T10] netdev_get_by_index+0x5e/0x80 [ 8161.585469][ T10] fib6_nh_init+0x3d8/0x1580 [ 8161.585469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8161.585469][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8161.585469][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8161.585469][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8161.585469][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8161.585469][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8161.585469][ T10] addrconf_dad_begin+0x310/0x670 [ 8161.585469][ T10] addrconf_dad_work+0x10b/0xab0 [ 8161.585469][ T10] process_one_work+0x84d/0x18a0 [ 8161.585469][ T10] worker_thread+0x587/0xd30 [ 8161.585469][ T10] kthread+0x28a/0x350 [ 8161.585469][ T10] ret_from_fork+0x31/0x70 [ 8161.585469][ T10] ret_from_fork_asm+0x1a/0x30 [ 8161.585469][ T10] [ 8161.587393][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8161.587393][ T10] netdev_get_by_index+0x5e/0x80 [ 8161.587393][ T10] fib6_nh_init+0x3d8/0x1580 [ 8161.587393][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8161.587393][ T10] ip6_route_add+0x1c/0x140 [ 8161.587393][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8161.587393][ T10] inet6_addr_add+0x4f8/0xa40 [ 8161.587393][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8161.587393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8161.587393][ T10] netlink_rcv_skb+0x130/0x360 [ 8161.587393][ T10] netlink_unicast+0x449/0x710 [ 8161.587393][ T10] netlink_sendmsg+0x723/0xbe0 [ 8161.587393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8161.587393][ T10] ___sys_sendmsg+0xee/0x170 [ 8161.587393][ T10] __sys_sendmsg+0xcd/0x170 [ 8161.587393][ T10] do_syscall_64+0xc6/0x1e0 [ 8161.587393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8161.587393][ T10] [ 8161.589380][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8161.589380][ T10] netdev_get_by_index+0x5e/0x80 [ 8161.589380][ T10] fib6_nh_init+0x3d8/0x1580 [ 8161.589380][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8161.589380][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8161.589380][ T10] ipv6_add_addr+0x411/0x2000 [ 8161.589380][ T10] inet6_addr_add+0x30e/0xa40 [ 8161.589380][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8161.589380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8161.589380][ T10] netlink_rcv_skb+0x130/0x360 [ 8161.589380][ T10] netlink_unicast+0x449/0x710 [ 8161.589380][ T10] netlink_sendmsg+0x723/0xbe0 [ 8161.589380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8161.589380][ T10] ___sys_sendmsg+0xee/0x170 [ 8161.589380][ T10] __sys_sendmsg+0xcd/0x170 [ 8161.589380][ T10] do_syscall_64+0xc6/0x1e0 [ 8161.589380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8161.589380][ T10] [ 8161.591386][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8161.591386][ T10] netdev_get_by_index+0x5e/0x80 [ 8161.591386][ T10] fib6_nh_init+0x3d8/0x1580 [ 8161.591386][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8161.591386][ T10] ip6_route_add+0x1c/0x140 [ 8161.591386][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8161.591386][ T10] addrconf_add_dev+0xe2/0x170 [ 8161.591386][ T10] inet6_addr_add+0x12f/0xa40 [ 8161.591386][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8161.591386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8161.591386][ T10] netlink_rcv_skb+0x130/0x360 [ 8161.591386][ T10] netlink_unicast+0x449/0x710 [ 8161.591386][ T10] netlink_sendmsg+0x723/0xbe0 [ 8161.591386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8161.591386][ T10] ___sys_sendmsg+0xee/0x170 [ 8161.591386][ T10] __sys_sendmsg+0xcd/0x170 [ 8161.591386][ T10] do_syscall_64+0xc6/0x1e0 [ 8161.591386][ T10] [ 8161.593339][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8161.593339][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8161.593339][ T10] ipv6_find_idev+0x102/0x170 [ 8161.593339][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8161.593339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8161.593339][ T10] netlink_rcv_skb+0x130/0x360 [ 8161.593339][ T10] netlink_unicast+0x449/0x710 [ 8161.593339][ T10] netlink_sendmsg+0x723/0xbe0 [ 8161.593339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8161.593339][ T10] ___sys_sendmsg+0xee/0x170 [ 8161.593339][ T10] __sys_sendmsg+0xcd/0x170 [ 8161.593339][ T10] do_syscall_64+0xc6/0x1e0 [ 8161.593339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8161.593339][ T10] [ 8161.594868][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8161.594868][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8161.594868][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8161.594868][ T10] ipv6_find_idev+0x102/0x170 [ 8161.594868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8161.594868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8161.594868][ T10] netlink_rcv_skb+0x130/0x360 [ 8161.594868][ T10] netlink_unicast+0x449/0x710 [ 8161.594868][ T10] netlink_sendmsg+0x723/0xbe0 [ 8161.594868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8161.594868][ T10] ___sys_sendmsg+0xee/0x170 [ 8161.594868][ T10] __sys_sendmsg+0xcd/0x170 [ 8161.594868][ T10] do_syscall_64+0xc6/0x1e0 [ 8161.594868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8161.594868][ T10] [ 8161.596555][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8161.596794][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8161.596794][ T10] netdev_get_by_index+0x5e/0x80 [ 8161.596794][ T10] fib6_nh_init+0x3d8/0x1580 [ 8161.596794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8161.596794][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8161.596794][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8161.596794][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8161.596794][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8161.596794][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8161.596794][ T10] addrconf_dad_begin+0x310/0x670 [ 8161.596794][ T10] addrconf_dad_work+0x10b/0xab0 [ 8161.596794][ T10] process_one_work+0x84d/0x18a0 [ 8161.596794][ T10] worker_thread+0x587/0xd30 [ 8161.596794][ T10] kthread+0x28a/0x350 [ 8161.596794][ T10] ret_from_fork+0x31/0x70 [ 8161.596794][ T10] ret_from_fork_asm+0x1a/0x30 [ 8161.596794][ T10] [ 8161.598718][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8161.598718][ T10] netdev_get_by_index+0x5e/0x80 [ 8161.598718][ T10] fib6_nh_init+0x3d8/0x1580 [ 8161.598718][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8161.598718][ T10] ip6_route_add+0x1c/0x140 [ 8161.598718][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8161.598718][ T10] inet6_addr_add+0x4f8/0xa40 [ 8161.598718][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8161.598718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8161.598718][ T10] netlink_rcv_skb+0x130/0x360 [ 8161.598718][ T10] netlink_unicast+0x449/0x710 [ 8161.598718][ T10] netlink_sendmsg+0x723/0xbe0 [ 8161.598718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8161.598718][ T10] ___sys_sendmsg+0xee/0x170 [ 8161.598718][ T10] __sys_sendmsg+0xcd/0x170 [ 8161.598718][ T10] do_syscall_64+0xc6/0x1e0 [ 8161.598718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8161.598718][ T10] [ 8161.600715][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8161.600715][ T10] netdev_get_by_index+0x5e/0x80 [ 8161.600715][ T10] fib6_nh_init+0x3d8/0x1580 [ 8161.600715][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8161.600715][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8161.600715][ T10] ipv6_add_addr+0x411/0x2000 [ 8161.600715][ T10] inet6_addr_add+0x30e/0xa40 [ 8161.600715][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8161.600715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8161.600715][ T10] netlink_rcv_skb+0x130/0x360 [ 8161.600715][ T10] netlink_unicast+0x449/0x710 [ 8161.600715][ T10] netlink_sendmsg+0x723/0xbe0 [ 8161.600715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8161.600715][ T10] ___sys_sendmsg+0xee/0x170 [ 8161.600715][ T10] __sys_sendmsg+0xcd/0x170 [ 8161.600715][ T10] do_syscall_64+0xc6/0x1e0 [ 8161.600715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8161.600715][ T10] [ 8161.602697][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8161.602697][ T10] netdev_get_by_index+0x5e/0x80 [ 8161.602697][ T10] fib6_nh_init+0x3d8/0x1580 [ 8161.602697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8161.602697][ T10] ip6_route_add+0x1c/0x140 [ 8161.602697][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8161.602697][ T10] addrconf_add_dev+0xe2/0x170 [ 8161.602697][ T10] inet6_addr_add+0x12f/0xa40 [ 8161.602697][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8161.602697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8161.602697][ T10] netlink_rcv_skb+0x130/0x360 [ 8161.602697][ T10] netlink_unicast+0x449/0x710 [ 8161.602697][ T10] netlink_sendmsg+0x723/0xbe0 [ 8161.602697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8161.602697][ T10] ___sys_sendmsg+0xee/0x170 [ 8161.602697][ T10] __sys_sendmsg+0xcd/0x170 [ 8161.602697][ T10] do_syscall_64+0xc6/0x1e0 [ 8161.602697][ T10] [ 8161.604658][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8161.604658][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8161.604658][ T10] ipv6_find_idev+0x102/0x170 [ 8161.604658][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8161.604658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8161.604658][ T10] netlink_rcv_skb+0x130/0x360 [ 8161.604658][ T10] netlink_unicast+0x449/0x710 [ 8161.604658][ T10] netlink_sendmsg+0x723/0xbe0 [ 8161.604658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8161.604658][ T10] ___sys_sendmsg+0xee/0x170 [ 8161.604658][ T10] __sys_sendmsg+0xcd/0x170 [ 8161.604658][ T10] do_syscall_64+0xc6/0x1e0 [ 8161.604658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8161.604658][ T10] [ 8161.606189][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8161.606189][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8161.606189][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8161.606189][ T10] ipv6_find_idev+0x102/0x170 [ 8161.606189][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8161.606189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8161.606189][ T10] netlink_rcv_skb+0x130/0x360 [ 8161.606189][ T10] netlink_unicast+0x449/0x710 [ 8161.606189][ T10] netlink_sendmsg+0x723/0xbe0 [ 8161.606189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8161.606189][ T10] ___sys_sendmsg+0xee/0x170 [ 8161.606189][ T10] __sys_sendmsg+0xcd/0x170 [ 8161.606189][ T10] do_syscall_64+0xc6/0x1e0 [ 8161.606189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8161.606189][ T10] [ 8161.607866][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8161.608114][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8161.608114][ T10] netdev_get_by_index+0x5e/0x80 [ 8161.608114][ T10] fib6_nh_init+0x3d8/0x1580 [ 8161.608114][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8161.608114][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8161.608114][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8161.608114][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8161.608114][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8161.608114][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8161.608114][ T10] addrconf_dad_begin+0x310/0x670 [ 8161.608114][ T10] addrconf_dad_work+0x10b/0xab0 [ 8161.608114][ T10] process_one_work+0x84d/0x18a0 [ 8161.608114][ T10] worker_thread+0x587/0xd30 [ 8161.608114][ T10] kthread+0x28a/0x350 [ 8161.608114][ T10] ret_from_fork+0x31/0x70 [ 8161.608114][ T10] ret_from_fork_asm+0x1a/0x30 [ 8161.608114][ T10] [ 8161.610017][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8161.610017][ T10] netdev_get_by_index+0x5e/0x80 [ 8161.610017][ T10] fib6_nh_init+0x3d8/0x1580 [ 8161.610017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8161.610017][ T10] ip6_route_add+0x1c/0x140 [ 8161.610017][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8161.610017][ T10] inet6_addr_add+0x4f8/0xa40 [ 8161.610017][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8161.610017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8161.610017][ T10] netlink_rcv_skb+0x130/0x360 [ 8161.610017][ T10] netlink_unicast+0x449/0x710 [ 8161.610017][ T10] netlink_sendmsg+0x723/0xbe0 [ 8161.610017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8161.610017][ T10] ___sys_sendmsg+0xee/0x170 [ 8161.610017][ T10] __sys_sendmsg+0xcd/0x170 [ 8161.610017][ T10] do_syscall_64+0xc6/0x1e0 [ 8161.610017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8161.610017][ T10] [ 8161.612247][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8161.612247][ T10] netdev_get_by_index+0x5e/0x80 [ 8161.612247][ T10] fib6_nh_init+0x3d8/0x1580 [ 8161.612247][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8161.612247][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8161.612247][ T10] ipv6_add_addr+0x411/0x2000 [ 8161.612247][ T10] inet6_addr_add+0x30e/0xa40 [ 8161.612247][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8161.612247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8161.612247][ T10] netlink_rcv_skb+0x130/0x360 [ 8161.612247][ T10] netlink_unicast+0x449/0x710 [ 8161.612247][ T10] netlink_sendmsg+0x723/0xbe0 [ 8161.612247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8161.612247][ T10] ___sys_sendmsg+0xee/0x170 [ 8161.612247][ T10] __sys_sendmsg+0xcd/0x170 [ 8161.612247][ T10] do_syscall_64+0xc6/0x1e0 [ 8161.612247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8161.612247][ T10] [ 8161.614402][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8161.614402][ T10] netdev_get_by_index+0x5e/0x80 [ 8161.614402][ T10] fib6_nh_init+0x3d8/0x1580 [ 8161.614402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8161.614402][ T10] ip6_route_add+0x1c/0x140 [ 8161.614402][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8161.614402][ T10] addrconf_add_dev+0xe2/0x170 [ 8161.614402][ T10] inet6_addr_add+0x12f/0xa40 [ 8161.614402][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8161.614402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8161.614402][ T10] netlink_rcv_skb+0x130/0x360 [ 8161.614402][ T10] netlink_unicast+0x449/0x710 [ 8161.614402][ T10] netlink_sendmsg+0x723/0xbe0 [ 8161.614402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8161.614402][ T10] ___sys_sendmsg+0xee/0x170 [ 8161.614402][ T10] __sys_sendmsg+0xcd/0x170 [ 8161.614402][ T10] do_syscall_64+0xc6/0x1e0 [ 8161.614402][ T10] [ 8161.616586][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8161.616586][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8161.616586][ T10] ipv6_find_idev+0x102/0x170 [ 8161.616586][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8161.616586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8161.616586][ T10] netlink_rcv_skb+0x130/0x360 [ 8161.616586][ T10] netlink_unicast+0x449/0x710 [ 8161.616586][ T10] netlink_sendmsg+0x723/0xbe0 [ 8161.616586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8161.616586][ T10] ___sys_sendmsg+0xee/0x170 [ 8161.616586][ T10] __sys_sendmsg+0xcd/0x170 [ 8161.616586][ T10] do_syscall_64+0xc6/0x1e0 [ 8161.616586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8161.616586][ T10] [ 8161.618289][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8161.618289][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8161.618289][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8161.618289][ T10] ipv6_find_idev+0x102/0x170 [ 8161.618289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8161.618289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8161.618289][ T10] netlink_rcv_skb+0x130/0x360 [ 8161.618289][ T10] netlink_unicast+0x449/0x710 [ 8161.618289][ T10] netlink_sendmsg+0x723/0xbe0 [ 8161.618289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8161.618289][ T10] ___sys_sendmsg+0xee/0x170 [ 8161.618289][ T10] __sys_sendmsg+0xcd/0x170 [ 8161.618289][ T10] do_syscall_64+0xc6/0x1e0 [ 8161.618289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8161.618289][ T10] [ 8161.620209][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8161.620511][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8161.620511][ T10] netdev_get_by_index+0x5e/0x80 [ 8161.620511][ T10] fib6_nh_init+0x3d8/0x1580 [ 8161.620511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8161.620511][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8161.620511][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8161.620511][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8161.620511][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8161.620511][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8161.620511][ T10] addrconf_dad_begin+0x310/0x670 [ 8161.620511][ T10] addrconf_dad_work+0x10b/0xab0 [ 8161.620511][ T10] process_one_work+0x84d/0x18a0 [ 8161.620511][ T10] worker_thread+0x587/0xd30 [ 8161.620511][ T10] kthread+0x28a/0x350 [ 8161.620511][ T10] ret_from_fork+0x31/0x70 [ 8161.620511][ T10] ret_from_fork_asm+0x1a/0x30 [ 8161.620511][ T10] [ 8161.622523][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8161.622523][ T10] netdev_get_by_index+0x5e/0x80 [ 8161.622523][ T10] fib6_nh_init+0x3d8/0x1580 [ 8161.622523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8161.622523][ T10] ip6_route_add+0x1c/0x140 [ 8161.622523][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8161.622523][ T10] inet6_addr_add+0x4f8/0xa40 [ 8161.622523][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8161.622523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8161.622523][ T10] netlink_rcv_skb+0x130/0x360 [ 8161.622523][ T10] netlink_unicast+0x449/0x710 [ 8161.622523][ T10] netlink_sendmsg+0x723/0xbe0 [ 8161.622523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8161.622523][ T10] ___sys_sendmsg+0xee/0x170 [ 8161.622523][ T10] __sys_sendmsg+0xcd/0x170 [ 8161.622523][ T10] do_syscall_64+0xc6/0x1e0 [ 8161.622523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8161.622523][ T10] [ 8161.624745][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8161.624745][ T10] netdev_get_by_index+0x5e/0x80 [ 8161.624745][ T10] fib6_nh_init+0x3d8/0x1580 [ 8161.624745][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8161.624745][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8161.624745][ T10] ipv6_add_addr+0x411/0x2000 [ 8161.624745][ T10] inet6_addr_add+0x30e/0xa40 [ 8161.624745][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8161.624745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8161.624745][ T10] netlink_rcv_skb+0x130/0x360 [ 8161.624745][ T10] netlink_unicast+0x449/0x710 [ 8161.624745][ T10] netlink_sendmsg+0x723/0xbe0 [ 8161.624745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8161.624745][ T10] ___sys_sendmsg+0xee/0x170 [ 8161.624745][ T10] __sys_sendmsg+0xcd/0x170 [ 8161.624745][ T10] do_syscall_64+0xc6/0x1e0 [ 8161.624745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8161.624745][ T10] [ 8161.626982][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8161.626982][ T10] netdev_get_by_index+0x5e/0x80 [ 8161.626982][ T10] fib6_nh_init+0x3d8/0x1580 [ 8161.626982][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8161.626982][ T10] ip6_route_add+0x1c/0x140 [ 8161.626982][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8161.626982][ T10] addrconf_add_dev+0xe2/0x170 [ 8161.626982][ T10] inet6_addr_add+0x12f/0xa40 [ 8161.626982][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8161.626982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8161.626982][ T10] netlink_rcv_skb+0x130/0x360 [ 8161.626982][ T10] netlink_unicast+0x449/0x710 [ 8161.626982][ T10] netlink_sendmsg+0x723/0xbe0 [ 8161.626982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8161.626982][ T10] ___sys_sendmsg+0xee/0x170 [ 8161.626982][ T10] __sys_sendmsg+0xcd/0x170 [ 8161.626982][ T10] do_syscall_64+0xc6/0x1e0 [ 8161.626982][ T10] [ 8161.629239][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8161.629239][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8161.629239][ T10] ipv6_find_idev+0x102/0x170 [ 8161.629239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8161.629239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8161.629239][ T10] netlink_rcv_skb+0x130/0x360 [ 8161.629239][ T10] netlink_unicast+0x449/0x710 [ 8161.629239][ T10] netlink_sendmsg+0x723/0xbe0 [ 8161.629239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8161.629239][ T10] ___sys_sendmsg+0xee/0x170 [ 8161.629239][ T10] __sys_sendmsg+0xcd/0x170 [ 8161.629239][ T10] do_syscall_64+0xc6/0x1e0 [ 8161.629239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8161.629239][ T10] [ 8161.630967][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8161.630967][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8161.630967][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8161.630967][ T10] ipv6_find_idev+0x102/0x170 [ 8161.630967][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8161.630967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8161.630967][ T10] netlink_rcv_skb+0x130/0x360 [ 8161.630967][ T10] netlink_unicast+0x449/0x710 [ 8161.630967][ T10] netlink_sendmsg+0x723/0xbe0 [ 8161.630967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8161.630967][ T10] ___sys_sendmsg+0xee/0x170 [ 8161.630967][ T10] __sys_sendmsg+0xcd/0x170 [ 8161.630967][ T10] do_syscall_64+0xc6/0x1e0 [ 8161.630967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8161.630967][ T10] [ 8161.713102][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8161.713461][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8161.713461][ T1167] dst_init+0x84/0x4a0 [ 8161.713461][ T1167] dst_alloc+0x97/0x150 [ 8161.713461][ T1167] ip6_dst_alloc+0x23/0x90 [ 8161.713461][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8161.713461][ T1167] ip6_pol_route+0x56f/0x840 [ 8161.713461][ T1167] fib6_rule_lookup+0x334/0x630 [ 8161.713461][ T1167] ip6_route_output_flags+0x259/0x480 [ 8161.713461][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8161.713461][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8161.713461][ T1167] netlink_rcv_skb+0x130/0x360 [ 8161.713461][ T1167] netlink_unicast+0x449/0x710 [ 8161.713461][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8161.713461][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8161.713461][ T1167] ___sys_sendmsg+0xee/0x170 [ 8161.713461][ T1167] __sys_sendmsg+0xcd/0x170 [ 8161.713461][ T1167] do_syscall_64+0xc6/0x1e0 [ 8161.713461][ T1167] [ 8161.715665][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8161.715665][ T1167] netdev_get_by_index+0x5e/0x80 [ 8161.715665][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8161.715665][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8161.715665][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8161.715665][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8161.715665][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8161.715665][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8161.715665][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8161.715665][ T1167] addrconf_dad_begin+0x310/0x670 [ 8161.715665][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8161.715665][ T1167] process_one_work+0x84d/0x18a0 [ 8161.715665][ T1167] worker_thread+0x587/0xd30 [ 8161.715665][ T1167] kthread+0x28a/0x350 [ 8161.715665][ T1167] ret_from_fork+0x31/0x70 [ 8161.715665][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8161.715665][ T1167] [ 8161.717824][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8161.717824][ T1167] netdev_get_by_index+0x5e/0x80 [ 8161.717824][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8161.717824][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8161.717824][ T1167] ip6_route_add+0x1c/0x140 [ 8161.717824][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8161.717824][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8161.717824][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8161.717824][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8161.717824][ T1167] netlink_rcv_skb+0x130/0x360 [ 8161.717824][ T1167] netlink_unicast+0x449/0x710 [ 8161.717824][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8161.717824][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8161.717824][ T1167] ___sys_sendmsg+0xee/0x170 [ 8161.717824][ T1167] __sys_sendmsg+0xcd/0x170 [ 8161.717824][ T1167] do_syscall_64+0xc6/0x1e0 [ 8161.717824][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8161.717824][ T1167] [ 8161.720100][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8161.720100][ T1167] netdev_get_by_index+0x5e/0x80 [ 8161.720100][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8161.720100][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8161.720100][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8161.720100][ T1167] ipv6_add_addr+0x411/0x2000 [ 8161.720100][ T1167] inet6_addr_add+0x30e/0xa40 [ 8161.720100][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8161.720100][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8161.720100][ T1167] netlink_rcv_skb+0x130/0x360 [ 8161.720100][ T1167] netlink_unicast+0x449/0x710 [ 8161.720100][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8161.720100][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8161.720100][ T1167] ___sys_sendmsg+0xee/0x170 [ 8161.720100][ T1167] __sys_sendmsg+0xcd/0x170 [ 8161.720100][ T1167] do_syscall_64+0xc6/0x1e0 [ 8161.720100][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8161.720100][ T1167] [ 8161.722353][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8161.722353][ T1167] netdev_get_by_index+0x5e/0x80 [ 8161.722353][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8161.722353][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8161.722353][ T1167] ip6_route_add+0x1c/0x140 [ 8161.722353][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8161.722353][ T1167] addrconf_add_dev+0xe2/0x170 [ 8161.722353][ T1167] inet6_addr_add+0x12f/0xa40 [ 8161.722353][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8161.722353][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8161.722353][ T1167] netlink_rcv_skb+0x130/0x360 [ 8161.722353][ T1167] netlink_unicast+0x449/0x710 [ 8161.722353][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8161.722353][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8161.722353][ T1167] ___sys_sendmsg+0xee/0x170 [ 8161.722353][ T1167] __sys_sendmsg+0xcd/0x170 [ 8161.722353][ T1167] do_syscall_64+0xc6/0x1e0 [ 8161.722353][ T1167] [ 8161.725096][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8161.725096][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8161.725096][ T1167] ipv6_find_idev+0x102/0x170 [ 8161.725096][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8161.725096][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8161.725096][ T1167] netlink_rcv_skb+0x130/0x360 [ 8161.725096][ T1167] netlink_unicast+0x449/0x710 [ 8161.725096][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8161.725096][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8161.725096][ T1167] ___sys_sendmsg+0xee/0x170 [ 8161.725096][ T1167] __sys_sendmsg+0xcd/0x170 [ 8161.725096][ T1167] do_syscall_64+0xc6/0x1e0 [ 8161.725096][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8161.725096][ T1167] [ 8161.726836][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8161.726836][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8161.726836][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8161.726836][ T1167] ipv6_find_idev+0x102/0x170 [ 8161.726836][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8161.726836][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8161.726836][ T1167] netlink_rcv_skb+0x130/0x360 [ 8161.726836][ T1167] netlink_unicast+0x449/0x710 [ 8161.726836][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8161.726836][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8161.726836][ T1167] ___sys_sendmsg+0xee/0x170 [ 8161.726836][ T1167] __sys_sendmsg+0xcd/0x170 [ 8161.726836][ T1167] do_syscall_64+0xc6/0x1e0 [ 8161.726836][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8161.726836][ T1167] [ 8171.889125][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8171.889483][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8171.889483][ T10] netdev_get_by_index+0x5e/0x80 [ 8171.889483][ T10] fib6_nh_init+0x3d8/0x1580 [ 8171.889483][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8171.889483][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8171.889483][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8171.889483][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8171.889483][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8171.889483][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8171.889483][ T10] addrconf_dad_begin+0x310/0x670 [ 8171.889483][ T10] addrconf_dad_work+0x10b/0xab0 [ 8171.889483][ T10] process_one_work+0x84d/0x18a0 [ 8171.889483][ T10] worker_thread+0x587/0xd30 [ 8171.889483][ T10] kthread+0x28a/0x350 [ 8171.889483][ T10] ret_from_fork+0x31/0x70 [ 8171.889483][ T10] ret_from_fork_asm+0x1a/0x30 [ 8171.889483][ T10] [ 8171.891432][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8171.891432][ T10] netdev_get_by_index+0x5e/0x80 [ 8171.891432][ T10] fib6_nh_init+0x3d8/0x1580 [ 8171.891432][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8171.891432][ T10] ip6_route_add+0x1c/0x140 [ 8171.891432][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8171.891432][ T10] inet6_addr_add+0x4f8/0xa40 [ 8171.891432][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8171.891432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8171.891432][ T10] netlink_rcv_skb+0x130/0x360 [ 8171.891432][ T10] netlink_unicast+0x449/0x710 [ 8171.891432][ T10] netlink_sendmsg+0x723/0xbe0 [ 8171.891432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8171.891432][ T10] ___sys_sendmsg+0xee/0x170 [ 8171.891432][ T10] __sys_sendmsg+0xcd/0x170 [ 8171.891432][ T10] do_syscall_64+0xc6/0x1e0 [ 8171.891432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8171.891432][ T10] [ 8171.893429][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8171.893429][ T10] netdev_get_by_index+0x5e/0x80 [ 8171.893429][ T10] fib6_nh_init+0x3d8/0x1580 [ 8171.893429][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8171.893429][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8171.893429][ T10] ipv6_add_addr+0x411/0x2000 [ 8171.893429][ T10] inet6_addr_add+0x30e/0xa40 [ 8171.893429][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8171.893429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8171.893429][ T10] netlink_rcv_skb+0x130/0x360 [ 8171.893429][ T10] netlink_unicast+0x449/0x710 [ 8171.893429][ T10] netlink_sendmsg+0x723/0xbe0 [ 8171.893429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8171.893429][ T10] ___sys_sendmsg+0xee/0x170 [ 8171.893429][ T10] __sys_sendmsg+0xcd/0x170 [ 8171.893429][ T10] do_syscall_64+0xc6/0x1e0 [ 8171.893429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8171.893429][ T10] [ 8171.895441][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8171.895441][ T10] netdev_get_by_index+0x5e/0x80 [ 8171.895441][ T10] fib6_nh_init+0x3d8/0x1580 [ 8171.895441][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8171.895441][ T10] ip6_route_add+0x1c/0x140 [ 8171.895441][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8171.895441][ T10] addrconf_add_dev+0xe2/0x170 [ 8171.895441][ T10] inet6_addr_add+0x12f/0xa40 [ 8171.895441][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8171.895441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8171.895441][ T10] netlink_rcv_skb+0x130/0x360 [ 8171.895441][ T10] netlink_unicast+0x449/0x710 [ 8171.895441][ T10] netlink_sendmsg+0x723/0xbe0 [ 8171.895441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8171.895441][ T10] ___sys_sendmsg+0xee/0x170 [ 8171.895441][ T10] __sys_sendmsg+0xcd/0x170 [ 8171.895441][ T10] do_syscall_64+0xc6/0x1e0 [ 8171.895441][ T10] [ 8171.897396][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8171.897396][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8171.897396][ T10] ipv6_find_idev+0x102/0x170 [ 8171.897396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8171.897396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8171.897396][ T10] netlink_rcv_skb+0x130/0x360 [ 8171.897396][ T10] netlink_unicast+0x449/0x710 [ 8171.897396][ T10] netlink_sendmsg+0x723/0xbe0 [ 8171.897396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8171.897396][ T10] ___sys_sendmsg+0xee/0x170 [ 8171.897396][ T10] __sys_sendmsg+0xcd/0x170 [ 8171.897396][ T10] do_syscall_64+0xc6/0x1e0 [ 8171.897396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8171.897396][ T10] [ 8171.898933][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8171.898933][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8171.898933][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8171.898933][ T10] ipv6_find_idev+0x102/0x170 [ 8171.898933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8171.898933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8171.898933][ T10] netlink_rcv_skb+0x130/0x360 [ 8171.898933][ T10] netlink_unicast+0x449/0x710 [ 8171.898933][ T10] netlink_sendmsg+0x723/0xbe0 [ 8171.898933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8171.898933][ T10] ___sys_sendmsg+0xee/0x170 [ 8171.898933][ T10] __sys_sendmsg+0xcd/0x170 [ 8171.898933][ T10] do_syscall_64+0xc6/0x1e0 [ 8171.898933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8171.898933][ T10] [ 8171.900624][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8171.900867][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8171.900867][ T10] netdev_get_by_index+0x5e/0x80 [ 8171.900867][ T10] fib6_nh_init+0x3d8/0x1580 [ 8171.900867][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8171.900867][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8171.900867][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8171.900867][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8171.900867][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8171.900867][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8171.900867][ T10] addrconf_dad_begin+0x310/0x670 [ 8171.900867][ T10] addrconf_dad_work+0x10b/0xab0 [ 8171.900867][ T10] process_one_work+0x84d/0x18a0 [ 8171.900867][ T10] worker_thread+0x587/0xd30 [ 8171.900867][ T10] kthread+0x28a/0x350 [ 8171.900867][ T10] ret_from_fork+0x31/0x70 [ 8171.900867][ T10] ret_from_fork_asm+0x1a/0x30 [ 8171.900867][ T10] [ 8171.902764][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8171.902764][ T10] netdev_get_by_index+0x5e/0x80 [ 8171.902764][ T10] fib6_nh_init+0x3d8/0x1580 [ 8171.902764][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8171.902764][ T10] ip6_route_add+0x1c/0x140 [ 8171.902764][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8171.902764][ T10] inet6_addr_add+0x4f8/0xa40 [ 8171.902764][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8171.902764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8171.902764][ T10] netlink_rcv_skb+0x130/0x360 [ 8171.902764][ T10] netlink_unicast+0x449/0x710 [ 8171.902764][ T10] netlink_sendmsg+0x723/0xbe0 [ 8171.902764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8171.902764][ T10] ___sys_sendmsg+0xee/0x170 [ 8171.902764][ T10] __sys_sendmsg+0xcd/0x170 [ 8171.902764][ T10] do_syscall_64+0xc6/0x1e0 [ 8171.902764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8171.902764][ T10] [ 8171.904738][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8171.904738][ T10] netdev_get_by_index+0x5e/0x80 [ 8171.904738][ T10] fib6_nh_init+0x3d8/0x1580 [ 8171.904738][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8171.904738][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8171.904738][ T10] ipv6_add_addr+0x411/0x2000 [ 8171.904738][ T10] inet6_addr_add+0x30e/0xa40 [ 8171.904738][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8171.904738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8171.904738][ T10] netlink_rcv_skb+0x130/0x360 [ 8171.904738][ T10] netlink_unicast+0x449/0x710 [ 8171.904738][ T10] netlink_sendmsg+0x723/0xbe0 [ 8171.904738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8171.904738][ T10] ___sys_sendmsg+0xee/0x170 [ 8171.904738][ T10] __sys_sendmsg+0xcd/0x170 [ 8171.904738][ T10] do_syscall_64+0xc6/0x1e0 [ 8171.904738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8171.904738][ T10] [ 8171.906727][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8171.906727][ T10] netdev_get_by_index+0x5e/0x80 [ 8171.906727][ T10] fib6_nh_init+0x3d8/0x1580 [ 8171.906727][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8171.906727][ T10] ip6_route_add+0x1c/0x140 [ 8171.906727][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8171.906727][ T10] addrconf_add_dev+0xe2/0x170 [ 8171.906727][ T10] inet6_addr_add+0x12f/0xa40 [ 8171.906727][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8171.906727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8171.906727][ T10] netlink_rcv_skb+0x130/0x360 [ 8171.906727][ T10] netlink_unicast+0x449/0x710 [ 8171.906727][ T10] netlink_sendmsg+0x723/0xbe0 [ 8171.906727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8171.906727][ T10] ___sys_sendmsg+0xee/0x170 [ 8171.906727][ T10] __sys_sendmsg+0xcd/0x170 [ 8171.906727][ T10] do_syscall_64+0xc6/0x1e0 [ 8171.906727][ T10] [ 8171.908681][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8171.908681][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8171.908681][ T10] ipv6_find_idev+0x102/0x170 [ 8171.908681][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8171.908681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8171.908681][ T10] netlink_rcv_skb+0x130/0x360 [ 8171.908681][ T10] netlink_unicast+0x449/0x710 [ 8171.908681][ T10] netlink_sendmsg+0x723/0xbe0 [ 8171.908681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8171.908681][ T10] ___sys_sendmsg+0xee/0x170 [ 8171.908681][ T10] __sys_sendmsg+0xcd/0x170 [ 8171.908681][ T10] do_syscall_64+0xc6/0x1e0 [ 8171.908681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8171.908681][ T10] [ 8171.910214][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8171.910214][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8171.910214][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8171.910214][ T10] ipv6_find_idev+0x102/0x170 [ 8171.910214][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8171.910214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8171.910214][ T10] netlink_rcv_skb+0x130/0x360 [ 8171.910214][ T10] netlink_unicast+0x449/0x710 [ 8171.910214][ T10] netlink_sendmsg+0x723/0xbe0 [ 8171.910214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8171.910214][ T10] ___sys_sendmsg+0xee/0x170 [ 8171.910214][ T10] __sys_sendmsg+0xcd/0x170 [ 8171.910214][ T10] do_syscall_64+0xc6/0x1e0 [ 8171.910214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8171.910214][ T10] [ 8171.911882][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8171.912127][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8171.912127][ T10] netdev_get_by_index+0x5e/0x80 [ 8171.912127][ T10] fib6_nh_init+0x3d8/0x1580 [ 8171.912127][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8171.912127][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8171.912127][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8171.912127][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8171.912127][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8171.912127][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8171.912127][ T10] addrconf_dad_begin+0x310/0x670 [ 8171.912127][ T10] addrconf_dad_work+0x10b/0xab0 [ 8171.912127][ T10] process_one_work+0x84d/0x18a0 [ 8171.912127][ T10] worker_thread+0x587/0xd30 [ 8171.912127][ T10] kthread+0x28a/0x350 [ 8171.912127][ T10] ret_from_fork+0x31/0x70 [ 8171.912127][ T10] ret_from_fork_asm+0x1a/0x30 [ 8171.912127][ T10] [ 8171.914020][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8171.914020][ T10] netdev_get_by_index+0x5e/0x80 [ 8171.914020][ T10] fib6_nh_init+0x3d8/0x1580 [ 8171.914020][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8171.914020][ T10] ip6_route_add+0x1c/0x140 [ 8171.914020][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8171.914020][ T10] inet6_addr_add+0x4f8/0xa40 [ 8171.914020][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8171.914020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8171.914020][ T10] netlink_rcv_skb+0x130/0x360 [ 8171.914020][ T10] netlink_unicast+0x449/0x710 [ 8171.914020][ T10] netlink_sendmsg+0x723/0xbe0 [ 8171.914020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8171.914020][ T10] ___sys_sendmsg+0xee/0x170 [ 8171.914020][ T10] __sys_sendmsg+0xcd/0x170 [ 8171.914020][ T10] do_syscall_64+0xc6/0x1e0 [ 8171.914020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8171.914020][ T10] [ 8171.916184][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8171.916184][ T10] netdev_get_by_index+0x5e/0x80 [ 8171.916184][ T10] fib6_nh_init+0x3d8/0x1580 [ 8171.916184][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8171.916184][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8171.916184][ T10] ipv6_add_addr+0x411/0x2000 [ 8171.916184][ T10] inet6_addr_add+0x30e/0xa40 [ 8171.916184][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8171.916184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8171.916184][ T10] netlink_rcv_skb+0x130/0x360 [ 8171.916184][ T10] netlink_unicast+0x449/0x710 [ 8171.916184][ T10] netlink_sendmsg+0x723/0xbe0 [ 8171.916184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8171.916184][ T10] ___sys_sendmsg+0xee/0x170 [ 8171.916184][ T10] __sys_sendmsg+0xcd/0x170 [ 8171.916184][ T10] do_syscall_64+0xc6/0x1e0 [ 8171.916184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8171.916184][ T10] [ 8171.918407][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8171.918407][ T10] netdev_get_by_index+0x5e/0x80 [ 8171.918407][ T10] fib6_nh_init+0x3d8/0x1580 [ 8171.918407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8171.918407][ T10] ip6_route_add+0x1c/0x140 [ 8171.918407][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8171.918407][ T10] addrconf_add_dev+0xe2/0x170 [ 8171.918407][ T10] inet6_addr_add+0x12f/0xa40 [ 8171.918407][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8171.918407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8171.918407][ T10] netlink_rcv_skb+0x130/0x360 [ 8171.918407][ T10] netlink_unicast+0x449/0x710 [ 8171.918407][ T10] netlink_sendmsg+0x723/0xbe0 [ 8171.918407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8171.918407][ T10] ___sys_sendmsg+0xee/0x170 [ 8171.918407][ T10] __sys_sendmsg+0xcd/0x170 [ 8171.918407][ T10] do_syscall_64+0xc6/0x1e0 [ 8171.918407][ T10] [ 8171.920605][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8171.920605][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8171.920605][ T10] ipv6_find_idev+0x102/0x170 [ 8171.920605][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8171.920605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8171.920605][ T10] netlink_rcv_skb+0x130/0x360 [ 8171.920605][ T10] netlink_unicast+0x449/0x710 [ 8171.920605][ T10] netlink_sendmsg+0x723/0xbe0 [ 8171.920605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8171.920605][ T10] ___sys_sendmsg+0xee/0x170 [ 8171.920605][ T10] __sys_sendmsg+0xcd/0x170 [ 8171.920605][ T10] do_syscall_64+0xc6/0x1e0 [ 8171.920605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8171.920605][ T10] [ 8171.922262][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8171.922262][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8171.922262][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8171.922262][ T10] ipv6_find_idev+0x102/0x170 [ 8171.922262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8171.922262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8171.922262][ T10] netlink_rcv_skb+0x130/0x360 [ 8171.922262][ T10] netlink_unicast+0x449/0x710 [ 8171.922262][ T10] netlink_sendmsg+0x723/0xbe0 [ 8171.922262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8171.922262][ T10] ___sys_sendmsg+0xee/0x170 [ 8171.922262][ T10] __sys_sendmsg+0xcd/0x170 [ 8171.922262][ T10] do_syscall_64+0xc6/0x1e0 [ 8171.922262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8171.922262][ T10] [ 8171.924009][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8171.924242][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8171.924242][ T10] netdev_get_by_index+0x5e/0x80 [ 8171.924242][ T10] fib6_nh_init+0x3d8/0x1580 [ 8171.924242][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8171.924242][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8171.924242][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8171.924242][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8171.924242][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8171.924242][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8171.924242][ T10] addrconf_dad_begin+0x310/0x670 [ 8171.924242][ T10] addrconf_dad_work+0x10b/0xab0 [ 8171.924242][ T10] process_one_work+0x84d/0x18a0 [ 8171.924242][ T10] worker_thread+0x587/0xd30 [ 8171.924242][ T10] kthread+0x28a/0x350 [ 8171.924242][ T10] ret_from_fork+0x31/0x70 [ 8171.924242][ T10] ret_from_fork_asm+0x1a/0x30 [ 8171.924242][ T10] [ 8171.926266][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8171.926266][ T10] netdev_get_by_index+0x5e/0x80 [ 8171.926266][ T10] fib6_nh_init+0x3d8/0x1580 [ 8171.926266][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8171.926266][ T10] ip6_route_add+0x1c/0x140 [ 8171.926266][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8171.926266][ T10] inet6_addr_add+0x4f8/0xa40 [ 8171.926266][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8171.926266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8171.926266][ T10] netlink_rcv_skb+0x130/0x360 [ 8171.926266][ T10] netlink_unicast+0x449/0x710 [ 8171.926266][ T10] netlink_sendmsg+0x723/0xbe0 [ 8171.926266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8171.926266][ T10] ___sys_sendmsg+0xee/0x170 [ 8171.926266][ T10] __sys_sendmsg+0xcd/0x170 [ 8171.926266][ T10] do_syscall_64+0xc6/0x1e0 [ 8171.926266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8171.926266][ T10] [ 8171.928377][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8171.928377][ T10] netdev_get_by_index+0x5e/0x80 [ 8171.928377][ T10] fib6_nh_init+0x3d8/0x1580 [ 8171.928377][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8171.928377][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8171.928377][ T10] ipv6_add_addr+0x411/0x2000 [ 8171.928377][ T10] inet6_addr_add+0x30e/0xa40 [ 8171.928377][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8171.928377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8171.928377][ T10] netlink_rcv_skb+0x130/0x360 [ 8171.928377][ T10] netlink_unicast+0x449/0x710 [ 8171.928377][ T10] netlink_sendmsg+0x723/0xbe0 [ 8171.928377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8171.928377][ T10] ___sys_sendmsg+0xee/0x170 [ 8171.928377][ T10] __sys_sendmsg+0xcd/0x170 [ 8171.928377][ T10] do_syscall_64+0xc6/0x1e0 [ 8171.928377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8171.928377][ T10] [ 8171.930501][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8171.930501][ T10] netdev_get_by_index+0x5e/0x80 [ 8171.930501][ T10] fib6_nh_init+0x3d8/0x1580 [ 8171.930501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8171.930501][ T10] ip6_route_add+0x1c/0x140 [ 8171.930501][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8171.930501][ T10] addrconf_add_dev+0xe2/0x170 [ 8171.930501][ T10] inet6_addr_add+0x12f/0xa40 [ 8171.930501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8171.930501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8171.930501][ T10] netlink_rcv_skb+0x130/0x360 [ 8171.930501][ T10] netlink_unicast+0x449/0x710 [ 8171.930501][ T10] netlink_sendmsg+0x723/0xbe0 [ 8171.930501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8171.930501][ T10] ___sys_sendmsg+0xee/0x170 [ 8171.930501][ T10] __sys_sendmsg+0xcd/0x170 [ 8171.930501][ T10] do_syscall_64+0xc6/0x1e0 [ 8171.930501][ T10] [ 8171.932594][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8171.932594][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8171.932594][ T10] ipv6_find_idev+0x102/0x170 [ 8171.932594][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8171.932594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8171.932594][ T10] netlink_rcv_skb+0x130/0x360 [ 8171.932594][ T10] netlink_unicast+0x449/0x710 [ 8171.932594][ T10] netlink_sendmsg+0x723/0xbe0 [ 8171.932594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8171.932594][ T10] ___sys_sendmsg+0xee/0x170 [ 8171.932594][ T10] __sys_sendmsg+0xcd/0x170 [ 8171.932594][ T10] do_syscall_64+0xc6/0x1e0 [ 8171.932594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8171.932594][ T10] [ 8171.934180][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8171.934180][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8171.934180][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8171.934180][ T10] ipv6_find_idev+0x102/0x170 [ 8171.934180][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8171.934180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8171.934180][ T10] netlink_rcv_skb+0x130/0x360 [ 8171.934180][ T10] netlink_unicast+0x449/0x710 [ 8171.934180][ T10] netlink_sendmsg+0x723/0xbe0 [ 8171.934180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8171.934180][ T10] ___sys_sendmsg+0xee/0x170 [ 8171.934180][ T10] __sys_sendmsg+0xcd/0x170 [ 8171.934180][ T10] do_syscall_64+0xc6/0x1e0 [ 8171.934180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8171.934180][ T10] [ 8171.969128][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8171.969481][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8171.969481][ T1167] dst_init+0x84/0x4a0 [ 8171.969481][ T1167] dst_alloc+0x97/0x150 [ 8171.969481][ T1167] ip6_dst_alloc+0x23/0x90 [ 8171.969481][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8171.969481][ T1167] ip6_pol_route+0x56f/0x840 [ 8171.969481][ T1167] fib6_rule_lookup+0x334/0x630 [ 8171.969481][ T1167] ip6_route_output_flags+0x259/0x480 [ 8171.969481][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8171.969481][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8171.969481][ T1167] netlink_rcv_skb+0x130/0x360 [ 8171.969481][ T1167] netlink_unicast+0x449/0x710 [ 8171.969481][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8171.969481][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8171.969481][ T1167] ___sys_sendmsg+0xee/0x170 [ 8171.969481][ T1167] __sys_sendmsg+0xcd/0x170 [ 8171.969481][ T1167] do_syscall_64+0xc6/0x1e0 [ 8171.969481][ T1167] [ 8171.971694][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8171.971694][ T1167] netdev_get_by_index+0x5e/0x80 [ 8171.971694][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8171.971694][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8171.971694][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8171.971694][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8171.971694][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8171.971694][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8171.971694][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8171.971694][ T1167] addrconf_dad_begin+0x310/0x670 [ 8171.971694][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8171.971694][ T1167] process_one_work+0x84d/0x18a0 [ 8171.971694][ T1167] worker_thread+0x587/0xd30 [ 8171.971694][ T1167] kthread+0x28a/0x350 [ 8171.971694][ T1167] ret_from_fork+0x31/0x70 [ 8171.971694][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8171.971694][ T1167] [ 8171.973849][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8171.973849][ T1167] netdev_get_by_index+0x5e/0x80 [ 8171.973849][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8171.973849][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8171.973849][ T1167] ip6_route_add+0x1c/0x140 [ 8171.973849][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8171.973849][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8171.973849][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8171.973849][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8171.973849][ T1167] netlink_rcv_skb+0x130/0x360 [ 8171.973849][ T1167] netlink_unicast+0x449/0x710 [ 8171.973849][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8171.973849][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8171.973849][ T1167] ___sys_sendmsg+0xee/0x170 [ 8171.973849][ T1167] __sys_sendmsg+0xcd/0x170 [ 8171.973849][ T1167] do_syscall_64+0xc6/0x1e0 [ 8171.973849][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8171.973849][ T1167] [ 8171.976102][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8171.976102][ T1167] netdev_get_by_index+0x5e/0x80 [ 8171.976102][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8171.976102][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8171.976102][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8171.976102][ T1167] ipv6_add_addr+0x411/0x2000 [ 8171.976102][ T1167] inet6_addr_add+0x30e/0xa40 [ 8171.976102][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8171.976102][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8171.976102][ T1167] netlink_rcv_skb+0x130/0x360 [ 8171.976102][ T1167] netlink_unicast+0x449/0x710 [ 8171.976102][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8171.976102][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8171.976102][ T1167] ___sys_sendmsg+0xee/0x170 [ 8171.976102][ T1167] __sys_sendmsg+0xcd/0x170 [ 8171.976102][ T1167] do_syscall_64+0xc6/0x1e0 [ 8171.976102][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8171.976102][ T1167] [ 8171.978367][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8171.978367][ T1167] netdev_get_by_index+0x5e/0x80 [ 8171.978367][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8171.978367][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8171.978367][ T1167] ip6_route_add+0x1c/0x140 [ 8171.978367][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8171.978367][ T1167] addrconf_add_dev+0xe2/0x170 [ 8171.978367][ T1167] inet6_addr_add+0x12f/0xa40 [ 8171.978367][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8171.978367][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8171.978367][ T1167] netlink_rcv_skb+0x130/0x360 [ 8171.978367][ T1167] netlink_unicast+0x449/0x710 [ 8171.978367][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8171.978367][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8171.978367][ T1167] ___sys_sendmsg+0xee/0x170 [ 8171.978367][ T1167] __sys_sendmsg+0xcd/0x170 [ 8171.978367][ T1167] do_syscall_64+0xc6/0x1e0 [ 8171.978367][ T1167] [ 8171.980587][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8171.980587][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8171.980587][ T1167] ipv6_find_idev+0x102/0x170 [ 8171.980587][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8171.980587][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8171.980587][ T1167] netlink_rcv_skb+0x130/0x360 [ 8171.980587][ T1167] netlink_unicast+0x449/0x710 [ 8171.980587][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8171.980587][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8171.980587][ T1167] ___sys_sendmsg+0xee/0x170 [ 8171.980587][ T1167] __sys_sendmsg+0xcd/0x170 [ 8171.980587][ T1167] do_syscall_64+0xc6/0x1e0 [ 8171.980587][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8171.980587][ T1167] [ 8171.982326][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8171.982326][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8171.982326][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8171.982326][ T1167] ipv6_find_idev+0x102/0x170 [ 8171.982326][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8171.982326][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8171.982326][ T1167] netlink_rcv_skb+0x130/0x360 [ 8171.982326][ T1167] netlink_unicast+0x449/0x710 [ 8171.982326][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8171.982326][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8171.982326][ T1167] ___sys_sendmsg+0xee/0x170 [ 8171.982326][ T1167] __sys_sendmsg+0xcd/0x170 [ 8171.982326][ T1167] do_syscall_64+0xc6/0x1e0 [ 8171.982326][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8171.982326][ T1167] [ 8181.937114][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8181.937509][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8181.937509][ T10] netdev_get_by_index+0x5e/0x80 [ 8181.937509][ T10] fib6_nh_init+0x3d8/0x1580 [ 8181.937509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8181.937509][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8181.937509][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8181.937509][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8181.937509][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8181.937509][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8181.937509][ T10] addrconf_dad_begin+0x310/0x670 [ 8181.937509][ T10] addrconf_dad_work+0x10b/0xab0 [ 8181.937509][ T10] process_one_work+0x84d/0x18a0 [ 8181.937509][ T10] worker_thread+0x587/0xd30 [ 8181.937509][ T10] kthread+0x28a/0x350 [ 8181.937509][ T10] ret_from_fork+0x31/0x70 [ 8181.937509][ T10] ret_from_fork_asm+0x1a/0x30 [ 8181.937509][ T10] [ 8181.939424][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8181.939424][ T10] netdev_get_by_index+0x5e/0x80 [ 8181.939424][ T10] fib6_nh_init+0x3d8/0x1580 [ 8181.939424][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8181.939424][ T10] ip6_route_add+0x1c/0x140 [ 8181.939424][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8181.939424][ T10] inet6_addr_add+0x4f8/0xa40 [ 8181.939424][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8181.939424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8181.939424][ T10] netlink_rcv_skb+0x130/0x360 [ 8181.939424][ T10] netlink_unicast+0x449/0x710 [ 8181.939424][ T10] netlink_sendmsg+0x723/0xbe0 [ 8181.939424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8181.939424][ T10] ___sys_sendmsg+0xee/0x170 [ 8181.939424][ T10] __sys_sendmsg+0xcd/0x170 [ 8181.939424][ T10] do_syscall_64+0xc6/0x1e0 [ 8181.939424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8181.939424][ T10] [ 8181.941418][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8181.941418][ T10] netdev_get_by_index+0x5e/0x80 [ 8181.941418][ T10] fib6_nh_init+0x3d8/0x1580 [ 8181.941418][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8181.941418][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8181.941418][ T10] ipv6_add_addr+0x411/0x2000 [ 8181.941418][ T10] inet6_addr_add+0x30e/0xa40 [ 8181.941418][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8181.941418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8181.941418][ T10] netlink_rcv_skb+0x130/0x360 [ 8181.941418][ T10] netlink_unicast+0x449/0x710 [ 8181.941418][ T10] netlink_sendmsg+0x723/0xbe0 [ 8181.941418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8181.941418][ T10] ___sys_sendmsg+0xee/0x170 [ 8181.941418][ T10] __sys_sendmsg+0xcd/0x170 [ 8181.941418][ T10] do_syscall_64+0xc6/0x1e0 [ 8181.941418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8181.941418][ T10] [ 8181.943398][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8181.943398][ T10] netdev_get_by_index+0x5e/0x80 [ 8181.943398][ T10] fib6_nh_init+0x3d8/0x1580 [ 8181.943398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8181.943398][ T10] ip6_route_add+0x1c/0x140 [ 8181.943398][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8181.943398][ T10] addrconf_add_dev+0xe2/0x170 [ 8181.943398][ T10] inet6_addr_add+0x12f/0xa40 [ 8181.943398][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8181.943398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8181.943398][ T10] netlink_rcv_skb+0x130/0x360 [ 8181.943398][ T10] netlink_unicast+0x449/0x710 [ 8181.943398][ T10] netlink_sendmsg+0x723/0xbe0 [ 8181.943398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8181.943398][ T10] ___sys_sendmsg+0xee/0x170 [ 8181.943398][ T10] __sys_sendmsg+0xcd/0x170 [ 8181.943398][ T10] do_syscall_64+0xc6/0x1e0 [ 8181.943398][ T10] [ 8181.945353][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8181.945353][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8181.945353][ T10] ipv6_find_idev+0x102/0x170 [ 8181.945353][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8181.945353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8181.945353][ T10] netlink_rcv_skb+0x130/0x360 [ 8181.945353][ T10] netlink_unicast+0x449/0x710 [ 8181.945353][ T10] netlink_sendmsg+0x723/0xbe0 [ 8181.945353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8181.945353][ T10] ___sys_sendmsg+0xee/0x170 [ 8181.945353][ T10] __sys_sendmsg+0xcd/0x170 [ 8181.945353][ T10] do_syscall_64+0xc6/0x1e0 [ 8181.945353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8181.945353][ T10] [ 8181.946883][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8181.946883][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8181.946883][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8181.946883][ T10] ipv6_find_idev+0x102/0x170 [ 8181.946883][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8181.946883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8181.946883][ T10] netlink_rcv_skb+0x130/0x360 [ 8181.946883][ T10] netlink_unicast+0x449/0x710 [ 8181.946883][ T10] netlink_sendmsg+0x723/0xbe0 [ 8181.946883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8181.946883][ T10] ___sys_sendmsg+0xee/0x170 [ 8181.946883][ T10] __sys_sendmsg+0xcd/0x170 [ 8181.946883][ T10] do_syscall_64+0xc6/0x1e0 [ 8181.946883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8181.946883][ T10] [ 8181.948562][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8181.948799][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8181.948799][ T10] netdev_get_by_index+0x5e/0x80 [ 8181.948799][ T10] fib6_nh_init+0x3d8/0x1580 [ 8181.948799][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8181.948799][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8181.948799][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8181.948799][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8181.948799][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8181.948799][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8181.948799][ T10] addrconf_dad_begin+0x310/0x670 [ 8181.948799][ T10] addrconf_dad_work+0x10b/0xab0 [ 8181.948799][ T10] process_one_work+0x84d/0x18a0 [ 8181.948799][ T10] worker_thread+0x587/0xd30 [ 8181.948799][ T10] kthread+0x28a/0x350 [ 8181.948799][ T10] ret_from_fork+0x31/0x70 [ 8181.948799][ T10] ret_from_fork_asm+0x1a/0x30 [ 8181.948799][ T10] [ 8181.950699][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8181.950699][ T10] netdev_get_by_index+0x5e/0x80 [ 8181.950699][ T10] fib6_nh_init+0x3d8/0x1580 [ 8181.950699][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8181.950699][ T10] ip6_route_add+0x1c/0x140 [ 8181.950699][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8181.950699][ T10] inet6_addr_add+0x4f8/0xa40 [ 8181.950699][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8181.950699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8181.950699][ T10] netlink_rcv_skb+0x130/0x360 [ 8181.950699][ T10] netlink_unicast+0x449/0x710 [ 8181.950699][ T10] netlink_sendmsg+0x723/0xbe0 [ 8181.950699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8181.950699][ T10] ___sys_sendmsg+0xee/0x170 [ 8181.950699][ T10] __sys_sendmsg+0xcd/0x170 [ 8181.950699][ T10] do_syscall_64+0xc6/0x1e0 [ 8181.950699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8181.950699][ T10] [ 8181.952676][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8181.952676][ T10] netdev_get_by_index+0x5e/0x80 [ 8181.952676][ T10] fib6_nh_init+0x3d8/0x1580 [ 8181.952676][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8181.952676][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8181.952676][ T10] ipv6_add_addr+0x411/0x2000 [ 8181.952676][ T10] inet6_addr_add+0x30e/0xa40 [ 8181.952676][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8181.952676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8181.952676][ T10] netlink_rcv_skb+0x130/0x360 [ 8181.952676][ T10] netlink_unicast+0x449/0x710 [ 8181.952676][ T10] netlink_sendmsg+0x723/0xbe0 [ 8181.952676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8181.952676][ T10] ___sys_sendmsg+0xee/0x170 [ 8181.952676][ T10] __sys_sendmsg+0xcd/0x170 [ 8181.952676][ T10] do_syscall_64+0xc6/0x1e0 [ 8181.952676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8181.952676][ T10] [ 8181.954664][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8181.954664][ T10] netdev_get_by_index+0x5e/0x80 [ 8181.954664][ T10] fib6_nh_init+0x3d8/0x1580 [ 8181.954664][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8181.954664][ T10] ip6_route_add+0x1c/0x140 [ 8181.954664][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8181.954664][ T10] addrconf_add_dev+0xe2/0x170 [ 8181.954664][ T10] inet6_addr_add+0x12f/0xa40 [ 8181.954664][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8181.954664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8181.954664][ T10] netlink_rcv_skb+0x130/0x360 [ 8181.954664][ T10] netlink_unicast+0x449/0x710 [ 8181.954664][ T10] netlink_sendmsg+0x723/0xbe0 [ 8181.954664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8181.954664][ T10] ___sys_sendmsg+0xee/0x170 [ 8181.954664][ T10] __sys_sendmsg+0xcd/0x170 [ 8181.954664][ T10] do_syscall_64+0xc6/0x1e0 [ 8181.954664][ T10] [ 8181.956608][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8181.956608][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8181.956608][ T10] ipv6_find_idev+0x102/0x170 [ 8181.956608][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8181.956608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8181.956608][ T10] netlink_rcv_skb+0x130/0x360 [ 8181.956608][ T10] netlink_unicast+0x449/0x710 [ 8181.956608][ T10] netlink_sendmsg+0x723/0xbe0 [ 8181.956608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8181.956608][ T10] ___sys_sendmsg+0xee/0x170 [ 8181.956608][ T10] __sys_sendmsg+0xcd/0x170 [ 8181.956608][ T10] do_syscall_64+0xc6/0x1e0 [ 8181.956608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8181.956608][ T10] [ 8181.958144][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8181.958144][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8181.958144][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8181.958144][ T10] ipv6_find_idev+0x102/0x170 [ 8181.958144][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8181.958144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8181.958144][ T10] netlink_rcv_skb+0x130/0x360 [ 8181.958144][ T10] netlink_unicast+0x449/0x710 [ 8181.958144][ T10] netlink_sendmsg+0x723/0xbe0 [ 8181.958144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8181.958144][ T10] ___sys_sendmsg+0xee/0x170 [ 8181.958144][ T10] __sys_sendmsg+0xcd/0x170 [ 8181.958144][ T10] do_syscall_64+0xc6/0x1e0 [ 8181.958144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8181.958144][ T10] [ 8181.959807][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8181.960042][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8181.960042][ T10] netdev_get_by_index+0x5e/0x80 [ 8181.960042][ T10] fib6_nh_init+0x3d8/0x1580 [ 8181.960042][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8181.960042][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8181.960042][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8181.960042][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8181.960042][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8181.960042][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8181.960042][ T10] addrconf_dad_begin+0x310/0x670 [ 8181.960042][ T10] addrconf_dad_work+0x10b/0xab0 [ 8181.960042][ T10] process_one_work+0x84d/0x18a0 [ 8181.960042][ T10] worker_thread+0x587/0xd30 [ 8181.960042][ T10] kthread+0x28a/0x350 [ 8181.960042][ T10] ret_from_fork+0x31/0x70 [ 8181.960042][ T10] ret_from_fork_asm+0x1a/0x30 [ 8181.960042][ T10] [ 8181.961935][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8181.961935][ T10] netdev_get_by_index+0x5e/0x80 [ 8181.961935][ T10] fib6_nh_init+0x3d8/0x1580 [ 8181.961935][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8181.961935][ T10] ip6_route_add+0x1c/0x140 [ 8181.961935][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8181.961935][ T10] inet6_addr_add+0x4f8/0xa40 [ 8181.961935][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8181.961935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8181.961935][ T10] netlink_rcv_skb+0x130/0x360 [ 8181.961935][ T10] netlink_unicast+0x449/0x710 [ 8181.961935][ T10] netlink_sendmsg+0x723/0xbe0 [ 8181.961935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8181.961935][ T10] ___sys_sendmsg+0xee/0x170 [ 8181.961935][ T10] __sys_sendmsg+0xcd/0x170 [ 8181.961935][ T10] do_syscall_64+0xc6/0x1e0 [ 8181.961935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8181.961935][ T10] [ 8181.964159][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8181.964159][ T10] netdev_get_by_index+0x5e/0x80 [ 8181.964159][ T10] fib6_nh_init+0x3d8/0x1580 [ 8181.964159][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8181.964159][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8181.964159][ T10] ipv6_add_addr+0x411/0x2000 [ 8181.964159][ T10] inet6_addr_add+0x30e/0xa40 [ 8181.964159][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8181.964159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8181.964159][ T10] netlink_rcv_skb+0x130/0x360 [ 8181.964159][ T10] netlink_unicast+0x449/0x710 [ 8181.964159][ T10] netlink_sendmsg+0x723/0xbe0 [ 8181.964159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8181.964159][ T10] ___sys_sendmsg+0xee/0x170 [ 8181.964159][ T10] __sys_sendmsg+0xcd/0x170 [ 8181.964159][ T10] do_syscall_64+0xc6/0x1e0 [ 8181.964159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8181.964159][ T10] [ 8181.966316][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8181.966316][ T10] netdev_get_by_index+0x5e/0x80 [ 8181.966316][ T10] fib6_nh_init+0x3d8/0x1580 [ 8181.966316][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8181.966316][ T10] ip6_route_add+0x1c/0x140 [ 8181.966316][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8181.966316][ T10] addrconf_add_dev+0xe2/0x170 [ 8181.966316][ T10] inet6_addr_add+0x12f/0xa40 [ 8181.966316][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8181.966316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8181.966316][ T10] netlink_rcv_skb+0x130/0x360 [ 8181.966316][ T10] netlink_unicast+0x449/0x710 [ 8181.966316][ T10] netlink_sendmsg+0x723/0xbe0 [ 8181.966316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8181.966316][ T10] ___sys_sendmsg+0xee/0x170 [ 8181.966316][ T10] __sys_sendmsg+0xcd/0x170 [ 8181.966316][ T10] do_syscall_64+0xc6/0x1e0 [ 8181.966316][ T10] [ 8181.968567][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8181.968567][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8181.968567][ T10] ipv6_find_idev+0x102/0x170 [ 8181.968567][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8181.968567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8181.968567][ T10] netlink_rcv_skb+0x130/0x360 [ 8181.968567][ T10] netlink_unicast+0x449/0x710 [ 8181.968567][ T10] netlink_sendmsg+0x723/0xbe0 [ 8181.968567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8181.968567][ T10] ___sys_sendmsg+0xee/0x170 [ 8181.968567][ T10] __sys_sendmsg+0xcd/0x170 [ 8181.968567][ T10] do_syscall_64+0xc6/0x1e0 [ 8181.968567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8181.968567][ T10] [ 8181.970269][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8181.970269][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8181.970269][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8181.970269][ T10] ipv6_find_idev+0x102/0x170 [ 8181.970269][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8181.970269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8181.970269][ T10] netlink_rcv_skb+0x130/0x360 [ 8181.970269][ T10] netlink_unicast+0x449/0x710 [ 8181.970269][ T10] netlink_sendmsg+0x723/0xbe0 [ 8181.970269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8181.970269][ T10] ___sys_sendmsg+0xee/0x170 [ 8181.970269][ T10] __sys_sendmsg+0xcd/0x170 [ 8181.970269][ T10] do_syscall_64+0xc6/0x1e0 [ 8181.970269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8181.970269][ T10] [ 8181.972119][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8181.972435][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8181.972435][ T10] netdev_get_by_index+0x5e/0x80 [ 8181.972435][ T10] fib6_nh_init+0x3d8/0x1580 [ 8181.972435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8181.972435][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8181.972435][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8181.972435][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8181.972435][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8181.972435][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8181.972435][ T10] addrconf_dad_begin+0x310/0x670 [ 8181.972435][ T10] addrconf_dad_work+0x10b/0xab0 [ 8181.972435][ T10] process_one_work+0x84d/0x18a0 [ 8181.972435][ T10] worker_thread+0x587/0xd30 [ 8181.972435][ T10] kthread+0x28a/0x350 [ 8181.972435][ T10] ret_from_fork+0x31/0x70 [ 8181.972435][ T10] ret_from_fork_asm+0x1a/0x30 [ 8181.972435][ T10] [ 8181.974448][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8181.974448][ T10] netdev_get_by_index+0x5e/0x80 [ 8181.974448][ T10] fib6_nh_init+0x3d8/0x1580 [ 8181.974448][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8181.974448][ T10] ip6_route_add+0x1c/0x140 [ 8181.974448][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8181.974448][ T10] inet6_addr_add+0x4f8/0xa40 [ 8181.974448][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8181.974448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8181.974448][ T10] netlink_rcv_skb+0x130/0x360 [ 8181.974448][ T10] netlink_unicast+0x449/0x710 [ 8181.974448][ T10] netlink_sendmsg+0x723/0xbe0 [ 8181.974448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8181.974448][ T10] ___sys_sendmsg+0xee/0x170 [ 8181.974448][ T10] __sys_sendmsg+0xcd/0x170 [ 8181.974448][ T10] do_syscall_64+0xc6/0x1e0 [ 8181.974448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8181.974448][ T10] [ 8181.976722][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8181.976722][ T10] netdev_get_by_index+0x5e/0x80 [ 8181.976722][ T10] fib6_nh_init+0x3d8/0x1580 [ 8181.976722][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8181.976722][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8181.976722][ T10] ipv6_add_addr+0x411/0x2000 [ 8181.976722][ T10] inet6_addr_add+0x30e/0xa40 [ 8181.976722][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8181.976722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8181.976722][ T10] netlink_rcv_skb+0x130/0x360 [ 8181.976722][ T10] netlink_unicast+0x449/0x710 [ 8181.976722][ T10] netlink_sendmsg+0x723/0xbe0 [ 8181.976722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8181.976722][ T10] ___sys_sendmsg+0xee/0x170 [ 8181.976722][ T10] __sys_sendmsg+0xcd/0x170 [ 8181.976722][ T10] do_syscall_64+0xc6/0x1e0 [ 8181.976722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8181.976722][ T10] [ 8181.978938][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8181.978938][ T10] netdev_get_by_index+0x5e/0x80 [ 8181.978938][ T10] fib6_nh_init+0x3d8/0x1580 [ 8181.978938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8181.978938][ T10] ip6_route_add+0x1c/0x140 [ 8181.978938][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8181.978938][ T10] addrconf_add_dev+0xe2/0x170 [ 8181.978938][ T10] inet6_addr_add+0x12f/0xa40 [ 8181.978938][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8181.978938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8181.978938][ T10] netlink_rcv_skb+0x130/0x360 [ 8181.978938][ T10] netlink_unicast+0x449/0x710 [ 8181.978938][ T10] netlink_sendmsg+0x723/0xbe0 [ 8181.978938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8181.978938][ T10] ___sys_sendmsg+0xee/0x170 [ 8181.978938][ T10] __sys_sendmsg+0xcd/0x170 [ 8181.978938][ T10] do_syscall_64+0xc6/0x1e0 [ 8181.978938][ T10] [ 8181.981138][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8181.981138][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8181.981138][ T10] ipv6_find_idev+0x102/0x170 [ 8181.981138][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8181.981138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8181.981138][ T10] netlink_rcv_skb+0x130/0x360 [ 8181.981138][ T10] netlink_unicast+0x449/0x710 [ 8181.981138][ T10] netlink_sendmsg+0x723/0xbe0 [ 8181.981138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8181.981138][ T10] ___sys_sendmsg+0xee/0x170 [ 8181.981138][ T10] __sys_sendmsg+0xcd/0x170 [ 8181.981138][ T10] do_syscall_64+0xc6/0x1e0 [ 8181.981138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8181.981138][ T10] [ 8181.982869][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8181.982869][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8181.982869][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8181.982869][ T10] ipv6_find_idev+0x102/0x170 [ 8181.982869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8181.982869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8181.982869][ T10] netlink_rcv_skb+0x130/0x360 [ 8181.982869][ T10] netlink_unicast+0x449/0x710 [ 8181.982869][ T10] netlink_sendmsg+0x723/0xbe0 [ 8181.982869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8181.982869][ T10] ___sys_sendmsg+0xee/0x170 [ 8181.982869][ T10] __sys_sendmsg+0xcd/0x170 [ 8181.982869][ T10] do_syscall_64+0xc6/0x1e0 [ 8181.982869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8181.982869][ T10] [ 8182.225201][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8182.225570][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8182.225570][ T1167] dst_init+0x84/0x4a0 [ 8182.225570][ T1167] dst_alloc+0x97/0x150 [ 8182.225570][ T1167] ip6_dst_alloc+0x23/0x90 [ 8182.225570][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8182.225570][ T1167] ip6_pol_route+0x56f/0x840 [ 8182.225570][ T1167] fib6_rule_lookup+0x334/0x630 [ 8182.225570][ T1167] ip6_route_output_flags+0x259/0x480 [ 8182.225570][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8182.225570][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8182.225570][ T1167] netlink_rcv_skb+0x130/0x360 [ 8182.225570][ T1167] netlink_unicast+0x449/0x710 [ 8182.225570][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8182.225570][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8182.225570][ T1167] ___sys_sendmsg+0xee/0x170 [ 8182.225570][ T1167] __sys_sendmsg+0xcd/0x170 [ 8182.225570][ T1167] do_syscall_64+0xc6/0x1e0 [ 8182.225570][ T1167] [ 8182.227777][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8182.227777][ T1167] netdev_get_by_index+0x5e/0x80 [ 8182.227777][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8182.227777][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8182.227777][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8182.227777][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8182.227777][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8182.227777][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8182.227777][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8182.227777][ T1167] addrconf_dad_begin+0x310/0x670 [ 8182.227777][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8182.227777][ T1167] process_one_work+0x84d/0x18a0 [ 8182.227777][ T1167] worker_thread+0x587/0xd30 [ 8182.227777][ T1167] kthread+0x28a/0x350 [ 8182.227777][ T1167] ret_from_fork+0x31/0x70 [ 8182.227777][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8182.227777][ T1167] [ 8182.229946][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8182.229946][ T1167] netdev_get_by_index+0x5e/0x80 [ 8182.229946][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8182.229946][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8182.229946][ T1167] ip6_route_add+0x1c/0x140 [ 8182.229946][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8182.229946][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8182.229946][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8182.229946][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8182.229946][ T1167] netlink_rcv_skb+0x130/0x360 [ 8182.229946][ T1167] netlink_unicast+0x449/0x710 [ 8182.229946][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8182.229946][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8182.229946][ T1167] ___sys_sendmsg+0xee/0x170 [ 8182.229946][ T1167] __sys_sendmsg+0xcd/0x170 [ 8182.229946][ T1167] do_syscall_64+0xc6/0x1e0 [ 8182.229946][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8182.229946][ T1167] [ 8182.232202][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8182.232202][ T1167] netdev_get_by_index+0x5e/0x80 [ 8182.232202][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8182.232202][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8182.232202][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8182.232202][ T1167] ipv6_add_addr+0x411/0x2000 [ 8182.232202][ T1167] inet6_addr_add+0x30e/0xa40 [ 8182.232202][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8182.232202][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8182.232202][ T1167] netlink_rcv_skb+0x130/0x360 [ 8182.232202][ T1167] netlink_unicast+0x449/0x710 [ 8182.232202][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8182.232202][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8182.232202][ T1167] ___sys_sendmsg+0xee/0x170 [ 8182.232202][ T1167] __sys_sendmsg+0xcd/0x170 [ 8182.232202][ T1167] do_syscall_64+0xc6/0x1e0 [ 8182.232202][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8182.232202][ T1167] [ 8182.234465][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8182.234465][ T1167] netdev_get_by_index+0x5e/0x80 [ 8182.234465][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8182.234465][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8182.234465][ T1167] ip6_route_add+0x1c/0x140 [ 8182.234465][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8182.234465][ T1167] addrconf_add_dev+0xe2/0x170 [ 8182.234465][ T1167] inet6_addr_add+0x12f/0xa40 [ 8182.234465][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8182.234465][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8182.234465][ T1167] netlink_rcv_skb+0x130/0x360 [ 8182.234465][ T1167] netlink_unicast+0x449/0x710 [ 8182.234465][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8182.234465][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8182.234465][ T1167] ___sys_sendmsg+0xee/0x170 [ 8182.234465][ T1167] __sys_sendmsg+0xcd/0x170 [ 8182.234465][ T1167] do_syscall_64+0xc6/0x1e0 [ 8182.234465][ T1167] [ 8182.236686][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8182.236686][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8182.236686][ T1167] ipv6_find_idev+0x102/0x170 [ 8182.236686][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8182.236686][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8182.236686][ T1167] netlink_rcv_skb+0x130/0x360 [ 8182.236686][ T1167] netlink_unicast+0x449/0x710 [ 8182.236686][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8182.236686][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8182.236686][ T1167] ___sys_sendmsg+0xee/0x170 [ 8182.236686][ T1167] __sys_sendmsg+0xcd/0x170 [ 8182.236686][ T1167] do_syscall_64+0xc6/0x1e0 [ 8182.236686][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8182.236686][ T1167] [ 8182.238418][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8182.238418][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8182.238418][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8182.238418][ T1167] ipv6_find_idev+0x102/0x170 [ 8182.238418][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8182.238418][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8182.238418][ T1167] netlink_rcv_skb+0x130/0x360 [ 8182.238418][ T1167] netlink_unicast+0x449/0x710 [ 8182.238418][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8182.238418][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8182.238418][ T1167] ___sys_sendmsg+0xee/0x170 [ 8182.238418][ T1167] __sys_sendmsg+0xcd/0x170 [ 8182.238418][ T1167] do_syscall_64+0xc6/0x1e0 [ 8182.238418][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8182.238418][ T1167] [ 8192.233123][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8192.233488][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8192.233488][ T10] netdev_get_by_index+0x5e/0x80 [ 8192.233488][ T10] fib6_nh_init+0x3d8/0x1580 [ 8192.233488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8192.233488][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8192.233488][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8192.233488][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8192.233488][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8192.233488][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8192.233488][ T10] addrconf_dad_begin+0x310/0x670 [ 8192.233488][ T10] addrconf_dad_work+0x10b/0xab0 [ 8192.233488][ T10] process_one_work+0x84d/0x18a0 [ 8192.233488][ T10] worker_thread+0x587/0xd30 [ 8192.233488][ T10] kthread+0x28a/0x350 [ 8192.233488][ T10] ret_from_fork+0x31/0x70 [ 8192.233488][ T10] ret_from_fork_asm+0x1a/0x30 [ 8192.233488][ T10] [ 8192.235403][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8192.235403][ T10] netdev_get_by_index+0x5e/0x80 [ 8192.235403][ T10] fib6_nh_init+0x3d8/0x1580 [ 8192.235403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8192.235403][ T10] ip6_route_add+0x1c/0x140 [ 8192.235403][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8192.235403][ T10] inet6_addr_add+0x4f8/0xa40 [ 8192.235403][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8192.235403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8192.235403][ T10] netlink_rcv_skb+0x130/0x360 [ 8192.235403][ T10] netlink_unicast+0x449/0x710 [ 8192.235403][ T10] netlink_sendmsg+0x723/0xbe0 [ 8192.235403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8192.235403][ T10] ___sys_sendmsg+0xee/0x170 [ 8192.235403][ T10] __sys_sendmsg+0xcd/0x170 [ 8192.235403][ T10] do_syscall_64+0xc6/0x1e0 [ 8192.235403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8192.235403][ T10] [ 8192.237395][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8192.237395][ T10] netdev_get_by_index+0x5e/0x80 [ 8192.237395][ T10] fib6_nh_init+0x3d8/0x1580 [ 8192.237395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8192.237395][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8192.237395][ T10] ipv6_add_addr+0x411/0x2000 [ 8192.237395][ T10] inet6_addr_add+0x30e/0xa40 [ 8192.237395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8192.237395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8192.237395][ T10] netlink_rcv_skb+0x130/0x360 [ 8192.237395][ T10] netlink_unicast+0x449/0x710 [ 8192.237395][ T10] netlink_sendmsg+0x723/0xbe0 [ 8192.237395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8192.237395][ T10] ___sys_sendmsg+0xee/0x170 [ 8192.237395][ T10] __sys_sendmsg+0xcd/0x170 [ 8192.237395][ T10] do_syscall_64+0xc6/0x1e0 [ 8192.237395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8192.237395][ T10] [ 8192.239379][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8192.239379][ T10] netdev_get_by_index+0x5e/0x80 [ 8192.239379][ T10] fib6_nh_init+0x3d8/0x1580 [ 8192.239379][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8192.239379][ T10] ip6_route_add+0x1c/0x140 [ 8192.239379][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8192.239379][ T10] addrconf_add_dev+0xe2/0x170 [ 8192.239379][ T10] inet6_addr_add+0x12f/0xa40 [ 8192.239379][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8192.239379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8192.239379][ T10] netlink_rcv_skb+0x130/0x360 [ 8192.239379][ T10] netlink_unicast+0x449/0x710 [ 8192.239379][ T10] netlink_sendmsg+0x723/0xbe0 [ 8192.239379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8192.239379][ T10] ___sys_sendmsg+0xee/0x170 [ 8192.239379][ T10] __sys_sendmsg+0xcd/0x170 [ 8192.239379][ T10] do_syscall_64+0xc6/0x1e0 [ 8192.239379][ T10] [ 8192.241346][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8192.241346][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8192.241346][ T10] ipv6_find_idev+0x102/0x170 [ 8192.241346][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8192.241346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8192.241346][ T10] netlink_rcv_skb+0x130/0x360 [ 8192.241346][ T10] netlink_unicast+0x449/0x710 [ 8192.241346][ T10] netlink_sendmsg+0x723/0xbe0 [ 8192.241346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8192.241346][ T10] ___sys_sendmsg+0xee/0x170 [ 8192.241346][ T10] __sys_sendmsg+0xcd/0x170 [ 8192.241346][ T10] do_syscall_64+0xc6/0x1e0 [ 8192.241346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8192.241346][ T10] [ 8192.242873][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8192.242873][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8192.242873][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8192.242873][ T10] ipv6_find_idev+0x102/0x170 [ 8192.242873][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8192.242873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8192.242873][ T10] netlink_rcv_skb+0x130/0x360 [ 8192.242873][ T10] netlink_unicast+0x449/0x710 [ 8192.242873][ T10] netlink_sendmsg+0x723/0xbe0 [ 8192.242873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8192.242873][ T10] ___sys_sendmsg+0xee/0x170 [ 8192.242873][ T10] __sys_sendmsg+0xcd/0x170 [ 8192.242873][ T10] do_syscall_64+0xc6/0x1e0 [ 8192.242873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8192.242873][ T10] [ 8192.244553][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8192.244802][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8192.244802][ T10] netdev_get_by_index+0x5e/0x80 [ 8192.244802][ T10] fib6_nh_init+0x3d8/0x1580 [ 8192.244802][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8192.244802][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8192.244802][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8192.244802][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8192.244802][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8192.244802][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8192.244802][ T10] addrconf_dad_begin+0x310/0x670 [ 8192.244802][ T10] addrconf_dad_work+0x10b/0xab0 [ 8192.244802][ T10] process_one_work+0x84d/0x18a0 [ 8192.244802][ T10] worker_thread+0x587/0xd30 [ 8192.244802][ T10] kthread+0x28a/0x350 [ 8192.244802][ T10] ret_from_fork+0x31/0x70 [ 8192.244802][ T10] ret_from_fork_asm+0x1a/0x30 [ 8192.244802][ T10] [ 8192.246695][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8192.246695][ T10] netdev_get_by_index+0x5e/0x80 [ 8192.246695][ T10] fib6_nh_init+0x3d8/0x1580 [ 8192.246695][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8192.246695][ T10] ip6_route_add+0x1c/0x140 [ 8192.246695][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8192.246695][ T10] inet6_addr_add+0x4f8/0xa40 [ 8192.246695][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8192.246695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8192.246695][ T10] netlink_rcv_skb+0x130/0x360 [ 8192.246695][ T10] netlink_unicast+0x449/0x710 [ 8192.246695][ T10] netlink_sendmsg+0x723/0xbe0 [ 8192.246695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8192.246695][ T10] ___sys_sendmsg+0xee/0x170 [ 8192.246695][ T10] __sys_sendmsg+0xcd/0x170 [ 8192.246695][ T10] do_syscall_64+0xc6/0x1e0 [ 8192.246695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8192.246695][ T10] [ 8192.248682][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8192.248682][ T10] netdev_get_by_index+0x5e/0x80 [ 8192.248682][ T10] fib6_nh_init+0x3d8/0x1580 [ 8192.248682][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8192.248682][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8192.248682][ T10] ipv6_add_addr+0x411/0x2000 [ 8192.248682][ T10] inet6_addr_add+0x30e/0xa40 [ 8192.248682][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8192.248682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8192.248682][ T10] netlink_rcv_skb+0x130/0x360 [ 8192.248682][ T10] netlink_unicast+0x449/0x710 [ 8192.248682][ T10] netlink_sendmsg+0x723/0xbe0 [ 8192.248682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8192.248682][ T10] ___sys_sendmsg+0xee/0x170 [ 8192.248682][ T10] __sys_sendmsg+0xcd/0x170 [ 8192.248682][ T10] do_syscall_64+0xc6/0x1e0 [ 8192.248682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8192.248682][ T10] [ 8192.250683][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8192.250683][ T10] netdev_get_by_index+0x5e/0x80 [ 8192.250683][ T10] fib6_nh_init+0x3d8/0x1580 [ 8192.250683][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8192.250683][ T10] ip6_route_add+0x1c/0x140 [ 8192.250683][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8192.250683][ T10] addrconf_add_dev+0xe2/0x170 [ 8192.250683][ T10] inet6_addr_add+0x12f/0xa40 [ 8192.250683][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8192.250683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8192.250683][ T10] netlink_rcv_skb+0x130/0x360 [ 8192.250683][ T10] netlink_unicast+0x449/0x710 [ 8192.250683][ T10] netlink_sendmsg+0x723/0xbe0 [ 8192.250683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8192.250683][ T10] ___sys_sendmsg+0xee/0x170 [ 8192.250683][ T10] __sys_sendmsg+0xcd/0x170 [ 8192.250683][ T10] do_syscall_64+0xc6/0x1e0 [ 8192.250683][ T10] [ 8192.252634][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8192.252634][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8192.252634][ T10] ipv6_find_idev+0x102/0x170 [ 8192.252634][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8192.252634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8192.252634][ T10] netlink_rcv_skb+0x130/0x360 [ 8192.252634][ T10] netlink_unicast+0x449/0x710 [ 8192.252634][ T10] netlink_sendmsg+0x723/0xbe0 [ 8192.252634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8192.252634][ T10] ___sys_sendmsg+0xee/0x170 [ 8192.252634][ T10] __sys_sendmsg+0xcd/0x170 [ 8192.252634][ T10] do_syscall_64+0xc6/0x1e0 [ 8192.252634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8192.252634][ T10] [ 8192.254164][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8192.254164][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8192.254164][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8192.254164][ T10] ipv6_find_idev+0x102/0x170 [ 8192.254164][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8192.254164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8192.254164][ T10] netlink_rcv_skb+0x130/0x360 [ 8192.254164][ T10] netlink_unicast+0x449/0x710 [ 8192.254164][ T10] netlink_sendmsg+0x723/0xbe0 [ 8192.254164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8192.254164][ T10] ___sys_sendmsg+0xee/0x170 [ 8192.254164][ T10] __sys_sendmsg+0xcd/0x170 [ 8192.254164][ T10] do_syscall_64+0xc6/0x1e0 [ 8192.254164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8192.254164][ T10] [ 8192.255846][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8192.256093][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8192.256093][ T10] netdev_get_by_index+0x5e/0x80 [ 8192.256093][ T10] fib6_nh_init+0x3d8/0x1580 [ 8192.256093][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8192.256093][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8192.256093][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8192.256093][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8192.256093][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8192.256093][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8192.256093][ T10] addrconf_dad_begin+0x310/0x670 [ 8192.256093][ T10] addrconf_dad_work+0x10b/0xab0 [ 8192.256093][ T10] process_one_work+0x84d/0x18a0 [ 8192.256093][ T10] worker_thread+0x587/0xd30 [ 8192.256093][ T10] kthread+0x28a/0x350 [ 8192.256093][ T10] ret_from_fork+0x31/0x70 [ 8192.256093][ T10] ret_from_fork_asm+0x1a/0x30 [ 8192.256093][ T10] [ 8192.257992][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8192.257992][ T10] netdev_get_by_index+0x5e/0x80 [ 8192.257992][ T10] fib6_nh_init+0x3d8/0x1580 [ 8192.257992][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8192.257992][ T10] ip6_route_add+0x1c/0x140 [ 8192.257992][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8192.257992][ T10] inet6_addr_add+0x4f8/0xa40 [ 8192.257992][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8192.257992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8192.257992][ T10] netlink_rcv_skb+0x130/0x360 [ 8192.257992][ T10] netlink_unicast+0x449/0x710 [ 8192.257992][ T10] netlink_sendmsg+0x723/0xbe0 [ 8192.257992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8192.257992][ T10] ___sys_sendmsg+0xee/0x170 [ 8192.257992][ T10] __sys_sendmsg+0xcd/0x170 [ 8192.257992][ T10] do_syscall_64+0xc6/0x1e0 [ 8192.257992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8192.257992][ T10] [ 8192.260277][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8192.260277][ T10] netdev_get_by_index+0x5e/0x80 [ 8192.260277][ T10] fib6_nh_init+0x3d8/0x1580 [ 8192.260277][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8192.260277][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8192.260277][ T10] ipv6_add_addr+0x411/0x2000 [ 8192.260277][ T10] inet6_addr_add+0x30e/0xa40 [ 8192.260277][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8192.260277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8192.260277][ T10] netlink_rcv_skb+0x130/0x360 [ 8192.260277][ T10] netlink_unicast+0x449/0x710 [ 8192.260277][ T10] netlink_sendmsg+0x723/0xbe0 [ 8192.260277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8192.260277][ T10] ___sys_sendmsg+0xee/0x170 [ 8192.260277][ T10] __sys_sendmsg+0xcd/0x170 [ 8192.260277][ T10] do_syscall_64+0xc6/0x1e0 [ 8192.260277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8192.260277][ T10] [ 8192.262440][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8192.262440][ T10] netdev_get_by_index+0x5e/0x80 [ 8192.262440][ T10] fib6_nh_init+0x3d8/0x1580 [ 8192.262440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8192.262440][ T10] ip6_route_add+0x1c/0x140 [ 8192.262440][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8192.262440][ T10] addrconf_add_dev+0xe2/0x170 [ 8192.262440][ T10] inet6_addr_add+0x12f/0xa40 [ 8192.262440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8192.262440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8192.262440][ T10] netlink_rcv_skb+0x130/0x360 [ 8192.262440][ T10] netlink_unicast+0x449/0x710 [ 8192.262440][ T10] netlink_sendmsg+0x723/0xbe0 [ 8192.262440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8192.262440][ T10] ___sys_sendmsg+0xee/0x170 [ 8192.262440][ T10] __sys_sendmsg+0xcd/0x170 [ 8192.262440][ T10] do_syscall_64+0xc6/0x1e0 [ 8192.262440][ T10] [ 8192.264628][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8192.264628][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8192.264628][ T10] ipv6_find_idev+0x102/0x170 [ 8192.264628][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8192.264628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8192.264628][ T10] netlink_rcv_skb+0x130/0x360 [ 8192.264628][ T10] netlink_unicast+0x449/0x710 [ 8192.264628][ T10] netlink_sendmsg+0x723/0xbe0 [ 8192.264628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8192.264628][ T10] ___sys_sendmsg+0xee/0x170 [ 8192.264628][ T10] __sys_sendmsg+0xcd/0x170 [ 8192.264628][ T10] do_syscall_64+0xc6/0x1e0 [ 8192.264628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8192.264628][ T10] [ 8192.266332][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8192.266332][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8192.266332][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8192.266332][ T10] ipv6_find_idev+0x102/0x170 [ 8192.266332][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8192.266332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8192.266332][ T10] netlink_rcv_skb+0x130/0x360 [ 8192.266332][ T10] netlink_unicast+0x449/0x710 [ 8192.266332][ T10] netlink_sendmsg+0x723/0xbe0 [ 8192.266332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8192.266332][ T10] ___sys_sendmsg+0xee/0x170 [ 8192.266332][ T10] __sys_sendmsg+0xcd/0x170 [ 8192.266332][ T10] do_syscall_64+0xc6/0x1e0 [ 8192.266332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8192.266332][ T10] [ 8192.268186][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8192.268483][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8192.268483][ T10] netdev_get_by_index+0x5e/0x80 [ 8192.268483][ T10] fib6_nh_init+0x3d8/0x1580 [ 8192.268483][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8192.268483][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8192.268483][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8192.268483][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8192.268483][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8192.268483][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8192.268483][ T10] addrconf_dad_begin+0x310/0x670 [ 8192.268483][ T10] addrconf_dad_work+0x10b/0xab0 [ 8192.268483][ T10] process_one_work+0x84d/0x18a0 [ 8192.268483][ T10] worker_thread+0x587/0xd30 [ 8192.268483][ T10] kthread+0x28a/0x350 [ 8192.268483][ T10] ret_from_fork+0x31/0x70 [ 8192.268483][ T10] ret_from_fork_asm+0x1a/0x30 [ 8192.268483][ T10] [ 8192.270567][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8192.270567][ T10] netdev_get_by_index+0x5e/0x80 [ 8192.270567][ T10] fib6_nh_init+0x3d8/0x1580 [ 8192.270567][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8192.270567][ T10] ip6_route_add+0x1c/0x140 [ 8192.270567][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8192.270567][ T10] inet6_addr_add+0x4f8/0xa40 [ 8192.270567][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8192.270567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8192.270567][ T10] netlink_rcv_skb+0x130/0x360 [ 8192.270567][ T10] netlink_unicast+0x449/0x710 [ 8192.270567][ T10] netlink_sendmsg+0x723/0xbe0 [ 8192.270567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8192.270567][ T10] ___sys_sendmsg+0xee/0x170 [ 8192.270567][ T10] __sys_sendmsg+0xcd/0x170 [ 8192.270567][ T10] do_syscall_64+0xc6/0x1e0 [ 8192.270567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8192.270567][ T10] [ 8192.272784][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8192.272784][ T10] netdev_get_by_index+0x5e/0x80 [ 8192.272784][ T10] fib6_nh_init+0x3d8/0x1580 [ 8192.272784][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8192.272784][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8192.272784][ T10] ipv6_add_addr+0x411/0x2000 [ 8192.272784][ T10] inet6_addr_add+0x30e/0xa40 [ 8192.272784][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8192.272784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8192.272784][ T10] netlink_rcv_skb+0x130/0x360 [ 8192.272784][ T10] netlink_unicast+0x449/0x710 [ 8192.272784][ T10] netlink_sendmsg+0x723/0xbe0 [ 8192.272784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8192.272784][ T10] ___sys_sendmsg+0xee/0x170 [ 8192.272784][ T10] __sys_sendmsg+0xcd/0x170 [ 8192.272784][ T10] do_syscall_64+0xc6/0x1e0 [ 8192.272784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8192.272784][ T10] [ 8192.275006][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8192.275006][ T10] netdev_get_by_index+0x5e/0x80 [ 8192.275006][ T10] fib6_nh_init+0x3d8/0x1580 [ 8192.275006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8192.275006][ T10] ip6_route_add+0x1c/0x140 [ 8192.275006][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8192.275006][ T10] addrconf_add_dev+0xe2/0x170 [ 8192.275006][ T10] inet6_addr_add+0x12f/0xa40 [ 8192.275006][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8192.275006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8192.275006][ T10] netlink_rcv_skb+0x130/0x360 [ 8192.275006][ T10] netlink_unicast+0x449/0x710 [ 8192.275006][ T10] netlink_sendmsg+0x723/0xbe0 [ 8192.275006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8192.275006][ T10] ___sys_sendmsg+0xee/0x170 [ 8192.275006][ T10] __sys_sendmsg+0xcd/0x170 [ 8192.275006][ T10] do_syscall_64+0xc6/0x1e0 [ 8192.275006][ T10] [ 8192.277203][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8192.277203][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8192.277203][ T10] ipv6_find_idev+0x102/0x170 [ 8192.277203][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8192.277203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8192.277203][ T10] netlink_rcv_skb+0x130/0x360 [ 8192.277203][ T10] netlink_unicast+0x449/0x710 [ 8192.277203][ T10] netlink_sendmsg+0x723/0xbe0 [ 8192.277203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8192.277203][ T10] ___sys_sendmsg+0xee/0x170 [ 8192.277203][ T10] __sys_sendmsg+0xcd/0x170 [ 8192.277203][ T10] do_syscall_64+0xc6/0x1e0 [ 8192.277203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8192.277203][ T10] [ 8192.278969][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8192.278969][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8192.278969][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8192.278969][ T10] ipv6_find_idev+0x102/0x170 [ 8192.278969][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8192.278969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8192.278969][ T10] netlink_rcv_skb+0x130/0x360 [ 8192.278969][ T10] netlink_unicast+0x449/0x710 [ 8192.278969][ T10] netlink_sendmsg+0x723/0xbe0 [ 8192.278969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8192.278969][ T10] ___sys_sendmsg+0xee/0x170 [ 8192.278969][ T10] __sys_sendmsg+0xcd/0x170 [ 8192.278969][ T10] do_syscall_64+0xc6/0x1e0 [ 8192.278969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8192.278969][ T10] [ 8192.481107][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8192.481472][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8192.481472][ T1167] dst_init+0x84/0x4a0 [ 8192.481472][ T1167] dst_alloc+0x97/0x150 [ 8192.481472][ T1167] ip6_dst_alloc+0x23/0x90 [ 8192.481472][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8192.481472][ T1167] ip6_pol_route+0x56f/0x840 [ 8192.481472][ T1167] fib6_rule_lookup+0x334/0x630 [ 8192.481472][ T1167] ip6_route_output_flags+0x259/0x480 [ 8192.481472][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8192.481472][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8192.481472][ T1167] netlink_rcv_skb+0x130/0x360 [ 8192.481472][ T1167] netlink_unicast+0x449/0x710 [ 8192.481472][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8192.481472][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8192.481472][ T1167] ___sys_sendmsg+0xee/0x170 [ 8192.481472][ T1167] __sys_sendmsg+0xcd/0x170 [ 8192.481472][ T1167] do_syscall_64+0xc6/0x1e0 [ 8192.481472][ T1167] [ 8192.483694][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8192.483694][ T1167] netdev_get_by_index+0x5e/0x80 [ 8192.483694][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8192.483694][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8192.483694][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8192.483694][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8192.483694][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8192.483694][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8192.483694][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8192.483694][ T1167] addrconf_dad_begin+0x310/0x670 [ 8192.483694][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8192.483694][ T1167] process_one_work+0x84d/0x18a0 [ 8192.483694][ T1167] worker_thread+0x587/0xd30 [ 8192.483694][ T1167] kthread+0x28a/0x350 [ 8192.483694][ T1167] ret_from_fork+0x31/0x70 [ 8192.483694][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8192.483694][ T1167] [ 8192.485852][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8192.485852][ T1167] netdev_get_by_index+0x5e/0x80 [ 8192.485852][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8192.485852][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8192.485852][ T1167] ip6_route_add+0x1c/0x140 [ 8192.485852][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8192.485852][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8192.485852][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8192.485852][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8192.485852][ T1167] netlink_rcv_skb+0x130/0x360 [ 8192.485852][ T1167] netlink_unicast+0x449/0x710 [ 8192.485852][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8192.485852][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8192.485852][ T1167] ___sys_sendmsg+0xee/0x170 [ 8192.485852][ T1167] __sys_sendmsg+0xcd/0x170 [ 8192.485852][ T1167] do_syscall_64+0xc6/0x1e0 [ 8192.485852][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8192.485852][ T1167] [ 8192.488106][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8192.488106][ T1167] netdev_get_by_index+0x5e/0x80 [ 8192.488106][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8192.488106][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8192.488106][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8192.488106][ T1167] ipv6_add_addr+0x411/0x2000 [ 8192.488106][ T1167] inet6_addr_add+0x30e/0xa40 [ 8192.488106][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8192.488106][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8192.488106][ T1167] netlink_rcv_skb+0x130/0x360 [ 8192.488106][ T1167] netlink_unicast+0x449/0x710 [ 8192.488106][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8192.488106][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8192.488106][ T1167] ___sys_sendmsg+0xee/0x170 [ 8192.488106][ T1167] __sys_sendmsg+0xcd/0x170 [ 8192.488106][ T1167] do_syscall_64+0xc6/0x1e0 [ 8192.488106][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8192.488106][ T1167] [ 8192.490371][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8192.490371][ T1167] netdev_get_by_index+0x5e/0x80 [ 8192.490371][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8192.490371][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8192.490371][ T1167] ip6_route_add+0x1c/0x140 [ 8192.490371][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8192.490371][ T1167] addrconf_add_dev+0xe2/0x170 [ 8192.490371][ T1167] inet6_addr_add+0x12f/0xa40 [ 8192.490371][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8192.490371][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8192.490371][ T1167] netlink_rcv_skb+0x130/0x360 [ 8192.490371][ T1167] netlink_unicast+0x449/0x710 [ 8192.490371][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8192.490371][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8192.490371][ T1167] ___sys_sendmsg+0xee/0x170 [ 8192.490371][ T1167] __sys_sendmsg+0xcd/0x170 [ 8192.490371][ T1167] do_syscall_64+0xc6/0x1e0 [ 8192.490371][ T1167] [ 8192.492590][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8192.492590][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8192.492590][ T1167] ipv6_find_idev+0x102/0x170 [ 8192.492590][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8192.492590][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8192.492590][ T1167] netlink_rcv_skb+0x130/0x360 [ 8192.492590][ T1167] netlink_unicast+0x449/0x710 [ 8192.492590][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8192.492590][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8192.492590][ T1167] ___sys_sendmsg+0xee/0x170 [ 8192.492590][ T1167] __sys_sendmsg+0xcd/0x170 [ 8192.492590][ T1167] do_syscall_64+0xc6/0x1e0 [ 8192.492590][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8192.492590][ T1167] [ 8192.494321][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8192.494321][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8192.494321][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8192.494321][ T1167] ipv6_find_idev+0x102/0x170 [ 8192.494321][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8192.494321][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8192.494321][ T1167] netlink_rcv_skb+0x130/0x360 [ 8192.494321][ T1167] netlink_unicast+0x449/0x710 [ 8192.494321][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8192.494321][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8192.494321][ T1167] ___sys_sendmsg+0xee/0x170 [ 8192.494321][ T1167] __sys_sendmsg+0xcd/0x170 [ 8192.494321][ T1167] do_syscall_64+0xc6/0x1e0 [ 8192.494321][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8192.494321][ T1167] [ 8202.521113][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8202.521466][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8202.521466][ T10] netdev_get_by_index+0x5e/0x80 [ 8202.521466][ T10] fib6_nh_init+0x3d8/0x1580 [ 8202.521466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8202.521466][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8202.521466][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8202.521466][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8202.521466][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8202.521466][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8202.521466][ T10] addrconf_dad_begin+0x310/0x670 [ 8202.521466][ T10] addrconf_dad_work+0x10b/0xab0 [ 8202.521466][ T10] process_one_work+0x84d/0x18a0 [ 8202.521466][ T10] worker_thread+0x587/0xd30 [ 8202.521466][ T10] kthread+0x28a/0x350 [ 8202.521466][ T10] ret_from_fork+0x31/0x70 [ 8202.521466][ T10] ret_from_fork_asm+0x1a/0x30 [ 8202.521466][ T10] [ 8202.523397][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8202.523397][ T10] netdev_get_by_index+0x5e/0x80 [ 8202.523397][ T10] fib6_nh_init+0x3d8/0x1580 [ 8202.523397][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8202.523397][ T10] ip6_route_add+0x1c/0x140 [ 8202.523397][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8202.523397][ T10] inet6_addr_add+0x4f8/0xa40 [ 8202.523397][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8202.523397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8202.523397][ T10] netlink_rcv_skb+0x130/0x360 [ 8202.523397][ T10] netlink_unicast+0x449/0x710 [ 8202.523397][ T10] netlink_sendmsg+0x723/0xbe0 [ 8202.523397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8202.523397][ T10] ___sys_sendmsg+0xee/0x170 [ 8202.523397][ T10] __sys_sendmsg+0xcd/0x170 [ 8202.523397][ T10] do_syscall_64+0xc6/0x1e0 [ 8202.523397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8202.523397][ T10] [ 8202.525380][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8202.525380][ T10] netdev_get_by_index+0x5e/0x80 [ 8202.525380][ T10] fib6_nh_init+0x3d8/0x1580 [ 8202.525380][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8202.525380][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8202.525380][ T10] ipv6_add_addr+0x411/0x2000 [ 8202.525380][ T10] inet6_addr_add+0x30e/0xa40 [ 8202.525380][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8202.525380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8202.525380][ T10] netlink_rcv_skb+0x130/0x360 [ 8202.525380][ T10] netlink_unicast+0x449/0x710 [ 8202.525380][ T10] netlink_sendmsg+0x723/0xbe0 [ 8202.525380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8202.525380][ T10] ___sys_sendmsg+0xee/0x170 [ 8202.525380][ T10] __sys_sendmsg+0xcd/0x170 [ 8202.525380][ T10] do_syscall_64+0xc6/0x1e0 [ 8202.525380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8202.525380][ T10] [ 8202.527363][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8202.527363][ T10] netdev_get_by_index+0x5e/0x80 [ 8202.527363][ T10] fib6_nh_init+0x3d8/0x1580 [ 8202.527363][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8202.527363][ T10] ip6_route_add+0x1c/0x140 [ 8202.527363][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8202.527363][ T10] addrconf_add_dev+0xe2/0x170 [ 8202.527363][ T10] inet6_addr_add+0x12f/0xa40 [ 8202.527363][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8202.527363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8202.527363][ T10] netlink_rcv_skb+0x130/0x360 [ 8202.527363][ T10] netlink_unicast+0x449/0x710 [ 8202.527363][ T10] netlink_sendmsg+0x723/0xbe0 [ 8202.527363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8202.527363][ T10] ___sys_sendmsg+0xee/0x170 [ 8202.527363][ T10] __sys_sendmsg+0xcd/0x170 [ 8202.527363][ T10] do_syscall_64+0xc6/0x1e0 [ 8202.527363][ T10] [ 8202.529317][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8202.529317][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8202.529317][ T10] ipv6_find_idev+0x102/0x170 [ 8202.529317][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8202.529317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8202.529317][ T10] netlink_rcv_skb+0x130/0x360 [ 8202.529317][ T10] netlink_unicast+0x449/0x710 [ 8202.529317][ T10] netlink_sendmsg+0x723/0xbe0 [ 8202.529317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8202.529317][ T10] ___sys_sendmsg+0xee/0x170 [ 8202.529317][ T10] __sys_sendmsg+0xcd/0x170 [ 8202.529317][ T10] do_syscall_64+0xc6/0x1e0 [ 8202.529317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8202.529317][ T10] [ 8202.530850][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8202.530850][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8202.530850][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8202.530850][ T10] ipv6_find_idev+0x102/0x170 [ 8202.530850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8202.530850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8202.530850][ T10] netlink_rcv_skb+0x130/0x360 [ 8202.530850][ T10] netlink_unicast+0x449/0x710 [ 8202.530850][ T10] netlink_sendmsg+0x723/0xbe0 [ 8202.530850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8202.530850][ T10] ___sys_sendmsg+0xee/0x170 [ 8202.530850][ T10] __sys_sendmsg+0xcd/0x170 [ 8202.530850][ T10] do_syscall_64+0xc6/0x1e0 [ 8202.530850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8202.530850][ T10] [ 8202.532529][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8202.532771][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8202.532771][ T10] netdev_get_by_index+0x5e/0x80 [ 8202.532771][ T10] fib6_nh_init+0x3d8/0x1580 [ 8202.532771][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8202.532771][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8202.532771][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8202.532771][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8202.532771][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8202.532771][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8202.532771][ T10] addrconf_dad_begin+0x310/0x670 [ 8202.532771][ T10] addrconf_dad_work+0x10b/0xab0 [ 8202.532771][ T10] process_one_work+0x84d/0x18a0 [ 8202.532771][ T10] worker_thread+0x587/0xd30 [ 8202.532771][ T10] kthread+0x28a/0x350 [ 8202.532771][ T10] ret_from_fork+0x31/0x70 [ 8202.532771][ T10] ret_from_fork_asm+0x1a/0x30 [ 8202.532771][ T10] [ 8202.534664][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8202.534664][ T10] netdev_get_by_index+0x5e/0x80 [ 8202.534664][ T10] fib6_nh_init+0x3d8/0x1580 [ 8202.534664][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8202.534664][ T10] ip6_route_add+0x1c/0x140 [ 8202.534664][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8202.534664][ T10] inet6_addr_add+0x4f8/0xa40 [ 8202.534664][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8202.534664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8202.534664][ T10] netlink_rcv_skb+0x130/0x360 [ 8202.534664][ T10] netlink_unicast+0x449/0x710 [ 8202.534664][ T10] netlink_sendmsg+0x723/0xbe0 [ 8202.534664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8202.534664][ T10] ___sys_sendmsg+0xee/0x170 [ 8202.534664][ T10] __sys_sendmsg+0xcd/0x170 [ 8202.534664][ T10] do_syscall_64+0xc6/0x1e0 [ 8202.534664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8202.534664][ T10] [ 8202.536639][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8202.536639][ T10] netdev_get_by_index+0x5e/0x80 [ 8202.536639][ T10] fib6_nh_init+0x3d8/0x1580 [ 8202.536639][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8202.536639][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8202.536639][ T10] ipv6_add_addr+0x411/0x2000 [ 8202.536639][ T10] inet6_addr_add+0x30e/0xa40 [ 8202.536639][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8202.536639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8202.536639][ T10] netlink_rcv_skb+0x130/0x360 [ 8202.536639][ T10] netlink_unicast+0x449/0x710 [ 8202.536639][ T10] netlink_sendmsg+0x723/0xbe0 [ 8202.536639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8202.536639][ T10] ___sys_sendmsg+0xee/0x170 [ 8202.536639][ T10] __sys_sendmsg+0xcd/0x170 [ 8202.536639][ T10] do_syscall_64+0xc6/0x1e0 [ 8202.536639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8202.536639][ T10] [ 8202.538612][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8202.538612][ T10] netdev_get_by_index+0x5e/0x80 [ 8202.538612][ T10] fib6_nh_init+0x3d8/0x1580 [ 8202.538612][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8202.538612][ T10] ip6_route_add+0x1c/0x140 [ 8202.538612][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8202.538612][ T10] addrconf_add_dev+0xe2/0x170 [ 8202.538612][ T10] inet6_addr_add+0x12f/0xa40 [ 8202.538612][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8202.538612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8202.538612][ T10] netlink_rcv_skb+0x130/0x360 [ 8202.538612][ T10] netlink_unicast+0x449/0x710 [ 8202.538612][ T10] netlink_sendmsg+0x723/0xbe0 [ 8202.538612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8202.538612][ T10] ___sys_sendmsg+0xee/0x170 [ 8202.538612][ T10] __sys_sendmsg+0xcd/0x170 [ 8202.538612][ T10] do_syscall_64+0xc6/0x1e0 [ 8202.538612][ T10] [ 8202.540569][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8202.540569][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8202.540569][ T10] ipv6_find_idev+0x102/0x170 [ 8202.540569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8202.540569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8202.540569][ T10] netlink_rcv_skb+0x130/0x360 [ 8202.540569][ T10] netlink_unicast+0x449/0x710 [ 8202.540569][ T10] netlink_sendmsg+0x723/0xbe0 [ 8202.540569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8202.540569][ T10] ___sys_sendmsg+0xee/0x170 [ 8202.540569][ T10] __sys_sendmsg+0xcd/0x170 [ 8202.540569][ T10] do_syscall_64+0xc6/0x1e0 [ 8202.540569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8202.540569][ T10] [ 8202.542093][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8202.542093][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8202.542093][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8202.542093][ T10] ipv6_find_idev+0x102/0x170 [ 8202.542093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8202.542093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8202.542093][ T10] netlink_rcv_skb+0x130/0x360 [ 8202.542093][ T10] netlink_unicast+0x449/0x710 [ 8202.542093][ T10] netlink_sendmsg+0x723/0xbe0 [ 8202.542093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8202.542093][ T10] ___sys_sendmsg+0xee/0x170 [ 8202.542093][ T10] __sys_sendmsg+0xcd/0x170 [ 8202.542093][ T10] do_syscall_64+0xc6/0x1e0 [ 8202.542093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8202.542093][ T10] [ 8202.543773][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8202.544008][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8202.544008][ T10] netdev_get_by_index+0x5e/0x80 [ 8202.544008][ T10] fib6_nh_init+0x3d8/0x1580 [ 8202.544008][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8202.544008][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8202.544008][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8202.544008][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8202.544008][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8202.544008][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8202.544008][ T10] addrconf_dad_begin+0x310/0x670 [ 8202.544008][ T10] addrconf_dad_work+0x10b/0xab0 [ 8202.544008][ T10] process_one_work+0x84d/0x18a0 [ 8202.544008][ T10] worker_thread+0x587/0xd30 [ 8202.544008][ T10] kthread+0x28a/0x350 [ 8202.544008][ T10] ret_from_fork+0x31/0x70 [ 8202.544008][ T10] ret_from_fork_asm+0x1a/0x30 [ 8202.544008][ T10] [ 8202.545901][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8202.545901][ T10] netdev_get_by_index+0x5e/0x80 [ 8202.545901][ T10] fib6_nh_init+0x3d8/0x1580 [ 8202.545901][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8202.545901][ T10] ip6_route_add+0x1c/0x140 [ 8202.545901][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8202.545901][ T10] inet6_addr_add+0x4f8/0xa40 [ 8202.545901][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8202.545901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8202.545901][ T10] netlink_rcv_skb+0x130/0x360 [ 8202.545901][ T10] netlink_unicast+0x449/0x710 [ 8202.545901][ T10] netlink_sendmsg+0x723/0xbe0 [ 8202.545901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8202.545901][ T10] ___sys_sendmsg+0xee/0x170 [ 8202.545901][ T10] __sys_sendmsg+0xcd/0x170 [ 8202.545901][ T10] do_syscall_64+0xc6/0x1e0 [ 8202.545901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8202.545901][ T10] [ 8202.548130][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8202.548130][ T10] netdev_get_by_index+0x5e/0x80 [ 8202.548130][ T10] fib6_nh_init+0x3d8/0x1580 [ 8202.548130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8202.548130][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8202.548130][ T10] ipv6_add_addr+0x411/0x2000 [ 8202.548130][ T10] inet6_addr_add+0x30e/0xa40 [ 8202.548130][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8202.548130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8202.548130][ T10] netlink_rcv_skb+0x130/0x360 [ 8202.548130][ T10] netlink_unicast+0x449/0x710 [ 8202.548130][ T10] netlink_sendmsg+0x723/0xbe0 [ 8202.548130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8202.548130][ T10] ___sys_sendmsg+0xee/0x170 [ 8202.548130][ T10] __sys_sendmsg+0xcd/0x170 [ 8202.548130][ T10] do_syscall_64+0xc6/0x1e0 [ 8202.548130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8202.548130][ T10] [ 8202.550292][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8202.550292][ T10] netdev_get_by_index+0x5e/0x80 [ 8202.550292][ T10] fib6_nh_init+0x3d8/0x1580 [ 8202.550292][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8202.550292][ T10] ip6_route_add+0x1c/0x140 [ 8202.550292][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8202.550292][ T10] addrconf_add_dev+0xe2/0x170 [ 8202.550292][ T10] inet6_addr_add+0x12f/0xa40 [ 8202.550292][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8202.550292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8202.550292][ T10] netlink_rcv_skb+0x130/0x360 [ 8202.550292][ T10] netlink_unicast+0x449/0x710 [ 8202.550292][ T10] netlink_sendmsg+0x723/0xbe0 [ 8202.550292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8202.550292][ T10] ___sys_sendmsg+0xee/0x170 [ 8202.550292][ T10] __sys_sendmsg+0xcd/0x170 [ 8202.550292][ T10] do_syscall_64+0xc6/0x1e0 [ 8202.550292][ T10] [ 8202.552479][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8202.552479][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8202.552479][ T10] ipv6_find_idev+0x102/0x170 [ 8202.552479][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8202.552479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8202.552479][ T10] netlink_rcv_skb+0x130/0x360 [ 8202.552479][ T10] netlink_unicast+0x449/0x710 [ 8202.552479][ T10] netlink_sendmsg+0x723/0xbe0 [ 8202.552479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8202.552479][ T10] ___sys_sendmsg+0xee/0x170 [ 8202.552479][ T10] __sys_sendmsg+0xcd/0x170 [ 8202.552479][ T10] do_syscall_64+0xc6/0x1e0 [ 8202.552479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8202.552479][ T10] [ 8202.554184][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8202.554184][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8202.554184][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8202.554184][ T10] ipv6_find_idev+0x102/0x170 [ 8202.554184][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8202.554184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8202.554184][ T10] netlink_rcv_skb+0x130/0x360 [ 8202.554184][ T10] netlink_unicast+0x449/0x710 [ 8202.554184][ T10] netlink_sendmsg+0x723/0xbe0 [ 8202.554184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8202.554184][ T10] ___sys_sendmsg+0xee/0x170 [ 8202.554184][ T10] __sys_sendmsg+0xcd/0x170 [ 8202.554184][ T10] do_syscall_64+0xc6/0x1e0 [ 8202.554184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8202.554184][ T10] [ 8202.556037][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8202.556329][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8202.556329][ T10] netdev_get_by_index+0x5e/0x80 [ 8202.556329][ T10] fib6_nh_init+0x3d8/0x1580 [ 8202.556329][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8202.556329][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8202.556329][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8202.556329][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8202.556329][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8202.556329][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8202.556329][ T10] addrconf_dad_begin+0x310/0x670 [ 8202.556329][ T10] addrconf_dad_work+0x10b/0xab0 [ 8202.556329][ T10] process_one_work+0x84d/0x18a0 [ 8202.556329][ T10] worker_thread+0x587/0xd30 [ 8202.556329][ T10] kthread+0x28a/0x350 [ 8202.556329][ T10] ret_from_fork+0x31/0x70 [ 8202.556329][ T10] ret_from_fork_asm+0x1a/0x30 [ 8202.556329][ T10] [ 8202.558332][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8202.558332][ T10] netdev_get_by_index+0x5e/0x80 [ 8202.558332][ T10] fib6_nh_init+0x3d8/0x1580 [ 8202.558332][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8202.558332][ T10] ip6_route_add+0x1c/0x140 [ 8202.558332][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8202.558332][ T10] inet6_addr_add+0x4f8/0xa40 [ 8202.558332][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8202.558332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8202.558332][ T10] netlink_rcv_skb+0x130/0x360 [ 8202.558332][ T10] netlink_unicast+0x449/0x710 [ 8202.558332][ T10] netlink_sendmsg+0x723/0xbe0 [ 8202.558332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8202.558332][ T10] ___sys_sendmsg+0xee/0x170 [ 8202.558332][ T10] __sys_sendmsg+0xcd/0x170 [ 8202.558332][ T10] do_syscall_64+0xc6/0x1e0 [ 8202.558332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8202.558332][ T10] [ 8202.560558][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8202.560558][ T10] netdev_get_by_index+0x5e/0x80 [ 8202.560558][ T10] fib6_nh_init+0x3d8/0x1580 [ 8202.560558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8202.560558][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8202.560558][ T10] ipv6_add_addr+0x411/0x2000 [ 8202.560558][ T10] inet6_addr_add+0x30e/0xa40 [ 8202.560558][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8202.560558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8202.560558][ T10] netlink_rcv_skb+0x130/0x360 [ 8202.560558][ T10] netlink_unicast+0x449/0x710 [ 8202.560558][ T10] netlink_sendmsg+0x723/0xbe0 [ 8202.560558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8202.560558][ T10] ___sys_sendmsg+0xee/0x170 [ 8202.560558][ T10] __sys_sendmsg+0xcd/0x170 [ 8202.560558][ T10] do_syscall_64+0xc6/0x1e0 [ 8202.560558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8202.560558][ T10] [ 8202.562771][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8202.562771][ T10] netdev_get_by_index+0x5e/0x80 [ 8202.562771][ T10] fib6_nh_init+0x3d8/0x1580 [ 8202.562771][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8202.562771][ T10] ip6_route_add+0x1c/0x140 [ 8202.562771][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8202.562771][ T10] addrconf_add_dev+0xe2/0x170 [ 8202.562771][ T10] inet6_addr_add+0x12f/0xa40 [ 8202.562771][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8202.562771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8202.562771][ T10] netlink_rcv_skb+0x130/0x360 [ 8202.562771][ T10] netlink_unicast+0x449/0x710 [ 8202.562771][ T10] netlink_sendmsg+0x723/0xbe0 [ 8202.562771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8202.562771][ T10] ___sys_sendmsg+0xee/0x170 [ 8202.562771][ T10] __sys_sendmsg+0xcd/0x170 [ 8202.562771][ T10] do_syscall_64+0xc6/0x1e0 [ 8202.562771][ T10] [ 8202.565012][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8202.565012][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8202.565012][ T10] ipv6_find_idev+0x102/0x170 [ 8202.565012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8202.565012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8202.565012][ T10] netlink_rcv_skb+0x130/0x360 [ 8202.565012][ T10] netlink_unicast+0x449/0x710 [ 8202.565012][ T10] netlink_sendmsg+0x723/0xbe0 [ 8202.565012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8202.565012][ T10] ___sys_sendmsg+0xee/0x170 [ 8202.565012][ T10] __sys_sendmsg+0xcd/0x170 [ 8202.565012][ T10] do_syscall_64+0xc6/0x1e0 [ 8202.565012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8202.565012][ T10] [ 8202.566716][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8202.566716][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8202.566716][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8202.566716][ T10] ipv6_find_idev+0x102/0x170 [ 8202.566716][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8202.566716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8202.566716][ T10] netlink_rcv_skb+0x130/0x360 [ 8202.566716][ T10] netlink_unicast+0x449/0x710 [ 8202.566716][ T10] netlink_sendmsg+0x723/0xbe0 [ 8202.566716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8202.566716][ T10] ___sys_sendmsg+0xee/0x170 [ 8202.566716][ T10] __sys_sendmsg+0xcd/0x170 [ 8202.566716][ T10] do_syscall_64+0xc6/0x1e0 [ 8202.566716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8202.566716][ T10] [ 8202.737102][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8202.737554][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8202.737554][ T1167] dst_init+0x84/0x4a0 [ 8202.737554][ T1167] dst_alloc+0x97/0x150 [ 8202.737554][ T1167] ip6_dst_alloc+0x23/0x90 [ 8202.737554][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8202.737554][ T1167] ip6_pol_route+0x56f/0x840 [ 8202.737554][ T1167] fib6_rule_lookup+0x334/0x630 [ 8202.737554][ T1167] ip6_route_output_flags+0x259/0x480 [ 8202.737554][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8202.737554][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8202.737554][ T1167] netlink_rcv_skb+0x130/0x360 [ 8202.737554][ T1167] netlink_unicast+0x449/0x710 [ 8202.737554][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8202.737554][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8202.737554][ T1167] ___sys_sendmsg+0xee/0x170 [ 8202.737554][ T1167] __sys_sendmsg+0xcd/0x170 [ 8202.737554][ T1167] do_syscall_64+0xc6/0x1e0 [ 8202.737554][ T1167] [ 8202.739770][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8202.739770][ T1167] netdev_get_by_index+0x5e/0x80 [ 8202.739770][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8202.739770][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8202.739770][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8202.739770][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8202.739770][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8202.739770][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8202.739770][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8202.739770][ T1167] addrconf_dad_begin+0x310/0x670 [ 8202.739770][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8202.739770][ T1167] process_one_work+0x84d/0x18a0 [ 8202.739770][ T1167] worker_thread+0x587/0xd30 [ 8202.739770][ T1167] kthread+0x28a/0x350 [ 8202.739770][ T1167] ret_from_fork+0x31/0x70 [ 8202.739770][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8202.739770][ T1167] [ 8202.741918][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8202.741918][ T1167] netdev_get_by_index+0x5e/0x80 [ 8202.741918][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8202.741918][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8202.741918][ T1167] ip6_route_add+0x1c/0x140 [ 8202.741918][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8202.741918][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8202.741918][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8202.741918][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8202.741918][ T1167] netlink_rcv_skb+0x130/0x360 [ 8202.741918][ T1167] netlink_unicast+0x449/0x710 [ 8202.741918][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8202.741918][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8202.741918][ T1167] ___sys_sendmsg+0xee/0x170 [ 8202.741918][ T1167] __sys_sendmsg+0xcd/0x170 [ 8202.741918][ T1167] do_syscall_64+0xc6/0x1e0 [ 8202.741918][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8202.741918][ T1167] [ 8202.744169][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8202.744169][ T1167] netdev_get_by_index+0x5e/0x80 [ 8202.744169][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8202.744169][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8202.744169][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8202.744169][ T1167] ipv6_add_addr+0x411/0x2000 [ 8202.744169][ T1167] inet6_addr_add+0x30e/0xa40 [ 8202.744169][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8202.744169][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8202.744169][ T1167] netlink_rcv_skb+0x130/0x360 [ 8202.744169][ T1167] netlink_unicast+0x449/0x710 [ 8202.744169][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8202.744169][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8202.744169][ T1167] ___sys_sendmsg+0xee/0x170 [ 8202.744169][ T1167] __sys_sendmsg+0xcd/0x170 [ 8202.744169][ T1167] do_syscall_64+0xc6/0x1e0 [ 8202.744169][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8202.744169][ T1167] [ 8202.746434][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8202.746434][ T1167] netdev_get_by_index+0x5e/0x80 [ 8202.746434][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8202.746434][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8202.746434][ T1167] ip6_route_add+0x1c/0x140 [ 8202.746434][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8202.746434][ T1167] addrconf_add_dev+0xe2/0x170 [ 8202.746434][ T1167] inet6_addr_add+0x12f/0xa40 [ 8202.746434][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8202.746434][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8202.746434][ T1167] netlink_rcv_skb+0x130/0x360 [ 8202.746434][ T1167] netlink_unicast+0x449/0x710 [ 8202.746434][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8202.746434][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8202.746434][ T1167] ___sys_sendmsg+0xee/0x170 [ 8202.746434][ T1167] __sys_sendmsg+0xcd/0x170 [ 8202.746434][ T1167] do_syscall_64+0xc6/0x1e0 [ 8202.746434][ T1167] [ 8202.748643][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8202.748643][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8202.748643][ T1167] ipv6_find_idev+0x102/0x170 [ 8202.748643][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8202.748643][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8202.748643][ T1167] netlink_rcv_skb+0x130/0x360 [ 8202.748643][ T1167] netlink_unicast+0x449/0x710 [ 8202.748643][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8202.748643][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8202.748643][ T1167] ___sys_sendmsg+0xee/0x170 [ 8202.748643][ T1167] __sys_sendmsg+0xcd/0x170 [ 8202.748643][ T1167] do_syscall_64+0xc6/0x1e0 [ 8202.748643][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8202.748643][ T1167] [ 8202.750387][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8202.750387][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8202.750387][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8202.750387][ T1167] ipv6_find_idev+0x102/0x170 [ 8202.750387][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8202.750387][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8202.750387][ T1167] netlink_rcv_skb+0x130/0x360 [ 8202.750387][ T1167] netlink_unicast+0x449/0x710 [ 8202.750387][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8202.750387][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8202.750387][ T1167] ___sys_sendmsg+0xee/0x170 [ 8202.750387][ T1167] __sys_sendmsg+0xcd/0x170 [ 8202.750387][ T1167] do_syscall_64+0xc6/0x1e0 [ 8202.750387][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8202.750387][ T1167] [ 8212.697110][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8212.697457][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8212.697457][ T10] netdev_get_by_index+0x5e/0x80 [ 8212.697457][ T10] fib6_nh_init+0x3d8/0x1580 [ 8212.697457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8212.697457][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8212.697457][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8212.697457][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8212.697457][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8212.697457][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8212.697457][ T10] addrconf_dad_begin+0x310/0x670 [ 8212.697457][ T10] addrconf_dad_work+0x10b/0xab0 [ 8212.697457][ T10] process_one_work+0x84d/0x18a0 [ 8212.697457][ T10] worker_thread+0x587/0xd30 [ 8212.697457][ T10] kthread+0x28a/0x350 [ 8212.697457][ T10] ret_from_fork+0x31/0x70 [ 8212.697457][ T10] ret_from_fork_asm+0x1a/0x30 [ 8212.697457][ T10] [ 8212.699373][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8212.699373][ T10] netdev_get_by_index+0x5e/0x80 [ 8212.699373][ T10] fib6_nh_init+0x3d8/0x1580 [ 8212.699373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8212.699373][ T10] ip6_route_add+0x1c/0x140 [ 8212.699373][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8212.699373][ T10] inet6_addr_add+0x4f8/0xa40 [ 8212.699373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8212.699373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8212.699373][ T10] netlink_rcv_skb+0x130/0x360 [ 8212.699373][ T10] netlink_unicast+0x449/0x710 [ 8212.699373][ T10] netlink_sendmsg+0x723/0xbe0 [ 8212.699373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8212.699373][ T10] ___sys_sendmsg+0xee/0x170 [ 8212.699373][ T10] __sys_sendmsg+0xcd/0x170 [ 8212.699373][ T10] do_syscall_64+0xc6/0x1e0 [ 8212.699373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8212.699373][ T10] [ 8212.701365][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8212.701365][ T10] netdev_get_by_index+0x5e/0x80 [ 8212.701365][ T10] fib6_nh_init+0x3d8/0x1580 [ 8212.701365][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8212.701365][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8212.701365][ T10] ipv6_add_addr+0x411/0x2000 [ 8212.701365][ T10] inet6_addr_add+0x30e/0xa40 [ 8212.701365][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8212.701365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8212.701365][ T10] netlink_rcv_skb+0x130/0x360 [ 8212.701365][ T10] netlink_unicast+0x449/0x710 [ 8212.701365][ T10] netlink_sendmsg+0x723/0xbe0 [ 8212.701365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8212.701365][ T10] ___sys_sendmsg+0xee/0x170 [ 8212.701365][ T10] __sys_sendmsg+0xcd/0x170 [ 8212.701365][ T10] do_syscall_64+0xc6/0x1e0 [ 8212.701365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8212.701365][ T10] [ 8212.703353][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8212.703353][ T10] netdev_get_by_index+0x5e/0x80 [ 8212.703353][ T10] fib6_nh_init+0x3d8/0x1580 [ 8212.703353][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8212.703353][ T10] ip6_route_add+0x1c/0x140 [ 8212.703353][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8212.703353][ T10] addrconf_add_dev+0xe2/0x170 [ 8212.703353][ T10] inet6_addr_add+0x12f/0xa40 [ 8212.703353][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8212.703353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8212.703353][ T10] netlink_rcv_skb+0x130/0x360 [ 8212.703353][ T10] netlink_unicast+0x449/0x710 [ 8212.703353][ T10] netlink_sendmsg+0x723/0xbe0 [ 8212.703353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8212.703353][ T10] ___sys_sendmsg+0xee/0x170 [ 8212.703353][ T10] __sys_sendmsg+0xcd/0x170 [ 8212.703353][ T10] do_syscall_64+0xc6/0x1e0 [ 8212.703353][ T10] [ 8212.705291][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8212.705291][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8212.705291][ T10] ipv6_find_idev+0x102/0x170 [ 8212.705291][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8212.705291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8212.705291][ T10] netlink_rcv_skb+0x130/0x360 [ 8212.705291][ T10] netlink_unicast+0x449/0x710 [ 8212.705291][ T10] netlink_sendmsg+0x723/0xbe0 [ 8212.705291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8212.705291][ T10] ___sys_sendmsg+0xee/0x170 [ 8212.705291][ T10] __sys_sendmsg+0xcd/0x170 [ 8212.705291][ T10] do_syscall_64+0xc6/0x1e0 [ 8212.705291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8212.705291][ T10] [ 8212.706813][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8212.706813][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8212.706813][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8212.706813][ T10] ipv6_find_idev+0x102/0x170 [ 8212.706813][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8212.706813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8212.706813][ T10] netlink_rcv_skb+0x130/0x360 [ 8212.706813][ T10] netlink_unicast+0x449/0x710 [ 8212.706813][ T10] netlink_sendmsg+0x723/0xbe0 [ 8212.706813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8212.706813][ T10] ___sys_sendmsg+0xee/0x170 [ 8212.706813][ T10] __sys_sendmsg+0xcd/0x170 [ 8212.706813][ T10] do_syscall_64+0xc6/0x1e0 [ 8212.706813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8212.706813][ T10] [ 8212.708483][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8212.708732][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8212.708732][ T10] netdev_get_by_index+0x5e/0x80 [ 8212.708732][ T10] fib6_nh_init+0x3d8/0x1580 [ 8212.708732][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8212.708732][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8212.708732][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8212.708732][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8212.708732][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8212.708732][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8212.708732][ T10] addrconf_dad_begin+0x310/0x670 [ 8212.708732][ T10] addrconf_dad_work+0x10b/0xab0 [ 8212.708732][ T10] process_one_work+0x84d/0x18a0 [ 8212.708732][ T10] worker_thread+0x587/0xd30 [ 8212.708732][ T10] kthread+0x28a/0x350 [ 8212.708732][ T10] ret_from_fork+0x31/0x70 [ 8212.708732][ T10] ret_from_fork_asm+0x1a/0x30 [ 8212.708732][ T10] [ 8212.710622][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8212.710622][ T10] netdev_get_by_index+0x5e/0x80 [ 8212.710622][ T10] fib6_nh_init+0x3d8/0x1580 [ 8212.710622][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8212.710622][ T10] ip6_route_add+0x1c/0x140 [ 8212.710622][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8212.710622][ T10] inet6_addr_add+0x4f8/0xa40 [ 8212.710622][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8212.710622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8212.710622][ T10] netlink_rcv_skb+0x130/0x360 [ 8212.710622][ T10] netlink_unicast+0x449/0x710 [ 8212.710622][ T10] netlink_sendmsg+0x723/0xbe0 [ 8212.710622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8212.710622][ T10] ___sys_sendmsg+0xee/0x170 [ 8212.710622][ T10] __sys_sendmsg+0xcd/0x170 [ 8212.710622][ T10] do_syscall_64+0xc6/0x1e0 [ 8212.710622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8212.710622][ T10] [ 8212.712595][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8212.712595][ T10] netdev_get_by_index+0x5e/0x80 [ 8212.712595][ T10] fib6_nh_init+0x3d8/0x1580 [ 8212.712595][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8212.712595][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8212.712595][ T10] ipv6_add_addr+0x411/0x2000 [ 8212.712595][ T10] inet6_addr_add+0x30e/0xa40 [ 8212.712595][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8212.712595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8212.712595][ T10] netlink_rcv_skb+0x130/0x360 [ 8212.712595][ T10] netlink_unicast+0x449/0x710 [ 8212.712595][ T10] netlink_sendmsg+0x723/0xbe0 [ 8212.712595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8212.712595][ T10] ___sys_sendmsg+0xee/0x170 [ 8212.712595][ T10] __sys_sendmsg+0xcd/0x170 [ 8212.712595][ T10] do_syscall_64+0xc6/0x1e0 [ 8212.712595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8212.712595][ T10] [ 8212.714563][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8212.714563][ T10] netdev_get_by_index+0x5e/0x80 [ 8212.714563][ T10] fib6_nh_init+0x3d8/0x1580 [ 8212.714563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8212.714563][ T10] ip6_route_add+0x1c/0x140 [ 8212.714563][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8212.714563][ T10] addrconf_add_dev+0xe2/0x170 [ 8212.714563][ T10] inet6_addr_add+0x12f/0xa40 [ 8212.714563][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8212.714563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8212.714563][ T10] netlink_rcv_skb+0x130/0x360 [ 8212.714563][ T10] netlink_unicast+0x449/0x710 [ 8212.714563][ T10] netlink_sendmsg+0x723/0xbe0 [ 8212.714563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8212.714563][ T10] ___sys_sendmsg+0xee/0x170 [ 8212.714563][ T10] __sys_sendmsg+0xcd/0x170 [ 8212.714563][ T10] do_syscall_64+0xc6/0x1e0 [ 8212.714563][ T10] [ 8212.716498][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8212.716498][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8212.716498][ T10] ipv6_find_idev+0x102/0x170 [ 8212.716498][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8212.716498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8212.716498][ T10] netlink_rcv_skb+0x130/0x360 [ 8212.716498][ T10] netlink_unicast+0x449/0x710 [ 8212.716498][ T10] netlink_sendmsg+0x723/0xbe0 [ 8212.716498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8212.716498][ T10] ___sys_sendmsg+0xee/0x170 [ 8212.716498][ T10] __sys_sendmsg+0xcd/0x170 [ 8212.716498][ T10] do_syscall_64+0xc6/0x1e0 [ 8212.716498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8212.716498][ T10] [ 8212.718014][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8212.718014][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8212.718014][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8212.718014][ T10] ipv6_find_idev+0x102/0x170 [ 8212.718014][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8212.718014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8212.718014][ T10] netlink_rcv_skb+0x130/0x360 [ 8212.718014][ T10] netlink_unicast+0x449/0x710 [ 8212.718014][ T10] netlink_sendmsg+0x723/0xbe0 [ 8212.718014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8212.718014][ T10] ___sys_sendmsg+0xee/0x170 [ 8212.718014][ T10] __sys_sendmsg+0xcd/0x170 [ 8212.718014][ T10] do_syscall_64+0xc6/0x1e0 [ 8212.718014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8212.718014][ T10] [ 8212.719675][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8212.719909][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8212.719909][ T10] netdev_get_by_index+0x5e/0x80 [ 8212.719909][ T10] fib6_nh_init+0x3d8/0x1580 [ 8212.719909][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8212.719909][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8212.719909][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8212.719909][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8212.719909][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8212.719909][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8212.719909][ T10] addrconf_dad_begin+0x310/0x670 [ 8212.719909][ T10] addrconf_dad_work+0x10b/0xab0 [ 8212.719909][ T10] process_one_work+0x84d/0x18a0 [ 8212.719909][ T10] worker_thread+0x587/0xd30 [ 8212.719909][ T10] kthread+0x28a/0x350 [ 8212.719909][ T10] ret_from_fork+0x31/0x70 [ 8212.719909][ T10] ret_from_fork_asm+0x1a/0x30 [ 8212.719909][ T10] [ 8212.721793][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8212.721793][ T10] netdev_get_by_index+0x5e/0x80 [ 8212.721793][ T10] fib6_nh_init+0x3d8/0x1580 [ 8212.721793][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8212.721793][ T10] ip6_route_add+0x1c/0x140 [ 8212.721793][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8212.721793][ T10] inet6_addr_add+0x4f8/0xa40 [ 8212.721793][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8212.721793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8212.721793][ T10] netlink_rcv_skb+0x130/0x360 [ 8212.721793][ T10] netlink_unicast+0x449/0x710 [ 8212.721793][ T10] netlink_sendmsg+0x723/0xbe0 [ 8212.721793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8212.721793][ T10] ___sys_sendmsg+0xee/0x170 [ 8212.721793][ T10] __sys_sendmsg+0xcd/0x170 [ 8212.721793][ T10] do_syscall_64+0xc6/0x1e0 [ 8212.721793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8212.721793][ T10] [ 8212.724026][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8212.724026][ T10] netdev_get_by_index+0x5e/0x80 [ 8212.724026][ T10] fib6_nh_init+0x3d8/0x1580 [ 8212.724026][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8212.724026][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8212.724026][ T10] ipv6_add_addr+0x411/0x2000 [ 8212.724026][ T10] inet6_addr_add+0x30e/0xa40 [ 8212.724026][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8212.724026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8212.724026][ T10] netlink_rcv_skb+0x130/0x360 [ 8212.724026][ T10] netlink_unicast+0x449/0x710 [ 8212.724026][ T10] netlink_sendmsg+0x723/0xbe0 [ 8212.724026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8212.724026][ T10] ___sys_sendmsg+0xee/0x170 [ 8212.724026][ T10] __sys_sendmsg+0xcd/0x170 [ 8212.724026][ T10] do_syscall_64+0xc6/0x1e0 [ 8212.724026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8212.724026][ T10] [ 8212.726185][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8212.726185][ T10] netdev_get_by_index+0x5e/0x80 [ 8212.726185][ T10] fib6_nh_init+0x3d8/0x1580 [ 8212.726185][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8212.726185][ T10] ip6_route_add+0x1c/0x140 [ 8212.726185][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8212.726185][ T10] addrconf_add_dev+0xe2/0x170 [ 8212.726185][ T10] inet6_addr_add+0x12f/0xa40 [ 8212.726185][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8212.726185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8212.726185][ T10] netlink_rcv_skb+0x130/0x360 [ 8212.726185][ T10] netlink_unicast+0x449/0x710 [ 8212.726185][ T10] netlink_sendmsg+0x723/0xbe0 [ 8212.726185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8212.726185][ T10] ___sys_sendmsg+0xee/0x170 [ 8212.726185][ T10] __sys_sendmsg+0xcd/0x170 [ 8212.726185][ T10] do_syscall_64+0xc6/0x1e0 [ 8212.726185][ T10] [ 8212.728365][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8212.728365][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8212.728365][ T10] ipv6_find_idev+0x102/0x170 [ 8212.728365][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8212.728365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8212.728365][ T10] netlink_rcv_skb+0x130/0x360 [ 8212.728365][ T10] netlink_unicast+0x449/0x710 [ 8212.728365][ T10] netlink_sendmsg+0x723/0xbe0 [ 8212.728365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8212.728365][ T10] ___sys_sendmsg+0xee/0x170 [ 8212.728365][ T10] __sys_sendmsg+0xcd/0x170 [ 8212.728365][ T10] do_syscall_64+0xc6/0x1e0 [ 8212.728365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8212.728365][ T10] [ 8212.730132][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8212.730132][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8212.730132][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8212.730132][ T10] ipv6_find_idev+0x102/0x170 [ 8212.730132][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8212.730132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8212.730132][ T10] netlink_rcv_skb+0x130/0x360 [ 8212.730132][ T10] netlink_unicast+0x449/0x710 [ 8212.730132][ T10] netlink_sendmsg+0x723/0xbe0 [ 8212.730132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8212.730132][ T10] ___sys_sendmsg+0xee/0x170 [ 8212.730132][ T10] __sys_sendmsg+0xcd/0x170 [ 8212.730132][ T10] do_syscall_64+0xc6/0x1e0 [ 8212.730132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8212.730132][ T10] [ 8212.731989][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8212.732304][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8212.732304][ T10] netdev_get_by_index+0x5e/0x80 [ 8212.732304][ T10] fib6_nh_init+0x3d8/0x1580 [ 8212.732304][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8212.732304][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8212.732304][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8212.732304][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8212.732304][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8212.732304][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8212.732304][ T10] addrconf_dad_begin+0x310/0x670 [ 8212.732304][ T10] addrconf_dad_work+0x10b/0xab0 [ 8212.732304][ T10] process_one_work+0x84d/0x18a0 [ 8212.732304][ T10] worker_thread+0x587/0xd30 [ 8212.732304][ T10] kthread+0x28a/0x350 [ 8212.732304][ T10] ret_from_fork+0x31/0x70 [ 8212.732304][ T10] ret_from_fork_asm+0x1a/0x30 [ 8212.732304][ T10] [ 8212.734307][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8212.734307][ T10] netdev_get_by_index+0x5e/0x80 [ 8212.734307][ T10] fib6_nh_init+0x3d8/0x1580 [ 8212.734307][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8212.734307][ T10] ip6_route_add+0x1c/0x140 [ 8212.734307][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8212.734307][ T10] inet6_addr_add+0x4f8/0xa40 [ 8212.734307][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8212.734307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8212.734307][ T10] netlink_rcv_skb+0x130/0x360 [ 8212.734307][ T10] netlink_unicast+0x449/0x710 [ 8212.734307][ T10] netlink_sendmsg+0x723/0xbe0 [ 8212.734307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8212.734307][ T10] ___sys_sendmsg+0xee/0x170 [ 8212.734307][ T10] __sys_sendmsg+0xcd/0x170 [ 8212.734307][ T10] do_syscall_64+0xc6/0x1e0 [ 8212.734307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8212.734307][ T10] [ 8212.736515][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8212.736515][ T10] netdev_get_by_index+0x5e/0x80 [ 8212.736515][ T10] fib6_nh_init+0x3d8/0x1580 [ 8212.736515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8212.736515][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8212.736515][ T10] ipv6_add_addr+0x411/0x2000 [ 8212.736515][ T10] inet6_addr_add+0x30e/0xa40 [ 8212.736515][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8212.736515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8212.736515][ T10] netlink_rcv_skb+0x130/0x360 [ 8212.736515][ T10] netlink_unicast+0x449/0x710 [ 8212.736515][ T10] netlink_sendmsg+0x723/0xbe0 [ 8212.736515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8212.736515][ T10] ___sys_sendmsg+0xee/0x170 [ 8212.736515][ T10] __sys_sendmsg+0xcd/0x170 [ 8212.736515][ T10] do_syscall_64+0xc6/0x1e0 [ 8212.736515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8212.736515][ T10] [ 8212.738789][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8212.738789][ T10] netdev_get_by_index+0x5e/0x80 [ 8212.738789][ T10] fib6_nh_init+0x3d8/0x1580 [ 8212.738789][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8212.738789][ T10] ip6_route_add+0x1c/0x140 [ 8212.738789][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8212.738789][ T10] addrconf_add_dev+0xe2/0x170 [ 8212.738789][ T10] inet6_addr_add+0x12f/0xa40 [ 8212.738789][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8212.738789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8212.738789][ T10] netlink_rcv_skb+0x130/0x360 [ 8212.738789][ T10] netlink_unicast+0x449/0x710 [ 8212.738789][ T10] netlink_sendmsg+0x723/0xbe0 [ 8212.738789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8212.738789][ T10] ___sys_sendmsg+0xee/0x170 [ 8212.738789][ T10] __sys_sendmsg+0xcd/0x170 [ 8212.738789][ T10] do_syscall_64+0xc6/0x1e0 [ 8212.738789][ T10] [ 8212.740966][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8212.740966][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8212.740966][ T10] ipv6_find_idev+0x102/0x170 [ 8212.740966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8212.740966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8212.740966][ T10] netlink_rcv_skb+0x130/0x360 [ 8212.740966][ T10] netlink_unicast+0x449/0x710 [ 8212.740966][ T10] netlink_sendmsg+0x723/0xbe0 [ 8212.740966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8212.740966][ T10] ___sys_sendmsg+0xee/0x170 [ 8212.740966][ T10] __sys_sendmsg+0xcd/0x170 [ 8212.740966][ T10] do_syscall_64+0xc6/0x1e0 [ 8212.740966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8212.740966][ T10] [ 8212.742668][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8212.742668][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8212.742668][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8212.742668][ T10] ipv6_find_idev+0x102/0x170 [ 8212.742668][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8212.742668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8212.742668][ T10] netlink_rcv_skb+0x130/0x360 [ 8212.742668][ T10] netlink_unicast+0x449/0x710 [ 8212.742668][ T10] netlink_sendmsg+0x723/0xbe0 [ 8212.742668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8212.742668][ T10] ___sys_sendmsg+0xee/0x170 [ 8212.742668][ T10] __sys_sendmsg+0xcd/0x170 [ 8212.742668][ T10] do_syscall_64+0xc6/0x1e0 [ 8212.742668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8212.742668][ T10] [ 8212.769103][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8212.769453][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8212.769453][ T1167] dst_init+0x84/0x4a0 [ 8212.769453][ T1167] dst_alloc+0x97/0x150 [ 8212.769453][ T1167] ip6_dst_alloc+0x23/0x90 [ 8212.769453][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8212.769453][ T1167] ip6_pol_route+0x56f/0x840 [ 8212.769453][ T1167] fib6_rule_lookup+0x334/0x630 [ 8212.769453][ T1167] ip6_route_output_flags+0x259/0x480 [ 8212.769453][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8212.769453][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8212.769453][ T1167] netlink_rcv_skb+0x130/0x360 [ 8212.769453][ T1167] netlink_unicast+0x449/0x710 [ 8212.769453][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8212.769453][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8212.769453][ T1167] ___sys_sendmsg+0xee/0x170 [ 8212.769453][ T1167] __sys_sendmsg+0xcd/0x170 [ 8212.769453][ T1167] do_syscall_64+0xc6/0x1e0 [ 8212.769453][ T1167] [ 8212.771672][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8212.771672][ T1167] netdev_get_by_index+0x5e/0x80 [ 8212.771672][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8212.771672][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8212.771672][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8212.771672][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8212.771672][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8212.771672][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8212.771672][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8212.771672][ T1167] addrconf_dad_begin+0x310/0x670 [ 8212.771672][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8212.771672][ T1167] process_one_work+0x84d/0x18a0 [ 8212.771672][ T1167] worker_thread+0x587/0xd30 [ 8212.771672][ T1167] kthread+0x28a/0x350 [ 8212.771672][ T1167] ret_from_fork+0x31/0x70 [ 8212.771672][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8212.771672][ T1167] [ 8212.773821][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8212.773821][ T1167] netdev_get_by_index+0x5e/0x80 [ 8212.773821][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8212.773821][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8212.773821][ T1167] ip6_route_add+0x1c/0x140 [ 8212.773821][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8212.773821][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8212.773821][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8212.773821][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8212.773821][ T1167] netlink_rcv_skb+0x130/0x360 [ 8212.773821][ T1167] netlink_unicast+0x449/0x710 [ 8212.773821][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8212.773821][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8212.773821][ T1167] ___sys_sendmsg+0xee/0x170 [ 8212.773821][ T1167] __sys_sendmsg+0xcd/0x170 [ 8212.773821][ T1167] do_syscall_64+0xc6/0x1e0 [ 8212.773821][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8212.773821][ T1167] [ 8212.776076][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8212.776076][ T1167] netdev_get_by_index+0x5e/0x80 [ 8212.776076][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8212.776076][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8212.776076][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8212.776076][ T1167] ipv6_add_addr+0x411/0x2000 [ 8212.776076][ T1167] inet6_addr_add+0x30e/0xa40 [ 8212.776076][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8212.776076][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8212.776076][ T1167] netlink_rcv_skb+0x130/0x360 [ 8212.776076][ T1167] netlink_unicast+0x449/0x710 [ 8212.776076][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8212.776076][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8212.776076][ T1167] ___sys_sendmsg+0xee/0x170 [ 8212.776076][ T1167] __sys_sendmsg+0xcd/0x170 [ 8212.776076][ T1167] do_syscall_64+0xc6/0x1e0 [ 8212.776076][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8212.776076][ T1167] [ 8212.778328][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8212.778328][ T1167] netdev_get_by_index+0x5e/0x80 [ 8212.778328][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8212.778328][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8212.778328][ T1167] ip6_route_add+0x1c/0x140 [ 8212.778328][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8212.778328][ T1167] addrconf_add_dev+0xe2/0x170 [ 8212.778328][ T1167] inet6_addr_add+0x12f/0xa40 [ 8212.778328][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8212.778328][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8212.778328][ T1167] netlink_rcv_skb+0x130/0x360 [ 8212.778328][ T1167] netlink_unicast+0x449/0x710 [ 8212.778328][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8212.778328][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8212.778328][ T1167] ___sys_sendmsg+0xee/0x170 [ 8212.778328][ T1167] __sys_sendmsg+0xcd/0x170 [ 8212.778328][ T1167] do_syscall_64+0xc6/0x1e0 [ 8212.778328][ T1167] [ 8212.780556][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8212.780556][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8212.780556][ T1167] ipv6_find_idev+0x102/0x170 [ 8212.780556][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8212.780556][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8212.780556][ T1167] netlink_rcv_skb+0x130/0x360 [ 8212.780556][ T1167] netlink_unicast+0x449/0x710 [ 8212.780556][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8212.780556][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8212.780556][ T1167] ___sys_sendmsg+0xee/0x170 [ 8212.780556][ T1167] __sys_sendmsg+0xcd/0x170 [ 8212.780556][ T1167] do_syscall_64+0xc6/0x1e0 [ 8212.780556][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8212.780556][ T1167] [ 8212.782292][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8212.782292][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8212.782292][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8212.782292][ T1167] ipv6_find_idev+0x102/0x170 [ 8212.782292][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8212.782292][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8212.782292][ T1167] netlink_rcv_skb+0x130/0x360 [ 8212.782292][ T1167] netlink_unicast+0x449/0x710 [ 8212.782292][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8212.782292][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8212.782292][ T1167] ___sys_sendmsg+0xee/0x170 [ 8212.782292][ T1167] __sys_sendmsg+0xcd/0x170 [ 8212.782292][ T1167] do_syscall_64+0xc6/0x1e0 [ 8212.782292][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8212.782292][ T1167] [ 8222.745111][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8222.745551][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8222.745551][ T10] netdev_get_by_index+0x5e/0x80 [ 8222.745551][ T10] fib6_nh_init+0x3d8/0x1580 [ 8222.745551][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8222.745551][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8222.745551][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8222.745551][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8222.745551][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8222.745551][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8222.745551][ T10] addrconf_dad_begin+0x310/0x670 [ 8222.745551][ T10] addrconf_dad_work+0x10b/0xab0 [ 8222.745551][ T10] process_one_work+0x84d/0x18a0 [ 8222.745551][ T10] worker_thread+0x587/0xd30 [ 8222.745551][ T10] kthread+0x28a/0x350 [ 8222.745551][ T10] ret_from_fork+0x31/0x70 [ 8222.745551][ T10] ret_from_fork_asm+0x1a/0x30 [ 8222.745551][ T10] [ 8222.747481][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8222.747481][ T10] netdev_get_by_index+0x5e/0x80 [ 8222.747481][ T10] fib6_nh_init+0x3d8/0x1580 [ 8222.747481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8222.747481][ T10] ip6_route_add+0x1c/0x140 [ 8222.747481][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8222.747481][ T10] inet6_addr_add+0x4f8/0xa40 [ 8222.747481][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8222.747481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8222.747481][ T10] netlink_rcv_skb+0x130/0x360 [ 8222.747481][ T10] netlink_unicast+0x449/0x710 [ 8222.747481][ T10] netlink_sendmsg+0x723/0xbe0 [ 8222.747481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8222.747481][ T10] ___sys_sendmsg+0xee/0x170 [ 8222.747481][ T10] __sys_sendmsg+0xcd/0x170 [ 8222.747481][ T10] do_syscall_64+0xc6/0x1e0 [ 8222.747481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8222.747481][ T10] [ 8222.749472][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8222.749472][ T10] netdev_get_by_index+0x5e/0x80 [ 8222.749472][ T10] fib6_nh_init+0x3d8/0x1580 [ 8222.749472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8222.749472][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8222.749472][ T10] ipv6_add_addr+0x411/0x2000 [ 8222.749472][ T10] inet6_addr_add+0x30e/0xa40 [ 8222.749472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8222.749472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8222.749472][ T10] netlink_rcv_skb+0x130/0x360 [ 8222.749472][ T10] netlink_unicast+0x449/0x710 [ 8222.749472][ T10] netlink_sendmsg+0x723/0xbe0 [ 8222.749472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8222.749472][ T10] ___sys_sendmsg+0xee/0x170 [ 8222.749472][ T10] __sys_sendmsg+0xcd/0x170 [ 8222.749472][ T10] do_syscall_64+0xc6/0x1e0 [ 8222.749472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8222.749472][ T10] [ 8222.751457][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8222.751457][ T10] netdev_get_by_index+0x5e/0x80 [ 8222.751457][ T10] fib6_nh_init+0x3d8/0x1580 [ 8222.751457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8222.751457][ T10] ip6_route_add+0x1c/0x140 [ 8222.751457][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8222.751457][ T10] addrconf_add_dev+0xe2/0x170 [ 8222.751457][ T10] inet6_addr_add+0x12f/0xa40 [ 8222.751457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8222.751457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8222.751457][ T10] netlink_rcv_skb+0x130/0x360 [ 8222.751457][ T10] netlink_unicast+0x449/0x710 [ 8222.751457][ T10] netlink_sendmsg+0x723/0xbe0 [ 8222.751457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8222.751457][ T10] ___sys_sendmsg+0xee/0x170 [ 8222.751457][ T10] __sys_sendmsg+0xcd/0x170 [ 8222.751457][ T10] do_syscall_64+0xc6/0x1e0 [ 8222.751457][ T10] [ 8222.753414][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8222.753414][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8222.753414][ T10] ipv6_find_idev+0x102/0x170 [ 8222.753414][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8222.753414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8222.753414][ T10] netlink_rcv_skb+0x130/0x360 [ 8222.753414][ T10] netlink_unicast+0x449/0x710 [ 8222.753414][ T10] netlink_sendmsg+0x723/0xbe0 [ 8222.753414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8222.753414][ T10] ___sys_sendmsg+0xee/0x170 [ 8222.753414][ T10] __sys_sendmsg+0xcd/0x170 [ 8222.753414][ T10] do_syscall_64+0xc6/0x1e0 [ 8222.753414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8222.753414][ T10] [ 8222.754944][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8222.754944][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8222.754944][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8222.754944][ T10] ipv6_find_idev+0x102/0x170 [ 8222.754944][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8222.754944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8222.754944][ T10] netlink_rcv_skb+0x130/0x360 [ 8222.754944][ T10] netlink_unicast+0x449/0x710 [ 8222.754944][ T10] netlink_sendmsg+0x723/0xbe0 [ 8222.754944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8222.754944][ T10] ___sys_sendmsg+0xee/0x170 [ 8222.754944][ T10] __sys_sendmsg+0xcd/0x170 [ 8222.754944][ T10] do_syscall_64+0xc6/0x1e0 [ 8222.754944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8222.754944][ T10] [ 8222.756629][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8222.756874][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8222.756874][ T10] netdev_get_by_index+0x5e/0x80 [ 8222.756874][ T10] fib6_nh_init+0x3d8/0x1580 [ 8222.756874][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8222.756874][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8222.756874][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8222.756874][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8222.756874][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8222.756874][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8222.756874][ T10] addrconf_dad_begin+0x310/0x670 [ 8222.756874][ T10] addrconf_dad_work+0x10b/0xab0 [ 8222.756874][ T10] process_one_work+0x84d/0x18a0 [ 8222.756874][ T10] worker_thread+0x587/0xd30 [ 8222.756874][ T10] kthread+0x28a/0x350 [ 8222.756874][ T10] ret_from_fork+0x31/0x70 [ 8222.756874][ T10] ret_from_fork_asm+0x1a/0x30 [ 8222.756874][ T10] [ 8222.758763][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8222.758763][ T10] netdev_get_by_index+0x5e/0x80 [ 8222.758763][ T10] fib6_nh_init+0x3d8/0x1580 [ 8222.758763][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8222.758763][ T10] ip6_route_add+0x1c/0x140 [ 8222.758763][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8222.758763][ T10] inet6_addr_add+0x4f8/0xa40 [ 8222.758763][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8222.758763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8222.758763][ T10] netlink_rcv_skb+0x130/0x360 [ 8222.758763][ T10] netlink_unicast+0x449/0x710 [ 8222.758763][ T10] netlink_sendmsg+0x723/0xbe0 [ 8222.758763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8222.758763][ T10] ___sys_sendmsg+0xee/0x170 [ 8222.758763][ T10] __sys_sendmsg+0xcd/0x170 [ 8222.758763][ T10] do_syscall_64+0xc6/0x1e0 [ 8222.758763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8222.758763][ T10] [ 8222.760762][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8222.760762][ T10] netdev_get_by_index+0x5e/0x80 [ 8222.760762][ T10] fib6_nh_init+0x3d8/0x1580 [ 8222.760762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8222.760762][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8222.760762][ T10] ipv6_add_addr+0x411/0x2000 [ 8222.760762][ T10] inet6_addr_add+0x30e/0xa40 [ 8222.760762][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8222.760762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8222.760762][ T10] netlink_rcv_skb+0x130/0x360 [ 8222.760762][ T10] netlink_unicast+0x449/0x710 [ 8222.760762][ T10] netlink_sendmsg+0x723/0xbe0 [ 8222.760762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8222.760762][ T10] ___sys_sendmsg+0xee/0x170 [ 8222.760762][ T10] __sys_sendmsg+0xcd/0x170 [ 8222.760762][ T10] do_syscall_64+0xc6/0x1e0 [ 8222.760762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8222.760762][ T10] [ 8222.762743][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8222.762743][ T10] netdev_get_by_index+0x5e/0x80 [ 8222.762743][ T10] fib6_nh_init+0x3d8/0x1580 [ 8222.762743][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8222.762743][ T10] ip6_route_add+0x1c/0x140 [ 8222.762743][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8222.762743][ T10] addrconf_add_dev+0xe2/0x170 [ 8222.762743][ T10] inet6_addr_add+0x12f/0xa40 [ 8222.762743][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8222.762743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8222.762743][ T10] netlink_rcv_skb+0x130/0x360 [ 8222.762743][ T10] netlink_unicast+0x449/0x710 [ 8222.762743][ T10] netlink_sendmsg+0x723/0xbe0 [ 8222.762743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8222.762743][ T10] ___sys_sendmsg+0xee/0x170 [ 8222.762743][ T10] __sys_sendmsg+0xcd/0x170 [ 8222.762743][ T10] do_syscall_64+0xc6/0x1e0 [ 8222.762743][ T10] [ 8222.764684][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8222.764684][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8222.764684][ T10] ipv6_find_idev+0x102/0x170 [ 8222.764684][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8222.764684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8222.764684][ T10] netlink_rcv_skb+0x130/0x360 [ 8222.764684][ T10] netlink_unicast+0x449/0x710 [ 8222.764684][ T10] netlink_sendmsg+0x723/0xbe0 [ 8222.764684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8222.764684][ T10] ___sys_sendmsg+0xee/0x170 [ 8222.764684][ T10] __sys_sendmsg+0xcd/0x170 [ 8222.764684][ T10] do_syscall_64+0xc6/0x1e0 [ 8222.764684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8222.764684][ T10] [ 8222.766208][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8222.766208][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8222.766208][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8222.766208][ T10] ipv6_find_idev+0x102/0x170 [ 8222.766208][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8222.766208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8222.766208][ T10] netlink_rcv_skb+0x130/0x360 [ 8222.766208][ T10] netlink_unicast+0x449/0x710 [ 8222.766208][ T10] netlink_sendmsg+0x723/0xbe0 [ 8222.766208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8222.766208][ T10] ___sys_sendmsg+0xee/0x170 [ 8222.766208][ T10] __sys_sendmsg+0xcd/0x170 [ 8222.766208][ T10] do_syscall_64+0xc6/0x1e0 [ 8222.766208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8222.766208][ T10] [ 8222.767875][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8222.768118][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8222.768118][ T10] netdev_get_by_index+0x5e/0x80 [ 8222.768118][ T10] fib6_nh_init+0x3d8/0x1580 [ 8222.768118][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8222.768118][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8222.768118][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8222.768118][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8222.768118][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8222.768118][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8222.768118][ T10] addrconf_dad_begin+0x310/0x670 [ 8222.768118][ T10] addrconf_dad_work+0x10b/0xab0 [ 8222.768118][ T10] process_one_work+0x84d/0x18a0 [ 8222.768118][ T10] worker_thread+0x587/0xd30 [ 8222.768118][ T10] kthread+0x28a/0x350 [ 8222.768118][ T10] ret_from_fork+0x31/0x70 [ 8222.768118][ T10] ret_from_fork_asm+0x1a/0x30 [ 8222.768118][ T10] [ 8222.770017][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8222.770017][ T10] netdev_get_by_index+0x5e/0x80 [ 8222.770017][ T10] fib6_nh_init+0x3d8/0x1580 [ 8222.770017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8222.770017][ T10] ip6_route_add+0x1c/0x140 [ 8222.770017][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8222.770017][ T10] inet6_addr_add+0x4f8/0xa40 [ 8222.770017][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8222.770017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8222.770017][ T10] netlink_rcv_skb+0x130/0x360 [ 8222.770017][ T10] netlink_unicast+0x449/0x710 [ 8222.770017][ T10] netlink_sendmsg+0x723/0xbe0 [ 8222.770017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8222.770017][ T10] ___sys_sendmsg+0xee/0x170 [ 8222.770017][ T10] __sys_sendmsg+0xcd/0x170 [ 8222.770017][ T10] do_syscall_64+0xc6/0x1e0 [ 8222.770017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8222.770017][ T10] [ 8222.772182][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8222.772182][ T10] netdev_get_by_index+0x5e/0x80 [ 8222.772182][ T10] fib6_nh_init+0x3d8/0x1580 [ 8222.772182][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8222.772182][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8222.772182][ T10] ipv6_add_addr+0x411/0x2000 [ 8222.772182][ T10] inet6_addr_add+0x30e/0xa40 [ 8222.772182][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8222.772182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8222.772182][ T10] netlink_rcv_skb+0x130/0x360 [ 8222.772182][ T10] netlink_unicast+0x449/0x710 [ 8222.772182][ T10] netlink_sendmsg+0x723/0xbe0 [ 8222.772182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8222.772182][ T10] ___sys_sendmsg+0xee/0x170 [ 8222.772182][ T10] __sys_sendmsg+0xcd/0x170 [ 8222.772182][ T10] do_syscall_64+0xc6/0x1e0 [ 8222.772182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8222.772182][ T10] [ 8222.774339][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8222.774339][ T10] netdev_get_by_index+0x5e/0x80 [ 8222.774339][ T10] fib6_nh_init+0x3d8/0x1580 [ 8222.774339][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8222.774339][ T10] ip6_route_add+0x1c/0x140 [ 8222.774339][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8222.774339][ T10] addrconf_add_dev+0xe2/0x170 [ 8222.774339][ T10] inet6_addr_add+0x12f/0xa40 [ 8222.774339][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8222.774339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8222.774339][ T10] netlink_rcv_skb+0x130/0x360 [ 8222.774339][ T10] netlink_unicast+0x449/0x710 [ 8222.774339][ T10] netlink_sendmsg+0x723/0xbe0 [ 8222.774339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8222.774339][ T10] ___sys_sendmsg+0xee/0x170 [ 8222.774339][ T10] __sys_sendmsg+0xcd/0x170 [ 8222.774339][ T10] do_syscall_64+0xc6/0x1e0 [ 8222.774339][ T10] [ 8222.776589][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8222.776589][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8222.776589][ T10] ipv6_find_idev+0x102/0x170 [ 8222.776589][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8222.776589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8222.776589][ T10] netlink_rcv_skb+0x130/0x360 [ 8222.776589][ T10] netlink_unicast+0x449/0x710 [ 8222.776589][ T10] netlink_sendmsg+0x723/0xbe0 [ 8222.776589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8222.776589][ T10] ___sys_sendmsg+0xee/0x170 [ 8222.776589][ T10] __sys_sendmsg+0xcd/0x170 [ 8222.776589][ T10] do_syscall_64+0xc6/0x1e0 [ 8222.776589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8222.776589][ T10] [ 8222.778293][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8222.778293][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8222.778293][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8222.778293][ T10] ipv6_find_idev+0x102/0x170 [ 8222.778293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8222.778293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8222.778293][ T10] netlink_rcv_skb+0x130/0x360 [ 8222.778293][ T10] netlink_unicast+0x449/0x710 [ 8222.778293][ T10] netlink_sendmsg+0x723/0xbe0 [ 8222.778293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8222.778293][ T10] ___sys_sendmsg+0xee/0x170 [ 8222.778293][ T10] __sys_sendmsg+0xcd/0x170 [ 8222.778293][ T10] do_syscall_64+0xc6/0x1e0 [ 8222.778293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8222.778293][ T10] [ 8222.780149][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8222.780444][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8222.780444][ T10] netdev_get_by_index+0x5e/0x80 [ 8222.780444][ T10] fib6_nh_init+0x3d8/0x1580 [ 8222.780444][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8222.780444][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8222.780444][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8222.780444][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8222.780444][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8222.780444][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8222.780444][ T10] addrconf_dad_begin+0x310/0x670 [ 8222.780444][ T10] addrconf_dad_work+0x10b/0xab0 [ 8222.780444][ T10] process_one_work+0x84d/0x18a0 [ 8222.780444][ T10] worker_thread+0x587/0xd30 [ 8222.780444][ T10] kthread+0x28a/0x350 [ 8222.780444][ T10] ret_from_fork+0x31/0x70 [ 8222.780444][ T10] ret_from_fork_asm+0x1a/0x30 [ 8222.780444][ T10] [ 8222.782448][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8222.782448][ T10] netdev_get_by_index+0x5e/0x80 [ 8222.782448][ T10] fib6_nh_init+0x3d8/0x1580 [ 8222.782448][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8222.782448][ T10] ip6_route_add+0x1c/0x140 [ 8222.782448][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8222.782448][ T10] inet6_addr_add+0x4f8/0xa40 [ 8222.782448][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8222.782448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8222.782448][ T10] netlink_rcv_skb+0x130/0x360 [ 8222.782448][ T10] netlink_unicast+0x449/0x710 [ 8222.782448][ T10] netlink_sendmsg+0x723/0xbe0 [ 8222.782448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8222.782448][ T10] ___sys_sendmsg+0xee/0x170 [ 8222.782448][ T10] __sys_sendmsg+0xcd/0x170 [ 8222.782448][ T10] do_syscall_64+0xc6/0x1e0 [ 8222.782448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8222.782448][ T10] [ 8222.784726][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8222.784726][ T10] netdev_get_by_index+0x5e/0x80 [ 8222.784726][ T10] fib6_nh_init+0x3d8/0x1580 [ 8222.784726][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8222.784726][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8222.784726][ T10] ipv6_add_addr+0x411/0x2000 [ 8222.784726][ T10] inet6_addr_add+0x30e/0xa40 [ 8222.784726][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8222.784726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8222.784726][ T10] netlink_rcv_skb+0x130/0x360 [ 8222.784726][ T10] netlink_unicast+0x449/0x710 [ 8222.784726][ T10] netlink_sendmsg+0x723/0xbe0 [ 8222.784726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8222.784726][ T10] ___sys_sendmsg+0xee/0x170 [ 8222.784726][ T10] __sys_sendmsg+0xcd/0x170 [ 8222.784726][ T10] do_syscall_64+0xc6/0x1e0 [ 8222.784726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8222.784726][ T10] [ 8222.786938][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8222.786938][ T10] netdev_get_by_index+0x5e/0x80 [ 8222.786938][ T10] fib6_nh_init+0x3d8/0x1580 [ 8222.786938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8222.786938][ T10] ip6_route_add+0x1c/0x140 [ 8222.786938][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8222.786938][ T10] addrconf_add_dev+0xe2/0x170 [ 8222.786938][ T10] inet6_addr_add+0x12f/0xa40 [ 8222.786938][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8222.786938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8222.786938][ T10] netlink_rcv_skb+0x130/0x360 [ 8222.786938][ T10] netlink_unicast+0x449/0x710 [ 8222.786938][ T10] netlink_sendmsg+0x723/0xbe0 [ 8222.786938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8222.786938][ T10] ___sys_sendmsg+0xee/0x170 [ 8222.786938][ T10] __sys_sendmsg+0xcd/0x170 [ 8222.786938][ T10] do_syscall_64+0xc6/0x1e0 [ 8222.786938][ T10] [ 8222.789119][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8222.789119][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8222.789119][ T10] ipv6_find_idev+0x102/0x170 [ 8222.789119][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8222.789119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8222.789119][ T10] netlink_rcv_skb+0x130/0x360 [ 8222.789119][ T10] netlink_unicast+0x449/0x710 [ 8222.789119][ T10] netlink_sendmsg+0x723/0xbe0 [ 8222.789119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8222.789119][ T10] ___sys_sendmsg+0xee/0x170 [ 8222.789119][ T10] __sys_sendmsg+0xcd/0x170 [ 8222.789119][ T10] do_syscall_64+0xc6/0x1e0 [ 8222.789119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8222.789119][ T10] [ 8222.790822][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8222.790822][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8222.790822][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8222.790822][ T10] ipv6_find_idev+0x102/0x170 [ 8222.790822][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8222.790822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8222.790822][ T10] netlink_rcv_skb+0x130/0x360 [ 8222.790822][ T10] netlink_unicast+0x449/0x710 [ 8222.790822][ T10] netlink_sendmsg+0x723/0xbe0 [ 8222.790822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8222.790822][ T10] ___sys_sendmsg+0xee/0x170 [ 8222.790822][ T10] __sys_sendmsg+0xcd/0x170 [ 8222.790822][ T10] do_syscall_64+0xc6/0x1e0 [ 8222.790822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8222.790822][ T10] [ 8223.057127][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8223.057599][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8223.057599][ T1167] dst_init+0x84/0x4a0 [ 8223.057599][ T1167] dst_alloc+0x97/0x150 [ 8223.057599][ T1167] ip6_dst_alloc+0x23/0x90 [ 8223.057599][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8223.057599][ T1167] ip6_pol_route+0x56f/0x840 [ 8223.057599][ T1167] fib6_rule_lookup+0x334/0x630 [ 8223.057599][ T1167] ip6_route_output_flags+0x259/0x480 [ 8223.057599][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8223.057599][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8223.057599][ T1167] netlink_rcv_skb+0x130/0x360 [ 8223.057599][ T1167] netlink_unicast+0x449/0x710 [ 8223.057599][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8223.057599][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8223.057599][ T1167] ___sys_sendmsg+0xee/0x170 [ 8223.057599][ T1167] __sys_sendmsg+0xcd/0x170 [ 8223.057599][ T1167] do_syscall_64+0xc6/0x1e0 [ 8223.057599][ T1167] [ 8223.059823][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8223.059823][ T1167] netdev_get_by_index+0x5e/0x80 [ 8223.059823][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8223.059823][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8223.059823][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8223.059823][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8223.059823][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8223.059823][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8223.059823][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8223.059823][ T1167] addrconf_dad_begin+0x310/0x670 [ 8223.059823][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8223.059823][ T1167] process_one_work+0x84d/0x18a0 [ 8223.059823][ T1167] worker_thread+0x587/0xd30 [ 8223.059823][ T1167] kthread+0x28a/0x350 [ 8223.059823][ T1167] ret_from_fork+0x31/0x70 [ 8223.059823][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8223.059823][ T1167] [ 8223.061975][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8223.061975][ T1167] netdev_get_by_index+0x5e/0x80 [ 8223.061975][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8223.061975][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8223.061975][ T1167] ip6_route_add+0x1c/0x140 [ 8223.061975][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8223.061975][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8223.061975][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8223.061975][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8223.061975][ T1167] netlink_rcv_skb+0x130/0x360 [ 8223.061975][ T1167] netlink_unicast+0x449/0x710 [ 8223.061975][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8223.061975][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8223.061975][ T1167] ___sys_sendmsg+0xee/0x170 [ 8223.061975][ T1167] __sys_sendmsg+0xcd/0x170 [ 8223.061975][ T1167] do_syscall_64+0xc6/0x1e0 [ 8223.061975][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8223.061975][ T1167] [ 8223.064229][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8223.064229][ T1167] netdev_get_by_index+0x5e/0x80 [ 8223.064229][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8223.064229][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8223.064229][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8223.064229][ T1167] ipv6_add_addr+0x411/0x2000 [ 8223.064229][ T1167] inet6_addr_add+0x30e/0xa40 [ 8223.064229][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8223.064229][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8223.064229][ T1167] netlink_rcv_skb+0x130/0x360 [ 8223.064229][ T1167] netlink_unicast+0x449/0x710 [ 8223.064229][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8223.064229][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8223.064229][ T1167] ___sys_sendmsg+0xee/0x170 [ 8223.064229][ T1167] __sys_sendmsg+0xcd/0x170 [ 8223.064229][ T1167] do_syscall_64+0xc6/0x1e0 [ 8223.064229][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8223.064229][ T1167] [ 8223.066488][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8223.066488][ T1167] netdev_get_by_index+0x5e/0x80 [ 8223.066488][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8223.066488][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8223.066488][ T1167] ip6_route_add+0x1c/0x140 [ 8223.066488][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8223.066488][ T1167] addrconf_add_dev+0xe2/0x170 [ 8223.066488][ T1167] inet6_addr_add+0x12f/0xa40 [ 8223.066488][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8223.066488][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8223.066488][ T1167] netlink_rcv_skb+0x130/0x360 [ 8223.066488][ T1167] netlink_unicast+0x449/0x710 [ 8223.066488][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8223.066488][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8223.066488][ T1167] ___sys_sendmsg+0xee/0x170 [ 8223.066488][ T1167] __sys_sendmsg+0xcd/0x170 [ 8223.066488][ T1167] do_syscall_64+0xc6/0x1e0 [ 8223.066488][ T1167] [ 8223.068705][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8223.068705][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8223.068705][ T1167] ipv6_find_idev+0x102/0x170 [ 8223.068705][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8223.068705][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8223.068705][ T1167] netlink_rcv_skb+0x130/0x360 [ 8223.068705][ T1167] netlink_unicast+0x449/0x710 [ 8223.068705][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8223.068705][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8223.068705][ T1167] ___sys_sendmsg+0xee/0x170 [ 8223.068705][ T1167] __sys_sendmsg+0xcd/0x170 [ 8223.068705][ T1167] do_syscall_64+0xc6/0x1e0 [ 8223.068705][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8223.068705][ T1167] [ 8223.070445][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8223.070445][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8223.070445][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8223.070445][ T1167] ipv6_find_idev+0x102/0x170 [ 8223.070445][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8223.070445][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8223.070445][ T1167] netlink_rcv_skb+0x130/0x360 [ 8223.070445][ T1167] netlink_unicast+0x449/0x710 [ 8223.070445][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8223.070445][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8223.070445][ T1167] ___sys_sendmsg+0xee/0x170 [ 8223.070445][ T1167] __sys_sendmsg+0xcd/0x170 [ 8223.070445][ T1167] do_syscall_64+0xc6/0x1e0 [ 8223.070445][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8223.070445][ T1167] [ 8233.033105][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8233.033454][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8233.033454][ T10] netdev_get_by_index+0x5e/0x80 [ 8233.033454][ T10] fib6_nh_init+0x3d8/0x1580 [ 8233.033454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8233.033454][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8233.033454][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8233.033454][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8233.033454][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8233.033454][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8233.033454][ T10] addrconf_dad_begin+0x310/0x670 [ 8233.033454][ T10] addrconf_dad_work+0x10b/0xab0 [ 8233.033454][ T10] process_one_work+0x84d/0x18a0 [ 8233.033454][ T10] worker_thread+0x587/0xd30 [ 8233.033454][ T10] kthread+0x28a/0x350 [ 8233.033454][ T10] ret_from_fork+0x31/0x70 [ 8233.033454][ T10] ret_from_fork_asm+0x1a/0x30 [ 8233.033454][ T10] [ 8233.035377][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8233.035377][ T10] netdev_get_by_index+0x5e/0x80 [ 8233.035377][ T10] fib6_nh_init+0x3d8/0x1580 [ 8233.035377][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8233.035377][ T10] ip6_route_add+0x1c/0x140 [ 8233.035377][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8233.035377][ T10] inet6_addr_add+0x4f8/0xa40 [ 8233.035377][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8233.035377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8233.035377][ T10] netlink_rcv_skb+0x130/0x360 [ 8233.035377][ T10] netlink_unicast+0x449/0x710 [ 8233.035377][ T10] netlink_sendmsg+0x723/0xbe0 [ 8233.035377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8233.035377][ T10] ___sys_sendmsg+0xee/0x170 [ 8233.035377][ T10] __sys_sendmsg+0xcd/0x170 [ 8233.035377][ T10] do_syscall_64+0xc6/0x1e0 [ 8233.035377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8233.035377][ T10] [ 8233.037352][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8233.037352][ T10] netdev_get_by_index+0x5e/0x80 [ 8233.037352][ T10] fib6_nh_init+0x3d8/0x1580 [ 8233.037352][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8233.037352][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8233.037352][ T10] ipv6_add_addr+0x411/0x2000 [ 8233.037352][ T10] inet6_addr_add+0x30e/0xa40 [ 8233.037352][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8233.037352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8233.037352][ T10] netlink_rcv_skb+0x130/0x360 [ 8233.037352][ T10] netlink_unicast+0x449/0x710 [ 8233.037352][ T10] netlink_sendmsg+0x723/0xbe0 [ 8233.037352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8233.037352][ T10] ___sys_sendmsg+0xee/0x170 [ 8233.037352][ T10] __sys_sendmsg+0xcd/0x170 [ 8233.037352][ T10] do_syscall_64+0xc6/0x1e0 [ 8233.037352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8233.037352][ T10] [ 8233.039335][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8233.039335][ T10] netdev_get_by_index+0x5e/0x80 [ 8233.039335][ T10] fib6_nh_init+0x3d8/0x1580 [ 8233.039335][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8233.039335][ T10] ip6_route_add+0x1c/0x140 [ 8233.039335][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8233.039335][ T10] addrconf_add_dev+0xe2/0x170 [ 8233.039335][ T10] inet6_addr_add+0x12f/0xa40 [ 8233.039335][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8233.039335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8233.039335][ T10] netlink_rcv_skb+0x130/0x360 [ 8233.039335][ T10] netlink_unicast+0x449/0x710 [ 8233.039335][ T10] netlink_sendmsg+0x723/0xbe0 [ 8233.039335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8233.039335][ T10] ___sys_sendmsg+0xee/0x170 [ 8233.039335][ T10] __sys_sendmsg+0xcd/0x170 [ 8233.039335][ T10] do_syscall_64+0xc6/0x1e0 [ 8233.039335][ T10] [ 8233.041297][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8233.041297][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8233.041297][ T10] ipv6_find_idev+0x102/0x170 [ 8233.041297][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8233.041297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8233.041297][ T10] netlink_rcv_skb+0x130/0x360 [ 8233.041297][ T10] netlink_unicast+0x449/0x710 [ 8233.041297][ T10] netlink_sendmsg+0x723/0xbe0 [ 8233.041297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8233.041297][ T10] ___sys_sendmsg+0xee/0x170 [ 8233.041297][ T10] __sys_sendmsg+0xcd/0x170 [ 8233.041297][ T10] do_syscall_64+0xc6/0x1e0 [ 8233.041297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8233.041297][ T10] [ 8233.042834][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8233.042834][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8233.042834][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8233.042834][ T10] ipv6_find_idev+0x102/0x170 [ 8233.042834][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8233.042834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8233.042834][ T10] netlink_rcv_skb+0x130/0x360 [ 8233.042834][ T10] netlink_unicast+0x449/0x710 [ 8233.042834][ T10] netlink_sendmsg+0x723/0xbe0 [ 8233.042834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8233.042834][ T10] ___sys_sendmsg+0xee/0x170 [ 8233.042834][ T10] __sys_sendmsg+0xcd/0x170 [ 8233.042834][ T10] do_syscall_64+0xc6/0x1e0 [ 8233.042834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8233.042834][ T10] [ 8233.044507][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8233.044748][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8233.044748][ T10] netdev_get_by_index+0x5e/0x80 [ 8233.044748][ T10] fib6_nh_init+0x3d8/0x1580 [ 8233.044748][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8233.044748][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8233.044748][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8233.044748][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8233.044748][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8233.044748][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8233.044748][ T10] addrconf_dad_begin+0x310/0x670 [ 8233.044748][ T10] addrconf_dad_work+0x10b/0xab0 [ 8233.044748][ T10] process_one_work+0x84d/0x18a0 [ 8233.044748][ T10] worker_thread+0x587/0xd30 [ 8233.044748][ T10] kthread+0x28a/0x350 [ 8233.044748][ T10] ret_from_fork+0x31/0x70 [ 8233.044748][ T10] ret_from_fork_asm+0x1a/0x30 [ 8233.044748][ T10] [ 8233.046640][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8233.046640][ T10] netdev_get_by_index+0x5e/0x80 [ 8233.046640][ T10] fib6_nh_init+0x3d8/0x1580 [ 8233.046640][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8233.046640][ T10] ip6_route_add+0x1c/0x140 [ 8233.046640][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8233.046640][ T10] inet6_addr_add+0x4f8/0xa40 [ 8233.046640][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8233.046640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8233.046640][ T10] netlink_rcv_skb+0x130/0x360 [ 8233.046640][ T10] netlink_unicast+0x449/0x710 [ 8233.046640][ T10] netlink_sendmsg+0x723/0xbe0 [ 8233.046640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8233.046640][ T10] ___sys_sendmsg+0xee/0x170 [ 8233.046640][ T10] __sys_sendmsg+0xcd/0x170 [ 8233.046640][ T10] do_syscall_64+0xc6/0x1e0 [ 8233.046640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8233.046640][ T10] [ 8233.048636][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8233.048636][ T10] netdev_get_by_index+0x5e/0x80 [ 8233.048636][ T10] fib6_nh_init+0x3d8/0x1580 [ 8233.048636][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8233.048636][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8233.048636][ T10] ipv6_add_addr+0x411/0x2000 [ 8233.048636][ T10] inet6_addr_add+0x30e/0xa40 [ 8233.048636][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8233.048636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8233.048636][ T10] netlink_rcv_skb+0x130/0x360 [ 8233.048636][ T10] netlink_unicast+0x449/0x710 [ 8233.048636][ T10] netlink_sendmsg+0x723/0xbe0 [ 8233.048636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8233.048636][ T10] ___sys_sendmsg+0xee/0x170 [ 8233.048636][ T10] __sys_sendmsg+0xcd/0x170 [ 8233.048636][ T10] do_syscall_64+0xc6/0x1e0 [ 8233.048636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8233.048636][ T10] [ 8233.050625][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8233.050625][ T10] netdev_get_by_index+0x5e/0x80 [ 8233.050625][ T10] fib6_nh_init+0x3d8/0x1580 [ 8233.050625][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8233.050625][ T10] ip6_route_add+0x1c/0x140 [ 8233.050625][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8233.050625][ T10] addrconf_add_dev+0xe2/0x170 [ 8233.050625][ T10] inet6_addr_add+0x12f/0xa40 [ 8233.050625][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8233.050625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8233.050625][ T10] netlink_rcv_skb+0x130/0x360 [ 8233.050625][ T10] netlink_unicast+0x449/0x710 [ 8233.050625][ T10] netlink_sendmsg+0x723/0xbe0 [ 8233.050625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8233.050625][ T10] ___sys_sendmsg+0xee/0x170 [ 8233.050625][ T10] __sys_sendmsg+0xcd/0x170 [ 8233.050625][ T10] do_syscall_64+0xc6/0x1e0 [ 8233.050625][ T10] [ 8233.052570][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8233.052570][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8233.052570][ T10] ipv6_find_idev+0x102/0x170 [ 8233.052570][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8233.052570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8233.052570][ T10] netlink_rcv_skb+0x130/0x360 [ 8233.052570][ T10] netlink_unicast+0x449/0x710 [ 8233.052570][ T10] netlink_sendmsg+0x723/0xbe0 [ 8233.052570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8233.052570][ T10] ___sys_sendmsg+0xee/0x170 [ 8233.052570][ T10] __sys_sendmsg+0xcd/0x170 [ 8233.052570][ T10] do_syscall_64+0xc6/0x1e0 [ 8233.052570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8233.052570][ T10] [ 8233.054089][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8233.054089][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8233.054089][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8233.054089][ T10] ipv6_find_idev+0x102/0x170 [ 8233.054089][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8233.054089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8233.054089][ T10] netlink_rcv_skb+0x130/0x360 [ 8233.054089][ T10] netlink_unicast+0x449/0x710 [ 8233.054089][ T10] netlink_sendmsg+0x723/0xbe0 [ 8233.054089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8233.054089][ T10] ___sys_sendmsg+0xee/0x170 [ 8233.054089][ T10] __sys_sendmsg+0xcd/0x170 [ 8233.054089][ T10] do_syscall_64+0xc6/0x1e0 [ 8233.054089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8233.054089][ T10] [ 8233.055754][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8233.055989][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8233.055989][ T10] netdev_get_by_index+0x5e/0x80 [ 8233.055989][ T10] fib6_nh_init+0x3d8/0x1580 [ 8233.055989][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8233.055989][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8233.055989][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8233.055989][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8233.055989][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8233.055989][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8233.055989][ T10] addrconf_dad_begin+0x310/0x670 [ 8233.055989][ T10] addrconf_dad_work+0x10b/0xab0 [ 8233.055989][ T10] process_one_work+0x84d/0x18a0 [ 8233.055989][ T10] worker_thread+0x587/0xd30 [ 8233.055989][ T10] kthread+0x28a/0x350 [ 8233.055989][ T10] ret_from_fork+0x31/0x70 [ 8233.055989][ T10] ret_from_fork_asm+0x1a/0x30 [ 8233.055989][ T10] [ 8233.057885][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8233.057885][ T10] netdev_get_by_index+0x5e/0x80 [ 8233.057885][ T10] fib6_nh_init+0x3d8/0x1580 [ 8233.057885][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8233.057885][ T10] ip6_route_add+0x1c/0x140 [ 8233.057885][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8233.057885][ T10] inet6_addr_add+0x4f8/0xa40 [ 8233.057885][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8233.057885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8233.057885][ T10] netlink_rcv_skb+0x130/0x360 [ 8233.057885][ T10] netlink_unicast+0x449/0x710 [ 8233.057885][ T10] netlink_sendmsg+0x723/0xbe0 [ 8233.057885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8233.057885][ T10] ___sys_sendmsg+0xee/0x170 [ 8233.057885][ T10] __sys_sendmsg+0xcd/0x170 [ 8233.057885][ T10] do_syscall_64+0xc6/0x1e0 [ 8233.057885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8233.057885][ T10] [ 8233.060082][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8233.060082][ T10] netdev_get_by_index+0x5e/0x80 [ 8233.060082][ T10] fib6_nh_init+0x3d8/0x1580 [ 8233.060082][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8233.060082][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8233.060082][ T10] ipv6_add_addr+0x411/0x2000 [ 8233.060082][ T10] inet6_addr_add+0x30e/0xa40 [ 8233.060082][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8233.060082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8233.060082][ T10] netlink_rcv_skb+0x130/0x360 [ 8233.060082][ T10] netlink_unicast+0x449/0x710 [ 8233.060082][ T10] netlink_sendmsg+0x723/0xbe0 [ 8233.060082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8233.060082][ T10] ___sys_sendmsg+0xee/0x170 [ 8233.060082][ T10] __sys_sendmsg+0xcd/0x170 [ 8233.060082][ T10] do_syscall_64+0xc6/0x1e0 [ 8233.060082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8233.060082][ T10] [ 8233.062117][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8233.062117][ T10] netdev_get_by_index+0x5e/0x80 [ 8233.062117][ T10] fib6_nh_init+0x3d8/0x1580 [ 8233.062117][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8233.062117][ T10] ip6_route_add+0x1c/0x140 [ 8233.062117][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8233.062117][ T10] addrconf_add_dev+0xe2/0x170 [ 8233.062117][ T10] inet6_addr_add+0x12f/0xa40 [ 8233.062117][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8233.062117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8233.062117][ T10] netlink_rcv_skb+0x130/0x360 [ 8233.062117][ T10] netlink_unicast+0x449/0x710 [ 8233.062117][ T10] netlink_sendmsg+0x723/0xbe0 [ 8233.062117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8233.062117][ T10] ___sys_sendmsg+0xee/0x170 [ 8233.062117][ T10] __sys_sendmsg+0xcd/0x170 [ 8233.062117][ T10] do_syscall_64+0xc6/0x1e0 [ 8233.062117][ T10] [ 8233.064182][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8233.064182][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8233.064182][ T10] ipv6_find_idev+0x102/0x170 [ 8233.064182][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8233.064182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8233.064182][ T10] netlink_rcv_skb+0x130/0x360 [ 8233.064182][ T10] netlink_unicast+0x449/0x710 [ 8233.064182][ T10] netlink_sendmsg+0x723/0xbe0 [ 8233.064182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8233.064182][ T10] ___sys_sendmsg+0xee/0x170 [ 8233.064182][ T10] __sys_sendmsg+0xcd/0x170 [ 8233.064182][ T10] do_syscall_64+0xc6/0x1e0 [ 8233.064182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8233.064182][ T10] [ 8233.065767][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8233.065767][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8233.065767][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8233.065767][ T10] ipv6_find_idev+0x102/0x170 [ 8233.065767][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8233.065767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8233.065767][ T10] netlink_rcv_skb+0x130/0x360 [ 8233.065767][ T10] netlink_unicast+0x449/0x710 [ 8233.065767][ T10] netlink_sendmsg+0x723/0xbe0 [ 8233.065767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8233.065767][ T10] ___sys_sendmsg+0xee/0x170 [ 8233.065767][ T10] __sys_sendmsg+0xcd/0x170 [ 8233.065767][ T10] do_syscall_64+0xc6/0x1e0 [ 8233.065767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8233.065767][ T10] [ 8233.067507][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8233.067806][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8233.067806][ T10] netdev_get_by_index+0x5e/0x80 [ 8233.067806][ T10] fib6_nh_init+0x3d8/0x1580 [ 8233.067806][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8233.067806][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8233.067806][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8233.067806][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8233.067806][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8233.067806][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8233.067806][ T10] addrconf_dad_begin+0x310/0x670 [ 8233.067806][ T10] addrconf_dad_work+0x10b/0xab0 [ 8233.067806][ T10] process_one_work+0x84d/0x18a0 [ 8233.067806][ T10] worker_thread+0x587/0xd30 [ 8233.067806][ T10] kthread+0x28a/0x350 [ 8233.067806][ T10] ret_from_fork+0x31/0x70 [ 8233.067806][ T10] ret_from_fork_asm+0x1a/0x30 [ 8233.067806][ T10] [ 8233.069816][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8233.069816][ T10] netdev_get_by_index+0x5e/0x80 [ 8233.069816][ T10] fib6_nh_init+0x3d8/0x1580 [ 8233.069816][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8233.069816][ T10] ip6_route_add+0x1c/0x140 [ 8233.069816][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8233.069816][ T10] inet6_addr_add+0x4f8/0xa40 [ 8233.069816][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8233.069816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8233.069816][ T10] netlink_rcv_skb+0x130/0x360 [ 8233.069816][ T10] netlink_unicast+0x449/0x710 [ 8233.069816][ T10] netlink_sendmsg+0x723/0xbe0 [ 8233.069816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8233.069816][ T10] ___sys_sendmsg+0xee/0x170 [ 8233.069816][ T10] __sys_sendmsg+0xcd/0x170 [ 8233.069816][ T10] do_syscall_64+0xc6/0x1e0 [ 8233.069816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8233.069816][ T10] [ 8233.071920][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8233.071920][ T10] netdev_get_by_index+0x5e/0x80 [ 8233.071920][ T10] fib6_nh_init+0x3d8/0x1580 [ 8233.071920][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8233.071920][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8233.071920][ T10] ipv6_add_addr+0x411/0x2000 [ 8233.071920][ T10] inet6_addr_add+0x30e/0xa40 [ 8233.071920][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8233.071920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8233.071920][ T10] netlink_rcv_skb+0x130/0x360 [ 8233.071920][ T10] netlink_unicast+0x449/0x710 [ 8233.071920][ T10] netlink_sendmsg+0x723/0xbe0 [ 8233.071920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8233.071920][ T10] ___sys_sendmsg+0xee/0x170 [ 8233.071920][ T10] __sys_sendmsg+0xcd/0x170 [ 8233.071920][ T10] do_syscall_64+0xc6/0x1e0 [ 8233.071920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8233.071920][ T10] [ 8233.074075][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8233.074075][ T10] netdev_get_by_index+0x5e/0x80 [ 8233.074075][ T10] fib6_nh_init+0x3d8/0x1580 [ 8233.074075][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8233.074075][ T10] ip6_route_add+0x1c/0x140 [ 8233.074075][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8233.074075][ T10] addrconf_add_dev+0xe2/0x170 [ 8233.074075][ T10] inet6_addr_add+0x12f/0xa40 [ 8233.074075][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8233.074075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8233.074075][ T10] netlink_rcv_skb+0x130/0x360 [ 8233.074075][ T10] netlink_unicast+0x449/0x710 [ 8233.074075][ T10] netlink_sendmsg+0x723/0xbe0 [ 8233.074075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8233.074075][ T10] ___sys_sendmsg+0xee/0x170 [ 8233.074075][ T10] __sys_sendmsg+0xcd/0x170 [ 8233.074075][ T10] do_syscall_64+0xc6/0x1e0 [ 8233.074075][ T10] [ 8233.076766][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8233.076766][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8233.076766][ T10] ipv6_find_idev+0x102/0x170 [ 8233.076766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8233.076766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8233.076766][ T10] netlink_rcv_skb+0x130/0x360 [ 8233.076766][ T10] netlink_unicast+0x449/0x710 [ 8233.076766][ T10] netlink_sendmsg+0x723/0xbe0 [ 8233.076766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8233.076766][ T10] ___sys_sendmsg+0xee/0x170 [ 8233.076766][ T10] __sys_sendmsg+0xcd/0x170 [ 8233.076766][ T10] do_syscall_64+0xc6/0x1e0 [ 8233.076766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8233.076766][ T10] [ 8233.078522][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8233.078522][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8233.078522][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8233.078522][ T10] ipv6_find_idev+0x102/0x170 [ 8233.078522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8233.078522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8233.078522][ T10] netlink_rcv_skb+0x130/0x360 [ 8233.078522][ T10] netlink_unicast+0x449/0x710 [ 8233.078522][ T10] netlink_sendmsg+0x723/0xbe0 [ 8233.078522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8233.078522][ T10] ___sys_sendmsg+0xee/0x170 [ 8233.078522][ T10] __sys_sendmsg+0xcd/0x170 [ 8233.078522][ T10] do_syscall_64+0xc6/0x1e0 [ 8233.078522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8233.078522][ T10] [ 8233.345175][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8233.345547][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8233.345547][ T1167] dst_init+0x84/0x4a0 [ 8233.345547][ T1167] dst_alloc+0x97/0x150 [ 8233.345547][ T1167] ip6_dst_alloc+0x23/0x90 [ 8233.345547][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8233.345547][ T1167] ip6_pol_route+0x56f/0x840 [ 8233.345547][ T1167] fib6_rule_lookup+0x334/0x630 [ 8233.345547][ T1167] ip6_route_output_flags+0x259/0x480 [ 8233.345547][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8233.345547][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8233.345547][ T1167] netlink_rcv_skb+0x130/0x360 [ 8233.345547][ T1167] netlink_unicast+0x449/0x710 [ 8233.345547][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8233.345547][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8233.345547][ T1167] ___sys_sendmsg+0xee/0x170 [ 8233.345547][ T1167] __sys_sendmsg+0xcd/0x170 [ 8233.345547][ T1167] do_syscall_64+0xc6/0x1e0 [ 8233.345547][ T1167] [ 8233.347748][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8233.347748][ T1167] netdev_get_by_index+0x5e/0x80 [ 8233.347748][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8233.347748][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8233.347748][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8233.347748][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8233.347748][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8233.347748][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8233.347748][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8233.347748][ T1167] addrconf_dad_begin+0x310/0x670 [ 8233.347748][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8233.347748][ T1167] process_one_work+0x84d/0x18a0 [ 8233.347748][ T1167] worker_thread+0x587/0xd30 [ 8233.347748][ T1167] kthread+0x28a/0x350 [ 8233.347748][ T1167] ret_from_fork+0x31/0x70 [ 8233.347748][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8233.347748][ T1167] [ 8233.349909][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8233.349909][ T1167] netdev_get_by_index+0x5e/0x80 [ 8233.349909][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8233.349909][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8233.349909][ T1167] ip6_route_add+0x1c/0x140 [ 8233.349909][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8233.349909][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8233.349909][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8233.349909][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8233.349909][ T1167] netlink_rcv_skb+0x130/0x360 [ 8233.349909][ T1167] netlink_unicast+0x449/0x710 [ 8233.349909][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8233.349909][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8233.349909][ T1167] ___sys_sendmsg+0xee/0x170 [ 8233.349909][ T1167] __sys_sendmsg+0xcd/0x170 [ 8233.349909][ T1167] do_syscall_64+0xc6/0x1e0 [ 8233.349909][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8233.349909][ T1167] [ 8233.352153][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8233.352153][ T1167] netdev_get_by_index+0x5e/0x80 [ 8233.352153][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8233.352153][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8233.352153][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8233.352153][ T1167] ipv6_add_addr+0x411/0x2000 [ 8233.352153][ T1167] inet6_addr_add+0x30e/0xa40 [ 8233.352153][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8233.352153][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8233.352153][ T1167] netlink_rcv_skb+0x130/0x360 [ 8233.352153][ T1167] netlink_unicast+0x449/0x710 [ 8233.352153][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8233.352153][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8233.352153][ T1167] ___sys_sendmsg+0xee/0x170 [ 8233.352153][ T1167] __sys_sendmsg+0xcd/0x170 [ 8233.352153][ T1167] do_syscall_64+0xc6/0x1e0 [ 8233.352153][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8233.352153][ T1167] [ 8233.354414][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8233.354414][ T1167] netdev_get_by_index+0x5e/0x80 [ 8233.354414][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8233.354414][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8233.354414][ T1167] ip6_route_add+0x1c/0x140 [ 8233.354414][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8233.354414][ T1167] addrconf_add_dev+0xe2/0x170 [ 8233.354414][ T1167] inet6_addr_add+0x12f/0xa40 [ 8233.354414][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8233.354414][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8233.354414][ T1167] netlink_rcv_skb+0x130/0x360 [ 8233.354414][ T1167] netlink_unicast+0x449/0x710 [ 8233.354414][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8233.354414][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8233.354414][ T1167] ___sys_sendmsg+0xee/0x170 [ 8233.354414][ T1167] __sys_sendmsg+0xcd/0x170 [ 8233.354414][ T1167] do_syscall_64+0xc6/0x1e0 [ 8233.354414][ T1167] [ 8233.356618][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8233.356618][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8233.356618][ T1167] ipv6_find_idev+0x102/0x170 [ 8233.356618][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8233.356618][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8233.356618][ T1167] netlink_rcv_skb+0x130/0x360 [ 8233.356618][ T1167] netlink_unicast+0x449/0x710 [ 8233.356618][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8233.356618][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8233.356618][ T1167] ___sys_sendmsg+0xee/0x170 [ 8233.356618][ T1167] __sys_sendmsg+0xcd/0x170 [ 8233.356618][ T1167] do_syscall_64+0xc6/0x1e0 [ 8233.356618][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8233.356618][ T1167] [ 8233.358346][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8233.358346][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8233.358346][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8233.358346][ T1167] ipv6_find_idev+0x102/0x170 [ 8233.358346][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8233.358346][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8233.358346][ T1167] netlink_rcv_skb+0x130/0x360 [ 8233.358346][ T1167] netlink_unicast+0x449/0x710 [ 8233.358346][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8233.358346][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8233.358346][ T1167] ___sys_sendmsg+0xee/0x170 [ 8233.358346][ T1167] __sys_sendmsg+0xcd/0x170 [ 8233.358346][ T1167] do_syscall_64+0xc6/0x1e0 [ 8233.358346][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8233.358346][ T1167] [ 8243.321121][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8243.321572][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8243.321572][ T10] netdev_get_by_index+0x5e/0x80 [ 8243.321572][ T10] fib6_nh_init+0x3d8/0x1580 [ 8243.321572][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8243.321572][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8243.321572][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8243.321572][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8243.321572][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8243.321572][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8243.321572][ T10] addrconf_dad_begin+0x310/0x670 [ 8243.321572][ T10] addrconf_dad_work+0x10b/0xab0 [ 8243.321572][ T10] process_one_work+0x84d/0x18a0 [ 8243.321572][ T10] worker_thread+0x587/0xd30 [ 8243.321572][ T10] kthread+0x28a/0x350 [ 8243.321572][ T10] ret_from_fork+0x31/0x70 [ 8243.321572][ T10] ret_from_fork_asm+0x1a/0x30 [ 8243.321572][ T10] [ 8243.323490][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8243.323490][ T10] netdev_get_by_index+0x5e/0x80 [ 8243.323490][ T10] fib6_nh_init+0x3d8/0x1580 [ 8243.323490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8243.323490][ T10] ip6_route_add+0x1c/0x140 [ 8243.323490][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8243.323490][ T10] inet6_addr_add+0x4f8/0xa40 [ 8243.323490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8243.323490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8243.323490][ T10] netlink_rcv_skb+0x130/0x360 [ 8243.323490][ T10] netlink_unicast+0x449/0x710 [ 8243.323490][ T10] netlink_sendmsg+0x723/0xbe0 [ 8243.323490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8243.323490][ T10] ___sys_sendmsg+0xee/0x170 [ 8243.323490][ T10] __sys_sendmsg+0xcd/0x170 [ 8243.323490][ T10] do_syscall_64+0xc6/0x1e0 [ 8243.323490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8243.323490][ T10] [ 8243.325486][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8243.325486][ T10] netdev_get_by_index+0x5e/0x80 [ 8243.325486][ T10] fib6_nh_init+0x3d8/0x1580 [ 8243.325486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8243.325486][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8243.325486][ T10] ipv6_add_addr+0x411/0x2000 [ 8243.325486][ T10] inet6_addr_add+0x30e/0xa40 [ 8243.325486][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8243.325486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8243.325486][ T10] netlink_rcv_skb+0x130/0x360 [ 8243.325486][ T10] netlink_unicast+0x449/0x710 [ 8243.325486][ T10] netlink_sendmsg+0x723/0xbe0 [ 8243.325486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8243.325486][ T10] ___sys_sendmsg+0xee/0x170 [ 8243.325486][ T10] __sys_sendmsg+0xcd/0x170 [ 8243.325486][ T10] do_syscall_64+0xc6/0x1e0 [ 8243.325486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8243.325486][ T10] [ 8243.327479][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8243.327479][ T10] netdev_get_by_index+0x5e/0x80 [ 8243.327479][ T10] fib6_nh_init+0x3d8/0x1580 [ 8243.327479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8243.327479][ T10] ip6_route_add+0x1c/0x140 [ 8243.327479][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8243.327479][ T10] addrconf_add_dev+0xe2/0x170 [ 8243.327479][ T10] inet6_addr_add+0x12f/0xa40 [ 8243.327479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8243.327479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8243.327479][ T10] netlink_rcv_skb+0x130/0x360 [ 8243.327479][ T10] netlink_unicast+0x449/0x710 [ 8243.327479][ T10] netlink_sendmsg+0x723/0xbe0 [ 8243.327479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8243.327479][ T10] ___sys_sendmsg+0xee/0x170 [ 8243.327479][ T10] __sys_sendmsg+0xcd/0x170 [ 8243.327479][ T10] do_syscall_64+0xc6/0x1e0 [ 8243.327479][ T10] [ 8243.329452][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8243.329452][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8243.329452][ T10] ipv6_find_idev+0x102/0x170 [ 8243.329452][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8243.329452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8243.329452][ T10] netlink_rcv_skb+0x130/0x360 [ 8243.329452][ T10] netlink_unicast+0x449/0x710 [ 8243.329452][ T10] netlink_sendmsg+0x723/0xbe0 [ 8243.329452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8243.329452][ T10] ___sys_sendmsg+0xee/0x170 [ 8243.329452][ T10] __sys_sendmsg+0xcd/0x170 [ 8243.329452][ T10] do_syscall_64+0xc6/0x1e0 [ 8243.329452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8243.329452][ T10] [ 8243.330977][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8243.330977][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8243.330977][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8243.330977][ T10] ipv6_find_idev+0x102/0x170 [ 8243.330977][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8243.330977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8243.330977][ T10] netlink_rcv_skb+0x130/0x360 [ 8243.330977][ T10] netlink_unicast+0x449/0x710 [ 8243.330977][ T10] netlink_sendmsg+0x723/0xbe0 [ 8243.330977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8243.330977][ T10] ___sys_sendmsg+0xee/0x170 [ 8243.330977][ T10] __sys_sendmsg+0xcd/0x170 [ 8243.330977][ T10] do_syscall_64+0xc6/0x1e0 [ 8243.330977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8243.330977][ T10] [ 8243.332662][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8243.332903][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8243.332903][ T10] netdev_get_by_index+0x5e/0x80 [ 8243.332903][ T10] fib6_nh_init+0x3d8/0x1580 [ 8243.332903][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8243.332903][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8243.332903][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8243.332903][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8243.332903][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8243.332903][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8243.332903][ T10] addrconf_dad_begin+0x310/0x670 [ 8243.332903][ T10] addrconf_dad_work+0x10b/0xab0 [ 8243.332903][ T10] process_one_work+0x84d/0x18a0 [ 8243.332903][ T10] worker_thread+0x587/0xd30 [ 8243.332903][ T10] kthread+0x28a/0x350 [ 8243.332903][ T10] ret_from_fork+0x31/0x70 [ 8243.332903][ T10] ret_from_fork_asm+0x1a/0x30 [ 8243.332903][ T10] [ 8243.334807][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8243.334807][ T10] netdev_get_by_index+0x5e/0x80 [ 8243.334807][ T10] fib6_nh_init+0x3d8/0x1580 [ 8243.334807][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8243.334807][ T10] ip6_route_add+0x1c/0x140 [ 8243.334807][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8243.334807][ T10] inet6_addr_add+0x4f8/0xa40 [ 8243.334807][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8243.334807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8243.334807][ T10] netlink_rcv_skb+0x130/0x360 [ 8243.334807][ T10] netlink_unicast+0x449/0x710 [ 8243.334807][ T10] netlink_sendmsg+0x723/0xbe0 [ 8243.334807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8243.334807][ T10] ___sys_sendmsg+0xee/0x170 [ 8243.334807][ T10] __sys_sendmsg+0xcd/0x170 [ 8243.334807][ T10] do_syscall_64+0xc6/0x1e0 [ 8243.334807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8243.334807][ T10] [ 8243.336789][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8243.336789][ T10] netdev_get_by_index+0x5e/0x80 [ 8243.336789][ T10] fib6_nh_init+0x3d8/0x1580 [ 8243.336789][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8243.336789][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8243.336789][ T10] ipv6_add_addr+0x411/0x2000 [ 8243.336789][ T10] inet6_addr_add+0x30e/0xa40 [ 8243.336789][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8243.336789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8243.336789][ T10] netlink_rcv_skb+0x130/0x360 [ 8243.336789][ T10] netlink_unicast+0x449/0x710 [ 8243.336789][ T10] netlink_sendmsg+0x723/0xbe0 [ 8243.336789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8243.336789][ T10] ___sys_sendmsg+0xee/0x170 [ 8243.336789][ T10] __sys_sendmsg+0xcd/0x170 [ 8243.336789][ T10] do_syscall_64+0xc6/0x1e0 [ 8243.336789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8243.336789][ T10] [ 8243.338773][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8243.338773][ T10] netdev_get_by_index+0x5e/0x80 [ 8243.338773][ T10] fib6_nh_init+0x3d8/0x1580 [ 8243.338773][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8243.338773][ T10] ip6_route_add+0x1c/0x140 [ 8243.338773][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8243.338773][ T10] addrconf_add_dev+0xe2/0x170 [ 8243.338773][ T10] inet6_addr_add+0x12f/0xa40 [ 8243.338773][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8243.338773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8243.338773][ T10] netlink_rcv_skb+0x130/0x360 [ 8243.338773][ T10] netlink_unicast+0x449/0x710 [ 8243.338773][ T10] netlink_sendmsg+0x723/0xbe0 [ 8243.338773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8243.338773][ T10] ___sys_sendmsg+0xee/0x170 [ 8243.338773][ T10] __sys_sendmsg+0xcd/0x170 [ 8243.338773][ T10] do_syscall_64+0xc6/0x1e0 [ 8243.338773][ T10] [ 8243.340736][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8243.340736][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8243.340736][ T10] ipv6_find_idev+0x102/0x170 [ 8243.340736][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8243.340736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8243.340736][ T10] netlink_rcv_skb+0x130/0x360 [ 8243.340736][ T10] netlink_unicast+0x449/0x710 [ 8243.340736][ T10] netlink_sendmsg+0x723/0xbe0 [ 8243.340736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8243.340736][ T10] ___sys_sendmsg+0xee/0x170 [ 8243.340736][ T10] __sys_sendmsg+0xcd/0x170 [ 8243.340736][ T10] do_syscall_64+0xc6/0x1e0 [ 8243.340736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8243.340736][ T10] [ 8243.342288][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8243.342288][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8243.342288][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8243.342288][ T10] ipv6_find_idev+0x102/0x170 [ 8243.342288][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8243.342288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8243.342288][ T10] netlink_rcv_skb+0x130/0x360 [ 8243.342288][ T10] netlink_unicast+0x449/0x710 [ 8243.342288][ T10] netlink_sendmsg+0x723/0xbe0 [ 8243.342288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8243.342288][ T10] ___sys_sendmsg+0xee/0x170 [ 8243.342288][ T10] __sys_sendmsg+0xcd/0x170 [ 8243.342288][ T10] do_syscall_64+0xc6/0x1e0 [ 8243.342288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8243.342288][ T10] [ 8243.344154][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8243.344412][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8243.344412][ T10] netdev_get_by_index+0x5e/0x80 [ 8243.344412][ T10] fib6_nh_init+0x3d8/0x1580 [ 8243.344412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8243.344412][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8243.344412][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8243.344412][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8243.344412][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8243.344412][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8243.344412][ T10] addrconf_dad_begin+0x310/0x670 [ 8243.344412][ T10] addrconf_dad_work+0x10b/0xab0 [ 8243.344412][ T10] process_one_work+0x84d/0x18a0 [ 8243.344412][ T10] worker_thread+0x587/0xd30 [ 8243.344412][ T10] kthread+0x28a/0x350 [ 8243.344412][ T10] ret_from_fork+0x31/0x70 [ 8243.344412][ T10] ret_from_fork_asm+0x1a/0x30 [ 8243.344412][ T10] [ 8243.346499][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8243.346499][ T10] netdev_get_by_index+0x5e/0x80 [ 8243.346499][ T10] fib6_nh_init+0x3d8/0x1580 [ 8243.346499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8243.346499][ T10] ip6_route_add+0x1c/0x140 [ 8243.346499][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8243.346499][ T10] inet6_addr_add+0x4f8/0xa40 [ 8243.346499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8243.346499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8243.346499][ T10] netlink_rcv_skb+0x130/0x360 [ 8243.346499][ T10] netlink_unicast+0x449/0x710 [ 8243.346499][ T10] netlink_sendmsg+0x723/0xbe0 [ 8243.346499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8243.346499][ T10] ___sys_sendmsg+0xee/0x170 [ 8243.346499][ T10] __sys_sendmsg+0xcd/0x170 [ 8243.346499][ T10] do_syscall_64+0xc6/0x1e0 [ 8243.346499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8243.346499][ T10] [ 8243.348885][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8243.348885][ T10] netdev_get_by_index+0x5e/0x80 [ 8243.348885][ T10] fib6_nh_init+0x3d8/0x1580 [ 8243.348885][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8243.348885][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8243.348885][ T10] ipv6_add_addr+0x411/0x2000 [ 8243.348885][ T10] inet6_addr_add+0x30e/0xa40 [ 8243.348885][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8243.348885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8243.348885][ T10] netlink_rcv_skb+0x130/0x360 [ 8243.348885][ T10] netlink_unicast+0x449/0x710 [ 8243.348885][ T10] netlink_sendmsg+0x723/0xbe0 [ 8243.348885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8243.348885][ T10] ___sys_sendmsg+0xee/0x170 [ 8243.348885][ T10] __sys_sendmsg+0xcd/0x170 [ 8243.348885][ T10] do_syscall_64+0xc6/0x1e0 [ 8243.348885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8243.348885][ T10] [ 8243.351329][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8243.351329][ T10] netdev_get_by_index+0x5e/0x80 [ 8243.351329][ T10] fib6_nh_init+0x3d8/0x1580 [ 8243.351329][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8243.351329][ T10] ip6_route_add+0x1c/0x140 [ 8243.351329][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8243.351329][ T10] addrconf_add_dev+0xe2/0x170 [ 8243.351329][ T10] inet6_addr_add+0x12f/0xa40 [ 8243.351329][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8243.351329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8243.351329][ T10] netlink_rcv_skb+0x130/0x360 [ 8243.351329][ T10] netlink_unicast+0x449/0x710 [ 8243.351329][ T10] netlink_sendmsg+0x723/0xbe0 [ 8243.351329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8243.351329][ T10] ___sys_sendmsg+0xee/0x170 [ 8243.351329][ T10] __sys_sendmsg+0xcd/0x170 [ 8243.351329][ T10] do_syscall_64+0xc6/0x1e0 [ 8243.351329][ T10] [ 8243.353672][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8243.353672][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8243.353672][ T10] ipv6_find_idev+0x102/0x170 [ 8243.353672][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8243.353672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8243.353672][ T10] netlink_rcv_skb+0x130/0x360 [ 8243.353672][ T10] netlink_unicast+0x449/0x710 [ 8243.353672][ T10] netlink_sendmsg+0x723/0xbe0 [ 8243.353672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8243.353672][ T10] ___sys_sendmsg+0xee/0x170 [ 8243.353672][ T10] __sys_sendmsg+0xcd/0x170 [ 8243.353672][ T10] do_syscall_64+0xc6/0x1e0 [ 8243.353672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8243.353672][ T10] [ 8243.355542][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8243.355542][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8243.355542][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8243.355542][ T10] ipv6_find_idev+0x102/0x170 [ 8243.355542][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8243.355542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8243.355542][ T10] netlink_rcv_skb+0x130/0x360 [ 8243.355542][ T10] netlink_unicast+0x449/0x710 [ 8243.355542][ T10] netlink_sendmsg+0x723/0xbe0 [ 8243.355542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8243.355542][ T10] ___sys_sendmsg+0xee/0x170 [ 8243.355542][ T10] __sys_sendmsg+0xcd/0x170 [ 8243.355542][ T10] do_syscall_64+0xc6/0x1e0 [ 8243.355542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8243.355542][ T10] [ 8243.357590][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8243.357849][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8243.357849][ T10] netdev_get_by_index+0x5e/0x80 [ 8243.357849][ T10] fib6_nh_init+0x3d8/0x1580 [ 8243.357849][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8243.357849][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8243.357849][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8243.357849][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8243.357849][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8243.357849][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8243.357849][ T10] addrconf_dad_begin+0x310/0x670 [ 8243.357849][ T10] addrconf_dad_work+0x10b/0xab0 [ 8243.357849][ T10] process_one_work+0x84d/0x18a0 [ 8243.357849][ T10] worker_thread+0x587/0xd30 [ 8243.357849][ T10] kthread+0x28a/0x350 [ 8243.357849][ T10] ret_from_fork+0x31/0x70 [ 8243.357849][ T10] ret_from_fork_asm+0x1a/0x30 [ 8243.357849][ T10] [ 8243.360199][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8243.360199][ T10] netdev_get_by_index+0x5e/0x80 [ 8243.360199][ T10] fib6_nh_init+0x3d8/0x1580 [ 8243.360199][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8243.360199][ T10] ip6_route_add+0x1c/0x140 [ 8243.360199][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8243.360199][ T10] inet6_addr_add+0x4f8/0xa40 [ 8243.360199][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8243.360199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8243.360199][ T10] netlink_rcv_skb+0x130/0x360 [ 8243.360199][ T10] netlink_unicast+0x449/0x710 [ 8243.360199][ T10] netlink_sendmsg+0x723/0xbe0 [ 8243.360199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8243.360199][ T10] ___sys_sendmsg+0xee/0x170 [ 8243.360199][ T10] __sys_sendmsg+0xcd/0x170 [ 8243.360199][ T10] do_syscall_64+0xc6/0x1e0 [ 8243.360199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8243.360199][ T10] [ 8243.362640][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8243.362640][ T10] netdev_get_by_index+0x5e/0x80 [ 8243.362640][ T10] fib6_nh_init+0x3d8/0x1580 [ 8243.362640][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8243.362640][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8243.362640][ T10] ipv6_add_addr+0x411/0x2000 [ 8243.362640][ T10] inet6_addr_add+0x30e/0xa40 [ 8243.362640][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8243.362640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8243.362640][ T10] netlink_rcv_skb+0x130/0x360 [ 8243.362640][ T10] netlink_unicast+0x449/0x710 [ 8243.362640][ T10] netlink_sendmsg+0x723/0xbe0 [ 8243.362640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8243.362640][ T10] ___sys_sendmsg+0xee/0x170 [ 8243.362640][ T10] __sys_sendmsg+0xcd/0x170 [ 8243.362640][ T10] do_syscall_64+0xc6/0x1e0 [ 8243.362640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8243.362640][ T10] [ 8243.365086][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8243.365086][ T10] netdev_get_by_index+0x5e/0x80 [ 8243.365086][ T10] fib6_nh_init+0x3d8/0x1580 [ 8243.365086][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8243.365086][ T10] ip6_route_add+0x1c/0x140 [ 8243.365086][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8243.365086][ T10] addrconf_add_dev+0xe2/0x170 [ 8243.365086][ T10] inet6_addr_add+0x12f/0xa40 [ 8243.365086][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8243.365086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8243.365086][ T10] netlink_rcv_skb+0x130/0x360 [ 8243.365086][ T10] netlink_unicast+0x449/0x710 [ 8243.365086][ T10] netlink_sendmsg+0x723/0xbe0 [ 8243.365086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8243.365086][ T10] ___sys_sendmsg+0xee/0x170 [ 8243.365086][ T10] __sys_sendmsg+0xcd/0x170 [ 8243.365086][ T10] do_syscall_64+0xc6/0x1e0 [ 8243.365086][ T10] [ 8243.367366][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8243.367366][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8243.367366][ T10] ipv6_find_idev+0x102/0x170 [ 8243.367366][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8243.367366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8243.367366][ T10] netlink_rcv_skb+0x130/0x360 [ 8243.367366][ T10] netlink_unicast+0x449/0x710 [ 8243.367366][ T10] netlink_sendmsg+0x723/0xbe0 [ 8243.367366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8243.367366][ T10] ___sys_sendmsg+0xee/0x170 [ 8243.367366][ T10] __sys_sendmsg+0xcd/0x170 [ 8243.367366][ T10] do_syscall_64+0xc6/0x1e0 [ 8243.367366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8243.367366][ T10] [ 8243.369149][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8243.369149][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8243.369149][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8243.369149][ T10] ipv6_find_idev+0x102/0x170 [ 8243.369149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8243.369149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8243.369149][ T10] netlink_rcv_skb+0x130/0x360 [ 8243.369149][ T10] netlink_unicast+0x449/0x710 [ 8243.369149][ T10] netlink_sendmsg+0x723/0xbe0 [ 8243.369149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8243.369149][ T10] ___sys_sendmsg+0xee/0x170 [ 8243.369149][ T10] __sys_sendmsg+0xcd/0x170 [ 8243.369149][ T10] do_syscall_64+0xc6/0x1e0 [ 8243.369149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8243.369149][ T10] [ 8243.633185][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8243.633677][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8243.633677][ T1167] dst_init+0x84/0x4a0 [ 8243.633677][ T1167] dst_alloc+0x97/0x150 [ 8243.633677][ T1167] ip6_dst_alloc+0x23/0x90 [ 8243.633677][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8243.633677][ T1167] ip6_pol_route+0x56f/0x840 [ 8243.633677][ T1167] fib6_rule_lookup+0x334/0x630 [ 8243.633677][ T1167] ip6_route_output_flags+0x259/0x480 [ 8243.633677][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8243.633677][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8243.633677][ T1167] netlink_rcv_skb+0x130/0x360 [ 8243.633677][ T1167] netlink_unicast+0x449/0x710 [ 8243.633677][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8243.633677][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8243.633677][ T1167] ___sys_sendmsg+0xee/0x170 [ 8243.633677][ T1167] __sys_sendmsg+0xcd/0x170 [ 8243.633677][ T1167] do_syscall_64+0xc6/0x1e0 [ 8243.633677][ T1167] [ 8243.635989][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8243.635989][ T1167] netdev_get_by_index+0x5e/0x80 [ 8243.635989][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8243.635989][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8243.635989][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8243.635989][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8243.635989][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8243.635989][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8243.635989][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8243.635989][ T1167] addrconf_dad_begin+0x310/0x670 [ 8243.635989][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8243.635989][ T1167] process_one_work+0x84d/0x18a0 [ 8243.635989][ T1167] worker_thread+0x587/0xd30 [ 8243.635989][ T1167] kthread+0x28a/0x350 [ 8243.635989][ T1167] ret_from_fork+0x31/0x70 [ 8243.635989][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8243.635989][ T1167] [ 8243.638240][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8243.638240][ T1167] netdev_get_by_index+0x5e/0x80 [ 8243.638240][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8243.638240][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8243.638240][ T1167] ip6_route_add+0x1c/0x140 [ 8243.638240][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8243.638240][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8243.638240][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8243.638240][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8243.638240][ T1167] netlink_rcv_skb+0x130/0x360 [ 8243.638240][ T1167] netlink_unicast+0x449/0x710 [ 8243.638240][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8243.638240][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8243.638240][ T1167] ___sys_sendmsg+0xee/0x170 [ 8243.638240][ T1167] __sys_sendmsg+0xcd/0x170 [ 8243.638240][ T1167] do_syscall_64+0xc6/0x1e0 [ 8243.638240][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8243.638240][ T1167] [ 8243.640597][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8243.640597][ T1167] netdev_get_by_index+0x5e/0x80 [ 8243.640597][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8243.640597][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8243.640597][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8243.640597][ T1167] ipv6_add_addr+0x411/0x2000 [ 8243.640597][ T1167] inet6_addr_add+0x30e/0xa40 [ 8243.640597][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8243.640597][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8243.640597][ T1167] netlink_rcv_skb+0x130/0x360 [ 8243.640597][ T1167] netlink_unicast+0x449/0x710 [ 8243.640597][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8243.640597][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8243.640597][ T1167] ___sys_sendmsg+0xee/0x170 [ 8243.640597][ T1167] __sys_sendmsg+0xcd/0x170 [ 8243.640597][ T1167] do_syscall_64+0xc6/0x1e0 [ 8243.640597][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8243.640597][ T1167] [ 8243.642944][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8243.642944][ T1167] netdev_get_by_index+0x5e/0x80 [ 8243.642944][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8243.642944][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8243.642944][ T1167] ip6_route_add+0x1c/0x140 [ 8243.642944][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8243.642944][ T1167] addrconf_add_dev+0xe2/0x170 [ 8243.642944][ T1167] inet6_addr_add+0x12f/0xa40 [ 8243.642944][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8243.642944][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8243.642944][ T1167] netlink_rcv_skb+0x130/0x360 [ 8243.642944][ T1167] netlink_unicast+0x449/0x710 [ 8243.642944][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8243.642944][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8243.642944][ T1167] ___sys_sendmsg+0xee/0x170 [ 8243.642944][ T1167] __sys_sendmsg+0xcd/0x170 [ 8243.642944][ T1167] do_syscall_64+0xc6/0x1e0 [ 8243.642944][ T1167] [ 8243.645255][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8243.645255][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8243.645255][ T1167] ipv6_find_idev+0x102/0x170 [ 8243.645255][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8243.645255][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8243.645255][ T1167] netlink_rcv_skb+0x130/0x360 [ 8243.645255][ T1167] netlink_unicast+0x449/0x710 [ 8243.645255][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8243.645255][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8243.645255][ T1167] ___sys_sendmsg+0xee/0x170 [ 8243.645255][ T1167] __sys_sendmsg+0xcd/0x170 [ 8243.645255][ T1167] do_syscall_64+0xc6/0x1e0 [ 8243.645255][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8243.645255][ T1167] [ 8243.647058][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8243.647058][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8243.647058][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8243.647058][ T1167] ipv6_find_idev+0x102/0x170 [ 8243.647058][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8243.647058][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8243.647058][ T1167] netlink_rcv_skb+0x130/0x360 [ 8243.647058][ T1167] netlink_unicast+0x449/0x710 [ 8243.647058][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8243.647058][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8243.647058][ T1167] ___sys_sendmsg+0xee/0x170 [ 8243.647058][ T1167] __sys_sendmsg+0xcd/0x170 [ 8243.647058][ T1167] do_syscall_64+0xc6/0x1e0 [ 8243.647058][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8243.647058][ T1167] [ 8253.609112][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8253.609563][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8253.609563][ T10] netdev_get_by_index+0x5e/0x80 [ 8253.609563][ T10] fib6_nh_init+0x3d8/0x1580 [ 8253.609563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8253.609563][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8253.609563][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8253.609563][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8253.609563][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8253.609563][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8253.609563][ T10] addrconf_dad_begin+0x310/0x670 [ 8253.609563][ T10] addrconf_dad_work+0x10b/0xab0 [ 8253.609563][ T10] process_one_work+0x84d/0x18a0 [ 8253.609563][ T10] worker_thread+0x587/0xd30 [ 8253.609563][ T10] kthread+0x28a/0x350 [ 8253.609563][ T10] ret_from_fork+0x31/0x70 [ 8253.609563][ T10] ret_from_fork_asm+0x1a/0x30 [ 8253.609563][ T10] [ 8253.611585][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8253.611585][ T10] netdev_get_by_index+0x5e/0x80 [ 8253.611585][ T10] fib6_nh_init+0x3d8/0x1580 [ 8253.611585][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8253.611585][ T10] ip6_route_add+0x1c/0x140 [ 8253.611585][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8253.611585][ T10] inet6_addr_add+0x4f8/0xa40 [ 8253.611585][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8253.611585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8253.611585][ T10] netlink_rcv_skb+0x130/0x360 [ 8253.611585][ T10] netlink_unicast+0x449/0x710 [ 8253.611585][ T10] netlink_sendmsg+0x723/0xbe0 [ 8253.611585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8253.611585][ T10] ___sys_sendmsg+0xee/0x170 [ 8253.611585][ T10] __sys_sendmsg+0xcd/0x170 [ 8253.611585][ T10] do_syscall_64+0xc6/0x1e0 [ 8253.611585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8253.611585][ T10] [ 8253.613670][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8253.613670][ T10] netdev_get_by_index+0x5e/0x80 [ 8253.613670][ T10] fib6_nh_init+0x3d8/0x1580 [ 8253.613670][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8253.613670][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8253.613670][ T10] ipv6_add_addr+0x411/0x2000 [ 8253.613670][ T10] inet6_addr_add+0x30e/0xa40 [ 8253.613670][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8253.613670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8253.613670][ T10] netlink_rcv_skb+0x130/0x360 [ 8253.613670][ T10] netlink_unicast+0x449/0x710 [ 8253.613670][ T10] netlink_sendmsg+0x723/0xbe0 [ 8253.613670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8253.613670][ T10] ___sys_sendmsg+0xee/0x170 [ 8253.613670][ T10] __sys_sendmsg+0xcd/0x170 [ 8253.613670][ T10] do_syscall_64+0xc6/0x1e0 [ 8253.613670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8253.613670][ T10] [ 8253.615757][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8253.615757][ T10] netdev_get_by_index+0x5e/0x80 [ 8253.615757][ T10] fib6_nh_init+0x3d8/0x1580 [ 8253.615757][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8253.615757][ T10] ip6_route_add+0x1c/0x140 [ 8253.615757][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8253.615757][ T10] addrconf_add_dev+0xe2/0x170 [ 8253.615757][ T10] inet6_addr_add+0x12f/0xa40 [ 8253.615757][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8253.615757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8253.615757][ T10] netlink_rcv_skb+0x130/0x360 [ 8253.615757][ T10] netlink_unicast+0x449/0x710 [ 8253.615757][ T10] netlink_sendmsg+0x723/0xbe0 [ 8253.615757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8253.615757][ T10] ___sys_sendmsg+0xee/0x170 [ 8253.615757][ T10] __sys_sendmsg+0xcd/0x170 [ 8253.615757][ T10] do_syscall_64+0xc6/0x1e0 [ 8253.615757][ T10] [ 8253.617819][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8253.617819][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8253.617819][ T10] ipv6_find_idev+0x102/0x170 [ 8253.617819][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8253.617819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8253.617819][ T10] netlink_rcv_skb+0x130/0x360 [ 8253.617819][ T10] netlink_unicast+0x449/0x710 [ 8253.617819][ T10] netlink_sendmsg+0x723/0xbe0 [ 8253.617819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8253.617819][ T10] ___sys_sendmsg+0xee/0x170 [ 8253.617819][ T10] __sys_sendmsg+0xcd/0x170 [ 8253.617819][ T10] do_syscall_64+0xc6/0x1e0 [ 8253.617819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8253.617819][ T10] [ 8253.619962][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8253.619962][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8253.619962][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8253.619962][ T10] ipv6_find_idev+0x102/0x170 [ 8253.619962][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8253.619962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8253.619962][ T10] netlink_rcv_skb+0x130/0x360 [ 8253.619962][ T10] netlink_unicast+0x449/0x710 [ 8253.619962][ T10] netlink_sendmsg+0x723/0xbe0 [ 8253.619962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8253.619962][ T10] ___sys_sendmsg+0xee/0x170 [ 8253.619962][ T10] __sys_sendmsg+0xcd/0x170 [ 8253.619962][ T10] do_syscall_64+0xc6/0x1e0 [ 8253.619962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8253.619962][ T10] [ 8253.621724][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8253.622017][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8253.622017][ T10] netdev_get_by_index+0x5e/0x80 [ 8253.622017][ T10] fib6_nh_init+0x3d8/0x1580 [ 8253.622017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8253.622017][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8253.622017][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8253.622017][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8253.622017][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8253.622017][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8253.622017][ T10] addrconf_dad_begin+0x310/0x670 [ 8253.622017][ T10] addrconf_dad_work+0x10b/0xab0 [ 8253.622017][ T10] process_one_work+0x84d/0x18a0 [ 8253.622017][ T10] worker_thread+0x587/0xd30 [ 8253.622017][ T10] kthread+0x28a/0x350 [ 8253.622017][ T10] ret_from_fork+0x31/0x70 [ 8253.622017][ T10] ret_from_fork_asm+0x1a/0x30 [ 8253.622017][ T10] [ 8253.624007][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8253.624007][ T10] netdev_get_by_index+0x5e/0x80 [ 8253.624007][ T10] fib6_nh_init+0x3d8/0x1580 [ 8253.624007][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8253.624007][ T10] ip6_route_add+0x1c/0x140 [ 8253.624007][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8253.624007][ T10] inet6_addr_add+0x4f8/0xa40 [ 8253.624007][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8253.624007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8253.624007][ T10] netlink_rcv_skb+0x130/0x360 [ 8253.624007][ T10] netlink_unicast+0x449/0x710 [ 8253.624007][ T10] netlink_sendmsg+0x723/0xbe0 [ 8253.624007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8253.624007][ T10] ___sys_sendmsg+0xee/0x170 [ 8253.624007][ T10] __sys_sendmsg+0xcd/0x170 [ 8253.624007][ T10] do_syscall_64+0xc6/0x1e0 [ 8253.624007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8253.624007][ T10] [ 8253.626087][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8253.626087][ T10] netdev_get_by_index+0x5e/0x80 [ 8253.626087][ T10] fib6_nh_init+0x3d8/0x1580 [ 8253.626087][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8253.626087][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8253.626087][ T10] ipv6_add_addr+0x411/0x2000 [ 8253.626087][ T10] inet6_addr_add+0x30e/0xa40 [ 8253.626087][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8253.626087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8253.626087][ T10] netlink_rcv_skb+0x130/0x360 [ 8253.626087][ T10] netlink_unicast+0x449/0x710 [ 8253.626087][ T10] netlink_sendmsg+0x723/0xbe0 [ 8253.626087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8253.626087][ T10] ___sys_sendmsg+0xee/0x170 [ 8253.626087][ T10] __sys_sendmsg+0xcd/0x170 [ 8253.626087][ T10] do_syscall_64+0xc6/0x1e0 [ 8253.626087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8253.626087][ T10] [ 8253.628164][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8253.628164][ T10] netdev_get_by_index+0x5e/0x80 [ 8253.628164][ T10] fib6_nh_init+0x3d8/0x1580 [ 8253.628164][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8253.628164][ T10] ip6_route_add+0x1c/0x140 [ 8253.628164][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8253.628164][ T10] addrconf_add_dev+0xe2/0x170 [ 8253.628164][ T10] inet6_addr_add+0x12f/0xa40 [ 8253.628164][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8253.628164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8253.628164][ T10] netlink_rcv_skb+0x130/0x360 [ 8253.628164][ T10] netlink_unicast+0x449/0x710 [ 8253.628164][ T10] netlink_sendmsg+0x723/0xbe0 [ 8253.628164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8253.628164][ T10] ___sys_sendmsg+0xee/0x170 [ 8253.628164][ T10] __sys_sendmsg+0xcd/0x170 [ 8253.628164][ T10] do_syscall_64+0xc6/0x1e0 [ 8253.628164][ T10] [ 8253.630221][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8253.630221][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8253.630221][ T10] ipv6_find_idev+0x102/0x170 [ 8253.630221][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8253.630221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8253.630221][ T10] netlink_rcv_skb+0x130/0x360 [ 8253.630221][ T10] netlink_unicast+0x449/0x710 [ 8253.630221][ T10] netlink_sendmsg+0x723/0xbe0 [ 8253.630221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8253.630221][ T10] ___sys_sendmsg+0xee/0x170 [ 8253.630221][ T10] __sys_sendmsg+0xcd/0x170 [ 8253.630221][ T10] do_syscall_64+0xc6/0x1e0 [ 8253.630221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8253.630221][ T10] [ 8253.631821][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8253.631821][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8253.631821][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8253.631821][ T10] ipv6_find_idev+0x102/0x170 [ 8253.631821][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8253.631821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8253.631821][ T10] netlink_rcv_skb+0x130/0x360 [ 8253.631821][ T10] netlink_unicast+0x449/0x710 [ 8253.631821][ T10] netlink_sendmsg+0x723/0xbe0 [ 8253.631821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8253.631821][ T10] ___sys_sendmsg+0xee/0x170 [ 8253.631821][ T10] __sys_sendmsg+0xcd/0x170 [ 8253.631821][ T10] do_syscall_64+0xc6/0x1e0 [ 8253.631821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8253.631821][ T10] [ 8253.633578][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8253.633825][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8253.633825][ T10] netdev_get_by_index+0x5e/0x80 [ 8253.633825][ T10] fib6_nh_init+0x3d8/0x1580 [ 8253.633825][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8253.633825][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8253.633825][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8253.633825][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8253.633825][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8253.633825][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8253.633825][ T10] addrconf_dad_begin+0x310/0x670 [ 8253.633825][ T10] addrconf_dad_work+0x10b/0xab0 [ 8253.633825][ T10] process_one_work+0x84d/0x18a0 [ 8253.633825][ T10] worker_thread+0x587/0xd30 [ 8253.633825][ T10] kthread+0x28a/0x350 [ 8253.633825][ T10] ret_from_fork+0x31/0x70 [ 8253.633825][ T10] ret_from_fork_asm+0x1a/0x30 [ 8253.633825][ T10] [ 8253.635824][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8253.635824][ T10] netdev_get_by_index+0x5e/0x80 [ 8253.635824][ T10] fib6_nh_init+0x3d8/0x1580 [ 8253.635824][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8253.635824][ T10] ip6_route_add+0x1c/0x140 [ 8253.635824][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8253.635824][ T10] inet6_addr_add+0x4f8/0xa40 [ 8253.635824][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8253.635824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8253.635824][ T10] netlink_rcv_skb+0x130/0x360 [ 8253.635824][ T10] netlink_unicast+0x449/0x710 [ 8253.635824][ T10] netlink_sendmsg+0x723/0xbe0 [ 8253.635824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8253.635824][ T10] ___sys_sendmsg+0xee/0x170 [ 8253.635824][ T10] __sys_sendmsg+0xcd/0x170 [ 8253.635824][ T10] do_syscall_64+0xc6/0x1e0 [ 8253.635824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8253.635824][ T10] [ 8253.638089][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8253.638089][ T10] netdev_get_by_index+0x5e/0x80 [ 8253.638089][ T10] fib6_nh_init+0x3d8/0x1580 [ 8253.638089][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8253.638089][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8253.638089][ T10] ipv6_add_addr+0x411/0x2000 [ 8253.638089][ T10] inet6_addr_add+0x30e/0xa40 [ 8253.638089][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8253.638089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8253.638089][ T10] netlink_rcv_skb+0x130/0x360 [ 8253.638089][ T10] netlink_unicast+0x449/0x710 [ 8253.638089][ T10] netlink_sendmsg+0x723/0xbe0 [ 8253.638089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8253.638089][ T10] ___sys_sendmsg+0xee/0x170 [ 8253.638089][ T10] __sys_sendmsg+0xcd/0x170 [ 8253.638089][ T10] do_syscall_64+0xc6/0x1e0 [ 8253.638089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8253.638089][ T10] [ 8253.640417][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8253.640417][ T10] netdev_get_by_index+0x5e/0x80 [ 8253.640417][ T10] fib6_nh_init+0x3d8/0x1580 [ 8253.640417][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8253.640417][ T10] ip6_route_add+0x1c/0x140 [ 8253.640417][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8253.640417][ T10] addrconf_add_dev+0xe2/0x170 [ 8253.640417][ T10] inet6_addr_add+0x12f/0xa40 [ 8253.640417][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8253.640417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8253.640417][ T10] netlink_rcv_skb+0x130/0x360 [ 8253.640417][ T10] netlink_unicast+0x449/0x710 [ 8253.640417][ T10] netlink_sendmsg+0x723/0xbe0 [ 8253.640417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8253.640417][ T10] ___sys_sendmsg+0xee/0x170 [ 8253.640417][ T10] __sys_sendmsg+0xcd/0x170 [ 8253.640417][ T10] do_syscall_64+0xc6/0x1e0 [ 8253.640417][ T10] [ 8253.642700][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8253.642700][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8253.642700][ T10] ipv6_find_idev+0x102/0x170 [ 8253.642700][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8253.642700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8253.642700][ T10] netlink_rcv_skb+0x130/0x360 [ 8253.642700][ T10] netlink_unicast+0x449/0x710 [ 8253.642700][ T10] netlink_sendmsg+0x723/0xbe0 [ 8253.642700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8253.642700][ T10] ___sys_sendmsg+0xee/0x170 [ 8253.642700][ T10] __sys_sendmsg+0xcd/0x170 [ 8253.642700][ T10] do_syscall_64+0xc6/0x1e0 [ 8253.642700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8253.642700][ T10] [ 8253.644551][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8253.644551][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8253.644551][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8253.644551][ T10] ipv6_find_idev+0x102/0x170 [ 8253.644551][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8253.644551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8253.644551][ T10] netlink_rcv_skb+0x130/0x360 [ 8253.644551][ T10] netlink_unicast+0x449/0x710 [ 8253.644551][ T10] netlink_sendmsg+0x723/0xbe0 [ 8253.644551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8253.644551][ T10] ___sys_sendmsg+0xee/0x170 [ 8253.644551][ T10] __sys_sendmsg+0xcd/0x170 [ 8253.644551][ T10] do_syscall_64+0xc6/0x1e0 [ 8253.644551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8253.644551][ T10] [ 8253.646430][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8253.646673][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8253.646673][ T10] netdev_get_by_index+0x5e/0x80 [ 8253.646673][ T10] fib6_nh_init+0x3d8/0x1580 [ 8253.646673][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8253.646673][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8253.646673][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8253.646673][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8253.646673][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8253.646673][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8253.646673][ T10] addrconf_dad_begin+0x310/0x670 [ 8253.646673][ T10] addrconf_dad_work+0x10b/0xab0 [ 8253.646673][ T10] process_one_work+0x84d/0x18a0 [ 8253.646673][ T10] worker_thread+0x587/0xd30 [ 8253.646673][ T10] kthread+0x28a/0x350 [ 8253.646673][ T10] ret_from_fork+0x31/0x70 [ 8253.646673][ T10] ret_from_fork_asm+0x1a/0x30 [ 8253.646673][ T10] [ 8253.648913][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8253.648913][ T10] netdev_get_by_index+0x5e/0x80 [ 8253.648913][ T10] fib6_nh_init+0x3d8/0x1580 [ 8253.648913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8253.648913][ T10] ip6_route_add+0x1c/0x140 [ 8253.648913][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8253.648913][ T10] inet6_addr_add+0x4f8/0xa40 [ 8253.648913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8253.648913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8253.648913][ T10] netlink_rcv_skb+0x130/0x360 [ 8253.648913][ T10] netlink_unicast+0x449/0x710 [ 8253.648913][ T10] netlink_sendmsg+0x723/0xbe0 [ 8253.648913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8253.648913][ T10] ___sys_sendmsg+0xee/0x170 [ 8253.648913][ T10] __sys_sendmsg+0xcd/0x170 [ 8253.648913][ T10] do_syscall_64+0xc6/0x1e0 [ 8253.648913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8253.648913][ T10] [ 8253.651236][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8253.651236][ T10] netdev_get_by_index+0x5e/0x80 [ 8253.651236][ T10] fib6_nh_init+0x3d8/0x1580 [ 8253.651236][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8253.651236][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8253.651236][ T10] ipv6_add_addr+0x411/0x2000 [ 8253.651236][ T10] inet6_addr_add+0x30e/0xa40 [ 8253.651236][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8253.651236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8253.651236][ T10] netlink_rcv_skb+0x130/0x360 [ 8253.651236][ T10] netlink_unicast+0x449/0x710 [ 8253.651236][ T10] netlink_sendmsg+0x723/0xbe0 [ 8253.651236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8253.651236][ T10] ___sys_sendmsg+0xee/0x170 [ 8253.651236][ T10] __sys_sendmsg+0xcd/0x170 [ 8253.651236][ T10] do_syscall_64+0xc6/0x1e0 [ 8253.651236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8253.651236][ T10] [ 8253.653620][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8253.653620][ T10] netdev_get_by_index+0x5e/0x80 [ 8253.653620][ T10] fib6_nh_init+0x3d8/0x1580 [ 8253.653620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8253.653620][ T10] ip6_route_add+0x1c/0x140 [ 8253.653620][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8253.653620][ T10] addrconf_add_dev+0xe2/0x170 [ 8253.653620][ T10] inet6_addr_add+0x12f/0xa40 [ 8253.653620][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8253.653620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8253.653620][ T10] netlink_rcv_skb+0x130/0x360 [ 8253.653620][ T10] netlink_unicast+0x449/0x710 [ 8253.653620][ T10] netlink_sendmsg+0x723/0xbe0 [ 8253.653620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8253.653620][ T10] ___sys_sendmsg+0xee/0x170 [ 8253.653620][ T10] __sys_sendmsg+0xcd/0x170 [ 8253.653620][ T10] do_syscall_64+0xc6/0x1e0 [ 8253.653620][ T10] [ 8253.655839][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8253.655839][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8253.655839][ T10] ipv6_find_idev+0x102/0x170 [ 8253.655839][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8253.655839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8253.655839][ T10] netlink_rcv_skb+0x130/0x360 [ 8253.655839][ T10] netlink_unicast+0x449/0x710 [ 8253.655839][ T10] netlink_sendmsg+0x723/0xbe0 [ 8253.655839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8253.655839][ T10] ___sys_sendmsg+0xee/0x170 [ 8253.655839][ T10] __sys_sendmsg+0xcd/0x170 [ 8253.655839][ T10] do_syscall_64+0xc6/0x1e0 [ 8253.655839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8253.655839][ T10] [ 8253.657621][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8253.657621][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8253.657621][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8253.657621][ T10] ipv6_find_idev+0x102/0x170 [ 8253.657621][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8253.657621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8253.657621][ T10] netlink_rcv_skb+0x130/0x360 [ 8253.657621][ T10] netlink_unicast+0x449/0x710 [ 8253.657621][ T10] netlink_sendmsg+0x723/0xbe0 [ 8253.657621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8253.657621][ T10] ___sys_sendmsg+0xee/0x170 [ 8253.657621][ T10] __sys_sendmsg+0xcd/0x170 [ 8253.657621][ T10] do_syscall_64+0xc6/0x1e0 [ 8253.657621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8253.657621][ T10] [ 8253.921109][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8253.921616][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8253.921616][ T1167] dst_init+0x84/0x4a0 [ 8253.921616][ T1167] dst_alloc+0x97/0x150 [ 8253.921616][ T1167] ip6_dst_alloc+0x23/0x90 [ 8253.921616][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8253.921616][ T1167] ip6_pol_route+0x56f/0x840 [ 8253.921616][ T1167] fib6_rule_lookup+0x334/0x630 [ 8253.921616][ T1167] ip6_route_output_flags+0x259/0x480 [ 8253.921616][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8253.921616][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8253.921616][ T1167] netlink_rcv_skb+0x130/0x360 [ 8253.921616][ T1167] netlink_unicast+0x449/0x710 [ 8253.921616][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8253.921616][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8253.921616][ T1167] ___sys_sendmsg+0xee/0x170 [ 8253.921616][ T1167] __sys_sendmsg+0xcd/0x170 [ 8253.921616][ T1167] do_syscall_64+0xc6/0x1e0 [ 8253.921616][ T1167] [ 8253.923921][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8253.923921][ T1167] netdev_get_by_index+0x5e/0x80 [ 8253.923921][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8253.923921][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8253.923921][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8253.923921][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8253.923921][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8253.923921][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8253.923921][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8253.923921][ T1167] addrconf_dad_begin+0x310/0x670 [ 8253.923921][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8253.923921][ T1167] process_one_work+0x84d/0x18a0 [ 8253.923921][ T1167] worker_thread+0x587/0xd30 [ 8253.923921][ T1167] kthread+0x28a/0x350 [ 8253.923921][ T1167] ret_from_fork+0x31/0x70 [ 8253.923921][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8253.923921][ T1167] [ 8253.926180][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8253.926180][ T1167] netdev_get_by_index+0x5e/0x80 [ 8253.926180][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8253.926180][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8253.926180][ T1167] ip6_route_add+0x1c/0x140 [ 8253.926180][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8253.926180][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8253.926180][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8253.926180][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8253.926180][ T1167] netlink_rcv_skb+0x130/0x360 [ 8253.926180][ T1167] netlink_unicast+0x449/0x710 [ 8253.926180][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8253.926180][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8253.926180][ T1167] ___sys_sendmsg+0xee/0x170 [ 8253.926180][ T1167] __sys_sendmsg+0xcd/0x170 [ 8253.926180][ T1167] do_syscall_64+0xc6/0x1e0 [ 8253.926180][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8253.926180][ T1167] [ 8253.928531][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8253.928531][ T1167] netdev_get_by_index+0x5e/0x80 [ 8253.928531][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8253.928531][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8253.928531][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8253.928531][ T1167] ipv6_add_addr+0x411/0x2000 [ 8253.928531][ T1167] inet6_addr_add+0x30e/0xa40 [ 8253.928531][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8253.928531][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8253.928531][ T1167] netlink_rcv_skb+0x130/0x360 [ 8253.928531][ T1167] netlink_unicast+0x449/0x710 [ 8253.928531][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8253.928531][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8253.928531][ T1167] ___sys_sendmsg+0xee/0x170 [ 8253.928531][ T1167] __sys_sendmsg+0xcd/0x170 [ 8253.928531][ T1167] do_syscall_64+0xc6/0x1e0 [ 8253.928531][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8253.928531][ T1167] [ 8253.930904][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8253.930904][ T1167] netdev_get_by_index+0x5e/0x80 [ 8253.930904][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8253.930904][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8253.930904][ T1167] ip6_route_add+0x1c/0x140 [ 8253.930904][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8253.930904][ T1167] addrconf_add_dev+0xe2/0x170 [ 8253.930904][ T1167] inet6_addr_add+0x12f/0xa40 [ 8253.930904][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8253.930904][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8253.930904][ T1167] netlink_rcv_skb+0x130/0x360 [ 8253.930904][ T1167] netlink_unicast+0x449/0x710 [ 8253.930904][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8253.930904][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8253.930904][ T1167] ___sys_sendmsg+0xee/0x170 [ 8253.930904][ T1167] __sys_sendmsg+0xcd/0x170 [ 8253.930904][ T1167] do_syscall_64+0xc6/0x1e0 [ 8253.930904][ T1167] [ 8253.933213][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8253.933213][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8253.933213][ T1167] ipv6_find_idev+0x102/0x170 [ 8253.933213][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8253.933213][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8253.933213][ T1167] netlink_rcv_skb+0x130/0x360 [ 8253.933213][ T1167] netlink_unicast+0x449/0x710 [ 8253.933213][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8253.933213][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8253.933213][ T1167] ___sys_sendmsg+0xee/0x170 [ 8253.933213][ T1167] __sys_sendmsg+0xcd/0x170 [ 8253.933213][ T1167] do_syscall_64+0xc6/0x1e0 [ 8253.933213][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8253.933213][ T1167] [ 8253.935023][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8253.935023][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8253.935023][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8253.935023][ T1167] ipv6_find_idev+0x102/0x170 [ 8253.935023][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8253.935023][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8253.935023][ T1167] netlink_rcv_skb+0x130/0x360 [ 8253.935023][ T1167] netlink_unicast+0x449/0x710 [ 8253.935023][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8253.935023][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8253.935023][ T1167] ___sys_sendmsg+0xee/0x170 [ 8253.935023][ T1167] __sys_sendmsg+0xcd/0x170 [ 8253.935023][ T1167] do_syscall_64+0xc6/0x1e0 [ 8253.935023][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8253.935023][ T1167] [ 8263.665142][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8263.665511][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8263.665511][ T10] netdev_get_by_index+0x5e/0x80 [ 8263.665511][ T10] fib6_nh_init+0x3d8/0x1580 [ 8263.665511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8263.665511][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8263.665511][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8263.665511][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8263.665511][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8263.665511][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8263.665511][ T10] addrconf_dad_begin+0x310/0x670 [ 8263.665511][ T10] addrconf_dad_work+0x10b/0xab0 [ 8263.665511][ T10] process_one_work+0x84d/0x18a0 [ 8263.665511][ T10] worker_thread+0x587/0xd30 [ 8263.665511][ T10] kthread+0x28a/0x350 [ 8263.665511][ T10] ret_from_fork+0x31/0x70 [ 8263.665511][ T10] ret_from_fork_asm+0x1a/0x30 [ 8263.665511][ T10] [ 8263.667517][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8263.667517][ T10] netdev_get_by_index+0x5e/0x80 [ 8263.667517][ T10] fib6_nh_init+0x3d8/0x1580 [ 8263.667517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8263.667517][ T10] ip6_route_add+0x1c/0x140 [ 8263.667517][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8263.667517][ T10] inet6_addr_add+0x4f8/0xa40 [ 8263.667517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8263.667517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8263.667517][ T10] netlink_rcv_skb+0x130/0x360 [ 8263.667517][ T10] netlink_unicast+0x449/0x710 [ 8263.667517][ T10] netlink_sendmsg+0x723/0xbe0 [ 8263.667517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8263.667517][ T10] ___sys_sendmsg+0xee/0x170 [ 8263.667517][ T10] __sys_sendmsg+0xcd/0x170 [ 8263.667517][ T10] do_syscall_64+0xc6/0x1e0 [ 8263.667517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8263.667517][ T10] [ 8263.669574][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8263.669574][ T10] netdev_get_by_index+0x5e/0x80 [ 8263.669574][ T10] fib6_nh_init+0x3d8/0x1580 [ 8263.669574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8263.669574][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8263.669574][ T10] ipv6_add_addr+0x411/0x2000 [ 8263.669574][ T10] inet6_addr_add+0x30e/0xa40 [ 8263.669574][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8263.669574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8263.669574][ T10] netlink_rcv_skb+0x130/0x360 [ 8263.669574][ T10] netlink_unicast+0x449/0x710 [ 8263.669574][ T10] netlink_sendmsg+0x723/0xbe0 [ 8263.669574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8263.669574][ T10] ___sys_sendmsg+0xee/0x170 [ 8263.669574][ T10] __sys_sendmsg+0xcd/0x170 [ 8263.669574][ T10] do_syscall_64+0xc6/0x1e0 [ 8263.669574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8263.669574][ T10] [ 8263.671564][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8263.671564][ T10] netdev_get_by_index+0x5e/0x80 [ 8263.671564][ T10] fib6_nh_init+0x3d8/0x1580 [ 8263.671564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8263.671564][ T10] ip6_route_add+0x1c/0x140 [ 8263.671564][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8263.671564][ T10] addrconf_add_dev+0xe2/0x170 [ 8263.671564][ T10] inet6_addr_add+0x12f/0xa40 [ 8263.671564][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8263.671564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8263.671564][ T10] netlink_rcv_skb+0x130/0x360 [ 8263.671564][ T10] netlink_unicast+0x449/0x710 [ 8263.671564][ T10] netlink_sendmsg+0x723/0xbe0 [ 8263.671564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8263.671564][ T10] ___sys_sendmsg+0xee/0x170 [ 8263.671564][ T10] __sys_sendmsg+0xcd/0x170 [ 8263.671564][ T10] do_syscall_64+0xc6/0x1e0 [ 8263.671564][ T10] [ 8263.673511][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8263.673511][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8263.673511][ T10] ipv6_find_idev+0x102/0x170 [ 8263.673511][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8263.673511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8263.673511][ T10] netlink_rcv_skb+0x130/0x360 [ 8263.673511][ T10] netlink_unicast+0x449/0x710 [ 8263.673511][ T10] netlink_sendmsg+0x723/0xbe0 [ 8263.673511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8263.673511][ T10] ___sys_sendmsg+0xee/0x170 [ 8263.673511][ T10] __sys_sendmsg+0xcd/0x170 [ 8263.673511][ T10] do_syscall_64+0xc6/0x1e0 [ 8263.673511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8263.673511][ T10] [ 8263.675050][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8263.675050][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8263.675050][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8263.675050][ T10] ipv6_find_idev+0x102/0x170 [ 8263.675050][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8263.675050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8263.675050][ T10] netlink_rcv_skb+0x130/0x360 [ 8263.675050][ T10] netlink_unicast+0x449/0x710 [ 8263.675050][ T10] netlink_sendmsg+0x723/0xbe0 [ 8263.675050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8263.675050][ T10] ___sys_sendmsg+0xee/0x170 [ 8263.675050][ T10] __sys_sendmsg+0xcd/0x170 [ 8263.675050][ T10] do_syscall_64+0xc6/0x1e0 [ 8263.675050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8263.675050][ T10] [ 8263.676734][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8263.676972][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8263.676972][ T10] netdev_get_by_index+0x5e/0x80 [ 8263.676972][ T10] fib6_nh_init+0x3d8/0x1580 [ 8263.676972][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8263.676972][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8263.676972][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8263.676972][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8263.676972][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8263.676972][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8263.676972][ T10] addrconf_dad_begin+0x310/0x670 [ 8263.676972][ T10] addrconf_dad_work+0x10b/0xab0 [ 8263.676972][ T10] process_one_work+0x84d/0x18a0 [ 8263.676972][ T10] worker_thread+0x587/0xd30 [ 8263.676972][ T10] kthread+0x28a/0x350 [ 8263.676972][ T10] ret_from_fork+0x31/0x70 [ 8263.676972][ T10] ret_from_fork_asm+0x1a/0x30 [ 8263.676972][ T10] [ 8263.678865][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8263.678865][ T10] netdev_get_by_index+0x5e/0x80 [ 8263.678865][ T10] fib6_nh_init+0x3d8/0x1580 [ 8263.678865][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8263.678865][ T10] ip6_route_add+0x1c/0x140 [ 8263.678865][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8263.678865][ T10] inet6_addr_add+0x4f8/0xa40 [ 8263.678865][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8263.678865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8263.678865][ T10] netlink_rcv_skb+0x130/0x360 [ 8263.678865][ T10] netlink_unicast+0x449/0x710 [ 8263.678865][ T10] netlink_sendmsg+0x723/0xbe0 [ 8263.678865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8263.678865][ T10] ___sys_sendmsg+0xee/0x170 [ 8263.678865][ T10] __sys_sendmsg+0xcd/0x170 [ 8263.678865][ T10] do_syscall_64+0xc6/0x1e0 [ 8263.678865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8263.678865][ T10] [ 8263.680856][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8263.680856][ T10] netdev_get_by_index+0x5e/0x80 [ 8263.680856][ T10] fib6_nh_init+0x3d8/0x1580 [ 8263.680856][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8263.680856][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8263.680856][ T10] ipv6_add_addr+0x411/0x2000 [ 8263.680856][ T10] inet6_addr_add+0x30e/0xa40 [ 8263.680856][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8263.680856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8263.680856][ T10] netlink_rcv_skb+0x130/0x360 [ 8263.680856][ T10] netlink_unicast+0x449/0x710 [ 8263.680856][ T10] netlink_sendmsg+0x723/0xbe0 [ 8263.680856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8263.680856][ T10] ___sys_sendmsg+0xee/0x170 [ 8263.680856][ T10] __sys_sendmsg+0xcd/0x170 [ 8263.680856][ T10] do_syscall_64+0xc6/0x1e0 [ 8263.680856][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8263.680856][ T10] [ 8263.682840][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8263.682840][ T10] netdev_get_by_index+0x5e/0x80 [ 8263.682840][ T10] fib6_nh_init+0x3d8/0x1580 [ 8263.682840][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8263.682840][ T10] ip6_route_add+0x1c/0x140 [ 8263.682840][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8263.682840][ T10] addrconf_add_dev+0xe2/0x170 [ 8263.682840][ T10] inet6_addr_add+0x12f/0xa40 [ 8263.682840][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8263.682840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8263.682840][ T10] netlink_rcv_skb+0x130/0x360 [ 8263.682840][ T10] netlink_unicast+0x449/0x710 [ 8263.682840][ T10] netlink_sendmsg+0x723/0xbe0 [ 8263.682840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8263.682840][ T10] ___sys_sendmsg+0xee/0x170 [ 8263.682840][ T10] __sys_sendmsg+0xcd/0x170 [ 8263.682840][ T10] do_syscall_64+0xc6/0x1e0 [ 8263.682840][ T10] [ 8263.684788][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8263.684788][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8263.684788][ T10] ipv6_find_idev+0x102/0x170 [ 8263.684788][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8263.684788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8263.684788][ T10] netlink_rcv_skb+0x130/0x360 [ 8263.684788][ T10] netlink_unicast+0x449/0x710 [ 8263.684788][ T10] netlink_sendmsg+0x723/0xbe0 [ 8263.684788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8263.684788][ T10] ___sys_sendmsg+0xee/0x170 [ 8263.684788][ T10] __sys_sendmsg+0xcd/0x170 [ 8263.684788][ T10] do_syscall_64+0xc6/0x1e0 [ 8263.684788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8263.684788][ T10] [ 8263.686320][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8263.686320][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8263.686320][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8263.686320][ T10] ipv6_find_idev+0x102/0x170 [ 8263.686320][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8263.686320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8263.686320][ T10] netlink_rcv_skb+0x130/0x360 [ 8263.686320][ T10] netlink_unicast+0x449/0x710 [ 8263.686320][ T10] netlink_sendmsg+0x723/0xbe0 [ 8263.686320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8263.686320][ T10] ___sys_sendmsg+0xee/0x170 [ 8263.686320][ T10] __sys_sendmsg+0xcd/0x170 [ 8263.686320][ T10] do_syscall_64+0xc6/0x1e0 [ 8263.686320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8263.686320][ T10] [ 8263.687988][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8263.688233][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8263.688233][ T10] netdev_get_by_index+0x5e/0x80 [ 8263.688233][ T10] fib6_nh_init+0x3d8/0x1580 [ 8263.688233][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8263.688233][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8263.688233][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8263.688233][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8263.688233][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8263.688233][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8263.688233][ T10] addrconf_dad_begin+0x310/0x670 [ 8263.688233][ T10] addrconf_dad_work+0x10b/0xab0 [ 8263.688233][ T10] process_one_work+0x84d/0x18a0 [ 8263.688233][ T10] worker_thread+0x587/0xd30 [ 8263.688233][ T10] kthread+0x28a/0x350 [ 8263.688233][ T10] ret_from_fork+0x31/0x70 [ 8263.688233][ T10] ret_from_fork_asm+0x1a/0x30 [ 8263.688233][ T10] [ 8263.690162][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8263.690162][ T10] netdev_get_by_index+0x5e/0x80 [ 8263.690162][ T10] fib6_nh_init+0x3d8/0x1580 [ 8263.690162][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8263.690162][ T10] ip6_route_add+0x1c/0x140 [ 8263.690162][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8263.690162][ T10] inet6_addr_add+0x4f8/0xa40 [ 8263.690162][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8263.690162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8263.690162][ T10] netlink_rcv_skb+0x130/0x360 [ 8263.690162][ T10] netlink_unicast+0x449/0x710 [ 8263.690162][ T10] netlink_sendmsg+0x723/0xbe0 [ 8263.690162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8263.690162][ T10] ___sys_sendmsg+0xee/0x170 [ 8263.690162][ T10] __sys_sendmsg+0xcd/0x170 [ 8263.690162][ T10] do_syscall_64+0xc6/0x1e0 [ 8263.690162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8263.690162][ T10] [ 8263.692324][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8263.692324][ T10] netdev_get_by_index+0x5e/0x80 [ 8263.692324][ T10] fib6_nh_init+0x3d8/0x1580 [ 8263.692324][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8263.692324][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8263.692324][ T10] ipv6_add_addr+0x411/0x2000 [ 8263.692324][ T10] inet6_addr_add+0x30e/0xa40 [ 8263.692324][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8263.692324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8263.692324][ T10] netlink_rcv_skb+0x130/0x360 [ 8263.692324][ T10] netlink_unicast+0x449/0x710 [ 8263.692324][ T10] netlink_sendmsg+0x723/0xbe0 [ 8263.692324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8263.692324][ T10] ___sys_sendmsg+0xee/0x170 [ 8263.692324][ T10] __sys_sendmsg+0xcd/0x170 [ 8263.692324][ T10] do_syscall_64+0xc6/0x1e0 [ 8263.692324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8263.692324][ T10] [ 8263.694544][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8263.694544][ T10] netdev_get_by_index+0x5e/0x80 [ 8263.694544][ T10] fib6_nh_init+0x3d8/0x1580 [ 8263.694544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8263.694544][ T10] ip6_route_add+0x1c/0x140 [ 8263.694544][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8263.694544][ T10] addrconf_add_dev+0xe2/0x170 [ 8263.694544][ T10] inet6_addr_add+0x12f/0xa40 [ 8263.694544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8263.694544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8263.694544][ T10] netlink_rcv_skb+0x130/0x360 [ 8263.694544][ T10] netlink_unicast+0x449/0x710 [ 8263.694544][ T10] netlink_sendmsg+0x723/0xbe0 [ 8263.694544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8263.694544][ T10] ___sys_sendmsg+0xee/0x170 [ 8263.694544][ T10] __sys_sendmsg+0xcd/0x170 [ 8263.694544][ T10] do_syscall_64+0xc6/0x1e0 [ 8263.694544][ T10] [ 8263.696793][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8263.696793][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8263.696793][ T10] ipv6_find_idev+0x102/0x170 [ 8263.696793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8263.696793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8263.696793][ T10] netlink_rcv_skb+0x130/0x360 [ 8263.696793][ T10] netlink_unicast+0x449/0x710 [ 8263.696793][ T10] netlink_sendmsg+0x723/0xbe0 [ 8263.696793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8263.696793][ T10] ___sys_sendmsg+0xee/0x170 [ 8263.696793][ T10] __sys_sendmsg+0xcd/0x170 [ 8263.696793][ T10] do_syscall_64+0xc6/0x1e0 [ 8263.696793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8263.696793][ T10] [ 8263.698510][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8263.698510][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8263.698510][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8263.698510][ T10] ipv6_find_idev+0x102/0x170 [ 8263.698510][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8263.698510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8263.698510][ T10] netlink_rcv_skb+0x130/0x360 [ 8263.698510][ T10] netlink_unicast+0x449/0x710 [ 8263.698510][ T10] netlink_sendmsg+0x723/0xbe0 [ 8263.698510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8263.698510][ T10] ___sys_sendmsg+0xee/0x170 [ 8263.698510][ T10] __sys_sendmsg+0xcd/0x170 [ 8263.698510][ T10] do_syscall_64+0xc6/0x1e0 [ 8263.698510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8263.698510][ T10] [ 8263.700309][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8263.700556][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8263.700556][ T10] netdev_get_by_index+0x5e/0x80 [ 8263.700556][ T10] fib6_nh_init+0x3d8/0x1580 [ 8263.700556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8263.700556][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8263.700556][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8263.700556][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8263.700556][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8263.700556][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8263.700556][ T10] addrconf_dad_begin+0x310/0x670 [ 8263.700556][ T10] addrconf_dad_work+0x10b/0xab0 [ 8263.700556][ T10] process_one_work+0x84d/0x18a0 [ 8263.700556][ T10] worker_thread+0x587/0xd30 [ 8263.700556][ T10] kthread+0x28a/0x350 [ 8263.700556][ T10] ret_from_fork+0x31/0x70 [ 8263.700556][ T10] ret_from_fork_asm+0x1a/0x30 [ 8263.700556][ T10] [ 8263.702693][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8263.702693][ T10] netdev_get_by_index+0x5e/0x80 [ 8263.702693][ T10] fib6_nh_init+0x3d8/0x1580 [ 8263.702693][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8263.702693][ T10] ip6_route_add+0x1c/0x140 [ 8263.702693][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8263.702693][ T10] inet6_addr_add+0x4f8/0xa40 [ 8263.702693][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8263.702693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8263.702693][ T10] netlink_rcv_skb+0x130/0x360 [ 8263.702693][ T10] netlink_unicast+0x449/0x710 [ 8263.702693][ T10] netlink_sendmsg+0x723/0xbe0 [ 8263.702693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8263.702693][ T10] ___sys_sendmsg+0xee/0x170 [ 8263.702693][ T10] __sys_sendmsg+0xcd/0x170 [ 8263.702693][ T10] do_syscall_64+0xc6/0x1e0 [ 8263.702693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8263.702693][ T10] [ 8263.704978][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8263.704978][ T10] netdev_get_by_index+0x5e/0x80 [ 8263.704978][ T10] fib6_nh_init+0x3d8/0x1580 [ 8263.704978][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8263.704978][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8263.704978][ T10] ipv6_add_addr+0x411/0x2000 [ 8263.704978][ T10] inet6_addr_add+0x30e/0xa40 [ 8263.704978][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8263.704978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8263.704978][ T10] netlink_rcv_skb+0x130/0x360 [ 8263.704978][ T10] netlink_unicast+0x449/0x710 [ 8263.704978][ T10] netlink_sendmsg+0x723/0xbe0 [ 8263.704978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8263.704978][ T10] ___sys_sendmsg+0xee/0x170 [ 8263.704978][ T10] __sys_sendmsg+0xcd/0x170 [ 8263.704978][ T10] do_syscall_64+0xc6/0x1e0 [ 8263.704978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8263.704978][ T10] [ 8263.707140][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8263.707140][ T10] netdev_get_by_index+0x5e/0x80 [ 8263.707140][ T10] fib6_nh_init+0x3d8/0x1580 [ 8263.707140][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8263.707140][ T10] ip6_route_add+0x1c/0x140 [ 8263.707140][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8263.707140][ T10] addrconf_add_dev+0xe2/0x170 [ 8263.707140][ T10] inet6_addr_add+0x12f/0xa40 [ 8263.707140][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8263.707140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8263.707140][ T10] netlink_rcv_skb+0x130/0x360 [ 8263.707140][ T10] netlink_unicast+0x449/0x710 [ 8263.707140][ T10] netlink_sendmsg+0x723/0xbe0 [ 8263.707140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8263.707140][ T10] ___sys_sendmsg+0xee/0x170 [ 8263.707140][ T10] __sys_sendmsg+0xcd/0x170 [ 8263.707140][ T10] do_syscall_64+0xc6/0x1e0 [ 8263.707140][ T10] [ 8263.709354][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8263.709354][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8263.709354][ T10] ipv6_find_idev+0x102/0x170 [ 8263.709354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8263.709354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8263.709354][ T10] netlink_rcv_skb+0x130/0x360 [ 8263.709354][ T10] netlink_unicast+0x449/0x710 [ 8263.709354][ T10] netlink_sendmsg+0x723/0xbe0 [ 8263.709354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8263.709354][ T10] ___sys_sendmsg+0xee/0x170 [ 8263.709354][ T10] __sys_sendmsg+0xcd/0x170 [ 8263.709354][ T10] do_syscall_64+0xc6/0x1e0 [ 8263.709354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8263.709354][ T10] [ 8263.711060][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8263.711060][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8263.711060][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8263.711060][ T10] ipv6_find_idev+0x102/0x170 [ 8263.711060][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8263.711060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8263.711060][ T10] netlink_rcv_skb+0x130/0x360 [ 8263.711060][ T10] netlink_unicast+0x449/0x710 [ 8263.711060][ T10] netlink_sendmsg+0x723/0xbe0 [ 8263.711060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8263.711060][ T10] ___sys_sendmsg+0xee/0x170 [ 8263.711060][ T10] __sys_sendmsg+0xcd/0x170 [ 8263.711060][ T10] do_syscall_64+0xc6/0x1e0 [ 8263.711060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8263.711060][ T10] [ 8264.177107][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8264.177537][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8264.177537][ T1167] dst_init+0x84/0x4a0 [ 8264.177537][ T1167] dst_alloc+0x97/0x150 [ 8264.177537][ T1167] ip6_dst_alloc+0x23/0x90 [ 8264.177537][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8264.177537][ T1167] ip6_pol_route+0x56f/0x840 [ 8264.177537][ T1167] fib6_rule_lookup+0x334/0x630 [ 8264.177537][ T1167] ip6_route_output_flags+0x259/0x480 [ 8264.177537][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8264.177537][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8264.177537][ T1167] netlink_rcv_skb+0x130/0x360 [ 8264.177537][ T1167] netlink_unicast+0x449/0x710 [ 8264.177537][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8264.177537][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8264.177537][ T1167] ___sys_sendmsg+0xee/0x170 [ 8264.177537][ T1167] __sys_sendmsg+0xcd/0x170 [ 8264.177537][ T1167] do_syscall_64+0xc6/0x1e0 [ 8264.177537][ T1167] [ 8264.179752][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8264.179752][ T1167] netdev_get_by_index+0x5e/0x80 [ 8264.179752][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8264.179752][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8264.179752][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8264.179752][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8264.179752][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8264.179752][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8264.179752][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8264.179752][ T1167] addrconf_dad_begin+0x310/0x670 [ 8264.179752][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8264.179752][ T1167] process_one_work+0x84d/0x18a0 [ 8264.179752][ T1167] worker_thread+0x587/0xd30 [ 8264.179752][ T1167] kthread+0x28a/0x350 [ 8264.179752][ T1167] ret_from_fork+0x31/0x70 [ 8264.179752][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8264.179752][ T1167] [ 8264.182425][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8264.182425][ T1167] netdev_get_by_index+0x5e/0x80 [ 8264.182425][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8264.182425][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8264.182425][ T1167] ip6_route_add+0x1c/0x140 [ 8264.182425][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8264.182425][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8264.182425][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8264.182425][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8264.182425][ T1167] netlink_rcv_skb+0x130/0x360 [ 8264.182425][ T1167] netlink_unicast+0x449/0x710 [ 8264.182425][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8264.182425][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8264.182425][ T1167] ___sys_sendmsg+0xee/0x170 [ 8264.182425][ T1167] __sys_sendmsg+0xcd/0x170 [ 8264.182425][ T1167] do_syscall_64+0xc6/0x1e0 [ 8264.182425][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8264.182425][ T1167] [ 8264.184679][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8264.184679][ T1167] netdev_get_by_index+0x5e/0x80 [ 8264.184679][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8264.184679][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8264.184679][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8264.184679][ T1167] ipv6_add_addr+0x411/0x2000 [ 8264.184679][ T1167] inet6_addr_add+0x30e/0xa40 [ 8264.184679][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8264.184679][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8264.184679][ T1167] netlink_rcv_skb+0x130/0x360 [ 8264.184679][ T1167] netlink_unicast+0x449/0x710 [ 8264.184679][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8264.184679][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8264.184679][ T1167] ___sys_sendmsg+0xee/0x170 [ 8264.184679][ T1167] __sys_sendmsg+0xcd/0x170 [ 8264.184679][ T1167] do_syscall_64+0xc6/0x1e0 [ 8264.184679][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8264.184679][ T1167] [ 8264.186935][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8264.186935][ T1167] netdev_get_by_index+0x5e/0x80 [ 8264.186935][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8264.186935][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8264.186935][ T1167] ip6_route_add+0x1c/0x140 [ 8264.186935][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8264.186935][ T1167] addrconf_add_dev+0xe2/0x170 [ 8264.186935][ T1167] inet6_addr_add+0x12f/0xa40 [ 8264.186935][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8264.186935][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8264.186935][ T1167] netlink_rcv_skb+0x130/0x360 [ 8264.186935][ T1167] netlink_unicast+0x449/0x710 [ 8264.186935][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8264.186935][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8264.186935][ T1167] ___sys_sendmsg+0xee/0x170 [ 8264.186935][ T1167] __sys_sendmsg+0xcd/0x170 [ 8264.186935][ T1167] do_syscall_64+0xc6/0x1e0 [ 8264.186935][ T1167] [ 8264.189153][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8264.189153][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8264.189153][ T1167] ipv6_find_idev+0x102/0x170 [ 8264.189153][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8264.189153][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8264.189153][ T1167] netlink_rcv_skb+0x130/0x360 [ 8264.189153][ T1167] netlink_unicast+0x449/0x710 [ 8264.189153][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8264.189153][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8264.189153][ T1167] ___sys_sendmsg+0xee/0x170 [ 8264.189153][ T1167] __sys_sendmsg+0xcd/0x170 [ 8264.189153][ T1167] do_syscall_64+0xc6/0x1e0 [ 8264.189153][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8264.189153][ T1167] [ 8264.190906][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8264.190906][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8264.190906][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8264.190906][ T1167] ipv6_find_idev+0x102/0x170 [ 8264.190906][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8264.190906][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8264.190906][ T1167] netlink_rcv_skb+0x130/0x360 [ 8264.190906][ T1167] netlink_unicast+0x449/0x710 [ 8264.190906][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8264.190906][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8264.190906][ T1167] ___sys_sendmsg+0xee/0x170 [ 8264.190906][ T1167] __sys_sendmsg+0xcd/0x170 [ 8264.190906][ T1167] do_syscall_64+0xc6/0x1e0 [ 8264.190906][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8264.190906][ T1167] [ 8273.961115][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8273.961466][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8273.961466][ T10] netdev_get_by_index+0x5e/0x80 [ 8273.961466][ T10] fib6_nh_init+0x3d8/0x1580 [ 8273.961466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8273.961466][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8273.961466][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8273.961466][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8273.961466][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8273.961466][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8273.961466][ T10] addrconf_dad_begin+0x310/0x670 [ 8273.961466][ T10] addrconf_dad_work+0x10b/0xab0 [ 8273.961466][ T10] process_one_work+0x84d/0x18a0 [ 8273.961466][ T10] worker_thread+0x587/0xd30 [ 8273.961466][ T10] kthread+0x28a/0x350 [ 8273.961466][ T10] ret_from_fork+0x31/0x70 [ 8273.961466][ T10] ret_from_fork_asm+0x1a/0x30 [ 8273.961466][ T10] [ 8273.963386][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8273.963386][ T10] netdev_get_by_index+0x5e/0x80 [ 8273.963386][ T10] fib6_nh_init+0x3d8/0x1580 [ 8273.963386][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8273.963386][ T10] ip6_route_add+0x1c/0x140 [ 8273.963386][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8273.963386][ T10] inet6_addr_add+0x4f8/0xa40 [ 8273.963386][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8273.963386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8273.963386][ T10] netlink_rcv_skb+0x130/0x360 [ 8273.963386][ T10] netlink_unicast+0x449/0x710 [ 8273.963386][ T10] netlink_sendmsg+0x723/0xbe0 [ 8273.963386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8273.963386][ T10] ___sys_sendmsg+0xee/0x170 [ 8273.963386][ T10] __sys_sendmsg+0xcd/0x170 [ 8273.963386][ T10] do_syscall_64+0xc6/0x1e0 [ 8273.963386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8273.963386][ T10] [ 8273.965363][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8273.965363][ T10] netdev_get_by_index+0x5e/0x80 [ 8273.965363][ T10] fib6_nh_init+0x3d8/0x1580 [ 8273.965363][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8273.965363][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8273.965363][ T10] ipv6_add_addr+0x411/0x2000 [ 8273.965363][ T10] inet6_addr_add+0x30e/0xa40 [ 8273.965363][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8273.965363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8273.965363][ T10] netlink_rcv_skb+0x130/0x360 [ 8273.965363][ T10] netlink_unicast+0x449/0x710 [ 8273.965363][ T10] netlink_sendmsg+0x723/0xbe0 [ 8273.965363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8273.965363][ T10] ___sys_sendmsg+0xee/0x170 [ 8273.965363][ T10] __sys_sendmsg+0xcd/0x170 [ 8273.965363][ T10] do_syscall_64+0xc6/0x1e0 [ 8273.965363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8273.965363][ T10] [ 8273.967346][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8273.967346][ T10] netdev_get_by_index+0x5e/0x80 [ 8273.967346][ T10] fib6_nh_init+0x3d8/0x1580 [ 8273.967346][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8273.967346][ T10] ip6_route_add+0x1c/0x140 [ 8273.967346][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8273.967346][ T10] addrconf_add_dev+0xe2/0x170 [ 8273.967346][ T10] inet6_addr_add+0x12f/0xa40 [ 8273.967346][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8273.967346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8273.967346][ T10] netlink_rcv_skb+0x130/0x360 [ 8273.967346][ T10] netlink_unicast+0x449/0x710 [ 8273.967346][ T10] netlink_sendmsg+0x723/0xbe0 [ 8273.967346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8273.967346][ T10] ___sys_sendmsg+0xee/0x170 [ 8273.967346][ T10] __sys_sendmsg+0xcd/0x170 [ 8273.967346][ T10] do_syscall_64+0xc6/0x1e0 [ 8273.967346][ T10] [ 8273.969308][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8273.969308][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8273.969308][ T10] ipv6_find_idev+0x102/0x170 [ 8273.969308][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8273.969308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8273.969308][ T10] netlink_rcv_skb+0x130/0x360 [ 8273.969308][ T10] netlink_unicast+0x449/0x710 [ 8273.969308][ T10] netlink_sendmsg+0x723/0xbe0 [ 8273.969308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8273.969308][ T10] ___sys_sendmsg+0xee/0x170 [ 8273.969308][ T10] __sys_sendmsg+0xcd/0x170 [ 8273.969308][ T10] do_syscall_64+0xc6/0x1e0 [ 8273.969308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8273.969308][ T10] [ 8273.970837][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8273.970837][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8273.970837][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8273.970837][ T10] ipv6_find_idev+0x102/0x170 [ 8273.970837][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8273.970837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8273.970837][ T10] netlink_rcv_skb+0x130/0x360 [ 8273.970837][ T10] netlink_unicast+0x449/0x710 [ 8273.970837][ T10] netlink_sendmsg+0x723/0xbe0 [ 8273.970837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8273.970837][ T10] ___sys_sendmsg+0xee/0x170 [ 8273.970837][ T10] __sys_sendmsg+0xcd/0x170 [ 8273.970837][ T10] do_syscall_64+0xc6/0x1e0 [ 8273.970837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8273.970837][ T10] [ 8273.972513][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8273.972776][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8273.972776][ T10] netdev_get_by_index+0x5e/0x80 [ 8273.972776][ T10] fib6_nh_init+0x3d8/0x1580 [ 8273.972776][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8273.972776][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8273.972776][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8273.972776][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8273.972776][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8273.972776][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8273.972776][ T10] addrconf_dad_begin+0x310/0x670 [ 8273.972776][ T10] addrconf_dad_work+0x10b/0xab0 [ 8273.972776][ T10] process_one_work+0x84d/0x18a0 [ 8273.972776][ T10] worker_thread+0x587/0xd30 [ 8273.972776][ T10] kthread+0x28a/0x350 [ 8273.972776][ T10] ret_from_fork+0x31/0x70 [ 8273.972776][ T10] ret_from_fork_asm+0x1a/0x30 [ 8273.972776][ T10] [ 8273.974668][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8273.974668][ T10] netdev_get_by_index+0x5e/0x80 [ 8273.974668][ T10] fib6_nh_init+0x3d8/0x1580 [ 8273.974668][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8273.974668][ T10] ip6_route_add+0x1c/0x140 [ 8273.974668][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8273.974668][ T10] inet6_addr_add+0x4f8/0xa40 [ 8273.974668][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8273.974668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8273.974668][ T10] netlink_rcv_skb+0x130/0x360 [ 8273.974668][ T10] netlink_unicast+0x449/0x710 [ 8273.974668][ T10] netlink_sendmsg+0x723/0xbe0 [ 8273.974668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8273.974668][ T10] ___sys_sendmsg+0xee/0x170 [ 8273.974668][ T10] __sys_sendmsg+0xcd/0x170 [ 8273.974668][ T10] do_syscall_64+0xc6/0x1e0 [ 8273.974668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8273.974668][ T10] [ 8273.976647][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8273.976647][ T10] netdev_get_by_index+0x5e/0x80 [ 8273.976647][ T10] fib6_nh_init+0x3d8/0x1580 [ 8273.976647][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8273.976647][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8273.976647][ T10] ipv6_add_addr+0x411/0x2000 [ 8273.976647][ T10] inet6_addr_add+0x30e/0xa40 [ 8273.976647][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8273.976647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8273.976647][ T10] netlink_rcv_skb+0x130/0x360 [ 8273.976647][ T10] netlink_unicast+0x449/0x710 [ 8273.976647][ T10] netlink_sendmsg+0x723/0xbe0 [ 8273.976647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8273.976647][ T10] ___sys_sendmsg+0xee/0x170 [ 8273.976647][ T10] __sys_sendmsg+0xcd/0x170 [ 8273.976647][ T10] do_syscall_64+0xc6/0x1e0 [ 8273.976647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8273.976647][ T10] [ 8273.978640][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8273.978640][ T10] netdev_get_by_index+0x5e/0x80 [ 8273.978640][ T10] fib6_nh_init+0x3d8/0x1580 [ 8273.978640][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8273.978640][ T10] ip6_route_add+0x1c/0x140 [ 8273.978640][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8273.978640][ T10] addrconf_add_dev+0xe2/0x170 [ 8273.978640][ T10] inet6_addr_add+0x12f/0xa40 [ 8273.978640][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8273.978640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8273.978640][ T10] netlink_rcv_skb+0x130/0x360 [ 8273.978640][ T10] netlink_unicast+0x449/0x710 [ 8273.978640][ T10] netlink_sendmsg+0x723/0xbe0 [ 8273.978640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8273.978640][ T10] ___sys_sendmsg+0xee/0x170 [ 8273.978640][ T10] __sys_sendmsg+0xcd/0x170 [ 8273.978640][ T10] do_syscall_64+0xc6/0x1e0 [ 8273.978640][ T10] [ 8273.980736][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8273.980736][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8273.980736][ T10] ipv6_find_idev+0x102/0x170 [ 8273.980736][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8273.980736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8273.980736][ T10] netlink_rcv_skb+0x130/0x360 [ 8273.980736][ T10] netlink_unicast+0x449/0x710 [ 8273.980736][ T10] netlink_sendmsg+0x723/0xbe0 [ 8273.980736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8273.980736][ T10] ___sys_sendmsg+0xee/0x170 [ 8273.980736][ T10] __sys_sendmsg+0xcd/0x170 [ 8273.980736][ T10] do_syscall_64+0xc6/0x1e0 [ 8273.980736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8273.980736][ T10] [ 8273.982332][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8273.982332][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8273.982332][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8273.982332][ T10] ipv6_find_idev+0x102/0x170 [ 8273.982332][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8273.982332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8273.982332][ T10] netlink_rcv_skb+0x130/0x360 [ 8273.982332][ T10] netlink_unicast+0x449/0x710 [ 8273.982332][ T10] netlink_sendmsg+0x723/0xbe0 [ 8273.982332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8273.982332][ T10] ___sys_sendmsg+0xee/0x170 [ 8273.982332][ T10] __sys_sendmsg+0xcd/0x170 [ 8273.982332][ T10] do_syscall_64+0xc6/0x1e0 [ 8273.982332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8273.982332][ T10] [ 8273.984068][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8273.984310][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8273.984310][ T10] netdev_get_by_index+0x5e/0x80 [ 8273.984310][ T10] fib6_nh_init+0x3d8/0x1580 [ 8273.984310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8273.984310][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8273.984310][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8273.984310][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8273.984310][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8273.984310][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8273.984310][ T10] addrconf_dad_begin+0x310/0x670 [ 8273.984310][ T10] addrconf_dad_work+0x10b/0xab0 [ 8273.984310][ T10] process_one_work+0x84d/0x18a0 [ 8273.984310][ T10] worker_thread+0x587/0xd30 [ 8273.984310][ T10] kthread+0x28a/0x350 [ 8273.984310][ T10] ret_from_fork+0x31/0x70 [ 8273.984310][ T10] ret_from_fork_asm+0x1a/0x30 [ 8273.984310][ T10] [ 8273.986295][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8273.986295][ T10] netdev_get_by_index+0x5e/0x80 [ 8273.986295][ T10] fib6_nh_init+0x3d8/0x1580 [ 8273.986295][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8273.986295][ T10] ip6_route_add+0x1c/0x140 [ 8273.986295][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8273.986295][ T10] inet6_addr_add+0x4f8/0xa40 [ 8273.986295][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8273.986295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8273.986295][ T10] netlink_rcv_skb+0x130/0x360 [ 8273.986295][ T10] netlink_unicast+0x449/0x710 [ 8273.986295][ T10] netlink_sendmsg+0x723/0xbe0 [ 8273.986295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8273.986295][ T10] ___sys_sendmsg+0xee/0x170 [ 8273.986295][ T10] __sys_sendmsg+0xcd/0x170 [ 8273.986295][ T10] do_syscall_64+0xc6/0x1e0 [ 8273.986295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8273.986295][ T10] [ 8273.988674][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8273.988674][ T10] netdev_get_by_index+0x5e/0x80 [ 8273.988674][ T10] fib6_nh_init+0x3d8/0x1580 [ 8273.988674][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8273.988674][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8273.988674][ T10] ipv6_add_addr+0x411/0x2000 [ 8273.988674][ T10] inet6_addr_add+0x30e/0xa40 [ 8273.988674][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8273.988674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8273.988674][ T10] netlink_rcv_skb+0x130/0x360 [ 8273.988674][ T10] netlink_unicast+0x449/0x710 [ 8273.988674][ T10] netlink_sendmsg+0x723/0xbe0 [ 8273.988674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8273.988674][ T10] ___sys_sendmsg+0xee/0x170 [ 8273.988674][ T10] __sys_sendmsg+0xcd/0x170 [ 8273.988674][ T10] do_syscall_64+0xc6/0x1e0 [ 8273.988674][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8273.988674][ T10] [ 8273.990927][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8273.990927][ T10] netdev_get_by_index+0x5e/0x80 [ 8273.990927][ T10] fib6_nh_init+0x3d8/0x1580 [ 8273.990927][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8273.990927][ T10] ip6_route_add+0x1c/0x140 [ 8273.990927][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8273.990927][ T10] addrconf_add_dev+0xe2/0x170 [ 8273.990927][ T10] inet6_addr_add+0x12f/0xa40 [ 8273.990927][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8273.990927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8273.990927][ T10] netlink_rcv_skb+0x130/0x360 [ 8273.990927][ T10] netlink_unicast+0x449/0x710 [ 8273.990927][ T10] netlink_sendmsg+0x723/0xbe0 [ 8273.990927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8273.990927][ T10] ___sys_sendmsg+0xee/0x170 [ 8273.990927][ T10] __sys_sendmsg+0xcd/0x170 [ 8273.990927][ T10] do_syscall_64+0xc6/0x1e0 [ 8273.990927][ T10] [ 8273.993197][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8273.993197][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8273.993197][ T10] ipv6_find_idev+0x102/0x170 [ 8273.993197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8273.993197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8273.993197][ T10] netlink_rcv_skb+0x130/0x360 [ 8273.993197][ T10] netlink_unicast+0x449/0x710 [ 8273.993197][ T10] netlink_sendmsg+0x723/0xbe0 [ 8273.993197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8273.993197][ T10] ___sys_sendmsg+0xee/0x170 [ 8273.993197][ T10] __sys_sendmsg+0xcd/0x170 [ 8273.993197][ T10] do_syscall_64+0xc6/0x1e0 [ 8273.993197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8273.993197][ T10] [ 8273.994971][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8273.994971][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8273.994971][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8273.994971][ T10] ipv6_find_idev+0x102/0x170 [ 8273.994971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8273.994971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8273.994971][ T10] netlink_rcv_skb+0x130/0x360 [ 8273.994971][ T10] netlink_unicast+0x449/0x710 [ 8273.994971][ T10] netlink_sendmsg+0x723/0xbe0 [ 8273.994971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8273.994971][ T10] ___sys_sendmsg+0xee/0x170 [ 8273.994971][ T10] __sys_sendmsg+0xcd/0x170 [ 8273.994971][ T10] do_syscall_64+0xc6/0x1e0 [ 8273.994971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8273.994971][ T10] [ 8273.996955][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8273.997220][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8273.997220][ T10] netdev_get_by_index+0x5e/0x80 [ 8273.997220][ T10] fib6_nh_init+0x3d8/0x1580 [ 8273.997220][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8273.997220][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8273.997220][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8273.997220][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8273.997220][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8273.997220][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8273.997220][ T10] addrconf_dad_begin+0x310/0x670 [ 8273.997220][ T10] addrconf_dad_work+0x10b/0xab0 [ 8273.997220][ T10] process_one_work+0x84d/0x18a0 [ 8273.997220][ T10] worker_thread+0x587/0xd30 [ 8273.997220][ T10] kthread+0x28a/0x350 [ 8273.997220][ T10] ret_from_fork+0x31/0x70 [ 8273.997220][ T10] ret_from_fork_asm+0x1a/0x30 [ 8273.997220][ T10] [ 8273.999466][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8273.999466][ T10] netdev_get_by_index+0x5e/0x80 [ 8273.999466][ T10] fib6_nh_init+0x3d8/0x1580 [ 8273.999466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8273.999466][ T10] ip6_route_add+0x1c/0x140 [ 8273.999466][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8273.999466][ T10] inet6_addr_add+0x4f8/0xa40 [ 8273.999466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8273.999466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8273.999466][ T10] netlink_rcv_skb+0x130/0x360 [ 8273.999466][ T10] netlink_unicast+0x449/0x710 [ 8273.999466][ T10] netlink_sendmsg+0x723/0xbe0 [ 8273.999466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8273.999466][ T10] ___sys_sendmsg+0xee/0x170 [ 8273.999466][ T10] __sys_sendmsg+0xcd/0x170 [ 8273.999466][ T10] do_syscall_64+0xc6/0x1e0 [ 8273.999466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8273.999466][ T10] [ 8274.001769][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8274.001769][ T10] netdev_get_by_index+0x5e/0x80 [ 8274.001769][ T10] fib6_nh_init+0x3d8/0x1580 [ 8274.001769][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8274.001769][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8274.001769][ T10] ipv6_add_addr+0x411/0x2000 [ 8274.001769][ T10] inet6_addr_add+0x30e/0xa40 [ 8274.001769][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8274.001769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8274.001769][ T10] netlink_rcv_skb+0x130/0x360 [ 8274.001769][ T10] netlink_unicast+0x449/0x710 [ 8274.001769][ T10] netlink_sendmsg+0x723/0xbe0 [ 8274.001769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8274.001769][ T10] ___sys_sendmsg+0xee/0x170 [ 8274.001769][ T10] __sys_sendmsg+0xcd/0x170 [ 8274.001769][ T10] do_syscall_64+0xc6/0x1e0 [ 8274.001769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8274.001769][ T10] [ 8274.004103][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8274.004103][ T10] netdev_get_by_index+0x5e/0x80 [ 8274.004103][ T10] fib6_nh_init+0x3d8/0x1580 [ 8274.004103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8274.004103][ T10] ip6_route_add+0x1c/0x140 [ 8274.004103][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8274.004103][ T10] addrconf_add_dev+0xe2/0x170 [ 8274.004103][ T10] inet6_addr_add+0x12f/0xa40 [ 8274.004103][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8274.004103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8274.004103][ T10] netlink_rcv_skb+0x130/0x360 [ 8274.004103][ T10] netlink_unicast+0x449/0x710 [ 8274.004103][ T10] netlink_sendmsg+0x723/0xbe0 [ 8274.004103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8274.004103][ T10] ___sys_sendmsg+0xee/0x170 [ 8274.004103][ T10] __sys_sendmsg+0xcd/0x170 [ 8274.004103][ T10] do_syscall_64+0xc6/0x1e0 [ 8274.004103][ T10] [ 8274.006372][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8274.006372][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8274.006372][ T10] ipv6_find_idev+0x102/0x170 [ 8274.006372][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8274.006372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8274.006372][ T10] netlink_rcv_skb+0x130/0x360 [ 8274.006372][ T10] netlink_unicast+0x449/0x710 [ 8274.006372][ T10] netlink_sendmsg+0x723/0xbe0 [ 8274.006372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8274.006372][ T10] ___sys_sendmsg+0xee/0x170 [ 8274.006372][ T10] __sys_sendmsg+0xcd/0x170 [ 8274.006372][ T10] do_syscall_64+0xc6/0x1e0 [ 8274.006372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8274.006372][ T10] [ 8274.008202][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8274.008202][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8274.008202][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8274.008202][ T10] ipv6_find_idev+0x102/0x170 [ 8274.008202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8274.008202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8274.008202][ T10] netlink_rcv_skb+0x130/0x360 [ 8274.008202][ T10] netlink_unicast+0x449/0x710 [ 8274.008202][ T10] netlink_sendmsg+0x723/0xbe0 [ 8274.008202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8274.008202][ T10] ___sys_sendmsg+0xee/0x170 [ 8274.008202][ T10] __sys_sendmsg+0xcd/0x170 [ 8274.008202][ T10] do_syscall_64+0xc6/0x1e0 [ 8274.008202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8274.008202][ T10] [ 8274.433111][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8274.433580][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8274.433580][ T1167] dst_init+0x84/0x4a0 [ 8274.433580][ T1167] dst_alloc+0x97/0x150 [ 8274.433580][ T1167] ip6_dst_alloc+0x23/0x90 [ 8274.433580][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8274.433580][ T1167] ip6_pol_route+0x56f/0x840 [ 8274.433580][ T1167] fib6_rule_lookup+0x334/0x630 [ 8274.433580][ T1167] ip6_route_output_flags+0x259/0x480 [ 8274.433580][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8274.433580][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8274.433580][ T1167] netlink_rcv_skb+0x130/0x360 [ 8274.433580][ T1167] netlink_unicast+0x449/0x710 [ 8274.433580][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8274.433580][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8274.433580][ T1167] ___sys_sendmsg+0xee/0x170 [ 8274.433580][ T1167] __sys_sendmsg+0xcd/0x170 [ 8274.433580][ T1167] do_syscall_64+0xc6/0x1e0 [ 8274.433580][ T1167] [ 8274.435888][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8274.435888][ T1167] netdev_get_by_index+0x5e/0x80 [ 8274.435888][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8274.435888][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8274.435888][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8274.435888][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8274.435888][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8274.435888][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8274.435888][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8274.435888][ T1167] addrconf_dad_begin+0x310/0x670 [ 8274.435888][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8274.435888][ T1167] process_one_work+0x84d/0x18a0 [ 8274.435888][ T1167] worker_thread+0x587/0xd30 [ 8274.435888][ T1167] kthread+0x28a/0x350 [ 8274.435888][ T1167] ret_from_fork+0x31/0x70 [ 8274.435888][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8274.435888][ T1167] [ 8274.438129][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8274.438129][ T1167] netdev_get_by_index+0x5e/0x80 [ 8274.438129][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8274.438129][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8274.438129][ T1167] ip6_route_add+0x1c/0x140 [ 8274.438129][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8274.438129][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8274.438129][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8274.438129][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8274.438129][ T1167] netlink_rcv_skb+0x130/0x360 [ 8274.438129][ T1167] netlink_unicast+0x449/0x710 [ 8274.438129][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8274.438129][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8274.438129][ T1167] ___sys_sendmsg+0xee/0x170 [ 8274.438129][ T1167] __sys_sendmsg+0xcd/0x170 [ 8274.438129][ T1167] do_syscall_64+0xc6/0x1e0 [ 8274.438129][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8274.438129][ T1167] [ 8274.440497][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8274.440497][ T1167] netdev_get_by_index+0x5e/0x80 [ 8274.440497][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8274.440497][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8274.440497][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8274.440497][ T1167] ipv6_add_addr+0x411/0x2000 [ 8274.440497][ T1167] inet6_addr_add+0x30e/0xa40 [ 8274.440497][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8274.440497][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8274.440497][ T1167] netlink_rcv_skb+0x130/0x360 [ 8274.440497][ T1167] netlink_unicast+0x449/0x710 [ 8274.440497][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8274.440497][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8274.440497][ T1167] ___sys_sendmsg+0xee/0x170 [ 8274.440497][ T1167] __sys_sendmsg+0xcd/0x170 [ 8274.440497][ T1167] do_syscall_64+0xc6/0x1e0 [ 8274.440497][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8274.440497][ T1167] [ 8274.442851][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8274.442851][ T1167] netdev_get_by_index+0x5e/0x80 [ 8274.442851][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8274.442851][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8274.442851][ T1167] ip6_route_add+0x1c/0x140 [ 8274.442851][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8274.442851][ T1167] addrconf_add_dev+0xe2/0x170 [ 8274.442851][ T1167] inet6_addr_add+0x12f/0xa40 [ 8274.442851][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8274.442851][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8274.442851][ T1167] netlink_rcv_skb+0x130/0x360 [ 8274.442851][ T1167] netlink_unicast+0x449/0x710 [ 8274.442851][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8274.442851][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8274.442851][ T1167] ___sys_sendmsg+0xee/0x170 [ 8274.442851][ T1167] __sys_sendmsg+0xcd/0x170 [ 8274.442851][ T1167] do_syscall_64+0xc6/0x1e0 [ 8274.442851][ T1167] [ 8274.445163][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8274.445163][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8274.445163][ T1167] ipv6_find_idev+0x102/0x170 [ 8274.445163][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8274.445163][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8274.445163][ T1167] netlink_rcv_skb+0x130/0x360 [ 8274.445163][ T1167] netlink_unicast+0x449/0x710 [ 8274.445163][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8274.445163][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8274.445163][ T1167] ___sys_sendmsg+0xee/0x170 [ 8274.445163][ T1167] __sys_sendmsg+0xcd/0x170 [ 8274.445163][ T1167] do_syscall_64+0xc6/0x1e0 [ 8274.445163][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8274.445163][ T1167] [ 8274.446971][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8274.446971][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8274.446971][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8274.446971][ T1167] ipv6_find_idev+0x102/0x170 [ 8274.446971][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8274.446971][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8274.446971][ T1167] netlink_rcv_skb+0x130/0x360 [ 8274.446971][ T1167] netlink_unicast+0x449/0x710 [ 8274.446971][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8274.446971][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8274.446971][ T1167] ___sys_sendmsg+0xee/0x170 [ 8274.446971][ T1167] __sys_sendmsg+0xcd/0x170 [ 8274.446971][ T1167] do_syscall_64+0xc6/0x1e0 [ 8274.446971][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8274.446971][ T1167] [ 8284.025114][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8284.025540][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8284.025540][ T10] netdev_get_by_index+0x5e/0x80 [ 8284.025540][ T10] fib6_nh_init+0x3d8/0x1580 [ 8284.025540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8284.025540][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8284.025540][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8284.025540][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8284.025540][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8284.025540][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8284.025540][ T10] addrconf_dad_begin+0x310/0x670 [ 8284.025540][ T10] addrconf_dad_work+0x10b/0xab0 [ 8284.025540][ T10] process_one_work+0x84d/0x18a0 [ 8284.025540][ T10] worker_thread+0x587/0xd30 [ 8284.025540][ T10] kthread+0x28a/0x350 [ 8284.025540][ T10] ret_from_fork+0x31/0x70 [ 8284.025540][ T10] ret_from_fork_asm+0x1a/0x30 [ 8284.025540][ T10] [ 8284.027557][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8284.027557][ T10] netdev_get_by_index+0x5e/0x80 [ 8284.027557][ T10] fib6_nh_init+0x3d8/0x1580 [ 8284.027557][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8284.027557][ T10] ip6_route_add+0x1c/0x140 [ 8284.027557][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8284.027557][ T10] inet6_addr_add+0x4f8/0xa40 [ 8284.027557][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8284.027557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8284.027557][ T10] netlink_rcv_skb+0x130/0x360 [ 8284.027557][ T10] netlink_unicast+0x449/0x710 [ 8284.027557][ T10] netlink_sendmsg+0x723/0xbe0 [ 8284.027557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8284.027557][ T10] ___sys_sendmsg+0xee/0x170 [ 8284.027557][ T10] __sys_sendmsg+0xcd/0x170 [ 8284.027557][ T10] do_syscall_64+0xc6/0x1e0 [ 8284.027557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8284.027557][ T10] [ 8284.029638][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8284.029638][ T10] netdev_get_by_index+0x5e/0x80 [ 8284.029638][ T10] fib6_nh_init+0x3d8/0x1580 [ 8284.029638][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8284.029638][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8284.029638][ T10] ipv6_add_addr+0x411/0x2000 [ 8284.029638][ T10] inet6_addr_add+0x30e/0xa40 [ 8284.029638][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8284.029638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8284.029638][ T10] netlink_rcv_skb+0x130/0x360 [ 8284.029638][ T10] netlink_unicast+0x449/0x710 [ 8284.029638][ T10] netlink_sendmsg+0x723/0xbe0 [ 8284.029638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8284.029638][ T10] ___sys_sendmsg+0xee/0x170 [ 8284.029638][ T10] __sys_sendmsg+0xcd/0x170 [ 8284.029638][ T10] do_syscall_64+0xc6/0x1e0 [ 8284.029638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8284.029638][ T10] [ 8284.031717][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8284.031717][ T10] netdev_get_by_index+0x5e/0x80 [ 8284.031717][ T10] fib6_nh_init+0x3d8/0x1580 [ 8284.031717][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8284.031717][ T10] ip6_route_add+0x1c/0x140 [ 8284.031717][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8284.031717][ T10] addrconf_add_dev+0xe2/0x170 [ 8284.031717][ T10] inet6_addr_add+0x12f/0xa40 [ 8284.031717][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8284.031717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8284.031717][ T10] netlink_rcv_skb+0x130/0x360 [ 8284.031717][ T10] netlink_unicast+0x449/0x710 [ 8284.031717][ T10] netlink_sendmsg+0x723/0xbe0 [ 8284.031717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8284.031717][ T10] ___sys_sendmsg+0xee/0x170 [ 8284.031717][ T10] __sys_sendmsg+0xcd/0x170 [ 8284.031717][ T10] do_syscall_64+0xc6/0x1e0 [ 8284.031717][ T10] [ 8284.033760][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8284.033760][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8284.033760][ T10] ipv6_find_idev+0x102/0x170 [ 8284.033760][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8284.033760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8284.033760][ T10] netlink_rcv_skb+0x130/0x360 [ 8284.033760][ T10] netlink_unicast+0x449/0x710 [ 8284.033760][ T10] netlink_sendmsg+0x723/0xbe0 [ 8284.033760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8284.033760][ T10] ___sys_sendmsg+0xee/0x170 [ 8284.033760][ T10] __sys_sendmsg+0xcd/0x170 [ 8284.033760][ T10] do_syscall_64+0xc6/0x1e0 [ 8284.033760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8284.033760][ T10] [ 8284.035356][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8284.035356][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8284.035356][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8284.035356][ T10] ipv6_find_idev+0x102/0x170 [ 8284.035356][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8284.035356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8284.035356][ T10] netlink_rcv_skb+0x130/0x360 [ 8284.035356][ T10] netlink_unicast+0x449/0x710 [ 8284.035356][ T10] netlink_sendmsg+0x723/0xbe0 [ 8284.035356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8284.035356][ T10] ___sys_sendmsg+0xee/0x170 [ 8284.035356][ T10] __sys_sendmsg+0xcd/0x170 [ 8284.035356][ T10] do_syscall_64+0xc6/0x1e0 [ 8284.035356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8284.035356][ T10] [ 8284.037110][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8284.037360][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8284.037360][ T10] netdev_get_by_index+0x5e/0x80 [ 8284.037360][ T10] fib6_nh_init+0x3d8/0x1580 [ 8284.037360][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8284.037360][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8284.037360][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8284.037360][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8284.037360][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8284.037360][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8284.037360][ T10] addrconf_dad_begin+0x310/0x670 [ 8284.037360][ T10] addrconf_dad_work+0x10b/0xab0 [ 8284.037360][ T10] process_one_work+0x84d/0x18a0 [ 8284.037360][ T10] worker_thread+0x587/0xd30 [ 8284.037360][ T10] kthread+0x28a/0x350 [ 8284.037360][ T10] ret_from_fork+0x31/0x70 [ 8284.037360][ T10] ret_from_fork_asm+0x1a/0x30 [ 8284.037360][ T10] [ 8284.039345][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8284.039345][ T10] netdev_get_by_index+0x5e/0x80 [ 8284.039345][ T10] fib6_nh_init+0x3d8/0x1580 [ 8284.039345][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8284.039345][ T10] ip6_route_add+0x1c/0x140 [ 8284.039345][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8284.039345][ T10] inet6_addr_add+0x4f8/0xa40 [ 8284.039345][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8284.039345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8284.039345][ T10] netlink_rcv_skb+0x130/0x360 [ 8284.039345][ T10] netlink_unicast+0x449/0x710 [ 8284.039345][ T10] netlink_sendmsg+0x723/0xbe0 [ 8284.039345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8284.039345][ T10] ___sys_sendmsg+0xee/0x170 [ 8284.039345][ T10] __sys_sendmsg+0xcd/0x170 [ 8284.039345][ T10] do_syscall_64+0xc6/0x1e0 [ 8284.039345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8284.039345][ T10] [ 8284.041428][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8284.041428][ T10] netdev_get_by_index+0x5e/0x80 [ 8284.041428][ T10] fib6_nh_init+0x3d8/0x1580 [ 8284.041428][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8284.041428][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8284.041428][ T10] ipv6_add_addr+0x411/0x2000 [ 8284.041428][ T10] inet6_addr_add+0x30e/0xa40 [ 8284.041428][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8284.041428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8284.041428][ T10] netlink_rcv_skb+0x130/0x360 [ 8284.041428][ T10] netlink_unicast+0x449/0x710 [ 8284.041428][ T10] netlink_sendmsg+0x723/0xbe0 [ 8284.041428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8284.041428][ T10] ___sys_sendmsg+0xee/0x170 [ 8284.041428][ T10] __sys_sendmsg+0xcd/0x170 [ 8284.041428][ T10] do_syscall_64+0xc6/0x1e0 [ 8284.041428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8284.041428][ T10] [ 8284.043504][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8284.043504][ T10] netdev_get_by_index+0x5e/0x80 [ 8284.043504][ T10] fib6_nh_init+0x3d8/0x1580 [ 8284.043504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8284.043504][ T10] ip6_route_add+0x1c/0x140 [ 8284.043504][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8284.043504][ T10] addrconf_add_dev+0xe2/0x170 [ 8284.043504][ T10] inet6_addr_add+0x12f/0xa40 [ 8284.043504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8284.043504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8284.043504][ T10] netlink_rcv_skb+0x130/0x360 [ 8284.043504][ T10] netlink_unicast+0x449/0x710 [ 8284.043504][ T10] netlink_sendmsg+0x723/0xbe0 [ 8284.043504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8284.043504][ T10] ___sys_sendmsg+0xee/0x170 [ 8284.043504][ T10] __sys_sendmsg+0xcd/0x170 [ 8284.043504][ T10] do_syscall_64+0xc6/0x1e0 [ 8284.043504][ T10] [ 8284.045541][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8284.045541][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8284.045541][ T10] ipv6_find_idev+0x102/0x170 [ 8284.045541][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8284.045541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8284.045541][ T10] netlink_rcv_skb+0x130/0x360 [ 8284.045541][ T10] netlink_unicast+0x449/0x710 [ 8284.045541][ T10] netlink_sendmsg+0x723/0xbe0 [ 8284.045541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8284.045541][ T10] ___sys_sendmsg+0xee/0x170 [ 8284.045541][ T10] __sys_sendmsg+0xcd/0x170 [ 8284.045541][ T10] do_syscall_64+0xc6/0x1e0 [ 8284.045541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8284.045541][ T10] [ 8284.047136][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8284.047136][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8284.047136][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8284.047136][ T10] ipv6_find_idev+0x102/0x170 [ 8284.047136][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8284.047136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8284.047136][ T10] netlink_rcv_skb+0x130/0x360 [ 8284.047136][ T10] netlink_unicast+0x449/0x710 [ 8284.047136][ T10] netlink_sendmsg+0x723/0xbe0 [ 8284.047136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8284.047136][ T10] ___sys_sendmsg+0xee/0x170 [ 8284.047136][ T10] __sys_sendmsg+0xcd/0x170 [ 8284.047136][ T10] do_syscall_64+0xc6/0x1e0 [ 8284.047136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8284.047136][ T10] [ 8284.048881][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8284.049140][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8284.049140][ T10] netdev_get_by_index+0x5e/0x80 [ 8284.049140][ T10] fib6_nh_init+0x3d8/0x1580 [ 8284.049140][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8284.049140][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8284.049140][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8284.049140][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8284.049140][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8284.049140][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8284.049140][ T10] addrconf_dad_begin+0x310/0x670 [ 8284.049140][ T10] addrconf_dad_work+0x10b/0xab0 [ 8284.049140][ T10] process_one_work+0x84d/0x18a0 [ 8284.049140][ T10] worker_thread+0x587/0xd30 [ 8284.049140][ T10] kthread+0x28a/0x350 [ 8284.049140][ T10] ret_from_fork+0x31/0x70 [ 8284.049140][ T10] ret_from_fork_asm+0x1a/0x30 [ 8284.049140][ T10] [ 8284.051134][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8284.051134][ T10] netdev_get_by_index+0x5e/0x80 [ 8284.051134][ T10] fib6_nh_init+0x3d8/0x1580 [ 8284.051134][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8284.051134][ T10] ip6_route_add+0x1c/0x140 [ 8284.051134][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8284.051134][ T10] inet6_addr_add+0x4f8/0xa40 [ 8284.051134][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8284.051134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8284.051134][ T10] netlink_rcv_skb+0x130/0x360 [ 8284.051134][ T10] netlink_unicast+0x449/0x710 [ 8284.051134][ T10] netlink_sendmsg+0x723/0xbe0 [ 8284.051134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8284.051134][ T10] ___sys_sendmsg+0xee/0x170 [ 8284.051134][ T10] __sys_sendmsg+0xcd/0x170 [ 8284.051134][ T10] do_syscall_64+0xc6/0x1e0 [ 8284.051134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8284.051134][ T10] [ 8284.053448][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8284.053448][ T10] netdev_get_by_index+0x5e/0x80 [ 8284.053448][ T10] fib6_nh_init+0x3d8/0x1580 [ 8284.053448][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8284.053448][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8284.053448][ T10] ipv6_add_addr+0x411/0x2000 [ 8284.053448][ T10] inet6_addr_add+0x30e/0xa40 [ 8284.053448][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8284.053448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8284.053448][ T10] netlink_rcv_skb+0x130/0x360 [ 8284.053448][ T10] netlink_unicast+0x449/0x710 [ 8284.053448][ T10] netlink_sendmsg+0x723/0xbe0 [ 8284.053448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8284.053448][ T10] ___sys_sendmsg+0xee/0x170 [ 8284.053448][ T10] __sys_sendmsg+0xcd/0x170 [ 8284.053448][ T10] do_syscall_64+0xc6/0x1e0 [ 8284.053448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8284.053448][ T10] [ 8284.055695][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8284.055695][ T10] netdev_get_by_index+0x5e/0x80 [ 8284.055695][ T10] fib6_nh_init+0x3d8/0x1580 [ 8284.055695][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8284.055695][ T10] ip6_route_add+0x1c/0x140 [ 8284.055695][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8284.055695][ T10] addrconf_add_dev+0xe2/0x170 [ 8284.055695][ T10] inet6_addr_add+0x12f/0xa40 [ 8284.055695][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8284.055695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8284.055695][ T10] netlink_rcv_skb+0x130/0x360 [ 8284.055695][ T10] netlink_unicast+0x449/0x710 [ 8284.055695][ T10] netlink_sendmsg+0x723/0xbe0 [ 8284.055695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8284.055695][ T10] ___sys_sendmsg+0xee/0x170 [ 8284.055695][ T10] __sys_sendmsg+0xcd/0x170 [ 8284.055695][ T10] do_syscall_64+0xc6/0x1e0 [ 8284.055695][ T10] [ 8284.057968][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8284.057968][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8284.057968][ T10] ipv6_find_idev+0x102/0x170 [ 8284.057968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8284.057968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8284.057968][ T10] netlink_rcv_skb+0x130/0x360 [ 8284.057968][ T10] netlink_unicast+0x449/0x710 [ 8284.057968][ T10] netlink_sendmsg+0x723/0xbe0 [ 8284.057968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8284.057968][ T10] ___sys_sendmsg+0xee/0x170 [ 8284.057968][ T10] __sys_sendmsg+0xcd/0x170 [ 8284.057968][ T10] do_syscall_64+0xc6/0x1e0 [ 8284.057968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8284.057968][ T10] [ 8284.059749][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8284.059749][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8284.059749][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8284.059749][ T10] ipv6_find_idev+0x102/0x170 [ 8284.059749][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8284.059749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8284.059749][ T10] netlink_rcv_skb+0x130/0x360 [ 8284.059749][ T10] netlink_unicast+0x449/0x710 [ 8284.059749][ T10] netlink_sendmsg+0x723/0xbe0 [ 8284.059749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8284.059749][ T10] ___sys_sendmsg+0xee/0x170 [ 8284.059749][ T10] __sys_sendmsg+0xcd/0x170 [ 8284.059749][ T10] do_syscall_64+0xc6/0x1e0 [ 8284.059749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8284.059749][ T10] [ 8284.061802][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8284.062485][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8284.062485][ T10] netdev_get_by_index+0x5e/0x80 [ 8284.062485][ T10] fib6_nh_init+0x3d8/0x1580 [ 8284.062485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8284.062485][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8284.062485][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8284.062485][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8284.062485][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8284.062485][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8284.062485][ T10] addrconf_dad_begin+0x310/0x670 [ 8284.062485][ T10] addrconf_dad_work+0x10b/0xab0 [ 8284.062485][ T10] process_one_work+0x84d/0x18a0 [ 8284.062485][ T10] worker_thread+0x587/0xd30 [ 8284.062485][ T10] kthread+0x28a/0x350 [ 8284.062485][ T10] ret_from_fork+0x31/0x70 [ 8284.062485][ T10] ret_from_fork_asm+0x1a/0x30 [ 8284.062485][ T10] [ 8284.064463][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8284.064463][ T10] netdev_get_by_index+0x5e/0x80 [ 8284.064463][ T10] fib6_nh_init+0x3d8/0x1580 [ 8284.064463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8284.064463][ T10] ip6_route_add+0x1c/0x140 [ 8284.064463][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8284.064463][ T10] inet6_addr_add+0x4f8/0xa40 [ 8284.064463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8284.064463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8284.064463][ T10] netlink_rcv_skb+0x130/0x360 [ 8284.064463][ T10] netlink_unicast+0x449/0x710 [ 8284.064463][ T10] netlink_sendmsg+0x723/0xbe0 [ 8284.064463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8284.064463][ T10] ___sys_sendmsg+0xee/0x170 [ 8284.064463][ T10] __sys_sendmsg+0xcd/0x170 [ 8284.064463][ T10] do_syscall_64+0xc6/0x1e0 [ 8284.064463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8284.064463][ T10] [ 8284.066600][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8284.066600][ T10] netdev_get_by_index+0x5e/0x80 [ 8284.066600][ T10] fib6_nh_init+0x3d8/0x1580 [ 8284.066600][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8284.066600][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8284.066600][ T10] ipv6_add_addr+0x411/0x2000 [ 8284.066600][ T10] inet6_addr_add+0x30e/0xa40 [ 8284.066600][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8284.066600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8284.066600][ T10] netlink_rcv_skb+0x130/0x360 [ 8284.066600][ T10] netlink_unicast+0x449/0x710 [ 8284.066600][ T10] netlink_sendmsg+0x723/0xbe0 [ 8284.066600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8284.066600][ T10] ___sys_sendmsg+0xee/0x170 [ 8284.066600][ T10] __sys_sendmsg+0xcd/0x170 [ 8284.066600][ T10] do_syscall_64+0xc6/0x1e0 [ 8284.066600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8284.066600][ T10] [ 8284.068910][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8284.068910][ T10] netdev_get_by_index+0x5e/0x80 [ 8284.068910][ T10] fib6_nh_init+0x3d8/0x1580 [ 8284.068910][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8284.068910][ T10] ip6_route_add+0x1c/0x140 [ 8284.068910][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8284.068910][ T10] addrconf_add_dev+0xe2/0x170 [ 8284.068910][ T10] inet6_addr_add+0x12f/0xa40 [ 8284.068910][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8284.068910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8284.068910][ T10] netlink_rcv_skb+0x130/0x360 [ 8284.068910][ T10] netlink_unicast+0x449/0x710 [ 8284.068910][ T10] netlink_sendmsg+0x723/0xbe0 [ 8284.068910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8284.068910][ T10] ___sys_sendmsg+0xee/0x170 [ 8284.068910][ T10] __sys_sendmsg+0xcd/0x170 [ 8284.068910][ T10] do_syscall_64+0xc6/0x1e0 [ 8284.068910][ T10] [ 8284.071192][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8284.071192][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8284.071192][ T10] ipv6_find_idev+0x102/0x170 [ 8284.071192][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8284.071192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8284.071192][ T10] netlink_rcv_skb+0x130/0x360 [ 8284.071192][ T10] netlink_unicast+0x449/0x710 [ 8284.071192][ T10] netlink_sendmsg+0x723/0xbe0 [ 8284.071192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8284.071192][ T10] ___sys_sendmsg+0xee/0x170 [ 8284.071192][ T10] __sys_sendmsg+0xcd/0x170 [ 8284.071192][ T10] do_syscall_64+0xc6/0x1e0 [ 8284.071192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8284.071192][ T10] [ 8284.072967][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8284.072967][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8284.072967][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8284.072967][ T10] ipv6_find_idev+0x102/0x170 [ 8284.072967][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8284.072967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8284.072967][ T10] netlink_rcv_skb+0x130/0x360 [ 8284.072967][ T10] netlink_unicast+0x449/0x710 [ 8284.072967][ T10] netlink_sendmsg+0x723/0xbe0 [ 8284.072967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8284.072967][ T10] ___sys_sendmsg+0xee/0x170 [ 8284.072967][ T10] __sys_sendmsg+0xcd/0x170 [ 8284.072967][ T10] do_syscall_64+0xc6/0x1e0 [ 8284.072967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8284.072967][ T10] [ 8284.689129][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8284.689659][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8284.689659][ T1167] dst_init+0x84/0x4a0 [ 8284.689659][ T1167] dst_alloc+0x97/0x150 [ 8284.689659][ T1167] ip6_dst_alloc+0x23/0x90 [ 8284.689659][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8284.689659][ T1167] ip6_pol_route+0x56f/0x840 [ 8284.689659][ T1167] fib6_rule_lookup+0x334/0x630 [ 8284.689659][ T1167] ip6_route_output_flags+0x259/0x480 [ 8284.689659][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8284.689659][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8284.689659][ T1167] netlink_rcv_skb+0x130/0x360 [ 8284.689659][ T1167] netlink_unicast+0x449/0x710 [ 8284.689659][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8284.689659][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8284.689659][ T1167] ___sys_sendmsg+0xee/0x170 [ 8284.689659][ T1167] __sys_sendmsg+0xcd/0x170 [ 8284.689659][ T1167] do_syscall_64+0xc6/0x1e0 [ 8284.689659][ T1167] [ 8284.691974][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8284.691974][ T1167] netdev_get_by_index+0x5e/0x80 [ 8284.691974][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8284.691974][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8284.691974][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8284.691974][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8284.691974][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8284.691974][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8284.691974][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8284.691974][ T1167] addrconf_dad_begin+0x310/0x670 [ 8284.691974][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8284.691974][ T1167] process_one_work+0x84d/0x18a0 [ 8284.691974][ T1167] worker_thread+0x587/0xd30 [ 8284.691974][ T1167] kthread+0x28a/0x350 [ 8284.691974][ T1167] ret_from_fork+0x31/0x70 [ 8284.691974][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8284.691974][ T1167] [ 8284.694216][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8284.694216][ T1167] netdev_get_by_index+0x5e/0x80 [ 8284.694216][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8284.694216][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8284.694216][ T1167] ip6_route_add+0x1c/0x140 [ 8284.694216][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8284.694216][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8284.694216][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8284.694216][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8284.694216][ T1167] netlink_rcv_skb+0x130/0x360 [ 8284.694216][ T1167] netlink_unicast+0x449/0x710 [ 8284.694216][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8284.694216][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8284.694216][ T1167] ___sys_sendmsg+0xee/0x170 [ 8284.694216][ T1167] __sys_sendmsg+0xcd/0x170 [ 8284.694216][ T1167] do_syscall_64+0xc6/0x1e0 [ 8284.694216][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8284.694216][ T1167] [ 8284.696567][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8284.696567][ T1167] netdev_get_by_index+0x5e/0x80 [ 8284.696567][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8284.696567][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8284.696567][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8284.696567][ T1167] ipv6_add_addr+0x411/0x2000 [ 8284.696567][ T1167] inet6_addr_add+0x30e/0xa40 [ 8284.696567][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8284.696567][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8284.696567][ T1167] netlink_rcv_skb+0x130/0x360 [ 8284.696567][ T1167] netlink_unicast+0x449/0x710 [ 8284.696567][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8284.696567][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8284.696567][ T1167] ___sys_sendmsg+0xee/0x170 [ 8284.696567][ T1167] __sys_sendmsg+0xcd/0x170 [ 8284.696567][ T1167] do_syscall_64+0xc6/0x1e0 [ 8284.696567][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8284.696567][ T1167] [ 8284.698925][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8284.698925][ T1167] netdev_get_by_index+0x5e/0x80 [ 8284.698925][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8284.698925][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8284.698925][ T1167] ip6_route_add+0x1c/0x140 [ 8284.698925][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8284.698925][ T1167] addrconf_add_dev+0xe2/0x170 [ 8284.698925][ T1167] inet6_addr_add+0x12f/0xa40 [ 8284.698925][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8284.698925][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8284.698925][ T1167] netlink_rcv_skb+0x130/0x360 [ 8284.698925][ T1167] netlink_unicast+0x449/0x710 [ 8284.698925][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8284.698925][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8284.698925][ T1167] ___sys_sendmsg+0xee/0x170 [ 8284.698925][ T1167] __sys_sendmsg+0xcd/0x170 [ 8284.698925][ T1167] do_syscall_64+0xc6/0x1e0 [ 8284.698925][ T1167] [ 8284.701247][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8284.701247][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8284.701247][ T1167] ipv6_find_idev+0x102/0x170 [ 8284.701247][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8284.701247][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8284.701247][ T1167] netlink_rcv_skb+0x130/0x360 [ 8284.701247][ T1167] netlink_unicast+0x449/0x710 [ 8284.701247][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8284.701247][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8284.701247][ T1167] ___sys_sendmsg+0xee/0x170 [ 8284.701247][ T1167] __sys_sendmsg+0xcd/0x170 [ 8284.701247][ T1167] do_syscall_64+0xc6/0x1e0 [ 8284.701247][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8284.701247][ T1167] [ 8284.703068][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8284.703068][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8284.703068][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8284.703068][ T1167] ipv6_find_idev+0x102/0x170 [ 8284.703068][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8284.703068][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8284.703068][ T1167] netlink_rcv_skb+0x130/0x360 [ 8284.703068][ T1167] netlink_unicast+0x449/0x710 [ 8284.703068][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8284.703068][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8284.703068][ T1167] ___sys_sendmsg+0xee/0x170 [ 8284.703068][ T1167] __sys_sendmsg+0xcd/0x170 [ 8284.703068][ T1167] do_syscall_64+0xc6/0x1e0 [ 8284.703068][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8284.703068][ T1167] [ 8294.345219][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8294.345604][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8294.345604][ T10] netdev_get_by_index+0x5e/0x80 [ 8294.345604][ T10] fib6_nh_init+0x3d8/0x1580 [ 8294.345604][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8294.345604][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8294.345604][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8294.345604][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8294.345604][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8294.345604][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8294.345604][ T10] addrconf_dad_begin+0x310/0x670 [ 8294.345604][ T10] addrconf_dad_work+0x10b/0xab0 [ 8294.345604][ T10] process_one_work+0x84d/0x18a0 [ 8294.345604][ T10] worker_thread+0x587/0xd30 [ 8294.345604][ T10] kthread+0x28a/0x350 [ 8294.345604][ T10] ret_from_fork+0x31/0x70 [ 8294.345604][ T10] ret_from_fork_asm+0x1a/0x30 [ 8294.345604][ T10] [ 8294.347621][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8294.347621][ T10] netdev_get_by_index+0x5e/0x80 [ 8294.347621][ T10] fib6_nh_init+0x3d8/0x1580 [ 8294.347621][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8294.347621][ T10] ip6_route_add+0x1c/0x140 [ 8294.347621][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8294.347621][ T10] inet6_addr_add+0x4f8/0xa40 [ 8294.347621][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8294.347621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8294.347621][ T10] netlink_rcv_skb+0x130/0x360 [ 8294.347621][ T10] netlink_unicast+0x449/0x710 [ 8294.347621][ T10] netlink_sendmsg+0x723/0xbe0 [ 8294.347621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8294.347621][ T10] ___sys_sendmsg+0xee/0x170 [ 8294.347621][ T10] __sys_sendmsg+0xcd/0x170 [ 8294.347621][ T10] do_syscall_64+0xc6/0x1e0 [ 8294.347621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8294.347621][ T10] [ 8294.349709][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8294.349709][ T10] netdev_get_by_index+0x5e/0x80 [ 8294.349709][ T10] fib6_nh_init+0x3d8/0x1580 [ 8294.349709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8294.349709][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8294.349709][ T10] ipv6_add_addr+0x411/0x2000 [ 8294.349709][ T10] inet6_addr_add+0x30e/0xa40 [ 8294.349709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8294.349709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8294.349709][ T10] netlink_rcv_skb+0x130/0x360 [ 8294.349709][ T10] netlink_unicast+0x449/0x710 [ 8294.349709][ T10] netlink_sendmsg+0x723/0xbe0 [ 8294.349709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8294.349709][ T10] ___sys_sendmsg+0xee/0x170 [ 8294.349709][ T10] __sys_sendmsg+0xcd/0x170 [ 8294.349709][ T10] do_syscall_64+0xc6/0x1e0 [ 8294.349709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8294.349709][ T10] [ 8294.351779][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8294.351779][ T10] netdev_get_by_index+0x5e/0x80 [ 8294.351779][ T10] fib6_nh_init+0x3d8/0x1580 [ 8294.351779][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8294.351779][ T10] ip6_route_add+0x1c/0x140 [ 8294.351779][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8294.351779][ T10] addrconf_add_dev+0xe2/0x170 [ 8294.351779][ T10] inet6_addr_add+0x12f/0xa40 [ 8294.351779][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8294.351779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8294.351779][ T10] netlink_rcv_skb+0x130/0x360 [ 8294.351779][ T10] netlink_unicast+0x449/0x710 [ 8294.351779][ T10] netlink_sendmsg+0x723/0xbe0 [ 8294.351779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8294.351779][ T10] ___sys_sendmsg+0xee/0x170 [ 8294.351779][ T10] __sys_sendmsg+0xcd/0x170 [ 8294.351779][ T10] do_syscall_64+0xc6/0x1e0 [ 8294.351779][ T10] [ 8294.353821][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8294.353821][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8294.353821][ T10] ipv6_find_idev+0x102/0x170 [ 8294.353821][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8294.353821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8294.353821][ T10] netlink_rcv_skb+0x130/0x360 [ 8294.353821][ T10] netlink_unicast+0x449/0x710 [ 8294.353821][ T10] netlink_sendmsg+0x723/0xbe0 [ 8294.353821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8294.353821][ T10] ___sys_sendmsg+0xee/0x170 [ 8294.353821][ T10] __sys_sendmsg+0xcd/0x170 [ 8294.353821][ T10] do_syscall_64+0xc6/0x1e0 [ 8294.353821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8294.353821][ T10] [ 8294.355412][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8294.355412][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8294.355412][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8294.355412][ T10] ipv6_find_idev+0x102/0x170 [ 8294.355412][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8294.355412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8294.355412][ T10] netlink_rcv_skb+0x130/0x360 [ 8294.355412][ T10] netlink_unicast+0x449/0x710 [ 8294.355412][ T10] netlink_sendmsg+0x723/0xbe0 [ 8294.355412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8294.355412][ T10] ___sys_sendmsg+0xee/0x170 [ 8294.355412][ T10] __sys_sendmsg+0xcd/0x170 [ 8294.355412][ T10] do_syscall_64+0xc6/0x1e0 [ 8294.355412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8294.355412][ T10] [ 8294.357164][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8294.357423][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8294.357423][ T10] netdev_get_by_index+0x5e/0x80 [ 8294.357423][ T10] fib6_nh_init+0x3d8/0x1580 [ 8294.357423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8294.357423][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8294.357423][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8294.357423][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8294.357423][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8294.357423][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8294.357423][ T10] addrconf_dad_begin+0x310/0x670 [ 8294.357423][ T10] addrconf_dad_work+0x10b/0xab0 [ 8294.357423][ T10] process_one_work+0x84d/0x18a0 [ 8294.357423][ T10] worker_thread+0x587/0xd30 [ 8294.357423][ T10] kthread+0x28a/0x350 [ 8294.357423][ T10] ret_from_fork+0x31/0x70 [ 8294.357423][ T10] ret_from_fork_asm+0x1a/0x30 [ 8294.357423][ T10] [ 8294.359410][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8294.359410][ T10] netdev_get_by_index+0x5e/0x80 [ 8294.359410][ T10] fib6_nh_init+0x3d8/0x1580 [ 8294.359410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8294.359410][ T10] ip6_route_add+0x1c/0x140 [ 8294.359410][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8294.359410][ T10] inet6_addr_add+0x4f8/0xa40 [ 8294.359410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8294.359410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8294.359410][ T10] netlink_rcv_skb+0x130/0x360 [ 8294.359410][ T10] netlink_unicast+0x449/0x710 [ 8294.359410][ T10] netlink_sendmsg+0x723/0xbe0 [ 8294.359410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8294.359410][ T10] ___sys_sendmsg+0xee/0x170 [ 8294.359410][ T10] __sys_sendmsg+0xcd/0x170 [ 8294.359410][ T10] do_syscall_64+0xc6/0x1e0 [ 8294.359410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8294.359410][ T10] [ 8294.361473][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8294.361473][ T10] netdev_get_by_index+0x5e/0x80 [ 8294.361473][ T10] fib6_nh_init+0x3d8/0x1580 [ 8294.361473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8294.361473][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8294.361473][ T10] ipv6_add_addr+0x411/0x2000 [ 8294.361473][ T10] inet6_addr_add+0x30e/0xa40 [ 8294.361473][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8294.361473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8294.361473][ T10] netlink_rcv_skb+0x130/0x360 [ 8294.361473][ T10] netlink_unicast+0x449/0x710 [ 8294.361473][ T10] netlink_sendmsg+0x723/0xbe0 [ 8294.361473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8294.361473][ T10] ___sys_sendmsg+0xee/0x170 [ 8294.361473][ T10] __sys_sendmsg+0xcd/0x170 [ 8294.361473][ T10] do_syscall_64+0xc6/0x1e0 [ 8294.361473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8294.361473][ T10] [ 8294.363556][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8294.363556][ T10] netdev_get_by_index+0x5e/0x80 [ 8294.363556][ T10] fib6_nh_init+0x3d8/0x1580 [ 8294.363556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8294.363556][ T10] ip6_route_add+0x1c/0x140 [ 8294.363556][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8294.363556][ T10] addrconf_add_dev+0xe2/0x170 [ 8294.363556][ T10] inet6_addr_add+0x12f/0xa40 [ 8294.363556][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8294.363556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8294.363556][ T10] netlink_rcv_skb+0x130/0x360 [ 8294.363556][ T10] netlink_unicast+0x449/0x710 [ 8294.363556][ T10] netlink_sendmsg+0x723/0xbe0 [ 8294.363556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8294.363556][ T10] ___sys_sendmsg+0xee/0x170 [ 8294.363556][ T10] __sys_sendmsg+0xcd/0x170 [ 8294.363556][ T10] do_syscall_64+0xc6/0x1e0 [ 8294.363556][ T10] [ 8294.365592][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8294.365592][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8294.365592][ T10] ipv6_find_idev+0x102/0x170 [ 8294.365592][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8294.365592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8294.365592][ T10] netlink_rcv_skb+0x130/0x360 [ 8294.365592][ T10] netlink_unicast+0x449/0x710 [ 8294.365592][ T10] netlink_sendmsg+0x723/0xbe0 [ 8294.365592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8294.365592][ T10] ___sys_sendmsg+0xee/0x170 [ 8294.365592][ T10] __sys_sendmsg+0xcd/0x170 [ 8294.365592][ T10] do_syscall_64+0xc6/0x1e0 [ 8294.365592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8294.365592][ T10] [ 8294.367174][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8294.367174][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8294.367174][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8294.367174][ T10] ipv6_find_idev+0x102/0x170 [ 8294.367174][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8294.367174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8294.367174][ T10] netlink_rcv_skb+0x130/0x360 [ 8294.367174][ T10] netlink_unicast+0x449/0x710 [ 8294.367174][ T10] netlink_sendmsg+0x723/0xbe0 [ 8294.367174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8294.367174][ T10] ___sys_sendmsg+0xee/0x170 [ 8294.367174][ T10] __sys_sendmsg+0xcd/0x170 [ 8294.367174][ T10] do_syscall_64+0xc6/0x1e0 [ 8294.367174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8294.367174][ T10] [ 8294.368844][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8294.369094][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8294.369094][ T10] netdev_get_by_index+0x5e/0x80 [ 8294.369094][ T10] fib6_nh_init+0x3d8/0x1580 [ 8294.369094][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8294.369094][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8294.369094][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8294.369094][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8294.369094][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8294.369094][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8294.369094][ T10] addrconf_dad_begin+0x310/0x670 [ 8294.369094][ T10] addrconf_dad_work+0x10b/0xab0 [ 8294.369094][ T10] process_one_work+0x84d/0x18a0 [ 8294.369094][ T10] worker_thread+0x587/0xd30 [ 8294.369094][ T10] kthread+0x28a/0x350 [ 8294.369094][ T10] ret_from_fork+0x31/0x70 [ 8294.369094][ T10] ret_from_fork_asm+0x1a/0x30 [ 8294.369094][ T10] [ 8294.371014][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8294.371014][ T10] netdev_get_by_index+0x5e/0x80 [ 8294.371014][ T10] fib6_nh_init+0x3d8/0x1580 [ 8294.371014][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8294.371014][ T10] ip6_route_add+0x1c/0x140 [ 8294.371014][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8294.371014][ T10] inet6_addr_add+0x4f8/0xa40 [ 8294.371014][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8294.371014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8294.371014][ T10] netlink_rcv_skb+0x130/0x360 [ 8294.371014][ T10] netlink_unicast+0x449/0x710 [ 8294.371014][ T10] netlink_sendmsg+0x723/0xbe0 [ 8294.371014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8294.371014][ T10] ___sys_sendmsg+0xee/0x170 [ 8294.371014][ T10] __sys_sendmsg+0xcd/0x170 [ 8294.371014][ T10] do_syscall_64+0xc6/0x1e0 [ 8294.371014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8294.371014][ T10] [ 8294.373332][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8294.373332][ T10] netdev_get_by_index+0x5e/0x80 [ 8294.373332][ T10] fib6_nh_init+0x3d8/0x1580 [ 8294.373332][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8294.373332][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8294.373332][ T10] ipv6_add_addr+0x411/0x2000 [ 8294.373332][ T10] inet6_addr_add+0x30e/0xa40 [ 8294.373332][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8294.373332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8294.373332][ T10] netlink_rcv_skb+0x130/0x360 [ 8294.373332][ T10] netlink_unicast+0x449/0x710 [ 8294.373332][ T10] netlink_sendmsg+0x723/0xbe0 [ 8294.373332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8294.373332][ T10] ___sys_sendmsg+0xee/0x170 [ 8294.373332][ T10] __sys_sendmsg+0xcd/0x170 [ 8294.373332][ T10] do_syscall_64+0xc6/0x1e0 [ 8294.373332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8294.373332][ T10] [ 8294.375583][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8294.375583][ T10] netdev_get_by_index+0x5e/0x80 [ 8294.375583][ T10] fib6_nh_init+0x3d8/0x1580 [ 8294.375583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8294.375583][ T10] ip6_route_add+0x1c/0x140 [ 8294.375583][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8294.375583][ T10] addrconf_add_dev+0xe2/0x170 [ 8294.375583][ T10] inet6_addr_add+0x12f/0xa40 [ 8294.375583][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8294.375583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8294.375583][ T10] netlink_rcv_skb+0x130/0x360 [ 8294.375583][ T10] netlink_unicast+0x449/0x710 [ 8294.375583][ T10] netlink_sendmsg+0x723/0xbe0 [ 8294.375583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8294.375583][ T10] ___sys_sendmsg+0xee/0x170 [ 8294.375583][ T10] __sys_sendmsg+0xcd/0x170 [ 8294.375583][ T10] do_syscall_64+0xc6/0x1e0 [ 8294.375583][ T10] [ 8294.377861][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8294.377861][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8294.377861][ T10] ipv6_find_idev+0x102/0x170 [ 8294.377861][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8294.377861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8294.377861][ T10] netlink_rcv_skb+0x130/0x360 [ 8294.377861][ T10] netlink_unicast+0x449/0x710 [ 8294.377861][ T10] netlink_sendmsg+0x723/0xbe0 [ 8294.377861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8294.377861][ T10] ___sys_sendmsg+0xee/0x170 [ 8294.377861][ T10] __sys_sendmsg+0xcd/0x170 [ 8294.377861][ T10] do_syscall_64+0xc6/0x1e0 [ 8294.377861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8294.377861][ T10] [ 8294.379651][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8294.379651][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8294.379651][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8294.379651][ T10] ipv6_find_idev+0x102/0x170 [ 8294.379651][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8294.379651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8294.379651][ T10] netlink_rcv_skb+0x130/0x360 [ 8294.379651][ T10] netlink_unicast+0x449/0x710 [ 8294.379651][ T10] netlink_sendmsg+0x723/0xbe0 [ 8294.379651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8294.379651][ T10] ___sys_sendmsg+0xee/0x170 [ 8294.379651][ T10] __sys_sendmsg+0xcd/0x170 [ 8294.379651][ T10] do_syscall_64+0xc6/0x1e0 [ 8294.379651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8294.379651][ T10] [ 8294.381713][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8294.381958][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8294.381958][ T10] netdev_get_by_index+0x5e/0x80 [ 8294.381958][ T10] fib6_nh_init+0x3d8/0x1580 [ 8294.381958][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8294.381958][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8294.381958][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8294.381958][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8294.381958][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8294.381958][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8294.381958][ T10] addrconf_dad_begin+0x310/0x670 [ 8294.381958][ T10] addrconf_dad_work+0x10b/0xab0 [ 8294.381958][ T10] process_one_work+0x84d/0x18a0 [ 8294.381958][ T10] worker_thread+0x587/0xd30 [ 8294.381958][ T10] kthread+0x28a/0x350 [ 8294.381958][ T10] ret_from_fork+0x31/0x70 [ 8294.381958][ T10] ret_from_fork_asm+0x1a/0x30 [ 8294.381958][ T10] [ 8294.384116][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8294.384116][ T10] netdev_get_by_index+0x5e/0x80 [ 8294.384116][ T10] fib6_nh_init+0x3d8/0x1580 [ 8294.384116][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8294.384116][ T10] ip6_route_add+0x1c/0x140 [ 8294.384116][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8294.384116][ T10] inet6_addr_add+0x4f8/0xa40 [ 8294.384116][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8294.384116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8294.384116][ T10] netlink_rcv_skb+0x130/0x360 [ 8294.384116][ T10] netlink_unicast+0x449/0x710 [ 8294.384116][ T10] netlink_sendmsg+0x723/0xbe0 [ 8294.384116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8294.384116][ T10] ___sys_sendmsg+0xee/0x170 [ 8294.384116][ T10] __sys_sendmsg+0xcd/0x170 [ 8294.384116][ T10] do_syscall_64+0xc6/0x1e0 [ 8294.384116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8294.384116][ T10] [ 8294.386951][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8294.386951][ T10] netdev_get_by_index+0x5e/0x80 [ 8294.386951][ T10] fib6_nh_init+0x3d8/0x1580 [ 8294.386951][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8294.386951][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8294.386951][ T10] ipv6_add_addr+0x411/0x2000 [ 8294.386951][ T10] inet6_addr_add+0x30e/0xa40 [ 8294.386951][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8294.386951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8294.386951][ T10] netlink_rcv_skb+0x130/0x360 [ 8294.386951][ T10] netlink_unicast+0x449/0x710 [ 8294.386951][ T10] netlink_sendmsg+0x723/0xbe0 [ 8294.386951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8294.386951][ T10] ___sys_sendmsg+0xee/0x170 [ 8294.386951][ T10] __sys_sendmsg+0xcd/0x170 [ 8294.386951][ T10] do_syscall_64+0xc6/0x1e0 [ 8294.386951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8294.386951][ T10] [ 8294.389274][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8294.389274][ T10] netdev_get_by_index+0x5e/0x80 [ 8294.389274][ T10] fib6_nh_init+0x3d8/0x1580 [ 8294.389274][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8294.389274][ T10] ip6_route_add+0x1c/0x140 [ 8294.389274][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8294.389274][ T10] addrconf_add_dev+0xe2/0x170 [ 8294.389274][ T10] inet6_addr_add+0x12f/0xa40 [ 8294.389274][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8294.389274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8294.389274][ T10] netlink_rcv_skb+0x130/0x360 [ 8294.389274][ T10] netlink_unicast+0x449/0x710 [ 8294.389274][ T10] netlink_sendmsg+0x723/0xbe0 [ 8294.389274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8294.389274][ T10] ___sys_sendmsg+0xee/0x170 [ 8294.389274][ T10] __sys_sendmsg+0xcd/0x170 [ 8294.389274][ T10] do_syscall_64+0xc6/0x1e0 [ 8294.389274][ T10] [ 8294.391604][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8294.391604][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8294.391604][ T10] ipv6_find_idev+0x102/0x170 [ 8294.391604][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8294.391604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8294.391604][ T10] netlink_rcv_skb+0x130/0x360 [ 8294.391604][ T10] netlink_unicast+0x449/0x710 [ 8294.391604][ T10] netlink_sendmsg+0x723/0xbe0 [ 8294.391604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8294.391604][ T10] ___sys_sendmsg+0xee/0x170 [ 8294.391604][ T10] __sys_sendmsg+0xcd/0x170 [ 8294.391604][ T10] do_syscall_64+0xc6/0x1e0 [ 8294.391604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8294.391604][ T10] [ 8294.393378][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8294.393378][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8294.393378][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8294.393378][ T10] ipv6_find_idev+0x102/0x170 [ 8294.393378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8294.393378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8294.393378][ T10] netlink_rcv_skb+0x130/0x360 [ 8294.393378][ T10] netlink_unicast+0x449/0x710 [ 8294.393378][ T10] netlink_sendmsg+0x723/0xbe0 [ 8294.393378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8294.393378][ T10] ___sys_sendmsg+0xee/0x170 [ 8294.393378][ T10] __sys_sendmsg+0xcd/0x170 [ 8294.393378][ T10] do_syscall_64+0xc6/0x1e0 [ 8294.393378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8294.393378][ T10] [ 8294.945119][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8294.945622][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8294.945622][ T1167] dst_init+0x84/0x4a0 [ 8294.945622][ T1167] dst_alloc+0x97/0x150 [ 8294.945622][ T1167] ip6_dst_alloc+0x23/0x90 [ 8294.945622][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8294.945622][ T1167] ip6_pol_route+0x56f/0x840 [ 8294.945622][ T1167] fib6_rule_lookup+0x334/0x630 [ 8294.945622][ T1167] ip6_route_output_flags+0x259/0x480 [ 8294.945622][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8294.945622][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8294.945622][ T1167] netlink_rcv_skb+0x130/0x360 [ 8294.945622][ T1167] netlink_unicast+0x449/0x710 [ 8294.945622][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8294.945622][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8294.945622][ T1167] ___sys_sendmsg+0xee/0x170 [ 8294.945622][ T1167] __sys_sendmsg+0xcd/0x170 [ 8294.945622][ T1167] do_syscall_64+0xc6/0x1e0 [ 8294.945622][ T1167] [ 8294.947934][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8294.947934][ T1167] netdev_get_by_index+0x5e/0x80 [ 8294.947934][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8294.947934][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8294.947934][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8294.947934][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8294.947934][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8294.947934][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8294.947934][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8294.947934][ T1167] addrconf_dad_begin+0x310/0x670 [ 8294.947934][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8294.947934][ T1167] process_one_work+0x84d/0x18a0 [ 8294.947934][ T1167] worker_thread+0x587/0xd30 [ 8294.947934][ T1167] kthread+0x28a/0x350 [ 8294.947934][ T1167] ret_from_fork+0x31/0x70 [ 8294.947934][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8294.947934][ T1167] [ 8294.950204][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8294.950204][ T1167] netdev_get_by_index+0x5e/0x80 [ 8294.950204][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8294.950204][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8294.950204][ T1167] ip6_route_add+0x1c/0x140 [ 8294.950204][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8294.950204][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8294.950204][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8294.950204][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8294.950204][ T1167] netlink_rcv_skb+0x130/0x360 [ 8294.950204][ T1167] netlink_unicast+0x449/0x710 [ 8294.950204][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8294.950204][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8294.950204][ T1167] ___sys_sendmsg+0xee/0x170 [ 8294.950204][ T1167] __sys_sendmsg+0xcd/0x170 [ 8294.950204][ T1167] do_syscall_64+0xc6/0x1e0 [ 8294.950204][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8294.950204][ T1167] [ 8294.952555][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8294.952555][ T1167] netdev_get_by_index+0x5e/0x80 [ 8294.952555][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8294.952555][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8294.952555][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8294.952555][ T1167] ipv6_add_addr+0x411/0x2000 [ 8294.952555][ T1167] inet6_addr_add+0x30e/0xa40 [ 8294.952555][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8294.952555][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8294.952555][ T1167] netlink_rcv_skb+0x130/0x360 [ 8294.952555][ T1167] netlink_unicast+0x449/0x710 [ 8294.952555][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8294.952555][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8294.952555][ T1167] ___sys_sendmsg+0xee/0x170 [ 8294.952555][ T1167] __sys_sendmsg+0xcd/0x170 [ 8294.952555][ T1167] do_syscall_64+0xc6/0x1e0 [ 8294.952555][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8294.952555][ T1167] [ 8294.954904][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8294.954904][ T1167] netdev_get_by_index+0x5e/0x80 [ 8294.954904][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8294.954904][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8294.954904][ T1167] ip6_route_add+0x1c/0x140 [ 8294.954904][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8294.954904][ T1167] addrconf_add_dev+0xe2/0x170 [ 8294.954904][ T1167] inet6_addr_add+0x12f/0xa40 [ 8294.954904][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8294.954904][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8294.954904][ T1167] netlink_rcv_skb+0x130/0x360 [ 8294.954904][ T1167] netlink_unicast+0x449/0x710 [ 8294.954904][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8294.954904][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8294.954904][ T1167] ___sys_sendmsg+0xee/0x170 [ 8294.954904][ T1167] __sys_sendmsg+0xcd/0x170 [ 8294.954904][ T1167] do_syscall_64+0xc6/0x1e0 [ 8294.954904][ T1167] [ 8294.957215][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8294.957215][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8294.957215][ T1167] ipv6_find_idev+0x102/0x170 [ 8294.957215][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8294.957215][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8294.957215][ T1167] netlink_rcv_skb+0x130/0x360 [ 8294.957215][ T1167] netlink_unicast+0x449/0x710 [ 8294.957215][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8294.957215][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8294.957215][ T1167] ___sys_sendmsg+0xee/0x170 [ 8294.957215][ T1167] __sys_sendmsg+0xcd/0x170 [ 8294.957215][ T1167] do_syscall_64+0xc6/0x1e0 [ 8294.957215][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8294.957215][ T1167] [ 8294.959020][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8294.959020][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8294.959020][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8294.959020][ T1167] ipv6_find_idev+0x102/0x170 [ 8294.959020][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8294.959020][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8294.959020][ T1167] netlink_rcv_skb+0x130/0x360 [ 8294.959020][ T1167] netlink_unicast+0x449/0x710 [ 8294.959020][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8294.959020][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8294.959020][ T1167] ___sys_sendmsg+0xee/0x170 [ 8294.959020][ T1167] __sys_sendmsg+0xcd/0x170 [ 8294.959020][ T1167] do_syscall_64+0xc6/0x1e0 [ 8294.959020][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8294.959020][ T1167] [ 8304.633108][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8304.633537][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8304.633537][ T10] netdev_get_by_index+0x5e/0x80 [ 8304.633537][ T10] fib6_nh_init+0x3d8/0x1580 [ 8304.633537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8304.633537][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8304.633537][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8304.633537][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8304.633537][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8304.633537][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8304.633537][ T10] addrconf_dad_begin+0x310/0x670 [ 8304.633537][ T10] addrconf_dad_work+0x10b/0xab0 [ 8304.633537][ T10] process_one_work+0x84d/0x18a0 [ 8304.633537][ T10] worker_thread+0x587/0xd30 [ 8304.633537][ T10] kthread+0x28a/0x350 [ 8304.633537][ T10] ret_from_fork+0x31/0x70 [ 8304.633537][ T10] ret_from_fork_asm+0x1a/0x30 [ 8304.633537][ T10] [ 8304.635552][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8304.635552][ T10] netdev_get_by_index+0x5e/0x80 [ 8304.635552][ T10] fib6_nh_init+0x3d8/0x1580 [ 8304.635552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8304.635552][ T10] ip6_route_add+0x1c/0x140 [ 8304.635552][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8304.635552][ T10] inet6_addr_add+0x4f8/0xa40 [ 8304.635552][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8304.635552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8304.635552][ T10] netlink_rcv_skb+0x130/0x360 [ 8304.635552][ T10] netlink_unicast+0x449/0x710 [ 8304.635552][ T10] netlink_sendmsg+0x723/0xbe0 [ 8304.635552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8304.635552][ T10] ___sys_sendmsg+0xee/0x170 [ 8304.635552][ T10] __sys_sendmsg+0xcd/0x170 [ 8304.635552][ T10] do_syscall_64+0xc6/0x1e0 [ 8304.635552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8304.635552][ T10] [ 8304.637630][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8304.637630][ T10] netdev_get_by_index+0x5e/0x80 [ 8304.637630][ T10] fib6_nh_init+0x3d8/0x1580 [ 8304.637630][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8304.637630][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8304.637630][ T10] ipv6_add_addr+0x411/0x2000 [ 8304.637630][ T10] inet6_addr_add+0x30e/0xa40 [ 8304.637630][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8304.637630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8304.637630][ T10] netlink_rcv_skb+0x130/0x360 [ 8304.637630][ T10] netlink_unicast+0x449/0x710 [ 8304.637630][ T10] netlink_sendmsg+0x723/0xbe0 [ 8304.637630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8304.637630][ T10] ___sys_sendmsg+0xee/0x170 [ 8304.637630][ T10] __sys_sendmsg+0xcd/0x170 [ 8304.637630][ T10] do_syscall_64+0xc6/0x1e0 [ 8304.637630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8304.637630][ T10] [ 8304.639708][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8304.639708][ T10] netdev_get_by_index+0x5e/0x80 [ 8304.639708][ T10] fib6_nh_init+0x3d8/0x1580 [ 8304.639708][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8304.639708][ T10] ip6_route_add+0x1c/0x140 [ 8304.639708][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8304.639708][ T10] addrconf_add_dev+0xe2/0x170 [ 8304.639708][ T10] inet6_addr_add+0x12f/0xa40 [ 8304.639708][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8304.639708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8304.639708][ T10] netlink_rcv_skb+0x130/0x360 [ 8304.639708][ T10] netlink_unicast+0x449/0x710 [ 8304.639708][ T10] netlink_sendmsg+0x723/0xbe0 [ 8304.639708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8304.639708][ T10] ___sys_sendmsg+0xee/0x170 [ 8304.639708][ T10] __sys_sendmsg+0xcd/0x170 [ 8304.639708][ T10] do_syscall_64+0xc6/0x1e0 [ 8304.639708][ T10] [ 8304.641749][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8304.641749][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8304.641749][ T10] ipv6_find_idev+0x102/0x170 [ 8304.641749][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8304.641749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8304.641749][ T10] netlink_rcv_skb+0x130/0x360 [ 8304.641749][ T10] netlink_unicast+0x449/0x710 [ 8304.641749][ T10] netlink_sendmsg+0x723/0xbe0 [ 8304.641749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8304.641749][ T10] ___sys_sendmsg+0xee/0x170 [ 8304.641749][ T10] __sys_sendmsg+0xcd/0x170 [ 8304.641749][ T10] do_syscall_64+0xc6/0x1e0 [ 8304.641749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8304.641749][ T10] [ 8304.643343][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8304.643343][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8304.643343][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8304.643343][ T10] ipv6_find_idev+0x102/0x170 [ 8304.643343][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8304.643343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8304.643343][ T10] netlink_rcv_skb+0x130/0x360 [ 8304.643343][ T10] netlink_unicast+0x449/0x710 [ 8304.643343][ T10] netlink_sendmsg+0x723/0xbe0 [ 8304.643343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8304.643343][ T10] ___sys_sendmsg+0xee/0x170 [ 8304.643343][ T10] __sys_sendmsg+0xcd/0x170 [ 8304.643343][ T10] do_syscall_64+0xc6/0x1e0 [ 8304.643343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8304.643343][ T10] [ 8304.645096][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8304.645344][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8304.645344][ T10] netdev_get_by_index+0x5e/0x80 [ 8304.645344][ T10] fib6_nh_init+0x3d8/0x1580 [ 8304.645344][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8304.645344][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8304.645344][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8304.645344][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8304.645344][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8304.645344][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8304.645344][ T10] addrconf_dad_begin+0x310/0x670 [ 8304.645344][ T10] addrconf_dad_work+0x10b/0xab0 [ 8304.645344][ T10] process_one_work+0x84d/0x18a0 [ 8304.645344][ T10] worker_thread+0x587/0xd30 [ 8304.645344][ T10] kthread+0x28a/0x350 [ 8304.645344][ T10] ret_from_fork+0x31/0x70 [ 8304.645344][ T10] ret_from_fork_asm+0x1a/0x30 [ 8304.645344][ T10] [ 8304.647332][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8304.647332][ T10] netdev_get_by_index+0x5e/0x80 [ 8304.647332][ T10] fib6_nh_init+0x3d8/0x1580 [ 8304.647332][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8304.647332][ T10] ip6_route_add+0x1c/0x140 [ 8304.647332][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8304.647332][ T10] inet6_addr_add+0x4f8/0xa40 [ 8304.647332][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8304.647332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8304.647332][ T10] netlink_rcv_skb+0x130/0x360 [ 8304.647332][ T10] netlink_unicast+0x449/0x710 [ 8304.647332][ T10] netlink_sendmsg+0x723/0xbe0 [ 8304.647332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8304.647332][ T10] ___sys_sendmsg+0xee/0x170 [ 8304.647332][ T10] __sys_sendmsg+0xcd/0x170 [ 8304.647332][ T10] do_syscall_64+0xc6/0x1e0 [ 8304.647332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8304.647332][ T10] [ 8304.649407][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8304.649407][ T10] netdev_get_by_index+0x5e/0x80 [ 8304.649407][ T10] fib6_nh_init+0x3d8/0x1580 [ 8304.649407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8304.649407][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8304.649407][ T10] ipv6_add_addr+0x411/0x2000 [ 8304.649407][ T10] inet6_addr_add+0x30e/0xa40 [ 8304.649407][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8304.649407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8304.649407][ T10] netlink_rcv_skb+0x130/0x360 [ 8304.649407][ T10] netlink_unicast+0x449/0x710 [ 8304.649407][ T10] netlink_sendmsg+0x723/0xbe0 [ 8304.649407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8304.649407][ T10] ___sys_sendmsg+0xee/0x170 [ 8304.649407][ T10] __sys_sendmsg+0xcd/0x170 [ 8304.649407][ T10] do_syscall_64+0xc6/0x1e0 [ 8304.649407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8304.649407][ T10] [ 8304.651476][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8304.651476][ T10] netdev_get_by_index+0x5e/0x80 [ 8304.651476][ T10] fib6_nh_init+0x3d8/0x1580 [ 8304.651476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8304.651476][ T10] ip6_route_add+0x1c/0x140 [ 8304.651476][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8304.651476][ T10] addrconf_add_dev+0xe2/0x170 [ 8304.651476][ T10] inet6_addr_add+0x12f/0xa40 [ 8304.651476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8304.651476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8304.651476][ T10] netlink_rcv_skb+0x130/0x360 [ 8304.651476][ T10] netlink_unicast+0x449/0x710 [ 8304.651476][ T10] netlink_sendmsg+0x723/0xbe0 [ 8304.651476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8304.651476][ T10] ___sys_sendmsg+0xee/0x170 [ 8304.651476][ T10] __sys_sendmsg+0xcd/0x170 [ 8304.651476][ T10] do_syscall_64+0xc6/0x1e0 [ 8304.651476][ T10] [ 8304.653520][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8304.653520][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8304.653520][ T10] ipv6_find_idev+0x102/0x170 [ 8304.653520][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8304.653520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8304.653520][ T10] netlink_rcv_skb+0x130/0x360 [ 8304.653520][ T10] netlink_unicast+0x449/0x710 [ 8304.653520][ T10] netlink_sendmsg+0x723/0xbe0 [ 8304.653520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8304.653520][ T10] ___sys_sendmsg+0xee/0x170 [ 8304.653520][ T10] __sys_sendmsg+0xcd/0x170 [ 8304.653520][ T10] do_syscall_64+0xc6/0x1e0 [ 8304.653520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8304.653520][ T10] [ 8304.655114][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8304.655114][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8304.655114][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8304.655114][ T10] ipv6_find_idev+0x102/0x170 [ 8304.655114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8304.655114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8304.655114][ T10] netlink_rcv_skb+0x130/0x360 [ 8304.655114][ T10] netlink_unicast+0x449/0x710 [ 8304.655114][ T10] netlink_sendmsg+0x723/0xbe0 [ 8304.655114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8304.655114][ T10] ___sys_sendmsg+0xee/0x170 [ 8304.655114][ T10] __sys_sendmsg+0xcd/0x170 [ 8304.655114][ T10] do_syscall_64+0xc6/0x1e0 [ 8304.655114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8304.655114][ T10] [ 8304.656857][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8304.657111][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8304.657111][ T10] netdev_get_by_index+0x5e/0x80 [ 8304.657111][ T10] fib6_nh_init+0x3d8/0x1580 [ 8304.657111][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8304.657111][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8304.657111][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8304.657111][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8304.657111][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8304.657111][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8304.657111][ T10] addrconf_dad_begin+0x310/0x670 [ 8304.657111][ T10] addrconf_dad_work+0x10b/0xab0 [ 8304.657111][ T10] process_one_work+0x84d/0x18a0 [ 8304.657111][ T10] worker_thread+0x587/0xd30 [ 8304.657111][ T10] kthread+0x28a/0x350 [ 8304.657111][ T10] ret_from_fork+0x31/0x70 [ 8304.657111][ T10] ret_from_fork_asm+0x1a/0x30 [ 8304.657111][ T10] [ 8304.659091][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8304.659091][ T10] netdev_get_by_index+0x5e/0x80 [ 8304.659091][ T10] fib6_nh_init+0x3d8/0x1580 [ 8304.659091][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8304.659091][ T10] ip6_route_add+0x1c/0x140 [ 8304.659091][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8304.659091][ T10] inet6_addr_add+0x4f8/0xa40 [ 8304.659091][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8304.659091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8304.659091][ T10] netlink_rcv_skb+0x130/0x360 [ 8304.659091][ T10] netlink_unicast+0x449/0x710 [ 8304.659091][ T10] netlink_sendmsg+0x723/0xbe0 [ 8304.659091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8304.659091][ T10] ___sys_sendmsg+0xee/0x170 [ 8304.659091][ T10] __sys_sendmsg+0xcd/0x170 [ 8304.659091][ T10] do_syscall_64+0xc6/0x1e0 [ 8304.659091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8304.659091][ T10] [ 8304.661306][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8304.661306][ T10] netdev_get_by_index+0x5e/0x80 [ 8304.661306][ T10] fib6_nh_init+0x3d8/0x1580 [ 8304.661306][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8304.661306][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8304.661306][ T10] ipv6_add_addr+0x411/0x2000 [ 8304.661306][ T10] inet6_addr_add+0x30e/0xa40 [ 8304.661306][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8304.661306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8304.661306][ T10] netlink_rcv_skb+0x130/0x360 [ 8304.661306][ T10] netlink_unicast+0x449/0x710 [ 8304.661306][ T10] netlink_sendmsg+0x723/0xbe0 [ 8304.661306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8304.661306][ T10] ___sys_sendmsg+0xee/0x170 [ 8304.661306][ T10] __sys_sendmsg+0xcd/0x170 [ 8304.661306][ T10] do_syscall_64+0xc6/0x1e0 [ 8304.661306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8304.661306][ T10] [ 8304.663502][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8304.663502][ T10] netdev_get_by_index+0x5e/0x80 [ 8304.663502][ T10] fib6_nh_init+0x3d8/0x1580 [ 8304.663502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8304.663502][ T10] ip6_route_add+0x1c/0x140 [ 8304.663502][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8304.663502][ T10] addrconf_add_dev+0xe2/0x170 [ 8304.663502][ T10] inet6_addr_add+0x12f/0xa40 [ 8304.663502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8304.663502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8304.663502][ T10] netlink_rcv_skb+0x130/0x360 [ 8304.663502][ T10] netlink_unicast+0x449/0x710 [ 8304.663502][ T10] netlink_sendmsg+0x723/0xbe0 [ 8304.663502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8304.663502][ T10] ___sys_sendmsg+0xee/0x170 [ 8304.663502][ T10] __sys_sendmsg+0xcd/0x170 [ 8304.663502][ T10] do_syscall_64+0xc6/0x1e0 [ 8304.663502][ T10] [ 8304.665665][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8304.665665][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8304.665665][ T10] ipv6_find_idev+0x102/0x170 [ 8304.665665][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8304.665665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8304.665665][ T10] netlink_rcv_skb+0x130/0x360 [ 8304.665665][ T10] netlink_unicast+0x449/0x710 [ 8304.665665][ T10] netlink_sendmsg+0x723/0xbe0 [ 8304.665665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8304.665665][ T10] ___sys_sendmsg+0xee/0x170 [ 8304.665665][ T10] __sys_sendmsg+0xcd/0x170 [ 8304.665665][ T10] do_syscall_64+0xc6/0x1e0 [ 8304.665665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8304.665665][ T10] [ 8304.667319][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8304.667319][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8304.667319][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8304.667319][ T10] ipv6_find_idev+0x102/0x170 [ 8304.667319][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8304.667319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8304.667319][ T10] netlink_rcv_skb+0x130/0x360 [ 8304.667319][ T10] netlink_unicast+0x449/0x710 [ 8304.667319][ T10] netlink_sendmsg+0x723/0xbe0 [ 8304.667319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8304.667319][ T10] ___sys_sendmsg+0xee/0x170 [ 8304.667319][ T10] __sys_sendmsg+0xcd/0x170 [ 8304.667319][ T10] do_syscall_64+0xc6/0x1e0 [ 8304.667319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8304.667319][ T10] [ 8304.669259][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8304.669506][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8304.669506][ T10] netdev_get_by_index+0x5e/0x80 [ 8304.669506][ T10] fib6_nh_init+0x3d8/0x1580 [ 8304.669506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8304.669506][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8304.669506][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8304.669506][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8304.669506][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8304.669506][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8304.669506][ T10] addrconf_dad_begin+0x310/0x670 [ 8304.669506][ T10] addrconf_dad_work+0x10b/0xab0 [ 8304.669506][ T10] process_one_work+0x84d/0x18a0 [ 8304.669506][ T10] worker_thread+0x587/0xd30 [ 8304.669506][ T10] kthread+0x28a/0x350 [ 8304.669506][ T10] ret_from_fork+0x31/0x70 [ 8304.669506][ T10] ret_from_fork_asm+0x1a/0x30 [ 8304.669506][ T10] [ 8304.671544][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8304.671544][ T10] netdev_get_by_index+0x5e/0x80 [ 8304.671544][ T10] fib6_nh_init+0x3d8/0x1580 [ 8304.671544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8304.671544][ T10] ip6_route_add+0x1c/0x140 [ 8304.671544][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8304.671544][ T10] inet6_addr_add+0x4f8/0xa40 [ 8304.671544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8304.671544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8304.671544][ T10] netlink_rcv_skb+0x130/0x360 [ 8304.671544][ T10] netlink_unicast+0x449/0x710 [ 8304.671544][ T10] netlink_sendmsg+0x723/0xbe0 [ 8304.671544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8304.671544][ T10] ___sys_sendmsg+0xee/0x170 [ 8304.671544][ T10] __sys_sendmsg+0xcd/0x170 [ 8304.671544][ T10] do_syscall_64+0xc6/0x1e0 [ 8304.671544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8304.671544][ T10] [ 8304.673735][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8304.673735][ T10] netdev_get_by_index+0x5e/0x80 [ 8304.673735][ T10] fib6_nh_init+0x3d8/0x1580 [ 8304.673735][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8304.673735][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8304.673735][ T10] ipv6_add_addr+0x411/0x2000 [ 8304.673735][ T10] inet6_addr_add+0x30e/0xa40 [ 8304.673735][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8304.673735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8304.673735][ T10] netlink_rcv_skb+0x130/0x360 [ 8304.673735][ T10] netlink_unicast+0x449/0x710 [ 8304.673735][ T10] netlink_sendmsg+0x723/0xbe0 [ 8304.673735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8304.673735][ T10] ___sys_sendmsg+0xee/0x170 [ 8304.673735][ T10] __sys_sendmsg+0xcd/0x170 [ 8304.673735][ T10] do_syscall_64+0xc6/0x1e0 [ 8304.673735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8304.673735][ T10] [ 8304.675929][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8304.675929][ T10] netdev_get_by_index+0x5e/0x80 [ 8304.675929][ T10] fib6_nh_init+0x3d8/0x1580 [ 8304.675929][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8304.675929][ T10] ip6_route_add+0x1c/0x140 [ 8304.675929][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8304.675929][ T10] addrconf_add_dev+0xe2/0x170 [ 8304.675929][ T10] inet6_addr_add+0x12f/0xa40 [ 8304.675929][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8304.675929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8304.675929][ T10] netlink_rcv_skb+0x130/0x360 [ 8304.675929][ T10] netlink_unicast+0x449/0x710 [ 8304.675929][ T10] netlink_sendmsg+0x723/0xbe0 [ 8304.675929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8304.675929][ T10] ___sys_sendmsg+0xee/0x170 [ 8304.675929][ T10] __sys_sendmsg+0xcd/0x170 [ 8304.675929][ T10] do_syscall_64+0xc6/0x1e0 [ 8304.675929][ T10] [ 8304.678093][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8304.678093][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8304.678093][ T10] ipv6_find_idev+0x102/0x170 [ 8304.678093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8304.678093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8304.678093][ T10] netlink_rcv_skb+0x130/0x360 [ 8304.678093][ T10] netlink_unicast+0x449/0x710 [ 8304.678093][ T10] netlink_sendmsg+0x723/0xbe0 [ 8304.678093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8304.678093][ T10] ___sys_sendmsg+0xee/0x170 [ 8304.678093][ T10] __sys_sendmsg+0xcd/0x170 [ 8304.678093][ T10] do_syscall_64+0xc6/0x1e0 [ 8304.678093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8304.678093][ T10] [ 8304.679745][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8304.679745][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8304.679745][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8304.679745][ T10] ipv6_find_idev+0x102/0x170 [ 8304.679745][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8304.679745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8304.679745][ T10] netlink_rcv_skb+0x130/0x360 [ 8304.679745][ T10] netlink_unicast+0x449/0x710 [ 8304.679745][ T10] netlink_sendmsg+0x723/0xbe0 [ 8304.679745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8304.679745][ T10] ___sys_sendmsg+0xee/0x170 [ 8304.679745][ T10] __sys_sendmsg+0xcd/0x170 [ 8304.679745][ T10] do_syscall_64+0xc6/0x1e0 [ 8304.679745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8304.679745][ T10] [ 8305.201099][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8305.201566][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8305.201566][ T1167] dst_init+0x84/0x4a0 [ 8305.201566][ T1167] dst_alloc+0x97/0x150 [ 8305.201566][ T1167] ip6_dst_alloc+0x23/0x90 [ 8305.201566][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8305.201566][ T1167] ip6_pol_route+0x56f/0x840 [ 8305.201566][ T1167] fib6_rule_lookup+0x334/0x630 [ 8305.201566][ T1167] ip6_route_output_flags+0x259/0x480 [ 8305.201566][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8305.201566][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8305.201566][ T1167] netlink_rcv_skb+0x130/0x360 [ 8305.201566][ T1167] netlink_unicast+0x449/0x710 [ 8305.201566][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8305.201566][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8305.201566][ T1167] ___sys_sendmsg+0xee/0x170 [ 8305.201566][ T1167] __sys_sendmsg+0xcd/0x170 [ 8305.201566][ T1167] do_syscall_64+0xc6/0x1e0 [ 8305.201566][ T1167] [ 8305.203867][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8305.203867][ T1167] netdev_get_by_index+0x5e/0x80 [ 8305.203867][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8305.203867][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8305.203867][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8305.203867][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8305.203867][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8305.203867][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8305.203867][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8305.203867][ T1167] addrconf_dad_begin+0x310/0x670 [ 8305.203867][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8305.203867][ T1167] process_one_work+0x84d/0x18a0 [ 8305.203867][ T1167] worker_thread+0x587/0xd30 [ 8305.203867][ T1167] kthread+0x28a/0x350 [ 8305.203867][ T1167] ret_from_fork+0x31/0x70 [ 8305.203867][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8305.203867][ T1167] [ 8305.206106][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8305.206106][ T1167] netdev_get_by_index+0x5e/0x80 [ 8305.206106][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8305.206106][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8305.206106][ T1167] ip6_route_add+0x1c/0x140 [ 8305.206106][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8305.206106][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8305.206106][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8305.206106][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8305.206106][ T1167] netlink_rcv_skb+0x130/0x360 [ 8305.206106][ T1167] netlink_unicast+0x449/0x710 [ 8305.206106][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8305.206106][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8305.206106][ T1167] ___sys_sendmsg+0xee/0x170 [ 8305.206106][ T1167] __sys_sendmsg+0xcd/0x170 [ 8305.206106][ T1167] do_syscall_64+0xc6/0x1e0 [ 8305.206106][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8305.206106][ T1167] [ 8305.208461][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8305.208461][ T1167] netdev_get_by_index+0x5e/0x80 [ 8305.208461][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8305.208461][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8305.208461][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8305.208461][ T1167] ipv6_add_addr+0x411/0x2000 [ 8305.208461][ T1167] inet6_addr_add+0x30e/0xa40 [ 8305.208461][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8305.208461][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8305.208461][ T1167] netlink_rcv_skb+0x130/0x360 [ 8305.208461][ T1167] netlink_unicast+0x449/0x710 [ 8305.208461][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8305.208461][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8305.208461][ T1167] ___sys_sendmsg+0xee/0x170 [ 8305.208461][ T1167] __sys_sendmsg+0xcd/0x170 [ 8305.208461][ T1167] do_syscall_64+0xc6/0x1e0 [ 8305.208461][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8305.208461][ T1167] [ 8305.210815][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8305.210815][ T1167] netdev_get_by_index+0x5e/0x80 [ 8305.210815][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8305.210815][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8305.210815][ T1167] ip6_route_add+0x1c/0x140 [ 8305.210815][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8305.210815][ T1167] addrconf_add_dev+0xe2/0x170 [ 8305.210815][ T1167] inet6_addr_add+0x12f/0xa40 [ 8305.210815][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8305.210815][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8305.210815][ T1167] netlink_rcv_skb+0x130/0x360 [ 8305.210815][ T1167] netlink_unicast+0x449/0x710 [ 8305.210815][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8305.210815][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8305.210815][ T1167] ___sys_sendmsg+0xee/0x170 [ 8305.210815][ T1167] __sys_sendmsg+0xcd/0x170 [ 8305.210815][ T1167] do_syscall_64+0xc6/0x1e0 [ 8305.210815][ T1167] [ 8305.213122][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8305.213122][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8305.213122][ T1167] ipv6_find_idev+0x102/0x170 [ 8305.213122][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8305.213122][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8305.213122][ T1167] netlink_rcv_skb+0x130/0x360 [ 8305.213122][ T1167] netlink_unicast+0x449/0x710 [ 8305.213122][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8305.213122][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8305.213122][ T1167] ___sys_sendmsg+0xee/0x170 [ 8305.213122][ T1167] __sys_sendmsg+0xcd/0x170 [ 8305.213122][ T1167] do_syscall_64+0xc6/0x1e0 [ 8305.213122][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8305.213122][ T1167] [ 8305.214921][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8305.214921][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8305.214921][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8305.214921][ T1167] ipv6_find_idev+0x102/0x170 [ 8305.214921][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8305.214921][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8305.214921][ T1167] netlink_rcv_skb+0x130/0x360 [ 8305.214921][ T1167] netlink_unicast+0x449/0x710 [ 8305.214921][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8305.214921][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8305.214921][ T1167] ___sys_sendmsg+0xee/0x170 [ 8305.214921][ T1167] __sys_sendmsg+0xcd/0x170 [ 8305.214921][ T1167] do_syscall_64+0xc6/0x1e0 [ 8305.214921][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8305.214921][ T1167] [ 8314.921043][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8314.921470][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8314.921470][ T10] netdev_get_by_index+0x5e/0x80 [ 8314.921470][ T10] fib6_nh_init+0x3d8/0x1580 [ 8314.921470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8314.921470][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8314.921470][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8314.921470][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8314.921470][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8314.921470][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8314.921470][ T10] addrconf_dad_begin+0x310/0x670 [ 8314.921470][ T10] addrconf_dad_work+0x10b/0xab0 [ 8314.921470][ T10] process_one_work+0x84d/0x18a0 [ 8314.921470][ T10] worker_thread+0x587/0xd30 [ 8314.921470][ T10] kthread+0x28a/0x350 [ 8314.921470][ T10] ret_from_fork+0x31/0x70 [ 8314.921470][ T10] ret_from_fork_asm+0x1a/0x30 [ 8314.921470][ T10] [ 8314.923489][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8314.923489][ T10] netdev_get_by_index+0x5e/0x80 [ 8314.923489][ T10] fib6_nh_init+0x3d8/0x1580 [ 8314.923489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8314.923489][ T10] ip6_route_add+0x1c/0x140 [ 8314.923489][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8314.923489][ T10] inet6_addr_add+0x4f8/0xa40 [ 8314.923489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8314.923489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8314.923489][ T10] netlink_rcv_skb+0x130/0x360 [ 8314.923489][ T10] netlink_unicast+0x449/0x710 [ 8314.923489][ T10] netlink_sendmsg+0x723/0xbe0 [ 8314.923489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8314.923489][ T10] ___sys_sendmsg+0xee/0x170 [ 8314.923489][ T10] __sys_sendmsg+0xcd/0x170 [ 8314.923489][ T10] do_syscall_64+0xc6/0x1e0 [ 8314.923489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8314.923489][ T10] [ 8314.925623][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8314.925623][ T10] netdev_get_by_index+0x5e/0x80 [ 8314.925623][ T10] fib6_nh_init+0x3d8/0x1580 [ 8314.925623][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8314.925623][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8314.925623][ T10] ipv6_add_addr+0x411/0x2000 [ 8314.925623][ T10] inet6_addr_add+0x30e/0xa40 [ 8314.925623][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8314.925623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8314.925623][ T10] netlink_rcv_skb+0x130/0x360 [ 8314.925623][ T10] netlink_unicast+0x449/0x710 [ 8314.925623][ T10] netlink_sendmsg+0x723/0xbe0 [ 8314.925623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8314.925623][ T10] ___sys_sendmsg+0xee/0x170 [ 8314.925623][ T10] __sys_sendmsg+0xcd/0x170 [ 8314.925623][ T10] do_syscall_64+0xc6/0x1e0 [ 8314.925623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8314.925623][ T10] [ 8314.927608][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8314.927608][ T10] netdev_get_by_index+0x5e/0x80 [ 8314.927608][ T10] fib6_nh_init+0x3d8/0x1580 [ 8314.927608][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8314.927608][ T10] ip6_route_add+0x1c/0x140 [ 8314.927608][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8314.927608][ T10] addrconf_add_dev+0xe2/0x170 [ 8314.927608][ T10] inet6_addr_add+0x12f/0xa40 [ 8314.927608][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8314.927608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8314.927608][ T10] netlink_rcv_skb+0x130/0x360 [ 8314.927608][ T10] netlink_unicast+0x449/0x710 [ 8314.927608][ T10] netlink_sendmsg+0x723/0xbe0 [ 8314.927608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8314.927608][ T10] ___sys_sendmsg+0xee/0x170 [ 8314.927608][ T10] __sys_sendmsg+0xcd/0x170 [ 8314.927608][ T10] do_syscall_64+0xc6/0x1e0 [ 8314.927608][ T10] [ 8314.929564][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8314.929564][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8314.929564][ T10] ipv6_find_idev+0x102/0x170 [ 8314.929564][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8314.929564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8314.929564][ T10] netlink_rcv_skb+0x130/0x360 [ 8314.929564][ T10] netlink_unicast+0x449/0x710 [ 8314.929564][ T10] netlink_sendmsg+0x723/0xbe0 [ 8314.929564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8314.929564][ T10] ___sys_sendmsg+0xee/0x170 [ 8314.929564][ T10] __sys_sendmsg+0xcd/0x170 [ 8314.929564][ T10] do_syscall_64+0xc6/0x1e0 [ 8314.929564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8314.929564][ T10] [ 8314.931093][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8314.931093][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8314.931093][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8314.931093][ T10] ipv6_find_idev+0x102/0x170 [ 8314.931093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8314.931093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8314.931093][ T10] netlink_rcv_skb+0x130/0x360 [ 8314.931093][ T10] netlink_unicast+0x449/0x710 [ 8314.931093][ T10] netlink_sendmsg+0x723/0xbe0 [ 8314.931093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8314.931093][ T10] ___sys_sendmsg+0xee/0x170 [ 8314.931093][ T10] __sys_sendmsg+0xcd/0x170 [ 8314.931093][ T10] do_syscall_64+0xc6/0x1e0 [ 8314.931093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8314.931093][ T10] [ 8314.932764][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8314.933017][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8314.933017][ T10] netdev_get_by_index+0x5e/0x80 [ 8314.933017][ T10] fib6_nh_init+0x3d8/0x1580 [ 8314.933017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8314.933017][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8314.933017][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8314.933017][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8314.933017][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8314.933017][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8314.933017][ T10] addrconf_dad_begin+0x310/0x670 [ 8314.933017][ T10] addrconf_dad_work+0x10b/0xab0 [ 8314.933017][ T10] process_one_work+0x84d/0x18a0 [ 8314.933017][ T10] worker_thread+0x587/0xd30 [ 8314.933017][ T10] kthread+0x28a/0x350 [ 8314.933017][ T10] ret_from_fork+0x31/0x70 [ 8314.933017][ T10] ret_from_fork_asm+0x1a/0x30 [ 8314.933017][ T10] [ 8314.934908][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8314.934908][ T10] netdev_get_by_index+0x5e/0x80 [ 8314.934908][ T10] fib6_nh_init+0x3d8/0x1580 [ 8314.934908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8314.934908][ T10] ip6_route_add+0x1c/0x140 [ 8314.934908][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8314.934908][ T10] inet6_addr_add+0x4f8/0xa40 [ 8314.934908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8314.934908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8314.934908][ T10] netlink_rcv_skb+0x130/0x360 [ 8314.934908][ T10] netlink_unicast+0x449/0x710 [ 8314.934908][ T10] netlink_sendmsg+0x723/0xbe0 [ 8314.934908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8314.934908][ T10] ___sys_sendmsg+0xee/0x170 [ 8314.934908][ T10] __sys_sendmsg+0xcd/0x170 [ 8314.934908][ T10] do_syscall_64+0xc6/0x1e0 [ 8314.934908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8314.934908][ T10] [ 8314.936900][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8314.936900][ T10] netdev_get_by_index+0x5e/0x80 [ 8314.936900][ T10] fib6_nh_init+0x3d8/0x1580 [ 8314.936900][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8314.936900][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8314.936900][ T10] ipv6_add_addr+0x411/0x2000 [ 8314.936900][ T10] inet6_addr_add+0x30e/0xa40 [ 8314.936900][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8314.936900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8314.936900][ T10] netlink_rcv_skb+0x130/0x360 [ 8314.936900][ T10] netlink_unicast+0x449/0x710 [ 8314.936900][ T10] netlink_sendmsg+0x723/0xbe0 [ 8314.936900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8314.936900][ T10] ___sys_sendmsg+0xee/0x170 [ 8314.936900][ T10] __sys_sendmsg+0xcd/0x170 [ 8314.936900][ T10] do_syscall_64+0xc6/0x1e0 [ 8314.936900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8314.936900][ T10] [ 8314.938889][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8314.938889][ T10] netdev_get_by_index+0x5e/0x80 [ 8314.938889][ T10] fib6_nh_init+0x3d8/0x1580 [ 8314.938889][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8314.938889][ T10] ip6_route_add+0x1c/0x140 [ 8314.938889][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8314.938889][ T10] addrconf_add_dev+0xe2/0x170 [ 8314.938889][ T10] inet6_addr_add+0x12f/0xa40 [ 8314.938889][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8314.938889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8314.938889][ T10] netlink_rcv_skb+0x130/0x360 [ 8314.938889][ T10] netlink_unicast+0x449/0x710 [ 8314.938889][ T10] netlink_sendmsg+0x723/0xbe0 [ 8314.938889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8314.938889][ T10] ___sys_sendmsg+0xee/0x170 [ 8314.938889][ T10] __sys_sendmsg+0xcd/0x170 [ 8314.938889][ T10] do_syscall_64+0xc6/0x1e0 [ 8314.938889][ T10] [ 8314.940872][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8314.940872][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8314.940872][ T10] ipv6_find_idev+0x102/0x170 [ 8314.940872][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8314.940872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8314.940872][ T10] netlink_rcv_skb+0x130/0x360 [ 8314.940872][ T10] netlink_unicast+0x449/0x710 [ 8314.940872][ T10] netlink_sendmsg+0x723/0xbe0 [ 8314.940872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8314.940872][ T10] ___sys_sendmsg+0xee/0x170 [ 8314.940872][ T10] __sys_sendmsg+0xcd/0x170 [ 8314.940872][ T10] do_syscall_64+0xc6/0x1e0 [ 8314.940872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8314.940872][ T10] [ 8314.942406][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8314.942406][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8314.942406][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8314.942406][ T10] ipv6_find_idev+0x102/0x170 [ 8314.942406][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8314.942406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8314.942406][ T10] netlink_rcv_skb+0x130/0x360 [ 8314.942406][ T10] netlink_unicast+0x449/0x710 [ 8314.942406][ T10] netlink_sendmsg+0x723/0xbe0 [ 8314.942406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8314.942406][ T10] ___sys_sendmsg+0xee/0x170 [ 8314.942406][ T10] __sys_sendmsg+0xcd/0x170 [ 8314.942406][ T10] do_syscall_64+0xc6/0x1e0 [ 8314.942406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8314.942406][ T10] [ 8314.944081][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8314.944319][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8314.944319][ T10] netdev_get_by_index+0x5e/0x80 [ 8314.944319][ T10] fib6_nh_init+0x3d8/0x1580 [ 8314.944319][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8314.944319][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8314.944319][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8314.944319][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8314.944319][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8314.944319][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8314.944319][ T10] addrconf_dad_begin+0x310/0x670 [ 8314.944319][ T10] addrconf_dad_work+0x10b/0xab0 [ 8314.944319][ T10] process_one_work+0x84d/0x18a0 [ 8314.944319][ T10] worker_thread+0x587/0xd30 [ 8314.944319][ T10] kthread+0x28a/0x350 [ 8314.944319][ T10] ret_from_fork+0x31/0x70 [ 8314.944319][ T10] ret_from_fork_asm+0x1a/0x30 [ 8314.944319][ T10] [ 8314.946211][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8314.946211][ T10] netdev_get_by_index+0x5e/0x80 [ 8314.946211][ T10] fib6_nh_init+0x3d8/0x1580 [ 8314.946211][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8314.946211][ T10] ip6_route_add+0x1c/0x140 [ 8314.946211][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8314.946211][ T10] inet6_addr_add+0x4f8/0xa40 [ 8314.946211][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8314.946211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8314.946211][ T10] netlink_rcv_skb+0x130/0x360 [ 8314.946211][ T10] netlink_unicast+0x449/0x710 [ 8314.946211][ T10] netlink_sendmsg+0x723/0xbe0 [ 8314.946211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8314.946211][ T10] ___sys_sendmsg+0xee/0x170 [ 8314.946211][ T10] __sys_sendmsg+0xcd/0x170 [ 8314.946211][ T10] do_syscall_64+0xc6/0x1e0 [ 8314.946211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8314.946211][ T10] [ 8314.948387][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8314.948387][ T10] netdev_get_by_index+0x5e/0x80 [ 8314.948387][ T10] fib6_nh_init+0x3d8/0x1580 [ 8314.948387][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8314.948387][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8314.948387][ T10] ipv6_add_addr+0x411/0x2000 [ 8314.948387][ T10] inet6_addr_add+0x30e/0xa40 [ 8314.948387][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8314.948387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8314.948387][ T10] netlink_rcv_skb+0x130/0x360 [ 8314.948387][ T10] netlink_unicast+0x449/0x710 [ 8314.948387][ T10] netlink_sendmsg+0x723/0xbe0 [ 8314.948387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8314.948387][ T10] ___sys_sendmsg+0xee/0x170 [ 8314.948387][ T10] __sys_sendmsg+0xcd/0x170 [ 8314.948387][ T10] do_syscall_64+0xc6/0x1e0 [ 8314.948387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8314.948387][ T10] [ 8314.950552][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8314.950552][ T10] netdev_get_by_index+0x5e/0x80 [ 8314.950552][ T10] fib6_nh_init+0x3d8/0x1580 [ 8314.950552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8314.950552][ T10] ip6_route_add+0x1c/0x140 [ 8314.950552][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8314.950552][ T10] addrconf_add_dev+0xe2/0x170 [ 8314.950552][ T10] inet6_addr_add+0x12f/0xa40 [ 8314.950552][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8314.950552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8314.950552][ T10] netlink_rcv_skb+0x130/0x360 [ 8314.950552][ T10] netlink_unicast+0x449/0x710 [ 8314.950552][ T10] netlink_sendmsg+0x723/0xbe0 [ 8314.950552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8314.950552][ T10] ___sys_sendmsg+0xee/0x170 [ 8314.950552][ T10] __sys_sendmsg+0xcd/0x170 [ 8314.950552][ T10] do_syscall_64+0xc6/0x1e0 [ 8314.950552][ T10] [ 8314.952724][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8314.952724][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8314.952724][ T10] ipv6_find_idev+0x102/0x170 [ 8314.952724][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8314.952724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8314.952724][ T10] netlink_rcv_skb+0x130/0x360 [ 8314.952724][ T10] netlink_unicast+0x449/0x710 [ 8314.952724][ T10] netlink_sendmsg+0x723/0xbe0 [ 8314.952724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8314.952724][ T10] ___sys_sendmsg+0xee/0x170 [ 8314.952724][ T10] __sys_sendmsg+0xcd/0x170 [ 8314.952724][ T10] do_syscall_64+0xc6/0x1e0 [ 8314.952724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8314.952724][ T10] [ 8314.954456][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8314.954456][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8314.954456][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8314.954456][ T10] ipv6_find_idev+0x102/0x170 [ 8314.954456][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8314.954456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8314.954456][ T10] netlink_rcv_skb+0x130/0x360 [ 8314.954456][ T10] netlink_unicast+0x449/0x710 [ 8314.954456][ T10] netlink_sendmsg+0x723/0xbe0 [ 8314.954456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8314.954456][ T10] ___sys_sendmsg+0xee/0x170 [ 8314.954456][ T10] __sys_sendmsg+0xcd/0x170 [ 8314.954456][ T10] do_syscall_64+0xc6/0x1e0 [ 8314.954456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8314.954456][ T10] [ 8314.956329][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8314.956569][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8314.956569][ T10] netdev_get_by_index+0x5e/0x80 [ 8314.956569][ T10] fib6_nh_init+0x3d8/0x1580 [ 8314.956569][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8314.956569][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8314.956569][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8314.956569][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8314.956569][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8314.956569][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8314.956569][ T10] addrconf_dad_begin+0x310/0x670 [ 8314.956569][ T10] addrconf_dad_work+0x10b/0xab0 [ 8314.956569][ T10] process_one_work+0x84d/0x18a0 [ 8314.956569][ T10] worker_thread+0x587/0xd30 [ 8314.956569][ T10] kthread+0x28a/0x350 [ 8314.956569][ T10] ret_from_fork+0x31/0x70 [ 8314.956569][ T10] ret_from_fork_asm+0x1a/0x30 [ 8314.956569][ T10] [ 8314.958730][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8314.958730][ T10] netdev_get_by_index+0x5e/0x80 [ 8314.958730][ T10] fib6_nh_init+0x3d8/0x1580 [ 8314.958730][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8314.958730][ T10] ip6_route_add+0x1c/0x140 [ 8314.958730][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8314.958730][ T10] inet6_addr_add+0x4f8/0xa40 [ 8314.958730][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8314.958730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8314.958730][ T10] netlink_rcv_skb+0x130/0x360 [ 8314.958730][ T10] netlink_unicast+0x449/0x710 [ 8314.958730][ T10] netlink_sendmsg+0x723/0xbe0 [ 8314.958730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8314.958730][ T10] ___sys_sendmsg+0xee/0x170 [ 8314.958730][ T10] __sys_sendmsg+0xcd/0x170 [ 8314.958730][ T10] do_syscall_64+0xc6/0x1e0 [ 8314.958730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8314.958730][ T10] [ 8314.961044][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8314.961044][ T10] netdev_get_by_index+0x5e/0x80 [ 8314.961044][ T10] fib6_nh_init+0x3d8/0x1580 [ 8314.961044][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8314.961044][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8314.961044][ T10] ipv6_add_addr+0x411/0x2000 [ 8314.961044][ T10] inet6_addr_add+0x30e/0xa40 [ 8314.961044][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8314.961044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8314.961044][ T10] netlink_rcv_skb+0x130/0x360 [ 8314.961044][ T10] netlink_unicast+0x449/0x710 [ 8314.961044][ T10] netlink_sendmsg+0x723/0xbe0 [ 8314.961044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8314.961044][ T10] ___sys_sendmsg+0xee/0x170 [ 8314.961044][ T10] __sys_sendmsg+0xcd/0x170 [ 8314.961044][ T10] do_syscall_64+0xc6/0x1e0 [ 8314.961044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8314.961044][ T10] [ 8314.963351][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8314.963351][ T10] netdev_get_by_index+0x5e/0x80 [ 8314.963351][ T10] fib6_nh_init+0x3d8/0x1580 [ 8314.963351][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8314.963351][ T10] ip6_route_add+0x1c/0x140 [ 8314.963351][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8314.963351][ T10] addrconf_add_dev+0xe2/0x170 [ 8314.963351][ T10] inet6_addr_add+0x12f/0xa40 [ 8314.963351][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8314.963351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8314.963351][ T10] netlink_rcv_skb+0x130/0x360 [ 8314.963351][ T10] netlink_unicast+0x449/0x710 [ 8314.963351][ T10] netlink_sendmsg+0x723/0xbe0 [ 8314.963351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8314.963351][ T10] ___sys_sendmsg+0xee/0x170 [ 8314.963351][ T10] __sys_sendmsg+0xcd/0x170 [ 8314.963351][ T10] do_syscall_64+0xc6/0x1e0 [ 8314.963351][ T10] [ 8314.965626][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8314.965626][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8314.965626][ T10] ipv6_find_idev+0x102/0x170 [ 8314.965626][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8314.965626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8314.965626][ T10] netlink_rcv_skb+0x130/0x360 [ 8314.965626][ T10] netlink_unicast+0x449/0x710 [ 8314.965626][ T10] netlink_sendmsg+0x723/0xbe0 [ 8314.965626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8314.965626][ T10] ___sys_sendmsg+0xee/0x170 [ 8314.965626][ T10] __sys_sendmsg+0xcd/0x170 [ 8314.965626][ T10] do_syscall_64+0xc6/0x1e0 [ 8314.965626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8314.965626][ T10] [ 8314.967463][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8314.967463][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8314.967463][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8314.967463][ T10] ipv6_find_idev+0x102/0x170 [ 8314.967463][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8314.967463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8314.967463][ T10] netlink_rcv_skb+0x130/0x360 [ 8314.967463][ T10] netlink_unicast+0x449/0x710 [ 8314.967463][ T10] netlink_sendmsg+0x723/0xbe0 [ 8314.967463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8314.967463][ T10] ___sys_sendmsg+0xee/0x170 [ 8314.967463][ T10] __sys_sendmsg+0xcd/0x170 [ 8314.967463][ T10] do_syscall_64+0xc6/0x1e0 [ 8314.967463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8314.967463][ T10] [ 8315.457111][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8315.457515][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8315.457515][ T1167] dst_init+0x84/0x4a0 [ 8315.457515][ T1167] dst_alloc+0x97/0x150 [ 8315.457515][ T1167] ip6_dst_alloc+0x23/0x90 [ 8315.457515][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8315.457515][ T1167] ip6_pol_route+0x56f/0x840 [ 8315.457515][ T1167] fib6_rule_lookup+0x334/0x630 [ 8315.457515][ T1167] ip6_route_output_flags+0x259/0x480 [ 8315.457515][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8315.457515][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8315.457515][ T1167] netlink_rcv_skb+0x130/0x360 [ 8315.457515][ T1167] netlink_unicast+0x449/0x710 [ 8315.457515][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8315.457515][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8315.457515][ T1167] ___sys_sendmsg+0xee/0x170 [ 8315.457515][ T1167] __sys_sendmsg+0xcd/0x170 [ 8315.457515][ T1167] do_syscall_64+0xc6/0x1e0 [ 8315.457515][ T1167] [ 8315.459806][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8315.459806][ T1167] netdev_get_by_index+0x5e/0x80 [ 8315.459806][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8315.459806][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8315.459806][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8315.459806][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8315.459806][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8315.459806][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8315.459806][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8315.459806][ T1167] addrconf_dad_begin+0x310/0x670 [ 8315.459806][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8315.459806][ T1167] process_one_work+0x84d/0x18a0 [ 8315.459806][ T1167] worker_thread+0x587/0xd30 [ 8315.459806][ T1167] kthread+0x28a/0x350 [ 8315.459806][ T1167] ret_from_fork+0x31/0x70 [ 8315.459806][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8315.459806][ T1167] [ 8315.462054][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8315.462054][ T1167] netdev_get_by_index+0x5e/0x80 [ 8315.462054][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8315.462054][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8315.462054][ T1167] ip6_route_add+0x1c/0x140 [ 8315.462054][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8315.462054][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8315.462054][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8315.462054][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8315.462054][ T1167] netlink_rcv_skb+0x130/0x360 [ 8315.462054][ T1167] netlink_unicast+0x449/0x710 [ 8315.462054][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8315.462054][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8315.462054][ T1167] ___sys_sendmsg+0xee/0x170 [ 8315.462054][ T1167] __sys_sendmsg+0xcd/0x170 [ 8315.462054][ T1167] do_syscall_64+0xc6/0x1e0 [ 8315.462054][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8315.462054][ T1167] [ 8315.464393][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8315.464393][ T1167] netdev_get_by_index+0x5e/0x80 [ 8315.464393][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8315.464393][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8315.464393][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8315.464393][ T1167] ipv6_add_addr+0x411/0x2000 [ 8315.464393][ T1167] inet6_addr_add+0x30e/0xa40 [ 8315.464393][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8315.464393][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8315.464393][ T1167] netlink_rcv_skb+0x130/0x360 [ 8315.464393][ T1167] netlink_unicast+0x449/0x710 [ 8315.464393][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8315.464393][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8315.464393][ T1167] ___sys_sendmsg+0xee/0x170 [ 8315.464393][ T1167] __sys_sendmsg+0xcd/0x170 [ 8315.464393][ T1167] do_syscall_64+0xc6/0x1e0 [ 8315.464393][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8315.464393][ T1167] [ 8315.466738][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8315.466738][ T1167] netdev_get_by_index+0x5e/0x80 [ 8315.466738][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8315.466738][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8315.466738][ T1167] ip6_route_add+0x1c/0x140 [ 8315.466738][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8315.466738][ T1167] addrconf_add_dev+0xe2/0x170 [ 8315.466738][ T1167] inet6_addr_add+0x12f/0xa40 [ 8315.466738][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8315.466738][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8315.466738][ T1167] netlink_rcv_skb+0x130/0x360 [ 8315.466738][ T1167] netlink_unicast+0x449/0x710 [ 8315.466738][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8315.466738][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8315.466738][ T1167] ___sys_sendmsg+0xee/0x170 [ 8315.466738][ T1167] __sys_sendmsg+0xcd/0x170 [ 8315.466738][ T1167] do_syscall_64+0xc6/0x1e0 [ 8315.466738][ T1167] [ 8315.469042][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8315.469042][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8315.469042][ T1167] ipv6_find_idev+0x102/0x170 [ 8315.469042][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8315.469042][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8315.469042][ T1167] netlink_rcv_skb+0x130/0x360 [ 8315.469042][ T1167] netlink_unicast+0x449/0x710 [ 8315.469042][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8315.469042][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8315.469042][ T1167] ___sys_sendmsg+0xee/0x170 [ 8315.469042][ T1167] __sys_sendmsg+0xcd/0x170 [ 8315.469042][ T1167] do_syscall_64+0xc6/0x1e0 [ 8315.469042][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8315.469042][ T1167] [ 8315.470857][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8315.470857][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8315.470857][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8315.470857][ T1167] ipv6_find_idev+0x102/0x170 [ 8315.470857][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8315.470857][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8315.470857][ T1167] netlink_rcv_skb+0x130/0x360 [ 8315.470857][ T1167] netlink_unicast+0x449/0x710 [ 8315.470857][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8315.470857][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8315.470857][ T1167] ___sys_sendmsg+0xee/0x170 [ 8315.470857][ T1167] __sys_sendmsg+0xcd/0x170 [ 8315.470857][ T1167] do_syscall_64+0xc6/0x1e0 [ 8315.470857][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8315.470857][ T1167] [ 8325.001114][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8325.001533][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8325.001533][ T10] netdev_get_by_index+0x5e/0x80 [ 8325.001533][ T10] fib6_nh_init+0x3d8/0x1580 [ 8325.001533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8325.001533][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8325.001533][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8325.001533][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8325.001533][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8325.001533][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8325.001533][ T10] addrconf_dad_begin+0x310/0x670 [ 8325.001533][ T10] addrconf_dad_work+0x10b/0xab0 [ 8325.001533][ T10] process_one_work+0x84d/0x18a0 [ 8325.001533][ T10] worker_thread+0x587/0xd30 [ 8325.001533][ T10] kthread+0x28a/0x350 [ 8325.001533][ T10] ret_from_fork+0x31/0x70 [ 8325.001533][ T10] ret_from_fork_asm+0x1a/0x30 [ 8325.001533][ T10] [ 8325.003550][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8325.003550][ T10] netdev_get_by_index+0x5e/0x80 [ 8325.003550][ T10] fib6_nh_init+0x3d8/0x1580 [ 8325.003550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8325.003550][ T10] ip6_route_add+0x1c/0x140 [ 8325.003550][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8325.003550][ T10] inet6_addr_add+0x4f8/0xa40 [ 8325.003550][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8325.003550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8325.003550][ T10] netlink_rcv_skb+0x130/0x360 [ 8325.003550][ T10] netlink_unicast+0x449/0x710 [ 8325.003550][ T10] netlink_sendmsg+0x723/0xbe0 [ 8325.003550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8325.003550][ T10] ___sys_sendmsg+0xee/0x170 [ 8325.003550][ T10] __sys_sendmsg+0xcd/0x170 [ 8325.003550][ T10] do_syscall_64+0xc6/0x1e0 [ 8325.003550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8325.003550][ T10] [ 8325.005598][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8325.005598][ T10] netdev_get_by_index+0x5e/0x80 [ 8325.005598][ T10] fib6_nh_init+0x3d8/0x1580 [ 8325.005598][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8325.005598][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8325.005598][ T10] ipv6_add_addr+0x411/0x2000 [ 8325.005598][ T10] inet6_addr_add+0x30e/0xa40 [ 8325.005598][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8325.005598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8325.005598][ T10] netlink_rcv_skb+0x130/0x360 [ 8325.005598][ T10] netlink_unicast+0x449/0x710 [ 8325.005598][ T10] netlink_sendmsg+0x723/0xbe0 [ 8325.005598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8325.005598][ T10] ___sys_sendmsg+0xee/0x170 [ 8325.005598][ T10] __sys_sendmsg+0xcd/0x170 [ 8325.005598][ T10] do_syscall_64+0xc6/0x1e0 [ 8325.005598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8325.005598][ T10] [ 8325.007599][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8325.007599][ T10] netdev_get_by_index+0x5e/0x80 [ 8325.007599][ T10] fib6_nh_init+0x3d8/0x1580 [ 8325.007599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8325.007599][ T10] ip6_route_add+0x1c/0x140 [ 8325.007599][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8325.007599][ T10] addrconf_add_dev+0xe2/0x170 [ 8325.007599][ T10] inet6_addr_add+0x12f/0xa40 [ 8325.007599][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8325.007599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8325.007599][ T10] netlink_rcv_skb+0x130/0x360 [ 8325.007599][ T10] netlink_unicast+0x449/0x710 [ 8325.007599][ T10] netlink_sendmsg+0x723/0xbe0 [ 8325.007599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8325.007599][ T10] ___sys_sendmsg+0xee/0x170 [ 8325.007599][ T10] __sys_sendmsg+0xcd/0x170 [ 8325.007599][ T10] do_syscall_64+0xc6/0x1e0 [ 8325.007599][ T10] [ 8325.009564][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8325.009564][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8325.009564][ T10] ipv6_find_idev+0x102/0x170 [ 8325.009564][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8325.009564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8325.009564][ T10] netlink_rcv_skb+0x130/0x360 [ 8325.009564][ T10] netlink_unicast+0x449/0x710 [ 8325.009564][ T10] netlink_sendmsg+0x723/0xbe0 [ 8325.009564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8325.009564][ T10] ___sys_sendmsg+0xee/0x170 [ 8325.009564][ T10] __sys_sendmsg+0xcd/0x170 [ 8325.009564][ T10] do_syscall_64+0xc6/0x1e0 [ 8325.009564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8325.009564][ T10] [ 8325.011097][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8325.011097][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8325.011097][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8325.011097][ T10] ipv6_find_idev+0x102/0x170 [ 8325.011097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8325.011097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8325.011097][ T10] netlink_rcv_skb+0x130/0x360 [ 8325.011097][ T10] netlink_unicast+0x449/0x710 [ 8325.011097][ T10] netlink_sendmsg+0x723/0xbe0 [ 8325.011097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8325.011097][ T10] ___sys_sendmsg+0xee/0x170 [ 8325.011097][ T10] __sys_sendmsg+0xcd/0x170 [ 8325.011097][ T10] do_syscall_64+0xc6/0x1e0 [ 8325.011097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8325.011097][ T10] [ 8325.012778][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8325.013028][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8325.013028][ T10] netdev_get_by_index+0x5e/0x80 [ 8325.013028][ T10] fib6_nh_init+0x3d8/0x1580 [ 8325.013028][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8325.013028][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8325.013028][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8325.013028][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8325.013028][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8325.013028][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8325.013028][ T10] addrconf_dad_begin+0x310/0x670 [ 8325.013028][ T10] addrconf_dad_work+0x10b/0xab0 [ 8325.013028][ T10] process_one_work+0x84d/0x18a0 [ 8325.013028][ T10] worker_thread+0x587/0xd30 [ 8325.013028][ T10] kthread+0x28a/0x350 [ 8325.013028][ T10] ret_from_fork+0x31/0x70 [ 8325.013028][ T10] ret_from_fork_asm+0x1a/0x30 [ 8325.013028][ T10] [ 8325.014918][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8325.014918][ T10] netdev_get_by_index+0x5e/0x80 [ 8325.014918][ T10] fib6_nh_init+0x3d8/0x1580 [ 8325.014918][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8325.014918][ T10] ip6_route_add+0x1c/0x140 [ 8325.014918][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8325.014918][ T10] inet6_addr_add+0x4f8/0xa40 [ 8325.014918][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8325.014918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8325.014918][ T10] netlink_rcv_skb+0x130/0x360 [ 8325.014918][ T10] netlink_unicast+0x449/0x710 [ 8325.014918][ T10] netlink_sendmsg+0x723/0xbe0 [ 8325.014918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8325.014918][ T10] ___sys_sendmsg+0xee/0x170 [ 8325.014918][ T10] __sys_sendmsg+0xcd/0x170 [ 8325.014918][ T10] do_syscall_64+0xc6/0x1e0 [ 8325.014918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8325.014918][ T10] [ 8325.016905][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8325.016905][ T10] netdev_get_by_index+0x5e/0x80 [ 8325.016905][ T10] fib6_nh_init+0x3d8/0x1580 [ 8325.016905][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8325.016905][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8325.016905][ T10] ipv6_add_addr+0x411/0x2000 [ 8325.016905][ T10] inet6_addr_add+0x30e/0xa40 [ 8325.016905][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8325.016905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8325.016905][ T10] netlink_rcv_skb+0x130/0x360 [ 8325.016905][ T10] netlink_unicast+0x449/0x710 [ 8325.016905][ T10] netlink_sendmsg+0x723/0xbe0 [ 8325.016905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8325.016905][ T10] ___sys_sendmsg+0xee/0x170 [ 8325.016905][ T10] __sys_sendmsg+0xcd/0x170 [ 8325.016905][ T10] do_syscall_64+0xc6/0x1e0 [ 8325.016905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8325.016905][ T10] [ 8325.018887][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8325.018887][ T10] netdev_get_by_index+0x5e/0x80 [ 8325.018887][ T10] fib6_nh_init+0x3d8/0x1580 [ 8325.018887][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8325.018887][ T10] ip6_route_add+0x1c/0x140 [ 8325.018887][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8325.018887][ T10] addrconf_add_dev+0xe2/0x170 [ 8325.018887][ T10] inet6_addr_add+0x12f/0xa40 [ 8325.018887][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8325.018887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8325.018887][ T10] netlink_rcv_skb+0x130/0x360 [ 8325.018887][ T10] netlink_unicast+0x449/0x710 [ 8325.018887][ T10] netlink_sendmsg+0x723/0xbe0 [ 8325.018887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8325.018887][ T10] ___sys_sendmsg+0xee/0x170 [ 8325.018887][ T10] __sys_sendmsg+0xcd/0x170 [ 8325.018887][ T10] do_syscall_64+0xc6/0x1e0 [ 8325.018887][ T10] [ 8325.021228][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8325.021228][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8325.021228][ T10] ipv6_find_idev+0x102/0x170 [ 8325.021228][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8325.021228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8325.021228][ T10] netlink_rcv_skb+0x130/0x360 [ 8325.021228][ T10] netlink_unicast+0x449/0x710 [ 8325.021228][ T10] netlink_sendmsg+0x723/0xbe0 [ 8325.021228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8325.021228][ T10] ___sys_sendmsg+0xee/0x170 [ 8325.021228][ T10] __sys_sendmsg+0xcd/0x170 [ 8325.021228][ T10] do_syscall_64+0xc6/0x1e0 [ 8325.021228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8325.021228][ T10] [ 8325.023042][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8325.023042][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8325.023042][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8325.023042][ T10] ipv6_find_idev+0x102/0x170 [ 8325.023042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8325.023042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8325.023042][ T10] netlink_rcv_skb+0x130/0x360 [ 8325.023042][ T10] netlink_unicast+0x449/0x710 [ 8325.023042][ T10] netlink_sendmsg+0x723/0xbe0 [ 8325.023042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8325.023042][ T10] ___sys_sendmsg+0xee/0x170 [ 8325.023042][ T10] __sys_sendmsg+0xcd/0x170 [ 8325.023042][ T10] do_syscall_64+0xc6/0x1e0 [ 8325.023042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8325.023042][ T10] [ 8325.025019][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8325.025293][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8325.025293][ T10] netdev_get_by_index+0x5e/0x80 [ 8325.025293][ T10] fib6_nh_init+0x3d8/0x1580 [ 8325.025293][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8325.025293][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8325.025293][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8325.025293][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8325.025293][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8325.025293][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8325.025293][ T10] addrconf_dad_begin+0x310/0x670 [ 8325.025293][ T10] addrconf_dad_work+0x10b/0xab0 [ 8325.025293][ T10] process_one_work+0x84d/0x18a0 [ 8325.025293][ T10] worker_thread+0x587/0xd30 [ 8325.025293][ T10] kthread+0x28a/0x350 [ 8325.025293][ T10] ret_from_fork+0x31/0x70 [ 8325.025293][ T10] ret_from_fork_asm+0x1a/0x30 [ 8325.025293][ T10] [ 8325.027556][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8325.027556][ T10] netdev_get_by_index+0x5e/0x80 [ 8325.027556][ T10] fib6_nh_init+0x3d8/0x1580 [ 8325.027556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8325.027556][ T10] ip6_route_add+0x1c/0x140 [ 8325.027556][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8325.027556][ T10] inet6_addr_add+0x4f8/0xa40 [ 8325.027556][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8325.027556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8325.027556][ T10] netlink_rcv_skb+0x130/0x360 [ 8325.027556][ T10] netlink_unicast+0x449/0x710 [ 8325.027556][ T10] netlink_sendmsg+0x723/0xbe0 [ 8325.027556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8325.027556][ T10] ___sys_sendmsg+0xee/0x170 [ 8325.027556][ T10] __sys_sendmsg+0xcd/0x170 [ 8325.027556][ T10] do_syscall_64+0xc6/0x1e0 [ 8325.027556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8325.027556][ T10] [ 8325.030057][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8325.030057][ T10] netdev_get_by_index+0x5e/0x80 [ 8325.030057][ T10] fib6_nh_init+0x3d8/0x1580 [ 8325.030057][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8325.030057][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8325.030057][ T10] ipv6_add_addr+0x411/0x2000 [ 8325.030057][ T10] inet6_addr_add+0x30e/0xa40 [ 8325.030057][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8325.030057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8325.030057][ T10] netlink_rcv_skb+0x130/0x360 [ 8325.030057][ T10] netlink_unicast+0x449/0x710 [ 8325.030057][ T10] netlink_sendmsg+0x723/0xbe0 [ 8325.030057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8325.030057][ T10] ___sys_sendmsg+0xee/0x170 [ 8325.030057][ T10] __sys_sendmsg+0xcd/0x170 [ 8325.030057][ T10] do_syscall_64+0xc6/0x1e0 [ 8325.030057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8325.030057][ T10] [ 8325.032478][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8325.032478][ T10] netdev_get_by_index+0x5e/0x80 [ 8325.032478][ T10] fib6_nh_init+0x3d8/0x1580 [ 8325.032478][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8325.032478][ T10] ip6_route_add+0x1c/0x140 [ 8325.032478][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8325.032478][ T10] addrconf_add_dev+0xe2/0x170 [ 8325.032478][ T10] inet6_addr_add+0x12f/0xa40 [ 8325.032478][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8325.032478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8325.032478][ T10] netlink_rcv_skb+0x130/0x360 [ 8325.032478][ T10] netlink_unicast+0x449/0x710 [ 8325.032478][ T10] netlink_sendmsg+0x723/0xbe0 [ 8325.032478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8325.032478][ T10] ___sys_sendmsg+0xee/0x170 [ 8325.032478][ T10] __sys_sendmsg+0xcd/0x170 [ 8325.032478][ T10] do_syscall_64+0xc6/0x1e0 [ 8325.032478][ T10] [ 8325.034863][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8325.034863][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8325.034863][ T10] ipv6_find_idev+0x102/0x170 [ 8325.034863][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8325.034863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8325.034863][ T10] netlink_rcv_skb+0x130/0x360 [ 8325.034863][ T10] netlink_unicast+0x449/0x710 [ 8325.034863][ T10] netlink_sendmsg+0x723/0xbe0 [ 8325.034863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8325.034863][ T10] ___sys_sendmsg+0xee/0x170 [ 8325.034863][ T10] __sys_sendmsg+0xcd/0x170 [ 8325.034863][ T10] do_syscall_64+0xc6/0x1e0 [ 8325.034863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8325.034863][ T10] [ 8325.036743][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8325.036743][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8325.036743][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8325.036743][ T10] ipv6_find_idev+0x102/0x170 [ 8325.036743][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8325.036743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8325.036743][ T10] netlink_rcv_skb+0x130/0x360 [ 8325.036743][ T10] netlink_unicast+0x449/0x710 [ 8325.036743][ T10] netlink_sendmsg+0x723/0xbe0 [ 8325.036743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8325.036743][ T10] ___sys_sendmsg+0xee/0x170 [ 8325.036743][ T10] __sys_sendmsg+0xcd/0x170 [ 8325.036743][ T10] do_syscall_64+0xc6/0x1e0 [ 8325.036743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8325.036743][ T10] [ 8325.038795][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8325.039511][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8325.039511][ T10] netdev_get_by_index+0x5e/0x80 [ 8325.039511][ T10] fib6_nh_init+0x3d8/0x1580 [ 8325.039511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8325.039511][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8325.039511][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8325.039511][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8325.039511][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8325.039511][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8325.039511][ T10] addrconf_dad_begin+0x310/0x670 [ 8325.039511][ T10] addrconf_dad_work+0x10b/0xab0 [ 8325.039511][ T10] process_one_work+0x84d/0x18a0 [ 8325.039511][ T10] worker_thread+0x587/0xd30 [ 8325.039511][ T10] kthread+0x28a/0x350 [ 8325.039511][ T10] ret_from_fork+0x31/0x70 [ 8325.039511][ T10] ret_from_fork_asm+0x1a/0x30 [ 8325.039511][ T10] [ 8325.041692][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8325.041692][ T10] netdev_get_by_index+0x5e/0x80 [ 8325.041692][ T10] fib6_nh_init+0x3d8/0x1580 [ 8325.041692][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8325.041692][ T10] ip6_route_add+0x1c/0x140 [ 8325.041692][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8325.041692][ T10] inet6_addr_add+0x4f8/0xa40 [ 8325.041692][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8325.041692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8325.041692][ T10] netlink_rcv_skb+0x130/0x360 [ 8325.041692][ T10] netlink_unicast+0x449/0x710 [ 8325.041692][ T10] netlink_sendmsg+0x723/0xbe0 [ 8325.041692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8325.041692][ T10] ___sys_sendmsg+0xee/0x170 [ 8325.041692][ T10] __sys_sendmsg+0xcd/0x170 [ 8325.041692][ T10] do_syscall_64+0xc6/0x1e0 [ 8325.041692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8325.041692][ T10] [ 8325.043847][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8325.043847][ T10] netdev_get_by_index+0x5e/0x80 [ 8325.043847][ T10] fib6_nh_init+0x3d8/0x1580 [ 8325.043847][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8325.043847][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8325.043847][ T10] ipv6_add_addr+0x411/0x2000 [ 8325.043847][ T10] inet6_addr_add+0x30e/0xa40 [ 8325.043847][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8325.043847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8325.043847][ T10] netlink_rcv_skb+0x130/0x360 [ 8325.043847][ T10] netlink_unicast+0x449/0x710 [ 8325.043847][ T10] netlink_sendmsg+0x723/0xbe0 [ 8325.043847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8325.043847][ T10] ___sys_sendmsg+0xee/0x170 [ 8325.043847][ T10] __sys_sendmsg+0xcd/0x170 [ 8325.043847][ T10] do_syscall_64+0xc6/0x1e0 [ 8325.043847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8325.043847][ T10] [ 8325.046063][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8325.046063][ T10] netdev_get_by_index+0x5e/0x80 [ 8325.046063][ T10] fib6_nh_init+0x3d8/0x1580 [ 8325.046063][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8325.046063][ T10] ip6_route_add+0x1c/0x140 [ 8325.046063][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8325.046063][ T10] addrconf_add_dev+0xe2/0x170 [ 8325.046063][ T10] inet6_addr_add+0x12f/0xa40 [ 8325.046063][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8325.046063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8325.046063][ T10] netlink_rcv_skb+0x130/0x360 [ 8325.046063][ T10] netlink_unicast+0x449/0x710 [ 8325.046063][ T10] netlink_sendmsg+0x723/0xbe0 [ 8325.046063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8325.046063][ T10] ___sys_sendmsg+0xee/0x170 [ 8325.046063][ T10] __sys_sendmsg+0xcd/0x170 [ 8325.046063][ T10] do_syscall_64+0xc6/0x1e0 [ 8325.046063][ T10] [ 8325.048262][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8325.048262][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8325.048262][ T10] ipv6_find_idev+0x102/0x170 [ 8325.048262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8325.048262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8325.048262][ T10] netlink_rcv_skb+0x130/0x360 [ 8325.048262][ T10] netlink_unicast+0x449/0x710 [ 8325.048262][ T10] netlink_sendmsg+0x723/0xbe0 [ 8325.048262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8325.048262][ T10] ___sys_sendmsg+0xee/0x170 [ 8325.048262][ T10] __sys_sendmsg+0xcd/0x170 [ 8325.048262][ T10] do_syscall_64+0xc6/0x1e0 [ 8325.048262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8325.048262][ T10] [ 8325.050450][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8325.050450][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8325.050450][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8325.050450][ T10] ipv6_find_idev+0x102/0x170 [ 8325.050450][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8325.050450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8325.050450][ T10] netlink_rcv_skb+0x130/0x360 [ 8325.050450][ T10] netlink_unicast+0x449/0x710 [ 8325.050450][ T10] netlink_sendmsg+0x723/0xbe0 [ 8325.050450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8325.050450][ T10] ___sys_sendmsg+0xee/0x170 [ 8325.050450][ T10] __sys_sendmsg+0xcd/0x170 [ 8325.050450][ T10] do_syscall_64+0xc6/0x1e0 [ 8325.050450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8325.050450][ T10] [ 8325.713129][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8325.713588][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8325.713588][ T1167] dst_init+0x84/0x4a0 [ 8325.713588][ T1167] dst_alloc+0x97/0x150 [ 8325.713588][ T1167] ip6_dst_alloc+0x23/0x90 [ 8325.713588][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8325.713588][ T1167] ip6_pol_route+0x56f/0x840 [ 8325.713588][ T1167] fib6_rule_lookup+0x334/0x630 [ 8325.713588][ T1167] ip6_route_output_flags+0x259/0x480 [ 8325.713588][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8325.713588][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8325.713588][ T1167] netlink_rcv_skb+0x130/0x360 [ 8325.713588][ T1167] netlink_unicast+0x449/0x710 [ 8325.713588][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8325.713588][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8325.713588][ T1167] ___sys_sendmsg+0xee/0x170 [ 8325.713588][ T1167] __sys_sendmsg+0xcd/0x170 [ 8325.713588][ T1167] do_syscall_64+0xc6/0x1e0 [ 8325.713588][ T1167] [ 8325.715883][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8325.715883][ T1167] netdev_get_by_index+0x5e/0x80 [ 8325.715883][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8325.715883][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8325.715883][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8325.715883][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8325.715883][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8325.715883][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8325.715883][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8325.715883][ T1167] addrconf_dad_begin+0x310/0x670 [ 8325.715883][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8325.715883][ T1167] process_one_work+0x84d/0x18a0 [ 8325.715883][ T1167] worker_thread+0x587/0xd30 [ 8325.715883][ T1167] kthread+0x28a/0x350 [ 8325.715883][ T1167] ret_from_fork+0x31/0x70 [ 8325.715883][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8325.715883][ T1167] [ 8325.718131][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8325.718131][ T1167] netdev_get_by_index+0x5e/0x80 [ 8325.718131][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8325.718131][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8325.718131][ T1167] ip6_route_add+0x1c/0x140 [ 8325.718131][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8325.718131][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8325.718131][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8325.718131][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8325.718131][ T1167] netlink_rcv_skb+0x130/0x360 [ 8325.718131][ T1167] netlink_unicast+0x449/0x710 [ 8325.718131][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8325.718131][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8325.718131][ T1167] ___sys_sendmsg+0xee/0x170 [ 8325.718131][ T1167] __sys_sendmsg+0xcd/0x170 [ 8325.718131][ T1167] do_syscall_64+0xc6/0x1e0 [ 8325.718131][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8325.718131][ T1167] [ 8325.720493][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8325.720493][ T1167] netdev_get_by_index+0x5e/0x80 [ 8325.720493][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8325.720493][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8325.720493][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8325.720493][ T1167] ipv6_add_addr+0x411/0x2000 [ 8325.720493][ T1167] inet6_addr_add+0x30e/0xa40 [ 8325.720493][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8325.720493][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8325.720493][ T1167] netlink_rcv_skb+0x130/0x360 [ 8325.720493][ T1167] netlink_unicast+0x449/0x710 [ 8325.720493][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8325.720493][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8325.720493][ T1167] ___sys_sendmsg+0xee/0x170 [ 8325.720493][ T1167] __sys_sendmsg+0xcd/0x170 [ 8325.720493][ T1167] do_syscall_64+0xc6/0x1e0 [ 8325.720493][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8325.720493][ T1167] [ 8325.722837][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8325.722837][ T1167] netdev_get_by_index+0x5e/0x80 [ 8325.722837][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8325.722837][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8325.722837][ T1167] ip6_route_add+0x1c/0x140 [ 8325.722837][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8325.722837][ T1167] addrconf_add_dev+0xe2/0x170 [ 8325.722837][ T1167] inet6_addr_add+0x12f/0xa40 [ 8325.722837][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8325.722837][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8325.722837][ T1167] netlink_rcv_skb+0x130/0x360 [ 8325.722837][ T1167] netlink_unicast+0x449/0x710 [ 8325.722837][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8325.722837][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8325.722837][ T1167] ___sys_sendmsg+0xee/0x170 [ 8325.722837][ T1167] __sys_sendmsg+0xcd/0x170 [ 8325.722837][ T1167] do_syscall_64+0xc6/0x1e0 [ 8325.722837][ T1167] [ 8325.725141][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8325.725141][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8325.725141][ T1167] ipv6_find_idev+0x102/0x170 [ 8325.725141][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8325.725141][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8325.725141][ T1167] netlink_rcv_skb+0x130/0x360 [ 8325.725141][ T1167] netlink_unicast+0x449/0x710 [ 8325.725141][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8325.725141][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8325.725141][ T1167] ___sys_sendmsg+0xee/0x170 [ 8325.725141][ T1167] __sys_sendmsg+0xcd/0x170 [ 8325.725141][ T1167] do_syscall_64+0xc6/0x1e0 [ 8325.725141][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8325.725141][ T1167] [ 8325.726945][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8325.726945][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8325.726945][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8325.726945][ T1167] ipv6_find_idev+0x102/0x170 [ 8325.726945][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8325.726945][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8325.726945][ T1167] netlink_rcv_skb+0x130/0x360 [ 8325.726945][ T1167] netlink_unicast+0x449/0x710 [ 8325.726945][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8325.726945][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8325.726945][ T1167] ___sys_sendmsg+0xee/0x170 [ 8325.726945][ T1167] __sys_sendmsg+0xcd/0x170 [ 8325.726945][ T1167] do_syscall_64+0xc6/0x1e0 [ 8325.726945][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8325.726945][ T1167] [ 8335.161044][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8335.161484][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8335.161484][ T10] netdev_get_by_index+0x5e/0x80 [ 8335.161484][ T10] fib6_nh_init+0x3d8/0x1580 [ 8335.161484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8335.161484][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8335.161484][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8335.161484][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8335.161484][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8335.161484][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8335.161484][ T10] addrconf_dad_begin+0x310/0x670 [ 8335.161484][ T10] addrconf_dad_work+0x10b/0xab0 [ 8335.161484][ T10] process_one_work+0x84d/0x18a0 [ 8335.161484][ T10] worker_thread+0x587/0xd30 [ 8335.161484][ T10] kthread+0x28a/0x350 [ 8335.161484][ T10] ret_from_fork+0x31/0x70 [ 8335.161484][ T10] ret_from_fork_asm+0x1a/0x30 [ 8335.161484][ T10] [ 8335.163493][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8335.163493][ T10] netdev_get_by_index+0x5e/0x80 [ 8335.163493][ T10] fib6_nh_init+0x3d8/0x1580 [ 8335.163493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8335.163493][ T10] ip6_route_add+0x1c/0x140 [ 8335.163493][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8335.163493][ T10] inet6_addr_add+0x4f8/0xa40 [ 8335.163493][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8335.163493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8335.163493][ T10] netlink_rcv_skb+0x130/0x360 [ 8335.163493][ T10] netlink_unicast+0x449/0x710 [ 8335.163493][ T10] netlink_sendmsg+0x723/0xbe0 [ 8335.163493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8335.163493][ T10] ___sys_sendmsg+0xee/0x170 [ 8335.163493][ T10] __sys_sendmsg+0xcd/0x170 [ 8335.163493][ T10] do_syscall_64+0xc6/0x1e0 [ 8335.163493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8335.163493][ T10] [ 8335.165574][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8335.165574][ T10] netdev_get_by_index+0x5e/0x80 [ 8335.165574][ T10] fib6_nh_init+0x3d8/0x1580 [ 8335.165574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8335.165574][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8335.165574][ T10] ipv6_add_addr+0x411/0x2000 [ 8335.165574][ T10] inet6_addr_add+0x30e/0xa40 [ 8335.165574][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8335.165574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8335.165574][ T10] netlink_rcv_skb+0x130/0x360 [ 8335.165574][ T10] netlink_unicast+0x449/0x710 [ 8335.165574][ T10] netlink_sendmsg+0x723/0xbe0 [ 8335.165574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8335.165574][ T10] ___sys_sendmsg+0xee/0x170 [ 8335.165574][ T10] __sys_sendmsg+0xcd/0x170 [ 8335.165574][ T10] do_syscall_64+0xc6/0x1e0 [ 8335.165574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8335.165574][ T10] [ 8335.167659][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8335.167659][ T10] netdev_get_by_index+0x5e/0x80 [ 8335.167659][ T10] fib6_nh_init+0x3d8/0x1580 [ 8335.167659][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8335.167659][ T10] ip6_route_add+0x1c/0x140 [ 8335.167659][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8335.167659][ T10] addrconf_add_dev+0xe2/0x170 [ 8335.167659][ T10] inet6_addr_add+0x12f/0xa40 [ 8335.167659][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8335.167659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8335.167659][ T10] netlink_rcv_skb+0x130/0x360 [ 8335.167659][ T10] netlink_unicast+0x449/0x710 [ 8335.167659][ T10] netlink_sendmsg+0x723/0xbe0 [ 8335.167659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8335.167659][ T10] ___sys_sendmsg+0xee/0x170 [ 8335.167659][ T10] __sys_sendmsg+0xcd/0x170 [ 8335.167659][ T10] do_syscall_64+0xc6/0x1e0 [ 8335.167659][ T10] [ 8335.169709][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8335.169709][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8335.169709][ T10] ipv6_find_idev+0x102/0x170 [ 8335.169709][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8335.169709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8335.169709][ T10] netlink_rcv_skb+0x130/0x360 [ 8335.169709][ T10] netlink_unicast+0x449/0x710 [ 8335.169709][ T10] netlink_sendmsg+0x723/0xbe0 [ 8335.169709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8335.169709][ T10] ___sys_sendmsg+0xee/0x170 [ 8335.169709][ T10] __sys_sendmsg+0xcd/0x170 [ 8335.169709][ T10] do_syscall_64+0xc6/0x1e0 [ 8335.169709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8335.169709][ T10] [ 8335.171306][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8335.171306][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8335.171306][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8335.171306][ T10] ipv6_find_idev+0x102/0x170 [ 8335.171306][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8335.171306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8335.171306][ T10] netlink_rcv_skb+0x130/0x360 [ 8335.171306][ T10] netlink_unicast+0x449/0x710 [ 8335.171306][ T10] netlink_sendmsg+0x723/0xbe0 [ 8335.171306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8335.171306][ T10] ___sys_sendmsg+0xee/0x170 [ 8335.171306][ T10] __sys_sendmsg+0xcd/0x170 [ 8335.171306][ T10] do_syscall_64+0xc6/0x1e0 [ 8335.171306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8335.171306][ T10] [ 8335.173061][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8335.173336][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8335.173336][ T10] netdev_get_by_index+0x5e/0x80 [ 8335.173336][ T10] fib6_nh_init+0x3d8/0x1580 [ 8335.173336][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8335.173336][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8335.173336][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8335.173336][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8335.173336][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8335.173336][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8335.173336][ T10] addrconf_dad_begin+0x310/0x670 [ 8335.173336][ T10] addrconf_dad_work+0x10b/0xab0 [ 8335.173336][ T10] process_one_work+0x84d/0x18a0 [ 8335.173336][ T10] worker_thread+0x587/0xd30 [ 8335.173336][ T10] kthread+0x28a/0x350 [ 8335.173336][ T10] ret_from_fork+0x31/0x70 [ 8335.173336][ T10] ret_from_fork_asm+0x1a/0x30 [ 8335.173336][ T10] [ 8335.175315][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8335.175315][ T10] netdev_get_by_index+0x5e/0x80 [ 8335.175315][ T10] fib6_nh_init+0x3d8/0x1580 [ 8335.175315][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8335.175315][ T10] ip6_route_add+0x1c/0x140 [ 8335.175315][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8335.175315][ T10] inet6_addr_add+0x4f8/0xa40 [ 8335.175315][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8335.175315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8335.175315][ T10] netlink_rcv_skb+0x130/0x360 [ 8335.175315][ T10] netlink_unicast+0x449/0x710 [ 8335.175315][ T10] netlink_sendmsg+0x723/0xbe0 [ 8335.175315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8335.175315][ T10] ___sys_sendmsg+0xee/0x170 [ 8335.175315][ T10] __sys_sendmsg+0xcd/0x170 [ 8335.175315][ T10] do_syscall_64+0xc6/0x1e0 [ 8335.175315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8335.175315][ T10] [ 8335.177385][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8335.177385][ T10] netdev_get_by_index+0x5e/0x80 [ 8335.177385][ T10] fib6_nh_init+0x3d8/0x1580 [ 8335.177385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8335.177385][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8335.177385][ T10] ipv6_add_addr+0x411/0x2000 [ 8335.177385][ T10] inet6_addr_add+0x30e/0xa40 [ 8335.177385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8335.177385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8335.177385][ T10] netlink_rcv_skb+0x130/0x360 [ 8335.177385][ T10] netlink_unicast+0x449/0x710 [ 8335.177385][ T10] netlink_sendmsg+0x723/0xbe0 [ 8335.177385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8335.177385][ T10] ___sys_sendmsg+0xee/0x170 [ 8335.177385][ T10] __sys_sendmsg+0xcd/0x170 [ 8335.177385][ T10] do_syscall_64+0xc6/0x1e0 [ 8335.177385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8335.177385][ T10] [ 8335.179458][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8335.179458][ T10] netdev_get_by_index+0x5e/0x80 [ 8335.179458][ T10] fib6_nh_init+0x3d8/0x1580 [ 8335.179458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8335.179458][ T10] ip6_route_add+0x1c/0x140 [ 8335.179458][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8335.179458][ T10] addrconf_add_dev+0xe2/0x170 [ 8335.179458][ T10] inet6_addr_add+0x12f/0xa40 [ 8335.179458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8335.179458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8335.179458][ T10] netlink_rcv_skb+0x130/0x360 [ 8335.179458][ T10] netlink_unicast+0x449/0x710 [ 8335.179458][ T10] netlink_sendmsg+0x723/0xbe0 [ 8335.179458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8335.179458][ T10] ___sys_sendmsg+0xee/0x170 [ 8335.179458][ T10] __sys_sendmsg+0xcd/0x170 [ 8335.179458][ T10] do_syscall_64+0xc6/0x1e0 [ 8335.179458][ T10] [ 8335.181509][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8335.181509][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8335.181509][ T10] ipv6_find_idev+0x102/0x170 [ 8335.181509][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8335.181509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8335.181509][ T10] netlink_rcv_skb+0x130/0x360 [ 8335.181509][ T10] netlink_unicast+0x449/0x710 [ 8335.181509][ T10] netlink_sendmsg+0x723/0xbe0 [ 8335.181509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8335.181509][ T10] ___sys_sendmsg+0xee/0x170 [ 8335.181509][ T10] __sys_sendmsg+0xcd/0x170 [ 8335.181509][ T10] do_syscall_64+0xc6/0x1e0 [ 8335.181509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8335.181509][ T10] [ 8335.183105][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8335.183105][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8335.183105][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8335.183105][ T10] ipv6_find_idev+0x102/0x170 [ 8335.183105][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8335.183105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8335.183105][ T10] netlink_rcv_skb+0x130/0x360 [ 8335.183105][ T10] netlink_unicast+0x449/0x710 [ 8335.183105][ T10] netlink_sendmsg+0x723/0xbe0 [ 8335.183105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8335.183105][ T10] ___sys_sendmsg+0xee/0x170 [ 8335.183105][ T10] __sys_sendmsg+0xcd/0x170 [ 8335.183105][ T10] do_syscall_64+0xc6/0x1e0 [ 8335.183105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8335.183105][ T10] [ 8335.184857][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8335.185120][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8335.185120][ T10] netdev_get_by_index+0x5e/0x80 [ 8335.185120][ T10] fib6_nh_init+0x3d8/0x1580 [ 8335.185120][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8335.185120][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8335.185120][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8335.185120][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8335.185120][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8335.185120][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8335.185120][ T10] addrconf_dad_begin+0x310/0x670 [ 8335.185120][ T10] addrconf_dad_work+0x10b/0xab0 [ 8335.185120][ T10] process_one_work+0x84d/0x18a0 [ 8335.185120][ T10] worker_thread+0x587/0xd30 [ 8335.185120][ T10] kthread+0x28a/0x350 [ 8335.185120][ T10] ret_from_fork+0x31/0x70 [ 8335.185120][ T10] ret_from_fork_asm+0x1a/0x30 [ 8335.185120][ T10] [ 8335.187109][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8335.187109][ T10] netdev_get_by_index+0x5e/0x80 [ 8335.187109][ T10] fib6_nh_init+0x3d8/0x1580 [ 8335.187109][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8335.187109][ T10] ip6_route_add+0x1c/0x140 [ 8335.187109][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8335.187109][ T10] inet6_addr_add+0x4f8/0xa40 [ 8335.187109][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8335.187109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8335.187109][ T10] netlink_rcv_skb+0x130/0x360 [ 8335.187109][ T10] netlink_unicast+0x449/0x710 [ 8335.187109][ T10] netlink_sendmsg+0x723/0xbe0 [ 8335.187109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8335.187109][ T10] ___sys_sendmsg+0xee/0x170 [ 8335.187109][ T10] __sys_sendmsg+0xcd/0x170 [ 8335.187109][ T10] do_syscall_64+0xc6/0x1e0 [ 8335.187109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8335.187109][ T10] [ 8335.189322][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8335.189322][ T10] netdev_get_by_index+0x5e/0x80 [ 8335.189322][ T10] fib6_nh_init+0x3d8/0x1580 [ 8335.189322][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8335.189322][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8335.189322][ T10] ipv6_add_addr+0x411/0x2000 [ 8335.189322][ T10] inet6_addr_add+0x30e/0xa40 [ 8335.189322][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8335.189322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8335.189322][ T10] netlink_rcv_skb+0x130/0x360 [ 8335.189322][ T10] netlink_unicast+0x449/0x710 [ 8335.189322][ T10] netlink_sendmsg+0x723/0xbe0 [ 8335.189322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8335.189322][ T10] ___sys_sendmsg+0xee/0x170 [ 8335.189322][ T10] __sys_sendmsg+0xcd/0x170 [ 8335.189322][ T10] do_syscall_64+0xc6/0x1e0 [ 8335.189322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8335.189322][ T10] [ 8335.191518][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8335.191518][ T10] netdev_get_by_index+0x5e/0x80 [ 8335.191518][ T10] fib6_nh_init+0x3d8/0x1580 [ 8335.191518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8335.191518][ T10] ip6_route_add+0x1c/0x140 [ 8335.191518][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8335.191518][ T10] addrconf_add_dev+0xe2/0x170 [ 8335.191518][ T10] inet6_addr_add+0x12f/0xa40 [ 8335.191518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8335.191518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8335.191518][ T10] netlink_rcv_skb+0x130/0x360 [ 8335.191518][ T10] netlink_unicast+0x449/0x710 [ 8335.191518][ T10] netlink_sendmsg+0x723/0xbe0 [ 8335.191518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8335.191518][ T10] ___sys_sendmsg+0xee/0x170 [ 8335.191518][ T10] __sys_sendmsg+0xcd/0x170 [ 8335.191518][ T10] do_syscall_64+0xc6/0x1e0 [ 8335.191518][ T10] [ 8335.193678][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8335.193678][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8335.193678][ T10] ipv6_find_idev+0x102/0x170 [ 8335.193678][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8335.193678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8335.193678][ T10] netlink_rcv_skb+0x130/0x360 [ 8335.193678][ T10] netlink_unicast+0x449/0x710 [ 8335.193678][ T10] netlink_sendmsg+0x723/0xbe0 [ 8335.193678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8335.193678][ T10] ___sys_sendmsg+0xee/0x170 [ 8335.193678][ T10] __sys_sendmsg+0xcd/0x170 [ 8335.193678][ T10] do_syscall_64+0xc6/0x1e0 [ 8335.193678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8335.193678][ T10] [ 8335.195338][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8335.195338][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8335.195338][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8335.195338][ T10] ipv6_find_idev+0x102/0x170 [ 8335.195338][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8335.195338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8335.195338][ T10] netlink_rcv_skb+0x130/0x360 [ 8335.195338][ T10] netlink_unicast+0x449/0x710 [ 8335.195338][ T10] netlink_sendmsg+0x723/0xbe0 [ 8335.195338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8335.195338][ T10] ___sys_sendmsg+0xee/0x170 [ 8335.195338][ T10] __sys_sendmsg+0xcd/0x170 [ 8335.195338][ T10] do_syscall_64+0xc6/0x1e0 [ 8335.195338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8335.195338][ T10] [ 8335.197202][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8335.197446][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8335.197446][ T10] netdev_get_by_index+0x5e/0x80 [ 8335.197446][ T10] fib6_nh_init+0x3d8/0x1580 [ 8335.197446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8335.197446][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8335.197446][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8335.197446][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8335.197446][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8335.197446][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8335.197446][ T10] addrconf_dad_begin+0x310/0x670 [ 8335.197446][ T10] addrconf_dad_work+0x10b/0xab0 [ 8335.197446][ T10] process_one_work+0x84d/0x18a0 [ 8335.197446][ T10] worker_thread+0x587/0xd30 [ 8335.197446][ T10] kthread+0x28a/0x350 [ 8335.197446][ T10] ret_from_fork+0x31/0x70 [ 8335.197446][ T10] ret_from_fork_asm+0x1a/0x30 [ 8335.197446][ T10] [ 8335.199571][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8335.199571][ T10] netdev_get_by_index+0x5e/0x80 [ 8335.199571][ T10] fib6_nh_init+0x3d8/0x1580 [ 8335.199571][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8335.199571][ T10] ip6_route_add+0x1c/0x140 [ 8335.199571][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8335.199571][ T10] inet6_addr_add+0x4f8/0xa40 [ 8335.199571][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8335.199571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8335.199571][ T10] netlink_rcv_skb+0x130/0x360 [ 8335.199571][ T10] netlink_unicast+0x449/0x710 [ 8335.199571][ T10] netlink_sendmsg+0x723/0xbe0 [ 8335.199571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8335.199571][ T10] ___sys_sendmsg+0xee/0x170 [ 8335.199571][ T10] __sys_sendmsg+0xcd/0x170 [ 8335.199571][ T10] do_syscall_64+0xc6/0x1e0 [ 8335.199571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8335.199571][ T10] [ 8335.201773][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8335.201773][ T10] netdev_get_by_index+0x5e/0x80 [ 8335.201773][ T10] fib6_nh_init+0x3d8/0x1580 [ 8335.201773][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8335.201773][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8335.201773][ T10] ipv6_add_addr+0x411/0x2000 [ 8335.201773][ T10] inet6_addr_add+0x30e/0xa40 [ 8335.201773][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8335.201773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8335.201773][ T10] netlink_rcv_skb+0x130/0x360 [ 8335.201773][ T10] netlink_unicast+0x449/0x710 [ 8335.201773][ T10] netlink_sendmsg+0x723/0xbe0 [ 8335.201773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8335.201773][ T10] ___sys_sendmsg+0xee/0x170 [ 8335.201773][ T10] __sys_sendmsg+0xcd/0x170 [ 8335.201773][ T10] do_syscall_64+0xc6/0x1e0 [ 8335.201773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8335.201773][ T10] [ 8335.203987][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8335.203987][ T10] netdev_get_by_index+0x5e/0x80 [ 8335.203987][ T10] fib6_nh_init+0x3d8/0x1580 [ 8335.203987][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8335.203987][ T10] ip6_route_add+0x1c/0x140 [ 8335.203987][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8335.203987][ T10] addrconf_add_dev+0xe2/0x170 [ 8335.203987][ T10] inet6_addr_add+0x12f/0xa40 [ 8335.203987][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8335.203987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8335.203987][ T10] netlink_rcv_skb+0x130/0x360 [ 8335.203987][ T10] netlink_unicast+0x449/0x710 [ 8335.203987][ T10] netlink_sendmsg+0x723/0xbe0 [ 8335.203987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8335.203987][ T10] ___sys_sendmsg+0xee/0x170 [ 8335.203987][ T10] __sys_sendmsg+0xcd/0x170 [ 8335.203987][ T10] do_syscall_64+0xc6/0x1e0 [ 8335.203987][ T10] [ 8335.206215][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8335.206215][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8335.206215][ T10] ipv6_find_idev+0x102/0x170 [ 8335.206215][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8335.206215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8335.206215][ T10] netlink_rcv_skb+0x130/0x360 [ 8335.206215][ T10] netlink_unicast+0x449/0x710 [ 8335.206215][ T10] netlink_sendmsg+0x723/0xbe0 [ 8335.206215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8335.206215][ T10] ___sys_sendmsg+0xee/0x170 [ 8335.206215][ T10] __sys_sendmsg+0xcd/0x170 [ 8335.206215][ T10] do_syscall_64+0xc6/0x1e0 [ 8335.206215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8335.206215][ T10] [ 8335.207880][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8335.207880][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8335.207880][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8335.207880][ T10] ipv6_find_idev+0x102/0x170 [ 8335.207880][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8335.207880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8335.207880][ T10] netlink_rcv_skb+0x130/0x360 [ 8335.207880][ T10] netlink_unicast+0x449/0x710 [ 8335.207880][ T10] netlink_sendmsg+0x723/0xbe0 [ 8335.207880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8335.207880][ T10] ___sys_sendmsg+0xee/0x170 [ 8335.207880][ T10] __sys_sendmsg+0xcd/0x170 [ 8335.207880][ T10] do_syscall_64+0xc6/0x1e0 [ 8335.207880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8335.207880][ T10] [ 8335.969138][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8335.969606][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8335.969606][ T1167] dst_init+0x84/0x4a0 [ 8335.969606][ T1167] dst_alloc+0x97/0x150 [ 8335.969606][ T1167] ip6_dst_alloc+0x23/0x90 [ 8335.969606][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8335.969606][ T1167] ip6_pol_route+0x56f/0x840 [ 8335.969606][ T1167] fib6_rule_lookup+0x334/0x630 [ 8335.969606][ T1167] ip6_route_output_flags+0x259/0x480 [ 8335.969606][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8335.969606][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8335.969606][ T1167] netlink_rcv_skb+0x130/0x360 [ 8335.969606][ T1167] netlink_unicast+0x449/0x710 [ 8335.969606][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8335.969606][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8335.969606][ T1167] ___sys_sendmsg+0xee/0x170 [ 8335.969606][ T1167] __sys_sendmsg+0xcd/0x170 [ 8335.969606][ T1167] do_syscall_64+0xc6/0x1e0 [ 8335.969606][ T1167] [ 8335.971926][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8335.971926][ T1167] netdev_get_by_index+0x5e/0x80 [ 8335.971926][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8335.971926][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8335.971926][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8335.971926][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8335.971926][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8335.971926][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8335.971926][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8335.971926][ T1167] addrconf_dad_begin+0x310/0x670 [ 8335.971926][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8335.971926][ T1167] process_one_work+0x84d/0x18a0 [ 8335.971926][ T1167] worker_thread+0x587/0xd30 [ 8335.971926][ T1167] kthread+0x28a/0x350 [ 8335.971926][ T1167] ret_from_fork+0x31/0x70 [ 8335.971926][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8335.971926][ T1167] [ 8335.974171][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8335.974171][ T1167] netdev_get_by_index+0x5e/0x80 [ 8335.974171][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8335.974171][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8335.974171][ T1167] ip6_route_add+0x1c/0x140 [ 8335.974171][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8335.974171][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8335.974171][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8335.974171][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8335.974171][ T1167] netlink_rcv_skb+0x130/0x360 [ 8335.974171][ T1167] netlink_unicast+0x449/0x710 [ 8335.974171][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8335.974171][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8335.974171][ T1167] ___sys_sendmsg+0xee/0x170 [ 8335.974171][ T1167] __sys_sendmsg+0xcd/0x170 [ 8335.974171][ T1167] do_syscall_64+0xc6/0x1e0 [ 8335.974171][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8335.974171][ T1167] [ 8335.976521][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8335.976521][ T1167] netdev_get_by_index+0x5e/0x80 [ 8335.976521][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8335.976521][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8335.976521][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8335.976521][ T1167] ipv6_add_addr+0x411/0x2000 [ 8335.976521][ T1167] inet6_addr_add+0x30e/0xa40 [ 8335.976521][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8335.976521][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8335.976521][ T1167] netlink_rcv_skb+0x130/0x360 [ 8335.976521][ T1167] netlink_unicast+0x449/0x710 [ 8335.976521][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8335.976521][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8335.976521][ T1167] ___sys_sendmsg+0xee/0x170 [ 8335.976521][ T1167] __sys_sendmsg+0xcd/0x170 [ 8335.976521][ T1167] do_syscall_64+0xc6/0x1e0 [ 8335.976521][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8335.976521][ T1167] [ 8335.978866][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8335.978866][ T1167] netdev_get_by_index+0x5e/0x80 [ 8335.978866][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8335.978866][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8335.978866][ T1167] ip6_route_add+0x1c/0x140 [ 8335.978866][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8335.978866][ T1167] addrconf_add_dev+0xe2/0x170 [ 8335.978866][ T1167] inet6_addr_add+0x12f/0xa40 [ 8335.978866][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8335.978866][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8335.978866][ T1167] netlink_rcv_skb+0x130/0x360 [ 8335.978866][ T1167] netlink_unicast+0x449/0x710 [ 8335.978866][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8335.978866][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8335.978866][ T1167] ___sys_sendmsg+0xee/0x170 [ 8335.978866][ T1167] __sys_sendmsg+0xcd/0x170 [ 8335.978866][ T1167] do_syscall_64+0xc6/0x1e0 [ 8335.978866][ T1167] [ 8335.981704][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8335.981704][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8335.981704][ T1167] ipv6_find_idev+0x102/0x170 [ 8335.981704][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8335.981704][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8335.981704][ T1167] netlink_rcv_skb+0x130/0x360 [ 8335.981704][ T1167] netlink_unicast+0x449/0x710 [ 8335.981704][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8335.981704][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8335.981704][ T1167] ___sys_sendmsg+0xee/0x170 [ 8335.981704][ T1167] __sys_sendmsg+0xcd/0x170 [ 8335.981704][ T1167] do_syscall_64+0xc6/0x1e0 [ 8335.981704][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8335.981704][ T1167] [ 8335.983512][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8335.983512][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8335.983512][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8335.983512][ T1167] ipv6_find_idev+0x102/0x170 [ 8335.983512][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8335.983512][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8335.983512][ T1167] netlink_rcv_skb+0x130/0x360 [ 8335.983512][ T1167] netlink_unicast+0x449/0x710 [ 8335.983512][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8335.983512][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8335.983512][ T1167] ___sys_sendmsg+0xee/0x170 [ 8335.983512][ T1167] __sys_sendmsg+0xcd/0x170 [ 8335.983512][ T1167] do_syscall_64+0xc6/0x1e0 [ 8335.983512][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8335.983512][ T1167] [ 8345.465125][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8345.465542][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8345.465542][ T10] netdev_get_by_index+0x5e/0x80 [ 8345.465542][ T10] fib6_nh_init+0x3d8/0x1580 [ 8345.465542][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8345.465542][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8345.465542][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8345.465542][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8345.465542][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8345.465542][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8345.465542][ T10] addrconf_dad_begin+0x310/0x670 [ 8345.465542][ T10] addrconf_dad_work+0x10b/0xab0 [ 8345.465542][ T10] process_one_work+0x84d/0x18a0 [ 8345.465542][ T10] worker_thread+0x587/0xd30 [ 8345.465542][ T10] kthread+0x28a/0x350 [ 8345.465542][ T10] ret_from_fork+0x31/0x70 [ 8345.465542][ T10] ret_from_fork_asm+0x1a/0x30 [ 8345.465542][ T10] [ 8345.467566][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8345.467566][ T10] netdev_get_by_index+0x5e/0x80 [ 8345.467566][ T10] fib6_nh_init+0x3d8/0x1580 [ 8345.467566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8345.467566][ T10] ip6_route_add+0x1c/0x140 [ 8345.467566][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8345.467566][ T10] inet6_addr_add+0x4f8/0xa40 [ 8345.467566][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8345.467566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8345.467566][ T10] netlink_rcv_skb+0x130/0x360 [ 8345.467566][ T10] netlink_unicast+0x449/0x710 [ 8345.467566][ T10] netlink_sendmsg+0x723/0xbe0 [ 8345.467566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8345.467566][ T10] ___sys_sendmsg+0xee/0x170 [ 8345.467566][ T10] __sys_sendmsg+0xcd/0x170 [ 8345.467566][ T10] do_syscall_64+0xc6/0x1e0 [ 8345.467566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8345.467566][ T10] [ 8345.469662][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8345.469662][ T10] netdev_get_by_index+0x5e/0x80 [ 8345.469662][ T10] fib6_nh_init+0x3d8/0x1580 [ 8345.469662][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8345.469662][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8345.469662][ T10] ipv6_add_addr+0x411/0x2000 [ 8345.469662][ T10] inet6_addr_add+0x30e/0xa40 [ 8345.469662][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8345.469662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8345.469662][ T10] netlink_rcv_skb+0x130/0x360 [ 8345.469662][ T10] netlink_unicast+0x449/0x710 [ 8345.469662][ T10] netlink_sendmsg+0x723/0xbe0 [ 8345.469662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8345.469662][ T10] ___sys_sendmsg+0xee/0x170 [ 8345.469662][ T10] __sys_sendmsg+0xcd/0x170 [ 8345.469662][ T10] do_syscall_64+0xc6/0x1e0 [ 8345.469662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8345.469662][ T10] [ 8345.471736][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8345.471736][ T10] netdev_get_by_index+0x5e/0x80 [ 8345.471736][ T10] fib6_nh_init+0x3d8/0x1580 [ 8345.471736][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8345.471736][ T10] ip6_route_add+0x1c/0x140 [ 8345.471736][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8345.471736][ T10] addrconf_add_dev+0xe2/0x170 [ 8345.471736][ T10] inet6_addr_add+0x12f/0xa40 [ 8345.471736][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8345.471736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8345.471736][ T10] netlink_rcv_skb+0x130/0x360 [ 8345.471736][ T10] netlink_unicast+0x449/0x710 [ 8345.471736][ T10] netlink_sendmsg+0x723/0xbe0 [ 8345.471736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8345.471736][ T10] ___sys_sendmsg+0xee/0x170 [ 8345.471736][ T10] __sys_sendmsg+0xcd/0x170 [ 8345.471736][ T10] do_syscall_64+0xc6/0x1e0 [ 8345.471736][ T10] [ 8345.473777][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8345.473777][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8345.473777][ T10] ipv6_find_idev+0x102/0x170 [ 8345.473777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8345.473777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8345.473777][ T10] netlink_rcv_skb+0x130/0x360 [ 8345.473777][ T10] netlink_unicast+0x449/0x710 [ 8345.473777][ T10] netlink_sendmsg+0x723/0xbe0 [ 8345.473777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8345.473777][ T10] ___sys_sendmsg+0xee/0x170 [ 8345.473777][ T10] __sys_sendmsg+0xcd/0x170 [ 8345.473777][ T10] do_syscall_64+0xc6/0x1e0 [ 8345.473777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8345.473777][ T10] [ 8345.475368][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8345.475368][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8345.475368][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8345.475368][ T10] ipv6_find_idev+0x102/0x170 [ 8345.475368][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8345.475368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8345.475368][ T10] netlink_rcv_skb+0x130/0x360 [ 8345.475368][ T10] netlink_unicast+0x449/0x710 [ 8345.475368][ T10] netlink_sendmsg+0x723/0xbe0 [ 8345.475368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8345.475368][ T10] ___sys_sendmsg+0xee/0x170 [ 8345.475368][ T10] __sys_sendmsg+0xcd/0x170 [ 8345.475368][ T10] do_syscall_64+0xc6/0x1e0 [ 8345.475368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8345.475368][ T10] [ 8345.477119][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8345.477364][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8345.477364][ T10] netdev_get_by_index+0x5e/0x80 [ 8345.477364][ T10] fib6_nh_init+0x3d8/0x1580 [ 8345.477364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8345.477364][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8345.477364][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8345.477364][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8345.477364][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8345.477364][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8345.477364][ T10] addrconf_dad_begin+0x310/0x670 [ 8345.477364][ T10] addrconf_dad_work+0x10b/0xab0 [ 8345.477364][ T10] process_one_work+0x84d/0x18a0 [ 8345.477364][ T10] worker_thread+0x587/0xd30 [ 8345.477364][ T10] kthread+0x28a/0x350 [ 8345.477364][ T10] ret_from_fork+0x31/0x70 [ 8345.477364][ T10] ret_from_fork_asm+0x1a/0x30 [ 8345.477364][ T10] [ 8345.479352][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8345.479352][ T10] netdev_get_by_index+0x5e/0x80 [ 8345.479352][ T10] fib6_nh_init+0x3d8/0x1580 [ 8345.479352][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8345.479352][ T10] ip6_route_add+0x1c/0x140 [ 8345.479352][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8345.479352][ T10] inet6_addr_add+0x4f8/0xa40 [ 8345.479352][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8345.479352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8345.479352][ T10] netlink_rcv_skb+0x130/0x360 [ 8345.479352][ T10] netlink_unicast+0x449/0x710 [ 8345.479352][ T10] netlink_sendmsg+0x723/0xbe0 [ 8345.479352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8345.479352][ T10] ___sys_sendmsg+0xee/0x170 [ 8345.479352][ T10] __sys_sendmsg+0xcd/0x170 [ 8345.479352][ T10] do_syscall_64+0xc6/0x1e0 [ 8345.479352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8345.479352][ T10] [ 8345.481425][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8345.481425][ T10] netdev_get_by_index+0x5e/0x80 [ 8345.481425][ T10] fib6_nh_init+0x3d8/0x1580 [ 8345.481425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8345.481425][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8345.481425][ T10] ipv6_add_addr+0x411/0x2000 [ 8345.481425][ T10] inet6_addr_add+0x30e/0xa40 [ 8345.481425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8345.481425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8345.481425][ T10] netlink_rcv_skb+0x130/0x360 [ 8345.481425][ T10] netlink_unicast+0x449/0x710 [ 8345.481425][ T10] netlink_sendmsg+0x723/0xbe0 [ 8345.481425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8345.481425][ T10] ___sys_sendmsg+0xee/0x170 [ 8345.481425][ T10] __sys_sendmsg+0xcd/0x170 [ 8345.481425][ T10] do_syscall_64+0xc6/0x1e0 [ 8345.481425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8345.481425][ T10] [ 8345.483495][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8345.483495][ T10] netdev_get_by_index+0x5e/0x80 [ 8345.483495][ T10] fib6_nh_init+0x3d8/0x1580 [ 8345.483495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8345.483495][ T10] ip6_route_add+0x1c/0x140 [ 8345.483495][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8345.483495][ T10] addrconf_add_dev+0xe2/0x170 [ 8345.483495][ T10] inet6_addr_add+0x12f/0xa40 [ 8345.483495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8345.483495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8345.483495][ T10] netlink_rcv_skb+0x130/0x360 [ 8345.483495][ T10] netlink_unicast+0x449/0x710 [ 8345.483495][ T10] netlink_sendmsg+0x723/0xbe0 [ 8345.483495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8345.483495][ T10] ___sys_sendmsg+0xee/0x170 [ 8345.483495][ T10] __sys_sendmsg+0xcd/0x170 [ 8345.483495][ T10] do_syscall_64+0xc6/0x1e0 [ 8345.483495][ T10] [ 8345.485526][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8345.485526][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8345.485526][ T10] ipv6_find_idev+0x102/0x170 [ 8345.485526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8345.485526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8345.485526][ T10] netlink_rcv_skb+0x130/0x360 [ 8345.485526][ T10] netlink_unicast+0x449/0x710 [ 8345.485526][ T10] netlink_sendmsg+0x723/0xbe0 [ 8345.485526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8345.485526][ T10] ___sys_sendmsg+0xee/0x170 [ 8345.485526][ T10] __sys_sendmsg+0xcd/0x170 [ 8345.485526][ T10] do_syscall_64+0xc6/0x1e0 [ 8345.485526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8345.485526][ T10] [ 8345.487122][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8345.487122][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8345.487122][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8345.487122][ T10] ipv6_find_idev+0x102/0x170 [ 8345.487122][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8345.487122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8345.487122][ T10] netlink_rcv_skb+0x130/0x360 [ 8345.487122][ T10] netlink_unicast+0x449/0x710 [ 8345.487122][ T10] netlink_sendmsg+0x723/0xbe0 [ 8345.487122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8345.487122][ T10] ___sys_sendmsg+0xee/0x170 [ 8345.487122][ T10] __sys_sendmsg+0xcd/0x170 [ 8345.487122][ T10] do_syscall_64+0xc6/0x1e0 [ 8345.487122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8345.487122][ T10] [ 8345.488870][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8345.489130][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8345.489130][ T10] netdev_get_by_index+0x5e/0x80 [ 8345.489130][ T10] fib6_nh_init+0x3d8/0x1580 [ 8345.489130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8345.489130][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8345.489130][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8345.489130][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8345.489130][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8345.489130][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8345.489130][ T10] addrconf_dad_begin+0x310/0x670 [ 8345.489130][ T10] addrconf_dad_work+0x10b/0xab0 [ 8345.489130][ T10] process_one_work+0x84d/0x18a0 [ 8345.489130][ T10] worker_thread+0x587/0xd30 [ 8345.489130][ T10] kthread+0x28a/0x350 [ 8345.489130][ T10] ret_from_fork+0x31/0x70 [ 8345.489130][ T10] ret_from_fork_asm+0x1a/0x30 [ 8345.489130][ T10] [ 8345.491109][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8345.491109][ T10] netdev_get_by_index+0x5e/0x80 [ 8345.491109][ T10] fib6_nh_init+0x3d8/0x1580 [ 8345.491109][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8345.491109][ T10] ip6_route_add+0x1c/0x140 [ 8345.491109][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8345.491109][ T10] inet6_addr_add+0x4f8/0xa40 [ 8345.491109][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8345.491109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8345.491109][ T10] netlink_rcv_skb+0x130/0x360 [ 8345.491109][ T10] netlink_unicast+0x449/0x710 [ 8345.491109][ T10] netlink_sendmsg+0x723/0xbe0 [ 8345.491109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8345.491109][ T10] ___sys_sendmsg+0xee/0x170 [ 8345.491109][ T10] __sys_sendmsg+0xcd/0x170 [ 8345.491109][ T10] do_syscall_64+0xc6/0x1e0 [ 8345.491109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8345.491109][ T10] [ 8345.493377][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8345.493377][ T10] netdev_get_by_index+0x5e/0x80 [ 8345.493377][ T10] fib6_nh_init+0x3d8/0x1580 [ 8345.493377][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8345.493377][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8345.493377][ T10] ipv6_add_addr+0x411/0x2000 [ 8345.493377][ T10] inet6_addr_add+0x30e/0xa40 [ 8345.493377][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8345.493377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8345.493377][ T10] netlink_rcv_skb+0x130/0x360 [ 8345.493377][ T10] netlink_unicast+0x449/0x710 [ 8345.493377][ T10] netlink_sendmsg+0x723/0xbe0 [ 8345.493377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8345.493377][ T10] ___sys_sendmsg+0xee/0x170 [ 8345.493377][ T10] __sys_sendmsg+0xcd/0x170 [ 8345.493377][ T10] do_syscall_64+0xc6/0x1e0 [ 8345.493377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8345.493377][ T10] [ 8345.495690][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8345.495690][ T10] netdev_get_by_index+0x5e/0x80 [ 8345.495690][ T10] fib6_nh_init+0x3d8/0x1580 [ 8345.495690][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8345.495690][ T10] ip6_route_add+0x1c/0x140 [ 8345.495690][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8345.495690][ T10] addrconf_add_dev+0xe2/0x170 [ 8345.495690][ T10] inet6_addr_add+0x12f/0xa40 [ 8345.495690][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8345.495690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8345.495690][ T10] netlink_rcv_skb+0x130/0x360 [ 8345.495690][ T10] netlink_unicast+0x449/0x710 [ 8345.495690][ T10] netlink_sendmsg+0x723/0xbe0 [ 8345.495690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8345.495690][ T10] ___sys_sendmsg+0xee/0x170 [ 8345.495690][ T10] __sys_sendmsg+0xcd/0x170 [ 8345.495690][ T10] do_syscall_64+0xc6/0x1e0 [ 8345.495690][ T10] [ 8345.498026][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8345.498026][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8345.498026][ T10] ipv6_find_idev+0x102/0x170 [ 8345.498026][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8345.498026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8345.498026][ T10] netlink_rcv_skb+0x130/0x360 [ 8345.498026][ T10] netlink_unicast+0x449/0x710 [ 8345.498026][ T10] netlink_sendmsg+0x723/0xbe0 [ 8345.498026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8345.498026][ T10] ___sys_sendmsg+0xee/0x170 [ 8345.498026][ T10] __sys_sendmsg+0xcd/0x170 [ 8345.498026][ T10] do_syscall_64+0xc6/0x1e0 [ 8345.498026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8345.498026][ T10] [ 8345.499805][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8345.499805][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8345.499805][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8345.499805][ T10] ipv6_find_idev+0x102/0x170 [ 8345.499805][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8345.499805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8345.499805][ T10] netlink_rcv_skb+0x130/0x360 [ 8345.499805][ T10] netlink_unicast+0x449/0x710 [ 8345.499805][ T10] netlink_sendmsg+0x723/0xbe0 [ 8345.499805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8345.499805][ T10] ___sys_sendmsg+0xee/0x170 [ 8345.499805][ T10] __sys_sendmsg+0xcd/0x170 [ 8345.499805][ T10] do_syscall_64+0xc6/0x1e0 [ 8345.499805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8345.499805][ T10] [ 8345.501734][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8345.501973][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8345.501973][ T10] netdev_get_by_index+0x5e/0x80 [ 8345.501973][ T10] fib6_nh_init+0x3d8/0x1580 [ 8345.501973][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8345.501973][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8345.501973][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8345.501973][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8345.501973][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8345.501973][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8345.501973][ T10] addrconf_dad_begin+0x310/0x670 [ 8345.501973][ T10] addrconf_dad_work+0x10b/0xab0 [ 8345.501973][ T10] process_one_work+0x84d/0x18a0 [ 8345.501973][ T10] worker_thread+0x587/0xd30 [ 8345.501973][ T10] kthread+0x28a/0x350 [ 8345.501973][ T10] ret_from_fork+0x31/0x70 [ 8345.501973][ T10] ret_from_fork_asm+0x1a/0x30 [ 8345.501973][ T10] [ 8345.504199][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8345.504199][ T10] netdev_get_by_index+0x5e/0x80 [ 8345.504199][ T10] fib6_nh_init+0x3d8/0x1580 [ 8345.504199][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8345.504199][ T10] ip6_route_add+0x1c/0x140 [ 8345.504199][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8345.504199][ T10] inet6_addr_add+0x4f8/0xa40 [ 8345.504199][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8345.504199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8345.504199][ T10] netlink_rcv_skb+0x130/0x360 [ 8345.504199][ T10] netlink_unicast+0x449/0x710 [ 8345.504199][ T10] netlink_sendmsg+0x723/0xbe0 [ 8345.504199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8345.504199][ T10] ___sys_sendmsg+0xee/0x170 [ 8345.504199][ T10] __sys_sendmsg+0xcd/0x170 [ 8345.504199][ T10] do_syscall_64+0xc6/0x1e0 [ 8345.504199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8345.504199][ T10] [ 8345.506524][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8345.506524][ T10] netdev_get_by_index+0x5e/0x80 [ 8345.506524][ T10] fib6_nh_init+0x3d8/0x1580 [ 8345.506524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8345.506524][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8345.506524][ T10] ipv6_add_addr+0x411/0x2000 [ 8345.506524][ T10] inet6_addr_add+0x30e/0xa40 [ 8345.506524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8345.506524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8345.506524][ T10] netlink_rcv_skb+0x130/0x360 [ 8345.506524][ T10] netlink_unicast+0x449/0x710 [ 8345.506524][ T10] netlink_sendmsg+0x723/0xbe0 [ 8345.506524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8345.506524][ T10] ___sys_sendmsg+0xee/0x170 [ 8345.506524][ T10] __sys_sendmsg+0xcd/0x170 [ 8345.506524][ T10] do_syscall_64+0xc6/0x1e0 [ 8345.506524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8345.506524][ T10] [ 8345.508903][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8345.508903][ T10] netdev_get_by_index+0x5e/0x80 [ 8345.508903][ T10] fib6_nh_init+0x3d8/0x1580 [ 8345.508903][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8345.508903][ T10] ip6_route_add+0x1c/0x140 [ 8345.508903][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8345.508903][ T10] addrconf_add_dev+0xe2/0x170 [ 8345.508903][ T10] inet6_addr_add+0x12f/0xa40 [ 8345.508903][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8345.508903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8345.508903][ T10] netlink_rcv_skb+0x130/0x360 [ 8345.508903][ T10] netlink_unicast+0x449/0x710 [ 8345.508903][ T10] netlink_sendmsg+0x723/0xbe0 [ 8345.508903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8345.508903][ T10] ___sys_sendmsg+0xee/0x170 [ 8345.508903][ T10] __sys_sendmsg+0xcd/0x170 [ 8345.508903][ T10] do_syscall_64+0xc6/0x1e0 [ 8345.508903][ T10] [ 8345.511121][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8345.511121][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8345.511121][ T10] ipv6_find_idev+0x102/0x170 [ 8345.511121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8345.511121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8345.511121][ T10] netlink_rcv_skb+0x130/0x360 [ 8345.511121][ T10] netlink_unicast+0x449/0x710 [ 8345.511121][ T10] netlink_sendmsg+0x723/0xbe0 [ 8345.511121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8345.511121][ T10] ___sys_sendmsg+0xee/0x170 [ 8345.511121][ T10] __sys_sendmsg+0xcd/0x170 [ 8345.511121][ T10] do_syscall_64+0xc6/0x1e0 [ 8345.511121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8345.511121][ T10] [ 8345.512899][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8345.512899][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8345.512899][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8345.512899][ T10] ipv6_find_idev+0x102/0x170 [ 8345.512899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8345.512899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8345.512899][ T10] netlink_rcv_skb+0x130/0x360 [ 8345.512899][ T10] netlink_unicast+0x449/0x710 [ 8345.512899][ T10] netlink_sendmsg+0x723/0xbe0 [ 8345.512899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8345.512899][ T10] ___sys_sendmsg+0xee/0x170 [ 8345.512899][ T10] __sys_sendmsg+0xcd/0x170 [ 8345.512899][ T10] do_syscall_64+0xc6/0x1e0 [ 8345.512899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8345.512899][ T10] [ 8346.225126][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8346.225581][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8346.225581][ T1167] dst_init+0x84/0x4a0 [ 8346.225581][ T1167] dst_alloc+0x97/0x150 [ 8346.225581][ T1167] ip6_dst_alloc+0x23/0x90 [ 8346.225581][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8346.225581][ T1167] ip6_pol_route+0x56f/0x840 [ 8346.225581][ T1167] fib6_rule_lookup+0x334/0x630 [ 8346.225581][ T1167] ip6_route_output_flags+0x259/0x480 [ 8346.225581][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8346.225581][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8346.225581][ T1167] netlink_rcv_skb+0x130/0x360 [ 8346.225581][ T1167] netlink_unicast+0x449/0x710 [ 8346.225581][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8346.225581][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8346.225581][ T1167] ___sys_sendmsg+0xee/0x170 [ 8346.225581][ T1167] __sys_sendmsg+0xcd/0x170 [ 8346.225581][ T1167] do_syscall_64+0xc6/0x1e0 [ 8346.225581][ T1167] [ 8346.227891][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8346.227891][ T1167] netdev_get_by_index+0x5e/0x80 [ 8346.227891][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8346.227891][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8346.227891][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8346.227891][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8346.227891][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8346.227891][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8346.227891][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8346.227891][ T1167] addrconf_dad_begin+0x310/0x670 [ 8346.227891][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8346.227891][ T1167] process_one_work+0x84d/0x18a0 [ 8346.227891][ T1167] worker_thread+0x587/0xd30 [ 8346.227891][ T1167] kthread+0x28a/0x350 [ 8346.227891][ T1167] ret_from_fork+0x31/0x70 [ 8346.227891][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8346.227891][ T1167] [ 8346.230150][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8346.230150][ T1167] netdev_get_by_index+0x5e/0x80 [ 8346.230150][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8346.230150][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8346.230150][ T1167] ip6_route_add+0x1c/0x140 [ 8346.230150][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8346.230150][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8346.230150][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8346.230150][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8346.230150][ T1167] netlink_rcv_skb+0x130/0x360 [ 8346.230150][ T1167] netlink_unicast+0x449/0x710 [ 8346.230150][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8346.230150][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8346.230150][ T1167] ___sys_sendmsg+0xee/0x170 [ 8346.230150][ T1167] __sys_sendmsg+0xcd/0x170 [ 8346.230150][ T1167] do_syscall_64+0xc6/0x1e0 [ 8346.230150][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8346.230150][ T1167] [ 8346.232503][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8346.232503][ T1167] netdev_get_by_index+0x5e/0x80 [ 8346.232503][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8346.232503][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8346.232503][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8346.232503][ T1167] ipv6_add_addr+0x411/0x2000 [ 8346.232503][ T1167] inet6_addr_add+0x30e/0xa40 [ 8346.232503][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8346.232503][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8346.232503][ T1167] netlink_rcv_skb+0x130/0x360 [ 8346.232503][ T1167] netlink_unicast+0x449/0x710 [ 8346.232503][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8346.232503][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8346.232503][ T1167] ___sys_sendmsg+0xee/0x170 [ 8346.232503][ T1167] __sys_sendmsg+0xcd/0x170 [ 8346.232503][ T1167] do_syscall_64+0xc6/0x1e0 [ 8346.232503][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8346.232503][ T1167] [ 8346.234850][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8346.234850][ T1167] netdev_get_by_index+0x5e/0x80 [ 8346.234850][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8346.234850][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8346.234850][ T1167] ip6_route_add+0x1c/0x140 [ 8346.234850][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8346.234850][ T1167] addrconf_add_dev+0xe2/0x170 [ 8346.234850][ T1167] inet6_addr_add+0x12f/0xa40 [ 8346.234850][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8346.234850][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8346.234850][ T1167] netlink_rcv_skb+0x130/0x360 [ 8346.234850][ T1167] netlink_unicast+0x449/0x710 [ 8346.234850][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8346.234850][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8346.234850][ T1167] ___sys_sendmsg+0xee/0x170 [ 8346.234850][ T1167] __sys_sendmsg+0xcd/0x170 [ 8346.234850][ T1167] do_syscall_64+0xc6/0x1e0 [ 8346.234850][ T1167] [ 8346.237178][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8346.237178][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8346.237178][ T1167] ipv6_find_idev+0x102/0x170 [ 8346.237178][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8346.237178][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8346.237178][ T1167] netlink_rcv_skb+0x130/0x360 [ 8346.237178][ T1167] netlink_unicast+0x449/0x710 [ 8346.237178][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8346.237178][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8346.237178][ T1167] ___sys_sendmsg+0xee/0x170 [ 8346.237178][ T1167] __sys_sendmsg+0xcd/0x170 [ 8346.237178][ T1167] do_syscall_64+0xc6/0x1e0 [ 8346.237178][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8346.237178][ T1167] [ 8346.238995][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8346.238995][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8346.238995][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8346.238995][ T1167] ipv6_find_idev+0x102/0x170 [ 8346.238995][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8346.238995][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8346.238995][ T1167] netlink_rcv_skb+0x130/0x360 [ 8346.238995][ T1167] netlink_unicast+0x449/0x710 [ 8346.238995][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8346.238995][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8346.238995][ T1167] ___sys_sendmsg+0xee/0x170 [ 8346.238995][ T1167] __sys_sendmsg+0xcd/0x170 [ 8346.238995][ T1167] do_syscall_64+0xc6/0x1e0 [ 8346.238995][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8346.238995][ T1167] [ 8355.713119][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8355.713543][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8355.713543][ T10] netdev_get_by_index+0x5e/0x80 [ 8355.713543][ T10] fib6_nh_init+0x3d8/0x1580 [ 8355.713543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8355.713543][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8355.713543][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8355.713543][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8355.713543][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8355.713543][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8355.713543][ T10] addrconf_dad_begin+0x310/0x670 [ 8355.713543][ T10] addrconf_dad_work+0x10b/0xab0 [ 8355.713543][ T10] process_one_work+0x84d/0x18a0 [ 8355.713543][ T10] worker_thread+0x587/0xd30 [ 8355.713543][ T10] kthread+0x28a/0x350 [ 8355.713543][ T10] ret_from_fork+0x31/0x70 [ 8355.713543][ T10] ret_from_fork_asm+0x1a/0x30 [ 8355.713543][ T10] [ 8355.715558][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8355.715558][ T10] netdev_get_by_index+0x5e/0x80 [ 8355.715558][ T10] fib6_nh_init+0x3d8/0x1580 [ 8355.715558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8355.715558][ T10] ip6_route_add+0x1c/0x140 [ 8355.715558][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8355.715558][ T10] inet6_addr_add+0x4f8/0xa40 [ 8355.715558][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8355.715558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8355.715558][ T10] netlink_rcv_skb+0x130/0x360 [ 8355.715558][ T10] netlink_unicast+0x449/0x710 [ 8355.715558][ T10] netlink_sendmsg+0x723/0xbe0 [ 8355.715558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8355.715558][ T10] ___sys_sendmsg+0xee/0x170 [ 8355.715558][ T10] __sys_sendmsg+0xcd/0x170 [ 8355.715558][ T10] do_syscall_64+0xc6/0x1e0 [ 8355.715558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8355.715558][ T10] [ 8355.717636][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8355.717636][ T10] netdev_get_by_index+0x5e/0x80 [ 8355.717636][ T10] fib6_nh_init+0x3d8/0x1580 [ 8355.717636][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8355.717636][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8355.717636][ T10] ipv6_add_addr+0x411/0x2000 [ 8355.717636][ T10] inet6_addr_add+0x30e/0xa40 [ 8355.717636][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8355.717636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8355.717636][ T10] netlink_rcv_skb+0x130/0x360 [ 8355.717636][ T10] netlink_unicast+0x449/0x710 [ 8355.717636][ T10] netlink_sendmsg+0x723/0xbe0 [ 8355.717636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8355.717636][ T10] ___sys_sendmsg+0xee/0x170 [ 8355.717636][ T10] __sys_sendmsg+0xcd/0x170 [ 8355.717636][ T10] do_syscall_64+0xc6/0x1e0 [ 8355.717636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8355.717636][ T10] [ 8355.720222][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8355.720222][ T10] netdev_get_by_index+0x5e/0x80 [ 8355.720222][ T10] fib6_nh_init+0x3d8/0x1580 [ 8355.720222][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8355.720222][ T10] ip6_route_add+0x1c/0x140 [ 8355.720222][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8355.720222][ T10] addrconf_add_dev+0xe2/0x170 [ 8355.720222][ T10] inet6_addr_add+0x12f/0xa40 [ 8355.720222][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8355.720222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8355.720222][ T10] netlink_rcv_skb+0x130/0x360 [ 8355.720222][ T10] netlink_unicast+0x449/0x710 [ 8355.720222][ T10] netlink_sendmsg+0x723/0xbe0 [ 8355.720222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8355.720222][ T10] ___sys_sendmsg+0xee/0x170 [ 8355.720222][ T10] __sys_sendmsg+0xcd/0x170 [ 8355.720222][ T10] do_syscall_64+0xc6/0x1e0 [ 8355.720222][ T10] [ 8355.722263][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8355.722263][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8355.722263][ T10] ipv6_find_idev+0x102/0x170 [ 8355.722263][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8355.722263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8355.722263][ T10] netlink_rcv_skb+0x130/0x360 [ 8355.722263][ T10] netlink_unicast+0x449/0x710 [ 8355.722263][ T10] netlink_sendmsg+0x723/0xbe0 [ 8355.722263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8355.722263][ T10] ___sys_sendmsg+0xee/0x170 [ 8355.722263][ T10] __sys_sendmsg+0xcd/0x170 [ 8355.722263][ T10] do_syscall_64+0xc6/0x1e0 [ 8355.722263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8355.722263][ T10] [ 8355.723861][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8355.723861][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8355.723861][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8355.723861][ T10] ipv6_find_idev+0x102/0x170 [ 8355.723861][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8355.723861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8355.723861][ T10] netlink_rcv_skb+0x130/0x360 [ 8355.723861][ T10] netlink_unicast+0x449/0x710 [ 8355.723861][ T10] netlink_sendmsg+0x723/0xbe0 [ 8355.723861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8355.723861][ T10] ___sys_sendmsg+0xee/0x170 [ 8355.723861][ T10] __sys_sendmsg+0xcd/0x170 [ 8355.723861][ T10] do_syscall_64+0xc6/0x1e0 [ 8355.723861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8355.723861][ T10] [ 8355.725608][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8355.725860][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8355.725860][ T10] netdev_get_by_index+0x5e/0x80 [ 8355.725860][ T10] fib6_nh_init+0x3d8/0x1580 [ 8355.725860][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8355.725860][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8355.725860][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8355.725860][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8355.725860][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8355.725860][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8355.725860][ T10] addrconf_dad_begin+0x310/0x670 [ 8355.725860][ T10] addrconf_dad_work+0x10b/0xab0 [ 8355.725860][ T10] process_one_work+0x84d/0x18a0 [ 8355.725860][ T10] worker_thread+0x587/0xd30 [ 8355.725860][ T10] kthread+0x28a/0x350 [ 8355.725860][ T10] ret_from_fork+0x31/0x70 [ 8355.725860][ T10] ret_from_fork_asm+0x1a/0x30 [ 8355.725860][ T10] [ 8355.727857][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8355.727857][ T10] netdev_get_by_index+0x5e/0x80 [ 8355.727857][ T10] fib6_nh_init+0x3d8/0x1580 [ 8355.727857][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8355.727857][ T10] ip6_route_add+0x1c/0x140 [ 8355.727857][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8355.727857][ T10] inet6_addr_add+0x4f8/0xa40 [ 8355.727857][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8355.727857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8355.727857][ T10] netlink_rcv_skb+0x130/0x360 [ 8355.727857][ T10] netlink_unicast+0x449/0x710 [ 8355.727857][ T10] netlink_sendmsg+0x723/0xbe0 [ 8355.727857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8355.727857][ T10] ___sys_sendmsg+0xee/0x170 [ 8355.727857][ T10] __sys_sendmsg+0xcd/0x170 [ 8355.727857][ T10] do_syscall_64+0xc6/0x1e0 [ 8355.727857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8355.727857][ T10] [ 8355.729948][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8355.729948][ T10] netdev_get_by_index+0x5e/0x80 [ 8355.729948][ T10] fib6_nh_init+0x3d8/0x1580 [ 8355.729948][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8355.729948][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8355.729948][ T10] ipv6_add_addr+0x411/0x2000 [ 8355.729948][ T10] inet6_addr_add+0x30e/0xa40 [ 8355.729948][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8355.729948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8355.729948][ T10] netlink_rcv_skb+0x130/0x360 [ 8355.729948][ T10] netlink_unicast+0x449/0x710 [ 8355.729948][ T10] netlink_sendmsg+0x723/0xbe0 [ 8355.729948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8355.729948][ T10] ___sys_sendmsg+0xee/0x170 [ 8355.729948][ T10] __sys_sendmsg+0xcd/0x170 [ 8355.729948][ T10] do_syscall_64+0xc6/0x1e0 [ 8355.729948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8355.729948][ T10] [ 8355.732061][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8355.732061][ T10] netdev_get_by_index+0x5e/0x80 [ 8355.732061][ T10] fib6_nh_init+0x3d8/0x1580 [ 8355.732061][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8355.732061][ T10] ip6_route_add+0x1c/0x140 [ 8355.732061][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8355.732061][ T10] addrconf_add_dev+0xe2/0x170 [ 8355.732061][ T10] inet6_addr_add+0x12f/0xa40 [ 8355.732061][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8355.732061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8355.732061][ T10] netlink_rcv_skb+0x130/0x360 [ 8355.732061][ T10] netlink_unicast+0x449/0x710 [ 8355.732061][ T10] netlink_sendmsg+0x723/0xbe0 [ 8355.732061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8355.732061][ T10] ___sys_sendmsg+0xee/0x170 [ 8355.732061][ T10] __sys_sendmsg+0xcd/0x170 [ 8355.732061][ T10] do_syscall_64+0xc6/0x1e0 [ 8355.732061][ T10] [ 8355.734098][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8355.734098][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8355.734098][ T10] ipv6_find_idev+0x102/0x170 [ 8355.734098][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8355.734098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8355.734098][ T10] netlink_rcv_skb+0x130/0x360 [ 8355.734098][ T10] netlink_unicast+0x449/0x710 [ 8355.734098][ T10] netlink_sendmsg+0x723/0xbe0 [ 8355.734098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8355.734098][ T10] ___sys_sendmsg+0xee/0x170 [ 8355.734098][ T10] __sys_sendmsg+0xcd/0x170 [ 8355.734098][ T10] do_syscall_64+0xc6/0x1e0 [ 8355.734098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8355.734098][ T10] [ 8355.735697][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8355.735697][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8355.735697][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8355.735697][ T10] ipv6_find_idev+0x102/0x170 [ 8355.735697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8355.735697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8355.735697][ T10] netlink_rcv_skb+0x130/0x360 [ 8355.735697][ T10] netlink_unicast+0x449/0x710 [ 8355.735697][ T10] netlink_sendmsg+0x723/0xbe0 [ 8355.735697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8355.735697][ T10] ___sys_sendmsg+0xee/0x170 [ 8355.735697][ T10] __sys_sendmsg+0xcd/0x170 [ 8355.735697][ T10] do_syscall_64+0xc6/0x1e0 [ 8355.735697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8355.735697][ T10] [ 8355.737444][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8355.737693][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8355.737693][ T10] netdev_get_by_index+0x5e/0x80 [ 8355.737693][ T10] fib6_nh_init+0x3d8/0x1580 [ 8355.737693][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8355.737693][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8355.737693][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8355.737693][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8355.737693][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8355.737693][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8355.737693][ T10] addrconf_dad_begin+0x310/0x670 [ 8355.737693][ T10] addrconf_dad_work+0x10b/0xab0 [ 8355.737693][ T10] process_one_work+0x84d/0x18a0 [ 8355.737693][ T10] worker_thread+0x587/0xd30 [ 8355.737693][ T10] kthread+0x28a/0x350 [ 8355.737693][ T10] ret_from_fork+0x31/0x70 [ 8355.737693][ T10] ret_from_fork_asm+0x1a/0x30 [ 8355.737693][ T10] [ 8355.739679][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8355.739679][ T10] netdev_get_by_index+0x5e/0x80 [ 8355.739679][ T10] fib6_nh_init+0x3d8/0x1580 [ 8355.739679][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8355.739679][ T10] ip6_route_add+0x1c/0x140 [ 8355.739679][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8355.739679][ T10] inet6_addr_add+0x4f8/0xa40 [ 8355.739679][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8355.739679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8355.739679][ T10] netlink_rcv_skb+0x130/0x360 [ 8355.739679][ T10] netlink_unicast+0x449/0x710 [ 8355.739679][ T10] netlink_sendmsg+0x723/0xbe0 [ 8355.739679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8355.739679][ T10] ___sys_sendmsg+0xee/0x170 [ 8355.739679][ T10] __sys_sendmsg+0xcd/0x170 [ 8355.739679][ T10] do_syscall_64+0xc6/0x1e0 [ 8355.739679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8355.739679][ T10] [ 8355.741910][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8355.741910][ T10] netdev_get_by_index+0x5e/0x80 [ 8355.741910][ T10] fib6_nh_init+0x3d8/0x1580 [ 8355.741910][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8355.741910][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8355.741910][ T10] ipv6_add_addr+0x411/0x2000 [ 8355.741910][ T10] inet6_addr_add+0x30e/0xa40 [ 8355.741910][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8355.741910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8355.741910][ T10] netlink_rcv_skb+0x130/0x360 [ 8355.741910][ T10] netlink_unicast+0x449/0x710 [ 8355.741910][ T10] netlink_sendmsg+0x723/0xbe0 [ 8355.741910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8355.741910][ T10] ___sys_sendmsg+0xee/0x170 [ 8355.741910][ T10] __sys_sendmsg+0xcd/0x170 [ 8355.741910][ T10] do_syscall_64+0xc6/0x1e0 [ 8355.741910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8355.741910][ T10] [ 8355.744179][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8355.744179][ T10] netdev_get_by_index+0x5e/0x80 [ 8355.744179][ T10] fib6_nh_init+0x3d8/0x1580 [ 8355.744179][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8355.744179][ T10] ip6_route_add+0x1c/0x140 [ 8355.744179][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8355.744179][ T10] addrconf_add_dev+0xe2/0x170 [ 8355.744179][ T10] inet6_addr_add+0x12f/0xa40 [ 8355.744179][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8355.744179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8355.744179][ T10] netlink_rcv_skb+0x130/0x360 [ 8355.744179][ T10] netlink_unicast+0x449/0x710 [ 8355.744179][ T10] netlink_sendmsg+0x723/0xbe0 [ 8355.744179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8355.744179][ T10] ___sys_sendmsg+0xee/0x170 [ 8355.744179][ T10] __sys_sendmsg+0xcd/0x170 [ 8355.744179][ T10] do_syscall_64+0xc6/0x1e0 [ 8355.744179][ T10] [ 8355.746356][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8355.746356][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8355.746356][ T10] ipv6_find_idev+0x102/0x170 [ 8355.746356][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8355.746356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8355.746356][ T10] netlink_rcv_skb+0x130/0x360 [ 8355.746356][ T10] netlink_unicast+0x449/0x710 [ 8355.746356][ T10] netlink_sendmsg+0x723/0xbe0 [ 8355.746356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8355.746356][ T10] ___sys_sendmsg+0xee/0x170 [ 8355.746356][ T10] __sys_sendmsg+0xcd/0x170 [ 8355.746356][ T10] do_syscall_64+0xc6/0x1e0 [ 8355.746356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8355.746356][ T10] [ 8355.747991][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8355.747991][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8355.747991][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8355.747991][ T10] ipv6_find_idev+0x102/0x170 [ 8355.747991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8355.747991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8355.747991][ T10] netlink_rcv_skb+0x130/0x360 [ 8355.747991][ T10] netlink_unicast+0x449/0x710 [ 8355.747991][ T10] netlink_sendmsg+0x723/0xbe0 [ 8355.747991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8355.747991][ T10] ___sys_sendmsg+0xee/0x170 [ 8355.747991][ T10] __sys_sendmsg+0xcd/0x170 [ 8355.747991][ T10] do_syscall_64+0xc6/0x1e0 [ 8355.747991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8355.747991][ T10] [ 8355.749850][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8355.750515][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8355.750515][ T10] netdev_get_by_index+0x5e/0x80 [ 8355.750515][ T10] fib6_nh_init+0x3d8/0x1580 [ 8355.750515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8355.750515][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8355.750515][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8355.750515][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8355.750515][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8355.750515][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8355.750515][ T10] addrconf_dad_begin+0x310/0x670 [ 8355.750515][ T10] addrconf_dad_work+0x10b/0xab0 [ 8355.750515][ T10] process_one_work+0x84d/0x18a0 [ 8355.750515][ T10] worker_thread+0x587/0xd30 [ 8355.750515][ T10] kthread+0x28a/0x350 [ 8355.750515][ T10] ret_from_fork+0x31/0x70 [ 8355.750515][ T10] ret_from_fork_asm+0x1a/0x30 [ 8355.750515][ T10] [ 8355.752398][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8355.752398][ T10] netdev_get_by_index+0x5e/0x80 [ 8355.752398][ T10] fib6_nh_init+0x3d8/0x1580 [ 8355.752398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8355.752398][ T10] ip6_route_add+0x1c/0x140 [ 8355.752398][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8355.752398][ T10] inet6_addr_add+0x4f8/0xa40 [ 8355.752398][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8355.752398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8355.752398][ T10] netlink_rcv_skb+0x130/0x360 [ 8355.752398][ T10] netlink_unicast+0x449/0x710 [ 8355.752398][ T10] netlink_sendmsg+0x723/0xbe0 [ 8355.752398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8355.752398][ T10] ___sys_sendmsg+0xee/0x170 [ 8355.752398][ T10] __sys_sendmsg+0xcd/0x170 [ 8355.752398][ T10] do_syscall_64+0xc6/0x1e0 [ 8355.752398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8355.752398][ T10] [ 8355.754499][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8355.754499][ T10] netdev_get_by_index+0x5e/0x80 [ 8355.754499][ T10] fib6_nh_init+0x3d8/0x1580 [ 8355.754499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8355.754499][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8355.754499][ T10] ipv6_add_addr+0x411/0x2000 [ 8355.754499][ T10] inet6_addr_add+0x30e/0xa40 [ 8355.754499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8355.754499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8355.754499][ T10] netlink_rcv_skb+0x130/0x360 [ 8355.754499][ T10] netlink_unicast+0x449/0x710 [ 8355.754499][ T10] netlink_sendmsg+0x723/0xbe0 [ 8355.754499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8355.754499][ T10] ___sys_sendmsg+0xee/0x170 [ 8355.754499][ T10] __sys_sendmsg+0xcd/0x170 [ 8355.754499][ T10] do_syscall_64+0xc6/0x1e0 [ 8355.754499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8355.754499][ T10] [ 8355.756808][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8355.756808][ T10] netdev_get_by_index+0x5e/0x80 [ 8355.756808][ T10] fib6_nh_init+0x3d8/0x1580 [ 8355.756808][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8355.756808][ T10] ip6_route_add+0x1c/0x140 [ 8355.756808][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8355.756808][ T10] addrconf_add_dev+0xe2/0x170 [ 8355.756808][ T10] inet6_addr_add+0x12f/0xa40 [ 8355.756808][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8355.756808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8355.756808][ T10] netlink_rcv_skb+0x130/0x360 [ 8355.756808][ T10] netlink_unicast+0x449/0x710 [ 8355.756808][ T10] netlink_sendmsg+0x723/0xbe0 [ 8355.756808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8355.756808][ T10] ___sys_sendmsg+0xee/0x170 [ 8355.756808][ T10] __sys_sendmsg+0xcd/0x170 [ 8355.756808][ T10] do_syscall_64+0xc6/0x1e0 [ 8355.756808][ T10] [ 8355.759029][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8355.759029][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8355.759029][ T10] ipv6_find_idev+0x102/0x170 [ 8355.759029][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8355.759029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8355.759029][ T10] netlink_rcv_skb+0x130/0x360 [ 8355.759029][ T10] netlink_unicast+0x449/0x710 [ 8355.759029][ T10] netlink_sendmsg+0x723/0xbe0 [ 8355.759029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8355.759029][ T10] ___sys_sendmsg+0xee/0x170 [ 8355.759029][ T10] __sys_sendmsg+0xcd/0x170 [ 8355.759029][ T10] do_syscall_64+0xc6/0x1e0 [ 8355.759029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8355.759029][ T10] [ 8355.760801][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8355.760801][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8355.760801][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8355.760801][ T10] ipv6_find_idev+0x102/0x170 [ 8355.760801][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8355.760801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8355.760801][ T10] netlink_rcv_skb+0x130/0x360 [ 8355.760801][ T10] netlink_unicast+0x449/0x710 [ 8355.760801][ T10] netlink_sendmsg+0x723/0xbe0 [ 8355.760801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8355.760801][ T10] ___sys_sendmsg+0xee/0x170 [ 8355.760801][ T10] __sys_sendmsg+0xcd/0x170 [ 8355.760801][ T10] do_syscall_64+0xc6/0x1e0 [ 8355.760801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8355.760801][ T10] [ 8356.481128][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8356.481609][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8356.481609][ T1167] dst_init+0x84/0x4a0 [ 8356.481609][ T1167] dst_alloc+0x97/0x150 [ 8356.481609][ T1167] ip6_dst_alloc+0x23/0x90 [ 8356.481609][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8356.481609][ T1167] ip6_pol_route+0x56f/0x840 [ 8356.481609][ T1167] fib6_rule_lookup+0x334/0x630 [ 8356.481609][ T1167] ip6_route_output_flags+0x259/0x480 [ 8356.481609][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8356.481609][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8356.481609][ T1167] netlink_rcv_skb+0x130/0x360 [ 8356.481609][ T1167] netlink_unicast+0x449/0x710 [ 8356.481609][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8356.481609][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8356.481609][ T1167] ___sys_sendmsg+0xee/0x170 [ 8356.481609][ T1167] __sys_sendmsg+0xcd/0x170 [ 8356.481609][ T1167] do_syscall_64+0xc6/0x1e0 [ 8356.481609][ T1167] [ 8356.483917][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8356.483917][ T1167] netdev_get_by_index+0x5e/0x80 [ 8356.483917][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8356.483917][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8356.483917][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8356.483917][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8356.483917][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8356.483917][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8356.483917][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8356.483917][ T1167] addrconf_dad_begin+0x310/0x670 [ 8356.483917][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8356.483917][ T1167] process_one_work+0x84d/0x18a0 [ 8356.483917][ T1167] worker_thread+0x587/0xd30 [ 8356.483917][ T1167] kthread+0x28a/0x350 [ 8356.483917][ T1167] ret_from_fork+0x31/0x70 [ 8356.483917][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8356.483917][ T1167] [ 8356.486159][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8356.486159][ T1167] netdev_get_by_index+0x5e/0x80 [ 8356.486159][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8356.486159][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8356.486159][ T1167] ip6_route_add+0x1c/0x140 [ 8356.486159][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8356.486159][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8356.486159][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8356.486159][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8356.486159][ T1167] netlink_rcv_skb+0x130/0x360 [ 8356.486159][ T1167] netlink_unicast+0x449/0x710 [ 8356.486159][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8356.486159][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8356.486159][ T1167] ___sys_sendmsg+0xee/0x170 [ 8356.486159][ T1167] __sys_sendmsg+0xcd/0x170 [ 8356.486159][ T1167] do_syscall_64+0xc6/0x1e0 [ 8356.486159][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8356.486159][ T1167] [ 8356.488510][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8356.488510][ T1167] netdev_get_by_index+0x5e/0x80 [ 8356.488510][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8356.488510][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8356.488510][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8356.488510][ T1167] ipv6_add_addr+0x411/0x2000 [ 8356.488510][ T1167] inet6_addr_add+0x30e/0xa40 [ 8356.488510][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8356.488510][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8356.488510][ T1167] netlink_rcv_skb+0x130/0x360 [ 8356.488510][ T1167] netlink_unicast+0x449/0x710 [ 8356.488510][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8356.488510][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8356.488510][ T1167] ___sys_sendmsg+0xee/0x170 [ 8356.488510][ T1167] __sys_sendmsg+0xcd/0x170 [ 8356.488510][ T1167] do_syscall_64+0xc6/0x1e0 [ 8356.488510][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8356.488510][ T1167] [ 8356.490868][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8356.490868][ T1167] netdev_get_by_index+0x5e/0x80 [ 8356.490868][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8356.490868][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8356.490868][ T1167] ip6_route_add+0x1c/0x140 [ 8356.490868][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8356.490868][ T1167] addrconf_add_dev+0xe2/0x170 [ 8356.490868][ T1167] inet6_addr_add+0x12f/0xa40 [ 8356.490868][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8356.490868][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8356.490868][ T1167] netlink_rcv_skb+0x130/0x360 [ 8356.490868][ T1167] netlink_unicast+0x449/0x710 [ 8356.490868][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8356.490868][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8356.490868][ T1167] ___sys_sendmsg+0xee/0x170 [ 8356.490868][ T1167] __sys_sendmsg+0xcd/0x170 [ 8356.490868][ T1167] do_syscall_64+0xc6/0x1e0 [ 8356.490868][ T1167] [ 8356.493204][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8356.493204][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8356.493204][ T1167] ipv6_find_idev+0x102/0x170 [ 8356.493204][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8356.493204][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8356.493204][ T1167] netlink_rcv_skb+0x130/0x360 [ 8356.493204][ T1167] netlink_unicast+0x449/0x710 [ 8356.493204][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8356.493204][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8356.493204][ T1167] ___sys_sendmsg+0xee/0x170 [ 8356.493204][ T1167] __sys_sendmsg+0xcd/0x170 [ 8356.493204][ T1167] do_syscall_64+0xc6/0x1e0 [ 8356.493204][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8356.493204][ T1167] [ 8356.495015][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8356.495015][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8356.495015][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8356.495015][ T1167] ipv6_find_idev+0x102/0x170 [ 8356.495015][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8356.495015][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8356.495015][ T1167] netlink_rcv_skb+0x130/0x360 [ 8356.495015][ T1167] netlink_unicast+0x449/0x710 [ 8356.495015][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8356.495015][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8356.495015][ T1167] ___sys_sendmsg+0xee/0x170 [ 8356.495015][ T1167] __sys_sendmsg+0xcd/0x170 [ 8356.495015][ T1167] do_syscall_64+0xc6/0x1e0 [ 8356.495015][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8356.495015][ T1167] [ 8366.017026][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8366.017454][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8366.017454][ T10] netdev_get_by_index+0x5e/0x80 [ 8366.017454][ T10] fib6_nh_init+0x3d8/0x1580 [ 8366.017454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8366.017454][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8366.017454][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8366.017454][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8366.017454][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8366.017454][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8366.017454][ T10] addrconf_dad_begin+0x310/0x670 [ 8366.017454][ T10] addrconf_dad_work+0x10b/0xab0 [ 8366.017454][ T10] process_one_work+0x84d/0x18a0 [ 8366.017454][ T10] worker_thread+0x587/0xd30 [ 8366.017454][ T10] kthread+0x28a/0x350 [ 8366.017454][ T10] ret_from_fork+0x31/0x70 [ 8366.017454][ T10] ret_from_fork_asm+0x1a/0x30 [ 8366.017454][ T10] [ 8366.019483][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8366.019483][ T10] netdev_get_by_index+0x5e/0x80 [ 8366.019483][ T10] fib6_nh_init+0x3d8/0x1580 [ 8366.019483][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8366.019483][ T10] ip6_route_add+0x1c/0x140 [ 8366.019483][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8366.019483][ T10] inet6_addr_add+0x4f8/0xa40 [ 8366.019483][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8366.019483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8366.019483][ T10] netlink_rcv_skb+0x130/0x360 [ 8366.019483][ T10] netlink_unicast+0x449/0x710 [ 8366.019483][ T10] netlink_sendmsg+0x723/0xbe0 [ 8366.019483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8366.019483][ T10] ___sys_sendmsg+0xee/0x170 [ 8366.019483][ T10] __sys_sendmsg+0xcd/0x170 [ 8366.019483][ T10] do_syscall_64+0xc6/0x1e0 [ 8366.019483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8366.019483][ T10] [ 8366.021560][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8366.021560][ T10] netdev_get_by_index+0x5e/0x80 [ 8366.021560][ T10] fib6_nh_init+0x3d8/0x1580 [ 8366.021560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8366.021560][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8366.021560][ T10] ipv6_add_addr+0x411/0x2000 [ 8366.021560][ T10] inet6_addr_add+0x30e/0xa40 [ 8366.021560][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8366.021560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8366.021560][ T10] netlink_rcv_skb+0x130/0x360 [ 8366.021560][ T10] netlink_unicast+0x449/0x710 [ 8366.021560][ T10] netlink_sendmsg+0x723/0xbe0 [ 8366.021560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8366.021560][ T10] ___sys_sendmsg+0xee/0x170 [ 8366.021560][ T10] __sys_sendmsg+0xcd/0x170 [ 8366.021560][ T10] do_syscall_64+0xc6/0x1e0 [ 8366.021560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8366.021560][ T10] [ 8366.023633][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8366.023633][ T10] netdev_get_by_index+0x5e/0x80 [ 8366.023633][ T10] fib6_nh_init+0x3d8/0x1580 [ 8366.023633][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8366.023633][ T10] ip6_route_add+0x1c/0x140 [ 8366.023633][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8366.023633][ T10] addrconf_add_dev+0xe2/0x170 [ 8366.023633][ T10] inet6_addr_add+0x12f/0xa40 [ 8366.023633][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8366.023633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8366.023633][ T10] netlink_rcv_skb+0x130/0x360 [ 8366.023633][ T10] netlink_unicast+0x449/0x710 [ 8366.023633][ T10] netlink_sendmsg+0x723/0xbe0 [ 8366.023633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8366.023633][ T10] ___sys_sendmsg+0xee/0x170 [ 8366.023633][ T10] __sys_sendmsg+0xcd/0x170 [ 8366.023633][ T10] do_syscall_64+0xc6/0x1e0 [ 8366.023633][ T10] [ 8366.025677][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8366.025677][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8366.025677][ T10] ipv6_find_idev+0x102/0x170 [ 8366.025677][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8366.025677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8366.025677][ T10] netlink_rcv_skb+0x130/0x360 [ 8366.025677][ T10] netlink_unicast+0x449/0x710 [ 8366.025677][ T10] netlink_sendmsg+0x723/0xbe0 [ 8366.025677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8366.025677][ T10] ___sys_sendmsg+0xee/0x170 [ 8366.025677][ T10] __sys_sendmsg+0xcd/0x170 [ 8366.025677][ T10] do_syscall_64+0xc6/0x1e0 [ 8366.025677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8366.025677][ T10] [ 8366.027275][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8366.027275][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8366.027275][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8366.027275][ T10] ipv6_find_idev+0x102/0x170 [ 8366.027275][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8366.027275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8366.027275][ T10] netlink_rcv_skb+0x130/0x360 [ 8366.027275][ T10] netlink_unicast+0x449/0x710 [ 8366.027275][ T10] netlink_sendmsg+0x723/0xbe0 [ 8366.027275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8366.027275][ T10] ___sys_sendmsg+0xee/0x170 [ 8366.027275][ T10] __sys_sendmsg+0xcd/0x170 [ 8366.027275][ T10] do_syscall_64+0xc6/0x1e0 [ 8366.027275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8366.027275][ T10] [ 8366.029026][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8366.029270][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8366.029270][ T10] netdev_get_by_index+0x5e/0x80 [ 8366.029270][ T10] fib6_nh_init+0x3d8/0x1580 [ 8366.029270][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8366.029270][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8366.029270][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8366.029270][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8366.029270][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8366.029270][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8366.029270][ T10] addrconf_dad_begin+0x310/0x670 [ 8366.029270][ T10] addrconf_dad_work+0x10b/0xab0 [ 8366.029270][ T10] process_one_work+0x84d/0x18a0 [ 8366.029270][ T10] worker_thread+0x587/0xd30 [ 8366.029270][ T10] kthread+0x28a/0x350 [ 8366.029270][ T10] ret_from_fork+0x31/0x70 [ 8366.029270][ T10] ret_from_fork_asm+0x1a/0x30 [ 8366.029270][ T10] [ 8366.031248][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8366.031248][ T10] netdev_get_by_index+0x5e/0x80 [ 8366.031248][ T10] fib6_nh_init+0x3d8/0x1580 [ 8366.031248][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8366.031248][ T10] ip6_route_add+0x1c/0x140 [ 8366.031248][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8366.031248][ T10] inet6_addr_add+0x4f8/0xa40 [ 8366.031248][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8366.031248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8366.031248][ T10] netlink_rcv_skb+0x130/0x360 [ 8366.031248][ T10] netlink_unicast+0x449/0x710 [ 8366.031248][ T10] netlink_sendmsg+0x723/0xbe0 [ 8366.031248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8366.031248][ T10] ___sys_sendmsg+0xee/0x170 [ 8366.031248][ T10] __sys_sendmsg+0xcd/0x170 [ 8366.031248][ T10] do_syscall_64+0xc6/0x1e0 [ 8366.031248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8366.031248][ T10] [ 8366.033316][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8366.033316][ T10] netdev_get_by_index+0x5e/0x80 [ 8366.033316][ T10] fib6_nh_init+0x3d8/0x1580 [ 8366.033316][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8366.033316][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8366.033316][ T10] ipv6_add_addr+0x411/0x2000 [ 8366.033316][ T10] inet6_addr_add+0x30e/0xa40 [ 8366.033316][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8366.033316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8366.033316][ T10] netlink_rcv_skb+0x130/0x360 [ 8366.033316][ T10] netlink_unicast+0x449/0x710 [ 8366.033316][ T10] netlink_sendmsg+0x723/0xbe0 [ 8366.033316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8366.033316][ T10] ___sys_sendmsg+0xee/0x170 [ 8366.033316][ T10] __sys_sendmsg+0xcd/0x170 [ 8366.033316][ T10] do_syscall_64+0xc6/0x1e0 [ 8366.033316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8366.033316][ T10] [ 8366.035402][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8366.035402][ T10] netdev_get_by_index+0x5e/0x80 [ 8366.035402][ T10] fib6_nh_init+0x3d8/0x1580 [ 8366.035402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8366.035402][ T10] ip6_route_add+0x1c/0x140 [ 8366.035402][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8366.035402][ T10] addrconf_add_dev+0xe2/0x170 [ 8366.035402][ T10] inet6_addr_add+0x12f/0xa40 [ 8366.035402][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8366.035402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8366.035402][ T10] netlink_rcv_skb+0x130/0x360 [ 8366.035402][ T10] netlink_unicast+0x449/0x710 [ 8366.035402][ T10] netlink_sendmsg+0x723/0xbe0 [ 8366.035402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8366.035402][ T10] ___sys_sendmsg+0xee/0x170 [ 8366.035402][ T10] __sys_sendmsg+0xcd/0x170 [ 8366.035402][ T10] do_syscall_64+0xc6/0x1e0 [ 8366.035402][ T10] [ 8366.037435][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8366.037435][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8366.037435][ T10] ipv6_find_idev+0x102/0x170 [ 8366.037435][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8366.037435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8366.037435][ T10] netlink_rcv_skb+0x130/0x360 [ 8366.037435][ T10] netlink_unicast+0x449/0x710 [ 8366.037435][ T10] netlink_sendmsg+0x723/0xbe0 [ 8366.037435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8366.037435][ T10] ___sys_sendmsg+0xee/0x170 [ 8366.037435][ T10] __sys_sendmsg+0xcd/0x170 [ 8366.037435][ T10] do_syscall_64+0xc6/0x1e0 [ 8366.037435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8366.037435][ T10] [ 8366.039035][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8366.039035][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8366.039035][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8366.039035][ T10] ipv6_find_idev+0x102/0x170 [ 8366.039035][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8366.039035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8366.039035][ T10] netlink_rcv_skb+0x130/0x360 [ 8366.039035][ T10] netlink_unicast+0x449/0x710 [ 8366.039035][ T10] netlink_sendmsg+0x723/0xbe0 [ 8366.039035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8366.039035][ T10] ___sys_sendmsg+0xee/0x170 [ 8366.039035][ T10] __sys_sendmsg+0xcd/0x170 [ 8366.039035][ T10] do_syscall_64+0xc6/0x1e0 [ 8366.039035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8366.039035][ T10] [ 8366.040788][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8366.041037][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8366.041037][ T10] netdev_get_by_index+0x5e/0x80 [ 8366.041037][ T10] fib6_nh_init+0x3d8/0x1580 [ 8366.041037][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8366.041037][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8366.041037][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8366.041037][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8366.041037][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8366.041037][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8366.041037][ T10] addrconf_dad_begin+0x310/0x670 [ 8366.041037][ T10] addrconf_dad_work+0x10b/0xab0 [ 8366.041037][ T10] process_one_work+0x84d/0x18a0 [ 8366.041037][ T10] worker_thread+0x587/0xd30 [ 8366.041037][ T10] kthread+0x28a/0x350 [ 8366.041037][ T10] ret_from_fork+0x31/0x70 [ 8366.041037][ T10] ret_from_fork_asm+0x1a/0x30 [ 8366.041037][ T10] [ 8366.043011][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8366.043011][ T10] netdev_get_by_index+0x5e/0x80 [ 8366.043011][ T10] fib6_nh_init+0x3d8/0x1580 [ 8366.043011][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8366.043011][ T10] ip6_route_add+0x1c/0x140 [ 8366.043011][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8366.043011][ T10] inet6_addr_add+0x4f8/0xa40 [ 8366.043011][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8366.043011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8366.043011][ T10] netlink_rcv_skb+0x130/0x360 [ 8366.043011][ T10] netlink_unicast+0x449/0x710 [ 8366.043011][ T10] netlink_sendmsg+0x723/0xbe0 [ 8366.043011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8366.043011][ T10] ___sys_sendmsg+0xee/0x170 [ 8366.043011][ T10] __sys_sendmsg+0xcd/0x170 [ 8366.043011][ T10] do_syscall_64+0xc6/0x1e0 [ 8366.043011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8366.043011][ T10] [ 8366.045159][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8366.045159][ T10] netdev_get_by_index+0x5e/0x80 [ 8366.045159][ T10] fib6_nh_init+0x3d8/0x1580 [ 8366.045159][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8366.045159][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8366.045159][ T10] ipv6_add_addr+0x411/0x2000 [ 8366.045159][ T10] inet6_addr_add+0x30e/0xa40 [ 8366.045159][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8366.045159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8366.045159][ T10] netlink_rcv_skb+0x130/0x360 [ 8366.045159][ T10] netlink_unicast+0x449/0x710 [ 8366.045159][ T10] netlink_sendmsg+0x723/0xbe0 [ 8366.045159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8366.045159][ T10] ___sys_sendmsg+0xee/0x170 [ 8366.045159][ T10] __sys_sendmsg+0xcd/0x170 [ 8366.045159][ T10] do_syscall_64+0xc6/0x1e0 [ 8366.045159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8366.045159][ T10] [ 8366.047370][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8366.047370][ T10] netdev_get_by_index+0x5e/0x80 [ 8366.047370][ T10] fib6_nh_init+0x3d8/0x1580 [ 8366.047370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8366.047370][ T10] ip6_route_add+0x1c/0x140 [ 8366.047370][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8366.047370][ T10] addrconf_add_dev+0xe2/0x170 [ 8366.047370][ T10] inet6_addr_add+0x12f/0xa40 [ 8366.047370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8366.047370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8366.047370][ T10] netlink_rcv_skb+0x130/0x360 [ 8366.047370][ T10] netlink_unicast+0x449/0x710 [ 8366.047370][ T10] netlink_sendmsg+0x723/0xbe0 [ 8366.047370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8366.047370][ T10] ___sys_sendmsg+0xee/0x170 [ 8366.047370][ T10] __sys_sendmsg+0xcd/0x170 [ 8366.047370][ T10] do_syscall_64+0xc6/0x1e0 [ 8366.047370][ T10] [ 8366.049468][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8366.049468][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8366.049468][ T10] ipv6_find_idev+0x102/0x170 [ 8366.049468][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8366.049468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8366.049468][ T10] netlink_rcv_skb+0x130/0x360 [ 8366.049468][ T10] netlink_unicast+0x449/0x710 [ 8366.049468][ T10] netlink_sendmsg+0x723/0xbe0 [ 8366.049468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8366.049468][ T10] ___sys_sendmsg+0xee/0x170 [ 8366.049468][ T10] __sys_sendmsg+0xcd/0x170 [ 8366.049468][ T10] do_syscall_64+0xc6/0x1e0 [ 8366.049468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8366.049468][ T10] [ 8366.051130][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8366.051130][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8366.051130][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8366.051130][ T10] ipv6_find_idev+0x102/0x170 [ 8366.051130][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8366.051130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8366.051130][ T10] netlink_rcv_skb+0x130/0x360 [ 8366.051130][ T10] netlink_unicast+0x449/0x710 [ 8366.051130][ T10] netlink_sendmsg+0x723/0xbe0 [ 8366.051130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8366.051130][ T10] ___sys_sendmsg+0xee/0x170 [ 8366.051130][ T10] __sys_sendmsg+0xcd/0x170 [ 8366.051130][ T10] do_syscall_64+0xc6/0x1e0 [ 8366.051130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8366.051130][ T10] [ 8366.053015][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8366.053257][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8366.053257][ T10] netdev_get_by_index+0x5e/0x80 [ 8366.053257][ T10] fib6_nh_init+0x3d8/0x1580 [ 8366.053257][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8366.053257][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8366.053257][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8366.053257][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8366.053257][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8366.053257][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8366.053257][ T10] addrconf_dad_begin+0x310/0x670 [ 8366.053257][ T10] addrconf_dad_work+0x10b/0xab0 [ 8366.053257][ T10] process_one_work+0x84d/0x18a0 [ 8366.053257][ T10] worker_thread+0x587/0xd30 [ 8366.053257][ T10] kthread+0x28a/0x350 [ 8366.053257][ T10] ret_from_fork+0x31/0x70 [ 8366.053257][ T10] ret_from_fork_asm+0x1a/0x30 [ 8366.053257][ T10] [ 8366.055301][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8366.055301][ T10] netdev_get_by_index+0x5e/0x80 [ 8366.055301][ T10] fib6_nh_init+0x3d8/0x1580 [ 8366.055301][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8366.055301][ T10] ip6_route_add+0x1c/0x140 [ 8366.055301][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8366.055301][ T10] inet6_addr_add+0x4f8/0xa40 [ 8366.055301][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8366.055301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8366.055301][ T10] netlink_rcv_skb+0x130/0x360 [ 8366.055301][ T10] netlink_unicast+0x449/0x710 [ 8366.055301][ T10] netlink_sendmsg+0x723/0xbe0 [ 8366.055301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8366.055301][ T10] ___sys_sendmsg+0xee/0x170 [ 8366.055301][ T10] __sys_sendmsg+0xcd/0x170 [ 8366.055301][ T10] do_syscall_64+0xc6/0x1e0 [ 8366.055301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8366.055301][ T10] [ 8366.057502][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8366.057502][ T10] netdev_get_by_index+0x5e/0x80 [ 8366.057502][ T10] fib6_nh_init+0x3d8/0x1580 [ 8366.057502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8366.057502][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8366.057502][ T10] ipv6_add_addr+0x411/0x2000 [ 8366.057502][ T10] inet6_addr_add+0x30e/0xa40 [ 8366.057502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8366.057502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8366.057502][ T10] netlink_rcv_skb+0x130/0x360 [ 8366.057502][ T10] netlink_unicast+0x449/0x710 [ 8366.057502][ T10] netlink_sendmsg+0x723/0xbe0 [ 8366.057502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8366.057502][ T10] ___sys_sendmsg+0xee/0x170 [ 8366.057502][ T10] __sys_sendmsg+0xcd/0x170 [ 8366.057502][ T10] do_syscall_64+0xc6/0x1e0 [ 8366.057502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8366.057502][ T10] [ 8366.059677][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8366.059677][ T10] netdev_get_by_index+0x5e/0x80 [ 8366.059677][ T10] fib6_nh_init+0x3d8/0x1580 [ 8366.059677][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8366.059677][ T10] ip6_route_add+0x1c/0x140 [ 8366.059677][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8366.059677][ T10] addrconf_add_dev+0xe2/0x170 [ 8366.059677][ T10] inet6_addr_add+0x12f/0xa40 [ 8366.059677][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8366.059677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8366.059677][ T10] netlink_rcv_skb+0x130/0x360 [ 8366.059677][ T10] netlink_unicast+0x449/0x710 [ 8366.059677][ T10] netlink_sendmsg+0x723/0xbe0 [ 8366.059677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8366.059677][ T10] ___sys_sendmsg+0xee/0x170 [ 8366.059677][ T10] __sys_sendmsg+0xcd/0x170 [ 8366.059677][ T10] do_syscall_64+0xc6/0x1e0 [ 8366.059677][ T10] [ 8366.061784][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8366.061784][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8366.061784][ T10] ipv6_find_idev+0x102/0x170 [ 8366.061784][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8366.061784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8366.061784][ T10] netlink_rcv_skb+0x130/0x360 [ 8366.061784][ T10] netlink_unicast+0x449/0x710 [ 8366.061784][ T10] netlink_sendmsg+0x723/0xbe0 [ 8366.061784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8366.061784][ T10] ___sys_sendmsg+0xee/0x170 [ 8366.061784][ T10] __sys_sendmsg+0xcd/0x170 [ 8366.061784][ T10] do_syscall_64+0xc6/0x1e0 [ 8366.061784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8366.061784][ T10] [ 8366.063454][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8366.063454][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8366.063454][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8366.063454][ T10] ipv6_find_idev+0x102/0x170 [ 8366.063454][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8366.063454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8366.063454][ T10] netlink_rcv_skb+0x130/0x360 [ 8366.063454][ T10] netlink_unicast+0x449/0x710 [ 8366.063454][ T10] netlink_sendmsg+0x723/0xbe0 [ 8366.063454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8366.063454][ T10] ___sys_sendmsg+0xee/0x170 [ 8366.063454][ T10] __sys_sendmsg+0xcd/0x170 [ 8366.063454][ T10] do_syscall_64+0xc6/0x1e0 [ 8366.063454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8366.063454][ T10] [ 8366.737098][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8366.737561][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8366.737561][ T1167] dst_init+0x84/0x4a0 [ 8366.737561][ T1167] dst_alloc+0x97/0x150 [ 8366.737561][ T1167] ip6_dst_alloc+0x23/0x90 [ 8366.737561][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8366.737561][ T1167] ip6_pol_route+0x56f/0x840 [ 8366.737561][ T1167] fib6_rule_lookup+0x334/0x630 [ 8366.737561][ T1167] ip6_route_output_flags+0x259/0x480 [ 8366.737561][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8366.737561][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8366.737561][ T1167] netlink_rcv_skb+0x130/0x360 [ 8366.737561][ T1167] netlink_unicast+0x449/0x710 [ 8366.737561][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8366.737561][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8366.737561][ T1167] ___sys_sendmsg+0xee/0x170 [ 8366.737561][ T1167] __sys_sendmsg+0xcd/0x170 [ 8366.737561][ T1167] do_syscall_64+0xc6/0x1e0 [ 8366.737561][ T1167] [ 8366.739836][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8366.739836][ T1167] netdev_get_by_index+0x5e/0x80 [ 8366.739836][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8366.739836][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8366.739836][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8366.739836][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8366.739836][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8366.739836][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8366.739836][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8366.739836][ T1167] addrconf_dad_begin+0x310/0x670 [ 8366.739836][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8366.739836][ T1167] process_one_work+0x84d/0x18a0 [ 8366.739836][ T1167] worker_thread+0x587/0xd30 [ 8366.739836][ T1167] kthread+0x28a/0x350 [ 8366.739836][ T1167] ret_from_fork+0x31/0x70 [ 8366.739836][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8366.739836][ T1167] [ 8366.741989][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8366.741989][ T1167] netdev_get_by_index+0x5e/0x80 [ 8366.741989][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8366.741989][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8366.741989][ T1167] ip6_route_add+0x1c/0x140 [ 8366.741989][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8366.741989][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8366.741989][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8366.741989][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8366.741989][ T1167] netlink_rcv_skb+0x130/0x360 [ 8366.741989][ T1167] netlink_unicast+0x449/0x710 [ 8366.741989][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8366.741989][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8366.741989][ T1167] ___sys_sendmsg+0xee/0x170 [ 8366.741989][ T1167] __sys_sendmsg+0xcd/0x170 [ 8366.741989][ T1167] do_syscall_64+0xc6/0x1e0 [ 8366.741989][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8366.741989][ T1167] [ 8366.744240][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8366.744240][ T1167] netdev_get_by_index+0x5e/0x80 [ 8366.744240][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8366.744240][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8366.744240][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8366.744240][ T1167] ipv6_add_addr+0x411/0x2000 [ 8366.744240][ T1167] inet6_addr_add+0x30e/0xa40 [ 8366.744240][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8366.744240][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8366.744240][ T1167] netlink_rcv_skb+0x130/0x360 [ 8366.744240][ T1167] netlink_unicast+0x449/0x710 [ 8366.744240][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8366.744240][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8366.744240][ T1167] ___sys_sendmsg+0xee/0x170 [ 8366.744240][ T1167] __sys_sendmsg+0xcd/0x170 [ 8366.744240][ T1167] do_syscall_64+0xc6/0x1e0 [ 8366.744240][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8366.744240][ T1167] [ 8366.746496][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8366.746496][ T1167] netdev_get_by_index+0x5e/0x80 [ 8366.746496][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8366.746496][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8366.746496][ T1167] ip6_route_add+0x1c/0x140 [ 8366.746496][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8366.746496][ T1167] addrconf_add_dev+0xe2/0x170 [ 8366.746496][ T1167] inet6_addr_add+0x12f/0xa40 [ 8366.746496][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8366.746496][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8366.746496][ T1167] netlink_rcv_skb+0x130/0x360 [ 8366.746496][ T1167] netlink_unicast+0x449/0x710 [ 8366.746496][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8366.746496][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8366.746496][ T1167] ___sys_sendmsg+0xee/0x170 [ 8366.746496][ T1167] __sys_sendmsg+0xcd/0x170 [ 8366.746496][ T1167] do_syscall_64+0xc6/0x1e0 [ 8366.746496][ T1167] [ 8366.748708][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8366.748708][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8366.748708][ T1167] ipv6_find_idev+0x102/0x170 [ 8366.748708][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8366.748708][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8366.748708][ T1167] netlink_rcv_skb+0x130/0x360 [ 8366.748708][ T1167] netlink_unicast+0x449/0x710 [ 8366.748708][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8366.748708][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8366.748708][ T1167] ___sys_sendmsg+0xee/0x170 [ 8366.748708][ T1167] __sys_sendmsg+0xcd/0x170 [ 8366.748708][ T1167] do_syscall_64+0xc6/0x1e0 [ 8366.748708][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8366.748708][ T1167] [ 8366.750445][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8366.750445][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8366.750445][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8366.750445][ T1167] ipv6_find_idev+0x102/0x170 [ 8366.750445][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8366.750445][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8366.750445][ T1167] netlink_rcv_skb+0x130/0x360 [ 8366.750445][ T1167] netlink_unicast+0x449/0x710 [ 8366.750445][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8366.750445][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8366.750445][ T1167] ___sys_sendmsg+0xee/0x170 [ 8366.750445][ T1167] __sys_sendmsg+0xcd/0x170 [ 8366.750445][ T1167] do_syscall_64+0xc6/0x1e0 [ 8366.750445][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8366.750445][ T1167] [ 8376.225137][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8376.225558][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8376.225558][ T10] netdev_get_by_index+0x5e/0x80 [ 8376.225558][ T10] fib6_nh_init+0x3d8/0x1580 [ 8376.225558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8376.225558][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8376.225558][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8376.225558][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8376.225558][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8376.225558][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8376.225558][ T10] addrconf_dad_begin+0x310/0x670 [ 8376.225558][ T10] addrconf_dad_work+0x10b/0xab0 [ 8376.225558][ T10] process_one_work+0x84d/0x18a0 [ 8376.225558][ T10] worker_thread+0x587/0xd30 [ 8376.225558][ T10] kthread+0x28a/0x350 [ 8376.225558][ T10] ret_from_fork+0x31/0x70 [ 8376.225558][ T10] ret_from_fork_asm+0x1a/0x30 [ 8376.225558][ T10] [ 8376.227540][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8376.227540][ T10] netdev_get_by_index+0x5e/0x80 [ 8376.227540][ T10] fib6_nh_init+0x3d8/0x1580 [ 8376.227540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8376.227540][ T10] ip6_route_add+0x1c/0x140 [ 8376.227540][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8376.227540][ T10] inet6_addr_add+0x4f8/0xa40 [ 8376.227540][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8376.227540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8376.227540][ T10] netlink_rcv_skb+0x130/0x360 [ 8376.227540][ T10] netlink_unicast+0x449/0x710 [ 8376.227540][ T10] netlink_sendmsg+0x723/0xbe0 [ 8376.227540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8376.227540][ T10] ___sys_sendmsg+0xee/0x170 [ 8376.227540][ T10] __sys_sendmsg+0xcd/0x170 [ 8376.227540][ T10] do_syscall_64+0xc6/0x1e0 [ 8376.227540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8376.227540][ T10] [ 8376.229567][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8376.229567][ T10] netdev_get_by_index+0x5e/0x80 [ 8376.229567][ T10] fib6_nh_init+0x3d8/0x1580 [ 8376.229567][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8376.229567][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8376.229567][ T10] ipv6_add_addr+0x411/0x2000 [ 8376.229567][ T10] inet6_addr_add+0x30e/0xa40 [ 8376.229567][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8376.229567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8376.229567][ T10] netlink_rcv_skb+0x130/0x360 [ 8376.229567][ T10] netlink_unicast+0x449/0x710 [ 8376.229567][ T10] netlink_sendmsg+0x723/0xbe0 [ 8376.229567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8376.229567][ T10] ___sys_sendmsg+0xee/0x170 [ 8376.229567][ T10] __sys_sendmsg+0xcd/0x170 [ 8376.229567][ T10] do_syscall_64+0xc6/0x1e0 [ 8376.229567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8376.229567][ T10] [ 8376.231646][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8376.231646][ T10] netdev_get_by_index+0x5e/0x80 [ 8376.231646][ T10] fib6_nh_init+0x3d8/0x1580 [ 8376.231646][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8376.231646][ T10] ip6_route_add+0x1c/0x140 [ 8376.231646][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8376.231646][ T10] addrconf_add_dev+0xe2/0x170 [ 8376.231646][ T10] inet6_addr_add+0x12f/0xa40 [ 8376.231646][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8376.231646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8376.231646][ T10] netlink_rcv_skb+0x130/0x360 [ 8376.231646][ T10] netlink_unicast+0x449/0x710 [ 8376.231646][ T10] netlink_sendmsg+0x723/0xbe0 [ 8376.231646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8376.231646][ T10] ___sys_sendmsg+0xee/0x170 [ 8376.231646][ T10] __sys_sendmsg+0xcd/0x170 [ 8376.231646][ T10] do_syscall_64+0xc6/0x1e0 [ 8376.231646][ T10] [ 8376.233693][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8376.233693][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8376.233693][ T10] ipv6_find_idev+0x102/0x170 [ 8376.233693][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8376.233693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8376.233693][ T10] netlink_rcv_skb+0x130/0x360 [ 8376.233693][ T10] netlink_unicast+0x449/0x710 [ 8376.233693][ T10] netlink_sendmsg+0x723/0xbe0 [ 8376.233693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8376.233693][ T10] ___sys_sendmsg+0xee/0x170 [ 8376.233693][ T10] __sys_sendmsg+0xcd/0x170 [ 8376.233693][ T10] do_syscall_64+0xc6/0x1e0 [ 8376.233693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8376.233693][ T10] [ 8376.235292][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8376.235292][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8376.235292][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8376.235292][ T10] ipv6_find_idev+0x102/0x170 [ 8376.235292][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8376.235292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8376.235292][ T10] netlink_rcv_skb+0x130/0x360 [ 8376.235292][ T10] netlink_unicast+0x449/0x710 [ 8376.235292][ T10] netlink_sendmsg+0x723/0xbe0 [ 8376.235292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8376.235292][ T10] ___sys_sendmsg+0xee/0x170 [ 8376.235292][ T10] __sys_sendmsg+0xcd/0x170 [ 8376.235292][ T10] do_syscall_64+0xc6/0x1e0 [ 8376.235292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8376.235292][ T10] [ 8376.237042][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8376.237296][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8376.237296][ T10] netdev_get_by_index+0x5e/0x80 [ 8376.237296][ T10] fib6_nh_init+0x3d8/0x1580 [ 8376.237296][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8376.237296][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8376.237296][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8376.237296][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8376.237296][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8376.237296][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8376.237296][ T10] addrconf_dad_begin+0x310/0x670 [ 8376.237296][ T10] addrconf_dad_work+0x10b/0xab0 [ 8376.237296][ T10] process_one_work+0x84d/0x18a0 [ 8376.237296][ T10] worker_thread+0x587/0xd30 [ 8376.237296][ T10] kthread+0x28a/0x350 [ 8376.237296][ T10] ret_from_fork+0x31/0x70 [ 8376.237296][ T10] ret_from_fork_asm+0x1a/0x30 [ 8376.237296][ T10] [ 8376.239294][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8376.239294][ T10] netdev_get_by_index+0x5e/0x80 [ 8376.239294][ T10] fib6_nh_init+0x3d8/0x1580 [ 8376.239294][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8376.239294][ T10] ip6_route_add+0x1c/0x140 [ 8376.239294][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8376.239294][ T10] inet6_addr_add+0x4f8/0xa40 [ 8376.239294][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8376.239294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8376.239294][ T10] netlink_rcv_skb+0x130/0x360 [ 8376.239294][ T10] netlink_unicast+0x449/0x710 [ 8376.239294][ T10] netlink_sendmsg+0x723/0xbe0 [ 8376.239294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8376.239294][ T10] ___sys_sendmsg+0xee/0x170 [ 8376.239294][ T10] __sys_sendmsg+0xcd/0x170 [ 8376.239294][ T10] do_syscall_64+0xc6/0x1e0 [ 8376.239294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8376.239294][ T10] [ 8376.241363][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8376.241363][ T10] netdev_get_by_index+0x5e/0x80 [ 8376.241363][ T10] fib6_nh_init+0x3d8/0x1580 [ 8376.241363][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8376.241363][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8376.241363][ T10] ipv6_add_addr+0x411/0x2000 [ 8376.241363][ T10] inet6_addr_add+0x30e/0xa40 [ 8376.241363][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8376.241363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8376.241363][ T10] netlink_rcv_skb+0x130/0x360 [ 8376.241363][ T10] netlink_unicast+0x449/0x710 [ 8376.241363][ T10] netlink_sendmsg+0x723/0xbe0 [ 8376.241363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8376.241363][ T10] ___sys_sendmsg+0xee/0x170 [ 8376.241363][ T10] __sys_sendmsg+0xcd/0x170 [ 8376.241363][ T10] do_syscall_64+0xc6/0x1e0 [ 8376.241363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8376.241363][ T10] [ 8376.243439][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8376.243439][ T10] netdev_get_by_index+0x5e/0x80 [ 8376.243439][ T10] fib6_nh_init+0x3d8/0x1580 [ 8376.243439][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8376.243439][ T10] ip6_route_add+0x1c/0x140 [ 8376.243439][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8376.243439][ T10] addrconf_add_dev+0xe2/0x170 [ 8376.243439][ T10] inet6_addr_add+0x12f/0xa40 [ 8376.243439][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8376.243439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8376.243439][ T10] netlink_rcv_skb+0x130/0x360 [ 8376.243439][ T10] netlink_unicast+0x449/0x710 [ 8376.243439][ T10] netlink_sendmsg+0x723/0xbe0 [ 8376.243439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8376.243439][ T10] ___sys_sendmsg+0xee/0x170 [ 8376.243439][ T10] __sys_sendmsg+0xcd/0x170 [ 8376.243439][ T10] do_syscall_64+0xc6/0x1e0 [ 8376.243439][ T10] [ 8376.245477][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8376.245477][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8376.245477][ T10] ipv6_find_idev+0x102/0x170 [ 8376.245477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8376.245477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8376.245477][ T10] netlink_rcv_skb+0x130/0x360 [ 8376.245477][ T10] netlink_unicast+0x449/0x710 [ 8376.245477][ T10] netlink_sendmsg+0x723/0xbe0 [ 8376.245477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8376.245477][ T10] ___sys_sendmsg+0xee/0x170 [ 8376.245477][ T10] __sys_sendmsg+0xcd/0x170 [ 8376.245477][ T10] do_syscall_64+0xc6/0x1e0 [ 8376.245477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8376.245477][ T10] [ 8376.247075][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8376.247075][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8376.247075][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8376.247075][ T10] ipv6_find_idev+0x102/0x170 [ 8376.247075][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8376.247075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8376.247075][ T10] netlink_rcv_skb+0x130/0x360 [ 8376.247075][ T10] netlink_unicast+0x449/0x710 [ 8376.247075][ T10] netlink_sendmsg+0x723/0xbe0 [ 8376.247075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8376.247075][ T10] ___sys_sendmsg+0xee/0x170 [ 8376.247075][ T10] __sys_sendmsg+0xcd/0x170 [ 8376.247075][ T10] do_syscall_64+0xc6/0x1e0 [ 8376.247075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8376.247075][ T10] [ 8376.248823][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8376.249079][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8376.249079][ T10] netdev_get_by_index+0x5e/0x80 [ 8376.249079][ T10] fib6_nh_init+0x3d8/0x1580 [ 8376.249079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8376.249079][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8376.249079][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8376.249079][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8376.249079][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8376.249079][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8376.249079][ T10] addrconf_dad_begin+0x310/0x670 [ 8376.249079][ T10] addrconf_dad_work+0x10b/0xab0 [ 8376.249079][ T10] process_one_work+0x84d/0x18a0 [ 8376.249079][ T10] worker_thread+0x587/0xd30 [ 8376.249079][ T10] kthread+0x28a/0x350 [ 8376.249079][ T10] ret_from_fork+0x31/0x70 [ 8376.249079][ T10] ret_from_fork_asm+0x1a/0x30 [ 8376.249079][ T10] [ 8376.251086][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8376.251086][ T10] netdev_get_by_index+0x5e/0x80 [ 8376.251086][ T10] fib6_nh_init+0x3d8/0x1580 [ 8376.251086][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8376.251086][ T10] ip6_route_add+0x1c/0x140 [ 8376.251086][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8376.251086][ T10] inet6_addr_add+0x4f8/0xa40 [ 8376.251086][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8376.251086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8376.251086][ T10] netlink_rcv_skb+0x130/0x360 [ 8376.251086][ T10] netlink_unicast+0x449/0x710 [ 8376.251086][ T10] netlink_sendmsg+0x723/0xbe0 [ 8376.251086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8376.251086][ T10] ___sys_sendmsg+0xee/0x170 [ 8376.251086][ T10] __sys_sendmsg+0xcd/0x170 [ 8376.251086][ T10] do_syscall_64+0xc6/0x1e0 [ 8376.251086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8376.251086][ T10] [ 8376.253334][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8376.253334][ T10] netdev_get_by_index+0x5e/0x80 [ 8376.253334][ T10] fib6_nh_init+0x3d8/0x1580 [ 8376.253334][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8376.253334][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8376.253334][ T10] ipv6_add_addr+0x411/0x2000 [ 8376.253334][ T10] inet6_addr_add+0x30e/0xa40 [ 8376.253334][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8376.253334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8376.253334][ T10] netlink_rcv_skb+0x130/0x360 [ 8376.253334][ T10] netlink_unicast+0x449/0x710 [ 8376.253334][ T10] netlink_sendmsg+0x723/0xbe0 [ 8376.253334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8376.253334][ T10] ___sys_sendmsg+0xee/0x170 [ 8376.253334][ T10] __sys_sendmsg+0xcd/0x170 [ 8376.253334][ T10] do_syscall_64+0xc6/0x1e0 [ 8376.253334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8376.253334][ T10] [ 8376.255653][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8376.255653][ T10] netdev_get_by_index+0x5e/0x80 [ 8376.255653][ T10] fib6_nh_init+0x3d8/0x1580 [ 8376.255653][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8376.255653][ T10] ip6_route_add+0x1c/0x140 [ 8376.255653][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8376.255653][ T10] addrconf_add_dev+0xe2/0x170 [ 8376.255653][ T10] inet6_addr_add+0x12f/0xa40 [ 8376.255653][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8376.255653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8376.255653][ T10] netlink_rcv_skb+0x130/0x360 [ 8376.255653][ T10] netlink_unicast+0x449/0x710 [ 8376.255653][ T10] netlink_sendmsg+0x723/0xbe0 [ 8376.255653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8376.255653][ T10] ___sys_sendmsg+0xee/0x170 [ 8376.255653][ T10] __sys_sendmsg+0xcd/0x170 [ 8376.255653][ T10] do_syscall_64+0xc6/0x1e0 [ 8376.255653][ T10] [ 8376.257942][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8376.257942][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8376.257942][ T10] ipv6_find_idev+0x102/0x170 [ 8376.257942][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8376.257942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8376.257942][ T10] netlink_rcv_skb+0x130/0x360 [ 8376.257942][ T10] netlink_unicast+0x449/0x710 [ 8376.257942][ T10] netlink_sendmsg+0x723/0xbe0 [ 8376.257942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8376.257942][ T10] ___sys_sendmsg+0xee/0x170 [ 8376.257942][ T10] __sys_sendmsg+0xcd/0x170 [ 8376.257942][ T10] do_syscall_64+0xc6/0x1e0 [ 8376.257942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8376.257942][ T10] [ 8376.259718][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8376.259718][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8376.259718][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8376.259718][ T10] ipv6_find_idev+0x102/0x170 [ 8376.259718][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8376.259718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8376.259718][ T10] netlink_rcv_skb+0x130/0x360 [ 8376.259718][ T10] netlink_unicast+0x449/0x710 [ 8376.259718][ T10] netlink_sendmsg+0x723/0xbe0 [ 8376.259718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8376.259718][ T10] ___sys_sendmsg+0xee/0x170 [ 8376.259718][ T10] __sys_sendmsg+0xcd/0x170 [ 8376.259718][ T10] do_syscall_64+0xc6/0x1e0 [ 8376.259718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8376.259718][ T10] [ 8376.261708][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8376.261955][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8376.261955][ T10] netdev_get_by_index+0x5e/0x80 [ 8376.261955][ T10] fib6_nh_init+0x3d8/0x1580 [ 8376.261955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8376.261955][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8376.261955][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8376.261955][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8376.261955][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8376.261955][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8376.261955][ T10] addrconf_dad_begin+0x310/0x670 [ 8376.261955][ T10] addrconf_dad_work+0x10b/0xab0 [ 8376.261955][ T10] process_one_work+0x84d/0x18a0 [ 8376.261955][ T10] worker_thread+0x587/0xd30 [ 8376.261955][ T10] kthread+0x28a/0x350 [ 8376.261955][ T10] ret_from_fork+0x31/0x70 [ 8376.261955][ T10] ret_from_fork_asm+0x1a/0x30 [ 8376.261955][ T10] [ 8376.264183][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8376.264183][ T10] netdev_get_by_index+0x5e/0x80 [ 8376.264183][ T10] fib6_nh_init+0x3d8/0x1580 [ 8376.264183][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8376.264183][ T10] ip6_route_add+0x1c/0x140 [ 8376.264183][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8376.264183][ T10] inet6_addr_add+0x4f8/0xa40 [ 8376.264183][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8376.264183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8376.264183][ T10] netlink_rcv_skb+0x130/0x360 [ 8376.264183][ T10] netlink_unicast+0x449/0x710 [ 8376.264183][ T10] netlink_sendmsg+0x723/0xbe0 [ 8376.264183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8376.264183][ T10] ___sys_sendmsg+0xee/0x170 [ 8376.264183][ T10] __sys_sendmsg+0xcd/0x170 [ 8376.264183][ T10] do_syscall_64+0xc6/0x1e0 [ 8376.264183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8376.264183][ T10] [ 8376.266496][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8376.266496][ T10] netdev_get_by_index+0x5e/0x80 [ 8376.266496][ T10] fib6_nh_init+0x3d8/0x1580 [ 8376.266496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8376.266496][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8376.266496][ T10] ipv6_add_addr+0x411/0x2000 [ 8376.266496][ T10] inet6_addr_add+0x30e/0xa40 [ 8376.266496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8376.266496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8376.266496][ T10] netlink_rcv_skb+0x130/0x360 [ 8376.266496][ T10] netlink_unicast+0x449/0x710 [ 8376.266496][ T10] netlink_sendmsg+0x723/0xbe0 [ 8376.266496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8376.266496][ T10] ___sys_sendmsg+0xee/0x170 [ 8376.266496][ T10] __sys_sendmsg+0xcd/0x170 [ 8376.266496][ T10] do_syscall_64+0xc6/0x1e0 [ 8376.266496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8376.266496][ T10] [ 8376.268813][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8376.268813][ T10] netdev_get_by_index+0x5e/0x80 [ 8376.268813][ T10] fib6_nh_init+0x3d8/0x1580 [ 8376.268813][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8376.268813][ T10] ip6_route_add+0x1c/0x140 [ 8376.268813][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8376.268813][ T10] addrconf_add_dev+0xe2/0x170 [ 8376.268813][ T10] inet6_addr_add+0x12f/0xa40 [ 8376.268813][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8376.268813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8376.268813][ T10] netlink_rcv_skb+0x130/0x360 [ 8376.268813][ T10] netlink_unicast+0x449/0x710 [ 8376.268813][ T10] netlink_sendmsg+0x723/0xbe0 [ 8376.268813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8376.268813][ T10] ___sys_sendmsg+0xee/0x170 [ 8376.268813][ T10] __sys_sendmsg+0xcd/0x170 [ 8376.268813][ T10] do_syscall_64+0xc6/0x1e0 [ 8376.268813][ T10] [ 8376.271548][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8376.271548][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8376.271548][ T10] ipv6_find_idev+0x102/0x170 [ 8376.271548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8376.271548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8376.271548][ T10] netlink_rcv_skb+0x130/0x360 [ 8376.271548][ T10] netlink_unicast+0x449/0x710 [ 8376.271548][ T10] netlink_sendmsg+0x723/0xbe0 [ 8376.271548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8376.271548][ T10] ___sys_sendmsg+0xee/0x170 [ 8376.271548][ T10] __sys_sendmsg+0xcd/0x170 [ 8376.271548][ T10] do_syscall_64+0xc6/0x1e0 [ 8376.271548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8376.271548][ T10] [ 8376.273381][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8376.273381][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8376.273381][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8376.273381][ T10] ipv6_find_idev+0x102/0x170 [ 8376.273381][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8376.273381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8376.273381][ T10] netlink_rcv_skb+0x130/0x360 [ 8376.273381][ T10] netlink_unicast+0x449/0x710 [ 8376.273381][ T10] netlink_sendmsg+0x723/0xbe0 [ 8376.273381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8376.273381][ T10] ___sys_sendmsg+0xee/0x170 [ 8376.273381][ T10] __sys_sendmsg+0xcd/0x170 [ 8376.273381][ T10] do_syscall_64+0xc6/0x1e0 [ 8376.273381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8376.273381][ T10] [ 8376.993170][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8376.993638][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8376.993638][ T1167] dst_init+0x84/0x4a0 [ 8376.993638][ T1167] dst_alloc+0x97/0x150 [ 8376.993638][ T1167] ip6_dst_alloc+0x23/0x90 [ 8376.993638][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8376.993638][ T1167] ip6_pol_route+0x56f/0x840 [ 8376.993638][ T1167] fib6_rule_lookup+0x334/0x630 [ 8376.993638][ T1167] ip6_route_output_flags+0x259/0x480 [ 8376.993638][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8376.993638][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8376.993638][ T1167] netlink_rcv_skb+0x130/0x360 [ 8376.993638][ T1167] netlink_unicast+0x449/0x710 [ 8376.993638][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8376.993638][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8376.993638][ T1167] ___sys_sendmsg+0xee/0x170 [ 8376.993638][ T1167] __sys_sendmsg+0xcd/0x170 [ 8376.993638][ T1167] do_syscall_64+0xc6/0x1e0 [ 8376.993638][ T1167] [ 8376.995939][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8376.995939][ T1167] netdev_get_by_index+0x5e/0x80 [ 8376.995939][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8376.995939][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8376.995939][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8376.995939][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8376.995939][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8376.995939][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8376.995939][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8376.995939][ T1167] addrconf_dad_begin+0x310/0x670 [ 8376.995939][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8376.995939][ T1167] process_one_work+0x84d/0x18a0 [ 8376.995939][ T1167] worker_thread+0x587/0xd30 [ 8376.995939][ T1167] kthread+0x28a/0x350 [ 8376.995939][ T1167] ret_from_fork+0x31/0x70 [ 8376.995939][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8376.995939][ T1167] [ 8376.998183][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8376.998183][ T1167] netdev_get_by_index+0x5e/0x80 [ 8376.998183][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8376.998183][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8376.998183][ T1167] ip6_route_add+0x1c/0x140 [ 8376.998183][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8376.998183][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8376.998183][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8376.998183][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8376.998183][ T1167] netlink_rcv_skb+0x130/0x360 [ 8376.998183][ T1167] netlink_unicast+0x449/0x710 [ 8376.998183][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8376.998183][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8376.998183][ T1167] ___sys_sendmsg+0xee/0x170 [ 8376.998183][ T1167] __sys_sendmsg+0xcd/0x170 [ 8376.998183][ T1167] do_syscall_64+0xc6/0x1e0 [ 8376.998183][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8376.998183][ T1167] [ 8377.000541][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8377.000541][ T1167] netdev_get_by_index+0x5e/0x80 [ 8377.000541][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8377.000541][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8377.000541][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8377.000541][ T1167] ipv6_add_addr+0x411/0x2000 [ 8377.000541][ T1167] inet6_addr_add+0x30e/0xa40 [ 8377.000541][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8377.000541][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8377.000541][ T1167] netlink_rcv_skb+0x130/0x360 [ 8377.000541][ T1167] netlink_unicast+0x449/0x710 [ 8377.000541][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8377.000541][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8377.000541][ T1167] ___sys_sendmsg+0xee/0x170 [ 8377.000541][ T1167] __sys_sendmsg+0xcd/0x170 [ 8377.000541][ T1167] do_syscall_64+0xc6/0x1e0 [ 8377.000541][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8377.000541][ T1167] [ 8377.002893][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8377.002893][ T1167] netdev_get_by_index+0x5e/0x80 [ 8377.002893][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8377.002893][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8377.002893][ T1167] ip6_route_add+0x1c/0x140 [ 8377.002893][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8377.002893][ T1167] addrconf_add_dev+0xe2/0x170 [ 8377.002893][ T1167] inet6_addr_add+0x12f/0xa40 [ 8377.002893][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8377.002893][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8377.002893][ T1167] netlink_rcv_skb+0x130/0x360 [ 8377.002893][ T1167] netlink_unicast+0x449/0x710 [ 8377.002893][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8377.002893][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8377.002893][ T1167] ___sys_sendmsg+0xee/0x170 [ 8377.002893][ T1167] __sys_sendmsg+0xcd/0x170 [ 8377.002893][ T1167] do_syscall_64+0xc6/0x1e0 [ 8377.002893][ T1167] [ 8377.005200][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8377.005200][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8377.005200][ T1167] ipv6_find_idev+0x102/0x170 [ 8377.005200][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8377.005200][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8377.005200][ T1167] netlink_rcv_skb+0x130/0x360 [ 8377.005200][ T1167] netlink_unicast+0x449/0x710 [ 8377.005200][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8377.005200][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8377.005200][ T1167] ___sys_sendmsg+0xee/0x170 [ 8377.005200][ T1167] __sys_sendmsg+0xcd/0x170 [ 8377.005200][ T1167] do_syscall_64+0xc6/0x1e0 [ 8377.005200][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8377.005200][ T1167] [ 8377.007014][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8377.007014][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8377.007014][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8377.007014][ T1167] ipv6_find_idev+0x102/0x170 [ 8377.007014][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8377.007014][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8377.007014][ T1167] netlink_rcv_skb+0x130/0x360 [ 8377.007014][ T1167] netlink_unicast+0x449/0x710 [ 8377.007014][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8377.007014][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8377.007014][ T1167] ___sys_sendmsg+0xee/0x170 [ 8377.007014][ T1167] __sys_sendmsg+0xcd/0x170 [ 8377.007014][ T1167] do_syscall_64+0xc6/0x1e0 [ 8377.007014][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8377.007014][ T1167] [ 8386.513097][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8386.513573][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8386.513573][ T10] netdev_get_by_index+0x5e/0x80 [ 8386.513573][ T10] fib6_nh_init+0x3d8/0x1580 [ 8386.513573][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8386.513573][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8386.513573][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8386.513573][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8386.513573][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8386.513573][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8386.513573][ T10] addrconf_dad_begin+0x310/0x670 [ 8386.513573][ T10] addrconf_dad_work+0x10b/0xab0 [ 8386.513573][ T10] process_one_work+0x84d/0x18a0 [ 8386.513573][ T10] worker_thread+0x587/0xd30 [ 8386.513573][ T10] kthread+0x28a/0x350 [ 8386.513573][ T10] ret_from_fork+0x31/0x70 [ 8386.513573][ T10] ret_from_fork_asm+0x1a/0x30 [ 8386.513573][ T10] [ 8386.515610][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8386.515610][ T10] netdev_get_by_index+0x5e/0x80 [ 8386.515610][ T10] fib6_nh_init+0x3d8/0x1580 [ 8386.515610][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8386.515610][ T10] ip6_route_add+0x1c/0x140 [ 8386.515610][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8386.515610][ T10] inet6_addr_add+0x4f8/0xa40 [ 8386.515610][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8386.515610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8386.515610][ T10] netlink_rcv_skb+0x130/0x360 [ 8386.515610][ T10] netlink_unicast+0x449/0x710 [ 8386.515610][ T10] netlink_sendmsg+0x723/0xbe0 [ 8386.515610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8386.515610][ T10] ___sys_sendmsg+0xee/0x170 [ 8386.515610][ T10] __sys_sendmsg+0xcd/0x170 [ 8386.515610][ T10] do_syscall_64+0xc6/0x1e0 [ 8386.515610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8386.515610][ T10] [ 8386.517713][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8386.517713][ T10] netdev_get_by_index+0x5e/0x80 [ 8386.517713][ T10] fib6_nh_init+0x3d8/0x1580 [ 8386.517713][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8386.517713][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8386.517713][ T10] ipv6_add_addr+0x411/0x2000 [ 8386.517713][ T10] inet6_addr_add+0x30e/0xa40 [ 8386.517713][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8386.517713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8386.517713][ T10] netlink_rcv_skb+0x130/0x360 [ 8386.517713][ T10] netlink_unicast+0x449/0x710 [ 8386.517713][ T10] netlink_sendmsg+0x723/0xbe0 [ 8386.517713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8386.517713][ T10] ___sys_sendmsg+0xee/0x170 [ 8386.517713][ T10] __sys_sendmsg+0xcd/0x170 [ 8386.517713][ T10] do_syscall_64+0xc6/0x1e0 [ 8386.517713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8386.517713][ T10] [ 8386.519842][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8386.519842][ T10] netdev_get_by_index+0x5e/0x80 [ 8386.519842][ T10] fib6_nh_init+0x3d8/0x1580 [ 8386.519842][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8386.519842][ T10] ip6_route_add+0x1c/0x140 [ 8386.519842][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8386.519842][ T10] addrconf_add_dev+0xe2/0x170 [ 8386.519842][ T10] inet6_addr_add+0x12f/0xa40 [ 8386.519842][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8386.519842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8386.519842][ T10] netlink_rcv_skb+0x130/0x360 [ 8386.519842][ T10] netlink_unicast+0x449/0x710 [ 8386.519842][ T10] netlink_sendmsg+0x723/0xbe0 [ 8386.519842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8386.519842][ T10] ___sys_sendmsg+0xee/0x170 [ 8386.519842][ T10] __sys_sendmsg+0xcd/0x170 [ 8386.519842][ T10] do_syscall_64+0xc6/0x1e0 [ 8386.519842][ T10] [ 8386.521918][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8386.521918][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8386.521918][ T10] ipv6_find_idev+0x102/0x170 [ 8386.521918][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8386.521918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8386.521918][ T10] netlink_rcv_skb+0x130/0x360 [ 8386.521918][ T10] netlink_unicast+0x449/0x710 [ 8386.521918][ T10] netlink_sendmsg+0x723/0xbe0 [ 8386.521918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8386.521918][ T10] ___sys_sendmsg+0xee/0x170 [ 8386.521918][ T10] __sys_sendmsg+0xcd/0x170 [ 8386.521918][ T10] do_syscall_64+0xc6/0x1e0 [ 8386.521918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8386.521918][ T10] [ 8386.523537][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8386.523537][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8386.523537][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8386.523537][ T10] ipv6_find_idev+0x102/0x170 [ 8386.523537][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8386.523537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8386.523537][ T10] netlink_rcv_skb+0x130/0x360 [ 8386.523537][ T10] netlink_unicast+0x449/0x710 [ 8386.523537][ T10] netlink_sendmsg+0x723/0xbe0 [ 8386.523537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8386.523537][ T10] ___sys_sendmsg+0xee/0x170 [ 8386.523537][ T10] __sys_sendmsg+0xcd/0x170 [ 8386.523537][ T10] do_syscall_64+0xc6/0x1e0 [ 8386.523537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8386.523537][ T10] [ 8386.525321][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8386.525580][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8386.525580][ T10] netdev_get_by_index+0x5e/0x80 [ 8386.525580][ T10] fib6_nh_init+0x3d8/0x1580 [ 8386.525580][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8386.525580][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8386.525580][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8386.525580][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8386.525580][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8386.525580][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8386.525580][ T10] addrconf_dad_begin+0x310/0x670 [ 8386.525580][ T10] addrconf_dad_work+0x10b/0xab0 [ 8386.525580][ T10] process_one_work+0x84d/0x18a0 [ 8386.525580][ T10] worker_thread+0x587/0xd30 [ 8386.525580][ T10] kthread+0x28a/0x350 [ 8386.525580][ T10] ret_from_fork+0x31/0x70 [ 8386.525580][ T10] ret_from_fork_asm+0x1a/0x30 [ 8386.525580][ T10] [ 8386.527583][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8386.527583][ T10] netdev_get_by_index+0x5e/0x80 [ 8386.527583][ T10] fib6_nh_init+0x3d8/0x1580 [ 8386.527583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8386.527583][ T10] ip6_route_add+0x1c/0x140 [ 8386.527583][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8386.527583][ T10] inet6_addr_add+0x4f8/0xa40 [ 8386.527583][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8386.527583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8386.527583][ T10] netlink_rcv_skb+0x130/0x360 [ 8386.527583][ T10] netlink_unicast+0x449/0x710 [ 8386.527583][ T10] netlink_sendmsg+0x723/0xbe0 [ 8386.527583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8386.527583][ T10] ___sys_sendmsg+0xee/0x170 [ 8386.527583][ T10] __sys_sendmsg+0xcd/0x170 [ 8386.527583][ T10] do_syscall_64+0xc6/0x1e0 [ 8386.527583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8386.527583][ T10] [ 8386.529691][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8386.529691][ T10] netdev_get_by_index+0x5e/0x80 [ 8386.529691][ T10] fib6_nh_init+0x3d8/0x1580 [ 8386.529691][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8386.529691][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8386.529691][ T10] ipv6_add_addr+0x411/0x2000 [ 8386.529691][ T10] inet6_addr_add+0x30e/0xa40 [ 8386.529691][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8386.529691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8386.529691][ T10] netlink_rcv_skb+0x130/0x360 [ 8386.529691][ T10] netlink_unicast+0x449/0x710 [ 8386.529691][ T10] netlink_sendmsg+0x723/0xbe0 [ 8386.529691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8386.529691][ T10] ___sys_sendmsg+0xee/0x170 [ 8386.529691][ T10] __sys_sendmsg+0xcd/0x170 [ 8386.529691][ T10] do_syscall_64+0xc6/0x1e0 [ 8386.529691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8386.529691][ T10] [ 8386.531780][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8386.531780][ T10] netdev_get_by_index+0x5e/0x80 [ 8386.531780][ T10] fib6_nh_init+0x3d8/0x1580 [ 8386.531780][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8386.531780][ T10] ip6_route_add+0x1c/0x140 [ 8386.531780][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8386.531780][ T10] addrconf_add_dev+0xe2/0x170 [ 8386.531780][ T10] inet6_addr_add+0x12f/0xa40 [ 8386.531780][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8386.531780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8386.531780][ T10] netlink_rcv_skb+0x130/0x360 [ 8386.531780][ T10] netlink_unicast+0x449/0x710 [ 8386.531780][ T10] netlink_sendmsg+0x723/0xbe0 [ 8386.531780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8386.531780][ T10] ___sys_sendmsg+0xee/0x170 [ 8386.531780][ T10] __sys_sendmsg+0xcd/0x170 [ 8386.531780][ T10] do_syscall_64+0xc6/0x1e0 [ 8386.531780][ T10] [ 8386.533849][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8386.533849][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8386.533849][ T10] ipv6_find_idev+0x102/0x170 [ 8386.533849][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8386.533849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8386.533849][ T10] netlink_rcv_skb+0x130/0x360 [ 8386.533849][ T10] netlink_unicast+0x449/0x710 [ 8386.533849][ T10] netlink_sendmsg+0x723/0xbe0 [ 8386.533849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8386.533849][ T10] ___sys_sendmsg+0xee/0x170 [ 8386.533849][ T10] __sys_sendmsg+0xcd/0x170 [ 8386.533849][ T10] do_syscall_64+0xc6/0x1e0 [ 8386.533849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8386.533849][ T10] [ 8386.535462][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8386.535462][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8386.535462][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8386.535462][ T10] ipv6_find_idev+0x102/0x170 [ 8386.535462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8386.535462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8386.535462][ T10] netlink_rcv_skb+0x130/0x360 [ 8386.535462][ T10] netlink_unicast+0x449/0x710 [ 8386.535462][ T10] netlink_sendmsg+0x723/0xbe0 [ 8386.535462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8386.535462][ T10] ___sys_sendmsg+0xee/0x170 [ 8386.535462][ T10] __sys_sendmsg+0xcd/0x170 [ 8386.535462][ T10] do_syscall_64+0xc6/0x1e0 [ 8386.535462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8386.535462][ T10] [ 8386.537242][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8386.537490][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8386.537490][ T10] netdev_get_by_index+0x5e/0x80 [ 8386.537490][ T10] fib6_nh_init+0x3d8/0x1580 [ 8386.537490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8386.537490][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8386.537490][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8386.537490][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8386.537490][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8386.537490][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8386.537490][ T10] addrconf_dad_begin+0x310/0x670 [ 8386.537490][ T10] addrconf_dad_work+0x10b/0xab0 [ 8386.537490][ T10] process_one_work+0x84d/0x18a0 [ 8386.537490][ T10] worker_thread+0x587/0xd30 [ 8386.537490][ T10] kthread+0x28a/0x350 [ 8386.537490][ T10] ret_from_fork+0x31/0x70 [ 8386.537490][ T10] ret_from_fork_asm+0x1a/0x30 [ 8386.537490][ T10] [ 8386.539508][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8386.539508][ T10] netdev_get_by_index+0x5e/0x80 [ 8386.539508][ T10] fib6_nh_init+0x3d8/0x1580 [ 8386.539508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8386.539508][ T10] ip6_route_add+0x1c/0x140 [ 8386.539508][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8386.539508][ T10] inet6_addr_add+0x4f8/0xa40 [ 8386.539508][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8386.539508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8386.539508][ T10] netlink_rcv_skb+0x130/0x360 [ 8386.539508][ T10] netlink_unicast+0x449/0x710 [ 8386.539508][ T10] netlink_sendmsg+0x723/0xbe0 [ 8386.539508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8386.539508][ T10] ___sys_sendmsg+0xee/0x170 [ 8386.539508][ T10] __sys_sendmsg+0xcd/0x170 [ 8386.539508][ T10] do_syscall_64+0xc6/0x1e0 [ 8386.539508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8386.539508][ T10] [ 8386.541786][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8386.541786][ T10] netdev_get_by_index+0x5e/0x80 [ 8386.541786][ T10] fib6_nh_init+0x3d8/0x1580 [ 8386.541786][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8386.541786][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8386.541786][ T10] ipv6_add_addr+0x411/0x2000 [ 8386.541786][ T10] inet6_addr_add+0x30e/0xa40 [ 8386.541786][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8386.541786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8386.541786][ T10] netlink_rcv_skb+0x130/0x360 [ 8386.541786][ T10] netlink_unicast+0x449/0x710 [ 8386.541786][ T10] netlink_sendmsg+0x723/0xbe0 [ 8386.541786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8386.541786][ T10] ___sys_sendmsg+0xee/0x170 [ 8386.541786][ T10] __sys_sendmsg+0xcd/0x170 [ 8386.541786][ T10] do_syscall_64+0xc6/0x1e0 [ 8386.541786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8386.541786][ T10] [ 8386.544133][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8386.544133][ T10] netdev_get_by_index+0x5e/0x80 [ 8386.544133][ T10] fib6_nh_init+0x3d8/0x1580 [ 8386.544133][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8386.544133][ T10] ip6_route_add+0x1c/0x140 [ 8386.544133][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8386.544133][ T10] addrconf_add_dev+0xe2/0x170 [ 8386.544133][ T10] inet6_addr_add+0x12f/0xa40 [ 8386.544133][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8386.544133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8386.544133][ T10] netlink_rcv_skb+0x130/0x360 [ 8386.544133][ T10] netlink_unicast+0x449/0x710 [ 8386.544133][ T10] netlink_sendmsg+0x723/0xbe0 [ 8386.544133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8386.544133][ T10] ___sys_sendmsg+0xee/0x170 [ 8386.544133][ T10] __sys_sendmsg+0xcd/0x170 [ 8386.544133][ T10] do_syscall_64+0xc6/0x1e0 [ 8386.544133][ T10] [ 8386.546372][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8386.546372][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8386.546372][ T10] ipv6_find_idev+0x102/0x170 [ 8386.546372][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8386.546372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8386.546372][ T10] netlink_rcv_skb+0x130/0x360 [ 8386.546372][ T10] netlink_unicast+0x449/0x710 [ 8386.546372][ T10] netlink_sendmsg+0x723/0xbe0 [ 8386.546372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8386.546372][ T10] ___sys_sendmsg+0xee/0x170 [ 8386.546372][ T10] __sys_sendmsg+0xcd/0x170 [ 8386.546372][ T10] do_syscall_64+0xc6/0x1e0 [ 8386.546372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8386.546372][ T10] [ 8386.548229][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8386.548229][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8386.548229][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8386.548229][ T10] ipv6_find_idev+0x102/0x170 [ 8386.548229][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8386.548229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8386.548229][ T10] netlink_rcv_skb+0x130/0x360 [ 8386.548229][ T10] netlink_unicast+0x449/0x710 [ 8386.548229][ T10] netlink_sendmsg+0x723/0xbe0 [ 8386.548229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8386.548229][ T10] ___sys_sendmsg+0xee/0x170 [ 8386.548229][ T10] __sys_sendmsg+0xcd/0x170 [ 8386.548229][ T10] do_syscall_64+0xc6/0x1e0 [ 8386.548229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8386.548229][ T10] [ 8386.550241][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8386.550487][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8386.550487][ T10] netdev_get_by_index+0x5e/0x80 [ 8386.550487][ T10] fib6_nh_init+0x3d8/0x1580 [ 8386.550487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8386.550487][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8386.550487][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8386.550487][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8386.550487][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8386.550487][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8386.550487][ T10] addrconf_dad_begin+0x310/0x670 [ 8386.550487][ T10] addrconf_dad_work+0x10b/0xab0 [ 8386.550487][ T10] process_one_work+0x84d/0x18a0 [ 8386.550487][ T10] worker_thread+0x587/0xd30 [ 8386.550487][ T10] kthread+0x28a/0x350 [ 8386.550487][ T10] ret_from_fork+0x31/0x70 [ 8386.550487][ T10] ret_from_fork_asm+0x1a/0x30 [ 8386.550487][ T10] [ 8386.552729][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8386.552729][ T10] netdev_get_by_index+0x5e/0x80 [ 8386.552729][ T10] fib6_nh_init+0x3d8/0x1580 [ 8386.552729][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8386.552729][ T10] ip6_route_add+0x1c/0x140 [ 8386.552729][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8386.552729][ T10] inet6_addr_add+0x4f8/0xa40 [ 8386.552729][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8386.552729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8386.552729][ T10] netlink_rcv_skb+0x130/0x360 [ 8386.552729][ T10] netlink_unicast+0x449/0x710 [ 8386.552729][ T10] netlink_sendmsg+0x723/0xbe0 [ 8386.552729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8386.552729][ T10] ___sys_sendmsg+0xee/0x170 [ 8386.552729][ T10] __sys_sendmsg+0xcd/0x170 [ 8386.552729][ T10] do_syscall_64+0xc6/0x1e0 [ 8386.552729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8386.552729][ T10] [ 8386.555006][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8386.555006][ T10] netdev_get_by_index+0x5e/0x80 [ 8386.555006][ T10] fib6_nh_init+0x3d8/0x1580 [ 8386.555006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8386.555006][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8386.555006][ T10] ipv6_add_addr+0x411/0x2000 [ 8386.555006][ T10] inet6_addr_add+0x30e/0xa40 [ 8386.555006][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8386.555006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8386.555006][ T10] netlink_rcv_skb+0x130/0x360 [ 8386.555006][ T10] netlink_unicast+0x449/0x710 [ 8386.555006][ T10] netlink_sendmsg+0x723/0xbe0 [ 8386.555006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8386.555006][ T10] ___sys_sendmsg+0xee/0x170 [ 8386.555006][ T10] __sys_sendmsg+0xcd/0x170 [ 8386.555006][ T10] do_syscall_64+0xc6/0x1e0 [ 8386.555006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8386.555006][ T10] [ 8386.557343][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8386.557343][ T10] netdev_get_by_index+0x5e/0x80 [ 8386.557343][ T10] fib6_nh_init+0x3d8/0x1580 [ 8386.557343][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8386.557343][ T10] ip6_route_add+0x1c/0x140 [ 8386.557343][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8386.557343][ T10] addrconf_add_dev+0xe2/0x170 [ 8386.557343][ T10] inet6_addr_add+0x12f/0xa40 [ 8386.557343][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8386.557343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8386.557343][ T10] netlink_rcv_skb+0x130/0x360 [ 8386.557343][ T10] netlink_unicast+0x449/0x710 [ 8386.557343][ T10] netlink_sendmsg+0x723/0xbe0 [ 8386.557343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8386.557343][ T10] ___sys_sendmsg+0xee/0x170 [ 8386.557343][ T10] __sys_sendmsg+0xcd/0x170 [ 8386.557343][ T10] do_syscall_64+0xc6/0x1e0 [ 8386.557343][ T10] [ 8386.559704][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8386.559704][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8386.559704][ T10] ipv6_find_idev+0x102/0x170 [ 8386.559704][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8386.559704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8386.559704][ T10] netlink_rcv_skb+0x130/0x360 [ 8386.559704][ T10] netlink_unicast+0x449/0x710 [ 8386.559704][ T10] netlink_sendmsg+0x723/0xbe0 [ 8386.559704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8386.559704][ T10] ___sys_sendmsg+0xee/0x170 [ 8386.559704][ T10] __sys_sendmsg+0xcd/0x170 [ 8386.559704][ T10] do_syscall_64+0xc6/0x1e0 [ 8386.559704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8386.559704][ T10] [ 8386.561494][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8386.561494][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8386.561494][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8386.561494][ T10] ipv6_find_idev+0x102/0x170 [ 8386.561494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8386.561494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8386.561494][ T10] netlink_rcv_skb+0x130/0x360 [ 8386.561494][ T10] netlink_unicast+0x449/0x710 [ 8386.561494][ T10] netlink_sendmsg+0x723/0xbe0 [ 8386.561494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8386.561494][ T10] ___sys_sendmsg+0xee/0x170 [ 8386.561494][ T10] __sys_sendmsg+0xcd/0x170 [ 8386.561494][ T10] do_syscall_64+0xc6/0x1e0 [ 8386.561494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8386.561494][ T10] [ 8387.249098][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8387.249568][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8387.249568][ T1167] dst_init+0x84/0x4a0 [ 8387.249568][ T1167] dst_alloc+0x97/0x150 [ 8387.249568][ T1167] ip6_dst_alloc+0x23/0x90 [ 8387.249568][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8387.249568][ T1167] ip6_pol_route+0x56f/0x840 [ 8387.249568][ T1167] fib6_rule_lookup+0x334/0x630 [ 8387.249568][ T1167] ip6_route_output_flags+0x259/0x480 [ 8387.249568][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8387.249568][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8387.249568][ T1167] netlink_rcv_skb+0x130/0x360 [ 8387.249568][ T1167] netlink_unicast+0x449/0x710 [ 8387.249568][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8387.249568][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8387.249568][ T1167] ___sys_sendmsg+0xee/0x170 [ 8387.249568][ T1167] __sys_sendmsg+0xcd/0x170 [ 8387.249568][ T1167] do_syscall_64+0xc6/0x1e0 [ 8387.249568][ T1167] [ 8387.251855][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8387.251855][ T1167] netdev_get_by_index+0x5e/0x80 [ 8387.251855][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8387.251855][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8387.251855][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8387.251855][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8387.251855][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8387.251855][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8387.251855][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8387.251855][ T1167] addrconf_dad_begin+0x310/0x670 [ 8387.251855][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8387.251855][ T1167] process_one_work+0x84d/0x18a0 [ 8387.251855][ T1167] worker_thread+0x587/0xd30 [ 8387.251855][ T1167] kthread+0x28a/0x350 [ 8387.251855][ T1167] ret_from_fork+0x31/0x70 [ 8387.251855][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8387.251855][ T1167] [ 8387.254095][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8387.254095][ T1167] netdev_get_by_index+0x5e/0x80 [ 8387.254095][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8387.254095][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8387.254095][ T1167] ip6_route_add+0x1c/0x140 [ 8387.254095][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8387.254095][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8387.254095][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8387.254095][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8387.254095][ T1167] netlink_rcv_skb+0x130/0x360 [ 8387.254095][ T1167] netlink_unicast+0x449/0x710 [ 8387.254095][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8387.254095][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8387.254095][ T1167] ___sys_sendmsg+0xee/0x170 [ 8387.254095][ T1167] __sys_sendmsg+0xcd/0x170 [ 8387.254095][ T1167] do_syscall_64+0xc6/0x1e0 [ 8387.254095][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8387.254095][ T1167] [ 8387.256448][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8387.256448][ T1167] netdev_get_by_index+0x5e/0x80 [ 8387.256448][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8387.256448][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8387.256448][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8387.256448][ T1167] ipv6_add_addr+0x411/0x2000 [ 8387.256448][ T1167] inet6_addr_add+0x30e/0xa40 [ 8387.256448][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8387.256448][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8387.256448][ T1167] netlink_rcv_skb+0x130/0x360 [ 8387.256448][ T1167] netlink_unicast+0x449/0x710 [ 8387.256448][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8387.256448][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8387.256448][ T1167] ___sys_sendmsg+0xee/0x170 [ 8387.256448][ T1167] __sys_sendmsg+0xcd/0x170 [ 8387.256448][ T1167] do_syscall_64+0xc6/0x1e0 [ 8387.256448][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8387.256448][ T1167] [ 8387.258812][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8387.258812][ T1167] netdev_get_by_index+0x5e/0x80 [ 8387.258812][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8387.258812][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8387.258812][ T1167] ip6_route_add+0x1c/0x140 [ 8387.258812][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8387.258812][ T1167] addrconf_add_dev+0xe2/0x170 [ 8387.258812][ T1167] inet6_addr_add+0x12f/0xa40 [ 8387.258812][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8387.258812][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8387.258812][ T1167] netlink_rcv_skb+0x130/0x360 [ 8387.258812][ T1167] netlink_unicast+0x449/0x710 [ 8387.258812][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8387.258812][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8387.258812][ T1167] ___sys_sendmsg+0xee/0x170 [ 8387.258812][ T1167] __sys_sendmsg+0xcd/0x170 [ 8387.258812][ T1167] do_syscall_64+0xc6/0x1e0 [ 8387.258812][ T1167] [ 8387.261109][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8387.261109][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8387.261109][ T1167] ipv6_find_idev+0x102/0x170 [ 8387.261109][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8387.261109][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8387.261109][ T1167] netlink_rcv_skb+0x130/0x360 [ 8387.261109][ T1167] netlink_unicast+0x449/0x710 [ 8387.261109][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8387.261109][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8387.261109][ T1167] ___sys_sendmsg+0xee/0x170 [ 8387.261109][ T1167] __sys_sendmsg+0xcd/0x170 [ 8387.261109][ T1167] do_syscall_64+0xc6/0x1e0 [ 8387.261109][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8387.261109][ T1167] [ 8387.262910][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8387.262910][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8387.262910][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8387.262910][ T1167] ipv6_find_idev+0x102/0x170 [ 8387.262910][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8387.262910][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8387.262910][ T1167] netlink_rcv_skb+0x130/0x360 [ 8387.262910][ T1167] netlink_unicast+0x449/0x710 [ 8387.262910][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8387.262910][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8387.262910][ T1167] ___sys_sendmsg+0xee/0x170 [ 8387.262910][ T1167] __sys_sendmsg+0xcd/0x170 [ 8387.262910][ T1167] do_syscall_64+0xc6/0x1e0 [ 8387.262910][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8387.262910][ T1167] [ 8396.801101][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8396.801517][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8396.801517][ T10] netdev_get_by_index+0x5e/0x80 [ 8396.801517][ T10] fib6_nh_init+0x3d8/0x1580 [ 8396.801517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8396.801517][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8396.801517][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8396.801517][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8396.801517][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8396.801517][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8396.801517][ T10] addrconf_dad_begin+0x310/0x670 [ 8396.801517][ T10] addrconf_dad_work+0x10b/0xab0 [ 8396.801517][ T10] process_one_work+0x84d/0x18a0 [ 8396.801517][ T10] worker_thread+0x587/0xd30 [ 8396.801517][ T10] kthread+0x28a/0x350 [ 8396.801517][ T10] ret_from_fork+0x31/0x70 [ 8396.801517][ T10] ret_from_fork_asm+0x1a/0x30 [ 8396.801517][ T10] [ 8396.803478][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8396.803478][ T10] netdev_get_by_index+0x5e/0x80 [ 8396.803478][ T10] fib6_nh_init+0x3d8/0x1580 [ 8396.803478][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8396.803478][ T10] ip6_route_add+0x1c/0x140 [ 8396.803478][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8396.803478][ T10] inet6_addr_add+0x4f8/0xa40 [ 8396.803478][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8396.803478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8396.803478][ T10] netlink_rcv_skb+0x130/0x360 [ 8396.803478][ T10] netlink_unicast+0x449/0x710 [ 8396.803478][ T10] netlink_sendmsg+0x723/0xbe0 [ 8396.803478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8396.803478][ T10] ___sys_sendmsg+0xee/0x170 [ 8396.803478][ T10] __sys_sendmsg+0xcd/0x170 [ 8396.803478][ T10] do_syscall_64+0xc6/0x1e0 [ 8396.803478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8396.803478][ T10] [ 8396.805460][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8396.805460][ T10] netdev_get_by_index+0x5e/0x80 [ 8396.805460][ T10] fib6_nh_init+0x3d8/0x1580 [ 8396.805460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8396.805460][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8396.805460][ T10] ipv6_add_addr+0x411/0x2000 [ 8396.805460][ T10] inet6_addr_add+0x30e/0xa40 [ 8396.805460][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8396.805460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8396.805460][ T10] netlink_rcv_skb+0x130/0x360 [ 8396.805460][ T10] netlink_unicast+0x449/0x710 [ 8396.805460][ T10] netlink_sendmsg+0x723/0xbe0 [ 8396.805460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8396.805460][ T10] ___sys_sendmsg+0xee/0x170 [ 8396.805460][ T10] __sys_sendmsg+0xcd/0x170 [ 8396.805460][ T10] do_syscall_64+0xc6/0x1e0 [ 8396.805460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8396.805460][ T10] [ 8396.807448][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8396.807448][ T10] netdev_get_by_index+0x5e/0x80 [ 8396.807448][ T10] fib6_nh_init+0x3d8/0x1580 [ 8396.807448][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8396.807448][ T10] ip6_route_add+0x1c/0x140 [ 8396.807448][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8396.807448][ T10] addrconf_add_dev+0xe2/0x170 [ 8396.807448][ T10] inet6_addr_add+0x12f/0xa40 [ 8396.807448][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8396.807448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8396.807448][ T10] netlink_rcv_skb+0x130/0x360 [ 8396.807448][ T10] netlink_unicast+0x449/0x710 [ 8396.807448][ T10] netlink_sendmsg+0x723/0xbe0 [ 8396.807448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8396.807448][ T10] ___sys_sendmsg+0xee/0x170 [ 8396.807448][ T10] __sys_sendmsg+0xcd/0x170 [ 8396.807448][ T10] do_syscall_64+0xc6/0x1e0 [ 8396.807448][ T10] [ 8396.809414][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8396.809414][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8396.809414][ T10] ipv6_find_idev+0x102/0x170 [ 8396.809414][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8396.809414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8396.809414][ T10] netlink_rcv_skb+0x130/0x360 [ 8396.809414][ T10] netlink_unicast+0x449/0x710 [ 8396.809414][ T10] netlink_sendmsg+0x723/0xbe0 [ 8396.809414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8396.809414][ T10] ___sys_sendmsg+0xee/0x170 [ 8396.809414][ T10] __sys_sendmsg+0xcd/0x170 [ 8396.809414][ T10] do_syscall_64+0xc6/0x1e0 [ 8396.809414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8396.809414][ T10] [ 8396.810935][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8396.810935][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8396.810935][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8396.810935][ T10] ipv6_find_idev+0x102/0x170 [ 8396.810935][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8396.810935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8396.810935][ T10] netlink_rcv_skb+0x130/0x360 [ 8396.810935][ T10] netlink_unicast+0x449/0x710 [ 8396.810935][ T10] netlink_sendmsg+0x723/0xbe0 [ 8396.810935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8396.810935][ T10] ___sys_sendmsg+0xee/0x170 [ 8396.810935][ T10] __sys_sendmsg+0xcd/0x170 [ 8396.810935][ T10] do_syscall_64+0xc6/0x1e0 [ 8396.810935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8396.810935][ T10] [ 8396.812603][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8396.812855][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8396.812855][ T10] netdev_get_by_index+0x5e/0x80 [ 8396.812855][ T10] fib6_nh_init+0x3d8/0x1580 [ 8396.812855][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8396.812855][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8396.812855][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8396.812855][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8396.812855][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8396.812855][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8396.812855][ T10] addrconf_dad_begin+0x310/0x670 [ 8396.812855][ T10] addrconf_dad_work+0x10b/0xab0 [ 8396.812855][ T10] process_one_work+0x84d/0x18a0 [ 8396.812855][ T10] worker_thread+0x587/0xd30 [ 8396.812855][ T10] kthread+0x28a/0x350 [ 8396.812855][ T10] ret_from_fork+0x31/0x70 [ 8396.812855][ T10] ret_from_fork_asm+0x1a/0x30 [ 8396.812855][ T10] [ 8396.814763][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8396.814763][ T10] netdev_get_by_index+0x5e/0x80 [ 8396.814763][ T10] fib6_nh_init+0x3d8/0x1580 [ 8396.814763][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8396.814763][ T10] ip6_route_add+0x1c/0x140 [ 8396.814763][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8396.814763][ T10] inet6_addr_add+0x4f8/0xa40 [ 8396.814763][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8396.814763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8396.814763][ T10] netlink_rcv_skb+0x130/0x360 [ 8396.814763][ T10] netlink_unicast+0x449/0x710 [ 8396.814763][ T10] netlink_sendmsg+0x723/0xbe0 [ 8396.814763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8396.814763][ T10] ___sys_sendmsg+0xee/0x170 [ 8396.814763][ T10] __sys_sendmsg+0xcd/0x170 [ 8396.814763][ T10] do_syscall_64+0xc6/0x1e0 [ 8396.814763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8396.814763][ T10] [ 8396.816839][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8396.816839][ T10] netdev_get_by_index+0x5e/0x80 [ 8396.816839][ T10] fib6_nh_init+0x3d8/0x1580 [ 8396.816839][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8396.816839][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8396.816839][ T10] ipv6_add_addr+0x411/0x2000 [ 8396.816839][ T10] inet6_addr_add+0x30e/0xa40 [ 8396.816839][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8396.816839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8396.816839][ T10] netlink_rcv_skb+0x130/0x360 [ 8396.816839][ T10] netlink_unicast+0x449/0x710 [ 8396.816839][ T10] netlink_sendmsg+0x723/0xbe0 [ 8396.816839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8396.816839][ T10] ___sys_sendmsg+0xee/0x170 [ 8396.816839][ T10] __sys_sendmsg+0xcd/0x170 [ 8396.816839][ T10] do_syscall_64+0xc6/0x1e0 [ 8396.816839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8396.816839][ T10] [ 8396.818912][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8396.818912][ T10] netdev_get_by_index+0x5e/0x80 [ 8396.818912][ T10] fib6_nh_init+0x3d8/0x1580 [ 8396.818912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8396.818912][ T10] ip6_route_add+0x1c/0x140 [ 8396.818912][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8396.818912][ T10] addrconf_add_dev+0xe2/0x170 [ 8396.818912][ T10] inet6_addr_add+0x12f/0xa40 [ 8396.818912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8396.818912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8396.818912][ T10] netlink_rcv_skb+0x130/0x360 [ 8396.818912][ T10] netlink_unicast+0x449/0x710 [ 8396.818912][ T10] netlink_sendmsg+0x723/0xbe0 [ 8396.818912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8396.818912][ T10] ___sys_sendmsg+0xee/0x170 [ 8396.818912][ T10] __sys_sendmsg+0xcd/0x170 [ 8396.818912][ T10] do_syscall_64+0xc6/0x1e0 [ 8396.818912][ T10] [ 8396.820951][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8396.820951][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8396.820951][ T10] ipv6_find_idev+0x102/0x170 [ 8396.820951][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8396.820951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8396.820951][ T10] netlink_rcv_skb+0x130/0x360 [ 8396.820951][ T10] netlink_unicast+0x449/0x710 [ 8396.820951][ T10] netlink_sendmsg+0x723/0xbe0 [ 8396.820951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8396.820951][ T10] ___sys_sendmsg+0xee/0x170 [ 8396.820951][ T10] __sys_sendmsg+0xcd/0x170 [ 8396.820951][ T10] do_syscall_64+0xc6/0x1e0 [ 8396.820951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8396.820951][ T10] [ 8396.822548][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8396.822548][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8396.822548][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8396.822548][ T10] ipv6_find_idev+0x102/0x170 [ 8396.822548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8396.822548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8396.822548][ T10] netlink_rcv_skb+0x130/0x360 [ 8396.822548][ T10] netlink_unicast+0x449/0x710 [ 8396.822548][ T10] netlink_sendmsg+0x723/0xbe0 [ 8396.822548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8396.822548][ T10] ___sys_sendmsg+0xee/0x170 [ 8396.822548][ T10] __sys_sendmsg+0xcd/0x170 [ 8396.822548][ T10] do_syscall_64+0xc6/0x1e0 [ 8396.822548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8396.822548][ T10] [ 8396.824293][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8396.824533][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8396.824533][ T10] netdev_get_by_index+0x5e/0x80 [ 8396.824533][ T10] fib6_nh_init+0x3d8/0x1580 [ 8396.824533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8396.824533][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8396.824533][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8396.824533][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8396.824533][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8396.824533][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8396.824533][ T10] addrconf_dad_begin+0x310/0x670 [ 8396.824533][ T10] addrconf_dad_work+0x10b/0xab0 [ 8396.824533][ T10] process_one_work+0x84d/0x18a0 [ 8396.824533][ T10] worker_thread+0x587/0xd30 [ 8396.824533][ T10] kthread+0x28a/0x350 [ 8396.824533][ T10] ret_from_fork+0x31/0x70 [ 8396.824533][ T10] ret_from_fork_asm+0x1a/0x30 [ 8396.824533][ T10] [ 8396.826512][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8396.826512][ T10] netdev_get_by_index+0x5e/0x80 [ 8396.826512][ T10] fib6_nh_init+0x3d8/0x1580 [ 8396.826512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8396.826512][ T10] ip6_route_add+0x1c/0x140 [ 8396.826512][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8396.826512][ T10] inet6_addr_add+0x4f8/0xa40 [ 8396.826512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8396.826512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8396.826512][ T10] netlink_rcv_skb+0x130/0x360 [ 8396.826512][ T10] netlink_unicast+0x449/0x710 [ 8396.826512][ T10] netlink_sendmsg+0x723/0xbe0 [ 8396.826512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8396.826512][ T10] ___sys_sendmsg+0xee/0x170 [ 8396.826512][ T10] __sys_sendmsg+0xcd/0x170 [ 8396.826512][ T10] do_syscall_64+0xc6/0x1e0 [ 8396.826512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8396.826512][ T10] [ 8396.828770][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8396.828770][ T10] netdev_get_by_index+0x5e/0x80 [ 8396.828770][ T10] fib6_nh_init+0x3d8/0x1580 [ 8396.828770][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8396.828770][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8396.828770][ T10] ipv6_add_addr+0x411/0x2000 [ 8396.828770][ T10] inet6_addr_add+0x30e/0xa40 [ 8396.828770][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8396.828770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8396.828770][ T10] netlink_rcv_skb+0x130/0x360 [ 8396.828770][ T10] netlink_unicast+0x449/0x710 [ 8396.828770][ T10] netlink_sendmsg+0x723/0xbe0 [ 8396.828770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8396.828770][ T10] ___sys_sendmsg+0xee/0x170 [ 8396.828770][ T10] __sys_sendmsg+0xcd/0x170 [ 8396.828770][ T10] do_syscall_64+0xc6/0x1e0 [ 8396.828770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8396.828770][ T10] [ 8396.831133][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8396.831133][ T10] netdev_get_by_index+0x5e/0x80 [ 8396.831133][ T10] fib6_nh_init+0x3d8/0x1580 [ 8396.831133][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8396.831133][ T10] ip6_route_add+0x1c/0x140 [ 8396.831133][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8396.831133][ T10] addrconf_add_dev+0xe2/0x170 [ 8396.831133][ T10] inet6_addr_add+0x12f/0xa40 [ 8396.831133][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8396.831133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8396.831133][ T10] netlink_rcv_skb+0x130/0x360 [ 8396.831133][ T10] netlink_unicast+0x449/0x710 [ 8396.831133][ T10] netlink_sendmsg+0x723/0xbe0 [ 8396.831133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8396.831133][ T10] ___sys_sendmsg+0xee/0x170 [ 8396.831133][ T10] __sys_sendmsg+0xcd/0x170 [ 8396.831133][ T10] do_syscall_64+0xc6/0x1e0 [ 8396.831133][ T10] [ 8396.833415][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8396.833415][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8396.833415][ T10] ipv6_find_idev+0x102/0x170 [ 8396.833415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8396.833415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8396.833415][ T10] netlink_rcv_skb+0x130/0x360 [ 8396.833415][ T10] netlink_unicast+0x449/0x710 [ 8396.833415][ T10] netlink_sendmsg+0x723/0xbe0 [ 8396.833415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8396.833415][ T10] ___sys_sendmsg+0xee/0x170 [ 8396.833415][ T10] __sys_sendmsg+0xcd/0x170 [ 8396.833415][ T10] do_syscall_64+0xc6/0x1e0 [ 8396.833415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8396.833415][ T10] [ 8396.835189][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8396.835189][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8396.835189][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8396.835189][ T10] ipv6_find_idev+0x102/0x170 [ 8396.835189][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8396.835189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8396.835189][ T10] netlink_rcv_skb+0x130/0x360 [ 8396.835189][ T10] netlink_unicast+0x449/0x710 [ 8396.835189][ T10] netlink_sendmsg+0x723/0xbe0 [ 8396.835189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8396.835189][ T10] ___sys_sendmsg+0xee/0x170 [ 8396.835189][ T10] __sys_sendmsg+0xcd/0x170 [ 8396.835189][ T10] do_syscall_64+0xc6/0x1e0 [ 8396.835189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8396.835189][ T10] [ 8396.837035][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8396.837268][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8396.837268][ T10] netdev_get_by_index+0x5e/0x80 [ 8396.837268][ T10] fib6_nh_init+0x3d8/0x1580 [ 8396.837268][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8396.837268][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8396.837268][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8396.837268][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8396.837268][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8396.837268][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8396.837268][ T10] addrconf_dad_begin+0x310/0x670 [ 8396.837268][ T10] addrconf_dad_work+0x10b/0xab0 [ 8396.837268][ T10] process_one_work+0x84d/0x18a0 [ 8396.837268][ T10] worker_thread+0x587/0xd30 [ 8396.837268][ T10] kthread+0x28a/0x350 [ 8396.837268][ T10] ret_from_fork+0x31/0x70 [ 8396.837268][ T10] ret_from_fork_asm+0x1a/0x30 [ 8396.837268][ T10] [ 8396.839463][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8396.839463][ T10] netdev_get_by_index+0x5e/0x80 [ 8396.839463][ T10] fib6_nh_init+0x3d8/0x1580 [ 8396.839463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8396.839463][ T10] ip6_route_add+0x1c/0x140 [ 8396.839463][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8396.839463][ T10] inet6_addr_add+0x4f8/0xa40 [ 8396.839463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8396.839463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8396.839463][ T10] netlink_rcv_skb+0x130/0x360 [ 8396.839463][ T10] netlink_unicast+0x449/0x710 [ 8396.839463][ T10] netlink_sendmsg+0x723/0xbe0 [ 8396.839463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8396.839463][ T10] ___sys_sendmsg+0xee/0x170 [ 8396.839463][ T10] __sys_sendmsg+0xcd/0x170 [ 8396.839463][ T10] do_syscall_64+0xc6/0x1e0 [ 8396.839463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8396.839463][ T10] [ 8396.841691][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8396.841691][ T10] netdev_get_by_index+0x5e/0x80 [ 8396.841691][ T10] fib6_nh_init+0x3d8/0x1580 [ 8396.841691][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8396.841691][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8396.841691][ T10] ipv6_add_addr+0x411/0x2000 [ 8396.841691][ T10] inet6_addr_add+0x30e/0xa40 [ 8396.841691][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8396.841691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8396.841691][ T10] netlink_rcv_skb+0x130/0x360 [ 8396.841691][ T10] netlink_unicast+0x449/0x710 [ 8396.841691][ T10] netlink_sendmsg+0x723/0xbe0 [ 8396.841691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8396.841691][ T10] ___sys_sendmsg+0xee/0x170 [ 8396.841691][ T10] __sys_sendmsg+0xcd/0x170 [ 8396.841691][ T10] do_syscall_64+0xc6/0x1e0 [ 8396.841691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8396.841691][ T10] [ 8396.843913][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8396.843913][ T10] netdev_get_by_index+0x5e/0x80 [ 8396.843913][ T10] fib6_nh_init+0x3d8/0x1580 [ 8396.843913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8396.843913][ T10] ip6_route_add+0x1c/0x140 [ 8396.843913][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8396.843913][ T10] addrconf_add_dev+0xe2/0x170 [ 8396.843913][ T10] inet6_addr_add+0x12f/0xa40 [ 8396.843913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8396.843913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8396.843913][ T10] netlink_rcv_skb+0x130/0x360 [ 8396.843913][ T10] netlink_unicast+0x449/0x710 [ 8396.843913][ T10] netlink_sendmsg+0x723/0xbe0 [ 8396.843913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8396.843913][ T10] ___sys_sendmsg+0xee/0x170 [ 8396.843913][ T10] __sys_sendmsg+0xcd/0x170 [ 8396.843913][ T10] do_syscall_64+0xc6/0x1e0 [ 8396.843913][ T10] [ 8396.846036][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8396.846036][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8396.846036][ T10] ipv6_find_idev+0x102/0x170 [ 8396.846036][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8396.846036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8396.846036][ T10] netlink_rcv_skb+0x130/0x360 [ 8396.846036][ T10] netlink_unicast+0x449/0x710 [ 8396.846036][ T10] netlink_sendmsg+0x723/0xbe0 [ 8396.846036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8396.846036][ T10] ___sys_sendmsg+0xee/0x170 [ 8396.846036][ T10] __sys_sendmsg+0xcd/0x170 [ 8396.846036][ T10] do_syscall_64+0xc6/0x1e0 [ 8396.846036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8396.846036][ T10] [ 8396.847781][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8396.847781][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8396.847781][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8396.847781][ T10] ipv6_find_idev+0x102/0x170 [ 8396.847781][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8396.847781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8396.847781][ T10] netlink_rcv_skb+0x130/0x360 [ 8396.847781][ T10] netlink_unicast+0x449/0x710 [ 8396.847781][ T10] netlink_sendmsg+0x723/0xbe0 [ 8396.847781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8396.847781][ T10] ___sys_sendmsg+0xee/0x170 [ 8396.847781][ T10] __sys_sendmsg+0xcd/0x170 [ 8396.847781][ T10] do_syscall_64+0xc6/0x1e0 [ 8396.847781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8396.847781][ T10] [ 8397.505115][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8397.505505][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8397.505505][ T1167] dst_init+0x84/0x4a0 [ 8397.505505][ T1167] dst_alloc+0x97/0x150 [ 8397.505505][ T1167] ip6_dst_alloc+0x23/0x90 [ 8397.505505][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8397.505505][ T1167] ip6_pol_route+0x56f/0x840 [ 8397.505505][ T1167] fib6_rule_lookup+0x334/0x630 [ 8397.505505][ T1167] ip6_route_output_flags+0x259/0x480 [ 8397.505505][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8397.505505][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8397.505505][ T1167] netlink_rcv_skb+0x130/0x360 [ 8397.505505][ T1167] netlink_unicast+0x449/0x710 [ 8397.505505][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8397.505505][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8397.505505][ T1167] ___sys_sendmsg+0xee/0x170 [ 8397.505505][ T1167] __sys_sendmsg+0xcd/0x170 [ 8397.505505][ T1167] do_syscall_64+0xc6/0x1e0 [ 8397.505505][ T1167] [ 8397.507804][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8397.507804][ T1167] netdev_get_by_index+0x5e/0x80 [ 8397.507804][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8397.507804][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8397.507804][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8397.507804][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8397.507804][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8397.507804][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8397.507804][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8397.507804][ T1167] addrconf_dad_begin+0x310/0x670 [ 8397.507804][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8397.507804][ T1167] process_one_work+0x84d/0x18a0 [ 8397.507804][ T1167] worker_thread+0x587/0xd30 [ 8397.507804][ T1167] kthread+0x28a/0x350 [ 8397.507804][ T1167] ret_from_fork+0x31/0x70 [ 8397.507804][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8397.507804][ T1167] [ 8397.510048][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8397.510048][ T1167] netdev_get_by_index+0x5e/0x80 [ 8397.510048][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8397.510048][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8397.510048][ T1167] ip6_route_add+0x1c/0x140 [ 8397.510048][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8397.510048][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8397.510048][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8397.510048][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8397.510048][ T1167] netlink_rcv_skb+0x130/0x360 [ 8397.510048][ T1167] netlink_unicast+0x449/0x710 [ 8397.510048][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8397.510048][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8397.510048][ T1167] ___sys_sendmsg+0xee/0x170 [ 8397.510048][ T1167] __sys_sendmsg+0xcd/0x170 [ 8397.510048][ T1167] do_syscall_64+0xc6/0x1e0 [ 8397.510048][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8397.510048][ T1167] [ 8397.512391][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8397.512391][ T1167] netdev_get_by_index+0x5e/0x80 [ 8397.512391][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8397.512391][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8397.512391][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8397.512391][ T1167] ipv6_add_addr+0x411/0x2000 [ 8397.512391][ T1167] inet6_addr_add+0x30e/0xa40 [ 8397.512391][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8397.512391][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8397.512391][ T1167] netlink_rcv_skb+0x130/0x360 [ 8397.512391][ T1167] netlink_unicast+0x449/0x710 [ 8397.512391][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8397.512391][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8397.512391][ T1167] ___sys_sendmsg+0xee/0x170 [ 8397.512391][ T1167] __sys_sendmsg+0xcd/0x170 [ 8397.512391][ T1167] do_syscall_64+0xc6/0x1e0 [ 8397.512391][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8397.512391][ T1167] [ 8397.515256][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8397.515256][ T1167] netdev_get_by_index+0x5e/0x80 [ 8397.515256][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8397.515256][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8397.515256][ T1167] ip6_route_add+0x1c/0x140 [ 8397.515256][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8397.515256][ T1167] addrconf_add_dev+0xe2/0x170 [ 8397.515256][ T1167] inet6_addr_add+0x12f/0xa40 [ 8397.515256][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8397.515256][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8397.515256][ T1167] netlink_rcv_skb+0x130/0x360 [ 8397.515256][ T1167] netlink_unicast+0x449/0x710 [ 8397.515256][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8397.515256][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8397.515256][ T1167] ___sys_sendmsg+0xee/0x170 [ 8397.515256][ T1167] __sys_sendmsg+0xcd/0x170 [ 8397.515256][ T1167] do_syscall_64+0xc6/0x1e0 [ 8397.515256][ T1167] [ 8397.517562][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8397.517562][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8397.517562][ T1167] ipv6_find_idev+0x102/0x170 [ 8397.517562][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8397.517562][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8397.517562][ T1167] netlink_rcv_skb+0x130/0x360 [ 8397.517562][ T1167] netlink_unicast+0x449/0x710 [ 8397.517562][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8397.517562][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8397.517562][ T1167] ___sys_sendmsg+0xee/0x170 [ 8397.517562][ T1167] __sys_sendmsg+0xcd/0x170 [ 8397.517562][ T1167] do_syscall_64+0xc6/0x1e0 [ 8397.517562][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8397.517562][ T1167] [ 8397.519381][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8397.519381][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8397.519381][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8397.519381][ T1167] ipv6_find_idev+0x102/0x170 [ 8397.519381][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8397.519381][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8397.519381][ T1167] netlink_rcv_skb+0x130/0x360 [ 8397.519381][ T1167] netlink_unicast+0x449/0x710 [ 8397.519381][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8397.519381][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8397.519381][ T1167] ___sys_sendmsg+0xee/0x170 [ 8397.519381][ T1167] __sys_sendmsg+0xcd/0x170 [ 8397.519381][ T1167] do_syscall_64+0xc6/0x1e0 [ 8397.519381][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8397.519381][ T1167] [ 8406.993125][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8406.993580][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8406.993580][ T10] netdev_get_by_index+0x5e/0x80 [ 8406.993580][ T10] fib6_nh_init+0x3d8/0x1580 [ 8406.993580][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8406.993580][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8406.993580][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8406.993580][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8406.993580][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8406.993580][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8406.993580][ T10] addrconf_dad_begin+0x310/0x670 [ 8406.993580][ T10] addrconf_dad_work+0x10b/0xab0 [ 8406.993580][ T10] process_one_work+0x84d/0x18a0 [ 8406.993580][ T10] worker_thread+0x587/0xd30 [ 8406.993580][ T10] kthread+0x28a/0x350 [ 8406.993580][ T10] ret_from_fork+0x31/0x70 [ 8406.993580][ T10] ret_from_fork_asm+0x1a/0x30 [ 8406.993580][ T10] [ 8406.995609][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8406.995609][ T10] netdev_get_by_index+0x5e/0x80 [ 8406.995609][ T10] fib6_nh_init+0x3d8/0x1580 [ 8406.995609][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8406.995609][ T10] ip6_route_add+0x1c/0x140 [ 8406.995609][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8406.995609][ T10] inet6_addr_add+0x4f8/0xa40 [ 8406.995609][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8406.995609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8406.995609][ T10] netlink_rcv_skb+0x130/0x360 [ 8406.995609][ T10] netlink_unicast+0x449/0x710 [ 8406.995609][ T10] netlink_sendmsg+0x723/0xbe0 [ 8406.995609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8406.995609][ T10] ___sys_sendmsg+0xee/0x170 [ 8406.995609][ T10] __sys_sendmsg+0xcd/0x170 [ 8406.995609][ T10] do_syscall_64+0xc6/0x1e0 [ 8406.995609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8406.995609][ T10] [ 8406.997702][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8406.997702][ T10] netdev_get_by_index+0x5e/0x80 [ 8406.997702][ T10] fib6_nh_init+0x3d8/0x1580 [ 8406.997702][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8406.997702][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8406.997702][ T10] ipv6_add_addr+0x411/0x2000 [ 8406.997702][ T10] inet6_addr_add+0x30e/0xa40 [ 8406.997702][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8406.997702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8406.997702][ T10] netlink_rcv_skb+0x130/0x360 [ 8406.997702][ T10] netlink_unicast+0x449/0x710 [ 8406.997702][ T10] netlink_sendmsg+0x723/0xbe0 [ 8406.997702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8406.997702][ T10] ___sys_sendmsg+0xee/0x170 [ 8406.997702][ T10] __sys_sendmsg+0xcd/0x170 [ 8406.997702][ T10] do_syscall_64+0xc6/0x1e0 [ 8406.997702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8406.997702][ T10] [ 8406.999796][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8406.999796][ T10] netdev_get_by_index+0x5e/0x80 [ 8406.999796][ T10] fib6_nh_init+0x3d8/0x1580 [ 8406.999796][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8406.999796][ T10] ip6_route_add+0x1c/0x140 [ 8406.999796][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8406.999796][ T10] addrconf_add_dev+0xe2/0x170 [ 8406.999796][ T10] inet6_addr_add+0x12f/0xa40 [ 8406.999796][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8406.999796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8406.999796][ T10] netlink_rcv_skb+0x130/0x360 [ 8406.999796][ T10] netlink_unicast+0x449/0x710 [ 8406.999796][ T10] netlink_sendmsg+0x723/0xbe0 [ 8406.999796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8406.999796][ T10] ___sys_sendmsg+0xee/0x170 [ 8406.999796][ T10] __sys_sendmsg+0xcd/0x170 [ 8406.999796][ T10] do_syscall_64+0xc6/0x1e0 [ 8406.999796][ T10] [ 8407.001859][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8407.001859][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8407.001859][ T10] ipv6_find_idev+0x102/0x170 [ 8407.001859][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8407.001859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8407.001859][ T10] netlink_rcv_skb+0x130/0x360 [ 8407.001859][ T10] netlink_unicast+0x449/0x710 [ 8407.001859][ T10] netlink_sendmsg+0x723/0xbe0 [ 8407.001859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8407.001859][ T10] ___sys_sendmsg+0xee/0x170 [ 8407.001859][ T10] __sys_sendmsg+0xcd/0x170 [ 8407.001859][ T10] do_syscall_64+0xc6/0x1e0 [ 8407.001859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8407.001859][ T10] [ 8407.003466][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8407.003466][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8407.003466][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8407.003466][ T10] ipv6_find_idev+0x102/0x170 [ 8407.003466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8407.003466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8407.003466][ T10] netlink_rcv_skb+0x130/0x360 [ 8407.003466][ T10] netlink_unicast+0x449/0x710 [ 8407.003466][ T10] netlink_sendmsg+0x723/0xbe0 [ 8407.003466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8407.003466][ T10] ___sys_sendmsg+0xee/0x170 [ 8407.003466][ T10] __sys_sendmsg+0xcd/0x170 [ 8407.003466][ T10] do_syscall_64+0xc6/0x1e0 [ 8407.003466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8407.003466][ T10] [ 8407.005223][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8407.005469][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8407.005469][ T10] netdev_get_by_index+0x5e/0x80 [ 8407.005469][ T10] fib6_nh_init+0x3d8/0x1580 [ 8407.005469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8407.005469][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8407.005469][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8407.005469][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8407.005469][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8407.005469][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8407.005469][ T10] addrconf_dad_begin+0x310/0x670 [ 8407.005469][ T10] addrconf_dad_work+0x10b/0xab0 [ 8407.005469][ T10] process_one_work+0x84d/0x18a0 [ 8407.005469][ T10] worker_thread+0x587/0xd30 [ 8407.005469][ T10] kthread+0x28a/0x350 [ 8407.005469][ T10] ret_from_fork+0x31/0x70 [ 8407.005469][ T10] ret_from_fork_asm+0x1a/0x30 [ 8407.005469][ T10] [ 8407.007454][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8407.007454][ T10] netdev_get_by_index+0x5e/0x80 [ 8407.007454][ T10] fib6_nh_init+0x3d8/0x1580 [ 8407.007454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8407.007454][ T10] ip6_route_add+0x1c/0x140 [ 8407.007454][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8407.007454][ T10] inet6_addr_add+0x4f8/0xa40 [ 8407.007454][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8407.007454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8407.007454][ T10] netlink_rcv_skb+0x130/0x360 [ 8407.007454][ T10] netlink_unicast+0x449/0x710 [ 8407.007454][ T10] netlink_sendmsg+0x723/0xbe0 [ 8407.007454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8407.007454][ T10] ___sys_sendmsg+0xee/0x170 [ 8407.007454][ T10] __sys_sendmsg+0xcd/0x170 [ 8407.007454][ T10] do_syscall_64+0xc6/0x1e0 [ 8407.007454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8407.007454][ T10] [ 8407.009535][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8407.009535][ T10] netdev_get_by_index+0x5e/0x80 [ 8407.009535][ T10] fib6_nh_init+0x3d8/0x1580 [ 8407.009535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8407.009535][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8407.009535][ T10] ipv6_add_addr+0x411/0x2000 [ 8407.009535][ T10] inet6_addr_add+0x30e/0xa40 [ 8407.009535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8407.009535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8407.009535][ T10] netlink_rcv_skb+0x130/0x360 [ 8407.009535][ T10] netlink_unicast+0x449/0x710 [ 8407.009535][ T10] netlink_sendmsg+0x723/0xbe0 [ 8407.009535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8407.009535][ T10] ___sys_sendmsg+0xee/0x170 [ 8407.009535][ T10] __sys_sendmsg+0xcd/0x170 [ 8407.009535][ T10] do_syscall_64+0xc6/0x1e0 [ 8407.009535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8407.009535][ T10] [ 8407.011616][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8407.011616][ T10] netdev_get_by_index+0x5e/0x80 [ 8407.011616][ T10] fib6_nh_init+0x3d8/0x1580 [ 8407.011616][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8407.011616][ T10] ip6_route_add+0x1c/0x140 [ 8407.011616][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8407.011616][ T10] addrconf_add_dev+0xe2/0x170 [ 8407.011616][ T10] inet6_addr_add+0x12f/0xa40 [ 8407.011616][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8407.011616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8407.011616][ T10] netlink_rcv_skb+0x130/0x360 [ 8407.011616][ T10] netlink_unicast+0x449/0x710 [ 8407.011616][ T10] netlink_sendmsg+0x723/0xbe0 [ 8407.011616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8407.011616][ T10] ___sys_sendmsg+0xee/0x170 [ 8407.011616][ T10] __sys_sendmsg+0xcd/0x170 [ 8407.011616][ T10] do_syscall_64+0xc6/0x1e0 [ 8407.011616][ T10] [ 8407.013671][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8407.013671][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8407.013671][ T10] ipv6_find_idev+0x102/0x170 [ 8407.013671][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8407.013671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8407.013671][ T10] netlink_rcv_skb+0x130/0x360 [ 8407.013671][ T10] netlink_unicast+0x449/0x710 [ 8407.013671][ T10] netlink_sendmsg+0x723/0xbe0 [ 8407.013671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8407.013671][ T10] ___sys_sendmsg+0xee/0x170 [ 8407.013671][ T10] __sys_sendmsg+0xcd/0x170 [ 8407.013671][ T10] do_syscall_64+0xc6/0x1e0 [ 8407.013671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8407.013671][ T10] [ 8407.015272][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8407.015272][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8407.015272][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8407.015272][ T10] ipv6_find_idev+0x102/0x170 [ 8407.015272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8407.015272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8407.015272][ T10] netlink_rcv_skb+0x130/0x360 [ 8407.015272][ T10] netlink_unicast+0x449/0x710 [ 8407.015272][ T10] netlink_sendmsg+0x723/0xbe0 [ 8407.015272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8407.015272][ T10] ___sys_sendmsg+0xee/0x170 [ 8407.015272][ T10] __sys_sendmsg+0xcd/0x170 [ 8407.015272][ T10] do_syscall_64+0xc6/0x1e0 [ 8407.015272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8407.015272][ T10] [ 8407.017023][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8407.017268][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8407.017268][ T10] netdev_get_by_index+0x5e/0x80 [ 8407.017268][ T10] fib6_nh_init+0x3d8/0x1580 [ 8407.017268][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8407.017268][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8407.017268][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8407.017268][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8407.017268][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8407.017268][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8407.017268][ T10] addrconf_dad_begin+0x310/0x670 [ 8407.017268][ T10] addrconf_dad_work+0x10b/0xab0 [ 8407.017268][ T10] process_one_work+0x84d/0x18a0 [ 8407.017268][ T10] worker_thread+0x587/0xd30 [ 8407.017268][ T10] kthread+0x28a/0x350 [ 8407.017268][ T10] ret_from_fork+0x31/0x70 [ 8407.017268][ T10] ret_from_fork_asm+0x1a/0x30 [ 8407.017268][ T10] [ 8407.019268][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8407.019268][ T10] netdev_get_by_index+0x5e/0x80 [ 8407.019268][ T10] fib6_nh_init+0x3d8/0x1580 [ 8407.019268][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8407.019268][ T10] ip6_route_add+0x1c/0x140 [ 8407.019268][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8407.019268][ T10] inet6_addr_add+0x4f8/0xa40 [ 8407.019268][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8407.019268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8407.019268][ T10] netlink_rcv_skb+0x130/0x360 [ 8407.019268][ T10] netlink_unicast+0x449/0x710 [ 8407.019268][ T10] netlink_sendmsg+0x723/0xbe0 [ 8407.019268][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8407.019268][ T10] ___sys_sendmsg+0xee/0x170 [ 8407.019268][ T10] __sys_sendmsg+0xcd/0x170 [ 8407.019268][ T10] do_syscall_64+0xc6/0x1e0 [ 8407.019268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8407.019268][ T10] [ 8407.021531][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8407.021531][ T10] netdev_get_by_index+0x5e/0x80 [ 8407.021531][ T10] fib6_nh_init+0x3d8/0x1580 [ 8407.021531][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8407.021531][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8407.021531][ T10] ipv6_add_addr+0x411/0x2000 [ 8407.021531][ T10] inet6_addr_add+0x30e/0xa40 [ 8407.021531][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8407.021531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8407.021531][ T10] netlink_rcv_skb+0x130/0x360 [ 8407.021531][ T10] netlink_unicast+0x449/0x710 [ 8407.021531][ T10] netlink_sendmsg+0x723/0xbe0 [ 8407.021531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8407.021531][ T10] ___sys_sendmsg+0xee/0x170 [ 8407.021531][ T10] __sys_sendmsg+0xcd/0x170 [ 8407.021531][ T10] do_syscall_64+0xc6/0x1e0 [ 8407.021531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8407.021531][ T10] [ 8407.023849][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8407.023849][ T10] netdev_get_by_index+0x5e/0x80 [ 8407.023849][ T10] fib6_nh_init+0x3d8/0x1580 [ 8407.023849][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8407.023849][ T10] ip6_route_add+0x1c/0x140 [ 8407.023849][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8407.023849][ T10] addrconf_add_dev+0xe2/0x170 [ 8407.023849][ T10] inet6_addr_add+0x12f/0xa40 [ 8407.023849][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8407.023849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8407.023849][ T10] netlink_rcv_skb+0x130/0x360 [ 8407.023849][ T10] netlink_unicast+0x449/0x710 [ 8407.023849][ T10] netlink_sendmsg+0x723/0xbe0 [ 8407.023849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8407.023849][ T10] ___sys_sendmsg+0xee/0x170 [ 8407.023849][ T10] __sys_sendmsg+0xcd/0x170 [ 8407.023849][ T10] do_syscall_64+0xc6/0x1e0 [ 8407.023849][ T10] [ 8407.026150][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8407.026150][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8407.026150][ T10] ipv6_find_idev+0x102/0x170 [ 8407.026150][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8407.026150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8407.026150][ T10] netlink_rcv_skb+0x130/0x360 [ 8407.026150][ T10] netlink_unicast+0x449/0x710 [ 8407.026150][ T10] netlink_sendmsg+0x723/0xbe0 [ 8407.026150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8407.026150][ T10] ___sys_sendmsg+0xee/0x170 [ 8407.026150][ T10] __sys_sendmsg+0xcd/0x170 [ 8407.026150][ T10] do_syscall_64+0xc6/0x1e0 [ 8407.026150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8407.026150][ T10] [ 8407.027870][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8407.027870][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8407.027870][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8407.027870][ T10] ipv6_find_idev+0x102/0x170 [ 8407.027870][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8407.027870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8407.027870][ T10] netlink_rcv_skb+0x130/0x360 [ 8407.027870][ T10] netlink_unicast+0x449/0x710 [ 8407.027870][ T10] netlink_sendmsg+0x723/0xbe0 [ 8407.027870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8407.027870][ T10] ___sys_sendmsg+0xee/0x170 [ 8407.027870][ T10] __sys_sendmsg+0xcd/0x170 [ 8407.027870][ T10] do_syscall_64+0xc6/0x1e0 [ 8407.027870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8407.027870][ T10] [ 8407.029925][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8407.030606][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8407.030606][ T10] netdev_get_by_index+0x5e/0x80 [ 8407.030606][ T10] fib6_nh_init+0x3d8/0x1580 [ 8407.030606][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8407.030606][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8407.030606][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8407.030606][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8407.030606][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8407.030606][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8407.030606][ T10] addrconf_dad_begin+0x310/0x670 [ 8407.030606][ T10] addrconf_dad_work+0x10b/0xab0 [ 8407.030606][ T10] process_one_work+0x84d/0x18a0 [ 8407.030606][ T10] worker_thread+0x587/0xd30 [ 8407.030606][ T10] kthread+0x28a/0x350 [ 8407.030606][ T10] ret_from_fork+0x31/0x70 [ 8407.030606][ T10] ret_from_fork_asm+0x1a/0x30 [ 8407.030606][ T10] [ 8407.032591][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8407.032591][ T10] netdev_get_by_index+0x5e/0x80 [ 8407.032591][ T10] fib6_nh_init+0x3d8/0x1580 [ 8407.032591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8407.032591][ T10] ip6_route_add+0x1c/0x140 [ 8407.032591][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8407.032591][ T10] inet6_addr_add+0x4f8/0xa40 [ 8407.032591][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8407.032591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8407.032591][ T10] netlink_rcv_skb+0x130/0x360 [ 8407.032591][ T10] netlink_unicast+0x449/0x710 [ 8407.032591][ T10] netlink_sendmsg+0x723/0xbe0 [ 8407.032591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8407.032591][ T10] ___sys_sendmsg+0xee/0x170 [ 8407.032591][ T10] __sys_sendmsg+0xcd/0x170 [ 8407.032591][ T10] do_syscall_64+0xc6/0x1e0 [ 8407.032591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8407.032591][ T10] [ 8407.034785][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8407.034785][ T10] netdev_get_by_index+0x5e/0x80 [ 8407.034785][ T10] fib6_nh_init+0x3d8/0x1580 [ 8407.034785][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8407.034785][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8407.034785][ T10] ipv6_add_addr+0x411/0x2000 [ 8407.034785][ T10] inet6_addr_add+0x30e/0xa40 [ 8407.034785][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8407.034785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8407.034785][ T10] netlink_rcv_skb+0x130/0x360 [ 8407.034785][ T10] netlink_unicast+0x449/0x710 [ 8407.034785][ T10] netlink_sendmsg+0x723/0xbe0 [ 8407.034785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8407.034785][ T10] ___sys_sendmsg+0xee/0x170 [ 8407.034785][ T10] __sys_sendmsg+0xcd/0x170 [ 8407.034785][ T10] do_syscall_64+0xc6/0x1e0 [ 8407.034785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8407.034785][ T10] [ 8407.037106][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8407.037106][ T10] netdev_get_by_index+0x5e/0x80 [ 8407.037106][ T10] fib6_nh_init+0x3d8/0x1580 [ 8407.037106][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8407.037106][ T10] ip6_route_add+0x1c/0x140 [ 8407.037106][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8407.037106][ T10] addrconf_add_dev+0xe2/0x170 [ 8407.037106][ T10] inet6_addr_add+0x12f/0xa40 [ 8407.037106][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8407.037106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8407.037106][ T10] netlink_rcv_skb+0x130/0x360 [ 8407.037106][ T10] netlink_unicast+0x449/0x710 [ 8407.037106][ T10] netlink_sendmsg+0x723/0xbe0 [ 8407.037106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8407.037106][ T10] ___sys_sendmsg+0xee/0x170 [ 8407.037106][ T10] __sys_sendmsg+0xcd/0x170 [ 8407.037106][ T10] do_syscall_64+0xc6/0x1e0 [ 8407.037106][ T10] [ 8407.039374][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8407.039374][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8407.039374][ T10] ipv6_find_idev+0x102/0x170 [ 8407.039374][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8407.039374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8407.039374][ T10] netlink_rcv_skb+0x130/0x360 [ 8407.039374][ T10] netlink_unicast+0x449/0x710 [ 8407.039374][ T10] netlink_sendmsg+0x723/0xbe0 [ 8407.039374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8407.039374][ T10] ___sys_sendmsg+0xee/0x170 [ 8407.039374][ T10] __sys_sendmsg+0xcd/0x170 [ 8407.039374][ T10] do_syscall_64+0xc6/0x1e0 [ 8407.039374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8407.039374][ T10] [ 8407.041158][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8407.041158][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8407.041158][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8407.041158][ T10] ipv6_find_idev+0x102/0x170 [ 8407.041158][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8407.041158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8407.041158][ T10] netlink_rcv_skb+0x130/0x360 [ 8407.041158][ T10] netlink_unicast+0x449/0x710 [ 8407.041158][ T10] netlink_sendmsg+0x723/0xbe0 [ 8407.041158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8407.041158][ T10] ___sys_sendmsg+0xee/0x170 [ 8407.041158][ T10] __sys_sendmsg+0xcd/0x170 [ 8407.041158][ T10] do_syscall_64+0xc6/0x1e0 [ 8407.041158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8407.041158][ T10] [ 8407.761102][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8407.761545][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8407.761545][ T1167] dst_init+0x84/0x4a0 [ 8407.761545][ T1167] dst_alloc+0x97/0x150 [ 8407.761545][ T1167] ip6_dst_alloc+0x23/0x90 [ 8407.761545][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8407.761545][ T1167] ip6_pol_route+0x56f/0x840 [ 8407.761545][ T1167] fib6_rule_lookup+0x334/0x630 [ 8407.761545][ T1167] ip6_route_output_flags+0x259/0x480 [ 8407.761545][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8407.761545][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8407.761545][ T1167] netlink_rcv_skb+0x130/0x360 [ 8407.761545][ T1167] netlink_unicast+0x449/0x710 [ 8407.761545][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8407.761545][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8407.761545][ T1167] ___sys_sendmsg+0xee/0x170 [ 8407.761545][ T1167] __sys_sendmsg+0xcd/0x170 [ 8407.761545][ T1167] do_syscall_64+0xc6/0x1e0 [ 8407.761545][ T1167] [ 8407.763839][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8407.763839][ T1167] netdev_get_by_index+0x5e/0x80 [ 8407.763839][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8407.763839][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8407.763839][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8407.763839][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8407.763839][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8407.763839][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8407.763839][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8407.763839][ T1167] addrconf_dad_begin+0x310/0x670 [ 8407.763839][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8407.763839][ T1167] process_one_work+0x84d/0x18a0 [ 8407.763839][ T1167] worker_thread+0x587/0xd30 [ 8407.763839][ T1167] kthread+0x28a/0x350 [ 8407.763839][ T1167] ret_from_fork+0x31/0x70 [ 8407.763839][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8407.763839][ T1167] [ 8407.766069][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8407.766069][ T1167] netdev_get_by_index+0x5e/0x80 [ 8407.766069][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8407.766069][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8407.766069][ T1167] ip6_route_add+0x1c/0x140 [ 8407.766069][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8407.766069][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8407.766069][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8407.766069][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8407.766069][ T1167] netlink_rcv_skb+0x130/0x360 [ 8407.766069][ T1167] netlink_unicast+0x449/0x710 [ 8407.766069][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8407.766069][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8407.766069][ T1167] ___sys_sendmsg+0xee/0x170 [ 8407.766069][ T1167] __sys_sendmsg+0xcd/0x170 [ 8407.766069][ T1167] do_syscall_64+0xc6/0x1e0 [ 8407.766069][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8407.766069][ T1167] [ 8407.768451][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8407.768451][ T1167] netdev_get_by_index+0x5e/0x80 [ 8407.768451][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8407.768451][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8407.768451][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8407.768451][ T1167] ipv6_add_addr+0x411/0x2000 [ 8407.768451][ T1167] inet6_addr_add+0x30e/0xa40 [ 8407.768451][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8407.768451][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8407.768451][ T1167] netlink_rcv_skb+0x130/0x360 [ 8407.768451][ T1167] netlink_unicast+0x449/0x710 [ 8407.768451][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8407.768451][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8407.768451][ T1167] ___sys_sendmsg+0xee/0x170 [ 8407.768451][ T1167] __sys_sendmsg+0xcd/0x170 [ 8407.768451][ T1167] do_syscall_64+0xc6/0x1e0 [ 8407.768451][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8407.768451][ T1167] [ 8407.770710][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8407.770710][ T1167] netdev_get_by_index+0x5e/0x80 [ 8407.770710][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8407.770710][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8407.770710][ T1167] ip6_route_add+0x1c/0x140 [ 8407.770710][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8407.770710][ T1167] addrconf_add_dev+0xe2/0x170 [ 8407.770710][ T1167] inet6_addr_add+0x12f/0xa40 [ 8407.770710][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8407.770710][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8407.770710][ T1167] netlink_rcv_skb+0x130/0x360 [ 8407.770710][ T1167] netlink_unicast+0x449/0x710 [ 8407.770710][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8407.770710][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8407.770710][ T1167] ___sys_sendmsg+0xee/0x170 [ 8407.770710][ T1167] __sys_sendmsg+0xcd/0x170 [ 8407.770710][ T1167] do_syscall_64+0xc6/0x1e0 [ 8407.770710][ T1167] [ 8407.772925][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8407.772925][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8407.772925][ T1167] ipv6_find_idev+0x102/0x170 [ 8407.772925][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8407.772925][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8407.772925][ T1167] netlink_rcv_skb+0x130/0x360 [ 8407.772925][ T1167] netlink_unicast+0x449/0x710 [ 8407.772925][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8407.772925][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8407.772925][ T1167] ___sys_sendmsg+0xee/0x170 [ 8407.772925][ T1167] __sys_sendmsg+0xcd/0x170 [ 8407.772925][ T1167] do_syscall_64+0xc6/0x1e0 [ 8407.772925][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8407.772925][ T1167] [ 8407.774657][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8407.774657][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8407.774657][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8407.774657][ T1167] ipv6_find_idev+0x102/0x170 [ 8407.774657][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8407.774657][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8407.774657][ T1167] netlink_rcv_skb+0x130/0x360 [ 8407.774657][ T1167] netlink_unicast+0x449/0x710 [ 8407.774657][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8407.774657][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8407.774657][ T1167] ___sys_sendmsg+0xee/0x170 [ 8407.774657][ T1167] __sys_sendmsg+0xcd/0x170 [ 8407.774657][ T1167] do_syscall_64+0xc6/0x1e0 [ 8407.774657][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8407.774657][ T1167] [ 8417.105082][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8417.105489][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8417.105489][ T10] netdev_get_by_index+0x5e/0x80 [ 8417.105489][ T10] fib6_nh_init+0x3d8/0x1580 [ 8417.105489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8417.105489][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8417.105489][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8417.105489][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8417.105489][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8417.105489][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8417.105489][ T10] addrconf_dad_begin+0x310/0x670 [ 8417.105489][ T10] addrconf_dad_work+0x10b/0xab0 [ 8417.105489][ T10] process_one_work+0x84d/0x18a0 [ 8417.105489][ T10] worker_thread+0x587/0xd30 [ 8417.105489][ T10] kthread+0x28a/0x350 [ 8417.105489][ T10] ret_from_fork+0x31/0x70 [ 8417.105489][ T10] ret_from_fork_asm+0x1a/0x30 [ 8417.105489][ T10] [ 8417.107423][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8417.107423][ T10] netdev_get_by_index+0x5e/0x80 [ 8417.107423][ T10] fib6_nh_init+0x3d8/0x1580 [ 8417.107423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8417.107423][ T10] ip6_route_add+0x1c/0x140 [ 8417.107423][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8417.107423][ T10] inet6_addr_add+0x4f8/0xa40 [ 8417.107423][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8417.107423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8417.107423][ T10] netlink_rcv_skb+0x130/0x360 [ 8417.107423][ T10] netlink_unicast+0x449/0x710 [ 8417.107423][ T10] netlink_sendmsg+0x723/0xbe0 [ 8417.107423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8417.107423][ T10] ___sys_sendmsg+0xee/0x170 [ 8417.107423][ T10] __sys_sendmsg+0xcd/0x170 [ 8417.107423][ T10] do_syscall_64+0xc6/0x1e0 [ 8417.107423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8417.107423][ T10] [ 8417.109425][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8417.109425][ T10] netdev_get_by_index+0x5e/0x80 [ 8417.109425][ T10] fib6_nh_init+0x3d8/0x1580 [ 8417.109425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8417.109425][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8417.109425][ T10] ipv6_add_addr+0x411/0x2000 [ 8417.109425][ T10] inet6_addr_add+0x30e/0xa40 [ 8417.109425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8417.109425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8417.109425][ T10] netlink_rcv_skb+0x130/0x360 [ 8417.109425][ T10] netlink_unicast+0x449/0x710 [ 8417.109425][ T10] netlink_sendmsg+0x723/0xbe0 [ 8417.109425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8417.109425][ T10] ___sys_sendmsg+0xee/0x170 [ 8417.109425][ T10] __sys_sendmsg+0xcd/0x170 [ 8417.109425][ T10] do_syscall_64+0xc6/0x1e0 [ 8417.109425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8417.109425][ T10] [ 8417.111418][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8417.111418][ T10] netdev_get_by_index+0x5e/0x80 [ 8417.111418][ T10] fib6_nh_init+0x3d8/0x1580 [ 8417.111418][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8417.111418][ T10] ip6_route_add+0x1c/0x140 [ 8417.111418][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8417.111418][ T10] addrconf_add_dev+0xe2/0x170 [ 8417.111418][ T10] inet6_addr_add+0x12f/0xa40 [ 8417.111418][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8417.111418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8417.111418][ T10] netlink_rcv_skb+0x130/0x360 [ 8417.111418][ T10] netlink_unicast+0x449/0x710 [ 8417.111418][ T10] netlink_sendmsg+0x723/0xbe0 [ 8417.111418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8417.111418][ T10] ___sys_sendmsg+0xee/0x170 [ 8417.111418][ T10] __sys_sendmsg+0xcd/0x170 [ 8417.111418][ T10] do_syscall_64+0xc6/0x1e0 [ 8417.111418][ T10] [ 8417.113367][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8417.113367][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8417.113367][ T10] ipv6_find_idev+0x102/0x170 [ 8417.113367][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8417.113367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8417.113367][ T10] netlink_rcv_skb+0x130/0x360 [ 8417.113367][ T10] netlink_unicast+0x449/0x710 [ 8417.113367][ T10] netlink_sendmsg+0x723/0xbe0 [ 8417.113367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8417.113367][ T10] ___sys_sendmsg+0xee/0x170 [ 8417.113367][ T10] __sys_sendmsg+0xcd/0x170 [ 8417.113367][ T10] do_syscall_64+0xc6/0x1e0 [ 8417.113367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8417.113367][ T10] [ 8417.114900][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8417.114900][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8417.114900][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8417.114900][ T10] ipv6_find_idev+0x102/0x170 [ 8417.114900][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8417.114900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8417.114900][ T10] netlink_rcv_skb+0x130/0x360 [ 8417.114900][ T10] netlink_unicast+0x449/0x710 [ 8417.114900][ T10] netlink_sendmsg+0x723/0xbe0 [ 8417.114900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8417.114900][ T10] ___sys_sendmsg+0xee/0x170 [ 8417.114900][ T10] __sys_sendmsg+0xcd/0x170 [ 8417.114900][ T10] do_syscall_64+0xc6/0x1e0 [ 8417.114900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8417.114900][ T10] [ 8417.116576][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8417.116823][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8417.116823][ T10] netdev_get_by_index+0x5e/0x80 [ 8417.116823][ T10] fib6_nh_init+0x3d8/0x1580 [ 8417.116823][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8417.116823][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8417.116823][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8417.116823][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8417.116823][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8417.116823][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8417.116823][ T10] addrconf_dad_begin+0x310/0x670 [ 8417.116823][ T10] addrconf_dad_work+0x10b/0xab0 [ 8417.116823][ T10] process_one_work+0x84d/0x18a0 [ 8417.116823][ T10] worker_thread+0x587/0xd30 [ 8417.116823][ T10] kthread+0x28a/0x350 [ 8417.116823][ T10] ret_from_fork+0x31/0x70 [ 8417.116823][ T10] ret_from_fork_asm+0x1a/0x30 [ 8417.116823][ T10] [ 8417.118725][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8417.118725][ T10] netdev_get_by_index+0x5e/0x80 [ 8417.118725][ T10] fib6_nh_init+0x3d8/0x1580 [ 8417.118725][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8417.118725][ T10] ip6_route_add+0x1c/0x140 [ 8417.118725][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8417.118725][ T10] inet6_addr_add+0x4f8/0xa40 [ 8417.118725][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8417.118725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8417.118725][ T10] netlink_rcv_skb+0x130/0x360 [ 8417.118725][ T10] netlink_unicast+0x449/0x710 [ 8417.118725][ T10] netlink_sendmsg+0x723/0xbe0 [ 8417.118725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8417.118725][ T10] ___sys_sendmsg+0xee/0x170 [ 8417.118725][ T10] __sys_sendmsg+0xcd/0x170 [ 8417.118725][ T10] do_syscall_64+0xc6/0x1e0 [ 8417.118725][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8417.118725][ T10] [ 8417.120706][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8417.120706][ T10] netdev_get_by_index+0x5e/0x80 [ 8417.120706][ T10] fib6_nh_init+0x3d8/0x1580 [ 8417.120706][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8417.120706][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8417.120706][ T10] ipv6_add_addr+0x411/0x2000 [ 8417.120706][ T10] inet6_addr_add+0x30e/0xa40 [ 8417.120706][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8417.120706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8417.120706][ T10] netlink_rcv_skb+0x130/0x360 [ 8417.120706][ T10] netlink_unicast+0x449/0x710 [ 8417.120706][ T10] netlink_sendmsg+0x723/0xbe0 [ 8417.120706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8417.120706][ T10] ___sys_sendmsg+0xee/0x170 [ 8417.120706][ T10] __sys_sendmsg+0xcd/0x170 [ 8417.120706][ T10] do_syscall_64+0xc6/0x1e0 [ 8417.120706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8417.120706][ T10] [ 8417.122685][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8417.122685][ T10] netdev_get_by_index+0x5e/0x80 [ 8417.122685][ T10] fib6_nh_init+0x3d8/0x1580 [ 8417.122685][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8417.122685][ T10] ip6_route_add+0x1c/0x140 [ 8417.122685][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8417.122685][ T10] addrconf_add_dev+0xe2/0x170 [ 8417.122685][ T10] inet6_addr_add+0x12f/0xa40 [ 8417.122685][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8417.122685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8417.122685][ T10] netlink_rcv_skb+0x130/0x360 [ 8417.122685][ T10] netlink_unicast+0x449/0x710 [ 8417.122685][ T10] netlink_sendmsg+0x723/0xbe0 [ 8417.122685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8417.122685][ T10] ___sys_sendmsg+0xee/0x170 [ 8417.122685][ T10] __sys_sendmsg+0xcd/0x170 [ 8417.122685][ T10] do_syscall_64+0xc6/0x1e0 [ 8417.122685][ T10] [ 8417.124630][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8417.124630][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8417.124630][ T10] ipv6_find_idev+0x102/0x170 [ 8417.124630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8417.124630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8417.124630][ T10] netlink_rcv_skb+0x130/0x360 [ 8417.124630][ T10] netlink_unicast+0x449/0x710 [ 8417.124630][ T10] netlink_sendmsg+0x723/0xbe0 [ 8417.124630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8417.124630][ T10] ___sys_sendmsg+0xee/0x170 [ 8417.124630][ T10] __sys_sendmsg+0xcd/0x170 [ 8417.124630][ T10] do_syscall_64+0xc6/0x1e0 [ 8417.124630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8417.124630][ T10] [ 8417.126166][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8417.126166][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8417.126166][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8417.126166][ T10] ipv6_find_idev+0x102/0x170 [ 8417.126166][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8417.126166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8417.126166][ T10] netlink_rcv_skb+0x130/0x360 [ 8417.126166][ T10] netlink_unicast+0x449/0x710 [ 8417.126166][ T10] netlink_sendmsg+0x723/0xbe0 [ 8417.126166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8417.126166][ T10] ___sys_sendmsg+0xee/0x170 [ 8417.126166][ T10] __sys_sendmsg+0xcd/0x170 [ 8417.126166][ T10] do_syscall_64+0xc6/0x1e0 [ 8417.126166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8417.126166][ T10] [ 8417.127833][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8417.128086][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8417.128086][ T10] netdev_get_by_index+0x5e/0x80 [ 8417.128086][ T10] fib6_nh_init+0x3d8/0x1580 [ 8417.128086][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8417.128086][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8417.128086][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8417.128086][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8417.128086][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8417.128086][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8417.128086][ T10] addrconf_dad_begin+0x310/0x670 [ 8417.128086][ T10] addrconf_dad_work+0x10b/0xab0 [ 8417.128086][ T10] process_one_work+0x84d/0x18a0 [ 8417.128086][ T10] worker_thread+0x587/0xd30 [ 8417.128086][ T10] kthread+0x28a/0x350 [ 8417.128086][ T10] ret_from_fork+0x31/0x70 [ 8417.128086][ T10] ret_from_fork_asm+0x1a/0x30 [ 8417.128086][ T10] [ 8417.129991][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8417.129991][ T10] netdev_get_by_index+0x5e/0x80 [ 8417.129991][ T10] fib6_nh_init+0x3d8/0x1580 [ 8417.129991][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8417.129991][ T10] ip6_route_add+0x1c/0x140 [ 8417.129991][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8417.129991][ T10] inet6_addr_add+0x4f8/0xa40 [ 8417.129991][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8417.129991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8417.129991][ T10] netlink_rcv_skb+0x130/0x360 [ 8417.129991][ T10] netlink_unicast+0x449/0x710 [ 8417.129991][ T10] netlink_sendmsg+0x723/0xbe0 [ 8417.129991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8417.129991][ T10] ___sys_sendmsg+0xee/0x170 [ 8417.129991][ T10] __sys_sendmsg+0xcd/0x170 [ 8417.129991][ T10] do_syscall_64+0xc6/0x1e0 [ 8417.129991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8417.129991][ T10] [ 8417.132163][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8417.132163][ T10] netdev_get_by_index+0x5e/0x80 [ 8417.132163][ T10] fib6_nh_init+0x3d8/0x1580 [ 8417.132163][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8417.132163][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8417.132163][ T10] ipv6_add_addr+0x411/0x2000 [ 8417.132163][ T10] inet6_addr_add+0x30e/0xa40 [ 8417.132163][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8417.132163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8417.132163][ T10] netlink_rcv_skb+0x130/0x360 [ 8417.132163][ T10] netlink_unicast+0x449/0x710 [ 8417.132163][ T10] netlink_sendmsg+0x723/0xbe0 [ 8417.132163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8417.132163][ T10] ___sys_sendmsg+0xee/0x170 [ 8417.132163][ T10] __sys_sendmsg+0xcd/0x170 [ 8417.132163][ T10] do_syscall_64+0xc6/0x1e0 [ 8417.132163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8417.132163][ T10] [ 8417.134391][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8417.134391][ T10] netdev_get_by_index+0x5e/0x80 [ 8417.134391][ T10] fib6_nh_init+0x3d8/0x1580 [ 8417.134391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8417.134391][ T10] ip6_route_add+0x1c/0x140 [ 8417.134391][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8417.134391][ T10] addrconf_add_dev+0xe2/0x170 [ 8417.134391][ T10] inet6_addr_add+0x12f/0xa40 [ 8417.134391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8417.134391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8417.134391][ T10] netlink_rcv_skb+0x130/0x360 [ 8417.134391][ T10] netlink_unicast+0x449/0x710 [ 8417.134391][ T10] netlink_sendmsg+0x723/0xbe0 [ 8417.134391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8417.134391][ T10] ___sys_sendmsg+0xee/0x170 [ 8417.134391][ T10] __sys_sendmsg+0xcd/0x170 [ 8417.134391][ T10] do_syscall_64+0xc6/0x1e0 [ 8417.134391][ T10] [ 8417.136584][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8417.136584][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8417.136584][ T10] ipv6_find_idev+0x102/0x170 [ 8417.136584][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8417.136584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8417.136584][ T10] netlink_rcv_skb+0x130/0x360 [ 8417.136584][ T10] netlink_unicast+0x449/0x710 [ 8417.136584][ T10] netlink_sendmsg+0x723/0xbe0 [ 8417.136584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8417.136584][ T10] ___sys_sendmsg+0xee/0x170 [ 8417.136584][ T10] __sys_sendmsg+0xcd/0x170 [ 8417.136584][ T10] do_syscall_64+0xc6/0x1e0 [ 8417.136584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8417.136584][ T10] [ 8417.138233][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8417.138233][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8417.138233][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8417.138233][ T10] ipv6_find_idev+0x102/0x170 [ 8417.138233][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8417.138233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8417.138233][ T10] netlink_rcv_skb+0x130/0x360 [ 8417.138233][ T10] netlink_unicast+0x449/0x710 [ 8417.138233][ T10] netlink_sendmsg+0x723/0xbe0 [ 8417.138233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8417.138233][ T10] ___sys_sendmsg+0xee/0x170 [ 8417.138233][ T10] __sys_sendmsg+0xcd/0x170 [ 8417.138233][ T10] do_syscall_64+0xc6/0x1e0 [ 8417.138233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8417.138233][ T10] [ 8417.140209][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8417.140443][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8417.140443][ T10] netdev_get_by_index+0x5e/0x80 [ 8417.140443][ T10] fib6_nh_init+0x3d8/0x1580 [ 8417.140443][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8417.140443][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8417.140443][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8417.140443][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8417.140443][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8417.140443][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8417.140443][ T10] addrconf_dad_begin+0x310/0x670 [ 8417.140443][ T10] addrconf_dad_work+0x10b/0xab0 [ 8417.140443][ T10] process_one_work+0x84d/0x18a0 [ 8417.140443][ T10] worker_thread+0x587/0xd30 [ 8417.140443][ T10] kthread+0x28a/0x350 [ 8417.140443][ T10] ret_from_fork+0x31/0x70 [ 8417.140443][ T10] ret_from_fork_asm+0x1a/0x30 [ 8417.140443][ T10] [ 8417.142593][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8417.142593][ T10] netdev_get_by_index+0x5e/0x80 [ 8417.142593][ T10] fib6_nh_init+0x3d8/0x1580 [ 8417.142593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8417.142593][ T10] ip6_route_add+0x1c/0x140 [ 8417.142593][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8417.142593][ T10] inet6_addr_add+0x4f8/0xa40 [ 8417.142593][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8417.142593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8417.142593][ T10] netlink_rcv_skb+0x130/0x360 [ 8417.142593][ T10] netlink_unicast+0x449/0x710 [ 8417.142593][ T10] netlink_sendmsg+0x723/0xbe0 [ 8417.142593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8417.142593][ T10] ___sys_sendmsg+0xee/0x170 [ 8417.142593][ T10] __sys_sendmsg+0xcd/0x170 [ 8417.142593][ T10] do_syscall_64+0xc6/0x1e0 [ 8417.142593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8417.142593][ T10] [ 8417.144815][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8417.144815][ T10] netdev_get_by_index+0x5e/0x80 [ 8417.144815][ T10] fib6_nh_init+0x3d8/0x1580 [ 8417.144815][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8417.144815][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8417.144815][ T10] ipv6_add_addr+0x411/0x2000 [ 8417.144815][ T10] inet6_addr_add+0x30e/0xa40 [ 8417.144815][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8417.144815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8417.144815][ T10] netlink_rcv_skb+0x130/0x360 [ 8417.144815][ T10] netlink_unicast+0x449/0x710 [ 8417.144815][ T10] netlink_sendmsg+0x723/0xbe0 [ 8417.144815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8417.144815][ T10] ___sys_sendmsg+0xee/0x170 [ 8417.144815][ T10] __sys_sendmsg+0xcd/0x170 [ 8417.144815][ T10] do_syscall_64+0xc6/0x1e0 [ 8417.144815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8417.144815][ T10] [ 8417.147635][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8417.147635][ T10] netdev_get_by_index+0x5e/0x80 [ 8417.147635][ T10] fib6_nh_init+0x3d8/0x1580 [ 8417.147635][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8417.147635][ T10] ip6_route_add+0x1c/0x140 [ 8417.147635][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8417.147635][ T10] addrconf_add_dev+0xe2/0x170 [ 8417.147635][ T10] inet6_addr_add+0x12f/0xa40 [ 8417.147635][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8417.147635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8417.147635][ T10] netlink_rcv_skb+0x130/0x360 [ 8417.147635][ T10] netlink_unicast+0x449/0x710 [ 8417.147635][ T10] netlink_sendmsg+0x723/0xbe0 [ 8417.147635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8417.147635][ T10] ___sys_sendmsg+0xee/0x170 [ 8417.147635][ T10] __sys_sendmsg+0xcd/0x170 [ 8417.147635][ T10] do_syscall_64+0xc6/0x1e0 [ 8417.147635][ T10] [ 8417.149914][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8417.149914][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8417.149914][ T10] ipv6_find_idev+0x102/0x170 [ 8417.149914][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8417.149914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8417.149914][ T10] netlink_rcv_skb+0x130/0x360 [ 8417.149914][ T10] netlink_unicast+0x449/0x710 [ 8417.149914][ T10] netlink_sendmsg+0x723/0xbe0 [ 8417.149914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8417.149914][ T10] ___sys_sendmsg+0xee/0x170 [ 8417.149914][ T10] __sys_sendmsg+0xcd/0x170 [ 8417.149914][ T10] do_syscall_64+0xc6/0x1e0 [ 8417.149914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8417.149914][ T10] [ 8417.151621][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8417.151621][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8417.151621][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8417.151621][ T10] ipv6_find_idev+0x102/0x170 [ 8417.151621][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8417.151621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8417.151621][ T10] netlink_rcv_skb+0x130/0x360 [ 8417.151621][ T10] netlink_unicast+0x449/0x710 [ 8417.151621][ T10] netlink_sendmsg+0x723/0xbe0 [ 8417.151621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8417.151621][ T10] ___sys_sendmsg+0xee/0x170 [ 8417.151621][ T10] __sys_sendmsg+0xcd/0x170 [ 8417.151621][ T10] do_syscall_64+0xc6/0x1e0 [ 8417.151621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8417.151621][ T10] [ 8417.873095][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8417.873485][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8417.873485][ T1167] dst_init+0x84/0x4a0 [ 8417.873485][ T1167] dst_alloc+0x97/0x150 [ 8417.873485][ T1167] ip6_dst_alloc+0x23/0x90 [ 8417.873485][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8417.873485][ T1167] ip6_pol_route+0x56f/0x840 [ 8417.873485][ T1167] fib6_rule_lookup+0x334/0x630 [ 8417.873485][ T1167] ip6_route_output_flags+0x259/0x480 [ 8417.873485][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8417.873485][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8417.873485][ T1167] netlink_rcv_skb+0x130/0x360 [ 8417.873485][ T1167] netlink_unicast+0x449/0x710 [ 8417.873485][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8417.873485][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8417.873485][ T1167] ___sys_sendmsg+0xee/0x170 [ 8417.873485][ T1167] __sys_sendmsg+0xcd/0x170 [ 8417.873485][ T1167] do_syscall_64+0xc6/0x1e0 [ 8417.873485][ T1167] [ 8417.875701][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8417.875701][ T1167] netdev_get_by_index+0x5e/0x80 [ 8417.875701][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8417.875701][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8417.875701][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8417.875701][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8417.875701][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8417.875701][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8417.875701][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8417.875701][ T1167] addrconf_dad_begin+0x310/0x670 [ 8417.875701][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8417.875701][ T1167] process_one_work+0x84d/0x18a0 [ 8417.875701][ T1167] worker_thread+0x587/0xd30 [ 8417.875701][ T1167] kthread+0x28a/0x350 [ 8417.875701][ T1167] ret_from_fork+0x31/0x70 [ 8417.875701][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8417.875701][ T1167] [ 8417.877855][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8417.877855][ T1167] netdev_get_by_index+0x5e/0x80 [ 8417.877855][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8417.877855][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8417.877855][ T1167] ip6_route_add+0x1c/0x140 [ 8417.877855][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8417.877855][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8417.877855][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8417.877855][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8417.877855][ T1167] netlink_rcv_skb+0x130/0x360 [ 8417.877855][ T1167] netlink_unicast+0x449/0x710 [ 8417.877855][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8417.877855][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8417.877855][ T1167] ___sys_sendmsg+0xee/0x170 [ 8417.877855][ T1167] __sys_sendmsg+0xcd/0x170 [ 8417.877855][ T1167] do_syscall_64+0xc6/0x1e0 [ 8417.877855][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8417.877855][ T1167] [ 8417.880116][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8417.880116][ T1167] netdev_get_by_index+0x5e/0x80 [ 8417.880116][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8417.880116][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8417.880116][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8417.880116][ T1167] ipv6_add_addr+0x411/0x2000 [ 8417.880116][ T1167] inet6_addr_add+0x30e/0xa40 [ 8417.880116][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8417.880116][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8417.880116][ T1167] netlink_rcv_skb+0x130/0x360 [ 8417.880116][ T1167] netlink_unicast+0x449/0x710 [ 8417.880116][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8417.880116][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8417.880116][ T1167] ___sys_sendmsg+0xee/0x170 [ 8417.880116][ T1167] __sys_sendmsg+0xcd/0x170 [ 8417.880116][ T1167] do_syscall_64+0xc6/0x1e0 [ 8417.880116][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8417.880116][ T1167] [ 8417.882378][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8417.882378][ T1167] netdev_get_by_index+0x5e/0x80 [ 8417.882378][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8417.882378][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8417.882378][ T1167] ip6_route_add+0x1c/0x140 [ 8417.882378][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8417.882378][ T1167] addrconf_add_dev+0xe2/0x170 [ 8417.882378][ T1167] inet6_addr_add+0x12f/0xa40 [ 8417.882378][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8417.882378][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8417.882378][ T1167] netlink_rcv_skb+0x130/0x360 [ 8417.882378][ T1167] netlink_unicast+0x449/0x710 [ 8417.882378][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8417.882378][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8417.882378][ T1167] ___sys_sendmsg+0xee/0x170 [ 8417.882378][ T1167] __sys_sendmsg+0xcd/0x170 [ 8417.882378][ T1167] do_syscall_64+0xc6/0x1e0 [ 8417.882378][ T1167] [ 8417.884604][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8417.884604][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8417.884604][ T1167] ipv6_find_idev+0x102/0x170 [ 8417.884604][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8417.884604][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8417.884604][ T1167] netlink_rcv_skb+0x130/0x360 [ 8417.884604][ T1167] netlink_unicast+0x449/0x710 [ 8417.884604][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8417.884604][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8417.884604][ T1167] ___sys_sendmsg+0xee/0x170 [ 8417.884604][ T1167] __sys_sendmsg+0xcd/0x170 [ 8417.884604][ T1167] do_syscall_64+0xc6/0x1e0 [ 8417.884604][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8417.884604][ T1167] [ 8417.886335][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8417.886335][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8417.886335][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8417.886335][ T1167] ipv6_find_idev+0x102/0x170 [ 8417.886335][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8417.886335][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8417.886335][ T1167] netlink_rcv_skb+0x130/0x360 [ 8417.886335][ T1167] netlink_unicast+0x449/0x710 [ 8417.886335][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8417.886335][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8417.886335][ T1167] ___sys_sendmsg+0xee/0x170 [ 8417.886335][ T1167] __sys_sendmsg+0xcd/0x170 [ 8417.886335][ T1167] do_syscall_64+0xc6/0x1e0 [ 8417.886335][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8417.886335][ T1167] [ 8427.409043][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8427.409457][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8427.409457][ T10] netdev_get_by_index+0x5e/0x80 [ 8427.409457][ T10] fib6_nh_init+0x3d8/0x1580 [ 8427.409457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8427.409457][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8427.409457][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8427.409457][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8427.409457][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8427.409457][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8427.409457][ T10] addrconf_dad_begin+0x310/0x670 [ 8427.409457][ T10] addrconf_dad_work+0x10b/0xab0 [ 8427.409457][ T10] process_one_work+0x84d/0x18a0 [ 8427.409457][ T10] worker_thread+0x587/0xd30 [ 8427.409457][ T10] kthread+0x28a/0x350 [ 8427.409457][ T10] ret_from_fork+0x31/0x70 [ 8427.409457][ T10] ret_from_fork_asm+0x1a/0x30 [ 8427.409457][ T10] [ 8427.411530][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8427.411530][ T10] netdev_get_by_index+0x5e/0x80 [ 8427.411530][ T10] fib6_nh_init+0x3d8/0x1580 [ 8427.411530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8427.411530][ T10] ip6_route_add+0x1c/0x140 [ 8427.411530][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8427.411530][ T10] inet6_addr_add+0x4f8/0xa40 [ 8427.411530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8427.411530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8427.411530][ T10] netlink_rcv_skb+0x130/0x360 [ 8427.411530][ T10] netlink_unicast+0x449/0x710 [ 8427.411530][ T10] netlink_sendmsg+0x723/0xbe0 [ 8427.411530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8427.411530][ T10] ___sys_sendmsg+0xee/0x170 [ 8427.411530][ T10] __sys_sendmsg+0xcd/0x170 [ 8427.411530][ T10] do_syscall_64+0xc6/0x1e0 [ 8427.411530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8427.411530][ T10] [ 8427.413607][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8427.413607][ T10] netdev_get_by_index+0x5e/0x80 [ 8427.413607][ T10] fib6_nh_init+0x3d8/0x1580 [ 8427.413607][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8427.413607][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8427.413607][ T10] ipv6_add_addr+0x411/0x2000 [ 8427.413607][ T10] inet6_addr_add+0x30e/0xa40 [ 8427.413607][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8427.413607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8427.413607][ T10] netlink_rcv_skb+0x130/0x360 [ 8427.413607][ T10] netlink_unicast+0x449/0x710 [ 8427.413607][ T10] netlink_sendmsg+0x723/0xbe0 [ 8427.413607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8427.413607][ T10] ___sys_sendmsg+0xee/0x170 [ 8427.413607][ T10] __sys_sendmsg+0xcd/0x170 [ 8427.413607][ T10] do_syscall_64+0xc6/0x1e0 [ 8427.413607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8427.413607][ T10] [ 8427.415674][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8427.415674][ T10] netdev_get_by_index+0x5e/0x80 [ 8427.415674][ T10] fib6_nh_init+0x3d8/0x1580 [ 8427.415674][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8427.415674][ T10] ip6_route_add+0x1c/0x140 [ 8427.415674][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8427.415674][ T10] addrconf_add_dev+0xe2/0x170 [ 8427.415674][ T10] inet6_addr_add+0x12f/0xa40 [ 8427.415674][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8427.415674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8427.415674][ T10] netlink_rcv_skb+0x130/0x360 [ 8427.415674][ T10] netlink_unicast+0x449/0x710 [ 8427.415674][ T10] netlink_sendmsg+0x723/0xbe0 [ 8427.415674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8427.415674][ T10] ___sys_sendmsg+0xee/0x170 [ 8427.415674][ T10] __sys_sendmsg+0xcd/0x170 [ 8427.415674][ T10] do_syscall_64+0xc6/0x1e0 [ 8427.415674][ T10] [ 8427.417714][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8427.417714][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8427.417714][ T10] ipv6_find_idev+0x102/0x170 [ 8427.417714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8427.417714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8427.417714][ T10] netlink_rcv_skb+0x130/0x360 [ 8427.417714][ T10] netlink_unicast+0x449/0x710 [ 8427.417714][ T10] netlink_sendmsg+0x723/0xbe0 [ 8427.417714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8427.417714][ T10] ___sys_sendmsg+0xee/0x170 [ 8427.417714][ T10] __sys_sendmsg+0xcd/0x170 [ 8427.417714][ T10] do_syscall_64+0xc6/0x1e0 [ 8427.417714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8427.417714][ T10] [ 8427.419321][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8427.419321][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8427.419321][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8427.419321][ T10] ipv6_find_idev+0x102/0x170 [ 8427.419321][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8427.419321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8427.419321][ T10] netlink_rcv_skb+0x130/0x360 [ 8427.419321][ T10] netlink_unicast+0x449/0x710 [ 8427.419321][ T10] netlink_sendmsg+0x723/0xbe0 [ 8427.419321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8427.419321][ T10] ___sys_sendmsg+0xee/0x170 [ 8427.419321][ T10] __sys_sendmsg+0xcd/0x170 [ 8427.419321][ T10] do_syscall_64+0xc6/0x1e0 [ 8427.419321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8427.419321][ T10] [ 8427.421067][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8427.421314][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8427.421314][ T10] netdev_get_by_index+0x5e/0x80 [ 8427.421314][ T10] fib6_nh_init+0x3d8/0x1580 [ 8427.421314][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8427.421314][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8427.421314][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8427.421314][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8427.421314][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8427.421314][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8427.421314][ T10] addrconf_dad_begin+0x310/0x670 [ 8427.421314][ T10] addrconf_dad_work+0x10b/0xab0 [ 8427.421314][ T10] process_one_work+0x84d/0x18a0 [ 8427.421314][ T10] worker_thread+0x587/0xd30 [ 8427.421314][ T10] kthread+0x28a/0x350 [ 8427.421314][ T10] ret_from_fork+0x31/0x70 [ 8427.421314][ T10] ret_from_fork_asm+0x1a/0x30 [ 8427.421314][ T10] [ 8427.423297][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8427.423297][ T10] netdev_get_by_index+0x5e/0x80 [ 8427.423297][ T10] fib6_nh_init+0x3d8/0x1580 [ 8427.423297][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8427.423297][ T10] ip6_route_add+0x1c/0x140 [ 8427.423297][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8427.423297][ T10] inet6_addr_add+0x4f8/0xa40 [ 8427.423297][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8427.423297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8427.423297][ T10] netlink_rcv_skb+0x130/0x360 [ 8427.423297][ T10] netlink_unicast+0x449/0x710 [ 8427.423297][ T10] netlink_sendmsg+0x723/0xbe0 [ 8427.423297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8427.423297][ T10] ___sys_sendmsg+0xee/0x170 [ 8427.423297][ T10] __sys_sendmsg+0xcd/0x170 [ 8427.423297][ T10] do_syscall_64+0xc6/0x1e0 [ 8427.423297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8427.423297][ T10] [ 8427.425360][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8427.425360][ T10] netdev_get_by_index+0x5e/0x80 [ 8427.425360][ T10] fib6_nh_init+0x3d8/0x1580 [ 8427.425360][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8427.425360][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8427.425360][ T10] ipv6_add_addr+0x411/0x2000 [ 8427.425360][ T10] inet6_addr_add+0x30e/0xa40 [ 8427.425360][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8427.425360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8427.425360][ T10] netlink_rcv_skb+0x130/0x360 [ 8427.425360][ T10] netlink_unicast+0x449/0x710 [ 8427.425360][ T10] netlink_sendmsg+0x723/0xbe0 [ 8427.425360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8427.425360][ T10] ___sys_sendmsg+0xee/0x170 [ 8427.425360][ T10] __sys_sendmsg+0xcd/0x170 [ 8427.425360][ T10] do_syscall_64+0xc6/0x1e0 [ 8427.425360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8427.425360][ T10] [ 8427.427429][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8427.427429][ T10] netdev_get_by_index+0x5e/0x80 [ 8427.427429][ T10] fib6_nh_init+0x3d8/0x1580 [ 8427.427429][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8427.427429][ T10] ip6_route_add+0x1c/0x140 [ 8427.427429][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8427.427429][ T10] addrconf_add_dev+0xe2/0x170 [ 8427.427429][ T10] inet6_addr_add+0x12f/0xa40 [ 8427.427429][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8427.427429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8427.427429][ T10] netlink_rcv_skb+0x130/0x360 [ 8427.427429][ T10] netlink_unicast+0x449/0x710 [ 8427.427429][ T10] netlink_sendmsg+0x723/0xbe0 [ 8427.427429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8427.427429][ T10] ___sys_sendmsg+0xee/0x170 [ 8427.427429][ T10] __sys_sendmsg+0xcd/0x170 [ 8427.427429][ T10] do_syscall_64+0xc6/0x1e0 [ 8427.427429][ T10] [ 8427.429474][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8427.429474][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8427.429474][ T10] ipv6_find_idev+0x102/0x170 [ 8427.429474][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8427.429474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8427.429474][ T10] netlink_rcv_skb+0x130/0x360 [ 8427.429474][ T10] netlink_unicast+0x449/0x710 [ 8427.429474][ T10] netlink_sendmsg+0x723/0xbe0 [ 8427.429474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8427.429474][ T10] ___sys_sendmsg+0xee/0x170 [ 8427.429474][ T10] __sys_sendmsg+0xcd/0x170 [ 8427.429474][ T10] do_syscall_64+0xc6/0x1e0 [ 8427.429474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8427.429474][ T10] [ 8427.431068][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8427.431068][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8427.431068][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8427.431068][ T10] ipv6_find_idev+0x102/0x170 [ 8427.431068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8427.431068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8427.431068][ T10] netlink_rcv_skb+0x130/0x360 [ 8427.431068][ T10] netlink_unicast+0x449/0x710 [ 8427.431068][ T10] netlink_sendmsg+0x723/0xbe0 [ 8427.431068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8427.431068][ T10] ___sys_sendmsg+0xee/0x170 [ 8427.431068][ T10] __sys_sendmsg+0xcd/0x170 [ 8427.431068][ T10] do_syscall_64+0xc6/0x1e0 [ 8427.431068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8427.431068][ T10] [ 8427.432824][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8427.433083][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8427.433083][ T10] netdev_get_by_index+0x5e/0x80 [ 8427.433083][ T10] fib6_nh_init+0x3d8/0x1580 [ 8427.433083][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8427.433083][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8427.433083][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8427.433083][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8427.433083][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8427.433083][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8427.433083][ T10] addrconf_dad_begin+0x310/0x670 [ 8427.433083][ T10] addrconf_dad_work+0x10b/0xab0 [ 8427.433083][ T10] process_one_work+0x84d/0x18a0 [ 8427.433083][ T10] worker_thread+0x587/0xd30 [ 8427.433083][ T10] kthread+0x28a/0x350 [ 8427.433083][ T10] ret_from_fork+0x31/0x70 [ 8427.433083][ T10] ret_from_fork_asm+0x1a/0x30 [ 8427.433083][ T10] [ 8427.435059][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8427.435059][ T10] netdev_get_by_index+0x5e/0x80 [ 8427.435059][ T10] fib6_nh_init+0x3d8/0x1580 [ 8427.435059][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8427.435059][ T10] ip6_route_add+0x1c/0x140 [ 8427.435059][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8427.435059][ T10] inet6_addr_add+0x4f8/0xa40 [ 8427.435059][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8427.435059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8427.435059][ T10] netlink_rcv_skb+0x130/0x360 [ 8427.435059][ T10] netlink_unicast+0x449/0x710 [ 8427.435059][ T10] netlink_sendmsg+0x723/0xbe0 [ 8427.435059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8427.435059][ T10] ___sys_sendmsg+0xee/0x170 [ 8427.435059][ T10] __sys_sendmsg+0xcd/0x170 [ 8427.435059][ T10] do_syscall_64+0xc6/0x1e0 [ 8427.435059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8427.435059][ T10] [ 8427.437341][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8427.437341][ T10] netdev_get_by_index+0x5e/0x80 [ 8427.437341][ T10] fib6_nh_init+0x3d8/0x1580 [ 8427.437341][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8427.437341][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8427.437341][ T10] ipv6_add_addr+0x411/0x2000 [ 8427.437341][ T10] inet6_addr_add+0x30e/0xa40 [ 8427.437341][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8427.437341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8427.437341][ T10] netlink_rcv_skb+0x130/0x360 [ 8427.437341][ T10] netlink_unicast+0x449/0x710 [ 8427.437341][ T10] netlink_sendmsg+0x723/0xbe0 [ 8427.437341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8427.437341][ T10] ___sys_sendmsg+0xee/0x170 [ 8427.437341][ T10] __sys_sendmsg+0xcd/0x170 [ 8427.437341][ T10] do_syscall_64+0xc6/0x1e0 [ 8427.437341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8427.437341][ T10] [ 8427.439539][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8427.439539][ T10] netdev_get_by_index+0x5e/0x80 [ 8427.439539][ T10] fib6_nh_init+0x3d8/0x1580 [ 8427.439539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8427.439539][ T10] ip6_route_add+0x1c/0x140 [ 8427.439539][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8427.439539][ T10] addrconf_add_dev+0xe2/0x170 [ 8427.439539][ T10] inet6_addr_add+0x12f/0xa40 [ 8427.439539][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8427.439539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8427.439539][ T10] netlink_rcv_skb+0x130/0x360 [ 8427.439539][ T10] netlink_unicast+0x449/0x710 [ 8427.439539][ T10] netlink_sendmsg+0x723/0xbe0 [ 8427.439539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8427.439539][ T10] ___sys_sendmsg+0xee/0x170 [ 8427.439539][ T10] __sys_sendmsg+0xcd/0x170 [ 8427.439539][ T10] do_syscall_64+0xc6/0x1e0 [ 8427.439539][ T10] [ 8427.441625][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8427.441625][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8427.441625][ T10] ipv6_find_idev+0x102/0x170 [ 8427.441625][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8427.441625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8427.441625][ T10] netlink_rcv_skb+0x130/0x360 [ 8427.441625][ T10] netlink_unicast+0x449/0x710 [ 8427.441625][ T10] netlink_sendmsg+0x723/0xbe0 [ 8427.441625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8427.441625][ T10] ___sys_sendmsg+0xee/0x170 [ 8427.441625][ T10] __sys_sendmsg+0xcd/0x170 [ 8427.441625][ T10] do_syscall_64+0xc6/0x1e0 [ 8427.441625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8427.441625][ T10] [ 8427.443340][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8427.443340][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8427.443340][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8427.443340][ T10] ipv6_find_idev+0x102/0x170 [ 8427.443340][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8427.443340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8427.443340][ T10] netlink_rcv_skb+0x130/0x360 [ 8427.443340][ T10] netlink_unicast+0x449/0x710 [ 8427.443340][ T10] netlink_sendmsg+0x723/0xbe0 [ 8427.443340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8427.443340][ T10] ___sys_sendmsg+0xee/0x170 [ 8427.443340][ T10] __sys_sendmsg+0xcd/0x170 [ 8427.443340][ T10] do_syscall_64+0xc6/0x1e0 [ 8427.443340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8427.443340][ T10] [ 8427.445140][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8427.445385][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8427.445385][ T10] netdev_get_by_index+0x5e/0x80 [ 8427.445385][ T10] fib6_nh_init+0x3d8/0x1580 [ 8427.445385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8427.445385][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8427.445385][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8427.445385][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8427.445385][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8427.445385][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8427.445385][ T10] addrconf_dad_begin+0x310/0x670 [ 8427.445385][ T10] addrconf_dad_work+0x10b/0xab0 [ 8427.445385][ T10] process_one_work+0x84d/0x18a0 [ 8427.445385][ T10] worker_thread+0x587/0xd30 [ 8427.445385][ T10] kthread+0x28a/0x350 [ 8427.445385][ T10] ret_from_fork+0x31/0x70 [ 8427.445385][ T10] ret_from_fork_asm+0x1a/0x30 [ 8427.445385][ T10] [ 8427.447571][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8427.447571][ T10] netdev_get_by_index+0x5e/0x80 [ 8427.447571][ T10] fib6_nh_init+0x3d8/0x1580 [ 8427.447571][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8427.447571][ T10] ip6_route_add+0x1c/0x140 [ 8427.447571][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8427.447571][ T10] inet6_addr_add+0x4f8/0xa40 [ 8427.447571][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8427.447571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8427.447571][ T10] netlink_rcv_skb+0x130/0x360 [ 8427.447571][ T10] netlink_unicast+0x449/0x710 [ 8427.447571][ T10] netlink_sendmsg+0x723/0xbe0 [ 8427.447571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8427.447571][ T10] ___sys_sendmsg+0xee/0x170 [ 8427.447571][ T10] __sys_sendmsg+0xcd/0x170 [ 8427.447571][ T10] do_syscall_64+0xc6/0x1e0 [ 8427.447571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8427.447571][ T10] [ 8427.449710][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8427.449710][ T10] netdev_get_by_index+0x5e/0x80 [ 8427.449710][ T10] fib6_nh_init+0x3d8/0x1580 [ 8427.449710][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8427.449710][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8427.449710][ T10] ipv6_add_addr+0x411/0x2000 [ 8427.449710][ T10] inet6_addr_add+0x30e/0xa40 [ 8427.449710][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8427.449710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8427.449710][ T10] netlink_rcv_skb+0x130/0x360 [ 8427.449710][ T10] netlink_unicast+0x449/0x710 [ 8427.449710][ T10] netlink_sendmsg+0x723/0xbe0 [ 8427.449710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8427.449710][ T10] ___sys_sendmsg+0xee/0x170 [ 8427.449710][ T10] __sys_sendmsg+0xcd/0x170 [ 8427.449710][ T10] do_syscall_64+0xc6/0x1e0 [ 8427.449710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8427.449710][ T10] [ 8427.451906][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8427.451906][ T10] netdev_get_by_index+0x5e/0x80 [ 8427.451906][ T10] fib6_nh_init+0x3d8/0x1580 [ 8427.451906][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8427.451906][ T10] ip6_route_add+0x1c/0x140 [ 8427.451906][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8427.451906][ T10] addrconf_add_dev+0xe2/0x170 [ 8427.451906][ T10] inet6_addr_add+0x12f/0xa40 [ 8427.451906][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8427.451906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8427.451906][ T10] netlink_rcv_skb+0x130/0x360 [ 8427.451906][ T10] netlink_unicast+0x449/0x710 [ 8427.451906][ T10] netlink_sendmsg+0x723/0xbe0 [ 8427.451906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8427.451906][ T10] ___sys_sendmsg+0xee/0x170 [ 8427.451906][ T10] __sys_sendmsg+0xcd/0x170 [ 8427.451906][ T10] do_syscall_64+0xc6/0x1e0 [ 8427.451906][ T10] [ 8427.454075][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8427.454075][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8427.454075][ T10] ipv6_find_idev+0x102/0x170 [ 8427.454075][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8427.454075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8427.454075][ T10] netlink_rcv_skb+0x130/0x360 [ 8427.454075][ T10] netlink_unicast+0x449/0x710 [ 8427.454075][ T10] netlink_sendmsg+0x723/0xbe0 [ 8427.454075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8427.454075][ T10] ___sys_sendmsg+0xee/0x170 [ 8427.454075][ T10] __sys_sendmsg+0xcd/0x170 [ 8427.454075][ T10] do_syscall_64+0xc6/0x1e0 [ 8427.454075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8427.454075][ T10] [ 8427.455795][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8427.455795][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8427.455795][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8427.455795][ T10] ipv6_find_idev+0x102/0x170 [ 8427.455795][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8427.455795][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8427.455795][ T10] netlink_rcv_skb+0x130/0x360 [ 8427.455795][ T10] netlink_unicast+0x449/0x710 [ 8427.455795][ T10] netlink_sendmsg+0x723/0xbe0 [ 8427.455795][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8427.455795][ T10] ___sys_sendmsg+0xee/0x170 [ 8427.455795][ T10] __sys_sendmsg+0xcd/0x170 [ 8427.455795][ T10] do_syscall_64+0xc6/0x1e0 [ 8427.455795][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8427.455795][ T10] [ 8427.921100][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8427.921555][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8427.921555][ T1167] dst_init+0x84/0x4a0 [ 8427.921555][ T1167] dst_alloc+0x97/0x150 [ 8427.921555][ T1167] ip6_dst_alloc+0x23/0x90 [ 8427.921555][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8427.921555][ T1167] ip6_pol_route+0x56f/0x840 [ 8427.921555][ T1167] fib6_rule_lookup+0x334/0x630 [ 8427.921555][ T1167] ip6_route_output_flags+0x259/0x480 [ 8427.921555][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8427.921555][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8427.921555][ T1167] netlink_rcv_skb+0x130/0x360 [ 8427.921555][ T1167] netlink_unicast+0x449/0x710 [ 8427.921555][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8427.921555][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8427.921555][ T1167] ___sys_sendmsg+0xee/0x170 [ 8427.921555][ T1167] __sys_sendmsg+0xcd/0x170 [ 8427.921555][ T1167] do_syscall_64+0xc6/0x1e0 [ 8427.921555][ T1167] [ 8427.923852][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8427.923852][ T1167] netdev_get_by_index+0x5e/0x80 [ 8427.923852][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8427.923852][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8427.923852][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8427.923852][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8427.923852][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8427.923852][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8427.923852][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8427.923852][ T1167] addrconf_dad_begin+0x310/0x670 [ 8427.923852][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8427.923852][ T1167] process_one_work+0x84d/0x18a0 [ 8427.923852][ T1167] worker_thread+0x587/0xd30 [ 8427.923852][ T1167] kthread+0x28a/0x350 [ 8427.923852][ T1167] ret_from_fork+0x31/0x70 [ 8427.923852][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8427.923852][ T1167] [ 8427.926088][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8427.926088][ T1167] netdev_get_by_index+0x5e/0x80 [ 8427.926088][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8427.926088][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8427.926088][ T1167] ip6_route_add+0x1c/0x140 [ 8427.926088][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8427.926088][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8427.926088][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8427.926088][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8427.926088][ T1167] netlink_rcv_skb+0x130/0x360 [ 8427.926088][ T1167] netlink_unicast+0x449/0x710 [ 8427.926088][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8427.926088][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8427.926088][ T1167] ___sys_sendmsg+0xee/0x170 [ 8427.926088][ T1167] __sys_sendmsg+0xcd/0x170 [ 8427.926088][ T1167] do_syscall_64+0xc6/0x1e0 [ 8427.926088][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8427.926088][ T1167] [ 8427.928432][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8427.928432][ T1167] netdev_get_by_index+0x5e/0x80 [ 8427.928432][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8427.928432][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8427.928432][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8427.928432][ T1167] ipv6_add_addr+0x411/0x2000 [ 8427.928432][ T1167] inet6_addr_add+0x30e/0xa40 [ 8427.928432][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8427.928432][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8427.928432][ T1167] netlink_rcv_skb+0x130/0x360 [ 8427.928432][ T1167] netlink_unicast+0x449/0x710 [ 8427.928432][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8427.928432][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8427.928432][ T1167] ___sys_sendmsg+0xee/0x170 [ 8427.928432][ T1167] __sys_sendmsg+0xcd/0x170 [ 8427.928432][ T1167] do_syscall_64+0xc6/0x1e0 [ 8427.928432][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8427.928432][ T1167] [ 8427.930809][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8427.930809][ T1167] netdev_get_by_index+0x5e/0x80 [ 8427.930809][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8427.930809][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8427.930809][ T1167] ip6_route_add+0x1c/0x140 [ 8427.930809][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8427.930809][ T1167] addrconf_add_dev+0xe2/0x170 [ 8427.930809][ T1167] inet6_addr_add+0x12f/0xa40 [ 8427.930809][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8427.930809][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8427.930809][ T1167] netlink_rcv_skb+0x130/0x360 [ 8427.930809][ T1167] netlink_unicast+0x449/0x710 [ 8427.930809][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8427.930809][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8427.930809][ T1167] ___sys_sendmsg+0xee/0x170 [ 8427.930809][ T1167] __sys_sendmsg+0xcd/0x170 [ 8427.930809][ T1167] do_syscall_64+0xc6/0x1e0 [ 8427.930809][ T1167] [ 8427.933103][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8427.933103][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8427.933103][ T1167] ipv6_find_idev+0x102/0x170 [ 8427.933103][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8427.933103][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8427.933103][ T1167] netlink_rcv_skb+0x130/0x360 [ 8427.933103][ T1167] netlink_unicast+0x449/0x710 [ 8427.933103][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8427.933103][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8427.933103][ T1167] ___sys_sendmsg+0xee/0x170 [ 8427.933103][ T1167] __sys_sendmsg+0xcd/0x170 [ 8427.933103][ T1167] do_syscall_64+0xc6/0x1e0 [ 8427.933103][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8427.933103][ T1167] [ 8427.934902][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8427.934902][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8427.934902][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8427.934902][ T1167] ipv6_find_idev+0x102/0x170 [ 8427.934902][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8427.934902][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8427.934902][ T1167] netlink_rcv_skb+0x130/0x360 [ 8427.934902][ T1167] netlink_unicast+0x449/0x710 [ 8427.934902][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8427.934902][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8427.934902][ T1167] ___sys_sendmsg+0xee/0x170 [ 8427.934902][ T1167] __sys_sendmsg+0xcd/0x170 [ 8427.934902][ T1167] do_syscall_64+0xc6/0x1e0 [ 8427.934902][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8427.934902][ T1167] [ 8437.713102][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8437.713528][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8437.713528][ T10] netdev_get_by_index+0x5e/0x80 [ 8437.713528][ T10] fib6_nh_init+0x3d8/0x1580 [ 8437.713528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8437.713528][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8437.713528][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8437.713528][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8437.713528][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8437.713528][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8437.713528][ T10] addrconf_dad_begin+0x310/0x670 [ 8437.713528][ T10] addrconf_dad_work+0x10b/0xab0 [ 8437.713528][ T10] process_one_work+0x84d/0x18a0 [ 8437.713528][ T10] worker_thread+0x587/0xd30 [ 8437.713528][ T10] kthread+0x28a/0x350 [ 8437.713528][ T10] ret_from_fork+0x31/0x70 [ 8437.713528][ T10] ret_from_fork_asm+0x1a/0x30 [ 8437.713528][ T10] [ 8437.715538][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8437.715538][ T10] netdev_get_by_index+0x5e/0x80 [ 8437.715538][ T10] fib6_nh_init+0x3d8/0x1580 [ 8437.715538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8437.715538][ T10] ip6_route_add+0x1c/0x140 [ 8437.715538][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8437.715538][ T10] inet6_addr_add+0x4f8/0xa40 [ 8437.715538][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8437.715538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8437.715538][ T10] netlink_rcv_skb+0x130/0x360 [ 8437.715538][ T10] netlink_unicast+0x449/0x710 [ 8437.715538][ T10] netlink_sendmsg+0x723/0xbe0 [ 8437.715538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8437.715538][ T10] ___sys_sendmsg+0xee/0x170 [ 8437.715538][ T10] __sys_sendmsg+0xcd/0x170 [ 8437.715538][ T10] do_syscall_64+0xc6/0x1e0 [ 8437.715538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8437.715538][ T10] [ 8437.717627][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8437.717627][ T10] netdev_get_by_index+0x5e/0x80 [ 8437.717627][ T10] fib6_nh_init+0x3d8/0x1580 [ 8437.717627][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8437.717627][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8437.717627][ T10] ipv6_add_addr+0x411/0x2000 [ 8437.717627][ T10] inet6_addr_add+0x30e/0xa40 [ 8437.717627][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8437.717627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8437.717627][ T10] netlink_rcv_skb+0x130/0x360 [ 8437.717627][ T10] netlink_unicast+0x449/0x710 [ 8437.717627][ T10] netlink_sendmsg+0x723/0xbe0 [ 8437.717627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8437.717627][ T10] ___sys_sendmsg+0xee/0x170 [ 8437.717627][ T10] __sys_sendmsg+0xcd/0x170 [ 8437.717627][ T10] do_syscall_64+0xc6/0x1e0 [ 8437.717627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8437.717627][ T10] [ 8437.719710][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8437.719710][ T10] netdev_get_by_index+0x5e/0x80 [ 8437.719710][ T10] fib6_nh_init+0x3d8/0x1580 [ 8437.719710][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8437.719710][ T10] ip6_route_add+0x1c/0x140 [ 8437.719710][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8437.719710][ T10] addrconf_add_dev+0xe2/0x170 [ 8437.719710][ T10] inet6_addr_add+0x12f/0xa40 [ 8437.719710][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8437.719710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8437.719710][ T10] netlink_rcv_skb+0x130/0x360 [ 8437.719710][ T10] netlink_unicast+0x449/0x710 [ 8437.719710][ T10] netlink_sendmsg+0x723/0xbe0 [ 8437.719710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8437.719710][ T10] ___sys_sendmsg+0xee/0x170 [ 8437.719710][ T10] __sys_sendmsg+0xcd/0x170 [ 8437.719710][ T10] do_syscall_64+0xc6/0x1e0 [ 8437.719710][ T10] [ 8437.721758][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8437.721758][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8437.721758][ T10] ipv6_find_idev+0x102/0x170 [ 8437.721758][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8437.721758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8437.721758][ T10] netlink_rcv_skb+0x130/0x360 [ 8437.721758][ T10] netlink_unicast+0x449/0x710 [ 8437.721758][ T10] netlink_sendmsg+0x723/0xbe0 [ 8437.721758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8437.721758][ T10] ___sys_sendmsg+0xee/0x170 [ 8437.721758][ T10] __sys_sendmsg+0xcd/0x170 [ 8437.721758][ T10] do_syscall_64+0xc6/0x1e0 [ 8437.721758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8437.721758][ T10] [ 8437.723362][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8437.723362][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8437.723362][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8437.723362][ T10] ipv6_find_idev+0x102/0x170 [ 8437.723362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8437.723362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8437.723362][ T10] netlink_rcv_skb+0x130/0x360 [ 8437.723362][ T10] netlink_unicast+0x449/0x710 [ 8437.723362][ T10] netlink_sendmsg+0x723/0xbe0 [ 8437.723362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8437.723362][ T10] ___sys_sendmsg+0xee/0x170 [ 8437.723362][ T10] __sys_sendmsg+0xcd/0x170 [ 8437.723362][ T10] do_syscall_64+0xc6/0x1e0 [ 8437.723362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8437.723362][ T10] [ 8437.725114][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8437.725372][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8437.725372][ T10] netdev_get_by_index+0x5e/0x80 [ 8437.725372][ T10] fib6_nh_init+0x3d8/0x1580 [ 8437.725372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8437.725372][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8437.725372][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8437.725372][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8437.725372][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8437.725372][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8437.725372][ T10] addrconf_dad_begin+0x310/0x670 [ 8437.725372][ T10] addrconf_dad_work+0x10b/0xab0 [ 8437.725372][ T10] process_one_work+0x84d/0x18a0 [ 8437.725372][ T10] worker_thread+0x587/0xd30 [ 8437.725372][ T10] kthread+0x28a/0x350 [ 8437.725372][ T10] ret_from_fork+0x31/0x70 [ 8437.725372][ T10] ret_from_fork_asm+0x1a/0x30 [ 8437.725372][ T10] [ 8437.727355][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8437.727355][ T10] netdev_get_by_index+0x5e/0x80 [ 8437.727355][ T10] fib6_nh_init+0x3d8/0x1580 [ 8437.727355][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8437.727355][ T10] ip6_route_add+0x1c/0x140 [ 8437.727355][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8437.727355][ T10] inet6_addr_add+0x4f8/0xa40 [ 8437.727355][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8437.727355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8437.727355][ T10] netlink_rcv_skb+0x130/0x360 [ 8437.727355][ T10] netlink_unicast+0x449/0x710 [ 8437.727355][ T10] netlink_sendmsg+0x723/0xbe0 [ 8437.727355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8437.727355][ T10] ___sys_sendmsg+0xee/0x170 [ 8437.727355][ T10] __sys_sendmsg+0xcd/0x170 [ 8437.727355][ T10] do_syscall_64+0xc6/0x1e0 [ 8437.727355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8437.727355][ T10] [ 8437.729432][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8437.729432][ T10] netdev_get_by_index+0x5e/0x80 [ 8437.729432][ T10] fib6_nh_init+0x3d8/0x1580 [ 8437.729432][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8437.729432][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8437.729432][ T10] ipv6_add_addr+0x411/0x2000 [ 8437.729432][ T10] inet6_addr_add+0x30e/0xa40 [ 8437.729432][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8437.729432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8437.729432][ T10] netlink_rcv_skb+0x130/0x360 [ 8437.729432][ T10] netlink_unicast+0x449/0x710 [ 8437.729432][ T10] netlink_sendmsg+0x723/0xbe0 [ 8437.729432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8437.729432][ T10] ___sys_sendmsg+0xee/0x170 [ 8437.729432][ T10] __sys_sendmsg+0xcd/0x170 [ 8437.729432][ T10] do_syscall_64+0xc6/0x1e0 [ 8437.729432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8437.729432][ T10] [ 8437.731507][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8437.731507][ T10] netdev_get_by_index+0x5e/0x80 [ 8437.731507][ T10] fib6_nh_init+0x3d8/0x1580 [ 8437.731507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8437.731507][ T10] ip6_route_add+0x1c/0x140 [ 8437.731507][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8437.731507][ T10] addrconf_add_dev+0xe2/0x170 [ 8437.731507][ T10] inet6_addr_add+0x12f/0xa40 [ 8437.731507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8437.731507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8437.731507][ T10] netlink_rcv_skb+0x130/0x360 [ 8437.731507][ T10] netlink_unicast+0x449/0x710 [ 8437.731507][ T10] netlink_sendmsg+0x723/0xbe0 [ 8437.731507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8437.731507][ T10] ___sys_sendmsg+0xee/0x170 [ 8437.731507][ T10] __sys_sendmsg+0xcd/0x170 [ 8437.731507][ T10] do_syscall_64+0xc6/0x1e0 [ 8437.731507][ T10] [ 8437.733541][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8437.733541][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8437.733541][ T10] ipv6_find_idev+0x102/0x170 [ 8437.733541][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8437.733541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8437.733541][ T10] netlink_rcv_skb+0x130/0x360 [ 8437.733541][ T10] netlink_unicast+0x449/0x710 [ 8437.733541][ T10] netlink_sendmsg+0x723/0xbe0 [ 8437.733541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8437.733541][ T10] ___sys_sendmsg+0xee/0x170 [ 8437.733541][ T10] __sys_sendmsg+0xcd/0x170 [ 8437.733541][ T10] do_syscall_64+0xc6/0x1e0 [ 8437.733541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8437.733541][ T10] [ 8437.735130][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8437.735130][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8437.735130][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8437.735130][ T10] ipv6_find_idev+0x102/0x170 [ 8437.735130][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8437.735130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8437.735130][ T10] netlink_rcv_skb+0x130/0x360 [ 8437.735130][ T10] netlink_unicast+0x449/0x710 [ 8437.735130][ T10] netlink_sendmsg+0x723/0xbe0 [ 8437.735130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8437.735130][ T10] ___sys_sendmsg+0xee/0x170 [ 8437.735130][ T10] __sys_sendmsg+0xcd/0x170 [ 8437.735130][ T10] do_syscall_64+0xc6/0x1e0 [ 8437.735130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8437.735130][ T10] [ 8437.736872][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8437.737124][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8437.737124][ T10] netdev_get_by_index+0x5e/0x80 [ 8437.737124][ T10] fib6_nh_init+0x3d8/0x1580 [ 8437.737124][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8437.737124][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8437.737124][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8437.737124][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8437.737124][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8437.737124][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8437.737124][ T10] addrconf_dad_begin+0x310/0x670 [ 8437.737124][ T10] addrconf_dad_work+0x10b/0xab0 [ 8437.737124][ T10] process_one_work+0x84d/0x18a0 [ 8437.737124][ T10] worker_thread+0x587/0xd30 [ 8437.737124][ T10] kthread+0x28a/0x350 [ 8437.737124][ T10] ret_from_fork+0x31/0x70 [ 8437.737124][ T10] ret_from_fork_asm+0x1a/0x30 [ 8437.737124][ T10] [ 8437.739112][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8437.739112][ T10] netdev_get_by_index+0x5e/0x80 [ 8437.739112][ T10] fib6_nh_init+0x3d8/0x1580 [ 8437.739112][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8437.739112][ T10] ip6_route_add+0x1c/0x140 [ 8437.739112][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8437.739112][ T10] inet6_addr_add+0x4f8/0xa40 [ 8437.739112][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8437.739112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8437.739112][ T10] netlink_rcv_skb+0x130/0x360 [ 8437.739112][ T10] netlink_unicast+0x449/0x710 [ 8437.739112][ T10] netlink_sendmsg+0x723/0xbe0 [ 8437.739112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8437.739112][ T10] ___sys_sendmsg+0xee/0x170 [ 8437.739112][ T10] __sys_sendmsg+0xcd/0x170 [ 8437.739112][ T10] do_syscall_64+0xc6/0x1e0 [ 8437.739112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8437.739112][ T10] [ 8437.741425][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8437.741425][ T10] netdev_get_by_index+0x5e/0x80 [ 8437.741425][ T10] fib6_nh_init+0x3d8/0x1580 [ 8437.741425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8437.741425][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8437.741425][ T10] ipv6_add_addr+0x411/0x2000 [ 8437.741425][ T10] inet6_addr_add+0x30e/0xa40 [ 8437.741425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8437.741425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8437.741425][ T10] netlink_rcv_skb+0x130/0x360 [ 8437.741425][ T10] netlink_unicast+0x449/0x710 [ 8437.741425][ T10] netlink_sendmsg+0x723/0xbe0 [ 8437.741425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8437.741425][ T10] ___sys_sendmsg+0xee/0x170 [ 8437.741425][ T10] __sys_sendmsg+0xcd/0x170 [ 8437.741425][ T10] do_syscall_64+0xc6/0x1e0 [ 8437.741425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8437.741425][ T10] [ 8437.743748][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8437.743748][ T10] netdev_get_by_index+0x5e/0x80 [ 8437.743748][ T10] fib6_nh_init+0x3d8/0x1580 [ 8437.743748][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8437.743748][ T10] ip6_route_add+0x1c/0x140 [ 8437.743748][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8437.743748][ T10] addrconf_add_dev+0xe2/0x170 [ 8437.743748][ T10] inet6_addr_add+0x12f/0xa40 [ 8437.743748][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8437.743748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8437.743748][ T10] netlink_rcv_skb+0x130/0x360 [ 8437.743748][ T10] netlink_unicast+0x449/0x710 [ 8437.743748][ T10] netlink_sendmsg+0x723/0xbe0 [ 8437.743748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8437.743748][ T10] ___sys_sendmsg+0xee/0x170 [ 8437.743748][ T10] __sys_sendmsg+0xcd/0x170 [ 8437.743748][ T10] do_syscall_64+0xc6/0x1e0 [ 8437.743748][ T10] [ 8437.745964][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8437.745964][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8437.745964][ T10] ipv6_find_idev+0x102/0x170 [ 8437.745964][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8437.745964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8437.745964][ T10] netlink_rcv_skb+0x130/0x360 [ 8437.745964][ T10] netlink_unicast+0x449/0x710 [ 8437.745964][ T10] netlink_sendmsg+0x723/0xbe0 [ 8437.745964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8437.745964][ T10] ___sys_sendmsg+0xee/0x170 [ 8437.745964][ T10] __sys_sendmsg+0xcd/0x170 [ 8437.745964][ T10] do_syscall_64+0xc6/0x1e0 [ 8437.745964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8437.745964][ T10] [ 8437.747741][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8437.747741][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8437.747741][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8437.747741][ T10] ipv6_find_idev+0x102/0x170 [ 8437.747741][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8437.747741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8437.747741][ T10] netlink_rcv_skb+0x130/0x360 [ 8437.747741][ T10] netlink_unicast+0x449/0x710 [ 8437.747741][ T10] netlink_sendmsg+0x723/0xbe0 [ 8437.747741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8437.747741][ T10] ___sys_sendmsg+0xee/0x170 [ 8437.747741][ T10] __sys_sendmsg+0xcd/0x170 [ 8437.747741][ T10] do_syscall_64+0xc6/0x1e0 [ 8437.747741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8437.747741][ T10] [ 8437.749838][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8437.750511][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8437.750511][ T10] netdev_get_by_index+0x5e/0x80 [ 8437.750511][ T10] fib6_nh_init+0x3d8/0x1580 [ 8437.750511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8437.750511][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8437.750511][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8437.750511][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8437.750511][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8437.750511][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8437.750511][ T10] addrconf_dad_begin+0x310/0x670 [ 8437.750511][ T10] addrconf_dad_work+0x10b/0xab0 [ 8437.750511][ T10] process_one_work+0x84d/0x18a0 [ 8437.750511][ T10] worker_thread+0x587/0xd30 [ 8437.750511][ T10] kthread+0x28a/0x350 [ 8437.750511][ T10] ret_from_fork+0x31/0x70 [ 8437.750511][ T10] ret_from_fork_asm+0x1a/0x30 [ 8437.750511][ T10] [ 8437.752421][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8437.752421][ T10] netdev_get_by_index+0x5e/0x80 [ 8437.752421][ T10] fib6_nh_init+0x3d8/0x1580 [ 8437.752421][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8437.752421][ T10] ip6_route_add+0x1c/0x140 [ 8437.752421][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8437.752421][ T10] inet6_addr_add+0x4f8/0xa40 [ 8437.752421][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8437.752421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8437.752421][ T10] netlink_rcv_skb+0x130/0x360 [ 8437.752421][ T10] netlink_unicast+0x449/0x710 [ 8437.752421][ T10] netlink_sendmsg+0x723/0xbe0 [ 8437.752421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8437.752421][ T10] ___sys_sendmsg+0xee/0x170 [ 8437.752421][ T10] __sys_sendmsg+0xcd/0x170 [ 8437.752421][ T10] do_syscall_64+0xc6/0x1e0 [ 8437.752421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8437.752421][ T10] [ 8437.754549][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8437.754549][ T10] netdev_get_by_index+0x5e/0x80 [ 8437.754549][ T10] fib6_nh_init+0x3d8/0x1580 [ 8437.754549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8437.754549][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8437.754549][ T10] ipv6_add_addr+0x411/0x2000 [ 8437.754549][ T10] inet6_addr_add+0x30e/0xa40 [ 8437.754549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8437.754549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8437.754549][ T10] netlink_rcv_skb+0x130/0x360 [ 8437.754549][ T10] netlink_unicast+0x449/0x710 [ 8437.754549][ T10] netlink_sendmsg+0x723/0xbe0 [ 8437.754549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8437.754549][ T10] ___sys_sendmsg+0xee/0x170 [ 8437.754549][ T10] __sys_sendmsg+0xcd/0x170 [ 8437.754549][ T10] do_syscall_64+0xc6/0x1e0 [ 8437.754549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8437.754549][ T10] [ 8437.756860][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8437.756860][ T10] netdev_get_by_index+0x5e/0x80 [ 8437.756860][ T10] fib6_nh_init+0x3d8/0x1580 [ 8437.756860][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8437.756860][ T10] ip6_route_add+0x1c/0x140 [ 8437.756860][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8437.756860][ T10] addrconf_add_dev+0xe2/0x170 [ 8437.756860][ T10] inet6_addr_add+0x12f/0xa40 [ 8437.756860][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8437.756860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8437.756860][ T10] netlink_rcv_skb+0x130/0x360 [ 8437.756860][ T10] netlink_unicast+0x449/0x710 [ 8437.756860][ T10] netlink_sendmsg+0x723/0xbe0 [ 8437.756860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8437.756860][ T10] ___sys_sendmsg+0xee/0x170 [ 8437.756860][ T10] __sys_sendmsg+0xcd/0x170 [ 8437.756860][ T10] do_syscall_64+0xc6/0x1e0 [ 8437.756860][ T10] [ 8437.759139][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8437.759139][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8437.759139][ T10] ipv6_find_idev+0x102/0x170 [ 8437.759139][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8437.759139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8437.759139][ T10] netlink_rcv_skb+0x130/0x360 [ 8437.759139][ T10] netlink_unicast+0x449/0x710 [ 8437.759139][ T10] netlink_sendmsg+0x723/0xbe0 [ 8437.759139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8437.759139][ T10] ___sys_sendmsg+0xee/0x170 [ 8437.759139][ T10] __sys_sendmsg+0xcd/0x170 [ 8437.759139][ T10] do_syscall_64+0xc6/0x1e0 [ 8437.759139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8437.759139][ T10] [ 8437.760913][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8437.760913][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8437.760913][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8437.760913][ T10] ipv6_find_idev+0x102/0x170 [ 8437.760913][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8437.760913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8437.760913][ T10] netlink_rcv_skb+0x130/0x360 [ 8437.760913][ T10] netlink_unicast+0x449/0x710 [ 8437.760913][ T10] netlink_sendmsg+0x723/0xbe0 [ 8437.760913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8437.760913][ T10] ___sys_sendmsg+0xee/0x170 [ 8437.760913][ T10] __sys_sendmsg+0xcd/0x170 [ 8437.760913][ T10] do_syscall_64+0xc6/0x1e0 [ 8437.760913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8437.760913][ T10] [ 8438.177098][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8438.177540][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8438.177540][ T1167] dst_init+0x84/0x4a0 [ 8438.177540][ T1167] dst_alloc+0x97/0x150 [ 8438.177540][ T1167] ip6_dst_alloc+0x23/0x90 [ 8438.177540][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8438.177540][ T1167] ip6_pol_route+0x56f/0x840 [ 8438.177540][ T1167] fib6_rule_lookup+0x334/0x630 [ 8438.177540][ T1167] ip6_route_output_flags+0x259/0x480 [ 8438.177540][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8438.177540][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8438.177540][ T1167] netlink_rcv_skb+0x130/0x360 [ 8438.177540][ T1167] netlink_unicast+0x449/0x710 [ 8438.177540][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8438.177540][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8438.177540][ T1167] ___sys_sendmsg+0xee/0x170 [ 8438.177540][ T1167] __sys_sendmsg+0xcd/0x170 [ 8438.177540][ T1167] do_syscall_64+0xc6/0x1e0 [ 8438.177540][ T1167] [ 8438.179841][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8438.179841][ T1167] netdev_get_by_index+0x5e/0x80 [ 8438.179841][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8438.179841][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8438.179841][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8438.179841][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8438.179841][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8438.179841][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8438.179841][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8438.179841][ T1167] addrconf_dad_begin+0x310/0x670 [ 8438.179841][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8438.179841][ T1167] process_one_work+0x84d/0x18a0 [ 8438.179841][ T1167] worker_thread+0x587/0xd30 [ 8438.179841][ T1167] kthread+0x28a/0x350 [ 8438.179841][ T1167] ret_from_fork+0x31/0x70 [ 8438.179841][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8438.179841][ T1167] [ 8438.182082][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8438.182082][ T1167] netdev_get_by_index+0x5e/0x80 [ 8438.182082][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8438.182082][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8438.182082][ T1167] ip6_route_add+0x1c/0x140 [ 8438.182082][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8438.182082][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8438.182082][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8438.182082][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8438.182082][ T1167] netlink_rcv_skb+0x130/0x360 [ 8438.182082][ T1167] netlink_unicast+0x449/0x710 [ 8438.182082][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8438.182082][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8438.182082][ T1167] ___sys_sendmsg+0xee/0x170 [ 8438.182082][ T1167] __sys_sendmsg+0xcd/0x170 [ 8438.182082][ T1167] do_syscall_64+0xc6/0x1e0 [ 8438.182082][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8438.182082][ T1167] [ 8438.184433][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8438.184433][ T1167] netdev_get_by_index+0x5e/0x80 [ 8438.184433][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8438.184433][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8438.184433][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8438.184433][ T1167] ipv6_add_addr+0x411/0x2000 [ 8438.184433][ T1167] inet6_addr_add+0x30e/0xa40 [ 8438.184433][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8438.184433][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8438.184433][ T1167] netlink_rcv_skb+0x130/0x360 [ 8438.184433][ T1167] netlink_unicast+0x449/0x710 [ 8438.184433][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8438.184433][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8438.184433][ T1167] ___sys_sendmsg+0xee/0x170 [ 8438.184433][ T1167] __sys_sendmsg+0xcd/0x170 [ 8438.184433][ T1167] do_syscall_64+0xc6/0x1e0 [ 8438.184433][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8438.184433][ T1167] [ 8438.186777][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8438.186777][ T1167] netdev_get_by_index+0x5e/0x80 [ 8438.186777][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8438.186777][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8438.186777][ T1167] ip6_route_add+0x1c/0x140 [ 8438.186777][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8438.186777][ T1167] addrconf_add_dev+0xe2/0x170 [ 8438.186777][ T1167] inet6_addr_add+0x12f/0xa40 [ 8438.186777][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8438.186777][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8438.186777][ T1167] netlink_rcv_skb+0x130/0x360 [ 8438.186777][ T1167] netlink_unicast+0x449/0x710 [ 8438.186777][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8438.186777][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8438.186777][ T1167] ___sys_sendmsg+0xee/0x170 [ 8438.186777][ T1167] __sys_sendmsg+0xcd/0x170 [ 8438.186777][ T1167] do_syscall_64+0xc6/0x1e0 [ 8438.186777][ T1167] [ 8438.189164][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8438.189164][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8438.189164][ T1167] ipv6_find_idev+0x102/0x170 [ 8438.189164][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8438.189164][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8438.189164][ T1167] netlink_rcv_skb+0x130/0x360 [ 8438.189164][ T1167] netlink_unicast+0x449/0x710 [ 8438.189164][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8438.189164][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8438.189164][ T1167] ___sys_sendmsg+0xee/0x170 [ 8438.189164][ T1167] __sys_sendmsg+0xcd/0x170 [ 8438.189164][ T1167] do_syscall_64+0xc6/0x1e0 [ 8438.189164][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8438.189164][ T1167] [ 8438.190904][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8438.190904][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8438.190904][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8438.190904][ T1167] ipv6_find_idev+0x102/0x170 [ 8438.190904][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8438.190904][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8438.190904][ T1167] netlink_rcv_skb+0x130/0x360 [ 8438.190904][ T1167] netlink_unicast+0x449/0x710 [ 8438.190904][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8438.190904][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8438.190904][ T1167] ___sys_sendmsg+0xee/0x170 [ 8438.190904][ T1167] __sys_sendmsg+0xcd/0x170 [ 8438.190904][ T1167] do_syscall_64+0xc6/0x1e0 [ 8438.190904][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8438.190904][ T1167] [ 8448.017115][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8448.017528][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8448.017528][ T10] netdev_get_by_index+0x5e/0x80 [ 8448.017528][ T10] fib6_nh_init+0x3d8/0x1580 [ 8448.017528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8448.017528][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8448.017528][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8448.017528][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8448.017528][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8448.017528][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8448.017528][ T10] addrconf_dad_begin+0x310/0x670 [ 8448.017528][ T10] addrconf_dad_work+0x10b/0xab0 [ 8448.017528][ T10] process_one_work+0x84d/0x18a0 [ 8448.017528][ T10] worker_thread+0x587/0xd30 [ 8448.017528][ T10] kthread+0x28a/0x350 [ 8448.017528][ T10] ret_from_fork+0x31/0x70 [ 8448.017528][ T10] ret_from_fork_asm+0x1a/0x30 [ 8448.017528][ T10] [ 8448.019474][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8448.019474][ T10] netdev_get_by_index+0x5e/0x80 [ 8448.019474][ T10] fib6_nh_init+0x3d8/0x1580 [ 8448.019474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8448.019474][ T10] ip6_route_add+0x1c/0x140 [ 8448.019474][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8448.019474][ T10] inet6_addr_add+0x4f8/0xa40 [ 8448.019474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8448.019474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8448.019474][ T10] netlink_rcv_skb+0x130/0x360 [ 8448.019474][ T10] netlink_unicast+0x449/0x710 [ 8448.019474][ T10] netlink_sendmsg+0x723/0xbe0 [ 8448.019474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8448.019474][ T10] ___sys_sendmsg+0xee/0x170 [ 8448.019474][ T10] __sys_sendmsg+0xcd/0x170 [ 8448.019474][ T10] do_syscall_64+0xc6/0x1e0 [ 8448.019474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8448.019474][ T10] [ 8448.021460][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8448.021460][ T10] netdev_get_by_index+0x5e/0x80 [ 8448.021460][ T10] fib6_nh_init+0x3d8/0x1580 [ 8448.021460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8448.021460][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8448.021460][ T10] ipv6_add_addr+0x411/0x2000 [ 8448.021460][ T10] inet6_addr_add+0x30e/0xa40 [ 8448.021460][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8448.021460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8448.021460][ T10] netlink_rcv_skb+0x130/0x360 [ 8448.021460][ T10] netlink_unicast+0x449/0x710 [ 8448.021460][ T10] netlink_sendmsg+0x723/0xbe0 [ 8448.021460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8448.021460][ T10] ___sys_sendmsg+0xee/0x170 [ 8448.021460][ T10] __sys_sendmsg+0xcd/0x170 [ 8448.021460][ T10] do_syscall_64+0xc6/0x1e0 [ 8448.021460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8448.021460][ T10] [ 8448.023440][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8448.023440][ T10] netdev_get_by_index+0x5e/0x80 [ 8448.023440][ T10] fib6_nh_init+0x3d8/0x1580 [ 8448.023440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8448.023440][ T10] ip6_route_add+0x1c/0x140 [ 8448.023440][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8448.023440][ T10] addrconf_add_dev+0xe2/0x170 [ 8448.023440][ T10] inet6_addr_add+0x12f/0xa40 [ 8448.023440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8448.023440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8448.023440][ T10] netlink_rcv_skb+0x130/0x360 [ 8448.023440][ T10] netlink_unicast+0x449/0x710 [ 8448.023440][ T10] netlink_sendmsg+0x723/0xbe0 [ 8448.023440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8448.023440][ T10] ___sys_sendmsg+0xee/0x170 [ 8448.023440][ T10] __sys_sendmsg+0xcd/0x170 [ 8448.023440][ T10] do_syscall_64+0xc6/0x1e0 [ 8448.023440][ T10] [ 8448.025406][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8448.025406][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8448.025406][ T10] ipv6_find_idev+0x102/0x170 [ 8448.025406][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8448.025406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8448.025406][ T10] netlink_rcv_skb+0x130/0x360 [ 8448.025406][ T10] netlink_unicast+0x449/0x710 [ 8448.025406][ T10] netlink_sendmsg+0x723/0xbe0 [ 8448.025406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8448.025406][ T10] ___sys_sendmsg+0xee/0x170 [ 8448.025406][ T10] __sys_sendmsg+0xcd/0x170 [ 8448.025406][ T10] do_syscall_64+0xc6/0x1e0 [ 8448.025406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8448.025406][ T10] [ 8448.026931][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8448.026931][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8448.026931][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8448.026931][ T10] ipv6_find_idev+0x102/0x170 [ 8448.026931][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8448.026931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8448.026931][ T10] netlink_rcv_skb+0x130/0x360 [ 8448.026931][ T10] netlink_unicast+0x449/0x710 [ 8448.026931][ T10] netlink_sendmsg+0x723/0xbe0 [ 8448.026931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8448.026931][ T10] ___sys_sendmsg+0xee/0x170 [ 8448.026931][ T10] __sys_sendmsg+0xcd/0x170 [ 8448.026931][ T10] do_syscall_64+0xc6/0x1e0 [ 8448.026931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8448.026931][ T10] [ 8448.028617][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8448.028854][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8448.028854][ T10] netdev_get_by_index+0x5e/0x80 [ 8448.028854][ T10] fib6_nh_init+0x3d8/0x1580 [ 8448.028854][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8448.028854][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8448.028854][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8448.028854][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8448.028854][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8448.028854][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8448.028854][ T10] addrconf_dad_begin+0x310/0x670 [ 8448.028854][ T10] addrconf_dad_work+0x10b/0xab0 [ 8448.028854][ T10] process_one_work+0x84d/0x18a0 [ 8448.028854][ T10] worker_thread+0x587/0xd30 [ 8448.028854][ T10] kthread+0x28a/0x350 [ 8448.028854][ T10] ret_from_fork+0x31/0x70 [ 8448.028854][ T10] ret_from_fork_asm+0x1a/0x30 [ 8448.028854][ T10] [ 8448.030745][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8448.030745][ T10] netdev_get_by_index+0x5e/0x80 [ 8448.030745][ T10] fib6_nh_init+0x3d8/0x1580 [ 8448.030745][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8448.030745][ T10] ip6_route_add+0x1c/0x140 [ 8448.030745][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8448.030745][ T10] inet6_addr_add+0x4f8/0xa40 [ 8448.030745][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8448.030745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8448.030745][ T10] netlink_rcv_skb+0x130/0x360 [ 8448.030745][ T10] netlink_unicast+0x449/0x710 [ 8448.030745][ T10] netlink_sendmsg+0x723/0xbe0 [ 8448.030745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8448.030745][ T10] ___sys_sendmsg+0xee/0x170 [ 8448.030745][ T10] __sys_sendmsg+0xcd/0x170 [ 8448.030745][ T10] do_syscall_64+0xc6/0x1e0 [ 8448.030745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8448.030745][ T10] [ 8448.032727][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8448.032727][ T10] netdev_get_by_index+0x5e/0x80 [ 8448.032727][ T10] fib6_nh_init+0x3d8/0x1580 [ 8448.032727][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8448.032727][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8448.032727][ T10] ipv6_add_addr+0x411/0x2000 [ 8448.032727][ T10] inet6_addr_add+0x30e/0xa40 [ 8448.032727][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8448.032727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8448.032727][ T10] netlink_rcv_skb+0x130/0x360 [ 8448.032727][ T10] netlink_unicast+0x449/0x710 [ 8448.032727][ T10] netlink_sendmsg+0x723/0xbe0 [ 8448.032727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8448.032727][ T10] ___sys_sendmsg+0xee/0x170 [ 8448.032727][ T10] __sys_sendmsg+0xcd/0x170 [ 8448.032727][ T10] do_syscall_64+0xc6/0x1e0 [ 8448.032727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8448.032727][ T10] [ 8448.034704][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8448.034704][ T10] netdev_get_by_index+0x5e/0x80 [ 8448.034704][ T10] fib6_nh_init+0x3d8/0x1580 [ 8448.034704][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8448.034704][ T10] ip6_route_add+0x1c/0x140 [ 8448.034704][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8448.034704][ T10] addrconf_add_dev+0xe2/0x170 [ 8448.034704][ T10] inet6_addr_add+0x12f/0xa40 [ 8448.034704][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8448.034704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8448.034704][ T10] netlink_rcv_skb+0x130/0x360 [ 8448.034704][ T10] netlink_unicast+0x449/0x710 [ 8448.034704][ T10] netlink_sendmsg+0x723/0xbe0 [ 8448.034704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8448.034704][ T10] ___sys_sendmsg+0xee/0x170 [ 8448.034704][ T10] __sys_sendmsg+0xcd/0x170 [ 8448.034704][ T10] do_syscall_64+0xc6/0x1e0 [ 8448.034704][ T10] [ 8448.036649][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8448.036649][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8448.036649][ T10] ipv6_find_idev+0x102/0x170 [ 8448.036649][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8448.036649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8448.036649][ T10] netlink_rcv_skb+0x130/0x360 [ 8448.036649][ T10] netlink_unicast+0x449/0x710 [ 8448.036649][ T10] netlink_sendmsg+0x723/0xbe0 [ 8448.036649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8448.036649][ T10] ___sys_sendmsg+0xee/0x170 [ 8448.036649][ T10] __sys_sendmsg+0xcd/0x170 [ 8448.036649][ T10] do_syscall_64+0xc6/0x1e0 [ 8448.036649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8448.036649][ T10] [ 8448.038171][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8448.038171][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8448.038171][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8448.038171][ T10] ipv6_find_idev+0x102/0x170 [ 8448.038171][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8448.038171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8448.038171][ T10] netlink_rcv_skb+0x130/0x360 [ 8448.038171][ T10] netlink_unicast+0x449/0x710 [ 8448.038171][ T10] netlink_sendmsg+0x723/0xbe0 [ 8448.038171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8448.038171][ T10] ___sys_sendmsg+0xee/0x170 [ 8448.038171][ T10] __sys_sendmsg+0xcd/0x170 [ 8448.038171][ T10] do_syscall_64+0xc6/0x1e0 [ 8448.038171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8448.038171][ T10] [ 8448.039841][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8448.040086][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8448.040086][ T10] netdev_get_by_index+0x5e/0x80 [ 8448.040086][ T10] fib6_nh_init+0x3d8/0x1580 [ 8448.040086][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8448.040086][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8448.040086][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8448.040086][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8448.040086][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8448.040086][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8448.040086][ T10] addrconf_dad_begin+0x310/0x670 [ 8448.040086][ T10] addrconf_dad_work+0x10b/0xab0 [ 8448.040086][ T10] process_one_work+0x84d/0x18a0 [ 8448.040086][ T10] worker_thread+0x587/0xd30 [ 8448.040086][ T10] kthread+0x28a/0x350 [ 8448.040086][ T10] ret_from_fork+0x31/0x70 [ 8448.040086][ T10] ret_from_fork_asm+0x1a/0x30 [ 8448.040086][ T10] [ 8448.041979][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8448.041979][ T10] netdev_get_by_index+0x5e/0x80 [ 8448.041979][ T10] fib6_nh_init+0x3d8/0x1580 [ 8448.041979][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8448.041979][ T10] ip6_route_add+0x1c/0x140 [ 8448.041979][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8448.041979][ T10] inet6_addr_add+0x4f8/0xa40 [ 8448.041979][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8448.041979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8448.041979][ T10] netlink_rcv_skb+0x130/0x360 [ 8448.041979][ T10] netlink_unicast+0x449/0x710 [ 8448.041979][ T10] netlink_sendmsg+0x723/0xbe0 [ 8448.041979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8448.041979][ T10] ___sys_sendmsg+0xee/0x170 [ 8448.041979][ T10] __sys_sendmsg+0xcd/0x170 [ 8448.041979][ T10] do_syscall_64+0xc6/0x1e0 [ 8448.041979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8448.041979][ T10] [ 8448.044198][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8448.044198][ T10] netdev_get_by_index+0x5e/0x80 [ 8448.044198][ T10] fib6_nh_init+0x3d8/0x1580 [ 8448.044198][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8448.044198][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8448.044198][ T10] ipv6_add_addr+0x411/0x2000 [ 8448.044198][ T10] inet6_addr_add+0x30e/0xa40 [ 8448.044198][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8448.044198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8448.044198][ T10] netlink_rcv_skb+0x130/0x360 [ 8448.044198][ T10] netlink_unicast+0x449/0x710 [ 8448.044198][ T10] netlink_sendmsg+0x723/0xbe0 [ 8448.044198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8448.044198][ T10] ___sys_sendmsg+0xee/0x170 [ 8448.044198][ T10] __sys_sendmsg+0xcd/0x170 [ 8448.044198][ T10] do_syscall_64+0xc6/0x1e0 [ 8448.044198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8448.044198][ T10] [ 8448.046418][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8448.046418][ T10] netdev_get_by_index+0x5e/0x80 [ 8448.046418][ T10] fib6_nh_init+0x3d8/0x1580 [ 8448.046418][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8448.046418][ T10] ip6_route_add+0x1c/0x140 [ 8448.046418][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8448.046418][ T10] addrconf_add_dev+0xe2/0x170 [ 8448.046418][ T10] inet6_addr_add+0x12f/0xa40 [ 8448.046418][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8448.046418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8448.046418][ T10] netlink_rcv_skb+0x130/0x360 [ 8448.046418][ T10] netlink_unicast+0x449/0x710 [ 8448.046418][ T10] netlink_sendmsg+0x723/0xbe0 [ 8448.046418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8448.046418][ T10] ___sys_sendmsg+0xee/0x170 [ 8448.046418][ T10] __sys_sendmsg+0xcd/0x170 [ 8448.046418][ T10] do_syscall_64+0xc6/0x1e0 [ 8448.046418][ T10] [ 8448.048551][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8448.048551][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8448.048551][ T10] ipv6_find_idev+0x102/0x170 [ 8448.048551][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8448.048551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8448.048551][ T10] netlink_rcv_skb+0x130/0x360 [ 8448.048551][ T10] netlink_unicast+0x449/0x710 [ 8448.048551][ T10] netlink_sendmsg+0x723/0xbe0 [ 8448.048551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8448.048551][ T10] ___sys_sendmsg+0xee/0x170 [ 8448.048551][ T10] __sys_sendmsg+0xcd/0x170 [ 8448.048551][ T10] do_syscall_64+0xc6/0x1e0 [ 8448.048551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8448.048551][ T10] [ 8448.050252][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8448.050252][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8448.050252][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8448.050252][ T10] ipv6_find_idev+0x102/0x170 [ 8448.050252][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8448.050252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8448.050252][ T10] netlink_rcv_skb+0x130/0x360 [ 8448.050252][ T10] netlink_unicast+0x449/0x710 [ 8448.050252][ T10] netlink_sendmsg+0x723/0xbe0 [ 8448.050252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8448.050252][ T10] ___sys_sendmsg+0xee/0x170 [ 8448.050252][ T10] __sys_sendmsg+0xcd/0x170 [ 8448.050252][ T10] do_syscall_64+0xc6/0x1e0 [ 8448.050252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8448.050252][ T10] [ 8448.052153][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8448.052385][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8448.052385][ T10] netdev_get_by_index+0x5e/0x80 [ 8448.052385][ T10] fib6_nh_init+0x3d8/0x1580 [ 8448.052385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8448.052385][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8448.052385][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8448.052385][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8448.052385][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8448.052385][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8448.052385][ T10] addrconf_dad_begin+0x310/0x670 [ 8448.052385][ T10] addrconf_dad_work+0x10b/0xab0 [ 8448.052385][ T10] process_one_work+0x84d/0x18a0 [ 8448.052385][ T10] worker_thread+0x587/0xd30 [ 8448.052385][ T10] kthread+0x28a/0x350 [ 8448.052385][ T10] ret_from_fork+0x31/0x70 [ 8448.052385][ T10] ret_from_fork_asm+0x1a/0x30 [ 8448.052385][ T10] [ 8448.054513][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8448.054513][ T10] netdev_get_by_index+0x5e/0x80 [ 8448.054513][ T10] fib6_nh_init+0x3d8/0x1580 [ 8448.054513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8448.054513][ T10] ip6_route_add+0x1c/0x140 [ 8448.054513][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8448.054513][ T10] inet6_addr_add+0x4f8/0xa40 [ 8448.054513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8448.054513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8448.054513][ T10] netlink_rcv_skb+0x130/0x360 [ 8448.054513][ T10] netlink_unicast+0x449/0x710 [ 8448.054513][ T10] netlink_sendmsg+0x723/0xbe0 [ 8448.054513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8448.054513][ T10] ___sys_sendmsg+0xee/0x170 [ 8448.054513][ T10] __sys_sendmsg+0xcd/0x170 [ 8448.054513][ T10] do_syscall_64+0xc6/0x1e0 [ 8448.054513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8448.054513][ T10] [ 8448.057180][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8448.057180][ T10] netdev_get_by_index+0x5e/0x80 [ 8448.057180][ T10] fib6_nh_init+0x3d8/0x1580 [ 8448.057180][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8448.057180][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8448.057180][ T10] ipv6_add_addr+0x411/0x2000 [ 8448.057180][ T10] inet6_addr_add+0x30e/0xa40 [ 8448.057180][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8448.057180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8448.057180][ T10] netlink_rcv_skb+0x130/0x360 [ 8448.057180][ T10] netlink_unicast+0x449/0x710 [ 8448.057180][ T10] netlink_sendmsg+0x723/0xbe0 [ 8448.057180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8448.057180][ T10] ___sys_sendmsg+0xee/0x170 [ 8448.057180][ T10] __sys_sendmsg+0xcd/0x170 [ 8448.057180][ T10] do_syscall_64+0xc6/0x1e0 [ 8448.057180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8448.057180][ T10] [ 8448.059404][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8448.059404][ T10] netdev_get_by_index+0x5e/0x80 [ 8448.059404][ T10] fib6_nh_init+0x3d8/0x1580 [ 8448.059404][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8448.059404][ T10] ip6_route_add+0x1c/0x140 [ 8448.059404][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8448.059404][ T10] addrconf_add_dev+0xe2/0x170 [ 8448.059404][ T10] inet6_addr_add+0x12f/0xa40 [ 8448.059404][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8448.059404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8448.059404][ T10] netlink_rcv_skb+0x130/0x360 [ 8448.059404][ T10] netlink_unicast+0x449/0x710 [ 8448.059404][ T10] netlink_sendmsg+0x723/0xbe0 [ 8448.059404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8448.059404][ T10] ___sys_sendmsg+0xee/0x170 [ 8448.059404][ T10] __sys_sendmsg+0xcd/0x170 [ 8448.059404][ T10] do_syscall_64+0xc6/0x1e0 [ 8448.059404][ T10] [ 8448.061644][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8448.061644][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8448.061644][ T10] ipv6_find_idev+0x102/0x170 [ 8448.061644][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8448.061644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8448.061644][ T10] netlink_rcv_skb+0x130/0x360 [ 8448.061644][ T10] netlink_unicast+0x449/0x710 [ 8448.061644][ T10] netlink_sendmsg+0x723/0xbe0 [ 8448.061644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8448.061644][ T10] ___sys_sendmsg+0xee/0x170 [ 8448.061644][ T10] __sys_sendmsg+0xcd/0x170 [ 8448.061644][ T10] do_syscall_64+0xc6/0x1e0 [ 8448.061644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8448.061644][ T10] [ 8448.063345][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8448.063345][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8448.063345][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8448.063345][ T10] ipv6_find_idev+0x102/0x170 [ 8448.063345][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8448.063345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8448.063345][ T10] netlink_rcv_skb+0x130/0x360 [ 8448.063345][ T10] netlink_unicast+0x449/0x710 [ 8448.063345][ T10] netlink_sendmsg+0x723/0xbe0 [ 8448.063345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8448.063345][ T10] ___sys_sendmsg+0xee/0x170 [ 8448.063345][ T10] __sys_sendmsg+0xcd/0x170 [ 8448.063345][ T10] do_syscall_64+0xc6/0x1e0 [ 8448.063345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8448.063345][ T10] [ 8448.433107][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8448.433543][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8448.433543][ T1167] dst_init+0x84/0x4a0 [ 8448.433543][ T1167] dst_alloc+0x97/0x150 [ 8448.433543][ T1167] ip6_dst_alloc+0x23/0x90 [ 8448.433543][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8448.433543][ T1167] ip6_pol_route+0x56f/0x840 [ 8448.433543][ T1167] fib6_rule_lookup+0x334/0x630 [ 8448.433543][ T1167] ip6_route_output_flags+0x259/0x480 [ 8448.433543][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8448.433543][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8448.433543][ T1167] netlink_rcv_skb+0x130/0x360 [ 8448.433543][ T1167] netlink_unicast+0x449/0x710 [ 8448.433543][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8448.433543][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8448.433543][ T1167] ___sys_sendmsg+0xee/0x170 [ 8448.433543][ T1167] __sys_sendmsg+0xcd/0x170 [ 8448.433543][ T1167] do_syscall_64+0xc6/0x1e0 [ 8448.433543][ T1167] [ 8448.435752][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8448.435752][ T1167] netdev_get_by_index+0x5e/0x80 [ 8448.435752][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8448.435752][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8448.435752][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8448.435752][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8448.435752][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8448.435752][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8448.435752][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8448.435752][ T1167] addrconf_dad_begin+0x310/0x670 [ 8448.435752][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8448.435752][ T1167] process_one_work+0x84d/0x18a0 [ 8448.435752][ T1167] worker_thread+0x587/0xd30 [ 8448.435752][ T1167] kthread+0x28a/0x350 [ 8448.435752][ T1167] ret_from_fork+0x31/0x70 [ 8448.435752][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8448.435752][ T1167] [ 8448.437923][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8448.437923][ T1167] netdev_get_by_index+0x5e/0x80 [ 8448.437923][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8448.437923][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8448.437923][ T1167] ip6_route_add+0x1c/0x140 [ 8448.437923][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8448.437923][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8448.437923][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8448.437923][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8448.437923][ T1167] netlink_rcv_skb+0x130/0x360 [ 8448.437923][ T1167] netlink_unicast+0x449/0x710 [ 8448.437923][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8448.437923][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8448.437923][ T1167] ___sys_sendmsg+0xee/0x170 [ 8448.437923][ T1167] __sys_sendmsg+0xcd/0x170 [ 8448.437923][ T1167] do_syscall_64+0xc6/0x1e0 [ 8448.437923][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8448.437923][ T1167] [ 8448.440190][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8448.440190][ T1167] netdev_get_by_index+0x5e/0x80 [ 8448.440190][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8448.440190][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8448.440190][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8448.440190][ T1167] ipv6_add_addr+0x411/0x2000 [ 8448.440190][ T1167] inet6_addr_add+0x30e/0xa40 [ 8448.440190][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8448.440190][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8448.440190][ T1167] netlink_rcv_skb+0x130/0x360 [ 8448.440190][ T1167] netlink_unicast+0x449/0x710 [ 8448.440190][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8448.440190][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8448.440190][ T1167] ___sys_sendmsg+0xee/0x170 [ 8448.440190][ T1167] __sys_sendmsg+0xcd/0x170 [ 8448.440190][ T1167] do_syscall_64+0xc6/0x1e0 [ 8448.440190][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8448.440190][ T1167] [ 8448.442446][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8448.442446][ T1167] netdev_get_by_index+0x5e/0x80 [ 8448.442446][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8448.442446][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8448.442446][ T1167] ip6_route_add+0x1c/0x140 [ 8448.442446][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8448.442446][ T1167] addrconf_add_dev+0xe2/0x170 [ 8448.442446][ T1167] inet6_addr_add+0x12f/0xa40 [ 8448.442446][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8448.442446][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8448.442446][ T1167] netlink_rcv_skb+0x130/0x360 [ 8448.442446][ T1167] netlink_unicast+0x449/0x710 [ 8448.442446][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8448.442446][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8448.442446][ T1167] ___sys_sendmsg+0xee/0x170 [ 8448.442446][ T1167] __sys_sendmsg+0xcd/0x170 [ 8448.442446][ T1167] do_syscall_64+0xc6/0x1e0 [ 8448.442446][ T1167] [ 8448.444658][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8448.444658][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8448.444658][ T1167] ipv6_find_idev+0x102/0x170 [ 8448.444658][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8448.444658][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8448.444658][ T1167] netlink_rcv_skb+0x130/0x360 [ 8448.444658][ T1167] netlink_unicast+0x449/0x710 [ 8448.444658][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8448.444658][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8448.444658][ T1167] ___sys_sendmsg+0xee/0x170 [ 8448.444658][ T1167] __sys_sendmsg+0xcd/0x170 [ 8448.444658][ T1167] do_syscall_64+0xc6/0x1e0 [ 8448.444658][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8448.444658][ T1167] [ 8448.446395][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8448.446395][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8448.446395][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8448.446395][ T1167] ipv6_find_idev+0x102/0x170 [ 8448.446395][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8448.446395][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8448.446395][ T1167] netlink_rcv_skb+0x130/0x360 [ 8448.446395][ T1167] netlink_unicast+0x449/0x710 [ 8448.446395][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8448.446395][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8448.446395][ T1167] ___sys_sendmsg+0xee/0x170 [ 8448.446395][ T1167] __sys_sendmsg+0xcd/0x170 [ 8448.446395][ T1167] do_syscall_64+0xc6/0x1e0 [ 8448.446395][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8448.446395][ T1167] [ 8458.137130][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8458.137500][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8458.137500][ T10] netdev_get_by_index+0x5e/0x80 [ 8458.137500][ T10] fib6_nh_init+0x3d8/0x1580 [ 8458.137500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8458.137500][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8458.137500][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8458.137500][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8458.137500][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8458.137500][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8458.137500][ T10] addrconf_dad_begin+0x310/0x670 [ 8458.137500][ T10] addrconf_dad_work+0x10b/0xab0 [ 8458.137500][ T10] process_one_work+0x84d/0x18a0 [ 8458.137500][ T10] worker_thread+0x587/0xd30 [ 8458.137500][ T10] kthread+0x28a/0x350 [ 8458.137500][ T10] ret_from_fork+0x31/0x70 [ 8458.137500][ T10] ret_from_fork_asm+0x1a/0x30 [ 8458.137500][ T10] [ 8458.139471][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8458.139471][ T10] netdev_get_by_index+0x5e/0x80 [ 8458.139471][ T10] fib6_nh_init+0x3d8/0x1580 [ 8458.139471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8458.139471][ T10] ip6_route_add+0x1c/0x140 [ 8458.139471][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8458.139471][ T10] inet6_addr_add+0x4f8/0xa40 [ 8458.139471][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8458.139471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8458.139471][ T10] netlink_rcv_skb+0x130/0x360 [ 8458.139471][ T10] netlink_unicast+0x449/0x710 [ 8458.139471][ T10] netlink_sendmsg+0x723/0xbe0 [ 8458.139471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8458.139471][ T10] ___sys_sendmsg+0xee/0x170 [ 8458.139471][ T10] __sys_sendmsg+0xcd/0x170 [ 8458.139471][ T10] do_syscall_64+0xc6/0x1e0 [ 8458.139471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8458.139471][ T10] [ 8458.141505][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8458.141505][ T10] netdev_get_by_index+0x5e/0x80 [ 8458.141505][ T10] fib6_nh_init+0x3d8/0x1580 [ 8458.141505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8458.141505][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8458.141505][ T10] ipv6_add_addr+0x411/0x2000 [ 8458.141505][ T10] inet6_addr_add+0x30e/0xa40 [ 8458.141505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8458.141505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8458.141505][ T10] netlink_rcv_skb+0x130/0x360 [ 8458.141505][ T10] netlink_unicast+0x449/0x710 [ 8458.141505][ T10] netlink_sendmsg+0x723/0xbe0 [ 8458.141505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8458.141505][ T10] ___sys_sendmsg+0xee/0x170 [ 8458.141505][ T10] __sys_sendmsg+0xcd/0x170 [ 8458.141505][ T10] do_syscall_64+0xc6/0x1e0 [ 8458.141505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8458.141505][ T10] [ 8458.143522][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8458.143522][ T10] netdev_get_by_index+0x5e/0x80 [ 8458.143522][ T10] fib6_nh_init+0x3d8/0x1580 [ 8458.143522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8458.143522][ T10] ip6_route_add+0x1c/0x140 [ 8458.143522][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8458.143522][ T10] addrconf_add_dev+0xe2/0x170 [ 8458.143522][ T10] inet6_addr_add+0x12f/0xa40 [ 8458.143522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8458.143522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8458.143522][ T10] netlink_rcv_skb+0x130/0x360 [ 8458.143522][ T10] netlink_unicast+0x449/0x710 [ 8458.143522][ T10] netlink_sendmsg+0x723/0xbe0 [ 8458.143522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8458.143522][ T10] ___sys_sendmsg+0xee/0x170 [ 8458.143522][ T10] __sys_sendmsg+0xcd/0x170 [ 8458.143522][ T10] do_syscall_64+0xc6/0x1e0 [ 8458.143522][ T10] [ 8458.145509][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8458.145509][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8458.145509][ T10] ipv6_find_idev+0x102/0x170 [ 8458.145509][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8458.145509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8458.145509][ T10] netlink_rcv_skb+0x130/0x360 [ 8458.145509][ T10] netlink_unicast+0x449/0x710 [ 8458.145509][ T10] netlink_sendmsg+0x723/0xbe0 [ 8458.145509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8458.145509][ T10] ___sys_sendmsg+0xee/0x170 [ 8458.145509][ T10] __sys_sendmsg+0xcd/0x170 [ 8458.145509][ T10] do_syscall_64+0xc6/0x1e0 [ 8458.145509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8458.145509][ T10] [ 8458.147063][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8458.147063][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8458.147063][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8458.147063][ T10] ipv6_find_idev+0x102/0x170 [ 8458.147063][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8458.147063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8458.147063][ T10] netlink_rcv_skb+0x130/0x360 [ 8458.147063][ T10] netlink_unicast+0x449/0x710 [ 8458.147063][ T10] netlink_sendmsg+0x723/0xbe0 [ 8458.147063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8458.147063][ T10] ___sys_sendmsg+0xee/0x170 [ 8458.147063][ T10] __sys_sendmsg+0xcd/0x170 [ 8458.147063][ T10] do_syscall_64+0xc6/0x1e0 [ 8458.147063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8458.147063][ T10] [ 8458.148792][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8458.149048][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8458.149048][ T10] netdev_get_by_index+0x5e/0x80 [ 8458.149048][ T10] fib6_nh_init+0x3d8/0x1580 [ 8458.149048][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8458.149048][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8458.149048][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8458.149048][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8458.149048][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8458.149048][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8458.149048][ T10] addrconf_dad_begin+0x310/0x670 [ 8458.149048][ T10] addrconf_dad_work+0x10b/0xab0 [ 8458.149048][ T10] process_one_work+0x84d/0x18a0 [ 8458.149048][ T10] worker_thread+0x587/0xd30 [ 8458.149048][ T10] kthread+0x28a/0x350 [ 8458.149048][ T10] ret_from_fork+0x31/0x70 [ 8458.149048][ T10] ret_from_fork_asm+0x1a/0x30 [ 8458.149048][ T10] [ 8458.150970][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8458.150970][ T10] netdev_get_by_index+0x5e/0x80 [ 8458.150970][ T10] fib6_nh_init+0x3d8/0x1580 [ 8458.150970][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8458.150970][ T10] ip6_route_add+0x1c/0x140 [ 8458.150970][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8458.150970][ T10] inet6_addr_add+0x4f8/0xa40 [ 8458.150970][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8458.150970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8458.150970][ T10] netlink_rcv_skb+0x130/0x360 [ 8458.150970][ T10] netlink_unicast+0x449/0x710 [ 8458.150970][ T10] netlink_sendmsg+0x723/0xbe0 [ 8458.150970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8458.150970][ T10] ___sys_sendmsg+0xee/0x170 [ 8458.150970][ T10] __sys_sendmsg+0xcd/0x170 [ 8458.150970][ T10] do_syscall_64+0xc6/0x1e0 [ 8458.150970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8458.150970][ T10] [ 8458.152984][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8458.152984][ T10] netdev_get_by_index+0x5e/0x80 [ 8458.152984][ T10] fib6_nh_init+0x3d8/0x1580 [ 8458.152984][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8458.152984][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8458.152984][ T10] ipv6_add_addr+0x411/0x2000 [ 8458.152984][ T10] inet6_addr_add+0x30e/0xa40 [ 8458.152984][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8458.152984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8458.152984][ T10] netlink_rcv_skb+0x130/0x360 [ 8458.152984][ T10] netlink_unicast+0x449/0x710 [ 8458.152984][ T10] netlink_sendmsg+0x723/0xbe0 [ 8458.152984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8458.152984][ T10] ___sys_sendmsg+0xee/0x170 [ 8458.152984][ T10] __sys_sendmsg+0xcd/0x170 [ 8458.152984][ T10] do_syscall_64+0xc6/0x1e0 [ 8458.152984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8458.152984][ T10] [ 8458.154995][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8458.154995][ T10] netdev_get_by_index+0x5e/0x80 [ 8458.154995][ T10] fib6_nh_init+0x3d8/0x1580 [ 8458.154995][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8458.154995][ T10] ip6_route_add+0x1c/0x140 [ 8458.154995][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8458.154995][ T10] addrconf_add_dev+0xe2/0x170 [ 8458.154995][ T10] inet6_addr_add+0x12f/0xa40 [ 8458.154995][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8458.154995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8458.154995][ T10] netlink_rcv_skb+0x130/0x360 [ 8458.154995][ T10] netlink_unicast+0x449/0x710 [ 8458.154995][ T10] netlink_sendmsg+0x723/0xbe0 [ 8458.154995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8458.154995][ T10] ___sys_sendmsg+0xee/0x170 [ 8458.154995][ T10] __sys_sendmsg+0xcd/0x170 [ 8458.154995][ T10] do_syscall_64+0xc6/0x1e0 [ 8458.154995][ T10] [ 8458.156983][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8458.156983][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8458.156983][ T10] ipv6_find_idev+0x102/0x170 [ 8458.156983][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8458.156983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8458.156983][ T10] netlink_rcv_skb+0x130/0x360 [ 8458.156983][ T10] netlink_unicast+0x449/0x710 [ 8458.156983][ T10] netlink_sendmsg+0x723/0xbe0 [ 8458.156983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8458.156983][ T10] ___sys_sendmsg+0xee/0x170 [ 8458.156983][ T10] __sys_sendmsg+0xcd/0x170 [ 8458.156983][ T10] do_syscall_64+0xc6/0x1e0 [ 8458.156983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8458.156983][ T10] [ 8458.158539][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8458.158539][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8458.158539][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8458.158539][ T10] ipv6_find_idev+0x102/0x170 [ 8458.158539][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8458.158539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8458.158539][ T10] netlink_rcv_skb+0x130/0x360 [ 8458.158539][ T10] netlink_unicast+0x449/0x710 [ 8458.158539][ T10] netlink_sendmsg+0x723/0xbe0 [ 8458.158539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8458.158539][ T10] ___sys_sendmsg+0xee/0x170 [ 8458.158539][ T10] __sys_sendmsg+0xcd/0x170 [ 8458.158539][ T10] do_syscall_64+0xc6/0x1e0 [ 8458.158539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8458.158539][ T10] [ 8458.160244][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8458.160488][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8458.160488][ T10] netdev_get_by_index+0x5e/0x80 [ 8458.160488][ T10] fib6_nh_init+0x3d8/0x1580 [ 8458.160488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8458.160488][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8458.160488][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8458.160488][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8458.160488][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8458.160488][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8458.160488][ T10] addrconf_dad_begin+0x310/0x670 [ 8458.160488][ T10] addrconf_dad_work+0x10b/0xab0 [ 8458.160488][ T10] process_one_work+0x84d/0x18a0 [ 8458.160488][ T10] worker_thread+0x587/0xd30 [ 8458.160488][ T10] kthread+0x28a/0x350 [ 8458.160488][ T10] ret_from_fork+0x31/0x70 [ 8458.160488][ T10] ret_from_fork_asm+0x1a/0x30 [ 8458.160488][ T10] [ 8458.162415][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8458.162415][ T10] netdev_get_by_index+0x5e/0x80 [ 8458.162415][ T10] fib6_nh_init+0x3d8/0x1580 [ 8458.162415][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8458.162415][ T10] ip6_route_add+0x1c/0x140 [ 8458.162415][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8458.162415][ T10] inet6_addr_add+0x4f8/0xa40 [ 8458.162415][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8458.162415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8458.162415][ T10] netlink_rcv_skb+0x130/0x360 [ 8458.162415][ T10] netlink_unicast+0x449/0x710 [ 8458.162415][ T10] netlink_sendmsg+0x723/0xbe0 [ 8458.162415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8458.162415][ T10] ___sys_sendmsg+0xee/0x170 [ 8458.162415][ T10] __sys_sendmsg+0xcd/0x170 [ 8458.162415][ T10] do_syscall_64+0xc6/0x1e0 [ 8458.162415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8458.162415][ T10] [ 8458.164608][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8458.164608][ T10] netdev_get_by_index+0x5e/0x80 [ 8458.164608][ T10] fib6_nh_init+0x3d8/0x1580 [ 8458.164608][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8458.164608][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8458.164608][ T10] ipv6_add_addr+0x411/0x2000 [ 8458.164608][ T10] inet6_addr_add+0x30e/0xa40 [ 8458.164608][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8458.164608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8458.164608][ T10] netlink_rcv_skb+0x130/0x360 [ 8458.164608][ T10] netlink_unicast+0x449/0x710 [ 8458.164608][ T10] netlink_sendmsg+0x723/0xbe0 [ 8458.164608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8458.164608][ T10] ___sys_sendmsg+0xee/0x170 [ 8458.164608][ T10] __sys_sendmsg+0xcd/0x170 [ 8458.164608][ T10] do_syscall_64+0xc6/0x1e0 [ 8458.164608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8458.164608][ T10] [ 8458.166870][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8458.166870][ T10] netdev_get_by_index+0x5e/0x80 [ 8458.166870][ T10] fib6_nh_init+0x3d8/0x1580 [ 8458.166870][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8458.166870][ T10] ip6_route_add+0x1c/0x140 [ 8458.166870][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8458.166870][ T10] addrconf_add_dev+0xe2/0x170 [ 8458.166870][ T10] inet6_addr_add+0x12f/0xa40 [ 8458.166870][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8458.166870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8458.166870][ T10] netlink_rcv_skb+0x130/0x360 [ 8458.166870][ T10] netlink_unicast+0x449/0x710 [ 8458.166870][ T10] netlink_sendmsg+0x723/0xbe0 [ 8458.166870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8458.166870][ T10] ___sys_sendmsg+0xee/0x170 [ 8458.166870][ T10] __sys_sendmsg+0xcd/0x170 [ 8458.166870][ T10] do_syscall_64+0xc6/0x1e0 [ 8458.166870][ T10] [ 8458.169040][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8458.169040][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8458.169040][ T10] ipv6_find_idev+0x102/0x170 [ 8458.169040][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8458.169040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8458.169040][ T10] netlink_rcv_skb+0x130/0x360 [ 8458.169040][ T10] netlink_unicast+0x449/0x710 [ 8458.169040][ T10] netlink_sendmsg+0x723/0xbe0 [ 8458.169040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8458.169040][ T10] ___sys_sendmsg+0xee/0x170 [ 8458.169040][ T10] __sys_sendmsg+0xcd/0x170 [ 8458.169040][ T10] do_syscall_64+0xc6/0x1e0 [ 8458.169040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8458.169040][ T10] [ 8458.170837][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8458.170837][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8458.170837][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8458.170837][ T10] ipv6_find_idev+0x102/0x170 [ 8458.170837][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8458.170837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8458.170837][ T10] netlink_rcv_skb+0x130/0x360 [ 8458.170837][ T10] netlink_unicast+0x449/0x710 [ 8458.170837][ T10] netlink_sendmsg+0x723/0xbe0 [ 8458.170837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8458.170837][ T10] ___sys_sendmsg+0xee/0x170 [ 8458.170837][ T10] __sys_sendmsg+0xcd/0x170 [ 8458.170837][ T10] do_syscall_64+0xc6/0x1e0 [ 8458.170837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8458.170837][ T10] [ 8458.172765][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8458.173016][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8458.173016][ T10] netdev_get_by_index+0x5e/0x80 [ 8458.173016][ T10] fib6_nh_init+0x3d8/0x1580 [ 8458.173016][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8458.173016][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8458.173016][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8458.173016][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8458.173016][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8458.173016][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8458.173016][ T10] addrconf_dad_begin+0x310/0x670 [ 8458.173016][ T10] addrconf_dad_work+0x10b/0xab0 [ 8458.173016][ T10] process_one_work+0x84d/0x18a0 [ 8458.173016][ T10] worker_thread+0x587/0xd30 [ 8458.173016][ T10] kthread+0x28a/0x350 [ 8458.173016][ T10] ret_from_fork+0x31/0x70 [ 8458.173016][ T10] ret_from_fork_asm+0x1a/0x30 [ 8458.173016][ T10] [ 8458.175182][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8458.175182][ T10] netdev_get_by_index+0x5e/0x80 [ 8458.175182][ T10] fib6_nh_init+0x3d8/0x1580 [ 8458.175182][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8458.175182][ T10] ip6_route_add+0x1c/0x140 [ 8458.175182][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8458.175182][ T10] inet6_addr_add+0x4f8/0xa40 [ 8458.175182][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8458.175182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8458.175182][ T10] netlink_rcv_skb+0x130/0x360 [ 8458.175182][ T10] netlink_unicast+0x449/0x710 [ 8458.175182][ T10] netlink_sendmsg+0x723/0xbe0 [ 8458.175182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8458.175182][ T10] ___sys_sendmsg+0xee/0x170 [ 8458.175182][ T10] __sys_sendmsg+0xcd/0x170 [ 8458.175182][ T10] do_syscall_64+0xc6/0x1e0 [ 8458.175182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8458.175182][ T10] [ 8458.177879][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8458.177879][ T10] netdev_get_by_index+0x5e/0x80 [ 8458.177879][ T10] fib6_nh_init+0x3d8/0x1580 [ 8458.177879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8458.177879][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8458.177879][ T10] ipv6_add_addr+0x411/0x2000 [ 8458.177879][ T10] inet6_addr_add+0x30e/0xa40 [ 8458.177879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8458.177879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8458.177879][ T10] netlink_rcv_skb+0x130/0x360 [ 8458.177879][ T10] netlink_unicast+0x449/0x710 [ 8458.177879][ T10] netlink_sendmsg+0x723/0xbe0 [ 8458.177879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8458.177879][ T10] ___sys_sendmsg+0xee/0x170 [ 8458.177879][ T10] __sys_sendmsg+0xcd/0x170 [ 8458.177879][ T10] do_syscall_64+0xc6/0x1e0 [ 8458.177879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8458.177879][ T10] [ 8458.180195][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8458.180195][ T10] netdev_get_by_index+0x5e/0x80 [ 8458.180195][ T10] fib6_nh_init+0x3d8/0x1580 [ 8458.180195][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8458.180195][ T10] ip6_route_add+0x1c/0x140 [ 8458.180195][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8458.180195][ T10] addrconf_add_dev+0xe2/0x170 [ 8458.180195][ T10] inet6_addr_add+0x12f/0xa40 [ 8458.180195][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8458.180195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8458.180195][ T10] netlink_rcv_skb+0x130/0x360 [ 8458.180195][ T10] netlink_unicast+0x449/0x710 [ 8458.180195][ T10] netlink_sendmsg+0x723/0xbe0 [ 8458.180195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8458.180195][ T10] ___sys_sendmsg+0xee/0x170 [ 8458.180195][ T10] __sys_sendmsg+0xcd/0x170 [ 8458.180195][ T10] do_syscall_64+0xc6/0x1e0 [ 8458.180195][ T10] [ 8458.182403][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8458.182403][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8458.182403][ T10] ipv6_find_idev+0x102/0x170 [ 8458.182403][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8458.182403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8458.182403][ T10] netlink_rcv_skb+0x130/0x360 [ 8458.182403][ T10] netlink_unicast+0x449/0x710 [ 8458.182403][ T10] netlink_sendmsg+0x723/0xbe0 [ 8458.182403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8458.182403][ T10] ___sys_sendmsg+0xee/0x170 [ 8458.182403][ T10] __sys_sendmsg+0xcd/0x170 [ 8458.182403][ T10] do_syscall_64+0xc6/0x1e0 [ 8458.182403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8458.182403][ T10] [ 8458.184130][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8458.184130][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8458.184130][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8458.184130][ T10] ipv6_find_idev+0x102/0x170 [ 8458.184130][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8458.184130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8458.184130][ T10] netlink_rcv_skb+0x130/0x360 [ 8458.184130][ T10] netlink_unicast+0x449/0x710 [ 8458.184130][ T10] netlink_sendmsg+0x723/0xbe0 [ 8458.184130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8458.184130][ T10] ___sys_sendmsg+0xee/0x170 [ 8458.184130][ T10] __sys_sendmsg+0xcd/0x170 [ 8458.184130][ T10] do_syscall_64+0xc6/0x1e0 [ 8458.184130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8458.184130][ T10] [ 8458.697110][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8458.697499][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8458.697499][ T1167] dst_init+0x84/0x4a0 [ 8458.697499][ T1167] dst_alloc+0x97/0x150 [ 8458.697499][ T1167] ip6_dst_alloc+0x23/0x90 [ 8458.697499][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8458.697499][ T1167] ip6_pol_route+0x56f/0x840 [ 8458.697499][ T1167] fib6_rule_lookup+0x334/0x630 [ 8458.697499][ T1167] ip6_route_output_flags+0x259/0x480 [ 8458.697499][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8458.697499][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8458.697499][ T1167] netlink_rcv_skb+0x130/0x360 [ 8458.697499][ T1167] netlink_unicast+0x449/0x710 [ 8458.697499][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8458.697499][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8458.697499][ T1167] ___sys_sendmsg+0xee/0x170 [ 8458.697499][ T1167] __sys_sendmsg+0xcd/0x170 [ 8458.697499][ T1167] do_syscall_64+0xc6/0x1e0 [ 8458.697499][ T1167] [ 8458.699685][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8458.699685][ T1167] netdev_get_by_index+0x5e/0x80 [ 8458.699685][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8458.699685][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8458.699685][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8458.699685][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8458.699685][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8458.699685][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8458.699685][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8458.699685][ T1167] addrconf_dad_begin+0x310/0x670 [ 8458.699685][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8458.699685][ T1167] process_one_work+0x84d/0x18a0 [ 8458.699685][ T1167] worker_thread+0x587/0xd30 [ 8458.699685][ T1167] kthread+0x28a/0x350 [ 8458.699685][ T1167] ret_from_fork+0x31/0x70 [ 8458.699685][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8458.699685][ T1167] [ 8458.701822][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8458.701822][ T1167] netdev_get_by_index+0x5e/0x80 [ 8458.701822][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8458.701822][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8458.701822][ T1167] ip6_route_add+0x1c/0x140 [ 8458.701822][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8458.701822][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8458.701822][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8458.701822][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8458.701822][ T1167] netlink_rcv_skb+0x130/0x360 [ 8458.701822][ T1167] netlink_unicast+0x449/0x710 [ 8458.701822][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8458.701822][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8458.701822][ T1167] ___sys_sendmsg+0xee/0x170 [ 8458.701822][ T1167] __sys_sendmsg+0xcd/0x170 [ 8458.701822][ T1167] do_syscall_64+0xc6/0x1e0 [ 8458.701822][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8458.701822][ T1167] [ 8458.704053][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8458.704053][ T1167] netdev_get_by_index+0x5e/0x80 [ 8458.704053][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8458.704053][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8458.704053][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8458.704053][ T1167] ipv6_add_addr+0x411/0x2000 [ 8458.704053][ T1167] inet6_addr_add+0x30e/0xa40 [ 8458.704053][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8458.704053][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8458.704053][ T1167] netlink_rcv_skb+0x130/0x360 [ 8458.704053][ T1167] netlink_unicast+0x449/0x710 [ 8458.704053][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8458.704053][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8458.704053][ T1167] ___sys_sendmsg+0xee/0x170 [ 8458.704053][ T1167] __sys_sendmsg+0xcd/0x170 [ 8458.704053][ T1167] do_syscall_64+0xc6/0x1e0 [ 8458.704053][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8458.704053][ T1167] [ 8458.706287][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8458.706287][ T1167] netdev_get_by_index+0x5e/0x80 [ 8458.706287][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8458.706287][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8458.706287][ T1167] ip6_route_add+0x1c/0x140 [ 8458.706287][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8458.706287][ T1167] addrconf_add_dev+0xe2/0x170 [ 8458.706287][ T1167] inet6_addr_add+0x12f/0xa40 [ 8458.706287][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8458.706287][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8458.706287][ T1167] netlink_rcv_skb+0x130/0x360 [ 8458.706287][ T1167] netlink_unicast+0x449/0x710 [ 8458.706287][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8458.706287][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8458.706287][ T1167] ___sys_sendmsg+0xee/0x170 [ 8458.706287][ T1167] __sys_sendmsg+0xcd/0x170 [ 8458.706287][ T1167] do_syscall_64+0xc6/0x1e0 [ 8458.706287][ T1167] [ 8458.708494][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8458.708494][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8458.708494][ T1167] ipv6_find_idev+0x102/0x170 [ 8458.708494][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8458.708494][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8458.708494][ T1167] netlink_rcv_skb+0x130/0x360 [ 8458.708494][ T1167] netlink_unicast+0x449/0x710 [ 8458.708494][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8458.708494][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8458.708494][ T1167] ___sys_sendmsg+0xee/0x170 [ 8458.708494][ T1167] __sys_sendmsg+0xcd/0x170 [ 8458.708494][ T1167] do_syscall_64+0xc6/0x1e0 [ 8458.708494][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8458.708494][ T1167] [ 8458.710725][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8458.710725][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8458.710725][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8458.710725][ T1167] ipv6_find_idev+0x102/0x170 [ 8458.710725][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8458.710725][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8458.710725][ T1167] netlink_rcv_skb+0x130/0x360 [ 8458.710725][ T1167] netlink_unicast+0x449/0x710 [ 8458.710725][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8458.710725][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8458.710725][ T1167] ___sys_sendmsg+0xee/0x170 [ 8458.710725][ T1167] __sys_sendmsg+0xcd/0x170 [ 8458.710725][ T1167] do_syscall_64+0xc6/0x1e0 [ 8458.710725][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8458.710725][ T1167] [ 8468.425106][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8468.425469][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8468.425469][ T10] netdev_get_by_index+0x5e/0x80 [ 8468.425469][ T10] fib6_nh_init+0x3d8/0x1580 [ 8468.425469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8468.425469][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8468.425469][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8468.425469][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8468.425469][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8468.425469][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8468.425469][ T10] addrconf_dad_begin+0x310/0x670 [ 8468.425469][ T10] addrconf_dad_work+0x10b/0xab0 [ 8468.425469][ T10] process_one_work+0x84d/0x18a0 [ 8468.425469][ T10] worker_thread+0x587/0xd30 [ 8468.425469][ T10] kthread+0x28a/0x350 [ 8468.425469][ T10] ret_from_fork+0x31/0x70 [ 8468.425469][ T10] ret_from_fork_asm+0x1a/0x30 [ 8468.425469][ T10] [ 8468.427424][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8468.427424][ T10] netdev_get_by_index+0x5e/0x80 [ 8468.427424][ T10] fib6_nh_init+0x3d8/0x1580 [ 8468.427424][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8468.427424][ T10] ip6_route_add+0x1c/0x140 [ 8468.427424][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8468.427424][ T10] inet6_addr_add+0x4f8/0xa40 [ 8468.427424][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8468.427424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8468.427424][ T10] netlink_rcv_skb+0x130/0x360 [ 8468.427424][ T10] netlink_unicast+0x449/0x710 [ 8468.427424][ T10] netlink_sendmsg+0x723/0xbe0 [ 8468.427424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8468.427424][ T10] ___sys_sendmsg+0xee/0x170 [ 8468.427424][ T10] __sys_sendmsg+0xcd/0x170 [ 8468.427424][ T10] do_syscall_64+0xc6/0x1e0 [ 8468.427424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8468.427424][ T10] [ 8468.429450][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8468.429450][ T10] netdev_get_by_index+0x5e/0x80 [ 8468.429450][ T10] fib6_nh_init+0x3d8/0x1580 [ 8468.429450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8468.429450][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8468.429450][ T10] ipv6_add_addr+0x411/0x2000 [ 8468.429450][ T10] inet6_addr_add+0x30e/0xa40 [ 8468.429450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8468.429450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8468.429450][ T10] netlink_rcv_skb+0x130/0x360 [ 8468.429450][ T10] netlink_unicast+0x449/0x710 [ 8468.429450][ T10] netlink_sendmsg+0x723/0xbe0 [ 8468.429450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8468.429450][ T10] ___sys_sendmsg+0xee/0x170 [ 8468.429450][ T10] __sys_sendmsg+0xcd/0x170 [ 8468.429450][ T10] do_syscall_64+0xc6/0x1e0 [ 8468.429450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8468.429450][ T10] [ 8468.431474][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8468.431474][ T10] netdev_get_by_index+0x5e/0x80 [ 8468.431474][ T10] fib6_nh_init+0x3d8/0x1580 [ 8468.431474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8468.431474][ T10] ip6_route_add+0x1c/0x140 [ 8468.431474][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8468.431474][ T10] addrconf_add_dev+0xe2/0x170 [ 8468.431474][ T10] inet6_addr_add+0x12f/0xa40 [ 8468.431474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8468.431474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8468.431474][ T10] netlink_rcv_skb+0x130/0x360 [ 8468.431474][ T10] netlink_unicast+0x449/0x710 [ 8468.431474][ T10] netlink_sendmsg+0x723/0xbe0 [ 8468.431474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8468.431474][ T10] ___sys_sendmsg+0xee/0x170 [ 8468.431474][ T10] __sys_sendmsg+0xcd/0x170 [ 8468.431474][ T10] do_syscall_64+0xc6/0x1e0 [ 8468.431474][ T10] [ 8468.433452][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8468.433452][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8468.433452][ T10] ipv6_find_idev+0x102/0x170 [ 8468.433452][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8468.433452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8468.433452][ T10] netlink_rcv_skb+0x130/0x360 [ 8468.433452][ T10] netlink_unicast+0x449/0x710 [ 8468.433452][ T10] netlink_sendmsg+0x723/0xbe0 [ 8468.433452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8468.433452][ T10] ___sys_sendmsg+0xee/0x170 [ 8468.433452][ T10] __sys_sendmsg+0xcd/0x170 [ 8468.433452][ T10] do_syscall_64+0xc6/0x1e0 [ 8468.433452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8468.433452][ T10] [ 8468.435000][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8468.435000][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8468.435000][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8468.435000][ T10] ipv6_find_idev+0x102/0x170 [ 8468.435000][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8468.435000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8468.435000][ T10] netlink_rcv_skb+0x130/0x360 [ 8468.435000][ T10] netlink_unicast+0x449/0x710 [ 8468.435000][ T10] netlink_sendmsg+0x723/0xbe0 [ 8468.435000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8468.435000][ T10] ___sys_sendmsg+0xee/0x170 [ 8468.435000][ T10] __sys_sendmsg+0xcd/0x170 [ 8468.435000][ T10] do_syscall_64+0xc6/0x1e0 [ 8468.435000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8468.435000][ T10] [ 8468.436709][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8468.436967][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8468.436967][ T10] netdev_get_by_index+0x5e/0x80 [ 8468.436967][ T10] fib6_nh_init+0x3d8/0x1580 [ 8468.436967][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8468.436967][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8468.436967][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8468.436967][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8468.436967][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8468.436967][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8468.436967][ T10] addrconf_dad_begin+0x310/0x670 [ 8468.436967][ T10] addrconf_dad_work+0x10b/0xab0 [ 8468.436967][ T10] process_one_work+0x84d/0x18a0 [ 8468.436967][ T10] worker_thread+0x587/0xd30 [ 8468.436967][ T10] kthread+0x28a/0x350 [ 8468.436967][ T10] ret_from_fork+0x31/0x70 [ 8468.436967][ T10] ret_from_fork_asm+0x1a/0x30 [ 8468.436967][ T10] [ 8468.438893][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8468.438893][ T10] netdev_get_by_index+0x5e/0x80 [ 8468.438893][ T10] fib6_nh_init+0x3d8/0x1580 [ 8468.438893][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8468.438893][ T10] ip6_route_add+0x1c/0x140 [ 8468.438893][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8468.438893][ T10] inet6_addr_add+0x4f8/0xa40 [ 8468.438893][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8468.438893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8468.438893][ T10] netlink_rcv_skb+0x130/0x360 [ 8468.438893][ T10] netlink_unicast+0x449/0x710 [ 8468.438893][ T10] netlink_sendmsg+0x723/0xbe0 [ 8468.438893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8468.438893][ T10] ___sys_sendmsg+0xee/0x170 [ 8468.438893][ T10] __sys_sendmsg+0xcd/0x170 [ 8468.438893][ T10] do_syscall_64+0xc6/0x1e0 [ 8468.438893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8468.438893][ T10] [ 8468.440912][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8468.440912][ T10] netdev_get_by_index+0x5e/0x80 [ 8468.440912][ T10] fib6_nh_init+0x3d8/0x1580 [ 8468.440912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8468.440912][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8468.440912][ T10] ipv6_add_addr+0x411/0x2000 [ 8468.440912][ T10] inet6_addr_add+0x30e/0xa40 [ 8468.440912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8468.440912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8468.440912][ T10] netlink_rcv_skb+0x130/0x360 [ 8468.440912][ T10] netlink_unicast+0x449/0x710 [ 8468.440912][ T10] netlink_sendmsg+0x723/0xbe0 [ 8468.440912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8468.440912][ T10] ___sys_sendmsg+0xee/0x170 [ 8468.440912][ T10] __sys_sendmsg+0xcd/0x170 [ 8468.440912][ T10] do_syscall_64+0xc6/0x1e0 [ 8468.440912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8468.440912][ T10] [ 8468.442930][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8468.442930][ T10] netdev_get_by_index+0x5e/0x80 [ 8468.442930][ T10] fib6_nh_init+0x3d8/0x1580 [ 8468.442930][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8468.442930][ T10] ip6_route_add+0x1c/0x140 [ 8468.442930][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8468.442930][ T10] addrconf_add_dev+0xe2/0x170 [ 8468.442930][ T10] inet6_addr_add+0x12f/0xa40 [ 8468.442930][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8468.442930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8468.442930][ T10] netlink_rcv_skb+0x130/0x360 [ 8468.442930][ T10] netlink_unicast+0x449/0x710 [ 8468.442930][ T10] netlink_sendmsg+0x723/0xbe0 [ 8468.442930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8468.442930][ T10] ___sys_sendmsg+0xee/0x170 [ 8468.442930][ T10] __sys_sendmsg+0xcd/0x170 [ 8468.442930][ T10] do_syscall_64+0xc6/0x1e0 [ 8468.442930][ T10] [ 8468.444911][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8468.444911][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8468.444911][ T10] ipv6_find_idev+0x102/0x170 [ 8468.444911][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8468.444911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8468.444911][ T10] netlink_rcv_skb+0x130/0x360 [ 8468.444911][ T10] netlink_unicast+0x449/0x710 [ 8468.444911][ T10] netlink_sendmsg+0x723/0xbe0 [ 8468.444911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8468.444911][ T10] ___sys_sendmsg+0xee/0x170 [ 8468.444911][ T10] __sys_sendmsg+0xcd/0x170 [ 8468.444911][ T10] do_syscall_64+0xc6/0x1e0 [ 8468.444911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8468.444911][ T10] [ 8468.446465][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8468.446465][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8468.446465][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8468.446465][ T10] ipv6_find_idev+0x102/0x170 [ 8468.446465][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8468.446465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8468.446465][ T10] netlink_rcv_skb+0x130/0x360 [ 8468.446465][ T10] netlink_unicast+0x449/0x710 [ 8468.446465][ T10] netlink_sendmsg+0x723/0xbe0 [ 8468.446465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8468.446465][ T10] ___sys_sendmsg+0xee/0x170 [ 8468.446465][ T10] __sys_sendmsg+0xcd/0x170 [ 8468.446465][ T10] do_syscall_64+0xc6/0x1e0 [ 8468.446465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8468.446465][ T10] [ 8468.448162][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8468.448411][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8468.448411][ T10] netdev_get_by_index+0x5e/0x80 [ 8468.448411][ T10] fib6_nh_init+0x3d8/0x1580 [ 8468.448411][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8468.448411][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8468.448411][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8468.448411][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8468.448411][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8468.448411][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8468.448411][ T10] addrconf_dad_begin+0x310/0x670 [ 8468.448411][ T10] addrconf_dad_work+0x10b/0xab0 [ 8468.448411][ T10] process_one_work+0x84d/0x18a0 [ 8468.448411][ T10] worker_thread+0x587/0xd30 [ 8468.448411][ T10] kthread+0x28a/0x350 [ 8468.448411][ T10] ret_from_fork+0x31/0x70 [ 8468.448411][ T10] ret_from_fork_asm+0x1a/0x30 [ 8468.448411][ T10] [ 8468.450337][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8468.450337][ T10] netdev_get_by_index+0x5e/0x80 [ 8468.450337][ T10] fib6_nh_init+0x3d8/0x1580 [ 8468.450337][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8468.450337][ T10] ip6_route_add+0x1c/0x140 [ 8468.450337][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8468.450337][ T10] inet6_addr_add+0x4f8/0xa40 [ 8468.450337][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8468.450337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8468.450337][ T10] netlink_rcv_skb+0x130/0x360 [ 8468.450337][ T10] netlink_unicast+0x449/0x710 [ 8468.450337][ T10] netlink_sendmsg+0x723/0xbe0 [ 8468.450337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8468.450337][ T10] ___sys_sendmsg+0xee/0x170 [ 8468.450337][ T10] __sys_sendmsg+0xcd/0x170 [ 8468.450337][ T10] do_syscall_64+0xc6/0x1e0 [ 8468.450337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8468.450337][ T10] [ 8468.452540][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8468.452540][ T10] netdev_get_by_index+0x5e/0x80 [ 8468.452540][ T10] fib6_nh_init+0x3d8/0x1580 [ 8468.452540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8468.452540][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8468.452540][ T10] ipv6_add_addr+0x411/0x2000 [ 8468.452540][ T10] inet6_addr_add+0x30e/0xa40 [ 8468.452540][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8468.452540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8468.452540][ T10] netlink_rcv_skb+0x130/0x360 [ 8468.452540][ T10] netlink_unicast+0x449/0x710 [ 8468.452540][ T10] netlink_sendmsg+0x723/0xbe0 [ 8468.452540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8468.452540][ T10] ___sys_sendmsg+0xee/0x170 [ 8468.452540][ T10] __sys_sendmsg+0xcd/0x170 [ 8468.452540][ T10] do_syscall_64+0xc6/0x1e0 [ 8468.452540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8468.452540][ T10] [ 8468.454851][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8468.454851][ T10] netdev_get_by_index+0x5e/0x80 [ 8468.454851][ T10] fib6_nh_init+0x3d8/0x1580 [ 8468.454851][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8468.454851][ T10] ip6_route_add+0x1c/0x140 [ 8468.454851][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8468.454851][ T10] addrconf_add_dev+0xe2/0x170 [ 8468.454851][ T10] inet6_addr_add+0x12f/0xa40 [ 8468.454851][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8468.454851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8468.454851][ T10] netlink_rcv_skb+0x130/0x360 [ 8468.454851][ T10] netlink_unicast+0x449/0x710 [ 8468.454851][ T10] netlink_sendmsg+0x723/0xbe0 [ 8468.454851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8468.454851][ T10] ___sys_sendmsg+0xee/0x170 [ 8468.454851][ T10] __sys_sendmsg+0xcd/0x170 [ 8468.454851][ T10] do_syscall_64+0xc6/0x1e0 [ 8468.454851][ T10] [ 8468.457020][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8468.457020][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8468.457020][ T10] ipv6_find_idev+0x102/0x170 [ 8468.457020][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8468.457020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8468.457020][ T10] netlink_rcv_skb+0x130/0x360 [ 8468.457020][ T10] netlink_unicast+0x449/0x710 [ 8468.457020][ T10] netlink_sendmsg+0x723/0xbe0 [ 8468.457020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8468.457020][ T10] ___sys_sendmsg+0xee/0x170 [ 8468.457020][ T10] __sys_sendmsg+0xcd/0x170 [ 8468.457020][ T10] do_syscall_64+0xc6/0x1e0 [ 8468.457020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8468.457020][ T10] [ 8468.458755][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8468.458755][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8468.458755][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8468.458755][ T10] ipv6_find_idev+0x102/0x170 [ 8468.458755][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8468.458755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8468.458755][ T10] netlink_rcv_skb+0x130/0x360 [ 8468.458755][ T10] netlink_unicast+0x449/0x710 [ 8468.458755][ T10] netlink_sendmsg+0x723/0xbe0 [ 8468.458755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8468.458755][ T10] ___sys_sendmsg+0xee/0x170 [ 8468.458755][ T10] __sys_sendmsg+0xcd/0x170 [ 8468.458755][ T10] do_syscall_64+0xc6/0x1e0 [ 8468.458755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8468.458755][ T10] [ 8468.460679][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8468.460920][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8468.460920][ T10] netdev_get_by_index+0x5e/0x80 [ 8468.460920][ T10] fib6_nh_init+0x3d8/0x1580 [ 8468.460920][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8468.460920][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8468.460920][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8468.460920][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8468.460920][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8468.460920][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8468.460920][ T10] addrconf_dad_begin+0x310/0x670 [ 8468.460920][ T10] addrconf_dad_work+0x10b/0xab0 [ 8468.460920][ T10] process_one_work+0x84d/0x18a0 [ 8468.460920][ T10] worker_thread+0x587/0xd30 [ 8468.460920][ T10] kthread+0x28a/0x350 [ 8468.460920][ T10] ret_from_fork+0x31/0x70 [ 8468.460920][ T10] ret_from_fork_asm+0x1a/0x30 [ 8468.460920][ T10] [ 8468.463143][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8468.463143][ T10] netdev_get_by_index+0x5e/0x80 [ 8468.463143][ T10] fib6_nh_init+0x3d8/0x1580 [ 8468.463143][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8468.463143][ T10] ip6_route_add+0x1c/0x140 [ 8468.463143][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8468.463143][ T10] inet6_addr_add+0x4f8/0xa40 [ 8468.463143][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8468.463143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8468.463143][ T10] netlink_rcv_skb+0x130/0x360 [ 8468.463143][ T10] netlink_unicast+0x449/0x710 [ 8468.463143][ T10] netlink_sendmsg+0x723/0xbe0 [ 8468.463143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8468.463143][ T10] ___sys_sendmsg+0xee/0x170 [ 8468.463143][ T10] __sys_sendmsg+0xcd/0x170 [ 8468.463143][ T10] do_syscall_64+0xc6/0x1e0 [ 8468.463143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8468.463143][ T10] [ 8468.465330][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8468.465330][ T10] netdev_get_by_index+0x5e/0x80 [ 8468.465330][ T10] fib6_nh_init+0x3d8/0x1580 [ 8468.465330][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8468.465330][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8468.465330][ T10] ipv6_add_addr+0x411/0x2000 [ 8468.465330][ T10] inet6_addr_add+0x30e/0xa40 [ 8468.465330][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8468.465330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8468.465330][ T10] netlink_rcv_skb+0x130/0x360 [ 8468.465330][ T10] netlink_unicast+0x449/0x710 [ 8468.465330][ T10] netlink_sendmsg+0x723/0xbe0 [ 8468.465330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8468.465330][ T10] ___sys_sendmsg+0xee/0x170 [ 8468.465330][ T10] __sys_sendmsg+0xcd/0x170 [ 8468.465330][ T10] do_syscall_64+0xc6/0x1e0 [ 8468.465330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8468.465330][ T10] [ 8468.467577][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8468.467577][ T10] netdev_get_by_index+0x5e/0x80 [ 8468.467577][ T10] fib6_nh_init+0x3d8/0x1580 [ 8468.467577][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8468.467577][ T10] ip6_route_add+0x1c/0x140 [ 8468.467577][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8468.467577][ T10] addrconf_add_dev+0xe2/0x170 [ 8468.467577][ T10] inet6_addr_add+0x12f/0xa40 [ 8468.467577][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8468.467577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8468.467577][ T10] netlink_rcv_skb+0x130/0x360 [ 8468.467577][ T10] netlink_unicast+0x449/0x710 [ 8468.467577][ T10] netlink_sendmsg+0x723/0xbe0 [ 8468.467577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8468.467577][ T10] ___sys_sendmsg+0xee/0x170 [ 8468.467577][ T10] __sys_sendmsg+0xcd/0x170 [ 8468.467577][ T10] do_syscall_64+0xc6/0x1e0 [ 8468.467577][ T10] [ 8468.469795][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8468.469795][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8468.469795][ T10] ipv6_find_idev+0x102/0x170 [ 8468.469795][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8468.469795][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8468.469795][ T10] netlink_rcv_skb+0x130/0x360 [ 8468.469795][ T10] netlink_unicast+0x449/0x710 [ 8468.469795][ T10] netlink_sendmsg+0x723/0xbe0 [ 8468.469795][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8468.469795][ T10] ___sys_sendmsg+0xee/0x170 [ 8468.469795][ T10] __sys_sendmsg+0xcd/0x170 [ 8468.469795][ T10] do_syscall_64+0xc6/0x1e0 [ 8468.469795][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8468.469795][ T10] [ 8468.471518][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8468.471518][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8468.471518][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8468.471518][ T10] ipv6_find_idev+0x102/0x170 [ 8468.471518][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8468.471518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8468.471518][ T10] netlink_rcv_skb+0x130/0x360 [ 8468.471518][ T10] netlink_unicast+0x449/0x710 [ 8468.471518][ T10] netlink_sendmsg+0x723/0xbe0 [ 8468.471518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8468.471518][ T10] ___sys_sendmsg+0xee/0x170 [ 8468.471518][ T10] __sys_sendmsg+0xcd/0x170 [ 8468.471518][ T10] do_syscall_64+0xc6/0x1e0 [ 8468.471518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8468.471518][ T10] [ 8468.961131][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8468.961509][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8468.961509][ T1167] dst_init+0x84/0x4a0 [ 8468.961509][ T1167] dst_alloc+0x97/0x150 [ 8468.961509][ T1167] ip6_dst_alloc+0x23/0x90 [ 8468.961509][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8468.961509][ T1167] ip6_pol_route+0x56f/0x840 [ 8468.961509][ T1167] fib6_rule_lookup+0x334/0x630 [ 8468.961509][ T1167] ip6_route_output_flags+0x259/0x480 [ 8468.961509][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8468.961509][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8468.961509][ T1167] netlink_rcv_skb+0x130/0x360 [ 8468.961509][ T1167] netlink_unicast+0x449/0x710 [ 8468.961509][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8468.961509][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8468.961509][ T1167] ___sys_sendmsg+0xee/0x170 [ 8468.961509][ T1167] __sys_sendmsg+0xcd/0x170 [ 8468.961509][ T1167] do_syscall_64+0xc6/0x1e0 [ 8468.961509][ T1167] [ 8468.963705][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8468.963705][ T1167] netdev_get_by_index+0x5e/0x80 [ 8468.963705][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8468.963705][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8468.963705][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8468.963705][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8468.963705][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8468.963705][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8468.963705][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8468.963705][ T1167] addrconf_dad_begin+0x310/0x670 [ 8468.963705][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8468.963705][ T1167] process_one_work+0x84d/0x18a0 [ 8468.963705][ T1167] worker_thread+0x587/0xd30 [ 8468.963705][ T1167] kthread+0x28a/0x350 [ 8468.963705][ T1167] ret_from_fork+0x31/0x70 [ 8468.963705][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8468.963705][ T1167] [ 8468.965845][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8468.965845][ T1167] netdev_get_by_index+0x5e/0x80 [ 8468.965845][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8468.965845][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8468.965845][ T1167] ip6_route_add+0x1c/0x140 [ 8468.965845][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8468.965845][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8468.965845][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8468.965845][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8468.965845][ T1167] netlink_rcv_skb+0x130/0x360 [ 8468.965845][ T1167] netlink_unicast+0x449/0x710 [ 8468.965845][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8468.965845][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8468.965845][ T1167] ___sys_sendmsg+0xee/0x170 [ 8468.965845][ T1167] __sys_sendmsg+0xcd/0x170 [ 8468.965845][ T1167] do_syscall_64+0xc6/0x1e0 [ 8468.965845][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8468.965845][ T1167] [ 8468.968078][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8468.968078][ T1167] netdev_get_by_index+0x5e/0x80 [ 8468.968078][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8468.968078][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8468.968078][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8468.968078][ T1167] ipv6_add_addr+0x411/0x2000 [ 8468.968078][ T1167] inet6_addr_add+0x30e/0xa40 [ 8468.968078][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8468.968078][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8468.968078][ T1167] netlink_rcv_skb+0x130/0x360 [ 8468.968078][ T1167] netlink_unicast+0x449/0x710 [ 8468.968078][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8468.968078][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8468.968078][ T1167] ___sys_sendmsg+0xee/0x170 [ 8468.968078][ T1167] __sys_sendmsg+0xcd/0x170 [ 8468.968078][ T1167] do_syscall_64+0xc6/0x1e0 [ 8468.968078][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8468.968078][ T1167] [ 8468.970327][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8468.970327][ T1167] netdev_get_by_index+0x5e/0x80 [ 8468.970327][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8468.970327][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8468.970327][ T1167] ip6_route_add+0x1c/0x140 [ 8468.970327][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8468.970327][ T1167] addrconf_add_dev+0xe2/0x170 [ 8468.970327][ T1167] inet6_addr_add+0x12f/0xa40 [ 8468.970327][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8468.970327][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8468.970327][ T1167] netlink_rcv_skb+0x130/0x360 [ 8468.970327][ T1167] netlink_unicast+0x449/0x710 [ 8468.970327][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8468.970327][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8468.970327][ T1167] ___sys_sendmsg+0xee/0x170 [ 8468.970327][ T1167] __sys_sendmsg+0xcd/0x170 [ 8468.970327][ T1167] do_syscall_64+0xc6/0x1e0 [ 8468.970327][ T1167] [ 8468.972522][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8468.972522][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8468.972522][ T1167] ipv6_find_idev+0x102/0x170 [ 8468.972522][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8468.972522][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8468.972522][ T1167] netlink_rcv_skb+0x130/0x360 [ 8468.972522][ T1167] netlink_unicast+0x449/0x710 [ 8468.972522][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8468.972522][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8468.972522][ T1167] ___sys_sendmsg+0xee/0x170 [ 8468.972522][ T1167] __sys_sendmsg+0xcd/0x170 [ 8468.972522][ T1167] do_syscall_64+0xc6/0x1e0 [ 8468.972522][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8468.972522][ T1167] [ 8468.974241][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8468.974241][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8468.974241][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8468.974241][ T1167] ipv6_find_idev+0x102/0x170 [ 8468.974241][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8468.974241][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8468.974241][ T1167] netlink_rcv_skb+0x130/0x360 [ 8468.974241][ T1167] netlink_unicast+0x449/0x710 [ 8468.974241][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8468.974241][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8468.974241][ T1167] ___sys_sendmsg+0xee/0x170 [ 8468.974241][ T1167] __sys_sendmsg+0xcd/0x170 [ 8468.974241][ T1167] do_syscall_64+0xc6/0x1e0 [ 8468.974241][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8468.974241][ T1167] [ 8478.713115][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8478.713484][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8478.713484][ T10] netdev_get_by_index+0x5e/0x80 [ 8478.713484][ T10] fib6_nh_init+0x3d8/0x1580 [ 8478.713484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8478.713484][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8478.713484][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8478.713484][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8478.713484][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8478.713484][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8478.713484][ T10] addrconf_dad_begin+0x310/0x670 [ 8478.713484][ T10] addrconf_dad_work+0x10b/0xab0 [ 8478.713484][ T10] process_one_work+0x84d/0x18a0 [ 8478.713484][ T10] worker_thread+0x587/0xd30 [ 8478.713484][ T10] kthread+0x28a/0x350 [ 8478.713484][ T10] ret_from_fork+0x31/0x70 [ 8478.713484][ T10] ret_from_fork_asm+0x1a/0x30 [ 8478.713484][ T10] [ 8478.715439][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8478.715439][ T10] netdev_get_by_index+0x5e/0x80 [ 8478.715439][ T10] fib6_nh_init+0x3d8/0x1580 [ 8478.715439][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8478.715439][ T10] ip6_route_add+0x1c/0x140 [ 8478.715439][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8478.715439][ T10] inet6_addr_add+0x4f8/0xa40 [ 8478.715439][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8478.715439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8478.715439][ T10] netlink_rcv_skb+0x130/0x360 [ 8478.715439][ T10] netlink_unicast+0x449/0x710 [ 8478.715439][ T10] netlink_sendmsg+0x723/0xbe0 [ 8478.715439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8478.715439][ T10] ___sys_sendmsg+0xee/0x170 [ 8478.715439][ T10] __sys_sendmsg+0xcd/0x170 [ 8478.715439][ T10] do_syscall_64+0xc6/0x1e0 [ 8478.715439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8478.715439][ T10] [ 8478.717458][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8478.717458][ T10] netdev_get_by_index+0x5e/0x80 [ 8478.717458][ T10] fib6_nh_init+0x3d8/0x1580 [ 8478.717458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8478.717458][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8478.717458][ T10] ipv6_add_addr+0x411/0x2000 [ 8478.717458][ T10] inet6_addr_add+0x30e/0xa40 [ 8478.717458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8478.717458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8478.717458][ T10] netlink_rcv_skb+0x130/0x360 [ 8478.717458][ T10] netlink_unicast+0x449/0x710 [ 8478.717458][ T10] netlink_sendmsg+0x723/0xbe0 [ 8478.717458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8478.717458][ T10] ___sys_sendmsg+0xee/0x170 [ 8478.717458][ T10] __sys_sendmsg+0xcd/0x170 [ 8478.717458][ T10] do_syscall_64+0xc6/0x1e0 [ 8478.717458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8478.717458][ T10] [ 8478.719485][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8478.719485][ T10] netdev_get_by_index+0x5e/0x80 [ 8478.719485][ T10] fib6_nh_init+0x3d8/0x1580 [ 8478.719485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8478.719485][ T10] ip6_route_add+0x1c/0x140 [ 8478.719485][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8478.719485][ T10] addrconf_add_dev+0xe2/0x170 [ 8478.719485][ T10] inet6_addr_add+0x12f/0xa40 [ 8478.719485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8478.719485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8478.719485][ T10] netlink_rcv_skb+0x130/0x360 [ 8478.719485][ T10] netlink_unicast+0x449/0x710 [ 8478.719485][ T10] netlink_sendmsg+0x723/0xbe0 [ 8478.719485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8478.719485][ T10] ___sys_sendmsg+0xee/0x170 [ 8478.719485][ T10] __sys_sendmsg+0xcd/0x170 [ 8478.719485][ T10] do_syscall_64+0xc6/0x1e0 [ 8478.719485][ T10] [ 8478.721467][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8478.721467][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8478.721467][ T10] ipv6_find_idev+0x102/0x170 [ 8478.721467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8478.721467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8478.721467][ T10] netlink_rcv_skb+0x130/0x360 [ 8478.721467][ T10] netlink_unicast+0x449/0x710 [ 8478.721467][ T10] netlink_sendmsg+0x723/0xbe0 [ 8478.721467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8478.721467][ T10] ___sys_sendmsg+0xee/0x170 [ 8478.721467][ T10] __sys_sendmsg+0xcd/0x170 [ 8478.721467][ T10] do_syscall_64+0xc6/0x1e0 [ 8478.721467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8478.721467][ T10] [ 8478.723025][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8478.723025][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8478.723025][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8478.723025][ T10] ipv6_find_idev+0x102/0x170 [ 8478.723025][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8478.723025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8478.723025][ T10] netlink_rcv_skb+0x130/0x360 [ 8478.723025][ T10] netlink_unicast+0x449/0x710 [ 8478.723025][ T10] netlink_sendmsg+0x723/0xbe0 [ 8478.723025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8478.723025][ T10] ___sys_sendmsg+0xee/0x170 [ 8478.723025][ T10] __sys_sendmsg+0xcd/0x170 [ 8478.723025][ T10] do_syscall_64+0xc6/0x1e0 [ 8478.723025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8478.723025][ T10] [ 8478.724738][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8478.724998][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8478.724998][ T10] netdev_get_by_index+0x5e/0x80 [ 8478.724998][ T10] fib6_nh_init+0x3d8/0x1580 [ 8478.724998][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8478.724998][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8478.724998][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8478.724998][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8478.724998][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8478.724998][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8478.724998][ T10] addrconf_dad_begin+0x310/0x670 [ 8478.724998][ T10] addrconf_dad_work+0x10b/0xab0 [ 8478.724998][ T10] process_one_work+0x84d/0x18a0 [ 8478.724998][ T10] worker_thread+0x587/0xd30 [ 8478.724998][ T10] kthread+0x28a/0x350 [ 8478.724998][ T10] ret_from_fork+0x31/0x70 [ 8478.724998][ T10] ret_from_fork_asm+0x1a/0x30 [ 8478.724998][ T10] [ 8478.726918][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8478.726918][ T10] netdev_get_by_index+0x5e/0x80 [ 8478.726918][ T10] fib6_nh_init+0x3d8/0x1580 [ 8478.726918][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8478.726918][ T10] ip6_route_add+0x1c/0x140 [ 8478.726918][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8478.726918][ T10] inet6_addr_add+0x4f8/0xa40 [ 8478.726918][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8478.726918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8478.726918][ T10] netlink_rcv_skb+0x130/0x360 [ 8478.726918][ T10] netlink_unicast+0x449/0x710 [ 8478.726918][ T10] netlink_sendmsg+0x723/0xbe0 [ 8478.726918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8478.726918][ T10] ___sys_sendmsg+0xee/0x170 [ 8478.726918][ T10] __sys_sendmsg+0xcd/0x170 [ 8478.726918][ T10] do_syscall_64+0xc6/0x1e0 [ 8478.726918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8478.726918][ T10] [ 8478.728938][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8478.728938][ T10] netdev_get_by_index+0x5e/0x80 [ 8478.728938][ T10] fib6_nh_init+0x3d8/0x1580 [ 8478.728938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8478.728938][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8478.728938][ T10] ipv6_add_addr+0x411/0x2000 [ 8478.728938][ T10] inet6_addr_add+0x30e/0xa40 [ 8478.728938][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8478.728938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8478.728938][ T10] netlink_rcv_skb+0x130/0x360 [ 8478.728938][ T10] netlink_unicast+0x449/0x710 [ 8478.728938][ T10] netlink_sendmsg+0x723/0xbe0 [ 8478.728938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8478.728938][ T10] ___sys_sendmsg+0xee/0x170 [ 8478.728938][ T10] __sys_sendmsg+0xcd/0x170 [ 8478.728938][ T10] do_syscall_64+0xc6/0x1e0 [ 8478.728938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8478.728938][ T10] [ 8478.730948][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8478.730948][ T10] netdev_get_by_index+0x5e/0x80 [ 8478.730948][ T10] fib6_nh_init+0x3d8/0x1580 [ 8478.730948][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8478.730948][ T10] ip6_route_add+0x1c/0x140 [ 8478.730948][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8478.730948][ T10] addrconf_add_dev+0xe2/0x170 [ 8478.730948][ T10] inet6_addr_add+0x12f/0xa40 [ 8478.730948][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8478.730948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8478.730948][ T10] netlink_rcv_skb+0x130/0x360 [ 8478.730948][ T10] netlink_unicast+0x449/0x710 [ 8478.730948][ T10] netlink_sendmsg+0x723/0xbe0 [ 8478.730948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8478.730948][ T10] ___sys_sendmsg+0xee/0x170 [ 8478.730948][ T10] __sys_sendmsg+0xcd/0x170 [ 8478.730948][ T10] do_syscall_64+0xc6/0x1e0 [ 8478.730948][ T10] [ 8478.732922][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8478.732922][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8478.732922][ T10] ipv6_find_idev+0x102/0x170 [ 8478.732922][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8478.732922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8478.732922][ T10] netlink_rcv_skb+0x130/0x360 [ 8478.732922][ T10] netlink_unicast+0x449/0x710 [ 8478.732922][ T10] netlink_sendmsg+0x723/0xbe0 [ 8478.732922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8478.732922][ T10] ___sys_sendmsg+0xee/0x170 [ 8478.732922][ T10] __sys_sendmsg+0xcd/0x170 [ 8478.732922][ T10] do_syscall_64+0xc6/0x1e0 [ 8478.732922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8478.732922][ T10] [ 8478.734473][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8478.734473][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8478.734473][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8478.734473][ T10] ipv6_find_idev+0x102/0x170 [ 8478.734473][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8478.734473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8478.734473][ T10] netlink_rcv_skb+0x130/0x360 [ 8478.734473][ T10] netlink_unicast+0x449/0x710 [ 8478.734473][ T10] netlink_sendmsg+0x723/0xbe0 [ 8478.734473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8478.734473][ T10] ___sys_sendmsg+0xee/0x170 [ 8478.734473][ T10] __sys_sendmsg+0xcd/0x170 [ 8478.734473][ T10] do_syscall_64+0xc6/0x1e0 [ 8478.734473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8478.734473][ T10] [ 8478.736162][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8478.736403][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8478.736403][ T10] netdev_get_by_index+0x5e/0x80 [ 8478.736403][ T10] fib6_nh_init+0x3d8/0x1580 [ 8478.736403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8478.736403][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8478.736403][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8478.736403][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8478.736403][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8478.736403][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8478.736403][ T10] addrconf_dad_begin+0x310/0x670 [ 8478.736403][ T10] addrconf_dad_work+0x10b/0xab0 [ 8478.736403][ T10] process_one_work+0x84d/0x18a0 [ 8478.736403][ T10] worker_thread+0x587/0xd30 [ 8478.736403][ T10] kthread+0x28a/0x350 [ 8478.736403][ T10] ret_from_fork+0x31/0x70 [ 8478.736403][ T10] ret_from_fork_asm+0x1a/0x30 [ 8478.736403][ T10] [ 8478.738346][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8478.738346][ T10] netdev_get_by_index+0x5e/0x80 [ 8478.738346][ T10] fib6_nh_init+0x3d8/0x1580 [ 8478.738346][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8478.738346][ T10] ip6_route_add+0x1c/0x140 [ 8478.738346][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8478.738346][ T10] inet6_addr_add+0x4f8/0xa40 [ 8478.738346][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8478.738346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8478.738346][ T10] netlink_rcv_skb+0x130/0x360 [ 8478.738346][ T10] netlink_unicast+0x449/0x710 [ 8478.738346][ T10] netlink_sendmsg+0x723/0xbe0 [ 8478.738346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8478.738346][ T10] ___sys_sendmsg+0xee/0x170 [ 8478.738346][ T10] __sys_sendmsg+0xcd/0x170 [ 8478.738346][ T10] do_syscall_64+0xc6/0x1e0 [ 8478.738346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8478.738346][ T10] [ 8478.740549][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8478.740549][ T10] netdev_get_by_index+0x5e/0x80 [ 8478.740549][ T10] fib6_nh_init+0x3d8/0x1580 [ 8478.740549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8478.740549][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8478.740549][ T10] ipv6_add_addr+0x411/0x2000 [ 8478.740549][ T10] inet6_addr_add+0x30e/0xa40 [ 8478.740549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8478.740549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8478.740549][ T10] netlink_rcv_skb+0x130/0x360 [ 8478.740549][ T10] netlink_unicast+0x449/0x710 [ 8478.740549][ T10] netlink_sendmsg+0x723/0xbe0 [ 8478.740549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8478.740549][ T10] ___sys_sendmsg+0xee/0x170 [ 8478.740549][ T10] __sys_sendmsg+0xcd/0x170 [ 8478.740549][ T10] do_syscall_64+0xc6/0x1e0 [ 8478.740549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8478.740549][ T10] [ 8478.742866][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8478.742866][ T10] netdev_get_by_index+0x5e/0x80 [ 8478.742866][ T10] fib6_nh_init+0x3d8/0x1580 [ 8478.742866][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8478.742866][ T10] ip6_route_add+0x1c/0x140 [ 8478.742866][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8478.742866][ T10] addrconf_add_dev+0xe2/0x170 [ 8478.742866][ T10] inet6_addr_add+0x12f/0xa40 [ 8478.742866][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8478.742866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8478.742866][ T10] netlink_rcv_skb+0x130/0x360 [ 8478.742866][ T10] netlink_unicast+0x449/0x710 [ 8478.742866][ T10] netlink_sendmsg+0x723/0xbe0 [ 8478.742866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8478.742866][ T10] ___sys_sendmsg+0xee/0x170 [ 8478.742866][ T10] __sys_sendmsg+0xcd/0x170 [ 8478.742866][ T10] do_syscall_64+0xc6/0x1e0 [ 8478.742866][ T10] [ 8478.745026][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8478.745026][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8478.745026][ T10] ipv6_find_idev+0x102/0x170 [ 8478.745026][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8478.745026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8478.745026][ T10] netlink_rcv_skb+0x130/0x360 [ 8478.745026][ T10] netlink_unicast+0x449/0x710 [ 8478.745026][ T10] netlink_sendmsg+0x723/0xbe0 [ 8478.745026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8478.745026][ T10] ___sys_sendmsg+0xee/0x170 [ 8478.745026][ T10] __sys_sendmsg+0xcd/0x170 [ 8478.745026][ T10] do_syscall_64+0xc6/0x1e0 [ 8478.745026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8478.745026][ T10] [ 8478.746765][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8478.746765][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8478.746765][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8478.746765][ T10] ipv6_find_idev+0x102/0x170 [ 8478.746765][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8478.746765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8478.746765][ T10] netlink_rcv_skb+0x130/0x360 [ 8478.746765][ T10] netlink_unicast+0x449/0x710 [ 8478.746765][ T10] netlink_sendmsg+0x723/0xbe0 [ 8478.746765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8478.746765][ T10] ___sys_sendmsg+0xee/0x170 [ 8478.746765][ T10] __sys_sendmsg+0xcd/0x170 [ 8478.746765][ T10] do_syscall_64+0xc6/0x1e0 [ 8478.746765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8478.746765][ T10] [ 8478.748706][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8478.748952][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8478.748952][ T10] netdev_get_by_index+0x5e/0x80 [ 8478.748952][ T10] fib6_nh_init+0x3d8/0x1580 [ 8478.748952][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8478.748952][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8478.748952][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8478.748952][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8478.748952][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8478.748952][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8478.748952][ T10] addrconf_dad_begin+0x310/0x670 [ 8478.748952][ T10] addrconf_dad_work+0x10b/0xab0 [ 8478.748952][ T10] process_one_work+0x84d/0x18a0 [ 8478.748952][ T10] worker_thread+0x587/0xd30 [ 8478.748952][ T10] kthread+0x28a/0x350 [ 8478.748952][ T10] ret_from_fork+0x31/0x70 [ 8478.748952][ T10] ret_from_fork_asm+0x1a/0x30 [ 8478.748952][ T10] [ 8478.751182][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8478.751182][ T10] netdev_get_by_index+0x5e/0x80 [ 8478.751182][ T10] fib6_nh_init+0x3d8/0x1580 [ 8478.751182][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8478.751182][ T10] ip6_route_add+0x1c/0x140 [ 8478.751182][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8478.751182][ T10] inet6_addr_add+0x4f8/0xa40 [ 8478.751182][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8478.751182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8478.751182][ T10] netlink_rcv_skb+0x130/0x360 [ 8478.751182][ T10] netlink_unicast+0x449/0x710 [ 8478.751182][ T10] netlink_sendmsg+0x723/0xbe0 [ 8478.751182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8478.751182][ T10] ___sys_sendmsg+0xee/0x170 [ 8478.751182][ T10] __sys_sendmsg+0xcd/0x170 [ 8478.751182][ T10] do_syscall_64+0xc6/0x1e0 [ 8478.751182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8478.751182][ T10] [ 8478.753372][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8478.753372][ T10] netdev_get_by_index+0x5e/0x80 [ 8478.753372][ T10] fib6_nh_init+0x3d8/0x1580 [ 8478.753372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8478.753372][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8478.753372][ T10] ipv6_add_addr+0x411/0x2000 [ 8478.753372][ T10] inet6_addr_add+0x30e/0xa40 [ 8478.753372][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8478.753372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8478.753372][ T10] netlink_rcv_skb+0x130/0x360 [ 8478.753372][ T10] netlink_unicast+0x449/0x710 [ 8478.753372][ T10] netlink_sendmsg+0x723/0xbe0 [ 8478.753372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8478.753372][ T10] ___sys_sendmsg+0xee/0x170 [ 8478.753372][ T10] __sys_sendmsg+0xcd/0x170 [ 8478.753372][ T10] do_syscall_64+0xc6/0x1e0 [ 8478.753372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8478.753372][ T10] [ 8478.755631][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8478.755631][ T10] netdev_get_by_index+0x5e/0x80 [ 8478.755631][ T10] fib6_nh_init+0x3d8/0x1580 [ 8478.755631][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8478.755631][ T10] ip6_route_add+0x1c/0x140 [ 8478.755631][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8478.755631][ T10] addrconf_add_dev+0xe2/0x170 [ 8478.755631][ T10] inet6_addr_add+0x12f/0xa40 [ 8478.755631][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8478.755631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8478.755631][ T10] netlink_rcv_skb+0x130/0x360 [ 8478.755631][ T10] netlink_unicast+0x449/0x710 [ 8478.755631][ T10] netlink_sendmsg+0x723/0xbe0 [ 8478.755631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8478.755631][ T10] ___sys_sendmsg+0xee/0x170 [ 8478.755631][ T10] __sys_sendmsg+0xcd/0x170 [ 8478.755631][ T10] do_syscall_64+0xc6/0x1e0 [ 8478.755631][ T10] [ 8478.757848][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8478.757848][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8478.757848][ T10] ipv6_find_idev+0x102/0x170 [ 8478.757848][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8478.757848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8478.757848][ T10] netlink_rcv_skb+0x130/0x360 [ 8478.757848][ T10] netlink_unicast+0x449/0x710 [ 8478.757848][ T10] netlink_sendmsg+0x723/0xbe0 [ 8478.757848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8478.757848][ T10] ___sys_sendmsg+0xee/0x170 [ 8478.757848][ T10] __sys_sendmsg+0xcd/0x170 [ 8478.757848][ T10] do_syscall_64+0xc6/0x1e0 [ 8478.757848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8478.757848][ T10] [ 8478.759580][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8478.759580][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8478.759580][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8478.759580][ T10] ipv6_find_idev+0x102/0x170 [ 8478.759580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8478.759580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8478.759580][ T10] netlink_rcv_skb+0x130/0x360 [ 8478.759580][ T10] netlink_unicast+0x449/0x710 [ 8478.759580][ T10] netlink_sendmsg+0x723/0xbe0 [ 8478.759580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8478.759580][ T10] ___sys_sendmsg+0xee/0x170 [ 8478.759580][ T10] __sys_sendmsg+0xcd/0x170 [ 8478.759580][ T10] do_syscall_64+0xc6/0x1e0 [ 8478.759580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8478.759580][ T10] [ 8479.217114][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8479.217485][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8479.217485][ T1167] dst_init+0x84/0x4a0 [ 8479.217485][ T1167] dst_alloc+0x97/0x150 [ 8479.217485][ T1167] ip6_dst_alloc+0x23/0x90 [ 8479.217485][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8479.217485][ T1167] ip6_pol_route+0x56f/0x840 [ 8479.217485][ T1167] fib6_rule_lookup+0x334/0x630 [ 8479.217485][ T1167] ip6_route_output_flags+0x259/0x480 [ 8479.217485][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8479.217485][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8479.217485][ T1167] netlink_rcv_skb+0x130/0x360 [ 8479.217485][ T1167] netlink_unicast+0x449/0x710 [ 8479.217485][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8479.217485][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8479.217485][ T1167] ___sys_sendmsg+0xee/0x170 [ 8479.217485][ T1167] __sys_sendmsg+0xcd/0x170 [ 8479.217485][ T1167] do_syscall_64+0xc6/0x1e0 [ 8479.217485][ T1167] [ 8479.219684][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8479.219684][ T1167] netdev_get_by_index+0x5e/0x80 [ 8479.219684][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8479.219684][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8479.219684][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8479.219684][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8479.219684][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8479.219684][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8479.219684][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8479.219684][ T1167] addrconf_dad_begin+0x310/0x670 [ 8479.219684][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8479.219684][ T1167] process_one_work+0x84d/0x18a0 [ 8479.219684][ T1167] worker_thread+0x587/0xd30 [ 8479.219684][ T1167] kthread+0x28a/0x350 [ 8479.219684][ T1167] ret_from_fork+0x31/0x70 [ 8479.219684][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8479.219684][ T1167] [ 8479.221814][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8479.221814][ T1167] netdev_get_by_index+0x5e/0x80 [ 8479.221814][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8479.221814][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8479.221814][ T1167] ip6_route_add+0x1c/0x140 [ 8479.221814][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8479.221814][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8479.221814][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8479.221814][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8479.221814][ T1167] netlink_rcv_skb+0x130/0x360 [ 8479.221814][ T1167] netlink_unicast+0x449/0x710 [ 8479.221814][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8479.221814][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8479.221814][ T1167] ___sys_sendmsg+0xee/0x170 [ 8479.221814][ T1167] __sys_sendmsg+0xcd/0x170 [ 8479.221814][ T1167] do_syscall_64+0xc6/0x1e0 [ 8479.221814][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8479.221814][ T1167] [ 8479.224050][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8479.224050][ T1167] netdev_get_by_index+0x5e/0x80 [ 8479.224050][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8479.224050][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8479.224050][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8479.224050][ T1167] ipv6_add_addr+0x411/0x2000 [ 8479.224050][ T1167] inet6_addr_add+0x30e/0xa40 [ 8479.224050][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8479.224050][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8479.224050][ T1167] netlink_rcv_skb+0x130/0x360 [ 8479.224050][ T1167] netlink_unicast+0x449/0x710 [ 8479.224050][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8479.224050][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8479.224050][ T1167] ___sys_sendmsg+0xee/0x170 [ 8479.224050][ T1167] __sys_sendmsg+0xcd/0x170 [ 8479.224050][ T1167] do_syscall_64+0xc6/0x1e0 [ 8479.224050][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8479.224050][ T1167] [ 8479.226278][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8479.226278][ T1167] netdev_get_by_index+0x5e/0x80 [ 8479.226278][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8479.226278][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8479.226278][ T1167] ip6_route_add+0x1c/0x140 [ 8479.226278][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8479.226278][ T1167] addrconf_add_dev+0xe2/0x170 [ 8479.226278][ T1167] inet6_addr_add+0x12f/0xa40 [ 8479.226278][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8479.226278][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8479.226278][ T1167] netlink_rcv_skb+0x130/0x360 [ 8479.226278][ T1167] netlink_unicast+0x449/0x710 [ 8479.226278][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8479.226278][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8479.226278][ T1167] ___sys_sendmsg+0xee/0x170 [ 8479.226278][ T1167] __sys_sendmsg+0xcd/0x170 [ 8479.226278][ T1167] do_syscall_64+0xc6/0x1e0 [ 8479.226278][ T1167] [ 8479.228479][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8479.228479][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8479.228479][ T1167] ipv6_find_idev+0x102/0x170 [ 8479.228479][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8479.228479][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8479.228479][ T1167] netlink_rcv_skb+0x130/0x360 [ 8479.228479][ T1167] netlink_unicast+0x449/0x710 [ 8479.228479][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8479.228479][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8479.228479][ T1167] ___sys_sendmsg+0xee/0x170 [ 8479.228479][ T1167] __sys_sendmsg+0xcd/0x170 [ 8479.228479][ T1167] do_syscall_64+0xc6/0x1e0 [ 8479.228479][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8479.228479][ T1167] [ 8479.230191][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8479.230191][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8479.230191][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8479.230191][ T1167] ipv6_find_idev+0x102/0x170 [ 8479.230191][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8479.230191][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8479.230191][ T1167] netlink_rcv_skb+0x130/0x360 [ 8479.230191][ T1167] netlink_unicast+0x449/0x710 [ 8479.230191][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8479.230191][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8479.230191][ T1167] ___sys_sendmsg+0xee/0x170 [ 8479.230191][ T1167] __sys_sendmsg+0xcd/0x170 [ 8479.230191][ T1167] do_syscall_64+0xc6/0x1e0 [ 8479.230191][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8479.230191][ T1167] [ 8488.793106][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8488.793523][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8488.793523][ T10] netdev_get_by_index+0x5e/0x80 [ 8488.793523][ T10] fib6_nh_init+0x3d8/0x1580 [ 8488.793523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8488.793523][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8488.793523][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8488.793523][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8488.793523][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8488.793523][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8488.793523][ T10] addrconf_dad_begin+0x310/0x670 [ 8488.793523][ T10] addrconf_dad_work+0x10b/0xab0 [ 8488.793523][ T10] process_one_work+0x84d/0x18a0 [ 8488.793523][ T10] worker_thread+0x587/0xd30 [ 8488.793523][ T10] kthread+0x28a/0x350 [ 8488.793523][ T10] ret_from_fork+0x31/0x70 [ 8488.793523][ T10] ret_from_fork_asm+0x1a/0x30 [ 8488.793523][ T10] [ 8488.795590][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8488.795590][ T10] netdev_get_by_index+0x5e/0x80 [ 8488.795590][ T10] fib6_nh_init+0x3d8/0x1580 [ 8488.795590][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8488.795590][ T10] ip6_route_add+0x1c/0x140 [ 8488.795590][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8488.795590][ T10] inet6_addr_add+0x4f8/0xa40 [ 8488.795590][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8488.795590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8488.795590][ T10] netlink_rcv_skb+0x130/0x360 [ 8488.795590][ T10] netlink_unicast+0x449/0x710 [ 8488.795590][ T10] netlink_sendmsg+0x723/0xbe0 [ 8488.795590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8488.795590][ T10] ___sys_sendmsg+0xee/0x170 [ 8488.795590][ T10] __sys_sendmsg+0xcd/0x170 [ 8488.795590][ T10] do_syscall_64+0xc6/0x1e0 [ 8488.795590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8488.795590][ T10] [ 8488.797697][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8488.797697][ T10] netdev_get_by_index+0x5e/0x80 [ 8488.797697][ T10] fib6_nh_init+0x3d8/0x1580 [ 8488.797697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8488.797697][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8488.797697][ T10] ipv6_add_addr+0x411/0x2000 [ 8488.797697][ T10] inet6_addr_add+0x30e/0xa40 [ 8488.797697][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8488.797697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8488.797697][ T10] netlink_rcv_skb+0x130/0x360 [ 8488.797697][ T10] netlink_unicast+0x449/0x710 [ 8488.797697][ T10] netlink_sendmsg+0x723/0xbe0 [ 8488.797697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8488.797697][ T10] ___sys_sendmsg+0xee/0x170 [ 8488.797697][ T10] __sys_sendmsg+0xcd/0x170 [ 8488.797697][ T10] do_syscall_64+0xc6/0x1e0 [ 8488.797697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8488.797697][ T10] [ 8488.799816][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8488.799816][ T10] netdev_get_by_index+0x5e/0x80 [ 8488.799816][ T10] fib6_nh_init+0x3d8/0x1580 [ 8488.799816][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8488.799816][ T10] ip6_route_add+0x1c/0x140 [ 8488.799816][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8488.799816][ T10] addrconf_add_dev+0xe2/0x170 [ 8488.799816][ T10] inet6_addr_add+0x12f/0xa40 [ 8488.799816][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8488.799816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8488.799816][ T10] netlink_rcv_skb+0x130/0x360 [ 8488.799816][ T10] netlink_unicast+0x449/0x710 [ 8488.799816][ T10] netlink_sendmsg+0x723/0xbe0 [ 8488.799816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8488.799816][ T10] ___sys_sendmsg+0xee/0x170 [ 8488.799816][ T10] __sys_sendmsg+0xcd/0x170 [ 8488.799816][ T10] do_syscall_64+0xc6/0x1e0 [ 8488.799816][ T10] [ 8488.801889][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8488.801889][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8488.801889][ T10] ipv6_find_idev+0x102/0x170 [ 8488.801889][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8488.801889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8488.801889][ T10] netlink_rcv_skb+0x130/0x360 [ 8488.801889][ T10] netlink_unicast+0x449/0x710 [ 8488.801889][ T10] netlink_sendmsg+0x723/0xbe0 [ 8488.801889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8488.801889][ T10] ___sys_sendmsg+0xee/0x170 [ 8488.801889][ T10] __sys_sendmsg+0xcd/0x170 [ 8488.801889][ T10] do_syscall_64+0xc6/0x1e0 [ 8488.801889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8488.801889][ T10] [ 8488.803504][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8488.803504][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8488.803504][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8488.803504][ T10] ipv6_find_idev+0x102/0x170 [ 8488.803504][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8488.803504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8488.803504][ T10] netlink_rcv_skb+0x130/0x360 [ 8488.803504][ T10] netlink_unicast+0x449/0x710 [ 8488.803504][ T10] netlink_sendmsg+0x723/0xbe0 [ 8488.803504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8488.803504][ T10] ___sys_sendmsg+0xee/0x170 [ 8488.803504][ T10] __sys_sendmsg+0xcd/0x170 [ 8488.803504][ T10] do_syscall_64+0xc6/0x1e0 [ 8488.803504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8488.803504][ T10] [ 8488.805296][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8488.805546][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8488.805546][ T10] netdev_get_by_index+0x5e/0x80 [ 8488.805546][ T10] fib6_nh_init+0x3d8/0x1580 [ 8488.805546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8488.805546][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8488.805546][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8488.805546][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8488.805546][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8488.805546][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8488.805546][ T10] addrconf_dad_begin+0x310/0x670 [ 8488.805546][ T10] addrconf_dad_work+0x10b/0xab0 [ 8488.805546][ T10] process_one_work+0x84d/0x18a0 [ 8488.805546][ T10] worker_thread+0x587/0xd30 [ 8488.805546][ T10] kthread+0x28a/0x350 [ 8488.805546][ T10] ret_from_fork+0x31/0x70 [ 8488.805546][ T10] ret_from_fork_asm+0x1a/0x30 [ 8488.805546][ T10] [ 8488.807549][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8488.807549][ T10] netdev_get_by_index+0x5e/0x80 [ 8488.807549][ T10] fib6_nh_init+0x3d8/0x1580 [ 8488.807549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8488.807549][ T10] ip6_route_add+0x1c/0x140 [ 8488.807549][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8488.807549][ T10] inet6_addr_add+0x4f8/0xa40 [ 8488.807549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8488.807549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8488.807549][ T10] netlink_rcv_skb+0x130/0x360 [ 8488.807549][ T10] netlink_unicast+0x449/0x710 [ 8488.807549][ T10] netlink_sendmsg+0x723/0xbe0 [ 8488.807549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8488.807549][ T10] ___sys_sendmsg+0xee/0x170 [ 8488.807549][ T10] __sys_sendmsg+0xcd/0x170 [ 8488.807549][ T10] do_syscall_64+0xc6/0x1e0 [ 8488.807549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8488.807549][ T10] [ 8488.809658][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8488.809658][ T10] netdev_get_by_index+0x5e/0x80 [ 8488.809658][ T10] fib6_nh_init+0x3d8/0x1580 [ 8488.809658][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8488.809658][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8488.809658][ T10] ipv6_add_addr+0x411/0x2000 [ 8488.809658][ T10] inet6_addr_add+0x30e/0xa40 [ 8488.809658][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8488.809658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8488.809658][ T10] netlink_rcv_skb+0x130/0x360 [ 8488.809658][ T10] netlink_unicast+0x449/0x710 [ 8488.809658][ T10] netlink_sendmsg+0x723/0xbe0 [ 8488.809658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8488.809658][ T10] ___sys_sendmsg+0xee/0x170 [ 8488.809658][ T10] __sys_sendmsg+0xcd/0x170 [ 8488.809658][ T10] do_syscall_64+0xc6/0x1e0 [ 8488.809658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8488.809658][ T10] [ 8488.811757][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8488.811757][ T10] netdev_get_by_index+0x5e/0x80 [ 8488.811757][ T10] fib6_nh_init+0x3d8/0x1580 [ 8488.811757][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8488.811757][ T10] ip6_route_add+0x1c/0x140 [ 8488.811757][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8488.811757][ T10] addrconf_add_dev+0xe2/0x170 [ 8488.811757][ T10] inet6_addr_add+0x12f/0xa40 [ 8488.811757][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8488.811757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8488.811757][ T10] netlink_rcv_skb+0x130/0x360 [ 8488.811757][ T10] netlink_unicast+0x449/0x710 [ 8488.811757][ T10] netlink_sendmsg+0x723/0xbe0 [ 8488.811757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8488.811757][ T10] ___sys_sendmsg+0xee/0x170 [ 8488.811757][ T10] __sys_sendmsg+0xcd/0x170 [ 8488.811757][ T10] do_syscall_64+0xc6/0x1e0 [ 8488.811757][ T10] [ 8488.813818][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8488.813818][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8488.813818][ T10] ipv6_find_idev+0x102/0x170 [ 8488.813818][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8488.813818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8488.813818][ T10] netlink_rcv_skb+0x130/0x360 [ 8488.813818][ T10] netlink_unicast+0x449/0x710 [ 8488.813818][ T10] netlink_sendmsg+0x723/0xbe0 [ 8488.813818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8488.813818][ T10] ___sys_sendmsg+0xee/0x170 [ 8488.813818][ T10] __sys_sendmsg+0xcd/0x170 [ 8488.813818][ T10] do_syscall_64+0xc6/0x1e0 [ 8488.813818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8488.813818][ T10] [ 8488.815433][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8488.815433][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8488.815433][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8488.815433][ T10] ipv6_find_idev+0x102/0x170 [ 8488.815433][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8488.815433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8488.815433][ T10] netlink_rcv_skb+0x130/0x360 [ 8488.815433][ T10] netlink_unicast+0x449/0x710 [ 8488.815433][ T10] netlink_sendmsg+0x723/0xbe0 [ 8488.815433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8488.815433][ T10] ___sys_sendmsg+0xee/0x170 [ 8488.815433][ T10] __sys_sendmsg+0xcd/0x170 [ 8488.815433][ T10] do_syscall_64+0xc6/0x1e0 [ 8488.815433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8488.815433][ T10] [ 8488.817210][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8488.817455][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8488.817455][ T10] netdev_get_by_index+0x5e/0x80 [ 8488.817455][ T10] fib6_nh_init+0x3d8/0x1580 [ 8488.817455][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8488.817455][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8488.817455][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8488.817455][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8488.817455][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8488.817455][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8488.817455][ T10] addrconf_dad_begin+0x310/0x670 [ 8488.817455][ T10] addrconf_dad_work+0x10b/0xab0 [ 8488.817455][ T10] process_one_work+0x84d/0x18a0 [ 8488.817455][ T10] worker_thread+0x587/0xd30 [ 8488.817455][ T10] kthread+0x28a/0x350 [ 8488.817455][ T10] ret_from_fork+0x31/0x70 [ 8488.817455][ T10] ret_from_fork_asm+0x1a/0x30 [ 8488.817455][ T10] [ 8488.819465][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8488.819465][ T10] netdev_get_by_index+0x5e/0x80 [ 8488.819465][ T10] fib6_nh_init+0x3d8/0x1580 [ 8488.819465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8488.819465][ T10] ip6_route_add+0x1c/0x140 [ 8488.819465][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8488.819465][ T10] inet6_addr_add+0x4f8/0xa40 [ 8488.819465][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8488.819465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8488.819465][ T10] netlink_rcv_skb+0x130/0x360 [ 8488.819465][ T10] netlink_unicast+0x449/0x710 [ 8488.819465][ T10] netlink_sendmsg+0x723/0xbe0 [ 8488.819465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8488.819465][ T10] ___sys_sendmsg+0xee/0x170 [ 8488.819465][ T10] __sys_sendmsg+0xcd/0x170 [ 8488.819465][ T10] do_syscall_64+0xc6/0x1e0 [ 8488.819465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8488.819465][ T10] [ 8488.821693][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8488.821693][ T10] netdev_get_by_index+0x5e/0x80 [ 8488.821693][ T10] fib6_nh_init+0x3d8/0x1580 [ 8488.821693][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8488.821693][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8488.821693][ T10] ipv6_add_addr+0x411/0x2000 [ 8488.821693][ T10] inet6_addr_add+0x30e/0xa40 [ 8488.821693][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8488.821693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8488.821693][ T10] netlink_rcv_skb+0x130/0x360 [ 8488.821693][ T10] netlink_unicast+0x449/0x710 [ 8488.821693][ T10] netlink_sendmsg+0x723/0xbe0 [ 8488.821693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8488.821693][ T10] ___sys_sendmsg+0xee/0x170 [ 8488.821693][ T10] __sys_sendmsg+0xcd/0x170 [ 8488.821693][ T10] do_syscall_64+0xc6/0x1e0 [ 8488.821693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8488.821693][ T10] [ 8488.823907][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8488.823907][ T10] netdev_get_by_index+0x5e/0x80 [ 8488.823907][ T10] fib6_nh_init+0x3d8/0x1580 [ 8488.823907][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8488.823907][ T10] ip6_route_add+0x1c/0x140 [ 8488.823907][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8488.823907][ T10] addrconf_add_dev+0xe2/0x170 [ 8488.823907][ T10] inet6_addr_add+0x12f/0xa40 [ 8488.823907][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8488.823907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8488.823907][ T10] netlink_rcv_skb+0x130/0x360 [ 8488.823907][ T10] netlink_unicast+0x449/0x710 [ 8488.823907][ T10] netlink_sendmsg+0x723/0xbe0 [ 8488.823907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8488.823907][ T10] ___sys_sendmsg+0xee/0x170 [ 8488.823907][ T10] __sys_sendmsg+0xcd/0x170 [ 8488.823907][ T10] do_syscall_64+0xc6/0x1e0 [ 8488.823907][ T10] [ 8488.826099][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8488.826099][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8488.826099][ T10] ipv6_find_idev+0x102/0x170 [ 8488.826099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8488.826099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8488.826099][ T10] netlink_rcv_skb+0x130/0x360 [ 8488.826099][ T10] netlink_unicast+0x449/0x710 [ 8488.826099][ T10] netlink_sendmsg+0x723/0xbe0 [ 8488.826099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8488.826099][ T10] ___sys_sendmsg+0xee/0x170 [ 8488.826099][ T10] __sys_sendmsg+0xcd/0x170 [ 8488.826099][ T10] do_syscall_64+0xc6/0x1e0 [ 8488.826099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8488.826099][ T10] [ 8488.827774][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8488.827774][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8488.827774][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8488.827774][ T10] ipv6_find_idev+0x102/0x170 [ 8488.827774][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8488.827774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8488.827774][ T10] netlink_rcv_skb+0x130/0x360 [ 8488.827774][ T10] netlink_unicast+0x449/0x710 [ 8488.827774][ T10] netlink_sendmsg+0x723/0xbe0 [ 8488.827774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8488.827774][ T10] ___sys_sendmsg+0xee/0x170 [ 8488.827774][ T10] __sys_sendmsg+0xcd/0x170 [ 8488.827774][ T10] do_syscall_64+0xc6/0x1e0 [ 8488.827774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8488.827774][ T10] [ 8488.829677][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8488.829941][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8488.829941][ T10] netdev_get_by_index+0x5e/0x80 [ 8488.829941][ T10] fib6_nh_init+0x3d8/0x1580 [ 8488.829941][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8488.829941][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8488.829941][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8488.829941][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8488.829941][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8488.829941][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8488.829941][ T10] addrconf_dad_begin+0x310/0x670 [ 8488.829941][ T10] addrconf_dad_work+0x10b/0xab0 [ 8488.829941][ T10] process_one_work+0x84d/0x18a0 [ 8488.829941][ T10] worker_thread+0x587/0xd30 [ 8488.829941][ T10] kthread+0x28a/0x350 [ 8488.829941][ T10] ret_from_fork+0x31/0x70 [ 8488.829941][ T10] ret_from_fork_asm+0x1a/0x30 [ 8488.829941][ T10] [ 8488.832078][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8488.832078][ T10] netdev_get_by_index+0x5e/0x80 [ 8488.832078][ T10] fib6_nh_init+0x3d8/0x1580 [ 8488.832078][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8488.832078][ T10] ip6_route_add+0x1c/0x140 [ 8488.832078][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8488.832078][ T10] inet6_addr_add+0x4f8/0xa40 [ 8488.832078][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8488.832078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8488.832078][ T10] netlink_rcv_skb+0x130/0x360 [ 8488.832078][ T10] netlink_unicast+0x449/0x710 [ 8488.832078][ T10] netlink_sendmsg+0x723/0xbe0 [ 8488.832078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8488.832078][ T10] ___sys_sendmsg+0xee/0x170 [ 8488.832078][ T10] __sys_sendmsg+0xcd/0x170 [ 8488.832078][ T10] do_syscall_64+0xc6/0x1e0 [ 8488.832078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8488.832078][ T10] [ 8488.834297][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8488.834297][ T10] netdev_get_by_index+0x5e/0x80 [ 8488.834297][ T10] fib6_nh_init+0x3d8/0x1580 [ 8488.834297][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8488.834297][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8488.834297][ T10] ipv6_add_addr+0x411/0x2000 [ 8488.834297][ T10] inet6_addr_add+0x30e/0xa40 [ 8488.834297][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8488.834297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8488.834297][ T10] netlink_rcv_skb+0x130/0x360 [ 8488.834297][ T10] netlink_unicast+0x449/0x710 [ 8488.834297][ T10] netlink_sendmsg+0x723/0xbe0 [ 8488.834297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8488.834297][ T10] ___sys_sendmsg+0xee/0x170 [ 8488.834297][ T10] __sys_sendmsg+0xcd/0x170 [ 8488.834297][ T10] do_syscall_64+0xc6/0x1e0 [ 8488.834297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8488.834297][ T10] [ 8488.836511][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8488.836511][ T10] netdev_get_by_index+0x5e/0x80 [ 8488.836511][ T10] fib6_nh_init+0x3d8/0x1580 [ 8488.836511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8488.836511][ T10] ip6_route_add+0x1c/0x140 [ 8488.836511][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8488.836511][ T10] addrconf_add_dev+0xe2/0x170 [ 8488.836511][ T10] inet6_addr_add+0x12f/0xa40 [ 8488.836511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8488.836511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8488.836511][ T10] netlink_rcv_skb+0x130/0x360 [ 8488.836511][ T10] netlink_unicast+0x449/0x710 [ 8488.836511][ T10] netlink_sendmsg+0x723/0xbe0 [ 8488.836511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8488.836511][ T10] ___sys_sendmsg+0xee/0x170 [ 8488.836511][ T10] __sys_sendmsg+0xcd/0x170 [ 8488.836511][ T10] do_syscall_64+0xc6/0x1e0 [ 8488.836511][ T10] [ 8488.838705][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8488.838705][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8488.838705][ T10] ipv6_find_idev+0x102/0x170 [ 8488.838705][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8488.838705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8488.838705][ T10] netlink_rcv_skb+0x130/0x360 [ 8488.838705][ T10] netlink_unicast+0x449/0x710 [ 8488.838705][ T10] netlink_sendmsg+0x723/0xbe0 [ 8488.838705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8488.838705][ T10] ___sys_sendmsg+0xee/0x170 [ 8488.838705][ T10] __sys_sendmsg+0xcd/0x170 [ 8488.838705][ T10] do_syscall_64+0xc6/0x1e0 [ 8488.838705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8488.838705][ T10] [ 8488.840381][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8488.840381][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8488.840381][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8488.840381][ T10] ipv6_find_idev+0x102/0x170 [ 8488.840381][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8488.840381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8488.840381][ T10] netlink_rcv_skb+0x130/0x360 [ 8488.840381][ T10] netlink_unicast+0x449/0x710 [ 8488.840381][ T10] netlink_sendmsg+0x723/0xbe0 [ 8488.840381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8488.840381][ T10] ___sys_sendmsg+0xee/0x170 [ 8488.840381][ T10] __sys_sendmsg+0xcd/0x170 [ 8488.840381][ T10] do_syscall_64+0xc6/0x1e0 [ 8488.840381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8488.840381][ T10] [ 8489.305102][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8489.305537][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8489.305537][ T1167] dst_init+0x84/0x4a0 [ 8489.305537][ T1167] dst_alloc+0x97/0x150 [ 8489.305537][ T1167] ip6_dst_alloc+0x23/0x90 [ 8489.305537][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8489.305537][ T1167] ip6_pol_route+0x56f/0x840 [ 8489.305537][ T1167] fib6_rule_lookup+0x334/0x630 [ 8489.305537][ T1167] ip6_route_output_flags+0x259/0x480 [ 8489.305537][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8489.305537][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8489.305537][ T1167] netlink_rcv_skb+0x130/0x360 [ 8489.305537][ T1167] netlink_unicast+0x449/0x710 [ 8489.305537][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8489.305537][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8489.305537][ T1167] ___sys_sendmsg+0xee/0x170 [ 8489.305537][ T1167] __sys_sendmsg+0xcd/0x170 [ 8489.305537][ T1167] do_syscall_64+0xc6/0x1e0 [ 8489.305537][ T1167] [ 8489.307812][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8489.307812][ T1167] netdev_get_by_index+0x5e/0x80 [ 8489.307812][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8489.307812][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8489.307812][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8489.307812][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8489.307812][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8489.307812][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8489.307812][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8489.307812][ T1167] addrconf_dad_begin+0x310/0x670 [ 8489.307812][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8489.307812][ T1167] process_one_work+0x84d/0x18a0 [ 8489.307812][ T1167] worker_thread+0x587/0xd30 [ 8489.307812][ T1167] kthread+0x28a/0x350 [ 8489.307812][ T1167] ret_from_fork+0x31/0x70 [ 8489.307812][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8489.307812][ T1167] [ 8489.310034][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8489.310034][ T1167] netdev_get_by_index+0x5e/0x80 [ 8489.310034][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8489.310034][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8489.310034][ T1167] ip6_route_add+0x1c/0x140 [ 8489.310034][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8489.310034][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8489.310034][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8489.310034][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8489.310034][ T1167] netlink_rcv_skb+0x130/0x360 [ 8489.310034][ T1167] netlink_unicast+0x449/0x710 [ 8489.310034][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8489.310034][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8489.310034][ T1167] ___sys_sendmsg+0xee/0x170 [ 8489.310034][ T1167] __sys_sendmsg+0xcd/0x170 [ 8489.310034][ T1167] do_syscall_64+0xc6/0x1e0 [ 8489.310034][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8489.310034][ T1167] [ 8489.312364][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8489.312364][ T1167] netdev_get_by_index+0x5e/0x80 [ 8489.312364][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8489.312364][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8489.312364][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8489.312364][ T1167] ipv6_add_addr+0x411/0x2000 [ 8489.312364][ T1167] inet6_addr_add+0x30e/0xa40 [ 8489.312364][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8489.312364][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8489.312364][ T1167] netlink_rcv_skb+0x130/0x360 [ 8489.312364][ T1167] netlink_unicast+0x449/0x710 [ 8489.312364][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8489.312364][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8489.312364][ T1167] ___sys_sendmsg+0xee/0x170 [ 8489.312364][ T1167] __sys_sendmsg+0xcd/0x170 [ 8489.312364][ T1167] do_syscall_64+0xc6/0x1e0 [ 8489.312364][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8489.312364][ T1167] [ 8489.314696][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8489.314696][ T1167] netdev_get_by_index+0x5e/0x80 [ 8489.314696][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8489.314696][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8489.314696][ T1167] ip6_route_add+0x1c/0x140 [ 8489.314696][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8489.314696][ T1167] addrconf_add_dev+0xe2/0x170 [ 8489.314696][ T1167] inet6_addr_add+0x12f/0xa40 [ 8489.314696][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8489.314696][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8489.314696][ T1167] netlink_rcv_skb+0x130/0x360 [ 8489.314696][ T1167] netlink_unicast+0x449/0x710 [ 8489.314696][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8489.314696][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8489.314696][ T1167] ___sys_sendmsg+0xee/0x170 [ 8489.314696][ T1167] __sys_sendmsg+0xcd/0x170 [ 8489.314696][ T1167] do_syscall_64+0xc6/0x1e0 [ 8489.314696][ T1167] [ 8489.316988][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8489.316988][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8489.316988][ T1167] ipv6_find_idev+0x102/0x170 [ 8489.316988][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8489.316988][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8489.316988][ T1167] netlink_rcv_skb+0x130/0x360 [ 8489.316988][ T1167] netlink_unicast+0x449/0x710 [ 8489.316988][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8489.316988][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8489.316988][ T1167] ___sys_sendmsg+0xee/0x170 [ 8489.316988][ T1167] __sys_sendmsg+0xcd/0x170 [ 8489.316988][ T1167] do_syscall_64+0xc6/0x1e0 [ 8489.316988][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8489.316988][ T1167] [ 8489.318807][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8489.318807][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8489.318807][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8489.318807][ T1167] ipv6_find_idev+0x102/0x170 [ 8489.318807][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8489.318807][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8489.318807][ T1167] netlink_rcv_skb+0x130/0x360 [ 8489.318807][ T1167] netlink_unicast+0x449/0x710 [ 8489.318807][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8489.318807][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8489.318807][ T1167] ___sys_sendmsg+0xee/0x170 [ 8489.318807][ T1167] __sys_sendmsg+0xcd/0x170 [ 8489.318807][ T1167] do_syscall_64+0xc6/0x1e0 [ 8489.318807][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8489.318807][ T1167] [ 8499.081097][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8499.081477][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8499.081477][ T10] netdev_get_by_index+0x5e/0x80 [ 8499.081477][ T10] fib6_nh_init+0x3d8/0x1580 [ 8499.081477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8499.081477][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8499.081477][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8499.081477][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8499.081477][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8499.081477][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8499.081477][ T10] addrconf_dad_begin+0x310/0x670 [ 8499.081477][ T10] addrconf_dad_work+0x10b/0xab0 [ 8499.081477][ T10] process_one_work+0x84d/0x18a0 [ 8499.081477][ T10] worker_thread+0x587/0xd30 [ 8499.081477][ T10] kthread+0x28a/0x350 [ 8499.081477][ T10] ret_from_fork+0x31/0x70 [ 8499.081477][ T10] ret_from_fork_asm+0x1a/0x30 [ 8499.081477][ T10] [ 8499.083508][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8499.083508][ T10] netdev_get_by_index+0x5e/0x80 [ 8499.083508][ T10] fib6_nh_init+0x3d8/0x1580 [ 8499.083508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8499.083508][ T10] ip6_route_add+0x1c/0x140 [ 8499.083508][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8499.083508][ T10] inet6_addr_add+0x4f8/0xa40 [ 8499.083508][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8499.083508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8499.083508][ T10] netlink_rcv_skb+0x130/0x360 [ 8499.083508][ T10] netlink_unicast+0x449/0x710 [ 8499.083508][ T10] netlink_sendmsg+0x723/0xbe0 [ 8499.083508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8499.083508][ T10] ___sys_sendmsg+0xee/0x170 [ 8499.083508][ T10] __sys_sendmsg+0xcd/0x170 [ 8499.083508][ T10] do_syscall_64+0xc6/0x1e0 [ 8499.083508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8499.083508][ T10] [ 8499.085627][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8499.085627][ T10] netdev_get_by_index+0x5e/0x80 [ 8499.085627][ T10] fib6_nh_init+0x3d8/0x1580 [ 8499.085627][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8499.085627][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8499.085627][ T10] ipv6_add_addr+0x411/0x2000 [ 8499.085627][ T10] inet6_addr_add+0x30e/0xa40 [ 8499.085627][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8499.085627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8499.085627][ T10] netlink_rcv_skb+0x130/0x360 [ 8499.085627][ T10] netlink_unicast+0x449/0x710 [ 8499.085627][ T10] netlink_sendmsg+0x723/0xbe0 [ 8499.085627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8499.085627][ T10] ___sys_sendmsg+0xee/0x170 [ 8499.085627][ T10] __sys_sendmsg+0xcd/0x170 [ 8499.085627][ T10] do_syscall_64+0xc6/0x1e0 [ 8499.085627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8499.085627][ T10] [ 8499.088269][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8499.088269][ T10] netdev_get_by_index+0x5e/0x80 [ 8499.088269][ T10] fib6_nh_init+0x3d8/0x1580 [ 8499.088269][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8499.088269][ T10] ip6_route_add+0x1c/0x140 [ 8499.088269][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8499.088269][ T10] addrconf_add_dev+0xe2/0x170 [ 8499.088269][ T10] inet6_addr_add+0x12f/0xa40 [ 8499.088269][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8499.088269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8499.088269][ T10] netlink_rcv_skb+0x130/0x360 [ 8499.088269][ T10] netlink_unicast+0x449/0x710 [ 8499.088269][ T10] netlink_sendmsg+0x723/0xbe0 [ 8499.088269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8499.088269][ T10] ___sys_sendmsg+0xee/0x170 [ 8499.088269][ T10] __sys_sendmsg+0xcd/0x170 [ 8499.088269][ T10] do_syscall_64+0xc6/0x1e0 [ 8499.088269][ T10] [ 8499.090341][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8499.090341][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8499.090341][ T10] ipv6_find_idev+0x102/0x170 [ 8499.090341][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8499.090341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8499.090341][ T10] netlink_rcv_skb+0x130/0x360 [ 8499.090341][ T10] netlink_unicast+0x449/0x710 [ 8499.090341][ T10] netlink_sendmsg+0x723/0xbe0 [ 8499.090341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8499.090341][ T10] ___sys_sendmsg+0xee/0x170 [ 8499.090341][ T10] __sys_sendmsg+0xcd/0x170 [ 8499.090341][ T10] do_syscall_64+0xc6/0x1e0 [ 8499.090341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8499.090341][ T10] [ 8499.091968][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8499.091968][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8499.091968][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8499.091968][ T10] ipv6_find_idev+0x102/0x170 [ 8499.091968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8499.091968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8499.091968][ T10] netlink_rcv_skb+0x130/0x360 [ 8499.091968][ T10] netlink_unicast+0x449/0x710 [ 8499.091968][ T10] netlink_sendmsg+0x723/0xbe0 [ 8499.091968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8499.091968][ T10] ___sys_sendmsg+0xee/0x170 [ 8499.091968][ T10] __sys_sendmsg+0xcd/0x170 [ 8499.091968][ T10] do_syscall_64+0xc6/0x1e0 [ 8499.091968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8499.091968][ T10] [ 8499.093749][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8499.094012][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8499.094012][ T10] netdev_get_by_index+0x5e/0x80 [ 8499.094012][ T10] fib6_nh_init+0x3d8/0x1580 [ 8499.094012][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8499.094012][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8499.094012][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8499.094012][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8499.094012][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8499.094012][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8499.094012][ T10] addrconf_dad_begin+0x310/0x670 [ 8499.094012][ T10] addrconf_dad_work+0x10b/0xab0 [ 8499.094012][ T10] process_one_work+0x84d/0x18a0 [ 8499.094012][ T10] worker_thread+0x587/0xd30 [ 8499.094012][ T10] kthread+0x28a/0x350 [ 8499.094012][ T10] ret_from_fork+0x31/0x70 [ 8499.094012][ T10] ret_from_fork_asm+0x1a/0x30 [ 8499.094012][ T10] [ 8499.096031][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8499.096031][ T10] netdev_get_by_index+0x5e/0x80 [ 8499.096031][ T10] fib6_nh_init+0x3d8/0x1580 [ 8499.096031][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8499.096031][ T10] ip6_route_add+0x1c/0x140 [ 8499.096031][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8499.096031][ T10] inet6_addr_add+0x4f8/0xa40 [ 8499.096031][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8499.096031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8499.096031][ T10] netlink_rcv_skb+0x130/0x360 [ 8499.096031][ T10] netlink_unicast+0x449/0x710 [ 8499.096031][ T10] netlink_sendmsg+0x723/0xbe0 [ 8499.096031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8499.096031][ T10] ___sys_sendmsg+0xee/0x170 [ 8499.096031][ T10] __sys_sendmsg+0xcd/0x170 [ 8499.096031][ T10] do_syscall_64+0xc6/0x1e0 [ 8499.096031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8499.096031][ T10] [ 8499.098129][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8499.098129][ T10] netdev_get_by_index+0x5e/0x80 [ 8499.098129][ T10] fib6_nh_init+0x3d8/0x1580 [ 8499.098129][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8499.098129][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8499.098129][ T10] ipv6_add_addr+0x411/0x2000 [ 8499.098129][ T10] inet6_addr_add+0x30e/0xa40 [ 8499.098129][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8499.098129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8499.098129][ T10] netlink_rcv_skb+0x130/0x360 [ 8499.098129][ T10] netlink_unicast+0x449/0x710 [ 8499.098129][ T10] netlink_sendmsg+0x723/0xbe0 [ 8499.098129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8499.098129][ T10] ___sys_sendmsg+0xee/0x170 [ 8499.098129][ T10] __sys_sendmsg+0xcd/0x170 [ 8499.098129][ T10] do_syscall_64+0xc6/0x1e0 [ 8499.098129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8499.098129][ T10] [ 8499.100235][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8499.100235][ T10] netdev_get_by_index+0x5e/0x80 [ 8499.100235][ T10] fib6_nh_init+0x3d8/0x1580 [ 8499.100235][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8499.100235][ T10] ip6_route_add+0x1c/0x140 [ 8499.100235][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8499.100235][ T10] addrconf_add_dev+0xe2/0x170 [ 8499.100235][ T10] inet6_addr_add+0x12f/0xa40 [ 8499.100235][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8499.100235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8499.100235][ T10] netlink_rcv_skb+0x130/0x360 [ 8499.100235][ T10] netlink_unicast+0x449/0x710 [ 8499.100235][ T10] netlink_sendmsg+0x723/0xbe0 [ 8499.100235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8499.100235][ T10] ___sys_sendmsg+0xee/0x170 [ 8499.100235][ T10] __sys_sendmsg+0xcd/0x170 [ 8499.100235][ T10] do_syscall_64+0xc6/0x1e0 [ 8499.100235][ T10] [ 8499.102298][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8499.102298][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8499.102298][ T10] ipv6_find_idev+0x102/0x170 [ 8499.102298][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8499.102298][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8499.102298][ T10] netlink_rcv_skb+0x130/0x360 [ 8499.102298][ T10] netlink_unicast+0x449/0x710 [ 8499.102298][ T10] netlink_sendmsg+0x723/0xbe0 [ 8499.102298][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8499.102298][ T10] ___sys_sendmsg+0xee/0x170 [ 8499.102298][ T10] __sys_sendmsg+0xcd/0x170 [ 8499.102298][ T10] do_syscall_64+0xc6/0x1e0 [ 8499.102298][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8499.102298][ T10] [ 8499.103917][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8499.103917][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8499.103917][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8499.103917][ T10] ipv6_find_idev+0x102/0x170 [ 8499.103917][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8499.103917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8499.103917][ T10] netlink_rcv_skb+0x130/0x360 [ 8499.103917][ T10] netlink_unicast+0x449/0x710 [ 8499.103917][ T10] netlink_sendmsg+0x723/0xbe0 [ 8499.103917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8499.103917][ T10] ___sys_sendmsg+0xee/0x170 [ 8499.103917][ T10] __sys_sendmsg+0xcd/0x170 [ 8499.103917][ T10] do_syscall_64+0xc6/0x1e0 [ 8499.103917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8499.103917][ T10] [ 8499.105686][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8499.105932][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8499.105932][ T10] netdev_get_by_index+0x5e/0x80 [ 8499.105932][ T10] fib6_nh_init+0x3d8/0x1580 [ 8499.105932][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8499.105932][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8499.105932][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8499.105932][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8499.105932][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8499.105932][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8499.105932][ T10] addrconf_dad_begin+0x310/0x670 [ 8499.105932][ T10] addrconf_dad_work+0x10b/0xab0 [ 8499.105932][ T10] process_one_work+0x84d/0x18a0 [ 8499.105932][ T10] worker_thread+0x587/0xd30 [ 8499.105932][ T10] kthread+0x28a/0x350 [ 8499.105932][ T10] ret_from_fork+0x31/0x70 [ 8499.105932][ T10] ret_from_fork_asm+0x1a/0x30 [ 8499.105932][ T10] [ 8499.107940][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8499.107940][ T10] netdev_get_by_index+0x5e/0x80 [ 8499.107940][ T10] fib6_nh_init+0x3d8/0x1580 [ 8499.107940][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8499.107940][ T10] ip6_route_add+0x1c/0x140 [ 8499.107940][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8499.107940][ T10] inet6_addr_add+0x4f8/0xa40 [ 8499.107940][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8499.107940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8499.107940][ T10] netlink_rcv_skb+0x130/0x360 [ 8499.107940][ T10] netlink_unicast+0x449/0x710 [ 8499.107940][ T10] netlink_sendmsg+0x723/0xbe0 [ 8499.107940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8499.107940][ T10] ___sys_sendmsg+0xee/0x170 [ 8499.107940][ T10] __sys_sendmsg+0xcd/0x170 [ 8499.107940][ T10] do_syscall_64+0xc6/0x1e0 [ 8499.107940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8499.107940][ T10] [ 8499.110229][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8499.110229][ T10] netdev_get_by_index+0x5e/0x80 [ 8499.110229][ T10] fib6_nh_init+0x3d8/0x1580 [ 8499.110229][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8499.110229][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8499.110229][ T10] ipv6_add_addr+0x411/0x2000 [ 8499.110229][ T10] inet6_addr_add+0x30e/0xa40 [ 8499.110229][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8499.110229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8499.110229][ T10] netlink_rcv_skb+0x130/0x360 [ 8499.110229][ T10] netlink_unicast+0x449/0x710 [ 8499.110229][ T10] netlink_sendmsg+0x723/0xbe0 [ 8499.110229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8499.110229][ T10] ___sys_sendmsg+0xee/0x170 [ 8499.110229][ T10] __sys_sendmsg+0xcd/0x170 [ 8499.110229][ T10] do_syscall_64+0xc6/0x1e0 [ 8499.110229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8499.110229][ T10] [ 8499.112571][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8499.112571][ T10] netdev_get_by_index+0x5e/0x80 [ 8499.112571][ T10] fib6_nh_init+0x3d8/0x1580 [ 8499.112571][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8499.112571][ T10] ip6_route_add+0x1c/0x140 [ 8499.112571][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8499.112571][ T10] addrconf_add_dev+0xe2/0x170 [ 8499.112571][ T10] inet6_addr_add+0x12f/0xa40 [ 8499.112571][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8499.112571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8499.112571][ T10] netlink_rcv_skb+0x130/0x360 [ 8499.112571][ T10] netlink_unicast+0x449/0x710 [ 8499.112571][ T10] netlink_sendmsg+0x723/0xbe0 [ 8499.112571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8499.112571][ T10] ___sys_sendmsg+0xee/0x170 [ 8499.112571][ T10] __sys_sendmsg+0xcd/0x170 [ 8499.112571][ T10] do_syscall_64+0xc6/0x1e0 [ 8499.112571][ T10] [ 8499.114810][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8499.114810][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8499.114810][ T10] ipv6_find_idev+0x102/0x170 [ 8499.114810][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8499.114810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8499.114810][ T10] netlink_rcv_skb+0x130/0x360 [ 8499.114810][ T10] netlink_unicast+0x449/0x710 [ 8499.114810][ T10] netlink_sendmsg+0x723/0xbe0 [ 8499.114810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8499.114810][ T10] ___sys_sendmsg+0xee/0x170 [ 8499.114810][ T10] __sys_sendmsg+0xcd/0x170 [ 8499.114810][ T10] do_syscall_64+0xc6/0x1e0 [ 8499.114810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8499.114810][ T10] [ 8499.116612][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8499.116612][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8499.116612][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8499.116612][ T10] ipv6_find_idev+0x102/0x170 [ 8499.116612][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8499.116612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8499.116612][ T10] netlink_rcv_skb+0x130/0x360 [ 8499.116612][ T10] netlink_unicast+0x449/0x710 [ 8499.116612][ T10] netlink_sendmsg+0x723/0xbe0 [ 8499.116612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8499.116612][ T10] ___sys_sendmsg+0xee/0x170 [ 8499.116612][ T10] __sys_sendmsg+0xcd/0x170 [ 8499.116612][ T10] do_syscall_64+0xc6/0x1e0 [ 8499.116612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8499.116612][ T10] [ 8499.118679][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8499.118927][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8499.118927][ T10] netdev_get_by_index+0x5e/0x80 [ 8499.118927][ T10] fib6_nh_init+0x3d8/0x1580 [ 8499.118927][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8499.118927][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8499.118927][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8499.118927][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8499.118927][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8499.118927][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8499.118927][ T10] addrconf_dad_begin+0x310/0x670 [ 8499.118927][ T10] addrconf_dad_work+0x10b/0xab0 [ 8499.118927][ T10] process_one_work+0x84d/0x18a0 [ 8499.118927][ T10] worker_thread+0x587/0xd30 [ 8499.118927][ T10] kthread+0x28a/0x350 [ 8499.118927][ T10] ret_from_fork+0x31/0x70 [ 8499.118927][ T10] ret_from_fork_asm+0x1a/0x30 [ 8499.118927][ T10] [ 8499.121175][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8499.121175][ T10] netdev_get_by_index+0x5e/0x80 [ 8499.121175][ T10] fib6_nh_init+0x3d8/0x1580 [ 8499.121175][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8499.121175][ T10] ip6_route_add+0x1c/0x140 [ 8499.121175][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8499.121175][ T10] inet6_addr_add+0x4f8/0xa40 [ 8499.121175][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8499.121175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8499.121175][ T10] netlink_rcv_skb+0x130/0x360 [ 8499.121175][ T10] netlink_unicast+0x449/0x710 [ 8499.121175][ T10] netlink_sendmsg+0x723/0xbe0 [ 8499.121175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8499.121175][ T10] ___sys_sendmsg+0xee/0x170 [ 8499.121175][ T10] __sys_sendmsg+0xcd/0x170 [ 8499.121175][ T10] do_syscall_64+0xc6/0x1e0 [ 8499.121175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8499.121175][ T10] [ 8499.123463][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8499.123463][ T10] netdev_get_by_index+0x5e/0x80 [ 8499.123463][ T10] fib6_nh_init+0x3d8/0x1580 [ 8499.123463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8499.123463][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8499.123463][ T10] ipv6_add_addr+0x411/0x2000 [ 8499.123463][ T10] inet6_addr_add+0x30e/0xa40 [ 8499.123463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8499.123463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8499.123463][ T10] netlink_rcv_skb+0x130/0x360 [ 8499.123463][ T10] netlink_unicast+0x449/0x710 [ 8499.123463][ T10] netlink_sendmsg+0x723/0xbe0 [ 8499.123463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8499.123463][ T10] ___sys_sendmsg+0xee/0x170 [ 8499.123463][ T10] __sys_sendmsg+0xcd/0x170 [ 8499.123463][ T10] do_syscall_64+0xc6/0x1e0 [ 8499.123463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8499.123463][ T10] [ 8499.125804][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8499.125804][ T10] netdev_get_by_index+0x5e/0x80 [ 8499.125804][ T10] fib6_nh_init+0x3d8/0x1580 [ 8499.125804][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8499.125804][ T10] ip6_route_add+0x1c/0x140 [ 8499.125804][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8499.125804][ T10] addrconf_add_dev+0xe2/0x170 [ 8499.125804][ T10] inet6_addr_add+0x12f/0xa40 [ 8499.125804][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8499.125804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8499.125804][ T10] netlink_rcv_skb+0x130/0x360 [ 8499.125804][ T10] netlink_unicast+0x449/0x710 [ 8499.125804][ T10] netlink_sendmsg+0x723/0xbe0 [ 8499.125804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8499.125804][ T10] ___sys_sendmsg+0xee/0x170 [ 8499.125804][ T10] __sys_sendmsg+0xcd/0x170 [ 8499.125804][ T10] do_syscall_64+0xc6/0x1e0 [ 8499.125804][ T10] [ 8499.128175][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8499.128175][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8499.128175][ T10] ipv6_find_idev+0x102/0x170 [ 8499.128175][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8499.128175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8499.128175][ T10] netlink_rcv_skb+0x130/0x360 [ 8499.128175][ T10] netlink_unicast+0x449/0x710 [ 8499.128175][ T10] netlink_sendmsg+0x723/0xbe0 [ 8499.128175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8499.128175][ T10] ___sys_sendmsg+0xee/0x170 [ 8499.128175][ T10] __sys_sendmsg+0xcd/0x170 [ 8499.128175][ T10] do_syscall_64+0xc6/0x1e0 [ 8499.128175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8499.128175][ T10] [ 8499.129971][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8499.129971][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8499.129971][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8499.129971][ T10] ipv6_find_idev+0x102/0x170 [ 8499.129971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8499.129971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8499.129971][ T10] netlink_rcv_skb+0x130/0x360 [ 8499.129971][ T10] netlink_unicast+0x449/0x710 [ 8499.129971][ T10] netlink_sendmsg+0x723/0xbe0 [ 8499.129971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8499.129971][ T10] ___sys_sendmsg+0xee/0x170 [ 8499.129971][ T10] __sys_sendmsg+0xcd/0x170 [ 8499.129971][ T10] do_syscall_64+0xc6/0x1e0 [ 8499.129971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8499.129971][ T10] [ 8499.561116][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8499.561503][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8499.561503][ T1167] dst_init+0x84/0x4a0 [ 8499.561503][ T1167] dst_alloc+0x97/0x150 [ 8499.561503][ T1167] ip6_dst_alloc+0x23/0x90 [ 8499.561503][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8499.561503][ T1167] ip6_pol_route+0x56f/0x840 [ 8499.561503][ T1167] fib6_rule_lookup+0x334/0x630 [ 8499.561503][ T1167] ip6_route_output_flags+0x259/0x480 [ 8499.561503][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8499.561503][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8499.561503][ T1167] netlink_rcv_skb+0x130/0x360 [ 8499.561503][ T1167] netlink_unicast+0x449/0x710 [ 8499.561503][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8499.561503][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8499.561503][ T1167] ___sys_sendmsg+0xee/0x170 [ 8499.561503][ T1167] __sys_sendmsg+0xcd/0x170 [ 8499.561503][ T1167] do_syscall_64+0xc6/0x1e0 [ 8499.561503][ T1167] [ 8499.563771][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8499.563771][ T1167] netdev_get_by_index+0x5e/0x80 [ 8499.563771][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8499.563771][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8499.563771][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8499.563771][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8499.563771][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8499.563771][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8499.563771][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8499.563771][ T1167] addrconf_dad_begin+0x310/0x670 [ 8499.563771][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8499.563771][ T1167] process_one_work+0x84d/0x18a0 [ 8499.563771][ T1167] worker_thread+0x587/0xd30 [ 8499.563771][ T1167] kthread+0x28a/0x350 [ 8499.563771][ T1167] ret_from_fork+0x31/0x70 [ 8499.563771][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8499.563771][ T1167] [ 8499.565985][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8499.565985][ T1167] netdev_get_by_index+0x5e/0x80 [ 8499.565985][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8499.565985][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8499.565985][ T1167] ip6_route_add+0x1c/0x140 [ 8499.565985][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8499.565985][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8499.565985][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8499.565985][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8499.565985][ T1167] netlink_rcv_skb+0x130/0x360 [ 8499.565985][ T1167] netlink_unicast+0x449/0x710 [ 8499.565985][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8499.565985][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8499.565985][ T1167] ___sys_sendmsg+0xee/0x170 [ 8499.565985][ T1167] __sys_sendmsg+0xcd/0x170 [ 8499.565985][ T1167] do_syscall_64+0xc6/0x1e0 [ 8499.565985][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8499.565985][ T1167] [ 8499.568309][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8499.568309][ T1167] netdev_get_by_index+0x5e/0x80 [ 8499.568309][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8499.568309][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8499.568309][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8499.568309][ T1167] ipv6_add_addr+0x411/0x2000 [ 8499.568309][ T1167] inet6_addr_add+0x30e/0xa40 [ 8499.568309][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8499.568309][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8499.568309][ T1167] netlink_rcv_skb+0x130/0x360 [ 8499.568309][ T1167] netlink_unicast+0x449/0x710 [ 8499.568309][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8499.568309][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8499.568309][ T1167] ___sys_sendmsg+0xee/0x170 [ 8499.568309][ T1167] __sys_sendmsg+0xcd/0x170 [ 8499.568309][ T1167] do_syscall_64+0xc6/0x1e0 [ 8499.568309][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8499.568309][ T1167] [ 8499.570635][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8499.570635][ T1167] netdev_get_by_index+0x5e/0x80 [ 8499.570635][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8499.570635][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8499.570635][ T1167] ip6_route_add+0x1c/0x140 [ 8499.570635][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8499.570635][ T1167] addrconf_add_dev+0xe2/0x170 [ 8499.570635][ T1167] inet6_addr_add+0x12f/0xa40 [ 8499.570635][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8499.570635][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8499.570635][ T1167] netlink_rcv_skb+0x130/0x360 [ 8499.570635][ T1167] netlink_unicast+0x449/0x710 [ 8499.570635][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8499.570635][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8499.570635][ T1167] ___sys_sendmsg+0xee/0x170 [ 8499.570635][ T1167] __sys_sendmsg+0xcd/0x170 [ 8499.570635][ T1167] do_syscall_64+0xc6/0x1e0 [ 8499.570635][ T1167] [ 8499.572909][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8499.572909][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8499.572909][ T1167] ipv6_find_idev+0x102/0x170 [ 8499.572909][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8499.572909][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8499.572909][ T1167] netlink_rcv_skb+0x130/0x360 [ 8499.572909][ T1167] netlink_unicast+0x449/0x710 [ 8499.572909][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8499.572909][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8499.572909][ T1167] ___sys_sendmsg+0xee/0x170 [ 8499.572909][ T1167] __sys_sendmsg+0xcd/0x170 [ 8499.572909][ T1167] do_syscall_64+0xc6/0x1e0 [ 8499.572909][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8499.572909][ T1167] [ 8499.574688][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8499.574688][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8499.574688][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8499.574688][ T1167] ipv6_find_idev+0x102/0x170 [ 8499.574688][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8499.574688][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8499.574688][ T1167] netlink_rcv_skb+0x130/0x360 [ 8499.574688][ T1167] netlink_unicast+0x449/0x710 [ 8499.574688][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8499.574688][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8499.574688][ T1167] ___sys_sendmsg+0xee/0x170 [ 8499.574688][ T1167] __sys_sendmsg+0xcd/0x170 [ 8499.574688][ T1167] do_syscall_64+0xc6/0x1e0 [ 8499.574688][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8499.574688][ T1167] [ 8509.369102][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8509.369484][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8509.369484][ T10] netdev_get_by_index+0x5e/0x80 [ 8509.369484][ T10] fib6_nh_init+0x3d8/0x1580 [ 8509.369484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8509.369484][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8509.369484][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8509.369484][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8509.369484][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8509.369484][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8509.369484][ T10] addrconf_dad_begin+0x310/0x670 [ 8509.369484][ T10] addrconf_dad_work+0x10b/0xab0 [ 8509.369484][ T10] process_one_work+0x84d/0x18a0 [ 8509.369484][ T10] worker_thread+0x587/0xd30 [ 8509.369484][ T10] kthread+0x28a/0x350 [ 8509.369484][ T10] ret_from_fork+0x31/0x70 [ 8509.369484][ T10] ret_from_fork_asm+0x1a/0x30 [ 8509.369484][ T10] [ 8509.371499][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8509.371499][ T10] netdev_get_by_index+0x5e/0x80 [ 8509.371499][ T10] fib6_nh_init+0x3d8/0x1580 [ 8509.371499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8509.371499][ T10] ip6_route_add+0x1c/0x140 [ 8509.371499][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8509.371499][ T10] inet6_addr_add+0x4f8/0xa40 [ 8509.371499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8509.371499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8509.371499][ T10] netlink_rcv_skb+0x130/0x360 [ 8509.371499][ T10] netlink_unicast+0x449/0x710 [ 8509.371499][ T10] netlink_sendmsg+0x723/0xbe0 [ 8509.371499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8509.371499][ T10] ___sys_sendmsg+0xee/0x170 [ 8509.371499][ T10] __sys_sendmsg+0xcd/0x170 [ 8509.371499][ T10] do_syscall_64+0xc6/0x1e0 [ 8509.371499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8509.371499][ T10] [ 8509.373521][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8509.373521][ T10] netdev_get_by_index+0x5e/0x80 [ 8509.373521][ T10] fib6_nh_init+0x3d8/0x1580 [ 8509.373521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8509.373521][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8509.373521][ T10] ipv6_add_addr+0x411/0x2000 [ 8509.373521][ T10] inet6_addr_add+0x30e/0xa40 [ 8509.373521][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8509.373521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8509.373521][ T10] netlink_rcv_skb+0x130/0x360 [ 8509.373521][ T10] netlink_unicast+0x449/0x710 [ 8509.373521][ T10] netlink_sendmsg+0x723/0xbe0 [ 8509.373521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8509.373521][ T10] ___sys_sendmsg+0xee/0x170 [ 8509.373521][ T10] __sys_sendmsg+0xcd/0x170 [ 8509.373521][ T10] do_syscall_64+0xc6/0x1e0 [ 8509.373521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8509.373521][ T10] [ 8509.375527][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8509.375527][ T10] netdev_get_by_index+0x5e/0x80 [ 8509.375527][ T10] fib6_nh_init+0x3d8/0x1580 [ 8509.375527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8509.375527][ T10] ip6_route_add+0x1c/0x140 [ 8509.375527][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8509.375527][ T10] addrconf_add_dev+0xe2/0x170 [ 8509.375527][ T10] inet6_addr_add+0x12f/0xa40 [ 8509.375527][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8509.375527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8509.375527][ T10] netlink_rcv_skb+0x130/0x360 [ 8509.375527][ T10] netlink_unicast+0x449/0x710 [ 8509.375527][ T10] netlink_sendmsg+0x723/0xbe0 [ 8509.375527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8509.375527][ T10] ___sys_sendmsg+0xee/0x170 [ 8509.375527][ T10] __sys_sendmsg+0xcd/0x170 [ 8509.375527][ T10] do_syscall_64+0xc6/0x1e0 [ 8509.375527][ T10] [ 8509.377511][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8509.377511][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8509.377511][ T10] ipv6_find_idev+0x102/0x170 [ 8509.377511][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8509.377511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8509.377511][ T10] netlink_rcv_skb+0x130/0x360 [ 8509.377511][ T10] netlink_unicast+0x449/0x710 [ 8509.377511][ T10] netlink_sendmsg+0x723/0xbe0 [ 8509.377511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8509.377511][ T10] ___sys_sendmsg+0xee/0x170 [ 8509.377511][ T10] __sys_sendmsg+0xcd/0x170 [ 8509.377511][ T10] do_syscall_64+0xc6/0x1e0 [ 8509.377511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8509.377511][ T10] [ 8509.379065][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8509.379065][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8509.379065][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8509.379065][ T10] ipv6_find_idev+0x102/0x170 [ 8509.379065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8509.379065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8509.379065][ T10] netlink_rcv_skb+0x130/0x360 [ 8509.379065][ T10] netlink_unicast+0x449/0x710 [ 8509.379065][ T10] netlink_sendmsg+0x723/0xbe0 [ 8509.379065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8509.379065][ T10] ___sys_sendmsg+0xee/0x170 [ 8509.379065][ T10] __sys_sendmsg+0xcd/0x170 [ 8509.379065][ T10] do_syscall_64+0xc6/0x1e0 [ 8509.379065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8509.379065][ T10] [ 8509.380862][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8509.381126][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8509.381126][ T10] netdev_get_by_index+0x5e/0x80 [ 8509.381126][ T10] fib6_nh_init+0x3d8/0x1580 [ 8509.381126][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8509.381126][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8509.381126][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8509.381126][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8509.381126][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8509.381126][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8509.381126][ T10] addrconf_dad_begin+0x310/0x670 [ 8509.381126][ T10] addrconf_dad_work+0x10b/0xab0 [ 8509.381126][ T10] process_one_work+0x84d/0x18a0 [ 8509.381126][ T10] worker_thread+0x587/0xd30 [ 8509.381126][ T10] kthread+0x28a/0x350 [ 8509.381126][ T10] ret_from_fork+0x31/0x70 [ 8509.381126][ T10] ret_from_fork_asm+0x1a/0x30 [ 8509.381126][ T10] [ 8509.383134][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8509.383134][ T10] netdev_get_by_index+0x5e/0x80 [ 8509.383134][ T10] fib6_nh_init+0x3d8/0x1580 [ 8509.383134][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8509.383134][ T10] ip6_route_add+0x1c/0x140 [ 8509.383134][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8509.383134][ T10] inet6_addr_add+0x4f8/0xa40 [ 8509.383134][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8509.383134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8509.383134][ T10] netlink_rcv_skb+0x130/0x360 [ 8509.383134][ T10] netlink_unicast+0x449/0x710 [ 8509.383134][ T10] netlink_sendmsg+0x723/0xbe0 [ 8509.383134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8509.383134][ T10] ___sys_sendmsg+0xee/0x170 [ 8509.383134][ T10] __sys_sendmsg+0xcd/0x170 [ 8509.383134][ T10] do_syscall_64+0xc6/0x1e0 [ 8509.383134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8509.383134][ T10] [ 8509.385241][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8509.385241][ T10] netdev_get_by_index+0x5e/0x80 [ 8509.385241][ T10] fib6_nh_init+0x3d8/0x1580 [ 8509.385241][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8509.385241][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8509.385241][ T10] ipv6_add_addr+0x411/0x2000 [ 8509.385241][ T10] inet6_addr_add+0x30e/0xa40 [ 8509.385241][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8509.385241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8509.385241][ T10] netlink_rcv_skb+0x130/0x360 [ 8509.385241][ T10] netlink_unicast+0x449/0x710 [ 8509.385241][ T10] netlink_sendmsg+0x723/0xbe0 [ 8509.385241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8509.385241][ T10] ___sys_sendmsg+0xee/0x170 [ 8509.385241][ T10] __sys_sendmsg+0xcd/0x170 [ 8509.385241][ T10] do_syscall_64+0xc6/0x1e0 [ 8509.385241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8509.385241][ T10] [ 8509.387339][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8509.387339][ T10] netdev_get_by_index+0x5e/0x80 [ 8509.387339][ T10] fib6_nh_init+0x3d8/0x1580 [ 8509.387339][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8509.387339][ T10] ip6_route_add+0x1c/0x140 [ 8509.387339][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8509.387339][ T10] addrconf_add_dev+0xe2/0x170 [ 8509.387339][ T10] inet6_addr_add+0x12f/0xa40 [ 8509.387339][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8509.387339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8509.387339][ T10] netlink_rcv_skb+0x130/0x360 [ 8509.387339][ T10] netlink_unicast+0x449/0x710 [ 8509.387339][ T10] netlink_sendmsg+0x723/0xbe0 [ 8509.387339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8509.387339][ T10] ___sys_sendmsg+0xee/0x170 [ 8509.387339][ T10] __sys_sendmsg+0xcd/0x170 [ 8509.387339][ T10] do_syscall_64+0xc6/0x1e0 [ 8509.387339][ T10] [ 8509.389410][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8509.389410][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8509.389410][ T10] ipv6_find_idev+0x102/0x170 [ 8509.389410][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8509.389410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8509.389410][ T10] netlink_rcv_skb+0x130/0x360 [ 8509.389410][ T10] netlink_unicast+0x449/0x710 [ 8509.389410][ T10] netlink_sendmsg+0x723/0xbe0 [ 8509.389410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8509.389410][ T10] ___sys_sendmsg+0xee/0x170 [ 8509.389410][ T10] __sys_sendmsg+0xcd/0x170 [ 8509.389410][ T10] do_syscall_64+0xc6/0x1e0 [ 8509.389410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8509.389410][ T10] [ 8509.391026][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8509.391026][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8509.391026][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8509.391026][ T10] ipv6_find_idev+0x102/0x170 [ 8509.391026][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8509.391026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8509.391026][ T10] netlink_rcv_skb+0x130/0x360 [ 8509.391026][ T10] netlink_unicast+0x449/0x710 [ 8509.391026][ T10] netlink_sendmsg+0x723/0xbe0 [ 8509.391026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8509.391026][ T10] ___sys_sendmsg+0xee/0x170 [ 8509.391026][ T10] __sys_sendmsg+0xcd/0x170 [ 8509.391026][ T10] do_syscall_64+0xc6/0x1e0 [ 8509.391026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8509.391026][ T10] [ 8509.392794][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8509.393056][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8509.393056][ T10] netdev_get_by_index+0x5e/0x80 [ 8509.393056][ T10] fib6_nh_init+0x3d8/0x1580 [ 8509.393056][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8509.393056][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8509.393056][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8509.393056][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8509.393056][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8509.393056][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8509.393056][ T10] addrconf_dad_begin+0x310/0x670 [ 8509.393056][ T10] addrconf_dad_work+0x10b/0xab0 [ 8509.393056][ T10] process_one_work+0x84d/0x18a0 [ 8509.393056][ T10] worker_thread+0x587/0xd30 [ 8509.393056][ T10] kthread+0x28a/0x350 [ 8509.393056][ T10] ret_from_fork+0x31/0x70 [ 8509.393056][ T10] ret_from_fork_asm+0x1a/0x30 [ 8509.393056][ T10] [ 8509.395058][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8509.395058][ T10] netdev_get_by_index+0x5e/0x80 [ 8509.395058][ T10] fib6_nh_init+0x3d8/0x1580 [ 8509.395058][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8509.395058][ T10] ip6_route_add+0x1c/0x140 [ 8509.395058][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8509.395058][ T10] inet6_addr_add+0x4f8/0xa40 [ 8509.395058][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8509.395058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8509.395058][ T10] netlink_rcv_skb+0x130/0x360 [ 8509.395058][ T10] netlink_unicast+0x449/0x710 [ 8509.395058][ T10] netlink_sendmsg+0x723/0xbe0 [ 8509.395058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8509.395058][ T10] ___sys_sendmsg+0xee/0x170 [ 8509.395058][ T10] __sys_sendmsg+0xcd/0x170 [ 8509.395058][ T10] do_syscall_64+0xc6/0x1e0 [ 8509.395058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8509.395058][ T10] [ 8509.397334][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8509.397334][ T10] netdev_get_by_index+0x5e/0x80 [ 8509.397334][ T10] fib6_nh_init+0x3d8/0x1580 [ 8509.397334][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8509.397334][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8509.397334][ T10] ipv6_add_addr+0x411/0x2000 [ 8509.397334][ T10] inet6_addr_add+0x30e/0xa40 [ 8509.397334][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8509.397334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8509.397334][ T10] netlink_rcv_skb+0x130/0x360 [ 8509.397334][ T10] netlink_unicast+0x449/0x710 [ 8509.397334][ T10] netlink_sendmsg+0x723/0xbe0 [ 8509.397334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8509.397334][ T10] ___sys_sendmsg+0xee/0x170 [ 8509.397334][ T10] __sys_sendmsg+0xcd/0x170 [ 8509.397334][ T10] do_syscall_64+0xc6/0x1e0 [ 8509.397334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8509.397334][ T10] [ 8509.399751][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8509.399751][ T10] netdev_get_by_index+0x5e/0x80 [ 8509.399751][ T10] fib6_nh_init+0x3d8/0x1580 [ 8509.399751][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8509.399751][ T10] ip6_route_add+0x1c/0x140 [ 8509.399751][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8509.399751][ T10] addrconf_add_dev+0xe2/0x170 [ 8509.399751][ T10] inet6_addr_add+0x12f/0xa40 [ 8509.399751][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8509.399751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8509.399751][ T10] netlink_rcv_skb+0x130/0x360 [ 8509.399751][ T10] netlink_unicast+0x449/0x710 [ 8509.399751][ T10] netlink_sendmsg+0x723/0xbe0 [ 8509.399751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8509.399751][ T10] ___sys_sendmsg+0xee/0x170 [ 8509.399751][ T10] __sys_sendmsg+0xcd/0x170 [ 8509.399751][ T10] do_syscall_64+0xc6/0x1e0 [ 8509.399751][ T10] [ 8509.401992][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8509.401992][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8509.401992][ T10] ipv6_find_idev+0x102/0x170 [ 8509.401992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8509.401992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8509.401992][ T10] netlink_rcv_skb+0x130/0x360 [ 8509.401992][ T10] netlink_unicast+0x449/0x710 [ 8509.401992][ T10] netlink_sendmsg+0x723/0xbe0 [ 8509.401992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8509.401992][ T10] ___sys_sendmsg+0xee/0x170 [ 8509.401992][ T10] __sys_sendmsg+0xcd/0x170 [ 8509.401992][ T10] do_syscall_64+0xc6/0x1e0 [ 8509.401992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8509.401992][ T10] [ 8509.403805][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8509.403805][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8509.403805][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8509.403805][ T10] ipv6_find_idev+0x102/0x170 [ 8509.403805][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8509.403805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8509.403805][ T10] netlink_rcv_skb+0x130/0x360 [ 8509.403805][ T10] netlink_unicast+0x449/0x710 [ 8509.403805][ T10] netlink_sendmsg+0x723/0xbe0 [ 8509.403805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8509.403805][ T10] ___sys_sendmsg+0xee/0x170 [ 8509.403805][ T10] __sys_sendmsg+0xcd/0x170 [ 8509.403805][ T10] do_syscall_64+0xc6/0x1e0 [ 8509.403805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8509.403805][ T10] [ 8509.405804][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8509.406482][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8509.406482][ T10] netdev_get_by_index+0x5e/0x80 [ 8509.406482][ T10] fib6_nh_init+0x3d8/0x1580 [ 8509.406482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8509.406482][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8509.406482][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8509.406482][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8509.406482][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8509.406482][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8509.406482][ T10] addrconf_dad_begin+0x310/0x670 [ 8509.406482][ T10] addrconf_dad_work+0x10b/0xab0 [ 8509.406482][ T10] process_one_work+0x84d/0x18a0 [ 8509.406482][ T10] worker_thread+0x587/0xd30 [ 8509.406482][ T10] kthread+0x28a/0x350 [ 8509.406482][ T10] ret_from_fork+0x31/0x70 [ 8509.406482][ T10] ret_from_fork_asm+0x1a/0x30 [ 8509.406482][ T10] [ 8509.408487][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8509.408487][ T10] netdev_get_by_index+0x5e/0x80 [ 8509.408487][ T10] fib6_nh_init+0x3d8/0x1580 [ 8509.408487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8509.408487][ T10] ip6_route_add+0x1c/0x140 [ 8509.408487][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8509.408487][ T10] inet6_addr_add+0x4f8/0xa40 [ 8509.408487][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8509.408487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8509.408487][ T10] netlink_rcv_skb+0x130/0x360 [ 8509.408487][ T10] netlink_unicast+0x449/0x710 [ 8509.408487][ T10] netlink_sendmsg+0x723/0xbe0 [ 8509.408487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8509.408487][ T10] ___sys_sendmsg+0xee/0x170 [ 8509.408487][ T10] __sys_sendmsg+0xcd/0x170 [ 8509.408487][ T10] do_syscall_64+0xc6/0x1e0 [ 8509.408487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8509.408487][ T10] [ 8509.410712][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8509.410712][ T10] netdev_get_by_index+0x5e/0x80 [ 8509.410712][ T10] fib6_nh_init+0x3d8/0x1580 [ 8509.410712][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8509.410712][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8509.410712][ T10] ipv6_add_addr+0x411/0x2000 [ 8509.410712][ T10] inet6_addr_add+0x30e/0xa40 [ 8509.410712][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8509.410712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8509.410712][ T10] netlink_rcv_skb+0x130/0x360 [ 8509.410712][ T10] netlink_unicast+0x449/0x710 [ 8509.410712][ T10] netlink_sendmsg+0x723/0xbe0 [ 8509.410712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8509.410712][ T10] ___sys_sendmsg+0xee/0x170 [ 8509.410712][ T10] __sys_sendmsg+0xcd/0x170 [ 8509.410712][ T10] do_syscall_64+0xc6/0x1e0 [ 8509.410712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8509.410712][ T10] [ 8509.413070][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8509.413070][ T10] netdev_get_by_index+0x5e/0x80 [ 8509.413070][ T10] fib6_nh_init+0x3d8/0x1580 [ 8509.413070][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8509.413070][ T10] ip6_route_add+0x1c/0x140 [ 8509.413070][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8509.413070][ T10] addrconf_add_dev+0xe2/0x170 [ 8509.413070][ T10] inet6_addr_add+0x12f/0xa40 [ 8509.413070][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8509.413070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8509.413070][ T10] netlink_rcv_skb+0x130/0x360 [ 8509.413070][ T10] netlink_unicast+0x449/0x710 [ 8509.413070][ T10] netlink_sendmsg+0x723/0xbe0 [ 8509.413070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8509.413070][ T10] ___sys_sendmsg+0xee/0x170 [ 8509.413070][ T10] __sys_sendmsg+0xcd/0x170 [ 8509.413070][ T10] do_syscall_64+0xc6/0x1e0 [ 8509.413070][ T10] [ 8509.415380][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8509.415380][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8509.415380][ T10] ipv6_find_idev+0x102/0x170 [ 8509.415380][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8509.415380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8509.415380][ T10] netlink_rcv_skb+0x130/0x360 [ 8509.415380][ T10] netlink_unicast+0x449/0x710 [ 8509.415380][ T10] netlink_sendmsg+0x723/0xbe0 [ 8509.415380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8509.415380][ T10] ___sys_sendmsg+0xee/0x170 [ 8509.415380][ T10] __sys_sendmsg+0xcd/0x170 [ 8509.415380][ T10] do_syscall_64+0xc6/0x1e0 [ 8509.415380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8509.415380][ T10] [ 8509.417179][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8509.417179][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8509.417179][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8509.417179][ T10] ipv6_find_idev+0x102/0x170 [ 8509.417179][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8509.417179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8509.417179][ T10] netlink_rcv_skb+0x130/0x360 [ 8509.417179][ T10] netlink_unicast+0x449/0x710 [ 8509.417179][ T10] netlink_sendmsg+0x723/0xbe0 [ 8509.417179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8509.417179][ T10] ___sys_sendmsg+0xee/0x170 [ 8509.417179][ T10] __sys_sendmsg+0xcd/0x170 [ 8509.417179][ T10] do_syscall_64+0xc6/0x1e0 [ 8509.417179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8509.417179][ T10] [ 8509.817047][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8509.817444][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8509.817444][ T1167] dst_init+0x84/0x4a0 [ 8509.817444][ T1167] dst_alloc+0x97/0x150 [ 8509.817444][ T1167] ip6_dst_alloc+0x23/0x90 [ 8509.817444][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8509.817444][ T1167] ip6_pol_route+0x56f/0x840 [ 8509.817444][ T1167] fib6_rule_lookup+0x334/0x630 [ 8509.817444][ T1167] ip6_route_output_flags+0x259/0x480 [ 8509.817444][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8509.817444][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8509.817444][ T1167] netlink_rcv_skb+0x130/0x360 [ 8509.817444][ T1167] netlink_unicast+0x449/0x710 [ 8509.817444][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8509.817444][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8509.817444][ T1167] ___sys_sendmsg+0xee/0x170 [ 8509.817444][ T1167] __sys_sendmsg+0xcd/0x170 [ 8509.817444][ T1167] do_syscall_64+0xc6/0x1e0 [ 8509.817444][ T1167] [ 8509.819707][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8509.819707][ T1167] netdev_get_by_index+0x5e/0x80 [ 8509.819707][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8509.819707][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8509.819707][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8509.819707][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8509.819707][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8509.819707][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8509.819707][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8509.819707][ T1167] addrconf_dad_begin+0x310/0x670 [ 8509.819707][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8509.819707][ T1167] process_one_work+0x84d/0x18a0 [ 8509.819707][ T1167] worker_thread+0x587/0xd30 [ 8509.819707][ T1167] kthread+0x28a/0x350 [ 8509.819707][ T1167] ret_from_fork+0x31/0x70 [ 8509.819707][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8509.819707][ T1167] [ 8509.821915][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8509.821915][ T1167] netdev_get_by_index+0x5e/0x80 [ 8509.821915][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8509.821915][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8509.821915][ T1167] ip6_route_add+0x1c/0x140 [ 8509.821915][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8509.821915][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8509.821915][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8509.821915][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8509.821915][ T1167] netlink_rcv_skb+0x130/0x360 [ 8509.821915][ T1167] netlink_unicast+0x449/0x710 [ 8509.821915][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8509.821915][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8509.821915][ T1167] ___sys_sendmsg+0xee/0x170 [ 8509.821915][ T1167] __sys_sendmsg+0xcd/0x170 [ 8509.821915][ T1167] do_syscall_64+0xc6/0x1e0 [ 8509.821915][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8509.821915][ T1167] [ 8509.824219][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8509.824219][ T1167] netdev_get_by_index+0x5e/0x80 [ 8509.824219][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8509.824219][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8509.824219][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8509.824219][ T1167] ipv6_add_addr+0x411/0x2000 [ 8509.824219][ T1167] inet6_addr_add+0x30e/0xa40 [ 8509.824219][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8509.824219][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8509.824219][ T1167] netlink_rcv_skb+0x130/0x360 [ 8509.824219][ T1167] netlink_unicast+0x449/0x710 [ 8509.824219][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8509.824219][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8509.824219][ T1167] ___sys_sendmsg+0xee/0x170 [ 8509.824219][ T1167] __sys_sendmsg+0xcd/0x170 [ 8509.824219][ T1167] do_syscall_64+0xc6/0x1e0 [ 8509.824219][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8509.824219][ T1167] [ 8509.826546][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8509.826546][ T1167] netdev_get_by_index+0x5e/0x80 [ 8509.826546][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8509.826546][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8509.826546][ T1167] ip6_route_add+0x1c/0x140 [ 8509.826546][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8509.826546][ T1167] addrconf_add_dev+0xe2/0x170 [ 8509.826546][ T1167] inet6_addr_add+0x12f/0xa40 [ 8509.826546][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8509.826546][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8509.826546][ T1167] netlink_rcv_skb+0x130/0x360 [ 8509.826546][ T1167] netlink_unicast+0x449/0x710 [ 8509.826546][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8509.826546][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8509.826546][ T1167] ___sys_sendmsg+0xee/0x170 [ 8509.826546][ T1167] __sys_sendmsg+0xcd/0x170 [ 8509.826546][ T1167] do_syscall_64+0xc6/0x1e0 [ 8509.826546][ T1167] [ 8509.828829][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8509.828829][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8509.828829][ T1167] ipv6_find_idev+0x102/0x170 [ 8509.828829][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8509.828829][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8509.828829][ T1167] netlink_rcv_skb+0x130/0x360 [ 8509.828829][ T1167] netlink_unicast+0x449/0x710 [ 8509.828829][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8509.828829][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8509.828829][ T1167] ___sys_sendmsg+0xee/0x170 [ 8509.828829][ T1167] __sys_sendmsg+0xcd/0x170 [ 8509.828829][ T1167] do_syscall_64+0xc6/0x1e0 [ 8509.828829][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8509.828829][ T1167] [ 8509.830607][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8509.830607][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8509.830607][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8509.830607][ T1167] ipv6_find_idev+0x102/0x170 [ 8509.830607][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8509.830607][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8509.830607][ T1167] netlink_rcv_skb+0x130/0x360 [ 8509.830607][ T1167] netlink_unicast+0x449/0x710 [ 8509.830607][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8509.830607][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8509.830607][ T1167] ___sys_sendmsg+0xee/0x170 [ 8509.830607][ T1167] __sys_sendmsg+0xcd/0x170 [ 8509.830607][ T1167] do_syscall_64+0xc6/0x1e0 [ 8509.830607][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8509.830607][ T1167] [ 8519.657134][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8519.657507][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8519.657507][ T10] netdev_get_by_index+0x5e/0x80 [ 8519.657507][ T10] fib6_nh_init+0x3d8/0x1580 [ 8519.657507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8519.657507][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8519.657507][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8519.657507][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8519.657507][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8519.657507][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8519.657507][ T10] addrconf_dad_begin+0x310/0x670 [ 8519.657507][ T10] addrconf_dad_work+0x10b/0xab0 [ 8519.657507][ T10] process_one_work+0x84d/0x18a0 [ 8519.657507][ T10] worker_thread+0x587/0xd30 [ 8519.657507][ T10] kthread+0x28a/0x350 [ 8519.657507][ T10] ret_from_fork+0x31/0x70 [ 8519.657507][ T10] ret_from_fork_asm+0x1a/0x30 [ 8519.657507][ T10] [ 8519.659555][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8519.659555][ T10] netdev_get_by_index+0x5e/0x80 [ 8519.659555][ T10] fib6_nh_init+0x3d8/0x1580 [ 8519.659555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8519.659555][ T10] ip6_route_add+0x1c/0x140 [ 8519.659555][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8519.659555][ T10] inet6_addr_add+0x4f8/0xa40 [ 8519.659555][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8519.659555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8519.659555][ T10] netlink_rcv_skb+0x130/0x360 [ 8519.659555][ T10] netlink_unicast+0x449/0x710 [ 8519.659555][ T10] netlink_sendmsg+0x723/0xbe0 [ 8519.659555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8519.659555][ T10] ___sys_sendmsg+0xee/0x170 [ 8519.659555][ T10] __sys_sendmsg+0xcd/0x170 [ 8519.659555][ T10] do_syscall_64+0xc6/0x1e0 [ 8519.659555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8519.659555][ T10] [ 8519.661667][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8519.661667][ T10] netdev_get_by_index+0x5e/0x80 [ 8519.661667][ T10] fib6_nh_init+0x3d8/0x1580 [ 8519.661667][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8519.661667][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8519.661667][ T10] ipv6_add_addr+0x411/0x2000 [ 8519.661667][ T10] inet6_addr_add+0x30e/0xa40 [ 8519.661667][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8519.661667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8519.661667][ T10] netlink_rcv_skb+0x130/0x360 [ 8519.661667][ T10] netlink_unicast+0x449/0x710 [ 8519.661667][ T10] netlink_sendmsg+0x723/0xbe0 [ 8519.661667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8519.661667][ T10] ___sys_sendmsg+0xee/0x170 [ 8519.661667][ T10] __sys_sendmsg+0xcd/0x170 [ 8519.661667][ T10] do_syscall_64+0xc6/0x1e0 [ 8519.661667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8519.661667][ T10] [ 8519.663770][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8519.663770][ T10] netdev_get_by_index+0x5e/0x80 [ 8519.663770][ T10] fib6_nh_init+0x3d8/0x1580 [ 8519.663770][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8519.663770][ T10] ip6_route_add+0x1c/0x140 [ 8519.663770][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8519.663770][ T10] addrconf_add_dev+0xe2/0x170 [ 8519.663770][ T10] inet6_addr_add+0x12f/0xa40 [ 8519.663770][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8519.663770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8519.663770][ T10] netlink_rcv_skb+0x130/0x360 [ 8519.663770][ T10] netlink_unicast+0x449/0x710 [ 8519.663770][ T10] netlink_sendmsg+0x723/0xbe0 [ 8519.663770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8519.663770][ T10] ___sys_sendmsg+0xee/0x170 [ 8519.663770][ T10] __sys_sendmsg+0xcd/0x170 [ 8519.663770][ T10] do_syscall_64+0xc6/0x1e0 [ 8519.663770][ T10] [ 8519.665833][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8519.665833][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8519.665833][ T10] ipv6_find_idev+0x102/0x170 [ 8519.665833][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8519.665833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8519.665833][ T10] netlink_rcv_skb+0x130/0x360 [ 8519.665833][ T10] netlink_unicast+0x449/0x710 [ 8519.665833][ T10] netlink_sendmsg+0x723/0xbe0 [ 8519.665833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8519.665833][ T10] ___sys_sendmsg+0xee/0x170 [ 8519.665833][ T10] __sys_sendmsg+0xcd/0x170 [ 8519.665833][ T10] do_syscall_64+0xc6/0x1e0 [ 8519.665833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8519.665833][ T10] [ 8519.667448][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8519.667448][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8519.667448][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8519.667448][ T10] ipv6_find_idev+0x102/0x170 [ 8519.667448][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8519.667448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8519.667448][ T10] netlink_rcv_skb+0x130/0x360 [ 8519.667448][ T10] netlink_unicast+0x449/0x710 [ 8519.667448][ T10] netlink_sendmsg+0x723/0xbe0 [ 8519.667448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8519.667448][ T10] ___sys_sendmsg+0xee/0x170 [ 8519.667448][ T10] __sys_sendmsg+0xcd/0x170 [ 8519.667448][ T10] do_syscall_64+0xc6/0x1e0 [ 8519.667448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8519.667448][ T10] [ 8519.669230][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8519.669492][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8519.669492][ T10] netdev_get_by_index+0x5e/0x80 [ 8519.669492][ T10] fib6_nh_init+0x3d8/0x1580 [ 8519.669492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8519.669492][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8519.669492][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8519.669492][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8519.669492][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8519.669492][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8519.669492][ T10] addrconf_dad_begin+0x310/0x670 [ 8519.669492][ T10] addrconf_dad_work+0x10b/0xab0 [ 8519.669492][ T10] process_one_work+0x84d/0x18a0 [ 8519.669492][ T10] worker_thread+0x587/0xd30 [ 8519.669492][ T10] kthread+0x28a/0x350 [ 8519.669492][ T10] ret_from_fork+0x31/0x70 [ 8519.669492][ T10] ret_from_fork_asm+0x1a/0x30 [ 8519.669492][ T10] [ 8519.671495][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8519.671495][ T10] netdev_get_by_index+0x5e/0x80 [ 8519.671495][ T10] fib6_nh_init+0x3d8/0x1580 [ 8519.671495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8519.671495][ T10] ip6_route_add+0x1c/0x140 [ 8519.671495][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8519.671495][ T10] inet6_addr_add+0x4f8/0xa40 [ 8519.671495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8519.671495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8519.671495][ T10] netlink_rcv_skb+0x130/0x360 [ 8519.671495][ T10] netlink_unicast+0x449/0x710 [ 8519.671495][ T10] netlink_sendmsg+0x723/0xbe0 [ 8519.671495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8519.671495][ T10] ___sys_sendmsg+0xee/0x170 [ 8519.671495][ T10] __sys_sendmsg+0xcd/0x170 [ 8519.671495][ T10] do_syscall_64+0xc6/0x1e0 [ 8519.671495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8519.671495][ T10] [ 8519.673594][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8519.673594][ T10] netdev_get_by_index+0x5e/0x80 [ 8519.673594][ T10] fib6_nh_init+0x3d8/0x1580 [ 8519.673594][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8519.673594][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8519.673594][ T10] ipv6_add_addr+0x411/0x2000 [ 8519.673594][ T10] inet6_addr_add+0x30e/0xa40 [ 8519.673594][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8519.673594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8519.673594][ T10] netlink_rcv_skb+0x130/0x360 [ 8519.673594][ T10] netlink_unicast+0x449/0x710 [ 8519.673594][ T10] netlink_sendmsg+0x723/0xbe0 [ 8519.673594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8519.673594][ T10] ___sys_sendmsg+0xee/0x170 [ 8519.673594][ T10] __sys_sendmsg+0xcd/0x170 [ 8519.673594][ T10] do_syscall_64+0xc6/0x1e0 [ 8519.673594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8519.673594][ T10] [ 8519.675693][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8519.675693][ T10] netdev_get_by_index+0x5e/0x80 [ 8519.675693][ T10] fib6_nh_init+0x3d8/0x1580 [ 8519.675693][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8519.675693][ T10] ip6_route_add+0x1c/0x140 [ 8519.675693][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8519.675693][ T10] addrconf_add_dev+0xe2/0x170 [ 8519.675693][ T10] inet6_addr_add+0x12f/0xa40 [ 8519.675693][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8519.675693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8519.675693][ T10] netlink_rcv_skb+0x130/0x360 [ 8519.675693][ T10] netlink_unicast+0x449/0x710 [ 8519.675693][ T10] netlink_sendmsg+0x723/0xbe0 [ 8519.675693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8519.675693][ T10] ___sys_sendmsg+0xee/0x170 [ 8519.675693][ T10] __sys_sendmsg+0xcd/0x170 [ 8519.675693][ T10] do_syscall_64+0xc6/0x1e0 [ 8519.675693][ T10] [ 8519.677768][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8519.677768][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8519.677768][ T10] ipv6_find_idev+0x102/0x170 [ 8519.677768][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8519.677768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8519.677768][ T10] netlink_rcv_skb+0x130/0x360 [ 8519.677768][ T10] netlink_unicast+0x449/0x710 [ 8519.677768][ T10] netlink_sendmsg+0x723/0xbe0 [ 8519.677768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8519.677768][ T10] ___sys_sendmsg+0xee/0x170 [ 8519.677768][ T10] __sys_sendmsg+0xcd/0x170 [ 8519.677768][ T10] do_syscall_64+0xc6/0x1e0 [ 8519.677768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8519.677768][ T10] [ 8519.679381][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8519.679381][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8519.679381][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8519.679381][ T10] ipv6_find_idev+0x102/0x170 [ 8519.679381][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8519.679381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8519.679381][ T10] netlink_rcv_skb+0x130/0x360 [ 8519.679381][ T10] netlink_unicast+0x449/0x710 [ 8519.679381][ T10] netlink_sendmsg+0x723/0xbe0 [ 8519.679381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8519.679381][ T10] ___sys_sendmsg+0xee/0x170 [ 8519.679381][ T10] __sys_sendmsg+0xcd/0x170 [ 8519.679381][ T10] do_syscall_64+0xc6/0x1e0 [ 8519.679381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8519.679381][ T10] [ 8519.681136][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8519.681383][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8519.681383][ T10] netdev_get_by_index+0x5e/0x80 [ 8519.681383][ T10] fib6_nh_init+0x3d8/0x1580 [ 8519.681383][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8519.681383][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8519.681383][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8519.681383][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8519.681383][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8519.681383][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8519.681383][ T10] addrconf_dad_begin+0x310/0x670 [ 8519.681383][ T10] addrconf_dad_work+0x10b/0xab0 [ 8519.681383][ T10] process_one_work+0x84d/0x18a0 [ 8519.681383][ T10] worker_thread+0x587/0xd30 [ 8519.681383][ T10] kthread+0x28a/0x350 [ 8519.681383][ T10] ret_from_fork+0x31/0x70 [ 8519.681383][ T10] ret_from_fork_asm+0x1a/0x30 [ 8519.681383][ T10] [ 8519.683392][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8519.683392][ T10] netdev_get_by_index+0x5e/0x80 [ 8519.683392][ T10] fib6_nh_init+0x3d8/0x1580 [ 8519.683392][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8519.683392][ T10] ip6_route_add+0x1c/0x140 [ 8519.683392][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8519.683392][ T10] inet6_addr_add+0x4f8/0xa40 [ 8519.683392][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8519.683392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8519.683392][ T10] netlink_rcv_skb+0x130/0x360 [ 8519.683392][ T10] netlink_unicast+0x449/0x710 [ 8519.683392][ T10] netlink_sendmsg+0x723/0xbe0 [ 8519.683392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8519.683392][ T10] ___sys_sendmsg+0xee/0x170 [ 8519.683392][ T10] __sys_sendmsg+0xcd/0x170 [ 8519.683392][ T10] do_syscall_64+0xc6/0x1e0 [ 8519.683392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8519.683392][ T10] [ 8519.685551][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8519.685551][ T10] netdev_get_by_index+0x5e/0x80 [ 8519.685551][ T10] fib6_nh_init+0x3d8/0x1580 [ 8519.685551][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8519.685551][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8519.685551][ T10] ipv6_add_addr+0x411/0x2000 [ 8519.685551][ T10] inet6_addr_add+0x30e/0xa40 [ 8519.685551][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8519.685551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8519.685551][ T10] netlink_rcv_skb+0x130/0x360 [ 8519.685551][ T10] netlink_unicast+0x449/0x710 [ 8519.685551][ T10] netlink_sendmsg+0x723/0xbe0 [ 8519.685551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8519.685551][ T10] ___sys_sendmsg+0xee/0x170 [ 8519.685551][ T10] __sys_sendmsg+0xcd/0x170 [ 8519.685551][ T10] do_syscall_64+0xc6/0x1e0 [ 8519.685551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8519.685551][ T10] [ 8519.687773][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8519.687773][ T10] netdev_get_by_index+0x5e/0x80 [ 8519.687773][ T10] fib6_nh_init+0x3d8/0x1580 [ 8519.687773][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8519.687773][ T10] ip6_route_add+0x1c/0x140 [ 8519.687773][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8519.687773][ T10] addrconf_add_dev+0xe2/0x170 [ 8519.687773][ T10] inet6_addr_add+0x12f/0xa40 [ 8519.687773][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8519.687773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8519.687773][ T10] netlink_rcv_skb+0x130/0x360 [ 8519.687773][ T10] netlink_unicast+0x449/0x710 [ 8519.687773][ T10] netlink_sendmsg+0x723/0xbe0 [ 8519.687773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8519.687773][ T10] ___sys_sendmsg+0xee/0x170 [ 8519.687773][ T10] __sys_sendmsg+0xcd/0x170 [ 8519.687773][ T10] do_syscall_64+0xc6/0x1e0 [ 8519.687773][ T10] [ 8519.689992][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8519.689992][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8519.689992][ T10] ipv6_find_idev+0x102/0x170 [ 8519.689992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8519.689992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8519.689992][ T10] netlink_rcv_skb+0x130/0x360 [ 8519.689992][ T10] netlink_unicast+0x449/0x710 [ 8519.689992][ T10] netlink_sendmsg+0x723/0xbe0 [ 8519.689992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8519.689992][ T10] ___sys_sendmsg+0xee/0x170 [ 8519.689992][ T10] __sys_sendmsg+0xcd/0x170 [ 8519.689992][ T10] do_syscall_64+0xc6/0x1e0 [ 8519.689992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8519.689992][ T10] [ 8519.691661][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8519.691661][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8519.691661][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8519.691661][ T10] ipv6_find_idev+0x102/0x170 [ 8519.691661][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8519.691661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8519.691661][ T10] netlink_rcv_skb+0x130/0x360 [ 8519.691661][ T10] netlink_unicast+0x449/0x710 [ 8519.691661][ T10] netlink_sendmsg+0x723/0xbe0 [ 8519.691661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8519.691661][ T10] ___sys_sendmsg+0xee/0x170 [ 8519.691661][ T10] __sys_sendmsg+0xcd/0x170 [ 8519.691661][ T10] do_syscall_64+0xc6/0x1e0 [ 8519.691661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8519.691661][ T10] [ 8519.693553][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8519.693804][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8519.693804][ T10] netdev_get_by_index+0x5e/0x80 [ 8519.693804][ T10] fib6_nh_init+0x3d8/0x1580 [ 8519.693804][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8519.693804][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8519.693804][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8519.693804][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8519.693804][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8519.693804][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8519.693804][ T10] addrconf_dad_begin+0x310/0x670 [ 8519.693804][ T10] addrconf_dad_work+0x10b/0xab0 [ 8519.693804][ T10] process_one_work+0x84d/0x18a0 [ 8519.693804][ T10] worker_thread+0x587/0xd30 [ 8519.693804][ T10] kthread+0x28a/0x350 [ 8519.693804][ T10] ret_from_fork+0x31/0x70 [ 8519.693804][ T10] ret_from_fork_asm+0x1a/0x30 [ 8519.693804][ T10] [ 8519.695937][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8519.695937][ T10] netdev_get_by_index+0x5e/0x80 [ 8519.695937][ T10] fib6_nh_init+0x3d8/0x1580 [ 8519.695937][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8519.695937][ T10] ip6_route_add+0x1c/0x140 [ 8519.695937][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8519.695937][ T10] inet6_addr_add+0x4f8/0xa40 [ 8519.695937][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8519.695937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8519.695937][ T10] netlink_rcv_skb+0x130/0x360 [ 8519.695937][ T10] netlink_unicast+0x449/0x710 [ 8519.695937][ T10] netlink_sendmsg+0x723/0xbe0 [ 8519.695937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8519.695937][ T10] ___sys_sendmsg+0xee/0x170 [ 8519.695937][ T10] __sys_sendmsg+0xcd/0x170 [ 8519.695937][ T10] do_syscall_64+0xc6/0x1e0 [ 8519.695937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8519.695937][ T10] [ 8519.698154][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8519.698154][ T10] netdev_get_by_index+0x5e/0x80 [ 8519.698154][ T10] fib6_nh_init+0x3d8/0x1580 [ 8519.698154][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8519.698154][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8519.698154][ T10] ipv6_add_addr+0x411/0x2000 [ 8519.698154][ T10] inet6_addr_add+0x30e/0xa40 [ 8519.698154][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8519.698154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8519.698154][ T10] netlink_rcv_skb+0x130/0x360 [ 8519.698154][ T10] netlink_unicast+0x449/0x710 [ 8519.698154][ T10] netlink_sendmsg+0x723/0xbe0 [ 8519.698154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8519.698154][ T10] ___sys_sendmsg+0xee/0x170 [ 8519.698154][ T10] __sys_sendmsg+0xcd/0x170 [ 8519.698154][ T10] do_syscall_64+0xc6/0x1e0 [ 8519.698154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8519.698154][ T10] [ 8519.700373][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8519.700373][ T10] netdev_get_by_index+0x5e/0x80 [ 8519.700373][ T10] fib6_nh_init+0x3d8/0x1580 [ 8519.700373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8519.700373][ T10] ip6_route_add+0x1c/0x140 [ 8519.700373][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8519.700373][ T10] addrconf_add_dev+0xe2/0x170 [ 8519.700373][ T10] inet6_addr_add+0x12f/0xa40 [ 8519.700373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8519.700373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8519.700373][ T10] netlink_rcv_skb+0x130/0x360 [ 8519.700373][ T10] netlink_unicast+0x449/0x710 [ 8519.700373][ T10] netlink_sendmsg+0x723/0xbe0 [ 8519.700373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8519.700373][ T10] ___sys_sendmsg+0xee/0x170 [ 8519.700373][ T10] __sys_sendmsg+0xcd/0x170 [ 8519.700373][ T10] do_syscall_64+0xc6/0x1e0 [ 8519.700373][ T10] [ 8519.702565][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8519.702565][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8519.702565][ T10] ipv6_find_idev+0x102/0x170 [ 8519.702565][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8519.702565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8519.702565][ T10] netlink_rcv_skb+0x130/0x360 [ 8519.702565][ T10] netlink_unicast+0x449/0x710 [ 8519.702565][ T10] netlink_sendmsg+0x723/0xbe0 [ 8519.702565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8519.702565][ T10] ___sys_sendmsg+0xee/0x170 [ 8519.702565][ T10] __sys_sendmsg+0xcd/0x170 [ 8519.702565][ T10] do_syscall_64+0xc6/0x1e0 [ 8519.702565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8519.702565][ T10] [ 8519.704234][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8519.704234][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8519.704234][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8519.704234][ T10] ipv6_find_idev+0x102/0x170 [ 8519.704234][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8519.704234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8519.704234][ T10] netlink_rcv_skb+0x130/0x360 [ 8519.704234][ T10] netlink_unicast+0x449/0x710 [ 8519.704234][ T10] netlink_sendmsg+0x723/0xbe0 [ 8519.704234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8519.704234][ T10] ___sys_sendmsg+0xee/0x170 [ 8519.704234][ T10] __sys_sendmsg+0xcd/0x170 [ 8519.704234][ T10] do_syscall_64+0xc6/0x1e0 [ 8519.704234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8519.704234][ T10] [ 8520.073126][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8520.073573][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8520.073573][ T1167] dst_init+0x84/0x4a0 [ 8520.073573][ T1167] dst_alloc+0x97/0x150 [ 8520.073573][ T1167] ip6_dst_alloc+0x23/0x90 [ 8520.073573][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8520.073573][ T1167] ip6_pol_route+0x56f/0x840 [ 8520.073573][ T1167] fib6_rule_lookup+0x334/0x630 [ 8520.073573][ T1167] ip6_route_output_flags+0x259/0x480 [ 8520.073573][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8520.073573][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8520.073573][ T1167] netlink_rcv_skb+0x130/0x360 [ 8520.073573][ T1167] netlink_unicast+0x449/0x710 [ 8520.073573][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8520.073573][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8520.073573][ T1167] ___sys_sendmsg+0xee/0x170 [ 8520.073573][ T1167] __sys_sendmsg+0xcd/0x170 [ 8520.073573][ T1167] do_syscall_64+0xc6/0x1e0 [ 8520.073573][ T1167] [ 8520.075847][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8520.075847][ T1167] netdev_get_by_index+0x5e/0x80 [ 8520.075847][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8520.075847][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8520.075847][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8520.075847][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8520.075847][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8520.075847][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8520.075847][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8520.075847][ T1167] addrconf_dad_begin+0x310/0x670 [ 8520.075847][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8520.075847][ T1167] process_one_work+0x84d/0x18a0 [ 8520.075847][ T1167] worker_thread+0x587/0xd30 [ 8520.075847][ T1167] kthread+0x28a/0x350 [ 8520.075847][ T1167] ret_from_fork+0x31/0x70 [ 8520.075847][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8520.075847][ T1167] [ 8520.078066][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8520.078066][ T1167] netdev_get_by_index+0x5e/0x80 [ 8520.078066][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8520.078066][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8520.078066][ T1167] ip6_route_add+0x1c/0x140 [ 8520.078066][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8520.078066][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8520.078066][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8520.078066][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8520.078066][ T1167] netlink_rcv_skb+0x130/0x360 [ 8520.078066][ T1167] netlink_unicast+0x449/0x710 [ 8520.078066][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8520.078066][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8520.078066][ T1167] ___sys_sendmsg+0xee/0x170 [ 8520.078066][ T1167] __sys_sendmsg+0xcd/0x170 [ 8520.078066][ T1167] do_syscall_64+0xc6/0x1e0 [ 8520.078066][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8520.078066][ T1167] [ 8520.080393][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8520.080393][ T1167] netdev_get_by_index+0x5e/0x80 [ 8520.080393][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8520.080393][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8520.080393][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8520.080393][ T1167] ipv6_add_addr+0x411/0x2000 [ 8520.080393][ T1167] inet6_addr_add+0x30e/0xa40 [ 8520.080393][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8520.080393][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8520.080393][ T1167] netlink_rcv_skb+0x130/0x360 [ 8520.080393][ T1167] netlink_unicast+0x449/0x710 [ 8520.080393][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8520.080393][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8520.080393][ T1167] ___sys_sendmsg+0xee/0x170 [ 8520.080393][ T1167] __sys_sendmsg+0xcd/0x170 [ 8520.080393][ T1167] do_syscall_64+0xc6/0x1e0 [ 8520.080393][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8520.080393][ T1167] [ 8520.082728][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8520.082728][ T1167] netdev_get_by_index+0x5e/0x80 [ 8520.082728][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8520.082728][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8520.082728][ T1167] ip6_route_add+0x1c/0x140 [ 8520.082728][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8520.082728][ T1167] addrconf_add_dev+0xe2/0x170 [ 8520.082728][ T1167] inet6_addr_add+0x12f/0xa40 [ 8520.082728][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8520.082728][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8520.082728][ T1167] netlink_rcv_skb+0x130/0x360 [ 8520.082728][ T1167] netlink_unicast+0x449/0x710 [ 8520.082728][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8520.082728][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8520.082728][ T1167] ___sys_sendmsg+0xee/0x170 [ 8520.082728][ T1167] __sys_sendmsg+0xcd/0x170 [ 8520.082728][ T1167] do_syscall_64+0xc6/0x1e0 [ 8520.082728][ T1167] [ 8520.085015][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8520.085015][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8520.085015][ T1167] ipv6_find_idev+0x102/0x170 [ 8520.085015][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8520.085015][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8520.085015][ T1167] netlink_rcv_skb+0x130/0x360 [ 8520.085015][ T1167] netlink_unicast+0x449/0x710 [ 8520.085015][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8520.085015][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8520.085015][ T1167] ___sys_sendmsg+0xee/0x170 [ 8520.085015][ T1167] __sys_sendmsg+0xcd/0x170 [ 8520.085015][ T1167] do_syscall_64+0xc6/0x1e0 [ 8520.085015][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8520.085015][ T1167] [ 8520.086802][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8520.086802][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8520.086802][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8520.086802][ T1167] ipv6_find_idev+0x102/0x170 [ 8520.086802][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8520.086802][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8520.086802][ T1167] netlink_rcv_skb+0x130/0x360 [ 8520.086802][ T1167] netlink_unicast+0x449/0x710 [ 8520.086802][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8520.086802][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8520.086802][ T1167] ___sys_sendmsg+0xee/0x170 [ 8520.086802][ T1167] __sys_sendmsg+0xcd/0x170 [ 8520.086802][ T1167] do_syscall_64+0xc6/0x1e0 [ 8520.086802][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8520.086802][ T1167] [ 8529.945131][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8529.945517][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8529.945517][ T10] netdev_get_by_index+0x5e/0x80 [ 8529.945517][ T10] fib6_nh_init+0x3d8/0x1580 [ 8529.945517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8529.945517][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8529.945517][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8529.945517][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8529.945517][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8529.945517][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8529.945517][ T10] addrconf_dad_begin+0x310/0x670 [ 8529.945517][ T10] addrconf_dad_work+0x10b/0xab0 [ 8529.945517][ T10] process_one_work+0x84d/0x18a0 [ 8529.945517][ T10] worker_thread+0x587/0xd30 [ 8529.945517][ T10] kthread+0x28a/0x350 [ 8529.945517][ T10] ret_from_fork+0x31/0x70 [ 8529.945517][ T10] ret_from_fork_asm+0x1a/0x30 [ 8529.945517][ T10] [ 8529.947547][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8529.947547][ T10] netdev_get_by_index+0x5e/0x80 [ 8529.947547][ T10] fib6_nh_init+0x3d8/0x1580 [ 8529.947547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8529.947547][ T10] ip6_route_add+0x1c/0x140 [ 8529.947547][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8529.947547][ T10] inet6_addr_add+0x4f8/0xa40 [ 8529.947547][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8529.947547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8529.947547][ T10] netlink_rcv_skb+0x130/0x360 [ 8529.947547][ T10] netlink_unicast+0x449/0x710 [ 8529.947547][ T10] netlink_sendmsg+0x723/0xbe0 [ 8529.947547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8529.947547][ T10] ___sys_sendmsg+0xee/0x170 [ 8529.947547][ T10] __sys_sendmsg+0xcd/0x170 [ 8529.947547][ T10] do_syscall_64+0xc6/0x1e0 [ 8529.947547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8529.947547][ T10] [ 8529.949655][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8529.949655][ T10] netdev_get_by_index+0x5e/0x80 [ 8529.949655][ T10] fib6_nh_init+0x3d8/0x1580 [ 8529.949655][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8529.949655][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8529.949655][ T10] ipv6_add_addr+0x411/0x2000 [ 8529.949655][ T10] inet6_addr_add+0x30e/0xa40 [ 8529.949655][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8529.949655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8529.949655][ T10] netlink_rcv_skb+0x130/0x360 [ 8529.949655][ T10] netlink_unicast+0x449/0x710 [ 8529.949655][ T10] netlink_sendmsg+0x723/0xbe0 [ 8529.949655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8529.949655][ T10] ___sys_sendmsg+0xee/0x170 [ 8529.949655][ T10] __sys_sendmsg+0xcd/0x170 [ 8529.949655][ T10] do_syscall_64+0xc6/0x1e0 [ 8529.949655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8529.949655][ T10] [ 8529.951758][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8529.951758][ T10] netdev_get_by_index+0x5e/0x80 [ 8529.951758][ T10] fib6_nh_init+0x3d8/0x1580 [ 8529.951758][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8529.951758][ T10] ip6_route_add+0x1c/0x140 [ 8529.951758][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8529.951758][ T10] addrconf_add_dev+0xe2/0x170 [ 8529.951758][ T10] inet6_addr_add+0x12f/0xa40 [ 8529.951758][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8529.951758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8529.951758][ T10] netlink_rcv_skb+0x130/0x360 [ 8529.951758][ T10] netlink_unicast+0x449/0x710 [ 8529.951758][ T10] netlink_sendmsg+0x723/0xbe0 [ 8529.951758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8529.951758][ T10] ___sys_sendmsg+0xee/0x170 [ 8529.951758][ T10] __sys_sendmsg+0xcd/0x170 [ 8529.951758][ T10] do_syscall_64+0xc6/0x1e0 [ 8529.951758][ T10] [ 8529.953826][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8529.953826][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8529.953826][ T10] ipv6_find_idev+0x102/0x170 [ 8529.953826][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8529.953826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8529.953826][ T10] netlink_rcv_skb+0x130/0x360 [ 8529.953826][ T10] netlink_unicast+0x449/0x710 [ 8529.953826][ T10] netlink_sendmsg+0x723/0xbe0 [ 8529.953826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8529.953826][ T10] ___sys_sendmsg+0xee/0x170 [ 8529.953826][ T10] __sys_sendmsg+0xcd/0x170 [ 8529.953826][ T10] do_syscall_64+0xc6/0x1e0 [ 8529.953826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8529.953826][ T10] [ 8529.955441][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8529.955441][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8529.955441][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8529.955441][ T10] ipv6_find_idev+0x102/0x170 [ 8529.955441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8529.955441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8529.955441][ T10] netlink_rcv_skb+0x130/0x360 [ 8529.955441][ T10] netlink_unicast+0x449/0x710 [ 8529.955441][ T10] netlink_sendmsg+0x723/0xbe0 [ 8529.955441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8529.955441][ T10] ___sys_sendmsg+0xee/0x170 [ 8529.955441][ T10] __sys_sendmsg+0xcd/0x170 [ 8529.955441][ T10] do_syscall_64+0xc6/0x1e0 [ 8529.955441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8529.955441][ T10] [ 8529.957220][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8529.957480][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8529.957480][ T10] netdev_get_by_index+0x5e/0x80 [ 8529.957480][ T10] fib6_nh_init+0x3d8/0x1580 [ 8529.957480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8529.957480][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8529.957480][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8529.957480][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8529.957480][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8529.957480][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8529.957480][ T10] addrconf_dad_begin+0x310/0x670 [ 8529.957480][ T10] addrconf_dad_work+0x10b/0xab0 [ 8529.957480][ T10] process_one_work+0x84d/0x18a0 [ 8529.957480][ T10] worker_thread+0x587/0xd30 [ 8529.957480][ T10] kthread+0x28a/0x350 [ 8529.957480][ T10] ret_from_fork+0x31/0x70 [ 8529.957480][ T10] ret_from_fork_asm+0x1a/0x30 [ 8529.957480][ T10] [ 8529.959498][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8529.959498][ T10] netdev_get_by_index+0x5e/0x80 [ 8529.959498][ T10] fib6_nh_init+0x3d8/0x1580 [ 8529.959498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8529.959498][ T10] ip6_route_add+0x1c/0x140 [ 8529.959498][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8529.959498][ T10] inet6_addr_add+0x4f8/0xa40 [ 8529.959498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8529.959498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8529.959498][ T10] netlink_rcv_skb+0x130/0x360 [ 8529.959498][ T10] netlink_unicast+0x449/0x710 [ 8529.959498][ T10] netlink_sendmsg+0x723/0xbe0 [ 8529.959498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8529.959498][ T10] ___sys_sendmsg+0xee/0x170 [ 8529.959498][ T10] __sys_sendmsg+0xcd/0x170 [ 8529.959498][ T10] do_syscall_64+0xc6/0x1e0 [ 8529.959498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8529.959498][ T10] [ 8529.961589][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8529.961589][ T10] netdev_get_by_index+0x5e/0x80 [ 8529.961589][ T10] fib6_nh_init+0x3d8/0x1580 [ 8529.961589][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8529.961589][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8529.961589][ T10] ipv6_add_addr+0x411/0x2000 [ 8529.961589][ T10] inet6_addr_add+0x30e/0xa40 [ 8529.961589][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8529.961589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8529.961589][ T10] netlink_rcv_skb+0x130/0x360 [ 8529.961589][ T10] netlink_unicast+0x449/0x710 [ 8529.961589][ T10] netlink_sendmsg+0x723/0xbe0 [ 8529.961589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8529.961589][ T10] ___sys_sendmsg+0xee/0x170 [ 8529.961589][ T10] __sys_sendmsg+0xcd/0x170 [ 8529.961589][ T10] do_syscall_64+0xc6/0x1e0 [ 8529.961589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8529.961589][ T10] [ 8529.963683][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8529.963683][ T10] netdev_get_by_index+0x5e/0x80 [ 8529.963683][ T10] fib6_nh_init+0x3d8/0x1580 [ 8529.963683][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8529.963683][ T10] ip6_route_add+0x1c/0x140 [ 8529.963683][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8529.963683][ T10] addrconf_add_dev+0xe2/0x170 [ 8529.963683][ T10] inet6_addr_add+0x12f/0xa40 [ 8529.963683][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8529.963683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8529.963683][ T10] netlink_rcv_skb+0x130/0x360 [ 8529.963683][ T10] netlink_unicast+0x449/0x710 [ 8529.963683][ T10] netlink_sendmsg+0x723/0xbe0 [ 8529.963683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8529.963683][ T10] ___sys_sendmsg+0xee/0x170 [ 8529.963683][ T10] __sys_sendmsg+0xcd/0x170 [ 8529.963683][ T10] do_syscall_64+0xc6/0x1e0 [ 8529.963683][ T10] [ 8529.965747][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8529.965747][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8529.965747][ T10] ipv6_find_idev+0x102/0x170 [ 8529.965747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8529.965747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8529.965747][ T10] netlink_rcv_skb+0x130/0x360 [ 8529.965747][ T10] netlink_unicast+0x449/0x710 [ 8529.965747][ T10] netlink_sendmsg+0x723/0xbe0 [ 8529.965747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8529.965747][ T10] ___sys_sendmsg+0xee/0x170 [ 8529.965747][ T10] __sys_sendmsg+0xcd/0x170 [ 8529.965747][ T10] do_syscall_64+0xc6/0x1e0 [ 8529.965747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8529.965747][ T10] [ 8529.967372][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8529.967372][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8529.967372][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8529.967372][ T10] ipv6_find_idev+0x102/0x170 [ 8529.967372][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8529.967372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8529.967372][ T10] netlink_rcv_skb+0x130/0x360 [ 8529.967372][ T10] netlink_unicast+0x449/0x710 [ 8529.967372][ T10] netlink_sendmsg+0x723/0xbe0 [ 8529.967372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8529.967372][ T10] ___sys_sendmsg+0xee/0x170 [ 8529.967372][ T10] __sys_sendmsg+0xcd/0x170 [ 8529.967372][ T10] do_syscall_64+0xc6/0x1e0 [ 8529.967372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8529.967372][ T10] [ 8529.969154][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8529.969405][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8529.969405][ T10] netdev_get_by_index+0x5e/0x80 [ 8529.969405][ T10] fib6_nh_init+0x3d8/0x1580 [ 8529.969405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8529.969405][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8529.969405][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8529.969405][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8529.969405][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8529.969405][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8529.969405][ T10] addrconf_dad_begin+0x310/0x670 [ 8529.969405][ T10] addrconf_dad_work+0x10b/0xab0 [ 8529.969405][ T10] process_one_work+0x84d/0x18a0 [ 8529.969405][ T10] worker_thread+0x587/0xd30 [ 8529.969405][ T10] kthread+0x28a/0x350 [ 8529.969405][ T10] ret_from_fork+0x31/0x70 [ 8529.969405][ T10] ret_from_fork_asm+0x1a/0x30 [ 8529.969405][ T10] [ 8529.971419][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8529.971419][ T10] netdev_get_by_index+0x5e/0x80 [ 8529.971419][ T10] fib6_nh_init+0x3d8/0x1580 [ 8529.971419][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8529.971419][ T10] ip6_route_add+0x1c/0x140 [ 8529.971419][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8529.971419][ T10] inet6_addr_add+0x4f8/0xa40 [ 8529.971419][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8529.971419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8529.971419][ T10] netlink_rcv_skb+0x130/0x360 [ 8529.971419][ T10] netlink_unicast+0x449/0x710 [ 8529.971419][ T10] netlink_sendmsg+0x723/0xbe0 [ 8529.971419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8529.971419][ T10] ___sys_sendmsg+0xee/0x170 [ 8529.971419][ T10] __sys_sendmsg+0xcd/0x170 [ 8529.971419][ T10] do_syscall_64+0xc6/0x1e0 [ 8529.971419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8529.971419][ T10] [ 8529.973696][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8529.973696][ T10] netdev_get_by_index+0x5e/0x80 [ 8529.973696][ T10] fib6_nh_init+0x3d8/0x1580 [ 8529.973696][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8529.973696][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8529.973696][ T10] ipv6_add_addr+0x411/0x2000 [ 8529.973696][ T10] inet6_addr_add+0x30e/0xa40 [ 8529.973696][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8529.973696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8529.973696][ T10] netlink_rcv_skb+0x130/0x360 [ 8529.973696][ T10] netlink_unicast+0x449/0x710 [ 8529.973696][ T10] netlink_sendmsg+0x723/0xbe0 [ 8529.973696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8529.973696][ T10] ___sys_sendmsg+0xee/0x170 [ 8529.973696][ T10] __sys_sendmsg+0xcd/0x170 [ 8529.973696][ T10] do_syscall_64+0xc6/0x1e0 [ 8529.973696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8529.973696][ T10] [ 8529.976030][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8529.976030][ T10] netdev_get_by_index+0x5e/0x80 [ 8529.976030][ T10] fib6_nh_init+0x3d8/0x1580 [ 8529.976030][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8529.976030][ T10] ip6_route_add+0x1c/0x140 [ 8529.976030][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8529.976030][ T10] addrconf_add_dev+0xe2/0x170 [ 8529.976030][ T10] inet6_addr_add+0x12f/0xa40 [ 8529.976030][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8529.976030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8529.976030][ T10] netlink_rcv_skb+0x130/0x360 [ 8529.976030][ T10] netlink_unicast+0x449/0x710 [ 8529.976030][ T10] netlink_sendmsg+0x723/0xbe0 [ 8529.976030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8529.976030][ T10] ___sys_sendmsg+0xee/0x170 [ 8529.976030][ T10] __sys_sendmsg+0xcd/0x170 [ 8529.976030][ T10] do_syscall_64+0xc6/0x1e0 [ 8529.976030][ T10] [ 8529.978275][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8529.978275][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8529.978275][ T10] ipv6_find_idev+0x102/0x170 [ 8529.978275][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8529.978275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8529.978275][ T10] netlink_rcv_skb+0x130/0x360 [ 8529.978275][ T10] netlink_unicast+0x449/0x710 [ 8529.978275][ T10] netlink_sendmsg+0x723/0xbe0 [ 8529.978275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8529.978275][ T10] ___sys_sendmsg+0xee/0x170 [ 8529.978275][ T10] __sys_sendmsg+0xcd/0x170 [ 8529.978275][ T10] do_syscall_64+0xc6/0x1e0 [ 8529.978275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8529.978275][ T10] [ 8529.980070][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8529.980070][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8529.980070][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8529.980070][ T10] ipv6_find_idev+0x102/0x170 [ 8529.980070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8529.980070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8529.980070][ T10] netlink_rcv_skb+0x130/0x360 [ 8529.980070][ T10] netlink_unicast+0x449/0x710 [ 8529.980070][ T10] netlink_sendmsg+0x723/0xbe0 [ 8529.980070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8529.980070][ T10] ___sys_sendmsg+0xee/0x170 [ 8529.980070][ T10] __sys_sendmsg+0xcd/0x170 [ 8529.980070][ T10] do_syscall_64+0xc6/0x1e0 [ 8529.980070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8529.980070][ T10] [ 8529.982132][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8529.982378][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8529.982378][ T10] netdev_get_by_index+0x5e/0x80 [ 8529.982378][ T10] fib6_nh_init+0x3d8/0x1580 [ 8529.982378][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8529.982378][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8529.982378][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8529.982378][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8529.982378][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8529.982378][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8529.982378][ T10] addrconf_dad_begin+0x310/0x670 [ 8529.982378][ T10] addrconf_dad_work+0x10b/0xab0 [ 8529.982378][ T10] process_one_work+0x84d/0x18a0 [ 8529.982378][ T10] worker_thread+0x587/0xd30 [ 8529.982378][ T10] kthread+0x28a/0x350 [ 8529.982378][ T10] ret_from_fork+0x31/0x70 [ 8529.982378][ T10] ret_from_fork_asm+0x1a/0x30 [ 8529.982378][ T10] [ 8529.984622][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8529.984622][ T10] netdev_get_by_index+0x5e/0x80 [ 8529.984622][ T10] fib6_nh_init+0x3d8/0x1580 [ 8529.984622][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8529.984622][ T10] ip6_route_add+0x1c/0x140 [ 8529.984622][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8529.984622][ T10] inet6_addr_add+0x4f8/0xa40 [ 8529.984622][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8529.984622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8529.984622][ T10] netlink_rcv_skb+0x130/0x360 [ 8529.984622][ T10] netlink_unicast+0x449/0x710 [ 8529.984622][ T10] netlink_sendmsg+0x723/0xbe0 [ 8529.984622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8529.984622][ T10] ___sys_sendmsg+0xee/0x170 [ 8529.984622][ T10] __sys_sendmsg+0xcd/0x170 [ 8529.984622][ T10] do_syscall_64+0xc6/0x1e0 [ 8529.984622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8529.984622][ T10] [ 8529.986899][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8529.986899][ T10] netdev_get_by_index+0x5e/0x80 [ 8529.986899][ T10] fib6_nh_init+0x3d8/0x1580 [ 8529.986899][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8529.986899][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8529.986899][ T10] ipv6_add_addr+0x411/0x2000 [ 8529.986899][ T10] inet6_addr_add+0x30e/0xa40 [ 8529.986899][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8529.986899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8529.986899][ T10] netlink_rcv_skb+0x130/0x360 [ 8529.986899][ T10] netlink_unicast+0x449/0x710 [ 8529.986899][ T10] netlink_sendmsg+0x723/0xbe0 [ 8529.986899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8529.986899][ T10] ___sys_sendmsg+0xee/0x170 [ 8529.986899][ T10] __sys_sendmsg+0xcd/0x170 [ 8529.986899][ T10] do_syscall_64+0xc6/0x1e0 [ 8529.986899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8529.986899][ T10] [ 8529.989241][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8529.989241][ T10] netdev_get_by_index+0x5e/0x80 [ 8529.989241][ T10] fib6_nh_init+0x3d8/0x1580 [ 8529.989241][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8529.989241][ T10] ip6_route_add+0x1c/0x140 [ 8529.989241][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8529.989241][ T10] addrconf_add_dev+0xe2/0x170 [ 8529.989241][ T10] inet6_addr_add+0x12f/0xa40 [ 8529.989241][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8529.989241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8529.989241][ T10] netlink_rcv_skb+0x130/0x360 [ 8529.989241][ T10] netlink_unicast+0x449/0x710 [ 8529.989241][ T10] netlink_sendmsg+0x723/0xbe0 [ 8529.989241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8529.989241][ T10] ___sys_sendmsg+0xee/0x170 [ 8529.989241][ T10] __sys_sendmsg+0xcd/0x170 [ 8529.989241][ T10] do_syscall_64+0xc6/0x1e0 [ 8529.989241][ T10] [ 8529.991598][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8529.991598][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8529.991598][ T10] ipv6_find_idev+0x102/0x170 [ 8529.991598][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8529.991598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8529.991598][ T10] netlink_rcv_skb+0x130/0x360 [ 8529.991598][ T10] netlink_unicast+0x449/0x710 [ 8529.991598][ T10] netlink_sendmsg+0x723/0xbe0 [ 8529.991598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8529.991598][ T10] ___sys_sendmsg+0xee/0x170 [ 8529.991598][ T10] __sys_sendmsg+0xcd/0x170 [ 8529.991598][ T10] do_syscall_64+0xc6/0x1e0 [ 8529.991598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8529.991598][ T10] [ 8529.993389][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8529.993389][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8529.993389][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8529.993389][ T10] ipv6_find_idev+0x102/0x170 [ 8529.993389][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8529.993389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8529.993389][ T10] netlink_rcv_skb+0x130/0x360 [ 8529.993389][ T10] netlink_unicast+0x449/0x710 [ 8529.993389][ T10] netlink_sendmsg+0x723/0xbe0 [ 8529.993389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8529.993389][ T10] ___sys_sendmsg+0xee/0x170 [ 8529.993389][ T10] __sys_sendmsg+0xcd/0x170 [ 8529.993389][ T10] do_syscall_64+0xc6/0x1e0 [ 8529.993389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8529.993389][ T10] [ 8530.329038][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8530.329501][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8530.329501][ T1167] dst_init+0x84/0x4a0 [ 8530.329501][ T1167] dst_alloc+0x97/0x150 [ 8530.329501][ T1167] ip6_dst_alloc+0x23/0x90 [ 8530.329501][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8530.329501][ T1167] ip6_pol_route+0x56f/0x840 [ 8530.329501][ T1167] fib6_rule_lookup+0x334/0x630 [ 8530.329501][ T1167] ip6_route_output_flags+0x259/0x480 [ 8530.329501][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8530.329501][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8530.329501][ T1167] netlink_rcv_skb+0x130/0x360 [ 8530.329501][ T1167] netlink_unicast+0x449/0x710 [ 8530.329501][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8530.329501][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8530.329501][ T1167] ___sys_sendmsg+0xee/0x170 [ 8530.329501][ T1167] __sys_sendmsg+0xcd/0x170 [ 8530.329501][ T1167] do_syscall_64+0xc6/0x1e0 [ 8530.329501][ T1167] [ 8530.331781][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8530.331781][ T1167] netdev_get_by_index+0x5e/0x80 [ 8530.331781][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8530.331781][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8530.331781][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8530.331781][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8530.331781][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8530.331781][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8530.331781][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8530.331781][ T1167] addrconf_dad_begin+0x310/0x670 [ 8530.331781][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8530.331781][ T1167] process_one_work+0x84d/0x18a0 [ 8530.331781][ T1167] worker_thread+0x587/0xd30 [ 8530.331781][ T1167] kthread+0x28a/0x350 [ 8530.331781][ T1167] ret_from_fork+0x31/0x70 [ 8530.331781][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8530.331781][ T1167] [ 8530.334013][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8530.334013][ T1167] netdev_get_by_index+0x5e/0x80 [ 8530.334013][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8530.334013][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8530.334013][ T1167] ip6_route_add+0x1c/0x140 [ 8530.334013][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8530.334013][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8530.334013][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8530.334013][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8530.334013][ T1167] netlink_rcv_skb+0x130/0x360 [ 8530.334013][ T1167] netlink_unicast+0x449/0x710 [ 8530.334013][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8530.334013][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8530.334013][ T1167] ___sys_sendmsg+0xee/0x170 [ 8530.334013][ T1167] __sys_sendmsg+0xcd/0x170 [ 8530.334013][ T1167] do_syscall_64+0xc6/0x1e0 [ 8530.334013][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8530.334013][ T1167] [ 8530.336338][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8530.336338][ T1167] netdev_get_by_index+0x5e/0x80 [ 8530.336338][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8530.336338][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8530.336338][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8530.336338][ T1167] ipv6_add_addr+0x411/0x2000 [ 8530.336338][ T1167] inet6_addr_add+0x30e/0xa40 [ 8530.336338][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8530.336338][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8530.336338][ T1167] netlink_rcv_skb+0x130/0x360 [ 8530.336338][ T1167] netlink_unicast+0x449/0x710 [ 8530.336338][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8530.336338][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8530.336338][ T1167] ___sys_sendmsg+0xee/0x170 [ 8530.336338][ T1167] __sys_sendmsg+0xcd/0x170 [ 8530.336338][ T1167] do_syscall_64+0xc6/0x1e0 [ 8530.336338][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8530.336338][ T1167] [ 8530.338682][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8530.338682][ T1167] netdev_get_by_index+0x5e/0x80 [ 8530.338682][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8530.338682][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8530.338682][ T1167] ip6_route_add+0x1c/0x140 [ 8530.338682][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8530.338682][ T1167] addrconf_add_dev+0xe2/0x170 [ 8530.338682][ T1167] inet6_addr_add+0x12f/0xa40 [ 8530.338682][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8530.338682][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8530.338682][ T1167] netlink_rcv_skb+0x130/0x360 [ 8530.338682][ T1167] netlink_unicast+0x449/0x710 [ 8530.338682][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8530.338682][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8530.338682][ T1167] ___sys_sendmsg+0xee/0x170 [ 8530.338682][ T1167] __sys_sendmsg+0xcd/0x170 [ 8530.338682][ T1167] do_syscall_64+0xc6/0x1e0 [ 8530.338682][ T1167] [ 8530.340967][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8530.340967][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8530.340967][ T1167] ipv6_find_idev+0x102/0x170 [ 8530.340967][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8530.340967][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8530.340967][ T1167] netlink_rcv_skb+0x130/0x360 [ 8530.340967][ T1167] netlink_unicast+0x449/0x710 [ 8530.340967][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8530.340967][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8530.340967][ T1167] ___sys_sendmsg+0xee/0x170 [ 8530.340967][ T1167] __sys_sendmsg+0xcd/0x170 [ 8530.340967][ T1167] do_syscall_64+0xc6/0x1e0 [ 8530.340967][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8530.340967][ T1167] [ 8530.342753][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8530.342753][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8530.342753][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8530.342753][ T1167] ipv6_find_idev+0x102/0x170 [ 8530.342753][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8530.342753][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8530.342753][ T1167] netlink_rcv_skb+0x130/0x360 [ 8530.342753][ T1167] netlink_unicast+0x449/0x710 [ 8530.342753][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8530.342753][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8530.342753][ T1167] ___sys_sendmsg+0xee/0x170 [ 8530.342753][ T1167] __sys_sendmsg+0xcd/0x170 [ 8530.342753][ T1167] do_syscall_64+0xc6/0x1e0 [ 8530.342753][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8530.342753][ T1167] [ 8540.233128][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8540.233497][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8540.233497][ T10] netdev_get_by_index+0x5e/0x80 [ 8540.233497][ T10] fib6_nh_init+0x3d8/0x1580 [ 8540.233497][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8540.233497][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8540.233497][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8540.233497][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8540.233497][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8540.233497][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8540.233497][ T10] addrconf_dad_begin+0x310/0x670 [ 8540.233497][ T10] addrconf_dad_work+0x10b/0xab0 [ 8540.233497][ T10] process_one_work+0x84d/0x18a0 [ 8540.233497][ T10] worker_thread+0x587/0xd30 [ 8540.233497][ T10] kthread+0x28a/0x350 [ 8540.233497][ T10] ret_from_fork+0x31/0x70 [ 8540.233497][ T10] ret_from_fork_asm+0x1a/0x30 [ 8540.233497][ T10] [ 8540.236064][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8540.236064][ T10] netdev_get_by_index+0x5e/0x80 [ 8540.236064][ T10] fib6_nh_init+0x3d8/0x1580 [ 8540.236064][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8540.236064][ T10] ip6_route_add+0x1c/0x140 [ 8540.236064][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8540.236064][ T10] inet6_addr_add+0x4f8/0xa40 [ 8540.236064][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8540.236064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8540.236064][ T10] netlink_rcv_skb+0x130/0x360 [ 8540.236064][ T10] netlink_unicast+0x449/0x710 [ 8540.236064][ T10] netlink_sendmsg+0x723/0xbe0 [ 8540.236064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8540.236064][ T10] ___sys_sendmsg+0xee/0x170 [ 8540.236064][ T10] __sys_sendmsg+0xcd/0x170 [ 8540.236064][ T10] do_syscall_64+0xc6/0x1e0 [ 8540.236064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8540.236064][ T10] [ 8540.238174][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8540.238174][ T10] netdev_get_by_index+0x5e/0x80 [ 8540.238174][ T10] fib6_nh_init+0x3d8/0x1580 [ 8540.238174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8540.238174][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8540.238174][ T10] ipv6_add_addr+0x411/0x2000 [ 8540.238174][ T10] inet6_addr_add+0x30e/0xa40 [ 8540.238174][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8540.238174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8540.238174][ T10] netlink_rcv_skb+0x130/0x360 [ 8540.238174][ T10] netlink_unicast+0x449/0x710 [ 8540.238174][ T10] netlink_sendmsg+0x723/0xbe0 [ 8540.238174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8540.238174][ T10] ___sys_sendmsg+0xee/0x170 [ 8540.238174][ T10] __sys_sendmsg+0xcd/0x170 [ 8540.238174][ T10] do_syscall_64+0xc6/0x1e0 [ 8540.238174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8540.238174][ T10] [ 8540.240269][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8540.240269][ T10] netdev_get_by_index+0x5e/0x80 [ 8540.240269][ T10] fib6_nh_init+0x3d8/0x1580 [ 8540.240269][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8540.240269][ T10] ip6_route_add+0x1c/0x140 [ 8540.240269][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8540.240269][ T10] addrconf_add_dev+0xe2/0x170 [ 8540.240269][ T10] inet6_addr_add+0x12f/0xa40 [ 8540.240269][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8540.240269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8540.240269][ T10] netlink_rcv_skb+0x130/0x360 [ 8540.240269][ T10] netlink_unicast+0x449/0x710 [ 8540.240269][ T10] netlink_sendmsg+0x723/0xbe0 [ 8540.240269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8540.240269][ T10] ___sys_sendmsg+0xee/0x170 [ 8540.240269][ T10] __sys_sendmsg+0xcd/0x170 [ 8540.240269][ T10] do_syscall_64+0xc6/0x1e0 [ 8540.240269][ T10] [ 8540.242337][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8540.242337][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8540.242337][ T10] ipv6_find_idev+0x102/0x170 [ 8540.242337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8540.242337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8540.242337][ T10] netlink_rcv_skb+0x130/0x360 [ 8540.242337][ T10] netlink_unicast+0x449/0x710 [ 8540.242337][ T10] netlink_sendmsg+0x723/0xbe0 [ 8540.242337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8540.242337][ T10] ___sys_sendmsg+0xee/0x170 [ 8540.242337][ T10] __sys_sendmsg+0xcd/0x170 [ 8540.242337][ T10] do_syscall_64+0xc6/0x1e0 [ 8540.242337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8540.242337][ T10] [ 8540.243958][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8540.243958][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8540.243958][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8540.243958][ T10] ipv6_find_idev+0x102/0x170 [ 8540.243958][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8540.243958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8540.243958][ T10] netlink_rcv_skb+0x130/0x360 [ 8540.243958][ T10] netlink_unicast+0x449/0x710 [ 8540.243958][ T10] netlink_sendmsg+0x723/0xbe0 [ 8540.243958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8540.243958][ T10] ___sys_sendmsg+0xee/0x170 [ 8540.243958][ T10] __sys_sendmsg+0xcd/0x170 [ 8540.243958][ T10] do_syscall_64+0xc6/0x1e0 [ 8540.243958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8540.243958][ T10] [ 8540.245744][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8540.246010][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8540.246010][ T10] netdev_get_by_index+0x5e/0x80 [ 8540.246010][ T10] fib6_nh_init+0x3d8/0x1580 [ 8540.246010][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8540.246010][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8540.246010][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8540.246010][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8540.246010][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8540.246010][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8540.246010][ T10] addrconf_dad_begin+0x310/0x670 [ 8540.246010][ T10] addrconf_dad_work+0x10b/0xab0 [ 8540.246010][ T10] process_one_work+0x84d/0x18a0 [ 8540.246010][ T10] worker_thread+0x587/0xd30 [ 8540.246010][ T10] kthread+0x28a/0x350 [ 8540.246010][ T10] ret_from_fork+0x31/0x70 [ 8540.246010][ T10] ret_from_fork_asm+0x1a/0x30 [ 8540.246010][ T10] [ 8540.248019][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8540.248019][ T10] netdev_get_by_index+0x5e/0x80 [ 8540.248019][ T10] fib6_nh_init+0x3d8/0x1580 [ 8540.248019][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8540.248019][ T10] ip6_route_add+0x1c/0x140 [ 8540.248019][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8540.248019][ T10] inet6_addr_add+0x4f8/0xa40 [ 8540.248019][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8540.248019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8540.248019][ T10] netlink_rcv_skb+0x130/0x360 [ 8540.248019][ T10] netlink_unicast+0x449/0x710 [ 8540.248019][ T10] netlink_sendmsg+0x723/0xbe0 [ 8540.248019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8540.248019][ T10] ___sys_sendmsg+0xee/0x170 [ 8540.248019][ T10] __sys_sendmsg+0xcd/0x170 [ 8540.248019][ T10] do_syscall_64+0xc6/0x1e0 [ 8540.248019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8540.248019][ T10] [ 8540.250127][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8540.250127][ T10] netdev_get_by_index+0x5e/0x80 [ 8540.250127][ T10] fib6_nh_init+0x3d8/0x1580 [ 8540.250127][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8540.250127][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8540.250127][ T10] ipv6_add_addr+0x411/0x2000 [ 8540.250127][ T10] inet6_addr_add+0x30e/0xa40 [ 8540.250127][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8540.250127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8540.250127][ T10] netlink_rcv_skb+0x130/0x360 [ 8540.250127][ T10] netlink_unicast+0x449/0x710 [ 8540.250127][ T10] netlink_sendmsg+0x723/0xbe0 [ 8540.250127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8540.250127][ T10] ___sys_sendmsg+0xee/0x170 [ 8540.250127][ T10] __sys_sendmsg+0xcd/0x170 [ 8540.250127][ T10] do_syscall_64+0xc6/0x1e0 [ 8540.250127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8540.250127][ T10] [ 8540.252222][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8540.252222][ T10] netdev_get_by_index+0x5e/0x80 [ 8540.252222][ T10] fib6_nh_init+0x3d8/0x1580 [ 8540.252222][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8540.252222][ T10] ip6_route_add+0x1c/0x140 [ 8540.252222][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8540.252222][ T10] addrconf_add_dev+0xe2/0x170 [ 8540.252222][ T10] inet6_addr_add+0x12f/0xa40 [ 8540.252222][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8540.252222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8540.252222][ T10] netlink_rcv_skb+0x130/0x360 [ 8540.252222][ T10] netlink_unicast+0x449/0x710 [ 8540.252222][ T10] netlink_sendmsg+0x723/0xbe0 [ 8540.252222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8540.252222][ T10] ___sys_sendmsg+0xee/0x170 [ 8540.252222][ T10] __sys_sendmsg+0xcd/0x170 [ 8540.252222][ T10] do_syscall_64+0xc6/0x1e0 [ 8540.252222][ T10] [ 8540.254282][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8540.254282][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8540.254282][ T10] ipv6_find_idev+0x102/0x170 [ 8540.254282][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8540.254282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8540.254282][ T10] netlink_rcv_skb+0x130/0x360 [ 8540.254282][ T10] netlink_unicast+0x449/0x710 [ 8540.254282][ T10] netlink_sendmsg+0x723/0xbe0 [ 8540.254282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8540.254282][ T10] ___sys_sendmsg+0xee/0x170 [ 8540.254282][ T10] __sys_sendmsg+0xcd/0x170 [ 8540.254282][ T10] do_syscall_64+0xc6/0x1e0 [ 8540.254282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8540.254282][ T10] [ 8540.255897][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8540.255897][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8540.255897][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8540.255897][ T10] ipv6_find_idev+0x102/0x170 [ 8540.255897][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8540.255897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8540.255897][ T10] netlink_rcv_skb+0x130/0x360 [ 8540.255897][ T10] netlink_unicast+0x449/0x710 [ 8540.255897][ T10] netlink_sendmsg+0x723/0xbe0 [ 8540.255897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8540.255897][ T10] ___sys_sendmsg+0xee/0x170 [ 8540.255897][ T10] __sys_sendmsg+0xcd/0x170 [ 8540.255897][ T10] do_syscall_64+0xc6/0x1e0 [ 8540.255897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8540.255897][ T10] [ 8540.257664][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8540.257925][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8540.257925][ T10] netdev_get_by_index+0x5e/0x80 [ 8540.257925][ T10] fib6_nh_init+0x3d8/0x1580 [ 8540.257925][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8540.257925][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8540.257925][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8540.257925][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8540.257925][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8540.257925][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8540.257925][ T10] addrconf_dad_begin+0x310/0x670 [ 8540.257925][ T10] addrconf_dad_work+0x10b/0xab0 [ 8540.257925][ T10] process_one_work+0x84d/0x18a0 [ 8540.257925][ T10] worker_thread+0x587/0xd30 [ 8540.257925][ T10] kthread+0x28a/0x350 [ 8540.257925][ T10] ret_from_fork+0x31/0x70 [ 8540.257925][ T10] ret_from_fork_asm+0x1a/0x30 [ 8540.257925][ T10] [ 8540.259933][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8540.259933][ T10] netdev_get_by_index+0x5e/0x80 [ 8540.259933][ T10] fib6_nh_init+0x3d8/0x1580 [ 8540.259933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8540.259933][ T10] ip6_route_add+0x1c/0x140 [ 8540.259933][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8540.259933][ T10] inet6_addr_add+0x4f8/0xa40 [ 8540.259933][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8540.259933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8540.259933][ T10] netlink_rcv_skb+0x130/0x360 [ 8540.259933][ T10] netlink_unicast+0x449/0x710 [ 8540.259933][ T10] netlink_sendmsg+0x723/0xbe0 [ 8540.259933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8540.259933][ T10] ___sys_sendmsg+0xee/0x170 [ 8540.259933][ T10] __sys_sendmsg+0xcd/0x170 [ 8540.259933][ T10] do_syscall_64+0xc6/0x1e0 [ 8540.259933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8540.259933][ T10] [ 8540.262151][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8540.262151][ T10] netdev_get_by_index+0x5e/0x80 [ 8540.262151][ T10] fib6_nh_init+0x3d8/0x1580 [ 8540.262151][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8540.262151][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8540.262151][ T10] ipv6_add_addr+0x411/0x2000 [ 8540.262151][ T10] inet6_addr_add+0x30e/0xa40 [ 8540.262151][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8540.262151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8540.262151][ T10] netlink_rcv_skb+0x130/0x360 [ 8540.262151][ T10] netlink_unicast+0x449/0x710 [ 8540.262151][ T10] netlink_sendmsg+0x723/0xbe0 [ 8540.262151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8540.262151][ T10] ___sys_sendmsg+0xee/0x170 [ 8540.262151][ T10] __sys_sendmsg+0xcd/0x170 [ 8540.262151][ T10] do_syscall_64+0xc6/0x1e0 [ 8540.262151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8540.262151][ T10] [ 8540.264546][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8540.264546][ T10] netdev_get_by_index+0x5e/0x80 [ 8540.264546][ T10] fib6_nh_init+0x3d8/0x1580 [ 8540.264546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8540.264546][ T10] ip6_route_add+0x1c/0x140 [ 8540.264546][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8540.264546][ T10] addrconf_add_dev+0xe2/0x170 [ 8540.264546][ T10] inet6_addr_add+0x12f/0xa40 [ 8540.264546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8540.264546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8540.264546][ T10] netlink_rcv_skb+0x130/0x360 [ 8540.264546][ T10] netlink_unicast+0x449/0x710 [ 8540.264546][ T10] netlink_sendmsg+0x723/0xbe0 [ 8540.264546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8540.264546][ T10] ___sys_sendmsg+0xee/0x170 [ 8540.264546][ T10] __sys_sendmsg+0xcd/0x170 [ 8540.264546][ T10] do_syscall_64+0xc6/0x1e0 [ 8540.264546][ T10] [ 8540.266780][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8540.266780][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8540.266780][ T10] ipv6_find_idev+0x102/0x170 [ 8540.266780][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8540.266780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8540.266780][ T10] netlink_rcv_skb+0x130/0x360 [ 8540.266780][ T10] netlink_unicast+0x449/0x710 [ 8540.266780][ T10] netlink_sendmsg+0x723/0xbe0 [ 8540.266780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8540.266780][ T10] ___sys_sendmsg+0xee/0x170 [ 8540.266780][ T10] __sys_sendmsg+0xcd/0x170 [ 8540.266780][ T10] do_syscall_64+0xc6/0x1e0 [ 8540.266780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8540.266780][ T10] [ 8540.268579][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8540.268579][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8540.268579][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8540.268579][ T10] ipv6_find_idev+0x102/0x170 [ 8540.268579][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8540.268579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8540.268579][ T10] netlink_rcv_skb+0x130/0x360 [ 8540.268579][ T10] netlink_unicast+0x449/0x710 [ 8540.268579][ T10] netlink_sendmsg+0x723/0xbe0 [ 8540.268579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8540.268579][ T10] ___sys_sendmsg+0xee/0x170 [ 8540.268579][ T10] __sys_sendmsg+0xcd/0x170 [ 8540.268579][ T10] do_syscall_64+0xc6/0x1e0 [ 8540.268579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8540.268579][ T10] [ 8540.270580][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8540.270831][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8540.270831][ T10] netdev_get_by_index+0x5e/0x80 [ 8540.270831][ T10] fib6_nh_init+0x3d8/0x1580 [ 8540.270831][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8540.270831][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8540.270831][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8540.270831][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8540.270831][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8540.270831][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8540.270831][ T10] addrconf_dad_begin+0x310/0x670 [ 8540.270831][ T10] addrconf_dad_work+0x10b/0xab0 [ 8540.270831][ T10] process_one_work+0x84d/0x18a0 [ 8540.270831][ T10] worker_thread+0x587/0xd30 [ 8540.270831][ T10] kthread+0x28a/0x350 [ 8540.270831][ T10] ret_from_fork+0x31/0x70 [ 8540.270831][ T10] ret_from_fork_asm+0x1a/0x30 [ 8540.270831][ T10] [ 8540.273137][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8540.273137][ T10] netdev_get_by_index+0x5e/0x80 [ 8540.273137][ T10] fib6_nh_init+0x3d8/0x1580 [ 8540.273137][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8540.273137][ T10] ip6_route_add+0x1c/0x140 [ 8540.273137][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8540.273137][ T10] inet6_addr_add+0x4f8/0xa40 [ 8540.273137][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8540.273137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8540.273137][ T10] netlink_rcv_skb+0x130/0x360 [ 8540.273137][ T10] netlink_unicast+0x449/0x710 [ 8540.273137][ T10] netlink_sendmsg+0x723/0xbe0 [ 8540.273137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8540.273137][ T10] ___sys_sendmsg+0xee/0x170 [ 8540.273137][ T10] __sys_sendmsg+0xcd/0x170 [ 8540.273137][ T10] do_syscall_64+0xc6/0x1e0 [ 8540.273137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8540.273137][ T10] [ 8540.275409][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8540.275409][ T10] netdev_get_by_index+0x5e/0x80 [ 8540.275409][ T10] fib6_nh_init+0x3d8/0x1580 [ 8540.275409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8540.275409][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8540.275409][ T10] ipv6_add_addr+0x411/0x2000 [ 8540.275409][ T10] inet6_addr_add+0x30e/0xa40 [ 8540.275409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8540.275409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8540.275409][ T10] netlink_rcv_skb+0x130/0x360 [ 8540.275409][ T10] netlink_unicast+0x449/0x710 [ 8540.275409][ T10] netlink_sendmsg+0x723/0xbe0 [ 8540.275409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8540.275409][ T10] ___sys_sendmsg+0xee/0x170 [ 8540.275409][ T10] __sys_sendmsg+0xcd/0x170 [ 8540.275409][ T10] do_syscall_64+0xc6/0x1e0 [ 8540.275409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8540.275409][ T10] [ 8540.277752][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8540.277752][ T10] netdev_get_by_index+0x5e/0x80 [ 8540.277752][ T10] fib6_nh_init+0x3d8/0x1580 [ 8540.277752][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8540.277752][ T10] ip6_route_add+0x1c/0x140 [ 8540.277752][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8540.277752][ T10] addrconf_add_dev+0xe2/0x170 [ 8540.277752][ T10] inet6_addr_add+0x12f/0xa40 [ 8540.277752][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8540.277752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8540.277752][ T10] netlink_rcv_skb+0x130/0x360 [ 8540.277752][ T10] netlink_unicast+0x449/0x710 [ 8540.277752][ T10] netlink_sendmsg+0x723/0xbe0 [ 8540.277752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8540.277752][ T10] ___sys_sendmsg+0xee/0x170 [ 8540.277752][ T10] __sys_sendmsg+0xcd/0x170 [ 8540.277752][ T10] do_syscall_64+0xc6/0x1e0 [ 8540.277752][ T10] [ 8540.280062][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8540.280062][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8540.280062][ T10] ipv6_find_idev+0x102/0x170 [ 8540.280062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8540.280062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8540.280062][ T10] netlink_rcv_skb+0x130/0x360 [ 8540.280062][ T10] netlink_unicast+0x449/0x710 [ 8540.280062][ T10] netlink_sendmsg+0x723/0xbe0 [ 8540.280062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8540.280062][ T10] ___sys_sendmsg+0xee/0x170 [ 8540.280062][ T10] __sys_sendmsg+0xcd/0x170 [ 8540.280062][ T10] do_syscall_64+0xc6/0x1e0 [ 8540.280062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8540.280062][ T10] [ 8540.281857][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8540.281857][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8540.281857][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8540.281857][ T10] ipv6_find_idev+0x102/0x170 [ 8540.281857][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8540.281857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8540.281857][ T10] netlink_rcv_skb+0x130/0x360 [ 8540.281857][ T10] netlink_unicast+0x449/0x710 [ 8540.281857][ T10] netlink_sendmsg+0x723/0xbe0 [ 8540.281857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8540.281857][ T10] ___sys_sendmsg+0xee/0x170 [ 8540.281857][ T10] __sys_sendmsg+0xcd/0x170 [ 8540.281857][ T10] do_syscall_64+0xc6/0x1e0 [ 8540.281857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8540.281857][ T10] [ 8540.585120][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8540.585554][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8540.585554][ T1167] dst_init+0x84/0x4a0 [ 8540.585554][ T1167] dst_alloc+0x97/0x150 [ 8540.585554][ T1167] ip6_dst_alloc+0x23/0x90 [ 8540.585554][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8540.585554][ T1167] ip6_pol_route+0x56f/0x840 [ 8540.585554][ T1167] fib6_rule_lookup+0x334/0x630 [ 8540.585554][ T1167] ip6_route_output_flags+0x259/0x480 [ 8540.585554][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8540.585554][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8540.585554][ T1167] netlink_rcv_skb+0x130/0x360 [ 8540.585554][ T1167] netlink_unicast+0x449/0x710 [ 8540.585554][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8540.585554][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8540.585554][ T1167] ___sys_sendmsg+0xee/0x170 [ 8540.585554][ T1167] __sys_sendmsg+0xcd/0x170 [ 8540.585554][ T1167] do_syscall_64+0xc6/0x1e0 [ 8540.585554][ T1167] [ 8540.587856][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8540.587856][ T1167] netdev_get_by_index+0x5e/0x80 [ 8540.587856][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8540.587856][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8540.587856][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8540.587856][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8540.587856][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8540.587856][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8540.587856][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8540.587856][ T1167] addrconf_dad_begin+0x310/0x670 [ 8540.587856][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8540.587856][ T1167] process_one_work+0x84d/0x18a0 [ 8540.587856][ T1167] worker_thread+0x587/0xd30 [ 8540.587856][ T1167] kthread+0x28a/0x350 [ 8540.587856][ T1167] ret_from_fork+0x31/0x70 [ 8540.587856][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8540.587856][ T1167] [ 8540.590104][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8540.590104][ T1167] netdev_get_by_index+0x5e/0x80 [ 8540.590104][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8540.590104][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8540.590104][ T1167] ip6_route_add+0x1c/0x140 [ 8540.590104][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8540.590104][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8540.590104][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8540.590104][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8540.590104][ T1167] netlink_rcv_skb+0x130/0x360 [ 8540.590104][ T1167] netlink_unicast+0x449/0x710 [ 8540.590104][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8540.590104][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8540.590104][ T1167] ___sys_sendmsg+0xee/0x170 [ 8540.590104][ T1167] __sys_sendmsg+0xcd/0x170 [ 8540.590104][ T1167] do_syscall_64+0xc6/0x1e0 [ 8540.590104][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8540.590104][ T1167] [ 8540.592441][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8540.592441][ T1167] netdev_get_by_index+0x5e/0x80 [ 8540.592441][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8540.592441][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8540.592441][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8540.592441][ T1167] ipv6_add_addr+0x411/0x2000 [ 8540.592441][ T1167] inet6_addr_add+0x30e/0xa40 [ 8540.592441][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8540.592441][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8540.592441][ T1167] netlink_rcv_skb+0x130/0x360 [ 8540.592441][ T1167] netlink_unicast+0x449/0x710 [ 8540.592441][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8540.592441][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8540.592441][ T1167] ___sys_sendmsg+0xee/0x170 [ 8540.592441][ T1167] __sys_sendmsg+0xcd/0x170 [ 8540.592441][ T1167] do_syscall_64+0xc6/0x1e0 [ 8540.592441][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8540.592441][ T1167] [ 8540.594772][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8540.594772][ T1167] netdev_get_by_index+0x5e/0x80 [ 8540.594772][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8540.594772][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8540.594772][ T1167] ip6_route_add+0x1c/0x140 [ 8540.594772][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8540.594772][ T1167] addrconf_add_dev+0xe2/0x170 [ 8540.594772][ T1167] inet6_addr_add+0x12f/0xa40 [ 8540.594772][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8540.594772][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8540.594772][ T1167] netlink_rcv_skb+0x130/0x360 [ 8540.594772][ T1167] netlink_unicast+0x449/0x710 [ 8540.594772][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8540.594772][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8540.594772][ T1167] ___sys_sendmsg+0xee/0x170 [ 8540.594772][ T1167] __sys_sendmsg+0xcd/0x170 [ 8540.594772][ T1167] do_syscall_64+0xc6/0x1e0 [ 8540.594772][ T1167] [ 8540.597004][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8540.597004][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8540.597004][ T1167] ipv6_find_idev+0x102/0x170 [ 8540.597004][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8540.597004][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8540.597004][ T1167] netlink_rcv_skb+0x130/0x360 [ 8540.597004][ T1167] netlink_unicast+0x449/0x710 [ 8540.597004][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8540.597004][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8540.597004][ T1167] ___sys_sendmsg+0xee/0x170 [ 8540.597004][ T1167] __sys_sendmsg+0xcd/0x170 [ 8540.597004][ T1167] do_syscall_64+0xc6/0x1e0 [ 8540.597004][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8540.597004][ T1167] [ 8540.598741][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8540.598741][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8540.598741][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8540.598741][ T1167] ipv6_find_idev+0x102/0x170 [ 8540.598741][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8540.598741][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8540.598741][ T1167] netlink_rcv_skb+0x130/0x360 [ 8540.598741][ T1167] netlink_unicast+0x449/0x710 [ 8540.598741][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8540.598741][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8540.598741][ T1167] ___sys_sendmsg+0xee/0x170 [ 8540.598741][ T1167] __sys_sendmsg+0xcd/0x170 [ 8540.598741][ T1167] do_syscall_64+0xc6/0x1e0 [ 8540.598741][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8540.598741][ T1167] [ 8550.521040][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8550.521445][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8550.521445][ T10] netdev_get_by_index+0x5e/0x80 [ 8550.521445][ T10] fib6_nh_init+0x3d8/0x1580 [ 8550.521445][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8550.521445][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8550.521445][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8550.521445][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8550.521445][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8550.521445][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8550.521445][ T10] addrconf_dad_begin+0x310/0x670 [ 8550.521445][ T10] addrconf_dad_work+0x10b/0xab0 [ 8550.521445][ T10] process_one_work+0x84d/0x18a0 [ 8550.521445][ T10] worker_thread+0x587/0xd30 [ 8550.521445][ T10] kthread+0x28a/0x350 [ 8550.521445][ T10] ret_from_fork+0x31/0x70 [ 8550.521445][ T10] ret_from_fork_asm+0x1a/0x30 [ 8550.521445][ T10] [ 8550.523371][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8550.523371][ T10] netdev_get_by_index+0x5e/0x80 [ 8550.523371][ T10] fib6_nh_init+0x3d8/0x1580 [ 8550.523371][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8550.523371][ T10] ip6_route_add+0x1c/0x140 [ 8550.523371][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8550.523371][ T10] inet6_addr_add+0x4f8/0xa40 [ 8550.523371][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8550.523371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8550.523371][ T10] netlink_rcv_skb+0x130/0x360 [ 8550.523371][ T10] netlink_unicast+0x449/0x710 [ 8550.523371][ T10] netlink_sendmsg+0x723/0xbe0 [ 8550.523371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8550.523371][ T10] ___sys_sendmsg+0xee/0x170 [ 8550.523371][ T10] __sys_sendmsg+0xcd/0x170 [ 8550.523371][ T10] do_syscall_64+0xc6/0x1e0 [ 8550.523371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8550.523371][ T10] [ 8550.525344][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8550.525344][ T10] netdev_get_by_index+0x5e/0x80 [ 8550.525344][ T10] fib6_nh_init+0x3d8/0x1580 [ 8550.525344][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8550.525344][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8550.525344][ T10] ipv6_add_addr+0x411/0x2000 [ 8550.525344][ T10] inet6_addr_add+0x30e/0xa40 [ 8550.525344][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8550.525344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8550.525344][ T10] netlink_rcv_skb+0x130/0x360 [ 8550.525344][ T10] netlink_unicast+0x449/0x710 [ 8550.525344][ T10] netlink_sendmsg+0x723/0xbe0 [ 8550.525344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8550.525344][ T10] ___sys_sendmsg+0xee/0x170 [ 8550.525344][ T10] __sys_sendmsg+0xcd/0x170 [ 8550.525344][ T10] do_syscall_64+0xc6/0x1e0 [ 8550.525344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8550.525344][ T10] [ 8550.527317][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8550.527317][ T10] netdev_get_by_index+0x5e/0x80 [ 8550.527317][ T10] fib6_nh_init+0x3d8/0x1580 [ 8550.527317][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8550.527317][ T10] ip6_route_add+0x1c/0x140 [ 8550.527317][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8550.527317][ T10] addrconf_add_dev+0xe2/0x170 [ 8550.527317][ T10] inet6_addr_add+0x12f/0xa40 [ 8550.527317][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8550.527317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8550.527317][ T10] netlink_rcv_skb+0x130/0x360 [ 8550.527317][ T10] netlink_unicast+0x449/0x710 [ 8550.527317][ T10] netlink_sendmsg+0x723/0xbe0 [ 8550.527317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8550.527317][ T10] ___sys_sendmsg+0xee/0x170 [ 8550.527317][ T10] __sys_sendmsg+0xcd/0x170 [ 8550.527317][ T10] do_syscall_64+0xc6/0x1e0 [ 8550.527317][ T10] [ 8550.529263][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8550.529263][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8550.529263][ T10] ipv6_find_idev+0x102/0x170 [ 8550.529263][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8550.529263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8550.529263][ T10] netlink_rcv_skb+0x130/0x360 [ 8550.529263][ T10] netlink_unicast+0x449/0x710 [ 8550.529263][ T10] netlink_sendmsg+0x723/0xbe0 [ 8550.529263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8550.529263][ T10] ___sys_sendmsg+0xee/0x170 [ 8550.529263][ T10] __sys_sendmsg+0xcd/0x170 [ 8550.529263][ T10] do_syscall_64+0xc6/0x1e0 [ 8550.529263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8550.529263][ T10] [ 8550.530782][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8550.530782][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8550.530782][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8550.530782][ T10] ipv6_find_idev+0x102/0x170 [ 8550.530782][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8550.530782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8550.530782][ T10] netlink_rcv_skb+0x130/0x360 [ 8550.530782][ T10] netlink_unicast+0x449/0x710 [ 8550.530782][ T10] netlink_sendmsg+0x723/0xbe0 [ 8550.530782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8550.530782][ T10] ___sys_sendmsg+0xee/0x170 [ 8550.530782][ T10] __sys_sendmsg+0xcd/0x170 [ 8550.530782][ T10] do_syscall_64+0xc6/0x1e0 [ 8550.530782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8550.530782][ T10] [ 8550.532452][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8550.532689][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8550.532689][ T10] netdev_get_by_index+0x5e/0x80 [ 8550.532689][ T10] fib6_nh_init+0x3d8/0x1580 [ 8550.532689][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8550.532689][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8550.532689][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8550.532689][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8550.532689][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8550.532689][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8550.532689][ T10] addrconf_dad_begin+0x310/0x670 [ 8550.532689][ T10] addrconf_dad_work+0x10b/0xab0 [ 8550.532689][ T10] process_one_work+0x84d/0x18a0 [ 8550.532689][ T10] worker_thread+0x587/0xd30 [ 8550.532689][ T10] kthread+0x28a/0x350 [ 8550.532689][ T10] ret_from_fork+0x31/0x70 [ 8550.532689][ T10] ret_from_fork_asm+0x1a/0x30 [ 8550.532689][ T10] [ 8550.534576][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8550.534576][ T10] netdev_get_by_index+0x5e/0x80 [ 8550.534576][ T10] fib6_nh_init+0x3d8/0x1580 [ 8550.534576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8550.534576][ T10] ip6_route_add+0x1c/0x140 [ 8550.534576][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8550.534576][ T10] inet6_addr_add+0x4f8/0xa40 [ 8550.534576][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8550.534576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8550.534576][ T10] netlink_rcv_skb+0x130/0x360 [ 8550.534576][ T10] netlink_unicast+0x449/0x710 [ 8550.534576][ T10] netlink_sendmsg+0x723/0xbe0 [ 8550.534576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8550.534576][ T10] ___sys_sendmsg+0xee/0x170 [ 8550.534576][ T10] __sys_sendmsg+0xcd/0x170 [ 8550.534576][ T10] do_syscall_64+0xc6/0x1e0 [ 8550.534576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8550.534576][ T10] [ 8550.536552][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8550.536552][ T10] netdev_get_by_index+0x5e/0x80 [ 8550.536552][ T10] fib6_nh_init+0x3d8/0x1580 [ 8550.536552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8550.536552][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8550.536552][ T10] ipv6_add_addr+0x411/0x2000 [ 8550.536552][ T10] inet6_addr_add+0x30e/0xa40 [ 8550.536552][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8550.536552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8550.536552][ T10] netlink_rcv_skb+0x130/0x360 [ 8550.536552][ T10] netlink_unicast+0x449/0x710 [ 8550.536552][ T10] netlink_sendmsg+0x723/0xbe0 [ 8550.536552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8550.536552][ T10] ___sys_sendmsg+0xee/0x170 [ 8550.536552][ T10] __sys_sendmsg+0xcd/0x170 [ 8550.536552][ T10] do_syscall_64+0xc6/0x1e0 [ 8550.536552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8550.536552][ T10] [ 8550.538535][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8550.538535][ T10] netdev_get_by_index+0x5e/0x80 [ 8550.538535][ T10] fib6_nh_init+0x3d8/0x1580 [ 8550.538535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8550.538535][ T10] ip6_route_add+0x1c/0x140 [ 8550.538535][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8550.538535][ T10] addrconf_add_dev+0xe2/0x170 [ 8550.538535][ T10] inet6_addr_add+0x12f/0xa40 [ 8550.538535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8550.538535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8550.538535][ T10] netlink_rcv_skb+0x130/0x360 [ 8550.538535][ T10] netlink_unicast+0x449/0x710 [ 8550.538535][ T10] netlink_sendmsg+0x723/0xbe0 [ 8550.538535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8550.538535][ T10] ___sys_sendmsg+0xee/0x170 [ 8550.538535][ T10] __sys_sendmsg+0xcd/0x170 [ 8550.538535][ T10] do_syscall_64+0xc6/0x1e0 [ 8550.538535][ T10] [ 8550.540476][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8550.540476][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8550.540476][ T10] ipv6_find_idev+0x102/0x170 [ 8550.540476][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8550.540476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8550.540476][ T10] netlink_rcv_skb+0x130/0x360 [ 8550.540476][ T10] netlink_unicast+0x449/0x710 [ 8550.540476][ T10] netlink_sendmsg+0x723/0xbe0 [ 8550.540476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8550.540476][ T10] ___sys_sendmsg+0xee/0x170 [ 8550.540476][ T10] __sys_sendmsg+0xcd/0x170 [ 8550.540476][ T10] do_syscall_64+0xc6/0x1e0 [ 8550.540476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8550.540476][ T10] [ 8550.541993][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8550.541993][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8550.541993][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8550.541993][ T10] ipv6_find_idev+0x102/0x170 [ 8550.541993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8550.541993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8550.541993][ T10] netlink_rcv_skb+0x130/0x360 [ 8550.541993][ T10] netlink_unicast+0x449/0x710 [ 8550.541993][ T10] netlink_sendmsg+0x723/0xbe0 [ 8550.541993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8550.541993][ T10] ___sys_sendmsg+0xee/0x170 [ 8550.541993][ T10] __sys_sendmsg+0xcd/0x170 [ 8550.541993][ T10] do_syscall_64+0xc6/0x1e0 [ 8550.541993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8550.541993][ T10] [ 8550.543648][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8550.543883][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8550.543883][ T10] netdev_get_by_index+0x5e/0x80 [ 8550.543883][ T10] fib6_nh_init+0x3d8/0x1580 [ 8550.543883][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8550.543883][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8550.543883][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8550.543883][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8550.543883][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8550.543883][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8550.543883][ T10] addrconf_dad_begin+0x310/0x670 [ 8550.543883][ T10] addrconf_dad_work+0x10b/0xab0 [ 8550.543883][ T10] process_one_work+0x84d/0x18a0 [ 8550.543883][ T10] worker_thread+0x587/0xd30 [ 8550.543883][ T10] kthread+0x28a/0x350 [ 8550.543883][ T10] ret_from_fork+0x31/0x70 [ 8550.543883][ T10] ret_from_fork_asm+0x1a/0x30 [ 8550.543883][ T10] [ 8550.545777][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8550.545777][ T10] netdev_get_by_index+0x5e/0x80 [ 8550.545777][ T10] fib6_nh_init+0x3d8/0x1580 [ 8550.545777][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8550.545777][ T10] ip6_route_add+0x1c/0x140 [ 8550.545777][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8550.545777][ T10] inet6_addr_add+0x4f8/0xa40 [ 8550.545777][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8550.545777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8550.545777][ T10] netlink_rcv_skb+0x130/0x360 [ 8550.545777][ T10] netlink_unicast+0x449/0x710 [ 8550.545777][ T10] netlink_sendmsg+0x723/0xbe0 [ 8550.545777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8550.545777][ T10] ___sys_sendmsg+0xee/0x170 [ 8550.545777][ T10] __sys_sendmsg+0xcd/0x170 [ 8550.545777][ T10] do_syscall_64+0xc6/0x1e0 [ 8550.545777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8550.545777][ T10] [ 8550.547873][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8550.547873][ T10] netdev_get_by_index+0x5e/0x80 [ 8550.547873][ T10] fib6_nh_init+0x3d8/0x1580 [ 8550.547873][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8550.547873][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8550.547873][ T10] ipv6_add_addr+0x411/0x2000 [ 8550.547873][ T10] inet6_addr_add+0x30e/0xa40 [ 8550.547873][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8550.547873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8550.547873][ T10] netlink_rcv_skb+0x130/0x360 [ 8550.547873][ T10] netlink_unicast+0x449/0x710 [ 8550.547873][ T10] netlink_sendmsg+0x723/0xbe0 [ 8550.547873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8550.547873][ T10] ___sys_sendmsg+0xee/0x170 [ 8550.547873][ T10] __sys_sendmsg+0xcd/0x170 [ 8550.547873][ T10] do_syscall_64+0xc6/0x1e0 [ 8550.547873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8550.547873][ T10] [ 8550.549989][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8550.549989][ T10] netdev_get_by_index+0x5e/0x80 [ 8550.549989][ T10] fib6_nh_init+0x3d8/0x1580 [ 8550.549989][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8550.549989][ T10] ip6_route_add+0x1c/0x140 [ 8550.549989][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8550.549989][ T10] addrconf_add_dev+0xe2/0x170 [ 8550.549989][ T10] inet6_addr_add+0x12f/0xa40 [ 8550.549989][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8550.549989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8550.549989][ T10] netlink_rcv_skb+0x130/0x360 [ 8550.549989][ T10] netlink_unicast+0x449/0x710 [ 8550.549989][ T10] netlink_sendmsg+0x723/0xbe0 [ 8550.549989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8550.549989][ T10] ___sys_sendmsg+0xee/0x170 [ 8550.549989][ T10] __sys_sendmsg+0xcd/0x170 [ 8550.549989][ T10] do_syscall_64+0xc6/0x1e0 [ 8550.549989][ T10] [ 8550.552051][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8550.552051][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8550.552051][ T10] ipv6_find_idev+0x102/0x170 [ 8550.552051][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8550.552051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8550.552051][ T10] netlink_rcv_skb+0x130/0x360 [ 8550.552051][ T10] netlink_unicast+0x449/0x710 [ 8550.552051][ T10] netlink_sendmsg+0x723/0xbe0 [ 8550.552051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8550.552051][ T10] ___sys_sendmsg+0xee/0x170 [ 8550.552051][ T10] __sys_sendmsg+0xcd/0x170 [ 8550.552051][ T10] do_syscall_64+0xc6/0x1e0 [ 8550.552051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8550.552051][ T10] [ 8550.553633][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8550.553633][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8550.553633][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8550.553633][ T10] ipv6_find_idev+0x102/0x170 [ 8550.553633][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8550.553633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8550.553633][ T10] netlink_rcv_skb+0x130/0x360 [ 8550.553633][ T10] netlink_unicast+0x449/0x710 [ 8550.553633][ T10] netlink_sendmsg+0x723/0xbe0 [ 8550.553633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8550.553633][ T10] ___sys_sendmsg+0xee/0x170 [ 8550.553633][ T10] __sys_sendmsg+0xcd/0x170 [ 8550.553633][ T10] do_syscall_64+0xc6/0x1e0 [ 8550.553633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8550.553633][ T10] [ 8550.555420][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8550.555663][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8550.555663][ T10] netdev_get_by_index+0x5e/0x80 [ 8550.555663][ T10] fib6_nh_init+0x3d8/0x1580 [ 8550.555663][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8550.555663][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8550.555663][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8550.555663][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8550.555663][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8550.555663][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8550.555663][ T10] addrconf_dad_begin+0x310/0x670 [ 8550.555663][ T10] addrconf_dad_work+0x10b/0xab0 [ 8550.555663][ T10] process_one_work+0x84d/0x18a0 [ 8550.555663][ T10] worker_thread+0x587/0xd30 [ 8550.555663][ T10] kthread+0x28a/0x350 [ 8550.555663][ T10] ret_from_fork+0x31/0x70 [ 8550.555663][ T10] ret_from_fork_asm+0x1a/0x30 [ 8550.555663][ T10] [ 8550.557676][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8550.557676][ T10] netdev_get_by_index+0x5e/0x80 [ 8550.557676][ T10] fib6_nh_init+0x3d8/0x1580 [ 8550.557676][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8550.557676][ T10] ip6_route_add+0x1c/0x140 [ 8550.557676][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8550.557676][ T10] inet6_addr_add+0x4f8/0xa40 [ 8550.557676][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8550.557676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8550.557676][ T10] netlink_rcv_skb+0x130/0x360 [ 8550.557676][ T10] netlink_unicast+0x449/0x710 [ 8550.557676][ T10] netlink_sendmsg+0x723/0xbe0 [ 8550.557676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8550.557676][ T10] ___sys_sendmsg+0xee/0x170 [ 8550.557676][ T10] __sys_sendmsg+0xcd/0x170 [ 8550.557676][ T10] do_syscall_64+0xc6/0x1e0 [ 8550.557676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8550.557676][ T10] [ 8550.560316][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8550.560316][ T10] netdev_get_by_index+0x5e/0x80 [ 8550.560316][ T10] fib6_nh_init+0x3d8/0x1580 [ 8550.560316][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8550.560316][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8550.560316][ T10] ipv6_add_addr+0x411/0x2000 [ 8550.560316][ T10] inet6_addr_add+0x30e/0xa40 [ 8550.560316][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8550.560316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8550.560316][ T10] netlink_rcv_skb+0x130/0x360 [ 8550.560316][ T10] netlink_unicast+0x449/0x710 [ 8550.560316][ T10] netlink_sendmsg+0x723/0xbe0 [ 8550.560316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8550.560316][ T10] ___sys_sendmsg+0xee/0x170 [ 8550.560316][ T10] __sys_sendmsg+0xcd/0x170 [ 8550.560316][ T10] do_syscall_64+0xc6/0x1e0 [ 8550.560316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8550.560316][ T10] [ 8550.562420][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8550.562420][ T10] netdev_get_by_index+0x5e/0x80 [ 8550.562420][ T10] fib6_nh_init+0x3d8/0x1580 [ 8550.562420][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8550.562420][ T10] ip6_route_add+0x1c/0x140 [ 8550.562420][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8550.562420][ T10] addrconf_add_dev+0xe2/0x170 [ 8550.562420][ T10] inet6_addr_add+0x12f/0xa40 [ 8550.562420][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8550.562420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8550.562420][ T10] netlink_rcv_skb+0x130/0x360 [ 8550.562420][ T10] netlink_unicast+0x449/0x710 [ 8550.562420][ T10] netlink_sendmsg+0x723/0xbe0 [ 8550.562420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8550.562420][ T10] ___sys_sendmsg+0xee/0x170 [ 8550.562420][ T10] __sys_sendmsg+0xcd/0x170 [ 8550.562420][ T10] do_syscall_64+0xc6/0x1e0 [ 8550.562420][ T10] [ 8550.564486][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8550.564486][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8550.564486][ T10] ipv6_find_idev+0x102/0x170 [ 8550.564486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8550.564486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8550.564486][ T10] netlink_rcv_skb+0x130/0x360 [ 8550.564486][ T10] netlink_unicast+0x449/0x710 [ 8550.564486][ T10] netlink_sendmsg+0x723/0xbe0 [ 8550.564486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8550.564486][ T10] ___sys_sendmsg+0xee/0x170 [ 8550.564486][ T10] __sys_sendmsg+0xcd/0x170 [ 8550.564486][ T10] do_syscall_64+0xc6/0x1e0 [ 8550.564486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8550.564486][ T10] [ 8550.566073][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8550.566073][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8550.566073][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8550.566073][ T10] ipv6_find_idev+0x102/0x170 [ 8550.566073][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8550.566073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8550.566073][ T10] netlink_rcv_skb+0x130/0x360 [ 8550.566073][ T10] netlink_unicast+0x449/0x710 [ 8550.566073][ T10] netlink_sendmsg+0x723/0xbe0 [ 8550.566073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8550.566073][ T10] ___sys_sendmsg+0xee/0x170 [ 8550.566073][ T10] __sys_sendmsg+0xcd/0x170 [ 8550.566073][ T10] do_syscall_64+0xc6/0x1e0 [ 8550.566073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8550.566073][ T10] [ 8550.841113][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8550.841472][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8550.841472][ T1167] dst_init+0x84/0x4a0 [ 8550.841472][ T1167] dst_alloc+0x97/0x150 [ 8550.841472][ T1167] ip6_dst_alloc+0x23/0x90 [ 8550.841472][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8550.841472][ T1167] ip6_pol_route+0x56f/0x840 [ 8550.841472][ T1167] fib6_rule_lookup+0x334/0x630 [ 8550.841472][ T1167] ip6_route_output_flags+0x259/0x480 [ 8550.841472][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8550.841472][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8550.841472][ T1167] netlink_rcv_skb+0x130/0x360 [ 8550.841472][ T1167] netlink_unicast+0x449/0x710 [ 8550.841472][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8550.841472][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8550.841472][ T1167] ___sys_sendmsg+0xee/0x170 [ 8550.841472][ T1167] __sys_sendmsg+0xcd/0x170 [ 8550.841472][ T1167] do_syscall_64+0xc6/0x1e0 [ 8550.841472][ T1167] [ 8550.843653][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8550.843653][ T1167] netdev_get_by_index+0x5e/0x80 [ 8550.843653][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8550.843653][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8550.843653][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8550.843653][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8550.843653][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8550.843653][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8550.843653][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8550.843653][ T1167] addrconf_dad_begin+0x310/0x670 [ 8550.843653][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8550.843653][ T1167] process_one_work+0x84d/0x18a0 [ 8550.843653][ T1167] worker_thread+0x587/0xd30 [ 8550.843653][ T1167] kthread+0x28a/0x350 [ 8550.843653][ T1167] ret_from_fork+0x31/0x70 [ 8550.843653][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8550.843653][ T1167] [ 8550.845789][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8550.845789][ T1167] netdev_get_by_index+0x5e/0x80 [ 8550.845789][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8550.845789][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8550.845789][ T1167] ip6_route_add+0x1c/0x140 [ 8550.845789][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8550.845789][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8550.845789][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8550.845789][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8550.845789][ T1167] netlink_rcv_skb+0x130/0x360 [ 8550.845789][ T1167] netlink_unicast+0x449/0x710 [ 8550.845789][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8550.845789][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8550.845789][ T1167] ___sys_sendmsg+0xee/0x170 [ 8550.845789][ T1167] __sys_sendmsg+0xcd/0x170 [ 8550.845789][ T1167] do_syscall_64+0xc6/0x1e0 [ 8550.845789][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8550.845789][ T1167] [ 8550.848030][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8550.848030][ T1167] netdev_get_by_index+0x5e/0x80 [ 8550.848030][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8550.848030][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8550.848030][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8550.848030][ T1167] ipv6_add_addr+0x411/0x2000 [ 8550.848030][ T1167] inet6_addr_add+0x30e/0xa40 [ 8550.848030][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8550.848030][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8550.848030][ T1167] netlink_rcv_skb+0x130/0x360 [ 8550.848030][ T1167] netlink_unicast+0x449/0x710 [ 8550.848030][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8550.848030][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8550.848030][ T1167] ___sys_sendmsg+0xee/0x170 [ 8550.848030][ T1167] __sys_sendmsg+0xcd/0x170 [ 8550.848030][ T1167] do_syscall_64+0xc6/0x1e0 [ 8550.848030][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8550.848030][ T1167] [ 8550.850274][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8550.850274][ T1167] netdev_get_by_index+0x5e/0x80 [ 8550.850274][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8550.850274][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8550.850274][ T1167] ip6_route_add+0x1c/0x140 [ 8550.850274][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8550.850274][ T1167] addrconf_add_dev+0xe2/0x170 [ 8550.850274][ T1167] inet6_addr_add+0x12f/0xa40 [ 8550.850274][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8550.850274][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8550.850274][ T1167] netlink_rcv_skb+0x130/0x360 [ 8550.850274][ T1167] netlink_unicast+0x449/0x710 [ 8550.850274][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8550.850274][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8550.850274][ T1167] ___sys_sendmsg+0xee/0x170 [ 8550.850274][ T1167] __sys_sendmsg+0xcd/0x170 [ 8550.850274][ T1167] do_syscall_64+0xc6/0x1e0 [ 8550.850274][ T1167] [ 8550.852472][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8550.852472][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8550.852472][ T1167] ipv6_find_idev+0x102/0x170 [ 8550.852472][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8550.852472][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8550.852472][ T1167] netlink_rcv_skb+0x130/0x360 [ 8550.852472][ T1167] netlink_unicast+0x449/0x710 [ 8550.852472][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8550.852472][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8550.852472][ T1167] ___sys_sendmsg+0xee/0x170 [ 8550.852472][ T1167] __sys_sendmsg+0xcd/0x170 [ 8550.852472][ T1167] do_syscall_64+0xc6/0x1e0 [ 8550.852472][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8550.852472][ T1167] [ 8550.854188][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8550.854188][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8550.854188][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8550.854188][ T1167] ipv6_find_idev+0x102/0x170 [ 8550.854188][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8550.854188][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8550.854188][ T1167] netlink_rcv_skb+0x130/0x360 [ 8550.854188][ T1167] netlink_unicast+0x449/0x710 [ 8550.854188][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8550.854188][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8550.854188][ T1167] ___sys_sendmsg+0xee/0x170 [ 8550.854188][ T1167] __sys_sendmsg+0xcd/0x170 [ 8550.854188][ T1167] do_syscall_64+0xc6/0x1e0 [ 8550.854188][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8550.854188][ T1167] [ 8560.809027][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8560.809468][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8560.809468][ T10] netdev_get_by_index+0x5e/0x80 [ 8560.809468][ T10] fib6_nh_init+0x3d8/0x1580 [ 8560.809468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8560.809468][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8560.809468][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8560.809468][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8560.809468][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8560.809468][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8560.809468][ T10] addrconf_dad_begin+0x310/0x670 [ 8560.809468][ T10] addrconf_dad_work+0x10b/0xab0 [ 8560.809468][ T10] process_one_work+0x84d/0x18a0 [ 8560.809468][ T10] worker_thread+0x587/0xd30 [ 8560.809468][ T10] kthread+0x28a/0x350 [ 8560.809468][ T10] ret_from_fork+0x31/0x70 [ 8560.809468][ T10] ret_from_fork_asm+0x1a/0x30 [ 8560.809468][ T10] [ 8560.811391][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8560.811391][ T10] netdev_get_by_index+0x5e/0x80 [ 8560.811391][ T10] fib6_nh_init+0x3d8/0x1580 [ 8560.811391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8560.811391][ T10] ip6_route_add+0x1c/0x140 [ 8560.811391][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8560.811391][ T10] inet6_addr_add+0x4f8/0xa40 [ 8560.811391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8560.811391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8560.811391][ T10] netlink_rcv_skb+0x130/0x360 [ 8560.811391][ T10] netlink_unicast+0x449/0x710 [ 8560.811391][ T10] netlink_sendmsg+0x723/0xbe0 [ 8560.811391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8560.811391][ T10] ___sys_sendmsg+0xee/0x170 [ 8560.811391][ T10] __sys_sendmsg+0xcd/0x170 [ 8560.811391][ T10] do_syscall_64+0xc6/0x1e0 [ 8560.811391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8560.811391][ T10] [ 8560.813370][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8560.813370][ T10] netdev_get_by_index+0x5e/0x80 [ 8560.813370][ T10] fib6_nh_init+0x3d8/0x1580 [ 8560.813370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8560.813370][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8560.813370][ T10] ipv6_add_addr+0x411/0x2000 [ 8560.813370][ T10] inet6_addr_add+0x30e/0xa40 [ 8560.813370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8560.813370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8560.813370][ T10] netlink_rcv_skb+0x130/0x360 [ 8560.813370][ T10] netlink_unicast+0x449/0x710 [ 8560.813370][ T10] netlink_sendmsg+0x723/0xbe0 [ 8560.813370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8560.813370][ T10] ___sys_sendmsg+0xee/0x170 [ 8560.813370][ T10] __sys_sendmsg+0xcd/0x170 [ 8560.813370][ T10] do_syscall_64+0xc6/0x1e0 [ 8560.813370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8560.813370][ T10] [ 8560.815349][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8560.815349][ T10] netdev_get_by_index+0x5e/0x80 [ 8560.815349][ T10] fib6_nh_init+0x3d8/0x1580 [ 8560.815349][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8560.815349][ T10] ip6_route_add+0x1c/0x140 [ 8560.815349][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8560.815349][ T10] addrconf_add_dev+0xe2/0x170 [ 8560.815349][ T10] inet6_addr_add+0x12f/0xa40 [ 8560.815349][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8560.815349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8560.815349][ T10] netlink_rcv_skb+0x130/0x360 [ 8560.815349][ T10] netlink_unicast+0x449/0x710 [ 8560.815349][ T10] netlink_sendmsg+0x723/0xbe0 [ 8560.815349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8560.815349][ T10] ___sys_sendmsg+0xee/0x170 [ 8560.815349][ T10] __sys_sendmsg+0xcd/0x170 [ 8560.815349][ T10] do_syscall_64+0xc6/0x1e0 [ 8560.815349][ T10] [ 8560.817292][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8560.817292][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8560.817292][ T10] ipv6_find_idev+0x102/0x170 [ 8560.817292][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8560.817292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8560.817292][ T10] netlink_rcv_skb+0x130/0x360 [ 8560.817292][ T10] netlink_unicast+0x449/0x710 [ 8560.817292][ T10] netlink_sendmsg+0x723/0xbe0 [ 8560.817292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8560.817292][ T10] ___sys_sendmsg+0xee/0x170 [ 8560.817292][ T10] __sys_sendmsg+0xcd/0x170 [ 8560.817292][ T10] do_syscall_64+0xc6/0x1e0 [ 8560.817292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8560.817292][ T10] [ 8560.818833][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8560.818833][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8560.818833][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8560.818833][ T10] ipv6_find_idev+0x102/0x170 [ 8560.818833][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8560.818833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8560.818833][ T10] netlink_rcv_skb+0x130/0x360 [ 8560.818833][ T10] netlink_unicast+0x449/0x710 [ 8560.818833][ T10] netlink_sendmsg+0x723/0xbe0 [ 8560.818833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8560.818833][ T10] ___sys_sendmsg+0xee/0x170 [ 8560.818833][ T10] __sys_sendmsg+0xcd/0x170 [ 8560.818833][ T10] do_syscall_64+0xc6/0x1e0 [ 8560.818833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8560.818833][ T10] [ 8560.820504][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8560.820756][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8560.820756][ T10] netdev_get_by_index+0x5e/0x80 [ 8560.820756][ T10] fib6_nh_init+0x3d8/0x1580 [ 8560.820756][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8560.820756][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8560.820756][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8560.820756][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8560.820756][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8560.820756][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8560.820756][ T10] addrconf_dad_begin+0x310/0x670 [ 8560.820756][ T10] addrconf_dad_work+0x10b/0xab0 [ 8560.820756][ T10] process_one_work+0x84d/0x18a0 [ 8560.820756][ T10] worker_thread+0x587/0xd30 [ 8560.820756][ T10] kthread+0x28a/0x350 [ 8560.820756][ T10] ret_from_fork+0x31/0x70 [ 8560.820756][ T10] ret_from_fork_asm+0x1a/0x30 [ 8560.820756][ T10] [ 8560.822666][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8560.822666][ T10] netdev_get_by_index+0x5e/0x80 [ 8560.822666][ T10] fib6_nh_init+0x3d8/0x1580 [ 8560.822666][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8560.822666][ T10] ip6_route_add+0x1c/0x140 [ 8560.822666][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8560.822666][ T10] inet6_addr_add+0x4f8/0xa40 [ 8560.822666][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8560.822666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8560.822666][ T10] netlink_rcv_skb+0x130/0x360 [ 8560.822666][ T10] netlink_unicast+0x449/0x710 [ 8560.822666][ T10] netlink_sendmsg+0x723/0xbe0 [ 8560.822666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8560.822666][ T10] ___sys_sendmsg+0xee/0x170 [ 8560.822666][ T10] __sys_sendmsg+0xcd/0x170 [ 8560.822666][ T10] do_syscall_64+0xc6/0x1e0 [ 8560.822666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8560.822666][ T10] [ 8560.824642][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8560.824642][ T10] netdev_get_by_index+0x5e/0x80 [ 8560.824642][ T10] fib6_nh_init+0x3d8/0x1580 [ 8560.824642][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8560.824642][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8560.824642][ T10] ipv6_add_addr+0x411/0x2000 [ 8560.824642][ T10] inet6_addr_add+0x30e/0xa40 [ 8560.824642][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8560.824642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8560.824642][ T10] netlink_rcv_skb+0x130/0x360 [ 8560.824642][ T10] netlink_unicast+0x449/0x710 [ 8560.824642][ T10] netlink_sendmsg+0x723/0xbe0 [ 8560.824642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8560.824642][ T10] ___sys_sendmsg+0xee/0x170 [ 8560.824642][ T10] __sys_sendmsg+0xcd/0x170 [ 8560.824642][ T10] do_syscall_64+0xc6/0x1e0 [ 8560.824642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8560.824642][ T10] [ 8560.826633][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8560.826633][ T10] netdev_get_by_index+0x5e/0x80 [ 8560.826633][ T10] fib6_nh_init+0x3d8/0x1580 [ 8560.826633][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8560.826633][ T10] ip6_route_add+0x1c/0x140 [ 8560.826633][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8560.826633][ T10] addrconf_add_dev+0xe2/0x170 [ 8560.826633][ T10] inet6_addr_add+0x12f/0xa40 [ 8560.826633][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8560.826633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8560.826633][ T10] netlink_rcv_skb+0x130/0x360 [ 8560.826633][ T10] netlink_unicast+0x449/0x710 [ 8560.826633][ T10] netlink_sendmsg+0x723/0xbe0 [ 8560.826633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8560.826633][ T10] ___sys_sendmsg+0xee/0x170 [ 8560.826633][ T10] __sys_sendmsg+0xcd/0x170 [ 8560.826633][ T10] do_syscall_64+0xc6/0x1e0 [ 8560.826633][ T10] [ 8560.828589][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8560.828589][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8560.828589][ T10] ipv6_find_idev+0x102/0x170 [ 8560.828589][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8560.828589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8560.828589][ T10] netlink_rcv_skb+0x130/0x360 [ 8560.828589][ T10] netlink_unicast+0x449/0x710 [ 8560.828589][ T10] netlink_sendmsg+0x723/0xbe0 [ 8560.828589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8560.828589][ T10] ___sys_sendmsg+0xee/0x170 [ 8560.828589][ T10] __sys_sendmsg+0xcd/0x170 [ 8560.828589][ T10] do_syscall_64+0xc6/0x1e0 [ 8560.828589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8560.828589][ T10] [ 8560.830105][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8560.830105][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8560.830105][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8560.830105][ T10] ipv6_find_idev+0x102/0x170 [ 8560.830105][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8560.830105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8560.830105][ T10] netlink_rcv_skb+0x130/0x360 [ 8560.830105][ T10] netlink_unicast+0x449/0x710 [ 8560.830105][ T10] netlink_sendmsg+0x723/0xbe0 [ 8560.830105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8560.830105][ T10] ___sys_sendmsg+0xee/0x170 [ 8560.830105][ T10] __sys_sendmsg+0xcd/0x170 [ 8560.830105][ T10] do_syscall_64+0xc6/0x1e0 [ 8560.830105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8560.830105][ T10] [ 8560.831773][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8560.832011][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8560.832011][ T10] netdev_get_by_index+0x5e/0x80 [ 8560.832011][ T10] fib6_nh_init+0x3d8/0x1580 [ 8560.832011][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8560.832011][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8560.832011][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8560.832011][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8560.832011][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8560.832011][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8560.832011][ T10] addrconf_dad_begin+0x310/0x670 [ 8560.832011][ T10] addrconf_dad_work+0x10b/0xab0 [ 8560.832011][ T10] process_one_work+0x84d/0x18a0 [ 8560.832011][ T10] worker_thread+0x587/0xd30 [ 8560.832011][ T10] kthread+0x28a/0x350 [ 8560.832011][ T10] ret_from_fork+0x31/0x70 [ 8560.832011][ T10] ret_from_fork_asm+0x1a/0x30 [ 8560.832011][ T10] [ 8560.833894][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8560.833894][ T10] netdev_get_by_index+0x5e/0x80 [ 8560.833894][ T10] fib6_nh_init+0x3d8/0x1580 [ 8560.833894][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8560.833894][ T10] ip6_route_add+0x1c/0x140 [ 8560.833894][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8560.833894][ T10] inet6_addr_add+0x4f8/0xa40 [ 8560.833894][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8560.833894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8560.833894][ T10] netlink_rcv_skb+0x130/0x360 [ 8560.833894][ T10] netlink_unicast+0x449/0x710 [ 8560.833894][ T10] netlink_sendmsg+0x723/0xbe0 [ 8560.833894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8560.833894][ T10] ___sys_sendmsg+0xee/0x170 [ 8560.833894][ T10] __sys_sendmsg+0xcd/0x170 [ 8560.833894][ T10] do_syscall_64+0xc6/0x1e0 [ 8560.833894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8560.833894][ T10] [ 8560.835992][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8560.835992][ T10] netdev_get_by_index+0x5e/0x80 [ 8560.835992][ T10] fib6_nh_init+0x3d8/0x1580 [ 8560.835992][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8560.835992][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8560.835992][ T10] ipv6_add_addr+0x411/0x2000 [ 8560.835992][ T10] inet6_addr_add+0x30e/0xa40 [ 8560.835992][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8560.835992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8560.835992][ T10] netlink_rcv_skb+0x130/0x360 [ 8560.835992][ T10] netlink_unicast+0x449/0x710 [ 8560.835992][ T10] netlink_sendmsg+0x723/0xbe0 [ 8560.835992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8560.835992][ T10] ___sys_sendmsg+0xee/0x170 [ 8560.835992][ T10] __sys_sendmsg+0xcd/0x170 [ 8560.835992][ T10] do_syscall_64+0xc6/0x1e0 [ 8560.835992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8560.835992][ T10] [ 8560.838095][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8560.838095][ T10] netdev_get_by_index+0x5e/0x80 [ 8560.838095][ T10] fib6_nh_init+0x3d8/0x1580 [ 8560.838095][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8560.838095][ T10] ip6_route_add+0x1c/0x140 [ 8560.838095][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8560.838095][ T10] addrconf_add_dev+0xe2/0x170 [ 8560.838095][ T10] inet6_addr_add+0x12f/0xa40 [ 8560.838095][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8560.838095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8560.838095][ T10] netlink_rcv_skb+0x130/0x360 [ 8560.838095][ T10] netlink_unicast+0x449/0x710 [ 8560.838095][ T10] netlink_sendmsg+0x723/0xbe0 [ 8560.838095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8560.838095][ T10] ___sys_sendmsg+0xee/0x170 [ 8560.838095][ T10] __sys_sendmsg+0xcd/0x170 [ 8560.838095][ T10] do_syscall_64+0xc6/0x1e0 [ 8560.838095][ T10] [ 8560.840159][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8560.840159][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8560.840159][ T10] ipv6_find_idev+0x102/0x170 [ 8560.840159][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8560.840159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8560.840159][ T10] netlink_rcv_skb+0x130/0x360 [ 8560.840159][ T10] netlink_unicast+0x449/0x710 [ 8560.840159][ T10] netlink_sendmsg+0x723/0xbe0 [ 8560.840159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8560.840159][ T10] ___sys_sendmsg+0xee/0x170 [ 8560.840159][ T10] __sys_sendmsg+0xcd/0x170 [ 8560.840159][ T10] do_syscall_64+0xc6/0x1e0 [ 8560.840159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8560.840159][ T10] [ 8560.841746][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8560.841746][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8560.841746][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8560.841746][ T10] ipv6_find_idev+0x102/0x170 [ 8560.841746][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8560.841746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8560.841746][ T10] netlink_rcv_skb+0x130/0x360 [ 8560.841746][ T10] netlink_unicast+0x449/0x710 [ 8560.841746][ T10] netlink_sendmsg+0x723/0xbe0 [ 8560.841746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8560.841746][ T10] ___sys_sendmsg+0xee/0x170 [ 8560.841746][ T10] __sys_sendmsg+0xcd/0x170 [ 8560.841746][ T10] do_syscall_64+0xc6/0x1e0 [ 8560.841746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8560.841746][ T10] [ 8560.843536][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8560.843782][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8560.843782][ T10] netdev_get_by_index+0x5e/0x80 [ 8560.843782][ T10] fib6_nh_init+0x3d8/0x1580 [ 8560.843782][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8560.843782][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8560.843782][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8560.843782][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8560.843782][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8560.843782][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8560.843782][ T10] addrconf_dad_begin+0x310/0x670 [ 8560.843782][ T10] addrconf_dad_work+0x10b/0xab0 [ 8560.843782][ T10] process_one_work+0x84d/0x18a0 [ 8560.843782][ T10] worker_thread+0x587/0xd30 [ 8560.843782][ T10] kthread+0x28a/0x350 [ 8560.843782][ T10] ret_from_fork+0x31/0x70 [ 8560.843782][ T10] ret_from_fork_asm+0x1a/0x30 [ 8560.843782][ T10] [ 8560.845794][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8560.845794][ T10] netdev_get_by_index+0x5e/0x80 [ 8560.845794][ T10] fib6_nh_init+0x3d8/0x1580 [ 8560.845794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8560.845794][ T10] ip6_route_add+0x1c/0x140 [ 8560.845794][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8560.845794][ T10] inet6_addr_add+0x4f8/0xa40 [ 8560.845794][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8560.845794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8560.845794][ T10] netlink_rcv_skb+0x130/0x360 [ 8560.845794][ T10] netlink_unicast+0x449/0x710 [ 8560.845794][ T10] netlink_sendmsg+0x723/0xbe0 [ 8560.845794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8560.845794][ T10] ___sys_sendmsg+0xee/0x170 [ 8560.845794][ T10] __sys_sendmsg+0xcd/0x170 [ 8560.845794][ T10] do_syscall_64+0xc6/0x1e0 [ 8560.845794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8560.845794][ T10] [ 8560.847919][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8560.847919][ T10] netdev_get_by_index+0x5e/0x80 [ 8560.847919][ T10] fib6_nh_init+0x3d8/0x1580 [ 8560.847919][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8560.847919][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8560.847919][ T10] ipv6_add_addr+0x411/0x2000 [ 8560.847919][ T10] inet6_addr_add+0x30e/0xa40 [ 8560.847919][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8560.847919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8560.847919][ T10] netlink_rcv_skb+0x130/0x360 [ 8560.847919][ T10] netlink_unicast+0x449/0x710 [ 8560.847919][ T10] netlink_sendmsg+0x723/0xbe0 [ 8560.847919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8560.847919][ T10] ___sys_sendmsg+0xee/0x170 [ 8560.847919][ T10] __sys_sendmsg+0xcd/0x170 [ 8560.847919][ T10] do_syscall_64+0xc6/0x1e0 [ 8560.847919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8560.847919][ T10] [ 8560.850032][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8560.850032][ T10] netdev_get_by_index+0x5e/0x80 [ 8560.850032][ T10] fib6_nh_init+0x3d8/0x1580 [ 8560.850032][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8560.850032][ T10] ip6_route_add+0x1c/0x140 [ 8560.850032][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8560.850032][ T10] addrconf_add_dev+0xe2/0x170 [ 8560.850032][ T10] inet6_addr_add+0x12f/0xa40 [ 8560.850032][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8560.850032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8560.850032][ T10] netlink_rcv_skb+0x130/0x360 [ 8560.850032][ T10] netlink_unicast+0x449/0x710 [ 8560.850032][ T10] netlink_sendmsg+0x723/0xbe0 [ 8560.850032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8560.850032][ T10] ___sys_sendmsg+0xee/0x170 [ 8560.850032][ T10] __sys_sendmsg+0xcd/0x170 [ 8560.850032][ T10] do_syscall_64+0xc6/0x1e0 [ 8560.850032][ T10] [ 8560.852211][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8560.852211][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8560.852211][ T10] ipv6_find_idev+0x102/0x170 [ 8560.852211][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8560.852211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8560.852211][ T10] netlink_rcv_skb+0x130/0x360 [ 8560.852211][ T10] netlink_unicast+0x449/0x710 [ 8560.852211][ T10] netlink_sendmsg+0x723/0xbe0 [ 8560.852211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8560.852211][ T10] ___sys_sendmsg+0xee/0x170 [ 8560.852211][ T10] __sys_sendmsg+0xcd/0x170 [ 8560.852211][ T10] do_syscall_64+0xc6/0x1e0 [ 8560.852211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8560.852211][ T10] [ 8560.853910][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8560.853910][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8560.853910][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8560.853910][ T10] ipv6_find_idev+0x102/0x170 [ 8560.853910][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8560.853910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8560.853910][ T10] netlink_rcv_skb+0x130/0x360 [ 8560.853910][ T10] netlink_unicast+0x449/0x710 [ 8560.853910][ T10] netlink_sendmsg+0x723/0xbe0 [ 8560.853910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8560.853910][ T10] ___sys_sendmsg+0xee/0x170 [ 8560.853910][ T10] __sys_sendmsg+0xcd/0x170 [ 8560.853910][ T10] do_syscall_64+0xc6/0x1e0 [ 8560.853910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8560.853910][ T10] [ 8561.049185][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8561.049540][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8561.049540][ T1167] dst_init+0x84/0x4a0 [ 8561.049540][ T1167] dst_alloc+0x97/0x150 [ 8561.049540][ T1167] ip6_dst_alloc+0x23/0x90 [ 8561.049540][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8561.049540][ T1167] ip6_pol_route+0x56f/0x840 [ 8561.049540][ T1167] fib6_rule_lookup+0x334/0x630 [ 8561.049540][ T1167] ip6_route_output_flags+0x259/0x480 [ 8561.049540][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8561.049540][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8561.049540][ T1167] netlink_rcv_skb+0x130/0x360 [ 8561.049540][ T1167] netlink_unicast+0x449/0x710 [ 8561.049540][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8561.049540][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8561.049540][ T1167] ___sys_sendmsg+0xee/0x170 [ 8561.049540][ T1167] __sys_sendmsg+0xcd/0x170 [ 8561.049540][ T1167] do_syscall_64+0xc6/0x1e0 [ 8561.049540][ T1167] [ 8561.051710][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8561.051710][ T1167] netdev_get_by_index+0x5e/0x80 [ 8561.051710][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8561.051710][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8561.051710][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8561.051710][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8561.051710][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8561.051710][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8561.051710][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8561.051710][ T1167] addrconf_dad_begin+0x310/0x670 [ 8561.051710][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8561.051710][ T1167] process_one_work+0x84d/0x18a0 [ 8561.051710][ T1167] worker_thread+0x587/0xd30 [ 8561.051710][ T1167] kthread+0x28a/0x350 [ 8561.051710][ T1167] ret_from_fork+0x31/0x70 [ 8561.051710][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8561.051710][ T1167] [ 8561.053829][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8561.053829][ T1167] netdev_get_by_index+0x5e/0x80 [ 8561.053829][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8561.053829][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8561.053829][ T1167] ip6_route_add+0x1c/0x140 [ 8561.053829][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8561.053829][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8561.053829][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8561.053829][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8561.053829][ T1167] netlink_rcv_skb+0x130/0x360 [ 8561.053829][ T1167] netlink_unicast+0x449/0x710 [ 8561.053829][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8561.053829][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8561.053829][ T1167] ___sys_sendmsg+0xee/0x170 [ 8561.053829][ T1167] __sys_sendmsg+0xcd/0x170 [ 8561.053829][ T1167] do_syscall_64+0xc6/0x1e0 [ 8561.053829][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8561.053829][ T1167] [ 8561.056045][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8561.056045][ T1167] netdev_get_by_index+0x5e/0x80 [ 8561.056045][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8561.056045][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8561.056045][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8561.056045][ T1167] ipv6_add_addr+0x411/0x2000 [ 8561.056045][ T1167] inet6_addr_add+0x30e/0xa40 [ 8561.056045][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8561.056045][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8561.056045][ T1167] netlink_rcv_skb+0x130/0x360 [ 8561.056045][ T1167] netlink_unicast+0x449/0x710 [ 8561.056045][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8561.056045][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8561.056045][ T1167] ___sys_sendmsg+0xee/0x170 [ 8561.056045][ T1167] __sys_sendmsg+0xcd/0x170 [ 8561.056045][ T1167] do_syscall_64+0xc6/0x1e0 [ 8561.056045][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8561.056045][ T1167] [ 8561.058280][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8561.058280][ T1167] netdev_get_by_index+0x5e/0x80 [ 8561.058280][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8561.058280][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8561.058280][ T1167] ip6_route_add+0x1c/0x140 [ 8561.058280][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8561.058280][ T1167] addrconf_add_dev+0xe2/0x170 [ 8561.058280][ T1167] inet6_addr_add+0x12f/0xa40 [ 8561.058280][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8561.058280][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8561.058280][ T1167] netlink_rcv_skb+0x130/0x360 [ 8561.058280][ T1167] netlink_unicast+0x449/0x710 [ 8561.058280][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8561.058280][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8561.058280][ T1167] ___sys_sendmsg+0xee/0x170 [ 8561.058280][ T1167] __sys_sendmsg+0xcd/0x170 [ 8561.058280][ T1167] do_syscall_64+0xc6/0x1e0 [ 8561.058280][ T1167] [ 8561.060460][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8561.060460][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8561.060460][ T1167] ipv6_find_idev+0x102/0x170 [ 8561.060460][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8561.060460][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8561.060460][ T1167] netlink_rcv_skb+0x130/0x360 [ 8561.060460][ T1167] netlink_unicast+0x449/0x710 [ 8561.060460][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8561.060460][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8561.060460][ T1167] ___sys_sendmsg+0xee/0x170 [ 8561.060460][ T1167] __sys_sendmsg+0xcd/0x170 [ 8561.060460][ T1167] do_syscall_64+0xc6/0x1e0 [ 8561.060460][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8561.060460][ T1167] [ 8561.062173][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8561.062173][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8561.062173][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8561.062173][ T1167] ipv6_find_idev+0x102/0x170 [ 8561.062173][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8561.062173][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8561.062173][ T1167] netlink_rcv_skb+0x130/0x360 [ 8561.062173][ T1167] netlink_unicast+0x449/0x710 [ 8561.062173][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8561.062173][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8561.062173][ T1167] ___sys_sendmsg+0xee/0x170 [ 8561.062173][ T1167] __sys_sendmsg+0xcd/0x170 [ 8561.062173][ T1167] do_syscall_64+0xc6/0x1e0 [ 8561.062173][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8561.062173][ T1167] [ 8571.345190][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8571.345619][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8571.345619][ T10] netdev_get_by_index+0x5e/0x80 [ 8571.345619][ T10] fib6_nh_init+0x3d8/0x1580 [ 8571.345619][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8571.345619][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8571.345619][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8571.345619][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8571.345619][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8571.345619][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8571.345619][ T10] addrconf_dad_begin+0x310/0x670 [ 8571.345619][ T10] addrconf_dad_work+0x10b/0xab0 [ 8571.345619][ T10] process_one_work+0x84d/0x18a0 [ 8571.345619][ T10] worker_thread+0x587/0xd30 [ 8571.345619][ T10] kthread+0x28a/0x350 [ 8571.345619][ T10] ret_from_fork+0x31/0x70 [ 8571.345619][ T10] ret_from_fork_asm+0x1a/0x30 [ 8571.345619][ T10] [ 8571.347561][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8571.347561][ T10] netdev_get_by_index+0x5e/0x80 [ 8571.347561][ T10] fib6_nh_init+0x3d8/0x1580 [ 8571.347561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8571.347561][ T10] ip6_route_add+0x1c/0x140 [ 8571.347561][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8571.347561][ T10] inet6_addr_add+0x4f8/0xa40 [ 8571.347561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8571.347561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8571.347561][ T10] netlink_rcv_skb+0x130/0x360 [ 8571.347561][ T10] netlink_unicast+0x449/0x710 [ 8571.347561][ T10] netlink_sendmsg+0x723/0xbe0 [ 8571.347561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8571.347561][ T10] ___sys_sendmsg+0xee/0x170 [ 8571.347561][ T10] __sys_sendmsg+0xcd/0x170 [ 8571.347561][ T10] do_syscall_64+0xc6/0x1e0 [ 8571.347561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8571.347561][ T10] [ 8571.349576][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8571.349576][ T10] netdev_get_by_index+0x5e/0x80 [ 8571.349576][ T10] fib6_nh_init+0x3d8/0x1580 [ 8571.349576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8571.349576][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8571.349576][ T10] ipv6_add_addr+0x411/0x2000 [ 8571.349576][ T10] inet6_addr_add+0x30e/0xa40 [ 8571.349576][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8571.349576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8571.349576][ T10] netlink_rcv_skb+0x130/0x360 [ 8571.349576][ T10] netlink_unicast+0x449/0x710 [ 8571.349576][ T10] netlink_sendmsg+0x723/0xbe0 [ 8571.349576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8571.349576][ T10] ___sys_sendmsg+0xee/0x170 [ 8571.349576][ T10] __sys_sendmsg+0xcd/0x170 [ 8571.349576][ T10] do_syscall_64+0xc6/0x1e0 [ 8571.349576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8571.349576][ T10] [ 8571.351583][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8571.351583][ T10] netdev_get_by_index+0x5e/0x80 [ 8571.351583][ T10] fib6_nh_init+0x3d8/0x1580 [ 8571.351583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8571.351583][ T10] ip6_route_add+0x1c/0x140 [ 8571.351583][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8571.351583][ T10] addrconf_add_dev+0xe2/0x170 [ 8571.351583][ T10] inet6_addr_add+0x12f/0xa40 [ 8571.351583][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8571.351583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8571.351583][ T10] netlink_rcv_skb+0x130/0x360 [ 8571.351583][ T10] netlink_unicast+0x449/0x710 [ 8571.351583][ T10] netlink_sendmsg+0x723/0xbe0 [ 8571.351583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8571.351583][ T10] ___sys_sendmsg+0xee/0x170 [ 8571.351583][ T10] __sys_sendmsg+0xcd/0x170 [ 8571.351583][ T10] do_syscall_64+0xc6/0x1e0 [ 8571.351583][ T10] [ 8571.353553][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8571.353553][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8571.353553][ T10] ipv6_find_idev+0x102/0x170 [ 8571.353553][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8571.353553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8571.353553][ T10] netlink_rcv_skb+0x130/0x360 [ 8571.353553][ T10] netlink_unicast+0x449/0x710 [ 8571.353553][ T10] netlink_sendmsg+0x723/0xbe0 [ 8571.353553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8571.353553][ T10] ___sys_sendmsg+0xee/0x170 [ 8571.353553][ T10] __sys_sendmsg+0xcd/0x170 [ 8571.353553][ T10] do_syscall_64+0xc6/0x1e0 [ 8571.353553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8571.353553][ T10] [ 8571.355098][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8571.355098][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8571.355098][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8571.355098][ T10] ipv6_find_idev+0x102/0x170 [ 8571.355098][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8571.355098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8571.355098][ T10] netlink_rcv_skb+0x130/0x360 [ 8571.355098][ T10] netlink_unicast+0x449/0x710 [ 8571.355098][ T10] netlink_sendmsg+0x723/0xbe0 [ 8571.355098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8571.355098][ T10] ___sys_sendmsg+0xee/0x170 [ 8571.355098][ T10] __sys_sendmsg+0xcd/0x170 [ 8571.355098][ T10] do_syscall_64+0xc6/0x1e0 [ 8571.355098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8571.355098][ T10] [ 8571.356794][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8571.356886][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8571.357042][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8571.357042][ T10] netdev_get_by_index+0x5e/0x80 [ 8571.357042][ T10] fib6_nh_init+0x3d8/0x1580 [ 8571.357042][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8571.357042][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8571.357042][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8571.357042][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8571.357042][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8571.357042][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8571.357042][ T10] addrconf_dad_begin+0x310/0x670 [ 8571.357042][ T10] addrconf_dad_work+0x10b/0xab0 [ 8571.357042][ T10] process_one_work+0x84d/0x18a0 [ 8571.357042][ T10] worker_thread+0x587/0xd30 [ 8571.357042][ T10] kthread+0x28a/0x350 [ 8571.357042][ T10] ret_from_fork+0x31/0x70 [ 8571.357042][ T10] ret_from_fork_asm+0x1a/0x30 [ 8571.357042][ T10] [ 8571.357367][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8571.357367][ T1167] dst_init+0x84/0x4a0 [ 8571.357367][ T1167] dst_alloc+0x97/0x150 [ 8571.357367][ T1167] ip6_dst_alloc+0x23/0x90 [ 8571.357367][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8571.357367][ T1167] ip6_pol_route+0x56f/0x840 [ 8571.357367][ T1167] fib6_rule_lookup+0x334/0x630 [ 8571.357367][ T1167] ip6_route_output_flags+0x259/0x480 [ 8571.357367][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8571.357367][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8571.357367][ T1167] netlink_rcv_skb+0x130/0x360 [ 8571.357367][ T1167] netlink_unicast+0x449/0x710 [ 8571.357367][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8571.357367][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8571.357367][ T1167] ___sys_sendmsg+0xee/0x170 [ 8571.357367][ T1167] __sys_sendmsg+0xcd/0x170 [ 8571.357367][ T1167] do_syscall_64+0xc6/0x1e0 [ 8571.357367][ T1167] [ 8571.359184][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8571.359184][ T10] netdev_get_by_index+0x5e/0x80 [ 8571.359184][ T10] fib6_nh_init+0x3d8/0x1580 [ 8571.359184][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8571.359184][ T10] ip6_route_add+0x1c/0x140 [ 8571.359184][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8571.359184][ T10] inet6_addr_add+0x4f8/0xa40 [ 8571.359184][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8571.359184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8571.359184][ T10] netlink_rcv_skb+0x130/0x360 [ 8571.359184][ T10] netlink_unicast+0x449/0x710 [ 8571.359184][ T10] netlink_sendmsg+0x723/0xbe0 [ 8571.359184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8571.359184][ T10] ___sys_sendmsg+0xee/0x170 [ 8571.359184][ T10] __sys_sendmsg+0xcd/0x170 [ 8571.359184][ T10] do_syscall_64+0xc6/0x1e0 [ 8571.359184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8571.359184][ T10] [ 8571.361327][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8571.361327][ T1167] netdev_get_by_index+0x5e/0x80 [ 8571.361327][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8571.361327][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8571.361327][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8571.361327][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8571.361327][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8571.361327][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8571.361327][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8571.361327][ T1167] addrconf_dad_begin+0x310/0x670 [ 8571.361327][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8571.361327][ T1167] process_one_work+0x84d/0x18a0 [ 8571.361327][ T1167] worker_thread+0x587/0xd30 [ 8571.361327][ T1167] kthread+0x28a/0x350 [ 8571.361327][ T1167] ret_from_fork+0x31/0x70 [ 8571.361327][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8571.361327][ T1167] [ 8571.363302][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8571.363302][ T10] netdev_get_by_index+0x5e/0x80 [ 8571.363302][ T10] fib6_nh_init+0x3d8/0x1580 [ 8571.363302][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8571.363302][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8571.363302][ T10] ipv6_add_addr+0x411/0x2000 [ 8571.363302][ T10] inet6_addr_add+0x30e/0xa40 [ 8571.363302][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8571.363302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8571.363302][ T10] netlink_rcv_skb+0x130/0x360 [ 8571.363302][ T10] netlink_unicast+0x449/0x710 [ 8571.363302][ T10] netlink_sendmsg+0x723/0xbe0 [ 8571.363302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8571.363302][ T10] ___sys_sendmsg+0xee/0x170 [ 8571.363302][ T10] __sys_sendmsg+0xcd/0x170 [ 8571.363302][ T10] do_syscall_64+0xc6/0x1e0 [ 8571.363302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8571.363302][ T10] [ 8571.365457][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8571.365457][ T1167] netdev_get_by_index+0x5e/0x80 [ 8571.365457][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8571.365457][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8571.365457][ T1167] ip6_route_add+0x1c/0x140 [ 8571.365457][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8571.365457][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8571.365457][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8571.365457][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8571.365457][ T1167] netlink_rcv_skb+0x130/0x360 [ 8571.365457][ T1167] netlink_unicast+0x449/0x710 [ 8571.365457][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8571.365457][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8571.365457][ T1167] ___sys_sendmsg+0xee/0x170 [ 8571.365457][ T1167] __sys_sendmsg+0xcd/0x170 [ 8571.365457][ T1167] do_syscall_64+0xc6/0x1e0 [ 8571.365457][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8571.365457][ T1167] [ 8571.367430][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8571.367430][ T10] netdev_get_by_index+0x5e/0x80 [ 8571.367430][ T10] fib6_nh_init+0x3d8/0x1580 [ 8571.367430][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8571.367430][ T10] ip6_route_add+0x1c/0x140 [ 8571.367430][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8571.367430][ T10] addrconf_add_dev+0xe2/0x170 [ 8571.367430][ T10] inet6_addr_add+0x12f/0xa40 [ 8571.367430][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8571.367430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8571.367430][ T10] netlink_rcv_skb+0x130/0x360 [ 8571.367430][ T10] netlink_unicast+0x449/0x710 [ 8571.367430][ T10] netlink_sendmsg+0x723/0xbe0 [ 8571.367430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8571.367430][ T10] ___sys_sendmsg+0xee/0x170 [ 8571.367430][ T10] __sys_sendmsg+0xcd/0x170 [ 8571.367430][ T10] do_syscall_64+0xc6/0x1e0 [ 8571.367430][ T10] [ 8571.369645][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8571.369645][ T1167] netdev_get_by_index+0x5e/0x80 [ 8571.369645][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8571.369645][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8571.369645][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8571.369645][ T1167] ipv6_add_addr+0x411/0x2000 [ 8571.369645][ T1167] inet6_addr_add+0x30e/0xa40 [ 8571.369645][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8571.369645][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8571.369645][ T1167] netlink_rcv_skb+0x130/0x360 [ 8571.369645][ T1167] netlink_unicast+0x449/0x710 [ 8571.369645][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8571.369645][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8571.369645][ T1167] ___sys_sendmsg+0xee/0x170 [ 8571.369645][ T1167] __sys_sendmsg+0xcd/0x170 [ 8571.369645][ T1167] do_syscall_64+0xc6/0x1e0 [ 8571.369645][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8571.369645][ T1167] [ 8571.371596][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8571.371596][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8571.371596][ T10] ipv6_find_idev+0x102/0x170 [ 8571.371596][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8571.371596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8571.371596][ T10] netlink_rcv_skb+0x130/0x360 [ 8571.371596][ T10] netlink_unicast+0x449/0x710 [ 8571.371596][ T10] netlink_sendmsg+0x723/0xbe0 [ 8571.371596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8571.371596][ T10] ___sys_sendmsg+0xee/0x170 [ 8571.371596][ T10] __sys_sendmsg+0xcd/0x170 [ 8571.371596][ T10] do_syscall_64+0xc6/0x1e0 [ 8571.371596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8571.371596][ T10] [ 8571.373873][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8571.373873][ T1167] netdev_get_by_index+0x5e/0x80 [ 8571.373873][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8571.373873][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8571.373873][ T1167] ip6_route_add+0x1c/0x140 [ 8571.373873][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8571.373873][ T1167] addrconf_add_dev+0xe2/0x170 [ 8571.373873][ T1167] inet6_addr_add+0x12f/0xa40 [ 8571.373873][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8571.373873][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8571.373873][ T1167] netlink_rcv_skb+0x130/0x360 [ 8571.373873][ T1167] netlink_unicast+0x449/0x710 [ 8571.373873][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8571.373873][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8571.373873][ T1167] ___sys_sendmsg+0xee/0x170 [ 8571.373873][ T1167] __sys_sendmsg+0xcd/0x170 [ 8571.373873][ T1167] do_syscall_64+0xc6/0x1e0 [ 8571.373873][ T1167] [ 8571.375637][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8571.375637][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8571.375637][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8571.375637][ T10] ipv6_find_idev+0x102/0x170 [ 8571.375637][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8571.375637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8571.375637][ T10] netlink_rcv_skb+0x130/0x360 [ 8571.375637][ T10] netlink_unicast+0x449/0x710 [ 8571.375637][ T10] netlink_sendmsg+0x723/0xbe0 [ 8571.375637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8571.375637][ T10] ___sys_sendmsg+0xee/0x170 [ 8571.375637][ T10] __sys_sendmsg+0xcd/0x170 [ 8571.375637][ T10] do_syscall_64+0xc6/0x1e0 [ 8571.375637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8571.375637][ T10] [ 8571.378049][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8571.378049][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8571.378049][ T1167] ipv6_find_idev+0x102/0x170 [ 8571.378049][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8571.378049][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8571.378049][ T1167] netlink_rcv_skb+0x130/0x360 [ 8571.378049][ T1167] netlink_unicast+0x449/0x710 [ 8571.378049][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8571.378049][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8571.378049][ T1167] ___sys_sendmsg+0xee/0x170 [ 8571.378049][ T1167] __sys_sendmsg+0xcd/0x170 [ 8571.378049][ T1167] do_syscall_64+0xc6/0x1e0 [ 8571.378049][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8571.378049][ T1167] [ 8571.379897][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8571.381803][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8571.381803][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8571.381803][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8571.381803][ T1167] ipv6_find_idev+0x102/0x170 [ 8571.381803][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8571.381803][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8571.381803][ T1167] netlink_rcv_skb+0x130/0x360 [ 8571.381803][ T1167] netlink_unicast+0x449/0x710 [ 8571.381803][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8571.381803][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8571.381803][ T1167] ___sys_sendmsg+0xee/0x170 [ 8571.381803][ T1167] __sys_sendmsg+0xcd/0x170 [ 8571.381803][ T1167] do_syscall_64+0xc6/0x1e0 [ 8571.381803][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8571.381803][ T1167] [ 8571.382039][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8571.382039][ T10] netdev_get_by_index+0x5e/0x80 [ 8571.382039][ T10] fib6_nh_init+0x3d8/0x1580 [ 8571.382039][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8571.382039][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8571.382039][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8571.382039][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8571.382039][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8571.382039][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8571.382039][ T10] addrconf_dad_begin+0x310/0x670 [ 8571.382039][ T10] addrconf_dad_work+0x10b/0xab0 [ 8571.382039][ T10] process_one_work+0x84d/0x18a0 [ 8571.382039][ T10] worker_thread+0x587/0xd30 [ 8571.382039][ T10] kthread+0x28a/0x350 [ 8571.382039][ T10] ret_from_fork+0x31/0x70 [ 8571.382039][ T10] ret_from_fork_asm+0x1a/0x30 [ 8571.382039][ T10] [ 8571.386314][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8571.386314][ T10] netdev_get_by_index+0x5e/0x80 [ 8571.386314][ T10] fib6_nh_init+0x3d8/0x1580 [ 8571.386314][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8571.386314][ T10] ip6_route_add+0x1c/0x140 [ 8571.386314][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8571.386314][ T10] inet6_addr_add+0x4f8/0xa40 [ 8571.386314][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8571.386314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8571.386314][ T10] netlink_rcv_skb+0x130/0x360 [ 8571.386314][ T10] netlink_unicast+0x449/0x710 [ 8571.386314][ T10] netlink_sendmsg+0x723/0xbe0 [ 8571.386314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8571.386314][ T10] ___sys_sendmsg+0xee/0x170 [ 8571.386314][ T10] __sys_sendmsg+0xcd/0x170 [ 8571.386314][ T10] do_syscall_64+0xc6/0x1e0 [ 8571.386314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8571.386314][ T10] [ 8571.388512][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8571.388512][ T10] netdev_get_by_index+0x5e/0x80 [ 8571.388512][ T10] fib6_nh_init+0x3d8/0x1580 [ 8571.388512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8571.388512][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8571.388512][ T10] ipv6_add_addr+0x411/0x2000 [ 8571.388512][ T10] inet6_addr_add+0x30e/0xa40 [ 8571.388512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8571.388512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8571.388512][ T10] netlink_rcv_skb+0x130/0x360 [ 8571.388512][ T10] netlink_unicast+0x449/0x710 [ 8571.388512][ T10] netlink_sendmsg+0x723/0xbe0 [ 8571.388512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8571.388512][ T10] ___sys_sendmsg+0xee/0x170 [ 8571.388512][ T10] __sys_sendmsg+0xcd/0x170 [ 8571.388512][ T10] do_syscall_64+0xc6/0x1e0 [ 8571.388512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8571.388512][ T10] [ 8571.390774][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8571.390774][ T10] netdev_get_by_index+0x5e/0x80 [ 8571.390774][ T10] fib6_nh_init+0x3d8/0x1580 [ 8571.390774][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8571.390774][ T10] ip6_route_add+0x1c/0x140 [ 8571.390774][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8571.390774][ T10] addrconf_add_dev+0xe2/0x170 [ 8571.390774][ T10] inet6_addr_add+0x12f/0xa40 [ 8571.390774][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8571.390774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8571.390774][ T10] netlink_rcv_skb+0x130/0x360 [ 8571.390774][ T10] netlink_unicast+0x449/0x710 [ 8571.390774][ T10] netlink_sendmsg+0x723/0xbe0 [ 8571.390774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8571.390774][ T10] ___sys_sendmsg+0xee/0x170 [ 8571.390774][ T10] __sys_sendmsg+0xcd/0x170 [ 8571.390774][ T10] do_syscall_64+0xc6/0x1e0 [ 8571.390774][ T10] [ 8571.392921][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8571.392921][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8571.392921][ T10] ipv6_find_idev+0x102/0x170 [ 8571.392921][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8571.392921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8571.392921][ T10] netlink_rcv_skb+0x130/0x360 [ 8571.392921][ T10] netlink_unicast+0x449/0x710 [ 8571.392921][ T10] netlink_sendmsg+0x723/0xbe0 [ 8571.392921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8571.392921][ T10] ___sys_sendmsg+0xee/0x170 [ 8571.392921][ T10] __sys_sendmsg+0xcd/0x170 [ 8571.392921][ T10] do_syscall_64+0xc6/0x1e0 [ 8571.392921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8571.392921][ T10] [ 8571.394585][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8571.394585][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8571.394585][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8571.394585][ T10] ipv6_find_idev+0x102/0x170 [ 8571.394585][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8571.394585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8571.394585][ T10] netlink_rcv_skb+0x130/0x360 [ 8571.394585][ T10] netlink_unicast+0x449/0x710 [ 8571.394585][ T10] netlink_sendmsg+0x723/0xbe0 [ 8571.394585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8571.394585][ T10] ___sys_sendmsg+0xee/0x170 [ 8571.394585][ T10] __sys_sendmsg+0xcd/0x170 [ 8571.394585][ T10] do_syscall_64+0xc6/0x1e0 [ 8571.394585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8571.394585][ T10] [ 8571.396567][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8571.396807][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8571.396807][ T10] netdev_get_by_index+0x5e/0x80 [ 8571.396807][ T10] fib6_nh_init+0x3d8/0x1580 [ 8571.396807][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8571.396807][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8571.396807][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8571.396807][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8571.396807][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8571.396807][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8571.396807][ T10] addrconf_dad_begin+0x310/0x670 [ 8571.396807][ T10] addrconf_dad_work+0x10b/0xab0 [ 8571.396807][ T10] process_one_work+0x84d/0x18a0 [ 8571.396807][ T10] worker_thread+0x587/0xd30 [ 8571.396807][ T10] kthread+0x28a/0x350 [ 8571.396807][ T10] ret_from_fork+0x31/0x70 [ 8571.396807][ T10] ret_from_fork_asm+0x1a/0x30 [ 8571.396807][ T10] [ 8571.398964][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8571.398964][ T10] netdev_get_by_index+0x5e/0x80 [ 8571.398964][ T10] fib6_nh_init+0x3d8/0x1580 [ 8571.398964][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8571.398964][ T10] ip6_route_add+0x1c/0x140 [ 8571.398964][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8571.398964][ T10] inet6_addr_add+0x4f8/0xa40 [ 8571.398964][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8571.398964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8571.398964][ T10] netlink_rcv_skb+0x130/0x360 [ 8571.398964][ T10] netlink_unicast+0x449/0x710 [ 8571.398964][ T10] netlink_sendmsg+0x723/0xbe0 [ 8571.398964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8571.398964][ T10] ___sys_sendmsg+0xee/0x170 [ 8571.398964][ T10] __sys_sendmsg+0xcd/0x170 [ 8571.398964][ T10] do_syscall_64+0xc6/0x1e0 [ 8571.398964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8571.398964][ T10] [ 8571.401084][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8571.401084][ T10] netdev_get_by_index+0x5e/0x80 [ 8571.401084][ T10] fib6_nh_init+0x3d8/0x1580 [ 8571.401084][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8571.401084][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8571.401084][ T10] ipv6_add_addr+0x411/0x2000 [ 8571.401084][ T10] inet6_addr_add+0x30e/0xa40 [ 8571.401084][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8571.401084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8571.401084][ T10] netlink_rcv_skb+0x130/0x360 [ 8571.401084][ T10] netlink_unicast+0x449/0x710 [ 8571.401084][ T10] netlink_sendmsg+0x723/0xbe0 [ 8571.401084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8571.401084][ T10] ___sys_sendmsg+0xee/0x170 [ 8571.401084][ T10] __sys_sendmsg+0xcd/0x170 [ 8571.401084][ T10] do_syscall_64+0xc6/0x1e0 [ 8571.401084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8571.401084][ T10] [ 8571.403331][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8571.403331][ T10] netdev_get_by_index+0x5e/0x80 [ 8571.403331][ T10] fib6_nh_init+0x3d8/0x1580 [ 8571.403331][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8571.403331][ T10] ip6_route_add+0x1c/0x140 [ 8571.403331][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8571.403331][ T10] addrconf_add_dev+0xe2/0x170 [ 8571.403331][ T10] inet6_addr_add+0x12f/0xa40 [ 8571.403331][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8571.403331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8571.403331][ T10] netlink_rcv_skb+0x130/0x360 [ 8571.403331][ T10] netlink_unicast+0x449/0x710 [ 8571.403331][ T10] netlink_sendmsg+0x723/0xbe0 [ 8571.403331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8571.403331][ T10] ___sys_sendmsg+0xee/0x170 [ 8571.403331][ T10] __sys_sendmsg+0xcd/0x170 [ 8571.403331][ T10] do_syscall_64+0xc6/0x1e0 [ 8571.403331][ T10] [ 8571.405598][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8571.405598][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8571.405598][ T10] ipv6_find_idev+0x102/0x170 [ 8571.405598][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8571.405598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8571.405598][ T10] netlink_rcv_skb+0x130/0x360 [ 8571.405598][ T10] netlink_unicast+0x449/0x710 [ 8571.405598][ T10] netlink_sendmsg+0x723/0xbe0 [ 8571.405598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8571.405598][ T10] ___sys_sendmsg+0xee/0x170 [ 8571.405598][ T10] __sys_sendmsg+0xcd/0x170 [ 8571.405598][ T10] do_syscall_64+0xc6/0x1e0 [ 8571.405598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8571.405598][ T10] [ 8571.407321][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8571.407321][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8571.407321][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8571.407321][ T10] ipv6_find_idev+0x102/0x170 [ 8571.407321][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8571.407321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8571.407321][ T10] netlink_rcv_skb+0x130/0x360 [ 8571.407321][ T10] netlink_unicast+0x449/0x710 [ 8571.407321][ T10] netlink_sendmsg+0x723/0xbe0 [ 8571.407321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8571.407321][ T10] ___sys_sendmsg+0xee/0x170 [ 8571.407321][ T10] __sys_sendmsg+0xcd/0x170 [ 8571.407321][ T10] do_syscall_64+0xc6/0x1e0 [ 8571.407321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8571.407321][ T10] [ 8581.577109][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8581.577528][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8581.577528][ T1167] dst_init+0x84/0x4a0 [ 8581.577528][ T1167] dst_alloc+0x97/0x150 [ 8581.577528][ T1167] ip6_dst_alloc+0x23/0x90 [ 8581.577528][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8581.577528][ T1167] ip6_pol_route+0x56f/0x840 [ 8581.577528][ T1167] fib6_rule_lookup+0x334/0x630 [ 8581.577528][ T1167] ip6_route_output_flags+0x259/0x480 [ 8581.577528][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8581.577528][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8581.577528][ T1167] netlink_rcv_skb+0x130/0x360 [ 8581.577528][ T1167] netlink_unicast+0x449/0x710 [ 8581.577528][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8581.577528][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8581.577528][ T1167] ___sys_sendmsg+0xee/0x170 [ 8581.577528][ T1167] __sys_sendmsg+0xcd/0x170 [ 8581.577528][ T1167] do_syscall_64+0xc6/0x1e0 [ 8581.577528][ T1167] [ 8581.578034][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8581.579709][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8581.579709][ T1167] netdev_get_by_index+0x5e/0x80 [ 8581.579709][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8581.579709][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8581.579709][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8581.579709][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8581.579709][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8581.579709][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8581.579709][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8581.579709][ T1167] addrconf_dad_begin+0x310/0x670 [ 8581.579709][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8581.579709][ T1167] process_one_work+0x84d/0x18a0 [ 8581.579709][ T1167] worker_thread+0x587/0xd30 [ 8581.579709][ T1167] kthread+0x28a/0x350 [ 8581.579709][ T1167] ret_from_fork+0x31/0x70 [ 8581.579709][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8581.579709][ T1167] [ 8581.579993][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8581.579993][ T10] netdev_get_by_index+0x5e/0x80 [ 8581.579993][ T10] fib6_nh_init+0x3d8/0x1580 [ 8581.579993][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8581.579993][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8581.579993][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8581.579993][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8581.579993][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8581.579993][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8581.579993][ T10] addrconf_dad_begin+0x310/0x670 [ 8581.579993][ T10] addrconf_dad_work+0x10b/0xab0 [ 8581.579993][ T10] process_one_work+0x84d/0x18a0 [ 8581.579993][ T10] worker_thread+0x587/0xd30 [ 8581.579993][ T10] kthread+0x28a/0x350 [ 8581.579993][ T10] ret_from_fork+0x31/0x70 [ 8581.579993][ T10] ret_from_fork_asm+0x1a/0x30 [ 8581.579993][ T10] [ 8581.582033][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8581.582033][ T1167] netdev_get_by_index+0x5e/0x80 [ 8581.582033][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8581.582033][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8581.582033][ T1167] ip6_route_add+0x1c/0x140 [ 8581.582033][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8581.582033][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8581.582033][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8581.582033][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8581.582033][ T1167] netlink_rcv_skb+0x130/0x360 [ 8581.582033][ T1167] netlink_unicast+0x449/0x710 [ 8581.582033][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8581.582033][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8581.582033][ T1167] ___sys_sendmsg+0xee/0x170 [ 8581.582033][ T1167] __sys_sendmsg+0xcd/0x170 [ 8581.582033][ T1167] do_syscall_64+0xc6/0x1e0 [ 8581.582033][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8581.582033][ T1167] [ 8581.583930][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8581.583930][ T10] netdev_get_by_index+0x5e/0x80 [ 8581.583930][ T10] fib6_nh_init+0x3d8/0x1580 [ 8581.583930][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8581.583930][ T10] ip6_route_add+0x1c/0x140 [ 8581.583930][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8581.583930][ T10] inet6_addr_add+0x4f8/0xa40 [ 8581.583930][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8581.583930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8581.583930][ T10] netlink_rcv_skb+0x130/0x360 [ 8581.583930][ T10] netlink_unicast+0x449/0x710 [ 8581.583930][ T10] netlink_sendmsg+0x723/0xbe0 [ 8581.583930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8581.583930][ T10] ___sys_sendmsg+0xee/0x170 [ 8581.583930][ T10] __sys_sendmsg+0xcd/0x170 [ 8581.583930][ T10] do_syscall_64+0xc6/0x1e0 [ 8581.583930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8581.583930][ T10] [ 8581.586135][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8581.586135][ T1167] netdev_get_by_index+0x5e/0x80 [ 8581.586135][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8581.586135][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8581.586135][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8581.586135][ T1167] ipv6_add_addr+0x411/0x2000 [ 8581.586135][ T1167] inet6_addr_add+0x30e/0xa40 [ 8581.586135][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8581.586135][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8581.586135][ T1167] netlink_rcv_skb+0x130/0x360 [ 8581.586135][ T1167] netlink_unicast+0x449/0x710 [ 8581.586135][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8581.586135][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8581.586135][ T1167] ___sys_sendmsg+0xee/0x170 [ 8581.586135][ T1167] __sys_sendmsg+0xcd/0x170 [ 8581.586135][ T1167] do_syscall_64+0xc6/0x1e0 [ 8581.586135][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8581.586135][ T1167] [ 8581.588155][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8581.588155][ T10] netdev_get_by_index+0x5e/0x80 [ 8581.588155][ T10] fib6_nh_init+0x3d8/0x1580 [ 8581.588155][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8581.588155][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8581.588155][ T10] ipv6_add_addr+0x411/0x2000 [ 8581.588155][ T10] inet6_addr_add+0x30e/0xa40 [ 8581.588155][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8581.588155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8581.588155][ T10] netlink_rcv_skb+0x130/0x360 [ 8581.588155][ T10] netlink_unicast+0x449/0x710 [ 8581.588155][ T10] netlink_sendmsg+0x723/0xbe0 [ 8581.588155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8581.588155][ T10] ___sys_sendmsg+0xee/0x170 [ 8581.588155][ T10] __sys_sendmsg+0xcd/0x170 [ 8581.588155][ T10] do_syscall_64+0xc6/0x1e0 [ 8581.588155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8581.588155][ T10] [ 8581.590353][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8581.590353][ T1167] netdev_get_by_index+0x5e/0x80 [ 8581.590353][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8581.590353][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8581.590353][ T1167] ip6_route_add+0x1c/0x140 [ 8581.590353][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8581.590353][ T1167] addrconf_add_dev+0xe2/0x170 [ 8581.590353][ T1167] inet6_addr_add+0x12f/0xa40 [ 8581.590353][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8581.590353][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8581.590353][ T1167] netlink_rcv_skb+0x130/0x360 [ 8581.590353][ T1167] netlink_unicast+0x449/0x710 [ 8581.590353][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8581.590353][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8581.590353][ T1167] ___sys_sendmsg+0xee/0x170 [ 8581.590353][ T1167] __sys_sendmsg+0xcd/0x170 [ 8581.590353][ T1167] do_syscall_64+0xc6/0x1e0 [ 8581.590353][ T1167] [ 8581.592339][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8581.592339][ T10] netdev_get_by_index+0x5e/0x80 [ 8581.592339][ T10] fib6_nh_init+0x3d8/0x1580 [ 8581.592339][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8581.592339][ T10] ip6_route_add+0x1c/0x140 [ 8581.592339][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8581.592339][ T10] addrconf_add_dev+0xe2/0x170 [ 8581.592339][ T10] inet6_addr_add+0x12f/0xa40 [ 8581.592339][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8581.592339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8581.592339][ T10] netlink_rcv_skb+0x130/0x360 [ 8581.592339][ T10] netlink_unicast+0x449/0x710 [ 8581.592339][ T10] netlink_sendmsg+0x723/0xbe0 [ 8581.592339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8581.592339][ T10] ___sys_sendmsg+0xee/0x170 [ 8581.592339][ T10] __sys_sendmsg+0xcd/0x170 [ 8581.592339][ T10] do_syscall_64+0xc6/0x1e0 [ 8581.592339][ T10] [ 8581.594520][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8581.594520][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8581.594520][ T1167] ipv6_find_idev+0x102/0x170 [ 8581.594520][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8581.594520][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8581.594520][ T1167] netlink_rcv_skb+0x130/0x360 [ 8581.594520][ T1167] netlink_unicast+0x449/0x710 [ 8581.594520][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8581.594520][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8581.594520][ T1167] ___sys_sendmsg+0xee/0x170 [ 8581.594520][ T1167] __sys_sendmsg+0xcd/0x170 [ 8581.594520][ T1167] do_syscall_64+0xc6/0x1e0 [ 8581.594520][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8581.594520][ T1167] [ 8581.596473][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8581.596473][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8581.596473][ T10] ipv6_find_idev+0x102/0x170 [ 8581.596473][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8581.596473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8581.596473][ T10] netlink_rcv_skb+0x130/0x360 [ 8581.596473][ T10] netlink_unicast+0x449/0x710 [ 8581.596473][ T10] netlink_sendmsg+0x723/0xbe0 [ 8581.596473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8581.596473][ T10] ___sys_sendmsg+0xee/0x170 [ 8581.596473][ T10] __sys_sendmsg+0xcd/0x170 [ 8581.596473][ T10] do_syscall_64+0xc6/0x1e0 [ 8581.596473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8581.596473][ T10] [ 8581.598178][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8581.598178][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8581.598178][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8581.598178][ T1167] ipv6_find_idev+0x102/0x170 [ 8581.598178][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8581.598178][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8581.598178][ T1167] netlink_rcv_skb+0x130/0x360 [ 8581.598178][ T1167] netlink_unicast+0x449/0x710 [ 8581.598178][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8581.598178][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8581.598178][ T1167] ___sys_sendmsg+0xee/0x170 [ 8581.598178][ T1167] __sys_sendmsg+0xcd/0x170 [ 8581.598178][ T1167] do_syscall_64+0xc6/0x1e0 [ 8581.598178][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8581.598178][ T1167] [ 8581.599710][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8581.599710][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8581.599710][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8581.599710][ T10] ipv6_find_idev+0x102/0x170 [ 8581.599710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8581.599710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8581.599710][ T10] netlink_rcv_skb+0x130/0x360 [ 8581.599710][ T10] netlink_unicast+0x449/0x710 [ 8581.599710][ T10] netlink_sendmsg+0x723/0xbe0 [ 8581.599710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8581.599710][ T10] ___sys_sendmsg+0xee/0x170 [ 8581.599710][ T10] __sys_sendmsg+0xcd/0x170 [ 8581.599710][ T10] do_syscall_64+0xc6/0x1e0 [ 8581.599710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8581.599710][ T10] [ 8581.603252][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8581.603498][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8581.603498][ T10] netdev_get_by_index+0x5e/0x80 [ 8581.603498][ T10] fib6_nh_init+0x3d8/0x1580 [ 8581.603498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8581.603498][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8581.603498][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8581.603498][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8581.603498][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8581.603498][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8581.603498][ T10] addrconf_dad_begin+0x310/0x670 [ 8581.603498][ T10] addrconf_dad_work+0x10b/0xab0 [ 8581.603498][ T10] process_one_work+0x84d/0x18a0 [ 8581.603498][ T10] worker_thread+0x587/0xd30 [ 8581.603498][ T10] kthread+0x28a/0x350 [ 8581.603498][ T10] ret_from_fork+0x31/0x70 [ 8581.603498][ T10] ret_from_fork_asm+0x1a/0x30 [ 8581.603498][ T10] [ 8581.605549][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8581.605549][ T10] netdev_get_by_index+0x5e/0x80 [ 8581.605549][ T10] fib6_nh_init+0x3d8/0x1580 [ 8581.605549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8581.605549][ T10] ip6_route_add+0x1c/0x140 [ 8581.605549][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8581.605549][ T10] inet6_addr_add+0x4f8/0xa40 [ 8581.605549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8581.605549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8581.605549][ T10] netlink_rcv_skb+0x130/0x360 [ 8581.605549][ T10] netlink_unicast+0x449/0x710 [ 8581.605549][ T10] netlink_sendmsg+0x723/0xbe0 [ 8581.605549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8581.605549][ T10] ___sys_sendmsg+0xee/0x170 [ 8581.605549][ T10] __sys_sendmsg+0xcd/0x170 [ 8581.605549][ T10] do_syscall_64+0xc6/0x1e0 [ 8581.605549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8581.605549][ T10] [ 8581.607946][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8581.607946][ T10] netdev_get_by_index+0x5e/0x80 [ 8581.607946][ T10] fib6_nh_init+0x3d8/0x1580 [ 8581.607946][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8581.607946][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8581.607946][ T10] ipv6_add_addr+0x411/0x2000 [ 8581.607946][ T10] inet6_addr_add+0x30e/0xa40 [ 8581.607946][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8581.607946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8581.607946][ T10] netlink_rcv_skb+0x130/0x360 [ 8581.607946][ T10] netlink_unicast+0x449/0x710 [ 8581.607946][ T10] netlink_sendmsg+0x723/0xbe0 [ 8581.607946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8581.607946][ T10] ___sys_sendmsg+0xee/0x170 [ 8581.607946][ T10] __sys_sendmsg+0xcd/0x170 [ 8581.607946][ T10] do_syscall_64+0xc6/0x1e0 [ 8581.607946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8581.607946][ T10] [ 8581.610384][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8581.610384][ T10] netdev_get_by_index+0x5e/0x80 [ 8581.610384][ T10] fib6_nh_init+0x3d8/0x1580 [ 8581.610384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8581.610384][ T10] ip6_route_add+0x1c/0x140 [ 8581.610384][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8581.610384][ T10] addrconf_add_dev+0xe2/0x170 [ 8581.610384][ T10] inet6_addr_add+0x12f/0xa40 [ 8581.610384][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8581.610384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8581.610384][ T10] netlink_rcv_skb+0x130/0x360 [ 8581.610384][ T10] netlink_unicast+0x449/0x710 [ 8581.610384][ T10] netlink_sendmsg+0x723/0xbe0 [ 8581.610384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8581.610384][ T10] ___sys_sendmsg+0xee/0x170 [ 8581.610384][ T10] __sys_sendmsg+0xcd/0x170 [ 8581.610384][ T10] do_syscall_64+0xc6/0x1e0 [ 8581.610384][ T10] [ 8581.612684][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8581.612684][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8581.612684][ T10] ipv6_find_idev+0x102/0x170 [ 8581.612684][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8581.612684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8581.612684][ T10] netlink_rcv_skb+0x130/0x360 [ 8581.612684][ T10] netlink_unicast+0x449/0x710 [ 8581.612684][ T10] netlink_sendmsg+0x723/0xbe0 [ 8581.612684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8581.612684][ T10] ___sys_sendmsg+0xee/0x170 [ 8581.612684][ T10] __sys_sendmsg+0xcd/0x170 [ 8581.612684][ T10] do_syscall_64+0xc6/0x1e0 [ 8581.612684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8581.612684][ T10] [ 8581.614524][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8581.614524][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8581.614524][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8581.614524][ T10] ipv6_find_idev+0x102/0x170 [ 8581.614524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8581.614524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8581.614524][ T10] netlink_rcv_skb+0x130/0x360 [ 8581.614524][ T10] netlink_unicast+0x449/0x710 [ 8581.614524][ T10] netlink_sendmsg+0x723/0xbe0 [ 8581.614524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8581.614524][ T10] ___sys_sendmsg+0xee/0x170 [ 8581.614524][ T10] __sys_sendmsg+0xcd/0x170 [ 8581.614524][ T10] do_syscall_64+0xc6/0x1e0 [ 8581.614524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8581.614524][ T10] [ 8581.616448][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8581.616711][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8581.616711][ T10] netdev_get_by_index+0x5e/0x80 [ 8581.616711][ T10] fib6_nh_init+0x3d8/0x1580 [ 8581.616711][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8581.616711][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8581.616711][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8581.616711][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8581.616711][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8581.616711][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8581.616711][ T10] addrconf_dad_begin+0x310/0x670 [ 8581.616711][ T10] addrconf_dad_work+0x10b/0xab0 [ 8581.616711][ T10] process_one_work+0x84d/0x18a0 [ 8581.616711][ T10] worker_thread+0x587/0xd30 [ 8581.616711][ T10] kthread+0x28a/0x350 [ 8581.616711][ T10] ret_from_fork+0x31/0x70 [ 8581.616711][ T10] ret_from_fork_asm+0x1a/0x30 [ 8581.616711][ T10] [ 8581.618835][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8581.618835][ T10] netdev_get_by_index+0x5e/0x80 [ 8581.618835][ T10] fib6_nh_init+0x3d8/0x1580 [ 8581.618835][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8581.618835][ T10] ip6_route_add+0x1c/0x140 [ 8581.618835][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8581.618835][ T10] inet6_addr_add+0x4f8/0xa40 [ 8581.618835][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8581.618835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8581.618835][ T10] netlink_rcv_skb+0x130/0x360 [ 8581.618835][ T10] netlink_unicast+0x449/0x710 [ 8581.618835][ T10] netlink_sendmsg+0x723/0xbe0 [ 8581.618835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8581.618835][ T10] ___sys_sendmsg+0xee/0x170 [ 8581.618835][ T10] __sys_sendmsg+0xcd/0x170 [ 8581.618835][ T10] do_syscall_64+0xc6/0x1e0 [ 8581.618835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8581.618835][ T10] [ 8581.621001][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8581.621001][ T10] netdev_get_by_index+0x5e/0x80 [ 8581.621001][ T10] fib6_nh_init+0x3d8/0x1580 [ 8581.621001][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8581.621001][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8581.621001][ T10] ipv6_add_addr+0x411/0x2000 [ 8581.621001][ T10] inet6_addr_add+0x30e/0xa40 [ 8581.621001][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8581.621001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8581.621001][ T10] netlink_rcv_skb+0x130/0x360 [ 8581.621001][ T10] netlink_unicast+0x449/0x710 [ 8581.621001][ T10] netlink_sendmsg+0x723/0xbe0 [ 8581.621001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8581.621001][ T10] ___sys_sendmsg+0xee/0x170 [ 8581.621001][ T10] __sys_sendmsg+0xcd/0x170 [ 8581.621001][ T10] do_syscall_64+0xc6/0x1e0 [ 8581.621001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8581.621001][ T10] [ 8581.623154][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8581.623154][ T10] netdev_get_by_index+0x5e/0x80 [ 8581.623154][ T10] fib6_nh_init+0x3d8/0x1580 [ 8581.623154][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8581.623154][ T10] ip6_route_add+0x1c/0x140 [ 8581.623154][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8581.623154][ T10] addrconf_add_dev+0xe2/0x170 [ 8581.623154][ T10] inet6_addr_add+0x12f/0xa40 [ 8581.623154][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8581.623154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8581.623154][ T10] netlink_rcv_skb+0x130/0x360 [ 8581.623154][ T10] netlink_unicast+0x449/0x710 [ 8581.623154][ T10] netlink_sendmsg+0x723/0xbe0 [ 8581.623154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8581.623154][ T10] ___sys_sendmsg+0xee/0x170 [ 8581.623154][ T10] __sys_sendmsg+0xcd/0x170 [ 8581.623154][ T10] do_syscall_64+0xc6/0x1e0 [ 8581.623154][ T10] [ 8581.625211][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8581.625211][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8581.625211][ T10] ipv6_find_idev+0x102/0x170 [ 8581.625211][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8581.625211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8581.625211][ T10] netlink_rcv_skb+0x130/0x360 [ 8581.625211][ T10] netlink_unicast+0x449/0x710 [ 8581.625211][ T10] netlink_sendmsg+0x723/0xbe0 [ 8581.625211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8581.625211][ T10] ___sys_sendmsg+0xee/0x170 [ 8581.625211][ T10] __sys_sendmsg+0xcd/0x170 [ 8581.625211][ T10] do_syscall_64+0xc6/0x1e0 [ 8581.625211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8581.625211][ T10] [ 8581.626751][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8581.626751][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8581.626751][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8581.626751][ T10] ipv6_find_idev+0x102/0x170 [ 8581.626751][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8581.626751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8581.626751][ T10] netlink_rcv_skb+0x130/0x360 [ 8581.626751][ T10] netlink_unicast+0x449/0x710 [ 8581.626751][ T10] netlink_sendmsg+0x723/0xbe0 [ 8581.626751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8581.626751][ T10] ___sys_sendmsg+0xee/0x170 [ 8581.626751][ T10] __sys_sendmsg+0xcd/0x170 [ 8581.626751][ T10] do_syscall_64+0xc6/0x1e0 [ 8581.626751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8581.626751][ T10] [ 8581.628443][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8581.628682][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8581.628682][ T10] netdev_get_by_index+0x5e/0x80 [ 8581.628682][ T10] fib6_nh_init+0x3d8/0x1580 [ 8581.628682][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8581.628682][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8581.628682][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8581.628682][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8581.628682][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8581.628682][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8581.628682][ T10] addrconf_dad_begin+0x310/0x670 [ 8581.628682][ T10] addrconf_dad_work+0x10b/0xab0 [ 8581.628682][ T10] process_one_work+0x84d/0x18a0 [ 8581.628682][ T10] worker_thread+0x587/0xd30 [ 8581.628682][ T10] kthread+0x28a/0x350 [ 8581.628682][ T10] ret_from_fork+0x31/0x70 [ 8581.628682][ T10] ret_from_fork_asm+0x1a/0x30 [ 8581.628682][ T10] [ 8581.630783][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8581.630783][ T10] netdev_get_by_index+0x5e/0x80 [ 8581.630783][ T10] fib6_nh_init+0x3d8/0x1580 [ 8581.630783][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8581.630783][ T10] ip6_route_add+0x1c/0x140 [ 8581.630783][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8581.630783][ T10] inet6_addr_add+0x4f8/0xa40 [ 8581.630783][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8581.630783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8581.630783][ T10] netlink_rcv_skb+0x130/0x360 [ 8581.630783][ T10] netlink_unicast+0x449/0x710 [ 8581.630783][ T10] netlink_sendmsg+0x723/0xbe0 [ 8581.630783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8581.630783][ T10] ___sys_sendmsg+0xee/0x170 [ 8581.630783][ T10] __sys_sendmsg+0xcd/0x170 [ 8581.630783][ T10] do_syscall_64+0xc6/0x1e0 [ 8581.630783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8581.630783][ T10] [ 8581.632965][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8581.632965][ T10] netdev_get_by_index+0x5e/0x80 [ 8581.632965][ T10] fib6_nh_init+0x3d8/0x1580 [ 8581.632965][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8581.632965][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8581.632965][ T10] ipv6_add_addr+0x411/0x2000 [ 8581.632965][ T10] inet6_addr_add+0x30e/0xa40 [ 8581.632965][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8581.632965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8581.632965][ T10] netlink_rcv_skb+0x130/0x360 [ 8581.632965][ T10] netlink_unicast+0x449/0x710 [ 8581.632965][ T10] netlink_sendmsg+0x723/0xbe0 [ 8581.632965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8581.632965][ T10] ___sys_sendmsg+0xee/0x170 [ 8581.632965][ T10] __sys_sendmsg+0xcd/0x170 [ 8581.632965][ T10] do_syscall_64+0xc6/0x1e0 [ 8581.632965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8581.632965][ T10] [ 8581.635209][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8581.635209][ T10] netdev_get_by_index+0x5e/0x80 [ 8581.635209][ T10] fib6_nh_init+0x3d8/0x1580 [ 8581.635209][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8581.635209][ T10] ip6_route_add+0x1c/0x140 [ 8581.635209][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8581.635209][ T10] addrconf_add_dev+0xe2/0x170 [ 8581.635209][ T10] inet6_addr_add+0x12f/0xa40 [ 8581.635209][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8581.635209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8581.635209][ T10] netlink_rcv_skb+0x130/0x360 [ 8581.635209][ T10] netlink_unicast+0x449/0x710 [ 8581.635209][ T10] netlink_sendmsg+0x723/0xbe0 [ 8581.635209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8581.635209][ T10] ___sys_sendmsg+0xee/0x170 [ 8581.635209][ T10] __sys_sendmsg+0xcd/0x170 [ 8581.635209][ T10] do_syscall_64+0xc6/0x1e0 [ 8581.635209][ T10] [ 8581.637948][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8581.637948][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8581.637948][ T10] ipv6_find_idev+0x102/0x170 [ 8581.637948][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8581.637948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8581.637948][ T10] netlink_rcv_skb+0x130/0x360 [ 8581.637948][ T10] netlink_unicast+0x449/0x710 [ 8581.637948][ T10] netlink_sendmsg+0x723/0xbe0 [ 8581.637948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8581.637948][ T10] ___sys_sendmsg+0xee/0x170 [ 8581.637948][ T10] __sys_sendmsg+0xcd/0x170 [ 8581.637948][ T10] do_syscall_64+0xc6/0x1e0 [ 8581.637948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8581.637948][ T10] [ 8581.639671][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8581.639671][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8581.639671][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8581.639671][ T10] ipv6_find_idev+0x102/0x170 [ 8581.639671][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8581.639671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8581.639671][ T10] netlink_rcv_skb+0x130/0x360 [ 8581.639671][ T10] netlink_unicast+0x449/0x710 [ 8581.639671][ T10] netlink_sendmsg+0x723/0xbe0 [ 8581.639671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8581.639671][ T10] ___sys_sendmsg+0xee/0x170 [ 8581.639671][ T10] __sys_sendmsg+0xcd/0x170 [ 8581.639671][ T10] do_syscall_64+0xc6/0x1e0 [ 8581.639671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8581.639671][ T10] [ 8591.625109][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8591.625538][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8591.625538][ T1167] dst_init+0x84/0x4a0 [ 8591.625538][ T1167] dst_alloc+0x97/0x150 [ 8591.625538][ T1167] ip6_dst_alloc+0x23/0x90 [ 8591.625538][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8591.625538][ T1167] ip6_pol_route+0x56f/0x840 [ 8591.625538][ T1167] fib6_rule_lookup+0x334/0x630 [ 8591.625538][ T1167] ip6_route_output_flags+0x259/0x480 [ 8591.625538][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8591.625538][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8591.625538][ T1167] netlink_rcv_skb+0x130/0x360 [ 8591.625538][ T1167] netlink_unicast+0x449/0x710 [ 8591.625538][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8591.625538][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8591.625538][ T1167] ___sys_sendmsg+0xee/0x170 [ 8591.625538][ T1167] __sys_sendmsg+0xcd/0x170 [ 8591.625538][ T1167] do_syscall_64+0xc6/0x1e0 [ 8591.625538][ T1167] [ 8591.627749][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8591.627749][ T1167] netdev_get_by_index+0x5e/0x80 [ 8591.627749][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8591.627749][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8591.627749][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8591.627749][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8591.627749][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8591.627749][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8591.627749][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8591.627749][ T1167] addrconf_dad_begin+0x310/0x670 [ 8591.627749][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8591.627749][ T1167] process_one_work+0x84d/0x18a0 [ 8591.627749][ T1167] worker_thread+0x587/0xd30 [ 8591.627749][ T1167] kthread+0x28a/0x350 [ 8591.627749][ T1167] ret_from_fork+0x31/0x70 [ 8591.627749][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8591.627749][ T1167] [ 8591.629899][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8591.629899][ T1167] netdev_get_by_index+0x5e/0x80 [ 8591.629899][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8591.629899][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8591.629899][ T1167] ip6_route_add+0x1c/0x140 [ 8591.629899][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8591.629899][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8591.629899][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8591.629899][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8591.629899][ T1167] netlink_rcv_skb+0x130/0x360 [ 8591.629899][ T1167] netlink_unicast+0x449/0x710 [ 8591.629899][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8591.629899][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8591.629899][ T1167] ___sys_sendmsg+0xee/0x170 [ 8591.629899][ T1167] __sys_sendmsg+0xcd/0x170 [ 8591.629899][ T1167] do_syscall_64+0xc6/0x1e0 [ 8591.629899][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8591.629899][ T1167] [ 8591.632153][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8591.632153][ T1167] netdev_get_by_index+0x5e/0x80 [ 8591.632153][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8591.632153][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8591.632153][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8591.632153][ T1167] ipv6_add_addr+0x411/0x2000 [ 8591.632153][ T1167] inet6_addr_add+0x30e/0xa40 [ 8591.632153][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8591.632153][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8591.632153][ T1167] netlink_rcv_skb+0x130/0x360 [ 8591.632153][ T1167] netlink_unicast+0x449/0x710 [ 8591.632153][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8591.632153][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8591.632153][ T1167] ___sys_sendmsg+0xee/0x170 [ 8591.632153][ T1167] __sys_sendmsg+0xcd/0x170 [ 8591.632153][ T1167] do_syscall_64+0xc6/0x1e0 [ 8591.632153][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8591.632153][ T1167] [ 8591.634399][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8591.634399][ T1167] netdev_get_by_index+0x5e/0x80 [ 8591.634399][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8591.634399][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8591.634399][ T1167] ip6_route_add+0x1c/0x140 [ 8591.634399][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8591.634399][ T1167] addrconf_add_dev+0xe2/0x170 [ 8591.634399][ T1167] inet6_addr_add+0x12f/0xa40 [ 8591.634399][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8591.634399][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8591.634399][ T1167] netlink_rcv_skb+0x130/0x360 [ 8591.634399][ T1167] netlink_unicast+0x449/0x710 [ 8591.634399][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8591.634399][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8591.634399][ T1167] ___sys_sendmsg+0xee/0x170 [ 8591.634399][ T1167] __sys_sendmsg+0xcd/0x170 [ 8591.634399][ T1167] do_syscall_64+0xc6/0x1e0 [ 8591.634399][ T1167] [ 8591.636617][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8591.636617][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8591.636617][ T1167] ipv6_find_idev+0x102/0x170 [ 8591.636617][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8591.636617][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8591.636617][ T1167] netlink_rcv_skb+0x130/0x360 [ 8591.636617][ T1167] netlink_unicast+0x449/0x710 [ 8591.636617][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8591.636617][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8591.636617][ T1167] ___sys_sendmsg+0xee/0x170 [ 8591.636617][ T1167] __sys_sendmsg+0xcd/0x170 [ 8591.636617][ T1167] do_syscall_64+0xc6/0x1e0 [ 8591.636617][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8591.636617][ T1167] [ 8591.638359][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8591.638359][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8591.638359][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8591.638359][ T1167] ipv6_find_idev+0x102/0x170 [ 8591.638359][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8591.638359][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8591.638359][ T1167] netlink_rcv_skb+0x130/0x360 [ 8591.638359][ T1167] netlink_unicast+0x449/0x710 [ 8591.638359][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8591.638359][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8591.638359][ T1167] ___sys_sendmsg+0xee/0x170 [ 8591.638359][ T1167] __sys_sendmsg+0xcd/0x170 [ 8591.638359][ T1167] do_syscall_64+0xc6/0x1e0 [ 8591.638359][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8591.638359][ T1167] [ 8591.897107][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8591.897415][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8591.897415][ T10] netdev_get_by_index+0x5e/0x80 [ 8591.897415][ T10] fib6_nh_init+0x3d8/0x1580 [ 8591.897415][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8591.897415][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8591.897415][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8591.897415][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8591.897415][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8591.897415][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8591.897415][ T10] addrconf_dad_begin+0x310/0x670 [ 8591.897415][ T10] addrconf_dad_work+0x10b/0xab0 [ 8591.897415][ T10] process_one_work+0x84d/0x18a0 [ 8591.897415][ T10] worker_thread+0x587/0xd30 [ 8591.897415][ T10] kthread+0x28a/0x350 [ 8591.897415][ T10] ret_from_fork+0x31/0x70 [ 8591.897415][ T10] ret_from_fork_asm+0x1a/0x30 [ 8591.897415][ T10] [ 8591.899349][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8591.899349][ T10] netdev_get_by_index+0x5e/0x80 [ 8591.899349][ T10] fib6_nh_init+0x3d8/0x1580 [ 8591.899349][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8591.899349][ T10] ip6_route_add+0x1c/0x140 [ 8591.899349][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8591.899349][ T10] inet6_addr_add+0x4f8/0xa40 [ 8591.899349][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8591.899349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8591.899349][ T10] netlink_rcv_skb+0x130/0x360 [ 8591.899349][ T10] netlink_unicast+0x449/0x710 [ 8591.899349][ T10] netlink_sendmsg+0x723/0xbe0 [ 8591.899349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8591.899349][ T10] ___sys_sendmsg+0xee/0x170 [ 8591.899349][ T10] __sys_sendmsg+0xcd/0x170 [ 8591.899349][ T10] do_syscall_64+0xc6/0x1e0 [ 8591.899349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8591.899349][ T10] [ 8591.901344][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8591.901344][ T10] netdev_get_by_index+0x5e/0x80 [ 8591.901344][ T10] fib6_nh_init+0x3d8/0x1580 [ 8591.901344][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8591.901344][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8591.901344][ T10] ipv6_add_addr+0x411/0x2000 [ 8591.901344][ T10] inet6_addr_add+0x30e/0xa40 [ 8591.901344][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8591.901344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8591.901344][ T10] netlink_rcv_skb+0x130/0x360 [ 8591.901344][ T10] netlink_unicast+0x449/0x710 [ 8591.901344][ T10] netlink_sendmsg+0x723/0xbe0 [ 8591.901344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8591.901344][ T10] ___sys_sendmsg+0xee/0x170 [ 8591.901344][ T10] __sys_sendmsg+0xcd/0x170 [ 8591.901344][ T10] do_syscall_64+0xc6/0x1e0 [ 8591.901344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8591.901344][ T10] [ 8591.903344][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8591.903344][ T10] netdev_get_by_index+0x5e/0x80 [ 8591.903344][ T10] fib6_nh_init+0x3d8/0x1580 [ 8591.903344][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8591.903344][ T10] ip6_route_add+0x1c/0x140 [ 8591.903344][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8591.903344][ T10] addrconf_add_dev+0xe2/0x170 [ 8591.903344][ T10] inet6_addr_add+0x12f/0xa40 [ 8591.903344][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8591.903344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8591.903344][ T10] netlink_rcv_skb+0x130/0x360 [ 8591.903344][ T10] netlink_unicast+0x449/0x710 [ 8591.903344][ T10] netlink_sendmsg+0x723/0xbe0 [ 8591.903344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8591.903344][ T10] ___sys_sendmsg+0xee/0x170 [ 8591.903344][ T10] __sys_sendmsg+0xcd/0x170 [ 8591.903344][ T10] do_syscall_64+0xc6/0x1e0 [ 8591.903344][ T10] [ 8591.905321][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8591.905321][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8591.905321][ T10] ipv6_find_idev+0x102/0x170 [ 8591.905321][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8591.905321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8591.905321][ T10] netlink_rcv_skb+0x130/0x360 [ 8591.905321][ T10] netlink_unicast+0x449/0x710 [ 8591.905321][ T10] netlink_sendmsg+0x723/0xbe0 [ 8591.905321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8591.905321][ T10] ___sys_sendmsg+0xee/0x170 [ 8591.905321][ T10] __sys_sendmsg+0xcd/0x170 [ 8591.905321][ T10] do_syscall_64+0xc6/0x1e0 [ 8591.905321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8591.905321][ T10] [ 8591.906869][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8591.906869][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8591.906869][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8591.906869][ T10] ipv6_find_idev+0x102/0x170 [ 8591.906869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8591.906869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8591.906869][ T10] netlink_rcv_skb+0x130/0x360 [ 8591.906869][ T10] netlink_unicast+0x449/0x710 [ 8591.906869][ T10] netlink_sendmsg+0x723/0xbe0 [ 8591.906869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8591.906869][ T10] ___sys_sendmsg+0xee/0x170 [ 8591.906869][ T10] __sys_sendmsg+0xcd/0x170 [ 8591.906869][ T10] do_syscall_64+0xc6/0x1e0 [ 8591.906869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8591.906869][ T10] [ 8591.908598][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8591.908838][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8591.908838][ T10] netdev_get_by_index+0x5e/0x80 [ 8591.908838][ T10] fib6_nh_init+0x3d8/0x1580 [ 8591.908838][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8591.908838][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8591.908838][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8591.908838][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8591.908838][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8591.908838][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8591.908838][ T10] addrconf_dad_begin+0x310/0x670 [ 8591.908838][ T10] addrconf_dad_work+0x10b/0xab0 [ 8591.908838][ T10] process_one_work+0x84d/0x18a0 [ 8591.908838][ T10] worker_thread+0x587/0xd30 [ 8591.908838][ T10] kthread+0x28a/0x350 [ 8591.908838][ T10] ret_from_fork+0x31/0x70 [ 8591.908838][ T10] ret_from_fork_asm+0x1a/0x30 [ 8591.908838][ T10] [ 8591.910762][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8591.910762][ T10] netdev_get_by_index+0x5e/0x80 [ 8591.910762][ T10] fib6_nh_init+0x3d8/0x1580 [ 8591.910762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8591.910762][ T10] ip6_route_add+0x1c/0x140 [ 8591.910762][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8591.910762][ T10] inet6_addr_add+0x4f8/0xa40 [ 8591.910762][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8591.910762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8591.910762][ T10] netlink_rcv_skb+0x130/0x360 [ 8591.910762][ T10] netlink_unicast+0x449/0x710 [ 8591.910762][ T10] netlink_sendmsg+0x723/0xbe0 [ 8591.910762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8591.910762][ T10] ___sys_sendmsg+0xee/0x170 [ 8591.910762][ T10] __sys_sendmsg+0xcd/0x170 [ 8591.910762][ T10] do_syscall_64+0xc6/0x1e0 [ 8591.910762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8591.910762][ T10] [ 8591.912793][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8591.912793][ T10] netdev_get_by_index+0x5e/0x80 [ 8591.912793][ T10] fib6_nh_init+0x3d8/0x1580 [ 8591.912793][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8591.912793][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8591.912793][ T10] ipv6_add_addr+0x411/0x2000 [ 8591.912793][ T10] inet6_addr_add+0x30e/0xa40 [ 8591.912793][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8591.912793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8591.912793][ T10] netlink_rcv_skb+0x130/0x360 [ 8591.912793][ T10] netlink_unicast+0x449/0x710 [ 8591.912793][ T10] netlink_sendmsg+0x723/0xbe0 [ 8591.912793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8591.912793][ T10] ___sys_sendmsg+0xee/0x170 [ 8591.912793][ T10] __sys_sendmsg+0xcd/0x170 [ 8591.912793][ T10] do_syscall_64+0xc6/0x1e0 [ 8591.912793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8591.912793][ T10] [ 8591.914818][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8591.914818][ T10] netdev_get_by_index+0x5e/0x80 [ 8591.914818][ T10] fib6_nh_init+0x3d8/0x1580 [ 8591.914818][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8591.914818][ T10] ip6_route_add+0x1c/0x140 [ 8591.914818][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8591.914818][ T10] addrconf_add_dev+0xe2/0x170 [ 8591.914818][ T10] inet6_addr_add+0x12f/0xa40 [ 8591.914818][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8591.914818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8591.914818][ T10] netlink_rcv_skb+0x130/0x360 [ 8591.914818][ T10] netlink_unicast+0x449/0x710 [ 8591.914818][ T10] netlink_sendmsg+0x723/0xbe0 [ 8591.914818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8591.914818][ T10] ___sys_sendmsg+0xee/0x170 [ 8591.914818][ T10] __sys_sendmsg+0xcd/0x170 [ 8591.914818][ T10] do_syscall_64+0xc6/0x1e0 [ 8591.914818][ T10] [ 8591.916798][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8591.916798][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8591.916798][ T10] ipv6_find_idev+0x102/0x170 [ 8591.916798][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8591.916798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8591.916798][ T10] netlink_rcv_skb+0x130/0x360 [ 8591.916798][ T10] netlink_unicast+0x449/0x710 [ 8591.916798][ T10] netlink_sendmsg+0x723/0xbe0 [ 8591.916798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8591.916798][ T10] ___sys_sendmsg+0xee/0x170 [ 8591.916798][ T10] __sys_sendmsg+0xcd/0x170 [ 8591.916798][ T10] do_syscall_64+0xc6/0x1e0 [ 8591.916798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8591.916798][ T10] [ 8591.918353][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8591.918353][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8591.918353][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8591.918353][ T10] ipv6_find_idev+0x102/0x170 [ 8591.918353][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8591.918353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8591.918353][ T10] netlink_rcv_skb+0x130/0x360 [ 8591.918353][ T10] netlink_unicast+0x449/0x710 [ 8591.918353][ T10] netlink_sendmsg+0x723/0xbe0 [ 8591.918353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8591.918353][ T10] ___sys_sendmsg+0xee/0x170 [ 8591.918353][ T10] __sys_sendmsg+0xcd/0x170 [ 8591.918353][ T10] do_syscall_64+0xc6/0x1e0 [ 8591.918353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8591.918353][ T10] [ 8591.920054][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8591.920295][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8591.920295][ T10] netdev_get_by_index+0x5e/0x80 [ 8591.920295][ T10] fib6_nh_init+0x3d8/0x1580 [ 8591.920295][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8591.920295][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8591.920295][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8591.920295][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8591.920295][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8591.920295][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8591.920295][ T10] addrconf_dad_begin+0x310/0x670 [ 8591.920295][ T10] addrconf_dad_work+0x10b/0xab0 [ 8591.920295][ T10] process_one_work+0x84d/0x18a0 [ 8591.920295][ T10] worker_thread+0x587/0xd30 [ 8591.920295][ T10] kthread+0x28a/0x350 [ 8591.920295][ T10] ret_from_fork+0x31/0x70 [ 8591.920295][ T10] ret_from_fork_asm+0x1a/0x30 [ 8591.920295][ T10] [ 8591.922222][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8591.922222][ T10] netdev_get_by_index+0x5e/0x80 [ 8591.922222][ T10] fib6_nh_init+0x3d8/0x1580 [ 8591.922222][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8591.922222][ T10] ip6_route_add+0x1c/0x140 [ 8591.922222][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8591.922222][ T10] inet6_addr_add+0x4f8/0xa40 [ 8591.922222][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8591.922222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8591.922222][ T10] netlink_rcv_skb+0x130/0x360 [ 8591.922222][ T10] netlink_unicast+0x449/0x710 [ 8591.922222][ T10] netlink_sendmsg+0x723/0xbe0 [ 8591.922222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8591.922222][ T10] ___sys_sendmsg+0xee/0x170 [ 8591.922222][ T10] __sys_sendmsg+0xcd/0x170 [ 8591.922222][ T10] do_syscall_64+0xc6/0x1e0 [ 8591.922222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8591.922222][ T10] [ 8591.924366][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8591.924366][ T10] netdev_get_by_index+0x5e/0x80 [ 8591.924366][ T10] fib6_nh_init+0x3d8/0x1580 [ 8591.924366][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8591.924366][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8591.924366][ T10] ipv6_add_addr+0x411/0x2000 [ 8591.924366][ T10] inet6_addr_add+0x30e/0xa40 [ 8591.924366][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8591.924366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8591.924366][ T10] netlink_rcv_skb+0x130/0x360 [ 8591.924366][ T10] netlink_unicast+0x449/0x710 [ 8591.924366][ T10] netlink_sendmsg+0x723/0xbe0 [ 8591.924366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8591.924366][ T10] ___sys_sendmsg+0xee/0x170 [ 8591.924366][ T10] __sys_sendmsg+0xcd/0x170 [ 8591.924366][ T10] do_syscall_64+0xc6/0x1e0 [ 8591.924366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8591.924366][ T10] [ 8591.926501][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8591.926501][ T10] netdev_get_by_index+0x5e/0x80 [ 8591.926501][ T10] fib6_nh_init+0x3d8/0x1580 [ 8591.926501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8591.926501][ T10] ip6_route_add+0x1c/0x140 [ 8591.926501][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8591.926501][ T10] addrconf_add_dev+0xe2/0x170 [ 8591.926501][ T10] inet6_addr_add+0x12f/0xa40 [ 8591.926501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8591.926501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8591.926501][ T10] netlink_rcv_skb+0x130/0x360 [ 8591.926501][ T10] netlink_unicast+0x449/0x710 [ 8591.926501][ T10] netlink_sendmsg+0x723/0xbe0 [ 8591.926501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8591.926501][ T10] ___sys_sendmsg+0xee/0x170 [ 8591.926501][ T10] __sys_sendmsg+0xcd/0x170 [ 8591.926501][ T10] do_syscall_64+0xc6/0x1e0 [ 8591.926501][ T10] [ 8591.928611][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8591.928611][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8591.928611][ T10] ipv6_find_idev+0x102/0x170 [ 8591.928611][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8591.928611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8591.928611][ T10] netlink_rcv_skb+0x130/0x360 [ 8591.928611][ T10] netlink_unicast+0x449/0x710 [ 8591.928611][ T10] netlink_sendmsg+0x723/0xbe0 [ 8591.928611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8591.928611][ T10] ___sys_sendmsg+0xee/0x170 [ 8591.928611][ T10] __sys_sendmsg+0xcd/0x170 [ 8591.928611][ T10] do_syscall_64+0xc6/0x1e0 [ 8591.928611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8591.928611][ T10] [ 8591.930219][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8591.930219][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8591.930219][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8591.930219][ T10] ipv6_find_idev+0x102/0x170 [ 8591.930219][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8591.930219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8591.930219][ T10] netlink_rcv_skb+0x130/0x360 [ 8591.930219][ T10] netlink_unicast+0x449/0x710 [ 8591.930219][ T10] netlink_sendmsg+0x723/0xbe0 [ 8591.930219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8591.930219][ T10] ___sys_sendmsg+0xee/0x170 [ 8591.930219][ T10] __sys_sendmsg+0xcd/0x170 [ 8591.930219][ T10] do_syscall_64+0xc6/0x1e0 [ 8591.930219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8591.930219][ T10] [ 8591.932041][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8591.932284][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8591.932284][ T10] netdev_get_by_index+0x5e/0x80 [ 8591.932284][ T10] fib6_nh_init+0x3d8/0x1580 [ 8591.932284][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8591.932284][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8591.932284][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8591.932284][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8591.932284][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8591.932284][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8591.932284][ T10] addrconf_dad_begin+0x310/0x670 [ 8591.932284][ T10] addrconf_dad_work+0x10b/0xab0 [ 8591.932284][ T10] process_one_work+0x84d/0x18a0 [ 8591.932284][ T10] worker_thread+0x587/0xd30 [ 8591.932284][ T10] kthread+0x28a/0x350 [ 8591.932284][ T10] ret_from_fork+0x31/0x70 [ 8591.932284][ T10] ret_from_fork_asm+0x1a/0x30 [ 8591.932284][ T10] [ 8591.934333][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8591.934333][ T10] netdev_get_by_index+0x5e/0x80 [ 8591.934333][ T10] fib6_nh_init+0x3d8/0x1580 [ 8591.934333][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8591.934333][ T10] ip6_route_add+0x1c/0x140 [ 8591.934333][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8591.934333][ T10] inet6_addr_add+0x4f8/0xa40 [ 8591.934333][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8591.934333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8591.934333][ T10] netlink_rcv_skb+0x130/0x360 [ 8591.934333][ T10] netlink_unicast+0x449/0x710 [ 8591.934333][ T10] netlink_sendmsg+0x723/0xbe0 [ 8591.934333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8591.934333][ T10] ___sys_sendmsg+0xee/0x170 [ 8591.934333][ T10] __sys_sendmsg+0xcd/0x170 [ 8591.934333][ T10] do_syscall_64+0xc6/0x1e0 [ 8591.934333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8591.934333][ T10] [ 8591.936468][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8591.936468][ T10] netdev_get_by_index+0x5e/0x80 [ 8591.936468][ T10] fib6_nh_init+0x3d8/0x1580 [ 8591.936468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8591.936468][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8591.936468][ T10] ipv6_add_addr+0x411/0x2000 [ 8591.936468][ T10] inet6_addr_add+0x30e/0xa40 [ 8591.936468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8591.936468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8591.936468][ T10] netlink_rcv_skb+0x130/0x360 [ 8591.936468][ T10] netlink_unicast+0x449/0x710 [ 8591.936468][ T10] netlink_sendmsg+0x723/0xbe0 [ 8591.936468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8591.936468][ T10] ___sys_sendmsg+0xee/0x170 [ 8591.936468][ T10] __sys_sendmsg+0xcd/0x170 [ 8591.936468][ T10] do_syscall_64+0xc6/0x1e0 [ 8591.936468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8591.936468][ T10] [ 8591.938609][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8591.938609][ T10] netdev_get_by_index+0x5e/0x80 [ 8591.938609][ T10] fib6_nh_init+0x3d8/0x1580 [ 8591.938609][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8591.938609][ T10] ip6_route_add+0x1c/0x140 [ 8591.938609][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8591.938609][ T10] addrconf_add_dev+0xe2/0x170 [ 8591.938609][ T10] inet6_addr_add+0x12f/0xa40 [ 8591.938609][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8591.938609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8591.938609][ T10] netlink_rcv_skb+0x130/0x360 [ 8591.938609][ T10] netlink_unicast+0x449/0x710 [ 8591.938609][ T10] netlink_sendmsg+0x723/0xbe0 [ 8591.938609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8591.938609][ T10] ___sys_sendmsg+0xee/0x170 [ 8591.938609][ T10] __sys_sendmsg+0xcd/0x170 [ 8591.938609][ T10] do_syscall_64+0xc6/0x1e0 [ 8591.938609][ T10] [ 8591.940714][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8591.940714][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8591.940714][ T10] ipv6_find_idev+0x102/0x170 [ 8591.940714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8591.940714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8591.940714][ T10] netlink_rcv_skb+0x130/0x360 [ 8591.940714][ T10] netlink_unicast+0x449/0x710 [ 8591.940714][ T10] netlink_sendmsg+0x723/0xbe0 [ 8591.940714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8591.940714][ T10] ___sys_sendmsg+0xee/0x170 [ 8591.940714][ T10] __sys_sendmsg+0xcd/0x170 [ 8591.940714][ T10] do_syscall_64+0xc6/0x1e0 [ 8591.940714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8591.940714][ T10] [ 8591.942320][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8591.942320][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8591.942320][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8591.942320][ T10] ipv6_find_idev+0x102/0x170 [ 8591.942320][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8591.942320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8591.942320][ T10] netlink_rcv_skb+0x130/0x360 [ 8591.942320][ T10] netlink_unicast+0x449/0x710 [ 8591.942320][ T10] netlink_sendmsg+0x723/0xbe0 [ 8591.942320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8591.942320][ T10] ___sys_sendmsg+0xee/0x170 [ 8591.942320][ T10] __sys_sendmsg+0xcd/0x170 [ 8591.942320][ T10] do_syscall_64+0xc6/0x1e0 [ 8591.942320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8591.942320][ T10] [ 8601.889056][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8601.889468][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8601.889468][ T1167] dst_init+0x84/0x4a0 [ 8601.889468][ T1167] dst_alloc+0x97/0x150 [ 8601.889468][ T1167] ip6_dst_alloc+0x23/0x90 [ 8601.889468][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8601.889468][ T1167] ip6_pol_route+0x56f/0x840 [ 8601.889468][ T1167] fib6_rule_lookup+0x334/0x630 [ 8601.889468][ T1167] ip6_route_output_flags+0x259/0x480 [ 8601.889468][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8601.889468][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8601.889468][ T1167] netlink_rcv_skb+0x130/0x360 [ 8601.889468][ T1167] netlink_unicast+0x449/0x710 [ 8601.889468][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8601.889468][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8601.889468][ T1167] ___sys_sendmsg+0xee/0x170 [ 8601.889468][ T1167] __sys_sendmsg+0xcd/0x170 [ 8601.889468][ T1167] do_syscall_64+0xc6/0x1e0 [ 8601.889468][ T1167] [ 8601.891686][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8601.891686][ T1167] netdev_get_by_index+0x5e/0x80 [ 8601.891686][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8601.891686][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8601.891686][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8601.891686][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8601.891686][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8601.891686][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8601.891686][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8601.891686][ T1167] addrconf_dad_begin+0x310/0x670 [ 8601.891686][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8601.891686][ T1167] process_one_work+0x84d/0x18a0 [ 8601.891686][ T1167] worker_thread+0x587/0xd30 [ 8601.891686][ T1167] kthread+0x28a/0x350 [ 8601.891686][ T1167] ret_from_fork+0x31/0x70 [ 8601.891686][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8601.891686][ T1167] [ 8601.893845][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8601.893845][ T1167] netdev_get_by_index+0x5e/0x80 [ 8601.893845][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8601.893845][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8601.893845][ T1167] ip6_route_add+0x1c/0x140 [ 8601.893845][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8601.893845][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8601.893845][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8601.893845][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8601.893845][ T1167] netlink_rcv_skb+0x130/0x360 [ 8601.893845][ T1167] netlink_unicast+0x449/0x710 [ 8601.893845][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8601.893845][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8601.893845][ T1167] ___sys_sendmsg+0xee/0x170 [ 8601.893845][ T1167] __sys_sendmsg+0xcd/0x170 [ 8601.893845][ T1167] do_syscall_64+0xc6/0x1e0 [ 8601.893845][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8601.893845][ T1167] [ 8601.896108][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8601.896108][ T1167] netdev_get_by_index+0x5e/0x80 [ 8601.896108][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8601.896108][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8601.896108][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8601.896108][ T1167] ipv6_add_addr+0x411/0x2000 [ 8601.896108][ T1167] inet6_addr_add+0x30e/0xa40 [ 8601.896108][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8601.896108][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8601.896108][ T1167] netlink_rcv_skb+0x130/0x360 [ 8601.896108][ T1167] netlink_unicast+0x449/0x710 [ 8601.896108][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8601.896108][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8601.896108][ T1167] ___sys_sendmsg+0xee/0x170 [ 8601.896108][ T1167] __sys_sendmsg+0xcd/0x170 [ 8601.896108][ T1167] do_syscall_64+0xc6/0x1e0 [ 8601.896108][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8601.896108][ T1167] [ 8601.898360][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8601.898360][ T1167] netdev_get_by_index+0x5e/0x80 [ 8601.898360][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8601.898360][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8601.898360][ T1167] ip6_route_add+0x1c/0x140 [ 8601.898360][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8601.898360][ T1167] addrconf_add_dev+0xe2/0x170 [ 8601.898360][ T1167] inet6_addr_add+0x12f/0xa40 [ 8601.898360][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8601.898360][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8601.898360][ T1167] netlink_rcv_skb+0x130/0x360 [ 8601.898360][ T1167] netlink_unicast+0x449/0x710 [ 8601.898360][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8601.898360][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8601.898360][ T1167] ___sys_sendmsg+0xee/0x170 [ 8601.898360][ T1167] __sys_sendmsg+0xcd/0x170 [ 8601.898360][ T1167] do_syscall_64+0xc6/0x1e0 [ 8601.898360][ T1167] [ 8601.900558][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8601.900558][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8601.900558][ T1167] ipv6_find_idev+0x102/0x170 [ 8601.900558][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8601.900558][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8601.900558][ T1167] netlink_rcv_skb+0x130/0x360 [ 8601.900558][ T1167] netlink_unicast+0x449/0x710 [ 8601.900558][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8601.900558][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8601.900558][ T1167] ___sys_sendmsg+0xee/0x170 [ 8601.900558][ T1167] __sys_sendmsg+0xcd/0x170 [ 8601.900558][ T1167] do_syscall_64+0xc6/0x1e0 [ 8601.900558][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8601.900558][ T1167] [ 8601.902279][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8601.902279][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8601.902279][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8601.902279][ T1167] ipv6_find_idev+0x102/0x170 [ 8601.902279][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8601.902279][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8601.902279][ T1167] netlink_rcv_skb+0x130/0x360 [ 8601.902279][ T1167] netlink_unicast+0x449/0x710 [ 8601.902279][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8601.902279][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8601.902279][ T1167] ___sys_sendmsg+0xee/0x170 [ 8601.902279][ T1167] __sys_sendmsg+0xcd/0x170 [ 8601.902279][ T1167] do_syscall_64+0xc6/0x1e0 [ 8601.902279][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8601.902279][ T1167] [ 8602.185101][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8602.185417][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8602.185417][ T10] netdev_get_by_index+0x5e/0x80 [ 8602.185417][ T10] fib6_nh_init+0x3d8/0x1580 [ 8602.185417][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8602.185417][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8602.185417][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8602.185417][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8602.185417][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8602.185417][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8602.185417][ T10] addrconf_dad_begin+0x310/0x670 [ 8602.185417][ T10] addrconf_dad_work+0x10b/0xab0 [ 8602.185417][ T10] process_one_work+0x84d/0x18a0 [ 8602.185417][ T10] worker_thread+0x587/0xd30 [ 8602.185417][ T10] kthread+0x28a/0x350 [ 8602.185417][ T10] ret_from_fork+0x31/0x70 [ 8602.185417][ T10] ret_from_fork_asm+0x1a/0x30 [ 8602.185417][ T10] [ 8602.187385][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8602.187385][ T10] netdev_get_by_index+0x5e/0x80 [ 8602.187385][ T10] fib6_nh_init+0x3d8/0x1580 [ 8602.187385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8602.187385][ T10] ip6_route_add+0x1c/0x140 [ 8602.187385][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8602.187385][ T10] inet6_addr_add+0x4f8/0xa40 [ 8602.187385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8602.187385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8602.187385][ T10] netlink_rcv_skb+0x130/0x360 [ 8602.187385][ T10] netlink_unicast+0x449/0x710 [ 8602.187385][ T10] netlink_sendmsg+0x723/0xbe0 [ 8602.187385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8602.187385][ T10] ___sys_sendmsg+0xee/0x170 [ 8602.187385][ T10] __sys_sendmsg+0xcd/0x170 [ 8602.187385][ T10] do_syscall_64+0xc6/0x1e0 [ 8602.187385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8602.187385][ T10] [ 8602.189410][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8602.189410][ T10] netdev_get_by_index+0x5e/0x80 [ 8602.189410][ T10] fib6_nh_init+0x3d8/0x1580 [ 8602.189410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8602.189410][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8602.189410][ T10] ipv6_add_addr+0x411/0x2000 [ 8602.189410][ T10] inet6_addr_add+0x30e/0xa40 [ 8602.189410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8602.189410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8602.189410][ T10] netlink_rcv_skb+0x130/0x360 [ 8602.189410][ T10] netlink_unicast+0x449/0x710 [ 8602.189410][ T10] netlink_sendmsg+0x723/0xbe0 [ 8602.189410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8602.189410][ T10] ___sys_sendmsg+0xee/0x170 [ 8602.189410][ T10] __sys_sendmsg+0xcd/0x170 [ 8602.189410][ T10] do_syscall_64+0xc6/0x1e0 [ 8602.189410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8602.189410][ T10] [ 8602.191425][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8602.191425][ T10] netdev_get_by_index+0x5e/0x80 [ 8602.191425][ T10] fib6_nh_init+0x3d8/0x1580 [ 8602.191425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8602.191425][ T10] ip6_route_add+0x1c/0x140 [ 8602.191425][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8602.191425][ T10] addrconf_add_dev+0xe2/0x170 [ 8602.191425][ T10] inet6_addr_add+0x12f/0xa40 [ 8602.191425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8602.191425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8602.191425][ T10] netlink_rcv_skb+0x130/0x360 [ 8602.191425][ T10] netlink_unicast+0x449/0x710 [ 8602.191425][ T10] netlink_sendmsg+0x723/0xbe0 [ 8602.191425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8602.191425][ T10] ___sys_sendmsg+0xee/0x170 [ 8602.191425][ T10] __sys_sendmsg+0xcd/0x170 [ 8602.191425][ T10] do_syscall_64+0xc6/0x1e0 [ 8602.191425][ T10] [ 8602.193404][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8602.193404][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8602.193404][ T10] ipv6_find_idev+0x102/0x170 [ 8602.193404][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8602.193404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8602.193404][ T10] netlink_rcv_skb+0x130/0x360 [ 8602.193404][ T10] netlink_unicast+0x449/0x710 [ 8602.193404][ T10] netlink_sendmsg+0x723/0xbe0 [ 8602.193404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8602.193404][ T10] ___sys_sendmsg+0xee/0x170 [ 8602.193404][ T10] __sys_sendmsg+0xcd/0x170 [ 8602.193404][ T10] do_syscall_64+0xc6/0x1e0 [ 8602.193404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8602.193404][ T10] [ 8602.194955][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8602.194955][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8602.194955][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8602.194955][ T10] ipv6_find_idev+0x102/0x170 [ 8602.194955][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8602.194955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8602.194955][ T10] netlink_rcv_skb+0x130/0x360 [ 8602.194955][ T10] netlink_unicast+0x449/0x710 [ 8602.194955][ T10] netlink_sendmsg+0x723/0xbe0 [ 8602.194955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8602.194955][ T10] ___sys_sendmsg+0xee/0x170 [ 8602.194955][ T10] __sys_sendmsg+0xcd/0x170 [ 8602.194955][ T10] do_syscall_64+0xc6/0x1e0 [ 8602.194955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8602.194955][ T10] [ 8602.196650][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8602.196889][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8602.196889][ T10] netdev_get_by_index+0x5e/0x80 [ 8602.196889][ T10] fib6_nh_init+0x3d8/0x1580 [ 8602.196889][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8602.196889][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8602.196889][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8602.196889][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8602.196889][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8602.196889][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8602.196889][ T10] addrconf_dad_begin+0x310/0x670 [ 8602.196889][ T10] addrconf_dad_work+0x10b/0xab0 [ 8602.196889][ T10] process_one_work+0x84d/0x18a0 [ 8602.196889][ T10] worker_thread+0x587/0xd30 [ 8602.196889][ T10] kthread+0x28a/0x350 [ 8602.196889][ T10] ret_from_fork+0x31/0x70 [ 8602.196889][ T10] ret_from_fork_asm+0x1a/0x30 [ 8602.196889][ T10] [ 8602.198817][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8602.198817][ T10] netdev_get_by_index+0x5e/0x80 [ 8602.198817][ T10] fib6_nh_init+0x3d8/0x1580 [ 8602.198817][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8602.198817][ T10] ip6_route_add+0x1c/0x140 [ 8602.198817][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8602.198817][ T10] inet6_addr_add+0x4f8/0xa40 [ 8602.198817][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8602.198817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8602.198817][ T10] netlink_rcv_skb+0x130/0x360 [ 8602.198817][ T10] netlink_unicast+0x449/0x710 [ 8602.198817][ T10] netlink_sendmsg+0x723/0xbe0 [ 8602.198817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8602.198817][ T10] ___sys_sendmsg+0xee/0x170 [ 8602.198817][ T10] __sys_sendmsg+0xcd/0x170 [ 8602.198817][ T10] do_syscall_64+0xc6/0x1e0 [ 8602.198817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8602.198817][ T10] [ 8602.200822][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8602.200822][ T10] netdev_get_by_index+0x5e/0x80 [ 8602.200822][ T10] fib6_nh_init+0x3d8/0x1580 [ 8602.200822][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8602.200822][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8602.200822][ T10] ipv6_add_addr+0x411/0x2000 [ 8602.200822][ T10] inet6_addr_add+0x30e/0xa40 [ 8602.200822][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8602.200822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8602.200822][ T10] netlink_rcv_skb+0x130/0x360 [ 8602.200822][ T10] netlink_unicast+0x449/0x710 [ 8602.200822][ T10] netlink_sendmsg+0x723/0xbe0 [ 8602.200822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8602.200822][ T10] ___sys_sendmsg+0xee/0x170 [ 8602.200822][ T10] __sys_sendmsg+0xcd/0x170 [ 8602.200822][ T10] do_syscall_64+0xc6/0x1e0 [ 8602.200822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8602.200822][ T10] [ 8602.202828][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8602.202828][ T10] netdev_get_by_index+0x5e/0x80 [ 8602.202828][ T10] fib6_nh_init+0x3d8/0x1580 [ 8602.202828][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8602.202828][ T10] ip6_route_add+0x1c/0x140 [ 8602.202828][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8602.202828][ T10] addrconf_add_dev+0xe2/0x170 [ 8602.202828][ T10] inet6_addr_add+0x12f/0xa40 [ 8602.202828][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8602.202828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8602.202828][ T10] netlink_rcv_skb+0x130/0x360 [ 8602.202828][ T10] netlink_unicast+0x449/0x710 [ 8602.202828][ T10] netlink_sendmsg+0x723/0xbe0 [ 8602.202828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8602.202828][ T10] ___sys_sendmsg+0xee/0x170 [ 8602.202828][ T10] __sys_sendmsg+0xcd/0x170 [ 8602.202828][ T10] do_syscall_64+0xc6/0x1e0 [ 8602.202828][ T10] [ 8602.204805][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8602.204805][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8602.204805][ T10] ipv6_find_idev+0x102/0x170 [ 8602.204805][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8602.204805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8602.204805][ T10] netlink_rcv_skb+0x130/0x360 [ 8602.204805][ T10] netlink_unicast+0x449/0x710 [ 8602.204805][ T10] netlink_sendmsg+0x723/0xbe0 [ 8602.204805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8602.204805][ T10] ___sys_sendmsg+0xee/0x170 [ 8602.204805][ T10] __sys_sendmsg+0xcd/0x170 [ 8602.204805][ T10] do_syscall_64+0xc6/0x1e0 [ 8602.204805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8602.204805][ T10] [ 8602.206352][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8602.206352][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8602.206352][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8602.206352][ T10] ipv6_find_idev+0x102/0x170 [ 8602.206352][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8602.206352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8602.206352][ T10] netlink_rcv_skb+0x130/0x360 [ 8602.206352][ T10] netlink_unicast+0x449/0x710 [ 8602.206352][ T10] netlink_sendmsg+0x723/0xbe0 [ 8602.206352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8602.206352][ T10] ___sys_sendmsg+0xee/0x170 [ 8602.206352][ T10] __sys_sendmsg+0xcd/0x170 [ 8602.206352][ T10] do_syscall_64+0xc6/0x1e0 [ 8602.206352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8602.206352][ T10] [ 8602.208050][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8602.208287][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8602.208287][ T10] netdev_get_by_index+0x5e/0x80 [ 8602.208287][ T10] fib6_nh_init+0x3d8/0x1580 [ 8602.208287][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8602.208287][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8602.208287][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8602.208287][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8602.208287][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8602.208287][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8602.208287][ T10] addrconf_dad_begin+0x310/0x670 [ 8602.208287][ T10] addrconf_dad_work+0x10b/0xab0 [ 8602.208287][ T10] process_one_work+0x84d/0x18a0 [ 8602.208287][ T10] worker_thread+0x587/0xd30 [ 8602.208287][ T10] kthread+0x28a/0x350 [ 8602.208287][ T10] ret_from_fork+0x31/0x70 [ 8602.208287][ T10] ret_from_fork_asm+0x1a/0x30 [ 8602.208287][ T10] [ 8602.210201][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8602.210201][ T10] netdev_get_by_index+0x5e/0x80 [ 8602.210201][ T10] fib6_nh_init+0x3d8/0x1580 [ 8602.210201][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8602.210201][ T10] ip6_route_add+0x1c/0x140 [ 8602.210201][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8602.210201][ T10] inet6_addr_add+0x4f8/0xa40 [ 8602.210201][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8602.210201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8602.210201][ T10] netlink_rcv_skb+0x130/0x360 [ 8602.210201][ T10] netlink_unicast+0x449/0x710 [ 8602.210201][ T10] netlink_sendmsg+0x723/0xbe0 [ 8602.210201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8602.210201][ T10] ___sys_sendmsg+0xee/0x170 [ 8602.210201][ T10] __sys_sendmsg+0xcd/0x170 [ 8602.210201][ T10] do_syscall_64+0xc6/0x1e0 [ 8602.210201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8602.210201][ T10] [ 8602.212403][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8602.212403][ T10] netdev_get_by_index+0x5e/0x80 [ 8602.212403][ T10] fib6_nh_init+0x3d8/0x1580 [ 8602.212403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8602.212403][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8602.212403][ T10] ipv6_add_addr+0x411/0x2000 [ 8602.212403][ T10] inet6_addr_add+0x30e/0xa40 [ 8602.212403][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8602.212403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8602.212403][ T10] netlink_rcv_skb+0x130/0x360 [ 8602.212403][ T10] netlink_unicast+0x449/0x710 [ 8602.212403][ T10] netlink_sendmsg+0x723/0xbe0 [ 8602.212403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8602.212403][ T10] ___sys_sendmsg+0xee/0x170 [ 8602.212403][ T10] __sys_sendmsg+0xcd/0x170 [ 8602.212403][ T10] do_syscall_64+0xc6/0x1e0 [ 8602.212403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8602.212403][ T10] [ 8602.214648][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8602.214648][ T10] netdev_get_by_index+0x5e/0x80 [ 8602.214648][ T10] fib6_nh_init+0x3d8/0x1580 [ 8602.214648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8602.214648][ T10] ip6_route_add+0x1c/0x140 [ 8602.214648][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8602.214648][ T10] addrconf_add_dev+0xe2/0x170 [ 8602.214648][ T10] inet6_addr_add+0x12f/0xa40 [ 8602.214648][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8602.214648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8602.214648][ T10] netlink_rcv_skb+0x130/0x360 [ 8602.214648][ T10] netlink_unicast+0x449/0x710 [ 8602.214648][ T10] netlink_sendmsg+0x723/0xbe0 [ 8602.214648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8602.214648][ T10] ___sys_sendmsg+0xee/0x170 [ 8602.214648][ T10] __sys_sendmsg+0xcd/0x170 [ 8602.214648][ T10] do_syscall_64+0xc6/0x1e0 [ 8602.214648][ T10] [ 8602.216793][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8602.216793][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8602.216793][ T10] ipv6_find_idev+0x102/0x170 [ 8602.216793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8602.216793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8602.216793][ T10] netlink_rcv_skb+0x130/0x360 [ 8602.216793][ T10] netlink_unicast+0x449/0x710 [ 8602.216793][ T10] netlink_sendmsg+0x723/0xbe0 [ 8602.216793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8602.216793][ T10] ___sys_sendmsg+0xee/0x170 [ 8602.216793][ T10] __sys_sendmsg+0xcd/0x170 [ 8602.216793][ T10] do_syscall_64+0xc6/0x1e0 [ 8602.216793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8602.216793][ T10] [ 8602.218536][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8602.218536][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8602.218536][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8602.218536][ T10] ipv6_find_idev+0x102/0x170 [ 8602.218536][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8602.218536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8602.218536][ T10] netlink_rcv_skb+0x130/0x360 [ 8602.218536][ T10] netlink_unicast+0x449/0x710 [ 8602.218536][ T10] netlink_sendmsg+0x723/0xbe0 [ 8602.218536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8602.218536][ T10] ___sys_sendmsg+0xee/0x170 [ 8602.218536][ T10] __sys_sendmsg+0xcd/0x170 [ 8602.218536][ T10] do_syscall_64+0xc6/0x1e0 [ 8602.218536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8602.218536][ T10] [ 8602.220524][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8602.220764][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8602.220764][ T10] netdev_get_by_index+0x5e/0x80 [ 8602.220764][ T10] fib6_nh_init+0x3d8/0x1580 [ 8602.220764][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8602.220764][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8602.220764][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8602.220764][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8602.220764][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8602.220764][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8602.220764][ T10] addrconf_dad_begin+0x310/0x670 [ 8602.220764][ T10] addrconf_dad_work+0x10b/0xab0 [ 8602.220764][ T10] process_one_work+0x84d/0x18a0 [ 8602.220764][ T10] worker_thread+0x587/0xd30 [ 8602.220764][ T10] kthread+0x28a/0x350 [ 8602.220764][ T10] ret_from_fork+0x31/0x70 [ 8602.220764][ T10] ret_from_fork_asm+0x1a/0x30 [ 8602.220764][ T10] [ 8602.222922][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8602.222922][ T10] netdev_get_by_index+0x5e/0x80 [ 8602.222922][ T10] fib6_nh_init+0x3d8/0x1580 [ 8602.222922][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8602.222922][ T10] ip6_route_add+0x1c/0x140 [ 8602.222922][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8602.222922][ T10] inet6_addr_add+0x4f8/0xa40 [ 8602.222922][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8602.222922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8602.222922][ T10] netlink_rcv_skb+0x130/0x360 [ 8602.222922][ T10] netlink_unicast+0x449/0x710 [ 8602.222922][ T10] netlink_sendmsg+0x723/0xbe0 [ 8602.222922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8602.222922][ T10] ___sys_sendmsg+0xee/0x170 [ 8602.222922][ T10] __sys_sendmsg+0xcd/0x170 [ 8602.222922][ T10] do_syscall_64+0xc6/0x1e0 [ 8602.222922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8602.222922][ T10] [ 8602.225106][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8602.225106][ T10] netdev_get_by_index+0x5e/0x80 [ 8602.225106][ T10] fib6_nh_init+0x3d8/0x1580 [ 8602.225106][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8602.225106][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8602.225106][ T10] ipv6_add_addr+0x411/0x2000 [ 8602.225106][ T10] inet6_addr_add+0x30e/0xa40 [ 8602.225106][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8602.225106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8602.225106][ T10] netlink_rcv_skb+0x130/0x360 [ 8602.225106][ T10] netlink_unicast+0x449/0x710 [ 8602.225106][ T10] netlink_sendmsg+0x723/0xbe0 [ 8602.225106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8602.225106][ T10] ___sys_sendmsg+0xee/0x170 [ 8602.225106][ T10] __sys_sendmsg+0xcd/0x170 [ 8602.225106][ T10] do_syscall_64+0xc6/0x1e0 [ 8602.225106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8602.225106][ T10] [ 8602.227349][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8602.227349][ T10] netdev_get_by_index+0x5e/0x80 [ 8602.227349][ T10] fib6_nh_init+0x3d8/0x1580 [ 8602.227349][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8602.227349][ T10] ip6_route_add+0x1c/0x140 [ 8602.227349][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8602.227349][ T10] addrconf_add_dev+0xe2/0x170 [ 8602.227349][ T10] inet6_addr_add+0x12f/0xa40 [ 8602.227349][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8602.227349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8602.227349][ T10] netlink_rcv_skb+0x130/0x360 [ 8602.227349][ T10] netlink_unicast+0x449/0x710 [ 8602.227349][ T10] netlink_sendmsg+0x723/0xbe0 [ 8602.227349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8602.227349][ T10] ___sys_sendmsg+0xee/0x170 [ 8602.227349][ T10] __sys_sendmsg+0xcd/0x170 [ 8602.227349][ T10] do_syscall_64+0xc6/0x1e0 [ 8602.227349][ T10] [ 8602.229639][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8602.229639][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8602.229639][ T10] ipv6_find_idev+0x102/0x170 [ 8602.229639][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8602.229639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8602.229639][ T10] netlink_rcv_skb+0x130/0x360 [ 8602.229639][ T10] netlink_unicast+0x449/0x710 [ 8602.229639][ T10] netlink_sendmsg+0x723/0xbe0 [ 8602.229639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8602.229639][ T10] ___sys_sendmsg+0xee/0x170 [ 8602.229639][ T10] __sys_sendmsg+0xcd/0x170 [ 8602.229639][ T10] do_syscall_64+0xc6/0x1e0 [ 8602.229639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8602.229639][ T10] [ 8602.231362][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8602.231362][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8602.231362][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8602.231362][ T10] ipv6_find_idev+0x102/0x170 [ 8602.231362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8602.231362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8602.231362][ T10] netlink_rcv_skb+0x130/0x360 [ 8602.231362][ T10] netlink_unicast+0x449/0x710 [ 8602.231362][ T10] netlink_sendmsg+0x723/0xbe0 [ 8602.231362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8602.231362][ T10] ___sys_sendmsg+0xee/0x170 [ 8602.231362][ T10] __sys_sendmsg+0xcd/0x170 [ 8602.231362][ T10] do_syscall_64+0xc6/0x1e0 [ 8602.231362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8602.231362][ T10] [ 8612.153131][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8612.153630][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8612.153630][ T1167] dst_init+0x84/0x4a0 [ 8612.153630][ T1167] dst_alloc+0x97/0x150 [ 8612.153630][ T1167] ip6_dst_alloc+0x23/0x90 [ 8612.153630][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8612.153630][ T1167] ip6_pol_route+0x56f/0x840 [ 8612.153630][ T1167] fib6_rule_lookup+0x334/0x630 [ 8612.153630][ T1167] ip6_route_output_flags+0x259/0x480 [ 8612.153630][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8612.153630][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8612.153630][ T1167] netlink_rcv_skb+0x130/0x360 [ 8612.153630][ T1167] netlink_unicast+0x449/0x710 [ 8612.153630][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8612.153630][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8612.153630][ T1167] ___sys_sendmsg+0xee/0x170 [ 8612.153630][ T1167] __sys_sendmsg+0xcd/0x170 [ 8612.153630][ T1167] do_syscall_64+0xc6/0x1e0 [ 8612.153630][ T1167] [ 8612.155845][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8612.155845][ T1167] netdev_get_by_index+0x5e/0x80 [ 8612.155845][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8612.155845][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8612.155845][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8612.155845][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8612.155845][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8612.155845][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8612.155845][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8612.155845][ T1167] addrconf_dad_begin+0x310/0x670 [ 8612.155845][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8612.155845][ T1167] process_one_work+0x84d/0x18a0 [ 8612.155845][ T1167] worker_thread+0x587/0xd30 [ 8612.155845][ T1167] kthread+0x28a/0x350 [ 8612.155845][ T1167] ret_from_fork+0x31/0x70 [ 8612.155845][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8612.155845][ T1167] [ 8612.158012][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8612.158012][ T1167] netdev_get_by_index+0x5e/0x80 [ 8612.158012][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8612.158012][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8612.158012][ T1167] ip6_route_add+0x1c/0x140 [ 8612.158012][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8612.158012][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8612.158012][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8612.158012][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8612.158012][ T1167] netlink_rcv_skb+0x130/0x360 [ 8612.158012][ T1167] netlink_unicast+0x449/0x710 [ 8612.158012][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8612.158012][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8612.158012][ T1167] ___sys_sendmsg+0xee/0x170 [ 8612.158012][ T1167] __sys_sendmsg+0xcd/0x170 [ 8612.158012][ T1167] do_syscall_64+0xc6/0x1e0 [ 8612.158012][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8612.158012][ T1167] [ 8612.160262][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8612.160262][ T1167] netdev_get_by_index+0x5e/0x80 [ 8612.160262][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8612.160262][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8612.160262][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8612.160262][ T1167] ipv6_add_addr+0x411/0x2000 [ 8612.160262][ T1167] inet6_addr_add+0x30e/0xa40 [ 8612.160262][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8612.160262][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8612.160262][ T1167] netlink_rcv_skb+0x130/0x360 [ 8612.160262][ T1167] netlink_unicast+0x449/0x710 [ 8612.160262][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8612.160262][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8612.160262][ T1167] ___sys_sendmsg+0xee/0x170 [ 8612.160262][ T1167] __sys_sendmsg+0xcd/0x170 [ 8612.160262][ T1167] do_syscall_64+0xc6/0x1e0 [ 8612.160262][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8612.160262][ T1167] [ 8612.162529][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8612.162529][ T1167] netdev_get_by_index+0x5e/0x80 [ 8612.162529][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8612.162529][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8612.162529][ T1167] ip6_route_add+0x1c/0x140 [ 8612.162529][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8612.162529][ T1167] addrconf_add_dev+0xe2/0x170 [ 8612.162529][ T1167] inet6_addr_add+0x12f/0xa40 [ 8612.162529][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8612.162529][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8612.162529][ T1167] netlink_rcv_skb+0x130/0x360 [ 8612.162529][ T1167] netlink_unicast+0x449/0x710 [ 8612.162529][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8612.162529][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8612.162529][ T1167] ___sys_sendmsg+0xee/0x170 [ 8612.162529][ T1167] __sys_sendmsg+0xcd/0x170 [ 8612.162529][ T1167] do_syscall_64+0xc6/0x1e0 [ 8612.162529][ T1167] [ 8612.164743][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8612.164743][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8612.164743][ T1167] ipv6_find_idev+0x102/0x170 [ 8612.164743][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8612.164743][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8612.164743][ T1167] netlink_rcv_skb+0x130/0x360 [ 8612.164743][ T1167] netlink_unicast+0x449/0x710 [ 8612.164743][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8612.164743][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8612.164743][ T1167] ___sys_sendmsg+0xee/0x170 [ 8612.164743][ T1167] __sys_sendmsg+0xcd/0x170 [ 8612.164743][ T1167] do_syscall_64+0xc6/0x1e0 [ 8612.164743][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8612.164743][ T1167] [ 8612.166486][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8612.166486][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8612.166486][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8612.166486][ T1167] ipv6_find_idev+0x102/0x170 [ 8612.166486][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8612.166486][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8612.166486][ T1167] netlink_rcv_skb+0x130/0x360 [ 8612.166486][ T1167] netlink_unicast+0x449/0x710 [ 8612.166486][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8612.166486][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8612.166486][ T1167] ___sys_sendmsg+0xee/0x170 [ 8612.166486][ T1167] __sys_sendmsg+0xcd/0x170 [ 8612.166486][ T1167] do_syscall_64+0xc6/0x1e0 [ 8612.166486][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8612.166486][ T1167] [ 8612.473111][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8612.473427][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8612.473427][ T10] netdev_get_by_index+0x5e/0x80 [ 8612.473427][ T10] fib6_nh_init+0x3d8/0x1580 [ 8612.473427][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8612.473427][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8612.473427][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8612.473427][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8612.473427][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8612.473427][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8612.473427][ T10] addrconf_dad_begin+0x310/0x670 [ 8612.473427][ T10] addrconf_dad_work+0x10b/0xab0 [ 8612.473427][ T10] process_one_work+0x84d/0x18a0 [ 8612.473427][ T10] worker_thread+0x587/0xd30 [ 8612.473427][ T10] kthread+0x28a/0x350 [ 8612.473427][ T10] ret_from_fork+0x31/0x70 [ 8612.473427][ T10] ret_from_fork_asm+0x1a/0x30 [ 8612.473427][ T10] [ 8612.475359][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8612.475359][ T10] netdev_get_by_index+0x5e/0x80 [ 8612.475359][ T10] fib6_nh_init+0x3d8/0x1580 [ 8612.475359][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8612.475359][ T10] ip6_route_add+0x1c/0x140 [ 8612.475359][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8612.475359][ T10] inet6_addr_add+0x4f8/0xa40 [ 8612.475359][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8612.475359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8612.475359][ T10] netlink_rcv_skb+0x130/0x360 [ 8612.475359][ T10] netlink_unicast+0x449/0x710 [ 8612.475359][ T10] netlink_sendmsg+0x723/0xbe0 [ 8612.475359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8612.475359][ T10] ___sys_sendmsg+0xee/0x170 [ 8612.475359][ T10] __sys_sendmsg+0xcd/0x170 [ 8612.475359][ T10] do_syscall_64+0xc6/0x1e0 [ 8612.475359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8612.475359][ T10] [ 8612.477366][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8612.477366][ T10] netdev_get_by_index+0x5e/0x80 [ 8612.477366][ T10] fib6_nh_init+0x3d8/0x1580 [ 8612.477366][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8612.477366][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8612.477366][ T10] ipv6_add_addr+0x411/0x2000 [ 8612.477366][ T10] inet6_addr_add+0x30e/0xa40 [ 8612.477366][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8612.477366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8612.477366][ T10] netlink_rcv_skb+0x130/0x360 [ 8612.477366][ T10] netlink_unicast+0x449/0x710 [ 8612.477366][ T10] netlink_sendmsg+0x723/0xbe0 [ 8612.477366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8612.477366][ T10] ___sys_sendmsg+0xee/0x170 [ 8612.477366][ T10] __sys_sendmsg+0xcd/0x170 [ 8612.477366][ T10] do_syscall_64+0xc6/0x1e0 [ 8612.477366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8612.477366][ T10] [ 8612.479406][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8612.479406][ T10] netdev_get_by_index+0x5e/0x80 [ 8612.479406][ T10] fib6_nh_init+0x3d8/0x1580 [ 8612.479406][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8612.479406][ T10] ip6_route_add+0x1c/0x140 [ 8612.479406][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8612.479406][ T10] addrconf_add_dev+0xe2/0x170 [ 8612.479406][ T10] inet6_addr_add+0x12f/0xa40 [ 8612.479406][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8612.479406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8612.479406][ T10] netlink_rcv_skb+0x130/0x360 [ 8612.479406][ T10] netlink_unicast+0x449/0x710 [ 8612.479406][ T10] netlink_sendmsg+0x723/0xbe0 [ 8612.479406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8612.479406][ T10] ___sys_sendmsg+0xee/0x170 [ 8612.479406][ T10] __sys_sendmsg+0xcd/0x170 [ 8612.479406][ T10] do_syscall_64+0xc6/0x1e0 [ 8612.479406][ T10] [ 8612.481934][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8612.481934][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8612.481934][ T10] ipv6_find_idev+0x102/0x170 [ 8612.481934][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8612.481934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8612.481934][ T10] netlink_rcv_skb+0x130/0x360 [ 8612.481934][ T10] netlink_unicast+0x449/0x710 [ 8612.481934][ T10] netlink_sendmsg+0x723/0xbe0 [ 8612.481934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8612.481934][ T10] ___sys_sendmsg+0xee/0x170 [ 8612.481934][ T10] __sys_sendmsg+0xcd/0x170 [ 8612.481934][ T10] do_syscall_64+0xc6/0x1e0 [ 8612.481934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8612.481934][ T10] [ 8612.483502][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8612.483502][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8612.483502][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8612.483502][ T10] ipv6_find_idev+0x102/0x170 [ 8612.483502][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8612.483502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8612.483502][ T10] netlink_rcv_skb+0x130/0x360 [ 8612.483502][ T10] netlink_unicast+0x449/0x710 [ 8612.483502][ T10] netlink_sendmsg+0x723/0xbe0 [ 8612.483502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8612.483502][ T10] ___sys_sendmsg+0xee/0x170 [ 8612.483502][ T10] __sys_sendmsg+0xcd/0x170 [ 8612.483502][ T10] do_syscall_64+0xc6/0x1e0 [ 8612.483502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8612.483502][ T10] [ 8612.485224][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8612.485465][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8612.485465][ T10] netdev_get_by_index+0x5e/0x80 [ 8612.485465][ T10] fib6_nh_init+0x3d8/0x1580 [ 8612.485465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8612.485465][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8612.485465][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8612.485465][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8612.485465][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8612.485465][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8612.485465][ T10] addrconf_dad_begin+0x310/0x670 [ 8612.485465][ T10] addrconf_dad_work+0x10b/0xab0 [ 8612.485465][ T10] process_one_work+0x84d/0x18a0 [ 8612.485465][ T10] worker_thread+0x587/0xd30 [ 8612.485465][ T10] kthread+0x28a/0x350 [ 8612.485465][ T10] ret_from_fork+0x31/0x70 [ 8612.485465][ T10] ret_from_fork_asm+0x1a/0x30 [ 8612.485465][ T10] [ 8612.487416][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8612.487416][ T10] netdev_get_by_index+0x5e/0x80 [ 8612.487416][ T10] fib6_nh_init+0x3d8/0x1580 [ 8612.487416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8612.487416][ T10] ip6_route_add+0x1c/0x140 [ 8612.487416][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8612.487416][ T10] inet6_addr_add+0x4f8/0xa40 [ 8612.487416][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8612.487416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8612.487416][ T10] netlink_rcv_skb+0x130/0x360 [ 8612.487416][ T10] netlink_unicast+0x449/0x710 [ 8612.487416][ T10] netlink_sendmsg+0x723/0xbe0 [ 8612.487416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8612.487416][ T10] ___sys_sendmsg+0xee/0x170 [ 8612.487416][ T10] __sys_sendmsg+0xcd/0x170 [ 8612.487416][ T10] do_syscall_64+0xc6/0x1e0 [ 8612.487416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8612.487416][ T10] [ 8612.489468][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8612.489468][ T10] netdev_get_by_index+0x5e/0x80 [ 8612.489468][ T10] fib6_nh_init+0x3d8/0x1580 [ 8612.489468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8612.489468][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8612.489468][ T10] ipv6_add_addr+0x411/0x2000 [ 8612.489468][ T10] inet6_addr_add+0x30e/0xa40 [ 8612.489468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8612.489468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8612.489468][ T10] netlink_rcv_skb+0x130/0x360 [ 8612.489468][ T10] netlink_unicast+0x449/0x710 [ 8612.489468][ T10] netlink_sendmsg+0x723/0xbe0 [ 8612.489468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8612.489468][ T10] ___sys_sendmsg+0xee/0x170 [ 8612.489468][ T10] __sys_sendmsg+0xcd/0x170 [ 8612.489468][ T10] do_syscall_64+0xc6/0x1e0 [ 8612.489468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8612.489468][ T10] [ 8612.491510][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8612.491510][ T10] netdev_get_by_index+0x5e/0x80 [ 8612.491510][ T10] fib6_nh_init+0x3d8/0x1580 [ 8612.491510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8612.491510][ T10] ip6_route_add+0x1c/0x140 [ 8612.491510][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8612.491510][ T10] addrconf_add_dev+0xe2/0x170 [ 8612.491510][ T10] inet6_addr_add+0x12f/0xa40 [ 8612.491510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8612.491510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8612.491510][ T10] netlink_rcv_skb+0x130/0x360 [ 8612.491510][ T10] netlink_unicast+0x449/0x710 [ 8612.491510][ T10] netlink_sendmsg+0x723/0xbe0 [ 8612.491510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8612.491510][ T10] ___sys_sendmsg+0xee/0x170 [ 8612.491510][ T10] __sys_sendmsg+0xcd/0x170 [ 8612.491510][ T10] do_syscall_64+0xc6/0x1e0 [ 8612.491510][ T10] [ 8612.493492][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8612.493492][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8612.493492][ T10] ipv6_find_idev+0x102/0x170 [ 8612.493492][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8612.493492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8612.493492][ T10] netlink_rcv_skb+0x130/0x360 [ 8612.493492][ T10] netlink_unicast+0x449/0x710 [ 8612.493492][ T10] netlink_sendmsg+0x723/0xbe0 [ 8612.493492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8612.493492][ T10] ___sys_sendmsg+0xee/0x170 [ 8612.493492][ T10] __sys_sendmsg+0xcd/0x170 [ 8612.493492][ T10] do_syscall_64+0xc6/0x1e0 [ 8612.493492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8612.493492][ T10] [ 8612.495039][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8612.495039][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8612.495039][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8612.495039][ T10] ipv6_find_idev+0x102/0x170 [ 8612.495039][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8612.495039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8612.495039][ T10] netlink_rcv_skb+0x130/0x360 [ 8612.495039][ T10] netlink_unicast+0x449/0x710 [ 8612.495039][ T10] netlink_sendmsg+0x723/0xbe0 [ 8612.495039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8612.495039][ T10] ___sys_sendmsg+0xee/0x170 [ 8612.495039][ T10] __sys_sendmsg+0xcd/0x170 [ 8612.495039][ T10] do_syscall_64+0xc6/0x1e0 [ 8612.495039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8612.495039][ T10] [ 8612.496738][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8612.496987][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8612.496987][ T10] netdev_get_by_index+0x5e/0x80 [ 8612.496987][ T10] fib6_nh_init+0x3d8/0x1580 [ 8612.496987][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8612.496987][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8612.496987][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8612.496987][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8612.496987][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8612.496987][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8612.496987][ T10] addrconf_dad_begin+0x310/0x670 [ 8612.496987][ T10] addrconf_dad_work+0x10b/0xab0 [ 8612.496987][ T10] process_one_work+0x84d/0x18a0 [ 8612.496987][ T10] worker_thread+0x587/0xd30 [ 8612.496987][ T10] kthread+0x28a/0x350 [ 8612.496987][ T10] ret_from_fork+0x31/0x70 [ 8612.496987][ T10] ret_from_fork_asm+0x1a/0x30 [ 8612.496987][ T10] [ 8612.498911][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8612.498911][ T10] netdev_get_by_index+0x5e/0x80 [ 8612.498911][ T10] fib6_nh_init+0x3d8/0x1580 [ 8612.498911][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8612.498911][ T10] ip6_route_add+0x1c/0x140 [ 8612.498911][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8612.498911][ T10] inet6_addr_add+0x4f8/0xa40 [ 8612.498911][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8612.498911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8612.498911][ T10] netlink_rcv_skb+0x130/0x360 [ 8612.498911][ T10] netlink_unicast+0x449/0x710 [ 8612.498911][ T10] netlink_sendmsg+0x723/0xbe0 [ 8612.498911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8612.498911][ T10] ___sys_sendmsg+0xee/0x170 [ 8612.498911][ T10] __sys_sendmsg+0xcd/0x170 [ 8612.498911][ T10] do_syscall_64+0xc6/0x1e0 [ 8612.498911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8612.498911][ T10] [ 8612.501104][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8612.501104][ T10] netdev_get_by_index+0x5e/0x80 [ 8612.501104][ T10] fib6_nh_init+0x3d8/0x1580 [ 8612.501104][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8612.501104][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8612.501104][ T10] ipv6_add_addr+0x411/0x2000 [ 8612.501104][ T10] inet6_addr_add+0x30e/0xa40 [ 8612.501104][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8612.501104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8612.501104][ T10] netlink_rcv_skb+0x130/0x360 [ 8612.501104][ T10] netlink_unicast+0x449/0x710 [ 8612.501104][ T10] netlink_sendmsg+0x723/0xbe0 [ 8612.501104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8612.501104][ T10] ___sys_sendmsg+0xee/0x170 [ 8612.501104][ T10] __sys_sendmsg+0xcd/0x170 [ 8612.501104][ T10] do_syscall_64+0xc6/0x1e0 [ 8612.501104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8612.501104][ T10] [ 8612.503414][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8612.503414][ T10] netdev_get_by_index+0x5e/0x80 [ 8612.503414][ T10] fib6_nh_init+0x3d8/0x1580 [ 8612.503414][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8612.503414][ T10] ip6_route_add+0x1c/0x140 [ 8612.503414][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8612.503414][ T10] addrconf_add_dev+0xe2/0x170 [ 8612.503414][ T10] inet6_addr_add+0x12f/0xa40 [ 8612.503414][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8612.503414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8612.503414][ T10] netlink_rcv_skb+0x130/0x360 [ 8612.503414][ T10] netlink_unicast+0x449/0x710 [ 8612.503414][ T10] netlink_sendmsg+0x723/0xbe0 [ 8612.503414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8612.503414][ T10] ___sys_sendmsg+0xee/0x170 [ 8612.503414][ T10] __sys_sendmsg+0xcd/0x170 [ 8612.503414][ T10] do_syscall_64+0xc6/0x1e0 [ 8612.503414][ T10] [ 8612.505597][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8612.505597][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8612.505597][ T10] ipv6_find_idev+0x102/0x170 [ 8612.505597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8612.505597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8612.505597][ T10] netlink_rcv_skb+0x130/0x360 [ 8612.505597][ T10] netlink_unicast+0x449/0x710 [ 8612.505597][ T10] netlink_sendmsg+0x723/0xbe0 [ 8612.505597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8612.505597][ T10] ___sys_sendmsg+0xee/0x170 [ 8612.505597][ T10] __sys_sendmsg+0xcd/0x170 [ 8612.505597][ T10] do_syscall_64+0xc6/0x1e0 [ 8612.505597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8612.505597][ T10] [ 8612.507369][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8612.507369][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8612.507369][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8612.507369][ T10] ipv6_find_idev+0x102/0x170 [ 8612.507369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8612.507369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8612.507369][ T10] netlink_rcv_skb+0x130/0x360 [ 8612.507369][ T10] netlink_unicast+0x449/0x710 [ 8612.507369][ T10] netlink_sendmsg+0x723/0xbe0 [ 8612.507369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8612.507369][ T10] ___sys_sendmsg+0xee/0x170 [ 8612.507369][ T10] __sys_sendmsg+0xcd/0x170 [ 8612.507369][ T10] do_syscall_64+0xc6/0x1e0 [ 8612.507369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8612.507369][ T10] [ 8612.509337][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8612.509578][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8612.509578][ T10] netdev_get_by_index+0x5e/0x80 [ 8612.509578][ T10] fib6_nh_init+0x3d8/0x1580 [ 8612.509578][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8612.509578][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8612.509578][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8612.509578][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8612.509578][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8612.509578][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8612.509578][ T10] addrconf_dad_begin+0x310/0x670 [ 8612.509578][ T10] addrconf_dad_work+0x10b/0xab0 [ 8612.509578][ T10] process_one_work+0x84d/0x18a0 [ 8612.509578][ T10] worker_thread+0x587/0xd30 [ 8612.509578][ T10] kthread+0x28a/0x350 [ 8612.509578][ T10] ret_from_fork+0x31/0x70 [ 8612.509578][ T10] ret_from_fork_asm+0x1a/0x30 [ 8612.509578][ T10] [ 8612.511793][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8612.511793][ T10] netdev_get_by_index+0x5e/0x80 [ 8612.511793][ T10] fib6_nh_init+0x3d8/0x1580 [ 8612.511793][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8612.511793][ T10] ip6_route_add+0x1c/0x140 [ 8612.511793][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8612.511793][ T10] inet6_addr_add+0x4f8/0xa40 [ 8612.511793][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8612.511793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8612.511793][ T10] netlink_rcv_skb+0x130/0x360 [ 8612.511793][ T10] netlink_unicast+0x449/0x710 [ 8612.511793][ T10] netlink_sendmsg+0x723/0xbe0 [ 8612.511793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8612.511793][ T10] ___sys_sendmsg+0xee/0x170 [ 8612.511793][ T10] __sys_sendmsg+0xcd/0x170 [ 8612.511793][ T10] do_syscall_64+0xc6/0x1e0 [ 8612.511793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8612.511793][ T10] [ 8612.513968][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8612.513968][ T10] netdev_get_by_index+0x5e/0x80 [ 8612.513968][ T10] fib6_nh_init+0x3d8/0x1580 [ 8612.513968][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8612.513968][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8612.513968][ T10] ipv6_add_addr+0x411/0x2000 [ 8612.513968][ T10] inet6_addr_add+0x30e/0xa40 [ 8612.513968][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8612.513968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8612.513968][ T10] netlink_rcv_skb+0x130/0x360 [ 8612.513968][ T10] netlink_unicast+0x449/0x710 [ 8612.513968][ T10] netlink_sendmsg+0x723/0xbe0 [ 8612.513968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8612.513968][ T10] ___sys_sendmsg+0xee/0x170 [ 8612.513968][ T10] __sys_sendmsg+0xcd/0x170 [ 8612.513968][ T10] do_syscall_64+0xc6/0x1e0 [ 8612.513968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8612.513968][ T10] [ 8612.516212][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8612.516212][ T10] netdev_get_by_index+0x5e/0x80 [ 8612.516212][ T10] fib6_nh_init+0x3d8/0x1580 [ 8612.516212][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8612.516212][ T10] ip6_route_add+0x1c/0x140 [ 8612.516212][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8612.516212][ T10] addrconf_add_dev+0xe2/0x170 [ 8612.516212][ T10] inet6_addr_add+0x12f/0xa40 [ 8612.516212][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8612.516212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8612.516212][ T10] netlink_rcv_skb+0x130/0x360 [ 8612.516212][ T10] netlink_unicast+0x449/0x710 [ 8612.516212][ T10] netlink_sendmsg+0x723/0xbe0 [ 8612.516212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8612.516212][ T10] ___sys_sendmsg+0xee/0x170 [ 8612.516212][ T10] __sys_sendmsg+0xcd/0x170 [ 8612.516212][ T10] do_syscall_64+0xc6/0x1e0 [ 8612.516212][ T10] [ 8612.518442][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8612.518442][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8612.518442][ T10] ipv6_find_idev+0x102/0x170 [ 8612.518442][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8612.518442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8612.518442][ T10] netlink_rcv_skb+0x130/0x360 [ 8612.518442][ T10] netlink_unicast+0x449/0x710 [ 8612.518442][ T10] netlink_sendmsg+0x723/0xbe0 [ 8612.518442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8612.518442][ T10] ___sys_sendmsg+0xee/0x170 [ 8612.518442][ T10] __sys_sendmsg+0xcd/0x170 [ 8612.518442][ T10] do_syscall_64+0xc6/0x1e0 [ 8612.518442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8612.518442][ T10] [ 8612.520168][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8612.520168][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8612.520168][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8612.520168][ T10] ipv6_find_idev+0x102/0x170 [ 8612.520168][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8612.520168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8612.520168][ T10] netlink_rcv_skb+0x130/0x360 [ 8612.520168][ T10] netlink_unicast+0x449/0x710 [ 8612.520168][ T10] netlink_sendmsg+0x723/0xbe0 [ 8612.520168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8612.520168][ T10] ___sys_sendmsg+0xee/0x170 [ 8612.520168][ T10] __sys_sendmsg+0xcd/0x170 [ 8612.520168][ T10] do_syscall_64+0xc6/0x1e0 [ 8612.520168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8612.520168][ T10] [ 8622.177135][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8622.177560][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8622.177560][ T1167] dst_init+0x84/0x4a0 [ 8622.177560][ T1167] dst_alloc+0x97/0x150 [ 8622.177560][ T1167] ip6_dst_alloc+0x23/0x90 [ 8622.177560][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8622.177560][ T1167] ip6_pol_route+0x56f/0x840 [ 8622.177560][ T1167] fib6_rule_lookup+0x334/0x630 [ 8622.177560][ T1167] ip6_route_output_flags+0x259/0x480 [ 8622.177560][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8622.177560][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8622.177560][ T1167] netlink_rcv_skb+0x130/0x360 [ 8622.177560][ T1167] netlink_unicast+0x449/0x710 [ 8622.177560][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8622.177560][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8622.177560][ T1167] ___sys_sendmsg+0xee/0x170 [ 8622.177560][ T1167] __sys_sendmsg+0xcd/0x170 [ 8622.177560][ T1167] do_syscall_64+0xc6/0x1e0 [ 8622.177560][ T1167] [ 8622.179751][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8622.179751][ T1167] netdev_get_by_index+0x5e/0x80 [ 8622.179751][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8622.179751][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8622.179751][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8622.179751][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8622.179751][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8622.179751][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8622.179751][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8622.179751][ T1167] addrconf_dad_begin+0x310/0x670 [ 8622.179751][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8622.179751][ T1167] process_one_work+0x84d/0x18a0 [ 8622.179751][ T1167] worker_thread+0x587/0xd30 [ 8622.179751][ T1167] kthread+0x28a/0x350 [ 8622.179751][ T1167] ret_from_fork+0x31/0x70 [ 8622.179751][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8622.179751][ T1167] [ 8622.181878][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8622.181878][ T1167] netdev_get_by_index+0x5e/0x80 [ 8622.181878][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8622.181878][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8622.181878][ T1167] ip6_route_add+0x1c/0x140 [ 8622.181878][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8622.181878][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8622.181878][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8622.181878][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8622.181878][ T1167] netlink_rcv_skb+0x130/0x360 [ 8622.181878][ T1167] netlink_unicast+0x449/0x710 [ 8622.181878][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8622.181878][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8622.181878][ T1167] ___sys_sendmsg+0xee/0x170 [ 8622.181878][ T1167] __sys_sendmsg+0xcd/0x170 [ 8622.181878][ T1167] do_syscall_64+0xc6/0x1e0 [ 8622.181878][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8622.181878][ T1167] [ 8622.184103][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8622.184103][ T1167] netdev_get_by_index+0x5e/0x80 [ 8622.184103][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8622.184103][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8622.184103][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8622.184103][ T1167] ipv6_add_addr+0x411/0x2000 [ 8622.184103][ T1167] inet6_addr_add+0x30e/0xa40 [ 8622.184103][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8622.184103][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8622.184103][ T1167] netlink_rcv_skb+0x130/0x360 [ 8622.184103][ T1167] netlink_unicast+0x449/0x710 [ 8622.184103][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8622.184103][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8622.184103][ T1167] ___sys_sendmsg+0xee/0x170 [ 8622.184103][ T1167] __sys_sendmsg+0xcd/0x170 [ 8622.184103][ T1167] do_syscall_64+0xc6/0x1e0 [ 8622.184103][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8622.184103][ T1167] [ 8622.186333][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8622.186333][ T1167] netdev_get_by_index+0x5e/0x80 [ 8622.186333][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8622.186333][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8622.186333][ T1167] ip6_route_add+0x1c/0x140 [ 8622.186333][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8622.186333][ T1167] addrconf_add_dev+0xe2/0x170 [ 8622.186333][ T1167] inet6_addr_add+0x12f/0xa40 [ 8622.186333][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8622.186333][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8622.186333][ T1167] netlink_rcv_skb+0x130/0x360 [ 8622.186333][ T1167] netlink_unicast+0x449/0x710 [ 8622.186333][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8622.186333][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8622.186333][ T1167] ___sys_sendmsg+0xee/0x170 [ 8622.186333][ T1167] __sys_sendmsg+0xcd/0x170 [ 8622.186333][ T1167] do_syscall_64+0xc6/0x1e0 [ 8622.186333][ T1167] [ 8622.188530][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8622.188530][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8622.188530][ T1167] ipv6_find_idev+0x102/0x170 [ 8622.188530][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8622.188530][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8622.188530][ T1167] netlink_rcv_skb+0x130/0x360 [ 8622.188530][ T1167] netlink_unicast+0x449/0x710 [ 8622.188530][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8622.188530][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8622.188530][ T1167] ___sys_sendmsg+0xee/0x170 [ 8622.188530][ T1167] __sys_sendmsg+0xcd/0x170 [ 8622.188530][ T1167] do_syscall_64+0xc6/0x1e0 [ 8622.188530][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8622.188530][ T1167] [ 8622.190250][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8622.190250][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8622.190250][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8622.190250][ T1167] ipv6_find_idev+0x102/0x170 [ 8622.190250][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8622.190250][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8622.190250][ T1167] netlink_rcv_skb+0x130/0x360 [ 8622.190250][ T1167] netlink_unicast+0x449/0x710 [ 8622.190250][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8622.190250][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8622.190250][ T1167] ___sys_sendmsg+0xee/0x170 [ 8622.190250][ T1167] __sys_sendmsg+0xcd/0x170 [ 8622.190250][ T1167] do_syscall_64+0xc6/0x1e0 [ 8622.190250][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8622.190250][ T1167] [ 8622.689101][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8622.689436][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8622.689436][ T10] netdev_get_by_index+0x5e/0x80 [ 8622.689436][ T10] fib6_nh_init+0x3d8/0x1580 [ 8622.689436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8622.689436][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8622.689436][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8622.689436][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8622.689436][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8622.689436][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8622.689436][ T10] addrconf_dad_begin+0x310/0x670 [ 8622.689436][ T10] addrconf_dad_work+0x10b/0xab0 [ 8622.689436][ T10] process_one_work+0x84d/0x18a0 [ 8622.689436][ T10] worker_thread+0x587/0xd30 [ 8622.689436][ T10] kthread+0x28a/0x350 [ 8622.689436][ T10] ret_from_fork+0x31/0x70 [ 8622.689436][ T10] ret_from_fork_asm+0x1a/0x30 [ 8622.689436][ T10] [ 8622.691376][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8622.691376][ T10] netdev_get_by_index+0x5e/0x80 [ 8622.691376][ T10] fib6_nh_init+0x3d8/0x1580 [ 8622.691376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8622.691376][ T10] ip6_route_add+0x1c/0x140 [ 8622.691376][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8622.691376][ T10] inet6_addr_add+0x4f8/0xa40 [ 8622.691376][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8622.691376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8622.691376][ T10] netlink_rcv_skb+0x130/0x360 [ 8622.691376][ T10] netlink_unicast+0x449/0x710 [ 8622.691376][ T10] netlink_sendmsg+0x723/0xbe0 [ 8622.691376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8622.691376][ T10] ___sys_sendmsg+0xee/0x170 [ 8622.691376][ T10] __sys_sendmsg+0xcd/0x170 [ 8622.691376][ T10] do_syscall_64+0xc6/0x1e0 [ 8622.691376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8622.691376][ T10] [ 8622.693383][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8622.693383][ T10] netdev_get_by_index+0x5e/0x80 [ 8622.693383][ T10] fib6_nh_init+0x3d8/0x1580 [ 8622.693383][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8622.693383][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8622.693383][ T10] ipv6_add_addr+0x411/0x2000 [ 8622.693383][ T10] inet6_addr_add+0x30e/0xa40 [ 8622.693383][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8622.693383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8622.693383][ T10] netlink_rcv_skb+0x130/0x360 [ 8622.693383][ T10] netlink_unicast+0x449/0x710 [ 8622.693383][ T10] netlink_sendmsg+0x723/0xbe0 [ 8622.693383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8622.693383][ T10] ___sys_sendmsg+0xee/0x170 [ 8622.693383][ T10] __sys_sendmsg+0xcd/0x170 [ 8622.693383][ T10] do_syscall_64+0xc6/0x1e0 [ 8622.693383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8622.693383][ T10] [ 8622.695387][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8622.695387][ T10] netdev_get_by_index+0x5e/0x80 [ 8622.695387][ T10] fib6_nh_init+0x3d8/0x1580 [ 8622.695387][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8622.695387][ T10] ip6_route_add+0x1c/0x140 [ 8622.695387][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8622.695387][ T10] addrconf_add_dev+0xe2/0x170 [ 8622.695387][ T10] inet6_addr_add+0x12f/0xa40 [ 8622.695387][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8622.695387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8622.695387][ T10] netlink_rcv_skb+0x130/0x360 [ 8622.695387][ T10] netlink_unicast+0x449/0x710 [ 8622.695387][ T10] netlink_sendmsg+0x723/0xbe0 [ 8622.695387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8622.695387][ T10] ___sys_sendmsg+0xee/0x170 [ 8622.695387][ T10] __sys_sendmsg+0xcd/0x170 [ 8622.695387][ T10] do_syscall_64+0xc6/0x1e0 [ 8622.695387][ T10] [ 8622.697466][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8622.697466][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8622.697466][ T10] ipv6_find_idev+0x102/0x170 [ 8622.697466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8622.697466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8622.697466][ T10] netlink_rcv_skb+0x130/0x360 [ 8622.697466][ T10] netlink_unicast+0x449/0x710 [ 8622.697466][ T10] netlink_sendmsg+0x723/0xbe0 [ 8622.697466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8622.697466][ T10] ___sys_sendmsg+0xee/0x170 [ 8622.697466][ T10] __sys_sendmsg+0xcd/0x170 [ 8622.697466][ T10] do_syscall_64+0xc6/0x1e0 [ 8622.697466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8622.697466][ T10] [ 8622.699055][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8622.699055][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8622.699055][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8622.699055][ T10] ipv6_find_idev+0x102/0x170 [ 8622.699055][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8622.699055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8622.699055][ T10] netlink_rcv_skb+0x130/0x360 [ 8622.699055][ T10] netlink_unicast+0x449/0x710 [ 8622.699055][ T10] netlink_sendmsg+0x723/0xbe0 [ 8622.699055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8622.699055][ T10] ___sys_sendmsg+0xee/0x170 [ 8622.699055][ T10] __sys_sendmsg+0xcd/0x170 [ 8622.699055][ T10] do_syscall_64+0xc6/0x1e0 [ 8622.699055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8622.699055][ T10] [ 8622.700774][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8622.701023][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8622.701023][ T10] netdev_get_by_index+0x5e/0x80 [ 8622.701023][ T10] fib6_nh_init+0x3d8/0x1580 [ 8622.701023][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8622.701023][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8622.701023][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8622.701023][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8622.701023][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8622.701023][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8622.701023][ T10] addrconf_dad_begin+0x310/0x670 [ 8622.701023][ T10] addrconf_dad_work+0x10b/0xab0 [ 8622.701023][ T10] process_one_work+0x84d/0x18a0 [ 8622.701023][ T10] worker_thread+0x587/0xd30 [ 8622.701023][ T10] kthread+0x28a/0x350 [ 8622.701023][ T10] ret_from_fork+0x31/0x70 [ 8622.701023][ T10] ret_from_fork_asm+0x1a/0x30 [ 8622.701023][ T10] [ 8622.702972][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8622.702972][ T10] netdev_get_by_index+0x5e/0x80 [ 8622.702972][ T10] fib6_nh_init+0x3d8/0x1580 [ 8622.702972][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8622.702972][ T10] ip6_route_add+0x1c/0x140 [ 8622.702972][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8622.702972][ T10] inet6_addr_add+0x4f8/0xa40 [ 8622.702972][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8622.702972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8622.702972][ T10] netlink_rcv_skb+0x130/0x360 [ 8622.702972][ T10] netlink_unicast+0x449/0x710 [ 8622.702972][ T10] netlink_sendmsg+0x723/0xbe0 [ 8622.702972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8622.702972][ T10] ___sys_sendmsg+0xee/0x170 [ 8622.702972][ T10] __sys_sendmsg+0xcd/0x170 [ 8622.702972][ T10] do_syscall_64+0xc6/0x1e0 [ 8622.702972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8622.702972][ T10] [ 8622.705011][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8622.705011][ T10] netdev_get_by_index+0x5e/0x80 [ 8622.705011][ T10] fib6_nh_init+0x3d8/0x1580 [ 8622.705011][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8622.705011][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8622.705011][ T10] ipv6_add_addr+0x411/0x2000 [ 8622.705011][ T10] inet6_addr_add+0x30e/0xa40 [ 8622.705011][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8622.705011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8622.705011][ T10] netlink_rcv_skb+0x130/0x360 [ 8622.705011][ T10] netlink_unicast+0x449/0x710 [ 8622.705011][ T10] netlink_sendmsg+0x723/0xbe0 [ 8622.705011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8622.705011][ T10] ___sys_sendmsg+0xee/0x170 [ 8622.705011][ T10] __sys_sendmsg+0xcd/0x170 [ 8622.705011][ T10] do_syscall_64+0xc6/0x1e0 [ 8622.705011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8622.705011][ T10] [ 8622.707061][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8622.707061][ T10] netdev_get_by_index+0x5e/0x80 [ 8622.707061][ T10] fib6_nh_init+0x3d8/0x1580 [ 8622.707061][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8622.707061][ T10] ip6_route_add+0x1c/0x140 [ 8622.707061][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8622.707061][ T10] addrconf_add_dev+0xe2/0x170 [ 8622.707061][ T10] inet6_addr_add+0x12f/0xa40 [ 8622.707061][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8622.707061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8622.707061][ T10] netlink_rcv_skb+0x130/0x360 [ 8622.707061][ T10] netlink_unicast+0x449/0x710 [ 8622.707061][ T10] netlink_sendmsg+0x723/0xbe0 [ 8622.707061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8622.707061][ T10] ___sys_sendmsg+0xee/0x170 [ 8622.707061][ T10] __sys_sendmsg+0xcd/0x170 [ 8622.707061][ T10] do_syscall_64+0xc6/0x1e0 [ 8622.707061][ T10] [ 8622.709070][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8622.709070][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8622.709070][ T10] ipv6_find_idev+0x102/0x170 [ 8622.709070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8622.709070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8622.709070][ T10] netlink_rcv_skb+0x130/0x360 [ 8622.709070][ T10] netlink_unicast+0x449/0x710 [ 8622.709070][ T10] netlink_sendmsg+0x723/0xbe0 [ 8622.709070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8622.709070][ T10] ___sys_sendmsg+0xee/0x170 [ 8622.709070][ T10] __sys_sendmsg+0xcd/0x170 [ 8622.709070][ T10] do_syscall_64+0xc6/0x1e0 [ 8622.709070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8622.709070][ T10] [ 8622.710631][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8622.710631][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8622.710631][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8622.710631][ T10] ipv6_find_idev+0x102/0x170 [ 8622.710631][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8622.710631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8622.710631][ T10] netlink_rcv_skb+0x130/0x360 [ 8622.710631][ T10] netlink_unicast+0x449/0x710 [ 8622.710631][ T10] netlink_sendmsg+0x723/0xbe0 [ 8622.710631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8622.710631][ T10] ___sys_sendmsg+0xee/0x170 [ 8622.710631][ T10] __sys_sendmsg+0xcd/0x170 [ 8622.710631][ T10] do_syscall_64+0xc6/0x1e0 [ 8622.710631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8622.710631][ T10] [ 8622.712327][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8622.712573][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8622.712573][ T10] netdev_get_by_index+0x5e/0x80 [ 8622.712573][ T10] fib6_nh_init+0x3d8/0x1580 [ 8622.712573][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8622.712573][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8622.712573][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8622.712573][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8622.712573][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8622.712573][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8622.712573][ T10] addrconf_dad_begin+0x310/0x670 [ 8622.712573][ T10] addrconf_dad_work+0x10b/0xab0 [ 8622.712573][ T10] process_one_work+0x84d/0x18a0 [ 8622.712573][ T10] worker_thread+0x587/0xd30 [ 8622.712573][ T10] kthread+0x28a/0x350 [ 8622.712573][ T10] ret_from_fork+0x31/0x70 [ 8622.712573][ T10] ret_from_fork_asm+0x1a/0x30 [ 8622.712573][ T10] [ 8622.714504][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8622.714504][ T10] netdev_get_by_index+0x5e/0x80 [ 8622.714504][ T10] fib6_nh_init+0x3d8/0x1580 [ 8622.714504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8622.714504][ T10] ip6_route_add+0x1c/0x140 [ 8622.714504][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8622.714504][ T10] inet6_addr_add+0x4f8/0xa40 [ 8622.714504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8622.714504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8622.714504][ T10] netlink_rcv_skb+0x130/0x360 [ 8622.714504][ T10] netlink_unicast+0x449/0x710 [ 8622.714504][ T10] netlink_sendmsg+0x723/0xbe0 [ 8622.714504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8622.714504][ T10] ___sys_sendmsg+0xee/0x170 [ 8622.714504][ T10] __sys_sendmsg+0xcd/0x170 [ 8622.714504][ T10] do_syscall_64+0xc6/0x1e0 [ 8622.714504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8622.714504][ T10] [ 8622.716687][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8622.716687][ T10] netdev_get_by_index+0x5e/0x80 [ 8622.716687][ T10] fib6_nh_init+0x3d8/0x1580 [ 8622.716687][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8622.716687][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8622.716687][ T10] ipv6_add_addr+0x411/0x2000 [ 8622.716687][ T10] inet6_addr_add+0x30e/0xa40 [ 8622.716687][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8622.716687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8622.716687][ T10] netlink_rcv_skb+0x130/0x360 [ 8622.716687][ T10] netlink_unicast+0x449/0x710 [ 8622.716687][ T10] netlink_sendmsg+0x723/0xbe0 [ 8622.716687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8622.716687][ T10] ___sys_sendmsg+0xee/0x170 [ 8622.716687][ T10] __sys_sendmsg+0xcd/0x170 [ 8622.716687][ T10] do_syscall_64+0xc6/0x1e0 [ 8622.716687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8622.716687][ T10] [ 8622.719009][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8622.719009][ T10] netdev_get_by_index+0x5e/0x80 [ 8622.719009][ T10] fib6_nh_init+0x3d8/0x1580 [ 8622.719009][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8622.719009][ T10] ip6_route_add+0x1c/0x140 [ 8622.719009][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8622.719009][ T10] addrconf_add_dev+0xe2/0x170 [ 8622.719009][ T10] inet6_addr_add+0x12f/0xa40 [ 8622.719009][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8622.719009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8622.719009][ T10] netlink_rcv_skb+0x130/0x360 [ 8622.719009][ T10] netlink_unicast+0x449/0x710 [ 8622.719009][ T10] netlink_sendmsg+0x723/0xbe0 [ 8622.719009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8622.719009][ T10] ___sys_sendmsg+0xee/0x170 [ 8622.719009][ T10] __sys_sendmsg+0xcd/0x170 [ 8622.719009][ T10] do_syscall_64+0xc6/0x1e0 [ 8622.719009][ T10] [ 8622.721198][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8622.721198][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8622.721198][ T10] ipv6_find_idev+0x102/0x170 [ 8622.721198][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8622.721198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8622.721198][ T10] netlink_rcv_skb+0x130/0x360 [ 8622.721198][ T10] netlink_unicast+0x449/0x710 [ 8622.721198][ T10] netlink_sendmsg+0x723/0xbe0 [ 8622.721198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8622.721198][ T10] ___sys_sendmsg+0xee/0x170 [ 8622.721198][ T10] __sys_sendmsg+0xcd/0x170 [ 8622.721198][ T10] do_syscall_64+0xc6/0x1e0 [ 8622.721198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8622.721198][ T10] [ 8622.722962][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8622.722962][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8622.722962][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8622.722962][ T10] ipv6_find_idev+0x102/0x170 [ 8622.722962][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8622.722962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8622.722962][ T10] netlink_rcv_skb+0x130/0x360 [ 8622.722962][ T10] netlink_unicast+0x449/0x710 [ 8622.722962][ T10] netlink_sendmsg+0x723/0xbe0 [ 8622.722962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8622.722962][ T10] ___sys_sendmsg+0xee/0x170 [ 8622.722962][ T10] __sys_sendmsg+0xcd/0x170 [ 8622.722962][ T10] do_syscall_64+0xc6/0x1e0 [ 8622.722962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8622.722962][ T10] [ 8622.724935][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8622.725612][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8622.725612][ T10] netdev_get_by_index+0x5e/0x80 [ 8622.725612][ T10] fib6_nh_init+0x3d8/0x1580 [ 8622.725612][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8622.725612][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8622.725612][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8622.725612][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8622.725612][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8622.725612][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8622.725612][ T10] addrconf_dad_begin+0x310/0x670 [ 8622.725612][ T10] addrconf_dad_work+0x10b/0xab0 [ 8622.725612][ T10] process_one_work+0x84d/0x18a0 [ 8622.725612][ T10] worker_thread+0x587/0xd30 [ 8622.725612][ T10] kthread+0x28a/0x350 [ 8622.725612][ T10] ret_from_fork+0x31/0x70 [ 8622.725612][ T10] ret_from_fork_asm+0x1a/0x30 [ 8622.725612][ T10] [ 8622.727561][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8622.727561][ T10] netdev_get_by_index+0x5e/0x80 [ 8622.727561][ T10] fib6_nh_init+0x3d8/0x1580 [ 8622.727561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8622.727561][ T10] ip6_route_add+0x1c/0x140 [ 8622.727561][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8622.727561][ T10] inet6_addr_add+0x4f8/0xa40 [ 8622.727561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8622.727561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8622.727561][ T10] netlink_rcv_skb+0x130/0x360 [ 8622.727561][ T10] netlink_unicast+0x449/0x710 [ 8622.727561][ T10] netlink_sendmsg+0x723/0xbe0 [ 8622.727561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8622.727561][ T10] ___sys_sendmsg+0xee/0x170 [ 8622.727561][ T10] __sys_sendmsg+0xcd/0x170 [ 8622.727561][ T10] do_syscall_64+0xc6/0x1e0 [ 8622.727561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8622.727561][ T10] [ 8622.729742][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8622.729742][ T10] netdev_get_by_index+0x5e/0x80 [ 8622.729742][ T10] fib6_nh_init+0x3d8/0x1580 [ 8622.729742][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8622.729742][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8622.729742][ T10] ipv6_add_addr+0x411/0x2000 [ 8622.729742][ T10] inet6_addr_add+0x30e/0xa40 [ 8622.729742][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8622.729742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8622.729742][ T10] netlink_rcv_skb+0x130/0x360 [ 8622.729742][ T10] netlink_unicast+0x449/0x710 [ 8622.729742][ T10] netlink_sendmsg+0x723/0xbe0 [ 8622.729742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8622.729742][ T10] ___sys_sendmsg+0xee/0x170 [ 8622.729742][ T10] __sys_sendmsg+0xcd/0x170 [ 8622.729742][ T10] do_syscall_64+0xc6/0x1e0 [ 8622.729742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8622.729742][ T10] [ 8622.732015][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8622.732015][ T10] netdev_get_by_index+0x5e/0x80 [ 8622.732015][ T10] fib6_nh_init+0x3d8/0x1580 [ 8622.732015][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8622.732015][ T10] ip6_route_add+0x1c/0x140 [ 8622.732015][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8622.732015][ T10] addrconf_add_dev+0xe2/0x170 [ 8622.732015][ T10] inet6_addr_add+0x12f/0xa40 [ 8622.732015][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8622.732015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8622.732015][ T10] netlink_rcv_skb+0x130/0x360 [ 8622.732015][ T10] netlink_unicast+0x449/0x710 [ 8622.732015][ T10] netlink_sendmsg+0x723/0xbe0 [ 8622.732015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8622.732015][ T10] ___sys_sendmsg+0xee/0x170 [ 8622.732015][ T10] __sys_sendmsg+0xcd/0x170 [ 8622.732015][ T10] do_syscall_64+0xc6/0x1e0 [ 8622.732015][ T10] [ 8622.734225][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8622.734225][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8622.734225][ T10] ipv6_find_idev+0x102/0x170 [ 8622.734225][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8622.734225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8622.734225][ T10] netlink_rcv_skb+0x130/0x360 [ 8622.734225][ T10] netlink_unicast+0x449/0x710 [ 8622.734225][ T10] netlink_sendmsg+0x723/0xbe0 [ 8622.734225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8622.734225][ T10] ___sys_sendmsg+0xee/0x170 [ 8622.734225][ T10] __sys_sendmsg+0xcd/0x170 [ 8622.734225][ T10] do_syscall_64+0xc6/0x1e0 [ 8622.734225][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8622.734225][ T10] [ 8622.735957][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8622.735957][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8622.735957][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8622.735957][ T10] ipv6_find_idev+0x102/0x170 [ 8622.735957][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8622.735957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8622.735957][ T10] netlink_rcv_skb+0x130/0x360 [ 8622.735957][ T10] netlink_unicast+0x449/0x710 [ 8622.735957][ T10] netlink_sendmsg+0x723/0xbe0 [ 8622.735957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8622.735957][ T10] ___sys_sendmsg+0xee/0x170 [ 8622.735957][ T10] __sys_sendmsg+0xcd/0x170 [ 8622.735957][ T10] do_syscall_64+0xc6/0x1e0 [ 8622.735957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8622.735957][ T10] [ 8632.433037][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8632.433466][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8632.433466][ T1167] dst_init+0x84/0x4a0 [ 8632.433466][ T1167] dst_alloc+0x97/0x150 [ 8632.433466][ T1167] ip6_dst_alloc+0x23/0x90 [ 8632.433466][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8632.433466][ T1167] ip6_pol_route+0x56f/0x840 [ 8632.433466][ T1167] fib6_rule_lookup+0x334/0x630 [ 8632.433466][ T1167] ip6_route_output_flags+0x259/0x480 [ 8632.433466][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8632.433466][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8632.433466][ T1167] netlink_rcv_skb+0x130/0x360 [ 8632.433466][ T1167] netlink_unicast+0x449/0x710 [ 8632.433466][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8632.433466][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8632.433466][ T1167] ___sys_sendmsg+0xee/0x170 [ 8632.433466][ T1167] __sys_sendmsg+0xcd/0x170 [ 8632.433466][ T1167] do_syscall_64+0xc6/0x1e0 [ 8632.433466][ T1167] [ 8632.435680][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8632.435680][ T1167] netdev_get_by_index+0x5e/0x80 [ 8632.435680][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8632.435680][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8632.435680][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8632.435680][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8632.435680][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8632.435680][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8632.435680][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8632.435680][ T1167] addrconf_dad_begin+0x310/0x670 [ 8632.435680][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8632.435680][ T1167] process_one_work+0x84d/0x18a0 [ 8632.435680][ T1167] worker_thread+0x587/0xd30 [ 8632.435680][ T1167] kthread+0x28a/0x350 [ 8632.435680][ T1167] ret_from_fork+0x31/0x70 [ 8632.435680][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8632.435680][ T1167] [ 8632.437867][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8632.437867][ T1167] netdev_get_by_index+0x5e/0x80 [ 8632.437867][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8632.437867][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8632.437867][ T1167] ip6_route_add+0x1c/0x140 [ 8632.437867][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8632.437867][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8632.437867][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8632.437867][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8632.437867][ T1167] netlink_rcv_skb+0x130/0x360 [ 8632.437867][ T1167] netlink_unicast+0x449/0x710 [ 8632.437867][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8632.437867][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8632.437867][ T1167] ___sys_sendmsg+0xee/0x170 [ 8632.437867][ T1167] __sys_sendmsg+0xcd/0x170 [ 8632.437867][ T1167] do_syscall_64+0xc6/0x1e0 [ 8632.437867][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8632.437867][ T1167] [ 8632.440110][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8632.440110][ T1167] netdev_get_by_index+0x5e/0x80 [ 8632.440110][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8632.440110][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8632.440110][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8632.440110][ T1167] ipv6_add_addr+0x411/0x2000 [ 8632.440110][ T1167] inet6_addr_add+0x30e/0xa40 [ 8632.440110][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8632.440110][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8632.440110][ T1167] netlink_rcv_skb+0x130/0x360 [ 8632.440110][ T1167] netlink_unicast+0x449/0x710 [ 8632.440110][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8632.440110][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8632.440110][ T1167] ___sys_sendmsg+0xee/0x170 [ 8632.440110][ T1167] __sys_sendmsg+0xcd/0x170 [ 8632.440110][ T1167] do_syscall_64+0xc6/0x1e0 [ 8632.440110][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8632.440110][ T1167] [ 8632.442357][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8632.442357][ T1167] netdev_get_by_index+0x5e/0x80 [ 8632.442357][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8632.442357][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8632.442357][ T1167] ip6_route_add+0x1c/0x140 [ 8632.442357][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8632.442357][ T1167] addrconf_add_dev+0xe2/0x170 [ 8632.442357][ T1167] inet6_addr_add+0x12f/0xa40 [ 8632.442357][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8632.442357][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8632.442357][ T1167] netlink_rcv_skb+0x130/0x360 [ 8632.442357][ T1167] netlink_unicast+0x449/0x710 [ 8632.442357][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8632.442357][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8632.442357][ T1167] ___sys_sendmsg+0xee/0x170 [ 8632.442357][ T1167] __sys_sendmsg+0xcd/0x170 [ 8632.442357][ T1167] do_syscall_64+0xc6/0x1e0 [ 8632.442357][ T1167] [ 8632.444601][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8632.444601][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8632.444601][ T1167] ipv6_find_idev+0x102/0x170 [ 8632.444601][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8632.444601][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8632.444601][ T1167] netlink_rcv_skb+0x130/0x360 [ 8632.444601][ T1167] netlink_unicast+0x449/0x710 [ 8632.444601][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8632.444601][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8632.444601][ T1167] ___sys_sendmsg+0xee/0x170 [ 8632.444601][ T1167] __sys_sendmsg+0xcd/0x170 [ 8632.444601][ T1167] do_syscall_64+0xc6/0x1e0 [ 8632.444601][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8632.444601][ T1167] [ 8632.446349][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8632.446349][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8632.446349][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8632.446349][ T1167] ipv6_find_idev+0x102/0x170 [ 8632.446349][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8632.446349][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8632.446349][ T1167] netlink_rcv_skb+0x130/0x360 [ 8632.446349][ T1167] netlink_unicast+0x449/0x710 [ 8632.446349][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8632.446349][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8632.446349][ T1167] ___sys_sendmsg+0xee/0x170 [ 8632.446349][ T1167] __sys_sendmsg+0xcd/0x170 [ 8632.446349][ T1167] do_syscall_64+0xc6/0x1e0 [ 8632.446349][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8632.446349][ T1167] [ 8632.977110][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8632.977464][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8632.977464][ T10] netdev_get_by_index+0x5e/0x80 [ 8632.977464][ T10] fib6_nh_init+0x3d8/0x1580 [ 8632.977464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8632.977464][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8632.977464][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8632.977464][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8632.977464][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8632.977464][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8632.977464][ T10] addrconf_dad_begin+0x310/0x670 [ 8632.977464][ T10] addrconf_dad_work+0x10b/0xab0 [ 8632.977464][ T10] process_one_work+0x84d/0x18a0 [ 8632.977464][ T10] worker_thread+0x587/0xd30 [ 8632.977464][ T10] kthread+0x28a/0x350 [ 8632.977464][ T10] ret_from_fork+0x31/0x70 [ 8632.977464][ T10] ret_from_fork_asm+0x1a/0x30 [ 8632.977464][ T10] [ 8632.979469][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8632.979469][ T10] netdev_get_by_index+0x5e/0x80 [ 8632.979469][ T10] fib6_nh_init+0x3d8/0x1580 [ 8632.979469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8632.979469][ T10] ip6_route_add+0x1c/0x140 [ 8632.979469][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8632.979469][ T10] inet6_addr_add+0x4f8/0xa40 [ 8632.979469][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8632.979469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8632.979469][ T10] netlink_rcv_skb+0x130/0x360 [ 8632.979469][ T10] netlink_unicast+0x449/0x710 [ 8632.979469][ T10] netlink_sendmsg+0x723/0xbe0 [ 8632.979469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8632.979469][ T10] ___sys_sendmsg+0xee/0x170 [ 8632.979469][ T10] __sys_sendmsg+0xcd/0x170 [ 8632.979469][ T10] do_syscall_64+0xc6/0x1e0 [ 8632.979469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8632.979469][ T10] [ 8632.981479][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8632.981479][ T10] netdev_get_by_index+0x5e/0x80 [ 8632.981479][ T10] fib6_nh_init+0x3d8/0x1580 [ 8632.981479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8632.981479][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8632.981479][ T10] ipv6_add_addr+0x411/0x2000 [ 8632.981479][ T10] inet6_addr_add+0x30e/0xa40 [ 8632.981479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8632.981479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8632.981479][ T10] netlink_rcv_skb+0x130/0x360 [ 8632.981479][ T10] netlink_unicast+0x449/0x710 [ 8632.981479][ T10] netlink_sendmsg+0x723/0xbe0 [ 8632.981479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8632.981479][ T10] ___sys_sendmsg+0xee/0x170 [ 8632.981479][ T10] __sys_sendmsg+0xcd/0x170 [ 8632.981479][ T10] do_syscall_64+0xc6/0x1e0 [ 8632.981479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8632.981479][ T10] [ 8632.983514][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8632.983514][ T10] netdev_get_by_index+0x5e/0x80 [ 8632.983514][ T10] fib6_nh_init+0x3d8/0x1580 [ 8632.983514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8632.983514][ T10] ip6_route_add+0x1c/0x140 [ 8632.983514][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8632.983514][ T10] addrconf_add_dev+0xe2/0x170 [ 8632.983514][ T10] inet6_addr_add+0x12f/0xa40 [ 8632.983514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8632.983514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8632.983514][ T10] netlink_rcv_skb+0x130/0x360 [ 8632.983514][ T10] netlink_unicast+0x449/0x710 [ 8632.983514][ T10] netlink_sendmsg+0x723/0xbe0 [ 8632.983514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8632.983514][ T10] ___sys_sendmsg+0xee/0x170 [ 8632.983514][ T10] __sys_sendmsg+0xcd/0x170 [ 8632.983514][ T10] do_syscall_64+0xc6/0x1e0 [ 8632.983514][ T10] [ 8632.985545][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8632.985545][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8632.985545][ T10] ipv6_find_idev+0x102/0x170 [ 8632.985545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8632.985545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8632.985545][ T10] netlink_rcv_skb+0x130/0x360 [ 8632.985545][ T10] netlink_unicast+0x449/0x710 [ 8632.985545][ T10] netlink_sendmsg+0x723/0xbe0 [ 8632.985545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8632.985545][ T10] ___sys_sendmsg+0xee/0x170 [ 8632.985545][ T10] __sys_sendmsg+0xcd/0x170 [ 8632.985545][ T10] do_syscall_64+0xc6/0x1e0 [ 8632.985545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8632.985545][ T10] [ 8632.987145][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8632.987145][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8632.987145][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8632.987145][ T10] ipv6_find_idev+0x102/0x170 [ 8632.987145][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8632.987145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8632.987145][ T10] netlink_rcv_skb+0x130/0x360 [ 8632.987145][ T10] netlink_unicast+0x449/0x710 [ 8632.987145][ T10] netlink_sendmsg+0x723/0xbe0 [ 8632.987145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8632.987145][ T10] ___sys_sendmsg+0xee/0x170 [ 8632.987145][ T10] __sys_sendmsg+0xcd/0x170 [ 8632.987145][ T10] do_syscall_64+0xc6/0x1e0 [ 8632.987145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8632.987145][ T10] [ 8632.988898][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8632.989158][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8632.989158][ T10] netdev_get_by_index+0x5e/0x80 [ 8632.989158][ T10] fib6_nh_init+0x3d8/0x1580 [ 8632.989158][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8632.989158][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8632.989158][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8632.989158][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8632.989158][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8632.989158][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8632.989158][ T10] addrconf_dad_begin+0x310/0x670 [ 8632.989158][ T10] addrconf_dad_work+0x10b/0xab0 [ 8632.989158][ T10] process_one_work+0x84d/0x18a0 [ 8632.989158][ T10] worker_thread+0x587/0xd30 [ 8632.989158][ T10] kthread+0x28a/0x350 [ 8632.989158][ T10] ret_from_fork+0x31/0x70 [ 8632.989158][ T10] ret_from_fork_asm+0x1a/0x30 [ 8632.989158][ T10] [ 8632.991115][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8632.991115][ T10] netdev_get_by_index+0x5e/0x80 [ 8632.991115][ T10] fib6_nh_init+0x3d8/0x1580 [ 8632.991115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8632.991115][ T10] ip6_route_add+0x1c/0x140 [ 8632.991115][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8632.991115][ T10] inet6_addr_add+0x4f8/0xa40 [ 8632.991115][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8632.991115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8632.991115][ T10] netlink_rcv_skb+0x130/0x360 [ 8632.991115][ T10] netlink_unicast+0x449/0x710 [ 8632.991115][ T10] netlink_sendmsg+0x723/0xbe0 [ 8632.991115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8632.991115][ T10] ___sys_sendmsg+0xee/0x170 [ 8632.991115][ T10] __sys_sendmsg+0xcd/0x170 [ 8632.991115][ T10] do_syscall_64+0xc6/0x1e0 [ 8632.991115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8632.991115][ T10] [ 8632.993148][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8632.993148][ T10] netdev_get_by_index+0x5e/0x80 [ 8632.993148][ T10] fib6_nh_init+0x3d8/0x1580 [ 8632.993148][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8632.993148][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8632.993148][ T10] ipv6_add_addr+0x411/0x2000 [ 8632.993148][ T10] inet6_addr_add+0x30e/0xa40 [ 8632.993148][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8632.993148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8632.993148][ T10] netlink_rcv_skb+0x130/0x360 [ 8632.993148][ T10] netlink_unicast+0x449/0x710 [ 8632.993148][ T10] netlink_sendmsg+0x723/0xbe0 [ 8632.993148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8632.993148][ T10] ___sys_sendmsg+0xee/0x170 [ 8632.993148][ T10] __sys_sendmsg+0xcd/0x170 [ 8632.993148][ T10] do_syscall_64+0xc6/0x1e0 [ 8632.993148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8632.993148][ T10] [ 8632.995185][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8632.995185][ T10] netdev_get_by_index+0x5e/0x80 [ 8632.995185][ T10] fib6_nh_init+0x3d8/0x1580 [ 8632.995185][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8632.995185][ T10] ip6_route_add+0x1c/0x140 [ 8632.995185][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8632.995185][ T10] addrconf_add_dev+0xe2/0x170 [ 8632.995185][ T10] inet6_addr_add+0x12f/0xa40 [ 8632.995185][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8632.995185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8632.995185][ T10] netlink_rcv_skb+0x130/0x360 [ 8632.995185][ T10] netlink_unicast+0x449/0x710 [ 8632.995185][ T10] netlink_sendmsg+0x723/0xbe0 [ 8632.995185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8632.995185][ T10] ___sys_sendmsg+0xee/0x170 [ 8632.995185][ T10] __sys_sendmsg+0xcd/0x170 [ 8632.995185][ T10] do_syscall_64+0xc6/0x1e0 [ 8632.995185][ T10] [ 8632.997203][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8632.997203][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8632.997203][ T10] ipv6_find_idev+0x102/0x170 [ 8632.997203][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8632.997203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8632.997203][ T10] netlink_rcv_skb+0x130/0x360 [ 8632.997203][ T10] netlink_unicast+0x449/0x710 [ 8632.997203][ T10] netlink_sendmsg+0x723/0xbe0 [ 8632.997203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8632.997203][ T10] ___sys_sendmsg+0xee/0x170 [ 8632.997203][ T10] __sys_sendmsg+0xcd/0x170 [ 8632.997203][ T10] do_syscall_64+0xc6/0x1e0 [ 8632.997203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8632.997203][ T10] [ 8632.998802][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8632.998802][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8632.998802][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8632.998802][ T10] ipv6_find_idev+0x102/0x170 [ 8632.998802][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8632.998802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8632.998802][ T10] netlink_rcv_skb+0x130/0x360 [ 8632.998802][ T10] netlink_unicast+0x449/0x710 [ 8632.998802][ T10] netlink_sendmsg+0x723/0xbe0 [ 8632.998802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8632.998802][ T10] ___sys_sendmsg+0xee/0x170 [ 8632.998802][ T10] __sys_sendmsg+0xcd/0x170 [ 8632.998802][ T10] do_syscall_64+0xc6/0x1e0 [ 8632.998802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8632.998802][ T10] [ 8633.000553][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8633.000796][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8633.000796][ T10] netdev_get_by_index+0x5e/0x80 [ 8633.000796][ T10] fib6_nh_init+0x3d8/0x1580 [ 8633.000796][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8633.000796][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8633.000796][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8633.000796][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8633.000796][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8633.000796][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8633.000796][ T10] addrconf_dad_begin+0x310/0x670 [ 8633.000796][ T10] addrconf_dad_work+0x10b/0xab0 [ 8633.000796][ T10] process_one_work+0x84d/0x18a0 [ 8633.000796][ T10] worker_thread+0x587/0xd30 [ 8633.000796][ T10] kthread+0x28a/0x350 [ 8633.000796][ T10] ret_from_fork+0x31/0x70 [ 8633.000796][ T10] ret_from_fork_asm+0x1a/0x30 [ 8633.000796][ T10] [ 8633.002759][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8633.002759][ T10] netdev_get_by_index+0x5e/0x80 [ 8633.002759][ T10] fib6_nh_init+0x3d8/0x1580 [ 8633.002759][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8633.002759][ T10] ip6_route_add+0x1c/0x140 [ 8633.002759][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8633.002759][ T10] inet6_addr_add+0x4f8/0xa40 [ 8633.002759][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8633.002759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8633.002759][ T10] netlink_rcv_skb+0x130/0x360 [ 8633.002759][ T10] netlink_unicast+0x449/0x710 [ 8633.002759][ T10] netlink_sendmsg+0x723/0xbe0 [ 8633.002759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8633.002759][ T10] ___sys_sendmsg+0xee/0x170 [ 8633.002759][ T10] __sys_sendmsg+0xcd/0x170 [ 8633.002759][ T10] do_syscall_64+0xc6/0x1e0 [ 8633.002759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8633.002759][ T10] [ 8633.004912][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8633.004912][ T10] netdev_get_by_index+0x5e/0x80 [ 8633.004912][ T10] fib6_nh_init+0x3d8/0x1580 [ 8633.004912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8633.004912][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8633.004912][ T10] ipv6_add_addr+0x411/0x2000 [ 8633.004912][ T10] inet6_addr_add+0x30e/0xa40 [ 8633.004912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8633.004912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8633.004912][ T10] netlink_rcv_skb+0x130/0x360 [ 8633.004912][ T10] netlink_unicast+0x449/0x710 [ 8633.004912][ T10] netlink_sendmsg+0x723/0xbe0 [ 8633.004912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8633.004912][ T10] ___sys_sendmsg+0xee/0x170 [ 8633.004912][ T10] __sys_sendmsg+0xcd/0x170 [ 8633.004912][ T10] do_syscall_64+0xc6/0x1e0 [ 8633.004912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8633.004912][ T10] [ 8633.007226][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8633.007226][ T10] netdev_get_by_index+0x5e/0x80 [ 8633.007226][ T10] fib6_nh_init+0x3d8/0x1580 [ 8633.007226][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8633.007226][ T10] ip6_route_add+0x1c/0x140 [ 8633.007226][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8633.007226][ T10] addrconf_add_dev+0xe2/0x170 [ 8633.007226][ T10] inet6_addr_add+0x12f/0xa40 [ 8633.007226][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8633.007226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8633.007226][ T10] netlink_rcv_skb+0x130/0x360 [ 8633.007226][ T10] netlink_unicast+0x449/0x710 [ 8633.007226][ T10] netlink_sendmsg+0x723/0xbe0 [ 8633.007226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8633.007226][ T10] ___sys_sendmsg+0xee/0x170 [ 8633.007226][ T10] __sys_sendmsg+0xcd/0x170 [ 8633.007226][ T10] do_syscall_64+0xc6/0x1e0 [ 8633.007226][ T10] [ 8633.009410][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8633.009410][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8633.009410][ T10] ipv6_find_idev+0x102/0x170 [ 8633.009410][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8633.009410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8633.009410][ T10] netlink_rcv_skb+0x130/0x360 [ 8633.009410][ T10] netlink_unicast+0x449/0x710 [ 8633.009410][ T10] netlink_sendmsg+0x723/0xbe0 [ 8633.009410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8633.009410][ T10] ___sys_sendmsg+0xee/0x170 [ 8633.009410][ T10] __sys_sendmsg+0xcd/0x170 [ 8633.009410][ T10] do_syscall_64+0xc6/0x1e0 [ 8633.009410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8633.009410][ T10] [ 8633.011172][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8633.011172][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8633.011172][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8633.011172][ T10] ipv6_find_idev+0x102/0x170 [ 8633.011172][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8633.011172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8633.011172][ T10] netlink_rcv_skb+0x130/0x360 [ 8633.011172][ T10] netlink_unicast+0x449/0x710 [ 8633.011172][ T10] netlink_sendmsg+0x723/0xbe0 [ 8633.011172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8633.011172][ T10] ___sys_sendmsg+0xee/0x170 [ 8633.011172][ T10] __sys_sendmsg+0xcd/0x170 [ 8633.011172][ T10] do_syscall_64+0xc6/0x1e0 [ 8633.011172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8633.011172][ T10] [ 8633.013149][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8633.013395][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8633.013395][ T10] netdev_get_by_index+0x5e/0x80 [ 8633.013395][ T10] fib6_nh_init+0x3d8/0x1580 [ 8633.013395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8633.013395][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8633.013395][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8633.013395][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8633.013395][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8633.013395][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8633.013395][ T10] addrconf_dad_begin+0x310/0x670 [ 8633.013395][ T10] addrconf_dad_work+0x10b/0xab0 [ 8633.013395][ T10] process_one_work+0x84d/0x18a0 [ 8633.013395][ T10] worker_thread+0x587/0xd30 [ 8633.013395][ T10] kthread+0x28a/0x350 [ 8633.013395][ T10] ret_from_fork+0x31/0x70 [ 8633.013395][ T10] ret_from_fork_asm+0x1a/0x30 [ 8633.013395][ T10] [ 8633.015676][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8633.015676][ T10] netdev_get_by_index+0x5e/0x80 [ 8633.015676][ T10] fib6_nh_init+0x3d8/0x1580 [ 8633.015676][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8633.015676][ T10] ip6_route_add+0x1c/0x140 [ 8633.015676][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8633.015676][ T10] inet6_addr_add+0x4f8/0xa40 [ 8633.015676][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8633.015676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8633.015676][ T10] netlink_rcv_skb+0x130/0x360 [ 8633.015676][ T10] netlink_unicast+0x449/0x710 [ 8633.015676][ T10] netlink_sendmsg+0x723/0xbe0 [ 8633.015676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8633.015676][ T10] ___sys_sendmsg+0xee/0x170 [ 8633.015676][ T10] __sys_sendmsg+0xcd/0x170 [ 8633.015676][ T10] do_syscall_64+0xc6/0x1e0 [ 8633.015676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8633.015676][ T10] [ 8633.017939][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8633.017939][ T10] netdev_get_by_index+0x5e/0x80 [ 8633.017939][ T10] fib6_nh_init+0x3d8/0x1580 [ 8633.017939][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8633.017939][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8633.017939][ T10] ipv6_add_addr+0x411/0x2000 [ 8633.017939][ T10] inet6_addr_add+0x30e/0xa40 [ 8633.017939][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8633.017939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8633.017939][ T10] netlink_rcv_skb+0x130/0x360 [ 8633.017939][ T10] netlink_unicast+0x449/0x710 [ 8633.017939][ T10] netlink_sendmsg+0x723/0xbe0 [ 8633.017939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8633.017939][ T10] ___sys_sendmsg+0xee/0x170 [ 8633.017939][ T10] __sys_sendmsg+0xcd/0x170 [ 8633.017939][ T10] do_syscall_64+0xc6/0x1e0 [ 8633.017939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8633.017939][ T10] [ 8633.020263][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8633.020263][ T10] netdev_get_by_index+0x5e/0x80 [ 8633.020263][ T10] fib6_nh_init+0x3d8/0x1580 [ 8633.020263][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8633.020263][ T10] ip6_route_add+0x1c/0x140 [ 8633.020263][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8633.020263][ T10] addrconf_add_dev+0xe2/0x170 [ 8633.020263][ T10] inet6_addr_add+0x12f/0xa40 [ 8633.020263][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8633.020263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8633.020263][ T10] netlink_rcv_skb+0x130/0x360 [ 8633.020263][ T10] netlink_unicast+0x449/0x710 [ 8633.020263][ T10] netlink_sendmsg+0x723/0xbe0 [ 8633.020263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8633.020263][ T10] ___sys_sendmsg+0xee/0x170 [ 8633.020263][ T10] __sys_sendmsg+0xcd/0x170 [ 8633.020263][ T10] do_syscall_64+0xc6/0x1e0 [ 8633.020263][ T10] [ 8633.022496][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8633.022496][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8633.022496][ T10] ipv6_find_idev+0x102/0x170 [ 8633.022496][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8633.022496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8633.022496][ T10] netlink_rcv_skb+0x130/0x360 [ 8633.022496][ T10] netlink_unicast+0x449/0x710 [ 8633.022496][ T10] netlink_sendmsg+0x723/0xbe0 [ 8633.022496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8633.022496][ T10] ___sys_sendmsg+0xee/0x170 [ 8633.022496][ T10] __sys_sendmsg+0xcd/0x170 [ 8633.022496][ T10] do_syscall_64+0xc6/0x1e0 [ 8633.022496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8633.022496][ T10] [ 8633.024253][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8633.024253][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8633.024253][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8633.024253][ T10] ipv6_find_idev+0x102/0x170 [ 8633.024253][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8633.024253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8633.024253][ T10] netlink_rcv_skb+0x130/0x360 [ 8633.024253][ T10] netlink_unicast+0x449/0x710 [ 8633.024253][ T10] netlink_sendmsg+0x723/0xbe0 [ 8633.024253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8633.024253][ T10] ___sys_sendmsg+0xee/0x170 [ 8633.024253][ T10] __sys_sendmsg+0xcd/0x170 [ 8633.024253][ T10] do_syscall_64+0xc6/0x1e0 [ 8633.024253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8633.024253][ T10] [ 8642.689125][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8642.689603][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8642.689603][ T1167] dst_init+0x84/0x4a0 [ 8642.689603][ T1167] dst_alloc+0x97/0x150 [ 8642.689603][ T1167] ip6_dst_alloc+0x23/0x90 [ 8642.689603][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8642.689603][ T1167] ip6_pol_route+0x56f/0x840 [ 8642.689603][ T1167] fib6_rule_lookup+0x334/0x630 [ 8642.689603][ T1167] ip6_route_output_flags+0x259/0x480 [ 8642.689603][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8642.689603][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8642.689603][ T1167] netlink_rcv_skb+0x130/0x360 [ 8642.689603][ T1167] netlink_unicast+0x449/0x710 [ 8642.689603][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8642.689603][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8642.689603][ T1167] ___sys_sendmsg+0xee/0x170 [ 8642.689603][ T1167] __sys_sendmsg+0xcd/0x170 [ 8642.689603][ T1167] do_syscall_64+0xc6/0x1e0 [ 8642.689603][ T1167] [ 8642.691798][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8642.691798][ T1167] netdev_get_by_index+0x5e/0x80 [ 8642.691798][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8642.691798][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8642.691798][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8642.691798][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8642.691798][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8642.691798][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8642.691798][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8642.691798][ T1167] addrconf_dad_begin+0x310/0x670 [ 8642.691798][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8642.691798][ T1167] process_one_work+0x84d/0x18a0 [ 8642.691798][ T1167] worker_thread+0x587/0xd30 [ 8642.691798][ T1167] kthread+0x28a/0x350 [ 8642.691798][ T1167] ret_from_fork+0x31/0x70 [ 8642.691798][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8642.691798][ T1167] [ 8642.693940][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8642.693940][ T1167] netdev_get_by_index+0x5e/0x80 [ 8642.693940][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8642.693940][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8642.693940][ T1167] ip6_route_add+0x1c/0x140 [ 8642.693940][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8642.693940][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8642.693940][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8642.693940][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8642.693940][ T1167] netlink_rcv_skb+0x130/0x360 [ 8642.693940][ T1167] netlink_unicast+0x449/0x710 [ 8642.693940][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8642.693940][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8642.693940][ T1167] ___sys_sendmsg+0xee/0x170 [ 8642.693940][ T1167] __sys_sendmsg+0xcd/0x170 [ 8642.693940][ T1167] do_syscall_64+0xc6/0x1e0 [ 8642.693940][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8642.693940][ T1167] [ 8642.696170][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8642.696170][ T1167] netdev_get_by_index+0x5e/0x80 [ 8642.696170][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8642.696170][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8642.696170][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8642.696170][ T1167] ipv6_add_addr+0x411/0x2000 [ 8642.696170][ T1167] inet6_addr_add+0x30e/0xa40 [ 8642.696170][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8642.696170][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8642.696170][ T1167] netlink_rcv_skb+0x130/0x360 [ 8642.696170][ T1167] netlink_unicast+0x449/0x710 [ 8642.696170][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8642.696170][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8642.696170][ T1167] ___sys_sendmsg+0xee/0x170 [ 8642.696170][ T1167] __sys_sendmsg+0xcd/0x170 [ 8642.696170][ T1167] do_syscall_64+0xc6/0x1e0 [ 8642.696170][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8642.696170][ T1167] [ 8642.698422][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8642.698422][ T1167] netdev_get_by_index+0x5e/0x80 [ 8642.698422][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8642.698422][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8642.698422][ T1167] ip6_route_add+0x1c/0x140 [ 8642.698422][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8642.698422][ T1167] addrconf_add_dev+0xe2/0x170 [ 8642.698422][ T1167] inet6_addr_add+0x12f/0xa40 [ 8642.698422][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8642.698422][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8642.698422][ T1167] netlink_rcv_skb+0x130/0x360 [ 8642.698422][ T1167] netlink_unicast+0x449/0x710 [ 8642.698422][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8642.698422][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8642.698422][ T1167] ___sys_sendmsg+0xee/0x170 [ 8642.698422][ T1167] __sys_sendmsg+0xcd/0x170 [ 8642.698422][ T1167] do_syscall_64+0xc6/0x1e0 [ 8642.698422][ T1167] [ 8642.700614][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8642.700614][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8642.700614][ T1167] ipv6_find_idev+0x102/0x170 [ 8642.700614][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8642.700614][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8642.700614][ T1167] netlink_rcv_skb+0x130/0x360 [ 8642.700614][ T1167] netlink_unicast+0x449/0x710 [ 8642.700614][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8642.700614][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8642.700614][ T1167] ___sys_sendmsg+0xee/0x170 [ 8642.700614][ T1167] __sys_sendmsg+0xcd/0x170 [ 8642.700614][ T1167] do_syscall_64+0xc6/0x1e0 [ 8642.700614][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8642.700614][ T1167] [ 8642.702323][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8642.702323][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8642.702323][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8642.702323][ T1167] ipv6_find_idev+0x102/0x170 [ 8642.702323][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8642.702323][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8642.702323][ T1167] netlink_rcv_skb+0x130/0x360 [ 8642.702323][ T1167] netlink_unicast+0x449/0x710 [ 8642.702323][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8642.702323][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8642.702323][ T1167] ___sys_sendmsg+0xee/0x170 [ 8642.702323][ T1167] __sys_sendmsg+0xcd/0x170 [ 8642.702323][ T1167] do_syscall_64+0xc6/0x1e0 [ 8642.702323][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8642.702323][ T1167] [ 8643.201108][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8643.201496][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8643.201496][ T10] netdev_get_by_index+0x5e/0x80 [ 8643.201496][ T10] fib6_nh_init+0x3d8/0x1580 [ 8643.201496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8643.201496][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8643.201496][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8643.201496][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8643.201496][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8643.201496][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8643.201496][ T10] addrconf_dad_begin+0x310/0x670 [ 8643.201496][ T10] addrconf_dad_work+0x10b/0xab0 [ 8643.201496][ T10] process_one_work+0x84d/0x18a0 [ 8643.201496][ T10] worker_thread+0x587/0xd30 [ 8643.201496][ T10] kthread+0x28a/0x350 [ 8643.201496][ T10] ret_from_fork+0x31/0x70 [ 8643.201496][ T10] ret_from_fork_asm+0x1a/0x30 [ 8643.201496][ T10] [ 8643.203442][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8643.203442][ T10] netdev_get_by_index+0x5e/0x80 [ 8643.203442][ T10] fib6_nh_init+0x3d8/0x1580 [ 8643.203442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8643.203442][ T10] ip6_route_add+0x1c/0x140 [ 8643.203442][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8643.203442][ T10] inet6_addr_add+0x4f8/0xa40 [ 8643.203442][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8643.203442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8643.203442][ T10] netlink_rcv_skb+0x130/0x360 [ 8643.203442][ T10] netlink_unicast+0x449/0x710 [ 8643.203442][ T10] netlink_sendmsg+0x723/0xbe0 [ 8643.203442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8643.203442][ T10] ___sys_sendmsg+0xee/0x170 [ 8643.203442][ T10] __sys_sendmsg+0xcd/0x170 [ 8643.203442][ T10] do_syscall_64+0xc6/0x1e0 [ 8643.203442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8643.203442][ T10] [ 8643.205450][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8643.205450][ T10] netdev_get_by_index+0x5e/0x80 [ 8643.205450][ T10] fib6_nh_init+0x3d8/0x1580 [ 8643.205450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8643.205450][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8643.205450][ T10] ipv6_add_addr+0x411/0x2000 [ 8643.205450][ T10] inet6_addr_add+0x30e/0xa40 [ 8643.205450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8643.205450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8643.205450][ T10] netlink_rcv_skb+0x130/0x360 [ 8643.205450][ T10] netlink_unicast+0x449/0x710 [ 8643.205450][ T10] netlink_sendmsg+0x723/0xbe0 [ 8643.205450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8643.205450][ T10] ___sys_sendmsg+0xee/0x170 [ 8643.205450][ T10] __sys_sendmsg+0xcd/0x170 [ 8643.205450][ T10] do_syscall_64+0xc6/0x1e0 [ 8643.205450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8643.205450][ T10] [ 8643.207464][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8643.207464][ T10] netdev_get_by_index+0x5e/0x80 [ 8643.207464][ T10] fib6_nh_init+0x3d8/0x1580 [ 8643.207464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8643.207464][ T10] ip6_route_add+0x1c/0x140 [ 8643.207464][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8643.207464][ T10] addrconf_add_dev+0xe2/0x170 [ 8643.207464][ T10] inet6_addr_add+0x12f/0xa40 [ 8643.207464][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8643.207464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8643.207464][ T10] netlink_rcv_skb+0x130/0x360 [ 8643.207464][ T10] netlink_unicast+0x449/0x710 [ 8643.207464][ T10] netlink_sendmsg+0x723/0xbe0 [ 8643.207464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8643.207464][ T10] ___sys_sendmsg+0xee/0x170 [ 8643.207464][ T10] __sys_sendmsg+0xcd/0x170 [ 8643.207464][ T10] do_syscall_64+0xc6/0x1e0 [ 8643.207464][ T10] [ 8643.209447][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8643.209447][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8643.209447][ T10] ipv6_find_idev+0x102/0x170 [ 8643.209447][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8643.209447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8643.209447][ T10] netlink_rcv_skb+0x130/0x360 [ 8643.209447][ T10] netlink_unicast+0x449/0x710 [ 8643.209447][ T10] netlink_sendmsg+0x723/0xbe0 [ 8643.209447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8643.209447][ T10] ___sys_sendmsg+0xee/0x170 [ 8643.209447][ T10] __sys_sendmsg+0xcd/0x170 [ 8643.209447][ T10] do_syscall_64+0xc6/0x1e0 [ 8643.209447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8643.209447][ T10] [ 8643.210992][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8643.210992][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8643.210992][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8643.210992][ T10] ipv6_find_idev+0x102/0x170 [ 8643.210992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8643.210992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8643.210992][ T10] netlink_rcv_skb+0x130/0x360 [ 8643.210992][ T10] netlink_unicast+0x449/0x710 [ 8643.210992][ T10] netlink_sendmsg+0x723/0xbe0 [ 8643.210992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8643.210992][ T10] ___sys_sendmsg+0xee/0x170 [ 8643.210992][ T10] __sys_sendmsg+0xcd/0x170 [ 8643.210992][ T10] do_syscall_64+0xc6/0x1e0 [ 8643.210992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8643.210992][ T10] [ 8643.212690][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8643.212933][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8643.212933][ T10] netdev_get_by_index+0x5e/0x80 [ 8643.212933][ T10] fib6_nh_init+0x3d8/0x1580 [ 8643.212933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8643.212933][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8643.212933][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8643.212933][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8643.212933][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8643.212933][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8643.212933][ T10] addrconf_dad_begin+0x310/0x670 [ 8643.212933][ T10] addrconf_dad_work+0x10b/0xab0 [ 8643.212933][ T10] process_one_work+0x84d/0x18a0 [ 8643.212933][ T10] worker_thread+0x587/0xd30 [ 8643.212933][ T10] kthread+0x28a/0x350 [ 8643.212933][ T10] ret_from_fork+0x31/0x70 [ 8643.212933][ T10] ret_from_fork_asm+0x1a/0x30 [ 8643.212933][ T10] [ 8643.214847][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8643.214847][ T10] netdev_get_by_index+0x5e/0x80 [ 8643.214847][ T10] fib6_nh_init+0x3d8/0x1580 [ 8643.214847][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8643.214847][ T10] ip6_route_add+0x1c/0x140 [ 8643.214847][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8643.214847][ T10] inet6_addr_add+0x4f8/0xa40 [ 8643.214847][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8643.214847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8643.214847][ T10] netlink_rcv_skb+0x130/0x360 [ 8643.214847][ T10] netlink_unicast+0x449/0x710 [ 8643.214847][ T10] netlink_sendmsg+0x723/0xbe0 [ 8643.214847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8643.214847][ T10] ___sys_sendmsg+0xee/0x170 [ 8643.214847][ T10] __sys_sendmsg+0xcd/0x170 [ 8643.214847][ T10] do_syscall_64+0xc6/0x1e0 [ 8643.214847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8643.214847][ T10] [ 8643.216867][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8643.216867][ T10] netdev_get_by_index+0x5e/0x80 [ 8643.216867][ T10] fib6_nh_init+0x3d8/0x1580 [ 8643.216867][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8643.216867][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8643.216867][ T10] ipv6_add_addr+0x411/0x2000 [ 8643.216867][ T10] inet6_addr_add+0x30e/0xa40 [ 8643.216867][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8643.216867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8643.216867][ T10] netlink_rcv_skb+0x130/0x360 [ 8643.216867][ T10] netlink_unicast+0x449/0x710 [ 8643.216867][ T10] netlink_sendmsg+0x723/0xbe0 [ 8643.216867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8643.216867][ T10] ___sys_sendmsg+0xee/0x170 [ 8643.216867][ T10] __sys_sendmsg+0xcd/0x170 [ 8643.216867][ T10] do_syscall_64+0xc6/0x1e0 [ 8643.216867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8643.216867][ T10] [ 8643.218888][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8643.218888][ T10] netdev_get_by_index+0x5e/0x80 [ 8643.218888][ T10] fib6_nh_init+0x3d8/0x1580 [ 8643.218888][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8643.218888][ T10] ip6_route_add+0x1c/0x140 [ 8643.218888][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8643.218888][ T10] addrconf_add_dev+0xe2/0x170 [ 8643.218888][ T10] inet6_addr_add+0x12f/0xa40 [ 8643.218888][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8643.218888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8643.218888][ T10] netlink_rcv_skb+0x130/0x360 [ 8643.218888][ T10] netlink_unicast+0x449/0x710 [ 8643.218888][ T10] netlink_sendmsg+0x723/0xbe0 [ 8643.218888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8643.218888][ T10] ___sys_sendmsg+0xee/0x170 [ 8643.218888][ T10] __sys_sendmsg+0xcd/0x170 [ 8643.218888][ T10] do_syscall_64+0xc6/0x1e0 [ 8643.218888][ T10] [ 8643.220860][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8643.220860][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8643.220860][ T10] ipv6_find_idev+0x102/0x170 [ 8643.220860][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8643.220860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8643.220860][ T10] netlink_rcv_skb+0x130/0x360 [ 8643.220860][ T10] netlink_unicast+0x449/0x710 [ 8643.220860][ T10] netlink_sendmsg+0x723/0xbe0 [ 8643.220860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8643.220860][ T10] ___sys_sendmsg+0xee/0x170 [ 8643.220860][ T10] __sys_sendmsg+0xcd/0x170 [ 8643.220860][ T10] do_syscall_64+0xc6/0x1e0 [ 8643.220860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8643.220860][ T10] [ 8643.222408][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8643.222408][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8643.222408][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8643.222408][ T10] ipv6_find_idev+0x102/0x170 [ 8643.222408][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8643.222408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8643.222408][ T10] netlink_rcv_skb+0x130/0x360 [ 8643.222408][ T10] netlink_unicast+0x449/0x710 [ 8643.222408][ T10] netlink_sendmsg+0x723/0xbe0 [ 8643.222408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8643.222408][ T10] ___sys_sendmsg+0xee/0x170 [ 8643.222408][ T10] __sys_sendmsg+0xcd/0x170 [ 8643.222408][ T10] do_syscall_64+0xc6/0x1e0 [ 8643.222408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8643.222408][ T10] [ 8643.224103][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8643.224344][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8643.224344][ T10] netdev_get_by_index+0x5e/0x80 [ 8643.224344][ T10] fib6_nh_init+0x3d8/0x1580 [ 8643.224344][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8643.224344][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8643.224344][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8643.224344][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8643.224344][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8643.224344][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8643.224344][ T10] addrconf_dad_begin+0x310/0x670 [ 8643.224344][ T10] addrconf_dad_work+0x10b/0xab0 [ 8643.224344][ T10] process_one_work+0x84d/0x18a0 [ 8643.224344][ T10] worker_thread+0x587/0xd30 [ 8643.224344][ T10] kthread+0x28a/0x350 [ 8643.224344][ T10] ret_from_fork+0x31/0x70 [ 8643.224344][ T10] ret_from_fork_asm+0x1a/0x30 [ 8643.224344][ T10] [ 8643.226260][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8643.226260][ T10] netdev_get_by_index+0x5e/0x80 [ 8643.226260][ T10] fib6_nh_init+0x3d8/0x1580 [ 8643.226260][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8643.226260][ T10] ip6_route_add+0x1c/0x140 [ 8643.226260][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8643.226260][ T10] inet6_addr_add+0x4f8/0xa40 [ 8643.226260][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8643.226260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8643.226260][ T10] netlink_rcv_skb+0x130/0x360 [ 8643.226260][ T10] netlink_unicast+0x449/0x710 [ 8643.226260][ T10] netlink_sendmsg+0x723/0xbe0 [ 8643.226260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8643.226260][ T10] ___sys_sendmsg+0xee/0x170 [ 8643.226260][ T10] __sys_sendmsg+0xcd/0x170 [ 8643.226260][ T10] do_syscall_64+0xc6/0x1e0 [ 8643.226260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8643.226260][ T10] [ 8643.228476][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8643.228476][ T10] netdev_get_by_index+0x5e/0x80 [ 8643.228476][ T10] fib6_nh_init+0x3d8/0x1580 [ 8643.228476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8643.228476][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8643.228476][ T10] ipv6_add_addr+0x411/0x2000 [ 8643.228476][ T10] inet6_addr_add+0x30e/0xa40 [ 8643.228476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8643.228476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8643.228476][ T10] netlink_rcv_skb+0x130/0x360 [ 8643.228476][ T10] netlink_unicast+0x449/0x710 [ 8643.228476][ T10] netlink_sendmsg+0x723/0xbe0 [ 8643.228476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8643.228476][ T10] ___sys_sendmsg+0xee/0x170 [ 8643.228476][ T10] __sys_sendmsg+0xcd/0x170 [ 8643.228476][ T10] do_syscall_64+0xc6/0x1e0 [ 8643.228476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8643.228476][ T10] [ 8643.230799][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8643.230799][ T10] netdev_get_by_index+0x5e/0x80 [ 8643.230799][ T10] fib6_nh_init+0x3d8/0x1580 [ 8643.230799][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8643.230799][ T10] ip6_route_add+0x1c/0x140 [ 8643.230799][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8643.230799][ T10] addrconf_add_dev+0xe2/0x170 [ 8643.230799][ T10] inet6_addr_add+0x12f/0xa40 [ 8643.230799][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8643.230799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8643.230799][ T10] netlink_rcv_skb+0x130/0x360 [ 8643.230799][ T10] netlink_unicast+0x449/0x710 [ 8643.230799][ T10] netlink_sendmsg+0x723/0xbe0 [ 8643.230799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8643.230799][ T10] ___sys_sendmsg+0xee/0x170 [ 8643.230799][ T10] __sys_sendmsg+0xcd/0x170 [ 8643.230799][ T10] do_syscall_64+0xc6/0x1e0 [ 8643.230799][ T10] [ 8643.232952][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8643.232952][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8643.232952][ T10] ipv6_find_idev+0x102/0x170 [ 8643.232952][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8643.232952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8643.232952][ T10] netlink_rcv_skb+0x130/0x360 [ 8643.232952][ T10] netlink_unicast+0x449/0x710 [ 8643.232952][ T10] netlink_sendmsg+0x723/0xbe0 [ 8643.232952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8643.232952][ T10] ___sys_sendmsg+0xee/0x170 [ 8643.232952][ T10] __sys_sendmsg+0xcd/0x170 [ 8643.232952][ T10] do_syscall_64+0xc6/0x1e0 [ 8643.232952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8643.232952][ T10] [ 8643.234679][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8643.234679][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8643.234679][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8643.234679][ T10] ipv6_find_idev+0x102/0x170 [ 8643.234679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8643.234679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8643.234679][ T10] netlink_rcv_skb+0x130/0x360 [ 8643.234679][ T10] netlink_unicast+0x449/0x710 [ 8643.234679][ T10] netlink_sendmsg+0x723/0xbe0 [ 8643.234679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8643.234679][ T10] ___sys_sendmsg+0xee/0x170 [ 8643.234679][ T10] __sys_sendmsg+0xcd/0x170 [ 8643.234679][ T10] do_syscall_64+0xc6/0x1e0 [ 8643.234679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8643.234679][ T10] [ 8643.236615][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8643.236854][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8643.236854][ T10] netdev_get_by_index+0x5e/0x80 [ 8643.236854][ T10] fib6_nh_init+0x3d8/0x1580 [ 8643.236854][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8643.236854][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8643.236854][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8643.236854][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8643.236854][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8643.236854][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8643.236854][ T10] addrconf_dad_begin+0x310/0x670 [ 8643.236854][ T10] addrconf_dad_work+0x10b/0xab0 [ 8643.236854][ T10] process_one_work+0x84d/0x18a0 [ 8643.236854][ T10] worker_thread+0x587/0xd30 [ 8643.236854][ T10] kthread+0x28a/0x350 [ 8643.236854][ T10] ret_from_fork+0x31/0x70 [ 8643.236854][ T10] ret_from_fork_asm+0x1a/0x30 [ 8643.236854][ T10] [ 8643.239094][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8643.239094][ T10] netdev_get_by_index+0x5e/0x80 [ 8643.239094][ T10] fib6_nh_init+0x3d8/0x1580 [ 8643.239094][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8643.239094][ T10] ip6_route_add+0x1c/0x140 [ 8643.239094][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8643.239094][ T10] inet6_addr_add+0x4f8/0xa40 [ 8643.239094][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8643.239094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8643.239094][ T10] netlink_rcv_skb+0x130/0x360 [ 8643.239094][ T10] netlink_unicast+0x449/0x710 [ 8643.239094][ T10] netlink_sendmsg+0x723/0xbe0 [ 8643.239094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8643.239094][ T10] ___sys_sendmsg+0xee/0x170 [ 8643.239094][ T10] __sys_sendmsg+0xcd/0x170 [ 8643.239094][ T10] do_syscall_64+0xc6/0x1e0 [ 8643.239094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8643.239094][ T10] [ 8643.241278][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8643.241278][ T10] netdev_get_by_index+0x5e/0x80 [ 8643.241278][ T10] fib6_nh_init+0x3d8/0x1580 [ 8643.241278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8643.241278][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8643.241278][ T10] ipv6_add_addr+0x411/0x2000 [ 8643.241278][ T10] inet6_addr_add+0x30e/0xa40 [ 8643.241278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8643.241278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8643.241278][ T10] netlink_rcv_skb+0x130/0x360 [ 8643.241278][ T10] netlink_unicast+0x449/0x710 [ 8643.241278][ T10] netlink_sendmsg+0x723/0xbe0 [ 8643.241278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8643.241278][ T10] ___sys_sendmsg+0xee/0x170 [ 8643.241278][ T10] __sys_sendmsg+0xcd/0x170 [ 8643.241278][ T10] do_syscall_64+0xc6/0x1e0 [ 8643.241278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8643.241278][ T10] [ 8643.244044][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8643.244044][ T10] netdev_get_by_index+0x5e/0x80 [ 8643.244044][ T10] fib6_nh_init+0x3d8/0x1580 [ 8643.244044][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8643.244044][ T10] ip6_route_add+0x1c/0x140 [ 8643.244044][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8643.244044][ T10] addrconf_add_dev+0xe2/0x170 [ 8643.244044][ T10] inet6_addr_add+0x12f/0xa40 [ 8643.244044][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8643.244044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8643.244044][ T10] netlink_rcv_skb+0x130/0x360 [ 8643.244044][ T10] netlink_unicast+0x449/0x710 [ 8643.244044][ T10] netlink_sendmsg+0x723/0xbe0 [ 8643.244044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8643.244044][ T10] ___sys_sendmsg+0xee/0x170 [ 8643.244044][ T10] __sys_sendmsg+0xcd/0x170 [ 8643.244044][ T10] do_syscall_64+0xc6/0x1e0 [ 8643.244044][ T10] [ 8643.246260][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8643.246260][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8643.246260][ T10] ipv6_find_idev+0x102/0x170 [ 8643.246260][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8643.246260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8643.246260][ T10] netlink_rcv_skb+0x130/0x360 [ 8643.246260][ T10] netlink_unicast+0x449/0x710 [ 8643.246260][ T10] netlink_sendmsg+0x723/0xbe0 [ 8643.246260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8643.246260][ T10] ___sys_sendmsg+0xee/0x170 [ 8643.246260][ T10] __sys_sendmsg+0xcd/0x170 [ 8643.246260][ T10] do_syscall_64+0xc6/0x1e0 [ 8643.246260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8643.246260][ T10] [ 8643.247988][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8643.247988][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8643.247988][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8643.247988][ T10] ipv6_find_idev+0x102/0x170 [ 8643.247988][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8643.247988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8643.247988][ T10] netlink_rcv_skb+0x130/0x360 [ 8643.247988][ T10] netlink_unicast+0x449/0x710 [ 8643.247988][ T10] netlink_sendmsg+0x723/0xbe0 [ 8643.247988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8643.247988][ T10] ___sys_sendmsg+0xee/0x170 [ 8643.247988][ T10] __sys_sendmsg+0xcd/0x170 [ 8643.247988][ T10] do_syscall_64+0xc6/0x1e0 [ 8643.247988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8643.247988][ T10] [ 8652.897095][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8652.897597][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8652.897597][ T1167] dst_init+0x84/0x4a0 [ 8652.897597][ T1167] dst_alloc+0x97/0x150 [ 8652.897597][ T1167] ip6_dst_alloc+0x23/0x90 [ 8652.897597][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8652.897597][ T1167] ip6_pol_route+0x56f/0x840 [ 8652.897597][ T1167] fib6_rule_lookup+0x334/0x630 [ 8652.897597][ T1167] ip6_route_output_flags+0x259/0x480 [ 8652.897597][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8652.897597][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8652.897597][ T1167] netlink_rcv_skb+0x130/0x360 [ 8652.897597][ T1167] netlink_unicast+0x449/0x710 [ 8652.897597][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8652.897597][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8652.897597][ T1167] ___sys_sendmsg+0xee/0x170 [ 8652.897597][ T1167] __sys_sendmsg+0xcd/0x170 [ 8652.897597][ T1167] do_syscall_64+0xc6/0x1e0 [ 8652.897597][ T1167] [ 8652.899792][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8652.899792][ T1167] netdev_get_by_index+0x5e/0x80 [ 8652.899792][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8652.899792][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8652.899792][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8652.899792][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8652.899792][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8652.899792][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8652.899792][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8652.899792][ T1167] addrconf_dad_begin+0x310/0x670 [ 8652.899792][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8652.899792][ T1167] process_one_work+0x84d/0x18a0 [ 8652.899792][ T1167] worker_thread+0x587/0xd30 [ 8652.899792][ T1167] kthread+0x28a/0x350 [ 8652.899792][ T1167] ret_from_fork+0x31/0x70 [ 8652.899792][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8652.899792][ T1167] [ 8652.901923][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8652.901923][ T1167] netdev_get_by_index+0x5e/0x80 [ 8652.901923][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8652.901923][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8652.901923][ T1167] ip6_route_add+0x1c/0x140 [ 8652.901923][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8652.901923][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8652.901923][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8652.901923][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8652.901923][ T1167] netlink_rcv_skb+0x130/0x360 [ 8652.901923][ T1167] netlink_unicast+0x449/0x710 [ 8652.901923][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8652.901923][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8652.901923][ T1167] ___sys_sendmsg+0xee/0x170 [ 8652.901923][ T1167] __sys_sendmsg+0xcd/0x170 [ 8652.901923][ T1167] do_syscall_64+0xc6/0x1e0 [ 8652.901923][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8652.901923][ T1167] [ 8652.904172][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8652.904172][ T1167] netdev_get_by_index+0x5e/0x80 [ 8652.904172][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8652.904172][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8652.904172][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8652.904172][ T1167] ipv6_add_addr+0x411/0x2000 [ 8652.904172][ T1167] inet6_addr_add+0x30e/0xa40 [ 8652.904172][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8652.904172][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8652.904172][ T1167] netlink_rcv_skb+0x130/0x360 [ 8652.904172][ T1167] netlink_unicast+0x449/0x710 [ 8652.904172][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8652.904172][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8652.904172][ T1167] ___sys_sendmsg+0xee/0x170 [ 8652.904172][ T1167] __sys_sendmsg+0xcd/0x170 [ 8652.904172][ T1167] do_syscall_64+0xc6/0x1e0 [ 8652.904172][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8652.904172][ T1167] [ 8652.906410][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8652.906410][ T1167] netdev_get_by_index+0x5e/0x80 [ 8652.906410][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8652.906410][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8652.906410][ T1167] ip6_route_add+0x1c/0x140 [ 8652.906410][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8652.906410][ T1167] addrconf_add_dev+0xe2/0x170 [ 8652.906410][ T1167] inet6_addr_add+0x12f/0xa40 [ 8652.906410][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8652.906410][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8652.906410][ T1167] netlink_rcv_skb+0x130/0x360 [ 8652.906410][ T1167] netlink_unicast+0x449/0x710 [ 8652.906410][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8652.906410][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8652.906410][ T1167] ___sys_sendmsg+0xee/0x170 [ 8652.906410][ T1167] __sys_sendmsg+0xcd/0x170 [ 8652.906410][ T1167] do_syscall_64+0xc6/0x1e0 [ 8652.906410][ T1167] [ 8652.908610][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8652.908610][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8652.908610][ T1167] ipv6_find_idev+0x102/0x170 [ 8652.908610][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8652.908610][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8652.908610][ T1167] netlink_rcv_skb+0x130/0x360 [ 8652.908610][ T1167] netlink_unicast+0x449/0x710 [ 8652.908610][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8652.908610][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8652.908610][ T1167] ___sys_sendmsg+0xee/0x170 [ 8652.908610][ T1167] __sys_sendmsg+0xcd/0x170 [ 8652.908610][ T1167] do_syscall_64+0xc6/0x1e0 [ 8652.908610][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8652.908610][ T1167] [ 8652.910325][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8652.910325][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8652.910325][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8652.910325][ T1167] ipv6_find_idev+0x102/0x170 [ 8652.910325][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8652.910325][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8652.910325][ T1167] netlink_rcv_skb+0x130/0x360 [ 8652.910325][ T1167] netlink_unicast+0x449/0x710 [ 8652.910325][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8652.910325][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8652.910325][ T1167] ___sys_sendmsg+0xee/0x170 [ 8652.910325][ T1167] __sys_sendmsg+0xcd/0x170 [ 8652.910325][ T1167] do_syscall_64+0xc6/0x1e0 [ 8652.910325][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8652.910325][ T1167] [ 8653.409101][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8653.409469][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8653.409469][ T10] netdev_get_by_index+0x5e/0x80 [ 8653.409469][ T10] fib6_nh_init+0x3d8/0x1580 [ 8653.409469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8653.409469][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8653.409469][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8653.409469][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8653.409469][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8653.409469][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8653.409469][ T10] addrconf_dad_begin+0x310/0x670 [ 8653.409469][ T10] addrconf_dad_work+0x10b/0xab0 [ 8653.409469][ T10] process_one_work+0x84d/0x18a0 [ 8653.409469][ T10] worker_thread+0x587/0xd30 [ 8653.409469][ T10] kthread+0x28a/0x350 [ 8653.409469][ T10] ret_from_fork+0x31/0x70 [ 8653.409469][ T10] ret_from_fork_asm+0x1a/0x30 [ 8653.409469][ T10] [ 8653.411409][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8653.411409][ T10] netdev_get_by_index+0x5e/0x80 [ 8653.411409][ T10] fib6_nh_init+0x3d8/0x1580 [ 8653.411409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8653.411409][ T10] ip6_route_add+0x1c/0x140 [ 8653.411409][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8653.411409][ T10] inet6_addr_add+0x4f8/0xa40 [ 8653.411409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8653.411409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8653.411409][ T10] netlink_rcv_skb+0x130/0x360 [ 8653.411409][ T10] netlink_unicast+0x449/0x710 [ 8653.411409][ T10] netlink_sendmsg+0x723/0xbe0 [ 8653.411409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8653.411409][ T10] ___sys_sendmsg+0xee/0x170 [ 8653.411409][ T10] __sys_sendmsg+0xcd/0x170 [ 8653.411409][ T10] do_syscall_64+0xc6/0x1e0 [ 8653.411409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8653.411409][ T10] [ 8653.413428][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8653.413428][ T10] netdev_get_by_index+0x5e/0x80 [ 8653.413428][ T10] fib6_nh_init+0x3d8/0x1580 [ 8653.413428][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8653.413428][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8653.413428][ T10] ipv6_add_addr+0x411/0x2000 [ 8653.413428][ T10] inet6_addr_add+0x30e/0xa40 [ 8653.413428][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8653.413428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8653.413428][ T10] netlink_rcv_skb+0x130/0x360 [ 8653.413428][ T10] netlink_unicast+0x449/0x710 [ 8653.413428][ T10] netlink_sendmsg+0x723/0xbe0 [ 8653.413428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8653.413428][ T10] ___sys_sendmsg+0xee/0x170 [ 8653.413428][ T10] __sys_sendmsg+0xcd/0x170 [ 8653.413428][ T10] do_syscall_64+0xc6/0x1e0 [ 8653.413428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8653.413428][ T10] [ 8653.415432][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8653.415432][ T10] netdev_get_by_index+0x5e/0x80 [ 8653.415432][ T10] fib6_nh_init+0x3d8/0x1580 [ 8653.415432][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8653.415432][ T10] ip6_route_add+0x1c/0x140 [ 8653.415432][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8653.415432][ T10] addrconf_add_dev+0xe2/0x170 [ 8653.415432][ T10] inet6_addr_add+0x12f/0xa40 [ 8653.415432][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8653.415432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8653.415432][ T10] netlink_rcv_skb+0x130/0x360 [ 8653.415432][ T10] netlink_unicast+0x449/0x710 [ 8653.415432][ T10] netlink_sendmsg+0x723/0xbe0 [ 8653.415432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8653.415432][ T10] ___sys_sendmsg+0xee/0x170 [ 8653.415432][ T10] __sys_sendmsg+0xcd/0x170 [ 8653.415432][ T10] do_syscall_64+0xc6/0x1e0 [ 8653.415432][ T10] [ 8653.417405][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8653.417405][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8653.417405][ T10] ipv6_find_idev+0x102/0x170 [ 8653.417405][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8653.417405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8653.417405][ T10] netlink_rcv_skb+0x130/0x360 [ 8653.417405][ T10] netlink_unicast+0x449/0x710 [ 8653.417405][ T10] netlink_sendmsg+0x723/0xbe0 [ 8653.417405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8653.417405][ T10] ___sys_sendmsg+0xee/0x170 [ 8653.417405][ T10] __sys_sendmsg+0xcd/0x170 [ 8653.417405][ T10] do_syscall_64+0xc6/0x1e0 [ 8653.417405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8653.417405][ T10] [ 8653.418960][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8653.418960][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8653.418960][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8653.418960][ T10] ipv6_find_idev+0x102/0x170 [ 8653.418960][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8653.418960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8653.418960][ T10] netlink_rcv_skb+0x130/0x360 [ 8653.418960][ T10] netlink_unicast+0x449/0x710 [ 8653.418960][ T10] netlink_sendmsg+0x723/0xbe0 [ 8653.418960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8653.418960][ T10] ___sys_sendmsg+0xee/0x170 [ 8653.418960][ T10] __sys_sendmsg+0xcd/0x170 [ 8653.418960][ T10] do_syscall_64+0xc6/0x1e0 [ 8653.418960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8653.418960][ T10] [ 8653.420656][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8653.420896][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8653.420896][ T10] netdev_get_by_index+0x5e/0x80 [ 8653.420896][ T10] fib6_nh_init+0x3d8/0x1580 [ 8653.420896][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8653.420896][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8653.420896][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8653.420896][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8653.420896][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8653.420896][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8653.420896][ T10] addrconf_dad_begin+0x310/0x670 [ 8653.420896][ T10] addrconf_dad_work+0x10b/0xab0 [ 8653.420896][ T10] process_one_work+0x84d/0x18a0 [ 8653.420896][ T10] worker_thread+0x587/0xd30 [ 8653.420896][ T10] kthread+0x28a/0x350 [ 8653.420896][ T10] ret_from_fork+0x31/0x70 [ 8653.420896][ T10] ret_from_fork_asm+0x1a/0x30 [ 8653.420896][ T10] [ 8653.422815][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8653.422815][ T10] netdev_get_by_index+0x5e/0x80 [ 8653.422815][ T10] fib6_nh_init+0x3d8/0x1580 [ 8653.422815][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8653.422815][ T10] ip6_route_add+0x1c/0x140 [ 8653.422815][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8653.422815][ T10] inet6_addr_add+0x4f8/0xa40 [ 8653.422815][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8653.422815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8653.422815][ T10] netlink_rcv_skb+0x130/0x360 [ 8653.422815][ T10] netlink_unicast+0x449/0x710 [ 8653.422815][ T10] netlink_sendmsg+0x723/0xbe0 [ 8653.422815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8653.422815][ T10] ___sys_sendmsg+0xee/0x170 [ 8653.422815][ T10] __sys_sendmsg+0xcd/0x170 [ 8653.422815][ T10] do_syscall_64+0xc6/0x1e0 [ 8653.422815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8653.422815][ T10] [ 8653.424835][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8653.424835][ T10] netdev_get_by_index+0x5e/0x80 [ 8653.424835][ T10] fib6_nh_init+0x3d8/0x1580 [ 8653.424835][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8653.424835][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8653.424835][ T10] ipv6_add_addr+0x411/0x2000 [ 8653.424835][ T10] inet6_addr_add+0x30e/0xa40 [ 8653.424835][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8653.424835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8653.424835][ T10] netlink_rcv_skb+0x130/0x360 [ 8653.424835][ T10] netlink_unicast+0x449/0x710 [ 8653.424835][ T10] netlink_sendmsg+0x723/0xbe0 [ 8653.424835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8653.424835][ T10] ___sys_sendmsg+0xee/0x170 [ 8653.424835][ T10] __sys_sendmsg+0xcd/0x170 [ 8653.424835][ T10] do_syscall_64+0xc6/0x1e0 [ 8653.424835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8653.424835][ T10] [ 8653.426862][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8653.426862][ T10] netdev_get_by_index+0x5e/0x80 [ 8653.426862][ T10] fib6_nh_init+0x3d8/0x1580 [ 8653.426862][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8653.426862][ T10] ip6_route_add+0x1c/0x140 [ 8653.426862][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8653.426862][ T10] addrconf_add_dev+0xe2/0x170 [ 8653.426862][ T10] inet6_addr_add+0x12f/0xa40 [ 8653.426862][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8653.426862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8653.426862][ T10] netlink_rcv_skb+0x130/0x360 [ 8653.426862][ T10] netlink_unicast+0x449/0x710 [ 8653.426862][ T10] netlink_sendmsg+0x723/0xbe0 [ 8653.426862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8653.426862][ T10] ___sys_sendmsg+0xee/0x170 [ 8653.426862][ T10] __sys_sendmsg+0xcd/0x170 [ 8653.426862][ T10] do_syscall_64+0xc6/0x1e0 [ 8653.426862][ T10] [ 8653.428848][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8653.428848][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8653.428848][ T10] ipv6_find_idev+0x102/0x170 [ 8653.428848][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8653.428848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8653.428848][ T10] netlink_rcv_skb+0x130/0x360 [ 8653.428848][ T10] netlink_unicast+0x449/0x710 [ 8653.428848][ T10] netlink_sendmsg+0x723/0xbe0 [ 8653.428848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8653.428848][ T10] ___sys_sendmsg+0xee/0x170 [ 8653.428848][ T10] __sys_sendmsg+0xcd/0x170 [ 8653.428848][ T10] do_syscall_64+0xc6/0x1e0 [ 8653.428848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8653.428848][ T10] [ 8653.430397][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8653.430397][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8653.430397][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8653.430397][ T10] ipv6_find_idev+0x102/0x170 [ 8653.430397][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8653.430397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8653.430397][ T10] netlink_rcv_skb+0x130/0x360 [ 8653.430397][ T10] netlink_unicast+0x449/0x710 [ 8653.430397][ T10] netlink_sendmsg+0x723/0xbe0 [ 8653.430397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8653.430397][ T10] ___sys_sendmsg+0xee/0x170 [ 8653.430397][ T10] __sys_sendmsg+0xcd/0x170 [ 8653.430397][ T10] do_syscall_64+0xc6/0x1e0 [ 8653.430397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8653.430397][ T10] [ 8653.432097][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8653.432339][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8653.432339][ T10] netdev_get_by_index+0x5e/0x80 [ 8653.432339][ T10] fib6_nh_init+0x3d8/0x1580 [ 8653.432339][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8653.432339][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8653.432339][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8653.432339][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8653.432339][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8653.432339][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8653.432339][ T10] addrconf_dad_begin+0x310/0x670 [ 8653.432339][ T10] addrconf_dad_work+0x10b/0xab0 [ 8653.432339][ T10] process_one_work+0x84d/0x18a0 [ 8653.432339][ T10] worker_thread+0x587/0xd30 [ 8653.432339][ T10] kthread+0x28a/0x350 [ 8653.432339][ T10] ret_from_fork+0x31/0x70 [ 8653.432339][ T10] ret_from_fork_asm+0x1a/0x30 [ 8653.432339][ T10] [ 8653.434267][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8653.434267][ T10] netdev_get_by_index+0x5e/0x80 [ 8653.434267][ T10] fib6_nh_init+0x3d8/0x1580 [ 8653.434267][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8653.434267][ T10] ip6_route_add+0x1c/0x140 [ 8653.434267][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8653.434267][ T10] inet6_addr_add+0x4f8/0xa40 [ 8653.434267][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8653.434267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8653.434267][ T10] netlink_rcv_skb+0x130/0x360 [ 8653.434267][ T10] netlink_unicast+0x449/0x710 [ 8653.434267][ T10] netlink_sendmsg+0x723/0xbe0 [ 8653.434267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8653.434267][ T10] ___sys_sendmsg+0xee/0x170 [ 8653.434267][ T10] __sys_sendmsg+0xcd/0x170 [ 8653.434267][ T10] do_syscall_64+0xc6/0x1e0 [ 8653.434267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8653.434267][ T10] [ 8653.436496][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8653.436496][ T10] netdev_get_by_index+0x5e/0x80 [ 8653.436496][ T10] fib6_nh_init+0x3d8/0x1580 [ 8653.436496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8653.436496][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8653.436496][ T10] ipv6_add_addr+0x411/0x2000 [ 8653.436496][ T10] inet6_addr_add+0x30e/0xa40 [ 8653.436496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8653.436496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8653.436496][ T10] netlink_rcv_skb+0x130/0x360 [ 8653.436496][ T10] netlink_unicast+0x449/0x710 [ 8653.436496][ T10] netlink_sendmsg+0x723/0xbe0 [ 8653.436496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8653.436496][ T10] ___sys_sendmsg+0xee/0x170 [ 8653.436496][ T10] __sys_sendmsg+0xcd/0x170 [ 8653.436496][ T10] do_syscall_64+0xc6/0x1e0 [ 8653.436496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8653.436496][ T10] [ 8653.438822][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8653.438822][ T10] netdev_get_by_index+0x5e/0x80 [ 8653.438822][ T10] fib6_nh_init+0x3d8/0x1580 [ 8653.438822][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8653.438822][ T10] ip6_route_add+0x1c/0x140 [ 8653.438822][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8653.438822][ T10] addrconf_add_dev+0xe2/0x170 [ 8653.438822][ T10] inet6_addr_add+0x12f/0xa40 [ 8653.438822][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8653.438822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8653.438822][ T10] netlink_rcv_skb+0x130/0x360 [ 8653.438822][ T10] netlink_unicast+0x449/0x710 [ 8653.438822][ T10] netlink_sendmsg+0x723/0xbe0 [ 8653.438822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8653.438822][ T10] ___sys_sendmsg+0xee/0x170 [ 8653.438822][ T10] __sys_sendmsg+0xcd/0x170 [ 8653.438822][ T10] do_syscall_64+0xc6/0x1e0 [ 8653.438822][ T10] [ 8653.440977][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8653.440977][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8653.440977][ T10] ipv6_find_idev+0x102/0x170 [ 8653.440977][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8653.440977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8653.440977][ T10] netlink_rcv_skb+0x130/0x360 [ 8653.440977][ T10] netlink_unicast+0x449/0x710 [ 8653.440977][ T10] netlink_sendmsg+0x723/0xbe0 [ 8653.440977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8653.440977][ T10] ___sys_sendmsg+0xee/0x170 [ 8653.440977][ T10] __sys_sendmsg+0xcd/0x170 [ 8653.440977][ T10] do_syscall_64+0xc6/0x1e0 [ 8653.440977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8653.440977][ T10] [ 8653.442718][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8653.442718][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8653.442718][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8653.442718][ T10] ipv6_find_idev+0x102/0x170 [ 8653.442718][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8653.442718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8653.442718][ T10] netlink_rcv_skb+0x130/0x360 [ 8653.442718][ T10] netlink_unicast+0x449/0x710 [ 8653.442718][ T10] netlink_sendmsg+0x723/0xbe0 [ 8653.442718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8653.442718][ T10] ___sys_sendmsg+0xee/0x170 [ 8653.442718][ T10] __sys_sendmsg+0xcd/0x170 [ 8653.442718][ T10] do_syscall_64+0xc6/0x1e0 [ 8653.442718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8653.442718][ T10] [ 8653.444654][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8653.444893][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8653.444893][ T10] netdev_get_by_index+0x5e/0x80 [ 8653.444893][ T10] fib6_nh_init+0x3d8/0x1580 [ 8653.444893][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8653.444893][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8653.444893][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8653.444893][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8653.444893][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8653.444893][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8653.444893][ T10] addrconf_dad_begin+0x310/0x670 [ 8653.444893][ T10] addrconf_dad_work+0x10b/0xab0 [ 8653.444893][ T10] process_one_work+0x84d/0x18a0 [ 8653.444893][ T10] worker_thread+0x587/0xd30 [ 8653.444893][ T10] kthread+0x28a/0x350 [ 8653.444893][ T10] ret_from_fork+0x31/0x70 [ 8653.444893][ T10] ret_from_fork_asm+0x1a/0x30 [ 8653.444893][ T10] [ 8653.447119][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8653.447119][ T10] netdev_get_by_index+0x5e/0x80 [ 8653.447119][ T10] fib6_nh_init+0x3d8/0x1580 [ 8653.447119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8653.447119][ T10] ip6_route_add+0x1c/0x140 [ 8653.447119][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8653.447119][ T10] inet6_addr_add+0x4f8/0xa40 [ 8653.447119][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8653.447119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8653.447119][ T10] netlink_rcv_skb+0x130/0x360 [ 8653.447119][ T10] netlink_unicast+0x449/0x710 [ 8653.447119][ T10] netlink_sendmsg+0x723/0xbe0 [ 8653.447119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8653.447119][ T10] ___sys_sendmsg+0xee/0x170 [ 8653.447119][ T10] __sys_sendmsg+0xcd/0x170 [ 8653.447119][ T10] do_syscall_64+0xc6/0x1e0 [ 8653.447119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8653.447119][ T10] [ 8653.449324][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8653.449324][ T10] netdev_get_by_index+0x5e/0x80 [ 8653.449324][ T10] fib6_nh_init+0x3d8/0x1580 [ 8653.449324][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8653.449324][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8653.449324][ T10] ipv6_add_addr+0x411/0x2000 [ 8653.449324][ T10] inet6_addr_add+0x30e/0xa40 [ 8653.449324][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8653.449324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8653.449324][ T10] netlink_rcv_skb+0x130/0x360 [ 8653.449324][ T10] netlink_unicast+0x449/0x710 [ 8653.449324][ T10] netlink_sendmsg+0x723/0xbe0 [ 8653.449324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8653.449324][ T10] ___sys_sendmsg+0xee/0x170 [ 8653.449324][ T10] __sys_sendmsg+0xcd/0x170 [ 8653.449324][ T10] do_syscall_64+0xc6/0x1e0 [ 8653.449324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8653.449324][ T10] [ 8653.451571][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8653.451571][ T10] netdev_get_by_index+0x5e/0x80 [ 8653.451571][ T10] fib6_nh_init+0x3d8/0x1580 [ 8653.451571][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8653.451571][ T10] ip6_route_add+0x1c/0x140 [ 8653.451571][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8653.451571][ T10] addrconf_add_dev+0xe2/0x170 [ 8653.451571][ T10] inet6_addr_add+0x12f/0xa40 [ 8653.451571][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8653.451571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8653.451571][ T10] netlink_rcv_skb+0x130/0x360 [ 8653.451571][ T10] netlink_unicast+0x449/0x710 [ 8653.451571][ T10] netlink_sendmsg+0x723/0xbe0 [ 8653.451571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8653.451571][ T10] ___sys_sendmsg+0xee/0x170 [ 8653.451571][ T10] __sys_sendmsg+0xcd/0x170 [ 8653.451571][ T10] do_syscall_64+0xc6/0x1e0 [ 8653.451571][ T10] [ 8653.453793][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8653.453793][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8653.453793][ T10] ipv6_find_idev+0x102/0x170 [ 8653.453793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8653.453793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8653.453793][ T10] netlink_rcv_skb+0x130/0x360 [ 8653.453793][ T10] netlink_unicast+0x449/0x710 [ 8653.453793][ T10] netlink_sendmsg+0x723/0xbe0 [ 8653.453793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8653.453793][ T10] ___sys_sendmsg+0xee/0x170 [ 8653.453793][ T10] __sys_sendmsg+0xcd/0x170 [ 8653.453793][ T10] do_syscall_64+0xc6/0x1e0 [ 8653.453793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8653.453793][ T10] [ 8653.455526][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8653.455526][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8653.455526][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8653.455526][ T10] ipv6_find_idev+0x102/0x170 [ 8653.455526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8653.455526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8653.455526][ T10] netlink_rcv_skb+0x130/0x360 [ 8653.455526][ T10] netlink_unicast+0x449/0x710 [ 8653.455526][ T10] netlink_sendmsg+0x723/0xbe0 [ 8653.455526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8653.455526][ T10] ___sys_sendmsg+0xee/0x170 [ 8653.455526][ T10] __sys_sendmsg+0xcd/0x170 [ 8653.455526][ T10] do_syscall_64+0xc6/0x1e0 [ 8653.455526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8653.455526][ T10] [ 8662.937114][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8662.937596][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8662.937596][ T1167] dst_init+0x84/0x4a0 [ 8662.937596][ T1167] dst_alloc+0x97/0x150 [ 8662.937596][ T1167] ip6_dst_alloc+0x23/0x90 [ 8662.937596][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8662.937596][ T1167] ip6_pol_route+0x56f/0x840 [ 8662.937596][ T1167] fib6_rule_lookup+0x334/0x630 [ 8662.937596][ T1167] ip6_route_output_flags+0x259/0x480 [ 8662.937596][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8662.937596][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8662.937596][ T1167] netlink_rcv_skb+0x130/0x360 [ 8662.937596][ T1167] netlink_unicast+0x449/0x710 [ 8662.937596][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8662.937596][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8662.937596][ T1167] ___sys_sendmsg+0xee/0x170 [ 8662.937596][ T1167] __sys_sendmsg+0xcd/0x170 [ 8662.937596][ T1167] do_syscall_64+0xc6/0x1e0 [ 8662.937596][ T1167] [ 8662.939809][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8662.939809][ T1167] netdev_get_by_index+0x5e/0x80 [ 8662.939809][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8662.939809][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8662.939809][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8662.939809][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8662.939809][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8662.939809][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8662.939809][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8662.939809][ T1167] addrconf_dad_begin+0x310/0x670 [ 8662.939809][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8662.939809][ T1167] process_one_work+0x84d/0x18a0 [ 8662.939809][ T1167] worker_thread+0x587/0xd30 [ 8662.939809][ T1167] kthread+0x28a/0x350 [ 8662.939809][ T1167] ret_from_fork+0x31/0x70 [ 8662.939809][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8662.939809][ T1167] [ 8662.941948][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8662.941948][ T1167] netdev_get_by_index+0x5e/0x80 [ 8662.941948][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8662.941948][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8662.941948][ T1167] ip6_route_add+0x1c/0x140 [ 8662.941948][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8662.941948][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8662.941948][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8662.941948][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8662.941948][ T1167] netlink_rcv_skb+0x130/0x360 [ 8662.941948][ T1167] netlink_unicast+0x449/0x710 [ 8662.941948][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8662.941948][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8662.941948][ T1167] ___sys_sendmsg+0xee/0x170 [ 8662.941948][ T1167] __sys_sendmsg+0xcd/0x170 [ 8662.941948][ T1167] do_syscall_64+0xc6/0x1e0 [ 8662.941948][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8662.941948][ T1167] [ 8662.944186][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8662.944186][ T1167] netdev_get_by_index+0x5e/0x80 [ 8662.944186][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8662.944186][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8662.944186][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8662.944186][ T1167] ipv6_add_addr+0x411/0x2000 [ 8662.944186][ T1167] inet6_addr_add+0x30e/0xa40 [ 8662.944186][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8662.944186][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8662.944186][ T1167] netlink_rcv_skb+0x130/0x360 [ 8662.944186][ T1167] netlink_unicast+0x449/0x710 [ 8662.944186][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8662.944186][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8662.944186][ T1167] ___sys_sendmsg+0xee/0x170 [ 8662.944186][ T1167] __sys_sendmsg+0xcd/0x170 [ 8662.944186][ T1167] do_syscall_64+0xc6/0x1e0 [ 8662.944186][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8662.944186][ T1167] [ 8662.946418][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8662.946418][ T1167] netdev_get_by_index+0x5e/0x80 [ 8662.946418][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8662.946418][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8662.946418][ T1167] ip6_route_add+0x1c/0x140 [ 8662.946418][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8662.946418][ T1167] addrconf_add_dev+0xe2/0x170 [ 8662.946418][ T1167] inet6_addr_add+0x12f/0xa40 [ 8662.946418][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8662.946418][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8662.946418][ T1167] netlink_rcv_skb+0x130/0x360 [ 8662.946418][ T1167] netlink_unicast+0x449/0x710 [ 8662.946418][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8662.946418][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8662.946418][ T1167] ___sys_sendmsg+0xee/0x170 [ 8662.946418][ T1167] __sys_sendmsg+0xcd/0x170 [ 8662.946418][ T1167] do_syscall_64+0xc6/0x1e0 [ 8662.946418][ T1167] [ 8662.948622][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8662.948622][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8662.948622][ T1167] ipv6_find_idev+0x102/0x170 [ 8662.948622][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8662.948622][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8662.948622][ T1167] netlink_rcv_skb+0x130/0x360 [ 8662.948622][ T1167] netlink_unicast+0x449/0x710 [ 8662.948622][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8662.948622][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8662.948622][ T1167] ___sys_sendmsg+0xee/0x170 [ 8662.948622][ T1167] __sys_sendmsg+0xcd/0x170 [ 8662.948622][ T1167] do_syscall_64+0xc6/0x1e0 [ 8662.948622][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8662.948622][ T1167] [ 8662.950343][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8662.950343][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8662.950343][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8662.950343][ T1167] ipv6_find_idev+0x102/0x170 [ 8662.950343][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8662.950343][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8662.950343][ T1167] netlink_rcv_skb+0x130/0x360 [ 8662.950343][ T1167] netlink_unicast+0x449/0x710 [ 8662.950343][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8662.950343][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8662.950343][ T1167] ___sys_sendmsg+0xee/0x170 [ 8662.950343][ T1167] __sys_sendmsg+0xcd/0x170 [ 8662.950343][ T1167] do_syscall_64+0xc6/0x1e0 [ 8662.950343][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8662.950343][ T1167] [ 8663.705104][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8663.705494][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8663.705494][ T10] netdev_get_by_index+0x5e/0x80 [ 8663.705494][ T10] fib6_nh_init+0x3d8/0x1580 [ 8663.705494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8663.705494][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8663.705494][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8663.705494][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8663.705494][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8663.705494][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8663.705494][ T10] addrconf_dad_begin+0x310/0x670 [ 8663.705494][ T10] addrconf_dad_work+0x10b/0xab0 [ 8663.705494][ T10] process_one_work+0x84d/0x18a0 [ 8663.705494][ T10] worker_thread+0x587/0xd30 [ 8663.705494][ T10] kthread+0x28a/0x350 [ 8663.705494][ T10] ret_from_fork+0x31/0x70 [ 8663.705494][ T10] ret_from_fork_asm+0x1a/0x30 [ 8663.705494][ T10] [ 8663.707450][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8663.707450][ T10] netdev_get_by_index+0x5e/0x80 [ 8663.707450][ T10] fib6_nh_init+0x3d8/0x1580 [ 8663.707450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8663.707450][ T10] ip6_route_add+0x1c/0x140 [ 8663.707450][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8663.707450][ T10] inet6_addr_add+0x4f8/0xa40 [ 8663.707450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8663.707450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8663.707450][ T10] netlink_rcv_skb+0x130/0x360 [ 8663.707450][ T10] netlink_unicast+0x449/0x710 [ 8663.707450][ T10] netlink_sendmsg+0x723/0xbe0 [ 8663.707450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8663.707450][ T10] ___sys_sendmsg+0xee/0x170 [ 8663.707450][ T10] __sys_sendmsg+0xcd/0x170 [ 8663.707450][ T10] do_syscall_64+0xc6/0x1e0 [ 8663.707450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8663.707450][ T10] [ 8663.709466][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8663.709466][ T10] netdev_get_by_index+0x5e/0x80 [ 8663.709466][ T10] fib6_nh_init+0x3d8/0x1580 [ 8663.709466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8663.709466][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8663.709466][ T10] ipv6_add_addr+0x411/0x2000 [ 8663.709466][ T10] inet6_addr_add+0x30e/0xa40 [ 8663.709466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8663.709466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8663.709466][ T10] netlink_rcv_skb+0x130/0x360 [ 8663.709466][ T10] netlink_unicast+0x449/0x710 [ 8663.709466][ T10] netlink_sendmsg+0x723/0xbe0 [ 8663.709466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8663.709466][ T10] ___sys_sendmsg+0xee/0x170 [ 8663.709466][ T10] __sys_sendmsg+0xcd/0x170 [ 8663.709466][ T10] do_syscall_64+0xc6/0x1e0 [ 8663.709466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8663.709466][ T10] [ 8663.711473][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8663.711473][ T10] netdev_get_by_index+0x5e/0x80 [ 8663.711473][ T10] fib6_nh_init+0x3d8/0x1580 [ 8663.711473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8663.711473][ T10] ip6_route_add+0x1c/0x140 [ 8663.711473][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8663.711473][ T10] addrconf_add_dev+0xe2/0x170 [ 8663.711473][ T10] inet6_addr_add+0x12f/0xa40 [ 8663.711473][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8663.711473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8663.711473][ T10] netlink_rcv_skb+0x130/0x360 [ 8663.711473][ T10] netlink_unicast+0x449/0x710 [ 8663.711473][ T10] netlink_sendmsg+0x723/0xbe0 [ 8663.711473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8663.711473][ T10] ___sys_sendmsg+0xee/0x170 [ 8663.711473][ T10] __sys_sendmsg+0xcd/0x170 [ 8663.711473][ T10] do_syscall_64+0xc6/0x1e0 [ 8663.711473][ T10] [ 8663.713447][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8663.713447][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8663.713447][ T10] ipv6_find_idev+0x102/0x170 [ 8663.713447][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8663.713447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8663.713447][ T10] netlink_rcv_skb+0x130/0x360 [ 8663.713447][ T10] netlink_unicast+0x449/0x710 [ 8663.713447][ T10] netlink_sendmsg+0x723/0xbe0 [ 8663.713447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8663.713447][ T10] ___sys_sendmsg+0xee/0x170 [ 8663.713447][ T10] __sys_sendmsg+0xcd/0x170 [ 8663.713447][ T10] do_syscall_64+0xc6/0x1e0 [ 8663.713447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8663.713447][ T10] [ 8663.714992][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8663.714992][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8663.714992][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8663.714992][ T10] ipv6_find_idev+0x102/0x170 [ 8663.714992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8663.714992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8663.714992][ T10] netlink_rcv_skb+0x130/0x360 [ 8663.714992][ T10] netlink_unicast+0x449/0x710 [ 8663.714992][ T10] netlink_sendmsg+0x723/0xbe0 [ 8663.714992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8663.714992][ T10] ___sys_sendmsg+0xee/0x170 [ 8663.714992][ T10] __sys_sendmsg+0xcd/0x170 [ 8663.714992][ T10] do_syscall_64+0xc6/0x1e0 [ 8663.714992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8663.714992][ T10] [ 8663.716694][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8663.716948][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8663.716948][ T10] netdev_get_by_index+0x5e/0x80 [ 8663.716948][ T10] fib6_nh_init+0x3d8/0x1580 [ 8663.716948][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8663.716948][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8663.716948][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8663.716948][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8663.716948][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8663.716948][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8663.716948][ T10] addrconf_dad_begin+0x310/0x670 [ 8663.716948][ T10] addrconf_dad_work+0x10b/0xab0 [ 8663.716948][ T10] process_one_work+0x84d/0x18a0 [ 8663.716948][ T10] worker_thread+0x587/0xd30 [ 8663.716948][ T10] kthread+0x28a/0x350 [ 8663.716948][ T10] ret_from_fork+0x31/0x70 [ 8663.716948][ T10] ret_from_fork_asm+0x1a/0x30 [ 8663.716948][ T10] [ 8663.718873][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8663.718873][ T10] netdev_get_by_index+0x5e/0x80 [ 8663.718873][ T10] fib6_nh_init+0x3d8/0x1580 [ 8663.718873][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8663.718873][ T10] ip6_route_add+0x1c/0x140 [ 8663.718873][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8663.718873][ T10] inet6_addr_add+0x4f8/0xa40 [ 8663.718873][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8663.718873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8663.718873][ T10] netlink_rcv_skb+0x130/0x360 [ 8663.718873][ T10] netlink_unicast+0x449/0x710 [ 8663.718873][ T10] netlink_sendmsg+0x723/0xbe0 [ 8663.718873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8663.718873][ T10] ___sys_sendmsg+0xee/0x170 [ 8663.718873][ T10] __sys_sendmsg+0xcd/0x170 [ 8663.718873][ T10] do_syscall_64+0xc6/0x1e0 [ 8663.718873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8663.718873][ T10] [ 8663.720878][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8663.720878][ T10] netdev_get_by_index+0x5e/0x80 [ 8663.720878][ T10] fib6_nh_init+0x3d8/0x1580 [ 8663.720878][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8663.720878][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8663.720878][ T10] ipv6_add_addr+0x411/0x2000 [ 8663.720878][ T10] inet6_addr_add+0x30e/0xa40 [ 8663.720878][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8663.720878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8663.720878][ T10] netlink_rcv_skb+0x130/0x360 [ 8663.720878][ T10] netlink_unicast+0x449/0x710 [ 8663.720878][ T10] netlink_sendmsg+0x723/0xbe0 [ 8663.720878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8663.720878][ T10] ___sys_sendmsg+0xee/0x170 [ 8663.720878][ T10] __sys_sendmsg+0xcd/0x170 [ 8663.720878][ T10] do_syscall_64+0xc6/0x1e0 [ 8663.720878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8663.720878][ T10] [ 8663.722885][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8663.722885][ T10] netdev_get_by_index+0x5e/0x80 [ 8663.722885][ T10] fib6_nh_init+0x3d8/0x1580 [ 8663.722885][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8663.722885][ T10] ip6_route_add+0x1c/0x140 [ 8663.722885][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8663.722885][ T10] addrconf_add_dev+0xe2/0x170 [ 8663.722885][ T10] inet6_addr_add+0x12f/0xa40 [ 8663.722885][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8663.722885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8663.722885][ T10] netlink_rcv_skb+0x130/0x360 [ 8663.722885][ T10] netlink_unicast+0x449/0x710 [ 8663.722885][ T10] netlink_sendmsg+0x723/0xbe0 [ 8663.722885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8663.722885][ T10] ___sys_sendmsg+0xee/0x170 [ 8663.722885][ T10] __sys_sendmsg+0xcd/0x170 [ 8663.722885][ T10] do_syscall_64+0xc6/0x1e0 [ 8663.722885][ T10] [ 8663.724849][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8663.724849][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8663.724849][ T10] ipv6_find_idev+0x102/0x170 [ 8663.724849][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8663.724849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8663.724849][ T10] netlink_rcv_skb+0x130/0x360 [ 8663.724849][ T10] netlink_unicast+0x449/0x710 [ 8663.724849][ T10] netlink_sendmsg+0x723/0xbe0 [ 8663.724849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8663.724849][ T10] ___sys_sendmsg+0xee/0x170 [ 8663.724849][ T10] __sys_sendmsg+0xcd/0x170 [ 8663.724849][ T10] do_syscall_64+0xc6/0x1e0 [ 8663.724849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8663.724849][ T10] [ 8663.726401][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8663.726401][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8663.726401][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8663.726401][ T10] ipv6_find_idev+0x102/0x170 [ 8663.726401][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8663.726401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8663.726401][ T10] netlink_rcv_skb+0x130/0x360 [ 8663.726401][ T10] netlink_unicast+0x449/0x710 [ 8663.726401][ T10] netlink_sendmsg+0x723/0xbe0 [ 8663.726401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8663.726401][ T10] ___sys_sendmsg+0xee/0x170 [ 8663.726401][ T10] __sys_sendmsg+0xcd/0x170 [ 8663.726401][ T10] do_syscall_64+0xc6/0x1e0 [ 8663.726401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8663.726401][ T10] [ 8663.728108][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8663.728346][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8663.728346][ T10] netdev_get_by_index+0x5e/0x80 [ 8663.728346][ T10] fib6_nh_init+0x3d8/0x1580 [ 8663.728346][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8663.728346][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8663.728346][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8663.728346][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8663.728346][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8663.728346][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8663.728346][ T10] addrconf_dad_begin+0x310/0x670 [ 8663.728346][ T10] addrconf_dad_work+0x10b/0xab0 [ 8663.728346][ T10] process_one_work+0x84d/0x18a0 [ 8663.728346][ T10] worker_thread+0x587/0xd30 [ 8663.728346][ T10] kthread+0x28a/0x350 [ 8663.728346][ T10] ret_from_fork+0x31/0x70 [ 8663.728346][ T10] ret_from_fork_asm+0x1a/0x30 [ 8663.728346][ T10] [ 8663.730262][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8663.730262][ T10] netdev_get_by_index+0x5e/0x80 [ 8663.730262][ T10] fib6_nh_init+0x3d8/0x1580 [ 8663.730262][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8663.730262][ T10] ip6_route_add+0x1c/0x140 [ 8663.730262][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8663.730262][ T10] inet6_addr_add+0x4f8/0xa40 [ 8663.730262][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8663.730262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8663.730262][ T10] netlink_rcv_skb+0x130/0x360 [ 8663.730262][ T10] netlink_unicast+0x449/0x710 [ 8663.730262][ T10] netlink_sendmsg+0x723/0xbe0 [ 8663.730262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8663.730262][ T10] ___sys_sendmsg+0xee/0x170 [ 8663.730262][ T10] __sys_sendmsg+0xcd/0x170 [ 8663.730262][ T10] do_syscall_64+0xc6/0x1e0 [ 8663.730262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8663.730262][ T10] [ 8663.732447][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8663.732447][ T10] netdev_get_by_index+0x5e/0x80 [ 8663.732447][ T10] fib6_nh_init+0x3d8/0x1580 [ 8663.732447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8663.732447][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8663.732447][ T10] ipv6_add_addr+0x411/0x2000 [ 8663.732447][ T10] inet6_addr_add+0x30e/0xa40 [ 8663.732447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8663.732447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8663.732447][ T10] netlink_rcv_skb+0x130/0x360 [ 8663.732447][ T10] netlink_unicast+0x449/0x710 [ 8663.732447][ T10] netlink_sendmsg+0x723/0xbe0 [ 8663.732447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8663.732447][ T10] ___sys_sendmsg+0xee/0x170 [ 8663.732447][ T10] __sys_sendmsg+0xcd/0x170 [ 8663.732447][ T10] do_syscall_64+0xc6/0x1e0 [ 8663.732447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8663.732447][ T10] [ 8663.734781][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8663.734781][ T10] netdev_get_by_index+0x5e/0x80 [ 8663.734781][ T10] fib6_nh_init+0x3d8/0x1580 [ 8663.734781][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8663.734781][ T10] ip6_route_add+0x1c/0x140 [ 8663.734781][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8663.734781][ T10] addrconf_add_dev+0xe2/0x170 [ 8663.734781][ T10] inet6_addr_add+0x12f/0xa40 [ 8663.734781][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8663.734781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8663.734781][ T10] netlink_rcv_skb+0x130/0x360 [ 8663.734781][ T10] netlink_unicast+0x449/0x710 [ 8663.734781][ T10] netlink_sendmsg+0x723/0xbe0 [ 8663.734781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8663.734781][ T10] ___sys_sendmsg+0xee/0x170 [ 8663.734781][ T10] __sys_sendmsg+0xcd/0x170 [ 8663.734781][ T10] do_syscall_64+0xc6/0x1e0 [ 8663.734781][ T10] [ 8663.736925][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8663.736925][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8663.736925][ T10] ipv6_find_idev+0x102/0x170 [ 8663.736925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8663.736925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8663.736925][ T10] netlink_rcv_skb+0x130/0x360 [ 8663.736925][ T10] netlink_unicast+0x449/0x710 [ 8663.736925][ T10] netlink_sendmsg+0x723/0xbe0 [ 8663.736925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8663.736925][ T10] ___sys_sendmsg+0xee/0x170 [ 8663.736925][ T10] __sys_sendmsg+0xcd/0x170 [ 8663.736925][ T10] do_syscall_64+0xc6/0x1e0 [ 8663.736925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8663.736925][ T10] [ 8663.738670][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8663.738670][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8663.738670][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8663.738670][ T10] ipv6_find_idev+0x102/0x170 [ 8663.738670][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8663.738670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8663.738670][ T10] netlink_rcv_skb+0x130/0x360 [ 8663.738670][ T10] netlink_unicast+0x449/0x710 [ 8663.738670][ T10] netlink_sendmsg+0x723/0xbe0 [ 8663.738670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8663.738670][ T10] ___sys_sendmsg+0xee/0x170 [ 8663.738670][ T10] __sys_sendmsg+0xcd/0x170 [ 8663.738670][ T10] do_syscall_64+0xc6/0x1e0 [ 8663.738670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8663.738670][ T10] [ 8663.740598][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8663.740839][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8663.740839][ T10] netdev_get_by_index+0x5e/0x80 [ 8663.740839][ T10] fib6_nh_init+0x3d8/0x1580 [ 8663.740839][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8663.740839][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8663.740839][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8663.740839][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8663.740839][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8663.740839][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8663.740839][ T10] addrconf_dad_begin+0x310/0x670 [ 8663.740839][ T10] addrconf_dad_work+0x10b/0xab0 [ 8663.740839][ T10] process_one_work+0x84d/0x18a0 [ 8663.740839][ T10] worker_thread+0x587/0xd30 [ 8663.740839][ T10] kthread+0x28a/0x350 [ 8663.740839][ T10] ret_from_fork+0x31/0x70 [ 8663.740839][ T10] ret_from_fork_asm+0x1a/0x30 [ 8663.740839][ T10] [ 8663.743069][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8663.743069][ T10] netdev_get_by_index+0x5e/0x80 [ 8663.743069][ T10] fib6_nh_init+0x3d8/0x1580 [ 8663.743069][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8663.743069][ T10] ip6_route_add+0x1c/0x140 [ 8663.743069][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8663.743069][ T10] inet6_addr_add+0x4f8/0xa40 [ 8663.743069][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8663.743069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8663.743069][ T10] netlink_rcv_skb+0x130/0x360 [ 8663.743069][ T10] netlink_unicast+0x449/0x710 [ 8663.743069][ T10] netlink_sendmsg+0x723/0xbe0 [ 8663.743069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8663.743069][ T10] ___sys_sendmsg+0xee/0x170 [ 8663.743069][ T10] __sys_sendmsg+0xcd/0x170 [ 8663.743069][ T10] do_syscall_64+0xc6/0x1e0 [ 8663.743069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8663.743069][ T10] [ 8663.745245][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8663.745245][ T10] netdev_get_by_index+0x5e/0x80 [ 8663.745245][ T10] fib6_nh_init+0x3d8/0x1580 [ 8663.745245][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8663.745245][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8663.745245][ T10] ipv6_add_addr+0x411/0x2000 [ 8663.745245][ T10] inet6_addr_add+0x30e/0xa40 [ 8663.745245][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8663.745245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8663.745245][ T10] netlink_rcv_skb+0x130/0x360 [ 8663.745245][ T10] netlink_unicast+0x449/0x710 [ 8663.745245][ T10] netlink_sendmsg+0x723/0xbe0 [ 8663.745245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8663.745245][ T10] ___sys_sendmsg+0xee/0x170 [ 8663.745245][ T10] __sys_sendmsg+0xcd/0x170 [ 8663.745245][ T10] do_syscall_64+0xc6/0x1e0 [ 8663.745245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8663.745245][ T10] [ 8663.747500][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8663.747500][ T10] netdev_get_by_index+0x5e/0x80 [ 8663.747500][ T10] fib6_nh_init+0x3d8/0x1580 [ 8663.747500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8663.747500][ T10] ip6_route_add+0x1c/0x140 [ 8663.747500][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8663.747500][ T10] addrconf_add_dev+0xe2/0x170 [ 8663.747500][ T10] inet6_addr_add+0x12f/0xa40 [ 8663.747500][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8663.747500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8663.747500][ T10] netlink_rcv_skb+0x130/0x360 [ 8663.747500][ T10] netlink_unicast+0x449/0x710 [ 8663.747500][ T10] netlink_sendmsg+0x723/0xbe0 [ 8663.747500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8663.747500][ T10] ___sys_sendmsg+0xee/0x170 [ 8663.747500][ T10] __sys_sendmsg+0xcd/0x170 [ 8663.747500][ T10] do_syscall_64+0xc6/0x1e0 [ 8663.747500][ T10] [ 8663.749720][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8663.749720][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8663.749720][ T10] ipv6_find_idev+0x102/0x170 [ 8663.749720][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8663.749720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8663.749720][ T10] netlink_rcv_skb+0x130/0x360 [ 8663.749720][ T10] netlink_unicast+0x449/0x710 [ 8663.749720][ T10] netlink_sendmsg+0x723/0xbe0 [ 8663.749720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8663.749720][ T10] ___sys_sendmsg+0xee/0x170 [ 8663.749720][ T10] __sys_sendmsg+0xcd/0x170 [ 8663.749720][ T10] do_syscall_64+0xc6/0x1e0 [ 8663.749720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8663.749720][ T10] [ 8663.751455][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8663.751455][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8663.751455][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8663.751455][ T10] ipv6_find_idev+0x102/0x170 [ 8663.751455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8663.751455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8663.751455][ T10] netlink_rcv_skb+0x130/0x360 [ 8663.751455][ T10] netlink_unicast+0x449/0x710 [ 8663.751455][ T10] netlink_sendmsg+0x723/0xbe0 [ 8663.751455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8663.751455][ T10] ___sys_sendmsg+0xee/0x170 [ 8663.751455][ T10] __sys_sendmsg+0xcd/0x170 [ 8663.751455][ T10] do_syscall_64+0xc6/0x1e0 [ 8663.751455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8663.751455][ T10] [ 8672.977115][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8672.977613][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8672.977613][ T1167] dst_init+0x84/0x4a0 [ 8672.977613][ T1167] dst_alloc+0x97/0x150 [ 8672.977613][ T1167] ip6_dst_alloc+0x23/0x90 [ 8672.977613][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8672.977613][ T1167] ip6_pol_route+0x56f/0x840 [ 8672.977613][ T1167] fib6_rule_lookup+0x334/0x630 [ 8672.977613][ T1167] ip6_route_output_flags+0x259/0x480 [ 8672.977613][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8672.977613][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8672.977613][ T1167] netlink_rcv_skb+0x130/0x360 [ 8672.977613][ T1167] netlink_unicast+0x449/0x710 [ 8672.977613][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8672.977613][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8672.977613][ T1167] ___sys_sendmsg+0xee/0x170 [ 8672.977613][ T1167] __sys_sendmsg+0xcd/0x170 [ 8672.977613][ T1167] do_syscall_64+0xc6/0x1e0 [ 8672.977613][ T1167] [ 8672.979801][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8672.979801][ T1167] netdev_get_by_index+0x5e/0x80 [ 8672.979801][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8672.979801][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8672.979801][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8672.979801][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8672.979801][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8672.979801][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8672.979801][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8672.979801][ T1167] addrconf_dad_begin+0x310/0x670 [ 8672.979801][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8672.979801][ T1167] process_one_work+0x84d/0x18a0 [ 8672.979801][ T1167] worker_thread+0x587/0xd30 [ 8672.979801][ T1167] kthread+0x28a/0x350 [ 8672.979801][ T1167] ret_from_fork+0x31/0x70 [ 8672.979801][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8672.979801][ T1167] [ 8672.981947][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8672.981947][ T1167] netdev_get_by_index+0x5e/0x80 [ 8672.981947][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8672.981947][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8672.981947][ T1167] ip6_route_add+0x1c/0x140 [ 8672.981947][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8672.981947][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8672.981947][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8672.981947][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8672.981947][ T1167] netlink_rcv_skb+0x130/0x360 [ 8672.981947][ T1167] netlink_unicast+0x449/0x710 [ 8672.981947][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8672.981947][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8672.981947][ T1167] ___sys_sendmsg+0xee/0x170 [ 8672.981947][ T1167] __sys_sendmsg+0xcd/0x170 [ 8672.981947][ T1167] do_syscall_64+0xc6/0x1e0 [ 8672.981947][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8672.981947][ T1167] [ 8672.984178][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8672.984178][ T1167] netdev_get_by_index+0x5e/0x80 [ 8672.984178][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8672.984178][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8672.984178][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8672.984178][ T1167] ipv6_add_addr+0x411/0x2000 [ 8672.984178][ T1167] inet6_addr_add+0x30e/0xa40 [ 8672.984178][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8672.984178][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8672.984178][ T1167] netlink_rcv_skb+0x130/0x360 [ 8672.984178][ T1167] netlink_unicast+0x449/0x710 [ 8672.984178][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8672.984178][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8672.984178][ T1167] ___sys_sendmsg+0xee/0x170 [ 8672.984178][ T1167] __sys_sendmsg+0xcd/0x170 [ 8672.984178][ T1167] do_syscall_64+0xc6/0x1e0 [ 8672.984178][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8672.984178][ T1167] [ 8672.986406][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8672.986406][ T1167] netdev_get_by_index+0x5e/0x80 [ 8672.986406][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8672.986406][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8672.986406][ T1167] ip6_route_add+0x1c/0x140 [ 8672.986406][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8672.986406][ T1167] addrconf_add_dev+0xe2/0x170 [ 8672.986406][ T1167] inet6_addr_add+0x12f/0xa40 [ 8672.986406][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8672.986406][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8672.986406][ T1167] netlink_rcv_skb+0x130/0x360 [ 8672.986406][ T1167] netlink_unicast+0x449/0x710 [ 8672.986406][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8672.986406][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8672.986406][ T1167] ___sys_sendmsg+0xee/0x170 [ 8672.986406][ T1167] __sys_sendmsg+0xcd/0x170 [ 8672.986406][ T1167] do_syscall_64+0xc6/0x1e0 [ 8672.986406][ T1167] [ 8672.988597][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8672.988597][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8672.988597][ T1167] ipv6_find_idev+0x102/0x170 [ 8672.988597][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8672.988597][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8672.988597][ T1167] netlink_rcv_skb+0x130/0x360 [ 8672.988597][ T1167] netlink_unicast+0x449/0x710 [ 8672.988597][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8672.988597][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8672.988597][ T1167] ___sys_sendmsg+0xee/0x170 [ 8672.988597][ T1167] __sys_sendmsg+0xcd/0x170 [ 8672.988597][ T1167] do_syscall_64+0xc6/0x1e0 [ 8672.988597][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8672.988597][ T1167] [ 8672.990305][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8672.990305][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8672.990305][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8672.990305][ T1167] ipv6_find_idev+0x102/0x170 [ 8672.990305][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8672.990305][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8672.990305][ T1167] netlink_rcv_skb+0x130/0x360 [ 8672.990305][ T1167] netlink_unicast+0x449/0x710 [ 8672.990305][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8672.990305][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8672.990305][ T1167] ___sys_sendmsg+0xee/0x170 [ 8672.990305][ T1167] __sys_sendmsg+0xcd/0x170 [ 8672.990305][ T1167] do_syscall_64+0xc6/0x1e0 [ 8672.990305][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8672.990305][ T1167] [ 8673.849112][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8673.849491][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8673.849491][ T10] netdev_get_by_index+0x5e/0x80 [ 8673.849491][ T10] fib6_nh_init+0x3d8/0x1580 [ 8673.849491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8673.849491][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8673.849491][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8673.849491][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8673.849491][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8673.849491][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8673.849491][ T10] addrconf_dad_begin+0x310/0x670 [ 8673.849491][ T10] addrconf_dad_work+0x10b/0xab0 [ 8673.849491][ T10] process_one_work+0x84d/0x18a0 [ 8673.849491][ T10] worker_thread+0x587/0xd30 [ 8673.849491][ T10] kthread+0x28a/0x350 [ 8673.849491][ T10] ret_from_fork+0x31/0x70 [ 8673.849491][ T10] ret_from_fork_asm+0x1a/0x30 [ 8673.849491][ T10] [ 8673.851426][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8673.851426][ T10] netdev_get_by_index+0x5e/0x80 [ 8673.851426][ T10] fib6_nh_init+0x3d8/0x1580 [ 8673.851426][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8673.851426][ T10] ip6_route_add+0x1c/0x140 [ 8673.851426][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8673.851426][ T10] inet6_addr_add+0x4f8/0xa40 [ 8673.851426][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8673.851426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8673.851426][ T10] netlink_rcv_skb+0x130/0x360 [ 8673.851426][ T10] netlink_unicast+0x449/0x710 [ 8673.851426][ T10] netlink_sendmsg+0x723/0xbe0 [ 8673.851426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8673.851426][ T10] ___sys_sendmsg+0xee/0x170 [ 8673.851426][ T10] __sys_sendmsg+0xcd/0x170 [ 8673.851426][ T10] do_syscall_64+0xc6/0x1e0 [ 8673.851426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8673.851426][ T10] [ 8673.853433][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8673.853433][ T10] netdev_get_by_index+0x5e/0x80 [ 8673.853433][ T10] fib6_nh_init+0x3d8/0x1580 [ 8673.853433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8673.853433][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8673.853433][ T10] ipv6_add_addr+0x411/0x2000 [ 8673.853433][ T10] inet6_addr_add+0x30e/0xa40 [ 8673.853433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8673.853433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8673.853433][ T10] netlink_rcv_skb+0x130/0x360 [ 8673.853433][ T10] netlink_unicast+0x449/0x710 [ 8673.853433][ T10] netlink_sendmsg+0x723/0xbe0 [ 8673.853433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8673.853433][ T10] ___sys_sendmsg+0xee/0x170 [ 8673.853433][ T10] __sys_sendmsg+0xcd/0x170 [ 8673.853433][ T10] do_syscall_64+0xc6/0x1e0 [ 8673.853433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8673.853433][ T10] [ 8673.855425][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8673.855425][ T10] netdev_get_by_index+0x5e/0x80 [ 8673.855425][ T10] fib6_nh_init+0x3d8/0x1580 [ 8673.855425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8673.855425][ T10] ip6_route_add+0x1c/0x140 [ 8673.855425][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8673.855425][ T10] addrconf_add_dev+0xe2/0x170 [ 8673.855425][ T10] inet6_addr_add+0x12f/0xa40 [ 8673.855425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8673.855425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8673.855425][ T10] netlink_rcv_skb+0x130/0x360 [ 8673.855425][ T10] netlink_unicast+0x449/0x710 [ 8673.855425][ T10] netlink_sendmsg+0x723/0xbe0 [ 8673.855425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8673.855425][ T10] ___sys_sendmsg+0xee/0x170 [ 8673.855425][ T10] __sys_sendmsg+0xcd/0x170 [ 8673.855425][ T10] do_syscall_64+0xc6/0x1e0 [ 8673.855425][ T10] [ 8673.857415][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8673.857415][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8673.857415][ T10] ipv6_find_idev+0x102/0x170 [ 8673.857415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8673.857415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8673.857415][ T10] netlink_rcv_skb+0x130/0x360 [ 8673.857415][ T10] netlink_unicast+0x449/0x710 [ 8673.857415][ T10] netlink_sendmsg+0x723/0xbe0 [ 8673.857415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8673.857415][ T10] ___sys_sendmsg+0xee/0x170 [ 8673.857415][ T10] __sys_sendmsg+0xcd/0x170 [ 8673.857415][ T10] do_syscall_64+0xc6/0x1e0 [ 8673.857415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8673.857415][ T10] [ 8673.858957][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8673.858957][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8673.858957][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8673.858957][ T10] ipv6_find_idev+0x102/0x170 [ 8673.858957][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8673.858957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8673.858957][ T10] netlink_rcv_skb+0x130/0x360 [ 8673.858957][ T10] netlink_unicast+0x449/0x710 [ 8673.858957][ T10] netlink_sendmsg+0x723/0xbe0 [ 8673.858957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8673.858957][ T10] ___sys_sendmsg+0xee/0x170 [ 8673.858957][ T10] __sys_sendmsg+0xcd/0x170 [ 8673.858957][ T10] do_syscall_64+0xc6/0x1e0 [ 8673.858957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8673.858957][ T10] [ 8673.860650][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8673.860891][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8673.860891][ T10] netdev_get_by_index+0x5e/0x80 [ 8673.860891][ T10] fib6_nh_init+0x3d8/0x1580 [ 8673.860891][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8673.860891][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8673.860891][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8673.860891][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8673.860891][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8673.860891][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8673.860891][ T10] addrconf_dad_begin+0x310/0x670 [ 8673.860891][ T10] addrconf_dad_work+0x10b/0xab0 [ 8673.860891][ T10] process_one_work+0x84d/0x18a0 [ 8673.860891][ T10] worker_thread+0x587/0xd30 [ 8673.860891][ T10] kthread+0x28a/0x350 [ 8673.860891][ T10] ret_from_fork+0x31/0x70 [ 8673.860891][ T10] ret_from_fork_asm+0x1a/0x30 [ 8673.860891][ T10] [ 8673.862803][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8673.862803][ T10] netdev_get_by_index+0x5e/0x80 [ 8673.862803][ T10] fib6_nh_init+0x3d8/0x1580 [ 8673.862803][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8673.862803][ T10] ip6_route_add+0x1c/0x140 [ 8673.862803][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8673.862803][ T10] inet6_addr_add+0x4f8/0xa40 [ 8673.862803][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8673.862803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8673.862803][ T10] netlink_rcv_skb+0x130/0x360 [ 8673.862803][ T10] netlink_unicast+0x449/0x710 [ 8673.862803][ T10] netlink_sendmsg+0x723/0xbe0 [ 8673.862803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8673.862803][ T10] ___sys_sendmsg+0xee/0x170 [ 8673.862803][ T10] __sys_sendmsg+0xcd/0x170 [ 8673.862803][ T10] do_syscall_64+0xc6/0x1e0 [ 8673.862803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8673.862803][ T10] [ 8673.864801][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8673.864801][ T10] netdev_get_by_index+0x5e/0x80 [ 8673.864801][ T10] fib6_nh_init+0x3d8/0x1580 [ 8673.864801][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8673.864801][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8673.864801][ T10] ipv6_add_addr+0x411/0x2000 [ 8673.864801][ T10] inet6_addr_add+0x30e/0xa40 [ 8673.864801][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8673.864801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8673.864801][ T10] netlink_rcv_skb+0x130/0x360 [ 8673.864801][ T10] netlink_unicast+0x449/0x710 [ 8673.864801][ T10] netlink_sendmsg+0x723/0xbe0 [ 8673.864801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8673.864801][ T10] ___sys_sendmsg+0xee/0x170 [ 8673.864801][ T10] __sys_sendmsg+0xcd/0x170 [ 8673.864801][ T10] do_syscall_64+0xc6/0x1e0 [ 8673.864801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8673.864801][ T10] [ 8673.866799][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8673.866799][ T10] netdev_get_by_index+0x5e/0x80 [ 8673.866799][ T10] fib6_nh_init+0x3d8/0x1580 [ 8673.866799][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8673.866799][ T10] ip6_route_add+0x1c/0x140 [ 8673.866799][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8673.866799][ T10] addrconf_add_dev+0xe2/0x170 [ 8673.866799][ T10] inet6_addr_add+0x12f/0xa40 [ 8673.866799][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8673.866799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8673.866799][ T10] netlink_rcv_skb+0x130/0x360 [ 8673.866799][ T10] netlink_unicast+0x449/0x710 [ 8673.866799][ T10] netlink_sendmsg+0x723/0xbe0 [ 8673.866799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8673.866799][ T10] ___sys_sendmsg+0xee/0x170 [ 8673.866799][ T10] __sys_sendmsg+0xcd/0x170 [ 8673.866799][ T10] do_syscall_64+0xc6/0x1e0 [ 8673.866799][ T10] [ 8673.868782][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8673.868782][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8673.868782][ T10] ipv6_find_idev+0x102/0x170 [ 8673.868782][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8673.868782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8673.868782][ T10] netlink_rcv_skb+0x130/0x360 [ 8673.868782][ T10] netlink_unicast+0x449/0x710 [ 8673.868782][ T10] netlink_sendmsg+0x723/0xbe0 [ 8673.868782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8673.868782][ T10] ___sys_sendmsg+0xee/0x170 [ 8673.868782][ T10] __sys_sendmsg+0xcd/0x170 [ 8673.868782][ T10] do_syscall_64+0xc6/0x1e0 [ 8673.868782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8673.868782][ T10] [ 8673.870435][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8673.870435][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8673.870435][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8673.870435][ T10] ipv6_find_idev+0x102/0x170 [ 8673.870435][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8673.870435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8673.870435][ T10] netlink_rcv_skb+0x130/0x360 [ 8673.870435][ T10] netlink_unicast+0x449/0x710 [ 8673.870435][ T10] netlink_sendmsg+0x723/0xbe0 [ 8673.870435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8673.870435][ T10] ___sys_sendmsg+0xee/0x170 [ 8673.870435][ T10] __sys_sendmsg+0xcd/0x170 [ 8673.870435][ T10] do_syscall_64+0xc6/0x1e0 [ 8673.870435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8673.870435][ T10] [ 8673.872144][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8673.872387][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8673.872387][ T10] netdev_get_by_index+0x5e/0x80 [ 8673.872387][ T10] fib6_nh_init+0x3d8/0x1580 [ 8673.872387][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8673.872387][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8673.872387][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8673.872387][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8673.872387][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8673.872387][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8673.872387][ T10] addrconf_dad_begin+0x310/0x670 [ 8673.872387][ T10] addrconf_dad_work+0x10b/0xab0 [ 8673.872387][ T10] process_one_work+0x84d/0x18a0 [ 8673.872387][ T10] worker_thread+0x587/0xd30 [ 8673.872387][ T10] kthread+0x28a/0x350 [ 8673.872387][ T10] ret_from_fork+0x31/0x70 [ 8673.872387][ T10] ret_from_fork_asm+0x1a/0x30 [ 8673.872387][ T10] [ 8673.874323][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8673.874323][ T10] netdev_get_by_index+0x5e/0x80 [ 8673.874323][ T10] fib6_nh_init+0x3d8/0x1580 [ 8673.874323][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8673.874323][ T10] ip6_route_add+0x1c/0x140 [ 8673.874323][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8673.874323][ T10] inet6_addr_add+0x4f8/0xa40 [ 8673.874323][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8673.874323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8673.874323][ T10] netlink_rcv_skb+0x130/0x360 [ 8673.874323][ T10] netlink_unicast+0x449/0x710 [ 8673.874323][ T10] netlink_sendmsg+0x723/0xbe0 [ 8673.874323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8673.874323][ T10] ___sys_sendmsg+0xee/0x170 [ 8673.874323][ T10] __sys_sendmsg+0xcd/0x170 [ 8673.874323][ T10] do_syscall_64+0xc6/0x1e0 [ 8673.874323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8673.874323][ T10] [ 8673.876514][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8673.876514][ T10] netdev_get_by_index+0x5e/0x80 [ 8673.876514][ T10] fib6_nh_init+0x3d8/0x1580 [ 8673.876514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8673.876514][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8673.876514][ T10] ipv6_add_addr+0x411/0x2000 [ 8673.876514][ T10] inet6_addr_add+0x30e/0xa40 [ 8673.876514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8673.876514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8673.876514][ T10] netlink_rcv_skb+0x130/0x360 [ 8673.876514][ T10] netlink_unicast+0x449/0x710 [ 8673.876514][ T10] netlink_sendmsg+0x723/0xbe0 [ 8673.876514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8673.876514][ T10] ___sys_sendmsg+0xee/0x170 [ 8673.876514][ T10] __sys_sendmsg+0xcd/0x170 [ 8673.876514][ T10] do_syscall_64+0xc6/0x1e0 [ 8673.876514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8673.876514][ T10] [ 8673.878827][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8673.878827][ T10] netdev_get_by_index+0x5e/0x80 [ 8673.878827][ T10] fib6_nh_init+0x3d8/0x1580 [ 8673.878827][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8673.878827][ T10] ip6_route_add+0x1c/0x140 [ 8673.878827][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8673.878827][ T10] addrconf_add_dev+0xe2/0x170 [ 8673.878827][ T10] inet6_addr_add+0x12f/0xa40 [ 8673.878827][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8673.878827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8673.878827][ T10] netlink_rcv_skb+0x130/0x360 [ 8673.878827][ T10] netlink_unicast+0x449/0x710 [ 8673.878827][ T10] netlink_sendmsg+0x723/0xbe0 [ 8673.878827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8673.878827][ T10] ___sys_sendmsg+0xee/0x170 [ 8673.878827][ T10] __sys_sendmsg+0xcd/0x170 [ 8673.878827][ T10] do_syscall_64+0xc6/0x1e0 [ 8673.878827][ T10] [ 8673.880995][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8673.880995][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8673.880995][ T10] ipv6_find_idev+0x102/0x170 [ 8673.880995][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8673.880995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8673.880995][ T10] netlink_rcv_skb+0x130/0x360 [ 8673.880995][ T10] netlink_unicast+0x449/0x710 [ 8673.880995][ T10] netlink_sendmsg+0x723/0xbe0 [ 8673.880995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8673.880995][ T10] ___sys_sendmsg+0xee/0x170 [ 8673.880995][ T10] __sys_sendmsg+0xcd/0x170 [ 8673.880995][ T10] do_syscall_64+0xc6/0x1e0 [ 8673.880995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8673.880995][ T10] [ 8673.882715][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8673.882715][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8673.882715][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8673.882715][ T10] ipv6_find_idev+0x102/0x170 [ 8673.882715][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8673.882715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8673.882715][ T10] netlink_rcv_skb+0x130/0x360 [ 8673.882715][ T10] netlink_unicast+0x449/0x710 [ 8673.882715][ T10] netlink_sendmsg+0x723/0xbe0 [ 8673.882715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8673.882715][ T10] ___sys_sendmsg+0xee/0x170 [ 8673.882715][ T10] __sys_sendmsg+0xcd/0x170 [ 8673.882715][ T10] do_syscall_64+0xc6/0x1e0 [ 8673.882715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8673.882715][ T10] [ 8673.884637][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8673.885830][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8673.885830][ T10] netdev_get_by_index+0x5e/0x80 [ 8673.885830][ T10] fib6_nh_init+0x3d8/0x1580 [ 8673.885830][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8673.885830][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8673.885830][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8673.885830][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8673.885830][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8673.885830][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8673.885830][ T10] addrconf_dad_begin+0x310/0x670 [ 8673.885830][ T10] addrconf_dad_work+0x10b/0xab0 [ 8673.885830][ T10] process_one_work+0x84d/0x18a0 [ 8673.885830][ T10] worker_thread+0x587/0xd30 [ 8673.885830][ T10] kthread+0x28a/0x350 [ 8673.885830][ T10] ret_from_fork+0x31/0x70 [ 8673.885830][ T10] ret_from_fork_asm+0x1a/0x30 [ 8673.885830][ T10] [ 8673.887749][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8673.887749][ T10] netdev_get_by_index+0x5e/0x80 [ 8673.887749][ T10] fib6_nh_init+0x3d8/0x1580 [ 8673.887749][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8673.887749][ T10] ip6_route_add+0x1c/0x140 [ 8673.887749][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8673.887749][ T10] inet6_addr_add+0x4f8/0xa40 [ 8673.887749][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8673.887749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8673.887749][ T10] netlink_rcv_skb+0x130/0x360 [ 8673.887749][ T10] netlink_unicast+0x449/0x710 [ 8673.887749][ T10] netlink_sendmsg+0x723/0xbe0 [ 8673.887749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8673.887749][ T10] ___sys_sendmsg+0xee/0x170 [ 8673.887749][ T10] __sys_sendmsg+0xcd/0x170 [ 8673.887749][ T10] do_syscall_64+0xc6/0x1e0 [ 8673.887749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8673.887749][ T10] [ 8673.889865][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8673.889865][ T10] netdev_get_by_index+0x5e/0x80 [ 8673.889865][ T10] fib6_nh_init+0x3d8/0x1580 [ 8673.889865][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8673.889865][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8673.889865][ T10] ipv6_add_addr+0x411/0x2000 [ 8673.889865][ T10] inet6_addr_add+0x30e/0xa40 [ 8673.889865][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8673.889865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8673.889865][ T10] netlink_rcv_skb+0x130/0x360 [ 8673.889865][ T10] netlink_unicast+0x449/0x710 [ 8673.889865][ T10] netlink_sendmsg+0x723/0xbe0 [ 8673.889865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8673.889865][ T10] ___sys_sendmsg+0xee/0x170 [ 8673.889865][ T10] __sys_sendmsg+0xcd/0x170 [ 8673.889865][ T10] do_syscall_64+0xc6/0x1e0 [ 8673.889865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8673.889865][ T10] [ 8673.892101][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8673.892101][ T10] netdev_get_by_index+0x5e/0x80 [ 8673.892101][ T10] fib6_nh_init+0x3d8/0x1580 [ 8673.892101][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8673.892101][ T10] ip6_route_add+0x1c/0x140 [ 8673.892101][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8673.892101][ T10] addrconf_add_dev+0xe2/0x170 [ 8673.892101][ T10] inet6_addr_add+0x12f/0xa40 [ 8673.892101][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8673.892101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8673.892101][ T10] netlink_rcv_skb+0x130/0x360 [ 8673.892101][ T10] netlink_unicast+0x449/0x710 [ 8673.892101][ T10] netlink_sendmsg+0x723/0xbe0 [ 8673.892101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8673.892101][ T10] ___sys_sendmsg+0xee/0x170 [ 8673.892101][ T10] __sys_sendmsg+0xcd/0x170 [ 8673.892101][ T10] do_syscall_64+0xc6/0x1e0 [ 8673.892101][ T10] [ 8673.894305][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8673.894305][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8673.894305][ T10] ipv6_find_idev+0x102/0x170 [ 8673.894305][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8673.894305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8673.894305][ T10] netlink_rcv_skb+0x130/0x360 [ 8673.894305][ T10] netlink_unicast+0x449/0x710 [ 8673.894305][ T10] netlink_sendmsg+0x723/0xbe0 [ 8673.894305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8673.894305][ T10] ___sys_sendmsg+0xee/0x170 [ 8673.894305][ T10] __sys_sendmsg+0xcd/0x170 [ 8673.894305][ T10] do_syscall_64+0xc6/0x1e0 [ 8673.894305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8673.894305][ T10] [ 8673.896024][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8673.896024][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8673.896024][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8673.896024][ T10] ipv6_find_idev+0x102/0x170 [ 8673.896024][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8673.896024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8673.896024][ T10] netlink_rcv_skb+0x130/0x360 [ 8673.896024][ T10] netlink_unicast+0x449/0x710 [ 8673.896024][ T10] netlink_sendmsg+0x723/0xbe0 [ 8673.896024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8673.896024][ T10] ___sys_sendmsg+0xee/0x170 [ 8673.896024][ T10] __sys_sendmsg+0xcd/0x170 [ 8673.896024][ T10] do_syscall_64+0xc6/0x1e0 [ 8673.896024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8673.896024][ T10] [ 8683.129040][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8683.129527][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8683.129527][ T1167] dst_init+0x84/0x4a0 [ 8683.129527][ T1167] dst_alloc+0x97/0x150 [ 8683.129527][ T1167] ip6_dst_alloc+0x23/0x90 [ 8683.129527][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8683.129527][ T1167] ip6_pol_route+0x56f/0x840 [ 8683.129527][ T1167] fib6_rule_lookup+0x334/0x630 [ 8683.129527][ T1167] ip6_route_output_flags+0x259/0x480 [ 8683.129527][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8683.129527][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8683.129527][ T1167] netlink_rcv_skb+0x130/0x360 [ 8683.129527][ T1167] netlink_unicast+0x449/0x710 [ 8683.129527][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8683.129527][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8683.129527][ T1167] ___sys_sendmsg+0xee/0x170 [ 8683.129527][ T1167] __sys_sendmsg+0xcd/0x170 [ 8683.129527][ T1167] do_syscall_64+0xc6/0x1e0 [ 8683.129527][ T1167] [ 8683.131757][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8683.131757][ T1167] netdev_get_by_index+0x5e/0x80 [ 8683.131757][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8683.131757][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8683.131757][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8683.131757][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8683.131757][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8683.131757][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8683.131757][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8683.131757][ T1167] addrconf_dad_begin+0x310/0x670 [ 8683.131757][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8683.131757][ T1167] process_one_work+0x84d/0x18a0 [ 8683.131757][ T1167] worker_thread+0x587/0xd30 [ 8683.131757][ T1167] kthread+0x28a/0x350 [ 8683.131757][ T1167] ret_from_fork+0x31/0x70 [ 8683.131757][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8683.131757][ T1167] [ 8683.133937][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8683.133937][ T1167] netdev_get_by_index+0x5e/0x80 [ 8683.133937][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8683.133937][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8683.133937][ T1167] ip6_route_add+0x1c/0x140 [ 8683.133937][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8683.133937][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8683.133937][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8683.133937][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8683.133937][ T1167] netlink_rcv_skb+0x130/0x360 [ 8683.133937][ T1167] netlink_unicast+0x449/0x710 [ 8683.133937][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8683.133937][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8683.133937][ T1167] ___sys_sendmsg+0xee/0x170 [ 8683.133937][ T1167] __sys_sendmsg+0xcd/0x170 [ 8683.133937][ T1167] do_syscall_64+0xc6/0x1e0 [ 8683.133937][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8683.133937][ T1167] [ 8683.136197][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8683.136197][ T1167] netdev_get_by_index+0x5e/0x80 [ 8683.136197][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8683.136197][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8683.136197][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8683.136197][ T1167] ipv6_add_addr+0x411/0x2000 [ 8683.136197][ T1167] inet6_addr_add+0x30e/0xa40 [ 8683.136197][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8683.136197][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8683.136197][ T1167] netlink_rcv_skb+0x130/0x360 [ 8683.136197][ T1167] netlink_unicast+0x449/0x710 [ 8683.136197][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8683.136197][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8683.136197][ T1167] ___sys_sendmsg+0xee/0x170 [ 8683.136197][ T1167] __sys_sendmsg+0xcd/0x170 [ 8683.136197][ T1167] do_syscall_64+0xc6/0x1e0 [ 8683.136197][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8683.136197][ T1167] [ 8683.138480][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8683.138480][ T1167] netdev_get_by_index+0x5e/0x80 [ 8683.138480][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8683.138480][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8683.138480][ T1167] ip6_route_add+0x1c/0x140 [ 8683.138480][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8683.138480][ T1167] addrconf_add_dev+0xe2/0x170 [ 8683.138480][ T1167] inet6_addr_add+0x12f/0xa40 [ 8683.138480][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8683.138480][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8683.138480][ T1167] netlink_rcv_skb+0x130/0x360 [ 8683.138480][ T1167] netlink_unicast+0x449/0x710 [ 8683.138480][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8683.138480][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8683.138480][ T1167] ___sys_sendmsg+0xee/0x170 [ 8683.138480][ T1167] __sys_sendmsg+0xcd/0x170 [ 8683.138480][ T1167] do_syscall_64+0xc6/0x1e0 [ 8683.138480][ T1167] [ 8683.140718][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8683.140718][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8683.140718][ T1167] ipv6_find_idev+0x102/0x170 [ 8683.140718][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8683.140718][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8683.140718][ T1167] netlink_rcv_skb+0x130/0x360 [ 8683.140718][ T1167] netlink_unicast+0x449/0x710 [ 8683.140718][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8683.140718][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8683.140718][ T1167] ___sys_sendmsg+0xee/0x170 [ 8683.140718][ T1167] __sys_sendmsg+0xcd/0x170 [ 8683.140718][ T1167] do_syscall_64+0xc6/0x1e0 [ 8683.140718][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8683.140718][ T1167] [ 8683.142463][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8683.142463][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8683.142463][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8683.142463][ T1167] ipv6_find_idev+0x102/0x170 [ 8683.142463][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8683.142463][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8683.142463][ T1167] netlink_rcv_skb+0x130/0x360 [ 8683.142463][ T1167] netlink_unicast+0x449/0x710 [ 8683.142463][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8683.142463][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8683.142463][ T1167] ___sys_sendmsg+0xee/0x170 [ 8683.142463][ T1167] __sys_sendmsg+0xcd/0x170 [ 8683.142463][ T1167] do_syscall_64+0xc6/0x1e0 [ 8683.142463][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8683.142463][ T1167] [ 8684.153115][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8684.153495][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8684.153495][ T10] netdev_get_by_index+0x5e/0x80 [ 8684.153495][ T10] fib6_nh_init+0x3d8/0x1580 [ 8684.153495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8684.153495][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8684.153495][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8684.153495][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8684.153495][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8684.153495][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8684.153495][ T10] addrconf_dad_begin+0x310/0x670 [ 8684.153495][ T10] addrconf_dad_work+0x10b/0xab0 [ 8684.153495][ T10] process_one_work+0x84d/0x18a0 [ 8684.153495][ T10] worker_thread+0x587/0xd30 [ 8684.153495][ T10] kthread+0x28a/0x350 [ 8684.153495][ T10] ret_from_fork+0x31/0x70 [ 8684.153495][ T10] ret_from_fork_asm+0x1a/0x30 [ 8684.153495][ T10] [ 8684.155405][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8684.155405][ T10] netdev_get_by_index+0x5e/0x80 [ 8684.155405][ T10] fib6_nh_init+0x3d8/0x1580 [ 8684.155405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8684.155405][ T10] ip6_route_add+0x1c/0x140 [ 8684.155405][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8684.155405][ T10] inet6_addr_add+0x4f8/0xa40 [ 8684.155405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8684.155405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8684.155405][ T10] netlink_rcv_skb+0x130/0x360 [ 8684.155405][ T10] netlink_unicast+0x449/0x710 [ 8684.155405][ T10] netlink_sendmsg+0x723/0xbe0 [ 8684.155405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8684.155405][ T10] ___sys_sendmsg+0xee/0x170 [ 8684.155405][ T10] __sys_sendmsg+0xcd/0x170 [ 8684.155405][ T10] do_syscall_64+0xc6/0x1e0 [ 8684.155405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8684.155405][ T10] [ 8684.157514][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8684.157514][ T10] netdev_get_by_index+0x5e/0x80 [ 8684.157514][ T10] fib6_nh_init+0x3d8/0x1580 [ 8684.157514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8684.157514][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8684.157514][ T10] ipv6_add_addr+0x411/0x2000 [ 8684.157514][ T10] inet6_addr_add+0x30e/0xa40 [ 8684.157514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8684.157514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8684.157514][ T10] netlink_rcv_skb+0x130/0x360 [ 8684.157514][ T10] netlink_unicast+0x449/0x710 [ 8684.157514][ T10] netlink_sendmsg+0x723/0xbe0 [ 8684.157514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8684.157514][ T10] ___sys_sendmsg+0xee/0x170 [ 8684.157514][ T10] __sys_sendmsg+0xcd/0x170 [ 8684.157514][ T10] do_syscall_64+0xc6/0x1e0 [ 8684.157514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8684.157514][ T10] [ 8684.159502][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8684.159502][ T10] netdev_get_by_index+0x5e/0x80 [ 8684.159502][ T10] fib6_nh_init+0x3d8/0x1580 [ 8684.159502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8684.159502][ T10] ip6_route_add+0x1c/0x140 [ 8684.159502][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8684.159502][ T10] addrconf_add_dev+0xe2/0x170 [ 8684.159502][ T10] inet6_addr_add+0x12f/0xa40 [ 8684.159502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8684.159502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8684.159502][ T10] netlink_rcv_skb+0x130/0x360 [ 8684.159502][ T10] netlink_unicast+0x449/0x710 [ 8684.159502][ T10] netlink_sendmsg+0x723/0xbe0 [ 8684.159502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8684.159502][ T10] ___sys_sendmsg+0xee/0x170 [ 8684.159502][ T10] __sys_sendmsg+0xcd/0x170 [ 8684.159502][ T10] do_syscall_64+0xc6/0x1e0 [ 8684.159502][ T10] [ 8684.161455][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8684.161455][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8684.161455][ T10] ipv6_find_idev+0x102/0x170 [ 8684.161455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8684.161455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8684.161455][ T10] netlink_rcv_skb+0x130/0x360 [ 8684.161455][ T10] netlink_unicast+0x449/0x710 [ 8684.161455][ T10] netlink_sendmsg+0x723/0xbe0 [ 8684.161455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8684.161455][ T10] ___sys_sendmsg+0xee/0x170 [ 8684.161455][ T10] __sys_sendmsg+0xcd/0x170 [ 8684.161455][ T10] do_syscall_64+0xc6/0x1e0 [ 8684.161455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8684.161455][ T10] [ 8684.162980][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8684.162980][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8684.162980][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8684.162980][ T10] ipv6_find_idev+0x102/0x170 [ 8684.162980][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8684.162980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8684.162980][ T10] netlink_rcv_skb+0x130/0x360 [ 8684.162980][ T10] netlink_unicast+0x449/0x710 [ 8684.162980][ T10] netlink_sendmsg+0x723/0xbe0 [ 8684.162980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8684.162980][ T10] ___sys_sendmsg+0xee/0x170 [ 8684.162980][ T10] __sys_sendmsg+0xcd/0x170 [ 8684.162980][ T10] do_syscall_64+0xc6/0x1e0 [ 8684.162980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8684.162980][ T10] [ 8684.164644][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8684.164889][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8684.164889][ T10] netdev_get_by_index+0x5e/0x80 [ 8684.164889][ T10] fib6_nh_init+0x3d8/0x1580 [ 8684.164889][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8684.164889][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8684.164889][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8684.164889][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8684.164889][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8684.164889][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8684.164889][ T10] addrconf_dad_begin+0x310/0x670 [ 8684.164889][ T10] addrconf_dad_work+0x10b/0xab0 [ 8684.164889][ T10] process_one_work+0x84d/0x18a0 [ 8684.164889][ T10] worker_thread+0x587/0xd30 [ 8684.164889][ T10] kthread+0x28a/0x350 [ 8684.164889][ T10] ret_from_fork+0x31/0x70 [ 8684.164889][ T10] ret_from_fork_asm+0x1a/0x30 [ 8684.164889][ T10] [ 8684.166783][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8684.166783][ T10] netdev_get_by_index+0x5e/0x80 [ 8684.166783][ T10] fib6_nh_init+0x3d8/0x1580 [ 8684.166783][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8684.166783][ T10] ip6_route_add+0x1c/0x140 [ 8684.166783][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8684.166783][ T10] inet6_addr_add+0x4f8/0xa40 [ 8684.166783][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8684.166783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8684.166783][ T10] netlink_rcv_skb+0x130/0x360 [ 8684.166783][ T10] netlink_unicast+0x449/0x710 [ 8684.166783][ T10] netlink_sendmsg+0x723/0xbe0 [ 8684.166783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8684.166783][ T10] ___sys_sendmsg+0xee/0x170 [ 8684.166783][ T10] __sys_sendmsg+0xcd/0x170 [ 8684.166783][ T10] do_syscall_64+0xc6/0x1e0 [ 8684.166783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8684.166783][ T10] [ 8684.168776][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8684.168776][ T10] netdev_get_by_index+0x5e/0x80 [ 8684.168776][ T10] fib6_nh_init+0x3d8/0x1580 [ 8684.168776][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8684.168776][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8684.168776][ T10] ipv6_add_addr+0x411/0x2000 [ 8684.168776][ T10] inet6_addr_add+0x30e/0xa40 [ 8684.168776][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8684.168776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8684.168776][ T10] netlink_rcv_skb+0x130/0x360 [ 8684.168776][ T10] netlink_unicast+0x449/0x710 [ 8684.168776][ T10] netlink_sendmsg+0x723/0xbe0 [ 8684.168776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8684.168776][ T10] ___sys_sendmsg+0xee/0x170 [ 8684.168776][ T10] __sys_sendmsg+0xcd/0x170 [ 8684.168776][ T10] do_syscall_64+0xc6/0x1e0 [ 8684.168776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8684.168776][ T10] [ 8684.170757][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8684.170757][ T10] netdev_get_by_index+0x5e/0x80 [ 8684.170757][ T10] fib6_nh_init+0x3d8/0x1580 [ 8684.170757][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8684.170757][ T10] ip6_route_add+0x1c/0x140 [ 8684.170757][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8684.170757][ T10] addrconf_add_dev+0xe2/0x170 [ 8684.170757][ T10] inet6_addr_add+0x12f/0xa40 [ 8684.170757][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8684.170757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8684.170757][ T10] netlink_rcv_skb+0x130/0x360 [ 8684.170757][ T10] netlink_unicast+0x449/0x710 [ 8684.170757][ T10] netlink_sendmsg+0x723/0xbe0 [ 8684.170757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8684.170757][ T10] ___sys_sendmsg+0xee/0x170 [ 8684.170757][ T10] __sys_sendmsg+0xcd/0x170 [ 8684.170757][ T10] do_syscall_64+0xc6/0x1e0 [ 8684.170757][ T10] [ 8684.172711][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8684.172711][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8684.172711][ T10] ipv6_find_idev+0x102/0x170 [ 8684.172711][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8684.172711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8684.172711][ T10] netlink_rcv_skb+0x130/0x360 [ 8684.172711][ T10] netlink_unicast+0x449/0x710 [ 8684.172711][ T10] netlink_sendmsg+0x723/0xbe0 [ 8684.172711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8684.172711][ T10] ___sys_sendmsg+0xee/0x170 [ 8684.172711][ T10] __sys_sendmsg+0xcd/0x170 [ 8684.172711][ T10] do_syscall_64+0xc6/0x1e0 [ 8684.172711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8684.172711][ T10] [ 8684.174235][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8684.174235][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8684.174235][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8684.174235][ T10] ipv6_find_idev+0x102/0x170 [ 8684.174235][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8684.174235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8684.174235][ T10] netlink_rcv_skb+0x130/0x360 [ 8684.174235][ T10] netlink_unicast+0x449/0x710 [ 8684.174235][ T10] netlink_sendmsg+0x723/0xbe0 [ 8684.174235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8684.174235][ T10] ___sys_sendmsg+0xee/0x170 [ 8684.174235][ T10] __sys_sendmsg+0xcd/0x170 [ 8684.174235][ T10] do_syscall_64+0xc6/0x1e0 [ 8684.174235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8684.174235][ T10] [ 8684.175905][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8684.176160][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8684.176160][ T10] netdev_get_by_index+0x5e/0x80 [ 8684.176160][ T10] fib6_nh_init+0x3d8/0x1580 [ 8684.176160][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8684.176160][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8684.176160][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8684.176160][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8684.176160][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8684.176160][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8684.176160][ T10] addrconf_dad_begin+0x310/0x670 [ 8684.176160][ T10] addrconf_dad_work+0x10b/0xab0 [ 8684.176160][ T10] process_one_work+0x84d/0x18a0 [ 8684.176160][ T10] worker_thread+0x587/0xd30 [ 8684.176160][ T10] kthread+0x28a/0x350 [ 8684.176160][ T10] ret_from_fork+0x31/0x70 [ 8684.176160][ T10] ret_from_fork_asm+0x1a/0x30 [ 8684.176160][ T10] [ 8684.178067][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8684.178067][ T10] netdev_get_by_index+0x5e/0x80 [ 8684.178067][ T10] fib6_nh_init+0x3d8/0x1580 [ 8684.178067][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8684.178067][ T10] ip6_route_add+0x1c/0x140 [ 8684.178067][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8684.178067][ T10] inet6_addr_add+0x4f8/0xa40 [ 8684.178067][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8684.178067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8684.178067][ T10] netlink_rcv_skb+0x130/0x360 [ 8684.178067][ T10] netlink_unicast+0x449/0x710 [ 8684.178067][ T10] netlink_sendmsg+0x723/0xbe0 [ 8684.178067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8684.178067][ T10] ___sys_sendmsg+0xee/0x170 [ 8684.178067][ T10] __sys_sendmsg+0xcd/0x170 [ 8684.178067][ T10] do_syscall_64+0xc6/0x1e0 [ 8684.178067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8684.178067][ T10] [ 8684.180178][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8684.180178][ T10] netdev_get_by_index+0x5e/0x80 [ 8684.180178][ T10] fib6_nh_init+0x3d8/0x1580 [ 8684.180178][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8684.180178][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8684.180178][ T10] ipv6_add_addr+0x411/0x2000 [ 8684.180178][ T10] inet6_addr_add+0x30e/0xa40 [ 8684.180178][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8684.180178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8684.180178][ T10] netlink_rcv_skb+0x130/0x360 [ 8684.180178][ T10] netlink_unicast+0x449/0x710 [ 8684.180178][ T10] netlink_sendmsg+0x723/0xbe0 [ 8684.180178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8684.180178][ T10] ___sys_sendmsg+0xee/0x170 [ 8684.180178][ T10] __sys_sendmsg+0xcd/0x170 [ 8684.180178][ T10] do_syscall_64+0xc6/0x1e0 [ 8684.180178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8684.180178][ T10] [ 8684.182450][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8684.182450][ T10] netdev_get_by_index+0x5e/0x80 [ 8684.182450][ T10] fib6_nh_init+0x3d8/0x1580 [ 8684.182450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8684.182450][ T10] ip6_route_add+0x1c/0x140 [ 8684.182450][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8684.182450][ T10] addrconf_add_dev+0xe2/0x170 [ 8684.182450][ T10] inet6_addr_add+0x12f/0xa40 [ 8684.182450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8684.182450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8684.182450][ T10] netlink_rcv_skb+0x130/0x360 [ 8684.182450][ T10] netlink_unicast+0x449/0x710 [ 8684.182450][ T10] netlink_sendmsg+0x723/0xbe0 [ 8684.182450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8684.182450][ T10] ___sys_sendmsg+0xee/0x170 [ 8684.182450][ T10] __sys_sendmsg+0xcd/0x170 [ 8684.182450][ T10] do_syscall_64+0xc6/0x1e0 [ 8684.182450][ T10] [ 8684.184571][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8684.184571][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8684.184571][ T10] ipv6_find_idev+0x102/0x170 [ 8684.184571][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8684.184571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8684.184571][ T10] netlink_rcv_skb+0x130/0x360 [ 8684.184571][ T10] netlink_unicast+0x449/0x710 [ 8684.184571][ T10] netlink_sendmsg+0x723/0xbe0 [ 8684.184571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8684.184571][ T10] ___sys_sendmsg+0xee/0x170 [ 8684.184571][ T10] __sys_sendmsg+0xcd/0x170 [ 8684.184571][ T10] do_syscall_64+0xc6/0x1e0 [ 8684.184571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8684.184571][ T10] [ 8684.186274][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8684.186274][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8684.186274][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8684.186274][ T10] ipv6_find_idev+0x102/0x170 [ 8684.186274][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8684.186274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8684.186274][ T10] netlink_rcv_skb+0x130/0x360 [ 8684.186274][ T10] netlink_unicast+0x449/0x710 [ 8684.186274][ T10] netlink_sendmsg+0x723/0xbe0 [ 8684.186274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8684.186274][ T10] ___sys_sendmsg+0xee/0x170 [ 8684.186274][ T10] __sys_sendmsg+0xcd/0x170 [ 8684.186274][ T10] do_syscall_64+0xc6/0x1e0 [ 8684.186274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8684.186274][ T10] [ 8684.188847][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8684.189146][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8684.189146][ T10] netdev_get_by_index+0x5e/0x80 [ 8684.189146][ T10] fib6_nh_init+0x3d8/0x1580 [ 8684.189146][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8684.189146][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8684.189146][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8684.189146][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8684.189146][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8684.189146][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8684.189146][ T10] addrconf_dad_begin+0x310/0x670 [ 8684.189146][ T10] addrconf_dad_work+0x10b/0xab0 [ 8684.189146][ T10] process_one_work+0x84d/0x18a0 [ 8684.189146][ T10] worker_thread+0x587/0xd30 [ 8684.189146][ T10] kthread+0x28a/0x350 [ 8684.189146][ T10] ret_from_fork+0x31/0x70 [ 8684.189146][ T10] ret_from_fork_asm+0x1a/0x30 [ 8684.189146][ T10] [ 8684.191275][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8684.191275][ T10] netdev_get_by_index+0x5e/0x80 [ 8684.191275][ T10] fib6_nh_init+0x3d8/0x1580 [ 8684.191275][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8684.191275][ T10] ip6_route_add+0x1c/0x140 [ 8684.191275][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8684.191275][ T10] inet6_addr_add+0x4f8/0xa40 [ 8684.191275][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8684.191275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8684.191275][ T10] netlink_rcv_skb+0x130/0x360 [ 8684.191275][ T10] netlink_unicast+0x449/0x710 [ 8684.191275][ T10] netlink_sendmsg+0x723/0xbe0 [ 8684.191275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8684.191275][ T10] ___sys_sendmsg+0xee/0x170 [ 8684.191275][ T10] __sys_sendmsg+0xcd/0x170 [ 8684.191275][ T10] do_syscall_64+0xc6/0x1e0 [ 8684.191275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8684.191275][ T10] [ 8684.193517][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8684.193517][ T10] netdev_get_by_index+0x5e/0x80 [ 8684.193517][ T10] fib6_nh_init+0x3d8/0x1580 [ 8684.193517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8684.193517][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8684.193517][ T10] ipv6_add_addr+0x411/0x2000 [ 8684.193517][ T10] inet6_addr_add+0x30e/0xa40 [ 8684.193517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8684.193517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8684.193517][ T10] netlink_rcv_skb+0x130/0x360 [ 8684.193517][ T10] netlink_unicast+0x449/0x710 [ 8684.193517][ T10] netlink_sendmsg+0x723/0xbe0 [ 8684.193517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8684.193517][ T10] ___sys_sendmsg+0xee/0x170 [ 8684.193517][ T10] __sys_sendmsg+0xcd/0x170 [ 8684.193517][ T10] do_syscall_64+0xc6/0x1e0 [ 8684.193517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8684.193517][ T10] [ 8684.195740][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8684.195740][ T10] netdev_get_by_index+0x5e/0x80 [ 8684.195740][ T10] fib6_nh_init+0x3d8/0x1580 [ 8684.195740][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8684.195740][ T10] ip6_route_add+0x1c/0x140 [ 8684.195740][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8684.195740][ T10] addrconf_add_dev+0xe2/0x170 [ 8684.195740][ T10] inet6_addr_add+0x12f/0xa40 [ 8684.195740][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8684.195740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8684.195740][ T10] netlink_rcv_skb+0x130/0x360 [ 8684.195740][ T10] netlink_unicast+0x449/0x710 [ 8684.195740][ T10] netlink_sendmsg+0x723/0xbe0 [ 8684.195740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8684.195740][ T10] ___sys_sendmsg+0xee/0x170 [ 8684.195740][ T10] __sys_sendmsg+0xcd/0x170 [ 8684.195740][ T10] do_syscall_64+0xc6/0x1e0 [ 8684.195740][ T10] [ 8684.197935][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8684.197935][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8684.197935][ T10] ipv6_find_idev+0x102/0x170 [ 8684.197935][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8684.197935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8684.197935][ T10] netlink_rcv_skb+0x130/0x360 [ 8684.197935][ T10] netlink_unicast+0x449/0x710 [ 8684.197935][ T10] netlink_sendmsg+0x723/0xbe0 [ 8684.197935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8684.197935][ T10] ___sys_sendmsg+0xee/0x170 [ 8684.197935][ T10] __sys_sendmsg+0xcd/0x170 [ 8684.197935][ T10] do_syscall_64+0xc6/0x1e0 [ 8684.197935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8684.197935][ T10] [ 8684.199581][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8684.199581][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8684.199581][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8684.199581][ T10] ipv6_find_idev+0x102/0x170 [ 8684.199581][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8684.199581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8684.199581][ T10] netlink_rcv_skb+0x130/0x360 [ 8684.199581][ T10] netlink_unicast+0x449/0x710 [ 8684.199581][ T10] netlink_sendmsg+0x723/0xbe0 [ 8684.199581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8684.199581][ T10] ___sys_sendmsg+0xee/0x170 [ 8684.199581][ T10] __sys_sendmsg+0xcd/0x170 [ 8684.199581][ T10] do_syscall_64+0xc6/0x1e0 [ 8684.199581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8684.199581][ T10] [ 8693.385032][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8693.385545][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8693.385545][ T1167] dst_init+0x84/0x4a0 [ 8693.385545][ T1167] dst_alloc+0x97/0x150 [ 8693.385545][ T1167] ip6_dst_alloc+0x23/0x90 [ 8693.385545][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8693.385545][ T1167] ip6_pol_route+0x56f/0x840 [ 8693.385545][ T1167] fib6_rule_lookup+0x334/0x630 [ 8693.385545][ T1167] ip6_route_output_flags+0x259/0x480 [ 8693.385545][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8693.385545][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8693.385545][ T1167] netlink_rcv_skb+0x130/0x360 [ 8693.385545][ T1167] netlink_unicast+0x449/0x710 [ 8693.385545][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8693.385545][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8693.385545][ T1167] ___sys_sendmsg+0xee/0x170 [ 8693.385545][ T1167] __sys_sendmsg+0xcd/0x170 [ 8693.385545][ T1167] do_syscall_64+0xc6/0x1e0 [ 8693.385545][ T1167] [ 8693.387745][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8693.387745][ T1167] netdev_get_by_index+0x5e/0x80 [ 8693.387745][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8693.387745][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8693.387745][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8693.387745][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8693.387745][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8693.387745][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8693.387745][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8693.387745][ T1167] addrconf_dad_begin+0x310/0x670 [ 8693.387745][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8693.387745][ T1167] process_one_work+0x84d/0x18a0 [ 8693.387745][ T1167] worker_thread+0x587/0xd30 [ 8693.387745][ T1167] kthread+0x28a/0x350 [ 8693.387745][ T1167] ret_from_fork+0x31/0x70 [ 8693.387745][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8693.387745][ T1167] [ 8693.389885][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8693.389885][ T1167] netdev_get_by_index+0x5e/0x80 [ 8693.389885][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8693.389885][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8693.389885][ T1167] ip6_route_add+0x1c/0x140 [ 8693.389885][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8693.389885][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8693.389885][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8693.389885][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8693.389885][ T1167] netlink_rcv_skb+0x130/0x360 [ 8693.389885][ T1167] netlink_unicast+0x449/0x710 [ 8693.389885][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8693.389885][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8693.389885][ T1167] ___sys_sendmsg+0xee/0x170 [ 8693.389885][ T1167] __sys_sendmsg+0xcd/0x170 [ 8693.389885][ T1167] do_syscall_64+0xc6/0x1e0 [ 8693.389885][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8693.389885][ T1167] [ 8693.392108][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8693.392108][ T1167] netdev_get_by_index+0x5e/0x80 [ 8693.392108][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8693.392108][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8693.392108][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8693.392108][ T1167] ipv6_add_addr+0x411/0x2000 [ 8693.392108][ T1167] inet6_addr_add+0x30e/0xa40 [ 8693.392108][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8693.392108][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8693.392108][ T1167] netlink_rcv_skb+0x130/0x360 [ 8693.392108][ T1167] netlink_unicast+0x449/0x710 [ 8693.392108][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8693.392108][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8693.392108][ T1167] ___sys_sendmsg+0xee/0x170 [ 8693.392108][ T1167] __sys_sendmsg+0xcd/0x170 [ 8693.392108][ T1167] do_syscall_64+0xc6/0x1e0 [ 8693.392108][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8693.392108][ T1167] [ 8693.394332][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8693.394332][ T1167] netdev_get_by_index+0x5e/0x80 [ 8693.394332][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8693.394332][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8693.394332][ T1167] ip6_route_add+0x1c/0x140 [ 8693.394332][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8693.394332][ T1167] addrconf_add_dev+0xe2/0x170 [ 8693.394332][ T1167] inet6_addr_add+0x12f/0xa40 [ 8693.394332][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8693.394332][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8693.394332][ T1167] netlink_rcv_skb+0x130/0x360 [ 8693.394332][ T1167] netlink_unicast+0x449/0x710 [ 8693.394332][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8693.394332][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8693.394332][ T1167] ___sys_sendmsg+0xee/0x170 [ 8693.394332][ T1167] __sys_sendmsg+0xcd/0x170 [ 8693.394332][ T1167] do_syscall_64+0xc6/0x1e0 [ 8693.394332][ T1167] [ 8693.396516][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8693.396516][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8693.396516][ T1167] ipv6_find_idev+0x102/0x170 [ 8693.396516][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8693.396516][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8693.396516][ T1167] netlink_rcv_skb+0x130/0x360 [ 8693.396516][ T1167] netlink_unicast+0x449/0x710 [ 8693.396516][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8693.396516][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8693.396516][ T1167] ___sys_sendmsg+0xee/0x170 [ 8693.396516][ T1167] __sys_sendmsg+0xcd/0x170 [ 8693.396516][ T1167] do_syscall_64+0xc6/0x1e0 [ 8693.396516][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8693.396516][ T1167] [ 8693.398233][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8693.398233][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8693.398233][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8693.398233][ T1167] ipv6_find_idev+0x102/0x170 [ 8693.398233][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8693.398233][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8693.398233][ T1167] netlink_rcv_skb+0x130/0x360 [ 8693.398233][ T1167] netlink_unicast+0x449/0x710 [ 8693.398233][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8693.398233][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8693.398233][ T1167] ___sys_sendmsg+0xee/0x170 [ 8693.398233][ T1167] __sys_sendmsg+0xcd/0x170 [ 8693.398233][ T1167] do_syscall_64+0xc6/0x1e0 [ 8693.398233][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8693.398233][ T1167] [ 8694.385103][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8694.385476][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8694.385476][ T10] netdev_get_by_index+0x5e/0x80 [ 8694.385476][ T10] fib6_nh_init+0x3d8/0x1580 [ 8694.385476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8694.385476][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8694.385476][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8694.385476][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8694.385476][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8694.385476][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8694.385476][ T10] addrconf_dad_begin+0x310/0x670 [ 8694.385476][ T10] addrconf_dad_work+0x10b/0xab0 [ 8694.385476][ T10] process_one_work+0x84d/0x18a0 [ 8694.385476][ T10] worker_thread+0x587/0xd30 [ 8694.385476][ T10] kthread+0x28a/0x350 [ 8694.385476][ T10] ret_from_fork+0x31/0x70 [ 8694.385476][ T10] ret_from_fork_asm+0x1a/0x30 [ 8694.385476][ T10] [ 8694.387407][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8694.387407][ T10] netdev_get_by_index+0x5e/0x80 [ 8694.387407][ T10] fib6_nh_init+0x3d8/0x1580 [ 8694.387407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8694.387407][ T10] ip6_route_add+0x1c/0x140 [ 8694.387407][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8694.387407][ T10] inet6_addr_add+0x4f8/0xa40 [ 8694.387407][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8694.387407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8694.387407][ T10] netlink_rcv_skb+0x130/0x360 [ 8694.387407][ T10] netlink_unicast+0x449/0x710 [ 8694.387407][ T10] netlink_sendmsg+0x723/0xbe0 [ 8694.387407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8694.387407][ T10] ___sys_sendmsg+0xee/0x170 [ 8694.387407][ T10] __sys_sendmsg+0xcd/0x170 [ 8694.387407][ T10] do_syscall_64+0xc6/0x1e0 [ 8694.387407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8694.387407][ T10] [ 8694.389390][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8694.389390][ T10] netdev_get_by_index+0x5e/0x80 [ 8694.389390][ T10] fib6_nh_init+0x3d8/0x1580 [ 8694.389390][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8694.389390][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8694.389390][ T10] ipv6_add_addr+0x411/0x2000 [ 8694.389390][ T10] inet6_addr_add+0x30e/0xa40 [ 8694.389390][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8694.389390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8694.389390][ T10] netlink_rcv_skb+0x130/0x360 [ 8694.389390][ T10] netlink_unicast+0x449/0x710 [ 8694.389390][ T10] netlink_sendmsg+0x723/0xbe0 [ 8694.389390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8694.389390][ T10] ___sys_sendmsg+0xee/0x170 [ 8694.389390][ T10] __sys_sendmsg+0xcd/0x170 [ 8694.389390][ T10] do_syscall_64+0xc6/0x1e0 [ 8694.389390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8694.389390][ T10] [ 8694.391376][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8694.391376][ T10] netdev_get_by_index+0x5e/0x80 [ 8694.391376][ T10] fib6_nh_init+0x3d8/0x1580 [ 8694.391376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8694.391376][ T10] ip6_route_add+0x1c/0x140 [ 8694.391376][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8694.391376][ T10] addrconf_add_dev+0xe2/0x170 [ 8694.391376][ T10] inet6_addr_add+0x12f/0xa40 [ 8694.391376][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8694.391376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8694.391376][ T10] netlink_rcv_skb+0x130/0x360 [ 8694.391376][ T10] netlink_unicast+0x449/0x710 [ 8694.391376][ T10] netlink_sendmsg+0x723/0xbe0 [ 8694.391376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8694.391376][ T10] ___sys_sendmsg+0xee/0x170 [ 8694.391376][ T10] __sys_sendmsg+0xcd/0x170 [ 8694.391376][ T10] do_syscall_64+0xc6/0x1e0 [ 8694.391376][ T10] [ 8694.393329][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8694.393329][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8694.393329][ T10] ipv6_find_idev+0x102/0x170 [ 8694.393329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8694.393329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8694.393329][ T10] netlink_rcv_skb+0x130/0x360 [ 8694.393329][ T10] netlink_unicast+0x449/0x710 [ 8694.393329][ T10] netlink_sendmsg+0x723/0xbe0 [ 8694.393329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8694.393329][ T10] ___sys_sendmsg+0xee/0x170 [ 8694.393329][ T10] __sys_sendmsg+0xcd/0x170 [ 8694.393329][ T10] do_syscall_64+0xc6/0x1e0 [ 8694.393329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8694.393329][ T10] [ 8694.394853][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8694.394853][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8694.394853][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8694.394853][ T10] ipv6_find_idev+0x102/0x170 [ 8694.394853][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8694.394853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8694.394853][ T10] netlink_rcv_skb+0x130/0x360 [ 8694.394853][ T10] netlink_unicast+0x449/0x710 [ 8694.394853][ T10] netlink_sendmsg+0x723/0xbe0 [ 8694.394853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8694.394853][ T10] ___sys_sendmsg+0xee/0x170 [ 8694.394853][ T10] __sys_sendmsg+0xcd/0x170 [ 8694.394853][ T10] do_syscall_64+0xc6/0x1e0 [ 8694.394853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8694.394853][ T10] [ 8694.396517][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8694.396756][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8694.396756][ T10] netdev_get_by_index+0x5e/0x80 [ 8694.396756][ T10] fib6_nh_init+0x3d8/0x1580 [ 8694.396756][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8694.396756][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8694.396756][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8694.396756][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8694.396756][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8694.396756][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8694.396756][ T10] addrconf_dad_begin+0x310/0x670 [ 8694.396756][ T10] addrconf_dad_work+0x10b/0xab0 [ 8694.396756][ T10] process_one_work+0x84d/0x18a0 [ 8694.396756][ T10] worker_thread+0x587/0xd30 [ 8694.396756][ T10] kthread+0x28a/0x350 [ 8694.396756][ T10] ret_from_fork+0x31/0x70 [ 8694.396756][ T10] ret_from_fork_asm+0x1a/0x30 [ 8694.396756][ T10] [ 8694.398658][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8694.398658][ T10] netdev_get_by_index+0x5e/0x80 [ 8694.398658][ T10] fib6_nh_init+0x3d8/0x1580 [ 8694.398658][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8694.398658][ T10] ip6_route_add+0x1c/0x140 [ 8694.398658][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8694.398658][ T10] inet6_addr_add+0x4f8/0xa40 [ 8694.398658][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8694.398658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8694.398658][ T10] netlink_rcv_skb+0x130/0x360 [ 8694.398658][ T10] netlink_unicast+0x449/0x710 [ 8694.398658][ T10] netlink_sendmsg+0x723/0xbe0 [ 8694.398658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8694.398658][ T10] ___sys_sendmsg+0xee/0x170 [ 8694.398658][ T10] __sys_sendmsg+0xcd/0x170 [ 8694.398658][ T10] do_syscall_64+0xc6/0x1e0 [ 8694.398658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8694.398658][ T10] [ 8694.400671][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8694.400671][ T10] netdev_get_by_index+0x5e/0x80 [ 8694.400671][ T10] fib6_nh_init+0x3d8/0x1580 [ 8694.400671][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8694.400671][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8694.400671][ T10] ipv6_add_addr+0x411/0x2000 [ 8694.400671][ T10] inet6_addr_add+0x30e/0xa40 [ 8694.400671][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8694.400671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8694.400671][ T10] netlink_rcv_skb+0x130/0x360 [ 8694.400671][ T10] netlink_unicast+0x449/0x710 [ 8694.400671][ T10] netlink_sendmsg+0x723/0xbe0 [ 8694.400671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8694.400671][ T10] ___sys_sendmsg+0xee/0x170 [ 8694.400671][ T10] __sys_sendmsg+0xcd/0x170 [ 8694.400671][ T10] do_syscall_64+0xc6/0x1e0 [ 8694.400671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8694.400671][ T10] [ 8694.402652][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8694.402652][ T10] netdev_get_by_index+0x5e/0x80 [ 8694.402652][ T10] fib6_nh_init+0x3d8/0x1580 [ 8694.402652][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8694.402652][ T10] ip6_route_add+0x1c/0x140 [ 8694.402652][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8694.402652][ T10] addrconf_add_dev+0xe2/0x170 [ 8694.402652][ T10] inet6_addr_add+0x12f/0xa40 [ 8694.402652][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8694.402652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8694.402652][ T10] netlink_rcv_skb+0x130/0x360 [ 8694.402652][ T10] netlink_unicast+0x449/0x710 [ 8694.402652][ T10] netlink_sendmsg+0x723/0xbe0 [ 8694.402652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8694.402652][ T10] ___sys_sendmsg+0xee/0x170 [ 8694.402652][ T10] __sys_sendmsg+0xcd/0x170 [ 8694.402652][ T10] do_syscall_64+0xc6/0x1e0 [ 8694.402652][ T10] [ 8694.404624][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8694.404624][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8694.404624][ T10] ipv6_find_idev+0x102/0x170 [ 8694.404624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8694.404624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8694.404624][ T10] netlink_rcv_skb+0x130/0x360 [ 8694.404624][ T10] netlink_unicast+0x449/0x710 [ 8694.404624][ T10] netlink_sendmsg+0x723/0xbe0 [ 8694.404624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8694.404624][ T10] ___sys_sendmsg+0xee/0x170 [ 8694.404624][ T10] __sys_sendmsg+0xcd/0x170 [ 8694.404624][ T10] do_syscall_64+0xc6/0x1e0 [ 8694.404624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8694.404624][ T10] [ 8694.406149][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8694.406149][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8694.406149][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8694.406149][ T10] ipv6_find_idev+0x102/0x170 [ 8694.406149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8694.406149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8694.406149][ T10] netlink_rcv_skb+0x130/0x360 [ 8694.406149][ T10] netlink_unicast+0x449/0x710 [ 8694.406149][ T10] netlink_sendmsg+0x723/0xbe0 [ 8694.406149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8694.406149][ T10] ___sys_sendmsg+0xee/0x170 [ 8694.406149][ T10] __sys_sendmsg+0xcd/0x170 [ 8694.406149][ T10] do_syscall_64+0xc6/0x1e0 [ 8694.406149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8694.406149][ T10] [ 8694.407830][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8694.408079][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8694.408079][ T10] netdev_get_by_index+0x5e/0x80 [ 8694.408079][ T10] fib6_nh_init+0x3d8/0x1580 [ 8694.408079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8694.408079][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8694.408079][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8694.408079][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8694.408079][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8694.408079][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8694.408079][ T10] addrconf_dad_begin+0x310/0x670 [ 8694.408079][ T10] addrconf_dad_work+0x10b/0xab0 [ 8694.408079][ T10] process_one_work+0x84d/0x18a0 [ 8694.408079][ T10] worker_thread+0x587/0xd30 [ 8694.408079][ T10] kthread+0x28a/0x350 [ 8694.408079][ T10] ret_from_fork+0x31/0x70 [ 8694.408079][ T10] ret_from_fork_asm+0x1a/0x30 [ 8694.408079][ T10] [ 8694.410014][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8694.410014][ T10] netdev_get_by_index+0x5e/0x80 [ 8694.410014][ T10] fib6_nh_init+0x3d8/0x1580 [ 8694.410014][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8694.410014][ T10] ip6_route_add+0x1c/0x140 [ 8694.410014][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8694.410014][ T10] inet6_addr_add+0x4f8/0xa40 [ 8694.410014][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8694.410014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8694.410014][ T10] netlink_rcv_skb+0x130/0x360 [ 8694.410014][ T10] netlink_unicast+0x449/0x710 [ 8694.410014][ T10] netlink_sendmsg+0x723/0xbe0 [ 8694.410014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8694.410014][ T10] ___sys_sendmsg+0xee/0x170 [ 8694.410014][ T10] __sys_sendmsg+0xcd/0x170 [ 8694.410014][ T10] do_syscall_64+0xc6/0x1e0 [ 8694.410014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8694.410014][ T10] [ 8694.412303][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8694.412303][ T10] netdev_get_by_index+0x5e/0x80 [ 8694.412303][ T10] fib6_nh_init+0x3d8/0x1580 [ 8694.412303][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8694.412303][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8694.412303][ T10] ipv6_add_addr+0x411/0x2000 [ 8694.412303][ T10] inet6_addr_add+0x30e/0xa40 [ 8694.412303][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8694.412303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8694.412303][ T10] netlink_rcv_skb+0x130/0x360 [ 8694.412303][ T10] netlink_unicast+0x449/0x710 [ 8694.412303][ T10] netlink_sendmsg+0x723/0xbe0 [ 8694.412303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8694.412303][ T10] ___sys_sendmsg+0xee/0x170 [ 8694.412303][ T10] __sys_sendmsg+0xcd/0x170 [ 8694.412303][ T10] do_syscall_64+0xc6/0x1e0 [ 8694.412303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8694.412303][ T10] [ 8694.414526][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8694.414526][ T10] netdev_get_by_index+0x5e/0x80 [ 8694.414526][ T10] fib6_nh_init+0x3d8/0x1580 [ 8694.414526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8694.414526][ T10] ip6_route_add+0x1c/0x140 [ 8694.414526][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8694.414526][ T10] addrconf_add_dev+0xe2/0x170 [ 8694.414526][ T10] inet6_addr_add+0x12f/0xa40 [ 8694.414526][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8694.414526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8694.414526][ T10] netlink_rcv_skb+0x130/0x360 [ 8694.414526][ T10] netlink_unicast+0x449/0x710 [ 8694.414526][ T10] netlink_sendmsg+0x723/0xbe0 [ 8694.414526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8694.414526][ T10] ___sys_sendmsg+0xee/0x170 [ 8694.414526][ T10] __sys_sendmsg+0xcd/0x170 [ 8694.414526][ T10] do_syscall_64+0xc6/0x1e0 [ 8694.414526][ T10] [ 8694.416652][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8694.416652][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8694.416652][ T10] ipv6_find_idev+0x102/0x170 [ 8694.416652][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8694.416652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8694.416652][ T10] netlink_rcv_skb+0x130/0x360 [ 8694.416652][ T10] netlink_unicast+0x449/0x710 [ 8694.416652][ T10] netlink_sendmsg+0x723/0xbe0 [ 8694.416652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8694.416652][ T10] ___sys_sendmsg+0xee/0x170 [ 8694.416652][ T10] __sys_sendmsg+0xcd/0x170 [ 8694.416652][ T10] do_syscall_64+0xc6/0x1e0 [ 8694.416652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8694.416652][ T10] [ 8694.418365][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8694.418365][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8694.418365][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8694.418365][ T10] ipv6_find_idev+0x102/0x170 [ 8694.418365][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8694.418365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8694.418365][ T10] netlink_rcv_skb+0x130/0x360 [ 8694.418365][ T10] netlink_unicast+0x449/0x710 [ 8694.418365][ T10] netlink_sendmsg+0x723/0xbe0 [ 8694.418365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8694.418365][ T10] ___sys_sendmsg+0xee/0x170 [ 8694.418365][ T10] __sys_sendmsg+0xcd/0x170 [ 8694.418365][ T10] do_syscall_64+0xc6/0x1e0 [ 8694.418365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8694.418365][ T10] [ 8694.420273][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8694.420515][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8694.420515][ T10] netdev_get_by_index+0x5e/0x80 [ 8694.420515][ T10] fib6_nh_init+0x3d8/0x1580 [ 8694.420515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8694.420515][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8694.420515][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8694.420515][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8694.420515][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8694.420515][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8694.420515][ T10] addrconf_dad_begin+0x310/0x670 [ 8694.420515][ T10] addrconf_dad_work+0x10b/0xab0 [ 8694.420515][ T10] process_one_work+0x84d/0x18a0 [ 8694.420515][ T10] worker_thread+0x587/0xd30 [ 8694.420515][ T10] kthread+0x28a/0x350 [ 8694.420515][ T10] ret_from_fork+0x31/0x70 [ 8694.420515][ T10] ret_from_fork_asm+0x1a/0x30 [ 8694.420515][ T10] [ 8694.422665][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8694.422665][ T10] netdev_get_by_index+0x5e/0x80 [ 8694.422665][ T10] fib6_nh_init+0x3d8/0x1580 [ 8694.422665][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8694.422665][ T10] ip6_route_add+0x1c/0x140 [ 8694.422665][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8694.422665][ T10] inet6_addr_add+0x4f8/0xa40 [ 8694.422665][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8694.422665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8694.422665][ T10] netlink_rcv_skb+0x130/0x360 [ 8694.422665][ T10] netlink_unicast+0x449/0x710 [ 8694.422665][ T10] netlink_sendmsg+0x723/0xbe0 [ 8694.422665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8694.422665][ T10] ___sys_sendmsg+0xee/0x170 [ 8694.422665][ T10] __sys_sendmsg+0xcd/0x170 [ 8694.422665][ T10] do_syscall_64+0xc6/0x1e0 [ 8694.422665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8694.422665][ T10] [ 8694.424835][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8694.424835][ T10] netdev_get_by_index+0x5e/0x80 [ 8694.424835][ T10] fib6_nh_init+0x3d8/0x1580 [ 8694.424835][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8694.424835][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8694.424835][ T10] ipv6_add_addr+0x411/0x2000 [ 8694.424835][ T10] inet6_addr_add+0x30e/0xa40 [ 8694.424835][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8694.424835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8694.424835][ T10] netlink_rcv_skb+0x130/0x360 [ 8694.424835][ T10] netlink_unicast+0x449/0x710 [ 8694.424835][ T10] netlink_sendmsg+0x723/0xbe0 [ 8694.424835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8694.424835][ T10] ___sys_sendmsg+0xee/0x170 [ 8694.424835][ T10] __sys_sendmsg+0xcd/0x170 [ 8694.424835][ T10] do_syscall_64+0xc6/0x1e0 [ 8694.424835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8694.424835][ T10] [ 8694.427056][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8694.427056][ T10] netdev_get_by_index+0x5e/0x80 [ 8694.427056][ T10] fib6_nh_init+0x3d8/0x1580 [ 8694.427056][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8694.427056][ T10] ip6_route_add+0x1c/0x140 [ 8694.427056][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8694.427056][ T10] addrconf_add_dev+0xe2/0x170 [ 8694.427056][ T10] inet6_addr_add+0x12f/0xa40 [ 8694.427056][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8694.427056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8694.427056][ T10] netlink_rcv_skb+0x130/0x360 [ 8694.427056][ T10] netlink_unicast+0x449/0x710 [ 8694.427056][ T10] netlink_sendmsg+0x723/0xbe0 [ 8694.427056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8694.427056][ T10] ___sys_sendmsg+0xee/0x170 [ 8694.427056][ T10] __sys_sendmsg+0xcd/0x170 [ 8694.427056][ T10] do_syscall_64+0xc6/0x1e0 [ 8694.427056][ T10] [ 8694.429254][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8694.429254][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8694.429254][ T10] ipv6_find_idev+0x102/0x170 [ 8694.429254][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8694.429254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8694.429254][ T10] netlink_rcv_skb+0x130/0x360 [ 8694.429254][ T10] netlink_unicast+0x449/0x710 [ 8694.429254][ T10] netlink_sendmsg+0x723/0xbe0 [ 8694.429254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8694.429254][ T10] ___sys_sendmsg+0xee/0x170 [ 8694.429254][ T10] __sys_sendmsg+0xcd/0x170 [ 8694.429254][ T10] do_syscall_64+0xc6/0x1e0 [ 8694.429254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8694.429254][ T10] [ 8694.431026][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8694.431026][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8694.431026][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8694.431026][ T10] ipv6_find_idev+0x102/0x170 [ 8694.431026][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8694.431026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8694.431026][ T10] netlink_rcv_skb+0x130/0x360 [ 8694.431026][ T10] netlink_unicast+0x449/0x710 [ 8694.431026][ T10] netlink_sendmsg+0x723/0xbe0 [ 8694.431026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8694.431026][ T10] ___sys_sendmsg+0xee/0x170 [ 8694.431026][ T10] __sys_sendmsg+0xcd/0x170 [ 8694.431026][ T10] do_syscall_64+0xc6/0x1e0 [ 8694.431026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8694.431026][ T10] [ 8703.601116][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8703.601593][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8703.601593][ T1167] dst_init+0x84/0x4a0 [ 8703.601593][ T1167] dst_alloc+0x97/0x150 [ 8703.601593][ T1167] ip6_dst_alloc+0x23/0x90 [ 8703.601593][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8703.601593][ T1167] ip6_pol_route+0x56f/0x840 [ 8703.601593][ T1167] fib6_rule_lookup+0x334/0x630 [ 8703.601593][ T1167] ip6_route_output_flags+0x259/0x480 [ 8703.601593][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8703.601593][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8703.601593][ T1167] netlink_rcv_skb+0x130/0x360 [ 8703.601593][ T1167] netlink_unicast+0x449/0x710 [ 8703.601593][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8703.601593][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8703.601593][ T1167] ___sys_sendmsg+0xee/0x170 [ 8703.601593][ T1167] __sys_sendmsg+0xcd/0x170 [ 8703.601593][ T1167] do_syscall_64+0xc6/0x1e0 [ 8703.601593][ T1167] [ 8703.603794][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8703.603794][ T1167] netdev_get_by_index+0x5e/0x80 [ 8703.603794][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8703.603794][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8703.603794][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8703.603794][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8703.603794][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8703.603794][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8703.603794][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8703.603794][ T1167] addrconf_dad_begin+0x310/0x670 [ 8703.603794][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8703.603794][ T1167] process_one_work+0x84d/0x18a0 [ 8703.603794][ T1167] worker_thread+0x587/0xd30 [ 8703.603794][ T1167] kthread+0x28a/0x350 [ 8703.603794][ T1167] ret_from_fork+0x31/0x70 [ 8703.603794][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8703.603794][ T1167] [ 8703.605953][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8703.605953][ T1167] netdev_get_by_index+0x5e/0x80 [ 8703.605953][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8703.605953][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8703.605953][ T1167] ip6_route_add+0x1c/0x140 [ 8703.605953][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8703.605953][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8703.605953][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8703.605953][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8703.605953][ T1167] netlink_rcv_skb+0x130/0x360 [ 8703.605953][ T1167] netlink_unicast+0x449/0x710 [ 8703.605953][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8703.605953][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8703.605953][ T1167] ___sys_sendmsg+0xee/0x170 [ 8703.605953][ T1167] __sys_sendmsg+0xcd/0x170 [ 8703.605953][ T1167] do_syscall_64+0xc6/0x1e0 [ 8703.605953][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8703.605953][ T1167] [ 8703.608209][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8703.608209][ T1167] netdev_get_by_index+0x5e/0x80 [ 8703.608209][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8703.608209][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8703.608209][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8703.608209][ T1167] ipv6_add_addr+0x411/0x2000 [ 8703.608209][ T1167] inet6_addr_add+0x30e/0xa40 [ 8703.608209][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8703.608209][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8703.608209][ T1167] netlink_rcv_skb+0x130/0x360 [ 8703.608209][ T1167] netlink_unicast+0x449/0x710 [ 8703.608209][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8703.608209][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8703.608209][ T1167] ___sys_sendmsg+0xee/0x170 [ 8703.608209][ T1167] __sys_sendmsg+0xcd/0x170 [ 8703.608209][ T1167] do_syscall_64+0xc6/0x1e0 [ 8703.608209][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8703.608209][ T1167] [ 8703.610443][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8703.610443][ T1167] netdev_get_by_index+0x5e/0x80 [ 8703.610443][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8703.610443][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8703.610443][ T1167] ip6_route_add+0x1c/0x140 [ 8703.610443][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8703.610443][ T1167] addrconf_add_dev+0xe2/0x170 [ 8703.610443][ T1167] inet6_addr_add+0x12f/0xa40 [ 8703.610443][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8703.610443][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8703.610443][ T1167] netlink_rcv_skb+0x130/0x360 [ 8703.610443][ T1167] netlink_unicast+0x449/0x710 [ 8703.610443][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8703.610443][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8703.610443][ T1167] ___sys_sendmsg+0xee/0x170 [ 8703.610443][ T1167] __sys_sendmsg+0xcd/0x170 [ 8703.610443][ T1167] do_syscall_64+0xc6/0x1e0 [ 8703.610443][ T1167] [ 8703.613147][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8703.613147][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8703.613147][ T1167] ipv6_find_idev+0x102/0x170 [ 8703.613147][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8703.613147][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8703.613147][ T1167] netlink_rcv_skb+0x130/0x360 [ 8703.613147][ T1167] netlink_unicast+0x449/0x710 [ 8703.613147][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8703.613147][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8703.613147][ T1167] ___sys_sendmsg+0xee/0x170 [ 8703.613147][ T1167] __sys_sendmsg+0xcd/0x170 [ 8703.613147][ T1167] do_syscall_64+0xc6/0x1e0 [ 8703.613147][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8703.613147][ T1167] [ 8703.614861][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8703.614861][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8703.614861][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8703.614861][ T1167] ipv6_find_idev+0x102/0x170 [ 8703.614861][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8703.614861][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8703.614861][ T1167] netlink_rcv_skb+0x130/0x360 [ 8703.614861][ T1167] netlink_unicast+0x449/0x710 [ 8703.614861][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8703.614861][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8703.614861][ T1167] ___sys_sendmsg+0xee/0x170 [ 8703.614861][ T1167] __sys_sendmsg+0xcd/0x170 [ 8703.614861][ T1167] do_syscall_64+0xc6/0x1e0 [ 8703.614861][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8703.614861][ T1167] [ 8704.641101][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8704.641419][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8704.641419][ T10] netdev_get_by_index+0x5e/0x80 [ 8704.641419][ T10] fib6_nh_init+0x3d8/0x1580 [ 8704.641419][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8704.641419][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8704.641419][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8704.641419][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8704.641419][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8704.641419][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8704.641419][ T10] addrconf_dad_begin+0x310/0x670 [ 8704.641419][ T10] addrconf_dad_work+0x10b/0xab0 [ 8704.641419][ T10] process_one_work+0x84d/0x18a0 [ 8704.641419][ T10] worker_thread+0x587/0xd30 [ 8704.641419][ T10] kthread+0x28a/0x350 [ 8704.641419][ T10] ret_from_fork+0x31/0x70 [ 8704.641419][ T10] ret_from_fork_asm+0x1a/0x30 [ 8704.641419][ T10] [ 8704.643334][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8704.643334][ T10] netdev_get_by_index+0x5e/0x80 [ 8704.643334][ T10] fib6_nh_init+0x3d8/0x1580 [ 8704.643334][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8704.643334][ T10] ip6_route_add+0x1c/0x140 [ 8704.643334][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8704.643334][ T10] inet6_addr_add+0x4f8/0xa40 [ 8704.643334][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8704.643334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8704.643334][ T10] netlink_rcv_skb+0x130/0x360 [ 8704.643334][ T10] netlink_unicast+0x449/0x710 [ 8704.643334][ T10] netlink_sendmsg+0x723/0xbe0 [ 8704.643334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8704.643334][ T10] ___sys_sendmsg+0xee/0x170 [ 8704.643334][ T10] __sys_sendmsg+0xcd/0x170 [ 8704.643334][ T10] do_syscall_64+0xc6/0x1e0 [ 8704.643334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8704.643334][ T10] [ 8704.645328][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8704.645328][ T10] netdev_get_by_index+0x5e/0x80 [ 8704.645328][ T10] fib6_nh_init+0x3d8/0x1580 [ 8704.645328][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8704.645328][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8704.645328][ T10] ipv6_add_addr+0x411/0x2000 [ 8704.645328][ T10] inet6_addr_add+0x30e/0xa40 [ 8704.645328][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8704.645328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8704.645328][ T10] netlink_rcv_skb+0x130/0x360 [ 8704.645328][ T10] netlink_unicast+0x449/0x710 [ 8704.645328][ T10] netlink_sendmsg+0x723/0xbe0 [ 8704.645328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8704.645328][ T10] ___sys_sendmsg+0xee/0x170 [ 8704.645328][ T10] __sys_sendmsg+0xcd/0x170 [ 8704.645328][ T10] do_syscall_64+0xc6/0x1e0 [ 8704.645328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8704.645328][ T10] [ 8704.647316][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8704.647316][ T10] netdev_get_by_index+0x5e/0x80 [ 8704.647316][ T10] fib6_nh_init+0x3d8/0x1580 [ 8704.647316][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8704.647316][ T10] ip6_route_add+0x1c/0x140 [ 8704.647316][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8704.647316][ T10] addrconf_add_dev+0xe2/0x170 [ 8704.647316][ T10] inet6_addr_add+0x12f/0xa40 [ 8704.647316][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8704.647316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8704.647316][ T10] netlink_rcv_skb+0x130/0x360 [ 8704.647316][ T10] netlink_unicast+0x449/0x710 [ 8704.647316][ T10] netlink_sendmsg+0x723/0xbe0 [ 8704.647316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8704.647316][ T10] ___sys_sendmsg+0xee/0x170 [ 8704.647316][ T10] __sys_sendmsg+0xcd/0x170 [ 8704.647316][ T10] do_syscall_64+0xc6/0x1e0 [ 8704.647316][ T10] [ 8704.649369][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8704.649369][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8704.649369][ T10] ipv6_find_idev+0x102/0x170 [ 8704.649369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8704.649369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8704.649369][ T10] netlink_rcv_skb+0x130/0x360 [ 8704.649369][ T10] netlink_unicast+0x449/0x710 [ 8704.649369][ T10] netlink_sendmsg+0x723/0xbe0 [ 8704.649369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8704.649369][ T10] ___sys_sendmsg+0xee/0x170 [ 8704.649369][ T10] __sys_sendmsg+0xcd/0x170 [ 8704.649369][ T10] do_syscall_64+0xc6/0x1e0 [ 8704.649369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8704.649369][ T10] [ 8704.650904][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8704.650904][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8704.650904][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8704.650904][ T10] ipv6_find_idev+0x102/0x170 [ 8704.650904][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8704.650904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8704.650904][ T10] netlink_rcv_skb+0x130/0x360 [ 8704.650904][ T10] netlink_unicast+0x449/0x710 [ 8704.650904][ T10] netlink_sendmsg+0x723/0xbe0 [ 8704.650904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8704.650904][ T10] ___sys_sendmsg+0xee/0x170 [ 8704.650904][ T10] __sys_sendmsg+0xcd/0x170 [ 8704.650904][ T10] do_syscall_64+0xc6/0x1e0 [ 8704.650904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8704.650904][ T10] [ 8704.652573][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8704.652825][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8704.652825][ T10] netdev_get_by_index+0x5e/0x80 [ 8704.652825][ T10] fib6_nh_init+0x3d8/0x1580 [ 8704.652825][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8704.652825][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8704.652825][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8704.652825][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8704.652825][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8704.652825][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8704.652825][ T10] addrconf_dad_begin+0x310/0x670 [ 8704.652825][ T10] addrconf_dad_work+0x10b/0xab0 [ 8704.652825][ T10] process_one_work+0x84d/0x18a0 [ 8704.652825][ T10] worker_thread+0x587/0xd30 [ 8704.652825][ T10] kthread+0x28a/0x350 [ 8704.652825][ T10] ret_from_fork+0x31/0x70 [ 8704.652825][ T10] ret_from_fork_asm+0x1a/0x30 [ 8704.652825][ T10] [ 8704.654720][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8704.654720][ T10] netdev_get_by_index+0x5e/0x80 [ 8704.654720][ T10] fib6_nh_init+0x3d8/0x1580 [ 8704.654720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8704.654720][ T10] ip6_route_add+0x1c/0x140 [ 8704.654720][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8704.654720][ T10] inet6_addr_add+0x4f8/0xa40 [ 8704.654720][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8704.654720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8704.654720][ T10] netlink_rcv_skb+0x130/0x360 [ 8704.654720][ T10] netlink_unicast+0x449/0x710 [ 8704.654720][ T10] netlink_sendmsg+0x723/0xbe0 [ 8704.654720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8704.654720][ T10] ___sys_sendmsg+0xee/0x170 [ 8704.654720][ T10] __sys_sendmsg+0xcd/0x170 [ 8704.654720][ T10] do_syscall_64+0xc6/0x1e0 [ 8704.654720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8704.654720][ T10] [ 8704.656705][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8704.656705][ T10] netdev_get_by_index+0x5e/0x80 [ 8704.656705][ T10] fib6_nh_init+0x3d8/0x1580 [ 8704.656705][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8704.656705][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8704.656705][ T10] ipv6_add_addr+0x411/0x2000 [ 8704.656705][ T10] inet6_addr_add+0x30e/0xa40 [ 8704.656705][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8704.656705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8704.656705][ T10] netlink_rcv_skb+0x130/0x360 [ 8704.656705][ T10] netlink_unicast+0x449/0x710 [ 8704.656705][ T10] netlink_sendmsg+0x723/0xbe0 [ 8704.656705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8704.656705][ T10] ___sys_sendmsg+0xee/0x170 [ 8704.656705][ T10] __sys_sendmsg+0xcd/0x170 [ 8704.656705][ T10] do_syscall_64+0xc6/0x1e0 [ 8704.656705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8704.656705][ T10] [ 8704.658701][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8704.658701][ T10] netdev_get_by_index+0x5e/0x80 [ 8704.658701][ T10] fib6_nh_init+0x3d8/0x1580 [ 8704.658701][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8704.658701][ T10] ip6_route_add+0x1c/0x140 [ 8704.658701][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8704.658701][ T10] addrconf_add_dev+0xe2/0x170 [ 8704.658701][ T10] inet6_addr_add+0x12f/0xa40 [ 8704.658701][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8704.658701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8704.658701][ T10] netlink_rcv_skb+0x130/0x360 [ 8704.658701][ T10] netlink_unicast+0x449/0x710 [ 8704.658701][ T10] netlink_sendmsg+0x723/0xbe0 [ 8704.658701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8704.658701][ T10] ___sys_sendmsg+0xee/0x170 [ 8704.658701][ T10] __sys_sendmsg+0xcd/0x170 [ 8704.658701][ T10] do_syscall_64+0xc6/0x1e0 [ 8704.658701][ T10] [ 8704.660648][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8704.660648][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8704.660648][ T10] ipv6_find_idev+0x102/0x170 [ 8704.660648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8704.660648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8704.660648][ T10] netlink_rcv_skb+0x130/0x360 [ 8704.660648][ T10] netlink_unicast+0x449/0x710 [ 8704.660648][ T10] netlink_sendmsg+0x723/0xbe0 [ 8704.660648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8704.660648][ T10] ___sys_sendmsg+0xee/0x170 [ 8704.660648][ T10] __sys_sendmsg+0xcd/0x170 [ 8704.660648][ T10] do_syscall_64+0xc6/0x1e0 [ 8704.660648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8704.660648][ T10] [ 8704.662173][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8704.662173][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8704.662173][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8704.662173][ T10] ipv6_find_idev+0x102/0x170 [ 8704.662173][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8704.662173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8704.662173][ T10] netlink_rcv_skb+0x130/0x360 [ 8704.662173][ T10] netlink_unicast+0x449/0x710 [ 8704.662173][ T10] netlink_sendmsg+0x723/0xbe0 [ 8704.662173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8704.662173][ T10] ___sys_sendmsg+0xee/0x170 [ 8704.662173][ T10] __sys_sendmsg+0xcd/0x170 [ 8704.662173][ T10] do_syscall_64+0xc6/0x1e0 [ 8704.662173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8704.662173][ T10] [ 8704.663842][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8704.664093][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8704.664093][ T10] netdev_get_by_index+0x5e/0x80 [ 8704.664093][ T10] fib6_nh_init+0x3d8/0x1580 [ 8704.664093][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8704.664093][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8704.664093][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8704.664093][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8704.664093][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8704.664093][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8704.664093][ T10] addrconf_dad_begin+0x310/0x670 [ 8704.664093][ T10] addrconf_dad_work+0x10b/0xab0 [ 8704.664093][ T10] process_one_work+0x84d/0x18a0 [ 8704.664093][ T10] worker_thread+0x587/0xd30 [ 8704.664093][ T10] kthread+0x28a/0x350 [ 8704.664093][ T10] ret_from_fork+0x31/0x70 [ 8704.664093][ T10] ret_from_fork_asm+0x1a/0x30 [ 8704.664093][ T10] [ 8704.665990][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8704.665990][ T10] netdev_get_by_index+0x5e/0x80 [ 8704.665990][ T10] fib6_nh_init+0x3d8/0x1580 [ 8704.665990][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8704.665990][ T10] ip6_route_add+0x1c/0x140 [ 8704.665990][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8704.665990][ T10] inet6_addr_add+0x4f8/0xa40 [ 8704.665990][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8704.665990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8704.665990][ T10] netlink_rcv_skb+0x130/0x360 [ 8704.665990][ T10] netlink_unicast+0x449/0x710 [ 8704.665990][ T10] netlink_sendmsg+0x723/0xbe0 [ 8704.665990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8704.665990][ T10] ___sys_sendmsg+0xee/0x170 [ 8704.665990][ T10] __sys_sendmsg+0xcd/0x170 [ 8704.665990][ T10] do_syscall_64+0xc6/0x1e0 [ 8704.665990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8704.665990][ T10] [ 8704.668166][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8704.668166][ T10] netdev_get_by_index+0x5e/0x80 [ 8704.668166][ T10] fib6_nh_init+0x3d8/0x1580 [ 8704.668166][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8704.668166][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8704.668166][ T10] ipv6_add_addr+0x411/0x2000 [ 8704.668166][ T10] inet6_addr_add+0x30e/0xa40 [ 8704.668166][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8704.668166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8704.668166][ T10] netlink_rcv_skb+0x130/0x360 [ 8704.668166][ T10] netlink_unicast+0x449/0x710 [ 8704.668166][ T10] netlink_sendmsg+0x723/0xbe0 [ 8704.668166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8704.668166][ T10] ___sys_sendmsg+0xee/0x170 [ 8704.668166][ T10] __sys_sendmsg+0xcd/0x170 [ 8704.668166][ T10] do_syscall_64+0xc6/0x1e0 [ 8704.668166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8704.668166][ T10] [ 8704.670445][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8704.670445][ T10] netdev_get_by_index+0x5e/0x80 [ 8704.670445][ T10] fib6_nh_init+0x3d8/0x1580 [ 8704.670445][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8704.670445][ T10] ip6_route_add+0x1c/0x140 [ 8704.670445][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8704.670445][ T10] addrconf_add_dev+0xe2/0x170 [ 8704.670445][ T10] inet6_addr_add+0x12f/0xa40 [ 8704.670445][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8704.670445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8704.670445][ T10] netlink_rcv_skb+0x130/0x360 [ 8704.670445][ T10] netlink_unicast+0x449/0x710 [ 8704.670445][ T10] netlink_sendmsg+0x723/0xbe0 [ 8704.670445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8704.670445][ T10] ___sys_sendmsg+0xee/0x170 [ 8704.670445][ T10] __sys_sendmsg+0xcd/0x170 [ 8704.670445][ T10] do_syscall_64+0xc6/0x1e0 [ 8704.670445][ T10] [ 8704.672565][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8704.672565][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8704.672565][ T10] ipv6_find_idev+0x102/0x170 [ 8704.672565][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8704.672565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8704.672565][ T10] netlink_rcv_skb+0x130/0x360 [ 8704.672565][ T10] netlink_unicast+0x449/0x710 [ 8704.672565][ T10] netlink_sendmsg+0x723/0xbe0 [ 8704.672565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8704.672565][ T10] ___sys_sendmsg+0xee/0x170 [ 8704.672565][ T10] __sys_sendmsg+0xcd/0x170 [ 8704.672565][ T10] do_syscall_64+0xc6/0x1e0 [ 8704.672565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8704.672565][ T10] [ 8704.674268][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8704.674268][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8704.674268][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8704.674268][ T10] ipv6_find_idev+0x102/0x170 [ 8704.674268][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8704.674268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8704.674268][ T10] netlink_rcv_skb+0x130/0x360 [ 8704.674268][ T10] netlink_unicast+0x449/0x710 [ 8704.674268][ T10] netlink_sendmsg+0x723/0xbe0 [ 8704.674268][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8704.674268][ T10] ___sys_sendmsg+0xee/0x170 [ 8704.674268][ T10] __sys_sendmsg+0xcd/0x170 [ 8704.674268][ T10] do_syscall_64+0xc6/0x1e0 [ 8704.674268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8704.674268][ T10] [ 8704.676635][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8704.676875][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8704.676875][ T10] netdev_get_by_index+0x5e/0x80 [ 8704.676875][ T10] fib6_nh_init+0x3d8/0x1580 [ 8704.676875][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8704.676875][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8704.676875][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8704.676875][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8704.676875][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8704.676875][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8704.676875][ T10] addrconf_dad_begin+0x310/0x670 [ 8704.676875][ T10] addrconf_dad_work+0x10b/0xab0 [ 8704.676875][ T10] process_one_work+0x84d/0x18a0 [ 8704.676875][ T10] worker_thread+0x587/0xd30 [ 8704.676875][ T10] kthread+0x28a/0x350 [ 8704.676875][ T10] ret_from_fork+0x31/0x70 [ 8704.676875][ T10] ret_from_fork_asm+0x1a/0x30 [ 8704.676875][ T10] [ 8704.679080][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8704.679080][ T10] netdev_get_by_index+0x5e/0x80 [ 8704.679080][ T10] fib6_nh_init+0x3d8/0x1580 [ 8704.679080][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8704.679080][ T10] ip6_route_add+0x1c/0x140 [ 8704.679080][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8704.679080][ T10] inet6_addr_add+0x4f8/0xa40 [ 8704.679080][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8704.679080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8704.679080][ T10] netlink_rcv_skb+0x130/0x360 [ 8704.679080][ T10] netlink_unicast+0x449/0x710 [ 8704.679080][ T10] netlink_sendmsg+0x723/0xbe0 [ 8704.679080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8704.679080][ T10] ___sys_sendmsg+0xee/0x170 [ 8704.679080][ T10] __sys_sendmsg+0xcd/0x170 [ 8704.679080][ T10] do_syscall_64+0xc6/0x1e0 [ 8704.679080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8704.679080][ T10] [ 8704.681269][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8704.681269][ T10] netdev_get_by_index+0x5e/0x80 [ 8704.681269][ T10] fib6_nh_init+0x3d8/0x1580 [ 8704.681269][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8704.681269][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8704.681269][ T10] ipv6_add_addr+0x411/0x2000 [ 8704.681269][ T10] inet6_addr_add+0x30e/0xa40 [ 8704.681269][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8704.681269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8704.681269][ T10] netlink_rcv_skb+0x130/0x360 [ 8704.681269][ T10] netlink_unicast+0x449/0x710 [ 8704.681269][ T10] netlink_sendmsg+0x723/0xbe0 [ 8704.681269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8704.681269][ T10] ___sys_sendmsg+0xee/0x170 [ 8704.681269][ T10] __sys_sendmsg+0xcd/0x170 [ 8704.681269][ T10] do_syscall_64+0xc6/0x1e0 [ 8704.681269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8704.681269][ T10] [ 8704.683504][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8704.683504][ T10] netdev_get_by_index+0x5e/0x80 [ 8704.683504][ T10] fib6_nh_init+0x3d8/0x1580 [ 8704.683504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8704.683504][ T10] ip6_route_add+0x1c/0x140 [ 8704.683504][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8704.683504][ T10] addrconf_add_dev+0xe2/0x170 [ 8704.683504][ T10] inet6_addr_add+0x12f/0xa40 [ 8704.683504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8704.683504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8704.683504][ T10] netlink_rcv_skb+0x130/0x360 [ 8704.683504][ T10] netlink_unicast+0x449/0x710 [ 8704.683504][ T10] netlink_sendmsg+0x723/0xbe0 [ 8704.683504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8704.683504][ T10] ___sys_sendmsg+0xee/0x170 [ 8704.683504][ T10] __sys_sendmsg+0xcd/0x170 [ 8704.683504][ T10] do_syscall_64+0xc6/0x1e0 [ 8704.683504][ T10] [ 8704.685684][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8704.685684][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8704.685684][ T10] ipv6_find_idev+0x102/0x170 [ 8704.685684][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8704.685684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8704.685684][ T10] netlink_rcv_skb+0x130/0x360 [ 8704.685684][ T10] netlink_unicast+0x449/0x710 [ 8704.685684][ T10] netlink_sendmsg+0x723/0xbe0 [ 8704.685684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8704.685684][ T10] ___sys_sendmsg+0xee/0x170 [ 8704.685684][ T10] __sys_sendmsg+0xcd/0x170 [ 8704.685684][ T10] do_syscall_64+0xc6/0x1e0 [ 8704.685684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8704.685684][ T10] [ 8704.687395][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8704.687395][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8704.687395][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8704.687395][ T10] ipv6_find_idev+0x102/0x170 [ 8704.687395][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8704.687395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8704.687395][ T10] netlink_rcv_skb+0x130/0x360 [ 8704.687395][ T10] netlink_unicast+0x449/0x710 [ 8704.687395][ T10] netlink_sendmsg+0x723/0xbe0 [ 8704.687395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8704.687395][ T10] ___sys_sendmsg+0xee/0x170 [ 8704.687395][ T10] __sys_sendmsg+0xcd/0x170 [ 8704.687395][ T10] do_syscall_64+0xc6/0x1e0 [ 8704.687395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8704.687395][ T10] [ 8713.649117][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8713.649533][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8713.649533][ T1167] dst_init+0x84/0x4a0 [ 8713.649533][ T1167] dst_alloc+0x97/0x150 [ 8713.649533][ T1167] ip6_dst_alloc+0x23/0x90 [ 8713.649533][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8713.649533][ T1167] ip6_pol_route+0x56f/0x840 [ 8713.649533][ T1167] fib6_rule_lookup+0x334/0x630 [ 8713.649533][ T1167] ip6_route_output_flags+0x259/0x480 [ 8713.649533][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8713.649533][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8713.649533][ T1167] netlink_rcv_skb+0x130/0x360 [ 8713.649533][ T1167] netlink_unicast+0x449/0x710 [ 8713.649533][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8713.649533][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8713.649533][ T1167] ___sys_sendmsg+0xee/0x170 [ 8713.649533][ T1167] __sys_sendmsg+0xcd/0x170 [ 8713.649533][ T1167] do_syscall_64+0xc6/0x1e0 [ 8713.649533][ T1167] [ 8713.651720][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8713.651720][ T1167] netdev_get_by_index+0x5e/0x80 [ 8713.651720][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8713.651720][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8713.651720][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8713.651720][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8713.651720][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8713.651720][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8713.651720][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8713.651720][ T1167] addrconf_dad_begin+0x310/0x670 [ 8713.651720][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8713.651720][ T1167] process_one_work+0x84d/0x18a0 [ 8713.651720][ T1167] worker_thread+0x587/0xd30 [ 8713.651720][ T1167] kthread+0x28a/0x350 [ 8713.651720][ T1167] ret_from_fork+0x31/0x70 [ 8713.651720][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8713.651720][ T1167] [ 8713.653851][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8713.653851][ T1167] netdev_get_by_index+0x5e/0x80 [ 8713.653851][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8713.653851][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8713.653851][ T1167] ip6_route_add+0x1c/0x140 [ 8713.653851][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8713.653851][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8713.653851][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8713.653851][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8713.653851][ T1167] netlink_rcv_skb+0x130/0x360 [ 8713.653851][ T1167] netlink_unicast+0x449/0x710 [ 8713.653851][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8713.653851][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8713.653851][ T1167] ___sys_sendmsg+0xee/0x170 [ 8713.653851][ T1167] __sys_sendmsg+0xcd/0x170 [ 8713.653851][ T1167] do_syscall_64+0xc6/0x1e0 [ 8713.653851][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8713.653851][ T1167] [ 8713.656101][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8713.656101][ T1167] netdev_get_by_index+0x5e/0x80 [ 8713.656101][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8713.656101][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8713.656101][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8713.656101][ T1167] ipv6_add_addr+0x411/0x2000 [ 8713.656101][ T1167] inet6_addr_add+0x30e/0xa40 [ 8713.656101][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8713.656101][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8713.656101][ T1167] netlink_rcv_skb+0x130/0x360 [ 8713.656101][ T1167] netlink_unicast+0x449/0x710 [ 8713.656101][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8713.656101][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8713.656101][ T1167] ___sys_sendmsg+0xee/0x170 [ 8713.656101][ T1167] __sys_sendmsg+0xcd/0x170 [ 8713.656101][ T1167] do_syscall_64+0xc6/0x1e0 [ 8713.656101][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8713.656101][ T1167] [ 8713.658345][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8713.658345][ T1167] netdev_get_by_index+0x5e/0x80 [ 8713.658345][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8713.658345][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8713.658345][ T1167] ip6_route_add+0x1c/0x140 [ 8713.658345][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8713.658345][ T1167] addrconf_add_dev+0xe2/0x170 [ 8713.658345][ T1167] inet6_addr_add+0x12f/0xa40 [ 8713.658345][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8713.658345][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8713.658345][ T1167] netlink_rcv_skb+0x130/0x360 [ 8713.658345][ T1167] netlink_unicast+0x449/0x710 [ 8713.658345][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8713.658345][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8713.658345][ T1167] ___sys_sendmsg+0xee/0x170 [ 8713.658345][ T1167] __sys_sendmsg+0xcd/0x170 [ 8713.658345][ T1167] do_syscall_64+0xc6/0x1e0 [ 8713.658345][ T1167] [ 8713.660535][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8713.660535][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8713.660535][ T1167] ipv6_find_idev+0x102/0x170 [ 8713.660535][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8713.660535][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8713.660535][ T1167] netlink_rcv_skb+0x130/0x360 [ 8713.660535][ T1167] netlink_unicast+0x449/0x710 [ 8713.660535][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8713.660535][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8713.660535][ T1167] ___sys_sendmsg+0xee/0x170 [ 8713.660535][ T1167] __sys_sendmsg+0xcd/0x170 [ 8713.660535][ T1167] do_syscall_64+0xc6/0x1e0 [ 8713.660535][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8713.660535][ T1167] [ 8713.662251][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8713.662251][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8713.662251][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8713.662251][ T1167] ipv6_find_idev+0x102/0x170 [ 8713.662251][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8713.662251][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8713.662251][ T1167] netlink_rcv_skb+0x130/0x360 [ 8713.662251][ T1167] netlink_unicast+0x449/0x710 [ 8713.662251][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8713.662251][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8713.662251][ T1167] ___sys_sendmsg+0xee/0x170 [ 8713.662251][ T1167] __sys_sendmsg+0xcd/0x170 [ 8713.662251][ T1167] do_syscall_64+0xc6/0x1e0 [ 8713.662251][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8713.662251][ T1167] [ 8714.929106][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8714.929485][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8714.929485][ T10] netdev_get_by_index+0x5e/0x80 [ 8714.929485][ T10] fib6_nh_init+0x3d8/0x1580 [ 8714.929485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8714.929485][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8714.929485][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8714.929485][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8714.929485][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8714.929485][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8714.929485][ T10] addrconf_dad_begin+0x310/0x670 [ 8714.929485][ T10] addrconf_dad_work+0x10b/0xab0 [ 8714.929485][ T10] process_one_work+0x84d/0x18a0 [ 8714.929485][ T10] worker_thread+0x587/0xd30 [ 8714.929485][ T10] kthread+0x28a/0x350 [ 8714.929485][ T10] ret_from_fork+0x31/0x70 [ 8714.929485][ T10] ret_from_fork_asm+0x1a/0x30 [ 8714.929485][ T10] [ 8714.931412][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8714.931412][ T10] netdev_get_by_index+0x5e/0x80 [ 8714.931412][ T10] fib6_nh_init+0x3d8/0x1580 [ 8714.931412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8714.931412][ T10] ip6_route_add+0x1c/0x140 [ 8714.931412][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8714.931412][ T10] inet6_addr_add+0x4f8/0xa40 [ 8714.931412][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8714.931412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8714.931412][ T10] netlink_rcv_skb+0x130/0x360 [ 8714.931412][ T10] netlink_unicast+0x449/0x710 [ 8714.931412][ T10] netlink_sendmsg+0x723/0xbe0 [ 8714.931412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8714.931412][ T10] ___sys_sendmsg+0xee/0x170 [ 8714.931412][ T10] __sys_sendmsg+0xcd/0x170 [ 8714.931412][ T10] do_syscall_64+0xc6/0x1e0 [ 8714.931412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8714.931412][ T10] [ 8714.933398][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8714.933398][ T10] netdev_get_by_index+0x5e/0x80 [ 8714.933398][ T10] fib6_nh_init+0x3d8/0x1580 [ 8714.933398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8714.933398][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8714.933398][ T10] ipv6_add_addr+0x411/0x2000 [ 8714.933398][ T10] inet6_addr_add+0x30e/0xa40 [ 8714.933398][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8714.933398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8714.933398][ T10] netlink_rcv_skb+0x130/0x360 [ 8714.933398][ T10] netlink_unicast+0x449/0x710 [ 8714.933398][ T10] netlink_sendmsg+0x723/0xbe0 [ 8714.933398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8714.933398][ T10] ___sys_sendmsg+0xee/0x170 [ 8714.933398][ T10] __sys_sendmsg+0xcd/0x170 [ 8714.933398][ T10] do_syscall_64+0xc6/0x1e0 [ 8714.933398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8714.933398][ T10] [ 8714.935383][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8714.935383][ T10] netdev_get_by_index+0x5e/0x80 [ 8714.935383][ T10] fib6_nh_init+0x3d8/0x1580 [ 8714.935383][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8714.935383][ T10] ip6_route_add+0x1c/0x140 [ 8714.935383][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8714.935383][ T10] addrconf_add_dev+0xe2/0x170 [ 8714.935383][ T10] inet6_addr_add+0x12f/0xa40 [ 8714.935383][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8714.935383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8714.935383][ T10] netlink_rcv_skb+0x130/0x360 [ 8714.935383][ T10] netlink_unicast+0x449/0x710 [ 8714.935383][ T10] netlink_sendmsg+0x723/0xbe0 [ 8714.935383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8714.935383][ T10] ___sys_sendmsg+0xee/0x170 [ 8714.935383][ T10] __sys_sendmsg+0xcd/0x170 [ 8714.935383][ T10] do_syscall_64+0xc6/0x1e0 [ 8714.935383][ T10] [ 8714.937342][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8714.937342][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8714.937342][ T10] ipv6_find_idev+0x102/0x170 [ 8714.937342][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8714.937342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8714.937342][ T10] netlink_rcv_skb+0x130/0x360 [ 8714.937342][ T10] netlink_unicast+0x449/0x710 [ 8714.937342][ T10] netlink_sendmsg+0x723/0xbe0 [ 8714.937342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8714.937342][ T10] ___sys_sendmsg+0xee/0x170 [ 8714.937342][ T10] __sys_sendmsg+0xcd/0x170 [ 8714.937342][ T10] do_syscall_64+0xc6/0x1e0 [ 8714.937342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8714.937342][ T10] [ 8714.938872][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8714.938872][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8714.938872][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8714.938872][ T10] ipv6_find_idev+0x102/0x170 [ 8714.938872][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8714.938872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8714.938872][ T10] netlink_rcv_skb+0x130/0x360 [ 8714.938872][ T10] netlink_unicast+0x449/0x710 [ 8714.938872][ T10] netlink_sendmsg+0x723/0xbe0 [ 8714.938872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8714.938872][ T10] ___sys_sendmsg+0xee/0x170 [ 8714.938872][ T10] __sys_sendmsg+0xcd/0x170 [ 8714.938872][ T10] do_syscall_64+0xc6/0x1e0 [ 8714.938872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8714.938872][ T10] [ 8714.940560][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8714.940799][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8714.940799][ T10] netdev_get_by_index+0x5e/0x80 [ 8714.940799][ T10] fib6_nh_init+0x3d8/0x1580 [ 8714.940799][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8714.940799][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8714.940799][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8714.940799][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8714.940799][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8714.940799][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8714.940799][ T10] addrconf_dad_begin+0x310/0x670 [ 8714.940799][ T10] addrconf_dad_work+0x10b/0xab0 [ 8714.940799][ T10] process_one_work+0x84d/0x18a0 [ 8714.940799][ T10] worker_thread+0x587/0xd30 [ 8714.940799][ T10] kthread+0x28a/0x350 [ 8714.940799][ T10] ret_from_fork+0x31/0x70 [ 8714.940799][ T10] ret_from_fork_asm+0x1a/0x30 [ 8714.940799][ T10] [ 8714.942695][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8714.942695][ T10] netdev_get_by_index+0x5e/0x80 [ 8714.942695][ T10] fib6_nh_init+0x3d8/0x1580 [ 8714.942695][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8714.942695][ T10] ip6_route_add+0x1c/0x140 [ 8714.942695][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8714.942695][ T10] inet6_addr_add+0x4f8/0xa40 [ 8714.942695][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8714.942695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8714.942695][ T10] netlink_rcv_skb+0x130/0x360 [ 8714.942695][ T10] netlink_unicast+0x449/0x710 [ 8714.942695][ T10] netlink_sendmsg+0x723/0xbe0 [ 8714.942695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8714.942695][ T10] ___sys_sendmsg+0xee/0x170 [ 8714.942695][ T10] __sys_sendmsg+0xcd/0x170 [ 8714.942695][ T10] do_syscall_64+0xc6/0x1e0 [ 8714.942695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8714.942695][ T10] [ 8714.944680][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8714.944680][ T10] netdev_get_by_index+0x5e/0x80 [ 8714.944680][ T10] fib6_nh_init+0x3d8/0x1580 [ 8714.944680][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8714.944680][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8714.944680][ T10] ipv6_add_addr+0x411/0x2000 [ 8714.944680][ T10] inet6_addr_add+0x30e/0xa40 [ 8714.944680][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8714.944680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8714.944680][ T10] netlink_rcv_skb+0x130/0x360 [ 8714.944680][ T10] netlink_unicast+0x449/0x710 [ 8714.944680][ T10] netlink_sendmsg+0x723/0xbe0 [ 8714.944680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8714.944680][ T10] ___sys_sendmsg+0xee/0x170 [ 8714.944680][ T10] __sys_sendmsg+0xcd/0x170 [ 8714.944680][ T10] do_syscall_64+0xc6/0x1e0 [ 8714.944680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8714.944680][ T10] [ 8714.946665][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8714.946665][ T10] netdev_get_by_index+0x5e/0x80 [ 8714.946665][ T10] fib6_nh_init+0x3d8/0x1580 [ 8714.946665][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8714.946665][ T10] ip6_route_add+0x1c/0x140 [ 8714.946665][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8714.946665][ T10] addrconf_add_dev+0xe2/0x170 [ 8714.946665][ T10] inet6_addr_add+0x12f/0xa40 [ 8714.946665][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8714.946665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8714.946665][ T10] netlink_rcv_skb+0x130/0x360 [ 8714.946665][ T10] netlink_unicast+0x449/0x710 [ 8714.946665][ T10] netlink_sendmsg+0x723/0xbe0 [ 8714.946665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8714.946665][ T10] ___sys_sendmsg+0xee/0x170 [ 8714.946665][ T10] __sys_sendmsg+0xcd/0x170 [ 8714.946665][ T10] do_syscall_64+0xc6/0x1e0 [ 8714.946665][ T10] [ 8714.948617][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8714.948617][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8714.948617][ T10] ipv6_find_idev+0x102/0x170 [ 8714.948617][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8714.948617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8714.948617][ T10] netlink_rcv_skb+0x130/0x360 [ 8714.948617][ T10] netlink_unicast+0x449/0x710 [ 8714.948617][ T10] netlink_sendmsg+0x723/0xbe0 [ 8714.948617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8714.948617][ T10] ___sys_sendmsg+0xee/0x170 [ 8714.948617][ T10] __sys_sendmsg+0xcd/0x170 [ 8714.948617][ T10] do_syscall_64+0xc6/0x1e0 [ 8714.948617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8714.948617][ T10] [ 8714.950142][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8714.950142][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8714.950142][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8714.950142][ T10] ipv6_find_idev+0x102/0x170 [ 8714.950142][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8714.950142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8714.950142][ T10] netlink_rcv_skb+0x130/0x360 [ 8714.950142][ T10] netlink_unicast+0x449/0x710 [ 8714.950142][ T10] netlink_sendmsg+0x723/0xbe0 [ 8714.950142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8714.950142][ T10] ___sys_sendmsg+0xee/0x170 [ 8714.950142][ T10] __sys_sendmsg+0xcd/0x170 [ 8714.950142][ T10] do_syscall_64+0xc6/0x1e0 [ 8714.950142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8714.950142][ T10] [ 8714.951800][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8714.952038][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8714.952038][ T10] netdev_get_by_index+0x5e/0x80 [ 8714.952038][ T10] fib6_nh_init+0x3d8/0x1580 [ 8714.952038][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8714.952038][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8714.952038][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8714.952038][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8714.952038][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8714.952038][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8714.952038][ T10] addrconf_dad_begin+0x310/0x670 [ 8714.952038][ T10] addrconf_dad_work+0x10b/0xab0 [ 8714.952038][ T10] process_one_work+0x84d/0x18a0 [ 8714.952038][ T10] worker_thread+0x587/0xd30 [ 8714.952038][ T10] kthread+0x28a/0x350 [ 8714.952038][ T10] ret_from_fork+0x31/0x70 [ 8714.952038][ T10] ret_from_fork_asm+0x1a/0x30 [ 8714.952038][ T10] [ 8714.953927][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8714.953927][ T10] netdev_get_by_index+0x5e/0x80 [ 8714.953927][ T10] fib6_nh_init+0x3d8/0x1580 [ 8714.953927][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8714.953927][ T10] ip6_route_add+0x1c/0x140 [ 8714.953927][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8714.953927][ T10] inet6_addr_add+0x4f8/0xa40 [ 8714.953927][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8714.953927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8714.953927][ T10] netlink_rcv_skb+0x130/0x360 [ 8714.953927][ T10] netlink_unicast+0x449/0x710 [ 8714.953927][ T10] netlink_sendmsg+0x723/0xbe0 [ 8714.953927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8714.953927][ T10] ___sys_sendmsg+0xee/0x170 [ 8714.953927][ T10] __sys_sendmsg+0xcd/0x170 [ 8714.953927][ T10] do_syscall_64+0xc6/0x1e0 [ 8714.953927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8714.953927][ T10] [ 8714.956035][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8714.956035][ T10] netdev_get_by_index+0x5e/0x80 [ 8714.956035][ T10] fib6_nh_init+0x3d8/0x1580 [ 8714.956035][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8714.956035][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8714.956035][ T10] ipv6_add_addr+0x411/0x2000 [ 8714.956035][ T10] inet6_addr_add+0x30e/0xa40 [ 8714.956035][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8714.956035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8714.956035][ T10] netlink_rcv_skb+0x130/0x360 [ 8714.956035][ T10] netlink_unicast+0x449/0x710 [ 8714.956035][ T10] netlink_sendmsg+0x723/0xbe0 [ 8714.956035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8714.956035][ T10] ___sys_sendmsg+0xee/0x170 [ 8714.956035][ T10] __sys_sendmsg+0xcd/0x170 [ 8714.956035][ T10] do_syscall_64+0xc6/0x1e0 [ 8714.956035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8714.956035][ T10] [ 8714.958148][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8714.958148][ T10] netdev_get_by_index+0x5e/0x80 [ 8714.958148][ T10] fib6_nh_init+0x3d8/0x1580 [ 8714.958148][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8714.958148][ T10] ip6_route_add+0x1c/0x140 [ 8714.958148][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8714.958148][ T10] addrconf_add_dev+0xe2/0x170 [ 8714.958148][ T10] inet6_addr_add+0x12f/0xa40 [ 8714.958148][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8714.958148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8714.958148][ T10] netlink_rcv_skb+0x130/0x360 [ 8714.958148][ T10] netlink_unicast+0x449/0x710 [ 8714.958148][ T10] netlink_sendmsg+0x723/0xbe0 [ 8714.958148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8714.958148][ T10] ___sys_sendmsg+0xee/0x170 [ 8714.958148][ T10] __sys_sendmsg+0xcd/0x170 [ 8714.958148][ T10] do_syscall_64+0xc6/0x1e0 [ 8714.958148][ T10] [ 8714.960228][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8714.960228][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8714.960228][ T10] ipv6_find_idev+0x102/0x170 [ 8714.960228][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8714.960228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8714.960228][ T10] netlink_rcv_skb+0x130/0x360 [ 8714.960228][ T10] netlink_unicast+0x449/0x710 [ 8714.960228][ T10] netlink_sendmsg+0x723/0xbe0 [ 8714.960228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8714.960228][ T10] ___sys_sendmsg+0xee/0x170 [ 8714.960228][ T10] __sys_sendmsg+0xcd/0x170 [ 8714.960228][ T10] do_syscall_64+0xc6/0x1e0 [ 8714.960228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8714.960228][ T10] [ 8714.961885][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8714.961885][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8714.961885][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8714.961885][ T10] ipv6_find_idev+0x102/0x170 [ 8714.961885][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8714.961885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8714.961885][ T10] netlink_rcv_skb+0x130/0x360 [ 8714.961885][ T10] netlink_unicast+0x449/0x710 [ 8714.961885][ T10] netlink_sendmsg+0x723/0xbe0 [ 8714.961885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8714.961885][ T10] ___sys_sendmsg+0xee/0x170 [ 8714.961885][ T10] __sys_sendmsg+0xcd/0x170 [ 8714.961885][ T10] do_syscall_64+0xc6/0x1e0 [ 8714.961885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8714.961885][ T10] [ 8714.963607][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8714.963842][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8714.963842][ T10] netdev_get_by_index+0x5e/0x80 [ 8714.963842][ T10] fib6_nh_init+0x3d8/0x1580 [ 8714.963842][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8714.963842][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8714.963842][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8714.963842][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8714.963842][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8714.963842][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8714.963842][ T10] addrconf_dad_begin+0x310/0x670 [ 8714.963842][ T10] addrconf_dad_work+0x10b/0xab0 [ 8714.963842][ T10] process_one_work+0x84d/0x18a0 [ 8714.963842][ T10] worker_thread+0x587/0xd30 [ 8714.963842][ T10] kthread+0x28a/0x350 [ 8714.963842][ T10] ret_from_fork+0x31/0x70 [ 8714.963842][ T10] ret_from_fork_asm+0x1a/0x30 [ 8714.963842][ T10] [ 8714.965880][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8714.965880][ T10] netdev_get_by_index+0x5e/0x80 [ 8714.965880][ T10] fib6_nh_init+0x3d8/0x1580 [ 8714.965880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8714.965880][ T10] ip6_route_add+0x1c/0x140 [ 8714.965880][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8714.965880][ T10] inet6_addr_add+0x4f8/0xa40 [ 8714.965880][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8714.965880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8714.965880][ T10] netlink_rcv_skb+0x130/0x360 [ 8714.965880][ T10] netlink_unicast+0x449/0x710 [ 8714.965880][ T10] netlink_sendmsg+0x723/0xbe0 [ 8714.965880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8714.965880][ T10] ___sys_sendmsg+0xee/0x170 [ 8714.965880][ T10] __sys_sendmsg+0xcd/0x170 [ 8714.965880][ T10] do_syscall_64+0xc6/0x1e0 [ 8714.965880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8714.965880][ T10] [ 8714.967997][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8714.967997][ T10] netdev_get_by_index+0x5e/0x80 [ 8714.967997][ T10] fib6_nh_init+0x3d8/0x1580 [ 8714.967997][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8714.967997][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8714.967997][ T10] ipv6_add_addr+0x411/0x2000 [ 8714.967997][ T10] inet6_addr_add+0x30e/0xa40 [ 8714.967997][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8714.967997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8714.967997][ T10] netlink_rcv_skb+0x130/0x360 [ 8714.967997][ T10] netlink_unicast+0x449/0x710 [ 8714.967997][ T10] netlink_sendmsg+0x723/0xbe0 [ 8714.967997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8714.967997][ T10] ___sys_sendmsg+0xee/0x170 [ 8714.967997][ T10] __sys_sendmsg+0xcd/0x170 [ 8714.967997][ T10] do_syscall_64+0xc6/0x1e0 [ 8714.967997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8714.967997][ T10] [ 8714.970107][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8714.970107][ T10] netdev_get_by_index+0x5e/0x80 [ 8714.970107][ T10] fib6_nh_init+0x3d8/0x1580 [ 8714.970107][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8714.970107][ T10] ip6_route_add+0x1c/0x140 [ 8714.970107][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8714.970107][ T10] addrconf_add_dev+0xe2/0x170 [ 8714.970107][ T10] inet6_addr_add+0x12f/0xa40 [ 8714.970107][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8714.970107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8714.970107][ T10] netlink_rcv_skb+0x130/0x360 [ 8714.970107][ T10] netlink_unicast+0x449/0x710 [ 8714.970107][ T10] netlink_sendmsg+0x723/0xbe0 [ 8714.970107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8714.970107][ T10] ___sys_sendmsg+0xee/0x170 [ 8714.970107][ T10] __sys_sendmsg+0xcd/0x170 [ 8714.970107][ T10] do_syscall_64+0xc6/0x1e0 [ 8714.970107][ T10] [ 8714.972181][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8714.972181][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8714.972181][ T10] ipv6_find_idev+0x102/0x170 [ 8714.972181][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8714.972181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8714.972181][ T10] netlink_rcv_skb+0x130/0x360 [ 8714.972181][ T10] netlink_unicast+0x449/0x710 [ 8714.972181][ T10] netlink_sendmsg+0x723/0xbe0 [ 8714.972181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8714.972181][ T10] ___sys_sendmsg+0xee/0x170 [ 8714.972181][ T10] __sys_sendmsg+0xcd/0x170 [ 8714.972181][ T10] do_syscall_64+0xc6/0x1e0 [ 8714.972181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8714.972181][ T10] [ 8714.973764][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8714.973764][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8714.973764][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8714.973764][ T10] ipv6_find_idev+0x102/0x170 [ 8714.973764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8714.973764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8714.973764][ T10] netlink_rcv_skb+0x130/0x360 [ 8714.973764][ T10] netlink_unicast+0x449/0x710 [ 8714.973764][ T10] netlink_sendmsg+0x723/0xbe0 [ 8714.973764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8714.973764][ T10] ___sys_sendmsg+0xee/0x170 [ 8714.973764][ T10] __sys_sendmsg+0xcd/0x170 [ 8714.973764][ T10] do_syscall_64+0xc6/0x1e0 [ 8714.973764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8714.973764][ T10] [ 8723.681040][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8723.681548][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8723.681548][ T1167] dst_init+0x84/0x4a0 [ 8723.681548][ T1167] dst_alloc+0x97/0x150 [ 8723.681548][ T1167] ip6_dst_alloc+0x23/0x90 [ 8723.681548][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8723.681548][ T1167] ip6_pol_route+0x56f/0x840 [ 8723.681548][ T1167] fib6_rule_lookup+0x334/0x630 [ 8723.681548][ T1167] ip6_route_output_flags+0x259/0x480 [ 8723.681548][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8723.681548][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8723.681548][ T1167] netlink_rcv_skb+0x130/0x360 [ 8723.681548][ T1167] netlink_unicast+0x449/0x710 [ 8723.681548][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8723.681548][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8723.681548][ T1167] ___sys_sendmsg+0xee/0x170 [ 8723.681548][ T1167] __sys_sendmsg+0xcd/0x170 [ 8723.681548][ T1167] do_syscall_64+0xc6/0x1e0 [ 8723.681548][ T1167] [ 8723.683773][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8723.683773][ T1167] netdev_get_by_index+0x5e/0x80 [ 8723.683773][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8723.683773][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8723.683773][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8723.683773][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8723.683773][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8723.683773][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8723.683773][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8723.683773][ T1167] addrconf_dad_begin+0x310/0x670 [ 8723.683773][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8723.683773][ T1167] process_one_work+0x84d/0x18a0 [ 8723.683773][ T1167] worker_thread+0x587/0xd30 [ 8723.683773][ T1167] kthread+0x28a/0x350 [ 8723.683773][ T1167] ret_from_fork+0x31/0x70 [ 8723.683773][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8723.683773][ T1167] [ 8723.685939][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8723.685939][ T1167] netdev_get_by_index+0x5e/0x80 [ 8723.685939][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8723.685939][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8723.685939][ T1167] ip6_route_add+0x1c/0x140 [ 8723.685939][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8723.685939][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8723.685939][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8723.685939][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8723.685939][ T1167] netlink_rcv_skb+0x130/0x360 [ 8723.685939][ T1167] netlink_unicast+0x449/0x710 [ 8723.685939][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8723.685939][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8723.685939][ T1167] ___sys_sendmsg+0xee/0x170 [ 8723.685939][ T1167] __sys_sendmsg+0xcd/0x170 [ 8723.685939][ T1167] do_syscall_64+0xc6/0x1e0 [ 8723.685939][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8723.685939][ T1167] [ 8723.688211][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8723.688211][ T1167] netdev_get_by_index+0x5e/0x80 [ 8723.688211][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8723.688211][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8723.688211][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8723.688211][ T1167] ipv6_add_addr+0x411/0x2000 [ 8723.688211][ T1167] inet6_addr_add+0x30e/0xa40 [ 8723.688211][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8723.688211][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8723.688211][ T1167] netlink_rcv_skb+0x130/0x360 [ 8723.688211][ T1167] netlink_unicast+0x449/0x710 [ 8723.688211][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8723.688211][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8723.688211][ T1167] ___sys_sendmsg+0xee/0x170 [ 8723.688211][ T1167] __sys_sendmsg+0xcd/0x170 [ 8723.688211][ T1167] do_syscall_64+0xc6/0x1e0 [ 8723.688211][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8723.688211][ T1167] [ 8723.690479][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8723.690479][ T1167] netdev_get_by_index+0x5e/0x80 [ 8723.690479][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8723.690479][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8723.690479][ T1167] ip6_route_add+0x1c/0x140 [ 8723.690479][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8723.690479][ T1167] addrconf_add_dev+0xe2/0x170 [ 8723.690479][ T1167] inet6_addr_add+0x12f/0xa40 [ 8723.690479][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8723.690479][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8723.690479][ T1167] netlink_rcv_skb+0x130/0x360 [ 8723.690479][ T1167] netlink_unicast+0x449/0x710 [ 8723.690479][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8723.690479][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8723.690479][ T1167] ___sys_sendmsg+0xee/0x170 [ 8723.690479][ T1167] __sys_sendmsg+0xcd/0x170 [ 8723.690479][ T1167] do_syscall_64+0xc6/0x1e0 [ 8723.690479][ T1167] [ 8723.692716][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8723.692716][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8723.692716][ T1167] ipv6_find_idev+0x102/0x170 [ 8723.692716][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8723.692716][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8723.692716][ T1167] netlink_rcv_skb+0x130/0x360 [ 8723.692716][ T1167] netlink_unicast+0x449/0x710 [ 8723.692716][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8723.692716][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8723.692716][ T1167] ___sys_sendmsg+0xee/0x170 [ 8723.692716][ T1167] __sys_sendmsg+0xcd/0x170 [ 8723.692716][ T1167] do_syscall_64+0xc6/0x1e0 [ 8723.692716][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8723.692716][ T1167] [ 8723.694476][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8723.694476][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8723.694476][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8723.694476][ T1167] ipv6_find_idev+0x102/0x170 [ 8723.694476][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8723.694476][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8723.694476][ T1167] netlink_rcv_skb+0x130/0x360 [ 8723.694476][ T1167] netlink_unicast+0x449/0x710 [ 8723.694476][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8723.694476][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8723.694476][ T1167] ___sys_sendmsg+0xee/0x170 [ 8723.694476][ T1167] __sys_sendmsg+0xcd/0x170 [ 8723.694476][ T1167] do_syscall_64+0xc6/0x1e0 [ 8723.694476][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8723.694476][ T1167] [ 8725.217113][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8725.217540][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8725.217540][ T10] netdev_get_by_index+0x5e/0x80 [ 8725.217540][ T10] fib6_nh_init+0x3d8/0x1580 [ 8725.217540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8725.217540][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8725.217540][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8725.217540][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8725.217540][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8725.217540][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8725.217540][ T10] addrconf_dad_begin+0x310/0x670 [ 8725.217540][ T10] addrconf_dad_work+0x10b/0xab0 [ 8725.217540][ T10] process_one_work+0x84d/0x18a0 [ 8725.217540][ T10] worker_thread+0x587/0xd30 [ 8725.217540][ T10] kthread+0x28a/0x350 [ 8725.217540][ T10] ret_from_fork+0x31/0x70 [ 8725.217540][ T10] ret_from_fork_asm+0x1a/0x30 [ 8725.217540][ T10] [ 8725.219480][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8725.219480][ T10] netdev_get_by_index+0x5e/0x80 [ 8725.219480][ T10] fib6_nh_init+0x3d8/0x1580 [ 8725.219480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8725.219480][ T10] ip6_route_add+0x1c/0x140 [ 8725.219480][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8725.219480][ T10] inet6_addr_add+0x4f8/0xa40 [ 8725.219480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8725.219480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.219480][ T10] netlink_rcv_skb+0x130/0x360 [ 8725.219480][ T10] netlink_unicast+0x449/0x710 [ 8725.219480][ T10] netlink_sendmsg+0x723/0xbe0 [ 8725.219480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8725.219480][ T10] ___sys_sendmsg+0xee/0x170 [ 8725.219480][ T10] __sys_sendmsg+0xcd/0x170 [ 8725.219480][ T10] do_syscall_64+0xc6/0x1e0 [ 8725.219480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8725.219480][ T10] [ 8725.221493][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8725.221493][ T10] netdev_get_by_index+0x5e/0x80 [ 8725.221493][ T10] fib6_nh_init+0x3d8/0x1580 [ 8725.221493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8725.221493][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8725.221493][ T10] ipv6_add_addr+0x411/0x2000 [ 8725.221493][ T10] inet6_addr_add+0x30e/0xa40 [ 8725.221493][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8725.221493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.221493][ T10] netlink_rcv_skb+0x130/0x360 [ 8725.221493][ T10] netlink_unicast+0x449/0x710 [ 8725.221493][ T10] netlink_sendmsg+0x723/0xbe0 [ 8725.221493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8725.221493][ T10] ___sys_sendmsg+0xee/0x170 [ 8725.221493][ T10] __sys_sendmsg+0xcd/0x170 [ 8725.221493][ T10] do_syscall_64+0xc6/0x1e0 [ 8725.221493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8725.221493][ T10] [ 8725.223482][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8725.223482][ T10] netdev_get_by_index+0x5e/0x80 [ 8725.223482][ T10] fib6_nh_init+0x3d8/0x1580 [ 8725.223482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8725.223482][ T10] ip6_route_add+0x1c/0x140 [ 8725.223482][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8725.223482][ T10] addrconf_add_dev+0xe2/0x170 [ 8725.223482][ T10] inet6_addr_add+0x12f/0xa40 [ 8725.223482][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8725.223482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.223482][ T10] netlink_rcv_skb+0x130/0x360 [ 8725.223482][ T10] netlink_unicast+0x449/0x710 [ 8725.223482][ T10] netlink_sendmsg+0x723/0xbe0 [ 8725.223482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8725.223482][ T10] ___sys_sendmsg+0xee/0x170 [ 8725.223482][ T10] __sys_sendmsg+0xcd/0x170 [ 8725.223482][ T10] do_syscall_64+0xc6/0x1e0 [ 8725.223482][ T10] [ 8725.225431][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8725.225431][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8725.225431][ T10] ipv6_find_idev+0x102/0x170 [ 8725.225431][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8725.225431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.225431][ T10] netlink_rcv_skb+0x130/0x360 [ 8725.225431][ T10] netlink_unicast+0x449/0x710 [ 8725.225431][ T10] netlink_sendmsg+0x723/0xbe0 [ 8725.225431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8725.225431][ T10] ___sys_sendmsg+0xee/0x170 [ 8725.225431][ T10] __sys_sendmsg+0xcd/0x170 [ 8725.225431][ T10] do_syscall_64+0xc6/0x1e0 [ 8725.225431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8725.225431][ T10] [ 8725.226961][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8725.226961][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8725.226961][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8725.226961][ T10] ipv6_find_idev+0x102/0x170 [ 8725.226961][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8725.226961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.226961][ T10] netlink_rcv_skb+0x130/0x360 [ 8725.226961][ T10] netlink_unicast+0x449/0x710 [ 8725.226961][ T10] netlink_sendmsg+0x723/0xbe0 [ 8725.226961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8725.226961][ T10] ___sys_sendmsg+0xee/0x170 [ 8725.226961][ T10] __sys_sendmsg+0xcd/0x170 [ 8725.226961][ T10] do_syscall_64+0xc6/0x1e0 [ 8725.226961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8725.226961][ T10] [ 8725.228636][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8725.228880][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8725.228880][ T10] netdev_get_by_index+0x5e/0x80 [ 8725.228880][ T10] fib6_nh_init+0x3d8/0x1580 [ 8725.228880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8725.228880][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8725.228880][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8725.228880][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8725.228880][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8725.228880][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8725.228880][ T10] addrconf_dad_begin+0x310/0x670 [ 8725.228880][ T10] addrconf_dad_work+0x10b/0xab0 [ 8725.228880][ T10] process_one_work+0x84d/0x18a0 [ 8725.228880][ T10] worker_thread+0x587/0xd30 [ 8725.228880][ T10] kthread+0x28a/0x350 [ 8725.228880][ T10] ret_from_fork+0x31/0x70 [ 8725.228880][ T10] ret_from_fork_asm+0x1a/0x30 [ 8725.228880][ T10] [ 8725.230789][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8725.230789][ T10] netdev_get_by_index+0x5e/0x80 [ 8725.230789][ T10] fib6_nh_init+0x3d8/0x1580 [ 8725.230789][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8725.230789][ T10] ip6_route_add+0x1c/0x140 [ 8725.230789][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8725.230789][ T10] inet6_addr_add+0x4f8/0xa40 [ 8725.230789][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8725.230789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.230789][ T10] netlink_rcv_skb+0x130/0x360 [ 8725.230789][ T10] netlink_unicast+0x449/0x710 [ 8725.230789][ T10] netlink_sendmsg+0x723/0xbe0 [ 8725.230789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8725.230789][ T10] ___sys_sendmsg+0xee/0x170 [ 8725.230789][ T10] __sys_sendmsg+0xcd/0x170 [ 8725.230789][ T10] do_syscall_64+0xc6/0x1e0 [ 8725.230789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8725.230789][ T10] [ 8725.232776][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8725.232776][ T10] netdev_get_by_index+0x5e/0x80 [ 8725.232776][ T10] fib6_nh_init+0x3d8/0x1580 [ 8725.232776][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8725.232776][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8725.232776][ T10] ipv6_add_addr+0x411/0x2000 [ 8725.232776][ T10] inet6_addr_add+0x30e/0xa40 [ 8725.232776][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8725.232776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.232776][ T10] netlink_rcv_skb+0x130/0x360 [ 8725.232776][ T10] netlink_unicast+0x449/0x710 [ 8725.232776][ T10] netlink_sendmsg+0x723/0xbe0 [ 8725.232776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8725.232776][ T10] ___sys_sendmsg+0xee/0x170 [ 8725.232776][ T10] __sys_sendmsg+0xcd/0x170 [ 8725.232776][ T10] do_syscall_64+0xc6/0x1e0 [ 8725.232776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8725.232776][ T10] [ 8725.234766][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8725.234766][ T10] netdev_get_by_index+0x5e/0x80 [ 8725.234766][ T10] fib6_nh_init+0x3d8/0x1580 [ 8725.234766][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8725.234766][ T10] ip6_route_add+0x1c/0x140 [ 8725.234766][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8725.234766][ T10] addrconf_add_dev+0xe2/0x170 [ 8725.234766][ T10] inet6_addr_add+0x12f/0xa40 [ 8725.234766][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8725.234766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.234766][ T10] netlink_rcv_skb+0x130/0x360 [ 8725.234766][ T10] netlink_unicast+0x449/0x710 [ 8725.234766][ T10] netlink_sendmsg+0x723/0xbe0 [ 8725.234766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8725.234766][ T10] ___sys_sendmsg+0xee/0x170 [ 8725.234766][ T10] __sys_sendmsg+0xcd/0x170 [ 8725.234766][ T10] do_syscall_64+0xc6/0x1e0 [ 8725.234766][ T10] [ 8725.236714][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8725.236714][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8725.236714][ T10] ipv6_find_idev+0x102/0x170 [ 8725.236714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8725.236714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.236714][ T10] netlink_rcv_skb+0x130/0x360 [ 8725.236714][ T10] netlink_unicast+0x449/0x710 [ 8725.236714][ T10] netlink_sendmsg+0x723/0xbe0 [ 8725.236714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8725.236714][ T10] ___sys_sendmsg+0xee/0x170 [ 8725.236714][ T10] __sys_sendmsg+0xcd/0x170 [ 8725.236714][ T10] do_syscall_64+0xc6/0x1e0 [ 8725.236714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8725.236714][ T10] [ 8725.238278][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8725.238278][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8725.238278][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8725.238278][ T10] ipv6_find_idev+0x102/0x170 [ 8725.238278][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8725.238278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.238278][ T10] netlink_rcv_skb+0x130/0x360 [ 8725.238278][ T10] netlink_unicast+0x449/0x710 [ 8725.238278][ T10] netlink_sendmsg+0x723/0xbe0 [ 8725.238278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8725.238278][ T10] ___sys_sendmsg+0xee/0x170 [ 8725.238278][ T10] __sys_sendmsg+0xcd/0x170 [ 8725.238278][ T10] do_syscall_64+0xc6/0x1e0 [ 8725.238278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8725.238278][ T10] [ 8725.239938][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8725.240188][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8725.240188][ T10] netdev_get_by_index+0x5e/0x80 [ 8725.240188][ T10] fib6_nh_init+0x3d8/0x1580 [ 8725.240188][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8725.240188][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8725.240188][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8725.240188][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8725.240188][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8725.240188][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8725.240188][ T10] addrconf_dad_begin+0x310/0x670 [ 8725.240188][ T10] addrconf_dad_work+0x10b/0xab0 [ 8725.240188][ T10] process_one_work+0x84d/0x18a0 [ 8725.240188][ T10] worker_thread+0x587/0xd30 [ 8725.240188][ T10] kthread+0x28a/0x350 [ 8725.240188][ T10] ret_from_fork+0x31/0x70 [ 8725.240188][ T10] ret_from_fork_asm+0x1a/0x30 [ 8725.240188][ T10] [ 8725.242082][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8725.242082][ T10] netdev_get_by_index+0x5e/0x80 [ 8725.242082][ T10] fib6_nh_init+0x3d8/0x1580 [ 8725.242082][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8725.242082][ T10] ip6_route_add+0x1c/0x140 [ 8725.242082][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8725.242082][ T10] inet6_addr_add+0x4f8/0xa40 [ 8725.242082][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8725.242082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.242082][ T10] netlink_rcv_skb+0x130/0x360 [ 8725.242082][ T10] netlink_unicast+0x449/0x710 [ 8725.242082][ T10] netlink_sendmsg+0x723/0xbe0 [ 8725.242082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8725.242082][ T10] ___sys_sendmsg+0xee/0x170 [ 8725.242082][ T10] __sys_sendmsg+0xcd/0x170 [ 8725.242082][ T10] do_syscall_64+0xc6/0x1e0 [ 8725.242082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8725.242082][ T10] [ 8725.244269][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8725.244269][ T10] netdev_get_by_index+0x5e/0x80 [ 8725.244269][ T10] fib6_nh_init+0x3d8/0x1580 [ 8725.244269][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8725.244269][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8725.244269][ T10] ipv6_add_addr+0x411/0x2000 [ 8725.244269][ T10] inet6_addr_add+0x30e/0xa40 [ 8725.244269][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8725.244269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.244269][ T10] netlink_rcv_skb+0x130/0x360 [ 8725.244269][ T10] netlink_unicast+0x449/0x710 [ 8725.244269][ T10] netlink_sendmsg+0x723/0xbe0 [ 8725.244269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8725.244269][ T10] ___sys_sendmsg+0xee/0x170 [ 8725.244269][ T10] __sys_sendmsg+0xcd/0x170 [ 8725.244269][ T10] do_syscall_64+0xc6/0x1e0 [ 8725.244269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8725.244269][ T10] [ 8725.246433][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8725.246433][ T10] netdev_get_by_index+0x5e/0x80 [ 8725.246433][ T10] fib6_nh_init+0x3d8/0x1580 [ 8725.246433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8725.246433][ T10] ip6_route_add+0x1c/0x140 [ 8725.246433][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8725.246433][ T10] addrconf_add_dev+0xe2/0x170 [ 8725.246433][ T10] inet6_addr_add+0x12f/0xa40 [ 8725.246433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8725.246433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.246433][ T10] netlink_rcv_skb+0x130/0x360 [ 8725.246433][ T10] netlink_unicast+0x449/0x710 [ 8725.246433][ T10] netlink_sendmsg+0x723/0xbe0 [ 8725.246433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8725.246433][ T10] ___sys_sendmsg+0xee/0x170 [ 8725.246433][ T10] __sys_sendmsg+0xcd/0x170 [ 8725.246433][ T10] do_syscall_64+0xc6/0x1e0 [ 8725.246433][ T10] [ 8725.248637][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8725.248637][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8725.248637][ T10] ipv6_find_idev+0x102/0x170 [ 8725.248637][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8725.248637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.248637][ T10] netlink_rcv_skb+0x130/0x360 [ 8725.248637][ T10] netlink_unicast+0x449/0x710 [ 8725.248637][ T10] netlink_sendmsg+0x723/0xbe0 [ 8725.248637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8725.248637][ T10] ___sys_sendmsg+0xee/0x170 [ 8725.248637][ T10] __sys_sendmsg+0xcd/0x170 [ 8725.248637][ T10] do_syscall_64+0xc6/0x1e0 [ 8725.248637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8725.248637][ T10] [ 8725.250287][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8725.250287][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8725.250287][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8725.250287][ T10] ipv6_find_idev+0x102/0x170 [ 8725.250287][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8725.250287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.250287][ T10] netlink_rcv_skb+0x130/0x360 [ 8725.250287][ T10] netlink_unicast+0x449/0x710 [ 8725.250287][ T10] netlink_sendmsg+0x723/0xbe0 [ 8725.250287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8725.250287][ T10] ___sys_sendmsg+0xee/0x170 [ 8725.250287][ T10] __sys_sendmsg+0xcd/0x170 [ 8725.250287][ T10] do_syscall_64+0xc6/0x1e0 [ 8725.250287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8725.250287][ T10] [ 8725.252188][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8725.252422][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8725.252422][ T10] netdev_get_by_index+0x5e/0x80 [ 8725.252422][ T10] fib6_nh_init+0x3d8/0x1580 [ 8725.252422][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8725.252422][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8725.252422][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8725.252422][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8725.252422][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8725.252422][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8725.252422][ T10] addrconf_dad_begin+0x310/0x670 [ 8725.252422][ T10] addrconf_dad_work+0x10b/0xab0 [ 8725.252422][ T10] process_one_work+0x84d/0x18a0 [ 8725.252422][ T10] worker_thread+0x587/0xd30 [ 8725.252422][ T10] kthread+0x28a/0x350 [ 8725.252422][ T10] ret_from_fork+0x31/0x70 [ 8725.252422][ T10] ret_from_fork_asm+0x1a/0x30 [ 8725.252422][ T10] [ 8725.254558][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8725.254558][ T10] netdev_get_by_index+0x5e/0x80 [ 8725.254558][ T10] fib6_nh_init+0x3d8/0x1580 [ 8725.254558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8725.254558][ T10] ip6_route_add+0x1c/0x140 [ 8725.254558][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8725.254558][ T10] inet6_addr_add+0x4f8/0xa40 [ 8725.254558][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8725.254558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.254558][ T10] netlink_rcv_skb+0x130/0x360 [ 8725.254558][ T10] netlink_unicast+0x449/0x710 [ 8725.254558][ T10] netlink_sendmsg+0x723/0xbe0 [ 8725.254558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8725.254558][ T10] ___sys_sendmsg+0xee/0x170 [ 8725.254558][ T10] __sys_sendmsg+0xcd/0x170 [ 8725.254558][ T10] do_syscall_64+0xc6/0x1e0 [ 8725.254558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8725.254558][ T10] [ 8725.256730][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8725.256730][ T10] netdev_get_by_index+0x5e/0x80 [ 8725.256730][ T10] fib6_nh_init+0x3d8/0x1580 [ 8725.256730][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8725.256730][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8725.256730][ T10] ipv6_add_addr+0x411/0x2000 [ 8725.256730][ T10] inet6_addr_add+0x30e/0xa40 [ 8725.256730][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8725.256730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.256730][ T10] netlink_rcv_skb+0x130/0x360 [ 8725.256730][ T10] netlink_unicast+0x449/0x710 [ 8725.256730][ T10] netlink_sendmsg+0x723/0xbe0 [ 8725.256730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8725.256730][ T10] ___sys_sendmsg+0xee/0x170 [ 8725.256730][ T10] __sys_sendmsg+0xcd/0x170 [ 8725.256730][ T10] do_syscall_64+0xc6/0x1e0 [ 8725.256730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8725.256730][ T10] [ 8725.258959][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8725.258959][ T10] netdev_get_by_index+0x5e/0x80 [ 8725.258959][ T10] fib6_nh_init+0x3d8/0x1580 [ 8725.258959][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8725.258959][ T10] ip6_route_add+0x1c/0x140 [ 8725.258959][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8725.258959][ T10] addrconf_add_dev+0xe2/0x170 [ 8725.258959][ T10] inet6_addr_add+0x12f/0xa40 [ 8725.258959][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8725.258959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.258959][ T10] netlink_rcv_skb+0x130/0x360 [ 8725.258959][ T10] netlink_unicast+0x449/0x710 [ 8725.258959][ T10] netlink_sendmsg+0x723/0xbe0 [ 8725.258959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8725.258959][ T10] ___sys_sendmsg+0xee/0x170 [ 8725.258959][ T10] __sys_sendmsg+0xcd/0x170 [ 8725.258959][ T10] do_syscall_64+0xc6/0x1e0 [ 8725.258959][ T10] [ 8725.261092][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8725.261092][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8725.261092][ T10] ipv6_find_idev+0x102/0x170 [ 8725.261092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8725.261092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.261092][ T10] netlink_rcv_skb+0x130/0x360 [ 8725.261092][ T10] netlink_unicast+0x449/0x710 [ 8725.261092][ T10] netlink_sendmsg+0x723/0xbe0 [ 8725.261092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8725.261092][ T10] ___sys_sendmsg+0xee/0x170 [ 8725.261092][ T10] __sys_sendmsg+0xcd/0x170 [ 8725.261092][ T10] do_syscall_64+0xc6/0x1e0 [ 8725.261092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8725.261092][ T10] [ 8725.262806][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8725.262806][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8725.262806][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8725.262806][ T10] ipv6_find_idev+0x102/0x170 [ 8725.262806][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8725.262806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.262806][ T10] netlink_rcv_skb+0x130/0x360 [ 8725.262806][ T10] netlink_unicast+0x449/0x710 [ 8725.262806][ T10] netlink_sendmsg+0x723/0xbe0 [ 8725.262806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8725.262806][ T10] ___sys_sendmsg+0xee/0x170 [ 8725.262806][ T10] __sys_sendmsg+0xcd/0x170 [ 8725.262806][ T10] do_syscall_64+0xc6/0x1e0 [ 8725.262806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8725.262806][ T10] [ 8733.945032][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8733.945535][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8733.945535][ T1167] dst_init+0x84/0x4a0 [ 8733.945535][ T1167] dst_alloc+0x97/0x150 [ 8733.945535][ T1167] ip6_dst_alloc+0x23/0x90 [ 8733.945535][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8733.945535][ T1167] ip6_pol_route+0x56f/0x840 [ 8733.945535][ T1167] fib6_rule_lookup+0x334/0x630 [ 8733.945535][ T1167] ip6_route_output_flags+0x259/0x480 [ 8733.945535][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8733.945535][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8733.945535][ T1167] netlink_rcv_skb+0x130/0x360 [ 8733.945535][ T1167] netlink_unicast+0x449/0x710 [ 8733.945535][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8733.945535][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8733.945535][ T1167] ___sys_sendmsg+0xee/0x170 [ 8733.945535][ T1167] __sys_sendmsg+0xcd/0x170 [ 8733.945535][ T1167] do_syscall_64+0xc6/0x1e0 [ 8733.945535][ T1167] [ 8733.947776][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8733.947776][ T1167] netdev_get_by_index+0x5e/0x80 [ 8733.947776][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8733.947776][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8733.947776][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8733.947776][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8733.947776][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8733.947776][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8733.947776][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8733.947776][ T1167] addrconf_dad_begin+0x310/0x670 [ 8733.947776][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8733.947776][ T1167] process_one_work+0x84d/0x18a0 [ 8733.947776][ T1167] worker_thread+0x587/0xd30 [ 8733.947776][ T1167] kthread+0x28a/0x350 [ 8733.947776][ T1167] ret_from_fork+0x31/0x70 [ 8733.947776][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8733.947776][ T1167] [ 8733.949948][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8733.949948][ T1167] netdev_get_by_index+0x5e/0x80 [ 8733.949948][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8733.949948][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8733.949948][ T1167] ip6_route_add+0x1c/0x140 [ 8733.949948][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8733.949948][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8733.949948][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8733.949948][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8733.949948][ T1167] netlink_rcv_skb+0x130/0x360 [ 8733.949948][ T1167] netlink_unicast+0x449/0x710 [ 8733.949948][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8733.949948][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8733.949948][ T1167] ___sys_sendmsg+0xee/0x170 [ 8733.949948][ T1167] __sys_sendmsg+0xcd/0x170 [ 8733.949948][ T1167] do_syscall_64+0xc6/0x1e0 [ 8733.949948][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8733.949948][ T1167] [ 8733.952216][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8733.952216][ T1167] netdev_get_by_index+0x5e/0x80 [ 8733.952216][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8733.952216][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8733.952216][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8733.952216][ T1167] ipv6_add_addr+0x411/0x2000 [ 8733.952216][ T1167] inet6_addr_add+0x30e/0xa40 [ 8733.952216][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8733.952216][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8733.952216][ T1167] netlink_rcv_skb+0x130/0x360 [ 8733.952216][ T1167] netlink_unicast+0x449/0x710 [ 8733.952216][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8733.952216][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8733.952216][ T1167] ___sys_sendmsg+0xee/0x170 [ 8733.952216][ T1167] __sys_sendmsg+0xcd/0x170 [ 8733.952216][ T1167] do_syscall_64+0xc6/0x1e0 [ 8733.952216][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8733.952216][ T1167] [ 8733.954478][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8733.954478][ T1167] netdev_get_by_index+0x5e/0x80 [ 8733.954478][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8733.954478][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8733.954478][ T1167] ip6_route_add+0x1c/0x140 [ 8733.954478][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8733.954478][ T1167] addrconf_add_dev+0xe2/0x170 [ 8733.954478][ T1167] inet6_addr_add+0x12f/0xa40 [ 8733.954478][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8733.954478][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8733.954478][ T1167] netlink_rcv_skb+0x130/0x360 [ 8733.954478][ T1167] netlink_unicast+0x449/0x710 [ 8733.954478][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8733.954478][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8733.954478][ T1167] ___sys_sendmsg+0xee/0x170 [ 8733.954478][ T1167] __sys_sendmsg+0xcd/0x170 [ 8733.954478][ T1167] do_syscall_64+0xc6/0x1e0 [ 8733.954478][ T1167] [ 8733.956707][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8733.956707][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8733.956707][ T1167] ipv6_find_idev+0x102/0x170 [ 8733.956707][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8733.956707][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8733.956707][ T1167] netlink_rcv_skb+0x130/0x360 [ 8733.956707][ T1167] netlink_unicast+0x449/0x710 [ 8733.956707][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8733.956707][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8733.956707][ T1167] ___sys_sendmsg+0xee/0x170 [ 8733.956707][ T1167] __sys_sendmsg+0xcd/0x170 [ 8733.956707][ T1167] do_syscall_64+0xc6/0x1e0 [ 8733.956707][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8733.956707][ T1167] [ 8733.958472][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8733.958472][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8733.958472][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8733.958472][ T1167] ipv6_find_idev+0x102/0x170 [ 8733.958472][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8733.958472][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8733.958472][ T1167] netlink_rcv_skb+0x130/0x360 [ 8733.958472][ T1167] netlink_unicast+0x449/0x710 [ 8733.958472][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8733.958472][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8733.958472][ T1167] ___sys_sendmsg+0xee/0x170 [ 8733.958472][ T1167] __sys_sendmsg+0xcd/0x170 [ 8733.958472][ T1167] do_syscall_64+0xc6/0x1e0 [ 8733.958472][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8733.958472][ T1167] [ 8735.505103][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8735.505483][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8735.505483][ T10] netdev_get_by_index+0x5e/0x80 [ 8735.505483][ T10] fib6_nh_init+0x3d8/0x1580 [ 8735.505483][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8735.505483][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8735.505483][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8735.505483][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8735.505483][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8735.505483][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8735.505483][ T10] addrconf_dad_begin+0x310/0x670 [ 8735.505483][ T10] addrconf_dad_work+0x10b/0xab0 [ 8735.505483][ T10] process_one_work+0x84d/0x18a0 [ 8735.505483][ T10] worker_thread+0x587/0xd30 [ 8735.505483][ T10] kthread+0x28a/0x350 [ 8735.505483][ T10] ret_from_fork+0x31/0x70 [ 8735.505483][ T10] ret_from_fork_asm+0x1a/0x30 [ 8735.505483][ T10] [ 8735.507397][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8735.507397][ T10] netdev_get_by_index+0x5e/0x80 [ 8735.507397][ T10] fib6_nh_init+0x3d8/0x1580 [ 8735.507397][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8735.507397][ T10] ip6_route_add+0x1c/0x140 [ 8735.507397][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8735.507397][ T10] inet6_addr_add+0x4f8/0xa40 [ 8735.507397][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8735.507397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.507397][ T10] netlink_rcv_skb+0x130/0x360 [ 8735.507397][ T10] netlink_unicast+0x449/0x710 [ 8735.507397][ T10] netlink_sendmsg+0x723/0xbe0 [ 8735.507397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8735.507397][ T10] ___sys_sendmsg+0xee/0x170 [ 8735.507397][ T10] __sys_sendmsg+0xcd/0x170 [ 8735.507397][ T10] do_syscall_64+0xc6/0x1e0 [ 8735.507397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8735.507397][ T10] [ 8735.509382][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8735.509382][ T10] netdev_get_by_index+0x5e/0x80 [ 8735.509382][ T10] fib6_nh_init+0x3d8/0x1580 [ 8735.509382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8735.509382][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8735.509382][ T10] ipv6_add_addr+0x411/0x2000 [ 8735.509382][ T10] inet6_addr_add+0x30e/0xa40 [ 8735.509382][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8735.509382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.509382][ T10] netlink_rcv_skb+0x130/0x360 [ 8735.509382][ T10] netlink_unicast+0x449/0x710 [ 8735.509382][ T10] netlink_sendmsg+0x723/0xbe0 [ 8735.509382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8735.509382][ T10] ___sys_sendmsg+0xee/0x170 [ 8735.509382][ T10] __sys_sendmsg+0xcd/0x170 [ 8735.509382][ T10] do_syscall_64+0xc6/0x1e0 [ 8735.509382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8735.509382][ T10] [ 8735.511364][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8735.511364][ T10] netdev_get_by_index+0x5e/0x80 [ 8735.511364][ T10] fib6_nh_init+0x3d8/0x1580 [ 8735.511364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8735.511364][ T10] ip6_route_add+0x1c/0x140 [ 8735.511364][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8735.511364][ T10] addrconf_add_dev+0xe2/0x170 [ 8735.511364][ T10] inet6_addr_add+0x12f/0xa40 [ 8735.511364][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8735.511364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.511364][ T10] netlink_rcv_skb+0x130/0x360 [ 8735.511364][ T10] netlink_unicast+0x449/0x710 [ 8735.511364][ T10] netlink_sendmsg+0x723/0xbe0 [ 8735.511364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8735.511364][ T10] ___sys_sendmsg+0xee/0x170 [ 8735.511364][ T10] __sys_sendmsg+0xcd/0x170 [ 8735.511364][ T10] do_syscall_64+0xc6/0x1e0 [ 8735.511364][ T10] [ 8735.513320][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8735.513320][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8735.513320][ T10] ipv6_find_idev+0x102/0x170 [ 8735.513320][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8735.513320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.513320][ T10] netlink_rcv_skb+0x130/0x360 [ 8735.513320][ T10] netlink_unicast+0x449/0x710 [ 8735.513320][ T10] netlink_sendmsg+0x723/0xbe0 [ 8735.513320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8735.513320][ T10] ___sys_sendmsg+0xee/0x170 [ 8735.513320][ T10] __sys_sendmsg+0xcd/0x170 [ 8735.513320][ T10] do_syscall_64+0xc6/0x1e0 [ 8735.513320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8735.513320][ T10] [ 8735.514841][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8735.514841][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8735.514841][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8735.514841][ T10] ipv6_find_idev+0x102/0x170 [ 8735.514841][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8735.514841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.514841][ T10] netlink_rcv_skb+0x130/0x360 [ 8735.514841][ T10] netlink_unicast+0x449/0x710 [ 8735.514841][ T10] netlink_sendmsg+0x723/0xbe0 [ 8735.514841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8735.514841][ T10] ___sys_sendmsg+0xee/0x170 [ 8735.514841][ T10] __sys_sendmsg+0xcd/0x170 [ 8735.514841][ T10] do_syscall_64+0xc6/0x1e0 [ 8735.514841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8735.514841][ T10] [ 8735.516499][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8735.516734][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8735.516734][ T10] netdev_get_by_index+0x5e/0x80 [ 8735.516734][ T10] fib6_nh_init+0x3d8/0x1580 [ 8735.516734][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8735.516734][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8735.516734][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8735.516734][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8735.516734][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8735.516734][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8735.516734][ T10] addrconf_dad_begin+0x310/0x670 [ 8735.516734][ T10] addrconf_dad_work+0x10b/0xab0 [ 8735.516734][ T10] process_one_work+0x84d/0x18a0 [ 8735.516734][ T10] worker_thread+0x587/0xd30 [ 8735.516734][ T10] kthread+0x28a/0x350 [ 8735.516734][ T10] ret_from_fork+0x31/0x70 [ 8735.516734][ T10] ret_from_fork_asm+0x1a/0x30 [ 8735.516734][ T10] [ 8735.518633][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8735.518633][ T10] netdev_get_by_index+0x5e/0x80 [ 8735.518633][ T10] fib6_nh_init+0x3d8/0x1580 [ 8735.518633][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8735.518633][ T10] ip6_route_add+0x1c/0x140 [ 8735.518633][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8735.518633][ T10] inet6_addr_add+0x4f8/0xa40 [ 8735.518633][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8735.518633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.518633][ T10] netlink_rcv_skb+0x130/0x360 [ 8735.518633][ T10] netlink_unicast+0x449/0x710 [ 8735.518633][ T10] netlink_sendmsg+0x723/0xbe0 [ 8735.518633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8735.518633][ T10] ___sys_sendmsg+0xee/0x170 [ 8735.518633][ T10] __sys_sendmsg+0xcd/0x170 [ 8735.518633][ T10] do_syscall_64+0xc6/0x1e0 [ 8735.518633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8735.518633][ T10] [ 8735.520607][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8735.520607][ T10] netdev_get_by_index+0x5e/0x80 [ 8735.520607][ T10] fib6_nh_init+0x3d8/0x1580 [ 8735.520607][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8735.520607][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8735.520607][ T10] ipv6_add_addr+0x411/0x2000 [ 8735.520607][ T10] inet6_addr_add+0x30e/0xa40 [ 8735.520607][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8735.520607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.520607][ T10] netlink_rcv_skb+0x130/0x360 [ 8735.520607][ T10] netlink_unicast+0x449/0x710 [ 8735.520607][ T10] netlink_sendmsg+0x723/0xbe0 [ 8735.520607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8735.520607][ T10] ___sys_sendmsg+0xee/0x170 [ 8735.520607][ T10] __sys_sendmsg+0xcd/0x170 [ 8735.520607][ T10] do_syscall_64+0xc6/0x1e0 [ 8735.520607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8735.520607][ T10] [ 8735.522585][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8735.522585][ T10] netdev_get_by_index+0x5e/0x80 [ 8735.522585][ T10] fib6_nh_init+0x3d8/0x1580 [ 8735.522585][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8735.522585][ T10] ip6_route_add+0x1c/0x140 [ 8735.522585][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8735.522585][ T10] addrconf_add_dev+0xe2/0x170 [ 8735.522585][ T10] inet6_addr_add+0x12f/0xa40 [ 8735.522585][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8735.522585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.522585][ T10] netlink_rcv_skb+0x130/0x360 [ 8735.522585][ T10] netlink_unicast+0x449/0x710 [ 8735.522585][ T10] netlink_sendmsg+0x723/0xbe0 [ 8735.522585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8735.522585][ T10] ___sys_sendmsg+0xee/0x170 [ 8735.522585][ T10] __sys_sendmsg+0xcd/0x170 [ 8735.522585][ T10] do_syscall_64+0xc6/0x1e0 [ 8735.522585][ T10] [ 8735.524526][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8735.524526][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8735.524526][ T10] ipv6_find_idev+0x102/0x170 [ 8735.524526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8735.524526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.524526][ T10] netlink_rcv_skb+0x130/0x360 [ 8735.524526][ T10] netlink_unicast+0x449/0x710 [ 8735.524526][ T10] netlink_sendmsg+0x723/0xbe0 [ 8735.524526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8735.524526][ T10] ___sys_sendmsg+0xee/0x170 [ 8735.524526][ T10] __sys_sendmsg+0xcd/0x170 [ 8735.524526][ T10] do_syscall_64+0xc6/0x1e0 [ 8735.524526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8735.524526][ T10] [ 8735.526052][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8735.526052][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8735.526052][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8735.526052][ T10] ipv6_find_idev+0x102/0x170 [ 8735.526052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8735.526052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.526052][ T10] netlink_rcv_skb+0x130/0x360 [ 8735.526052][ T10] netlink_unicast+0x449/0x710 [ 8735.526052][ T10] netlink_sendmsg+0x723/0xbe0 [ 8735.526052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8735.526052][ T10] ___sys_sendmsg+0xee/0x170 [ 8735.526052][ T10] __sys_sendmsg+0xcd/0x170 [ 8735.526052][ T10] do_syscall_64+0xc6/0x1e0 [ 8735.526052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8735.526052][ T10] [ 8735.527716][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8735.527948][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8735.527948][ T10] netdev_get_by_index+0x5e/0x80 [ 8735.527948][ T10] fib6_nh_init+0x3d8/0x1580 [ 8735.527948][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8735.527948][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8735.527948][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8735.527948][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8735.527948][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8735.527948][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8735.527948][ T10] addrconf_dad_begin+0x310/0x670 [ 8735.527948][ T10] addrconf_dad_work+0x10b/0xab0 [ 8735.527948][ T10] process_one_work+0x84d/0x18a0 [ 8735.527948][ T10] worker_thread+0x587/0xd30 [ 8735.527948][ T10] kthread+0x28a/0x350 [ 8735.527948][ T10] ret_from_fork+0x31/0x70 [ 8735.527948][ T10] ret_from_fork_asm+0x1a/0x30 [ 8735.527948][ T10] [ 8735.529845][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8735.529845][ T10] netdev_get_by_index+0x5e/0x80 [ 8735.529845][ T10] fib6_nh_init+0x3d8/0x1580 [ 8735.529845][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8735.529845][ T10] ip6_route_add+0x1c/0x140 [ 8735.529845][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8735.529845][ T10] inet6_addr_add+0x4f8/0xa40 [ 8735.529845][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8735.529845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.529845][ T10] netlink_rcv_skb+0x130/0x360 [ 8735.529845][ T10] netlink_unicast+0x449/0x710 [ 8735.529845][ T10] netlink_sendmsg+0x723/0xbe0 [ 8735.529845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8735.529845][ T10] ___sys_sendmsg+0xee/0x170 [ 8735.529845][ T10] __sys_sendmsg+0xcd/0x170 [ 8735.529845][ T10] do_syscall_64+0xc6/0x1e0 [ 8735.529845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8735.529845][ T10] [ 8735.532006][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8735.532006][ T10] netdev_get_by_index+0x5e/0x80 [ 8735.532006][ T10] fib6_nh_init+0x3d8/0x1580 [ 8735.532006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8735.532006][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8735.532006][ T10] ipv6_add_addr+0x411/0x2000 [ 8735.532006][ T10] inet6_addr_add+0x30e/0xa40 [ 8735.532006][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8735.532006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.532006][ T10] netlink_rcv_skb+0x130/0x360 [ 8735.532006][ T10] netlink_unicast+0x449/0x710 [ 8735.532006][ T10] netlink_sendmsg+0x723/0xbe0 [ 8735.532006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8735.532006][ T10] ___sys_sendmsg+0xee/0x170 [ 8735.532006][ T10] __sys_sendmsg+0xcd/0x170 [ 8735.532006][ T10] do_syscall_64+0xc6/0x1e0 [ 8735.532006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8735.532006][ T10] [ 8735.534238][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8735.534238][ T10] netdev_get_by_index+0x5e/0x80 [ 8735.534238][ T10] fib6_nh_init+0x3d8/0x1580 [ 8735.534238][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8735.534238][ T10] ip6_route_add+0x1c/0x140 [ 8735.534238][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8735.534238][ T10] addrconf_add_dev+0xe2/0x170 [ 8735.534238][ T10] inet6_addr_add+0x12f/0xa40 [ 8735.534238][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8735.534238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.534238][ T10] netlink_rcv_skb+0x130/0x360 [ 8735.534238][ T10] netlink_unicast+0x449/0x710 [ 8735.534238][ T10] netlink_sendmsg+0x723/0xbe0 [ 8735.534238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8735.534238][ T10] ___sys_sendmsg+0xee/0x170 [ 8735.534238][ T10] __sys_sendmsg+0xcd/0x170 [ 8735.534238][ T10] do_syscall_64+0xc6/0x1e0 [ 8735.534238][ T10] [ 8735.536363][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8735.536363][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8735.536363][ T10] ipv6_find_idev+0x102/0x170 [ 8735.536363][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8735.536363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.536363][ T10] netlink_rcv_skb+0x130/0x360 [ 8735.536363][ T10] netlink_unicast+0x449/0x710 [ 8735.536363][ T10] netlink_sendmsg+0x723/0xbe0 [ 8735.536363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8735.536363][ T10] ___sys_sendmsg+0xee/0x170 [ 8735.536363][ T10] __sys_sendmsg+0xcd/0x170 [ 8735.536363][ T10] do_syscall_64+0xc6/0x1e0 [ 8735.536363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8735.536363][ T10] [ 8735.538140][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8735.538140][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8735.538140][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8735.538140][ T10] ipv6_find_idev+0x102/0x170 [ 8735.538140][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8735.538140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.538140][ T10] netlink_rcv_skb+0x130/0x360 [ 8735.538140][ T10] netlink_unicast+0x449/0x710 [ 8735.538140][ T10] netlink_sendmsg+0x723/0xbe0 [ 8735.538140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8735.538140][ T10] ___sys_sendmsg+0xee/0x170 [ 8735.538140][ T10] __sys_sendmsg+0xcd/0x170 [ 8735.538140][ T10] do_syscall_64+0xc6/0x1e0 [ 8735.538140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8735.538140][ T10] [ 8735.539976][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8735.540649][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8735.540649][ T10] netdev_get_by_index+0x5e/0x80 [ 8735.540649][ T10] fib6_nh_init+0x3d8/0x1580 [ 8735.540649][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8735.540649][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8735.540649][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8735.540649][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8735.540649][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8735.540649][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8735.540649][ T10] addrconf_dad_begin+0x310/0x670 [ 8735.540649][ T10] addrconf_dad_work+0x10b/0xab0 [ 8735.540649][ T10] process_one_work+0x84d/0x18a0 [ 8735.540649][ T10] worker_thread+0x587/0xd30 [ 8735.540649][ T10] kthread+0x28a/0x350 [ 8735.540649][ T10] ret_from_fork+0x31/0x70 [ 8735.540649][ T10] ret_from_fork_asm+0x1a/0x30 [ 8735.540649][ T10] [ 8735.542533][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8735.542533][ T10] netdev_get_by_index+0x5e/0x80 [ 8735.542533][ T10] fib6_nh_init+0x3d8/0x1580 [ 8735.542533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8735.542533][ T10] ip6_route_add+0x1c/0x140 [ 8735.542533][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8735.542533][ T10] inet6_addr_add+0x4f8/0xa40 [ 8735.542533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8735.542533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.542533][ T10] netlink_rcv_skb+0x130/0x360 [ 8735.542533][ T10] netlink_unicast+0x449/0x710 [ 8735.542533][ T10] netlink_sendmsg+0x723/0xbe0 [ 8735.542533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8735.542533][ T10] ___sys_sendmsg+0xee/0x170 [ 8735.542533][ T10] __sys_sendmsg+0xcd/0x170 [ 8735.542533][ T10] do_syscall_64+0xc6/0x1e0 [ 8735.542533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8735.542533][ T10] [ 8735.544632][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8735.544632][ T10] netdev_get_by_index+0x5e/0x80 [ 8735.544632][ T10] fib6_nh_init+0x3d8/0x1580 [ 8735.544632][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8735.544632][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8735.544632][ T10] ipv6_add_addr+0x411/0x2000 [ 8735.544632][ T10] inet6_addr_add+0x30e/0xa40 [ 8735.544632][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8735.544632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.544632][ T10] netlink_rcv_skb+0x130/0x360 [ 8735.544632][ T10] netlink_unicast+0x449/0x710 [ 8735.544632][ T10] netlink_sendmsg+0x723/0xbe0 [ 8735.544632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8735.544632][ T10] ___sys_sendmsg+0xee/0x170 [ 8735.544632][ T10] __sys_sendmsg+0xcd/0x170 [ 8735.544632][ T10] do_syscall_64+0xc6/0x1e0 [ 8735.544632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8735.544632][ T10] [ 8735.546797][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8735.546797][ T10] netdev_get_by_index+0x5e/0x80 [ 8735.546797][ T10] fib6_nh_init+0x3d8/0x1580 [ 8735.546797][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8735.546797][ T10] ip6_route_add+0x1c/0x140 [ 8735.546797][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8735.546797][ T10] addrconf_add_dev+0xe2/0x170 [ 8735.546797][ T10] inet6_addr_add+0x12f/0xa40 [ 8735.546797][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8735.546797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.546797][ T10] netlink_rcv_skb+0x130/0x360 [ 8735.546797][ T10] netlink_unicast+0x449/0x710 [ 8735.546797][ T10] netlink_sendmsg+0x723/0xbe0 [ 8735.546797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8735.546797][ T10] ___sys_sendmsg+0xee/0x170 [ 8735.546797][ T10] __sys_sendmsg+0xcd/0x170 [ 8735.546797][ T10] do_syscall_64+0xc6/0x1e0 [ 8735.546797][ T10] [ 8735.548996][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8735.548996][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8735.548996][ T10] ipv6_find_idev+0x102/0x170 [ 8735.548996][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8735.548996][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.548996][ T10] netlink_rcv_skb+0x130/0x360 [ 8735.548996][ T10] netlink_unicast+0x449/0x710 [ 8735.548996][ T10] netlink_sendmsg+0x723/0xbe0 [ 8735.548996][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8735.548996][ T10] ___sys_sendmsg+0xee/0x170 [ 8735.548996][ T10] __sys_sendmsg+0xcd/0x170 [ 8735.548996][ T10] do_syscall_64+0xc6/0x1e0 [ 8735.548996][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8735.548996][ T10] [ 8735.550759][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8735.550759][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8735.550759][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8735.550759][ T10] ipv6_find_idev+0x102/0x170 [ 8735.550759][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8735.550759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.550759][ T10] netlink_rcv_skb+0x130/0x360 [ 8735.550759][ T10] netlink_unicast+0x449/0x710 [ 8735.550759][ T10] netlink_sendmsg+0x723/0xbe0 [ 8735.550759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8735.550759][ T10] ___sys_sendmsg+0xee/0x170 [ 8735.550759][ T10] __sys_sendmsg+0xcd/0x170 [ 8735.550759][ T10] do_syscall_64+0xc6/0x1e0 [ 8735.550759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8735.550759][ T10] [ 8744.209029][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8744.209551][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8744.209551][ T1167] dst_init+0x84/0x4a0 [ 8744.209551][ T1167] dst_alloc+0x97/0x150 [ 8744.209551][ T1167] ip6_dst_alloc+0x23/0x90 [ 8744.209551][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8744.209551][ T1167] ip6_pol_route+0x56f/0x840 [ 8744.209551][ T1167] fib6_rule_lookup+0x334/0x630 [ 8744.209551][ T1167] ip6_route_output_flags+0x259/0x480 [ 8744.209551][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8744.209551][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8744.209551][ T1167] netlink_rcv_skb+0x130/0x360 [ 8744.209551][ T1167] netlink_unicast+0x449/0x710 [ 8744.209551][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8744.209551][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8744.209551][ T1167] ___sys_sendmsg+0xee/0x170 [ 8744.209551][ T1167] __sys_sendmsg+0xcd/0x170 [ 8744.209551][ T1167] do_syscall_64+0xc6/0x1e0 [ 8744.209551][ T1167] [ 8744.211779][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8744.211779][ T1167] netdev_get_by_index+0x5e/0x80 [ 8744.211779][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8744.211779][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8744.211779][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8744.211779][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8744.211779][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8744.211779][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8744.211779][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8744.211779][ T1167] addrconf_dad_begin+0x310/0x670 [ 8744.211779][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8744.211779][ T1167] process_one_work+0x84d/0x18a0 [ 8744.211779][ T1167] worker_thread+0x587/0xd30 [ 8744.211779][ T1167] kthread+0x28a/0x350 [ 8744.211779][ T1167] ret_from_fork+0x31/0x70 [ 8744.211779][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8744.211779][ T1167] [ 8744.213948][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8744.213948][ T1167] netdev_get_by_index+0x5e/0x80 [ 8744.213948][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8744.213948][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8744.213948][ T1167] ip6_route_add+0x1c/0x140 [ 8744.213948][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8744.213948][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8744.213948][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8744.213948][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8744.213948][ T1167] netlink_rcv_skb+0x130/0x360 [ 8744.213948][ T1167] netlink_unicast+0x449/0x710 [ 8744.213948][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8744.213948][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8744.213948][ T1167] ___sys_sendmsg+0xee/0x170 [ 8744.213948][ T1167] __sys_sendmsg+0xcd/0x170 [ 8744.213948][ T1167] do_syscall_64+0xc6/0x1e0 [ 8744.213948][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8744.213948][ T1167] [ 8744.216217][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8744.216217][ T1167] netdev_get_by_index+0x5e/0x80 [ 8744.216217][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8744.216217][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8744.216217][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8744.216217][ T1167] ipv6_add_addr+0x411/0x2000 [ 8744.216217][ T1167] inet6_addr_add+0x30e/0xa40 [ 8744.216217][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8744.216217][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8744.216217][ T1167] netlink_rcv_skb+0x130/0x360 [ 8744.216217][ T1167] netlink_unicast+0x449/0x710 [ 8744.216217][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8744.216217][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8744.216217][ T1167] ___sys_sendmsg+0xee/0x170 [ 8744.216217][ T1167] __sys_sendmsg+0xcd/0x170 [ 8744.216217][ T1167] do_syscall_64+0xc6/0x1e0 [ 8744.216217][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8744.216217][ T1167] [ 8744.218504][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8744.218504][ T1167] netdev_get_by_index+0x5e/0x80 [ 8744.218504][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8744.218504][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8744.218504][ T1167] ip6_route_add+0x1c/0x140 [ 8744.218504][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8744.218504][ T1167] addrconf_add_dev+0xe2/0x170 [ 8744.218504][ T1167] inet6_addr_add+0x12f/0xa40 [ 8744.218504][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8744.218504][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8744.218504][ T1167] netlink_rcv_skb+0x130/0x360 [ 8744.218504][ T1167] netlink_unicast+0x449/0x710 [ 8744.218504][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8744.218504][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8744.218504][ T1167] ___sys_sendmsg+0xee/0x170 [ 8744.218504][ T1167] __sys_sendmsg+0xcd/0x170 [ 8744.218504][ T1167] do_syscall_64+0xc6/0x1e0 [ 8744.218504][ T1167] [ 8744.220752][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8744.220752][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8744.220752][ T1167] ipv6_find_idev+0x102/0x170 [ 8744.220752][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8744.220752][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8744.220752][ T1167] netlink_rcv_skb+0x130/0x360 [ 8744.220752][ T1167] netlink_unicast+0x449/0x710 [ 8744.220752][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8744.220752][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8744.220752][ T1167] ___sys_sendmsg+0xee/0x170 [ 8744.220752][ T1167] __sys_sendmsg+0xcd/0x170 [ 8744.220752][ T1167] do_syscall_64+0xc6/0x1e0 [ 8744.220752][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8744.220752][ T1167] [ 8744.222509][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8744.222509][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8744.222509][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8744.222509][ T1167] ipv6_find_idev+0x102/0x170 [ 8744.222509][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8744.222509][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8744.222509][ T1167] netlink_rcv_skb+0x130/0x360 [ 8744.222509][ T1167] netlink_unicast+0x449/0x710 [ 8744.222509][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8744.222509][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8744.222509][ T1167] ___sys_sendmsg+0xee/0x170 [ 8744.222509][ T1167] __sys_sendmsg+0xcd/0x170 [ 8744.222509][ T1167] do_syscall_64+0xc6/0x1e0 [ 8744.222509][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8744.222509][ T1167] [ 8745.793100][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8745.793518][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8745.793518][ T10] netdev_get_by_index+0x5e/0x80 [ 8745.793518][ T10] fib6_nh_init+0x3d8/0x1580 [ 8745.793518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8745.793518][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8745.793518][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8745.793518][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8745.793518][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8745.793518][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8745.793518][ T10] addrconf_dad_begin+0x310/0x670 [ 8745.793518][ T10] addrconf_dad_work+0x10b/0xab0 [ 8745.793518][ T10] process_one_work+0x84d/0x18a0 [ 8745.793518][ T10] worker_thread+0x587/0xd30 [ 8745.793518][ T10] kthread+0x28a/0x350 [ 8745.793518][ T10] ret_from_fork+0x31/0x70 [ 8745.793518][ T10] ret_from_fork_asm+0x1a/0x30 [ 8745.793518][ T10] [ 8745.795430][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8745.795430][ T10] netdev_get_by_index+0x5e/0x80 [ 8745.795430][ T10] fib6_nh_init+0x3d8/0x1580 [ 8745.795430][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8745.795430][ T10] ip6_route_add+0x1c/0x140 [ 8745.795430][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8745.795430][ T10] inet6_addr_add+0x4f8/0xa40 [ 8745.795430][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8745.795430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8745.795430][ T10] netlink_rcv_skb+0x130/0x360 [ 8745.795430][ T10] netlink_unicast+0x449/0x710 [ 8745.795430][ T10] netlink_sendmsg+0x723/0xbe0 [ 8745.795430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8745.795430][ T10] ___sys_sendmsg+0xee/0x170 [ 8745.795430][ T10] __sys_sendmsg+0xcd/0x170 [ 8745.795430][ T10] do_syscall_64+0xc6/0x1e0 [ 8745.795430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8745.795430][ T10] [ 8745.797422][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8745.797422][ T10] netdev_get_by_index+0x5e/0x80 [ 8745.797422][ T10] fib6_nh_init+0x3d8/0x1580 [ 8745.797422][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8745.797422][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8745.797422][ T10] ipv6_add_addr+0x411/0x2000 [ 8745.797422][ T10] inet6_addr_add+0x30e/0xa40 [ 8745.797422][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8745.797422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8745.797422][ T10] netlink_rcv_skb+0x130/0x360 [ 8745.797422][ T10] netlink_unicast+0x449/0x710 [ 8745.797422][ T10] netlink_sendmsg+0x723/0xbe0 [ 8745.797422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8745.797422][ T10] ___sys_sendmsg+0xee/0x170 [ 8745.797422][ T10] __sys_sendmsg+0xcd/0x170 [ 8745.797422][ T10] do_syscall_64+0xc6/0x1e0 [ 8745.797422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8745.797422][ T10] [ 8745.799399][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8745.799399][ T10] netdev_get_by_index+0x5e/0x80 [ 8745.799399][ T10] fib6_nh_init+0x3d8/0x1580 [ 8745.799399][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8745.799399][ T10] ip6_route_add+0x1c/0x140 [ 8745.799399][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8745.799399][ T10] addrconf_add_dev+0xe2/0x170 [ 8745.799399][ T10] inet6_addr_add+0x12f/0xa40 [ 8745.799399][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8745.799399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8745.799399][ T10] netlink_rcv_skb+0x130/0x360 [ 8745.799399][ T10] netlink_unicast+0x449/0x710 [ 8745.799399][ T10] netlink_sendmsg+0x723/0xbe0 [ 8745.799399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8745.799399][ T10] ___sys_sendmsg+0xee/0x170 [ 8745.799399][ T10] __sys_sendmsg+0xcd/0x170 [ 8745.799399][ T10] do_syscall_64+0xc6/0x1e0 [ 8745.799399][ T10] [ 8745.801357][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8745.801357][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8745.801357][ T10] ipv6_find_idev+0x102/0x170 [ 8745.801357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8745.801357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8745.801357][ T10] netlink_rcv_skb+0x130/0x360 [ 8745.801357][ T10] netlink_unicast+0x449/0x710 [ 8745.801357][ T10] netlink_sendmsg+0x723/0xbe0 [ 8745.801357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8745.801357][ T10] ___sys_sendmsg+0xee/0x170 [ 8745.801357][ T10] __sys_sendmsg+0xcd/0x170 [ 8745.801357][ T10] do_syscall_64+0xc6/0x1e0 [ 8745.801357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8745.801357][ T10] [ 8745.802881][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8745.802881][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8745.802881][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8745.802881][ T10] ipv6_find_idev+0x102/0x170 [ 8745.802881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8745.802881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8745.802881][ T10] netlink_rcv_skb+0x130/0x360 [ 8745.802881][ T10] netlink_unicast+0x449/0x710 [ 8745.802881][ T10] netlink_sendmsg+0x723/0xbe0 [ 8745.802881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8745.802881][ T10] ___sys_sendmsg+0xee/0x170 [ 8745.802881][ T10] __sys_sendmsg+0xcd/0x170 [ 8745.802881][ T10] do_syscall_64+0xc6/0x1e0 [ 8745.802881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8745.802881][ T10] [ 8745.804575][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8745.804819][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8745.804819][ T10] netdev_get_by_index+0x5e/0x80 [ 8745.804819][ T10] fib6_nh_init+0x3d8/0x1580 [ 8745.804819][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8745.804819][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8745.804819][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8745.804819][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8745.804819][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8745.804819][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8745.804819][ T10] addrconf_dad_begin+0x310/0x670 [ 8745.804819][ T10] addrconf_dad_work+0x10b/0xab0 [ 8745.804819][ T10] process_one_work+0x84d/0x18a0 [ 8745.804819][ T10] worker_thread+0x587/0xd30 [ 8745.804819][ T10] kthread+0x28a/0x350 [ 8745.804819][ T10] ret_from_fork+0x31/0x70 [ 8745.804819][ T10] ret_from_fork_asm+0x1a/0x30 [ 8745.804819][ T10] [ 8745.806709][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8745.806709][ T10] netdev_get_by_index+0x5e/0x80 [ 8745.806709][ T10] fib6_nh_init+0x3d8/0x1580 [ 8745.806709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8745.806709][ T10] ip6_route_add+0x1c/0x140 [ 8745.806709][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8745.806709][ T10] inet6_addr_add+0x4f8/0xa40 [ 8745.806709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8745.806709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8745.806709][ T10] netlink_rcv_skb+0x130/0x360 [ 8745.806709][ T10] netlink_unicast+0x449/0x710 [ 8745.806709][ T10] netlink_sendmsg+0x723/0xbe0 [ 8745.806709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8745.806709][ T10] ___sys_sendmsg+0xee/0x170 [ 8745.806709][ T10] __sys_sendmsg+0xcd/0x170 [ 8745.806709][ T10] do_syscall_64+0xc6/0x1e0 [ 8745.806709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8745.806709][ T10] [ 8745.808689][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8745.808689][ T10] netdev_get_by_index+0x5e/0x80 [ 8745.808689][ T10] fib6_nh_init+0x3d8/0x1580 [ 8745.808689][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8745.808689][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8745.808689][ T10] ipv6_add_addr+0x411/0x2000 [ 8745.808689][ T10] inet6_addr_add+0x30e/0xa40 [ 8745.808689][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8745.808689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8745.808689][ T10] netlink_rcv_skb+0x130/0x360 [ 8745.808689][ T10] netlink_unicast+0x449/0x710 [ 8745.808689][ T10] netlink_sendmsg+0x723/0xbe0 [ 8745.808689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8745.808689][ T10] ___sys_sendmsg+0xee/0x170 [ 8745.808689][ T10] __sys_sendmsg+0xcd/0x170 [ 8745.808689][ T10] do_syscall_64+0xc6/0x1e0 [ 8745.808689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8745.808689][ T10] [ 8745.810661][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8745.810661][ T10] netdev_get_by_index+0x5e/0x80 [ 8745.810661][ T10] fib6_nh_init+0x3d8/0x1580 [ 8745.810661][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8745.810661][ T10] ip6_route_add+0x1c/0x140 [ 8745.810661][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8745.810661][ T10] addrconf_add_dev+0xe2/0x170 [ 8745.810661][ T10] inet6_addr_add+0x12f/0xa40 [ 8745.810661][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8745.810661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8745.810661][ T10] netlink_rcv_skb+0x130/0x360 [ 8745.810661][ T10] netlink_unicast+0x449/0x710 [ 8745.810661][ T10] netlink_sendmsg+0x723/0xbe0 [ 8745.810661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8745.810661][ T10] ___sys_sendmsg+0xee/0x170 [ 8745.810661][ T10] __sys_sendmsg+0xcd/0x170 [ 8745.810661][ T10] do_syscall_64+0xc6/0x1e0 [ 8745.810661][ T10] [ 8745.812603][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8745.812603][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8745.812603][ T10] ipv6_find_idev+0x102/0x170 [ 8745.812603][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8745.812603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8745.812603][ T10] netlink_rcv_skb+0x130/0x360 [ 8745.812603][ T10] netlink_unicast+0x449/0x710 [ 8745.812603][ T10] netlink_sendmsg+0x723/0xbe0 [ 8745.812603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8745.812603][ T10] ___sys_sendmsg+0xee/0x170 [ 8745.812603][ T10] __sys_sendmsg+0xcd/0x170 [ 8745.812603][ T10] do_syscall_64+0xc6/0x1e0 [ 8745.812603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8745.812603][ T10] [ 8745.814127][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8745.814127][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8745.814127][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8745.814127][ T10] ipv6_find_idev+0x102/0x170 [ 8745.814127][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8745.814127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8745.814127][ T10] netlink_rcv_skb+0x130/0x360 [ 8745.814127][ T10] netlink_unicast+0x449/0x710 [ 8745.814127][ T10] netlink_sendmsg+0x723/0xbe0 [ 8745.814127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8745.814127][ T10] ___sys_sendmsg+0xee/0x170 [ 8745.814127][ T10] __sys_sendmsg+0xcd/0x170 [ 8745.814127][ T10] do_syscall_64+0xc6/0x1e0 [ 8745.814127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8745.814127][ T10] [ 8745.815780][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8745.816011][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8745.816011][ T10] netdev_get_by_index+0x5e/0x80 [ 8745.816011][ T10] fib6_nh_init+0x3d8/0x1580 [ 8745.816011][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8745.816011][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8745.816011][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8745.816011][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8745.816011][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8745.816011][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8745.816011][ T10] addrconf_dad_begin+0x310/0x670 [ 8745.816011][ T10] addrconf_dad_work+0x10b/0xab0 [ 8745.816011][ T10] process_one_work+0x84d/0x18a0 [ 8745.816011][ T10] worker_thread+0x587/0xd30 [ 8745.816011][ T10] kthread+0x28a/0x350 [ 8745.816011][ T10] ret_from_fork+0x31/0x70 [ 8745.816011][ T10] ret_from_fork_asm+0x1a/0x30 [ 8745.816011][ T10] [ 8745.817910][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8745.817910][ T10] netdev_get_by_index+0x5e/0x80 [ 8745.817910][ T10] fib6_nh_init+0x3d8/0x1580 [ 8745.817910][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8745.817910][ T10] ip6_route_add+0x1c/0x140 [ 8745.817910][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8745.817910][ T10] inet6_addr_add+0x4f8/0xa40 [ 8745.817910][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8745.817910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8745.817910][ T10] netlink_rcv_skb+0x130/0x360 [ 8745.817910][ T10] netlink_unicast+0x449/0x710 [ 8745.817910][ T10] netlink_sendmsg+0x723/0xbe0 [ 8745.817910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8745.817910][ T10] ___sys_sendmsg+0xee/0x170 [ 8745.817910][ T10] __sys_sendmsg+0xcd/0x170 [ 8745.817910][ T10] do_syscall_64+0xc6/0x1e0 [ 8745.817910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8745.817910][ T10] [ 8745.820072][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8745.820072][ T10] netdev_get_by_index+0x5e/0x80 [ 8745.820072][ T10] fib6_nh_init+0x3d8/0x1580 [ 8745.820072][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8745.820072][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8745.820072][ T10] ipv6_add_addr+0x411/0x2000 [ 8745.820072][ T10] inet6_addr_add+0x30e/0xa40 [ 8745.820072][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8745.820072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8745.820072][ T10] netlink_rcv_skb+0x130/0x360 [ 8745.820072][ T10] netlink_unicast+0x449/0x710 [ 8745.820072][ T10] netlink_sendmsg+0x723/0xbe0 [ 8745.820072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8745.820072][ T10] ___sys_sendmsg+0xee/0x170 [ 8745.820072][ T10] __sys_sendmsg+0xcd/0x170 [ 8745.820072][ T10] do_syscall_64+0xc6/0x1e0 [ 8745.820072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8745.820072][ T10] [ 8745.822358][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8745.822358][ T10] netdev_get_by_index+0x5e/0x80 [ 8745.822358][ T10] fib6_nh_init+0x3d8/0x1580 [ 8745.822358][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8745.822358][ T10] ip6_route_add+0x1c/0x140 [ 8745.822358][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8745.822358][ T10] addrconf_add_dev+0xe2/0x170 [ 8745.822358][ T10] inet6_addr_add+0x12f/0xa40 [ 8745.822358][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8745.822358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8745.822358][ T10] netlink_rcv_skb+0x130/0x360 [ 8745.822358][ T10] netlink_unicast+0x449/0x710 [ 8745.822358][ T10] netlink_sendmsg+0x723/0xbe0 [ 8745.822358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8745.822358][ T10] ___sys_sendmsg+0xee/0x170 [ 8745.822358][ T10] __sys_sendmsg+0xcd/0x170 [ 8745.822358][ T10] do_syscall_64+0xc6/0x1e0 [ 8745.822358][ T10] [ 8745.824503][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8745.824503][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8745.824503][ T10] ipv6_find_idev+0x102/0x170 [ 8745.824503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8745.824503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8745.824503][ T10] netlink_rcv_skb+0x130/0x360 [ 8745.824503][ T10] netlink_unicast+0x449/0x710 [ 8745.824503][ T10] netlink_sendmsg+0x723/0xbe0 [ 8745.824503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8745.824503][ T10] ___sys_sendmsg+0xee/0x170 [ 8745.824503][ T10] __sys_sendmsg+0xcd/0x170 [ 8745.824503][ T10] do_syscall_64+0xc6/0x1e0 [ 8745.824503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8745.824503][ T10] [ 8745.826162][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8745.826162][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8745.826162][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8745.826162][ T10] ipv6_find_idev+0x102/0x170 [ 8745.826162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8745.826162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8745.826162][ T10] netlink_rcv_skb+0x130/0x360 [ 8745.826162][ T10] netlink_unicast+0x449/0x710 [ 8745.826162][ T10] netlink_sendmsg+0x723/0xbe0 [ 8745.826162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8745.826162][ T10] ___sys_sendmsg+0xee/0x170 [ 8745.826162][ T10] __sys_sendmsg+0xcd/0x170 [ 8745.826162][ T10] do_syscall_64+0xc6/0x1e0 [ 8745.826162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8745.826162][ T10] [ 8745.828085][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8745.828319][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8745.828319][ T10] netdev_get_by_index+0x5e/0x80 [ 8745.828319][ T10] fib6_nh_init+0x3d8/0x1580 [ 8745.828319][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8745.828319][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8745.828319][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8745.828319][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8745.828319][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8745.828319][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8745.828319][ T10] addrconf_dad_begin+0x310/0x670 [ 8745.828319][ T10] addrconf_dad_work+0x10b/0xab0 [ 8745.828319][ T10] process_one_work+0x84d/0x18a0 [ 8745.828319][ T10] worker_thread+0x587/0xd30 [ 8745.828319][ T10] kthread+0x28a/0x350 [ 8745.828319][ T10] ret_from_fork+0x31/0x70 [ 8745.828319][ T10] ret_from_fork_asm+0x1a/0x30 [ 8745.828319][ T10] [ 8745.830452][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8745.830452][ T10] netdev_get_by_index+0x5e/0x80 [ 8745.830452][ T10] fib6_nh_init+0x3d8/0x1580 [ 8745.830452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8745.830452][ T10] ip6_route_add+0x1c/0x140 [ 8745.830452][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8745.830452][ T10] inet6_addr_add+0x4f8/0xa40 [ 8745.830452][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8745.830452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8745.830452][ T10] netlink_rcv_skb+0x130/0x360 [ 8745.830452][ T10] netlink_unicast+0x449/0x710 [ 8745.830452][ T10] netlink_sendmsg+0x723/0xbe0 [ 8745.830452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8745.830452][ T10] ___sys_sendmsg+0xee/0x170 [ 8745.830452][ T10] __sys_sendmsg+0xcd/0x170 [ 8745.830452][ T10] do_syscall_64+0xc6/0x1e0 [ 8745.830452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8745.830452][ T10] [ 8745.832616][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8745.832616][ T10] netdev_get_by_index+0x5e/0x80 [ 8745.832616][ T10] fib6_nh_init+0x3d8/0x1580 [ 8745.832616][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8745.832616][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8745.832616][ T10] ipv6_add_addr+0x411/0x2000 [ 8745.832616][ T10] inet6_addr_add+0x30e/0xa40 [ 8745.832616][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8745.832616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8745.832616][ T10] netlink_rcv_skb+0x130/0x360 [ 8745.832616][ T10] netlink_unicast+0x449/0x710 [ 8745.832616][ T10] netlink_sendmsg+0x723/0xbe0 [ 8745.832616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8745.832616][ T10] ___sys_sendmsg+0xee/0x170 [ 8745.832616][ T10] __sys_sendmsg+0xcd/0x170 [ 8745.832616][ T10] do_syscall_64+0xc6/0x1e0 [ 8745.832616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8745.832616][ T10] [ 8745.834845][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8745.834845][ T10] netdev_get_by_index+0x5e/0x80 [ 8745.834845][ T10] fib6_nh_init+0x3d8/0x1580 [ 8745.834845][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8745.834845][ T10] ip6_route_add+0x1c/0x140 [ 8745.834845][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8745.834845][ T10] addrconf_add_dev+0xe2/0x170 [ 8745.834845][ T10] inet6_addr_add+0x12f/0xa40 [ 8745.834845][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8745.834845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8745.834845][ T10] netlink_rcv_skb+0x130/0x360 [ 8745.834845][ T10] netlink_unicast+0x449/0x710 [ 8745.834845][ T10] netlink_sendmsg+0x723/0xbe0 [ 8745.834845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8745.834845][ T10] ___sys_sendmsg+0xee/0x170 [ 8745.834845][ T10] __sys_sendmsg+0xcd/0x170 [ 8745.834845][ T10] do_syscall_64+0xc6/0x1e0 [ 8745.834845][ T10] [ 8745.836974][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8745.836974][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8745.836974][ T10] ipv6_find_idev+0x102/0x170 [ 8745.836974][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8745.836974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8745.836974][ T10] netlink_rcv_skb+0x130/0x360 [ 8745.836974][ T10] netlink_unicast+0x449/0x710 [ 8745.836974][ T10] netlink_sendmsg+0x723/0xbe0 [ 8745.836974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8745.836974][ T10] ___sys_sendmsg+0xee/0x170 [ 8745.836974][ T10] __sys_sendmsg+0xcd/0x170 [ 8745.836974][ T10] do_syscall_64+0xc6/0x1e0 [ 8745.836974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8745.836974][ T10] [ 8745.838680][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8745.838680][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8745.838680][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8745.838680][ T10] ipv6_find_idev+0x102/0x170 [ 8745.838680][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8745.838680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8745.838680][ T10] netlink_rcv_skb+0x130/0x360 [ 8745.838680][ T10] netlink_unicast+0x449/0x710 [ 8745.838680][ T10] netlink_sendmsg+0x723/0xbe0 [ 8745.838680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8745.838680][ T10] ___sys_sendmsg+0xee/0x170 [ 8745.838680][ T10] __sys_sendmsg+0xcd/0x170 [ 8745.838680][ T10] do_syscall_64+0xc6/0x1e0 [ 8745.838680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8745.838680][ T10] [ 8754.473034][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8754.473535][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8754.473535][ T1167] dst_init+0x84/0x4a0 [ 8754.473535][ T1167] dst_alloc+0x97/0x150 [ 8754.473535][ T1167] ip6_dst_alloc+0x23/0x90 [ 8754.473535][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8754.473535][ T1167] ip6_pol_route+0x56f/0x840 [ 8754.473535][ T1167] fib6_rule_lookup+0x334/0x630 [ 8754.473535][ T1167] ip6_route_output_flags+0x259/0x480 [ 8754.473535][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8754.473535][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8754.473535][ T1167] netlink_rcv_skb+0x130/0x360 [ 8754.473535][ T1167] netlink_unicast+0x449/0x710 [ 8754.473535][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8754.473535][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8754.473535][ T1167] ___sys_sendmsg+0xee/0x170 [ 8754.473535][ T1167] __sys_sendmsg+0xcd/0x170 [ 8754.473535][ T1167] do_syscall_64+0xc6/0x1e0 [ 8754.473535][ T1167] [ 8754.475770][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8754.475770][ T1167] netdev_get_by_index+0x5e/0x80 [ 8754.475770][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8754.475770][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8754.475770][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8754.475770][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8754.475770][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8754.475770][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8754.475770][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8754.475770][ T1167] addrconf_dad_begin+0x310/0x670 [ 8754.475770][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8754.475770][ T1167] process_one_work+0x84d/0x18a0 [ 8754.475770][ T1167] worker_thread+0x587/0xd30 [ 8754.475770][ T1167] kthread+0x28a/0x350 [ 8754.475770][ T1167] ret_from_fork+0x31/0x70 [ 8754.475770][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8754.475770][ T1167] [ 8754.477955][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8754.477955][ T1167] netdev_get_by_index+0x5e/0x80 [ 8754.477955][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8754.477955][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8754.477955][ T1167] ip6_route_add+0x1c/0x140 [ 8754.477955][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8754.477955][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8754.477955][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8754.477955][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8754.477955][ T1167] netlink_rcv_skb+0x130/0x360 [ 8754.477955][ T1167] netlink_unicast+0x449/0x710 [ 8754.477955][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8754.477955][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8754.477955][ T1167] ___sys_sendmsg+0xee/0x170 [ 8754.477955][ T1167] __sys_sendmsg+0xcd/0x170 [ 8754.477955][ T1167] do_syscall_64+0xc6/0x1e0 [ 8754.477955][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8754.477955][ T1167] [ 8754.480224][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8754.480224][ T1167] netdev_get_by_index+0x5e/0x80 [ 8754.480224][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8754.480224][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8754.480224][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8754.480224][ T1167] ipv6_add_addr+0x411/0x2000 [ 8754.480224][ T1167] inet6_addr_add+0x30e/0xa40 [ 8754.480224][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8754.480224][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8754.480224][ T1167] netlink_rcv_skb+0x130/0x360 [ 8754.480224][ T1167] netlink_unicast+0x449/0x710 [ 8754.480224][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8754.480224][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8754.480224][ T1167] ___sys_sendmsg+0xee/0x170 [ 8754.480224][ T1167] __sys_sendmsg+0xcd/0x170 [ 8754.480224][ T1167] do_syscall_64+0xc6/0x1e0 [ 8754.480224][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8754.480224][ T1167] [ 8754.482510][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8754.482510][ T1167] netdev_get_by_index+0x5e/0x80 [ 8754.482510][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8754.482510][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8754.482510][ T1167] ip6_route_add+0x1c/0x140 [ 8754.482510][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8754.482510][ T1167] addrconf_add_dev+0xe2/0x170 [ 8754.482510][ T1167] inet6_addr_add+0x12f/0xa40 [ 8754.482510][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8754.482510][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8754.482510][ T1167] netlink_rcv_skb+0x130/0x360 [ 8754.482510][ T1167] netlink_unicast+0x449/0x710 [ 8754.482510][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8754.482510][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8754.482510][ T1167] ___sys_sendmsg+0xee/0x170 [ 8754.482510][ T1167] __sys_sendmsg+0xcd/0x170 [ 8754.482510][ T1167] do_syscall_64+0xc6/0x1e0 [ 8754.482510][ T1167] [ 8754.484742][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8754.484742][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8754.484742][ T1167] ipv6_find_idev+0x102/0x170 [ 8754.484742][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8754.484742][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8754.484742][ T1167] netlink_rcv_skb+0x130/0x360 [ 8754.484742][ T1167] netlink_unicast+0x449/0x710 [ 8754.484742][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8754.484742][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8754.484742][ T1167] ___sys_sendmsg+0xee/0x170 [ 8754.484742][ T1167] __sys_sendmsg+0xcd/0x170 [ 8754.484742][ T1167] do_syscall_64+0xc6/0x1e0 [ 8754.484742][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8754.484742][ T1167] [ 8754.486492][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8754.486492][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8754.486492][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8754.486492][ T1167] ipv6_find_idev+0x102/0x170 [ 8754.486492][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8754.486492][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8754.486492][ T1167] netlink_rcv_skb+0x130/0x360 [ 8754.486492][ T1167] netlink_unicast+0x449/0x710 [ 8754.486492][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8754.486492][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8754.486492][ T1167] ___sys_sendmsg+0xee/0x170 [ 8754.486492][ T1167] __sys_sendmsg+0xcd/0x170 [ 8754.486492][ T1167] do_syscall_64+0xc6/0x1e0 [ 8754.486492][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8754.486492][ T1167] [ 8756.081050][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8756.081437][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8756.081437][ T10] netdev_get_by_index+0x5e/0x80 [ 8756.081437][ T10] fib6_nh_init+0x3d8/0x1580 [ 8756.081437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8756.081437][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8756.081437][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8756.081437][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8756.081437][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8756.081437][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8756.081437][ T10] addrconf_dad_begin+0x310/0x670 [ 8756.081437][ T10] addrconf_dad_work+0x10b/0xab0 [ 8756.081437][ T10] process_one_work+0x84d/0x18a0 [ 8756.081437][ T10] worker_thread+0x587/0xd30 [ 8756.081437][ T10] kthread+0x28a/0x350 [ 8756.081437][ T10] ret_from_fork+0x31/0x70 [ 8756.081437][ T10] ret_from_fork_asm+0x1a/0x30 [ 8756.081437][ T10] [ 8756.083365][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8756.083365][ T10] netdev_get_by_index+0x5e/0x80 [ 8756.083365][ T10] fib6_nh_init+0x3d8/0x1580 [ 8756.083365][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8756.083365][ T10] ip6_route_add+0x1c/0x140 [ 8756.083365][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8756.083365][ T10] inet6_addr_add+0x4f8/0xa40 [ 8756.083365][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8756.083365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8756.083365][ T10] netlink_rcv_skb+0x130/0x360 [ 8756.083365][ T10] netlink_unicast+0x449/0x710 [ 8756.083365][ T10] netlink_sendmsg+0x723/0xbe0 [ 8756.083365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8756.083365][ T10] ___sys_sendmsg+0xee/0x170 [ 8756.083365][ T10] __sys_sendmsg+0xcd/0x170 [ 8756.083365][ T10] do_syscall_64+0xc6/0x1e0 [ 8756.083365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8756.083365][ T10] [ 8756.085368][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8756.085368][ T10] netdev_get_by_index+0x5e/0x80 [ 8756.085368][ T10] fib6_nh_init+0x3d8/0x1580 [ 8756.085368][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8756.085368][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8756.085368][ T10] ipv6_add_addr+0x411/0x2000 [ 8756.085368][ T10] inet6_addr_add+0x30e/0xa40 [ 8756.085368][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8756.085368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8756.085368][ T10] netlink_rcv_skb+0x130/0x360 [ 8756.085368][ T10] netlink_unicast+0x449/0x710 [ 8756.085368][ T10] netlink_sendmsg+0x723/0xbe0 [ 8756.085368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8756.085368][ T10] ___sys_sendmsg+0xee/0x170 [ 8756.085368][ T10] __sys_sendmsg+0xcd/0x170 [ 8756.085368][ T10] do_syscall_64+0xc6/0x1e0 [ 8756.085368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8756.085368][ T10] [ 8756.087373][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8756.087373][ T10] netdev_get_by_index+0x5e/0x80 [ 8756.087373][ T10] fib6_nh_init+0x3d8/0x1580 [ 8756.087373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8756.087373][ T10] ip6_route_add+0x1c/0x140 [ 8756.087373][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8756.087373][ T10] addrconf_add_dev+0xe2/0x170 [ 8756.087373][ T10] inet6_addr_add+0x12f/0xa40 [ 8756.087373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8756.087373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8756.087373][ T10] netlink_rcv_skb+0x130/0x360 [ 8756.087373][ T10] netlink_unicast+0x449/0x710 [ 8756.087373][ T10] netlink_sendmsg+0x723/0xbe0 [ 8756.087373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8756.087373][ T10] ___sys_sendmsg+0xee/0x170 [ 8756.087373][ T10] __sys_sendmsg+0xcd/0x170 [ 8756.087373][ T10] do_syscall_64+0xc6/0x1e0 [ 8756.087373][ T10] [ 8756.089330][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8756.089330][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8756.089330][ T10] ipv6_find_idev+0x102/0x170 [ 8756.089330][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8756.089330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8756.089330][ T10] netlink_rcv_skb+0x130/0x360 [ 8756.089330][ T10] netlink_unicast+0x449/0x710 [ 8756.089330][ T10] netlink_sendmsg+0x723/0xbe0 [ 8756.089330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8756.089330][ T10] ___sys_sendmsg+0xee/0x170 [ 8756.089330][ T10] __sys_sendmsg+0xcd/0x170 [ 8756.089330][ T10] do_syscall_64+0xc6/0x1e0 [ 8756.089330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8756.089330][ T10] [ 8756.090859][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8756.090859][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8756.090859][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8756.090859][ T10] ipv6_find_idev+0x102/0x170 [ 8756.090859][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8756.090859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8756.090859][ T10] netlink_rcv_skb+0x130/0x360 [ 8756.090859][ T10] netlink_unicast+0x449/0x710 [ 8756.090859][ T10] netlink_sendmsg+0x723/0xbe0 [ 8756.090859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8756.090859][ T10] ___sys_sendmsg+0xee/0x170 [ 8756.090859][ T10] __sys_sendmsg+0xcd/0x170 [ 8756.090859][ T10] do_syscall_64+0xc6/0x1e0 [ 8756.090859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8756.090859][ T10] [ 8756.092562][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8756.092809][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8756.092809][ T10] netdev_get_by_index+0x5e/0x80 [ 8756.092809][ T10] fib6_nh_init+0x3d8/0x1580 [ 8756.092809][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8756.092809][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8756.092809][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8756.092809][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8756.092809][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8756.092809][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8756.092809][ T10] addrconf_dad_begin+0x310/0x670 [ 8756.092809][ T10] addrconf_dad_work+0x10b/0xab0 [ 8756.092809][ T10] process_one_work+0x84d/0x18a0 [ 8756.092809][ T10] worker_thread+0x587/0xd30 [ 8756.092809][ T10] kthread+0x28a/0x350 [ 8756.092809][ T10] ret_from_fork+0x31/0x70 [ 8756.092809][ T10] ret_from_fork_asm+0x1a/0x30 [ 8756.092809][ T10] [ 8756.094713][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8756.094713][ T10] netdev_get_by_index+0x5e/0x80 [ 8756.094713][ T10] fib6_nh_init+0x3d8/0x1580 [ 8756.094713][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8756.094713][ T10] ip6_route_add+0x1c/0x140 [ 8756.094713][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8756.094713][ T10] inet6_addr_add+0x4f8/0xa40 [ 8756.094713][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8756.094713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8756.094713][ T10] netlink_rcv_skb+0x130/0x360 [ 8756.094713][ T10] netlink_unicast+0x449/0x710 [ 8756.094713][ T10] netlink_sendmsg+0x723/0xbe0 [ 8756.094713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8756.094713][ T10] ___sys_sendmsg+0xee/0x170 [ 8756.094713][ T10] __sys_sendmsg+0xcd/0x170 [ 8756.094713][ T10] do_syscall_64+0xc6/0x1e0 [ 8756.094713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8756.094713][ T10] [ 8756.096710][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8756.096710][ T10] netdev_get_by_index+0x5e/0x80 [ 8756.096710][ T10] fib6_nh_init+0x3d8/0x1580 [ 8756.096710][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8756.096710][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8756.096710][ T10] ipv6_add_addr+0x411/0x2000 [ 8756.096710][ T10] inet6_addr_add+0x30e/0xa40 [ 8756.096710][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8756.096710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8756.096710][ T10] netlink_rcv_skb+0x130/0x360 [ 8756.096710][ T10] netlink_unicast+0x449/0x710 [ 8756.096710][ T10] netlink_sendmsg+0x723/0xbe0 [ 8756.096710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8756.096710][ T10] ___sys_sendmsg+0xee/0x170 [ 8756.096710][ T10] __sys_sendmsg+0xcd/0x170 [ 8756.096710][ T10] do_syscall_64+0xc6/0x1e0 [ 8756.096710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8756.096710][ T10] [ 8756.098710][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8756.098710][ T10] netdev_get_by_index+0x5e/0x80 [ 8756.098710][ T10] fib6_nh_init+0x3d8/0x1580 [ 8756.098710][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8756.098710][ T10] ip6_route_add+0x1c/0x140 [ 8756.098710][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8756.098710][ T10] addrconf_add_dev+0xe2/0x170 [ 8756.098710][ T10] inet6_addr_add+0x12f/0xa40 [ 8756.098710][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8756.098710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8756.098710][ T10] netlink_rcv_skb+0x130/0x360 [ 8756.098710][ T10] netlink_unicast+0x449/0x710 [ 8756.098710][ T10] netlink_sendmsg+0x723/0xbe0 [ 8756.098710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8756.098710][ T10] ___sys_sendmsg+0xee/0x170 [ 8756.098710][ T10] __sys_sendmsg+0xcd/0x170 [ 8756.098710][ T10] do_syscall_64+0xc6/0x1e0 [ 8756.098710][ T10] [ 8756.100673][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8756.100673][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8756.100673][ T10] ipv6_find_idev+0x102/0x170 [ 8756.100673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8756.100673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8756.100673][ T10] netlink_rcv_skb+0x130/0x360 [ 8756.100673][ T10] netlink_unicast+0x449/0x710 [ 8756.100673][ T10] netlink_sendmsg+0x723/0xbe0 [ 8756.100673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8756.100673][ T10] ___sys_sendmsg+0xee/0x170 [ 8756.100673][ T10] __sys_sendmsg+0xcd/0x170 [ 8756.100673][ T10] do_syscall_64+0xc6/0x1e0 [ 8756.100673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8756.100673][ T10] [ 8756.102206][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8756.102206][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8756.102206][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8756.102206][ T10] ipv6_find_idev+0x102/0x170 [ 8756.102206][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8756.102206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8756.102206][ T10] netlink_rcv_skb+0x130/0x360 [ 8756.102206][ T10] netlink_unicast+0x449/0x710 [ 8756.102206][ T10] netlink_sendmsg+0x723/0xbe0 [ 8756.102206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8756.102206][ T10] ___sys_sendmsg+0xee/0x170 [ 8756.102206][ T10] __sys_sendmsg+0xcd/0x170 [ 8756.102206][ T10] do_syscall_64+0xc6/0x1e0 [ 8756.102206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8756.102206][ T10] [ 8756.103883][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8756.104126][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8756.104126][ T10] netdev_get_by_index+0x5e/0x80 [ 8756.104126][ T10] fib6_nh_init+0x3d8/0x1580 [ 8756.104126][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8756.104126][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8756.104126][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8756.104126][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8756.104126][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8756.104126][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8756.104126][ T10] addrconf_dad_begin+0x310/0x670 [ 8756.104126][ T10] addrconf_dad_work+0x10b/0xab0 [ 8756.104126][ T10] process_one_work+0x84d/0x18a0 [ 8756.104126][ T10] worker_thread+0x587/0xd30 [ 8756.104126][ T10] kthread+0x28a/0x350 [ 8756.104126][ T10] ret_from_fork+0x31/0x70 [ 8756.104126][ T10] ret_from_fork_asm+0x1a/0x30 [ 8756.104126][ T10] [ 8756.106033][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8756.106033][ T10] netdev_get_by_index+0x5e/0x80 [ 8756.106033][ T10] fib6_nh_init+0x3d8/0x1580 [ 8756.106033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8756.106033][ T10] ip6_route_add+0x1c/0x140 [ 8756.106033][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8756.106033][ T10] inet6_addr_add+0x4f8/0xa40 [ 8756.106033][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8756.106033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8756.106033][ T10] netlink_rcv_skb+0x130/0x360 [ 8756.106033][ T10] netlink_unicast+0x449/0x710 [ 8756.106033][ T10] netlink_sendmsg+0x723/0xbe0 [ 8756.106033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8756.106033][ T10] ___sys_sendmsg+0xee/0x170 [ 8756.106033][ T10] __sys_sendmsg+0xcd/0x170 [ 8756.106033][ T10] do_syscall_64+0xc6/0x1e0 [ 8756.106033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8756.106033][ T10] [ 8756.108225][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8756.108225][ T10] netdev_get_by_index+0x5e/0x80 [ 8756.108225][ T10] fib6_nh_init+0x3d8/0x1580 [ 8756.108225][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8756.108225][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8756.108225][ T10] ipv6_add_addr+0x411/0x2000 [ 8756.108225][ T10] inet6_addr_add+0x30e/0xa40 [ 8756.108225][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8756.108225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8756.108225][ T10] netlink_rcv_skb+0x130/0x360 [ 8756.108225][ T10] netlink_unicast+0x449/0x710 [ 8756.108225][ T10] netlink_sendmsg+0x723/0xbe0 [ 8756.108225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8756.108225][ T10] ___sys_sendmsg+0xee/0x170 [ 8756.108225][ T10] __sys_sendmsg+0xcd/0x170 [ 8756.108225][ T10] do_syscall_64+0xc6/0x1e0 [ 8756.108225][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8756.108225][ T10] [ 8756.110468][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8756.110468][ T10] netdev_get_by_index+0x5e/0x80 [ 8756.110468][ T10] fib6_nh_init+0x3d8/0x1580 [ 8756.110468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8756.110468][ T10] ip6_route_add+0x1c/0x140 [ 8756.110468][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8756.110468][ T10] addrconf_add_dev+0xe2/0x170 [ 8756.110468][ T10] inet6_addr_add+0x12f/0xa40 [ 8756.110468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8756.110468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8756.110468][ T10] netlink_rcv_skb+0x130/0x360 [ 8756.110468][ T10] netlink_unicast+0x449/0x710 [ 8756.110468][ T10] netlink_sendmsg+0x723/0xbe0 [ 8756.110468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8756.110468][ T10] ___sys_sendmsg+0xee/0x170 [ 8756.110468][ T10] __sys_sendmsg+0xcd/0x170 [ 8756.110468][ T10] do_syscall_64+0xc6/0x1e0 [ 8756.110468][ T10] [ 8756.112607][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8756.112607][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8756.112607][ T10] ipv6_find_idev+0x102/0x170 [ 8756.112607][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8756.112607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8756.112607][ T10] netlink_rcv_skb+0x130/0x360 [ 8756.112607][ T10] netlink_unicast+0x449/0x710 [ 8756.112607][ T10] netlink_sendmsg+0x723/0xbe0 [ 8756.112607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8756.112607][ T10] ___sys_sendmsg+0xee/0x170 [ 8756.112607][ T10] __sys_sendmsg+0xcd/0x170 [ 8756.112607][ T10] do_syscall_64+0xc6/0x1e0 [ 8756.112607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8756.112607][ T10] [ 8756.114327][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8756.114327][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8756.114327][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8756.114327][ T10] ipv6_find_idev+0x102/0x170 [ 8756.114327][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8756.114327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8756.114327][ T10] netlink_rcv_skb+0x130/0x360 [ 8756.114327][ T10] netlink_unicast+0x449/0x710 [ 8756.114327][ T10] netlink_sendmsg+0x723/0xbe0 [ 8756.114327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8756.114327][ T10] ___sys_sendmsg+0xee/0x170 [ 8756.114327][ T10] __sys_sendmsg+0xcd/0x170 [ 8756.114327][ T10] do_syscall_64+0xc6/0x1e0 [ 8756.114327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8756.114327][ T10] [ 8756.116184][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8756.116427][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8756.116427][ T10] netdev_get_by_index+0x5e/0x80 [ 8756.116427][ T10] fib6_nh_init+0x3d8/0x1580 [ 8756.116427][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8756.116427][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8756.116427][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8756.116427][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8756.116427][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8756.116427][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8756.116427][ T10] addrconf_dad_begin+0x310/0x670 [ 8756.116427][ T10] addrconf_dad_work+0x10b/0xab0 [ 8756.116427][ T10] process_one_work+0x84d/0x18a0 [ 8756.116427][ T10] worker_thread+0x587/0xd30 [ 8756.116427][ T10] kthread+0x28a/0x350 [ 8756.116427][ T10] ret_from_fork+0x31/0x70 [ 8756.116427][ T10] ret_from_fork_asm+0x1a/0x30 [ 8756.116427][ T10] [ 8756.118651][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8756.118651][ T10] netdev_get_by_index+0x5e/0x80 [ 8756.118651][ T10] fib6_nh_init+0x3d8/0x1580 [ 8756.118651][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8756.118651][ T10] ip6_route_add+0x1c/0x140 [ 8756.118651][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8756.118651][ T10] inet6_addr_add+0x4f8/0xa40 [ 8756.118651][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8756.118651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8756.118651][ T10] netlink_rcv_skb+0x130/0x360 [ 8756.118651][ T10] netlink_unicast+0x449/0x710 [ 8756.118651][ T10] netlink_sendmsg+0x723/0xbe0 [ 8756.118651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8756.118651][ T10] ___sys_sendmsg+0xee/0x170 [ 8756.118651][ T10] __sys_sendmsg+0xcd/0x170 [ 8756.118651][ T10] do_syscall_64+0xc6/0x1e0 [ 8756.118651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8756.118651][ T10] [ 8756.120844][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8756.120844][ T10] netdev_get_by_index+0x5e/0x80 [ 8756.120844][ T10] fib6_nh_init+0x3d8/0x1580 [ 8756.120844][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8756.120844][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8756.120844][ T10] ipv6_add_addr+0x411/0x2000 [ 8756.120844][ T10] inet6_addr_add+0x30e/0xa40 [ 8756.120844][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8756.120844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8756.120844][ T10] netlink_rcv_skb+0x130/0x360 [ 8756.120844][ T10] netlink_unicast+0x449/0x710 [ 8756.120844][ T10] netlink_sendmsg+0x723/0xbe0 [ 8756.120844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8756.120844][ T10] ___sys_sendmsg+0xee/0x170 [ 8756.120844][ T10] __sys_sendmsg+0xcd/0x170 [ 8756.120844][ T10] do_syscall_64+0xc6/0x1e0 [ 8756.120844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8756.120844][ T10] [ 8756.123081][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8756.123081][ T10] netdev_get_by_index+0x5e/0x80 [ 8756.123081][ T10] fib6_nh_init+0x3d8/0x1580 [ 8756.123081][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8756.123081][ T10] ip6_route_add+0x1c/0x140 [ 8756.123081][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8756.123081][ T10] addrconf_add_dev+0xe2/0x170 [ 8756.123081][ T10] inet6_addr_add+0x12f/0xa40 [ 8756.123081][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8756.123081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8756.123081][ T10] netlink_rcv_skb+0x130/0x360 [ 8756.123081][ T10] netlink_unicast+0x449/0x710 [ 8756.123081][ T10] netlink_sendmsg+0x723/0xbe0 [ 8756.123081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8756.123081][ T10] ___sys_sendmsg+0xee/0x170 [ 8756.123081][ T10] __sys_sendmsg+0xcd/0x170 [ 8756.123081][ T10] do_syscall_64+0xc6/0x1e0 [ 8756.123081][ T10] [ 8756.125275][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8756.125275][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8756.125275][ T10] ipv6_find_idev+0x102/0x170 [ 8756.125275][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8756.125275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8756.125275][ T10] netlink_rcv_skb+0x130/0x360 [ 8756.125275][ T10] netlink_unicast+0x449/0x710 [ 8756.125275][ T10] netlink_sendmsg+0x723/0xbe0 [ 8756.125275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8756.125275][ T10] ___sys_sendmsg+0xee/0x170 [ 8756.125275][ T10] __sys_sendmsg+0xcd/0x170 [ 8756.125275][ T10] do_syscall_64+0xc6/0x1e0 [ 8756.125275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8756.125275][ T10] [ 8756.127537][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8756.127537][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8756.127537][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8756.127537][ T10] ipv6_find_idev+0x102/0x170 [ 8756.127537][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8756.127537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8756.127537][ T10] netlink_rcv_skb+0x130/0x360 [ 8756.127537][ T10] netlink_unicast+0x449/0x710 [ 8756.127537][ T10] netlink_sendmsg+0x723/0xbe0 [ 8756.127537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8756.127537][ T10] ___sys_sendmsg+0xee/0x170 [ 8756.127537][ T10] __sys_sendmsg+0xcd/0x170 [ 8756.127537][ T10] do_syscall_64+0xc6/0x1e0 [ 8756.127537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8756.127537][ T10] [ 8764.737026][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8764.737471][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8764.737471][ T1167] dst_init+0x84/0x4a0 [ 8764.737471][ T1167] dst_alloc+0x97/0x150 [ 8764.737471][ T1167] ip6_dst_alloc+0x23/0x90 [ 8764.737471][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8764.737471][ T1167] ip6_pol_route+0x56f/0x840 [ 8764.737471][ T1167] fib6_rule_lookup+0x334/0x630 [ 8764.737471][ T1167] ip6_route_output_flags+0x259/0x480 [ 8764.737471][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8764.737471][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8764.737471][ T1167] netlink_rcv_skb+0x130/0x360 [ 8764.737471][ T1167] netlink_unicast+0x449/0x710 [ 8764.737471][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8764.737471][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8764.737471][ T1167] ___sys_sendmsg+0xee/0x170 [ 8764.737471][ T1167] __sys_sendmsg+0xcd/0x170 [ 8764.737471][ T1167] do_syscall_64+0xc6/0x1e0 [ 8764.737471][ T1167] [ 8764.739694][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8764.739694][ T1167] netdev_get_by_index+0x5e/0x80 [ 8764.739694][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8764.739694][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8764.739694][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8764.739694][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8764.739694][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8764.739694][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8764.739694][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8764.739694][ T1167] addrconf_dad_begin+0x310/0x670 [ 8764.739694][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8764.739694][ T1167] process_one_work+0x84d/0x18a0 [ 8764.739694][ T1167] worker_thread+0x587/0xd30 [ 8764.739694][ T1167] kthread+0x28a/0x350 [ 8764.739694][ T1167] ret_from_fork+0x31/0x70 [ 8764.739694][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8764.739694][ T1167] [ 8764.741863][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8764.741863][ T1167] netdev_get_by_index+0x5e/0x80 [ 8764.741863][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8764.741863][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8764.741863][ T1167] ip6_route_add+0x1c/0x140 [ 8764.741863][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8764.741863][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8764.741863][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8764.741863][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8764.741863][ T1167] netlink_rcv_skb+0x130/0x360 [ 8764.741863][ T1167] netlink_unicast+0x449/0x710 [ 8764.741863][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8764.741863][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8764.741863][ T1167] ___sys_sendmsg+0xee/0x170 [ 8764.741863][ T1167] __sys_sendmsg+0xcd/0x170 [ 8764.741863][ T1167] do_syscall_64+0xc6/0x1e0 [ 8764.741863][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8764.741863][ T1167] [ 8764.744176][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8764.744176][ T1167] netdev_get_by_index+0x5e/0x80 [ 8764.744176][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8764.744176][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8764.744176][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8764.744176][ T1167] ipv6_add_addr+0x411/0x2000 [ 8764.744176][ T1167] inet6_addr_add+0x30e/0xa40 [ 8764.744176][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8764.744176][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8764.744176][ T1167] netlink_rcv_skb+0x130/0x360 [ 8764.744176][ T1167] netlink_unicast+0x449/0x710 [ 8764.744176][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8764.744176][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8764.744176][ T1167] ___sys_sendmsg+0xee/0x170 [ 8764.744176][ T1167] __sys_sendmsg+0xcd/0x170 [ 8764.744176][ T1167] do_syscall_64+0xc6/0x1e0 [ 8764.744176][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8764.744176][ T1167] [ 8764.746457][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8764.746457][ T1167] netdev_get_by_index+0x5e/0x80 [ 8764.746457][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8764.746457][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8764.746457][ T1167] ip6_route_add+0x1c/0x140 [ 8764.746457][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8764.746457][ T1167] addrconf_add_dev+0xe2/0x170 [ 8764.746457][ T1167] inet6_addr_add+0x12f/0xa40 [ 8764.746457][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8764.746457][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8764.746457][ T1167] netlink_rcv_skb+0x130/0x360 [ 8764.746457][ T1167] netlink_unicast+0x449/0x710 [ 8764.746457][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8764.746457][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8764.746457][ T1167] ___sys_sendmsg+0xee/0x170 [ 8764.746457][ T1167] __sys_sendmsg+0xcd/0x170 [ 8764.746457][ T1167] do_syscall_64+0xc6/0x1e0 [ 8764.746457][ T1167] [ 8764.748713][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8764.748713][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8764.748713][ T1167] ipv6_find_idev+0x102/0x170 [ 8764.748713][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8764.748713][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8764.748713][ T1167] netlink_rcv_skb+0x130/0x360 [ 8764.748713][ T1167] netlink_unicast+0x449/0x710 [ 8764.748713][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8764.748713][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8764.748713][ T1167] ___sys_sendmsg+0xee/0x170 [ 8764.748713][ T1167] __sys_sendmsg+0xcd/0x170 [ 8764.748713][ T1167] do_syscall_64+0xc6/0x1e0 [ 8764.748713][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8764.748713][ T1167] [ 8764.750461][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8764.750461][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8764.750461][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8764.750461][ T1167] ipv6_find_idev+0x102/0x170 [ 8764.750461][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8764.750461][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8764.750461][ T1167] netlink_rcv_skb+0x130/0x360 [ 8764.750461][ T1167] netlink_unicast+0x449/0x710 [ 8764.750461][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8764.750461][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8764.750461][ T1167] ___sys_sendmsg+0xee/0x170 [ 8764.750461][ T1167] __sys_sendmsg+0xcd/0x170 [ 8764.750461][ T1167] do_syscall_64+0xc6/0x1e0 [ 8764.750461][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8764.750461][ T1167] [ 8766.369028][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8766.369411][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8766.369411][ T10] netdev_get_by_index+0x5e/0x80 [ 8766.369411][ T10] fib6_nh_init+0x3d8/0x1580 [ 8766.369411][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8766.369411][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8766.369411][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8766.369411][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8766.369411][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8766.369411][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8766.369411][ T10] addrconf_dad_begin+0x310/0x670 [ 8766.369411][ T10] addrconf_dad_work+0x10b/0xab0 [ 8766.369411][ T10] process_one_work+0x84d/0x18a0 [ 8766.369411][ T10] worker_thread+0x587/0xd30 [ 8766.369411][ T10] kthread+0x28a/0x350 [ 8766.369411][ T10] ret_from_fork+0x31/0x70 [ 8766.369411][ T10] ret_from_fork_asm+0x1a/0x30 [ 8766.369411][ T10] [ 8766.371745][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8766.371745][ T10] netdev_get_by_index+0x5e/0x80 [ 8766.371745][ T10] fib6_nh_init+0x3d8/0x1580 [ 8766.371745][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8766.371745][ T10] ip6_route_add+0x1c/0x140 [ 8766.371745][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8766.371745][ T10] inet6_addr_add+0x4f8/0xa40 [ 8766.371745][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8766.371745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.371745][ T10] netlink_rcv_skb+0x130/0x360 [ 8766.371745][ T10] netlink_unicast+0x449/0x710 [ 8766.371745][ T10] netlink_sendmsg+0x723/0xbe0 [ 8766.371745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8766.371745][ T10] ___sys_sendmsg+0xee/0x170 [ 8766.371745][ T10] __sys_sendmsg+0xcd/0x170 [ 8766.371745][ T10] do_syscall_64+0xc6/0x1e0 [ 8766.371745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8766.371745][ T10] [ 8766.373946][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8766.373946][ T10] netdev_get_by_index+0x5e/0x80 [ 8766.373946][ T10] fib6_nh_init+0x3d8/0x1580 [ 8766.373946][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8766.373946][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8766.373946][ T10] ipv6_add_addr+0x411/0x2000 [ 8766.373946][ T10] inet6_addr_add+0x30e/0xa40 [ 8766.373946][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8766.373946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.373946][ T10] netlink_rcv_skb+0x130/0x360 [ 8766.373946][ T10] netlink_unicast+0x449/0x710 [ 8766.373946][ T10] netlink_sendmsg+0x723/0xbe0 [ 8766.373946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8766.373946][ T10] ___sys_sendmsg+0xee/0x170 [ 8766.373946][ T10] __sys_sendmsg+0xcd/0x170 [ 8766.373946][ T10] do_syscall_64+0xc6/0x1e0 [ 8766.373946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8766.373946][ T10] [ 8766.375930][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8766.375930][ T10] netdev_get_by_index+0x5e/0x80 [ 8766.375930][ T10] fib6_nh_init+0x3d8/0x1580 [ 8766.375930][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8766.375930][ T10] ip6_route_add+0x1c/0x140 [ 8766.375930][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8766.375930][ T10] addrconf_add_dev+0xe2/0x170 [ 8766.375930][ T10] inet6_addr_add+0x12f/0xa40 [ 8766.375930][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8766.375930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.375930][ T10] netlink_rcv_skb+0x130/0x360 [ 8766.375930][ T10] netlink_unicast+0x449/0x710 [ 8766.375930][ T10] netlink_sendmsg+0x723/0xbe0 [ 8766.375930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8766.375930][ T10] ___sys_sendmsg+0xee/0x170 [ 8766.375930][ T10] __sys_sendmsg+0xcd/0x170 [ 8766.375930][ T10] do_syscall_64+0xc6/0x1e0 [ 8766.375930][ T10] [ 8766.377896][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8766.377896][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8766.377896][ T10] ipv6_find_idev+0x102/0x170 [ 8766.377896][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8766.377896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.377896][ T10] netlink_rcv_skb+0x130/0x360 [ 8766.377896][ T10] netlink_unicast+0x449/0x710 [ 8766.377896][ T10] netlink_sendmsg+0x723/0xbe0 [ 8766.377896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8766.377896][ T10] ___sys_sendmsg+0xee/0x170 [ 8766.377896][ T10] __sys_sendmsg+0xcd/0x170 [ 8766.377896][ T10] do_syscall_64+0xc6/0x1e0 [ 8766.377896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8766.377896][ T10] [ 8766.379420][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8766.379420][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8766.379420][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8766.379420][ T10] ipv6_find_idev+0x102/0x170 [ 8766.379420][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8766.379420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.379420][ T10] netlink_rcv_skb+0x130/0x360 [ 8766.379420][ T10] netlink_unicast+0x449/0x710 [ 8766.379420][ T10] netlink_sendmsg+0x723/0xbe0 [ 8766.379420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8766.379420][ T10] ___sys_sendmsg+0xee/0x170 [ 8766.379420][ T10] __sys_sendmsg+0xcd/0x170 [ 8766.379420][ T10] do_syscall_64+0xc6/0x1e0 [ 8766.379420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8766.379420][ T10] [ 8766.381094][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8766.381336][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8766.381336][ T10] netdev_get_by_index+0x5e/0x80 [ 8766.381336][ T10] fib6_nh_init+0x3d8/0x1580 [ 8766.381336][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8766.381336][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8766.381336][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8766.381336][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8766.381336][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8766.381336][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8766.381336][ T10] addrconf_dad_begin+0x310/0x670 [ 8766.381336][ T10] addrconf_dad_work+0x10b/0xab0 [ 8766.381336][ T10] process_one_work+0x84d/0x18a0 [ 8766.381336][ T10] worker_thread+0x587/0xd30 [ 8766.381336][ T10] kthread+0x28a/0x350 [ 8766.381336][ T10] ret_from_fork+0x31/0x70 [ 8766.381336][ T10] ret_from_fork_asm+0x1a/0x30 [ 8766.381336][ T10] [ 8766.383235][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8766.383235][ T10] netdev_get_by_index+0x5e/0x80 [ 8766.383235][ T10] fib6_nh_init+0x3d8/0x1580 [ 8766.383235][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8766.383235][ T10] ip6_route_add+0x1c/0x140 [ 8766.383235][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8766.383235][ T10] inet6_addr_add+0x4f8/0xa40 [ 8766.383235][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8766.383235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.383235][ T10] netlink_rcv_skb+0x130/0x360 [ 8766.383235][ T10] netlink_unicast+0x449/0x710 [ 8766.383235][ T10] netlink_sendmsg+0x723/0xbe0 [ 8766.383235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8766.383235][ T10] ___sys_sendmsg+0xee/0x170 [ 8766.383235][ T10] __sys_sendmsg+0xcd/0x170 [ 8766.383235][ T10] do_syscall_64+0xc6/0x1e0 [ 8766.383235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8766.383235][ T10] [ 8766.385219][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8766.385219][ T10] netdev_get_by_index+0x5e/0x80 [ 8766.385219][ T10] fib6_nh_init+0x3d8/0x1580 [ 8766.385219][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8766.385219][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8766.385219][ T10] ipv6_add_addr+0x411/0x2000 [ 8766.385219][ T10] inet6_addr_add+0x30e/0xa40 [ 8766.385219][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8766.385219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.385219][ T10] netlink_rcv_skb+0x130/0x360 [ 8766.385219][ T10] netlink_unicast+0x449/0x710 [ 8766.385219][ T10] netlink_sendmsg+0x723/0xbe0 [ 8766.385219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8766.385219][ T10] ___sys_sendmsg+0xee/0x170 [ 8766.385219][ T10] __sys_sendmsg+0xcd/0x170 [ 8766.385219][ T10] do_syscall_64+0xc6/0x1e0 [ 8766.385219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8766.385219][ T10] [ 8766.387275][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8766.387275][ T10] netdev_get_by_index+0x5e/0x80 [ 8766.387275][ T10] fib6_nh_init+0x3d8/0x1580 [ 8766.387275][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8766.387275][ T10] ip6_route_add+0x1c/0x140 [ 8766.387275][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8766.387275][ T10] addrconf_add_dev+0xe2/0x170 [ 8766.387275][ T10] inet6_addr_add+0x12f/0xa40 [ 8766.387275][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8766.387275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.387275][ T10] netlink_rcv_skb+0x130/0x360 [ 8766.387275][ T10] netlink_unicast+0x449/0x710 [ 8766.387275][ T10] netlink_sendmsg+0x723/0xbe0 [ 8766.387275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8766.387275][ T10] ___sys_sendmsg+0xee/0x170 [ 8766.387275][ T10] __sys_sendmsg+0xcd/0x170 [ 8766.387275][ T10] do_syscall_64+0xc6/0x1e0 [ 8766.387275][ T10] [ 8766.389670][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8766.389670][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8766.389670][ T10] ipv6_find_idev+0x102/0x170 [ 8766.389670][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8766.389670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.389670][ T10] netlink_rcv_skb+0x130/0x360 [ 8766.389670][ T10] netlink_unicast+0x449/0x710 [ 8766.389670][ T10] netlink_sendmsg+0x723/0xbe0 [ 8766.389670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8766.389670][ T10] ___sys_sendmsg+0xee/0x170 [ 8766.389670][ T10] __sys_sendmsg+0xcd/0x170 [ 8766.389670][ T10] do_syscall_64+0xc6/0x1e0 [ 8766.389670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8766.389670][ T10] [ 8766.391535][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8766.391535][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8766.391535][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8766.391535][ T10] ipv6_find_idev+0x102/0x170 [ 8766.391535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8766.391535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.391535][ T10] netlink_rcv_skb+0x130/0x360 [ 8766.391535][ T10] netlink_unicast+0x449/0x710 [ 8766.391535][ T10] netlink_sendmsg+0x723/0xbe0 [ 8766.391535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8766.391535][ T10] ___sys_sendmsg+0xee/0x170 [ 8766.391535][ T10] __sys_sendmsg+0xcd/0x170 [ 8766.391535][ T10] do_syscall_64+0xc6/0x1e0 [ 8766.391535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8766.391535][ T10] [ 8766.393560][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8766.393837][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8766.393837][ T10] netdev_get_by_index+0x5e/0x80 [ 8766.393837][ T10] fib6_nh_init+0x3d8/0x1580 [ 8766.393837][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8766.393837][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8766.393837][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8766.393837][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8766.393837][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8766.393837][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8766.393837][ T10] addrconf_dad_begin+0x310/0x670 [ 8766.393837][ T10] addrconf_dad_work+0x10b/0xab0 [ 8766.393837][ T10] process_one_work+0x84d/0x18a0 [ 8766.393837][ T10] worker_thread+0x587/0xd30 [ 8766.393837][ T10] kthread+0x28a/0x350 [ 8766.393837][ T10] ret_from_fork+0x31/0x70 [ 8766.393837][ T10] ret_from_fork_asm+0x1a/0x30 [ 8766.393837][ T10] [ 8766.396137][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8766.396137][ T10] netdev_get_by_index+0x5e/0x80 [ 8766.396137][ T10] fib6_nh_init+0x3d8/0x1580 [ 8766.396137][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8766.396137][ T10] ip6_route_add+0x1c/0x140 [ 8766.396137][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8766.396137][ T10] inet6_addr_add+0x4f8/0xa40 [ 8766.396137][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8766.396137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.396137][ T10] netlink_rcv_skb+0x130/0x360 [ 8766.396137][ T10] netlink_unicast+0x449/0x710 [ 8766.396137][ T10] netlink_sendmsg+0x723/0xbe0 [ 8766.396137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8766.396137][ T10] ___sys_sendmsg+0xee/0x170 [ 8766.396137][ T10] __sys_sendmsg+0xcd/0x170 [ 8766.396137][ T10] do_syscall_64+0xc6/0x1e0 [ 8766.396137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8766.396137][ T10] [ 8766.398684][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8766.398684][ T10] netdev_get_by_index+0x5e/0x80 [ 8766.398684][ T10] fib6_nh_init+0x3d8/0x1580 [ 8766.398684][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8766.398684][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8766.398684][ T10] ipv6_add_addr+0x411/0x2000 [ 8766.398684][ T10] inet6_addr_add+0x30e/0xa40 [ 8766.398684][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8766.398684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.398684][ T10] netlink_rcv_skb+0x130/0x360 [ 8766.398684][ T10] netlink_unicast+0x449/0x710 [ 8766.398684][ T10] netlink_sendmsg+0x723/0xbe0 [ 8766.398684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8766.398684][ T10] ___sys_sendmsg+0xee/0x170 [ 8766.398684][ T10] __sys_sendmsg+0xcd/0x170 [ 8766.398684][ T10] do_syscall_64+0xc6/0x1e0 [ 8766.398684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8766.398684][ T10] [ 8766.401212][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8766.401212][ T10] netdev_get_by_index+0x5e/0x80 [ 8766.401212][ T10] fib6_nh_init+0x3d8/0x1580 [ 8766.401212][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8766.401212][ T10] ip6_route_add+0x1c/0x140 [ 8766.401212][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8766.401212][ T10] addrconf_add_dev+0xe2/0x170 [ 8766.401212][ T10] inet6_addr_add+0x12f/0xa40 [ 8766.401212][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8766.401212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.401212][ T10] netlink_rcv_skb+0x130/0x360 [ 8766.401212][ T10] netlink_unicast+0x449/0x710 [ 8766.401212][ T10] netlink_sendmsg+0x723/0xbe0 [ 8766.401212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8766.401212][ T10] ___sys_sendmsg+0xee/0x170 [ 8766.401212][ T10] __sys_sendmsg+0xcd/0x170 [ 8766.401212][ T10] do_syscall_64+0xc6/0x1e0 [ 8766.401212][ T10] [ 8766.403507][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8766.403507][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8766.403507][ T10] ipv6_find_idev+0x102/0x170 [ 8766.403507][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8766.403507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.403507][ T10] netlink_rcv_skb+0x130/0x360 [ 8766.403507][ T10] netlink_unicast+0x449/0x710 [ 8766.403507][ T10] netlink_sendmsg+0x723/0xbe0 [ 8766.403507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8766.403507][ T10] ___sys_sendmsg+0xee/0x170 [ 8766.403507][ T10] __sys_sendmsg+0xcd/0x170 [ 8766.403507][ T10] do_syscall_64+0xc6/0x1e0 [ 8766.403507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8766.403507][ T10] [ 8766.405097][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8766.405097][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8766.405097][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8766.405097][ T10] ipv6_find_idev+0x102/0x170 [ 8766.405097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8766.405097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.405097][ T10] netlink_rcv_skb+0x130/0x360 [ 8766.405097][ T10] netlink_unicast+0x449/0x710 [ 8766.405097][ T10] netlink_sendmsg+0x723/0xbe0 [ 8766.405097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8766.405097][ T10] ___sys_sendmsg+0xee/0x170 [ 8766.405097][ T10] __sys_sendmsg+0xcd/0x170 [ 8766.405097][ T10] do_syscall_64+0xc6/0x1e0 [ 8766.405097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8766.405097][ T10] [ 8766.406896][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8766.407572][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8766.407572][ T10] netdev_get_by_index+0x5e/0x80 [ 8766.407572][ T10] fib6_nh_init+0x3d8/0x1580 [ 8766.407572][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8766.407572][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8766.407572][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8766.407572][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8766.407572][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8766.407572][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8766.407572][ T10] addrconf_dad_begin+0x310/0x670 [ 8766.407572][ T10] addrconf_dad_work+0x10b/0xab0 [ 8766.407572][ T10] process_one_work+0x84d/0x18a0 [ 8766.407572][ T10] worker_thread+0x587/0xd30 [ 8766.407572][ T10] kthread+0x28a/0x350 [ 8766.407572][ T10] ret_from_fork+0x31/0x70 [ 8766.407572][ T10] ret_from_fork_asm+0x1a/0x30 [ 8766.407572][ T10] [ 8766.409475][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8766.409475][ T10] netdev_get_by_index+0x5e/0x80 [ 8766.409475][ T10] fib6_nh_init+0x3d8/0x1580 [ 8766.409475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8766.409475][ T10] ip6_route_add+0x1c/0x140 [ 8766.409475][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8766.409475][ T10] inet6_addr_add+0x4f8/0xa40 [ 8766.409475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8766.409475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.409475][ T10] netlink_rcv_skb+0x130/0x360 [ 8766.409475][ T10] netlink_unicast+0x449/0x710 [ 8766.409475][ T10] netlink_sendmsg+0x723/0xbe0 [ 8766.409475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8766.409475][ T10] ___sys_sendmsg+0xee/0x170 [ 8766.409475][ T10] __sys_sendmsg+0xcd/0x170 [ 8766.409475][ T10] do_syscall_64+0xc6/0x1e0 [ 8766.409475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8766.409475][ T10] [ 8766.411524][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8766.411524][ T10] netdev_get_by_index+0x5e/0x80 [ 8766.411524][ T10] fib6_nh_init+0x3d8/0x1580 [ 8766.411524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8766.411524][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8766.411524][ T10] ipv6_add_addr+0x411/0x2000 [ 8766.411524][ T10] inet6_addr_add+0x30e/0xa40 [ 8766.411524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8766.411524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.411524][ T10] netlink_rcv_skb+0x130/0x360 [ 8766.411524][ T10] netlink_unicast+0x449/0x710 [ 8766.411524][ T10] netlink_sendmsg+0x723/0xbe0 [ 8766.411524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8766.411524][ T10] ___sys_sendmsg+0xee/0x170 [ 8766.411524][ T10] __sys_sendmsg+0xcd/0x170 [ 8766.411524][ T10] do_syscall_64+0xc6/0x1e0 [ 8766.411524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8766.411524][ T10] [ 8766.413701][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8766.413701][ T10] netdev_get_by_index+0x5e/0x80 [ 8766.413701][ T10] fib6_nh_init+0x3d8/0x1580 [ 8766.413701][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8766.413701][ T10] ip6_route_add+0x1c/0x140 [ 8766.413701][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8766.413701][ T10] addrconf_add_dev+0xe2/0x170 [ 8766.413701][ T10] inet6_addr_add+0x12f/0xa40 [ 8766.413701][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8766.413701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.413701][ T10] netlink_rcv_skb+0x130/0x360 [ 8766.413701][ T10] netlink_unicast+0x449/0x710 [ 8766.413701][ T10] netlink_sendmsg+0x723/0xbe0 [ 8766.413701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8766.413701][ T10] ___sys_sendmsg+0xee/0x170 [ 8766.413701][ T10] __sys_sendmsg+0xcd/0x170 [ 8766.413701][ T10] do_syscall_64+0xc6/0x1e0 [ 8766.413701][ T10] [ 8766.415780][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8766.415780][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8766.415780][ T10] ipv6_find_idev+0x102/0x170 [ 8766.415780][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8766.415780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.415780][ T10] netlink_rcv_skb+0x130/0x360 [ 8766.415780][ T10] netlink_unicast+0x449/0x710 [ 8766.415780][ T10] netlink_sendmsg+0x723/0xbe0 [ 8766.415780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8766.415780][ T10] ___sys_sendmsg+0xee/0x170 [ 8766.415780][ T10] __sys_sendmsg+0xcd/0x170 [ 8766.415780][ T10] do_syscall_64+0xc6/0x1e0 [ 8766.415780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8766.415780][ T10] [ 8766.417377][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8766.417377][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8766.417377][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8766.417377][ T10] ipv6_find_idev+0x102/0x170 [ 8766.417377][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8766.417377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.417377][ T10] netlink_rcv_skb+0x130/0x360 [ 8766.417377][ T10] netlink_unicast+0x449/0x710 [ 8766.417377][ T10] netlink_sendmsg+0x723/0xbe0 [ 8766.417377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8766.417377][ T10] ___sys_sendmsg+0xee/0x170 [ 8766.417377][ T10] __sys_sendmsg+0xcd/0x170 [ 8766.417377][ T10] do_syscall_64+0xc6/0x1e0 [ 8766.417377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8766.417377][ T10] [ 8775.001022][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8775.001525][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8775.001525][ T1167] dst_init+0x84/0x4a0 [ 8775.001525][ T1167] dst_alloc+0x97/0x150 [ 8775.001525][ T1167] ip6_dst_alloc+0x23/0x90 [ 8775.001525][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8775.001525][ T1167] ip6_pol_route+0x56f/0x840 [ 8775.001525][ T1167] fib6_rule_lookup+0x334/0x630 [ 8775.001525][ T1167] ip6_route_output_flags+0x259/0x480 [ 8775.001525][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8775.001525][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8775.001525][ T1167] netlink_rcv_skb+0x130/0x360 [ 8775.001525][ T1167] netlink_unicast+0x449/0x710 [ 8775.001525][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8775.001525][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8775.001525][ T1167] ___sys_sendmsg+0xee/0x170 [ 8775.001525][ T1167] __sys_sendmsg+0xcd/0x170 [ 8775.001525][ T1167] do_syscall_64+0xc6/0x1e0 [ 8775.001525][ T1167] [ 8775.003767][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8775.003767][ T1167] netdev_get_by_index+0x5e/0x80 [ 8775.003767][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8775.003767][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8775.003767][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8775.003767][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8775.003767][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8775.003767][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8775.003767][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8775.003767][ T1167] addrconf_dad_begin+0x310/0x670 [ 8775.003767][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8775.003767][ T1167] process_one_work+0x84d/0x18a0 [ 8775.003767][ T1167] worker_thread+0x587/0xd30 [ 8775.003767][ T1167] kthread+0x28a/0x350 [ 8775.003767][ T1167] ret_from_fork+0x31/0x70 [ 8775.003767][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8775.003767][ T1167] [ 8775.005933][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8775.005933][ T1167] netdev_get_by_index+0x5e/0x80 [ 8775.005933][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8775.005933][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8775.005933][ T1167] ip6_route_add+0x1c/0x140 [ 8775.005933][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8775.005933][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8775.005933][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8775.005933][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8775.005933][ T1167] netlink_rcv_skb+0x130/0x360 [ 8775.005933][ T1167] netlink_unicast+0x449/0x710 [ 8775.005933][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8775.005933][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8775.005933][ T1167] ___sys_sendmsg+0xee/0x170 [ 8775.005933][ T1167] __sys_sendmsg+0xcd/0x170 [ 8775.005933][ T1167] do_syscall_64+0xc6/0x1e0 [ 8775.005933][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8775.005933][ T1167] [ 8775.008214][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8775.008214][ T1167] netdev_get_by_index+0x5e/0x80 [ 8775.008214][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8775.008214][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8775.008214][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8775.008214][ T1167] ipv6_add_addr+0x411/0x2000 [ 8775.008214][ T1167] inet6_addr_add+0x30e/0xa40 [ 8775.008214][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8775.008214][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8775.008214][ T1167] netlink_rcv_skb+0x130/0x360 [ 8775.008214][ T1167] netlink_unicast+0x449/0x710 [ 8775.008214][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8775.008214][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8775.008214][ T1167] ___sys_sendmsg+0xee/0x170 [ 8775.008214][ T1167] __sys_sendmsg+0xcd/0x170 [ 8775.008214][ T1167] do_syscall_64+0xc6/0x1e0 [ 8775.008214][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8775.008214][ T1167] [ 8775.010481][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8775.010481][ T1167] netdev_get_by_index+0x5e/0x80 [ 8775.010481][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8775.010481][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8775.010481][ T1167] ip6_route_add+0x1c/0x140 [ 8775.010481][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8775.010481][ T1167] addrconf_add_dev+0xe2/0x170 [ 8775.010481][ T1167] inet6_addr_add+0x12f/0xa40 [ 8775.010481][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8775.010481][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8775.010481][ T1167] netlink_rcv_skb+0x130/0x360 [ 8775.010481][ T1167] netlink_unicast+0x449/0x710 [ 8775.010481][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8775.010481][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8775.010481][ T1167] ___sys_sendmsg+0xee/0x170 [ 8775.010481][ T1167] __sys_sendmsg+0xcd/0x170 [ 8775.010481][ T1167] do_syscall_64+0xc6/0x1e0 [ 8775.010481][ T1167] [ 8775.012713][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8775.012713][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8775.012713][ T1167] ipv6_find_idev+0x102/0x170 [ 8775.012713][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8775.012713][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8775.012713][ T1167] netlink_rcv_skb+0x130/0x360 [ 8775.012713][ T1167] netlink_unicast+0x449/0x710 [ 8775.012713][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8775.012713][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8775.012713][ T1167] ___sys_sendmsg+0xee/0x170 [ 8775.012713][ T1167] __sys_sendmsg+0xcd/0x170 [ 8775.012713][ T1167] do_syscall_64+0xc6/0x1e0 [ 8775.012713][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8775.012713][ T1167] [ 8775.014466][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8775.014466][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8775.014466][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8775.014466][ T1167] ipv6_find_idev+0x102/0x170 [ 8775.014466][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8775.014466][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8775.014466][ T1167] netlink_rcv_skb+0x130/0x360 [ 8775.014466][ T1167] netlink_unicast+0x449/0x710 [ 8775.014466][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8775.014466][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8775.014466][ T1167] ___sys_sendmsg+0xee/0x170 [ 8775.014466][ T1167] __sys_sendmsg+0xcd/0x170 [ 8775.014466][ T1167] do_syscall_64+0xc6/0x1e0 [ 8775.014466][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8775.014466][ T1167] [ 8776.657103][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8776.657491][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8776.657491][ T10] netdev_get_by_index+0x5e/0x80 [ 8776.657491][ T10] fib6_nh_init+0x3d8/0x1580 [ 8776.657491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8776.657491][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8776.657491][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8776.657491][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8776.657491][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8776.657491][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8776.657491][ T10] addrconf_dad_begin+0x310/0x670 [ 8776.657491][ T10] addrconf_dad_work+0x10b/0xab0 [ 8776.657491][ T10] process_one_work+0x84d/0x18a0 [ 8776.657491][ T10] worker_thread+0x587/0xd30 [ 8776.657491][ T10] kthread+0x28a/0x350 [ 8776.657491][ T10] ret_from_fork+0x31/0x70 [ 8776.657491][ T10] ret_from_fork_asm+0x1a/0x30 [ 8776.657491][ T10] [ 8776.659405][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8776.659405][ T10] netdev_get_by_index+0x5e/0x80 [ 8776.659405][ T10] fib6_nh_init+0x3d8/0x1580 [ 8776.659405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8776.659405][ T10] ip6_route_add+0x1c/0x140 [ 8776.659405][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8776.659405][ T10] inet6_addr_add+0x4f8/0xa40 [ 8776.659405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8776.659405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.659405][ T10] netlink_rcv_skb+0x130/0x360 [ 8776.659405][ T10] netlink_unicast+0x449/0x710 [ 8776.659405][ T10] netlink_sendmsg+0x723/0xbe0 [ 8776.659405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8776.659405][ T10] ___sys_sendmsg+0xee/0x170 [ 8776.659405][ T10] __sys_sendmsg+0xcd/0x170 [ 8776.659405][ T10] do_syscall_64+0xc6/0x1e0 [ 8776.659405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8776.659405][ T10] [ 8776.661391][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8776.661391][ T10] netdev_get_by_index+0x5e/0x80 [ 8776.661391][ T10] fib6_nh_init+0x3d8/0x1580 [ 8776.661391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8776.661391][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8776.661391][ T10] ipv6_add_addr+0x411/0x2000 [ 8776.661391][ T10] inet6_addr_add+0x30e/0xa40 [ 8776.661391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8776.661391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.661391][ T10] netlink_rcv_skb+0x130/0x360 [ 8776.661391][ T10] netlink_unicast+0x449/0x710 [ 8776.661391][ T10] netlink_sendmsg+0x723/0xbe0 [ 8776.661391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8776.661391][ T10] ___sys_sendmsg+0xee/0x170 [ 8776.661391][ T10] __sys_sendmsg+0xcd/0x170 [ 8776.661391][ T10] do_syscall_64+0xc6/0x1e0 [ 8776.661391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8776.661391][ T10] [ 8776.663375][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8776.663375][ T10] netdev_get_by_index+0x5e/0x80 [ 8776.663375][ T10] fib6_nh_init+0x3d8/0x1580 [ 8776.663375][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8776.663375][ T10] ip6_route_add+0x1c/0x140 [ 8776.663375][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8776.663375][ T10] addrconf_add_dev+0xe2/0x170 [ 8776.663375][ T10] inet6_addr_add+0x12f/0xa40 [ 8776.663375][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8776.663375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.663375][ T10] netlink_rcv_skb+0x130/0x360 [ 8776.663375][ T10] netlink_unicast+0x449/0x710 [ 8776.663375][ T10] netlink_sendmsg+0x723/0xbe0 [ 8776.663375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8776.663375][ T10] ___sys_sendmsg+0xee/0x170 [ 8776.663375][ T10] __sys_sendmsg+0xcd/0x170 [ 8776.663375][ T10] do_syscall_64+0xc6/0x1e0 [ 8776.663375][ T10] [ 8776.665322][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8776.665322][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8776.665322][ T10] ipv6_find_idev+0x102/0x170 [ 8776.665322][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8776.665322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.665322][ T10] netlink_rcv_skb+0x130/0x360 [ 8776.665322][ T10] netlink_unicast+0x449/0x710 [ 8776.665322][ T10] netlink_sendmsg+0x723/0xbe0 [ 8776.665322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8776.665322][ T10] ___sys_sendmsg+0xee/0x170 [ 8776.665322][ T10] __sys_sendmsg+0xcd/0x170 [ 8776.665322][ T10] do_syscall_64+0xc6/0x1e0 [ 8776.665322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8776.665322][ T10] [ 8776.666847][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8776.666847][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8776.666847][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8776.666847][ T10] ipv6_find_idev+0x102/0x170 [ 8776.666847][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8776.666847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.666847][ T10] netlink_rcv_skb+0x130/0x360 [ 8776.666847][ T10] netlink_unicast+0x449/0x710 [ 8776.666847][ T10] netlink_sendmsg+0x723/0xbe0 [ 8776.666847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8776.666847][ T10] ___sys_sendmsg+0xee/0x170 [ 8776.666847][ T10] __sys_sendmsg+0xcd/0x170 [ 8776.666847][ T10] do_syscall_64+0xc6/0x1e0 [ 8776.666847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8776.666847][ T10] [ 8776.668522][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8776.668761][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8776.668761][ T10] netdev_get_by_index+0x5e/0x80 [ 8776.668761][ T10] fib6_nh_init+0x3d8/0x1580 [ 8776.668761][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8776.668761][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8776.668761][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8776.668761][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8776.668761][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8776.668761][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8776.668761][ T10] addrconf_dad_begin+0x310/0x670 [ 8776.668761][ T10] addrconf_dad_work+0x10b/0xab0 [ 8776.668761][ T10] process_one_work+0x84d/0x18a0 [ 8776.668761][ T10] worker_thread+0x587/0xd30 [ 8776.668761][ T10] kthread+0x28a/0x350 [ 8776.668761][ T10] ret_from_fork+0x31/0x70 [ 8776.668761][ T10] ret_from_fork_asm+0x1a/0x30 [ 8776.668761][ T10] [ 8776.670648][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8776.670648][ T10] netdev_get_by_index+0x5e/0x80 [ 8776.670648][ T10] fib6_nh_init+0x3d8/0x1580 [ 8776.670648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8776.670648][ T10] ip6_route_add+0x1c/0x140 [ 8776.670648][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8776.670648][ T10] inet6_addr_add+0x4f8/0xa40 [ 8776.670648][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8776.670648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.670648][ T10] netlink_rcv_skb+0x130/0x360 [ 8776.670648][ T10] netlink_unicast+0x449/0x710 [ 8776.670648][ T10] netlink_sendmsg+0x723/0xbe0 [ 8776.670648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8776.670648][ T10] ___sys_sendmsg+0xee/0x170 [ 8776.670648][ T10] __sys_sendmsg+0xcd/0x170 [ 8776.670648][ T10] do_syscall_64+0xc6/0x1e0 [ 8776.670648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8776.670648][ T10] [ 8776.672640][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8776.672640][ T10] netdev_get_by_index+0x5e/0x80 [ 8776.672640][ T10] fib6_nh_init+0x3d8/0x1580 [ 8776.672640][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8776.672640][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8776.672640][ T10] ipv6_add_addr+0x411/0x2000 [ 8776.672640][ T10] inet6_addr_add+0x30e/0xa40 [ 8776.672640][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8776.672640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.672640][ T10] netlink_rcv_skb+0x130/0x360 [ 8776.672640][ T10] netlink_unicast+0x449/0x710 [ 8776.672640][ T10] netlink_sendmsg+0x723/0xbe0 [ 8776.672640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8776.672640][ T10] ___sys_sendmsg+0xee/0x170 [ 8776.672640][ T10] __sys_sendmsg+0xcd/0x170 [ 8776.672640][ T10] do_syscall_64+0xc6/0x1e0 [ 8776.672640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8776.672640][ T10] [ 8776.674623][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8776.674623][ T10] netdev_get_by_index+0x5e/0x80 [ 8776.674623][ T10] fib6_nh_init+0x3d8/0x1580 [ 8776.674623][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8776.674623][ T10] ip6_route_add+0x1c/0x140 [ 8776.674623][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8776.674623][ T10] addrconf_add_dev+0xe2/0x170 [ 8776.674623][ T10] inet6_addr_add+0x12f/0xa40 [ 8776.674623][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8776.674623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.674623][ T10] netlink_rcv_skb+0x130/0x360 [ 8776.674623][ T10] netlink_unicast+0x449/0x710 [ 8776.674623][ T10] netlink_sendmsg+0x723/0xbe0 [ 8776.674623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8776.674623][ T10] ___sys_sendmsg+0xee/0x170 [ 8776.674623][ T10] __sys_sendmsg+0xcd/0x170 [ 8776.674623][ T10] do_syscall_64+0xc6/0x1e0 [ 8776.674623][ T10] [ 8776.676592][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8776.676592][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8776.676592][ T10] ipv6_find_idev+0x102/0x170 [ 8776.676592][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8776.676592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.676592][ T10] netlink_rcv_skb+0x130/0x360 [ 8776.676592][ T10] netlink_unicast+0x449/0x710 [ 8776.676592][ T10] netlink_sendmsg+0x723/0xbe0 [ 8776.676592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8776.676592][ T10] ___sys_sendmsg+0xee/0x170 [ 8776.676592][ T10] __sys_sendmsg+0xcd/0x170 [ 8776.676592][ T10] do_syscall_64+0xc6/0x1e0 [ 8776.676592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8776.676592][ T10] [ 8776.678120][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8776.678120][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8776.678120][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8776.678120][ T10] ipv6_find_idev+0x102/0x170 [ 8776.678120][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8776.678120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.678120][ T10] netlink_rcv_skb+0x130/0x360 [ 8776.678120][ T10] netlink_unicast+0x449/0x710 [ 8776.678120][ T10] netlink_sendmsg+0x723/0xbe0 [ 8776.678120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8776.678120][ T10] ___sys_sendmsg+0xee/0x170 [ 8776.678120][ T10] __sys_sendmsg+0xcd/0x170 [ 8776.678120][ T10] do_syscall_64+0xc6/0x1e0 [ 8776.678120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8776.678120][ T10] [ 8776.679787][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8776.680026][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8776.680026][ T10] netdev_get_by_index+0x5e/0x80 [ 8776.680026][ T10] fib6_nh_init+0x3d8/0x1580 [ 8776.680026][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8776.680026][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8776.680026][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8776.680026][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8776.680026][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8776.680026][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8776.680026][ T10] addrconf_dad_begin+0x310/0x670 [ 8776.680026][ T10] addrconf_dad_work+0x10b/0xab0 [ 8776.680026][ T10] process_one_work+0x84d/0x18a0 [ 8776.680026][ T10] worker_thread+0x587/0xd30 [ 8776.680026][ T10] kthread+0x28a/0x350 [ 8776.680026][ T10] ret_from_fork+0x31/0x70 [ 8776.680026][ T10] ret_from_fork_asm+0x1a/0x30 [ 8776.680026][ T10] [ 8776.681936][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8776.681936][ T10] netdev_get_by_index+0x5e/0x80 [ 8776.681936][ T10] fib6_nh_init+0x3d8/0x1580 [ 8776.681936][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8776.681936][ T10] ip6_route_add+0x1c/0x140 [ 8776.681936][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8776.681936][ T10] inet6_addr_add+0x4f8/0xa40 [ 8776.681936][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8776.681936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.681936][ T10] netlink_rcv_skb+0x130/0x360 [ 8776.681936][ T10] netlink_unicast+0x449/0x710 [ 8776.681936][ T10] netlink_sendmsg+0x723/0xbe0 [ 8776.681936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8776.681936][ T10] ___sys_sendmsg+0xee/0x170 [ 8776.681936][ T10] __sys_sendmsg+0xcd/0x170 [ 8776.681936][ T10] do_syscall_64+0xc6/0x1e0 [ 8776.681936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8776.681936][ T10] [ 8776.684092][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8776.684092][ T10] netdev_get_by_index+0x5e/0x80 [ 8776.684092][ T10] fib6_nh_init+0x3d8/0x1580 [ 8776.684092][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8776.684092][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8776.684092][ T10] ipv6_add_addr+0x411/0x2000 [ 8776.684092][ T10] inet6_addr_add+0x30e/0xa40 [ 8776.684092][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8776.684092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.684092][ T10] netlink_rcv_skb+0x130/0x360 [ 8776.684092][ T10] netlink_unicast+0x449/0x710 [ 8776.684092][ T10] netlink_sendmsg+0x723/0xbe0 [ 8776.684092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8776.684092][ T10] ___sys_sendmsg+0xee/0x170 [ 8776.684092][ T10] __sys_sendmsg+0xcd/0x170 [ 8776.684092][ T10] do_syscall_64+0xc6/0x1e0 [ 8776.684092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8776.684092][ T10] [ 8776.686370][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8776.686370][ T10] netdev_get_by_index+0x5e/0x80 [ 8776.686370][ T10] fib6_nh_init+0x3d8/0x1580 [ 8776.686370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8776.686370][ T10] ip6_route_add+0x1c/0x140 [ 8776.686370][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8776.686370][ T10] addrconf_add_dev+0xe2/0x170 [ 8776.686370][ T10] inet6_addr_add+0x12f/0xa40 [ 8776.686370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8776.686370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.686370][ T10] netlink_rcv_skb+0x130/0x360 [ 8776.686370][ T10] netlink_unicast+0x449/0x710 [ 8776.686370][ T10] netlink_sendmsg+0x723/0xbe0 [ 8776.686370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8776.686370][ T10] ___sys_sendmsg+0xee/0x170 [ 8776.686370][ T10] __sys_sendmsg+0xcd/0x170 [ 8776.686370][ T10] do_syscall_64+0xc6/0x1e0 [ 8776.686370][ T10] [ 8776.688506][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8776.688506][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8776.688506][ T10] ipv6_find_idev+0x102/0x170 [ 8776.688506][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8776.688506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.688506][ T10] netlink_rcv_skb+0x130/0x360 [ 8776.688506][ T10] netlink_unicast+0x449/0x710 [ 8776.688506][ T10] netlink_sendmsg+0x723/0xbe0 [ 8776.688506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8776.688506][ T10] ___sys_sendmsg+0xee/0x170 [ 8776.688506][ T10] __sys_sendmsg+0xcd/0x170 [ 8776.688506][ T10] do_syscall_64+0xc6/0x1e0 [ 8776.688506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8776.688506][ T10] [ 8776.690144][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8776.690144][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8776.690144][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8776.690144][ T10] ipv6_find_idev+0x102/0x170 [ 8776.690144][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8776.690144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.690144][ T10] netlink_rcv_skb+0x130/0x360 [ 8776.690144][ T10] netlink_unicast+0x449/0x710 [ 8776.690144][ T10] netlink_sendmsg+0x723/0xbe0 [ 8776.690144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8776.690144][ T10] ___sys_sendmsg+0xee/0x170 [ 8776.690144][ T10] __sys_sendmsg+0xcd/0x170 [ 8776.690144][ T10] do_syscall_64+0xc6/0x1e0 [ 8776.690144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8776.690144][ T10] [ 8776.692039][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8776.692279][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8776.692279][ T10] netdev_get_by_index+0x5e/0x80 [ 8776.692279][ T10] fib6_nh_init+0x3d8/0x1580 [ 8776.692279][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8776.692279][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8776.692279][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8776.692279][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8776.692279][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8776.692279][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8776.692279][ T10] addrconf_dad_begin+0x310/0x670 [ 8776.692279][ T10] addrconf_dad_work+0x10b/0xab0 [ 8776.692279][ T10] process_one_work+0x84d/0x18a0 [ 8776.692279][ T10] worker_thread+0x587/0xd30 [ 8776.692279][ T10] kthread+0x28a/0x350 [ 8776.692279][ T10] ret_from_fork+0x31/0x70 [ 8776.692279][ T10] ret_from_fork_asm+0x1a/0x30 [ 8776.692279][ T10] [ 8776.694415][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8776.694415][ T10] netdev_get_by_index+0x5e/0x80 [ 8776.694415][ T10] fib6_nh_init+0x3d8/0x1580 [ 8776.694415][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8776.694415][ T10] ip6_route_add+0x1c/0x140 [ 8776.694415][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8776.694415][ T10] inet6_addr_add+0x4f8/0xa40 [ 8776.694415][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8776.694415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.694415][ T10] netlink_rcv_skb+0x130/0x360 [ 8776.694415][ T10] netlink_unicast+0x449/0x710 [ 8776.694415][ T10] netlink_sendmsg+0x723/0xbe0 [ 8776.694415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8776.694415][ T10] ___sys_sendmsg+0xee/0x170 [ 8776.694415][ T10] __sys_sendmsg+0xcd/0x170 [ 8776.694415][ T10] do_syscall_64+0xc6/0x1e0 [ 8776.694415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8776.694415][ T10] [ 8776.696570][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8776.696570][ T10] netdev_get_by_index+0x5e/0x80 [ 8776.696570][ T10] fib6_nh_init+0x3d8/0x1580 [ 8776.696570][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8776.696570][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8776.696570][ T10] ipv6_add_addr+0x411/0x2000 [ 8776.696570][ T10] inet6_addr_add+0x30e/0xa40 [ 8776.696570][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8776.696570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.696570][ T10] netlink_rcv_skb+0x130/0x360 [ 8776.696570][ T10] netlink_unicast+0x449/0x710 [ 8776.696570][ T10] netlink_sendmsg+0x723/0xbe0 [ 8776.696570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8776.696570][ T10] ___sys_sendmsg+0xee/0x170 [ 8776.696570][ T10] __sys_sendmsg+0xcd/0x170 [ 8776.696570][ T10] do_syscall_64+0xc6/0x1e0 [ 8776.696570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8776.696570][ T10] [ 8776.698745][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8776.698745][ T10] netdev_get_by_index+0x5e/0x80 [ 8776.698745][ T10] fib6_nh_init+0x3d8/0x1580 [ 8776.698745][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8776.698745][ T10] ip6_route_add+0x1c/0x140 [ 8776.698745][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8776.698745][ T10] addrconf_add_dev+0xe2/0x170 [ 8776.698745][ T10] inet6_addr_add+0x12f/0xa40 [ 8776.698745][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8776.698745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.698745][ T10] netlink_rcv_skb+0x130/0x360 [ 8776.698745][ T10] netlink_unicast+0x449/0x710 [ 8776.698745][ T10] netlink_sendmsg+0x723/0xbe0 [ 8776.698745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8776.698745][ T10] ___sys_sendmsg+0xee/0x170 [ 8776.698745][ T10] __sys_sendmsg+0xcd/0x170 [ 8776.698745][ T10] do_syscall_64+0xc6/0x1e0 [ 8776.698745][ T10] [ 8776.700875][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8776.700875][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8776.700875][ T10] ipv6_find_idev+0x102/0x170 [ 8776.700875][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8776.700875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.700875][ T10] netlink_rcv_skb+0x130/0x360 [ 8776.700875][ T10] netlink_unicast+0x449/0x710 [ 8776.700875][ T10] netlink_sendmsg+0x723/0xbe0 [ 8776.700875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8776.700875][ T10] ___sys_sendmsg+0xee/0x170 [ 8776.700875][ T10] __sys_sendmsg+0xcd/0x170 [ 8776.700875][ T10] do_syscall_64+0xc6/0x1e0 [ 8776.700875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8776.700875][ T10] [ 8776.702579][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8776.702579][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8776.702579][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8776.702579][ T10] ipv6_find_idev+0x102/0x170 [ 8776.702579][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8776.702579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.702579][ T10] netlink_rcv_skb+0x130/0x360 [ 8776.702579][ T10] netlink_unicast+0x449/0x710 [ 8776.702579][ T10] netlink_sendmsg+0x723/0xbe0 [ 8776.702579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8776.702579][ T10] ___sys_sendmsg+0xee/0x170 [ 8776.702579][ T10] __sys_sendmsg+0xcd/0x170 [ 8776.702579][ T10] do_syscall_64+0xc6/0x1e0 [ 8776.702579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8776.702579][ T10] [ 8785.265032][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8785.265530][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8785.265530][ T1167] dst_init+0x84/0x4a0 [ 8785.265530][ T1167] dst_alloc+0x97/0x150 [ 8785.265530][ T1167] ip6_dst_alloc+0x23/0x90 [ 8785.265530][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8785.265530][ T1167] ip6_pol_route+0x56f/0x840 [ 8785.265530][ T1167] fib6_rule_lookup+0x334/0x630 [ 8785.265530][ T1167] ip6_route_output_flags+0x259/0x480 [ 8785.265530][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8785.265530][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8785.265530][ T1167] netlink_rcv_skb+0x130/0x360 [ 8785.265530][ T1167] netlink_unicast+0x449/0x710 [ 8785.265530][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8785.265530][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8785.265530][ T1167] ___sys_sendmsg+0xee/0x170 [ 8785.265530][ T1167] __sys_sendmsg+0xcd/0x170 [ 8785.265530][ T1167] do_syscall_64+0xc6/0x1e0 [ 8785.265530][ T1167] [ 8785.267772][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8785.267772][ T1167] netdev_get_by_index+0x5e/0x80 [ 8785.267772][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8785.267772][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8785.267772][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8785.267772][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8785.267772][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8785.267772][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8785.267772][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8785.267772][ T1167] addrconf_dad_begin+0x310/0x670 [ 8785.267772][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8785.267772][ T1167] process_one_work+0x84d/0x18a0 [ 8785.267772][ T1167] worker_thread+0x587/0xd30 [ 8785.267772][ T1167] kthread+0x28a/0x350 [ 8785.267772][ T1167] ret_from_fork+0x31/0x70 [ 8785.267772][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8785.267772][ T1167] [ 8785.269952][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8785.269952][ T1167] netdev_get_by_index+0x5e/0x80 [ 8785.269952][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8785.269952][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8785.269952][ T1167] ip6_route_add+0x1c/0x140 [ 8785.269952][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8785.269952][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8785.269952][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8785.269952][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8785.269952][ T1167] netlink_rcv_skb+0x130/0x360 [ 8785.269952][ T1167] netlink_unicast+0x449/0x710 [ 8785.269952][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8785.269952][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8785.269952][ T1167] ___sys_sendmsg+0xee/0x170 [ 8785.269952][ T1167] __sys_sendmsg+0xcd/0x170 [ 8785.269952][ T1167] do_syscall_64+0xc6/0x1e0 [ 8785.269952][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8785.269952][ T1167] [ 8785.272225][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8785.272225][ T1167] netdev_get_by_index+0x5e/0x80 [ 8785.272225][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8785.272225][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8785.272225][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8785.272225][ T1167] ipv6_add_addr+0x411/0x2000 [ 8785.272225][ T1167] inet6_addr_add+0x30e/0xa40 [ 8785.272225][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8785.272225][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8785.272225][ T1167] netlink_rcv_skb+0x130/0x360 [ 8785.272225][ T1167] netlink_unicast+0x449/0x710 [ 8785.272225][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8785.272225][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8785.272225][ T1167] ___sys_sendmsg+0xee/0x170 [ 8785.272225][ T1167] __sys_sendmsg+0xcd/0x170 [ 8785.272225][ T1167] do_syscall_64+0xc6/0x1e0 [ 8785.272225][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8785.272225][ T1167] [ 8785.274499][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8785.274499][ T1167] netdev_get_by_index+0x5e/0x80 [ 8785.274499][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8785.274499][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8785.274499][ T1167] ip6_route_add+0x1c/0x140 [ 8785.274499][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8785.274499][ T1167] addrconf_add_dev+0xe2/0x170 [ 8785.274499][ T1167] inet6_addr_add+0x12f/0xa40 [ 8785.274499][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8785.274499][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8785.274499][ T1167] netlink_rcv_skb+0x130/0x360 [ 8785.274499][ T1167] netlink_unicast+0x449/0x710 [ 8785.274499][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8785.274499][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8785.274499][ T1167] ___sys_sendmsg+0xee/0x170 [ 8785.274499][ T1167] __sys_sendmsg+0xcd/0x170 [ 8785.274499][ T1167] do_syscall_64+0xc6/0x1e0 [ 8785.274499][ T1167] [ 8785.276744][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8785.276744][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8785.276744][ T1167] ipv6_find_idev+0x102/0x170 [ 8785.276744][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8785.276744][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8785.276744][ T1167] netlink_rcv_skb+0x130/0x360 [ 8785.276744][ T1167] netlink_unicast+0x449/0x710 [ 8785.276744][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8785.276744][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8785.276744][ T1167] ___sys_sendmsg+0xee/0x170 [ 8785.276744][ T1167] __sys_sendmsg+0xcd/0x170 [ 8785.276744][ T1167] do_syscall_64+0xc6/0x1e0 [ 8785.276744][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8785.276744][ T1167] [ 8785.278514][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8785.278514][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8785.278514][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8785.278514][ T1167] ipv6_find_idev+0x102/0x170 [ 8785.278514][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8785.278514][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8785.278514][ T1167] netlink_rcv_skb+0x130/0x360 [ 8785.278514][ T1167] netlink_unicast+0x449/0x710 [ 8785.278514][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8785.278514][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8785.278514][ T1167] ___sys_sendmsg+0xee/0x170 [ 8785.278514][ T1167] __sys_sendmsg+0xcd/0x170 [ 8785.278514][ T1167] do_syscall_64+0xc6/0x1e0 [ 8785.278514][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8785.278514][ T1167] [ 8786.945035][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8786.945454][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8786.945454][ T10] netdev_get_by_index+0x5e/0x80 [ 8786.945454][ T10] fib6_nh_init+0x3d8/0x1580 [ 8786.945454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8786.945454][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8786.945454][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8786.945454][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8786.945454][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8786.945454][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8786.945454][ T10] addrconf_dad_begin+0x310/0x670 [ 8786.945454][ T10] addrconf_dad_work+0x10b/0xab0 [ 8786.945454][ T10] process_one_work+0x84d/0x18a0 [ 8786.945454][ T10] worker_thread+0x587/0xd30 [ 8786.945454][ T10] kthread+0x28a/0x350 [ 8786.945454][ T10] ret_from_fork+0x31/0x70 [ 8786.945454][ T10] ret_from_fork_asm+0x1a/0x30 [ 8786.945454][ T10] [ 8786.947393][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8786.947393][ T10] netdev_get_by_index+0x5e/0x80 [ 8786.947393][ T10] fib6_nh_init+0x3d8/0x1580 [ 8786.947393][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8786.947393][ T10] ip6_route_add+0x1c/0x140 [ 8786.947393][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8786.947393][ T10] inet6_addr_add+0x4f8/0xa40 [ 8786.947393][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8786.947393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8786.947393][ T10] netlink_rcv_skb+0x130/0x360 [ 8786.947393][ T10] netlink_unicast+0x449/0x710 [ 8786.947393][ T10] netlink_sendmsg+0x723/0xbe0 [ 8786.947393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8786.947393][ T10] ___sys_sendmsg+0xee/0x170 [ 8786.947393][ T10] __sys_sendmsg+0xcd/0x170 [ 8786.947393][ T10] do_syscall_64+0xc6/0x1e0 [ 8786.947393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8786.947393][ T10] [ 8786.949390][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8786.949390][ T10] netdev_get_by_index+0x5e/0x80 [ 8786.949390][ T10] fib6_nh_init+0x3d8/0x1580 [ 8786.949390][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8786.949390][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8786.949390][ T10] ipv6_add_addr+0x411/0x2000 [ 8786.949390][ T10] inet6_addr_add+0x30e/0xa40 [ 8786.949390][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8786.949390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8786.949390][ T10] netlink_rcv_skb+0x130/0x360 [ 8786.949390][ T10] netlink_unicast+0x449/0x710 [ 8786.949390][ T10] netlink_sendmsg+0x723/0xbe0 [ 8786.949390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8786.949390][ T10] ___sys_sendmsg+0xee/0x170 [ 8786.949390][ T10] __sys_sendmsg+0xcd/0x170 [ 8786.949390][ T10] do_syscall_64+0xc6/0x1e0 [ 8786.949390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8786.949390][ T10] [ 8786.951373][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8786.951373][ T10] netdev_get_by_index+0x5e/0x80 [ 8786.951373][ T10] fib6_nh_init+0x3d8/0x1580 [ 8786.951373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8786.951373][ T10] ip6_route_add+0x1c/0x140 [ 8786.951373][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8786.951373][ T10] addrconf_add_dev+0xe2/0x170 [ 8786.951373][ T10] inet6_addr_add+0x12f/0xa40 [ 8786.951373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8786.951373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8786.951373][ T10] netlink_rcv_skb+0x130/0x360 [ 8786.951373][ T10] netlink_unicast+0x449/0x710 [ 8786.951373][ T10] netlink_sendmsg+0x723/0xbe0 [ 8786.951373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8786.951373][ T10] ___sys_sendmsg+0xee/0x170 [ 8786.951373][ T10] __sys_sendmsg+0xcd/0x170 [ 8786.951373][ T10] do_syscall_64+0xc6/0x1e0 [ 8786.951373][ T10] [ 8786.953328][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8786.953328][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8786.953328][ T10] ipv6_find_idev+0x102/0x170 [ 8786.953328][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8786.953328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8786.953328][ T10] netlink_rcv_skb+0x130/0x360 [ 8786.953328][ T10] netlink_unicast+0x449/0x710 [ 8786.953328][ T10] netlink_sendmsg+0x723/0xbe0 [ 8786.953328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8786.953328][ T10] ___sys_sendmsg+0xee/0x170 [ 8786.953328][ T10] __sys_sendmsg+0xcd/0x170 [ 8786.953328][ T10] do_syscall_64+0xc6/0x1e0 [ 8786.953328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8786.953328][ T10] [ 8786.954851][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8786.954851][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8786.954851][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8786.954851][ T10] ipv6_find_idev+0x102/0x170 [ 8786.954851][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8786.954851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8786.954851][ T10] netlink_rcv_skb+0x130/0x360 [ 8786.954851][ T10] netlink_unicast+0x449/0x710 [ 8786.954851][ T10] netlink_sendmsg+0x723/0xbe0 [ 8786.954851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8786.954851][ T10] ___sys_sendmsg+0xee/0x170 [ 8786.954851][ T10] __sys_sendmsg+0xcd/0x170 [ 8786.954851][ T10] do_syscall_64+0xc6/0x1e0 [ 8786.954851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8786.954851][ T10] [ 8786.956525][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8786.956762][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8786.956762][ T10] netdev_get_by_index+0x5e/0x80 [ 8786.956762][ T10] fib6_nh_init+0x3d8/0x1580 [ 8786.956762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8786.956762][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8786.956762][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8786.956762][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8786.956762][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8786.956762][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8786.956762][ T10] addrconf_dad_begin+0x310/0x670 [ 8786.956762][ T10] addrconf_dad_work+0x10b/0xab0 [ 8786.956762][ T10] process_one_work+0x84d/0x18a0 [ 8786.956762][ T10] worker_thread+0x587/0xd30 [ 8786.956762][ T10] kthread+0x28a/0x350 [ 8786.956762][ T10] ret_from_fork+0x31/0x70 [ 8786.956762][ T10] ret_from_fork_asm+0x1a/0x30 [ 8786.956762][ T10] [ 8786.958667][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8786.958667][ T10] netdev_get_by_index+0x5e/0x80 [ 8786.958667][ T10] fib6_nh_init+0x3d8/0x1580 [ 8786.958667][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8786.958667][ T10] ip6_route_add+0x1c/0x140 [ 8786.958667][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8786.958667][ T10] inet6_addr_add+0x4f8/0xa40 [ 8786.958667][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8786.958667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8786.958667][ T10] netlink_rcv_skb+0x130/0x360 [ 8786.958667][ T10] netlink_unicast+0x449/0x710 [ 8786.958667][ T10] netlink_sendmsg+0x723/0xbe0 [ 8786.958667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8786.958667][ T10] ___sys_sendmsg+0xee/0x170 [ 8786.958667][ T10] __sys_sendmsg+0xcd/0x170 [ 8786.958667][ T10] do_syscall_64+0xc6/0x1e0 [ 8786.958667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8786.958667][ T10] [ 8786.960644][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8786.960644][ T10] netdev_get_by_index+0x5e/0x80 [ 8786.960644][ T10] fib6_nh_init+0x3d8/0x1580 [ 8786.960644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8786.960644][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8786.960644][ T10] ipv6_add_addr+0x411/0x2000 [ 8786.960644][ T10] inet6_addr_add+0x30e/0xa40 [ 8786.960644][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8786.960644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8786.960644][ T10] netlink_rcv_skb+0x130/0x360 [ 8786.960644][ T10] netlink_unicast+0x449/0x710 [ 8786.960644][ T10] netlink_sendmsg+0x723/0xbe0 [ 8786.960644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8786.960644][ T10] ___sys_sendmsg+0xee/0x170 [ 8786.960644][ T10] __sys_sendmsg+0xcd/0x170 [ 8786.960644][ T10] do_syscall_64+0xc6/0x1e0 [ 8786.960644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8786.960644][ T10] [ 8786.962629][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8786.962629][ T10] netdev_get_by_index+0x5e/0x80 [ 8786.962629][ T10] fib6_nh_init+0x3d8/0x1580 [ 8786.962629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8786.962629][ T10] ip6_route_add+0x1c/0x140 [ 8786.962629][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8786.962629][ T10] addrconf_add_dev+0xe2/0x170 [ 8786.962629][ T10] inet6_addr_add+0x12f/0xa40 [ 8786.962629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8786.962629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8786.962629][ T10] netlink_rcv_skb+0x130/0x360 [ 8786.962629][ T10] netlink_unicast+0x449/0x710 [ 8786.962629][ T10] netlink_sendmsg+0x723/0xbe0 [ 8786.962629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8786.962629][ T10] ___sys_sendmsg+0xee/0x170 [ 8786.962629][ T10] __sys_sendmsg+0xcd/0x170 [ 8786.962629][ T10] do_syscall_64+0xc6/0x1e0 [ 8786.962629][ T10] [ 8786.964572][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8786.964572][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8786.964572][ T10] ipv6_find_idev+0x102/0x170 [ 8786.964572][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8786.964572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8786.964572][ T10] netlink_rcv_skb+0x130/0x360 [ 8786.964572][ T10] netlink_unicast+0x449/0x710 [ 8786.964572][ T10] netlink_sendmsg+0x723/0xbe0 [ 8786.964572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8786.964572][ T10] ___sys_sendmsg+0xee/0x170 [ 8786.964572][ T10] __sys_sendmsg+0xcd/0x170 [ 8786.964572][ T10] do_syscall_64+0xc6/0x1e0 [ 8786.964572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8786.964572][ T10] [ 8786.966097][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8786.966097][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8786.966097][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8786.966097][ T10] ipv6_find_idev+0x102/0x170 [ 8786.966097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8786.966097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8786.966097][ T10] netlink_rcv_skb+0x130/0x360 [ 8786.966097][ T10] netlink_unicast+0x449/0x710 [ 8786.966097][ T10] netlink_sendmsg+0x723/0xbe0 [ 8786.966097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8786.966097][ T10] ___sys_sendmsg+0xee/0x170 [ 8786.966097][ T10] __sys_sendmsg+0xcd/0x170 [ 8786.966097][ T10] do_syscall_64+0xc6/0x1e0 [ 8786.966097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8786.966097][ T10] [ 8786.967751][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8786.967985][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8786.967985][ T10] netdev_get_by_index+0x5e/0x80 [ 8786.967985][ T10] fib6_nh_init+0x3d8/0x1580 [ 8786.967985][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8786.967985][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8786.967985][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8786.967985][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8786.967985][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8786.967985][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8786.967985][ T10] addrconf_dad_begin+0x310/0x670 [ 8786.967985][ T10] addrconf_dad_work+0x10b/0xab0 [ 8786.967985][ T10] process_one_work+0x84d/0x18a0 [ 8786.967985][ T10] worker_thread+0x587/0xd30 [ 8786.967985][ T10] kthread+0x28a/0x350 [ 8786.967985][ T10] ret_from_fork+0x31/0x70 [ 8786.967985][ T10] ret_from_fork_asm+0x1a/0x30 [ 8786.967985][ T10] [ 8786.969872][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8786.969872][ T10] netdev_get_by_index+0x5e/0x80 [ 8786.969872][ T10] fib6_nh_init+0x3d8/0x1580 [ 8786.969872][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8786.969872][ T10] ip6_route_add+0x1c/0x140 [ 8786.969872][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8786.969872][ T10] inet6_addr_add+0x4f8/0xa40 [ 8786.969872][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8786.969872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8786.969872][ T10] netlink_rcv_skb+0x130/0x360 [ 8786.969872][ T10] netlink_unicast+0x449/0x710 [ 8786.969872][ T10] netlink_sendmsg+0x723/0xbe0 [ 8786.969872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8786.969872][ T10] ___sys_sendmsg+0xee/0x170 [ 8786.969872][ T10] __sys_sendmsg+0xcd/0x170 [ 8786.969872][ T10] do_syscall_64+0xc6/0x1e0 [ 8786.969872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8786.969872][ T10] [ 8786.971981][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8786.971981][ T10] netdev_get_by_index+0x5e/0x80 [ 8786.971981][ T10] fib6_nh_init+0x3d8/0x1580 [ 8786.971981][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8786.971981][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8786.971981][ T10] ipv6_add_addr+0x411/0x2000 [ 8786.971981][ T10] inet6_addr_add+0x30e/0xa40 [ 8786.971981][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8786.971981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8786.971981][ T10] netlink_rcv_skb+0x130/0x360 [ 8786.971981][ T10] netlink_unicast+0x449/0x710 [ 8786.971981][ T10] netlink_sendmsg+0x723/0xbe0 [ 8786.971981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8786.971981][ T10] ___sys_sendmsg+0xee/0x170 [ 8786.971981][ T10] __sys_sendmsg+0xcd/0x170 [ 8786.971981][ T10] do_syscall_64+0xc6/0x1e0 [ 8786.971981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8786.971981][ T10] [ 8786.974084][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8786.974084][ T10] netdev_get_by_index+0x5e/0x80 [ 8786.974084][ T10] fib6_nh_init+0x3d8/0x1580 [ 8786.974084][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8786.974084][ T10] ip6_route_add+0x1c/0x140 [ 8786.974084][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8786.974084][ T10] addrconf_add_dev+0xe2/0x170 [ 8786.974084][ T10] inet6_addr_add+0x12f/0xa40 [ 8786.974084][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8786.974084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8786.974084][ T10] netlink_rcv_skb+0x130/0x360 [ 8786.974084][ T10] netlink_unicast+0x449/0x710 [ 8786.974084][ T10] netlink_sendmsg+0x723/0xbe0 [ 8786.974084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8786.974084][ T10] ___sys_sendmsg+0xee/0x170 [ 8786.974084][ T10] __sys_sendmsg+0xcd/0x170 [ 8786.974084][ T10] do_syscall_64+0xc6/0x1e0 [ 8786.974084][ T10] [ 8786.976155][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8786.976155][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8786.976155][ T10] ipv6_find_idev+0x102/0x170 [ 8786.976155][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8786.976155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8786.976155][ T10] netlink_rcv_skb+0x130/0x360 [ 8786.976155][ T10] netlink_unicast+0x449/0x710 [ 8786.976155][ T10] netlink_sendmsg+0x723/0xbe0 [ 8786.976155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8786.976155][ T10] ___sys_sendmsg+0xee/0x170 [ 8786.976155][ T10] __sys_sendmsg+0xcd/0x170 [ 8786.976155][ T10] do_syscall_64+0xc6/0x1e0 [ 8786.976155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8786.976155][ T10] [ 8786.977751][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8786.977751][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8786.977751][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8786.977751][ T10] ipv6_find_idev+0x102/0x170 [ 8786.977751][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8786.977751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8786.977751][ T10] netlink_rcv_skb+0x130/0x360 [ 8786.977751][ T10] netlink_unicast+0x449/0x710 [ 8786.977751][ T10] netlink_sendmsg+0x723/0xbe0 [ 8786.977751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8786.977751][ T10] ___sys_sendmsg+0xee/0x170 [ 8786.977751][ T10] __sys_sendmsg+0xcd/0x170 [ 8786.977751][ T10] do_syscall_64+0xc6/0x1e0 [ 8786.977751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8786.977751][ T10] [ 8786.979543][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8786.979775][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8786.979775][ T10] netdev_get_by_index+0x5e/0x80 [ 8786.979775][ T10] fib6_nh_init+0x3d8/0x1580 [ 8786.979775][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8786.979775][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8786.979775][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8786.979775][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8786.979775][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8786.979775][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8786.979775][ T10] addrconf_dad_begin+0x310/0x670 [ 8786.979775][ T10] addrconf_dad_work+0x10b/0xab0 [ 8786.979775][ T10] process_one_work+0x84d/0x18a0 [ 8786.979775][ T10] worker_thread+0x587/0xd30 [ 8786.979775][ T10] kthread+0x28a/0x350 [ 8786.979775][ T10] ret_from_fork+0x31/0x70 [ 8786.979775][ T10] ret_from_fork_asm+0x1a/0x30 [ 8786.979775][ T10] [ 8786.981798][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8786.981798][ T10] netdev_get_by_index+0x5e/0x80 [ 8786.981798][ T10] fib6_nh_init+0x3d8/0x1580 [ 8786.981798][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8786.981798][ T10] ip6_route_add+0x1c/0x140 [ 8786.981798][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8786.981798][ T10] inet6_addr_add+0x4f8/0xa40 [ 8786.981798][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8786.981798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8786.981798][ T10] netlink_rcv_skb+0x130/0x360 [ 8786.981798][ T10] netlink_unicast+0x449/0x710 [ 8786.981798][ T10] netlink_sendmsg+0x723/0xbe0 [ 8786.981798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8786.981798][ T10] ___sys_sendmsg+0xee/0x170 [ 8786.981798][ T10] __sys_sendmsg+0xcd/0x170 [ 8786.981798][ T10] do_syscall_64+0xc6/0x1e0 [ 8786.981798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8786.981798][ T10] [ 8786.983906][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8786.983906][ T10] netdev_get_by_index+0x5e/0x80 [ 8786.983906][ T10] fib6_nh_init+0x3d8/0x1580 [ 8786.983906][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8786.983906][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8786.983906][ T10] ipv6_add_addr+0x411/0x2000 [ 8786.983906][ T10] inet6_addr_add+0x30e/0xa40 [ 8786.983906][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8786.983906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8786.983906][ T10] netlink_rcv_skb+0x130/0x360 [ 8786.983906][ T10] netlink_unicast+0x449/0x710 [ 8786.983906][ T10] netlink_sendmsg+0x723/0xbe0 [ 8786.983906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8786.983906][ T10] ___sys_sendmsg+0xee/0x170 [ 8786.983906][ T10] __sys_sendmsg+0xcd/0x170 [ 8786.983906][ T10] do_syscall_64+0xc6/0x1e0 [ 8786.983906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8786.983906][ T10] [ 8786.986013][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8786.986013][ T10] netdev_get_by_index+0x5e/0x80 [ 8786.986013][ T10] fib6_nh_init+0x3d8/0x1580 [ 8786.986013][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8786.986013][ T10] ip6_route_add+0x1c/0x140 [ 8786.986013][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8786.986013][ T10] addrconf_add_dev+0xe2/0x170 [ 8786.986013][ T10] inet6_addr_add+0x12f/0xa40 [ 8786.986013][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8786.986013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8786.986013][ T10] netlink_rcv_skb+0x130/0x360 [ 8786.986013][ T10] netlink_unicast+0x449/0x710 [ 8786.986013][ T10] netlink_sendmsg+0x723/0xbe0 [ 8786.986013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8786.986013][ T10] ___sys_sendmsg+0xee/0x170 [ 8786.986013][ T10] __sys_sendmsg+0xcd/0x170 [ 8786.986013][ T10] do_syscall_64+0xc6/0x1e0 [ 8786.986013][ T10] [ 8786.988110][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8786.988110][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8786.988110][ T10] ipv6_find_idev+0x102/0x170 [ 8786.988110][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8786.988110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8786.988110][ T10] netlink_rcv_skb+0x130/0x360 [ 8786.988110][ T10] netlink_unicast+0x449/0x710 [ 8786.988110][ T10] netlink_sendmsg+0x723/0xbe0 [ 8786.988110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8786.988110][ T10] ___sys_sendmsg+0xee/0x170 [ 8786.988110][ T10] __sys_sendmsg+0xcd/0x170 [ 8786.988110][ T10] do_syscall_64+0xc6/0x1e0 [ 8786.988110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8786.988110][ T10] [ 8786.989706][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8786.989706][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8786.989706][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8786.989706][ T10] ipv6_find_idev+0x102/0x170 [ 8786.989706][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8786.989706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8786.989706][ T10] netlink_rcv_skb+0x130/0x360 [ 8786.989706][ T10] netlink_unicast+0x449/0x710 [ 8786.989706][ T10] netlink_sendmsg+0x723/0xbe0 [ 8786.989706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8786.989706][ T10] ___sys_sendmsg+0xee/0x170 [ 8786.989706][ T10] __sys_sendmsg+0xcd/0x170 [ 8786.989706][ T10] do_syscall_64+0xc6/0x1e0 [ 8786.989706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8786.989706][ T10] [ 8795.529028][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8795.529522][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8795.529522][ T1167] dst_init+0x84/0x4a0 [ 8795.529522][ T1167] dst_alloc+0x97/0x150 [ 8795.529522][ T1167] ip6_dst_alloc+0x23/0x90 [ 8795.529522][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8795.529522][ T1167] ip6_pol_route+0x56f/0x840 [ 8795.529522][ T1167] fib6_rule_lookup+0x334/0x630 [ 8795.529522][ T1167] ip6_route_output_flags+0x259/0x480 [ 8795.529522][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8795.529522][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8795.529522][ T1167] netlink_rcv_skb+0x130/0x360 [ 8795.529522][ T1167] netlink_unicast+0x449/0x710 [ 8795.529522][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8795.529522][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8795.529522][ T1167] ___sys_sendmsg+0xee/0x170 [ 8795.529522][ T1167] __sys_sendmsg+0xcd/0x170 [ 8795.529522][ T1167] do_syscall_64+0xc6/0x1e0 [ 8795.529522][ T1167] [ 8795.531759][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8795.531759][ T1167] netdev_get_by_index+0x5e/0x80 [ 8795.531759][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8795.531759][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8795.531759][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8795.531759][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8795.531759][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8795.531759][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8795.531759][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8795.531759][ T1167] addrconf_dad_begin+0x310/0x670 [ 8795.531759][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8795.531759][ T1167] process_one_work+0x84d/0x18a0 [ 8795.531759][ T1167] worker_thread+0x587/0xd30 [ 8795.531759][ T1167] kthread+0x28a/0x350 [ 8795.531759][ T1167] ret_from_fork+0x31/0x70 [ 8795.531759][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8795.531759][ T1167] [ 8795.533932][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8795.533932][ T1167] netdev_get_by_index+0x5e/0x80 [ 8795.533932][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8795.533932][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8795.533932][ T1167] ip6_route_add+0x1c/0x140 [ 8795.533932][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8795.533932][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8795.533932][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8795.533932][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8795.533932][ T1167] netlink_rcv_skb+0x130/0x360 [ 8795.533932][ T1167] netlink_unicast+0x449/0x710 [ 8795.533932][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8795.533932][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8795.533932][ T1167] ___sys_sendmsg+0xee/0x170 [ 8795.533932][ T1167] __sys_sendmsg+0xcd/0x170 [ 8795.533932][ T1167] do_syscall_64+0xc6/0x1e0 [ 8795.533932][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8795.533932][ T1167] [ 8795.536198][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8795.536198][ T1167] netdev_get_by_index+0x5e/0x80 [ 8795.536198][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8795.536198][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8795.536198][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8795.536198][ T1167] ipv6_add_addr+0x411/0x2000 [ 8795.536198][ T1167] inet6_addr_add+0x30e/0xa40 [ 8795.536198][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8795.536198][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8795.536198][ T1167] netlink_rcv_skb+0x130/0x360 [ 8795.536198][ T1167] netlink_unicast+0x449/0x710 [ 8795.536198][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8795.536198][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8795.536198][ T1167] ___sys_sendmsg+0xee/0x170 [ 8795.536198][ T1167] __sys_sendmsg+0xcd/0x170 [ 8795.536198][ T1167] do_syscall_64+0xc6/0x1e0 [ 8795.536198][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8795.536198][ T1167] [ 8795.538480][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8795.538480][ T1167] netdev_get_by_index+0x5e/0x80 [ 8795.538480][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8795.538480][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8795.538480][ T1167] ip6_route_add+0x1c/0x140 [ 8795.538480][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8795.538480][ T1167] addrconf_add_dev+0xe2/0x170 [ 8795.538480][ T1167] inet6_addr_add+0x12f/0xa40 [ 8795.538480][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8795.538480][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8795.538480][ T1167] netlink_rcv_skb+0x130/0x360 [ 8795.538480][ T1167] netlink_unicast+0x449/0x710 [ 8795.538480][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8795.538480][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8795.538480][ T1167] ___sys_sendmsg+0xee/0x170 [ 8795.538480][ T1167] __sys_sendmsg+0xcd/0x170 [ 8795.538480][ T1167] do_syscall_64+0xc6/0x1e0 [ 8795.538480][ T1167] [ 8795.540710][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8795.540710][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8795.540710][ T1167] ipv6_find_idev+0x102/0x170 [ 8795.540710][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8795.540710][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8795.540710][ T1167] netlink_rcv_skb+0x130/0x360 [ 8795.540710][ T1167] netlink_unicast+0x449/0x710 [ 8795.540710][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8795.540710][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8795.540710][ T1167] ___sys_sendmsg+0xee/0x170 [ 8795.540710][ T1167] __sys_sendmsg+0xcd/0x170 [ 8795.540710][ T1167] do_syscall_64+0xc6/0x1e0 [ 8795.540710][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8795.540710][ T1167] [ 8795.542980][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8795.542980][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8795.542980][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8795.542980][ T1167] ipv6_find_idev+0x102/0x170 [ 8795.542980][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8795.542980][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8795.542980][ T1167] netlink_rcv_skb+0x130/0x360 [ 8795.542980][ T1167] netlink_unicast+0x449/0x710 [ 8795.542980][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8795.542980][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8795.542980][ T1167] ___sys_sendmsg+0xee/0x170 [ 8795.542980][ T1167] __sys_sendmsg+0xcd/0x170 [ 8795.542980][ T1167] do_syscall_64+0xc6/0x1e0 [ 8795.542980][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8795.542980][ T1167] [ 8797.233033][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8797.233446][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8797.233446][ T10] netdev_get_by_index+0x5e/0x80 [ 8797.233446][ T10] fib6_nh_init+0x3d8/0x1580 [ 8797.233446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8797.233446][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8797.233446][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8797.233446][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8797.233446][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8797.233446][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8797.233446][ T10] addrconf_dad_begin+0x310/0x670 [ 8797.233446][ T10] addrconf_dad_work+0x10b/0xab0 [ 8797.233446][ T10] process_one_work+0x84d/0x18a0 [ 8797.233446][ T10] worker_thread+0x587/0xd30 [ 8797.233446][ T10] kthread+0x28a/0x350 [ 8797.233446][ T10] ret_from_fork+0x31/0x70 [ 8797.233446][ T10] ret_from_fork_asm+0x1a/0x30 [ 8797.233446][ T10] [ 8797.235383][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8797.235383][ T10] netdev_get_by_index+0x5e/0x80 [ 8797.235383][ T10] fib6_nh_init+0x3d8/0x1580 [ 8797.235383][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8797.235383][ T10] ip6_route_add+0x1c/0x140 [ 8797.235383][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8797.235383][ T10] inet6_addr_add+0x4f8/0xa40 [ 8797.235383][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8797.235383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8797.235383][ T10] netlink_rcv_skb+0x130/0x360 [ 8797.235383][ T10] netlink_unicast+0x449/0x710 [ 8797.235383][ T10] netlink_sendmsg+0x723/0xbe0 [ 8797.235383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8797.235383][ T10] ___sys_sendmsg+0xee/0x170 [ 8797.235383][ T10] __sys_sendmsg+0xcd/0x170 [ 8797.235383][ T10] do_syscall_64+0xc6/0x1e0 [ 8797.235383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8797.235383][ T10] [ 8797.237395][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8797.237395][ T10] netdev_get_by_index+0x5e/0x80 [ 8797.237395][ T10] fib6_nh_init+0x3d8/0x1580 [ 8797.237395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8797.237395][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8797.237395][ T10] ipv6_add_addr+0x411/0x2000 [ 8797.237395][ T10] inet6_addr_add+0x30e/0xa40 [ 8797.237395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8797.237395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8797.237395][ T10] netlink_rcv_skb+0x130/0x360 [ 8797.237395][ T10] netlink_unicast+0x449/0x710 [ 8797.237395][ T10] netlink_sendmsg+0x723/0xbe0 [ 8797.237395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8797.237395][ T10] ___sys_sendmsg+0xee/0x170 [ 8797.237395][ T10] __sys_sendmsg+0xcd/0x170 [ 8797.237395][ T10] do_syscall_64+0xc6/0x1e0 [ 8797.237395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8797.237395][ T10] [ 8797.239388][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8797.239388][ T10] netdev_get_by_index+0x5e/0x80 [ 8797.239388][ T10] fib6_nh_init+0x3d8/0x1580 [ 8797.239388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8797.239388][ T10] ip6_route_add+0x1c/0x140 [ 8797.239388][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8797.239388][ T10] addrconf_add_dev+0xe2/0x170 [ 8797.239388][ T10] inet6_addr_add+0x12f/0xa40 [ 8797.239388][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8797.239388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8797.239388][ T10] netlink_rcv_skb+0x130/0x360 [ 8797.239388][ T10] netlink_unicast+0x449/0x710 [ 8797.239388][ T10] netlink_sendmsg+0x723/0xbe0 [ 8797.239388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8797.239388][ T10] ___sys_sendmsg+0xee/0x170 [ 8797.239388][ T10] __sys_sendmsg+0xcd/0x170 [ 8797.239388][ T10] do_syscall_64+0xc6/0x1e0 [ 8797.239388][ T10] [ 8797.241339][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8797.241339][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8797.241339][ T10] ipv6_find_idev+0x102/0x170 [ 8797.241339][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8797.241339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8797.241339][ T10] netlink_rcv_skb+0x130/0x360 [ 8797.241339][ T10] netlink_unicast+0x449/0x710 [ 8797.241339][ T10] netlink_sendmsg+0x723/0xbe0 [ 8797.241339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8797.241339][ T10] ___sys_sendmsg+0xee/0x170 [ 8797.241339][ T10] __sys_sendmsg+0xcd/0x170 [ 8797.241339][ T10] do_syscall_64+0xc6/0x1e0 [ 8797.241339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8797.241339][ T10] [ 8797.242880][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8797.242880][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8797.242880][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8797.242880][ T10] ipv6_find_idev+0x102/0x170 [ 8797.242880][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8797.242880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8797.242880][ T10] netlink_rcv_skb+0x130/0x360 [ 8797.242880][ T10] netlink_unicast+0x449/0x710 [ 8797.242880][ T10] netlink_sendmsg+0x723/0xbe0 [ 8797.242880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8797.242880][ T10] ___sys_sendmsg+0xee/0x170 [ 8797.242880][ T10] __sys_sendmsg+0xcd/0x170 [ 8797.242880][ T10] do_syscall_64+0xc6/0x1e0 [ 8797.242880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8797.242880][ T10] [ 8797.244559][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8797.244799][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8797.244799][ T10] netdev_get_by_index+0x5e/0x80 [ 8797.244799][ T10] fib6_nh_init+0x3d8/0x1580 [ 8797.244799][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8797.244799][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8797.244799][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8797.244799][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8797.244799][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8797.244799][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8797.244799][ T10] addrconf_dad_begin+0x310/0x670 [ 8797.244799][ T10] addrconf_dad_work+0x10b/0xab0 [ 8797.244799][ T10] process_one_work+0x84d/0x18a0 [ 8797.244799][ T10] worker_thread+0x587/0xd30 [ 8797.244799][ T10] kthread+0x28a/0x350 [ 8797.244799][ T10] ret_from_fork+0x31/0x70 [ 8797.244799][ T10] ret_from_fork_asm+0x1a/0x30 [ 8797.244799][ T10] [ 8797.246703][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8797.246703][ T10] netdev_get_by_index+0x5e/0x80 [ 8797.246703][ T10] fib6_nh_init+0x3d8/0x1580 [ 8797.246703][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8797.246703][ T10] ip6_route_add+0x1c/0x140 [ 8797.246703][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8797.246703][ T10] inet6_addr_add+0x4f8/0xa40 [ 8797.246703][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8797.246703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8797.246703][ T10] netlink_rcv_skb+0x130/0x360 [ 8797.246703][ T10] netlink_unicast+0x449/0x710 [ 8797.246703][ T10] netlink_sendmsg+0x723/0xbe0 [ 8797.246703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8797.246703][ T10] ___sys_sendmsg+0xee/0x170 [ 8797.246703][ T10] __sys_sendmsg+0xcd/0x170 [ 8797.246703][ T10] do_syscall_64+0xc6/0x1e0 [ 8797.246703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8797.246703][ T10] [ 8797.248702][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8797.248702][ T10] netdev_get_by_index+0x5e/0x80 [ 8797.248702][ T10] fib6_nh_init+0x3d8/0x1580 [ 8797.248702][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8797.248702][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8797.248702][ T10] ipv6_add_addr+0x411/0x2000 [ 8797.248702][ T10] inet6_addr_add+0x30e/0xa40 [ 8797.248702][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8797.248702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8797.248702][ T10] netlink_rcv_skb+0x130/0x360 [ 8797.248702][ T10] netlink_unicast+0x449/0x710 [ 8797.248702][ T10] netlink_sendmsg+0x723/0xbe0 [ 8797.248702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8797.248702][ T10] ___sys_sendmsg+0xee/0x170 [ 8797.248702][ T10] __sys_sendmsg+0xcd/0x170 [ 8797.248702][ T10] do_syscall_64+0xc6/0x1e0 [ 8797.248702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8797.248702][ T10] [ 8797.250701][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8797.250701][ T10] netdev_get_by_index+0x5e/0x80 [ 8797.250701][ T10] fib6_nh_init+0x3d8/0x1580 [ 8797.250701][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8797.250701][ T10] ip6_route_add+0x1c/0x140 [ 8797.250701][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8797.250701][ T10] addrconf_add_dev+0xe2/0x170 [ 8797.250701][ T10] inet6_addr_add+0x12f/0xa40 [ 8797.250701][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8797.250701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8797.250701][ T10] netlink_rcv_skb+0x130/0x360 [ 8797.250701][ T10] netlink_unicast+0x449/0x710 [ 8797.250701][ T10] netlink_sendmsg+0x723/0xbe0 [ 8797.250701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8797.250701][ T10] ___sys_sendmsg+0xee/0x170 [ 8797.250701][ T10] __sys_sendmsg+0xcd/0x170 [ 8797.250701][ T10] do_syscall_64+0xc6/0x1e0 [ 8797.250701][ T10] [ 8797.252658][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8797.252658][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8797.252658][ T10] ipv6_find_idev+0x102/0x170 [ 8797.252658][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8797.252658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8797.252658][ T10] netlink_rcv_skb+0x130/0x360 [ 8797.252658][ T10] netlink_unicast+0x449/0x710 [ 8797.252658][ T10] netlink_sendmsg+0x723/0xbe0 [ 8797.252658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8797.252658][ T10] ___sys_sendmsg+0xee/0x170 [ 8797.252658][ T10] __sys_sendmsg+0xcd/0x170 [ 8797.252658][ T10] do_syscall_64+0xc6/0x1e0 [ 8797.252658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8797.252658][ T10] [ 8797.254200][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8797.254200][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8797.254200][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8797.254200][ T10] ipv6_find_idev+0x102/0x170 [ 8797.254200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8797.254200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8797.254200][ T10] netlink_rcv_skb+0x130/0x360 [ 8797.254200][ T10] netlink_unicast+0x449/0x710 [ 8797.254200][ T10] netlink_sendmsg+0x723/0xbe0 [ 8797.254200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8797.254200][ T10] ___sys_sendmsg+0xee/0x170 [ 8797.254200][ T10] __sys_sendmsg+0xcd/0x170 [ 8797.254200][ T10] do_syscall_64+0xc6/0x1e0 [ 8797.254200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8797.254200][ T10] [ 8797.255873][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8797.256119][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8797.256119][ T10] netdev_get_by_index+0x5e/0x80 [ 8797.256119][ T10] fib6_nh_init+0x3d8/0x1580 [ 8797.256119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8797.256119][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8797.256119][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8797.256119][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8797.256119][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8797.256119][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8797.256119][ T10] addrconf_dad_begin+0x310/0x670 [ 8797.256119][ T10] addrconf_dad_work+0x10b/0xab0 [ 8797.256119][ T10] process_one_work+0x84d/0x18a0 [ 8797.256119][ T10] worker_thread+0x587/0xd30 [ 8797.256119][ T10] kthread+0x28a/0x350 [ 8797.256119][ T10] ret_from_fork+0x31/0x70 [ 8797.256119][ T10] ret_from_fork_asm+0x1a/0x30 [ 8797.256119][ T10] [ 8797.258031][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8797.258031][ T10] netdev_get_by_index+0x5e/0x80 [ 8797.258031][ T10] fib6_nh_init+0x3d8/0x1580 [ 8797.258031][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8797.258031][ T10] ip6_route_add+0x1c/0x140 [ 8797.258031][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8797.258031][ T10] inet6_addr_add+0x4f8/0xa40 [ 8797.258031][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8797.258031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8797.258031][ T10] netlink_rcv_skb+0x130/0x360 [ 8797.258031][ T10] netlink_unicast+0x449/0x710 [ 8797.258031][ T10] netlink_sendmsg+0x723/0xbe0 [ 8797.258031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8797.258031][ T10] ___sys_sendmsg+0xee/0x170 [ 8797.258031][ T10] __sys_sendmsg+0xcd/0x170 [ 8797.258031][ T10] do_syscall_64+0xc6/0x1e0 [ 8797.258031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8797.258031][ T10] [ 8797.260223][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8797.260223][ T10] netdev_get_by_index+0x5e/0x80 [ 8797.260223][ T10] fib6_nh_init+0x3d8/0x1580 [ 8797.260223][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8797.260223][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8797.260223][ T10] ipv6_add_addr+0x411/0x2000 [ 8797.260223][ T10] inet6_addr_add+0x30e/0xa40 [ 8797.260223][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8797.260223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8797.260223][ T10] netlink_rcv_skb+0x130/0x360 [ 8797.260223][ T10] netlink_unicast+0x449/0x710 [ 8797.260223][ T10] netlink_sendmsg+0x723/0xbe0 [ 8797.260223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8797.260223][ T10] ___sys_sendmsg+0xee/0x170 [ 8797.260223][ T10] __sys_sendmsg+0xcd/0x170 [ 8797.260223][ T10] do_syscall_64+0xc6/0x1e0 [ 8797.260223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8797.260223][ T10] [ 8797.262455][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8797.262455][ T10] netdev_get_by_index+0x5e/0x80 [ 8797.262455][ T10] fib6_nh_init+0x3d8/0x1580 [ 8797.262455][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8797.262455][ T10] ip6_route_add+0x1c/0x140 [ 8797.262455][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8797.262455][ T10] addrconf_add_dev+0xe2/0x170 [ 8797.262455][ T10] inet6_addr_add+0x12f/0xa40 [ 8797.262455][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8797.262455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8797.262455][ T10] netlink_rcv_skb+0x130/0x360 [ 8797.262455][ T10] netlink_unicast+0x449/0x710 [ 8797.262455][ T10] netlink_sendmsg+0x723/0xbe0 [ 8797.262455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8797.262455][ T10] ___sys_sendmsg+0xee/0x170 [ 8797.262455][ T10] __sys_sendmsg+0xcd/0x170 [ 8797.262455][ T10] do_syscall_64+0xc6/0x1e0 [ 8797.262455][ T10] [ 8797.264579][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8797.264579][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8797.264579][ T10] ipv6_find_idev+0x102/0x170 [ 8797.264579][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8797.264579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8797.264579][ T10] netlink_rcv_skb+0x130/0x360 [ 8797.264579][ T10] netlink_unicast+0x449/0x710 [ 8797.264579][ T10] netlink_sendmsg+0x723/0xbe0 [ 8797.264579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8797.264579][ T10] ___sys_sendmsg+0xee/0x170 [ 8797.264579][ T10] __sys_sendmsg+0xcd/0x170 [ 8797.264579][ T10] do_syscall_64+0xc6/0x1e0 [ 8797.264579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8797.264579][ T10] [ 8797.266292][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8797.266292][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8797.266292][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8797.266292][ T10] ipv6_find_idev+0x102/0x170 [ 8797.266292][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8797.266292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8797.266292][ T10] netlink_rcv_skb+0x130/0x360 [ 8797.266292][ T10] netlink_unicast+0x449/0x710 [ 8797.266292][ T10] netlink_sendmsg+0x723/0xbe0 [ 8797.266292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8797.266292][ T10] ___sys_sendmsg+0xee/0x170 [ 8797.266292][ T10] __sys_sendmsg+0xcd/0x170 [ 8797.266292][ T10] do_syscall_64+0xc6/0x1e0 [ 8797.266292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8797.266292][ T10] [ 8797.268142][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8797.268385][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8797.268385][ T10] netdev_get_by_index+0x5e/0x80 [ 8797.268385][ T10] fib6_nh_init+0x3d8/0x1580 [ 8797.268385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8797.268385][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8797.268385][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8797.268385][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8797.268385][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8797.268385][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8797.268385][ T10] addrconf_dad_begin+0x310/0x670 [ 8797.268385][ T10] addrconf_dad_work+0x10b/0xab0 [ 8797.268385][ T10] process_one_work+0x84d/0x18a0 [ 8797.268385][ T10] worker_thread+0x587/0xd30 [ 8797.268385][ T10] kthread+0x28a/0x350 [ 8797.268385][ T10] ret_from_fork+0x31/0x70 [ 8797.268385][ T10] ret_from_fork_asm+0x1a/0x30 [ 8797.268385][ T10] [ 8797.270589][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8797.270589][ T10] netdev_get_by_index+0x5e/0x80 [ 8797.270589][ T10] fib6_nh_init+0x3d8/0x1580 [ 8797.270589][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8797.270589][ T10] ip6_route_add+0x1c/0x140 [ 8797.270589][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8797.270589][ T10] inet6_addr_add+0x4f8/0xa40 [ 8797.270589][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8797.270589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8797.270589][ T10] netlink_rcv_skb+0x130/0x360 [ 8797.270589][ T10] netlink_unicast+0x449/0x710 [ 8797.270589][ T10] netlink_sendmsg+0x723/0xbe0 [ 8797.270589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8797.270589][ T10] ___sys_sendmsg+0xee/0x170 [ 8797.270589][ T10] __sys_sendmsg+0xcd/0x170 [ 8797.270589][ T10] do_syscall_64+0xc6/0x1e0 [ 8797.270589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8797.270589][ T10] [ 8797.272759][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8797.272759][ T10] netdev_get_by_index+0x5e/0x80 [ 8797.272759][ T10] fib6_nh_init+0x3d8/0x1580 [ 8797.272759][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8797.272759][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8797.272759][ T10] ipv6_add_addr+0x411/0x2000 [ 8797.272759][ T10] inet6_addr_add+0x30e/0xa40 [ 8797.272759][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8797.272759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8797.272759][ T10] netlink_rcv_skb+0x130/0x360 [ 8797.272759][ T10] netlink_unicast+0x449/0x710 [ 8797.272759][ T10] netlink_sendmsg+0x723/0xbe0 [ 8797.272759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8797.272759][ T10] ___sys_sendmsg+0xee/0x170 [ 8797.272759][ T10] __sys_sendmsg+0xcd/0x170 [ 8797.272759][ T10] do_syscall_64+0xc6/0x1e0 [ 8797.272759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8797.272759][ T10] [ 8797.275499][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8797.275499][ T10] netdev_get_by_index+0x5e/0x80 [ 8797.275499][ T10] fib6_nh_init+0x3d8/0x1580 [ 8797.275499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8797.275499][ T10] ip6_route_add+0x1c/0x140 [ 8797.275499][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8797.275499][ T10] addrconf_add_dev+0xe2/0x170 [ 8797.275499][ T10] inet6_addr_add+0x12f/0xa40 [ 8797.275499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8797.275499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8797.275499][ T10] netlink_rcv_skb+0x130/0x360 [ 8797.275499][ T10] netlink_unicast+0x449/0x710 [ 8797.275499][ T10] netlink_sendmsg+0x723/0xbe0 [ 8797.275499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8797.275499][ T10] ___sys_sendmsg+0xee/0x170 [ 8797.275499][ T10] __sys_sendmsg+0xcd/0x170 [ 8797.275499][ T10] do_syscall_64+0xc6/0x1e0 [ 8797.275499][ T10] [ 8797.277701][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8797.277701][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8797.277701][ T10] ipv6_find_idev+0x102/0x170 [ 8797.277701][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8797.277701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8797.277701][ T10] netlink_rcv_skb+0x130/0x360 [ 8797.277701][ T10] netlink_unicast+0x449/0x710 [ 8797.277701][ T10] netlink_sendmsg+0x723/0xbe0 [ 8797.277701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8797.277701][ T10] ___sys_sendmsg+0xee/0x170 [ 8797.277701][ T10] __sys_sendmsg+0xcd/0x170 [ 8797.277701][ T10] do_syscall_64+0xc6/0x1e0 [ 8797.277701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8797.277701][ T10] [ 8797.279427][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8797.279427][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8797.279427][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8797.279427][ T10] ipv6_find_idev+0x102/0x170 [ 8797.279427][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8797.279427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8797.279427][ T10] netlink_rcv_skb+0x130/0x360 [ 8797.279427][ T10] netlink_unicast+0x449/0x710 [ 8797.279427][ T10] netlink_sendmsg+0x723/0xbe0 [ 8797.279427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8797.279427][ T10] ___sys_sendmsg+0xee/0x170 [ 8797.279427][ T10] __sys_sendmsg+0xcd/0x170 [ 8797.279427][ T10] do_syscall_64+0xc6/0x1e0 [ 8797.279427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8797.279427][ T10] [ 8805.577035][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8805.577511][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8805.577511][ T1167] dst_init+0x84/0x4a0 [ 8805.577511][ T1167] dst_alloc+0x97/0x150 [ 8805.577511][ T1167] ip6_dst_alloc+0x23/0x90 [ 8805.577511][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8805.577511][ T1167] ip6_pol_route+0x56f/0x840 [ 8805.577511][ T1167] fib6_rule_lookup+0x334/0x630 [ 8805.577511][ T1167] ip6_route_output_flags+0x259/0x480 [ 8805.577511][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8805.577511][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8805.577511][ T1167] netlink_rcv_skb+0x130/0x360 [ 8805.577511][ T1167] netlink_unicast+0x449/0x710 [ 8805.577511][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8805.577511][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8805.577511][ T1167] ___sys_sendmsg+0xee/0x170 [ 8805.577511][ T1167] __sys_sendmsg+0xcd/0x170 [ 8805.577511][ T1167] do_syscall_64+0xc6/0x1e0 [ 8805.577511][ T1167] [ 8805.579798][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8805.579798][ T1167] netdev_get_by_index+0x5e/0x80 [ 8805.579798][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8805.579798][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8805.579798][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8805.579798][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8805.579798][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8805.579798][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8805.579798][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8805.579798][ T1167] addrconf_dad_begin+0x310/0x670 [ 8805.579798][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8805.579798][ T1167] process_one_work+0x84d/0x18a0 [ 8805.579798][ T1167] worker_thread+0x587/0xd30 [ 8805.579798][ T1167] kthread+0x28a/0x350 [ 8805.579798][ T1167] ret_from_fork+0x31/0x70 [ 8805.579798][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8805.579798][ T1167] [ 8805.581951][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8805.581951][ T1167] netdev_get_by_index+0x5e/0x80 [ 8805.581951][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8805.581951][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8805.581951][ T1167] ip6_route_add+0x1c/0x140 [ 8805.581951][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8805.581951][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8805.581951][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8805.581951][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8805.581951][ T1167] netlink_rcv_skb+0x130/0x360 [ 8805.581951][ T1167] netlink_unicast+0x449/0x710 [ 8805.581951][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8805.581951][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8805.581951][ T1167] ___sys_sendmsg+0xee/0x170 [ 8805.581951][ T1167] __sys_sendmsg+0xcd/0x170 [ 8805.581951][ T1167] do_syscall_64+0xc6/0x1e0 [ 8805.581951][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8805.581951][ T1167] [ 8805.584208][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8805.584208][ T1167] netdev_get_by_index+0x5e/0x80 [ 8805.584208][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8805.584208][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8805.584208][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8805.584208][ T1167] ipv6_add_addr+0x411/0x2000 [ 8805.584208][ T1167] inet6_addr_add+0x30e/0xa40 [ 8805.584208][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8805.584208][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8805.584208][ T1167] netlink_rcv_skb+0x130/0x360 [ 8805.584208][ T1167] netlink_unicast+0x449/0x710 [ 8805.584208][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8805.584208][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8805.584208][ T1167] ___sys_sendmsg+0xee/0x170 [ 8805.584208][ T1167] __sys_sendmsg+0xcd/0x170 [ 8805.584208][ T1167] do_syscall_64+0xc6/0x1e0 [ 8805.584208][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8805.584208][ T1167] [ 8805.586455][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8805.586455][ T1167] netdev_get_by_index+0x5e/0x80 [ 8805.586455][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8805.586455][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8805.586455][ T1167] ip6_route_add+0x1c/0x140 [ 8805.586455][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8805.586455][ T1167] addrconf_add_dev+0xe2/0x170 [ 8805.586455][ T1167] inet6_addr_add+0x12f/0xa40 [ 8805.586455][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8805.586455][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8805.586455][ T1167] netlink_rcv_skb+0x130/0x360 [ 8805.586455][ T1167] netlink_unicast+0x449/0x710 [ 8805.586455][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8805.586455][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8805.586455][ T1167] ___sys_sendmsg+0xee/0x170 [ 8805.586455][ T1167] __sys_sendmsg+0xcd/0x170 [ 8805.586455][ T1167] do_syscall_64+0xc6/0x1e0 [ 8805.586455][ T1167] [ 8805.588670][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8805.588670][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8805.588670][ T1167] ipv6_find_idev+0x102/0x170 [ 8805.588670][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8805.588670][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8805.588670][ T1167] netlink_rcv_skb+0x130/0x360 [ 8805.588670][ T1167] netlink_unicast+0x449/0x710 [ 8805.588670][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8805.588670][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8805.588670][ T1167] ___sys_sendmsg+0xee/0x170 [ 8805.588670][ T1167] __sys_sendmsg+0xcd/0x170 [ 8805.588670][ T1167] do_syscall_64+0xc6/0x1e0 [ 8805.588670][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8805.588670][ T1167] [ 8805.590400][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8805.590400][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8805.590400][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8805.590400][ T1167] ipv6_find_idev+0x102/0x170 [ 8805.590400][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8805.590400][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8805.590400][ T1167] netlink_rcv_skb+0x130/0x360 [ 8805.590400][ T1167] netlink_unicast+0x449/0x710 [ 8805.590400][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8805.590400][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8805.590400][ T1167] ___sys_sendmsg+0xee/0x170 [ 8805.590400][ T1167] __sys_sendmsg+0xcd/0x170 [ 8805.590400][ T1167] do_syscall_64+0xc6/0x1e0 [ 8805.590400][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8805.590400][ T1167] [ 8807.369123][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8807.369515][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8807.369515][ T10] netdev_get_by_index+0x5e/0x80 [ 8807.369515][ T10] fib6_nh_init+0x3d8/0x1580 [ 8807.369515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8807.369515][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8807.369515][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8807.369515][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8807.369515][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8807.369515][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8807.369515][ T10] addrconf_dad_begin+0x310/0x670 [ 8807.369515][ T10] addrconf_dad_work+0x10b/0xab0 [ 8807.369515][ T10] process_one_work+0x84d/0x18a0 [ 8807.369515][ T10] worker_thread+0x587/0xd30 [ 8807.369515][ T10] kthread+0x28a/0x350 [ 8807.369515][ T10] ret_from_fork+0x31/0x70 [ 8807.369515][ T10] ret_from_fork_asm+0x1a/0x30 [ 8807.369515][ T10] [ 8807.371433][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8807.371433][ T10] netdev_get_by_index+0x5e/0x80 [ 8807.371433][ T10] fib6_nh_init+0x3d8/0x1580 [ 8807.371433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8807.371433][ T10] ip6_route_add+0x1c/0x140 [ 8807.371433][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8807.371433][ T10] inet6_addr_add+0x4f8/0xa40 [ 8807.371433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8807.371433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.371433][ T10] netlink_rcv_skb+0x130/0x360 [ 8807.371433][ T10] netlink_unicast+0x449/0x710 [ 8807.371433][ T10] netlink_sendmsg+0x723/0xbe0 [ 8807.371433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8807.371433][ T10] ___sys_sendmsg+0xee/0x170 [ 8807.371433][ T10] __sys_sendmsg+0xcd/0x170 [ 8807.371433][ T10] do_syscall_64+0xc6/0x1e0 [ 8807.371433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8807.371433][ T10] [ 8807.373423][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8807.373423][ T10] netdev_get_by_index+0x5e/0x80 [ 8807.373423][ T10] fib6_nh_init+0x3d8/0x1580 [ 8807.373423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8807.373423][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8807.373423][ T10] ipv6_add_addr+0x411/0x2000 [ 8807.373423][ T10] inet6_addr_add+0x30e/0xa40 [ 8807.373423][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8807.373423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.373423][ T10] netlink_rcv_skb+0x130/0x360 [ 8807.373423][ T10] netlink_unicast+0x449/0x710 [ 8807.373423][ T10] netlink_sendmsg+0x723/0xbe0 [ 8807.373423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8807.373423][ T10] ___sys_sendmsg+0xee/0x170 [ 8807.373423][ T10] __sys_sendmsg+0xcd/0x170 [ 8807.373423][ T10] do_syscall_64+0xc6/0x1e0 [ 8807.373423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8807.373423][ T10] [ 8807.375402][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8807.375402][ T10] netdev_get_by_index+0x5e/0x80 [ 8807.375402][ T10] fib6_nh_init+0x3d8/0x1580 [ 8807.375402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8807.375402][ T10] ip6_route_add+0x1c/0x140 [ 8807.375402][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8807.375402][ T10] addrconf_add_dev+0xe2/0x170 [ 8807.375402][ T10] inet6_addr_add+0x12f/0xa40 [ 8807.375402][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8807.375402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.375402][ T10] netlink_rcv_skb+0x130/0x360 [ 8807.375402][ T10] netlink_unicast+0x449/0x710 [ 8807.375402][ T10] netlink_sendmsg+0x723/0xbe0 [ 8807.375402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8807.375402][ T10] ___sys_sendmsg+0xee/0x170 [ 8807.375402][ T10] __sys_sendmsg+0xcd/0x170 [ 8807.375402][ T10] do_syscall_64+0xc6/0x1e0 [ 8807.375402][ T10] [ 8807.377366][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8807.377366][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8807.377366][ T10] ipv6_find_idev+0x102/0x170 [ 8807.377366][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8807.377366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.377366][ T10] netlink_rcv_skb+0x130/0x360 [ 8807.377366][ T10] netlink_unicast+0x449/0x710 [ 8807.377366][ T10] netlink_sendmsg+0x723/0xbe0 [ 8807.377366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8807.377366][ T10] ___sys_sendmsg+0xee/0x170 [ 8807.377366][ T10] __sys_sendmsg+0xcd/0x170 [ 8807.377366][ T10] do_syscall_64+0xc6/0x1e0 [ 8807.377366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8807.377366][ T10] [ 8807.378898][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8807.378898][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8807.378898][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8807.378898][ T10] ipv6_find_idev+0x102/0x170 [ 8807.378898][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8807.378898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.378898][ T10] netlink_rcv_skb+0x130/0x360 [ 8807.378898][ T10] netlink_unicast+0x449/0x710 [ 8807.378898][ T10] netlink_sendmsg+0x723/0xbe0 [ 8807.378898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8807.378898][ T10] ___sys_sendmsg+0xee/0x170 [ 8807.378898][ T10] __sys_sendmsg+0xcd/0x170 [ 8807.378898][ T10] do_syscall_64+0xc6/0x1e0 [ 8807.378898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8807.378898][ T10] [ 8807.380567][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8807.380802][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8807.380802][ T10] netdev_get_by_index+0x5e/0x80 [ 8807.380802][ T10] fib6_nh_init+0x3d8/0x1580 [ 8807.380802][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8807.380802][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8807.380802][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8807.380802][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8807.380802][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8807.380802][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8807.380802][ T10] addrconf_dad_begin+0x310/0x670 [ 8807.380802][ T10] addrconf_dad_work+0x10b/0xab0 [ 8807.380802][ T10] process_one_work+0x84d/0x18a0 [ 8807.380802][ T10] worker_thread+0x587/0xd30 [ 8807.380802][ T10] kthread+0x28a/0x350 [ 8807.380802][ T10] ret_from_fork+0x31/0x70 [ 8807.380802][ T10] ret_from_fork_asm+0x1a/0x30 [ 8807.380802][ T10] [ 8807.382698][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8807.382698][ T10] netdev_get_by_index+0x5e/0x80 [ 8807.382698][ T10] fib6_nh_init+0x3d8/0x1580 [ 8807.382698][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8807.382698][ T10] ip6_route_add+0x1c/0x140 [ 8807.382698][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8807.382698][ T10] inet6_addr_add+0x4f8/0xa40 [ 8807.382698][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8807.382698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.382698][ T10] netlink_rcv_skb+0x130/0x360 [ 8807.382698][ T10] netlink_unicast+0x449/0x710 [ 8807.382698][ T10] netlink_sendmsg+0x723/0xbe0 [ 8807.382698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8807.382698][ T10] ___sys_sendmsg+0xee/0x170 [ 8807.382698][ T10] __sys_sendmsg+0xcd/0x170 [ 8807.382698][ T10] do_syscall_64+0xc6/0x1e0 [ 8807.382698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8807.382698][ T10] [ 8807.384675][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8807.384675][ T10] netdev_get_by_index+0x5e/0x80 [ 8807.384675][ T10] fib6_nh_init+0x3d8/0x1580 [ 8807.384675][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8807.384675][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8807.384675][ T10] ipv6_add_addr+0x411/0x2000 [ 8807.384675][ T10] inet6_addr_add+0x30e/0xa40 [ 8807.384675][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8807.384675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.384675][ T10] netlink_rcv_skb+0x130/0x360 [ 8807.384675][ T10] netlink_unicast+0x449/0x710 [ 8807.384675][ T10] netlink_sendmsg+0x723/0xbe0 [ 8807.384675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8807.384675][ T10] ___sys_sendmsg+0xee/0x170 [ 8807.384675][ T10] __sys_sendmsg+0xcd/0x170 [ 8807.384675][ T10] do_syscall_64+0xc6/0x1e0 [ 8807.384675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8807.384675][ T10] [ 8807.386665][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8807.386665][ T10] netdev_get_by_index+0x5e/0x80 [ 8807.386665][ T10] fib6_nh_init+0x3d8/0x1580 [ 8807.386665][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8807.386665][ T10] ip6_route_add+0x1c/0x140 [ 8807.386665][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8807.386665][ T10] addrconf_add_dev+0xe2/0x170 [ 8807.386665][ T10] inet6_addr_add+0x12f/0xa40 [ 8807.386665][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8807.386665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.386665][ T10] netlink_rcv_skb+0x130/0x360 [ 8807.386665][ T10] netlink_unicast+0x449/0x710 [ 8807.386665][ T10] netlink_sendmsg+0x723/0xbe0 [ 8807.386665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8807.386665][ T10] ___sys_sendmsg+0xee/0x170 [ 8807.386665][ T10] __sys_sendmsg+0xcd/0x170 [ 8807.386665][ T10] do_syscall_64+0xc6/0x1e0 [ 8807.386665][ T10] [ 8807.388616][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8807.388616][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8807.388616][ T10] ipv6_find_idev+0x102/0x170 [ 8807.388616][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8807.388616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.388616][ T10] netlink_rcv_skb+0x130/0x360 [ 8807.388616][ T10] netlink_unicast+0x449/0x710 [ 8807.388616][ T10] netlink_sendmsg+0x723/0xbe0 [ 8807.388616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8807.388616][ T10] ___sys_sendmsg+0xee/0x170 [ 8807.388616][ T10] __sys_sendmsg+0xcd/0x170 [ 8807.388616][ T10] do_syscall_64+0xc6/0x1e0 [ 8807.388616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8807.388616][ T10] [ 8807.390246][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8807.390246][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8807.390246][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8807.390246][ T10] ipv6_find_idev+0x102/0x170 [ 8807.390246][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8807.390246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.390246][ T10] netlink_rcv_skb+0x130/0x360 [ 8807.390246][ T10] netlink_unicast+0x449/0x710 [ 8807.390246][ T10] netlink_sendmsg+0x723/0xbe0 [ 8807.390246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8807.390246][ T10] ___sys_sendmsg+0xee/0x170 [ 8807.390246][ T10] __sys_sendmsg+0xcd/0x170 [ 8807.390246][ T10] do_syscall_64+0xc6/0x1e0 [ 8807.390246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8807.390246][ T10] [ 8807.391897][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8807.392138][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8807.392138][ T10] netdev_get_by_index+0x5e/0x80 [ 8807.392138][ T10] fib6_nh_init+0x3d8/0x1580 [ 8807.392138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8807.392138][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8807.392138][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8807.392138][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8807.392138][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8807.392138][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8807.392138][ T10] addrconf_dad_begin+0x310/0x670 [ 8807.392138][ T10] addrconf_dad_work+0x10b/0xab0 [ 8807.392138][ T10] process_one_work+0x84d/0x18a0 [ 8807.392138][ T10] worker_thread+0x587/0xd30 [ 8807.392138][ T10] kthread+0x28a/0x350 [ 8807.392138][ T10] ret_from_fork+0x31/0x70 [ 8807.392138][ T10] ret_from_fork_asm+0x1a/0x30 [ 8807.392138][ T10] [ 8807.394023][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8807.394023][ T10] netdev_get_by_index+0x5e/0x80 [ 8807.394023][ T10] fib6_nh_init+0x3d8/0x1580 [ 8807.394023][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8807.394023][ T10] ip6_route_add+0x1c/0x140 [ 8807.394023][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8807.394023][ T10] inet6_addr_add+0x4f8/0xa40 [ 8807.394023][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8807.394023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.394023][ T10] netlink_rcv_skb+0x130/0x360 [ 8807.394023][ T10] netlink_unicast+0x449/0x710 [ 8807.394023][ T10] netlink_sendmsg+0x723/0xbe0 [ 8807.394023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8807.394023][ T10] ___sys_sendmsg+0xee/0x170 [ 8807.394023][ T10] __sys_sendmsg+0xcd/0x170 [ 8807.394023][ T10] do_syscall_64+0xc6/0x1e0 [ 8807.394023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8807.394023][ T10] [ 8807.396173][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8807.396173][ T10] netdev_get_by_index+0x5e/0x80 [ 8807.396173][ T10] fib6_nh_init+0x3d8/0x1580 [ 8807.396173][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8807.396173][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8807.396173][ T10] ipv6_add_addr+0x411/0x2000 [ 8807.396173][ T10] inet6_addr_add+0x30e/0xa40 [ 8807.396173][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8807.396173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.396173][ T10] netlink_rcv_skb+0x130/0x360 [ 8807.396173][ T10] netlink_unicast+0x449/0x710 [ 8807.396173][ T10] netlink_sendmsg+0x723/0xbe0 [ 8807.396173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8807.396173][ T10] ___sys_sendmsg+0xee/0x170 [ 8807.396173][ T10] __sys_sendmsg+0xcd/0x170 [ 8807.396173][ T10] do_syscall_64+0xc6/0x1e0 [ 8807.396173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8807.396173][ T10] [ 8807.398456][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8807.398456][ T10] netdev_get_by_index+0x5e/0x80 [ 8807.398456][ T10] fib6_nh_init+0x3d8/0x1580 [ 8807.398456][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8807.398456][ T10] ip6_route_add+0x1c/0x140 [ 8807.398456][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8807.398456][ T10] addrconf_add_dev+0xe2/0x170 [ 8807.398456][ T10] inet6_addr_add+0x12f/0xa40 [ 8807.398456][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8807.398456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.398456][ T10] netlink_rcv_skb+0x130/0x360 [ 8807.398456][ T10] netlink_unicast+0x449/0x710 [ 8807.398456][ T10] netlink_sendmsg+0x723/0xbe0 [ 8807.398456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8807.398456][ T10] ___sys_sendmsg+0xee/0x170 [ 8807.398456][ T10] __sys_sendmsg+0xcd/0x170 [ 8807.398456][ T10] do_syscall_64+0xc6/0x1e0 [ 8807.398456][ T10] [ 8807.400636][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8807.400636][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8807.400636][ T10] ipv6_find_idev+0x102/0x170 [ 8807.400636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8807.400636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.400636][ T10] netlink_rcv_skb+0x130/0x360 [ 8807.400636][ T10] netlink_unicast+0x449/0x710 [ 8807.400636][ T10] netlink_sendmsg+0x723/0xbe0 [ 8807.400636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8807.400636][ T10] ___sys_sendmsg+0xee/0x170 [ 8807.400636][ T10] __sys_sendmsg+0xcd/0x170 [ 8807.400636][ T10] do_syscall_64+0xc6/0x1e0 [ 8807.400636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8807.400636][ T10] [ 8807.402336][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8807.402336][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8807.402336][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8807.402336][ T10] ipv6_find_idev+0x102/0x170 [ 8807.402336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8807.402336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.402336][ T10] netlink_rcv_skb+0x130/0x360 [ 8807.402336][ T10] netlink_unicast+0x449/0x710 [ 8807.402336][ T10] netlink_sendmsg+0x723/0xbe0 [ 8807.402336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8807.402336][ T10] ___sys_sendmsg+0xee/0x170 [ 8807.402336][ T10] __sys_sendmsg+0xcd/0x170 [ 8807.402336][ T10] do_syscall_64+0xc6/0x1e0 [ 8807.402336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8807.402336][ T10] [ 8807.404167][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8807.404400][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8807.404400][ T10] netdev_get_by_index+0x5e/0x80 [ 8807.404400][ T10] fib6_nh_init+0x3d8/0x1580 [ 8807.404400][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8807.404400][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8807.404400][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8807.404400][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8807.404400][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8807.404400][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8807.404400][ T10] addrconf_dad_begin+0x310/0x670 [ 8807.404400][ T10] addrconf_dad_work+0x10b/0xab0 [ 8807.404400][ T10] process_one_work+0x84d/0x18a0 [ 8807.404400][ T10] worker_thread+0x587/0xd30 [ 8807.404400][ T10] kthread+0x28a/0x350 [ 8807.404400][ T10] ret_from_fork+0x31/0x70 [ 8807.404400][ T10] ret_from_fork_asm+0x1a/0x30 [ 8807.404400][ T10] [ 8807.406586][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8807.406586][ T10] netdev_get_by_index+0x5e/0x80 [ 8807.406586][ T10] fib6_nh_init+0x3d8/0x1580 [ 8807.406586][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8807.406586][ T10] ip6_route_add+0x1c/0x140 [ 8807.406586][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8807.406586][ T10] inet6_addr_add+0x4f8/0xa40 [ 8807.406586][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8807.406586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.406586][ T10] netlink_rcv_skb+0x130/0x360 [ 8807.406586][ T10] netlink_unicast+0x449/0x710 [ 8807.406586][ T10] netlink_sendmsg+0x723/0xbe0 [ 8807.406586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8807.406586][ T10] ___sys_sendmsg+0xee/0x170 [ 8807.406586][ T10] __sys_sendmsg+0xcd/0x170 [ 8807.406586][ T10] do_syscall_64+0xc6/0x1e0 [ 8807.406586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8807.406586][ T10] [ 8807.408756][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8807.408756][ T10] netdev_get_by_index+0x5e/0x80 [ 8807.408756][ T10] fib6_nh_init+0x3d8/0x1580 [ 8807.408756][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8807.408756][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8807.408756][ T10] ipv6_add_addr+0x411/0x2000 [ 8807.408756][ T10] inet6_addr_add+0x30e/0xa40 [ 8807.408756][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8807.408756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.408756][ T10] netlink_rcv_skb+0x130/0x360 [ 8807.408756][ T10] netlink_unicast+0x449/0x710 [ 8807.408756][ T10] netlink_sendmsg+0x723/0xbe0 [ 8807.408756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8807.408756][ T10] ___sys_sendmsg+0xee/0x170 [ 8807.408756][ T10] __sys_sendmsg+0xcd/0x170 [ 8807.408756][ T10] do_syscall_64+0xc6/0x1e0 [ 8807.408756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8807.408756][ T10] [ 8807.410991][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8807.410991][ T10] netdev_get_by_index+0x5e/0x80 [ 8807.410991][ T10] fib6_nh_init+0x3d8/0x1580 [ 8807.410991][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8807.410991][ T10] ip6_route_add+0x1c/0x140 [ 8807.410991][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8807.410991][ T10] addrconf_add_dev+0xe2/0x170 [ 8807.410991][ T10] inet6_addr_add+0x12f/0xa40 [ 8807.410991][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8807.410991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.410991][ T10] netlink_rcv_skb+0x130/0x360 [ 8807.410991][ T10] netlink_unicast+0x449/0x710 [ 8807.410991][ T10] netlink_sendmsg+0x723/0xbe0 [ 8807.410991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8807.410991][ T10] ___sys_sendmsg+0xee/0x170 [ 8807.410991][ T10] __sys_sendmsg+0xcd/0x170 [ 8807.410991][ T10] do_syscall_64+0xc6/0x1e0 [ 8807.410991][ T10] [ 8807.413052][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8807.413052][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8807.413052][ T10] ipv6_find_idev+0x102/0x170 [ 8807.413052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8807.413052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.413052][ T10] netlink_rcv_skb+0x130/0x360 [ 8807.413052][ T10] netlink_unicast+0x449/0x710 [ 8807.413052][ T10] netlink_sendmsg+0x723/0xbe0 [ 8807.413052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8807.413052][ T10] ___sys_sendmsg+0xee/0x170 [ 8807.413052][ T10] __sys_sendmsg+0xcd/0x170 [ 8807.413052][ T10] do_syscall_64+0xc6/0x1e0 [ 8807.413052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8807.413052][ T10] [ 8807.414756][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8807.414756][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8807.414756][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8807.414756][ T10] ipv6_find_idev+0x102/0x170 [ 8807.414756][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8807.414756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.414756][ T10] netlink_rcv_skb+0x130/0x360 [ 8807.414756][ T10] netlink_unicast+0x449/0x710 [ 8807.414756][ T10] netlink_sendmsg+0x723/0xbe0 [ 8807.414756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8807.414756][ T10] ___sys_sendmsg+0xee/0x170 [ 8807.414756][ T10] __sys_sendmsg+0xcd/0x170 [ 8807.414756][ T10] do_syscall_64+0xc6/0x1e0 [ 8807.414756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8807.414756][ T10] [ 8815.833048][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8815.833541][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8815.833541][ T1167] dst_init+0x84/0x4a0 [ 8815.833541][ T1167] dst_alloc+0x97/0x150 [ 8815.833541][ T1167] ip6_dst_alloc+0x23/0x90 [ 8815.833541][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8815.833541][ T1167] ip6_pol_route+0x56f/0x840 [ 8815.833541][ T1167] fib6_rule_lookup+0x334/0x630 [ 8815.833541][ T1167] ip6_route_output_flags+0x259/0x480 [ 8815.833541][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8815.833541][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8815.833541][ T1167] netlink_rcv_skb+0x130/0x360 [ 8815.833541][ T1167] netlink_unicast+0x449/0x710 [ 8815.833541][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8815.833541][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8815.833541][ T1167] ___sys_sendmsg+0xee/0x170 [ 8815.833541][ T1167] __sys_sendmsg+0xcd/0x170 [ 8815.833541][ T1167] do_syscall_64+0xc6/0x1e0 [ 8815.833541][ T1167] [ 8815.835757][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8815.835757][ T1167] netdev_get_by_index+0x5e/0x80 [ 8815.835757][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8815.835757][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8815.835757][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8815.835757][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8815.835757][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8815.835757][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8815.835757][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8815.835757][ T1167] addrconf_dad_begin+0x310/0x670 [ 8815.835757][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8815.835757][ T1167] process_one_work+0x84d/0x18a0 [ 8815.835757][ T1167] worker_thread+0x587/0xd30 [ 8815.835757][ T1167] kthread+0x28a/0x350 [ 8815.835757][ T1167] ret_from_fork+0x31/0x70 [ 8815.835757][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8815.835757][ T1167] [ 8815.837909][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8815.837909][ T1167] netdev_get_by_index+0x5e/0x80 [ 8815.837909][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8815.837909][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8815.837909][ T1167] ip6_route_add+0x1c/0x140 [ 8815.837909][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8815.837909][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8815.837909][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8815.837909][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8815.837909][ T1167] netlink_rcv_skb+0x130/0x360 [ 8815.837909][ T1167] netlink_unicast+0x449/0x710 [ 8815.837909][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8815.837909][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8815.837909][ T1167] ___sys_sendmsg+0xee/0x170 [ 8815.837909][ T1167] __sys_sendmsg+0xcd/0x170 [ 8815.837909][ T1167] do_syscall_64+0xc6/0x1e0 [ 8815.837909][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8815.837909][ T1167] [ 8815.840155][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8815.840155][ T1167] netdev_get_by_index+0x5e/0x80 [ 8815.840155][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8815.840155][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8815.840155][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8815.840155][ T1167] ipv6_add_addr+0x411/0x2000 [ 8815.840155][ T1167] inet6_addr_add+0x30e/0xa40 [ 8815.840155][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8815.840155][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8815.840155][ T1167] netlink_rcv_skb+0x130/0x360 [ 8815.840155][ T1167] netlink_unicast+0x449/0x710 [ 8815.840155][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8815.840155][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8815.840155][ T1167] ___sys_sendmsg+0xee/0x170 [ 8815.840155][ T1167] __sys_sendmsg+0xcd/0x170 [ 8815.840155][ T1167] do_syscall_64+0xc6/0x1e0 [ 8815.840155][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8815.840155][ T1167] [ 8815.842416][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8815.842416][ T1167] netdev_get_by_index+0x5e/0x80 [ 8815.842416][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8815.842416][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8815.842416][ T1167] ip6_route_add+0x1c/0x140 [ 8815.842416][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8815.842416][ T1167] addrconf_add_dev+0xe2/0x170 [ 8815.842416][ T1167] inet6_addr_add+0x12f/0xa40 [ 8815.842416][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8815.842416][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8815.842416][ T1167] netlink_rcv_skb+0x130/0x360 [ 8815.842416][ T1167] netlink_unicast+0x449/0x710 [ 8815.842416][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8815.842416][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8815.842416][ T1167] ___sys_sendmsg+0xee/0x170 [ 8815.842416][ T1167] __sys_sendmsg+0xcd/0x170 [ 8815.842416][ T1167] do_syscall_64+0xc6/0x1e0 [ 8815.842416][ T1167] [ 8815.844646][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8815.844646][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8815.844646][ T1167] ipv6_find_idev+0x102/0x170 [ 8815.844646][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8815.844646][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8815.844646][ T1167] netlink_rcv_skb+0x130/0x360 [ 8815.844646][ T1167] netlink_unicast+0x449/0x710 [ 8815.844646][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8815.844646][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8815.844646][ T1167] ___sys_sendmsg+0xee/0x170 [ 8815.844646][ T1167] __sys_sendmsg+0xcd/0x170 [ 8815.844646][ T1167] do_syscall_64+0xc6/0x1e0 [ 8815.844646][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8815.844646][ T1167] [ 8815.846376][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8815.846376][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8815.846376][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8815.846376][ T1167] ipv6_find_idev+0x102/0x170 [ 8815.846376][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8815.846376][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8815.846376][ T1167] netlink_rcv_skb+0x130/0x360 [ 8815.846376][ T1167] netlink_unicast+0x449/0x710 [ 8815.846376][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8815.846376][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8815.846376][ T1167] ___sys_sendmsg+0xee/0x170 [ 8815.846376][ T1167] __sys_sendmsg+0xcd/0x170 [ 8815.846376][ T1167] do_syscall_64+0xc6/0x1e0 [ 8815.846376][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8815.846376][ T1167] [ 8817.657104][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8817.657524][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8817.657524][ T10] netdev_get_by_index+0x5e/0x80 [ 8817.657524][ T10] fib6_nh_init+0x3d8/0x1580 [ 8817.657524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8817.657524][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8817.657524][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8817.657524][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8817.657524][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8817.657524][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8817.657524][ T10] addrconf_dad_begin+0x310/0x670 [ 8817.657524][ T10] addrconf_dad_work+0x10b/0xab0 [ 8817.657524][ T10] process_one_work+0x84d/0x18a0 [ 8817.657524][ T10] worker_thread+0x587/0xd30 [ 8817.657524][ T10] kthread+0x28a/0x350 [ 8817.657524][ T10] ret_from_fork+0x31/0x70 [ 8817.657524][ T10] ret_from_fork_asm+0x1a/0x30 [ 8817.657524][ T10] [ 8817.659973][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8817.659973][ T10] netdev_get_by_index+0x5e/0x80 [ 8817.659973][ T10] fib6_nh_init+0x3d8/0x1580 [ 8817.659973][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8817.659973][ T10] ip6_route_add+0x1c/0x140 [ 8817.659973][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8817.659973][ T10] inet6_addr_add+0x4f8/0xa40 [ 8817.659973][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8817.659973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.659973][ T10] netlink_rcv_skb+0x130/0x360 [ 8817.659973][ T10] netlink_unicast+0x449/0x710 [ 8817.659973][ T10] netlink_sendmsg+0x723/0xbe0 [ 8817.659973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8817.659973][ T10] ___sys_sendmsg+0xee/0x170 [ 8817.659973][ T10] __sys_sendmsg+0xcd/0x170 [ 8817.659973][ T10] do_syscall_64+0xc6/0x1e0 [ 8817.659973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8817.659973][ T10] [ 8817.661976][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8817.661976][ T10] netdev_get_by_index+0x5e/0x80 [ 8817.661976][ T10] fib6_nh_init+0x3d8/0x1580 [ 8817.661976][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8817.661976][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8817.661976][ T10] ipv6_add_addr+0x411/0x2000 [ 8817.661976][ T10] inet6_addr_add+0x30e/0xa40 [ 8817.661976][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8817.661976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.661976][ T10] netlink_rcv_skb+0x130/0x360 [ 8817.661976][ T10] netlink_unicast+0x449/0x710 [ 8817.661976][ T10] netlink_sendmsg+0x723/0xbe0 [ 8817.661976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8817.661976][ T10] ___sys_sendmsg+0xee/0x170 [ 8817.661976][ T10] __sys_sendmsg+0xcd/0x170 [ 8817.661976][ T10] do_syscall_64+0xc6/0x1e0 [ 8817.661976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8817.661976][ T10] [ 8817.663964][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8817.663964][ T10] netdev_get_by_index+0x5e/0x80 [ 8817.663964][ T10] fib6_nh_init+0x3d8/0x1580 [ 8817.663964][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8817.663964][ T10] ip6_route_add+0x1c/0x140 [ 8817.663964][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8817.663964][ T10] addrconf_add_dev+0xe2/0x170 [ 8817.663964][ T10] inet6_addr_add+0x12f/0xa40 [ 8817.663964][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8817.663964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.663964][ T10] netlink_rcv_skb+0x130/0x360 [ 8817.663964][ T10] netlink_unicast+0x449/0x710 [ 8817.663964][ T10] netlink_sendmsg+0x723/0xbe0 [ 8817.663964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8817.663964][ T10] ___sys_sendmsg+0xee/0x170 [ 8817.663964][ T10] __sys_sendmsg+0xcd/0x170 [ 8817.663964][ T10] do_syscall_64+0xc6/0x1e0 [ 8817.663964][ T10] [ 8817.665916][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8817.665916][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8817.665916][ T10] ipv6_find_idev+0x102/0x170 [ 8817.665916][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8817.665916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.665916][ T10] netlink_rcv_skb+0x130/0x360 [ 8817.665916][ T10] netlink_unicast+0x449/0x710 [ 8817.665916][ T10] netlink_sendmsg+0x723/0xbe0 [ 8817.665916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8817.665916][ T10] ___sys_sendmsg+0xee/0x170 [ 8817.665916][ T10] __sys_sendmsg+0xcd/0x170 [ 8817.665916][ T10] do_syscall_64+0xc6/0x1e0 [ 8817.665916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8817.665916][ T10] [ 8817.667447][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8817.667447][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8817.667447][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8817.667447][ T10] ipv6_find_idev+0x102/0x170 [ 8817.667447][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8817.667447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.667447][ T10] netlink_rcv_skb+0x130/0x360 [ 8817.667447][ T10] netlink_unicast+0x449/0x710 [ 8817.667447][ T10] netlink_sendmsg+0x723/0xbe0 [ 8817.667447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8817.667447][ T10] ___sys_sendmsg+0xee/0x170 [ 8817.667447][ T10] __sys_sendmsg+0xcd/0x170 [ 8817.667447][ T10] do_syscall_64+0xc6/0x1e0 [ 8817.667447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8817.667447][ T10] [ 8817.669121][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8817.669366][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8817.669366][ T10] netdev_get_by_index+0x5e/0x80 [ 8817.669366][ T10] fib6_nh_init+0x3d8/0x1580 [ 8817.669366][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8817.669366][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8817.669366][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8817.669366][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8817.669366][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8817.669366][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8817.669366][ T10] addrconf_dad_begin+0x310/0x670 [ 8817.669366][ T10] addrconf_dad_work+0x10b/0xab0 [ 8817.669366][ T10] process_one_work+0x84d/0x18a0 [ 8817.669366][ T10] worker_thread+0x587/0xd30 [ 8817.669366][ T10] kthread+0x28a/0x350 [ 8817.669366][ T10] ret_from_fork+0x31/0x70 [ 8817.669366][ T10] ret_from_fork_asm+0x1a/0x30 [ 8817.669366][ T10] [ 8817.671262][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8817.671262][ T10] netdev_get_by_index+0x5e/0x80 [ 8817.671262][ T10] fib6_nh_init+0x3d8/0x1580 [ 8817.671262][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8817.671262][ T10] ip6_route_add+0x1c/0x140 [ 8817.671262][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8817.671262][ T10] inet6_addr_add+0x4f8/0xa40 [ 8817.671262][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8817.671262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.671262][ T10] netlink_rcv_skb+0x130/0x360 [ 8817.671262][ T10] netlink_unicast+0x449/0x710 [ 8817.671262][ T10] netlink_sendmsg+0x723/0xbe0 [ 8817.671262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8817.671262][ T10] ___sys_sendmsg+0xee/0x170 [ 8817.671262][ T10] __sys_sendmsg+0xcd/0x170 [ 8817.671262][ T10] do_syscall_64+0xc6/0x1e0 [ 8817.671262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8817.671262][ T10] [ 8817.673246][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8817.673246][ T10] netdev_get_by_index+0x5e/0x80 [ 8817.673246][ T10] fib6_nh_init+0x3d8/0x1580 [ 8817.673246][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8817.673246][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8817.673246][ T10] ipv6_add_addr+0x411/0x2000 [ 8817.673246][ T10] inet6_addr_add+0x30e/0xa40 [ 8817.673246][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8817.673246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.673246][ T10] netlink_rcv_skb+0x130/0x360 [ 8817.673246][ T10] netlink_unicast+0x449/0x710 [ 8817.673246][ T10] netlink_sendmsg+0x723/0xbe0 [ 8817.673246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8817.673246][ T10] ___sys_sendmsg+0xee/0x170 [ 8817.673246][ T10] __sys_sendmsg+0xcd/0x170 [ 8817.673246][ T10] do_syscall_64+0xc6/0x1e0 [ 8817.673246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8817.673246][ T10] [ 8817.675229][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8817.675229][ T10] netdev_get_by_index+0x5e/0x80 [ 8817.675229][ T10] fib6_nh_init+0x3d8/0x1580 [ 8817.675229][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8817.675229][ T10] ip6_route_add+0x1c/0x140 [ 8817.675229][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8817.675229][ T10] addrconf_add_dev+0xe2/0x170 [ 8817.675229][ T10] inet6_addr_add+0x12f/0xa40 [ 8817.675229][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8817.675229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.675229][ T10] netlink_rcv_skb+0x130/0x360 [ 8817.675229][ T10] netlink_unicast+0x449/0x710 [ 8817.675229][ T10] netlink_sendmsg+0x723/0xbe0 [ 8817.675229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8817.675229][ T10] ___sys_sendmsg+0xee/0x170 [ 8817.675229][ T10] __sys_sendmsg+0xcd/0x170 [ 8817.675229][ T10] do_syscall_64+0xc6/0x1e0 [ 8817.675229][ T10] [ 8817.677202][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8817.677202][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8817.677202][ T10] ipv6_find_idev+0x102/0x170 [ 8817.677202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8817.677202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.677202][ T10] netlink_rcv_skb+0x130/0x360 [ 8817.677202][ T10] netlink_unicast+0x449/0x710 [ 8817.677202][ T10] netlink_sendmsg+0x723/0xbe0 [ 8817.677202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8817.677202][ T10] ___sys_sendmsg+0xee/0x170 [ 8817.677202][ T10] __sys_sendmsg+0xcd/0x170 [ 8817.677202][ T10] do_syscall_64+0xc6/0x1e0 [ 8817.677202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8817.677202][ T10] [ 8817.678734][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8817.678734][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8817.678734][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8817.678734][ T10] ipv6_find_idev+0x102/0x170 [ 8817.678734][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8817.678734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.678734][ T10] netlink_rcv_skb+0x130/0x360 [ 8817.678734][ T10] netlink_unicast+0x449/0x710 [ 8817.678734][ T10] netlink_sendmsg+0x723/0xbe0 [ 8817.678734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8817.678734][ T10] ___sys_sendmsg+0xee/0x170 [ 8817.678734][ T10] __sys_sendmsg+0xcd/0x170 [ 8817.678734][ T10] do_syscall_64+0xc6/0x1e0 [ 8817.678734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8817.678734][ T10] [ 8817.680393][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8817.680631][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8817.680631][ T10] netdev_get_by_index+0x5e/0x80 [ 8817.680631][ T10] fib6_nh_init+0x3d8/0x1580 [ 8817.680631][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8817.680631][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8817.680631][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8817.680631][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8817.680631][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8817.680631][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8817.680631][ T10] addrconf_dad_begin+0x310/0x670 [ 8817.680631][ T10] addrconf_dad_work+0x10b/0xab0 [ 8817.680631][ T10] process_one_work+0x84d/0x18a0 [ 8817.680631][ T10] worker_thread+0x587/0xd30 [ 8817.680631][ T10] kthread+0x28a/0x350 [ 8817.680631][ T10] ret_from_fork+0x31/0x70 [ 8817.680631][ T10] ret_from_fork_asm+0x1a/0x30 [ 8817.680631][ T10] [ 8817.682530][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8817.682530][ T10] netdev_get_by_index+0x5e/0x80 [ 8817.682530][ T10] fib6_nh_init+0x3d8/0x1580 [ 8817.682530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8817.682530][ T10] ip6_route_add+0x1c/0x140 [ 8817.682530][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8817.682530][ T10] inet6_addr_add+0x4f8/0xa40 [ 8817.682530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8817.682530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.682530][ T10] netlink_rcv_skb+0x130/0x360 [ 8817.682530][ T10] netlink_unicast+0x449/0x710 [ 8817.682530][ T10] netlink_sendmsg+0x723/0xbe0 [ 8817.682530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8817.682530][ T10] ___sys_sendmsg+0xee/0x170 [ 8817.682530][ T10] __sys_sendmsg+0xcd/0x170 [ 8817.682530][ T10] do_syscall_64+0xc6/0x1e0 [ 8817.682530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8817.682530][ T10] [ 8817.684694][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8817.684694][ T10] netdev_get_by_index+0x5e/0x80 [ 8817.684694][ T10] fib6_nh_init+0x3d8/0x1580 [ 8817.684694][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8817.684694][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8817.684694][ T10] ipv6_add_addr+0x411/0x2000 [ 8817.684694][ T10] inet6_addr_add+0x30e/0xa40 [ 8817.684694][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8817.684694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.684694][ T10] netlink_rcv_skb+0x130/0x360 [ 8817.684694][ T10] netlink_unicast+0x449/0x710 [ 8817.684694][ T10] netlink_sendmsg+0x723/0xbe0 [ 8817.684694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8817.684694][ T10] ___sys_sendmsg+0xee/0x170 [ 8817.684694][ T10] __sys_sendmsg+0xcd/0x170 [ 8817.684694][ T10] do_syscall_64+0xc6/0x1e0 [ 8817.684694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8817.684694][ T10] [ 8817.686925][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8817.686925][ T10] netdev_get_by_index+0x5e/0x80 [ 8817.686925][ T10] fib6_nh_init+0x3d8/0x1580 [ 8817.686925][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8817.686925][ T10] ip6_route_add+0x1c/0x140 [ 8817.686925][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8817.686925][ T10] addrconf_add_dev+0xe2/0x170 [ 8817.686925][ T10] inet6_addr_add+0x12f/0xa40 [ 8817.686925][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8817.686925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.686925][ T10] netlink_rcv_skb+0x130/0x360 [ 8817.686925][ T10] netlink_unicast+0x449/0x710 [ 8817.686925][ T10] netlink_sendmsg+0x723/0xbe0 [ 8817.686925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8817.686925][ T10] ___sys_sendmsg+0xee/0x170 [ 8817.686925][ T10] __sys_sendmsg+0xcd/0x170 [ 8817.686925][ T10] do_syscall_64+0xc6/0x1e0 [ 8817.686925][ T10] [ 8817.689110][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8817.689110][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8817.689110][ T10] ipv6_find_idev+0x102/0x170 [ 8817.689110][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8817.689110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.689110][ T10] netlink_rcv_skb+0x130/0x360 [ 8817.689110][ T10] netlink_unicast+0x449/0x710 [ 8817.689110][ T10] netlink_sendmsg+0x723/0xbe0 [ 8817.689110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8817.689110][ T10] ___sys_sendmsg+0xee/0x170 [ 8817.689110][ T10] __sys_sendmsg+0xcd/0x170 [ 8817.689110][ T10] do_syscall_64+0xc6/0x1e0 [ 8817.689110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8817.689110][ T10] [ 8817.690814][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8817.690814][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8817.690814][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8817.690814][ T10] ipv6_find_idev+0x102/0x170 [ 8817.690814][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8817.690814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.690814][ T10] netlink_rcv_skb+0x130/0x360 [ 8817.690814][ T10] netlink_unicast+0x449/0x710 [ 8817.690814][ T10] netlink_sendmsg+0x723/0xbe0 [ 8817.690814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8817.690814][ T10] ___sys_sendmsg+0xee/0x170 [ 8817.690814][ T10] __sys_sendmsg+0xcd/0x170 [ 8817.690814][ T10] do_syscall_64+0xc6/0x1e0 [ 8817.690814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8817.690814][ T10] [ 8817.692716][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8817.692949][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8817.692949][ T10] netdev_get_by_index+0x5e/0x80 [ 8817.692949][ T10] fib6_nh_init+0x3d8/0x1580 [ 8817.692949][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8817.692949][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8817.692949][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8817.692949][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8817.692949][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8817.692949][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8817.692949][ T10] addrconf_dad_begin+0x310/0x670 [ 8817.692949][ T10] addrconf_dad_work+0x10b/0xab0 [ 8817.692949][ T10] process_one_work+0x84d/0x18a0 [ 8817.692949][ T10] worker_thread+0x587/0xd30 [ 8817.692949][ T10] kthread+0x28a/0x350 [ 8817.692949][ T10] ret_from_fork+0x31/0x70 [ 8817.692949][ T10] ret_from_fork_asm+0x1a/0x30 [ 8817.692949][ T10] [ 8817.695082][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8817.695082][ T10] netdev_get_by_index+0x5e/0x80 [ 8817.695082][ T10] fib6_nh_init+0x3d8/0x1580 [ 8817.695082][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8817.695082][ T10] ip6_route_add+0x1c/0x140 [ 8817.695082][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8817.695082][ T10] inet6_addr_add+0x4f8/0xa40 [ 8817.695082][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8817.695082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.695082][ T10] netlink_rcv_skb+0x130/0x360 [ 8817.695082][ T10] netlink_unicast+0x449/0x710 [ 8817.695082][ T10] netlink_sendmsg+0x723/0xbe0 [ 8817.695082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8817.695082][ T10] ___sys_sendmsg+0xee/0x170 [ 8817.695082][ T10] __sys_sendmsg+0xcd/0x170 [ 8817.695082][ T10] do_syscall_64+0xc6/0x1e0 [ 8817.695082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8817.695082][ T10] [ 8817.697302][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8817.697302][ T10] netdev_get_by_index+0x5e/0x80 [ 8817.697302][ T10] fib6_nh_init+0x3d8/0x1580 [ 8817.697302][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8817.697302][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8817.697302][ T10] ipv6_add_addr+0x411/0x2000 [ 8817.697302][ T10] inet6_addr_add+0x30e/0xa40 [ 8817.697302][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8817.697302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.697302][ T10] netlink_rcv_skb+0x130/0x360 [ 8817.697302][ T10] netlink_unicast+0x449/0x710 [ 8817.697302][ T10] netlink_sendmsg+0x723/0xbe0 [ 8817.697302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8817.697302][ T10] ___sys_sendmsg+0xee/0x170 [ 8817.697302][ T10] __sys_sendmsg+0xcd/0x170 [ 8817.697302][ T10] do_syscall_64+0xc6/0x1e0 [ 8817.697302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8817.697302][ T10] [ 8817.699520][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8817.699520][ T10] netdev_get_by_index+0x5e/0x80 [ 8817.699520][ T10] fib6_nh_init+0x3d8/0x1580 [ 8817.699520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8817.699520][ T10] ip6_route_add+0x1c/0x140 [ 8817.699520][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8817.699520][ T10] addrconf_add_dev+0xe2/0x170 [ 8817.699520][ T10] inet6_addr_add+0x12f/0xa40 [ 8817.699520][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8817.699520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.699520][ T10] netlink_rcv_skb+0x130/0x360 [ 8817.699520][ T10] netlink_unicast+0x449/0x710 [ 8817.699520][ T10] netlink_sendmsg+0x723/0xbe0 [ 8817.699520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8817.699520][ T10] ___sys_sendmsg+0xee/0x170 [ 8817.699520][ T10] __sys_sendmsg+0xcd/0x170 [ 8817.699520][ T10] do_syscall_64+0xc6/0x1e0 [ 8817.699520][ T10] [ 8817.701655][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8817.701655][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8817.701655][ T10] ipv6_find_idev+0x102/0x170 [ 8817.701655][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8817.701655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.701655][ T10] netlink_rcv_skb+0x130/0x360 [ 8817.701655][ T10] netlink_unicast+0x449/0x710 [ 8817.701655][ T10] netlink_sendmsg+0x723/0xbe0 [ 8817.701655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8817.701655][ T10] ___sys_sendmsg+0xee/0x170 [ 8817.701655][ T10] __sys_sendmsg+0xcd/0x170 [ 8817.701655][ T10] do_syscall_64+0xc6/0x1e0 [ 8817.701655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8817.701655][ T10] [ 8817.703357][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8817.703357][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8817.703357][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8817.703357][ T10] ipv6_find_idev+0x102/0x170 [ 8817.703357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8817.703357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.703357][ T10] netlink_rcv_skb+0x130/0x360 [ 8817.703357][ T10] netlink_unicast+0x449/0x710 [ 8817.703357][ T10] netlink_sendmsg+0x723/0xbe0 [ 8817.703357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8817.703357][ T10] ___sys_sendmsg+0xee/0x170 [ 8817.703357][ T10] __sys_sendmsg+0xcd/0x170 [ 8817.703357][ T10] do_syscall_64+0xc6/0x1e0 [ 8817.703357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8817.703357][ T10] [ 8825.897123][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8825.897610][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8825.897610][ T1167] dst_init+0x84/0x4a0 [ 8825.897610][ T1167] dst_alloc+0x97/0x150 [ 8825.897610][ T1167] ip6_dst_alloc+0x23/0x90 [ 8825.897610][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8825.897610][ T1167] ip6_pol_route+0x56f/0x840 [ 8825.897610][ T1167] fib6_rule_lookup+0x334/0x630 [ 8825.897610][ T1167] ip6_route_output_flags+0x259/0x480 [ 8825.897610][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8825.897610][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8825.897610][ T1167] netlink_rcv_skb+0x130/0x360 [ 8825.897610][ T1167] netlink_unicast+0x449/0x710 [ 8825.897610][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8825.897610][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8825.897610][ T1167] ___sys_sendmsg+0xee/0x170 [ 8825.897610][ T1167] __sys_sendmsg+0xcd/0x170 [ 8825.897610][ T1167] do_syscall_64+0xc6/0x1e0 [ 8825.897610][ T1167] [ 8825.899807][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8825.899807][ T1167] netdev_get_by_index+0x5e/0x80 [ 8825.899807][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8825.899807][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8825.899807][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8825.899807][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8825.899807][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8825.899807][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8825.899807][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8825.899807][ T1167] addrconf_dad_begin+0x310/0x670 [ 8825.899807][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8825.899807][ T1167] process_one_work+0x84d/0x18a0 [ 8825.899807][ T1167] worker_thread+0x587/0xd30 [ 8825.899807][ T1167] kthread+0x28a/0x350 [ 8825.899807][ T1167] ret_from_fork+0x31/0x70 [ 8825.899807][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8825.899807][ T1167] [ 8825.901948][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8825.901948][ T1167] netdev_get_by_index+0x5e/0x80 [ 8825.901948][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8825.901948][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8825.901948][ T1167] ip6_route_add+0x1c/0x140 [ 8825.901948][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8825.901948][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8825.901948][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8825.901948][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8825.901948][ T1167] netlink_rcv_skb+0x130/0x360 [ 8825.901948][ T1167] netlink_unicast+0x449/0x710 [ 8825.901948][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8825.901948][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8825.901948][ T1167] ___sys_sendmsg+0xee/0x170 [ 8825.901948][ T1167] __sys_sendmsg+0xcd/0x170 [ 8825.901948][ T1167] do_syscall_64+0xc6/0x1e0 [ 8825.901948][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8825.901948][ T1167] [ 8825.904183][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8825.904183][ T1167] netdev_get_by_index+0x5e/0x80 [ 8825.904183][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8825.904183][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8825.904183][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8825.904183][ T1167] ipv6_add_addr+0x411/0x2000 [ 8825.904183][ T1167] inet6_addr_add+0x30e/0xa40 [ 8825.904183][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8825.904183][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8825.904183][ T1167] netlink_rcv_skb+0x130/0x360 [ 8825.904183][ T1167] netlink_unicast+0x449/0x710 [ 8825.904183][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8825.904183][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8825.904183][ T1167] ___sys_sendmsg+0xee/0x170 [ 8825.904183][ T1167] __sys_sendmsg+0xcd/0x170 [ 8825.904183][ T1167] do_syscall_64+0xc6/0x1e0 [ 8825.904183][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8825.904183][ T1167] [ 8825.906443][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8825.906443][ T1167] netdev_get_by_index+0x5e/0x80 [ 8825.906443][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8825.906443][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8825.906443][ T1167] ip6_route_add+0x1c/0x140 [ 8825.906443][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8825.906443][ T1167] addrconf_add_dev+0xe2/0x170 [ 8825.906443][ T1167] inet6_addr_add+0x12f/0xa40 [ 8825.906443][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8825.906443][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8825.906443][ T1167] netlink_rcv_skb+0x130/0x360 [ 8825.906443][ T1167] netlink_unicast+0x449/0x710 [ 8825.906443][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8825.906443][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8825.906443][ T1167] ___sys_sendmsg+0xee/0x170 [ 8825.906443][ T1167] __sys_sendmsg+0xcd/0x170 [ 8825.906443][ T1167] do_syscall_64+0xc6/0x1e0 [ 8825.906443][ T1167] [ 8825.908648][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8825.908648][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8825.908648][ T1167] ipv6_find_idev+0x102/0x170 [ 8825.908648][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8825.908648][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8825.908648][ T1167] netlink_rcv_skb+0x130/0x360 [ 8825.908648][ T1167] netlink_unicast+0x449/0x710 [ 8825.908648][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8825.908648][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8825.908648][ T1167] ___sys_sendmsg+0xee/0x170 [ 8825.908648][ T1167] __sys_sendmsg+0xcd/0x170 [ 8825.908648][ T1167] do_syscall_64+0xc6/0x1e0 [ 8825.908648][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8825.908648][ T1167] [ 8825.910366][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8825.910366][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8825.910366][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8825.910366][ T1167] ipv6_find_idev+0x102/0x170 [ 8825.910366][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8825.910366][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8825.910366][ T1167] netlink_rcv_skb+0x130/0x360 [ 8825.910366][ T1167] netlink_unicast+0x449/0x710 [ 8825.910366][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8825.910366][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8825.910366][ T1167] ___sys_sendmsg+0xee/0x170 [ 8825.910366][ T1167] __sys_sendmsg+0xcd/0x170 [ 8825.910366][ T1167] do_syscall_64+0xc6/0x1e0 [ 8825.910366][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8825.910366][ T1167] [ 8827.945037][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8827.945456][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8827.945456][ T10] netdev_get_by_index+0x5e/0x80 [ 8827.945456][ T10] fib6_nh_init+0x3d8/0x1580 [ 8827.945456][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8827.945456][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8827.945456][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8827.945456][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8827.945456][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8827.945456][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8827.945456][ T10] addrconf_dad_begin+0x310/0x670 [ 8827.945456][ T10] addrconf_dad_work+0x10b/0xab0 [ 8827.945456][ T10] process_one_work+0x84d/0x18a0 [ 8827.945456][ T10] worker_thread+0x587/0xd30 [ 8827.945456][ T10] kthread+0x28a/0x350 [ 8827.945456][ T10] ret_from_fork+0x31/0x70 [ 8827.945456][ T10] ret_from_fork_asm+0x1a/0x30 [ 8827.945456][ T10] [ 8827.947606][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8827.947606][ T10] netdev_get_by_index+0x5e/0x80 [ 8827.947606][ T10] fib6_nh_init+0x3d8/0x1580 [ 8827.947606][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8827.947606][ T10] ip6_route_add+0x1c/0x140 [ 8827.947606][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8827.947606][ T10] inet6_addr_add+0x4f8/0xa40 [ 8827.947606][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8827.947606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.947606][ T10] netlink_rcv_skb+0x130/0x360 [ 8827.947606][ T10] netlink_unicast+0x449/0x710 [ 8827.947606][ T10] netlink_sendmsg+0x723/0xbe0 [ 8827.947606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8827.947606][ T10] ___sys_sendmsg+0xee/0x170 [ 8827.947606][ T10] __sys_sendmsg+0xcd/0x170 [ 8827.947606][ T10] do_syscall_64+0xc6/0x1e0 [ 8827.947606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8827.947606][ T10] [ 8827.949814][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8827.949814][ T10] netdev_get_by_index+0x5e/0x80 [ 8827.949814][ T10] fib6_nh_init+0x3d8/0x1580 [ 8827.949814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8827.949814][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8827.949814][ T10] ipv6_add_addr+0x411/0x2000 [ 8827.949814][ T10] inet6_addr_add+0x30e/0xa40 [ 8827.949814][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8827.949814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.949814][ T10] netlink_rcv_skb+0x130/0x360 [ 8827.949814][ T10] netlink_unicast+0x449/0x710 [ 8827.949814][ T10] netlink_sendmsg+0x723/0xbe0 [ 8827.949814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8827.949814][ T10] ___sys_sendmsg+0xee/0x170 [ 8827.949814][ T10] __sys_sendmsg+0xcd/0x170 [ 8827.949814][ T10] do_syscall_64+0xc6/0x1e0 [ 8827.949814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8827.949814][ T10] [ 8827.952017][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8827.952017][ T10] netdev_get_by_index+0x5e/0x80 [ 8827.952017][ T10] fib6_nh_init+0x3d8/0x1580 [ 8827.952017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8827.952017][ T10] ip6_route_add+0x1c/0x140 [ 8827.952017][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8827.952017][ T10] addrconf_add_dev+0xe2/0x170 [ 8827.952017][ T10] inet6_addr_add+0x12f/0xa40 [ 8827.952017][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8827.952017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.952017][ T10] netlink_rcv_skb+0x130/0x360 [ 8827.952017][ T10] netlink_unicast+0x449/0x710 [ 8827.952017][ T10] netlink_sendmsg+0x723/0xbe0 [ 8827.952017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8827.952017][ T10] ___sys_sendmsg+0xee/0x170 [ 8827.952017][ T10] __sys_sendmsg+0xcd/0x170 [ 8827.952017][ T10] do_syscall_64+0xc6/0x1e0 [ 8827.952017][ T10] [ 8827.954183][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8827.954183][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8827.954183][ T10] ipv6_find_idev+0x102/0x170 [ 8827.954183][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8827.954183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.954183][ T10] netlink_rcv_skb+0x130/0x360 [ 8827.954183][ T10] netlink_unicast+0x449/0x710 [ 8827.954183][ T10] netlink_sendmsg+0x723/0xbe0 [ 8827.954183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8827.954183][ T10] ___sys_sendmsg+0xee/0x170 [ 8827.954183][ T10] __sys_sendmsg+0xcd/0x170 [ 8827.954183][ T10] do_syscall_64+0xc6/0x1e0 [ 8827.954183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8827.954183][ T10] [ 8827.955879][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8827.955879][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8827.955879][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8827.955879][ T10] ipv6_find_idev+0x102/0x170 [ 8827.955879][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8827.955879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.955879][ T10] netlink_rcv_skb+0x130/0x360 [ 8827.955879][ T10] netlink_unicast+0x449/0x710 [ 8827.955879][ T10] netlink_sendmsg+0x723/0xbe0 [ 8827.955879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8827.955879][ T10] ___sys_sendmsg+0xee/0x170 [ 8827.955879][ T10] __sys_sendmsg+0xcd/0x170 [ 8827.955879][ T10] do_syscall_64+0xc6/0x1e0 [ 8827.955879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8827.955879][ T10] [ 8827.957757][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8827.958028][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8827.958028][ T10] netdev_get_by_index+0x5e/0x80 [ 8827.958028][ T10] fib6_nh_init+0x3d8/0x1580 [ 8827.958028][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8827.958028][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8827.958028][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8827.958028][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8827.958028][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8827.958028][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8827.958028][ T10] addrconf_dad_begin+0x310/0x670 [ 8827.958028][ T10] addrconf_dad_work+0x10b/0xab0 [ 8827.958028][ T10] process_one_work+0x84d/0x18a0 [ 8827.958028][ T10] worker_thread+0x587/0xd30 [ 8827.958028][ T10] kthread+0x28a/0x350 [ 8827.958028][ T10] ret_from_fork+0x31/0x70 [ 8827.958028][ T10] ret_from_fork_asm+0x1a/0x30 [ 8827.958028][ T10] [ 8827.960136][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8827.960136][ T10] netdev_get_by_index+0x5e/0x80 [ 8827.960136][ T10] fib6_nh_init+0x3d8/0x1580 [ 8827.960136][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8827.960136][ T10] ip6_route_add+0x1c/0x140 [ 8827.960136][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8827.960136][ T10] inet6_addr_add+0x4f8/0xa40 [ 8827.960136][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8827.960136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.960136][ T10] netlink_rcv_skb+0x130/0x360 [ 8827.960136][ T10] netlink_unicast+0x449/0x710 [ 8827.960136][ T10] netlink_sendmsg+0x723/0xbe0 [ 8827.960136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8827.960136][ T10] ___sys_sendmsg+0xee/0x170 [ 8827.960136][ T10] __sys_sendmsg+0xcd/0x170 [ 8827.960136][ T10] do_syscall_64+0xc6/0x1e0 [ 8827.960136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8827.960136][ T10] [ 8827.962343][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8827.962343][ T10] netdev_get_by_index+0x5e/0x80 [ 8827.962343][ T10] fib6_nh_init+0x3d8/0x1580 [ 8827.962343][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8827.962343][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8827.962343][ T10] ipv6_add_addr+0x411/0x2000 [ 8827.962343][ T10] inet6_addr_add+0x30e/0xa40 [ 8827.962343][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8827.962343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.962343][ T10] netlink_rcv_skb+0x130/0x360 [ 8827.962343][ T10] netlink_unicast+0x449/0x710 [ 8827.962343][ T10] netlink_sendmsg+0x723/0xbe0 [ 8827.962343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8827.962343][ T10] ___sys_sendmsg+0xee/0x170 [ 8827.962343][ T10] __sys_sendmsg+0xcd/0x170 [ 8827.962343][ T10] do_syscall_64+0xc6/0x1e0 [ 8827.962343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8827.962343][ T10] [ 8827.964542][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8827.964542][ T10] netdev_get_by_index+0x5e/0x80 [ 8827.964542][ T10] fib6_nh_init+0x3d8/0x1580 [ 8827.964542][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8827.964542][ T10] ip6_route_add+0x1c/0x140 [ 8827.964542][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8827.964542][ T10] addrconf_add_dev+0xe2/0x170 [ 8827.964542][ T10] inet6_addr_add+0x12f/0xa40 [ 8827.964542][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8827.964542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.964542][ T10] netlink_rcv_skb+0x130/0x360 [ 8827.964542][ T10] netlink_unicast+0x449/0x710 [ 8827.964542][ T10] netlink_sendmsg+0x723/0xbe0 [ 8827.964542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8827.964542][ T10] ___sys_sendmsg+0xee/0x170 [ 8827.964542][ T10] __sys_sendmsg+0xcd/0x170 [ 8827.964542][ T10] do_syscall_64+0xc6/0x1e0 [ 8827.964542][ T10] [ 8827.966712][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8827.966712][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8827.966712][ T10] ipv6_find_idev+0x102/0x170 [ 8827.966712][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8827.966712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.966712][ T10] netlink_rcv_skb+0x130/0x360 [ 8827.966712][ T10] netlink_unicast+0x449/0x710 [ 8827.966712][ T10] netlink_sendmsg+0x723/0xbe0 [ 8827.966712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8827.966712][ T10] ___sys_sendmsg+0xee/0x170 [ 8827.966712][ T10] __sys_sendmsg+0xcd/0x170 [ 8827.966712][ T10] do_syscall_64+0xc6/0x1e0 [ 8827.966712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8827.966712][ T10] [ 8827.968401][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8827.968401][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8827.968401][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8827.968401][ T10] ipv6_find_idev+0x102/0x170 [ 8827.968401][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8827.968401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.968401][ T10] netlink_rcv_skb+0x130/0x360 [ 8827.968401][ T10] netlink_unicast+0x449/0x710 [ 8827.968401][ T10] netlink_sendmsg+0x723/0xbe0 [ 8827.968401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8827.968401][ T10] ___sys_sendmsg+0xee/0x170 [ 8827.968401][ T10] __sys_sendmsg+0xcd/0x170 [ 8827.968401][ T10] do_syscall_64+0xc6/0x1e0 [ 8827.968401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8827.968401][ T10] [ 8827.970275][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8827.970549][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8827.970549][ T10] netdev_get_by_index+0x5e/0x80 [ 8827.970549][ T10] fib6_nh_init+0x3d8/0x1580 [ 8827.970549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8827.970549][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8827.970549][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8827.970549][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8827.970549][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8827.970549][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8827.970549][ T10] addrconf_dad_begin+0x310/0x670 [ 8827.970549][ T10] addrconf_dad_work+0x10b/0xab0 [ 8827.970549][ T10] process_one_work+0x84d/0x18a0 [ 8827.970549][ T10] worker_thread+0x587/0xd30 [ 8827.970549][ T10] kthread+0x28a/0x350 [ 8827.970549][ T10] ret_from_fork+0x31/0x70 [ 8827.970549][ T10] ret_from_fork_asm+0x1a/0x30 [ 8827.970549][ T10] [ 8827.972671][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8827.972671][ T10] netdev_get_by_index+0x5e/0x80 [ 8827.972671][ T10] fib6_nh_init+0x3d8/0x1580 [ 8827.972671][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8827.972671][ T10] ip6_route_add+0x1c/0x140 [ 8827.972671][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8827.972671][ T10] inet6_addr_add+0x4f8/0xa40 [ 8827.972671][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8827.972671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.972671][ T10] netlink_rcv_skb+0x130/0x360 [ 8827.972671][ T10] netlink_unicast+0x449/0x710 [ 8827.972671][ T10] netlink_sendmsg+0x723/0xbe0 [ 8827.972671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8827.972671][ T10] ___sys_sendmsg+0xee/0x170 [ 8827.972671][ T10] __sys_sendmsg+0xcd/0x170 [ 8827.972671][ T10] do_syscall_64+0xc6/0x1e0 [ 8827.972671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8827.972671][ T10] [ 8827.975054][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8827.975054][ T10] netdev_get_by_index+0x5e/0x80 [ 8827.975054][ T10] fib6_nh_init+0x3d8/0x1580 [ 8827.975054][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8827.975054][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8827.975054][ T10] ipv6_add_addr+0x411/0x2000 [ 8827.975054][ T10] inet6_addr_add+0x30e/0xa40 [ 8827.975054][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8827.975054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.975054][ T10] netlink_rcv_skb+0x130/0x360 [ 8827.975054][ T10] netlink_unicast+0x449/0x710 [ 8827.975054][ T10] netlink_sendmsg+0x723/0xbe0 [ 8827.975054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8827.975054][ T10] ___sys_sendmsg+0xee/0x170 [ 8827.975054][ T10] __sys_sendmsg+0xcd/0x170 [ 8827.975054][ T10] do_syscall_64+0xc6/0x1e0 [ 8827.975054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8827.975054][ T10] [ 8827.977536][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8827.977536][ T10] netdev_get_by_index+0x5e/0x80 [ 8827.977536][ T10] fib6_nh_init+0x3d8/0x1580 [ 8827.977536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8827.977536][ T10] ip6_route_add+0x1c/0x140 [ 8827.977536][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8827.977536][ T10] addrconf_add_dev+0xe2/0x170 [ 8827.977536][ T10] inet6_addr_add+0x12f/0xa40 [ 8827.977536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8827.977536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.977536][ T10] netlink_rcv_skb+0x130/0x360 [ 8827.977536][ T10] netlink_unicast+0x449/0x710 [ 8827.977536][ T10] netlink_sendmsg+0x723/0xbe0 [ 8827.977536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8827.977536][ T10] ___sys_sendmsg+0xee/0x170 [ 8827.977536][ T10] __sys_sendmsg+0xcd/0x170 [ 8827.977536][ T10] do_syscall_64+0xc6/0x1e0 [ 8827.977536][ T10] [ 8827.979879][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8827.979879][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8827.979879][ T10] ipv6_find_idev+0x102/0x170 [ 8827.979879][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8827.979879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.979879][ T10] netlink_rcv_skb+0x130/0x360 [ 8827.979879][ T10] netlink_unicast+0x449/0x710 [ 8827.979879][ T10] netlink_sendmsg+0x723/0xbe0 [ 8827.979879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8827.979879][ T10] ___sys_sendmsg+0xee/0x170 [ 8827.979879][ T10] __sys_sendmsg+0xcd/0x170 [ 8827.979879][ T10] do_syscall_64+0xc6/0x1e0 [ 8827.979879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8827.979879][ T10] [ 8827.981823][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8827.981823][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8827.981823][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8827.981823][ T10] ipv6_find_idev+0x102/0x170 [ 8827.981823][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8827.981823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.981823][ T10] netlink_rcv_skb+0x130/0x360 [ 8827.981823][ T10] netlink_unicast+0x449/0x710 [ 8827.981823][ T10] netlink_sendmsg+0x723/0xbe0 [ 8827.981823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8827.981823][ T10] ___sys_sendmsg+0xee/0x170 [ 8827.981823][ T10] __sys_sendmsg+0xcd/0x170 [ 8827.981823][ T10] do_syscall_64+0xc6/0x1e0 [ 8827.981823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8827.981823][ T10] [ 8827.983917][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8827.984240][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8827.984240][ T10] netdev_get_by_index+0x5e/0x80 [ 8827.984240][ T10] fib6_nh_init+0x3d8/0x1580 [ 8827.984240][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8827.984240][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8827.984240][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8827.984240][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8827.984240][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8827.984240][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8827.984240][ T10] addrconf_dad_begin+0x310/0x670 [ 8827.984240][ T10] addrconf_dad_work+0x10b/0xab0 [ 8827.984240][ T10] process_one_work+0x84d/0x18a0 [ 8827.984240][ T10] worker_thread+0x587/0xd30 [ 8827.984240][ T10] kthread+0x28a/0x350 [ 8827.984240][ T10] ret_from_fork+0x31/0x70 [ 8827.984240][ T10] ret_from_fork_asm+0x1a/0x30 [ 8827.984240][ T10] [ 8827.986537][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8827.986537][ T10] netdev_get_by_index+0x5e/0x80 [ 8827.986537][ T10] fib6_nh_init+0x3d8/0x1580 [ 8827.986537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8827.986537][ T10] ip6_route_add+0x1c/0x140 [ 8827.986537][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8827.986537][ T10] inet6_addr_add+0x4f8/0xa40 [ 8827.986537][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8827.986537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.986537][ T10] netlink_rcv_skb+0x130/0x360 [ 8827.986537][ T10] netlink_unicast+0x449/0x710 [ 8827.986537][ T10] netlink_sendmsg+0x723/0xbe0 [ 8827.986537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8827.986537][ T10] ___sys_sendmsg+0xee/0x170 [ 8827.986537][ T10] __sys_sendmsg+0xcd/0x170 [ 8827.986537][ T10] do_syscall_64+0xc6/0x1e0 [ 8827.986537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8827.986537][ T10] [ 8827.988988][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8827.988988][ T10] netdev_get_by_index+0x5e/0x80 [ 8827.988988][ T10] fib6_nh_init+0x3d8/0x1580 [ 8827.988988][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8827.988988][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8827.988988][ T10] ipv6_add_addr+0x411/0x2000 [ 8827.988988][ T10] inet6_addr_add+0x30e/0xa40 [ 8827.988988][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8827.988988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.988988][ T10] netlink_rcv_skb+0x130/0x360 [ 8827.988988][ T10] netlink_unicast+0x449/0x710 [ 8827.988988][ T10] netlink_sendmsg+0x723/0xbe0 [ 8827.988988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8827.988988][ T10] ___sys_sendmsg+0xee/0x170 [ 8827.988988][ T10] __sys_sendmsg+0xcd/0x170 [ 8827.988988][ T10] do_syscall_64+0xc6/0x1e0 [ 8827.988988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8827.988988][ T10] [ 8827.991499][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8827.991499][ T10] netdev_get_by_index+0x5e/0x80 [ 8827.991499][ T10] fib6_nh_init+0x3d8/0x1580 [ 8827.991499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8827.991499][ T10] ip6_route_add+0x1c/0x140 [ 8827.991499][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8827.991499][ T10] addrconf_add_dev+0xe2/0x170 [ 8827.991499][ T10] inet6_addr_add+0x12f/0xa40 [ 8827.991499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8827.991499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.991499][ T10] netlink_rcv_skb+0x130/0x360 [ 8827.991499][ T10] netlink_unicast+0x449/0x710 [ 8827.991499][ T10] netlink_sendmsg+0x723/0xbe0 [ 8827.991499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8827.991499][ T10] ___sys_sendmsg+0xee/0x170 [ 8827.991499][ T10] __sys_sendmsg+0xcd/0x170 [ 8827.991499][ T10] do_syscall_64+0xc6/0x1e0 [ 8827.991499][ T10] [ 8827.993861][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8827.993861][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8827.993861][ T10] ipv6_find_idev+0x102/0x170 [ 8827.993861][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8827.993861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.993861][ T10] netlink_rcv_skb+0x130/0x360 [ 8827.993861][ T10] netlink_unicast+0x449/0x710 [ 8827.993861][ T10] netlink_sendmsg+0x723/0xbe0 [ 8827.993861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8827.993861][ T10] ___sys_sendmsg+0xee/0x170 [ 8827.993861][ T10] __sys_sendmsg+0xcd/0x170 [ 8827.993861][ T10] do_syscall_64+0xc6/0x1e0 [ 8827.993861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8827.993861][ T10] [ 8827.995737][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8827.995737][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8827.995737][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8827.995737][ T10] ipv6_find_idev+0x102/0x170 [ 8827.995737][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8827.995737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.995737][ T10] netlink_rcv_skb+0x130/0x360 [ 8827.995737][ T10] netlink_unicast+0x449/0x710 [ 8827.995737][ T10] netlink_sendmsg+0x723/0xbe0 [ 8827.995737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8827.995737][ T10] ___sys_sendmsg+0xee/0x170 [ 8827.995737][ T10] __sys_sendmsg+0xcd/0x170 [ 8827.995737][ T10] do_syscall_64+0xc6/0x1e0 [ 8827.995737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8827.995737][ T10] [ 8836.161100][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8836.161605][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8836.161605][ T1167] dst_init+0x84/0x4a0 [ 8836.161605][ T1167] dst_alloc+0x97/0x150 [ 8836.161605][ T1167] ip6_dst_alloc+0x23/0x90 [ 8836.161605][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8836.161605][ T1167] ip6_pol_route+0x56f/0x840 [ 8836.161605][ T1167] fib6_rule_lookup+0x334/0x630 [ 8836.161605][ T1167] ip6_route_output_flags+0x259/0x480 [ 8836.161605][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8836.161605][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8836.161605][ T1167] netlink_rcv_skb+0x130/0x360 [ 8836.161605][ T1167] netlink_unicast+0x449/0x710 [ 8836.161605][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8836.161605][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8836.161605][ T1167] ___sys_sendmsg+0xee/0x170 [ 8836.161605][ T1167] __sys_sendmsg+0xcd/0x170 [ 8836.161605][ T1167] do_syscall_64+0xc6/0x1e0 [ 8836.161605][ T1167] [ 8836.163795][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8836.163795][ T1167] netdev_get_by_index+0x5e/0x80 [ 8836.163795][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8836.163795][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8836.163795][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8836.163795][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8836.163795][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8836.163795][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8836.163795][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8836.163795][ T1167] addrconf_dad_begin+0x310/0x670 [ 8836.163795][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8836.163795][ T1167] process_one_work+0x84d/0x18a0 [ 8836.163795][ T1167] worker_thread+0x587/0xd30 [ 8836.163795][ T1167] kthread+0x28a/0x350 [ 8836.163795][ T1167] ret_from_fork+0x31/0x70 [ 8836.163795][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8836.163795][ T1167] [ 8836.165931][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8836.165931][ T1167] netdev_get_by_index+0x5e/0x80 [ 8836.165931][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8836.165931][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8836.165931][ T1167] ip6_route_add+0x1c/0x140 [ 8836.165931][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8836.165931][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8836.165931][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8836.165931][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8836.165931][ T1167] netlink_rcv_skb+0x130/0x360 [ 8836.165931][ T1167] netlink_unicast+0x449/0x710 [ 8836.165931][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8836.165931][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8836.165931][ T1167] ___sys_sendmsg+0xee/0x170 [ 8836.165931][ T1167] __sys_sendmsg+0xcd/0x170 [ 8836.165931][ T1167] do_syscall_64+0xc6/0x1e0 [ 8836.165931][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8836.165931][ T1167] [ 8836.168182][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8836.168182][ T1167] netdev_get_by_index+0x5e/0x80 [ 8836.168182][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8836.168182][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8836.168182][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8836.168182][ T1167] ipv6_add_addr+0x411/0x2000 [ 8836.168182][ T1167] inet6_addr_add+0x30e/0xa40 [ 8836.168182][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8836.168182][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8836.168182][ T1167] netlink_rcv_skb+0x130/0x360 [ 8836.168182][ T1167] netlink_unicast+0x449/0x710 [ 8836.168182][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8836.168182][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8836.168182][ T1167] ___sys_sendmsg+0xee/0x170 [ 8836.168182][ T1167] __sys_sendmsg+0xcd/0x170 [ 8836.168182][ T1167] do_syscall_64+0xc6/0x1e0 [ 8836.168182][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8836.168182][ T1167] [ 8836.170431][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8836.170431][ T1167] netdev_get_by_index+0x5e/0x80 [ 8836.170431][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8836.170431][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8836.170431][ T1167] ip6_route_add+0x1c/0x140 [ 8836.170431][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8836.170431][ T1167] addrconf_add_dev+0xe2/0x170 [ 8836.170431][ T1167] inet6_addr_add+0x12f/0xa40 [ 8836.170431][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8836.170431][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8836.170431][ T1167] netlink_rcv_skb+0x130/0x360 [ 8836.170431][ T1167] netlink_unicast+0x449/0x710 [ 8836.170431][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8836.170431][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8836.170431][ T1167] ___sys_sendmsg+0xee/0x170 [ 8836.170431][ T1167] __sys_sendmsg+0xcd/0x170 [ 8836.170431][ T1167] do_syscall_64+0xc6/0x1e0 [ 8836.170431][ T1167] [ 8836.172621][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8836.172621][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8836.172621][ T1167] ipv6_find_idev+0x102/0x170 [ 8836.172621][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8836.172621][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8836.172621][ T1167] netlink_rcv_skb+0x130/0x360 [ 8836.172621][ T1167] netlink_unicast+0x449/0x710 [ 8836.172621][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8836.172621][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8836.172621][ T1167] ___sys_sendmsg+0xee/0x170 [ 8836.172621][ T1167] __sys_sendmsg+0xcd/0x170 [ 8836.172621][ T1167] do_syscall_64+0xc6/0x1e0 [ 8836.172621][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8836.172621][ T1167] [ 8836.174331][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8836.174331][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8836.174331][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8836.174331][ T1167] ipv6_find_idev+0x102/0x170 [ 8836.174331][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8836.174331][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8836.174331][ T1167] netlink_rcv_skb+0x130/0x360 [ 8836.174331][ T1167] netlink_unicast+0x449/0x710 [ 8836.174331][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8836.174331][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8836.174331][ T1167] ___sys_sendmsg+0xee/0x170 [ 8836.174331][ T1167] __sys_sendmsg+0xcd/0x170 [ 8836.174331][ T1167] do_syscall_64+0xc6/0x1e0 [ 8836.174331][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8836.174331][ T1167] [ 8838.233022][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8838.233425][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8838.233425][ T10] netdev_get_by_index+0x5e/0x80 [ 8838.233425][ T10] fib6_nh_init+0x3d8/0x1580 [ 8838.233425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8838.233425][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8838.233425][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8838.233425][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8838.233425][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8838.233425][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8838.233425][ T10] addrconf_dad_begin+0x310/0x670 [ 8838.233425][ T10] addrconf_dad_work+0x10b/0xab0 [ 8838.233425][ T10] process_one_work+0x84d/0x18a0 [ 8838.233425][ T10] worker_thread+0x587/0xd30 [ 8838.233425][ T10] kthread+0x28a/0x350 [ 8838.233425][ T10] ret_from_fork+0x31/0x70 [ 8838.233425][ T10] ret_from_fork_asm+0x1a/0x30 [ 8838.233425][ T10] [ 8838.235379][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8838.235379][ T10] netdev_get_by_index+0x5e/0x80 [ 8838.235379][ T10] fib6_nh_init+0x3d8/0x1580 [ 8838.235379][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8838.235379][ T10] ip6_route_add+0x1c/0x140 [ 8838.235379][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8838.235379][ T10] inet6_addr_add+0x4f8/0xa40 [ 8838.235379][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8838.235379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8838.235379][ T10] netlink_rcv_skb+0x130/0x360 [ 8838.235379][ T10] netlink_unicast+0x449/0x710 [ 8838.235379][ T10] netlink_sendmsg+0x723/0xbe0 [ 8838.235379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8838.235379][ T10] ___sys_sendmsg+0xee/0x170 [ 8838.235379][ T10] __sys_sendmsg+0xcd/0x170 [ 8838.235379][ T10] do_syscall_64+0xc6/0x1e0 [ 8838.235379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8838.235379][ T10] [ 8838.237421][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8838.237421][ T10] netdev_get_by_index+0x5e/0x80 [ 8838.237421][ T10] fib6_nh_init+0x3d8/0x1580 [ 8838.237421][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8838.237421][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8838.237421][ T10] ipv6_add_addr+0x411/0x2000 [ 8838.237421][ T10] inet6_addr_add+0x30e/0xa40 [ 8838.237421][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8838.237421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8838.237421][ T10] netlink_rcv_skb+0x130/0x360 [ 8838.237421][ T10] netlink_unicast+0x449/0x710 [ 8838.237421][ T10] netlink_sendmsg+0x723/0xbe0 [ 8838.237421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8838.237421][ T10] ___sys_sendmsg+0xee/0x170 [ 8838.237421][ T10] __sys_sendmsg+0xcd/0x170 [ 8838.237421][ T10] do_syscall_64+0xc6/0x1e0 [ 8838.237421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8838.237421][ T10] [ 8838.239444][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8838.239444][ T10] netdev_get_by_index+0x5e/0x80 [ 8838.239444][ T10] fib6_nh_init+0x3d8/0x1580 [ 8838.239444][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8838.239444][ T10] ip6_route_add+0x1c/0x140 [ 8838.239444][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8838.239444][ T10] addrconf_add_dev+0xe2/0x170 [ 8838.239444][ T10] inet6_addr_add+0x12f/0xa40 [ 8838.239444][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8838.239444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8838.239444][ T10] netlink_rcv_skb+0x130/0x360 [ 8838.239444][ T10] netlink_unicast+0x449/0x710 [ 8838.239444][ T10] netlink_sendmsg+0x723/0xbe0 [ 8838.239444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8838.239444][ T10] ___sys_sendmsg+0xee/0x170 [ 8838.239444][ T10] __sys_sendmsg+0xcd/0x170 [ 8838.239444][ T10] do_syscall_64+0xc6/0x1e0 [ 8838.239444][ T10] [ 8838.241415][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8838.241415][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8838.241415][ T10] ipv6_find_idev+0x102/0x170 [ 8838.241415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8838.241415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8838.241415][ T10] netlink_rcv_skb+0x130/0x360 [ 8838.241415][ T10] netlink_unicast+0x449/0x710 [ 8838.241415][ T10] netlink_sendmsg+0x723/0xbe0 [ 8838.241415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8838.241415][ T10] ___sys_sendmsg+0xee/0x170 [ 8838.241415][ T10] __sys_sendmsg+0xcd/0x170 [ 8838.241415][ T10] do_syscall_64+0xc6/0x1e0 [ 8838.241415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8838.241415][ T10] [ 8838.242970][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8838.242970][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8838.242970][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8838.242970][ T10] ipv6_find_idev+0x102/0x170 [ 8838.242970][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8838.242970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8838.242970][ T10] netlink_rcv_skb+0x130/0x360 [ 8838.242970][ T10] netlink_unicast+0x449/0x710 [ 8838.242970][ T10] netlink_sendmsg+0x723/0xbe0 [ 8838.242970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8838.242970][ T10] ___sys_sendmsg+0xee/0x170 [ 8838.242970][ T10] __sys_sendmsg+0xcd/0x170 [ 8838.242970][ T10] do_syscall_64+0xc6/0x1e0 [ 8838.242970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8838.242970][ T10] [ 8838.244691][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8838.244935][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8838.244935][ T10] netdev_get_by_index+0x5e/0x80 [ 8838.244935][ T10] fib6_nh_init+0x3d8/0x1580 [ 8838.244935][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8838.244935][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8838.244935][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8838.244935][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8838.244935][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8838.244935][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8838.244935][ T10] addrconf_dad_begin+0x310/0x670 [ 8838.244935][ T10] addrconf_dad_work+0x10b/0xab0 [ 8838.244935][ T10] process_one_work+0x84d/0x18a0 [ 8838.244935][ T10] worker_thread+0x587/0xd30 [ 8838.244935][ T10] kthread+0x28a/0x350 [ 8838.244935][ T10] ret_from_fork+0x31/0x70 [ 8838.244935][ T10] ret_from_fork_asm+0x1a/0x30 [ 8838.244935][ T10] [ 8838.246868][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8838.246868][ T10] netdev_get_by_index+0x5e/0x80 [ 8838.246868][ T10] fib6_nh_init+0x3d8/0x1580 [ 8838.246868][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8838.246868][ T10] ip6_route_add+0x1c/0x140 [ 8838.246868][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8838.246868][ T10] inet6_addr_add+0x4f8/0xa40 [ 8838.246868][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8838.246868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8838.246868][ T10] netlink_rcv_skb+0x130/0x360 [ 8838.246868][ T10] netlink_unicast+0x449/0x710 [ 8838.246868][ T10] netlink_sendmsg+0x723/0xbe0 [ 8838.246868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8838.246868][ T10] ___sys_sendmsg+0xee/0x170 [ 8838.246868][ T10] __sys_sendmsg+0xcd/0x170 [ 8838.246868][ T10] do_syscall_64+0xc6/0x1e0 [ 8838.246868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8838.246868][ T10] [ 8838.248888][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8838.248888][ T10] netdev_get_by_index+0x5e/0x80 [ 8838.248888][ T10] fib6_nh_init+0x3d8/0x1580 [ 8838.248888][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8838.248888][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8838.248888][ T10] ipv6_add_addr+0x411/0x2000 [ 8838.248888][ T10] inet6_addr_add+0x30e/0xa40 [ 8838.248888][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8838.248888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8838.248888][ T10] netlink_rcv_skb+0x130/0x360 [ 8838.248888][ T10] netlink_unicast+0x449/0x710 [ 8838.248888][ T10] netlink_sendmsg+0x723/0xbe0 [ 8838.248888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8838.248888][ T10] ___sys_sendmsg+0xee/0x170 [ 8838.248888][ T10] __sys_sendmsg+0xcd/0x170 [ 8838.248888][ T10] do_syscall_64+0xc6/0x1e0 [ 8838.248888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8838.248888][ T10] [ 8838.250900][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8838.250900][ T10] netdev_get_by_index+0x5e/0x80 [ 8838.250900][ T10] fib6_nh_init+0x3d8/0x1580 [ 8838.250900][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8838.250900][ T10] ip6_route_add+0x1c/0x140 [ 8838.250900][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8838.250900][ T10] addrconf_add_dev+0xe2/0x170 [ 8838.250900][ T10] inet6_addr_add+0x12f/0xa40 [ 8838.250900][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8838.250900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8838.250900][ T10] netlink_rcv_skb+0x130/0x360 [ 8838.250900][ T10] netlink_unicast+0x449/0x710 [ 8838.250900][ T10] netlink_sendmsg+0x723/0xbe0 [ 8838.250900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8838.250900][ T10] ___sys_sendmsg+0xee/0x170 [ 8838.250900][ T10] __sys_sendmsg+0xcd/0x170 [ 8838.250900][ T10] do_syscall_64+0xc6/0x1e0 [ 8838.250900][ T10] [ 8838.252880][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8838.252880][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8838.252880][ T10] ipv6_find_idev+0x102/0x170 [ 8838.252880][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8838.252880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8838.252880][ T10] netlink_rcv_skb+0x130/0x360 [ 8838.252880][ T10] netlink_unicast+0x449/0x710 [ 8838.252880][ T10] netlink_sendmsg+0x723/0xbe0 [ 8838.252880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8838.252880][ T10] ___sys_sendmsg+0xee/0x170 [ 8838.252880][ T10] __sys_sendmsg+0xcd/0x170 [ 8838.252880][ T10] do_syscall_64+0xc6/0x1e0 [ 8838.252880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8838.252880][ T10] [ 8838.254436][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8838.254436][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8838.254436][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8838.254436][ T10] ipv6_find_idev+0x102/0x170 [ 8838.254436][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8838.254436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8838.254436][ T10] netlink_rcv_skb+0x130/0x360 [ 8838.254436][ T10] netlink_unicast+0x449/0x710 [ 8838.254436][ T10] netlink_sendmsg+0x723/0xbe0 [ 8838.254436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8838.254436][ T10] ___sys_sendmsg+0xee/0x170 [ 8838.254436][ T10] __sys_sendmsg+0xcd/0x170 [ 8838.254436][ T10] do_syscall_64+0xc6/0x1e0 [ 8838.254436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8838.254436][ T10] [ 8838.256136][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8838.256378][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8838.256378][ T10] netdev_get_by_index+0x5e/0x80 [ 8838.256378][ T10] fib6_nh_init+0x3d8/0x1580 [ 8838.256378][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8838.256378][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8838.256378][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8838.256378][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8838.256378][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8838.256378][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8838.256378][ T10] addrconf_dad_begin+0x310/0x670 [ 8838.256378][ T10] addrconf_dad_work+0x10b/0xab0 [ 8838.256378][ T10] process_one_work+0x84d/0x18a0 [ 8838.256378][ T10] worker_thread+0x587/0xd30 [ 8838.256378][ T10] kthread+0x28a/0x350 [ 8838.256378][ T10] ret_from_fork+0x31/0x70 [ 8838.256378][ T10] ret_from_fork_asm+0x1a/0x30 [ 8838.256378][ T10] [ 8838.258314][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8838.258314][ T10] netdev_get_by_index+0x5e/0x80 [ 8838.258314][ T10] fib6_nh_init+0x3d8/0x1580 [ 8838.258314][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8838.258314][ T10] ip6_route_add+0x1c/0x140 [ 8838.258314][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8838.258314][ T10] inet6_addr_add+0x4f8/0xa40 [ 8838.258314][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8838.258314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8838.258314][ T10] netlink_rcv_skb+0x130/0x360 [ 8838.258314][ T10] netlink_unicast+0x449/0x710 [ 8838.258314][ T10] netlink_sendmsg+0x723/0xbe0 [ 8838.258314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8838.258314][ T10] ___sys_sendmsg+0xee/0x170 [ 8838.258314][ T10] __sys_sendmsg+0xcd/0x170 [ 8838.258314][ T10] do_syscall_64+0xc6/0x1e0 [ 8838.258314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8838.258314][ T10] [ 8838.260531][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8838.260531][ T10] netdev_get_by_index+0x5e/0x80 [ 8838.260531][ T10] fib6_nh_init+0x3d8/0x1580 [ 8838.260531][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8838.260531][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8838.260531][ T10] ipv6_add_addr+0x411/0x2000 [ 8838.260531][ T10] inet6_addr_add+0x30e/0xa40 [ 8838.260531][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8838.260531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8838.260531][ T10] netlink_rcv_skb+0x130/0x360 [ 8838.260531][ T10] netlink_unicast+0x449/0x710 [ 8838.260531][ T10] netlink_sendmsg+0x723/0xbe0 [ 8838.260531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8838.260531][ T10] ___sys_sendmsg+0xee/0x170 [ 8838.260531][ T10] __sys_sendmsg+0xcd/0x170 [ 8838.260531][ T10] do_syscall_64+0xc6/0x1e0 [ 8838.260531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8838.260531][ T10] [ 8838.262844][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8838.262844][ T10] netdev_get_by_index+0x5e/0x80 [ 8838.262844][ T10] fib6_nh_init+0x3d8/0x1580 [ 8838.262844][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8838.262844][ T10] ip6_route_add+0x1c/0x140 [ 8838.262844][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8838.262844][ T10] addrconf_add_dev+0xe2/0x170 [ 8838.262844][ T10] inet6_addr_add+0x12f/0xa40 [ 8838.262844][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8838.262844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8838.262844][ T10] netlink_rcv_skb+0x130/0x360 [ 8838.262844][ T10] netlink_unicast+0x449/0x710 [ 8838.262844][ T10] netlink_sendmsg+0x723/0xbe0 [ 8838.262844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8838.262844][ T10] ___sys_sendmsg+0xee/0x170 [ 8838.262844][ T10] __sys_sendmsg+0xcd/0x170 [ 8838.262844][ T10] do_syscall_64+0xc6/0x1e0 [ 8838.262844][ T10] [ 8838.265005][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8838.265005][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8838.265005][ T10] ipv6_find_idev+0x102/0x170 [ 8838.265005][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8838.265005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8838.265005][ T10] netlink_rcv_skb+0x130/0x360 [ 8838.265005][ T10] netlink_unicast+0x449/0x710 [ 8838.265005][ T10] netlink_sendmsg+0x723/0xbe0 [ 8838.265005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8838.265005][ T10] ___sys_sendmsg+0xee/0x170 [ 8838.265005][ T10] __sys_sendmsg+0xcd/0x170 [ 8838.265005][ T10] do_syscall_64+0xc6/0x1e0 [ 8838.265005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8838.265005][ T10] [ 8838.266749][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8838.266749][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8838.266749][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8838.266749][ T10] ipv6_find_idev+0x102/0x170 [ 8838.266749][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8838.266749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8838.266749][ T10] netlink_rcv_skb+0x130/0x360 [ 8838.266749][ T10] netlink_unicast+0x449/0x710 [ 8838.266749][ T10] netlink_sendmsg+0x723/0xbe0 [ 8838.266749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8838.266749][ T10] ___sys_sendmsg+0xee/0x170 [ 8838.266749][ T10] __sys_sendmsg+0xcd/0x170 [ 8838.266749][ T10] do_syscall_64+0xc6/0x1e0 [ 8838.266749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8838.266749][ T10] [ 8838.268691][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8838.268931][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8838.268931][ T10] netdev_get_by_index+0x5e/0x80 [ 8838.268931][ T10] fib6_nh_init+0x3d8/0x1580 [ 8838.268931][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8838.268931][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8838.268931][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8838.268931][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8838.268931][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8838.268931][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8838.268931][ T10] addrconf_dad_begin+0x310/0x670 [ 8838.268931][ T10] addrconf_dad_work+0x10b/0xab0 [ 8838.268931][ T10] process_one_work+0x84d/0x18a0 [ 8838.268931][ T10] worker_thread+0x587/0xd30 [ 8838.268931][ T10] kthread+0x28a/0x350 [ 8838.268931][ T10] ret_from_fork+0x31/0x70 [ 8838.268931][ T10] ret_from_fork_asm+0x1a/0x30 [ 8838.268931][ T10] [ 8838.271158][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8838.271158][ T10] netdev_get_by_index+0x5e/0x80 [ 8838.271158][ T10] fib6_nh_init+0x3d8/0x1580 [ 8838.271158][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8838.271158][ T10] ip6_route_add+0x1c/0x140 [ 8838.271158][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8838.271158][ T10] inet6_addr_add+0x4f8/0xa40 [ 8838.271158][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8838.271158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8838.271158][ T10] netlink_rcv_skb+0x130/0x360 [ 8838.271158][ T10] netlink_unicast+0x449/0x710 [ 8838.271158][ T10] netlink_sendmsg+0x723/0xbe0 [ 8838.271158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8838.271158][ T10] ___sys_sendmsg+0xee/0x170 [ 8838.271158][ T10] __sys_sendmsg+0xcd/0x170 [ 8838.271158][ T10] do_syscall_64+0xc6/0x1e0 [ 8838.271158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8838.271158][ T10] [ 8838.273356][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8838.273356][ T10] netdev_get_by_index+0x5e/0x80 [ 8838.273356][ T10] fib6_nh_init+0x3d8/0x1580 [ 8838.273356][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8838.273356][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8838.273356][ T10] ipv6_add_addr+0x411/0x2000 [ 8838.273356][ T10] inet6_addr_add+0x30e/0xa40 [ 8838.273356][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8838.273356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8838.273356][ T10] netlink_rcv_skb+0x130/0x360 [ 8838.273356][ T10] netlink_unicast+0x449/0x710 [ 8838.273356][ T10] netlink_sendmsg+0x723/0xbe0 [ 8838.273356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8838.273356][ T10] ___sys_sendmsg+0xee/0x170 [ 8838.273356][ T10] __sys_sendmsg+0xcd/0x170 [ 8838.273356][ T10] do_syscall_64+0xc6/0x1e0 [ 8838.273356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8838.273356][ T10] [ 8838.275630][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8838.275630][ T10] netdev_get_by_index+0x5e/0x80 [ 8838.275630][ T10] fib6_nh_init+0x3d8/0x1580 [ 8838.275630][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8838.275630][ T10] ip6_route_add+0x1c/0x140 [ 8838.275630][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8838.275630][ T10] addrconf_add_dev+0xe2/0x170 [ 8838.275630][ T10] inet6_addr_add+0x12f/0xa40 [ 8838.275630][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8838.275630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8838.275630][ T10] netlink_rcv_skb+0x130/0x360 [ 8838.275630][ T10] netlink_unicast+0x449/0x710 [ 8838.275630][ T10] netlink_sendmsg+0x723/0xbe0 [ 8838.275630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8838.275630][ T10] ___sys_sendmsg+0xee/0x170 [ 8838.275630][ T10] __sys_sendmsg+0xcd/0x170 [ 8838.275630][ T10] do_syscall_64+0xc6/0x1e0 [ 8838.275630][ T10] [ 8838.277874][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8838.277874][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8838.277874][ T10] ipv6_find_idev+0x102/0x170 [ 8838.277874][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8838.277874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8838.277874][ T10] netlink_rcv_skb+0x130/0x360 [ 8838.277874][ T10] netlink_unicast+0x449/0x710 [ 8838.277874][ T10] netlink_sendmsg+0x723/0xbe0 [ 8838.277874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8838.277874][ T10] ___sys_sendmsg+0xee/0x170 [ 8838.277874][ T10] __sys_sendmsg+0xcd/0x170 [ 8838.277874][ T10] do_syscall_64+0xc6/0x1e0 [ 8838.277874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8838.277874][ T10] [ 8838.279615][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8838.279615][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8838.279615][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8838.279615][ T10] ipv6_find_idev+0x102/0x170 [ 8838.279615][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8838.279615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8838.279615][ T10] netlink_rcv_skb+0x130/0x360 [ 8838.279615][ T10] netlink_unicast+0x449/0x710 [ 8838.279615][ T10] netlink_sendmsg+0x723/0xbe0 [ 8838.279615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8838.279615][ T10] ___sys_sendmsg+0xee/0x170 [ 8838.279615][ T10] __sys_sendmsg+0xcd/0x170 [ 8838.279615][ T10] do_syscall_64+0xc6/0x1e0 [ 8838.279615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8838.279615][ T10] [ 8846.417048][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8846.417527][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8846.417527][ T1167] dst_init+0x84/0x4a0 [ 8846.417527][ T1167] dst_alloc+0x97/0x150 [ 8846.417527][ T1167] ip6_dst_alloc+0x23/0x90 [ 8846.417527][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8846.417527][ T1167] ip6_pol_route+0x56f/0x840 [ 8846.417527][ T1167] fib6_rule_lookup+0x334/0x630 [ 8846.417527][ T1167] ip6_route_output_flags+0x259/0x480 [ 8846.417527][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8846.417527][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8846.417527][ T1167] netlink_rcv_skb+0x130/0x360 [ 8846.417527][ T1167] netlink_unicast+0x449/0x710 [ 8846.417527][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8846.417527][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8846.417527][ T1167] ___sys_sendmsg+0xee/0x170 [ 8846.417527][ T1167] __sys_sendmsg+0xcd/0x170 [ 8846.417527][ T1167] do_syscall_64+0xc6/0x1e0 [ 8846.417527][ T1167] [ 8846.419722][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8846.419722][ T1167] netdev_get_by_index+0x5e/0x80 [ 8846.419722][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8846.419722][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8846.419722][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8846.419722][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8846.419722][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8846.419722][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8846.419722][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8846.419722][ T1167] addrconf_dad_begin+0x310/0x670 [ 8846.419722][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8846.419722][ T1167] process_one_work+0x84d/0x18a0 [ 8846.419722][ T1167] worker_thread+0x587/0xd30 [ 8846.419722][ T1167] kthread+0x28a/0x350 [ 8846.419722][ T1167] ret_from_fork+0x31/0x70 [ 8846.419722][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8846.419722][ T1167] [ 8846.421855][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8846.421855][ T1167] netdev_get_by_index+0x5e/0x80 [ 8846.421855][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8846.421855][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8846.421855][ T1167] ip6_route_add+0x1c/0x140 [ 8846.421855][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8846.421855][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8846.421855][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8846.421855][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8846.421855][ T1167] netlink_rcv_skb+0x130/0x360 [ 8846.421855][ T1167] netlink_unicast+0x449/0x710 [ 8846.421855][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8846.421855][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8846.421855][ T1167] ___sys_sendmsg+0xee/0x170 [ 8846.421855][ T1167] __sys_sendmsg+0xcd/0x170 [ 8846.421855][ T1167] do_syscall_64+0xc6/0x1e0 [ 8846.421855][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8846.421855][ T1167] [ 8846.424089][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8846.424089][ T1167] netdev_get_by_index+0x5e/0x80 [ 8846.424089][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8846.424089][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8846.424089][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8846.424089][ T1167] ipv6_add_addr+0x411/0x2000 [ 8846.424089][ T1167] inet6_addr_add+0x30e/0xa40 [ 8846.424089][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8846.424089][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8846.424089][ T1167] netlink_rcv_skb+0x130/0x360 [ 8846.424089][ T1167] netlink_unicast+0x449/0x710 [ 8846.424089][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8846.424089][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8846.424089][ T1167] ___sys_sendmsg+0xee/0x170 [ 8846.424089][ T1167] __sys_sendmsg+0xcd/0x170 [ 8846.424089][ T1167] do_syscall_64+0xc6/0x1e0 [ 8846.424089][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8846.424089][ T1167] [ 8846.426323][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8846.426323][ T1167] netdev_get_by_index+0x5e/0x80 [ 8846.426323][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8846.426323][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8846.426323][ T1167] ip6_route_add+0x1c/0x140 [ 8846.426323][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8846.426323][ T1167] addrconf_add_dev+0xe2/0x170 [ 8846.426323][ T1167] inet6_addr_add+0x12f/0xa40 [ 8846.426323][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8846.426323][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8846.426323][ T1167] netlink_rcv_skb+0x130/0x360 [ 8846.426323][ T1167] netlink_unicast+0x449/0x710 [ 8846.426323][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8846.426323][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8846.426323][ T1167] ___sys_sendmsg+0xee/0x170 [ 8846.426323][ T1167] __sys_sendmsg+0xcd/0x170 [ 8846.426323][ T1167] do_syscall_64+0xc6/0x1e0 [ 8846.426323][ T1167] [ 8846.428537][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8846.428537][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8846.428537][ T1167] ipv6_find_idev+0x102/0x170 [ 8846.428537][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8846.428537][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8846.428537][ T1167] netlink_rcv_skb+0x130/0x360 [ 8846.428537][ T1167] netlink_unicast+0x449/0x710 [ 8846.428537][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8846.428537][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8846.428537][ T1167] ___sys_sendmsg+0xee/0x170 [ 8846.428537][ T1167] __sys_sendmsg+0xcd/0x170 [ 8846.428537][ T1167] do_syscall_64+0xc6/0x1e0 [ 8846.428537][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8846.428537][ T1167] [ 8846.430265][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8846.430265][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8846.430265][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8846.430265][ T1167] ipv6_find_idev+0x102/0x170 [ 8846.430265][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8846.430265][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8846.430265][ T1167] netlink_rcv_skb+0x130/0x360 [ 8846.430265][ T1167] netlink_unicast+0x449/0x710 [ 8846.430265][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8846.430265][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8846.430265][ T1167] ___sys_sendmsg+0xee/0x170 [ 8846.430265][ T1167] __sys_sendmsg+0xcd/0x170 [ 8846.430265][ T1167] do_syscall_64+0xc6/0x1e0 [ 8846.430265][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8846.430265][ T1167] [ 8848.521124][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8848.521545][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8848.521545][ T10] netdev_get_by_index+0x5e/0x80 [ 8848.521545][ T10] fib6_nh_init+0x3d8/0x1580 [ 8848.521545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8848.521545][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8848.521545][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8848.521545][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8848.521545][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8848.521545][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8848.521545][ T10] addrconf_dad_begin+0x310/0x670 [ 8848.521545][ T10] addrconf_dad_work+0x10b/0xab0 [ 8848.521545][ T10] process_one_work+0x84d/0x18a0 [ 8848.521545][ T10] worker_thread+0x587/0xd30 [ 8848.521545][ T10] kthread+0x28a/0x350 [ 8848.521545][ T10] ret_from_fork+0x31/0x70 [ 8848.521545][ T10] ret_from_fork_asm+0x1a/0x30 [ 8848.521545][ T10] [ 8848.523496][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8848.523496][ T10] netdev_get_by_index+0x5e/0x80 [ 8848.523496][ T10] fib6_nh_init+0x3d8/0x1580 [ 8848.523496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8848.523496][ T10] ip6_route_add+0x1c/0x140 [ 8848.523496][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8848.523496][ T10] inet6_addr_add+0x4f8/0xa40 [ 8848.523496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8848.523496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.523496][ T10] netlink_rcv_skb+0x130/0x360 [ 8848.523496][ T10] netlink_unicast+0x449/0x710 [ 8848.523496][ T10] netlink_sendmsg+0x723/0xbe0 [ 8848.523496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8848.523496][ T10] ___sys_sendmsg+0xee/0x170 [ 8848.523496][ T10] __sys_sendmsg+0xcd/0x170 [ 8848.523496][ T10] do_syscall_64+0xc6/0x1e0 [ 8848.523496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8848.523496][ T10] [ 8848.525509][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8848.525509][ T10] netdev_get_by_index+0x5e/0x80 [ 8848.525509][ T10] fib6_nh_init+0x3d8/0x1580 [ 8848.525509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8848.525509][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8848.525509][ T10] ipv6_add_addr+0x411/0x2000 [ 8848.525509][ T10] inet6_addr_add+0x30e/0xa40 [ 8848.525509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8848.525509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.525509][ T10] netlink_rcv_skb+0x130/0x360 [ 8848.525509][ T10] netlink_unicast+0x449/0x710 [ 8848.525509][ T10] netlink_sendmsg+0x723/0xbe0 [ 8848.525509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8848.525509][ T10] ___sys_sendmsg+0xee/0x170 [ 8848.525509][ T10] __sys_sendmsg+0xcd/0x170 [ 8848.525509][ T10] do_syscall_64+0xc6/0x1e0 [ 8848.525509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8848.525509][ T10] [ 8848.527539][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8848.527539][ T10] netdev_get_by_index+0x5e/0x80 [ 8848.527539][ T10] fib6_nh_init+0x3d8/0x1580 [ 8848.527539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8848.527539][ T10] ip6_route_add+0x1c/0x140 [ 8848.527539][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8848.527539][ T10] addrconf_add_dev+0xe2/0x170 [ 8848.527539][ T10] inet6_addr_add+0x12f/0xa40 [ 8848.527539][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8848.527539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.527539][ T10] netlink_rcv_skb+0x130/0x360 [ 8848.527539][ T10] netlink_unicast+0x449/0x710 [ 8848.527539][ T10] netlink_sendmsg+0x723/0xbe0 [ 8848.527539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8848.527539][ T10] ___sys_sendmsg+0xee/0x170 [ 8848.527539][ T10] __sys_sendmsg+0xcd/0x170 [ 8848.527539][ T10] do_syscall_64+0xc6/0x1e0 [ 8848.527539][ T10] [ 8848.529515][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8848.529515][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8848.529515][ T10] ipv6_find_idev+0x102/0x170 [ 8848.529515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8848.529515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.529515][ T10] netlink_rcv_skb+0x130/0x360 [ 8848.529515][ T10] netlink_unicast+0x449/0x710 [ 8848.529515][ T10] netlink_sendmsg+0x723/0xbe0 [ 8848.529515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8848.529515][ T10] ___sys_sendmsg+0xee/0x170 [ 8848.529515][ T10] __sys_sendmsg+0xcd/0x170 [ 8848.529515][ T10] do_syscall_64+0xc6/0x1e0 [ 8848.529515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8848.529515][ T10] [ 8848.531062][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8848.531062][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8848.531062][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8848.531062][ T10] ipv6_find_idev+0x102/0x170 [ 8848.531062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8848.531062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.531062][ T10] netlink_rcv_skb+0x130/0x360 [ 8848.531062][ T10] netlink_unicast+0x449/0x710 [ 8848.531062][ T10] netlink_sendmsg+0x723/0xbe0 [ 8848.531062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8848.531062][ T10] ___sys_sendmsg+0xee/0x170 [ 8848.531062][ T10] __sys_sendmsg+0xcd/0x170 [ 8848.531062][ T10] do_syscall_64+0xc6/0x1e0 [ 8848.531062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8848.531062][ T10] [ 8848.532760][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8848.533005][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8848.533005][ T10] netdev_get_by_index+0x5e/0x80 [ 8848.533005][ T10] fib6_nh_init+0x3d8/0x1580 [ 8848.533005][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8848.533005][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8848.533005][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8848.533005][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8848.533005][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8848.533005][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8848.533005][ T10] addrconf_dad_begin+0x310/0x670 [ 8848.533005][ T10] addrconf_dad_work+0x10b/0xab0 [ 8848.533005][ T10] process_one_work+0x84d/0x18a0 [ 8848.533005][ T10] worker_thread+0x587/0xd30 [ 8848.533005][ T10] kthread+0x28a/0x350 [ 8848.533005][ T10] ret_from_fork+0x31/0x70 [ 8848.533005][ T10] ret_from_fork_asm+0x1a/0x30 [ 8848.533005][ T10] [ 8848.534925][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8848.534925][ T10] netdev_get_by_index+0x5e/0x80 [ 8848.534925][ T10] fib6_nh_init+0x3d8/0x1580 [ 8848.534925][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8848.534925][ T10] ip6_route_add+0x1c/0x140 [ 8848.534925][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8848.534925][ T10] inet6_addr_add+0x4f8/0xa40 [ 8848.534925][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8848.534925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.534925][ T10] netlink_rcv_skb+0x130/0x360 [ 8848.534925][ T10] netlink_unicast+0x449/0x710 [ 8848.534925][ T10] netlink_sendmsg+0x723/0xbe0 [ 8848.534925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8848.534925][ T10] ___sys_sendmsg+0xee/0x170 [ 8848.534925][ T10] __sys_sendmsg+0xcd/0x170 [ 8848.534925][ T10] do_syscall_64+0xc6/0x1e0 [ 8848.534925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8848.534925][ T10] [ 8848.536941][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8848.536941][ T10] netdev_get_by_index+0x5e/0x80 [ 8848.536941][ T10] fib6_nh_init+0x3d8/0x1580 [ 8848.536941][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8848.536941][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8848.536941][ T10] ipv6_add_addr+0x411/0x2000 [ 8848.536941][ T10] inet6_addr_add+0x30e/0xa40 [ 8848.536941][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8848.536941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.536941][ T10] netlink_rcv_skb+0x130/0x360 [ 8848.536941][ T10] netlink_unicast+0x449/0x710 [ 8848.536941][ T10] netlink_sendmsg+0x723/0xbe0 [ 8848.536941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8848.536941][ T10] ___sys_sendmsg+0xee/0x170 [ 8848.536941][ T10] __sys_sendmsg+0xcd/0x170 [ 8848.536941][ T10] do_syscall_64+0xc6/0x1e0 [ 8848.536941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8848.536941][ T10] [ 8848.538948][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8848.538948][ T10] netdev_get_by_index+0x5e/0x80 [ 8848.538948][ T10] fib6_nh_init+0x3d8/0x1580 [ 8848.538948][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8848.538948][ T10] ip6_route_add+0x1c/0x140 [ 8848.538948][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8848.538948][ T10] addrconf_add_dev+0xe2/0x170 [ 8848.538948][ T10] inet6_addr_add+0x12f/0xa40 [ 8848.538948][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8848.538948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.538948][ T10] netlink_rcv_skb+0x130/0x360 [ 8848.538948][ T10] netlink_unicast+0x449/0x710 [ 8848.538948][ T10] netlink_sendmsg+0x723/0xbe0 [ 8848.538948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8848.538948][ T10] ___sys_sendmsg+0xee/0x170 [ 8848.538948][ T10] __sys_sendmsg+0xcd/0x170 [ 8848.538948][ T10] do_syscall_64+0xc6/0x1e0 [ 8848.538948][ T10] [ 8848.540915][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8848.540915][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8848.540915][ T10] ipv6_find_idev+0x102/0x170 [ 8848.540915][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8848.540915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.540915][ T10] netlink_rcv_skb+0x130/0x360 [ 8848.540915][ T10] netlink_unicast+0x449/0x710 [ 8848.540915][ T10] netlink_sendmsg+0x723/0xbe0 [ 8848.540915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8848.540915][ T10] ___sys_sendmsg+0xee/0x170 [ 8848.540915][ T10] __sys_sendmsg+0xcd/0x170 [ 8848.540915][ T10] do_syscall_64+0xc6/0x1e0 [ 8848.540915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8848.540915][ T10] [ 8848.542456][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8848.542456][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8848.542456][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8848.542456][ T10] ipv6_find_idev+0x102/0x170 [ 8848.542456][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8848.542456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.542456][ T10] netlink_rcv_skb+0x130/0x360 [ 8848.542456][ T10] netlink_unicast+0x449/0x710 [ 8848.542456][ T10] netlink_sendmsg+0x723/0xbe0 [ 8848.542456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8848.542456][ T10] ___sys_sendmsg+0xee/0x170 [ 8848.542456][ T10] __sys_sendmsg+0xcd/0x170 [ 8848.542456][ T10] do_syscall_64+0xc6/0x1e0 [ 8848.542456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8848.542456][ T10] [ 8848.544153][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8848.544393][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8848.544393][ T10] netdev_get_by_index+0x5e/0x80 [ 8848.544393][ T10] fib6_nh_init+0x3d8/0x1580 [ 8848.544393][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8848.544393][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8848.544393][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8848.544393][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8848.544393][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8848.544393][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8848.544393][ T10] addrconf_dad_begin+0x310/0x670 [ 8848.544393][ T10] addrconf_dad_work+0x10b/0xab0 [ 8848.544393][ T10] process_one_work+0x84d/0x18a0 [ 8848.544393][ T10] worker_thread+0x587/0xd30 [ 8848.544393][ T10] kthread+0x28a/0x350 [ 8848.544393][ T10] ret_from_fork+0x31/0x70 [ 8848.544393][ T10] ret_from_fork_asm+0x1a/0x30 [ 8848.544393][ T10] [ 8848.546314][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8848.546314][ T10] netdev_get_by_index+0x5e/0x80 [ 8848.546314][ T10] fib6_nh_init+0x3d8/0x1580 [ 8848.546314][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8848.546314][ T10] ip6_route_add+0x1c/0x140 [ 8848.546314][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8848.546314][ T10] inet6_addr_add+0x4f8/0xa40 [ 8848.546314][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8848.546314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.546314][ T10] netlink_rcv_skb+0x130/0x360 [ 8848.546314][ T10] netlink_unicast+0x449/0x710 [ 8848.546314][ T10] netlink_sendmsg+0x723/0xbe0 [ 8848.546314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8848.546314][ T10] ___sys_sendmsg+0xee/0x170 [ 8848.546314][ T10] __sys_sendmsg+0xcd/0x170 [ 8848.546314][ T10] do_syscall_64+0xc6/0x1e0 [ 8848.546314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8848.546314][ T10] [ 8848.548509][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8848.548509][ T10] netdev_get_by_index+0x5e/0x80 [ 8848.548509][ T10] fib6_nh_init+0x3d8/0x1580 [ 8848.548509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8848.548509][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8848.548509][ T10] ipv6_add_addr+0x411/0x2000 [ 8848.548509][ T10] inet6_addr_add+0x30e/0xa40 [ 8848.548509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8848.548509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.548509][ T10] netlink_rcv_skb+0x130/0x360 [ 8848.548509][ T10] netlink_unicast+0x449/0x710 [ 8848.548509][ T10] netlink_sendmsg+0x723/0xbe0 [ 8848.548509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8848.548509][ T10] ___sys_sendmsg+0xee/0x170 [ 8848.548509][ T10] __sys_sendmsg+0xcd/0x170 [ 8848.548509][ T10] do_syscall_64+0xc6/0x1e0 [ 8848.548509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8848.548509][ T10] [ 8848.551325][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8848.551325][ T10] netdev_get_by_index+0x5e/0x80 [ 8848.551325][ T10] fib6_nh_init+0x3d8/0x1580 [ 8848.551325][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8848.551325][ T10] ip6_route_add+0x1c/0x140 [ 8848.551325][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8848.551325][ T10] addrconf_add_dev+0xe2/0x170 [ 8848.551325][ T10] inet6_addr_add+0x12f/0xa40 [ 8848.551325][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8848.551325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.551325][ T10] netlink_rcv_skb+0x130/0x360 [ 8848.551325][ T10] netlink_unicast+0x449/0x710 [ 8848.551325][ T10] netlink_sendmsg+0x723/0xbe0 [ 8848.551325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8848.551325][ T10] ___sys_sendmsg+0xee/0x170 [ 8848.551325][ T10] __sys_sendmsg+0xcd/0x170 [ 8848.551325][ T10] do_syscall_64+0xc6/0x1e0 [ 8848.551325][ T10] [ 8848.553485][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8848.553485][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8848.553485][ T10] ipv6_find_idev+0x102/0x170 [ 8848.553485][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8848.553485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.553485][ T10] netlink_rcv_skb+0x130/0x360 [ 8848.553485][ T10] netlink_unicast+0x449/0x710 [ 8848.553485][ T10] netlink_sendmsg+0x723/0xbe0 [ 8848.553485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8848.553485][ T10] ___sys_sendmsg+0xee/0x170 [ 8848.553485][ T10] __sys_sendmsg+0xcd/0x170 [ 8848.553485][ T10] do_syscall_64+0xc6/0x1e0 [ 8848.553485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8848.553485][ T10] [ 8848.555212][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8848.555212][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8848.555212][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8848.555212][ T10] ipv6_find_idev+0x102/0x170 [ 8848.555212][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8848.555212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.555212][ T10] netlink_rcv_skb+0x130/0x360 [ 8848.555212][ T10] netlink_unicast+0x449/0x710 [ 8848.555212][ T10] netlink_sendmsg+0x723/0xbe0 [ 8848.555212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8848.555212][ T10] ___sys_sendmsg+0xee/0x170 [ 8848.555212][ T10] __sys_sendmsg+0xcd/0x170 [ 8848.555212][ T10] do_syscall_64+0xc6/0x1e0 [ 8848.555212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8848.555212][ T10] [ 8848.557168][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8848.557409][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8848.557409][ T10] netdev_get_by_index+0x5e/0x80 [ 8848.557409][ T10] fib6_nh_init+0x3d8/0x1580 [ 8848.557409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8848.557409][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8848.557409][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8848.557409][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8848.557409][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8848.557409][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8848.557409][ T10] addrconf_dad_begin+0x310/0x670 [ 8848.557409][ T10] addrconf_dad_work+0x10b/0xab0 [ 8848.557409][ T10] process_one_work+0x84d/0x18a0 [ 8848.557409][ T10] worker_thread+0x587/0xd30 [ 8848.557409][ T10] kthread+0x28a/0x350 [ 8848.557409][ T10] ret_from_fork+0x31/0x70 [ 8848.557409][ T10] ret_from_fork_asm+0x1a/0x30 [ 8848.557409][ T10] [ 8848.559629][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8848.559629][ T10] netdev_get_by_index+0x5e/0x80 [ 8848.559629][ T10] fib6_nh_init+0x3d8/0x1580 [ 8848.559629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8848.559629][ T10] ip6_route_add+0x1c/0x140 [ 8848.559629][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8848.559629][ T10] inet6_addr_add+0x4f8/0xa40 [ 8848.559629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8848.559629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.559629][ T10] netlink_rcv_skb+0x130/0x360 [ 8848.559629][ T10] netlink_unicast+0x449/0x710 [ 8848.559629][ T10] netlink_sendmsg+0x723/0xbe0 [ 8848.559629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8848.559629][ T10] ___sys_sendmsg+0xee/0x170 [ 8848.559629][ T10] __sys_sendmsg+0xcd/0x170 [ 8848.559629][ T10] do_syscall_64+0xc6/0x1e0 [ 8848.559629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8848.559629][ T10] [ 8848.561807][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8848.561807][ T10] netdev_get_by_index+0x5e/0x80 [ 8848.561807][ T10] fib6_nh_init+0x3d8/0x1580 [ 8848.561807][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8848.561807][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8848.561807][ T10] ipv6_add_addr+0x411/0x2000 [ 8848.561807][ T10] inet6_addr_add+0x30e/0xa40 [ 8848.561807][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8848.561807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.561807][ T10] netlink_rcv_skb+0x130/0x360 [ 8848.561807][ T10] netlink_unicast+0x449/0x710 [ 8848.561807][ T10] netlink_sendmsg+0x723/0xbe0 [ 8848.561807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8848.561807][ T10] ___sys_sendmsg+0xee/0x170 [ 8848.561807][ T10] __sys_sendmsg+0xcd/0x170 [ 8848.561807][ T10] do_syscall_64+0xc6/0x1e0 [ 8848.561807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8848.561807][ T10] [ 8848.564058][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8848.564058][ T10] netdev_get_by_index+0x5e/0x80 [ 8848.564058][ T10] fib6_nh_init+0x3d8/0x1580 [ 8848.564058][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8848.564058][ T10] ip6_route_add+0x1c/0x140 [ 8848.564058][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8848.564058][ T10] addrconf_add_dev+0xe2/0x170 [ 8848.564058][ T10] inet6_addr_add+0x12f/0xa40 [ 8848.564058][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8848.564058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.564058][ T10] netlink_rcv_skb+0x130/0x360 [ 8848.564058][ T10] netlink_unicast+0x449/0x710 [ 8848.564058][ T10] netlink_sendmsg+0x723/0xbe0 [ 8848.564058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8848.564058][ T10] ___sys_sendmsg+0xee/0x170 [ 8848.564058][ T10] __sys_sendmsg+0xcd/0x170 [ 8848.564058][ T10] do_syscall_64+0xc6/0x1e0 [ 8848.564058][ T10] [ 8848.566260][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8848.566260][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8848.566260][ T10] ipv6_find_idev+0x102/0x170 [ 8848.566260][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8848.566260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.566260][ T10] netlink_rcv_skb+0x130/0x360 [ 8848.566260][ T10] netlink_unicast+0x449/0x710 [ 8848.566260][ T10] netlink_sendmsg+0x723/0xbe0 [ 8848.566260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8848.566260][ T10] ___sys_sendmsg+0xee/0x170 [ 8848.566260][ T10] __sys_sendmsg+0xcd/0x170 [ 8848.566260][ T10] do_syscall_64+0xc6/0x1e0 [ 8848.566260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8848.566260][ T10] [ 8848.567996][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8848.567996][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8848.567996][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8848.567996][ T10] ipv6_find_idev+0x102/0x170 [ 8848.567996][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8848.567996][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.567996][ T10] netlink_rcv_skb+0x130/0x360 [ 8848.567996][ T10] netlink_unicast+0x449/0x710 [ 8848.567996][ T10] netlink_sendmsg+0x723/0xbe0 [ 8848.567996][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8848.567996][ T10] ___sys_sendmsg+0xee/0x170 [ 8848.567996][ T10] __sys_sendmsg+0xcd/0x170 [ 8848.567996][ T10] do_syscall_64+0xc6/0x1e0 [ 8848.567996][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8848.567996][ T10] [ 8856.673102][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8856.673587][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8856.673587][ T1167] dst_init+0x84/0x4a0 [ 8856.673587][ T1167] dst_alloc+0x97/0x150 [ 8856.673587][ T1167] ip6_dst_alloc+0x23/0x90 [ 8856.673587][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8856.673587][ T1167] ip6_pol_route+0x56f/0x840 [ 8856.673587][ T1167] fib6_rule_lookup+0x334/0x630 [ 8856.673587][ T1167] ip6_route_output_flags+0x259/0x480 [ 8856.673587][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8856.673587][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8856.673587][ T1167] netlink_rcv_skb+0x130/0x360 [ 8856.673587][ T1167] netlink_unicast+0x449/0x710 [ 8856.673587][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8856.673587][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8856.673587][ T1167] ___sys_sendmsg+0xee/0x170 [ 8856.673587][ T1167] __sys_sendmsg+0xcd/0x170 [ 8856.673587][ T1167] do_syscall_64+0xc6/0x1e0 [ 8856.673587][ T1167] [ 8856.675784][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8856.675784][ T1167] netdev_get_by_index+0x5e/0x80 [ 8856.675784][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8856.675784][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8856.675784][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8856.675784][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8856.675784][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8856.675784][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8856.675784][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8856.675784][ T1167] addrconf_dad_begin+0x310/0x670 [ 8856.675784][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8856.675784][ T1167] process_one_work+0x84d/0x18a0 [ 8856.675784][ T1167] worker_thread+0x587/0xd30 [ 8856.675784][ T1167] kthread+0x28a/0x350 [ 8856.675784][ T1167] ret_from_fork+0x31/0x70 [ 8856.675784][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8856.675784][ T1167] [ 8856.677937][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8856.677937][ T1167] netdev_get_by_index+0x5e/0x80 [ 8856.677937][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8856.677937][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8856.677937][ T1167] ip6_route_add+0x1c/0x140 [ 8856.677937][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8856.677937][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8856.677937][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8856.677937][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8856.677937][ T1167] netlink_rcv_skb+0x130/0x360 [ 8856.677937][ T1167] netlink_unicast+0x449/0x710 [ 8856.677937][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8856.677937][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8856.677937][ T1167] ___sys_sendmsg+0xee/0x170 [ 8856.677937][ T1167] __sys_sendmsg+0xcd/0x170 [ 8856.677937][ T1167] do_syscall_64+0xc6/0x1e0 [ 8856.677937][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8856.677937][ T1167] [ 8856.680173][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8856.680173][ T1167] netdev_get_by_index+0x5e/0x80 [ 8856.680173][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8856.680173][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8856.680173][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8856.680173][ T1167] ipv6_add_addr+0x411/0x2000 [ 8856.680173][ T1167] inet6_addr_add+0x30e/0xa40 [ 8856.680173][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8856.680173][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8856.680173][ T1167] netlink_rcv_skb+0x130/0x360 [ 8856.680173][ T1167] netlink_unicast+0x449/0x710 [ 8856.680173][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8856.680173][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8856.680173][ T1167] ___sys_sendmsg+0xee/0x170 [ 8856.680173][ T1167] __sys_sendmsg+0xcd/0x170 [ 8856.680173][ T1167] do_syscall_64+0xc6/0x1e0 [ 8856.680173][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8856.680173][ T1167] [ 8856.682406][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8856.682406][ T1167] netdev_get_by_index+0x5e/0x80 [ 8856.682406][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8856.682406][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8856.682406][ T1167] ip6_route_add+0x1c/0x140 [ 8856.682406][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8856.682406][ T1167] addrconf_add_dev+0xe2/0x170 [ 8856.682406][ T1167] inet6_addr_add+0x12f/0xa40 [ 8856.682406][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8856.682406][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8856.682406][ T1167] netlink_rcv_skb+0x130/0x360 [ 8856.682406][ T1167] netlink_unicast+0x449/0x710 [ 8856.682406][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8856.682406][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8856.682406][ T1167] ___sys_sendmsg+0xee/0x170 [ 8856.682406][ T1167] __sys_sendmsg+0xcd/0x170 [ 8856.682406][ T1167] do_syscall_64+0xc6/0x1e0 [ 8856.682406][ T1167] [ 8856.684603][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8856.684603][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8856.684603][ T1167] ipv6_find_idev+0x102/0x170 [ 8856.684603][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8856.684603][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8856.684603][ T1167] netlink_rcv_skb+0x130/0x360 [ 8856.684603][ T1167] netlink_unicast+0x449/0x710 [ 8856.684603][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8856.684603][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8856.684603][ T1167] ___sys_sendmsg+0xee/0x170 [ 8856.684603][ T1167] __sys_sendmsg+0xcd/0x170 [ 8856.684603][ T1167] do_syscall_64+0xc6/0x1e0 [ 8856.684603][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8856.684603][ T1167] [ 8856.686326][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8856.686326][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8856.686326][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8856.686326][ T1167] ipv6_find_idev+0x102/0x170 [ 8856.686326][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8856.686326][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8856.686326][ T1167] netlink_rcv_skb+0x130/0x360 [ 8856.686326][ T1167] netlink_unicast+0x449/0x710 [ 8856.686326][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8856.686326][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8856.686326][ T1167] ___sys_sendmsg+0xee/0x170 [ 8856.686326][ T1167] __sys_sendmsg+0xcd/0x170 [ 8856.686326][ T1167] do_syscall_64+0xc6/0x1e0 [ 8856.686326][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8856.686326][ T1167] [ 8858.809033][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8858.809432][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8858.809432][ T10] netdev_get_by_index+0x5e/0x80 [ 8858.809432][ T10] fib6_nh_init+0x3d8/0x1580 [ 8858.809432][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8858.809432][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8858.809432][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8858.809432][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8858.809432][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8858.809432][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8858.809432][ T10] addrconf_dad_begin+0x310/0x670 [ 8858.809432][ T10] addrconf_dad_work+0x10b/0xab0 [ 8858.809432][ T10] process_one_work+0x84d/0x18a0 [ 8858.809432][ T10] worker_thread+0x587/0xd30 [ 8858.809432][ T10] kthread+0x28a/0x350 [ 8858.809432][ T10] ret_from_fork+0x31/0x70 [ 8858.809432][ T10] ret_from_fork_asm+0x1a/0x30 [ 8858.809432][ T10] [ 8858.811370][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8858.811370][ T10] netdev_get_by_index+0x5e/0x80 [ 8858.811370][ T10] fib6_nh_init+0x3d8/0x1580 [ 8858.811370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8858.811370][ T10] ip6_route_add+0x1c/0x140 [ 8858.811370][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8858.811370][ T10] inet6_addr_add+0x4f8/0xa40 [ 8858.811370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8858.811370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.811370][ T10] netlink_rcv_skb+0x130/0x360 [ 8858.811370][ T10] netlink_unicast+0x449/0x710 [ 8858.811370][ T10] netlink_sendmsg+0x723/0xbe0 [ 8858.811370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8858.811370][ T10] ___sys_sendmsg+0xee/0x170 [ 8858.811370][ T10] __sys_sendmsg+0xcd/0x170 [ 8858.811370][ T10] do_syscall_64+0xc6/0x1e0 [ 8858.811370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8858.811370][ T10] [ 8858.813372][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8858.813372][ T10] netdev_get_by_index+0x5e/0x80 [ 8858.813372][ T10] fib6_nh_init+0x3d8/0x1580 [ 8858.813372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8858.813372][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8858.813372][ T10] ipv6_add_addr+0x411/0x2000 [ 8858.813372][ T10] inet6_addr_add+0x30e/0xa40 [ 8858.813372][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8858.813372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.813372][ T10] netlink_rcv_skb+0x130/0x360 [ 8858.813372][ T10] netlink_unicast+0x449/0x710 [ 8858.813372][ T10] netlink_sendmsg+0x723/0xbe0 [ 8858.813372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8858.813372][ T10] ___sys_sendmsg+0xee/0x170 [ 8858.813372][ T10] __sys_sendmsg+0xcd/0x170 [ 8858.813372][ T10] do_syscall_64+0xc6/0x1e0 [ 8858.813372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8858.813372][ T10] [ 8858.815381][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8858.815381][ T10] netdev_get_by_index+0x5e/0x80 [ 8858.815381][ T10] fib6_nh_init+0x3d8/0x1580 [ 8858.815381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8858.815381][ T10] ip6_route_add+0x1c/0x140 [ 8858.815381][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8858.815381][ T10] addrconf_add_dev+0xe2/0x170 [ 8858.815381][ T10] inet6_addr_add+0x12f/0xa40 [ 8858.815381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8858.815381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.815381][ T10] netlink_rcv_skb+0x130/0x360 [ 8858.815381][ T10] netlink_unicast+0x449/0x710 [ 8858.815381][ T10] netlink_sendmsg+0x723/0xbe0 [ 8858.815381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8858.815381][ T10] ___sys_sendmsg+0xee/0x170 [ 8858.815381][ T10] __sys_sendmsg+0xcd/0x170 [ 8858.815381][ T10] do_syscall_64+0xc6/0x1e0 [ 8858.815381][ T10] [ 8858.817357][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8858.817357][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8858.817357][ T10] ipv6_find_idev+0x102/0x170 [ 8858.817357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8858.817357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.817357][ T10] netlink_rcv_skb+0x130/0x360 [ 8858.817357][ T10] netlink_unicast+0x449/0x710 [ 8858.817357][ T10] netlink_sendmsg+0x723/0xbe0 [ 8858.817357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8858.817357][ T10] ___sys_sendmsg+0xee/0x170 [ 8858.817357][ T10] __sys_sendmsg+0xcd/0x170 [ 8858.817357][ T10] do_syscall_64+0xc6/0x1e0 [ 8858.817357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8858.817357][ T10] [ 8858.819002][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8858.819002][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8858.819002][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8858.819002][ T10] ipv6_find_idev+0x102/0x170 [ 8858.819002][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8858.819002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.819002][ T10] netlink_rcv_skb+0x130/0x360 [ 8858.819002][ T10] netlink_unicast+0x449/0x710 [ 8858.819002][ T10] netlink_sendmsg+0x723/0xbe0 [ 8858.819002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8858.819002][ T10] ___sys_sendmsg+0xee/0x170 [ 8858.819002][ T10] __sys_sendmsg+0xcd/0x170 [ 8858.819002][ T10] do_syscall_64+0xc6/0x1e0 [ 8858.819002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8858.819002][ T10] [ 8858.820697][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8858.820937][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8858.820937][ T10] netdev_get_by_index+0x5e/0x80 [ 8858.820937][ T10] fib6_nh_init+0x3d8/0x1580 [ 8858.820937][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8858.820937][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8858.820937][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8858.820937][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8858.820937][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8858.820937][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8858.820937][ T10] addrconf_dad_begin+0x310/0x670 [ 8858.820937][ T10] addrconf_dad_work+0x10b/0xab0 [ 8858.820937][ T10] process_one_work+0x84d/0x18a0 [ 8858.820937][ T10] worker_thread+0x587/0xd30 [ 8858.820937][ T10] kthread+0x28a/0x350 [ 8858.820937][ T10] ret_from_fork+0x31/0x70 [ 8858.820937][ T10] ret_from_fork_asm+0x1a/0x30 [ 8858.820937][ T10] [ 8858.822843][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8858.822843][ T10] netdev_get_by_index+0x5e/0x80 [ 8858.822843][ T10] fib6_nh_init+0x3d8/0x1580 [ 8858.822843][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8858.822843][ T10] ip6_route_add+0x1c/0x140 [ 8858.822843][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8858.822843][ T10] inet6_addr_add+0x4f8/0xa40 [ 8858.822843][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8858.822843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.822843][ T10] netlink_rcv_skb+0x130/0x360 [ 8858.822843][ T10] netlink_unicast+0x449/0x710 [ 8858.822843][ T10] netlink_sendmsg+0x723/0xbe0 [ 8858.822843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8858.822843][ T10] ___sys_sendmsg+0xee/0x170 [ 8858.822843][ T10] __sys_sendmsg+0xcd/0x170 [ 8858.822843][ T10] do_syscall_64+0xc6/0x1e0 [ 8858.822843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8858.822843][ T10] [ 8858.824848][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8858.824848][ T10] netdev_get_by_index+0x5e/0x80 [ 8858.824848][ T10] fib6_nh_init+0x3d8/0x1580 [ 8858.824848][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8858.824848][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8858.824848][ T10] ipv6_add_addr+0x411/0x2000 [ 8858.824848][ T10] inet6_addr_add+0x30e/0xa40 [ 8858.824848][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8858.824848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.824848][ T10] netlink_rcv_skb+0x130/0x360 [ 8858.824848][ T10] netlink_unicast+0x449/0x710 [ 8858.824848][ T10] netlink_sendmsg+0x723/0xbe0 [ 8858.824848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8858.824848][ T10] ___sys_sendmsg+0xee/0x170 [ 8858.824848][ T10] __sys_sendmsg+0xcd/0x170 [ 8858.824848][ T10] do_syscall_64+0xc6/0x1e0 [ 8858.824848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8858.824848][ T10] [ 8858.826851][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8858.826851][ T10] netdev_get_by_index+0x5e/0x80 [ 8858.826851][ T10] fib6_nh_init+0x3d8/0x1580 [ 8858.826851][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8858.826851][ T10] ip6_route_add+0x1c/0x140 [ 8858.826851][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8858.826851][ T10] addrconf_add_dev+0xe2/0x170 [ 8858.826851][ T10] inet6_addr_add+0x12f/0xa40 [ 8858.826851][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8858.826851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.826851][ T10] netlink_rcv_skb+0x130/0x360 [ 8858.826851][ T10] netlink_unicast+0x449/0x710 [ 8858.826851][ T10] netlink_sendmsg+0x723/0xbe0 [ 8858.826851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8858.826851][ T10] ___sys_sendmsg+0xee/0x170 [ 8858.826851][ T10] __sys_sendmsg+0xcd/0x170 [ 8858.826851][ T10] do_syscall_64+0xc6/0x1e0 [ 8858.826851][ T10] [ 8858.828806][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8858.828806][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8858.828806][ T10] ipv6_find_idev+0x102/0x170 [ 8858.828806][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8858.828806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.828806][ T10] netlink_rcv_skb+0x130/0x360 [ 8858.828806][ T10] netlink_unicast+0x449/0x710 [ 8858.828806][ T10] netlink_sendmsg+0x723/0xbe0 [ 8858.828806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8858.828806][ T10] ___sys_sendmsg+0xee/0x170 [ 8858.828806][ T10] __sys_sendmsg+0xcd/0x170 [ 8858.828806][ T10] do_syscall_64+0xc6/0x1e0 [ 8858.828806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8858.828806][ T10] [ 8858.830340][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8858.830340][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8858.830340][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8858.830340][ T10] ipv6_find_idev+0x102/0x170 [ 8858.830340][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8858.830340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.830340][ T10] netlink_rcv_skb+0x130/0x360 [ 8858.830340][ T10] netlink_unicast+0x449/0x710 [ 8858.830340][ T10] netlink_sendmsg+0x723/0xbe0 [ 8858.830340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8858.830340][ T10] ___sys_sendmsg+0xee/0x170 [ 8858.830340][ T10] __sys_sendmsg+0xcd/0x170 [ 8858.830340][ T10] do_syscall_64+0xc6/0x1e0 [ 8858.830340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8858.830340][ T10] [ 8858.832031][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8858.832266][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8858.832266][ T10] netdev_get_by_index+0x5e/0x80 [ 8858.832266][ T10] fib6_nh_init+0x3d8/0x1580 [ 8858.832266][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8858.832266][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8858.832266][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8858.832266][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8858.832266][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8858.832266][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8858.832266][ T10] addrconf_dad_begin+0x310/0x670 [ 8858.832266][ T10] addrconf_dad_work+0x10b/0xab0 [ 8858.832266][ T10] process_one_work+0x84d/0x18a0 [ 8858.832266][ T10] worker_thread+0x587/0xd30 [ 8858.832266][ T10] kthread+0x28a/0x350 [ 8858.832266][ T10] ret_from_fork+0x31/0x70 [ 8858.832266][ T10] ret_from_fork_asm+0x1a/0x30 [ 8858.832266][ T10] [ 8858.834164][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8858.834164][ T10] netdev_get_by_index+0x5e/0x80 [ 8858.834164][ T10] fib6_nh_init+0x3d8/0x1580 [ 8858.834164][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8858.834164][ T10] ip6_route_add+0x1c/0x140 [ 8858.834164][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8858.834164][ T10] inet6_addr_add+0x4f8/0xa40 [ 8858.834164][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8858.834164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.834164][ T10] netlink_rcv_skb+0x130/0x360 [ 8858.834164][ T10] netlink_unicast+0x449/0x710 [ 8858.834164][ T10] netlink_sendmsg+0x723/0xbe0 [ 8858.834164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8858.834164][ T10] ___sys_sendmsg+0xee/0x170 [ 8858.834164][ T10] __sys_sendmsg+0xcd/0x170 [ 8858.834164][ T10] do_syscall_64+0xc6/0x1e0 [ 8858.834164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8858.834164][ T10] [ 8858.836334][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8858.836334][ T10] netdev_get_by_index+0x5e/0x80 [ 8858.836334][ T10] fib6_nh_init+0x3d8/0x1580 [ 8858.836334][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8858.836334][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8858.836334][ T10] ipv6_add_addr+0x411/0x2000 [ 8858.836334][ T10] inet6_addr_add+0x30e/0xa40 [ 8858.836334][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8858.836334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.836334][ T10] netlink_rcv_skb+0x130/0x360 [ 8858.836334][ T10] netlink_unicast+0x449/0x710 [ 8858.836334][ T10] netlink_sendmsg+0x723/0xbe0 [ 8858.836334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8858.836334][ T10] ___sys_sendmsg+0xee/0x170 [ 8858.836334][ T10] __sys_sendmsg+0xcd/0x170 [ 8858.836334][ T10] do_syscall_64+0xc6/0x1e0 [ 8858.836334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8858.836334][ T10] [ 8858.838646][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8858.838646][ T10] netdev_get_by_index+0x5e/0x80 [ 8858.838646][ T10] fib6_nh_init+0x3d8/0x1580 [ 8858.838646][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8858.838646][ T10] ip6_route_add+0x1c/0x140 [ 8858.838646][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8858.838646][ T10] addrconf_add_dev+0xe2/0x170 [ 8858.838646][ T10] inet6_addr_add+0x12f/0xa40 [ 8858.838646][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8858.838646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.838646][ T10] netlink_rcv_skb+0x130/0x360 [ 8858.838646][ T10] netlink_unicast+0x449/0x710 [ 8858.838646][ T10] netlink_sendmsg+0x723/0xbe0 [ 8858.838646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8858.838646][ T10] ___sys_sendmsg+0xee/0x170 [ 8858.838646][ T10] __sys_sendmsg+0xcd/0x170 [ 8858.838646][ T10] do_syscall_64+0xc6/0x1e0 [ 8858.838646][ T10] [ 8858.840777][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8858.840777][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8858.840777][ T10] ipv6_find_idev+0x102/0x170 [ 8858.840777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8858.840777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.840777][ T10] netlink_rcv_skb+0x130/0x360 [ 8858.840777][ T10] netlink_unicast+0x449/0x710 [ 8858.840777][ T10] netlink_sendmsg+0x723/0xbe0 [ 8858.840777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8858.840777][ T10] ___sys_sendmsg+0xee/0x170 [ 8858.840777][ T10] __sys_sendmsg+0xcd/0x170 [ 8858.840777][ T10] do_syscall_64+0xc6/0x1e0 [ 8858.840777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8858.840777][ T10] [ 8858.842495][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8858.842495][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8858.842495][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8858.842495][ T10] ipv6_find_idev+0x102/0x170 [ 8858.842495][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8858.842495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.842495][ T10] netlink_rcv_skb+0x130/0x360 [ 8858.842495][ T10] netlink_unicast+0x449/0x710 [ 8858.842495][ T10] netlink_sendmsg+0x723/0xbe0 [ 8858.842495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8858.842495][ T10] ___sys_sendmsg+0xee/0x170 [ 8858.842495][ T10] __sys_sendmsg+0xcd/0x170 [ 8858.842495][ T10] do_syscall_64+0xc6/0x1e0 [ 8858.842495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8858.842495][ T10] [ 8858.844591][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8858.844834][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8858.844834][ T10] netdev_get_by_index+0x5e/0x80 [ 8858.844834][ T10] fib6_nh_init+0x3d8/0x1580 [ 8858.844834][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8858.844834][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8858.844834][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8858.844834][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8858.844834][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8858.844834][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8858.844834][ T10] addrconf_dad_begin+0x310/0x670 [ 8858.844834][ T10] addrconf_dad_work+0x10b/0xab0 [ 8858.844834][ T10] process_one_work+0x84d/0x18a0 [ 8858.844834][ T10] worker_thread+0x587/0xd30 [ 8858.844834][ T10] kthread+0x28a/0x350 [ 8858.844834][ T10] ret_from_fork+0x31/0x70 [ 8858.844834][ T10] ret_from_fork_asm+0x1a/0x30 [ 8858.844834][ T10] [ 8858.847054][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8858.847054][ T10] netdev_get_by_index+0x5e/0x80 [ 8858.847054][ T10] fib6_nh_init+0x3d8/0x1580 [ 8858.847054][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8858.847054][ T10] ip6_route_add+0x1c/0x140 [ 8858.847054][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8858.847054][ T10] inet6_addr_add+0x4f8/0xa40 [ 8858.847054][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8858.847054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.847054][ T10] netlink_rcv_skb+0x130/0x360 [ 8858.847054][ T10] netlink_unicast+0x449/0x710 [ 8858.847054][ T10] netlink_sendmsg+0x723/0xbe0 [ 8858.847054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8858.847054][ T10] ___sys_sendmsg+0xee/0x170 [ 8858.847054][ T10] __sys_sendmsg+0xcd/0x170 [ 8858.847054][ T10] do_syscall_64+0xc6/0x1e0 [ 8858.847054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8858.847054][ T10] [ 8858.849229][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8858.849229][ T10] netdev_get_by_index+0x5e/0x80 [ 8858.849229][ T10] fib6_nh_init+0x3d8/0x1580 [ 8858.849229][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8858.849229][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8858.849229][ T10] ipv6_add_addr+0x411/0x2000 [ 8858.849229][ T10] inet6_addr_add+0x30e/0xa40 [ 8858.849229][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8858.849229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.849229][ T10] netlink_rcv_skb+0x130/0x360 [ 8858.849229][ T10] netlink_unicast+0x449/0x710 [ 8858.849229][ T10] netlink_sendmsg+0x723/0xbe0 [ 8858.849229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8858.849229][ T10] ___sys_sendmsg+0xee/0x170 [ 8858.849229][ T10] __sys_sendmsg+0xcd/0x170 [ 8858.849229][ T10] do_syscall_64+0xc6/0x1e0 [ 8858.849229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8858.849229][ T10] [ 8858.851464][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8858.851464][ T10] netdev_get_by_index+0x5e/0x80 [ 8858.851464][ T10] fib6_nh_init+0x3d8/0x1580 [ 8858.851464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8858.851464][ T10] ip6_route_add+0x1c/0x140 [ 8858.851464][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8858.851464][ T10] addrconf_add_dev+0xe2/0x170 [ 8858.851464][ T10] inet6_addr_add+0x12f/0xa40 [ 8858.851464][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8858.851464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.851464][ T10] netlink_rcv_skb+0x130/0x360 [ 8858.851464][ T10] netlink_unicast+0x449/0x710 [ 8858.851464][ T10] netlink_sendmsg+0x723/0xbe0 [ 8858.851464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8858.851464][ T10] ___sys_sendmsg+0xee/0x170 [ 8858.851464][ T10] __sys_sendmsg+0xcd/0x170 [ 8858.851464][ T10] do_syscall_64+0xc6/0x1e0 [ 8858.851464][ T10] [ 8858.853666][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8858.853666][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8858.853666][ T10] ipv6_find_idev+0x102/0x170 [ 8858.853666][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8858.853666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.853666][ T10] netlink_rcv_skb+0x130/0x360 [ 8858.853666][ T10] netlink_unicast+0x449/0x710 [ 8858.853666][ T10] netlink_sendmsg+0x723/0xbe0 [ 8858.853666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8858.853666][ T10] ___sys_sendmsg+0xee/0x170 [ 8858.853666][ T10] __sys_sendmsg+0xcd/0x170 [ 8858.853666][ T10] do_syscall_64+0xc6/0x1e0 [ 8858.853666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8858.853666][ T10] [ 8858.855371][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8858.855371][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8858.855371][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8858.855371][ T10] ipv6_find_idev+0x102/0x170 [ 8858.855371][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8858.855371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.855371][ T10] netlink_rcv_skb+0x130/0x360 [ 8858.855371][ T10] netlink_unicast+0x449/0x710 [ 8858.855371][ T10] netlink_sendmsg+0x723/0xbe0 [ 8858.855371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8858.855371][ T10] ___sys_sendmsg+0xee/0x170 [ 8858.855371][ T10] __sys_sendmsg+0xcd/0x170 [ 8858.855371][ T10] do_syscall_64+0xc6/0x1e0 [ 8858.855371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8858.855371][ T10] [ 8866.929034][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8866.929510][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8866.929510][ T1167] dst_init+0x84/0x4a0 [ 8866.929510][ T1167] dst_alloc+0x97/0x150 [ 8866.929510][ T1167] ip6_dst_alloc+0x23/0x90 [ 8866.929510][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8866.929510][ T1167] ip6_pol_route+0x56f/0x840 [ 8866.929510][ T1167] fib6_rule_lookup+0x334/0x630 [ 8866.929510][ T1167] ip6_route_output_flags+0x259/0x480 [ 8866.929510][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8866.929510][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8866.929510][ T1167] netlink_rcv_skb+0x130/0x360 [ 8866.929510][ T1167] netlink_unicast+0x449/0x710 [ 8866.929510][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8866.929510][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8866.929510][ T1167] ___sys_sendmsg+0xee/0x170 [ 8866.929510][ T1167] __sys_sendmsg+0xcd/0x170 [ 8866.929510][ T1167] do_syscall_64+0xc6/0x1e0 [ 8866.929510][ T1167] [ 8866.932271][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8866.932271][ T1167] netdev_get_by_index+0x5e/0x80 [ 8866.932271][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8866.932271][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8866.932271][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8866.932271][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8866.932271][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8866.932271][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8866.932271][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8866.932271][ T1167] addrconf_dad_begin+0x310/0x670 [ 8866.932271][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8866.932271][ T1167] process_one_work+0x84d/0x18a0 [ 8866.932271][ T1167] worker_thread+0x587/0xd30 [ 8866.932271][ T1167] kthread+0x28a/0x350 [ 8866.932271][ T1167] ret_from_fork+0x31/0x70 [ 8866.932271][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8866.932271][ T1167] [ 8866.934424][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8866.934424][ T1167] netdev_get_by_index+0x5e/0x80 [ 8866.934424][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8866.934424][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8866.934424][ T1167] ip6_route_add+0x1c/0x140 [ 8866.934424][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8866.934424][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8866.934424][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8866.934424][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8866.934424][ T1167] netlink_rcv_skb+0x130/0x360 [ 8866.934424][ T1167] netlink_unicast+0x449/0x710 [ 8866.934424][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8866.934424][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8866.934424][ T1167] ___sys_sendmsg+0xee/0x170 [ 8866.934424][ T1167] __sys_sendmsg+0xcd/0x170 [ 8866.934424][ T1167] do_syscall_64+0xc6/0x1e0 [ 8866.934424][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8866.934424][ T1167] [ 8866.936683][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8866.936683][ T1167] netdev_get_by_index+0x5e/0x80 [ 8866.936683][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8866.936683][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8866.936683][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8866.936683][ T1167] ipv6_add_addr+0x411/0x2000 [ 8866.936683][ T1167] inet6_addr_add+0x30e/0xa40 [ 8866.936683][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8866.936683][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8866.936683][ T1167] netlink_rcv_skb+0x130/0x360 [ 8866.936683][ T1167] netlink_unicast+0x449/0x710 [ 8866.936683][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8866.936683][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8866.936683][ T1167] ___sys_sendmsg+0xee/0x170 [ 8866.936683][ T1167] __sys_sendmsg+0xcd/0x170 [ 8866.936683][ T1167] do_syscall_64+0xc6/0x1e0 [ 8866.936683][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8866.936683][ T1167] [ 8866.938930][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8866.938930][ T1167] netdev_get_by_index+0x5e/0x80 [ 8866.938930][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8866.938930][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8866.938930][ T1167] ip6_route_add+0x1c/0x140 [ 8866.938930][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8866.938930][ T1167] addrconf_add_dev+0xe2/0x170 [ 8866.938930][ T1167] inet6_addr_add+0x12f/0xa40 [ 8866.938930][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8866.938930][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8866.938930][ T1167] netlink_rcv_skb+0x130/0x360 [ 8866.938930][ T1167] netlink_unicast+0x449/0x710 [ 8866.938930][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8866.938930][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8866.938930][ T1167] ___sys_sendmsg+0xee/0x170 [ 8866.938930][ T1167] __sys_sendmsg+0xcd/0x170 [ 8866.938930][ T1167] do_syscall_64+0xc6/0x1e0 [ 8866.938930][ T1167] [ 8866.941137][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8866.941137][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8866.941137][ T1167] ipv6_find_idev+0x102/0x170 [ 8866.941137][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8866.941137][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8866.941137][ T1167] netlink_rcv_skb+0x130/0x360 [ 8866.941137][ T1167] netlink_unicast+0x449/0x710 [ 8866.941137][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8866.941137][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8866.941137][ T1167] ___sys_sendmsg+0xee/0x170 [ 8866.941137][ T1167] __sys_sendmsg+0xcd/0x170 [ 8866.941137][ T1167] do_syscall_64+0xc6/0x1e0 [ 8866.941137][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8866.941137][ T1167] [ 8866.942866][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8866.942866][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8866.942866][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8866.942866][ T1167] ipv6_find_idev+0x102/0x170 [ 8866.942866][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8866.942866][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8866.942866][ T1167] netlink_rcv_skb+0x130/0x360 [ 8866.942866][ T1167] netlink_unicast+0x449/0x710 [ 8866.942866][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8866.942866][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8866.942866][ T1167] ___sys_sendmsg+0xee/0x170 [ 8866.942866][ T1167] __sys_sendmsg+0xcd/0x170 [ 8866.942866][ T1167] do_syscall_64+0xc6/0x1e0 [ 8866.942866][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8866.942866][ T1167] [ 8869.097026][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8869.097419][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8869.097419][ T10] netdev_get_by_index+0x5e/0x80 [ 8869.097419][ T10] fib6_nh_init+0x3d8/0x1580 [ 8869.097419][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8869.097419][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8869.097419][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8869.097419][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8869.097419][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8869.097419][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8869.097419][ T10] addrconf_dad_begin+0x310/0x670 [ 8869.097419][ T10] addrconf_dad_work+0x10b/0xab0 [ 8869.097419][ T10] process_one_work+0x84d/0x18a0 [ 8869.097419][ T10] worker_thread+0x587/0xd30 [ 8869.097419][ T10] kthread+0x28a/0x350 [ 8869.097419][ T10] ret_from_fork+0x31/0x70 [ 8869.097419][ T10] ret_from_fork_asm+0x1a/0x30 [ 8869.097419][ T10] [ 8869.099337][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8869.099337][ T10] netdev_get_by_index+0x5e/0x80 [ 8869.099337][ T10] fib6_nh_init+0x3d8/0x1580 [ 8869.099337][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8869.099337][ T10] ip6_route_add+0x1c/0x140 [ 8869.099337][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8869.099337][ T10] inet6_addr_add+0x4f8/0xa40 [ 8869.099337][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8869.099337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8869.099337][ T10] netlink_rcv_skb+0x130/0x360 [ 8869.099337][ T10] netlink_unicast+0x449/0x710 [ 8869.099337][ T10] netlink_sendmsg+0x723/0xbe0 [ 8869.099337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8869.099337][ T10] ___sys_sendmsg+0xee/0x170 [ 8869.099337][ T10] __sys_sendmsg+0xcd/0x170 [ 8869.099337][ T10] do_syscall_64+0xc6/0x1e0 [ 8869.099337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8869.099337][ T10] [ 8869.101346][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8869.101346][ T10] netdev_get_by_index+0x5e/0x80 [ 8869.101346][ T10] fib6_nh_init+0x3d8/0x1580 [ 8869.101346][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8869.101346][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8869.101346][ T10] ipv6_add_addr+0x411/0x2000 [ 8869.101346][ T10] inet6_addr_add+0x30e/0xa40 [ 8869.101346][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8869.101346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8869.101346][ T10] netlink_rcv_skb+0x130/0x360 [ 8869.101346][ T10] netlink_unicast+0x449/0x710 [ 8869.101346][ T10] netlink_sendmsg+0x723/0xbe0 [ 8869.101346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8869.101346][ T10] ___sys_sendmsg+0xee/0x170 [ 8869.101346][ T10] __sys_sendmsg+0xcd/0x170 [ 8869.101346][ T10] do_syscall_64+0xc6/0x1e0 [ 8869.101346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8869.101346][ T10] [ 8869.103332][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8869.103332][ T10] netdev_get_by_index+0x5e/0x80 [ 8869.103332][ T10] fib6_nh_init+0x3d8/0x1580 [ 8869.103332][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8869.103332][ T10] ip6_route_add+0x1c/0x140 [ 8869.103332][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8869.103332][ T10] addrconf_add_dev+0xe2/0x170 [ 8869.103332][ T10] inet6_addr_add+0x12f/0xa40 [ 8869.103332][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8869.103332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8869.103332][ T10] netlink_rcv_skb+0x130/0x360 [ 8869.103332][ T10] netlink_unicast+0x449/0x710 [ 8869.103332][ T10] netlink_sendmsg+0x723/0xbe0 [ 8869.103332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8869.103332][ T10] ___sys_sendmsg+0xee/0x170 [ 8869.103332][ T10] __sys_sendmsg+0xcd/0x170 [ 8869.103332][ T10] do_syscall_64+0xc6/0x1e0 [ 8869.103332][ T10] [ 8869.105290][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8869.105290][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8869.105290][ T10] ipv6_find_idev+0x102/0x170 [ 8869.105290][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8869.105290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8869.105290][ T10] netlink_rcv_skb+0x130/0x360 [ 8869.105290][ T10] netlink_unicast+0x449/0x710 [ 8869.105290][ T10] netlink_sendmsg+0x723/0xbe0 [ 8869.105290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8869.105290][ T10] ___sys_sendmsg+0xee/0x170 [ 8869.105290][ T10] __sys_sendmsg+0xcd/0x170 [ 8869.105290][ T10] do_syscall_64+0xc6/0x1e0 [ 8869.105290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8869.105290][ T10] [ 8869.106843][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8869.106843][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8869.106843][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8869.106843][ T10] ipv6_find_idev+0x102/0x170 [ 8869.106843][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8869.106843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8869.106843][ T10] netlink_rcv_skb+0x130/0x360 [ 8869.106843][ T10] netlink_unicast+0x449/0x710 [ 8869.106843][ T10] netlink_sendmsg+0x723/0xbe0 [ 8869.106843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8869.106843][ T10] ___sys_sendmsg+0xee/0x170 [ 8869.106843][ T10] __sys_sendmsg+0xcd/0x170 [ 8869.106843][ T10] do_syscall_64+0xc6/0x1e0 [ 8869.106843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8869.106843][ T10] [ 8869.108522][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8869.108764][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8869.108764][ T10] netdev_get_by_index+0x5e/0x80 [ 8869.108764][ T10] fib6_nh_init+0x3d8/0x1580 [ 8869.108764][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8869.108764][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8869.108764][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8869.108764][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8869.108764][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8869.108764][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8869.108764][ T10] addrconf_dad_begin+0x310/0x670 [ 8869.108764][ T10] addrconf_dad_work+0x10b/0xab0 [ 8869.108764][ T10] process_one_work+0x84d/0x18a0 [ 8869.108764][ T10] worker_thread+0x587/0xd30 [ 8869.108764][ T10] kthread+0x28a/0x350 [ 8869.108764][ T10] ret_from_fork+0x31/0x70 [ 8869.108764][ T10] ret_from_fork_asm+0x1a/0x30 [ 8869.108764][ T10] [ 8869.110690][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8869.110690][ T10] netdev_get_by_index+0x5e/0x80 [ 8869.110690][ T10] fib6_nh_init+0x3d8/0x1580 [ 8869.110690][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8869.110690][ T10] ip6_route_add+0x1c/0x140 [ 8869.110690][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8869.110690][ T10] inet6_addr_add+0x4f8/0xa40 [ 8869.110690][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8869.110690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8869.110690][ T10] netlink_rcv_skb+0x130/0x360 [ 8869.110690][ T10] netlink_unicast+0x449/0x710 [ 8869.110690][ T10] netlink_sendmsg+0x723/0xbe0 [ 8869.110690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8869.110690][ T10] ___sys_sendmsg+0xee/0x170 [ 8869.110690][ T10] __sys_sendmsg+0xcd/0x170 [ 8869.110690][ T10] do_syscall_64+0xc6/0x1e0 [ 8869.110690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8869.110690][ T10] [ 8869.112679][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8869.112679][ T10] netdev_get_by_index+0x5e/0x80 [ 8869.112679][ T10] fib6_nh_init+0x3d8/0x1580 [ 8869.112679][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8869.112679][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8869.112679][ T10] ipv6_add_addr+0x411/0x2000 [ 8869.112679][ T10] inet6_addr_add+0x30e/0xa40 [ 8869.112679][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8869.112679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8869.112679][ T10] netlink_rcv_skb+0x130/0x360 [ 8869.112679][ T10] netlink_unicast+0x449/0x710 [ 8869.112679][ T10] netlink_sendmsg+0x723/0xbe0 [ 8869.112679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8869.112679][ T10] ___sys_sendmsg+0xee/0x170 [ 8869.112679][ T10] __sys_sendmsg+0xcd/0x170 [ 8869.112679][ T10] do_syscall_64+0xc6/0x1e0 [ 8869.112679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8869.112679][ T10] [ 8869.114666][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8869.114666][ T10] netdev_get_by_index+0x5e/0x80 [ 8869.114666][ T10] fib6_nh_init+0x3d8/0x1580 [ 8869.114666][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8869.114666][ T10] ip6_route_add+0x1c/0x140 [ 8869.114666][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8869.114666][ T10] addrconf_add_dev+0xe2/0x170 [ 8869.114666][ T10] inet6_addr_add+0x12f/0xa40 [ 8869.114666][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8869.114666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8869.114666][ T10] netlink_rcv_skb+0x130/0x360 [ 8869.114666][ T10] netlink_unicast+0x449/0x710 [ 8869.114666][ T10] netlink_sendmsg+0x723/0xbe0 [ 8869.114666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8869.114666][ T10] ___sys_sendmsg+0xee/0x170 [ 8869.114666][ T10] __sys_sendmsg+0xcd/0x170 [ 8869.114666][ T10] do_syscall_64+0xc6/0x1e0 [ 8869.114666][ T10] [ 8869.116619][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8869.116619][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8869.116619][ T10] ipv6_find_idev+0x102/0x170 [ 8869.116619][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8869.116619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8869.116619][ T10] netlink_rcv_skb+0x130/0x360 [ 8869.116619][ T10] netlink_unicast+0x449/0x710 [ 8869.116619][ T10] netlink_sendmsg+0x723/0xbe0 [ 8869.116619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8869.116619][ T10] ___sys_sendmsg+0xee/0x170 [ 8869.116619][ T10] __sys_sendmsg+0xcd/0x170 [ 8869.116619][ T10] do_syscall_64+0xc6/0x1e0 [ 8869.116619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8869.116619][ T10] [ 8869.118148][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8869.118148][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8869.118148][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8869.118148][ T10] ipv6_find_idev+0x102/0x170 [ 8869.118148][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8869.118148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8869.118148][ T10] netlink_rcv_skb+0x130/0x360 [ 8869.118148][ T10] netlink_unicast+0x449/0x710 [ 8869.118148][ T10] netlink_sendmsg+0x723/0xbe0 [ 8869.118148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8869.118148][ T10] ___sys_sendmsg+0xee/0x170 [ 8869.118148][ T10] __sys_sendmsg+0xcd/0x170 [ 8869.118148][ T10] do_syscall_64+0xc6/0x1e0 [ 8869.118148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8869.118148][ T10] [ 8869.119820][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8869.120065][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8869.120065][ T10] netdev_get_by_index+0x5e/0x80 [ 8869.120065][ T10] fib6_nh_init+0x3d8/0x1580 [ 8869.120065][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8869.120065][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8869.120065][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8869.120065][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8869.120065][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8869.120065][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8869.120065][ T10] addrconf_dad_begin+0x310/0x670 [ 8869.120065][ T10] addrconf_dad_work+0x10b/0xab0 [ 8869.120065][ T10] process_one_work+0x84d/0x18a0 [ 8869.120065][ T10] worker_thread+0x587/0xd30 [ 8869.120065][ T10] kthread+0x28a/0x350 [ 8869.120065][ T10] ret_from_fork+0x31/0x70 [ 8869.120065][ T10] ret_from_fork_asm+0x1a/0x30 [ 8869.120065][ T10] [ 8869.121965][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8869.121965][ T10] netdev_get_by_index+0x5e/0x80 [ 8869.121965][ T10] fib6_nh_init+0x3d8/0x1580 [ 8869.121965][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8869.121965][ T10] ip6_route_add+0x1c/0x140 [ 8869.121965][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8869.121965][ T10] inet6_addr_add+0x4f8/0xa40 [ 8869.121965][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8869.121965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8869.121965][ T10] netlink_rcv_skb+0x130/0x360 [ 8869.121965][ T10] netlink_unicast+0x449/0x710 [ 8869.121965][ T10] netlink_sendmsg+0x723/0xbe0 [ 8869.121965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8869.121965][ T10] ___sys_sendmsg+0xee/0x170 [ 8869.121965][ T10] __sys_sendmsg+0xcd/0x170 [ 8869.121965][ T10] do_syscall_64+0xc6/0x1e0 [ 8869.121965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8869.121965][ T10] [ 8869.124084][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8869.124084][ T10] netdev_get_by_index+0x5e/0x80 [ 8869.124084][ T10] fib6_nh_init+0x3d8/0x1580 [ 8869.124084][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8869.124084][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8869.124084][ T10] ipv6_add_addr+0x411/0x2000 [ 8869.124084][ T10] inet6_addr_add+0x30e/0xa40 [ 8869.124084][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8869.124084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8869.124084][ T10] netlink_rcv_skb+0x130/0x360 [ 8869.124084][ T10] netlink_unicast+0x449/0x710 [ 8869.124084][ T10] netlink_sendmsg+0x723/0xbe0 [ 8869.124084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8869.124084][ T10] ___sys_sendmsg+0xee/0x170 [ 8869.124084][ T10] __sys_sendmsg+0xcd/0x170 [ 8869.124084][ T10] do_syscall_64+0xc6/0x1e0 [ 8869.124084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8869.124084][ T10] [ 8869.126225][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8869.126225][ T10] netdev_get_by_index+0x5e/0x80 [ 8869.126225][ T10] fib6_nh_init+0x3d8/0x1580 [ 8869.126225][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8869.126225][ T10] ip6_route_add+0x1c/0x140 [ 8869.126225][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8869.126225][ T10] addrconf_add_dev+0xe2/0x170 [ 8869.126225][ T10] inet6_addr_add+0x12f/0xa40 [ 8869.126225][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8869.126225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8869.126225][ T10] netlink_rcv_skb+0x130/0x360 [ 8869.126225][ T10] netlink_unicast+0x449/0x710 [ 8869.126225][ T10] netlink_sendmsg+0x723/0xbe0 [ 8869.126225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8869.126225][ T10] ___sys_sendmsg+0xee/0x170 [ 8869.126225][ T10] __sys_sendmsg+0xcd/0x170 [ 8869.126225][ T10] do_syscall_64+0xc6/0x1e0 [ 8869.126225][ T10] [ 8869.128315][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8869.128315][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8869.128315][ T10] ipv6_find_idev+0x102/0x170 [ 8869.128315][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8869.128315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8869.128315][ T10] netlink_rcv_skb+0x130/0x360 [ 8869.128315][ T10] netlink_unicast+0x449/0x710 [ 8869.128315][ T10] netlink_sendmsg+0x723/0xbe0 [ 8869.128315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8869.128315][ T10] ___sys_sendmsg+0xee/0x170 [ 8869.128315][ T10] __sys_sendmsg+0xcd/0x170 [ 8869.128315][ T10] do_syscall_64+0xc6/0x1e0 [ 8869.128315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8869.128315][ T10] [ 8869.129914][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8869.129914][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8869.129914][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8869.129914][ T10] ipv6_find_idev+0x102/0x170 [ 8869.129914][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8869.129914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8869.129914][ T10] netlink_rcv_skb+0x130/0x360 [ 8869.129914][ T10] netlink_unicast+0x449/0x710 [ 8869.129914][ T10] netlink_sendmsg+0x723/0xbe0 [ 8869.129914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8869.129914][ T10] ___sys_sendmsg+0xee/0x170 [ 8869.129914][ T10] __sys_sendmsg+0xcd/0x170 [ 8869.129914][ T10] do_syscall_64+0xc6/0x1e0 [ 8869.129914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8869.129914][ T10] [ 8869.131727][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8869.131970][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8869.131970][ T10] netdev_get_by_index+0x5e/0x80 [ 8869.131970][ T10] fib6_nh_init+0x3d8/0x1580 [ 8869.131970][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8869.131970][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8869.131970][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8869.131970][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8869.131970][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8869.131970][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8869.131970][ T10] addrconf_dad_begin+0x310/0x670 [ 8869.131970][ T10] addrconf_dad_work+0x10b/0xab0 [ 8869.131970][ T10] process_one_work+0x84d/0x18a0 [ 8869.131970][ T10] worker_thread+0x587/0xd30 [ 8869.131970][ T10] kthread+0x28a/0x350 [ 8869.131970][ T10] ret_from_fork+0x31/0x70 [ 8869.131970][ T10] ret_from_fork_asm+0x1a/0x30 [ 8869.131970][ T10] [ 8869.134072][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8869.134072][ T10] netdev_get_by_index+0x5e/0x80 [ 8869.134072][ T10] fib6_nh_init+0x3d8/0x1580 [ 8869.134072][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8869.134072][ T10] ip6_route_add+0x1c/0x140 [ 8869.134072][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8869.134072][ T10] inet6_addr_add+0x4f8/0xa40 [ 8869.134072][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8869.134072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8869.134072][ T10] netlink_rcv_skb+0x130/0x360 [ 8869.134072][ T10] netlink_unicast+0x449/0x710 [ 8869.134072][ T10] netlink_sendmsg+0x723/0xbe0 [ 8869.134072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8869.134072][ T10] ___sys_sendmsg+0xee/0x170 [ 8869.134072][ T10] __sys_sendmsg+0xcd/0x170 [ 8869.134072][ T10] do_syscall_64+0xc6/0x1e0 [ 8869.134072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8869.134072][ T10] [ 8869.136191][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8869.136191][ T10] netdev_get_by_index+0x5e/0x80 [ 8869.136191][ T10] fib6_nh_init+0x3d8/0x1580 [ 8869.136191][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8869.136191][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8869.136191][ T10] ipv6_add_addr+0x411/0x2000 [ 8869.136191][ T10] inet6_addr_add+0x30e/0xa40 [ 8869.136191][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8869.136191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8869.136191][ T10] netlink_rcv_skb+0x130/0x360 [ 8869.136191][ T10] netlink_unicast+0x449/0x710 [ 8869.136191][ T10] netlink_sendmsg+0x723/0xbe0 [ 8869.136191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8869.136191][ T10] ___sys_sendmsg+0xee/0x170 [ 8869.136191][ T10] __sys_sendmsg+0xcd/0x170 [ 8869.136191][ T10] do_syscall_64+0xc6/0x1e0 [ 8869.136191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8869.136191][ T10] [ 8869.138320][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8869.138320][ T10] netdev_get_by_index+0x5e/0x80 [ 8869.138320][ T10] fib6_nh_init+0x3d8/0x1580 [ 8869.138320][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8869.138320][ T10] ip6_route_add+0x1c/0x140 [ 8869.138320][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8869.138320][ T10] addrconf_add_dev+0xe2/0x170 [ 8869.138320][ T10] inet6_addr_add+0x12f/0xa40 [ 8869.138320][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8869.138320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8869.138320][ T10] netlink_rcv_skb+0x130/0x360 [ 8869.138320][ T10] netlink_unicast+0x449/0x710 [ 8869.138320][ T10] netlink_sendmsg+0x723/0xbe0 [ 8869.138320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8869.138320][ T10] ___sys_sendmsg+0xee/0x170 [ 8869.138320][ T10] __sys_sendmsg+0xcd/0x170 [ 8869.138320][ T10] do_syscall_64+0xc6/0x1e0 [ 8869.138320][ T10] [ 8869.140402][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8869.140402][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8869.140402][ T10] ipv6_find_idev+0x102/0x170 [ 8869.140402][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8869.140402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8869.140402][ T10] netlink_rcv_skb+0x130/0x360 [ 8869.140402][ T10] netlink_unicast+0x449/0x710 [ 8869.140402][ T10] netlink_sendmsg+0x723/0xbe0 [ 8869.140402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8869.140402][ T10] ___sys_sendmsg+0xee/0x170 [ 8869.140402][ T10] __sys_sendmsg+0xcd/0x170 [ 8869.140402][ T10] do_syscall_64+0xc6/0x1e0 [ 8869.140402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8869.140402][ T10] [ 8869.142008][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8869.142008][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8869.142008][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8869.142008][ T10] ipv6_find_idev+0x102/0x170 [ 8869.142008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8869.142008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8869.142008][ T10] netlink_rcv_skb+0x130/0x360 [ 8869.142008][ T10] netlink_unicast+0x449/0x710 [ 8869.142008][ T10] netlink_sendmsg+0x723/0xbe0 [ 8869.142008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8869.142008][ T10] ___sys_sendmsg+0xee/0x170 [ 8869.142008][ T10] __sys_sendmsg+0xcd/0x170 [ 8869.142008][ T10] do_syscall_64+0xc6/0x1e0 [ 8869.142008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8869.142008][ T10] [ 8877.185111][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8877.185588][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8877.185588][ T1167] dst_init+0x84/0x4a0 [ 8877.185588][ T1167] dst_alloc+0x97/0x150 [ 8877.185588][ T1167] ip6_dst_alloc+0x23/0x90 [ 8877.185588][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8877.185588][ T1167] ip6_pol_route+0x56f/0x840 [ 8877.185588][ T1167] fib6_rule_lookup+0x334/0x630 [ 8877.185588][ T1167] ip6_route_output_flags+0x259/0x480 [ 8877.185588][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8877.185588][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8877.185588][ T1167] netlink_rcv_skb+0x130/0x360 [ 8877.185588][ T1167] netlink_unicast+0x449/0x710 [ 8877.185588][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8877.185588][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8877.185588][ T1167] ___sys_sendmsg+0xee/0x170 [ 8877.185588][ T1167] __sys_sendmsg+0xcd/0x170 [ 8877.185588][ T1167] do_syscall_64+0xc6/0x1e0 [ 8877.185588][ T1167] [ 8877.187790][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8877.187790][ T1167] netdev_get_by_index+0x5e/0x80 [ 8877.187790][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8877.187790][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8877.187790][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8877.187790][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8877.187790][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8877.187790][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8877.187790][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8877.187790][ T1167] addrconf_dad_begin+0x310/0x670 [ 8877.187790][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8877.187790][ T1167] process_one_work+0x84d/0x18a0 [ 8877.187790][ T1167] worker_thread+0x587/0xd30 [ 8877.187790][ T1167] kthread+0x28a/0x350 [ 8877.187790][ T1167] ret_from_fork+0x31/0x70 [ 8877.187790][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8877.187790][ T1167] [ 8877.189950][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8877.189950][ T1167] netdev_get_by_index+0x5e/0x80 [ 8877.189950][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8877.189950][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8877.189950][ T1167] ip6_route_add+0x1c/0x140 [ 8877.189950][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8877.189950][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8877.189950][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8877.189950][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8877.189950][ T1167] netlink_rcv_skb+0x130/0x360 [ 8877.189950][ T1167] netlink_unicast+0x449/0x710 [ 8877.189950][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8877.189950][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8877.189950][ T1167] ___sys_sendmsg+0xee/0x170 [ 8877.189950][ T1167] __sys_sendmsg+0xcd/0x170 [ 8877.189950][ T1167] do_syscall_64+0xc6/0x1e0 [ 8877.189950][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8877.189950][ T1167] [ 8877.192197][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8877.192197][ T1167] netdev_get_by_index+0x5e/0x80 [ 8877.192197][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8877.192197][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8877.192197][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8877.192197][ T1167] ipv6_add_addr+0x411/0x2000 [ 8877.192197][ T1167] inet6_addr_add+0x30e/0xa40 [ 8877.192197][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8877.192197][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8877.192197][ T1167] netlink_rcv_skb+0x130/0x360 [ 8877.192197][ T1167] netlink_unicast+0x449/0x710 [ 8877.192197][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8877.192197][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8877.192197][ T1167] ___sys_sendmsg+0xee/0x170 [ 8877.192197][ T1167] __sys_sendmsg+0xcd/0x170 [ 8877.192197][ T1167] do_syscall_64+0xc6/0x1e0 [ 8877.192197][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8877.192197][ T1167] [ 8877.194443][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8877.194443][ T1167] netdev_get_by_index+0x5e/0x80 [ 8877.194443][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8877.194443][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8877.194443][ T1167] ip6_route_add+0x1c/0x140 [ 8877.194443][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8877.194443][ T1167] addrconf_add_dev+0xe2/0x170 [ 8877.194443][ T1167] inet6_addr_add+0x12f/0xa40 [ 8877.194443][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8877.194443][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8877.194443][ T1167] netlink_rcv_skb+0x130/0x360 [ 8877.194443][ T1167] netlink_unicast+0x449/0x710 [ 8877.194443][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8877.194443][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8877.194443][ T1167] ___sys_sendmsg+0xee/0x170 [ 8877.194443][ T1167] __sys_sendmsg+0xcd/0x170 [ 8877.194443][ T1167] do_syscall_64+0xc6/0x1e0 [ 8877.194443][ T1167] [ 8877.196653][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8877.196653][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8877.196653][ T1167] ipv6_find_idev+0x102/0x170 [ 8877.196653][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8877.196653][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8877.196653][ T1167] netlink_rcv_skb+0x130/0x360 [ 8877.196653][ T1167] netlink_unicast+0x449/0x710 [ 8877.196653][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8877.196653][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8877.196653][ T1167] ___sys_sendmsg+0xee/0x170 [ 8877.196653][ T1167] __sys_sendmsg+0xcd/0x170 [ 8877.196653][ T1167] do_syscall_64+0xc6/0x1e0 [ 8877.196653][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8877.196653][ T1167] [ 8877.198382][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8877.198382][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8877.198382][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8877.198382][ T1167] ipv6_find_idev+0x102/0x170 [ 8877.198382][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8877.198382][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8877.198382][ T1167] netlink_rcv_skb+0x130/0x360 [ 8877.198382][ T1167] netlink_unicast+0x449/0x710 [ 8877.198382][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8877.198382][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8877.198382][ T1167] ___sys_sendmsg+0xee/0x170 [ 8877.198382][ T1167] __sys_sendmsg+0xcd/0x170 [ 8877.198382][ T1167] do_syscall_64+0xc6/0x1e0 [ 8877.198382][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8877.198382][ T1167] [ 8879.385030][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8879.385458][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8879.385458][ T10] netdev_get_by_index+0x5e/0x80 [ 8879.385458][ T10] fib6_nh_init+0x3d8/0x1580 [ 8879.385458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8879.385458][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8879.385458][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8879.385458][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8879.385458][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8879.385458][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8879.385458][ T10] addrconf_dad_begin+0x310/0x670 [ 8879.385458][ T10] addrconf_dad_work+0x10b/0xab0 [ 8879.385458][ T10] process_one_work+0x84d/0x18a0 [ 8879.385458][ T10] worker_thread+0x587/0xd30 [ 8879.385458][ T10] kthread+0x28a/0x350 [ 8879.385458][ T10] ret_from_fork+0x31/0x70 [ 8879.385458][ T10] ret_from_fork_asm+0x1a/0x30 [ 8879.385458][ T10] [ 8879.387379][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8879.387379][ T10] netdev_get_by_index+0x5e/0x80 [ 8879.387379][ T10] fib6_nh_init+0x3d8/0x1580 [ 8879.387379][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8879.387379][ T10] ip6_route_add+0x1c/0x140 [ 8879.387379][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8879.387379][ T10] inet6_addr_add+0x4f8/0xa40 [ 8879.387379][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8879.387379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8879.387379][ T10] netlink_rcv_skb+0x130/0x360 [ 8879.387379][ T10] netlink_unicast+0x449/0x710 [ 8879.387379][ T10] netlink_sendmsg+0x723/0xbe0 [ 8879.387379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8879.387379][ T10] ___sys_sendmsg+0xee/0x170 [ 8879.387379][ T10] __sys_sendmsg+0xcd/0x170 [ 8879.387379][ T10] do_syscall_64+0xc6/0x1e0 [ 8879.387379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8879.387379][ T10] [ 8879.389375][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8879.389375][ T10] netdev_get_by_index+0x5e/0x80 [ 8879.389375][ T10] fib6_nh_init+0x3d8/0x1580 [ 8879.389375][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8879.389375][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8879.389375][ T10] ipv6_add_addr+0x411/0x2000 [ 8879.389375][ T10] inet6_addr_add+0x30e/0xa40 [ 8879.389375][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8879.389375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8879.389375][ T10] netlink_rcv_skb+0x130/0x360 [ 8879.389375][ T10] netlink_unicast+0x449/0x710 [ 8879.389375][ T10] netlink_sendmsg+0x723/0xbe0 [ 8879.389375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8879.389375][ T10] ___sys_sendmsg+0xee/0x170 [ 8879.389375][ T10] __sys_sendmsg+0xcd/0x170 [ 8879.389375][ T10] do_syscall_64+0xc6/0x1e0 [ 8879.389375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8879.389375][ T10] [ 8879.391377][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8879.391377][ T10] netdev_get_by_index+0x5e/0x80 [ 8879.391377][ T10] fib6_nh_init+0x3d8/0x1580 [ 8879.391377][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8879.391377][ T10] ip6_route_add+0x1c/0x140 [ 8879.391377][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8879.391377][ T10] addrconf_add_dev+0xe2/0x170 [ 8879.391377][ T10] inet6_addr_add+0x12f/0xa40 [ 8879.391377][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8879.391377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8879.391377][ T10] netlink_rcv_skb+0x130/0x360 [ 8879.391377][ T10] netlink_unicast+0x449/0x710 [ 8879.391377][ T10] netlink_sendmsg+0x723/0xbe0 [ 8879.391377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8879.391377][ T10] ___sys_sendmsg+0xee/0x170 [ 8879.391377][ T10] __sys_sendmsg+0xcd/0x170 [ 8879.391377][ T10] do_syscall_64+0xc6/0x1e0 [ 8879.391377][ T10] [ 8879.393338][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8879.393338][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8879.393338][ T10] ipv6_find_idev+0x102/0x170 [ 8879.393338][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8879.393338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8879.393338][ T10] netlink_rcv_skb+0x130/0x360 [ 8879.393338][ T10] netlink_unicast+0x449/0x710 [ 8879.393338][ T10] netlink_sendmsg+0x723/0xbe0 [ 8879.393338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8879.393338][ T10] ___sys_sendmsg+0xee/0x170 [ 8879.393338][ T10] __sys_sendmsg+0xcd/0x170 [ 8879.393338][ T10] do_syscall_64+0xc6/0x1e0 [ 8879.393338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8879.393338][ T10] [ 8879.394867][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8879.394867][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8879.394867][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8879.394867][ T10] ipv6_find_idev+0x102/0x170 [ 8879.394867][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8879.394867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8879.394867][ T10] netlink_rcv_skb+0x130/0x360 [ 8879.394867][ T10] netlink_unicast+0x449/0x710 [ 8879.394867][ T10] netlink_sendmsg+0x723/0xbe0 [ 8879.394867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8879.394867][ T10] ___sys_sendmsg+0xee/0x170 [ 8879.394867][ T10] __sys_sendmsg+0xcd/0x170 [ 8879.394867][ T10] do_syscall_64+0xc6/0x1e0 [ 8879.394867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8879.394867][ T10] [ 8879.396554][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8879.396792][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8879.396792][ T10] netdev_get_by_index+0x5e/0x80 [ 8879.396792][ T10] fib6_nh_init+0x3d8/0x1580 [ 8879.396792][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8879.396792][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8879.396792][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8879.396792][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8879.396792][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8879.396792][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8879.396792][ T10] addrconf_dad_begin+0x310/0x670 [ 8879.396792][ T10] addrconf_dad_work+0x10b/0xab0 [ 8879.396792][ T10] process_one_work+0x84d/0x18a0 [ 8879.396792][ T10] worker_thread+0x587/0xd30 [ 8879.396792][ T10] kthread+0x28a/0x350 [ 8879.396792][ T10] ret_from_fork+0x31/0x70 [ 8879.396792][ T10] ret_from_fork_asm+0x1a/0x30 [ 8879.396792][ T10] [ 8879.398701][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8879.398701][ T10] netdev_get_by_index+0x5e/0x80 [ 8879.398701][ T10] fib6_nh_init+0x3d8/0x1580 [ 8879.398701][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8879.398701][ T10] ip6_route_add+0x1c/0x140 [ 8879.398701][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8879.398701][ T10] inet6_addr_add+0x4f8/0xa40 [ 8879.398701][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8879.398701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8879.398701][ T10] netlink_rcv_skb+0x130/0x360 [ 8879.398701][ T10] netlink_unicast+0x449/0x710 [ 8879.398701][ T10] netlink_sendmsg+0x723/0xbe0 [ 8879.398701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8879.398701][ T10] ___sys_sendmsg+0xee/0x170 [ 8879.398701][ T10] __sys_sendmsg+0xcd/0x170 [ 8879.398701][ T10] do_syscall_64+0xc6/0x1e0 [ 8879.398701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8879.398701][ T10] [ 8879.400697][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8879.400697][ T10] netdev_get_by_index+0x5e/0x80 [ 8879.400697][ T10] fib6_nh_init+0x3d8/0x1580 [ 8879.400697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8879.400697][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8879.400697][ T10] ipv6_add_addr+0x411/0x2000 [ 8879.400697][ T10] inet6_addr_add+0x30e/0xa40 [ 8879.400697][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8879.400697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8879.400697][ T10] netlink_rcv_skb+0x130/0x360 [ 8879.400697][ T10] netlink_unicast+0x449/0x710 [ 8879.400697][ T10] netlink_sendmsg+0x723/0xbe0 [ 8879.400697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8879.400697][ T10] ___sys_sendmsg+0xee/0x170 [ 8879.400697][ T10] __sys_sendmsg+0xcd/0x170 [ 8879.400697][ T10] do_syscall_64+0xc6/0x1e0 [ 8879.400697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8879.400697][ T10] [ 8879.402698][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8879.402698][ T10] netdev_get_by_index+0x5e/0x80 [ 8879.402698][ T10] fib6_nh_init+0x3d8/0x1580 [ 8879.402698][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8879.402698][ T10] ip6_route_add+0x1c/0x140 [ 8879.402698][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8879.402698][ T10] addrconf_add_dev+0xe2/0x170 [ 8879.402698][ T10] inet6_addr_add+0x12f/0xa40 [ 8879.402698][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8879.402698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8879.402698][ T10] netlink_rcv_skb+0x130/0x360 [ 8879.402698][ T10] netlink_unicast+0x449/0x710 [ 8879.402698][ T10] netlink_sendmsg+0x723/0xbe0 [ 8879.402698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8879.402698][ T10] ___sys_sendmsg+0xee/0x170 [ 8879.402698][ T10] __sys_sendmsg+0xcd/0x170 [ 8879.402698][ T10] do_syscall_64+0xc6/0x1e0 [ 8879.402698][ T10] [ 8879.404650][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8879.404650][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8879.404650][ T10] ipv6_find_idev+0x102/0x170 [ 8879.404650][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8879.404650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8879.404650][ T10] netlink_rcv_skb+0x130/0x360 [ 8879.404650][ T10] netlink_unicast+0x449/0x710 [ 8879.404650][ T10] netlink_sendmsg+0x723/0xbe0 [ 8879.404650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8879.404650][ T10] ___sys_sendmsg+0xee/0x170 [ 8879.404650][ T10] __sys_sendmsg+0xcd/0x170 [ 8879.404650][ T10] do_syscall_64+0xc6/0x1e0 [ 8879.404650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8879.404650][ T10] [ 8879.406184][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8879.406184][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8879.406184][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8879.406184][ T10] ipv6_find_idev+0x102/0x170 [ 8879.406184][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8879.406184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8879.406184][ T10] netlink_rcv_skb+0x130/0x360 [ 8879.406184][ T10] netlink_unicast+0x449/0x710 [ 8879.406184][ T10] netlink_sendmsg+0x723/0xbe0 [ 8879.406184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8879.406184][ T10] ___sys_sendmsg+0xee/0x170 [ 8879.406184][ T10] __sys_sendmsg+0xcd/0x170 [ 8879.406184][ T10] do_syscall_64+0xc6/0x1e0 [ 8879.406184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8879.406184][ T10] [ 8879.407888][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8879.408139][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8879.408139][ T10] netdev_get_by_index+0x5e/0x80 [ 8879.408139][ T10] fib6_nh_init+0x3d8/0x1580 [ 8879.408139][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8879.408139][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8879.408139][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8879.408139][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8879.408139][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8879.408139][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8879.408139][ T10] addrconf_dad_begin+0x310/0x670 [ 8879.408139][ T10] addrconf_dad_work+0x10b/0xab0 [ 8879.408139][ T10] process_one_work+0x84d/0x18a0 [ 8879.408139][ T10] worker_thread+0x587/0xd30 [ 8879.408139][ T10] kthread+0x28a/0x350 [ 8879.408139][ T10] ret_from_fork+0x31/0x70 [ 8879.408139][ T10] ret_from_fork_asm+0x1a/0x30 [ 8879.408139][ T10] [ 8879.410048][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8879.410048][ T10] netdev_get_by_index+0x5e/0x80 [ 8879.410048][ T10] fib6_nh_init+0x3d8/0x1580 [ 8879.410048][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8879.410048][ T10] ip6_route_add+0x1c/0x140 [ 8879.410048][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8879.410048][ T10] inet6_addr_add+0x4f8/0xa40 [ 8879.410048][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8879.410048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8879.410048][ T10] netlink_rcv_skb+0x130/0x360 [ 8879.410048][ T10] netlink_unicast+0x449/0x710 [ 8879.410048][ T10] netlink_sendmsg+0x723/0xbe0 [ 8879.410048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8879.410048][ T10] ___sys_sendmsg+0xee/0x170 [ 8879.410048][ T10] __sys_sendmsg+0xcd/0x170 [ 8879.410048][ T10] do_syscall_64+0xc6/0x1e0 [ 8879.410048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8879.410048][ T10] [ 8879.412175][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8879.412175][ T10] netdev_get_by_index+0x5e/0x80 [ 8879.412175][ T10] fib6_nh_init+0x3d8/0x1580 [ 8879.412175][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8879.412175][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8879.412175][ T10] ipv6_add_addr+0x411/0x2000 [ 8879.412175][ T10] inet6_addr_add+0x30e/0xa40 [ 8879.412175][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8879.412175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8879.412175][ T10] netlink_rcv_skb+0x130/0x360 [ 8879.412175][ T10] netlink_unicast+0x449/0x710 [ 8879.412175][ T10] netlink_sendmsg+0x723/0xbe0 [ 8879.412175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8879.412175][ T10] ___sys_sendmsg+0xee/0x170 [ 8879.412175][ T10] __sys_sendmsg+0xcd/0x170 [ 8879.412175][ T10] do_syscall_64+0xc6/0x1e0 [ 8879.412175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8879.412175][ T10] [ 8879.414318][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8879.414318][ T10] netdev_get_by_index+0x5e/0x80 [ 8879.414318][ T10] fib6_nh_init+0x3d8/0x1580 [ 8879.414318][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8879.414318][ T10] ip6_route_add+0x1c/0x140 [ 8879.414318][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8879.414318][ T10] addrconf_add_dev+0xe2/0x170 [ 8879.414318][ T10] inet6_addr_add+0x12f/0xa40 [ 8879.414318][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8879.414318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8879.414318][ T10] netlink_rcv_skb+0x130/0x360 [ 8879.414318][ T10] netlink_unicast+0x449/0x710 [ 8879.414318][ T10] netlink_sendmsg+0x723/0xbe0 [ 8879.414318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8879.414318][ T10] ___sys_sendmsg+0xee/0x170 [ 8879.414318][ T10] __sys_sendmsg+0xcd/0x170 [ 8879.414318][ T10] do_syscall_64+0xc6/0x1e0 [ 8879.414318][ T10] [ 8879.416329][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8879.416329][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8879.416329][ T10] ipv6_find_idev+0x102/0x170 [ 8879.416329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8879.416329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8879.416329][ T10] netlink_rcv_skb+0x130/0x360 [ 8879.416329][ T10] netlink_unicast+0x449/0x710 [ 8879.416329][ T10] netlink_sendmsg+0x723/0xbe0 [ 8879.416329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8879.416329][ T10] ___sys_sendmsg+0xee/0x170 [ 8879.416329][ T10] __sys_sendmsg+0xcd/0x170 [ 8879.416329][ T10] do_syscall_64+0xc6/0x1e0 [ 8879.416329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8879.416329][ T10] [ 8879.418040][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8879.418040][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8879.418040][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8879.418040][ T10] ipv6_find_idev+0x102/0x170 [ 8879.418040][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8879.418040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8879.418040][ T10] netlink_rcv_skb+0x130/0x360 [ 8879.418040][ T10] netlink_unicast+0x449/0x710 [ 8879.418040][ T10] netlink_sendmsg+0x723/0xbe0 [ 8879.418040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8879.418040][ T10] ___sys_sendmsg+0xee/0x170 [ 8879.418040][ T10] __sys_sendmsg+0xcd/0x170 [ 8879.418040][ T10] do_syscall_64+0xc6/0x1e0 [ 8879.418040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8879.418040][ T10] [ 8879.419930][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8879.420607][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8879.420607][ T10] netdev_get_by_index+0x5e/0x80 [ 8879.420607][ T10] fib6_nh_init+0x3d8/0x1580 [ 8879.420607][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8879.420607][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8879.420607][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8879.420607][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8879.420607][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8879.420607][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8879.420607][ T10] addrconf_dad_begin+0x310/0x670 [ 8879.420607][ T10] addrconf_dad_work+0x10b/0xab0 [ 8879.420607][ T10] process_one_work+0x84d/0x18a0 [ 8879.420607][ T10] worker_thread+0x587/0xd30 [ 8879.420607][ T10] kthread+0x28a/0x350 [ 8879.420607][ T10] ret_from_fork+0x31/0x70 [ 8879.420607][ T10] ret_from_fork_asm+0x1a/0x30 [ 8879.420607][ T10] [ 8879.422517][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8879.422517][ T10] netdev_get_by_index+0x5e/0x80 [ 8879.422517][ T10] fib6_nh_init+0x3d8/0x1580 [ 8879.422517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8879.422517][ T10] ip6_route_add+0x1c/0x140 [ 8879.422517][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8879.422517][ T10] inet6_addr_add+0x4f8/0xa40 [ 8879.422517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8879.422517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8879.422517][ T10] netlink_rcv_skb+0x130/0x360 [ 8879.422517][ T10] netlink_unicast+0x449/0x710 [ 8879.422517][ T10] netlink_sendmsg+0x723/0xbe0 [ 8879.422517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8879.422517][ T10] ___sys_sendmsg+0xee/0x170 [ 8879.422517][ T10] __sys_sendmsg+0xcd/0x170 [ 8879.422517][ T10] do_syscall_64+0xc6/0x1e0 [ 8879.422517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8879.422517][ T10] [ 8879.424588][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8879.424588][ T10] netdev_get_by_index+0x5e/0x80 [ 8879.424588][ T10] fib6_nh_init+0x3d8/0x1580 [ 8879.424588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8879.424588][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8879.424588][ T10] ipv6_add_addr+0x411/0x2000 [ 8879.424588][ T10] inet6_addr_add+0x30e/0xa40 [ 8879.424588][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8879.424588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8879.424588][ T10] netlink_rcv_skb+0x130/0x360 [ 8879.424588][ T10] netlink_unicast+0x449/0x710 [ 8879.424588][ T10] netlink_sendmsg+0x723/0xbe0 [ 8879.424588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8879.424588][ T10] ___sys_sendmsg+0xee/0x170 [ 8879.424588][ T10] __sys_sendmsg+0xcd/0x170 [ 8879.424588][ T10] do_syscall_64+0xc6/0x1e0 [ 8879.424588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8879.424588][ T10] [ 8879.426729][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8879.426729][ T10] netdev_get_by_index+0x5e/0x80 [ 8879.426729][ T10] fib6_nh_init+0x3d8/0x1580 [ 8879.426729][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8879.426729][ T10] ip6_route_add+0x1c/0x140 [ 8879.426729][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8879.426729][ T10] addrconf_add_dev+0xe2/0x170 [ 8879.426729][ T10] inet6_addr_add+0x12f/0xa40 [ 8879.426729][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8879.426729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8879.426729][ T10] netlink_rcv_skb+0x130/0x360 [ 8879.426729][ T10] netlink_unicast+0x449/0x710 [ 8879.426729][ T10] netlink_sendmsg+0x723/0xbe0 [ 8879.426729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8879.426729][ T10] ___sys_sendmsg+0xee/0x170 [ 8879.426729][ T10] __sys_sendmsg+0xcd/0x170 [ 8879.426729][ T10] do_syscall_64+0xc6/0x1e0 [ 8879.426729][ T10] [ 8879.428819][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8879.428819][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8879.428819][ T10] ipv6_find_idev+0x102/0x170 [ 8879.428819][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8879.428819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8879.428819][ T10] netlink_rcv_skb+0x130/0x360 [ 8879.428819][ T10] netlink_unicast+0x449/0x710 [ 8879.428819][ T10] netlink_sendmsg+0x723/0xbe0 [ 8879.428819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8879.428819][ T10] ___sys_sendmsg+0xee/0x170 [ 8879.428819][ T10] __sys_sendmsg+0xcd/0x170 [ 8879.428819][ T10] do_syscall_64+0xc6/0x1e0 [ 8879.428819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8879.428819][ T10] [ 8879.430417][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8879.430417][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8879.430417][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8879.430417][ T10] ipv6_find_idev+0x102/0x170 [ 8879.430417][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8879.430417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8879.430417][ T10] netlink_rcv_skb+0x130/0x360 [ 8879.430417][ T10] netlink_unicast+0x449/0x710 [ 8879.430417][ T10] netlink_sendmsg+0x723/0xbe0 [ 8879.430417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8879.430417][ T10] ___sys_sendmsg+0xee/0x170 [ 8879.430417][ T10] __sys_sendmsg+0xcd/0x170 [ 8879.430417][ T10] do_syscall_64+0xc6/0x1e0 [ 8879.430417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8879.430417][ T10] [ 8887.441126][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8887.441540][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8887.441540][ T1167] dst_init+0x84/0x4a0 [ 8887.441540][ T1167] dst_alloc+0x97/0x150 [ 8887.441540][ T1167] ip6_dst_alloc+0x23/0x90 [ 8887.441540][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8887.441540][ T1167] ip6_pol_route+0x56f/0x840 [ 8887.441540][ T1167] fib6_rule_lookup+0x334/0x630 [ 8887.441540][ T1167] ip6_route_output_flags+0x259/0x480 [ 8887.441540][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8887.441540][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8887.441540][ T1167] netlink_rcv_skb+0x130/0x360 [ 8887.441540][ T1167] netlink_unicast+0x449/0x710 [ 8887.441540][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8887.441540][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8887.441540][ T1167] ___sys_sendmsg+0xee/0x170 [ 8887.441540][ T1167] __sys_sendmsg+0xcd/0x170 [ 8887.441540][ T1167] do_syscall_64+0xc6/0x1e0 [ 8887.441540][ T1167] [ 8887.443727][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8887.443727][ T1167] netdev_get_by_index+0x5e/0x80 [ 8887.443727][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8887.443727][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8887.443727][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8887.443727][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8887.443727][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8887.443727][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8887.443727][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8887.443727][ T1167] addrconf_dad_begin+0x310/0x670 [ 8887.443727][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8887.443727][ T1167] process_one_work+0x84d/0x18a0 [ 8887.443727][ T1167] worker_thread+0x587/0xd30 [ 8887.443727][ T1167] kthread+0x28a/0x350 [ 8887.443727][ T1167] ret_from_fork+0x31/0x70 [ 8887.443727][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8887.443727][ T1167] [ 8887.445881][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8887.445881][ T1167] netdev_get_by_index+0x5e/0x80 [ 8887.445881][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8887.445881][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8887.445881][ T1167] ip6_route_add+0x1c/0x140 [ 8887.445881][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8887.445881][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8887.445881][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8887.445881][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8887.445881][ T1167] netlink_rcv_skb+0x130/0x360 [ 8887.445881][ T1167] netlink_unicast+0x449/0x710 [ 8887.445881][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8887.445881][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8887.445881][ T1167] ___sys_sendmsg+0xee/0x170 [ 8887.445881][ T1167] __sys_sendmsg+0xcd/0x170 [ 8887.445881][ T1167] do_syscall_64+0xc6/0x1e0 [ 8887.445881][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8887.445881][ T1167] [ 8887.448153][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8887.448153][ T1167] netdev_get_by_index+0x5e/0x80 [ 8887.448153][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8887.448153][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8887.448153][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8887.448153][ T1167] ipv6_add_addr+0x411/0x2000 [ 8887.448153][ T1167] inet6_addr_add+0x30e/0xa40 [ 8887.448153][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8887.448153][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8887.448153][ T1167] netlink_rcv_skb+0x130/0x360 [ 8887.448153][ T1167] netlink_unicast+0x449/0x710 [ 8887.448153][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8887.448153][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8887.448153][ T1167] ___sys_sendmsg+0xee/0x170 [ 8887.448153][ T1167] __sys_sendmsg+0xcd/0x170 [ 8887.448153][ T1167] do_syscall_64+0xc6/0x1e0 [ 8887.448153][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8887.448153][ T1167] [ 8887.450396][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8887.450396][ T1167] netdev_get_by_index+0x5e/0x80 [ 8887.450396][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8887.450396][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8887.450396][ T1167] ip6_route_add+0x1c/0x140 [ 8887.450396][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8887.450396][ T1167] addrconf_add_dev+0xe2/0x170 [ 8887.450396][ T1167] inet6_addr_add+0x12f/0xa40 [ 8887.450396][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8887.450396][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8887.450396][ T1167] netlink_rcv_skb+0x130/0x360 [ 8887.450396][ T1167] netlink_unicast+0x449/0x710 [ 8887.450396][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8887.450396][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8887.450396][ T1167] ___sys_sendmsg+0xee/0x170 [ 8887.450396][ T1167] __sys_sendmsg+0xcd/0x170 [ 8887.450396][ T1167] do_syscall_64+0xc6/0x1e0 [ 8887.450396][ T1167] [ 8887.452595][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8887.452595][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8887.452595][ T1167] ipv6_find_idev+0x102/0x170 [ 8887.452595][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8887.452595][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8887.452595][ T1167] netlink_rcv_skb+0x130/0x360 [ 8887.452595][ T1167] netlink_unicast+0x449/0x710 [ 8887.452595][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8887.452595][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8887.452595][ T1167] ___sys_sendmsg+0xee/0x170 [ 8887.452595][ T1167] __sys_sendmsg+0xcd/0x170 [ 8887.452595][ T1167] do_syscall_64+0xc6/0x1e0 [ 8887.452595][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8887.452595][ T1167] [ 8887.454319][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8887.454319][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8887.454319][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8887.454319][ T1167] ipv6_find_idev+0x102/0x170 [ 8887.454319][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8887.454319][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8887.454319][ T1167] netlink_rcv_skb+0x130/0x360 [ 8887.454319][ T1167] netlink_unicast+0x449/0x710 [ 8887.454319][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8887.454319][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8887.454319][ T1167] ___sys_sendmsg+0xee/0x170 [ 8887.454319][ T1167] __sys_sendmsg+0xcd/0x170 [ 8887.454319][ T1167] do_syscall_64+0xc6/0x1e0 [ 8887.454319][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8887.454319][ T1167] [ 8889.673028][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8889.673469][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8889.673469][ T10] netdev_get_by_index+0x5e/0x80 [ 8889.673469][ T10] fib6_nh_init+0x3d8/0x1580 [ 8889.673469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8889.673469][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8889.673469][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8889.673469][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8889.673469][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8889.673469][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8889.673469][ T10] addrconf_dad_begin+0x310/0x670 [ 8889.673469][ T10] addrconf_dad_work+0x10b/0xab0 [ 8889.673469][ T10] process_one_work+0x84d/0x18a0 [ 8889.673469][ T10] worker_thread+0x587/0xd30 [ 8889.673469][ T10] kthread+0x28a/0x350 [ 8889.673469][ T10] ret_from_fork+0x31/0x70 [ 8889.673469][ T10] ret_from_fork_asm+0x1a/0x30 [ 8889.673469][ T10] [ 8889.675395][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8889.675395][ T10] netdev_get_by_index+0x5e/0x80 [ 8889.675395][ T10] fib6_nh_init+0x3d8/0x1580 [ 8889.675395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8889.675395][ T10] ip6_route_add+0x1c/0x140 [ 8889.675395][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8889.675395][ T10] inet6_addr_add+0x4f8/0xa40 [ 8889.675395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8889.675395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8889.675395][ T10] netlink_rcv_skb+0x130/0x360 [ 8889.675395][ T10] netlink_unicast+0x449/0x710 [ 8889.675395][ T10] netlink_sendmsg+0x723/0xbe0 [ 8889.675395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8889.675395][ T10] ___sys_sendmsg+0xee/0x170 [ 8889.675395][ T10] __sys_sendmsg+0xcd/0x170 [ 8889.675395][ T10] do_syscall_64+0xc6/0x1e0 [ 8889.675395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8889.675395][ T10] [ 8889.677413][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8889.677413][ T10] netdev_get_by_index+0x5e/0x80 [ 8889.677413][ T10] fib6_nh_init+0x3d8/0x1580 [ 8889.677413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8889.677413][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8889.677413][ T10] ipv6_add_addr+0x411/0x2000 [ 8889.677413][ T10] inet6_addr_add+0x30e/0xa40 [ 8889.677413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8889.677413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8889.677413][ T10] netlink_rcv_skb+0x130/0x360 [ 8889.677413][ T10] netlink_unicast+0x449/0x710 [ 8889.677413][ T10] netlink_sendmsg+0x723/0xbe0 [ 8889.677413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8889.677413][ T10] ___sys_sendmsg+0xee/0x170 [ 8889.677413][ T10] __sys_sendmsg+0xcd/0x170 [ 8889.677413][ T10] do_syscall_64+0xc6/0x1e0 [ 8889.677413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8889.677413][ T10] [ 8889.679405][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8889.679405][ T10] netdev_get_by_index+0x5e/0x80 [ 8889.679405][ T10] fib6_nh_init+0x3d8/0x1580 [ 8889.679405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8889.679405][ T10] ip6_route_add+0x1c/0x140 [ 8889.679405][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8889.679405][ T10] addrconf_add_dev+0xe2/0x170 [ 8889.679405][ T10] inet6_addr_add+0x12f/0xa40 [ 8889.679405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8889.679405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8889.679405][ T10] netlink_rcv_skb+0x130/0x360 [ 8889.679405][ T10] netlink_unicast+0x449/0x710 [ 8889.679405][ T10] netlink_sendmsg+0x723/0xbe0 [ 8889.679405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8889.679405][ T10] ___sys_sendmsg+0xee/0x170 [ 8889.679405][ T10] __sys_sendmsg+0xcd/0x170 [ 8889.679405][ T10] do_syscall_64+0xc6/0x1e0 [ 8889.679405][ T10] [ 8889.681367][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8889.681367][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8889.681367][ T10] ipv6_find_idev+0x102/0x170 [ 8889.681367][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8889.681367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8889.681367][ T10] netlink_rcv_skb+0x130/0x360 [ 8889.681367][ T10] netlink_unicast+0x449/0x710 [ 8889.681367][ T10] netlink_sendmsg+0x723/0xbe0 [ 8889.681367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8889.681367][ T10] ___sys_sendmsg+0xee/0x170 [ 8889.681367][ T10] __sys_sendmsg+0xcd/0x170 [ 8889.681367][ T10] do_syscall_64+0xc6/0x1e0 [ 8889.681367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8889.681367][ T10] [ 8889.682912][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8889.682912][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8889.682912][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8889.682912][ T10] ipv6_find_idev+0x102/0x170 [ 8889.682912][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8889.682912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8889.682912][ T10] netlink_rcv_skb+0x130/0x360 [ 8889.682912][ T10] netlink_unicast+0x449/0x710 [ 8889.682912][ T10] netlink_sendmsg+0x723/0xbe0 [ 8889.682912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8889.682912][ T10] ___sys_sendmsg+0xee/0x170 [ 8889.682912][ T10] __sys_sendmsg+0xcd/0x170 [ 8889.682912][ T10] do_syscall_64+0xc6/0x1e0 [ 8889.682912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8889.682912][ T10] [ 8889.684595][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8889.684839][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8889.684839][ T10] netdev_get_by_index+0x5e/0x80 [ 8889.684839][ T10] fib6_nh_init+0x3d8/0x1580 [ 8889.684839][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8889.684839][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8889.684839][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8889.684839][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8889.684839][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8889.684839][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8889.684839][ T10] addrconf_dad_begin+0x310/0x670 [ 8889.684839][ T10] addrconf_dad_work+0x10b/0xab0 [ 8889.684839][ T10] process_one_work+0x84d/0x18a0 [ 8889.684839][ T10] worker_thread+0x587/0xd30 [ 8889.684839][ T10] kthread+0x28a/0x350 [ 8889.684839][ T10] ret_from_fork+0x31/0x70 [ 8889.684839][ T10] ret_from_fork_asm+0x1a/0x30 [ 8889.684839][ T10] [ 8889.686748][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8889.686748][ T10] netdev_get_by_index+0x5e/0x80 [ 8889.686748][ T10] fib6_nh_init+0x3d8/0x1580 [ 8889.686748][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8889.686748][ T10] ip6_route_add+0x1c/0x140 [ 8889.686748][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8889.686748][ T10] inet6_addr_add+0x4f8/0xa40 [ 8889.686748][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8889.686748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8889.686748][ T10] netlink_rcv_skb+0x130/0x360 [ 8889.686748][ T10] netlink_unicast+0x449/0x710 [ 8889.686748][ T10] netlink_sendmsg+0x723/0xbe0 [ 8889.686748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8889.686748][ T10] ___sys_sendmsg+0xee/0x170 [ 8889.686748][ T10] __sys_sendmsg+0xcd/0x170 [ 8889.686748][ T10] do_syscall_64+0xc6/0x1e0 [ 8889.686748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8889.686748][ T10] [ 8889.688747][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8889.688747][ T10] netdev_get_by_index+0x5e/0x80 [ 8889.688747][ T10] fib6_nh_init+0x3d8/0x1580 [ 8889.688747][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8889.688747][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8889.688747][ T10] ipv6_add_addr+0x411/0x2000 [ 8889.688747][ T10] inet6_addr_add+0x30e/0xa40 [ 8889.688747][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8889.688747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8889.688747][ T10] netlink_rcv_skb+0x130/0x360 [ 8889.688747][ T10] netlink_unicast+0x449/0x710 [ 8889.688747][ T10] netlink_sendmsg+0x723/0xbe0 [ 8889.688747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8889.688747][ T10] ___sys_sendmsg+0xee/0x170 [ 8889.688747][ T10] __sys_sendmsg+0xcd/0x170 [ 8889.688747][ T10] do_syscall_64+0xc6/0x1e0 [ 8889.688747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8889.688747][ T10] [ 8889.690743][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8889.690743][ T10] netdev_get_by_index+0x5e/0x80 [ 8889.690743][ T10] fib6_nh_init+0x3d8/0x1580 [ 8889.690743][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8889.690743][ T10] ip6_route_add+0x1c/0x140 [ 8889.690743][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8889.690743][ T10] addrconf_add_dev+0xe2/0x170 [ 8889.690743][ T10] inet6_addr_add+0x12f/0xa40 [ 8889.690743][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8889.690743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8889.690743][ T10] netlink_rcv_skb+0x130/0x360 [ 8889.690743][ T10] netlink_unicast+0x449/0x710 [ 8889.690743][ T10] netlink_sendmsg+0x723/0xbe0 [ 8889.690743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8889.690743][ T10] ___sys_sendmsg+0xee/0x170 [ 8889.690743][ T10] __sys_sendmsg+0xcd/0x170 [ 8889.690743][ T10] do_syscall_64+0xc6/0x1e0 [ 8889.690743][ T10] [ 8889.692720][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8889.692720][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8889.692720][ T10] ipv6_find_idev+0x102/0x170 [ 8889.692720][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8889.692720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8889.692720][ T10] netlink_rcv_skb+0x130/0x360 [ 8889.692720][ T10] netlink_unicast+0x449/0x710 [ 8889.692720][ T10] netlink_sendmsg+0x723/0xbe0 [ 8889.692720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8889.692720][ T10] ___sys_sendmsg+0xee/0x170 [ 8889.692720][ T10] __sys_sendmsg+0xcd/0x170 [ 8889.692720][ T10] do_syscall_64+0xc6/0x1e0 [ 8889.692720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8889.692720][ T10] [ 8889.694256][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8889.694256][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8889.694256][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8889.694256][ T10] ipv6_find_idev+0x102/0x170 [ 8889.694256][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8889.694256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8889.694256][ T10] netlink_rcv_skb+0x130/0x360 [ 8889.694256][ T10] netlink_unicast+0x449/0x710 [ 8889.694256][ T10] netlink_sendmsg+0x723/0xbe0 [ 8889.694256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8889.694256][ T10] ___sys_sendmsg+0xee/0x170 [ 8889.694256][ T10] __sys_sendmsg+0xcd/0x170 [ 8889.694256][ T10] do_syscall_64+0xc6/0x1e0 [ 8889.694256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8889.694256][ T10] [ 8889.695945][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8889.696189][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8889.696189][ T10] netdev_get_by_index+0x5e/0x80 [ 8889.696189][ T10] fib6_nh_init+0x3d8/0x1580 [ 8889.696189][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8889.696189][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8889.696189][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8889.696189][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8889.696189][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8889.696189][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8889.696189][ T10] addrconf_dad_begin+0x310/0x670 [ 8889.696189][ T10] addrconf_dad_work+0x10b/0xab0 [ 8889.696189][ T10] process_one_work+0x84d/0x18a0 [ 8889.696189][ T10] worker_thread+0x587/0xd30 [ 8889.696189][ T10] kthread+0x28a/0x350 [ 8889.696189][ T10] ret_from_fork+0x31/0x70 [ 8889.696189][ T10] ret_from_fork_asm+0x1a/0x30 [ 8889.696189][ T10] [ 8889.698104][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8889.698104][ T10] netdev_get_by_index+0x5e/0x80 [ 8889.698104][ T10] fib6_nh_init+0x3d8/0x1580 [ 8889.698104][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8889.698104][ T10] ip6_route_add+0x1c/0x140 [ 8889.698104][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8889.698104][ T10] inet6_addr_add+0x4f8/0xa40 [ 8889.698104][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8889.698104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8889.698104][ T10] netlink_rcv_skb+0x130/0x360 [ 8889.698104][ T10] netlink_unicast+0x449/0x710 [ 8889.698104][ T10] netlink_sendmsg+0x723/0xbe0 [ 8889.698104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8889.698104][ T10] ___sys_sendmsg+0xee/0x170 [ 8889.698104][ T10] __sys_sendmsg+0xcd/0x170 [ 8889.698104][ T10] do_syscall_64+0xc6/0x1e0 [ 8889.698104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8889.698104][ T10] [ 8889.700234][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8889.700234][ T10] netdev_get_by_index+0x5e/0x80 [ 8889.700234][ T10] fib6_nh_init+0x3d8/0x1580 [ 8889.700234][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8889.700234][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8889.700234][ T10] ipv6_add_addr+0x411/0x2000 [ 8889.700234][ T10] inet6_addr_add+0x30e/0xa40 [ 8889.700234][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8889.700234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8889.700234][ T10] netlink_rcv_skb+0x130/0x360 [ 8889.700234][ T10] netlink_unicast+0x449/0x710 [ 8889.700234][ T10] netlink_sendmsg+0x723/0xbe0 [ 8889.700234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8889.700234][ T10] ___sys_sendmsg+0xee/0x170 [ 8889.700234][ T10] __sys_sendmsg+0xcd/0x170 [ 8889.700234][ T10] do_syscall_64+0xc6/0x1e0 [ 8889.700234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8889.700234][ T10] [ 8889.702355][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8889.702355][ T10] netdev_get_by_index+0x5e/0x80 [ 8889.702355][ T10] fib6_nh_init+0x3d8/0x1580 [ 8889.702355][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8889.702355][ T10] ip6_route_add+0x1c/0x140 [ 8889.702355][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8889.702355][ T10] addrconf_add_dev+0xe2/0x170 [ 8889.702355][ T10] inet6_addr_add+0x12f/0xa40 [ 8889.702355][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8889.702355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8889.702355][ T10] netlink_rcv_skb+0x130/0x360 [ 8889.702355][ T10] netlink_unicast+0x449/0x710 [ 8889.702355][ T10] netlink_sendmsg+0x723/0xbe0 [ 8889.702355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8889.702355][ T10] ___sys_sendmsg+0xee/0x170 [ 8889.702355][ T10] __sys_sendmsg+0xcd/0x170 [ 8889.702355][ T10] do_syscall_64+0xc6/0x1e0 [ 8889.702355][ T10] [ 8889.704375][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8889.704375][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8889.704375][ T10] ipv6_find_idev+0x102/0x170 [ 8889.704375][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8889.704375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8889.704375][ T10] netlink_rcv_skb+0x130/0x360 [ 8889.704375][ T10] netlink_unicast+0x449/0x710 [ 8889.704375][ T10] netlink_sendmsg+0x723/0xbe0 [ 8889.704375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8889.704375][ T10] ___sys_sendmsg+0xee/0x170 [ 8889.704375][ T10] __sys_sendmsg+0xcd/0x170 [ 8889.704375][ T10] do_syscall_64+0xc6/0x1e0 [ 8889.704375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8889.704375][ T10] [ 8889.706059][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8889.706059][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8889.706059][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8889.706059][ T10] ipv6_find_idev+0x102/0x170 [ 8889.706059][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8889.706059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8889.706059][ T10] netlink_rcv_skb+0x130/0x360 [ 8889.706059][ T10] netlink_unicast+0x449/0x710 [ 8889.706059][ T10] netlink_sendmsg+0x723/0xbe0 [ 8889.706059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8889.706059][ T10] ___sys_sendmsg+0xee/0x170 [ 8889.706059][ T10] __sys_sendmsg+0xcd/0x170 [ 8889.706059][ T10] do_syscall_64+0xc6/0x1e0 [ 8889.706059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8889.706059][ T10] [ 8889.707931][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8889.708620][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8889.708620][ T10] netdev_get_by_index+0x5e/0x80 [ 8889.708620][ T10] fib6_nh_init+0x3d8/0x1580 [ 8889.708620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8889.708620][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8889.708620][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8889.708620][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8889.708620][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8889.708620][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8889.708620][ T10] addrconf_dad_begin+0x310/0x670 [ 8889.708620][ T10] addrconf_dad_work+0x10b/0xab0 [ 8889.708620][ T10] process_one_work+0x84d/0x18a0 [ 8889.708620][ T10] worker_thread+0x587/0xd30 [ 8889.708620][ T10] kthread+0x28a/0x350 [ 8889.708620][ T10] ret_from_fork+0x31/0x70 [ 8889.708620][ T10] ret_from_fork_asm+0x1a/0x30 [ 8889.708620][ T10] [ 8889.710531][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8889.710531][ T10] netdev_get_by_index+0x5e/0x80 [ 8889.710531][ T10] fib6_nh_init+0x3d8/0x1580 [ 8889.710531][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8889.710531][ T10] ip6_route_add+0x1c/0x140 [ 8889.710531][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8889.710531][ T10] inet6_addr_add+0x4f8/0xa40 [ 8889.710531][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8889.710531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8889.710531][ T10] netlink_rcv_skb+0x130/0x360 [ 8889.710531][ T10] netlink_unicast+0x449/0x710 [ 8889.710531][ T10] netlink_sendmsg+0x723/0xbe0 [ 8889.710531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8889.710531][ T10] ___sys_sendmsg+0xee/0x170 [ 8889.710531][ T10] __sys_sendmsg+0xcd/0x170 [ 8889.710531][ T10] do_syscall_64+0xc6/0x1e0 [ 8889.710531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8889.710531][ T10] [ 8889.712598][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8889.712598][ T10] netdev_get_by_index+0x5e/0x80 [ 8889.712598][ T10] fib6_nh_init+0x3d8/0x1580 [ 8889.712598][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8889.712598][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8889.712598][ T10] ipv6_add_addr+0x411/0x2000 [ 8889.712598][ T10] inet6_addr_add+0x30e/0xa40 [ 8889.712598][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8889.712598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8889.712598][ T10] netlink_rcv_skb+0x130/0x360 [ 8889.712598][ T10] netlink_unicast+0x449/0x710 [ 8889.712598][ T10] netlink_sendmsg+0x723/0xbe0 [ 8889.712598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8889.712598][ T10] ___sys_sendmsg+0xee/0x170 [ 8889.712598][ T10] __sys_sendmsg+0xcd/0x170 [ 8889.712598][ T10] do_syscall_64+0xc6/0x1e0 [ 8889.712598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8889.712598][ T10] [ 8889.714659][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8889.714659][ T10] netdev_get_by_index+0x5e/0x80 [ 8889.714659][ T10] fib6_nh_init+0x3d8/0x1580 [ 8889.714659][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8889.714659][ T10] ip6_route_add+0x1c/0x140 [ 8889.714659][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8889.714659][ T10] addrconf_add_dev+0xe2/0x170 [ 8889.714659][ T10] inet6_addr_add+0x12f/0xa40 [ 8889.714659][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8889.714659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8889.714659][ T10] netlink_rcv_skb+0x130/0x360 [ 8889.714659][ T10] netlink_unicast+0x449/0x710 [ 8889.714659][ T10] netlink_sendmsg+0x723/0xbe0 [ 8889.714659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8889.714659][ T10] ___sys_sendmsg+0xee/0x170 [ 8889.714659][ T10] __sys_sendmsg+0xcd/0x170 [ 8889.714659][ T10] do_syscall_64+0xc6/0x1e0 [ 8889.714659][ T10] [ 8889.716754][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8889.716754][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8889.716754][ T10] ipv6_find_idev+0x102/0x170 [ 8889.716754][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8889.716754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8889.716754][ T10] netlink_rcv_skb+0x130/0x360 [ 8889.716754][ T10] netlink_unicast+0x449/0x710 [ 8889.716754][ T10] netlink_sendmsg+0x723/0xbe0 [ 8889.716754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8889.716754][ T10] ___sys_sendmsg+0xee/0x170 [ 8889.716754][ T10] __sys_sendmsg+0xcd/0x170 [ 8889.716754][ T10] do_syscall_64+0xc6/0x1e0 [ 8889.716754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8889.716754][ T10] [ 8889.718452][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8889.718452][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8889.718452][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8889.718452][ T10] ipv6_find_idev+0x102/0x170 [ 8889.718452][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8889.718452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8889.718452][ T10] netlink_rcv_skb+0x130/0x360 [ 8889.718452][ T10] netlink_unicast+0x449/0x710 [ 8889.718452][ T10] netlink_sendmsg+0x723/0xbe0 [ 8889.718452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8889.718452][ T10] ___sys_sendmsg+0xee/0x170 [ 8889.718452][ T10] __sys_sendmsg+0xcd/0x170 [ 8889.718452][ T10] do_syscall_64+0xc6/0x1e0 [ 8889.718452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8889.718452][ T10] [ 8897.697130][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8897.697629][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8897.697629][ T1167] dst_init+0x84/0x4a0 [ 8897.697629][ T1167] dst_alloc+0x97/0x150 [ 8897.697629][ T1167] ip6_dst_alloc+0x23/0x90 [ 8897.697629][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8897.697629][ T1167] ip6_pol_route+0x56f/0x840 [ 8897.697629][ T1167] fib6_rule_lookup+0x334/0x630 [ 8897.697629][ T1167] ip6_route_output_flags+0x259/0x480 [ 8897.697629][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8897.697629][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8897.697629][ T1167] netlink_rcv_skb+0x130/0x360 [ 8897.697629][ T1167] netlink_unicast+0x449/0x710 [ 8897.697629][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8897.697629][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8897.697629][ T1167] ___sys_sendmsg+0xee/0x170 [ 8897.697629][ T1167] __sys_sendmsg+0xcd/0x170 [ 8897.697629][ T1167] do_syscall_64+0xc6/0x1e0 [ 8897.697629][ T1167] [ 8897.699824][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8897.699824][ T1167] netdev_get_by_index+0x5e/0x80 [ 8897.699824][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8897.699824][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8897.699824][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8897.699824][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8897.699824][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8897.699824][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8897.699824][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8897.699824][ T1167] addrconf_dad_begin+0x310/0x670 [ 8897.699824][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8897.699824][ T1167] process_one_work+0x84d/0x18a0 [ 8897.699824][ T1167] worker_thread+0x587/0xd30 [ 8897.699824][ T1167] kthread+0x28a/0x350 [ 8897.699824][ T1167] ret_from_fork+0x31/0x70 [ 8897.699824][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8897.699824][ T1167] [ 8897.701959][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8897.701959][ T1167] netdev_get_by_index+0x5e/0x80 [ 8897.701959][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8897.701959][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8897.701959][ T1167] ip6_route_add+0x1c/0x140 [ 8897.701959][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8897.701959][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8897.701959][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8897.701959][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8897.701959][ T1167] netlink_rcv_skb+0x130/0x360 [ 8897.701959][ T1167] netlink_unicast+0x449/0x710 [ 8897.701959][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8897.701959][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8897.701959][ T1167] ___sys_sendmsg+0xee/0x170 [ 8897.701959][ T1167] __sys_sendmsg+0xcd/0x170 [ 8897.701959][ T1167] do_syscall_64+0xc6/0x1e0 [ 8897.701959][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8897.701959][ T1167] [ 8897.704202][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8897.704202][ T1167] netdev_get_by_index+0x5e/0x80 [ 8897.704202][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8897.704202][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8897.704202][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8897.704202][ T1167] ipv6_add_addr+0x411/0x2000 [ 8897.704202][ T1167] inet6_addr_add+0x30e/0xa40 [ 8897.704202][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8897.704202][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8897.704202][ T1167] netlink_rcv_skb+0x130/0x360 [ 8897.704202][ T1167] netlink_unicast+0x449/0x710 [ 8897.704202][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8897.704202][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8897.704202][ T1167] ___sys_sendmsg+0xee/0x170 [ 8897.704202][ T1167] __sys_sendmsg+0xcd/0x170 [ 8897.704202][ T1167] do_syscall_64+0xc6/0x1e0 [ 8897.704202][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8897.704202][ T1167] [ 8897.706554][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8897.706554][ T1167] netdev_get_by_index+0x5e/0x80 [ 8897.706554][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8897.706554][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8897.706554][ T1167] ip6_route_add+0x1c/0x140 [ 8897.706554][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8897.706554][ T1167] addrconf_add_dev+0xe2/0x170 [ 8897.706554][ T1167] inet6_addr_add+0x12f/0xa40 [ 8897.706554][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8897.706554][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8897.706554][ T1167] netlink_rcv_skb+0x130/0x360 [ 8897.706554][ T1167] netlink_unicast+0x449/0x710 [ 8897.706554][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8897.706554][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8897.706554][ T1167] ___sys_sendmsg+0xee/0x170 [ 8897.706554][ T1167] __sys_sendmsg+0xcd/0x170 [ 8897.706554][ T1167] do_syscall_64+0xc6/0x1e0 [ 8897.706554][ T1167] [ 8897.708753][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8897.708753][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8897.708753][ T1167] ipv6_find_idev+0x102/0x170 [ 8897.708753][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8897.708753][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8897.708753][ T1167] netlink_rcv_skb+0x130/0x360 [ 8897.708753][ T1167] netlink_unicast+0x449/0x710 [ 8897.708753][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8897.708753][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8897.708753][ T1167] ___sys_sendmsg+0xee/0x170 [ 8897.708753][ T1167] __sys_sendmsg+0xcd/0x170 [ 8897.708753][ T1167] do_syscall_64+0xc6/0x1e0 [ 8897.708753][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8897.708753][ T1167] [ 8897.710474][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8897.710474][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8897.710474][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8897.710474][ T1167] ipv6_find_idev+0x102/0x170 [ 8897.710474][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8897.710474][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8897.710474][ T1167] netlink_rcv_skb+0x130/0x360 [ 8897.710474][ T1167] netlink_unicast+0x449/0x710 [ 8897.710474][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8897.710474][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8897.710474][ T1167] ___sys_sendmsg+0xee/0x170 [ 8897.710474][ T1167] __sys_sendmsg+0xcd/0x170 [ 8897.710474][ T1167] do_syscall_64+0xc6/0x1e0 [ 8897.710474][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8897.710474][ T1167] [ 8899.961033][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8899.961413][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8899.961413][ T10] netdev_get_by_index+0x5e/0x80 [ 8899.961413][ T10] fib6_nh_init+0x3d8/0x1580 [ 8899.961413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8899.961413][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8899.961413][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8899.961413][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8899.961413][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8899.961413][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8899.961413][ T10] addrconf_dad_begin+0x310/0x670 [ 8899.961413][ T10] addrconf_dad_work+0x10b/0xab0 [ 8899.961413][ T10] process_one_work+0x84d/0x18a0 [ 8899.961413][ T10] worker_thread+0x587/0xd30 [ 8899.961413][ T10] kthread+0x28a/0x350 [ 8899.961413][ T10] ret_from_fork+0x31/0x70 [ 8899.961413][ T10] ret_from_fork_asm+0x1a/0x30 [ 8899.961413][ T10] [ 8899.963344][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8899.963344][ T10] netdev_get_by_index+0x5e/0x80 [ 8899.963344][ T10] fib6_nh_init+0x3d8/0x1580 [ 8899.963344][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8899.963344][ T10] ip6_route_add+0x1c/0x140 [ 8899.963344][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8899.963344][ T10] inet6_addr_add+0x4f8/0xa40 [ 8899.963344][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8899.963344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8899.963344][ T10] netlink_rcv_skb+0x130/0x360 [ 8899.963344][ T10] netlink_unicast+0x449/0x710 [ 8899.963344][ T10] netlink_sendmsg+0x723/0xbe0 [ 8899.963344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8899.963344][ T10] ___sys_sendmsg+0xee/0x170 [ 8899.963344][ T10] __sys_sendmsg+0xcd/0x170 [ 8899.963344][ T10] do_syscall_64+0xc6/0x1e0 [ 8899.963344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8899.963344][ T10] [ 8899.965361][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8899.965361][ T10] netdev_get_by_index+0x5e/0x80 [ 8899.965361][ T10] fib6_nh_init+0x3d8/0x1580 [ 8899.965361][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8899.965361][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8899.965361][ T10] ipv6_add_addr+0x411/0x2000 [ 8899.965361][ T10] inet6_addr_add+0x30e/0xa40 [ 8899.965361][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8899.965361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8899.965361][ T10] netlink_rcv_skb+0x130/0x360 [ 8899.965361][ T10] netlink_unicast+0x449/0x710 [ 8899.965361][ T10] netlink_sendmsg+0x723/0xbe0 [ 8899.965361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8899.965361][ T10] ___sys_sendmsg+0xee/0x170 [ 8899.965361][ T10] __sys_sendmsg+0xcd/0x170 [ 8899.965361][ T10] do_syscall_64+0xc6/0x1e0 [ 8899.965361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8899.965361][ T10] [ 8899.967363][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8899.967363][ T10] netdev_get_by_index+0x5e/0x80 [ 8899.967363][ T10] fib6_nh_init+0x3d8/0x1580 [ 8899.967363][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8899.967363][ T10] ip6_route_add+0x1c/0x140 [ 8899.967363][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8899.967363][ T10] addrconf_add_dev+0xe2/0x170 [ 8899.967363][ T10] inet6_addr_add+0x12f/0xa40 [ 8899.967363][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8899.967363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8899.967363][ T10] netlink_rcv_skb+0x130/0x360 [ 8899.967363][ T10] netlink_unicast+0x449/0x710 [ 8899.967363][ T10] netlink_sendmsg+0x723/0xbe0 [ 8899.967363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8899.967363][ T10] ___sys_sendmsg+0xee/0x170 [ 8899.967363][ T10] __sys_sendmsg+0xcd/0x170 [ 8899.967363][ T10] do_syscall_64+0xc6/0x1e0 [ 8899.967363][ T10] [ 8899.969316][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8899.969316][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8899.969316][ T10] ipv6_find_idev+0x102/0x170 [ 8899.969316][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8899.969316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8899.969316][ T10] netlink_rcv_skb+0x130/0x360 [ 8899.969316][ T10] netlink_unicast+0x449/0x710 [ 8899.969316][ T10] netlink_sendmsg+0x723/0xbe0 [ 8899.969316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8899.969316][ T10] ___sys_sendmsg+0xee/0x170 [ 8899.969316][ T10] __sys_sendmsg+0xcd/0x170 [ 8899.969316][ T10] do_syscall_64+0xc6/0x1e0 [ 8899.969316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8899.969316][ T10] [ 8899.970949][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8899.970949][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8899.970949][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8899.970949][ T10] ipv6_find_idev+0x102/0x170 [ 8899.970949][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8899.970949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8899.970949][ T10] netlink_rcv_skb+0x130/0x360 [ 8899.970949][ T10] netlink_unicast+0x449/0x710 [ 8899.970949][ T10] netlink_sendmsg+0x723/0xbe0 [ 8899.970949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8899.970949][ T10] ___sys_sendmsg+0xee/0x170 [ 8899.970949][ T10] __sys_sendmsg+0xcd/0x170 [ 8899.970949][ T10] do_syscall_64+0xc6/0x1e0 [ 8899.970949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8899.970949][ T10] [ 8899.972637][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8899.972877][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8899.972877][ T10] netdev_get_by_index+0x5e/0x80 [ 8899.972877][ T10] fib6_nh_init+0x3d8/0x1580 [ 8899.972877][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8899.972877][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8899.972877][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8899.972877][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8899.972877][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8899.972877][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8899.972877][ T10] addrconf_dad_begin+0x310/0x670 [ 8899.972877][ T10] addrconf_dad_work+0x10b/0xab0 [ 8899.972877][ T10] process_one_work+0x84d/0x18a0 [ 8899.972877][ T10] worker_thread+0x587/0xd30 [ 8899.972877][ T10] kthread+0x28a/0x350 [ 8899.972877][ T10] ret_from_fork+0x31/0x70 [ 8899.972877][ T10] ret_from_fork_asm+0x1a/0x30 [ 8899.972877][ T10] [ 8899.974771][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8899.974771][ T10] netdev_get_by_index+0x5e/0x80 [ 8899.974771][ T10] fib6_nh_init+0x3d8/0x1580 [ 8899.974771][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8899.974771][ T10] ip6_route_add+0x1c/0x140 [ 8899.974771][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8899.974771][ T10] inet6_addr_add+0x4f8/0xa40 [ 8899.974771][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8899.974771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8899.974771][ T10] netlink_rcv_skb+0x130/0x360 [ 8899.974771][ T10] netlink_unicast+0x449/0x710 [ 8899.974771][ T10] netlink_sendmsg+0x723/0xbe0 [ 8899.974771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8899.974771][ T10] ___sys_sendmsg+0xee/0x170 [ 8899.974771][ T10] __sys_sendmsg+0xcd/0x170 [ 8899.974771][ T10] do_syscall_64+0xc6/0x1e0 [ 8899.974771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8899.974771][ T10] [ 8899.976769][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8899.976769][ T10] netdev_get_by_index+0x5e/0x80 [ 8899.976769][ T10] fib6_nh_init+0x3d8/0x1580 [ 8899.976769][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8899.976769][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8899.976769][ T10] ipv6_add_addr+0x411/0x2000 [ 8899.976769][ T10] inet6_addr_add+0x30e/0xa40 [ 8899.976769][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8899.976769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8899.976769][ T10] netlink_rcv_skb+0x130/0x360 [ 8899.976769][ T10] netlink_unicast+0x449/0x710 [ 8899.976769][ T10] netlink_sendmsg+0x723/0xbe0 [ 8899.976769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8899.976769][ T10] ___sys_sendmsg+0xee/0x170 [ 8899.976769][ T10] __sys_sendmsg+0xcd/0x170 [ 8899.976769][ T10] do_syscall_64+0xc6/0x1e0 [ 8899.976769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8899.976769][ T10] [ 8899.978785][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8899.978785][ T10] netdev_get_by_index+0x5e/0x80 [ 8899.978785][ T10] fib6_nh_init+0x3d8/0x1580 [ 8899.978785][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8899.978785][ T10] ip6_route_add+0x1c/0x140 [ 8899.978785][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8899.978785][ T10] addrconf_add_dev+0xe2/0x170 [ 8899.978785][ T10] inet6_addr_add+0x12f/0xa40 [ 8899.978785][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8899.978785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8899.978785][ T10] netlink_rcv_skb+0x130/0x360 [ 8899.978785][ T10] netlink_unicast+0x449/0x710 [ 8899.978785][ T10] netlink_sendmsg+0x723/0xbe0 [ 8899.978785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8899.978785][ T10] ___sys_sendmsg+0xee/0x170 [ 8899.978785][ T10] __sys_sendmsg+0xcd/0x170 [ 8899.978785][ T10] do_syscall_64+0xc6/0x1e0 [ 8899.978785][ T10] [ 8899.980743][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8899.980743][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8899.980743][ T10] ipv6_find_idev+0x102/0x170 [ 8899.980743][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8899.980743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8899.980743][ T10] netlink_rcv_skb+0x130/0x360 [ 8899.980743][ T10] netlink_unicast+0x449/0x710 [ 8899.980743][ T10] netlink_sendmsg+0x723/0xbe0 [ 8899.980743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8899.980743][ T10] ___sys_sendmsg+0xee/0x170 [ 8899.980743][ T10] __sys_sendmsg+0xcd/0x170 [ 8899.980743][ T10] do_syscall_64+0xc6/0x1e0 [ 8899.980743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8899.980743][ T10] [ 8899.982284][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8899.982284][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8899.982284][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8899.982284][ T10] ipv6_find_idev+0x102/0x170 [ 8899.982284][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8899.982284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8899.982284][ T10] netlink_rcv_skb+0x130/0x360 [ 8899.982284][ T10] netlink_unicast+0x449/0x710 [ 8899.982284][ T10] netlink_sendmsg+0x723/0xbe0 [ 8899.982284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8899.982284][ T10] ___sys_sendmsg+0xee/0x170 [ 8899.982284][ T10] __sys_sendmsg+0xcd/0x170 [ 8899.982284][ T10] do_syscall_64+0xc6/0x1e0 [ 8899.982284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8899.982284][ T10] [ 8899.983980][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8899.984230][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8899.984230][ T10] netdev_get_by_index+0x5e/0x80 [ 8899.984230][ T10] fib6_nh_init+0x3d8/0x1580 [ 8899.984230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8899.984230][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8899.984230][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8899.984230][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8899.984230][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8899.984230][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8899.984230][ T10] addrconf_dad_begin+0x310/0x670 [ 8899.984230][ T10] addrconf_dad_work+0x10b/0xab0 [ 8899.984230][ T10] process_one_work+0x84d/0x18a0 [ 8899.984230][ T10] worker_thread+0x587/0xd30 [ 8899.984230][ T10] kthread+0x28a/0x350 [ 8899.984230][ T10] ret_from_fork+0x31/0x70 [ 8899.984230][ T10] ret_from_fork_asm+0x1a/0x30 [ 8899.984230][ T10] [ 8899.986140][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8899.986140][ T10] netdev_get_by_index+0x5e/0x80 [ 8899.986140][ T10] fib6_nh_init+0x3d8/0x1580 [ 8899.986140][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8899.986140][ T10] ip6_route_add+0x1c/0x140 [ 8899.986140][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8899.986140][ T10] inet6_addr_add+0x4f8/0xa40 [ 8899.986140][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8899.986140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8899.986140][ T10] netlink_rcv_skb+0x130/0x360 [ 8899.986140][ T10] netlink_unicast+0x449/0x710 [ 8899.986140][ T10] netlink_sendmsg+0x723/0xbe0 [ 8899.986140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8899.986140][ T10] ___sys_sendmsg+0xee/0x170 [ 8899.986140][ T10] __sys_sendmsg+0xcd/0x170 [ 8899.986140][ T10] do_syscall_64+0xc6/0x1e0 [ 8899.986140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8899.986140][ T10] [ 8899.988276][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8899.988276][ T10] netdev_get_by_index+0x5e/0x80 [ 8899.988276][ T10] fib6_nh_init+0x3d8/0x1580 [ 8899.988276][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8899.988276][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8899.988276][ T10] ipv6_add_addr+0x411/0x2000 [ 8899.988276][ T10] inet6_addr_add+0x30e/0xa40 [ 8899.988276][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8899.988276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8899.988276][ T10] netlink_rcv_skb+0x130/0x360 [ 8899.988276][ T10] netlink_unicast+0x449/0x710 [ 8899.988276][ T10] netlink_sendmsg+0x723/0xbe0 [ 8899.988276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8899.988276][ T10] ___sys_sendmsg+0xee/0x170 [ 8899.988276][ T10] __sys_sendmsg+0xcd/0x170 [ 8899.988276][ T10] do_syscall_64+0xc6/0x1e0 [ 8899.988276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8899.988276][ T10] [ 8899.990424][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8899.990424][ T10] netdev_get_by_index+0x5e/0x80 [ 8899.990424][ T10] fib6_nh_init+0x3d8/0x1580 [ 8899.990424][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8899.990424][ T10] ip6_route_add+0x1c/0x140 [ 8899.990424][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8899.990424][ T10] addrconf_add_dev+0xe2/0x170 [ 8899.990424][ T10] inet6_addr_add+0x12f/0xa40 [ 8899.990424][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8899.990424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8899.990424][ T10] netlink_rcv_skb+0x130/0x360 [ 8899.990424][ T10] netlink_unicast+0x449/0x710 [ 8899.990424][ T10] netlink_sendmsg+0x723/0xbe0 [ 8899.990424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8899.990424][ T10] ___sys_sendmsg+0xee/0x170 [ 8899.990424][ T10] __sys_sendmsg+0xcd/0x170 [ 8899.990424][ T10] do_syscall_64+0xc6/0x1e0 [ 8899.990424][ T10] [ 8899.992530][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8899.992530][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8899.992530][ T10] ipv6_find_idev+0x102/0x170 [ 8899.992530][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8899.992530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8899.992530][ T10] netlink_rcv_skb+0x130/0x360 [ 8899.992530][ T10] netlink_unicast+0x449/0x710 [ 8899.992530][ T10] netlink_sendmsg+0x723/0xbe0 [ 8899.992530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8899.992530][ T10] ___sys_sendmsg+0xee/0x170 [ 8899.992530][ T10] __sys_sendmsg+0xcd/0x170 [ 8899.992530][ T10] do_syscall_64+0xc6/0x1e0 [ 8899.992530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8899.992530][ T10] [ 8899.994133][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8899.994133][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8899.994133][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8899.994133][ T10] ipv6_find_idev+0x102/0x170 [ 8899.994133][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8899.994133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8899.994133][ T10] netlink_rcv_skb+0x130/0x360 [ 8899.994133][ T10] netlink_unicast+0x449/0x710 [ 8899.994133][ T10] netlink_sendmsg+0x723/0xbe0 [ 8899.994133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8899.994133][ T10] ___sys_sendmsg+0xee/0x170 [ 8899.994133][ T10] __sys_sendmsg+0xcd/0x170 [ 8899.994133][ T10] do_syscall_64+0xc6/0x1e0 [ 8899.994133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8899.994133][ T10] [ 8899.995959][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8899.996642][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8899.996642][ T10] netdev_get_by_index+0x5e/0x80 [ 8899.996642][ T10] fib6_nh_init+0x3d8/0x1580 [ 8899.996642][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8899.996642][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8899.996642][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8899.996642][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8899.996642][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8899.996642][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8899.996642][ T10] addrconf_dad_begin+0x310/0x670 [ 8899.996642][ T10] addrconf_dad_work+0x10b/0xab0 [ 8899.996642][ T10] process_one_work+0x84d/0x18a0 [ 8899.996642][ T10] worker_thread+0x587/0xd30 [ 8899.996642][ T10] kthread+0x28a/0x350 [ 8899.996642][ T10] ret_from_fork+0x31/0x70 [ 8899.996642][ T10] ret_from_fork_asm+0x1a/0x30 [ 8899.996642][ T10] [ 8899.998552][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8899.998552][ T10] netdev_get_by_index+0x5e/0x80 [ 8899.998552][ T10] fib6_nh_init+0x3d8/0x1580 [ 8899.998552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8899.998552][ T10] ip6_route_add+0x1c/0x140 [ 8899.998552][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8899.998552][ T10] inet6_addr_add+0x4f8/0xa40 [ 8899.998552][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8899.998552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8899.998552][ T10] netlink_rcv_skb+0x130/0x360 [ 8899.998552][ T10] netlink_unicast+0x449/0x710 [ 8899.998552][ T10] netlink_sendmsg+0x723/0xbe0 [ 8899.998552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8899.998552][ T10] ___sys_sendmsg+0xee/0x170 [ 8899.998552][ T10] __sys_sendmsg+0xcd/0x170 [ 8899.998552][ T10] do_syscall_64+0xc6/0x1e0 [ 8899.998552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8899.998552][ T10] [ 8900.000615][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8900.000615][ T10] netdev_get_by_index+0x5e/0x80 [ 8900.000615][ T10] fib6_nh_init+0x3d8/0x1580 [ 8900.000615][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8900.000615][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8900.000615][ T10] ipv6_add_addr+0x411/0x2000 [ 8900.000615][ T10] inet6_addr_add+0x30e/0xa40 [ 8900.000615][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8900.000615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8900.000615][ T10] netlink_rcv_skb+0x130/0x360 [ 8900.000615][ T10] netlink_unicast+0x449/0x710 [ 8900.000615][ T10] netlink_sendmsg+0x723/0xbe0 [ 8900.000615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8900.000615][ T10] ___sys_sendmsg+0xee/0x170 [ 8900.000615][ T10] __sys_sendmsg+0xcd/0x170 [ 8900.000615][ T10] do_syscall_64+0xc6/0x1e0 [ 8900.000615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8900.000615][ T10] [ 8900.002928][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8900.002928][ T10] netdev_get_by_index+0x5e/0x80 [ 8900.002928][ T10] fib6_nh_init+0x3d8/0x1580 [ 8900.002928][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8900.002928][ T10] ip6_route_add+0x1c/0x140 [ 8900.002928][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8900.002928][ T10] addrconf_add_dev+0xe2/0x170 [ 8900.002928][ T10] inet6_addr_add+0x12f/0xa40 [ 8900.002928][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8900.002928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8900.002928][ T10] netlink_rcv_skb+0x130/0x360 [ 8900.002928][ T10] netlink_unicast+0x449/0x710 [ 8900.002928][ T10] netlink_sendmsg+0x723/0xbe0 [ 8900.002928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8900.002928][ T10] ___sys_sendmsg+0xee/0x170 [ 8900.002928][ T10] __sys_sendmsg+0xcd/0x170 [ 8900.002928][ T10] do_syscall_64+0xc6/0x1e0 [ 8900.002928][ T10] [ 8900.005016][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8900.005016][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8900.005016][ T10] ipv6_find_idev+0x102/0x170 [ 8900.005016][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8900.005016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8900.005016][ T10] netlink_rcv_skb+0x130/0x360 [ 8900.005016][ T10] netlink_unicast+0x449/0x710 [ 8900.005016][ T10] netlink_sendmsg+0x723/0xbe0 [ 8900.005016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8900.005016][ T10] ___sys_sendmsg+0xee/0x170 [ 8900.005016][ T10] __sys_sendmsg+0xcd/0x170 [ 8900.005016][ T10] do_syscall_64+0xc6/0x1e0 [ 8900.005016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8900.005016][ T10] [ 8900.006624][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8900.006624][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8900.006624][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8900.006624][ T10] ipv6_find_idev+0x102/0x170 [ 8900.006624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8900.006624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8900.006624][ T10] netlink_rcv_skb+0x130/0x360 [ 8900.006624][ T10] netlink_unicast+0x449/0x710 [ 8900.006624][ T10] netlink_sendmsg+0x723/0xbe0 [ 8900.006624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8900.006624][ T10] ___sys_sendmsg+0xee/0x170 [ 8900.006624][ T10] __sys_sendmsg+0xcd/0x170 [ 8900.006624][ T10] do_syscall_64+0xc6/0x1e0 [ 8900.006624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8900.006624][ T10] [ 8907.953097][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8907.953574][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8907.953574][ T1167] dst_init+0x84/0x4a0 [ 8907.953574][ T1167] dst_alloc+0x97/0x150 [ 8907.953574][ T1167] ip6_dst_alloc+0x23/0x90 [ 8907.953574][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8907.953574][ T1167] ip6_pol_route+0x56f/0x840 [ 8907.953574][ T1167] fib6_rule_lookup+0x334/0x630 [ 8907.953574][ T1167] ip6_route_output_flags+0x259/0x480 [ 8907.953574][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8907.953574][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8907.953574][ T1167] netlink_rcv_skb+0x130/0x360 [ 8907.953574][ T1167] netlink_unicast+0x449/0x710 [ 8907.953574][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8907.953574][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8907.953574][ T1167] ___sys_sendmsg+0xee/0x170 [ 8907.953574][ T1167] __sys_sendmsg+0xcd/0x170 [ 8907.953574][ T1167] do_syscall_64+0xc6/0x1e0 [ 8907.953574][ T1167] [ 8907.955769][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8907.955769][ T1167] netdev_get_by_index+0x5e/0x80 [ 8907.955769][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8907.955769][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8907.955769][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8907.955769][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8907.955769][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8907.955769][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8907.955769][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8907.955769][ T1167] addrconf_dad_begin+0x310/0x670 [ 8907.955769][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8907.955769][ T1167] process_one_work+0x84d/0x18a0 [ 8907.955769][ T1167] worker_thread+0x587/0xd30 [ 8907.955769][ T1167] kthread+0x28a/0x350 [ 8907.955769][ T1167] ret_from_fork+0x31/0x70 [ 8907.955769][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8907.955769][ T1167] [ 8907.957926][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8907.957926][ T1167] netdev_get_by_index+0x5e/0x80 [ 8907.957926][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8907.957926][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8907.957926][ T1167] ip6_route_add+0x1c/0x140 [ 8907.957926][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8907.957926][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8907.957926][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8907.957926][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8907.957926][ T1167] netlink_rcv_skb+0x130/0x360 [ 8907.957926][ T1167] netlink_unicast+0x449/0x710 [ 8907.957926][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8907.957926][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8907.957926][ T1167] ___sys_sendmsg+0xee/0x170 [ 8907.957926][ T1167] __sys_sendmsg+0xcd/0x170 [ 8907.957926][ T1167] do_syscall_64+0xc6/0x1e0 [ 8907.957926][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8907.957926][ T1167] [ 8907.960159][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8907.960159][ T1167] netdev_get_by_index+0x5e/0x80 [ 8907.960159][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8907.960159][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8907.960159][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8907.960159][ T1167] ipv6_add_addr+0x411/0x2000 [ 8907.960159][ T1167] inet6_addr_add+0x30e/0xa40 [ 8907.960159][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8907.960159][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8907.960159][ T1167] netlink_rcv_skb+0x130/0x360 [ 8907.960159][ T1167] netlink_unicast+0x449/0x710 [ 8907.960159][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8907.960159][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8907.960159][ T1167] ___sys_sendmsg+0xee/0x170 [ 8907.960159][ T1167] __sys_sendmsg+0xcd/0x170 [ 8907.960159][ T1167] do_syscall_64+0xc6/0x1e0 [ 8907.960159][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8907.960159][ T1167] [ 8907.962515][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8907.962515][ T1167] netdev_get_by_index+0x5e/0x80 [ 8907.962515][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8907.962515][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8907.962515][ T1167] ip6_route_add+0x1c/0x140 [ 8907.962515][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8907.962515][ T1167] addrconf_add_dev+0xe2/0x170 [ 8907.962515][ T1167] inet6_addr_add+0x12f/0xa40 [ 8907.962515][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8907.962515][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8907.962515][ T1167] netlink_rcv_skb+0x130/0x360 [ 8907.962515][ T1167] netlink_unicast+0x449/0x710 [ 8907.962515][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8907.962515][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8907.962515][ T1167] ___sys_sendmsg+0xee/0x170 [ 8907.962515][ T1167] __sys_sendmsg+0xcd/0x170 [ 8907.962515][ T1167] do_syscall_64+0xc6/0x1e0 [ 8907.962515][ T1167] [ 8907.964721][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8907.964721][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8907.964721][ T1167] ipv6_find_idev+0x102/0x170 [ 8907.964721][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8907.964721][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8907.964721][ T1167] netlink_rcv_skb+0x130/0x360 [ 8907.964721][ T1167] netlink_unicast+0x449/0x710 [ 8907.964721][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8907.964721][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8907.964721][ T1167] ___sys_sendmsg+0xee/0x170 [ 8907.964721][ T1167] __sys_sendmsg+0xcd/0x170 [ 8907.964721][ T1167] do_syscall_64+0xc6/0x1e0 [ 8907.964721][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8907.964721][ T1167] [ 8907.966974][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8907.966974][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8907.966974][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8907.966974][ T1167] ipv6_find_idev+0x102/0x170 [ 8907.966974][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8907.966974][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8907.966974][ T1167] netlink_rcv_skb+0x130/0x360 [ 8907.966974][ T1167] netlink_unicast+0x449/0x710 [ 8907.966974][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8907.966974][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8907.966974][ T1167] ___sys_sendmsg+0xee/0x170 [ 8907.966974][ T1167] __sys_sendmsg+0xcd/0x170 [ 8907.966974][ T1167] do_syscall_64+0xc6/0x1e0 [ 8907.966974][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8907.966974][ T1167] [ 8910.249103][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8910.249491][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8910.249491][ T10] netdev_get_by_index+0x5e/0x80 [ 8910.249491][ T10] fib6_nh_init+0x3d8/0x1580 [ 8910.249491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8910.249491][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8910.249491][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8910.249491][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8910.249491][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8910.249491][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8910.249491][ T10] addrconf_dad_begin+0x310/0x670 [ 8910.249491][ T10] addrconf_dad_work+0x10b/0xab0 [ 8910.249491][ T10] process_one_work+0x84d/0x18a0 [ 8910.249491][ T10] worker_thread+0x587/0xd30 [ 8910.249491][ T10] kthread+0x28a/0x350 [ 8910.249491][ T10] ret_from_fork+0x31/0x70 [ 8910.249491][ T10] ret_from_fork_asm+0x1a/0x30 [ 8910.249491][ T10] [ 8910.251422][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8910.251422][ T10] netdev_get_by_index+0x5e/0x80 [ 8910.251422][ T10] fib6_nh_init+0x3d8/0x1580 [ 8910.251422][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8910.251422][ T10] ip6_route_add+0x1c/0x140 [ 8910.251422][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8910.251422][ T10] inet6_addr_add+0x4f8/0xa40 [ 8910.251422][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8910.251422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8910.251422][ T10] netlink_rcv_skb+0x130/0x360 [ 8910.251422][ T10] netlink_unicast+0x449/0x710 [ 8910.251422][ T10] netlink_sendmsg+0x723/0xbe0 [ 8910.251422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8910.251422][ T10] ___sys_sendmsg+0xee/0x170 [ 8910.251422][ T10] __sys_sendmsg+0xcd/0x170 [ 8910.251422][ T10] do_syscall_64+0xc6/0x1e0 [ 8910.251422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8910.251422][ T10] [ 8910.253409][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8910.253409][ T10] netdev_get_by_index+0x5e/0x80 [ 8910.253409][ T10] fib6_nh_init+0x3d8/0x1580 [ 8910.253409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8910.253409][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8910.253409][ T10] ipv6_add_addr+0x411/0x2000 [ 8910.253409][ T10] inet6_addr_add+0x30e/0xa40 [ 8910.253409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8910.253409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8910.253409][ T10] netlink_rcv_skb+0x130/0x360 [ 8910.253409][ T10] netlink_unicast+0x449/0x710 [ 8910.253409][ T10] netlink_sendmsg+0x723/0xbe0 [ 8910.253409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8910.253409][ T10] ___sys_sendmsg+0xee/0x170 [ 8910.253409][ T10] __sys_sendmsg+0xcd/0x170 [ 8910.253409][ T10] do_syscall_64+0xc6/0x1e0 [ 8910.253409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8910.253409][ T10] [ 8910.255395][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8910.255395][ T10] netdev_get_by_index+0x5e/0x80 [ 8910.255395][ T10] fib6_nh_init+0x3d8/0x1580 [ 8910.255395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8910.255395][ T10] ip6_route_add+0x1c/0x140 [ 8910.255395][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8910.255395][ T10] addrconf_add_dev+0xe2/0x170 [ 8910.255395][ T10] inet6_addr_add+0x12f/0xa40 [ 8910.255395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8910.255395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8910.255395][ T10] netlink_rcv_skb+0x130/0x360 [ 8910.255395][ T10] netlink_unicast+0x449/0x710 [ 8910.255395][ T10] netlink_sendmsg+0x723/0xbe0 [ 8910.255395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8910.255395][ T10] ___sys_sendmsg+0xee/0x170 [ 8910.255395][ T10] __sys_sendmsg+0xcd/0x170 [ 8910.255395][ T10] do_syscall_64+0xc6/0x1e0 [ 8910.255395][ T10] [ 8910.257359][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8910.257359][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8910.257359][ T10] ipv6_find_idev+0x102/0x170 [ 8910.257359][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8910.257359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8910.257359][ T10] netlink_rcv_skb+0x130/0x360 [ 8910.257359][ T10] netlink_unicast+0x449/0x710 [ 8910.257359][ T10] netlink_sendmsg+0x723/0xbe0 [ 8910.257359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8910.257359][ T10] ___sys_sendmsg+0xee/0x170 [ 8910.257359][ T10] __sys_sendmsg+0xcd/0x170 [ 8910.257359][ T10] do_syscall_64+0xc6/0x1e0 [ 8910.257359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8910.257359][ T10] [ 8910.259428][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8910.259428][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8910.259428][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8910.259428][ T10] ipv6_find_idev+0x102/0x170 [ 8910.259428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8910.259428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8910.259428][ T10] netlink_rcv_skb+0x130/0x360 [ 8910.259428][ T10] netlink_unicast+0x449/0x710 [ 8910.259428][ T10] netlink_sendmsg+0x723/0xbe0 [ 8910.259428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8910.259428][ T10] ___sys_sendmsg+0xee/0x170 [ 8910.259428][ T10] __sys_sendmsg+0xcd/0x170 [ 8910.259428][ T10] do_syscall_64+0xc6/0x1e0 [ 8910.259428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8910.259428][ T10] [ 8910.261101][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8910.261341][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8910.261341][ T10] netdev_get_by_index+0x5e/0x80 [ 8910.261341][ T10] fib6_nh_init+0x3d8/0x1580 [ 8910.261341][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8910.261341][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8910.261341][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8910.261341][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8910.261341][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8910.261341][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8910.261341][ T10] addrconf_dad_begin+0x310/0x670 [ 8910.261341][ T10] addrconf_dad_work+0x10b/0xab0 [ 8910.261341][ T10] process_one_work+0x84d/0x18a0 [ 8910.261341][ T10] worker_thread+0x587/0xd30 [ 8910.261341][ T10] kthread+0x28a/0x350 [ 8910.261341][ T10] ret_from_fork+0x31/0x70 [ 8910.261341][ T10] ret_from_fork_asm+0x1a/0x30 [ 8910.261341][ T10] [ 8910.263229][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8910.263229][ T10] netdev_get_by_index+0x5e/0x80 [ 8910.263229][ T10] fib6_nh_init+0x3d8/0x1580 [ 8910.263229][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8910.263229][ T10] ip6_route_add+0x1c/0x140 [ 8910.263229][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8910.263229][ T10] inet6_addr_add+0x4f8/0xa40 [ 8910.263229][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8910.263229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8910.263229][ T10] netlink_rcv_skb+0x130/0x360 [ 8910.263229][ T10] netlink_unicast+0x449/0x710 [ 8910.263229][ T10] netlink_sendmsg+0x723/0xbe0 [ 8910.263229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8910.263229][ T10] ___sys_sendmsg+0xee/0x170 [ 8910.263229][ T10] __sys_sendmsg+0xcd/0x170 [ 8910.263229][ T10] do_syscall_64+0xc6/0x1e0 [ 8910.263229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8910.263229][ T10] [ 8910.265212][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8910.265212][ T10] netdev_get_by_index+0x5e/0x80 [ 8910.265212][ T10] fib6_nh_init+0x3d8/0x1580 [ 8910.265212][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8910.265212][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8910.265212][ T10] ipv6_add_addr+0x411/0x2000 [ 8910.265212][ T10] inet6_addr_add+0x30e/0xa40 [ 8910.265212][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8910.265212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8910.265212][ T10] netlink_rcv_skb+0x130/0x360 [ 8910.265212][ T10] netlink_unicast+0x449/0x710 [ 8910.265212][ T10] netlink_sendmsg+0x723/0xbe0 [ 8910.265212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8910.265212][ T10] ___sys_sendmsg+0xee/0x170 [ 8910.265212][ T10] __sys_sendmsg+0xcd/0x170 [ 8910.265212][ T10] do_syscall_64+0xc6/0x1e0 [ 8910.265212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8910.265212][ T10] [ 8910.267198][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8910.267198][ T10] netdev_get_by_index+0x5e/0x80 [ 8910.267198][ T10] fib6_nh_init+0x3d8/0x1580 [ 8910.267198][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8910.267198][ T10] ip6_route_add+0x1c/0x140 [ 8910.267198][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8910.267198][ T10] addrconf_add_dev+0xe2/0x170 [ 8910.267198][ T10] inet6_addr_add+0x12f/0xa40 [ 8910.267198][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8910.267198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8910.267198][ T10] netlink_rcv_skb+0x130/0x360 [ 8910.267198][ T10] netlink_unicast+0x449/0x710 [ 8910.267198][ T10] netlink_sendmsg+0x723/0xbe0 [ 8910.267198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8910.267198][ T10] ___sys_sendmsg+0xee/0x170 [ 8910.267198][ T10] __sys_sendmsg+0xcd/0x170 [ 8910.267198][ T10] do_syscall_64+0xc6/0x1e0 [ 8910.267198][ T10] [ 8910.269143][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8910.269143][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8910.269143][ T10] ipv6_find_idev+0x102/0x170 [ 8910.269143][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8910.269143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8910.269143][ T10] netlink_rcv_skb+0x130/0x360 [ 8910.269143][ T10] netlink_unicast+0x449/0x710 [ 8910.269143][ T10] netlink_sendmsg+0x723/0xbe0 [ 8910.269143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8910.269143][ T10] ___sys_sendmsg+0xee/0x170 [ 8910.269143][ T10] __sys_sendmsg+0xcd/0x170 [ 8910.269143][ T10] do_syscall_64+0xc6/0x1e0 [ 8910.269143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8910.269143][ T10] [ 8910.270667][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8910.270667][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8910.270667][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8910.270667][ T10] ipv6_find_idev+0x102/0x170 [ 8910.270667][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8910.270667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8910.270667][ T10] netlink_rcv_skb+0x130/0x360 [ 8910.270667][ T10] netlink_unicast+0x449/0x710 [ 8910.270667][ T10] netlink_sendmsg+0x723/0xbe0 [ 8910.270667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8910.270667][ T10] ___sys_sendmsg+0xee/0x170 [ 8910.270667][ T10] __sys_sendmsg+0xcd/0x170 [ 8910.270667][ T10] do_syscall_64+0xc6/0x1e0 [ 8910.270667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8910.270667][ T10] [ 8910.272329][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8910.272571][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8910.272571][ T10] netdev_get_by_index+0x5e/0x80 [ 8910.272571][ T10] fib6_nh_init+0x3d8/0x1580 [ 8910.272571][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8910.272571][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8910.272571][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8910.272571][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8910.272571][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8910.272571][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8910.272571][ T10] addrconf_dad_begin+0x310/0x670 [ 8910.272571][ T10] addrconf_dad_work+0x10b/0xab0 [ 8910.272571][ T10] process_one_work+0x84d/0x18a0 [ 8910.272571][ T10] worker_thread+0x587/0xd30 [ 8910.272571][ T10] kthread+0x28a/0x350 [ 8910.272571][ T10] ret_from_fork+0x31/0x70 [ 8910.272571][ T10] ret_from_fork_asm+0x1a/0x30 [ 8910.272571][ T10] [ 8910.274478][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8910.274478][ T10] netdev_get_by_index+0x5e/0x80 [ 8910.274478][ T10] fib6_nh_init+0x3d8/0x1580 [ 8910.274478][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8910.274478][ T10] ip6_route_add+0x1c/0x140 [ 8910.274478][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8910.274478][ T10] inet6_addr_add+0x4f8/0xa40 [ 8910.274478][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8910.274478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8910.274478][ T10] netlink_rcv_skb+0x130/0x360 [ 8910.274478][ T10] netlink_unicast+0x449/0x710 [ 8910.274478][ T10] netlink_sendmsg+0x723/0xbe0 [ 8910.274478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8910.274478][ T10] ___sys_sendmsg+0xee/0x170 [ 8910.274478][ T10] __sys_sendmsg+0xcd/0x170 [ 8910.274478][ T10] do_syscall_64+0xc6/0x1e0 [ 8910.274478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8910.274478][ T10] [ 8910.276642][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8910.276642][ T10] netdev_get_by_index+0x5e/0x80 [ 8910.276642][ T10] fib6_nh_init+0x3d8/0x1580 [ 8910.276642][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8910.276642][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8910.276642][ T10] ipv6_add_addr+0x411/0x2000 [ 8910.276642][ T10] inet6_addr_add+0x30e/0xa40 [ 8910.276642][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8910.276642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8910.276642][ T10] netlink_rcv_skb+0x130/0x360 [ 8910.276642][ T10] netlink_unicast+0x449/0x710 [ 8910.276642][ T10] netlink_sendmsg+0x723/0xbe0 [ 8910.276642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8910.276642][ T10] ___sys_sendmsg+0xee/0x170 [ 8910.276642][ T10] __sys_sendmsg+0xcd/0x170 [ 8910.276642][ T10] do_syscall_64+0xc6/0x1e0 [ 8910.276642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8910.276642][ T10] [ 8910.279004][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8910.279004][ T10] netdev_get_by_index+0x5e/0x80 [ 8910.279004][ T10] fib6_nh_init+0x3d8/0x1580 [ 8910.279004][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8910.279004][ T10] ip6_route_add+0x1c/0x140 [ 8910.279004][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8910.279004][ T10] addrconf_add_dev+0xe2/0x170 [ 8910.279004][ T10] inet6_addr_add+0x12f/0xa40 [ 8910.279004][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8910.279004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8910.279004][ T10] netlink_rcv_skb+0x130/0x360 [ 8910.279004][ T10] netlink_unicast+0x449/0x710 [ 8910.279004][ T10] netlink_sendmsg+0x723/0xbe0 [ 8910.279004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8910.279004][ T10] ___sys_sendmsg+0xee/0x170 [ 8910.279004][ T10] __sys_sendmsg+0xcd/0x170 [ 8910.279004][ T10] do_syscall_64+0xc6/0x1e0 [ 8910.279004][ T10] [ 8910.281142][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8910.281142][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8910.281142][ T10] ipv6_find_idev+0x102/0x170 [ 8910.281142][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8910.281142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8910.281142][ T10] netlink_rcv_skb+0x130/0x360 [ 8910.281142][ T10] netlink_unicast+0x449/0x710 [ 8910.281142][ T10] netlink_sendmsg+0x723/0xbe0 [ 8910.281142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8910.281142][ T10] ___sys_sendmsg+0xee/0x170 [ 8910.281142][ T10] __sys_sendmsg+0xcd/0x170 [ 8910.281142][ T10] do_syscall_64+0xc6/0x1e0 [ 8910.281142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8910.281142][ T10] [ 8910.282861][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8910.282861][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8910.282861][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8910.282861][ T10] ipv6_find_idev+0x102/0x170 [ 8910.282861][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8910.282861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8910.282861][ T10] netlink_rcv_skb+0x130/0x360 [ 8910.282861][ T10] netlink_unicast+0x449/0x710 [ 8910.282861][ T10] netlink_sendmsg+0x723/0xbe0 [ 8910.282861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8910.282861][ T10] ___sys_sendmsg+0xee/0x170 [ 8910.282861][ T10] __sys_sendmsg+0xcd/0x170 [ 8910.282861][ T10] do_syscall_64+0xc6/0x1e0 [ 8910.282861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8910.282861][ T10] [ 8910.284719][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8910.284956][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8910.284956][ T10] netdev_get_by_index+0x5e/0x80 [ 8910.284956][ T10] fib6_nh_init+0x3d8/0x1580 [ 8910.284956][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8910.284956][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8910.284956][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8910.284956][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8910.284956][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8910.284956][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8910.284956][ T10] addrconf_dad_begin+0x310/0x670 [ 8910.284956][ T10] addrconf_dad_work+0x10b/0xab0 [ 8910.284956][ T10] process_one_work+0x84d/0x18a0 [ 8910.284956][ T10] worker_thread+0x587/0xd30 [ 8910.284956][ T10] kthread+0x28a/0x350 [ 8910.284956][ T10] ret_from_fork+0x31/0x70 [ 8910.284956][ T10] ret_from_fork_asm+0x1a/0x30 [ 8910.284956][ T10] [ 8910.287157][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8910.287157][ T10] netdev_get_by_index+0x5e/0x80 [ 8910.287157][ T10] fib6_nh_init+0x3d8/0x1580 [ 8910.287157][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8910.287157][ T10] ip6_route_add+0x1c/0x140 [ 8910.287157][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8910.287157][ T10] inet6_addr_add+0x4f8/0xa40 [ 8910.287157][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8910.287157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8910.287157][ T10] netlink_rcv_skb+0x130/0x360 [ 8910.287157][ T10] netlink_unicast+0x449/0x710 [ 8910.287157][ T10] netlink_sendmsg+0x723/0xbe0 [ 8910.287157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8910.287157][ T10] ___sys_sendmsg+0xee/0x170 [ 8910.287157][ T10] __sys_sendmsg+0xcd/0x170 [ 8910.287157][ T10] do_syscall_64+0xc6/0x1e0 [ 8910.287157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8910.287157][ T10] [ 8910.289313][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8910.289313][ T10] netdev_get_by_index+0x5e/0x80 [ 8910.289313][ T10] fib6_nh_init+0x3d8/0x1580 [ 8910.289313][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8910.289313][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8910.289313][ T10] ipv6_add_addr+0x411/0x2000 [ 8910.289313][ T10] inet6_addr_add+0x30e/0xa40 [ 8910.289313][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8910.289313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8910.289313][ T10] netlink_rcv_skb+0x130/0x360 [ 8910.289313][ T10] netlink_unicast+0x449/0x710 [ 8910.289313][ T10] netlink_sendmsg+0x723/0xbe0 [ 8910.289313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8910.289313][ T10] ___sys_sendmsg+0xee/0x170 [ 8910.289313][ T10] __sys_sendmsg+0xcd/0x170 [ 8910.289313][ T10] do_syscall_64+0xc6/0x1e0 [ 8910.289313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8910.289313][ T10] [ 8910.291534][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8910.291534][ T10] netdev_get_by_index+0x5e/0x80 [ 8910.291534][ T10] fib6_nh_init+0x3d8/0x1580 [ 8910.291534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8910.291534][ T10] ip6_route_add+0x1c/0x140 [ 8910.291534][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8910.291534][ T10] addrconf_add_dev+0xe2/0x170 [ 8910.291534][ T10] inet6_addr_add+0x12f/0xa40 [ 8910.291534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8910.291534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8910.291534][ T10] netlink_rcv_skb+0x130/0x360 [ 8910.291534][ T10] netlink_unicast+0x449/0x710 [ 8910.291534][ T10] netlink_sendmsg+0x723/0xbe0 [ 8910.291534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8910.291534][ T10] ___sys_sendmsg+0xee/0x170 [ 8910.291534][ T10] __sys_sendmsg+0xcd/0x170 [ 8910.291534][ T10] do_syscall_64+0xc6/0x1e0 [ 8910.291534][ T10] [ 8910.293718][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8910.293718][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8910.293718][ T10] ipv6_find_idev+0x102/0x170 [ 8910.293718][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8910.293718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8910.293718][ T10] netlink_rcv_skb+0x130/0x360 [ 8910.293718][ T10] netlink_unicast+0x449/0x710 [ 8910.293718][ T10] netlink_sendmsg+0x723/0xbe0 [ 8910.293718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8910.293718][ T10] ___sys_sendmsg+0xee/0x170 [ 8910.293718][ T10] __sys_sendmsg+0xcd/0x170 [ 8910.293718][ T10] do_syscall_64+0xc6/0x1e0 [ 8910.293718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8910.293718][ T10] [ 8910.295420][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8910.295420][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8910.295420][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8910.295420][ T10] ipv6_find_idev+0x102/0x170 [ 8910.295420][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8910.295420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8910.295420][ T10] netlink_rcv_skb+0x130/0x360 [ 8910.295420][ T10] netlink_unicast+0x449/0x710 [ 8910.295420][ T10] netlink_sendmsg+0x723/0xbe0 [ 8910.295420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8910.295420][ T10] ___sys_sendmsg+0xee/0x170 [ 8910.295420][ T10] __sys_sendmsg+0xcd/0x170 [ 8910.295420][ T10] do_syscall_64+0xc6/0x1e0 [ 8910.295420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8910.295420][ T10] [ 8918.217114][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8918.217534][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8918.217534][ T1167] dst_init+0x84/0x4a0 [ 8918.217534][ T1167] dst_alloc+0x97/0x150 [ 8918.217534][ T1167] ip6_dst_alloc+0x23/0x90 [ 8918.217534][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8918.217534][ T1167] ip6_pol_route+0x56f/0x840 [ 8918.217534][ T1167] fib6_rule_lookup+0x334/0x630 [ 8918.217534][ T1167] ip6_route_output_flags+0x259/0x480 [ 8918.217534][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8918.217534][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8918.217534][ T1167] netlink_rcv_skb+0x130/0x360 [ 8918.217534][ T1167] netlink_unicast+0x449/0x710 [ 8918.217534][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8918.217534][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8918.217534][ T1167] ___sys_sendmsg+0xee/0x170 [ 8918.217534][ T1167] __sys_sendmsg+0xcd/0x170 [ 8918.217534][ T1167] do_syscall_64+0xc6/0x1e0 [ 8918.217534][ T1167] [ 8918.219735][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8918.219735][ T1167] netdev_get_by_index+0x5e/0x80 [ 8918.219735][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8918.219735][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8918.219735][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8918.219735][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8918.219735][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8918.219735][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8918.219735][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8918.219735][ T1167] addrconf_dad_begin+0x310/0x670 [ 8918.219735][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8918.219735][ T1167] process_one_work+0x84d/0x18a0 [ 8918.219735][ T1167] worker_thread+0x587/0xd30 [ 8918.219735][ T1167] kthread+0x28a/0x350 [ 8918.219735][ T1167] ret_from_fork+0x31/0x70 [ 8918.219735][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8918.219735][ T1167] [ 8918.221891][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8918.221891][ T1167] netdev_get_by_index+0x5e/0x80 [ 8918.221891][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8918.221891][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8918.221891][ T1167] ip6_route_add+0x1c/0x140 [ 8918.221891][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8918.221891][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8918.221891][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8918.221891][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8918.221891][ T1167] netlink_rcv_skb+0x130/0x360 [ 8918.221891][ T1167] netlink_unicast+0x449/0x710 [ 8918.221891][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8918.221891][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8918.221891][ T1167] ___sys_sendmsg+0xee/0x170 [ 8918.221891][ T1167] __sys_sendmsg+0xcd/0x170 [ 8918.221891][ T1167] do_syscall_64+0xc6/0x1e0 [ 8918.221891][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8918.221891][ T1167] [ 8918.224143][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8918.224143][ T1167] netdev_get_by_index+0x5e/0x80 [ 8918.224143][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8918.224143][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8918.224143][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8918.224143][ T1167] ipv6_add_addr+0x411/0x2000 [ 8918.224143][ T1167] inet6_addr_add+0x30e/0xa40 [ 8918.224143][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8918.224143][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8918.224143][ T1167] netlink_rcv_skb+0x130/0x360 [ 8918.224143][ T1167] netlink_unicast+0x449/0x710 [ 8918.224143][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8918.224143][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8918.224143][ T1167] ___sys_sendmsg+0xee/0x170 [ 8918.224143][ T1167] __sys_sendmsg+0xcd/0x170 [ 8918.224143][ T1167] do_syscall_64+0xc6/0x1e0 [ 8918.224143][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8918.224143][ T1167] [ 8918.226387][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8918.226387][ T1167] netdev_get_by_index+0x5e/0x80 [ 8918.226387][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8918.226387][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8918.226387][ T1167] ip6_route_add+0x1c/0x140 [ 8918.226387][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8918.226387][ T1167] addrconf_add_dev+0xe2/0x170 [ 8918.226387][ T1167] inet6_addr_add+0x12f/0xa40 [ 8918.226387][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8918.226387][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8918.226387][ T1167] netlink_rcv_skb+0x130/0x360 [ 8918.226387][ T1167] netlink_unicast+0x449/0x710 [ 8918.226387][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8918.226387][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8918.226387][ T1167] ___sys_sendmsg+0xee/0x170 [ 8918.226387][ T1167] __sys_sendmsg+0xcd/0x170 [ 8918.226387][ T1167] do_syscall_64+0xc6/0x1e0 [ 8918.226387][ T1167] [ 8918.228579][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8918.228579][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8918.228579][ T1167] ipv6_find_idev+0x102/0x170 [ 8918.228579][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8918.228579][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8918.228579][ T1167] netlink_rcv_skb+0x130/0x360 [ 8918.228579][ T1167] netlink_unicast+0x449/0x710 [ 8918.228579][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8918.228579][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8918.228579][ T1167] ___sys_sendmsg+0xee/0x170 [ 8918.228579][ T1167] __sys_sendmsg+0xcd/0x170 [ 8918.228579][ T1167] do_syscall_64+0xc6/0x1e0 [ 8918.228579][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8918.228579][ T1167] [ 8918.230301][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8918.230301][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8918.230301][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8918.230301][ T1167] ipv6_find_idev+0x102/0x170 [ 8918.230301][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8918.230301][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8918.230301][ T1167] netlink_rcv_skb+0x130/0x360 [ 8918.230301][ T1167] netlink_unicast+0x449/0x710 [ 8918.230301][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8918.230301][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8918.230301][ T1167] ___sys_sendmsg+0xee/0x170 [ 8918.230301][ T1167] __sys_sendmsg+0xcd/0x170 [ 8918.230301][ T1167] do_syscall_64+0xc6/0x1e0 [ 8918.230301][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8918.230301][ T1167] [ 8920.849204][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8920.849592][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8920.849592][ T10] netdev_get_by_index+0x5e/0x80 [ 8920.849592][ T10] fib6_nh_init+0x3d8/0x1580 [ 8920.849592][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8920.849592][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8920.849592][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8920.849592][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8920.849592][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8920.849592][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8920.849592][ T10] addrconf_dad_begin+0x310/0x670 [ 8920.849592][ T10] addrconf_dad_work+0x10b/0xab0 [ 8920.849592][ T10] process_one_work+0x84d/0x18a0 [ 8920.849592][ T10] worker_thread+0x587/0xd30 [ 8920.849592][ T10] kthread+0x28a/0x350 [ 8920.849592][ T10] ret_from_fork+0x31/0x70 [ 8920.849592][ T10] ret_from_fork_asm+0x1a/0x30 [ 8920.849592][ T10] [ 8920.851505][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8920.851505][ T10] netdev_get_by_index+0x5e/0x80 [ 8920.851505][ T10] fib6_nh_init+0x3d8/0x1580 [ 8920.851505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8920.851505][ T10] ip6_route_add+0x1c/0x140 [ 8920.851505][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8920.851505][ T10] inet6_addr_add+0x4f8/0xa40 [ 8920.851505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8920.851505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8920.851505][ T10] netlink_rcv_skb+0x130/0x360 [ 8920.851505][ T10] netlink_unicast+0x449/0x710 [ 8920.851505][ T10] netlink_sendmsg+0x723/0xbe0 [ 8920.851505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8920.851505][ T10] ___sys_sendmsg+0xee/0x170 [ 8920.851505][ T10] __sys_sendmsg+0xcd/0x170 [ 8920.851505][ T10] do_syscall_64+0xc6/0x1e0 [ 8920.851505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8920.851505][ T10] [ 8920.853506][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8920.853506][ T10] netdev_get_by_index+0x5e/0x80 [ 8920.853506][ T10] fib6_nh_init+0x3d8/0x1580 [ 8920.853506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8920.853506][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8920.853506][ T10] ipv6_add_addr+0x411/0x2000 [ 8920.853506][ T10] inet6_addr_add+0x30e/0xa40 [ 8920.853506][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8920.853506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8920.853506][ T10] netlink_rcv_skb+0x130/0x360 [ 8920.853506][ T10] netlink_unicast+0x449/0x710 [ 8920.853506][ T10] netlink_sendmsg+0x723/0xbe0 [ 8920.853506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8920.853506][ T10] ___sys_sendmsg+0xee/0x170 [ 8920.853506][ T10] __sys_sendmsg+0xcd/0x170 [ 8920.853506][ T10] do_syscall_64+0xc6/0x1e0 [ 8920.853506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8920.853506][ T10] [ 8920.855488][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8920.855488][ T10] netdev_get_by_index+0x5e/0x80 [ 8920.855488][ T10] fib6_nh_init+0x3d8/0x1580 [ 8920.855488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8920.855488][ T10] ip6_route_add+0x1c/0x140 [ 8920.855488][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8920.855488][ T10] addrconf_add_dev+0xe2/0x170 [ 8920.855488][ T10] inet6_addr_add+0x12f/0xa40 [ 8920.855488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8920.855488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8920.855488][ T10] netlink_rcv_skb+0x130/0x360 [ 8920.855488][ T10] netlink_unicast+0x449/0x710 [ 8920.855488][ T10] netlink_sendmsg+0x723/0xbe0 [ 8920.855488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8920.855488][ T10] ___sys_sendmsg+0xee/0x170 [ 8920.855488][ T10] __sys_sendmsg+0xcd/0x170 [ 8920.855488][ T10] do_syscall_64+0xc6/0x1e0 [ 8920.855488][ T10] [ 8920.857449][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8920.857449][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8920.857449][ T10] ipv6_find_idev+0x102/0x170 [ 8920.857449][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8920.857449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8920.857449][ T10] netlink_rcv_skb+0x130/0x360 [ 8920.857449][ T10] netlink_unicast+0x449/0x710 [ 8920.857449][ T10] netlink_sendmsg+0x723/0xbe0 [ 8920.857449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8920.857449][ T10] ___sys_sendmsg+0xee/0x170 [ 8920.857449][ T10] __sys_sendmsg+0xcd/0x170 [ 8920.857449][ T10] do_syscall_64+0xc6/0x1e0 [ 8920.857449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8920.857449][ T10] [ 8920.858975][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8920.858975][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8920.858975][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8920.858975][ T10] ipv6_find_idev+0x102/0x170 [ 8920.858975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8920.858975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8920.858975][ T10] netlink_rcv_skb+0x130/0x360 [ 8920.858975][ T10] netlink_unicast+0x449/0x710 [ 8920.858975][ T10] netlink_sendmsg+0x723/0xbe0 [ 8920.858975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8920.858975][ T10] ___sys_sendmsg+0xee/0x170 [ 8920.858975][ T10] __sys_sendmsg+0xcd/0x170 [ 8920.858975][ T10] do_syscall_64+0xc6/0x1e0 [ 8920.858975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8920.858975][ T10] [ 8920.860661][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8920.860901][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8920.860901][ T10] netdev_get_by_index+0x5e/0x80 [ 8920.860901][ T10] fib6_nh_init+0x3d8/0x1580 [ 8920.860901][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8920.860901][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8920.860901][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8920.860901][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8920.860901][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8920.860901][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8920.860901][ T10] addrconf_dad_begin+0x310/0x670 [ 8920.860901][ T10] addrconf_dad_work+0x10b/0xab0 [ 8920.860901][ T10] process_one_work+0x84d/0x18a0 [ 8920.860901][ T10] worker_thread+0x587/0xd30 [ 8920.860901][ T10] kthread+0x28a/0x350 [ 8920.860901][ T10] ret_from_fork+0x31/0x70 [ 8920.860901][ T10] ret_from_fork_asm+0x1a/0x30 [ 8920.860901][ T10] [ 8920.862792][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8920.862792][ T10] netdev_get_by_index+0x5e/0x80 [ 8920.862792][ T10] fib6_nh_init+0x3d8/0x1580 [ 8920.862792][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8920.862792][ T10] ip6_route_add+0x1c/0x140 [ 8920.862792][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8920.862792][ T10] inet6_addr_add+0x4f8/0xa40 [ 8920.862792][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8920.862792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8920.862792][ T10] netlink_rcv_skb+0x130/0x360 [ 8920.862792][ T10] netlink_unicast+0x449/0x710 [ 8920.862792][ T10] netlink_sendmsg+0x723/0xbe0 [ 8920.862792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8920.862792][ T10] ___sys_sendmsg+0xee/0x170 [ 8920.862792][ T10] __sys_sendmsg+0xcd/0x170 [ 8920.862792][ T10] do_syscall_64+0xc6/0x1e0 [ 8920.862792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8920.862792][ T10] [ 8920.864768][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8920.864768][ T10] netdev_get_by_index+0x5e/0x80 [ 8920.864768][ T10] fib6_nh_init+0x3d8/0x1580 [ 8920.864768][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8920.864768][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8920.864768][ T10] ipv6_add_addr+0x411/0x2000 [ 8920.864768][ T10] inet6_addr_add+0x30e/0xa40 [ 8920.864768][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8920.864768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8920.864768][ T10] netlink_rcv_skb+0x130/0x360 [ 8920.864768][ T10] netlink_unicast+0x449/0x710 [ 8920.864768][ T10] netlink_sendmsg+0x723/0xbe0 [ 8920.864768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8920.864768][ T10] ___sys_sendmsg+0xee/0x170 [ 8920.864768][ T10] __sys_sendmsg+0xcd/0x170 [ 8920.864768][ T10] do_syscall_64+0xc6/0x1e0 [ 8920.864768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8920.864768][ T10] [ 8920.866753][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8920.866753][ T10] netdev_get_by_index+0x5e/0x80 [ 8920.866753][ T10] fib6_nh_init+0x3d8/0x1580 [ 8920.866753][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8920.866753][ T10] ip6_route_add+0x1c/0x140 [ 8920.866753][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8920.866753][ T10] addrconf_add_dev+0xe2/0x170 [ 8920.866753][ T10] inet6_addr_add+0x12f/0xa40 [ 8920.866753][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8920.866753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8920.866753][ T10] netlink_rcv_skb+0x130/0x360 [ 8920.866753][ T10] netlink_unicast+0x449/0x710 [ 8920.866753][ T10] netlink_sendmsg+0x723/0xbe0 [ 8920.866753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8920.866753][ T10] ___sys_sendmsg+0xee/0x170 [ 8920.866753][ T10] __sys_sendmsg+0xcd/0x170 [ 8920.866753][ T10] do_syscall_64+0xc6/0x1e0 [ 8920.866753][ T10] [ 8920.868702][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8920.868702][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8920.868702][ T10] ipv6_find_idev+0x102/0x170 [ 8920.868702][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8920.868702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8920.868702][ T10] netlink_rcv_skb+0x130/0x360 [ 8920.868702][ T10] netlink_unicast+0x449/0x710 [ 8920.868702][ T10] netlink_sendmsg+0x723/0xbe0 [ 8920.868702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8920.868702][ T10] ___sys_sendmsg+0xee/0x170 [ 8920.868702][ T10] __sys_sendmsg+0xcd/0x170 [ 8920.868702][ T10] do_syscall_64+0xc6/0x1e0 [ 8920.868702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8920.868702][ T10] [ 8920.870227][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8920.870227][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8920.870227][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8920.870227][ T10] ipv6_find_idev+0x102/0x170 [ 8920.870227][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8920.870227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8920.870227][ T10] netlink_rcv_skb+0x130/0x360 [ 8920.870227][ T10] netlink_unicast+0x449/0x710 [ 8920.870227][ T10] netlink_sendmsg+0x723/0xbe0 [ 8920.870227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8920.870227][ T10] ___sys_sendmsg+0xee/0x170 [ 8920.870227][ T10] __sys_sendmsg+0xcd/0x170 [ 8920.870227][ T10] do_syscall_64+0xc6/0x1e0 [ 8920.870227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8920.870227][ T10] [ 8920.871892][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8920.872142][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8920.872142][ T10] netdev_get_by_index+0x5e/0x80 [ 8920.872142][ T10] fib6_nh_init+0x3d8/0x1580 [ 8920.872142][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8920.872142][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8920.872142][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8920.872142][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8920.872142][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8920.872142][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8920.872142][ T10] addrconf_dad_begin+0x310/0x670 [ 8920.872142][ T10] addrconf_dad_work+0x10b/0xab0 [ 8920.872142][ T10] process_one_work+0x84d/0x18a0 [ 8920.872142][ T10] worker_thread+0x587/0xd30 [ 8920.872142][ T10] kthread+0x28a/0x350 [ 8920.872142][ T10] ret_from_fork+0x31/0x70 [ 8920.872142][ T10] ret_from_fork_asm+0x1a/0x30 [ 8920.872142][ T10] [ 8920.874037][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8920.874037][ T10] netdev_get_by_index+0x5e/0x80 [ 8920.874037][ T10] fib6_nh_init+0x3d8/0x1580 [ 8920.874037][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8920.874037][ T10] ip6_route_add+0x1c/0x140 [ 8920.874037][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8920.874037][ T10] inet6_addr_add+0x4f8/0xa40 [ 8920.874037][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8920.874037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8920.874037][ T10] netlink_rcv_skb+0x130/0x360 [ 8920.874037][ T10] netlink_unicast+0x449/0x710 [ 8920.874037][ T10] netlink_sendmsg+0x723/0xbe0 [ 8920.874037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8920.874037][ T10] ___sys_sendmsg+0xee/0x170 [ 8920.874037][ T10] __sys_sendmsg+0xcd/0x170 [ 8920.874037][ T10] do_syscall_64+0xc6/0x1e0 [ 8920.874037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8920.874037][ T10] [ 8920.876211][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8920.876211][ T10] netdev_get_by_index+0x5e/0x80 [ 8920.876211][ T10] fib6_nh_init+0x3d8/0x1580 [ 8920.876211][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8920.876211][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8920.876211][ T10] ipv6_add_addr+0x411/0x2000 [ 8920.876211][ T10] inet6_addr_add+0x30e/0xa40 [ 8920.876211][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8920.876211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8920.876211][ T10] netlink_rcv_skb+0x130/0x360 [ 8920.876211][ T10] netlink_unicast+0x449/0x710 [ 8920.876211][ T10] netlink_sendmsg+0x723/0xbe0 [ 8920.876211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8920.876211][ T10] ___sys_sendmsg+0xee/0x170 [ 8920.876211][ T10] __sys_sendmsg+0xcd/0x170 [ 8920.876211][ T10] do_syscall_64+0xc6/0x1e0 [ 8920.876211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8920.876211][ T10] [ 8920.878606][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8920.878606][ T10] netdev_get_by_index+0x5e/0x80 [ 8920.878606][ T10] fib6_nh_init+0x3d8/0x1580 [ 8920.878606][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8920.878606][ T10] ip6_route_add+0x1c/0x140 [ 8920.878606][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8920.878606][ T10] addrconf_add_dev+0xe2/0x170 [ 8920.878606][ T10] inet6_addr_add+0x12f/0xa40 [ 8920.878606][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8920.878606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8920.878606][ T10] netlink_rcv_skb+0x130/0x360 [ 8920.878606][ T10] netlink_unicast+0x449/0x710 [ 8920.878606][ T10] netlink_sendmsg+0x723/0xbe0 [ 8920.878606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8920.878606][ T10] ___sys_sendmsg+0xee/0x170 [ 8920.878606][ T10] __sys_sendmsg+0xcd/0x170 [ 8920.878606][ T10] do_syscall_64+0xc6/0x1e0 [ 8920.878606][ T10] [ 8920.880741][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8920.880741][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8920.880741][ T10] ipv6_find_idev+0x102/0x170 [ 8920.880741][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8920.880741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8920.880741][ T10] netlink_rcv_skb+0x130/0x360 [ 8920.880741][ T10] netlink_unicast+0x449/0x710 [ 8920.880741][ T10] netlink_sendmsg+0x723/0xbe0 [ 8920.880741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8920.880741][ T10] ___sys_sendmsg+0xee/0x170 [ 8920.880741][ T10] __sys_sendmsg+0xcd/0x170 [ 8920.880741][ T10] do_syscall_64+0xc6/0x1e0 [ 8920.880741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8920.880741][ T10] [ 8920.882455][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8920.882455][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8920.882455][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8920.882455][ T10] ipv6_find_idev+0x102/0x170 [ 8920.882455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8920.882455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8920.882455][ T10] netlink_rcv_skb+0x130/0x360 [ 8920.882455][ T10] netlink_unicast+0x449/0x710 [ 8920.882455][ T10] netlink_sendmsg+0x723/0xbe0 [ 8920.882455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8920.882455][ T10] ___sys_sendmsg+0xee/0x170 [ 8920.882455][ T10] __sys_sendmsg+0xcd/0x170 [ 8920.882455][ T10] do_syscall_64+0xc6/0x1e0 [ 8920.882455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8920.882455][ T10] [ 8920.884357][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8920.884591][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8920.884591][ T10] netdev_get_by_index+0x5e/0x80 [ 8920.884591][ T10] fib6_nh_init+0x3d8/0x1580 [ 8920.884591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8920.884591][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8920.884591][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8920.884591][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8920.884591][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8920.884591][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8920.884591][ T10] addrconf_dad_begin+0x310/0x670 [ 8920.884591][ T10] addrconf_dad_work+0x10b/0xab0 [ 8920.884591][ T10] process_one_work+0x84d/0x18a0 [ 8920.884591][ T10] worker_thread+0x587/0xd30 [ 8920.884591][ T10] kthread+0x28a/0x350 [ 8920.884591][ T10] ret_from_fork+0x31/0x70 [ 8920.884591][ T10] ret_from_fork_asm+0x1a/0x30 [ 8920.884591][ T10] [ 8920.886795][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8920.886795][ T10] netdev_get_by_index+0x5e/0x80 [ 8920.886795][ T10] fib6_nh_init+0x3d8/0x1580 [ 8920.886795][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8920.886795][ T10] ip6_route_add+0x1c/0x140 [ 8920.886795][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8920.886795][ T10] inet6_addr_add+0x4f8/0xa40 [ 8920.886795][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8920.886795][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8920.886795][ T10] netlink_rcv_skb+0x130/0x360 [ 8920.886795][ T10] netlink_unicast+0x449/0x710 [ 8920.886795][ T10] netlink_sendmsg+0x723/0xbe0 [ 8920.886795][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8920.886795][ T10] ___sys_sendmsg+0xee/0x170 [ 8920.886795][ T10] __sys_sendmsg+0xcd/0x170 [ 8920.886795][ T10] do_syscall_64+0xc6/0x1e0 [ 8920.886795][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8920.886795][ T10] [ 8920.888955][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8920.888955][ T10] netdev_get_by_index+0x5e/0x80 [ 8920.888955][ T10] fib6_nh_init+0x3d8/0x1580 [ 8920.888955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8920.888955][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8920.888955][ T10] ipv6_add_addr+0x411/0x2000 [ 8920.888955][ T10] inet6_addr_add+0x30e/0xa40 [ 8920.888955][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8920.888955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8920.888955][ T10] netlink_rcv_skb+0x130/0x360 [ 8920.888955][ T10] netlink_unicast+0x449/0x710 [ 8920.888955][ T10] netlink_sendmsg+0x723/0xbe0 [ 8920.888955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8920.888955][ T10] ___sys_sendmsg+0xee/0x170 [ 8920.888955][ T10] __sys_sendmsg+0xcd/0x170 [ 8920.888955][ T10] do_syscall_64+0xc6/0x1e0 [ 8920.888955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8920.888955][ T10] [ 8920.891200][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8920.891200][ T10] netdev_get_by_index+0x5e/0x80 [ 8920.891200][ T10] fib6_nh_init+0x3d8/0x1580 [ 8920.891200][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8920.891200][ T10] ip6_route_add+0x1c/0x140 [ 8920.891200][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8920.891200][ T10] addrconf_add_dev+0xe2/0x170 [ 8920.891200][ T10] inet6_addr_add+0x12f/0xa40 [ 8920.891200][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8920.891200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8920.891200][ T10] netlink_rcv_skb+0x130/0x360 [ 8920.891200][ T10] netlink_unicast+0x449/0x710 [ 8920.891200][ T10] netlink_sendmsg+0x723/0xbe0 [ 8920.891200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8920.891200][ T10] ___sys_sendmsg+0xee/0x170 [ 8920.891200][ T10] __sys_sendmsg+0xcd/0x170 [ 8920.891200][ T10] do_syscall_64+0xc6/0x1e0 [ 8920.891200][ T10] [ 8920.893388][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8920.893388][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8920.893388][ T10] ipv6_find_idev+0x102/0x170 [ 8920.893388][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8920.893388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8920.893388][ T10] netlink_rcv_skb+0x130/0x360 [ 8920.893388][ T10] netlink_unicast+0x449/0x710 [ 8920.893388][ T10] netlink_sendmsg+0x723/0xbe0 [ 8920.893388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8920.893388][ T10] ___sys_sendmsg+0xee/0x170 [ 8920.893388][ T10] __sys_sendmsg+0xcd/0x170 [ 8920.893388][ T10] do_syscall_64+0xc6/0x1e0 [ 8920.893388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8920.893388][ T10] [ 8920.895100][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8920.895100][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8920.895100][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8920.895100][ T10] ipv6_find_idev+0x102/0x170 [ 8920.895100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8920.895100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8920.895100][ T10] netlink_rcv_skb+0x130/0x360 [ 8920.895100][ T10] netlink_unicast+0x449/0x710 [ 8920.895100][ T10] netlink_sendmsg+0x723/0xbe0 [ 8920.895100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8920.895100][ T10] ___sys_sendmsg+0xee/0x170 [ 8920.895100][ T10] __sys_sendmsg+0xcd/0x170 [ 8920.895100][ T10] do_syscall_64+0xc6/0x1e0 [ 8920.895100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8920.895100][ T10] [ 8928.249057][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8928.249562][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8928.249562][ T1167] dst_init+0x84/0x4a0 [ 8928.249562][ T1167] dst_alloc+0x97/0x150 [ 8928.249562][ T1167] ip6_dst_alloc+0x23/0x90 [ 8928.249562][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8928.249562][ T1167] ip6_pol_route+0x56f/0x840 [ 8928.249562][ T1167] fib6_rule_lookup+0x334/0x630 [ 8928.249562][ T1167] ip6_route_output_flags+0x259/0x480 [ 8928.249562][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8928.249562][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8928.249562][ T1167] netlink_rcv_skb+0x130/0x360 [ 8928.249562][ T1167] netlink_unicast+0x449/0x710 [ 8928.249562][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8928.249562][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8928.249562][ T1167] ___sys_sendmsg+0xee/0x170 [ 8928.249562][ T1167] __sys_sendmsg+0xcd/0x170 [ 8928.249562][ T1167] do_syscall_64+0xc6/0x1e0 [ 8928.249562][ T1167] [ 8928.251769][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8928.251769][ T1167] netdev_get_by_index+0x5e/0x80 [ 8928.251769][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8928.251769][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8928.251769][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8928.251769][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8928.251769][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8928.251769][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8928.251769][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8928.251769][ T1167] addrconf_dad_begin+0x310/0x670 [ 8928.251769][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8928.251769][ T1167] process_one_work+0x84d/0x18a0 [ 8928.251769][ T1167] worker_thread+0x587/0xd30 [ 8928.251769][ T1167] kthread+0x28a/0x350 [ 8928.251769][ T1167] ret_from_fork+0x31/0x70 [ 8928.251769][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8928.251769][ T1167] [ 8928.253934][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8928.253934][ T1167] netdev_get_by_index+0x5e/0x80 [ 8928.253934][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8928.253934][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8928.253934][ T1167] ip6_route_add+0x1c/0x140 [ 8928.253934][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8928.253934][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8928.253934][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8928.253934][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8928.253934][ T1167] netlink_rcv_skb+0x130/0x360 [ 8928.253934][ T1167] netlink_unicast+0x449/0x710 [ 8928.253934][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8928.253934][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8928.253934][ T1167] ___sys_sendmsg+0xee/0x170 [ 8928.253934][ T1167] __sys_sendmsg+0xcd/0x170 [ 8928.253934][ T1167] do_syscall_64+0xc6/0x1e0 [ 8928.253934][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8928.253934][ T1167] [ 8928.256194][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8928.256194][ T1167] netdev_get_by_index+0x5e/0x80 [ 8928.256194][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8928.256194][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8928.256194][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8928.256194][ T1167] ipv6_add_addr+0x411/0x2000 [ 8928.256194][ T1167] inet6_addr_add+0x30e/0xa40 [ 8928.256194][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8928.256194][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8928.256194][ T1167] netlink_rcv_skb+0x130/0x360 [ 8928.256194][ T1167] netlink_unicast+0x449/0x710 [ 8928.256194][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8928.256194][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8928.256194][ T1167] ___sys_sendmsg+0xee/0x170 [ 8928.256194][ T1167] __sys_sendmsg+0xcd/0x170 [ 8928.256194][ T1167] do_syscall_64+0xc6/0x1e0 [ 8928.256194][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8928.256194][ T1167] [ 8928.258459][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8928.258459][ T1167] netdev_get_by_index+0x5e/0x80 [ 8928.258459][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8928.258459][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8928.258459][ T1167] ip6_route_add+0x1c/0x140 [ 8928.258459][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8928.258459][ T1167] addrconf_add_dev+0xe2/0x170 [ 8928.258459][ T1167] inet6_addr_add+0x12f/0xa40 [ 8928.258459][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8928.258459][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8928.258459][ T1167] netlink_rcv_skb+0x130/0x360 [ 8928.258459][ T1167] netlink_unicast+0x449/0x710 [ 8928.258459][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8928.258459][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8928.258459][ T1167] ___sys_sendmsg+0xee/0x170 [ 8928.258459][ T1167] __sys_sendmsg+0xcd/0x170 [ 8928.258459][ T1167] do_syscall_64+0xc6/0x1e0 [ 8928.258459][ T1167] [ 8928.260673][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8928.260673][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8928.260673][ T1167] ipv6_find_idev+0x102/0x170 [ 8928.260673][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8928.260673][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8928.260673][ T1167] netlink_rcv_skb+0x130/0x360 [ 8928.260673][ T1167] netlink_unicast+0x449/0x710 [ 8928.260673][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8928.260673][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8928.260673][ T1167] ___sys_sendmsg+0xee/0x170 [ 8928.260673][ T1167] __sys_sendmsg+0xcd/0x170 [ 8928.260673][ T1167] do_syscall_64+0xc6/0x1e0 [ 8928.260673][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8928.260673][ T1167] [ 8928.262395][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8928.262395][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8928.262395][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8928.262395][ T1167] ipv6_find_idev+0x102/0x170 [ 8928.262395][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8928.262395][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8928.262395][ T1167] netlink_rcv_skb+0x130/0x360 [ 8928.262395][ T1167] netlink_unicast+0x449/0x710 [ 8928.262395][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8928.262395][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8928.262395][ T1167] ___sys_sendmsg+0xee/0x170 [ 8928.262395][ T1167] __sys_sendmsg+0xcd/0x170 [ 8928.262395][ T1167] do_syscall_64+0xc6/0x1e0 [ 8928.262395][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8928.262395][ T1167] [ 8931.065109][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8931.065501][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8931.065501][ T10] netdev_get_by_index+0x5e/0x80 [ 8931.065501][ T10] fib6_nh_init+0x3d8/0x1580 [ 8931.065501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8931.065501][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8931.065501][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8931.065501][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8931.065501][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8931.065501][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8931.065501][ T10] addrconf_dad_begin+0x310/0x670 [ 8931.065501][ T10] addrconf_dad_work+0x10b/0xab0 [ 8931.065501][ T10] process_one_work+0x84d/0x18a0 [ 8931.065501][ T10] worker_thread+0x587/0xd30 [ 8931.065501][ T10] kthread+0x28a/0x350 [ 8931.065501][ T10] ret_from_fork+0x31/0x70 [ 8931.065501][ T10] ret_from_fork_asm+0x1a/0x30 [ 8931.065501][ T10] [ 8931.067452][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8931.067452][ T10] netdev_get_by_index+0x5e/0x80 [ 8931.067452][ T10] fib6_nh_init+0x3d8/0x1580 [ 8931.067452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8931.067452][ T10] ip6_route_add+0x1c/0x140 [ 8931.067452][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8931.067452][ T10] inet6_addr_add+0x4f8/0xa40 [ 8931.067452][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8931.067452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8931.067452][ T10] netlink_rcv_skb+0x130/0x360 [ 8931.067452][ T10] netlink_unicast+0x449/0x710 [ 8931.067452][ T10] netlink_sendmsg+0x723/0xbe0 [ 8931.067452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8931.067452][ T10] ___sys_sendmsg+0xee/0x170 [ 8931.067452][ T10] __sys_sendmsg+0xcd/0x170 [ 8931.067452][ T10] do_syscall_64+0xc6/0x1e0 [ 8931.067452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8931.067452][ T10] [ 8931.069433][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8931.069433][ T10] netdev_get_by_index+0x5e/0x80 [ 8931.069433][ T10] fib6_nh_init+0x3d8/0x1580 [ 8931.069433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8931.069433][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8931.069433][ T10] ipv6_add_addr+0x411/0x2000 [ 8931.069433][ T10] inet6_addr_add+0x30e/0xa40 [ 8931.069433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8931.069433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8931.069433][ T10] netlink_rcv_skb+0x130/0x360 [ 8931.069433][ T10] netlink_unicast+0x449/0x710 [ 8931.069433][ T10] netlink_sendmsg+0x723/0xbe0 [ 8931.069433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8931.069433][ T10] ___sys_sendmsg+0xee/0x170 [ 8931.069433][ T10] __sys_sendmsg+0xcd/0x170 [ 8931.069433][ T10] do_syscall_64+0xc6/0x1e0 [ 8931.069433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8931.069433][ T10] [ 8931.071413][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8931.071413][ T10] netdev_get_by_index+0x5e/0x80 [ 8931.071413][ T10] fib6_nh_init+0x3d8/0x1580 [ 8931.071413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8931.071413][ T10] ip6_route_add+0x1c/0x140 [ 8931.071413][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8931.071413][ T10] addrconf_add_dev+0xe2/0x170 [ 8931.071413][ T10] inet6_addr_add+0x12f/0xa40 [ 8931.071413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8931.071413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8931.071413][ T10] netlink_rcv_skb+0x130/0x360 [ 8931.071413][ T10] netlink_unicast+0x449/0x710 [ 8931.071413][ T10] netlink_sendmsg+0x723/0xbe0 [ 8931.071413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8931.071413][ T10] ___sys_sendmsg+0xee/0x170 [ 8931.071413][ T10] __sys_sendmsg+0xcd/0x170 [ 8931.071413][ T10] do_syscall_64+0xc6/0x1e0 [ 8931.071413][ T10] [ 8931.073372][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8931.073372][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8931.073372][ T10] ipv6_find_idev+0x102/0x170 [ 8931.073372][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8931.073372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8931.073372][ T10] netlink_rcv_skb+0x130/0x360 [ 8931.073372][ T10] netlink_unicast+0x449/0x710 [ 8931.073372][ T10] netlink_sendmsg+0x723/0xbe0 [ 8931.073372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8931.073372][ T10] ___sys_sendmsg+0xee/0x170 [ 8931.073372][ T10] __sys_sendmsg+0xcd/0x170 [ 8931.073372][ T10] do_syscall_64+0xc6/0x1e0 [ 8931.073372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8931.073372][ T10] [ 8931.074898][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8931.074898][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8931.074898][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8931.074898][ T10] ipv6_find_idev+0x102/0x170 [ 8931.074898][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8931.074898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8931.074898][ T10] netlink_rcv_skb+0x130/0x360 [ 8931.074898][ T10] netlink_unicast+0x449/0x710 [ 8931.074898][ T10] netlink_sendmsg+0x723/0xbe0 [ 8931.074898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8931.074898][ T10] ___sys_sendmsg+0xee/0x170 [ 8931.074898][ T10] __sys_sendmsg+0xcd/0x170 [ 8931.074898][ T10] do_syscall_64+0xc6/0x1e0 [ 8931.074898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8931.074898][ T10] [ 8931.076567][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8931.076805][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8931.076805][ T10] netdev_get_by_index+0x5e/0x80 [ 8931.076805][ T10] fib6_nh_init+0x3d8/0x1580 [ 8931.076805][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8931.076805][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8931.076805][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8931.076805][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8931.076805][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8931.076805][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8931.076805][ T10] addrconf_dad_begin+0x310/0x670 [ 8931.076805][ T10] addrconf_dad_work+0x10b/0xab0 [ 8931.076805][ T10] process_one_work+0x84d/0x18a0 [ 8931.076805][ T10] worker_thread+0x587/0xd30 [ 8931.076805][ T10] kthread+0x28a/0x350 [ 8931.076805][ T10] ret_from_fork+0x31/0x70 [ 8931.076805][ T10] ret_from_fork_asm+0x1a/0x30 [ 8931.076805][ T10] [ 8931.078700][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8931.078700][ T10] netdev_get_by_index+0x5e/0x80 [ 8931.078700][ T10] fib6_nh_init+0x3d8/0x1580 [ 8931.078700][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8931.078700][ T10] ip6_route_add+0x1c/0x140 [ 8931.078700][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8931.078700][ T10] inet6_addr_add+0x4f8/0xa40 [ 8931.078700][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8931.078700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8931.078700][ T10] netlink_rcv_skb+0x130/0x360 [ 8931.078700][ T10] netlink_unicast+0x449/0x710 [ 8931.078700][ T10] netlink_sendmsg+0x723/0xbe0 [ 8931.078700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8931.078700][ T10] ___sys_sendmsg+0xee/0x170 [ 8931.078700][ T10] __sys_sendmsg+0xcd/0x170 [ 8931.078700][ T10] do_syscall_64+0xc6/0x1e0 [ 8931.078700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8931.078700][ T10] [ 8931.080680][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8931.080680][ T10] netdev_get_by_index+0x5e/0x80 [ 8931.080680][ T10] fib6_nh_init+0x3d8/0x1580 [ 8931.080680][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8931.080680][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8931.080680][ T10] ipv6_add_addr+0x411/0x2000 [ 8931.080680][ T10] inet6_addr_add+0x30e/0xa40 [ 8931.080680][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8931.080680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8931.080680][ T10] netlink_rcv_skb+0x130/0x360 [ 8931.080680][ T10] netlink_unicast+0x449/0x710 [ 8931.080680][ T10] netlink_sendmsg+0x723/0xbe0 [ 8931.080680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8931.080680][ T10] ___sys_sendmsg+0xee/0x170 [ 8931.080680][ T10] __sys_sendmsg+0xcd/0x170 [ 8931.080680][ T10] do_syscall_64+0xc6/0x1e0 [ 8931.080680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8931.080680][ T10] [ 8931.082669][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8931.082669][ T10] netdev_get_by_index+0x5e/0x80 [ 8931.082669][ T10] fib6_nh_init+0x3d8/0x1580 [ 8931.082669][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8931.082669][ T10] ip6_route_add+0x1c/0x140 [ 8931.082669][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8931.082669][ T10] addrconf_add_dev+0xe2/0x170 [ 8931.082669][ T10] inet6_addr_add+0x12f/0xa40 [ 8931.082669][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8931.082669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8931.082669][ T10] netlink_rcv_skb+0x130/0x360 [ 8931.082669][ T10] netlink_unicast+0x449/0x710 [ 8931.082669][ T10] netlink_sendmsg+0x723/0xbe0 [ 8931.082669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8931.082669][ T10] ___sys_sendmsg+0xee/0x170 [ 8931.082669][ T10] __sys_sendmsg+0xcd/0x170 [ 8931.082669][ T10] do_syscall_64+0xc6/0x1e0 [ 8931.082669][ T10] [ 8931.084611][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8931.084611][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8931.084611][ T10] ipv6_find_idev+0x102/0x170 [ 8931.084611][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8931.084611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8931.084611][ T10] netlink_rcv_skb+0x130/0x360 [ 8931.084611][ T10] netlink_unicast+0x449/0x710 [ 8931.084611][ T10] netlink_sendmsg+0x723/0xbe0 [ 8931.084611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8931.084611][ T10] ___sys_sendmsg+0xee/0x170 [ 8931.084611][ T10] __sys_sendmsg+0xcd/0x170 [ 8931.084611][ T10] do_syscall_64+0xc6/0x1e0 [ 8931.084611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8931.084611][ T10] [ 8931.086130][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8931.086130][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8931.086130][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8931.086130][ T10] ipv6_find_idev+0x102/0x170 [ 8931.086130][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8931.086130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8931.086130][ T10] netlink_rcv_skb+0x130/0x360 [ 8931.086130][ T10] netlink_unicast+0x449/0x710 [ 8931.086130][ T10] netlink_sendmsg+0x723/0xbe0 [ 8931.086130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8931.086130][ T10] ___sys_sendmsg+0xee/0x170 [ 8931.086130][ T10] __sys_sendmsg+0xcd/0x170 [ 8931.086130][ T10] do_syscall_64+0xc6/0x1e0 [ 8931.086130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8931.086130][ T10] [ 8931.087790][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8931.088025][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8931.088025][ T10] netdev_get_by_index+0x5e/0x80 [ 8931.088025][ T10] fib6_nh_init+0x3d8/0x1580 [ 8931.088025][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8931.088025][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8931.088025][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8931.088025][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8931.088025][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8931.088025][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8931.088025][ T10] addrconf_dad_begin+0x310/0x670 [ 8931.088025][ T10] addrconf_dad_work+0x10b/0xab0 [ 8931.088025][ T10] process_one_work+0x84d/0x18a0 [ 8931.088025][ T10] worker_thread+0x587/0xd30 [ 8931.088025][ T10] kthread+0x28a/0x350 [ 8931.088025][ T10] ret_from_fork+0x31/0x70 [ 8931.088025][ T10] ret_from_fork_asm+0x1a/0x30 [ 8931.088025][ T10] [ 8931.089915][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8931.089915][ T10] netdev_get_by_index+0x5e/0x80 [ 8931.089915][ T10] fib6_nh_init+0x3d8/0x1580 [ 8931.089915][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8931.089915][ T10] ip6_route_add+0x1c/0x140 [ 8931.089915][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8931.089915][ T10] inet6_addr_add+0x4f8/0xa40 [ 8931.089915][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8931.089915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8931.089915][ T10] netlink_rcv_skb+0x130/0x360 [ 8931.089915][ T10] netlink_unicast+0x449/0x710 [ 8931.089915][ T10] netlink_sendmsg+0x723/0xbe0 [ 8931.089915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8931.089915][ T10] ___sys_sendmsg+0xee/0x170 [ 8931.089915][ T10] __sys_sendmsg+0xcd/0x170 [ 8931.089915][ T10] do_syscall_64+0xc6/0x1e0 [ 8931.089915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8931.089915][ T10] [ 8931.092066][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8931.092066][ T10] netdev_get_by_index+0x5e/0x80 [ 8931.092066][ T10] fib6_nh_init+0x3d8/0x1580 [ 8931.092066][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8931.092066][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8931.092066][ T10] ipv6_add_addr+0x411/0x2000 [ 8931.092066][ T10] inet6_addr_add+0x30e/0xa40 [ 8931.092066][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8931.092066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8931.092066][ T10] netlink_rcv_skb+0x130/0x360 [ 8931.092066][ T10] netlink_unicast+0x449/0x710 [ 8931.092066][ T10] netlink_sendmsg+0x723/0xbe0 [ 8931.092066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8931.092066][ T10] ___sys_sendmsg+0xee/0x170 [ 8931.092066][ T10] __sys_sendmsg+0xcd/0x170 [ 8931.092066][ T10] do_syscall_64+0xc6/0x1e0 [ 8931.092066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8931.092066][ T10] [ 8931.094173][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8931.094173][ T10] netdev_get_by_index+0x5e/0x80 [ 8931.094173][ T10] fib6_nh_init+0x3d8/0x1580 [ 8931.094173][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8931.094173][ T10] ip6_route_add+0x1c/0x140 [ 8931.094173][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8931.094173][ T10] addrconf_add_dev+0xe2/0x170 [ 8931.094173][ T10] inet6_addr_add+0x12f/0xa40 [ 8931.094173][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8931.094173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8931.094173][ T10] netlink_rcv_skb+0x130/0x360 [ 8931.094173][ T10] netlink_unicast+0x449/0x710 [ 8931.094173][ T10] netlink_sendmsg+0x723/0xbe0 [ 8931.094173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8931.094173][ T10] ___sys_sendmsg+0xee/0x170 [ 8931.094173][ T10] __sys_sendmsg+0xcd/0x170 [ 8931.094173][ T10] do_syscall_64+0xc6/0x1e0 [ 8931.094173][ T10] [ 8931.096246][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8931.096246][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8931.096246][ T10] ipv6_find_idev+0x102/0x170 [ 8931.096246][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8931.096246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8931.096246][ T10] netlink_rcv_skb+0x130/0x360 [ 8931.096246][ T10] netlink_unicast+0x449/0x710 [ 8931.096246][ T10] netlink_sendmsg+0x723/0xbe0 [ 8931.096246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8931.096246][ T10] ___sys_sendmsg+0xee/0x170 [ 8931.096246][ T10] __sys_sendmsg+0xcd/0x170 [ 8931.096246][ T10] do_syscall_64+0xc6/0x1e0 [ 8931.096246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8931.096246][ T10] [ 8931.097855][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8931.097855][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8931.097855][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8931.097855][ T10] ipv6_find_idev+0x102/0x170 [ 8931.097855][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8931.097855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8931.097855][ T10] netlink_rcv_skb+0x130/0x360 [ 8931.097855][ T10] netlink_unicast+0x449/0x710 [ 8931.097855][ T10] netlink_sendmsg+0x723/0xbe0 [ 8931.097855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8931.097855][ T10] ___sys_sendmsg+0xee/0x170 [ 8931.097855][ T10] __sys_sendmsg+0xcd/0x170 [ 8931.097855][ T10] do_syscall_64+0xc6/0x1e0 [ 8931.097855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8931.097855][ T10] [ 8931.099670][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8931.099909][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8931.099909][ T10] netdev_get_by_index+0x5e/0x80 [ 8931.099909][ T10] fib6_nh_init+0x3d8/0x1580 [ 8931.099909][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8931.099909][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8931.099909][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8931.099909][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8931.099909][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8931.099909][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8931.099909][ T10] addrconf_dad_begin+0x310/0x670 [ 8931.099909][ T10] addrconf_dad_work+0x10b/0xab0 [ 8931.099909][ T10] process_one_work+0x84d/0x18a0 [ 8931.099909][ T10] worker_thread+0x587/0xd30 [ 8931.099909][ T10] kthread+0x28a/0x350 [ 8931.099909][ T10] ret_from_fork+0x31/0x70 [ 8931.099909][ T10] ret_from_fork_asm+0x1a/0x30 [ 8931.099909][ T10] [ 8931.101935][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8931.101935][ T10] netdev_get_by_index+0x5e/0x80 [ 8931.101935][ T10] fib6_nh_init+0x3d8/0x1580 [ 8931.101935][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8931.101935][ T10] ip6_route_add+0x1c/0x140 [ 8931.101935][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8931.101935][ T10] inet6_addr_add+0x4f8/0xa40 [ 8931.101935][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8931.101935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8931.101935][ T10] netlink_rcv_skb+0x130/0x360 [ 8931.101935][ T10] netlink_unicast+0x449/0x710 [ 8931.101935][ T10] netlink_sendmsg+0x723/0xbe0 [ 8931.101935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8931.101935][ T10] ___sys_sendmsg+0xee/0x170 [ 8931.101935][ T10] __sys_sendmsg+0xcd/0x170 [ 8931.101935][ T10] do_syscall_64+0xc6/0x1e0 [ 8931.101935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8931.101935][ T10] [ 8931.104046][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8931.104046][ T10] netdev_get_by_index+0x5e/0x80 [ 8931.104046][ T10] fib6_nh_init+0x3d8/0x1580 [ 8931.104046][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8931.104046][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8931.104046][ T10] ipv6_add_addr+0x411/0x2000 [ 8931.104046][ T10] inet6_addr_add+0x30e/0xa40 [ 8931.104046][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8931.104046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8931.104046][ T10] netlink_rcv_skb+0x130/0x360 [ 8931.104046][ T10] netlink_unicast+0x449/0x710 [ 8931.104046][ T10] netlink_sendmsg+0x723/0xbe0 [ 8931.104046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8931.104046][ T10] ___sys_sendmsg+0xee/0x170 [ 8931.104046][ T10] __sys_sendmsg+0xcd/0x170 [ 8931.104046][ T10] do_syscall_64+0xc6/0x1e0 [ 8931.104046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8931.104046][ T10] [ 8931.106169][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8931.106169][ T10] netdev_get_by_index+0x5e/0x80 [ 8931.106169][ T10] fib6_nh_init+0x3d8/0x1580 [ 8931.106169][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8931.106169][ T10] ip6_route_add+0x1c/0x140 [ 8931.106169][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8931.106169][ T10] addrconf_add_dev+0xe2/0x170 [ 8931.106169][ T10] inet6_addr_add+0x12f/0xa40 [ 8931.106169][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8931.106169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8931.106169][ T10] netlink_rcv_skb+0x130/0x360 [ 8931.106169][ T10] netlink_unicast+0x449/0x710 [ 8931.106169][ T10] netlink_sendmsg+0x723/0xbe0 [ 8931.106169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8931.106169][ T10] ___sys_sendmsg+0xee/0x170 [ 8931.106169][ T10] __sys_sendmsg+0xcd/0x170 [ 8931.106169][ T10] do_syscall_64+0xc6/0x1e0 [ 8931.106169][ T10] [ 8931.108269][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8931.108269][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8931.108269][ T10] ipv6_find_idev+0x102/0x170 [ 8931.108269][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8931.108269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8931.108269][ T10] netlink_rcv_skb+0x130/0x360 [ 8931.108269][ T10] netlink_unicast+0x449/0x710 [ 8931.108269][ T10] netlink_sendmsg+0x723/0xbe0 [ 8931.108269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8931.108269][ T10] ___sys_sendmsg+0xee/0x170 [ 8931.108269][ T10] __sys_sendmsg+0xcd/0x170 [ 8931.108269][ T10] do_syscall_64+0xc6/0x1e0 [ 8931.108269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8931.108269][ T10] [ 8931.109857][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8931.109857][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8931.109857][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8931.109857][ T10] ipv6_find_idev+0x102/0x170 [ 8931.109857][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8931.109857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8931.109857][ T10] netlink_rcv_skb+0x130/0x360 [ 8931.109857][ T10] netlink_unicast+0x449/0x710 [ 8931.109857][ T10] netlink_sendmsg+0x723/0xbe0 [ 8931.109857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8931.109857][ T10] ___sys_sendmsg+0xee/0x170 [ 8931.109857][ T10] __sys_sendmsg+0xcd/0x170 [ 8931.109857][ T10] do_syscall_64+0xc6/0x1e0 [ 8931.109857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8931.109857][ T10] [ 8938.265108][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8938.265522][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8938.265522][ T1167] dst_init+0x84/0x4a0 [ 8938.265522][ T1167] dst_alloc+0x97/0x150 [ 8938.265522][ T1167] ip6_dst_alloc+0x23/0x90 [ 8938.265522][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8938.265522][ T1167] ip6_pol_route+0x56f/0x840 [ 8938.265522][ T1167] fib6_rule_lookup+0x334/0x630 [ 8938.265522][ T1167] ip6_route_output_flags+0x259/0x480 [ 8938.265522][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8938.265522][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8938.265522][ T1167] netlink_rcv_skb+0x130/0x360 [ 8938.265522][ T1167] netlink_unicast+0x449/0x710 [ 8938.265522][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8938.265522][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8938.265522][ T1167] ___sys_sendmsg+0xee/0x170 [ 8938.265522][ T1167] __sys_sendmsg+0xcd/0x170 [ 8938.265522][ T1167] do_syscall_64+0xc6/0x1e0 [ 8938.265522][ T1167] [ 8938.267725][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8938.267725][ T1167] netdev_get_by_index+0x5e/0x80 [ 8938.267725][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8938.267725][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8938.267725][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8938.267725][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8938.267725][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8938.267725][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8938.267725][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8938.267725][ T1167] addrconf_dad_begin+0x310/0x670 [ 8938.267725][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8938.267725][ T1167] process_one_work+0x84d/0x18a0 [ 8938.267725][ T1167] worker_thread+0x587/0xd30 [ 8938.267725][ T1167] kthread+0x28a/0x350 [ 8938.267725][ T1167] ret_from_fork+0x31/0x70 [ 8938.267725][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8938.267725][ T1167] [ 8938.269870][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8938.269870][ T1167] netdev_get_by_index+0x5e/0x80 [ 8938.269870][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8938.269870][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8938.269870][ T1167] ip6_route_add+0x1c/0x140 [ 8938.269870][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8938.269870][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8938.269870][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8938.269870][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8938.269870][ T1167] netlink_rcv_skb+0x130/0x360 [ 8938.269870][ T1167] netlink_unicast+0x449/0x710 [ 8938.269870][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8938.269870][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8938.269870][ T1167] ___sys_sendmsg+0xee/0x170 [ 8938.269870][ T1167] __sys_sendmsg+0xcd/0x170 [ 8938.269870][ T1167] do_syscall_64+0xc6/0x1e0 [ 8938.269870][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8938.269870][ T1167] [ 8938.272101][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8938.272101][ T1167] netdev_get_by_index+0x5e/0x80 [ 8938.272101][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8938.272101][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8938.272101][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8938.272101][ T1167] ipv6_add_addr+0x411/0x2000 [ 8938.272101][ T1167] inet6_addr_add+0x30e/0xa40 [ 8938.272101][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8938.272101][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8938.272101][ T1167] netlink_rcv_skb+0x130/0x360 [ 8938.272101][ T1167] netlink_unicast+0x449/0x710 [ 8938.272101][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8938.272101][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8938.272101][ T1167] ___sys_sendmsg+0xee/0x170 [ 8938.272101][ T1167] __sys_sendmsg+0xcd/0x170 [ 8938.272101][ T1167] do_syscall_64+0xc6/0x1e0 [ 8938.272101][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8938.272101][ T1167] [ 8938.274333][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8938.274333][ T1167] netdev_get_by_index+0x5e/0x80 [ 8938.274333][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8938.274333][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8938.274333][ T1167] ip6_route_add+0x1c/0x140 [ 8938.274333][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8938.274333][ T1167] addrconf_add_dev+0xe2/0x170 [ 8938.274333][ T1167] inet6_addr_add+0x12f/0xa40 [ 8938.274333][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8938.274333][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8938.274333][ T1167] netlink_rcv_skb+0x130/0x360 [ 8938.274333][ T1167] netlink_unicast+0x449/0x710 [ 8938.274333][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8938.274333][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8938.274333][ T1167] ___sys_sendmsg+0xee/0x170 [ 8938.274333][ T1167] __sys_sendmsg+0xcd/0x170 [ 8938.274333][ T1167] do_syscall_64+0xc6/0x1e0 [ 8938.274333][ T1167] [ 8938.276527][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8938.276527][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8938.276527][ T1167] ipv6_find_idev+0x102/0x170 [ 8938.276527][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8938.276527][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8938.276527][ T1167] netlink_rcv_skb+0x130/0x360 [ 8938.276527][ T1167] netlink_unicast+0x449/0x710 [ 8938.276527][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8938.276527][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8938.276527][ T1167] ___sys_sendmsg+0xee/0x170 [ 8938.276527][ T1167] __sys_sendmsg+0xcd/0x170 [ 8938.276527][ T1167] do_syscall_64+0xc6/0x1e0 [ 8938.276527][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8938.276527][ T1167] [ 8938.278244][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8938.278244][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8938.278244][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8938.278244][ T1167] ipv6_find_idev+0x102/0x170 [ 8938.278244][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8938.278244][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8938.278244][ T1167] netlink_rcv_skb+0x130/0x360 [ 8938.278244][ T1167] netlink_unicast+0x449/0x710 [ 8938.278244][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8938.278244][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8938.278244][ T1167] ___sys_sendmsg+0xee/0x170 [ 8938.278244][ T1167] __sys_sendmsg+0xcd/0x170 [ 8938.278244][ T1167] do_syscall_64+0xc6/0x1e0 [ 8938.278244][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8938.278244][ T1167] [ 8941.361035][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8941.361373][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8941.361373][ T10] netdev_get_by_index+0x5e/0x80 [ 8941.361373][ T10] fib6_nh_init+0x3d8/0x1580 [ 8941.361373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8941.361373][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8941.361373][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8941.361373][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8941.361373][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8941.361373][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8941.361373][ T10] addrconf_dad_begin+0x310/0x670 [ 8941.361373][ T10] addrconf_dad_work+0x10b/0xab0 [ 8941.361373][ T10] process_one_work+0x84d/0x18a0 [ 8941.361373][ T10] worker_thread+0x587/0xd30 [ 8941.361373][ T10] kthread+0x28a/0x350 [ 8941.361373][ T10] ret_from_fork+0x31/0x70 [ 8941.361373][ T10] ret_from_fork_asm+0x1a/0x30 [ 8941.361373][ T10] [ 8941.363322][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8941.363322][ T10] netdev_get_by_index+0x5e/0x80 [ 8941.363322][ T10] fib6_nh_init+0x3d8/0x1580 [ 8941.363322][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8941.363322][ T10] ip6_route_add+0x1c/0x140 [ 8941.363322][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8941.363322][ T10] inet6_addr_add+0x4f8/0xa40 [ 8941.363322][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8941.363322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8941.363322][ T10] netlink_rcv_skb+0x130/0x360 [ 8941.363322][ T10] netlink_unicast+0x449/0x710 [ 8941.363322][ T10] netlink_sendmsg+0x723/0xbe0 [ 8941.363322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8941.363322][ T10] ___sys_sendmsg+0xee/0x170 [ 8941.363322][ T10] __sys_sendmsg+0xcd/0x170 [ 8941.363322][ T10] do_syscall_64+0xc6/0x1e0 [ 8941.363322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8941.363322][ T10] [ 8941.365303][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8941.365303][ T10] netdev_get_by_index+0x5e/0x80 [ 8941.365303][ T10] fib6_nh_init+0x3d8/0x1580 [ 8941.365303][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8941.365303][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8941.365303][ T10] ipv6_add_addr+0x411/0x2000 [ 8941.365303][ T10] inet6_addr_add+0x30e/0xa40 [ 8941.365303][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8941.365303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8941.365303][ T10] netlink_rcv_skb+0x130/0x360 [ 8941.365303][ T10] netlink_unicast+0x449/0x710 [ 8941.365303][ T10] netlink_sendmsg+0x723/0xbe0 [ 8941.365303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8941.365303][ T10] ___sys_sendmsg+0xee/0x170 [ 8941.365303][ T10] __sys_sendmsg+0xcd/0x170 [ 8941.365303][ T10] do_syscall_64+0xc6/0x1e0 [ 8941.365303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8941.365303][ T10] [ 8941.367283][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8941.367283][ T10] netdev_get_by_index+0x5e/0x80 [ 8941.367283][ T10] fib6_nh_init+0x3d8/0x1580 [ 8941.367283][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8941.367283][ T10] ip6_route_add+0x1c/0x140 [ 8941.367283][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8941.367283][ T10] addrconf_add_dev+0xe2/0x170 [ 8941.367283][ T10] inet6_addr_add+0x12f/0xa40 [ 8941.367283][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8941.367283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8941.367283][ T10] netlink_rcv_skb+0x130/0x360 [ 8941.367283][ T10] netlink_unicast+0x449/0x710 [ 8941.367283][ T10] netlink_sendmsg+0x723/0xbe0 [ 8941.367283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8941.367283][ T10] ___sys_sendmsg+0xee/0x170 [ 8941.367283][ T10] __sys_sendmsg+0xcd/0x170 [ 8941.367283][ T10] do_syscall_64+0xc6/0x1e0 [ 8941.367283][ T10] [ 8941.369229][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8941.369229][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8941.369229][ T10] ipv6_find_idev+0x102/0x170 [ 8941.369229][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8941.369229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8941.369229][ T10] netlink_rcv_skb+0x130/0x360 [ 8941.369229][ T10] netlink_unicast+0x449/0x710 [ 8941.369229][ T10] netlink_sendmsg+0x723/0xbe0 [ 8941.369229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8941.369229][ T10] ___sys_sendmsg+0xee/0x170 [ 8941.369229][ T10] __sys_sendmsg+0xcd/0x170 [ 8941.369229][ T10] do_syscall_64+0xc6/0x1e0 [ 8941.369229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8941.369229][ T10] [ 8941.370750][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8941.370750][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8941.370750][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8941.370750][ T10] ipv6_find_idev+0x102/0x170 [ 8941.370750][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8941.370750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8941.370750][ T10] netlink_rcv_skb+0x130/0x360 [ 8941.370750][ T10] netlink_unicast+0x449/0x710 [ 8941.370750][ T10] netlink_sendmsg+0x723/0xbe0 [ 8941.370750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8941.370750][ T10] ___sys_sendmsg+0xee/0x170 [ 8941.370750][ T10] __sys_sendmsg+0xcd/0x170 [ 8941.370750][ T10] do_syscall_64+0xc6/0x1e0 [ 8941.370750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8941.370750][ T10] [ 8941.372435][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8941.372674][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8941.372674][ T10] netdev_get_by_index+0x5e/0x80 [ 8941.372674][ T10] fib6_nh_init+0x3d8/0x1580 [ 8941.372674][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8941.372674][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8941.372674][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8941.372674][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8941.372674][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8941.372674][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8941.372674][ T10] addrconf_dad_begin+0x310/0x670 [ 8941.372674][ T10] addrconf_dad_work+0x10b/0xab0 [ 8941.372674][ T10] process_one_work+0x84d/0x18a0 [ 8941.372674][ T10] worker_thread+0x587/0xd30 [ 8941.372674][ T10] kthread+0x28a/0x350 [ 8941.372674][ T10] ret_from_fork+0x31/0x70 [ 8941.372674][ T10] ret_from_fork_asm+0x1a/0x30 [ 8941.372674][ T10] [ 8941.374569][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8941.374569][ T10] netdev_get_by_index+0x5e/0x80 [ 8941.374569][ T10] fib6_nh_init+0x3d8/0x1580 [ 8941.374569][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8941.374569][ T10] ip6_route_add+0x1c/0x140 [ 8941.374569][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8941.374569][ T10] inet6_addr_add+0x4f8/0xa40 [ 8941.374569][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8941.374569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8941.374569][ T10] netlink_rcv_skb+0x130/0x360 [ 8941.374569][ T10] netlink_unicast+0x449/0x710 [ 8941.374569][ T10] netlink_sendmsg+0x723/0xbe0 [ 8941.374569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8941.374569][ T10] ___sys_sendmsg+0xee/0x170 [ 8941.374569][ T10] __sys_sendmsg+0xcd/0x170 [ 8941.374569][ T10] do_syscall_64+0xc6/0x1e0 [ 8941.374569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8941.374569][ T10] [ 8941.377095][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8941.377095][ T10] netdev_get_by_index+0x5e/0x80 [ 8941.377095][ T10] fib6_nh_init+0x3d8/0x1580 [ 8941.377095][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8941.377095][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8941.377095][ T10] ipv6_add_addr+0x411/0x2000 [ 8941.377095][ T10] inet6_addr_add+0x30e/0xa40 [ 8941.377095][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8941.377095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8941.377095][ T10] netlink_rcv_skb+0x130/0x360 [ 8941.377095][ T10] netlink_unicast+0x449/0x710 [ 8941.377095][ T10] netlink_sendmsg+0x723/0xbe0 [ 8941.377095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8941.377095][ T10] ___sys_sendmsg+0xee/0x170 [ 8941.377095][ T10] __sys_sendmsg+0xcd/0x170 [ 8941.377095][ T10] do_syscall_64+0xc6/0x1e0 [ 8941.377095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8941.377095][ T10] [ 8941.379075][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8941.379075][ T10] netdev_get_by_index+0x5e/0x80 [ 8941.379075][ T10] fib6_nh_init+0x3d8/0x1580 [ 8941.379075][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8941.379075][ T10] ip6_route_add+0x1c/0x140 [ 8941.379075][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8941.379075][ T10] addrconf_add_dev+0xe2/0x170 [ 8941.379075][ T10] inet6_addr_add+0x12f/0xa40 [ 8941.379075][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8941.379075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8941.379075][ T10] netlink_rcv_skb+0x130/0x360 [ 8941.379075][ T10] netlink_unicast+0x449/0x710 [ 8941.379075][ T10] netlink_sendmsg+0x723/0xbe0 [ 8941.379075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8941.379075][ T10] ___sys_sendmsg+0xee/0x170 [ 8941.379075][ T10] __sys_sendmsg+0xcd/0x170 [ 8941.379075][ T10] do_syscall_64+0xc6/0x1e0 [ 8941.379075][ T10] [ 8941.381034][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8941.381034][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8941.381034][ T10] ipv6_find_idev+0x102/0x170 [ 8941.381034][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8941.381034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8941.381034][ T10] netlink_rcv_skb+0x130/0x360 [ 8941.381034][ T10] netlink_unicast+0x449/0x710 [ 8941.381034][ T10] netlink_sendmsg+0x723/0xbe0 [ 8941.381034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8941.381034][ T10] ___sys_sendmsg+0xee/0x170 [ 8941.381034][ T10] __sys_sendmsg+0xcd/0x170 [ 8941.381034][ T10] do_syscall_64+0xc6/0x1e0 [ 8941.381034][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8941.381034][ T10] [ 8941.382561][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8941.382561][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8941.382561][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8941.382561][ T10] ipv6_find_idev+0x102/0x170 [ 8941.382561][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8941.382561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8941.382561][ T10] netlink_rcv_skb+0x130/0x360 [ 8941.382561][ T10] netlink_unicast+0x449/0x710 [ 8941.382561][ T10] netlink_sendmsg+0x723/0xbe0 [ 8941.382561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8941.382561][ T10] ___sys_sendmsg+0xee/0x170 [ 8941.382561][ T10] __sys_sendmsg+0xcd/0x170 [ 8941.382561][ T10] do_syscall_64+0xc6/0x1e0 [ 8941.382561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8941.382561][ T10] [ 8941.384242][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8941.384476][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8941.384476][ T10] netdev_get_by_index+0x5e/0x80 [ 8941.384476][ T10] fib6_nh_init+0x3d8/0x1580 [ 8941.384476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8941.384476][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8941.384476][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8941.384476][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8941.384476][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8941.384476][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8941.384476][ T10] addrconf_dad_begin+0x310/0x670 [ 8941.384476][ T10] addrconf_dad_work+0x10b/0xab0 [ 8941.384476][ T10] process_one_work+0x84d/0x18a0 [ 8941.384476][ T10] worker_thread+0x587/0xd30 [ 8941.384476][ T10] kthread+0x28a/0x350 [ 8941.384476][ T10] ret_from_fork+0x31/0x70 [ 8941.384476][ T10] ret_from_fork_asm+0x1a/0x30 [ 8941.384476][ T10] [ 8941.386380][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8941.386380][ T10] netdev_get_by_index+0x5e/0x80 [ 8941.386380][ T10] fib6_nh_init+0x3d8/0x1580 [ 8941.386380][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8941.386380][ T10] ip6_route_add+0x1c/0x140 [ 8941.386380][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8941.386380][ T10] inet6_addr_add+0x4f8/0xa40 [ 8941.386380][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8941.386380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8941.386380][ T10] netlink_rcv_skb+0x130/0x360 [ 8941.386380][ T10] netlink_unicast+0x449/0x710 [ 8941.386380][ T10] netlink_sendmsg+0x723/0xbe0 [ 8941.386380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8941.386380][ T10] ___sys_sendmsg+0xee/0x170 [ 8941.386380][ T10] __sys_sendmsg+0xcd/0x170 [ 8941.386380][ T10] do_syscall_64+0xc6/0x1e0 [ 8941.386380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8941.386380][ T10] [ 8941.388425][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8941.388425][ T10] netdev_get_by_index+0x5e/0x80 [ 8941.388425][ T10] fib6_nh_init+0x3d8/0x1580 [ 8941.388425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8941.388425][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8941.388425][ T10] ipv6_add_addr+0x411/0x2000 [ 8941.388425][ T10] inet6_addr_add+0x30e/0xa40 [ 8941.388425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8941.388425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8941.388425][ T10] netlink_rcv_skb+0x130/0x360 [ 8941.388425][ T10] netlink_unicast+0x449/0x710 [ 8941.388425][ T10] netlink_sendmsg+0x723/0xbe0 [ 8941.388425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8941.388425][ T10] ___sys_sendmsg+0xee/0x170 [ 8941.388425][ T10] __sys_sendmsg+0xcd/0x170 [ 8941.388425][ T10] do_syscall_64+0xc6/0x1e0 [ 8941.388425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8941.388425][ T10] [ 8941.390542][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8941.390542][ T10] netdev_get_by_index+0x5e/0x80 [ 8941.390542][ T10] fib6_nh_init+0x3d8/0x1580 [ 8941.390542][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8941.390542][ T10] ip6_route_add+0x1c/0x140 [ 8941.390542][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8941.390542][ T10] addrconf_add_dev+0xe2/0x170 [ 8941.390542][ T10] inet6_addr_add+0x12f/0xa40 [ 8941.390542][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8941.390542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8941.390542][ T10] netlink_rcv_skb+0x130/0x360 [ 8941.390542][ T10] netlink_unicast+0x449/0x710 [ 8941.390542][ T10] netlink_sendmsg+0x723/0xbe0 [ 8941.390542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8941.390542][ T10] ___sys_sendmsg+0xee/0x170 [ 8941.390542][ T10] __sys_sendmsg+0xcd/0x170 [ 8941.390542][ T10] do_syscall_64+0xc6/0x1e0 [ 8941.390542][ T10] [ 8941.392556][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8941.392556][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8941.392556][ T10] ipv6_find_idev+0x102/0x170 [ 8941.392556][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8941.392556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8941.392556][ T10] netlink_rcv_skb+0x130/0x360 [ 8941.392556][ T10] netlink_unicast+0x449/0x710 [ 8941.392556][ T10] netlink_sendmsg+0x723/0xbe0 [ 8941.392556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8941.392556][ T10] ___sys_sendmsg+0xee/0x170 [ 8941.392556][ T10] __sys_sendmsg+0xcd/0x170 [ 8941.392556][ T10] do_syscall_64+0xc6/0x1e0 [ 8941.392556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8941.392556][ T10] [ 8941.394150][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8941.394150][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8941.394150][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8941.394150][ T10] ipv6_find_idev+0x102/0x170 [ 8941.394150][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8941.394150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8941.394150][ T10] netlink_rcv_skb+0x130/0x360 [ 8941.394150][ T10] netlink_unicast+0x449/0x710 [ 8941.394150][ T10] netlink_sendmsg+0x723/0xbe0 [ 8941.394150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8941.394150][ T10] ___sys_sendmsg+0xee/0x170 [ 8941.394150][ T10] __sys_sendmsg+0xcd/0x170 [ 8941.394150][ T10] do_syscall_64+0xc6/0x1e0 [ 8941.394150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8941.394150][ T10] [ 8941.395886][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8941.396557][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8941.396557][ T10] netdev_get_by_index+0x5e/0x80 [ 8941.396557][ T10] fib6_nh_init+0x3d8/0x1580 [ 8941.396557][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8941.396557][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8941.396557][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8941.396557][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8941.396557][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8941.396557][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8941.396557][ T10] addrconf_dad_begin+0x310/0x670 [ 8941.396557][ T10] addrconf_dad_work+0x10b/0xab0 [ 8941.396557][ T10] process_one_work+0x84d/0x18a0 [ 8941.396557][ T10] worker_thread+0x587/0xd30 [ 8941.396557][ T10] kthread+0x28a/0x350 [ 8941.396557][ T10] ret_from_fork+0x31/0x70 [ 8941.396557][ T10] ret_from_fork_asm+0x1a/0x30 [ 8941.396557][ T10] [ 8941.398436][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8941.398436][ T10] netdev_get_by_index+0x5e/0x80 [ 8941.398436][ T10] fib6_nh_init+0x3d8/0x1580 [ 8941.398436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8941.398436][ T10] ip6_route_add+0x1c/0x140 [ 8941.398436][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8941.398436][ T10] inet6_addr_add+0x4f8/0xa40 [ 8941.398436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8941.398436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8941.398436][ T10] netlink_rcv_skb+0x130/0x360 [ 8941.398436][ T10] netlink_unicast+0x449/0x710 [ 8941.398436][ T10] netlink_sendmsg+0x723/0xbe0 [ 8941.398436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8941.398436][ T10] ___sys_sendmsg+0xee/0x170 [ 8941.398436][ T10] __sys_sendmsg+0xcd/0x170 [ 8941.398436][ T10] do_syscall_64+0xc6/0x1e0 [ 8941.398436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8941.398436][ T10] [ 8941.400466][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8941.400466][ T10] netdev_get_by_index+0x5e/0x80 [ 8941.400466][ T10] fib6_nh_init+0x3d8/0x1580 [ 8941.400466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8941.400466][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8941.400466][ T10] ipv6_add_addr+0x411/0x2000 [ 8941.400466][ T10] inet6_addr_add+0x30e/0xa40 [ 8941.400466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8941.400466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8941.400466][ T10] netlink_rcv_skb+0x130/0x360 [ 8941.400466][ T10] netlink_unicast+0x449/0x710 [ 8941.400466][ T10] netlink_sendmsg+0x723/0xbe0 [ 8941.400466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8941.400466][ T10] ___sys_sendmsg+0xee/0x170 [ 8941.400466][ T10] __sys_sendmsg+0xcd/0x170 [ 8941.400466][ T10] do_syscall_64+0xc6/0x1e0 [ 8941.400466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8941.400466][ T10] [ 8941.402513][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8941.402513][ T10] netdev_get_by_index+0x5e/0x80 [ 8941.402513][ T10] fib6_nh_init+0x3d8/0x1580 [ 8941.402513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8941.402513][ T10] ip6_route_add+0x1c/0x140 [ 8941.402513][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8941.402513][ T10] addrconf_add_dev+0xe2/0x170 [ 8941.402513][ T10] inet6_addr_add+0x12f/0xa40 [ 8941.402513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8941.402513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8941.402513][ T10] netlink_rcv_skb+0x130/0x360 [ 8941.402513][ T10] netlink_unicast+0x449/0x710 [ 8941.402513][ T10] netlink_sendmsg+0x723/0xbe0 [ 8941.402513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8941.402513][ T10] ___sys_sendmsg+0xee/0x170 [ 8941.402513][ T10] __sys_sendmsg+0xcd/0x170 [ 8941.402513][ T10] do_syscall_64+0xc6/0x1e0 [ 8941.402513][ T10] [ 8941.404509][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8941.404509][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8941.404509][ T10] ipv6_find_idev+0x102/0x170 [ 8941.404509][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8941.404509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8941.404509][ T10] netlink_rcv_skb+0x130/0x360 [ 8941.404509][ T10] netlink_unicast+0x449/0x710 [ 8941.404509][ T10] netlink_sendmsg+0x723/0xbe0 [ 8941.404509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8941.404509][ T10] ___sys_sendmsg+0xee/0x170 [ 8941.404509][ T10] __sys_sendmsg+0xcd/0x170 [ 8941.404509][ T10] do_syscall_64+0xc6/0x1e0 [ 8941.404509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8941.404509][ T10] [ 8941.406113][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8941.406113][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8941.406113][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8941.406113][ T10] ipv6_find_idev+0x102/0x170 [ 8941.406113][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8941.406113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8941.406113][ T10] netlink_rcv_skb+0x130/0x360 [ 8941.406113][ T10] netlink_unicast+0x449/0x710 [ 8941.406113][ T10] netlink_sendmsg+0x723/0xbe0 [ 8941.406113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8941.406113][ T10] ___sys_sendmsg+0xee/0x170 [ 8941.406113][ T10] __sys_sendmsg+0xcd/0x170 [ 8941.406113][ T10] do_syscall_64+0xc6/0x1e0 [ 8941.406113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8941.406113][ T10] [ 8948.521043][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8948.521527][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8948.521527][ T1167] dst_init+0x84/0x4a0 [ 8948.521527][ T1167] dst_alloc+0x97/0x150 [ 8948.521527][ T1167] ip6_dst_alloc+0x23/0x90 [ 8948.521527][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8948.521527][ T1167] ip6_pol_route+0x56f/0x840 [ 8948.521527][ T1167] fib6_rule_lookup+0x334/0x630 [ 8948.521527][ T1167] ip6_route_output_flags+0x259/0x480 [ 8948.521527][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8948.521527][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8948.521527][ T1167] netlink_rcv_skb+0x130/0x360 [ 8948.521527][ T1167] netlink_unicast+0x449/0x710 [ 8948.521527][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8948.521527][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8948.521527][ T1167] ___sys_sendmsg+0xee/0x170 [ 8948.521527][ T1167] __sys_sendmsg+0xcd/0x170 [ 8948.521527][ T1167] do_syscall_64+0xc6/0x1e0 [ 8948.521527][ T1167] [ 8948.523737][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8948.523737][ T1167] netdev_get_by_index+0x5e/0x80 [ 8948.523737][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8948.523737][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8948.523737][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8948.523737][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8948.523737][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8948.523737][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8948.523737][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8948.523737][ T1167] addrconf_dad_begin+0x310/0x670 [ 8948.523737][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8948.523737][ T1167] process_one_work+0x84d/0x18a0 [ 8948.523737][ T1167] worker_thread+0x587/0xd30 [ 8948.523737][ T1167] kthread+0x28a/0x350 [ 8948.523737][ T1167] ret_from_fork+0x31/0x70 [ 8948.523737][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8948.523737][ T1167] [ 8948.525891][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8948.525891][ T1167] netdev_get_by_index+0x5e/0x80 [ 8948.525891][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8948.525891][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8948.525891][ T1167] ip6_route_add+0x1c/0x140 [ 8948.525891][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8948.525891][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8948.525891][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8948.525891][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8948.525891][ T1167] netlink_rcv_skb+0x130/0x360 [ 8948.525891][ T1167] netlink_unicast+0x449/0x710 [ 8948.525891][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8948.525891][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8948.525891][ T1167] ___sys_sendmsg+0xee/0x170 [ 8948.525891][ T1167] __sys_sendmsg+0xcd/0x170 [ 8948.525891][ T1167] do_syscall_64+0xc6/0x1e0 [ 8948.525891][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8948.525891][ T1167] [ 8948.528131][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8948.528131][ T1167] netdev_get_by_index+0x5e/0x80 [ 8948.528131][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8948.528131][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8948.528131][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8948.528131][ T1167] ipv6_add_addr+0x411/0x2000 [ 8948.528131][ T1167] inet6_addr_add+0x30e/0xa40 [ 8948.528131][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8948.528131][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8948.528131][ T1167] netlink_rcv_skb+0x130/0x360 [ 8948.528131][ T1167] netlink_unicast+0x449/0x710 [ 8948.528131][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8948.528131][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8948.528131][ T1167] ___sys_sendmsg+0xee/0x170 [ 8948.528131][ T1167] __sys_sendmsg+0xcd/0x170 [ 8948.528131][ T1167] do_syscall_64+0xc6/0x1e0 [ 8948.528131][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8948.528131][ T1167] [ 8948.530377][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8948.530377][ T1167] netdev_get_by_index+0x5e/0x80 [ 8948.530377][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8948.530377][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8948.530377][ T1167] ip6_route_add+0x1c/0x140 [ 8948.530377][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8948.530377][ T1167] addrconf_add_dev+0xe2/0x170 [ 8948.530377][ T1167] inet6_addr_add+0x12f/0xa40 [ 8948.530377][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8948.530377][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8948.530377][ T1167] netlink_rcv_skb+0x130/0x360 [ 8948.530377][ T1167] netlink_unicast+0x449/0x710 [ 8948.530377][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8948.530377][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8948.530377][ T1167] ___sys_sendmsg+0xee/0x170 [ 8948.530377][ T1167] __sys_sendmsg+0xcd/0x170 [ 8948.530377][ T1167] do_syscall_64+0xc6/0x1e0 [ 8948.530377][ T1167] [ 8948.532583][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8948.532583][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8948.532583][ T1167] ipv6_find_idev+0x102/0x170 [ 8948.532583][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8948.532583][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8948.532583][ T1167] netlink_rcv_skb+0x130/0x360 [ 8948.532583][ T1167] netlink_unicast+0x449/0x710 [ 8948.532583][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8948.532583][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8948.532583][ T1167] ___sys_sendmsg+0xee/0x170 [ 8948.532583][ T1167] __sys_sendmsg+0xcd/0x170 [ 8948.532583][ T1167] do_syscall_64+0xc6/0x1e0 [ 8948.532583][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8948.532583][ T1167] [ 8948.534315][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8948.534315][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8948.534315][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8948.534315][ T1167] ipv6_find_idev+0x102/0x170 [ 8948.534315][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8948.534315][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8948.534315][ T1167] netlink_rcv_skb+0x130/0x360 [ 8948.534315][ T1167] netlink_unicast+0x449/0x710 [ 8948.534315][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8948.534315][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8948.534315][ T1167] ___sys_sendmsg+0xee/0x170 [ 8948.534315][ T1167] __sys_sendmsg+0xcd/0x170 [ 8948.534315][ T1167] do_syscall_64+0xc6/0x1e0 [ 8948.534315][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8948.534315][ T1167] [ 8951.657042][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8951.657450][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8951.657450][ T10] netdev_get_by_index+0x5e/0x80 [ 8951.657450][ T10] fib6_nh_init+0x3d8/0x1580 [ 8951.657450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8951.657450][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8951.657450][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8951.657450][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8951.657450][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8951.657450][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8951.657450][ T10] addrconf_dad_begin+0x310/0x670 [ 8951.657450][ T10] addrconf_dad_work+0x10b/0xab0 [ 8951.657450][ T10] process_one_work+0x84d/0x18a0 [ 8951.657450][ T10] worker_thread+0x587/0xd30 [ 8951.657450][ T10] kthread+0x28a/0x350 [ 8951.657450][ T10] ret_from_fork+0x31/0x70 [ 8951.657450][ T10] ret_from_fork_asm+0x1a/0x30 [ 8951.657450][ T10] [ 8951.659363][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8951.659363][ T10] netdev_get_by_index+0x5e/0x80 [ 8951.659363][ T10] fib6_nh_init+0x3d8/0x1580 [ 8951.659363][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8951.659363][ T10] ip6_route_add+0x1c/0x140 [ 8951.659363][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8951.659363][ T10] inet6_addr_add+0x4f8/0xa40 [ 8951.659363][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8951.659363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8951.659363][ T10] netlink_rcv_skb+0x130/0x360 [ 8951.659363][ T10] netlink_unicast+0x449/0x710 [ 8951.659363][ T10] netlink_sendmsg+0x723/0xbe0 [ 8951.659363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8951.659363][ T10] ___sys_sendmsg+0xee/0x170 [ 8951.659363][ T10] __sys_sendmsg+0xcd/0x170 [ 8951.659363][ T10] do_syscall_64+0xc6/0x1e0 [ 8951.659363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8951.659363][ T10] [ 8951.661350][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8951.661350][ T10] netdev_get_by_index+0x5e/0x80 [ 8951.661350][ T10] fib6_nh_init+0x3d8/0x1580 [ 8951.661350][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8951.661350][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8951.661350][ T10] ipv6_add_addr+0x411/0x2000 [ 8951.661350][ T10] inet6_addr_add+0x30e/0xa40 [ 8951.661350][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8951.661350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8951.661350][ T10] netlink_rcv_skb+0x130/0x360 [ 8951.661350][ T10] netlink_unicast+0x449/0x710 [ 8951.661350][ T10] netlink_sendmsg+0x723/0xbe0 [ 8951.661350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8951.661350][ T10] ___sys_sendmsg+0xee/0x170 [ 8951.661350][ T10] __sys_sendmsg+0xcd/0x170 [ 8951.661350][ T10] do_syscall_64+0xc6/0x1e0 [ 8951.661350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8951.661350][ T10] [ 8951.663330][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8951.663330][ T10] netdev_get_by_index+0x5e/0x80 [ 8951.663330][ T10] fib6_nh_init+0x3d8/0x1580 [ 8951.663330][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8951.663330][ T10] ip6_route_add+0x1c/0x140 [ 8951.663330][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8951.663330][ T10] addrconf_add_dev+0xe2/0x170 [ 8951.663330][ T10] inet6_addr_add+0x12f/0xa40 [ 8951.663330][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8951.663330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8951.663330][ T10] netlink_rcv_skb+0x130/0x360 [ 8951.663330][ T10] netlink_unicast+0x449/0x710 [ 8951.663330][ T10] netlink_sendmsg+0x723/0xbe0 [ 8951.663330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8951.663330][ T10] ___sys_sendmsg+0xee/0x170 [ 8951.663330][ T10] __sys_sendmsg+0xcd/0x170 [ 8951.663330][ T10] do_syscall_64+0xc6/0x1e0 [ 8951.663330][ T10] [ 8951.665273][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8951.665273][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8951.665273][ T10] ipv6_find_idev+0x102/0x170 [ 8951.665273][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8951.665273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8951.665273][ T10] netlink_rcv_skb+0x130/0x360 [ 8951.665273][ T10] netlink_unicast+0x449/0x710 [ 8951.665273][ T10] netlink_sendmsg+0x723/0xbe0 [ 8951.665273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8951.665273][ T10] ___sys_sendmsg+0xee/0x170 [ 8951.665273][ T10] __sys_sendmsg+0xcd/0x170 [ 8951.665273][ T10] do_syscall_64+0xc6/0x1e0 [ 8951.665273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8951.665273][ T10] [ 8951.666807][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8951.666807][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8951.666807][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8951.666807][ T10] ipv6_find_idev+0x102/0x170 [ 8951.666807][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8951.666807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8951.666807][ T10] netlink_rcv_skb+0x130/0x360 [ 8951.666807][ T10] netlink_unicast+0x449/0x710 [ 8951.666807][ T10] netlink_sendmsg+0x723/0xbe0 [ 8951.666807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8951.666807][ T10] ___sys_sendmsg+0xee/0x170 [ 8951.666807][ T10] __sys_sendmsg+0xcd/0x170 [ 8951.666807][ T10] do_syscall_64+0xc6/0x1e0 [ 8951.666807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8951.666807][ T10] [ 8951.668479][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8951.668719][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8951.668719][ T10] netdev_get_by_index+0x5e/0x80 [ 8951.668719][ T10] fib6_nh_init+0x3d8/0x1580 [ 8951.668719][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8951.668719][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8951.668719][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8951.668719][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8951.668719][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8951.668719][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8951.668719][ T10] addrconf_dad_begin+0x310/0x670 [ 8951.668719][ T10] addrconf_dad_work+0x10b/0xab0 [ 8951.668719][ T10] process_one_work+0x84d/0x18a0 [ 8951.668719][ T10] worker_thread+0x587/0xd30 [ 8951.668719][ T10] kthread+0x28a/0x350 [ 8951.668719][ T10] ret_from_fork+0x31/0x70 [ 8951.668719][ T10] ret_from_fork_asm+0x1a/0x30 [ 8951.668719][ T10] [ 8951.670609][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8951.670609][ T10] netdev_get_by_index+0x5e/0x80 [ 8951.670609][ T10] fib6_nh_init+0x3d8/0x1580 [ 8951.670609][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8951.670609][ T10] ip6_route_add+0x1c/0x140 [ 8951.670609][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8951.670609][ T10] inet6_addr_add+0x4f8/0xa40 [ 8951.670609][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8951.670609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8951.670609][ T10] netlink_rcv_skb+0x130/0x360 [ 8951.670609][ T10] netlink_unicast+0x449/0x710 [ 8951.670609][ T10] netlink_sendmsg+0x723/0xbe0 [ 8951.670609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8951.670609][ T10] ___sys_sendmsg+0xee/0x170 [ 8951.670609][ T10] __sys_sendmsg+0xcd/0x170 [ 8951.670609][ T10] do_syscall_64+0xc6/0x1e0 [ 8951.670609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8951.670609][ T10] [ 8951.672589][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8951.672589][ T10] netdev_get_by_index+0x5e/0x80 [ 8951.672589][ T10] fib6_nh_init+0x3d8/0x1580 [ 8951.672589][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8951.672589][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8951.672589][ T10] ipv6_add_addr+0x411/0x2000 [ 8951.672589][ T10] inet6_addr_add+0x30e/0xa40 [ 8951.672589][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8951.672589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8951.672589][ T10] netlink_rcv_skb+0x130/0x360 [ 8951.672589][ T10] netlink_unicast+0x449/0x710 [ 8951.672589][ T10] netlink_sendmsg+0x723/0xbe0 [ 8951.672589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8951.672589][ T10] ___sys_sendmsg+0xee/0x170 [ 8951.672589][ T10] __sys_sendmsg+0xcd/0x170 [ 8951.672589][ T10] do_syscall_64+0xc6/0x1e0 [ 8951.672589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8951.672589][ T10] [ 8951.674577][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8951.674577][ T10] netdev_get_by_index+0x5e/0x80 [ 8951.674577][ T10] fib6_nh_init+0x3d8/0x1580 [ 8951.674577][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8951.674577][ T10] ip6_route_add+0x1c/0x140 [ 8951.674577][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8951.674577][ T10] addrconf_add_dev+0xe2/0x170 [ 8951.674577][ T10] inet6_addr_add+0x12f/0xa40 [ 8951.674577][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8951.674577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8951.674577][ T10] netlink_rcv_skb+0x130/0x360 [ 8951.674577][ T10] netlink_unicast+0x449/0x710 [ 8951.674577][ T10] netlink_sendmsg+0x723/0xbe0 [ 8951.674577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8951.674577][ T10] ___sys_sendmsg+0xee/0x170 [ 8951.674577][ T10] __sys_sendmsg+0xcd/0x170 [ 8951.674577][ T10] do_syscall_64+0xc6/0x1e0 [ 8951.674577][ T10] [ 8951.676530][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8951.676530][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8951.676530][ T10] ipv6_find_idev+0x102/0x170 [ 8951.676530][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8951.676530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8951.676530][ T10] netlink_rcv_skb+0x130/0x360 [ 8951.676530][ T10] netlink_unicast+0x449/0x710 [ 8951.676530][ T10] netlink_sendmsg+0x723/0xbe0 [ 8951.676530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8951.676530][ T10] ___sys_sendmsg+0xee/0x170 [ 8951.676530][ T10] __sys_sendmsg+0xcd/0x170 [ 8951.676530][ T10] do_syscall_64+0xc6/0x1e0 [ 8951.676530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8951.676530][ T10] [ 8951.678062][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8951.678062][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8951.678062][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8951.678062][ T10] ipv6_find_idev+0x102/0x170 [ 8951.678062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8951.678062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8951.678062][ T10] netlink_rcv_skb+0x130/0x360 [ 8951.678062][ T10] netlink_unicast+0x449/0x710 [ 8951.678062][ T10] netlink_sendmsg+0x723/0xbe0 [ 8951.678062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8951.678062][ T10] ___sys_sendmsg+0xee/0x170 [ 8951.678062][ T10] __sys_sendmsg+0xcd/0x170 [ 8951.678062][ T10] do_syscall_64+0xc6/0x1e0 [ 8951.678062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8951.678062][ T10] [ 8951.679731][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8951.679962][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8951.679962][ T10] netdev_get_by_index+0x5e/0x80 [ 8951.679962][ T10] fib6_nh_init+0x3d8/0x1580 [ 8951.679962][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8951.679962][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8951.679962][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8951.679962][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8951.679962][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8951.679962][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8951.679962][ T10] addrconf_dad_begin+0x310/0x670 [ 8951.679962][ T10] addrconf_dad_work+0x10b/0xab0 [ 8951.679962][ T10] process_one_work+0x84d/0x18a0 [ 8951.679962][ T10] worker_thread+0x587/0xd30 [ 8951.679962][ T10] kthread+0x28a/0x350 [ 8951.679962][ T10] ret_from_fork+0x31/0x70 [ 8951.679962][ T10] ret_from_fork_asm+0x1a/0x30 [ 8951.679962][ T10] [ 8951.681852][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8951.681852][ T10] netdev_get_by_index+0x5e/0x80 [ 8951.681852][ T10] fib6_nh_init+0x3d8/0x1580 [ 8951.681852][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8951.681852][ T10] ip6_route_add+0x1c/0x140 [ 8951.681852][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8951.681852][ T10] inet6_addr_add+0x4f8/0xa40 [ 8951.681852][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8951.681852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8951.681852][ T10] netlink_rcv_skb+0x130/0x360 [ 8951.681852][ T10] netlink_unicast+0x449/0x710 [ 8951.681852][ T10] netlink_sendmsg+0x723/0xbe0 [ 8951.681852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8951.681852][ T10] ___sys_sendmsg+0xee/0x170 [ 8951.681852][ T10] __sys_sendmsg+0xcd/0x170 [ 8951.681852][ T10] do_syscall_64+0xc6/0x1e0 [ 8951.681852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8951.681852][ T10] [ 8951.683895][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8951.683895][ T10] netdev_get_by_index+0x5e/0x80 [ 8951.683895][ T10] fib6_nh_init+0x3d8/0x1580 [ 8951.683895][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8951.683895][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8951.683895][ T10] ipv6_add_addr+0x411/0x2000 [ 8951.683895][ T10] inet6_addr_add+0x30e/0xa40 [ 8951.683895][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8951.683895][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8951.683895][ T10] netlink_rcv_skb+0x130/0x360 [ 8951.683895][ T10] netlink_unicast+0x449/0x710 [ 8951.683895][ T10] netlink_sendmsg+0x723/0xbe0 [ 8951.683895][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8951.683895][ T10] ___sys_sendmsg+0xee/0x170 [ 8951.683895][ T10] __sys_sendmsg+0xcd/0x170 [ 8951.683895][ T10] do_syscall_64+0xc6/0x1e0 [ 8951.683895][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8951.683895][ T10] [ 8951.686003][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8951.686003][ T10] netdev_get_by_index+0x5e/0x80 [ 8951.686003][ T10] fib6_nh_init+0x3d8/0x1580 [ 8951.686003][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8951.686003][ T10] ip6_route_add+0x1c/0x140 [ 8951.686003][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8951.686003][ T10] addrconf_add_dev+0xe2/0x170 [ 8951.686003][ T10] inet6_addr_add+0x12f/0xa40 [ 8951.686003][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8951.686003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8951.686003][ T10] netlink_rcv_skb+0x130/0x360 [ 8951.686003][ T10] netlink_unicast+0x449/0x710 [ 8951.686003][ T10] netlink_sendmsg+0x723/0xbe0 [ 8951.686003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8951.686003][ T10] ___sys_sendmsg+0xee/0x170 [ 8951.686003][ T10] __sys_sendmsg+0xcd/0x170 [ 8951.686003][ T10] do_syscall_64+0xc6/0x1e0 [ 8951.686003][ T10] [ 8951.688015][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8951.688015][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8951.688015][ T10] ipv6_find_idev+0x102/0x170 [ 8951.688015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8951.688015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8951.688015][ T10] netlink_rcv_skb+0x130/0x360 [ 8951.688015][ T10] netlink_unicast+0x449/0x710 [ 8951.688015][ T10] netlink_sendmsg+0x723/0xbe0 [ 8951.688015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8951.688015][ T10] ___sys_sendmsg+0xee/0x170 [ 8951.688015][ T10] __sys_sendmsg+0xcd/0x170 [ 8951.688015][ T10] do_syscall_64+0xc6/0x1e0 [ 8951.688015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8951.688015][ T10] [ 8951.689601][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8951.689601][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8951.689601][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8951.689601][ T10] ipv6_find_idev+0x102/0x170 [ 8951.689601][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8951.689601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8951.689601][ T10] netlink_rcv_skb+0x130/0x360 [ 8951.689601][ T10] netlink_unicast+0x449/0x710 [ 8951.689601][ T10] netlink_sendmsg+0x723/0xbe0 [ 8951.689601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8951.689601][ T10] ___sys_sendmsg+0xee/0x170 [ 8951.689601][ T10] __sys_sendmsg+0xcd/0x170 [ 8951.689601][ T10] do_syscall_64+0xc6/0x1e0 [ 8951.689601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8951.689601][ T10] [ 8951.691330][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8951.691561][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8951.691561][ T10] netdev_get_by_index+0x5e/0x80 [ 8951.691561][ T10] fib6_nh_init+0x3d8/0x1580 [ 8951.691561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8951.691561][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8951.691561][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8951.691561][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8951.691561][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8951.691561][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8951.691561][ T10] addrconf_dad_begin+0x310/0x670 [ 8951.691561][ T10] addrconf_dad_work+0x10b/0xab0 [ 8951.691561][ T10] process_one_work+0x84d/0x18a0 [ 8951.691561][ T10] worker_thread+0x587/0xd30 [ 8951.691561][ T10] kthread+0x28a/0x350 [ 8951.691561][ T10] ret_from_fork+0x31/0x70 [ 8951.691561][ T10] ret_from_fork_asm+0x1a/0x30 [ 8951.691561][ T10] [ 8951.693594][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8951.693594][ T10] netdev_get_by_index+0x5e/0x80 [ 8951.693594][ T10] fib6_nh_init+0x3d8/0x1580 [ 8951.693594][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8951.693594][ T10] ip6_route_add+0x1c/0x140 [ 8951.693594][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8951.693594][ T10] inet6_addr_add+0x4f8/0xa40 [ 8951.693594][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8951.693594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8951.693594][ T10] netlink_rcv_skb+0x130/0x360 [ 8951.693594][ T10] netlink_unicast+0x449/0x710 [ 8951.693594][ T10] netlink_sendmsg+0x723/0xbe0 [ 8951.693594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8951.693594][ T10] ___sys_sendmsg+0xee/0x170 [ 8951.693594][ T10] __sys_sendmsg+0xcd/0x170 [ 8951.693594][ T10] do_syscall_64+0xc6/0x1e0 [ 8951.693594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8951.693594][ T10] [ 8951.695648][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8951.695648][ T10] netdev_get_by_index+0x5e/0x80 [ 8951.695648][ T10] fib6_nh_init+0x3d8/0x1580 [ 8951.695648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8951.695648][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8951.695648][ T10] ipv6_add_addr+0x411/0x2000 [ 8951.695648][ T10] inet6_addr_add+0x30e/0xa40 [ 8951.695648][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8951.695648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8951.695648][ T10] netlink_rcv_skb+0x130/0x360 [ 8951.695648][ T10] netlink_unicast+0x449/0x710 [ 8951.695648][ T10] netlink_sendmsg+0x723/0xbe0 [ 8951.695648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8951.695648][ T10] ___sys_sendmsg+0xee/0x170 [ 8951.695648][ T10] __sys_sendmsg+0xcd/0x170 [ 8951.695648][ T10] do_syscall_64+0xc6/0x1e0 [ 8951.695648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8951.695648][ T10] [ 8951.697706][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8951.697706][ T10] netdev_get_by_index+0x5e/0x80 [ 8951.697706][ T10] fib6_nh_init+0x3d8/0x1580 [ 8951.697706][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8951.697706][ T10] ip6_route_add+0x1c/0x140 [ 8951.697706][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8951.697706][ T10] addrconf_add_dev+0xe2/0x170 [ 8951.697706][ T10] inet6_addr_add+0x12f/0xa40 [ 8951.697706][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8951.697706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8951.697706][ T10] netlink_rcv_skb+0x130/0x360 [ 8951.697706][ T10] netlink_unicast+0x449/0x710 [ 8951.697706][ T10] netlink_sendmsg+0x723/0xbe0 [ 8951.697706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8951.697706][ T10] ___sys_sendmsg+0xee/0x170 [ 8951.697706][ T10] __sys_sendmsg+0xcd/0x170 [ 8951.697706][ T10] do_syscall_64+0xc6/0x1e0 [ 8951.697706][ T10] [ 8951.699714][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8951.699714][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8951.699714][ T10] ipv6_find_idev+0x102/0x170 [ 8951.699714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8951.699714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8951.699714][ T10] netlink_rcv_skb+0x130/0x360 [ 8951.699714][ T10] netlink_unicast+0x449/0x710 [ 8951.699714][ T10] netlink_sendmsg+0x723/0xbe0 [ 8951.699714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8951.699714][ T10] ___sys_sendmsg+0xee/0x170 [ 8951.699714][ T10] __sys_sendmsg+0xcd/0x170 [ 8951.699714][ T10] do_syscall_64+0xc6/0x1e0 [ 8951.699714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8951.699714][ T10] [ 8951.701303][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8951.701303][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8951.701303][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8951.701303][ T10] ipv6_find_idev+0x102/0x170 [ 8951.701303][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8951.701303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8951.701303][ T10] netlink_rcv_skb+0x130/0x360 [ 8951.701303][ T10] netlink_unicast+0x449/0x710 [ 8951.701303][ T10] netlink_sendmsg+0x723/0xbe0 [ 8951.701303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8951.701303][ T10] ___sys_sendmsg+0xee/0x170 [ 8951.701303][ T10] __sys_sendmsg+0xcd/0x170 [ 8951.701303][ T10] do_syscall_64+0xc6/0x1e0 [ 8951.701303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8951.701303][ T10] [ 8958.625043][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8958.625543][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8958.625543][ T1167] dst_init+0x84/0x4a0 [ 8958.625543][ T1167] dst_alloc+0x97/0x150 [ 8958.625543][ T1167] ip6_dst_alloc+0x23/0x90 [ 8958.625543][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8958.625543][ T1167] ip6_pol_route+0x56f/0x840 [ 8958.625543][ T1167] fib6_rule_lookup+0x334/0x630 [ 8958.625543][ T1167] ip6_route_output_flags+0x259/0x480 [ 8958.625543][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8958.625543][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8958.625543][ T1167] netlink_rcv_skb+0x130/0x360 [ 8958.625543][ T1167] netlink_unicast+0x449/0x710 [ 8958.625543][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8958.625543][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8958.625543][ T1167] ___sys_sendmsg+0xee/0x170 [ 8958.625543][ T1167] __sys_sendmsg+0xcd/0x170 [ 8958.625543][ T1167] do_syscall_64+0xc6/0x1e0 [ 8958.625543][ T1167] [ 8958.627758][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8958.627758][ T1167] netdev_get_by_index+0x5e/0x80 [ 8958.627758][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8958.627758][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8958.627758][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8958.627758][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8958.627758][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8958.627758][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8958.627758][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8958.627758][ T1167] addrconf_dad_begin+0x310/0x670 [ 8958.627758][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8958.627758][ T1167] process_one_work+0x84d/0x18a0 [ 8958.627758][ T1167] worker_thread+0x587/0xd30 [ 8958.627758][ T1167] kthread+0x28a/0x350 [ 8958.627758][ T1167] ret_from_fork+0x31/0x70 [ 8958.627758][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8958.627758][ T1167] [ 8958.629913][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8958.629913][ T1167] netdev_get_by_index+0x5e/0x80 [ 8958.629913][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8958.629913][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8958.629913][ T1167] ip6_route_add+0x1c/0x140 [ 8958.629913][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8958.629913][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8958.629913][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8958.629913][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8958.629913][ T1167] netlink_rcv_skb+0x130/0x360 [ 8958.629913][ T1167] netlink_unicast+0x449/0x710 [ 8958.629913][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8958.629913][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8958.629913][ T1167] ___sys_sendmsg+0xee/0x170 [ 8958.629913][ T1167] __sys_sendmsg+0xcd/0x170 [ 8958.629913][ T1167] do_syscall_64+0xc6/0x1e0 [ 8958.629913][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8958.629913][ T1167] [ 8958.632155][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8958.632155][ T1167] netdev_get_by_index+0x5e/0x80 [ 8958.632155][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8958.632155][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8958.632155][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8958.632155][ T1167] ipv6_add_addr+0x411/0x2000 [ 8958.632155][ T1167] inet6_addr_add+0x30e/0xa40 [ 8958.632155][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8958.632155][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8958.632155][ T1167] netlink_rcv_skb+0x130/0x360 [ 8958.632155][ T1167] netlink_unicast+0x449/0x710 [ 8958.632155][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8958.632155][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8958.632155][ T1167] ___sys_sendmsg+0xee/0x170 [ 8958.632155][ T1167] __sys_sendmsg+0xcd/0x170 [ 8958.632155][ T1167] do_syscall_64+0xc6/0x1e0 [ 8958.632155][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8958.632155][ T1167] [ 8958.634410][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8958.634410][ T1167] netdev_get_by_index+0x5e/0x80 [ 8958.634410][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8958.634410][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8958.634410][ T1167] ip6_route_add+0x1c/0x140 [ 8958.634410][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8958.634410][ T1167] addrconf_add_dev+0xe2/0x170 [ 8958.634410][ T1167] inet6_addr_add+0x12f/0xa40 [ 8958.634410][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8958.634410][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8958.634410][ T1167] netlink_rcv_skb+0x130/0x360 [ 8958.634410][ T1167] netlink_unicast+0x449/0x710 [ 8958.634410][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8958.634410][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8958.634410][ T1167] ___sys_sendmsg+0xee/0x170 [ 8958.634410][ T1167] __sys_sendmsg+0xcd/0x170 [ 8958.634410][ T1167] do_syscall_64+0xc6/0x1e0 [ 8958.634410][ T1167] [ 8958.636634][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8958.636634][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8958.636634][ T1167] ipv6_find_idev+0x102/0x170 [ 8958.636634][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8958.636634][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8958.636634][ T1167] netlink_rcv_skb+0x130/0x360 [ 8958.636634][ T1167] netlink_unicast+0x449/0x710 [ 8958.636634][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8958.636634][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8958.636634][ T1167] ___sys_sendmsg+0xee/0x170 [ 8958.636634][ T1167] __sys_sendmsg+0xcd/0x170 [ 8958.636634][ T1167] do_syscall_64+0xc6/0x1e0 [ 8958.636634][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8958.636634][ T1167] [ 8958.638363][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8958.638363][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8958.638363][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8958.638363][ T1167] ipv6_find_idev+0x102/0x170 [ 8958.638363][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8958.638363][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8958.638363][ T1167] netlink_rcv_skb+0x130/0x360 [ 8958.638363][ T1167] netlink_unicast+0x449/0x710 [ 8958.638363][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8958.638363][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8958.638363][ T1167] ___sys_sendmsg+0xee/0x170 [ 8958.638363][ T1167] __sys_sendmsg+0xcd/0x170 [ 8958.638363][ T1167] do_syscall_64+0xc6/0x1e0 [ 8958.638363][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8958.638363][ T1167] [ 8961.953100][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8961.953512][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8961.953512][ T10] netdev_get_by_index+0x5e/0x80 [ 8961.953512][ T10] fib6_nh_init+0x3d8/0x1580 [ 8961.953512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8961.953512][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8961.953512][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8961.953512][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8961.953512][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8961.953512][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8961.953512][ T10] addrconf_dad_begin+0x310/0x670 [ 8961.953512][ T10] addrconf_dad_work+0x10b/0xab0 [ 8961.953512][ T10] process_one_work+0x84d/0x18a0 [ 8961.953512][ T10] worker_thread+0x587/0xd30 [ 8961.953512][ T10] kthread+0x28a/0x350 [ 8961.953512][ T10] ret_from_fork+0x31/0x70 [ 8961.953512][ T10] ret_from_fork_asm+0x1a/0x30 [ 8961.953512][ T10] [ 8961.955463][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8961.955463][ T10] netdev_get_by_index+0x5e/0x80 [ 8961.955463][ T10] fib6_nh_init+0x3d8/0x1580 [ 8961.955463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8961.955463][ T10] ip6_route_add+0x1c/0x140 [ 8961.955463][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8961.955463][ T10] inet6_addr_add+0x4f8/0xa40 [ 8961.955463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8961.955463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8961.955463][ T10] netlink_rcv_skb+0x130/0x360 [ 8961.955463][ T10] netlink_unicast+0x449/0x710 [ 8961.955463][ T10] netlink_sendmsg+0x723/0xbe0 [ 8961.955463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8961.955463][ T10] ___sys_sendmsg+0xee/0x170 [ 8961.955463][ T10] __sys_sendmsg+0xcd/0x170 [ 8961.955463][ T10] do_syscall_64+0xc6/0x1e0 [ 8961.955463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8961.955463][ T10] [ 8961.957494][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8961.957494][ T10] netdev_get_by_index+0x5e/0x80 [ 8961.957494][ T10] fib6_nh_init+0x3d8/0x1580 [ 8961.957494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8961.957494][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8961.957494][ T10] ipv6_add_addr+0x411/0x2000 [ 8961.957494][ T10] inet6_addr_add+0x30e/0xa40 [ 8961.957494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8961.957494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8961.957494][ T10] netlink_rcv_skb+0x130/0x360 [ 8961.957494][ T10] netlink_unicast+0x449/0x710 [ 8961.957494][ T10] netlink_sendmsg+0x723/0xbe0 [ 8961.957494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8961.957494][ T10] ___sys_sendmsg+0xee/0x170 [ 8961.957494][ T10] __sys_sendmsg+0xcd/0x170 [ 8961.957494][ T10] do_syscall_64+0xc6/0x1e0 [ 8961.957494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8961.957494][ T10] [ 8961.959502][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8961.959502][ T10] netdev_get_by_index+0x5e/0x80 [ 8961.959502][ T10] fib6_nh_init+0x3d8/0x1580 [ 8961.959502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8961.959502][ T10] ip6_route_add+0x1c/0x140 [ 8961.959502][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8961.959502][ T10] addrconf_add_dev+0xe2/0x170 [ 8961.959502][ T10] inet6_addr_add+0x12f/0xa40 [ 8961.959502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8961.959502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8961.959502][ T10] netlink_rcv_skb+0x130/0x360 [ 8961.959502][ T10] netlink_unicast+0x449/0x710 [ 8961.959502][ T10] netlink_sendmsg+0x723/0xbe0 [ 8961.959502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8961.959502][ T10] ___sys_sendmsg+0xee/0x170 [ 8961.959502][ T10] __sys_sendmsg+0xcd/0x170 [ 8961.959502][ T10] do_syscall_64+0xc6/0x1e0 [ 8961.959502][ T10] [ 8961.961487][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8961.961487][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8961.961487][ T10] ipv6_find_idev+0x102/0x170 [ 8961.961487][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8961.961487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8961.961487][ T10] netlink_rcv_skb+0x130/0x360 [ 8961.961487][ T10] netlink_unicast+0x449/0x710 [ 8961.961487][ T10] netlink_sendmsg+0x723/0xbe0 [ 8961.961487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8961.961487][ T10] ___sys_sendmsg+0xee/0x170 [ 8961.961487][ T10] __sys_sendmsg+0xcd/0x170 [ 8961.961487][ T10] do_syscall_64+0xc6/0x1e0 [ 8961.961487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8961.961487][ T10] [ 8961.963031][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8961.963031][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8961.963031][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8961.963031][ T10] ipv6_find_idev+0x102/0x170 [ 8961.963031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8961.963031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8961.963031][ T10] netlink_rcv_skb+0x130/0x360 [ 8961.963031][ T10] netlink_unicast+0x449/0x710 [ 8961.963031][ T10] netlink_sendmsg+0x723/0xbe0 [ 8961.963031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8961.963031][ T10] ___sys_sendmsg+0xee/0x170 [ 8961.963031][ T10] __sys_sendmsg+0xcd/0x170 [ 8961.963031][ T10] do_syscall_64+0xc6/0x1e0 [ 8961.963031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8961.963031][ T10] [ 8961.964731][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8961.964976][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8961.964976][ T10] netdev_get_by_index+0x5e/0x80 [ 8961.964976][ T10] fib6_nh_init+0x3d8/0x1580 [ 8961.964976][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8961.964976][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8961.964976][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8961.964976][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8961.964976][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8961.964976][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8961.964976][ T10] addrconf_dad_begin+0x310/0x670 [ 8961.964976][ T10] addrconf_dad_work+0x10b/0xab0 [ 8961.964976][ T10] process_one_work+0x84d/0x18a0 [ 8961.964976][ T10] worker_thread+0x587/0xd30 [ 8961.964976][ T10] kthread+0x28a/0x350 [ 8961.964976][ T10] ret_from_fork+0x31/0x70 [ 8961.964976][ T10] ret_from_fork_asm+0x1a/0x30 [ 8961.964976][ T10] [ 8961.966896][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8961.966896][ T10] netdev_get_by_index+0x5e/0x80 [ 8961.966896][ T10] fib6_nh_init+0x3d8/0x1580 [ 8961.966896][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8961.966896][ T10] ip6_route_add+0x1c/0x140 [ 8961.966896][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8961.966896][ T10] inet6_addr_add+0x4f8/0xa40 [ 8961.966896][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8961.966896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8961.966896][ T10] netlink_rcv_skb+0x130/0x360 [ 8961.966896][ T10] netlink_unicast+0x449/0x710 [ 8961.966896][ T10] netlink_sendmsg+0x723/0xbe0 [ 8961.966896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8961.966896][ T10] ___sys_sendmsg+0xee/0x170 [ 8961.966896][ T10] __sys_sendmsg+0xcd/0x170 [ 8961.966896][ T10] do_syscall_64+0xc6/0x1e0 [ 8961.966896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8961.966896][ T10] [ 8961.968900][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8961.968900][ T10] netdev_get_by_index+0x5e/0x80 [ 8961.968900][ T10] fib6_nh_init+0x3d8/0x1580 [ 8961.968900][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8961.968900][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8961.968900][ T10] ipv6_add_addr+0x411/0x2000 [ 8961.968900][ T10] inet6_addr_add+0x30e/0xa40 [ 8961.968900][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8961.968900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8961.968900][ T10] netlink_rcv_skb+0x130/0x360 [ 8961.968900][ T10] netlink_unicast+0x449/0x710 [ 8961.968900][ T10] netlink_sendmsg+0x723/0xbe0 [ 8961.968900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8961.968900][ T10] ___sys_sendmsg+0xee/0x170 [ 8961.968900][ T10] __sys_sendmsg+0xcd/0x170 [ 8961.968900][ T10] do_syscall_64+0xc6/0x1e0 [ 8961.968900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8961.968900][ T10] [ 8961.970896][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8961.970896][ T10] netdev_get_by_index+0x5e/0x80 [ 8961.970896][ T10] fib6_nh_init+0x3d8/0x1580 [ 8961.970896][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8961.970896][ T10] ip6_route_add+0x1c/0x140 [ 8961.970896][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8961.970896][ T10] addrconf_add_dev+0xe2/0x170 [ 8961.970896][ T10] inet6_addr_add+0x12f/0xa40 [ 8961.970896][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8961.970896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8961.970896][ T10] netlink_rcv_skb+0x130/0x360 [ 8961.970896][ T10] netlink_unicast+0x449/0x710 [ 8961.970896][ T10] netlink_sendmsg+0x723/0xbe0 [ 8961.970896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8961.970896][ T10] ___sys_sendmsg+0xee/0x170 [ 8961.970896][ T10] __sys_sendmsg+0xcd/0x170 [ 8961.970896][ T10] do_syscall_64+0xc6/0x1e0 [ 8961.970896][ T10] [ 8961.972871][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8961.972871][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8961.972871][ T10] ipv6_find_idev+0x102/0x170 [ 8961.972871][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8961.972871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8961.972871][ T10] netlink_rcv_skb+0x130/0x360 [ 8961.972871][ T10] netlink_unicast+0x449/0x710 [ 8961.972871][ T10] netlink_sendmsg+0x723/0xbe0 [ 8961.972871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8961.972871][ T10] ___sys_sendmsg+0xee/0x170 [ 8961.972871][ T10] __sys_sendmsg+0xcd/0x170 [ 8961.972871][ T10] do_syscall_64+0xc6/0x1e0 [ 8961.972871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8961.972871][ T10] [ 8961.974419][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8961.974419][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8961.974419][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8961.974419][ T10] ipv6_find_idev+0x102/0x170 [ 8961.974419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8961.974419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8961.974419][ T10] netlink_rcv_skb+0x130/0x360 [ 8961.974419][ T10] netlink_unicast+0x449/0x710 [ 8961.974419][ T10] netlink_sendmsg+0x723/0xbe0 [ 8961.974419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8961.974419][ T10] ___sys_sendmsg+0xee/0x170 [ 8961.974419][ T10] __sys_sendmsg+0xcd/0x170 [ 8961.974419][ T10] do_syscall_64+0xc6/0x1e0 [ 8961.974419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8961.974419][ T10] [ 8961.976116][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8961.976357][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8961.976357][ T10] netdev_get_by_index+0x5e/0x80 [ 8961.976357][ T10] fib6_nh_init+0x3d8/0x1580 [ 8961.976357][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8961.976357][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8961.976357][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8961.976357][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8961.976357][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8961.976357][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8961.976357][ T10] addrconf_dad_begin+0x310/0x670 [ 8961.976357][ T10] addrconf_dad_work+0x10b/0xab0 [ 8961.976357][ T10] process_one_work+0x84d/0x18a0 [ 8961.976357][ T10] worker_thread+0x587/0xd30 [ 8961.976357][ T10] kthread+0x28a/0x350 [ 8961.976357][ T10] ret_from_fork+0x31/0x70 [ 8961.976357][ T10] ret_from_fork_asm+0x1a/0x30 [ 8961.976357][ T10] [ 8961.978272][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8961.978272][ T10] netdev_get_by_index+0x5e/0x80 [ 8961.978272][ T10] fib6_nh_init+0x3d8/0x1580 [ 8961.978272][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8961.978272][ T10] ip6_route_add+0x1c/0x140 [ 8961.978272][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8961.978272][ T10] inet6_addr_add+0x4f8/0xa40 [ 8961.978272][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8961.978272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8961.978272][ T10] netlink_rcv_skb+0x130/0x360 [ 8961.978272][ T10] netlink_unicast+0x449/0x710 [ 8961.978272][ T10] netlink_sendmsg+0x723/0xbe0 [ 8961.978272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8961.978272][ T10] ___sys_sendmsg+0xee/0x170 [ 8961.978272][ T10] __sys_sendmsg+0xcd/0x170 [ 8961.978272][ T10] do_syscall_64+0xc6/0x1e0 [ 8961.978272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8961.978272][ T10] [ 8961.980416][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8961.980416][ T10] netdev_get_by_index+0x5e/0x80 [ 8961.980416][ T10] fib6_nh_init+0x3d8/0x1580 [ 8961.980416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8961.980416][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8961.980416][ T10] ipv6_add_addr+0x411/0x2000 [ 8961.980416][ T10] inet6_addr_add+0x30e/0xa40 [ 8961.980416][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8961.980416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8961.980416][ T10] netlink_rcv_skb+0x130/0x360 [ 8961.980416][ T10] netlink_unicast+0x449/0x710 [ 8961.980416][ T10] netlink_sendmsg+0x723/0xbe0 [ 8961.980416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8961.980416][ T10] ___sys_sendmsg+0xee/0x170 [ 8961.980416][ T10] __sys_sendmsg+0xcd/0x170 [ 8961.980416][ T10] do_syscall_64+0xc6/0x1e0 [ 8961.980416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8961.980416][ T10] [ 8961.982572][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8961.982572][ T10] netdev_get_by_index+0x5e/0x80 [ 8961.982572][ T10] fib6_nh_init+0x3d8/0x1580 [ 8961.982572][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8961.982572][ T10] ip6_route_add+0x1c/0x140 [ 8961.982572][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8961.982572][ T10] addrconf_add_dev+0xe2/0x170 [ 8961.982572][ T10] inet6_addr_add+0x12f/0xa40 [ 8961.982572][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8961.982572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8961.982572][ T10] netlink_rcv_skb+0x130/0x360 [ 8961.982572][ T10] netlink_unicast+0x449/0x710 [ 8961.982572][ T10] netlink_sendmsg+0x723/0xbe0 [ 8961.982572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8961.982572][ T10] ___sys_sendmsg+0xee/0x170 [ 8961.982572][ T10] __sys_sendmsg+0xcd/0x170 [ 8961.982572][ T10] do_syscall_64+0xc6/0x1e0 [ 8961.982572][ T10] [ 8961.984678][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8961.984678][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8961.984678][ T10] ipv6_find_idev+0x102/0x170 [ 8961.984678][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8961.984678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8961.984678][ T10] netlink_rcv_skb+0x130/0x360 [ 8961.984678][ T10] netlink_unicast+0x449/0x710 [ 8961.984678][ T10] netlink_sendmsg+0x723/0xbe0 [ 8961.984678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8961.984678][ T10] ___sys_sendmsg+0xee/0x170 [ 8961.984678][ T10] __sys_sendmsg+0xcd/0x170 [ 8961.984678][ T10] do_syscall_64+0xc6/0x1e0 [ 8961.984678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8961.984678][ T10] [ 8961.986302][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8961.986302][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8961.986302][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8961.986302][ T10] ipv6_find_idev+0x102/0x170 [ 8961.986302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8961.986302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8961.986302][ T10] netlink_rcv_skb+0x130/0x360 [ 8961.986302][ T10] netlink_unicast+0x449/0x710 [ 8961.986302][ T10] netlink_sendmsg+0x723/0xbe0 [ 8961.986302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8961.986302][ T10] ___sys_sendmsg+0xee/0x170 [ 8961.986302][ T10] __sys_sendmsg+0xcd/0x170 [ 8961.986302][ T10] do_syscall_64+0xc6/0x1e0 [ 8961.986302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8961.986302][ T10] [ 8961.988142][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8961.988384][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8961.988384][ T10] netdev_get_by_index+0x5e/0x80 [ 8961.988384][ T10] fib6_nh_init+0x3d8/0x1580 [ 8961.988384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8961.988384][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8961.988384][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8961.988384][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8961.988384][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8961.988384][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8961.988384][ T10] addrconf_dad_begin+0x310/0x670 [ 8961.988384][ T10] addrconf_dad_work+0x10b/0xab0 [ 8961.988384][ T10] process_one_work+0x84d/0x18a0 [ 8961.988384][ T10] worker_thread+0x587/0xd30 [ 8961.988384][ T10] kthread+0x28a/0x350 [ 8961.988384][ T10] ret_from_fork+0x31/0x70 [ 8961.988384][ T10] ret_from_fork_asm+0x1a/0x30 [ 8961.988384][ T10] [ 8961.990506][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8961.990506][ T10] netdev_get_by_index+0x5e/0x80 [ 8961.990506][ T10] fib6_nh_init+0x3d8/0x1580 [ 8961.990506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8961.990506][ T10] ip6_route_add+0x1c/0x140 [ 8961.990506][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8961.990506][ T10] inet6_addr_add+0x4f8/0xa40 [ 8961.990506][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8961.990506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8961.990506][ T10] netlink_rcv_skb+0x130/0x360 [ 8961.990506][ T10] netlink_unicast+0x449/0x710 [ 8961.990506][ T10] netlink_sendmsg+0x723/0xbe0 [ 8961.990506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8961.990506][ T10] ___sys_sendmsg+0xee/0x170 [ 8961.990506][ T10] __sys_sendmsg+0xcd/0x170 [ 8961.990506][ T10] do_syscall_64+0xc6/0x1e0 [ 8961.990506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8961.990506][ T10] [ 8961.992649][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8961.992649][ T10] netdev_get_by_index+0x5e/0x80 [ 8961.992649][ T10] fib6_nh_init+0x3d8/0x1580 [ 8961.992649][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8961.992649][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8961.992649][ T10] ipv6_add_addr+0x411/0x2000 [ 8961.992649][ T10] inet6_addr_add+0x30e/0xa40 [ 8961.992649][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8961.992649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8961.992649][ T10] netlink_rcv_skb+0x130/0x360 [ 8961.992649][ T10] netlink_unicast+0x449/0x710 [ 8961.992649][ T10] netlink_sendmsg+0x723/0xbe0 [ 8961.992649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8961.992649][ T10] ___sys_sendmsg+0xee/0x170 [ 8961.992649][ T10] __sys_sendmsg+0xcd/0x170 [ 8961.992649][ T10] do_syscall_64+0xc6/0x1e0 [ 8961.992649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8961.992649][ T10] [ 8961.994790][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8961.994790][ T10] netdev_get_by_index+0x5e/0x80 [ 8961.994790][ T10] fib6_nh_init+0x3d8/0x1580 [ 8961.994790][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8961.994790][ T10] ip6_route_add+0x1c/0x140 [ 8961.994790][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8961.994790][ T10] addrconf_add_dev+0xe2/0x170 [ 8961.994790][ T10] inet6_addr_add+0x12f/0xa40 [ 8961.994790][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8961.994790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8961.994790][ T10] netlink_rcv_skb+0x130/0x360 [ 8961.994790][ T10] netlink_unicast+0x449/0x710 [ 8961.994790][ T10] netlink_sendmsg+0x723/0xbe0 [ 8961.994790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8961.994790][ T10] ___sys_sendmsg+0xee/0x170 [ 8961.994790][ T10] __sys_sendmsg+0xcd/0x170 [ 8961.994790][ T10] do_syscall_64+0xc6/0x1e0 [ 8961.994790][ T10] [ 8961.996907][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8961.996907][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8961.996907][ T10] ipv6_find_idev+0x102/0x170 [ 8961.996907][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8961.996907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8961.996907][ T10] netlink_rcv_skb+0x130/0x360 [ 8961.996907][ T10] netlink_unicast+0x449/0x710 [ 8961.996907][ T10] netlink_sendmsg+0x723/0xbe0 [ 8961.996907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8961.996907][ T10] ___sys_sendmsg+0xee/0x170 [ 8961.996907][ T10] __sys_sendmsg+0xcd/0x170 [ 8961.996907][ T10] do_syscall_64+0xc6/0x1e0 [ 8961.996907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8961.996907][ T10] [ 8961.998517][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8961.998517][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8961.998517][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8961.998517][ T10] ipv6_find_idev+0x102/0x170 [ 8961.998517][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8961.998517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8961.998517][ T10] netlink_rcv_skb+0x130/0x360 [ 8961.998517][ T10] netlink_unicast+0x449/0x710 [ 8961.998517][ T10] netlink_sendmsg+0x723/0xbe0 [ 8961.998517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8961.998517][ T10] ___sys_sendmsg+0xee/0x170 [ 8961.998517][ T10] __sys_sendmsg+0xcd/0x170 [ 8961.998517][ T10] do_syscall_64+0xc6/0x1e0 [ 8961.998517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8961.998517][ T10] [ 8968.889034][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8968.889515][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8968.889515][ T1167] dst_init+0x84/0x4a0 [ 8968.889515][ T1167] dst_alloc+0x97/0x150 [ 8968.889515][ T1167] ip6_dst_alloc+0x23/0x90 [ 8968.889515][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8968.889515][ T1167] ip6_pol_route+0x56f/0x840 [ 8968.889515][ T1167] fib6_rule_lookup+0x334/0x630 [ 8968.889515][ T1167] ip6_route_output_flags+0x259/0x480 [ 8968.889515][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8968.889515][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8968.889515][ T1167] netlink_rcv_skb+0x130/0x360 [ 8968.889515][ T1167] netlink_unicast+0x449/0x710 [ 8968.889515][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8968.889515][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8968.889515][ T1167] ___sys_sendmsg+0xee/0x170 [ 8968.889515][ T1167] __sys_sendmsg+0xcd/0x170 [ 8968.889515][ T1167] do_syscall_64+0xc6/0x1e0 [ 8968.889515][ T1167] [ 8968.891722][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8968.891722][ T1167] netdev_get_by_index+0x5e/0x80 [ 8968.891722][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8968.891722][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8968.891722][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8968.891722][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8968.891722][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8968.891722][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8968.891722][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8968.891722][ T1167] addrconf_dad_begin+0x310/0x670 [ 8968.891722][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8968.891722][ T1167] process_one_work+0x84d/0x18a0 [ 8968.891722][ T1167] worker_thread+0x587/0xd30 [ 8968.891722][ T1167] kthread+0x28a/0x350 [ 8968.891722][ T1167] ret_from_fork+0x31/0x70 [ 8968.891722][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8968.891722][ T1167] [ 8968.893873][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8968.893873][ T1167] netdev_get_by_index+0x5e/0x80 [ 8968.893873][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8968.893873][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8968.893873][ T1167] ip6_route_add+0x1c/0x140 [ 8968.893873][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8968.893873][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8968.893873][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8968.893873][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8968.893873][ T1167] netlink_rcv_skb+0x130/0x360 [ 8968.893873][ T1167] netlink_unicast+0x449/0x710 [ 8968.893873][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8968.893873][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8968.893873][ T1167] ___sys_sendmsg+0xee/0x170 [ 8968.893873][ T1167] __sys_sendmsg+0xcd/0x170 [ 8968.893873][ T1167] do_syscall_64+0xc6/0x1e0 [ 8968.893873][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8968.893873][ T1167] [ 8968.896131][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8968.896131][ T1167] netdev_get_by_index+0x5e/0x80 [ 8968.896131][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8968.896131][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8968.896131][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8968.896131][ T1167] ipv6_add_addr+0x411/0x2000 [ 8968.896131][ T1167] inet6_addr_add+0x30e/0xa40 [ 8968.896131][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8968.896131][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8968.896131][ T1167] netlink_rcv_skb+0x130/0x360 [ 8968.896131][ T1167] netlink_unicast+0x449/0x710 [ 8968.896131][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8968.896131][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8968.896131][ T1167] ___sys_sendmsg+0xee/0x170 [ 8968.896131][ T1167] __sys_sendmsg+0xcd/0x170 [ 8968.896131][ T1167] do_syscall_64+0xc6/0x1e0 [ 8968.896131][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8968.896131][ T1167] [ 8968.898379][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8968.898379][ T1167] netdev_get_by_index+0x5e/0x80 [ 8968.898379][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8968.898379][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8968.898379][ T1167] ip6_route_add+0x1c/0x140 [ 8968.898379][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8968.898379][ T1167] addrconf_add_dev+0xe2/0x170 [ 8968.898379][ T1167] inet6_addr_add+0x12f/0xa40 [ 8968.898379][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8968.898379][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8968.898379][ T1167] netlink_rcv_skb+0x130/0x360 [ 8968.898379][ T1167] netlink_unicast+0x449/0x710 [ 8968.898379][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8968.898379][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8968.898379][ T1167] ___sys_sendmsg+0xee/0x170 [ 8968.898379][ T1167] __sys_sendmsg+0xcd/0x170 [ 8968.898379][ T1167] do_syscall_64+0xc6/0x1e0 [ 8968.898379][ T1167] [ 8968.900597][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8968.900597][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8968.900597][ T1167] ipv6_find_idev+0x102/0x170 [ 8968.900597][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8968.900597][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8968.900597][ T1167] netlink_rcv_skb+0x130/0x360 [ 8968.900597][ T1167] netlink_unicast+0x449/0x710 [ 8968.900597][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8968.900597][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8968.900597][ T1167] ___sys_sendmsg+0xee/0x170 [ 8968.900597][ T1167] __sys_sendmsg+0xcd/0x170 [ 8968.900597][ T1167] do_syscall_64+0xc6/0x1e0 [ 8968.900597][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8968.900597][ T1167] [ 8968.902343][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8968.902343][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8968.902343][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8968.902343][ T1167] ipv6_find_idev+0x102/0x170 [ 8968.902343][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8968.902343][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8968.902343][ T1167] netlink_rcv_skb+0x130/0x360 [ 8968.902343][ T1167] netlink_unicast+0x449/0x710 [ 8968.902343][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8968.902343][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8968.902343][ T1167] ___sys_sendmsg+0xee/0x170 [ 8968.902343][ T1167] __sys_sendmsg+0xcd/0x170 [ 8968.902343][ T1167] do_syscall_64+0xc6/0x1e0 [ 8968.902343][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8968.902343][ T1167] [ 8972.001128][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8972.001502][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8972.001502][ T10] netdev_get_by_index+0x5e/0x80 [ 8972.001502][ T10] fib6_nh_init+0x3d8/0x1580 [ 8972.001502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8972.001502][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8972.001502][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8972.001502][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8972.001502][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8972.001502][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8972.001502][ T10] addrconf_dad_begin+0x310/0x670 [ 8972.001502][ T10] addrconf_dad_work+0x10b/0xab0 [ 8972.001502][ T10] process_one_work+0x84d/0x18a0 [ 8972.001502][ T10] worker_thread+0x587/0xd30 [ 8972.001502][ T10] kthread+0x28a/0x350 [ 8972.001502][ T10] ret_from_fork+0x31/0x70 [ 8972.001502][ T10] ret_from_fork_asm+0x1a/0x30 [ 8972.001502][ T10] [ 8972.003447][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8972.003447][ T10] netdev_get_by_index+0x5e/0x80 [ 8972.003447][ T10] fib6_nh_init+0x3d8/0x1580 [ 8972.003447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8972.003447][ T10] ip6_route_add+0x1c/0x140 [ 8972.003447][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8972.003447][ T10] inet6_addr_add+0x4f8/0xa40 [ 8972.003447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8972.003447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8972.003447][ T10] netlink_rcv_skb+0x130/0x360 [ 8972.003447][ T10] netlink_unicast+0x449/0x710 [ 8972.003447][ T10] netlink_sendmsg+0x723/0xbe0 [ 8972.003447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8972.003447][ T10] ___sys_sendmsg+0xee/0x170 [ 8972.003447][ T10] __sys_sendmsg+0xcd/0x170 [ 8972.003447][ T10] do_syscall_64+0xc6/0x1e0 [ 8972.003447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8972.003447][ T10] [ 8972.005453][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8972.005453][ T10] netdev_get_by_index+0x5e/0x80 [ 8972.005453][ T10] fib6_nh_init+0x3d8/0x1580 [ 8972.005453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8972.005453][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8972.005453][ T10] ipv6_add_addr+0x411/0x2000 [ 8972.005453][ T10] inet6_addr_add+0x30e/0xa40 [ 8972.005453][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8972.005453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8972.005453][ T10] netlink_rcv_skb+0x130/0x360 [ 8972.005453][ T10] netlink_unicast+0x449/0x710 [ 8972.005453][ T10] netlink_sendmsg+0x723/0xbe0 [ 8972.005453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8972.005453][ T10] ___sys_sendmsg+0xee/0x170 [ 8972.005453][ T10] __sys_sendmsg+0xcd/0x170 [ 8972.005453][ T10] do_syscall_64+0xc6/0x1e0 [ 8972.005453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8972.005453][ T10] [ 8972.007493][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8972.007493][ T10] netdev_get_by_index+0x5e/0x80 [ 8972.007493][ T10] fib6_nh_init+0x3d8/0x1580 [ 8972.007493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8972.007493][ T10] ip6_route_add+0x1c/0x140 [ 8972.007493][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8972.007493][ T10] addrconf_add_dev+0xe2/0x170 [ 8972.007493][ T10] inet6_addr_add+0x12f/0xa40 [ 8972.007493][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8972.007493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8972.007493][ T10] netlink_rcv_skb+0x130/0x360 [ 8972.007493][ T10] netlink_unicast+0x449/0x710 [ 8972.007493][ T10] netlink_sendmsg+0x723/0xbe0 [ 8972.007493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8972.007493][ T10] ___sys_sendmsg+0xee/0x170 [ 8972.007493][ T10] __sys_sendmsg+0xcd/0x170 [ 8972.007493][ T10] do_syscall_64+0xc6/0x1e0 [ 8972.007493][ T10] [ 8972.009467][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8972.009467][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8972.009467][ T10] ipv6_find_idev+0x102/0x170 [ 8972.009467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8972.009467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8972.009467][ T10] netlink_rcv_skb+0x130/0x360 [ 8972.009467][ T10] netlink_unicast+0x449/0x710 [ 8972.009467][ T10] netlink_sendmsg+0x723/0xbe0 [ 8972.009467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8972.009467][ T10] ___sys_sendmsg+0xee/0x170 [ 8972.009467][ T10] __sys_sendmsg+0xcd/0x170 [ 8972.009467][ T10] do_syscall_64+0xc6/0x1e0 [ 8972.009467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8972.009467][ T10] [ 8972.011015][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8972.011015][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8972.011015][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8972.011015][ T10] ipv6_find_idev+0x102/0x170 [ 8972.011015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8972.011015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8972.011015][ T10] netlink_rcv_skb+0x130/0x360 [ 8972.011015][ T10] netlink_unicast+0x449/0x710 [ 8972.011015][ T10] netlink_sendmsg+0x723/0xbe0 [ 8972.011015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8972.011015][ T10] ___sys_sendmsg+0xee/0x170 [ 8972.011015][ T10] __sys_sendmsg+0xcd/0x170 [ 8972.011015][ T10] do_syscall_64+0xc6/0x1e0 [ 8972.011015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8972.011015][ T10] [ 8972.012727][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8972.012974][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8972.012974][ T10] netdev_get_by_index+0x5e/0x80 [ 8972.012974][ T10] fib6_nh_init+0x3d8/0x1580 [ 8972.012974][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8972.012974][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8972.012974][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8972.012974][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8972.012974][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8972.012974][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8972.012974][ T10] addrconf_dad_begin+0x310/0x670 [ 8972.012974][ T10] addrconf_dad_work+0x10b/0xab0 [ 8972.012974][ T10] process_one_work+0x84d/0x18a0 [ 8972.012974][ T10] worker_thread+0x587/0xd30 [ 8972.012974][ T10] kthread+0x28a/0x350 [ 8972.012974][ T10] ret_from_fork+0x31/0x70 [ 8972.012974][ T10] ret_from_fork_asm+0x1a/0x30 [ 8972.012974][ T10] [ 8972.014893][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8972.014893][ T10] netdev_get_by_index+0x5e/0x80 [ 8972.014893][ T10] fib6_nh_init+0x3d8/0x1580 [ 8972.014893][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8972.014893][ T10] ip6_route_add+0x1c/0x140 [ 8972.014893][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8972.014893][ T10] inet6_addr_add+0x4f8/0xa40 [ 8972.014893][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8972.014893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8972.014893][ T10] netlink_rcv_skb+0x130/0x360 [ 8972.014893][ T10] netlink_unicast+0x449/0x710 [ 8972.014893][ T10] netlink_sendmsg+0x723/0xbe0 [ 8972.014893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8972.014893][ T10] ___sys_sendmsg+0xee/0x170 [ 8972.014893][ T10] __sys_sendmsg+0xcd/0x170 [ 8972.014893][ T10] do_syscall_64+0xc6/0x1e0 [ 8972.014893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8972.014893][ T10] [ 8972.016907][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8972.016907][ T10] netdev_get_by_index+0x5e/0x80 [ 8972.016907][ T10] fib6_nh_init+0x3d8/0x1580 [ 8972.016907][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8972.016907][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8972.016907][ T10] ipv6_add_addr+0x411/0x2000 [ 8972.016907][ T10] inet6_addr_add+0x30e/0xa40 [ 8972.016907][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8972.016907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8972.016907][ T10] netlink_rcv_skb+0x130/0x360 [ 8972.016907][ T10] netlink_unicast+0x449/0x710 [ 8972.016907][ T10] netlink_sendmsg+0x723/0xbe0 [ 8972.016907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8972.016907][ T10] ___sys_sendmsg+0xee/0x170 [ 8972.016907][ T10] __sys_sendmsg+0xcd/0x170 [ 8972.016907][ T10] do_syscall_64+0xc6/0x1e0 [ 8972.016907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8972.016907][ T10] [ 8972.018909][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8972.018909][ T10] netdev_get_by_index+0x5e/0x80 [ 8972.018909][ T10] fib6_nh_init+0x3d8/0x1580 [ 8972.018909][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8972.018909][ T10] ip6_route_add+0x1c/0x140 [ 8972.018909][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8972.018909][ T10] addrconf_add_dev+0xe2/0x170 [ 8972.018909][ T10] inet6_addr_add+0x12f/0xa40 [ 8972.018909][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8972.018909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8972.018909][ T10] netlink_rcv_skb+0x130/0x360 [ 8972.018909][ T10] netlink_unicast+0x449/0x710 [ 8972.018909][ T10] netlink_sendmsg+0x723/0xbe0 [ 8972.018909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8972.018909][ T10] ___sys_sendmsg+0xee/0x170 [ 8972.018909][ T10] __sys_sendmsg+0xcd/0x170 [ 8972.018909][ T10] do_syscall_64+0xc6/0x1e0 [ 8972.018909][ T10] [ 8972.020878][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8972.020878][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8972.020878][ T10] ipv6_find_idev+0x102/0x170 [ 8972.020878][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8972.020878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8972.020878][ T10] netlink_rcv_skb+0x130/0x360 [ 8972.020878][ T10] netlink_unicast+0x449/0x710 [ 8972.020878][ T10] netlink_sendmsg+0x723/0xbe0 [ 8972.020878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8972.020878][ T10] ___sys_sendmsg+0xee/0x170 [ 8972.020878][ T10] __sys_sendmsg+0xcd/0x170 [ 8972.020878][ T10] do_syscall_64+0xc6/0x1e0 [ 8972.020878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8972.020878][ T10] [ 8972.022424][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8972.022424][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8972.022424][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8972.022424][ T10] ipv6_find_idev+0x102/0x170 [ 8972.022424][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8972.022424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8972.022424][ T10] netlink_rcv_skb+0x130/0x360 [ 8972.022424][ T10] netlink_unicast+0x449/0x710 [ 8972.022424][ T10] netlink_sendmsg+0x723/0xbe0 [ 8972.022424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8972.022424][ T10] ___sys_sendmsg+0xee/0x170 [ 8972.022424][ T10] __sys_sendmsg+0xcd/0x170 [ 8972.022424][ T10] do_syscall_64+0xc6/0x1e0 [ 8972.022424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8972.022424][ T10] [ 8972.024126][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8972.024366][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8972.024366][ T10] netdev_get_by_index+0x5e/0x80 [ 8972.024366][ T10] fib6_nh_init+0x3d8/0x1580 [ 8972.024366][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8972.024366][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8972.024366][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8972.024366][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8972.024366][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8972.024366][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8972.024366][ T10] addrconf_dad_begin+0x310/0x670 [ 8972.024366][ T10] addrconf_dad_work+0x10b/0xab0 [ 8972.024366][ T10] process_one_work+0x84d/0x18a0 [ 8972.024366][ T10] worker_thread+0x587/0xd30 [ 8972.024366][ T10] kthread+0x28a/0x350 [ 8972.024366][ T10] ret_from_fork+0x31/0x70 [ 8972.024366][ T10] ret_from_fork_asm+0x1a/0x30 [ 8972.024366][ T10] [ 8972.026293][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8972.026293][ T10] netdev_get_by_index+0x5e/0x80 [ 8972.026293][ T10] fib6_nh_init+0x3d8/0x1580 [ 8972.026293][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8972.026293][ T10] ip6_route_add+0x1c/0x140 [ 8972.026293][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8972.026293][ T10] inet6_addr_add+0x4f8/0xa40 [ 8972.026293][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8972.026293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8972.026293][ T10] netlink_rcv_skb+0x130/0x360 [ 8972.026293][ T10] netlink_unicast+0x449/0x710 [ 8972.026293][ T10] netlink_sendmsg+0x723/0xbe0 [ 8972.026293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8972.026293][ T10] ___sys_sendmsg+0xee/0x170 [ 8972.026293][ T10] __sys_sendmsg+0xcd/0x170 [ 8972.026293][ T10] do_syscall_64+0xc6/0x1e0 [ 8972.026293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8972.026293][ T10] [ 8972.028497][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8972.028497][ T10] netdev_get_by_index+0x5e/0x80 [ 8972.028497][ T10] fib6_nh_init+0x3d8/0x1580 [ 8972.028497][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8972.028497][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8972.028497][ T10] ipv6_add_addr+0x411/0x2000 [ 8972.028497][ T10] inet6_addr_add+0x30e/0xa40 [ 8972.028497][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8972.028497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8972.028497][ T10] netlink_rcv_skb+0x130/0x360 [ 8972.028497][ T10] netlink_unicast+0x449/0x710 [ 8972.028497][ T10] netlink_sendmsg+0x723/0xbe0 [ 8972.028497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8972.028497][ T10] ___sys_sendmsg+0xee/0x170 [ 8972.028497][ T10] __sys_sendmsg+0xcd/0x170 [ 8972.028497][ T10] do_syscall_64+0xc6/0x1e0 [ 8972.028497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8972.028497][ T10] [ 8972.030790][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8972.030790][ T10] netdev_get_by_index+0x5e/0x80 [ 8972.030790][ T10] fib6_nh_init+0x3d8/0x1580 [ 8972.030790][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8972.030790][ T10] ip6_route_add+0x1c/0x140 [ 8972.030790][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8972.030790][ T10] addrconf_add_dev+0xe2/0x170 [ 8972.030790][ T10] inet6_addr_add+0x12f/0xa40 [ 8972.030790][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8972.030790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8972.030790][ T10] netlink_rcv_skb+0x130/0x360 [ 8972.030790][ T10] netlink_unicast+0x449/0x710 [ 8972.030790][ T10] netlink_sendmsg+0x723/0xbe0 [ 8972.030790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8972.030790][ T10] ___sys_sendmsg+0xee/0x170 [ 8972.030790][ T10] __sys_sendmsg+0xcd/0x170 [ 8972.030790][ T10] do_syscall_64+0xc6/0x1e0 [ 8972.030790][ T10] [ 8972.032946][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8972.032946][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8972.032946][ T10] ipv6_find_idev+0x102/0x170 [ 8972.032946][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8972.032946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8972.032946][ T10] netlink_rcv_skb+0x130/0x360 [ 8972.032946][ T10] netlink_unicast+0x449/0x710 [ 8972.032946][ T10] netlink_sendmsg+0x723/0xbe0 [ 8972.032946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8972.032946][ T10] ___sys_sendmsg+0xee/0x170 [ 8972.032946][ T10] __sys_sendmsg+0xcd/0x170 [ 8972.032946][ T10] do_syscall_64+0xc6/0x1e0 [ 8972.032946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8972.032946][ T10] [ 8972.035188][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8972.035188][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8972.035188][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8972.035188][ T10] ipv6_find_idev+0x102/0x170 [ 8972.035188][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8972.035188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8972.035188][ T10] netlink_rcv_skb+0x130/0x360 [ 8972.035188][ T10] netlink_unicast+0x449/0x710 [ 8972.035188][ T10] netlink_sendmsg+0x723/0xbe0 [ 8972.035188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8972.035188][ T10] ___sys_sendmsg+0xee/0x170 [ 8972.035188][ T10] __sys_sendmsg+0xcd/0x170 [ 8972.035188][ T10] do_syscall_64+0xc6/0x1e0 [ 8972.035188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8972.035188][ T10] [ 8972.037210][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8972.037451][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8972.037451][ T10] netdev_get_by_index+0x5e/0x80 [ 8972.037451][ T10] fib6_nh_init+0x3d8/0x1580 [ 8972.037451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8972.037451][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8972.037451][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8972.037451][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8972.037451][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8972.037451][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8972.037451][ T10] addrconf_dad_begin+0x310/0x670 [ 8972.037451][ T10] addrconf_dad_work+0x10b/0xab0 [ 8972.037451][ T10] process_one_work+0x84d/0x18a0 [ 8972.037451][ T10] worker_thread+0x587/0xd30 [ 8972.037451][ T10] kthread+0x28a/0x350 [ 8972.037451][ T10] ret_from_fork+0x31/0x70 [ 8972.037451][ T10] ret_from_fork_asm+0x1a/0x30 [ 8972.037451][ T10] [ 8972.039609][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8972.039609][ T10] netdev_get_by_index+0x5e/0x80 [ 8972.039609][ T10] fib6_nh_init+0x3d8/0x1580 [ 8972.039609][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8972.039609][ T10] ip6_route_add+0x1c/0x140 [ 8972.039609][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8972.039609][ T10] inet6_addr_add+0x4f8/0xa40 [ 8972.039609][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8972.039609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8972.039609][ T10] netlink_rcv_skb+0x130/0x360 [ 8972.039609][ T10] netlink_unicast+0x449/0x710 [ 8972.039609][ T10] netlink_sendmsg+0x723/0xbe0 [ 8972.039609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8972.039609][ T10] ___sys_sendmsg+0xee/0x170 [ 8972.039609][ T10] __sys_sendmsg+0xcd/0x170 [ 8972.039609][ T10] do_syscall_64+0xc6/0x1e0 [ 8972.039609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8972.039609][ T10] [ 8972.041791][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8972.041791][ T10] netdev_get_by_index+0x5e/0x80 [ 8972.041791][ T10] fib6_nh_init+0x3d8/0x1580 [ 8972.041791][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8972.041791][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8972.041791][ T10] ipv6_add_addr+0x411/0x2000 [ 8972.041791][ T10] inet6_addr_add+0x30e/0xa40 [ 8972.041791][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8972.041791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8972.041791][ T10] netlink_rcv_skb+0x130/0x360 [ 8972.041791][ T10] netlink_unicast+0x449/0x710 [ 8972.041791][ T10] netlink_sendmsg+0x723/0xbe0 [ 8972.041791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8972.041791][ T10] ___sys_sendmsg+0xee/0x170 [ 8972.041791][ T10] __sys_sendmsg+0xcd/0x170 [ 8972.041791][ T10] do_syscall_64+0xc6/0x1e0 [ 8972.041791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8972.041791][ T10] [ 8972.044038][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8972.044038][ T10] netdev_get_by_index+0x5e/0x80 [ 8972.044038][ T10] fib6_nh_init+0x3d8/0x1580 [ 8972.044038][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8972.044038][ T10] ip6_route_add+0x1c/0x140 [ 8972.044038][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8972.044038][ T10] addrconf_add_dev+0xe2/0x170 [ 8972.044038][ T10] inet6_addr_add+0x12f/0xa40 [ 8972.044038][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8972.044038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8972.044038][ T10] netlink_rcv_skb+0x130/0x360 [ 8972.044038][ T10] netlink_unicast+0x449/0x710 [ 8972.044038][ T10] netlink_sendmsg+0x723/0xbe0 [ 8972.044038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8972.044038][ T10] ___sys_sendmsg+0xee/0x170 [ 8972.044038][ T10] __sys_sendmsg+0xcd/0x170 [ 8972.044038][ T10] do_syscall_64+0xc6/0x1e0 [ 8972.044038][ T10] [ 8972.046313][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8972.046313][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8972.046313][ T10] ipv6_find_idev+0x102/0x170 [ 8972.046313][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8972.046313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8972.046313][ T10] netlink_rcv_skb+0x130/0x360 [ 8972.046313][ T10] netlink_unicast+0x449/0x710 [ 8972.046313][ T10] netlink_sendmsg+0x723/0xbe0 [ 8972.046313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8972.046313][ T10] ___sys_sendmsg+0xee/0x170 [ 8972.046313][ T10] __sys_sendmsg+0xcd/0x170 [ 8972.046313][ T10] do_syscall_64+0xc6/0x1e0 [ 8972.046313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8972.046313][ T10] [ 8972.048037][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8972.048037][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8972.048037][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8972.048037][ T10] ipv6_find_idev+0x102/0x170 [ 8972.048037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8972.048037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8972.048037][ T10] netlink_rcv_skb+0x130/0x360 [ 8972.048037][ T10] netlink_unicast+0x449/0x710 [ 8972.048037][ T10] netlink_sendmsg+0x723/0xbe0 [ 8972.048037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8972.048037][ T10] ___sys_sendmsg+0xee/0x170 [ 8972.048037][ T10] __sys_sendmsg+0xcd/0x170 [ 8972.048037][ T10] do_syscall_64+0xc6/0x1e0 [ 8972.048037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8972.048037][ T10] [ 8979.145032][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8979.145527][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8979.145527][ T1167] dst_init+0x84/0x4a0 [ 8979.145527][ T1167] dst_alloc+0x97/0x150 [ 8979.145527][ T1167] ip6_dst_alloc+0x23/0x90 [ 8979.145527][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8979.145527][ T1167] ip6_pol_route+0x56f/0x840 [ 8979.145527][ T1167] fib6_rule_lookup+0x334/0x630 [ 8979.145527][ T1167] ip6_route_output_flags+0x259/0x480 [ 8979.145527][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8979.145527][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8979.145527][ T1167] netlink_rcv_skb+0x130/0x360 [ 8979.145527][ T1167] netlink_unicast+0x449/0x710 [ 8979.145527][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8979.145527][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8979.145527][ T1167] ___sys_sendmsg+0xee/0x170 [ 8979.145527][ T1167] __sys_sendmsg+0xcd/0x170 [ 8979.145527][ T1167] do_syscall_64+0xc6/0x1e0 [ 8979.145527][ T1167] [ 8979.147746][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8979.147746][ T1167] netdev_get_by_index+0x5e/0x80 [ 8979.147746][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8979.147746][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8979.147746][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8979.147746][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8979.147746][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8979.147746][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8979.147746][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8979.147746][ T1167] addrconf_dad_begin+0x310/0x670 [ 8979.147746][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8979.147746][ T1167] process_one_work+0x84d/0x18a0 [ 8979.147746][ T1167] worker_thread+0x587/0xd30 [ 8979.147746][ T1167] kthread+0x28a/0x350 [ 8979.147746][ T1167] ret_from_fork+0x31/0x70 [ 8979.147746][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8979.147746][ T1167] [ 8979.149890][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8979.149890][ T1167] netdev_get_by_index+0x5e/0x80 [ 8979.149890][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8979.149890][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8979.149890][ T1167] ip6_route_add+0x1c/0x140 [ 8979.149890][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8979.149890][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8979.149890][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8979.149890][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8979.149890][ T1167] netlink_rcv_skb+0x130/0x360 [ 8979.149890][ T1167] netlink_unicast+0x449/0x710 [ 8979.149890][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8979.149890][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8979.149890][ T1167] ___sys_sendmsg+0xee/0x170 [ 8979.149890][ T1167] __sys_sendmsg+0xcd/0x170 [ 8979.149890][ T1167] do_syscall_64+0xc6/0x1e0 [ 8979.149890][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8979.149890][ T1167] [ 8979.152133][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8979.152133][ T1167] netdev_get_by_index+0x5e/0x80 [ 8979.152133][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8979.152133][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8979.152133][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8979.152133][ T1167] ipv6_add_addr+0x411/0x2000 [ 8979.152133][ T1167] inet6_addr_add+0x30e/0xa40 [ 8979.152133][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8979.152133][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8979.152133][ T1167] netlink_rcv_skb+0x130/0x360 [ 8979.152133][ T1167] netlink_unicast+0x449/0x710 [ 8979.152133][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8979.152133][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8979.152133][ T1167] ___sys_sendmsg+0xee/0x170 [ 8979.152133][ T1167] __sys_sendmsg+0xcd/0x170 [ 8979.152133][ T1167] do_syscall_64+0xc6/0x1e0 [ 8979.152133][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8979.152133][ T1167] [ 8979.154377][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8979.154377][ T1167] netdev_get_by_index+0x5e/0x80 [ 8979.154377][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8979.154377][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8979.154377][ T1167] ip6_route_add+0x1c/0x140 [ 8979.154377][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8979.154377][ T1167] addrconf_add_dev+0xe2/0x170 [ 8979.154377][ T1167] inet6_addr_add+0x12f/0xa40 [ 8979.154377][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8979.154377][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8979.154377][ T1167] netlink_rcv_skb+0x130/0x360 [ 8979.154377][ T1167] netlink_unicast+0x449/0x710 [ 8979.154377][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8979.154377][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8979.154377][ T1167] ___sys_sendmsg+0xee/0x170 [ 8979.154377][ T1167] __sys_sendmsg+0xcd/0x170 [ 8979.154377][ T1167] do_syscall_64+0xc6/0x1e0 [ 8979.154377][ T1167] [ 8979.156624][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8979.156624][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8979.156624][ T1167] ipv6_find_idev+0x102/0x170 [ 8979.156624][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8979.156624][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8979.156624][ T1167] netlink_rcv_skb+0x130/0x360 [ 8979.156624][ T1167] netlink_unicast+0x449/0x710 [ 8979.156624][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8979.156624][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8979.156624][ T1167] ___sys_sendmsg+0xee/0x170 [ 8979.156624][ T1167] __sys_sendmsg+0xcd/0x170 [ 8979.156624][ T1167] do_syscall_64+0xc6/0x1e0 [ 8979.156624][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8979.156624][ T1167] [ 8979.158344][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8979.158344][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8979.158344][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8979.158344][ T1167] ipv6_find_idev+0x102/0x170 [ 8979.158344][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8979.158344][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8979.158344][ T1167] netlink_rcv_skb+0x130/0x360 [ 8979.158344][ T1167] netlink_unicast+0x449/0x710 [ 8979.158344][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8979.158344][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8979.158344][ T1167] ___sys_sendmsg+0xee/0x170 [ 8979.158344][ T1167] __sys_sendmsg+0xcd/0x170 [ 8979.158344][ T1167] do_syscall_64+0xc6/0x1e0 [ 8979.158344][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8979.158344][ T1167] [ 8982.289099][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8982.289526][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8982.289526][ T10] netdev_get_by_index+0x5e/0x80 [ 8982.289526][ T10] fib6_nh_init+0x3d8/0x1580 [ 8982.289526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8982.289526][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8982.289526][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8982.289526][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8982.289526][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8982.289526][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8982.289526][ T10] addrconf_dad_begin+0x310/0x670 [ 8982.289526][ T10] addrconf_dad_work+0x10b/0xab0 [ 8982.289526][ T10] process_one_work+0x84d/0x18a0 [ 8982.289526][ T10] worker_thread+0x587/0xd30 [ 8982.289526][ T10] kthread+0x28a/0x350 [ 8982.289526][ T10] ret_from_fork+0x31/0x70 [ 8982.289526][ T10] ret_from_fork_asm+0x1a/0x30 [ 8982.289526][ T10] [ 8982.291485][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8982.291485][ T10] netdev_get_by_index+0x5e/0x80 [ 8982.291485][ T10] fib6_nh_init+0x3d8/0x1580 [ 8982.291485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8982.291485][ T10] ip6_route_add+0x1c/0x140 [ 8982.291485][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8982.291485][ T10] inet6_addr_add+0x4f8/0xa40 [ 8982.291485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8982.291485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8982.291485][ T10] netlink_rcv_skb+0x130/0x360 [ 8982.291485][ T10] netlink_unicast+0x449/0x710 [ 8982.291485][ T10] netlink_sendmsg+0x723/0xbe0 [ 8982.291485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8982.291485][ T10] ___sys_sendmsg+0xee/0x170 [ 8982.291485][ T10] __sys_sendmsg+0xcd/0x170 [ 8982.291485][ T10] do_syscall_64+0xc6/0x1e0 [ 8982.291485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8982.291485][ T10] [ 8982.293496][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8982.293496][ T10] netdev_get_by_index+0x5e/0x80 [ 8982.293496][ T10] fib6_nh_init+0x3d8/0x1580 [ 8982.293496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8982.293496][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8982.293496][ T10] ipv6_add_addr+0x411/0x2000 [ 8982.293496][ T10] inet6_addr_add+0x30e/0xa40 [ 8982.293496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8982.293496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8982.293496][ T10] netlink_rcv_skb+0x130/0x360 [ 8982.293496][ T10] netlink_unicast+0x449/0x710 [ 8982.293496][ T10] netlink_sendmsg+0x723/0xbe0 [ 8982.293496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8982.293496][ T10] ___sys_sendmsg+0xee/0x170 [ 8982.293496][ T10] __sys_sendmsg+0xcd/0x170 [ 8982.293496][ T10] do_syscall_64+0xc6/0x1e0 [ 8982.293496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8982.293496][ T10] [ 8982.295503][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8982.295503][ T10] netdev_get_by_index+0x5e/0x80 [ 8982.295503][ T10] fib6_nh_init+0x3d8/0x1580 [ 8982.295503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8982.295503][ T10] ip6_route_add+0x1c/0x140 [ 8982.295503][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8982.295503][ T10] addrconf_add_dev+0xe2/0x170 [ 8982.295503][ T10] inet6_addr_add+0x12f/0xa40 [ 8982.295503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8982.295503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8982.295503][ T10] netlink_rcv_skb+0x130/0x360 [ 8982.295503][ T10] netlink_unicast+0x449/0x710 [ 8982.295503][ T10] netlink_sendmsg+0x723/0xbe0 [ 8982.295503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8982.295503][ T10] ___sys_sendmsg+0xee/0x170 [ 8982.295503][ T10] __sys_sendmsg+0xcd/0x170 [ 8982.295503][ T10] do_syscall_64+0xc6/0x1e0 [ 8982.295503][ T10] [ 8982.297497][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8982.297497][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8982.297497][ T10] ipv6_find_idev+0x102/0x170 [ 8982.297497][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8982.297497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8982.297497][ T10] netlink_rcv_skb+0x130/0x360 [ 8982.297497][ T10] netlink_unicast+0x449/0x710 [ 8982.297497][ T10] netlink_sendmsg+0x723/0xbe0 [ 8982.297497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8982.297497][ T10] ___sys_sendmsg+0xee/0x170 [ 8982.297497][ T10] __sys_sendmsg+0xcd/0x170 [ 8982.297497][ T10] do_syscall_64+0xc6/0x1e0 [ 8982.297497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8982.297497][ T10] [ 8982.299048][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8982.299048][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8982.299048][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8982.299048][ T10] ipv6_find_idev+0x102/0x170 [ 8982.299048][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8982.299048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8982.299048][ T10] netlink_rcv_skb+0x130/0x360 [ 8982.299048][ T10] netlink_unicast+0x449/0x710 [ 8982.299048][ T10] netlink_sendmsg+0x723/0xbe0 [ 8982.299048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8982.299048][ T10] ___sys_sendmsg+0xee/0x170 [ 8982.299048][ T10] __sys_sendmsg+0xcd/0x170 [ 8982.299048][ T10] do_syscall_64+0xc6/0x1e0 [ 8982.299048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8982.299048][ T10] [ 8982.300756][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8982.301004][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8982.301004][ T10] netdev_get_by_index+0x5e/0x80 [ 8982.301004][ T10] fib6_nh_init+0x3d8/0x1580 [ 8982.301004][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8982.301004][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8982.301004][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8982.301004][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8982.301004][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8982.301004][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8982.301004][ T10] addrconf_dad_begin+0x310/0x670 [ 8982.301004][ T10] addrconf_dad_work+0x10b/0xab0 [ 8982.301004][ T10] process_one_work+0x84d/0x18a0 [ 8982.301004][ T10] worker_thread+0x587/0xd30 [ 8982.301004][ T10] kthread+0x28a/0x350 [ 8982.301004][ T10] ret_from_fork+0x31/0x70 [ 8982.301004][ T10] ret_from_fork_asm+0x1a/0x30 [ 8982.301004][ T10] [ 8982.302929][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8982.302929][ T10] netdev_get_by_index+0x5e/0x80 [ 8982.302929][ T10] fib6_nh_init+0x3d8/0x1580 [ 8982.302929][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8982.302929][ T10] ip6_route_add+0x1c/0x140 [ 8982.302929][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8982.302929][ T10] inet6_addr_add+0x4f8/0xa40 [ 8982.302929][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8982.302929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8982.302929][ T10] netlink_rcv_skb+0x130/0x360 [ 8982.302929][ T10] netlink_unicast+0x449/0x710 [ 8982.302929][ T10] netlink_sendmsg+0x723/0xbe0 [ 8982.302929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8982.302929][ T10] ___sys_sendmsg+0xee/0x170 [ 8982.302929][ T10] __sys_sendmsg+0xcd/0x170 [ 8982.302929][ T10] do_syscall_64+0xc6/0x1e0 [ 8982.302929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8982.302929][ T10] [ 8982.304943][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8982.304943][ T10] netdev_get_by_index+0x5e/0x80 [ 8982.304943][ T10] fib6_nh_init+0x3d8/0x1580 [ 8982.304943][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8982.304943][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8982.304943][ T10] ipv6_add_addr+0x411/0x2000 [ 8982.304943][ T10] inet6_addr_add+0x30e/0xa40 [ 8982.304943][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8982.304943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8982.304943][ T10] netlink_rcv_skb+0x130/0x360 [ 8982.304943][ T10] netlink_unicast+0x449/0x710 [ 8982.304943][ T10] netlink_sendmsg+0x723/0xbe0 [ 8982.304943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8982.304943][ T10] ___sys_sendmsg+0xee/0x170 [ 8982.304943][ T10] __sys_sendmsg+0xcd/0x170 [ 8982.304943][ T10] do_syscall_64+0xc6/0x1e0 [ 8982.304943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8982.304943][ T10] [ 8982.306953][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8982.306953][ T10] netdev_get_by_index+0x5e/0x80 [ 8982.306953][ T10] fib6_nh_init+0x3d8/0x1580 [ 8982.306953][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8982.306953][ T10] ip6_route_add+0x1c/0x140 [ 8982.306953][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8982.306953][ T10] addrconf_add_dev+0xe2/0x170 [ 8982.306953][ T10] inet6_addr_add+0x12f/0xa40 [ 8982.306953][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8982.306953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8982.306953][ T10] netlink_rcv_skb+0x130/0x360 [ 8982.306953][ T10] netlink_unicast+0x449/0x710 [ 8982.306953][ T10] netlink_sendmsg+0x723/0xbe0 [ 8982.306953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8982.306953][ T10] ___sys_sendmsg+0xee/0x170 [ 8982.306953][ T10] __sys_sendmsg+0xcd/0x170 [ 8982.306953][ T10] do_syscall_64+0xc6/0x1e0 [ 8982.306953][ T10] [ 8982.309023][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8982.309023][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8982.309023][ T10] ipv6_find_idev+0x102/0x170 [ 8982.309023][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8982.309023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8982.309023][ T10] netlink_rcv_skb+0x130/0x360 [ 8982.309023][ T10] netlink_unicast+0x449/0x710 [ 8982.309023][ T10] netlink_sendmsg+0x723/0xbe0 [ 8982.309023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8982.309023][ T10] ___sys_sendmsg+0xee/0x170 [ 8982.309023][ T10] __sys_sendmsg+0xcd/0x170 [ 8982.309023][ T10] do_syscall_64+0xc6/0x1e0 [ 8982.309023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8982.309023][ T10] [ 8982.310568][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8982.310568][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8982.310568][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8982.310568][ T10] ipv6_find_idev+0x102/0x170 [ 8982.310568][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8982.310568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8982.310568][ T10] netlink_rcv_skb+0x130/0x360 [ 8982.310568][ T10] netlink_unicast+0x449/0x710 [ 8982.310568][ T10] netlink_sendmsg+0x723/0xbe0 [ 8982.310568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8982.310568][ T10] ___sys_sendmsg+0xee/0x170 [ 8982.310568][ T10] __sys_sendmsg+0xcd/0x170 [ 8982.310568][ T10] do_syscall_64+0xc6/0x1e0 [ 8982.310568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8982.310568][ T10] [ 8982.312256][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8982.312496][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8982.312496][ T10] netdev_get_by_index+0x5e/0x80 [ 8982.312496][ T10] fib6_nh_init+0x3d8/0x1580 [ 8982.312496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8982.312496][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8982.312496][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8982.312496][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8982.312496][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8982.312496][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8982.312496][ T10] addrconf_dad_begin+0x310/0x670 [ 8982.312496][ T10] addrconf_dad_work+0x10b/0xab0 [ 8982.312496][ T10] process_one_work+0x84d/0x18a0 [ 8982.312496][ T10] worker_thread+0x587/0xd30 [ 8982.312496][ T10] kthread+0x28a/0x350 [ 8982.312496][ T10] ret_from_fork+0x31/0x70 [ 8982.312496][ T10] ret_from_fork_asm+0x1a/0x30 [ 8982.312496][ T10] [ 8982.314411][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8982.314411][ T10] netdev_get_by_index+0x5e/0x80 [ 8982.314411][ T10] fib6_nh_init+0x3d8/0x1580 [ 8982.314411][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8982.314411][ T10] ip6_route_add+0x1c/0x140 [ 8982.314411][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8982.314411][ T10] inet6_addr_add+0x4f8/0xa40 [ 8982.314411][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8982.314411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8982.314411][ T10] netlink_rcv_skb+0x130/0x360 [ 8982.314411][ T10] netlink_unicast+0x449/0x710 [ 8982.314411][ T10] netlink_sendmsg+0x723/0xbe0 [ 8982.314411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8982.314411][ T10] ___sys_sendmsg+0xee/0x170 [ 8982.314411][ T10] __sys_sendmsg+0xcd/0x170 [ 8982.314411][ T10] do_syscall_64+0xc6/0x1e0 [ 8982.314411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8982.314411][ T10] [ 8982.316617][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8982.316617][ T10] netdev_get_by_index+0x5e/0x80 [ 8982.316617][ T10] fib6_nh_init+0x3d8/0x1580 [ 8982.316617][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8982.316617][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8982.316617][ T10] ipv6_add_addr+0x411/0x2000 [ 8982.316617][ T10] inet6_addr_add+0x30e/0xa40 [ 8982.316617][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8982.316617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8982.316617][ T10] netlink_rcv_skb+0x130/0x360 [ 8982.316617][ T10] netlink_unicast+0x449/0x710 [ 8982.316617][ T10] netlink_sendmsg+0x723/0xbe0 [ 8982.316617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8982.316617][ T10] ___sys_sendmsg+0xee/0x170 [ 8982.316617][ T10] __sys_sendmsg+0xcd/0x170 [ 8982.316617][ T10] do_syscall_64+0xc6/0x1e0 [ 8982.316617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8982.316617][ T10] [ 8982.318938][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8982.318938][ T10] netdev_get_by_index+0x5e/0x80 [ 8982.318938][ T10] fib6_nh_init+0x3d8/0x1580 [ 8982.318938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8982.318938][ T10] ip6_route_add+0x1c/0x140 [ 8982.318938][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8982.318938][ T10] addrconf_add_dev+0xe2/0x170 [ 8982.318938][ T10] inet6_addr_add+0x12f/0xa40 [ 8982.318938][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8982.318938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8982.318938][ T10] netlink_rcv_skb+0x130/0x360 [ 8982.318938][ T10] netlink_unicast+0x449/0x710 [ 8982.318938][ T10] netlink_sendmsg+0x723/0xbe0 [ 8982.318938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8982.318938][ T10] ___sys_sendmsg+0xee/0x170 [ 8982.318938][ T10] __sys_sendmsg+0xcd/0x170 [ 8982.318938][ T10] do_syscall_64+0xc6/0x1e0 [ 8982.318938][ T10] [ 8982.321087][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8982.321087][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8982.321087][ T10] ipv6_find_idev+0x102/0x170 [ 8982.321087][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8982.321087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8982.321087][ T10] netlink_rcv_skb+0x130/0x360 [ 8982.321087][ T10] netlink_unicast+0x449/0x710 [ 8982.321087][ T10] netlink_sendmsg+0x723/0xbe0 [ 8982.321087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8982.321087][ T10] ___sys_sendmsg+0xee/0x170 [ 8982.321087][ T10] __sys_sendmsg+0xcd/0x170 [ 8982.321087][ T10] do_syscall_64+0xc6/0x1e0 [ 8982.321087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8982.321087][ T10] [ 8982.322832][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8982.322832][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8982.322832][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8982.322832][ T10] ipv6_find_idev+0x102/0x170 [ 8982.322832][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8982.322832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8982.322832][ T10] netlink_rcv_skb+0x130/0x360 [ 8982.322832][ T10] netlink_unicast+0x449/0x710 [ 8982.322832][ T10] netlink_sendmsg+0x723/0xbe0 [ 8982.322832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8982.322832][ T10] ___sys_sendmsg+0xee/0x170 [ 8982.322832][ T10] __sys_sendmsg+0xcd/0x170 [ 8982.322832][ T10] do_syscall_64+0xc6/0x1e0 [ 8982.322832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8982.322832][ T10] [ 8982.324767][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8982.325014][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8982.325014][ T10] netdev_get_by_index+0x5e/0x80 [ 8982.325014][ T10] fib6_nh_init+0x3d8/0x1580 [ 8982.325014][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8982.325014][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8982.325014][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8982.325014][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8982.325014][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8982.325014][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8982.325014][ T10] addrconf_dad_begin+0x310/0x670 [ 8982.325014][ T10] addrconf_dad_work+0x10b/0xab0 [ 8982.325014][ T10] process_one_work+0x84d/0x18a0 [ 8982.325014][ T10] worker_thread+0x587/0xd30 [ 8982.325014][ T10] kthread+0x28a/0x350 [ 8982.325014][ T10] ret_from_fork+0x31/0x70 [ 8982.325014][ T10] ret_from_fork_asm+0x1a/0x30 [ 8982.325014][ T10] [ 8982.327254][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8982.327254][ T10] netdev_get_by_index+0x5e/0x80 [ 8982.327254][ T10] fib6_nh_init+0x3d8/0x1580 [ 8982.327254][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8982.327254][ T10] ip6_route_add+0x1c/0x140 [ 8982.327254][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8982.327254][ T10] inet6_addr_add+0x4f8/0xa40 [ 8982.327254][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8982.327254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8982.327254][ T10] netlink_rcv_skb+0x130/0x360 [ 8982.327254][ T10] netlink_unicast+0x449/0x710 [ 8982.327254][ T10] netlink_sendmsg+0x723/0xbe0 [ 8982.327254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8982.327254][ T10] ___sys_sendmsg+0xee/0x170 [ 8982.327254][ T10] __sys_sendmsg+0xcd/0x170 [ 8982.327254][ T10] do_syscall_64+0xc6/0x1e0 [ 8982.327254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8982.327254][ T10] [ 8982.329457][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8982.329457][ T10] netdev_get_by_index+0x5e/0x80 [ 8982.329457][ T10] fib6_nh_init+0x3d8/0x1580 [ 8982.329457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8982.329457][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8982.329457][ T10] ipv6_add_addr+0x411/0x2000 [ 8982.329457][ T10] inet6_addr_add+0x30e/0xa40 [ 8982.329457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8982.329457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8982.329457][ T10] netlink_rcv_skb+0x130/0x360 [ 8982.329457][ T10] netlink_unicast+0x449/0x710 [ 8982.329457][ T10] netlink_sendmsg+0x723/0xbe0 [ 8982.329457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8982.329457][ T10] ___sys_sendmsg+0xee/0x170 [ 8982.329457][ T10] __sys_sendmsg+0xcd/0x170 [ 8982.329457][ T10] do_syscall_64+0xc6/0x1e0 [ 8982.329457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8982.329457][ T10] [ 8982.331694][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8982.331694][ T10] netdev_get_by_index+0x5e/0x80 [ 8982.331694][ T10] fib6_nh_init+0x3d8/0x1580 [ 8982.331694][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8982.331694][ T10] ip6_route_add+0x1c/0x140 [ 8982.331694][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8982.331694][ T10] addrconf_add_dev+0xe2/0x170 [ 8982.331694][ T10] inet6_addr_add+0x12f/0xa40 [ 8982.331694][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8982.331694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8982.331694][ T10] netlink_rcv_skb+0x130/0x360 [ 8982.331694][ T10] netlink_unicast+0x449/0x710 [ 8982.331694][ T10] netlink_sendmsg+0x723/0xbe0 [ 8982.331694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8982.331694][ T10] ___sys_sendmsg+0xee/0x170 [ 8982.331694][ T10] __sys_sendmsg+0xcd/0x170 [ 8982.331694][ T10] do_syscall_64+0xc6/0x1e0 [ 8982.331694][ T10] [ 8982.333904][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8982.333904][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8982.333904][ T10] ipv6_find_idev+0x102/0x170 [ 8982.333904][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8982.333904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8982.333904][ T10] netlink_rcv_skb+0x130/0x360 [ 8982.333904][ T10] netlink_unicast+0x449/0x710 [ 8982.333904][ T10] netlink_sendmsg+0x723/0xbe0 [ 8982.333904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8982.333904][ T10] ___sys_sendmsg+0xee/0x170 [ 8982.333904][ T10] __sys_sendmsg+0xcd/0x170 [ 8982.333904][ T10] do_syscall_64+0xc6/0x1e0 [ 8982.333904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8982.333904][ T10] [ 8982.335629][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8982.335629][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8982.335629][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8982.335629][ T10] ipv6_find_idev+0x102/0x170 [ 8982.335629][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8982.335629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8982.335629][ T10] netlink_rcv_skb+0x130/0x360 [ 8982.335629][ T10] netlink_unicast+0x449/0x710 [ 8982.335629][ T10] netlink_sendmsg+0x723/0xbe0 [ 8982.335629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8982.335629][ T10] ___sys_sendmsg+0xee/0x170 [ 8982.335629][ T10] __sys_sendmsg+0xcd/0x170 [ 8982.335629][ T10] do_syscall_64+0xc6/0x1e0 [ 8982.335629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8982.335629][ T10] [ 8989.401132][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8989.401605][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8989.401605][ T1167] dst_init+0x84/0x4a0 [ 8989.401605][ T1167] dst_alloc+0x97/0x150 [ 8989.401605][ T1167] ip6_dst_alloc+0x23/0x90 [ 8989.401605][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8989.401605][ T1167] ip6_pol_route+0x56f/0x840 [ 8989.401605][ T1167] fib6_rule_lookup+0x334/0x630 [ 8989.401605][ T1167] ip6_route_output_flags+0x259/0x480 [ 8989.401605][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8989.401605][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8989.401605][ T1167] netlink_rcv_skb+0x130/0x360 [ 8989.401605][ T1167] netlink_unicast+0x449/0x710 [ 8989.401605][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8989.401605][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8989.401605][ T1167] ___sys_sendmsg+0xee/0x170 [ 8989.401605][ T1167] __sys_sendmsg+0xcd/0x170 [ 8989.401605][ T1167] do_syscall_64+0xc6/0x1e0 [ 8989.401605][ T1167] [ 8989.403807][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8989.403807][ T1167] netdev_get_by_index+0x5e/0x80 [ 8989.403807][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8989.403807][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8989.403807][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8989.403807][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8989.403807][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8989.403807][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8989.403807][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8989.403807][ T1167] addrconf_dad_begin+0x310/0x670 [ 8989.403807][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8989.403807][ T1167] process_one_work+0x84d/0x18a0 [ 8989.403807][ T1167] worker_thread+0x587/0xd30 [ 8989.403807][ T1167] kthread+0x28a/0x350 [ 8989.403807][ T1167] ret_from_fork+0x31/0x70 [ 8989.403807][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8989.403807][ T1167] [ 8989.405949][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8989.405949][ T1167] netdev_get_by_index+0x5e/0x80 [ 8989.405949][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8989.405949][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8989.405949][ T1167] ip6_route_add+0x1c/0x140 [ 8989.405949][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8989.405949][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8989.405949][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8989.405949][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8989.405949][ T1167] netlink_rcv_skb+0x130/0x360 [ 8989.405949][ T1167] netlink_unicast+0x449/0x710 [ 8989.405949][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8989.405949][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8989.405949][ T1167] ___sys_sendmsg+0xee/0x170 [ 8989.405949][ T1167] __sys_sendmsg+0xcd/0x170 [ 8989.405949][ T1167] do_syscall_64+0xc6/0x1e0 [ 8989.405949][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8989.405949][ T1167] [ 8989.408197][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8989.408197][ T1167] netdev_get_by_index+0x5e/0x80 [ 8989.408197][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8989.408197][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8989.408197][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8989.408197][ T1167] ipv6_add_addr+0x411/0x2000 [ 8989.408197][ T1167] inet6_addr_add+0x30e/0xa40 [ 8989.408197][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8989.408197][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8989.408197][ T1167] netlink_rcv_skb+0x130/0x360 [ 8989.408197][ T1167] netlink_unicast+0x449/0x710 [ 8989.408197][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8989.408197][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8989.408197][ T1167] ___sys_sendmsg+0xee/0x170 [ 8989.408197][ T1167] __sys_sendmsg+0xcd/0x170 [ 8989.408197][ T1167] do_syscall_64+0xc6/0x1e0 [ 8989.408197][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8989.408197][ T1167] [ 8989.410425][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8989.410425][ T1167] netdev_get_by_index+0x5e/0x80 [ 8989.410425][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8989.410425][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8989.410425][ T1167] ip6_route_add+0x1c/0x140 [ 8989.410425][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8989.410425][ T1167] addrconf_add_dev+0xe2/0x170 [ 8989.410425][ T1167] inet6_addr_add+0x12f/0xa40 [ 8989.410425][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8989.410425][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8989.410425][ T1167] netlink_rcv_skb+0x130/0x360 [ 8989.410425][ T1167] netlink_unicast+0x449/0x710 [ 8989.410425][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8989.410425][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8989.410425][ T1167] ___sys_sendmsg+0xee/0x170 [ 8989.410425][ T1167] __sys_sendmsg+0xcd/0x170 [ 8989.410425][ T1167] do_syscall_64+0xc6/0x1e0 [ 8989.410425][ T1167] [ 8989.412625][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8989.412625][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8989.412625][ T1167] ipv6_find_idev+0x102/0x170 [ 8989.412625][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8989.412625][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8989.412625][ T1167] netlink_rcv_skb+0x130/0x360 [ 8989.412625][ T1167] netlink_unicast+0x449/0x710 [ 8989.412625][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8989.412625][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8989.412625][ T1167] ___sys_sendmsg+0xee/0x170 [ 8989.412625][ T1167] __sys_sendmsg+0xcd/0x170 [ 8989.412625][ T1167] do_syscall_64+0xc6/0x1e0 [ 8989.412625][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8989.412625][ T1167] [ 8989.414345][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8989.414345][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8989.414345][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8989.414345][ T1167] ipv6_find_idev+0x102/0x170 [ 8989.414345][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8989.414345][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8989.414345][ T1167] netlink_rcv_skb+0x130/0x360 [ 8989.414345][ T1167] netlink_unicast+0x449/0x710 [ 8989.414345][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8989.414345][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8989.414345][ T1167] ___sys_sendmsg+0xee/0x170 [ 8989.414345][ T1167] __sys_sendmsg+0xcd/0x170 [ 8989.414345][ T1167] do_syscall_64+0xc6/0x1e0 [ 8989.414345][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8989.414345][ T1167] [ 8992.577113][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 8992.577506][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8992.577506][ T10] netdev_get_by_index+0x5e/0x80 [ 8992.577506][ T10] fib6_nh_init+0x3d8/0x1580 [ 8992.577506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8992.577506][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8992.577506][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8992.577506][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8992.577506][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8992.577506][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8992.577506][ T10] addrconf_dad_begin+0x310/0x670 [ 8992.577506][ T10] addrconf_dad_work+0x10b/0xab0 [ 8992.577506][ T10] process_one_work+0x84d/0x18a0 [ 8992.577506][ T10] worker_thread+0x587/0xd30 [ 8992.577506][ T10] kthread+0x28a/0x350 [ 8992.577506][ T10] ret_from_fork+0x31/0x70 [ 8992.577506][ T10] ret_from_fork_asm+0x1a/0x30 [ 8992.577506][ T10] [ 8992.579560][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8992.579560][ T10] netdev_get_by_index+0x5e/0x80 [ 8992.579560][ T10] fib6_nh_init+0x3d8/0x1580 [ 8992.579560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8992.579560][ T10] ip6_route_add+0x1c/0x140 [ 8992.579560][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8992.579560][ T10] inet6_addr_add+0x4f8/0xa40 [ 8992.579560][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8992.579560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8992.579560][ T10] netlink_rcv_skb+0x130/0x360 [ 8992.579560][ T10] netlink_unicast+0x449/0x710 [ 8992.579560][ T10] netlink_sendmsg+0x723/0xbe0 [ 8992.579560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8992.579560][ T10] ___sys_sendmsg+0xee/0x170 [ 8992.579560][ T10] __sys_sendmsg+0xcd/0x170 [ 8992.579560][ T10] do_syscall_64+0xc6/0x1e0 [ 8992.579560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8992.579560][ T10] [ 8992.581708][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8992.581708][ T10] netdev_get_by_index+0x5e/0x80 [ 8992.581708][ T10] fib6_nh_init+0x3d8/0x1580 [ 8992.581708][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8992.581708][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8992.581708][ T10] ipv6_add_addr+0x411/0x2000 [ 8992.581708][ T10] inet6_addr_add+0x30e/0xa40 [ 8992.581708][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8992.581708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8992.581708][ T10] netlink_rcv_skb+0x130/0x360 [ 8992.581708][ T10] netlink_unicast+0x449/0x710 [ 8992.581708][ T10] netlink_sendmsg+0x723/0xbe0 [ 8992.581708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8992.581708][ T10] ___sys_sendmsg+0xee/0x170 [ 8992.581708][ T10] __sys_sendmsg+0xcd/0x170 [ 8992.581708][ T10] do_syscall_64+0xc6/0x1e0 [ 8992.581708][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8992.581708][ T10] [ 8992.583832][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8992.583832][ T10] netdev_get_by_index+0x5e/0x80 [ 8992.583832][ T10] fib6_nh_init+0x3d8/0x1580 [ 8992.583832][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8992.583832][ T10] ip6_route_add+0x1c/0x140 [ 8992.583832][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8992.583832][ T10] addrconf_add_dev+0xe2/0x170 [ 8992.583832][ T10] inet6_addr_add+0x12f/0xa40 [ 8992.583832][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8992.583832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8992.583832][ T10] netlink_rcv_skb+0x130/0x360 [ 8992.583832][ T10] netlink_unicast+0x449/0x710 [ 8992.583832][ T10] netlink_sendmsg+0x723/0xbe0 [ 8992.583832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8992.583832][ T10] ___sys_sendmsg+0xee/0x170 [ 8992.583832][ T10] __sys_sendmsg+0xcd/0x170 [ 8992.583832][ T10] do_syscall_64+0xc6/0x1e0 [ 8992.583832][ T10] [ 8992.585940][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8992.585940][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8992.585940][ T10] ipv6_find_idev+0x102/0x170 [ 8992.585940][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8992.585940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8992.585940][ T10] netlink_rcv_skb+0x130/0x360 [ 8992.585940][ T10] netlink_unicast+0x449/0x710 [ 8992.585940][ T10] netlink_sendmsg+0x723/0xbe0 [ 8992.585940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8992.585940][ T10] ___sys_sendmsg+0xee/0x170 [ 8992.585940][ T10] __sys_sendmsg+0xcd/0x170 [ 8992.585940][ T10] do_syscall_64+0xc6/0x1e0 [ 8992.585940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8992.585940][ T10] [ 8992.587580][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 8992.587580][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8992.587580][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8992.587580][ T10] ipv6_find_idev+0x102/0x170 [ 8992.587580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8992.587580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8992.587580][ T10] netlink_rcv_skb+0x130/0x360 [ 8992.587580][ T10] netlink_unicast+0x449/0x710 [ 8992.587580][ T10] netlink_sendmsg+0x723/0xbe0 [ 8992.587580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8992.587580][ T10] ___sys_sendmsg+0xee/0x170 [ 8992.587580][ T10] __sys_sendmsg+0xcd/0x170 [ 8992.587580][ T10] do_syscall_64+0xc6/0x1e0 [ 8992.587580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8992.587580][ T10] [ 8992.589392][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 8992.589648][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8992.589648][ T10] netdev_get_by_index+0x5e/0x80 [ 8992.589648][ T10] fib6_nh_init+0x3d8/0x1580 [ 8992.589648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8992.589648][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8992.589648][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8992.589648][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8992.589648][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8992.589648][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8992.589648][ T10] addrconf_dad_begin+0x310/0x670 [ 8992.589648][ T10] addrconf_dad_work+0x10b/0xab0 [ 8992.589648][ T10] process_one_work+0x84d/0x18a0 [ 8992.589648][ T10] worker_thread+0x587/0xd30 [ 8992.589648][ T10] kthread+0x28a/0x350 [ 8992.589648][ T10] ret_from_fork+0x31/0x70 [ 8992.589648][ T10] ret_from_fork_asm+0x1a/0x30 [ 8992.589648][ T10] [ 8992.591689][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8992.591689][ T10] netdev_get_by_index+0x5e/0x80 [ 8992.591689][ T10] fib6_nh_init+0x3d8/0x1580 [ 8992.591689][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8992.591689][ T10] ip6_route_add+0x1c/0x140 [ 8992.591689][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8992.591689][ T10] inet6_addr_add+0x4f8/0xa40 [ 8992.591689][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8992.591689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8992.591689][ T10] netlink_rcv_skb+0x130/0x360 [ 8992.591689][ T10] netlink_unicast+0x449/0x710 [ 8992.591689][ T10] netlink_sendmsg+0x723/0xbe0 [ 8992.591689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8992.591689][ T10] ___sys_sendmsg+0xee/0x170 [ 8992.591689][ T10] __sys_sendmsg+0xcd/0x170 [ 8992.591689][ T10] do_syscall_64+0xc6/0x1e0 [ 8992.591689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8992.591689][ T10] [ 8992.593854][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8992.593854][ T10] netdev_get_by_index+0x5e/0x80 [ 8992.593854][ T10] fib6_nh_init+0x3d8/0x1580 [ 8992.593854][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8992.593854][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8992.593854][ T10] ipv6_add_addr+0x411/0x2000 [ 8992.593854][ T10] inet6_addr_add+0x30e/0xa40 [ 8992.593854][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8992.593854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8992.593854][ T10] netlink_rcv_skb+0x130/0x360 [ 8992.593854][ T10] netlink_unicast+0x449/0x710 [ 8992.593854][ T10] netlink_sendmsg+0x723/0xbe0 [ 8992.593854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8992.593854][ T10] ___sys_sendmsg+0xee/0x170 [ 8992.593854][ T10] __sys_sendmsg+0xcd/0x170 [ 8992.593854][ T10] do_syscall_64+0xc6/0x1e0 [ 8992.593854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8992.593854][ T10] [ 8992.595998][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8992.595998][ T10] netdev_get_by_index+0x5e/0x80 [ 8992.595998][ T10] fib6_nh_init+0x3d8/0x1580 [ 8992.595998][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8992.595998][ T10] ip6_route_add+0x1c/0x140 [ 8992.595998][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8992.595998][ T10] addrconf_add_dev+0xe2/0x170 [ 8992.595998][ T10] inet6_addr_add+0x12f/0xa40 [ 8992.595998][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8992.595998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8992.595998][ T10] netlink_rcv_skb+0x130/0x360 [ 8992.595998][ T10] netlink_unicast+0x449/0x710 [ 8992.595998][ T10] netlink_sendmsg+0x723/0xbe0 [ 8992.595998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8992.595998][ T10] ___sys_sendmsg+0xee/0x170 [ 8992.595998][ T10] __sys_sendmsg+0xcd/0x170 [ 8992.595998][ T10] do_syscall_64+0xc6/0x1e0 [ 8992.595998][ T10] [ 8992.598080][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8992.598080][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8992.598080][ T10] ipv6_find_idev+0x102/0x170 [ 8992.598080][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8992.598080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8992.598080][ T10] netlink_rcv_skb+0x130/0x360 [ 8992.598080][ T10] netlink_unicast+0x449/0x710 [ 8992.598080][ T10] netlink_sendmsg+0x723/0xbe0 [ 8992.598080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8992.598080][ T10] ___sys_sendmsg+0xee/0x170 [ 8992.598080][ T10] __sys_sendmsg+0xcd/0x170 [ 8992.598080][ T10] do_syscall_64+0xc6/0x1e0 [ 8992.598080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8992.598080][ T10] [ 8992.599713][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 8992.599713][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8992.599713][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8992.599713][ T10] ipv6_find_idev+0x102/0x170 [ 8992.599713][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8992.599713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8992.599713][ T10] netlink_rcv_skb+0x130/0x360 [ 8992.599713][ T10] netlink_unicast+0x449/0x710 [ 8992.599713][ T10] netlink_sendmsg+0x723/0xbe0 [ 8992.599713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8992.599713][ T10] ___sys_sendmsg+0xee/0x170 [ 8992.599713][ T10] __sys_sendmsg+0xcd/0x170 [ 8992.599713][ T10] do_syscall_64+0xc6/0x1e0 [ 8992.599713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8992.599713][ T10] [ 8992.601504][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8992.601760][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8992.601760][ T10] netdev_get_by_index+0x5e/0x80 [ 8992.601760][ T10] fib6_nh_init+0x3d8/0x1580 [ 8992.601760][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8992.601760][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8992.601760][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8992.601760][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8992.601760][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8992.601760][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8992.601760][ T10] addrconf_dad_begin+0x310/0x670 [ 8992.601760][ T10] addrconf_dad_work+0x10b/0xab0 [ 8992.601760][ T10] process_one_work+0x84d/0x18a0 [ 8992.601760][ T10] worker_thread+0x587/0xd30 [ 8992.601760][ T10] kthread+0x28a/0x350 [ 8992.601760][ T10] ret_from_fork+0x31/0x70 [ 8992.601760][ T10] ret_from_fork_asm+0x1a/0x30 [ 8992.601760][ T10] [ 8992.603792][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8992.603792][ T10] netdev_get_by_index+0x5e/0x80 [ 8992.603792][ T10] fib6_nh_init+0x3d8/0x1580 [ 8992.603792][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8992.603792][ T10] ip6_route_add+0x1c/0x140 [ 8992.603792][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8992.603792][ T10] inet6_addr_add+0x4f8/0xa40 [ 8992.603792][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8992.603792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8992.603792][ T10] netlink_rcv_skb+0x130/0x360 [ 8992.603792][ T10] netlink_unicast+0x449/0x710 [ 8992.603792][ T10] netlink_sendmsg+0x723/0xbe0 [ 8992.603792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8992.603792][ T10] ___sys_sendmsg+0xee/0x170 [ 8992.603792][ T10] __sys_sendmsg+0xcd/0x170 [ 8992.603792][ T10] do_syscall_64+0xc6/0x1e0 [ 8992.603792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8992.603792][ T10] [ 8992.606094][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8992.606094][ T10] netdev_get_by_index+0x5e/0x80 [ 8992.606094][ T10] fib6_nh_init+0x3d8/0x1580 [ 8992.606094][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8992.606094][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8992.606094][ T10] ipv6_add_addr+0x411/0x2000 [ 8992.606094][ T10] inet6_addr_add+0x30e/0xa40 [ 8992.606094][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8992.606094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8992.606094][ T10] netlink_rcv_skb+0x130/0x360 [ 8992.606094][ T10] netlink_unicast+0x449/0x710 [ 8992.606094][ T10] netlink_sendmsg+0x723/0xbe0 [ 8992.606094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8992.606094][ T10] ___sys_sendmsg+0xee/0x170 [ 8992.606094][ T10] __sys_sendmsg+0xcd/0x170 [ 8992.606094][ T10] do_syscall_64+0xc6/0x1e0 [ 8992.606094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8992.606094][ T10] [ 8992.608515][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8992.608515][ T10] netdev_get_by_index+0x5e/0x80 [ 8992.608515][ T10] fib6_nh_init+0x3d8/0x1580 [ 8992.608515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8992.608515][ T10] ip6_route_add+0x1c/0x140 [ 8992.608515][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8992.608515][ T10] addrconf_add_dev+0xe2/0x170 [ 8992.608515][ T10] inet6_addr_add+0x12f/0xa40 [ 8992.608515][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8992.608515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8992.608515][ T10] netlink_rcv_skb+0x130/0x360 [ 8992.608515][ T10] netlink_unicast+0x449/0x710 [ 8992.608515][ T10] netlink_sendmsg+0x723/0xbe0 [ 8992.608515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8992.608515][ T10] ___sys_sendmsg+0xee/0x170 [ 8992.608515][ T10] __sys_sendmsg+0xcd/0x170 [ 8992.608515][ T10] do_syscall_64+0xc6/0x1e0 [ 8992.608515][ T10] [ 8992.610764][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8992.610764][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8992.610764][ T10] ipv6_find_idev+0x102/0x170 [ 8992.610764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8992.610764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8992.610764][ T10] netlink_rcv_skb+0x130/0x360 [ 8992.610764][ T10] netlink_unicast+0x449/0x710 [ 8992.610764][ T10] netlink_sendmsg+0x723/0xbe0 [ 8992.610764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8992.610764][ T10] ___sys_sendmsg+0xee/0x170 [ 8992.610764][ T10] __sys_sendmsg+0xcd/0x170 [ 8992.610764][ T10] do_syscall_64+0xc6/0x1e0 [ 8992.610764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8992.610764][ T10] [ 8992.612576][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 8992.612576][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8992.612576][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8992.612576][ T10] ipv6_find_idev+0x102/0x170 [ 8992.612576][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8992.612576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8992.612576][ T10] netlink_rcv_skb+0x130/0x360 [ 8992.612576][ T10] netlink_unicast+0x449/0x710 [ 8992.612576][ T10] netlink_sendmsg+0x723/0xbe0 [ 8992.612576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8992.612576][ T10] ___sys_sendmsg+0xee/0x170 [ 8992.612576][ T10] __sys_sendmsg+0xcd/0x170 [ 8992.612576][ T10] do_syscall_64+0xc6/0x1e0 [ 8992.612576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8992.612576][ T10] [ 8992.614594][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 8992.614845][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8992.614845][ T10] netdev_get_by_index+0x5e/0x80 [ 8992.614845][ T10] fib6_nh_init+0x3d8/0x1580 [ 8992.614845][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8992.614845][ T10] addrconf_f6i_alloc+0x265/0x560 [ 8992.614845][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8992.614845][ T10] addrconf_join_anycast+0x1c0/0x220 [ 8992.614845][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8992.614845][ T10] addrconf_dad_completed+0x12b/0xe20 [ 8992.614845][ T10] addrconf_dad_begin+0x310/0x670 [ 8992.614845][ T10] addrconf_dad_work+0x10b/0xab0 [ 8992.614845][ T10] process_one_work+0x84d/0x18a0 [ 8992.614845][ T10] worker_thread+0x587/0xd30 [ 8992.614845][ T10] kthread+0x28a/0x350 [ 8992.614845][ T10] ret_from_fork+0x31/0x70 [ 8992.614845][ T10] ret_from_fork_asm+0x1a/0x30 [ 8992.614845][ T10] [ 8992.617188][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8992.617188][ T10] netdev_get_by_index+0x5e/0x80 [ 8992.617188][ T10] fib6_nh_init+0x3d8/0x1580 [ 8992.617188][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8992.617188][ T10] ip6_route_add+0x1c/0x140 [ 8992.617188][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8992.617188][ T10] inet6_addr_add+0x4f8/0xa40 [ 8992.617188][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8992.617188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8992.617188][ T10] netlink_rcv_skb+0x130/0x360 [ 8992.617188][ T10] netlink_unicast+0x449/0x710 [ 8992.617188][ T10] netlink_sendmsg+0x723/0xbe0 [ 8992.617188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8992.617188][ T10] ___sys_sendmsg+0xee/0x170 [ 8992.617188][ T10] __sys_sendmsg+0xcd/0x170 [ 8992.617188][ T10] do_syscall_64+0xc6/0x1e0 [ 8992.617188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8992.617188][ T10] [ 8992.619409][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8992.619409][ T10] netdev_get_by_index+0x5e/0x80 [ 8992.619409][ T10] fib6_nh_init+0x3d8/0x1580 [ 8992.619409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8992.619409][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8992.619409][ T10] ipv6_add_addr+0x411/0x2000 [ 8992.619409][ T10] inet6_addr_add+0x30e/0xa40 [ 8992.619409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8992.619409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8992.619409][ T10] netlink_rcv_skb+0x130/0x360 [ 8992.619409][ T10] netlink_unicast+0x449/0x710 [ 8992.619409][ T10] netlink_sendmsg+0x723/0xbe0 [ 8992.619409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8992.619409][ T10] ___sys_sendmsg+0xee/0x170 [ 8992.619409][ T10] __sys_sendmsg+0xcd/0x170 [ 8992.619409][ T10] do_syscall_64+0xc6/0x1e0 [ 8992.619409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8992.619409][ T10] [ 8992.621648][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8992.621648][ T10] netdev_get_by_index+0x5e/0x80 [ 8992.621648][ T10] fib6_nh_init+0x3d8/0x1580 [ 8992.621648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8992.621648][ T10] ip6_route_add+0x1c/0x140 [ 8992.621648][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8992.621648][ T10] addrconf_add_dev+0xe2/0x170 [ 8992.621648][ T10] inet6_addr_add+0x12f/0xa40 [ 8992.621648][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8992.621648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8992.621648][ T10] netlink_rcv_skb+0x130/0x360 [ 8992.621648][ T10] netlink_unicast+0x449/0x710 [ 8992.621648][ T10] netlink_sendmsg+0x723/0xbe0 [ 8992.621648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8992.621648][ T10] ___sys_sendmsg+0xee/0x170 [ 8992.621648][ T10] __sys_sendmsg+0xcd/0x170 [ 8992.621648][ T10] do_syscall_64+0xc6/0x1e0 [ 8992.621648][ T10] [ 8992.623869][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8992.623869][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8992.623869][ T10] ipv6_find_idev+0x102/0x170 [ 8992.623869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8992.623869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8992.623869][ T10] netlink_rcv_skb+0x130/0x360 [ 8992.623869][ T10] netlink_unicast+0x449/0x710 [ 8992.623869][ T10] netlink_sendmsg+0x723/0xbe0 [ 8992.623869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8992.623869][ T10] ___sys_sendmsg+0xee/0x170 [ 8992.623869][ T10] __sys_sendmsg+0xcd/0x170 [ 8992.623869][ T10] do_syscall_64+0xc6/0x1e0 [ 8992.623869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8992.623869][ T10] [ 8992.625596][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 8992.625596][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8992.625596][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8992.625596][ T10] ipv6_find_idev+0x102/0x170 [ 8992.625596][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8992.625596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8992.625596][ T10] netlink_rcv_skb+0x130/0x360 [ 8992.625596][ T10] netlink_unicast+0x449/0x710 [ 8992.625596][ T10] netlink_sendmsg+0x723/0xbe0 [ 8992.625596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8992.625596][ T10] ___sys_sendmsg+0xee/0x170 [ 8992.625596][ T10] __sys_sendmsg+0xcd/0x170 [ 8992.625596][ T10] do_syscall_64+0xc6/0x1e0 [ 8992.625596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8992.625596][ T10] [ 8999.657034][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 8999.657514][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8999.657514][ T1167] dst_init+0x84/0x4a0 [ 8999.657514][ T1167] dst_alloc+0x97/0x150 [ 8999.657514][ T1167] ip6_dst_alloc+0x23/0x90 [ 8999.657514][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8999.657514][ T1167] ip6_pol_route+0x56f/0x840 [ 8999.657514][ T1167] fib6_rule_lookup+0x334/0x630 [ 8999.657514][ T1167] ip6_route_output_flags+0x259/0x480 [ 8999.657514][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 8999.657514][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 8999.657514][ T1167] netlink_rcv_skb+0x130/0x360 [ 8999.657514][ T1167] netlink_unicast+0x449/0x710 [ 8999.657514][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8999.657514][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8999.657514][ T1167] ___sys_sendmsg+0xee/0x170 [ 8999.657514][ T1167] __sys_sendmsg+0xcd/0x170 [ 8999.657514][ T1167] do_syscall_64+0xc6/0x1e0 [ 8999.657514][ T1167] [ 8999.659733][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8999.659733][ T1167] netdev_get_by_index+0x5e/0x80 [ 8999.659733][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8999.659733][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8999.659733][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 8999.659733][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 8999.659733][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 8999.659733][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 8999.659733][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 8999.659733][ T1167] addrconf_dad_begin+0x310/0x670 [ 8999.659733][ T1167] addrconf_dad_work+0x10b/0xab0 [ 8999.659733][ T1167] process_one_work+0x84d/0x18a0 [ 8999.659733][ T1167] worker_thread+0x587/0xd30 [ 8999.659733][ T1167] kthread+0x28a/0x350 [ 8999.659733][ T1167] ret_from_fork+0x31/0x70 [ 8999.659733][ T1167] ret_from_fork_asm+0x1a/0x30 [ 8999.659733][ T1167] [ 8999.661882][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8999.661882][ T1167] netdev_get_by_index+0x5e/0x80 [ 8999.661882][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8999.661882][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8999.661882][ T1167] ip6_route_add+0x1c/0x140 [ 8999.661882][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 8999.661882][ T1167] inet6_addr_add+0x4f8/0xa40 [ 8999.661882][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8999.661882][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8999.661882][ T1167] netlink_rcv_skb+0x130/0x360 [ 8999.661882][ T1167] netlink_unicast+0x449/0x710 [ 8999.661882][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8999.661882][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8999.661882][ T1167] ___sys_sendmsg+0xee/0x170 [ 8999.661882][ T1167] __sys_sendmsg+0xcd/0x170 [ 8999.661882][ T1167] do_syscall_64+0xc6/0x1e0 [ 8999.661882][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8999.661882][ T1167] [ 8999.664121][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8999.664121][ T1167] netdev_get_by_index+0x5e/0x80 [ 8999.664121][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8999.664121][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8999.664121][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 8999.664121][ T1167] ipv6_add_addr+0x411/0x2000 [ 8999.664121][ T1167] inet6_addr_add+0x30e/0xa40 [ 8999.664121][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8999.664121][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8999.664121][ T1167] netlink_rcv_skb+0x130/0x360 [ 8999.664121][ T1167] netlink_unicast+0x449/0x710 [ 8999.664121][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8999.664121][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8999.664121][ T1167] ___sys_sendmsg+0xee/0x170 [ 8999.664121][ T1167] __sys_sendmsg+0xcd/0x170 [ 8999.664121][ T1167] do_syscall_64+0xc6/0x1e0 [ 8999.664121][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8999.664121][ T1167] [ 8999.666387][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8999.666387][ T1167] netdev_get_by_index+0x5e/0x80 [ 8999.666387][ T1167] fib6_nh_init+0x3d8/0x1580 [ 8999.666387][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 8999.666387][ T1167] ip6_route_add+0x1c/0x140 [ 8999.666387][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 8999.666387][ T1167] addrconf_add_dev+0xe2/0x170 [ 8999.666387][ T1167] inet6_addr_add+0x12f/0xa40 [ 8999.666387][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 8999.666387][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8999.666387][ T1167] netlink_rcv_skb+0x130/0x360 [ 8999.666387][ T1167] netlink_unicast+0x449/0x710 [ 8999.666387][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8999.666387][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8999.666387][ T1167] ___sys_sendmsg+0xee/0x170 [ 8999.666387][ T1167] __sys_sendmsg+0xcd/0x170 [ 8999.666387][ T1167] do_syscall_64+0xc6/0x1e0 [ 8999.666387][ T1167] [ 8999.668596][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8999.668596][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 8999.668596][ T1167] ipv6_find_idev+0x102/0x170 [ 8999.668596][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8999.668596][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8999.668596][ T1167] netlink_rcv_skb+0x130/0x360 [ 8999.668596][ T1167] netlink_unicast+0x449/0x710 [ 8999.668596][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8999.668596][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8999.668596][ T1167] ___sys_sendmsg+0xee/0x170 [ 8999.668596][ T1167] __sys_sendmsg+0xcd/0x170 [ 8999.668596][ T1167] do_syscall_64+0xc6/0x1e0 [ 8999.668596][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8999.668596][ T1167] [ 8999.670323][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 8999.670323][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 8999.670323][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 8999.670323][ T1167] ipv6_find_idev+0x102/0x170 [ 8999.670323][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8999.670323][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8999.670323][ T1167] netlink_rcv_skb+0x130/0x360 [ 8999.670323][ T1167] netlink_unicast+0x449/0x710 [ 8999.670323][ T1167] netlink_sendmsg+0x723/0xbe0 [ 8999.670323][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 8999.670323][ T1167] ___sys_sendmsg+0xee/0x170 [ 8999.670323][ T1167] __sys_sendmsg+0xcd/0x170 [ 8999.670323][ T1167] do_syscall_64+0xc6/0x1e0 [ 8999.670323][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8999.670323][ T1167] [ 9002.865103][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9002.865453][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9002.865453][ T10] netdev_get_by_index+0x5e/0x80 [ 9002.865453][ T10] fib6_nh_init+0x3d8/0x1580 [ 9002.865453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9002.865453][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9002.865453][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9002.865453][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9002.865453][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9002.865453][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9002.865453][ T10] addrconf_dad_begin+0x310/0x670 [ 9002.865453][ T10] addrconf_dad_work+0x10b/0xab0 [ 9002.865453][ T10] process_one_work+0x84d/0x18a0 [ 9002.865453][ T10] worker_thread+0x587/0xd30 [ 9002.865453][ T10] kthread+0x28a/0x350 [ 9002.865453][ T10] ret_from_fork+0x31/0x70 [ 9002.865453][ T10] ret_from_fork_asm+0x1a/0x30 [ 9002.865453][ T10] [ 9002.867501][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9002.867501][ T10] netdev_get_by_index+0x5e/0x80 [ 9002.867501][ T10] fib6_nh_init+0x3d8/0x1580 [ 9002.867501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9002.867501][ T10] ip6_route_add+0x1c/0x140 [ 9002.867501][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9002.867501][ T10] inet6_addr_add+0x4f8/0xa40 [ 9002.867501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9002.867501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9002.867501][ T10] netlink_rcv_skb+0x130/0x360 [ 9002.867501][ T10] netlink_unicast+0x449/0x710 [ 9002.867501][ T10] netlink_sendmsg+0x723/0xbe0 [ 9002.867501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9002.867501][ T10] ___sys_sendmsg+0xee/0x170 [ 9002.867501][ T10] __sys_sendmsg+0xcd/0x170 [ 9002.867501][ T10] do_syscall_64+0xc6/0x1e0 [ 9002.867501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9002.867501][ T10] [ 9002.869523][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9002.869523][ T10] netdev_get_by_index+0x5e/0x80 [ 9002.869523][ T10] fib6_nh_init+0x3d8/0x1580 [ 9002.869523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9002.869523][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9002.869523][ T10] ipv6_add_addr+0x411/0x2000 [ 9002.869523][ T10] inet6_addr_add+0x30e/0xa40 [ 9002.869523][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9002.869523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9002.869523][ T10] netlink_rcv_skb+0x130/0x360 [ 9002.869523][ T10] netlink_unicast+0x449/0x710 [ 9002.869523][ T10] netlink_sendmsg+0x723/0xbe0 [ 9002.869523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9002.869523][ T10] ___sys_sendmsg+0xee/0x170 [ 9002.869523][ T10] __sys_sendmsg+0xcd/0x170 [ 9002.869523][ T10] do_syscall_64+0xc6/0x1e0 [ 9002.869523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9002.869523][ T10] [ 9002.871536][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9002.871536][ T10] netdev_get_by_index+0x5e/0x80 [ 9002.871536][ T10] fib6_nh_init+0x3d8/0x1580 [ 9002.871536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9002.871536][ T10] ip6_route_add+0x1c/0x140 [ 9002.871536][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9002.871536][ T10] addrconf_add_dev+0xe2/0x170 [ 9002.871536][ T10] inet6_addr_add+0x12f/0xa40 [ 9002.871536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9002.871536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9002.871536][ T10] netlink_rcv_skb+0x130/0x360 [ 9002.871536][ T10] netlink_unicast+0x449/0x710 [ 9002.871536][ T10] netlink_sendmsg+0x723/0xbe0 [ 9002.871536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9002.871536][ T10] ___sys_sendmsg+0xee/0x170 [ 9002.871536][ T10] __sys_sendmsg+0xcd/0x170 [ 9002.871536][ T10] do_syscall_64+0xc6/0x1e0 [ 9002.871536][ T10] [ 9002.873515][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9002.873515][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9002.873515][ T10] ipv6_find_idev+0x102/0x170 [ 9002.873515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9002.873515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9002.873515][ T10] netlink_rcv_skb+0x130/0x360 [ 9002.873515][ T10] netlink_unicast+0x449/0x710 [ 9002.873515][ T10] netlink_sendmsg+0x723/0xbe0 [ 9002.873515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9002.873515][ T10] ___sys_sendmsg+0xee/0x170 [ 9002.873515][ T10] __sys_sendmsg+0xcd/0x170 [ 9002.873515][ T10] do_syscall_64+0xc6/0x1e0 [ 9002.873515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9002.873515][ T10] [ 9002.875064][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9002.875064][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9002.875064][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9002.875064][ T10] ipv6_find_idev+0x102/0x170 [ 9002.875064][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9002.875064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9002.875064][ T10] netlink_rcv_skb+0x130/0x360 [ 9002.875064][ T10] netlink_unicast+0x449/0x710 [ 9002.875064][ T10] netlink_sendmsg+0x723/0xbe0 [ 9002.875064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9002.875064][ T10] ___sys_sendmsg+0xee/0x170 [ 9002.875064][ T10] __sys_sendmsg+0xcd/0x170 [ 9002.875064][ T10] do_syscall_64+0xc6/0x1e0 [ 9002.875064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9002.875064][ T10] [ 9002.876779][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9002.877021][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9002.877021][ T10] netdev_get_by_index+0x5e/0x80 [ 9002.877021][ T10] fib6_nh_init+0x3d8/0x1580 [ 9002.877021][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9002.877021][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9002.877021][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9002.877021][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9002.877021][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9002.877021][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9002.877021][ T10] addrconf_dad_begin+0x310/0x670 [ 9002.877021][ T10] addrconf_dad_work+0x10b/0xab0 [ 9002.877021][ T10] process_one_work+0x84d/0x18a0 [ 9002.877021][ T10] worker_thread+0x587/0xd30 [ 9002.877021][ T10] kthread+0x28a/0x350 [ 9002.877021][ T10] ret_from_fork+0x31/0x70 [ 9002.877021][ T10] ret_from_fork_asm+0x1a/0x30 [ 9002.877021][ T10] [ 9002.878937][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9002.878937][ T10] netdev_get_by_index+0x5e/0x80 [ 9002.878937][ T10] fib6_nh_init+0x3d8/0x1580 [ 9002.878937][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9002.878937][ T10] ip6_route_add+0x1c/0x140 [ 9002.878937][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9002.878937][ T10] inet6_addr_add+0x4f8/0xa40 [ 9002.878937][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9002.878937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9002.878937][ T10] netlink_rcv_skb+0x130/0x360 [ 9002.878937][ T10] netlink_unicast+0x449/0x710 [ 9002.878937][ T10] netlink_sendmsg+0x723/0xbe0 [ 9002.878937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9002.878937][ T10] ___sys_sendmsg+0xee/0x170 [ 9002.878937][ T10] __sys_sendmsg+0xcd/0x170 [ 9002.878937][ T10] do_syscall_64+0xc6/0x1e0 [ 9002.878937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9002.878937][ T10] [ 9002.880949][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9002.880949][ T10] netdev_get_by_index+0x5e/0x80 [ 9002.880949][ T10] fib6_nh_init+0x3d8/0x1580 [ 9002.880949][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9002.880949][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9002.880949][ T10] ipv6_add_addr+0x411/0x2000 [ 9002.880949][ T10] inet6_addr_add+0x30e/0xa40 [ 9002.880949][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9002.880949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9002.880949][ T10] netlink_rcv_skb+0x130/0x360 [ 9002.880949][ T10] netlink_unicast+0x449/0x710 [ 9002.880949][ T10] netlink_sendmsg+0x723/0xbe0 [ 9002.880949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9002.880949][ T10] ___sys_sendmsg+0xee/0x170 [ 9002.880949][ T10] __sys_sendmsg+0xcd/0x170 [ 9002.880949][ T10] do_syscall_64+0xc6/0x1e0 [ 9002.880949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9002.880949][ T10] [ 9002.882983][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9002.882983][ T10] netdev_get_by_index+0x5e/0x80 [ 9002.882983][ T10] fib6_nh_init+0x3d8/0x1580 [ 9002.882983][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9002.882983][ T10] ip6_route_add+0x1c/0x140 [ 9002.882983][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9002.882983][ T10] addrconf_add_dev+0xe2/0x170 [ 9002.882983][ T10] inet6_addr_add+0x12f/0xa40 [ 9002.882983][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9002.882983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9002.882983][ T10] netlink_rcv_skb+0x130/0x360 [ 9002.882983][ T10] netlink_unicast+0x449/0x710 [ 9002.882983][ T10] netlink_sendmsg+0x723/0xbe0 [ 9002.882983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9002.882983][ T10] ___sys_sendmsg+0xee/0x170 [ 9002.882983][ T10] __sys_sendmsg+0xcd/0x170 [ 9002.882983][ T10] do_syscall_64+0xc6/0x1e0 [ 9002.882983][ T10] [ 9002.884976][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9002.884976][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9002.884976][ T10] ipv6_find_idev+0x102/0x170 [ 9002.884976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9002.884976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9002.884976][ T10] netlink_rcv_skb+0x130/0x360 [ 9002.884976][ T10] netlink_unicast+0x449/0x710 [ 9002.884976][ T10] netlink_sendmsg+0x723/0xbe0 [ 9002.884976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9002.884976][ T10] ___sys_sendmsg+0xee/0x170 [ 9002.884976][ T10] __sys_sendmsg+0xcd/0x170 [ 9002.884976][ T10] do_syscall_64+0xc6/0x1e0 [ 9002.884976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9002.884976][ T10] [ 9002.886545][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9002.886545][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9002.886545][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9002.886545][ T10] ipv6_find_idev+0x102/0x170 [ 9002.886545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9002.886545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9002.886545][ T10] netlink_rcv_skb+0x130/0x360 [ 9002.886545][ T10] netlink_unicast+0x449/0x710 [ 9002.886545][ T10] netlink_sendmsg+0x723/0xbe0 [ 9002.886545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9002.886545][ T10] ___sys_sendmsg+0xee/0x170 [ 9002.886545][ T10] __sys_sendmsg+0xcd/0x170 [ 9002.886545][ T10] do_syscall_64+0xc6/0x1e0 [ 9002.886545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9002.886545][ T10] [ 9002.888258][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9002.888509][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9002.888509][ T10] netdev_get_by_index+0x5e/0x80 [ 9002.888509][ T10] fib6_nh_init+0x3d8/0x1580 [ 9002.888509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9002.888509][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9002.888509][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9002.888509][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9002.888509][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9002.888509][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9002.888509][ T10] addrconf_dad_begin+0x310/0x670 [ 9002.888509][ T10] addrconf_dad_work+0x10b/0xab0 [ 9002.888509][ T10] process_one_work+0x84d/0x18a0 [ 9002.888509][ T10] worker_thread+0x587/0xd30 [ 9002.888509][ T10] kthread+0x28a/0x350 [ 9002.888509][ T10] ret_from_fork+0x31/0x70 [ 9002.888509][ T10] ret_from_fork_asm+0x1a/0x30 [ 9002.888509][ T10] [ 9002.890430][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9002.890430][ T10] netdev_get_by_index+0x5e/0x80 [ 9002.890430][ T10] fib6_nh_init+0x3d8/0x1580 [ 9002.890430][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9002.890430][ T10] ip6_route_add+0x1c/0x140 [ 9002.890430][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9002.890430][ T10] inet6_addr_add+0x4f8/0xa40 [ 9002.890430][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9002.890430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9002.890430][ T10] netlink_rcv_skb+0x130/0x360 [ 9002.890430][ T10] netlink_unicast+0x449/0x710 [ 9002.890430][ T10] netlink_sendmsg+0x723/0xbe0 [ 9002.890430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9002.890430][ T10] ___sys_sendmsg+0xee/0x170 [ 9002.890430][ T10] __sys_sendmsg+0xcd/0x170 [ 9002.890430][ T10] do_syscall_64+0xc6/0x1e0 [ 9002.890430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9002.890430][ T10] [ 9002.892617][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9002.892617][ T10] netdev_get_by_index+0x5e/0x80 [ 9002.892617][ T10] fib6_nh_init+0x3d8/0x1580 [ 9002.892617][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9002.892617][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9002.892617][ T10] ipv6_add_addr+0x411/0x2000 [ 9002.892617][ T10] inet6_addr_add+0x30e/0xa40 [ 9002.892617][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9002.892617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9002.892617][ T10] netlink_rcv_skb+0x130/0x360 [ 9002.892617][ T10] netlink_unicast+0x449/0x710 [ 9002.892617][ T10] netlink_sendmsg+0x723/0xbe0 [ 9002.892617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9002.892617][ T10] ___sys_sendmsg+0xee/0x170 [ 9002.892617][ T10] __sys_sendmsg+0xcd/0x170 [ 9002.892617][ T10] do_syscall_64+0xc6/0x1e0 [ 9002.892617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9002.892617][ T10] [ 9002.895449][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9002.895449][ T10] netdev_get_by_index+0x5e/0x80 [ 9002.895449][ T10] fib6_nh_init+0x3d8/0x1580 [ 9002.895449][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9002.895449][ T10] ip6_route_add+0x1c/0x140 [ 9002.895449][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9002.895449][ T10] addrconf_add_dev+0xe2/0x170 [ 9002.895449][ T10] inet6_addr_add+0x12f/0xa40 [ 9002.895449][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9002.895449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9002.895449][ T10] netlink_rcv_skb+0x130/0x360 [ 9002.895449][ T10] netlink_unicast+0x449/0x710 [ 9002.895449][ T10] netlink_sendmsg+0x723/0xbe0 [ 9002.895449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9002.895449][ T10] ___sys_sendmsg+0xee/0x170 [ 9002.895449][ T10] __sys_sendmsg+0xcd/0x170 [ 9002.895449][ T10] do_syscall_64+0xc6/0x1e0 [ 9002.895449][ T10] [ 9002.897612][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9002.897612][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9002.897612][ T10] ipv6_find_idev+0x102/0x170 [ 9002.897612][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9002.897612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9002.897612][ T10] netlink_rcv_skb+0x130/0x360 [ 9002.897612][ T10] netlink_unicast+0x449/0x710 [ 9002.897612][ T10] netlink_sendmsg+0x723/0xbe0 [ 9002.897612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9002.897612][ T10] ___sys_sendmsg+0xee/0x170 [ 9002.897612][ T10] __sys_sendmsg+0xcd/0x170 [ 9002.897612][ T10] do_syscall_64+0xc6/0x1e0 [ 9002.897612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9002.897612][ T10] [ 9002.899337][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9002.899337][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9002.899337][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9002.899337][ T10] ipv6_find_idev+0x102/0x170 [ 9002.899337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9002.899337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9002.899337][ T10] netlink_rcv_skb+0x130/0x360 [ 9002.899337][ T10] netlink_unicast+0x449/0x710 [ 9002.899337][ T10] netlink_sendmsg+0x723/0xbe0 [ 9002.899337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9002.899337][ T10] ___sys_sendmsg+0xee/0x170 [ 9002.899337][ T10] __sys_sendmsg+0xcd/0x170 [ 9002.899337][ T10] do_syscall_64+0xc6/0x1e0 [ 9002.899337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9002.899337][ T10] [ 9002.901264][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9002.901504][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9002.901504][ T10] netdev_get_by_index+0x5e/0x80 [ 9002.901504][ T10] fib6_nh_init+0x3d8/0x1580 [ 9002.901504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9002.901504][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9002.901504][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9002.901504][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9002.901504][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9002.901504][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9002.901504][ T10] addrconf_dad_begin+0x310/0x670 [ 9002.901504][ T10] addrconf_dad_work+0x10b/0xab0 [ 9002.901504][ T10] process_one_work+0x84d/0x18a0 [ 9002.901504][ T10] worker_thread+0x587/0xd30 [ 9002.901504][ T10] kthread+0x28a/0x350 [ 9002.901504][ T10] ret_from_fork+0x31/0x70 [ 9002.901504][ T10] ret_from_fork_asm+0x1a/0x30 [ 9002.901504][ T10] [ 9002.903718][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9002.903718][ T10] netdev_get_by_index+0x5e/0x80 [ 9002.903718][ T10] fib6_nh_init+0x3d8/0x1580 [ 9002.903718][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9002.903718][ T10] ip6_route_add+0x1c/0x140 [ 9002.903718][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9002.903718][ T10] inet6_addr_add+0x4f8/0xa40 [ 9002.903718][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9002.903718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9002.903718][ T10] netlink_rcv_skb+0x130/0x360 [ 9002.903718][ T10] netlink_unicast+0x449/0x710 [ 9002.903718][ T10] netlink_sendmsg+0x723/0xbe0 [ 9002.903718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9002.903718][ T10] ___sys_sendmsg+0xee/0x170 [ 9002.903718][ T10] __sys_sendmsg+0xcd/0x170 [ 9002.903718][ T10] do_syscall_64+0xc6/0x1e0 [ 9002.903718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9002.903718][ T10] [ 9002.905908][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9002.905908][ T10] netdev_get_by_index+0x5e/0x80 [ 9002.905908][ T10] fib6_nh_init+0x3d8/0x1580 [ 9002.905908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9002.905908][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9002.905908][ T10] ipv6_add_addr+0x411/0x2000 [ 9002.905908][ T10] inet6_addr_add+0x30e/0xa40 [ 9002.905908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9002.905908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9002.905908][ T10] netlink_rcv_skb+0x130/0x360 [ 9002.905908][ T10] netlink_unicast+0x449/0x710 [ 9002.905908][ T10] netlink_sendmsg+0x723/0xbe0 [ 9002.905908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9002.905908][ T10] ___sys_sendmsg+0xee/0x170 [ 9002.905908][ T10] __sys_sendmsg+0xcd/0x170 [ 9002.905908][ T10] do_syscall_64+0xc6/0x1e0 [ 9002.905908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9002.905908][ T10] [ 9002.908164][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9002.908164][ T10] netdev_get_by_index+0x5e/0x80 [ 9002.908164][ T10] fib6_nh_init+0x3d8/0x1580 [ 9002.908164][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9002.908164][ T10] ip6_route_add+0x1c/0x140 [ 9002.908164][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9002.908164][ T10] addrconf_add_dev+0xe2/0x170 [ 9002.908164][ T10] inet6_addr_add+0x12f/0xa40 [ 9002.908164][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9002.908164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9002.908164][ T10] netlink_rcv_skb+0x130/0x360 [ 9002.908164][ T10] netlink_unicast+0x449/0x710 [ 9002.908164][ T10] netlink_sendmsg+0x723/0xbe0 [ 9002.908164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9002.908164][ T10] ___sys_sendmsg+0xee/0x170 [ 9002.908164][ T10] __sys_sendmsg+0xcd/0x170 [ 9002.908164][ T10] do_syscall_64+0xc6/0x1e0 [ 9002.908164][ T10] [ 9002.910370][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9002.910370][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9002.910370][ T10] ipv6_find_idev+0x102/0x170 [ 9002.910370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9002.910370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9002.910370][ T10] netlink_rcv_skb+0x130/0x360 [ 9002.910370][ T10] netlink_unicast+0x449/0x710 [ 9002.910370][ T10] netlink_sendmsg+0x723/0xbe0 [ 9002.910370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9002.910370][ T10] ___sys_sendmsg+0xee/0x170 [ 9002.910370][ T10] __sys_sendmsg+0xcd/0x170 [ 9002.910370][ T10] do_syscall_64+0xc6/0x1e0 [ 9002.910370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9002.910370][ T10] [ 9002.912092][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9002.912092][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9002.912092][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9002.912092][ T10] ipv6_find_idev+0x102/0x170 [ 9002.912092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9002.912092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9002.912092][ T10] netlink_rcv_skb+0x130/0x360 [ 9002.912092][ T10] netlink_unicast+0x449/0x710 [ 9002.912092][ T10] netlink_sendmsg+0x723/0xbe0 [ 9002.912092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9002.912092][ T10] ___sys_sendmsg+0xee/0x170 [ 9002.912092][ T10] __sys_sendmsg+0xcd/0x170 [ 9002.912092][ T10] do_syscall_64+0xc6/0x1e0 [ 9002.912092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9002.912092][ T10] [ 9009.913102][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9009.913585][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9009.913585][ T1167] dst_init+0x84/0x4a0 [ 9009.913585][ T1167] dst_alloc+0x97/0x150 [ 9009.913585][ T1167] ip6_dst_alloc+0x23/0x90 [ 9009.913585][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9009.913585][ T1167] ip6_pol_route+0x56f/0x840 [ 9009.913585][ T1167] fib6_rule_lookup+0x334/0x630 [ 9009.913585][ T1167] ip6_route_output_flags+0x259/0x480 [ 9009.913585][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9009.913585][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9009.913585][ T1167] netlink_rcv_skb+0x130/0x360 [ 9009.913585][ T1167] netlink_unicast+0x449/0x710 [ 9009.913585][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9009.913585][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9009.913585][ T1167] ___sys_sendmsg+0xee/0x170 [ 9009.913585][ T1167] __sys_sendmsg+0xcd/0x170 [ 9009.913585][ T1167] do_syscall_64+0xc6/0x1e0 [ 9009.913585][ T1167] [ 9009.915786][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9009.915786][ T1167] netdev_get_by_index+0x5e/0x80 [ 9009.915786][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9009.915786][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9009.915786][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9009.915786][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9009.915786][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9009.915786][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9009.915786][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9009.915786][ T1167] addrconf_dad_begin+0x310/0x670 [ 9009.915786][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9009.915786][ T1167] process_one_work+0x84d/0x18a0 [ 9009.915786][ T1167] worker_thread+0x587/0xd30 [ 9009.915786][ T1167] kthread+0x28a/0x350 [ 9009.915786][ T1167] ret_from_fork+0x31/0x70 [ 9009.915786][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9009.915786][ T1167] [ 9009.917947][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9009.917947][ T1167] netdev_get_by_index+0x5e/0x80 [ 9009.917947][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9009.917947][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9009.917947][ T1167] ip6_route_add+0x1c/0x140 [ 9009.917947][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9009.917947][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9009.917947][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9009.917947][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9009.917947][ T1167] netlink_rcv_skb+0x130/0x360 [ 9009.917947][ T1167] netlink_unicast+0x449/0x710 [ 9009.917947][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9009.917947][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9009.917947][ T1167] ___sys_sendmsg+0xee/0x170 [ 9009.917947][ T1167] __sys_sendmsg+0xcd/0x170 [ 9009.917947][ T1167] do_syscall_64+0xc6/0x1e0 [ 9009.917947][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9009.917947][ T1167] [ 9009.920185][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9009.920185][ T1167] netdev_get_by_index+0x5e/0x80 [ 9009.920185][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9009.920185][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9009.920185][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9009.920185][ T1167] ipv6_add_addr+0x411/0x2000 [ 9009.920185][ T1167] inet6_addr_add+0x30e/0xa40 [ 9009.920185][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9009.920185][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9009.920185][ T1167] netlink_rcv_skb+0x130/0x360 [ 9009.920185][ T1167] netlink_unicast+0x449/0x710 [ 9009.920185][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9009.920185][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9009.920185][ T1167] ___sys_sendmsg+0xee/0x170 [ 9009.920185][ T1167] __sys_sendmsg+0xcd/0x170 [ 9009.920185][ T1167] do_syscall_64+0xc6/0x1e0 [ 9009.920185][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9009.920185][ T1167] [ 9009.922425][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9009.922425][ T1167] netdev_get_by_index+0x5e/0x80 [ 9009.922425][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9009.922425][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9009.922425][ T1167] ip6_route_add+0x1c/0x140 [ 9009.922425][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9009.922425][ T1167] addrconf_add_dev+0xe2/0x170 [ 9009.922425][ T1167] inet6_addr_add+0x12f/0xa40 [ 9009.922425][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9009.922425][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9009.922425][ T1167] netlink_rcv_skb+0x130/0x360 [ 9009.922425][ T1167] netlink_unicast+0x449/0x710 [ 9009.922425][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9009.922425][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9009.922425][ T1167] ___sys_sendmsg+0xee/0x170 [ 9009.922425][ T1167] __sys_sendmsg+0xcd/0x170 [ 9009.922425][ T1167] do_syscall_64+0xc6/0x1e0 [ 9009.922425][ T1167] [ 9009.924620][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9009.924620][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9009.924620][ T1167] ipv6_find_idev+0x102/0x170 [ 9009.924620][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9009.924620][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9009.924620][ T1167] netlink_rcv_skb+0x130/0x360 [ 9009.924620][ T1167] netlink_unicast+0x449/0x710 [ 9009.924620][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9009.924620][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9009.924620][ T1167] ___sys_sendmsg+0xee/0x170 [ 9009.924620][ T1167] __sys_sendmsg+0xcd/0x170 [ 9009.924620][ T1167] do_syscall_64+0xc6/0x1e0 [ 9009.924620][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9009.924620][ T1167] [ 9009.926353][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9009.926353][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9009.926353][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9009.926353][ T1167] ipv6_find_idev+0x102/0x170 [ 9009.926353][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9009.926353][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9009.926353][ T1167] netlink_rcv_skb+0x130/0x360 [ 9009.926353][ T1167] netlink_unicast+0x449/0x710 [ 9009.926353][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9009.926353][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9009.926353][ T1167] ___sys_sendmsg+0xee/0x170 [ 9009.926353][ T1167] __sys_sendmsg+0xcd/0x170 [ 9009.926353][ T1167] do_syscall_64+0xc6/0x1e0 [ 9009.926353][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9009.926353][ T1167] [ 9013.153111][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9013.153532][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9013.153532][ T10] netdev_get_by_index+0x5e/0x80 [ 9013.153532][ T10] fib6_nh_init+0x3d8/0x1580 [ 9013.153532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9013.153532][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9013.153532][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9013.153532][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9013.153532][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9013.153532][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9013.153532][ T10] addrconf_dad_begin+0x310/0x670 [ 9013.153532][ T10] addrconf_dad_work+0x10b/0xab0 [ 9013.153532][ T10] process_one_work+0x84d/0x18a0 [ 9013.153532][ T10] worker_thread+0x587/0xd30 [ 9013.153532][ T10] kthread+0x28a/0x350 [ 9013.153532][ T10] ret_from_fork+0x31/0x70 [ 9013.153532][ T10] ret_from_fork_asm+0x1a/0x30 [ 9013.153532][ T10] [ 9013.155473][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9013.155473][ T10] netdev_get_by_index+0x5e/0x80 [ 9013.155473][ T10] fib6_nh_init+0x3d8/0x1580 [ 9013.155473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9013.155473][ T10] ip6_route_add+0x1c/0x140 [ 9013.155473][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9013.155473][ T10] inet6_addr_add+0x4f8/0xa40 [ 9013.155473][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9013.155473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9013.155473][ T10] netlink_rcv_skb+0x130/0x360 [ 9013.155473][ T10] netlink_unicast+0x449/0x710 [ 9013.155473][ T10] netlink_sendmsg+0x723/0xbe0 [ 9013.155473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9013.155473][ T10] ___sys_sendmsg+0xee/0x170 [ 9013.155473][ T10] __sys_sendmsg+0xcd/0x170 [ 9013.155473][ T10] do_syscall_64+0xc6/0x1e0 [ 9013.155473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9013.155473][ T10] [ 9013.157488][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9013.157488][ T10] netdev_get_by_index+0x5e/0x80 [ 9013.157488][ T10] fib6_nh_init+0x3d8/0x1580 [ 9013.157488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9013.157488][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9013.157488][ T10] ipv6_add_addr+0x411/0x2000 [ 9013.157488][ T10] inet6_addr_add+0x30e/0xa40 [ 9013.157488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9013.157488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9013.157488][ T10] netlink_rcv_skb+0x130/0x360 [ 9013.157488][ T10] netlink_unicast+0x449/0x710 [ 9013.157488][ T10] netlink_sendmsg+0x723/0xbe0 [ 9013.157488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9013.157488][ T10] ___sys_sendmsg+0xee/0x170 [ 9013.157488][ T10] __sys_sendmsg+0xcd/0x170 [ 9013.157488][ T10] do_syscall_64+0xc6/0x1e0 [ 9013.157488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9013.157488][ T10] [ 9013.159494][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9013.159494][ T10] netdev_get_by_index+0x5e/0x80 [ 9013.159494][ T10] fib6_nh_init+0x3d8/0x1580 [ 9013.159494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9013.159494][ T10] ip6_route_add+0x1c/0x140 [ 9013.159494][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9013.159494][ T10] addrconf_add_dev+0xe2/0x170 [ 9013.159494][ T10] inet6_addr_add+0x12f/0xa40 [ 9013.159494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9013.159494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9013.159494][ T10] netlink_rcv_skb+0x130/0x360 [ 9013.159494][ T10] netlink_unicast+0x449/0x710 [ 9013.159494][ T10] netlink_sendmsg+0x723/0xbe0 [ 9013.159494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9013.159494][ T10] ___sys_sendmsg+0xee/0x170 [ 9013.159494][ T10] __sys_sendmsg+0xcd/0x170 [ 9013.159494][ T10] do_syscall_64+0xc6/0x1e0 [ 9013.159494][ T10] [ 9013.161467][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9013.161467][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9013.161467][ T10] ipv6_find_idev+0x102/0x170 [ 9013.161467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9013.161467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9013.161467][ T10] netlink_rcv_skb+0x130/0x360 [ 9013.161467][ T10] netlink_unicast+0x449/0x710 [ 9013.161467][ T10] netlink_sendmsg+0x723/0xbe0 [ 9013.161467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9013.161467][ T10] ___sys_sendmsg+0xee/0x170 [ 9013.161467][ T10] __sys_sendmsg+0xcd/0x170 [ 9013.161467][ T10] do_syscall_64+0xc6/0x1e0 [ 9013.161467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9013.161467][ T10] [ 9013.163011][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9013.163011][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9013.163011][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9013.163011][ T10] ipv6_find_idev+0x102/0x170 [ 9013.163011][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9013.163011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9013.163011][ T10] netlink_rcv_skb+0x130/0x360 [ 9013.163011][ T10] netlink_unicast+0x449/0x710 [ 9013.163011][ T10] netlink_sendmsg+0x723/0xbe0 [ 9013.163011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9013.163011][ T10] ___sys_sendmsg+0xee/0x170 [ 9013.163011][ T10] __sys_sendmsg+0xcd/0x170 [ 9013.163011][ T10] do_syscall_64+0xc6/0x1e0 [ 9013.163011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9013.163011][ T10] [ 9013.164713][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9013.164960][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9013.164960][ T10] netdev_get_by_index+0x5e/0x80 [ 9013.164960][ T10] fib6_nh_init+0x3d8/0x1580 [ 9013.164960][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9013.164960][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9013.164960][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9013.164960][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9013.164960][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9013.164960][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9013.164960][ T10] addrconf_dad_begin+0x310/0x670 [ 9013.164960][ T10] addrconf_dad_work+0x10b/0xab0 [ 9013.164960][ T10] process_one_work+0x84d/0x18a0 [ 9013.164960][ T10] worker_thread+0x587/0xd30 [ 9013.164960][ T10] kthread+0x28a/0x350 [ 9013.164960][ T10] ret_from_fork+0x31/0x70 [ 9013.164960][ T10] ret_from_fork_asm+0x1a/0x30 [ 9013.164960][ T10] [ 9013.166873][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9013.166873][ T10] netdev_get_by_index+0x5e/0x80 [ 9013.166873][ T10] fib6_nh_init+0x3d8/0x1580 [ 9013.166873][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9013.166873][ T10] ip6_route_add+0x1c/0x140 [ 9013.166873][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9013.166873][ T10] inet6_addr_add+0x4f8/0xa40 [ 9013.166873][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9013.166873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9013.166873][ T10] netlink_rcv_skb+0x130/0x360 [ 9013.166873][ T10] netlink_unicast+0x449/0x710 [ 9013.166873][ T10] netlink_sendmsg+0x723/0xbe0 [ 9013.166873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9013.166873][ T10] ___sys_sendmsg+0xee/0x170 [ 9013.166873][ T10] __sys_sendmsg+0xcd/0x170 [ 9013.166873][ T10] do_syscall_64+0xc6/0x1e0 [ 9013.166873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9013.166873][ T10] [ 9013.168880][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9013.168880][ T10] netdev_get_by_index+0x5e/0x80 [ 9013.168880][ T10] fib6_nh_init+0x3d8/0x1580 [ 9013.168880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9013.168880][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9013.168880][ T10] ipv6_add_addr+0x411/0x2000 [ 9013.168880][ T10] inet6_addr_add+0x30e/0xa40 [ 9013.168880][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9013.168880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9013.168880][ T10] netlink_rcv_skb+0x130/0x360 [ 9013.168880][ T10] netlink_unicast+0x449/0x710 [ 9013.168880][ T10] netlink_sendmsg+0x723/0xbe0 [ 9013.168880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9013.168880][ T10] ___sys_sendmsg+0xee/0x170 [ 9013.168880][ T10] __sys_sendmsg+0xcd/0x170 [ 9013.168880][ T10] do_syscall_64+0xc6/0x1e0 [ 9013.168880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9013.168880][ T10] [ 9013.170882][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9013.170882][ T10] netdev_get_by_index+0x5e/0x80 [ 9013.170882][ T10] fib6_nh_init+0x3d8/0x1580 [ 9013.170882][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9013.170882][ T10] ip6_route_add+0x1c/0x140 [ 9013.170882][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9013.170882][ T10] addrconf_add_dev+0xe2/0x170 [ 9013.170882][ T10] inet6_addr_add+0x12f/0xa40 [ 9013.170882][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9013.170882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9013.170882][ T10] netlink_rcv_skb+0x130/0x360 [ 9013.170882][ T10] netlink_unicast+0x449/0x710 [ 9013.170882][ T10] netlink_sendmsg+0x723/0xbe0 [ 9013.170882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9013.170882][ T10] ___sys_sendmsg+0xee/0x170 [ 9013.170882][ T10] __sys_sendmsg+0xcd/0x170 [ 9013.170882][ T10] do_syscall_64+0xc6/0x1e0 [ 9013.170882][ T10] [ 9013.172878][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9013.172878][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9013.172878][ T10] ipv6_find_idev+0x102/0x170 [ 9013.172878][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9013.172878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9013.172878][ T10] netlink_rcv_skb+0x130/0x360 [ 9013.172878][ T10] netlink_unicast+0x449/0x710 [ 9013.172878][ T10] netlink_sendmsg+0x723/0xbe0 [ 9013.172878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9013.172878][ T10] ___sys_sendmsg+0xee/0x170 [ 9013.172878][ T10] __sys_sendmsg+0xcd/0x170 [ 9013.172878][ T10] do_syscall_64+0xc6/0x1e0 [ 9013.172878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9013.172878][ T10] [ 9013.174425][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9013.174425][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9013.174425][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9013.174425][ T10] ipv6_find_idev+0x102/0x170 [ 9013.174425][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9013.174425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9013.174425][ T10] netlink_rcv_skb+0x130/0x360 [ 9013.174425][ T10] netlink_unicast+0x449/0x710 [ 9013.174425][ T10] netlink_sendmsg+0x723/0xbe0 [ 9013.174425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9013.174425][ T10] ___sys_sendmsg+0xee/0x170 [ 9013.174425][ T10] __sys_sendmsg+0xcd/0x170 [ 9013.174425][ T10] do_syscall_64+0xc6/0x1e0 [ 9013.174425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9013.174425][ T10] [ 9013.176132][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9013.176373][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9013.176373][ T10] netdev_get_by_index+0x5e/0x80 [ 9013.176373][ T10] fib6_nh_init+0x3d8/0x1580 [ 9013.176373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9013.176373][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9013.176373][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9013.176373][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9013.176373][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9013.176373][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9013.176373][ T10] addrconf_dad_begin+0x310/0x670 [ 9013.176373][ T10] addrconf_dad_work+0x10b/0xab0 [ 9013.176373][ T10] process_one_work+0x84d/0x18a0 [ 9013.176373][ T10] worker_thread+0x587/0xd30 [ 9013.176373][ T10] kthread+0x28a/0x350 [ 9013.176373][ T10] ret_from_fork+0x31/0x70 [ 9013.176373][ T10] ret_from_fork_asm+0x1a/0x30 [ 9013.176373][ T10] [ 9013.178293][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9013.178293][ T10] netdev_get_by_index+0x5e/0x80 [ 9013.178293][ T10] fib6_nh_init+0x3d8/0x1580 [ 9013.178293][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9013.178293][ T10] ip6_route_add+0x1c/0x140 [ 9013.178293][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9013.178293][ T10] inet6_addr_add+0x4f8/0xa40 [ 9013.178293][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9013.178293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9013.178293][ T10] netlink_rcv_skb+0x130/0x360 [ 9013.178293][ T10] netlink_unicast+0x449/0x710 [ 9013.178293][ T10] netlink_sendmsg+0x723/0xbe0 [ 9013.178293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9013.178293][ T10] ___sys_sendmsg+0xee/0x170 [ 9013.178293][ T10] __sys_sendmsg+0xcd/0x170 [ 9013.178293][ T10] do_syscall_64+0xc6/0x1e0 [ 9013.178293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9013.178293][ T10] [ 9013.180488][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9013.180488][ T10] netdev_get_by_index+0x5e/0x80 [ 9013.180488][ T10] fib6_nh_init+0x3d8/0x1580 [ 9013.180488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9013.180488][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9013.180488][ T10] ipv6_add_addr+0x411/0x2000 [ 9013.180488][ T10] inet6_addr_add+0x30e/0xa40 [ 9013.180488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9013.180488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9013.180488][ T10] netlink_rcv_skb+0x130/0x360 [ 9013.180488][ T10] netlink_unicast+0x449/0x710 [ 9013.180488][ T10] netlink_sendmsg+0x723/0xbe0 [ 9013.180488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9013.180488][ T10] ___sys_sendmsg+0xee/0x170 [ 9013.180488][ T10] __sys_sendmsg+0xcd/0x170 [ 9013.180488][ T10] do_syscall_64+0xc6/0x1e0 [ 9013.180488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9013.180488][ T10] [ 9013.182798][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9013.182798][ T10] netdev_get_by_index+0x5e/0x80 [ 9013.182798][ T10] fib6_nh_init+0x3d8/0x1580 [ 9013.182798][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9013.182798][ T10] ip6_route_add+0x1c/0x140 [ 9013.182798][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9013.182798][ T10] addrconf_add_dev+0xe2/0x170 [ 9013.182798][ T10] inet6_addr_add+0x12f/0xa40 [ 9013.182798][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9013.182798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9013.182798][ T10] netlink_rcv_skb+0x130/0x360 [ 9013.182798][ T10] netlink_unicast+0x449/0x710 [ 9013.182798][ T10] netlink_sendmsg+0x723/0xbe0 [ 9013.182798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9013.182798][ T10] ___sys_sendmsg+0xee/0x170 [ 9013.182798][ T10] __sys_sendmsg+0xcd/0x170 [ 9013.182798][ T10] do_syscall_64+0xc6/0x1e0 [ 9013.182798][ T10] [ 9013.184946][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9013.184946][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9013.184946][ T10] ipv6_find_idev+0x102/0x170 [ 9013.184946][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9013.184946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9013.184946][ T10] netlink_rcv_skb+0x130/0x360 [ 9013.184946][ T10] netlink_unicast+0x449/0x710 [ 9013.184946][ T10] netlink_sendmsg+0x723/0xbe0 [ 9013.184946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9013.184946][ T10] ___sys_sendmsg+0xee/0x170 [ 9013.184946][ T10] __sys_sendmsg+0xcd/0x170 [ 9013.184946][ T10] do_syscall_64+0xc6/0x1e0 [ 9013.184946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9013.184946][ T10] [ 9013.186671][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9013.186671][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9013.186671][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9013.186671][ T10] ipv6_find_idev+0x102/0x170 [ 9013.186671][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9013.186671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9013.186671][ T10] netlink_rcv_skb+0x130/0x360 [ 9013.186671][ T10] netlink_unicast+0x449/0x710 [ 9013.186671][ T10] netlink_sendmsg+0x723/0xbe0 [ 9013.186671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9013.186671][ T10] ___sys_sendmsg+0xee/0x170 [ 9013.186671][ T10] __sys_sendmsg+0xcd/0x170 [ 9013.186671][ T10] do_syscall_64+0xc6/0x1e0 [ 9013.186671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9013.186671][ T10] [ 9013.188597][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9013.188833][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9013.188833][ T10] netdev_get_by_index+0x5e/0x80 [ 9013.188833][ T10] fib6_nh_init+0x3d8/0x1580 [ 9013.188833][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9013.188833][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9013.188833][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9013.188833][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9013.188833][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9013.188833][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9013.188833][ T10] addrconf_dad_begin+0x310/0x670 [ 9013.188833][ T10] addrconf_dad_work+0x10b/0xab0 [ 9013.188833][ T10] process_one_work+0x84d/0x18a0 [ 9013.188833][ T10] worker_thread+0x587/0xd30 [ 9013.188833][ T10] kthread+0x28a/0x350 [ 9013.188833][ T10] ret_from_fork+0x31/0x70 [ 9013.188833][ T10] ret_from_fork_asm+0x1a/0x30 [ 9013.188833][ T10] [ 9013.191047][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9013.191047][ T10] netdev_get_by_index+0x5e/0x80 [ 9013.191047][ T10] fib6_nh_init+0x3d8/0x1580 [ 9013.191047][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9013.191047][ T10] ip6_route_add+0x1c/0x140 [ 9013.191047][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9013.191047][ T10] inet6_addr_add+0x4f8/0xa40 [ 9013.191047][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9013.191047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9013.191047][ T10] netlink_rcv_skb+0x130/0x360 [ 9013.191047][ T10] netlink_unicast+0x449/0x710 [ 9013.191047][ T10] netlink_sendmsg+0x723/0xbe0 [ 9013.191047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9013.191047][ T10] ___sys_sendmsg+0xee/0x170 [ 9013.191047][ T10] __sys_sendmsg+0xcd/0x170 [ 9013.191047][ T10] do_syscall_64+0xc6/0x1e0 [ 9013.191047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9013.191047][ T10] [ 9013.193230][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9013.193230][ T10] netdev_get_by_index+0x5e/0x80 [ 9013.193230][ T10] fib6_nh_init+0x3d8/0x1580 [ 9013.193230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9013.193230][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9013.193230][ T10] ipv6_add_addr+0x411/0x2000 [ 9013.193230][ T10] inet6_addr_add+0x30e/0xa40 [ 9013.193230][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9013.193230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9013.193230][ T10] netlink_rcv_skb+0x130/0x360 [ 9013.193230][ T10] netlink_unicast+0x449/0x710 [ 9013.193230][ T10] netlink_sendmsg+0x723/0xbe0 [ 9013.193230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9013.193230][ T10] ___sys_sendmsg+0xee/0x170 [ 9013.193230][ T10] __sys_sendmsg+0xcd/0x170 [ 9013.193230][ T10] do_syscall_64+0xc6/0x1e0 [ 9013.193230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9013.193230][ T10] [ 9013.195482][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9013.195482][ T10] netdev_get_by_index+0x5e/0x80 [ 9013.195482][ T10] fib6_nh_init+0x3d8/0x1580 [ 9013.195482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9013.195482][ T10] ip6_route_add+0x1c/0x140 [ 9013.195482][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9013.195482][ T10] addrconf_add_dev+0xe2/0x170 [ 9013.195482][ T10] inet6_addr_add+0x12f/0xa40 [ 9013.195482][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9013.195482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9013.195482][ T10] netlink_rcv_skb+0x130/0x360 [ 9013.195482][ T10] netlink_unicast+0x449/0x710 [ 9013.195482][ T10] netlink_sendmsg+0x723/0xbe0 [ 9013.195482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9013.195482][ T10] ___sys_sendmsg+0xee/0x170 [ 9013.195482][ T10] __sys_sendmsg+0xcd/0x170 [ 9013.195482][ T10] do_syscall_64+0xc6/0x1e0 [ 9013.195482][ T10] [ 9013.197708][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9013.197708][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9013.197708][ T10] ipv6_find_idev+0x102/0x170 [ 9013.197708][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9013.197708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9013.197708][ T10] netlink_rcv_skb+0x130/0x360 [ 9013.197708][ T10] netlink_unicast+0x449/0x710 [ 9013.197708][ T10] netlink_sendmsg+0x723/0xbe0 [ 9013.197708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9013.197708][ T10] ___sys_sendmsg+0xee/0x170 [ 9013.197708][ T10] __sys_sendmsg+0xcd/0x170 [ 9013.197708][ T10] do_syscall_64+0xc6/0x1e0 [ 9013.197708][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9013.197708][ T10] [ 9013.199441][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9013.199441][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9013.199441][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9013.199441][ T10] ipv6_find_idev+0x102/0x170 [ 9013.199441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9013.199441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9013.199441][ T10] netlink_rcv_skb+0x130/0x360 [ 9013.199441][ T10] netlink_unicast+0x449/0x710 [ 9013.199441][ T10] netlink_sendmsg+0x723/0xbe0 [ 9013.199441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9013.199441][ T10] ___sys_sendmsg+0xee/0x170 [ 9013.199441][ T10] __sys_sendmsg+0xcd/0x170 [ 9013.199441][ T10] do_syscall_64+0xc6/0x1e0 [ 9013.199441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9013.199441][ T10] [ 9019.929125][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9019.929604][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9019.929604][ T1167] dst_init+0x84/0x4a0 [ 9019.929604][ T1167] dst_alloc+0x97/0x150 [ 9019.929604][ T1167] ip6_dst_alloc+0x23/0x90 [ 9019.929604][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9019.929604][ T1167] ip6_pol_route+0x56f/0x840 [ 9019.929604][ T1167] fib6_rule_lookup+0x334/0x630 [ 9019.929604][ T1167] ip6_route_output_flags+0x259/0x480 [ 9019.929604][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9019.929604][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9019.929604][ T1167] netlink_rcv_skb+0x130/0x360 [ 9019.929604][ T1167] netlink_unicast+0x449/0x710 [ 9019.929604][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9019.929604][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9019.929604][ T1167] ___sys_sendmsg+0xee/0x170 [ 9019.929604][ T1167] __sys_sendmsg+0xcd/0x170 [ 9019.929604][ T1167] do_syscall_64+0xc6/0x1e0 [ 9019.929604][ T1167] [ 9019.931806][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9019.931806][ T1167] netdev_get_by_index+0x5e/0x80 [ 9019.931806][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9019.931806][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9019.931806][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9019.931806][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9019.931806][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9019.931806][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9019.931806][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9019.931806][ T1167] addrconf_dad_begin+0x310/0x670 [ 9019.931806][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9019.931806][ T1167] process_one_work+0x84d/0x18a0 [ 9019.931806][ T1167] worker_thread+0x587/0xd30 [ 9019.931806][ T1167] kthread+0x28a/0x350 [ 9019.931806][ T1167] ret_from_fork+0x31/0x70 [ 9019.931806][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9019.931806][ T1167] [ 9019.933953][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9019.933953][ T1167] netdev_get_by_index+0x5e/0x80 [ 9019.933953][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9019.933953][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9019.933953][ T1167] ip6_route_add+0x1c/0x140 [ 9019.933953][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9019.933953][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9019.933953][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9019.933953][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9019.933953][ T1167] netlink_rcv_skb+0x130/0x360 [ 9019.933953][ T1167] netlink_unicast+0x449/0x710 [ 9019.933953][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9019.933953][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9019.933953][ T1167] ___sys_sendmsg+0xee/0x170 [ 9019.933953][ T1167] __sys_sendmsg+0xcd/0x170 [ 9019.933953][ T1167] do_syscall_64+0xc6/0x1e0 [ 9019.933953][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9019.933953][ T1167] [ 9019.936192][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9019.936192][ T1167] netdev_get_by_index+0x5e/0x80 [ 9019.936192][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9019.936192][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9019.936192][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9019.936192][ T1167] ipv6_add_addr+0x411/0x2000 [ 9019.936192][ T1167] inet6_addr_add+0x30e/0xa40 [ 9019.936192][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9019.936192][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9019.936192][ T1167] netlink_rcv_skb+0x130/0x360 [ 9019.936192][ T1167] netlink_unicast+0x449/0x710 [ 9019.936192][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9019.936192][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9019.936192][ T1167] ___sys_sendmsg+0xee/0x170 [ 9019.936192][ T1167] __sys_sendmsg+0xcd/0x170 [ 9019.936192][ T1167] do_syscall_64+0xc6/0x1e0 [ 9019.936192][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9019.936192][ T1167] [ 9019.938429][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9019.938429][ T1167] netdev_get_by_index+0x5e/0x80 [ 9019.938429][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9019.938429][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9019.938429][ T1167] ip6_route_add+0x1c/0x140 [ 9019.938429][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9019.938429][ T1167] addrconf_add_dev+0xe2/0x170 [ 9019.938429][ T1167] inet6_addr_add+0x12f/0xa40 [ 9019.938429][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9019.938429][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9019.938429][ T1167] netlink_rcv_skb+0x130/0x360 [ 9019.938429][ T1167] netlink_unicast+0x449/0x710 [ 9019.938429][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9019.938429][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9019.938429][ T1167] ___sys_sendmsg+0xee/0x170 [ 9019.938429][ T1167] __sys_sendmsg+0xcd/0x170 [ 9019.938429][ T1167] do_syscall_64+0xc6/0x1e0 [ 9019.938429][ T1167] [ 9019.940624][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9019.940624][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9019.940624][ T1167] ipv6_find_idev+0x102/0x170 [ 9019.940624][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9019.940624][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9019.940624][ T1167] netlink_rcv_skb+0x130/0x360 [ 9019.940624][ T1167] netlink_unicast+0x449/0x710 [ 9019.940624][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9019.940624][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9019.940624][ T1167] ___sys_sendmsg+0xee/0x170 [ 9019.940624][ T1167] __sys_sendmsg+0xcd/0x170 [ 9019.940624][ T1167] do_syscall_64+0xc6/0x1e0 [ 9019.940624][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9019.940624][ T1167] [ 9019.942337][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9019.942337][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9019.942337][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9019.942337][ T1167] ipv6_find_idev+0x102/0x170 [ 9019.942337][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9019.942337][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9019.942337][ T1167] netlink_rcv_skb+0x130/0x360 [ 9019.942337][ T1167] netlink_unicast+0x449/0x710 [ 9019.942337][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9019.942337][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9019.942337][ T1167] ___sys_sendmsg+0xee/0x170 [ 9019.942337][ T1167] __sys_sendmsg+0xcd/0x170 [ 9019.942337][ T1167] do_syscall_64+0xc6/0x1e0 [ 9019.942337][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9019.942337][ T1167] [ 9023.257118][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9023.257530][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9023.257530][ T10] netdev_get_by_index+0x5e/0x80 [ 9023.257530][ T10] fib6_nh_init+0x3d8/0x1580 [ 9023.257530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9023.257530][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9023.257530][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9023.257530][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9023.257530][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9023.257530][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9023.257530][ T10] addrconf_dad_begin+0x310/0x670 [ 9023.257530][ T10] addrconf_dad_work+0x10b/0xab0 [ 9023.257530][ T10] process_one_work+0x84d/0x18a0 [ 9023.257530][ T10] worker_thread+0x587/0xd30 [ 9023.257530][ T10] kthread+0x28a/0x350 [ 9023.257530][ T10] ret_from_fork+0x31/0x70 [ 9023.257530][ T10] ret_from_fork_asm+0x1a/0x30 [ 9023.257530][ T10] [ 9023.259463][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9023.259463][ T10] netdev_get_by_index+0x5e/0x80 [ 9023.259463][ T10] fib6_nh_init+0x3d8/0x1580 [ 9023.259463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9023.259463][ T10] ip6_route_add+0x1c/0x140 [ 9023.259463][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9023.259463][ T10] inet6_addr_add+0x4f8/0xa40 [ 9023.259463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9023.259463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9023.259463][ T10] netlink_rcv_skb+0x130/0x360 [ 9023.259463][ T10] netlink_unicast+0x449/0x710 [ 9023.259463][ T10] netlink_sendmsg+0x723/0xbe0 [ 9023.259463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9023.259463][ T10] ___sys_sendmsg+0xee/0x170 [ 9023.259463][ T10] __sys_sendmsg+0xcd/0x170 [ 9023.259463][ T10] do_syscall_64+0xc6/0x1e0 [ 9023.259463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9023.259463][ T10] [ 9023.261474][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9023.261474][ T10] netdev_get_by_index+0x5e/0x80 [ 9023.261474][ T10] fib6_nh_init+0x3d8/0x1580 [ 9023.261474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9023.261474][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9023.261474][ T10] ipv6_add_addr+0x411/0x2000 [ 9023.261474][ T10] inet6_addr_add+0x30e/0xa40 [ 9023.261474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9023.261474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9023.261474][ T10] netlink_rcv_skb+0x130/0x360 [ 9023.261474][ T10] netlink_unicast+0x449/0x710 [ 9023.261474][ T10] netlink_sendmsg+0x723/0xbe0 [ 9023.261474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9023.261474][ T10] ___sys_sendmsg+0xee/0x170 [ 9023.261474][ T10] __sys_sendmsg+0xcd/0x170 [ 9023.261474][ T10] do_syscall_64+0xc6/0x1e0 [ 9023.261474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9023.261474][ T10] [ 9023.263476][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9023.263476][ T10] netdev_get_by_index+0x5e/0x80 [ 9023.263476][ T10] fib6_nh_init+0x3d8/0x1580 [ 9023.263476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9023.263476][ T10] ip6_route_add+0x1c/0x140 [ 9023.263476][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9023.263476][ T10] addrconf_add_dev+0xe2/0x170 [ 9023.263476][ T10] inet6_addr_add+0x12f/0xa40 [ 9023.263476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9023.263476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9023.263476][ T10] netlink_rcv_skb+0x130/0x360 [ 9023.263476][ T10] netlink_unicast+0x449/0x710 [ 9023.263476][ T10] netlink_sendmsg+0x723/0xbe0 [ 9023.263476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9023.263476][ T10] ___sys_sendmsg+0xee/0x170 [ 9023.263476][ T10] __sys_sendmsg+0xcd/0x170 [ 9023.263476][ T10] do_syscall_64+0xc6/0x1e0 [ 9023.263476][ T10] [ 9023.265452][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9023.265452][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9023.265452][ T10] ipv6_find_idev+0x102/0x170 [ 9023.265452][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9023.265452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9023.265452][ T10] netlink_rcv_skb+0x130/0x360 [ 9023.265452][ T10] netlink_unicast+0x449/0x710 [ 9023.265452][ T10] netlink_sendmsg+0x723/0xbe0 [ 9023.265452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9023.265452][ T10] ___sys_sendmsg+0xee/0x170 [ 9023.265452][ T10] __sys_sendmsg+0xcd/0x170 [ 9023.265452][ T10] do_syscall_64+0xc6/0x1e0 [ 9023.265452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9023.265452][ T10] [ 9023.267004][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9023.267004][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9023.267004][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9023.267004][ T10] ipv6_find_idev+0x102/0x170 [ 9023.267004][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9023.267004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9023.267004][ T10] netlink_rcv_skb+0x130/0x360 [ 9023.267004][ T10] netlink_unicast+0x449/0x710 [ 9023.267004][ T10] netlink_sendmsg+0x723/0xbe0 [ 9023.267004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9023.267004][ T10] ___sys_sendmsg+0xee/0x170 [ 9023.267004][ T10] __sys_sendmsg+0xcd/0x170 [ 9023.267004][ T10] do_syscall_64+0xc6/0x1e0 [ 9023.267004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9023.267004][ T10] [ 9023.268705][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9023.268950][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9023.268950][ T10] netdev_get_by_index+0x5e/0x80 [ 9023.268950][ T10] fib6_nh_init+0x3d8/0x1580 [ 9023.268950][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9023.268950][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9023.268950][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9023.268950][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9023.268950][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9023.268950][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9023.268950][ T10] addrconf_dad_begin+0x310/0x670 [ 9023.268950][ T10] addrconf_dad_work+0x10b/0xab0 [ 9023.268950][ T10] process_one_work+0x84d/0x18a0 [ 9023.268950][ T10] worker_thread+0x587/0xd30 [ 9023.268950][ T10] kthread+0x28a/0x350 [ 9023.268950][ T10] ret_from_fork+0x31/0x70 [ 9023.268950][ T10] ret_from_fork_asm+0x1a/0x30 [ 9023.268950][ T10] [ 9023.270869][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9023.270869][ T10] netdev_get_by_index+0x5e/0x80 [ 9023.270869][ T10] fib6_nh_init+0x3d8/0x1580 [ 9023.270869][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9023.270869][ T10] ip6_route_add+0x1c/0x140 [ 9023.270869][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9023.270869][ T10] inet6_addr_add+0x4f8/0xa40 [ 9023.270869][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9023.270869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9023.270869][ T10] netlink_rcv_skb+0x130/0x360 [ 9023.270869][ T10] netlink_unicast+0x449/0x710 [ 9023.270869][ T10] netlink_sendmsg+0x723/0xbe0 [ 9023.270869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9023.270869][ T10] ___sys_sendmsg+0xee/0x170 [ 9023.270869][ T10] __sys_sendmsg+0xcd/0x170 [ 9023.270869][ T10] do_syscall_64+0xc6/0x1e0 [ 9023.270869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9023.270869][ T10] [ 9023.272902][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9023.272902][ T10] netdev_get_by_index+0x5e/0x80 [ 9023.272902][ T10] fib6_nh_init+0x3d8/0x1580 [ 9023.272902][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9023.272902][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9023.272902][ T10] ipv6_add_addr+0x411/0x2000 [ 9023.272902][ T10] inet6_addr_add+0x30e/0xa40 [ 9023.272902][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9023.272902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9023.272902][ T10] netlink_rcv_skb+0x130/0x360 [ 9023.272902][ T10] netlink_unicast+0x449/0x710 [ 9023.272902][ T10] netlink_sendmsg+0x723/0xbe0 [ 9023.272902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9023.272902][ T10] ___sys_sendmsg+0xee/0x170 [ 9023.272902][ T10] __sys_sendmsg+0xcd/0x170 [ 9023.272902][ T10] do_syscall_64+0xc6/0x1e0 [ 9023.272902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9023.272902][ T10] [ 9023.274898][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9023.274898][ T10] netdev_get_by_index+0x5e/0x80 [ 9023.274898][ T10] fib6_nh_init+0x3d8/0x1580 [ 9023.274898][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9023.274898][ T10] ip6_route_add+0x1c/0x140 [ 9023.274898][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9023.274898][ T10] addrconf_add_dev+0xe2/0x170 [ 9023.274898][ T10] inet6_addr_add+0x12f/0xa40 [ 9023.274898][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9023.274898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9023.274898][ T10] netlink_rcv_skb+0x130/0x360 [ 9023.274898][ T10] netlink_unicast+0x449/0x710 [ 9023.274898][ T10] netlink_sendmsg+0x723/0xbe0 [ 9023.274898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9023.274898][ T10] ___sys_sendmsg+0xee/0x170 [ 9023.274898][ T10] __sys_sendmsg+0xcd/0x170 [ 9023.274898][ T10] do_syscall_64+0xc6/0x1e0 [ 9023.274898][ T10] [ 9023.276872][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9023.276872][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9023.276872][ T10] ipv6_find_idev+0x102/0x170 [ 9023.276872][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9023.276872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9023.276872][ T10] netlink_rcv_skb+0x130/0x360 [ 9023.276872][ T10] netlink_unicast+0x449/0x710 [ 9023.276872][ T10] netlink_sendmsg+0x723/0xbe0 [ 9023.276872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9023.276872][ T10] ___sys_sendmsg+0xee/0x170 [ 9023.276872][ T10] __sys_sendmsg+0xcd/0x170 [ 9023.276872][ T10] do_syscall_64+0xc6/0x1e0 [ 9023.276872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9023.276872][ T10] [ 9023.278412][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9023.278412][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9023.278412][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9023.278412][ T10] ipv6_find_idev+0x102/0x170 [ 9023.278412][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9023.278412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9023.278412][ T10] netlink_rcv_skb+0x130/0x360 [ 9023.278412][ T10] netlink_unicast+0x449/0x710 [ 9023.278412][ T10] netlink_sendmsg+0x723/0xbe0 [ 9023.278412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9023.278412][ T10] ___sys_sendmsg+0xee/0x170 [ 9023.278412][ T10] __sys_sendmsg+0xcd/0x170 [ 9023.278412][ T10] do_syscall_64+0xc6/0x1e0 [ 9023.278412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9023.278412][ T10] [ 9023.280109][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9023.280346][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9023.280346][ T10] netdev_get_by_index+0x5e/0x80 [ 9023.280346][ T10] fib6_nh_init+0x3d8/0x1580 [ 9023.280346][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9023.280346][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9023.280346][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9023.280346][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9023.280346][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9023.280346][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9023.280346][ T10] addrconf_dad_begin+0x310/0x670 [ 9023.280346][ T10] addrconf_dad_work+0x10b/0xab0 [ 9023.280346][ T10] process_one_work+0x84d/0x18a0 [ 9023.280346][ T10] worker_thread+0x587/0xd30 [ 9023.280346][ T10] kthread+0x28a/0x350 [ 9023.280346][ T10] ret_from_fork+0x31/0x70 [ 9023.280346][ T10] ret_from_fork_asm+0x1a/0x30 [ 9023.280346][ T10] [ 9023.282263][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9023.282263][ T10] netdev_get_by_index+0x5e/0x80 [ 9023.282263][ T10] fib6_nh_init+0x3d8/0x1580 [ 9023.282263][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9023.282263][ T10] ip6_route_add+0x1c/0x140 [ 9023.282263][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9023.282263][ T10] inet6_addr_add+0x4f8/0xa40 [ 9023.282263][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9023.282263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9023.282263][ T10] netlink_rcv_skb+0x130/0x360 [ 9023.282263][ T10] netlink_unicast+0x449/0x710 [ 9023.282263][ T10] netlink_sendmsg+0x723/0xbe0 [ 9023.282263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9023.282263][ T10] ___sys_sendmsg+0xee/0x170 [ 9023.282263][ T10] __sys_sendmsg+0xcd/0x170 [ 9023.282263][ T10] do_syscall_64+0xc6/0x1e0 [ 9023.282263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9023.282263][ T10] [ 9023.284447][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9023.284447][ T10] netdev_get_by_index+0x5e/0x80 [ 9023.284447][ T10] fib6_nh_init+0x3d8/0x1580 [ 9023.284447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9023.284447][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9023.284447][ T10] ipv6_add_addr+0x411/0x2000 [ 9023.284447][ T10] inet6_addr_add+0x30e/0xa40 [ 9023.284447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9023.284447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9023.284447][ T10] netlink_rcv_skb+0x130/0x360 [ 9023.284447][ T10] netlink_unicast+0x449/0x710 [ 9023.284447][ T10] netlink_sendmsg+0x723/0xbe0 [ 9023.284447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9023.284447][ T10] ___sys_sendmsg+0xee/0x170 [ 9023.284447][ T10] __sys_sendmsg+0xcd/0x170 [ 9023.284447][ T10] do_syscall_64+0xc6/0x1e0 [ 9023.284447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9023.284447][ T10] [ 9023.286747][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9023.286747][ T10] netdev_get_by_index+0x5e/0x80 [ 9023.286747][ T10] fib6_nh_init+0x3d8/0x1580 [ 9023.286747][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9023.286747][ T10] ip6_route_add+0x1c/0x140 [ 9023.286747][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9023.286747][ T10] addrconf_add_dev+0xe2/0x170 [ 9023.286747][ T10] inet6_addr_add+0x12f/0xa40 [ 9023.286747][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9023.286747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9023.286747][ T10] netlink_rcv_skb+0x130/0x360 [ 9023.286747][ T10] netlink_unicast+0x449/0x710 [ 9023.286747][ T10] netlink_sendmsg+0x723/0xbe0 [ 9023.286747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9023.286747][ T10] ___sys_sendmsg+0xee/0x170 [ 9023.286747][ T10] __sys_sendmsg+0xcd/0x170 [ 9023.286747][ T10] do_syscall_64+0xc6/0x1e0 [ 9023.286747][ T10] [ 9023.288896][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9023.288896][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9023.288896][ T10] ipv6_find_idev+0x102/0x170 [ 9023.288896][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9023.288896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9023.288896][ T10] netlink_rcv_skb+0x130/0x360 [ 9023.288896][ T10] netlink_unicast+0x449/0x710 [ 9023.288896][ T10] netlink_sendmsg+0x723/0xbe0 [ 9023.288896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9023.288896][ T10] ___sys_sendmsg+0xee/0x170 [ 9023.288896][ T10] __sys_sendmsg+0xcd/0x170 [ 9023.288896][ T10] do_syscall_64+0xc6/0x1e0 [ 9023.288896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9023.288896][ T10] [ 9023.290617][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9023.290617][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9023.290617][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9023.290617][ T10] ipv6_find_idev+0x102/0x170 [ 9023.290617][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9023.290617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9023.290617][ T10] netlink_rcv_skb+0x130/0x360 [ 9023.290617][ T10] netlink_unicast+0x449/0x710 [ 9023.290617][ T10] netlink_sendmsg+0x723/0xbe0 [ 9023.290617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9023.290617][ T10] ___sys_sendmsg+0xee/0x170 [ 9023.290617][ T10] __sys_sendmsg+0xcd/0x170 [ 9023.290617][ T10] do_syscall_64+0xc6/0x1e0 [ 9023.290617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9023.290617][ T10] [ 9023.292535][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9023.292774][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9023.292774][ T10] netdev_get_by_index+0x5e/0x80 [ 9023.292774][ T10] fib6_nh_init+0x3d8/0x1580 [ 9023.292774][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9023.292774][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9023.292774][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9023.292774][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9023.292774][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9023.292774][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9023.292774][ T10] addrconf_dad_begin+0x310/0x670 [ 9023.292774][ T10] addrconf_dad_work+0x10b/0xab0 [ 9023.292774][ T10] process_one_work+0x84d/0x18a0 [ 9023.292774][ T10] worker_thread+0x587/0xd30 [ 9023.292774][ T10] kthread+0x28a/0x350 [ 9023.292774][ T10] ret_from_fork+0x31/0x70 [ 9023.292774][ T10] ret_from_fork_asm+0x1a/0x30 [ 9023.292774][ T10] [ 9023.294991][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9023.294991][ T10] netdev_get_by_index+0x5e/0x80 [ 9023.294991][ T10] fib6_nh_init+0x3d8/0x1580 [ 9023.294991][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9023.294991][ T10] ip6_route_add+0x1c/0x140 [ 9023.294991][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9023.294991][ T10] inet6_addr_add+0x4f8/0xa40 [ 9023.294991][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9023.294991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9023.294991][ T10] netlink_rcv_skb+0x130/0x360 [ 9023.294991][ T10] netlink_unicast+0x449/0x710 [ 9023.294991][ T10] netlink_sendmsg+0x723/0xbe0 [ 9023.294991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9023.294991][ T10] ___sys_sendmsg+0xee/0x170 [ 9023.294991][ T10] __sys_sendmsg+0xcd/0x170 [ 9023.294991][ T10] do_syscall_64+0xc6/0x1e0 [ 9023.294991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9023.294991][ T10] [ 9023.297201][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9023.297201][ T10] netdev_get_by_index+0x5e/0x80 [ 9023.297201][ T10] fib6_nh_init+0x3d8/0x1580 [ 9023.297201][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9023.297201][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9023.297201][ T10] ipv6_add_addr+0x411/0x2000 [ 9023.297201][ T10] inet6_addr_add+0x30e/0xa40 [ 9023.297201][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9023.297201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9023.297201][ T10] netlink_rcv_skb+0x130/0x360 [ 9023.297201][ T10] netlink_unicast+0x449/0x710 [ 9023.297201][ T10] netlink_sendmsg+0x723/0xbe0 [ 9023.297201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9023.297201][ T10] ___sys_sendmsg+0xee/0x170 [ 9023.297201][ T10] __sys_sendmsg+0xcd/0x170 [ 9023.297201][ T10] do_syscall_64+0xc6/0x1e0 [ 9023.297201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9023.297201][ T10] [ 9023.299446][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9023.299446][ T10] netdev_get_by_index+0x5e/0x80 [ 9023.299446][ T10] fib6_nh_init+0x3d8/0x1580 [ 9023.299446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9023.299446][ T10] ip6_route_add+0x1c/0x140 [ 9023.299446][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9023.299446][ T10] addrconf_add_dev+0xe2/0x170 [ 9023.299446][ T10] inet6_addr_add+0x12f/0xa40 [ 9023.299446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9023.299446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9023.299446][ T10] netlink_rcv_skb+0x130/0x360 [ 9023.299446][ T10] netlink_unicast+0x449/0x710 [ 9023.299446][ T10] netlink_sendmsg+0x723/0xbe0 [ 9023.299446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9023.299446][ T10] ___sys_sendmsg+0xee/0x170 [ 9023.299446][ T10] __sys_sendmsg+0xcd/0x170 [ 9023.299446][ T10] do_syscall_64+0xc6/0x1e0 [ 9023.299446][ T10] [ 9023.301660][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9023.301660][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9023.301660][ T10] ipv6_find_idev+0x102/0x170 [ 9023.301660][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9023.301660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9023.301660][ T10] netlink_rcv_skb+0x130/0x360 [ 9023.301660][ T10] netlink_unicast+0x449/0x710 [ 9023.301660][ T10] netlink_sendmsg+0x723/0xbe0 [ 9023.301660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9023.301660][ T10] ___sys_sendmsg+0xee/0x170 [ 9023.301660][ T10] __sys_sendmsg+0xcd/0x170 [ 9023.301660][ T10] do_syscall_64+0xc6/0x1e0 [ 9023.301660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9023.301660][ T10] [ 9023.303386][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9023.303386][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9023.303386][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9023.303386][ T10] ipv6_find_idev+0x102/0x170 [ 9023.303386][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9023.303386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9023.303386][ T10] netlink_rcv_skb+0x130/0x360 [ 9023.303386][ T10] netlink_unicast+0x449/0x710 [ 9023.303386][ T10] netlink_sendmsg+0x723/0xbe0 [ 9023.303386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9023.303386][ T10] ___sys_sendmsg+0xee/0x170 [ 9023.303386][ T10] __sys_sendmsg+0xcd/0x170 [ 9023.303386][ T10] do_syscall_64+0xc6/0x1e0 [ 9023.303386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9023.303386][ T10] [ 9030.193044][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9030.193458][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9030.193458][ T1167] dst_init+0x84/0x4a0 [ 9030.193458][ T1167] dst_alloc+0x97/0x150 [ 9030.193458][ T1167] ip6_dst_alloc+0x23/0x90 [ 9030.193458][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9030.193458][ T1167] ip6_pol_route+0x56f/0x840 [ 9030.193458][ T1167] fib6_rule_lookup+0x334/0x630 [ 9030.193458][ T1167] ip6_route_output_flags+0x259/0x480 [ 9030.193458][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9030.193458][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9030.193458][ T1167] netlink_rcv_skb+0x130/0x360 [ 9030.193458][ T1167] netlink_unicast+0x449/0x710 [ 9030.193458][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9030.193458][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9030.193458][ T1167] ___sys_sendmsg+0xee/0x170 [ 9030.193458][ T1167] __sys_sendmsg+0xcd/0x170 [ 9030.193458][ T1167] do_syscall_64+0xc6/0x1e0 [ 9030.193458][ T1167] [ 9030.195649][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9030.195649][ T1167] netdev_get_by_index+0x5e/0x80 [ 9030.195649][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9030.195649][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9030.195649][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9030.195649][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9030.195649][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9030.195649][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9030.195649][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9030.195649][ T1167] addrconf_dad_begin+0x310/0x670 [ 9030.195649][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9030.195649][ T1167] process_one_work+0x84d/0x18a0 [ 9030.195649][ T1167] worker_thread+0x587/0xd30 [ 9030.195649][ T1167] kthread+0x28a/0x350 [ 9030.195649][ T1167] ret_from_fork+0x31/0x70 [ 9030.195649][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9030.195649][ T1167] [ 9030.197794][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9030.197794][ T1167] netdev_get_by_index+0x5e/0x80 [ 9030.197794][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9030.197794][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9030.197794][ T1167] ip6_route_add+0x1c/0x140 [ 9030.197794][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9030.197794][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9030.197794][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9030.197794][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9030.197794][ T1167] netlink_rcv_skb+0x130/0x360 [ 9030.197794][ T1167] netlink_unicast+0x449/0x710 [ 9030.197794][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9030.197794][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9030.197794][ T1167] ___sys_sendmsg+0xee/0x170 [ 9030.197794][ T1167] __sys_sendmsg+0xcd/0x170 [ 9030.197794][ T1167] do_syscall_64+0xc6/0x1e0 [ 9030.197794][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9030.197794][ T1167] [ 9030.200032][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9030.200032][ T1167] netdev_get_by_index+0x5e/0x80 [ 9030.200032][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9030.200032][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9030.200032][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9030.200032][ T1167] ipv6_add_addr+0x411/0x2000 [ 9030.200032][ T1167] inet6_addr_add+0x30e/0xa40 [ 9030.200032][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9030.200032][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9030.200032][ T1167] netlink_rcv_skb+0x130/0x360 [ 9030.200032][ T1167] netlink_unicast+0x449/0x710 [ 9030.200032][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9030.200032][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9030.200032][ T1167] ___sys_sendmsg+0xee/0x170 [ 9030.200032][ T1167] __sys_sendmsg+0xcd/0x170 [ 9030.200032][ T1167] do_syscall_64+0xc6/0x1e0 [ 9030.200032][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9030.200032][ T1167] [ 9030.202267][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9030.202267][ T1167] netdev_get_by_index+0x5e/0x80 [ 9030.202267][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9030.202267][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9030.202267][ T1167] ip6_route_add+0x1c/0x140 [ 9030.202267][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9030.202267][ T1167] addrconf_add_dev+0xe2/0x170 [ 9030.202267][ T1167] inet6_addr_add+0x12f/0xa40 [ 9030.202267][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9030.202267][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9030.202267][ T1167] netlink_rcv_skb+0x130/0x360 [ 9030.202267][ T1167] netlink_unicast+0x449/0x710 [ 9030.202267][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9030.202267][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9030.202267][ T1167] ___sys_sendmsg+0xee/0x170 [ 9030.202267][ T1167] __sys_sendmsg+0xcd/0x170 [ 9030.202267][ T1167] do_syscall_64+0xc6/0x1e0 [ 9030.202267][ T1167] [ 9030.204462][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9030.204462][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9030.204462][ T1167] ipv6_find_idev+0x102/0x170 [ 9030.204462][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9030.204462][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9030.204462][ T1167] netlink_rcv_skb+0x130/0x360 [ 9030.204462][ T1167] netlink_unicast+0x449/0x710 [ 9030.204462][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9030.204462][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9030.204462][ T1167] ___sys_sendmsg+0xee/0x170 [ 9030.204462][ T1167] __sys_sendmsg+0xcd/0x170 [ 9030.204462][ T1167] do_syscall_64+0xc6/0x1e0 [ 9030.204462][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9030.204462][ T1167] [ 9030.206712][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9030.206712][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9030.206712][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9030.206712][ T1167] ipv6_find_idev+0x102/0x170 [ 9030.206712][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9030.206712][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9030.206712][ T1167] netlink_rcv_skb+0x130/0x360 [ 9030.206712][ T1167] netlink_unicast+0x449/0x710 [ 9030.206712][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9030.206712][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9030.206712][ T1167] ___sys_sendmsg+0xee/0x170 [ 9030.206712][ T1167] __sys_sendmsg+0xcd/0x170 [ 9030.206712][ T1167] do_syscall_64+0xc6/0x1e0 [ 9030.206712][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9030.206712][ T1167] [ 9033.545174][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9033.545599][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9033.545599][ T10] netdev_get_by_index+0x5e/0x80 [ 9033.545599][ T10] fib6_nh_init+0x3d8/0x1580 [ 9033.545599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9033.545599][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9033.545599][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9033.545599][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9033.545599][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9033.545599][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9033.545599][ T10] addrconf_dad_begin+0x310/0x670 [ 9033.545599][ T10] addrconf_dad_work+0x10b/0xab0 [ 9033.545599][ T10] process_one_work+0x84d/0x18a0 [ 9033.545599][ T10] worker_thread+0x587/0xd30 [ 9033.545599][ T10] kthread+0x28a/0x350 [ 9033.545599][ T10] ret_from_fork+0x31/0x70 [ 9033.545599][ T10] ret_from_fork_asm+0x1a/0x30 [ 9033.545599][ T10] [ 9033.547578][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9033.547578][ T10] netdev_get_by_index+0x5e/0x80 [ 9033.547578][ T10] fib6_nh_init+0x3d8/0x1580 [ 9033.547578][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9033.547578][ T10] ip6_route_add+0x1c/0x140 [ 9033.547578][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9033.547578][ T10] inet6_addr_add+0x4f8/0xa40 [ 9033.547578][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9033.547578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9033.547578][ T10] netlink_rcv_skb+0x130/0x360 [ 9033.547578][ T10] netlink_unicast+0x449/0x710 [ 9033.547578][ T10] netlink_sendmsg+0x723/0xbe0 [ 9033.547578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9033.547578][ T10] ___sys_sendmsg+0xee/0x170 [ 9033.547578][ T10] __sys_sendmsg+0xcd/0x170 [ 9033.547578][ T10] do_syscall_64+0xc6/0x1e0 [ 9033.547578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9033.547578][ T10] [ 9033.549591][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9033.549591][ T10] netdev_get_by_index+0x5e/0x80 [ 9033.549591][ T10] fib6_nh_init+0x3d8/0x1580 [ 9033.549591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9033.549591][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9033.549591][ T10] ipv6_add_addr+0x411/0x2000 [ 9033.549591][ T10] inet6_addr_add+0x30e/0xa40 [ 9033.549591][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9033.549591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9033.549591][ T10] netlink_rcv_skb+0x130/0x360 [ 9033.549591][ T10] netlink_unicast+0x449/0x710 [ 9033.549591][ T10] netlink_sendmsg+0x723/0xbe0 [ 9033.549591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9033.549591][ T10] ___sys_sendmsg+0xee/0x170 [ 9033.549591][ T10] __sys_sendmsg+0xcd/0x170 [ 9033.549591][ T10] do_syscall_64+0xc6/0x1e0 [ 9033.549591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9033.549591][ T10] [ 9033.551595][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9033.551595][ T10] netdev_get_by_index+0x5e/0x80 [ 9033.551595][ T10] fib6_nh_init+0x3d8/0x1580 [ 9033.551595][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9033.551595][ T10] ip6_route_add+0x1c/0x140 [ 9033.551595][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9033.551595][ T10] addrconf_add_dev+0xe2/0x170 [ 9033.551595][ T10] inet6_addr_add+0x12f/0xa40 [ 9033.551595][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9033.551595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9033.551595][ T10] netlink_rcv_skb+0x130/0x360 [ 9033.551595][ T10] netlink_unicast+0x449/0x710 [ 9033.551595][ T10] netlink_sendmsg+0x723/0xbe0 [ 9033.551595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9033.551595][ T10] ___sys_sendmsg+0xee/0x170 [ 9033.551595][ T10] __sys_sendmsg+0xcd/0x170 [ 9033.551595][ T10] do_syscall_64+0xc6/0x1e0 [ 9033.551595][ T10] [ 9033.553572][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9033.553572][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9033.553572][ T10] ipv6_find_idev+0x102/0x170 [ 9033.553572][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9033.553572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9033.553572][ T10] netlink_rcv_skb+0x130/0x360 [ 9033.553572][ T10] netlink_unicast+0x449/0x710 [ 9033.553572][ T10] netlink_sendmsg+0x723/0xbe0 [ 9033.553572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9033.553572][ T10] ___sys_sendmsg+0xee/0x170 [ 9033.553572][ T10] __sys_sendmsg+0xcd/0x170 [ 9033.553572][ T10] do_syscall_64+0xc6/0x1e0 [ 9033.553572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9033.553572][ T10] [ 9033.555120][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9033.555120][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9033.555120][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9033.555120][ T10] ipv6_find_idev+0x102/0x170 [ 9033.555120][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9033.555120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9033.555120][ T10] netlink_rcv_skb+0x130/0x360 [ 9033.555120][ T10] netlink_unicast+0x449/0x710 [ 9033.555120][ T10] netlink_sendmsg+0x723/0xbe0 [ 9033.555120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9033.555120][ T10] ___sys_sendmsg+0xee/0x170 [ 9033.555120][ T10] __sys_sendmsg+0xcd/0x170 [ 9033.555120][ T10] do_syscall_64+0xc6/0x1e0 [ 9033.555120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9033.555120][ T10] [ 9033.556845][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9033.557099][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9033.557099][ T10] netdev_get_by_index+0x5e/0x80 [ 9033.557099][ T10] fib6_nh_init+0x3d8/0x1580 [ 9033.557099][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9033.557099][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9033.557099][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9033.557099][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9033.557099][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9033.557099][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9033.557099][ T10] addrconf_dad_begin+0x310/0x670 [ 9033.557099][ T10] addrconf_dad_work+0x10b/0xab0 [ 9033.557099][ T10] process_one_work+0x84d/0x18a0 [ 9033.557099][ T10] worker_thread+0x587/0xd30 [ 9033.557099][ T10] kthread+0x28a/0x350 [ 9033.557099][ T10] ret_from_fork+0x31/0x70 [ 9033.557099][ T10] ret_from_fork_asm+0x1a/0x30 [ 9033.557099][ T10] [ 9033.559017][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9033.559017][ T10] netdev_get_by_index+0x5e/0x80 [ 9033.559017][ T10] fib6_nh_init+0x3d8/0x1580 [ 9033.559017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9033.559017][ T10] ip6_route_add+0x1c/0x140 [ 9033.559017][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9033.559017][ T10] inet6_addr_add+0x4f8/0xa40 [ 9033.559017][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9033.559017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9033.559017][ T10] netlink_rcv_skb+0x130/0x360 [ 9033.559017][ T10] netlink_unicast+0x449/0x710 [ 9033.559017][ T10] netlink_sendmsg+0x723/0xbe0 [ 9033.559017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9033.559017][ T10] ___sys_sendmsg+0xee/0x170 [ 9033.559017][ T10] __sys_sendmsg+0xcd/0x170 [ 9033.559017][ T10] do_syscall_64+0xc6/0x1e0 [ 9033.559017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9033.559017][ T10] [ 9033.561021][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9033.561021][ T10] netdev_get_by_index+0x5e/0x80 [ 9033.561021][ T10] fib6_nh_init+0x3d8/0x1580 [ 9033.561021][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9033.561021][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9033.561021][ T10] ipv6_add_addr+0x411/0x2000 [ 9033.561021][ T10] inet6_addr_add+0x30e/0xa40 [ 9033.561021][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9033.561021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9033.561021][ T10] netlink_rcv_skb+0x130/0x360 [ 9033.561021][ T10] netlink_unicast+0x449/0x710 [ 9033.561021][ T10] netlink_sendmsg+0x723/0xbe0 [ 9033.561021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9033.561021][ T10] ___sys_sendmsg+0xee/0x170 [ 9033.561021][ T10] __sys_sendmsg+0xcd/0x170 [ 9033.561021][ T10] do_syscall_64+0xc6/0x1e0 [ 9033.561021][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9033.561021][ T10] [ 9033.563025][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9033.563025][ T10] netdev_get_by_index+0x5e/0x80 [ 9033.563025][ T10] fib6_nh_init+0x3d8/0x1580 [ 9033.563025][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9033.563025][ T10] ip6_route_add+0x1c/0x140 [ 9033.563025][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9033.563025][ T10] addrconf_add_dev+0xe2/0x170 [ 9033.563025][ T10] inet6_addr_add+0x12f/0xa40 [ 9033.563025][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9033.563025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9033.563025][ T10] netlink_rcv_skb+0x130/0x360 [ 9033.563025][ T10] netlink_unicast+0x449/0x710 [ 9033.563025][ T10] netlink_sendmsg+0x723/0xbe0 [ 9033.563025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9033.563025][ T10] ___sys_sendmsg+0xee/0x170 [ 9033.563025][ T10] __sys_sendmsg+0xcd/0x170 [ 9033.563025][ T10] do_syscall_64+0xc6/0x1e0 [ 9033.563025][ T10] [ 9033.564996][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9033.564996][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9033.564996][ T10] ipv6_find_idev+0x102/0x170 [ 9033.564996][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9033.564996][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9033.564996][ T10] netlink_rcv_skb+0x130/0x360 [ 9033.564996][ T10] netlink_unicast+0x449/0x710 [ 9033.564996][ T10] netlink_sendmsg+0x723/0xbe0 [ 9033.564996][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9033.564996][ T10] ___sys_sendmsg+0xee/0x170 [ 9033.564996][ T10] __sys_sendmsg+0xcd/0x170 [ 9033.564996][ T10] do_syscall_64+0xc6/0x1e0 [ 9033.564996][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9033.564996][ T10] [ 9033.566546][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9033.566546][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9033.566546][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9033.566546][ T10] ipv6_find_idev+0x102/0x170 [ 9033.566546][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9033.566546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9033.566546][ T10] netlink_rcv_skb+0x130/0x360 [ 9033.566546][ T10] netlink_unicast+0x449/0x710 [ 9033.566546][ T10] netlink_sendmsg+0x723/0xbe0 [ 9033.566546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9033.566546][ T10] ___sys_sendmsg+0xee/0x170 [ 9033.566546][ T10] __sys_sendmsg+0xcd/0x170 [ 9033.566546][ T10] do_syscall_64+0xc6/0x1e0 [ 9033.566546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9033.566546][ T10] [ 9033.568231][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9033.568476][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9033.568476][ T10] netdev_get_by_index+0x5e/0x80 [ 9033.568476][ T10] fib6_nh_init+0x3d8/0x1580 [ 9033.568476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9033.568476][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9033.568476][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9033.568476][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9033.568476][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9033.568476][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9033.568476][ T10] addrconf_dad_begin+0x310/0x670 [ 9033.568476][ T10] addrconf_dad_work+0x10b/0xab0 [ 9033.568476][ T10] process_one_work+0x84d/0x18a0 [ 9033.568476][ T10] worker_thread+0x587/0xd30 [ 9033.568476][ T10] kthread+0x28a/0x350 [ 9033.568476][ T10] ret_from_fork+0x31/0x70 [ 9033.568476][ T10] ret_from_fork_asm+0x1a/0x30 [ 9033.568476][ T10] [ 9033.570400][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9033.570400][ T10] netdev_get_by_index+0x5e/0x80 [ 9033.570400][ T10] fib6_nh_init+0x3d8/0x1580 [ 9033.570400][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9033.570400][ T10] ip6_route_add+0x1c/0x140 [ 9033.570400][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9033.570400][ T10] inet6_addr_add+0x4f8/0xa40 [ 9033.570400][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9033.570400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9033.570400][ T10] netlink_rcv_skb+0x130/0x360 [ 9033.570400][ T10] netlink_unicast+0x449/0x710 [ 9033.570400][ T10] netlink_sendmsg+0x723/0xbe0 [ 9033.570400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9033.570400][ T10] ___sys_sendmsg+0xee/0x170 [ 9033.570400][ T10] __sys_sendmsg+0xcd/0x170 [ 9033.570400][ T10] do_syscall_64+0xc6/0x1e0 [ 9033.570400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9033.570400][ T10] [ 9033.573108][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9033.573108][ T10] netdev_get_by_index+0x5e/0x80 [ 9033.573108][ T10] fib6_nh_init+0x3d8/0x1580 [ 9033.573108][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9033.573108][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9033.573108][ T10] ipv6_add_addr+0x411/0x2000 [ 9033.573108][ T10] inet6_addr_add+0x30e/0xa40 [ 9033.573108][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9033.573108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9033.573108][ T10] netlink_rcv_skb+0x130/0x360 [ 9033.573108][ T10] netlink_unicast+0x449/0x710 [ 9033.573108][ T10] netlink_sendmsg+0x723/0xbe0 [ 9033.573108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9033.573108][ T10] ___sys_sendmsg+0xee/0x170 [ 9033.573108][ T10] __sys_sendmsg+0xcd/0x170 [ 9033.573108][ T10] do_syscall_64+0xc6/0x1e0 [ 9033.573108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9033.573108][ T10] [ 9033.575413][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9033.575413][ T10] netdev_get_by_index+0x5e/0x80 [ 9033.575413][ T10] fib6_nh_init+0x3d8/0x1580 [ 9033.575413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9033.575413][ T10] ip6_route_add+0x1c/0x140 [ 9033.575413][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9033.575413][ T10] addrconf_add_dev+0xe2/0x170 [ 9033.575413][ T10] inet6_addr_add+0x12f/0xa40 [ 9033.575413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9033.575413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9033.575413][ T10] netlink_rcv_skb+0x130/0x360 [ 9033.575413][ T10] netlink_unicast+0x449/0x710 [ 9033.575413][ T10] netlink_sendmsg+0x723/0xbe0 [ 9033.575413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9033.575413][ T10] ___sys_sendmsg+0xee/0x170 [ 9033.575413][ T10] __sys_sendmsg+0xcd/0x170 [ 9033.575413][ T10] do_syscall_64+0xc6/0x1e0 [ 9033.575413][ T10] [ 9033.577566][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9033.577566][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9033.577566][ T10] ipv6_find_idev+0x102/0x170 [ 9033.577566][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9033.577566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9033.577566][ T10] netlink_rcv_skb+0x130/0x360 [ 9033.577566][ T10] netlink_unicast+0x449/0x710 [ 9033.577566][ T10] netlink_sendmsg+0x723/0xbe0 [ 9033.577566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9033.577566][ T10] ___sys_sendmsg+0xee/0x170 [ 9033.577566][ T10] __sys_sendmsg+0xcd/0x170 [ 9033.577566][ T10] do_syscall_64+0xc6/0x1e0 [ 9033.577566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9033.577566][ T10] [ 9033.579289][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9033.579289][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9033.579289][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9033.579289][ T10] ipv6_find_idev+0x102/0x170 [ 9033.579289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9033.579289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9033.579289][ T10] netlink_rcv_skb+0x130/0x360 [ 9033.579289][ T10] netlink_unicast+0x449/0x710 [ 9033.579289][ T10] netlink_sendmsg+0x723/0xbe0 [ 9033.579289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9033.579289][ T10] ___sys_sendmsg+0xee/0x170 [ 9033.579289][ T10] __sys_sendmsg+0xcd/0x170 [ 9033.579289][ T10] do_syscall_64+0xc6/0x1e0 [ 9033.579289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9033.579289][ T10] [ 9033.581217][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9033.581458][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9033.581458][ T10] netdev_get_by_index+0x5e/0x80 [ 9033.581458][ T10] fib6_nh_init+0x3d8/0x1580 [ 9033.581458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9033.581458][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9033.581458][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9033.581458][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9033.581458][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9033.581458][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9033.581458][ T10] addrconf_dad_begin+0x310/0x670 [ 9033.581458][ T10] addrconf_dad_work+0x10b/0xab0 [ 9033.581458][ T10] process_one_work+0x84d/0x18a0 [ 9033.581458][ T10] worker_thread+0x587/0xd30 [ 9033.581458][ T10] kthread+0x28a/0x350 [ 9033.581458][ T10] ret_from_fork+0x31/0x70 [ 9033.581458][ T10] ret_from_fork_asm+0x1a/0x30 [ 9033.581458][ T10] [ 9033.583680][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9033.583680][ T10] netdev_get_by_index+0x5e/0x80 [ 9033.583680][ T10] fib6_nh_init+0x3d8/0x1580 [ 9033.583680][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9033.583680][ T10] ip6_route_add+0x1c/0x140 [ 9033.583680][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9033.583680][ T10] inet6_addr_add+0x4f8/0xa40 [ 9033.583680][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9033.583680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9033.583680][ T10] netlink_rcv_skb+0x130/0x360 [ 9033.583680][ T10] netlink_unicast+0x449/0x710 [ 9033.583680][ T10] netlink_sendmsg+0x723/0xbe0 [ 9033.583680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9033.583680][ T10] ___sys_sendmsg+0xee/0x170 [ 9033.583680][ T10] __sys_sendmsg+0xcd/0x170 [ 9033.583680][ T10] do_syscall_64+0xc6/0x1e0 [ 9033.583680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9033.583680][ T10] [ 9033.585863][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9033.585863][ T10] netdev_get_by_index+0x5e/0x80 [ 9033.585863][ T10] fib6_nh_init+0x3d8/0x1580 [ 9033.585863][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9033.585863][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9033.585863][ T10] ipv6_add_addr+0x411/0x2000 [ 9033.585863][ T10] inet6_addr_add+0x30e/0xa40 [ 9033.585863][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9033.585863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9033.585863][ T10] netlink_rcv_skb+0x130/0x360 [ 9033.585863][ T10] netlink_unicast+0x449/0x710 [ 9033.585863][ T10] netlink_sendmsg+0x723/0xbe0 [ 9033.585863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9033.585863][ T10] ___sys_sendmsg+0xee/0x170 [ 9033.585863][ T10] __sys_sendmsg+0xcd/0x170 [ 9033.585863][ T10] do_syscall_64+0xc6/0x1e0 [ 9033.585863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9033.585863][ T10] [ 9033.588123][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9033.588123][ T10] netdev_get_by_index+0x5e/0x80 [ 9033.588123][ T10] fib6_nh_init+0x3d8/0x1580 [ 9033.588123][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9033.588123][ T10] ip6_route_add+0x1c/0x140 [ 9033.588123][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9033.588123][ T10] addrconf_add_dev+0xe2/0x170 [ 9033.588123][ T10] inet6_addr_add+0x12f/0xa40 [ 9033.588123][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9033.588123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9033.588123][ T10] netlink_rcv_skb+0x130/0x360 [ 9033.588123][ T10] netlink_unicast+0x449/0x710 [ 9033.588123][ T10] netlink_sendmsg+0x723/0xbe0 [ 9033.588123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9033.588123][ T10] ___sys_sendmsg+0xee/0x170 [ 9033.588123][ T10] __sys_sendmsg+0xcd/0x170 [ 9033.588123][ T10] do_syscall_64+0xc6/0x1e0 [ 9033.588123][ T10] [ 9033.590337][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9033.590337][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9033.590337][ T10] ipv6_find_idev+0x102/0x170 [ 9033.590337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9033.590337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9033.590337][ T10] netlink_rcv_skb+0x130/0x360 [ 9033.590337][ T10] netlink_unicast+0x449/0x710 [ 9033.590337][ T10] netlink_sendmsg+0x723/0xbe0 [ 9033.590337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9033.590337][ T10] ___sys_sendmsg+0xee/0x170 [ 9033.590337][ T10] __sys_sendmsg+0xcd/0x170 [ 9033.590337][ T10] do_syscall_64+0xc6/0x1e0 [ 9033.590337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9033.590337][ T10] [ 9033.592062][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9033.592062][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9033.592062][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9033.592062][ T10] ipv6_find_idev+0x102/0x170 [ 9033.592062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9033.592062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9033.592062][ T10] netlink_rcv_skb+0x130/0x360 [ 9033.592062][ T10] netlink_unicast+0x449/0x710 [ 9033.592062][ T10] netlink_sendmsg+0x723/0xbe0 [ 9033.592062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9033.592062][ T10] ___sys_sendmsg+0xee/0x170 [ 9033.592062][ T10] __sys_sendmsg+0xcd/0x170 [ 9033.592062][ T10] do_syscall_64+0xc6/0x1e0 [ 9033.592062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9033.592062][ T10] [ 9040.449048][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9040.449525][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9040.449525][ T1167] dst_init+0x84/0x4a0 [ 9040.449525][ T1167] dst_alloc+0x97/0x150 [ 9040.449525][ T1167] ip6_dst_alloc+0x23/0x90 [ 9040.449525][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9040.449525][ T1167] ip6_pol_route+0x56f/0x840 [ 9040.449525][ T1167] fib6_rule_lookup+0x334/0x630 [ 9040.449525][ T1167] ip6_route_output_flags+0x259/0x480 [ 9040.449525][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9040.449525][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9040.449525][ T1167] netlink_rcv_skb+0x130/0x360 [ 9040.449525][ T1167] netlink_unicast+0x449/0x710 [ 9040.449525][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9040.449525][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9040.449525][ T1167] ___sys_sendmsg+0xee/0x170 [ 9040.449525][ T1167] __sys_sendmsg+0xcd/0x170 [ 9040.449525][ T1167] do_syscall_64+0xc6/0x1e0 [ 9040.449525][ T1167] [ 9040.451723][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9040.451723][ T1167] netdev_get_by_index+0x5e/0x80 [ 9040.451723][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9040.451723][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9040.451723][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9040.451723][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9040.451723][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9040.451723][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9040.451723][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9040.451723][ T1167] addrconf_dad_begin+0x310/0x670 [ 9040.451723][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9040.451723][ T1167] process_one_work+0x84d/0x18a0 [ 9040.451723][ T1167] worker_thread+0x587/0xd30 [ 9040.451723][ T1167] kthread+0x28a/0x350 [ 9040.451723][ T1167] ret_from_fork+0x31/0x70 [ 9040.451723][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9040.451723][ T1167] [ 9040.453858][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9040.453858][ T1167] netdev_get_by_index+0x5e/0x80 [ 9040.453858][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9040.453858][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9040.453858][ T1167] ip6_route_add+0x1c/0x140 [ 9040.453858][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9040.453858][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9040.453858][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9040.453858][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9040.453858][ T1167] netlink_rcv_skb+0x130/0x360 [ 9040.453858][ T1167] netlink_unicast+0x449/0x710 [ 9040.453858][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9040.453858][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9040.453858][ T1167] ___sys_sendmsg+0xee/0x170 [ 9040.453858][ T1167] __sys_sendmsg+0xcd/0x170 [ 9040.453858][ T1167] do_syscall_64+0xc6/0x1e0 [ 9040.453858][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9040.453858][ T1167] [ 9040.456100][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9040.456100][ T1167] netdev_get_by_index+0x5e/0x80 [ 9040.456100][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9040.456100][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9040.456100][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9040.456100][ T1167] ipv6_add_addr+0x411/0x2000 [ 9040.456100][ T1167] inet6_addr_add+0x30e/0xa40 [ 9040.456100][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9040.456100][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9040.456100][ T1167] netlink_rcv_skb+0x130/0x360 [ 9040.456100][ T1167] netlink_unicast+0x449/0x710 [ 9040.456100][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9040.456100][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9040.456100][ T1167] ___sys_sendmsg+0xee/0x170 [ 9040.456100][ T1167] __sys_sendmsg+0xcd/0x170 [ 9040.456100][ T1167] do_syscall_64+0xc6/0x1e0 [ 9040.456100][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9040.456100][ T1167] [ 9040.458333][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9040.458333][ T1167] netdev_get_by_index+0x5e/0x80 [ 9040.458333][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9040.458333][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9040.458333][ T1167] ip6_route_add+0x1c/0x140 [ 9040.458333][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9040.458333][ T1167] addrconf_add_dev+0xe2/0x170 [ 9040.458333][ T1167] inet6_addr_add+0x12f/0xa40 [ 9040.458333][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9040.458333][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9040.458333][ T1167] netlink_rcv_skb+0x130/0x360 [ 9040.458333][ T1167] netlink_unicast+0x449/0x710 [ 9040.458333][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9040.458333][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9040.458333][ T1167] ___sys_sendmsg+0xee/0x170 [ 9040.458333][ T1167] __sys_sendmsg+0xcd/0x170 [ 9040.458333][ T1167] do_syscall_64+0xc6/0x1e0 [ 9040.458333][ T1167] [ 9040.460538][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9040.460538][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9040.460538][ T1167] ipv6_find_idev+0x102/0x170 [ 9040.460538][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9040.460538][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9040.460538][ T1167] netlink_rcv_skb+0x130/0x360 [ 9040.460538][ T1167] netlink_unicast+0x449/0x710 [ 9040.460538][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9040.460538][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9040.460538][ T1167] ___sys_sendmsg+0xee/0x170 [ 9040.460538][ T1167] __sys_sendmsg+0xcd/0x170 [ 9040.460538][ T1167] do_syscall_64+0xc6/0x1e0 [ 9040.460538][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9040.460538][ T1167] [ 9040.462259][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9040.462259][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9040.462259][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9040.462259][ T1167] ipv6_find_idev+0x102/0x170 [ 9040.462259][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9040.462259][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9040.462259][ T1167] netlink_rcv_skb+0x130/0x360 [ 9040.462259][ T1167] netlink_unicast+0x449/0x710 [ 9040.462259][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9040.462259][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9040.462259][ T1167] ___sys_sendmsg+0xee/0x170 [ 9040.462259][ T1167] __sys_sendmsg+0xcd/0x170 [ 9040.462259][ T1167] do_syscall_64+0xc6/0x1e0 [ 9040.462259][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9040.462259][ T1167] [ 9043.833104][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9043.833518][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9043.833518][ T10] netdev_get_by_index+0x5e/0x80 [ 9043.833518][ T10] fib6_nh_init+0x3d8/0x1580 [ 9043.833518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9043.833518][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9043.833518][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9043.833518][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9043.833518][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9043.833518][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9043.833518][ T10] addrconf_dad_begin+0x310/0x670 [ 9043.833518][ T10] addrconf_dad_work+0x10b/0xab0 [ 9043.833518][ T10] process_one_work+0x84d/0x18a0 [ 9043.833518][ T10] worker_thread+0x587/0xd30 [ 9043.833518][ T10] kthread+0x28a/0x350 [ 9043.833518][ T10] ret_from_fork+0x31/0x70 [ 9043.833518][ T10] ret_from_fork_asm+0x1a/0x30 [ 9043.833518][ T10] [ 9043.835465][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9043.835465][ T10] netdev_get_by_index+0x5e/0x80 [ 9043.835465][ T10] fib6_nh_init+0x3d8/0x1580 [ 9043.835465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9043.835465][ T10] ip6_route_add+0x1c/0x140 [ 9043.835465][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9043.835465][ T10] inet6_addr_add+0x4f8/0xa40 [ 9043.835465][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9043.835465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9043.835465][ T10] netlink_rcv_skb+0x130/0x360 [ 9043.835465][ T10] netlink_unicast+0x449/0x710 [ 9043.835465][ T10] netlink_sendmsg+0x723/0xbe0 [ 9043.835465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9043.835465][ T10] ___sys_sendmsg+0xee/0x170 [ 9043.835465][ T10] __sys_sendmsg+0xcd/0x170 [ 9043.835465][ T10] do_syscall_64+0xc6/0x1e0 [ 9043.835465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9043.835465][ T10] [ 9043.837495][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9043.837495][ T10] netdev_get_by_index+0x5e/0x80 [ 9043.837495][ T10] fib6_nh_init+0x3d8/0x1580 [ 9043.837495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9043.837495][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9043.837495][ T10] ipv6_add_addr+0x411/0x2000 [ 9043.837495][ T10] inet6_addr_add+0x30e/0xa40 [ 9043.837495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9043.837495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9043.837495][ T10] netlink_rcv_skb+0x130/0x360 [ 9043.837495][ T10] netlink_unicast+0x449/0x710 [ 9043.837495][ T10] netlink_sendmsg+0x723/0xbe0 [ 9043.837495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9043.837495][ T10] ___sys_sendmsg+0xee/0x170 [ 9043.837495][ T10] __sys_sendmsg+0xcd/0x170 [ 9043.837495][ T10] do_syscall_64+0xc6/0x1e0 [ 9043.837495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9043.837495][ T10] [ 9043.839502][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9043.839502][ T10] netdev_get_by_index+0x5e/0x80 [ 9043.839502][ T10] fib6_nh_init+0x3d8/0x1580 [ 9043.839502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9043.839502][ T10] ip6_route_add+0x1c/0x140 [ 9043.839502][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9043.839502][ T10] addrconf_add_dev+0xe2/0x170 [ 9043.839502][ T10] inet6_addr_add+0x12f/0xa40 [ 9043.839502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9043.839502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9043.839502][ T10] netlink_rcv_skb+0x130/0x360 [ 9043.839502][ T10] netlink_unicast+0x449/0x710 [ 9043.839502][ T10] netlink_sendmsg+0x723/0xbe0 [ 9043.839502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9043.839502][ T10] ___sys_sendmsg+0xee/0x170 [ 9043.839502][ T10] __sys_sendmsg+0xcd/0x170 [ 9043.839502][ T10] do_syscall_64+0xc6/0x1e0 [ 9043.839502][ T10] [ 9043.841481][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9043.841481][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9043.841481][ T10] ipv6_find_idev+0x102/0x170 [ 9043.841481][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9043.841481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9043.841481][ T10] netlink_rcv_skb+0x130/0x360 [ 9043.841481][ T10] netlink_unicast+0x449/0x710 [ 9043.841481][ T10] netlink_sendmsg+0x723/0xbe0 [ 9043.841481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9043.841481][ T10] ___sys_sendmsg+0xee/0x170 [ 9043.841481][ T10] __sys_sendmsg+0xcd/0x170 [ 9043.841481][ T10] do_syscall_64+0xc6/0x1e0 [ 9043.841481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9043.841481][ T10] [ 9043.843028][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9043.843028][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9043.843028][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9043.843028][ T10] ipv6_find_idev+0x102/0x170 [ 9043.843028][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9043.843028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9043.843028][ T10] netlink_rcv_skb+0x130/0x360 [ 9043.843028][ T10] netlink_unicast+0x449/0x710 [ 9043.843028][ T10] netlink_sendmsg+0x723/0xbe0 [ 9043.843028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9043.843028][ T10] ___sys_sendmsg+0xee/0x170 [ 9043.843028][ T10] __sys_sendmsg+0xcd/0x170 [ 9043.843028][ T10] do_syscall_64+0xc6/0x1e0 [ 9043.843028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9043.843028][ T10] [ 9043.844829][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9043.845083][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9043.845083][ T10] netdev_get_by_index+0x5e/0x80 [ 9043.845083][ T10] fib6_nh_init+0x3d8/0x1580 [ 9043.845083][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9043.845083][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9043.845083][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9043.845083][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9043.845083][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9043.845083][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9043.845083][ T10] addrconf_dad_begin+0x310/0x670 [ 9043.845083][ T10] addrconf_dad_work+0x10b/0xab0 [ 9043.845083][ T10] process_one_work+0x84d/0x18a0 [ 9043.845083][ T10] worker_thread+0x587/0xd30 [ 9043.845083][ T10] kthread+0x28a/0x350 [ 9043.845083][ T10] ret_from_fork+0x31/0x70 [ 9043.845083][ T10] ret_from_fork_asm+0x1a/0x30 [ 9043.845083][ T10] [ 9043.847007][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9043.847007][ T10] netdev_get_by_index+0x5e/0x80 [ 9043.847007][ T10] fib6_nh_init+0x3d8/0x1580 [ 9043.847007][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9043.847007][ T10] ip6_route_add+0x1c/0x140 [ 9043.847007][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9043.847007][ T10] inet6_addr_add+0x4f8/0xa40 [ 9043.847007][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9043.847007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9043.847007][ T10] netlink_rcv_skb+0x130/0x360 [ 9043.847007][ T10] netlink_unicast+0x449/0x710 [ 9043.847007][ T10] netlink_sendmsg+0x723/0xbe0 [ 9043.847007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9043.847007][ T10] ___sys_sendmsg+0xee/0x170 [ 9043.847007][ T10] __sys_sendmsg+0xcd/0x170 [ 9043.847007][ T10] do_syscall_64+0xc6/0x1e0 [ 9043.847007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9043.847007][ T10] [ 9043.849004][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9043.849004][ T10] netdev_get_by_index+0x5e/0x80 [ 9043.849004][ T10] fib6_nh_init+0x3d8/0x1580 [ 9043.849004][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9043.849004][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9043.849004][ T10] ipv6_add_addr+0x411/0x2000 [ 9043.849004][ T10] inet6_addr_add+0x30e/0xa40 [ 9043.849004][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9043.849004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9043.849004][ T10] netlink_rcv_skb+0x130/0x360 [ 9043.849004][ T10] netlink_unicast+0x449/0x710 [ 9043.849004][ T10] netlink_sendmsg+0x723/0xbe0 [ 9043.849004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9043.849004][ T10] ___sys_sendmsg+0xee/0x170 [ 9043.849004][ T10] __sys_sendmsg+0xcd/0x170 [ 9043.849004][ T10] do_syscall_64+0xc6/0x1e0 [ 9043.849004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9043.849004][ T10] [ 9043.851019][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9043.851019][ T10] netdev_get_by_index+0x5e/0x80 [ 9043.851019][ T10] fib6_nh_init+0x3d8/0x1580 [ 9043.851019][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9043.851019][ T10] ip6_route_add+0x1c/0x140 [ 9043.851019][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9043.851019][ T10] addrconf_add_dev+0xe2/0x170 [ 9043.851019][ T10] inet6_addr_add+0x12f/0xa40 [ 9043.851019][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9043.851019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9043.851019][ T10] netlink_rcv_skb+0x130/0x360 [ 9043.851019][ T10] netlink_unicast+0x449/0x710 [ 9043.851019][ T10] netlink_sendmsg+0x723/0xbe0 [ 9043.851019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9043.851019][ T10] ___sys_sendmsg+0xee/0x170 [ 9043.851019][ T10] __sys_sendmsg+0xcd/0x170 [ 9043.851019][ T10] do_syscall_64+0xc6/0x1e0 [ 9043.851019][ T10] [ 9043.852977][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9043.852977][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9043.852977][ T10] ipv6_find_idev+0x102/0x170 [ 9043.852977][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9043.852977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9043.852977][ T10] netlink_rcv_skb+0x130/0x360 [ 9043.852977][ T10] netlink_unicast+0x449/0x710 [ 9043.852977][ T10] netlink_sendmsg+0x723/0xbe0 [ 9043.852977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9043.852977][ T10] ___sys_sendmsg+0xee/0x170 [ 9043.852977][ T10] __sys_sendmsg+0xcd/0x170 [ 9043.852977][ T10] do_syscall_64+0xc6/0x1e0 [ 9043.852977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9043.852977][ T10] [ 9043.854519][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9043.854519][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9043.854519][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9043.854519][ T10] ipv6_find_idev+0x102/0x170 [ 9043.854519][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9043.854519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9043.854519][ T10] netlink_rcv_skb+0x130/0x360 [ 9043.854519][ T10] netlink_unicast+0x449/0x710 [ 9043.854519][ T10] netlink_sendmsg+0x723/0xbe0 [ 9043.854519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9043.854519][ T10] ___sys_sendmsg+0xee/0x170 [ 9043.854519][ T10] __sys_sendmsg+0xcd/0x170 [ 9043.854519][ T10] do_syscall_64+0xc6/0x1e0 [ 9043.854519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9043.854519][ T10] [ 9043.856222][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9043.856462][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9043.856462][ T10] netdev_get_by_index+0x5e/0x80 [ 9043.856462][ T10] fib6_nh_init+0x3d8/0x1580 [ 9043.856462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9043.856462][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9043.856462][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9043.856462][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9043.856462][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9043.856462][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9043.856462][ T10] addrconf_dad_begin+0x310/0x670 [ 9043.856462][ T10] addrconf_dad_work+0x10b/0xab0 [ 9043.856462][ T10] process_one_work+0x84d/0x18a0 [ 9043.856462][ T10] worker_thread+0x587/0xd30 [ 9043.856462][ T10] kthread+0x28a/0x350 [ 9043.856462][ T10] ret_from_fork+0x31/0x70 [ 9043.856462][ T10] ret_from_fork_asm+0x1a/0x30 [ 9043.856462][ T10] [ 9043.858377][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9043.858377][ T10] netdev_get_by_index+0x5e/0x80 [ 9043.858377][ T10] fib6_nh_init+0x3d8/0x1580 [ 9043.858377][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9043.858377][ T10] ip6_route_add+0x1c/0x140 [ 9043.858377][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9043.858377][ T10] inet6_addr_add+0x4f8/0xa40 [ 9043.858377][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9043.858377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9043.858377][ T10] netlink_rcv_skb+0x130/0x360 [ 9043.858377][ T10] netlink_unicast+0x449/0x710 [ 9043.858377][ T10] netlink_sendmsg+0x723/0xbe0 [ 9043.858377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9043.858377][ T10] ___sys_sendmsg+0xee/0x170 [ 9043.858377][ T10] __sys_sendmsg+0xcd/0x170 [ 9043.858377][ T10] do_syscall_64+0xc6/0x1e0 [ 9043.858377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9043.858377][ T10] [ 9043.860563][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9043.860563][ T10] netdev_get_by_index+0x5e/0x80 [ 9043.860563][ T10] fib6_nh_init+0x3d8/0x1580 [ 9043.860563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9043.860563][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9043.860563][ T10] ipv6_add_addr+0x411/0x2000 [ 9043.860563][ T10] inet6_addr_add+0x30e/0xa40 [ 9043.860563][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9043.860563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9043.860563][ T10] netlink_rcv_skb+0x130/0x360 [ 9043.860563][ T10] netlink_unicast+0x449/0x710 [ 9043.860563][ T10] netlink_sendmsg+0x723/0xbe0 [ 9043.860563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9043.860563][ T10] ___sys_sendmsg+0xee/0x170 [ 9043.860563][ T10] __sys_sendmsg+0xcd/0x170 [ 9043.860563][ T10] do_syscall_64+0xc6/0x1e0 [ 9043.860563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9043.860563][ T10] [ 9043.862860][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9043.862860][ T10] netdev_get_by_index+0x5e/0x80 [ 9043.862860][ T10] fib6_nh_init+0x3d8/0x1580 [ 9043.862860][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9043.862860][ T10] ip6_route_add+0x1c/0x140 [ 9043.862860][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9043.862860][ T10] addrconf_add_dev+0xe2/0x170 [ 9043.862860][ T10] inet6_addr_add+0x12f/0xa40 [ 9043.862860][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9043.862860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9043.862860][ T10] netlink_rcv_skb+0x130/0x360 [ 9043.862860][ T10] netlink_unicast+0x449/0x710 [ 9043.862860][ T10] netlink_sendmsg+0x723/0xbe0 [ 9043.862860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9043.862860][ T10] ___sys_sendmsg+0xee/0x170 [ 9043.862860][ T10] __sys_sendmsg+0xcd/0x170 [ 9043.862860][ T10] do_syscall_64+0xc6/0x1e0 [ 9043.862860][ T10] [ 9043.865001][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9043.865001][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9043.865001][ T10] ipv6_find_idev+0x102/0x170 [ 9043.865001][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9043.865001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9043.865001][ T10] netlink_rcv_skb+0x130/0x360 [ 9043.865001][ T10] netlink_unicast+0x449/0x710 [ 9043.865001][ T10] netlink_sendmsg+0x723/0xbe0 [ 9043.865001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9043.865001][ T10] ___sys_sendmsg+0xee/0x170 [ 9043.865001][ T10] __sys_sendmsg+0xcd/0x170 [ 9043.865001][ T10] do_syscall_64+0xc6/0x1e0 [ 9043.865001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9043.865001][ T10] [ 9043.866724][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9043.866724][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9043.866724][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9043.866724][ T10] ipv6_find_idev+0x102/0x170 [ 9043.866724][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9043.866724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9043.866724][ T10] netlink_rcv_skb+0x130/0x360 [ 9043.866724][ T10] netlink_unicast+0x449/0x710 [ 9043.866724][ T10] netlink_sendmsg+0x723/0xbe0 [ 9043.866724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9043.866724][ T10] ___sys_sendmsg+0xee/0x170 [ 9043.866724][ T10] __sys_sendmsg+0xcd/0x170 [ 9043.866724][ T10] do_syscall_64+0xc6/0x1e0 [ 9043.866724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9043.866724][ T10] [ 9043.869040][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9043.869687][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9043.869687][ T10] netdev_get_by_index+0x5e/0x80 [ 9043.869687][ T10] fib6_nh_init+0x3d8/0x1580 [ 9043.869687][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9043.869687][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9043.869687][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9043.869687][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9043.869687][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9043.869687][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9043.869687][ T10] addrconf_dad_begin+0x310/0x670 [ 9043.869687][ T10] addrconf_dad_work+0x10b/0xab0 [ 9043.869687][ T10] process_one_work+0x84d/0x18a0 [ 9043.869687][ T10] worker_thread+0x587/0xd30 [ 9043.869687][ T10] kthread+0x28a/0x350 [ 9043.869687][ T10] ret_from_fork+0x31/0x70 [ 9043.869687][ T10] ret_from_fork_asm+0x1a/0x30 [ 9043.869687][ T10] [ 9043.871595][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9043.871595][ T10] netdev_get_by_index+0x5e/0x80 [ 9043.871595][ T10] fib6_nh_init+0x3d8/0x1580 [ 9043.871595][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9043.871595][ T10] ip6_route_add+0x1c/0x140 [ 9043.871595][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9043.871595][ T10] inet6_addr_add+0x4f8/0xa40 [ 9043.871595][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9043.871595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9043.871595][ T10] netlink_rcv_skb+0x130/0x360 [ 9043.871595][ T10] netlink_unicast+0x449/0x710 [ 9043.871595][ T10] netlink_sendmsg+0x723/0xbe0 [ 9043.871595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9043.871595][ T10] ___sys_sendmsg+0xee/0x170 [ 9043.871595][ T10] __sys_sendmsg+0xcd/0x170 [ 9043.871595][ T10] do_syscall_64+0xc6/0x1e0 [ 9043.871595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9043.871595][ T10] [ 9043.873594][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9043.873594][ T10] netdev_get_by_index+0x5e/0x80 [ 9043.873594][ T10] fib6_nh_init+0x3d8/0x1580 [ 9043.873594][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9043.873594][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9043.873594][ T10] ipv6_add_addr+0x411/0x2000 [ 9043.873594][ T10] inet6_addr_add+0x30e/0xa40 [ 9043.873594][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9043.873594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9043.873594][ T10] netlink_rcv_skb+0x130/0x360 [ 9043.873594][ T10] netlink_unicast+0x449/0x710 [ 9043.873594][ T10] netlink_sendmsg+0x723/0xbe0 [ 9043.873594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9043.873594][ T10] ___sys_sendmsg+0xee/0x170 [ 9043.873594][ T10] __sys_sendmsg+0xcd/0x170 [ 9043.873594][ T10] do_syscall_64+0xc6/0x1e0 [ 9043.873594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9043.873594][ T10] [ 9043.875592][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9043.875592][ T10] netdev_get_by_index+0x5e/0x80 [ 9043.875592][ T10] fib6_nh_init+0x3d8/0x1580 [ 9043.875592][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9043.875592][ T10] ip6_route_add+0x1c/0x140 [ 9043.875592][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9043.875592][ T10] addrconf_add_dev+0xe2/0x170 [ 9043.875592][ T10] inet6_addr_add+0x12f/0xa40 [ 9043.875592][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9043.875592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9043.875592][ T10] netlink_rcv_skb+0x130/0x360 [ 9043.875592][ T10] netlink_unicast+0x449/0x710 [ 9043.875592][ T10] netlink_sendmsg+0x723/0xbe0 [ 9043.875592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9043.875592][ T10] ___sys_sendmsg+0xee/0x170 [ 9043.875592][ T10] __sys_sendmsg+0xcd/0x170 [ 9043.875592][ T10] do_syscall_64+0xc6/0x1e0 [ 9043.875592][ T10] [ 9043.877808][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9043.877808][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9043.877808][ T10] ipv6_find_idev+0x102/0x170 [ 9043.877808][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9043.877808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9043.877808][ T10] netlink_rcv_skb+0x130/0x360 [ 9043.877808][ T10] netlink_unicast+0x449/0x710 [ 9043.877808][ T10] netlink_sendmsg+0x723/0xbe0 [ 9043.877808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9043.877808][ T10] ___sys_sendmsg+0xee/0x170 [ 9043.877808][ T10] __sys_sendmsg+0xcd/0x170 [ 9043.877808][ T10] do_syscall_64+0xc6/0x1e0 [ 9043.877808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9043.877808][ T10] [ 9043.879541][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9043.879541][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9043.879541][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9043.879541][ T10] ipv6_find_idev+0x102/0x170 [ 9043.879541][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9043.879541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9043.879541][ T10] netlink_rcv_skb+0x130/0x360 [ 9043.879541][ T10] netlink_unicast+0x449/0x710 [ 9043.879541][ T10] netlink_sendmsg+0x723/0xbe0 [ 9043.879541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9043.879541][ T10] ___sys_sendmsg+0xee/0x170 [ 9043.879541][ T10] __sys_sendmsg+0xcd/0x170 [ 9043.879541][ T10] do_syscall_64+0xc6/0x1e0 [ 9043.879541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9043.879541][ T10] [ 9050.617124][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9050.617546][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9050.617546][ T1167] dst_init+0x84/0x4a0 [ 9050.617546][ T1167] dst_alloc+0x97/0x150 [ 9050.617546][ T1167] ip6_dst_alloc+0x23/0x90 [ 9050.617546][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9050.617546][ T1167] ip6_pol_route+0x56f/0x840 [ 9050.617546][ T1167] fib6_rule_lookup+0x334/0x630 [ 9050.617546][ T1167] ip6_route_output_flags+0x259/0x480 [ 9050.617546][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9050.617546][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9050.617546][ T1167] netlink_rcv_skb+0x130/0x360 [ 9050.617546][ T1167] netlink_unicast+0x449/0x710 [ 9050.617546][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9050.617546][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9050.617546][ T1167] ___sys_sendmsg+0xee/0x170 [ 9050.617546][ T1167] __sys_sendmsg+0xcd/0x170 [ 9050.617546][ T1167] do_syscall_64+0xc6/0x1e0 [ 9050.617546][ T1167] [ 9050.619740][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9050.619740][ T1167] netdev_get_by_index+0x5e/0x80 [ 9050.619740][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9050.619740][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9050.619740][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9050.619740][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9050.619740][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9050.619740][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9050.619740][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9050.619740][ T1167] addrconf_dad_begin+0x310/0x670 [ 9050.619740][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9050.619740][ T1167] process_one_work+0x84d/0x18a0 [ 9050.619740][ T1167] worker_thread+0x587/0xd30 [ 9050.619740][ T1167] kthread+0x28a/0x350 [ 9050.619740][ T1167] ret_from_fork+0x31/0x70 [ 9050.619740][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9050.619740][ T1167] [ 9050.621866][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9050.621866][ T1167] netdev_get_by_index+0x5e/0x80 [ 9050.621866][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9050.621866][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9050.621866][ T1167] ip6_route_add+0x1c/0x140 [ 9050.621866][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9050.621866][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9050.621866][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9050.621866][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9050.621866][ T1167] netlink_rcv_skb+0x130/0x360 [ 9050.621866][ T1167] netlink_unicast+0x449/0x710 [ 9050.621866][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9050.621866][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9050.621866][ T1167] ___sys_sendmsg+0xee/0x170 [ 9050.621866][ T1167] __sys_sendmsg+0xcd/0x170 [ 9050.621866][ T1167] do_syscall_64+0xc6/0x1e0 [ 9050.621866][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9050.621866][ T1167] [ 9050.624091][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9050.624091][ T1167] netdev_get_by_index+0x5e/0x80 [ 9050.624091][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9050.624091][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9050.624091][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9050.624091][ T1167] ipv6_add_addr+0x411/0x2000 [ 9050.624091][ T1167] inet6_addr_add+0x30e/0xa40 [ 9050.624091][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9050.624091][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9050.624091][ T1167] netlink_rcv_skb+0x130/0x360 [ 9050.624091][ T1167] netlink_unicast+0x449/0x710 [ 9050.624091][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9050.624091][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9050.624091][ T1167] ___sys_sendmsg+0xee/0x170 [ 9050.624091][ T1167] __sys_sendmsg+0xcd/0x170 [ 9050.624091][ T1167] do_syscall_64+0xc6/0x1e0 [ 9050.624091][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9050.624091][ T1167] [ 9050.626332][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9050.626332][ T1167] netdev_get_by_index+0x5e/0x80 [ 9050.626332][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9050.626332][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9050.626332][ T1167] ip6_route_add+0x1c/0x140 [ 9050.626332][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9050.626332][ T1167] addrconf_add_dev+0xe2/0x170 [ 9050.626332][ T1167] inet6_addr_add+0x12f/0xa40 [ 9050.626332][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9050.626332][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9050.626332][ T1167] netlink_rcv_skb+0x130/0x360 [ 9050.626332][ T1167] netlink_unicast+0x449/0x710 [ 9050.626332][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9050.626332][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9050.626332][ T1167] ___sys_sendmsg+0xee/0x170 [ 9050.626332][ T1167] __sys_sendmsg+0xcd/0x170 [ 9050.626332][ T1167] do_syscall_64+0xc6/0x1e0 [ 9050.626332][ T1167] [ 9050.628519][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9050.628519][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9050.628519][ T1167] ipv6_find_idev+0x102/0x170 [ 9050.628519][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9050.628519][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9050.628519][ T1167] netlink_rcv_skb+0x130/0x360 [ 9050.628519][ T1167] netlink_unicast+0x449/0x710 [ 9050.628519][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9050.628519][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9050.628519][ T1167] ___sys_sendmsg+0xee/0x170 [ 9050.628519][ T1167] __sys_sendmsg+0xcd/0x170 [ 9050.628519][ T1167] do_syscall_64+0xc6/0x1e0 [ 9050.628519][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9050.628519][ T1167] [ 9050.630237][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9050.630237][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9050.630237][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9050.630237][ T1167] ipv6_find_idev+0x102/0x170 [ 9050.630237][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9050.630237][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9050.630237][ T1167] netlink_rcv_skb+0x130/0x360 [ 9050.630237][ T1167] netlink_unicast+0x449/0x710 [ 9050.630237][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9050.630237][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9050.630237][ T1167] ___sys_sendmsg+0xee/0x170 [ 9050.630237][ T1167] __sys_sendmsg+0xcd/0x170 [ 9050.630237][ T1167] do_syscall_64+0xc6/0x1e0 [ 9050.630237][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9050.630237][ T1167] [ 9053.945047][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9053.945402][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9053.945402][ T10] netdev_get_by_index+0x5e/0x80 [ 9053.945402][ T10] fib6_nh_init+0x3d8/0x1580 [ 9053.945402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9053.945402][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9053.945402][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9053.945402][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9053.945402][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9053.945402][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9053.945402][ T10] addrconf_dad_begin+0x310/0x670 [ 9053.945402][ T10] addrconf_dad_work+0x10b/0xab0 [ 9053.945402][ T10] process_one_work+0x84d/0x18a0 [ 9053.945402][ T10] worker_thread+0x587/0xd30 [ 9053.945402][ T10] kthread+0x28a/0x350 [ 9053.945402][ T10] ret_from_fork+0x31/0x70 [ 9053.945402][ T10] ret_from_fork_asm+0x1a/0x30 [ 9053.945402][ T10] [ 9053.947354][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9053.947354][ T10] netdev_get_by_index+0x5e/0x80 [ 9053.947354][ T10] fib6_nh_init+0x3d8/0x1580 [ 9053.947354][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9053.947354][ T10] ip6_route_add+0x1c/0x140 [ 9053.947354][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9053.947354][ T10] inet6_addr_add+0x4f8/0xa40 [ 9053.947354][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9053.947354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9053.947354][ T10] netlink_rcv_skb+0x130/0x360 [ 9053.947354][ T10] netlink_unicast+0x449/0x710 [ 9053.947354][ T10] netlink_sendmsg+0x723/0xbe0 [ 9053.947354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9053.947354][ T10] ___sys_sendmsg+0xee/0x170 [ 9053.947354][ T10] __sys_sendmsg+0xcd/0x170 [ 9053.947354][ T10] do_syscall_64+0xc6/0x1e0 [ 9053.947354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9053.947354][ T10] [ 9053.949367][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9053.949367][ T10] netdev_get_by_index+0x5e/0x80 [ 9053.949367][ T10] fib6_nh_init+0x3d8/0x1580 [ 9053.949367][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9053.949367][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9053.949367][ T10] ipv6_add_addr+0x411/0x2000 [ 9053.949367][ T10] inet6_addr_add+0x30e/0xa40 [ 9053.949367][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9053.949367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9053.949367][ T10] netlink_rcv_skb+0x130/0x360 [ 9053.949367][ T10] netlink_unicast+0x449/0x710 [ 9053.949367][ T10] netlink_sendmsg+0x723/0xbe0 [ 9053.949367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9053.949367][ T10] ___sys_sendmsg+0xee/0x170 [ 9053.949367][ T10] __sys_sendmsg+0xcd/0x170 [ 9053.949367][ T10] do_syscall_64+0xc6/0x1e0 [ 9053.949367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9053.949367][ T10] [ 9053.951381][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9053.951381][ T10] netdev_get_by_index+0x5e/0x80 [ 9053.951381][ T10] fib6_nh_init+0x3d8/0x1580 [ 9053.951381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9053.951381][ T10] ip6_route_add+0x1c/0x140 [ 9053.951381][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9053.951381][ T10] addrconf_add_dev+0xe2/0x170 [ 9053.951381][ T10] inet6_addr_add+0x12f/0xa40 [ 9053.951381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9053.951381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9053.951381][ T10] netlink_rcv_skb+0x130/0x360 [ 9053.951381][ T10] netlink_unicast+0x449/0x710 [ 9053.951381][ T10] netlink_sendmsg+0x723/0xbe0 [ 9053.951381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9053.951381][ T10] ___sys_sendmsg+0xee/0x170 [ 9053.951381][ T10] __sys_sendmsg+0xcd/0x170 [ 9053.951381][ T10] do_syscall_64+0xc6/0x1e0 [ 9053.951381][ T10] [ 9053.953355][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9053.953355][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9053.953355][ T10] ipv6_find_idev+0x102/0x170 [ 9053.953355][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9053.953355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9053.953355][ T10] netlink_rcv_skb+0x130/0x360 [ 9053.953355][ T10] netlink_unicast+0x449/0x710 [ 9053.953355][ T10] netlink_sendmsg+0x723/0xbe0 [ 9053.953355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9053.953355][ T10] ___sys_sendmsg+0xee/0x170 [ 9053.953355][ T10] __sys_sendmsg+0xcd/0x170 [ 9053.953355][ T10] do_syscall_64+0xc6/0x1e0 [ 9053.953355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9053.953355][ T10] [ 9053.954892][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9053.954892][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9053.954892][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9053.954892][ T10] ipv6_find_idev+0x102/0x170 [ 9053.954892][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9053.954892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9053.954892][ T10] netlink_rcv_skb+0x130/0x360 [ 9053.954892][ T10] netlink_unicast+0x449/0x710 [ 9053.954892][ T10] netlink_sendmsg+0x723/0xbe0 [ 9053.954892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9053.954892][ T10] ___sys_sendmsg+0xee/0x170 [ 9053.954892][ T10] __sys_sendmsg+0xcd/0x170 [ 9053.954892][ T10] do_syscall_64+0xc6/0x1e0 [ 9053.954892][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9053.954892][ T10] [ 9053.956591][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9053.956832][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9053.956832][ T10] netdev_get_by_index+0x5e/0x80 [ 9053.956832][ T10] fib6_nh_init+0x3d8/0x1580 [ 9053.956832][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9053.956832][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9053.956832][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9053.956832][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9053.956832][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9053.956832][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9053.956832][ T10] addrconf_dad_begin+0x310/0x670 [ 9053.956832][ T10] addrconf_dad_work+0x10b/0xab0 [ 9053.956832][ T10] process_one_work+0x84d/0x18a0 [ 9053.956832][ T10] worker_thread+0x587/0xd30 [ 9053.956832][ T10] kthread+0x28a/0x350 [ 9053.956832][ T10] ret_from_fork+0x31/0x70 [ 9053.956832][ T10] ret_from_fork_asm+0x1a/0x30 [ 9053.956832][ T10] [ 9053.958743][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9053.958743][ T10] netdev_get_by_index+0x5e/0x80 [ 9053.958743][ T10] fib6_nh_init+0x3d8/0x1580 [ 9053.958743][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9053.958743][ T10] ip6_route_add+0x1c/0x140 [ 9053.958743][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9053.958743][ T10] inet6_addr_add+0x4f8/0xa40 [ 9053.958743][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9053.958743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9053.958743][ T10] netlink_rcv_skb+0x130/0x360 [ 9053.958743][ T10] netlink_unicast+0x449/0x710 [ 9053.958743][ T10] netlink_sendmsg+0x723/0xbe0 [ 9053.958743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9053.958743][ T10] ___sys_sendmsg+0xee/0x170 [ 9053.958743][ T10] __sys_sendmsg+0xcd/0x170 [ 9053.958743][ T10] do_syscall_64+0xc6/0x1e0 [ 9053.958743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9053.958743][ T10] [ 9053.960745][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9053.960745][ T10] netdev_get_by_index+0x5e/0x80 [ 9053.960745][ T10] fib6_nh_init+0x3d8/0x1580 [ 9053.960745][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9053.960745][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9053.960745][ T10] ipv6_add_addr+0x411/0x2000 [ 9053.960745][ T10] inet6_addr_add+0x30e/0xa40 [ 9053.960745][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9053.960745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9053.960745][ T10] netlink_rcv_skb+0x130/0x360 [ 9053.960745][ T10] netlink_unicast+0x449/0x710 [ 9053.960745][ T10] netlink_sendmsg+0x723/0xbe0 [ 9053.960745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9053.960745][ T10] ___sys_sendmsg+0xee/0x170 [ 9053.960745][ T10] __sys_sendmsg+0xcd/0x170 [ 9053.960745][ T10] do_syscall_64+0xc6/0x1e0 [ 9053.960745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9053.960745][ T10] [ 9053.962748][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9053.962748][ T10] netdev_get_by_index+0x5e/0x80 [ 9053.962748][ T10] fib6_nh_init+0x3d8/0x1580 [ 9053.962748][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9053.962748][ T10] ip6_route_add+0x1c/0x140 [ 9053.962748][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9053.962748][ T10] addrconf_add_dev+0xe2/0x170 [ 9053.962748][ T10] inet6_addr_add+0x12f/0xa40 [ 9053.962748][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9053.962748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9053.962748][ T10] netlink_rcv_skb+0x130/0x360 [ 9053.962748][ T10] netlink_unicast+0x449/0x710 [ 9053.962748][ T10] netlink_sendmsg+0x723/0xbe0 [ 9053.962748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9053.962748][ T10] ___sys_sendmsg+0xee/0x170 [ 9053.962748][ T10] __sys_sendmsg+0xcd/0x170 [ 9053.962748][ T10] do_syscall_64+0xc6/0x1e0 [ 9053.962748][ T10] [ 9053.964711][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9053.964711][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9053.964711][ T10] ipv6_find_idev+0x102/0x170 [ 9053.964711][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9053.964711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9053.964711][ T10] netlink_rcv_skb+0x130/0x360 [ 9053.964711][ T10] netlink_unicast+0x449/0x710 [ 9053.964711][ T10] netlink_sendmsg+0x723/0xbe0 [ 9053.964711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9053.964711][ T10] ___sys_sendmsg+0xee/0x170 [ 9053.964711][ T10] __sys_sendmsg+0xcd/0x170 [ 9053.964711][ T10] do_syscall_64+0xc6/0x1e0 [ 9053.964711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9053.964711][ T10] [ 9053.966254][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9053.966254][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9053.966254][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9053.966254][ T10] ipv6_find_idev+0x102/0x170 [ 9053.966254][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9053.966254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9053.966254][ T10] netlink_rcv_skb+0x130/0x360 [ 9053.966254][ T10] netlink_unicast+0x449/0x710 [ 9053.966254][ T10] netlink_sendmsg+0x723/0xbe0 [ 9053.966254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9053.966254][ T10] ___sys_sendmsg+0xee/0x170 [ 9053.966254][ T10] __sys_sendmsg+0xcd/0x170 [ 9053.966254][ T10] do_syscall_64+0xc6/0x1e0 [ 9053.966254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9053.966254][ T10] [ 9053.967941][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9053.968192][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9053.968192][ T10] netdev_get_by_index+0x5e/0x80 [ 9053.968192][ T10] fib6_nh_init+0x3d8/0x1580 [ 9053.968192][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9053.968192][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9053.968192][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9053.968192][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9053.968192][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9053.968192][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9053.968192][ T10] addrconf_dad_begin+0x310/0x670 [ 9053.968192][ T10] addrconf_dad_work+0x10b/0xab0 [ 9053.968192][ T10] process_one_work+0x84d/0x18a0 [ 9053.968192][ T10] worker_thread+0x587/0xd30 [ 9053.968192][ T10] kthread+0x28a/0x350 [ 9053.968192][ T10] ret_from_fork+0x31/0x70 [ 9053.968192][ T10] ret_from_fork_asm+0x1a/0x30 [ 9053.968192][ T10] [ 9053.970100][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9053.970100][ T10] netdev_get_by_index+0x5e/0x80 [ 9053.970100][ T10] fib6_nh_init+0x3d8/0x1580 [ 9053.970100][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9053.970100][ T10] ip6_route_add+0x1c/0x140 [ 9053.970100][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9053.970100][ T10] inet6_addr_add+0x4f8/0xa40 [ 9053.970100][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9053.970100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9053.970100][ T10] netlink_rcv_skb+0x130/0x360 [ 9053.970100][ T10] netlink_unicast+0x449/0x710 [ 9053.970100][ T10] netlink_sendmsg+0x723/0xbe0 [ 9053.970100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9053.970100][ T10] ___sys_sendmsg+0xee/0x170 [ 9053.970100][ T10] __sys_sendmsg+0xcd/0x170 [ 9053.970100][ T10] do_syscall_64+0xc6/0x1e0 [ 9053.970100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9053.970100][ T10] [ 9053.972288][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9053.972288][ T10] netdev_get_by_index+0x5e/0x80 [ 9053.972288][ T10] fib6_nh_init+0x3d8/0x1580 [ 9053.972288][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9053.972288][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9053.972288][ T10] ipv6_add_addr+0x411/0x2000 [ 9053.972288][ T10] inet6_addr_add+0x30e/0xa40 [ 9053.972288][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9053.972288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9053.972288][ T10] netlink_rcv_skb+0x130/0x360 [ 9053.972288][ T10] netlink_unicast+0x449/0x710 [ 9053.972288][ T10] netlink_sendmsg+0x723/0xbe0 [ 9053.972288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9053.972288][ T10] ___sys_sendmsg+0xee/0x170 [ 9053.972288][ T10] __sys_sendmsg+0xcd/0x170 [ 9053.972288][ T10] do_syscall_64+0xc6/0x1e0 [ 9053.972288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9053.972288][ T10] [ 9053.974609][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9053.974609][ T10] netdev_get_by_index+0x5e/0x80 [ 9053.974609][ T10] fib6_nh_init+0x3d8/0x1580 [ 9053.974609][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9053.974609][ T10] ip6_route_add+0x1c/0x140 [ 9053.974609][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9053.974609][ T10] addrconf_add_dev+0xe2/0x170 [ 9053.974609][ T10] inet6_addr_add+0x12f/0xa40 [ 9053.974609][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9053.974609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9053.974609][ T10] netlink_rcv_skb+0x130/0x360 [ 9053.974609][ T10] netlink_unicast+0x449/0x710 [ 9053.974609][ T10] netlink_sendmsg+0x723/0xbe0 [ 9053.974609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9053.974609][ T10] ___sys_sendmsg+0xee/0x170 [ 9053.974609][ T10] __sys_sendmsg+0xcd/0x170 [ 9053.974609][ T10] do_syscall_64+0xc6/0x1e0 [ 9053.974609][ T10] [ 9053.976754][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9053.976754][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9053.976754][ T10] ipv6_find_idev+0x102/0x170 [ 9053.976754][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9053.976754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9053.976754][ T10] netlink_rcv_skb+0x130/0x360 [ 9053.976754][ T10] netlink_unicast+0x449/0x710 [ 9053.976754][ T10] netlink_sendmsg+0x723/0xbe0 [ 9053.976754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9053.976754][ T10] ___sys_sendmsg+0xee/0x170 [ 9053.976754][ T10] __sys_sendmsg+0xcd/0x170 [ 9053.976754][ T10] do_syscall_64+0xc6/0x1e0 [ 9053.976754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9053.976754][ T10] [ 9053.978466][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9053.978466][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9053.978466][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9053.978466][ T10] ipv6_find_idev+0x102/0x170 [ 9053.978466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9053.978466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9053.978466][ T10] netlink_rcv_skb+0x130/0x360 [ 9053.978466][ T10] netlink_unicast+0x449/0x710 [ 9053.978466][ T10] netlink_sendmsg+0x723/0xbe0 [ 9053.978466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9053.978466][ T10] ___sys_sendmsg+0xee/0x170 [ 9053.978466][ T10] __sys_sendmsg+0xcd/0x170 [ 9053.978466][ T10] do_syscall_64+0xc6/0x1e0 [ 9053.978466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9053.978466][ T10] [ 9053.980397][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9053.980646][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9053.980646][ T10] netdev_get_by_index+0x5e/0x80 [ 9053.980646][ T10] fib6_nh_init+0x3d8/0x1580 [ 9053.980646][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9053.980646][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9053.980646][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9053.980646][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9053.980646][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9053.980646][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9053.980646][ T10] addrconf_dad_begin+0x310/0x670 [ 9053.980646][ T10] addrconf_dad_work+0x10b/0xab0 [ 9053.980646][ T10] process_one_work+0x84d/0x18a0 [ 9053.980646][ T10] worker_thread+0x587/0xd30 [ 9053.980646][ T10] kthread+0x28a/0x350 [ 9053.980646][ T10] ret_from_fork+0x31/0x70 [ 9053.980646][ T10] ret_from_fork_asm+0x1a/0x30 [ 9053.980646][ T10] [ 9053.982792][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9053.982792][ T10] netdev_get_by_index+0x5e/0x80 [ 9053.982792][ T10] fib6_nh_init+0x3d8/0x1580 [ 9053.982792][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9053.982792][ T10] ip6_route_add+0x1c/0x140 [ 9053.982792][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9053.982792][ T10] inet6_addr_add+0x4f8/0xa40 [ 9053.982792][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9053.982792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9053.982792][ T10] netlink_rcv_skb+0x130/0x360 [ 9053.982792][ T10] netlink_unicast+0x449/0x710 [ 9053.982792][ T10] netlink_sendmsg+0x723/0xbe0 [ 9053.982792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9053.982792][ T10] ___sys_sendmsg+0xee/0x170 [ 9053.982792][ T10] __sys_sendmsg+0xcd/0x170 [ 9053.982792][ T10] do_syscall_64+0xc6/0x1e0 [ 9053.982792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9053.982792][ T10] [ 9053.985025][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9053.985025][ T10] netdev_get_by_index+0x5e/0x80 [ 9053.985025][ T10] fib6_nh_init+0x3d8/0x1580 [ 9053.985025][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9053.985025][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9053.985025][ T10] ipv6_add_addr+0x411/0x2000 [ 9053.985025][ T10] inet6_addr_add+0x30e/0xa40 [ 9053.985025][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9053.985025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9053.985025][ T10] netlink_rcv_skb+0x130/0x360 [ 9053.985025][ T10] netlink_unicast+0x449/0x710 [ 9053.985025][ T10] netlink_sendmsg+0x723/0xbe0 [ 9053.985025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9053.985025][ T10] ___sys_sendmsg+0xee/0x170 [ 9053.985025][ T10] __sys_sendmsg+0xcd/0x170 [ 9053.985025][ T10] do_syscall_64+0xc6/0x1e0 [ 9053.985025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9053.985025][ T10] [ 9053.987265][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9053.987265][ T10] netdev_get_by_index+0x5e/0x80 [ 9053.987265][ T10] fib6_nh_init+0x3d8/0x1580 [ 9053.987265][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9053.987265][ T10] ip6_route_add+0x1c/0x140 [ 9053.987265][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9053.987265][ T10] addrconf_add_dev+0xe2/0x170 [ 9053.987265][ T10] inet6_addr_add+0x12f/0xa40 [ 9053.987265][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9053.987265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9053.987265][ T10] netlink_rcv_skb+0x130/0x360 [ 9053.987265][ T10] netlink_unicast+0x449/0x710 [ 9053.987265][ T10] netlink_sendmsg+0x723/0xbe0 [ 9053.987265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9053.987265][ T10] ___sys_sendmsg+0xee/0x170 [ 9053.987265][ T10] __sys_sendmsg+0xcd/0x170 [ 9053.987265][ T10] do_syscall_64+0xc6/0x1e0 [ 9053.987265][ T10] [ 9053.989475][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9053.989475][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9053.989475][ T10] ipv6_find_idev+0x102/0x170 [ 9053.989475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9053.989475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9053.989475][ T10] netlink_rcv_skb+0x130/0x360 [ 9053.989475][ T10] netlink_unicast+0x449/0x710 [ 9053.989475][ T10] netlink_sendmsg+0x723/0xbe0 [ 9053.989475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9053.989475][ T10] ___sys_sendmsg+0xee/0x170 [ 9053.989475][ T10] __sys_sendmsg+0xcd/0x170 [ 9053.989475][ T10] do_syscall_64+0xc6/0x1e0 [ 9053.989475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9053.989475][ T10] [ 9053.991193][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9053.991193][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9053.991193][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9053.991193][ T10] ipv6_find_idev+0x102/0x170 [ 9053.991193][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9053.991193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9053.991193][ T10] netlink_rcv_skb+0x130/0x360 [ 9053.991193][ T10] netlink_unicast+0x449/0x710 [ 9053.991193][ T10] netlink_sendmsg+0x723/0xbe0 [ 9053.991193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9053.991193][ T10] ___sys_sendmsg+0xee/0x170 [ 9053.991193][ T10] __sys_sendmsg+0xcd/0x170 [ 9053.991193][ T10] do_syscall_64+0xc6/0x1e0 [ 9053.991193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9053.991193][ T10] [ 9060.633099][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9060.633587][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9060.633587][ T1167] dst_init+0x84/0x4a0 [ 9060.633587][ T1167] dst_alloc+0x97/0x150 [ 9060.633587][ T1167] ip6_dst_alloc+0x23/0x90 [ 9060.633587][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9060.633587][ T1167] ip6_pol_route+0x56f/0x840 [ 9060.633587][ T1167] fib6_rule_lookup+0x334/0x630 [ 9060.633587][ T1167] ip6_route_output_flags+0x259/0x480 [ 9060.633587][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9060.633587][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9060.633587][ T1167] netlink_rcv_skb+0x130/0x360 [ 9060.633587][ T1167] netlink_unicast+0x449/0x710 [ 9060.633587][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9060.633587][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9060.633587][ T1167] ___sys_sendmsg+0xee/0x170 [ 9060.633587][ T1167] __sys_sendmsg+0xcd/0x170 [ 9060.633587][ T1167] do_syscall_64+0xc6/0x1e0 [ 9060.633587][ T1167] [ 9060.635827][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9060.635827][ T1167] netdev_get_by_index+0x5e/0x80 [ 9060.635827][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9060.635827][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9060.635827][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9060.635827][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9060.635827][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9060.635827][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9060.635827][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9060.635827][ T1167] addrconf_dad_begin+0x310/0x670 [ 9060.635827][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9060.635827][ T1167] process_one_work+0x84d/0x18a0 [ 9060.635827][ T1167] worker_thread+0x587/0xd30 [ 9060.635827][ T1167] kthread+0x28a/0x350 [ 9060.635827][ T1167] ret_from_fork+0x31/0x70 [ 9060.635827][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9060.635827][ T1167] [ 9060.637981][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9060.637981][ T1167] netdev_get_by_index+0x5e/0x80 [ 9060.637981][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9060.637981][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9060.637981][ T1167] ip6_route_add+0x1c/0x140 [ 9060.637981][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9060.637981][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9060.637981][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9060.637981][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9060.637981][ T1167] netlink_rcv_skb+0x130/0x360 [ 9060.637981][ T1167] netlink_unicast+0x449/0x710 [ 9060.637981][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9060.637981][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9060.637981][ T1167] ___sys_sendmsg+0xee/0x170 [ 9060.637981][ T1167] __sys_sendmsg+0xcd/0x170 [ 9060.637981][ T1167] do_syscall_64+0xc6/0x1e0 [ 9060.637981][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9060.637981][ T1167] [ 9060.640231][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9060.640231][ T1167] netdev_get_by_index+0x5e/0x80 [ 9060.640231][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9060.640231][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9060.640231][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9060.640231][ T1167] ipv6_add_addr+0x411/0x2000 [ 9060.640231][ T1167] inet6_addr_add+0x30e/0xa40 [ 9060.640231][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9060.640231][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9060.640231][ T1167] netlink_rcv_skb+0x130/0x360 [ 9060.640231][ T1167] netlink_unicast+0x449/0x710 [ 9060.640231][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9060.640231][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9060.640231][ T1167] ___sys_sendmsg+0xee/0x170 [ 9060.640231][ T1167] __sys_sendmsg+0xcd/0x170 [ 9060.640231][ T1167] do_syscall_64+0xc6/0x1e0 [ 9060.640231][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9060.640231][ T1167] [ 9060.642499][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9060.642499][ T1167] netdev_get_by_index+0x5e/0x80 [ 9060.642499][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9060.642499][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9060.642499][ T1167] ip6_route_add+0x1c/0x140 [ 9060.642499][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9060.642499][ T1167] addrconf_add_dev+0xe2/0x170 [ 9060.642499][ T1167] inet6_addr_add+0x12f/0xa40 [ 9060.642499][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9060.642499][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9060.642499][ T1167] netlink_rcv_skb+0x130/0x360 [ 9060.642499][ T1167] netlink_unicast+0x449/0x710 [ 9060.642499][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9060.642499][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9060.642499][ T1167] ___sys_sendmsg+0xee/0x170 [ 9060.642499][ T1167] __sys_sendmsg+0xcd/0x170 [ 9060.642499][ T1167] do_syscall_64+0xc6/0x1e0 [ 9060.642499][ T1167] [ 9060.644710][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9060.644710][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9060.644710][ T1167] ipv6_find_idev+0x102/0x170 [ 9060.644710][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9060.644710][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9060.644710][ T1167] netlink_rcv_skb+0x130/0x360 [ 9060.644710][ T1167] netlink_unicast+0x449/0x710 [ 9060.644710][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9060.644710][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9060.644710][ T1167] ___sys_sendmsg+0xee/0x170 [ 9060.644710][ T1167] __sys_sendmsg+0xcd/0x170 [ 9060.644710][ T1167] do_syscall_64+0xc6/0x1e0 [ 9060.644710][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9060.644710][ T1167] [ 9060.646451][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9060.646451][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9060.646451][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9060.646451][ T1167] ipv6_find_idev+0x102/0x170 [ 9060.646451][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9060.646451][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9060.646451][ T1167] netlink_rcv_skb+0x130/0x360 [ 9060.646451][ T1167] netlink_unicast+0x449/0x710 [ 9060.646451][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9060.646451][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9060.646451][ T1167] ___sys_sendmsg+0xee/0x170 [ 9060.646451][ T1167] __sys_sendmsg+0xcd/0x170 [ 9060.646451][ T1167] do_syscall_64+0xc6/0x1e0 [ 9060.646451][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9060.646451][ T1167] [ 9064.249127][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9064.249555][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9064.249555][ T10] netdev_get_by_index+0x5e/0x80 [ 9064.249555][ T10] fib6_nh_init+0x3d8/0x1580 [ 9064.249555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9064.249555][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9064.249555][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9064.249555][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9064.249555][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9064.249555][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9064.249555][ T10] addrconf_dad_begin+0x310/0x670 [ 9064.249555][ T10] addrconf_dad_work+0x10b/0xab0 [ 9064.249555][ T10] process_one_work+0x84d/0x18a0 [ 9064.249555][ T10] worker_thread+0x587/0xd30 [ 9064.249555][ T10] kthread+0x28a/0x350 [ 9064.249555][ T10] ret_from_fork+0x31/0x70 [ 9064.249555][ T10] ret_from_fork_asm+0x1a/0x30 [ 9064.249555][ T10] [ 9064.251501][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9064.251501][ T10] netdev_get_by_index+0x5e/0x80 [ 9064.251501][ T10] fib6_nh_init+0x3d8/0x1580 [ 9064.251501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9064.251501][ T10] ip6_route_add+0x1c/0x140 [ 9064.251501][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9064.251501][ T10] inet6_addr_add+0x4f8/0xa40 [ 9064.251501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9064.251501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9064.251501][ T10] netlink_rcv_skb+0x130/0x360 [ 9064.251501][ T10] netlink_unicast+0x449/0x710 [ 9064.251501][ T10] netlink_sendmsg+0x723/0xbe0 [ 9064.251501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9064.251501][ T10] ___sys_sendmsg+0xee/0x170 [ 9064.251501][ T10] __sys_sendmsg+0xcd/0x170 [ 9064.251501][ T10] do_syscall_64+0xc6/0x1e0 [ 9064.251501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9064.251501][ T10] [ 9064.253506][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9064.253506][ T10] netdev_get_by_index+0x5e/0x80 [ 9064.253506][ T10] fib6_nh_init+0x3d8/0x1580 [ 9064.253506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9064.253506][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9064.253506][ T10] ipv6_add_addr+0x411/0x2000 [ 9064.253506][ T10] inet6_addr_add+0x30e/0xa40 [ 9064.253506][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9064.253506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9064.253506][ T10] netlink_rcv_skb+0x130/0x360 [ 9064.253506][ T10] netlink_unicast+0x449/0x710 [ 9064.253506][ T10] netlink_sendmsg+0x723/0xbe0 [ 9064.253506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9064.253506][ T10] ___sys_sendmsg+0xee/0x170 [ 9064.253506][ T10] __sys_sendmsg+0xcd/0x170 [ 9064.253506][ T10] do_syscall_64+0xc6/0x1e0 [ 9064.253506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9064.253506][ T10] [ 9064.255504][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9064.255504][ T10] netdev_get_by_index+0x5e/0x80 [ 9064.255504][ T10] fib6_nh_init+0x3d8/0x1580 [ 9064.255504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9064.255504][ T10] ip6_route_add+0x1c/0x140 [ 9064.255504][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9064.255504][ T10] addrconf_add_dev+0xe2/0x170 [ 9064.255504][ T10] inet6_addr_add+0x12f/0xa40 [ 9064.255504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9064.255504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9064.255504][ T10] netlink_rcv_skb+0x130/0x360 [ 9064.255504][ T10] netlink_unicast+0x449/0x710 [ 9064.255504][ T10] netlink_sendmsg+0x723/0xbe0 [ 9064.255504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9064.255504][ T10] ___sys_sendmsg+0xee/0x170 [ 9064.255504][ T10] __sys_sendmsg+0xcd/0x170 [ 9064.255504][ T10] do_syscall_64+0xc6/0x1e0 [ 9064.255504][ T10] [ 9064.257490][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9064.257490][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9064.257490][ T10] ipv6_find_idev+0x102/0x170 [ 9064.257490][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9064.257490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9064.257490][ T10] netlink_rcv_skb+0x130/0x360 [ 9064.257490][ T10] netlink_unicast+0x449/0x710 [ 9064.257490][ T10] netlink_sendmsg+0x723/0xbe0 [ 9064.257490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9064.257490][ T10] ___sys_sendmsg+0xee/0x170 [ 9064.257490][ T10] __sys_sendmsg+0xcd/0x170 [ 9064.257490][ T10] do_syscall_64+0xc6/0x1e0 [ 9064.257490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9064.257490][ T10] [ 9064.259028][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9064.259028][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9064.259028][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9064.259028][ T10] ipv6_find_idev+0x102/0x170 [ 9064.259028][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9064.259028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9064.259028][ T10] netlink_rcv_skb+0x130/0x360 [ 9064.259028][ T10] netlink_unicast+0x449/0x710 [ 9064.259028][ T10] netlink_sendmsg+0x723/0xbe0 [ 9064.259028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9064.259028][ T10] ___sys_sendmsg+0xee/0x170 [ 9064.259028][ T10] __sys_sendmsg+0xcd/0x170 [ 9064.259028][ T10] do_syscall_64+0xc6/0x1e0 [ 9064.259028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9064.259028][ T10] [ 9064.260728][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9064.260970][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9064.260970][ T10] netdev_get_by_index+0x5e/0x80 [ 9064.260970][ T10] fib6_nh_init+0x3d8/0x1580 [ 9064.260970][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9064.260970][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9064.260970][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9064.260970][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9064.260970][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9064.260970][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9064.260970][ T10] addrconf_dad_begin+0x310/0x670 [ 9064.260970][ T10] addrconf_dad_work+0x10b/0xab0 [ 9064.260970][ T10] process_one_work+0x84d/0x18a0 [ 9064.260970][ T10] worker_thread+0x587/0xd30 [ 9064.260970][ T10] kthread+0x28a/0x350 [ 9064.260970][ T10] ret_from_fork+0x31/0x70 [ 9064.260970][ T10] ret_from_fork_asm+0x1a/0x30 [ 9064.260970][ T10] [ 9064.262880][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9064.262880][ T10] netdev_get_by_index+0x5e/0x80 [ 9064.262880][ T10] fib6_nh_init+0x3d8/0x1580 [ 9064.262880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9064.262880][ T10] ip6_route_add+0x1c/0x140 [ 9064.262880][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9064.262880][ T10] inet6_addr_add+0x4f8/0xa40 [ 9064.262880][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9064.262880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9064.262880][ T10] netlink_rcv_skb+0x130/0x360 [ 9064.262880][ T10] netlink_unicast+0x449/0x710 [ 9064.262880][ T10] netlink_sendmsg+0x723/0xbe0 [ 9064.262880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9064.262880][ T10] ___sys_sendmsg+0xee/0x170 [ 9064.262880][ T10] __sys_sendmsg+0xcd/0x170 [ 9064.262880][ T10] do_syscall_64+0xc6/0x1e0 [ 9064.262880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9064.262880][ T10] [ 9064.264869][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9064.264869][ T10] netdev_get_by_index+0x5e/0x80 [ 9064.264869][ T10] fib6_nh_init+0x3d8/0x1580 [ 9064.264869][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9064.264869][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9064.264869][ T10] ipv6_add_addr+0x411/0x2000 [ 9064.264869][ T10] inet6_addr_add+0x30e/0xa40 [ 9064.264869][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9064.264869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9064.264869][ T10] netlink_rcv_skb+0x130/0x360 [ 9064.264869][ T10] netlink_unicast+0x449/0x710 [ 9064.264869][ T10] netlink_sendmsg+0x723/0xbe0 [ 9064.264869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9064.264869][ T10] ___sys_sendmsg+0xee/0x170 [ 9064.264869][ T10] __sys_sendmsg+0xcd/0x170 [ 9064.264869][ T10] do_syscall_64+0xc6/0x1e0 [ 9064.264869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9064.264869][ T10] [ 9064.266864][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9064.266864][ T10] netdev_get_by_index+0x5e/0x80 [ 9064.266864][ T10] fib6_nh_init+0x3d8/0x1580 [ 9064.266864][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9064.266864][ T10] ip6_route_add+0x1c/0x140 [ 9064.266864][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9064.266864][ T10] addrconf_add_dev+0xe2/0x170 [ 9064.266864][ T10] inet6_addr_add+0x12f/0xa40 [ 9064.266864][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9064.266864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9064.266864][ T10] netlink_rcv_skb+0x130/0x360 [ 9064.266864][ T10] netlink_unicast+0x449/0x710 [ 9064.266864][ T10] netlink_sendmsg+0x723/0xbe0 [ 9064.266864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9064.266864][ T10] ___sys_sendmsg+0xee/0x170 [ 9064.266864][ T10] __sys_sendmsg+0xcd/0x170 [ 9064.266864][ T10] do_syscall_64+0xc6/0x1e0 [ 9064.266864][ T10] [ 9064.268843][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9064.268843][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9064.268843][ T10] ipv6_find_idev+0x102/0x170 [ 9064.268843][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9064.268843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9064.268843][ T10] netlink_rcv_skb+0x130/0x360 [ 9064.268843][ T10] netlink_unicast+0x449/0x710 [ 9064.268843][ T10] netlink_sendmsg+0x723/0xbe0 [ 9064.268843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9064.268843][ T10] ___sys_sendmsg+0xee/0x170 [ 9064.268843][ T10] __sys_sendmsg+0xcd/0x170 [ 9064.268843][ T10] do_syscall_64+0xc6/0x1e0 [ 9064.268843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9064.268843][ T10] [ 9064.270383][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9064.270383][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9064.270383][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9064.270383][ T10] ipv6_find_idev+0x102/0x170 [ 9064.270383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9064.270383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9064.270383][ T10] netlink_rcv_skb+0x130/0x360 [ 9064.270383][ T10] netlink_unicast+0x449/0x710 [ 9064.270383][ T10] netlink_sendmsg+0x723/0xbe0 [ 9064.270383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9064.270383][ T10] ___sys_sendmsg+0xee/0x170 [ 9064.270383][ T10] __sys_sendmsg+0xcd/0x170 [ 9064.270383][ T10] do_syscall_64+0xc6/0x1e0 [ 9064.270383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9064.270383][ T10] [ 9064.272073][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9064.272310][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9064.272310][ T10] netdev_get_by_index+0x5e/0x80 [ 9064.272310][ T10] fib6_nh_init+0x3d8/0x1580 [ 9064.272310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9064.272310][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9064.272310][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9064.272310][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9064.272310][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9064.272310][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9064.272310][ T10] addrconf_dad_begin+0x310/0x670 [ 9064.272310][ T10] addrconf_dad_work+0x10b/0xab0 [ 9064.272310][ T10] process_one_work+0x84d/0x18a0 [ 9064.272310][ T10] worker_thread+0x587/0xd30 [ 9064.272310][ T10] kthread+0x28a/0x350 [ 9064.272310][ T10] ret_from_fork+0x31/0x70 [ 9064.272310][ T10] ret_from_fork_asm+0x1a/0x30 [ 9064.272310][ T10] [ 9064.274228][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9064.274228][ T10] netdev_get_by_index+0x5e/0x80 [ 9064.274228][ T10] fib6_nh_init+0x3d8/0x1580 [ 9064.274228][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9064.274228][ T10] ip6_route_add+0x1c/0x140 [ 9064.274228][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9064.274228][ T10] inet6_addr_add+0x4f8/0xa40 [ 9064.274228][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9064.274228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9064.274228][ T10] netlink_rcv_skb+0x130/0x360 [ 9064.274228][ T10] netlink_unicast+0x449/0x710 [ 9064.274228][ T10] netlink_sendmsg+0x723/0xbe0 [ 9064.274228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9064.274228][ T10] ___sys_sendmsg+0xee/0x170 [ 9064.274228][ T10] __sys_sendmsg+0xcd/0x170 [ 9064.274228][ T10] do_syscall_64+0xc6/0x1e0 [ 9064.274228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9064.274228][ T10] [ 9064.276414][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9064.276414][ T10] netdev_get_by_index+0x5e/0x80 [ 9064.276414][ T10] fib6_nh_init+0x3d8/0x1580 [ 9064.276414][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9064.276414][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9064.276414][ T10] ipv6_add_addr+0x411/0x2000 [ 9064.276414][ T10] inet6_addr_add+0x30e/0xa40 [ 9064.276414][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9064.276414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9064.276414][ T10] netlink_rcv_skb+0x130/0x360 [ 9064.276414][ T10] netlink_unicast+0x449/0x710 [ 9064.276414][ T10] netlink_sendmsg+0x723/0xbe0 [ 9064.276414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9064.276414][ T10] ___sys_sendmsg+0xee/0x170 [ 9064.276414][ T10] __sys_sendmsg+0xcd/0x170 [ 9064.276414][ T10] do_syscall_64+0xc6/0x1e0 [ 9064.276414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9064.276414][ T10] [ 9064.278716][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9064.278716][ T10] netdev_get_by_index+0x5e/0x80 [ 9064.278716][ T10] fib6_nh_init+0x3d8/0x1580 [ 9064.278716][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9064.278716][ T10] ip6_route_add+0x1c/0x140 [ 9064.278716][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9064.278716][ T10] addrconf_add_dev+0xe2/0x170 [ 9064.278716][ T10] inet6_addr_add+0x12f/0xa40 [ 9064.278716][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9064.278716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9064.278716][ T10] netlink_rcv_skb+0x130/0x360 [ 9064.278716][ T10] netlink_unicast+0x449/0x710 [ 9064.278716][ T10] netlink_sendmsg+0x723/0xbe0 [ 9064.278716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9064.278716][ T10] ___sys_sendmsg+0xee/0x170 [ 9064.278716][ T10] __sys_sendmsg+0xcd/0x170 [ 9064.278716][ T10] do_syscall_64+0xc6/0x1e0 [ 9064.278716][ T10] [ 9064.280872][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9064.280872][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9064.280872][ T10] ipv6_find_idev+0x102/0x170 [ 9064.280872][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9064.280872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9064.280872][ T10] netlink_rcv_skb+0x130/0x360 [ 9064.280872][ T10] netlink_unicast+0x449/0x710 [ 9064.280872][ T10] netlink_sendmsg+0x723/0xbe0 [ 9064.280872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9064.280872][ T10] ___sys_sendmsg+0xee/0x170 [ 9064.280872][ T10] __sys_sendmsg+0xcd/0x170 [ 9064.280872][ T10] do_syscall_64+0xc6/0x1e0 [ 9064.280872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9064.280872][ T10] [ 9064.282593][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9064.282593][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9064.282593][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9064.282593][ T10] ipv6_find_idev+0x102/0x170 [ 9064.282593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9064.282593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9064.282593][ T10] netlink_rcv_skb+0x130/0x360 [ 9064.282593][ T10] netlink_unicast+0x449/0x710 [ 9064.282593][ T10] netlink_sendmsg+0x723/0xbe0 [ 9064.282593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9064.282593][ T10] ___sys_sendmsg+0xee/0x170 [ 9064.282593][ T10] __sys_sendmsg+0xcd/0x170 [ 9064.282593][ T10] do_syscall_64+0xc6/0x1e0 [ 9064.282593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9064.282593][ T10] [ 9064.284520][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9064.284761][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9064.284761][ T10] netdev_get_by_index+0x5e/0x80 [ 9064.284761][ T10] fib6_nh_init+0x3d8/0x1580 [ 9064.284761][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9064.284761][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9064.284761][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9064.284761][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9064.284761][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9064.284761][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9064.284761][ T10] addrconf_dad_begin+0x310/0x670 [ 9064.284761][ T10] addrconf_dad_work+0x10b/0xab0 [ 9064.284761][ T10] process_one_work+0x84d/0x18a0 [ 9064.284761][ T10] worker_thread+0x587/0xd30 [ 9064.284761][ T10] kthread+0x28a/0x350 [ 9064.284761][ T10] ret_from_fork+0x31/0x70 [ 9064.284761][ T10] ret_from_fork_asm+0x1a/0x30 [ 9064.284761][ T10] [ 9064.286993][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9064.286993][ T10] netdev_get_by_index+0x5e/0x80 [ 9064.286993][ T10] fib6_nh_init+0x3d8/0x1580 [ 9064.286993][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9064.286993][ T10] ip6_route_add+0x1c/0x140 [ 9064.286993][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9064.286993][ T10] inet6_addr_add+0x4f8/0xa40 [ 9064.286993][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9064.286993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9064.286993][ T10] netlink_rcv_skb+0x130/0x360 [ 9064.286993][ T10] netlink_unicast+0x449/0x710 [ 9064.286993][ T10] netlink_sendmsg+0x723/0xbe0 [ 9064.286993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9064.286993][ T10] ___sys_sendmsg+0xee/0x170 [ 9064.286993][ T10] __sys_sendmsg+0xcd/0x170 [ 9064.286993][ T10] do_syscall_64+0xc6/0x1e0 [ 9064.286993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9064.286993][ T10] [ 9064.289179][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9064.289179][ T10] netdev_get_by_index+0x5e/0x80 [ 9064.289179][ T10] fib6_nh_init+0x3d8/0x1580 [ 9064.289179][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9064.289179][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9064.289179][ T10] ipv6_add_addr+0x411/0x2000 [ 9064.289179][ T10] inet6_addr_add+0x30e/0xa40 [ 9064.289179][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9064.289179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9064.289179][ T10] netlink_rcv_skb+0x130/0x360 [ 9064.289179][ T10] netlink_unicast+0x449/0x710 [ 9064.289179][ T10] netlink_sendmsg+0x723/0xbe0 [ 9064.289179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9064.289179][ T10] ___sys_sendmsg+0xee/0x170 [ 9064.289179][ T10] __sys_sendmsg+0xcd/0x170 [ 9064.289179][ T10] do_syscall_64+0xc6/0x1e0 [ 9064.289179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9064.289179][ T10] [ 9064.291419][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9064.291419][ T10] netdev_get_by_index+0x5e/0x80 [ 9064.291419][ T10] fib6_nh_init+0x3d8/0x1580 [ 9064.291419][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9064.291419][ T10] ip6_route_add+0x1c/0x140 [ 9064.291419][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9064.291419][ T10] addrconf_add_dev+0xe2/0x170 [ 9064.291419][ T10] inet6_addr_add+0x12f/0xa40 [ 9064.291419][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9064.291419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9064.291419][ T10] netlink_rcv_skb+0x130/0x360 [ 9064.291419][ T10] netlink_unicast+0x449/0x710 [ 9064.291419][ T10] netlink_sendmsg+0x723/0xbe0 [ 9064.291419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9064.291419][ T10] ___sys_sendmsg+0xee/0x170 [ 9064.291419][ T10] __sys_sendmsg+0xcd/0x170 [ 9064.291419][ T10] do_syscall_64+0xc6/0x1e0 [ 9064.291419][ T10] [ 9064.293635][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9064.293635][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9064.293635][ T10] ipv6_find_idev+0x102/0x170 [ 9064.293635][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9064.293635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9064.293635][ T10] netlink_rcv_skb+0x130/0x360 [ 9064.293635][ T10] netlink_unicast+0x449/0x710 [ 9064.293635][ T10] netlink_sendmsg+0x723/0xbe0 [ 9064.293635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9064.293635][ T10] ___sys_sendmsg+0xee/0x170 [ 9064.293635][ T10] __sys_sendmsg+0xcd/0x170 [ 9064.293635][ T10] do_syscall_64+0xc6/0x1e0 [ 9064.293635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9064.293635][ T10] [ 9064.295360][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9064.295360][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9064.295360][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9064.295360][ T10] ipv6_find_idev+0x102/0x170 [ 9064.295360][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9064.295360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9064.295360][ T10] netlink_rcv_skb+0x130/0x360 [ 9064.295360][ T10] netlink_unicast+0x449/0x710 [ 9064.295360][ T10] netlink_sendmsg+0x723/0xbe0 [ 9064.295360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9064.295360][ T10] ___sys_sendmsg+0xee/0x170 [ 9064.295360][ T10] __sys_sendmsg+0xcd/0x170 [ 9064.295360][ T10] do_syscall_64+0xc6/0x1e0 [ 9064.295360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9064.295360][ T10] [ 9070.889030][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9070.889519][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9070.889519][ T1167] dst_init+0x84/0x4a0 [ 9070.889519][ T1167] dst_alloc+0x97/0x150 [ 9070.889519][ T1167] ip6_dst_alloc+0x23/0x90 [ 9070.889519][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9070.889519][ T1167] ip6_pol_route+0x56f/0x840 [ 9070.889519][ T1167] fib6_rule_lookup+0x334/0x630 [ 9070.889519][ T1167] ip6_route_output_flags+0x259/0x480 [ 9070.889519][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9070.889519][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9070.889519][ T1167] netlink_rcv_skb+0x130/0x360 [ 9070.889519][ T1167] netlink_unicast+0x449/0x710 [ 9070.889519][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9070.889519][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9070.889519][ T1167] ___sys_sendmsg+0xee/0x170 [ 9070.889519][ T1167] __sys_sendmsg+0xcd/0x170 [ 9070.889519][ T1167] do_syscall_64+0xc6/0x1e0 [ 9070.889519][ T1167] [ 9070.891733][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9070.891733][ T1167] netdev_get_by_index+0x5e/0x80 [ 9070.891733][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9070.891733][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9070.891733][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9070.891733][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9070.891733][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9070.891733][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9070.891733][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9070.891733][ T1167] addrconf_dad_begin+0x310/0x670 [ 9070.891733][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9070.891733][ T1167] process_one_work+0x84d/0x18a0 [ 9070.891733][ T1167] worker_thread+0x587/0xd30 [ 9070.891733][ T1167] kthread+0x28a/0x350 [ 9070.891733][ T1167] ret_from_fork+0x31/0x70 [ 9070.891733][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9070.891733][ T1167] [ 9070.893877][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9070.893877][ T1167] netdev_get_by_index+0x5e/0x80 [ 9070.893877][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9070.893877][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9070.893877][ T1167] ip6_route_add+0x1c/0x140 [ 9070.893877][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9070.893877][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9070.893877][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9070.893877][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9070.893877][ T1167] netlink_rcv_skb+0x130/0x360 [ 9070.893877][ T1167] netlink_unicast+0x449/0x710 [ 9070.893877][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9070.893877][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9070.893877][ T1167] ___sys_sendmsg+0xee/0x170 [ 9070.893877][ T1167] __sys_sendmsg+0xcd/0x170 [ 9070.893877][ T1167] do_syscall_64+0xc6/0x1e0 [ 9070.893877][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9070.893877][ T1167] [ 9070.896122][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9070.896122][ T1167] netdev_get_by_index+0x5e/0x80 [ 9070.896122][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9070.896122][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9070.896122][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9070.896122][ T1167] ipv6_add_addr+0x411/0x2000 [ 9070.896122][ T1167] inet6_addr_add+0x30e/0xa40 [ 9070.896122][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9070.896122][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9070.896122][ T1167] netlink_rcv_skb+0x130/0x360 [ 9070.896122][ T1167] netlink_unicast+0x449/0x710 [ 9070.896122][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9070.896122][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9070.896122][ T1167] ___sys_sendmsg+0xee/0x170 [ 9070.896122][ T1167] __sys_sendmsg+0xcd/0x170 [ 9070.896122][ T1167] do_syscall_64+0xc6/0x1e0 [ 9070.896122][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9070.896122][ T1167] [ 9070.898370][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9070.898370][ T1167] netdev_get_by_index+0x5e/0x80 [ 9070.898370][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9070.898370][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9070.898370][ T1167] ip6_route_add+0x1c/0x140 [ 9070.898370][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9070.898370][ T1167] addrconf_add_dev+0xe2/0x170 [ 9070.898370][ T1167] inet6_addr_add+0x12f/0xa40 [ 9070.898370][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9070.898370][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9070.898370][ T1167] netlink_rcv_skb+0x130/0x360 [ 9070.898370][ T1167] netlink_unicast+0x449/0x710 [ 9070.898370][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9070.898370][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9070.898370][ T1167] ___sys_sendmsg+0xee/0x170 [ 9070.898370][ T1167] __sys_sendmsg+0xcd/0x170 [ 9070.898370][ T1167] do_syscall_64+0xc6/0x1e0 [ 9070.898370][ T1167] [ 9070.900565][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9070.900565][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9070.900565][ T1167] ipv6_find_idev+0x102/0x170 [ 9070.900565][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9070.900565][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9070.900565][ T1167] netlink_rcv_skb+0x130/0x360 [ 9070.900565][ T1167] netlink_unicast+0x449/0x710 [ 9070.900565][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9070.900565][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9070.900565][ T1167] ___sys_sendmsg+0xee/0x170 [ 9070.900565][ T1167] __sys_sendmsg+0xcd/0x170 [ 9070.900565][ T1167] do_syscall_64+0xc6/0x1e0 [ 9070.900565][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9070.900565][ T1167] [ 9070.902294][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9070.902294][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9070.902294][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9070.902294][ T1167] ipv6_find_idev+0x102/0x170 [ 9070.902294][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9070.902294][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9070.902294][ T1167] netlink_rcv_skb+0x130/0x360 [ 9070.902294][ T1167] netlink_unicast+0x449/0x710 [ 9070.902294][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9070.902294][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9070.902294][ T1167] ___sys_sendmsg+0xee/0x170 [ 9070.902294][ T1167] __sys_sendmsg+0xcd/0x170 [ 9070.902294][ T1167] do_syscall_64+0xc6/0x1e0 [ 9070.902294][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9070.902294][ T1167] [ 9074.553097][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9074.553519][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9074.553519][ T10] netdev_get_by_index+0x5e/0x80 [ 9074.553519][ T10] fib6_nh_init+0x3d8/0x1580 [ 9074.553519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9074.553519][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9074.553519][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9074.553519][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9074.553519][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9074.553519][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9074.553519][ T10] addrconf_dad_begin+0x310/0x670 [ 9074.553519][ T10] addrconf_dad_work+0x10b/0xab0 [ 9074.553519][ T10] process_one_work+0x84d/0x18a0 [ 9074.553519][ T10] worker_thread+0x587/0xd30 [ 9074.553519][ T10] kthread+0x28a/0x350 [ 9074.553519][ T10] ret_from_fork+0x31/0x70 [ 9074.553519][ T10] ret_from_fork_asm+0x1a/0x30 [ 9074.553519][ T10] [ 9074.555481][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9074.555481][ T10] netdev_get_by_index+0x5e/0x80 [ 9074.555481][ T10] fib6_nh_init+0x3d8/0x1580 [ 9074.555481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9074.555481][ T10] ip6_route_add+0x1c/0x140 [ 9074.555481][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9074.555481][ T10] inet6_addr_add+0x4f8/0xa40 [ 9074.555481][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9074.555481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9074.555481][ T10] netlink_rcv_skb+0x130/0x360 [ 9074.555481][ T10] netlink_unicast+0x449/0x710 [ 9074.555481][ T10] netlink_sendmsg+0x723/0xbe0 [ 9074.555481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9074.555481][ T10] ___sys_sendmsg+0xee/0x170 [ 9074.555481][ T10] __sys_sendmsg+0xcd/0x170 [ 9074.555481][ T10] do_syscall_64+0xc6/0x1e0 [ 9074.555481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9074.555481][ T10] [ 9074.557496][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9074.557496][ T10] netdev_get_by_index+0x5e/0x80 [ 9074.557496][ T10] fib6_nh_init+0x3d8/0x1580 [ 9074.557496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9074.557496][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9074.557496][ T10] ipv6_add_addr+0x411/0x2000 [ 9074.557496][ T10] inet6_addr_add+0x30e/0xa40 [ 9074.557496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9074.557496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9074.557496][ T10] netlink_rcv_skb+0x130/0x360 [ 9074.557496][ T10] netlink_unicast+0x449/0x710 [ 9074.557496][ T10] netlink_sendmsg+0x723/0xbe0 [ 9074.557496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9074.557496][ T10] ___sys_sendmsg+0xee/0x170 [ 9074.557496][ T10] __sys_sendmsg+0xcd/0x170 [ 9074.557496][ T10] do_syscall_64+0xc6/0x1e0 [ 9074.557496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9074.557496][ T10] [ 9074.559493][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9074.559493][ T10] netdev_get_by_index+0x5e/0x80 [ 9074.559493][ T10] fib6_nh_init+0x3d8/0x1580 [ 9074.559493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9074.559493][ T10] ip6_route_add+0x1c/0x140 [ 9074.559493][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9074.559493][ T10] addrconf_add_dev+0xe2/0x170 [ 9074.559493][ T10] inet6_addr_add+0x12f/0xa40 [ 9074.559493][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9074.559493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9074.559493][ T10] netlink_rcv_skb+0x130/0x360 [ 9074.559493][ T10] netlink_unicast+0x449/0x710 [ 9074.559493][ T10] netlink_sendmsg+0x723/0xbe0 [ 9074.559493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9074.559493][ T10] ___sys_sendmsg+0xee/0x170 [ 9074.559493][ T10] __sys_sendmsg+0xcd/0x170 [ 9074.559493][ T10] do_syscall_64+0xc6/0x1e0 [ 9074.559493][ T10] [ 9074.561474][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9074.561474][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9074.561474][ T10] ipv6_find_idev+0x102/0x170 [ 9074.561474][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9074.561474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9074.561474][ T10] netlink_rcv_skb+0x130/0x360 [ 9074.561474][ T10] netlink_unicast+0x449/0x710 [ 9074.561474][ T10] netlink_sendmsg+0x723/0xbe0 [ 9074.561474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9074.561474][ T10] ___sys_sendmsg+0xee/0x170 [ 9074.561474][ T10] __sys_sendmsg+0xcd/0x170 [ 9074.561474][ T10] do_syscall_64+0xc6/0x1e0 [ 9074.561474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9074.561474][ T10] [ 9074.563014][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9074.563014][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9074.563014][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9074.563014][ T10] ipv6_find_idev+0x102/0x170 [ 9074.563014][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9074.563014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9074.563014][ T10] netlink_rcv_skb+0x130/0x360 [ 9074.563014][ T10] netlink_unicast+0x449/0x710 [ 9074.563014][ T10] netlink_sendmsg+0x723/0xbe0 [ 9074.563014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9074.563014][ T10] ___sys_sendmsg+0xee/0x170 [ 9074.563014][ T10] __sys_sendmsg+0xcd/0x170 [ 9074.563014][ T10] do_syscall_64+0xc6/0x1e0 [ 9074.563014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9074.563014][ T10] [ 9074.564719][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9074.564967][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9074.564967][ T10] netdev_get_by_index+0x5e/0x80 [ 9074.564967][ T10] fib6_nh_init+0x3d8/0x1580 [ 9074.564967][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9074.564967][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9074.564967][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9074.564967][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9074.564967][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9074.564967][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9074.564967][ T10] addrconf_dad_begin+0x310/0x670 [ 9074.564967][ T10] addrconf_dad_work+0x10b/0xab0 [ 9074.564967][ T10] process_one_work+0x84d/0x18a0 [ 9074.564967][ T10] worker_thread+0x587/0xd30 [ 9074.564967][ T10] kthread+0x28a/0x350 [ 9074.564967][ T10] ret_from_fork+0x31/0x70 [ 9074.564967][ T10] ret_from_fork_asm+0x1a/0x30 [ 9074.564967][ T10] [ 9074.566886][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9074.566886][ T10] netdev_get_by_index+0x5e/0x80 [ 9074.566886][ T10] fib6_nh_init+0x3d8/0x1580 [ 9074.566886][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9074.566886][ T10] ip6_route_add+0x1c/0x140 [ 9074.566886][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9074.566886][ T10] inet6_addr_add+0x4f8/0xa40 [ 9074.566886][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9074.566886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9074.566886][ T10] netlink_rcv_skb+0x130/0x360 [ 9074.566886][ T10] netlink_unicast+0x449/0x710 [ 9074.566886][ T10] netlink_sendmsg+0x723/0xbe0 [ 9074.566886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9074.566886][ T10] ___sys_sendmsg+0xee/0x170 [ 9074.566886][ T10] __sys_sendmsg+0xcd/0x170 [ 9074.566886][ T10] do_syscall_64+0xc6/0x1e0 [ 9074.566886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9074.566886][ T10] [ 9074.568892][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9074.568892][ T10] netdev_get_by_index+0x5e/0x80 [ 9074.568892][ T10] fib6_nh_init+0x3d8/0x1580 [ 9074.568892][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9074.568892][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9074.568892][ T10] ipv6_add_addr+0x411/0x2000 [ 9074.568892][ T10] inet6_addr_add+0x30e/0xa40 [ 9074.568892][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9074.568892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9074.568892][ T10] netlink_rcv_skb+0x130/0x360 [ 9074.568892][ T10] netlink_unicast+0x449/0x710 [ 9074.568892][ T10] netlink_sendmsg+0x723/0xbe0 [ 9074.568892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9074.568892][ T10] ___sys_sendmsg+0xee/0x170 [ 9074.568892][ T10] __sys_sendmsg+0xcd/0x170 [ 9074.568892][ T10] do_syscall_64+0xc6/0x1e0 [ 9074.568892][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9074.568892][ T10] [ 9074.570891][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9074.570891][ T10] netdev_get_by_index+0x5e/0x80 [ 9074.570891][ T10] fib6_nh_init+0x3d8/0x1580 [ 9074.570891][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9074.570891][ T10] ip6_route_add+0x1c/0x140 [ 9074.570891][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9074.570891][ T10] addrconf_add_dev+0xe2/0x170 [ 9074.570891][ T10] inet6_addr_add+0x12f/0xa40 [ 9074.570891][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9074.570891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9074.570891][ T10] netlink_rcv_skb+0x130/0x360 [ 9074.570891][ T10] netlink_unicast+0x449/0x710 [ 9074.570891][ T10] netlink_sendmsg+0x723/0xbe0 [ 9074.570891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9074.570891][ T10] ___sys_sendmsg+0xee/0x170 [ 9074.570891][ T10] __sys_sendmsg+0xcd/0x170 [ 9074.570891][ T10] do_syscall_64+0xc6/0x1e0 [ 9074.570891][ T10] [ 9074.572863][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9074.572863][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9074.572863][ T10] ipv6_find_idev+0x102/0x170 [ 9074.572863][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9074.572863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9074.572863][ T10] netlink_rcv_skb+0x130/0x360 [ 9074.572863][ T10] netlink_unicast+0x449/0x710 [ 9074.572863][ T10] netlink_sendmsg+0x723/0xbe0 [ 9074.572863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9074.572863][ T10] ___sys_sendmsg+0xee/0x170 [ 9074.572863][ T10] __sys_sendmsg+0xcd/0x170 [ 9074.572863][ T10] do_syscall_64+0xc6/0x1e0 [ 9074.572863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9074.572863][ T10] [ 9074.574415][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9074.574415][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9074.574415][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9074.574415][ T10] ipv6_find_idev+0x102/0x170 [ 9074.574415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9074.574415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9074.574415][ T10] netlink_rcv_skb+0x130/0x360 [ 9074.574415][ T10] netlink_unicast+0x449/0x710 [ 9074.574415][ T10] netlink_sendmsg+0x723/0xbe0 [ 9074.574415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9074.574415][ T10] ___sys_sendmsg+0xee/0x170 [ 9074.574415][ T10] __sys_sendmsg+0xcd/0x170 [ 9074.574415][ T10] do_syscall_64+0xc6/0x1e0 [ 9074.574415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9074.574415][ T10] [ 9074.576110][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9074.576346][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9074.576346][ T10] netdev_get_by_index+0x5e/0x80 [ 9074.576346][ T10] fib6_nh_init+0x3d8/0x1580 [ 9074.576346][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9074.576346][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9074.576346][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9074.576346][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9074.576346][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9074.576346][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9074.576346][ T10] addrconf_dad_begin+0x310/0x670 [ 9074.576346][ T10] addrconf_dad_work+0x10b/0xab0 [ 9074.576346][ T10] process_one_work+0x84d/0x18a0 [ 9074.576346][ T10] worker_thread+0x587/0xd30 [ 9074.576346][ T10] kthread+0x28a/0x350 [ 9074.576346][ T10] ret_from_fork+0x31/0x70 [ 9074.576346][ T10] ret_from_fork_asm+0x1a/0x30 [ 9074.576346][ T10] [ 9074.578261][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9074.578261][ T10] netdev_get_by_index+0x5e/0x80 [ 9074.578261][ T10] fib6_nh_init+0x3d8/0x1580 [ 9074.578261][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9074.578261][ T10] ip6_route_add+0x1c/0x140 [ 9074.578261][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9074.578261][ T10] inet6_addr_add+0x4f8/0xa40 [ 9074.578261][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9074.578261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9074.578261][ T10] netlink_rcv_skb+0x130/0x360 [ 9074.578261][ T10] netlink_unicast+0x449/0x710 [ 9074.578261][ T10] netlink_sendmsg+0x723/0xbe0 [ 9074.578261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9074.578261][ T10] ___sys_sendmsg+0xee/0x170 [ 9074.578261][ T10] __sys_sendmsg+0xcd/0x170 [ 9074.578261][ T10] do_syscall_64+0xc6/0x1e0 [ 9074.578261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9074.578261][ T10] [ 9074.580443][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9074.580443][ T10] netdev_get_by_index+0x5e/0x80 [ 9074.580443][ T10] fib6_nh_init+0x3d8/0x1580 [ 9074.580443][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9074.580443][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9074.580443][ T10] ipv6_add_addr+0x411/0x2000 [ 9074.580443][ T10] inet6_addr_add+0x30e/0xa40 [ 9074.580443][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9074.580443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9074.580443][ T10] netlink_rcv_skb+0x130/0x360 [ 9074.580443][ T10] netlink_unicast+0x449/0x710 [ 9074.580443][ T10] netlink_sendmsg+0x723/0xbe0 [ 9074.580443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9074.580443][ T10] ___sys_sendmsg+0xee/0x170 [ 9074.580443][ T10] __sys_sendmsg+0xcd/0x170 [ 9074.580443][ T10] do_syscall_64+0xc6/0x1e0 [ 9074.580443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9074.580443][ T10] [ 9074.582749][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9074.582749][ T10] netdev_get_by_index+0x5e/0x80 [ 9074.582749][ T10] fib6_nh_init+0x3d8/0x1580 [ 9074.582749][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9074.582749][ T10] ip6_route_add+0x1c/0x140 [ 9074.582749][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9074.582749][ T10] addrconf_add_dev+0xe2/0x170 [ 9074.582749][ T10] inet6_addr_add+0x12f/0xa40 [ 9074.582749][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9074.582749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9074.582749][ T10] netlink_rcv_skb+0x130/0x360 [ 9074.582749][ T10] netlink_unicast+0x449/0x710 [ 9074.582749][ T10] netlink_sendmsg+0x723/0xbe0 [ 9074.582749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9074.582749][ T10] ___sys_sendmsg+0xee/0x170 [ 9074.582749][ T10] __sys_sendmsg+0xcd/0x170 [ 9074.582749][ T10] do_syscall_64+0xc6/0x1e0 [ 9074.582749][ T10] [ 9074.584887][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9074.584887][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9074.584887][ T10] ipv6_find_idev+0x102/0x170 [ 9074.584887][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9074.584887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9074.584887][ T10] netlink_rcv_skb+0x130/0x360 [ 9074.584887][ T10] netlink_unicast+0x449/0x710 [ 9074.584887][ T10] netlink_sendmsg+0x723/0xbe0 [ 9074.584887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9074.584887][ T10] ___sys_sendmsg+0xee/0x170 [ 9074.584887][ T10] __sys_sendmsg+0xcd/0x170 [ 9074.584887][ T10] do_syscall_64+0xc6/0x1e0 [ 9074.584887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9074.584887][ T10] [ 9074.586626][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9074.586626][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9074.586626][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9074.586626][ T10] ipv6_find_idev+0x102/0x170 [ 9074.586626][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9074.586626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9074.586626][ T10] netlink_rcv_skb+0x130/0x360 [ 9074.586626][ T10] netlink_unicast+0x449/0x710 [ 9074.586626][ T10] netlink_sendmsg+0x723/0xbe0 [ 9074.586626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9074.586626][ T10] ___sys_sendmsg+0xee/0x170 [ 9074.586626][ T10] __sys_sendmsg+0xcd/0x170 [ 9074.586626][ T10] do_syscall_64+0xc6/0x1e0 [ 9074.586626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9074.586626][ T10] [ 9074.588553][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9074.588791][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9074.588791][ T10] netdev_get_by_index+0x5e/0x80 [ 9074.588791][ T10] fib6_nh_init+0x3d8/0x1580 [ 9074.588791][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9074.588791][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9074.588791][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9074.588791][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9074.588791][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9074.588791][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9074.588791][ T10] addrconf_dad_begin+0x310/0x670 [ 9074.588791][ T10] addrconf_dad_work+0x10b/0xab0 [ 9074.588791][ T10] process_one_work+0x84d/0x18a0 [ 9074.588791][ T10] worker_thread+0x587/0xd30 [ 9074.588791][ T10] kthread+0x28a/0x350 [ 9074.588791][ T10] ret_from_fork+0x31/0x70 [ 9074.588791][ T10] ret_from_fork_asm+0x1a/0x30 [ 9074.588791][ T10] [ 9074.591007][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9074.591007][ T10] netdev_get_by_index+0x5e/0x80 [ 9074.591007][ T10] fib6_nh_init+0x3d8/0x1580 [ 9074.591007][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9074.591007][ T10] ip6_route_add+0x1c/0x140 [ 9074.591007][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9074.591007][ T10] inet6_addr_add+0x4f8/0xa40 [ 9074.591007][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9074.591007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9074.591007][ T10] netlink_rcv_skb+0x130/0x360 [ 9074.591007][ T10] netlink_unicast+0x449/0x710 [ 9074.591007][ T10] netlink_sendmsg+0x723/0xbe0 [ 9074.591007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9074.591007][ T10] ___sys_sendmsg+0xee/0x170 [ 9074.591007][ T10] __sys_sendmsg+0xcd/0x170 [ 9074.591007][ T10] do_syscall_64+0xc6/0x1e0 [ 9074.591007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9074.591007][ T10] [ 9074.593183][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9074.593183][ T10] netdev_get_by_index+0x5e/0x80 [ 9074.593183][ T10] fib6_nh_init+0x3d8/0x1580 [ 9074.593183][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9074.593183][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9074.593183][ T10] ipv6_add_addr+0x411/0x2000 [ 9074.593183][ T10] inet6_addr_add+0x30e/0xa40 [ 9074.593183][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9074.593183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9074.593183][ T10] netlink_rcv_skb+0x130/0x360 [ 9074.593183][ T10] netlink_unicast+0x449/0x710 [ 9074.593183][ T10] netlink_sendmsg+0x723/0xbe0 [ 9074.593183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9074.593183][ T10] ___sys_sendmsg+0xee/0x170 [ 9074.593183][ T10] __sys_sendmsg+0xcd/0x170 [ 9074.593183][ T10] do_syscall_64+0xc6/0x1e0 [ 9074.593183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9074.593183][ T10] [ 9074.595415][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9074.595415][ T10] netdev_get_by_index+0x5e/0x80 [ 9074.595415][ T10] fib6_nh_init+0x3d8/0x1580 [ 9074.595415][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9074.595415][ T10] ip6_route_add+0x1c/0x140 [ 9074.595415][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9074.595415][ T10] addrconf_add_dev+0xe2/0x170 [ 9074.595415][ T10] inet6_addr_add+0x12f/0xa40 [ 9074.595415][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9074.595415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9074.595415][ T10] netlink_rcv_skb+0x130/0x360 [ 9074.595415][ T10] netlink_unicast+0x449/0x710 [ 9074.595415][ T10] netlink_sendmsg+0x723/0xbe0 [ 9074.595415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9074.595415][ T10] ___sys_sendmsg+0xee/0x170 [ 9074.595415][ T10] __sys_sendmsg+0xcd/0x170 [ 9074.595415][ T10] do_syscall_64+0xc6/0x1e0 [ 9074.595415][ T10] [ 9074.597621][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9074.597621][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9074.597621][ T10] ipv6_find_idev+0x102/0x170 [ 9074.597621][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9074.597621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9074.597621][ T10] netlink_rcv_skb+0x130/0x360 [ 9074.597621][ T10] netlink_unicast+0x449/0x710 [ 9074.597621][ T10] netlink_sendmsg+0x723/0xbe0 [ 9074.597621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9074.597621][ T10] ___sys_sendmsg+0xee/0x170 [ 9074.597621][ T10] __sys_sendmsg+0xcd/0x170 [ 9074.597621][ T10] do_syscall_64+0xc6/0x1e0 [ 9074.597621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9074.597621][ T10] [ 9074.599343][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9074.599343][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9074.599343][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9074.599343][ T10] ipv6_find_idev+0x102/0x170 [ 9074.599343][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9074.599343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9074.599343][ T10] netlink_rcv_skb+0x130/0x360 [ 9074.599343][ T10] netlink_unicast+0x449/0x710 [ 9074.599343][ T10] netlink_sendmsg+0x723/0xbe0 [ 9074.599343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9074.599343][ T10] ___sys_sendmsg+0xee/0x170 [ 9074.599343][ T10] __sys_sendmsg+0xcd/0x170 [ 9074.599343][ T10] do_syscall_64+0xc6/0x1e0 [ 9074.599343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9074.599343][ T10] [ 9081.145097][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9081.145604][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9081.145604][ T1167] dst_init+0x84/0x4a0 [ 9081.145604][ T1167] dst_alloc+0x97/0x150 [ 9081.145604][ T1167] ip6_dst_alloc+0x23/0x90 [ 9081.145604][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9081.145604][ T1167] ip6_pol_route+0x56f/0x840 [ 9081.145604][ T1167] fib6_rule_lookup+0x334/0x630 [ 9081.145604][ T1167] ip6_route_output_flags+0x259/0x480 [ 9081.145604][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9081.145604][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9081.145604][ T1167] netlink_rcv_skb+0x130/0x360 [ 9081.145604][ T1167] netlink_unicast+0x449/0x710 [ 9081.145604][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9081.145604][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9081.145604][ T1167] ___sys_sendmsg+0xee/0x170 [ 9081.145604][ T1167] __sys_sendmsg+0xcd/0x170 [ 9081.145604][ T1167] do_syscall_64+0xc6/0x1e0 [ 9081.145604][ T1167] [ 9081.147804][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9081.147804][ T1167] netdev_get_by_index+0x5e/0x80 [ 9081.147804][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9081.147804][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9081.147804][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9081.147804][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9081.147804][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9081.147804][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9081.147804][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9081.147804][ T1167] addrconf_dad_begin+0x310/0x670 [ 9081.147804][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9081.147804][ T1167] process_one_work+0x84d/0x18a0 [ 9081.147804][ T1167] worker_thread+0x587/0xd30 [ 9081.147804][ T1167] kthread+0x28a/0x350 [ 9081.147804][ T1167] ret_from_fork+0x31/0x70 [ 9081.147804][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9081.147804][ T1167] [ 9081.149940][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9081.149940][ T1167] netdev_get_by_index+0x5e/0x80 [ 9081.149940][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9081.149940][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9081.149940][ T1167] ip6_route_add+0x1c/0x140 [ 9081.149940][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9081.149940][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9081.149940][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9081.149940][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9081.149940][ T1167] netlink_rcv_skb+0x130/0x360 [ 9081.149940][ T1167] netlink_unicast+0x449/0x710 [ 9081.149940][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9081.149940][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9081.149940][ T1167] ___sys_sendmsg+0xee/0x170 [ 9081.149940][ T1167] __sys_sendmsg+0xcd/0x170 [ 9081.149940][ T1167] do_syscall_64+0xc6/0x1e0 [ 9081.149940][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9081.149940][ T1167] [ 9081.152173][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9081.152173][ T1167] netdev_get_by_index+0x5e/0x80 [ 9081.152173][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9081.152173][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9081.152173][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9081.152173][ T1167] ipv6_add_addr+0x411/0x2000 [ 9081.152173][ T1167] inet6_addr_add+0x30e/0xa40 [ 9081.152173][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9081.152173][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9081.152173][ T1167] netlink_rcv_skb+0x130/0x360 [ 9081.152173][ T1167] netlink_unicast+0x449/0x710 [ 9081.152173][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9081.152173][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9081.152173][ T1167] ___sys_sendmsg+0xee/0x170 [ 9081.152173][ T1167] __sys_sendmsg+0xcd/0x170 [ 9081.152173][ T1167] do_syscall_64+0xc6/0x1e0 [ 9081.152173][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9081.152173][ T1167] [ 9081.154406][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9081.154406][ T1167] netdev_get_by_index+0x5e/0x80 [ 9081.154406][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9081.154406][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9081.154406][ T1167] ip6_route_add+0x1c/0x140 [ 9081.154406][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9081.154406][ T1167] addrconf_add_dev+0xe2/0x170 [ 9081.154406][ T1167] inet6_addr_add+0x12f/0xa40 [ 9081.154406][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9081.154406][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9081.154406][ T1167] netlink_rcv_skb+0x130/0x360 [ 9081.154406][ T1167] netlink_unicast+0x449/0x710 [ 9081.154406][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9081.154406][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9081.154406][ T1167] ___sys_sendmsg+0xee/0x170 [ 9081.154406][ T1167] __sys_sendmsg+0xcd/0x170 [ 9081.154406][ T1167] do_syscall_64+0xc6/0x1e0 [ 9081.154406][ T1167] [ 9081.156603][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9081.156603][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9081.156603][ T1167] ipv6_find_idev+0x102/0x170 [ 9081.156603][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9081.156603][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9081.156603][ T1167] netlink_rcv_skb+0x130/0x360 [ 9081.156603][ T1167] netlink_unicast+0x449/0x710 [ 9081.156603][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9081.156603][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9081.156603][ T1167] ___sys_sendmsg+0xee/0x170 [ 9081.156603][ T1167] __sys_sendmsg+0xcd/0x170 [ 9081.156603][ T1167] do_syscall_64+0xc6/0x1e0 [ 9081.156603][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9081.156603][ T1167] [ 9081.158320][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9081.158320][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9081.158320][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9081.158320][ T1167] ipv6_find_idev+0x102/0x170 [ 9081.158320][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9081.158320][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9081.158320][ T1167] netlink_rcv_skb+0x130/0x360 [ 9081.158320][ T1167] netlink_unicast+0x449/0x710 [ 9081.158320][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9081.158320][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9081.158320][ T1167] ___sys_sendmsg+0xee/0x170 [ 9081.158320][ T1167] __sys_sendmsg+0xcd/0x170 [ 9081.158320][ T1167] do_syscall_64+0xc6/0x1e0 [ 9081.158320][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9081.158320][ T1167] [ 9084.857128][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9084.857543][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9084.857543][ T10] netdev_get_by_index+0x5e/0x80 [ 9084.857543][ T10] fib6_nh_init+0x3d8/0x1580 [ 9084.857543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9084.857543][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9084.857543][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9084.857543][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9084.857543][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9084.857543][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9084.857543][ T10] addrconf_dad_begin+0x310/0x670 [ 9084.857543][ T10] addrconf_dad_work+0x10b/0xab0 [ 9084.857543][ T10] process_one_work+0x84d/0x18a0 [ 9084.857543][ T10] worker_thread+0x587/0xd30 [ 9084.857543][ T10] kthread+0x28a/0x350 [ 9084.857543][ T10] ret_from_fork+0x31/0x70 [ 9084.857543][ T10] ret_from_fork_asm+0x1a/0x30 [ 9084.857543][ T10] [ 9084.859505][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9084.859505][ T10] netdev_get_by_index+0x5e/0x80 [ 9084.859505][ T10] fib6_nh_init+0x3d8/0x1580 [ 9084.859505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9084.859505][ T10] ip6_route_add+0x1c/0x140 [ 9084.859505][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9084.859505][ T10] inet6_addr_add+0x4f8/0xa40 [ 9084.859505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9084.859505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9084.859505][ T10] netlink_rcv_skb+0x130/0x360 [ 9084.859505][ T10] netlink_unicast+0x449/0x710 [ 9084.859505][ T10] netlink_sendmsg+0x723/0xbe0 [ 9084.859505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9084.859505][ T10] ___sys_sendmsg+0xee/0x170 [ 9084.859505][ T10] __sys_sendmsg+0xcd/0x170 [ 9084.859505][ T10] do_syscall_64+0xc6/0x1e0 [ 9084.859505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9084.859505][ T10] [ 9084.861530][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9084.861530][ T10] netdev_get_by_index+0x5e/0x80 [ 9084.861530][ T10] fib6_nh_init+0x3d8/0x1580 [ 9084.861530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9084.861530][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9084.861530][ T10] ipv6_add_addr+0x411/0x2000 [ 9084.861530][ T10] inet6_addr_add+0x30e/0xa40 [ 9084.861530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9084.861530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9084.861530][ T10] netlink_rcv_skb+0x130/0x360 [ 9084.861530][ T10] netlink_unicast+0x449/0x710 [ 9084.861530][ T10] netlink_sendmsg+0x723/0xbe0 [ 9084.861530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9084.861530][ T10] ___sys_sendmsg+0xee/0x170 [ 9084.861530][ T10] __sys_sendmsg+0xcd/0x170 [ 9084.861530][ T10] do_syscall_64+0xc6/0x1e0 [ 9084.861530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9084.861530][ T10] [ 9084.863538][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9084.863538][ T10] netdev_get_by_index+0x5e/0x80 [ 9084.863538][ T10] fib6_nh_init+0x3d8/0x1580 [ 9084.863538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9084.863538][ T10] ip6_route_add+0x1c/0x140 [ 9084.863538][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9084.863538][ T10] addrconf_add_dev+0xe2/0x170 [ 9084.863538][ T10] inet6_addr_add+0x12f/0xa40 [ 9084.863538][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9084.863538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9084.863538][ T10] netlink_rcv_skb+0x130/0x360 [ 9084.863538][ T10] netlink_unicast+0x449/0x710 [ 9084.863538][ T10] netlink_sendmsg+0x723/0xbe0 [ 9084.863538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9084.863538][ T10] ___sys_sendmsg+0xee/0x170 [ 9084.863538][ T10] __sys_sendmsg+0xcd/0x170 [ 9084.863538][ T10] do_syscall_64+0xc6/0x1e0 [ 9084.863538][ T10] [ 9084.865525][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9084.865525][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9084.865525][ T10] ipv6_find_idev+0x102/0x170 [ 9084.865525][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9084.865525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9084.865525][ T10] netlink_rcv_skb+0x130/0x360 [ 9084.865525][ T10] netlink_unicast+0x449/0x710 [ 9084.865525][ T10] netlink_sendmsg+0x723/0xbe0 [ 9084.865525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9084.865525][ T10] ___sys_sendmsg+0xee/0x170 [ 9084.865525][ T10] __sys_sendmsg+0xcd/0x170 [ 9084.865525][ T10] do_syscall_64+0xc6/0x1e0 [ 9084.865525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9084.865525][ T10] [ 9084.867084][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9084.867084][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9084.867084][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9084.867084][ T10] ipv6_find_idev+0x102/0x170 [ 9084.867084][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9084.867084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9084.867084][ T10] netlink_rcv_skb+0x130/0x360 [ 9084.867084][ T10] netlink_unicast+0x449/0x710 [ 9084.867084][ T10] netlink_sendmsg+0x723/0xbe0 [ 9084.867084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9084.867084][ T10] ___sys_sendmsg+0xee/0x170 [ 9084.867084][ T10] __sys_sendmsg+0xcd/0x170 [ 9084.867084][ T10] do_syscall_64+0xc6/0x1e0 [ 9084.867084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9084.867084][ T10] [ 9084.868779][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9084.869025][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9084.869025][ T10] netdev_get_by_index+0x5e/0x80 [ 9084.869025][ T10] fib6_nh_init+0x3d8/0x1580 [ 9084.869025][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9084.869025][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9084.869025][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9084.869025][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9084.869025][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9084.869025][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9084.869025][ T10] addrconf_dad_begin+0x310/0x670 [ 9084.869025][ T10] addrconf_dad_work+0x10b/0xab0 [ 9084.869025][ T10] process_one_work+0x84d/0x18a0 [ 9084.869025][ T10] worker_thread+0x587/0xd30 [ 9084.869025][ T10] kthread+0x28a/0x350 [ 9084.869025][ T10] ret_from_fork+0x31/0x70 [ 9084.869025][ T10] ret_from_fork_asm+0x1a/0x30 [ 9084.869025][ T10] [ 9084.870942][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9084.870942][ T10] netdev_get_by_index+0x5e/0x80 [ 9084.870942][ T10] fib6_nh_init+0x3d8/0x1580 [ 9084.870942][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9084.870942][ T10] ip6_route_add+0x1c/0x140 [ 9084.870942][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9084.870942][ T10] inet6_addr_add+0x4f8/0xa40 [ 9084.870942][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9084.870942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9084.870942][ T10] netlink_rcv_skb+0x130/0x360 [ 9084.870942][ T10] netlink_unicast+0x449/0x710 [ 9084.870942][ T10] netlink_sendmsg+0x723/0xbe0 [ 9084.870942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9084.870942][ T10] ___sys_sendmsg+0xee/0x170 [ 9084.870942][ T10] __sys_sendmsg+0xcd/0x170 [ 9084.870942][ T10] do_syscall_64+0xc6/0x1e0 [ 9084.870942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9084.870942][ T10] [ 9084.872952][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9084.872952][ T10] netdev_get_by_index+0x5e/0x80 [ 9084.872952][ T10] fib6_nh_init+0x3d8/0x1580 [ 9084.872952][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9084.872952][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9084.872952][ T10] ipv6_add_addr+0x411/0x2000 [ 9084.872952][ T10] inet6_addr_add+0x30e/0xa40 [ 9084.872952][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9084.872952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9084.872952][ T10] netlink_rcv_skb+0x130/0x360 [ 9084.872952][ T10] netlink_unicast+0x449/0x710 [ 9084.872952][ T10] netlink_sendmsg+0x723/0xbe0 [ 9084.872952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9084.872952][ T10] ___sys_sendmsg+0xee/0x170 [ 9084.872952][ T10] __sys_sendmsg+0xcd/0x170 [ 9084.872952][ T10] do_syscall_64+0xc6/0x1e0 [ 9084.872952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9084.872952][ T10] [ 9084.874961][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9084.874961][ T10] netdev_get_by_index+0x5e/0x80 [ 9084.874961][ T10] fib6_nh_init+0x3d8/0x1580 [ 9084.874961][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9084.874961][ T10] ip6_route_add+0x1c/0x140 [ 9084.874961][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9084.874961][ T10] addrconf_add_dev+0xe2/0x170 [ 9084.874961][ T10] inet6_addr_add+0x12f/0xa40 [ 9084.874961][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9084.874961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9084.874961][ T10] netlink_rcv_skb+0x130/0x360 [ 9084.874961][ T10] netlink_unicast+0x449/0x710 [ 9084.874961][ T10] netlink_sendmsg+0x723/0xbe0 [ 9084.874961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9084.874961][ T10] ___sys_sendmsg+0xee/0x170 [ 9084.874961][ T10] __sys_sendmsg+0xcd/0x170 [ 9084.874961][ T10] do_syscall_64+0xc6/0x1e0 [ 9084.874961][ T10] [ 9084.876941][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9084.876941][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9084.876941][ T10] ipv6_find_idev+0x102/0x170 [ 9084.876941][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9084.876941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9084.876941][ T10] netlink_rcv_skb+0x130/0x360 [ 9084.876941][ T10] netlink_unicast+0x449/0x710 [ 9084.876941][ T10] netlink_sendmsg+0x723/0xbe0 [ 9084.876941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9084.876941][ T10] ___sys_sendmsg+0xee/0x170 [ 9084.876941][ T10] __sys_sendmsg+0xcd/0x170 [ 9084.876941][ T10] do_syscall_64+0xc6/0x1e0 [ 9084.876941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9084.876941][ T10] [ 9084.878483][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9084.878483][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9084.878483][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9084.878483][ T10] ipv6_find_idev+0x102/0x170 [ 9084.878483][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9084.878483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9084.878483][ T10] netlink_rcv_skb+0x130/0x360 [ 9084.878483][ T10] netlink_unicast+0x449/0x710 [ 9084.878483][ T10] netlink_sendmsg+0x723/0xbe0 [ 9084.878483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9084.878483][ T10] ___sys_sendmsg+0xee/0x170 [ 9084.878483][ T10] __sys_sendmsg+0xcd/0x170 [ 9084.878483][ T10] do_syscall_64+0xc6/0x1e0 [ 9084.878483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9084.878483][ T10] [ 9084.880170][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9084.880407][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9084.880407][ T10] netdev_get_by_index+0x5e/0x80 [ 9084.880407][ T10] fib6_nh_init+0x3d8/0x1580 [ 9084.880407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9084.880407][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9084.880407][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9084.880407][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9084.880407][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9084.880407][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9084.880407][ T10] addrconf_dad_begin+0x310/0x670 [ 9084.880407][ T10] addrconf_dad_work+0x10b/0xab0 [ 9084.880407][ T10] process_one_work+0x84d/0x18a0 [ 9084.880407][ T10] worker_thread+0x587/0xd30 [ 9084.880407][ T10] kthread+0x28a/0x350 [ 9084.880407][ T10] ret_from_fork+0x31/0x70 [ 9084.880407][ T10] ret_from_fork_asm+0x1a/0x30 [ 9084.880407][ T10] [ 9084.882331][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9084.882331][ T10] netdev_get_by_index+0x5e/0x80 [ 9084.882331][ T10] fib6_nh_init+0x3d8/0x1580 [ 9084.882331][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9084.882331][ T10] ip6_route_add+0x1c/0x140 [ 9084.882331][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9084.882331][ T10] inet6_addr_add+0x4f8/0xa40 [ 9084.882331][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9084.882331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9084.882331][ T10] netlink_rcv_skb+0x130/0x360 [ 9084.882331][ T10] netlink_unicast+0x449/0x710 [ 9084.882331][ T10] netlink_sendmsg+0x723/0xbe0 [ 9084.882331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9084.882331][ T10] ___sys_sendmsg+0xee/0x170 [ 9084.882331][ T10] __sys_sendmsg+0xcd/0x170 [ 9084.882331][ T10] do_syscall_64+0xc6/0x1e0 [ 9084.882331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9084.882331][ T10] [ 9084.884513][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9084.884513][ T10] netdev_get_by_index+0x5e/0x80 [ 9084.884513][ T10] fib6_nh_init+0x3d8/0x1580 [ 9084.884513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9084.884513][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9084.884513][ T10] ipv6_add_addr+0x411/0x2000 [ 9084.884513][ T10] inet6_addr_add+0x30e/0xa40 [ 9084.884513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9084.884513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9084.884513][ T10] netlink_rcv_skb+0x130/0x360 [ 9084.884513][ T10] netlink_unicast+0x449/0x710 [ 9084.884513][ T10] netlink_sendmsg+0x723/0xbe0 [ 9084.884513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9084.884513][ T10] ___sys_sendmsg+0xee/0x170 [ 9084.884513][ T10] __sys_sendmsg+0xcd/0x170 [ 9084.884513][ T10] do_syscall_64+0xc6/0x1e0 [ 9084.884513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9084.884513][ T10] [ 9084.886828][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9084.886828][ T10] netdev_get_by_index+0x5e/0x80 [ 9084.886828][ T10] fib6_nh_init+0x3d8/0x1580 [ 9084.886828][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9084.886828][ T10] ip6_route_add+0x1c/0x140 [ 9084.886828][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9084.886828][ T10] addrconf_add_dev+0xe2/0x170 [ 9084.886828][ T10] inet6_addr_add+0x12f/0xa40 [ 9084.886828][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9084.886828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9084.886828][ T10] netlink_rcv_skb+0x130/0x360 [ 9084.886828][ T10] netlink_unicast+0x449/0x710 [ 9084.886828][ T10] netlink_sendmsg+0x723/0xbe0 [ 9084.886828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9084.886828][ T10] ___sys_sendmsg+0xee/0x170 [ 9084.886828][ T10] __sys_sendmsg+0xcd/0x170 [ 9084.886828][ T10] do_syscall_64+0xc6/0x1e0 [ 9084.886828][ T10] [ 9084.888971][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9084.888971][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9084.888971][ T10] ipv6_find_idev+0x102/0x170 [ 9084.888971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9084.888971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9084.888971][ T10] netlink_rcv_skb+0x130/0x360 [ 9084.888971][ T10] netlink_unicast+0x449/0x710 [ 9084.888971][ T10] netlink_sendmsg+0x723/0xbe0 [ 9084.888971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9084.888971][ T10] ___sys_sendmsg+0xee/0x170 [ 9084.888971][ T10] __sys_sendmsg+0xcd/0x170 [ 9084.888971][ T10] do_syscall_64+0xc6/0x1e0 [ 9084.888971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9084.888971][ T10] [ 9084.890697][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9084.890697][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9084.890697][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9084.890697][ T10] ipv6_find_idev+0x102/0x170 [ 9084.890697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9084.890697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9084.890697][ T10] netlink_rcv_skb+0x130/0x360 [ 9084.890697][ T10] netlink_unicast+0x449/0x710 [ 9084.890697][ T10] netlink_sendmsg+0x723/0xbe0 [ 9084.890697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9084.890697][ T10] ___sys_sendmsg+0xee/0x170 [ 9084.890697][ T10] __sys_sendmsg+0xcd/0x170 [ 9084.890697][ T10] do_syscall_64+0xc6/0x1e0 [ 9084.890697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9084.890697][ T10] [ 9084.892637][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9084.892875][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9084.892875][ T10] netdev_get_by_index+0x5e/0x80 [ 9084.892875][ T10] fib6_nh_init+0x3d8/0x1580 [ 9084.892875][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9084.892875][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9084.892875][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9084.892875][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9084.892875][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9084.892875][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9084.892875][ T10] addrconf_dad_begin+0x310/0x670 [ 9084.892875][ T10] addrconf_dad_work+0x10b/0xab0 [ 9084.892875][ T10] process_one_work+0x84d/0x18a0 [ 9084.892875][ T10] worker_thread+0x587/0xd30 [ 9084.892875][ T10] kthread+0x28a/0x350 [ 9084.892875][ T10] ret_from_fork+0x31/0x70 [ 9084.892875][ T10] ret_from_fork_asm+0x1a/0x30 [ 9084.892875][ T10] [ 9084.895097][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9084.895097][ T10] netdev_get_by_index+0x5e/0x80 [ 9084.895097][ T10] fib6_nh_init+0x3d8/0x1580 [ 9084.895097][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9084.895097][ T10] ip6_route_add+0x1c/0x140 [ 9084.895097][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9084.895097][ T10] inet6_addr_add+0x4f8/0xa40 [ 9084.895097][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9084.895097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9084.895097][ T10] netlink_rcv_skb+0x130/0x360 [ 9084.895097][ T10] netlink_unicast+0x449/0x710 [ 9084.895097][ T10] netlink_sendmsg+0x723/0xbe0 [ 9084.895097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9084.895097][ T10] ___sys_sendmsg+0xee/0x170 [ 9084.895097][ T10] __sys_sendmsg+0xcd/0x170 [ 9084.895097][ T10] do_syscall_64+0xc6/0x1e0 [ 9084.895097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9084.895097][ T10] [ 9084.897282][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9084.897282][ T10] netdev_get_by_index+0x5e/0x80 [ 9084.897282][ T10] fib6_nh_init+0x3d8/0x1580 [ 9084.897282][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9084.897282][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9084.897282][ T10] ipv6_add_addr+0x411/0x2000 [ 9084.897282][ T10] inet6_addr_add+0x30e/0xa40 [ 9084.897282][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9084.897282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9084.897282][ T10] netlink_rcv_skb+0x130/0x360 [ 9084.897282][ T10] netlink_unicast+0x449/0x710 [ 9084.897282][ T10] netlink_sendmsg+0x723/0xbe0 [ 9084.897282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9084.897282][ T10] ___sys_sendmsg+0xee/0x170 [ 9084.897282][ T10] __sys_sendmsg+0xcd/0x170 [ 9084.897282][ T10] do_syscall_64+0xc6/0x1e0 [ 9084.897282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9084.897282][ T10] [ 9084.899527][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9084.899527][ T10] netdev_get_by_index+0x5e/0x80 [ 9084.899527][ T10] fib6_nh_init+0x3d8/0x1580 [ 9084.899527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9084.899527][ T10] ip6_route_add+0x1c/0x140 [ 9084.899527][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9084.899527][ T10] addrconf_add_dev+0xe2/0x170 [ 9084.899527][ T10] inet6_addr_add+0x12f/0xa40 [ 9084.899527][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9084.899527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9084.899527][ T10] netlink_rcv_skb+0x130/0x360 [ 9084.899527][ T10] netlink_unicast+0x449/0x710 [ 9084.899527][ T10] netlink_sendmsg+0x723/0xbe0 [ 9084.899527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9084.899527][ T10] ___sys_sendmsg+0xee/0x170 [ 9084.899527][ T10] __sys_sendmsg+0xcd/0x170 [ 9084.899527][ T10] do_syscall_64+0xc6/0x1e0 [ 9084.899527][ T10] [ 9084.901733][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9084.901733][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9084.901733][ T10] ipv6_find_idev+0x102/0x170 [ 9084.901733][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9084.901733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9084.901733][ T10] netlink_rcv_skb+0x130/0x360 [ 9084.901733][ T10] netlink_unicast+0x449/0x710 [ 9084.901733][ T10] netlink_sendmsg+0x723/0xbe0 [ 9084.901733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9084.901733][ T10] ___sys_sendmsg+0xee/0x170 [ 9084.901733][ T10] __sys_sendmsg+0xcd/0x170 [ 9084.901733][ T10] do_syscall_64+0xc6/0x1e0 [ 9084.901733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9084.901733][ T10] [ 9084.903463][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9084.903463][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9084.903463][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9084.903463][ T10] ipv6_find_idev+0x102/0x170 [ 9084.903463][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9084.903463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9084.903463][ T10] netlink_rcv_skb+0x130/0x360 [ 9084.903463][ T10] netlink_unicast+0x449/0x710 [ 9084.903463][ T10] netlink_sendmsg+0x723/0xbe0 [ 9084.903463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9084.903463][ T10] ___sys_sendmsg+0xee/0x170 [ 9084.903463][ T10] __sys_sendmsg+0xcd/0x170 [ 9084.903463][ T10] do_syscall_64+0xc6/0x1e0 [ 9084.903463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9084.903463][ T10] [ 9091.401105][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9091.401523][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9091.401523][ T1167] dst_init+0x84/0x4a0 [ 9091.401523][ T1167] dst_alloc+0x97/0x150 [ 9091.401523][ T1167] ip6_dst_alloc+0x23/0x90 [ 9091.401523][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9091.401523][ T1167] ip6_pol_route+0x56f/0x840 [ 9091.401523][ T1167] fib6_rule_lookup+0x334/0x630 [ 9091.401523][ T1167] ip6_route_output_flags+0x259/0x480 [ 9091.401523][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9091.401523][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9091.401523][ T1167] netlink_rcv_skb+0x130/0x360 [ 9091.401523][ T1167] netlink_unicast+0x449/0x710 [ 9091.401523][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9091.401523][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9091.401523][ T1167] ___sys_sendmsg+0xee/0x170 [ 9091.401523][ T1167] __sys_sendmsg+0xcd/0x170 [ 9091.401523][ T1167] do_syscall_64+0xc6/0x1e0 [ 9091.401523][ T1167] [ 9091.403723][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9091.403723][ T1167] netdev_get_by_index+0x5e/0x80 [ 9091.403723][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9091.403723][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9091.403723][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9091.403723][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9091.403723][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9091.403723][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9091.403723][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9091.403723][ T1167] addrconf_dad_begin+0x310/0x670 [ 9091.403723][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9091.403723][ T1167] process_one_work+0x84d/0x18a0 [ 9091.403723][ T1167] worker_thread+0x587/0xd30 [ 9091.403723][ T1167] kthread+0x28a/0x350 [ 9091.403723][ T1167] ret_from_fork+0x31/0x70 [ 9091.403723][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9091.403723][ T1167] [ 9091.405861][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9091.405861][ T1167] netdev_get_by_index+0x5e/0x80 [ 9091.405861][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9091.405861][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9091.405861][ T1167] ip6_route_add+0x1c/0x140 [ 9091.405861][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9091.405861][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9091.405861][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9091.405861][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9091.405861][ T1167] netlink_rcv_skb+0x130/0x360 [ 9091.405861][ T1167] netlink_unicast+0x449/0x710 [ 9091.405861][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9091.405861][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9091.405861][ T1167] ___sys_sendmsg+0xee/0x170 [ 9091.405861][ T1167] __sys_sendmsg+0xcd/0x170 [ 9091.405861][ T1167] do_syscall_64+0xc6/0x1e0 [ 9091.405861][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9091.405861][ T1167] [ 9091.408083][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9091.408083][ T1167] netdev_get_by_index+0x5e/0x80 [ 9091.408083][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9091.408083][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9091.408083][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9091.408083][ T1167] ipv6_add_addr+0x411/0x2000 [ 9091.408083][ T1167] inet6_addr_add+0x30e/0xa40 [ 9091.408083][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9091.408083][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9091.408083][ T1167] netlink_rcv_skb+0x130/0x360 [ 9091.408083][ T1167] netlink_unicast+0x449/0x710 [ 9091.408083][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9091.408083][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9091.408083][ T1167] ___sys_sendmsg+0xee/0x170 [ 9091.408083][ T1167] __sys_sendmsg+0xcd/0x170 [ 9091.408083][ T1167] do_syscall_64+0xc6/0x1e0 [ 9091.408083][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9091.408083][ T1167] [ 9091.410313][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9091.410313][ T1167] netdev_get_by_index+0x5e/0x80 [ 9091.410313][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9091.410313][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9091.410313][ T1167] ip6_route_add+0x1c/0x140 [ 9091.410313][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9091.410313][ T1167] addrconf_add_dev+0xe2/0x170 [ 9091.410313][ T1167] inet6_addr_add+0x12f/0xa40 [ 9091.410313][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9091.410313][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9091.410313][ T1167] netlink_rcv_skb+0x130/0x360 [ 9091.410313][ T1167] netlink_unicast+0x449/0x710 [ 9091.410313][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9091.410313][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9091.410313][ T1167] ___sys_sendmsg+0xee/0x170 [ 9091.410313][ T1167] __sys_sendmsg+0xcd/0x170 [ 9091.410313][ T1167] do_syscall_64+0xc6/0x1e0 [ 9091.410313][ T1167] [ 9091.412503][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9091.412503][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9091.412503][ T1167] ipv6_find_idev+0x102/0x170 [ 9091.412503][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9091.412503][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9091.412503][ T1167] netlink_rcv_skb+0x130/0x360 [ 9091.412503][ T1167] netlink_unicast+0x449/0x710 [ 9091.412503][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9091.412503][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9091.412503][ T1167] ___sys_sendmsg+0xee/0x170 [ 9091.412503][ T1167] __sys_sendmsg+0xcd/0x170 [ 9091.412503][ T1167] do_syscall_64+0xc6/0x1e0 [ 9091.412503][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9091.412503][ T1167] [ 9091.414221][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9091.414221][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9091.414221][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9091.414221][ T1167] ipv6_find_idev+0x102/0x170 [ 9091.414221][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9091.414221][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9091.414221][ T1167] netlink_rcv_skb+0x130/0x360 [ 9091.414221][ T1167] netlink_unicast+0x449/0x710 [ 9091.414221][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9091.414221][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9091.414221][ T1167] ___sys_sendmsg+0xee/0x170 [ 9091.414221][ T1167] __sys_sendmsg+0xcd/0x170 [ 9091.414221][ T1167] do_syscall_64+0xc6/0x1e0 [ 9091.414221][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9091.414221][ T1167] [ 9094.961124][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9094.961548][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9094.961548][ T10] netdev_get_by_index+0x5e/0x80 [ 9094.961548][ T10] fib6_nh_init+0x3d8/0x1580 [ 9094.961548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9094.961548][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9094.961548][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9094.961548][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9094.961548][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9094.961548][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9094.961548][ T10] addrconf_dad_begin+0x310/0x670 [ 9094.961548][ T10] addrconf_dad_work+0x10b/0xab0 [ 9094.961548][ T10] process_one_work+0x84d/0x18a0 [ 9094.961548][ T10] worker_thread+0x587/0xd30 [ 9094.961548][ T10] kthread+0x28a/0x350 [ 9094.961548][ T10] ret_from_fork+0x31/0x70 [ 9094.961548][ T10] ret_from_fork_asm+0x1a/0x30 [ 9094.961548][ T10] [ 9094.963498][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9094.963498][ T10] netdev_get_by_index+0x5e/0x80 [ 9094.963498][ T10] fib6_nh_init+0x3d8/0x1580 [ 9094.963498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9094.963498][ T10] ip6_route_add+0x1c/0x140 [ 9094.963498][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9094.963498][ T10] inet6_addr_add+0x4f8/0xa40 [ 9094.963498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9094.963498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9094.963498][ T10] netlink_rcv_skb+0x130/0x360 [ 9094.963498][ T10] netlink_unicast+0x449/0x710 [ 9094.963498][ T10] netlink_sendmsg+0x723/0xbe0 [ 9094.963498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9094.963498][ T10] ___sys_sendmsg+0xee/0x170 [ 9094.963498][ T10] __sys_sendmsg+0xcd/0x170 [ 9094.963498][ T10] do_syscall_64+0xc6/0x1e0 [ 9094.963498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9094.963498][ T10] [ 9094.965525][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9094.965525][ T10] netdev_get_by_index+0x5e/0x80 [ 9094.965525][ T10] fib6_nh_init+0x3d8/0x1580 [ 9094.965525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9094.965525][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9094.965525][ T10] ipv6_add_addr+0x411/0x2000 [ 9094.965525][ T10] inet6_addr_add+0x30e/0xa40 [ 9094.965525][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9094.965525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9094.965525][ T10] netlink_rcv_skb+0x130/0x360 [ 9094.965525][ T10] netlink_unicast+0x449/0x710 [ 9094.965525][ T10] netlink_sendmsg+0x723/0xbe0 [ 9094.965525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9094.965525][ T10] ___sys_sendmsg+0xee/0x170 [ 9094.965525][ T10] __sys_sendmsg+0xcd/0x170 [ 9094.965525][ T10] do_syscall_64+0xc6/0x1e0 [ 9094.965525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9094.965525][ T10] [ 9094.967547][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9094.967547][ T10] netdev_get_by_index+0x5e/0x80 [ 9094.967547][ T10] fib6_nh_init+0x3d8/0x1580 [ 9094.967547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9094.967547][ T10] ip6_route_add+0x1c/0x140 [ 9094.967547][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9094.967547][ T10] addrconf_add_dev+0xe2/0x170 [ 9094.967547][ T10] inet6_addr_add+0x12f/0xa40 [ 9094.967547][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9094.967547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9094.967547][ T10] netlink_rcv_skb+0x130/0x360 [ 9094.967547][ T10] netlink_unicast+0x449/0x710 [ 9094.967547][ T10] netlink_sendmsg+0x723/0xbe0 [ 9094.967547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9094.967547][ T10] ___sys_sendmsg+0xee/0x170 [ 9094.967547][ T10] __sys_sendmsg+0xcd/0x170 [ 9094.967547][ T10] do_syscall_64+0xc6/0x1e0 [ 9094.967547][ T10] [ 9094.969516][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9094.969516][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9094.969516][ T10] ipv6_find_idev+0x102/0x170 [ 9094.969516][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9094.969516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9094.969516][ T10] netlink_rcv_skb+0x130/0x360 [ 9094.969516][ T10] netlink_unicast+0x449/0x710 [ 9094.969516][ T10] netlink_sendmsg+0x723/0xbe0 [ 9094.969516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9094.969516][ T10] ___sys_sendmsg+0xee/0x170 [ 9094.969516][ T10] __sys_sendmsg+0xcd/0x170 [ 9094.969516][ T10] do_syscall_64+0xc6/0x1e0 [ 9094.969516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9094.969516][ T10] [ 9094.971060][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9094.971060][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9094.971060][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9094.971060][ T10] ipv6_find_idev+0x102/0x170 [ 9094.971060][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9094.971060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9094.971060][ T10] netlink_rcv_skb+0x130/0x360 [ 9094.971060][ T10] netlink_unicast+0x449/0x710 [ 9094.971060][ T10] netlink_sendmsg+0x723/0xbe0 [ 9094.971060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9094.971060][ T10] ___sys_sendmsg+0xee/0x170 [ 9094.971060][ T10] __sys_sendmsg+0xcd/0x170 [ 9094.971060][ T10] do_syscall_64+0xc6/0x1e0 [ 9094.971060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9094.971060][ T10] [ 9094.972764][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9094.973006][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9094.973006][ T10] netdev_get_by_index+0x5e/0x80 [ 9094.973006][ T10] fib6_nh_init+0x3d8/0x1580 [ 9094.973006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9094.973006][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9094.973006][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9094.973006][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9094.973006][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9094.973006][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9094.973006][ T10] addrconf_dad_begin+0x310/0x670 [ 9094.973006][ T10] addrconf_dad_work+0x10b/0xab0 [ 9094.973006][ T10] process_one_work+0x84d/0x18a0 [ 9094.973006][ T10] worker_thread+0x587/0xd30 [ 9094.973006][ T10] kthread+0x28a/0x350 [ 9094.973006][ T10] ret_from_fork+0x31/0x70 [ 9094.973006][ T10] ret_from_fork_asm+0x1a/0x30 [ 9094.973006][ T10] [ 9094.974916][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9094.974916][ T10] netdev_get_by_index+0x5e/0x80 [ 9094.974916][ T10] fib6_nh_init+0x3d8/0x1580 [ 9094.974916][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9094.974916][ T10] ip6_route_add+0x1c/0x140 [ 9094.974916][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9094.974916][ T10] inet6_addr_add+0x4f8/0xa40 [ 9094.974916][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9094.974916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9094.974916][ T10] netlink_rcv_skb+0x130/0x360 [ 9094.974916][ T10] netlink_unicast+0x449/0x710 [ 9094.974916][ T10] netlink_sendmsg+0x723/0xbe0 [ 9094.974916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9094.974916][ T10] ___sys_sendmsg+0xee/0x170 [ 9094.974916][ T10] __sys_sendmsg+0xcd/0x170 [ 9094.974916][ T10] do_syscall_64+0xc6/0x1e0 [ 9094.974916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9094.974916][ T10] [ 9094.976928][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9094.976928][ T10] netdev_get_by_index+0x5e/0x80 [ 9094.976928][ T10] fib6_nh_init+0x3d8/0x1580 [ 9094.976928][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9094.976928][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9094.976928][ T10] ipv6_add_addr+0x411/0x2000 [ 9094.976928][ T10] inet6_addr_add+0x30e/0xa40 [ 9094.976928][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9094.976928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9094.976928][ T10] netlink_rcv_skb+0x130/0x360 [ 9094.976928][ T10] netlink_unicast+0x449/0x710 [ 9094.976928][ T10] netlink_sendmsg+0x723/0xbe0 [ 9094.976928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9094.976928][ T10] ___sys_sendmsg+0xee/0x170 [ 9094.976928][ T10] __sys_sendmsg+0xcd/0x170 [ 9094.976928][ T10] do_syscall_64+0xc6/0x1e0 [ 9094.976928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9094.976928][ T10] [ 9094.978932][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9094.978932][ T10] netdev_get_by_index+0x5e/0x80 [ 9094.978932][ T10] fib6_nh_init+0x3d8/0x1580 [ 9094.978932][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9094.978932][ T10] ip6_route_add+0x1c/0x140 [ 9094.978932][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9094.978932][ T10] addrconf_add_dev+0xe2/0x170 [ 9094.978932][ T10] inet6_addr_add+0x12f/0xa40 [ 9094.978932][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9094.978932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9094.978932][ T10] netlink_rcv_skb+0x130/0x360 [ 9094.978932][ T10] netlink_unicast+0x449/0x710 [ 9094.978932][ T10] netlink_sendmsg+0x723/0xbe0 [ 9094.978932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9094.978932][ T10] ___sys_sendmsg+0xee/0x170 [ 9094.978932][ T10] __sys_sendmsg+0xcd/0x170 [ 9094.978932][ T10] do_syscall_64+0xc6/0x1e0 [ 9094.978932][ T10] [ 9094.980898][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9094.980898][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9094.980898][ T10] ipv6_find_idev+0x102/0x170 [ 9094.980898][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9094.980898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9094.980898][ T10] netlink_rcv_skb+0x130/0x360 [ 9094.980898][ T10] netlink_unicast+0x449/0x710 [ 9094.980898][ T10] netlink_sendmsg+0x723/0xbe0 [ 9094.980898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9094.980898][ T10] ___sys_sendmsg+0xee/0x170 [ 9094.980898][ T10] __sys_sendmsg+0xcd/0x170 [ 9094.980898][ T10] do_syscall_64+0xc6/0x1e0 [ 9094.980898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9094.980898][ T10] [ 9094.982446][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9094.982446][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9094.982446][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9094.982446][ T10] ipv6_find_idev+0x102/0x170 [ 9094.982446][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9094.982446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9094.982446][ T10] netlink_rcv_skb+0x130/0x360 [ 9094.982446][ T10] netlink_unicast+0x449/0x710 [ 9094.982446][ T10] netlink_sendmsg+0x723/0xbe0 [ 9094.982446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9094.982446][ T10] ___sys_sendmsg+0xee/0x170 [ 9094.982446][ T10] __sys_sendmsg+0xcd/0x170 [ 9094.982446][ T10] do_syscall_64+0xc6/0x1e0 [ 9094.982446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9094.982446][ T10] [ 9094.984140][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9094.984380][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9094.984380][ T10] netdev_get_by_index+0x5e/0x80 [ 9094.984380][ T10] fib6_nh_init+0x3d8/0x1580 [ 9094.984380][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9094.984380][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9094.984380][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9094.984380][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9094.984380][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9094.984380][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9094.984380][ T10] addrconf_dad_begin+0x310/0x670 [ 9094.984380][ T10] addrconf_dad_work+0x10b/0xab0 [ 9094.984380][ T10] process_one_work+0x84d/0x18a0 [ 9094.984380][ T10] worker_thread+0x587/0xd30 [ 9094.984380][ T10] kthread+0x28a/0x350 [ 9094.984380][ T10] ret_from_fork+0x31/0x70 [ 9094.984380][ T10] ret_from_fork_asm+0x1a/0x30 [ 9094.984380][ T10] [ 9094.986315][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9094.986315][ T10] netdev_get_by_index+0x5e/0x80 [ 9094.986315][ T10] fib6_nh_init+0x3d8/0x1580 [ 9094.986315][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9094.986315][ T10] ip6_route_add+0x1c/0x140 [ 9094.986315][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9094.986315][ T10] inet6_addr_add+0x4f8/0xa40 [ 9094.986315][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9094.986315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9094.986315][ T10] netlink_rcv_skb+0x130/0x360 [ 9094.986315][ T10] netlink_unicast+0x449/0x710 [ 9094.986315][ T10] netlink_sendmsg+0x723/0xbe0 [ 9094.986315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9094.986315][ T10] ___sys_sendmsg+0xee/0x170 [ 9094.986315][ T10] __sys_sendmsg+0xcd/0x170 [ 9094.986315][ T10] do_syscall_64+0xc6/0x1e0 [ 9094.986315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9094.986315][ T10] [ 9094.988514][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9094.988514][ T10] netdev_get_by_index+0x5e/0x80 [ 9094.988514][ T10] fib6_nh_init+0x3d8/0x1580 [ 9094.988514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9094.988514][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9094.988514][ T10] ipv6_add_addr+0x411/0x2000 [ 9094.988514][ T10] inet6_addr_add+0x30e/0xa40 [ 9094.988514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9094.988514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9094.988514][ T10] netlink_rcv_skb+0x130/0x360 [ 9094.988514][ T10] netlink_unicast+0x449/0x710 [ 9094.988514][ T10] netlink_sendmsg+0x723/0xbe0 [ 9094.988514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9094.988514][ T10] ___sys_sendmsg+0xee/0x170 [ 9094.988514][ T10] __sys_sendmsg+0xcd/0x170 [ 9094.988514][ T10] do_syscall_64+0xc6/0x1e0 [ 9094.988514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9094.988514][ T10] [ 9094.990821][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9094.990821][ T10] netdev_get_by_index+0x5e/0x80 [ 9094.990821][ T10] fib6_nh_init+0x3d8/0x1580 [ 9094.990821][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9094.990821][ T10] ip6_route_add+0x1c/0x140 [ 9094.990821][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9094.990821][ T10] addrconf_add_dev+0xe2/0x170 [ 9094.990821][ T10] inet6_addr_add+0x12f/0xa40 [ 9094.990821][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9094.990821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9094.990821][ T10] netlink_rcv_skb+0x130/0x360 [ 9094.990821][ T10] netlink_unicast+0x449/0x710 [ 9094.990821][ T10] netlink_sendmsg+0x723/0xbe0 [ 9094.990821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9094.990821][ T10] ___sys_sendmsg+0xee/0x170 [ 9094.990821][ T10] __sys_sendmsg+0xcd/0x170 [ 9094.990821][ T10] do_syscall_64+0xc6/0x1e0 [ 9094.990821][ T10] [ 9094.992967][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9094.992967][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9094.992967][ T10] ipv6_find_idev+0x102/0x170 [ 9094.992967][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9094.992967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9094.992967][ T10] netlink_rcv_skb+0x130/0x360 [ 9094.992967][ T10] netlink_unicast+0x449/0x710 [ 9094.992967][ T10] netlink_sendmsg+0x723/0xbe0 [ 9094.992967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9094.992967][ T10] ___sys_sendmsg+0xee/0x170 [ 9094.992967][ T10] __sys_sendmsg+0xcd/0x170 [ 9094.992967][ T10] do_syscall_64+0xc6/0x1e0 [ 9094.992967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9094.992967][ T10] [ 9094.994697][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9094.994697][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9094.994697][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9094.994697][ T10] ipv6_find_idev+0x102/0x170 [ 9094.994697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9094.994697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9094.994697][ T10] netlink_rcv_skb+0x130/0x360 [ 9094.994697][ T10] netlink_unicast+0x449/0x710 [ 9094.994697][ T10] netlink_sendmsg+0x723/0xbe0 [ 9094.994697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9094.994697][ T10] ___sys_sendmsg+0xee/0x170 [ 9094.994697][ T10] __sys_sendmsg+0xcd/0x170 [ 9094.994697][ T10] do_syscall_64+0xc6/0x1e0 [ 9094.994697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9094.994697][ T10] [ 9094.996641][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9094.996880][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9094.996880][ T10] netdev_get_by_index+0x5e/0x80 [ 9094.996880][ T10] fib6_nh_init+0x3d8/0x1580 [ 9094.996880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9094.996880][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9094.996880][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9094.996880][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9094.996880][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9094.996880][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9094.996880][ T10] addrconf_dad_begin+0x310/0x670 [ 9094.996880][ T10] addrconf_dad_work+0x10b/0xab0 [ 9094.996880][ T10] process_one_work+0x84d/0x18a0 [ 9094.996880][ T10] worker_thread+0x587/0xd30 [ 9094.996880][ T10] kthread+0x28a/0x350 [ 9094.996880][ T10] ret_from_fork+0x31/0x70 [ 9094.996880][ T10] ret_from_fork_asm+0x1a/0x30 [ 9094.996880][ T10] [ 9094.999099][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9094.999099][ T10] netdev_get_by_index+0x5e/0x80 [ 9094.999099][ T10] fib6_nh_init+0x3d8/0x1580 [ 9094.999099][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9094.999099][ T10] ip6_route_add+0x1c/0x140 [ 9094.999099][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9094.999099][ T10] inet6_addr_add+0x4f8/0xa40 [ 9094.999099][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9094.999099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9094.999099][ T10] netlink_rcv_skb+0x130/0x360 [ 9094.999099][ T10] netlink_unicast+0x449/0x710 [ 9094.999099][ T10] netlink_sendmsg+0x723/0xbe0 [ 9094.999099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9094.999099][ T10] ___sys_sendmsg+0xee/0x170 [ 9094.999099][ T10] __sys_sendmsg+0xcd/0x170 [ 9094.999099][ T10] do_syscall_64+0xc6/0x1e0 [ 9094.999099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9094.999099][ T10] [ 9095.001813][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9095.001813][ T10] netdev_get_by_index+0x5e/0x80 [ 9095.001813][ T10] fib6_nh_init+0x3d8/0x1580 [ 9095.001813][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9095.001813][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9095.001813][ T10] ipv6_add_addr+0x411/0x2000 [ 9095.001813][ T10] inet6_addr_add+0x30e/0xa40 [ 9095.001813][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9095.001813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9095.001813][ T10] netlink_rcv_skb+0x130/0x360 [ 9095.001813][ T10] netlink_unicast+0x449/0x710 [ 9095.001813][ T10] netlink_sendmsg+0x723/0xbe0 [ 9095.001813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9095.001813][ T10] ___sys_sendmsg+0xee/0x170 [ 9095.001813][ T10] __sys_sendmsg+0xcd/0x170 [ 9095.001813][ T10] do_syscall_64+0xc6/0x1e0 [ 9095.001813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9095.001813][ T10] [ 9095.003885][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9095.003885][ T10] netdev_get_by_index+0x5e/0x80 [ 9095.003885][ T10] fib6_nh_init+0x3d8/0x1580 [ 9095.003885][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9095.003885][ T10] ip6_route_add+0x1c/0x140 [ 9095.003885][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9095.003885][ T10] addrconf_add_dev+0xe2/0x170 [ 9095.003885][ T10] inet6_addr_add+0x12f/0xa40 [ 9095.003885][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9095.003885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9095.003885][ T10] netlink_rcv_skb+0x130/0x360 [ 9095.003885][ T10] netlink_unicast+0x449/0x710 [ 9095.003885][ T10] netlink_sendmsg+0x723/0xbe0 [ 9095.003885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9095.003885][ T10] ___sys_sendmsg+0xee/0x170 [ 9095.003885][ T10] __sys_sendmsg+0xcd/0x170 [ 9095.003885][ T10] do_syscall_64+0xc6/0x1e0 [ 9095.003885][ T10] [ 9095.005918][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9095.005918][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9095.005918][ T10] ipv6_find_idev+0x102/0x170 [ 9095.005918][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9095.005918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9095.005918][ T10] netlink_rcv_skb+0x130/0x360 [ 9095.005918][ T10] netlink_unicast+0x449/0x710 [ 9095.005918][ T10] netlink_sendmsg+0x723/0xbe0 [ 9095.005918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9095.005918][ T10] ___sys_sendmsg+0xee/0x170 [ 9095.005918][ T10] __sys_sendmsg+0xcd/0x170 [ 9095.005918][ T10] do_syscall_64+0xc6/0x1e0 [ 9095.005918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9095.005918][ T10] [ 9095.007532][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9095.007532][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9095.007532][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9095.007532][ T10] ipv6_find_idev+0x102/0x170 [ 9095.007532][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9095.007532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9095.007532][ T10] netlink_rcv_skb+0x130/0x360 [ 9095.007532][ T10] netlink_unicast+0x449/0x710 [ 9095.007532][ T10] netlink_sendmsg+0x723/0xbe0 [ 9095.007532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9095.007532][ T10] ___sys_sendmsg+0xee/0x170 [ 9095.007532][ T10] __sys_sendmsg+0xcd/0x170 [ 9095.007532][ T10] do_syscall_64+0xc6/0x1e0 [ 9095.007532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9095.007532][ T10] [ 9101.489103][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9101.489599][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9101.489599][ T1167] dst_init+0x84/0x4a0 [ 9101.489599][ T1167] dst_alloc+0x97/0x150 [ 9101.489599][ T1167] ip6_dst_alloc+0x23/0x90 [ 9101.489599][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9101.489599][ T1167] ip6_pol_route+0x56f/0x840 [ 9101.489599][ T1167] fib6_rule_lookup+0x334/0x630 [ 9101.489599][ T1167] ip6_route_output_flags+0x259/0x480 [ 9101.489599][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9101.489599][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9101.489599][ T1167] netlink_rcv_skb+0x130/0x360 [ 9101.489599][ T1167] netlink_unicast+0x449/0x710 [ 9101.489599][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9101.489599][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9101.489599][ T1167] ___sys_sendmsg+0xee/0x170 [ 9101.489599][ T1167] __sys_sendmsg+0xcd/0x170 [ 9101.489599][ T1167] do_syscall_64+0xc6/0x1e0 [ 9101.489599][ T1167] [ 9101.491813][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9101.491813][ T1167] netdev_get_by_index+0x5e/0x80 [ 9101.491813][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9101.491813][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9101.491813][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9101.491813][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9101.491813][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9101.491813][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9101.491813][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9101.491813][ T1167] addrconf_dad_begin+0x310/0x670 [ 9101.491813][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9101.491813][ T1167] process_one_work+0x84d/0x18a0 [ 9101.491813][ T1167] worker_thread+0x587/0xd30 [ 9101.491813][ T1167] kthread+0x28a/0x350 [ 9101.491813][ T1167] ret_from_fork+0x31/0x70 [ 9101.491813][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9101.491813][ T1167] [ 9101.493983][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9101.493983][ T1167] netdev_get_by_index+0x5e/0x80 [ 9101.493983][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9101.493983][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9101.493983][ T1167] ip6_route_add+0x1c/0x140 [ 9101.493983][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9101.493983][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9101.493983][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9101.493983][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9101.493983][ T1167] netlink_rcv_skb+0x130/0x360 [ 9101.493983][ T1167] netlink_unicast+0x449/0x710 [ 9101.493983][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9101.493983][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9101.493983][ T1167] ___sys_sendmsg+0xee/0x170 [ 9101.493983][ T1167] __sys_sendmsg+0xcd/0x170 [ 9101.493983][ T1167] do_syscall_64+0xc6/0x1e0 [ 9101.493983][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9101.493983][ T1167] [ 9101.496271][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9101.496271][ T1167] netdev_get_by_index+0x5e/0x80 [ 9101.496271][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9101.496271][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9101.496271][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9101.496271][ T1167] ipv6_add_addr+0x411/0x2000 [ 9101.496271][ T1167] inet6_addr_add+0x30e/0xa40 [ 9101.496271][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9101.496271][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9101.496271][ T1167] netlink_rcv_skb+0x130/0x360 [ 9101.496271][ T1167] netlink_unicast+0x449/0x710 [ 9101.496271][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9101.496271][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9101.496271][ T1167] ___sys_sendmsg+0xee/0x170 [ 9101.496271][ T1167] __sys_sendmsg+0xcd/0x170 [ 9101.496271][ T1167] do_syscall_64+0xc6/0x1e0 [ 9101.496271][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9101.496271][ T1167] [ 9101.498540][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9101.498540][ T1167] netdev_get_by_index+0x5e/0x80 [ 9101.498540][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9101.498540][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9101.498540][ T1167] ip6_route_add+0x1c/0x140 [ 9101.498540][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9101.498540][ T1167] addrconf_add_dev+0xe2/0x170 [ 9101.498540][ T1167] inet6_addr_add+0x12f/0xa40 [ 9101.498540][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9101.498540][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9101.498540][ T1167] netlink_rcv_skb+0x130/0x360 [ 9101.498540][ T1167] netlink_unicast+0x449/0x710 [ 9101.498540][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9101.498540][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9101.498540][ T1167] ___sys_sendmsg+0xee/0x170 [ 9101.498540][ T1167] __sys_sendmsg+0xcd/0x170 [ 9101.498540][ T1167] do_syscall_64+0xc6/0x1e0 [ 9101.498540][ T1167] [ 9101.500759][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9101.500759][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9101.500759][ T1167] ipv6_find_idev+0x102/0x170 [ 9101.500759][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9101.500759][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9101.500759][ T1167] netlink_rcv_skb+0x130/0x360 [ 9101.500759][ T1167] netlink_unicast+0x449/0x710 [ 9101.500759][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9101.500759][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9101.500759][ T1167] ___sys_sendmsg+0xee/0x170 [ 9101.500759][ T1167] __sys_sendmsg+0xcd/0x170 [ 9101.500759][ T1167] do_syscall_64+0xc6/0x1e0 [ 9101.500759][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9101.500759][ T1167] [ 9101.502497][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9101.502497][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9101.502497][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9101.502497][ T1167] ipv6_find_idev+0x102/0x170 [ 9101.502497][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9101.502497][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9101.502497][ T1167] netlink_rcv_skb+0x130/0x360 [ 9101.502497][ T1167] netlink_unicast+0x449/0x710 [ 9101.502497][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9101.502497][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9101.502497][ T1167] ___sys_sendmsg+0xee/0x170 [ 9101.502497][ T1167] __sys_sendmsg+0xcd/0x170 [ 9101.502497][ T1167] do_syscall_64+0xc6/0x1e0 [ 9101.502497][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9101.502497][ T1167] [ 9105.153097][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9105.153498][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9105.153498][ T10] netdev_get_by_index+0x5e/0x80 [ 9105.153498][ T10] fib6_nh_init+0x3d8/0x1580 [ 9105.153498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9105.153498][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9105.153498][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9105.153498][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9105.153498][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9105.153498][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9105.153498][ T10] addrconf_dad_begin+0x310/0x670 [ 9105.153498][ T10] addrconf_dad_work+0x10b/0xab0 [ 9105.153498][ T10] process_one_work+0x84d/0x18a0 [ 9105.153498][ T10] worker_thread+0x587/0xd30 [ 9105.153498][ T10] kthread+0x28a/0x350 [ 9105.153498][ T10] ret_from_fork+0x31/0x70 [ 9105.153498][ T10] ret_from_fork_asm+0x1a/0x30 [ 9105.153498][ T10] [ 9105.155438][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9105.155438][ T10] netdev_get_by_index+0x5e/0x80 [ 9105.155438][ T10] fib6_nh_init+0x3d8/0x1580 [ 9105.155438][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9105.155438][ T10] ip6_route_add+0x1c/0x140 [ 9105.155438][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9105.155438][ T10] inet6_addr_add+0x4f8/0xa40 [ 9105.155438][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9105.155438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9105.155438][ T10] netlink_rcv_skb+0x130/0x360 [ 9105.155438][ T10] netlink_unicast+0x449/0x710 [ 9105.155438][ T10] netlink_sendmsg+0x723/0xbe0 [ 9105.155438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9105.155438][ T10] ___sys_sendmsg+0xee/0x170 [ 9105.155438][ T10] __sys_sendmsg+0xcd/0x170 [ 9105.155438][ T10] do_syscall_64+0xc6/0x1e0 [ 9105.155438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9105.155438][ T10] [ 9105.157425][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9105.157425][ T10] netdev_get_by_index+0x5e/0x80 [ 9105.157425][ T10] fib6_nh_init+0x3d8/0x1580 [ 9105.157425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9105.157425][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9105.157425][ T10] ipv6_add_addr+0x411/0x2000 [ 9105.157425][ T10] inet6_addr_add+0x30e/0xa40 [ 9105.157425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9105.157425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9105.157425][ T10] netlink_rcv_skb+0x130/0x360 [ 9105.157425][ T10] netlink_unicast+0x449/0x710 [ 9105.157425][ T10] netlink_sendmsg+0x723/0xbe0 [ 9105.157425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9105.157425][ T10] ___sys_sendmsg+0xee/0x170 [ 9105.157425][ T10] __sys_sendmsg+0xcd/0x170 [ 9105.157425][ T10] do_syscall_64+0xc6/0x1e0 [ 9105.157425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9105.157425][ T10] [ 9105.159407][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9105.159407][ T10] netdev_get_by_index+0x5e/0x80 [ 9105.159407][ T10] fib6_nh_init+0x3d8/0x1580 [ 9105.159407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9105.159407][ T10] ip6_route_add+0x1c/0x140 [ 9105.159407][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9105.159407][ T10] addrconf_add_dev+0xe2/0x170 [ 9105.159407][ T10] inet6_addr_add+0x12f/0xa40 [ 9105.159407][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9105.159407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9105.159407][ T10] netlink_rcv_skb+0x130/0x360 [ 9105.159407][ T10] netlink_unicast+0x449/0x710 [ 9105.159407][ T10] netlink_sendmsg+0x723/0xbe0 [ 9105.159407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9105.159407][ T10] ___sys_sendmsg+0xee/0x170 [ 9105.159407][ T10] __sys_sendmsg+0xcd/0x170 [ 9105.159407][ T10] do_syscall_64+0xc6/0x1e0 [ 9105.159407][ T10] [ 9105.161355][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9105.161355][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9105.161355][ T10] ipv6_find_idev+0x102/0x170 [ 9105.161355][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9105.161355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9105.161355][ T10] netlink_rcv_skb+0x130/0x360 [ 9105.161355][ T10] netlink_unicast+0x449/0x710 [ 9105.161355][ T10] netlink_sendmsg+0x723/0xbe0 [ 9105.161355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9105.161355][ T10] ___sys_sendmsg+0xee/0x170 [ 9105.161355][ T10] __sys_sendmsg+0xcd/0x170 [ 9105.161355][ T10] do_syscall_64+0xc6/0x1e0 [ 9105.161355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9105.161355][ T10] [ 9105.162892][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9105.162892][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9105.162892][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9105.162892][ T10] ipv6_find_idev+0x102/0x170 [ 9105.162892][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9105.162892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9105.162892][ T10] netlink_rcv_skb+0x130/0x360 [ 9105.162892][ T10] netlink_unicast+0x449/0x710 [ 9105.162892][ T10] netlink_sendmsg+0x723/0xbe0 [ 9105.162892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9105.162892][ T10] ___sys_sendmsg+0xee/0x170 [ 9105.162892][ T10] __sys_sendmsg+0xcd/0x170 [ 9105.162892][ T10] do_syscall_64+0xc6/0x1e0 [ 9105.162892][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9105.162892][ T10] [ 9105.164560][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9105.164795][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9105.164795][ T10] netdev_get_by_index+0x5e/0x80 [ 9105.164795][ T10] fib6_nh_init+0x3d8/0x1580 [ 9105.164795][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9105.164795][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9105.164795][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9105.164795][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9105.164795][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9105.164795][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9105.164795][ T10] addrconf_dad_begin+0x310/0x670 [ 9105.164795][ T10] addrconf_dad_work+0x10b/0xab0 [ 9105.164795][ T10] process_one_work+0x84d/0x18a0 [ 9105.164795][ T10] worker_thread+0x587/0xd30 [ 9105.164795][ T10] kthread+0x28a/0x350 [ 9105.164795][ T10] ret_from_fork+0x31/0x70 [ 9105.164795][ T10] ret_from_fork_asm+0x1a/0x30 [ 9105.164795][ T10] [ 9105.166692][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9105.166692][ T10] netdev_get_by_index+0x5e/0x80 [ 9105.166692][ T10] fib6_nh_init+0x3d8/0x1580 [ 9105.166692][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9105.166692][ T10] ip6_route_add+0x1c/0x140 [ 9105.166692][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9105.166692][ T10] inet6_addr_add+0x4f8/0xa40 [ 9105.166692][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9105.166692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9105.166692][ T10] netlink_rcv_skb+0x130/0x360 [ 9105.166692][ T10] netlink_unicast+0x449/0x710 [ 9105.166692][ T10] netlink_sendmsg+0x723/0xbe0 [ 9105.166692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9105.166692][ T10] ___sys_sendmsg+0xee/0x170 [ 9105.166692][ T10] __sys_sendmsg+0xcd/0x170 [ 9105.166692][ T10] do_syscall_64+0xc6/0x1e0 [ 9105.166692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9105.166692][ T10] [ 9105.168685][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9105.168685][ T10] netdev_get_by_index+0x5e/0x80 [ 9105.168685][ T10] fib6_nh_init+0x3d8/0x1580 [ 9105.168685][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9105.168685][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9105.168685][ T10] ipv6_add_addr+0x411/0x2000 [ 9105.168685][ T10] inet6_addr_add+0x30e/0xa40 [ 9105.168685][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9105.168685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9105.168685][ T10] netlink_rcv_skb+0x130/0x360 [ 9105.168685][ T10] netlink_unicast+0x449/0x710 [ 9105.168685][ T10] netlink_sendmsg+0x723/0xbe0 [ 9105.168685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9105.168685][ T10] ___sys_sendmsg+0xee/0x170 [ 9105.168685][ T10] __sys_sendmsg+0xcd/0x170 [ 9105.168685][ T10] do_syscall_64+0xc6/0x1e0 [ 9105.168685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9105.168685][ T10] [ 9105.170664][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9105.170664][ T10] netdev_get_by_index+0x5e/0x80 [ 9105.170664][ T10] fib6_nh_init+0x3d8/0x1580 [ 9105.170664][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9105.170664][ T10] ip6_route_add+0x1c/0x140 [ 9105.170664][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9105.170664][ T10] addrconf_add_dev+0xe2/0x170 [ 9105.170664][ T10] inet6_addr_add+0x12f/0xa40 [ 9105.170664][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9105.170664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9105.170664][ T10] netlink_rcv_skb+0x130/0x360 [ 9105.170664][ T10] netlink_unicast+0x449/0x710 [ 9105.170664][ T10] netlink_sendmsg+0x723/0xbe0 [ 9105.170664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9105.170664][ T10] ___sys_sendmsg+0xee/0x170 [ 9105.170664][ T10] __sys_sendmsg+0xcd/0x170 [ 9105.170664][ T10] do_syscall_64+0xc6/0x1e0 [ 9105.170664][ T10] [ 9105.172608][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9105.172608][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9105.172608][ T10] ipv6_find_idev+0x102/0x170 [ 9105.172608][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9105.172608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9105.172608][ T10] netlink_rcv_skb+0x130/0x360 [ 9105.172608][ T10] netlink_unicast+0x449/0x710 [ 9105.172608][ T10] netlink_sendmsg+0x723/0xbe0 [ 9105.172608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9105.172608][ T10] ___sys_sendmsg+0xee/0x170 [ 9105.172608][ T10] __sys_sendmsg+0xcd/0x170 [ 9105.172608][ T10] do_syscall_64+0xc6/0x1e0 [ 9105.172608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9105.172608][ T10] [ 9105.174131][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9105.174131][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9105.174131][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9105.174131][ T10] ipv6_find_idev+0x102/0x170 [ 9105.174131][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9105.174131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9105.174131][ T10] netlink_rcv_skb+0x130/0x360 [ 9105.174131][ T10] netlink_unicast+0x449/0x710 [ 9105.174131][ T10] netlink_sendmsg+0x723/0xbe0 [ 9105.174131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9105.174131][ T10] ___sys_sendmsg+0xee/0x170 [ 9105.174131][ T10] __sys_sendmsg+0xcd/0x170 [ 9105.174131][ T10] do_syscall_64+0xc6/0x1e0 [ 9105.174131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9105.174131][ T10] [ 9105.175802][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9105.176041][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9105.176041][ T10] netdev_get_by_index+0x5e/0x80 [ 9105.176041][ T10] fib6_nh_init+0x3d8/0x1580 [ 9105.176041][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9105.176041][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9105.176041][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9105.176041][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9105.176041][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9105.176041][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9105.176041][ T10] addrconf_dad_begin+0x310/0x670 [ 9105.176041][ T10] addrconf_dad_work+0x10b/0xab0 [ 9105.176041][ T10] process_one_work+0x84d/0x18a0 [ 9105.176041][ T10] worker_thread+0x587/0xd30 [ 9105.176041][ T10] kthread+0x28a/0x350 [ 9105.176041][ T10] ret_from_fork+0x31/0x70 [ 9105.176041][ T10] ret_from_fork_asm+0x1a/0x30 [ 9105.176041][ T10] [ 9105.177935][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9105.177935][ T10] netdev_get_by_index+0x5e/0x80 [ 9105.177935][ T10] fib6_nh_init+0x3d8/0x1580 [ 9105.177935][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9105.177935][ T10] ip6_route_add+0x1c/0x140 [ 9105.177935][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9105.177935][ T10] inet6_addr_add+0x4f8/0xa40 [ 9105.177935][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9105.177935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9105.177935][ T10] netlink_rcv_skb+0x130/0x360 [ 9105.177935][ T10] netlink_unicast+0x449/0x710 [ 9105.177935][ T10] netlink_sendmsg+0x723/0xbe0 [ 9105.177935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9105.177935][ T10] ___sys_sendmsg+0xee/0x170 [ 9105.177935][ T10] __sys_sendmsg+0xcd/0x170 [ 9105.177935][ T10] do_syscall_64+0xc6/0x1e0 [ 9105.177935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9105.177935][ T10] [ 9105.180102][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9105.180102][ T10] netdev_get_by_index+0x5e/0x80 [ 9105.180102][ T10] fib6_nh_init+0x3d8/0x1580 [ 9105.180102][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9105.180102][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9105.180102][ T10] ipv6_add_addr+0x411/0x2000 [ 9105.180102][ T10] inet6_addr_add+0x30e/0xa40 [ 9105.180102][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9105.180102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9105.180102][ T10] netlink_rcv_skb+0x130/0x360 [ 9105.180102][ T10] netlink_unicast+0x449/0x710 [ 9105.180102][ T10] netlink_sendmsg+0x723/0xbe0 [ 9105.180102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9105.180102][ T10] ___sys_sendmsg+0xee/0x170 [ 9105.180102][ T10] __sys_sendmsg+0xcd/0x170 [ 9105.180102][ T10] do_syscall_64+0xc6/0x1e0 [ 9105.180102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9105.180102][ T10] [ 9105.182380][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9105.182380][ T10] netdev_get_by_index+0x5e/0x80 [ 9105.182380][ T10] fib6_nh_init+0x3d8/0x1580 [ 9105.182380][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9105.182380][ T10] ip6_route_add+0x1c/0x140 [ 9105.182380][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9105.182380][ T10] addrconf_add_dev+0xe2/0x170 [ 9105.182380][ T10] inet6_addr_add+0x12f/0xa40 [ 9105.182380][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9105.182380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9105.182380][ T10] netlink_rcv_skb+0x130/0x360 [ 9105.182380][ T10] netlink_unicast+0x449/0x710 [ 9105.182380][ T10] netlink_sendmsg+0x723/0xbe0 [ 9105.182380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9105.182380][ T10] ___sys_sendmsg+0xee/0x170 [ 9105.182380][ T10] __sys_sendmsg+0xcd/0x170 [ 9105.182380][ T10] do_syscall_64+0xc6/0x1e0 [ 9105.182380][ T10] [ 9105.184509][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9105.184509][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9105.184509][ T10] ipv6_find_idev+0x102/0x170 [ 9105.184509][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9105.184509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9105.184509][ T10] netlink_rcv_skb+0x130/0x360 [ 9105.184509][ T10] netlink_unicast+0x449/0x710 [ 9105.184509][ T10] netlink_sendmsg+0x723/0xbe0 [ 9105.184509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9105.184509][ T10] ___sys_sendmsg+0xee/0x170 [ 9105.184509][ T10] __sys_sendmsg+0xcd/0x170 [ 9105.184509][ T10] do_syscall_64+0xc6/0x1e0 [ 9105.184509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9105.184509][ T10] [ 9105.186215][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9105.186215][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9105.186215][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9105.186215][ T10] ipv6_find_idev+0x102/0x170 [ 9105.186215][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9105.186215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9105.186215][ T10] netlink_rcv_skb+0x130/0x360 [ 9105.186215][ T10] netlink_unicast+0x449/0x710 [ 9105.186215][ T10] netlink_sendmsg+0x723/0xbe0 [ 9105.186215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9105.186215][ T10] ___sys_sendmsg+0xee/0x170 [ 9105.186215][ T10] __sys_sendmsg+0xcd/0x170 [ 9105.186215][ T10] do_syscall_64+0xc6/0x1e0 [ 9105.186215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9105.186215][ T10] [ 9105.188126][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9105.188361][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9105.188361][ T10] netdev_get_by_index+0x5e/0x80 [ 9105.188361][ T10] fib6_nh_init+0x3d8/0x1580 [ 9105.188361][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9105.188361][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9105.188361][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9105.188361][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9105.188361][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9105.188361][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9105.188361][ T10] addrconf_dad_begin+0x310/0x670 [ 9105.188361][ T10] addrconf_dad_work+0x10b/0xab0 [ 9105.188361][ T10] process_one_work+0x84d/0x18a0 [ 9105.188361][ T10] worker_thread+0x587/0xd30 [ 9105.188361][ T10] kthread+0x28a/0x350 [ 9105.188361][ T10] ret_from_fork+0x31/0x70 [ 9105.188361][ T10] ret_from_fork_asm+0x1a/0x30 [ 9105.188361][ T10] [ 9105.190560][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9105.190560][ T10] netdev_get_by_index+0x5e/0x80 [ 9105.190560][ T10] fib6_nh_init+0x3d8/0x1580 [ 9105.190560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9105.190560][ T10] ip6_route_add+0x1c/0x140 [ 9105.190560][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9105.190560][ T10] inet6_addr_add+0x4f8/0xa40 [ 9105.190560][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9105.190560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9105.190560][ T10] netlink_rcv_skb+0x130/0x360 [ 9105.190560][ T10] netlink_unicast+0x449/0x710 [ 9105.190560][ T10] netlink_sendmsg+0x723/0xbe0 [ 9105.190560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9105.190560][ T10] ___sys_sendmsg+0xee/0x170 [ 9105.190560][ T10] __sys_sendmsg+0xcd/0x170 [ 9105.190560][ T10] do_syscall_64+0xc6/0x1e0 [ 9105.190560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9105.190560][ T10] [ 9105.192739][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9105.192739][ T10] netdev_get_by_index+0x5e/0x80 [ 9105.192739][ T10] fib6_nh_init+0x3d8/0x1580 [ 9105.192739][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9105.192739][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9105.192739][ T10] ipv6_add_addr+0x411/0x2000 [ 9105.192739][ T10] inet6_addr_add+0x30e/0xa40 [ 9105.192739][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9105.192739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9105.192739][ T10] netlink_rcv_skb+0x130/0x360 [ 9105.192739][ T10] netlink_unicast+0x449/0x710 [ 9105.192739][ T10] netlink_sendmsg+0x723/0xbe0 [ 9105.192739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9105.192739][ T10] ___sys_sendmsg+0xee/0x170 [ 9105.192739][ T10] __sys_sendmsg+0xcd/0x170 [ 9105.192739][ T10] do_syscall_64+0xc6/0x1e0 [ 9105.192739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9105.192739][ T10] [ 9105.194959][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9105.194959][ T10] netdev_get_by_index+0x5e/0x80 [ 9105.194959][ T10] fib6_nh_init+0x3d8/0x1580 [ 9105.194959][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9105.194959][ T10] ip6_route_add+0x1c/0x140 [ 9105.194959][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9105.194959][ T10] addrconf_add_dev+0xe2/0x170 [ 9105.194959][ T10] inet6_addr_add+0x12f/0xa40 [ 9105.194959][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9105.194959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9105.194959][ T10] netlink_rcv_skb+0x130/0x360 [ 9105.194959][ T10] netlink_unicast+0x449/0x710 [ 9105.194959][ T10] netlink_sendmsg+0x723/0xbe0 [ 9105.194959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9105.194959][ T10] ___sys_sendmsg+0xee/0x170 [ 9105.194959][ T10] __sys_sendmsg+0xcd/0x170 [ 9105.194959][ T10] do_syscall_64+0xc6/0x1e0 [ 9105.194959][ T10] [ 9105.197155][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9105.197155][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9105.197155][ T10] ipv6_find_idev+0x102/0x170 [ 9105.197155][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9105.197155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9105.197155][ T10] netlink_rcv_skb+0x130/0x360 [ 9105.197155][ T10] netlink_unicast+0x449/0x710 [ 9105.197155][ T10] netlink_sendmsg+0x723/0xbe0 [ 9105.197155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9105.197155][ T10] ___sys_sendmsg+0xee/0x170 [ 9105.197155][ T10] __sys_sendmsg+0xcd/0x170 [ 9105.197155][ T10] do_syscall_64+0xc6/0x1e0 [ 9105.197155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9105.197155][ T10] [ 9105.198868][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9105.198868][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9105.198868][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9105.198868][ T10] ipv6_find_idev+0x102/0x170 [ 9105.198868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9105.198868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9105.198868][ T10] netlink_rcv_skb+0x130/0x360 [ 9105.198868][ T10] netlink_unicast+0x449/0x710 [ 9105.198868][ T10] netlink_sendmsg+0x723/0xbe0 [ 9105.198868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9105.198868][ T10] ___sys_sendmsg+0xee/0x170 [ 9105.198868][ T10] __sys_sendmsg+0xcd/0x170 [ 9105.198868][ T10] do_syscall_64+0xc6/0x1e0 [ 9105.198868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9105.198868][ T10] [ 9111.553028][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9111.553508][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9111.553508][ T1167] dst_init+0x84/0x4a0 [ 9111.553508][ T1167] dst_alloc+0x97/0x150 [ 9111.553508][ T1167] ip6_dst_alloc+0x23/0x90 [ 9111.553508][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9111.553508][ T1167] ip6_pol_route+0x56f/0x840 [ 9111.553508][ T1167] fib6_rule_lookup+0x334/0x630 [ 9111.553508][ T1167] ip6_route_output_flags+0x259/0x480 [ 9111.553508][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9111.553508][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9111.553508][ T1167] netlink_rcv_skb+0x130/0x360 [ 9111.553508][ T1167] netlink_unicast+0x449/0x710 [ 9111.553508][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9111.553508][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9111.553508][ T1167] ___sys_sendmsg+0xee/0x170 [ 9111.553508][ T1167] __sys_sendmsg+0xcd/0x170 [ 9111.553508][ T1167] do_syscall_64+0xc6/0x1e0 [ 9111.553508][ T1167] [ 9111.555725][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9111.555725][ T1167] netdev_get_by_index+0x5e/0x80 [ 9111.555725][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9111.555725][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9111.555725][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9111.555725][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9111.555725][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9111.555725][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9111.555725][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9111.555725][ T1167] addrconf_dad_begin+0x310/0x670 [ 9111.555725][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9111.555725][ T1167] process_one_work+0x84d/0x18a0 [ 9111.555725][ T1167] worker_thread+0x587/0xd30 [ 9111.555725][ T1167] kthread+0x28a/0x350 [ 9111.555725][ T1167] ret_from_fork+0x31/0x70 [ 9111.555725][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9111.555725][ T1167] [ 9111.557864][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9111.557864][ T1167] netdev_get_by_index+0x5e/0x80 [ 9111.557864][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9111.557864][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9111.557864][ T1167] ip6_route_add+0x1c/0x140 [ 9111.557864][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9111.557864][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9111.557864][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9111.557864][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9111.557864][ T1167] netlink_rcv_skb+0x130/0x360 [ 9111.557864][ T1167] netlink_unicast+0x449/0x710 [ 9111.557864][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9111.557864][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9111.557864][ T1167] ___sys_sendmsg+0xee/0x170 [ 9111.557864][ T1167] __sys_sendmsg+0xcd/0x170 [ 9111.557864][ T1167] do_syscall_64+0xc6/0x1e0 [ 9111.557864][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9111.557864][ T1167] [ 9111.560099][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9111.560099][ T1167] netdev_get_by_index+0x5e/0x80 [ 9111.560099][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9111.560099][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9111.560099][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9111.560099][ T1167] ipv6_add_addr+0x411/0x2000 [ 9111.560099][ T1167] inet6_addr_add+0x30e/0xa40 [ 9111.560099][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9111.560099][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9111.560099][ T1167] netlink_rcv_skb+0x130/0x360 [ 9111.560099][ T1167] netlink_unicast+0x449/0x710 [ 9111.560099][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9111.560099][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9111.560099][ T1167] ___sys_sendmsg+0xee/0x170 [ 9111.560099][ T1167] __sys_sendmsg+0xcd/0x170 [ 9111.560099][ T1167] do_syscall_64+0xc6/0x1e0 [ 9111.560099][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9111.560099][ T1167] [ 9111.562336][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9111.562336][ T1167] netdev_get_by_index+0x5e/0x80 [ 9111.562336][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9111.562336][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9111.562336][ T1167] ip6_route_add+0x1c/0x140 [ 9111.562336][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9111.562336][ T1167] addrconf_add_dev+0xe2/0x170 [ 9111.562336][ T1167] inet6_addr_add+0x12f/0xa40 [ 9111.562336][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9111.562336][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9111.562336][ T1167] netlink_rcv_skb+0x130/0x360 [ 9111.562336][ T1167] netlink_unicast+0x449/0x710 [ 9111.562336][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9111.562336][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9111.562336][ T1167] ___sys_sendmsg+0xee/0x170 [ 9111.562336][ T1167] __sys_sendmsg+0xcd/0x170 [ 9111.562336][ T1167] do_syscall_64+0xc6/0x1e0 [ 9111.562336][ T1167] [ 9111.564538][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9111.564538][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9111.564538][ T1167] ipv6_find_idev+0x102/0x170 [ 9111.564538][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9111.564538][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9111.564538][ T1167] netlink_rcv_skb+0x130/0x360 [ 9111.564538][ T1167] netlink_unicast+0x449/0x710 [ 9111.564538][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9111.564538][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9111.564538][ T1167] ___sys_sendmsg+0xee/0x170 [ 9111.564538][ T1167] __sys_sendmsg+0xcd/0x170 [ 9111.564538][ T1167] do_syscall_64+0xc6/0x1e0 [ 9111.564538][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9111.564538][ T1167] [ 9111.566259][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9111.566259][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9111.566259][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9111.566259][ T1167] ipv6_find_idev+0x102/0x170 [ 9111.566259][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9111.566259][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9111.566259][ T1167] netlink_rcv_skb+0x130/0x360 [ 9111.566259][ T1167] netlink_unicast+0x449/0x710 [ 9111.566259][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9111.566259][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9111.566259][ T1167] ___sys_sendmsg+0xee/0x170 [ 9111.566259][ T1167] __sys_sendmsg+0xcd/0x170 [ 9111.566259][ T1167] do_syscall_64+0xc6/0x1e0 [ 9111.566259][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9111.566259][ T1167] [ 9115.441129][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9115.441537][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9115.441537][ T10] netdev_get_by_index+0x5e/0x80 [ 9115.441537][ T10] fib6_nh_init+0x3d8/0x1580 [ 9115.441537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9115.441537][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9115.441537][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9115.441537][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9115.441537][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9115.441537][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9115.441537][ T10] addrconf_dad_begin+0x310/0x670 [ 9115.441537][ T10] addrconf_dad_work+0x10b/0xab0 [ 9115.441537][ T10] process_one_work+0x84d/0x18a0 [ 9115.441537][ T10] worker_thread+0x587/0xd30 [ 9115.441537][ T10] kthread+0x28a/0x350 [ 9115.441537][ T10] ret_from_fork+0x31/0x70 [ 9115.441537][ T10] ret_from_fork_asm+0x1a/0x30 [ 9115.441537][ T10] [ 9115.443453][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9115.443453][ T10] netdev_get_by_index+0x5e/0x80 [ 9115.443453][ T10] fib6_nh_init+0x3d8/0x1580 [ 9115.443453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9115.443453][ T10] ip6_route_add+0x1c/0x140 [ 9115.443453][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9115.443453][ T10] inet6_addr_add+0x4f8/0xa40 [ 9115.443453][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9115.443453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9115.443453][ T10] netlink_rcv_skb+0x130/0x360 [ 9115.443453][ T10] netlink_unicast+0x449/0x710 [ 9115.443453][ T10] netlink_sendmsg+0x723/0xbe0 [ 9115.443453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9115.443453][ T10] ___sys_sendmsg+0xee/0x170 [ 9115.443453][ T10] __sys_sendmsg+0xcd/0x170 [ 9115.443453][ T10] do_syscall_64+0xc6/0x1e0 [ 9115.443453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9115.443453][ T10] [ 9115.445470][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9115.445470][ T10] netdev_get_by_index+0x5e/0x80 [ 9115.445470][ T10] fib6_nh_init+0x3d8/0x1580 [ 9115.445470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9115.445470][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9115.445470][ T10] ipv6_add_addr+0x411/0x2000 [ 9115.445470][ T10] inet6_addr_add+0x30e/0xa40 [ 9115.445470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9115.445470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9115.445470][ T10] netlink_rcv_skb+0x130/0x360 [ 9115.445470][ T10] netlink_unicast+0x449/0x710 [ 9115.445470][ T10] netlink_sendmsg+0x723/0xbe0 [ 9115.445470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9115.445470][ T10] ___sys_sendmsg+0xee/0x170 [ 9115.445470][ T10] __sys_sendmsg+0xcd/0x170 [ 9115.445470][ T10] do_syscall_64+0xc6/0x1e0 [ 9115.445470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9115.445470][ T10] [ 9115.447439][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9115.447439][ T10] netdev_get_by_index+0x5e/0x80 [ 9115.447439][ T10] fib6_nh_init+0x3d8/0x1580 [ 9115.447439][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9115.447439][ T10] ip6_route_add+0x1c/0x140 [ 9115.447439][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9115.447439][ T10] addrconf_add_dev+0xe2/0x170 [ 9115.447439][ T10] inet6_addr_add+0x12f/0xa40 [ 9115.447439][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9115.447439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9115.447439][ T10] netlink_rcv_skb+0x130/0x360 [ 9115.447439][ T10] netlink_unicast+0x449/0x710 [ 9115.447439][ T10] netlink_sendmsg+0x723/0xbe0 [ 9115.447439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9115.447439][ T10] ___sys_sendmsg+0xee/0x170 [ 9115.447439][ T10] __sys_sendmsg+0xcd/0x170 [ 9115.447439][ T10] do_syscall_64+0xc6/0x1e0 [ 9115.447439][ T10] [ 9115.449376][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9115.449376][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9115.449376][ T10] ipv6_find_idev+0x102/0x170 [ 9115.449376][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9115.449376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9115.449376][ T10] netlink_rcv_skb+0x130/0x360 [ 9115.449376][ T10] netlink_unicast+0x449/0x710 [ 9115.449376][ T10] netlink_sendmsg+0x723/0xbe0 [ 9115.449376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9115.449376][ T10] ___sys_sendmsg+0xee/0x170 [ 9115.449376][ T10] __sys_sendmsg+0xcd/0x170 [ 9115.449376][ T10] do_syscall_64+0xc6/0x1e0 [ 9115.449376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9115.449376][ T10] [ 9115.450899][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9115.450899][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9115.450899][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9115.450899][ T10] ipv6_find_idev+0x102/0x170 [ 9115.450899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9115.450899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9115.450899][ T10] netlink_rcv_skb+0x130/0x360 [ 9115.450899][ T10] netlink_unicast+0x449/0x710 [ 9115.450899][ T10] netlink_sendmsg+0x723/0xbe0 [ 9115.450899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9115.450899][ T10] ___sys_sendmsg+0xee/0x170 [ 9115.450899][ T10] __sys_sendmsg+0xcd/0x170 [ 9115.450899][ T10] do_syscall_64+0xc6/0x1e0 [ 9115.450899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9115.450899][ T10] [ 9115.452572][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9115.452811][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9115.452811][ T10] netdev_get_by_index+0x5e/0x80 [ 9115.452811][ T10] fib6_nh_init+0x3d8/0x1580 [ 9115.452811][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9115.452811][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9115.452811][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9115.452811][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9115.452811][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9115.452811][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9115.452811][ T10] addrconf_dad_begin+0x310/0x670 [ 9115.452811][ T10] addrconf_dad_work+0x10b/0xab0 [ 9115.452811][ T10] process_one_work+0x84d/0x18a0 [ 9115.452811][ T10] worker_thread+0x587/0xd30 [ 9115.452811][ T10] kthread+0x28a/0x350 [ 9115.452811][ T10] ret_from_fork+0x31/0x70 [ 9115.452811][ T10] ret_from_fork_asm+0x1a/0x30 [ 9115.452811][ T10] [ 9115.454693][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9115.454693][ T10] netdev_get_by_index+0x5e/0x80 [ 9115.454693][ T10] fib6_nh_init+0x3d8/0x1580 [ 9115.454693][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9115.454693][ T10] ip6_route_add+0x1c/0x140 [ 9115.454693][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9115.454693][ T10] inet6_addr_add+0x4f8/0xa40 [ 9115.454693][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9115.454693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9115.454693][ T10] netlink_rcv_skb+0x130/0x360 [ 9115.454693][ T10] netlink_unicast+0x449/0x710 [ 9115.454693][ T10] netlink_sendmsg+0x723/0xbe0 [ 9115.454693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9115.454693][ T10] ___sys_sendmsg+0xee/0x170 [ 9115.454693][ T10] __sys_sendmsg+0xcd/0x170 [ 9115.454693][ T10] do_syscall_64+0xc6/0x1e0 [ 9115.454693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9115.454693][ T10] [ 9115.456686][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9115.456686][ T10] netdev_get_by_index+0x5e/0x80 [ 9115.456686][ T10] fib6_nh_init+0x3d8/0x1580 [ 9115.456686][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9115.456686][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9115.456686][ T10] ipv6_add_addr+0x411/0x2000 [ 9115.456686][ T10] inet6_addr_add+0x30e/0xa40 [ 9115.456686][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9115.456686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9115.456686][ T10] netlink_rcv_skb+0x130/0x360 [ 9115.456686][ T10] netlink_unicast+0x449/0x710 [ 9115.456686][ T10] netlink_sendmsg+0x723/0xbe0 [ 9115.456686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9115.456686][ T10] ___sys_sendmsg+0xee/0x170 [ 9115.456686][ T10] __sys_sendmsg+0xcd/0x170 [ 9115.456686][ T10] do_syscall_64+0xc6/0x1e0 [ 9115.456686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9115.456686][ T10] [ 9115.458667][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9115.458667][ T10] netdev_get_by_index+0x5e/0x80 [ 9115.458667][ T10] fib6_nh_init+0x3d8/0x1580 [ 9115.458667][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9115.458667][ T10] ip6_route_add+0x1c/0x140 [ 9115.458667][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9115.458667][ T10] addrconf_add_dev+0xe2/0x170 [ 9115.458667][ T10] inet6_addr_add+0x12f/0xa40 [ 9115.458667][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9115.458667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9115.458667][ T10] netlink_rcv_skb+0x130/0x360 [ 9115.458667][ T10] netlink_unicast+0x449/0x710 [ 9115.458667][ T10] netlink_sendmsg+0x723/0xbe0 [ 9115.458667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9115.458667][ T10] ___sys_sendmsg+0xee/0x170 [ 9115.458667][ T10] __sys_sendmsg+0xcd/0x170 [ 9115.458667][ T10] do_syscall_64+0xc6/0x1e0 [ 9115.458667][ T10] [ 9115.460615][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9115.460615][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9115.460615][ T10] ipv6_find_idev+0x102/0x170 [ 9115.460615][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9115.460615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9115.460615][ T10] netlink_rcv_skb+0x130/0x360 [ 9115.460615][ T10] netlink_unicast+0x449/0x710 [ 9115.460615][ T10] netlink_sendmsg+0x723/0xbe0 [ 9115.460615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9115.460615][ T10] ___sys_sendmsg+0xee/0x170 [ 9115.460615][ T10] __sys_sendmsg+0xcd/0x170 [ 9115.460615][ T10] do_syscall_64+0xc6/0x1e0 [ 9115.460615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9115.460615][ T10] [ 9115.462136][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9115.462136][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9115.462136][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9115.462136][ T10] ipv6_find_idev+0x102/0x170 [ 9115.462136][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9115.462136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9115.462136][ T10] netlink_rcv_skb+0x130/0x360 [ 9115.462136][ T10] netlink_unicast+0x449/0x710 [ 9115.462136][ T10] netlink_sendmsg+0x723/0xbe0 [ 9115.462136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9115.462136][ T10] ___sys_sendmsg+0xee/0x170 [ 9115.462136][ T10] __sys_sendmsg+0xcd/0x170 [ 9115.462136][ T10] do_syscall_64+0xc6/0x1e0 [ 9115.462136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9115.462136][ T10] [ 9115.463801][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9115.464033][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9115.464033][ T10] netdev_get_by_index+0x5e/0x80 [ 9115.464033][ T10] fib6_nh_init+0x3d8/0x1580 [ 9115.464033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9115.464033][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9115.464033][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9115.464033][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9115.464033][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9115.464033][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9115.464033][ T10] addrconf_dad_begin+0x310/0x670 [ 9115.464033][ T10] addrconf_dad_work+0x10b/0xab0 [ 9115.464033][ T10] process_one_work+0x84d/0x18a0 [ 9115.464033][ T10] worker_thread+0x587/0xd30 [ 9115.464033][ T10] kthread+0x28a/0x350 [ 9115.464033][ T10] ret_from_fork+0x31/0x70 [ 9115.464033][ T10] ret_from_fork_asm+0x1a/0x30 [ 9115.464033][ T10] [ 9115.465929][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9115.465929][ T10] netdev_get_by_index+0x5e/0x80 [ 9115.465929][ T10] fib6_nh_init+0x3d8/0x1580 [ 9115.465929][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9115.465929][ T10] ip6_route_add+0x1c/0x140 [ 9115.465929][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9115.465929][ T10] inet6_addr_add+0x4f8/0xa40 [ 9115.465929][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9115.465929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9115.465929][ T10] netlink_rcv_skb+0x130/0x360 [ 9115.465929][ T10] netlink_unicast+0x449/0x710 [ 9115.465929][ T10] netlink_sendmsg+0x723/0xbe0 [ 9115.465929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9115.465929][ T10] ___sys_sendmsg+0xee/0x170 [ 9115.465929][ T10] __sys_sendmsg+0xcd/0x170 [ 9115.465929][ T10] do_syscall_64+0xc6/0x1e0 [ 9115.465929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9115.465929][ T10] [ 9115.468092][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9115.468092][ T10] netdev_get_by_index+0x5e/0x80 [ 9115.468092][ T10] fib6_nh_init+0x3d8/0x1580 [ 9115.468092][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9115.468092][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9115.468092][ T10] ipv6_add_addr+0x411/0x2000 [ 9115.468092][ T10] inet6_addr_add+0x30e/0xa40 [ 9115.468092][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9115.468092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9115.468092][ T10] netlink_rcv_skb+0x130/0x360 [ 9115.468092][ T10] netlink_unicast+0x449/0x710 [ 9115.468092][ T10] netlink_sendmsg+0x723/0xbe0 [ 9115.468092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9115.468092][ T10] ___sys_sendmsg+0xee/0x170 [ 9115.468092][ T10] __sys_sendmsg+0xcd/0x170 [ 9115.468092][ T10] do_syscall_64+0xc6/0x1e0 [ 9115.468092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9115.468092][ T10] [ 9115.470384][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9115.470384][ T10] netdev_get_by_index+0x5e/0x80 [ 9115.470384][ T10] fib6_nh_init+0x3d8/0x1580 [ 9115.470384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9115.470384][ T10] ip6_route_add+0x1c/0x140 [ 9115.470384][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9115.470384][ T10] addrconf_add_dev+0xe2/0x170 [ 9115.470384][ T10] inet6_addr_add+0x12f/0xa40 [ 9115.470384][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9115.470384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9115.470384][ T10] netlink_rcv_skb+0x130/0x360 [ 9115.470384][ T10] netlink_unicast+0x449/0x710 [ 9115.470384][ T10] netlink_sendmsg+0x723/0xbe0 [ 9115.470384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9115.470384][ T10] ___sys_sendmsg+0xee/0x170 [ 9115.470384][ T10] __sys_sendmsg+0xcd/0x170 [ 9115.470384][ T10] do_syscall_64+0xc6/0x1e0 [ 9115.470384][ T10] [ 9115.472503][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9115.472503][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9115.472503][ T10] ipv6_find_idev+0x102/0x170 [ 9115.472503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9115.472503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9115.472503][ T10] netlink_rcv_skb+0x130/0x360 [ 9115.472503][ T10] netlink_unicast+0x449/0x710 [ 9115.472503][ T10] netlink_sendmsg+0x723/0xbe0 [ 9115.472503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9115.472503][ T10] ___sys_sendmsg+0xee/0x170 [ 9115.472503][ T10] __sys_sendmsg+0xcd/0x170 [ 9115.472503][ T10] do_syscall_64+0xc6/0x1e0 [ 9115.472503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9115.472503][ T10] [ 9115.474212][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9115.474212][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9115.474212][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9115.474212][ T10] ipv6_find_idev+0x102/0x170 [ 9115.474212][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9115.474212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9115.474212][ T10] netlink_rcv_skb+0x130/0x360 [ 9115.474212][ T10] netlink_unicast+0x449/0x710 [ 9115.474212][ T10] netlink_sendmsg+0x723/0xbe0 [ 9115.474212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9115.474212][ T10] ___sys_sendmsg+0xee/0x170 [ 9115.474212][ T10] __sys_sendmsg+0xcd/0x170 [ 9115.474212][ T10] do_syscall_64+0xc6/0x1e0 [ 9115.474212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9115.474212][ T10] [ 9115.476122][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9115.476356][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9115.476356][ T10] netdev_get_by_index+0x5e/0x80 [ 9115.476356][ T10] fib6_nh_init+0x3d8/0x1580 [ 9115.476356][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9115.476356][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9115.476356][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9115.476356][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9115.476356][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9115.476356][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9115.476356][ T10] addrconf_dad_begin+0x310/0x670 [ 9115.476356][ T10] addrconf_dad_work+0x10b/0xab0 [ 9115.476356][ T10] process_one_work+0x84d/0x18a0 [ 9115.476356][ T10] worker_thread+0x587/0xd30 [ 9115.476356][ T10] kthread+0x28a/0x350 [ 9115.476356][ T10] ret_from_fork+0x31/0x70 [ 9115.476356][ T10] ret_from_fork_asm+0x1a/0x30 [ 9115.476356][ T10] [ 9115.478559][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9115.478559][ T10] netdev_get_by_index+0x5e/0x80 [ 9115.478559][ T10] fib6_nh_init+0x3d8/0x1580 [ 9115.478559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9115.478559][ T10] ip6_route_add+0x1c/0x140 [ 9115.478559][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9115.478559][ T10] inet6_addr_add+0x4f8/0xa40 [ 9115.478559][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9115.478559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9115.478559][ T10] netlink_rcv_skb+0x130/0x360 [ 9115.478559][ T10] netlink_unicast+0x449/0x710 [ 9115.478559][ T10] netlink_sendmsg+0x723/0xbe0 [ 9115.478559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9115.478559][ T10] ___sys_sendmsg+0xee/0x170 [ 9115.478559][ T10] __sys_sendmsg+0xcd/0x170 [ 9115.478559][ T10] do_syscall_64+0xc6/0x1e0 [ 9115.478559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9115.478559][ T10] [ 9115.480722][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9115.480722][ T10] netdev_get_by_index+0x5e/0x80 [ 9115.480722][ T10] fib6_nh_init+0x3d8/0x1580 [ 9115.480722][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9115.480722][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9115.480722][ T10] ipv6_add_addr+0x411/0x2000 [ 9115.480722][ T10] inet6_addr_add+0x30e/0xa40 [ 9115.480722][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9115.480722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9115.480722][ T10] netlink_rcv_skb+0x130/0x360 [ 9115.480722][ T10] netlink_unicast+0x449/0x710 [ 9115.480722][ T10] netlink_sendmsg+0x723/0xbe0 [ 9115.480722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9115.480722][ T10] ___sys_sendmsg+0xee/0x170 [ 9115.480722][ T10] __sys_sendmsg+0xcd/0x170 [ 9115.480722][ T10] do_syscall_64+0xc6/0x1e0 [ 9115.480722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9115.480722][ T10] [ 9115.482955][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9115.482955][ T10] netdev_get_by_index+0x5e/0x80 [ 9115.482955][ T10] fib6_nh_init+0x3d8/0x1580 [ 9115.482955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9115.482955][ T10] ip6_route_add+0x1c/0x140 [ 9115.482955][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9115.482955][ T10] addrconf_add_dev+0xe2/0x170 [ 9115.482955][ T10] inet6_addr_add+0x12f/0xa40 [ 9115.482955][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9115.482955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9115.482955][ T10] netlink_rcv_skb+0x130/0x360 [ 9115.482955][ T10] netlink_unicast+0x449/0x710 [ 9115.482955][ T10] netlink_sendmsg+0x723/0xbe0 [ 9115.482955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9115.482955][ T10] ___sys_sendmsg+0xee/0x170 [ 9115.482955][ T10] __sys_sendmsg+0xcd/0x170 [ 9115.482955][ T10] do_syscall_64+0xc6/0x1e0 [ 9115.482955][ T10] [ 9115.485140][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9115.485140][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9115.485140][ T10] ipv6_find_idev+0x102/0x170 [ 9115.485140][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9115.485140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9115.485140][ T10] netlink_rcv_skb+0x130/0x360 [ 9115.485140][ T10] netlink_unicast+0x449/0x710 [ 9115.485140][ T10] netlink_sendmsg+0x723/0xbe0 [ 9115.485140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9115.485140][ T10] ___sys_sendmsg+0xee/0x170 [ 9115.485140][ T10] __sys_sendmsg+0xcd/0x170 [ 9115.485140][ T10] do_syscall_64+0xc6/0x1e0 [ 9115.485140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9115.485140][ T10] [ 9115.486857][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9115.486857][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9115.486857][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9115.486857][ T10] ipv6_find_idev+0x102/0x170 [ 9115.486857][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9115.486857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9115.486857][ T10] netlink_rcv_skb+0x130/0x360 [ 9115.486857][ T10] netlink_unicast+0x449/0x710 [ 9115.486857][ T10] netlink_sendmsg+0x723/0xbe0 [ 9115.486857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9115.486857][ T10] ___sys_sendmsg+0xee/0x170 [ 9115.486857][ T10] __sys_sendmsg+0xcd/0x170 [ 9115.486857][ T10] do_syscall_64+0xc6/0x1e0 [ 9115.486857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9115.486857][ T10] [ 9121.601101][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9121.601595][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9121.601595][ T1167] dst_init+0x84/0x4a0 [ 9121.601595][ T1167] dst_alloc+0x97/0x150 [ 9121.601595][ T1167] ip6_dst_alloc+0x23/0x90 [ 9121.601595][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9121.601595][ T1167] ip6_pol_route+0x56f/0x840 [ 9121.601595][ T1167] fib6_rule_lookup+0x334/0x630 [ 9121.601595][ T1167] ip6_route_output_flags+0x259/0x480 [ 9121.601595][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9121.601595][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9121.601595][ T1167] netlink_rcv_skb+0x130/0x360 [ 9121.601595][ T1167] netlink_unicast+0x449/0x710 [ 9121.601595][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9121.601595][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9121.601595][ T1167] ___sys_sendmsg+0xee/0x170 [ 9121.601595][ T1167] __sys_sendmsg+0xcd/0x170 [ 9121.601595][ T1167] do_syscall_64+0xc6/0x1e0 [ 9121.601595][ T1167] [ 9121.603818][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9121.603818][ T1167] netdev_get_by_index+0x5e/0x80 [ 9121.603818][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9121.603818][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9121.603818][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9121.603818][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9121.603818][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9121.603818][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9121.603818][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9121.603818][ T1167] addrconf_dad_begin+0x310/0x670 [ 9121.603818][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9121.603818][ T1167] process_one_work+0x84d/0x18a0 [ 9121.603818][ T1167] worker_thread+0x587/0xd30 [ 9121.603818][ T1167] kthread+0x28a/0x350 [ 9121.603818][ T1167] ret_from_fork+0x31/0x70 [ 9121.603818][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9121.603818][ T1167] [ 9121.605986][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9121.605986][ T1167] netdev_get_by_index+0x5e/0x80 [ 9121.605986][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9121.605986][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9121.605986][ T1167] ip6_route_add+0x1c/0x140 [ 9121.605986][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9121.605986][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9121.605986][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9121.605986][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9121.605986][ T1167] netlink_rcv_skb+0x130/0x360 [ 9121.605986][ T1167] netlink_unicast+0x449/0x710 [ 9121.605986][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9121.605986][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9121.605986][ T1167] ___sys_sendmsg+0xee/0x170 [ 9121.605986][ T1167] __sys_sendmsg+0xcd/0x170 [ 9121.605986][ T1167] do_syscall_64+0xc6/0x1e0 [ 9121.605986][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9121.605986][ T1167] [ 9121.608251][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9121.608251][ T1167] netdev_get_by_index+0x5e/0x80 [ 9121.608251][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9121.608251][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9121.608251][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9121.608251][ T1167] ipv6_add_addr+0x411/0x2000 [ 9121.608251][ T1167] inet6_addr_add+0x30e/0xa40 [ 9121.608251][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9121.608251][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9121.608251][ T1167] netlink_rcv_skb+0x130/0x360 [ 9121.608251][ T1167] netlink_unicast+0x449/0x710 [ 9121.608251][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9121.608251][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9121.608251][ T1167] ___sys_sendmsg+0xee/0x170 [ 9121.608251][ T1167] __sys_sendmsg+0xcd/0x170 [ 9121.608251][ T1167] do_syscall_64+0xc6/0x1e0 [ 9121.608251][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9121.608251][ T1167] [ 9121.610508][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9121.610508][ T1167] netdev_get_by_index+0x5e/0x80 [ 9121.610508][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9121.610508][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9121.610508][ T1167] ip6_route_add+0x1c/0x140 [ 9121.610508][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9121.610508][ T1167] addrconf_add_dev+0xe2/0x170 [ 9121.610508][ T1167] inet6_addr_add+0x12f/0xa40 [ 9121.610508][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9121.610508][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9121.610508][ T1167] netlink_rcv_skb+0x130/0x360 [ 9121.610508][ T1167] netlink_unicast+0x449/0x710 [ 9121.610508][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9121.610508][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9121.610508][ T1167] ___sys_sendmsg+0xee/0x170 [ 9121.610508][ T1167] __sys_sendmsg+0xcd/0x170 [ 9121.610508][ T1167] do_syscall_64+0xc6/0x1e0 [ 9121.610508][ T1167] [ 9121.612724][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9121.612724][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9121.612724][ T1167] ipv6_find_idev+0x102/0x170 [ 9121.612724][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9121.612724][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9121.612724][ T1167] netlink_rcv_skb+0x130/0x360 [ 9121.612724][ T1167] netlink_unicast+0x449/0x710 [ 9121.612724][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9121.612724][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9121.612724][ T1167] ___sys_sendmsg+0xee/0x170 [ 9121.612724][ T1167] __sys_sendmsg+0xcd/0x170 [ 9121.612724][ T1167] do_syscall_64+0xc6/0x1e0 [ 9121.612724][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9121.612724][ T1167] [ 9121.614460][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9121.614460][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9121.614460][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9121.614460][ T1167] ipv6_find_idev+0x102/0x170 [ 9121.614460][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9121.614460][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9121.614460][ T1167] netlink_rcv_skb+0x130/0x360 [ 9121.614460][ T1167] netlink_unicast+0x449/0x710 [ 9121.614460][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9121.614460][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9121.614460][ T1167] ___sys_sendmsg+0xee/0x170 [ 9121.614460][ T1167] __sys_sendmsg+0xcd/0x170 [ 9121.614460][ T1167] do_syscall_64+0xc6/0x1e0 [ 9121.614460][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9121.614460][ T1167] [ 9125.729102][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9125.729505][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9125.729505][ T10] netdev_get_by_index+0x5e/0x80 [ 9125.729505][ T10] fib6_nh_init+0x3d8/0x1580 [ 9125.729505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9125.729505][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9125.729505][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9125.729505][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9125.729505][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9125.729505][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9125.729505][ T10] addrconf_dad_begin+0x310/0x670 [ 9125.729505][ T10] addrconf_dad_work+0x10b/0xab0 [ 9125.729505][ T10] process_one_work+0x84d/0x18a0 [ 9125.729505][ T10] worker_thread+0x587/0xd30 [ 9125.729505][ T10] kthread+0x28a/0x350 [ 9125.729505][ T10] ret_from_fork+0x31/0x70 [ 9125.729505][ T10] ret_from_fork_asm+0x1a/0x30 [ 9125.729505][ T10] [ 9125.731426][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9125.731426][ T10] netdev_get_by_index+0x5e/0x80 [ 9125.731426][ T10] fib6_nh_init+0x3d8/0x1580 [ 9125.731426][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9125.731426][ T10] ip6_route_add+0x1c/0x140 [ 9125.731426][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9125.731426][ T10] inet6_addr_add+0x4f8/0xa40 [ 9125.731426][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9125.731426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9125.731426][ T10] netlink_rcv_skb+0x130/0x360 [ 9125.731426][ T10] netlink_unicast+0x449/0x710 [ 9125.731426][ T10] netlink_sendmsg+0x723/0xbe0 [ 9125.731426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9125.731426][ T10] ___sys_sendmsg+0xee/0x170 [ 9125.731426][ T10] __sys_sendmsg+0xcd/0x170 [ 9125.731426][ T10] do_syscall_64+0xc6/0x1e0 [ 9125.731426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9125.731426][ T10] [ 9125.733414][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9125.733414][ T10] netdev_get_by_index+0x5e/0x80 [ 9125.733414][ T10] fib6_nh_init+0x3d8/0x1580 [ 9125.733414][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9125.733414][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9125.733414][ T10] ipv6_add_addr+0x411/0x2000 [ 9125.733414][ T10] inet6_addr_add+0x30e/0xa40 [ 9125.733414][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9125.733414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9125.733414][ T10] netlink_rcv_skb+0x130/0x360 [ 9125.733414][ T10] netlink_unicast+0x449/0x710 [ 9125.733414][ T10] netlink_sendmsg+0x723/0xbe0 [ 9125.733414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9125.733414][ T10] ___sys_sendmsg+0xee/0x170 [ 9125.733414][ T10] __sys_sendmsg+0xcd/0x170 [ 9125.733414][ T10] do_syscall_64+0xc6/0x1e0 [ 9125.733414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9125.733414][ T10] [ 9125.735402][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9125.735402][ T10] netdev_get_by_index+0x5e/0x80 [ 9125.735402][ T10] fib6_nh_init+0x3d8/0x1580 [ 9125.735402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9125.735402][ T10] ip6_route_add+0x1c/0x140 [ 9125.735402][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9125.735402][ T10] addrconf_add_dev+0xe2/0x170 [ 9125.735402][ T10] inet6_addr_add+0x12f/0xa40 [ 9125.735402][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9125.735402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9125.735402][ T10] netlink_rcv_skb+0x130/0x360 [ 9125.735402][ T10] netlink_unicast+0x449/0x710 [ 9125.735402][ T10] netlink_sendmsg+0x723/0xbe0 [ 9125.735402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9125.735402][ T10] ___sys_sendmsg+0xee/0x170 [ 9125.735402][ T10] __sys_sendmsg+0xcd/0x170 [ 9125.735402][ T10] do_syscall_64+0xc6/0x1e0 [ 9125.735402][ T10] [ 9125.737357][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9125.737357][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9125.737357][ T10] ipv6_find_idev+0x102/0x170 [ 9125.737357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9125.737357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9125.737357][ T10] netlink_rcv_skb+0x130/0x360 [ 9125.737357][ T10] netlink_unicast+0x449/0x710 [ 9125.737357][ T10] netlink_sendmsg+0x723/0xbe0 [ 9125.737357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9125.737357][ T10] ___sys_sendmsg+0xee/0x170 [ 9125.737357][ T10] __sys_sendmsg+0xcd/0x170 [ 9125.737357][ T10] do_syscall_64+0xc6/0x1e0 [ 9125.737357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9125.737357][ T10] [ 9125.738884][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9125.738884][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9125.738884][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9125.738884][ T10] ipv6_find_idev+0x102/0x170 [ 9125.738884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9125.738884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9125.738884][ T10] netlink_rcv_skb+0x130/0x360 [ 9125.738884][ T10] netlink_unicast+0x449/0x710 [ 9125.738884][ T10] netlink_sendmsg+0x723/0xbe0 [ 9125.738884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9125.738884][ T10] ___sys_sendmsg+0xee/0x170 [ 9125.738884][ T10] __sys_sendmsg+0xcd/0x170 [ 9125.738884][ T10] do_syscall_64+0xc6/0x1e0 [ 9125.738884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9125.738884][ T10] [ 9125.740591][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9125.740830][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9125.740830][ T10] netdev_get_by_index+0x5e/0x80 [ 9125.740830][ T10] fib6_nh_init+0x3d8/0x1580 [ 9125.740830][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9125.740830][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9125.740830][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9125.740830][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9125.740830][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9125.740830][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9125.740830][ T10] addrconf_dad_begin+0x310/0x670 [ 9125.740830][ T10] addrconf_dad_work+0x10b/0xab0 [ 9125.740830][ T10] process_one_work+0x84d/0x18a0 [ 9125.740830][ T10] worker_thread+0x587/0xd30 [ 9125.740830][ T10] kthread+0x28a/0x350 [ 9125.740830][ T10] ret_from_fork+0x31/0x70 [ 9125.740830][ T10] ret_from_fork_asm+0x1a/0x30 [ 9125.740830][ T10] [ 9125.742733][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9125.742733][ T10] netdev_get_by_index+0x5e/0x80 [ 9125.742733][ T10] fib6_nh_init+0x3d8/0x1580 [ 9125.742733][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9125.742733][ T10] ip6_route_add+0x1c/0x140 [ 9125.742733][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9125.742733][ T10] inet6_addr_add+0x4f8/0xa40 [ 9125.742733][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9125.742733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9125.742733][ T10] netlink_rcv_skb+0x130/0x360 [ 9125.742733][ T10] netlink_unicast+0x449/0x710 [ 9125.742733][ T10] netlink_sendmsg+0x723/0xbe0 [ 9125.742733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9125.742733][ T10] ___sys_sendmsg+0xee/0x170 [ 9125.742733][ T10] __sys_sendmsg+0xcd/0x170 [ 9125.742733][ T10] do_syscall_64+0xc6/0x1e0 [ 9125.742733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9125.742733][ T10] [ 9125.744717][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9125.744717][ T10] netdev_get_by_index+0x5e/0x80 [ 9125.744717][ T10] fib6_nh_init+0x3d8/0x1580 [ 9125.744717][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9125.744717][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9125.744717][ T10] ipv6_add_addr+0x411/0x2000 [ 9125.744717][ T10] inet6_addr_add+0x30e/0xa40 [ 9125.744717][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9125.744717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9125.744717][ T10] netlink_rcv_skb+0x130/0x360 [ 9125.744717][ T10] netlink_unicast+0x449/0x710 [ 9125.744717][ T10] netlink_sendmsg+0x723/0xbe0 [ 9125.744717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9125.744717][ T10] ___sys_sendmsg+0xee/0x170 [ 9125.744717][ T10] __sys_sendmsg+0xcd/0x170 [ 9125.744717][ T10] do_syscall_64+0xc6/0x1e0 [ 9125.744717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9125.744717][ T10] [ 9125.746708][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9125.746708][ T10] netdev_get_by_index+0x5e/0x80 [ 9125.746708][ T10] fib6_nh_init+0x3d8/0x1580 [ 9125.746708][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9125.746708][ T10] ip6_route_add+0x1c/0x140 [ 9125.746708][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9125.746708][ T10] addrconf_add_dev+0xe2/0x170 [ 9125.746708][ T10] inet6_addr_add+0x12f/0xa40 [ 9125.746708][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9125.746708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9125.746708][ T10] netlink_rcv_skb+0x130/0x360 [ 9125.746708][ T10] netlink_unicast+0x449/0x710 [ 9125.746708][ T10] netlink_sendmsg+0x723/0xbe0 [ 9125.746708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9125.746708][ T10] ___sys_sendmsg+0xee/0x170 [ 9125.746708][ T10] __sys_sendmsg+0xcd/0x170 [ 9125.746708][ T10] do_syscall_64+0xc6/0x1e0 [ 9125.746708][ T10] [ 9125.748665][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9125.748665][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9125.748665][ T10] ipv6_find_idev+0x102/0x170 [ 9125.748665][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9125.748665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9125.748665][ T10] netlink_rcv_skb+0x130/0x360 [ 9125.748665][ T10] netlink_unicast+0x449/0x710 [ 9125.748665][ T10] netlink_sendmsg+0x723/0xbe0 [ 9125.748665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9125.748665][ T10] ___sys_sendmsg+0xee/0x170 [ 9125.748665][ T10] __sys_sendmsg+0xcd/0x170 [ 9125.748665][ T10] do_syscall_64+0xc6/0x1e0 [ 9125.748665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9125.748665][ T10] [ 9125.750191][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9125.750191][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9125.750191][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9125.750191][ T10] ipv6_find_idev+0x102/0x170 [ 9125.750191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9125.750191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9125.750191][ T10] netlink_rcv_skb+0x130/0x360 [ 9125.750191][ T10] netlink_unicast+0x449/0x710 [ 9125.750191][ T10] netlink_sendmsg+0x723/0xbe0 [ 9125.750191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9125.750191][ T10] ___sys_sendmsg+0xee/0x170 [ 9125.750191][ T10] __sys_sendmsg+0xcd/0x170 [ 9125.750191][ T10] do_syscall_64+0xc6/0x1e0 [ 9125.750191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9125.750191][ T10] [ 9125.751856][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9125.752098][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9125.752098][ T10] netdev_get_by_index+0x5e/0x80 [ 9125.752098][ T10] fib6_nh_init+0x3d8/0x1580 [ 9125.752098][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9125.752098][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9125.752098][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9125.752098][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9125.752098][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9125.752098][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9125.752098][ T10] addrconf_dad_begin+0x310/0x670 [ 9125.752098][ T10] addrconf_dad_work+0x10b/0xab0 [ 9125.752098][ T10] process_one_work+0x84d/0x18a0 [ 9125.752098][ T10] worker_thread+0x587/0xd30 [ 9125.752098][ T10] kthread+0x28a/0x350 [ 9125.752098][ T10] ret_from_fork+0x31/0x70 [ 9125.752098][ T10] ret_from_fork_asm+0x1a/0x30 [ 9125.752098][ T10] [ 9125.753992][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9125.753992][ T10] netdev_get_by_index+0x5e/0x80 [ 9125.753992][ T10] fib6_nh_init+0x3d8/0x1580 [ 9125.753992][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9125.753992][ T10] ip6_route_add+0x1c/0x140 [ 9125.753992][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9125.753992][ T10] inet6_addr_add+0x4f8/0xa40 [ 9125.753992][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9125.753992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9125.753992][ T10] netlink_rcv_skb+0x130/0x360 [ 9125.753992][ T10] netlink_unicast+0x449/0x710 [ 9125.753992][ T10] netlink_sendmsg+0x723/0xbe0 [ 9125.753992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9125.753992][ T10] ___sys_sendmsg+0xee/0x170 [ 9125.753992][ T10] __sys_sendmsg+0xcd/0x170 [ 9125.753992][ T10] do_syscall_64+0xc6/0x1e0 [ 9125.753992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9125.753992][ T10] [ 9125.756159][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9125.756159][ T10] netdev_get_by_index+0x5e/0x80 [ 9125.756159][ T10] fib6_nh_init+0x3d8/0x1580 [ 9125.756159][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9125.756159][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9125.756159][ T10] ipv6_add_addr+0x411/0x2000 [ 9125.756159][ T10] inet6_addr_add+0x30e/0xa40 [ 9125.756159][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9125.756159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9125.756159][ T10] netlink_rcv_skb+0x130/0x360 [ 9125.756159][ T10] netlink_unicast+0x449/0x710 [ 9125.756159][ T10] netlink_sendmsg+0x723/0xbe0 [ 9125.756159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9125.756159][ T10] ___sys_sendmsg+0xee/0x170 [ 9125.756159][ T10] __sys_sendmsg+0xcd/0x170 [ 9125.756159][ T10] do_syscall_64+0xc6/0x1e0 [ 9125.756159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9125.756159][ T10] [ 9125.758457][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9125.758457][ T10] netdev_get_by_index+0x5e/0x80 [ 9125.758457][ T10] fib6_nh_init+0x3d8/0x1580 [ 9125.758457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9125.758457][ T10] ip6_route_add+0x1c/0x140 [ 9125.758457][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9125.758457][ T10] addrconf_add_dev+0xe2/0x170 [ 9125.758457][ T10] inet6_addr_add+0x12f/0xa40 [ 9125.758457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9125.758457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9125.758457][ T10] netlink_rcv_skb+0x130/0x360 [ 9125.758457][ T10] netlink_unicast+0x449/0x710 [ 9125.758457][ T10] netlink_sendmsg+0x723/0xbe0 [ 9125.758457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9125.758457][ T10] ___sys_sendmsg+0xee/0x170 [ 9125.758457][ T10] __sys_sendmsg+0xcd/0x170 [ 9125.758457][ T10] do_syscall_64+0xc6/0x1e0 [ 9125.758457][ T10] [ 9125.760585][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9125.760585][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9125.760585][ T10] ipv6_find_idev+0x102/0x170 [ 9125.760585][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9125.760585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9125.760585][ T10] netlink_rcv_skb+0x130/0x360 [ 9125.760585][ T10] netlink_unicast+0x449/0x710 [ 9125.760585][ T10] netlink_sendmsg+0x723/0xbe0 [ 9125.760585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9125.760585][ T10] ___sys_sendmsg+0xee/0x170 [ 9125.760585][ T10] __sys_sendmsg+0xcd/0x170 [ 9125.760585][ T10] do_syscall_64+0xc6/0x1e0 [ 9125.760585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9125.760585][ T10] [ 9125.762287][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9125.762287][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9125.762287][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9125.762287][ T10] ipv6_find_idev+0x102/0x170 [ 9125.762287][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9125.762287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9125.762287][ T10] netlink_rcv_skb+0x130/0x360 [ 9125.762287][ T10] netlink_unicast+0x449/0x710 [ 9125.762287][ T10] netlink_sendmsg+0x723/0xbe0 [ 9125.762287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9125.762287][ T10] ___sys_sendmsg+0xee/0x170 [ 9125.762287][ T10] __sys_sendmsg+0xcd/0x170 [ 9125.762287][ T10] do_syscall_64+0xc6/0x1e0 [ 9125.762287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9125.762287][ T10] [ 9125.764129][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9125.764362][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9125.764362][ T10] netdev_get_by_index+0x5e/0x80 [ 9125.764362][ T10] fib6_nh_init+0x3d8/0x1580 [ 9125.764362][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9125.764362][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9125.764362][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9125.764362][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9125.764362][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9125.764362][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9125.764362][ T10] addrconf_dad_begin+0x310/0x670 [ 9125.764362][ T10] addrconf_dad_work+0x10b/0xab0 [ 9125.764362][ T10] process_one_work+0x84d/0x18a0 [ 9125.764362][ T10] worker_thread+0x587/0xd30 [ 9125.764362][ T10] kthread+0x28a/0x350 [ 9125.764362][ T10] ret_from_fork+0x31/0x70 [ 9125.764362][ T10] ret_from_fork_asm+0x1a/0x30 [ 9125.764362][ T10] [ 9125.766578][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9125.766578][ T10] netdev_get_by_index+0x5e/0x80 [ 9125.766578][ T10] fib6_nh_init+0x3d8/0x1580 [ 9125.766578][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9125.766578][ T10] ip6_route_add+0x1c/0x140 [ 9125.766578][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9125.766578][ T10] inet6_addr_add+0x4f8/0xa40 [ 9125.766578][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9125.766578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9125.766578][ T10] netlink_rcv_skb+0x130/0x360 [ 9125.766578][ T10] netlink_unicast+0x449/0x710 [ 9125.766578][ T10] netlink_sendmsg+0x723/0xbe0 [ 9125.766578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9125.766578][ T10] ___sys_sendmsg+0xee/0x170 [ 9125.766578][ T10] __sys_sendmsg+0xcd/0x170 [ 9125.766578][ T10] do_syscall_64+0xc6/0x1e0 [ 9125.766578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9125.766578][ T10] [ 9125.768748][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9125.768748][ T10] netdev_get_by_index+0x5e/0x80 [ 9125.768748][ T10] fib6_nh_init+0x3d8/0x1580 [ 9125.768748][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9125.768748][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9125.768748][ T10] ipv6_add_addr+0x411/0x2000 [ 9125.768748][ T10] inet6_addr_add+0x30e/0xa40 [ 9125.768748][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9125.768748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9125.768748][ T10] netlink_rcv_skb+0x130/0x360 [ 9125.768748][ T10] netlink_unicast+0x449/0x710 [ 9125.768748][ T10] netlink_sendmsg+0x723/0xbe0 [ 9125.768748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9125.768748][ T10] ___sys_sendmsg+0xee/0x170 [ 9125.768748][ T10] __sys_sendmsg+0xcd/0x170 [ 9125.768748][ T10] do_syscall_64+0xc6/0x1e0 [ 9125.768748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9125.768748][ T10] [ 9125.770992][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9125.770992][ T10] netdev_get_by_index+0x5e/0x80 [ 9125.770992][ T10] fib6_nh_init+0x3d8/0x1580 [ 9125.770992][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9125.770992][ T10] ip6_route_add+0x1c/0x140 [ 9125.770992][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9125.770992][ T10] addrconf_add_dev+0xe2/0x170 [ 9125.770992][ T10] inet6_addr_add+0x12f/0xa40 [ 9125.770992][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9125.770992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9125.770992][ T10] netlink_rcv_skb+0x130/0x360 [ 9125.770992][ T10] netlink_unicast+0x449/0x710 [ 9125.770992][ T10] netlink_sendmsg+0x723/0xbe0 [ 9125.770992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9125.770992][ T10] ___sys_sendmsg+0xee/0x170 [ 9125.770992][ T10] __sys_sendmsg+0xcd/0x170 [ 9125.770992][ T10] do_syscall_64+0xc6/0x1e0 [ 9125.770992][ T10] [ 9125.773180][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9125.773180][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9125.773180][ T10] ipv6_find_idev+0x102/0x170 [ 9125.773180][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9125.773180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9125.773180][ T10] netlink_rcv_skb+0x130/0x360 [ 9125.773180][ T10] netlink_unicast+0x449/0x710 [ 9125.773180][ T10] netlink_sendmsg+0x723/0xbe0 [ 9125.773180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9125.773180][ T10] ___sys_sendmsg+0xee/0x170 [ 9125.773180][ T10] __sys_sendmsg+0xcd/0x170 [ 9125.773180][ T10] do_syscall_64+0xc6/0x1e0 [ 9125.773180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9125.773180][ T10] [ 9125.774891][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9125.774891][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9125.774891][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9125.774891][ T10] ipv6_find_idev+0x102/0x170 [ 9125.774891][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9125.774891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9125.774891][ T10] netlink_rcv_skb+0x130/0x360 [ 9125.774891][ T10] netlink_unicast+0x449/0x710 [ 9125.774891][ T10] netlink_sendmsg+0x723/0xbe0 [ 9125.774891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9125.774891][ T10] ___sys_sendmsg+0xee/0x170 [ 9125.774891][ T10] __sys_sendmsg+0xcd/0x170 [ 9125.774891][ T10] do_syscall_64+0xc6/0x1e0 [ 9125.774891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9125.774891][ T10] [ 9131.649130][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9131.649623][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9131.649623][ T1167] dst_init+0x84/0x4a0 [ 9131.649623][ T1167] dst_alloc+0x97/0x150 [ 9131.649623][ T1167] ip6_dst_alloc+0x23/0x90 [ 9131.649623][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9131.649623][ T1167] ip6_pol_route+0x56f/0x840 [ 9131.649623][ T1167] fib6_rule_lookup+0x334/0x630 [ 9131.649623][ T1167] ip6_route_output_flags+0x259/0x480 [ 9131.649623][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9131.649623][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9131.649623][ T1167] netlink_rcv_skb+0x130/0x360 [ 9131.649623][ T1167] netlink_unicast+0x449/0x710 [ 9131.649623][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9131.649623][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9131.649623][ T1167] ___sys_sendmsg+0xee/0x170 [ 9131.649623][ T1167] __sys_sendmsg+0xcd/0x170 [ 9131.649623][ T1167] do_syscall_64+0xc6/0x1e0 [ 9131.649623][ T1167] [ 9131.651855][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9131.651855][ T1167] netdev_get_by_index+0x5e/0x80 [ 9131.651855][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9131.651855][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9131.651855][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9131.651855][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9131.651855][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9131.651855][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9131.651855][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9131.651855][ T1167] addrconf_dad_begin+0x310/0x670 [ 9131.651855][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9131.651855][ T1167] process_one_work+0x84d/0x18a0 [ 9131.651855][ T1167] worker_thread+0x587/0xd30 [ 9131.651855][ T1167] kthread+0x28a/0x350 [ 9131.651855][ T1167] ret_from_fork+0x31/0x70 [ 9131.651855][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9131.651855][ T1167] [ 9131.654016][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9131.654016][ T1167] netdev_get_by_index+0x5e/0x80 [ 9131.654016][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9131.654016][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9131.654016][ T1167] ip6_route_add+0x1c/0x140 [ 9131.654016][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9131.654016][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9131.654016][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9131.654016][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9131.654016][ T1167] netlink_rcv_skb+0x130/0x360 [ 9131.654016][ T1167] netlink_unicast+0x449/0x710 [ 9131.654016][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9131.654016][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9131.654016][ T1167] ___sys_sendmsg+0xee/0x170 [ 9131.654016][ T1167] __sys_sendmsg+0xcd/0x170 [ 9131.654016][ T1167] do_syscall_64+0xc6/0x1e0 [ 9131.654016][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9131.654016][ T1167] [ 9131.656287][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9131.656287][ T1167] netdev_get_by_index+0x5e/0x80 [ 9131.656287][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9131.656287][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9131.656287][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9131.656287][ T1167] ipv6_add_addr+0x411/0x2000 [ 9131.656287][ T1167] inet6_addr_add+0x30e/0xa40 [ 9131.656287][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9131.656287][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9131.656287][ T1167] netlink_rcv_skb+0x130/0x360 [ 9131.656287][ T1167] netlink_unicast+0x449/0x710 [ 9131.656287][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9131.656287][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9131.656287][ T1167] ___sys_sendmsg+0xee/0x170 [ 9131.656287][ T1167] __sys_sendmsg+0xcd/0x170 [ 9131.656287][ T1167] do_syscall_64+0xc6/0x1e0 [ 9131.656287][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9131.656287][ T1167] [ 9131.658545][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9131.658545][ T1167] netdev_get_by_index+0x5e/0x80 [ 9131.658545][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9131.658545][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9131.658545][ T1167] ip6_route_add+0x1c/0x140 [ 9131.658545][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9131.658545][ T1167] addrconf_add_dev+0xe2/0x170 [ 9131.658545][ T1167] inet6_addr_add+0x12f/0xa40 [ 9131.658545][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9131.658545][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9131.658545][ T1167] netlink_rcv_skb+0x130/0x360 [ 9131.658545][ T1167] netlink_unicast+0x449/0x710 [ 9131.658545][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9131.658545][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9131.658545][ T1167] ___sys_sendmsg+0xee/0x170 [ 9131.658545][ T1167] __sys_sendmsg+0xcd/0x170 [ 9131.658545][ T1167] do_syscall_64+0xc6/0x1e0 [ 9131.658545][ T1167] [ 9131.660765][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9131.660765][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9131.660765][ T1167] ipv6_find_idev+0x102/0x170 [ 9131.660765][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9131.660765][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9131.660765][ T1167] netlink_rcv_skb+0x130/0x360 [ 9131.660765][ T1167] netlink_unicast+0x449/0x710 [ 9131.660765][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9131.660765][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9131.660765][ T1167] ___sys_sendmsg+0xee/0x170 [ 9131.660765][ T1167] __sys_sendmsg+0xcd/0x170 [ 9131.660765][ T1167] do_syscall_64+0xc6/0x1e0 [ 9131.660765][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9131.660765][ T1167] [ 9131.662504][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9131.662504][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9131.662504][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9131.662504][ T1167] ipv6_find_idev+0x102/0x170 [ 9131.662504][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9131.662504][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9131.662504][ T1167] netlink_rcv_skb+0x130/0x360 [ 9131.662504][ T1167] netlink_unicast+0x449/0x710 [ 9131.662504][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9131.662504][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9131.662504][ T1167] ___sys_sendmsg+0xee/0x170 [ 9131.662504][ T1167] __sys_sendmsg+0xcd/0x170 [ 9131.662504][ T1167] do_syscall_64+0xc6/0x1e0 [ 9131.662504][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9131.662504][ T1167] [ 9135.937105][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9135.937519][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9135.937519][ T10] netdev_get_by_index+0x5e/0x80 [ 9135.937519][ T10] fib6_nh_init+0x3d8/0x1580 [ 9135.937519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9135.937519][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9135.937519][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9135.937519][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9135.937519][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9135.937519][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9135.937519][ T10] addrconf_dad_begin+0x310/0x670 [ 9135.937519][ T10] addrconf_dad_work+0x10b/0xab0 [ 9135.937519][ T10] process_one_work+0x84d/0x18a0 [ 9135.937519][ T10] worker_thread+0x587/0xd30 [ 9135.937519][ T10] kthread+0x28a/0x350 [ 9135.937519][ T10] ret_from_fork+0x31/0x70 [ 9135.937519][ T10] ret_from_fork_asm+0x1a/0x30 [ 9135.937519][ T10] [ 9135.939457][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9135.939457][ T10] netdev_get_by_index+0x5e/0x80 [ 9135.939457][ T10] fib6_nh_init+0x3d8/0x1580 [ 9135.939457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9135.939457][ T10] ip6_route_add+0x1c/0x140 [ 9135.939457][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9135.939457][ T10] inet6_addr_add+0x4f8/0xa40 [ 9135.939457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9135.939457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9135.939457][ T10] netlink_rcv_skb+0x130/0x360 [ 9135.939457][ T10] netlink_unicast+0x449/0x710 [ 9135.939457][ T10] netlink_sendmsg+0x723/0xbe0 [ 9135.939457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9135.939457][ T10] ___sys_sendmsg+0xee/0x170 [ 9135.939457][ T10] __sys_sendmsg+0xcd/0x170 [ 9135.939457][ T10] do_syscall_64+0xc6/0x1e0 [ 9135.939457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9135.939457][ T10] [ 9135.941473][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9135.941473][ T10] netdev_get_by_index+0x5e/0x80 [ 9135.941473][ T10] fib6_nh_init+0x3d8/0x1580 [ 9135.941473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9135.941473][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9135.941473][ T10] ipv6_add_addr+0x411/0x2000 [ 9135.941473][ T10] inet6_addr_add+0x30e/0xa40 [ 9135.941473][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9135.941473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9135.941473][ T10] netlink_rcv_skb+0x130/0x360 [ 9135.941473][ T10] netlink_unicast+0x449/0x710 [ 9135.941473][ T10] netlink_sendmsg+0x723/0xbe0 [ 9135.941473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9135.941473][ T10] ___sys_sendmsg+0xee/0x170 [ 9135.941473][ T10] __sys_sendmsg+0xcd/0x170 [ 9135.941473][ T10] do_syscall_64+0xc6/0x1e0 [ 9135.941473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9135.941473][ T10] [ 9135.943472][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9135.943472][ T10] netdev_get_by_index+0x5e/0x80 [ 9135.943472][ T10] fib6_nh_init+0x3d8/0x1580 [ 9135.943472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9135.943472][ T10] ip6_route_add+0x1c/0x140 [ 9135.943472][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9135.943472][ T10] addrconf_add_dev+0xe2/0x170 [ 9135.943472][ T10] inet6_addr_add+0x12f/0xa40 [ 9135.943472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9135.943472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9135.943472][ T10] netlink_rcv_skb+0x130/0x360 [ 9135.943472][ T10] netlink_unicast+0x449/0x710 [ 9135.943472][ T10] netlink_sendmsg+0x723/0xbe0 [ 9135.943472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9135.943472][ T10] ___sys_sendmsg+0xee/0x170 [ 9135.943472][ T10] __sys_sendmsg+0xcd/0x170 [ 9135.943472][ T10] do_syscall_64+0xc6/0x1e0 [ 9135.943472][ T10] [ 9135.945447][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9135.945447][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9135.945447][ T10] ipv6_find_idev+0x102/0x170 [ 9135.945447][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9135.945447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9135.945447][ T10] netlink_rcv_skb+0x130/0x360 [ 9135.945447][ T10] netlink_unicast+0x449/0x710 [ 9135.945447][ T10] netlink_sendmsg+0x723/0xbe0 [ 9135.945447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9135.945447][ T10] ___sys_sendmsg+0xee/0x170 [ 9135.945447][ T10] __sys_sendmsg+0xcd/0x170 [ 9135.945447][ T10] do_syscall_64+0xc6/0x1e0 [ 9135.945447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9135.945447][ T10] [ 9135.946986][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9135.946986][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9135.946986][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9135.946986][ T10] ipv6_find_idev+0x102/0x170 [ 9135.946986][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9135.946986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9135.946986][ T10] netlink_rcv_skb+0x130/0x360 [ 9135.946986][ T10] netlink_unicast+0x449/0x710 [ 9135.946986][ T10] netlink_sendmsg+0x723/0xbe0 [ 9135.946986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9135.946986][ T10] ___sys_sendmsg+0xee/0x170 [ 9135.946986][ T10] __sys_sendmsg+0xcd/0x170 [ 9135.946986][ T10] do_syscall_64+0xc6/0x1e0 [ 9135.946986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9135.946986][ T10] [ 9135.948678][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9135.948919][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9135.948919][ T10] netdev_get_by_index+0x5e/0x80 [ 9135.948919][ T10] fib6_nh_init+0x3d8/0x1580 [ 9135.948919][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9135.948919][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9135.948919][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9135.948919][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9135.948919][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9135.948919][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9135.948919][ T10] addrconf_dad_begin+0x310/0x670 [ 9135.948919][ T10] addrconf_dad_work+0x10b/0xab0 [ 9135.948919][ T10] process_one_work+0x84d/0x18a0 [ 9135.948919][ T10] worker_thread+0x587/0xd30 [ 9135.948919][ T10] kthread+0x28a/0x350 [ 9135.948919][ T10] ret_from_fork+0x31/0x70 [ 9135.948919][ T10] ret_from_fork_asm+0x1a/0x30 [ 9135.948919][ T10] [ 9135.950840][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9135.950840][ T10] netdev_get_by_index+0x5e/0x80 [ 9135.950840][ T10] fib6_nh_init+0x3d8/0x1580 [ 9135.950840][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9135.950840][ T10] ip6_route_add+0x1c/0x140 [ 9135.950840][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9135.950840][ T10] inet6_addr_add+0x4f8/0xa40 [ 9135.950840][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9135.950840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9135.950840][ T10] netlink_rcv_skb+0x130/0x360 [ 9135.950840][ T10] netlink_unicast+0x449/0x710 [ 9135.950840][ T10] netlink_sendmsg+0x723/0xbe0 [ 9135.950840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9135.950840][ T10] ___sys_sendmsg+0xee/0x170 [ 9135.950840][ T10] __sys_sendmsg+0xcd/0x170 [ 9135.950840][ T10] do_syscall_64+0xc6/0x1e0 [ 9135.950840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9135.950840][ T10] [ 9135.952841][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9135.952841][ T10] netdev_get_by_index+0x5e/0x80 [ 9135.952841][ T10] fib6_nh_init+0x3d8/0x1580 [ 9135.952841][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9135.952841][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9135.952841][ T10] ipv6_add_addr+0x411/0x2000 [ 9135.952841][ T10] inet6_addr_add+0x30e/0xa40 [ 9135.952841][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9135.952841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9135.952841][ T10] netlink_rcv_skb+0x130/0x360 [ 9135.952841][ T10] netlink_unicast+0x449/0x710 [ 9135.952841][ T10] netlink_sendmsg+0x723/0xbe0 [ 9135.952841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9135.952841][ T10] ___sys_sendmsg+0xee/0x170 [ 9135.952841][ T10] __sys_sendmsg+0xcd/0x170 [ 9135.952841][ T10] do_syscall_64+0xc6/0x1e0 [ 9135.952841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9135.952841][ T10] [ 9135.954839][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9135.954839][ T10] netdev_get_by_index+0x5e/0x80 [ 9135.954839][ T10] fib6_nh_init+0x3d8/0x1580 [ 9135.954839][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9135.954839][ T10] ip6_route_add+0x1c/0x140 [ 9135.954839][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9135.954839][ T10] addrconf_add_dev+0xe2/0x170 [ 9135.954839][ T10] inet6_addr_add+0x12f/0xa40 [ 9135.954839][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9135.954839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9135.954839][ T10] netlink_rcv_skb+0x130/0x360 [ 9135.954839][ T10] netlink_unicast+0x449/0x710 [ 9135.954839][ T10] netlink_sendmsg+0x723/0xbe0 [ 9135.954839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9135.954839][ T10] ___sys_sendmsg+0xee/0x170 [ 9135.954839][ T10] __sys_sendmsg+0xcd/0x170 [ 9135.954839][ T10] do_syscall_64+0xc6/0x1e0 [ 9135.954839][ T10] [ 9135.956812][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9135.956812][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9135.956812][ T10] ipv6_find_idev+0x102/0x170 [ 9135.956812][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9135.956812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9135.956812][ T10] netlink_rcv_skb+0x130/0x360 [ 9135.956812][ T10] netlink_unicast+0x449/0x710 [ 9135.956812][ T10] netlink_sendmsg+0x723/0xbe0 [ 9135.956812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9135.956812][ T10] ___sys_sendmsg+0xee/0x170 [ 9135.956812][ T10] __sys_sendmsg+0xcd/0x170 [ 9135.956812][ T10] do_syscall_64+0xc6/0x1e0 [ 9135.956812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9135.956812][ T10] [ 9135.958361][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9135.958361][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9135.958361][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9135.958361][ T10] ipv6_find_idev+0x102/0x170 [ 9135.958361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9135.958361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9135.958361][ T10] netlink_rcv_skb+0x130/0x360 [ 9135.958361][ T10] netlink_unicast+0x449/0x710 [ 9135.958361][ T10] netlink_sendmsg+0x723/0xbe0 [ 9135.958361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9135.958361][ T10] ___sys_sendmsg+0xee/0x170 [ 9135.958361][ T10] __sys_sendmsg+0xcd/0x170 [ 9135.958361][ T10] do_syscall_64+0xc6/0x1e0 [ 9135.958361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9135.958361][ T10] [ 9135.960053][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9135.960291][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9135.960291][ T10] netdev_get_by_index+0x5e/0x80 [ 9135.960291][ T10] fib6_nh_init+0x3d8/0x1580 [ 9135.960291][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9135.960291][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9135.960291][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9135.960291][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9135.960291][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9135.960291][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9135.960291][ T10] addrconf_dad_begin+0x310/0x670 [ 9135.960291][ T10] addrconf_dad_work+0x10b/0xab0 [ 9135.960291][ T10] process_one_work+0x84d/0x18a0 [ 9135.960291][ T10] worker_thread+0x587/0xd30 [ 9135.960291][ T10] kthread+0x28a/0x350 [ 9135.960291][ T10] ret_from_fork+0x31/0x70 [ 9135.960291][ T10] ret_from_fork_asm+0x1a/0x30 [ 9135.960291][ T10] [ 9135.962217][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9135.962217][ T10] netdev_get_by_index+0x5e/0x80 [ 9135.962217][ T10] fib6_nh_init+0x3d8/0x1580 [ 9135.962217][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9135.962217][ T10] ip6_route_add+0x1c/0x140 [ 9135.962217][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9135.962217][ T10] inet6_addr_add+0x4f8/0xa40 [ 9135.962217][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9135.962217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9135.962217][ T10] netlink_rcv_skb+0x130/0x360 [ 9135.962217][ T10] netlink_unicast+0x449/0x710 [ 9135.962217][ T10] netlink_sendmsg+0x723/0xbe0 [ 9135.962217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9135.962217][ T10] ___sys_sendmsg+0xee/0x170 [ 9135.962217][ T10] __sys_sendmsg+0xcd/0x170 [ 9135.962217][ T10] do_syscall_64+0xc6/0x1e0 [ 9135.962217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9135.962217][ T10] [ 9135.964404][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9135.964404][ T10] netdev_get_by_index+0x5e/0x80 [ 9135.964404][ T10] fib6_nh_init+0x3d8/0x1580 [ 9135.964404][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9135.964404][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9135.964404][ T10] ipv6_add_addr+0x411/0x2000 [ 9135.964404][ T10] inet6_addr_add+0x30e/0xa40 [ 9135.964404][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9135.964404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9135.964404][ T10] netlink_rcv_skb+0x130/0x360 [ 9135.964404][ T10] netlink_unicast+0x449/0x710 [ 9135.964404][ T10] netlink_sendmsg+0x723/0xbe0 [ 9135.964404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9135.964404][ T10] ___sys_sendmsg+0xee/0x170 [ 9135.964404][ T10] __sys_sendmsg+0xcd/0x170 [ 9135.964404][ T10] do_syscall_64+0xc6/0x1e0 [ 9135.964404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9135.964404][ T10] [ 9135.966727][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9135.966727][ T10] netdev_get_by_index+0x5e/0x80 [ 9135.966727][ T10] fib6_nh_init+0x3d8/0x1580 [ 9135.966727][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9135.966727][ T10] ip6_route_add+0x1c/0x140 [ 9135.966727][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9135.966727][ T10] addrconf_add_dev+0xe2/0x170 [ 9135.966727][ T10] inet6_addr_add+0x12f/0xa40 [ 9135.966727][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9135.966727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9135.966727][ T10] netlink_rcv_skb+0x130/0x360 [ 9135.966727][ T10] netlink_unicast+0x449/0x710 [ 9135.966727][ T10] netlink_sendmsg+0x723/0xbe0 [ 9135.966727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9135.966727][ T10] ___sys_sendmsg+0xee/0x170 [ 9135.966727][ T10] __sys_sendmsg+0xcd/0x170 [ 9135.966727][ T10] do_syscall_64+0xc6/0x1e0 [ 9135.966727][ T10] [ 9135.968873][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9135.968873][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9135.968873][ T10] ipv6_find_idev+0x102/0x170 [ 9135.968873][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9135.968873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9135.968873][ T10] netlink_rcv_skb+0x130/0x360 [ 9135.968873][ T10] netlink_unicast+0x449/0x710 [ 9135.968873][ T10] netlink_sendmsg+0x723/0xbe0 [ 9135.968873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9135.968873][ T10] ___sys_sendmsg+0xee/0x170 [ 9135.968873][ T10] __sys_sendmsg+0xcd/0x170 [ 9135.968873][ T10] do_syscall_64+0xc6/0x1e0 [ 9135.968873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9135.968873][ T10] [ 9135.970596][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9135.970596][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9135.970596][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9135.970596][ T10] ipv6_find_idev+0x102/0x170 [ 9135.970596][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9135.970596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9135.970596][ T10] netlink_rcv_skb+0x130/0x360 [ 9135.970596][ T10] netlink_unicast+0x449/0x710 [ 9135.970596][ T10] netlink_sendmsg+0x723/0xbe0 [ 9135.970596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9135.970596][ T10] ___sys_sendmsg+0xee/0x170 [ 9135.970596][ T10] __sys_sendmsg+0xcd/0x170 [ 9135.970596][ T10] do_syscall_64+0xc6/0x1e0 [ 9135.970596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9135.970596][ T10] [ 9135.972530][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9135.972769][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9135.972769][ T10] netdev_get_by_index+0x5e/0x80 [ 9135.972769][ T10] fib6_nh_init+0x3d8/0x1580 [ 9135.972769][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9135.972769][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9135.972769][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9135.972769][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9135.972769][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9135.972769][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9135.972769][ T10] addrconf_dad_begin+0x310/0x670 [ 9135.972769][ T10] addrconf_dad_work+0x10b/0xab0 [ 9135.972769][ T10] process_one_work+0x84d/0x18a0 [ 9135.972769][ T10] worker_thread+0x587/0xd30 [ 9135.972769][ T10] kthread+0x28a/0x350 [ 9135.972769][ T10] ret_from_fork+0x31/0x70 [ 9135.972769][ T10] ret_from_fork_asm+0x1a/0x30 [ 9135.972769][ T10] [ 9135.974993][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9135.974993][ T10] netdev_get_by_index+0x5e/0x80 [ 9135.974993][ T10] fib6_nh_init+0x3d8/0x1580 [ 9135.974993][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9135.974993][ T10] ip6_route_add+0x1c/0x140 [ 9135.974993][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9135.974993][ T10] inet6_addr_add+0x4f8/0xa40 [ 9135.974993][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9135.974993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9135.974993][ T10] netlink_rcv_skb+0x130/0x360 [ 9135.974993][ T10] netlink_unicast+0x449/0x710 [ 9135.974993][ T10] netlink_sendmsg+0x723/0xbe0 [ 9135.974993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9135.974993][ T10] ___sys_sendmsg+0xee/0x170 [ 9135.974993][ T10] __sys_sendmsg+0xcd/0x170 [ 9135.974993][ T10] do_syscall_64+0xc6/0x1e0 [ 9135.974993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9135.974993][ T10] [ 9135.977205][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9135.977205][ T10] netdev_get_by_index+0x5e/0x80 [ 9135.977205][ T10] fib6_nh_init+0x3d8/0x1580 [ 9135.977205][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9135.977205][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9135.977205][ T10] ipv6_add_addr+0x411/0x2000 [ 9135.977205][ T10] inet6_addr_add+0x30e/0xa40 [ 9135.977205][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9135.977205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9135.977205][ T10] netlink_rcv_skb+0x130/0x360 [ 9135.977205][ T10] netlink_unicast+0x449/0x710 [ 9135.977205][ T10] netlink_sendmsg+0x723/0xbe0 [ 9135.977205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9135.977205][ T10] ___sys_sendmsg+0xee/0x170 [ 9135.977205][ T10] __sys_sendmsg+0xcd/0x170 [ 9135.977205][ T10] do_syscall_64+0xc6/0x1e0 [ 9135.977205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9135.977205][ T10] [ 9135.979455][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9135.979455][ T10] netdev_get_by_index+0x5e/0x80 [ 9135.979455][ T10] fib6_nh_init+0x3d8/0x1580 [ 9135.979455][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9135.979455][ T10] ip6_route_add+0x1c/0x140 [ 9135.979455][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9135.979455][ T10] addrconf_add_dev+0xe2/0x170 [ 9135.979455][ T10] inet6_addr_add+0x12f/0xa40 [ 9135.979455][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9135.979455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9135.979455][ T10] netlink_rcv_skb+0x130/0x360 [ 9135.979455][ T10] netlink_unicast+0x449/0x710 [ 9135.979455][ T10] netlink_sendmsg+0x723/0xbe0 [ 9135.979455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9135.979455][ T10] ___sys_sendmsg+0xee/0x170 [ 9135.979455][ T10] __sys_sendmsg+0xcd/0x170 [ 9135.979455][ T10] do_syscall_64+0xc6/0x1e0 [ 9135.979455][ T10] [ 9135.981669][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9135.981669][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9135.981669][ T10] ipv6_find_idev+0x102/0x170 [ 9135.981669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9135.981669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9135.981669][ T10] netlink_rcv_skb+0x130/0x360 [ 9135.981669][ T10] netlink_unicast+0x449/0x710 [ 9135.981669][ T10] netlink_sendmsg+0x723/0xbe0 [ 9135.981669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9135.981669][ T10] ___sys_sendmsg+0xee/0x170 [ 9135.981669][ T10] __sys_sendmsg+0xcd/0x170 [ 9135.981669][ T10] do_syscall_64+0xc6/0x1e0 [ 9135.981669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9135.981669][ T10] [ 9135.983912][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9135.983912][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9135.983912][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9135.983912][ T10] ipv6_find_idev+0x102/0x170 [ 9135.983912][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9135.983912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9135.983912][ T10] netlink_rcv_skb+0x130/0x360 [ 9135.983912][ T10] netlink_unicast+0x449/0x710 [ 9135.983912][ T10] netlink_sendmsg+0x723/0xbe0 [ 9135.983912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9135.983912][ T10] ___sys_sendmsg+0xee/0x170 [ 9135.983912][ T10] __sys_sendmsg+0xcd/0x170 [ 9135.983912][ T10] do_syscall_64+0xc6/0x1e0 [ 9135.983912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9135.983912][ T10] [ 9141.761104][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9141.761603][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9141.761603][ T1167] dst_init+0x84/0x4a0 [ 9141.761603][ T1167] dst_alloc+0x97/0x150 [ 9141.761603][ T1167] ip6_dst_alloc+0x23/0x90 [ 9141.761603][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9141.761603][ T1167] ip6_pol_route+0x56f/0x840 [ 9141.761603][ T1167] fib6_rule_lookup+0x334/0x630 [ 9141.761603][ T1167] ip6_route_output_flags+0x259/0x480 [ 9141.761603][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9141.761603][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9141.761603][ T1167] netlink_rcv_skb+0x130/0x360 [ 9141.761603][ T1167] netlink_unicast+0x449/0x710 [ 9141.761603][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9141.761603][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9141.761603][ T1167] ___sys_sendmsg+0xee/0x170 [ 9141.761603][ T1167] __sys_sendmsg+0xcd/0x170 [ 9141.761603][ T1167] do_syscall_64+0xc6/0x1e0 [ 9141.761603][ T1167] [ 9141.763820][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9141.763820][ T1167] netdev_get_by_index+0x5e/0x80 [ 9141.763820][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9141.763820][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9141.763820][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9141.763820][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9141.763820][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9141.763820][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9141.763820][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9141.763820][ T1167] addrconf_dad_begin+0x310/0x670 [ 9141.763820][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9141.763820][ T1167] process_one_work+0x84d/0x18a0 [ 9141.763820][ T1167] worker_thread+0x587/0xd30 [ 9141.763820][ T1167] kthread+0x28a/0x350 [ 9141.763820][ T1167] ret_from_fork+0x31/0x70 [ 9141.763820][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9141.763820][ T1167] [ 9141.765994][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9141.765994][ T1167] netdev_get_by_index+0x5e/0x80 [ 9141.765994][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9141.765994][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9141.765994][ T1167] ip6_route_add+0x1c/0x140 [ 9141.765994][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9141.765994][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9141.765994][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9141.765994][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9141.765994][ T1167] netlink_rcv_skb+0x130/0x360 [ 9141.765994][ T1167] netlink_unicast+0x449/0x710 [ 9141.765994][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9141.765994][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9141.765994][ T1167] ___sys_sendmsg+0xee/0x170 [ 9141.765994][ T1167] __sys_sendmsg+0xcd/0x170 [ 9141.765994][ T1167] do_syscall_64+0xc6/0x1e0 [ 9141.765994][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9141.765994][ T1167] [ 9141.768248][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9141.768248][ T1167] netdev_get_by_index+0x5e/0x80 [ 9141.768248][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9141.768248][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9141.768248][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9141.768248][ T1167] ipv6_add_addr+0x411/0x2000 [ 9141.768248][ T1167] inet6_addr_add+0x30e/0xa40 [ 9141.768248][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9141.768248][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9141.768248][ T1167] netlink_rcv_skb+0x130/0x360 [ 9141.768248][ T1167] netlink_unicast+0x449/0x710 [ 9141.768248][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9141.768248][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9141.768248][ T1167] ___sys_sendmsg+0xee/0x170 [ 9141.768248][ T1167] __sys_sendmsg+0xcd/0x170 [ 9141.768248][ T1167] do_syscall_64+0xc6/0x1e0 [ 9141.768248][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9141.768248][ T1167] [ 9141.770512][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9141.770512][ T1167] netdev_get_by_index+0x5e/0x80 [ 9141.770512][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9141.770512][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9141.770512][ T1167] ip6_route_add+0x1c/0x140 [ 9141.770512][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9141.770512][ T1167] addrconf_add_dev+0xe2/0x170 [ 9141.770512][ T1167] inet6_addr_add+0x12f/0xa40 [ 9141.770512][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9141.770512][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9141.770512][ T1167] netlink_rcv_skb+0x130/0x360 [ 9141.770512][ T1167] netlink_unicast+0x449/0x710 [ 9141.770512][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9141.770512][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9141.770512][ T1167] ___sys_sendmsg+0xee/0x170 [ 9141.770512][ T1167] __sys_sendmsg+0xcd/0x170 [ 9141.770512][ T1167] do_syscall_64+0xc6/0x1e0 [ 9141.770512][ T1167] [ 9141.772731][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9141.772731][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9141.772731][ T1167] ipv6_find_idev+0x102/0x170 [ 9141.772731][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9141.772731][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9141.772731][ T1167] netlink_rcv_skb+0x130/0x360 [ 9141.772731][ T1167] netlink_unicast+0x449/0x710 [ 9141.772731][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9141.772731][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9141.772731][ T1167] ___sys_sendmsg+0xee/0x170 [ 9141.772731][ T1167] __sys_sendmsg+0xcd/0x170 [ 9141.772731][ T1167] do_syscall_64+0xc6/0x1e0 [ 9141.772731][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9141.772731][ T1167] [ 9141.774467][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9141.774467][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9141.774467][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9141.774467][ T1167] ipv6_find_idev+0x102/0x170 [ 9141.774467][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9141.774467][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9141.774467][ T1167] netlink_rcv_skb+0x130/0x360 [ 9141.774467][ T1167] netlink_unicast+0x449/0x710 [ 9141.774467][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9141.774467][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9141.774467][ T1167] ___sys_sendmsg+0xee/0x170 [ 9141.774467][ T1167] __sys_sendmsg+0xcd/0x170 [ 9141.774467][ T1167] do_syscall_64+0xc6/0x1e0 [ 9141.774467][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9141.774467][ T1167] [ 9146.049176][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9146.049587][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9146.049587][ T10] netdev_get_by_index+0x5e/0x80 [ 9146.049587][ T10] fib6_nh_init+0x3d8/0x1580 [ 9146.049587][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9146.049587][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9146.049587][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9146.049587][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9146.049587][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9146.049587][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9146.049587][ T10] addrconf_dad_begin+0x310/0x670 [ 9146.049587][ T10] addrconf_dad_work+0x10b/0xab0 [ 9146.049587][ T10] process_one_work+0x84d/0x18a0 [ 9146.049587][ T10] worker_thread+0x587/0xd30 [ 9146.049587][ T10] kthread+0x28a/0x350 [ 9146.049587][ T10] ret_from_fork+0x31/0x70 [ 9146.049587][ T10] ret_from_fork_asm+0x1a/0x30 [ 9146.049587][ T10] [ 9146.051521][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9146.051521][ T10] netdev_get_by_index+0x5e/0x80 [ 9146.051521][ T10] fib6_nh_init+0x3d8/0x1580 [ 9146.051521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9146.051521][ T10] ip6_route_add+0x1c/0x140 [ 9146.051521][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9146.051521][ T10] inet6_addr_add+0x4f8/0xa40 [ 9146.051521][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9146.051521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9146.051521][ T10] netlink_rcv_skb+0x130/0x360 [ 9146.051521][ T10] netlink_unicast+0x449/0x710 [ 9146.051521][ T10] netlink_sendmsg+0x723/0xbe0 [ 9146.051521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9146.051521][ T10] ___sys_sendmsg+0xee/0x170 [ 9146.051521][ T10] __sys_sendmsg+0xcd/0x170 [ 9146.051521][ T10] do_syscall_64+0xc6/0x1e0 [ 9146.051521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9146.051521][ T10] [ 9146.053507][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9146.053507][ T10] netdev_get_by_index+0x5e/0x80 [ 9146.053507][ T10] fib6_nh_init+0x3d8/0x1580 [ 9146.053507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9146.053507][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9146.053507][ T10] ipv6_add_addr+0x411/0x2000 [ 9146.053507][ T10] inet6_addr_add+0x30e/0xa40 [ 9146.053507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9146.053507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9146.053507][ T10] netlink_rcv_skb+0x130/0x360 [ 9146.053507][ T10] netlink_unicast+0x449/0x710 [ 9146.053507][ T10] netlink_sendmsg+0x723/0xbe0 [ 9146.053507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9146.053507][ T10] ___sys_sendmsg+0xee/0x170 [ 9146.053507][ T10] __sys_sendmsg+0xcd/0x170 [ 9146.053507][ T10] do_syscall_64+0xc6/0x1e0 [ 9146.053507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9146.053507][ T10] [ 9146.055512][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9146.055512][ T10] netdev_get_by_index+0x5e/0x80 [ 9146.055512][ T10] fib6_nh_init+0x3d8/0x1580 [ 9146.055512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9146.055512][ T10] ip6_route_add+0x1c/0x140 [ 9146.055512][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9146.055512][ T10] addrconf_add_dev+0xe2/0x170 [ 9146.055512][ T10] inet6_addr_add+0x12f/0xa40 [ 9146.055512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9146.055512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9146.055512][ T10] netlink_rcv_skb+0x130/0x360 [ 9146.055512][ T10] netlink_unicast+0x449/0x710 [ 9146.055512][ T10] netlink_sendmsg+0x723/0xbe0 [ 9146.055512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9146.055512][ T10] ___sys_sendmsg+0xee/0x170 [ 9146.055512][ T10] __sys_sendmsg+0xcd/0x170 [ 9146.055512][ T10] do_syscall_64+0xc6/0x1e0 [ 9146.055512][ T10] [ 9146.057478][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9146.057478][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9146.057478][ T10] ipv6_find_idev+0x102/0x170 [ 9146.057478][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9146.057478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9146.057478][ T10] netlink_rcv_skb+0x130/0x360 [ 9146.057478][ T10] netlink_unicast+0x449/0x710 [ 9146.057478][ T10] netlink_sendmsg+0x723/0xbe0 [ 9146.057478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9146.057478][ T10] ___sys_sendmsg+0xee/0x170 [ 9146.057478][ T10] __sys_sendmsg+0xcd/0x170 [ 9146.057478][ T10] do_syscall_64+0xc6/0x1e0 [ 9146.057478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9146.057478][ T10] [ 9146.059013][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9146.059013][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9146.059013][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9146.059013][ T10] ipv6_find_idev+0x102/0x170 [ 9146.059013][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9146.059013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9146.059013][ T10] netlink_rcv_skb+0x130/0x360 [ 9146.059013][ T10] netlink_unicast+0x449/0x710 [ 9146.059013][ T10] netlink_sendmsg+0x723/0xbe0 [ 9146.059013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9146.059013][ T10] ___sys_sendmsg+0xee/0x170 [ 9146.059013][ T10] __sys_sendmsg+0xcd/0x170 [ 9146.059013][ T10] do_syscall_64+0xc6/0x1e0 [ 9146.059013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9146.059013][ T10] [ 9146.060701][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9146.060941][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9146.060941][ T10] netdev_get_by_index+0x5e/0x80 [ 9146.060941][ T10] fib6_nh_init+0x3d8/0x1580 [ 9146.060941][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9146.060941][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9146.060941][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9146.060941][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9146.060941][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9146.060941][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9146.060941][ T10] addrconf_dad_begin+0x310/0x670 [ 9146.060941][ T10] addrconf_dad_work+0x10b/0xab0 [ 9146.060941][ T10] process_one_work+0x84d/0x18a0 [ 9146.060941][ T10] worker_thread+0x587/0xd30 [ 9146.060941][ T10] kthread+0x28a/0x350 [ 9146.060941][ T10] ret_from_fork+0x31/0x70 [ 9146.060941][ T10] ret_from_fork_asm+0x1a/0x30 [ 9146.060941][ T10] [ 9146.062863][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9146.062863][ T10] netdev_get_by_index+0x5e/0x80 [ 9146.062863][ T10] fib6_nh_init+0x3d8/0x1580 [ 9146.062863][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9146.062863][ T10] ip6_route_add+0x1c/0x140 [ 9146.062863][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9146.062863][ T10] inet6_addr_add+0x4f8/0xa40 [ 9146.062863][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9146.062863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9146.062863][ T10] netlink_rcv_skb+0x130/0x360 [ 9146.062863][ T10] netlink_unicast+0x449/0x710 [ 9146.062863][ T10] netlink_sendmsg+0x723/0xbe0 [ 9146.062863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9146.062863][ T10] ___sys_sendmsg+0xee/0x170 [ 9146.062863][ T10] __sys_sendmsg+0xcd/0x170 [ 9146.062863][ T10] do_syscall_64+0xc6/0x1e0 [ 9146.062863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9146.062863][ T10] [ 9146.064861][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9146.064861][ T10] netdev_get_by_index+0x5e/0x80 [ 9146.064861][ T10] fib6_nh_init+0x3d8/0x1580 [ 9146.064861][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9146.064861][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9146.064861][ T10] ipv6_add_addr+0x411/0x2000 [ 9146.064861][ T10] inet6_addr_add+0x30e/0xa40 [ 9146.064861][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9146.064861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9146.064861][ T10] netlink_rcv_skb+0x130/0x360 [ 9146.064861][ T10] netlink_unicast+0x449/0x710 [ 9146.064861][ T10] netlink_sendmsg+0x723/0xbe0 [ 9146.064861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9146.064861][ T10] ___sys_sendmsg+0xee/0x170 [ 9146.064861][ T10] __sys_sendmsg+0xcd/0x170 [ 9146.064861][ T10] do_syscall_64+0xc6/0x1e0 [ 9146.064861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9146.064861][ T10] [ 9146.066857][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9146.066857][ T10] netdev_get_by_index+0x5e/0x80 [ 9146.066857][ T10] fib6_nh_init+0x3d8/0x1580 [ 9146.066857][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9146.066857][ T10] ip6_route_add+0x1c/0x140 [ 9146.066857][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9146.066857][ T10] addrconf_add_dev+0xe2/0x170 [ 9146.066857][ T10] inet6_addr_add+0x12f/0xa40 [ 9146.066857][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9146.066857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9146.066857][ T10] netlink_rcv_skb+0x130/0x360 [ 9146.066857][ T10] netlink_unicast+0x449/0x710 [ 9146.066857][ T10] netlink_sendmsg+0x723/0xbe0 [ 9146.066857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9146.066857][ T10] ___sys_sendmsg+0xee/0x170 [ 9146.066857][ T10] __sys_sendmsg+0xcd/0x170 [ 9146.066857][ T10] do_syscall_64+0xc6/0x1e0 [ 9146.066857][ T10] [ 9146.068813][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9146.068813][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9146.068813][ T10] ipv6_find_idev+0x102/0x170 [ 9146.068813][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9146.068813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9146.068813][ T10] netlink_rcv_skb+0x130/0x360 [ 9146.068813][ T10] netlink_unicast+0x449/0x710 [ 9146.068813][ T10] netlink_sendmsg+0x723/0xbe0 [ 9146.068813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9146.068813][ T10] ___sys_sendmsg+0xee/0x170 [ 9146.068813][ T10] __sys_sendmsg+0xcd/0x170 [ 9146.068813][ T10] do_syscall_64+0xc6/0x1e0 [ 9146.068813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9146.068813][ T10] [ 9146.070351][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9146.070351][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9146.070351][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9146.070351][ T10] ipv6_find_idev+0x102/0x170 [ 9146.070351][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9146.070351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9146.070351][ T10] netlink_rcv_skb+0x130/0x360 [ 9146.070351][ T10] netlink_unicast+0x449/0x710 [ 9146.070351][ T10] netlink_sendmsg+0x723/0xbe0 [ 9146.070351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9146.070351][ T10] ___sys_sendmsg+0xee/0x170 [ 9146.070351][ T10] __sys_sendmsg+0xcd/0x170 [ 9146.070351][ T10] do_syscall_64+0xc6/0x1e0 [ 9146.070351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9146.070351][ T10] [ 9146.072035][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9146.072273][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9146.072273][ T10] netdev_get_by_index+0x5e/0x80 [ 9146.072273][ T10] fib6_nh_init+0x3d8/0x1580 [ 9146.072273][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9146.072273][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9146.072273][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9146.072273][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9146.072273][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9146.072273][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9146.072273][ T10] addrconf_dad_begin+0x310/0x670 [ 9146.072273][ T10] addrconf_dad_work+0x10b/0xab0 [ 9146.072273][ T10] process_one_work+0x84d/0x18a0 [ 9146.072273][ T10] worker_thread+0x587/0xd30 [ 9146.072273][ T10] kthread+0x28a/0x350 [ 9146.072273][ T10] ret_from_fork+0x31/0x70 [ 9146.072273][ T10] ret_from_fork_asm+0x1a/0x30 [ 9146.072273][ T10] [ 9146.074179][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9146.074179][ T10] netdev_get_by_index+0x5e/0x80 [ 9146.074179][ T10] fib6_nh_init+0x3d8/0x1580 [ 9146.074179][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9146.074179][ T10] ip6_route_add+0x1c/0x140 [ 9146.074179][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9146.074179][ T10] inet6_addr_add+0x4f8/0xa40 [ 9146.074179][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9146.074179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9146.074179][ T10] netlink_rcv_skb+0x130/0x360 [ 9146.074179][ T10] netlink_unicast+0x449/0x710 [ 9146.074179][ T10] netlink_sendmsg+0x723/0xbe0 [ 9146.074179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9146.074179][ T10] ___sys_sendmsg+0xee/0x170 [ 9146.074179][ T10] __sys_sendmsg+0xcd/0x170 [ 9146.074179][ T10] do_syscall_64+0xc6/0x1e0 [ 9146.074179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9146.074179][ T10] [ 9146.076871][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9146.076871][ T10] netdev_get_by_index+0x5e/0x80 [ 9146.076871][ T10] fib6_nh_init+0x3d8/0x1580 [ 9146.076871][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9146.076871][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9146.076871][ T10] ipv6_add_addr+0x411/0x2000 [ 9146.076871][ T10] inet6_addr_add+0x30e/0xa40 [ 9146.076871][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9146.076871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9146.076871][ T10] netlink_rcv_skb+0x130/0x360 [ 9146.076871][ T10] netlink_unicast+0x449/0x710 [ 9146.076871][ T10] netlink_sendmsg+0x723/0xbe0 [ 9146.076871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9146.076871][ T10] ___sys_sendmsg+0xee/0x170 [ 9146.076871][ T10] __sys_sendmsg+0xcd/0x170 [ 9146.076871][ T10] do_syscall_64+0xc6/0x1e0 [ 9146.076871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9146.076871][ T10] [ 9146.079159][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9146.079159][ T10] netdev_get_by_index+0x5e/0x80 [ 9146.079159][ T10] fib6_nh_init+0x3d8/0x1580 [ 9146.079159][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9146.079159][ T10] ip6_route_add+0x1c/0x140 [ 9146.079159][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9146.079159][ T10] addrconf_add_dev+0xe2/0x170 [ 9146.079159][ T10] inet6_addr_add+0x12f/0xa40 [ 9146.079159][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9146.079159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9146.079159][ T10] netlink_rcv_skb+0x130/0x360 [ 9146.079159][ T10] netlink_unicast+0x449/0x710 [ 9146.079159][ T10] netlink_sendmsg+0x723/0xbe0 [ 9146.079159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9146.079159][ T10] ___sys_sendmsg+0xee/0x170 [ 9146.079159][ T10] __sys_sendmsg+0xcd/0x170 [ 9146.079159][ T10] do_syscall_64+0xc6/0x1e0 [ 9146.079159][ T10] [ 9146.081357][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9146.081357][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9146.081357][ T10] ipv6_find_idev+0x102/0x170 [ 9146.081357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9146.081357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9146.081357][ T10] netlink_rcv_skb+0x130/0x360 [ 9146.081357][ T10] netlink_unicast+0x449/0x710 [ 9146.081357][ T10] netlink_sendmsg+0x723/0xbe0 [ 9146.081357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9146.081357][ T10] ___sys_sendmsg+0xee/0x170 [ 9146.081357][ T10] __sys_sendmsg+0xcd/0x170 [ 9146.081357][ T10] do_syscall_64+0xc6/0x1e0 [ 9146.081357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9146.081357][ T10] [ 9146.083069][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9146.083069][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9146.083069][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9146.083069][ T10] ipv6_find_idev+0x102/0x170 [ 9146.083069][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9146.083069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9146.083069][ T10] netlink_rcv_skb+0x130/0x360 [ 9146.083069][ T10] netlink_unicast+0x449/0x710 [ 9146.083069][ T10] netlink_sendmsg+0x723/0xbe0 [ 9146.083069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9146.083069][ T10] ___sys_sendmsg+0xee/0x170 [ 9146.083069][ T10] __sys_sendmsg+0xcd/0x170 [ 9146.083069][ T10] do_syscall_64+0xc6/0x1e0 [ 9146.083069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9146.083069][ T10] [ 9146.084925][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9146.085597][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9146.085597][ T10] netdev_get_by_index+0x5e/0x80 [ 9146.085597][ T10] fib6_nh_init+0x3d8/0x1580 [ 9146.085597][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9146.085597][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9146.085597][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9146.085597][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9146.085597][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9146.085597][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9146.085597][ T10] addrconf_dad_begin+0x310/0x670 [ 9146.085597][ T10] addrconf_dad_work+0x10b/0xab0 [ 9146.085597][ T10] process_one_work+0x84d/0x18a0 [ 9146.085597][ T10] worker_thread+0x587/0xd30 [ 9146.085597][ T10] kthread+0x28a/0x350 [ 9146.085597][ T10] ret_from_fork+0x31/0x70 [ 9146.085597][ T10] ret_from_fork_asm+0x1a/0x30 [ 9146.085597][ T10] [ 9146.087521][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9146.087521][ T10] netdev_get_by_index+0x5e/0x80 [ 9146.087521][ T10] fib6_nh_init+0x3d8/0x1580 [ 9146.087521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9146.087521][ T10] ip6_route_add+0x1c/0x140 [ 9146.087521][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9146.087521][ T10] inet6_addr_add+0x4f8/0xa40 [ 9146.087521][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9146.087521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9146.087521][ T10] netlink_rcv_skb+0x130/0x360 [ 9146.087521][ T10] netlink_unicast+0x449/0x710 [ 9146.087521][ T10] netlink_sendmsg+0x723/0xbe0 [ 9146.087521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9146.087521][ T10] ___sys_sendmsg+0xee/0x170 [ 9146.087521][ T10] __sys_sendmsg+0xcd/0x170 [ 9146.087521][ T10] do_syscall_64+0xc6/0x1e0 [ 9146.087521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9146.087521][ T10] [ 9146.089627][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9146.089627][ T10] netdev_get_by_index+0x5e/0x80 [ 9146.089627][ T10] fib6_nh_init+0x3d8/0x1580 [ 9146.089627][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9146.089627][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9146.089627][ T10] ipv6_add_addr+0x411/0x2000 [ 9146.089627][ T10] inet6_addr_add+0x30e/0xa40 [ 9146.089627][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9146.089627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9146.089627][ T10] netlink_rcv_skb+0x130/0x360 [ 9146.089627][ T10] netlink_unicast+0x449/0x710 [ 9146.089627][ T10] netlink_sendmsg+0x723/0xbe0 [ 9146.089627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9146.089627][ T10] ___sys_sendmsg+0xee/0x170 [ 9146.089627][ T10] __sys_sendmsg+0xcd/0x170 [ 9146.089627][ T10] do_syscall_64+0xc6/0x1e0 [ 9146.089627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9146.089627][ T10] [ 9146.091906][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9146.091906][ T10] netdev_get_by_index+0x5e/0x80 [ 9146.091906][ T10] fib6_nh_init+0x3d8/0x1580 [ 9146.091906][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9146.091906][ T10] ip6_route_add+0x1c/0x140 [ 9146.091906][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9146.091906][ T10] addrconf_add_dev+0xe2/0x170 [ 9146.091906][ T10] inet6_addr_add+0x12f/0xa40 [ 9146.091906][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9146.091906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9146.091906][ T10] netlink_rcv_skb+0x130/0x360 [ 9146.091906][ T10] netlink_unicast+0x449/0x710 [ 9146.091906][ T10] netlink_sendmsg+0x723/0xbe0 [ 9146.091906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9146.091906][ T10] ___sys_sendmsg+0xee/0x170 [ 9146.091906][ T10] __sys_sendmsg+0xcd/0x170 [ 9146.091906][ T10] do_syscall_64+0xc6/0x1e0 [ 9146.091906][ T10] [ 9146.094100][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9146.094100][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9146.094100][ T10] ipv6_find_idev+0x102/0x170 [ 9146.094100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9146.094100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9146.094100][ T10] netlink_rcv_skb+0x130/0x360 [ 9146.094100][ T10] netlink_unicast+0x449/0x710 [ 9146.094100][ T10] netlink_sendmsg+0x723/0xbe0 [ 9146.094100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9146.094100][ T10] ___sys_sendmsg+0xee/0x170 [ 9146.094100][ T10] __sys_sendmsg+0xcd/0x170 [ 9146.094100][ T10] do_syscall_64+0xc6/0x1e0 [ 9146.094100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9146.094100][ T10] [ 9146.095750][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9146.095750][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9146.095750][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9146.095750][ T10] ipv6_find_idev+0x102/0x170 [ 9146.095750][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9146.095750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9146.095750][ T10] netlink_rcv_skb+0x130/0x360 [ 9146.095750][ T10] netlink_unicast+0x449/0x710 [ 9146.095750][ T10] netlink_sendmsg+0x723/0xbe0 [ 9146.095750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9146.095750][ T10] ___sys_sendmsg+0xee/0x170 [ 9146.095750][ T10] __sys_sendmsg+0xcd/0x170 [ 9146.095750][ T10] do_syscall_64+0xc6/0x1e0 [ 9146.095750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9146.095750][ T10] [ 9151.937102][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9151.937607][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9151.937607][ T1167] dst_init+0x84/0x4a0 [ 9151.937607][ T1167] dst_alloc+0x97/0x150 [ 9151.937607][ T1167] ip6_dst_alloc+0x23/0x90 [ 9151.937607][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9151.937607][ T1167] ip6_pol_route+0x56f/0x840 [ 9151.937607][ T1167] fib6_rule_lookup+0x334/0x630 [ 9151.937607][ T1167] ip6_route_output_flags+0x259/0x480 [ 9151.937607][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9151.937607][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9151.937607][ T1167] netlink_rcv_skb+0x130/0x360 [ 9151.937607][ T1167] netlink_unicast+0x449/0x710 [ 9151.937607][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9151.937607][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9151.937607][ T1167] ___sys_sendmsg+0xee/0x170 [ 9151.937607][ T1167] __sys_sendmsg+0xcd/0x170 [ 9151.937607][ T1167] do_syscall_64+0xc6/0x1e0 [ 9151.937607][ T1167] [ 9151.939838][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9151.939838][ T1167] netdev_get_by_index+0x5e/0x80 [ 9151.939838][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9151.939838][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9151.939838][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9151.939838][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9151.939838][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9151.939838][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9151.939838][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9151.939838][ T1167] addrconf_dad_begin+0x310/0x670 [ 9151.939838][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9151.939838][ T1167] process_one_work+0x84d/0x18a0 [ 9151.939838][ T1167] worker_thread+0x587/0xd30 [ 9151.939838][ T1167] kthread+0x28a/0x350 [ 9151.939838][ T1167] ret_from_fork+0x31/0x70 [ 9151.939838][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9151.939838][ T1167] [ 9151.941997][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9151.941997][ T1167] netdev_get_by_index+0x5e/0x80 [ 9151.941997][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9151.941997][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9151.941997][ T1167] ip6_route_add+0x1c/0x140 [ 9151.941997][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9151.941997][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9151.941997][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9151.941997][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9151.941997][ T1167] netlink_rcv_skb+0x130/0x360 [ 9151.941997][ T1167] netlink_unicast+0x449/0x710 [ 9151.941997][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9151.941997][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9151.941997][ T1167] ___sys_sendmsg+0xee/0x170 [ 9151.941997][ T1167] __sys_sendmsg+0xcd/0x170 [ 9151.941997][ T1167] do_syscall_64+0xc6/0x1e0 [ 9151.941997][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9151.941997][ T1167] [ 9151.944269][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9151.944269][ T1167] netdev_get_by_index+0x5e/0x80 [ 9151.944269][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9151.944269][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9151.944269][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9151.944269][ T1167] ipv6_add_addr+0x411/0x2000 [ 9151.944269][ T1167] inet6_addr_add+0x30e/0xa40 [ 9151.944269][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9151.944269][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9151.944269][ T1167] netlink_rcv_skb+0x130/0x360 [ 9151.944269][ T1167] netlink_unicast+0x449/0x710 [ 9151.944269][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9151.944269][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9151.944269][ T1167] ___sys_sendmsg+0xee/0x170 [ 9151.944269][ T1167] __sys_sendmsg+0xcd/0x170 [ 9151.944269][ T1167] do_syscall_64+0xc6/0x1e0 [ 9151.944269][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9151.944269][ T1167] [ 9151.946567][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9151.946567][ T1167] netdev_get_by_index+0x5e/0x80 [ 9151.946567][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9151.946567][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9151.946567][ T1167] ip6_route_add+0x1c/0x140 [ 9151.946567][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9151.946567][ T1167] addrconf_add_dev+0xe2/0x170 [ 9151.946567][ T1167] inet6_addr_add+0x12f/0xa40 [ 9151.946567][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9151.946567][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9151.946567][ T1167] netlink_rcv_skb+0x130/0x360 [ 9151.946567][ T1167] netlink_unicast+0x449/0x710 [ 9151.946567][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9151.946567][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9151.946567][ T1167] ___sys_sendmsg+0xee/0x170 [ 9151.946567][ T1167] __sys_sendmsg+0xcd/0x170 [ 9151.946567][ T1167] do_syscall_64+0xc6/0x1e0 [ 9151.946567][ T1167] [ 9151.948820][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9151.948820][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9151.948820][ T1167] ipv6_find_idev+0x102/0x170 [ 9151.948820][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9151.948820][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9151.948820][ T1167] netlink_rcv_skb+0x130/0x360 [ 9151.948820][ T1167] netlink_unicast+0x449/0x710 [ 9151.948820][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9151.948820][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9151.948820][ T1167] ___sys_sendmsg+0xee/0x170 [ 9151.948820][ T1167] __sys_sendmsg+0xcd/0x170 [ 9151.948820][ T1167] do_syscall_64+0xc6/0x1e0 [ 9151.948820][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9151.948820][ T1167] [ 9151.950562][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9151.950562][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9151.950562][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9151.950562][ T1167] ipv6_find_idev+0x102/0x170 [ 9151.950562][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9151.950562][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9151.950562][ T1167] netlink_rcv_skb+0x130/0x360 [ 9151.950562][ T1167] netlink_unicast+0x449/0x710 [ 9151.950562][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9151.950562][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9151.950562][ T1167] ___sys_sendmsg+0xee/0x170 [ 9151.950562][ T1167] __sys_sendmsg+0xcd/0x170 [ 9151.950562][ T1167] do_syscall_64+0xc6/0x1e0 [ 9151.950562][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9151.950562][ T1167] [ 9156.337024][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9156.337462][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9156.337462][ T10] netdev_get_by_index+0x5e/0x80 [ 9156.337462][ T10] fib6_nh_init+0x3d8/0x1580 [ 9156.337462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9156.337462][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9156.337462][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9156.337462][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9156.337462][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9156.337462][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9156.337462][ T10] addrconf_dad_begin+0x310/0x670 [ 9156.337462][ T10] addrconf_dad_work+0x10b/0xab0 [ 9156.337462][ T10] process_one_work+0x84d/0x18a0 [ 9156.337462][ T10] worker_thread+0x587/0xd30 [ 9156.337462][ T10] kthread+0x28a/0x350 [ 9156.337462][ T10] ret_from_fork+0x31/0x70 [ 9156.337462][ T10] ret_from_fork_asm+0x1a/0x30 [ 9156.337462][ T10] [ 9156.339416][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9156.339416][ T10] netdev_get_by_index+0x5e/0x80 [ 9156.339416][ T10] fib6_nh_init+0x3d8/0x1580 [ 9156.339416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9156.339416][ T10] ip6_route_add+0x1c/0x140 [ 9156.339416][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9156.339416][ T10] inet6_addr_add+0x4f8/0xa40 [ 9156.339416][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9156.339416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9156.339416][ T10] netlink_rcv_skb+0x130/0x360 [ 9156.339416][ T10] netlink_unicast+0x449/0x710 [ 9156.339416][ T10] netlink_sendmsg+0x723/0xbe0 [ 9156.339416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9156.339416][ T10] ___sys_sendmsg+0xee/0x170 [ 9156.339416][ T10] __sys_sendmsg+0xcd/0x170 [ 9156.339416][ T10] do_syscall_64+0xc6/0x1e0 [ 9156.339416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9156.339416][ T10] [ 9156.341407][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9156.341407][ T10] netdev_get_by_index+0x5e/0x80 [ 9156.341407][ T10] fib6_nh_init+0x3d8/0x1580 [ 9156.341407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9156.341407][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9156.341407][ T10] ipv6_add_addr+0x411/0x2000 [ 9156.341407][ T10] inet6_addr_add+0x30e/0xa40 [ 9156.341407][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9156.341407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9156.341407][ T10] netlink_rcv_skb+0x130/0x360 [ 9156.341407][ T10] netlink_unicast+0x449/0x710 [ 9156.341407][ T10] netlink_sendmsg+0x723/0xbe0 [ 9156.341407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9156.341407][ T10] ___sys_sendmsg+0xee/0x170 [ 9156.341407][ T10] __sys_sendmsg+0xcd/0x170 [ 9156.341407][ T10] do_syscall_64+0xc6/0x1e0 [ 9156.341407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9156.341407][ T10] [ 9156.343408][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9156.343408][ T10] netdev_get_by_index+0x5e/0x80 [ 9156.343408][ T10] fib6_nh_init+0x3d8/0x1580 [ 9156.343408][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9156.343408][ T10] ip6_route_add+0x1c/0x140 [ 9156.343408][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9156.343408][ T10] addrconf_add_dev+0xe2/0x170 [ 9156.343408][ T10] inet6_addr_add+0x12f/0xa40 [ 9156.343408][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9156.343408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9156.343408][ T10] netlink_rcv_skb+0x130/0x360 [ 9156.343408][ T10] netlink_unicast+0x449/0x710 [ 9156.343408][ T10] netlink_sendmsg+0x723/0xbe0 [ 9156.343408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9156.343408][ T10] ___sys_sendmsg+0xee/0x170 [ 9156.343408][ T10] __sys_sendmsg+0xcd/0x170 [ 9156.343408][ T10] do_syscall_64+0xc6/0x1e0 [ 9156.343408][ T10] [ 9156.345378][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9156.345378][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9156.345378][ T10] ipv6_find_idev+0x102/0x170 [ 9156.345378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9156.345378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9156.345378][ T10] netlink_rcv_skb+0x130/0x360 [ 9156.345378][ T10] netlink_unicast+0x449/0x710 [ 9156.345378][ T10] netlink_sendmsg+0x723/0xbe0 [ 9156.345378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9156.345378][ T10] ___sys_sendmsg+0xee/0x170 [ 9156.345378][ T10] __sys_sendmsg+0xcd/0x170 [ 9156.345378][ T10] do_syscall_64+0xc6/0x1e0 [ 9156.345378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9156.345378][ T10] [ 9156.346909][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9156.346909][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9156.346909][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9156.346909][ T10] ipv6_find_idev+0x102/0x170 [ 9156.346909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9156.346909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9156.346909][ T10] netlink_rcv_skb+0x130/0x360 [ 9156.346909][ T10] netlink_unicast+0x449/0x710 [ 9156.346909][ T10] netlink_sendmsg+0x723/0xbe0 [ 9156.346909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9156.346909][ T10] ___sys_sendmsg+0xee/0x170 [ 9156.346909][ T10] __sys_sendmsg+0xcd/0x170 [ 9156.346909][ T10] do_syscall_64+0xc6/0x1e0 [ 9156.346909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9156.346909][ T10] [ 9156.348592][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9156.348832][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9156.348832][ T10] netdev_get_by_index+0x5e/0x80 [ 9156.348832][ T10] fib6_nh_init+0x3d8/0x1580 [ 9156.348832][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9156.348832][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9156.348832][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9156.348832][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9156.348832][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9156.348832][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9156.348832][ T10] addrconf_dad_begin+0x310/0x670 [ 9156.348832][ T10] addrconf_dad_work+0x10b/0xab0 [ 9156.348832][ T10] process_one_work+0x84d/0x18a0 [ 9156.348832][ T10] worker_thread+0x587/0xd30 [ 9156.348832][ T10] kthread+0x28a/0x350 [ 9156.348832][ T10] ret_from_fork+0x31/0x70 [ 9156.348832][ T10] ret_from_fork_asm+0x1a/0x30 [ 9156.348832][ T10] [ 9156.350734][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9156.350734][ T10] netdev_get_by_index+0x5e/0x80 [ 9156.350734][ T10] fib6_nh_init+0x3d8/0x1580 [ 9156.350734][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9156.350734][ T10] ip6_route_add+0x1c/0x140 [ 9156.350734][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9156.350734][ T10] inet6_addr_add+0x4f8/0xa40 [ 9156.350734][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9156.350734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9156.350734][ T10] netlink_rcv_skb+0x130/0x360 [ 9156.350734][ T10] netlink_unicast+0x449/0x710 [ 9156.350734][ T10] netlink_sendmsg+0x723/0xbe0 [ 9156.350734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9156.350734][ T10] ___sys_sendmsg+0xee/0x170 [ 9156.350734][ T10] __sys_sendmsg+0xcd/0x170 [ 9156.350734][ T10] do_syscall_64+0xc6/0x1e0 [ 9156.350734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9156.350734][ T10] [ 9156.352729][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9156.352729][ T10] netdev_get_by_index+0x5e/0x80 [ 9156.352729][ T10] fib6_nh_init+0x3d8/0x1580 [ 9156.352729][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9156.352729][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9156.352729][ T10] ipv6_add_addr+0x411/0x2000 [ 9156.352729][ T10] inet6_addr_add+0x30e/0xa40 [ 9156.352729][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9156.352729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9156.352729][ T10] netlink_rcv_skb+0x130/0x360 [ 9156.352729][ T10] netlink_unicast+0x449/0x710 [ 9156.352729][ T10] netlink_sendmsg+0x723/0xbe0 [ 9156.352729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9156.352729][ T10] ___sys_sendmsg+0xee/0x170 [ 9156.352729][ T10] __sys_sendmsg+0xcd/0x170 [ 9156.352729][ T10] do_syscall_64+0xc6/0x1e0 [ 9156.352729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9156.352729][ T10] [ 9156.354716][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9156.354716][ T10] netdev_get_by_index+0x5e/0x80 [ 9156.354716][ T10] fib6_nh_init+0x3d8/0x1580 [ 9156.354716][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9156.354716][ T10] ip6_route_add+0x1c/0x140 [ 9156.354716][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9156.354716][ T10] addrconf_add_dev+0xe2/0x170 [ 9156.354716][ T10] inet6_addr_add+0x12f/0xa40 [ 9156.354716][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9156.354716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9156.354716][ T10] netlink_rcv_skb+0x130/0x360 [ 9156.354716][ T10] netlink_unicast+0x449/0x710 [ 9156.354716][ T10] netlink_sendmsg+0x723/0xbe0 [ 9156.354716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9156.354716][ T10] ___sys_sendmsg+0xee/0x170 [ 9156.354716][ T10] __sys_sendmsg+0xcd/0x170 [ 9156.354716][ T10] do_syscall_64+0xc6/0x1e0 [ 9156.354716][ T10] [ 9156.356680][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9156.356680][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9156.356680][ T10] ipv6_find_idev+0x102/0x170 [ 9156.356680][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9156.356680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9156.356680][ T10] netlink_rcv_skb+0x130/0x360 [ 9156.356680][ T10] netlink_unicast+0x449/0x710 [ 9156.356680][ T10] netlink_sendmsg+0x723/0xbe0 [ 9156.356680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9156.356680][ T10] ___sys_sendmsg+0xee/0x170 [ 9156.356680][ T10] __sys_sendmsg+0xcd/0x170 [ 9156.356680][ T10] do_syscall_64+0xc6/0x1e0 [ 9156.356680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9156.356680][ T10] [ 9156.358207][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9156.358207][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9156.358207][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9156.358207][ T10] ipv6_find_idev+0x102/0x170 [ 9156.358207][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9156.358207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9156.358207][ T10] netlink_rcv_skb+0x130/0x360 [ 9156.358207][ T10] netlink_unicast+0x449/0x710 [ 9156.358207][ T10] netlink_sendmsg+0x723/0xbe0 [ 9156.358207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9156.358207][ T10] ___sys_sendmsg+0xee/0x170 [ 9156.358207][ T10] __sys_sendmsg+0xcd/0x170 [ 9156.358207][ T10] do_syscall_64+0xc6/0x1e0 [ 9156.358207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9156.358207][ T10] [ 9156.359883][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9156.360137][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9156.360137][ T10] netdev_get_by_index+0x5e/0x80 [ 9156.360137][ T10] fib6_nh_init+0x3d8/0x1580 [ 9156.360137][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9156.360137][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9156.360137][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9156.360137][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9156.360137][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9156.360137][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9156.360137][ T10] addrconf_dad_begin+0x310/0x670 [ 9156.360137][ T10] addrconf_dad_work+0x10b/0xab0 [ 9156.360137][ T10] process_one_work+0x84d/0x18a0 [ 9156.360137][ T10] worker_thread+0x587/0xd30 [ 9156.360137][ T10] kthread+0x28a/0x350 [ 9156.360137][ T10] ret_from_fork+0x31/0x70 [ 9156.360137][ T10] ret_from_fork_asm+0x1a/0x30 [ 9156.360137][ T10] [ 9156.362039][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9156.362039][ T10] netdev_get_by_index+0x5e/0x80 [ 9156.362039][ T10] fib6_nh_init+0x3d8/0x1580 [ 9156.362039][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9156.362039][ T10] ip6_route_add+0x1c/0x140 [ 9156.362039][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9156.362039][ T10] inet6_addr_add+0x4f8/0xa40 [ 9156.362039][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9156.362039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9156.362039][ T10] netlink_rcv_skb+0x130/0x360 [ 9156.362039][ T10] netlink_unicast+0x449/0x710 [ 9156.362039][ T10] netlink_sendmsg+0x723/0xbe0 [ 9156.362039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9156.362039][ T10] ___sys_sendmsg+0xee/0x170 [ 9156.362039][ T10] __sys_sendmsg+0xcd/0x170 [ 9156.362039][ T10] do_syscall_64+0xc6/0x1e0 [ 9156.362039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9156.362039][ T10] [ 9156.364157][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9156.364157][ T10] netdev_get_by_index+0x5e/0x80 [ 9156.364157][ T10] fib6_nh_init+0x3d8/0x1580 [ 9156.364157][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9156.364157][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9156.364157][ T10] ipv6_add_addr+0x411/0x2000 [ 9156.364157][ T10] inet6_addr_add+0x30e/0xa40 [ 9156.364157][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9156.364157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9156.364157][ T10] netlink_rcv_skb+0x130/0x360 [ 9156.364157][ T10] netlink_unicast+0x449/0x710 [ 9156.364157][ T10] netlink_sendmsg+0x723/0xbe0 [ 9156.364157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9156.364157][ T10] ___sys_sendmsg+0xee/0x170 [ 9156.364157][ T10] __sys_sendmsg+0xcd/0x170 [ 9156.364157][ T10] do_syscall_64+0xc6/0x1e0 [ 9156.364157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9156.364157][ T10] [ 9156.366293][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9156.366293][ T10] netdev_get_by_index+0x5e/0x80 [ 9156.366293][ T10] fib6_nh_init+0x3d8/0x1580 [ 9156.366293][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9156.366293][ T10] ip6_route_add+0x1c/0x140 [ 9156.366293][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9156.366293][ T10] addrconf_add_dev+0xe2/0x170 [ 9156.366293][ T10] inet6_addr_add+0x12f/0xa40 [ 9156.366293][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9156.366293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9156.366293][ T10] netlink_rcv_skb+0x130/0x360 [ 9156.366293][ T10] netlink_unicast+0x449/0x710 [ 9156.366293][ T10] netlink_sendmsg+0x723/0xbe0 [ 9156.366293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9156.366293][ T10] ___sys_sendmsg+0xee/0x170 [ 9156.366293][ T10] __sys_sendmsg+0xcd/0x170 [ 9156.366293][ T10] do_syscall_64+0xc6/0x1e0 [ 9156.366293][ T10] [ 9156.368394][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9156.368394][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9156.368394][ T10] ipv6_find_idev+0x102/0x170 [ 9156.368394][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9156.368394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9156.368394][ T10] netlink_rcv_skb+0x130/0x360 [ 9156.368394][ T10] netlink_unicast+0x449/0x710 [ 9156.368394][ T10] netlink_sendmsg+0x723/0xbe0 [ 9156.368394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9156.368394][ T10] ___sys_sendmsg+0xee/0x170 [ 9156.368394][ T10] __sys_sendmsg+0xcd/0x170 [ 9156.368394][ T10] do_syscall_64+0xc6/0x1e0 [ 9156.368394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9156.368394][ T10] [ 9156.370050][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9156.370050][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9156.370050][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9156.370050][ T10] ipv6_find_idev+0x102/0x170 [ 9156.370050][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9156.370050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9156.370050][ T10] netlink_rcv_skb+0x130/0x360 [ 9156.370050][ T10] netlink_unicast+0x449/0x710 [ 9156.370050][ T10] netlink_sendmsg+0x723/0xbe0 [ 9156.370050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9156.370050][ T10] ___sys_sendmsg+0xee/0x170 [ 9156.370050][ T10] __sys_sendmsg+0xcd/0x170 [ 9156.370050][ T10] do_syscall_64+0xc6/0x1e0 [ 9156.370050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9156.370050][ T10] [ 9156.371792][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9156.372030][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9156.372030][ T10] netdev_get_by_index+0x5e/0x80 [ 9156.372030][ T10] fib6_nh_init+0x3d8/0x1580 [ 9156.372030][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9156.372030][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9156.372030][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9156.372030][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9156.372030][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9156.372030][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9156.372030][ T10] addrconf_dad_begin+0x310/0x670 [ 9156.372030][ T10] addrconf_dad_work+0x10b/0xab0 [ 9156.372030][ T10] process_one_work+0x84d/0x18a0 [ 9156.372030][ T10] worker_thread+0x587/0xd30 [ 9156.372030][ T10] kthread+0x28a/0x350 [ 9156.372030][ T10] ret_from_fork+0x31/0x70 [ 9156.372030][ T10] ret_from_fork_asm+0x1a/0x30 [ 9156.372030][ T10] [ 9156.374060][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9156.374060][ T10] netdev_get_by_index+0x5e/0x80 [ 9156.374060][ T10] fib6_nh_init+0x3d8/0x1580 [ 9156.374060][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9156.374060][ T10] ip6_route_add+0x1c/0x140 [ 9156.374060][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9156.374060][ T10] inet6_addr_add+0x4f8/0xa40 [ 9156.374060][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9156.374060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9156.374060][ T10] netlink_rcv_skb+0x130/0x360 [ 9156.374060][ T10] netlink_unicast+0x449/0x710 [ 9156.374060][ T10] netlink_sendmsg+0x723/0xbe0 [ 9156.374060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9156.374060][ T10] ___sys_sendmsg+0xee/0x170 [ 9156.374060][ T10] __sys_sendmsg+0xcd/0x170 [ 9156.374060][ T10] do_syscall_64+0xc6/0x1e0 [ 9156.374060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9156.374060][ T10] [ 9156.376178][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9156.376178][ T10] netdev_get_by_index+0x5e/0x80 [ 9156.376178][ T10] fib6_nh_init+0x3d8/0x1580 [ 9156.376178][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9156.376178][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9156.376178][ T10] ipv6_add_addr+0x411/0x2000 [ 9156.376178][ T10] inet6_addr_add+0x30e/0xa40 [ 9156.376178][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9156.376178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9156.376178][ T10] netlink_rcv_skb+0x130/0x360 [ 9156.376178][ T10] netlink_unicast+0x449/0x710 [ 9156.376178][ T10] netlink_sendmsg+0x723/0xbe0 [ 9156.376178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9156.376178][ T10] ___sys_sendmsg+0xee/0x170 [ 9156.376178][ T10] __sys_sendmsg+0xcd/0x170 [ 9156.376178][ T10] do_syscall_64+0xc6/0x1e0 [ 9156.376178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9156.376178][ T10] [ 9156.378303][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9156.378303][ T10] netdev_get_by_index+0x5e/0x80 [ 9156.378303][ T10] fib6_nh_init+0x3d8/0x1580 [ 9156.378303][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9156.378303][ T10] ip6_route_add+0x1c/0x140 [ 9156.378303][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9156.378303][ T10] addrconf_add_dev+0xe2/0x170 [ 9156.378303][ T10] inet6_addr_add+0x12f/0xa40 [ 9156.378303][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9156.378303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9156.378303][ T10] netlink_rcv_skb+0x130/0x360 [ 9156.378303][ T10] netlink_unicast+0x449/0x710 [ 9156.378303][ T10] netlink_sendmsg+0x723/0xbe0 [ 9156.378303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9156.378303][ T10] ___sys_sendmsg+0xee/0x170 [ 9156.378303][ T10] __sys_sendmsg+0xcd/0x170 [ 9156.378303][ T10] do_syscall_64+0xc6/0x1e0 [ 9156.378303][ T10] [ 9156.380382][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9156.380382][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9156.380382][ T10] ipv6_find_idev+0x102/0x170 [ 9156.380382][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9156.380382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9156.380382][ T10] netlink_rcv_skb+0x130/0x360 [ 9156.380382][ T10] netlink_unicast+0x449/0x710 [ 9156.380382][ T10] netlink_sendmsg+0x723/0xbe0 [ 9156.380382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9156.380382][ T10] ___sys_sendmsg+0xee/0x170 [ 9156.380382][ T10] __sys_sendmsg+0xcd/0x170 [ 9156.380382][ T10] do_syscall_64+0xc6/0x1e0 [ 9156.380382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9156.380382][ T10] [ 9156.381975][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9156.381975][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9156.381975][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9156.381975][ T10] ipv6_find_idev+0x102/0x170 [ 9156.381975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9156.381975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9156.381975][ T10] netlink_rcv_skb+0x130/0x360 [ 9156.381975][ T10] netlink_unicast+0x449/0x710 [ 9156.381975][ T10] netlink_sendmsg+0x723/0xbe0 [ 9156.381975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9156.381975][ T10] ___sys_sendmsg+0xee/0x170 [ 9156.381975][ T10] __sys_sendmsg+0xcd/0x170 [ 9156.381975][ T10] do_syscall_64+0xc6/0x1e0 [ 9156.381975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9156.381975][ T10] [ 9162.193107][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9162.193596][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9162.193596][ T1167] dst_init+0x84/0x4a0 [ 9162.193596][ T1167] dst_alloc+0x97/0x150 [ 9162.193596][ T1167] ip6_dst_alloc+0x23/0x90 [ 9162.193596][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9162.193596][ T1167] ip6_pol_route+0x56f/0x840 [ 9162.193596][ T1167] fib6_rule_lookup+0x334/0x630 [ 9162.193596][ T1167] ip6_route_output_flags+0x259/0x480 [ 9162.193596][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9162.193596][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9162.193596][ T1167] netlink_rcv_skb+0x130/0x360 [ 9162.193596][ T1167] netlink_unicast+0x449/0x710 [ 9162.193596][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9162.193596][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9162.193596][ T1167] ___sys_sendmsg+0xee/0x170 [ 9162.193596][ T1167] __sys_sendmsg+0xcd/0x170 [ 9162.193596][ T1167] do_syscall_64+0xc6/0x1e0 [ 9162.193596][ T1167] [ 9162.195840][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9162.195840][ T1167] netdev_get_by_index+0x5e/0x80 [ 9162.195840][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9162.195840][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9162.195840][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9162.195840][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9162.195840][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9162.195840][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9162.195840][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9162.195840][ T1167] addrconf_dad_begin+0x310/0x670 [ 9162.195840][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9162.195840][ T1167] process_one_work+0x84d/0x18a0 [ 9162.195840][ T1167] worker_thread+0x587/0xd30 [ 9162.195840][ T1167] kthread+0x28a/0x350 [ 9162.195840][ T1167] ret_from_fork+0x31/0x70 [ 9162.195840][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9162.195840][ T1167] [ 9162.198002][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9162.198002][ T1167] netdev_get_by_index+0x5e/0x80 [ 9162.198002][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9162.198002][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9162.198002][ T1167] ip6_route_add+0x1c/0x140 [ 9162.198002][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9162.198002][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9162.198002][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9162.198002][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9162.198002][ T1167] netlink_rcv_skb+0x130/0x360 [ 9162.198002][ T1167] netlink_unicast+0x449/0x710 [ 9162.198002][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9162.198002][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9162.198002][ T1167] ___sys_sendmsg+0xee/0x170 [ 9162.198002][ T1167] __sys_sendmsg+0xcd/0x170 [ 9162.198002][ T1167] do_syscall_64+0xc6/0x1e0 [ 9162.198002][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9162.198002][ T1167] [ 9162.200267][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9162.200267][ T1167] netdev_get_by_index+0x5e/0x80 [ 9162.200267][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9162.200267][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9162.200267][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9162.200267][ T1167] ipv6_add_addr+0x411/0x2000 [ 9162.200267][ T1167] inet6_addr_add+0x30e/0xa40 [ 9162.200267][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9162.200267][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9162.200267][ T1167] netlink_rcv_skb+0x130/0x360 [ 9162.200267][ T1167] netlink_unicast+0x449/0x710 [ 9162.200267][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9162.200267][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9162.200267][ T1167] ___sys_sendmsg+0xee/0x170 [ 9162.200267][ T1167] __sys_sendmsg+0xcd/0x170 [ 9162.200267][ T1167] do_syscall_64+0xc6/0x1e0 [ 9162.200267][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9162.200267][ T1167] [ 9162.202524][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9162.202524][ T1167] netdev_get_by_index+0x5e/0x80 [ 9162.202524][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9162.202524][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9162.202524][ T1167] ip6_route_add+0x1c/0x140 [ 9162.202524][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9162.202524][ T1167] addrconf_add_dev+0xe2/0x170 [ 9162.202524][ T1167] inet6_addr_add+0x12f/0xa40 [ 9162.202524][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9162.202524][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9162.202524][ T1167] netlink_rcv_skb+0x130/0x360 [ 9162.202524][ T1167] netlink_unicast+0x449/0x710 [ 9162.202524][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9162.202524][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9162.202524][ T1167] ___sys_sendmsg+0xee/0x170 [ 9162.202524][ T1167] __sys_sendmsg+0xcd/0x170 [ 9162.202524][ T1167] do_syscall_64+0xc6/0x1e0 [ 9162.202524][ T1167] [ 9162.204744][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9162.204744][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9162.204744][ T1167] ipv6_find_idev+0x102/0x170 [ 9162.204744][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9162.204744][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9162.204744][ T1167] netlink_rcv_skb+0x130/0x360 [ 9162.204744][ T1167] netlink_unicast+0x449/0x710 [ 9162.204744][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9162.204744][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9162.204744][ T1167] ___sys_sendmsg+0xee/0x170 [ 9162.204744][ T1167] __sys_sendmsg+0xcd/0x170 [ 9162.204744][ T1167] do_syscall_64+0xc6/0x1e0 [ 9162.204744][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9162.204744][ T1167] [ 9162.206495][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9162.206495][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9162.206495][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9162.206495][ T1167] ipv6_find_idev+0x102/0x170 [ 9162.206495][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9162.206495][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9162.206495][ T1167] netlink_rcv_skb+0x130/0x360 [ 9162.206495][ T1167] netlink_unicast+0x449/0x710 [ 9162.206495][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9162.206495][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9162.206495][ T1167] ___sys_sendmsg+0xee/0x170 [ 9162.206495][ T1167] __sys_sendmsg+0xcd/0x170 [ 9162.206495][ T1167] do_syscall_64+0xc6/0x1e0 [ 9162.206495][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9162.206495][ T1167] [ 9166.625057][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9166.625482][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9166.625482][ T10] netdev_get_by_index+0x5e/0x80 [ 9166.625482][ T10] fib6_nh_init+0x3d8/0x1580 [ 9166.625482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9166.625482][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9166.625482][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9166.625482][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9166.625482][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9166.625482][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9166.625482][ T10] addrconf_dad_begin+0x310/0x670 [ 9166.625482][ T10] addrconf_dad_work+0x10b/0xab0 [ 9166.625482][ T10] process_one_work+0x84d/0x18a0 [ 9166.625482][ T10] worker_thread+0x587/0xd30 [ 9166.625482][ T10] kthread+0x28a/0x350 [ 9166.625482][ T10] ret_from_fork+0x31/0x70 [ 9166.625482][ T10] ret_from_fork_asm+0x1a/0x30 [ 9166.625482][ T10] [ 9166.627409][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9166.627409][ T10] netdev_get_by_index+0x5e/0x80 [ 9166.627409][ T10] fib6_nh_init+0x3d8/0x1580 [ 9166.627409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9166.627409][ T10] ip6_route_add+0x1c/0x140 [ 9166.627409][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9166.627409][ T10] inet6_addr_add+0x4f8/0xa40 [ 9166.627409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9166.627409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9166.627409][ T10] netlink_rcv_skb+0x130/0x360 [ 9166.627409][ T10] netlink_unicast+0x449/0x710 [ 9166.627409][ T10] netlink_sendmsg+0x723/0xbe0 [ 9166.627409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9166.627409][ T10] ___sys_sendmsg+0xee/0x170 [ 9166.627409][ T10] __sys_sendmsg+0xcd/0x170 [ 9166.627409][ T10] do_syscall_64+0xc6/0x1e0 [ 9166.627409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9166.627409][ T10] [ 9166.629404][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9166.629404][ T10] netdev_get_by_index+0x5e/0x80 [ 9166.629404][ T10] fib6_nh_init+0x3d8/0x1580 [ 9166.629404][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9166.629404][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9166.629404][ T10] ipv6_add_addr+0x411/0x2000 [ 9166.629404][ T10] inet6_addr_add+0x30e/0xa40 [ 9166.629404][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9166.629404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9166.629404][ T10] netlink_rcv_skb+0x130/0x360 [ 9166.629404][ T10] netlink_unicast+0x449/0x710 [ 9166.629404][ T10] netlink_sendmsg+0x723/0xbe0 [ 9166.629404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9166.629404][ T10] ___sys_sendmsg+0xee/0x170 [ 9166.629404][ T10] __sys_sendmsg+0xcd/0x170 [ 9166.629404][ T10] do_syscall_64+0xc6/0x1e0 [ 9166.629404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9166.629404][ T10] [ 9166.631396][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9166.631396][ T10] netdev_get_by_index+0x5e/0x80 [ 9166.631396][ T10] fib6_nh_init+0x3d8/0x1580 [ 9166.631396][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9166.631396][ T10] ip6_route_add+0x1c/0x140 [ 9166.631396][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9166.631396][ T10] addrconf_add_dev+0xe2/0x170 [ 9166.631396][ T10] inet6_addr_add+0x12f/0xa40 [ 9166.631396][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9166.631396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9166.631396][ T10] netlink_rcv_skb+0x130/0x360 [ 9166.631396][ T10] netlink_unicast+0x449/0x710 [ 9166.631396][ T10] netlink_sendmsg+0x723/0xbe0 [ 9166.631396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9166.631396][ T10] ___sys_sendmsg+0xee/0x170 [ 9166.631396][ T10] __sys_sendmsg+0xcd/0x170 [ 9166.631396][ T10] do_syscall_64+0xc6/0x1e0 [ 9166.631396][ T10] [ 9166.633354][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9166.633354][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9166.633354][ T10] ipv6_find_idev+0x102/0x170 [ 9166.633354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9166.633354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9166.633354][ T10] netlink_rcv_skb+0x130/0x360 [ 9166.633354][ T10] netlink_unicast+0x449/0x710 [ 9166.633354][ T10] netlink_sendmsg+0x723/0xbe0 [ 9166.633354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9166.633354][ T10] ___sys_sendmsg+0xee/0x170 [ 9166.633354][ T10] __sys_sendmsg+0xcd/0x170 [ 9166.633354][ T10] do_syscall_64+0xc6/0x1e0 [ 9166.633354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9166.633354][ T10] [ 9166.634884][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9166.634884][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9166.634884][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9166.634884][ T10] ipv6_find_idev+0x102/0x170 [ 9166.634884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9166.634884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9166.634884][ T10] netlink_rcv_skb+0x130/0x360 [ 9166.634884][ T10] netlink_unicast+0x449/0x710 [ 9166.634884][ T10] netlink_sendmsg+0x723/0xbe0 [ 9166.634884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9166.634884][ T10] ___sys_sendmsg+0xee/0x170 [ 9166.634884][ T10] __sys_sendmsg+0xcd/0x170 [ 9166.634884][ T10] do_syscall_64+0xc6/0x1e0 [ 9166.634884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9166.634884][ T10] [ 9166.636583][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9166.636819][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9166.636819][ T10] netdev_get_by_index+0x5e/0x80 [ 9166.636819][ T10] fib6_nh_init+0x3d8/0x1580 [ 9166.636819][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9166.636819][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9166.636819][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9166.636819][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9166.636819][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9166.636819][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9166.636819][ T10] addrconf_dad_begin+0x310/0x670 [ 9166.636819][ T10] addrconf_dad_work+0x10b/0xab0 [ 9166.636819][ T10] process_one_work+0x84d/0x18a0 [ 9166.636819][ T10] worker_thread+0x587/0xd30 [ 9166.636819][ T10] kthread+0x28a/0x350 [ 9166.636819][ T10] ret_from_fork+0x31/0x70 [ 9166.636819][ T10] ret_from_fork_asm+0x1a/0x30 [ 9166.636819][ T10] [ 9166.638724][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9166.638724][ T10] netdev_get_by_index+0x5e/0x80 [ 9166.638724][ T10] fib6_nh_init+0x3d8/0x1580 [ 9166.638724][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9166.638724][ T10] ip6_route_add+0x1c/0x140 [ 9166.638724][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9166.638724][ T10] inet6_addr_add+0x4f8/0xa40 [ 9166.638724][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9166.638724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9166.638724][ T10] netlink_rcv_skb+0x130/0x360 [ 9166.638724][ T10] netlink_unicast+0x449/0x710 [ 9166.638724][ T10] netlink_sendmsg+0x723/0xbe0 [ 9166.638724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9166.638724][ T10] ___sys_sendmsg+0xee/0x170 [ 9166.638724][ T10] __sys_sendmsg+0xcd/0x170 [ 9166.638724][ T10] do_syscall_64+0xc6/0x1e0 [ 9166.638724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9166.638724][ T10] [ 9166.640715][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9166.640715][ T10] netdev_get_by_index+0x5e/0x80 [ 9166.640715][ T10] fib6_nh_init+0x3d8/0x1580 [ 9166.640715][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9166.640715][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9166.640715][ T10] ipv6_add_addr+0x411/0x2000 [ 9166.640715][ T10] inet6_addr_add+0x30e/0xa40 [ 9166.640715][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9166.640715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9166.640715][ T10] netlink_rcv_skb+0x130/0x360 [ 9166.640715][ T10] netlink_unicast+0x449/0x710 [ 9166.640715][ T10] netlink_sendmsg+0x723/0xbe0 [ 9166.640715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9166.640715][ T10] ___sys_sendmsg+0xee/0x170 [ 9166.640715][ T10] __sys_sendmsg+0xcd/0x170 [ 9166.640715][ T10] do_syscall_64+0xc6/0x1e0 [ 9166.640715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9166.640715][ T10] [ 9166.642704][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9166.642704][ T10] netdev_get_by_index+0x5e/0x80 [ 9166.642704][ T10] fib6_nh_init+0x3d8/0x1580 [ 9166.642704][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9166.642704][ T10] ip6_route_add+0x1c/0x140 [ 9166.642704][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9166.642704][ T10] addrconf_add_dev+0xe2/0x170 [ 9166.642704][ T10] inet6_addr_add+0x12f/0xa40 [ 9166.642704][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9166.642704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9166.642704][ T10] netlink_rcv_skb+0x130/0x360 [ 9166.642704][ T10] netlink_unicast+0x449/0x710 [ 9166.642704][ T10] netlink_sendmsg+0x723/0xbe0 [ 9166.642704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9166.642704][ T10] ___sys_sendmsg+0xee/0x170 [ 9166.642704][ T10] __sys_sendmsg+0xcd/0x170 [ 9166.642704][ T10] do_syscall_64+0xc6/0x1e0 [ 9166.642704][ T10] [ 9166.644655][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9166.644655][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9166.644655][ T10] ipv6_find_idev+0x102/0x170 [ 9166.644655][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9166.644655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9166.644655][ T10] netlink_rcv_skb+0x130/0x360 [ 9166.644655][ T10] netlink_unicast+0x449/0x710 [ 9166.644655][ T10] netlink_sendmsg+0x723/0xbe0 [ 9166.644655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9166.644655][ T10] ___sys_sendmsg+0xee/0x170 [ 9166.644655][ T10] __sys_sendmsg+0xcd/0x170 [ 9166.644655][ T10] do_syscall_64+0xc6/0x1e0 [ 9166.644655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9166.644655][ T10] [ 9166.646200][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9166.646200][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9166.646200][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9166.646200][ T10] ipv6_find_idev+0x102/0x170 [ 9166.646200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9166.646200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9166.646200][ T10] netlink_rcv_skb+0x130/0x360 [ 9166.646200][ T10] netlink_unicast+0x449/0x710 [ 9166.646200][ T10] netlink_sendmsg+0x723/0xbe0 [ 9166.646200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9166.646200][ T10] ___sys_sendmsg+0xee/0x170 [ 9166.646200][ T10] __sys_sendmsg+0xcd/0x170 [ 9166.646200][ T10] do_syscall_64+0xc6/0x1e0 [ 9166.646200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9166.646200][ T10] [ 9166.647875][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9166.648123][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9166.648123][ T10] netdev_get_by_index+0x5e/0x80 [ 9166.648123][ T10] fib6_nh_init+0x3d8/0x1580 [ 9166.648123][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9166.648123][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9166.648123][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9166.648123][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9166.648123][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9166.648123][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9166.648123][ T10] addrconf_dad_begin+0x310/0x670 [ 9166.648123][ T10] addrconf_dad_work+0x10b/0xab0 [ 9166.648123][ T10] process_one_work+0x84d/0x18a0 [ 9166.648123][ T10] worker_thread+0x587/0xd30 [ 9166.648123][ T10] kthread+0x28a/0x350 [ 9166.648123][ T10] ret_from_fork+0x31/0x70 [ 9166.648123][ T10] ret_from_fork_asm+0x1a/0x30 [ 9166.648123][ T10] [ 9166.650023][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9166.650023][ T10] netdev_get_by_index+0x5e/0x80 [ 9166.650023][ T10] fib6_nh_init+0x3d8/0x1580 [ 9166.650023][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9166.650023][ T10] ip6_route_add+0x1c/0x140 [ 9166.650023][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9166.650023][ T10] inet6_addr_add+0x4f8/0xa40 [ 9166.650023][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9166.650023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9166.650023][ T10] netlink_rcv_skb+0x130/0x360 [ 9166.650023][ T10] netlink_unicast+0x449/0x710 [ 9166.650023][ T10] netlink_sendmsg+0x723/0xbe0 [ 9166.650023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9166.650023][ T10] ___sys_sendmsg+0xee/0x170 [ 9166.650023][ T10] __sys_sendmsg+0xcd/0x170 [ 9166.650023][ T10] do_syscall_64+0xc6/0x1e0 [ 9166.650023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9166.650023][ T10] [ 9166.652082][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9166.652082][ T10] netdev_get_by_index+0x5e/0x80 [ 9166.652082][ T10] fib6_nh_init+0x3d8/0x1580 [ 9166.652082][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9166.652082][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9166.652082][ T10] ipv6_add_addr+0x411/0x2000 [ 9166.652082][ T10] inet6_addr_add+0x30e/0xa40 [ 9166.652082][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9166.652082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9166.652082][ T10] netlink_rcv_skb+0x130/0x360 [ 9166.652082][ T10] netlink_unicast+0x449/0x710 [ 9166.652082][ T10] netlink_sendmsg+0x723/0xbe0 [ 9166.652082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9166.652082][ T10] ___sys_sendmsg+0xee/0x170 [ 9166.652082][ T10] __sys_sendmsg+0xcd/0x170 [ 9166.652082][ T10] do_syscall_64+0xc6/0x1e0 [ 9166.652082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9166.652082][ T10] [ 9166.654195][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9166.654195][ T10] netdev_get_by_index+0x5e/0x80 [ 9166.654195][ T10] fib6_nh_init+0x3d8/0x1580 [ 9166.654195][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9166.654195][ T10] ip6_route_add+0x1c/0x140 [ 9166.654195][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9166.654195][ T10] addrconf_add_dev+0xe2/0x170 [ 9166.654195][ T10] inet6_addr_add+0x12f/0xa40 [ 9166.654195][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9166.654195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9166.654195][ T10] netlink_rcv_skb+0x130/0x360 [ 9166.654195][ T10] netlink_unicast+0x449/0x710 [ 9166.654195][ T10] netlink_sendmsg+0x723/0xbe0 [ 9166.654195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9166.654195][ T10] ___sys_sendmsg+0xee/0x170 [ 9166.654195][ T10] __sys_sendmsg+0xcd/0x170 [ 9166.654195][ T10] do_syscall_64+0xc6/0x1e0 [ 9166.654195][ T10] [ 9166.656223][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9166.656223][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9166.656223][ T10] ipv6_find_idev+0x102/0x170 [ 9166.656223][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9166.656223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9166.656223][ T10] netlink_rcv_skb+0x130/0x360 [ 9166.656223][ T10] netlink_unicast+0x449/0x710 [ 9166.656223][ T10] netlink_sendmsg+0x723/0xbe0 [ 9166.656223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9166.656223][ T10] ___sys_sendmsg+0xee/0x170 [ 9166.656223][ T10] __sys_sendmsg+0xcd/0x170 [ 9166.656223][ T10] do_syscall_64+0xc6/0x1e0 [ 9166.656223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9166.656223][ T10] [ 9166.657820][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9166.657820][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9166.657820][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9166.657820][ T10] ipv6_find_idev+0x102/0x170 [ 9166.657820][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9166.657820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9166.657820][ T10] netlink_rcv_skb+0x130/0x360 [ 9166.657820][ T10] netlink_unicast+0x449/0x710 [ 9166.657820][ T10] netlink_sendmsg+0x723/0xbe0 [ 9166.657820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9166.657820][ T10] ___sys_sendmsg+0xee/0x170 [ 9166.657820][ T10] __sys_sendmsg+0xcd/0x170 [ 9166.657820][ T10] do_syscall_64+0xc6/0x1e0 [ 9166.657820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9166.657820][ T10] [ 9166.659564][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9166.659797][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9166.659797][ T10] netdev_get_by_index+0x5e/0x80 [ 9166.659797][ T10] fib6_nh_init+0x3d8/0x1580 [ 9166.659797][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9166.659797][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9166.659797][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9166.659797][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9166.659797][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9166.659797][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9166.659797][ T10] addrconf_dad_begin+0x310/0x670 [ 9166.659797][ T10] addrconf_dad_work+0x10b/0xab0 [ 9166.659797][ T10] process_one_work+0x84d/0x18a0 [ 9166.659797][ T10] worker_thread+0x587/0xd30 [ 9166.659797][ T10] kthread+0x28a/0x350 [ 9166.659797][ T10] ret_from_fork+0x31/0x70 [ 9166.659797][ T10] ret_from_fork_asm+0x1a/0x30 [ 9166.659797][ T10] [ 9166.661763][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9166.661763][ T10] netdev_get_by_index+0x5e/0x80 [ 9166.661763][ T10] fib6_nh_init+0x3d8/0x1580 [ 9166.661763][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9166.661763][ T10] ip6_route_add+0x1c/0x140 [ 9166.661763][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9166.661763][ T10] inet6_addr_add+0x4f8/0xa40 [ 9166.661763][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9166.661763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9166.661763][ T10] netlink_rcv_skb+0x130/0x360 [ 9166.661763][ T10] netlink_unicast+0x449/0x710 [ 9166.661763][ T10] netlink_sendmsg+0x723/0xbe0 [ 9166.661763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9166.661763][ T10] ___sys_sendmsg+0xee/0x170 [ 9166.661763][ T10] __sys_sendmsg+0xcd/0x170 [ 9166.661763][ T10] do_syscall_64+0xc6/0x1e0 [ 9166.661763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9166.661763][ T10] [ 9166.663878][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9166.663878][ T10] netdev_get_by_index+0x5e/0x80 [ 9166.663878][ T10] fib6_nh_init+0x3d8/0x1580 [ 9166.663878][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9166.663878][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9166.663878][ T10] ipv6_add_addr+0x411/0x2000 [ 9166.663878][ T10] inet6_addr_add+0x30e/0xa40 [ 9166.663878][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9166.663878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9166.663878][ T10] netlink_rcv_skb+0x130/0x360 [ 9166.663878][ T10] netlink_unicast+0x449/0x710 [ 9166.663878][ T10] netlink_sendmsg+0x723/0xbe0 [ 9166.663878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9166.663878][ T10] ___sys_sendmsg+0xee/0x170 [ 9166.663878][ T10] __sys_sendmsg+0xcd/0x170 [ 9166.663878][ T10] do_syscall_64+0xc6/0x1e0 [ 9166.663878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9166.663878][ T10] [ 9166.665937][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9166.665937][ T10] netdev_get_by_index+0x5e/0x80 [ 9166.665937][ T10] fib6_nh_init+0x3d8/0x1580 [ 9166.665937][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9166.665937][ T10] ip6_route_add+0x1c/0x140 [ 9166.665937][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9166.665937][ T10] addrconf_add_dev+0xe2/0x170 [ 9166.665937][ T10] inet6_addr_add+0x12f/0xa40 [ 9166.665937][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9166.665937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9166.665937][ T10] netlink_rcv_skb+0x130/0x360 [ 9166.665937][ T10] netlink_unicast+0x449/0x710 [ 9166.665937][ T10] netlink_sendmsg+0x723/0xbe0 [ 9166.665937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9166.665937][ T10] ___sys_sendmsg+0xee/0x170 [ 9166.665937][ T10] __sys_sendmsg+0xcd/0x170 [ 9166.665937][ T10] do_syscall_64+0xc6/0x1e0 [ 9166.665937][ T10] [ 9166.667971][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9166.667971][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9166.667971][ T10] ipv6_find_idev+0x102/0x170 [ 9166.667971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9166.667971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9166.667971][ T10] netlink_rcv_skb+0x130/0x360 [ 9166.667971][ T10] netlink_unicast+0x449/0x710 [ 9166.667971][ T10] netlink_sendmsg+0x723/0xbe0 [ 9166.667971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9166.667971][ T10] ___sys_sendmsg+0xee/0x170 [ 9166.667971][ T10] __sys_sendmsg+0xcd/0x170 [ 9166.667971][ T10] do_syscall_64+0xc6/0x1e0 [ 9166.667971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9166.667971][ T10] [ 9166.669584][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9166.669584][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9166.669584][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9166.669584][ T10] ipv6_find_idev+0x102/0x170 [ 9166.669584][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9166.669584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9166.669584][ T10] netlink_rcv_skb+0x130/0x360 [ 9166.669584][ T10] netlink_unicast+0x449/0x710 [ 9166.669584][ T10] netlink_sendmsg+0x723/0xbe0 [ 9166.669584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9166.669584][ T10] ___sys_sendmsg+0xee/0x170 [ 9166.669584][ T10] __sys_sendmsg+0xcd/0x170 [ 9166.669584][ T10] do_syscall_64+0xc6/0x1e0 [ 9166.669584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9166.669584][ T10] [ 9172.233117][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9172.233611][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9172.233611][ T1167] dst_init+0x84/0x4a0 [ 9172.233611][ T1167] dst_alloc+0x97/0x150 [ 9172.233611][ T1167] ip6_dst_alloc+0x23/0x90 [ 9172.233611][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9172.233611][ T1167] ip6_pol_route+0x56f/0x840 [ 9172.233611][ T1167] fib6_rule_lookup+0x334/0x630 [ 9172.233611][ T1167] ip6_route_output_flags+0x259/0x480 [ 9172.233611][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9172.233611][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9172.233611][ T1167] netlink_rcv_skb+0x130/0x360 [ 9172.233611][ T1167] netlink_unicast+0x449/0x710 [ 9172.233611][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9172.233611][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9172.233611][ T1167] ___sys_sendmsg+0xee/0x170 [ 9172.233611][ T1167] __sys_sendmsg+0xcd/0x170 [ 9172.233611][ T1167] do_syscall_64+0xc6/0x1e0 [ 9172.233611][ T1167] [ 9172.235854][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9172.235854][ T1167] netdev_get_by_index+0x5e/0x80 [ 9172.235854][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9172.235854][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9172.235854][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9172.235854][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9172.235854][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9172.235854][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9172.235854][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9172.235854][ T1167] addrconf_dad_begin+0x310/0x670 [ 9172.235854][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9172.235854][ T1167] process_one_work+0x84d/0x18a0 [ 9172.235854][ T1167] worker_thread+0x587/0xd30 [ 9172.235854][ T1167] kthread+0x28a/0x350 [ 9172.235854][ T1167] ret_from_fork+0x31/0x70 [ 9172.235854][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9172.235854][ T1167] [ 9172.238019][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9172.238019][ T1167] netdev_get_by_index+0x5e/0x80 [ 9172.238019][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9172.238019][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9172.238019][ T1167] ip6_route_add+0x1c/0x140 [ 9172.238019][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9172.238019][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9172.238019][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9172.238019][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9172.238019][ T1167] netlink_rcv_skb+0x130/0x360 [ 9172.238019][ T1167] netlink_unicast+0x449/0x710 [ 9172.238019][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9172.238019][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9172.238019][ T1167] ___sys_sendmsg+0xee/0x170 [ 9172.238019][ T1167] __sys_sendmsg+0xcd/0x170 [ 9172.238019][ T1167] do_syscall_64+0xc6/0x1e0 [ 9172.238019][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9172.238019][ T1167] [ 9172.240291][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9172.240291][ T1167] netdev_get_by_index+0x5e/0x80 [ 9172.240291][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9172.240291][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9172.240291][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9172.240291][ T1167] ipv6_add_addr+0x411/0x2000 [ 9172.240291][ T1167] inet6_addr_add+0x30e/0xa40 [ 9172.240291][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9172.240291][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9172.240291][ T1167] netlink_rcv_skb+0x130/0x360 [ 9172.240291][ T1167] netlink_unicast+0x449/0x710 [ 9172.240291][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9172.240291][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9172.240291][ T1167] ___sys_sendmsg+0xee/0x170 [ 9172.240291][ T1167] __sys_sendmsg+0xcd/0x170 [ 9172.240291][ T1167] do_syscall_64+0xc6/0x1e0 [ 9172.240291][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9172.240291][ T1167] [ 9172.242558][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9172.242558][ T1167] netdev_get_by_index+0x5e/0x80 [ 9172.242558][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9172.242558][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9172.242558][ T1167] ip6_route_add+0x1c/0x140 [ 9172.242558][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9172.242558][ T1167] addrconf_add_dev+0xe2/0x170 [ 9172.242558][ T1167] inet6_addr_add+0x12f/0xa40 [ 9172.242558][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9172.242558][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9172.242558][ T1167] netlink_rcv_skb+0x130/0x360 [ 9172.242558][ T1167] netlink_unicast+0x449/0x710 [ 9172.242558][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9172.242558][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9172.242558][ T1167] ___sys_sendmsg+0xee/0x170 [ 9172.242558][ T1167] __sys_sendmsg+0xcd/0x170 [ 9172.242558][ T1167] do_syscall_64+0xc6/0x1e0 [ 9172.242558][ T1167] [ 9172.244778][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9172.244778][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9172.244778][ T1167] ipv6_find_idev+0x102/0x170 [ 9172.244778][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9172.244778][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9172.244778][ T1167] netlink_rcv_skb+0x130/0x360 [ 9172.244778][ T1167] netlink_unicast+0x449/0x710 [ 9172.244778][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9172.244778][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9172.244778][ T1167] ___sys_sendmsg+0xee/0x170 [ 9172.244778][ T1167] __sys_sendmsg+0xcd/0x170 [ 9172.244778][ T1167] do_syscall_64+0xc6/0x1e0 [ 9172.244778][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9172.244778][ T1167] [ 9172.246528][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9172.246528][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9172.246528][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9172.246528][ T1167] ipv6_find_idev+0x102/0x170 [ 9172.246528][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9172.246528][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9172.246528][ T1167] netlink_rcv_skb+0x130/0x360 [ 9172.246528][ T1167] netlink_unicast+0x449/0x710 [ 9172.246528][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9172.246528][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9172.246528][ T1167] ___sys_sendmsg+0xee/0x170 [ 9172.246528][ T1167] __sys_sendmsg+0xcd/0x170 [ 9172.246528][ T1167] do_syscall_64+0xc6/0x1e0 [ 9172.246528][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9172.246528][ T1167] [ 9176.913100][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9176.913518][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9176.913518][ T10] netdev_get_by_index+0x5e/0x80 [ 9176.913518][ T10] fib6_nh_init+0x3d8/0x1580 [ 9176.913518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9176.913518][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9176.913518][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9176.913518][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9176.913518][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9176.913518][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9176.913518][ T10] addrconf_dad_begin+0x310/0x670 [ 9176.913518][ T10] addrconf_dad_work+0x10b/0xab0 [ 9176.913518][ T10] process_one_work+0x84d/0x18a0 [ 9176.913518][ T10] worker_thread+0x587/0xd30 [ 9176.913518][ T10] kthread+0x28a/0x350 [ 9176.913518][ T10] ret_from_fork+0x31/0x70 [ 9176.913518][ T10] ret_from_fork_asm+0x1a/0x30 [ 9176.913518][ T10] [ 9176.915500][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9176.915500][ T10] netdev_get_by_index+0x5e/0x80 [ 9176.915500][ T10] fib6_nh_init+0x3d8/0x1580 [ 9176.915500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9176.915500][ T10] ip6_route_add+0x1c/0x140 [ 9176.915500][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9176.915500][ T10] inet6_addr_add+0x4f8/0xa40 [ 9176.915500][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9176.915500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9176.915500][ T10] netlink_rcv_skb+0x130/0x360 [ 9176.915500][ T10] netlink_unicast+0x449/0x710 [ 9176.915500][ T10] netlink_sendmsg+0x723/0xbe0 [ 9176.915500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9176.915500][ T10] ___sys_sendmsg+0xee/0x170 [ 9176.915500][ T10] __sys_sendmsg+0xcd/0x170 [ 9176.915500][ T10] do_syscall_64+0xc6/0x1e0 [ 9176.915500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9176.915500][ T10] [ 9176.917503][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9176.917503][ T10] netdev_get_by_index+0x5e/0x80 [ 9176.917503][ T10] fib6_nh_init+0x3d8/0x1580 [ 9176.917503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9176.917503][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9176.917503][ T10] ipv6_add_addr+0x411/0x2000 [ 9176.917503][ T10] inet6_addr_add+0x30e/0xa40 [ 9176.917503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9176.917503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9176.917503][ T10] netlink_rcv_skb+0x130/0x360 [ 9176.917503][ T10] netlink_unicast+0x449/0x710 [ 9176.917503][ T10] netlink_sendmsg+0x723/0xbe0 [ 9176.917503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9176.917503][ T10] ___sys_sendmsg+0xee/0x170 [ 9176.917503][ T10] __sys_sendmsg+0xcd/0x170 [ 9176.917503][ T10] do_syscall_64+0xc6/0x1e0 [ 9176.917503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9176.917503][ T10] [ 9176.919500][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9176.919500][ T10] netdev_get_by_index+0x5e/0x80 [ 9176.919500][ T10] fib6_nh_init+0x3d8/0x1580 [ 9176.919500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9176.919500][ T10] ip6_route_add+0x1c/0x140 [ 9176.919500][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9176.919500][ T10] addrconf_add_dev+0xe2/0x170 [ 9176.919500][ T10] inet6_addr_add+0x12f/0xa40 [ 9176.919500][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9176.919500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9176.919500][ T10] netlink_rcv_skb+0x130/0x360 [ 9176.919500][ T10] netlink_unicast+0x449/0x710 [ 9176.919500][ T10] netlink_sendmsg+0x723/0xbe0 [ 9176.919500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9176.919500][ T10] ___sys_sendmsg+0xee/0x170 [ 9176.919500][ T10] __sys_sendmsg+0xcd/0x170 [ 9176.919500][ T10] do_syscall_64+0xc6/0x1e0 [ 9176.919500][ T10] [ 9176.921482][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9176.921482][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9176.921482][ T10] ipv6_find_idev+0x102/0x170 [ 9176.921482][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9176.921482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9176.921482][ T10] netlink_rcv_skb+0x130/0x360 [ 9176.921482][ T10] netlink_unicast+0x449/0x710 [ 9176.921482][ T10] netlink_sendmsg+0x723/0xbe0 [ 9176.921482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9176.921482][ T10] ___sys_sendmsg+0xee/0x170 [ 9176.921482][ T10] __sys_sendmsg+0xcd/0x170 [ 9176.921482][ T10] do_syscall_64+0xc6/0x1e0 [ 9176.921482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9176.921482][ T10] [ 9176.923036][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9176.923036][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9176.923036][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9176.923036][ T10] ipv6_find_idev+0x102/0x170 [ 9176.923036][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9176.923036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9176.923036][ T10] netlink_rcv_skb+0x130/0x360 [ 9176.923036][ T10] netlink_unicast+0x449/0x710 [ 9176.923036][ T10] netlink_sendmsg+0x723/0xbe0 [ 9176.923036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9176.923036][ T10] ___sys_sendmsg+0xee/0x170 [ 9176.923036][ T10] __sys_sendmsg+0xcd/0x170 [ 9176.923036][ T10] do_syscall_64+0xc6/0x1e0 [ 9176.923036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9176.923036][ T10] [ 9176.924739][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9176.924982][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9176.924982][ T10] netdev_get_by_index+0x5e/0x80 [ 9176.924982][ T10] fib6_nh_init+0x3d8/0x1580 [ 9176.924982][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9176.924982][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9176.924982][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9176.924982][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9176.924982][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9176.924982][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9176.924982][ T10] addrconf_dad_begin+0x310/0x670 [ 9176.924982][ T10] addrconf_dad_work+0x10b/0xab0 [ 9176.924982][ T10] process_one_work+0x84d/0x18a0 [ 9176.924982][ T10] worker_thread+0x587/0xd30 [ 9176.924982][ T10] kthread+0x28a/0x350 [ 9176.924982][ T10] ret_from_fork+0x31/0x70 [ 9176.924982][ T10] ret_from_fork_asm+0x1a/0x30 [ 9176.924982][ T10] [ 9176.926906][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9176.926906][ T10] netdev_get_by_index+0x5e/0x80 [ 9176.926906][ T10] fib6_nh_init+0x3d8/0x1580 [ 9176.926906][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9176.926906][ T10] ip6_route_add+0x1c/0x140 [ 9176.926906][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9176.926906][ T10] inet6_addr_add+0x4f8/0xa40 [ 9176.926906][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9176.926906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9176.926906][ T10] netlink_rcv_skb+0x130/0x360 [ 9176.926906][ T10] netlink_unicast+0x449/0x710 [ 9176.926906][ T10] netlink_sendmsg+0x723/0xbe0 [ 9176.926906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9176.926906][ T10] ___sys_sendmsg+0xee/0x170 [ 9176.926906][ T10] __sys_sendmsg+0xcd/0x170 [ 9176.926906][ T10] do_syscall_64+0xc6/0x1e0 [ 9176.926906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9176.926906][ T10] [ 9176.928912][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9176.928912][ T10] netdev_get_by_index+0x5e/0x80 [ 9176.928912][ T10] fib6_nh_init+0x3d8/0x1580 [ 9176.928912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9176.928912][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9176.928912][ T10] ipv6_add_addr+0x411/0x2000 [ 9176.928912][ T10] inet6_addr_add+0x30e/0xa40 [ 9176.928912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9176.928912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9176.928912][ T10] netlink_rcv_skb+0x130/0x360 [ 9176.928912][ T10] netlink_unicast+0x449/0x710 [ 9176.928912][ T10] netlink_sendmsg+0x723/0xbe0 [ 9176.928912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9176.928912][ T10] ___sys_sendmsg+0xee/0x170 [ 9176.928912][ T10] __sys_sendmsg+0xcd/0x170 [ 9176.928912][ T10] do_syscall_64+0xc6/0x1e0 [ 9176.928912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9176.928912][ T10] [ 9176.930919][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9176.930919][ T10] netdev_get_by_index+0x5e/0x80 [ 9176.930919][ T10] fib6_nh_init+0x3d8/0x1580 [ 9176.930919][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9176.930919][ T10] ip6_route_add+0x1c/0x140 [ 9176.930919][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9176.930919][ T10] addrconf_add_dev+0xe2/0x170 [ 9176.930919][ T10] inet6_addr_add+0x12f/0xa40 [ 9176.930919][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9176.930919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9176.930919][ T10] netlink_rcv_skb+0x130/0x360 [ 9176.930919][ T10] netlink_unicast+0x449/0x710 [ 9176.930919][ T10] netlink_sendmsg+0x723/0xbe0 [ 9176.930919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9176.930919][ T10] ___sys_sendmsg+0xee/0x170 [ 9176.930919][ T10] __sys_sendmsg+0xcd/0x170 [ 9176.930919][ T10] do_syscall_64+0xc6/0x1e0 [ 9176.930919][ T10] [ 9176.932888][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9176.932888][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9176.932888][ T10] ipv6_find_idev+0x102/0x170 [ 9176.932888][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9176.932888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9176.932888][ T10] netlink_rcv_skb+0x130/0x360 [ 9176.932888][ T10] netlink_unicast+0x449/0x710 [ 9176.932888][ T10] netlink_sendmsg+0x723/0xbe0 [ 9176.932888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9176.932888][ T10] ___sys_sendmsg+0xee/0x170 [ 9176.932888][ T10] __sys_sendmsg+0xcd/0x170 [ 9176.932888][ T10] do_syscall_64+0xc6/0x1e0 [ 9176.932888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9176.932888][ T10] [ 9176.934435][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9176.934435][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9176.934435][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9176.934435][ T10] ipv6_find_idev+0x102/0x170 [ 9176.934435][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9176.934435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9176.934435][ T10] netlink_rcv_skb+0x130/0x360 [ 9176.934435][ T10] netlink_unicast+0x449/0x710 [ 9176.934435][ T10] netlink_sendmsg+0x723/0xbe0 [ 9176.934435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9176.934435][ T10] ___sys_sendmsg+0xee/0x170 [ 9176.934435][ T10] __sys_sendmsg+0xcd/0x170 [ 9176.934435][ T10] do_syscall_64+0xc6/0x1e0 [ 9176.934435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9176.934435][ T10] [ 9176.936145][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9176.936383][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9176.936383][ T10] netdev_get_by_index+0x5e/0x80 [ 9176.936383][ T10] fib6_nh_init+0x3d8/0x1580 [ 9176.936383][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9176.936383][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9176.936383][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9176.936383][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9176.936383][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9176.936383][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9176.936383][ T10] addrconf_dad_begin+0x310/0x670 [ 9176.936383][ T10] addrconf_dad_work+0x10b/0xab0 [ 9176.936383][ T10] process_one_work+0x84d/0x18a0 [ 9176.936383][ T10] worker_thread+0x587/0xd30 [ 9176.936383][ T10] kthread+0x28a/0x350 [ 9176.936383][ T10] ret_from_fork+0x31/0x70 [ 9176.936383][ T10] ret_from_fork_asm+0x1a/0x30 [ 9176.936383][ T10] [ 9176.938286][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9176.938286][ T10] netdev_get_by_index+0x5e/0x80 [ 9176.938286][ T10] fib6_nh_init+0x3d8/0x1580 [ 9176.938286][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9176.938286][ T10] ip6_route_add+0x1c/0x140 [ 9176.938286][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9176.938286][ T10] inet6_addr_add+0x4f8/0xa40 [ 9176.938286][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9176.938286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9176.938286][ T10] netlink_rcv_skb+0x130/0x360 [ 9176.938286][ T10] netlink_unicast+0x449/0x710 [ 9176.938286][ T10] netlink_sendmsg+0x723/0xbe0 [ 9176.938286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9176.938286][ T10] ___sys_sendmsg+0xee/0x170 [ 9176.938286][ T10] __sys_sendmsg+0xcd/0x170 [ 9176.938286][ T10] do_syscall_64+0xc6/0x1e0 [ 9176.938286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9176.938286][ T10] [ 9176.940470][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9176.940470][ T10] netdev_get_by_index+0x5e/0x80 [ 9176.940470][ T10] fib6_nh_init+0x3d8/0x1580 [ 9176.940470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9176.940470][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9176.940470][ T10] ipv6_add_addr+0x411/0x2000 [ 9176.940470][ T10] inet6_addr_add+0x30e/0xa40 [ 9176.940470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9176.940470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9176.940470][ T10] netlink_rcv_skb+0x130/0x360 [ 9176.940470][ T10] netlink_unicast+0x449/0x710 [ 9176.940470][ T10] netlink_sendmsg+0x723/0xbe0 [ 9176.940470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9176.940470][ T10] ___sys_sendmsg+0xee/0x170 [ 9176.940470][ T10] __sys_sendmsg+0xcd/0x170 [ 9176.940470][ T10] do_syscall_64+0xc6/0x1e0 [ 9176.940470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9176.940470][ T10] [ 9176.942709][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9176.942709][ T10] netdev_get_by_index+0x5e/0x80 [ 9176.942709][ T10] fib6_nh_init+0x3d8/0x1580 [ 9176.942709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9176.942709][ T10] ip6_route_add+0x1c/0x140 [ 9176.942709][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9176.942709][ T10] addrconf_add_dev+0xe2/0x170 [ 9176.942709][ T10] inet6_addr_add+0x12f/0xa40 [ 9176.942709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9176.942709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9176.942709][ T10] netlink_rcv_skb+0x130/0x360 [ 9176.942709][ T10] netlink_unicast+0x449/0x710 [ 9176.942709][ T10] netlink_sendmsg+0x723/0xbe0 [ 9176.942709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9176.942709][ T10] ___sys_sendmsg+0xee/0x170 [ 9176.942709][ T10] __sys_sendmsg+0xcd/0x170 [ 9176.942709][ T10] do_syscall_64+0xc6/0x1e0 [ 9176.942709][ T10] [ 9176.944847][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9176.944847][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9176.944847][ T10] ipv6_find_idev+0x102/0x170 [ 9176.944847][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9176.944847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9176.944847][ T10] netlink_rcv_skb+0x130/0x360 [ 9176.944847][ T10] netlink_unicast+0x449/0x710 [ 9176.944847][ T10] netlink_sendmsg+0x723/0xbe0 [ 9176.944847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9176.944847][ T10] ___sys_sendmsg+0xee/0x170 [ 9176.944847][ T10] __sys_sendmsg+0xcd/0x170 [ 9176.944847][ T10] do_syscall_64+0xc6/0x1e0 [ 9176.944847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9176.944847][ T10] [ 9176.946642][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9176.946642][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9176.946642][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9176.946642][ T10] ipv6_find_idev+0x102/0x170 [ 9176.946642][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9176.946642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9176.946642][ T10] netlink_rcv_skb+0x130/0x360 [ 9176.946642][ T10] netlink_unicast+0x449/0x710 [ 9176.946642][ T10] netlink_sendmsg+0x723/0xbe0 [ 9176.946642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9176.946642][ T10] ___sys_sendmsg+0xee/0x170 [ 9176.946642][ T10] __sys_sendmsg+0xcd/0x170 [ 9176.946642][ T10] do_syscall_64+0xc6/0x1e0 [ 9176.946642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9176.946642][ T10] [ 9176.948571][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9176.948811][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9176.948811][ T10] netdev_get_by_index+0x5e/0x80 [ 9176.948811][ T10] fib6_nh_init+0x3d8/0x1580 [ 9176.948811][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9176.948811][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9176.948811][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9176.948811][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9176.948811][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9176.948811][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9176.948811][ T10] addrconf_dad_begin+0x310/0x670 [ 9176.948811][ T10] addrconf_dad_work+0x10b/0xab0 [ 9176.948811][ T10] process_one_work+0x84d/0x18a0 [ 9176.948811][ T10] worker_thread+0x587/0xd30 [ 9176.948811][ T10] kthread+0x28a/0x350 [ 9176.948811][ T10] ret_from_fork+0x31/0x70 [ 9176.948811][ T10] ret_from_fork_asm+0x1a/0x30 [ 9176.948811][ T10] [ 9176.950961][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9176.950961][ T10] netdev_get_by_index+0x5e/0x80 [ 9176.950961][ T10] fib6_nh_init+0x3d8/0x1580 [ 9176.950961][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9176.950961][ T10] ip6_route_add+0x1c/0x140 [ 9176.950961][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9176.950961][ T10] inet6_addr_add+0x4f8/0xa40 [ 9176.950961][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9176.950961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9176.950961][ T10] netlink_rcv_skb+0x130/0x360 [ 9176.950961][ T10] netlink_unicast+0x449/0x710 [ 9176.950961][ T10] netlink_sendmsg+0x723/0xbe0 [ 9176.950961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9176.950961][ T10] ___sys_sendmsg+0xee/0x170 [ 9176.950961][ T10] __sys_sendmsg+0xcd/0x170 [ 9176.950961][ T10] do_syscall_64+0xc6/0x1e0 [ 9176.950961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9176.950961][ T10] [ 9176.953149][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9176.953149][ T10] netdev_get_by_index+0x5e/0x80 [ 9176.953149][ T10] fib6_nh_init+0x3d8/0x1580 [ 9176.953149][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9176.953149][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9176.953149][ T10] ipv6_add_addr+0x411/0x2000 [ 9176.953149][ T10] inet6_addr_add+0x30e/0xa40 [ 9176.953149][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9176.953149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9176.953149][ T10] netlink_rcv_skb+0x130/0x360 [ 9176.953149][ T10] netlink_unicast+0x449/0x710 [ 9176.953149][ T10] netlink_sendmsg+0x723/0xbe0 [ 9176.953149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9176.953149][ T10] ___sys_sendmsg+0xee/0x170 [ 9176.953149][ T10] __sys_sendmsg+0xcd/0x170 [ 9176.953149][ T10] do_syscall_64+0xc6/0x1e0 [ 9176.953149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9176.953149][ T10] [ 9176.955468][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9176.955468][ T10] netdev_get_by_index+0x5e/0x80 [ 9176.955468][ T10] fib6_nh_init+0x3d8/0x1580 [ 9176.955468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9176.955468][ T10] ip6_route_add+0x1c/0x140 [ 9176.955468][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9176.955468][ T10] addrconf_add_dev+0xe2/0x170 [ 9176.955468][ T10] inet6_addr_add+0x12f/0xa40 [ 9176.955468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9176.955468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9176.955468][ T10] netlink_rcv_skb+0x130/0x360 [ 9176.955468][ T10] netlink_unicast+0x449/0x710 [ 9176.955468][ T10] netlink_sendmsg+0x723/0xbe0 [ 9176.955468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9176.955468][ T10] ___sys_sendmsg+0xee/0x170 [ 9176.955468][ T10] __sys_sendmsg+0xcd/0x170 [ 9176.955468][ T10] do_syscall_64+0xc6/0x1e0 [ 9176.955468][ T10] [ 9176.957678][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9176.957678][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9176.957678][ T10] ipv6_find_idev+0x102/0x170 [ 9176.957678][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9176.957678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9176.957678][ T10] netlink_rcv_skb+0x130/0x360 [ 9176.957678][ T10] netlink_unicast+0x449/0x710 [ 9176.957678][ T10] netlink_sendmsg+0x723/0xbe0 [ 9176.957678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9176.957678][ T10] ___sys_sendmsg+0xee/0x170 [ 9176.957678][ T10] __sys_sendmsg+0xcd/0x170 [ 9176.957678][ T10] do_syscall_64+0xc6/0x1e0 [ 9176.957678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9176.957678][ T10] [ 9176.959913][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9176.959913][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9176.959913][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9176.959913][ T10] ipv6_find_idev+0x102/0x170 [ 9176.959913][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9176.959913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9176.959913][ T10] netlink_rcv_skb+0x130/0x360 [ 9176.959913][ T10] netlink_unicast+0x449/0x710 [ 9176.959913][ T10] netlink_sendmsg+0x723/0xbe0 [ 9176.959913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9176.959913][ T10] ___sys_sendmsg+0xee/0x170 [ 9176.959913][ T10] __sys_sendmsg+0xcd/0x170 [ 9176.959913][ T10] do_syscall_64+0xc6/0x1e0 [ 9176.959913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9176.959913][ T10] [ 9182.465102][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9182.465615][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9182.465615][ T1167] dst_init+0x84/0x4a0 [ 9182.465615][ T1167] dst_alloc+0x97/0x150 [ 9182.465615][ T1167] ip6_dst_alloc+0x23/0x90 [ 9182.465615][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9182.465615][ T1167] ip6_pol_route+0x56f/0x840 [ 9182.465615][ T1167] fib6_rule_lookup+0x334/0x630 [ 9182.465615][ T1167] ip6_route_output_flags+0x259/0x480 [ 9182.465615][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9182.465615][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9182.465615][ T1167] netlink_rcv_skb+0x130/0x360 [ 9182.465615][ T1167] netlink_unicast+0x449/0x710 [ 9182.465615][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9182.465615][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9182.465615][ T1167] ___sys_sendmsg+0xee/0x170 [ 9182.465615][ T1167] __sys_sendmsg+0xcd/0x170 [ 9182.465615][ T1167] do_syscall_64+0xc6/0x1e0 [ 9182.465615][ T1167] [ 9182.467853][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9182.467853][ T1167] netdev_get_by_index+0x5e/0x80 [ 9182.467853][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9182.467853][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9182.467853][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9182.467853][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9182.467853][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9182.467853][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9182.467853][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9182.467853][ T1167] addrconf_dad_begin+0x310/0x670 [ 9182.467853][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9182.467853][ T1167] process_one_work+0x84d/0x18a0 [ 9182.467853][ T1167] worker_thread+0x587/0xd30 [ 9182.467853][ T1167] kthread+0x28a/0x350 [ 9182.467853][ T1167] ret_from_fork+0x31/0x70 [ 9182.467853][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9182.467853][ T1167] [ 9182.470009][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9182.470009][ T1167] netdev_get_by_index+0x5e/0x80 [ 9182.470009][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9182.470009][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9182.470009][ T1167] ip6_route_add+0x1c/0x140 [ 9182.470009][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9182.470009][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9182.470009][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9182.470009][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9182.470009][ T1167] netlink_rcv_skb+0x130/0x360 [ 9182.470009][ T1167] netlink_unicast+0x449/0x710 [ 9182.470009][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9182.470009][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9182.470009][ T1167] ___sys_sendmsg+0xee/0x170 [ 9182.470009][ T1167] __sys_sendmsg+0xcd/0x170 [ 9182.470009][ T1167] do_syscall_64+0xc6/0x1e0 [ 9182.470009][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9182.470009][ T1167] [ 9182.472275][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9182.472275][ T1167] netdev_get_by_index+0x5e/0x80 [ 9182.472275][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9182.472275][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9182.472275][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9182.472275][ T1167] ipv6_add_addr+0x411/0x2000 [ 9182.472275][ T1167] inet6_addr_add+0x30e/0xa40 [ 9182.472275][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9182.472275][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9182.472275][ T1167] netlink_rcv_skb+0x130/0x360 [ 9182.472275][ T1167] netlink_unicast+0x449/0x710 [ 9182.472275][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9182.472275][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9182.472275][ T1167] ___sys_sendmsg+0xee/0x170 [ 9182.472275][ T1167] __sys_sendmsg+0xcd/0x170 [ 9182.472275][ T1167] do_syscall_64+0xc6/0x1e0 [ 9182.472275][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9182.472275][ T1167] [ 9182.474540][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9182.474540][ T1167] netdev_get_by_index+0x5e/0x80 [ 9182.474540][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9182.474540][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9182.474540][ T1167] ip6_route_add+0x1c/0x140 [ 9182.474540][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9182.474540][ T1167] addrconf_add_dev+0xe2/0x170 [ 9182.474540][ T1167] inet6_addr_add+0x12f/0xa40 [ 9182.474540][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9182.474540][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9182.474540][ T1167] netlink_rcv_skb+0x130/0x360 [ 9182.474540][ T1167] netlink_unicast+0x449/0x710 [ 9182.474540][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9182.474540][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9182.474540][ T1167] ___sys_sendmsg+0xee/0x170 [ 9182.474540][ T1167] __sys_sendmsg+0xcd/0x170 [ 9182.474540][ T1167] do_syscall_64+0xc6/0x1e0 [ 9182.474540][ T1167] [ 9182.476770][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9182.476770][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9182.476770][ T1167] ipv6_find_idev+0x102/0x170 [ 9182.476770][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9182.476770][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9182.476770][ T1167] netlink_rcv_skb+0x130/0x360 [ 9182.476770][ T1167] netlink_unicast+0x449/0x710 [ 9182.476770][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9182.476770][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9182.476770][ T1167] ___sys_sendmsg+0xee/0x170 [ 9182.476770][ T1167] __sys_sendmsg+0xcd/0x170 [ 9182.476770][ T1167] do_syscall_64+0xc6/0x1e0 [ 9182.476770][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9182.476770][ T1167] [ 9182.478527][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9182.478527][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9182.478527][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9182.478527][ T1167] ipv6_find_idev+0x102/0x170 [ 9182.478527][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9182.478527][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9182.478527][ T1167] netlink_rcv_skb+0x130/0x360 [ 9182.478527][ T1167] netlink_unicast+0x449/0x710 [ 9182.478527][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9182.478527][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9182.478527][ T1167] ___sys_sendmsg+0xee/0x170 [ 9182.478527][ T1167] __sys_sendmsg+0xcd/0x170 [ 9182.478527][ T1167] do_syscall_64+0xc6/0x1e0 [ 9182.478527][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9182.478527][ T1167] [ 9187.073103][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9187.073503][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9187.073503][ T10] netdev_get_by_index+0x5e/0x80 [ 9187.073503][ T10] fib6_nh_init+0x3d8/0x1580 [ 9187.073503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9187.073503][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9187.073503][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9187.073503][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9187.073503][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9187.073503][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9187.073503][ T10] addrconf_dad_begin+0x310/0x670 [ 9187.073503][ T10] addrconf_dad_work+0x10b/0xab0 [ 9187.073503][ T10] process_one_work+0x84d/0x18a0 [ 9187.073503][ T10] worker_thread+0x587/0xd30 [ 9187.073503][ T10] kthread+0x28a/0x350 [ 9187.073503][ T10] ret_from_fork+0x31/0x70 [ 9187.073503][ T10] ret_from_fork_asm+0x1a/0x30 [ 9187.073503][ T10] [ 9187.075434][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9187.075434][ T10] netdev_get_by_index+0x5e/0x80 [ 9187.075434][ T10] fib6_nh_init+0x3d8/0x1580 [ 9187.075434][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9187.075434][ T10] ip6_route_add+0x1c/0x140 [ 9187.075434][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9187.075434][ T10] inet6_addr_add+0x4f8/0xa40 [ 9187.075434][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9187.075434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9187.075434][ T10] netlink_rcv_skb+0x130/0x360 [ 9187.075434][ T10] netlink_unicast+0x449/0x710 [ 9187.075434][ T10] netlink_sendmsg+0x723/0xbe0 [ 9187.075434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9187.075434][ T10] ___sys_sendmsg+0xee/0x170 [ 9187.075434][ T10] __sys_sendmsg+0xcd/0x170 [ 9187.075434][ T10] do_syscall_64+0xc6/0x1e0 [ 9187.075434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9187.075434][ T10] [ 9187.077427][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9187.077427][ T10] netdev_get_by_index+0x5e/0x80 [ 9187.077427][ T10] fib6_nh_init+0x3d8/0x1580 [ 9187.077427][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9187.077427][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9187.077427][ T10] ipv6_add_addr+0x411/0x2000 [ 9187.077427][ T10] inet6_addr_add+0x30e/0xa40 [ 9187.077427][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9187.077427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9187.077427][ T10] netlink_rcv_skb+0x130/0x360 [ 9187.077427][ T10] netlink_unicast+0x449/0x710 [ 9187.077427][ T10] netlink_sendmsg+0x723/0xbe0 [ 9187.077427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9187.077427][ T10] ___sys_sendmsg+0xee/0x170 [ 9187.077427][ T10] __sys_sendmsg+0xcd/0x170 [ 9187.077427][ T10] do_syscall_64+0xc6/0x1e0 [ 9187.077427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9187.077427][ T10] [ 9187.079403][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9187.079403][ T10] netdev_get_by_index+0x5e/0x80 [ 9187.079403][ T10] fib6_nh_init+0x3d8/0x1580 [ 9187.079403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9187.079403][ T10] ip6_route_add+0x1c/0x140 [ 9187.079403][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9187.079403][ T10] addrconf_add_dev+0xe2/0x170 [ 9187.079403][ T10] inet6_addr_add+0x12f/0xa40 [ 9187.079403][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9187.079403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9187.079403][ T10] netlink_rcv_skb+0x130/0x360 [ 9187.079403][ T10] netlink_unicast+0x449/0x710 [ 9187.079403][ T10] netlink_sendmsg+0x723/0xbe0 [ 9187.079403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9187.079403][ T10] ___sys_sendmsg+0xee/0x170 [ 9187.079403][ T10] __sys_sendmsg+0xcd/0x170 [ 9187.079403][ T10] do_syscall_64+0xc6/0x1e0 [ 9187.079403][ T10] [ 9187.081346][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9187.081346][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9187.081346][ T10] ipv6_find_idev+0x102/0x170 [ 9187.081346][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9187.081346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9187.081346][ T10] netlink_rcv_skb+0x130/0x360 [ 9187.081346][ T10] netlink_unicast+0x449/0x710 [ 9187.081346][ T10] netlink_sendmsg+0x723/0xbe0 [ 9187.081346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9187.081346][ T10] ___sys_sendmsg+0xee/0x170 [ 9187.081346][ T10] __sys_sendmsg+0xcd/0x170 [ 9187.081346][ T10] do_syscall_64+0xc6/0x1e0 [ 9187.081346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9187.081346][ T10] [ 9187.082877][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9187.082877][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9187.082877][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9187.082877][ T10] ipv6_find_idev+0x102/0x170 [ 9187.082877][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9187.082877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9187.082877][ T10] netlink_rcv_skb+0x130/0x360 [ 9187.082877][ T10] netlink_unicast+0x449/0x710 [ 9187.082877][ T10] netlink_sendmsg+0x723/0xbe0 [ 9187.082877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9187.082877][ T10] ___sys_sendmsg+0xee/0x170 [ 9187.082877][ T10] __sys_sendmsg+0xcd/0x170 [ 9187.082877][ T10] do_syscall_64+0xc6/0x1e0 [ 9187.082877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9187.082877][ T10] [ 9187.084537][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9187.084772][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9187.084772][ T10] netdev_get_by_index+0x5e/0x80 [ 9187.084772][ T10] fib6_nh_init+0x3d8/0x1580 [ 9187.084772][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9187.084772][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9187.084772][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9187.084772][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9187.084772][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9187.084772][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9187.084772][ T10] addrconf_dad_begin+0x310/0x670 [ 9187.084772][ T10] addrconf_dad_work+0x10b/0xab0 [ 9187.084772][ T10] process_one_work+0x84d/0x18a0 [ 9187.084772][ T10] worker_thread+0x587/0xd30 [ 9187.084772][ T10] kthread+0x28a/0x350 [ 9187.084772][ T10] ret_from_fork+0x31/0x70 [ 9187.084772][ T10] ret_from_fork_asm+0x1a/0x30 [ 9187.084772][ T10] [ 9187.086669][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9187.086669][ T10] netdev_get_by_index+0x5e/0x80 [ 9187.086669][ T10] fib6_nh_init+0x3d8/0x1580 [ 9187.086669][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9187.086669][ T10] ip6_route_add+0x1c/0x140 [ 9187.086669][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9187.086669][ T10] inet6_addr_add+0x4f8/0xa40 [ 9187.086669][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9187.086669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9187.086669][ T10] netlink_rcv_skb+0x130/0x360 [ 9187.086669][ T10] netlink_unicast+0x449/0x710 [ 9187.086669][ T10] netlink_sendmsg+0x723/0xbe0 [ 9187.086669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9187.086669][ T10] ___sys_sendmsg+0xee/0x170 [ 9187.086669][ T10] __sys_sendmsg+0xcd/0x170 [ 9187.086669][ T10] do_syscall_64+0xc6/0x1e0 [ 9187.086669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9187.086669][ T10] [ 9187.088649][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9187.088649][ T10] netdev_get_by_index+0x5e/0x80 [ 9187.088649][ T10] fib6_nh_init+0x3d8/0x1580 [ 9187.088649][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9187.088649][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9187.088649][ T10] ipv6_add_addr+0x411/0x2000 [ 9187.088649][ T10] inet6_addr_add+0x30e/0xa40 [ 9187.088649][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9187.088649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9187.088649][ T10] netlink_rcv_skb+0x130/0x360 [ 9187.088649][ T10] netlink_unicast+0x449/0x710 [ 9187.088649][ T10] netlink_sendmsg+0x723/0xbe0 [ 9187.088649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9187.088649][ T10] ___sys_sendmsg+0xee/0x170 [ 9187.088649][ T10] __sys_sendmsg+0xcd/0x170 [ 9187.088649][ T10] do_syscall_64+0xc6/0x1e0 [ 9187.088649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9187.088649][ T10] [ 9187.090643][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9187.090643][ T10] netdev_get_by_index+0x5e/0x80 [ 9187.090643][ T10] fib6_nh_init+0x3d8/0x1580 [ 9187.090643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9187.090643][ T10] ip6_route_add+0x1c/0x140 [ 9187.090643][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9187.090643][ T10] addrconf_add_dev+0xe2/0x170 [ 9187.090643][ T10] inet6_addr_add+0x12f/0xa40 [ 9187.090643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9187.090643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9187.090643][ T10] netlink_rcv_skb+0x130/0x360 [ 9187.090643][ T10] netlink_unicast+0x449/0x710 [ 9187.090643][ T10] netlink_sendmsg+0x723/0xbe0 [ 9187.090643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9187.090643][ T10] ___sys_sendmsg+0xee/0x170 [ 9187.090643][ T10] __sys_sendmsg+0xcd/0x170 [ 9187.090643][ T10] do_syscall_64+0xc6/0x1e0 [ 9187.090643][ T10] [ 9187.092595][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9187.092595][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9187.092595][ T10] ipv6_find_idev+0x102/0x170 [ 9187.092595][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9187.092595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9187.092595][ T10] netlink_rcv_skb+0x130/0x360 [ 9187.092595][ T10] netlink_unicast+0x449/0x710 [ 9187.092595][ T10] netlink_sendmsg+0x723/0xbe0 [ 9187.092595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9187.092595][ T10] ___sys_sendmsg+0xee/0x170 [ 9187.092595][ T10] __sys_sendmsg+0xcd/0x170 [ 9187.092595][ T10] do_syscall_64+0xc6/0x1e0 [ 9187.092595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9187.092595][ T10] [ 9187.094125][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9187.094125][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9187.094125][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9187.094125][ T10] ipv6_find_idev+0x102/0x170 [ 9187.094125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9187.094125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9187.094125][ T10] netlink_rcv_skb+0x130/0x360 [ 9187.094125][ T10] netlink_unicast+0x449/0x710 [ 9187.094125][ T10] netlink_sendmsg+0x723/0xbe0 [ 9187.094125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9187.094125][ T10] ___sys_sendmsg+0xee/0x170 [ 9187.094125][ T10] __sys_sendmsg+0xcd/0x170 [ 9187.094125][ T10] do_syscall_64+0xc6/0x1e0 [ 9187.094125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9187.094125][ T10] [ 9187.095811][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9187.096055][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9187.096055][ T10] netdev_get_by_index+0x5e/0x80 [ 9187.096055][ T10] fib6_nh_init+0x3d8/0x1580 [ 9187.096055][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9187.096055][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9187.096055][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9187.096055][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9187.096055][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9187.096055][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9187.096055][ T10] addrconf_dad_begin+0x310/0x670 [ 9187.096055][ T10] addrconf_dad_work+0x10b/0xab0 [ 9187.096055][ T10] process_one_work+0x84d/0x18a0 [ 9187.096055][ T10] worker_thread+0x587/0xd30 [ 9187.096055][ T10] kthread+0x28a/0x350 [ 9187.096055][ T10] ret_from_fork+0x31/0x70 [ 9187.096055][ T10] ret_from_fork_asm+0x1a/0x30 [ 9187.096055][ T10] [ 9187.097954][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9187.097954][ T10] netdev_get_by_index+0x5e/0x80 [ 9187.097954][ T10] fib6_nh_init+0x3d8/0x1580 [ 9187.097954][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9187.097954][ T10] ip6_route_add+0x1c/0x140 [ 9187.097954][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9187.097954][ T10] inet6_addr_add+0x4f8/0xa40 [ 9187.097954][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9187.097954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9187.097954][ T10] netlink_rcv_skb+0x130/0x360 [ 9187.097954][ T10] netlink_unicast+0x449/0x710 [ 9187.097954][ T10] netlink_sendmsg+0x723/0xbe0 [ 9187.097954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9187.097954][ T10] ___sys_sendmsg+0xee/0x170 [ 9187.097954][ T10] __sys_sendmsg+0xcd/0x170 [ 9187.097954][ T10] do_syscall_64+0xc6/0x1e0 [ 9187.097954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9187.097954][ T10] [ 9187.100070][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9187.100070][ T10] netdev_get_by_index+0x5e/0x80 [ 9187.100070][ T10] fib6_nh_init+0x3d8/0x1580 [ 9187.100070][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9187.100070][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9187.100070][ T10] ipv6_add_addr+0x411/0x2000 [ 9187.100070][ T10] inet6_addr_add+0x30e/0xa40 [ 9187.100070][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9187.100070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9187.100070][ T10] netlink_rcv_skb+0x130/0x360 [ 9187.100070][ T10] netlink_unicast+0x449/0x710 [ 9187.100070][ T10] netlink_sendmsg+0x723/0xbe0 [ 9187.100070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9187.100070][ T10] ___sys_sendmsg+0xee/0x170 [ 9187.100070][ T10] __sys_sendmsg+0xcd/0x170 [ 9187.100070][ T10] do_syscall_64+0xc6/0x1e0 [ 9187.100070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9187.100070][ T10] [ 9187.102190][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9187.102190][ T10] netdev_get_by_index+0x5e/0x80 [ 9187.102190][ T10] fib6_nh_init+0x3d8/0x1580 [ 9187.102190][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9187.102190][ T10] ip6_route_add+0x1c/0x140 [ 9187.102190][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9187.102190][ T10] addrconf_add_dev+0xe2/0x170 [ 9187.102190][ T10] inet6_addr_add+0x12f/0xa40 [ 9187.102190][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9187.102190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9187.102190][ T10] netlink_rcv_skb+0x130/0x360 [ 9187.102190][ T10] netlink_unicast+0x449/0x710 [ 9187.102190][ T10] netlink_sendmsg+0x723/0xbe0 [ 9187.102190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9187.102190][ T10] ___sys_sendmsg+0xee/0x170 [ 9187.102190][ T10] __sys_sendmsg+0xcd/0x170 [ 9187.102190][ T10] do_syscall_64+0xc6/0x1e0 [ 9187.102190][ T10] [ 9187.104274][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9187.104274][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9187.104274][ T10] ipv6_find_idev+0x102/0x170 [ 9187.104274][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9187.104274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9187.104274][ T10] netlink_rcv_skb+0x130/0x360 [ 9187.104274][ T10] netlink_unicast+0x449/0x710 [ 9187.104274][ T10] netlink_sendmsg+0x723/0xbe0 [ 9187.104274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9187.104274][ T10] ___sys_sendmsg+0xee/0x170 [ 9187.104274][ T10] __sys_sendmsg+0xcd/0x170 [ 9187.104274][ T10] do_syscall_64+0xc6/0x1e0 [ 9187.104274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9187.104274][ T10] [ 9187.105876][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9187.105876][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9187.105876][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9187.105876][ T10] ipv6_find_idev+0x102/0x170 [ 9187.105876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9187.105876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9187.105876][ T10] netlink_rcv_skb+0x130/0x360 [ 9187.105876][ T10] netlink_unicast+0x449/0x710 [ 9187.105876][ T10] netlink_sendmsg+0x723/0xbe0 [ 9187.105876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9187.105876][ T10] ___sys_sendmsg+0xee/0x170 [ 9187.105876][ T10] __sys_sendmsg+0xcd/0x170 [ 9187.105876][ T10] do_syscall_64+0xc6/0x1e0 [ 9187.105876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9187.105876][ T10] [ 9187.107674][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9187.107908][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9187.107908][ T10] netdev_get_by_index+0x5e/0x80 [ 9187.107908][ T10] fib6_nh_init+0x3d8/0x1580 [ 9187.107908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9187.107908][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9187.107908][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9187.107908][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9187.107908][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9187.107908][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9187.107908][ T10] addrconf_dad_begin+0x310/0x670 [ 9187.107908][ T10] addrconf_dad_work+0x10b/0xab0 [ 9187.107908][ T10] process_one_work+0x84d/0x18a0 [ 9187.107908][ T10] worker_thread+0x587/0xd30 [ 9187.107908][ T10] kthread+0x28a/0x350 [ 9187.107908][ T10] ret_from_fork+0x31/0x70 [ 9187.107908][ T10] ret_from_fork_asm+0x1a/0x30 [ 9187.107908][ T10] [ 9187.110040][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9187.110040][ T10] netdev_get_by_index+0x5e/0x80 [ 9187.110040][ T10] fib6_nh_init+0x3d8/0x1580 [ 9187.110040][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9187.110040][ T10] ip6_route_add+0x1c/0x140 [ 9187.110040][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9187.110040][ T10] inet6_addr_add+0x4f8/0xa40 [ 9187.110040][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9187.110040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9187.110040][ T10] netlink_rcv_skb+0x130/0x360 [ 9187.110040][ T10] netlink_unicast+0x449/0x710 [ 9187.110040][ T10] netlink_sendmsg+0x723/0xbe0 [ 9187.110040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9187.110040][ T10] ___sys_sendmsg+0xee/0x170 [ 9187.110040][ T10] __sys_sendmsg+0xcd/0x170 [ 9187.110040][ T10] do_syscall_64+0xc6/0x1e0 [ 9187.110040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9187.110040][ T10] [ 9187.112200][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9187.112200][ T10] netdev_get_by_index+0x5e/0x80 [ 9187.112200][ T10] fib6_nh_init+0x3d8/0x1580 [ 9187.112200][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9187.112200][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9187.112200][ T10] ipv6_add_addr+0x411/0x2000 [ 9187.112200][ T10] inet6_addr_add+0x30e/0xa40 [ 9187.112200][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9187.112200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9187.112200][ T10] netlink_rcv_skb+0x130/0x360 [ 9187.112200][ T10] netlink_unicast+0x449/0x710 [ 9187.112200][ T10] netlink_sendmsg+0x723/0xbe0 [ 9187.112200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9187.112200][ T10] ___sys_sendmsg+0xee/0x170 [ 9187.112200][ T10] __sys_sendmsg+0xcd/0x170 [ 9187.112200][ T10] do_syscall_64+0xc6/0x1e0 [ 9187.112200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9187.112200][ T10] [ 9187.114434][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9187.114434][ T10] netdev_get_by_index+0x5e/0x80 [ 9187.114434][ T10] fib6_nh_init+0x3d8/0x1580 [ 9187.114434][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9187.114434][ T10] ip6_route_add+0x1c/0x140 [ 9187.114434][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9187.114434][ T10] addrconf_add_dev+0xe2/0x170 [ 9187.114434][ T10] inet6_addr_add+0x12f/0xa40 [ 9187.114434][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9187.114434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9187.114434][ T10] netlink_rcv_skb+0x130/0x360 [ 9187.114434][ T10] netlink_unicast+0x449/0x710 [ 9187.114434][ T10] netlink_sendmsg+0x723/0xbe0 [ 9187.114434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9187.114434][ T10] ___sys_sendmsg+0xee/0x170 [ 9187.114434][ T10] __sys_sendmsg+0xcd/0x170 [ 9187.114434][ T10] do_syscall_64+0xc6/0x1e0 [ 9187.114434][ T10] [ 9187.116625][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9187.116625][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9187.116625][ T10] ipv6_find_idev+0x102/0x170 [ 9187.116625][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9187.116625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9187.116625][ T10] netlink_rcv_skb+0x130/0x360 [ 9187.116625][ T10] netlink_unicast+0x449/0x710 [ 9187.116625][ T10] netlink_sendmsg+0x723/0xbe0 [ 9187.116625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9187.116625][ T10] ___sys_sendmsg+0xee/0x170 [ 9187.116625][ T10] __sys_sendmsg+0xcd/0x170 [ 9187.116625][ T10] do_syscall_64+0xc6/0x1e0 [ 9187.116625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9187.116625][ T10] [ 9187.118330][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9187.118330][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9187.118330][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9187.118330][ T10] ipv6_find_idev+0x102/0x170 [ 9187.118330][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9187.118330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9187.118330][ T10] netlink_rcv_skb+0x130/0x360 [ 9187.118330][ T10] netlink_unicast+0x449/0x710 [ 9187.118330][ T10] netlink_sendmsg+0x723/0xbe0 [ 9187.118330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9187.118330][ T10] ___sys_sendmsg+0xee/0x170 [ 9187.118330][ T10] __sys_sendmsg+0xcd/0x170 [ 9187.118330][ T10] do_syscall_64+0xc6/0x1e0 [ 9187.118330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9187.118330][ T10] [ 9192.721100][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9192.721598][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9192.721598][ T1167] dst_init+0x84/0x4a0 [ 9192.721598][ T1167] dst_alloc+0x97/0x150 [ 9192.721598][ T1167] ip6_dst_alloc+0x23/0x90 [ 9192.721598][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9192.721598][ T1167] ip6_pol_route+0x56f/0x840 [ 9192.721598][ T1167] fib6_rule_lookup+0x334/0x630 [ 9192.721598][ T1167] ip6_route_output_flags+0x259/0x480 [ 9192.721598][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9192.721598][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9192.721598][ T1167] netlink_rcv_skb+0x130/0x360 [ 9192.721598][ T1167] netlink_unicast+0x449/0x710 [ 9192.721598][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9192.721598][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9192.721598][ T1167] ___sys_sendmsg+0xee/0x170 [ 9192.721598][ T1167] __sys_sendmsg+0xcd/0x170 [ 9192.721598][ T1167] do_syscall_64+0xc6/0x1e0 [ 9192.721598][ T1167] [ 9192.723821][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9192.723821][ T1167] netdev_get_by_index+0x5e/0x80 [ 9192.723821][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9192.723821][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9192.723821][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9192.723821][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9192.723821][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9192.723821][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9192.723821][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9192.723821][ T1167] addrconf_dad_begin+0x310/0x670 [ 9192.723821][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9192.723821][ T1167] process_one_work+0x84d/0x18a0 [ 9192.723821][ T1167] worker_thread+0x587/0xd30 [ 9192.723821][ T1167] kthread+0x28a/0x350 [ 9192.723821][ T1167] ret_from_fork+0x31/0x70 [ 9192.723821][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9192.723821][ T1167] [ 9192.726145][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9192.726145][ T1167] netdev_get_by_index+0x5e/0x80 [ 9192.726145][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9192.726145][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9192.726145][ T1167] ip6_route_add+0x1c/0x140 [ 9192.726145][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9192.726145][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9192.726145][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9192.726145][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9192.726145][ T1167] netlink_rcv_skb+0x130/0x360 [ 9192.726145][ T1167] netlink_unicast+0x449/0x710 [ 9192.726145][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9192.726145][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9192.726145][ T1167] ___sys_sendmsg+0xee/0x170 [ 9192.726145][ T1167] __sys_sendmsg+0xcd/0x170 [ 9192.726145][ T1167] do_syscall_64+0xc6/0x1e0 [ 9192.726145][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9192.726145][ T1167] [ 9192.728769][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9192.728769][ T1167] netdev_get_by_index+0x5e/0x80 [ 9192.728769][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9192.728769][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9192.728769][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9192.728769][ T1167] ipv6_add_addr+0x411/0x2000 [ 9192.728769][ T1167] inet6_addr_add+0x30e/0xa40 [ 9192.728769][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9192.728769][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9192.728769][ T1167] netlink_rcv_skb+0x130/0x360 [ 9192.728769][ T1167] netlink_unicast+0x449/0x710 [ 9192.728769][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9192.728769][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9192.728769][ T1167] ___sys_sendmsg+0xee/0x170 [ 9192.728769][ T1167] __sys_sendmsg+0xcd/0x170 [ 9192.728769][ T1167] do_syscall_64+0xc6/0x1e0 [ 9192.728769][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9192.728769][ T1167] [ 9192.731419][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9192.731419][ T1167] netdev_get_by_index+0x5e/0x80 [ 9192.731419][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9192.731419][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9192.731419][ T1167] ip6_route_add+0x1c/0x140 [ 9192.731419][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9192.731419][ T1167] addrconf_add_dev+0xe2/0x170 [ 9192.731419][ T1167] inet6_addr_add+0x12f/0xa40 [ 9192.731419][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9192.731419][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9192.731419][ T1167] netlink_rcv_skb+0x130/0x360 [ 9192.731419][ T1167] netlink_unicast+0x449/0x710 [ 9192.731419][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9192.731419][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9192.731419][ T1167] ___sys_sendmsg+0xee/0x170 [ 9192.731419][ T1167] __sys_sendmsg+0xcd/0x170 [ 9192.731419][ T1167] do_syscall_64+0xc6/0x1e0 [ 9192.731419][ T1167] [ 9192.734103][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9192.734103][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9192.734103][ T1167] ipv6_find_idev+0x102/0x170 [ 9192.734103][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9192.734103][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9192.734103][ T1167] netlink_rcv_skb+0x130/0x360 [ 9192.734103][ T1167] netlink_unicast+0x449/0x710 [ 9192.734103][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9192.734103][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9192.734103][ T1167] ___sys_sendmsg+0xee/0x170 [ 9192.734103][ T1167] __sys_sendmsg+0xcd/0x170 [ 9192.734103][ T1167] do_syscall_64+0xc6/0x1e0 [ 9192.734103][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9192.734103][ T1167] [ 9192.736138][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9192.736138][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9192.736138][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9192.736138][ T1167] ipv6_find_idev+0x102/0x170 [ 9192.736138][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9192.736138][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9192.736138][ T1167] netlink_rcv_skb+0x130/0x360 [ 9192.736138][ T1167] netlink_unicast+0x449/0x710 [ 9192.736138][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9192.736138][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9192.736138][ T1167] ___sys_sendmsg+0xee/0x170 [ 9192.736138][ T1167] __sys_sendmsg+0xcd/0x170 [ 9192.736138][ T1167] do_syscall_64+0xc6/0x1e0 [ 9192.736138][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9192.736138][ T1167] [ 9197.257099][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9197.257444][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9197.257444][ T10] netdev_get_by_index+0x5e/0x80 [ 9197.257444][ T10] fib6_nh_init+0x3d8/0x1580 [ 9197.257444][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9197.257444][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9197.257444][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9197.257444][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9197.257444][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9197.257444][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9197.257444][ T10] addrconf_dad_begin+0x310/0x670 [ 9197.257444][ T10] addrconf_dad_work+0x10b/0xab0 [ 9197.257444][ T10] process_one_work+0x84d/0x18a0 [ 9197.257444][ T10] worker_thread+0x587/0xd30 [ 9197.257444][ T10] kthread+0x28a/0x350 [ 9197.257444][ T10] ret_from_fork+0x31/0x70 [ 9197.257444][ T10] ret_from_fork_asm+0x1a/0x30 [ 9197.257444][ T10] [ 9197.259364][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9197.259364][ T10] netdev_get_by_index+0x5e/0x80 [ 9197.259364][ T10] fib6_nh_init+0x3d8/0x1580 [ 9197.259364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9197.259364][ T10] ip6_route_add+0x1c/0x140 [ 9197.259364][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9197.259364][ T10] inet6_addr_add+0x4f8/0xa40 [ 9197.259364][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9197.259364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9197.259364][ T10] netlink_rcv_skb+0x130/0x360 [ 9197.259364][ T10] netlink_unicast+0x449/0x710 [ 9197.259364][ T10] netlink_sendmsg+0x723/0xbe0 [ 9197.259364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9197.259364][ T10] ___sys_sendmsg+0xee/0x170 [ 9197.259364][ T10] __sys_sendmsg+0xcd/0x170 [ 9197.259364][ T10] do_syscall_64+0xc6/0x1e0 [ 9197.259364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9197.259364][ T10] [ 9197.261359][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9197.261359][ T10] netdev_get_by_index+0x5e/0x80 [ 9197.261359][ T10] fib6_nh_init+0x3d8/0x1580 [ 9197.261359][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9197.261359][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9197.261359][ T10] ipv6_add_addr+0x411/0x2000 [ 9197.261359][ T10] inet6_addr_add+0x30e/0xa40 [ 9197.261359][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9197.261359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9197.261359][ T10] netlink_rcv_skb+0x130/0x360 [ 9197.261359][ T10] netlink_unicast+0x449/0x710 [ 9197.261359][ T10] netlink_sendmsg+0x723/0xbe0 [ 9197.261359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9197.261359][ T10] ___sys_sendmsg+0xee/0x170 [ 9197.261359][ T10] __sys_sendmsg+0xcd/0x170 [ 9197.261359][ T10] do_syscall_64+0xc6/0x1e0 [ 9197.261359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9197.261359][ T10] [ 9197.263338][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9197.263338][ T10] netdev_get_by_index+0x5e/0x80 [ 9197.263338][ T10] fib6_nh_init+0x3d8/0x1580 [ 9197.263338][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9197.263338][ T10] ip6_route_add+0x1c/0x140 [ 9197.263338][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9197.263338][ T10] addrconf_add_dev+0xe2/0x170 [ 9197.263338][ T10] inet6_addr_add+0x12f/0xa40 [ 9197.263338][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9197.263338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9197.263338][ T10] netlink_rcv_skb+0x130/0x360 [ 9197.263338][ T10] netlink_unicast+0x449/0x710 [ 9197.263338][ T10] netlink_sendmsg+0x723/0xbe0 [ 9197.263338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9197.263338][ T10] ___sys_sendmsg+0xee/0x170 [ 9197.263338][ T10] __sys_sendmsg+0xcd/0x170 [ 9197.263338][ T10] do_syscall_64+0xc6/0x1e0 [ 9197.263338][ T10] [ 9197.265302][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9197.265302][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9197.265302][ T10] ipv6_find_idev+0x102/0x170 [ 9197.265302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9197.265302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9197.265302][ T10] netlink_rcv_skb+0x130/0x360 [ 9197.265302][ T10] netlink_unicast+0x449/0x710 [ 9197.265302][ T10] netlink_sendmsg+0x723/0xbe0 [ 9197.265302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9197.265302][ T10] ___sys_sendmsg+0xee/0x170 [ 9197.265302][ T10] __sys_sendmsg+0xcd/0x170 [ 9197.265302][ T10] do_syscall_64+0xc6/0x1e0 [ 9197.265302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9197.265302][ T10] [ 9197.266835][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9197.266835][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9197.266835][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9197.266835][ T10] ipv6_find_idev+0x102/0x170 [ 9197.266835][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9197.266835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9197.266835][ T10] netlink_rcv_skb+0x130/0x360 [ 9197.266835][ T10] netlink_unicast+0x449/0x710 [ 9197.266835][ T10] netlink_sendmsg+0x723/0xbe0 [ 9197.266835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9197.266835][ T10] ___sys_sendmsg+0xee/0x170 [ 9197.266835][ T10] __sys_sendmsg+0xcd/0x170 [ 9197.266835][ T10] do_syscall_64+0xc6/0x1e0 [ 9197.266835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9197.266835][ T10] [ 9197.268510][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9197.268746][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9197.268746][ T10] netdev_get_by_index+0x5e/0x80 [ 9197.268746][ T10] fib6_nh_init+0x3d8/0x1580 [ 9197.268746][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9197.268746][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9197.268746][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9197.268746][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9197.268746][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9197.268746][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9197.268746][ T10] addrconf_dad_begin+0x310/0x670 [ 9197.268746][ T10] addrconf_dad_work+0x10b/0xab0 [ 9197.268746][ T10] process_one_work+0x84d/0x18a0 [ 9197.268746][ T10] worker_thread+0x587/0xd30 [ 9197.268746][ T10] kthread+0x28a/0x350 [ 9197.268746][ T10] ret_from_fork+0x31/0x70 [ 9197.268746][ T10] ret_from_fork_asm+0x1a/0x30 [ 9197.268746][ T10] [ 9197.270650][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9197.270650][ T10] netdev_get_by_index+0x5e/0x80 [ 9197.270650][ T10] fib6_nh_init+0x3d8/0x1580 [ 9197.270650][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9197.270650][ T10] ip6_route_add+0x1c/0x140 [ 9197.270650][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9197.270650][ T10] inet6_addr_add+0x4f8/0xa40 [ 9197.270650][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9197.270650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9197.270650][ T10] netlink_rcv_skb+0x130/0x360 [ 9197.270650][ T10] netlink_unicast+0x449/0x710 [ 9197.270650][ T10] netlink_sendmsg+0x723/0xbe0 [ 9197.270650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9197.270650][ T10] ___sys_sendmsg+0xee/0x170 [ 9197.270650][ T10] __sys_sendmsg+0xcd/0x170 [ 9197.270650][ T10] do_syscall_64+0xc6/0x1e0 [ 9197.270650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9197.270650][ T10] [ 9197.272634][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9197.272634][ T10] netdev_get_by_index+0x5e/0x80 [ 9197.272634][ T10] fib6_nh_init+0x3d8/0x1580 [ 9197.272634][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9197.272634][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9197.272634][ T10] ipv6_add_addr+0x411/0x2000 [ 9197.272634][ T10] inet6_addr_add+0x30e/0xa40 [ 9197.272634][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9197.272634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9197.272634][ T10] netlink_rcv_skb+0x130/0x360 [ 9197.272634][ T10] netlink_unicast+0x449/0x710 [ 9197.272634][ T10] netlink_sendmsg+0x723/0xbe0 [ 9197.272634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9197.272634][ T10] ___sys_sendmsg+0xee/0x170 [ 9197.272634][ T10] __sys_sendmsg+0xcd/0x170 [ 9197.272634][ T10] do_syscall_64+0xc6/0x1e0 [ 9197.272634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9197.272634][ T10] [ 9197.274617][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9197.274617][ T10] netdev_get_by_index+0x5e/0x80 [ 9197.274617][ T10] fib6_nh_init+0x3d8/0x1580 [ 9197.274617][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9197.274617][ T10] ip6_route_add+0x1c/0x140 [ 9197.274617][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9197.274617][ T10] addrconf_add_dev+0xe2/0x170 [ 9197.274617][ T10] inet6_addr_add+0x12f/0xa40 [ 9197.274617][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9197.274617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9197.274617][ T10] netlink_rcv_skb+0x130/0x360 [ 9197.274617][ T10] netlink_unicast+0x449/0x710 [ 9197.274617][ T10] netlink_sendmsg+0x723/0xbe0 [ 9197.274617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9197.274617][ T10] ___sys_sendmsg+0xee/0x170 [ 9197.274617][ T10] __sys_sendmsg+0xcd/0x170 [ 9197.274617][ T10] do_syscall_64+0xc6/0x1e0 [ 9197.274617][ T10] [ 9197.276594][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9197.276594][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9197.276594][ T10] ipv6_find_idev+0x102/0x170 [ 9197.276594][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9197.276594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9197.276594][ T10] netlink_rcv_skb+0x130/0x360 [ 9197.276594][ T10] netlink_unicast+0x449/0x710 [ 9197.276594][ T10] netlink_sendmsg+0x723/0xbe0 [ 9197.276594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9197.276594][ T10] ___sys_sendmsg+0xee/0x170 [ 9197.276594][ T10] __sys_sendmsg+0xcd/0x170 [ 9197.276594][ T10] do_syscall_64+0xc6/0x1e0 [ 9197.276594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9197.276594][ T10] [ 9197.278121][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9197.278121][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9197.278121][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9197.278121][ T10] ipv6_find_idev+0x102/0x170 [ 9197.278121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9197.278121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9197.278121][ T10] netlink_rcv_skb+0x130/0x360 [ 9197.278121][ T10] netlink_unicast+0x449/0x710 [ 9197.278121][ T10] netlink_sendmsg+0x723/0xbe0 [ 9197.278121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9197.278121][ T10] ___sys_sendmsg+0xee/0x170 [ 9197.278121][ T10] __sys_sendmsg+0xcd/0x170 [ 9197.278121][ T10] do_syscall_64+0xc6/0x1e0 [ 9197.278121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9197.278121][ T10] [ 9197.279797][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9197.280035][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9197.280035][ T10] netdev_get_by_index+0x5e/0x80 [ 9197.280035][ T10] fib6_nh_init+0x3d8/0x1580 [ 9197.280035][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9197.280035][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9197.280035][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9197.280035][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9197.280035][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9197.280035][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9197.280035][ T10] addrconf_dad_begin+0x310/0x670 [ 9197.280035][ T10] addrconf_dad_work+0x10b/0xab0 [ 9197.280035][ T10] process_one_work+0x84d/0x18a0 [ 9197.280035][ T10] worker_thread+0x587/0xd30 [ 9197.280035][ T10] kthread+0x28a/0x350 [ 9197.280035][ T10] ret_from_fork+0x31/0x70 [ 9197.280035][ T10] ret_from_fork_asm+0x1a/0x30 [ 9197.280035][ T10] [ 9197.281943][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9197.281943][ T10] netdev_get_by_index+0x5e/0x80 [ 9197.281943][ T10] fib6_nh_init+0x3d8/0x1580 [ 9197.281943][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9197.281943][ T10] ip6_route_add+0x1c/0x140 [ 9197.281943][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9197.281943][ T10] inet6_addr_add+0x4f8/0xa40 [ 9197.281943][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9197.281943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9197.281943][ T10] netlink_rcv_skb+0x130/0x360 [ 9197.281943][ T10] netlink_unicast+0x449/0x710 [ 9197.281943][ T10] netlink_sendmsg+0x723/0xbe0 [ 9197.281943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9197.281943][ T10] ___sys_sendmsg+0xee/0x170 [ 9197.281943][ T10] __sys_sendmsg+0xcd/0x170 [ 9197.281943][ T10] do_syscall_64+0xc6/0x1e0 [ 9197.281943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9197.281943][ T10] [ 9197.284109][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9197.284109][ T10] netdev_get_by_index+0x5e/0x80 [ 9197.284109][ T10] fib6_nh_init+0x3d8/0x1580 [ 9197.284109][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9197.284109][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9197.284109][ T10] ipv6_add_addr+0x411/0x2000 [ 9197.284109][ T10] inet6_addr_add+0x30e/0xa40 [ 9197.284109][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9197.284109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9197.284109][ T10] netlink_rcv_skb+0x130/0x360 [ 9197.284109][ T10] netlink_unicast+0x449/0x710 [ 9197.284109][ T10] netlink_sendmsg+0x723/0xbe0 [ 9197.284109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9197.284109][ T10] ___sys_sendmsg+0xee/0x170 [ 9197.284109][ T10] __sys_sendmsg+0xcd/0x170 [ 9197.284109][ T10] do_syscall_64+0xc6/0x1e0 [ 9197.284109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9197.284109][ T10] [ 9197.286403][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9197.286403][ T10] netdev_get_by_index+0x5e/0x80 [ 9197.286403][ T10] fib6_nh_init+0x3d8/0x1580 [ 9197.286403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9197.286403][ T10] ip6_route_add+0x1c/0x140 [ 9197.286403][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9197.286403][ T10] addrconf_add_dev+0xe2/0x170 [ 9197.286403][ T10] inet6_addr_add+0x12f/0xa40 [ 9197.286403][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9197.286403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9197.286403][ T10] netlink_rcv_skb+0x130/0x360 [ 9197.286403][ T10] netlink_unicast+0x449/0x710 [ 9197.286403][ T10] netlink_sendmsg+0x723/0xbe0 [ 9197.286403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9197.286403][ T10] ___sys_sendmsg+0xee/0x170 [ 9197.286403][ T10] __sys_sendmsg+0xcd/0x170 [ 9197.286403][ T10] do_syscall_64+0xc6/0x1e0 [ 9197.286403][ T10] [ 9197.288535][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9197.288535][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9197.288535][ T10] ipv6_find_idev+0x102/0x170 [ 9197.288535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9197.288535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9197.288535][ T10] netlink_rcv_skb+0x130/0x360 [ 9197.288535][ T10] netlink_unicast+0x449/0x710 [ 9197.288535][ T10] netlink_sendmsg+0x723/0xbe0 [ 9197.288535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9197.288535][ T10] ___sys_sendmsg+0xee/0x170 [ 9197.288535][ T10] __sys_sendmsg+0xcd/0x170 [ 9197.288535][ T10] do_syscall_64+0xc6/0x1e0 [ 9197.288535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9197.288535][ T10] [ 9197.290237][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9197.290237][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9197.290237][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9197.290237][ T10] ipv6_find_idev+0x102/0x170 [ 9197.290237][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9197.290237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9197.290237][ T10] netlink_rcv_skb+0x130/0x360 [ 9197.290237][ T10] netlink_unicast+0x449/0x710 [ 9197.290237][ T10] netlink_sendmsg+0x723/0xbe0 [ 9197.290237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9197.290237][ T10] ___sys_sendmsg+0xee/0x170 [ 9197.290237][ T10] __sys_sendmsg+0xcd/0x170 [ 9197.290237][ T10] do_syscall_64+0xc6/0x1e0 [ 9197.290237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9197.290237][ T10] [ 9197.292144][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9197.292380][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9197.292380][ T10] netdev_get_by_index+0x5e/0x80 [ 9197.292380][ T10] fib6_nh_init+0x3d8/0x1580 [ 9197.292380][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9197.292380][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9197.292380][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9197.292380][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9197.292380][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9197.292380][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9197.292380][ T10] addrconf_dad_begin+0x310/0x670 [ 9197.292380][ T10] addrconf_dad_work+0x10b/0xab0 [ 9197.292380][ T10] process_one_work+0x84d/0x18a0 [ 9197.292380][ T10] worker_thread+0x587/0xd30 [ 9197.292380][ T10] kthread+0x28a/0x350 [ 9197.292380][ T10] ret_from_fork+0x31/0x70 [ 9197.292380][ T10] ret_from_fork_asm+0x1a/0x30 [ 9197.292380][ T10] [ 9197.294580][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9197.294580][ T10] netdev_get_by_index+0x5e/0x80 [ 9197.294580][ T10] fib6_nh_init+0x3d8/0x1580 [ 9197.294580][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9197.294580][ T10] ip6_route_add+0x1c/0x140 [ 9197.294580][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9197.294580][ T10] inet6_addr_add+0x4f8/0xa40 [ 9197.294580][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9197.294580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9197.294580][ T10] netlink_rcv_skb+0x130/0x360 [ 9197.294580][ T10] netlink_unicast+0x449/0x710 [ 9197.294580][ T10] netlink_sendmsg+0x723/0xbe0 [ 9197.294580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9197.294580][ T10] ___sys_sendmsg+0xee/0x170 [ 9197.294580][ T10] __sys_sendmsg+0xcd/0x170 [ 9197.294580][ T10] do_syscall_64+0xc6/0x1e0 [ 9197.294580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9197.294580][ T10] [ 9197.296747][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9197.296747][ T10] netdev_get_by_index+0x5e/0x80 [ 9197.296747][ T10] fib6_nh_init+0x3d8/0x1580 [ 9197.296747][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9197.296747][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9197.296747][ T10] ipv6_add_addr+0x411/0x2000 [ 9197.296747][ T10] inet6_addr_add+0x30e/0xa40 [ 9197.296747][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9197.296747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9197.296747][ T10] netlink_rcv_skb+0x130/0x360 [ 9197.296747][ T10] netlink_unicast+0x449/0x710 [ 9197.296747][ T10] netlink_sendmsg+0x723/0xbe0 [ 9197.296747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9197.296747][ T10] ___sys_sendmsg+0xee/0x170 [ 9197.296747][ T10] __sys_sendmsg+0xcd/0x170 [ 9197.296747][ T10] do_syscall_64+0xc6/0x1e0 [ 9197.296747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9197.296747][ T10] [ 9197.298967][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9197.298967][ T10] netdev_get_by_index+0x5e/0x80 [ 9197.298967][ T10] fib6_nh_init+0x3d8/0x1580 [ 9197.298967][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9197.298967][ T10] ip6_route_add+0x1c/0x140 [ 9197.298967][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9197.298967][ T10] addrconf_add_dev+0xe2/0x170 [ 9197.298967][ T10] inet6_addr_add+0x12f/0xa40 [ 9197.298967][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9197.298967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9197.298967][ T10] netlink_rcv_skb+0x130/0x360 [ 9197.298967][ T10] netlink_unicast+0x449/0x710 [ 9197.298967][ T10] netlink_sendmsg+0x723/0xbe0 [ 9197.298967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9197.298967][ T10] ___sys_sendmsg+0xee/0x170 [ 9197.298967][ T10] __sys_sendmsg+0xcd/0x170 [ 9197.298967][ T10] do_syscall_64+0xc6/0x1e0 [ 9197.298967][ T10] [ 9197.301166][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9197.301166][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9197.301166][ T10] ipv6_find_idev+0x102/0x170 [ 9197.301166][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9197.301166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9197.301166][ T10] netlink_rcv_skb+0x130/0x360 [ 9197.301166][ T10] netlink_unicast+0x449/0x710 [ 9197.301166][ T10] netlink_sendmsg+0x723/0xbe0 [ 9197.301166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9197.301166][ T10] ___sys_sendmsg+0xee/0x170 [ 9197.301166][ T10] __sys_sendmsg+0xcd/0x170 [ 9197.301166][ T10] do_syscall_64+0xc6/0x1e0 [ 9197.301166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9197.301166][ T10] [ 9197.302870][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9197.302870][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9197.302870][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9197.302870][ T10] ipv6_find_idev+0x102/0x170 [ 9197.302870][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9197.302870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9197.302870][ T10] netlink_rcv_skb+0x130/0x360 [ 9197.302870][ T10] netlink_unicast+0x449/0x710 [ 9197.302870][ T10] netlink_sendmsg+0x723/0xbe0 [ 9197.302870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9197.302870][ T10] ___sys_sendmsg+0xee/0x170 [ 9197.302870][ T10] __sys_sendmsg+0xcd/0x170 [ 9197.302870][ T10] do_syscall_64+0xc6/0x1e0 [ 9197.302870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9197.302870][ T10] [ 9202.977100][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9202.977616][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9202.977616][ T1167] dst_init+0x84/0x4a0 [ 9202.977616][ T1167] dst_alloc+0x97/0x150 [ 9202.977616][ T1167] ip6_dst_alloc+0x23/0x90 [ 9202.977616][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9202.977616][ T1167] ip6_pol_route+0x56f/0x840 [ 9202.977616][ T1167] fib6_rule_lookup+0x334/0x630 [ 9202.977616][ T1167] ip6_route_output_flags+0x259/0x480 [ 9202.977616][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9202.977616][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9202.977616][ T1167] netlink_rcv_skb+0x130/0x360 [ 9202.977616][ T1167] netlink_unicast+0x449/0x710 [ 9202.977616][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9202.977616][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9202.977616][ T1167] ___sys_sendmsg+0xee/0x170 [ 9202.977616][ T1167] __sys_sendmsg+0xcd/0x170 [ 9202.977616][ T1167] do_syscall_64+0xc6/0x1e0 [ 9202.977616][ T1167] [ 9202.979828][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9202.979828][ T1167] netdev_get_by_index+0x5e/0x80 [ 9202.979828][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9202.979828][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9202.979828][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9202.979828][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9202.979828][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9202.979828][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9202.979828][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9202.979828][ T1167] addrconf_dad_begin+0x310/0x670 [ 9202.979828][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9202.979828][ T1167] process_one_work+0x84d/0x18a0 [ 9202.979828][ T1167] worker_thread+0x587/0xd30 [ 9202.979828][ T1167] kthread+0x28a/0x350 [ 9202.979828][ T1167] ret_from_fork+0x31/0x70 [ 9202.979828][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9202.979828][ T1167] [ 9202.981988][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9202.981988][ T1167] netdev_get_by_index+0x5e/0x80 [ 9202.981988][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9202.981988][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9202.981988][ T1167] ip6_route_add+0x1c/0x140 [ 9202.981988][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9202.981988][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9202.981988][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9202.981988][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9202.981988][ T1167] netlink_rcv_skb+0x130/0x360 [ 9202.981988][ T1167] netlink_unicast+0x449/0x710 [ 9202.981988][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9202.981988][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9202.981988][ T1167] ___sys_sendmsg+0xee/0x170 [ 9202.981988][ T1167] __sys_sendmsg+0xcd/0x170 [ 9202.981988][ T1167] do_syscall_64+0xc6/0x1e0 [ 9202.981988][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9202.981988][ T1167] [ 9202.984480][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9202.984480][ T1167] netdev_get_by_index+0x5e/0x80 [ 9202.984480][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9202.984480][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9202.984480][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9202.984480][ T1167] ipv6_add_addr+0x411/0x2000 [ 9202.984480][ T1167] inet6_addr_add+0x30e/0xa40 [ 9202.984480][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9202.984480][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9202.984480][ T1167] netlink_rcv_skb+0x130/0x360 [ 9202.984480][ T1167] netlink_unicast+0x449/0x710 [ 9202.984480][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9202.984480][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9202.984480][ T1167] ___sys_sendmsg+0xee/0x170 [ 9202.984480][ T1167] __sys_sendmsg+0xcd/0x170 [ 9202.984480][ T1167] do_syscall_64+0xc6/0x1e0 [ 9202.984480][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9202.984480][ T1167] [ 9202.987212][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9202.987212][ T1167] netdev_get_by_index+0x5e/0x80 [ 9202.987212][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9202.987212][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9202.987212][ T1167] ip6_route_add+0x1c/0x140 [ 9202.987212][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9202.987212][ T1167] addrconf_add_dev+0xe2/0x170 [ 9202.987212][ T1167] inet6_addr_add+0x12f/0xa40 [ 9202.987212][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9202.987212][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9202.987212][ T1167] netlink_rcv_skb+0x130/0x360 [ 9202.987212][ T1167] netlink_unicast+0x449/0x710 [ 9202.987212][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9202.987212][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9202.987212][ T1167] ___sys_sendmsg+0xee/0x170 [ 9202.987212][ T1167] __sys_sendmsg+0xcd/0x170 [ 9202.987212][ T1167] do_syscall_64+0xc6/0x1e0 [ 9202.987212][ T1167] [ 9202.989824][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9202.989824][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9202.989824][ T1167] ipv6_find_idev+0x102/0x170 [ 9202.989824][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9202.989824][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9202.989824][ T1167] netlink_rcv_skb+0x130/0x360 [ 9202.989824][ T1167] netlink_unicast+0x449/0x710 [ 9202.989824][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9202.989824][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9202.989824][ T1167] ___sys_sendmsg+0xee/0x170 [ 9202.989824][ T1167] __sys_sendmsg+0xcd/0x170 [ 9202.989824][ T1167] do_syscall_64+0xc6/0x1e0 [ 9202.989824][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9202.989824][ T1167] [ 9202.991937][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9202.991937][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9202.991937][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9202.991937][ T1167] ipv6_find_idev+0x102/0x170 [ 9202.991937][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9202.991937][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9202.991937][ T1167] netlink_rcv_skb+0x130/0x360 [ 9202.991937][ T1167] netlink_unicast+0x449/0x710 [ 9202.991937][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9202.991937][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9202.991937][ T1167] ___sys_sendmsg+0xee/0x170 [ 9202.991937][ T1167] __sys_sendmsg+0xcd/0x170 [ 9202.991937][ T1167] do_syscall_64+0xc6/0x1e0 [ 9202.991937][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9202.991937][ T1167] [ 9207.561106][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9207.561446][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9207.561446][ T10] netdev_get_by_index+0x5e/0x80 [ 9207.561446][ T10] fib6_nh_init+0x3d8/0x1580 [ 9207.561446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9207.561446][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9207.561446][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9207.561446][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9207.561446][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9207.561446][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9207.561446][ T10] addrconf_dad_begin+0x310/0x670 [ 9207.561446][ T10] addrconf_dad_work+0x10b/0xab0 [ 9207.561446][ T10] process_one_work+0x84d/0x18a0 [ 9207.561446][ T10] worker_thread+0x587/0xd30 [ 9207.561446][ T10] kthread+0x28a/0x350 [ 9207.561446][ T10] ret_from_fork+0x31/0x70 [ 9207.561446][ T10] ret_from_fork_asm+0x1a/0x30 [ 9207.561446][ T10] [ 9207.563369][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9207.563369][ T10] netdev_get_by_index+0x5e/0x80 [ 9207.563369][ T10] fib6_nh_init+0x3d8/0x1580 [ 9207.563369][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9207.563369][ T10] ip6_route_add+0x1c/0x140 [ 9207.563369][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9207.563369][ T10] inet6_addr_add+0x4f8/0xa40 [ 9207.563369][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9207.563369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9207.563369][ T10] netlink_rcv_skb+0x130/0x360 [ 9207.563369][ T10] netlink_unicast+0x449/0x710 [ 9207.563369][ T10] netlink_sendmsg+0x723/0xbe0 [ 9207.563369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9207.563369][ T10] ___sys_sendmsg+0xee/0x170 [ 9207.563369][ T10] __sys_sendmsg+0xcd/0x170 [ 9207.563369][ T10] do_syscall_64+0xc6/0x1e0 [ 9207.563369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9207.563369][ T10] [ 9207.565440][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9207.565440][ T10] netdev_get_by_index+0x5e/0x80 [ 9207.565440][ T10] fib6_nh_init+0x3d8/0x1580 [ 9207.565440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9207.565440][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9207.565440][ T10] ipv6_add_addr+0x411/0x2000 [ 9207.565440][ T10] inet6_addr_add+0x30e/0xa40 [ 9207.565440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9207.565440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9207.565440][ T10] netlink_rcv_skb+0x130/0x360 [ 9207.565440][ T10] netlink_unicast+0x449/0x710 [ 9207.565440][ T10] netlink_sendmsg+0x723/0xbe0 [ 9207.565440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9207.565440][ T10] ___sys_sendmsg+0xee/0x170 [ 9207.565440][ T10] __sys_sendmsg+0xcd/0x170 [ 9207.565440][ T10] do_syscall_64+0xc6/0x1e0 [ 9207.565440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9207.565440][ T10] [ 9207.567425][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9207.567425][ T10] netdev_get_by_index+0x5e/0x80 [ 9207.567425][ T10] fib6_nh_init+0x3d8/0x1580 [ 9207.567425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9207.567425][ T10] ip6_route_add+0x1c/0x140 [ 9207.567425][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9207.567425][ T10] addrconf_add_dev+0xe2/0x170 [ 9207.567425][ T10] inet6_addr_add+0x12f/0xa40 [ 9207.567425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9207.567425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9207.567425][ T10] netlink_rcv_skb+0x130/0x360 [ 9207.567425][ T10] netlink_unicast+0x449/0x710 [ 9207.567425][ T10] netlink_sendmsg+0x723/0xbe0 [ 9207.567425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9207.567425][ T10] ___sys_sendmsg+0xee/0x170 [ 9207.567425][ T10] __sys_sendmsg+0xcd/0x170 [ 9207.567425][ T10] do_syscall_64+0xc6/0x1e0 [ 9207.567425][ T10] [ 9207.569374][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9207.569374][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9207.569374][ T10] ipv6_find_idev+0x102/0x170 [ 9207.569374][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9207.569374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9207.569374][ T10] netlink_rcv_skb+0x130/0x360 [ 9207.569374][ T10] netlink_unicast+0x449/0x710 [ 9207.569374][ T10] netlink_sendmsg+0x723/0xbe0 [ 9207.569374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9207.569374][ T10] ___sys_sendmsg+0xee/0x170 [ 9207.569374][ T10] __sys_sendmsg+0xcd/0x170 [ 9207.569374][ T10] do_syscall_64+0xc6/0x1e0 [ 9207.569374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9207.569374][ T10] [ 9207.570902][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9207.570902][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9207.570902][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9207.570902][ T10] ipv6_find_idev+0x102/0x170 [ 9207.570902][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9207.570902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9207.570902][ T10] netlink_rcv_skb+0x130/0x360 [ 9207.570902][ T10] netlink_unicast+0x449/0x710 [ 9207.570902][ T10] netlink_sendmsg+0x723/0xbe0 [ 9207.570902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9207.570902][ T10] ___sys_sendmsg+0xee/0x170 [ 9207.570902][ T10] __sys_sendmsg+0xcd/0x170 [ 9207.570902][ T10] do_syscall_64+0xc6/0x1e0 [ 9207.570902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9207.570902][ T10] [ 9207.572597][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9207.572840][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9207.572840][ T10] netdev_get_by_index+0x5e/0x80 [ 9207.572840][ T10] fib6_nh_init+0x3d8/0x1580 [ 9207.572840][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9207.572840][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9207.572840][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9207.572840][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9207.572840][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9207.572840][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9207.572840][ T10] addrconf_dad_begin+0x310/0x670 [ 9207.572840][ T10] addrconf_dad_work+0x10b/0xab0 [ 9207.572840][ T10] process_one_work+0x84d/0x18a0 [ 9207.572840][ T10] worker_thread+0x587/0xd30 [ 9207.572840][ T10] kthread+0x28a/0x350 [ 9207.572840][ T10] ret_from_fork+0x31/0x70 [ 9207.572840][ T10] ret_from_fork_asm+0x1a/0x30 [ 9207.572840][ T10] [ 9207.574731][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9207.574731][ T10] netdev_get_by_index+0x5e/0x80 [ 9207.574731][ T10] fib6_nh_init+0x3d8/0x1580 [ 9207.574731][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9207.574731][ T10] ip6_route_add+0x1c/0x140 [ 9207.574731][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9207.574731][ T10] inet6_addr_add+0x4f8/0xa40 [ 9207.574731][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9207.574731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9207.574731][ T10] netlink_rcv_skb+0x130/0x360 [ 9207.574731][ T10] netlink_unicast+0x449/0x710 [ 9207.574731][ T10] netlink_sendmsg+0x723/0xbe0 [ 9207.574731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9207.574731][ T10] ___sys_sendmsg+0xee/0x170 [ 9207.574731][ T10] __sys_sendmsg+0xcd/0x170 [ 9207.574731][ T10] do_syscall_64+0xc6/0x1e0 [ 9207.574731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9207.574731][ T10] [ 9207.577232][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9207.577232][ T10] netdev_get_by_index+0x5e/0x80 [ 9207.577232][ T10] fib6_nh_init+0x3d8/0x1580 [ 9207.577232][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9207.577232][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9207.577232][ T10] ipv6_add_addr+0x411/0x2000 [ 9207.577232][ T10] inet6_addr_add+0x30e/0xa40 [ 9207.577232][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9207.577232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9207.577232][ T10] netlink_rcv_skb+0x130/0x360 [ 9207.577232][ T10] netlink_unicast+0x449/0x710 [ 9207.577232][ T10] netlink_sendmsg+0x723/0xbe0 [ 9207.577232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9207.577232][ T10] ___sys_sendmsg+0xee/0x170 [ 9207.577232][ T10] __sys_sendmsg+0xcd/0x170 [ 9207.577232][ T10] do_syscall_64+0xc6/0x1e0 [ 9207.577232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9207.577232][ T10] [ 9207.579208][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9207.579208][ T10] netdev_get_by_index+0x5e/0x80 [ 9207.579208][ T10] fib6_nh_init+0x3d8/0x1580 [ 9207.579208][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9207.579208][ T10] ip6_route_add+0x1c/0x140 [ 9207.579208][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9207.579208][ T10] addrconf_add_dev+0xe2/0x170 [ 9207.579208][ T10] inet6_addr_add+0x12f/0xa40 [ 9207.579208][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9207.579208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9207.579208][ T10] netlink_rcv_skb+0x130/0x360 [ 9207.579208][ T10] netlink_unicast+0x449/0x710 [ 9207.579208][ T10] netlink_sendmsg+0x723/0xbe0 [ 9207.579208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9207.579208][ T10] ___sys_sendmsg+0xee/0x170 [ 9207.579208][ T10] __sys_sendmsg+0xcd/0x170 [ 9207.579208][ T10] do_syscall_64+0xc6/0x1e0 [ 9207.579208][ T10] [ 9207.581155][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9207.581155][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9207.581155][ T10] ipv6_find_idev+0x102/0x170 [ 9207.581155][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9207.581155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9207.581155][ T10] netlink_rcv_skb+0x130/0x360 [ 9207.581155][ T10] netlink_unicast+0x449/0x710 [ 9207.581155][ T10] netlink_sendmsg+0x723/0xbe0 [ 9207.581155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9207.581155][ T10] ___sys_sendmsg+0xee/0x170 [ 9207.581155][ T10] __sys_sendmsg+0xcd/0x170 [ 9207.581155][ T10] do_syscall_64+0xc6/0x1e0 [ 9207.581155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9207.581155][ T10] [ 9207.582698][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9207.582698][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9207.582698][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9207.582698][ T10] ipv6_find_idev+0x102/0x170 [ 9207.582698][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9207.582698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9207.582698][ T10] netlink_rcv_skb+0x130/0x360 [ 9207.582698][ T10] netlink_unicast+0x449/0x710 [ 9207.582698][ T10] netlink_sendmsg+0x723/0xbe0 [ 9207.582698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9207.582698][ T10] ___sys_sendmsg+0xee/0x170 [ 9207.582698][ T10] __sys_sendmsg+0xcd/0x170 [ 9207.582698][ T10] do_syscall_64+0xc6/0x1e0 [ 9207.582698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9207.582698][ T10] [ 9207.584366][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9207.584598][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9207.584598][ T10] netdev_get_by_index+0x5e/0x80 [ 9207.584598][ T10] fib6_nh_init+0x3d8/0x1580 [ 9207.584598][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9207.584598][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9207.584598][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9207.584598][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9207.584598][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9207.584598][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9207.584598][ T10] addrconf_dad_begin+0x310/0x670 [ 9207.584598][ T10] addrconf_dad_work+0x10b/0xab0 [ 9207.584598][ T10] process_one_work+0x84d/0x18a0 [ 9207.584598][ T10] worker_thread+0x587/0xd30 [ 9207.584598][ T10] kthread+0x28a/0x350 [ 9207.584598][ T10] ret_from_fork+0x31/0x70 [ 9207.584598][ T10] ret_from_fork_asm+0x1a/0x30 [ 9207.584598][ T10] [ 9207.586495][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9207.586495][ T10] netdev_get_by_index+0x5e/0x80 [ 9207.586495][ T10] fib6_nh_init+0x3d8/0x1580 [ 9207.586495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9207.586495][ T10] ip6_route_add+0x1c/0x140 [ 9207.586495][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9207.586495][ T10] inet6_addr_add+0x4f8/0xa40 [ 9207.586495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9207.586495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9207.586495][ T10] netlink_rcv_skb+0x130/0x360 [ 9207.586495][ T10] netlink_unicast+0x449/0x710 [ 9207.586495][ T10] netlink_sendmsg+0x723/0xbe0 [ 9207.586495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9207.586495][ T10] ___sys_sendmsg+0xee/0x170 [ 9207.586495][ T10] __sys_sendmsg+0xcd/0x170 [ 9207.586495][ T10] do_syscall_64+0xc6/0x1e0 [ 9207.586495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9207.586495][ T10] [ 9207.588650][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9207.588650][ T10] netdev_get_by_index+0x5e/0x80 [ 9207.588650][ T10] fib6_nh_init+0x3d8/0x1580 [ 9207.588650][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9207.588650][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9207.588650][ T10] ipv6_add_addr+0x411/0x2000 [ 9207.588650][ T10] inet6_addr_add+0x30e/0xa40 [ 9207.588650][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9207.588650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9207.588650][ T10] netlink_rcv_skb+0x130/0x360 [ 9207.588650][ T10] netlink_unicast+0x449/0x710 [ 9207.588650][ T10] netlink_sendmsg+0x723/0xbe0 [ 9207.588650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9207.588650][ T10] ___sys_sendmsg+0xee/0x170 [ 9207.588650][ T10] __sys_sendmsg+0xcd/0x170 [ 9207.588650][ T10] do_syscall_64+0xc6/0x1e0 [ 9207.588650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9207.588650][ T10] [ 9207.590930][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9207.590930][ T10] netdev_get_by_index+0x5e/0x80 [ 9207.590930][ T10] fib6_nh_init+0x3d8/0x1580 [ 9207.590930][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9207.590930][ T10] ip6_route_add+0x1c/0x140 [ 9207.590930][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9207.590930][ T10] addrconf_add_dev+0xe2/0x170 [ 9207.590930][ T10] inet6_addr_add+0x12f/0xa40 [ 9207.590930][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9207.590930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9207.590930][ T10] netlink_rcv_skb+0x130/0x360 [ 9207.590930][ T10] netlink_unicast+0x449/0x710 [ 9207.590930][ T10] netlink_sendmsg+0x723/0xbe0 [ 9207.590930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9207.590930][ T10] ___sys_sendmsg+0xee/0x170 [ 9207.590930][ T10] __sys_sendmsg+0xcd/0x170 [ 9207.590930][ T10] do_syscall_64+0xc6/0x1e0 [ 9207.590930][ T10] [ 9207.593053][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9207.593053][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9207.593053][ T10] ipv6_find_idev+0x102/0x170 [ 9207.593053][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9207.593053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9207.593053][ T10] netlink_rcv_skb+0x130/0x360 [ 9207.593053][ T10] netlink_unicast+0x449/0x710 [ 9207.593053][ T10] netlink_sendmsg+0x723/0xbe0 [ 9207.593053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9207.593053][ T10] ___sys_sendmsg+0xee/0x170 [ 9207.593053][ T10] __sys_sendmsg+0xcd/0x170 [ 9207.593053][ T10] do_syscall_64+0xc6/0x1e0 [ 9207.593053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9207.593053][ T10] [ 9207.594755][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9207.594755][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9207.594755][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9207.594755][ T10] ipv6_find_idev+0x102/0x170 [ 9207.594755][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9207.594755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9207.594755][ T10] netlink_rcv_skb+0x130/0x360 [ 9207.594755][ T10] netlink_unicast+0x449/0x710 [ 9207.594755][ T10] netlink_sendmsg+0x723/0xbe0 [ 9207.594755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9207.594755][ T10] ___sys_sendmsg+0xee/0x170 [ 9207.594755][ T10] __sys_sendmsg+0xcd/0x170 [ 9207.594755][ T10] do_syscall_64+0xc6/0x1e0 [ 9207.594755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9207.594755][ T10] [ 9207.596620][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9207.596851][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9207.596851][ T10] netdev_get_by_index+0x5e/0x80 [ 9207.596851][ T10] fib6_nh_init+0x3d8/0x1580 [ 9207.596851][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9207.596851][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9207.596851][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9207.596851][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9207.596851][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9207.596851][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9207.596851][ T10] addrconf_dad_begin+0x310/0x670 [ 9207.596851][ T10] addrconf_dad_work+0x10b/0xab0 [ 9207.596851][ T10] process_one_work+0x84d/0x18a0 [ 9207.596851][ T10] worker_thread+0x587/0xd30 [ 9207.596851][ T10] kthread+0x28a/0x350 [ 9207.596851][ T10] ret_from_fork+0x31/0x70 [ 9207.596851][ T10] ret_from_fork_asm+0x1a/0x30 [ 9207.596851][ T10] [ 9207.599043][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9207.599043][ T10] netdev_get_by_index+0x5e/0x80 [ 9207.599043][ T10] fib6_nh_init+0x3d8/0x1580 [ 9207.599043][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9207.599043][ T10] ip6_route_add+0x1c/0x140 [ 9207.599043][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9207.599043][ T10] inet6_addr_add+0x4f8/0xa40 [ 9207.599043][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9207.599043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9207.599043][ T10] netlink_rcv_skb+0x130/0x360 [ 9207.599043][ T10] netlink_unicast+0x449/0x710 [ 9207.599043][ T10] netlink_sendmsg+0x723/0xbe0 [ 9207.599043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9207.599043][ T10] ___sys_sendmsg+0xee/0x170 [ 9207.599043][ T10] __sys_sendmsg+0xcd/0x170 [ 9207.599043][ T10] do_syscall_64+0xc6/0x1e0 [ 9207.599043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9207.599043][ T10] [ 9207.601205][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9207.601205][ T10] netdev_get_by_index+0x5e/0x80 [ 9207.601205][ T10] fib6_nh_init+0x3d8/0x1580 [ 9207.601205][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9207.601205][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9207.601205][ T10] ipv6_add_addr+0x411/0x2000 [ 9207.601205][ T10] inet6_addr_add+0x30e/0xa40 [ 9207.601205][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9207.601205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9207.601205][ T10] netlink_rcv_skb+0x130/0x360 [ 9207.601205][ T10] netlink_unicast+0x449/0x710 [ 9207.601205][ T10] netlink_sendmsg+0x723/0xbe0 [ 9207.601205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9207.601205][ T10] ___sys_sendmsg+0xee/0x170 [ 9207.601205][ T10] __sys_sendmsg+0xcd/0x170 [ 9207.601205][ T10] do_syscall_64+0xc6/0x1e0 [ 9207.601205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9207.601205][ T10] [ 9207.603315][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9207.603315][ T10] netdev_get_by_index+0x5e/0x80 [ 9207.603315][ T10] fib6_nh_init+0x3d8/0x1580 [ 9207.603315][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9207.603315][ T10] ip6_route_add+0x1c/0x140 [ 9207.603315][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9207.603315][ T10] addrconf_add_dev+0xe2/0x170 [ 9207.603315][ T10] inet6_addr_add+0x12f/0xa40 [ 9207.603315][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9207.603315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9207.603315][ T10] netlink_rcv_skb+0x130/0x360 [ 9207.603315][ T10] netlink_unicast+0x449/0x710 [ 9207.603315][ T10] netlink_sendmsg+0x723/0xbe0 [ 9207.603315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9207.603315][ T10] ___sys_sendmsg+0xee/0x170 [ 9207.603315][ T10] __sys_sendmsg+0xcd/0x170 [ 9207.603315][ T10] do_syscall_64+0xc6/0x1e0 [ 9207.603315][ T10] [ 9207.605406][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9207.605406][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9207.605406][ T10] ipv6_find_idev+0x102/0x170 [ 9207.605406][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9207.605406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9207.605406][ T10] netlink_rcv_skb+0x130/0x360 [ 9207.605406][ T10] netlink_unicast+0x449/0x710 [ 9207.605406][ T10] netlink_sendmsg+0x723/0xbe0 [ 9207.605406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9207.605406][ T10] ___sys_sendmsg+0xee/0x170 [ 9207.605406][ T10] __sys_sendmsg+0xcd/0x170 [ 9207.605406][ T10] do_syscall_64+0xc6/0x1e0 [ 9207.605406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9207.605406][ T10] [ 9207.607065][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9207.607065][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9207.607065][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9207.607065][ T10] ipv6_find_idev+0x102/0x170 [ 9207.607065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9207.607065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9207.607065][ T10] netlink_rcv_skb+0x130/0x360 [ 9207.607065][ T10] netlink_unicast+0x449/0x710 [ 9207.607065][ T10] netlink_sendmsg+0x723/0xbe0 [ 9207.607065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9207.607065][ T10] ___sys_sendmsg+0xee/0x170 [ 9207.607065][ T10] __sys_sendmsg+0xcd/0x170 [ 9207.607065][ T10] do_syscall_64+0xc6/0x1e0 [ 9207.607065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9207.607065][ T10] [ 9213.113140][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9213.113643][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9213.113643][ T1167] dst_init+0x84/0x4a0 [ 9213.113643][ T1167] dst_alloc+0x97/0x150 [ 9213.113643][ T1167] ip6_dst_alloc+0x23/0x90 [ 9213.113643][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9213.113643][ T1167] ip6_pol_route+0x56f/0x840 [ 9213.113643][ T1167] fib6_rule_lookup+0x334/0x630 [ 9213.113643][ T1167] ip6_route_output_flags+0x259/0x480 [ 9213.113643][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9213.113643][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9213.113643][ T1167] netlink_rcv_skb+0x130/0x360 [ 9213.113643][ T1167] netlink_unicast+0x449/0x710 [ 9213.113643][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9213.113643][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9213.113643][ T1167] ___sys_sendmsg+0xee/0x170 [ 9213.113643][ T1167] __sys_sendmsg+0xcd/0x170 [ 9213.113643][ T1167] do_syscall_64+0xc6/0x1e0 [ 9213.113643][ T1167] [ 9213.115872][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9213.115872][ T1167] netdev_get_by_index+0x5e/0x80 [ 9213.115872][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9213.115872][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9213.115872][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9213.115872][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9213.115872][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9213.115872][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9213.115872][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9213.115872][ T1167] addrconf_dad_begin+0x310/0x670 [ 9213.115872][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9213.115872][ T1167] process_one_work+0x84d/0x18a0 [ 9213.115872][ T1167] worker_thread+0x587/0xd30 [ 9213.115872][ T1167] kthread+0x28a/0x350 [ 9213.115872][ T1167] ret_from_fork+0x31/0x70 [ 9213.115872][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9213.115872][ T1167] [ 9213.118025][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9213.118025][ T1167] netdev_get_by_index+0x5e/0x80 [ 9213.118025][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9213.118025][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9213.118025][ T1167] ip6_route_add+0x1c/0x140 [ 9213.118025][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9213.118025][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9213.118025][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9213.118025][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9213.118025][ T1167] netlink_rcv_skb+0x130/0x360 [ 9213.118025][ T1167] netlink_unicast+0x449/0x710 [ 9213.118025][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9213.118025][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9213.118025][ T1167] ___sys_sendmsg+0xee/0x170 [ 9213.118025][ T1167] __sys_sendmsg+0xcd/0x170 [ 9213.118025][ T1167] do_syscall_64+0xc6/0x1e0 [ 9213.118025][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9213.118025][ T1167] [ 9213.120275][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9213.120275][ T1167] netdev_get_by_index+0x5e/0x80 [ 9213.120275][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9213.120275][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9213.120275][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9213.120275][ T1167] ipv6_add_addr+0x411/0x2000 [ 9213.120275][ T1167] inet6_addr_add+0x30e/0xa40 [ 9213.120275][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9213.120275][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9213.120275][ T1167] netlink_rcv_skb+0x130/0x360 [ 9213.120275][ T1167] netlink_unicast+0x449/0x710 [ 9213.120275][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9213.120275][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9213.120275][ T1167] ___sys_sendmsg+0xee/0x170 [ 9213.120275][ T1167] __sys_sendmsg+0xcd/0x170 [ 9213.120275][ T1167] do_syscall_64+0xc6/0x1e0 [ 9213.120275][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9213.120275][ T1167] [ 9213.122531][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9213.122531][ T1167] netdev_get_by_index+0x5e/0x80 [ 9213.122531][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9213.122531][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9213.122531][ T1167] ip6_route_add+0x1c/0x140 [ 9213.122531][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9213.122531][ T1167] addrconf_add_dev+0xe2/0x170 [ 9213.122531][ T1167] inet6_addr_add+0x12f/0xa40 [ 9213.122531][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9213.122531][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9213.122531][ T1167] netlink_rcv_skb+0x130/0x360 [ 9213.122531][ T1167] netlink_unicast+0x449/0x710 [ 9213.122531][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9213.122531][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9213.122531][ T1167] ___sys_sendmsg+0xee/0x170 [ 9213.122531][ T1167] __sys_sendmsg+0xcd/0x170 [ 9213.122531][ T1167] do_syscall_64+0xc6/0x1e0 [ 9213.122531][ T1167] [ 9213.124766][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9213.124766][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9213.124766][ T1167] ipv6_find_idev+0x102/0x170 [ 9213.124766][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9213.124766][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9213.124766][ T1167] netlink_rcv_skb+0x130/0x360 [ 9213.124766][ T1167] netlink_unicast+0x449/0x710 [ 9213.124766][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9213.124766][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9213.124766][ T1167] ___sys_sendmsg+0xee/0x170 [ 9213.124766][ T1167] __sys_sendmsg+0xcd/0x170 [ 9213.124766][ T1167] do_syscall_64+0xc6/0x1e0 [ 9213.124766][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9213.124766][ T1167] [ 9213.126507][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9213.126507][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9213.126507][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9213.126507][ T1167] ipv6_find_idev+0x102/0x170 [ 9213.126507][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9213.126507][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9213.126507][ T1167] netlink_rcv_skb+0x130/0x360 [ 9213.126507][ T1167] netlink_unicast+0x449/0x710 [ 9213.126507][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9213.126507][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9213.126507][ T1167] ___sys_sendmsg+0xee/0x170 [ 9213.126507][ T1167] __sys_sendmsg+0xcd/0x170 [ 9213.126507][ T1167] do_syscall_64+0xc6/0x1e0 [ 9213.126507][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9213.126507][ T1167] [ 9217.817097][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9217.817533][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9217.817533][ T10] netdev_get_by_index+0x5e/0x80 [ 9217.817533][ T10] fib6_nh_init+0x3d8/0x1580 [ 9217.817533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9217.817533][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9217.817533][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9217.817533][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9217.817533][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9217.817533][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9217.817533][ T10] addrconf_dad_begin+0x310/0x670 [ 9217.817533][ T10] addrconf_dad_work+0x10b/0xab0 [ 9217.817533][ T10] process_one_work+0x84d/0x18a0 [ 9217.817533][ T10] worker_thread+0x587/0xd30 [ 9217.817533][ T10] kthread+0x28a/0x350 [ 9217.817533][ T10] ret_from_fork+0x31/0x70 [ 9217.817533][ T10] ret_from_fork_asm+0x1a/0x30 [ 9217.817533][ T10] [ 9217.819490][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9217.819490][ T10] netdev_get_by_index+0x5e/0x80 [ 9217.819490][ T10] fib6_nh_init+0x3d8/0x1580 [ 9217.819490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9217.819490][ T10] ip6_route_add+0x1c/0x140 [ 9217.819490][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9217.819490][ T10] inet6_addr_add+0x4f8/0xa40 [ 9217.819490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9217.819490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9217.819490][ T10] netlink_rcv_skb+0x130/0x360 [ 9217.819490][ T10] netlink_unicast+0x449/0x710 [ 9217.819490][ T10] netlink_sendmsg+0x723/0xbe0 [ 9217.819490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9217.819490][ T10] ___sys_sendmsg+0xee/0x170 [ 9217.819490][ T10] __sys_sendmsg+0xcd/0x170 [ 9217.819490][ T10] do_syscall_64+0xc6/0x1e0 [ 9217.819490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9217.819490][ T10] [ 9217.821510][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9217.821510][ T10] netdev_get_by_index+0x5e/0x80 [ 9217.821510][ T10] fib6_nh_init+0x3d8/0x1580 [ 9217.821510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9217.821510][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9217.821510][ T10] ipv6_add_addr+0x411/0x2000 [ 9217.821510][ T10] inet6_addr_add+0x30e/0xa40 [ 9217.821510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9217.821510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9217.821510][ T10] netlink_rcv_skb+0x130/0x360 [ 9217.821510][ T10] netlink_unicast+0x449/0x710 [ 9217.821510][ T10] netlink_sendmsg+0x723/0xbe0 [ 9217.821510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9217.821510][ T10] ___sys_sendmsg+0xee/0x170 [ 9217.821510][ T10] __sys_sendmsg+0xcd/0x170 [ 9217.821510][ T10] do_syscall_64+0xc6/0x1e0 [ 9217.821510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9217.821510][ T10] [ 9217.823533][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9217.823533][ T10] netdev_get_by_index+0x5e/0x80 [ 9217.823533][ T10] fib6_nh_init+0x3d8/0x1580 [ 9217.823533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9217.823533][ T10] ip6_route_add+0x1c/0x140 [ 9217.823533][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9217.823533][ T10] addrconf_add_dev+0xe2/0x170 [ 9217.823533][ T10] inet6_addr_add+0x12f/0xa40 [ 9217.823533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9217.823533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9217.823533][ T10] netlink_rcv_skb+0x130/0x360 [ 9217.823533][ T10] netlink_unicast+0x449/0x710 [ 9217.823533][ T10] netlink_sendmsg+0x723/0xbe0 [ 9217.823533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9217.823533][ T10] ___sys_sendmsg+0xee/0x170 [ 9217.823533][ T10] __sys_sendmsg+0xcd/0x170 [ 9217.823533][ T10] do_syscall_64+0xc6/0x1e0 [ 9217.823533][ T10] [ 9217.825525][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9217.825525][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9217.825525][ T10] ipv6_find_idev+0x102/0x170 [ 9217.825525][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9217.825525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9217.825525][ T10] netlink_rcv_skb+0x130/0x360 [ 9217.825525][ T10] netlink_unicast+0x449/0x710 [ 9217.825525][ T10] netlink_sendmsg+0x723/0xbe0 [ 9217.825525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9217.825525][ T10] ___sys_sendmsg+0xee/0x170 [ 9217.825525][ T10] __sys_sendmsg+0xcd/0x170 [ 9217.825525][ T10] do_syscall_64+0xc6/0x1e0 [ 9217.825525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9217.825525][ T10] [ 9217.827070][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9217.827070][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9217.827070][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9217.827070][ T10] ipv6_find_idev+0x102/0x170 [ 9217.827070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9217.827070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9217.827070][ T10] netlink_rcv_skb+0x130/0x360 [ 9217.827070][ T10] netlink_unicast+0x449/0x710 [ 9217.827070][ T10] netlink_sendmsg+0x723/0xbe0 [ 9217.827070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9217.827070][ T10] ___sys_sendmsg+0xee/0x170 [ 9217.827070][ T10] __sys_sendmsg+0xcd/0x170 [ 9217.827070][ T10] do_syscall_64+0xc6/0x1e0 [ 9217.827070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9217.827070][ T10] [ 9217.828771][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9217.829020][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9217.829020][ T10] netdev_get_by_index+0x5e/0x80 [ 9217.829020][ T10] fib6_nh_init+0x3d8/0x1580 [ 9217.829020][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9217.829020][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9217.829020][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9217.829020][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9217.829020][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9217.829020][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9217.829020][ T10] addrconf_dad_begin+0x310/0x670 [ 9217.829020][ T10] addrconf_dad_work+0x10b/0xab0 [ 9217.829020][ T10] process_one_work+0x84d/0x18a0 [ 9217.829020][ T10] worker_thread+0x587/0xd30 [ 9217.829020][ T10] kthread+0x28a/0x350 [ 9217.829020][ T10] ret_from_fork+0x31/0x70 [ 9217.829020][ T10] ret_from_fork_asm+0x1a/0x30 [ 9217.829020][ T10] [ 9217.830937][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9217.830937][ T10] netdev_get_by_index+0x5e/0x80 [ 9217.830937][ T10] fib6_nh_init+0x3d8/0x1580 [ 9217.830937][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9217.830937][ T10] ip6_route_add+0x1c/0x140 [ 9217.830937][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9217.830937][ T10] inet6_addr_add+0x4f8/0xa40 [ 9217.830937][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9217.830937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9217.830937][ T10] netlink_rcv_skb+0x130/0x360 [ 9217.830937][ T10] netlink_unicast+0x449/0x710 [ 9217.830937][ T10] netlink_sendmsg+0x723/0xbe0 [ 9217.830937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9217.830937][ T10] ___sys_sendmsg+0xee/0x170 [ 9217.830937][ T10] __sys_sendmsg+0xcd/0x170 [ 9217.830937][ T10] do_syscall_64+0xc6/0x1e0 [ 9217.830937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9217.830937][ T10] [ 9217.832951][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9217.832951][ T10] netdev_get_by_index+0x5e/0x80 [ 9217.832951][ T10] fib6_nh_init+0x3d8/0x1580 [ 9217.832951][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9217.832951][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9217.832951][ T10] ipv6_add_addr+0x411/0x2000 [ 9217.832951][ T10] inet6_addr_add+0x30e/0xa40 [ 9217.832951][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9217.832951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9217.832951][ T10] netlink_rcv_skb+0x130/0x360 [ 9217.832951][ T10] netlink_unicast+0x449/0x710 [ 9217.832951][ T10] netlink_sendmsg+0x723/0xbe0 [ 9217.832951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9217.832951][ T10] ___sys_sendmsg+0xee/0x170 [ 9217.832951][ T10] __sys_sendmsg+0xcd/0x170 [ 9217.832951][ T10] do_syscall_64+0xc6/0x1e0 [ 9217.832951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9217.832951][ T10] [ 9217.834962][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9217.834962][ T10] netdev_get_by_index+0x5e/0x80 [ 9217.834962][ T10] fib6_nh_init+0x3d8/0x1580 [ 9217.834962][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9217.834962][ T10] ip6_route_add+0x1c/0x140 [ 9217.834962][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9217.834962][ T10] addrconf_add_dev+0xe2/0x170 [ 9217.834962][ T10] inet6_addr_add+0x12f/0xa40 [ 9217.834962][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9217.834962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9217.834962][ T10] netlink_rcv_skb+0x130/0x360 [ 9217.834962][ T10] netlink_unicast+0x449/0x710 [ 9217.834962][ T10] netlink_sendmsg+0x723/0xbe0 [ 9217.834962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9217.834962][ T10] ___sys_sendmsg+0xee/0x170 [ 9217.834962][ T10] __sys_sendmsg+0xcd/0x170 [ 9217.834962][ T10] do_syscall_64+0xc6/0x1e0 [ 9217.834962][ T10] [ 9217.836939][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9217.836939][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9217.836939][ T10] ipv6_find_idev+0x102/0x170 [ 9217.836939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9217.836939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9217.836939][ T10] netlink_rcv_skb+0x130/0x360 [ 9217.836939][ T10] netlink_unicast+0x449/0x710 [ 9217.836939][ T10] netlink_sendmsg+0x723/0xbe0 [ 9217.836939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9217.836939][ T10] ___sys_sendmsg+0xee/0x170 [ 9217.836939][ T10] __sys_sendmsg+0xcd/0x170 [ 9217.836939][ T10] do_syscall_64+0xc6/0x1e0 [ 9217.836939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9217.836939][ T10] [ 9217.838486][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9217.838486][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9217.838486][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9217.838486][ T10] ipv6_find_idev+0x102/0x170 [ 9217.838486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9217.838486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9217.838486][ T10] netlink_rcv_skb+0x130/0x360 [ 9217.838486][ T10] netlink_unicast+0x449/0x710 [ 9217.838486][ T10] netlink_sendmsg+0x723/0xbe0 [ 9217.838486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9217.838486][ T10] ___sys_sendmsg+0xee/0x170 [ 9217.838486][ T10] __sys_sendmsg+0xcd/0x170 [ 9217.838486][ T10] do_syscall_64+0xc6/0x1e0 [ 9217.838486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9217.838486][ T10] [ 9217.840177][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9217.840415][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9217.840415][ T10] netdev_get_by_index+0x5e/0x80 [ 9217.840415][ T10] fib6_nh_init+0x3d8/0x1580 [ 9217.840415][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9217.840415][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9217.840415][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9217.840415][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9217.840415][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9217.840415][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9217.840415][ T10] addrconf_dad_begin+0x310/0x670 [ 9217.840415][ T10] addrconf_dad_work+0x10b/0xab0 [ 9217.840415][ T10] process_one_work+0x84d/0x18a0 [ 9217.840415][ T10] worker_thread+0x587/0xd30 [ 9217.840415][ T10] kthread+0x28a/0x350 [ 9217.840415][ T10] ret_from_fork+0x31/0x70 [ 9217.840415][ T10] ret_from_fork_asm+0x1a/0x30 [ 9217.840415][ T10] [ 9217.842331][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9217.842331][ T10] netdev_get_by_index+0x5e/0x80 [ 9217.842331][ T10] fib6_nh_init+0x3d8/0x1580 [ 9217.842331][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9217.842331][ T10] ip6_route_add+0x1c/0x140 [ 9217.842331][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9217.842331][ T10] inet6_addr_add+0x4f8/0xa40 [ 9217.842331][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9217.842331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9217.842331][ T10] netlink_rcv_skb+0x130/0x360 [ 9217.842331][ T10] netlink_unicast+0x449/0x710 [ 9217.842331][ T10] netlink_sendmsg+0x723/0xbe0 [ 9217.842331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9217.842331][ T10] ___sys_sendmsg+0xee/0x170 [ 9217.842331][ T10] __sys_sendmsg+0xcd/0x170 [ 9217.842331][ T10] do_syscall_64+0xc6/0x1e0 [ 9217.842331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9217.842331][ T10] [ 9217.844533][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9217.844533][ T10] netdev_get_by_index+0x5e/0x80 [ 9217.844533][ T10] fib6_nh_init+0x3d8/0x1580 [ 9217.844533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9217.844533][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9217.844533][ T10] ipv6_add_addr+0x411/0x2000 [ 9217.844533][ T10] inet6_addr_add+0x30e/0xa40 [ 9217.844533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9217.844533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9217.844533][ T10] netlink_rcv_skb+0x130/0x360 [ 9217.844533][ T10] netlink_unicast+0x449/0x710 [ 9217.844533][ T10] netlink_sendmsg+0x723/0xbe0 [ 9217.844533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9217.844533][ T10] ___sys_sendmsg+0xee/0x170 [ 9217.844533][ T10] __sys_sendmsg+0xcd/0x170 [ 9217.844533][ T10] do_syscall_64+0xc6/0x1e0 [ 9217.844533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9217.844533][ T10] [ 9217.846818][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9217.846818][ T10] netdev_get_by_index+0x5e/0x80 [ 9217.846818][ T10] fib6_nh_init+0x3d8/0x1580 [ 9217.846818][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9217.846818][ T10] ip6_route_add+0x1c/0x140 [ 9217.846818][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9217.846818][ T10] addrconf_add_dev+0xe2/0x170 [ 9217.846818][ T10] inet6_addr_add+0x12f/0xa40 [ 9217.846818][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9217.846818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9217.846818][ T10] netlink_rcv_skb+0x130/0x360 [ 9217.846818][ T10] netlink_unicast+0x449/0x710 [ 9217.846818][ T10] netlink_sendmsg+0x723/0xbe0 [ 9217.846818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9217.846818][ T10] ___sys_sendmsg+0xee/0x170 [ 9217.846818][ T10] __sys_sendmsg+0xcd/0x170 [ 9217.846818][ T10] do_syscall_64+0xc6/0x1e0 [ 9217.846818][ T10] [ 9217.848970][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9217.848970][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9217.848970][ T10] ipv6_find_idev+0x102/0x170 [ 9217.848970][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9217.848970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9217.848970][ T10] netlink_rcv_skb+0x130/0x360 [ 9217.848970][ T10] netlink_unicast+0x449/0x710 [ 9217.848970][ T10] netlink_sendmsg+0x723/0xbe0 [ 9217.848970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9217.848970][ T10] ___sys_sendmsg+0xee/0x170 [ 9217.848970][ T10] __sys_sendmsg+0xcd/0x170 [ 9217.848970][ T10] do_syscall_64+0xc6/0x1e0 [ 9217.848970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9217.848970][ T10] [ 9217.850641][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9217.850641][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9217.850641][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9217.850641][ T10] ipv6_find_idev+0x102/0x170 [ 9217.850641][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9217.850641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9217.850641][ T10] netlink_rcv_skb+0x130/0x360 [ 9217.850641][ T10] netlink_unicast+0x449/0x710 [ 9217.850641][ T10] netlink_sendmsg+0x723/0xbe0 [ 9217.850641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9217.850641][ T10] ___sys_sendmsg+0xee/0x170 [ 9217.850641][ T10] __sys_sendmsg+0xcd/0x170 [ 9217.850641][ T10] do_syscall_64+0xc6/0x1e0 [ 9217.850641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9217.850641][ T10] [ 9217.852646][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9217.852887][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9217.852887][ T10] netdev_get_by_index+0x5e/0x80 [ 9217.852887][ T10] fib6_nh_init+0x3d8/0x1580 [ 9217.852887][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9217.852887][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9217.852887][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9217.852887][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9217.852887][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9217.852887][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9217.852887][ T10] addrconf_dad_begin+0x310/0x670 [ 9217.852887][ T10] addrconf_dad_work+0x10b/0xab0 [ 9217.852887][ T10] process_one_work+0x84d/0x18a0 [ 9217.852887][ T10] worker_thread+0x587/0xd30 [ 9217.852887][ T10] kthread+0x28a/0x350 [ 9217.852887][ T10] ret_from_fork+0x31/0x70 [ 9217.852887][ T10] ret_from_fork_asm+0x1a/0x30 [ 9217.852887][ T10] [ 9217.855069][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9217.855069][ T10] netdev_get_by_index+0x5e/0x80 [ 9217.855069][ T10] fib6_nh_init+0x3d8/0x1580 [ 9217.855069][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9217.855069][ T10] ip6_route_add+0x1c/0x140 [ 9217.855069][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9217.855069][ T10] inet6_addr_add+0x4f8/0xa40 [ 9217.855069][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9217.855069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9217.855069][ T10] netlink_rcv_skb+0x130/0x360 [ 9217.855069][ T10] netlink_unicast+0x449/0x710 [ 9217.855069][ T10] netlink_sendmsg+0x723/0xbe0 [ 9217.855069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9217.855069][ T10] ___sys_sendmsg+0xee/0x170 [ 9217.855069][ T10] __sys_sendmsg+0xcd/0x170 [ 9217.855069][ T10] do_syscall_64+0xc6/0x1e0 [ 9217.855069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9217.855069][ T10] [ 9217.857247][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9217.857247][ T10] netdev_get_by_index+0x5e/0x80 [ 9217.857247][ T10] fib6_nh_init+0x3d8/0x1580 [ 9217.857247][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9217.857247][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9217.857247][ T10] ipv6_add_addr+0x411/0x2000 [ 9217.857247][ T10] inet6_addr_add+0x30e/0xa40 [ 9217.857247][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9217.857247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9217.857247][ T10] netlink_rcv_skb+0x130/0x360 [ 9217.857247][ T10] netlink_unicast+0x449/0x710 [ 9217.857247][ T10] netlink_sendmsg+0x723/0xbe0 [ 9217.857247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9217.857247][ T10] ___sys_sendmsg+0xee/0x170 [ 9217.857247][ T10] __sys_sendmsg+0xcd/0x170 [ 9217.857247][ T10] do_syscall_64+0xc6/0x1e0 [ 9217.857247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9217.857247][ T10] [ 9217.859488][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9217.859488][ T10] netdev_get_by_index+0x5e/0x80 [ 9217.859488][ T10] fib6_nh_init+0x3d8/0x1580 [ 9217.859488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9217.859488][ T10] ip6_route_add+0x1c/0x140 [ 9217.859488][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9217.859488][ T10] addrconf_add_dev+0xe2/0x170 [ 9217.859488][ T10] inet6_addr_add+0x12f/0xa40 [ 9217.859488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9217.859488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9217.859488][ T10] netlink_rcv_skb+0x130/0x360 [ 9217.859488][ T10] netlink_unicast+0x449/0x710 [ 9217.859488][ T10] netlink_sendmsg+0x723/0xbe0 [ 9217.859488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9217.859488][ T10] ___sys_sendmsg+0xee/0x170 [ 9217.859488][ T10] __sys_sendmsg+0xcd/0x170 [ 9217.859488][ T10] do_syscall_64+0xc6/0x1e0 [ 9217.859488][ T10] [ 9217.861752][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9217.861752][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9217.861752][ T10] ipv6_find_idev+0x102/0x170 [ 9217.861752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9217.861752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9217.861752][ T10] netlink_rcv_skb+0x130/0x360 [ 9217.861752][ T10] netlink_unicast+0x449/0x710 [ 9217.861752][ T10] netlink_sendmsg+0x723/0xbe0 [ 9217.861752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9217.861752][ T10] ___sys_sendmsg+0xee/0x170 [ 9217.861752][ T10] __sys_sendmsg+0xcd/0x170 [ 9217.861752][ T10] do_syscall_64+0xc6/0x1e0 [ 9217.861752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9217.861752][ T10] [ 9217.863472][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9217.863472][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9217.863472][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9217.863472][ T10] ipv6_find_idev+0x102/0x170 [ 9217.863472][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9217.863472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9217.863472][ T10] netlink_rcv_skb+0x130/0x360 [ 9217.863472][ T10] netlink_unicast+0x449/0x710 [ 9217.863472][ T10] netlink_sendmsg+0x723/0xbe0 [ 9217.863472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9217.863472][ T10] ___sys_sendmsg+0xee/0x170 [ 9217.863472][ T10] __sys_sendmsg+0xcd/0x170 [ 9217.863472][ T10] do_syscall_64+0xc6/0x1e0 [ 9217.863472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9217.863472][ T10] [ 9223.369110][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9223.369600][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9223.369600][ T1167] dst_init+0x84/0x4a0 [ 9223.369600][ T1167] dst_alloc+0x97/0x150 [ 9223.369600][ T1167] ip6_dst_alloc+0x23/0x90 [ 9223.369600][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9223.369600][ T1167] ip6_pol_route+0x56f/0x840 [ 9223.369600][ T1167] fib6_rule_lookup+0x334/0x630 [ 9223.369600][ T1167] ip6_route_output_flags+0x259/0x480 [ 9223.369600][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9223.369600][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9223.369600][ T1167] netlink_rcv_skb+0x130/0x360 [ 9223.369600][ T1167] netlink_unicast+0x449/0x710 [ 9223.369600][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9223.369600][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9223.369600][ T1167] ___sys_sendmsg+0xee/0x170 [ 9223.369600][ T1167] __sys_sendmsg+0xcd/0x170 [ 9223.369600][ T1167] do_syscall_64+0xc6/0x1e0 [ 9223.369600][ T1167] [ 9223.371815][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9223.371815][ T1167] netdev_get_by_index+0x5e/0x80 [ 9223.371815][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9223.371815][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9223.371815][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9223.371815][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9223.371815][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9223.371815][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9223.371815][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9223.371815][ T1167] addrconf_dad_begin+0x310/0x670 [ 9223.371815][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9223.371815][ T1167] process_one_work+0x84d/0x18a0 [ 9223.371815][ T1167] worker_thread+0x587/0xd30 [ 9223.371815][ T1167] kthread+0x28a/0x350 [ 9223.371815][ T1167] ret_from_fork+0x31/0x70 [ 9223.371815][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9223.371815][ T1167] [ 9223.373973][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9223.373973][ T1167] netdev_get_by_index+0x5e/0x80 [ 9223.373973][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9223.373973][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9223.373973][ T1167] ip6_route_add+0x1c/0x140 [ 9223.373973][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9223.373973][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9223.373973][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9223.373973][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9223.373973][ T1167] netlink_rcv_skb+0x130/0x360 [ 9223.373973][ T1167] netlink_unicast+0x449/0x710 [ 9223.373973][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9223.373973][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9223.373973][ T1167] ___sys_sendmsg+0xee/0x170 [ 9223.373973][ T1167] __sys_sendmsg+0xcd/0x170 [ 9223.373973][ T1167] do_syscall_64+0xc6/0x1e0 [ 9223.373973][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9223.373973][ T1167] [ 9223.376246][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9223.376246][ T1167] netdev_get_by_index+0x5e/0x80 [ 9223.376246][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9223.376246][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9223.376246][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9223.376246][ T1167] ipv6_add_addr+0x411/0x2000 [ 9223.376246][ T1167] inet6_addr_add+0x30e/0xa40 [ 9223.376246][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9223.376246][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9223.376246][ T1167] netlink_rcv_skb+0x130/0x360 [ 9223.376246][ T1167] netlink_unicast+0x449/0x710 [ 9223.376246][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9223.376246][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9223.376246][ T1167] ___sys_sendmsg+0xee/0x170 [ 9223.376246][ T1167] __sys_sendmsg+0xcd/0x170 [ 9223.376246][ T1167] do_syscall_64+0xc6/0x1e0 [ 9223.376246][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9223.376246][ T1167] [ 9223.378502][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9223.378502][ T1167] netdev_get_by_index+0x5e/0x80 [ 9223.378502][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9223.378502][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9223.378502][ T1167] ip6_route_add+0x1c/0x140 [ 9223.378502][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9223.378502][ T1167] addrconf_add_dev+0xe2/0x170 [ 9223.378502][ T1167] inet6_addr_add+0x12f/0xa40 [ 9223.378502][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9223.378502][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9223.378502][ T1167] netlink_rcv_skb+0x130/0x360 [ 9223.378502][ T1167] netlink_unicast+0x449/0x710 [ 9223.378502][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9223.378502][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9223.378502][ T1167] ___sys_sendmsg+0xee/0x170 [ 9223.378502][ T1167] __sys_sendmsg+0xcd/0x170 [ 9223.378502][ T1167] do_syscall_64+0xc6/0x1e0 [ 9223.378502][ T1167] [ 9223.380715][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9223.380715][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9223.380715][ T1167] ipv6_find_idev+0x102/0x170 [ 9223.380715][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9223.380715][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9223.380715][ T1167] netlink_rcv_skb+0x130/0x360 [ 9223.380715][ T1167] netlink_unicast+0x449/0x710 [ 9223.380715][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9223.380715][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9223.380715][ T1167] ___sys_sendmsg+0xee/0x170 [ 9223.380715][ T1167] __sys_sendmsg+0xcd/0x170 [ 9223.380715][ T1167] do_syscall_64+0xc6/0x1e0 [ 9223.380715][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9223.380715][ T1167] [ 9223.382444][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9223.382444][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9223.382444][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9223.382444][ T1167] ipv6_find_idev+0x102/0x170 [ 9223.382444][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9223.382444][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9223.382444][ T1167] netlink_rcv_skb+0x130/0x360 [ 9223.382444][ T1167] netlink_unicast+0x449/0x710 [ 9223.382444][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9223.382444][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9223.382444][ T1167] ___sys_sendmsg+0xee/0x170 [ 9223.382444][ T1167] __sys_sendmsg+0xcd/0x170 [ 9223.382444][ T1167] do_syscall_64+0xc6/0x1e0 [ 9223.382444][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9223.382444][ T1167] [ 9228.105047][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9228.105401][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9228.105401][ T10] netdev_get_by_index+0x5e/0x80 [ 9228.105401][ T10] fib6_nh_init+0x3d8/0x1580 [ 9228.105401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9228.105401][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9228.105401][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9228.105401][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9228.105401][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9228.105401][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9228.105401][ T10] addrconf_dad_begin+0x310/0x670 [ 9228.105401][ T10] addrconf_dad_work+0x10b/0xab0 [ 9228.105401][ T10] process_one_work+0x84d/0x18a0 [ 9228.105401][ T10] worker_thread+0x587/0xd30 [ 9228.105401][ T10] kthread+0x28a/0x350 [ 9228.105401][ T10] ret_from_fork+0x31/0x70 [ 9228.105401][ T10] ret_from_fork_asm+0x1a/0x30 [ 9228.105401][ T10] [ 9228.107872][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9228.107872][ T10] netdev_get_by_index+0x5e/0x80 [ 9228.107872][ T10] fib6_nh_init+0x3d8/0x1580 [ 9228.107872][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9228.107872][ T10] ip6_route_add+0x1c/0x140 [ 9228.107872][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9228.107872][ T10] inet6_addr_add+0x4f8/0xa40 [ 9228.107872][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9228.107872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9228.107872][ T10] netlink_rcv_skb+0x130/0x360 [ 9228.107872][ T10] netlink_unicast+0x449/0x710 [ 9228.107872][ T10] netlink_sendmsg+0x723/0xbe0 [ 9228.107872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9228.107872][ T10] ___sys_sendmsg+0xee/0x170 [ 9228.107872][ T10] __sys_sendmsg+0xcd/0x170 [ 9228.107872][ T10] do_syscall_64+0xc6/0x1e0 [ 9228.107872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9228.107872][ T10] [ 9228.109885][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9228.109885][ T10] netdev_get_by_index+0x5e/0x80 [ 9228.109885][ T10] fib6_nh_init+0x3d8/0x1580 [ 9228.109885][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9228.109885][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9228.109885][ T10] ipv6_add_addr+0x411/0x2000 [ 9228.109885][ T10] inet6_addr_add+0x30e/0xa40 [ 9228.109885][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9228.109885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9228.109885][ T10] netlink_rcv_skb+0x130/0x360 [ 9228.109885][ T10] netlink_unicast+0x449/0x710 [ 9228.109885][ T10] netlink_sendmsg+0x723/0xbe0 [ 9228.109885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9228.109885][ T10] ___sys_sendmsg+0xee/0x170 [ 9228.109885][ T10] __sys_sendmsg+0xcd/0x170 [ 9228.109885][ T10] do_syscall_64+0xc6/0x1e0 [ 9228.109885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9228.109885][ T10] [ 9228.111888][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9228.111888][ T10] netdev_get_by_index+0x5e/0x80 [ 9228.111888][ T10] fib6_nh_init+0x3d8/0x1580 [ 9228.111888][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9228.111888][ T10] ip6_route_add+0x1c/0x140 [ 9228.111888][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9228.111888][ T10] addrconf_add_dev+0xe2/0x170 [ 9228.111888][ T10] inet6_addr_add+0x12f/0xa40 [ 9228.111888][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9228.111888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9228.111888][ T10] netlink_rcv_skb+0x130/0x360 [ 9228.111888][ T10] netlink_unicast+0x449/0x710 [ 9228.111888][ T10] netlink_sendmsg+0x723/0xbe0 [ 9228.111888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9228.111888][ T10] ___sys_sendmsg+0xee/0x170 [ 9228.111888][ T10] __sys_sendmsg+0xcd/0x170 [ 9228.111888][ T10] do_syscall_64+0xc6/0x1e0 [ 9228.111888][ T10] [ 9228.113858][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9228.113858][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9228.113858][ T10] ipv6_find_idev+0x102/0x170 [ 9228.113858][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9228.113858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9228.113858][ T10] netlink_rcv_skb+0x130/0x360 [ 9228.113858][ T10] netlink_unicast+0x449/0x710 [ 9228.113858][ T10] netlink_sendmsg+0x723/0xbe0 [ 9228.113858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9228.113858][ T10] ___sys_sendmsg+0xee/0x170 [ 9228.113858][ T10] __sys_sendmsg+0xcd/0x170 [ 9228.113858][ T10] do_syscall_64+0xc6/0x1e0 [ 9228.113858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9228.113858][ T10] [ 9228.115415][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9228.115415][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9228.115415][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9228.115415][ T10] ipv6_find_idev+0x102/0x170 [ 9228.115415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9228.115415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9228.115415][ T10] netlink_rcv_skb+0x130/0x360 [ 9228.115415][ T10] netlink_unicast+0x449/0x710 [ 9228.115415][ T10] netlink_sendmsg+0x723/0xbe0 [ 9228.115415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9228.115415][ T10] ___sys_sendmsg+0xee/0x170 [ 9228.115415][ T10] __sys_sendmsg+0xcd/0x170 [ 9228.115415][ T10] do_syscall_64+0xc6/0x1e0 [ 9228.115415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9228.115415][ T10] [ 9228.117130][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9228.117371][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9228.117371][ T10] netdev_get_by_index+0x5e/0x80 [ 9228.117371][ T10] fib6_nh_init+0x3d8/0x1580 [ 9228.117371][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9228.117371][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9228.117371][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9228.117371][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9228.117371][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9228.117371][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9228.117371][ T10] addrconf_dad_begin+0x310/0x670 [ 9228.117371][ T10] addrconf_dad_work+0x10b/0xab0 [ 9228.117371][ T10] process_one_work+0x84d/0x18a0 [ 9228.117371][ T10] worker_thread+0x587/0xd30 [ 9228.117371][ T10] kthread+0x28a/0x350 [ 9228.117371][ T10] ret_from_fork+0x31/0x70 [ 9228.117371][ T10] ret_from_fork_asm+0x1a/0x30 [ 9228.117371][ T10] [ 9228.119301][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9228.119301][ T10] netdev_get_by_index+0x5e/0x80 [ 9228.119301][ T10] fib6_nh_init+0x3d8/0x1580 [ 9228.119301][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9228.119301][ T10] ip6_route_add+0x1c/0x140 [ 9228.119301][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9228.119301][ T10] inet6_addr_add+0x4f8/0xa40 [ 9228.119301][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9228.119301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9228.119301][ T10] netlink_rcv_skb+0x130/0x360 [ 9228.119301][ T10] netlink_unicast+0x449/0x710 [ 9228.119301][ T10] netlink_sendmsg+0x723/0xbe0 [ 9228.119301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9228.119301][ T10] ___sys_sendmsg+0xee/0x170 [ 9228.119301][ T10] __sys_sendmsg+0xcd/0x170 [ 9228.119301][ T10] do_syscall_64+0xc6/0x1e0 [ 9228.119301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9228.119301][ T10] [ 9228.121310][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9228.121310][ T10] netdev_get_by_index+0x5e/0x80 [ 9228.121310][ T10] fib6_nh_init+0x3d8/0x1580 [ 9228.121310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9228.121310][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9228.121310][ T10] ipv6_add_addr+0x411/0x2000 [ 9228.121310][ T10] inet6_addr_add+0x30e/0xa40 [ 9228.121310][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9228.121310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9228.121310][ T10] netlink_rcv_skb+0x130/0x360 [ 9228.121310][ T10] netlink_unicast+0x449/0x710 [ 9228.121310][ T10] netlink_sendmsg+0x723/0xbe0 [ 9228.121310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9228.121310][ T10] ___sys_sendmsg+0xee/0x170 [ 9228.121310][ T10] __sys_sendmsg+0xcd/0x170 [ 9228.121310][ T10] do_syscall_64+0xc6/0x1e0 [ 9228.121310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9228.121310][ T10] [ 9228.123322][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9228.123322][ T10] netdev_get_by_index+0x5e/0x80 [ 9228.123322][ T10] fib6_nh_init+0x3d8/0x1580 [ 9228.123322][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9228.123322][ T10] ip6_route_add+0x1c/0x140 [ 9228.123322][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9228.123322][ T10] addrconf_add_dev+0xe2/0x170 [ 9228.123322][ T10] inet6_addr_add+0x12f/0xa40 [ 9228.123322][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9228.123322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9228.123322][ T10] netlink_rcv_skb+0x130/0x360 [ 9228.123322][ T10] netlink_unicast+0x449/0x710 [ 9228.123322][ T10] netlink_sendmsg+0x723/0xbe0 [ 9228.123322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9228.123322][ T10] ___sys_sendmsg+0xee/0x170 [ 9228.123322][ T10] __sys_sendmsg+0xcd/0x170 [ 9228.123322][ T10] do_syscall_64+0xc6/0x1e0 [ 9228.123322][ T10] [ 9228.125300][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9228.125300][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9228.125300][ T10] ipv6_find_idev+0x102/0x170 [ 9228.125300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9228.125300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9228.125300][ T10] netlink_rcv_skb+0x130/0x360 [ 9228.125300][ T10] netlink_unicast+0x449/0x710 [ 9228.125300][ T10] netlink_sendmsg+0x723/0xbe0 [ 9228.125300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9228.125300][ T10] ___sys_sendmsg+0xee/0x170 [ 9228.125300][ T10] __sys_sendmsg+0xcd/0x170 [ 9228.125300][ T10] do_syscall_64+0xc6/0x1e0 [ 9228.125300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9228.125300][ T10] [ 9228.126848][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9228.126848][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9228.126848][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9228.126848][ T10] ipv6_find_idev+0x102/0x170 [ 9228.126848][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9228.126848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9228.126848][ T10] netlink_rcv_skb+0x130/0x360 [ 9228.126848][ T10] netlink_unicast+0x449/0x710 [ 9228.126848][ T10] netlink_sendmsg+0x723/0xbe0 [ 9228.126848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9228.126848][ T10] ___sys_sendmsg+0xee/0x170 [ 9228.126848][ T10] __sys_sendmsg+0xcd/0x170 [ 9228.126848][ T10] do_syscall_64+0xc6/0x1e0 [ 9228.126848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9228.126848][ T10] [ 9228.128537][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9228.128778][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9228.128778][ T10] netdev_get_by_index+0x5e/0x80 [ 9228.128778][ T10] fib6_nh_init+0x3d8/0x1580 [ 9228.128778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9228.128778][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9228.128778][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9228.128778][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9228.128778][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9228.128778][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9228.128778][ T10] addrconf_dad_begin+0x310/0x670 [ 9228.128778][ T10] addrconf_dad_work+0x10b/0xab0 [ 9228.128778][ T10] process_one_work+0x84d/0x18a0 [ 9228.128778][ T10] worker_thread+0x587/0xd30 [ 9228.128778][ T10] kthread+0x28a/0x350 [ 9228.128778][ T10] ret_from_fork+0x31/0x70 [ 9228.128778][ T10] ret_from_fork_asm+0x1a/0x30 [ 9228.128778][ T10] [ 9228.130694][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9228.130694][ T10] netdev_get_by_index+0x5e/0x80 [ 9228.130694][ T10] fib6_nh_init+0x3d8/0x1580 [ 9228.130694][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9228.130694][ T10] ip6_route_add+0x1c/0x140 [ 9228.130694][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9228.130694][ T10] inet6_addr_add+0x4f8/0xa40 [ 9228.130694][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9228.130694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9228.130694][ T10] netlink_rcv_skb+0x130/0x360 [ 9228.130694][ T10] netlink_unicast+0x449/0x710 [ 9228.130694][ T10] netlink_sendmsg+0x723/0xbe0 [ 9228.130694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9228.130694][ T10] ___sys_sendmsg+0xee/0x170 [ 9228.130694][ T10] __sys_sendmsg+0xcd/0x170 [ 9228.130694][ T10] do_syscall_64+0xc6/0x1e0 [ 9228.130694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9228.130694][ T10] [ 9228.132887][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9228.132887][ T10] netdev_get_by_index+0x5e/0x80 [ 9228.132887][ T10] fib6_nh_init+0x3d8/0x1580 [ 9228.132887][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9228.132887][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9228.132887][ T10] ipv6_add_addr+0x411/0x2000 [ 9228.132887][ T10] inet6_addr_add+0x30e/0xa40 [ 9228.132887][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9228.132887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9228.132887][ T10] netlink_rcv_skb+0x130/0x360 [ 9228.132887][ T10] netlink_unicast+0x449/0x710 [ 9228.132887][ T10] netlink_sendmsg+0x723/0xbe0 [ 9228.132887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9228.132887][ T10] ___sys_sendmsg+0xee/0x170 [ 9228.132887][ T10] __sys_sendmsg+0xcd/0x170 [ 9228.132887][ T10] do_syscall_64+0xc6/0x1e0 [ 9228.132887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9228.132887][ T10] [ 9228.135198][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9228.135198][ T10] netdev_get_by_index+0x5e/0x80 [ 9228.135198][ T10] fib6_nh_init+0x3d8/0x1580 [ 9228.135198][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9228.135198][ T10] ip6_route_add+0x1c/0x140 [ 9228.135198][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9228.135198][ T10] addrconf_add_dev+0xe2/0x170 [ 9228.135198][ T10] inet6_addr_add+0x12f/0xa40 [ 9228.135198][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9228.135198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9228.135198][ T10] netlink_rcv_skb+0x130/0x360 [ 9228.135198][ T10] netlink_unicast+0x449/0x710 [ 9228.135198][ T10] netlink_sendmsg+0x723/0xbe0 [ 9228.135198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9228.135198][ T10] ___sys_sendmsg+0xee/0x170 [ 9228.135198][ T10] __sys_sendmsg+0xcd/0x170 [ 9228.135198][ T10] do_syscall_64+0xc6/0x1e0 [ 9228.135198][ T10] [ 9228.137343][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9228.137343][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9228.137343][ T10] ipv6_find_idev+0x102/0x170 [ 9228.137343][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9228.137343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9228.137343][ T10] netlink_rcv_skb+0x130/0x360 [ 9228.137343][ T10] netlink_unicast+0x449/0x710 [ 9228.137343][ T10] netlink_sendmsg+0x723/0xbe0 [ 9228.137343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9228.137343][ T10] ___sys_sendmsg+0xee/0x170 [ 9228.137343][ T10] __sys_sendmsg+0xcd/0x170 [ 9228.137343][ T10] do_syscall_64+0xc6/0x1e0 [ 9228.137343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9228.137343][ T10] [ 9228.139066][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9228.139066][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9228.139066][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9228.139066][ T10] ipv6_find_idev+0x102/0x170 [ 9228.139066][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9228.139066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9228.139066][ T10] netlink_rcv_skb+0x130/0x360 [ 9228.139066][ T10] netlink_unicast+0x449/0x710 [ 9228.139066][ T10] netlink_sendmsg+0x723/0xbe0 [ 9228.139066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9228.139066][ T10] ___sys_sendmsg+0xee/0x170 [ 9228.139066][ T10] __sys_sendmsg+0xcd/0x170 [ 9228.139066][ T10] do_syscall_64+0xc6/0x1e0 [ 9228.139066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9228.139066][ T10] [ 9228.141000][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9228.141237][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9228.141237][ T10] netdev_get_by_index+0x5e/0x80 [ 9228.141237][ T10] fib6_nh_init+0x3d8/0x1580 [ 9228.141237][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9228.141237][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9228.141237][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9228.141237][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9228.141237][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9228.141237][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9228.141237][ T10] addrconf_dad_begin+0x310/0x670 [ 9228.141237][ T10] addrconf_dad_work+0x10b/0xab0 [ 9228.141237][ T10] process_one_work+0x84d/0x18a0 [ 9228.141237][ T10] worker_thread+0x587/0xd30 [ 9228.141237][ T10] kthread+0x28a/0x350 [ 9228.141237][ T10] ret_from_fork+0x31/0x70 [ 9228.141237][ T10] ret_from_fork_asm+0x1a/0x30 [ 9228.141237][ T10] [ 9228.143454][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9228.143454][ T10] netdev_get_by_index+0x5e/0x80 [ 9228.143454][ T10] fib6_nh_init+0x3d8/0x1580 [ 9228.143454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9228.143454][ T10] ip6_route_add+0x1c/0x140 [ 9228.143454][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9228.143454][ T10] inet6_addr_add+0x4f8/0xa40 [ 9228.143454][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9228.143454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9228.143454][ T10] netlink_rcv_skb+0x130/0x360 [ 9228.143454][ T10] netlink_unicast+0x449/0x710 [ 9228.143454][ T10] netlink_sendmsg+0x723/0xbe0 [ 9228.143454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9228.143454][ T10] ___sys_sendmsg+0xee/0x170 [ 9228.143454][ T10] __sys_sendmsg+0xcd/0x170 [ 9228.143454][ T10] do_syscall_64+0xc6/0x1e0 [ 9228.143454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9228.143454][ T10] [ 9228.145646][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9228.145646][ T10] netdev_get_by_index+0x5e/0x80 [ 9228.145646][ T10] fib6_nh_init+0x3d8/0x1580 [ 9228.145646][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9228.145646][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9228.145646][ T10] ipv6_add_addr+0x411/0x2000 [ 9228.145646][ T10] inet6_addr_add+0x30e/0xa40 [ 9228.145646][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9228.145646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9228.145646][ T10] netlink_rcv_skb+0x130/0x360 [ 9228.145646][ T10] netlink_unicast+0x449/0x710 [ 9228.145646][ T10] netlink_sendmsg+0x723/0xbe0 [ 9228.145646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9228.145646][ T10] ___sys_sendmsg+0xee/0x170 [ 9228.145646][ T10] __sys_sendmsg+0xcd/0x170 [ 9228.145646][ T10] do_syscall_64+0xc6/0x1e0 [ 9228.145646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9228.145646][ T10] [ 9228.147898][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9228.147898][ T10] netdev_get_by_index+0x5e/0x80 [ 9228.147898][ T10] fib6_nh_init+0x3d8/0x1580 [ 9228.147898][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9228.147898][ T10] ip6_route_add+0x1c/0x140 [ 9228.147898][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9228.147898][ T10] addrconf_add_dev+0xe2/0x170 [ 9228.147898][ T10] inet6_addr_add+0x12f/0xa40 [ 9228.147898][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9228.147898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9228.147898][ T10] netlink_rcv_skb+0x130/0x360 [ 9228.147898][ T10] netlink_unicast+0x449/0x710 [ 9228.147898][ T10] netlink_sendmsg+0x723/0xbe0 [ 9228.147898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9228.147898][ T10] ___sys_sendmsg+0xee/0x170 [ 9228.147898][ T10] __sys_sendmsg+0xcd/0x170 [ 9228.147898][ T10] do_syscall_64+0xc6/0x1e0 [ 9228.147898][ T10] [ 9228.150152][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9228.150152][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9228.150152][ T10] ipv6_find_idev+0x102/0x170 [ 9228.150152][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9228.150152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9228.150152][ T10] netlink_rcv_skb+0x130/0x360 [ 9228.150152][ T10] netlink_unicast+0x449/0x710 [ 9228.150152][ T10] netlink_sendmsg+0x723/0xbe0 [ 9228.150152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9228.150152][ T10] ___sys_sendmsg+0xee/0x170 [ 9228.150152][ T10] __sys_sendmsg+0xcd/0x170 [ 9228.150152][ T10] do_syscall_64+0xc6/0x1e0 [ 9228.150152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9228.150152][ T10] [ 9228.151880][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9228.151880][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9228.151880][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9228.151880][ T10] ipv6_find_idev+0x102/0x170 [ 9228.151880][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9228.151880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9228.151880][ T10] netlink_rcv_skb+0x130/0x360 [ 9228.151880][ T10] netlink_unicast+0x449/0x710 [ 9228.151880][ T10] netlink_sendmsg+0x723/0xbe0 [ 9228.151880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9228.151880][ T10] ___sys_sendmsg+0xee/0x170 [ 9228.151880][ T10] __sys_sendmsg+0xcd/0x170 [ 9228.151880][ T10] do_syscall_64+0xc6/0x1e0 [ 9228.151880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9228.151880][ T10] [ 9233.481144][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9233.481627][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9233.481627][ T1167] dst_init+0x84/0x4a0 [ 9233.481627][ T1167] dst_alloc+0x97/0x150 [ 9233.481627][ T1167] ip6_dst_alloc+0x23/0x90 [ 9233.481627][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9233.481627][ T1167] ip6_pol_route+0x56f/0x840 [ 9233.481627][ T1167] fib6_rule_lookup+0x334/0x630 [ 9233.481627][ T1167] ip6_route_output_flags+0x259/0x480 [ 9233.481627][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9233.481627][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9233.481627][ T1167] netlink_rcv_skb+0x130/0x360 [ 9233.481627][ T1167] netlink_unicast+0x449/0x710 [ 9233.481627][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9233.481627][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9233.481627][ T1167] ___sys_sendmsg+0xee/0x170 [ 9233.481627][ T1167] __sys_sendmsg+0xcd/0x170 [ 9233.481627][ T1167] do_syscall_64+0xc6/0x1e0 [ 9233.481627][ T1167] [ 9233.483831][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9233.483831][ T1167] netdev_get_by_index+0x5e/0x80 [ 9233.483831][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9233.483831][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9233.483831][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9233.483831][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9233.483831][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9233.483831][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9233.483831][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9233.483831][ T1167] addrconf_dad_begin+0x310/0x670 [ 9233.483831][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9233.483831][ T1167] process_one_work+0x84d/0x18a0 [ 9233.483831][ T1167] worker_thread+0x587/0xd30 [ 9233.483831][ T1167] kthread+0x28a/0x350 [ 9233.483831][ T1167] ret_from_fork+0x31/0x70 [ 9233.483831][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9233.483831][ T1167] [ 9233.485971][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9233.485971][ T1167] netdev_get_by_index+0x5e/0x80 [ 9233.485971][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9233.485971][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9233.485971][ T1167] ip6_route_add+0x1c/0x140 [ 9233.485971][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9233.485971][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9233.485971][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9233.485971][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9233.485971][ T1167] netlink_rcv_skb+0x130/0x360 [ 9233.485971][ T1167] netlink_unicast+0x449/0x710 [ 9233.485971][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9233.485971][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9233.485971][ T1167] ___sys_sendmsg+0xee/0x170 [ 9233.485971][ T1167] __sys_sendmsg+0xcd/0x170 [ 9233.485971][ T1167] do_syscall_64+0xc6/0x1e0 [ 9233.485971][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9233.485971][ T1167] [ 9233.488719][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9233.488719][ T1167] netdev_get_by_index+0x5e/0x80 [ 9233.488719][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9233.488719][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9233.488719][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9233.488719][ T1167] ipv6_add_addr+0x411/0x2000 [ 9233.488719][ T1167] inet6_addr_add+0x30e/0xa40 [ 9233.488719][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9233.488719][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9233.488719][ T1167] netlink_rcv_skb+0x130/0x360 [ 9233.488719][ T1167] netlink_unicast+0x449/0x710 [ 9233.488719][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9233.488719][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9233.488719][ T1167] ___sys_sendmsg+0xee/0x170 [ 9233.488719][ T1167] __sys_sendmsg+0xcd/0x170 [ 9233.488719][ T1167] do_syscall_64+0xc6/0x1e0 [ 9233.488719][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9233.488719][ T1167] [ 9233.490946][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9233.490946][ T1167] netdev_get_by_index+0x5e/0x80 [ 9233.490946][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9233.490946][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9233.490946][ T1167] ip6_route_add+0x1c/0x140 [ 9233.490946][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9233.490946][ T1167] addrconf_add_dev+0xe2/0x170 [ 9233.490946][ T1167] inet6_addr_add+0x12f/0xa40 [ 9233.490946][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9233.490946][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9233.490946][ T1167] netlink_rcv_skb+0x130/0x360 [ 9233.490946][ T1167] netlink_unicast+0x449/0x710 [ 9233.490946][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9233.490946][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9233.490946][ T1167] ___sys_sendmsg+0xee/0x170 [ 9233.490946][ T1167] __sys_sendmsg+0xcd/0x170 [ 9233.490946][ T1167] do_syscall_64+0xc6/0x1e0 [ 9233.490946][ T1167] [ 9233.493144][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9233.493144][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9233.493144][ T1167] ipv6_find_idev+0x102/0x170 [ 9233.493144][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9233.493144][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9233.493144][ T1167] netlink_rcv_skb+0x130/0x360 [ 9233.493144][ T1167] netlink_unicast+0x449/0x710 [ 9233.493144][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9233.493144][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9233.493144][ T1167] ___sys_sendmsg+0xee/0x170 [ 9233.493144][ T1167] __sys_sendmsg+0xcd/0x170 [ 9233.493144][ T1167] do_syscall_64+0xc6/0x1e0 [ 9233.493144][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9233.493144][ T1167] [ 9233.494880][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9233.494880][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9233.494880][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9233.494880][ T1167] ipv6_find_idev+0x102/0x170 [ 9233.494880][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9233.494880][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9233.494880][ T1167] netlink_rcv_skb+0x130/0x360 [ 9233.494880][ T1167] netlink_unicast+0x449/0x710 [ 9233.494880][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9233.494880][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9233.494880][ T1167] ___sys_sendmsg+0xee/0x170 [ 9233.494880][ T1167] __sys_sendmsg+0xcd/0x170 [ 9233.494880][ T1167] do_syscall_64+0xc6/0x1e0 [ 9233.494880][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9233.494880][ T1167] [ 9238.393098][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9238.393503][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9238.393503][ T10] netdev_get_by_index+0x5e/0x80 [ 9238.393503][ T10] fib6_nh_init+0x3d8/0x1580 [ 9238.393503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9238.393503][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9238.393503][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9238.393503][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9238.393503][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9238.393503][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9238.393503][ T10] addrconf_dad_begin+0x310/0x670 [ 9238.393503][ T10] addrconf_dad_work+0x10b/0xab0 [ 9238.393503][ T10] process_one_work+0x84d/0x18a0 [ 9238.393503][ T10] worker_thread+0x587/0xd30 [ 9238.393503][ T10] kthread+0x28a/0x350 [ 9238.393503][ T10] ret_from_fork+0x31/0x70 [ 9238.393503][ T10] ret_from_fork_asm+0x1a/0x30 [ 9238.393503][ T10] [ 9238.395464][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9238.395464][ T10] netdev_get_by_index+0x5e/0x80 [ 9238.395464][ T10] fib6_nh_init+0x3d8/0x1580 [ 9238.395464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9238.395464][ T10] ip6_route_add+0x1c/0x140 [ 9238.395464][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9238.395464][ T10] inet6_addr_add+0x4f8/0xa40 [ 9238.395464][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9238.395464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9238.395464][ T10] netlink_rcv_skb+0x130/0x360 [ 9238.395464][ T10] netlink_unicast+0x449/0x710 [ 9238.395464][ T10] netlink_sendmsg+0x723/0xbe0 [ 9238.395464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9238.395464][ T10] ___sys_sendmsg+0xee/0x170 [ 9238.395464][ T10] __sys_sendmsg+0xcd/0x170 [ 9238.395464][ T10] do_syscall_64+0xc6/0x1e0 [ 9238.395464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9238.395464][ T10] [ 9238.397441][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9238.397441][ T10] netdev_get_by_index+0x5e/0x80 [ 9238.397441][ T10] fib6_nh_init+0x3d8/0x1580 [ 9238.397441][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9238.397441][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9238.397441][ T10] ipv6_add_addr+0x411/0x2000 [ 9238.397441][ T10] inet6_addr_add+0x30e/0xa40 [ 9238.397441][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9238.397441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9238.397441][ T10] netlink_rcv_skb+0x130/0x360 [ 9238.397441][ T10] netlink_unicast+0x449/0x710 [ 9238.397441][ T10] netlink_sendmsg+0x723/0xbe0 [ 9238.397441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9238.397441][ T10] ___sys_sendmsg+0xee/0x170 [ 9238.397441][ T10] __sys_sendmsg+0xcd/0x170 [ 9238.397441][ T10] do_syscall_64+0xc6/0x1e0 [ 9238.397441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9238.397441][ T10] [ 9238.399414][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9238.399414][ T10] netdev_get_by_index+0x5e/0x80 [ 9238.399414][ T10] fib6_nh_init+0x3d8/0x1580 [ 9238.399414][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9238.399414][ T10] ip6_route_add+0x1c/0x140 [ 9238.399414][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9238.399414][ T10] addrconf_add_dev+0xe2/0x170 [ 9238.399414][ T10] inet6_addr_add+0x12f/0xa40 [ 9238.399414][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9238.399414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9238.399414][ T10] netlink_rcv_skb+0x130/0x360 [ 9238.399414][ T10] netlink_unicast+0x449/0x710 [ 9238.399414][ T10] netlink_sendmsg+0x723/0xbe0 [ 9238.399414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9238.399414][ T10] ___sys_sendmsg+0xee/0x170 [ 9238.399414][ T10] __sys_sendmsg+0xcd/0x170 [ 9238.399414][ T10] do_syscall_64+0xc6/0x1e0 [ 9238.399414][ T10] [ 9238.401361][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9238.401361][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9238.401361][ T10] ipv6_find_idev+0x102/0x170 [ 9238.401361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9238.401361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9238.401361][ T10] netlink_rcv_skb+0x130/0x360 [ 9238.401361][ T10] netlink_unicast+0x449/0x710 [ 9238.401361][ T10] netlink_sendmsg+0x723/0xbe0 [ 9238.401361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9238.401361][ T10] ___sys_sendmsg+0xee/0x170 [ 9238.401361][ T10] __sys_sendmsg+0xcd/0x170 [ 9238.401361][ T10] do_syscall_64+0xc6/0x1e0 [ 9238.401361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9238.401361][ T10] [ 9238.402882][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9238.402882][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9238.402882][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9238.402882][ T10] ipv6_find_idev+0x102/0x170 [ 9238.402882][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9238.402882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9238.402882][ T10] netlink_rcv_skb+0x130/0x360 [ 9238.402882][ T10] netlink_unicast+0x449/0x710 [ 9238.402882][ T10] netlink_sendmsg+0x723/0xbe0 [ 9238.402882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9238.402882][ T10] ___sys_sendmsg+0xee/0x170 [ 9238.402882][ T10] __sys_sendmsg+0xcd/0x170 [ 9238.402882][ T10] do_syscall_64+0xc6/0x1e0 [ 9238.402882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9238.402882][ T10] [ 9238.404536][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9238.404778][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9238.404778][ T10] netdev_get_by_index+0x5e/0x80 [ 9238.404778][ T10] fib6_nh_init+0x3d8/0x1580 [ 9238.404778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9238.404778][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9238.404778][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9238.404778][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9238.404778][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9238.404778][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9238.404778][ T10] addrconf_dad_begin+0x310/0x670 [ 9238.404778][ T10] addrconf_dad_work+0x10b/0xab0 [ 9238.404778][ T10] process_one_work+0x84d/0x18a0 [ 9238.404778][ T10] worker_thread+0x587/0xd30 [ 9238.404778][ T10] kthread+0x28a/0x350 [ 9238.404778][ T10] ret_from_fork+0x31/0x70 [ 9238.404778][ T10] ret_from_fork_asm+0x1a/0x30 [ 9238.404778][ T10] [ 9238.406669][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9238.406669][ T10] netdev_get_by_index+0x5e/0x80 [ 9238.406669][ T10] fib6_nh_init+0x3d8/0x1580 [ 9238.406669][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9238.406669][ T10] ip6_route_add+0x1c/0x140 [ 9238.406669][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9238.406669][ T10] inet6_addr_add+0x4f8/0xa40 [ 9238.406669][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9238.406669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9238.406669][ T10] netlink_rcv_skb+0x130/0x360 [ 9238.406669][ T10] netlink_unicast+0x449/0x710 [ 9238.406669][ T10] netlink_sendmsg+0x723/0xbe0 [ 9238.406669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9238.406669][ T10] ___sys_sendmsg+0xee/0x170 [ 9238.406669][ T10] __sys_sendmsg+0xcd/0x170 [ 9238.406669][ T10] do_syscall_64+0xc6/0x1e0 [ 9238.406669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9238.406669][ T10] [ 9238.408671][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9238.408671][ T10] netdev_get_by_index+0x5e/0x80 [ 9238.408671][ T10] fib6_nh_init+0x3d8/0x1580 [ 9238.408671][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9238.408671][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9238.408671][ T10] ipv6_add_addr+0x411/0x2000 [ 9238.408671][ T10] inet6_addr_add+0x30e/0xa40 [ 9238.408671][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9238.408671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9238.408671][ T10] netlink_rcv_skb+0x130/0x360 [ 9238.408671][ T10] netlink_unicast+0x449/0x710 [ 9238.408671][ T10] netlink_sendmsg+0x723/0xbe0 [ 9238.408671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9238.408671][ T10] ___sys_sendmsg+0xee/0x170 [ 9238.408671][ T10] __sys_sendmsg+0xcd/0x170 [ 9238.408671][ T10] do_syscall_64+0xc6/0x1e0 [ 9238.408671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9238.408671][ T10] [ 9238.410665][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9238.410665][ T10] netdev_get_by_index+0x5e/0x80 [ 9238.410665][ T10] fib6_nh_init+0x3d8/0x1580 [ 9238.410665][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9238.410665][ T10] ip6_route_add+0x1c/0x140 [ 9238.410665][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9238.410665][ T10] addrconf_add_dev+0xe2/0x170 [ 9238.410665][ T10] inet6_addr_add+0x12f/0xa40 [ 9238.410665][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9238.410665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9238.410665][ T10] netlink_rcv_skb+0x130/0x360 [ 9238.410665][ T10] netlink_unicast+0x449/0x710 [ 9238.410665][ T10] netlink_sendmsg+0x723/0xbe0 [ 9238.410665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9238.410665][ T10] ___sys_sendmsg+0xee/0x170 [ 9238.410665][ T10] __sys_sendmsg+0xcd/0x170 [ 9238.410665][ T10] do_syscall_64+0xc6/0x1e0 [ 9238.410665][ T10] [ 9238.412610][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9238.412610][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9238.412610][ T10] ipv6_find_idev+0x102/0x170 [ 9238.412610][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9238.412610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9238.412610][ T10] netlink_rcv_skb+0x130/0x360 [ 9238.412610][ T10] netlink_unicast+0x449/0x710 [ 9238.412610][ T10] netlink_sendmsg+0x723/0xbe0 [ 9238.412610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9238.412610][ T10] ___sys_sendmsg+0xee/0x170 [ 9238.412610][ T10] __sys_sendmsg+0xcd/0x170 [ 9238.412610][ T10] do_syscall_64+0xc6/0x1e0 [ 9238.412610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9238.412610][ T10] [ 9238.414132][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9238.414132][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9238.414132][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9238.414132][ T10] ipv6_find_idev+0x102/0x170 [ 9238.414132][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9238.414132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9238.414132][ T10] netlink_rcv_skb+0x130/0x360 [ 9238.414132][ T10] netlink_unicast+0x449/0x710 [ 9238.414132][ T10] netlink_sendmsg+0x723/0xbe0 [ 9238.414132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9238.414132][ T10] ___sys_sendmsg+0xee/0x170 [ 9238.414132][ T10] __sys_sendmsg+0xcd/0x170 [ 9238.414132][ T10] do_syscall_64+0xc6/0x1e0 [ 9238.414132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9238.414132][ T10] [ 9238.415807][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9238.416057][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9238.416057][ T10] netdev_get_by_index+0x5e/0x80 [ 9238.416057][ T10] fib6_nh_init+0x3d8/0x1580 [ 9238.416057][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9238.416057][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9238.416057][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9238.416057][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9238.416057][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9238.416057][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9238.416057][ T10] addrconf_dad_begin+0x310/0x670 [ 9238.416057][ T10] addrconf_dad_work+0x10b/0xab0 [ 9238.416057][ T10] process_one_work+0x84d/0x18a0 [ 9238.416057][ T10] worker_thread+0x587/0xd30 [ 9238.416057][ T10] kthread+0x28a/0x350 [ 9238.416057][ T10] ret_from_fork+0x31/0x70 [ 9238.416057][ T10] ret_from_fork_asm+0x1a/0x30 [ 9238.416057][ T10] [ 9238.417958][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9238.417958][ T10] netdev_get_by_index+0x5e/0x80 [ 9238.417958][ T10] fib6_nh_init+0x3d8/0x1580 [ 9238.417958][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9238.417958][ T10] ip6_route_add+0x1c/0x140 [ 9238.417958][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9238.417958][ T10] inet6_addr_add+0x4f8/0xa40 [ 9238.417958][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9238.417958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9238.417958][ T10] netlink_rcv_skb+0x130/0x360 [ 9238.417958][ T10] netlink_unicast+0x449/0x710 [ 9238.417958][ T10] netlink_sendmsg+0x723/0xbe0 [ 9238.417958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9238.417958][ T10] ___sys_sendmsg+0xee/0x170 [ 9238.417958][ T10] __sys_sendmsg+0xcd/0x170 [ 9238.417958][ T10] do_syscall_64+0xc6/0x1e0 [ 9238.417958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9238.417958][ T10] [ 9238.420121][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9238.420121][ T10] netdev_get_by_index+0x5e/0x80 [ 9238.420121][ T10] fib6_nh_init+0x3d8/0x1580 [ 9238.420121][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9238.420121][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9238.420121][ T10] ipv6_add_addr+0x411/0x2000 [ 9238.420121][ T10] inet6_addr_add+0x30e/0xa40 [ 9238.420121][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9238.420121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9238.420121][ T10] netlink_rcv_skb+0x130/0x360 [ 9238.420121][ T10] netlink_unicast+0x449/0x710 [ 9238.420121][ T10] netlink_sendmsg+0x723/0xbe0 [ 9238.420121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9238.420121][ T10] ___sys_sendmsg+0xee/0x170 [ 9238.420121][ T10] __sys_sendmsg+0xcd/0x170 [ 9238.420121][ T10] do_syscall_64+0xc6/0x1e0 [ 9238.420121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9238.420121][ T10] [ 9238.422401][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9238.422401][ T10] netdev_get_by_index+0x5e/0x80 [ 9238.422401][ T10] fib6_nh_init+0x3d8/0x1580 [ 9238.422401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9238.422401][ T10] ip6_route_add+0x1c/0x140 [ 9238.422401][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9238.422401][ T10] addrconf_add_dev+0xe2/0x170 [ 9238.422401][ T10] inet6_addr_add+0x12f/0xa40 [ 9238.422401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9238.422401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9238.422401][ T10] netlink_rcv_skb+0x130/0x360 [ 9238.422401][ T10] netlink_unicast+0x449/0x710 [ 9238.422401][ T10] netlink_sendmsg+0x723/0xbe0 [ 9238.422401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9238.422401][ T10] ___sys_sendmsg+0xee/0x170 [ 9238.422401][ T10] __sys_sendmsg+0xcd/0x170 [ 9238.422401][ T10] do_syscall_64+0xc6/0x1e0 [ 9238.422401][ T10] [ 9238.424517][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9238.424517][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9238.424517][ T10] ipv6_find_idev+0x102/0x170 [ 9238.424517][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9238.424517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9238.424517][ T10] netlink_rcv_skb+0x130/0x360 [ 9238.424517][ T10] netlink_unicast+0x449/0x710 [ 9238.424517][ T10] netlink_sendmsg+0x723/0xbe0 [ 9238.424517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9238.424517][ T10] ___sys_sendmsg+0xee/0x170 [ 9238.424517][ T10] __sys_sendmsg+0xcd/0x170 [ 9238.424517][ T10] do_syscall_64+0xc6/0x1e0 [ 9238.424517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9238.424517][ T10] [ 9238.426228][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9238.426228][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9238.426228][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9238.426228][ T10] ipv6_find_idev+0x102/0x170 [ 9238.426228][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9238.426228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9238.426228][ T10] netlink_rcv_skb+0x130/0x360 [ 9238.426228][ T10] netlink_unicast+0x449/0x710 [ 9238.426228][ T10] netlink_sendmsg+0x723/0xbe0 [ 9238.426228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9238.426228][ T10] ___sys_sendmsg+0xee/0x170 [ 9238.426228][ T10] __sys_sendmsg+0xcd/0x170 [ 9238.426228][ T10] do_syscall_64+0xc6/0x1e0 [ 9238.426228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9238.426228][ T10] [ 9238.428126][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9238.428361][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9238.428361][ T10] netdev_get_by_index+0x5e/0x80 [ 9238.428361][ T10] fib6_nh_init+0x3d8/0x1580 [ 9238.428361][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9238.428361][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9238.428361][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9238.428361][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9238.428361][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9238.428361][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9238.428361][ T10] addrconf_dad_begin+0x310/0x670 [ 9238.428361][ T10] addrconf_dad_work+0x10b/0xab0 [ 9238.428361][ T10] process_one_work+0x84d/0x18a0 [ 9238.428361][ T10] worker_thread+0x587/0xd30 [ 9238.428361][ T10] kthread+0x28a/0x350 [ 9238.428361][ T10] ret_from_fork+0x31/0x70 [ 9238.428361][ T10] ret_from_fork_asm+0x1a/0x30 [ 9238.428361][ T10] [ 9238.430552][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9238.430552][ T10] netdev_get_by_index+0x5e/0x80 [ 9238.430552][ T10] fib6_nh_init+0x3d8/0x1580 [ 9238.430552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9238.430552][ T10] ip6_route_add+0x1c/0x140 [ 9238.430552][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9238.430552][ T10] inet6_addr_add+0x4f8/0xa40 [ 9238.430552][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9238.430552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9238.430552][ T10] netlink_rcv_skb+0x130/0x360 [ 9238.430552][ T10] netlink_unicast+0x449/0x710 [ 9238.430552][ T10] netlink_sendmsg+0x723/0xbe0 [ 9238.430552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9238.430552][ T10] ___sys_sendmsg+0xee/0x170 [ 9238.430552][ T10] __sys_sendmsg+0xcd/0x170 [ 9238.430552][ T10] do_syscall_64+0xc6/0x1e0 [ 9238.430552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9238.430552][ T10] [ 9238.432710][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9238.432710][ T10] netdev_get_by_index+0x5e/0x80 [ 9238.432710][ T10] fib6_nh_init+0x3d8/0x1580 [ 9238.432710][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9238.432710][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9238.432710][ T10] ipv6_add_addr+0x411/0x2000 [ 9238.432710][ T10] inet6_addr_add+0x30e/0xa40 [ 9238.432710][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9238.432710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9238.432710][ T10] netlink_rcv_skb+0x130/0x360 [ 9238.432710][ T10] netlink_unicast+0x449/0x710 [ 9238.432710][ T10] netlink_sendmsg+0x723/0xbe0 [ 9238.432710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9238.432710][ T10] ___sys_sendmsg+0xee/0x170 [ 9238.432710][ T10] __sys_sendmsg+0xcd/0x170 [ 9238.432710][ T10] do_syscall_64+0xc6/0x1e0 [ 9238.432710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9238.432710][ T10] [ 9238.434933][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9238.434933][ T10] netdev_get_by_index+0x5e/0x80 [ 9238.434933][ T10] fib6_nh_init+0x3d8/0x1580 [ 9238.434933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9238.434933][ T10] ip6_route_add+0x1c/0x140 [ 9238.434933][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9238.434933][ T10] addrconf_add_dev+0xe2/0x170 [ 9238.434933][ T10] inet6_addr_add+0x12f/0xa40 [ 9238.434933][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9238.434933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9238.434933][ T10] netlink_rcv_skb+0x130/0x360 [ 9238.434933][ T10] netlink_unicast+0x449/0x710 [ 9238.434933][ T10] netlink_sendmsg+0x723/0xbe0 [ 9238.434933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9238.434933][ T10] ___sys_sendmsg+0xee/0x170 [ 9238.434933][ T10] __sys_sendmsg+0xcd/0x170 [ 9238.434933][ T10] do_syscall_64+0xc6/0x1e0 [ 9238.434933][ T10] [ 9238.437114][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9238.437114][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9238.437114][ T10] ipv6_find_idev+0x102/0x170 [ 9238.437114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9238.437114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9238.437114][ T10] netlink_rcv_skb+0x130/0x360 [ 9238.437114][ T10] netlink_unicast+0x449/0x710 [ 9238.437114][ T10] netlink_sendmsg+0x723/0xbe0 [ 9238.437114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9238.437114][ T10] ___sys_sendmsg+0xee/0x170 [ 9238.437114][ T10] __sys_sendmsg+0xcd/0x170 [ 9238.437114][ T10] do_syscall_64+0xc6/0x1e0 [ 9238.437114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9238.437114][ T10] [ 9238.438815][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9238.438815][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9238.438815][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9238.438815][ T10] ipv6_find_idev+0x102/0x170 [ 9238.438815][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9238.438815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9238.438815][ T10] netlink_rcv_skb+0x130/0x360 [ 9238.438815][ T10] netlink_unicast+0x449/0x710 [ 9238.438815][ T10] netlink_sendmsg+0x723/0xbe0 [ 9238.438815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9238.438815][ T10] ___sys_sendmsg+0xee/0x170 [ 9238.438815][ T10] __sys_sendmsg+0xcd/0x170 [ 9238.438815][ T10] do_syscall_64+0xc6/0x1e0 [ 9238.438815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9238.438815][ T10] [ 9243.673074][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9243.673572][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9243.673572][ T1167] dst_init+0x84/0x4a0 [ 9243.673572][ T1167] dst_alloc+0x97/0x150 [ 9243.673572][ T1167] ip6_dst_alloc+0x23/0x90 [ 9243.673572][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9243.673572][ T1167] ip6_pol_route+0x56f/0x840 [ 9243.673572][ T1167] fib6_rule_lookup+0x334/0x630 [ 9243.673572][ T1167] ip6_route_output_flags+0x259/0x480 [ 9243.673572][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9243.673572][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9243.673572][ T1167] netlink_rcv_skb+0x130/0x360 [ 9243.673572][ T1167] netlink_unicast+0x449/0x710 [ 9243.673572][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9243.673572][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9243.673572][ T1167] ___sys_sendmsg+0xee/0x170 [ 9243.673572][ T1167] __sys_sendmsg+0xcd/0x170 [ 9243.673572][ T1167] do_syscall_64+0xc6/0x1e0 [ 9243.673572][ T1167] [ 9243.675767][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9243.675767][ T1167] netdev_get_by_index+0x5e/0x80 [ 9243.675767][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9243.675767][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9243.675767][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9243.675767][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9243.675767][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9243.675767][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9243.675767][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9243.675767][ T1167] addrconf_dad_begin+0x310/0x670 [ 9243.675767][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9243.675767][ T1167] process_one_work+0x84d/0x18a0 [ 9243.675767][ T1167] worker_thread+0x587/0xd30 [ 9243.675767][ T1167] kthread+0x28a/0x350 [ 9243.675767][ T1167] ret_from_fork+0x31/0x70 [ 9243.675767][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9243.675767][ T1167] [ 9243.677908][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9243.677908][ T1167] netdev_get_by_index+0x5e/0x80 [ 9243.677908][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9243.677908][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9243.677908][ T1167] ip6_route_add+0x1c/0x140 [ 9243.677908][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9243.677908][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9243.677908][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9243.677908][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9243.677908][ T1167] netlink_rcv_skb+0x130/0x360 [ 9243.677908][ T1167] netlink_unicast+0x449/0x710 [ 9243.677908][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9243.677908][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9243.677908][ T1167] ___sys_sendmsg+0xee/0x170 [ 9243.677908][ T1167] __sys_sendmsg+0xcd/0x170 [ 9243.677908][ T1167] do_syscall_64+0xc6/0x1e0 [ 9243.677908][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9243.677908][ T1167] [ 9243.680150][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9243.680150][ T1167] netdev_get_by_index+0x5e/0x80 [ 9243.680150][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9243.680150][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9243.680150][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9243.680150][ T1167] ipv6_add_addr+0x411/0x2000 [ 9243.680150][ T1167] inet6_addr_add+0x30e/0xa40 [ 9243.680150][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9243.680150][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9243.680150][ T1167] netlink_rcv_skb+0x130/0x360 [ 9243.680150][ T1167] netlink_unicast+0x449/0x710 [ 9243.680150][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9243.680150][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9243.680150][ T1167] ___sys_sendmsg+0xee/0x170 [ 9243.680150][ T1167] __sys_sendmsg+0xcd/0x170 [ 9243.680150][ T1167] do_syscall_64+0xc6/0x1e0 [ 9243.680150][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9243.680150][ T1167] [ 9243.682388][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9243.682388][ T1167] netdev_get_by_index+0x5e/0x80 [ 9243.682388][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9243.682388][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9243.682388][ T1167] ip6_route_add+0x1c/0x140 [ 9243.682388][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9243.682388][ T1167] addrconf_add_dev+0xe2/0x170 [ 9243.682388][ T1167] inet6_addr_add+0x12f/0xa40 [ 9243.682388][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9243.682388][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9243.682388][ T1167] netlink_rcv_skb+0x130/0x360 [ 9243.682388][ T1167] netlink_unicast+0x449/0x710 [ 9243.682388][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9243.682388][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9243.682388][ T1167] ___sys_sendmsg+0xee/0x170 [ 9243.682388][ T1167] __sys_sendmsg+0xcd/0x170 [ 9243.682388][ T1167] do_syscall_64+0xc6/0x1e0 [ 9243.682388][ T1167] [ 9243.684587][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9243.684587][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9243.684587][ T1167] ipv6_find_idev+0x102/0x170 [ 9243.684587][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9243.684587][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9243.684587][ T1167] netlink_rcv_skb+0x130/0x360 [ 9243.684587][ T1167] netlink_unicast+0x449/0x710 [ 9243.684587][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9243.684587][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9243.684587][ T1167] ___sys_sendmsg+0xee/0x170 [ 9243.684587][ T1167] __sys_sendmsg+0xcd/0x170 [ 9243.684587][ T1167] do_syscall_64+0xc6/0x1e0 [ 9243.684587][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9243.684587][ T1167] [ 9243.686312][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9243.686312][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9243.686312][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9243.686312][ T1167] ipv6_find_idev+0x102/0x170 [ 9243.686312][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9243.686312][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9243.686312][ T1167] netlink_rcv_skb+0x130/0x360 [ 9243.686312][ T1167] netlink_unicast+0x449/0x710 [ 9243.686312][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9243.686312][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9243.686312][ T1167] ___sys_sendmsg+0xee/0x170 [ 9243.686312][ T1167] __sys_sendmsg+0xcd/0x170 [ 9243.686312][ T1167] do_syscall_64+0xc6/0x1e0 [ 9243.686312][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9243.686312][ T1167] [ 9248.561105][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9248.561508][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9248.561508][ T10] netdev_get_by_index+0x5e/0x80 [ 9248.561508][ T10] fib6_nh_init+0x3d8/0x1580 [ 9248.561508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9248.561508][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9248.561508][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9248.561508][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9248.561508][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9248.561508][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9248.561508][ T10] addrconf_dad_begin+0x310/0x670 [ 9248.561508][ T10] addrconf_dad_work+0x10b/0xab0 [ 9248.561508][ T10] process_one_work+0x84d/0x18a0 [ 9248.561508][ T10] worker_thread+0x587/0xd30 [ 9248.561508][ T10] kthread+0x28a/0x350 [ 9248.561508][ T10] ret_from_fork+0x31/0x70 [ 9248.561508][ T10] ret_from_fork_asm+0x1a/0x30 [ 9248.561508][ T10] [ 9248.563432][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9248.563432][ T10] netdev_get_by_index+0x5e/0x80 [ 9248.563432][ T10] fib6_nh_init+0x3d8/0x1580 [ 9248.563432][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9248.563432][ T10] ip6_route_add+0x1c/0x140 [ 9248.563432][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9248.563432][ T10] inet6_addr_add+0x4f8/0xa40 [ 9248.563432][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9248.563432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9248.563432][ T10] netlink_rcv_skb+0x130/0x360 [ 9248.563432][ T10] netlink_unicast+0x449/0x710 [ 9248.563432][ T10] netlink_sendmsg+0x723/0xbe0 [ 9248.563432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9248.563432][ T10] ___sys_sendmsg+0xee/0x170 [ 9248.563432][ T10] __sys_sendmsg+0xcd/0x170 [ 9248.563432][ T10] do_syscall_64+0xc6/0x1e0 [ 9248.563432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9248.563432][ T10] [ 9248.565441][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9248.565441][ T10] netdev_get_by_index+0x5e/0x80 [ 9248.565441][ T10] fib6_nh_init+0x3d8/0x1580 [ 9248.565441][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9248.565441][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9248.565441][ T10] ipv6_add_addr+0x411/0x2000 [ 9248.565441][ T10] inet6_addr_add+0x30e/0xa40 [ 9248.565441][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9248.565441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9248.565441][ T10] netlink_rcv_skb+0x130/0x360 [ 9248.565441][ T10] netlink_unicast+0x449/0x710 [ 9248.565441][ T10] netlink_sendmsg+0x723/0xbe0 [ 9248.565441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9248.565441][ T10] ___sys_sendmsg+0xee/0x170 [ 9248.565441][ T10] __sys_sendmsg+0xcd/0x170 [ 9248.565441][ T10] do_syscall_64+0xc6/0x1e0 [ 9248.565441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9248.565441][ T10] [ 9248.567415][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9248.567415][ T10] netdev_get_by_index+0x5e/0x80 [ 9248.567415][ T10] fib6_nh_init+0x3d8/0x1580 [ 9248.567415][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9248.567415][ T10] ip6_route_add+0x1c/0x140 [ 9248.567415][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9248.567415][ T10] addrconf_add_dev+0xe2/0x170 [ 9248.567415][ T10] inet6_addr_add+0x12f/0xa40 [ 9248.567415][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9248.567415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9248.567415][ T10] netlink_rcv_skb+0x130/0x360 [ 9248.567415][ T10] netlink_unicast+0x449/0x710 [ 9248.567415][ T10] netlink_sendmsg+0x723/0xbe0 [ 9248.567415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9248.567415][ T10] ___sys_sendmsg+0xee/0x170 [ 9248.567415][ T10] __sys_sendmsg+0xcd/0x170 [ 9248.567415][ T10] do_syscall_64+0xc6/0x1e0 [ 9248.567415][ T10] [ 9248.569361][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9248.569361][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9248.569361][ T10] ipv6_find_idev+0x102/0x170 [ 9248.569361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9248.569361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9248.569361][ T10] netlink_rcv_skb+0x130/0x360 [ 9248.569361][ T10] netlink_unicast+0x449/0x710 [ 9248.569361][ T10] netlink_sendmsg+0x723/0xbe0 [ 9248.569361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9248.569361][ T10] ___sys_sendmsg+0xee/0x170 [ 9248.569361][ T10] __sys_sendmsg+0xcd/0x170 [ 9248.569361][ T10] do_syscall_64+0xc6/0x1e0 [ 9248.569361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9248.569361][ T10] [ 9248.570881][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9248.570881][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9248.570881][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9248.570881][ T10] ipv6_find_idev+0x102/0x170 [ 9248.570881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9248.570881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9248.570881][ T10] netlink_rcv_skb+0x130/0x360 [ 9248.570881][ T10] netlink_unicast+0x449/0x710 [ 9248.570881][ T10] netlink_sendmsg+0x723/0xbe0 [ 9248.570881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9248.570881][ T10] ___sys_sendmsg+0xee/0x170 [ 9248.570881][ T10] __sys_sendmsg+0xcd/0x170 [ 9248.570881][ T10] do_syscall_64+0xc6/0x1e0 [ 9248.570881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9248.570881][ T10] [ 9248.572546][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9248.572783][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9248.572783][ T10] netdev_get_by_index+0x5e/0x80 [ 9248.572783][ T10] fib6_nh_init+0x3d8/0x1580 [ 9248.572783][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9248.572783][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9248.572783][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9248.572783][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9248.572783][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9248.572783][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9248.572783][ T10] addrconf_dad_begin+0x310/0x670 [ 9248.572783][ T10] addrconf_dad_work+0x10b/0xab0 [ 9248.572783][ T10] process_one_work+0x84d/0x18a0 [ 9248.572783][ T10] worker_thread+0x587/0xd30 [ 9248.572783][ T10] kthread+0x28a/0x350 [ 9248.572783][ T10] ret_from_fork+0x31/0x70 [ 9248.572783][ T10] ret_from_fork_asm+0x1a/0x30 [ 9248.572783][ T10] [ 9248.574671][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9248.574671][ T10] netdev_get_by_index+0x5e/0x80 [ 9248.574671][ T10] fib6_nh_init+0x3d8/0x1580 [ 9248.574671][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9248.574671][ T10] ip6_route_add+0x1c/0x140 [ 9248.574671][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9248.574671][ T10] inet6_addr_add+0x4f8/0xa40 [ 9248.574671][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9248.574671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9248.574671][ T10] netlink_rcv_skb+0x130/0x360 [ 9248.574671][ T10] netlink_unicast+0x449/0x710 [ 9248.574671][ T10] netlink_sendmsg+0x723/0xbe0 [ 9248.574671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9248.574671][ T10] ___sys_sendmsg+0xee/0x170 [ 9248.574671][ T10] __sys_sendmsg+0xcd/0x170 [ 9248.574671][ T10] do_syscall_64+0xc6/0x1e0 [ 9248.574671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9248.574671][ T10] [ 9248.576677][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9248.576677][ T10] netdev_get_by_index+0x5e/0x80 [ 9248.576677][ T10] fib6_nh_init+0x3d8/0x1580 [ 9248.576677][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9248.576677][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9248.576677][ T10] ipv6_add_addr+0x411/0x2000 [ 9248.576677][ T10] inet6_addr_add+0x30e/0xa40 [ 9248.576677][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9248.576677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9248.576677][ T10] netlink_rcv_skb+0x130/0x360 [ 9248.576677][ T10] netlink_unicast+0x449/0x710 [ 9248.576677][ T10] netlink_sendmsg+0x723/0xbe0 [ 9248.576677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9248.576677][ T10] ___sys_sendmsg+0xee/0x170 [ 9248.576677][ T10] __sys_sendmsg+0xcd/0x170 [ 9248.576677][ T10] do_syscall_64+0xc6/0x1e0 [ 9248.576677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9248.576677][ T10] [ 9248.578654][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9248.578654][ T10] netdev_get_by_index+0x5e/0x80 [ 9248.578654][ T10] fib6_nh_init+0x3d8/0x1580 [ 9248.578654][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9248.578654][ T10] ip6_route_add+0x1c/0x140 [ 9248.578654][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9248.578654][ T10] addrconf_add_dev+0xe2/0x170 [ 9248.578654][ T10] inet6_addr_add+0x12f/0xa40 [ 9248.578654][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9248.578654][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9248.578654][ T10] netlink_rcv_skb+0x130/0x360 [ 9248.578654][ T10] netlink_unicast+0x449/0x710 [ 9248.578654][ T10] netlink_sendmsg+0x723/0xbe0 [ 9248.578654][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9248.578654][ T10] ___sys_sendmsg+0xee/0x170 [ 9248.578654][ T10] __sys_sendmsg+0xcd/0x170 [ 9248.578654][ T10] do_syscall_64+0xc6/0x1e0 [ 9248.578654][ T10] [ 9248.580601][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9248.580601][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9248.580601][ T10] ipv6_find_idev+0x102/0x170 [ 9248.580601][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9248.580601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9248.580601][ T10] netlink_rcv_skb+0x130/0x360 [ 9248.580601][ T10] netlink_unicast+0x449/0x710 [ 9248.580601][ T10] netlink_sendmsg+0x723/0xbe0 [ 9248.580601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9248.580601][ T10] ___sys_sendmsg+0xee/0x170 [ 9248.580601][ T10] __sys_sendmsg+0xcd/0x170 [ 9248.580601][ T10] do_syscall_64+0xc6/0x1e0 [ 9248.580601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9248.580601][ T10] [ 9248.582127][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9248.582127][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9248.582127][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9248.582127][ T10] ipv6_find_idev+0x102/0x170 [ 9248.582127][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9248.582127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9248.582127][ T10] netlink_rcv_skb+0x130/0x360 [ 9248.582127][ T10] netlink_unicast+0x449/0x710 [ 9248.582127][ T10] netlink_sendmsg+0x723/0xbe0 [ 9248.582127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9248.582127][ T10] ___sys_sendmsg+0xee/0x170 [ 9248.582127][ T10] __sys_sendmsg+0xcd/0x170 [ 9248.582127][ T10] do_syscall_64+0xc6/0x1e0 [ 9248.582127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9248.582127][ T10] [ 9248.583806][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9248.584044][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9248.584044][ T10] netdev_get_by_index+0x5e/0x80 [ 9248.584044][ T10] fib6_nh_init+0x3d8/0x1580 [ 9248.584044][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9248.584044][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9248.584044][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9248.584044][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9248.584044][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9248.584044][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9248.584044][ T10] addrconf_dad_begin+0x310/0x670 [ 9248.584044][ T10] addrconf_dad_work+0x10b/0xab0 [ 9248.584044][ T10] process_one_work+0x84d/0x18a0 [ 9248.584044][ T10] worker_thread+0x587/0xd30 [ 9248.584044][ T10] kthread+0x28a/0x350 [ 9248.584044][ T10] ret_from_fork+0x31/0x70 [ 9248.584044][ T10] ret_from_fork_asm+0x1a/0x30 [ 9248.584044][ T10] [ 9248.585936][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9248.585936][ T10] netdev_get_by_index+0x5e/0x80 [ 9248.585936][ T10] fib6_nh_init+0x3d8/0x1580 [ 9248.585936][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9248.585936][ T10] ip6_route_add+0x1c/0x140 [ 9248.585936][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9248.585936][ T10] inet6_addr_add+0x4f8/0xa40 [ 9248.585936][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9248.585936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9248.585936][ T10] netlink_rcv_skb+0x130/0x360 [ 9248.585936][ T10] netlink_unicast+0x449/0x710 [ 9248.585936][ T10] netlink_sendmsg+0x723/0xbe0 [ 9248.585936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9248.585936][ T10] ___sys_sendmsg+0xee/0x170 [ 9248.585936][ T10] __sys_sendmsg+0xcd/0x170 [ 9248.585936][ T10] do_syscall_64+0xc6/0x1e0 [ 9248.585936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9248.585936][ T10] [ 9248.588047][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9248.588047][ T10] netdev_get_by_index+0x5e/0x80 [ 9248.588047][ T10] fib6_nh_init+0x3d8/0x1580 [ 9248.588047][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9248.588047][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9248.588047][ T10] ipv6_add_addr+0x411/0x2000 [ 9248.588047][ T10] inet6_addr_add+0x30e/0xa40 [ 9248.588047][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9248.588047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9248.588047][ T10] netlink_rcv_skb+0x130/0x360 [ 9248.588047][ T10] netlink_unicast+0x449/0x710 [ 9248.588047][ T10] netlink_sendmsg+0x723/0xbe0 [ 9248.588047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9248.588047][ T10] ___sys_sendmsg+0xee/0x170 [ 9248.588047][ T10] __sys_sendmsg+0xcd/0x170 [ 9248.588047][ T10] do_syscall_64+0xc6/0x1e0 [ 9248.588047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9248.588047][ T10] [ 9248.590149][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9248.590149][ T10] netdev_get_by_index+0x5e/0x80 [ 9248.590149][ T10] fib6_nh_init+0x3d8/0x1580 [ 9248.590149][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9248.590149][ T10] ip6_route_add+0x1c/0x140 [ 9248.590149][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9248.590149][ T10] addrconf_add_dev+0xe2/0x170 [ 9248.590149][ T10] inet6_addr_add+0x12f/0xa40 [ 9248.590149][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9248.590149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9248.590149][ T10] netlink_rcv_skb+0x130/0x360 [ 9248.590149][ T10] netlink_unicast+0x449/0x710 [ 9248.590149][ T10] netlink_sendmsg+0x723/0xbe0 [ 9248.590149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9248.590149][ T10] ___sys_sendmsg+0xee/0x170 [ 9248.590149][ T10] __sys_sendmsg+0xcd/0x170 [ 9248.590149][ T10] do_syscall_64+0xc6/0x1e0 [ 9248.590149][ T10] [ 9248.592216][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9248.592216][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9248.592216][ T10] ipv6_find_idev+0x102/0x170 [ 9248.592216][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9248.592216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9248.592216][ T10] netlink_rcv_skb+0x130/0x360 [ 9248.592216][ T10] netlink_unicast+0x449/0x710 [ 9248.592216][ T10] netlink_sendmsg+0x723/0xbe0 [ 9248.592216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9248.592216][ T10] ___sys_sendmsg+0xee/0x170 [ 9248.592216][ T10] __sys_sendmsg+0xcd/0x170 [ 9248.592216][ T10] do_syscall_64+0xc6/0x1e0 [ 9248.592216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9248.592216][ T10] [ 9248.593793][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9248.593793][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9248.593793][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9248.593793][ T10] ipv6_find_idev+0x102/0x170 [ 9248.593793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9248.593793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9248.593793][ T10] netlink_rcv_skb+0x130/0x360 [ 9248.593793][ T10] netlink_unicast+0x449/0x710 [ 9248.593793][ T10] netlink_sendmsg+0x723/0xbe0 [ 9248.593793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9248.593793][ T10] ___sys_sendmsg+0xee/0x170 [ 9248.593793][ T10] __sys_sendmsg+0xcd/0x170 [ 9248.593793][ T10] do_syscall_64+0xc6/0x1e0 [ 9248.593793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9248.593793][ T10] [ 9248.595643][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9248.595886][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9248.595886][ T10] netdev_get_by_index+0x5e/0x80 [ 9248.595886][ T10] fib6_nh_init+0x3d8/0x1580 [ 9248.595886][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9248.595886][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9248.595886][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9248.595886][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9248.595886][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9248.595886][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9248.595886][ T10] addrconf_dad_begin+0x310/0x670 [ 9248.595886][ T10] addrconf_dad_work+0x10b/0xab0 [ 9248.595886][ T10] process_one_work+0x84d/0x18a0 [ 9248.595886][ T10] worker_thread+0x587/0xd30 [ 9248.595886][ T10] kthread+0x28a/0x350 [ 9248.595886][ T10] ret_from_fork+0x31/0x70 [ 9248.595886][ T10] ret_from_fork_asm+0x1a/0x30 [ 9248.595886][ T10] [ 9248.597902][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9248.597902][ T10] netdev_get_by_index+0x5e/0x80 [ 9248.597902][ T10] fib6_nh_init+0x3d8/0x1580 [ 9248.597902][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9248.597902][ T10] ip6_route_add+0x1c/0x140 [ 9248.597902][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9248.597902][ T10] inet6_addr_add+0x4f8/0xa40 [ 9248.597902][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9248.597902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9248.597902][ T10] netlink_rcv_skb+0x130/0x360 [ 9248.597902][ T10] netlink_unicast+0x449/0x710 [ 9248.597902][ T10] netlink_sendmsg+0x723/0xbe0 [ 9248.597902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9248.597902][ T10] ___sys_sendmsg+0xee/0x170 [ 9248.597902][ T10] __sys_sendmsg+0xcd/0x170 [ 9248.597902][ T10] do_syscall_64+0xc6/0x1e0 [ 9248.597902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9248.597902][ T10] [ 9248.600002][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9248.600002][ T10] netdev_get_by_index+0x5e/0x80 [ 9248.600002][ T10] fib6_nh_init+0x3d8/0x1580 [ 9248.600002][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9248.600002][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9248.600002][ T10] ipv6_add_addr+0x411/0x2000 [ 9248.600002][ T10] inet6_addr_add+0x30e/0xa40 [ 9248.600002][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9248.600002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9248.600002][ T10] netlink_rcv_skb+0x130/0x360 [ 9248.600002][ T10] netlink_unicast+0x449/0x710 [ 9248.600002][ T10] netlink_sendmsg+0x723/0xbe0 [ 9248.600002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9248.600002][ T10] ___sys_sendmsg+0xee/0x170 [ 9248.600002][ T10] __sys_sendmsg+0xcd/0x170 [ 9248.600002][ T10] do_syscall_64+0xc6/0x1e0 [ 9248.600002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9248.600002][ T10] [ 9248.602102][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9248.602102][ T10] netdev_get_by_index+0x5e/0x80 [ 9248.602102][ T10] fib6_nh_init+0x3d8/0x1580 [ 9248.602102][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9248.602102][ T10] ip6_route_add+0x1c/0x140 [ 9248.602102][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9248.602102][ T10] addrconf_add_dev+0xe2/0x170 [ 9248.602102][ T10] inet6_addr_add+0x12f/0xa40 [ 9248.602102][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9248.602102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9248.602102][ T10] netlink_rcv_skb+0x130/0x360 [ 9248.602102][ T10] netlink_unicast+0x449/0x710 [ 9248.602102][ T10] netlink_sendmsg+0x723/0xbe0 [ 9248.602102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9248.602102][ T10] ___sys_sendmsg+0xee/0x170 [ 9248.602102][ T10] __sys_sendmsg+0xcd/0x170 [ 9248.602102][ T10] do_syscall_64+0xc6/0x1e0 [ 9248.602102][ T10] [ 9248.604176][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9248.604176][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9248.604176][ T10] ipv6_find_idev+0x102/0x170 [ 9248.604176][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9248.604176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9248.604176][ T10] netlink_rcv_skb+0x130/0x360 [ 9248.604176][ T10] netlink_unicast+0x449/0x710 [ 9248.604176][ T10] netlink_sendmsg+0x723/0xbe0 [ 9248.604176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9248.604176][ T10] ___sys_sendmsg+0xee/0x170 [ 9248.604176][ T10] __sys_sendmsg+0xcd/0x170 [ 9248.604176][ T10] do_syscall_64+0xc6/0x1e0 [ 9248.604176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9248.604176][ T10] [ 9248.605764][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9248.605764][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9248.605764][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9248.605764][ T10] ipv6_find_idev+0x102/0x170 [ 9248.605764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9248.605764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9248.605764][ T10] netlink_rcv_skb+0x130/0x360 [ 9248.605764][ T10] netlink_unicast+0x449/0x710 [ 9248.605764][ T10] netlink_sendmsg+0x723/0xbe0 [ 9248.605764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9248.605764][ T10] ___sys_sendmsg+0xee/0x170 [ 9248.605764][ T10] __sys_sendmsg+0xcd/0x170 [ 9248.605764][ T10] do_syscall_64+0xc6/0x1e0 [ 9248.605764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9248.605764][ T10] [ 9253.937138][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9253.937616][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9253.937616][ T1167] dst_init+0x84/0x4a0 [ 9253.937616][ T1167] dst_alloc+0x97/0x150 [ 9253.937616][ T1167] ip6_dst_alloc+0x23/0x90 [ 9253.937616][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9253.937616][ T1167] ip6_pol_route+0x56f/0x840 [ 9253.937616][ T1167] fib6_rule_lookup+0x334/0x630 [ 9253.937616][ T1167] ip6_route_output_flags+0x259/0x480 [ 9253.937616][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9253.937616][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9253.937616][ T1167] netlink_rcv_skb+0x130/0x360 [ 9253.937616][ T1167] netlink_unicast+0x449/0x710 [ 9253.937616][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9253.937616][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9253.937616][ T1167] ___sys_sendmsg+0xee/0x170 [ 9253.937616][ T1167] __sys_sendmsg+0xcd/0x170 [ 9253.937616][ T1167] do_syscall_64+0xc6/0x1e0 [ 9253.937616][ T1167] [ 9253.939811][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9253.939811][ T1167] netdev_get_by_index+0x5e/0x80 [ 9253.939811][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9253.939811][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9253.939811][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9253.939811][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9253.939811][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9253.939811][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9253.939811][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9253.939811][ T1167] addrconf_dad_begin+0x310/0x670 [ 9253.939811][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9253.939811][ T1167] process_one_work+0x84d/0x18a0 [ 9253.939811][ T1167] worker_thread+0x587/0xd30 [ 9253.939811][ T1167] kthread+0x28a/0x350 [ 9253.939811][ T1167] ret_from_fork+0x31/0x70 [ 9253.939811][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9253.939811][ T1167] [ 9253.942483][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9253.942483][ T1167] netdev_get_by_index+0x5e/0x80 [ 9253.942483][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9253.942483][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9253.942483][ T1167] ip6_route_add+0x1c/0x140 [ 9253.942483][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9253.942483][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9253.942483][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9253.942483][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9253.942483][ T1167] netlink_rcv_skb+0x130/0x360 [ 9253.942483][ T1167] netlink_unicast+0x449/0x710 [ 9253.942483][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9253.942483][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9253.942483][ T1167] ___sys_sendmsg+0xee/0x170 [ 9253.942483][ T1167] __sys_sendmsg+0xcd/0x170 [ 9253.942483][ T1167] do_syscall_64+0xc6/0x1e0 [ 9253.942483][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9253.942483][ T1167] [ 9253.944739][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9253.944739][ T1167] netdev_get_by_index+0x5e/0x80 [ 9253.944739][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9253.944739][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9253.944739][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9253.944739][ T1167] ipv6_add_addr+0x411/0x2000 [ 9253.944739][ T1167] inet6_addr_add+0x30e/0xa40 [ 9253.944739][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9253.944739][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9253.944739][ T1167] netlink_rcv_skb+0x130/0x360 [ 9253.944739][ T1167] netlink_unicast+0x449/0x710 [ 9253.944739][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9253.944739][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9253.944739][ T1167] ___sys_sendmsg+0xee/0x170 [ 9253.944739][ T1167] __sys_sendmsg+0xcd/0x170 [ 9253.944739][ T1167] do_syscall_64+0xc6/0x1e0 [ 9253.944739][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9253.944739][ T1167] [ 9253.946988][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9253.946988][ T1167] netdev_get_by_index+0x5e/0x80 [ 9253.946988][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9253.946988][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9253.946988][ T1167] ip6_route_add+0x1c/0x140 [ 9253.946988][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9253.946988][ T1167] addrconf_add_dev+0xe2/0x170 [ 9253.946988][ T1167] inet6_addr_add+0x12f/0xa40 [ 9253.946988][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9253.946988][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9253.946988][ T1167] netlink_rcv_skb+0x130/0x360 [ 9253.946988][ T1167] netlink_unicast+0x449/0x710 [ 9253.946988][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9253.946988][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9253.946988][ T1167] ___sys_sendmsg+0xee/0x170 [ 9253.946988][ T1167] __sys_sendmsg+0xcd/0x170 [ 9253.946988][ T1167] do_syscall_64+0xc6/0x1e0 [ 9253.946988][ T1167] [ 9253.949177][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9253.949177][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9253.949177][ T1167] ipv6_find_idev+0x102/0x170 [ 9253.949177][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9253.949177][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9253.949177][ T1167] netlink_rcv_skb+0x130/0x360 [ 9253.949177][ T1167] netlink_unicast+0x449/0x710 [ 9253.949177][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9253.949177][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9253.949177][ T1167] ___sys_sendmsg+0xee/0x170 [ 9253.949177][ T1167] __sys_sendmsg+0xcd/0x170 [ 9253.949177][ T1167] do_syscall_64+0xc6/0x1e0 [ 9253.949177][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9253.949177][ T1167] [ 9253.950893][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9253.950893][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9253.950893][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9253.950893][ T1167] ipv6_find_idev+0x102/0x170 [ 9253.950893][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9253.950893][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9253.950893][ T1167] netlink_rcv_skb+0x130/0x360 [ 9253.950893][ T1167] netlink_unicast+0x449/0x710 [ 9253.950893][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9253.950893][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9253.950893][ T1167] ___sys_sendmsg+0xee/0x170 [ 9253.950893][ T1167] __sys_sendmsg+0xcd/0x170 [ 9253.950893][ T1167] do_syscall_64+0xc6/0x1e0 [ 9253.950893][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9253.950893][ T1167] [ 9258.801124][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9258.801538][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9258.801538][ T10] netdev_get_by_index+0x5e/0x80 [ 9258.801538][ T10] fib6_nh_init+0x3d8/0x1580 [ 9258.801538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9258.801538][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9258.801538][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9258.801538][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9258.801538][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9258.801538][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9258.801538][ T10] addrconf_dad_begin+0x310/0x670 [ 9258.801538][ T10] addrconf_dad_work+0x10b/0xab0 [ 9258.801538][ T10] process_one_work+0x84d/0x18a0 [ 9258.801538][ T10] worker_thread+0x587/0xd30 [ 9258.801538][ T10] kthread+0x28a/0x350 [ 9258.801538][ T10] ret_from_fork+0x31/0x70 [ 9258.801538][ T10] ret_from_fork_asm+0x1a/0x30 [ 9258.801538][ T10] [ 9258.803451][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9258.803451][ T10] netdev_get_by_index+0x5e/0x80 [ 9258.803451][ T10] fib6_nh_init+0x3d8/0x1580 [ 9258.803451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9258.803451][ T10] ip6_route_add+0x1c/0x140 [ 9258.803451][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9258.803451][ T10] inet6_addr_add+0x4f8/0xa40 [ 9258.803451][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9258.803451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9258.803451][ T10] netlink_rcv_skb+0x130/0x360 [ 9258.803451][ T10] netlink_unicast+0x449/0x710 [ 9258.803451][ T10] netlink_sendmsg+0x723/0xbe0 [ 9258.803451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9258.803451][ T10] ___sys_sendmsg+0xee/0x170 [ 9258.803451][ T10] __sys_sendmsg+0xcd/0x170 [ 9258.803451][ T10] do_syscall_64+0xc6/0x1e0 [ 9258.803451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9258.803451][ T10] [ 9258.805460][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9258.805460][ T10] netdev_get_by_index+0x5e/0x80 [ 9258.805460][ T10] fib6_nh_init+0x3d8/0x1580 [ 9258.805460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9258.805460][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9258.805460][ T10] ipv6_add_addr+0x411/0x2000 [ 9258.805460][ T10] inet6_addr_add+0x30e/0xa40 [ 9258.805460][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9258.805460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9258.805460][ T10] netlink_rcv_skb+0x130/0x360 [ 9258.805460][ T10] netlink_unicast+0x449/0x710 [ 9258.805460][ T10] netlink_sendmsg+0x723/0xbe0 [ 9258.805460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9258.805460][ T10] ___sys_sendmsg+0xee/0x170 [ 9258.805460][ T10] __sys_sendmsg+0xcd/0x170 [ 9258.805460][ T10] do_syscall_64+0xc6/0x1e0 [ 9258.805460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9258.805460][ T10] [ 9258.807440][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9258.807440][ T10] netdev_get_by_index+0x5e/0x80 [ 9258.807440][ T10] fib6_nh_init+0x3d8/0x1580 [ 9258.807440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9258.807440][ T10] ip6_route_add+0x1c/0x140 [ 9258.807440][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9258.807440][ T10] addrconf_add_dev+0xe2/0x170 [ 9258.807440][ T10] inet6_addr_add+0x12f/0xa40 [ 9258.807440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9258.807440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9258.807440][ T10] netlink_rcv_skb+0x130/0x360 [ 9258.807440][ T10] netlink_unicast+0x449/0x710 [ 9258.807440][ T10] netlink_sendmsg+0x723/0xbe0 [ 9258.807440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9258.807440][ T10] ___sys_sendmsg+0xee/0x170 [ 9258.807440][ T10] __sys_sendmsg+0xcd/0x170 [ 9258.807440][ T10] do_syscall_64+0xc6/0x1e0 [ 9258.807440][ T10] [ 9258.809391][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9258.809391][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9258.809391][ T10] ipv6_find_idev+0x102/0x170 [ 9258.809391][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9258.809391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9258.809391][ T10] netlink_rcv_skb+0x130/0x360 [ 9258.809391][ T10] netlink_unicast+0x449/0x710 [ 9258.809391][ T10] netlink_sendmsg+0x723/0xbe0 [ 9258.809391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9258.809391][ T10] ___sys_sendmsg+0xee/0x170 [ 9258.809391][ T10] __sys_sendmsg+0xcd/0x170 [ 9258.809391][ T10] do_syscall_64+0xc6/0x1e0 [ 9258.809391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9258.809391][ T10] [ 9258.810914][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9258.810914][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9258.810914][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9258.810914][ T10] ipv6_find_idev+0x102/0x170 [ 9258.810914][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9258.810914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9258.810914][ T10] netlink_rcv_skb+0x130/0x360 [ 9258.810914][ T10] netlink_unicast+0x449/0x710 [ 9258.810914][ T10] netlink_sendmsg+0x723/0xbe0 [ 9258.810914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9258.810914][ T10] ___sys_sendmsg+0xee/0x170 [ 9258.810914][ T10] __sys_sendmsg+0xcd/0x170 [ 9258.810914][ T10] do_syscall_64+0xc6/0x1e0 [ 9258.810914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9258.810914][ T10] [ 9258.812580][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9258.812820][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9258.812820][ T10] netdev_get_by_index+0x5e/0x80 [ 9258.812820][ T10] fib6_nh_init+0x3d8/0x1580 [ 9258.812820][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9258.812820][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9258.812820][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9258.812820][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9258.812820][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9258.812820][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9258.812820][ T10] addrconf_dad_begin+0x310/0x670 [ 9258.812820][ T10] addrconf_dad_work+0x10b/0xab0 [ 9258.812820][ T10] process_one_work+0x84d/0x18a0 [ 9258.812820][ T10] worker_thread+0x587/0xd30 [ 9258.812820][ T10] kthread+0x28a/0x350 [ 9258.812820][ T10] ret_from_fork+0x31/0x70 [ 9258.812820][ T10] ret_from_fork_asm+0x1a/0x30 [ 9258.812820][ T10] [ 9258.814720][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9258.814720][ T10] netdev_get_by_index+0x5e/0x80 [ 9258.814720][ T10] fib6_nh_init+0x3d8/0x1580 [ 9258.814720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9258.814720][ T10] ip6_route_add+0x1c/0x140 [ 9258.814720][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9258.814720][ T10] inet6_addr_add+0x4f8/0xa40 [ 9258.814720][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9258.814720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9258.814720][ T10] netlink_rcv_skb+0x130/0x360 [ 9258.814720][ T10] netlink_unicast+0x449/0x710 [ 9258.814720][ T10] netlink_sendmsg+0x723/0xbe0 [ 9258.814720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9258.814720][ T10] ___sys_sendmsg+0xee/0x170 [ 9258.814720][ T10] __sys_sendmsg+0xcd/0x170 [ 9258.814720][ T10] do_syscall_64+0xc6/0x1e0 [ 9258.814720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9258.814720][ T10] [ 9258.816729][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9258.816729][ T10] netdev_get_by_index+0x5e/0x80 [ 9258.816729][ T10] fib6_nh_init+0x3d8/0x1580 [ 9258.816729][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9258.816729][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9258.816729][ T10] ipv6_add_addr+0x411/0x2000 [ 9258.816729][ T10] inet6_addr_add+0x30e/0xa40 [ 9258.816729][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9258.816729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9258.816729][ T10] netlink_rcv_skb+0x130/0x360 [ 9258.816729][ T10] netlink_unicast+0x449/0x710 [ 9258.816729][ T10] netlink_sendmsg+0x723/0xbe0 [ 9258.816729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9258.816729][ T10] ___sys_sendmsg+0xee/0x170 [ 9258.816729][ T10] __sys_sendmsg+0xcd/0x170 [ 9258.816729][ T10] do_syscall_64+0xc6/0x1e0 [ 9258.816729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9258.816729][ T10] [ 9258.818704][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9258.818704][ T10] netdev_get_by_index+0x5e/0x80 [ 9258.818704][ T10] fib6_nh_init+0x3d8/0x1580 [ 9258.818704][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9258.818704][ T10] ip6_route_add+0x1c/0x140 [ 9258.818704][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9258.818704][ T10] addrconf_add_dev+0xe2/0x170 [ 9258.818704][ T10] inet6_addr_add+0x12f/0xa40 [ 9258.818704][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9258.818704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9258.818704][ T10] netlink_rcv_skb+0x130/0x360 [ 9258.818704][ T10] netlink_unicast+0x449/0x710 [ 9258.818704][ T10] netlink_sendmsg+0x723/0xbe0 [ 9258.818704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9258.818704][ T10] ___sys_sendmsg+0xee/0x170 [ 9258.818704][ T10] __sys_sendmsg+0xcd/0x170 [ 9258.818704][ T10] do_syscall_64+0xc6/0x1e0 [ 9258.818704][ T10] [ 9258.821157][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9258.821157][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9258.821157][ T10] ipv6_find_idev+0x102/0x170 [ 9258.821157][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9258.821157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9258.821157][ T10] netlink_rcv_skb+0x130/0x360 [ 9258.821157][ T10] netlink_unicast+0x449/0x710 [ 9258.821157][ T10] netlink_sendmsg+0x723/0xbe0 [ 9258.821157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9258.821157][ T10] ___sys_sendmsg+0xee/0x170 [ 9258.821157][ T10] __sys_sendmsg+0xcd/0x170 [ 9258.821157][ T10] do_syscall_64+0xc6/0x1e0 [ 9258.821157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9258.821157][ T10] [ 9258.822682][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9258.822682][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9258.822682][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9258.822682][ T10] ipv6_find_idev+0x102/0x170 [ 9258.822682][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9258.822682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9258.822682][ T10] netlink_rcv_skb+0x130/0x360 [ 9258.822682][ T10] netlink_unicast+0x449/0x710 [ 9258.822682][ T10] netlink_sendmsg+0x723/0xbe0 [ 9258.822682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9258.822682][ T10] ___sys_sendmsg+0xee/0x170 [ 9258.822682][ T10] __sys_sendmsg+0xcd/0x170 [ 9258.822682][ T10] do_syscall_64+0xc6/0x1e0 [ 9258.822682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9258.822682][ T10] [ 9258.824352][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9258.824586][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9258.824586][ T10] netdev_get_by_index+0x5e/0x80 [ 9258.824586][ T10] fib6_nh_init+0x3d8/0x1580 [ 9258.824586][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9258.824586][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9258.824586][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9258.824586][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9258.824586][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9258.824586][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9258.824586][ T10] addrconf_dad_begin+0x310/0x670 [ 9258.824586][ T10] addrconf_dad_work+0x10b/0xab0 [ 9258.824586][ T10] process_one_work+0x84d/0x18a0 [ 9258.824586][ T10] worker_thread+0x587/0xd30 [ 9258.824586][ T10] kthread+0x28a/0x350 [ 9258.824586][ T10] ret_from_fork+0x31/0x70 [ 9258.824586][ T10] ret_from_fork_asm+0x1a/0x30 [ 9258.824586][ T10] [ 9258.826489][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9258.826489][ T10] netdev_get_by_index+0x5e/0x80 [ 9258.826489][ T10] fib6_nh_init+0x3d8/0x1580 [ 9258.826489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9258.826489][ T10] ip6_route_add+0x1c/0x140 [ 9258.826489][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9258.826489][ T10] inet6_addr_add+0x4f8/0xa40 [ 9258.826489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9258.826489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9258.826489][ T10] netlink_rcv_skb+0x130/0x360 [ 9258.826489][ T10] netlink_unicast+0x449/0x710 [ 9258.826489][ T10] netlink_sendmsg+0x723/0xbe0 [ 9258.826489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9258.826489][ T10] ___sys_sendmsg+0xee/0x170 [ 9258.826489][ T10] __sys_sendmsg+0xcd/0x170 [ 9258.826489][ T10] do_syscall_64+0xc6/0x1e0 [ 9258.826489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9258.826489][ T10] [ 9258.828591][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9258.828591][ T10] netdev_get_by_index+0x5e/0x80 [ 9258.828591][ T10] fib6_nh_init+0x3d8/0x1580 [ 9258.828591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9258.828591][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9258.828591][ T10] ipv6_add_addr+0x411/0x2000 [ 9258.828591][ T10] inet6_addr_add+0x30e/0xa40 [ 9258.828591][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9258.828591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9258.828591][ T10] netlink_rcv_skb+0x130/0x360 [ 9258.828591][ T10] netlink_unicast+0x449/0x710 [ 9258.828591][ T10] netlink_sendmsg+0x723/0xbe0 [ 9258.828591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9258.828591][ T10] ___sys_sendmsg+0xee/0x170 [ 9258.828591][ T10] __sys_sendmsg+0xcd/0x170 [ 9258.828591][ T10] do_syscall_64+0xc6/0x1e0 [ 9258.828591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9258.828591][ T10] [ 9258.830699][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9258.830699][ T10] netdev_get_by_index+0x5e/0x80 [ 9258.830699][ T10] fib6_nh_init+0x3d8/0x1580 [ 9258.830699][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9258.830699][ T10] ip6_route_add+0x1c/0x140 [ 9258.830699][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9258.830699][ T10] addrconf_add_dev+0xe2/0x170 [ 9258.830699][ T10] inet6_addr_add+0x12f/0xa40 [ 9258.830699][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9258.830699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9258.830699][ T10] netlink_rcv_skb+0x130/0x360 [ 9258.830699][ T10] netlink_unicast+0x449/0x710 [ 9258.830699][ T10] netlink_sendmsg+0x723/0xbe0 [ 9258.830699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9258.830699][ T10] ___sys_sendmsg+0xee/0x170 [ 9258.830699][ T10] __sys_sendmsg+0xcd/0x170 [ 9258.830699][ T10] do_syscall_64+0xc6/0x1e0 [ 9258.830699][ T10] [ 9258.832697][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9258.832697][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9258.832697][ T10] ipv6_find_idev+0x102/0x170 [ 9258.832697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9258.832697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9258.832697][ T10] netlink_rcv_skb+0x130/0x360 [ 9258.832697][ T10] netlink_unicast+0x449/0x710 [ 9258.832697][ T10] netlink_sendmsg+0x723/0xbe0 [ 9258.832697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9258.832697][ T10] ___sys_sendmsg+0xee/0x170 [ 9258.832697][ T10] __sys_sendmsg+0xcd/0x170 [ 9258.832697][ T10] do_syscall_64+0xc6/0x1e0 [ 9258.832697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9258.832697][ T10] [ 9258.834341][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9258.834341][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9258.834341][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9258.834341][ T10] ipv6_find_idev+0x102/0x170 [ 9258.834341][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9258.834341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9258.834341][ T10] netlink_rcv_skb+0x130/0x360 [ 9258.834341][ T10] netlink_unicast+0x449/0x710 [ 9258.834341][ T10] netlink_sendmsg+0x723/0xbe0 [ 9258.834341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9258.834341][ T10] ___sys_sendmsg+0xee/0x170 [ 9258.834341][ T10] __sys_sendmsg+0xcd/0x170 [ 9258.834341][ T10] do_syscall_64+0xc6/0x1e0 [ 9258.834341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9258.834341][ T10] [ 9258.836166][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9258.836401][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9258.836401][ T10] netdev_get_by_index+0x5e/0x80 [ 9258.836401][ T10] fib6_nh_init+0x3d8/0x1580 [ 9258.836401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9258.836401][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9258.836401][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9258.836401][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9258.836401][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9258.836401][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9258.836401][ T10] addrconf_dad_begin+0x310/0x670 [ 9258.836401][ T10] addrconf_dad_work+0x10b/0xab0 [ 9258.836401][ T10] process_one_work+0x84d/0x18a0 [ 9258.836401][ T10] worker_thread+0x587/0xd30 [ 9258.836401][ T10] kthread+0x28a/0x350 [ 9258.836401][ T10] ret_from_fork+0x31/0x70 [ 9258.836401][ T10] ret_from_fork_asm+0x1a/0x30 [ 9258.836401][ T10] [ 9258.838412][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9258.838412][ T10] netdev_get_by_index+0x5e/0x80 [ 9258.838412][ T10] fib6_nh_init+0x3d8/0x1580 [ 9258.838412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9258.838412][ T10] ip6_route_add+0x1c/0x140 [ 9258.838412][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9258.838412][ T10] inet6_addr_add+0x4f8/0xa40 [ 9258.838412][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9258.838412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9258.838412][ T10] netlink_rcv_skb+0x130/0x360 [ 9258.838412][ T10] netlink_unicast+0x449/0x710 [ 9258.838412][ T10] netlink_sendmsg+0x723/0xbe0 [ 9258.838412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9258.838412][ T10] ___sys_sendmsg+0xee/0x170 [ 9258.838412][ T10] __sys_sendmsg+0xcd/0x170 [ 9258.838412][ T10] do_syscall_64+0xc6/0x1e0 [ 9258.838412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9258.838412][ T10] [ 9258.840513][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9258.840513][ T10] netdev_get_by_index+0x5e/0x80 [ 9258.840513][ T10] fib6_nh_init+0x3d8/0x1580 [ 9258.840513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9258.840513][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9258.840513][ T10] ipv6_add_addr+0x411/0x2000 [ 9258.840513][ T10] inet6_addr_add+0x30e/0xa40 [ 9258.840513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9258.840513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9258.840513][ T10] netlink_rcv_skb+0x130/0x360 [ 9258.840513][ T10] netlink_unicast+0x449/0x710 [ 9258.840513][ T10] netlink_sendmsg+0x723/0xbe0 [ 9258.840513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9258.840513][ T10] ___sys_sendmsg+0xee/0x170 [ 9258.840513][ T10] __sys_sendmsg+0xcd/0x170 [ 9258.840513][ T10] do_syscall_64+0xc6/0x1e0 [ 9258.840513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9258.840513][ T10] [ 9258.842614][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9258.842614][ T10] netdev_get_by_index+0x5e/0x80 [ 9258.842614][ T10] fib6_nh_init+0x3d8/0x1580 [ 9258.842614][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9258.842614][ T10] ip6_route_add+0x1c/0x140 [ 9258.842614][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9258.842614][ T10] addrconf_add_dev+0xe2/0x170 [ 9258.842614][ T10] inet6_addr_add+0x12f/0xa40 [ 9258.842614][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9258.842614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9258.842614][ T10] netlink_rcv_skb+0x130/0x360 [ 9258.842614][ T10] netlink_unicast+0x449/0x710 [ 9258.842614][ T10] netlink_sendmsg+0x723/0xbe0 [ 9258.842614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9258.842614][ T10] ___sys_sendmsg+0xee/0x170 [ 9258.842614][ T10] __sys_sendmsg+0xcd/0x170 [ 9258.842614][ T10] do_syscall_64+0xc6/0x1e0 [ 9258.842614][ T10] [ 9258.844680][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9258.844680][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9258.844680][ T10] ipv6_find_idev+0x102/0x170 [ 9258.844680][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9258.844680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9258.844680][ T10] netlink_rcv_skb+0x130/0x360 [ 9258.844680][ T10] netlink_unicast+0x449/0x710 [ 9258.844680][ T10] netlink_sendmsg+0x723/0xbe0 [ 9258.844680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9258.844680][ T10] ___sys_sendmsg+0xee/0x170 [ 9258.844680][ T10] __sys_sendmsg+0xcd/0x170 [ 9258.844680][ T10] do_syscall_64+0xc6/0x1e0 [ 9258.844680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9258.844680][ T10] [ 9258.846273][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9258.846273][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9258.846273][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9258.846273][ T10] ipv6_find_idev+0x102/0x170 [ 9258.846273][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9258.846273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9258.846273][ T10] netlink_rcv_skb+0x130/0x360 [ 9258.846273][ T10] netlink_unicast+0x449/0x710 [ 9258.846273][ T10] netlink_sendmsg+0x723/0xbe0 [ 9258.846273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9258.846273][ T10] ___sys_sendmsg+0xee/0x170 [ 9258.846273][ T10] __sys_sendmsg+0xcd/0x170 [ 9258.846273][ T10] do_syscall_64+0xc6/0x1e0 [ 9258.846273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9258.846273][ T10] [ 9264.201227][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9264.201701][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9264.201701][ T1167] dst_init+0x84/0x4a0 [ 9264.201701][ T1167] dst_alloc+0x97/0x150 [ 9264.201701][ T1167] ip6_dst_alloc+0x23/0x90 [ 9264.201701][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9264.201701][ T1167] ip6_pol_route+0x56f/0x840 [ 9264.201701][ T1167] fib6_rule_lookup+0x334/0x630 [ 9264.201701][ T1167] ip6_route_output_flags+0x259/0x480 [ 9264.201701][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9264.201701][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9264.201701][ T1167] netlink_rcv_skb+0x130/0x360 [ 9264.201701][ T1167] netlink_unicast+0x449/0x710 [ 9264.201701][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9264.201701][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9264.201701][ T1167] ___sys_sendmsg+0xee/0x170 [ 9264.201701][ T1167] __sys_sendmsg+0xcd/0x170 [ 9264.201701][ T1167] do_syscall_64+0xc6/0x1e0 [ 9264.201701][ T1167] [ 9264.203889][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9264.203889][ T1167] netdev_get_by_index+0x5e/0x80 [ 9264.203889][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9264.203889][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9264.203889][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9264.203889][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9264.203889][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9264.203889][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9264.203889][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9264.203889][ T1167] addrconf_dad_begin+0x310/0x670 [ 9264.203889][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9264.203889][ T1167] process_one_work+0x84d/0x18a0 [ 9264.203889][ T1167] worker_thread+0x587/0xd30 [ 9264.203889][ T1167] kthread+0x28a/0x350 [ 9264.203889][ T1167] ret_from_fork+0x31/0x70 [ 9264.203889][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9264.203889][ T1167] [ 9264.206033][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9264.206033][ T1167] netdev_get_by_index+0x5e/0x80 [ 9264.206033][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9264.206033][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9264.206033][ T1167] ip6_route_add+0x1c/0x140 [ 9264.206033][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9264.206033][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9264.206033][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9264.206033][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9264.206033][ T1167] netlink_rcv_skb+0x130/0x360 [ 9264.206033][ T1167] netlink_unicast+0x449/0x710 [ 9264.206033][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9264.206033][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9264.206033][ T1167] ___sys_sendmsg+0xee/0x170 [ 9264.206033][ T1167] __sys_sendmsg+0xcd/0x170 [ 9264.206033][ T1167] do_syscall_64+0xc6/0x1e0 [ 9264.206033][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9264.206033][ T1167] [ 9264.208263][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9264.208263][ T1167] netdev_get_by_index+0x5e/0x80 [ 9264.208263][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9264.208263][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9264.208263][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9264.208263][ T1167] ipv6_add_addr+0x411/0x2000 [ 9264.208263][ T1167] inet6_addr_add+0x30e/0xa40 [ 9264.208263][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9264.208263][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9264.208263][ T1167] netlink_rcv_skb+0x130/0x360 [ 9264.208263][ T1167] netlink_unicast+0x449/0x710 [ 9264.208263][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9264.208263][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9264.208263][ T1167] ___sys_sendmsg+0xee/0x170 [ 9264.208263][ T1167] __sys_sendmsg+0xcd/0x170 [ 9264.208263][ T1167] do_syscall_64+0xc6/0x1e0 [ 9264.208263][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9264.208263][ T1167] [ 9264.210504][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9264.210504][ T1167] netdev_get_by_index+0x5e/0x80 [ 9264.210504][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9264.210504][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9264.210504][ T1167] ip6_route_add+0x1c/0x140 [ 9264.210504][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9264.210504][ T1167] addrconf_add_dev+0xe2/0x170 [ 9264.210504][ T1167] inet6_addr_add+0x12f/0xa40 [ 9264.210504][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9264.210504][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9264.210504][ T1167] netlink_rcv_skb+0x130/0x360 [ 9264.210504][ T1167] netlink_unicast+0x449/0x710 [ 9264.210504][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9264.210504][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9264.210504][ T1167] ___sys_sendmsg+0xee/0x170 [ 9264.210504][ T1167] __sys_sendmsg+0xcd/0x170 [ 9264.210504][ T1167] do_syscall_64+0xc6/0x1e0 [ 9264.210504][ T1167] [ 9264.212690][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9264.212690][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9264.212690][ T1167] ipv6_find_idev+0x102/0x170 [ 9264.212690][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9264.212690][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9264.212690][ T1167] netlink_rcv_skb+0x130/0x360 [ 9264.212690][ T1167] netlink_unicast+0x449/0x710 [ 9264.212690][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9264.212690][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9264.212690][ T1167] ___sys_sendmsg+0xee/0x170 [ 9264.212690][ T1167] __sys_sendmsg+0xcd/0x170 [ 9264.212690][ T1167] do_syscall_64+0xc6/0x1e0 [ 9264.212690][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9264.212690][ T1167] [ 9264.214403][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9264.214403][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9264.214403][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9264.214403][ T1167] ipv6_find_idev+0x102/0x170 [ 9264.214403][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9264.214403][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9264.214403][ T1167] netlink_rcv_skb+0x130/0x360 [ 9264.214403][ T1167] netlink_unicast+0x449/0x710 [ 9264.214403][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9264.214403][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9264.214403][ T1167] ___sys_sendmsg+0xee/0x170 [ 9264.214403][ T1167] __sys_sendmsg+0xcd/0x170 [ 9264.214403][ T1167] do_syscall_64+0xc6/0x1e0 [ 9264.214403][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9264.214403][ T1167] [ 9269.065048][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9269.065456][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9269.065456][ T10] netdev_get_by_index+0x5e/0x80 [ 9269.065456][ T10] fib6_nh_init+0x3d8/0x1580 [ 9269.065456][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9269.065456][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9269.065456][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9269.065456][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9269.065456][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9269.065456][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9269.065456][ T10] addrconf_dad_begin+0x310/0x670 [ 9269.065456][ T10] addrconf_dad_work+0x10b/0xab0 [ 9269.065456][ T10] process_one_work+0x84d/0x18a0 [ 9269.065456][ T10] worker_thread+0x587/0xd30 [ 9269.065456][ T10] kthread+0x28a/0x350 [ 9269.065456][ T10] ret_from_fork+0x31/0x70 [ 9269.065456][ T10] ret_from_fork_asm+0x1a/0x30 [ 9269.065456][ T10] [ 9269.067380][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9269.067380][ T10] netdev_get_by_index+0x5e/0x80 [ 9269.067380][ T10] fib6_nh_init+0x3d8/0x1580 [ 9269.067380][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9269.067380][ T10] ip6_route_add+0x1c/0x140 [ 9269.067380][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9269.067380][ T10] inet6_addr_add+0x4f8/0xa40 [ 9269.067380][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9269.067380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9269.067380][ T10] netlink_rcv_skb+0x130/0x360 [ 9269.067380][ T10] netlink_unicast+0x449/0x710 [ 9269.067380][ T10] netlink_sendmsg+0x723/0xbe0 [ 9269.067380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9269.067380][ T10] ___sys_sendmsg+0xee/0x170 [ 9269.067380][ T10] __sys_sendmsg+0xcd/0x170 [ 9269.067380][ T10] do_syscall_64+0xc6/0x1e0 [ 9269.067380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9269.067380][ T10] [ 9269.069373][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9269.069373][ T10] netdev_get_by_index+0x5e/0x80 [ 9269.069373][ T10] fib6_nh_init+0x3d8/0x1580 [ 9269.069373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9269.069373][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9269.069373][ T10] ipv6_add_addr+0x411/0x2000 [ 9269.069373][ T10] inet6_addr_add+0x30e/0xa40 [ 9269.069373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9269.069373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9269.069373][ T10] netlink_rcv_skb+0x130/0x360 [ 9269.069373][ T10] netlink_unicast+0x449/0x710 [ 9269.069373][ T10] netlink_sendmsg+0x723/0xbe0 [ 9269.069373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9269.069373][ T10] ___sys_sendmsg+0xee/0x170 [ 9269.069373][ T10] __sys_sendmsg+0xcd/0x170 [ 9269.069373][ T10] do_syscall_64+0xc6/0x1e0 [ 9269.069373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9269.069373][ T10] [ 9269.071356][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9269.071356][ T10] netdev_get_by_index+0x5e/0x80 [ 9269.071356][ T10] fib6_nh_init+0x3d8/0x1580 [ 9269.071356][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9269.071356][ T10] ip6_route_add+0x1c/0x140 [ 9269.071356][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9269.071356][ T10] addrconf_add_dev+0xe2/0x170 [ 9269.071356][ T10] inet6_addr_add+0x12f/0xa40 [ 9269.071356][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9269.071356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9269.071356][ T10] netlink_rcv_skb+0x130/0x360 [ 9269.071356][ T10] netlink_unicast+0x449/0x710 [ 9269.071356][ T10] netlink_sendmsg+0x723/0xbe0 [ 9269.071356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9269.071356][ T10] ___sys_sendmsg+0xee/0x170 [ 9269.071356][ T10] __sys_sendmsg+0xcd/0x170 [ 9269.071356][ T10] do_syscall_64+0xc6/0x1e0 [ 9269.071356][ T10] [ 9269.073312][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9269.073312][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9269.073312][ T10] ipv6_find_idev+0x102/0x170 [ 9269.073312][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9269.073312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9269.073312][ T10] netlink_rcv_skb+0x130/0x360 [ 9269.073312][ T10] netlink_unicast+0x449/0x710 [ 9269.073312][ T10] netlink_sendmsg+0x723/0xbe0 [ 9269.073312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9269.073312][ T10] ___sys_sendmsg+0xee/0x170 [ 9269.073312][ T10] __sys_sendmsg+0xcd/0x170 [ 9269.073312][ T10] do_syscall_64+0xc6/0x1e0 [ 9269.073312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9269.073312][ T10] [ 9269.074851][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9269.074851][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9269.074851][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9269.074851][ T10] ipv6_find_idev+0x102/0x170 [ 9269.074851][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9269.074851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9269.074851][ T10] netlink_rcv_skb+0x130/0x360 [ 9269.074851][ T10] netlink_unicast+0x449/0x710 [ 9269.074851][ T10] netlink_sendmsg+0x723/0xbe0 [ 9269.074851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9269.074851][ T10] ___sys_sendmsg+0xee/0x170 [ 9269.074851][ T10] __sys_sendmsg+0xcd/0x170 [ 9269.074851][ T10] do_syscall_64+0xc6/0x1e0 [ 9269.074851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9269.074851][ T10] [ 9269.076522][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9269.076767][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9269.076767][ T10] netdev_get_by_index+0x5e/0x80 [ 9269.076767][ T10] fib6_nh_init+0x3d8/0x1580 [ 9269.076767][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9269.076767][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9269.076767][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9269.076767][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9269.076767][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9269.076767][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9269.076767][ T10] addrconf_dad_begin+0x310/0x670 [ 9269.076767][ T10] addrconf_dad_work+0x10b/0xab0 [ 9269.076767][ T10] process_one_work+0x84d/0x18a0 [ 9269.076767][ T10] worker_thread+0x587/0xd30 [ 9269.076767][ T10] kthread+0x28a/0x350 [ 9269.076767][ T10] ret_from_fork+0x31/0x70 [ 9269.076767][ T10] ret_from_fork_asm+0x1a/0x30 [ 9269.076767][ T10] [ 9269.078660][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9269.078660][ T10] netdev_get_by_index+0x5e/0x80 [ 9269.078660][ T10] fib6_nh_init+0x3d8/0x1580 [ 9269.078660][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9269.078660][ T10] ip6_route_add+0x1c/0x140 [ 9269.078660][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9269.078660][ T10] inet6_addr_add+0x4f8/0xa40 [ 9269.078660][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9269.078660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9269.078660][ T10] netlink_rcv_skb+0x130/0x360 [ 9269.078660][ T10] netlink_unicast+0x449/0x710 [ 9269.078660][ T10] netlink_sendmsg+0x723/0xbe0 [ 9269.078660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9269.078660][ T10] ___sys_sendmsg+0xee/0x170 [ 9269.078660][ T10] __sys_sendmsg+0xcd/0x170 [ 9269.078660][ T10] do_syscall_64+0xc6/0x1e0 [ 9269.078660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9269.078660][ T10] [ 9269.080647][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9269.080647][ T10] netdev_get_by_index+0x5e/0x80 [ 9269.080647][ T10] fib6_nh_init+0x3d8/0x1580 [ 9269.080647][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9269.080647][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9269.080647][ T10] ipv6_add_addr+0x411/0x2000 [ 9269.080647][ T10] inet6_addr_add+0x30e/0xa40 [ 9269.080647][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9269.080647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9269.080647][ T10] netlink_rcv_skb+0x130/0x360 [ 9269.080647][ T10] netlink_unicast+0x449/0x710 [ 9269.080647][ T10] netlink_sendmsg+0x723/0xbe0 [ 9269.080647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9269.080647][ T10] ___sys_sendmsg+0xee/0x170 [ 9269.080647][ T10] __sys_sendmsg+0xcd/0x170 [ 9269.080647][ T10] do_syscall_64+0xc6/0x1e0 [ 9269.080647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9269.080647][ T10] [ 9269.082628][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9269.082628][ T10] netdev_get_by_index+0x5e/0x80 [ 9269.082628][ T10] fib6_nh_init+0x3d8/0x1580 [ 9269.082628][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9269.082628][ T10] ip6_route_add+0x1c/0x140 [ 9269.082628][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9269.082628][ T10] addrconf_add_dev+0xe2/0x170 [ 9269.082628][ T10] inet6_addr_add+0x12f/0xa40 [ 9269.082628][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9269.082628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9269.082628][ T10] netlink_rcv_skb+0x130/0x360 [ 9269.082628][ T10] netlink_unicast+0x449/0x710 [ 9269.082628][ T10] netlink_sendmsg+0x723/0xbe0 [ 9269.082628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9269.082628][ T10] ___sys_sendmsg+0xee/0x170 [ 9269.082628][ T10] __sys_sendmsg+0xcd/0x170 [ 9269.082628][ T10] do_syscall_64+0xc6/0x1e0 [ 9269.082628][ T10] [ 9269.084591][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9269.084591][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9269.084591][ T10] ipv6_find_idev+0x102/0x170 [ 9269.084591][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9269.084591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9269.084591][ T10] netlink_rcv_skb+0x130/0x360 [ 9269.084591][ T10] netlink_unicast+0x449/0x710 [ 9269.084591][ T10] netlink_sendmsg+0x723/0xbe0 [ 9269.084591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9269.084591][ T10] ___sys_sendmsg+0xee/0x170 [ 9269.084591][ T10] __sys_sendmsg+0xcd/0x170 [ 9269.084591][ T10] do_syscall_64+0xc6/0x1e0 [ 9269.084591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9269.084591][ T10] [ 9269.086127][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9269.086127][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9269.086127][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9269.086127][ T10] ipv6_find_idev+0x102/0x170 [ 9269.086127][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9269.086127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9269.086127][ T10] netlink_rcv_skb+0x130/0x360 [ 9269.086127][ T10] netlink_unicast+0x449/0x710 [ 9269.086127][ T10] netlink_sendmsg+0x723/0xbe0 [ 9269.086127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9269.086127][ T10] ___sys_sendmsg+0xee/0x170 [ 9269.086127][ T10] __sys_sendmsg+0xcd/0x170 [ 9269.086127][ T10] do_syscall_64+0xc6/0x1e0 [ 9269.086127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9269.086127][ T10] [ 9269.087797][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9269.088037][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9269.088037][ T10] netdev_get_by_index+0x5e/0x80 [ 9269.088037][ T10] fib6_nh_init+0x3d8/0x1580 [ 9269.088037][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9269.088037][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9269.088037][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9269.088037][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9269.088037][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9269.088037][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9269.088037][ T10] addrconf_dad_begin+0x310/0x670 [ 9269.088037][ T10] addrconf_dad_work+0x10b/0xab0 [ 9269.088037][ T10] process_one_work+0x84d/0x18a0 [ 9269.088037][ T10] worker_thread+0x587/0xd30 [ 9269.088037][ T10] kthread+0x28a/0x350 [ 9269.088037][ T10] ret_from_fork+0x31/0x70 [ 9269.088037][ T10] ret_from_fork_asm+0x1a/0x30 [ 9269.088037][ T10] [ 9269.089932][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9269.089932][ T10] netdev_get_by_index+0x5e/0x80 [ 9269.089932][ T10] fib6_nh_init+0x3d8/0x1580 [ 9269.089932][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9269.089932][ T10] ip6_route_add+0x1c/0x140 [ 9269.089932][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9269.089932][ T10] inet6_addr_add+0x4f8/0xa40 [ 9269.089932][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9269.089932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9269.089932][ T10] netlink_rcv_skb+0x130/0x360 [ 9269.089932][ T10] netlink_unicast+0x449/0x710 [ 9269.089932][ T10] netlink_sendmsg+0x723/0xbe0 [ 9269.089932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9269.089932][ T10] ___sys_sendmsg+0xee/0x170 [ 9269.089932][ T10] __sys_sendmsg+0xcd/0x170 [ 9269.089932][ T10] do_syscall_64+0xc6/0x1e0 [ 9269.089932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9269.089932][ T10] [ 9269.092043][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9269.092043][ T10] netdev_get_by_index+0x5e/0x80 [ 9269.092043][ T10] fib6_nh_init+0x3d8/0x1580 [ 9269.092043][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9269.092043][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9269.092043][ T10] ipv6_add_addr+0x411/0x2000 [ 9269.092043][ T10] inet6_addr_add+0x30e/0xa40 [ 9269.092043][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9269.092043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9269.092043][ T10] netlink_rcv_skb+0x130/0x360 [ 9269.092043][ T10] netlink_unicast+0x449/0x710 [ 9269.092043][ T10] netlink_sendmsg+0x723/0xbe0 [ 9269.092043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9269.092043][ T10] ___sys_sendmsg+0xee/0x170 [ 9269.092043][ T10] __sys_sendmsg+0xcd/0x170 [ 9269.092043][ T10] do_syscall_64+0xc6/0x1e0 [ 9269.092043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9269.092043][ T10] [ 9269.094157][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9269.094157][ T10] netdev_get_by_index+0x5e/0x80 [ 9269.094157][ T10] fib6_nh_init+0x3d8/0x1580 [ 9269.094157][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9269.094157][ T10] ip6_route_add+0x1c/0x140 [ 9269.094157][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9269.094157][ T10] addrconf_add_dev+0xe2/0x170 [ 9269.094157][ T10] inet6_addr_add+0x12f/0xa40 [ 9269.094157][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9269.094157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9269.094157][ T10] netlink_rcv_skb+0x130/0x360 [ 9269.094157][ T10] netlink_unicast+0x449/0x710 [ 9269.094157][ T10] netlink_sendmsg+0x723/0xbe0 [ 9269.094157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9269.094157][ T10] ___sys_sendmsg+0xee/0x170 [ 9269.094157][ T10] __sys_sendmsg+0xcd/0x170 [ 9269.094157][ T10] do_syscall_64+0xc6/0x1e0 [ 9269.094157][ T10] [ 9269.096191][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9269.096191][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9269.096191][ T10] ipv6_find_idev+0x102/0x170 [ 9269.096191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9269.096191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9269.096191][ T10] netlink_rcv_skb+0x130/0x360 [ 9269.096191][ T10] netlink_unicast+0x449/0x710 [ 9269.096191][ T10] netlink_sendmsg+0x723/0xbe0 [ 9269.096191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9269.096191][ T10] ___sys_sendmsg+0xee/0x170 [ 9269.096191][ T10] __sys_sendmsg+0xcd/0x170 [ 9269.096191][ T10] do_syscall_64+0xc6/0x1e0 [ 9269.096191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9269.096191][ T10] [ 9269.097841][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9269.097841][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9269.097841][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9269.097841][ T10] ipv6_find_idev+0x102/0x170 [ 9269.097841][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9269.097841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9269.097841][ T10] netlink_rcv_skb+0x130/0x360 [ 9269.097841][ T10] netlink_unicast+0x449/0x710 [ 9269.097841][ T10] netlink_sendmsg+0x723/0xbe0 [ 9269.097841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9269.097841][ T10] ___sys_sendmsg+0xee/0x170 [ 9269.097841][ T10] __sys_sendmsg+0xcd/0x170 [ 9269.097841][ T10] do_syscall_64+0xc6/0x1e0 [ 9269.097841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9269.097841][ T10] [ 9269.099639][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9269.099880][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9269.099880][ T10] netdev_get_by_index+0x5e/0x80 [ 9269.099880][ T10] fib6_nh_init+0x3d8/0x1580 [ 9269.099880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9269.099880][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9269.099880][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9269.099880][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9269.099880][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9269.099880][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9269.099880][ T10] addrconf_dad_begin+0x310/0x670 [ 9269.099880][ T10] addrconf_dad_work+0x10b/0xab0 [ 9269.099880][ T10] process_one_work+0x84d/0x18a0 [ 9269.099880][ T10] worker_thread+0x587/0xd30 [ 9269.099880][ T10] kthread+0x28a/0x350 [ 9269.099880][ T10] ret_from_fork+0x31/0x70 [ 9269.099880][ T10] ret_from_fork_asm+0x1a/0x30 [ 9269.099880][ T10] [ 9269.101892][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9269.101892][ T10] netdev_get_by_index+0x5e/0x80 [ 9269.101892][ T10] fib6_nh_init+0x3d8/0x1580 [ 9269.101892][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9269.101892][ T10] ip6_route_add+0x1c/0x140 [ 9269.101892][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9269.101892][ T10] inet6_addr_add+0x4f8/0xa40 [ 9269.101892][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9269.101892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9269.101892][ T10] netlink_rcv_skb+0x130/0x360 [ 9269.101892][ T10] netlink_unicast+0x449/0x710 [ 9269.101892][ T10] netlink_sendmsg+0x723/0xbe0 [ 9269.101892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9269.101892][ T10] ___sys_sendmsg+0xee/0x170 [ 9269.101892][ T10] __sys_sendmsg+0xcd/0x170 [ 9269.101892][ T10] do_syscall_64+0xc6/0x1e0 [ 9269.101892][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9269.101892][ T10] [ 9269.103999][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9269.103999][ T10] netdev_get_by_index+0x5e/0x80 [ 9269.103999][ T10] fib6_nh_init+0x3d8/0x1580 [ 9269.103999][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9269.103999][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9269.103999][ T10] ipv6_add_addr+0x411/0x2000 [ 9269.103999][ T10] inet6_addr_add+0x30e/0xa40 [ 9269.103999][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9269.103999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9269.103999][ T10] netlink_rcv_skb+0x130/0x360 [ 9269.103999][ T10] netlink_unicast+0x449/0x710 [ 9269.103999][ T10] netlink_sendmsg+0x723/0xbe0 [ 9269.103999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9269.103999][ T10] ___sys_sendmsg+0xee/0x170 [ 9269.103999][ T10] __sys_sendmsg+0xcd/0x170 [ 9269.103999][ T10] do_syscall_64+0xc6/0x1e0 [ 9269.103999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9269.103999][ T10] [ 9269.106111][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9269.106111][ T10] netdev_get_by_index+0x5e/0x80 [ 9269.106111][ T10] fib6_nh_init+0x3d8/0x1580 [ 9269.106111][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9269.106111][ T10] ip6_route_add+0x1c/0x140 [ 9269.106111][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9269.106111][ T10] addrconf_add_dev+0xe2/0x170 [ 9269.106111][ T10] inet6_addr_add+0x12f/0xa40 [ 9269.106111][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9269.106111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9269.106111][ T10] netlink_rcv_skb+0x130/0x360 [ 9269.106111][ T10] netlink_unicast+0x449/0x710 [ 9269.106111][ T10] netlink_sendmsg+0x723/0xbe0 [ 9269.106111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9269.106111][ T10] ___sys_sendmsg+0xee/0x170 [ 9269.106111][ T10] __sys_sendmsg+0xcd/0x170 [ 9269.106111][ T10] do_syscall_64+0xc6/0x1e0 [ 9269.106111][ T10] [ 9269.108178][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9269.108178][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9269.108178][ T10] ipv6_find_idev+0x102/0x170 [ 9269.108178][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9269.108178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9269.108178][ T10] netlink_rcv_skb+0x130/0x360 [ 9269.108178][ T10] netlink_unicast+0x449/0x710 [ 9269.108178][ T10] netlink_sendmsg+0x723/0xbe0 [ 9269.108178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9269.108178][ T10] ___sys_sendmsg+0xee/0x170 [ 9269.108178][ T10] __sys_sendmsg+0xcd/0x170 [ 9269.108178][ T10] do_syscall_64+0xc6/0x1e0 [ 9269.108178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9269.108178][ T10] [ 9269.109768][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9269.109768][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9269.109768][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9269.109768][ T10] ipv6_find_idev+0x102/0x170 [ 9269.109768][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9269.109768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9269.109768][ T10] netlink_rcv_skb+0x130/0x360 [ 9269.109768][ T10] netlink_unicast+0x449/0x710 [ 9269.109768][ T10] netlink_sendmsg+0x723/0xbe0 [ 9269.109768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9269.109768][ T10] ___sys_sendmsg+0xee/0x170 [ 9269.109768][ T10] __sys_sendmsg+0xcd/0x170 [ 9269.109768][ T10] do_syscall_64+0xc6/0x1e0 [ 9269.109768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9269.109768][ T10] [ 9274.465126][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9274.465617][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9274.465617][ T1167] dst_init+0x84/0x4a0 [ 9274.465617][ T1167] dst_alloc+0x97/0x150 [ 9274.465617][ T1167] ip6_dst_alloc+0x23/0x90 [ 9274.465617][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9274.465617][ T1167] ip6_pol_route+0x56f/0x840 [ 9274.465617][ T1167] fib6_rule_lookup+0x334/0x630 [ 9274.465617][ T1167] ip6_route_output_flags+0x259/0x480 [ 9274.465617][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9274.465617][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9274.465617][ T1167] netlink_rcv_skb+0x130/0x360 [ 9274.465617][ T1167] netlink_unicast+0x449/0x710 [ 9274.465617][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9274.465617][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9274.465617][ T1167] ___sys_sendmsg+0xee/0x170 [ 9274.465617][ T1167] __sys_sendmsg+0xcd/0x170 [ 9274.465617][ T1167] do_syscall_64+0xc6/0x1e0 [ 9274.465617][ T1167] [ 9274.467830][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9274.467830][ T1167] netdev_get_by_index+0x5e/0x80 [ 9274.467830][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9274.467830][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9274.467830][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9274.467830][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9274.467830][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9274.467830][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9274.467830][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9274.467830][ T1167] addrconf_dad_begin+0x310/0x670 [ 9274.467830][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9274.467830][ T1167] process_one_work+0x84d/0x18a0 [ 9274.467830][ T1167] worker_thread+0x587/0xd30 [ 9274.467830][ T1167] kthread+0x28a/0x350 [ 9274.467830][ T1167] ret_from_fork+0x31/0x70 [ 9274.467830][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9274.467830][ T1167] [ 9274.469989][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9274.469989][ T1167] netdev_get_by_index+0x5e/0x80 [ 9274.469989][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9274.469989][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9274.469989][ T1167] ip6_route_add+0x1c/0x140 [ 9274.469989][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9274.469989][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9274.469989][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9274.469989][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9274.469989][ T1167] netlink_rcv_skb+0x130/0x360 [ 9274.469989][ T1167] netlink_unicast+0x449/0x710 [ 9274.469989][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9274.469989][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9274.469989][ T1167] ___sys_sendmsg+0xee/0x170 [ 9274.469989][ T1167] __sys_sendmsg+0xcd/0x170 [ 9274.469989][ T1167] do_syscall_64+0xc6/0x1e0 [ 9274.469989][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9274.469989][ T1167] [ 9274.472261][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9274.472261][ T1167] netdev_get_by_index+0x5e/0x80 [ 9274.472261][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9274.472261][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9274.472261][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9274.472261][ T1167] ipv6_add_addr+0x411/0x2000 [ 9274.472261][ T1167] inet6_addr_add+0x30e/0xa40 [ 9274.472261][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9274.472261][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9274.472261][ T1167] netlink_rcv_skb+0x130/0x360 [ 9274.472261][ T1167] netlink_unicast+0x449/0x710 [ 9274.472261][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9274.472261][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9274.472261][ T1167] ___sys_sendmsg+0xee/0x170 [ 9274.472261][ T1167] __sys_sendmsg+0xcd/0x170 [ 9274.472261][ T1167] do_syscall_64+0xc6/0x1e0 [ 9274.472261][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9274.472261][ T1167] [ 9274.474524][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9274.474524][ T1167] netdev_get_by_index+0x5e/0x80 [ 9274.474524][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9274.474524][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9274.474524][ T1167] ip6_route_add+0x1c/0x140 [ 9274.474524][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9274.474524][ T1167] addrconf_add_dev+0xe2/0x170 [ 9274.474524][ T1167] inet6_addr_add+0x12f/0xa40 [ 9274.474524][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9274.474524][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9274.474524][ T1167] netlink_rcv_skb+0x130/0x360 [ 9274.474524][ T1167] netlink_unicast+0x449/0x710 [ 9274.474524][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9274.474524][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9274.474524][ T1167] ___sys_sendmsg+0xee/0x170 [ 9274.474524][ T1167] __sys_sendmsg+0xcd/0x170 [ 9274.474524][ T1167] do_syscall_64+0xc6/0x1e0 [ 9274.474524][ T1167] [ 9274.476758][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9274.476758][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9274.476758][ T1167] ipv6_find_idev+0x102/0x170 [ 9274.476758][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9274.476758][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9274.476758][ T1167] netlink_rcv_skb+0x130/0x360 [ 9274.476758][ T1167] netlink_unicast+0x449/0x710 [ 9274.476758][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9274.476758][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9274.476758][ T1167] ___sys_sendmsg+0xee/0x170 [ 9274.476758][ T1167] __sys_sendmsg+0xcd/0x170 [ 9274.476758][ T1167] do_syscall_64+0xc6/0x1e0 [ 9274.476758][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9274.476758][ T1167] [ 9274.478495][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9274.478495][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9274.478495][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9274.478495][ T1167] ipv6_find_idev+0x102/0x170 [ 9274.478495][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9274.478495][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9274.478495][ T1167] netlink_rcv_skb+0x130/0x360 [ 9274.478495][ T1167] netlink_unicast+0x449/0x710 [ 9274.478495][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9274.478495][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9274.478495][ T1167] ___sys_sendmsg+0xee/0x170 [ 9274.478495][ T1167] __sys_sendmsg+0xcd/0x170 [ 9274.478495][ T1167] do_syscall_64+0xc6/0x1e0 [ 9274.478495][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9274.478495][ T1167] [ 9279.353100][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9279.353524][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9279.353524][ T10] netdev_get_by_index+0x5e/0x80 [ 9279.353524][ T10] fib6_nh_init+0x3d8/0x1580 [ 9279.353524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9279.353524][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9279.353524][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9279.353524][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9279.353524][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9279.353524][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9279.353524][ T10] addrconf_dad_begin+0x310/0x670 [ 9279.353524][ T10] addrconf_dad_work+0x10b/0xab0 [ 9279.353524][ T10] process_one_work+0x84d/0x18a0 [ 9279.353524][ T10] worker_thread+0x587/0xd30 [ 9279.353524][ T10] kthread+0x28a/0x350 [ 9279.353524][ T10] ret_from_fork+0x31/0x70 [ 9279.353524][ T10] ret_from_fork_asm+0x1a/0x30 [ 9279.353524][ T10] [ 9279.355486][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9279.355486][ T10] netdev_get_by_index+0x5e/0x80 [ 9279.355486][ T10] fib6_nh_init+0x3d8/0x1580 [ 9279.355486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9279.355486][ T10] ip6_route_add+0x1c/0x140 [ 9279.355486][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9279.355486][ T10] inet6_addr_add+0x4f8/0xa40 [ 9279.355486][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9279.355486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9279.355486][ T10] netlink_rcv_skb+0x130/0x360 [ 9279.355486][ T10] netlink_unicast+0x449/0x710 [ 9279.355486][ T10] netlink_sendmsg+0x723/0xbe0 [ 9279.355486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9279.355486][ T10] ___sys_sendmsg+0xee/0x170 [ 9279.355486][ T10] __sys_sendmsg+0xcd/0x170 [ 9279.355486][ T10] do_syscall_64+0xc6/0x1e0 [ 9279.355486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9279.355486][ T10] [ 9279.357503][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9279.357503][ T10] netdev_get_by_index+0x5e/0x80 [ 9279.357503][ T10] fib6_nh_init+0x3d8/0x1580 [ 9279.357503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9279.357503][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9279.357503][ T10] ipv6_add_addr+0x411/0x2000 [ 9279.357503][ T10] inet6_addr_add+0x30e/0xa40 [ 9279.357503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9279.357503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9279.357503][ T10] netlink_rcv_skb+0x130/0x360 [ 9279.357503][ T10] netlink_unicast+0x449/0x710 [ 9279.357503][ T10] netlink_sendmsg+0x723/0xbe0 [ 9279.357503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9279.357503][ T10] ___sys_sendmsg+0xee/0x170 [ 9279.357503][ T10] __sys_sendmsg+0xcd/0x170 [ 9279.357503][ T10] do_syscall_64+0xc6/0x1e0 [ 9279.357503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9279.357503][ T10] [ 9279.359522][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9279.359522][ T10] netdev_get_by_index+0x5e/0x80 [ 9279.359522][ T10] fib6_nh_init+0x3d8/0x1580 [ 9279.359522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9279.359522][ T10] ip6_route_add+0x1c/0x140 [ 9279.359522][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9279.359522][ T10] addrconf_add_dev+0xe2/0x170 [ 9279.359522][ T10] inet6_addr_add+0x12f/0xa40 [ 9279.359522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9279.359522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9279.359522][ T10] netlink_rcv_skb+0x130/0x360 [ 9279.359522][ T10] netlink_unicast+0x449/0x710 [ 9279.359522][ T10] netlink_sendmsg+0x723/0xbe0 [ 9279.359522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9279.359522][ T10] ___sys_sendmsg+0xee/0x170 [ 9279.359522][ T10] __sys_sendmsg+0xcd/0x170 [ 9279.359522][ T10] do_syscall_64+0xc6/0x1e0 [ 9279.359522][ T10] [ 9279.361503][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9279.361503][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9279.361503][ T10] ipv6_find_idev+0x102/0x170 [ 9279.361503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9279.361503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9279.361503][ T10] netlink_rcv_skb+0x130/0x360 [ 9279.361503][ T10] netlink_unicast+0x449/0x710 [ 9279.361503][ T10] netlink_sendmsg+0x723/0xbe0 [ 9279.361503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9279.361503][ T10] ___sys_sendmsg+0xee/0x170 [ 9279.361503][ T10] __sys_sendmsg+0xcd/0x170 [ 9279.361503][ T10] do_syscall_64+0xc6/0x1e0 [ 9279.361503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9279.361503][ T10] [ 9279.363050][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9279.363050][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9279.363050][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9279.363050][ T10] ipv6_find_idev+0x102/0x170 [ 9279.363050][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9279.363050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9279.363050][ T10] netlink_rcv_skb+0x130/0x360 [ 9279.363050][ T10] netlink_unicast+0x449/0x710 [ 9279.363050][ T10] netlink_sendmsg+0x723/0xbe0 [ 9279.363050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9279.363050][ T10] ___sys_sendmsg+0xee/0x170 [ 9279.363050][ T10] __sys_sendmsg+0xcd/0x170 [ 9279.363050][ T10] do_syscall_64+0xc6/0x1e0 [ 9279.363050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9279.363050][ T10] [ 9279.364789][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9279.365042][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9279.365042][ T10] netdev_get_by_index+0x5e/0x80 [ 9279.365042][ T10] fib6_nh_init+0x3d8/0x1580 [ 9279.365042][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9279.365042][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9279.365042][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9279.365042][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9279.365042][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9279.365042][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9279.365042][ T10] addrconf_dad_begin+0x310/0x670 [ 9279.365042][ T10] addrconf_dad_work+0x10b/0xab0 [ 9279.365042][ T10] process_one_work+0x84d/0x18a0 [ 9279.365042][ T10] worker_thread+0x587/0xd30 [ 9279.365042][ T10] kthread+0x28a/0x350 [ 9279.365042][ T10] ret_from_fork+0x31/0x70 [ 9279.365042][ T10] ret_from_fork_asm+0x1a/0x30 [ 9279.365042][ T10] [ 9279.366952][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9279.366952][ T10] netdev_get_by_index+0x5e/0x80 [ 9279.366952][ T10] fib6_nh_init+0x3d8/0x1580 [ 9279.366952][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9279.366952][ T10] ip6_route_add+0x1c/0x140 [ 9279.366952][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9279.366952][ T10] inet6_addr_add+0x4f8/0xa40 [ 9279.366952][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9279.366952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9279.366952][ T10] netlink_rcv_skb+0x130/0x360 [ 9279.366952][ T10] netlink_unicast+0x449/0x710 [ 9279.366952][ T10] netlink_sendmsg+0x723/0xbe0 [ 9279.366952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9279.366952][ T10] ___sys_sendmsg+0xee/0x170 [ 9279.366952][ T10] __sys_sendmsg+0xcd/0x170 [ 9279.366952][ T10] do_syscall_64+0xc6/0x1e0 [ 9279.366952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9279.366952][ T10] [ 9279.368955][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9279.368955][ T10] netdev_get_by_index+0x5e/0x80 [ 9279.368955][ T10] fib6_nh_init+0x3d8/0x1580 [ 9279.368955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9279.368955][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9279.368955][ T10] ipv6_add_addr+0x411/0x2000 [ 9279.368955][ T10] inet6_addr_add+0x30e/0xa40 [ 9279.368955][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9279.368955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9279.368955][ T10] netlink_rcv_skb+0x130/0x360 [ 9279.368955][ T10] netlink_unicast+0x449/0x710 [ 9279.368955][ T10] netlink_sendmsg+0x723/0xbe0 [ 9279.368955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9279.368955][ T10] ___sys_sendmsg+0xee/0x170 [ 9279.368955][ T10] __sys_sendmsg+0xcd/0x170 [ 9279.368955][ T10] do_syscall_64+0xc6/0x1e0 [ 9279.368955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9279.368955][ T10] [ 9279.370958][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9279.370958][ T10] netdev_get_by_index+0x5e/0x80 [ 9279.370958][ T10] fib6_nh_init+0x3d8/0x1580 [ 9279.370958][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9279.370958][ T10] ip6_route_add+0x1c/0x140 [ 9279.370958][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9279.370958][ T10] addrconf_add_dev+0xe2/0x170 [ 9279.370958][ T10] inet6_addr_add+0x12f/0xa40 [ 9279.370958][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9279.370958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9279.370958][ T10] netlink_rcv_skb+0x130/0x360 [ 9279.370958][ T10] netlink_unicast+0x449/0x710 [ 9279.370958][ T10] netlink_sendmsg+0x723/0xbe0 [ 9279.370958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9279.370958][ T10] ___sys_sendmsg+0xee/0x170 [ 9279.370958][ T10] __sys_sendmsg+0xcd/0x170 [ 9279.370958][ T10] do_syscall_64+0xc6/0x1e0 [ 9279.370958][ T10] [ 9279.372933][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9279.372933][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9279.372933][ T10] ipv6_find_idev+0x102/0x170 [ 9279.372933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9279.372933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9279.372933][ T10] netlink_rcv_skb+0x130/0x360 [ 9279.372933][ T10] netlink_unicast+0x449/0x710 [ 9279.372933][ T10] netlink_sendmsg+0x723/0xbe0 [ 9279.372933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9279.372933][ T10] ___sys_sendmsg+0xee/0x170 [ 9279.372933][ T10] __sys_sendmsg+0xcd/0x170 [ 9279.372933][ T10] do_syscall_64+0xc6/0x1e0 [ 9279.372933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9279.372933][ T10] [ 9279.374480][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9279.374480][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9279.374480][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9279.374480][ T10] ipv6_find_idev+0x102/0x170 [ 9279.374480][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9279.374480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9279.374480][ T10] netlink_rcv_skb+0x130/0x360 [ 9279.374480][ T10] netlink_unicast+0x449/0x710 [ 9279.374480][ T10] netlink_sendmsg+0x723/0xbe0 [ 9279.374480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9279.374480][ T10] ___sys_sendmsg+0xee/0x170 [ 9279.374480][ T10] __sys_sendmsg+0xcd/0x170 [ 9279.374480][ T10] do_syscall_64+0xc6/0x1e0 [ 9279.374480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9279.374480][ T10] [ 9279.376209][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9279.376449][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9279.376449][ T10] netdev_get_by_index+0x5e/0x80 [ 9279.376449][ T10] fib6_nh_init+0x3d8/0x1580 [ 9279.376449][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9279.376449][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9279.376449][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9279.376449][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9279.376449][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9279.376449][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9279.376449][ T10] addrconf_dad_begin+0x310/0x670 [ 9279.376449][ T10] addrconf_dad_work+0x10b/0xab0 [ 9279.376449][ T10] process_one_work+0x84d/0x18a0 [ 9279.376449][ T10] worker_thread+0x587/0xd30 [ 9279.376449][ T10] kthread+0x28a/0x350 [ 9279.376449][ T10] ret_from_fork+0x31/0x70 [ 9279.376449][ T10] ret_from_fork_asm+0x1a/0x30 [ 9279.376449][ T10] [ 9279.378382][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9279.378382][ T10] netdev_get_by_index+0x5e/0x80 [ 9279.378382][ T10] fib6_nh_init+0x3d8/0x1580 [ 9279.378382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9279.378382][ T10] ip6_route_add+0x1c/0x140 [ 9279.378382][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9279.378382][ T10] inet6_addr_add+0x4f8/0xa40 [ 9279.378382][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9279.378382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9279.378382][ T10] netlink_rcv_skb+0x130/0x360 [ 9279.378382][ T10] netlink_unicast+0x449/0x710 [ 9279.378382][ T10] netlink_sendmsg+0x723/0xbe0 [ 9279.378382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9279.378382][ T10] ___sys_sendmsg+0xee/0x170 [ 9279.378382][ T10] __sys_sendmsg+0xcd/0x170 [ 9279.378382][ T10] do_syscall_64+0xc6/0x1e0 [ 9279.378382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9279.378382][ T10] [ 9279.380522][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9279.380522][ T10] netdev_get_by_index+0x5e/0x80 [ 9279.380522][ T10] fib6_nh_init+0x3d8/0x1580 [ 9279.380522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9279.380522][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9279.380522][ T10] ipv6_add_addr+0x411/0x2000 [ 9279.380522][ T10] inet6_addr_add+0x30e/0xa40 [ 9279.380522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9279.380522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9279.380522][ T10] netlink_rcv_skb+0x130/0x360 [ 9279.380522][ T10] netlink_unicast+0x449/0x710 [ 9279.380522][ T10] netlink_sendmsg+0x723/0xbe0 [ 9279.380522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9279.380522][ T10] ___sys_sendmsg+0xee/0x170 [ 9279.380522][ T10] __sys_sendmsg+0xcd/0x170 [ 9279.380522][ T10] do_syscall_64+0xc6/0x1e0 [ 9279.380522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9279.380522][ T10] [ 9279.382666][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9279.382666][ T10] netdev_get_by_index+0x5e/0x80 [ 9279.382666][ T10] fib6_nh_init+0x3d8/0x1580 [ 9279.382666][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9279.382666][ T10] ip6_route_add+0x1c/0x140 [ 9279.382666][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9279.382666][ T10] addrconf_add_dev+0xe2/0x170 [ 9279.382666][ T10] inet6_addr_add+0x12f/0xa40 [ 9279.382666][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9279.382666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9279.382666][ T10] netlink_rcv_skb+0x130/0x360 [ 9279.382666][ T10] netlink_unicast+0x449/0x710 [ 9279.382666][ T10] netlink_sendmsg+0x723/0xbe0 [ 9279.382666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9279.382666][ T10] ___sys_sendmsg+0xee/0x170 [ 9279.382666][ T10] __sys_sendmsg+0xcd/0x170 [ 9279.382666][ T10] do_syscall_64+0xc6/0x1e0 [ 9279.382666][ T10] [ 9279.384793][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9279.384793][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9279.384793][ T10] ipv6_find_idev+0x102/0x170 [ 9279.384793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9279.384793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9279.384793][ T10] netlink_rcv_skb+0x130/0x360 [ 9279.384793][ T10] netlink_unicast+0x449/0x710 [ 9279.384793][ T10] netlink_sendmsg+0x723/0xbe0 [ 9279.384793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9279.384793][ T10] ___sys_sendmsg+0xee/0x170 [ 9279.384793][ T10] __sys_sendmsg+0xcd/0x170 [ 9279.384793][ T10] do_syscall_64+0xc6/0x1e0 [ 9279.384793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9279.384793][ T10] [ 9279.386406][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9279.386406][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9279.386406][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9279.386406][ T10] ipv6_find_idev+0x102/0x170 [ 9279.386406][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9279.386406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9279.386406][ T10] netlink_rcv_skb+0x130/0x360 [ 9279.386406][ T10] netlink_unicast+0x449/0x710 [ 9279.386406][ T10] netlink_sendmsg+0x723/0xbe0 [ 9279.386406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9279.386406][ T10] ___sys_sendmsg+0xee/0x170 [ 9279.386406][ T10] __sys_sendmsg+0xcd/0x170 [ 9279.386406][ T10] do_syscall_64+0xc6/0x1e0 [ 9279.386406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9279.386406][ T10] [ 9279.388242][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9279.388481][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9279.388481][ T10] netdev_get_by_index+0x5e/0x80 [ 9279.388481][ T10] fib6_nh_init+0x3d8/0x1580 [ 9279.388481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9279.388481][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9279.388481][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9279.388481][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9279.388481][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9279.388481][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9279.388481][ T10] addrconf_dad_begin+0x310/0x670 [ 9279.388481][ T10] addrconf_dad_work+0x10b/0xab0 [ 9279.388481][ T10] process_one_work+0x84d/0x18a0 [ 9279.388481][ T10] worker_thread+0x587/0xd30 [ 9279.388481][ T10] kthread+0x28a/0x350 [ 9279.388481][ T10] ret_from_fork+0x31/0x70 [ 9279.388481][ T10] ret_from_fork_asm+0x1a/0x30 [ 9279.388481][ T10] [ 9279.390536][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9279.390536][ T10] netdev_get_by_index+0x5e/0x80 [ 9279.390536][ T10] fib6_nh_init+0x3d8/0x1580 [ 9279.390536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9279.390536][ T10] ip6_route_add+0x1c/0x140 [ 9279.390536][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9279.390536][ T10] inet6_addr_add+0x4f8/0xa40 [ 9279.390536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9279.390536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9279.390536][ T10] netlink_rcv_skb+0x130/0x360 [ 9279.390536][ T10] netlink_unicast+0x449/0x710 [ 9279.390536][ T10] netlink_sendmsg+0x723/0xbe0 [ 9279.390536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9279.390536][ T10] ___sys_sendmsg+0xee/0x170 [ 9279.390536][ T10] __sys_sendmsg+0xcd/0x170 [ 9279.390536][ T10] do_syscall_64+0xc6/0x1e0 [ 9279.390536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9279.390536][ T10] [ 9279.392742][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9279.392742][ T10] netdev_get_by_index+0x5e/0x80 [ 9279.392742][ T10] fib6_nh_init+0x3d8/0x1580 [ 9279.392742][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9279.392742][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9279.392742][ T10] ipv6_add_addr+0x411/0x2000 [ 9279.392742][ T10] inet6_addr_add+0x30e/0xa40 [ 9279.392742][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9279.392742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9279.392742][ T10] netlink_rcv_skb+0x130/0x360 [ 9279.392742][ T10] netlink_unicast+0x449/0x710 [ 9279.392742][ T10] netlink_sendmsg+0x723/0xbe0 [ 9279.392742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9279.392742][ T10] ___sys_sendmsg+0xee/0x170 [ 9279.392742][ T10] __sys_sendmsg+0xcd/0x170 [ 9279.392742][ T10] do_syscall_64+0xc6/0x1e0 [ 9279.392742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9279.392742][ T10] [ 9279.394895][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9279.394895][ T10] netdev_get_by_index+0x5e/0x80 [ 9279.394895][ T10] fib6_nh_init+0x3d8/0x1580 [ 9279.394895][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9279.394895][ T10] ip6_route_add+0x1c/0x140 [ 9279.394895][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9279.394895][ T10] addrconf_add_dev+0xe2/0x170 [ 9279.394895][ T10] inet6_addr_add+0x12f/0xa40 [ 9279.394895][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9279.394895][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9279.394895][ T10] netlink_rcv_skb+0x130/0x360 [ 9279.394895][ T10] netlink_unicast+0x449/0x710 [ 9279.394895][ T10] netlink_sendmsg+0x723/0xbe0 [ 9279.394895][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9279.394895][ T10] ___sys_sendmsg+0xee/0x170 [ 9279.394895][ T10] __sys_sendmsg+0xcd/0x170 [ 9279.394895][ T10] do_syscall_64+0xc6/0x1e0 [ 9279.394895][ T10] [ 9279.396999][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9279.396999][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9279.396999][ T10] ipv6_find_idev+0x102/0x170 [ 9279.396999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9279.396999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9279.396999][ T10] netlink_rcv_skb+0x130/0x360 [ 9279.396999][ T10] netlink_unicast+0x449/0x710 [ 9279.396999][ T10] netlink_sendmsg+0x723/0xbe0 [ 9279.396999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9279.396999][ T10] ___sys_sendmsg+0xee/0x170 [ 9279.396999][ T10] __sys_sendmsg+0xcd/0x170 [ 9279.396999][ T10] do_syscall_64+0xc6/0x1e0 [ 9279.396999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9279.396999][ T10] [ 9279.398615][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9279.398615][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9279.398615][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9279.398615][ T10] ipv6_find_idev+0x102/0x170 [ 9279.398615][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9279.398615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9279.398615][ T10] netlink_rcv_skb+0x130/0x360 [ 9279.398615][ T10] netlink_unicast+0x449/0x710 [ 9279.398615][ T10] netlink_sendmsg+0x723/0xbe0 [ 9279.398615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9279.398615][ T10] ___sys_sendmsg+0xee/0x170 [ 9279.398615][ T10] __sys_sendmsg+0xcd/0x170 [ 9279.398615][ T10] do_syscall_64+0xc6/0x1e0 [ 9279.398615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9279.398615][ T10] [ 9284.729114][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9284.729582][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9284.729582][ T1167] dst_init+0x84/0x4a0 [ 9284.729582][ T1167] dst_alloc+0x97/0x150 [ 9284.729582][ T1167] ip6_dst_alloc+0x23/0x90 [ 9284.729582][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9284.729582][ T1167] ip6_pol_route+0x56f/0x840 [ 9284.729582][ T1167] fib6_rule_lookup+0x334/0x630 [ 9284.729582][ T1167] ip6_route_output_flags+0x259/0x480 [ 9284.729582][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9284.729582][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9284.729582][ T1167] netlink_rcv_skb+0x130/0x360 [ 9284.729582][ T1167] netlink_unicast+0x449/0x710 [ 9284.729582][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9284.729582][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9284.729582][ T1167] ___sys_sendmsg+0xee/0x170 [ 9284.729582][ T1167] __sys_sendmsg+0xcd/0x170 [ 9284.729582][ T1167] do_syscall_64+0xc6/0x1e0 [ 9284.729582][ T1167] [ 9284.731782][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9284.731782][ T1167] netdev_get_by_index+0x5e/0x80 [ 9284.731782][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9284.731782][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9284.731782][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9284.731782][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9284.731782][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9284.731782][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9284.731782][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9284.731782][ T1167] addrconf_dad_begin+0x310/0x670 [ 9284.731782][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9284.731782][ T1167] process_one_work+0x84d/0x18a0 [ 9284.731782][ T1167] worker_thread+0x587/0xd30 [ 9284.731782][ T1167] kthread+0x28a/0x350 [ 9284.731782][ T1167] ret_from_fork+0x31/0x70 [ 9284.731782][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9284.731782][ T1167] [ 9284.733940][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9284.733940][ T1167] netdev_get_by_index+0x5e/0x80 [ 9284.733940][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9284.733940][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9284.733940][ T1167] ip6_route_add+0x1c/0x140 [ 9284.733940][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9284.733940][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9284.733940][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9284.733940][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9284.733940][ T1167] netlink_rcv_skb+0x130/0x360 [ 9284.733940][ T1167] netlink_unicast+0x449/0x710 [ 9284.733940][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9284.733940][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9284.733940][ T1167] ___sys_sendmsg+0xee/0x170 [ 9284.733940][ T1167] __sys_sendmsg+0xcd/0x170 [ 9284.733940][ T1167] do_syscall_64+0xc6/0x1e0 [ 9284.733940][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9284.733940][ T1167] [ 9284.736193][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9284.736193][ T1167] netdev_get_by_index+0x5e/0x80 [ 9284.736193][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9284.736193][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9284.736193][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9284.736193][ T1167] ipv6_add_addr+0x411/0x2000 [ 9284.736193][ T1167] inet6_addr_add+0x30e/0xa40 [ 9284.736193][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9284.736193][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9284.736193][ T1167] netlink_rcv_skb+0x130/0x360 [ 9284.736193][ T1167] netlink_unicast+0x449/0x710 [ 9284.736193][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9284.736193][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9284.736193][ T1167] ___sys_sendmsg+0xee/0x170 [ 9284.736193][ T1167] __sys_sendmsg+0xcd/0x170 [ 9284.736193][ T1167] do_syscall_64+0xc6/0x1e0 [ 9284.736193][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9284.736193][ T1167] [ 9284.738428][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9284.738428][ T1167] netdev_get_by_index+0x5e/0x80 [ 9284.738428][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9284.738428][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9284.738428][ T1167] ip6_route_add+0x1c/0x140 [ 9284.738428][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9284.738428][ T1167] addrconf_add_dev+0xe2/0x170 [ 9284.738428][ T1167] inet6_addr_add+0x12f/0xa40 [ 9284.738428][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9284.738428][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9284.738428][ T1167] netlink_rcv_skb+0x130/0x360 [ 9284.738428][ T1167] netlink_unicast+0x449/0x710 [ 9284.738428][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9284.738428][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9284.738428][ T1167] ___sys_sendmsg+0xee/0x170 [ 9284.738428][ T1167] __sys_sendmsg+0xcd/0x170 [ 9284.738428][ T1167] do_syscall_64+0xc6/0x1e0 [ 9284.738428][ T1167] [ 9284.740625][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9284.740625][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9284.740625][ T1167] ipv6_find_idev+0x102/0x170 [ 9284.740625][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9284.740625][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9284.740625][ T1167] netlink_rcv_skb+0x130/0x360 [ 9284.740625][ T1167] netlink_unicast+0x449/0x710 [ 9284.740625][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9284.740625][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9284.740625][ T1167] ___sys_sendmsg+0xee/0x170 [ 9284.740625][ T1167] __sys_sendmsg+0xcd/0x170 [ 9284.740625][ T1167] do_syscall_64+0xc6/0x1e0 [ 9284.740625][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9284.740625][ T1167] [ 9284.742347][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9284.742347][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9284.742347][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9284.742347][ T1167] ipv6_find_idev+0x102/0x170 [ 9284.742347][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9284.742347][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9284.742347][ T1167] netlink_rcv_skb+0x130/0x360 [ 9284.742347][ T1167] netlink_unicast+0x449/0x710 [ 9284.742347][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9284.742347][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9284.742347][ T1167] ___sys_sendmsg+0xee/0x170 [ 9284.742347][ T1167] __sys_sendmsg+0xcd/0x170 [ 9284.742347][ T1167] do_syscall_64+0xc6/0x1e0 [ 9284.742347][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9284.742347][ T1167] [ 9289.641145][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9289.641504][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9289.641504][ T10] netdev_get_by_index+0x5e/0x80 [ 9289.641504][ T10] fib6_nh_init+0x3d8/0x1580 [ 9289.641504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9289.641504][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9289.641504][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9289.641504][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9289.641504][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9289.641504][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9289.641504][ T10] addrconf_dad_begin+0x310/0x670 [ 9289.641504][ T10] addrconf_dad_work+0x10b/0xab0 [ 9289.641504][ T10] process_one_work+0x84d/0x18a0 [ 9289.641504][ T10] worker_thread+0x587/0xd30 [ 9289.641504][ T10] kthread+0x28a/0x350 [ 9289.641504][ T10] ret_from_fork+0x31/0x70 [ 9289.641504][ T10] ret_from_fork_asm+0x1a/0x30 [ 9289.641504][ T10] [ 9289.643459][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9289.643459][ T10] netdev_get_by_index+0x5e/0x80 [ 9289.643459][ T10] fib6_nh_init+0x3d8/0x1580 [ 9289.643459][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9289.643459][ T10] ip6_route_add+0x1c/0x140 [ 9289.643459][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9289.643459][ T10] inet6_addr_add+0x4f8/0xa40 [ 9289.643459][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9289.643459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9289.643459][ T10] netlink_rcv_skb+0x130/0x360 [ 9289.643459][ T10] netlink_unicast+0x449/0x710 [ 9289.643459][ T10] netlink_sendmsg+0x723/0xbe0 [ 9289.643459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9289.643459][ T10] ___sys_sendmsg+0xee/0x170 [ 9289.643459][ T10] __sys_sendmsg+0xcd/0x170 [ 9289.643459][ T10] do_syscall_64+0xc6/0x1e0 [ 9289.643459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9289.643459][ T10] [ 9289.645474][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9289.645474][ T10] netdev_get_by_index+0x5e/0x80 [ 9289.645474][ T10] fib6_nh_init+0x3d8/0x1580 [ 9289.645474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9289.645474][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9289.645474][ T10] ipv6_add_addr+0x411/0x2000 [ 9289.645474][ T10] inet6_addr_add+0x30e/0xa40 [ 9289.645474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9289.645474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9289.645474][ T10] netlink_rcv_skb+0x130/0x360 [ 9289.645474][ T10] netlink_unicast+0x449/0x710 [ 9289.645474][ T10] netlink_sendmsg+0x723/0xbe0 [ 9289.645474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9289.645474][ T10] ___sys_sendmsg+0xee/0x170 [ 9289.645474][ T10] __sys_sendmsg+0xcd/0x170 [ 9289.645474][ T10] do_syscall_64+0xc6/0x1e0 [ 9289.645474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9289.645474][ T10] [ 9289.647484][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9289.647484][ T10] netdev_get_by_index+0x5e/0x80 [ 9289.647484][ T10] fib6_nh_init+0x3d8/0x1580 [ 9289.647484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9289.647484][ T10] ip6_route_add+0x1c/0x140 [ 9289.647484][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9289.647484][ T10] addrconf_add_dev+0xe2/0x170 [ 9289.647484][ T10] inet6_addr_add+0x12f/0xa40 [ 9289.647484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9289.647484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9289.647484][ T10] netlink_rcv_skb+0x130/0x360 [ 9289.647484][ T10] netlink_unicast+0x449/0x710 [ 9289.647484][ T10] netlink_sendmsg+0x723/0xbe0 [ 9289.647484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9289.647484][ T10] ___sys_sendmsg+0xee/0x170 [ 9289.647484][ T10] __sys_sendmsg+0xcd/0x170 [ 9289.647484][ T10] do_syscall_64+0xc6/0x1e0 [ 9289.647484][ T10] [ 9289.649453][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9289.649453][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9289.649453][ T10] ipv6_find_idev+0x102/0x170 [ 9289.649453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9289.649453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9289.649453][ T10] netlink_rcv_skb+0x130/0x360 [ 9289.649453][ T10] netlink_unicast+0x449/0x710 [ 9289.649453][ T10] netlink_sendmsg+0x723/0xbe0 [ 9289.649453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9289.649453][ T10] ___sys_sendmsg+0xee/0x170 [ 9289.649453][ T10] __sys_sendmsg+0xcd/0x170 [ 9289.649453][ T10] do_syscall_64+0xc6/0x1e0 [ 9289.649453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9289.649453][ T10] [ 9289.651530][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9289.651530][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9289.651530][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9289.651530][ T10] ipv6_find_idev+0x102/0x170 [ 9289.651530][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9289.651530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9289.651530][ T10] netlink_rcv_skb+0x130/0x360 [ 9289.651530][ T10] netlink_unicast+0x449/0x710 [ 9289.651530][ T10] netlink_sendmsg+0x723/0xbe0 [ 9289.651530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9289.651530][ T10] ___sys_sendmsg+0xee/0x170 [ 9289.651530][ T10] __sys_sendmsg+0xcd/0x170 [ 9289.651530][ T10] do_syscall_64+0xc6/0x1e0 [ 9289.651530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9289.651530][ T10] [ 9289.653242][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9289.653485][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9289.653485][ T10] netdev_get_by_index+0x5e/0x80 [ 9289.653485][ T10] fib6_nh_init+0x3d8/0x1580 [ 9289.653485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9289.653485][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9289.653485][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9289.653485][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9289.653485][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9289.653485][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9289.653485][ T10] addrconf_dad_begin+0x310/0x670 [ 9289.653485][ T10] addrconf_dad_work+0x10b/0xab0 [ 9289.653485][ T10] process_one_work+0x84d/0x18a0 [ 9289.653485][ T10] worker_thread+0x587/0xd30 [ 9289.653485][ T10] kthread+0x28a/0x350 [ 9289.653485][ T10] ret_from_fork+0x31/0x70 [ 9289.653485][ T10] ret_from_fork_asm+0x1a/0x30 [ 9289.653485][ T10] [ 9289.655406][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9289.655406][ T10] netdev_get_by_index+0x5e/0x80 [ 9289.655406][ T10] fib6_nh_init+0x3d8/0x1580 [ 9289.655406][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9289.655406][ T10] ip6_route_add+0x1c/0x140 [ 9289.655406][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9289.655406][ T10] inet6_addr_add+0x4f8/0xa40 [ 9289.655406][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9289.655406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9289.655406][ T10] netlink_rcv_skb+0x130/0x360 [ 9289.655406][ T10] netlink_unicast+0x449/0x710 [ 9289.655406][ T10] netlink_sendmsg+0x723/0xbe0 [ 9289.655406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9289.655406][ T10] ___sys_sendmsg+0xee/0x170 [ 9289.655406][ T10] __sys_sendmsg+0xcd/0x170 [ 9289.655406][ T10] do_syscall_64+0xc6/0x1e0 [ 9289.655406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9289.655406][ T10] [ 9289.657407][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9289.657407][ T10] netdev_get_by_index+0x5e/0x80 [ 9289.657407][ T10] fib6_nh_init+0x3d8/0x1580 [ 9289.657407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9289.657407][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9289.657407][ T10] ipv6_add_addr+0x411/0x2000 [ 9289.657407][ T10] inet6_addr_add+0x30e/0xa40 [ 9289.657407][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9289.657407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9289.657407][ T10] netlink_rcv_skb+0x130/0x360 [ 9289.657407][ T10] netlink_unicast+0x449/0x710 [ 9289.657407][ T10] netlink_sendmsg+0x723/0xbe0 [ 9289.657407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9289.657407][ T10] ___sys_sendmsg+0xee/0x170 [ 9289.657407][ T10] __sys_sendmsg+0xcd/0x170 [ 9289.657407][ T10] do_syscall_64+0xc6/0x1e0 [ 9289.657407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9289.657407][ T10] [ 9289.659411][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9289.659411][ T10] netdev_get_by_index+0x5e/0x80 [ 9289.659411][ T10] fib6_nh_init+0x3d8/0x1580 [ 9289.659411][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9289.659411][ T10] ip6_route_add+0x1c/0x140 [ 9289.659411][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9289.659411][ T10] addrconf_add_dev+0xe2/0x170 [ 9289.659411][ T10] inet6_addr_add+0x12f/0xa40 [ 9289.659411][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9289.659411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9289.659411][ T10] netlink_rcv_skb+0x130/0x360 [ 9289.659411][ T10] netlink_unicast+0x449/0x710 [ 9289.659411][ T10] netlink_sendmsg+0x723/0xbe0 [ 9289.659411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9289.659411][ T10] ___sys_sendmsg+0xee/0x170 [ 9289.659411][ T10] __sys_sendmsg+0xcd/0x170 [ 9289.659411][ T10] do_syscall_64+0xc6/0x1e0 [ 9289.659411][ T10] [ 9289.661376][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9289.661376][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9289.661376][ T10] ipv6_find_idev+0x102/0x170 [ 9289.661376][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9289.661376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9289.661376][ T10] netlink_rcv_skb+0x130/0x360 [ 9289.661376][ T10] netlink_unicast+0x449/0x710 [ 9289.661376][ T10] netlink_sendmsg+0x723/0xbe0 [ 9289.661376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9289.661376][ T10] ___sys_sendmsg+0xee/0x170 [ 9289.661376][ T10] __sys_sendmsg+0xcd/0x170 [ 9289.661376][ T10] do_syscall_64+0xc6/0x1e0 [ 9289.661376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9289.661376][ T10] [ 9289.662921][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9289.662921][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9289.662921][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9289.662921][ T10] ipv6_find_idev+0x102/0x170 [ 9289.662921][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9289.662921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9289.662921][ T10] netlink_rcv_skb+0x130/0x360 [ 9289.662921][ T10] netlink_unicast+0x449/0x710 [ 9289.662921][ T10] netlink_sendmsg+0x723/0xbe0 [ 9289.662921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9289.662921][ T10] ___sys_sendmsg+0xee/0x170 [ 9289.662921][ T10] __sys_sendmsg+0xcd/0x170 [ 9289.662921][ T10] do_syscall_64+0xc6/0x1e0 [ 9289.662921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9289.662921][ T10] [ 9289.664615][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9289.664854][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9289.664854][ T10] netdev_get_by_index+0x5e/0x80 [ 9289.664854][ T10] fib6_nh_init+0x3d8/0x1580 [ 9289.664854][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9289.664854][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9289.664854][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9289.664854][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9289.664854][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9289.664854][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9289.664854][ T10] addrconf_dad_begin+0x310/0x670 [ 9289.664854][ T10] addrconf_dad_work+0x10b/0xab0 [ 9289.664854][ T10] process_one_work+0x84d/0x18a0 [ 9289.664854][ T10] worker_thread+0x587/0xd30 [ 9289.664854][ T10] kthread+0x28a/0x350 [ 9289.664854][ T10] ret_from_fork+0x31/0x70 [ 9289.664854][ T10] ret_from_fork_asm+0x1a/0x30 [ 9289.664854][ T10] [ 9289.666766][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9289.666766][ T10] netdev_get_by_index+0x5e/0x80 [ 9289.666766][ T10] fib6_nh_init+0x3d8/0x1580 [ 9289.666766][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9289.666766][ T10] ip6_route_add+0x1c/0x140 [ 9289.666766][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9289.666766][ T10] inet6_addr_add+0x4f8/0xa40 [ 9289.666766][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9289.666766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9289.666766][ T10] netlink_rcv_skb+0x130/0x360 [ 9289.666766][ T10] netlink_unicast+0x449/0x710 [ 9289.666766][ T10] netlink_sendmsg+0x723/0xbe0 [ 9289.666766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9289.666766][ T10] ___sys_sendmsg+0xee/0x170 [ 9289.666766][ T10] __sys_sendmsg+0xcd/0x170 [ 9289.666766][ T10] do_syscall_64+0xc6/0x1e0 [ 9289.666766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9289.666766][ T10] [ 9289.668947][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9289.668947][ T10] netdev_get_by_index+0x5e/0x80 [ 9289.668947][ T10] fib6_nh_init+0x3d8/0x1580 [ 9289.668947][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9289.668947][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9289.668947][ T10] ipv6_add_addr+0x411/0x2000 [ 9289.668947][ T10] inet6_addr_add+0x30e/0xa40 [ 9289.668947][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9289.668947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9289.668947][ T10] netlink_rcv_skb+0x130/0x360 [ 9289.668947][ T10] netlink_unicast+0x449/0x710 [ 9289.668947][ T10] netlink_sendmsg+0x723/0xbe0 [ 9289.668947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9289.668947][ T10] ___sys_sendmsg+0xee/0x170 [ 9289.668947][ T10] __sys_sendmsg+0xcd/0x170 [ 9289.668947][ T10] do_syscall_64+0xc6/0x1e0 [ 9289.668947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9289.668947][ T10] [ 9289.671354][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9289.671354][ T10] netdev_get_by_index+0x5e/0x80 [ 9289.671354][ T10] fib6_nh_init+0x3d8/0x1580 [ 9289.671354][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9289.671354][ T10] ip6_route_add+0x1c/0x140 [ 9289.671354][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9289.671354][ T10] addrconf_add_dev+0xe2/0x170 [ 9289.671354][ T10] inet6_addr_add+0x12f/0xa40 [ 9289.671354][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9289.671354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9289.671354][ T10] netlink_rcv_skb+0x130/0x360 [ 9289.671354][ T10] netlink_unicast+0x449/0x710 [ 9289.671354][ T10] netlink_sendmsg+0x723/0xbe0 [ 9289.671354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9289.671354][ T10] ___sys_sendmsg+0xee/0x170 [ 9289.671354][ T10] __sys_sendmsg+0xcd/0x170 [ 9289.671354][ T10] do_syscall_64+0xc6/0x1e0 [ 9289.671354][ T10] [ 9289.673500][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9289.673500][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9289.673500][ T10] ipv6_find_idev+0x102/0x170 [ 9289.673500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9289.673500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9289.673500][ T10] netlink_rcv_skb+0x130/0x360 [ 9289.673500][ T10] netlink_unicast+0x449/0x710 [ 9289.673500][ T10] netlink_sendmsg+0x723/0xbe0 [ 9289.673500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9289.673500][ T10] ___sys_sendmsg+0xee/0x170 [ 9289.673500][ T10] __sys_sendmsg+0xcd/0x170 [ 9289.673500][ T10] do_syscall_64+0xc6/0x1e0 [ 9289.673500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9289.673500][ T10] [ 9289.675242][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9289.675242][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9289.675242][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9289.675242][ T10] ipv6_find_idev+0x102/0x170 [ 9289.675242][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9289.675242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9289.675242][ T10] netlink_rcv_skb+0x130/0x360 [ 9289.675242][ T10] netlink_unicast+0x449/0x710 [ 9289.675242][ T10] netlink_sendmsg+0x723/0xbe0 [ 9289.675242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9289.675242][ T10] ___sys_sendmsg+0xee/0x170 [ 9289.675242][ T10] __sys_sendmsg+0xcd/0x170 [ 9289.675242][ T10] do_syscall_64+0xc6/0x1e0 [ 9289.675242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9289.675242][ T10] [ 9289.677165][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9289.677404][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9289.677404][ T10] netdev_get_by_index+0x5e/0x80 [ 9289.677404][ T10] fib6_nh_init+0x3d8/0x1580 [ 9289.677404][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9289.677404][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9289.677404][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9289.677404][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9289.677404][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9289.677404][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9289.677404][ T10] addrconf_dad_begin+0x310/0x670 [ 9289.677404][ T10] addrconf_dad_work+0x10b/0xab0 [ 9289.677404][ T10] process_one_work+0x84d/0x18a0 [ 9289.677404][ T10] worker_thread+0x587/0xd30 [ 9289.677404][ T10] kthread+0x28a/0x350 [ 9289.677404][ T10] ret_from_fork+0x31/0x70 [ 9289.677404][ T10] ret_from_fork_asm+0x1a/0x30 [ 9289.677404][ T10] [ 9289.679618][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9289.679618][ T10] netdev_get_by_index+0x5e/0x80 [ 9289.679618][ T10] fib6_nh_init+0x3d8/0x1580 [ 9289.679618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9289.679618][ T10] ip6_route_add+0x1c/0x140 [ 9289.679618][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9289.679618][ T10] inet6_addr_add+0x4f8/0xa40 [ 9289.679618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9289.679618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9289.679618][ T10] netlink_rcv_skb+0x130/0x360 [ 9289.679618][ T10] netlink_unicast+0x449/0x710 [ 9289.679618][ T10] netlink_sendmsg+0x723/0xbe0 [ 9289.679618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9289.679618][ T10] ___sys_sendmsg+0xee/0x170 [ 9289.679618][ T10] __sys_sendmsg+0xcd/0x170 [ 9289.679618][ T10] do_syscall_64+0xc6/0x1e0 [ 9289.679618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9289.679618][ T10] [ 9289.681804][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9289.681804][ T10] netdev_get_by_index+0x5e/0x80 [ 9289.681804][ T10] fib6_nh_init+0x3d8/0x1580 [ 9289.681804][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9289.681804][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9289.681804][ T10] ipv6_add_addr+0x411/0x2000 [ 9289.681804][ T10] inet6_addr_add+0x30e/0xa40 [ 9289.681804][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9289.681804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9289.681804][ T10] netlink_rcv_skb+0x130/0x360 [ 9289.681804][ T10] netlink_unicast+0x449/0x710 [ 9289.681804][ T10] netlink_sendmsg+0x723/0xbe0 [ 9289.681804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9289.681804][ T10] ___sys_sendmsg+0xee/0x170 [ 9289.681804][ T10] __sys_sendmsg+0xcd/0x170 [ 9289.681804][ T10] do_syscall_64+0xc6/0x1e0 [ 9289.681804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9289.681804][ T10] [ 9289.684046][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9289.684046][ T10] netdev_get_by_index+0x5e/0x80 [ 9289.684046][ T10] fib6_nh_init+0x3d8/0x1580 [ 9289.684046][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9289.684046][ T10] ip6_route_add+0x1c/0x140 [ 9289.684046][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9289.684046][ T10] addrconf_add_dev+0xe2/0x170 [ 9289.684046][ T10] inet6_addr_add+0x12f/0xa40 [ 9289.684046][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9289.684046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9289.684046][ T10] netlink_rcv_skb+0x130/0x360 [ 9289.684046][ T10] netlink_unicast+0x449/0x710 [ 9289.684046][ T10] netlink_sendmsg+0x723/0xbe0 [ 9289.684046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9289.684046][ T10] ___sys_sendmsg+0xee/0x170 [ 9289.684046][ T10] __sys_sendmsg+0xcd/0x170 [ 9289.684046][ T10] do_syscall_64+0xc6/0x1e0 [ 9289.684046][ T10] [ 9289.686263][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9289.686263][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9289.686263][ T10] ipv6_find_idev+0x102/0x170 [ 9289.686263][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9289.686263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9289.686263][ T10] netlink_rcv_skb+0x130/0x360 [ 9289.686263][ T10] netlink_unicast+0x449/0x710 [ 9289.686263][ T10] netlink_sendmsg+0x723/0xbe0 [ 9289.686263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9289.686263][ T10] ___sys_sendmsg+0xee/0x170 [ 9289.686263][ T10] __sys_sendmsg+0xcd/0x170 [ 9289.686263][ T10] do_syscall_64+0xc6/0x1e0 [ 9289.686263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9289.686263][ T10] [ 9289.687986][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9289.687986][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9289.687986][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9289.687986][ T10] ipv6_find_idev+0x102/0x170 [ 9289.687986][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9289.687986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9289.687986][ T10] netlink_rcv_skb+0x130/0x360 [ 9289.687986][ T10] netlink_unicast+0x449/0x710 [ 9289.687986][ T10] netlink_sendmsg+0x723/0xbe0 [ 9289.687986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9289.687986][ T10] ___sys_sendmsg+0xee/0x170 [ 9289.687986][ T10] __sys_sendmsg+0xcd/0x170 [ 9289.687986][ T10] do_syscall_64+0xc6/0x1e0 [ 9289.687986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9289.687986][ T10] [ 9294.993049][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9294.993528][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9294.993528][ T1167] dst_init+0x84/0x4a0 [ 9294.993528][ T1167] dst_alloc+0x97/0x150 [ 9294.993528][ T1167] ip6_dst_alloc+0x23/0x90 [ 9294.993528][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9294.993528][ T1167] ip6_pol_route+0x56f/0x840 [ 9294.993528][ T1167] fib6_rule_lookup+0x334/0x630 [ 9294.993528][ T1167] ip6_route_output_flags+0x259/0x480 [ 9294.993528][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9294.993528][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9294.993528][ T1167] netlink_rcv_skb+0x130/0x360 [ 9294.993528][ T1167] netlink_unicast+0x449/0x710 [ 9294.993528][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9294.993528][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9294.993528][ T1167] ___sys_sendmsg+0xee/0x170 [ 9294.993528][ T1167] __sys_sendmsg+0xcd/0x170 [ 9294.993528][ T1167] do_syscall_64+0xc6/0x1e0 [ 9294.993528][ T1167] [ 9294.995738][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9294.995738][ T1167] netdev_get_by_index+0x5e/0x80 [ 9294.995738][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9294.995738][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9294.995738][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9294.995738][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9294.995738][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9294.995738][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9294.995738][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9294.995738][ T1167] addrconf_dad_begin+0x310/0x670 [ 9294.995738][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9294.995738][ T1167] process_one_work+0x84d/0x18a0 [ 9294.995738][ T1167] worker_thread+0x587/0xd30 [ 9294.995738][ T1167] kthread+0x28a/0x350 [ 9294.995738][ T1167] ret_from_fork+0x31/0x70 [ 9294.995738][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9294.995738][ T1167] [ 9294.997892][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9294.997892][ T1167] netdev_get_by_index+0x5e/0x80 [ 9294.997892][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9294.997892][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9294.997892][ T1167] ip6_route_add+0x1c/0x140 [ 9294.997892][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9294.997892][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9294.997892][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9294.997892][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9294.997892][ T1167] netlink_rcv_skb+0x130/0x360 [ 9294.997892][ T1167] netlink_unicast+0x449/0x710 [ 9294.997892][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9294.997892][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9294.997892][ T1167] ___sys_sendmsg+0xee/0x170 [ 9294.997892][ T1167] __sys_sendmsg+0xcd/0x170 [ 9294.997892][ T1167] do_syscall_64+0xc6/0x1e0 [ 9294.997892][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9294.997892][ T1167] [ 9295.000154][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9295.000154][ T1167] netdev_get_by_index+0x5e/0x80 [ 9295.000154][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9295.000154][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9295.000154][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9295.000154][ T1167] ipv6_add_addr+0x411/0x2000 [ 9295.000154][ T1167] inet6_addr_add+0x30e/0xa40 [ 9295.000154][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9295.000154][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9295.000154][ T1167] netlink_rcv_skb+0x130/0x360 [ 9295.000154][ T1167] netlink_unicast+0x449/0x710 [ 9295.000154][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9295.000154][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9295.000154][ T1167] ___sys_sendmsg+0xee/0x170 [ 9295.000154][ T1167] __sys_sendmsg+0xcd/0x170 [ 9295.000154][ T1167] do_syscall_64+0xc6/0x1e0 [ 9295.000154][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9295.000154][ T1167] [ 9295.002409][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9295.002409][ T1167] netdev_get_by_index+0x5e/0x80 [ 9295.002409][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9295.002409][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9295.002409][ T1167] ip6_route_add+0x1c/0x140 [ 9295.002409][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9295.002409][ T1167] addrconf_add_dev+0xe2/0x170 [ 9295.002409][ T1167] inet6_addr_add+0x12f/0xa40 [ 9295.002409][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9295.002409][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9295.002409][ T1167] netlink_rcv_skb+0x130/0x360 [ 9295.002409][ T1167] netlink_unicast+0x449/0x710 [ 9295.002409][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9295.002409][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9295.002409][ T1167] ___sys_sendmsg+0xee/0x170 [ 9295.002409][ T1167] __sys_sendmsg+0xcd/0x170 [ 9295.002409][ T1167] do_syscall_64+0xc6/0x1e0 [ 9295.002409][ T1167] [ 9295.004759][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9295.004759][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9295.004759][ T1167] ipv6_find_idev+0x102/0x170 [ 9295.004759][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9295.004759][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9295.004759][ T1167] netlink_rcv_skb+0x130/0x360 [ 9295.004759][ T1167] netlink_unicast+0x449/0x710 [ 9295.004759][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9295.004759][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9295.004759][ T1167] ___sys_sendmsg+0xee/0x170 [ 9295.004759][ T1167] __sys_sendmsg+0xcd/0x170 [ 9295.004759][ T1167] do_syscall_64+0xc6/0x1e0 [ 9295.004759][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9295.004759][ T1167] [ 9295.006503][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9295.006503][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9295.006503][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9295.006503][ T1167] ipv6_find_idev+0x102/0x170 [ 9295.006503][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9295.006503][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9295.006503][ T1167] netlink_rcv_skb+0x130/0x360 [ 9295.006503][ T1167] netlink_unicast+0x449/0x710 [ 9295.006503][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9295.006503][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9295.006503][ T1167] ___sys_sendmsg+0xee/0x170 [ 9295.006503][ T1167] __sys_sendmsg+0xcd/0x170 [ 9295.006503][ T1167] do_syscall_64+0xc6/0x1e0 [ 9295.006503][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9295.006503][ T1167] [ 9299.929106][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9299.929519][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9299.929519][ T10] netdev_get_by_index+0x5e/0x80 [ 9299.929519][ T10] fib6_nh_init+0x3d8/0x1580 [ 9299.929519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9299.929519][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9299.929519][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9299.929519][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9299.929519][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9299.929519][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9299.929519][ T10] addrconf_dad_begin+0x310/0x670 [ 9299.929519][ T10] addrconf_dad_work+0x10b/0xab0 [ 9299.929519][ T10] process_one_work+0x84d/0x18a0 [ 9299.929519][ T10] worker_thread+0x587/0xd30 [ 9299.929519][ T10] kthread+0x28a/0x350 [ 9299.929519][ T10] ret_from_fork+0x31/0x70 [ 9299.929519][ T10] ret_from_fork_asm+0x1a/0x30 [ 9299.929519][ T10] [ 9299.931471][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9299.931471][ T10] netdev_get_by_index+0x5e/0x80 [ 9299.931471][ T10] fib6_nh_init+0x3d8/0x1580 [ 9299.931471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9299.931471][ T10] ip6_route_add+0x1c/0x140 [ 9299.931471][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9299.931471][ T10] inet6_addr_add+0x4f8/0xa40 [ 9299.931471][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9299.931471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9299.931471][ T10] netlink_rcv_skb+0x130/0x360 [ 9299.931471][ T10] netlink_unicast+0x449/0x710 [ 9299.931471][ T10] netlink_sendmsg+0x723/0xbe0 [ 9299.931471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9299.931471][ T10] ___sys_sendmsg+0xee/0x170 [ 9299.931471][ T10] __sys_sendmsg+0xcd/0x170 [ 9299.931471][ T10] do_syscall_64+0xc6/0x1e0 [ 9299.931471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9299.931471][ T10] [ 9299.933487][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9299.933487][ T10] netdev_get_by_index+0x5e/0x80 [ 9299.933487][ T10] fib6_nh_init+0x3d8/0x1580 [ 9299.933487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9299.933487][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9299.933487][ T10] ipv6_add_addr+0x411/0x2000 [ 9299.933487][ T10] inet6_addr_add+0x30e/0xa40 [ 9299.933487][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9299.933487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9299.933487][ T10] netlink_rcv_skb+0x130/0x360 [ 9299.933487][ T10] netlink_unicast+0x449/0x710 [ 9299.933487][ T10] netlink_sendmsg+0x723/0xbe0 [ 9299.933487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9299.933487][ T10] ___sys_sendmsg+0xee/0x170 [ 9299.933487][ T10] __sys_sendmsg+0xcd/0x170 [ 9299.933487][ T10] do_syscall_64+0xc6/0x1e0 [ 9299.933487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9299.933487][ T10] [ 9299.935501][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9299.935501][ T10] netdev_get_by_index+0x5e/0x80 [ 9299.935501][ T10] fib6_nh_init+0x3d8/0x1580 [ 9299.935501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9299.935501][ T10] ip6_route_add+0x1c/0x140 [ 9299.935501][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9299.935501][ T10] addrconf_add_dev+0xe2/0x170 [ 9299.935501][ T10] inet6_addr_add+0x12f/0xa40 [ 9299.935501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9299.935501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9299.935501][ T10] netlink_rcv_skb+0x130/0x360 [ 9299.935501][ T10] netlink_unicast+0x449/0x710 [ 9299.935501][ T10] netlink_sendmsg+0x723/0xbe0 [ 9299.935501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9299.935501][ T10] ___sys_sendmsg+0xee/0x170 [ 9299.935501][ T10] __sys_sendmsg+0xcd/0x170 [ 9299.935501][ T10] do_syscall_64+0xc6/0x1e0 [ 9299.935501][ T10] [ 9299.937477][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9299.937477][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9299.937477][ T10] ipv6_find_idev+0x102/0x170 [ 9299.937477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9299.937477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9299.937477][ T10] netlink_rcv_skb+0x130/0x360 [ 9299.937477][ T10] netlink_unicast+0x449/0x710 [ 9299.937477][ T10] netlink_sendmsg+0x723/0xbe0 [ 9299.937477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9299.937477][ T10] ___sys_sendmsg+0xee/0x170 [ 9299.937477][ T10] __sys_sendmsg+0xcd/0x170 [ 9299.937477][ T10] do_syscall_64+0xc6/0x1e0 [ 9299.937477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9299.937477][ T10] [ 9299.939028][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9299.939028][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9299.939028][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9299.939028][ T10] ipv6_find_idev+0x102/0x170 [ 9299.939028][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9299.939028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9299.939028][ T10] netlink_rcv_skb+0x130/0x360 [ 9299.939028][ T10] netlink_unicast+0x449/0x710 [ 9299.939028][ T10] netlink_sendmsg+0x723/0xbe0 [ 9299.939028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9299.939028][ T10] ___sys_sendmsg+0xee/0x170 [ 9299.939028][ T10] __sys_sendmsg+0xcd/0x170 [ 9299.939028][ T10] do_syscall_64+0xc6/0x1e0 [ 9299.939028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9299.939028][ T10] [ 9299.940817][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9299.941077][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9299.941077][ T10] netdev_get_by_index+0x5e/0x80 [ 9299.941077][ T10] fib6_nh_init+0x3d8/0x1580 [ 9299.941077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9299.941077][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9299.941077][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9299.941077][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9299.941077][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9299.941077][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9299.941077][ T10] addrconf_dad_begin+0x310/0x670 [ 9299.941077][ T10] addrconf_dad_work+0x10b/0xab0 [ 9299.941077][ T10] process_one_work+0x84d/0x18a0 [ 9299.941077][ T10] worker_thread+0x587/0xd30 [ 9299.941077][ T10] kthread+0x28a/0x350 [ 9299.941077][ T10] ret_from_fork+0x31/0x70 [ 9299.941077][ T10] ret_from_fork_asm+0x1a/0x30 [ 9299.941077][ T10] [ 9299.942991][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9299.942991][ T10] netdev_get_by_index+0x5e/0x80 [ 9299.942991][ T10] fib6_nh_init+0x3d8/0x1580 [ 9299.942991][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9299.942991][ T10] ip6_route_add+0x1c/0x140 [ 9299.942991][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9299.942991][ T10] inet6_addr_add+0x4f8/0xa40 [ 9299.942991][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9299.942991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9299.942991][ T10] netlink_rcv_skb+0x130/0x360 [ 9299.942991][ T10] netlink_unicast+0x449/0x710 [ 9299.942991][ T10] netlink_sendmsg+0x723/0xbe0 [ 9299.942991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9299.942991][ T10] ___sys_sendmsg+0xee/0x170 [ 9299.942991][ T10] __sys_sendmsg+0xcd/0x170 [ 9299.942991][ T10] do_syscall_64+0xc6/0x1e0 [ 9299.942991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9299.942991][ T10] [ 9299.944993][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9299.944993][ T10] netdev_get_by_index+0x5e/0x80 [ 9299.944993][ T10] fib6_nh_init+0x3d8/0x1580 [ 9299.944993][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9299.944993][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9299.944993][ T10] ipv6_add_addr+0x411/0x2000 [ 9299.944993][ T10] inet6_addr_add+0x30e/0xa40 [ 9299.944993][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9299.944993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9299.944993][ T10] netlink_rcv_skb+0x130/0x360 [ 9299.944993][ T10] netlink_unicast+0x449/0x710 [ 9299.944993][ T10] netlink_sendmsg+0x723/0xbe0 [ 9299.944993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9299.944993][ T10] ___sys_sendmsg+0xee/0x170 [ 9299.944993][ T10] __sys_sendmsg+0xcd/0x170 [ 9299.944993][ T10] do_syscall_64+0xc6/0x1e0 [ 9299.944993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9299.944993][ T10] [ 9299.947000][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9299.947000][ T10] netdev_get_by_index+0x5e/0x80 [ 9299.947000][ T10] fib6_nh_init+0x3d8/0x1580 [ 9299.947000][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9299.947000][ T10] ip6_route_add+0x1c/0x140 [ 9299.947000][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9299.947000][ T10] addrconf_add_dev+0xe2/0x170 [ 9299.947000][ T10] inet6_addr_add+0x12f/0xa40 [ 9299.947000][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9299.947000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9299.947000][ T10] netlink_rcv_skb+0x130/0x360 [ 9299.947000][ T10] netlink_unicast+0x449/0x710 [ 9299.947000][ T10] netlink_sendmsg+0x723/0xbe0 [ 9299.947000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9299.947000][ T10] ___sys_sendmsg+0xee/0x170 [ 9299.947000][ T10] __sys_sendmsg+0xcd/0x170 [ 9299.947000][ T10] do_syscall_64+0xc6/0x1e0 [ 9299.947000][ T10] [ 9299.948965][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9299.948965][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9299.948965][ T10] ipv6_find_idev+0x102/0x170 [ 9299.948965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9299.948965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9299.948965][ T10] netlink_rcv_skb+0x130/0x360 [ 9299.948965][ T10] netlink_unicast+0x449/0x710 [ 9299.948965][ T10] netlink_sendmsg+0x723/0xbe0 [ 9299.948965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9299.948965][ T10] ___sys_sendmsg+0xee/0x170 [ 9299.948965][ T10] __sys_sendmsg+0xcd/0x170 [ 9299.948965][ T10] do_syscall_64+0xc6/0x1e0 [ 9299.948965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9299.948965][ T10] [ 9299.950504][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9299.950504][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9299.950504][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9299.950504][ T10] ipv6_find_idev+0x102/0x170 [ 9299.950504][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9299.950504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9299.950504][ T10] netlink_rcv_skb+0x130/0x360 [ 9299.950504][ T10] netlink_unicast+0x449/0x710 [ 9299.950504][ T10] netlink_sendmsg+0x723/0xbe0 [ 9299.950504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9299.950504][ T10] ___sys_sendmsg+0xee/0x170 [ 9299.950504][ T10] __sys_sendmsg+0xcd/0x170 [ 9299.950504][ T10] do_syscall_64+0xc6/0x1e0 [ 9299.950504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9299.950504][ T10] [ 9299.952193][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9299.952438][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9299.952438][ T10] netdev_get_by_index+0x5e/0x80 [ 9299.952438][ T10] fib6_nh_init+0x3d8/0x1580 [ 9299.952438][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9299.952438][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9299.952438][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9299.952438][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9299.952438][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9299.952438][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9299.952438][ T10] addrconf_dad_begin+0x310/0x670 [ 9299.952438][ T10] addrconf_dad_work+0x10b/0xab0 [ 9299.952438][ T10] process_one_work+0x84d/0x18a0 [ 9299.952438][ T10] worker_thread+0x587/0xd30 [ 9299.952438][ T10] kthread+0x28a/0x350 [ 9299.952438][ T10] ret_from_fork+0x31/0x70 [ 9299.952438][ T10] ret_from_fork_asm+0x1a/0x30 [ 9299.952438][ T10] [ 9299.954354][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9299.954354][ T10] netdev_get_by_index+0x5e/0x80 [ 9299.954354][ T10] fib6_nh_init+0x3d8/0x1580 [ 9299.954354][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9299.954354][ T10] ip6_route_add+0x1c/0x140 [ 9299.954354][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9299.954354][ T10] inet6_addr_add+0x4f8/0xa40 [ 9299.954354][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9299.954354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9299.954354][ T10] netlink_rcv_skb+0x130/0x360 [ 9299.954354][ T10] netlink_unicast+0x449/0x710 [ 9299.954354][ T10] netlink_sendmsg+0x723/0xbe0 [ 9299.954354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9299.954354][ T10] ___sys_sendmsg+0xee/0x170 [ 9299.954354][ T10] __sys_sendmsg+0xcd/0x170 [ 9299.954354][ T10] do_syscall_64+0xc6/0x1e0 [ 9299.954354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9299.954354][ T10] [ 9299.956547][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9299.956547][ T10] netdev_get_by_index+0x5e/0x80 [ 9299.956547][ T10] fib6_nh_init+0x3d8/0x1580 [ 9299.956547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9299.956547][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9299.956547][ T10] ipv6_add_addr+0x411/0x2000 [ 9299.956547][ T10] inet6_addr_add+0x30e/0xa40 [ 9299.956547][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9299.956547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9299.956547][ T10] netlink_rcv_skb+0x130/0x360 [ 9299.956547][ T10] netlink_unicast+0x449/0x710 [ 9299.956547][ T10] netlink_sendmsg+0x723/0xbe0 [ 9299.956547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9299.956547][ T10] ___sys_sendmsg+0xee/0x170 [ 9299.956547][ T10] __sys_sendmsg+0xcd/0x170 [ 9299.956547][ T10] do_syscall_64+0xc6/0x1e0 [ 9299.956547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9299.956547][ T10] [ 9299.958848][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9299.958848][ T10] netdev_get_by_index+0x5e/0x80 [ 9299.958848][ T10] fib6_nh_init+0x3d8/0x1580 [ 9299.958848][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9299.958848][ T10] ip6_route_add+0x1c/0x140 [ 9299.958848][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9299.958848][ T10] addrconf_add_dev+0xe2/0x170 [ 9299.958848][ T10] inet6_addr_add+0x12f/0xa40 [ 9299.958848][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9299.958848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9299.958848][ T10] netlink_rcv_skb+0x130/0x360 [ 9299.958848][ T10] netlink_unicast+0x449/0x710 [ 9299.958848][ T10] netlink_sendmsg+0x723/0xbe0 [ 9299.958848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9299.958848][ T10] ___sys_sendmsg+0xee/0x170 [ 9299.958848][ T10] __sys_sendmsg+0xcd/0x170 [ 9299.958848][ T10] do_syscall_64+0xc6/0x1e0 [ 9299.958848][ T10] [ 9299.960991][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9299.960991][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9299.960991][ T10] ipv6_find_idev+0x102/0x170 [ 9299.960991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9299.960991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9299.960991][ T10] netlink_rcv_skb+0x130/0x360 [ 9299.960991][ T10] netlink_unicast+0x449/0x710 [ 9299.960991][ T10] netlink_sendmsg+0x723/0xbe0 [ 9299.960991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9299.960991][ T10] ___sys_sendmsg+0xee/0x170 [ 9299.960991][ T10] __sys_sendmsg+0xcd/0x170 [ 9299.960991][ T10] do_syscall_64+0xc6/0x1e0 [ 9299.960991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9299.960991][ T10] [ 9299.962713][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9299.962713][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9299.962713][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9299.962713][ T10] ipv6_find_idev+0x102/0x170 [ 9299.962713][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9299.962713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9299.962713][ T10] netlink_rcv_skb+0x130/0x360 [ 9299.962713][ T10] netlink_unicast+0x449/0x710 [ 9299.962713][ T10] netlink_sendmsg+0x723/0xbe0 [ 9299.962713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9299.962713][ T10] ___sys_sendmsg+0xee/0x170 [ 9299.962713][ T10] __sys_sendmsg+0xcd/0x170 [ 9299.962713][ T10] do_syscall_64+0xc6/0x1e0 [ 9299.962713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9299.962713][ T10] [ 9299.964641][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9299.964877][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9299.964877][ T10] netdev_get_by_index+0x5e/0x80 [ 9299.964877][ T10] fib6_nh_init+0x3d8/0x1580 [ 9299.964877][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9299.964877][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9299.964877][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9299.964877][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9299.964877][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9299.964877][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9299.964877][ T10] addrconf_dad_begin+0x310/0x670 [ 9299.964877][ T10] addrconf_dad_work+0x10b/0xab0 [ 9299.964877][ T10] process_one_work+0x84d/0x18a0 [ 9299.964877][ T10] worker_thread+0x587/0xd30 [ 9299.964877][ T10] kthread+0x28a/0x350 [ 9299.964877][ T10] ret_from_fork+0x31/0x70 [ 9299.964877][ T10] ret_from_fork_asm+0x1a/0x30 [ 9299.964877][ T10] [ 9299.967110][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9299.967110][ T10] netdev_get_by_index+0x5e/0x80 [ 9299.967110][ T10] fib6_nh_init+0x3d8/0x1580 [ 9299.967110][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9299.967110][ T10] ip6_route_add+0x1c/0x140 [ 9299.967110][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9299.967110][ T10] inet6_addr_add+0x4f8/0xa40 [ 9299.967110][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9299.967110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9299.967110][ T10] netlink_rcv_skb+0x130/0x360 [ 9299.967110][ T10] netlink_unicast+0x449/0x710 [ 9299.967110][ T10] netlink_sendmsg+0x723/0xbe0 [ 9299.967110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9299.967110][ T10] ___sys_sendmsg+0xee/0x170 [ 9299.967110][ T10] __sys_sendmsg+0xcd/0x170 [ 9299.967110][ T10] do_syscall_64+0xc6/0x1e0 [ 9299.967110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9299.967110][ T10] [ 9299.969292][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9299.969292][ T10] netdev_get_by_index+0x5e/0x80 [ 9299.969292][ T10] fib6_nh_init+0x3d8/0x1580 [ 9299.969292][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9299.969292][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9299.969292][ T10] ipv6_add_addr+0x411/0x2000 [ 9299.969292][ T10] inet6_addr_add+0x30e/0xa40 [ 9299.969292][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9299.969292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9299.969292][ T10] netlink_rcv_skb+0x130/0x360 [ 9299.969292][ T10] netlink_unicast+0x449/0x710 [ 9299.969292][ T10] netlink_sendmsg+0x723/0xbe0 [ 9299.969292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9299.969292][ T10] ___sys_sendmsg+0xee/0x170 [ 9299.969292][ T10] __sys_sendmsg+0xcd/0x170 [ 9299.969292][ T10] do_syscall_64+0xc6/0x1e0 [ 9299.969292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9299.969292][ T10] [ 9299.971524][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9299.971524][ T10] netdev_get_by_index+0x5e/0x80 [ 9299.971524][ T10] fib6_nh_init+0x3d8/0x1580 [ 9299.971524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9299.971524][ T10] ip6_route_add+0x1c/0x140 [ 9299.971524][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9299.971524][ T10] addrconf_add_dev+0xe2/0x170 [ 9299.971524][ T10] inet6_addr_add+0x12f/0xa40 [ 9299.971524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9299.971524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9299.971524][ T10] netlink_rcv_skb+0x130/0x360 [ 9299.971524][ T10] netlink_unicast+0x449/0x710 [ 9299.971524][ T10] netlink_sendmsg+0x723/0xbe0 [ 9299.971524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9299.971524][ T10] ___sys_sendmsg+0xee/0x170 [ 9299.971524][ T10] __sys_sendmsg+0xcd/0x170 [ 9299.971524][ T10] do_syscall_64+0xc6/0x1e0 [ 9299.971524][ T10] [ 9299.973726][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9299.973726][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9299.973726][ T10] ipv6_find_idev+0x102/0x170 [ 9299.973726][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9299.973726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9299.973726][ T10] netlink_rcv_skb+0x130/0x360 [ 9299.973726][ T10] netlink_unicast+0x449/0x710 [ 9299.973726][ T10] netlink_sendmsg+0x723/0xbe0 [ 9299.973726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9299.973726][ T10] ___sys_sendmsg+0xee/0x170 [ 9299.973726][ T10] __sys_sendmsg+0xcd/0x170 [ 9299.973726][ T10] do_syscall_64+0xc6/0x1e0 [ 9299.973726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9299.973726][ T10] [ 9299.975451][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9299.975451][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9299.975451][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9299.975451][ T10] ipv6_find_idev+0x102/0x170 [ 9299.975451][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9299.975451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9299.975451][ T10] netlink_rcv_skb+0x130/0x360 [ 9299.975451][ T10] netlink_unicast+0x449/0x710 [ 9299.975451][ T10] netlink_sendmsg+0x723/0xbe0 [ 9299.975451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9299.975451][ T10] ___sys_sendmsg+0xee/0x170 [ 9299.975451][ T10] __sys_sendmsg+0xcd/0x170 [ 9299.975451][ T10] do_syscall_64+0xc6/0x1e0 [ 9299.975451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9299.975451][ T10] [ 9305.257031][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9305.257508][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9305.257508][ T1167] dst_init+0x84/0x4a0 [ 9305.257508][ T1167] dst_alloc+0x97/0x150 [ 9305.257508][ T1167] ip6_dst_alloc+0x23/0x90 [ 9305.257508][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9305.257508][ T1167] ip6_pol_route+0x56f/0x840 [ 9305.257508][ T1167] fib6_rule_lookup+0x334/0x630 [ 9305.257508][ T1167] ip6_route_output_flags+0x259/0x480 [ 9305.257508][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9305.257508][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9305.257508][ T1167] netlink_rcv_skb+0x130/0x360 [ 9305.257508][ T1167] netlink_unicast+0x449/0x710 [ 9305.257508][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9305.257508][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9305.257508][ T1167] ___sys_sendmsg+0xee/0x170 [ 9305.257508][ T1167] __sys_sendmsg+0xcd/0x170 [ 9305.257508][ T1167] do_syscall_64+0xc6/0x1e0 [ 9305.257508][ T1167] [ 9305.259726][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9305.259726][ T1167] netdev_get_by_index+0x5e/0x80 [ 9305.259726][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9305.259726][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9305.259726][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9305.259726][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9305.259726][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9305.259726][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9305.259726][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9305.259726][ T1167] addrconf_dad_begin+0x310/0x670 [ 9305.259726][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9305.259726][ T1167] process_one_work+0x84d/0x18a0 [ 9305.259726][ T1167] worker_thread+0x587/0xd30 [ 9305.259726][ T1167] kthread+0x28a/0x350 [ 9305.259726][ T1167] ret_from_fork+0x31/0x70 [ 9305.259726][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9305.259726][ T1167] [ 9305.261875][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9305.261875][ T1167] netdev_get_by_index+0x5e/0x80 [ 9305.261875][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9305.261875][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9305.261875][ T1167] ip6_route_add+0x1c/0x140 [ 9305.261875][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9305.261875][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9305.261875][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9305.261875][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9305.261875][ T1167] netlink_rcv_skb+0x130/0x360 [ 9305.261875][ T1167] netlink_unicast+0x449/0x710 [ 9305.261875][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9305.261875][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9305.261875][ T1167] ___sys_sendmsg+0xee/0x170 [ 9305.261875][ T1167] __sys_sendmsg+0xcd/0x170 [ 9305.261875][ T1167] do_syscall_64+0xc6/0x1e0 [ 9305.261875][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9305.261875][ T1167] [ 9305.264120][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9305.264120][ T1167] netdev_get_by_index+0x5e/0x80 [ 9305.264120][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9305.264120][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9305.264120][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9305.264120][ T1167] ipv6_add_addr+0x411/0x2000 [ 9305.264120][ T1167] inet6_addr_add+0x30e/0xa40 [ 9305.264120][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9305.264120][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9305.264120][ T1167] netlink_rcv_skb+0x130/0x360 [ 9305.264120][ T1167] netlink_unicast+0x449/0x710 [ 9305.264120][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9305.264120][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9305.264120][ T1167] ___sys_sendmsg+0xee/0x170 [ 9305.264120][ T1167] __sys_sendmsg+0xcd/0x170 [ 9305.264120][ T1167] do_syscall_64+0xc6/0x1e0 [ 9305.264120][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9305.264120][ T1167] [ 9305.266393][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9305.266393][ T1167] netdev_get_by_index+0x5e/0x80 [ 9305.266393][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9305.266393][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9305.266393][ T1167] ip6_route_add+0x1c/0x140 [ 9305.266393][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9305.266393][ T1167] addrconf_add_dev+0xe2/0x170 [ 9305.266393][ T1167] inet6_addr_add+0x12f/0xa40 [ 9305.266393][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9305.266393][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9305.266393][ T1167] netlink_rcv_skb+0x130/0x360 [ 9305.266393][ T1167] netlink_unicast+0x449/0x710 [ 9305.266393][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9305.266393][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9305.266393][ T1167] ___sys_sendmsg+0xee/0x170 [ 9305.266393][ T1167] __sys_sendmsg+0xcd/0x170 [ 9305.266393][ T1167] do_syscall_64+0xc6/0x1e0 [ 9305.266393][ T1167] [ 9305.268607][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9305.268607][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9305.268607][ T1167] ipv6_find_idev+0x102/0x170 [ 9305.268607][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9305.268607][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9305.268607][ T1167] netlink_rcv_skb+0x130/0x360 [ 9305.268607][ T1167] netlink_unicast+0x449/0x710 [ 9305.268607][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9305.268607][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9305.268607][ T1167] ___sys_sendmsg+0xee/0x170 [ 9305.268607][ T1167] __sys_sendmsg+0xcd/0x170 [ 9305.268607][ T1167] do_syscall_64+0xc6/0x1e0 [ 9305.268607][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9305.268607][ T1167] [ 9305.270339][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9305.270339][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9305.270339][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9305.270339][ T1167] ipv6_find_idev+0x102/0x170 [ 9305.270339][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9305.270339][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9305.270339][ T1167] netlink_rcv_skb+0x130/0x360 [ 9305.270339][ T1167] netlink_unicast+0x449/0x710 [ 9305.270339][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9305.270339][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9305.270339][ T1167] ___sys_sendmsg+0xee/0x170 [ 9305.270339][ T1167] __sys_sendmsg+0xcd/0x170 [ 9305.270339][ T1167] do_syscall_64+0xc6/0x1e0 [ 9305.270339][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9305.270339][ T1167] [ 9310.217105][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9310.217517][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9310.217517][ T10] netdev_get_by_index+0x5e/0x80 [ 9310.217517][ T10] fib6_nh_init+0x3d8/0x1580 [ 9310.217517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9310.217517][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9310.217517][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9310.217517][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9310.217517][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9310.217517][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9310.217517][ T10] addrconf_dad_begin+0x310/0x670 [ 9310.217517][ T10] addrconf_dad_work+0x10b/0xab0 [ 9310.217517][ T10] process_one_work+0x84d/0x18a0 [ 9310.217517][ T10] worker_thread+0x587/0xd30 [ 9310.217517][ T10] kthread+0x28a/0x350 [ 9310.217517][ T10] ret_from_fork+0x31/0x70 [ 9310.217517][ T10] ret_from_fork_asm+0x1a/0x30 [ 9310.217517][ T10] [ 9310.219480][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9310.219480][ T10] netdev_get_by_index+0x5e/0x80 [ 9310.219480][ T10] fib6_nh_init+0x3d8/0x1580 [ 9310.219480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9310.219480][ T10] ip6_route_add+0x1c/0x140 [ 9310.219480][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9310.219480][ T10] inet6_addr_add+0x4f8/0xa40 [ 9310.219480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9310.219480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9310.219480][ T10] netlink_rcv_skb+0x130/0x360 [ 9310.219480][ T10] netlink_unicast+0x449/0x710 [ 9310.219480][ T10] netlink_sendmsg+0x723/0xbe0 [ 9310.219480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9310.219480][ T10] ___sys_sendmsg+0xee/0x170 [ 9310.219480][ T10] __sys_sendmsg+0xcd/0x170 [ 9310.219480][ T10] do_syscall_64+0xc6/0x1e0 [ 9310.219480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9310.219480][ T10] [ 9310.221507][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9310.221507][ T10] netdev_get_by_index+0x5e/0x80 [ 9310.221507][ T10] fib6_nh_init+0x3d8/0x1580 [ 9310.221507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9310.221507][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9310.221507][ T10] ipv6_add_addr+0x411/0x2000 [ 9310.221507][ T10] inet6_addr_add+0x30e/0xa40 [ 9310.221507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9310.221507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9310.221507][ T10] netlink_rcv_skb+0x130/0x360 [ 9310.221507][ T10] netlink_unicast+0x449/0x710 [ 9310.221507][ T10] netlink_sendmsg+0x723/0xbe0 [ 9310.221507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9310.221507][ T10] ___sys_sendmsg+0xee/0x170 [ 9310.221507][ T10] __sys_sendmsg+0xcd/0x170 [ 9310.221507][ T10] do_syscall_64+0xc6/0x1e0 [ 9310.221507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9310.221507][ T10] [ 9310.223509][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9310.223509][ T10] netdev_get_by_index+0x5e/0x80 [ 9310.223509][ T10] fib6_nh_init+0x3d8/0x1580 [ 9310.223509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9310.223509][ T10] ip6_route_add+0x1c/0x140 [ 9310.223509][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9310.223509][ T10] addrconf_add_dev+0xe2/0x170 [ 9310.223509][ T10] inet6_addr_add+0x12f/0xa40 [ 9310.223509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9310.223509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9310.223509][ T10] netlink_rcv_skb+0x130/0x360 [ 9310.223509][ T10] netlink_unicast+0x449/0x710 [ 9310.223509][ T10] netlink_sendmsg+0x723/0xbe0 [ 9310.223509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9310.223509][ T10] ___sys_sendmsg+0xee/0x170 [ 9310.223509][ T10] __sys_sendmsg+0xcd/0x170 [ 9310.223509][ T10] do_syscall_64+0xc6/0x1e0 [ 9310.223509][ T10] [ 9310.225495][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9310.225495][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9310.225495][ T10] ipv6_find_idev+0x102/0x170 [ 9310.225495][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9310.225495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9310.225495][ T10] netlink_rcv_skb+0x130/0x360 [ 9310.225495][ T10] netlink_unicast+0x449/0x710 [ 9310.225495][ T10] netlink_sendmsg+0x723/0xbe0 [ 9310.225495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9310.225495][ T10] ___sys_sendmsg+0xee/0x170 [ 9310.225495][ T10] __sys_sendmsg+0xcd/0x170 [ 9310.225495][ T10] do_syscall_64+0xc6/0x1e0 [ 9310.225495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9310.225495][ T10] [ 9310.227039][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9310.227039][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9310.227039][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9310.227039][ T10] ipv6_find_idev+0x102/0x170 [ 9310.227039][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9310.227039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9310.227039][ T10] netlink_rcv_skb+0x130/0x360 [ 9310.227039][ T10] netlink_unicast+0x449/0x710 [ 9310.227039][ T10] netlink_sendmsg+0x723/0xbe0 [ 9310.227039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9310.227039][ T10] ___sys_sendmsg+0xee/0x170 [ 9310.227039][ T10] __sys_sendmsg+0xcd/0x170 [ 9310.227039][ T10] do_syscall_64+0xc6/0x1e0 [ 9310.227039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9310.227039][ T10] [ 9310.228748][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9310.228989][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9310.228989][ T10] netdev_get_by_index+0x5e/0x80 [ 9310.228989][ T10] fib6_nh_init+0x3d8/0x1580 [ 9310.228989][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9310.228989][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9310.228989][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9310.228989][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9310.228989][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9310.228989][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9310.228989][ T10] addrconf_dad_begin+0x310/0x670 [ 9310.228989][ T10] addrconf_dad_work+0x10b/0xab0 [ 9310.228989][ T10] process_one_work+0x84d/0x18a0 [ 9310.228989][ T10] worker_thread+0x587/0xd30 [ 9310.228989][ T10] kthread+0x28a/0x350 [ 9310.228989][ T10] ret_from_fork+0x31/0x70 [ 9310.228989][ T10] ret_from_fork_asm+0x1a/0x30 [ 9310.228989][ T10] [ 9310.230926][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9310.230926][ T10] netdev_get_by_index+0x5e/0x80 [ 9310.230926][ T10] fib6_nh_init+0x3d8/0x1580 [ 9310.230926][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9310.230926][ T10] ip6_route_add+0x1c/0x140 [ 9310.230926][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9310.230926][ T10] inet6_addr_add+0x4f8/0xa40 [ 9310.230926][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9310.230926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9310.230926][ T10] netlink_rcv_skb+0x130/0x360 [ 9310.230926][ T10] netlink_unicast+0x449/0x710 [ 9310.230926][ T10] netlink_sendmsg+0x723/0xbe0 [ 9310.230926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9310.230926][ T10] ___sys_sendmsg+0xee/0x170 [ 9310.230926][ T10] __sys_sendmsg+0xcd/0x170 [ 9310.230926][ T10] do_syscall_64+0xc6/0x1e0 [ 9310.230926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9310.230926][ T10] [ 9310.232936][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9310.232936][ T10] netdev_get_by_index+0x5e/0x80 [ 9310.232936][ T10] fib6_nh_init+0x3d8/0x1580 [ 9310.232936][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9310.232936][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9310.232936][ T10] ipv6_add_addr+0x411/0x2000 [ 9310.232936][ T10] inet6_addr_add+0x30e/0xa40 [ 9310.232936][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9310.232936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9310.232936][ T10] netlink_rcv_skb+0x130/0x360 [ 9310.232936][ T10] netlink_unicast+0x449/0x710 [ 9310.232936][ T10] netlink_sendmsg+0x723/0xbe0 [ 9310.232936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9310.232936][ T10] ___sys_sendmsg+0xee/0x170 [ 9310.232936][ T10] __sys_sendmsg+0xcd/0x170 [ 9310.232936][ T10] do_syscall_64+0xc6/0x1e0 [ 9310.232936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9310.232936][ T10] [ 9310.234970][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9310.234970][ T10] netdev_get_by_index+0x5e/0x80 [ 9310.234970][ T10] fib6_nh_init+0x3d8/0x1580 [ 9310.234970][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9310.234970][ T10] ip6_route_add+0x1c/0x140 [ 9310.234970][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9310.234970][ T10] addrconf_add_dev+0xe2/0x170 [ 9310.234970][ T10] inet6_addr_add+0x12f/0xa40 [ 9310.234970][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9310.234970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9310.234970][ T10] netlink_rcv_skb+0x130/0x360 [ 9310.234970][ T10] netlink_unicast+0x449/0x710 [ 9310.234970][ T10] netlink_sendmsg+0x723/0xbe0 [ 9310.234970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9310.234970][ T10] ___sys_sendmsg+0xee/0x170 [ 9310.234970][ T10] __sys_sendmsg+0xcd/0x170 [ 9310.234970][ T10] do_syscall_64+0xc6/0x1e0 [ 9310.234970][ T10] [ 9310.236945][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9310.236945][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9310.236945][ T10] ipv6_find_idev+0x102/0x170 [ 9310.236945][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9310.236945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9310.236945][ T10] netlink_rcv_skb+0x130/0x360 [ 9310.236945][ T10] netlink_unicast+0x449/0x710 [ 9310.236945][ T10] netlink_sendmsg+0x723/0xbe0 [ 9310.236945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9310.236945][ T10] ___sys_sendmsg+0xee/0x170 [ 9310.236945][ T10] __sys_sendmsg+0xcd/0x170 [ 9310.236945][ T10] do_syscall_64+0xc6/0x1e0 [ 9310.236945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9310.236945][ T10] [ 9310.238495][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9310.238495][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9310.238495][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9310.238495][ T10] ipv6_find_idev+0x102/0x170 [ 9310.238495][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9310.238495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9310.238495][ T10] netlink_rcv_skb+0x130/0x360 [ 9310.238495][ T10] netlink_unicast+0x449/0x710 [ 9310.238495][ T10] netlink_sendmsg+0x723/0xbe0 [ 9310.238495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9310.238495][ T10] ___sys_sendmsg+0xee/0x170 [ 9310.238495][ T10] __sys_sendmsg+0xcd/0x170 [ 9310.238495][ T10] do_syscall_64+0xc6/0x1e0 [ 9310.238495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9310.238495][ T10] [ 9310.240192][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9310.240430][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9310.240430][ T10] netdev_get_by_index+0x5e/0x80 [ 9310.240430][ T10] fib6_nh_init+0x3d8/0x1580 [ 9310.240430][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9310.240430][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9310.240430][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9310.240430][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9310.240430][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9310.240430][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9310.240430][ T10] addrconf_dad_begin+0x310/0x670 [ 9310.240430][ T10] addrconf_dad_work+0x10b/0xab0 [ 9310.240430][ T10] process_one_work+0x84d/0x18a0 [ 9310.240430][ T10] worker_thread+0x587/0xd30 [ 9310.240430][ T10] kthread+0x28a/0x350 [ 9310.240430][ T10] ret_from_fork+0x31/0x70 [ 9310.240430][ T10] ret_from_fork_asm+0x1a/0x30 [ 9310.240430][ T10] [ 9310.242347][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9310.242347][ T10] netdev_get_by_index+0x5e/0x80 [ 9310.242347][ T10] fib6_nh_init+0x3d8/0x1580 [ 9310.242347][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9310.242347][ T10] ip6_route_add+0x1c/0x140 [ 9310.242347][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9310.242347][ T10] inet6_addr_add+0x4f8/0xa40 [ 9310.242347][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9310.242347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9310.242347][ T10] netlink_rcv_skb+0x130/0x360 [ 9310.242347][ T10] netlink_unicast+0x449/0x710 [ 9310.242347][ T10] netlink_sendmsg+0x723/0xbe0 [ 9310.242347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9310.242347][ T10] ___sys_sendmsg+0xee/0x170 [ 9310.242347][ T10] __sys_sendmsg+0xcd/0x170 [ 9310.242347][ T10] do_syscall_64+0xc6/0x1e0 [ 9310.242347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9310.242347][ T10] [ 9310.244541][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9310.244541][ T10] netdev_get_by_index+0x5e/0x80 [ 9310.244541][ T10] fib6_nh_init+0x3d8/0x1580 [ 9310.244541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9310.244541][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9310.244541][ T10] ipv6_add_addr+0x411/0x2000 [ 9310.244541][ T10] inet6_addr_add+0x30e/0xa40 [ 9310.244541][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9310.244541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9310.244541][ T10] netlink_rcv_skb+0x130/0x360 [ 9310.244541][ T10] netlink_unicast+0x449/0x710 [ 9310.244541][ T10] netlink_sendmsg+0x723/0xbe0 [ 9310.244541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9310.244541][ T10] ___sys_sendmsg+0xee/0x170 [ 9310.244541][ T10] __sys_sendmsg+0xcd/0x170 [ 9310.244541][ T10] do_syscall_64+0xc6/0x1e0 [ 9310.244541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9310.244541][ T10] [ 9310.246839][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9310.246839][ T10] netdev_get_by_index+0x5e/0x80 [ 9310.246839][ T10] fib6_nh_init+0x3d8/0x1580 [ 9310.246839][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9310.246839][ T10] ip6_route_add+0x1c/0x140 [ 9310.246839][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9310.246839][ T10] addrconf_add_dev+0xe2/0x170 [ 9310.246839][ T10] inet6_addr_add+0x12f/0xa40 [ 9310.246839][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9310.246839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9310.246839][ T10] netlink_rcv_skb+0x130/0x360 [ 9310.246839][ T10] netlink_unicast+0x449/0x710 [ 9310.246839][ T10] netlink_sendmsg+0x723/0xbe0 [ 9310.246839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9310.246839][ T10] ___sys_sendmsg+0xee/0x170 [ 9310.246839][ T10] __sys_sendmsg+0xcd/0x170 [ 9310.246839][ T10] do_syscall_64+0xc6/0x1e0 [ 9310.246839][ T10] [ 9310.248981][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9310.248981][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9310.248981][ T10] ipv6_find_idev+0x102/0x170 [ 9310.248981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9310.248981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9310.248981][ T10] netlink_rcv_skb+0x130/0x360 [ 9310.248981][ T10] netlink_unicast+0x449/0x710 [ 9310.248981][ T10] netlink_sendmsg+0x723/0xbe0 [ 9310.248981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9310.248981][ T10] ___sys_sendmsg+0xee/0x170 [ 9310.248981][ T10] __sys_sendmsg+0xcd/0x170 [ 9310.248981][ T10] do_syscall_64+0xc6/0x1e0 [ 9310.248981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9310.248981][ T10] [ 9310.250595][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9310.250595][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9310.250595][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9310.250595][ T10] ipv6_find_idev+0x102/0x170 [ 9310.250595][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9310.250595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9310.250595][ T10] netlink_rcv_skb+0x130/0x360 [ 9310.250595][ T10] netlink_unicast+0x449/0x710 [ 9310.250595][ T10] netlink_sendmsg+0x723/0xbe0 [ 9310.250595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9310.250595][ T10] ___sys_sendmsg+0xee/0x170 [ 9310.250595][ T10] __sys_sendmsg+0xcd/0x170 [ 9310.250595][ T10] do_syscall_64+0xc6/0x1e0 [ 9310.250595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9310.250595][ T10] [ 9310.252420][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9310.252660][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9310.252660][ T10] netdev_get_by_index+0x5e/0x80 [ 9310.252660][ T10] fib6_nh_init+0x3d8/0x1580 [ 9310.252660][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9310.252660][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9310.252660][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9310.252660][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9310.252660][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9310.252660][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9310.252660][ T10] addrconf_dad_begin+0x310/0x670 [ 9310.252660][ T10] addrconf_dad_work+0x10b/0xab0 [ 9310.252660][ T10] process_one_work+0x84d/0x18a0 [ 9310.252660][ T10] worker_thread+0x587/0xd30 [ 9310.252660][ T10] kthread+0x28a/0x350 [ 9310.252660][ T10] ret_from_fork+0x31/0x70 [ 9310.252660][ T10] ret_from_fork_asm+0x1a/0x30 [ 9310.252660][ T10] [ 9310.254637][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9310.254637][ T10] netdev_get_by_index+0x5e/0x80 [ 9310.254637][ T10] fib6_nh_init+0x3d8/0x1580 [ 9310.254637][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9310.254637][ T10] ip6_route_add+0x1c/0x140 [ 9310.254637][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9310.254637][ T10] inet6_addr_add+0x4f8/0xa40 [ 9310.254637][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9310.254637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9310.254637][ T10] netlink_rcv_skb+0x130/0x360 [ 9310.254637][ T10] netlink_unicast+0x449/0x710 [ 9310.254637][ T10] netlink_sendmsg+0x723/0xbe0 [ 9310.254637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9310.254637][ T10] ___sys_sendmsg+0xee/0x170 [ 9310.254637][ T10] __sys_sendmsg+0xcd/0x170 [ 9310.254637][ T10] do_syscall_64+0xc6/0x1e0 [ 9310.254637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9310.254637][ T10] [ 9310.256773][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9310.256773][ T10] netdev_get_by_index+0x5e/0x80 [ 9310.256773][ T10] fib6_nh_init+0x3d8/0x1580 [ 9310.256773][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9310.256773][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9310.256773][ T10] ipv6_add_addr+0x411/0x2000 [ 9310.256773][ T10] inet6_addr_add+0x30e/0xa40 [ 9310.256773][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9310.256773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9310.256773][ T10] netlink_rcv_skb+0x130/0x360 [ 9310.256773][ T10] netlink_unicast+0x449/0x710 [ 9310.256773][ T10] netlink_sendmsg+0x723/0xbe0 [ 9310.256773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9310.256773][ T10] ___sys_sendmsg+0xee/0x170 [ 9310.256773][ T10] __sys_sendmsg+0xcd/0x170 [ 9310.256773][ T10] do_syscall_64+0xc6/0x1e0 [ 9310.256773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9310.256773][ T10] [ 9310.258898][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9310.258898][ T10] netdev_get_by_index+0x5e/0x80 [ 9310.258898][ T10] fib6_nh_init+0x3d8/0x1580 [ 9310.258898][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9310.258898][ T10] ip6_route_add+0x1c/0x140 [ 9310.258898][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9310.258898][ T10] addrconf_add_dev+0xe2/0x170 [ 9310.258898][ T10] inet6_addr_add+0x12f/0xa40 [ 9310.258898][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9310.258898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9310.258898][ T10] netlink_rcv_skb+0x130/0x360 [ 9310.258898][ T10] netlink_unicast+0x449/0x710 [ 9310.258898][ T10] netlink_sendmsg+0x723/0xbe0 [ 9310.258898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9310.258898][ T10] ___sys_sendmsg+0xee/0x170 [ 9310.258898][ T10] __sys_sendmsg+0xcd/0x170 [ 9310.258898][ T10] do_syscall_64+0xc6/0x1e0 [ 9310.258898][ T10] [ 9310.260990][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9310.260990][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9310.260990][ T10] ipv6_find_idev+0x102/0x170 [ 9310.260990][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9310.260990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9310.260990][ T10] netlink_rcv_skb+0x130/0x360 [ 9310.260990][ T10] netlink_unicast+0x449/0x710 [ 9310.260990][ T10] netlink_sendmsg+0x723/0xbe0 [ 9310.260990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9310.260990][ T10] ___sys_sendmsg+0xee/0x170 [ 9310.260990][ T10] __sys_sendmsg+0xcd/0x170 [ 9310.260990][ T10] do_syscall_64+0xc6/0x1e0 [ 9310.260990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9310.260990][ T10] [ 9310.262592][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9310.262592][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9310.262592][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9310.262592][ T10] ipv6_find_idev+0x102/0x170 [ 9310.262592][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9310.262592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9310.262592][ T10] netlink_rcv_skb+0x130/0x360 [ 9310.262592][ T10] netlink_unicast+0x449/0x710 [ 9310.262592][ T10] netlink_sendmsg+0x723/0xbe0 [ 9310.262592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9310.262592][ T10] ___sys_sendmsg+0xee/0x170 [ 9310.262592][ T10] __sys_sendmsg+0xcd/0x170 [ 9310.262592][ T10] do_syscall_64+0xc6/0x1e0 [ 9310.262592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9310.262592][ T10] [ 9315.521046][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9315.521528][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9315.521528][ T1167] dst_init+0x84/0x4a0 [ 9315.521528][ T1167] dst_alloc+0x97/0x150 [ 9315.521528][ T1167] ip6_dst_alloc+0x23/0x90 [ 9315.521528][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9315.521528][ T1167] ip6_pol_route+0x56f/0x840 [ 9315.521528][ T1167] fib6_rule_lookup+0x334/0x630 [ 9315.521528][ T1167] ip6_route_output_flags+0x259/0x480 [ 9315.521528][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9315.521528][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9315.521528][ T1167] netlink_rcv_skb+0x130/0x360 [ 9315.521528][ T1167] netlink_unicast+0x449/0x710 [ 9315.521528][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9315.521528][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9315.521528][ T1167] ___sys_sendmsg+0xee/0x170 [ 9315.521528][ T1167] __sys_sendmsg+0xcd/0x170 [ 9315.521528][ T1167] do_syscall_64+0xc6/0x1e0 [ 9315.521528][ T1167] [ 9315.523744][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9315.523744][ T1167] netdev_get_by_index+0x5e/0x80 [ 9315.523744][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9315.523744][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9315.523744][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9315.523744][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9315.523744][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9315.523744][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9315.523744][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9315.523744][ T1167] addrconf_dad_begin+0x310/0x670 [ 9315.523744][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9315.523744][ T1167] process_one_work+0x84d/0x18a0 [ 9315.523744][ T1167] worker_thread+0x587/0xd30 [ 9315.523744][ T1167] kthread+0x28a/0x350 [ 9315.523744][ T1167] ret_from_fork+0x31/0x70 [ 9315.523744][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9315.523744][ T1167] [ 9315.525900][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9315.525900][ T1167] netdev_get_by_index+0x5e/0x80 [ 9315.525900][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9315.525900][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9315.525900][ T1167] ip6_route_add+0x1c/0x140 [ 9315.525900][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9315.525900][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9315.525900][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9315.525900][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9315.525900][ T1167] netlink_rcv_skb+0x130/0x360 [ 9315.525900][ T1167] netlink_unicast+0x449/0x710 [ 9315.525900][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9315.525900][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9315.525900][ T1167] ___sys_sendmsg+0xee/0x170 [ 9315.525900][ T1167] __sys_sendmsg+0xcd/0x170 [ 9315.525900][ T1167] do_syscall_64+0xc6/0x1e0 [ 9315.525900][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9315.525900][ T1167] [ 9315.528144][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9315.528144][ T1167] netdev_get_by_index+0x5e/0x80 [ 9315.528144][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9315.528144][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9315.528144][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9315.528144][ T1167] ipv6_add_addr+0x411/0x2000 [ 9315.528144][ T1167] inet6_addr_add+0x30e/0xa40 [ 9315.528144][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9315.528144][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9315.528144][ T1167] netlink_rcv_skb+0x130/0x360 [ 9315.528144][ T1167] netlink_unicast+0x449/0x710 [ 9315.528144][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9315.528144][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9315.528144][ T1167] ___sys_sendmsg+0xee/0x170 [ 9315.528144][ T1167] __sys_sendmsg+0xcd/0x170 [ 9315.528144][ T1167] do_syscall_64+0xc6/0x1e0 [ 9315.528144][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9315.528144][ T1167] [ 9315.530408][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9315.530408][ T1167] netdev_get_by_index+0x5e/0x80 [ 9315.530408][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9315.530408][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9315.530408][ T1167] ip6_route_add+0x1c/0x140 [ 9315.530408][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9315.530408][ T1167] addrconf_add_dev+0xe2/0x170 [ 9315.530408][ T1167] inet6_addr_add+0x12f/0xa40 [ 9315.530408][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9315.530408][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9315.530408][ T1167] netlink_rcv_skb+0x130/0x360 [ 9315.530408][ T1167] netlink_unicast+0x449/0x710 [ 9315.530408][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9315.530408][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9315.530408][ T1167] ___sys_sendmsg+0xee/0x170 [ 9315.530408][ T1167] __sys_sendmsg+0xcd/0x170 [ 9315.530408][ T1167] do_syscall_64+0xc6/0x1e0 [ 9315.530408][ T1167] [ 9315.532608][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9315.532608][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9315.532608][ T1167] ipv6_find_idev+0x102/0x170 [ 9315.532608][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9315.532608][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9315.532608][ T1167] netlink_rcv_skb+0x130/0x360 [ 9315.532608][ T1167] netlink_unicast+0x449/0x710 [ 9315.532608][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9315.532608][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9315.532608][ T1167] ___sys_sendmsg+0xee/0x170 [ 9315.532608][ T1167] __sys_sendmsg+0xcd/0x170 [ 9315.532608][ T1167] do_syscall_64+0xc6/0x1e0 [ 9315.532608][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9315.532608][ T1167] [ 9315.534334][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9315.534334][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9315.534334][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9315.534334][ T1167] ipv6_find_idev+0x102/0x170 [ 9315.534334][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9315.534334][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9315.534334][ T1167] netlink_rcv_skb+0x130/0x360 [ 9315.534334][ T1167] netlink_unicast+0x449/0x710 [ 9315.534334][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9315.534334][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9315.534334][ T1167] ___sys_sendmsg+0xee/0x170 [ 9315.534334][ T1167] __sys_sendmsg+0xcd/0x170 [ 9315.534334][ T1167] do_syscall_64+0xc6/0x1e0 [ 9315.534334][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9315.534334][ T1167] [ 9320.505100][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9320.505523][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9320.505523][ T10] netdev_get_by_index+0x5e/0x80 [ 9320.505523][ T10] fib6_nh_init+0x3d8/0x1580 [ 9320.505523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9320.505523][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9320.505523][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9320.505523][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9320.505523][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9320.505523][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9320.505523][ T10] addrconf_dad_begin+0x310/0x670 [ 9320.505523][ T10] addrconf_dad_work+0x10b/0xab0 [ 9320.505523][ T10] process_one_work+0x84d/0x18a0 [ 9320.505523][ T10] worker_thread+0x587/0xd30 [ 9320.505523][ T10] kthread+0x28a/0x350 [ 9320.505523][ T10] ret_from_fork+0x31/0x70 [ 9320.505523][ T10] ret_from_fork_asm+0x1a/0x30 [ 9320.505523][ T10] [ 9320.507464][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9320.507464][ T10] netdev_get_by_index+0x5e/0x80 [ 9320.507464][ T10] fib6_nh_init+0x3d8/0x1580 [ 9320.507464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9320.507464][ T10] ip6_route_add+0x1c/0x140 [ 9320.507464][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9320.507464][ T10] inet6_addr_add+0x4f8/0xa40 [ 9320.507464][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9320.507464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9320.507464][ T10] netlink_rcv_skb+0x130/0x360 [ 9320.507464][ T10] netlink_unicast+0x449/0x710 [ 9320.507464][ T10] netlink_sendmsg+0x723/0xbe0 [ 9320.507464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9320.507464][ T10] ___sys_sendmsg+0xee/0x170 [ 9320.507464][ T10] __sys_sendmsg+0xcd/0x170 [ 9320.507464][ T10] do_syscall_64+0xc6/0x1e0 [ 9320.507464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9320.507464][ T10] [ 9320.509489][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9320.509489][ T10] netdev_get_by_index+0x5e/0x80 [ 9320.509489][ T10] fib6_nh_init+0x3d8/0x1580 [ 9320.509489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9320.509489][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9320.509489][ T10] ipv6_add_addr+0x411/0x2000 [ 9320.509489][ T10] inet6_addr_add+0x30e/0xa40 [ 9320.509489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9320.509489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9320.509489][ T10] netlink_rcv_skb+0x130/0x360 [ 9320.509489][ T10] netlink_unicast+0x449/0x710 [ 9320.509489][ T10] netlink_sendmsg+0x723/0xbe0 [ 9320.509489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9320.509489][ T10] ___sys_sendmsg+0xee/0x170 [ 9320.509489][ T10] __sys_sendmsg+0xcd/0x170 [ 9320.509489][ T10] do_syscall_64+0xc6/0x1e0 [ 9320.509489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9320.509489][ T10] [ 9320.511491][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9320.511491][ T10] netdev_get_by_index+0x5e/0x80 [ 9320.511491][ T10] fib6_nh_init+0x3d8/0x1580 [ 9320.511491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9320.511491][ T10] ip6_route_add+0x1c/0x140 [ 9320.511491][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9320.511491][ T10] addrconf_add_dev+0xe2/0x170 [ 9320.511491][ T10] inet6_addr_add+0x12f/0xa40 [ 9320.511491][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9320.511491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9320.511491][ T10] netlink_rcv_skb+0x130/0x360 [ 9320.511491][ T10] netlink_unicast+0x449/0x710 [ 9320.511491][ T10] netlink_sendmsg+0x723/0xbe0 [ 9320.511491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9320.511491][ T10] ___sys_sendmsg+0xee/0x170 [ 9320.511491][ T10] __sys_sendmsg+0xcd/0x170 [ 9320.511491][ T10] do_syscall_64+0xc6/0x1e0 [ 9320.511491][ T10] [ 9320.513465][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9320.513465][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9320.513465][ T10] ipv6_find_idev+0x102/0x170 [ 9320.513465][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9320.513465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9320.513465][ T10] netlink_rcv_skb+0x130/0x360 [ 9320.513465][ T10] netlink_unicast+0x449/0x710 [ 9320.513465][ T10] netlink_sendmsg+0x723/0xbe0 [ 9320.513465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9320.513465][ T10] ___sys_sendmsg+0xee/0x170 [ 9320.513465][ T10] __sys_sendmsg+0xcd/0x170 [ 9320.513465][ T10] do_syscall_64+0xc6/0x1e0 [ 9320.513465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9320.513465][ T10] [ 9320.515027][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9320.515027][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9320.515027][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9320.515027][ T10] ipv6_find_idev+0x102/0x170 [ 9320.515027][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9320.515027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9320.515027][ T10] netlink_rcv_skb+0x130/0x360 [ 9320.515027][ T10] netlink_unicast+0x449/0x710 [ 9320.515027][ T10] netlink_sendmsg+0x723/0xbe0 [ 9320.515027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9320.515027][ T10] ___sys_sendmsg+0xee/0x170 [ 9320.515027][ T10] __sys_sendmsg+0xcd/0x170 [ 9320.515027][ T10] do_syscall_64+0xc6/0x1e0 [ 9320.515027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9320.515027][ T10] [ 9320.516723][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9320.516964][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9320.516964][ T10] netdev_get_by_index+0x5e/0x80 [ 9320.516964][ T10] fib6_nh_init+0x3d8/0x1580 [ 9320.516964][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9320.516964][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9320.516964][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9320.516964][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9320.516964][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9320.516964][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9320.516964][ T10] addrconf_dad_begin+0x310/0x670 [ 9320.516964][ T10] addrconf_dad_work+0x10b/0xab0 [ 9320.516964][ T10] process_one_work+0x84d/0x18a0 [ 9320.516964][ T10] worker_thread+0x587/0xd30 [ 9320.516964][ T10] kthread+0x28a/0x350 [ 9320.516964][ T10] ret_from_fork+0x31/0x70 [ 9320.516964][ T10] ret_from_fork_asm+0x1a/0x30 [ 9320.516964][ T10] [ 9320.518875][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9320.518875][ T10] netdev_get_by_index+0x5e/0x80 [ 9320.518875][ T10] fib6_nh_init+0x3d8/0x1580 [ 9320.518875][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9320.518875][ T10] ip6_route_add+0x1c/0x140 [ 9320.518875][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9320.518875][ T10] inet6_addr_add+0x4f8/0xa40 [ 9320.518875][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9320.518875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9320.518875][ T10] netlink_rcv_skb+0x130/0x360 [ 9320.518875][ T10] netlink_unicast+0x449/0x710 [ 9320.518875][ T10] netlink_sendmsg+0x723/0xbe0 [ 9320.518875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9320.518875][ T10] ___sys_sendmsg+0xee/0x170 [ 9320.518875][ T10] __sys_sendmsg+0xcd/0x170 [ 9320.518875][ T10] do_syscall_64+0xc6/0x1e0 [ 9320.518875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9320.518875][ T10] [ 9320.520894][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9320.520894][ T10] netdev_get_by_index+0x5e/0x80 [ 9320.520894][ T10] fib6_nh_init+0x3d8/0x1580 [ 9320.520894][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9320.520894][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9320.520894][ T10] ipv6_add_addr+0x411/0x2000 [ 9320.520894][ T10] inet6_addr_add+0x30e/0xa40 [ 9320.520894][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9320.520894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9320.520894][ T10] netlink_rcv_skb+0x130/0x360 [ 9320.520894][ T10] netlink_unicast+0x449/0x710 [ 9320.520894][ T10] netlink_sendmsg+0x723/0xbe0 [ 9320.520894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9320.520894][ T10] ___sys_sendmsg+0xee/0x170 [ 9320.520894][ T10] __sys_sendmsg+0xcd/0x170 [ 9320.520894][ T10] do_syscall_64+0xc6/0x1e0 [ 9320.520894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9320.520894][ T10] [ 9320.522909][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9320.522909][ T10] netdev_get_by_index+0x5e/0x80 [ 9320.522909][ T10] fib6_nh_init+0x3d8/0x1580 [ 9320.522909][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9320.522909][ T10] ip6_route_add+0x1c/0x140 [ 9320.522909][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9320.522909][ T10] addrconf_add_dev+0xe2/0x170 [ 9320.522909][ T10] inet6_addr_add+0x12f/0xa40 [ 9320.522909][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9320.522909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9320.522909][ T10] netlink_rcv_skb+0x130/0x360 [ 9320.522909][ T10] netlink_unicast+0x449/0x710 [ 9320.522909][ T10] netlink_sendmsg+0x723/0xbe0 [ 9320.522909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9320.522909][ T10] ___sys_sendmsg+0xee/0x170 [ 9320.522909][ T10] __sys_sendmsg+0xcd/0x170 [ 9320.522909][ T10] do_syscall_64+0xc6/0x1e0 [ 9320.522909][ T10] [ 9320.524883][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9320.524883][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9320.524883][ T10] ipv6_find_idev+0x102/0x170 [ 9320.524883][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9320.524883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9320.524883][ T10] netlink_rcv_skb+0x130/0x360 [ 9320.524883][ T10] netlink_unicast+0x449/0x710 [ 9320.524883][ T10] netlink_sendmsg+0x723/0xbe0 [ 9320.524883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9320.524883][ T10] ___sys_sendmsg+0xee/0x170 [ 9320.524883][ T10] __sys_sendmsg+0xcd/0x170 [ 9320.524883][ T10] do_syscall_64+0xc6/0x1e0 [ 9320.524883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9320.524883][ T10] [ 9320.526424][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9320.526424][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9320.526424][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9320.526424][ T10] ipv6_find_idev+0x102/0x170 [ 9320.526424][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9320.526424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9320.526424][ T10] netlink_rcv_skb+0x130/0x360 [ 9320.526424][ T10] netlink_unicast+0x449/0x710 [ 9320.526424][ T10] netlink_sendmsg+0x723/0xbe0 [ 9320.526424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9320.526424][ T10] ___sys_sendmsg+0xee/0x170 [ 9320.526424][ T10] __sys_sendmsg+0xcd/0x170 [ 9320.526424][ T10] do_syscall_64+0xc6/0x1e0 [ 9320.526424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9320.526424][ T10] [ 9320.528119][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9320.528356][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9320.528356][ T10] netdev_get_by_index+0x5e/0x80 [ 9320.528356][ T10] fib6_nh_init+0x3d8/0x1580 [ 9320.528356][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9320.528356][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9320.528356][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9320.528356][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9320.528356][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9320.528356][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9320.528356][ T10] addrconf_dad_begin+0x310/0x670 [ 9320.528356][ T10] addrconf_dad_work+0x10b/0xab0 [ 9320.528356][ T10] process_one_work+0x84d/0x18a0 [ 9320.528356][ T10] worker_thread+0x587/0xd30 [ 9320.528356][ T10] kthread+0x28a/0x350 [ 9320.528356][ T10] ret_from_fork+0x31/0x70 [ 9320.528356][ T10] ret_from_fork_asm+0x1a/0x30 [ 9320.528356][ T10] [ 9320.530272][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9320.530272][ T10] netdev_get_by_index+0x5e/0x80 [ 9320.530272][ T10] fib6_nh_init+0x3d8/0x1580 [ 9320.530272][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9320.530272][ T10] ip6_route_add+0x1c/0x140 [ 9320.530272][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9320.530272][ T10] inet6_addr_add+0x4f8/0xa40 [ 9320.530272][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9320.530272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9320.530272][ T10] netlink_rcv_skb+0x130/0x360 [ 9320.530272][ T10] netlink_unicast+0x449/0x710 [ 9320.530272][ T10] netlink_sendmsg+0x723/0xbe0 [ 9320.530272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9320.530272][ T10] ___sys_sendmsg+0xee/0x170 [ 9320.530272][ T10] __sys_sendmsg+0xcd/0x170 [ 9320.530272][ T10] do_syscall_64+0xc6/0x1e0 [ 9320.530272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9320.530272][ T10] [ 9320.532454][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9320.532454][ T10] netdev_get_by_index+0x5e/0x80 [ 9320.532454][ T10] fib6_nh_init+0x3d8/0x1580 [ 9320.532454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9320.532454][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9320.532454][ T10] ipv6_add_addr+0x411/0x2000 [ 9320.532454][ T10] inet6_addr_add+0x30e/0xa40 [ 9320.532454][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9320.532454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9320.532454][ T10] netlink_rcv_skb+0x130/0x360 [ 9320.532454][ T10] netlink_unicast+0x449/0x710 [ 9320.532454][ T10] netlink_sendmsg+0x723/0xbe0 [ 9320.532454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9320.532454][ T10] ___sys_sendmsg+0xee/0x170 [ 9320.532454][ T10] __sys_sendmsg+0xcd/0x170 [ 9320.532454][ T10] do_syscall_64+0xc6/0x1e0 [ 9320.532454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9320.532454][ T10] [ 9320.534706][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9320.534706][ T10] netdev_get_by_index+0x5e/0x80 [ 9320.534706][ T10] fib6_nh_init+0x3d8/0x1580 [ 9320.534706][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9320.534706][ T10] ip6_route_add+0x1c/0x140 [ 9320.534706][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9320.534706][ T10] addrconf_add_dev+0xe2/0x170 [ 9320.534706][ T10] inet6_addr_add+0x12f/0xa40 [ 9320.534706][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9320.534706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9320.534706][ T10] netlink_rcv_skb+0x130/0x360 [ 9320.534706][ T10] netlink_unicast+0x449/0x710 [ 9320.534706][ T10] netlink_sendmsg+0x723/0xbe0 [ 9320.534706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9320.534706][ T10] ___sys_sendmsg+0xee/0x170 [ 9320.534706][ T10] __sys_sendmsg+0xcd/0x170 [ 9320.534706][ T10] do_syscall_64+0xc6/0x1e0 [ 9320.534706][ T10] [ 9320.536862][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9320.536862][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9320.536862][ T10] ipv6_find_idev+0x102/0x170 [ 9320.536862][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9320.536862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9320.536862][ T10] netlink_rcv_skb+0x130/0x360 [ 9320.536862][ T10] netlink_unicast+0x449/0x710 [ 9320.536862][ T10] netlink_sendmsg+0x723/0xbe0 [ 9320.536862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9320.536862][ T10] ___sys_sendmsg+0xee/0x170 [ 9320.536862][ T10] __sys_sendmsg+0xcd/0x170 [ 9320.536862][ T10] do_syscall_64+0xc6/0x1e0 [ 9320.536862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9320.536862][ T10] [ 9320.538601][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9320.538601][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9320.538601][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9320.538601][ T10] ipv6_find_idev+0x102/0x170 [ 9320.538601][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9320.538601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9320.538601][ T10] netlink_rcv_skb+0x130/0x360 [ 9320.538601][ T10] netlink_unicast+0x449/0x710 [ 9320.538601][ T10] netlink_sendmsg+0x723/0xbe0 [ 9320.538601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9320.538601][ T10] ___sys_sendmsg+0xee/0x170 [ 9320.538601][ T10] __sys_sendmsg+0xcd/0x170 [ 9320.538601][ T10] do_syscall_64+0xc6/0x1e0 [ 9320.538601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9320.538601][ T10] [ 9320.540591][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9320.540832][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9320.540832][ T10] netdev_get_by_index+0x5e/0x80 [ 9320.540832][ T10] fib6_nh_init+0x3d8/0x1580 [ 9320.540832][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9320.540832][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9320.540832][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9320.540832][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9320.540832][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9320.540832][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9320.540832][ T10] addrconf_dad_begin+0x310/0x670 [ 9320.540832][ T10] addrconf_dad_work+0x10b/0xab0 [ 9320.540832][ T10] process_one_work+0x84d/0x18a0 [ 9320.540832][ T10] worker_thread+0x587/0xd30 [ 9320.540832][ T10] kthread+0x28a/0x350 [ 9320.540832][ T10] ret_from_fork+0x31/0x70 [ 9320.540832][ T10] ret_from_fork_asm+0x1a/0x30 [ 9320.540832][ T10] [ 9320.543008][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9320.543008][ T10] netdev_get_by_index+0x5e/0x80 [ 9320.543008][ T10] fib6_nh_init+0x3d8/0x1580 [ 9320.543008][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9320.543008][ T10] ip6_route_add+0x1c/0x140 [ 9320.543008][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9320.543008][ T10] inet6_addr_add+0x4f8/0xa40 [ 9320.543008][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9320.543008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9320.543008][ T10] netlink_rcv_skb+0x130/0x360 [ 9320.543008][ T10] netlink_unicast+0x449/0x710 [ 9320.543008][ T10] netlink_sendmsg+0x723/0xbe0 [ 9320.543008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9320.543008][ T10] ___sys_sendmsg+0xee/0x170 [ 9320.543008][ T10] __sys_sendmsg+0xcd/0x170 [ 9320.543008][ T10] do_syscall_64+0xc6/0x1e0 [ 9320.543008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9320.543008][ T10] [ 9320.545196][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9320.545196][ T10] netdev_get_by_index+0x5e/0x80 [ 9320.545196][ T10] fib6_nh_init+0x3d8/0x1580 [ 9320.545196][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9320.545196][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9320.545196][ T10] ipv6_add_addr+0x411/0x2000 [ 9320.545196][ T10] inet6_addr_add+0x30e/0xa40 [ 9320.545196][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9320.545196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9320.545196][ T10] netlink_rcv_skb+0x130/0x360 [ 9320.545196][ T10] netlink_unicast+0x449/0x710 [ 9320.545196][ T10] netlink_sendmsg+0x723/0xbe0 [ 9320.545196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9320.545196][ T10] ___sys_sendmsg+0xee/0x170 [ 9320.545196][ T10] __sys_sendmsg+0xcd/0x170 [ 9320.545196][ T10] do_syscall_64+0xc6/0x1e0 [ 9320.545196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9320.545196][ T10] [ 9320.547448][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9320.547448][ T10] netdev_get_by_index+0x5e/0x80 [ 9320.547448][ T10] fib6_nh_init+0x3d8/0x1580 [ 9320.547448][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9320.547448][ T10] ip6_route_add+0x1c/0x140 [ 9320.547448][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9320.547448][ T10] addrconf_add_dev+0xe2/0x170 [ 9320.547448][ T10] inet6_addr_add+0x12f/0xa40 [ 9320.547448][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9320.547448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9320.547448][ T10] netlink_rcv_skb+0x130/0x360 [ 9320.547448][ T10] netlink_unicast+0x449/0x710 [ 9320.547448][ T10] netlink_sendmsg+0x723/0xbe0 [ 9320.547448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9320.547448][ T10] ___sys_sendmsg+0xee/0x170 [ 9320.547448][ T10] __sys_sendmsg+0xcd/0x170 [ 9320.547448][ T10] do_syscall_64+0xc6/0x1e0 [ 9320.547448][ T10] [ 9320.549733][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9320.549733][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9320.549733][ T10] ipv6_find_idev+0x102/0x170 [ 9320.549733][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9320.549733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9320.549733][ T10] netlink_rcv_skb+0x130/0x360 [ 9320.549733][ T10] netlink_unicast+0x449/0x710 [ 9320.549733][ T10] netlink_sendmsg+0x723/0xbe0 [ 9320.549733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9320.549733][ T10] ___sys_sendmsg+0xee/0x170 [ 9320.549733][ T10] __sys_sendmsg+0xcd/0x170 [ 9320.549733][ T10] do_syscall_64+0xc6/0x1e0 [ 9320.549733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9320.549733][ T10] [ 9320.551460][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9320.551460][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9320.551460][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9320.551460][ T10] ipv6_find_idev+0x102/0x170 [ 9320.551460][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9320.551460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9320.551460][ T10] netlink_rcv_skb+0x130/0x360 [ 9320.551460][ T10] netlink_unicast+0x449/0x710 [ 9320.551460][ T10] netlink_sendmsg+0x723/0xbe0 [ 9320.551460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9320.551460][ T10] ___sys_sendmsg+0xee/0x170 [ 9320.551460][ T10] __sys_sendmsg+0xcd/0x170 [ 9320.551460][ T10] do_syscall_64+0xc6/0x1e0 [ 9320.551460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9320.551460][ T10] [ 9325.785034][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9325.785520][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9325.785520][ T1167] dst_init+0x84/0x4a0 [ 9325.785520][ T1167] dst_alloc+0x97/0x150 [ 9325.785520][ T1167] ip6_dst_alloc+0x23/0x90 [ 9325.785520][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9325.785520][ T1167] ip6_pol_route+0x56f/0x840 [ 9325.785520][ T1167] fib6_rule_lookup+0x334/0x630 [ 9325.785520][ T1167] ip6_route_output_flags+0x259/0x480 [ 9325.785520][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9325.785520][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9325.785520][ T1167] netlink_rcv_skb+0x130/0x360 [ 9325.785520][ T1167] netlink_unicast+0x449/0x710 [ 9325.785520][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9325.785520][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9325.785520][ T1167] ___sys_sendmsg+0xee/0x170 [ 9325.785520][ T1167] __sys_sendmsg+0xcd/0x170 [ 9325.785520][ T1167] do_syscall_64+0xc6/0x1e0 [ 9325.785520][ T1167] [ 9325.787725][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9325.787725][ T1167] netdev_get_by_index+0x5e/0x80 [ 9325.787725][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9325.787725][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9325.787725][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9325.787725][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9325.787725][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9325.787725][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9325.787725][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9325.787725][ T1167] addrconf_dad_begin+0x310/0x670 [ 9325.787725][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9325.787725][ T1167] process_one_work+0x84d/0x18a0 [ 9325.787725][ T1167] worker_thread+0x587/0xd30 [ 9325.787725][ T1167] kthread+0x28a/0x350 [ 9325.787725][ T1167] ret_from_fork+0x31/0x70 [ 9325.787725][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9325.787725][ T1167] [ 9325.789884][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9325.789884][ T1167] netdev_get_by_index+0x5e/0x80 [ 9325.789884][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9325.789884][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9325.789884][ T1167] ip6_route_add+0x1c/0x140 [ 9325.789884][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9325.789884][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9325.789884][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9325.789884][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9325.789884][ T1167] netlink_rcv_skb+0x130/0x360 [ 9325.789884][ T1167] netlink_unicast+0x449/0x710 [ 9325.789884][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9325.789884][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9325.789884][ T1167] ___sys_sendmsg+0xee/0x170 [ 9325.789884][ T1167] __sys_sendmsg+0xcd/0x170 [ 9325.789884][ T1167] do_syscall_64+0xc6/0x1e0 [ 9325.789884][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9325.789884][ T1167] [ 9325.792132][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9325.792132][ T1167] netdev_get_by_index+0x5e/0x80 [ 9325.792132][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9325.792132][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9325.792132][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9325.792132][ T1167] ipv6_add_addr+0x411/0x2000 [ 9325.792132][ T1167] inet6_addr_add+0x30e/0xa40 [ 9325.792132][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9325.792132][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9325.792132][ T1167] netlink_rcv_skb+0x130/0x360 [ 9325.792132][ T1167] netlink_unicast+0x449/0x710 [ 9325.792132][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9325.792132][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9325.792132][ T1167] ___sys_sendmsg+0xee/0x170 [ 9325.792132][ T1167] __sys_sendmsg+0xcd/0x170 [ 9325.792132][ T1167] do_syscall_64+0xc6/0x1e0 [ 9325.792132][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9325.792132][ T1167] [ 9325.794392][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9325.794392][ T1167] netdev_get_by_index+0x5e/0x80 [ 9325.794392][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9325.794392][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9325.794392][ T1167] ip6_route_add+0x1c/0x140 [ 9325.794392][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9325.794392][ T1167] addrconf_add_dev+0xe2/0x170 [ 9325.794392][ T1167] inet6_addr_add+0x12f/0xa40 [ 9325.794392][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9325.794392][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9325.794392][ T1167] netlink_rcv_skb+0x130/0x360 [ 9325.794392][ T1167] netlink_unicast+0x449/0x710 [ 9325.794392][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9325.794392][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9325.794392][ T1167] ___sys_sendmsg+0xee/0x170 [ 9325.794392][ T1167] __sys_sendmsg+0xcd/0x170 [ 9325.794392][ T1167] do_syscall_64+0xc6/0x1e0 [ 9325.794392][ T1167] [ 9325.796598][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9325.796598][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9325.796598][ T1167] ipv6_find_idev+0x102/0x170 [ 9325.796598][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9325.796598][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9325.796598][ T1167] netlink_rcv_skb+0x130/0x360 [ 9325.796598][ T1167] netlink_unicast+0x449/0x710 [ 9325.796598][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9325.796598][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9325.796598][ T1167] ___sys_sendmsg+0xee/0x170 [ 9325.796598][ T1167] __sys_sendmsg+0xcd/0x170 [ 9325.796598][ T1167] do_syscall_64+0xc6/0x1e0 [ 9325.796598][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9325.796598][ T1167] [ 9325.798331][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9325.798331][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9325.798331][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9325.798331][ T1167] ipv6_find_idev+0x102/0x170 [ 9325.798331][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9325.798331][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9325.798331][ T1167] netlink_rcv_skb+0x130/0x360 [ 9325.798331][ T1167] netlink_unicast+0x449/0x710 [ 9325.798331][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9325.798331][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9325.798331][ T1167] ___sys_sendmsg+0xee/0x170 [ 9325.798331][ T1167] __sys_sendmsg+0xcd/0x170 [ 9325.798331][ T1167] do_syscall_64+0xc6/0x1e0 [ 9325.798331][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9325.798331][ T1167] [ 9330.793036][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9330.793447][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9330.793447][ T10] netdev_get_by_index+0x5e/0x80 [ 9330.793447][ T10] fib6_nh_init+0x3d8/0x1580 [ 9330.793447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9330.793447][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9330.793447][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9330.793447][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9330.793447][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9330.793447][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9330.793447][ T10] addrconf_dad_begin+0x310/0x670 [ 9330.793447][ T10] addrconf_dad_work+0x10b/0xab0 [ 9330.793447][ T10] process_one_work+0x84d/0x18a0 [ 9330.793447][ T10] worker_thread+0x587/0xd30 [ 9330.793447][ T10] kthread+0x28a/0x350 [ 9330.793447][ T10] ret_from_fork+0x31/0x70 [ 9330.793447][ T10] ret_from_fork_asm+0x1a/0x30 [ 9330.793447][ T10] [ 9330.795384][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9330.795384][ T10] netdev_get_by_index+0x5e/0x80 [ 9330.795384][ T10] fib6_nh_init+0x3d8/0x1580 [ 9330.795384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9330.795384][ T10] ip6_route_add+0x1c/0x140 [ 9330.795384][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9330.795384][ T10] inet6_addr_add+0x4f8/0xa40 [ 9330.795384][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9330.795384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9330.795384][ T10] netlink_rcv_skb+0x130/0x360 [ 9330.795384][ T10] netlink_unicast+0x449/0x710 [ 9330.795384][ T10] netlink_sendmsg+0x723/0xbe0 [ 9330.795384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9330.795384][ T10] ___sys_sendmsg+0xee/0x170 [ 9330.795384][ T10] __sys_sendmsg+0xcd/0x170 [ 9330.795384][ T10] do_syscall_64+0xc6/0x1e0 [ 9330.795384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9330.795384][ T10] [ 9330.797389][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9330.797389][ T10] netdev_get_by_index+0x5e/0x80 [ 9330.797389][ T10] fib6_nh_init+0x3d8/0x1580 [ 9330.797389][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9330.797389][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9330.797389][ T10] ipv6_add_addr+0x411/0x2000 [ 9330.797389][ T10] inet6_addr_add+0x30e/0xa40 [ 9330.797389][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9330.797389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9330.797389][ T10] netlink_rcv_skb+0x130/0x360 [ 9330.797389][ T10] netlink_unicast+0x449/0x710 [ 9330.797389][ T10] netlink_sendmsg+0x723/0xbe0 [ 9330.797389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9330.797389][ T10] ___sys_sendmsg+0xee/0x170 [ 9330.797389][ T10] __sys_sendmsg+0xcd/0x170 [ 9330.797389][ T10] do_syscall_64+0xc6/0x1e0 [ 9330.797389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9330.797389][ T10] [ 9330.799377][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9330.799377][ T10] netdev_get_by_index+0x5e/0x80 [ 9330.799377][ T10] fib6_nh_init+0x3d8/0x1580 [ 9330.799377][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9330.799377][ T10] ip6_route_add+0x1c/0x140 [ 9330.799377][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9330.799377][ T10] addrconf_add_dev+0xe2/0x170 [ 9330.799377][ T10] inet6_addr_add+0x12f/0xa40 [ 9330.799377][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9330.799377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9330.799377][ T10] netlink_rcv_skb+0x130/0x360 [ 9330.799377][ T10] netlink_unicast+0x449/0x710 [ 9330.799377][ T10] netlink_sendmsg+0x723/0xbe0 [ 9330.799377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9330.799377][ T10] ___sys_sendmsg+0xee/0x170 [ 9330.799377][ T10] __sys_sendmsg+0xcd/0x170 [ 9330.799377][ T10] do_syscall_64+0xc6/0x1e0 [ 9330.799377][ T10] [ 9330.801333][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9330.801333][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9330.801333][ T10] ipv6_find_idev+0x102/0x170 [ 9330.801333][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9330.801333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9330.801333][ T10] netlink_rcv_skb+0x130/0x360 [ 9330.801333][ T10] netlink_unicast+0x449/0x710 [ 9330.801333][ T10] netlink_sendmsg+0x723/0xbe0 [ 9330.801333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9330.801333][ T10] ___sys_sendmsg+0xee/0x170 [ 9330.801333][ T10] __sys_sendmsg+0xcd/0x170 [ 9330.801333][ T10] do_syscall_64+0xc6/0x1e0 [ 9330.801333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9330.801333][ T10] [ 9330.802876][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9330.802876][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9330.802876][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9330.802876][ T10] ipv6_find_idev+0x102/0x170 [ 9330.802876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9330.802876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9330.802876][ T10] netlink_rcv_skb+0x130/0x360 [ 9330.802876][ T10] netlink_unicast+0x449/0x710 [ 9330.802876][ T10] netlink_sendmsg+0x723/0xbe0 [ 9330.802876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9330.802876][ T10] ___sys_sendmsg+0xee/0x170 [ 9330.802876][ T10] __sys_sendmsg+0xcd/0x170 [ 9330.802876][ T10] do_syscall_64+0xc6/0x1e0 [ 9330.802876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9330.802876][ T10] [ 9330.804576][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9330.804816][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9330.804816][ T10] netdev_get_by_index+0x5e/0x80 [ 9330.804816][ T10] fib6_nh_init+0x3d8/0x1580 [ 9330.804816][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9330.804816][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9330.804816][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9330.804816][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9330.804816][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9330.804816][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9330.804816][ T10] addrconf_dad_begin+0x310/0x670 [ 9330.804816][ T10] addrconf_dad_work+0x10b/0xab0 [ 9330.804816][ T10] process_one_work+0x84d/0x18a0 [ 9330.804816][ T10] worker_thread+0x587/0xd30 [ 9330.804816][ T10] kthread+0x28a/0x350 [ 9330.804816][ T10] ret_from_fork+0x31/0x70 [ 9330.804816][ T10] ret_from_fork_asm+0x1a/0x30 [ 9330.804816][ T10] [ 9330.806724][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9330.806724][ T10] netdev_get_by_index+0x5e/0x80 [ 9330.806724][ T10] fib6_nh_init+0x3d8/0x1580 [ 9330.806724][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9330.806724][ T10] ip6_route_add+0x1c/0x140 [ 9330.806724][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9330.806724][ T10] inet6_addr_add+0x4f8/0xa40 [ 9330.806724][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9330.806724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9330.806724][ T10] netlink_rcv_skb+0x130/0x360 [ 9330.806724][ T10] netlink_unicast+0x449/0x710 [ 9330.806724][ T10] netlink_sendmsg+0x723/0xbe0 [ 9330.806724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9330.806724][ T10] ___sys_sendmsg+0xee/0x170 [ 9330.806724][ T10] __sys_sendmsg+0xcd/0x170 [ 9330.806724][ T10] do_syscall_64+0xc6/0x1e0 [ 9330.806724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9330.806724][ T10] [ 9330.808725][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9330.808725][ T10] netdev_get_by_index+0x5e/0x80 [ 9330.808725][ T10] fib6_nh_init+0x3d8/0x1580 [ 9330.808725][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9330.808725][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9330.808725][ T10] ipv6_add_addr+0x411/0x2000 [ 9330.808725][ T10] inet6_addr_add+0x30e/0xa40 [ 9330.808725][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9330.808725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9330.808725][ T10] netlink_rcv_skb+0x130/0x360 [ 9330.808725][ T10] netlink_unicast+0x449/0x710 [ 9330.808725][ T10] netlink_sendmsg+0x723/0xbe0 [ 9330.808725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9330.808725][ T10] ___sys_sendmsg+0xee/0x170 [ 9330.808725][ T10] __sys_sendmsg+0xcd/0x170 [ 9330.808725][ T10] do_syscall_64+0xc6/0x1e0 [ 9330.808725][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9330.808725][ T10] [ 9330.810719][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9330.810719][ T10] netdev_get_by_index+0x5e/0x80 [ 9330.810719][ T10] fib6_nh_init+0x3d8/0x1580 [ 9330.810719][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9330.810719][ T10] ip6_route_add+0x1c/0x140 [ 9330.810719][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9330.810719][ T10] addrconf_add_dev+0xe2/0x170 [ 9330.810719][ T10] inet6_addr_add+0x12f/0xa40 [ 9330.810719][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9330.810719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9330.810719][ T10] netlink_rcv_skb+0x130/0x360 [ 9330.810719][ T10] netlink_unicast+0x449/0x710 [ 9330.810719][ T10] netlink_sendmsg+0x723/0xbe0 [ 9330.810719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9330.810719][ T10] ___sys_sendmsg+0xee/0x170 [ 9330.810719][ T10] __sys_sendmsg+0xcd/0x170 [ 9330.810719][ T10] do_syscall_64+0xc6/0x1e0 [ 9330.810719][ T10] [ 9330.812678][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9330.812678][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9330.812678][ T10] ipv6_find_idev+0x102/0x170 [ 9330.812678][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9330.812678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9330.812678][ T10] netlink_rcv_skb+0x130/0x360 [ 9330.812678][ T10] netlink_unicast+0x449/0x710 [ 9330.812678][ T10] netlink_sendmsg+0x723/0xbe0 [ 9330.812678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9330.812678][ T10] ___sys_sendmsg+0xee/0x170 [ 9330.812678][ T10] __sys_sendmsg+0xcd/0x170 [ 9330.812678][ T10] do_syscall_64+0xc6/0x1e0 [ 9330.812678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9330.812678][ T10] [ 9330.814213][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9330.814213][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9330.814213][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9330.814213][ T10] ipv6_find_idev+0x102/0x170 [ 9330.814213][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9330.814213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9330.814213][ T10] netlink_rcv_skb+0x130/0x360 [ 9330.814213][ T10] netlink_unicast+0x449/0x710 [ 9330.814213][ T10] netlink_sendmsg+0x723/0xbe0 [ 9330.814213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9330.814213][ T10] ___sys_sendmsg+0xee/0x170 [ 9330.814213][ T10] __sys_sendmsg+0xcd/0x170 [ 9330.814213][ T10] do_syscall_64+0xc6/0x1e0 [ 9330.814213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9330.814213][ T10] [ 9330.815907][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9330.816691][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9330.816691][ T10] netdev_get_by_index+0x5e/0x80 [ 9330.816691][ T10] fib6_nh_init+0x3d8/0x1580 [ 9330.816691][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9330.816691][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9330.816691][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9330.816691][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9330.816691][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9330.816691][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9330.816691][ T10] addrconf_dad_begin+0x310/0x670 [ 9330.816691][ T10] addrconf_dad_work+0x10b/0xab0 [ 9330.816691][ T10] process_one_work+0x84d/0x18a0 [ 9330.816691][ T10] worker_thread+0x587/0xd30 [ 9330.816691][ T10] kthread+0x28a/0x350 [ 9330.816691][ T10] ret_from_fork+0x31/0x70 [ 9330.816691][ T10] ret_from_fork_asm+0x1a/0x30 [ 9330.816691][ T10] [ 9330.818607][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9330.818607][ T10] netdev_get_by_index+0x5e/0x80 [ 9330.818607][ T10] fib6_nh_init+0x3d8/0x1580 [ 9330.818607][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9330.818607][ T10] ip6_route_add+0x1c/0x140 [ 9330.818607][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9330.818607][ T10] inet6_addr_add+0x4f8/0xa40 [ 9330.818607][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9330.818607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9330.818607][ T10] netlink_rcv_skb+0x130/0x360 [ 9330.818607][ T10] netlink_unicast+0x449/0x710 [ 9330.818607][ T10] netlink_sendmsg+0x723/0xbe0 [ 9330.818607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9330.818607][ T10] ___sys_sendmsg+0xee/0x170 [ 9330.818607][ T10] __sys_sendmsg+0xcd/0x170 [ 9330.818607][ T10] do_syscall_64+0xc6/0x1e0 [ 9330.818607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9330.818607][ T10] [ 9330.820735][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9330.820735][ T10] netdev_get_by_index+0x5e/0x80 [ 9330.820735][ T10] fib6_nh_init+0x3d8/0x1580 [ 9330.820735][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9330.820735][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9330.820735][ T10] ipv6_add_addr+0x411/0x2000 [ 9330.820735][ T10] inet6_addr_add+0x30e/0xa40 [ 9330.820735][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9330.820735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9330.820735][ T10] netlink_rcv_skb+0x130/0x360 [ 9330.820735][ T10] netlink_unicast+0x449/0x710 [ 9330.820735][ T10] netlink_sendmsg+0x723/0xbe0 [ 9330.820735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9330.820735][ T10] ___sys_sendmsg+0xee/0x170 [ 9330.820735][ T10] __sys_sendmsg+0xcd/0x170 [ 9330.820735][ T10] do_syscall_64+0xc6/0x1e0 [ 9330.820735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9330.820735][ T10] [ 9330.822868][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9330.822868][ T10] netdev_get_by_index+0x5e/0x80 [ 9330.822868][ T10] fib6_nh_init+0x3d8/0x1580 [ 9330.822868][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9330.822868][ T10] ip6_route_add+0x1c/0x140 [ 9330.822868][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9330.822868][ T10] addrconf_add_dev+0xe2/0x170 [ 9330.822868][ T10] inet6_addr_add+0x12f/0xa40 [ 9330.822868][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9330.822868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9330.822868][ T10] netlink_rcv_skb+0x130/0x360 [ 9330.822868][ T10] netlink_unicast+0x449/0x710 [ 9330.822868][ T10] netlink_sendmsg+0x723/0xbe0 [ 9330.822868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9330.822868][ T10] ___sys_sendmsg+0xee/0x170 [ 9330.822868][ T10] __sys_sendmsg+0xcd/0x170 [ 9330.822868][ T10] do_syscall_64+0xc6/0x1e0 [ 9330.822868][ T10] [ 9330.824969][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9330.824969][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9330.824969][ T10] ipv6_find_idev+0x102/0x170 [ 9330.824969][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9330.824969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9330.824969][ T10] netlink_rcv_skb+0x130/0x360 [ 9330.824969][ T10] netlink_unicast+0x449/0x710 [ 9330.824969][ T10] netlink_sendmsg+0x723/0xbe0 [ 9330.824969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9330.824969][ T10] ___sys_sendmsg+0xee/0x170 [ 9330.824969][ T10] __sys_sendmsg+0xcd/0x170 [ 9330.824969][ T10] do_syscall_64+0xc6/0x1e0 [ 9330.824969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9330.824969][ T10] [ 9330.826641][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9330.826641][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9330.826641][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9330.826641][ T10] ipv6_find_idev+0x102/0x170 [ 9330.826641][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9330.826641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9330.826641][ T10] netlink_rcv_skb+0x130/0x360 [ 9330.826641][ T10] netlink_unicast+0x449/0x710 [ 9330.826641][ T10] netlink_sendmsg+0x723/0xbe0 [ 9330.826641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9330.826641][ T10] ___sys_sendmsg+0xee/0x170 [ 9330.826641][ T10] __sys_sendmsg+0xcd/0x170 [ 9330.826641][ T10] do_syscall_64+0xc6/0x1e0 [ 9330.826641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9330.826641][ T10] [ 9330.828412][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9330.828647][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9330.828647][ T10] netdev_get_by_index+0x5e/0x80 [ 9330.828647][ T10] fib6_nh_init+0x3d8/0x1580 [ 9330.828647][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9330.828647][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9330.828647][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9330.828647][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9330.828647][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9330.828647][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9330.828647][ T10] addrconf_dad_begin+0x310/0x670 [ 9330.828647][ T10] addrconf_dad_work+0x10b/0xab0 [ 9330.828647][ T10] process_one_work+0x84d/0x18a0 [ 9330.828647][ T10] worker_thread+0x587/0xd30 [ 9330.828647][ T10] kthread+0x28a/0x350 [ 9330.828647][ T10] ret_from_fork+0x31/0x70 [ 9330.828647][ T10] ret_from_fork_asm+0x1a/0x30 [ 9330.828647][ T10] [ 9330.830691][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9330.830691][ T10] netdev_get_by_index+0x5e/0x80 [ 9330.830691][ T10] fib6_nh_init+0x3d8/0x1580 [ 9330.830691][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9330.830691][ T10] ip6_route_add+0x1c/0x140 [ 9330.830691][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9330.830691][ T10] inet6_addr_add+0x4f8/0xa40 [ 9330.830691][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9330.830691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9330.830691][ T10] netlink_rcv_skb+0x130/0x360 [ 9330.830691][ T10] netlink_unicast+0x449/0x710 [ 9330.830691][ T10] netlink_sendmsg+0x723/0xbe0 [ 9330.830691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9330.830691][ T10] ___sys_sendmsg+0xee/0x170 [ 9330.830691][ T10] __sys_sendmsg+0xcd/0x170 [ 9330.830691][ T10] do_syscall_64+0xc6/0x1e0 [ 9330.830691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9330.830691][ T10] [ 9330.832821][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9330.832821][ T10] netdev_get_by_index+0x5e/0x80 [ 9330.832821][ T10] fib6_nh_init+0x3d8/0x1580 [ 9330.832821][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9330.832821][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9330.832821][ T10] ipv6_add_addr+0x411/0x2000 [ 9330.832821][ T10] inet6_addr_add+0x30e/0xa40 [ 9330.832821][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9330.832821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9330.832821][ T10] netlink_rcv_skb+0x130/0x360 [ 9330.832821][ T10] netlink_unicast+0x449/0x710 [ 9330.832821][ T10] netlink_sendmsg+0x723/0xbe0 [ 9330.832821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9330.832821][ T10] ___sys_sendmsg+0xee/0x170 [ 9330.832821][ T10] __sys_sendmsg+0xcd/0x170 [ 9330.832821][ T10] do_syscall_64+0xc6/0x1e0 [ 9330.832821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9330.832821][ T10] [ 9330.834965][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9330.834965][ T10] netdev_get_by_index+0x5e/0x80 [ 9330.834965][ T10] fib6_nh_init+0x3d8/0x1580 [ 9330.834965][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9330.834965][ T10] ip6_route_add+0x1c/0x140 [ 9330.834965][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9330.834965][ T10] addrconf_add_dev+0xe2/0x170 [ 9330.834965][ T10] inet6_addr_add+0x12f/0xa40 [ 9330.834965][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9330.834965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9330.834965][ T10] netlink_rcv_skb+0x130/0x360 [ 9330.834965][ T10] netlink_unicast+0x449/0x710 [ 9330.834965][ T10] netlink_sendmsg+0x723/0xbe0 [ 9330.834965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9330.834965][ T10] ___sys_sendmsg+0xee/0x170 [ 9330.834965][ T10] __sys_sendmsg+0xcd/0x170 [ 9330.834965][ T10] do_syscall_64+0xc6/0x1e0 [ 9330.834965][ T10] [ 9330.837056][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9330.837056][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9330.837056][ T10] ipv6_find_idev+0x102/0x170 [ 9330.837056][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9330.837056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9330.837056][ T10] netlink_rcv_skb+0x130/0x360 [ 9330.837056][ T10] netlink_unicast+0x449/0x710 [ 9330.837056][ T10] netlink_sendmsg+0x723/0xbe0 [ 9330.837056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9330.837056][ T10] ___sys_sendmsg+0xee/0x170 [ 9330.837056][ T10] __sys_sendmsg+0xcd/0x170 [ 9330.837056][ T10] do_syscall_64+0xc6/0x1e0 [ 9330.837056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9330.837056][ T10] [ 9330.838662][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9330.838662][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9330.838662][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9330.838662][ T10] ipv6_find_idev+0x102/0x170 [ 9330.838662][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9330.838662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9330.838662][ T10] netlink_rcv_skb+0x130/0x360 [ 9330.838662][ T10] netlink_unicast+0x449/0x710 [ 9330.838662][ T10] netlink_sendmsg+0x723/0xbe0 [ 9330.838662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9330.838662][ T10] ___sys_sendmsg+0xee/0x170 [ 9330.838662][ T10] __sys_sendmsg+0xcd/0x170 [ 9330.838662][ T10] do_syscall_64+0xc6/0x1e0 [ 9330.838662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9330.838662][ T10] [ 9336.049174][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9336.049663][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9336.049663][ T1167] dst_init+0x84/0x4a0 [ 9336.049663][ T1167] dst_alloc+0x97/0x150 [ 9336.049663][ T1167] ip6_dst_alloc+0x23/0x90 [ 9336.049663][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9336.049663][ T1167] ip6_pol_route+0x56f/0x840 [ 9336.049663][ T1167] fib6_rule_lookup+0x334/0x630 [ 9336.049663][ T1167] ip6_route_output_flags+0x259/0x480 [ 9336.049663][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9336.049663][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9336.049663][ T1167] netlink_rcv_skb+0x130/0x360 [ 9336.049663][ T1167] netlink_unicast+0x449/0x710 [ 9336.049663][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9336.049663][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9336.049663][ T1167] ___sys_sendmsg+0xee/0x170 [ 9336.049663][ T1167] __sys_sendmsg+0xcd/0x170 [ 9336.049663][ T1167] do_syscall_64+0xc6/0x1e0 [ 9336.049663][ T1167] [ 9336.051854][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9336.051854][ T1167] netdev_get_by_index+0x5e/0x80 [ 9336.051854][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9336.051854][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9336.051854][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9336.051854][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9336.051854][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9336.051854][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9336.051854][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9336.051854][ T1167] addrconf_dad_begin+0x310/0x670 [ 9336.051854][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9336.051854][ T1167] process_one_work+0x84d/0x18a0 [ 9336.051854][ T1167] worker_thread+0x587/0xd30 [ 9336.051854][ T1167] kthread+0x28a/0x350 [ 9336.051854][ T1167] ret_from_fork+0x31/0x70 [ 9336.051854][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9336.051854][ T1167] [ 9336.054000][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9336.054000][ T1167] netdev_get_by_index+0x5e/0x80 [ 9336.054000][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9336.054000][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9336.054000][ T1167] ip6_route_add+0x1c/0x140 [ 9336.054000][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9336.054000][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9336.054000][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9336.054000][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9336.054000][ T1167] netlink_rcv_skb+0x130/0x360 [ 9336.054000][ T1167] netlink_unicast+0x449/0x710 [ 9336.054000][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9336.054000][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9336.054000][ T1167] ___sys_sendmsg+0xee/0x170 [ 9336.054000][ T1167] __sys_sendmsg+0xcd/0x170 [ 9336.054000][ T1167] do_syscall_64+0xc6/0x1e0 [ 9336.054000][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9336.054000][ T1167] [ 9336.056285][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9336.056285][ T1167] netdev_get_by_index+0x5e/0x80 [ 9336.056285][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9336.056285][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9336.056285][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9336.056285][ T1167] ipv6_add_addr+0x411/0x2000 [ 9336.056285][ T1167] inet6_addr_add+0x30e/0xa40 [ 9336.056285][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9336.056285][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9336.056285][ T1167] netlink_rcv_skb+0x130/0x360 [ 9336.056285][ T1167] netlink_unicast+0x449/0x710 [ 9336.056285][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9336.056285][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9336.056285][ T1167] ___sys_sendmsg+0xee/0x170 [ 9336.056285][ T1167] __sys_sendmsg+0xcd/0x170 [ 9336.056285][ T1167] do_syscall_64+0xc6/0x1e0 [ 9336.056285][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9336.056285][ T1167] [ 9336.058532][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9336.058532][ T1167] netdev_get_by_index+0x5e/0x80 [ 9336.058532][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9336.058532][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9336.058532][ T1167] ip6_route_add+0x1c/0x140 [ 9336.058532][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9336.058532][ T1167] addrconf_add_dev+0xe2/0x170 [ 9336.058532][ T1167] inet6_addr_add+0x12f/0xa40 [ 9336.058532][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9336.058532][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9336.058532][ T1167] netlink_rcv_skb+0x130/0x360 [ 9336.058532][ T1167] netlink_unicast+0x449/0x710 [ 9336.058532][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9336.058532][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9336.058532][ T1167] ___sys_sendmsg+0xee/0x170 [ 9336.058532][ T1167] __sys_sendmsg+0xcd/0x170 [ 9336.058532][ T1167] do_syscall_64+0xc6/0x1e0 [ 9336.058532][ T1167] [ 9336.060729][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9336.060729][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9336.060729][ T1167] ipv6_find_idev+0x102/0x170 [ 9336.060729][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9336.060729][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9336.060729][ T1167] netlink_rcv_skb+0x130/0x360 [ 9336.060729][ T1167] netlink_unicast+0x449/0x710 [ 9336.060729][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9336.060729][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9336.060729][ T1167] ___sys_sendmsg+0xee/0x170 [ 9336.060729][ T1167] __sys_sendmsg+0xcd/0x170 [ 9336.060729][ T1167] do_syscall_64+0xc6/0x1e0 [ 9336.060729][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9336.060729][ T1167] [ 9336.062469][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9336.062469][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9336.062469][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9336.062469][ T1167] ipv6_find_idev+0x102/0x170 [ 9336.062469][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9336.062469][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9336.062469][ T1167] netlink_rcv_skb+0x130/0x360 [ 9336.062469][ T1167] netlink_unicast+0x449/0x710 [ 9336.062469][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9336.062469][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9336.062469][ T1167] ___sys_sendmsg+0xee/0x170 [ 9336.062469][ T1167] __sys_sendmsg+0xcd/0x170 [ 9336.062469][ T1167] do_syscall_64+0xc6/0x1e0 [ 9336.062469][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9336.062469][ T1167] [ 9341.081099][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9341.081522][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9341.081522][ T10] netdev_get_by_index+0x5e/0x80 [ 9341.081522][ T10] fib6_nh_init+0x3d8/0x1580 [ 9341.081522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9341.081522][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9341.081522][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9341.081522][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9341.081522][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9341.081522][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9341.081522][ T10] addrconf_dad_begin+0x310/0x670 [ 9341.081522][ T10] addrconf_dad_work+0x10b/0xab0 [ 9341.081522][ T10] process_one_work+0x84d/0x18a0 [ 9341.081522][ T10] worker_thread+0x587/0xd30 [ 9341.081522][ T10] kthread+0x28a/0x350 [ 9341.081522][ T10] ret_from_fork+0x31/0x70 [ 9341.081522][ T10] ret_from_fork_asm+0x1a/0x30 [ 9341.081522][ T10] [ 9341.083462][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9341.083462][ T10] netdev_get_by_index+0x5e/0x80 [ 9341.083462][ T10] fib6_nh_init+0x3d8/0x1580 [ 9341.083462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9341.083462][ T10] ip6_route_add+0x1c/0x140 [ 9341.083462][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9341.083462][ T10] inet6_addr_add+0x4f8/0xa40 [ 9341.083462][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9341.083462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9341.083462][ T10] netlink_rcv_skb+0x130/0x360 [ 9341.083462][ T10] netlink_unicast+0x449/0x710 [ 9341.083462][ T10] netlink_sendmsg+0x723/0xbe0 [ 9341.083462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9341.083462][ T10] ___sys_sendmsg+0xee/0x170 [ 9341.083462][ T10] __sys_sendmsg+0xcd/0x170 [ 9341.083462][ T10] do_syscall_64+0xc6/0x1e0 [ 9341.083462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9341.083462][ T10] [ 9341.085990][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9341.085990][ T10] netdev_get_by_index+0x5e/0x80 [ 9341.085990][ T10] fib6_nh_init+0x3d8/0x1580 [ 9341.085990][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9341.085990][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9341.085990][ T10] ipv6_add_addr+0x411/0x2000 [ 9341.085990][ T10] inet6_addr_add+0x30e/0xa40 [ 9341.085990][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9341.085990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9341.085990][ T10] netlink_rcv_skb+0x130/0x360 [ 9341.085990][ T10] netlink_unicast+0x449/0x710 [ 9341.085990][ T10] netlink_sendmsg+0x723/0xbe0 [ 9341.085990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9341.085990][ T10] ___sys_sendmsg+0xee/0x170 [ 9341.085990][ T10] __sys_sendmsg+0xcd/0x170 [ 9341.085990][ T10] do_syscall_64+0xc6/0x1e0 [ 9341.085990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9341.085990][ T10] [ 9341.087991][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9341.087991][ T10] netdev_get_by_index+0x5e/0x80 [ 9341.087991][ T10] fib6_nh_init+0x3d8/0x1580 [ 9341.087991][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9341.087991][ T10] ip6_route_add+0x1c/0x140 [ 9341.087991][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9341.087991][ T10] addrconf_add_dev+0xe2/0x170 [ 9341.087991][ T10] inet6_addr_add+0x12f/0xa40 [ 9341.087991][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9341.087991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9341.087991][ T10] netlink_rcv_skb+0x130/0x360 [ 9341.087991][ T10] netlink_unicast+0x449/0x710 [ 9341.087991][ T10] netlink_sendmsg+0x723/0xbe0 [ 9341.087991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9341.087991][ T10] ___sys_sendmsg+0xee/0x170 [ 9341.087991][ T10] __sys_sendmsg+0xcd/0x170 [ 9341.087991][ T10] do_syscall_64+0xc6/0x1e0 [ 9341.087991][ T10] [ 9341.089958][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9341.089958][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9341.089958][ T10] ipv6_find_idev+0x102/0x170 [ 9341.089958][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9341.089958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9341.089958][ T10] netlink_rcv_skb+0x130/0x360 [ 9341.089958][ T10] netlink_unicast+0x449/0x710 [ 9341.089958][ T10] netlink_sendmsg+0x723/0xbe0 [ 9341.089958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9341.089958][ T10] ___sys_sendmsg+0xee/0x170 [ 9341.089958][ T10] __sys_sendmsg+0xcd/0x170 [ 9341.089958][ T10] do_syscall_64+0xc6/0x1e0 [ 9341.089958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9341.089958][ T10] [ 9341.091503][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9341.091503][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9341.091503][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9341.091503][ T10] ipv6_find_idev+0x102/0x170 [ 9341.091503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9341.091503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9341.091503][ T10] netlink_rcv_skb+0x130/0x360 [ 9341.091503][ T10] netlink_unicast+0x449/0x710 [ 9341.091503][ T10] netlink_sendmsg+0x723/0xbe0 [ 9341.091503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9341.091503][ T10] ___sys_sendmsg+0xee/0x170 [ 9341.091503][ T10] __sys_sendmsg+0xcd/0x170 [ 9341.091503][ T10] do_syscall_64+0xc6/0x1e0 [ 9341.091503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9341.091503][ T10] [ 9341.093197][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9341.093444][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9341.093444][ T10] netdev_get_by_index+0x5e/0x80 [ 9341.093444][ T10] fib6_nh_init+0x3d8/0x1580 [ 9341.093444][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9341.093444][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9341.093444][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9341.093444][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9341.093444][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9341.093444][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9341.093444][ T10] addrconf_dad_begin+0x310/0x670 [ 9341.093444][ T10] addrconf_dad_work+0x10b/0xab0 [ 9341.093444][ T10] process_one_work+0x84d/0x18a0 [ 9341.093444][ T10] worker_thread+0x587/0xd30 [ 9341.093444][ T10] kthread+0x28a/0x350 [ 9341.093444][ T10] ret_from_fork+0x31/0x70 [ 9341.093444][ T10] ret_from_fork_asm+0x1a/0x30 [ 9341.093444][ T10] [ 9341.095370][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9341.095370][ T10] netdev_get_by_index+0x5e/0x80 [ 9341.095370][ T10] fib6_nh_init+0x3d8/0x1580 [ 9341.095370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9341.095370][ T10] ip6_route_add+0x1c/0x140 [ 9341.095370][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9341.095370][ T10] inet6_addr_add+0x4f8/0xa40 [ 9341.095370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9341.095370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9341.095370][ T10] netlink_rcv_skb+0x130/0x360 [ 9341.095370][ T10] netlink_unicast+0x449/0x710 [ 9341.095370][ T10] netlink_sendmsg+0x723/0xbe0 [ 9341.095370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9341.095370][ T10] ___sys_sendmsg+0xee/0x170 [ 9341.095370][ T10] __sys_sendmsg+0xcd/0x170 [ 9341.095370][ T10] do_syscall_64+0xc6/0x1e0 [ 9341.095370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9341.095370][ T10] [ 9341.097378][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9341.097378][ T10] netdev_get_by_index+0x5e/0x80 [ 9341.097378][ T10] fib6_nh_init+0x3d8/0x1580 [ 9341.097378][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9341.097378][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9341.097378][ T10] ipv6_add_addr+0x411/0x2000 [ 9341.097378][ T10] inet6_addr_add+0x30e/0xa40 [ 9341.097378][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9341.097378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9341.097378][ T10] netlink_rcv_skb+0x130/0x360 [ 9341.097378][ T10] netlink_unicast+0x449/0x710 [ 9341.097378][ T10] netlink_sendmsg+0x723/0xbe0 [ 9341.097378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9341.097378][ T10] ___sys_sendmsg+0xee/0x170 [ 9341.097378][ T10] __sys_sendmsg+0xcd/0x170 [ 9341.097378][ T10] do_syscall_64+0xc6/0x1e0 [ 9341.097378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9341.097378][ T10] [ 9341.099384][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9341.099384][ T10] netdev_get_by_index+0x5e/0x80 [ 9341.099384][ T10] fib6_nh_init+0x3d8/0x1580 [ 9341.099384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9341.099384][ T10] ip6_route_add+0x1c/0x140 [ 9341.099384][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9341.099384][ T10] addrconf_add_dev+0xe2/0x170 [ 9341.099384][ T10] inet6_addr_add+0x12f/0xa40 [ 9341.099384][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9341.099384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9341.099384][ T10] netlink_rcv_skb+0x130/0x360 [ 9341.099384][ T10] netlink_unicast+0x449/0x710 [ 9341.099384][ T10] netlink_sendmsg+0x723/0xbe0 [ 9341.099384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9341.099384][ T10] ___sys_sendmsg+0xee/0x170 [ 9341.099384][ T10] __sys_sendmsg+0xcd/0x170 [ 9341.099384][ T10] do_syscall_64+0xc6/0x1e0 [ 9341.099384][ T10] [ 9341.101383][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9341.101383][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9341.101383][ T10] ipv6_find_idev+0x102/0x170 [ 9341.101383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9341.101383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9341.101383][ T10] netlink_rcv_skb+0x130/0x360 [ 9341.101383][ T10] netlink_unicast+0x449/0x710 [ 9341.101383][ T10] netlink_sendmsg+0x723/0xbe0 [ 9341.101383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9341.101383][ T10] ___sys_sendmsg+0xee/0x170 [ 9341.101383][ T10] __sys_sendmsg+0xcd/0x170 [ 9341.101383][ T10] do_syscall_64+0xc6/0x1e0 [ 9341.101383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9341.101383][ T10] [ 9341.102929][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9341.102929][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9341.102929][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9341.102929][ T10] ipv6_find_idev+0x102/0x170 [ 9341.102929][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9341.102929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9341.102929][ T10] netlink_rcv_skb+0x130/0x360 [ 9341.102929][ T10] netlink_unicast+0x449/0x710 [ 9341.102929][ T10] netlink_sendmsg+0x723/0xbe0 [ 9341.102929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9341.102929][ T10] ___sys_sendmsg+0xee/0x170 [ 9341.102929][ T10] __sys_sendmsg+0xcd/0x170 [ 9341.102929][ T10] do_syscall_64+0xc6/0x1e0 [ 9341.102929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9341.102929][ T10] [ 9341.104622][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9341.104860][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9341.104860][ T10] netdev_get_by_index+0x5e/0x80 [ 9341.104860][ T10] fib6_nh_init+0x3d8/0x1580 [ 9341.104860][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9341.104860][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9341.104860][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9341.104860][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9341.104860][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9341.104860][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9341.104860][ T10] addrconf_dad_begin+0x310/0x670 [ 9341.104860][ T10] addrconf_dad_work+0x10b/0xab0 [ 9341.104860][ T10] process_one_work+0x84d/0x18a0 [ 9341.104860][ T10] worker_thread+0x587/0xd30 [ 9341.104860][ T10] kthread+0x28a/0x350 [ 9341.104860][ T10] ret_from_fork+0x31/0x70 [ 9341.104860][ T10] ret_from_fork_asm+0x1a/0x30 [ 9341.104860][ T10] [ 9341.106773][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9341.106773][ T10] netdev_get_by_index+0x5e/0x80 [ 9341.106773][ T10] fib6_nh_init+0x3d8/0x1580 [ 9341.106773][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9341.106773][ T10] ip6_route_add+0x1c/0x140 [ 9341.106773][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9341.106773][ T10] inet6_addr_add+0x4f8/0xa40 [ 9341.106773][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9341.106773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9341.106773][ T10] netlink_rcv_skb+0x130/0x360 [ 9341.106773][ T10] netlink_unicast+0x449/0x710 [ 9341.106773][ T10] netlink_sendmsg+0x723/0xbe0 [ 9341.106773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9341.106773][ T10] ___sys_sendmsg+0xee/0x170 [ 9341.106773][ T10] __sys_sendmsg+0xcd/0x170 [ 9341.106773][ T10] do_syscall_64+0xc6/0x1e0 [ 9341.106773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9341.106773][ T10] [ 9341.108964][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9341.108964][ T10] netdev_get_by_index+0x5e/0x80 [ 9341.108964][ T10] fib6_nh_init+0x3d8/0x1580 [ 9341.108964][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9341.108964][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9341.108964][ T10] ipv6_add_addr+0x411/0x2000 [ 9341.108964][ T10] inet6_addr_add+0x30e/0xa40 [ 9341.108964][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9341.108964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9341.108964][ T10] netlink_rcv_skb+0x130/0x360 [ 9341.108964][ T10] netlink_unicast+0x449/0x710 [ 9341.108964][ T10] netlink_sendmsg+0x723/0xbe0 [ 9341.108964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9341.108964][ T10] ___sys_sendmsg+0xee/0x170 [ 9341.108964][ T10] __sys_sendmsg+0xcd/0x170 [ 9341.108964][ T10] do_syscall_64+0xc6/0x1e0 [ 9341.108964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9341.108964][ T10] [ 9341.111206][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9341.111206][ T10] netdev_get_by_index+0x5e/0x80 [ 9341.111206][ T10] fib6_nh_init+0x3d8/0x1580 [ 9341.111206][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9341.111206][ T10] ip6_route_add+0x1c/0x140 [ 9341.111206][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9341.111206][ T10] addrconf_add_dev+0xe2/0x170 [ 9341.111206][ T10] inet6_addr_add+0x12f/0xa40 [ 9341.111206][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9341.111206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9341.111206][ T10] netlink_rcv_skb+0x130/0x360 [ 9341.111206][ T10] netlink_unicast+0x449/0x710 [ 9341.111206][ T10] netlink_sendmsg+0x723/0xbe0 [ 9341.111206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9341.111206][ T10] ___sys_sendmsg+0xee/0x170 [ 9341.111206][ T10] __sys_sendmsg+0xcd/0x170 [ 9341.111206][ T10] do_syscall_64+0xc6/0x1e0 [ 9341.111206][ T10] [ 9341.113355][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9341.113355][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9341.113355][ T10] ipv6_find_idev+0x102/0x170 [ 9341.113355][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9341.113355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9341.113355][ T10] netlink_rcv_skb+0x130/0x360 [ 9341.113355][ T10] netlink_unicast+0x449/0x710 [ 9341.113355][ T10] netlink_sendmsg+0x723/0xbe0 [ 9341.113355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9341.113355][ T10] ___sys_sendmsg+0xee/0x170 [ 9341.113355][ T10] __sys_sendmsg+0xcd/0x170 [ 9341.113355][ T10] do_syscall_64+0xc6/0x1e0 [ 9341.113355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9341.113355][ T10] [ 9341.115085][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9341.115085][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9341.115085][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9341.115085][ T10] ipv6_find_idev+0x102/0x170 [ 9341.115085][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9341.115085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9341.115085][ T10] netlink_rcv_skb+0x130/0x360 [ 9341.115085][ T10] netlink_unicast+0x449/0x710 [ 9341.115085][ T10] netlink_sendmsg+0x723/0xbe0 [ 9341.115085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9341.115085][ T10] ___sys_sendmsg+0xee/0x170 [ 9341.115085][ T10] __sys_sendmsg+0xcd/0x170 [ 9341.115085][ T10] do_syscall_64+0xc6/0x1e0 [ 9341.115085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9341.115085][ T10] [ 9341.117088][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9341.117332][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9341.117332][ T10] netdev_get_by_index+0x5e/0x80 [ 9341.117332][ T10] fib6_nh_init+0x3d8/0x1580 [ 9341.117332][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9341.117332][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9341.117332][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9341.117332][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9341.117332][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9341.117332][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9341.117332][ T10] addrconf_dad_begin+0x310/0x670 [ 9341.117332][ T10] addrconf_dad_work+0x10b/0xab0 [ 9341.117332][ T10] process_one_work+0x84d/0x18a0 [ 9341.117332][ T10] worker_thread+0x587/0xd30 [ 9341.117332][ T10] kthread+0x28a/0x350 [ 9341.117332][ T10] ret_from_fork+0x31/0x70 [ 9341.117332][ T10] ret_from_fork_asm+0x1a/0x30 [ 9341.117332][ T10] [ 9341.119501][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9341.119501][ T10] netdev_get_by_index+0x5e/0x80 [ 9341.119501][ T10] fib6_nh_init+0x3d8/0x1580 [ 9341.119501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9341.119501][ T10] ip6_route_add+0x1c/0x140 [ 9341.119501][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9341.119501][ T10] inet6_addr_add+0x4f8/0xa40 [ 9341.119501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9341.119501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9341.119501][ T10] netlink_rcv_skb+0x130/0x360 [ 9341.119501][ T10] netlink_unicast+0x449/0x710 [ 9341.119501][ T10] netlink_sendmsg+0x723/0xbe0 [ 9341.119501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9341.119501][ T10] ___sys_sendmsg+0xee/0x170 [ 9341.119501][ T10] __sys_sendmsg+0xcd/0x170 [ 9341.119501][ T10] do_syscall_64+0xc6/0x1e0 [ 9341.119501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9341.119501][ T10] [ 9341.121682][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9341.121682][ T10] netdev_get_by_index+0x5e/0x80 [ 9341.121682][ T10] fib6_nh_init+0x3d8/0x1580 [ 9341.121682][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9341.121682][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9341.121682][ T10] ipv6_add_addr+0x411/0x2000 [ 9341.121682][ T10] inet6_addr_add+0x30e/0xa40 [ 9341.121682][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9341.121682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9341.121682][ T10] netlink_rcv_skb+0x130/0x360 [ 9341.121682][ T10] netlink_unicast+0x449/0x710 [ 9341.121682][ T10] netlink_sendmsg+0x723/0xbe0 [ 9341.121682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9341.121682][ T10] ___sys_sendmsg+0xee/0x170 [ 9341.121682][ T10] __sys_sendmsg+0xcd/0x170 [ 9341.121682][ T10] do_syscall_64+0xc6/0x1e0 [ 9341.121682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9341.121682][ T10] [ 9341.123930][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9341.123930][ T10] netdev_get_by_index+0x5e/0x80 [ 9341.123930][ T10] fib6_nh_init+0x3d8/0x1580 [ 9341.123930][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9341.123930][ T10] ip6_route_add+0x1c/0x140 [ 9341.123930][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9341.123930][ T10] addrconf_add_dev+0xe2/0x170 [ 9341.123930][ T10] inet6_addr_add+0x12f/0xa40 [ 9341.123930][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9341.123930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9341.123930][ T10] netlink_rcv_skb+0x130/0x360 [ 9341.123930][ T10] netlink_unicast+0x449/0x710 [ 9341.123930][ T10] netlink_sendmsg+0x723/0xbe0 [ 9341.123930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9341.123930][ T10] ___sys_sendmsg+0xee/0x170 [ 9341.123930][ T10] __sys_sendmsg+0xcd/0x170 [ 9341.123930][ T10] do_syscall_64+0xc6/0x1e0 [ 9341.123930][ T10] [ 9341.126219][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9341.126219][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9341.126219][ T10] ipv6_find_idev+0x102/0x170 [ 9341.126219][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9341.126219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9341.126219][ T10] netlink_rcv_skb+0x130/0x360 [ 9341.126219][ T10] netlink_unicast+0x449/0x710 [ 9341.126219][ T10] netlink_sendmsg+0x723/0xbe0 [ 9341.126219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9341.126219][ T10] ___sys_sendmsg+0xee/0x170 [ 9341.126219][ T10] __sys_sendmsg+0xcd/0x170 [ 9341.126219][ T10] do_syscall_64+0xc6/0x1e0 [ 9341.126219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9341.126219][ T10] [ 9341.127951][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9341.127951][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9341.127951][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9341.127951][ T10] ipv6_find_idev+0x102/0x170 [ 9341.127951][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9341.127951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9341.127951][ T10] netlink_rcv_skb+0x130/0x360 [ 9341.127951][ T10] netlink_unicast+0x449/0x710 [ 9341.127951][ T10] netlink_sendmsg+0x723/0xbe0 [ 9341.127951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9341.127951][ T10] ___sys_sendmsg+0xee/0x170 [ 9341.127951][ T10] __sys_sendmsg+0xcd/0x170 [ 9341.127951][ T10] do_syscall_64+0xc6/0x1e0 [ 9341.127951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9341.127951][ T10] [ 9346.313029][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9346.313520][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9346.313520][ T1167] dst_init+0x84/0x4a0 [ 9346.313520][ T1167] dst_alloc+0x97/0x150 [ 9346.313520][ T1167] ip6_dst_alloc+0x23/0x90 [ 9346.313520][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9346.313520][ T1167] ip6_pol_route+0x56f/0x840 [ 9346.313520][ T1167] fib6_rule_lookup+0x334/0x630 [ 9346.313520][ T1167] ip6_route_output_flags+0x259/0x480 [ 9346.313520][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9346.313520][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9346.313520][ T1167] netlink_rcv_skb+0x130/0x360 [ 9346.313520][ T1167] netlink_unicast+0x449/0x710 [ 9346.313520][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9346.313520][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9346.313520][ T1167] ___sys_sendmsg+0xee/0x170 [ 9346.313520][ T1167] __sys_sendmsg+0xcd/0x170 [ 9346.313520][ T1167] do_syscall_64+0xc6/0x1e0 [ 9346.313520][ T1167] [ 9346.315775][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9346.315775][ T1167] netdev_get_by_index+0x5e/0x80 [ 9346.315775][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9346.315775][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9346.315775][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9346.315775][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9346.315775][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9346.315775][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9346.315775][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9346.315775][ T1167] addrconf_dad_begin+0x310/0x670 [ 9346.315775][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9346.315775][ T1167] process_one_work+0x84d/0x18a0 [ 9346.315775][ T1167] worker_thread+0x587/0xd30 [ 9346.315775][ T1167] kthread+0x28a/0x350 [ 9346.315775][ T1167] ret_from_fork+0x31/0x70 [ 9346.315775][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9346.315775][ T1167] [ 9346.317965][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9346.317965][ T1167] netdev_get_by_index+0x5e/0x80 [ 9346.317965][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9346.317965][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9346.317965][ T1167] ip6_route_add+0x1c/0x140 [ 9346.317965][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9346.317965][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9346.317965][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9346.317965][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9346.317965][ T1167] netlink_rcv_skb+0x130/0x360 [ 9346.317965][ T1167] netlink_unicast+0x449/0x710 [ 9346.317965][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9346.317965][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9346.317965][ T1167] ___sys_sendmsg+0xee/0x170 [ 9346.317965][ T1167] __sys_sendmsg+0xcd/0x170 [ 9346.317965][ T1167] do_syscall_64+0xc6/0x1e0 [ 9346.317965][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9346.317965][ T1167] [ 9346.320238][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9346.320238][ T1167] netdev_get_by_index+0x5e/0x80 [ 9346.320238][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9346.320238][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9346.320238][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9346.320238][ T1167] ipv6_add_addr+0x411/0x2000 [ 9346.320238][ T1167] inet6_addr_add+0x30e/0xa40 [ 9346.320238][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9346.320238][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9346.320238][ T1167] netlink_rcv_skb+0x130/0x360 [ 9346.320238][ T1167] netlink_unicast+0x449/0x710 [ 9346.320238][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9346.320238][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9346.320238][ T1167] ___sys_sendmsg+0xee/0x170 [ 9346.320238][ T1167] __sys_sendmsg+0xcd/0x170 [ 9346.320238][ T1167] do_syscall_64+0xc6/0x1e0 [ 9346.320238][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9346.320238][ T1167] [ 9346.322519][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9346.322519][ T1167] netdev_get_by_index+0x5e/0x80 [ 9346.322519][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9346.322519][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9346.322519][ T1167] ip6_route_add+0x1c/0x140 [ 9346.322519][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9346.322519][ T1167] addrconf_add_dev+0xe2/0x170 [ 9346.322519][ T1167] inet6_addr_add+0x12f/0xa40 [ 9346.322519][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9346.322519][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9346.322519][ T1167] netlink_rcv_skb+0x130/0x360 [ 9346.322519][ T1167] netlink_unicast+0x449/0x710 [ 9346.322519][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9346.322519][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9346.322519][ T1167] ___sys_sendmsg+0xee/0x170 [ 9346.322519][ T1167] __sys_sendmsg+0xcd/0x170 [ 9346.322519][ T1167] do_syscall_64+0xc6/0x1e0 [ 9346.322519][ T1167] [ 9346.324773][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9346.324773][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9346.324773][ T1167] ipv6_find_idev+0x102/0x170 [ 9346.324773][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9346.324773][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9346.324773][ T1167] netlink_rcv_skb+0x130/0x360 [ 9346.324773][ T1167] netlink_unicast+0x449/0x710 [ 9346.324773][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9346.324773][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9346.324773][ T1167] ___sys_sendmsg+0xee/0x170 [ 9346.324773][ T1167] __sys_sendmsg+0xcd/0x170 [ 9346.324773][ T1167] do_syscall_64+0xc6/0x1e0 [ 9346.324773][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9346.324773][ T1167] [ 9346.326527][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9346.326527][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9346.326527][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9346.326527][ T1167] ipv6_find_idev+0x102/0x170 [ 9346.326527][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9346.326527][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9346.326527][ T1167] netlink_rcv_skb+0x130/0x360 [ 9346.326527][ T1167] netlink_unicast+0x449/0x710 [ 9346.326527][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9346.326527][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9346.326527][ T1167] ___sys_sendmsg+0xee/0x170 [ 9346.326527][ T1167] __sys_sendmsg+0xcd/0x170 [ 9346.326527][ T1167] do_syscall_64+0xc6/0x1e0 [ 9346.326527][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9346.326527][ T1167] [ 9351.201045][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9351.201457][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9351.201457][ T10] netdev_get_by_index+0x5e/0x80 [ 9351.201457][ T10] fib6_nh_init+0x3d8/0x1580 [ 9351.201457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9351.201457][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9351.201457][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9351.201457][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9351.201457][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9351.201457][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9351.201457][ T10] addrconf_dad_begin+0x310/0x670 [ 9351.201457][ T10] addrconf_dad_work+0x10b/0xab0 [ 9351.201457][ T10] process_one_work+0x84d/0x18a0 [ 9351.201457][ T10] worker_thread+0x587/0xd30 [ 9351.201457][ T10] kthread+0x28a/0x350 [ 9351.201457][ T10] ret_from_fork+0x31/0x70 [ 9351.201457][ T10] ret_from_fork_asm+0x1a/0x30 [ 9351.201457][ T10] [ 9351.203384][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9351.203384][ T10] netdev_get_by_index+0x5e/0x80 [ 9351.203384][ T10] fib6_nh_init+0x3d8/0x1580 [ 9351.203384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9351.203384][ T10] ip6_route_add+0x1c/0x140 [ 9351.203384][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9351.203384][ T10] inet6_addr_add+0x4f8/0xa40 [ 9351.203384][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9351.203384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9351.203384][ T10] netlink_rcv_skb+0x130/0x360 [ 9351.203384][ T10] netlink_unicast+0x449/0x710 [ 9351.203384][ T10] netlink_sendmsg+0x723/0xbe0 [ 9351.203384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9351.203384][ T10] ___sys_sendmsg+0xee/0x170 [ 9351.203384][ T10] __sys_sendmsg+0xcd/0x170 [ 9351.203384][ T10] do_syscall_64+0xc6/0x1e0 [ 9351.203384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9351.203384][ T10] [ 9351.205397][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9351.205397][ T10] netdev_get_by_index+0x5e/0x80 [ 9351.205397][ T10] fib6_nh_init+0x3d8/0x1580 [ 9351.205397][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9351.205397][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9351.205397][ T10] ipv6_add_addr+0x411/0x2000 [ 9351.205397][ T10] inet6_addr_add+0x30e/0xa40 [ 9351.205397][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9351.205397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9351.205397][ T10] netlink_rcv_skb+0x130/0x360 [ 9351.205397][ T10] netlink_unicast+0x449/0x710 [ 9351.205397][ T10] netlink_sendmsg+0x723/0xbe0 [ 9351.205397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9351.205397][ T10] ___sys_sendmsg+0xee/0x170 [ 9351.205397][ T10] __sys_sendmsg+0xcd/0x170 [ 9351.205397][ T10] do_syscall_64+0xc6/0x1e0 [ 9351.205397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9351.205397][ T10] [ 9351.207386][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9351.207386][ T10] netdev_get_by_index+0x5e/0x80 [ 9351.207386][ T10] fib6_nh_init+0x3d8/0x1580 [ 9351.207386][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9351.207386][ T10] ip6_route_add+0x1c/0x140 [ 9351.207386][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9351.207386][ T10] addrconf_add_dev+0xe2/0x170 [ 9351.207386][ T10] inet6_addr_add+0x12f/0xa40 [ 9351.207386][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9351.207386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9351.207386][ T10] netlink_rcv_skb+0x130/0x360 [ 9351.207386][ T10] netlink_unicast+0x449/0x710 [ 9351.207386][ T10] netlink_sendmsg+0x723/0xbe0 [ 9351.207386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9351.207386][ T10] ___sys_sendmsg+0xee/0x170 [ 9351.207386][ T10] __sys_sendmsg+0xcd/0x170 [ 9351.207386][ T10] do_syscall_64+0xc6/0x1e0 [ 9351.207386][ T10] [ 9351.209357][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9351.209357][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9351.209357][ T10] ipv6_find_idev+0x102/0x170 [ 9351.209357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9351.209357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9351.209357][ T10] netlink_rcv_skb+0x130/0x360 [ 9351.209357][ T10] netlink_unicast+0x449/0x710 [ 9351.209357][ T10] netlink_sendmsg+0x723/0xbe0 [ 9351.209357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9351.209357][ T10] ___sys_sendmsg+0xee/0x170 [ 9351.209357][ T10] __sys_sendmsg+0xcd/0x170 [ 9351.209357][ T10] do_syscall_64+0xc6/0x1e0 [ 9351.209357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9351.209357][ T10] [ 9351.210896][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9351.210896][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9351.210896][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9351.210896][ T10] ipv6_find_idev+0x102/0x170 [ 9351.210896][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9351.210896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9351.210896][ T10] netlink_rcv_skb+0x130/0x360 [ 9351.210896][ T10] netlink_unicast+0x449/0x710 [ 9351.210896][ T10] netlink_sendmsg+0x723/0xbe0 [ 9351.210896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9351.210896][ T10] ___sys_sendmsg+0xee/0x170 [ 9351.210896][ T10] __sys_sendmsg+0xcd/0x170 [ 9351.210896][ T10] do_syscall_64+0xc6/0x1e0 [ 9351.210896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9351.210896][ T10] [ 9351.212585][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9351.212825][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9351.212825][ T10] netdev_get_by_index+0x5e/0x80 [ 9351.212825][ T10] fib6_nh_init+0x3d8/0x1580 [ 9351.212825][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9351.212825][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9351.212825][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9351.212825][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9351.212825][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9351.212825][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9351.212825][ T10] addrconf_dad_begin+0x310/0x670 [ 9351.212825][ T10] addrconf_dad_work+0x10b/0xab0 [ 9351.212825][ T10] process_one_work+0x84d/0x18a0 [ 9351.212825][ T10] worker_thread+0x587/0xd30 [ 9351.212825][ T10] kthread+0x28a/0x350 [ 9351.212825][ T10] ret_from_fork+0x31/0x70 [ 9351.212825][ T10] ret_from_fork_asm+0x1a/0x30 [ 9351.212825][ T10] [ 9351.214734][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9351.214734][ T10] netdev_get_by_index+0x5e/0x80 [ 9351.214734][ T10] fib6_nh_init+0x3d8/0x1580 [ 9351.214734][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9351.214734][ T10] ip6_route_add+0x1c/0x140 [ 9351.214734][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9351.214734][ T10] inet6_addr_add+0x4f8/0xa40 [ 9351.214734][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9351.214734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9351.214734][ T10] netlink_rcv_skb+0x130/0x360 [ 9351.214734][ T10] netlink_unicast+0x449/0x710 [ 9351.214734][ T10] netlink_sendmsg+0x723/0xbe0 [ 9351.214734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9351.214734][ T10] ___sys_sendmsg+0xee/0x170 [ 9351.214734][ T10] __sys_sendmsg+0xcd/0x170 [ 9351.214734][ T10] do_syscall_64+0xc6/0x1e0 [ 9351.214734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9351.214734][ T10] [ 9351.216724][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9351.216724][ T10] netdev_get_by_index+0x5e/0x80 [ 9351.216724][ T10] fib6_nh_init+0x3d8/0x1580 [ 9351.216724][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9351.216724][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9351.216724][ T10] ipv6_add_addr+0x411/0x2000 [ 9351.216724][ T10] inet6_addr_add+0x30e/0xa40 [ 9351.216724][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9351.216724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9351.216724][ T10] netlink_rcv_skb+0x130/0x360 [ 9351.216724][ T10] netlink_unicast+0x449/0x710 [ 9351.216724][ T10] netlink_sendmsg+0x723/0xbe0 [ 9351.216724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9351.216724][ T10] ___sys_sendmsg+0xee/0x170 [ 9351.216724][ T10] __sys_sendmsg+0xcd/0x170 [ 9351.216724][ T10] do_syscall_64+0xc6/0x1e0 [ 9351.216724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9351.216724][ T10] [ 9351.218717][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9351.218717][ T10] netdev_get_by_index+0x5e/0x80 [ 9351.218717][ T10] fib6_nh_init+0x3d8/0x1580 [ 9351.218717][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9351.218717][ T10] ip6_route_add+0x1c/0x140 [ 9351.218717][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9351.218717][ T10] addrconf_add_dev+0xe2/0x170 [ 9351.218717][ T10] inet6_addr_add+0x12f/0xa40 [ 9351.218717][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9351.218717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9351.218717][ T10] netlink_rcv_skb+0x130/0x360 [ 9351.218717][ T10] netlink_unicast+0x449/0x710 [ 9351.218717][ T10] netlink_sendmsg+0x723/0xbe0 [ 9351.218717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9351.218717][ T10] ___sys_sendmsg+0xee/0x170 [ 9351.218717][ T10] __sys_sendmsg+0xcd/0x170 [ 9351.218717][ T10] do_syscall_64+0xc6/0x1e0 [ 9351.218717][ T10] [ 9351.220674][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9351.220674][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9351.220674][ T10] ipv6_find_idev+0x102/0x170 [ 9351.220674][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9351.220674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9351.220674][ T10] netlink_rcv_skb+0x130/0x360 [ 9351.220674][ T10] netlink_unicast+0x449/0x710 [ 9351.220674][ T10] netlink_sendmsg+0x723/0xbe0 [ 9351.220674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9351.220674][ T10] ___sys_sendmsg+0xee/0x170 [ 9351.220674][ T10] __sys_sendmsg+0xcd/0x170 [ 9351.220674][ T10] do_syscall_64+0xc6/0x1e0 [ 9351.220674][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9351.220674][ T10] [ 9351.222206][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9351.222206][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9351.222206][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9351.222206][ T10] ipv6_find_idev+0x102/0x170 [ 9351.222206][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9351.222206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9351.222206][ T10] netlink_rcv_skb+0x130/0x360 [ 9351.222206][ T10] netlink_unicast+0x449/0x710 [ 9351.222206][ T10] netlink_sendmsg+0x723/0xbe0 [ 9351.222206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9351.222206][ T10] ___sys_sendmsg+0xee/0x170 [ 9351.222206][ T10] __sys_sendmsg+0xcd/0x170 [ 9351.222206][ T10] do_syscall_64+0xc6/0x1e0 [ 9351.222206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9351.222206][ T10] [ 9351.223883][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9351.224129][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9351.224129][ T10] netdev_get_by_index+0x5e/0x80 [ 9351.224129][ T10] fib6_nh_init+0x3d8/0x1580 [ 9351.224129][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9351.224129][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9351.224129][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9351.224129][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9351.224129][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9351.224129][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9351.224129][ T10] addrconf_dad_begin+0x310/0x670 [ 9351.224129][ T10] addrconf_dad_work+0x10b/0xab0 [ 9351.224129][ T10] process_one_work+0x84d/0x18a0 [ 9351.224129][ T10] worker_thread+0x587/0xd30 [ 9351.224129][ T10] kthread+0x28a/0x350 [ 9351.224129][ T10] ret_from_fork+0x31/0x70 [ 9351.224129][ T10] ret_from_fork_asm+0x1a/0x30 [ 9351.224129][ T10] [ 9351.226048][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9351.226048][ T10] netdev_get_by_index+0x5e/0x80 [ 9351.226048][ T10] fib6_nh_init+0x3d8/0x1580 [ 9351.226048][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9351.226048][ T10] ip6_route_add+0x1c/0x140 [ 9351.226048][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9351.226048][ T10] inet6_addr_add+0x4f8/0xa40 [ 9351.226048][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9351.226048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9351.226048][ T10] netlink_rcv_skb+0x130/0x360 [ 9351.226048][ T10] netlink_unicast+0x449/0x710 [ 9351.226048][ T10] netlink_sendmsg+0x723/0xbe0 [ 9351.226048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9351.226048][ T10] ___sys_sendmsg+0xee/0x170 [ 9351.226048][ T10] __sys_sendmsg+0xcd/0x170 [ 9351.226048][ T10] do_syscall_64+0xc6/0x1e0 [ 9351.226048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9351.226048][ T10] [ 9351.228223][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9351.228223][ T10] netdev_get_by_index+0x5e/0x80 [ 9351.228223][ T10] fib6_nh_init+0x3d8/0x1580 [ 9351.228223][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9351.228223][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9351.228223][ T10] ipv6_add_addr+0x411/0x2000 [ 9351.228223][ T10] inet6_addr_add+0x30e/0xa40 [ 9351.228223][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9351.228223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9351.228223][ T10] netlink_rcv_skb+0x130/0x360 [ 9351.228223][ T10] netlink_unicast+0x449/0x710 [ 9351.228223][ T10] netlink_sendmsg+0x723/0xbe0 [ 9351.228223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9351.228223][ T10] ___sys_sendmsg+0xee/0x170 [ 9351.228223][ T10] __sys_sendmsg+0xcd/0x170 [ 9351.228223][ T10] do_syscall_64+0xc6/0x1e0 [ 9351.228223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9351.228223][ T10] [ 9351.230525][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9351.230525][ T10] netdev_get_by_index+0x5e/0x80 [ 9351.230525][ T10] fib6_nh_init+0x3d8/0x1580 [ 9351.230525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9351.230525][ T10] ip6_route_add+0x1c/0x140 [ 9351.230525][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9351.230525][ T10] addrconf_add_dev+0xe2/0x170 [ 9351.230525][ T10] inet6_addr_add+0x12f/0xa40 [ 9351.230525][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9351.230525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9351.230525][ T10] netlink_rcv_skb+0x130/0x360 [ 9351.230525][ T10] netlink_unicast+0x449/0x710 [ 9351.230525][ T10] netlink_sendmsg+0x723/0xbe0 [ 9351.230525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9351.230525][ T10] ___sys_sendmsg+0xee/0x170 [ 9351.230525][ T10] __sys_sendmsg+0xcd/0x170 [ 9351.230525][ T10] do_syscall_64+0xc6/0x1e0 [ 9351.230525][ T10] [ 9351.232669][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9351.232669][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9351.232669][ T10] ipv6_find_idev+0x102/0x170 [ 9351.232669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9351.232669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9351.232669][ T10] netlink_rcv_skb+0x130/0x360 [ 9351.232669][ T10] netlink_unicast+0x449/0x710 [ 9351.232669][ T10] netlink_sendmsg+0x723/0xbe0 [ 9351.232669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9351.232669][ T10] ___sys_sendmsg+0xee/0x170 [ 9351.232669][ T10] __sys_sendmsg+0xcd/0x170 [ 9351.232669][ T10] do_syscall_64+0xc6/0x1e0 [ 9351.232669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9351.232669][ T10] [ 9351.234382][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9351.234382][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9351.234382][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9351.234382][ T10] ipv6_find_idev+0x102/0x170 [ 9351.234382][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9351.234382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9351.234382][ T10] netlink_rcv_skb+0x130/0x360 [ 9351.234382][ T10] netlink_unicast+0x449/0x710 [ 9351.234382][ T10] netlink_sendmsg+0x723/0xbe0 [ 9351.234382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9351.234382][ T10] ___sys_sendmsg+0xee/0x170 [ 9351.234382][ T10] __sys_sendmsg+0xcd/0x170 [ 9351.234382][ T10] do_syscall_64+0xc6/0x1e0 [ 9351.234382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9351.234382][ T10] [ 9351.236249][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9351.236487][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9351.236487][ T10] netdev_get_by_index+0x5e/0x80 [ 9351.236487][ T10] fib6_nh_init+0x3d8/0x1580 [ 9351.236487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9351.236487][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9351.236487][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9351.236487][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9351.236487][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9351.236487][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9351.236487][ T10] addrconf_dad_begin+0x310/0x670 [ 9351.236487][ T10] addrconf_dad_work+0x10b/0xab0 [ 9351.236487][ T10] process_one_work+0x84d/0x18a0 [ 9351.236487][ T10] worker_thread+0x587/0xd30 [ 9351.236487][ T10] kthread+0x28a/0x350 [ 9351.236487][ T10] ret_from_fork+0x31/0x70 [ 9351.236487][ T10] ret_from_fork_asm+0x1a/0x30 [ 9351.236487][ T10] [ 9351.238695][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9351.238695][ T10] netdev_get_by_index+0x5e/0x80 [ 9351.238695][ T10] fib6_nh_init+0x3d8/0x1580 [ 9351.238695][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9351.238695][ T10] ip6_route_add+0x1c/0x140 [ 9351.238695][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9351.238695][ T10] inet6_addr_add+0x4f8/0xa40 [ 9351.238695][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9351.238695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9351.238695][ T10] netlink_rcv_skb+0x130/0x360 [ 9351.238695][ T10] netlink_unicast+0x449/0x710 [ 9351.238695][ T10] netlink_sendmsg+0x723/0xbe0 [ 9351.238695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9351.238695][ T10] ___sys_sendmsg+0xee/0x170 [ 9351.238695][ T10] __sys_sendmsg+0xcd/0x170 [ 9351.238695][ T10] do_syscall_64+0xc6/0x1e0 [ 9351.238695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9351.238695][ T10] [ 9351.240863][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9351.240863][ T10] netdev_get_by_index+0x5e/0x80 [ 9351.240863][ T10] fib6_nh_init+0x3d8/0x1580 [ 9351.240863][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9351.240863][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9351.240863][ T10] ipv6_add_addr+0x411/0x2000 [ 9351.240863][ T10] inet6_addr_add+0x30e/0xa40 [ 9351.240863][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9351.240863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9351.240863][ T10] netlink_rcv_skb+0x130/0x360 [ 9351.240863][ T10] netlink_unicast+0x449/0x710 [ 9351.240863][ T10] netlink_sendmsg+0x723/0xbe0 [ 9351.240863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9351.240863][ T10] ___sys_sendmsg+0xee/0x170 [ 9351.240863][ T10] __sys_sendmsg+0xcd/0x170 [ 9351.240863][ T10] do_syscall_64+0xc6/0x1e0 [ 9351.240863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9351.240863][ T10] [ 9351.243095][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9351.243095][ T10] netdev_get_by_index+0x5e/0x80 [ 9351.243095][ T10] fib6_nh_init+0x3d8/0x1580 [ 9351.243095][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9351.243095][ T10] ip6_route_add+0x1c/0x140 [ 9351.243095][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9351.243095][ T10] addrconf_add_dev+0xe2/0x170 [ 9351.243095][ T10] inet6_addr_add+0x12f/0xa40 [ 9351.243095][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9351.243095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9351.243095][ T10] netlink_rcv_skb+0x130/0x360 [ 9351.243095][ T10] netlink_unicast+0x449/0x710 [ 9351.243095][ T10] netlink_sendmsg+0x723/0xbe0 [ 9351.243095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9351.243095][ T10] ___sys_sendmsg+0xee/0x170 [ 9351.243095][ T10] __sys_sendmsg+0xcd/0x170 [ 9351.243095][ T10] do_syscall_64+0xc6/0x1e0 [ 9351.243095][ T10] [ 9351.245305][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9351.245305][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9351.245305][ T10] ipv6_find_idev+0x102/0x170 [ 9351.245305][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9351.245305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9351.245305][ T10] netlink_rcv_skb+0x130/0x360 [ 9351.245305][ T10] netlink_unicast+0x449/0x710 [ 9351.245305][ T10] netlink_sendmsg+0x723/0xbe0 [ 9351.245305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9351.245305][ T10] ___sys_sendmsg+0xee/0x170 [ 9351.245305][ T10] __sys_sendmsg+0xcd/0x170 [ 9351.245305][ T10] do_syscall_64+0xc6/0x1e0 [ 9351.245305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9351.245305][ T10] [ 9351.247028][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9351.247028][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9351.247028][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9351.247028][ T10] ipv6_find_idev+0x102/0x170 [ 9351.247028][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9351.247028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9351.247028][ T10] netlink_rcv_skb+0x130/0x360 [ 9351.247028][ T10] netlink_unicast+0x449/0x710 [ 9351.247028][ T10] netlink_sendmsg+0x723/0xbe0 [ 9351.247028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9351.247028][ T10] ___sys_sendmsg+0xee/0x170 [ 9351.247028][ T10] __sys_sendmsg+0xcd/0x170 [ 9351.247028][ T10] do_syscall_64+0xc6/0x1e0 [ 9351.247028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9351.247028][ T10] [ 9356.577070][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9356.577572][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9356.577572][ T1167] dst_init+0x84/0x4a0 [ 9356.577572][ T1167] dst_alloc+0x97/0x150 [ 9356.577572][ T1167] ip6_dst_alloc+0x23/0x90 [ 9356.577572][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9356.577572][ T1167] ip6_pol_route+0x56f/0x840 [ 9356.577572][ T1167] fib6_rule_lookup+0x334/0x630 [ 9356.577572][ T1167] ip6_route_output_flags+0x259/0x480 [ 9356.577572][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9356.577572][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9356.577572][ T1167] netlink_rcv_skb+0x130/0x360 [ 9356.577572][ T1167] netlink_unicast+0x449/0x710 [ 9356.577572][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9356.577572][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9356.577572][ T1167] ___sys_sendmsg+0xee/0x170 [ 9356.577572][ T1167] __sys_sendmsg+0xcd/0x170 [ 9356.577572][ T1167] do_syscall_64+0xc6/0x1e0 [ 9356.577572][ T1167] [ 9356.579812][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9356.579812][ T1167] netdev_get_by_index+0x5e/0x80 [ 9356.579812][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9356.579812][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9356.579812][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9356.579812][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9356.579812][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9356.579812][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9356.579812][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9356.579812][ T1167] addrconf_dad_begin+0x310/0x670 [ 9356.579812][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9356.579812][ T1167] process_one_work+0x84d/0x18a0 [ 9356.579812][ T1167] worker_thread+0x587/0xd30 [ 9356.579812][ T1167] kthread+0x28a/0x350 [ 9356.579812][ T1167] ret_from_fork+0x31/0x70 [ 9356.579812][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9356.579812][ T1167] [ 9356.581972][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9356.581972][ T1167] netdev_get_by_index+0x5e/0x80 [ 9356.581972][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9356.581972][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9356.581972][ T1167] ip6_route_add+0x1c/0x140 [ 9356.581972][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9356.581972][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9356.581972][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9356.581972][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9356.581972][ T1167] netlink_rcv_skb+0x130/0x360 [ 9356.581972][ T1167] netlink_unicast+0x449/0x710 [ 9356.581972][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9356.581972][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9356.581972][ T1167] ___sys_sendmsg+0xee/0x170 [ 9356.581972][ T1167] __sys_sendmsg+0xcd/0x170 [ 9356.581972][ T1167] do_syscall_64+0xc6/0x1e0 [ 9356.581972][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9356.581972][ T1167] [ 9356.584282][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9356.584282][ T1167] netdev_get_by_index+0x5e/0x80 [ 9356.584282][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9356.584282][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9356.584282][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9356.584282][ T1167] ipv6_add_addr+0x411/0x2000 [ 9356.584282][ T1167] inet6_addr_add+0x30e/0xa40 [ 9356.584282][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9356.584282][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9356.584282][ T1167] netlink_rcv_skb+0x130/0x360 [ 9356.584282][ T1167] netlink_unicast+0x449/0x710 [ 9356.584282][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9356.584282][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9356.584282][ T1167] ___sys_sendmsg+0xee/0x170 [ 9356.584282][ T1167] __sys_sendmsg+0xcd/0x170 [ 9356.584282][ T1167] do_syscall_64+0xc6/0x1e0 [ 9356.584282][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9356.584282][ T1167] [ 9356.586560][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9356.586560][ T1167] netdev_get_by_index+0x5e/0x80 [ 9356.586560][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9356.586560][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9356.586560][ T1167] ip6_route_add+0x1c/0x140 [ 9356.586560][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9356.586560][ T1167] addrconf_add_dev+0xe2/0x170 [ 9356.586560][ T1167] inet6_addr_add+0x12f/0xa40 [ 9356.586560][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9356.586560][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9356.586560][ T1167] netlink_rcv_skb+0x130/0x360 [ 9356.586560][ T1167] netlink_unicast+0x449/0x710 [ 9356.586560][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9356.586560][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9356.586560][ T1167] ___sys_sendmsg+0xee/0x170 [ 9356.586560][ T1167] __sys_sendmsg+0xcd/0x170 [ 9356.586560][ T1167] do_syscall_64+0xc6/0x1e0 [ 9356.586560][ T1167] [ 9356.588791][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9356.588791][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9356.588791][ T1167] ipv6_find_idev+0x102/0x170 [ 9356.588791][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9356.588791][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9356.588791][ T1167] netlink_rcv_skb+0x130/0x360 [ 9356.588791][ T1167] netlink_unicast+0x449/0x710 [ 9356.588791][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9356.588791][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9356.588791][ T1167] ___sys_sendmsg+0xee/0x170 [ 9356.588791][ T1167] __sys_sendmsg+0xcd/0x170 [ 9356.588791][ T1167] do_syscall_64+0xc6/0x1e0 [ 9356.588791][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9356.588791][ T1167] [ 9356.590532][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9356.590532][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9356.590532][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9356.590532][ T1167] ipv6_find_idev+0x102/0x170 [ 9356.590532][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9356.590532][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9356.590532][ T1167] netlink_rcv_skb+0x130/0x360 [ 9356.590532][ T1167] netlink_unicast+0x449/0x710 [ 9356.590532][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9356.590532][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9356.590532][ T1167] ___sys_sendmsg+0xee/0x170 [ 9356.590532][ T1167] __sys_sendmsg+0xcd/0x170 [ 9356.590532][ T1167] do_syscall_64+0xc6/0x1e0 [ 9356.590532][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9356.590532][ T1167] [ 9361.305073][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9361.305514][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9361.305514][ T10] netdev_get_by_index+0x5e/0x80 [ 9361.305514][ T10] fib6_nh_init+0x3d8/0x1580 [ 9361.305514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9361.305514][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9361.305514][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9361.305514][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9361.305514][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9361.305514][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9361.305514][ T10] addrconf_dad_begin+0x310/0x670 [ 9361.305514][ T10] addrconf_dad_work+0x10b/0xab0 [ 9361.305514][ T10] process_one_work+0x84d/0x18a0 [ 9361.305514][ T10] worker_thread+0x587/0xd30 [ 9361.305514][ T10] kthread+0x28a/0x350 [ 9361.305514][ T10] ret_from_fork+0x31/0x70 [ 9361.305514][ T10] ret_from_fork_asm+0x1a/0x30 [ 9361.305514][ T10] [ 9361.307451][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9361.307451][ T10] netdev_get_by_index+0x5e/0x80 [ 9361.307451][ T10] fib6_nh_init+0x3d8/0x1580 [ 9361.307451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9361.307451][ T10] ip6_route_add+0x1c/0x140 [ 9361.307451][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9361.307451][ T10] inet6_addr_add+0x4f8/0xa40 [ 9361.307451][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9361.307451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9361.307451][ T10] netlink_rcv_skb+0x130/0x360 [ 9361.307451][ T10] netlink_unicast+0x449/0x710 [ 9361.307451][ T10] netlink_sendmsg+0x723/0xbe0 [ 9361.307451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9361.307451][ T10] ___sys_sendmsg+0xee/0x170 [ 9361.307451][ T10] __sys_sendmsg+0xcd/0x170 [ 9361.307451][ T10] do_syscall_64+0xc6/0x1e0 [ 9361.307451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9361.307451][ T10] [ 9361.309445][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9361.309445][ T10] netdev_get_by_index+0x5e/0x80 [ 9361.309445][ T10] fib6_nh_init+0x3d8/0x1580 [ 9361.309445][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9361.309445][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9361.309445][ T10] ipv6_add_addr+0x411/0x2000 [ 9361.309445][ T10] inet6_addr_add+0x30e/0xa40 [ 9361.309445][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9361.309445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9361.309445][ T10] netlink_rcv_skb+0x130/0x360 [ 9361.309445][ T10] netlink_unicast+0x449/0x710 [ 9361.309445][ T10] netlink_sendmsg+0x723/0xbe0 [ 9361.309445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9361.309445][ T10] ___sys_sendmsg+0xee/0x170 [ 9361.309445][ T10] __sys_sendmsg+0xcd/0x170 [ 9361.309445][ T10] do_syscall_64+0xc6/0x1e0 [ 9361.309445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9361.309445][ T10] [ 9361.311443][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9361.311443][ T10] netdev_get_by_index+0x5e/0x80 [ 9361.311443][ T10] fib6_nh_init+0x3d8/0x1580 [ 9361.311443][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9361.311443][ T10] ip6_route_add+0x1c/0x140 [ 9361.311443][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9361.311443][ T10] addrconf_add_dev+0xe2/0x170 [ 9361.311443][ T10] inet6_addr_add+0x12f/0xa40 [ 9361.311443][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9361.311443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9361.311443][ T10] netlink_rcv_skb+0x130/0x360 [ 9361.311443][ T10] netlink_unicast+0x449/0x710 [ 9361.311443][ T10] netlink_sendmsg+0x723/0xbe0 [ 9361.311443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9361.311443][ T10] ___sys_sendmsg+0xee/0x170 [ 9361.311443][ T10] __sys_sendmsg+0xcd/0x170 [ 9361.311443][ T10] do_syscall_64+0xc6/0x1e0 [ 9361.311443][ T10] [ 9361.313401][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9361.313401][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9361.313401][ T10] ipv6_find_idev+0x102/0x170 [ 9361.313401][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9361.313401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9361.313401][ T10] netlink_rcv_skb+0x130/0x360 [ 9361.313401][ T10] netlink_unicast+0x449/0x710 [ 9361.313401][ T10] netlink_sendmsg+0x723/0xbe0 [ 9361.313401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9361.313401][ T10] ___sys_sendmsg+0xee/0x170 [ 9361.313401][ T10] __sys_sendmsg+0xcd/0x170 [ 9361.313401][ T10] do_syscall_64+0xc6/0x1e0 [ 9361.313401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9361.313401][ T10] [ 9361.314939][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9361.314939][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9361.314939][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9361.314939][ T10] ipv6_find_idev+0x102/0x170 [ 9361.314939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9361.314939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9361.314939][ T10] netlink_rcv_skb+0x130/0x360 [ 9361.314939][ T10] netlink_unicast+0x449/0x710 [ 9361.314939][ T10] netlink_sendmsg+0x723/0xbe0 [ 9361.314939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9361.314939][ T10] ___sys_sendmsg+0xee/0x170 [ 9361.314939][ T10] __sys_sendmsg+0xcd/0x170 [ 9361.314939][ T10] do_syscall_64+0xc6/0x1e0 [ 9361.314939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9361.314939][ T10] [ 9361.316618][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9361.316855][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9361.316855][ T10] netdev_get_by_index+0x5e/0x80 [ 9361.316855][ T10] fib6_nh_init+0x3d8/0x1580 [ 9361.316855][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9361.316855][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9361.316855][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9361.316855][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9361.316855][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9361.316855][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9361.316855][ T10] addrconf_dad_begin+0x310/0x670 [ 9361.316855][ T10] addrconf_dad_work+0x10b/0xab0 [ 9361.316855][ T10] process_one_work+0x84d/0x18a0 [ 9361.316855][ T10] worker_thread+0x587/0xd30 [ 9361.316855][ T10] kthread+0x28a/0x350 [ 9361.316855][ T10] ret_from_fork+0x31/0x70 [ 9361.316855][ T10] ret_from_fork_asm+0x1a/0x30 [ 9361.316855][ T10] [ 9361.318775][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9361.318775][ T10] netdev_get_by_index+0x5e/0x80 [ 9361.318775][ T10] fib6_nh_init+0x3d8/0x1580 [ 9361.318775][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9361.318775][ T10] ip6_route_add+0x1c/0x140 [ 9361.318775][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9361.318775][ T10] inet6_addr_add+0x4f8/0xa40 [ 9361.318775][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9361.318775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9361.318775][ T10] netlink_rcv_skb+0x130/0x360 [ 9361.318775][ T10] netlink_unicast+0x449/0x710 [ 9361.318775][ T10] netlink_sendmsg+0x723/0xbe0 [ 9361.318775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9361.318775][ T10] ___sys_sendmsg+0xee/0x170 [ 9361.318775][ T10] __sys_sendmsg+0xcd/0x170 [ 9361.318775][ T10] do_syscall_64+0xc6/0x1e0 [ 9361.318775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9361.318775][ T10] [ 9361.320764][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9361.320764][ T10] netdev_get_by_index+0x5e/0x80 [ 9361.320764][ T10] fib6_nh_init+0x3d8/0x1580 [ 9361.320764][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9361.320764][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9361.320764][ T10] ipv6_add_addr+0x411/0x2000 [ 9361.320764][ T10] inet6_addr_add+0x30e/0xa40 [ 9361.320764][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9361.320764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9361.320764][ T10] netlink_rcv_skb+0x130/0x360 [ 9361.320764][ T10] netlink_unicast+0x449/0x710 [ 9361.320764][ T10] netlink_sendmsg+0x723/0xbe0 [ 9361.320764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9361.320764][ T10] ___sys_sendmsg+0xee/0x170 [ 9361.320764][ T10] __sys_sendmsg+0xcd/0x170 [ 9361.320764][ T10] do_syscall_64+0xc6/0x1e0 [ 9361.320764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9361.320764][ T10] [ 9361.322749][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9361.322749][ T10] netdev_get_by_index+0x5e/0x80 [ 9361.322749][ T10] fib6_nh_init+0x3d8/0x1580 [ 9361.322749][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9361.322749][ T10] ip6_route_add+0x1c/0x140 [ 9361.322749][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9361.322749][ T10] addrconf_add_dev+0xe2/0x170 [ 9361.322749][ T10] inet6_addr_add+0x12f/0xa40 [ 9361.322749][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9361.322749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9361.322749][ T10] netlink_rcv_skb+0x130/0x360 [ 9361.322749][ T10] netlink_unicast+0x449/0x710 [ 9361.322749][ T10] netlink_sendmsg+0x723/0xbe0 [ 9361.322749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9361.322749][ T10] ___sys_sendmsg+0xee/0x170 [ 9361.322749][ T10] __sys_sendmsg+0xcd/0x170 [ 9361.322749][ T10] do_syscall_64+0xc6/0x1e0 [ 9361.322749][ T10] [ 9361.324709][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9361.324709][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9361.324709][ T10] ipv6_find_idev+0x102/0x170 [ 9361.324709][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9361.324709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9361.324709][ T10] netlink_rcv_skb+0x130/0x360 [ 9361.324709][ T10] netlink_unicast+0x449/0x710 [ 9361.324709][ T10] netlink_sendmsg+0x723/0xbe0 [ 9361.324709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9361.324709][ T10] ___sys_sendmsg+0xee/0x170 [ 9361.324709][ T10] __sys_sendmsg+0xcd/0x170 [ 9361.324709][ T10] do_syscall_64+0xc6/0x1e0 [ 9361.324709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9361.324709][ T10] [ 9361.326235][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9361.326235][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9361.326235][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9361.326235][ T10] ipv6_find_idev+0x102/0x170 [ 9361.326235][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9361.326235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9361.326235][ T10] netlink_rcv_skb+0x130/0x360 [ 9361.326235][ T10] netlink_unicast+0x449/0x710 [ 9361.326235][ T10] netlink_sendmsg+0x723/0xbe0 [ 9361.326235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9361.326235][ T10] ___sys_sendmsg+0xee/0x170 [ 9361.326235][ T10] __sys_sendmsg+0xcd/0x170 [ 9361.326235][ T10] do_syscall_64+0xc6/0x1e0 [ 9361.326235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9361.326235][ T10] [ 9361.327913][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9361.328162][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9361.328162][ T10] netdev_get_by_index+0x5e/0x80 [ 9361.328162][ T10] fib6_nh_init+0x3d8/0x1580 [ 9361.328162][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9361.328162][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9361.328162][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9361.328162][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9361.328162][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9361.328162][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9361.328162][ T10] addrconf_dad_begin+0x310/0x670 [ 9361.328162][ T10] addrconf_dad_work+0x10b/0xab0 [ 9361.328162][ T10] process_one_work+0x84d/0x18a0 [ 9361.328162][ T10] worker_thread+0x587/0xd30 [ 9361.328162][ T10] kthread+0x28a/0x350 [ 9361.328162][ T10] ret_from_fork+0x31/0x70 [ 9361.328162][ T10] ret_from_fork_asm+0x1a/0x30 [ 9361.328162][ T10] [ 9361.330071][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9361.330071][ T10] netdev_get_by_index+0x5e/0x80 [ 9361.330071][ T10] fib6_nh_init+0x3d8/0x1580 [ 9361.330071][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9361.330071][ T10] ip6_route_add+0x1c/0x140 [ 9361.330071][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9361.330071][ T10] inet6_addr_add+0x4f8/0xa40 [ 9361.330071][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9361.330071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9361.330071][ T10] netlink_rcv_skb+0x130/0x360 [ 9361.330071][ T10] netlink_unicast+0x449/0x710 [ 9361.330071][ T10] netlink_sendmsg+0x723/0xbe0 [ 9361.330071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9361.330071][ T10] ___sys_sendmsg+0xee/0x170 [ 9361.330071][ T10] __sys_sendmsg+0xcd/0x170 [ 9361.330071][ T10] do_syscall_64+0xc6/0x1e0 [ 9361.330071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9361.330071][ T10] [ 9361.332247][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9361.332247][ T10] netdev_get_by_index+0x5e/0x80 [ 9361.332247][ T10] fib6_nh_init+0x3d8/0x1580 [ 9361.332247][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9361.332247][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9361.332247][ T10] ipv6_add_addr+0x411/0x2000 [ 9361.332247][ T10] inet6_addr_add+0x30e/0xa40 [ 9361.332247][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9361.332247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9361.332247][ T10] netlink_rcv_skb+0x130/0x360 [ 9361.332247][ T10] netlink_unicast+0x449/0x710 [ 9361.332247][ T10] netlink_sendmsg+0x723/0xbe0 [ 9361.332247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9361.332247][ T10] ___sys_sendmsg+0xee/0x170 [ 9361.332247][ T10] __sys_sendmsg+0xcd/0x170 [ 9361.332247][ T10] do_syscall_64+0xc6/0x1e0 [ 9361.332247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9361.332247][ T10] [ 9361.334568][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9361.334568][ T10] netdev_get_by_index+0x5e/0x80 [ 9361.334568][ T10] fib6_nh_init+0x3d8/0x1580 [ 9361.334568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9361.334568][ T10] ip6_route_add+0x1c/0x140 [ 9361.334568][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9361.334568][ T10] addrconf_add_dev+0xe2/0x170 [ 9361.334568][ T10] inet6_addr_add+0x12f/0xa40 [ 9361.334568][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9361.334568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9361.334568][ T10] netlink_rcv_skb+0x130/0x360 [ 9361.334568][ T10] netlink_unicast+0x449/0x710 [ 9361.334568][ T10] netlink_sendmsg+0x723/0xbe0 [ 9361.334568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9361.334568][ T10] ___sys_sendmsg+0xee/0x170 [ 9361.334568][ T10] __sys_sendmsg+0xcd/0x170 [ 9361.334568][ T10] do_syscall_64+0xc6/0x1e0 [ 9361.334568][ T10] [ 9361.336703][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9361.336703][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9361.336703][ T10] ipv6_find_idev+0x102/0x170 [ 9361.336703][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9361.336703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9361.336703][ T10] netlink_rcv_skb+0x130/0x360 [ 9361.336703][ T10] netlink_unicast+0x449/0x710 [ 9361.336703][ T10] netlink_sendmsg+0x723/0xbe0 [ 9361.336703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9361.336703][ T10] ___sys_sendmsg+0xee/0x170 [ 9361.336703][ T10] __sys_sendmsg+0xcd/0x170 [ 9361.336703][ T10] do_syscall_64+0xc6/0x1e0 [ 9361.336703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9361.336703][ T10] [ 9361.338413][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9361.338413][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9361.338413][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9361.338413][ T10] ipv6_find_idev+0x102/0x170 [ 9361.338413][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9361.338413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9361.338413][ T10] netlink_rcv_skb+0x130/0x360 [ 9361.338413][ T10] netlink_unicast+0x449/0x710 [ 9361.338413][ T10] netlink_sendmsg+0x723/0xbe0 [ 9361.338413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9361.338413][ T10] ___sys_sendmsg+0xee/0x170 [ 9361.338413][ T10] __sys_sendmsg+0xcd/0x170 [ 9361.338413][ T10] do_syscall_64+0xc6/0x1e0 [ 9361.338413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9361.338413][ T10] [ 9361.340328][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9361.340566][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9361.340566][ T10] netdev_get_by_index+0x5e/0x80 [ 9361.340566][ T10] fib6_nh_init+0x3d8/0x1580 [ 9361.340566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9361.340566][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9361.340566][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9361.340566][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9361.340566][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9361.340566][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9361.340566][ T10] addrconf_dad_begin+0x310/0x670 [ 9361.340566][ T10] addrconf_dad_work+0x10b/0xab0 [ 9361.340566][ T10] process_one_work+0x84d/0x18a0 [ 9361.340566][ T10] worker_thread+0x587/0xd30 [ 9361.340566][ T10] kthread+0x28a/0x350 [ 9361.340566][ T10] ret_from_fork+0x31/0x70 [ 9361.340566][ T10] ret_from_fork_asm+0x1a/0x30 [ 9361.340566][ T10] [ 9361.342776][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9361.342776][ T10] netdev_get_by_index+0x5e/0x80 [ 9361.342776][ T10] fib6_nh_init+0x3d8/0x1580 [ 9361.342776][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9361.342776][ T10] ip6_route_add+0x1c/0x140 [ 9361.342776][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9361.342776][ T10] inet6_addr_add+0x4f8/0xa40 [ 9361.342776][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9361.342776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9361.342776][ T10] netlink_rcv_skb+0x130/0x360 [ 9361.342776][ T10] netlink_unicast+0x449/0x710 [ 9361.342776][ T10] netlink_sendmsg+0x723/0xbe0 [ 9361.342776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9361.342776][ T10] ___sys_sendmsg+0xee/0x170 [ 9361.342776][ T10] __sys_sendmsg+0xcd/0x170 [ 9361.342776][ T10] do_syscall_64+0xc6/0x1e0 [ 9361.342776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9361.342776][ T10] [ 9361.344953][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9361.344953][ T10] netdev_get_by_index+0x5e/0x80 [ 9361.344953][ T10] fib6_nh_init+0x3d8/0x1580 [ 9361.344953][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9361.344953][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9361.344953][ T10] ipv6_add_addr+0x411/0x2000 [ 9361.344953][ T10] inet6_addr_add+0x30e/0xa40 [ 9361.344953][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9361.344953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9361.344953][ T10] netlink_rcv_skb+0x130/0x360 [ 9361.344953][ T10] netlink_unicast+0x449/0x710 [ 9361.344953][ T10] netlink_sendmsg+0x723/0xbe0 [ 9361.344953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9361.344953][ T10] ___sys_sendmsg+0xee/0x170 [ 9361.344953][ T10] __sys_sendmsg+0xcd/0x170 [ 9361.344953][ T10] do_syscall_64+0xc6/0x1e0 [ 9361.344953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9361.344953][ T10] [ 9361.347122][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9361.347122][ T10] netdev_get_by_index+0x5e/0x80 [ 9361.347122][ T10] fib6_nh_init+0x3d8/0x1580 [ 9361.347122][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9361.347122][ T10] ip6_route_add+0x1c/0x140 [ 9361.347122][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9361.347122][ T10] addrconf_add_dev+0xe2/0x170 [ 9361.347122][ T10] inet6_addr_add+0x12f/0xa40 [ 9361.347122][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9361.347122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9361.347122][ T10] netlink_rcv_skb+0x130/0x360 [ 9361.347122][ T10] netlink_unicast+0x449/0x710 [ 9361.347122][ T10] netlink_sendmsg+0x723/0xbe0 [ 9361.347122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9361.347122][ T10] ___sys_sendmsg+0xee/0x170 [ 9361.347122][ T10] __sys_sendmsg+0xcd/0x170 [ 9361.347122][ T10] do_syscall_64+0xc6/0x1e0 [ 9361.347122][ T10] [ 9361.349318][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9361.349318][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9361.349318][ T10] ipv6_find_idev+0x102/0x170 [ 9361.349318][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9361.349318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9361.349318][ T10] netlink_rcv_skb+0x130/0x360 [ 9361.349318][ T10] netlink_unicast+0x449/0x710 [ 9361.349318][ T10] netlink_sendmsg+0x723/0xbe0 [ 9361.349318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9361.349318][ T10] ___sys_sendmsg+0xee/0x170 [ 9361.349318][ T10] __sys_sendmsg+0xcd/0x170 [ 9361.349318][ T10] do_syscall_64+0xc6/0x1e0 [ 9361.349318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9361.349318][ T10] [ 9361.351034][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9361.351034][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9361.351034][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9361.351034][ T10] ipv6_find_idev+0x102/0x170 [ 9361.351034][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9361.351034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9361.351034][ T10] netlink_rcv_skb+0x130/0x360 [ 9361.351034][ T10] netlink_unicast+0x449/0x710 [ 9361.351034][ T10] netlink_sendmsg+0x723/0xbe0 [ 9361.351034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9361.351034][ T10] ___sys_sendmsg+0xee/0x170 [ 9361.351034][ T10] __sys_sendmsg+0xcd/0x170 [ 9361.351034][ T10] do_syscall_64+0xc6/0x1e0 [ 9361.351034][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9361.351034][ T10] [ 9366.841177][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9366.841655][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9366.841655][ T1167] dst_init+0x84/0x4a0 [ 9366.841655][ T1167] dst_alloc+0x97/0x150 [ 9366.841655][ T1167] ip6_dst_alloc+0x23/0x90 [ 9366.841655][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9366.841655][ T1167] ip6_pol_route+0x56f/0x840 [ 9366.841655][ T1167] fib6_rule_lookup+0x334/0x630 [ 9366.841655][ T1167] ip6_route_output_flags+0x259/0x480 [ 9366.841655][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9366.841655][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9366.841655][ T1167] netlink_rcv_skb+0x130/0x360 [ 9366.841655][ T1167] netlink_unicast+0x449/0x710 [ 9366.841655][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9366.841655][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9366.841655][ T1167] ___sys_sendmsg+0xee/0x170 [ 9366.841655][ T1167] __sys_sendmsg+0xcd/0x170 [ 9366.841655][ T1167] do_syscall_64+0xc6/0x1e0 [ 9366.841655][ T1167] [ 9366.843860][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9366.843860][ T1167] netdev_get_by_index+0x5e/0x80 [ 9366.843860][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9366.843860][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9366.843860][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9366.843860][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9366.843860][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9366.843860][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9366.843860][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9366.843860][ T1167] addrconf_dad_begin+0x310/0x670 [ 9366.843860][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9366.843860][ T1167] process_one_work+0x84d/0x18a0 [ 9366.843860][ T1167] worker_thread+0x587/0xd30 [ 9366.843860][ T1167] kthread+0x28a/0x350 [ 9366.843860][ T1167] ret_from_fork+0x31/0x70 [ 9366.843860][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9366.843860][ T1167] [ 9366.846055][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9366.846055][ T1167] netdev_get_by_index+0x5e/0x80 [ 9366.846055][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9366.846055][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9366.846055][ T1167] ip6_route_add+0x1c/0x140 [ 9366.846055][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9366.846055][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9366.846055][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9366.846055][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9366.846055][ T1167] netlink_rcv_skb+0x130/0x360 [ 9366.846055][ T1167] netlink_unicast+0x449/0x710 [ 9366.846055][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9366.846055][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9366.846055][ T1167] ___sys_sendmsg+0xee/0x170 [ 9366.846055][ T1167] __sys_sendmsg+0xcd/0x170 [ 9366.846055][ T1167] do_syscall_64+0xc6/0x1e0 [ 9366.846055][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9366.846055][ T1167] [ 9366.848293][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9366.848293][ T1167] netdev_get_by_index+0x5e/0x80 [ 9366.848293][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9366.848293][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9366.848293][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9366.848293][ T1167] ipv6_add_addr+0x411/0x2000 [ 9366.848293][ T1167] inet6_addr_add+0x30e/0xa40 [ 9366.848293][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9366.848293][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9366.848293][ T1167] netlink_rcv_skb+0x130/0x360 [ 9366.848293][ T1167] netlink_unicast+0x449/0x710 [ 9366.848293][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9366.848293][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9366.848293][ T1167] ___sys_sendmsg+0xee/0x170 [ 9366.848293][ T1167] __sys_sendmsg+0xcd/0x170 [ 9366.848293][ T1167] do_syscall_64+0xc6/0x1e0 [ 9366.848293][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9366.848293][ T1167] [ 9366.850526][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9366.850526][ T1167] netdev_get_by_index+0x5e/0x80 [ 9366.850526][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9366.850526][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9366.850526][ T1167] ip6_route_add+0x1c/0x140 [ 9366.850526][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9366.850526][ T1167] addrconf_add_dev+0xe2/0x170 [ 9366.850526][ T1167] inet6_addr_add+0x12f/0xa40 [ 9366.850526][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9366.850526][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9366.850526][ T1167] netlink_rcv_skb+0x130/0x360 [ 9366.850526][ T1167] netlink_unicast+0x449/0x710 [ 9366.850526][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9366.850526][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9366.850526][ T1167] ___sys_sendmsg+0xee/0x170 [ 9366.850526][ T1167] __sys_sendmsg+0xcd/0x170 [ 9366.850526][ T1167] do_syscall_64+0xc6/0x1e0 [ 9366.850526][ T1167] [ 9366.852727][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9366.852727][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9366.852727][ T1167] ipv6_find_idev+0x102/0x170 [ 9366.852727][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9366.852727][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9366.852727][ T1167] netlink_rcv_skb+0x130/0x360 [ 9366.852727][ T1167] netlink_unicast+0x449/0x710 [ 9366.852727][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9366.852727][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9366.852727][ T1167] ___sys_sendmsg+0xee/0x170 [ 9366.852727][ T1167] __sys_sendmsg+0xcd/0x170 [ 9366.852727][ T1167] do_syscall_64+0xc6/0x1e0 [ 9366.852727][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9366.852727][ T1167] [ 9366.854555][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9366.854555][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9366.854555][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9366.854555][ T1167] ipv6_find_idev+0x102/0x170 [ 9366.854555][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9366.854555][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9366.854555][ T1167] netlink_rcv_skb+0x130/0x360 [ 9366.854555][ T1167] netlink_unicast+0x449/0x710 [ 9366.854555][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9366.854555][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9366.854555][ T1167] ___sys_sendmsg+0xee/0x170 [ 9366.854555][ T1167] __sys_sendmsg+0xcd/0x170 [ 9366.854555][ T1167] do_syscall_64+0xc6/0x1e0 [ 9366.854555][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9366.854555][ T1167] [ 9371.601126][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9371.601542][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9371.601542][ T10] netdev_get_by_index+0x5e/0x80 [ 9371.601542][ T10] fib6_nh_init+0x3d8/0x1580 [ 9371.601542][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9371.601542][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9371.601542][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9371.601542][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9371.601542][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9371.601542][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9371.601542][ T10] addrconf_dad_begin+0x310/0x670 [ 9371.601542][ T10] addrconf_dad_work+0x10b/0xab0 [ 9371.601542][ T10] process_one_work+0x84d/0x18a0 [ 9371.601542][ T10] worker_thread+0x587/0xd30 [ 9371.601542][ T10] kthread+0x28a/0x350 [ 9371.601542][ T10] ret_from_fork+0x31/0x70 [ 9371.601542][ T10] ret_from_fork_asm+0x1a/0x30 [ 9371.601542][ T10] [ 9371.603577][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9371.603577][ T10] netdev_get_by_index+0x5e/0x80 [ 9371.603577][ T10] fib6_nh_init+0x3d8/0x1580 [ 9371.603577][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9371.603577][ T10] ip6_route_add+0x1c/0x140 [ 9371.603577][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9371.603577][ T10] inet6_addr_add+0x4f8/0xa40 [ 9371.603577][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9371.603577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9371.603577][ T10] netlink_rcv_skb+0x130/0x360 [ 9371.603577][ T10] netlink_unicast+0x449/0x710 [ 9371.603577][ T10] netlink_sendmsg+0x723/0xbe0 [ 9371.603577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9371.603577][ T10] ___sys_sendmsg+0xee/0x170 [ 9371.603577][ T10] __sys_sendmsg+0xcd/0x170 [ 9371.603577][ T10] do_syscall_64+0xc6/0x1e0 [ 9371.603577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9371.603577][ T10] [ 9371.605594][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9371.605594][ T10] netdev_get_by_index+0x5e/0x80 [ 9371.605594][ T10] fib6_nh_init+0x3d8/0x1580 [ 9371.605594][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9371.605594][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9371.605594][ T10] ipv6_add_addr+0x411/0x2000 [ 9371.605594][ T10] inet6_addr_add+0x30e/0xa40 [ 9371.605594][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9371.605594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9371.605594][ T10] netlink_rcv_skb+0x130/0x360 [ 9371.605594][ T10] netlink_unicast+0x449/0x710 [ 9371.605594][ T10] netlink_sendmsg+0x723/0xbe0 [ 9371.605594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9371.605594][ T10] ___sys_sendmsg+0xee/0x170 [ 9371.605594][ T10] __sys_sendmsg+0xcd/0x170 [ 9371.605594][ T10] do_syscall_64+0xc6/0x1e0 [ 9371.605594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9371.605594][ T10] [ 9371.607578][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9371.607578][ T10] netdev_get_by_index+0x5e/0x80 [ 9371.607578][ T10] fib6_nh_init+0x3d8/0x1580 [ 9371.607578][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9371.607578][ T10] ip6_route_add+0x1c/0x140 [ 9371.607578][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9371.607578][ T10] addrconf_add_dev+0xe2/0x170 [ 9371.607578][ T10] inet6_addr_add+0x12f/0xa40 [ 9371.607578][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9371.607578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9371.607578][ T10] netlink_rcv_skb+0x130/0x360 [ 9371.607578][ T10] netlink_unicast+0x449/0x710 [ 9371.607578][ T10] netlink_sendmsg+0x723/0xbe0 [ 9371.607578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9371.607578][ T10] ___sys_sendmsg+0xee/0x170 [ 9371.607578][ T10] __sys_sendmsg+0xcd/0x170 [ 9371.607578][ T10] do_syscall_64+0xc6/0x1e0 [ 9371.607578][ T10] [ 9371.609537][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9371.609537][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9371.609537][ T10] ipv6_find_idev+0x102/0x170 [ 9371.609537][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9371.609537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9371.609537][ T10] netlink_rcv_skb+0x130/0x360 [ 9371.609537][ T10] netlink_unicast+0x449/0x710 [ 9371.609537][ T10] netlink_sendmsg+0x723/0xbe0 [ 9371.609537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9371.609537][ T10] ___sys_sendmsg+0xee/0x170 [ 9371.609537][ T10] __sys_sendmsg+0xcd/0x170 [ 9371.609537][ T10] do_syscall_64+0xc6/0x1e0 [ 9371.609537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9371.609537][ T10] [ 9371.611083][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9371.611083][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9371.611083][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9371.611083][ T10] ipv6_find_idev+0x102/0x170 [ 9371.611083][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9371.611083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9371.611083][ T10] netlink_rcv_skb+0x130/0x360 [ 9371.611083][ T10] netlink_unicast+0x449/0x710 [ 9371.611083][ T10] netlink_sendmsg+0x723/0xbe0 [ 9371.611083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9371.611083][ T10] ___sys_sendmsg+0xee/0x170 [ 9371.611083][ T10] __sys_sendmsg+0xcd/0x170 [ 9371.611083][ T10] do_syscall_64+0xc6/0x1e0 [ 9371.611083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9371.611083][ T10] [ 9371.612759][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9371.613002][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9371.613002][ T10] netdev_get_by_index+0x5e/0x80 [ 9371.613002][ T10] fib6_nh_init+0x3d8/0x1580 [ 9371.613002][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9371.613002][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9371.613002][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9371.613002][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9371.613002][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9371.613002][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9371.613002][ T10] addrconf_dad_begin+0x310/0x670 [ 9371.613002][ T10] addrconf_dad_work+0x10b/0xab0 [ 9371.613002][ T10] process_one_work+0x84d/0x18a0 [ 9371.613002][ T10] worker_thread+0x587/0xd30 [ 9371.613002][ T10] kthread+0x28a/0x350 [ 9371.613002][ T10] ret_from_fork+0x31/0x70 [ 9371.613002][ T10] ret_from_fork_asm+0x1a/0x30 [ 9371.613002][ T10] [ 9371.614921][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9371.614921][ T10] netdev_get_by_index+0x5e/0x80 [ 9371.614921][ T10] fib6_nh_init+0x3d8/0x1580 [ 9371.614921][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9371.614921][ T10] ip6_route_add+0x1c/0x140 [ 9371.614921][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9371.614921][ T10] inet6_addr_add+0x4f8/0xa40 [ 9371.614921][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9371.614921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9371.614921][ T10] netlink_rcv_skb+0x130/0x360 [ 9371.614921][ T10] netlink_unicast+0x449/0x710 [ 9371.614921][ T10] netlink_sendmsg+0x723/0xbe0 [ 9371.614921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9371.614921][ T10] ___sys_sendmsg+0xee/0x170 [ 9371.614921][ T10] __sys_sendmsg+0xcd/0x170 [ 9371.614921][ T10] do_syscall_64+0xc6/0x1e0 [ 9371.614921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9371.614921][ T10] [ 9371.616908][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9371.616908][ T10] netdev_get_by_index+0x5e/0x80 [ 9371.616908][ T10] fib6_nh_init+0x3d8/0x1580 [ 9371.616908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9371.616908][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9371.616908][ T10] ipv6_add_addr+0x411/0x2000 [ 9371.616908][ T10] inet6_addr_add+0x30e/0xa40 [ 9371.616908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9371.616908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9371.616908][ T10] netlink_rcv_skb+0x130/0x360 [ 9371.616908][ T10] netlink_unicast+0x449/0x710 [ 9371.616908][ T10] netlink_sendmsg+0x723/0xbe0 [ 9371.616908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9371.616908][ T10] ___sys_sendmsg+0xee/0x170 [ 9371.616908][ T10] __sys_sendmsg+0xcd/0x170 [ 9371.616908][ T10] do_syscall_64+0xc6/0x1e0 [ 9371.616908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9371.616908][ T10] [ 9371.618897][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9371.618897][ T10] netdev_get_by_index+0x5e/0x80 [ 9371.618897][ T10] fib6_nh_init+0x3d8/0x1580 [ 9371.618897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9371.618897][ T10] ip6_route_add+0x1c/0x140 [ 9371.618897][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9371.618897][ T10] addrconf_add_dev+0xe2/0x170 [ 9371.618897][ T10] inet6_addr_add+0x12f/0xa40 [ 9371.618897][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9371.618897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9371.618897][ T10] netlink_rcv_skb+0x130/0x360 [ 9371.618897][ T10] netlink_unicast+0x449/0x710 [ 9371.618897][ T10] netlink_sendmsg+0x723/0xbe0 [ 9371.618897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9371.618897][ T10] ___sys_sendmsg+0xee/0x170 [ 9371.618897][ T10] __sys_sendmsg+0xcd/0x170 [ 9371.618897][ T10] do_syscall_64+0xc6/0x1e0 [ 9371.618897][ T10] [ 9371.620846][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9371.620846][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9371.620846][ T10] ipv6_find_idev+0x102/0x170 [ 9371.620846][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9371.620846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9371.620846][ T10] netlink_rcv_skb+0x130/0x360 [ 9371.620846][ T10] netlink_unicast+0x449/0x710 [ 9371.620846][ T10] netlink_sendmsg+0x723/0xbe0 [ 9371.620846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9371.620846][ T10] ___sys_sendmsg+0xee/0x170 [ 9371.620846][ T10] __sys_sendmsg+0xcd/0x170 [ 9371.620846][ T10] do_syscall_64+0xc6/0x1e0 [ 9371.620846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9371.620846][ T10] [ 9371.622376][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9371.622376][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9371.622376][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9371.622376][ T10] ipv6_find_idev+0x102/0x170 [ 9371.622376][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9371.622376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9371.622376][ T10] netlink_rcv_skb+0x130/0x360 [ 9371.622376][ T10] netlink_unicast+0x449/0x710 [ 9371.622376][ T10] netlink_sendmsg+0x723/0xbe0 [ 9371.622376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9371.622376][ T10] ___sys_sendmsg+0xee/0x170 [ 9371.622376][ T10] __sys_sendmsg+0xcd/0x170 [ 9371.622376][ T10] do_syscall_64+0xc6/0x1e0 [ 9371.622376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9371.622376][ T10] [ 9371.624071][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9371.624333][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9371.624333][ T10] netdev_get_by_index+0x5e/0x80 [ 9371.624333][ T10] fib6_nh_init+0x3d8/0x1580 [ 9371.624333][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9371.624333][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9371.624333][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9371.624333][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9371.624333][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9371.624333][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9371.624333][ T10] addrconf_dad_begin+0x310/0x670 [ 9371.624333][ T10] addrconf_dad_work+0x10b/0xab0 [ 9371.624333][ T10] process_one_work+0x84d/0x18a0 [ 9371.624333][ T10] worker_thread+0x587/0xd30 [ 9371.624333][ T10] kthread+0x28a/0x350 [ 9371.624333][ T10] ret_from_fork+0x31/0x70 [ 9371.624333][ T10] ret_from_fork_asm+0x1a/0x30 [ 9371.624333][ T10] [ 9371.626236][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9371.626236][ T10] netdev_get_by_index+0x5e/0x80 [ 9371.626236][ T10] fib6_nh_init+0x3d8/0x1580 [ 9371.626236][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9371.626236][ T10] ip6_route_add+0x1c/0x140 [ 9371.626236][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9371.626236][ T10] inet6_addr_add+0x4f8/0xa40 [ 9371.626236][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9371.626236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9371.626236][ T10] netlink_rcv_skb+0x130/0x360 [ 9371.626236][ T10] netlink_unicast+0x449/0x710 [ 9371.626236][ T10] netlink_sendmsg+0x723/0xbe0 [ 9371.626236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9371.626236][ T10] ___sys_sendmsg+0xee/0x170 [ 9371.626236][ T10] __sys_sendmsg+0xcd/0x170 [ 9371.626236][ T10] do_syscall_64+0xc6/0x1e0 [ 9371.626236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9371.626236][ T10] [ 9371.628423][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9371.628423][ T10] netdev_get_by_index+0x5e/0x80 [ 9371.628423][ T10] fib6_nh_init+0x3d8/0x1580 [ 9371.628423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9371.628423][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9371.628423][ T10] ipv6_add_addr+0x411/0x2000 [ 9371.628423][ T10] inet6_addr_add+0x30e/0xa40 [ 9371.628423][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9371.628423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9371.628423][ T10] netlink_rcv_skb+0x130/0x360 [ 9371.628423][ T10] netlink_unicast+0x449/0x710 [ 9371.628423][ T10] netlink_sendmsg+0x723/0xbe0 [ 9371.628423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9371.628423][ T10] ___sys_sendmsg+0xee/0x170 [ 9371.628423][ T10] __sys_sendmsg+0xcd/0x170 [ 9371.628423][ T10] do_syscall_64+0xc6/0x1e0 [ 9371.628423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9371.628423][ T10] [ 9371.630714][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9371.630714][ T10] netdev_get_by_index+0x5e/0x80 [ 9371.630714][ T10] fib6_nh_init+0x3d8/0x1580 [ 9371.630714][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9371.630714][ T10] ip6_route_add+0x1c/0x140 [ 9371.630714][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9371.630714][ T10] addrconf_add_dev+0xe2/0x170 [ 9371.630714][ T10] inet6_addr_add+0x12f/0xa40 [ 9371.630714][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9371.630714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9371.630714][ T10] netlink_rcv_skb+0x130/0x360 [ 9371.630714][ T10] netlink_unicast+0x449/0x710 [ 9371.630714][ T10] netlink_sendmsg+0x723/0xbe0 [ 9371.630714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9371.630714][ T10] ___sys_sendmsg+0xee/0x170 [ 9371.630714][ T10] __sys_sendmsg+0xcd/0x170 [ 9371.630714][ T10] do_syscall_64+0xc6/0x1e0 [ 9371.630714][ T10] [ 9371.632844][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9371.632844][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9371.632844][ T10] ipv6_find_idev+0x102/0x170 [ 9371.632844][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9371.632844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9371.632844][ T10] netlink_rcv_skb+0x130/0x360 [ 9371.632844][ T10] netlink_unicast+0x449/0x710 [ 9371.632844][ T10] netlink_sendmsg+0x723/0xbe0 [ 9371.632844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9371.632844][ T10] ___sys_sendmsg+0xee/0x170 [ 9371.632844][ T10] __sys_sendmsg+0xcd/0x170 [ 9371.632844][ T10] do_syscall_64+0xc6/0x1e0 [ 9371.632844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9371.632844][ T10] [ 9371.634568][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9371.634568][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9371.634568][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9371.634568][ T10] ipv6_find_idev+0x102/0x170 [ 9371.634568][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9371.634568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9371.634568][ T10] netlink_rcv_skb+0x130/0x360 [ 9371.634568][ T10] netlink_unicast+0x449/0x710 [ 9371.634568][ T10] netlink_sendmsg+0x723/0xbe0 [ 9371.634568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9371.634568][ T10] ___sys_sendmsg+0xee/0x170 [ 9371.634568][ T10] __sys_sendmsg+0xcd/0x170 [ 9371.634568][ T10] do_syscall_64+0xc6/0x1e0 [ 9371.634568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9371.634568][ T10] [ 9371.636496][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9371.636732][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9371.636732][ T10] netdev_get_by_index+0x5e/0x80 [ 9371.636732][ T10] fib6_nh_init+0x3d8/0x1580 [ 9371.636732][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9371.636732][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9371.636732][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9371.636732][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9371.636732][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9371.636732][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9371.636732][ T10] addrconf_dad_begin+0x310/0x670 [ 9371.636732][ T10] addrconf_dad_work+0x10b/0xab0 [ 9371.636732][ T10] process_one_work+0x84d/0x18a0 [ 9371.636732][ T10] worker_thread+0x587/0xd30 [ 9371.636732][ T10] kthread+0x28a/0x350 [ 9371.636732][ T10] ret_from_fork+0x31/0x70 [ 9371.636732][ T10] ret_from_fork_asm+0x1a/0x30 [ 9371.636732][ T10] [ 9371.638993][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9371.638993][ T10] netdev_get_by_index+0x5e/0x80 [ 9371.638993][ T10] fib6_nh_init+0x3d8/0x1580 [ 9371.638993][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9371.638993][ T10] ip6_route_add+0x1c/0x140 [ 9371.638993][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9371.638993][ T10] inet6_addr_add+0x4f8/0xa40 [ 9371.638993][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9371.638993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9371.638993][ T10] netlink_rcv_skb+0x130/0x360 [ 9371.638993][ T10] netlink_unicast+0x449/0x710 [ 9371.638993][ T10] netlink_sendmsg+0x723/0xbe0 [ 9371.638993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9371.638993][ T10] ___sys_sendmsg+0xee/0x170 [ 9371.638993][ T10] __sys_sendmsg+0xcd/0x170 [ 9371.638993][ T10] do_syscall_64+0xc6/0x1e0 [ 9371.638993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9371.638993][ T10] [ 9371.641172][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9371.641172][ T10] netdev_get_by_index+0x5e/0x80 [ 9371.641172][ T10] fib6_nh_init+0x3d8/0x1580 [ 9371.641172][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9371.641172][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9371.641172][ T10] ipv6_add_addr+0x411/0x2000 [ 9371.641172][ T10] inet6_addr_add+0x30e/0xa40 [ 9371.641172][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9371.641172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9371.641172][ T10] netlink_rcv_skb+0x130/0x360 [ 9371.641172][ T10] netlink_unicast+0x449/0x710 [ 9371.641172][ T10] netlink_sendmsg+0x723/0xbe0 [ 9371.641172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9371.641172][ T10] ___sys_sendmsg+0xee/0x170 [ 9371.641172][ T10] __sys_sendmsg+0xcd/0x170 [ 9371.641172][ T10] do_syscall_64+0xc6/0x1e0 [ 9371.641172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9371.641172][ T10] [ 9371.643416][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9371.643416][ T10] netdev_get_by_index+0x5e/0x80 [ 9371.643416][ T10] fib6_nh_init+0x3d8/0x1580 [ 9371.643416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9371.643416][ T10] ip6_route_add+0x1c/0x140 [ 9371.643416][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9371.643416][ T10] addrconf_add_dev+0xe2/0x170 [ 9371.643416][ T10] inet6_addr_add+0x12f/0xa40 [ 9371.643416][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9371.643416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9371.643416][ T10] netlink_rcv_skb+0x130/0x360 [ 9371.643416][ T10] netlink_unicast+0x449/0x710 [ 9371.643416][ T10] netlink_sendmsg+0x723/0xbe0 [ 9371.643416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9371.643416][ T10] ___sys_sendmsg+0xee/0x170 [ 9371.643416][ T10] __sys_sendmsg+0xcd/0x170 [ 9371.643416][ T10] do_syscall_64+0xc6/0x1e0 [ 9371.643416][ T10] [ 9371.645621][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9371.645621][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9371.645621][ T10] ipv6_find_idev+0x102/0x170 [ 9371.645621][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9371.645621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9371.645621][ T10] netlink_rcv_skb+0x130/0x360 [ 9371.645621][ T10] netlink_unicast+0x449/0x710 [ 9371.645621][ T10] netlink_sendmsg+0x723/0xbe0 [ 9371.645621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9371.645621][ T10] ___sys_sendmsg+0xee/0x170 [ 9371.645621][ T10] __sys_sendmsg+0xcd/0x170 [ 9371.645621][ T10] do_syscall_64+0xc6/0x1e0 [ 9371.645621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9371.645621][ T10] [ 9371.647427][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9371.647427][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9371.647427][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9371.647427][ T10] ipv6_find_idev+0x102/0x170 [ 9371.647427][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9371.647427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9371.647427][ T10] netlink_rcv_skb+0x130/0x360 [ 9371.647427][ T10] netlink_unicast+0x449/0x710 [ 9371.647427][ T10] netlink_sendmsg+0x723/0xbe0 [ 9371.647427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9371.647427][ T10] ___sys_sendmsg+0xee/0x170 [ 9371.647427][ T10] __sys_sendmsg+0xcd/0x170 [ 9371.647427][ T10] do_syscall_64+0xc6/0x1e0 [ 9371.647427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9371.647427][ T10] [ 9376.905068][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9376.905565][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9376.905565][ T1167] dst_init+0x84/0x4a0 [ 9376.905565][ T1167] dst_alloc+0x97/0x150 [ 9376.905565][ T1167] ip6_dst_alloc+0x23/0x90 [ 9376.905565][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9376.905565][ T1167] ip6_pol_route+0x56f/0x840 [ 9376.905565][ T1167] fib6_rule_lookup+0x334/0x630 [ 9376.905565][ T1167] ip6_route_output_flags+0x259/0x480 [ 9376.905565][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9376.905565][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9376.905565][ T1167] netlink_rcv_skb+0x130/0x360 [ 9376.905565][ T1167] netlink_unicast+0x449/0x710 [ 9376.905565][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9376.905565][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9376.905565][ T1167] ___sys_sendmsg+0xee/0x170 [ 9376.905565][ T1167] __sys_sendmsg+0xcd/0x170 [ 9376.905565][ T1167] do_syscall_64+0xc6/0x1e0 [ 9376.905565][ T1167] [ 9376.908434][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9376.908434][ T1167] netdev_get_by_index+0x5e/0x80 [ 9376.908434][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9376.908434][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9376.908434][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9376.908434][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9376.908434][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9376.908434][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9376.908434][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9376.908434][ T1167] addrconf_dad_begin+0x310/0x670 [ 9376.908434][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9376.908434][ T1167] process_one_work+0x84d/0x18a0 [ 9376.908434][ T1167] worker_thread+0x587/0xd30 [ 9376.908434][ T1167] kthread+0x28a/0x350 [ 9376.908434][ T1167] ret_from_fork+0x31/0x70 [ 9376.908434][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9376.908434][ T1167] [ 9376.910633][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9376.910633][ T1167] netdev_get_by_index+0x5e/0x80 [ 9376.910633][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9376.910633][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9376.910633][ T1167] ip6_route_add+0x1c/0x140 [ 9376.910633][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9376.910633][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9376.910633][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9376.910633][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9376.910633][ T1167] netlink_rcv_skb+0x130/0x360 [ 9376.910633][ T1167] netlink_unicast+0x449/0x710 [ 9376.910633][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9376.910633][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9376.910633][ T1167] ___sys_sendmsg+0xee/0x170 [ 9376.910633][ T1167] __sys_sendmsg+0xcd/0x170 [ 9376.910633][ T1167] do_syscall_64+0xc6/0x1e0 [ 9376.910633][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9376.910633][ T1167] [ 9376.913479][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9376.913479][ T1167] netdev_get_by_index+0x5e/0x80 [ 9376.913479][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9376.913479][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9376.913479][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9376.913479][ T1167] ipv6_add_addr+0x411/0x2000 [ 9376.913479][ T1167] inet6_addr_add+0x30e/0xa40 [ 9376.913479][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9376.913479][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9376.913479][ T1167] netlink_rcv_skb+0x130/0x360 [ 9376.913479][ T1167] netlink_unicast+0x449/0x710 [ 9376.913479][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9376.913479][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9376.913479][ T1167] ___sys_sendmsg+0xee/0x170 [ 9376.913479][ T1167] __sys_sendmsg+0xcd/0x170 [ 9376.913479][ T1167] do_syscall_64+0xc6/0x1e0 [ 9376.913479][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9376.913479][ T1167] [ 9376.915756][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9376.915756][ T1167] netdev_get_by_index+0x5e/0x80 [ 9376.915756][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9376.915756][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9376.915756][ T1167] ip6_route_add+0x1c/0x140 [ 9376.915756][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9376.915756][ T1167] addrconf_add_dev+0xe2/0x170 [ 9376.915756][ T1167] inet6_addr_add+0x12f/0xa40 [ 9376.915756][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9376.915756][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9376.915756][ T1167] netlink_rcv_skb+0x130/0x360 [ 9376.915756][ T1167] netlink_unicast+0x449/0x710 [ 9376.915756][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9376.915756][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9376.915756][ T1167] ___sys_sendmsg+0xee/0x170 [ 9376.915756][ T1167] __sys_sendmsg+0xcd/0x170 [ 9376.915756][ T1167] do_syscall_64+0xc6/0x1e0 [ 9376.915756][ T1167] [ 9376.917956][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9376.917956][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9376.917956][ T1167] ipv6_find_idev+0x102/0x170 [ 9376.917956][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9376.917956][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9376.917956][ T1167] netlink_rcv_skb+0x130/0x360 [ 9376.917956][ T1167] netlink_unicast+0x449/0x710 [ 9376.917956][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9376.917956][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9376.917956][ T1167] ___sys_sendmsg+0xee/0x170 [ 9376.917956][ T1167] __sys_sendmsg+0xcd/0x170 [ 9376.917956][ T1167] do_syscall_64+0xc6/0x1e0 [ 9376.917956][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9376.917956][ T1167] [ 9376.919679][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9376.919679][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9376.919679][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9376.919679][ T1167] ipv6_find_idev+0x102/0x170 [ 9376.919679][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9376.919679][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9376.919679][ T1167] netlink_rcv_skb+0x130/0x360 [ 9376.919679][ T1167] netlink_unicast+0x449/0x710 [ 9376.919679][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9376.919679][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9376.919679][ T1167] ___sys_sendmsg+0xee/0x170 [ 9376.919679][ T1167] __sys_sendmsg+0xcd/0x170 [ 9376.919679][ T1167] do_syscall_64+0xc6/0x1e0 [ 9376.919679][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9376.919679][ T1167] [ 9381.769121][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9381.769503][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9381.769503][ T10] netdev_get_by_index+0x5e/0x80 [ 9381.769503][ T10] fib6_nh_init+0x3d8/0x1580 [ 9381.769503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9381.769503][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9381.769503][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9381.769503][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9381.769503][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9381.769503][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9381.769503][ T10] addrconf_dad_begin+0x310/0x670 [ 9381.769503][ T10] addrconf_dad_work+0x10b/0xab0 [ 9381.769503][ T10] process_one_work+0x84d/0x18a0 [ 9381.769503][ T10] worker_thread+0x587/0xd30 [ 9381.769503][ T10] kthread+0x28a/0x350 [ 9381.769503][ T10] ret_from_fork+0x31/0x70 [ 9381.769503][ T10] ret_from_fork_asm+0x1a/0x30 [ 9381.769503][ T10] [ 9381.771465][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9381.771465][ T10] netdev_get_by_index+0x5e/0x80 [ 9381.771465][ T10] fib6_nh_init+0x3d8/0x1580 [ 9381.771465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9381.771465][ T10] ip6_route_add+0x1c/0x140 [ 9381.771465][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9381.771465][ T10] inet6_addr_add+0x4f8/0xa40 [ 9381.771465][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9381.771465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9381.771465][ T10] netlink_rcv_skb+0x130/0x360 [ 9381.771465][ T10] netlink_unicast+0x449/0x710 [ 9381.771465][ T10] netlink_sendmsg+0x723/0xbe0 [ 9381.771465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9381.771465][ T10] ___sys_sendmsg+0xee/0x170 [ 9381.771465][ T10] __sys_sendmsg+0xcd/0x170 [ 9381.771465][ T10] do_syscall_64+0xc6/0x1e0 [ 9381.771465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9381.771465][ T10] [ 9381.773500][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9381.773500][ T10] netdev_get_by_index+0x5e/0x80 [ 9381.773500][ T10] fib6_nh_init+0x3d8/0x1580 [ 9381.773500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9381.773500][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9381.773500][ T10] ipv6_add_addr+0x411/0x2000 [ 9381.773500][ T10] inet6_addr_add+0x30e/0xa40 [ 9381.773500][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9381.773500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9381.773500][ T10] netlink_rcv_skb+0x130/0x360 [ 9381.773500][ T10] netlink_unicast+0x449/0x710 [ 9381.773500][ T10] netlink_sendmsg+0x723/0xbe0 [ 9381.773500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9381.773500][ T10] ___sys_sendmsg+0xee/0x170 [ 9381.773500][ T10] __sys_sendmsg+0xcd/0x170 [ 9381.773500][ T10] do_syscall_64+0xc6/0x1e0 [ 9381.773500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9381.773500][ T10] [ 9381.775526][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9381.775526][ T10] netdev_get_by_index+0x5e/0x80 [ 9381.775526][ T10] fib6_nh_init+0x3d8/0x1580 [ 9381.775526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9381.775526][ T10] ip6_route_add+0x1c/0x140 [ 9381.775526][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9381.775526][ T10] addrconf_add_dev+0xe2/0x170 [ 9381.775526][ T10] inet6_addr_add+0x12f/0xa40 [ 9381.775526][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9381.775526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9381.775526][ T10] netlink_rcv_skb+0x130/0x360 [ 9381.775526][ T10] netlink_unicast+0x449/0x710 [ 9381.775526][ T10] netlink_sendmsg+0x723/0xbe0 [ 9381.775526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9381.775526][ T10] ___sys_sendmsg+0xee/0x170 [ 9381.775526][ T10] __sys_sendmsg+0xcd/0x170 [ 9381.775526][ T10] do_syscall_64+0xc6/0x1e0 [ 9381.775526][ T10] [ 9381.777516][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9381.777516][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9381.777516][ T10] ipv6_find_idev+0x102/0x170 [ 9381.777516][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9381.777516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9381.777516][ T10] netlink_rcv_skb+0x130/0x360 [ 9381.777516][ T10] netlink_unicast+0x449/0x710 [ 9381.777516][ T10] netlink_sendmsg+0x723/0xbe0 [ 9381.777516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9381.777516][ T10] ___sys_sendmsg+0xee/0x170 [ 9381.777516][ T10] __sys_sendmsg+0xcd/0x170 [ 9381.777516][ T10] do_syscall_64+0xc6/0x1e0 [ 9381.777516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9381.777516][ T10] [ 9381.779078][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9381.779078][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9381.779078][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9381.779078][ T10] ipv6_find_idev+0x102/0x170 [ 9381.779078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9381.779078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9381.779078][ T10] netlink_rcv_skb+0x130/0x360 [ 9381.779078][ T10] netlink_unicast+0x449/0x710 [ 9381.779078][ T10] netlink_sendmsg+0x723/0xbe0 [ 9381.779078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9381.779078][ T10] ___sys_sendmsg+0xee/0x170 [ 9381.779078][ T10] __sys_sendmsg+0xcd/0x170 [ 9381.779078][ T10] do_syscall_64+0xc6/0x1e0 [ 9381.779078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9381.779078][ T10] [ 9381.780797][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9381.781061][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9381.781061][ T10] netdev_get_by_index+0x5e/0x80 [ 9381.781061][ T10] fib6_nh_init+0x3d8/0x1580 [ 9381.781061][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9381.781061][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9381.781061][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9381.781061][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9381.781061][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9381.781061][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9381.781061][ T10] addrconf_dad_begin+0x310/0x670 [ 9381.781061][ T10] addrconf_dad_work+0x10b/0xab0 [ 9381.781061][ T10] process_one_work+0x84d/0x18a0 [ 9381.781061][ T10] worker_thread+0x587/0xd30 [ 9381.781061][ T10] kthread+0x28a/0x350 [ 9381.781061][ T10] ret_from_fork+0x31/0x70 [ 9381.781061][ T10] ret_from_fork_asm+0x1a/0x30 [ 9381.781061][ T10] [ 9381.783000][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9381.783000][ T10] netdev_get_by_index+0x5e/0x80 [ 9381.783000][ T10] fib6_nh_init+0x3d8/0x1580 [ 9381.783000][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9381.783000][ T10] ip6_route_add+0x1c/0x140 [ 9381.783000][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9381.783000][ T10] inet6_addr_add+0x4f8/0xa40 [ 9381.783000][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9381.783000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9381.783000][ T10] netlink_rcv_skb+0x130/0x360 [ 9381.783000][ T10] netlink_unicast+0x449/0x710 [ 9381.783000][ T10] netlink_sendmsg+0x723/0xbe0 [ 9381.783000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9381.783000][ T10] ___sys_sendmsg+0xee/0x170 [ 9381.783000][ T10] __sys_sendmsg+0xcd/0x170 [ 9381.783000][ T10] do_syscall_64+0xc6/0x1e0 [ 9381.783000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9381.783000][ T10] [ 9381.785060][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9381.785060][ T10] netdev_get_by_index+0x5e/0x80 [ 9381.785060][ T10] fib6_nh_init+0x3d8/0x1580 [ 9381.785060][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9381.785060][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9381.785060][ T10] ipv6_add_addr+0x411/0x2000 [ 9381.785060][ T10] inet6_addr_add+0x30e/0xa40 [ 9381.785060][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9381.785060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9381.785060][ T10] netlink_rcv_skb+0x130/0x360 [ 9381.785060][ T10] netlink_unicast+0x449/0x710 [ 9381.785060][ T10] netlink_sendmsg+0x723/0xbe0 [ 9381.785060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9381.785060][ T10] ___sys_sendmsg+0xee/0x170 [ 9381.785060][ T10] __sys_sendmsg+0xcd/0x170 [ 9381.785060][ T10] do_syscall_64+0xc6/0x1e0 [ 9381.785060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9381.785060][ T10] [ 9381.787097][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9381.787097][ T10] netdev_get_by_index+0x5e/0x80 [ 9381.787097][ T10] fib6_nh_init+0x3d8/0x1580 [ 9381.787097][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9381.787097][ T10] ip6_route_add+0x1c/0x140 [ 9381.787097][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9381.787097][ T10] addrconf_add_dev+0xe2/0x170 [ 9381.787097][ T10] inet6_addr_add+0x12f/0xa40 [ 9381.787097][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9381.787097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9381.787097][ T10] netlink_rcv_skb+0x130/0x360 [ 9381.787097][ T10] netlink_unicast+0x449/0x710 [ 9381.787097][ T10] netlink_sendmsg+0x723/0xbe0 [ 9381.787097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9381.787097][ T10] ___sys_sendmsg+0xee/0x170 [ 9381.787097][ T10] __sys_sendmsg+0xcd/0x170 [ 9381.787097][ T10] do_syscall_64+0xc6/0x1e0 [ 9381.787097][ T10] [ 9381.789081][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9381.789081][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9381.789081][ T10] ipv6_find_idev+0x102/0x170 [ 9381.789081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9381.789081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9381.789081][ T10] netlink_rcv_skb+0x130/0x360 [ 9381.789081][ T10] netlink_unicast+0x449/0x710 [ 9381.789081][ T10] netlink_sendmsg+0x723/0xbe0 [ 9381.789081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9381.789081][ T10] ___sys_sendmsg+0xee/0x170 [ 9381.789081][ T10] __sys_sendmsg+0xcd/0x170 [ 9381.789081][ T10] do_syscall_64+0xc6/0x1e0 [ 9381.789081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9381.789081][ T10] [ 9381.790637][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9381.790637][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9381.790637][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9381.790637][ T10] ipv6_find_idev+0x102/0x170 [ 9381.790637][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9381.790637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9381.790637][ T10] netlink_rcv_skb+0x130/0x360 [ 9381.790637][ T10] netlink_unicast+0x449/0x710 [ 9381.790637][ T10] netlink_sendmsg+0x723/0xbe0 [ 9381.790637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9381.790637][ T10] ___sys_sendmsg+0xee/0x170 [ 9381.790637][ T10] __sys_sendmsg+0xcd/0x170 [ 9381.790637][ T10] do_syscall_64+0xc6/0x1e0 [ 9381.790637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9381.790637][ T10] [ 9381.792341][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9381.792587][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9381.792587][ T10] netdev_get_by_index+0x5e/0x80 [ 9381.792587][ T10] fib6_nh_init+0x3d8/0x1580 [ 9381.792587][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9381.792587][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9381.792587][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9381.792587][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9381.792587][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9381.792587][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9381.792587][ T10] addrconf_dad_begin+0x310/0x670 [ 9381.792587][ T10] addrconf_dad_work+0x10b/0xab0 [ 9381.792587][ T10] process_one_work+0x84d/0x18a0 [ 9381.792587][ T10] worker_thread+0x587/0xd30 [ 9381.792587][ T10] kthread+0x28a/0x350 [ 9381.792587][ T10] ret_from_fork+0x31/0x70 [ 9381.792587][ T10] ret_from_fork_asm+0x1a/0x30 [ 9381.792587][ T10] [ 9381.794521][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9381.794521][ T10] netdev_get_by_index+0x5e/0x80 [ 9381.794521][ T10] fib6_nh_init+0x3d8/0x1580 [ 9381.794521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9381.794521][ T10] ip6_route_add+0x1c/0x140 [ 9381.794521][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9381.794521][ T10] inet6_addr_add+0x4f8/0xa40 [ 9381.794521][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9381.794521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9381.794521][ T10] netlink_rcv_skb+0x130/0x360 [ 9381.794521][ T10] netlink_unicast+0x449/0x710 [ 9381.794521][ T10] netlink_sendmsg+0x723/0xbe0 [ 9381.794521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9381.794521][ T10] ___sys_sendmsg+0xee/0x170 [ 9381.794521][ T10] __sys_sendmsg+0xcd/0x170 [ 9381.794521][ T10] do_syscall_64+0xc6/0x1e0 [ 9381.794521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9381.794521][ T10] [ 9381.796667][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9381.796667][ T10] netdev_get_by_index+0x5e/0x80 [ 9381.796667][ T10] fib6_nh_init+0x3d8/0x1580 [ 9381.796667][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9381.796667][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9381.796667][ T10] ipv6_add_addr+0x411/0x2000 [ 9381.796667][ T10] inet6_addr_add+0x30e/0xa40 [ 9381.796667][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9381.796667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9381.796667][ T10] netlink_rcv_skb+0x130/0x360 [ 9381.796667][ T10] netlink_unicast+0x449/0x710 [ 9381.796667][ T10] netlink_sendmsg+0x723/0xbe0 [ 9381.796667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9381.796667][ T10] ___sys_sendmsg+0xee/0x170 [ 9381.796667][ T10] __sys_sendmsg+0xcd/0x170 [ 9381.796667][ T10] do_syscall_64+0xc6/0x1e0 [ 9381.796667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9381.796667][ T10] [ 9381.798811][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9381.798811][ T10] netdev_get_by_index+0x5e/0x80 [ 9381.798811][ T10] fib6_nh_init+0x3d8/0x1580 [ 9381.798811][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9381.798811][ T10] ip6_route_add+0x1c/0x140 [ 9381.798811][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9381.798811][ T10] addrconf_add_dev+0xe2/0x170 [ 9381.798811][ T10] inet6_addr_add+0x12f/0xa40 [ 9381.798811][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9381.798811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9381.798811][ T10] netlink_rcv_skb+0x130/0x360 [ 9381.798811][ T10] netlink_unicast+0x449/0x710 [ 9381.798811][ T10] netlink_sendmsg+0x723/0xbe0 [ 9381.798811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9381.798811][ T10] ___sys_sendmsg+0xee/0x170 [ 9381.798811][ T10] __sys_sendmsg+0xcd/0x170 [ 9381.798811][ T10] do_syscall_64+0xc6/0x1e0 [ 9381.798811][ T10] [ 9381.801028][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9381.801028][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9381.801028][ T10] ipv6_find_idev+0x102/0x170 [ 9381.801028][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9381.801028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9381.801028][ T10] netlink_rcv_skb+0x130/0x360 [ 9381.801028][ T10] netlink_unicast+0x449/0x710 [ 9381.801028][ T10] netlink_sendmsg+0x723/0xbe0 [ 9381.801028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9381.801028][ T10] ___sys_sendmsg+0xee/0x170 [ 9381.801028][ T10] __sys_sendmsg+0xcd/0x170 [ 9381.801028][ T10] do_syscall_64+0xc6/0x1e0 [ 9381.801028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9381.801028][ T10] [ 9381.802650][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9381.802650][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9381.802650][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9381.802650][ T10] ipv6_find_idev+0x102/0x170 [ 9381.802650][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9381.802650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9381.802650][ T10] netlink_rcv_skb+0x130/0x360 [ 9381.802650][ T10] netlink_unicast+0x449/0x710 [ 9381.802650][ T10] netlink_sendmsg+0x723/0xbe0 [ 9381.802650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9381.802650][ T10] ___sys_sendmsg+0xee/0x170 [ 9381.802650][ T10] __sys_sendmsg+0xcd/0x170 [ 9381.802650][ T10] do_syscall_64+0xc6/0x1e0 [ 9381.802650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9381.802650][ T10] [ 9381.804504][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9381.804744][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9381.804744][ T10] netdev_get_by_index+0x5e/0x80 [ 9381.804744][ T10] fib6_nh_init+0x3d8/0x1580 [ 9381.804744][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9381.804744][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9381.804744][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9381.804744][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9381.804744][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9381.804744][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9381.804744][ T10] addrconf_dad_begin+0x310/0x670 [ 9381.804744][ T10] addrconf_dad_work+0x10b/0xab0 [ 9381.804744][ T10] process_one_work+0x84d/0x18a0 [ 9381.804744][ T10] worker_thread+0x587/0xd30 [ 9381.804744][ T10] kthread+0x28a/0x350 [ 9381.804744][ T10] ret_from_fork+0x31/0x70 [ 9381.804744][ T10] ret_from_fork_asm+0x1a/0x30 [ 9381.804744][ T10] [ 9381.806974][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9381.806974][ T10] netdev_get_by_index+0x5e/0x80 [ 9381.806974][ T10] fib6_nh_init+0x3d8/0x1580 [ 9381.806974][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9381.806974][ T10] ip6_route_add+0x1c/0x140 [ 9381.806974][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9381.806974][ T10] inet6_addr_add+0x4f8/0xa40 [ 9381.806974][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9381.806974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9381.806974][ T10] netlink_rcv_skb+0x130/0x360 [ 9381.806974][ T10] netlink_unicast+0x449/0x710 [ 9381.806974][ T10] netlink_sendmsg+0x723/0xbe0 [ 9381.806974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9381.806974][ T10] ___sys_sendmsg+0xee/0x170 [ 9381.806974][ T10] __sys_sendmsg+0xcd/0x170 [ 9381.806974][ T10] do_syscall_64+0xc6/0x1e0 [ 9381.806974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9381.806974][ T10] [ 9381.809173][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9381.809173][ T10] netdev_get_by_index+0x5e/0x80 [ 9381.809173][ T10] fib6_nh_init+0x3d8/0x1580 [ 9381.809173][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9381.809173][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9381.809173][ T10] ipv6_add_addr+0x411/0x2000 [ 9381.809173][ T10] inet6_addr_add+0x30e/0xa40 [ 9381.809173][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9381.809173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9381.809173][ T10] netlink_rcv_skb+0x130/0x360 [ 9381.809173][ T10] netlink_unicast+0x449/0x710 [ 9381.809173][ T10] netlink_sendmsg+0x723/0xbe0 [ 9381.809173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9381.809173][ T10] ___sys_sendmsg+0xee/0x170 [ 9381.809173][ T10] __sys_sendmsg+0xcd/0x170 [ 9381.809173][ T10] do_syscall_64+0xc6/0x1e0 [ 9381.809173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9381.809173][ T10] [ 9381.811428][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9381.811428][ T10] netdev_get_by_index+0x5e/0x80 [ 9381.811428][ T10] fib6_nh_init+0x3d8/0x1580 [ 9381.811428][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9381.811428][ T10] ip6_route_add+0x1c/0x140 [ 9381.811428][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9381.811428][ T10] addrconf_add_dev+0xe2/0x170 [ 9381.811428][ T10] inet6_addr_add+0x12f/0xa40 [ 9381.811428][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9381.811428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9381.811428][ T10] netlink_rcv_skb+0x130/0x360 [ 9381.811428][ T10] netlink_unicast+0x449/0x710 [ 9381.811428][ T10] netlink_sendmsg+0x723/0xbe0 [ 9381.811428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9381.811428][ T10] ___sys_sendmsg+0xee/0x170 [ 9381.811428][ T10] __sys_sendmsg+0xcd/0x170 [ 9381.811428][ T10] do_syscall_64+0xc6/0x1e0 [ 9381.811428][ T10] [ 9381.813661][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9381.813661][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9381.813661][ T10] ipv6_find_idev+0x102/0x170 [ 9381.813661][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9381.813661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9381.813661][ T10] netlink_rcv_skb+0x130/0x360 [ 9381.813661][ T10] netlink_unicast+0x449/0x710 [ 9381.813661][ T10] netlink_sendmsg+0x723/0xbe0 [ 9381.813661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9381.813661][ T10] ___sys_sendmsg+0xee/0x170 [ 9381.813661][ T10] __sys_sendmsg+0xcd/0x170 [ 9381.813661][ T10] do_syscall_64+0xc6/0x1e0 [ 9381.813661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9381.813661][ T10] [ 9381.815419][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9381.815419][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9381.815419][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9381.815419][ T10] ipv6_find_idev+0x102/0x170 [ 9381.815419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9381.815419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9381.815419][ T10] netlink_rcv_skb+0x130/0x360 [ 9381.815419][ T10] netlink_unicast+0x449/0x710 [ 9381.815419][ T10] netlink_sendmsg+0x723/0xbe0 [ 9381.815419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9381.815419][ T10] ___sys_sendmsg+0xee/0x170 [ 9381.815419][ T10] __sys_sendmsg+0xcd/0x170 [ 9381.815419][ T10] do_syscall_64+0xc6/0x1e0 [ 9381.815419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9381.815419][ T10] [ 9387.169177][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9387.169667][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9387.169667][ T1167] dst_init+0x84/0x4a0 [ 9387.169667][ T1167] dst_alloc+0x97/0x150 [ 9387.169667][ T1167] ip6_dst_alloc+0x23/0x90 [ 9387.169667][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9387.169667][ T1167] ip6_pol_route+0x56f/0x840 [ 9387.169667][ T1167] fib6_rule_lookup+0x334/0x630 [ 9387.169667][ T1167] ip6_route_output_flags+0x259/0x480 [ 9387.169667][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9387.169667][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9387.169667][ T1167] netlink_rcv_skb+0x130/0x360 [ 9387.169667][ T1167] netlink_unicast+0x449/0x710 [ 9387.169667][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9387.169667][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9387.169667][ T1167] ___sys_sendmsg+0xee/0x170 [ 9387.169667][ T1167] __sys_sendmsg+0xcd/0x170 [ 9387.169667][ T1167] do_syscall_64+0xc6/0x1e0 [ 9387.169667][ T1167] [ 9387.171876][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9387.171876][ T1167] netdev_get_by_index+0x5e/0x80 [ 9387.171876][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9387.171876][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9387.171876][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9387.171876][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9387.171876][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9387.171876][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9387.171876][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9387.171876][ T1167] addrconf_dad_begin+0x310/0x670 [ 9387.171876][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9387.171876][ T1167] process_one_work+0x84d/0x18a0 [ 9387.171876][ T1167] worker_thread+0x587/0xd30 [ 9387.171876][ T1167] kthread+0x28a/0x350 [ 9387.171876][ T1167] ret_from_fork+0x31/0x70 [ 9387.171876][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9387.171876][ T1167] [ 9387.174104][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9387.174104][ T1167] netdev_get_by_index+0x5e/0x80 [ 9387.174104][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9387.174104][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9387.174104][ T1167] ip6_route_add+0x1c/0x140 [ 9387.174104][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9387.174104][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9387.174104][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9387.174104][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9387.174104][ T1167] netlink_rcv_skb+0x130/0x360 [ 9387.174104][ T1167] netlink_unicast+0x449/0x710 [ 9387.174104][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9387.174104][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9387.174104][ T1167] ___sys_sendmsg+0xee/0x170 [ 9387.174104][ T1167] __sys_sendmsg+0xcd/0x170 [ 9387.174104][ T1167] do_syscall_64+0xc6/0x1e0 [ 9387.174104][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9387.174104][ T1167] [ 9387.176360][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9387.176360][ T1167] netdev_get_by_index+0x5e/0x80 [ 9387.176360][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9387.176360][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9387.176360][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9387.176360][ T1167] ipv6_add_addr+0x411/0x2000 [ 9387.176360][ T1167] inet6_addr_add+0x30e/0xa40 [ 9387.176360][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9387.176360][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9387.176360][ T1167] netlink_rcv_skb+0x130/0x360 [ 9387.176360][ T1167] netlink_unicast+0x449/0x710 [ 9387.176360][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9387.176360][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9387.176360][ T1167] ___sys_sendmsg+0xee/0x170 [ 9387.176360][ T1167] __sys_sendmsg+0xcd/0x170 [ 9387.176360][ T1167] do_syscall_64+0xc6/0x1e0 [ 9387.176360][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9387.176360][ T1167] [ 9387.178804][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9387.178804][ T1167] netdev_get_by_index+0x5e/0x80 [ 9387.178804][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9387.178804][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9387.178804][ T1167] ip6_route_add+0x1c/0x140 [ 9387.178804][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9387.178804][ T1167] addrconf_add_dev+0xe2/0x170 [ 9387.178804][ T1167] inet6_addr_add+0x12f/0xa40 [ 9387.178804][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9387.178804][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9387.178804][ T1167] netlink_rcv_skb+0x130/0x360 [ 9387.178804][ T1167] netlink_unicast+0x449/0x710 [ 9387.178804][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9387.178804][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9387.178804][ T1167] ___sys_sendmsg+0xee/0x170 [ 9387.178804][ T1167] __sys_sendmsg+0xcd/0x170 [ 9387.178804][ T1167] do_syscall_64+0xc6/0x1e0 [ 9387.178804][ T1167] [ 9387.180996][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9387.180996][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9387.180996][ T1167] ipv6_find_idev+0x102/0x170 [ 9387.180996][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9387.180996][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9387.180996][ T1167] netlink_rcv_skb+0x130/0x360 [ 9387.180996][ T1167] netlink_unicast+0x449/0x710 [ 9387.180996][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9387.180996][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9387.180996][ T1167] ___sys_sendmsg+0xee/0x170 [ 9387.180996][ T1167] __sys_sendmsg+0xcd/0x170 [ 9387.180996][ T1167] do_syscall_64+0xc6/0x1e0 [ 9387.180996][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9387.180996][ T1167] [ 9387.182715][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9387.182715][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9387.182715][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9387.182715][ T1167] ipv6_find_idev+0x102/0x170 [ 9387.182715][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9387.182715][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9387.182715][ T1167] netlink_rcv_skb+0x130/0x360 [ 9387.182715][ T1167] netlink_unicast+0x449/0x710 [ 9387.182715][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9387.182715][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9387.182715][ T1167] ___sys_sendmsg+0xee/0x170 [ 9387.182715][ T1167] __sys_sendmsg+0xcd/0x170 [ 9387.182715][ T1167] do_syscall_64+0xc6/0x1e0 [ 9387.182715][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9387.182715][ T1167] [ 9392.057113][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9392.057567][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9392.057567][ T10] netdev_get_by_index+0x5e/0x80 [ 9392.057567][ T10] fib6_nh_init+0x3d8/0x1580 [ 9392.057567][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9392.057567][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9392.057567][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9392.057567][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9392.057567][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9392.057567][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9392.057567][ T10] addrconf_dad_begin+0x310/0x670 [ 9392.057567][ T10] addrconf_dad_work+0x10b/0xab0 [ 9392.057567][ T10] process_one_work+0x84d/0x18a0 [ 9392.057567][ T10] worker_thread+0x587/0xd30 [ 9392.057567][ T10] kthread+0x28a/0x350 [ 9392.057567][ T10] ret_from_fork+0x31/0x70 [ 9392.057567][ T10] ret_from_fork_asm+0x1a/0x30 [ 9392.057567][ T10] [ 9392.059518][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9392.059518][ T10] netdev_get_by_index+0x5e/0x80 [ 9392.059518][ T10] fib6_nh_init+0x3d8/0x1580 [ 9392.059518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9392.059518][ T10] ip6_route_add+0x1c/0x140 [ 9392.059518][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9392.059518][ T10] inet6_addr_add+0x4f8/0xa40 [ 9392.059518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9392.059518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9392.059518][ T10] netlink_rcv_skb+0x130/0x360 [ 9392.059518][ T10] netlink_unicast+0x449/0x710 [ 9392.059518][ T10] netlink_sendmsg+0x723/0xbe0 [ 9392.059518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9392.059518][ T10] ___sys_sendmsg+0xee/0x170 [ 9392.059518][ T10] __sys_sendmsg+0xcd/0x170 [ 9392.059518][ T10] do_syscall_64+0xc6/0x1e0 [ 9392.059518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9392.059518][ T10] [ 9392.061541][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9392.061541][ T10] netdev_get_by_index+0x5e/0x80 [ 9392.061541][ T10] fib6_nh_init+0x3d8/0x1580 [ 9392.061541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9392.061541][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9392.061541][ T10] ipv6_add_addr+0x411/0x2000 [ 9392.061541][ T10] inet6_addr_add+0x30e/0xa40 [ 9392.061541][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9392.061541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9392.061541][ T10] netlink_rcv_skb+0x130/0x360 [ 9392.061541][ T10] netlink_unicast+0x449/0x710 [ 9392.061541][ T10] netlink_sendmsg+0x723/0xbe0 [ 9392.061541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9392.061541][ T10] ___sys_sendmsg+0xee/0x170 [ 9392.061541][ T10] __sys_sendmsg+0xcd/0x170 [ 9392.061541][ T10] do_syscall_64+0xc6/0x1e0 [ 9392.061541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9392.061541][ T10] [ 9392.063559][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9392.063559][ T10] netdev_get_by_index+0x5e/0x80 [ 9392.063559][ T10] fib6_nh_init+0x3d8/0x1580 [ 9392.063559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9392.063559][ T10] ip6_route_add+0x1c/0x140 [ 9392.063559][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9392.063559][ T10] addrconf_add_dev+0xe2/0x170 [ 9392.063559][ T10] inet6_addr_add+0x12f/0xa40 [ 9392.063559][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9392.063559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9392.063559][ T10] netlink_rcv_skb+0x130/0x360 [ 9392.063559][ T10] netlink_unicast+0x449/0x710 [ 9392.063559][ T10] netlink_sendmsg+0x723/0xbe0 [ 9392.063559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9392.063559][ T10] ___sys_sendmsg+0xee/0x170 [ 9392.063559][ T10] __sys_sendmsg+0xcd/0x170 [ 9392.063559][ T10] do_syscall_64+0xc6/0x1e0 [ 9392.063559][ T10] [ 9392.065551][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9392.065551][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9392.065551][ T10] ipv6_find_idev+0x102/0x170 [ 9392.065551][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9392.065551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9392.065551][ T10] netlink_rcv_skb+0x130/0x360 [ 9392.065551][ T10] netlink_unicast+0x449/0x710 [ 9392.065551][ T10] netlink_sendmsg+0x723/0xbe0 [ 9392.065551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9392.065551][ T10] ___sys_sendmsg+0xee/0x170 [ 9392.065551][ T10] __sys_sendmsg+0xcd/0x170 [ 9392.065551][ T10] do_syscall_64+0xc6/0x1e0 [ 9392.065551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9392.065551][ T10] [ 9392.067105][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9392.067105][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9392.067105][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9392.067105][ T10] ipv6_find_idev+0x102/0x170 [ 9392.067105][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9392.067105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9392.067105][ T10] netlink_rcv_skb+0x130/0x360 [ 9392.067105][ T10] netlink_unicast+0x449/0x710 [ 9392.067105][ T10] netlink_sendmsg+0x723/0xbe0 [ 9392.067105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9392.067105][ T10] ___sys_sendmsg+0xee/0x170 [ 9392.067105][ T10] __sys_sendmsg+0xcd/0x170 [ 9392.067105][ T10] do_syscall_64+0xc6/0x1e0 [ 9392.067105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9392.067105][ T10] [ 9392.068822][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9392.069086][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9392.069086][ T10] netdev_get_by_index+0x5e/0x80 [ 9392.069086][ T10] fib6_nh_init+0x3d8/0x1580 [ 9392.069086][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9392.069086][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9392.069086][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9392.069086][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9392.069086][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9392.069086][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9392.069086][ T10] addrconf_dad_begin+0x310/0x670 [ 9392.069086][ T10] addrconf_dad_work+0x10b/0xab0 [ 9392.069086][ T10] process_one_work+0x84d/0x18a0 [ 9392.069086][ T10] worker_thread+0x587/0xd30 [ 9392.069086][ T10] kthread+0x28a/0x350 [ 9392.069086][ T10] ret_from_fork+0x31/0x70 [ 9392.069086][ T10] ret_from_fork_asm+0x1a/0x30 [ 9392.069086][ T10] [ 9392.071025][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9392.071025][ T10] netdev_get_by_index+0x5e/0x80 [ 9392.071025][ T10] fib6_nh_init+0x3d8/0x1580 [ 9392.071025][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9392.071025][ T10] ip6_route_add+0x1c/0x140 [ 9392.071025][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9392.071025][ T10] inet6_addr_add+0x4f8/0xa40 [ 9392.071025][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9392.071025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9392.071025][ T10] netlink_rcv_skb+0x130/0x360 [ 9392.071025][ T10] netlink_unicast+0x449/0x710 [ 9392.071025][ T10] netlink_sendmsg+0x723/0xbe0 [ 9392.071025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9392.071025][ T10] ___sys_sendmsg+0xee/0x170 [ 9392.071025][ T10] __sys_sendmsg+0xcd/0x170 [ 9392.071025][ T10] do_syscall_64+0xc6/0x1e0 [ 9392.071025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9392.071025][ T10] [ 9392.073042][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9392.073042][ T10] netdev_get_by_index+0x5e/0x80 [ 9392.073042][ T10] fib6_nh_init+0x3d8/0x1580 [ 9392.073042][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9392.073042][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9392.073042][ T10] ipv6_add_addr+0x411/0x2000 [ 9392.073042][ T10] inet6_addr_add+0x30e/0xa40 [ 9392.073042][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9392.073042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9392.073042][ T10] netlink_rcv_skb+0x130/0x360 [ 9392.073042][ T10] netlink_unicast+0x449/0x710 [ 9392.073042][ T10] netlink_sendmsg+0x723/0xbe0 [ 9392.073042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9392.073042][ T10] ___sys_sendmsg+0xee/0x170 [ 9392.073042][ T10] __sys_sendmsg+0xcd/0x170 [ 9392.073042][ T10] do_syscall_64+0xc6/0x1e0 [ 9392.073042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9392.073042][ T10] [ 9392.075309][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9392.075309][ T10] netdev_get_by_index+0x5e/0x80 [ 9392.075309][ T10] fib6_nh_init+0x3d8/0x1580 [ 9392.075309][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9392.075309][ T10] ip6_route_add+0x1c/0x140 [ 9392.075309][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9392.075309][ T10] addrconf_add_dev+0xe2/0x170 [ 9392.075309][ T10] inet6_addr_add+0x12f/0xa40 [ 9392.075309][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9392.075309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9392.075309][ T10] netlink_rcv_skb+0x130/0x360 [ 9392.075309][ T10] netlink_unicast+0x449/0x710 [ 9392.075309][ T10] netlink_sendmsg+0x723/0xbe0 [ 9392.075309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9392.075309][ T10] ___sys_sendmsg+0xee/0x170 [ 9392.075309][ T10] __sys_sendmsg+0xcd/0x170 [ 9392.075309][ T10] do_syscall_64+0xc6/0x1e0 [ 9392.075309][ T10] [ 9392.077522][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9392.077522][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9392.077522][ T10] ipv6_find_idev+0x102/0x170 [ 9392.077522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9392.077522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9392.077522][ T10] netlink_rcv_skb+0x130/0x360 [ 9392.077522][ T10] netlink_unicast+0x449/0x710 [ 9392.077522][ T10] netlink_sendmsg+0x723/0xbe0 [ 9392.077522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9392.077522][ T10] ___sys_sendmsg+0xee/0x170 [ 9392.077522][ T10] __sys_sendmsg+0xcd/0x170 [ 9392.077522][ T10] do_syscall_64+0xc6/0x1e0 [ 9392.077522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9392.077522][ T10] [ 9392.079758][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9392.079758][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9392.079758][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9392.079758][ T10] ipv6_find_idev+0x102/0x170 [ 9392.079758][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9392.079758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9392.079758][ T10] netlink_rcv_skb+0x130/0x360 [ 9392.079758][ T10] netlink_unicast+0x449/0x710 [ 9392.079758][ T10] netlink_sendmsg+0x723/0xbe0 [ 9392.079758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9392.079758][ T10] ___sys_sendmsg+0xee/0x170 [ 9392.079758][ T10] __sys_sendmsg+0xcd/0x170 [ 9392.079758][ T10] do_syscall_64+0xc6/0x1e0 [ 9392.079758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9392.079758][ T10] [ 9392.081648][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9392.081915][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9392.081915][ T10] netdev_get_by_index+0x5e/0x80 [ 9392.081915][ T10] fib6_nh_init+0x3d8/0x1580 [ 9392.081915][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9392.081915][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9392.081915][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9392.081915][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9392.081915][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9392.081915][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9392.081915][ T10] addrconf_dad_begin+0x310/0x670 [ 9392.081915][ T10] addrconf_dad_work+0x10b/0xab0 [ 9392.081915][ T10] process_one_work+0x84d/0x18a0 [ 9392.081915][ T10] worker_thread+0x587/0xd30 [ 9392.081915][ T10] kthread+0x28a/0x350 [ 9392.081915][ T10] ret_from_fork+0x31/0x70 [ 9392.081915][ T10] ret_from_fork_asm+0x1a/0x30 [ 9392.081915][ T10] [ 9392.084077][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9392.084077][ T10] netdev_get_by_index+0x5e/0x80 [ 9392.084077][ T10] fib6_nh_init+0x3d8/0x1580 [ 9392.084077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9392.084077][ T10] ip6_route_add+0x1c/0x140 [ 9392.084077][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9392.084077][ T10] inet6_addr_add+0x4f8/0xa40 [ 9392.084077][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9392.084077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9392.084077][ T10] netlink_rcv_skb+0x130/0x360 [ 9392.084077][ T10] netlink_unicast+0x449/0x710 [ 9392.084077][ T10] netlink_sendmsg+0x723/0xbe0 [ 9392.084077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9392.084077][ T10] ___sys_sendmsg+0xee/0x170 [ 9392.084077][ T10] __sys_sendmsg+0xcd/0x170 [ 9392.084077][ T10] do_syscall_64+0xc6/0x1e0 [ 9392.084077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9392.084077][ T10] [ 9392.086501][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9392.086501][ T10] netdev_get_by_index+0x5e/0x80 [ 9392.086501][ T10] fib6_nh_init+0x3d8/0x1580 [ 9392.086501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9392.086501][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9392.086501][ T10] ipv6_add_addr+0x411/0x2000 [ 9392.086501][ T10] inet6_addr_add+0x30e/0xa40 [ 9392.086501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9392.086501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9392.086501][ T10] netlink_rcv_skb+0x130/0x360 [ 9392.086501][ T10] netlink_unicast+0x449/0x710 [ 9392.086501][ T10] netlink_sendmsg+0x723/0xbe0 [ 9392.086501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9392.086501][ T10] ___sys_sendmsg+0xee/0x170 [ 9392.086501][ T10] __sys_sendmsg+0xcd/0x170 [ 9392.086501][ T10] do_syscall_64+0xc6/0x1e0 [ 9392.086501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9392.086501][ T10] [ 9392.089040][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9392.089040][ T10] netdev_get_by_index+0x5e/0x80 [ 9392.089040][ T10] fib6_nh_init+0x3d8/0x1580 [ 9392.089040][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9392.089040][ T10] ip6_route_add+0x1c/0x140 [ 9392.089040][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9392.089040][ T10] addrconf_add_dev+0xe2/0x170 [ 9392.089040][ T10] inet6_addr_add+0x12f/0xa40 [ 9392.089040][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9392.089040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9392.089040][ T10] netlink_rcv_skb+0x130/0x360 [ 9392.089040][ T10] netlink_unicast+0x449/0x710 [ 9392.089040][ T10] netlink_sendmsg+0x723/0xbe0 [ 9392.089040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9392.089040][ T10] ___sys_sendmsg+0xee/0x170 [ 9392.089040][ T10] __sys_sendmsg+0xcd/0x170 [ 9392.089040][ T10] do_syscall_64+0xc6/0x1e0 [ 9392.089040][ T10] [ 9392.091420][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9392.091420][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9392.091420][ T10] ipv6_find_idev+0x102/0x170 [ 9392.091420][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9392.091420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9392.091420][ T10] netlink_rcv_skb+0x130/0x360 [ 9392.091420][ T10] netlink_unicast+0x449/0x710 [ 9392.091420][ T10] netlink_sendmsg+0x723/0xbe0 [ 9392.091420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9392.091420][ T10] ___sys_sendmsg+0xee/0x170 [ 9392.091420][ T10] __sys_sendmsg+0xcd/0x170 [ 9392.091420][ T10] do_syscall_64+0xc6/0x1e0 [ 9392.091420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9392.091420][ T10] [ 9392.093324][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9392.093324][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9392.093324][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9392.093324][ T10] ipv6_find_idev+0x102/0x170 [ 9392.093324][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9392.093324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9392.093324][ T10] netlink_rcv_skb+0x130/0x360 [ 9392.093324][ T10] netlink_unicast+0x449/0x710 [ 9392.093324][ T10] netlink_sendmsg+0x723/0xbe0 [ 9392.093324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9392.093324][ T10] ___sys_sendmsg+0xee/0x170 [ 9392.093324][ T10] __sys_sendmsg+0xcd/0x170 [ 9392.093324][ T10] do_syscall_64+0xc6/0x1e0 [ 9392.093324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9392.093324][ T10] [ 9392.095463][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9392.095723][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9392.095723][ T10] netdev_get_by_index+0x5e/0x80 [ 9392.095723][ T10] fib6_nh_init+0x3d8/0x1580 [ 9392.095723][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9392.095723][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9392.095723][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9392.095723][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9392.095723][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9392.095723][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9392.095723][ T10] addrconf_dad_begin+0x310/0x670 [ 9392.095723][ T10] addrconf_dad_work+0x10b/0xab0 [ 9392.095723][ T10] process_one_work+0x84d/0x18a0 [ 9392.095723][ T10] worker_thread+0x587/0xd30 [ 9392.095723][ T10] kthread+0x28a/0x350 [ 9392.095723][ T10] ret_from_fork+0x31/0x70 [ 9392.095723][ T10] ret_from_fork_asm+0x1a/0x30 [ 9392.095723][ T10] [ 9392.098164][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9392.098164][ T10] netdev_get_by_index+0x5e/0x80 [ 9392.098164][ T10] fib6_nh_init+0x3d8/0x1580 [ 9392.098164][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9392.098164][ T10] ip6_route_add+0x1c/0x140 [ 9392.098164][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9392.098164][ T10] inet6_addr_add+0x4f8/0xa40 [ 9392.098164][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9392.098164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9392.098164][ T10] netlink_rcv_skb+0x130/0x360 [ 9392.098164][ T10] netlink_unicast+0x449/0x710 [ 9392.098164][ T10] netlink_sendmsg+0x723/0xbe0 [ 9392.098164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9392.098164][ T10] ___sys_sendmsg+0xee/0x170 [ 9392.098164][ T10] __sys_sendmsg+0xcd/0x170 [ 9392.098164][ T10] do_syscall_64+0xc6/0x1e0 [ 9392.098164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9392.098164][ T10] [ 9392.100585][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9392.100585][ T10] netdev_get_by_index+0x5e/0x80 [ 9392.100585][ T10] fib6_nh_init+0x3d8/0x1580 [ 9392.100585][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9392.100585][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9392.100585][ T10] ipv6_add_addr+0x411/0x2000 [ 9392.100585][ T10] inet6_addr_add+0x30e/0xa40 [ 9392.100585][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9392.100585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9392.100585][ T10] netlink_rcv_skb+0x130/0x360 [ 9392.100585][ T10] netlink_unicast+0x449/0x710 [ 9392.100585][ T10] netlink_sendmsg+0x723/0xbe0 [ 9392.100585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9392.100585][ T10] ___sys_sendmsg+0xee/0x170 [ 9392.100585][ T10] __sys_sendmsg+0xcd/0x170 [ 9392.100585][ T10] do_syscall_64+0xc6/0x1e0 [ 9392.100585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9392.100585][ T10] [ 9392.103072][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9392.103072][ T10] netdev_get_by_index+0x5e/0x80 [ 9392.103072][ T10] fib6_nh_init+0x3d8/0x1580 [ 9392.103072][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9392.103072][ T10] ip6_route_add+0x1c/0x140 [ 9392.103072][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9392.103072][ T10] addrconf_add_dev+0xe2/0x170 [ 9392.103072][ T10] inet6_addr_add+0x12f/0xa40 [ 9392.103072][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9392.103072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9392.103072][ T10] netlink_rcv_skb+0x130/0x360 [ 9392.103072][ T10] netlink_unicast+0x449/0x710 [ 9392.103072][ T10] netlink_sendmsg+0x723/0xbe0 [ 9392.103072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9392.103072][ T10] ___sys_sendmsg+0xee/0x170 [ 9392.103072][ T10] __sys_sendmsg+0xcd/0x170 [ 9392.103072][ T10] do_syscall_64+0xc6/0x1e0 [ 9392.103072][ T10] [ 9392.105589][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9392.105589][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9392.105589][ T10] ipv6_find_idev+0x102/0x170 [ 9392.105589][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9392.105589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9392.105589][ T10] netlink_rcv_skb+0x130/0x360 [ 9392.105589][ T10] netlink_unicast+0x449/0x710 [ 9392.105589][ T10] netlink_sendmsg+0x723/0xbe0 [ 9392.105589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9392.105589][ T10] ___sys_sendmsg+0xee/0x170 [ 9392.105589][ T10] __sys_sendmsg+0xcd/0x170 [ 9392.105589][ T10] do_syscall_64+0xc6/0x1e0 [ 9392.105589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9392.105589][ T10] [ 9392.107511][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9392.107511][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9392.107511][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9392.107511][ T10] ipv6_find_idev+0x102/0x170 [ 9392.107511][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9392.107511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9392.107511][ T10] netlink_rcv_skb+0x130/0x360 [ 9392.107511][ T10] netlink_unicast+0x449/0x710 [ 9392.107511][ T10] netlink_sendmsg+0x723/0xbe0 [ 9392.107511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9392.107511][ T10] ___sys_sendmsg+0xee/0x170 [ 9392.107511][ T10] __sys_sendmsg+0xcd/0x170 [ 9392.107511][ T10] do_syscall_64+0xc6/0x1e0 [ 9392.107511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9392.107511][ T10] [ 9397.425074][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9397.425589][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9397.425589][ T1167] dst_init+0x84/0x4a0 [ 9397.425589][ T1167] dst_alloc+0x97/0x150 [ 9397.425589][ T1167] ip6_dst_alloc+0x23/0x90 [ 9397.425589][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9397.425589][ T1167] ip6_pol_route+0x56f/0x840 [ 9397.425589][ T1167] fib6_rule_lookup+0x334/0x630 [ 9397.425589][ T1167] ip6_route_output_flags+0x259/0x480 [ 9397.425589][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9397.425589][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9397.425589][ T1167] netlink_rcv_skb+0x130/0x360 [ 9397.425589][ T1167] netlink_unicast+0x449/0x710 [ 9397.425589][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9397.425589][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9397.425589][ T1167] ___sys_sendmsg+0xee/0x170 [ 9397.425589][ T1167] __sys_sendmsg+0xcd/0x170 [ 9397.425589][ T1167] do_syscall_64+0xc6/0x1e0 [ 9397.425589][ T1167] [ 9397.427981][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9397.427981][ T1167] netdev_get_by_index+0x5e/0x80 [ 9397.427981][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9397.427981][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9397.427981][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9397.427981][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9397.427981][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9397.427981][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9397.427981][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9397.427981][ T1167] addrconf_dad_begin+0x310/0x670 [ 9397.427981][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9397.427981][ T1167] process_one_work+0x84d/0x18a0 [ 9397.427981][ T1167] worker_thread+0x587/0xd30 [ 9397.427981][ T1167] kthread+0x28a/0x350 [ 9397.427981][ T1167] ret_from_fork+0x31/0x70 [ 9397.427981][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9397.427981][ T1167] [ 9397.430463][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9397.430463][ T1167] netdev_get_by_index+0x5e/0x80 [ 9397.430463][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9397.430463][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9397.430463][ T1167] ip6_route_add+0x1c/0x140 [ 9397.430463][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9397.430463][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9397.430463][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9397.430463][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9397.430463][ T1167] netlink_rcv_skb+0x130/0x360 [ 9397.430463][ T1167] netlink_unicast+0x449/0x710 [ 9397.430463][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9397.430463][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9397.430463][ T1167] ___sys_sendmsg+0xee/0x170 [ 9397.430463][ T1167] __sys_sendmsg+0xcd/0x170 [ 9397.430463][ T1167] do_syscall_64+0xc6/0x1e0 [ 9397.430463][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9397.430463][ T1167] [ 9397.432956][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9397.432956][ T1167] netdev_get_by_index+0x5e/0x80 [ 9397.432956][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9397.432956][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9397.432956][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9397.432956][ T1167] ipv6_add_addr+0x411/0x2000 [ 9397.432956][ T1167] inet6_addr_add+0x30e/0xa40 [ 9397.432956][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9397.432956][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9397.432956][ T1167] netlink_rcv_skb+0x130/0x360 [ 9397.432956][ T1167] netlink_unicast+0x449/0x710 [ 9397.432956][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9397.432956][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9397.432956][ T1167] ___sys_sendmsg+0xee/0x170 [ 9397.432956][ T1167] __sys_sendmsg+0xcd/0x170 [ 9397.432956][ T1167] do_syscall_64+0xc6/0x1e0 [ 9397.432956][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9397.432956][ T1167] [ 9397.435470][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9397.435470][ T1167] netdev_get_by_index+0x5e/0x80 [ 9397.435470][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9397.435470][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9397.435470][ T1167] ip6_route_add+0x1c/0x140 [ 9397.435470][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9397.435470][ T1167] addrconf_add_dev+0xe2/0x170 [ 9397.435470][ T1167] inet6_addr_add+0x12f/0xa40 [ 9397.435470][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9397.435470][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9397.435470][ T1167] netlink_rcv_skb+0x130/0x360 [ 9397.435470][ T1167] netlink_unicast+0x449/0x710 [ 9397.435470][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9397.435470][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9397.435470][ T1167] ___sys_sendmsg+0xee/0x170 [ 9397.435470][ T1167] __sys_sendmsg+0xcd/0x170 [ 9397.435470][ T1167] do_syscall_64+0xc6/0x1e0 [ 9397.435470][ T1167] [ 9397.437930][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9397.437930][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9397.437930][ T1167] ipv6_find_idev+0x102/0x170 [ 9397.437930][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9397.437930][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9397.437930][ T1167] netlink_rcv_skb+0x130/0x360 [ 9397.437930][ T1167] netlink_unicast+0x449/0x710 [ 9397.437930][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9397.437930][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9397.437930][ T1167] ___sys_sendmsg+0xee/0x170 [ 9397.437930][ T1167] __sys_sendmsg+0xcd/0x170 [ 9397.437930][ T1167] do_syscall_64+0xc6/0x1e0 [ 9397.437930][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9397.437930][ T1167] [ 9397.439865][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9397.439865][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9397.439865][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9397.439865][ T1167] ipv6_find_idev+0x102/0x170 [ 9397.439865][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9397.439865][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9397.439865][ T1167] netlink_rcv_skb+0x130/0x360 [ 9397.439865][ T1167] netlink_unicast+0x449/0x710 [ 9397.439865][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9397.439865][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9397.439865][ T1167] ___sys_sendmsg+0xee/0x170 [ 9397.439865][ T1167] __sys_sendmsg+0xcd/0x170 [ 9397.439865][ T1167] do_syscall_64+0xc6/0x1e0 [ 9397.439865][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9397.439865][ T1167] [ 9402.353128][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9402.353574][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9402.353574][ T10] netdev_get_by_index+0x5e/0x80 [ 9402.353574][ T10] fib6_nh_init+0x3d8/0x1580 [ 9402.353574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9402.353574][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9402.353574][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9402.353574][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9402.353574][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9402.353574][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9402.353574][ T10] addrconf_dad_begin+0x310/0x670 [ 9402.353574][ T10] addrconf_dad_work+0x10b/0xab0 [ 9402.353574][ T10] process_one_work+0x84d/0x18a0 [ 9402.353574][ T10] worker_thread+0x587/0xd30 [ 9402.353574][ T10] kthread+0x28a/0x350 [ 9402.353574][ T10] ret_from_fork+0x31/0x70 [ 9402.353574][ T10] ret_from_fork_asm+0x1a/0x30 [ 9402.353574][ T10] [ 9402.355788][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9402.355788][ T10] netdev_get_by_index+0x5e/0x80 [ 9402.355788][ T10] fib6_nh_init+0x3d8/0x1580 [ 9402.355788][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9402.355788][ T10] ip6_route_add+0x1c/0x140 [ 9402.355788][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9402.355788][ T10] inet6_addr_add+0x4f8/0xa40 [ 9402.355788][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9402.355788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9402.355788][ T10] netlink_rcv_skb+0x130/0x360 [ 9402.355788][ T10] netlink_unicast+0x449/0x710 [ 9402.355788][ T10] netlink_sendmsg+0x723/0xbe0 [ 9402.355788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9402.355788][ T10] ___sys_sendmsg+0xee/0x170 [ 9402.355788][ T10] __sys_sendmsg+0xcd/0x170 [ 9402.355788][ T10] do_syscall_64+0xc6/0x1e0 [ 9402.355788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9402.355788][ T10] [ 9402.358049][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9402.358049][ T10] netdev_get_by_index+0x5e/0x80 [ 9402.358049][ T10] fib6_nh_init+0x3d8/0x1580 [ 9402.358049][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9402.358049][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9402.358049][ T10] ipv6_add_addr+0x411/0x2000 [ 9402.358049][ T10] inet6_addr_add+0x30e/0xa40 [ 9402.358049][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9402.358049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9402.358049][ T10] netlink_rcv_skb+0x130/0x360 [ 9402.358049][ T10] netlink_unicast+0x449/0x710 [ 9402.358049][ T10] netlink_sendmsg+0x723/0xbe0 [ 9402.358049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9402.358049][ T10] ___sys_sendmsg+0xee/0x170 [ 9402.358049][ T10] __sys_sendmsg+0xcd/0x170 [ 9402.358049][ T10] do_syscall_64+0xc6/0x1e0 [ 9402.358049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9402.358049][ T10] [ 9402.360306][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9402.360306][ T10] netdev_get_by_index+0x5e/0x80 [ 9402.360306][ T10] fib6_nh_init+0x3d8/0x1580 [ 9402.360306][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9402.360306][ T10] ip6_route_add+0x1c/0x140 [ 9402.360306][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9402.360306][ T10] addrconf_add_dev+0xe2/0x170 [ 9402.360306][ T10] inet6_addr_add+0x12f/0xa40 [ 9402.360306][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9402.360306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9402.360306][ T10] netlink_rcv_skb+0x130/0x360 [ 9402.360306][ T10] netlink_unicast+0x449/0x710 [ 9402.360306][ T10] netlink_sendmsg+0x723/0xbe0 [ 9402.360306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9402.360306][ T10] ___sys_sendmsg+0xee/0x170 [ 9402.360306][ T10] __sys_sendmsg+0xcd/0x170 [ 9402.360306][ T10] do_syscall_64+0xc6/0x1e0 [ 9402.360306][ T10] [ 9402.362520][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9402.362520][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9402.362520][ T10] ipv6_find_idev+0x102/0x170 [ 9402.362520][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9402.362520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9402.362520][ T10] netlink_rcv_skb+0x130/0x360 [ 9402.362520][ T10] netlink_unicast+0x449/0x710 [ 9402.362520][ T10] netlink_sendmsg+0x723/0xbe0 [ 9402.362520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9402.362520][ T10] ___sys_sendmsg+0xee/0x170 [ 9402.362520][ T10] __sys_sendmsg+0xcd/0x170 [ 9402.362520][ T10] do_syscall_64+0xc6/0x1e0 [ 9402.362520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9402.362520][ T10] [ 9402.364271][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9402.364271][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9402.364271][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9402.364271][ T10] ipv6_find_idev+0x102/0x170 [ 9402.364271][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9402.364271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9402.364271][ T10] netlink_rcv_skb+0x130/0x360 [ 9402.364271][ T10] netlink_unicast+0x449/0x710 [ 9402.364271][ T10] netlink_sendmsg+0x723/0xbe0 [ 9402.364271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9402.364271][ T10] ___sys_sendmsg+0xee/0x170 [ 9402.364271][ T10] __sys_sendmsg+0xcd/0x170 [ 9402.364271][ T10] do_syscall_64+0xc6/0x1e0 [ 9402.364271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9402.364271][ T10] [ 9402.366166][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9402.366432][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9402.366432][ T10] netdev_get_by_index+0x5e/0x80 [ 9402.366432][ T10] fib6_nh_init+0x3d8/0x1580 [ 9402.366432][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9402.366432][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9402.366432][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9402.366432][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9402.366432][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9402.366432][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9402.366432][ T10] addrconf_dad_begin+0x310/0x670 [ 9402.366432][ T10] addrconf_dad_work+0x10b/0xab0 [ 9402.366432][ T10] process_one_work+0x84d/0x18a0 [ 9402.366432][ T10] worker_thread+0x587/0xd30 [ 9402.366432][ T10] kthread+0x28a/0x350 [ 9402.366432][ T10] ret_from_fork+0x31/0x70 [ 9402.366432][ T10] ret_from_fork_asm+0x1a/0x30 [ 9402.366432][ T10] [ 9402.368595][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9402.368595][ T10] netdev_get_by_index+0x5e/0x80 [ 9402.368595][ T10] fib6_nh_init+0x3d8/0x1580 [ 9402.368595][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9402.368595][ T10] ip6_route_add+0x1c/0x140 [ 9402.368595][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9402.368595][ T10] inet6_addr_add+0x4f8/0xa40 [ 9402.368595][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9402.368595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9402.368595][ T10] netlink_rcv_skb+0x130/0x360 [ 9402.368595][ T10] netlink_unicast+0x449/0x710 [ 9402.368595][ T10] netlink_sendmsg+0x723/0xbe0 [ 9402.368595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9402.368595][ T10] ___sys_sendmsg+0xee/0x170 [ 9402.368595][ T10] __sys_sendmsg+0xcd/0x170 [ 9402.368595][ T10] do_syscall_64+0xc6/0x1e0 [ 9402.368595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9402.368595][ T10] [ 9402.370851][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9402.370851][ T10] netdev_get_by_index+0x5e/0x80 [ 9402.370851][ T10] fib6_nh_init+0x3d8/0x1580 [ 9402.370851][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9402.370851][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9402.370851][ T10] ipv6_add_addr+0x411/0x2000 [ 9402.370851][ T10] inet6_addr_add+0x30e/0xa40 [ 9402.370851][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9402.370851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9402.370851][ T10] netlink_rcv_skb+0x130/0x360 [ 9402.370851][ T10] netlink_unicast+0x449/0x710 [ 9402.370851][ T10] netlink_sendmsg+0x723/0xbe0 [ 9402.370851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9402.370851][ T10] ___sys_sendmsg+0xee/0x170 [ 9402.370851][ T10] __sys_sendmsg+0xcd/0x170 [ 9402.370851][ T10] do_syscall_64+0xc6/0x1e0 [ 9402.370851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9402.370851][ T10] [ 9402.373104][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9402.373104][ T10] netdev_get_by_index+0x5e/0x80 [ 9402.373104][ T10] fib6_nh_init+0x3d8/0x1580 [ 9402.373104][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9402.373104][ T10] ip6_route_add+0x1c/0x140 [ 9402.373104][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9402.373104][ T10] addrconf_add_dev+0xe2/0x170 [ 9402.373104][ T10] inet6_addr_add+0x12f/0xa40 [ 9402.373104][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9402.373104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9402.373104][ T10] netlink_rcv_skb+0x130/0x360 [ 9402.373104][ T10] netlink_unicast+0x449/0x710 [ 9402.373104][ T10] netlink_sendmsg+0x723/0xbe0 [ 9402.373104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9402.373104][ T10] ___sys_sendmsg+0xee/0x170 [ 9402.373104][ T10] __sys_sendmsg+0xcd/0x170 [ 9402.373104][ T10] do_syscall_64+0xc6/0x1e0 [ 9402.373104][ T10] [ 9402.375321][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9402.375321][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9402.375321][ T10] ipv6_find_idev+0x102/0x170 [ 9402.375321][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9402.375321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9402.375321][ T10] netlink_rcv_skb+0x130/0x360 [ 9402.375321][ T10] netlink_unicast+0x449/0x710 [ 9402.375321][ T10] netlink_sendmsg+0x723/0xbe0 [ 9402.375321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9402.375321][ T10] ___sys_sendmsg+0xee/0x170 [ 9402.375321][ T10] __sys_sendmsg+0xcd/0x170 [ 9402.375321][ T10] do_syscall_64+0xc6/0x1e0 [ 9402.375321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9402.375321][ T10] [ 9402.377039][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9402.377039][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9402.377039][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9402.377039][ T10] ipv6_find_idev+0x102/0x170 [ 9402.377039][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9402.377039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9402.377039][ T10] netlink_rcv_skb+0x130/0x360 [ 9402.377039][ T10] netlink_unicast+0x449/0x710 [ 9402.377039][ T10] netlink_sendmsg+0x723/0xbe0 [ 9402.377039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9402.377039][ T10] ___sys_sendmsg+0xee/0x170 [ 9402.377039][ T10] __sys_sendmsg+0xcd/0x170 [ 9402.377039][ T10] do_syscall_64+0xc6/0x1e0 [ 9402.377039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9402.377039][ T10] [ 9402.378925][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9402.379192][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9402.379192][ T10] netdev_get_by_index+0x5e/0x80 [ 9402.379192][ T10] fib6_nh_init+0x3d8/0x1580 [ 9402.379192][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9402.379192][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9402.379192][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9402.379192][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9402.379192][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9402.379192][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9402.379192][ T10] addrconf_dad_begin+0x310/0x670 [ 9402.379192][ T10] addrconf_dad_work+0x10b/0xab0 [ 9402.379192][ T10] process_one_work+0x84d/0x18a0 [ 9402.379192][ T10] worker_thread+0x587/0xd30 [ 9402.379192][ T10] kthread+0x28a/0x350 [ 9402.379192][ T10] ret_from_fork+0x31/0x70 [ 9402.379192][ T10] ret_from_fork_asm+0x1a/0x30 [ 9402.379192][ T10] [ 9402.381366][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9402.381366][ T10] netdev_get_by_index+0x5e/0x80 [ 9402.381366][ T10] fib6_nh_init+0x3d8/0x1580 [ 9402.381366][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9402.381366][ T10] ip6_route_add+0x1c/0x140 [ 9402.381366][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9402.381366][ T10] inet6_addr_add+0x4f8/0xa40 [ 9402.381366][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9402.381366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9402.381366][ T10] netlink_rcv_skb+0x130/0x360 [ 9402.381366][ T10] netlink_unicast+0x449/0x710 [ 9402.381366][ T10] netlink_sendmsg+0x723/0xbe0 [ 9402.381366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9402.381366][ T10] ___sys_sendmsg+0xee/0x170 [ 9402.381366][ T10] __sys_sendmsg+0xcd/0x170 [ 9402.381366][ T10] do_syscall_64+0xc6/0x1e0 [ 9402.381366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9402.381366][ T10] [ 9402.383805][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9402.383805][ T10] netdev_get_by_index+0x5e/0x80 [ 9402.383805][ T10] fib6_nh_init+0x3d8/0x1580 [ 9402.383805][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9402.383805][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9402.383805][ T10] ipv6_add_addr+0x411/0x2000 [ 9402.383805][ T10] inet6_addr_add+0x30e/0xa40 [ 9402.383805][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9402.383805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9402.383805][ T10] netlink_rcv_skb+0x130/0x360 [ 9402.383805][ T10] netlink_unicast+0x449/0x710 [ 9402.383805][ T10] netlink_sendmsg+0x723/0xbe0 [ 9402.383805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9402.383805][ T10] ___sys_sendmsg+0xee/0x170 [ 9402.383805][ T10] __sys_sendmsg+0xcd/0x170 [ 9402.383805][ T10] do_syscall_64+0xc6/0x1e0 [ 9402.383805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9402.383805][ T10] [ 9402.386379][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9402.386379][ T10] netdev_get_by_index+0x5e/0x80 [ 9402.386379][ T10] fib6_nh_init+0x3d8/0x1580 [ 9402.386379][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9402.386379][ T10] ip6_route_add+0x1c/0x140 [ 9402.386379][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9402.386379][ T10] addrconf_add_dev+0xe2/0x170 [ 9402.386379][ T10] inet6_addr_add+0x12f/0xa40 [ 9402.386379][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9402.386379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9402.386379][ T10] netlink_rcv_skb+0x130/0x360 [ 9402.386379][ T10] netlink_unicast+0x449/0x710 [ 9402.386379][ T10] netlink_sendmsg+0x723/0xbe0 [ 9402.386379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9402.386379][ T10] ___sys_sendmsg+0xee/0x170 [ 9402.386379][ T10] __sys_sendmsg+0xcd/0x170 [ 9402.386379][ T10] do_syscall_64+0xc6/0x1e0 [ 9402.386379][ T10] [ 9402.388779][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9402.388779][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9402.388779][ T10] ipv6_find_idev+0x102/0x170 [ 9402.388779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9402.388779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9402.388779][ T10] netlink_rcv_skb+0x130/0x360 [ 9402.388779][ T10] netlink_unicast+0x449/0x710 [ 9402.388779][ T10] netlink_sendmsg+0x723/0xbe0 [ 9402.388779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9402.388779][ T10] ___sys_sendmsg+0xee/0x170 [ 9402.388779][ T10] __sys_sendmsg+0xcd/0x170 [ 9402.388779][ T10] do_syscall_64+0xc6/0x1e0 [ 9402.388779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9402.388779][ T10] [ 9402.390767][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9402.390767][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9402.390767][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9402.390767][ T10] ipv6_find_idev+0x102/0x170 [ 9402.390767][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9402.390767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9402.390767][ T10] netlink_rcv_skb+0x130/0x360 [ 9402.390767][ T10] netlink_unicast+0x449/0x710 [ 9402.390767][ T10] netlink_sendmsg+0x723/0xbe0 [ 9402.390767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9402.390767][ T10] ___sys_sendmsg+0xee/0x170 [ 9402.390767][ T10] __sys_sendmsg+0xcd/0x170 [ 9402.390767][ T10] do_syscall_64+0xc6/0x1e0 [ 9402.390767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9402.390767][ T10] [ 9402.392678][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9402.392914][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9402.392914][ T10] netdev_get_by_index+0x5e/0x80 [ 9402.392914][ T10] fib6_nh_init+0x3d8/0x1580 [ 9402.392914][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9402.392914][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9402.392914][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9402.392914][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9402.392914][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9402.392914][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9402.392914][ T10] addrconf_dad_begin+0x310/0x670 [ 9402.392914][ T10] addrconf_dad_work+0x10b/0xab0 [ 9402.392914][ T10] process_one_work+0x84d/0x18a0 [ 9402.392914][ T10] worker_thread+0x587/0xd30 [ 9402.392914][ T10] kthread+0x28a/0x350 [ 9402.392914][ T10] ret_from_fork+0x31/0x70 [ 9402.392914][ T10] ret_from_fork_asm+0x1a/0x30 [ 9402.392914][ T10] [ 9402.395126][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9402.395126][ T10] netdev_get_by_index+0x5e/0x80 [ 9402.395126][ T10] fib6_nh_init+0x3d8/0x1580 [ 9402.395126][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9402.395126][ T10] ip6_route_add+0x1c/0x140 [ 9402.395126][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9402.395126][ T10] inet6_addr_add+0x4f8/0xa40 [ 9402.395126][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9402.395126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9402.395126][ T10] netlink_rcv_skb+0x130/0x360 [ 9402.395126][ T10] netlink_unicast+0x449/0x710 [ 9402.395126][ T10] netlink_sendmsg+0x723/0xbe0 [ 9402.395126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9402.395126][ T10] ___sys_sendmsg+0xee/0x170 [ 9402.395126][ T10] __sys_sendmsg+0xcd/0x170 [ 9402.395126][ T10] do_syscall_64+0xc6/0x1e0 [ 9402.395126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9402.395126][ T10] [ 9402.397284][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9402.397284][ T10] netdev_get_by_index+0x5e/0x80 [ 9402.397284][ T10] fib6_nh_init+0x3d8/0x1580 [ 9402.397284][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9402.397284][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9402.397284][ T10] ipv6_add_addr+0x411/0x2000 [ 9402.397284][ T10] inet6_addr_add+0x30e/0xa40 [ 9402.397284][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9402.397284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9402.397284][ T10] netlink_rcv_skb+0x130/0x360 [ 9402.397284][ T10] netlink_unicast+0x449/0x710 [ 9402.397284][ T10] netlink_sendmsg+0x723/0xbe0 [ 9402.397284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9402.397284][ T10] ___sys_sendmsg+0xee/0x170 [ 9402.397284][ T10] __sys_sendmsg+0xcd/0x170 [ 9402.397284][ T10] do_syscall_64+0xc6/0x1e0 [ 9402.397284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9402.397284][ T10] [ 9402.399509][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9402.399509][ T10] netdev_get_by_index+0x5e/0x80 [ 9402.399509][ T10] fib6_nh_init+0x3d8/0x1580 [ 9402.399509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9402.399509][ T10] ip6_route_add+0x1c/0x140 [ 9402.399509][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9402.399509][ T10] addrconf_add_dev+0xe2/0x170 [ 9402.399509][ T10] inet6_addr_add+0x12f/0xa40 [ 9402.399509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9402.399509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9402.399509][ T10] netlink_rcv_skb+0x130/0x360 [ 9402.399509][ T10] netlink_unicast+0x449/0x710 [ 9402.399509][ T10] netlink_sendmsg+0x723/0xbe0 [ 9402.399509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9402.399509][ T10] ___sys_sendmsg+0xee/0x170 [ 9402.399509][ T10] __sys_sendmsg+0xcd/0x170 [ 9402.399509][ T10] do_syscall_64+0xc6/0x1e0 [ 9402.399509][ T10] [ 9402.401697][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9402.401697][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9402.401697][ T10] ipv6_find_idev+0x102/0x170 [ 9402.401697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9402.401697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9402.401697][ T10] netlink_rcv_skb+0x130/0x360 [ 9402.401697][ T10] netlink_unicast+0x449/0x710 [ 9402.401697][ T10] netlink_sendmsg+0x723/0xbe0 [ 9402.401697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9402.401697][ T10] ___sys_sendmsg+0xee/0x170 [ 9402.401697][ T10] __sys_sendmsg+0xcd/0x170 [ 9402.401697][ T10] do_syscall_64+0xc6/0x1e0 [ 9402.401697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9402.401697][ T10] [ 9402.403410][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9402.403410][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9402.403410][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9402.403410][ T10] ipv6_find_idev+0x102/0x170 [ 9402.403410][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9402.403410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9402.403410][ T10] netlink_rcv_skb+0x130/0x360 [ 9402.403410][ T10] netlink_unicast+0x449/0x710 [ 9402.403410][ T10] netlink_sendmsg+0x723/0xbe0 [ 9402.403410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9402.403410][ T10] ___sys_sendmsg+0xee/0x170 [ 9402.403410][ T10] __sys_sendmsg+0xcd/0x170 [ 9402.403410][ T10] do_syscall_64+0xc6/0x1e0 [ 9402.403410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9402.403410][ T10] [ 9407.681085][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9407.681692][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9407.681692][ T1167] dst_init+0x84/0x4a0 [ 9407.681692][ T1167] dst_alloc+0x97/0x150 [ 9407.681692][ T1167] ip6_dst_alloc+0x23/0x90 [ 9407.681692][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9407.681692][ T1167] ip6_pol_route+0x56f/0x840 [ 9407.681692][ T1167] fib6_rule_lookup+0x334/0x630 [ 9407.681692][ T1167] ip6_route_output_flags+0x259/0x480 [ 9407.681692][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9407.681692][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9407.681692][ T1167] netlink_rcv_skb+0x130/0x360 [ 9407.681692][ T1167] netlink_unicast+0x449/0x710 [ 9407.681692][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9407.681692][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9407.681692][ T1167] ___sys_sendmsg+0xee/0x170 [ 9407.681692][ T1167] __sys_sendmsg+0xcd/0x170 [ 9407.681692][ T1167] do_syscall_64+0xc6/0x1e0 [ 9407.681692][ T1167] [ 9407.684158][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9407.684158][ T1167] netdev_get_by_index+0x5e/0x80 [ 9407.684158][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9407.684158][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9407.684158][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9407.684158][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9407.684158][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9407.684158][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9407.684158][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9407.684158][ T1167] addrconf_dad_begin+0x310/0x670 [ 9407.684158][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9407.684158][ T1167] process_one_work+0x84d/0x18a0 [ 9407.684158][ T1167] worker_thread+0x587/0xd30 [ 9407.684158][ T1167] kthread+0x28a/0x350 [ 9407.684158][ T1167] ret_from_fork+0x31/0x70 [ 9407.684158][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9407.684158][ T1167] [ 9407.686396][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9407.686396][ T1167] netdev_get_by_index+0x5e/0x80 [ 9407.686396][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9407.686396][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9407.686396][ T1167] ip6_route_add+0x1c/0x140 [ 9407.686396][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9407.686396][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9407.686396][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9407.686396][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9407.686396][ T1167] netlink_rcv_skb+0x130/0x360 [ 9407.686396][ T1167] netlink_unicast+0x449/0x710 [ 9407.686396][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9407.686396][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9407.686396][ T1167] ___sys_sendmsg+0xee/0x170 [ 9407.686396][ T1167] __sys_sendmsg+0xcd/0x170 [ 9407.686396][ T1167] do_syscall_64+0xc6/0x1e0 [ 9407.686396][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9407.686396][ T1167] [ 9407.688629][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9407.688629][ T1167] netdev_get_by_index+0x5e/0x80 [ 9407.688629][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9407.688629][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9407.688629][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9407.688629][ T1167] ipv6_add_addr+0x411/0x2000 [ 9407.688629][ T1167] inet6_addr_add+0x30e/0xa40 [ 9407.688629][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9407.688629][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9407.688629][ T1167] netlink_rcv_skb+0x130/0x360 [ 9407.688629][ T1167] netlink_unicast+0x449/0x710 [ 9407.688629][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9407.688629][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9407.688629][ T1167] ___sys_sendmsg+0xee/0x170 [ 9407.688629][ T1167] __sys_sendmsg+0xcd/0x170 [ 9407.688629][ T1167] do_syscall_64+0xc6/0x1e0 [ 9407.688629][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9407.688629][ T1167] [ 9407.690863][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9407.690863][ T1167] netdev_get_by_index+0x5e/0x80 [ 9407.690863][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9407.690863][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9407.690863][ T1167] ip6_route_add+0x1c/0x140 [ 9407.690863][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9407.690863][ T1167] addrconf_add_dev+0xe2/0x170 [ 9407.690863][ T1167] inet6_addr_add+0x12f/0xa40 [ 9407.690863][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9407.690863][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9407.690863][ T1167] netlink_rcv_skb+0x130/0x360 [ 9407.690863][ T1167] netlink_unicast+0x449/0x710 [ 9407.690863][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9407.690863][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9407.690863][ T1167] ___sys_sendmsg+0xee/0x170 [ 9407.690863][ T1167] __sys_sendmsg+0xcd/0x170 [ 9407.690863][ T1167] do_syscall_64+0xc6/0x1e0 [ 9407.690863][ T1167] [ 9407.693150][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9407.693150][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9407.693150][ T1167] ipv6_find_idev+0x102/0x170 [ 9407.693150][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9407.693150][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9407.693150][ T1167] netlink_rcv_skb+0x130/0x360 [ 9407.693150][ T1167] netlink_unicast+0x449/0x710 [ 9407.693150][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9407.693150][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9407.693150][ T1167] ___sys_sendmsg+0xee/0x170 [ 9407.693150][ T1167] __sys_sendmsg+0xcd/0x170 [ 9407.693150][ T1167] do_syscall_64+0xc6/0x1e0 [ 9407.693150][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9407.693150][ T1167] [ 9407.694918][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9407.694918][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9407.694918][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9407.694918][ T1167] ipv6_find_idev+0x102/0x170 [ 9407.694918][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9407.694918][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9407.694918][ T1167] netlink_rcv_skb+0x130/0x360 [ 9407.694918][ T1167] netlink_unicast+0x449/0x710 [ 9407.694918][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9407.694918][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9407.694918][ T1167] ___sys_sendmsg+0xee/0x170 [ 9407.694918][ T1167] __sys_sendmsg+0xcd/0x170 [ 9407.694918][ T1167] do_syscall_64+0xc6/0x1e0 [ 9407.694918][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9407.694918][ T1167] [ 9412.641131][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9412.641540][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9412.641540][ T10] netdev_get_by_index+0x5e/0x80 [ 9412.641540][ T10] fib6_nh_init+0x3d8/0x1580 [ 9412.641540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9412.641540][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9412.641540][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9412.641540][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9412.641540][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9412.641540][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9412.641540][ T10] addrconf_dad_begin+0x310/0x670 [ 9412.641540][ T10] addrconf_dad_work+0x10b/0xab0 [ 9412.641540][ T10] process_one_work+0x84d/0x18a0 [ 9412.641540][ T10] worker_thread+0x587/0xd30 [ 9412.641540][ T10] kthread+0x28a/0x350 [ 9412.641540][ T10] ret_from_fork+0x31/0x70 [ 9412.641540][ T10] ret_from_fork_asm+0x1a/0x30 [ 9412.641540][ T10] [ 9412.643490][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9412.643490][ T10] netdev_get_by_index+0x5e/0x80 [ 9412.643490][ T10] fib6_nh_init+0x3d8/0x1580 [ 9412.643490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9412.643490][ T10] ip6_route_add+0x1c/0x140 [ 9412.643490][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9412.643490][ T10] inet6_addr_add+0x4f8/0xa40 [ 9412.643490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9412.643490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9412.643490][ T10] netlink_rcv_skb+0x130/0x360 [ 9412.643490][ T10] netlink_unicast+0x449/0x710 [ 9412.643490][ T10] netlink_sendmsg+0x723/0xbe0 [ 9412.643490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9412.643490][ T10] ___sys_sendmsg+0xee/0x170 [ 9412.643490][ T10] __sys_sendmsg+0xcd/0x170 [ 9412.643490][ T10] do_syscall_64+0xc6/0x1e0 [ 9412.643490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9412.643490][ T10] [ 9412.645519][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9412.645519][ T10] netdev_get_by_index+0x5e/0x80 [ 9412.645519][ T10] fib6_nh_init+0x3d8/0x1580 [ 9412.645519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9412.645519][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9412.645519][ T10] ipv6_add_addr+0x411/0x2000 [ 9412.645519][ T10] inet6_addr_add+0x30e/0xa40 [ 9412.645519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9412.645519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9412.645519][ T10] netlink_rcv_skb+0x130/0x360 [ 9412.645519][ T10] netlink_unicast+0x449/0x710 [ 9412.645519][ T10] netlink_sendmsg+0x723/0xbe0 [ 9412.645519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9412.645519][ T10] ___sys_sendmsg+0xee/0x170 [ 9412.645519][ T10] __sys_sendmsg+0xcd/0x170 [ 9412.645519][ T10] do_syscall_64+0xc6/0x1e0 [ 9412.645519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9412.645519][ T10] [ 9412.647521][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9412.647521][ T10] netdev_get_by_index+0x5e/0x80 [ 9412.647521][ T10] fib6_nh_init+0x3d8/0x1580 [ 9412.647521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9412.647521][ T10] ip6_route_add+0x1c/0x140 [ 9412.647521][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9412.647521][ T10] addrconf_add_dev+0xe2/0x170 [ 9412.647521][ T10] inet6_addr_add+0x12f/0xa40 [ 9412.647521][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9412.647521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9412.647521][ T10] netlink_rcv_skb+0x130/0x360 [ 9412.647521][ T10] netlink_unicast+0x449/0x710 [ 9412.647521][ T10] netlink_sendmsg+0x723/0xbe0 [ 9412.647521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9412.647521][ T10] ___sys_sendmsg+0xee/0x170 [ 9412.647521][ T10] __sys_sendmsg+0xcd/0x170 [ 9412.647521][ T10] do_syscall_64+0xc6/0x1e0 [ 9412.647521][ T10] [ 9412.649473][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9412.649473][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9412.649473][ T10] ipv6_find_idev+0x102/0x170 [ 9412.649473][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9412.649473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9412.649473][ T10] netlink_rcv_skb+0x130/0x360 [ 9412.649473][ T10] netlink_unicast+0x449/0x710 [ 9412.649473][ T10] netlink_sendmsg+0x723/0xbe0 [ 9412.649473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9412.649473][ T10] ___sys_sendmsg+0xee/0x170 [ 9412.649473][ T10] __sys_sendmsg+0xcd/0x170 [ 9412.649473][ T10] do_syscall_64+0xc6/0x1e0 [ 9412.649473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9412.649473][ T10] [ 9412.651013][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9412.651013][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9412.651013][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9412.651013][ T10] ipv6_find_idev+0x102/0x170 [ 9412.651013][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9412.651013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9412.651013][ T10] netlink_rcv_skb+0x130/0x360 [ 9412.651013][ T10] netlink_unicast+0x449/0x710 [ 9412.651013][ T10] netlink_sendmsg+0x723/0xbe0 [ 9412.651013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9412.651013][ T10] ___sys_sendmsg+0xee/0x170 [ 9412.651013][ T10] __sys_sendmsg+0xcd/0x170 [ 9412.651013][ T10] do_syscall_64+0xc6/0x1e0 [ 9412.651013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9412.651013][ T10] [ 9412.652699][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9412.652942][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9412.652942][ T10] netdev_get_by_index+0x5e/0x80 [ 9412.652942][ T10] fib6_nh_init+0x3d8/0x1580 [ 9412.652942][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9412.652942][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9412.652942][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9412.652942][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9412.652942][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9412.652942][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9412.652942][ T10] addrconf_dad_begin+0x310/0x670 [ 9412.652942][ T10] addrconf_dad_work+0x10b/0xab0 [ 9412.652942][ T10] process_one_work+0x84d/0x18a0 [ 9412.652942][ T10] worker_thread+0x587/0xd30 [ 9412.652942][ T10] kthread+0x28a/0x350 [ 9412.652942][ T10] ret_from_fork+0x31/0x70 [ 9412.652942][ T10] ret_from_fork_asm+0x1a/0x30 [ 9412.652942][ T10] [ 9412.654849][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9412.654849][ T10] netdev_get_by_index+0x5e/0x80 [ 9412.654849][ T10] fib6_nh_init+0x3d8/0x1580 [ 9412.654849][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9412.654849][ T10] ip6_route_add+0x1c/0x140 [ 9412.654849][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9412.654849][ T10] inet6_addr_add+0x4f8/0xa40 [ 9412.654849][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9412.654849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9412.654849][ T10] netlink_rcv_skb+0x130/0x360 [ 9412.654849][ T10] netlink_unicast+0x449/0x710 [ 9412.654849][ T10] netlink_sendmsg+0x723/0xbe0 [ 9412.654849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9412.654849][ T10] ___sys_sendmsg+0xee/0x170 [ 9412.654849][ T10] __sys_sendmsg+0xcd/0x170 [ 9412.654849][ T10] do_syscall_64+0xc6/0x1e0 [ 9412.654849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9412.654849][ T10] [ 9412.656833][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9412.656833][ T10] netdev_get_by_index+0x5e/0x80 [ 9412.656833][ T10] fib6_nh_init+0x3d8/0x1580 [ 9412.656833][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9412.656833][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9412.656833][ T10] ipv6_add_addr+0x411/0x2000 [ 9412.656833][ T10] inet6_addr_add+0x30e/0xa40 [ 9412.656833][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9412.656833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9412.656833][ T10] netlink_rcv_skb+0x130/0x360 [ 9412.656833][ T10] netlink_unicast+0x449/0x710 [ 9412.656833][ T10] netlink_sendmsg+0x723/0xbe0 [ 9412.656833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9412.656833][ T10] ___sys_sendmsg+0xee/0x170 [ 9412.656833][ T10] __sys_sendmsg+0xcd/0x170 [ 9412.656833][ T10] do_syscall_64+0xc6/0x1e0 [ 9412.656833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9412.656833][ T10] [ 9412.658813][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9412.658813][ T10] netdev_get_by_index+0x5e/0x80 [ 9412.658813][ T10] fib6_nh_init+0x3d8/0x1580 [ 9412.658813][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9412.658813][ T10] ip6_route_add+0x1c/0x140 [ 9412.658813][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9412.658813][ T10] addrconf_add_dev+0xe2/0x170 [ 9412.658813][ T10] inet6_addr_add+0x12f/0xa40 [ 9412.658813][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9412.658813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9412.658813][ T10] netlink_rcv_skb+0x130/0x360 [ 9412.658813][ T10] netlink_unicast+0x449/0x710 [ 9412.658813][ T10] netlink_sendmsg+0x723/0xbe0 [ 9412.658813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9412.658813][ T10] ___sys_sendmsg+0xee/0x170 [ 9412.658813][ T10] __sys_sendmsg+0xcd/0x170 [ 9412.658813][ T10] do_syscall_64+0xc6/0x1e0 [ 9412.658813][ T10] [ 9412.660758][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9412.660758][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9412.660758][ T10] ipv6_find_idev+0x102/0x170 [ 9412.660758][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9412.660758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9412.660758][ T10] netlink_rcv_skb+0x130/0x360 [ 9412.660758][ T10] netlink_unicast+0x449/0x710 [ 9412.660758][ T10] netlink_sendmsg+0x723/0xbe0 [ 9412.660758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9412.660758][ T10] ___sys_sendmsg+0xee/0x170 [ 9412.660758][ T10] __sys_sendmsg+0xcd/0x170 [ 9412.660758][ T10] do_syscall_64+0xc6/0x1e0 [ 9412.660758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9412.660758][ T10] [ 9412.662283][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9412.662283][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9412.662283][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9412.662283][ T10] ipv6_find_idev+0x102/0x170 [ 9412.662283][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9412.662283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9412.662283][ T10] netlink_rcv_skb+0x130/0x360 [ 9412.662283][ T10] netlink_unicast+0x449/0x710 [ 9412.662283][ T10] netlink_sendmsg+0x723/0xbe0 [ 9412.662283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9412.662283][ T10] ___sys_sendmsg+0xee/0x170 [ 9412.662283][ T10] __sys_sendmsg+0xcd/0x170 [ 9412.662283][ T10] do_syscall_64+0xc6/0x1e0 [ 9412.662283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9412.662283][ T10] [ 9412.663948][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9412.664202][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9412.664202][ T10] netdev_get_by_index+0x5e/0x80 [ 9412.664202][ T10] fib6_nh_init+0x3d8/0x1580 [ 9412.664202][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9412.664202][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9412.664202][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9412.664202][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9412.664202][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9412.664202][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9412.664202][ T10] addrconf_dad_begin+0x310/0x670 [ 9412.664202][ T10] addrconf_dad_work+0x10b/0xab0 [ 9412.664202][ T10] process_one_work+0x84d/0x18a0 [ 9412.664202][ T10] worker_thread+0x587/0xd30 [ 9412.664202][ T10] kthread+0x28a/0x350 [ 9412.664202][ T10] ret_from_fork+0x31/0x70 [ 9412.664202][ T10] ret_from_fork_asm+0x1a/0x30 [ 9412.664202][ T10] [ 9412.666466][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9412.666466][ T10] netdev_get_by_index+0x5e/0x80 [ 9412.666466][ T10] fib6_nh_init+0x3d8/0x1580 [ 9412.666466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9412.666466][ T10] ip6_route_add+0x1c/0x140 [ 9412.666466][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9412.666466][ T10] inet6_addr_add+0x4f8/0xa40 [ 9412.666466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9412.666466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9412.666466][ T10] netlink_rcv_skb+0x130/0x360 [ 9412.666466][ T10] netlink_unicast+0x449/0x710 [ 9412.666466][ T10] netlink_sendmsg+0x723/0xbe0 [ 9412.666466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9412.666466][ T10] ___sys_sendmsg+0xee/0x170 [ 9412.666466][ T10] __sys_sendmsg+0xcd/0x170 [ 9412.666466][ T10] do_syscall_64+0xc6/0x1e0 [ 9412.666466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9412.666466][ T10] [ 9412.669863][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9412.669863][ T10] netdev_get_by_index+0x5e/0x80 [ 9412.669863][ T10] fib6_nh_init+0x3d8/0x1580 [ 9412.669863][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9412.669863][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9412.669863][ T10] ipv6_add_addr+0x411/0x2000 [ 9412.669863][ T10] inet6_addr_add+0x30e/0xa40 [ 9412.669863][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9412.669863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9412.669863][ T10] netlink_rcv_skb+0x130/0x360 [ 9412.669863][ T10] netlink_unicast+0x449/0x710 [ 9412.669863][ T10] netlink_sendmsg+0x723/0xbe0 [ 9412.669863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9412.669863][ T10] ___sys_sendmsg+0xee/0x170 [ 9412.669863][ T10] __sys_sendmsg+0xcd/0x170 [ 9412.669863][ T10] do_syscall_64+0xc6/0x1e0 [ 9412.669863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9412.669863][ T10] [ 9412.673442][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9412.673442][ T10] netdev_get_by_index+0x5e/0x80 [ 9412.673442][ T10] fib6_nh_init+0x3d8/0x1580 [ 9412.673442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9412.673442][ T10] ip6_route_add+0x1c/0x140 [ 9412.673442][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9412.673442][ T10] addrconf_add_dev+0xe2/0x170 [ 9412.673442][ T10] inet6_addr_add+0x12f/0xa40 [ 9412.673442][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9412.673442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9412.673442][ T10] netlink_rcv_skb+0x130/0x360 [ 9412.673442][ T10] netlink_unicast+0x449/0x710 [ 9412.673442][ T10] netlink_sendmsg+0x723/0xbe0 [ 9412.673442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9412.673442][ T10] ___sys_sendmsg+0xee/0x170 [ 9412.673442][ T10] __sys_sendmsg+0xcd/0x170 [ 9412.673442][ T10] do_syscall_64+0xc6/0x1e0 [ 9412.673442][ T10] [ 9412.676779][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9412.676779][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9412.676779][ T10] ipv6_find_idev+0x102/0x170 [ 9412.676779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9412.676779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9412.676779][ T10] netlink_rcv_skb+0x130/0x360 [ 9412.676779][ T10] netlink_unicast+0x449/0x710 [ 9412.676779][ T10] netlink_sendmsg+0x723/0xbe0 [ 9412.676779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9412.676779][ T10] ___sys_sendmsg+0xee/0x170 [ 9412.676779][ T10] __sys_sendmsg+0xcd/0x170 [ 9412.676779][ T10] do_syscall_64+0xc6/0x1e0 [ 9412.676779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9412.676779][ T10] [ 9412.679448][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9412.679448][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9412.679448][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9412.679448][ T10] ipv6_find_idev+0x102/0x170 [ 9412.679448][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9412.679448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9412.679448][ T10] netlink_rcv_skb+0x130/0x360 [ 9412.679448][ T10] netlink_unicast+0x449/0x710 [ 9412.679448][ T10] netlink_sendmsg+0x723/0xbe0 [ 9412.679448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9412.679448][ T10] ___sys_sendmsg+0xee/0x170 [ 9412.679448][ T10] __sys_sendmsg+0xcd/0x170 [ 9412.679448][ T10] do_syscall_64+0xc6/0x1e0 [ 9412.679448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9412.679448][ T10] [ 9412.682450][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9412.682816][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9412.682816][ T10] netdev_get_by_index+0x5e/0x80 [ 9412.682816][ T10] fib6_nh_init+0x3d8/0x1580 [ 9412.682816][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9412.682816][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9412.682816][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9412.682816][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9412.682816][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9412.682816][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9412.682816][ T10] addrconf_dad_begin+0x310/0x670 [ 9412.682816][ T10] addrconf_dad_work+0x10b/0xab0 [ 9412.682816][ T10] process_one_work+0x84d/0x18a0 [ 9412.682816][ T10] worker_thread+0x587/0xd30 [ 9412.682816][ T10] kthread+0x28a/0x350 [ 9412.682816][ T10] ret_from_fork+0x31/0x70 [ 9412.682816][ T10] ret_from_fork_asm+0x1a/0x30 [ 9412.682816][ T10] [ 9412.686384][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9412.686384][ T10] netdev_get_by_index+0x5e/0x80 [ 9412.686384][ T10] fib6_nh_init+0x3d8/0x1580 [ 9412.686384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9412.686384][ T10] ip6_route_add+0x1c/0x140 [ 9412.686384][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9412.686384][ T10] inet6_addr_add+0x4f8/0xa40 [ 9412.686384][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9412.686384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9412.686384][ T10] netlink_rcv_skb+0x130/0x360 [ 9412.686384][ T10] netlink_unicast+0x449/0x710 [ 9412.686384][ T10] netlink_sendmsg+0x723/0xbe0 [ 9412.686384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9412.686384][ T10] ___sys_sendmsg+0xee/0x170 [ 9412.686384][ T10] __sys_sendmsg+0xcd/0x170 [ 9412.686384][ T10] do_syscall_64+0xc6/0x1e0 [ 9412.686384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9412.686384][ T10] [ 9412.689551][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9412.689551][ T10] netdev_get_by_index+0x5e/0x80 [ 9412.689551][ T10] fib6_nh_init+0x3d8/0x1580 [ 9412.689551][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9412.689551][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9412.689551][ T10] ipv6_add_addr+0x411/0x2000 [ 9412.689551][ T10] inet6_addr_add+0x30e/0xa40 [ 9412.689551][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9412.689551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9412.689551][ T10] netlink_rcv_skb+0x130/0x360 [ 9412.689551][ T10] netlink_unicast+0x449/0x710 [ 9412.689551][ T10] netlink_sendmsg+0x723/0xbe0 [ 9412.689551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9412.689551][ T10] ___sys_sendmsg+0xee/0x170 [ 9412.689551][ T10] __sys_sendmsg+0xcd/0x170 [ 9412.689551][ T10] do_syscall_64+0xc6/0x1e0 [ 9412.689551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9412.689551][ T10] [ 9412.692865][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9412.692865][ T10] netdev_get_by_index+0x5e/0x80 [ 9412.692865][ T10] fib6_nh_init+0x3d8/0x1580 [ 9412.692865][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9412.692865][ T10] ip6_route_add+0x1c/0x140 [ 9412.692865][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9412.692865][ T10] addrconf_add_dev+0xe2/0x170 [ 9412.692865][ T10] inet6_addr_add+0x12f/0xa40 [ 9412.692865][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9412.692865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9412.692865][ T10] netlink_rcv_skb+0x130/0x360 [ 9412.692865][ T10] netlink_unicast+0x449/0x710 [ 9412.692865][ T10] netlink_sendmsg+0x723/0xbe0 [ 9412.692865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9412.692865][ T10] ___sys_sendmsg+0xee/0x170 [ 9412.692865][ T10] __sys_sendmsg+0xcd/0x170 [ 9412.692865][ T10] do_syscall_64+0xc6/0x1e0 [ 9412.692865][ T10] [ 9412.696311][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9412.696311][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9412.696311][ T10] ipv6_find_idev+0x102/0x170 [ 9412.696311][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9412.696311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9412.696311][ T10] netlink_rcv_skb+0x130/0x360 [ 9412.696311][ T10] netlink_unicast+0x449/0x710 [ 9412.696311][ T10] netlink_sendmsg+0x723/0xbe0 [ 9412.696311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9412.696311][ T10] ___sys_sendmsg+0xee/0x170 [ 9412.696311][ T10] __sys_sendmsg+0xcd/0x170 [ 9412.696311][ T10] do_syscall_64+0xc6/0x1e0 [ 9412.696311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9412.696311][ T10] [ 9412.699772][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9412.699772][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9412.699772][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9412.699772][ T10] ipv6_find_idev+0x102/0x170 [ 9412.699772][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9412.699772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9412.699772][ T10] netlink_rcv_skb+0x130/0x360 [ 9412.699772][ T10] netlink_unicast+0x449/0x710 [ 9412.699772][ T10] netlink_sendmsg+0x723/0xbe0 [ 9412.699772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9412.699772][ T10] ___sys_sendmsg+0xee/0x170 [ 9412.699772][ T10] __sys_sendmsg+0xcd/0x170 [ 9412.699772][ T10] do_syscall_64+0xc6/0x1e0 [ 9412.699772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9412.699772][ T10] [ 9417.937110][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9417.937528][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9417.937528][ T1167] dst_init+0x84/0x4a0 [ 9417.937528][ T1167] dst_alloc+0x97/0x150 [ 9417.937528][ T1167] ip6_dst_alloc+0x23/0x90 [ 9417.937528][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9417.937528][ T1167] ip6_pol_route+0x56f/0x840 [ 9417.937528][ T1167] fib6_rule_lookup+0x334/0x630 [ 9417.937528][ T1167] ip6_route_output_flags+0x259/0x480 [ 9417.937528][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9417.937528][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9417.937528][ T1167] netlink_rcv_skb+0x130/0x360 [ 9417.937528][ T1167] netlink_unicast+0x449/0x710 [ 9417.937528][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9417.937528][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9417.937528][ T1167] ___sys_sendmsg+0xee/0x170 [ 9417.937528][ T1167] __sys_sendmsg+0xcd/0x170 [ 9417.937528][ T1167] do_syscall_64+0xc6/0x1e0 [ 9417.937528][ T1167] [ 9417.939738][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9417.939738][ T1167] netdev_get_by_index+0x5e/0x80 [ 9417.939738][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9417.939738][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9417.939738][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9417.939738][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9417.939738][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9417.939738][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9417.939738][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9417.939738][ T1167] addrconf_dad_begin+0x310/0x670 [ 9417.939738][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9417.939738][ T1167] process_one_work+0x84d/0x18a0 [ 9417.939738][ T1167] worker_thread+0x587/0xd30 [ 9417.939738][ T1167] kthread+0x28a/0x350 [ 9417.939738][ T1167] ret_from_fork+0x31/0x70 [ 9417.939738][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9417.939738][ T1167] [ 9417.941975][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9417.941975][ T1167] netdev_get_by_index+0x5e/0x80 [ 9417.941975][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9417.941975][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9417.941975][ T1167] ip6_route_add+0x1c/0x140 [ 9417.941975][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9417.941975][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9417.941975][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9417.941975][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9417.941975][ T1167] netlink_rcv_skb+0x130/0x360 [ 9417.941975][ T1167] netlink_unicast+0x449/0x710 [ 9417.941975][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9417.941975][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9417.941975][ T1167] ___sys_sendmsg+0xee/0x170 [ 9417.941975][ T1167] __sys_sendmsg+0xcd/0x170 [ 9417.941975][ T1167] do_syscall_64+0xc6/0x1e0 [ 9417.941975][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9417.941975][ T1167] [ 9417.944290][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9417.944290][ T1167] netdev_get_by_index+0x5e/0x80 [ 9417.944290][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9417.944290][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9417.944290][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9417.944290][ T1167] ipv6_add_addr+0x411/0x2000 [ 9417.944290][ T1167] inet6_addr_add+0x30e/0xa40 [ 9417.944290][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9417.944290][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9417.944290][ T1167] netlink_rcv_skb+0x130/0x360 [ 9417.944290][ T1167] netlink_unicast+0x449/0x710 [ 9417.944290][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9417.944290][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9417.944290][ T1167] ___sys_sendmsg+0xee/0x170 [ 9417.944290][ T1167] __sys_sendmsg+0xcd/0x170 [ 9417.944290][ T1167] do_syscall_64+0xc6/0x1e0 [ 9417.944290][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9417.944290][ T1167] [ 9417.946531][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9417.946531][ T1167] netdev_get_by_index+0x5e/0x80 [ 9417.946531][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9417.946531][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9417.946531][ T1167] ip6_route_add+0x1c/0x140 [ 9417.946531][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9417.946531][ T1167] addrconf_add_dev+0xe2/0x170 [ 9417.946531][ T1167] inet6_addr_add+0x12f/0xa40 [ 9417.946531][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9417.946531][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9417.946531][ T1167] netlink_rcv_skb+0x130/0x360 [ 9417.946531][ T1167] netlink_unicast+0x449/0x710 [ 9417.946531][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9417.946531][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9417.946531][ T1167] ___sys_sendmsg+0xee/0x170 [ 9417.946531][ T1167] __sys_sendmsg+0xcd/0x170 [ 9417.946531][ T1167] do_syscall_64+0xc6/0x1e0 [ 9417.946531][ T1167] [ 9417.948741][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9417.948741][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9417.948741][ T1167] ipv6_find_idev+0x102/0x170 [ 9417.948741][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9417.948741][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9417.948741][ T1167] netlink_rcv_skb+0x130/0x360 [ 9417.948741][ T1167] netlink_unicast+0x449/0x710 [ 9417.948741][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9417.948741][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9417.948741][ T1167] ___sys_sendmsg+0xee/0x170 [ 9417.948741][ T1167] __sys_sendmsg+0xcd/0x170 [ 9417.948741][ T1167] do_syscall_64+0xc6/0x1e0 [ 9417.948741][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9417.948741][ T1167] [ 9417.950464][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9417.950464][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9417.950464][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9417.950464][ T1167] ipv6_find_idev+0x102/0x170 [ 9417.950464][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9417.950464][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9417.950464][ T1167] netlink_rcv_skb+0x130/0x360 [ 9417.950464][ T1167] netlink_unicast+0x449/0x710 [ 9417.950464][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9417.950464][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9417.950464][ T1167] ___sys_sendmsg+0xee/0x170 [ 9417.950464][ T1167] __sys_sendmsg+0xcd/0x170 [ 9417.950464][ T1167] do_syscall_64+0xc6/0x1e0 [ 9417.950464][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9417.950464][ T1167] [ 9422.945186][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9422.945537][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9422.945537][ T10] netdev_get_by_index+0x5e/0x80 [ 9422.945537][ T10] fib6_nh_init+0x3d8/0x1580 [ 9422.945537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9422.945537][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9422.945537][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9422.945537][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9422.945537][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9422.945537][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9422.945537][ T10] addrconf_dad_begin+0x310/0x670 [ 9422.945537][ T10] addrconf_dad_work+0x10b/0xab0 [ 9422.945537][ T10] process_one_work+0x84d/0x18a0 [ 9422.945537][ T10] worker_thread+0x587/0xd30 [ 9422.945537][ T10] kthread+0x28a/0x350 [ 9422.945537][ T10] ret_from_fork+0x31/0x70 [ 9422.945537][ T10] ret_from_fork_asm+0x1a/0x30 [ 9422.945537][ T10] [ 9422.947451][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9422.947451][ T10] netdev_get_by_index+0x5e/0x80 [ 9422.947451][ T10] fib6_nh_init+0x3d8/0x1580 [ 9422.947451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9422.947451][ T10] ip6_route_add+0x1c/0x140 [ 9422.947451][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9422.947451][ T10] inet6_addr_add+0x4f8/0xa40 [ 9422.947451][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9422.947451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9422.947451][ T10] netlink_rcv_skb+0x130/0x360 [ 9422.947451][ T10] netlink_unicast+0x449/0x710 [ 9422.947451][ T10] netlink_sendmsg+0x723/0xbe0 [ 9422.947451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9422.947451][ T10] ___sys_sendmsg+0xee/0x170 [ 9422.947451][ T10] __sys_sendmsg+0xcd/0x170 [ 9422.947451][ T10] do_syscall_64+0xc6/0x1e0 [ 9422.947451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9422.947451][ T10] [ 9422.949451][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9422.949451][ T10] netdev_get_by_index+0x5e/0x80 [ 9422.949451][ T10] fib6_nh_init+0x3d8/0x1580 [ 9422.949451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9422.949451][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9422.949451][ T10] ipv6_add_addr+0x411/0x2000 [ 9422.949451][ T10] inet6_addr_add+0x30e/0xa40 [ 9422.949451][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9422.949451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9422.949451][ T10] netlink_rcv_skb+0x130/0x360 [ 9422.949451][ T10] netlink_unicast+0x449/0x710 [ 9422.949451][ T10] netlink_sendmsg+0x723/0xbe0 [ 9422.949451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9422.949451][ T10] ___sys_sendmsg+0xee/0x170 [ 9422.949451][ T10] __sys_sendmsg+0xcd/0x170 [ 9422.949451][ T10] do_syscall_64+0xc6/0x1e0 [ 9422.949451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9422.949451][ T10] [ 9422.951438][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9422.951438][ T10] netdev_get_by_index+0x5e/0x80 [ 9422.951438][ T10] fib6_nh_init+0x3d8/0x1580 [ 9422.951438][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9422.951438][ T10] ip6_route_add+0x1c/0x140 [ 9422.951438][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9422.951438][ T10] addrconf_add_dev+0xe2/0x170 [ 9422.951438][ T10] inet6_addr_add+0x12f/0xa40 [ 9422.951438][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9422.951438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9422.951438][ T10] netlink_rcv_skb+0x130/0x360 [ 9422.951438][ T10] netlink_unicast+0x449/0x710 [ 9422.951438][ T10] netlink_sendmsg+0x723/0xbe0 [ 9422.951438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9422.951438][ T10] ___sys_sendmsg+0xee/0x170 [ 9422.951438][ T10] __sys_sendmsg+0xcd/0x170 [ 9422.951438][ T10] do_syscall_64+0xc6/0x1e0 [ 9422.951438][ T10] [ 9422.953391][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9422.953391][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9422.953391][ T10] ipv6_find_idev+0x102/0x170 [ 9422.953391][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9422.953391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9422.953391][ T10] netlink_rcv_skb+0x130/0x360 [ 9422.953391][ T10] netlink_unicast+0x449/0x710 [ 9422.953391][ T10] netlink_sendmsg+0x723/0xbe0 [ 9422.953391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9422.953391][ T10] ___sys_sendmsg+0xee/0x170 [ 9422.953391][ T10] __sys_sendmsg+0xcd/0x170 [ 9422.953391][ T10] do_syscall_64+0xc6/0x1e0 [ 9422.953391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9422.953391][ T10] [ 9422.954922][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9422.954922][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9422.954922][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9422.954922][ T10] ipv6_find_idev+0x102/0x170 [ 9422.954922][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9422.954922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9422.954922][ T10] netlink_rcv_skb+0x130/0x360 [ 9422.954922][ T10] netlink_unicast+0x449/0x710 [ 9422.954922][ T10] netlink_sendmsg+0x723/0xbe0 [ 9422.954922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9422.954922][ T10] ___sys_sendmsg+0xee/0x170 [ 9422.954922][ T10] __sys_sendmsg+0xcd/0x170 [ 9422.954922][ T10] do_syscall_64+0xc6/0x1e0 [ 9422.954922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9422.954922][ T10] [ 9422.956601][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9422.956839][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9422.956839][ T10] netdev_get_by_index+0x5e/0x80 [ 9422.956839][ T10] fib6_nh_init+0x3d8/0x1580 [ 9422.956839][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9422.956839][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9422.956839][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9422.956839][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9422.956839][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9422.956839][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9422.956839][ T10] addrconf_dad_begin+0x310/0x670 [ 9422.956839][ T10] addrconf_dad_work+0x10b/0xab0 [ 9422.956839][ T10] process_one_work+0x84d/0x18a0 [ 9422.956839][ T10] worker_thread+0x587/0xd30 [ 9422.956839][ T10] kthread+0x28a/0x350 [ 9422.956839][ T10] ret_from_fork+0x31/0x70 [ 9422.956839][ T10] ret_from_fork_asm+0x1a/0x30 [ 9422.956839][ T10] [ 9422.958728][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9422.958728][ T10] netdev_get_by_index+0x5e/0x80 [ 9422.958728][ T10] fib6_nh_init+0x3d8/0x1580 [ 9422.958728][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9422.958728][ T10] ip6_route_add+0x1c/0x140 [ 9422.958728][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9422.958728][ T10] inet6_addr_add+0x4f8/0xa40 [ 9422.958728][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9422.958728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9422.958728][ T10] netlink_rcv_skb+0x130/0x360 [ 9422.958728][ T10] netlink_unicast+0x449/0x710 [ 9422.958728][ T10] netlink_sendmsg+0x723/0xbe0 [ 9422.958728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9422.958728][ T10] ___sys_sendmsg+0xee/0x170 [ 9422.958728][ T10] __sys_sendmsg+0xcd/0x170 [ 9422.958728][ T10] do_syscall_64+0xc6/0x1e0 [ 9422.958728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9422.958728][ T10] [ 9422.960710][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9422.960710][ T10] netdev_get_by_index+0x5e/0x80 [ 9422.960710][ T10] fib6_nh_init+0x3d8/0x1580 [ 9422.960710][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9422.960710][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9422.960710][ T10] ipv6_add_addr+0x411/0x2000 [ 9422.960710][ T10] inet6_addr_add+0x30e/0xa40 [ 9422.960710][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9422.960710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9422.960710][ T10] netlink_rcv_skb+0x130/0x360 [ 9422.960710][ T10] netlink_unicast+0x449/0x710 [ 9422.960710][ T10] netlink_sendmsg+0x723/0xbe0 [ 9422.960710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9422.960710][ T10] ___sys_sendmsg+0xee/0x170 [ 9422.960710][ T10] __sys_sendmsg+0xcd/0x170 [ 9422.960710][ T10] do_syscall_64+0xc6/0x1e0 [ 9422.960710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9422.960710][ T10] [ 9422.962695][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9422.962695][ T10] netdev_get_by_index+0x5e/0x80 [ 9422.962695][ T10] fib6_nh_init+0x3d8/0x1580 [ 9422.962695][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9422.962695][ T10] ip6_route_add+0x1c/0x140 [ 9422.962695][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9422.962695][ T10] addrconf_add_dev+0xe2/0x170 [ 9422.962695][ T10] inet6_addr_add+0x12f/0xa40 [ 9422.962695][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9422.962695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9422.962695][ T10] netlink_rcv_skb+0x130/0x360 [ 9422.962695][ T10] netlink_unicast+0x449/0x710 [ 9422.962695][ T10] netlink_sendmsg+0x723/0xbe0 [ 9422.962695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9422.962695][ T10] ___sys_sendmsg+0xee/0x170 [ 9422.962695][ T10] __sys_sendmsg+0xcd/0x170 [ 9422.962695][ T10] do_syscall_64+0xc6/0x1e0 [ 9422.962695][ T10] [ 9422.964643][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9422.964643][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9422.964643][ T10] ipv6_find_idev+0x102/0x170 [ 9422.964643][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9422.964643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9422.964643][ T10] netlink_rcv_skb+0x130/0x360 [ 9422.964643][ T10] netlink_unicast+0x449/0x710 [ 9422.964643][ T10] netlink_sendmsg+0x723/0xbe0 [ 9422.964643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9422.964643][ T10] ___sys_sendmsg+0xee/0x170 [ 9422.964643][ T10] __sys_sendmsg+0xcd/0x170 [ 9422.964643][ T10] do_syscall_64+0xc6/0x1e0 [ 9422.964643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9422.964643][ T10] [ 9422.966168][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9422.966168][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9422.966168][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9422.966168][ T10] ipv6_find_idev+0x102/0x170 [ 9422.966168][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9422.966168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9422.966168][ T10] netlink_rcv_skb+0x130/0x360 [ 9422.966168][ T10] netlink_unicast+0x449/0x710 [ 9422.966168][ T10] netlink_sendmsg+0x723/0xbe0 [ 9422.966168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9422.966168][ T10] ___sys_sendmsg+0xee/0x170 [ 9422.966168][ T10] __sys_sendmsg+0xcd/0x170 [ 9422.966168][ T10] do_syscall_64+0xc6/0x1e0 [ 9422.966168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9422.966168][ T10] [ 9422.967835][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9422.968081][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9422.968081][ T10] netdev_get_by_index+0x5e/0x80 [ 9422.968081][ T10] fib6_nh_init+0x3d8/0x1580 [ 9422.968081][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9422.968081][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9422.968081][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9422.968081][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9422.968081][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9422.968081][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9422.968081][ T10] addrconf_dad_begin+0x310/0x670 [ 9422.968081][ T10] addrconf_dad_work+0x10b/0xab0 [ 9422.968081][ T10] process_one_work+0x84d/0x18a0 [ 9422.968081][ T10] worker_thread+0x587/0xd30 [ 9422.968081][ T10] kthread+0x28a/0x350 [ 9422.968081][ T10] ret_from_fork+0x31/0x70 [ 9422.968081][ T10] ret_from_fork_asm+0x1a/0x30 [ 9422.968081][ T10] [ 9422.969975][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9422.969975][ T10] netdev_get_by_index+0x5e/0x80 [ 9422.969975][ T10] fib6_nh_init+0x3d8/0x1580 [ 9422.969975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9422.969975][ T10] ip6_route_add+0x1c/0x140 [ 9422.969975][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9422.969975][ T10] inet6_addr_add+0x4f8/0xa40 [ 9422.969975][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9422.969975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9422.969975][ T10] netlink_rcv_skb+0x130/0x360 [ 9422.969975][ T10] netlink_unicast+0x449/0x710 [ 9422.969975][ T10] netlink_sendmsg+0x723/0xbe0 [ 9422.969975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9422.969975][ T10] ___sys_sendmsg+0xee/0x170 [ 9422.969975][ T10] __sys_sendmsg+0xcd/0x170 [ 9422.969975][ T10] do_syscall_64+0xc6/0x1e0 [ 9422.969975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9422.969975][ T10] [ 9422.972080][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9422.972080][ T10] netdev_get_by_index+0x5e/0x80 [ 9422.972080][ T10] fib6_nh_init+0x3d8/0x1580 [ 9422.972080][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9422.972080][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9422.972080][ T10] ipv6_add_addr+0x411/0x2000 [ 9422.972080][ T10] inet6_addr_add+0x30e/0xa40 [ 9422.972080][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9422.972080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9422.972080][ T10] netlink_rcv_skb+0x130/0x360 [ 9422.972080][ T10] netlink_unicast+0x449/0x710 [ 9422.972080][ T10] netlink_sendmsg+0x723/0xbe0 [ 9422.972080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9422.972080][ T10] ___sys_sendmsg+0xee/0x170 [ 9422.972080][ T10] __sys_sendmsg+0xcd/0x170 [ 9422.972080][ T10] do_syscall_64+0xc6/0x1e0 [ 9422.972080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9422.972080][ T10] [ 9422.974200][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9422.974200][ T10] netdev_get_by_index+0x5e/0x80 [ 9422.974200][ T10] fib6_nh_init+0x3d8/0x1580 [ 9422.974200][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9422.974200][ T10] ip6_route_add+0x1c/0x140 [ 9422.974200][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9422.974200][ T10] addrconf_add_dev+0xe2/0x170 [ 9422.974200][ T10] inet6_addr_add+0x12f/0xa40 [ 9422.974200][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9422.974200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9422.974200][ T10] netlink_rcv_skb+0x130/0x360 [ 9422.974200][ T10] netlink_unicast+0x449/0x710 [ 9422.974200][ T10] netlink_sendmsg+0x723/0xbe0 [ 9422.974200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9422.974200][ T10] ___sys_sendmsg+0xee/0x170 [ 9422.974200][ T10] __sys_sendmsg+0xcd/0x170 [ 9422.974200][ T10] do_syscall_64+0xc6/0x1e0 [ 9422.974200][ T10] [ 9422.976263][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9422.976263][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9422.976263][ T10] ipv6_find_idev+0x102/0x170 [ 9422.976263][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9422.976263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9422.976263][ T10] netlink_rcv_skb+0x130/0x360 [ 9422.976263][ T10] netlink_unicast+0x449/0x710 [ 9422.976263][ T10] netlink_sendmsg+0x723/0xbe0 [ 9422.976263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9422.976263][ T10] ___sys_sendmsg+0xee/0x170 [ 9422.976263][ T10] __sys_sendmsg+0xcd/0x170 [ 9422.976263][ T10] do_syscall_64+0xc6/0x1e0 [ 9422.976263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9422.976263][ T10] [ 9422.977848][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9422.977848][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9422.977848][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9422.977848][ T10] ipv6_find_idev+0x102/0x170 [ 9422.977848][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9422.977848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9422.977848][ T10] netlink_rcv_skb+0x130/0x360 [ 9422.977848][ T10] netlink_unicast+0x449/0x710 [ 9422.977848][ T10] netlink_sendmsg+0x723/0xbe0 [ 9422.977848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9422.977848][ T10] ___sys_sendmsg+0xee/0x170 [ 9422.977848][ T10] __sys_sendmsg+0xcd/0x170 [ 9422.977848][ T10] do_syscall_64+0xc6/0x1e0 [ 9422.977848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9422.977848][ T10] [ 9422.979641][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9422.979872][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9422.979872][ T10] netdev_get_by_index+0x5e/0x80 [ 9422.979872][ T10] fib6_nh_init+0x3d8/0x1580 [ 9422.979872][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9422.979872][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9422.979872][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9422.979872][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9422.979872][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9422.979872][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9422.979872][ T10] addrconf_dad_begin+0x310/0x670 [ 9422.979872][ T10] addrconf_dad_work+0x10b/0xab0 [ 9422.979872][ T10] process_one_work+0x84d/0x18a0 [ 9422.979872][ T10] worker_thread+0x587/0xd30 [ 9422.979872][ T10] kthread+0x28a/0x350 [ 9422.979872][ T10] ret_from_fork+0x31/0x70 [ 9422.979872][ T10] ret_from_fork_asm+0x1a/0x30 [ 9422.979872][ T10] [ 9422.981885][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9422.981885][ T10] netdev_get_by_index+0x5e/0x80 [ 9422.981885][ T10] fib6_nh_init+0x3d8/0x1580 [ 9422.981885][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9422.981885][ T10] ip6_route_add+0x1c/0x140 [ 9422.981885][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9422.981885][ T10] inet6_addr_add+0x4f8/0xa40 [ 9422.981885][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9422.981885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9422.981885][ T10] netlink_rcv_skb+0x130/0x360 [ 9422.981885][ T10] netlink_unicast+0x449/0x710 [ 9422.981885][ T10] netlink_sendmsg+0x723/0xbe0 [ 9422.981885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9422.981885][ T10] ___sys_sendmsg+0xee/0x170 [ 9422.981885][ T10] __sys_sendmsg+0xcd/0x170 [ 9422.981885][ T10] do_syscall_64+0xc6/0x1e0 [ 9422.981885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9422.981885][ T10] [ 9422.984019][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9422.984019][ T10] netdev_get_by_index+0x5e/0x80 [ 9422.984019][ T10] fib6_nh_init+0x3d8/0x1580 [ 9422.984019][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9422.984019][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9422.984019][ T10] ipv6_add_addr+0x411/0x2000 [ 9422.984019][ T10] inet6_addr_add+0x30e/0xa40 [ 9422.984019][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9422.984019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9422.984019][ T10] netlink_rcv_skb+0x130/0x360 [ 9422.984019][ T10] netlink_unicast+0x449/0x710 [ 9422.984019][ T10] netlink_sendmsg+0x723/0xbe0 [ 9422.984019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9422.984019][ T10] ___sys_sendmsg+0xee/0x170 [ 9422.984019][ T10] __sys_sendmsg+0xcd/0x170 [ 9422.984019][ T10] do_syscall_64+0xc6/0x1e0 [ 9422.984019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9422.984019][ T10] [ 9422.986130][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9422.986130][ T10] netdev_get_by_index+0x5e/0x80 [ 9422.986130][ T10] fib6_nh_init+0x3d8/0x1580 [ 9422.986130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9422.986130][ T10] ip6_route_add+0x1c/0x140 [ 9422.986130][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9422.986130][ T10] addrconf_add_dev+0xe2/0x170 [ 9422.986130][ T10] inet6_addr_add+0x12f/0xa40 [ 9422.986130][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9422.986130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9422.986130][ T10] netlink_rcv_skb+0x130/0x360 [ 9422.986130][ T10] netlink_unicast+0x449/0x710 [ 9422.986130][ T10] netlink_sendmsg+0x723/0xbe0 [ 9422.986130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9422.986130][ T10] ___sys_sendmsg+0xee/0x170 [ 9422.986130][ T10] __sys_sendmsg+0xcd/0x170 [ 9422.986130][ T10] do_syscall_64+0xc6/0x1e0 [ 9422.986130][ T10] [ 9422.988199][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9422.988199][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9422.988199][ T10] ipv6_find_idev+0x102/0x170 [ 9422.988199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9422.988199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9422.988199][ T10] netlink_rcv_skb+0x130/0x360 [ 9422.988199][ T10] netlink_unicast+0x449/0x710 [ 9422.988199][ T10] netlink_sendmsg+0x723/0xbe0 [ 9422.988199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9422.988199][ T10] ___sys_sendmsg+0xee/0x170 [ 9422.988199][ T10] __sys_sendmsg+0xcd/0x170 [ 9422.988199][ T10] do_syscall_64+0xc6/0x1e0 [ 9422.988199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9422.988199][ T10] [ 9422.989786][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9422.989786][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9422.989786][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9422.989786][ T10] ipv6_find_idev+0x102/0x170 [ 9422.989786][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9422.989786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9422.989786][ T10] netlink_rcv_skb+0x130/0x360 [ 9422.989786][ T10] netlink_unicast+0x449/0x710 [ 9422.989786][ T10] netlink_sendmsg+0x723/0xbe0 [ 9422.989786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9422.989786][ T10] ___sys_sendmsg+0xee/0x170 [ 9422.989786][ T10] __sys_sendmsg+0xcd/0x170 [ 9422.989786][ T10] do_syscall_64+0xc6/0x1e0 [ 9422.989786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9422.989786][ T10] [ 9428.193109][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9428.193531][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9428.193531][ T1167] dst_init+0x84/0x4a0 [ 9428.193531][ T1167] dst_alloc+0x97/0x150 [ 9428.193531][ T1167] ip6_dst_alloc+0x23/0x90 [ 9428.193531][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9428.193531][ T1167] ip6_pol_route+0x56f/0x840 [ 9428.193531][ T1167] fib6_rule_lookup+0x334/0x630 [ 9428.193531][ T1167] ip6_route_output_flags+0x259/0x480 [ 9428.193531][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9428.193531][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9428.193531][ T1167] netlink_rcv_skb+0x130/0x360 [ 9428.193531][ T1167] netlink_unicast+0x449/0x710 [ 9428.193531][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9428.193531][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9428.193531][ T1167] ___sys_sendmsg+0xee/0x170 [ 9428.193531][ T1167] __sys_sendmsg+0xcd/0x170 [ 9428.193531][ T1167] do_syscall_64+0xc6/0x1e0 [ 9428.193531][ T1167] [ 9428.195732][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9428.195732][ T1167] netdev_get_by_index+0x5e/0x80 [ 9428.195732][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9428.195732][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9428.195732][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9428.195732][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9428.195732][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9428.195732][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9428.195732][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9428.195732][ T1167] addrconf_dad_begin+0x310/0x670 [ 9428.195732][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9428.195732][ T1167] process_one_work+0x84d/0x18a0 [ 9428.195732][ T1167] worker_thread+0x587/0xd30 [ 9428.195732][ T1167] kthread+0x28a/0x350 [ 9428.195732][ T1167] ret_from_fork+0x31/0x70 [ 9428.195732][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9428.195732][ T1167] [ 9428.197864][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9428.197864][ T1167] netdev_get_by_index+0x5e/0x80 [ 9428.197864][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9428.197864][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9428.197864][ T1167] ip6_route_add+0x1c/0x140 [ 9428.197864][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9428.197864][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9428.197864][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9428.197864][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9428.197864][ T1167] netlink_rcv_skb+0x130/0x360 [ 9428.197864][ T1167] netlink_unicast+0x449/0x710 [ 9428.197864][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9428.197864][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9428.197864][ T1167] ___sys_sendmsg+0xee/0x170 [ 9428.197864][ T1167] __sys_sendmsg+0xcd/0x170 [ 9428.197864][ T1167] do_syscall_64+0xc6/0x1e0 [ 9428.197864][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9428.197864][ T1167] [ 9428.200100][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9428.200100][ T1167] netdev_get_by_index+0x5e/0x80 [ 9428.200100][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9428.200100][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9428.200100][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9428.200100][ T1167] ipv6_add_addr+0x411/0x2000 [ 9428.200100][ T1167] inet6_addr_add+0x30e/0xa40 [ 9428.200100][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9428.200100][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9428.200100][ T1167] netlink_rcv_skb+0x130/0x360 [ 9428.200100][ T1167] netlink_unicast+0x449/0x710 [ 9428.200100][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9428.200100][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9428.200100][ T1167] ___sys_sendmsg+0xee/0x170 [ 9428.200100][ T1167] __sys_sendmsg+0xcd/0x170 [ 9428.200100][ T1167] do_syscall_64+0xc6/0x1e0 [ 9428.200100][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9428.200100][ T1167] [ 9428.202326][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9428.202326][ T1167] netdev_get_by_index+0x5e/0x80 [ 9428.202326][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9428.202326][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9428.202326][ T1167] ip6_route_add+0x1c/0x140 [ 9428.202326][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9428.202326][ T1167] addrconf_add_dev+0xe2/0x170 [ 9428.202326][ T1167] inet6_addr_add+0x12f/0xa40 [ 9428.202326][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9428.202326][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9428.202326][ T1167] netlink_rcv_skb+0x130/0x360 [ 9428.202326][ T1167] netlink_unicast+0x449/0x710 [ 9428.202326][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9428.202326][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9428.202326][ T1167] ___sys_sendmsg+0xee/0x170 [ 9428.202326][ T1167] __sys_sendmsg+0xcd/0x170 [ 9428.202326][ T1167] do_syscall_64+0xc6/0x1e0 [ 9428.202326][ T1167] [ 9428.204534][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9428.204534][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9428.204534][ T1167] ipv6_find_idev+0x102/0x170 [ 9428.204534][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9428.204534][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9428.204534][ T1167] netlink_rcv_skb+0x130/0x360 [ 9428.204534][ T1167] netlink_unicast+0x449/0x710 [ 9428.204534][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9428.204534][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9428.204534][ T1167] ___sys_sendmsg+0xee/0x170 [ 9428.204534][ T1167] __sys_sendmsg+0xcd/0x170 [ 9428.204534][ T1167] do_syscall_64+0xc6/0x1e0 [ 9428.204534][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9428.204534][ T1167] [ 9428.206254][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9428.206254][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9428.206254][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9428.206254][ T1167] ipv6_find_idev+0x102/0x170 [ 9428.206254][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9428.206254][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9428.206254][ T1167] netlink_rcv_skb+0x130/0x360 [ 9428.206254][ T1167] netlink_unicast+0x449/0x710 [ 9428.206254][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9428.206254][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9428.206254][ T1167] ___sys_sendmsg+0xee/0x170 [ 9428.206254][ T1167] __sys_sendmsg+0xcd/0x170 [ 9428.206254][ T1167] do_syscall_64+0xc6/0x1e0 [ 9428.206254][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9428.206254][ T1167] [ 9433.233108][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9433.233460][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9433.233460][ T10] netdev_get_by_index+0x5e/0x80 [ 9433.233460][ T10] fib6_nh_init+0x3d8/0x1580 [ 9433.233460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9433.233460][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9433.233460][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9433.233460][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9433.233460][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9433.233460][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9433.233460][ T10] addrconf_dad_begin+0x310/0x670 [ 9433.233460][ T10] addrconf_dad_work+0x10b/0xab0 [ 9433.233460][ T10] process_one_work+0x84d/0x18a0 [ 9433.233460][ T10] worker_thread+0x587/0xd30 [ 9433.233460][ T10] kthread+0x28a/0x350 [ 9433.233460][ T10] ret_from_fork+0x31/0x70 [ 9433.233460][ T10] ret_from_fork_asm+0x1a/0x30 [ 9433.233460][ T10] [ 9433.235523][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9433.235523][ T10] netdev_get_by_index+0x5e/0x80 [ 9433.235523][ T10] fib6_nh_init+0x3d8/0x1580 [ 9433.235523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9433.235523][ T10] ip6_route_add+0x1c/0x140 [ 9433.235523][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9433.235523][ T10] inet6_addr_add+0x4f8/0xa40 [ 9433.235523][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9433.235523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9433.235523][ T10] netlink_rcv_skb+0x130/0x360 [ 9433.235523][ T10] netlink_unicast+0x449/0x710 [ 9433.235523][ T10] netlink_sendmsg+0x723/0xbe0 [ 9433.235523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9433.235523][ T10] ___sys_sendmsg+0xee/0x170 [ 9433.235523][ T10] __sys_sendmsg+0xcd/0x170 [ 9433.235523][ T10] do_syscall_64+0xc6/0x1e0 [ 9433.235523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9433.235523][ T10] [ 9433.237511][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9433.237511][ T10] netdev_get_by_index+0x5e/0x80 [ 9433.237511][ T10] fib6_nh_init+0x3d8/0x1580 [ 9433.237511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9433.237511][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9433.237511][ T10] ipv6_add_addr+0x411/0x2000 [ 9433.237511][ T10] inet6_addr_add+0x30e/0xa40 [ 9433.237511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9433.237511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9433.237511][ T10] netlink_rcv_skb+0x130/0x360 [ 9433.237511][ T10] netlink_unicast+0x449/0x710 [ 9433.237511][ T10] netlink_sendmsg+0x723/0xbe0 [ 9433.237511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9433.237511][ T10] ___sys_sendmsg+0xee/0x170 [ 9433.237511][ T10] __sys_sendmsg+0xcd/0x170 [ 9433.237511][ T10] do_syscall_64+0xc6/0x1e0 [ 9433.237511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9433.237511][ T10] [ 9433.239510][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9433.239510][ T10] netdev_get_by_index+0x5e/0x80 [ 9433.239510][ T10] fib6_nh_init+0x3d8/0x1580 [ 9433.239510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9433.239510][ T10] ip6_route_add+0x1c/0x140 [ 9433.239510][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9433.239510][ T10] addrconf_add_dev+0xe2/0x170 [ 9433.239510][ T10] inet6_addr_add+0x12f/0xa40 [ 9433.239510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9433.239510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9433.239510][ T10] netlink_rcv_skb+0x130/0x360 [ 9433.239510][ T10] netlink_unicast+0x449/0x710 [ 9433.239510][ T10] netlink_sendmsg+0x723/0xbe0 [ 9433.239510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9433.239510][ T10] ___sys_sendmsg+0xee/0x170 [ 9433.239510][ T10] __sys_sendmsg+0xcd/0x170 [ 9433.239510][ T10] do_syscall_64+0xc6/0x1e0 [ 9433.239510][ T10] [ 9433.241459][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9433.241459][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9433.241459][ T10] ipv6_find_idev+0x102/0x170 [ 9433.241459][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9433.241459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9433.241459][ T10] netlink_rcv_skb+0x130/0x360 [ 9433.241459][ T10] netlink_unicast+0x449/0x710 [ 9433.241459][ T10] netlink_sendmsg+0x723/0xbe0 [ 9433.241459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9433.241459][ T10] ___sys_sendmsg+0xee/0x170 [ 9433.241459][ T10] __sys_sendmsg+0xcd/0x170 [ 9433.241459][ T10] do_syscall_64+0xc6/0x1e0 [ 9433.241459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9433.241459][ T10] [ 9433.242983][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9433.242983][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9433.242983][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9433.242983][ T10] ipv6_find_idev+0x102/0x170 [ 9433.242983][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9433.242983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9433.242983][ T10] netlink_rcv_skb+0x130/0x360 [ 9433.242983][ T10] netlink_unicast+0x449/0x710 [ 9433.242983][ T10] netlink_sendmsg+0x723/0xbe0 [ 9433.242983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9433.242983][ T10] ___sys_sendmsg+0xee/0x170 [ 9433.242983][ T10] __sys_sendmsg+0xcd/0x170 [ 9433.242983][ T10] do_syscall_64+0xc6/0x1e0 [ 9433.242983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9433.242983][ T10] [ 9433.244668][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9433.244905][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9433.244905][ T10] netdev_get_by_index+0x5e/0x80 [ 9433.244905][ T10] fib6_nh_init+0x3d8/0x1580 [ 9433.244905][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9433.244905][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9433.244905][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9433.244905][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9433.244905][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9433.244905][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9433.244905][ T10] addrconf_dad_begin+0x310/0x670 [ 9433.244905][ T10] addrconf_dad_work+0x10b/0xab0 [ 9433.244905][ T10] process_one_work+0x84d/0x18a0 [ 9433.244905][ T10] worker_thread+0x587/0xd30 [ 9433.244905][ T10] kthread+0x28a/0x350 [ 9433.244905][ T10] ret_from_fork+0x31/0x70 [ 9433.244905][ T10] ret_from_fork_asm+0x1a/0x30 [ 9433.244905][ T10] [ 9433.246790][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9433.246790][ T10] netdev_get_by_index+0x5e/0x80 [ 9433.246790][ T10] fib6_nh_init+0x3d8/0x1580 [ 9433.246790][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9433.246790][ T10] ip6_route_add+0x1c/0x140 [ 9433.246790][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9433.246790][ T10] inet6_addr_add+0x4f8/0xa40 [ 9433.246790][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9433.246790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9433.246790][ T10] netlink_rcv_skb+0x130/0x360 [ 9433.246790][ T10] netlink_unicast+0x449/0x710 [ 9433.246790][ T10] netlink_sendmsg+0x723/0xbe0 [ 9433.246790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9433.246790][ T10] ___sys_sendmsg+0xee/0x170 [ 9433.246790][ T10] __sys_sendmsg+0xcd/0x170 [ 9433.246790][ T10] do_syscall_64+0xc6/0x1e0 [ 9433.246790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9433.246790][ T10] [ 9433.248770][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9433.248770][ T10] netdev_get_by_index+0x5e/0x80 [ 9433.248770][ T10] fib6_nh_init+0x3d8/0x1580 [ 9433.248770][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9433.248770][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9433.248770][ T10] ipv6_add_addr+0x411/0x2000 [ 9433.248770][ T10] inet6_addr_add+0x30e/0xa40 [ 9433.248770][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9433.248770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9433.248770][ T10] netlink_rcv_skb+0x130/0x360 [ 9433.248770][ T10] netlink_unicast+0x449/0x710 [ 9433.248770][ T10] netlink_sendmsg+0x723/0xbe0 [ 9433.248770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9433.248770][ T10] ___sys_sendmsg+0xee/0x170 [ 9433.248770][ T10] __sys_sendmsg+0xcd/0x170 [ 9433.248770][ T10] do_syscall_64+0xc6/0x1e0 [ 9433.248770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9433.248770][ T10] [ 9433.250749][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9433.250749][ T10] netdev_get_by_index+0x5e/0x80 [ 9433.250749][ T10] fib6_nh_init+0x3d8/0x1580 [ 9433.250749][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9433.250749][ T10] ip6_route_add+0x1c/0x140 [ 9433.250749][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9433.250749][ T10] addrconf_add_dev+0xe2/0x170 [ 9433.250749][ T10] inet6_addr_add+0x12f/0xa40 [ 9433.250749][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9433.250749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9433.250749][ T10] netlink_rcv_skb+0x130/0x360 [ 9433.250749][ T10] netlink_unicast+0x449/0x710 [ 9433.250749][ T10] netlink_sendmsg+0x723/0xbe0 [ 9433.250749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9433.250749][ T10] ___sys_sendmsg+0xee/0x170 [ 9433.250749][ T10] __sys_sendmsg+0xcd/0x170 [ 9433.250749][ T10] do_syscall_64+0xc6/0x1e0 [ 9433.250749][ T10] [ 9433.252687][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9433.252687][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9433.252687][ T10] ipv6_find_idev+0x102/0x170 [ 9433.252687][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9433.252687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9433.252687][ T10] netlink_rcv_skb+0x130/0x360 [ 9433.252687][ T10] netlink_unicast+0x449/0x710 [ 9433.252687][ T10] netlink_sendmsg+0x723/0xbe0 [ 9433.252687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9433.252687][ T10] ___sys_sendmsg+0xee/0x170 [ 9433.252687][ T10] __sys_sendmsg+0xcd/0x170 [ 9433.252687][ T10] do_syscall_64+0xc6/0x1e0 [ 9433.252687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9433.252687][ T10] [ 9433.254212][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9433.254212][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9433.254212][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9433.254212][ T10] ipv6_find_idev+0x102/0x170 [ 9433.254212][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9433.254212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9433.254212][ T10] netlink_rcv_skb+0x130/0x360 [ 9433.254212][ T10] netlink_unicast+0x449/0x710 [ 9433.254212][ T10] netlink_sendmsg+0x723/0xbe0 [ 9433.254212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9433.254212][ T10] ___sys_sendmsg+0xee/0x170 [ 9433.254212][ T10] __sys_sendmsg+0xcd/0x170 [ 9433.254212][ T10] do_syscall_64+0xc6/0x1e0 [ 9433.254212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9433.254212][ T10] [ 9433.255877][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9433.256118][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9433.256118][ T10] netdev_get_by_index+0x5e/0x80 [ 9433.256118][ T10] fib6_nh_init+0x3d8/0x1580 [ 9433.256118][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9433.256118][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9433.256118][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9433.256118][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9433.256118][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9433.256118][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9433.256118][ T10] addrconf_dad_begin+0x310/0x670 [ 9433.256118][ T10] addrconf_dad_work+0x10b/0xab0 [ 9433.256118][ T10] process_one_work+0x84d/0x18a0 [ 9433.256118][ T10] worker_thread+0x587/0xd30 [ 9433.256118][ T10] kthread+0x28a/0x350 [ 9433.256118][ T10] ret_from_fork+0x31/0x70 [ 9433.256118][ T10] ret_from_fork_asm+0x1a/0x30 [ 9433.256118][ T10] [ 9433.258009][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9433.258009][ T10] netdev_get_by_index+0x5e/0x80 [ 9433.258009][ T10] fib6_nh_init+0x3d8/0x1580 [ 9433.258009][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9433.258009][ T10] ip6_route_add+0x1c/0x140 [ 9433.258009][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9433.258009][ T10] inet6_addr_add+0x4f8/0xa40 [ 9433.258009][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9433.258009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9433.258009][ T10] netlink_rcv_skb+0x130/0x360 [ 9433.258009][ T10] netlink_unicast+0x449/0x710 [ 9433.258009][ T10] netlink_sendmsg+0x723/0xbe0 [ 9433.258009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9433.258009][ T10] ___sys_sendmsg+0xee/0x170 [ 9433.258009][ T10] __sys_sendmsg+0xcd/0x170 [ 9433.258009][ T10] do_syscall_64+0xc6/0x1e0 [ 9433.258009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9433.258009][ T10] [ 9433.260168][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9433.260168][ T10] netdev_get_by_index+0x5e/0x80 [ 9433.260168][ T10] fib6_nh_init+0x3d8/0x1580 [ 9433.260168][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9433.260168][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9433.260168][ T10] ipv6_add_addr+0x411/0x2000 [ 9433.260168][ T10] inet6_addr_add+0x30e/0xa40 [ 9433.260168][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9433.260168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9433.260168][ T10] netlink_rcv_skb+0x130/0x360 [ 9433.260168][ T10] netlink_unicast+0x449/0x710 [ 9433.260168][ T10] netlink_sendmsg+0x723/0xbe0 [ 9433.260168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9433.260168][ T10] ___sys_sendmsg+0xee/0x170 [ 9433.260168][ T10] __sys_sendmsg+0xcd/0x170 [ 9433.260168][ T10] do_syscall_64+0xc6/0x1e0 [ 9433.260168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9433.260168][ T10] [ 9433.262387][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9433.262387][ T10] netdev_get_by_index+0x5e/0x80 [ 9433.262387][ T10] fib6_nh_init+0x3d8/0x1580 [ 9433.262387][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9433.262387][ T10] ip6_route_add+0x1c/0x140 [ 9433.262387][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9433.262387][ T10] addrconf_add_dev+0xe2/0x170 [ 9433.262387][ T10] inet6_addr_add+0x12f/0xa40 [ 9433.262387][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9433.262387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9433.262387][ T10] netlink_rcv_skb+0x130/0x360 [ 9433.262387][ T10] netlink_unicast+0x449/0x710 [ 9433.262387][ T10] netlink_sendmsg+0x723/0xbe0 [ 9433.262387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9433.262387][ T10] ___sys_sendmsg+0xee/0x170 [ 9433.262387][ T10] __sys_sendmsg+0xcd/0x170 [ 9433.262387][ T10] do_syscall_64+0xc6/0x1e0 [ 9433.262387][ T10] [ 9433.264522][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9433.264522][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9433.264522][ T10] ipv6_find_idev+0x102/0x170 [ 9433.264522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9433.264522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9433.264522][ T10] netlink_rcv_skb+0x130/0x360 [ 9433.264522][ T10] netlink_unicast+0x449/0x710 [ 9433.264522][ T10] netlink_sendmsg+0x723/0xbe0 [ 9433.264522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9433.264522][ T10] ___sys_sendmsg+0xee/0x170 [ 9433.264522][ T10] __sys_sendmsg+0xcd/0x170 [ 9433.264522][ T10] do_syscall_64+0xc6/0x1e0 [ 9433.264522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9433.264522][ T10] [ 9433.266238][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9433.266238][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9433.266238][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9433.266238][ T10] ipv6_find_idev+0x102/0x170 [ 9433.266238][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9433.266238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9433.266238][ T10] netlink_rcv_skb+0x130/0x360 [ 9433.266238][ T10] netlink_unicast+0x449/0x710 [ 9433.266238][ T10] netlink_sendmsg+0x723/0xbe0 [ 9433.266238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9433.266238][ T10] ___sys_sendmsg+0xee/0x170 [ 9433.266238][ T10] __sys_sendmsg+0xcd/0x170 [ 9433.266238][ T10] do_syscall_64+0xc6/0x1e0 [ 9433.266238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9433.266238][ T10] [ 9433.268199][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9433.268437][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9433.268437][ T10] netdev_get_by_index+0x5e/0x80 [ 9433.268437][ T10] fib6_nh_init+0x3d8/0x1580 [ 9433.268437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9433.268437][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9433.268437][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9433.268437][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9433.268437][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9433.268437][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9433.268437][ T10] addrconf_dad_begin+0x310/0x670 [ 9433.268437][ T10] addrconf_dad_work+0x10b/0xab0 [ 9433.268437][ T10] process_one_work+0x84d/0x18a0 [ 9433.268437][ T10] worker_thread+0x587/0xd30 [ 9433.268437][ T10] kthread+0x28a/0x350 [ 9433.268437][ T10] ret_from_fork+0x31/0x70 [ 9433.268437][ T10] ret_from_fork_asm+0x1a/0x30 [ 9433.268437][ T10] [ 9433.270569][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9433.270569][ T10] netdev_get_by_index+0x5e/0x80 [ 9433.270569][ T10] fib6_nh_init+0x3d8/0x1580 [ 9433.270569][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9433.270569][ T10] ip6_route_add+0x1c/0x140 [ 9433.270569][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9433.270569][ T10] inet6_addr_add+0x4f8/0xa40 [ 9433.270569][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9433.270569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9433.270569][ T10] netlink_rcv_skb+0x130/0x360 [ 9433.270569][ T10] netlink_unicast+0x449/0x710 [ 9433.270569][ T10] netlink_sendmsg+0x723/0xbe0 [ 9433.270569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9433.270569][ T10] ___sys_sendmsg+0xee/0x170 [ 9433.270569][ T10] __sys_sendmsg+0xcd/0x170 [ 9433.270569][ T10] do_syscall_64+0xc6/0x1e0 [ 9433.270569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9433.270569][ T10] [ 9433.272754][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9433.272754][ T10] netdev_get_by_index+0x5e/0x80 [ 9433.272754][ T10] fib6_nh_init+0x3d8/0x1580 [ 9433.272754][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9433.272754][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9433.272754][ T10] ipv6_add_addr+0x411/0x2000 [ 9433.272754][ T10] inet6_addr_add+0x30e/0xa40 [ 9433.272754][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9433.272754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9433.272754][ T10] netlink_rcv_skb+0x130/0x360 [ 9433.272754][ T10] netlink_unicast+0x449/0x710 [ 9433.272754][ T10] netlink_sendmsg+0x723/0xbe0 [ 9433.272754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9433.272754][ T10] ___sys_sendmsg+0xee/0x170 [ 9433.272754][ T10] __sys_sendmsg+0xcd/0x170 [ 9433.272754][ T10] do_syscall_64+0xc6/0x1e0 [ 9433.272754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9433.272754][ T10] [ 9433.274976][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9433.274976][ T10] netdev_get_by_index+0x5e/0x80 [ 9433.274976][ T10] fib6_nh_init+0x3d8/0x1580 [ 9433.274976][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9433.274976][ T10] ip6_route_add+0x1c/0x140 [ 9433.274976][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9433.274976][ T10] addrconf_add_dev+0xe2/0x170 [ 9433.274976][ T10] inet6_addr_add+0x12f/0xa40 [ 9433.274976][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9433.274976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9433.274976][ T10] netlink_rcv_skb+0x130/0x360 [ 9433.274976][ T10] netlink_unicast+0x449/0x710 [ 9433.274976][ T10] netlink_sendmsg+0x723/0xbe0 [ 9433.274976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9433.274976][ T10] ___sys_sendmsg+0xee/0x170 [ 9433.274976][ T10] __sys_sendmsg+0xcd/0x170 [ 9433.274976][ T10] do_syscall_64+0xc6/0x1e0 [ 9433.274976][ T10] [ 9433.277222][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9433.277222][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9433.277222][ T10] ipv6_find_idev+0x102/0x170 [ 9433.277222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9433.277222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9433.277222][ T10] netlink_rcv_skb+0x130/0x360 [ 9433.277222][ T10] netlink_unicast+0x449/0x710 [ 9433.277222][ T10] netlink_sendmsg+0x723/0xbe0 [ 9433.277222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9433.277222][ T10] ___sys_sendmsg+0xee/0x170 [ 9433.277222][ T10] __sys_sendmsg+0xcd/0x170 [ 9433.277222][ T10] do_syscall_64+0xc6/0x1e0 [ 9433.277222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9433.277222][ T10] [ 9433.278921][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9433.278921][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9433.278921][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9433.278921][ T10] ipv6_find_idev+0x102/0x170 [ 9433.278921][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9433.278921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9433.278921][ T10] netlink_rcv_skb+0x130/0x360 [ 9433.278921][ T10] netlink_unicast+0x449/0x710 [ 9433.278921][ T10] netlink_sendmsg+0x723/0xbe0 [ 9433.278921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9433.278921][ T10] ___sys_sendmsg+0xee/0x170 [ 9433.278921][ T10] __sys_sendmsg+0xcd/0x170 [ 9433.278921][ T10] do_syscall_64+0xc6/0x1e0 [ 9433.278921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9433.278921][ T10] [ 9438.305043][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9438.305525][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9438.305525][ T1167] dst_init+0x84/0x4a0 [ 9438.305525][ T1167] dst_alloc+0x97/0x150 [ 9438.305525][ T1167] ip6_dst_alloc+0x23/0x90 [ 9438.305525][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9438.305525][ T1167] ip6_pol_route+0x56f/0x840 [ 9438.305525][ T1167] fib6_rule_lookup+0x334/0x630 [ 9438.305525][ T1167] ip6_route_output_flags+0x259/0x480 [ 9438.305525][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9438.305525][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9438.305525][ T1167] netlink_rcv_skb+0x130/0x360 [ 9438.305525][ T1167] netlink_unicast+0x449/0x710 [ 9438.305525][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9438.305525][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9438.305525][ T1167] ___sys_sendmsg+0xee/0x170 [ 9438.305525][ T1167] __sys_sendmsg+0xcd/0x170 [ 9438.305525][ T1167] do_syscall_64+0xc6/0x1e0 [ 9438.305525][ T1167] [ 9438.307719][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9438.307719][ T1167] netdev_get_by_index+0x5e/0x80 [ 9438.307719][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9438.307719][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9438.307719][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9438.307719][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9438.307719][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9438.307719][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9438.307719][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9438.307719][ T1167] addrconf_dad_begin+0x310/0x670 [ 9438.307719][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9438.307719][ T1167] process_one_work+0x84d/0x18a0 [ 9438.307719][ T1167] worker_thread+0x587/0xd30 [ 9438.307719][ T1167] kthread+0x28a/0x350 [ 9438.307719][ T1167] ret_from_fork+0x31/0x70 [ 9438.307719][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9438.307719][ T1167] [ 9438.309882][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9438.309882][ T1167] netdev_get_by_index+0x5e/0x80 [ 9438.309882][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9438.309882][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9438.309882][ T1167] ip6_route_add+0x1c/0x140 [ 9438.309882][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9438.309882][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9438.309882][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9438.309882][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9438.309882][ T1167] netlink_rcv_skb+0x130/0x360 [ 9438.309882][ T1167] netlink_unicast+0x449/0x710 [ 9438.309882][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9438.309882][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9438.309882][ T1167] ___sys_sendmsg+0xee/0x170 [ 9438.309882][ T1167] __sys_sendmsg+0xcd/0x170 [ 9438.309882][ T1167] do_syscall_64+0xc6/0x1e0 [ 9438.309882][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9438.309882][ T1167] [ 9438.312129][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9438.312129][ T1167] netdev_get_by_index+0x5e/0x80 [ 9438.312129][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9438.312129][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9438.312129][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9438.312129][ T1167] ipv6_add_addr+0x411/0x2000 [ 9438.312129][ T1167] inet6_addr_add+0x30e/0xa40 [ 9438.312129][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9438.312129][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9438.312129][ T1167] netlink_rcv_skb+0x130/0x360 [ 9438.312129][ T1167] netlink_unicast+0x449/0x710 [ 9438.312129][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9438.312129][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9438.312129][ T1167] ___sys_sendmsg+0xee/0x170 [ 9438.312129][ T1167] __sys_sendmsg+0xcd/0x170 [ 9438.312129][ T1167] do_syscall_64+0xc6/0x1e0 [ 9438.312129][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9438.312129][ T1167] [ 9438.314373][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9438.314373][ T1167] netdev_get_by_index+0x5e/0x80 [ 9438.314373][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9438.314373][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9438.314373][ T1167] ip6_route_add+0x1c/0x140 [ 9438.314373][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9438.314373][ T1167] addrconf_add_dev+0xe2/0x170 [ 9438.314373][ T1167] inet6_addr_add+0x12f/0xa40 [ 9438.314373][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9438.314373][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9438.314373][ T1167] netlink_rcv_skb+0x130/0x360 [ 9438.314373][ T1167] netlink_unicast+0x449/0x710 [ 9438.314373][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9438.314373][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9438.314373][ T1167] ___sys_sendmsg+0xee/0x170 [ 9438.314373][ T1167] __sys_sendmsg+0xcd/0x170 [ 9438.314373][ T1167] do_syscall_64+0xc6/0x1e0 [ 9438.314373][ T1167] [ 9438.316559][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9438.316559][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9438.316559][ T1167] ipv6_find_idev+0x102/0x170 [ 9438.316559][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9438.316559][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9438.316559][ T1167] netlink_rcv_skb+0x130/0x360 [ 9438.316559][ T1167] netlink_unicast+0x449/0x710 [ 9438.316559][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9438.316559][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9438.316559][ T1167] ___sys_sendmsg+0xee/0x170 [ 9438.316559][ T1167] __sys_sendmsg+0xcd/0x170 [ 9438.316559][ T1167] do_syscall_64+0xc6/0x1e0 [ 9438.316559][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9438.316559][ T1167] [ 9438.318275][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9438.318275][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9438.318275][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9438.318275][ T1167] ipv6_find_idev+0x102/0x170 [ 9438.318275][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9438.318275][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9438.318275][ T1167] netlink_rcv_skb+0x130/0x360 [ 9438.318275][ T1167] netlink_unicast+0x449/0x710 [ 9438.318275][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9438.318275][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9438.318275][ T1167] ___sys_sendmsg+0xee/0x170 [ 9438.318275][ T1167] __sys_sendmsg+0xcd/0x170 [ 9438.318275][ T1167] do_syscall_64+0xc6/0x1e0 [ 9438.318275][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9438.318275][ T1167] [ 9443.521107][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9443.521516][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9443.521516][ T10] netdev_get_by_index+0x5e/0x80 [ 9443.521516][ T10] fib6_nh_init+0x3d8/0x1580 [ 9443.521516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9443.521516][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9443.521516][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9443.521516][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9443.521516][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9443.521516][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9443.521516][ T10] addrconf_dad_begin+0x310/0x670 [ 9443.521516][ T10] addrconf_dad_work+0x10b/0xab0 [ 9443.521516][ T10] process_one_work+0x84d/0x18a0 [ 9443.521516][ T10] worker_thread+0x587/0xd30 [ 9443.521516][ T10] kthread+0x28a/0x350 [ 9443.521516][ T10] ret_from_fork+0x31/0x70 [ 9443.521516][ T10] ret_from_fork_asm+0x1a/0x30 [ 9443.521516][ T10] [ 9443.523433][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9443.523433][ T10] netdev_get_by_index+0x5e/0x80 [ 9443.523433][ T10] fib6_nh_init+0x3d8/0x1580 [ 9443.523433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9443.523433][ T10] ip6_route_add+0x1c/0x140 [ 9443.523433][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9443.523433][ T10] inet6_addr_add+0x4f8/0xa40 [ 9443.523433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9443.523433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9443.523433][ T10] netlink_rcv_skb+0x130/0x360 [ 9443.523433][ T10] netlink_unicast+0x449/0x710 [ 9443.523433][ T10] netlink_sendmsg+0x723/0xbe0 [ 9443.523433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9443.523433][ T10] ___sys_sendmsg+0xee/0x170 [ 9443.523433][ T10] __sys_sendmsg+0xcd/0x170 [ 9443.523433][ T10] do_syscall_64+0xc6/0x1e0 [ 9443.523433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9443.523433][ T10] [ 9443.525433][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9443.525433][ T10] netdev_get_by_index+0x5e/0x80 [ 9443.525433][ T10] fib6_nh_init+0x3d8/0x1580 [ 9443.525433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9443.525433][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9443.525433][ T10] ipv6_add_addr+0x411/0x2000 [ 9443.525433][ T10] inet6_addr_add+0x30e/0xa40 [ 9443.525433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9443.525433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9443.525433][ T10] netlink_rcv_skb+0x130/0x360 [ 9443.525433][ T10] netlink_unicast+0x449/0x710 [ 9443.525433][ T10] netlink_sendmsg+0x723/0xbe0 [ 9443.525433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9443.525433][ T10] ___sys_sendmsg+0xee/0x170 [ 9443.525433][ T10] __sys_sendmsg+0xcd/0x170 [ 9443.525433][ T10] do_syscall_64+0xc6/0x1e0 [ 9443.525433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9443.525433][ T10] [ 9443.527414][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9443.527414][ T10] netdev_get_by_index+0x5e/0x80 [ 9443.527414][ T10] fib6_nh_init+0x3d8/0x1580 [ 9443.527414][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9443.527414][ T10] ip6_route_add+0x1c/0x140 [ 9443.527414][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9443.527414][ T10] addrconf_add_dev+0xe2/0x170 [ 9443.527414][ T10] inet6_addr_add+0x12f/0xa40 [ 9443.527414][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9443.527414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9443.527414][ T10] netlink_rcv_skb+0x130/0x360 [ 9443.527414][ T10] netlink_unicast+0x449/0x710 [ 9443.527414][ T10] netlink_sendmsg+0x723/0xbe0 [ 9443.527414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9443.527414][ T10] ___sys_sendmsg+0xee/0x170 [ 9443.527414][ T10] __sys_sendmsg+0xcd/0x170 [ 9443.527414][ T10] do_syscall_64+0xc6/0x1e0 [ 9443.527414][ T10] [ 9443.529372][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9443.529372][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9443.529372][ T10] ipv6_find_idev+0x102/0x170 [ 9443.529372][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9443.529372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9443.529372][ T10] netlink_rcv_skb+0x130/0x360 [ 9443.529372][ T10] netlink_unicast+0x449/0x710 [ 9443.529372][ T10] netlink_sendmsg+0x723/0xbe0 [ 9443.529372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9443.529372][ T10] ___sys_sendmsg+0xee/0x170 [ 9443.529372][ T10] __sys_sendmsg+0xcd/0x170 [ 9443.529372][ T10] do_syscall_64+0xc6/0x1e0 [ 9443.529372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9443.529372][ T10] [ 9443.530894][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9443.530894][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9443.530894][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9443.530894][ T10] ipv6_find_idev+0x102/0x170 [ 9443.530894][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9443.530894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9443.530894][ T10] netlink_rcv_skb+0x130/0x360 [ 9443.530894][ T10] netlink_unicast+0x449/0x710 [ 9443.530894][ T10] netlink_sendmsg+0x723/0xbe0 [ 9443.530894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9443.530894][ T10] ___sys_sendmsg+0xee/0x170 [ 9443.530894][ T10] __sys_sendmsg+0xcd/0x170 [ 9443.530894][ T10] do_syscall_64+0xc6/0x1e0 [ 9443.530894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9443.530894][ T10] [ 9443.532559][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9443.532805][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9443.532805][ T10] netdev_get_by_index+0x5e/0x80 [ 9443.532805][ T10] fib6_nh_init+0x3d8/0x1580 [ 9443.532805][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9443.532805][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9443.532805][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9443.532805][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9443.532805][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9443.532805][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9443.532805][ T10] addrconf_dad_begin+0x310/0x670 [ 9443.532805][ T10] addrconf_dad_work+0x10b/0xab0 [ 9443.532805][ T10] process_one_work+0x84d/0x18a0 [ 9443.532805][ T10] worker_thread+0x587/0xd30 [ 9443.532805][ T10] kthread+0x28a/0x350 [ 9443.532805][ T10] ret_from_fork+0x31/0x70 [ 9443.532805][ T10] ret_from_fork_asm+0x1a/0x30 [ 9443.532805][ T10] [ 9443.534704][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9443.534704][ T10] netdev_get_by_index+0x5e/0x80 [ 9443.534704][ T10] fib6_nh_init+0x3d8/0x1580 [ 9443.534704][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9443.534704][ T10] ip6_route_add+0x1c/0x140 [ 9443.534704][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9443.534704][ T10] inet6_addr_add+0x4f8/0xa40 [ 9443.534704][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9443.534704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9443.534704][ T10] netlink_rcv_skb+0x130/0x360 [ 9443.534704][ T10] netlink_unicast+0x449/0x710 [ 9443.534704][ T10] netlink_sendmsg+0x723/0xbe0 [ 9443.534704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9443.534704][ T10] ___sys_sendmsg+0xee/0x170 [ 9443.534704][ T10] __sys_sendmsg+0xcd/0x170 [ 9443.534704][ T10] do_syscall_64+0xc6/0x1e0 [ 9443.534704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9443.534704][ T10] [ 9443.536682][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9443.536682][ T10] netdev_get_by_index+0x5e/0x80 [ 9443.536682][ T10] fib6_nh_init+0x3d8/0x1580 [ 9443.536682][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9443.536682][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9443.536682][ T10] ipv6_add_addr+0x411/0x2000 [ 9443.536682][ T10] inet6_addr_add+0x30e/0xa40 [ 9443.536682][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9443.536682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9443.536682][ T10] netlink_rcv_skb+0x130/0x360 [ 9443.536682][ T10] netlink_unicast+0x449/0x710 [ 9443.536682][ T10] netlink_sendmsg+0x723/0xbe0 [ 9443.536682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9443.536682][ T10] ___sys_sendmsg+0xee/0x170 [ 9443.536682][ T10] __sys_sendmsg+0xcd/0x170 [ 9443.536682][ T10] do_syscall_64+0xc6/0x1e0 [ 9443.536682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9443.536682][ T10] [ 9443.538674][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9443.538674][ T10] netdev_get_by_index+0x5e/0x80 [ 9443.538674][ T10] fib6_nh_init+0x3d8/0x1580 [ 9443.538674][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9443.538674][ T10] ip6_route_add+0x1c/0x140 [ 9443.538674][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9443.538674][ T10] addrconf_add_dev+0xe2/0x170 [ 9443.538674][ T10] inet6_addr_add+0x12f/0xa40 [ 9443.538674][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9443.538674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9443.538674][ T10] netlink_rcv_skb+0x130/0x360 [ 9443.538674][ T10] netlink_unicast+0x449/0x710 [ 9443.538674][ T10] netlink_sendmsg+0x723/0xbe0 [ 9443.538674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9443.538674][ T10] ___sys_sendmsg+0xee/0x170 [ 9443.538674][ T10] __sys_sendmsg+0xcd/0x170 [ 9443.538674][ T10] do_syscall_64+0xc6/0x1e0 [ 9443.538674][ T10] [ 9443.540619][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9443.540619][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9443.540619][ T10] ipv6_find_idev+0x102/0x170 [ 9443.540619][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9443.540619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9443.540619][ T10] netlink_rcv_skb+0x130/0x360 [ 9443.540619][ T10] netlink_unicast+0x449/0x710 [ 9443.540619][ T10] netlink_sendmsg+0x723/0xbe0 [ 9443.540619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9443.540619][ T10] ___sys_sendmsg+0xee/0x170 [ 9443.540619][ T10] __sys_sendmsg+0xcd/0x170 [ 9443.540619][ T10] do_syscall_64+0xc6/0x1e0 [ 9443.540619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9443.540619][ T10] [ 9443.542140][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9443.542140][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9443.542140][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9443.542140][ T10] ipv6_find_idev+0x102/0x170 [ 9443.542140][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9443.542140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9443.542140][ T10] netlink_rcv_skb+0x130/0x360 [ 9443.542140][ T10] netlink_unicast+0x449/0x710 [ 9443.542140][ T10] netlink_sendmsg+0x723/0xbe0 [ 9443.542140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9443.542140][ T10] ___sys_sendmsg+0xee/0x170 [ 9443.542140][ T10] __sys_sendmsg+0xcd/0x170 [ 9443.542140][ T10] do_syscall_64+0xc6/0x1e0 [ 9443.542140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9443.542140][ T10] [ 9443.543806][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9443.544057][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9443.544057][ T10] netdev_get_by_index+0x5e/0x80 [ 9443.544057][ T10] fib6_nh_init+0x3d8/0x1580 [ 9443.544057][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9443.544057][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9443.544057][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9443.544057][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9443.544057][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9443.544057][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9443.544057][ T10] addrconf_dad_begin+0x310/0x670 [ 9443.544057][ T10] addrconf_dad_work+0x10b/0xab0 [ 9443.544057][ T10] process_one_work+0x84d/0x18a0 [ 9443.544057][ T10] worker_thread+0x587/0xd30 [ 9443.544057][ T10] kthread+0x28a/0x350 [ 9443.544057][ T10] ret_from_fork+0x31/0x70 [ 9443.544057][ T10] ret_from_fork_asm+0x1a/0x30 [ 9443.544057][ T10] [ 9443.545951][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9443.545951][ T10] netdev_get_by_index+0x5e/0x80 [ 9443.545951][ T10] fib6_nh_init+0x3d8/0x1580 [ 9443.545951][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9443.545951][ T10] ip6_route_add+0x1c/0x140 [ 9443.545951][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9443.545951][ T10] inet6_addr_add+0x4f8/0xa40 [ 9443.545951][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9443.545951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9443.545951][ T10] netlink_rcv_skb+0x130/0x360 [ 9443.545951][ T10] netlink_unicast+0x449/0x710 [ 9443.545951][ T10] netlink_sendmsg+0x723/0xbe0 [ 9443.545951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9443.545951][ T10] ___sys_sendmsg+0xee/0x170 [ 9443.545951][ T10] __sys_sendmsg+0xcd/0x170 [ 9443.545951][ T10] do_syscall_64+0xc6/0x1e0 [ 9443.545951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9443.545951][ T10] [ 9443.548111][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9443.548111][ T10] netdev_get_by_index+0x5e/0x80 [ 9443.548111][ T10] fib6_nh_init+0x3d8/0x1580 [ 9443.548111][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9443.548111][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9443.548111][ T10] ipv6_add_addr+0x411/0x2000 [ 9443.548111][ T10] inet6_addr_add+0x30e/0xa40 [ 9443.548111][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9443.548111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9443.548111][ T10] netlink_rcv_skb+0x130/0x360 [ 9443.548111][ T10] netlink_unicast+0x449/0x710 [ 9443.548111][ T10] netlink_sendmsg+0x723/0xbe0 [ 9443.548111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9443.548111][ T10] ___sys_sendmsg+0xee/0x170 [ 9443.548111][ T10] __sys_sendmsg+0xcd/0x170 [ 9443.548111][ T10] do_syscall_64+0xc6/0x1e0 [ 9443.548111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9443.548111][ T10] [ 9443.550396][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9443.550396][ T10] netdev_get_by_index+0x5e/0x80 [ 9443.550396][ T10] fib6_nh_init+0x3d8/0x1580 [ 9443.550396][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9443.550396][ T10] ip6_route_add+0x1c/0x140 [ 9443.550396][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9443.550396][ T10] addrconf_add_dev+0xe2/0x170 [ 9443.550396][ T10] inet6_addr_add+0x12f/0xa40 [ 9443.550396][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9443.550396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9443.550396][ T10] netlink_rcv_skb+0x130/0x360 [ 9443.550396][ T10] netlink_unicast+0x449/0x710 [ 9443.550396][ T10] netlink_sendmsg+0x723/0xbe0 [ 9443.550396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9443.550396][ T10] ___sys_sendmsg+0xee/0x170 [ 9443.550396][ T10] __sys_sendmsg+0xcd/0x170 [ 9443.550396][ T10] do_syscall_64+0xc6/0x1e0 [ 9443.550396][ T10] [ 9443.552518][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9443.552518][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9443.552518][ T10] ipv6_find_idev+0x102/0x170 [ 9443.552518][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9443.552518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9443.552518][ T10] netlink_rcv_skb+0x130/0x360 [ 9443.552518][ T10] netlink_unicast+0x449/0x710 [ 9443.552518][ T10] netlink_sendmsg+0x723/0xbe0 [ 9443.552518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9443.552518][ T10] ___sys_sendmsg+0xee/0x170 [ 9443.552518][ T10] __sys_sendmsg+0xcd/0x170 [ 9443.552518][ T10] do_syscall_64+0xc6/0x1e0 [ 9443.552518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9443.552518][ T10] [ 9443.554235][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9443.554235][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9443.554235][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9443.554235][ T10] ipv6_find_idev+0x102/0x170 [ 9443.554235][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9443.554235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9443.554235][ T10] netlink_rcv_skb+0x130/0x360 [ 9443.554235][ T10] netlink_unicast+0x449/0x710 [ 9443.554235][ T10] netlink_sendmsg+0x723/0xbe0 [ 9443.554235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9443.554235][ T10] ___sys_sendmsg+0xee/0x170 [ 9443.554235][ T10] __sys_sendmsg+0xcd/0x170 [ 9443.554235][ T10] do_syscall_64+0xc6/0x1e0 [ 9443.554235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9443.554235][ T10] [ 9443.556123][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9443.556356][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9443.556356][ T10] netdev_get_by_index+0x5e/0x80 [ 9443.556356][ T10] fib6_nh_init+0x3d8/0x1580 [ 9443.556356][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9443.556356][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9443.556356][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9443.556356][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9443.556356][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9443.556356][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9443.556356][ T10] addrconf_dad_begin+0x310/0x670 [ 9443.556356][ T10] addrconf_dad_work+0x10b/0xab0 [ 9443.556356][ T10] process_one_work+0x84d/0x18a0 [ 9443.556356][ T10] worker_thread+0x587/0xd30 [ 9443.556356][ T10] kthread+0x28a/0x350 [ 9443.556356][ T10] ret_from_fork+0x31/0x70 [ 9443.556356][ T10] ret_from_fork_asm+0x1a/0x30 [ 9443.556356][ T10] [ 9443.558550][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9443.558550][ T10] netdev_get_by_index+0x5e/0x80 [ 9443.558550][ T10] fib6_nh_init+0x3d8/0x1580 [ 9443.558550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9443.558550][ T10] ip6_route_add+0x1c/0x140 [ 9443.558550][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9443.558550][ T10] inet6_addr_add+0x4f8/0xa40 [ 9443.558550][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9443.558550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9443.558550][ T10] netlink_rcv_skb+0x130/0x360 [ 9443.558550][ T10] netlink_unicast+0x449/0x710 [ 9443.558550][ T10] netlink_sendmsg+0x723/0xbe0 [ 9443.558550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9443.558550][ T10] ___sys_sendmsg+0xee/0x170 [ 9443.558550][ T10] __sys_sendmsg+0xcd/0x170 [ 9443.558550][ T10] do_syscall_64+0xc6/0x1e0 [ 9443.558550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9443.558550][ T10] [ 9443.561434][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9443.561434][ T10] netdev_get_by_index+0x5e/0x80 [ 9443.561434][ T10] fib6_nh_init+0x3d8/0x1580 [ 9443.561434][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9443.561434][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9443.561434][ T10] ipv6_add_addr+0x411/0x2000 [ 9443.561434][ T10] inet6_addr_add+0x30e/0xa40 [ 9443.561434][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9443.561434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9443.561434][ T10] netlink_rcv_skb+0x130/0x360 [ 9443.561434][ T10] netlink_unicast+0x449/0x710 [ 9443.561434][ T10] netlink_sendmsg+0x723/0xbe0 [ 9443.561434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9443.561434][ T10] ___sys_sendmsg+0xee/0x170 [ 9443.561434][ T10] __sys_sendmsg+0xcd/0x170 [ 9443.561434][ T10] do_syscall_64+0xc6/0x1e0 [ 9443.561434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9443.561434][ T10] [ 9443.565085][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9443.565085][ T10] netdev_get_by_index+0x5e/0x80 [ 9443.565085][ T10] fib6_nh_init+0x3d8/0x1580 [ 9443.565085][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9443.565085][ T10] ip6_route_add+0x1c/0x140 [ 9443.565085][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9443.565085][ T10] addrconf_add_dev+0xe2/0x170 [ 9443.565085][ T10] inet6_addr_add+0x12f/0xa40 [ 9443.565085][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9443.565085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9443.565085][ T10] netlink_rcv_skb+0x130/0x360 [ 9443.565085][ T10] netlink_unicast+0x449/0x710 [ 9443.565085][ T10] netlink_sendmsg+0x723/0xbe0 [ 9443.565085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9443.565085][ T10] ___sys_sendmsg+0xee/0x170 [ 9443.565085][ T10] __sys_sendmsg+0xcd/0x170 [ 9443.565085][ T10] do_syscall_64+0xc6/0x1e0 [ 9443.565085][ T10] [ 9443.568682][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9443.568682][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9443.568682][ T10] ipv6_find_idev+0x102/0x170 [ 9443.568682][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9443.568682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9443.568682][ T10] netlink_rcv_skb+0x130/0x360 [ 9443.568682][ T10] netlink_unicast+0x449/0x710 [ 9443.568682][ T10] netlink_sendmsg+0x723/0xbe0 [ 9443.568682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9443.568682][ T10] ___sys_sendmsg+0xee/0x170 [ 9443.568682][ T10] __sys_sendmsg+0xcd/0x170 [ 9443.568682][ T10] do_syscall_64+0xc6/0x1e0 [ 9443.568682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9443.568682][ T10] [ 9443.571476][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9443.571476][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9443.571476][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9443.571476][ T10] ipv6_find_idev+0x102/0x170 [ 9443.571476][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9443.571476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9443.571476][ T10] netlink_rcv_skb+0x130/0x360 [ 9443.571476][ T10] netlink_unicast+0x449/0x710 [ 9443.571476][ T10] netlink_sendmsg+0x723/0xbe0 [ 9443.571476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9443.571476][ T10] ___sys_sendmsg+0xee/0x170 [ 9443.571476][ T10] __sys_sendmsg+0xcd/0x170 [ 9443.571476][ T10] do_syscall_64+0xc6/0x1e0 [ 9443.571476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9443.571476][ T10] [ 9448.385107][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9448.385591][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9448.385591][ T1167] dst_init+0x84/0x4a0 [ 9448.385591][ T1167] dst_alloc+0x97/0x150 [ 9448.385591][ T1167] ip6_dst_alloc+0x23/0x90 [ 9448.385591][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9448.385591][ T1167] ip6_pol_route+0x56f/0x840 [ 9448.385591][ T1167] fib6_rule_lookup+0x334/0x630 [ 9448.385591][ T1167] ip6_route_output_flags+0x259/0x480 [ 9448.385591][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9448.385591][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9448.385591][ T1167] netlink_rcv_skb+0x130/0x360 [ 9448.385591][ T1167] netlink_unicast+0x449/0x710 [ 9448.385591][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9448.385591][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9448.385591][ T1167] ___sys_sendmsg+0xee/0x170 [ 9448.385591][ T1167] __sys_sendmsg+0xcd/0x170 [ 9448.385591][ T1167] do_syscall_64+0xc6/0x1e0 [ 9448.385591][ T1167] [ 9448.387788][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9448.387788][ T1167] netdev_get_by_index+0x5e/0x80 [ 9448.387788][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9448.387788][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9448.387788][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9448.387788][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9448.387788][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9448.387788][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9448.387788][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9448.387788][ T1167] addrconf_dad_begin+0x310/0x670 [ 9448.387788][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9448.387788][ T1167] process_one_work+0x84d/0x18a0 [ 9448.387788][ T1167] worker_thread+0x587/0xd30 [ 9448.387788][ T1167] kthread+0x28a/0x350 [ 9448.387788][ T1167] ret_from_fork+0x31/0x70 [ 9448.387788][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9448.387788][ T1167] [ 9448.389943][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9448.389943][ T1167] netdev_get_by_index+0x5e/0x80 [ 9448.389943][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9448.389943][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9448.389943][ T1167] ip6_route_add+0x1c/0x140 [ 9448.389943][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9448.389943][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9448.389943][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9448.389943][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9448.389943][ T1167] netlink_rcv_skb+0x130/0x360 [ 9448.389943][ T1167] netlink_unicast+0x449/0x710 [ 9448.389943][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9448.389943][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9448.389943][ T1167] ___sys_sendmsg+0xee/0x170 [ 9448.389943][ T1167] __sys_sendmsg+0xcd/0x170 [ 9448.389943][ T1167] do_syscall_64+0xc6/0x1e0 [ 9448.389943][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9448.389943][ T1167] [ 9448.392176][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9448.392176][ T1167] netdev_get_by_index+0x5e/0x80 [ 9448.392176][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9448.392176][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9448.392176][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9448.392176][ T1167] ipv6_add_addr+0x411/0x2000 [ 9448.392176][ T1167] inet6_addr_add+0x30e/0xa40 [ 9448.392176][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9448.392176][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9448.392176][ T1167] netlink_rcv_skb+0x130/0x360 [ 9448.392176][ T1167] netlink_unicast+0x449/0x710 [ 9448.392176][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9448.392176][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9448.392176][ T1167] ___sys_sendmsg+0xee/0x170 [ 9448.392176][ T1167] __sys_sendmsg+0xcd/0x170 [ 9448.392176][ T1167] do_syscall_64+0xc6/0x1e0 [ 9448.392176][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9448.392176][ T1167] [ 9448.394944][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9448.394944][ T1167] netdev_get_by_index+0x5e/0x80 [ 9448.394944][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9448.394944][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9448.394944][ T1167] ip6_route_add+0x1c/0x140 [ 9448.394944][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9448.394944][ T1167] addrconf_add_dev+0xe2/0x170 [ 9448.394944][ T1167] inet6_addr_add+0x12f/0xa40 [ 9448.394944][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9448.394944][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9448.394944][ T1167] netlink_rcv_skb+0x130/0x360 [ 9448.394944][ T1167] netlink_unicast+0x449/0x710 [ 9448.394944][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9448.394944][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9448.394944][ T1167] ___sys_sendmsg+0xee/0x170 [ 9448.394944][ T1167] __sys_sendmsg+0xcd/0x170 [ 9448.394944][ T1167] do_syscall_64+0xc6/0x1e0 [ 9448.394944][ T1167] [ 9448.397128][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9448.397128][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9448.397128][ T1167] ipv6_find_idev+0x102/0x170 [ 9448.397128][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9448.397128][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9448.397128][ T1167] netlink_rcv_skb+0x130/0x360 [ 9448.397128][ T1167] netlink_unicast+0x449/0x710 [ 9448.397128][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9448.397128][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9448.397128][ T1167] ___sys_sendmsg+0xee/0x170 [ 9448.397128][ T1167] __sys_sendmsg+0xcd/0x170 [ 9448.397128][ T1167] do_syscall_64+0xc6/0x1e0 [ 9448.397128][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9448.397128][ T1167] [ 9448.398837][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9448.398837][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9448.398837][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9448.398837][ T1167] ipv6_find_idev+0x102/0x170 [ 9448.398837][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9448.398837][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9448.398837][ T1167] netlink_rcv_skb+0x130/0x360 [ 9448.398837][ T1167] netlink_unicast+0x449/0x710 [ 9448.398837][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9448.398837][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9448.398837][ T1167] ___sys_sendmsg+0xee/0x170 [ 9448.398837][ T1167] __sys_sendmsg+0xcd/0x170 [ 9448.398837][ T1167] do_syscall_64+0xc6/0x1e0 [ 9448.398837][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9448.398837][ T1167] [ 9453.761107][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9453.761524][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9453.761524][ T10] netdev_get_by_index+0x5e/0x80 [ 9453.761524][ T10] fib6_nh_init+0x3d8/0x1580 [ 9453.761524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9453.761524][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9453.761524][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9453.761524][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9453.761524][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9453.761524][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9453.761524][ T10] addrconf_dad_begin+0x310/0x670 [ 9453.761524][ T10] addrconf_dad_work+0x10b/0xab0 [ 9453.761524][ T10] process_one_work+0x84d/0x18a0 [ 9453.761524][ T10] worker_thread+0x587/0xd30 [ 9453.761524][ T10] kthread+0x28a/0x350 [ 9453.761524][ T10] ret_from_fork+0x31/0x70 [ 9453.761524][ T10] ret_from_fork_asm+0x1a/0x30 [ 9453.761524][ T10] [ 9453.763447][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9453.763447][ T10] netdev_get_by_index+0x5e/0x80 [ 9453.763447][ T10] fib6_nh_init+0x3d8/0x1580 [ 9453.763447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9453.763447][ T10] ip6_route_add+0x1c/0x140 [ 9453.763447][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9453.763447][ T10] inet6_addr_add+0x4f8/0xa40 [ 9453.763447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9453.763447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9453.763447][ T10] netlink_rcv_skb+0x130/0x360 [ 9453.763447][ T10] netlink_unicast+0x449/0x710 [ 9453.763447][ T10] netlink_sendmsg+0x723/0xbe0 [ 9453.763447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9453.763447][ T10] ___sys_sendmsg+0xee/0x170 [ 9453.763447][ T10] __sys_sendmsg+0xcd/0x170 [ 9453.763447][ T10] do_syscall_64+0xc6/0x1e0 [ 9453.763447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9453.763447][ T10] [ 9453.765436][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9453.765436][ T10] netdev_get_by_index+0x5e/0x80 [ 9453.765436][ T10] fib6_nh_init+0x3d8/0x1580 [ 9453.765436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9453.765436][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9453.765436][ T10] ipv6_add_addr+0x411/0x2000 [ 9453.765436][ T10] inet6_addr_add+0x30e/0xa40 [ 9453.765436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9453.765436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9453.765436][ T10] netlink_rcv_skb+0x130/0x360 [ 9453.765436][ T10] netlink_unicast+0x449/0x710 [ 9453.765436][ T10] netlink_sendmsg+0x723/0xbe0 [ 9453.765436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9453.765436][ T10] ___sys_sendmsg+0xee/0x170 [ 9453.765436][ T10] __sys_sendmsg+0xcd/0x170 [ 9453.765436][ T10] do_syscall_64+0xc6/0x1e0 [ 9453.765436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9453.765436][ T10] [ 9453.767433][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9453.767433][ T10] netdev_get_by_index+0x5e/0x80 [ 9453.767433][ T10] fib6_nh_init+0x3d8/0x1580 [ 9453.767433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9453.767433][ T10] ip6_route_add+0x1c/0x140 [ 9453.767433][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9453.767433][ T10] addrconf_add_dev+0xe2/0x170 [ 9453.767433][ T10] inet6_addr_add+0x12f/0xa40 [ 9453.767433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9453.767433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9453.767433][ T10] netlink_rcv_skb+0x130/0x360 [ 9453.767433][ T10] netlink_unicast+0x449/0x710 [ 9453.767433][ T10] netlink_sendmsg+0x723/0xbe0 [ 9453.767433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9453.767433][ T10] ___sys_sendmsg+0xee/0x170 [ 9453.767433][ T10] __sys_sendmsg+0xcd/0x170 [ 9453.767433][ T10] do_syscall_64+0xc6/0x1e0 [ 9453.767433][ T10] [ 9453.769387][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9453.769387][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9453.769387][ T10] ipv6_find_idev+0x102/0x170 [ 9453.769387][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9453.769387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9453.769387][ T10] netlink_rcv_skb+0x130/0x360 [ 9453.769387][ T10] netlink_unicast+0x449/0x710 [ 9453.769387][ T10] netlink_sendmsg+0x723/0xbe0 [ 9453.769387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9453.769387][ T10] ___sys_sendmsg+0xee/0x170 [ 9453.769387][ T10] __sys_sendmsg+0xcd/0x170 [ 9453.769387][ T10] do_syscall_64+0xc6/0x1e0 [ 9453.769387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9453.769387][ T10] [ 9453.770909][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9453.770909][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9453.770909][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9453.770909][ T10] ipv6_find_idev+0x102/0x170 [ 9453.770909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9453.770909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9453.770909][ T10] netlink_rcv_skb+0x130/0x360 [ 9453.770909][ T10] netlink_unicast+0x449/0x710 [ 9453.770909][ T10] netlink_sendmsg+0x723/0xbe0 [ 9453.770909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9453.770909][ T10] ___sys_sendmsg+0xee/0x170 [ 9453.770909][ T10] __sys_sendmsg+0xcd/0x170 [ 9453.770909][ T10] do_syscall_64+0xc6/0x1e0 [ 9453.770909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9453.770909][ T10] [ 9453.772588][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9453.772828][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9453.772828][ T10] netdev_get_by_index+0x5e/0x80 [ 9453.772828][ T10] fib6_nh_init+0x3d8/0x1580 [ 9453.772828][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9453.772828][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9453.772828][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9453.772828][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9453.772828][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9453.772828][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9453.772828][ T10] addrconf_dad_begin+0x310/0x670 [ 9453.772828][ T10] addrconf_dad_work+0x10b/0xab0 [ 9453.772828][ T10] process_one_work+0x84d/0x18a0 [ 9453.772828][ T10] worker_thread+0x587/0xd30 [ 9453.772828][ T10] kthread+0x28a/0x350 [ 9453.772828][ T10] ret_from_fork+0x31/0x70 [ 9453.772828][ T10] ret_from_fork_asm+0x1a/0x30 [ 9453.772828][ T10] [ 9453.774730][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9453.774730][ T10] netdev_get_by_index+0x5e/0x80 [ 9453.774730][ T10] fib6_nh_init+0x3d8/0x1580 [ 9453.774730][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9453.774730][ T10] ip6_route_add+0x1c/0x140 [ 9453.774730][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9453.774730][ T10] inet6_addr_add+0x4f8/0xa40 [ 9453.774730][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9453.774730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9453.774730][ T10] netlink_rcv_skb+0x130/0x360 [ 9453.774730][ T10] netlink_unicast+0x449/0x710 [ 9453.774730][ T10] netlink_sendmsg+0x723/0xbe0 [ 9453.774730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9453.774730][ T10] ___sys_sendmsg+0xee/0x170 [ 9453.774730][ T10] __sys_sendmsg+0xcd/0x170 [ 9453.774730][ T10] do_syscall_64+0xc6/0x1e0 [ 9453.774730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9453.774730][ T10] [ 9453.776709][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9453.776709][ T10] netdev_get_by_index+0x5e/0x80 [ 9453.776709][ T10] fib6_nh_init+0x3d8/0x1580 [ 9453.776709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9453.776709][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9453.776709][ T10] ipv6_add_addr+0x411/0x2000 [ 9453.776709][ T10] inet6_addr_add+0x30e/0xa40 [ 9453.776709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9453.776709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9453.776709][ T10] netlink_rcv_skb+0x130/0x360 [ 9453.776709][ T10] netlink_unicast+0x449/0x710 [ 9453.776709][ T10] netlink_sendmsg+0x723/0xbe0 [ 9453.776709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9453.776709][ T10] ___sys_sendmsg+0xee/0x170 [ 9453.776709][ T10] __sys_sendmsg+0xcd/0x170 [ 9453.776709][ T10] do_syscall_64+0xc6/0x1e0 [ 9453.776709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9453.776709][ T10] [ 9453.778682][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9453.778682][ T10] netdev_get_by_index+0x5e/0x80 [ 9453.778682][ T10] fib6_nh_init+0x3d8/0x1580 [ 9453.778682][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9453.778682][ T10] ip6_route_add+0x1c/0x140 [ 9453.778682][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9453.778682][ T10] addrconf_add_dev+0xe2/0x170 [ 9453.778682][ T10] inet6_addr_add+0x12f/0xa40 [ 9453.778682][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9453.778682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9453.778682][ T10] netlink_rcv_skb+0x130/0x360 [ 9453.778682][ T10] netlink_unicast+0x449/0x710 [ 9453.778682][ T10] netlink_sendmsg+0x723/0xbe0 [ 9453.778682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9453.778682][ T10] ___sys_sendmsg+0xee/0x170 [ 9453.778682][ T10] __sys_sendmsg+0xcd/0x170 [ 9453.778682][ T10] do_syscall_64+0xc6/0x1e0 [ 9453.778682][ T10] [ 9453.780626][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9453.780626][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9453.780626][ T10] ipv6_find_idev+0x102/0x170 [ 9453.780626][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9453.780626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9453.780626][ T10] netlink_rcv_skb+0x130/0x360 [ 9453.780626][ T10] netlink_unicast+0x449/0x710 [ 9453.780626][ T10] netlink_sendmsg+0x723/0xbe0 [ 9453.780626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9453.780626][ T10] ___sys_sendmsg+0xee/0x170 [ 9453.780626][ T10] __sys_sendmsg+0xcd/0x170 [ 9453.780626][ T10] do_syscall_64+0xc6/0x1e0 [ 9453.780626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9453.780626][ T10] [ 9453.782169][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9453.782169][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9453.782169][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9453.782169][ T10] ipv6_find_idev+0x102/0x170 [ 9453.782169][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9453.782169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9453.782169][ T10] netlink_rcv_skb+0x130/0x360 [ 9453.782169][ T10] netlink_unicast+0x449/0x710 [ 9453.782169][ T10] netlink_sendmsg+0x723/0xbe0 [ 9453.782169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9453.782169][ T10] ___sys_sendmsg+0xee/0x170 [ 9453.782169][ T10] __sys_sendmsg+0xcd/0x170 [ 9453.782169][ T10] do_syscall_64+0xc6/0x1e0 [ 9453.782169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9453.782169][ T10] [ 9453.783845][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9453.784094][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9453.784094][ T10] netdev_get_by_index+0x5e/0x80 [ 9453.784094][ T10] fib6_nh_init+0x3d8/0x1580 [ 9453.784094][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9453.784094][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9453.784094][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9453.784094][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9453.784094][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9453.784094][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9453.784094][ T10] addrconf_dad_begin+0x310/0x670 [ 9453.784094][ T10] addrconf_dad_work+0x10b/0xab0 [ 9453.784094][ T10] process_one_work+0x84d/0x18a0 [ 9453.784094][ T10] worker_thread+0x587/0xd30 [ 9453.784094][ T10] kthread+0x28a/0x350 [ 9453.784094][ T10] ret_from_fork+0x31/0x70 [ 9453.784094][ T10] ret_from_fork_asm+0x1a/0x30 [ 9453.784094][ T10] [ 9453.785998][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9453.785998][ T10] netdev_get_by_index+0x5e/0x80 [ 9453.785998][ T10] fib6_nh_init+0x3d8/0x1580 [ 9453.785998][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9453.785998][ T10] ip6_route_add+0x1c/0x140 [ 9453.785998][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9453.785998][ T10] inet6_addr_add+0x4f8/0xa40 [ 9453.785998][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9453.785998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9453.785998][ T10] netlink_rcv_skb+0x130/0x360 [ 9453.785998][ T10] netlink_unicast+0x449/0x710 [ 9453.785998][ T10] netlink_sendmsg+0x723/0xbe0 [ 9453.785998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9453.785998][ T10] ___sys_sendmsg+0xee/0x170 [ 9453.785998][ T10] __sys_sendmsg+0xcd/0x170 [ 9453.785998][ T10] do_syscall_64+0xc6/0x1e0 [ 9453.785998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9453.785998][ T10] [ 9453.788107][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9453.788107][ T10] netdev_get_by_index+0x5e/0x80 [ 9453.788107][ T10] fib6_nh_init+0x3d8/0x1580 [ 9453.788107][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9453.788107][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9453.788107][ T10] ipv6_add_addr+0x411/0x2000 [ 9453.788107][ T10] inet6_addr_add+0x30e/0xa40 [ 9453.788107][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9453.788107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9453.788107][ T10] netlink_rcv_skb+0x130/0x360 [ 9453.788107][ T10] netlink_unicast+0x449/0x710 [ 9453.788107][ T10] netlink_sendmsg+0x723/0xbe0 [ 9453.788107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9453.788107][ T10] ___sys_sendmsg+0xee/0x170 [ 9453.788107][ T10] __sys_sendmsg+0xcd/0x170 [ 9453.788107][ T10] do_syscall_64+0xc6/0x1e0 [ 9453.788107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9453.788107][ T10] [ 9453.790208][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9453.790208][ T10] netdev_get_by_index+0x5e/0x80 [ 9453.790208][ T10] fib6_nh_init+0x3d8/0x1580 [ 9453.790208][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9453.790208][ T10] ip6_route_add+0x1c/0x140 [ 9453.790208][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9453.790208][ T10] addrconf_add_dev+0xe2/0x170 [ 9453.790208][ T10] inet6_addr_add+0x12f/0xa40 [ 9453.790208][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9453.790208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9453.790208][ T10] netlink_rcv_skb+0x130/0x360 [ 9453.790208][ T10] netlink_unicast+0x449/0x710 [ 9453.790208][ T10] netlink_sendmsg+0x723/0xbe0 [ 9453.790208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9453.790208][ T10] ___sys_sendmsg+0xee/0x170 [ 9453.790208][ T10] __sys_sendmsg+0xcd/0x170 [ 9453.790208][ T10] do_syscall_64+0xc6/0x1e0 [ 9453.790208][ T10] [ 9453.792276][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9453.792276][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9453.792276][ T10] ipv6_find_idev+0x102/0x170 [ 9453.792276][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9453.792276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9453.792276][ T10] netlink_rcv_skb+0x130/0x360 [ 9453.792276][ T10] netlink_unicast+0x449/0x710 [ 9453.792276][ T10] netlink_sendmsg+0x723/0xbe0 [ 9453.792276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9453.792276][ T10] ___sys_sendmsg+0xee/0x170 [ 9453.792276][ T10] __sys_sendmsg+0xcd/0x170 [ 9453.792276][ T10] do_syscall_64+0xc6/0x1e0 [ 9453.792276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9453.792276][ T10] [ 9453.793866][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9453.793866][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9453.793866][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9453.793866][ T10] ipv6_find_idev+0x102/0x170 [ 9453.793866][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9453.793866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9453.793866][ T10] netlink_rcv_skb+0x130/0x360 [ 9453.793866][ T10] netlink_unicast+0x449/0x710 [ 9453.793866][ T10] netlink_sendmsg+0x723/0xbe0 [ 9453.793866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9453.793866][ T10] ___sys_sendmsg+0xee/0x170 [ 9453.793866][ T10] __sys_sendmsg+0xcd/0x170 [ 9453.793866][ T10] do_syscall_64+0xc6/0x1e0 [ 9453.793866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9453.793866][ T10] [ 9453.795677][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9453.795909][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9453.795909][ T10] netdev_get_by_index+0x5e/0x80 [ 9453.795909][ T10] fib6_nh_init+0x3d8/0x1580 [ 9453.795909][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9453.795909][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9453.795909][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9453.795909][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9453.795909][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9453.795909][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9453.795909][ T10] addrconf_dad_begin+0x310/0x670 [ 9453.795909][ T10] addrconf_dad_work+0x10b/0xab0 [ 9453.795909][ T10] process_one_work+0x84d/0x18a0 [ 9453.795909][ T10] worker_thread+0x587/0xd30 [ 9453.795909][ T10] kthread+0x28a/0x350 [ 9453.795909][ T10] ret_from_fork+0x31/0x70 [ 9453.795909][ T10] ret_from_fork_asm+0x1a/0x30 [ 9453.795909][ T10] [ 9453.797923][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9453.797923][ T10] netdev_get_by_index+0x5e/0x80 [ 9453.797923][ T10] fib6_nh_init+0x3d8/0x1580 [ 9453.797923][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9453.797923][ T10] ip6_route_add+0x1c/0x140 [ 9453.797923][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9453.797923][ T10] inet6_addr_add+0x4f8/0xa40 [ 9453.797923][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9453.797923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9453.797923][ T10] netlink_rcv_skb+0x130/0x360 [ 9453.797923][ T10] netlink_unicast+0x449/0x710 [ 9453.797923][ T10] netlink_sendmsg+0x723/0xbe0 [ 9453.797923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9453.797923][ T10] ___sys_sendmsg+0xee/0x170 [ 9453.797923][ T10] __sys_sendmsg+0xcd/0x170 [ 9453.797923][ T10] do_syscall_64+0xc6/0x1e0 [ 9453.797923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9453.797923][ T10] [ 9453.800549][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9453.800549][ T10] netdev_get_by_index+0x5e/0x80 [ 9453.800549][ T10] fib6_nh_init+0x3d8/0x1580 [ 9453.800549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9453.800549][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9453.800549][ T10] ipv6_add_addr+0x411/0x2000 [ 9453.800549][ T10] inet6_addr_add+0x30e/0xa40 [ 9453.800549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9453.800549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9453.800549][ T10] netlink_rcv_skb+0x130/0x360 [ 9453.800549][ T10] netlink_unicast+0x449/0x710 [ 9453.800549][ T10] netlink_sendmsg+0x723/0xbe0 [ 9453.800549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9453.800549][ T10] ___sys_sendmsg+0xee/0x170 [ 9453.800549][ T10] __sys_sendmsg+0xcd/0x170 [ 9453.800549][ T10] do_syscall_64+0xc6/0x1e0 [ 9453.800549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9453.800549][ T10] [ 9453.802647][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9453.802647][ T10] netdev_get_by_index+0x5e/0x80 [ 9453.802647][ T10] fib6_nh_init+0x3d8/0x1580 [ 9453.802647][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9453.802647][ T10] ip6_route_add+0x1c/0x140 [ 9453.802647][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9453.802647][ T10] addrconf_add_dev+0xe2/0x170 [ 9453.802647][ T10] inet6_addr_add+0x12f/0xa40 [ 9453.802647][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9453.802647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9453.802647][ T10] netlink_rcv_skb+0x130/0x360 [ 9453.802647][ T10] netlink_unicast+0x449/0x710 [ 9453.802647][ T10] netlink_sendmsg+0x723/0xbe0 [ 9453.802647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9453.802647][ T10] ___sys_sendmsg+0xee/0x170 [ 9453.802647][ T10] __sys_sendmsg+0xcd/0x170 [ 9453.802647][ T10] do_syscall_64+0xc6/0x1e0 [ 9453.802647][ T10] [ 9453.804726][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9453.804726][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9453.804726][ T10] ipv6_find_idev+0x102/0x170 [ 9453.804726][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9453.804726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9453.804726][ T10] netlink_rcv_skb+0x130/0x360 [ 9453.804726][ T10] netlink_unicast+0x449/0x710 [ 9453.804726][ T10] netlink_sendmsg+0x723/0xbe0 [ 9453.804726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9453.804726][ T10] ___sys_sendmsg+0xee/0x170 [ 9453.804726][ T10] __sys_sendmsg+0xcd/0x170 [ 9453.804726][ T10] do_syscall_64+0xc6/0x1e0 [ 9453.804726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9453.804726][ T10] [ 9453.806305][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9453.806305][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9453.806305][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9453.806305][ T10] ipv6_find_idev+0x102/0x170 [ 9453.806305][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9453.806305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9453.806305][ T10] netlink_rcv_skb+0x130/0x360 [ 9453.806305][ T10] netlink_unicast+0x449/0x710 [ 9453.806305][ T10] netlink_sendmsg+0x723/0xbe0 [ 9453.806305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9453.806305][ T10] ___sys_sendmsg+0xee/0x170 [ 9453.806305][ T10] __sys_sendmsg+0xcd/0x170 [ 9453.806305][ T10] do_syscall_64+0xc6/0x1e0 [ 9453.806305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9453.806305][ T10] [ 9458.649107][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9458.649609][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9458.649609][ T1167] dst_init+0x84/0x4a0 [ 9458.649609][ T1167] dst_alloc+0x97/0x150 [ 9458.649609][ T1167] ip6_dst_alloc+0x23/0x90 [ 9458.649609][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9458.649609][ T1167] ip6_pol_route+0x56f/0x840 [ 9458.649609][ T1167] fib6_rule_lookup+0x334/0x630 [ 9458.649609][ T1167] ip6_route_output_flags+0x259/0x480 [ 9458.649609][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9458.649609][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9458.649609][ T1167] netlink_rcv_skb+0x130/0x360 [ 9458.649609][ T1167] netlink_unicast+0x449/0x710 [ 9458.649609][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9458.649609][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9458.649609][ T1167] ___sys_sendmsg+0xee/0x170 [ 9458.649609][ T1167] __sys_sendmsg+0xcd/0x170 [ 9458.649609][ T1167] do_syscall_64+0xc6/0x1e0 [ 9458.649609][ T1167] [ 9458.651823][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9458.651823][ T1167] netdev_get_by_index+0x5e/0x80 [ 9458.651823][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9458.651823][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9458.651823][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9458.651823][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9458.651823][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9458.651823][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9458.651823][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9458.651823][ T1167] addrconf_dad_begin+0x310/0x670 [ 9458.651823][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9458.651823][ T1167] process_one_work+0x84d/0x18a0 [ 9458.651823][ T1167] worker_thread+0x587/0xd30 [ 9458.651823][ T1167] kthread+0x28a/0x350 [ 9458.651823][ T1167] ret_from_fork+0x31/0x70 [ 9458.651823][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9458.651823][ T1167] [ 9458.654015][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9458.654015][ T1167] netdev_get_by_index+0x5e/0x80 [ 9458.654015][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9458.654015][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9458.654015][ T1167] ip6_route_add+0x1c/0x140 [ 9458.654015][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9458.654015][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9458.654015][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9458.654015][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9458.654015][ T1167] netlink_rcv_skb+0x130/0x360 [ 9458.654015][ T1167] netlink_unicast+0x449/0x710 [ 9458.654015][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9458.654015][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9458.654015][ T1167] ___sys_sendmsg+0xee/0x170 [ 9458.654015][ T1167] __sys_sendmsg+0xcd/0x170 [ 9458.654015][ T1167] do_syscall_64+0xc6/0x1e0 [ 9458.654015][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9458.654015][ T1167] [ 9458.656274][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9458.656274][ T1167] netdev_get_by_index+0x5e/0x80 [ 9458.656274][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9458.656274][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9458.656274][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9458.656274][ T1167] ipv6_add_addr+0x411/0x2000 [ 9458.656274][ T1167] inet6_addr_add+0x30e/0xa40 [ 9458.656274][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9458.656274][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9458.656274][ T1167] netlink_rcv_skb+0x130/0x360 [ 9458.656274][ T1167] netlink_unicast+0x449/0x710 [ 9458.656274][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9458.656274][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9458.656274][ T1167] ___sys_sendmsg+0xee/0x170 [ 9458.656274][ T1167] __sys_sendmsg+0xcd/0x170 [ 9458.656274][ T1167] do_syscall_64+0xc6/0x1e0 [ 9458.656274][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9458.656274][ T1167] [ 9458.658535][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9458.658535][ T1167] netdev_get_by_index+0x5e/0x80 [ 9458.658535][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9458.658535][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9458.658535][ T1167] ip6_route_add+0x1c/0x140 [ 9458.658535][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9458.658535][ T1167] addrconf_add_dev+0xe2/0x170 [ 9458.658535][ T1167] inet6_addr_add+0x12f/0xa40 [ 9458.658535][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9458.658535][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9458.658535][ T1167] netlink_rcv_skb+0x130/0x360 [ 9458.658535][ T1167] netlink_unicast+0x449/0x710 [ 9458.658535][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9458.658535][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9458.658535][ T1167] ___sys_sendmsg+0xee/0x170 [ 9458.658535][ T1167] __sys_sendmsg+0xcd/0x170 [ 9458.658535][ T1167] do_syscall_64+0xc6/0x1e0 [ 9458.658535][ T1167] [ 9458.660768][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9458.660768][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9458.660768][ T1167] ipv6_find_idev+0x102/0x170 [ 9458.660768][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9458.660768][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9458.660768][ T1167] netlink_rcv_skb+0x130/0x360 [ 9458.660768][ T1167] netlink_unicast+0x449/0x710 [ 9458.660768][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9458.660768][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9458.660768][ T1167] ___sys_sendmsg+0xee/0x170 [ 9458.660768][ T1167] __sys_sendmsg+0xcd/0x170 [ 9458.660768][ T1167] do_syscall_64+0xc6/0x1e0 [ 9458.660768][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9458.660768][ T1167] [ 9458.662512][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9458.662512][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9458.662512][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9458.662512][ T1167] ipv6_find_idev+0x102/0x170 [ 9458.662512][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9458.662512][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9458.662512][ T1167] netlink_rcv_skb+0x130/0x360 [ 9458.662512][ T1167] netlink_unicast+0x449/0x710 [ 9458.662512][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9458.662512][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9458.662512][ T1167] ___sys_sendmsg+0xee/0x170 [ 9458.662512][ T1167] __sys_sendmsg+0xcd/0x170 [ 9458.662512][ T1167] do_syscall_64+0xc6/0x1e0 [ 9458.662512][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9458.662512][ T1167] [ 9463.945110][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9463.945521][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9463.945521][ T10] netdev_get_by_index+0x5e/0x80 [ 9463.945521][ T10] fib6_nh_init+0x3d8/0x1580 [ 9463.945521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9463.945521][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9463.945521][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9463.945521][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9463.945521][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9463.945521][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9463.945521][ T10] addrconf_dad_begin+0x310/0x670 [ 9463.945521][ T10] addrconf_dad_work+0x10b/0xab0 [ 9463.945521][ T10] process_one_work+0x84d/0x18a0 [ 9463.945521][ T10] worker_thread+0x587/0xd30 [ 9463.945521][ T10] kthread+0x28a/0x350 [ 9463.945521][ T10] ret_from_fork+0x31/0x70 [ 9463.945521][ T10] ret_from_fork_asm+0x1a/0x30 [ 9463.945521][ T10] [ 9463.947970][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9463.947970][ T10] netdev_get_by_index+0x5e/0x80 [ 9463.947970][ T10] fib6_nh_init+0x3d8/0x1580 [ 9463.947970][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9463.947970][ T10] ip6_route_add+0x1c/0x140 [ 9463.947970][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9463.947970][ T10] inet6_addr_add+0x4f8/0xa40 [ 9463.947970][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9463.947970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9463.947970][ T10] netlink_rcv_skb+0x130/0x360 [ 9463.947970][ T10] netlink_unicast+0x449/0x710 [ 9463.947970][ T10] netlink_sendmsg+0x723/0xbe0 [ 9463.947970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9463.947970][ T10] ___sys_sendmsg+0xee/0x170 [ 9463.947970][ T10] __sys_sendmsg+0xcd/0x170 [ 9463.947970][ T10] do_syscall_64+0xc6/0x1e0 [ 9463.947970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9463.947970][ T10] [ 9463.949967][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9463.949967][ T10] netdev_get_by_index+0x5e/0x80 [ 9463.949967][ T10] fib6_nh_init+0x3d8/0x1580 [ 9463.949967][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9463.949967][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9463.949967][ T10] ipv6_add_addr+0x411/0x2000 [ 9463.949967][ T10] inet6_addr_add+0x30e/0xa40 [ 9463.949967][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9463.949967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9463.949967][ T10] netlink_rcv_skb+0x130/0x360 [ 9463.949967][ T10] netlink_unicast+0x449/0x710 [ 9463.949967][ T10] netlink_sendmsg+0x723/0xbe0 [ 9463.949967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9463.949967][ T10] ___sys_sendmsg+0xee/0x170 [ 9463.949967][ T10] __sys_sendmsg+0xcd/0x170 [ 9463.949967][ T10] do_syscall_64+0xc6/0x1e0 [ 9463.949967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9463.949967][ T10] [ 9463.951951][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9463.951951][ T10] netdev_get_by_index+0x5e/0x80 [ 9463.951951][ T10] fib6_nh_init+0x3d8/0x1580 [ 9463.951951][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9463.951951][ T10] ip6_route_add+0x1c/0x140 [ 9463.951951][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9463.951951][ T10] addrconf_add_dev+0xe2/0x170 [ 9463.951951][ T10] inet6_addr_add+0x12f/0xa40 [ 9463.951951][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9463.951951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9463.951951][ T10] netlink_rcv_skb+0x130/0x360 [ 9463.951951][ T10] netlink_unicast+0x449/0x710 [ 9463.951951][ T10] netlink_sendmsg+0x723/0xbe0 [ 9463.951951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9463.951951][ T10] ___sys_sendmsg+0xee/0x170 [ 9463.951951][ T10] __sys_sendmsg+0xcd/0x170 [ 9463.951951][ T10] do_syscall_64+0xc6/0x1e0 [ 9463.951951][ T10] [ 9463.953913][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9463.953913][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9463.953913][ T10] ipv6_find_idev+0x102/0x170 [ 9463.953913][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9463.953913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9463.953913][ T10] netlink_rcv_skb+0x130/0x360 [ 9463.953913][ T10] netlink_unicast+0x449/0x710 [ 9463.953913][ T10] netlink_sendmsg+0x723/0xbe0 [ 9463.953913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9463.953913][ T10] ___sys_sendmsg+0xee/0x170 [ 9463.953913][ T10] __sys_sendmsg+0xcd/0x170 [ 9463.953913][ T10] do_syscall_64+0xc6/0x1e0 [ 9463.953913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9463.953913][ T10] [ 9463.955440][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9463.955440][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9463.955440][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9463.955440][ T10] ipv6_find_idev+0x102/0x170 [ 9463.955440][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9463.955440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9463.955440][ T10] netlink_rcv_skb+0x130/0x360 [ 9463.955440][ T10] netlink_unicast+0x449/0x710 [ 9463.955440][ T10] netlink_sendmsg+0x723/0xbe0 [ 9463.955440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9463.955440][ T10] ___sys_sendmsg+0xee/0x170 [ 9463.955440][ T10] __sys_sendmsg+0xcd/0x170 [ 9463.955440][ T10] do_syscall_64+0xc6/0x1e0 [ 9463.955440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9463.955440][ T10] [ 9463.957122][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9463.957372][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9463.957372][ T10] netdev_get_by_index+0x5e/0x80 [ 9463.957372][ T10] fib6_nh_init+0x3d8/0x1580 [ 9463.957372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9463.957372][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9463.957372][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9463.957372][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9463.957372][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9463.957372][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9463.957372][ T10] addrconf_dad_begin+0x310/0x670 [ 9463.957372][ T10] addrconf_dad_work+0x10b/0xab0 [ 9463.957372][ T10] process_one_work+0x84d/0x18a0 [ 9463.957372][ T10] worker_thread+0x587/0xd30 [ 9463.957372][ T10] kthread+0x28a/0x350 [ 9463.957372][ T10] ret_from_fork+0x31/0x70 [ 9463.957372][ T10] ret_from_fork_asm+0x1a/0x30 [ 9463.957372][ T10] [ 9463.959262][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9463.959262][ T10] netdev_get_by_index+0x5e/0x80 [ 9463.959262][ T10] fib6_nh_init+0x3d8/0x1580 [ 9463.959262][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9463.959262][ T10] ip6_route_add+0x1c/0x140 [ 9463.959262][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9463.959262][ T10] inet6_addr_add+0x4f8/0xa40 [ 9463.959262][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9463.959262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9463.959262][ T10] netlink_rcv_skb+0x130/0x360 [ 9463.959262][ T10] netlink_unicast+0x449/0x710 [ 9463.959262][ T10] netlink_sendmsg+0x723/0xbe0 [ 9463.959262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9463.959262][ T10] ___sys_sendmsg+0xee/0x170 [ 9463.959262][ T10] __sys_sendmsg+0xcd/0x170 [ 9463.959262][ T10] do_syscall_64+0xc6/0x1e0 [ 9463.959262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9463.959262][ T10] [ 9463.961249][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9463.961249][ T10] netdev_get_by_index+0x5e/0x80 [ 9463.961249][ T10] fib6_nh_init+0x3d8/0x1580 [ 9463.961249][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9463.961249][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9463.961249][ T10] ipv6_add_addr+0x411/0x2000 [ 9463.961249][ T10] inet6_addr_add+0x30e/0xa40 [ 9463.961249][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9463.961249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9463.961249][ T10] netlink_rcv_skb+0x130/0x360 [ 9463.961249][ T10] netlink_unicast+0x449/0x710 [ 9463.961249][ T10] netlink_sendmsg+0x723/0xbe0 [ 9463.961249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9463.961249][ T10] ___sys_sendmsg+0xee/0x170 [ 9463.961249][ T10] __sys_sendmsg+0xcd/0x170 [ 9463.961249][ T10] do_syscall_64+0xc6/0x1e0 [ 9463.961249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9463.961249][ T10] [ 9463.963223][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9463.963223][ T10] netdev_get_by_index+0x5e/0x80 [ 9463.963223][ T10] fib6_nh_init+0x3d8/0x1580 [ 9463.963223][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9463.963223][ T10] ip6_route_add+0x1c/0x140 [ 9463.963223][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9463.963223][ T10] addrconf_add_dev+0xe2/0x170 [ 9463.963223][ T10] inet6_addr_add+0x12f/0xa40 [ 9463.963223][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9463.963223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9463.963223][ T10] netlink_rcv_skb+0x130/0x360 [ 9463.963223][ T10] netlink_unicast+0x449/0x710 [ 9463.963223][ T10] netlink_sendmsg+0x723/0xbe0 [ 9463.963223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9463.963223][ T10] ___sys_sendmsg+0xee/0x170 [ 9463.963223][ T10] __sys_sendmsg+0xcd/0x170 [ 9463.963223][ T10] do_syscall_64+0xc6/0x1e0 [ 9463.963223][ T10] [ 9463.965171][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9463.965171][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9463.965171][ T10] ipv6_find_idev+0x102/0x170 [ 9463.965171][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9463.965171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9463.965171][ T10] netlink_rcv_skb+0x130/0x360 [ 9463.965171][ T10] netlink_unicast+0x449/0x710 [ 9463.965171][ T10] netlink_sendmsg+0x723/0xbe0 [ 9463.965171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9463.965171][ T10] ___sys_sendmsg+0xee/0x170 [ 9463.965171][ T10] __sys_sendmsg+0xcd/0x170 [ 9463.965171][ T10] do_syscall_64+0xc6/0x1e0 [ 9463.965171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9463.965171][ T10] [ 9463.966696][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9463.966696][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9463.966696][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9463.966696][ T10] ipv6_find_idev+0x102/0x170 [ 9463.966696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9463.966696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9463.966696][ T10] netlink_rcv_skb+0x130/0x360 [ 9463.966696][ T10] netlink_unicast+0x449/0x710 [ 9463.966696][ T10] netlink_sendmsg+0x723/0xbe0 [ 9463.966696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9463.966696][ T10] ___sys_sendmsg+0xee/0x170 [ 9463.966696][ T10] __sys_sendmsg+0xcd/0x170 [ 9463.966696][ T10] do_syscall_64+0xc6/0x1e0 [ 9463.966696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9463.966696][ T10] [ 9463.968356][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9463.968588][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9463.968588][ T10] netdev_get_by_index+0x5e/0x80 [ 9463.968588][ T10] fib6_nh_init+0x3d8/0x1580 [ 9463.968588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9463.968588][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9463.968588][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9463.968588][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9463.968588][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9463.968588][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9463.968588][ T10] addrconf_dad_begin+0x310/0x670 [ 9463.968588][ T10] addrconf_dad_work+0x10b/0xab0 [ 9463.968588][ T10] process_one_work+0x84d/0x18a0 [ 9463.968588][ T10] worker_thread+0x587/0xd30 [ 9463.968588][ T10] kthread+0x28a/0x350 [ 9463.968588][ T10] ret_from_fork+0x31/0x70 [ 9463.968588][ T10] ret_from_fork_asm+0x1a/0x30 [ 9463.968588][ T10] [ 9463.970483][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9463.970483][ T10] netdev_get_by_index+0x5e/0x80 [ 9463.970483][ T10] fib6_nh_init+0x3d8/0x1580 [ 9463.970483][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9463.970483][ T10] ip6_route_add+0x1c/0x140 [ 9463.970483][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9463.970483][ T10] inet6_addr_add+0x4f8/0xa40 [ 9463.970483][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9463.970483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9463.970483][ T10] netlink_rcv_skb+0x130/0x360 [ 9463.970483][ T10] netlink_unicast+0x449/0x710 [ 9463.970483][ T10] netlink_sendmsg+0x723/0xbe0 [ 9463.970483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9463.970483][ T10] ___sys_sendmsg+0xee/0x170 [ 9463.970483][ T10] __sys_sendmsg+0xcd/0x170 [ 9463.970483][ T10] do_syscall_64+0xc6/0x1e0 [ 9463.970483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9463.970483][ T10] [ 9463.972641][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9463.972641][ T10] netdev_get_by_index+0x5e/0x80 [ 9463.972641][ T10] fib6_nh_init+0x3d8/0x1580 [ 9463.972641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9463.972641][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9463.972641][ T10] ipv6_add_addr+0x411/0x2000 [ 9463.972641][ T10] inet6_addr_add+0x30e/0xa40 [ 9463.972641][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9463.972641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9463.972641][ T10] netlink_rcv_skb+0x130/0x360 [ 9463.972641][ T10] netlink_unicast+0x449/0x710 [ 9463.972641][ T10] netlink_sendmsg+0x723/0xbe0 [ 9463.972641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9463.972641][ T10] ___sys_sendmsg+0xee/0x170 [ 9463.972641][ T10] __sys_sendmsg+0xcd/0x170 [ 9463.972641][ T10] do_syscall_64+0xc6/0x1e0 [ 9463.972641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9463.972641][ T10] [ 9463.974879][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9463.974879][ T10] netdev_get_by_index+0x5e/0x80 [ 9463.974879][ T10] fib6_nh_init+0x3d8/0x1580 [ 9463.974879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9463.974879][ T10] ip6_route_add+0x1c/0x140 [ 9463.974879][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9463.974879][ T10] addrconf_add_dev+0xe2/0x170 [ 9463.974879][ T10] inet6_addr_add+0x12f/0xa40 [ 9463.974879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9463.974879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9463.974879][ T10] netlink_rcv_skb+0x130/0x360 [ 9463.974879][ T10] netlink_unicast+0x449/0x710 [ 9463.974879][ T10] netlink_sendmsg+0x723/0xbe0 [ 9463.974879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9463.974879][ T10] ___sys_sendmsg+0xee/0x170 [ 9463.974879][ T10] __sys_sendmsg+0xcd/0x170 [ 9463.974879][ T10] do_syscall_64+0xc6/0x1e0 [ 9463.974879][ T10] [ 9463.977006][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9463.977006][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9463.977006][ T10] ipv6_find_idev+0x102/0x170 [ 9463.977006][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9463.977006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9463.977006][ T10] netlink_rcv_skb+0x130/0x360 [ 9463.977006][ T10] netlink_unicast+0x449/0x710 [ 9463.977006][ T10] netlink_sendmsg+0x723/0xbe0 [ 9463.977006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9463.977006][ T10] ___sys_sendmsg+0xee/0x170 [ 9463.977006][ T10] __sys_sendmsg+0xcd/0x170 [ 9463.977006][ T10] do_syscall_64+0xc6/0x1e0 [ 9463.977006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9463.977006][ T10] [ 9463.978711][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9463.978711][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9463.978711][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9463.978711][ T10] ipv6_find_idev+0x102/0x170 [ 9463.978711][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9463.978711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9463.978711][ T10] netlink_rcv_skb+0x130/0x360 [ 9463.978711][ T10] netlink_unicast+0x449/0x710 [ 9463.978711][ T10] netlink_sendmsg+0x723/0xbe0 [ 9463.978711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9463.978711][ T10] ___sys_sendmsg+0xee/0x170 [ 9463.978711][ T10] __sys_sendmsg+0xcd/0x170 [ 9463.978711][ T10] do_syscall_64+0xc6/0x1e0 [ 9463.978711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9463.978711][ T10] [ 9463.980683][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9463.980915][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9463.980915][ T10] netdev_get_by_index+0x5e/0x80 [ 9463.980915][ T10] fib6_nh_init+0x3d8/0x1580 [ 9463.980915][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9463.980915][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9463.980915][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9463.980915][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9463.980915][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9463.980915][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9463.980915][ T10] addrconf_dad_begin+0x310/0x670 [ 9463.980915][ T10] addrconf_dad_work+0x10b/0xab0 [ 9463.980915][ T10] process_one_work+0x84d/0x18a0 [ 9463.980915][ T10] worker_thread+0x587/0xd30 [ 9463.980915][ T10] kthread+0x28a/0x350 [ 9463.980915][ T10] ret_from_fork+0x31/0x70 [ 9463.980915][ T10] ret_from_fork_asm+0x1a/0x30 [ 9463.980915][ T10] [ 9463.983061][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9463.983061][ T10] netdev_get_by_index+0x5e/0x80 [ 9463.983061][ T10] fib6_nh_init+0x3d8/0x1580 [ 9463.983061][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9463.983061][ T10] ip6_route_add+0x1c/0x140 [ 9463.983061][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9463.983061][ T10] inet6_addr_add+0x4f8/0xa40 [ 9463.983061][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9463.983061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9463.983061][ T10] netlink_rcv_skb+0x130/0x360 [ 9463.983061][ T10] netlink_unicast+0x449/0x710 [ 9463.983061][ T10] netlink_sendmsg+0x723/0xbe0 [ 9463.983061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9463.983061][ T10] ___sys_sendmsg+0xee/0x170 [ 9463.983061][ T10] __sys_sendmsg+0xcd/0x170 [ 9463.983061][ T10] do_syscall_64+0xc6/0x1e0 [ 9463.983061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9463.983061][ T10] [ 9463.985234][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9463.985234][ T10] netdev_get_by_index+0x5e/0x80 [ 9463.985234][ T10] fib6_nh_init+0x3d8/0x1580 [ 9463.985234][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9463.985234][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9463.985234][ T10] ipv6_add_addr+0x411/0x2000 [ 9463.985234][ T10] inet6_addr_add+0x30e/0xa40 [ 9463.985234][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9463.985234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9463.985234][ T10] netlink_rcv_skb+0x130/0x360 [ 9463.985234][ T10] netlink_unicast+0x449/0x710 [ 9463.985234][ T10] netlink_sendmsg+0x723/0xbe0 [ 9463.985234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9463.985234][ T10] ___sys_sendmsg+0xee/0x170 [ 9463.985234][ T10] __sys_sendmsg+0xcd/0x170 [ 9463.985234][ T10] do_syscall_64+0xc6/0x1e0 [ 9463.985234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9463.985234][ T10] [ 9463.987463][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9463.987463][ T10] netdev_get_by_index+0x5e/0x80 [ 9463.987463][ T10] fib6_nh_init+0x3d8/0x1580 [ 9463.987463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9463.987463][ T10] ip6_route_add+0x1c/0x140 [ 9463.987463][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9463.987463][ T10] addrconf_add_dev+0xe2/0x170 [ 9463.987463][ T10] inet6_addr_add+0x12f/0xa40 [ 9463.987463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9463.987463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9463.987463][ T10] netlink_rcv_skb+0x130/0x360 [ 9463.987463][ T10] netlink_unicast+0x449/0x710 [ 9463.987463][ T10] netlink_sendmsg+0x723/0xbe0 [ 9463.987463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9463.987463][ T10] ___sys_sendmsg+0xee/0x170 [ 9463.987463][ T10] __sys_sendmsg+0xcd/0x170 [ 9463.987463][ T10] do_syscall_64+0xc6/0x1e0 [ 9463.987463][ T10] [ 9463.989713][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9463.989713][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9463.989713][ T10] ipv6_find_idev+0x102/0x170 [ 9463.989713][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9463.989713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9463.989713][ T10] netlink_rcv_skb+0x130/0x360 [ 9463.989713][ T10] netlink_unicast+0x449/0x710 [ 9463.989713][ T10] netlink_sendmsg+0x723/0xbe0 [ 9463.989713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9463.989713][ T10] ___sys_sendmsg+0xee/0x170 [ 9463.989713][ T10] __sys_sendmsg+0xcd/0x170 [ 9463.989713][ T10] do_syscall_64+0xc6/0x1e0 [ 9463.989713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9463.989713][ T10] [ 9463.991422][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9463.991422][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9463.991422][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9463.991422][ T10] ipv6_find_idev+0x102/0x170 [ 9463.991422][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9463.991422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9463.991422][ T10] netlink_rcv_skb+0x130/0x360 [ 9463.991422][ T10] netlink_unicast+0x449/0x710 [ 9463.991422][ T10] netlink_sendmsg+0x723/0xbe0 [ 9463.991422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9463.991422][ T10] ___sys_sendmsg+0xee/0x170 [ 9463.991422][ T10] __sys_sendmsg+0xcd/0x170 [ 9463.991422][ T10] do_syscall_64+0xc6/0x1e0 [ 9463.991422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9463.991422][ T10] [ 9468.809103][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9468.809608][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9468.809608][ T1167] dst_init+0x84/0x4a0 [ 9468.809608][ T1167] dst_alloc+0x97/0x150 [ 9468.809608][ T1167] ip6_dst_alloc+0x23/0x90 [ 9468.809608][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9468.809608][ T1167] ip6_pol_route+0x56f/0x840 [ 9468.809608][ T1167] fib6_rule_lookup+0x334/0x630 [ 9468.809608][ T1167] ip6_route_output_flags+0x259/0x480 [ 9468.809608][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9468.809608][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9468.809608][ T1167] netlink_rcv_skb+0x130/0x360 [ 9468.809608][ T1167] netlink_unicast+0x449/0x710 [ 9468.809608][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9468.809608][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9468.809608][ T1167] ___sys_sendmsg+0xee/0x170 [ 9468.809608][ T1167] __sys_sendmsg+0xcd/0x170 [ 9468.809608][ T1167] do_syscall_64+0xc6/0x1e0 [ 9468.809608][ T1167] [ 9468.811831][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9468.811831][ T1167] netdev_get_by_index+0x5e/0x80 [ 9468.811831][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9468.811831][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9468.811831][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9468.811831][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9468.811831][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9468.811831][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9468.811831][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9468.811831][ T1167] addrconf_dad_begin+0x310/0x670 [ 9468.811831][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9468.811831][ T1167] process_one_work+0x84d/0x18a0 [ 9468.811831][ T1167] worker_thread+0x587/0xd30 [ 9468.811831][ T1167] kthread+0x28a/0x350 [ 9468.811831][ T1167] ret_from_fork+0x31/0x70 [ 9468.811831][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9468.811831][ T1167] [ 9468.814017][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9468.814017][ T1167] netdev_get_by_index+0x5e/0x80 [ 9468.814017][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9468.814017][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9468.814017][ T1167] ip6_route_add+0x1c/0x140 [ 9468.814017][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9468.814017][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9468.814017][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9468.814017][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9468.814017][ T1167] netlink_rcv_skb+0x130/0x360 [ 9468.814017][ T1167] netlink_unicast+0x449/0x710 [ 9468.814017][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9468.814017][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9468.814017][ T1167] ___sys_sendmsg+0xee/0x170 [ 9468.814017][ T1167] __sys_sendmsg+0xcd/0x170 [ 9468.814017][ T1167] do_syscall_64+0xc6/0x1e0 [ 9468.814017][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9468.814017][ T1167] [ 9468.816279][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9468.816279][ T1167] netdev_get_by_index+0x5e/0x80 [ 9468.816279][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9468.816279][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9468.816279][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9468.816279][ T1167] ipv6_add_addr+0x411/0x2000 [ 9468.816279][ T1167] inet6_addr_add+0x30e/0xa40 [ 9468.816279][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9468.816279][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9468.816279][ T1167] netlink_rcv_skb+0x130/0x360 [ 9468.816279][ T1167] netlink_unicast+0x449/0x710 [ 9468.816279][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9468.816279][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9468.816279][ T1167] ___sys_sendmsg+0xee/0x170 [ 9468.816279][ T1167] __sys_sendmsg+0xcd/0x170 [ 9468.816279][ T1167] do_syscall_64+0xc6/0x1e0 [ 9468.816279][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9468.816279][ T1167] [ 9468.818555][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9468.818555][ T1167] netdev_get_by_index+0x5e/0x80 [ 9468.818555][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9468.818555][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9468.818555][ T1167] ip6_route_add+0x1c/0x140 [ 9468.818555][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9468.818555][ T1167] addrconf_add_dev+0xe2/0x170 [ 9468.818555][ T1167] inet6_addr_add+0x12f/0xa40 [ 9468.818555][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9468.818555][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9468.818555][ T1167] netlink_rcv_skb+0x130/0x360 [ 9468.818555][ T1167] netlink_unicast+0x449/0x710 [ 9468.818555][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9468.818555][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9468.818555][ T1167] ___sys_sendmsg+0xee/0x170 [ 9468.818555][ T1167] __sys_sendmsg+0xcd/0x170 [ 9468.818555][ T1167] do_syscall_64+0xc6/0x1e0 [ 9468.818555][ T1167] [ 9468.820782][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9468.820782][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9468.820782][ T1167] ipv6_find_idev+0x102/0x170 [ 9468.820782][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9468.820782][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9468.820782][ T1167] netlink_rcv_skb+0x130/0x360 [ 9468.820782][ T1167] netlink_unicast+0x449/0x710 [ 9468.820782][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9468.820782][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9468.820782][ T1167] ___sys_sendmsg+0xee/0x170 [ 9468.820782][ T1167] __sys_sendmsg+0xcd/0x170 [ 9468.820782][ T1167] do_syscall_64+0xc6/0x1e0 [ 9468.820782][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9468.820782][ T1167] [ 9468.822527][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9468.822527][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9468.822527][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9468.822527][ T1167] ipv6_find_idev+0x102/0x170 [ 9468.822527][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9468.822527][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9468.822527][ T1167] netlink_rcv_skb+0x130/0x360 [ 9468.822527][ T1167] netlink_unicast+0x449/0x710 [ 9468.822527][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9468.822527][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9468.822527][ T1167] ___sys_sendmsg+0xee/0x170 [ 9468.822527][ T1167] __sys_sendmsg+0xcd/0x170 [ 9468.822527][ T1167] do_syscall_64+0xc6/0x1e0 [ 9468.822527][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9468.822527][ T1167] [ 9474.241170][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9474.241573][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9474.241573][ T10] netdev_get_by_index+0x5e/0x80 [ 9474.241573][ T10] fib6_nh_init+0x3d8/0x1580 [ 9474.241573][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9474.241573][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9474.241573][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9474.241573][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9474.241573][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9474.241573][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9474.241573][ T10] addrconf_dad_begin+0x310/0x670 [ 9474.241573][ T10] addrconf_dad_work+0x10b/0xab0 [ 9474.241573][ T10] process_one_work+0x84d/0x18a0 [ 9474.241573][ T10] worker_thread+0x587/0xd30 [ 9474.241573][ T10] kthread+0x28a/0x350 [ 9474.241573][ T10] ret_from_fork+0x31/0x70 [ 9474.241573][ T10] ret_from_fork_asm+0x1a/0x30 [ 9474.241573][ T10] [ 9474.243504][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9474.243504][ T10] netdev_get_by_index+0x5e/0x80 [ 9474.243504][ T10] fib6_nh_init+0x3d8/0x1580 [ 9474.243504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9474.243504][ T10] ip6_route_add+0x1c/0x140 [ 9474.243504][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9474.243504][ T10] inet6_addr_add+0x4f8/0xa40 [ 9474.243504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9474.243504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9474.243504][ T10] netlink_rcv_skb+0x130/0x360 [ 9474.243504][ T10] netlink_unicast+0x449/0x710 [ 9474.243504][ T10] netlink_sendmsg+0x723/0xbe0 [ 9474.243504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9474.243504][ T10] ___sys_sendmsg+0xee/0x170 [ 9474.243504][ T10] __sys_sendmsg+0xcd/0x170 [ 9474.243504][ T10] do_syscall_64+0xc6/0x1e0 [ 9474.243504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9474.243504][ T10] [ 9474.245508][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9474.245508][ T10] netdev_get_by_index+0x5e/0x80 [ 9474.245508][ T10] fib6_nh_init+0x3d8/0x1580 [ 9474.245508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9474.245508][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9474.245508][ T10] ipv6_add_addr+0x411/0x2000 [ 9474.245508][ T10] inet6_addr_add+0x30e/0xa40 [ 9474.245508][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9474.245508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9474.245508][ T10] netlink_rcv_skb+0x130/0x360 [ 9474.245508][ T10] netlink_unicast+0x449/0x710 [ 9474.245508][ T10] netlink_sendmsg+0x723/0xbe0 [ 9474.245508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9474.245508][ T10] ___sys_sendmsg+0xee/0x170 [ 9474.245508][ T10] __sys_sendmsg+0xcd/0x170 [ 9474.245508][ T10] do_syscall_64+0xc6/0x1e0 [ 9474.245508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9474.245508][ T10] [ 9474.247495][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9474.247495][ T10] netdev_get_by_index+0x5e/0x80 [ 9474.247495][ T10] fib6_nh_init+0x3d8/0x1580 [ 9474.247495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9474.247495][ T10] ip6_route_add+0x1c/0x140 [ 9474.247495][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9474.247495][ T10] addrconf_add_dev+0xe2/0x170 [ 9474.247495][ T10] inet6_addr_add+0x12f/0xa40 [ 9474.247495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9474.247495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9474.247495][ T10] netlink_rcv_skb+0x130/0x360 [ 9474.247495][ T10] netlink_unicast+0x449/0x710 [ 9474.247495][ T10] netlink_sendmsg+0x723/0xbe0 [ 9474.247495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9474.247495][ T10] ___sys_sendmsg+0xee/0x170 [ 9474.247495][ T10] __sys_sendmsg+0xcd/0x170 [ 9474.247495][ T10] do_syscall_64+0xc6/0x1e0 [ 9474.247495][ T10] [ 9474.249445][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9474.249445][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9474.249445][ T10] ipv6_find_idev+0x102/0x170 [ 9474.249445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9474.249445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9474.249445][ T10] netlink_rcv_skb+0x130/0x360 [ 9474.249445][ T10] netlink_unicast+0x449/0x710 [ 9474.249445][ T10] netlink_sendmsg+0x723/0xbe0 [ 9474.249445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9474.249445][ T10] ___sys_sendmsg+0xee/0x170 [ 9474.249445][ T10] __sys_sendmsg+0xcd/0x170 [ 9474.249445][ T10] do_syscall_64+0xc6/0x1e0 [ 9474.249445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9474.249445][ T10] [ 9474.250975][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9474.250975][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9474.250975][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9474.250975][ T10] ipv6_find_idev+0x102/0x170 [ 9474.250975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9474.250975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9474.250975][ T10] netlink_rcv_skb+0x130/0x360 [ 9474.250975][ T10] netlink_unicast+0x449/0x710 [ 9474.250975][ T10] netlink_sendmsg+0x723/0xbe0 [ 9474.250975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9474.250975][ T10] ___sys_sendmsg+0xee/0x170 [ 9474.250975][ T10] __sys_sendmsg+0xcd/0x170 [ 9474.250975][ T10] do_syscall_64+0xc6/0x1e0 [ 9474.250975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9474.250975][ T10] [ 9474.252649][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9474.252889][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9474.252889][ T10] netdev_get_by_index+0x5e/0x80 [ 9474.252889][ T10] fib6_nh_init+0x3d8/0x1580 [ 9474.252889][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9474.252889][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9474.252889][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9474.252889][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9474.252889][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9474.252889][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9474.252889][ T10] addrconf_dad_begin+0x310/0x670 [ 9474.252889][ T10] addrconf_dad_work+0x10b/0xab0 [ 9474.252889][ T10] process_one_work+0x84d/0x18a0 [ 9474.252889][ T10] worker_thread+0x587/0xd30 [ 9474.252889][ T10] kthread+0x28a/0x350 [ 9474.252889][ T10] ret_from_fork+0x31/0x70 [ 9474.252889][ T10] ret_from_fork_asm+0x1a/0x30 [ 9474.252889][ T10] [ 9474.254791][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9474.254791][ T10] netdev_get_by_index+0x5e/0x80 [ 9474.254791][ T10] fib6_nh_init+0x3d8/0x1580 [ 9474.254791][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9474.254791][ T10] ip6_route_add+0x1c/0x140 [ 9474.254791][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9474.254791][ T10] inet6_addr_add+0x4f8/0xa40 [ 9474.254791][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9474.254791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9474.254791][ T10] netlink_rcv_skb+0x130/0x360 [ 9474.254791][ T10] netlink_unicast+0x449/0x710 [ 9474.254791][ T10] netlink_sendmsg+0x723/0xbe0 [ 9474.254791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9474.254791][ T10] ___sys_sendmsg+0xee/0x170 [ 9474.254791][ T10] __sys_sendmsg+0xcd/0x170 [ 9474.254791][ T10] do_syscall_64+0xc6/0x1e0 [ 9474.254791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9474.254791][ T10] [ 9474.256789][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9474.256789][ T10] netdev_get_by_index+0x5e/0x80 [ 9474.256789][ T10] fib6_nh_init+0x3d8/0x1580 [ 9474.256789][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9474.256789][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9474.256789][ T10] ipv6_add_addr+0x411/0x2000 [ 9474.256789][ T10] inet6_addr_add+0x30e/0xa40 [ 9474.256789][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9474.256789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9474.256789][ T10] netlink_rcv_skb+0x130/0x360 [ 9474.256789][ T10] netlink_unicast+0x449/0x710 [ 9474.256789][ T10] netlink_sendmsg+0x723/0xbe0 [ 9474.256789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9474.256789][ T10] ___sys_sendmsg+0xee/0x170 [ 9474.256789][ T10] __sys_sendmsg+0xcd/0x170 [ 9474.256789][ T10] do_syscall_64+0xc6/0x1e0 [ 9474.256789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9474.256789][ T10] [ 9474.258780][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9474.258780][ T10] netdev_get_by_index+0x5e/0x80 [ 9474.258780][ T10] fib6_nh_init+0x3d8/0x1580 [ 9474.258780][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9474.258780][ T10] ip6_route_add+0x1c/0x140 [ 9474.258780][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9474.258780][ T10] addrconf_add_dev+0xe2/0x170 [ 9474.258780][ T10] inet6_addr_add+0x12f/0xa40 [ 9474.258780][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9474.258780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9474.258780][ T10] netlink_rcv_skb+0x130/0x360 [ 9474.258780][ T10] netlink_unicast+0x449/0x710 [ 9474.258780][ T10] netlink_sendmsg+0x723/0xbe0 [ 9474.258780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9474.258780][ T10] ___sys_sendmsg+0xee/0x170 [ 9474.258780][ T10] __sys_sendmsg+0xcd/0x170 [ 9474.258780][ T10] do_syscall_64+0xc6/0x1e0 [ 9474.258780][ T10] [ 9474.260729][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9474.260729][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9474.260729][ T10] ipv6_find_idev+0x102/0x170 [ 9474.260729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9474.260729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9474.260729][ T10] netlink_rcv_skb+0x130/0x360 [ 9474.260729][ T10] netlink_unicast+0x449/0x710 [ 9474.260729][ T10] netlink_sendmsg+0x723/0xbe0 [ 9474.260729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9474.260729][ T10] ___sys_sendmsg+0xee/0x170 [ 9474.260729][ T10] __sys_sendmsg+0xcd/0x170 [ 9474.260729][ T10] do_syscall_64+0xc6/0x1e0 [ 9474.260729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9474.260729][ T10] [ 9474.262258][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9474.262258][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9474.262258][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9474.262258][ T10] ipv6_find_idev+0x102/0x170 [ 9474.262258][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9474.262258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9474.262258][ T10] netlink_rcv_skb+0x130/0x360 [ 9474.262258][ T10] netlink_unicast+0x449/0x710 [ 9474.262258][ T10] netlink_sendmsg+0x723/0xbe0 [ 9474.262258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9474.262258][ T10] ___sys_sendmsg+0xee/0x170 [ 9474.262258][ T10] __sys_sendmsg+0xcd/0x170 [ 9474.262258][ T10] do_syscall_64+0xc6/0x1e0 [ 9474.262258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9474.262258][ T10] [ 9474.263933][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9474.264175][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9474.264175][ T10] netdev_get_by_index+0x5e/0x80 [ 9474.264175][ T10] fib6_nh_init+0x3d8/0x1580 [ 9474.264175][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9474.264175][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9474.264175][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9474.264175][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9474.264175][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9474.264175][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9474.264175][ T10] addrconf_dad_begin+0x310/0x670 [ 9474.264175][ T10] addrconf_dad_work+0x10b/0xab0 [ 9474.264175][ T10] process_one_work+0x84d/0x18a0 [ 9474.264175][ T10] worker_thread+0x587/0xd30 [ 9474.264175][ T10] kthread+0x28a/0x350 [ 9474.264175][ T10] ret_from_fork+0x31/0x70 [ 9474.264175][ T10] ret_from_fork_asm+0x1a/0x30 [ 9474.264175][ T10] [ 9474.266073][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9474.266073][ T10] netdev_get_by_index+0x5e/0x80 [ 9474.266073][ T10] fib6_nh_init+0x3d8/0x1580 [ 9474.266073][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9474.266073][ T10] ip6_route_add+0x1c/0x140 [ 9474.266073][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9474.266073][ T10] inet6_addr_add+0x4f8/0xa40 [ 9474.266073][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9474.266073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9474.266073][ T10] netlink_rcv_skb+0x130/0x360 [ 9474.266073][ T10] netlink_unicast+0x449/0x710 [ 9474.266073][ T10] netlink_sendmsg+0x723/0xbe0 [ 9474.266073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9474.266073][ T10] ___sys_sendmsg+0xee/0x170 [ 9474.266073][ T10] __sys_sendmsg+0xcd/0x170 [ 9474.266073][ T10] do_syscall_64+0xc6/0x1e0 [ 9474.266073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9474.266073][ T10] [ 9474.268239][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9474.268239][ T10] netdev_get_by_index+0x5e/0x80 [ 9474.268239][ T10] fib6_nh_init+0x3d8/0x1580 [ 9474.268239][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9474.268239][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9474.268239][ T10] ipv6_add_addr+0x411/0x2000 [ 9474.268239][ T10] inet6_addr_add+0x30e/0xa40 [ 9474.268239][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9474.268239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9474.268239][ T10] netlink_rcv_skb+0x130/0x360 [ 9474.268239][ T10] netlink_unicast+0x449/0x710 [ 9474.268239][ T10] netlink_sendmsg+0x723/0xbe0 [ 9474.268239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9474.268239][ T10] ___sys_sendmsg+0xee/0x170 [ 9474.268239][ T10] __sys_sendmsg+0xcd/0x170 [ 9474.268239][ T10] do_syscall_64+0xc6/0x1e0 [ 9474.268239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9474.268239][ T10] [ 9474.270530][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9474.270530][ T10] netdev_get_by_index+0x5e/0x80 [ 9474.270530][ T10] fib6_nh_init+0x3d8/0x1580 [ 9474.270530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9474.270530][ T10] ip6_route_add+0x1c/0x140 [ 9474.270530][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9474.270530][ T10] addrconf_add_dev+0xe2/0x170 [ 9474.270530][ T10] inet6_addr_add+0x12f/0xa40 [ 9474.270530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9474.270530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9474.270530][ T10] netlink_rcv_skb+0x130/0x360 [ 9474.270530][ T10] netlink_unicast+0x449/0x710 [ 9474.270530][ T10] netlink_sendmsg+0x723/0xbe0 [ 9474.270530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9474.270530][ T10] ___sys_sendmsg+0xee/0x170 [ 9474.270530][ T10] __sys_sendmsg+0xcd/0x170 [ 9474.270530][ T10] do_syscall_64+0xc6/0x1e0 [ 9474.270530][ T10] [ 9474.272656][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9474.272656][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9474.272656][ T10] ipv6_find_idev+0x102/0x170 [ 9474.272656][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9474.272656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9474.272656][ T10] netlink_rcv_skb+0x130/0x360 [ 9474.272656][ T10] netlink_unicast+0x449/0x710 [ 9474.272656][ T10] netlink_sendmsg+0x723/0xbe0 [ 9474.272656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9474.272656][ T10] ___sys_sendmsg+0xee/0x170 [ 9474.272656][ T10] __sys_sendmsg+0xcd/0x170 [ 9474.272656][ T10] do_syscall_64+0xc6/0x1e0 [ 9474.272656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9474.272656][ T10] [ 9474.274366][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9474.274366][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9474.274366][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9474.274366][ T10] ipv6_find_idev+0x102/0x170 [ 9474.274366][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9474.274366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9474.274366][ T10] netlink_rcv_skb+0x130/0x360 [ 9474.274366][ T10] netlink_unicast+0x449/0x710 [ 9474.274366][ T10] netlink_sendmsg+0x723/0xbe0 [ 9474.274366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9474.274366][ T10] ___sys_sendmsg+0xee/0x170 [ 9474.274366][ T10] __sys_sendmsg+0xcd/0x170 [ 9474.274366][ T10] do_syscall_64+0xc6/0x1e0 [ 9474.274366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9474.274366][ T10] [ 9474.276216][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9474.276448][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9474.276448][ T10] netdev_get_by_index+0x5e/0x80 [ 9474.276448][ T10] fib6_nh_init+0x3d8/0x1580 [ 9474.276448][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9474.276448][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9474.276448][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9474.276448][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9474.276448][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9474.276448][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9474.276448][ T10] addrconf_dad_begin+0x310/0x670 [ 9474.276448][ T10] addrconf_dad_work+0x10b/0xab0 [ 9474.276448][ T10] process_one_work+0x84d/0x18a0 [ 9474.276448][ T10] worker_thread+0x587/0xd30 [ 9474.276448][ T10] kthread+0x28a/0x350 [ 9474.276448][ T10] ret_from_fork+0x31/0x70 [ 9474.276448][ T10] ret_from_fork_asm+0x1a/0x30 [ 9474.276448][ T10] [ 9474.278644][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9474.278644][ T10] netdev_get_by_index+0x5e/0x80 [ 9474.278644][ T10] fib6_nh_init+0x3d8/0x1580 [ 9474.278644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9474.278644][ T10] ip6_route_add+0x1c/0x140 [ 9474.278644][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9474.278644][ T10] inet6_addr_add+0x4f8/0xa40 [ 9474.278644][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9474.278644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9474.278644][ T10] netlink_rcv_skb+0x130/0x360 [ 9474.278644][ T10] netlink_unicast+0x449/0x710 [ 9474.278644][ T10] netlink_sendmsg+0x723/0xbe0 [ 9474.278644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9474.278644][ T10] ___sys_sendmsg+0xee/0x170 [ 9474.278644][ T10] __sys_sendmsg+0xcd/0x170 [ 9474.278644][ T10] do_syscall_64+0xc6/0x1e0 [ 9474.278644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9474.278644][ T10] [ 9474.280806][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9474.280806][ T10] netdev_get_by_index+0x5e/0x80 [ 9474.280806][ T10] fib6_nh_init+0x3d8/0x1580 [ 9474.280806][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9474.280806][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9474.280806][ T10] ipv6_add_addr+0x411/0x2000 [ 9474.280806][ T10] inet6_addr_add+0x30e/0xa40 [ 9474.280806][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9474.280806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9474.280806][ T10] netlink_rcv_skb+0x130/0x360 [ 9474.280806][ T10] netlink_unicast+0x449/0x710 [ 9474.280806][ T10] netlink_sendmsg+0x723/0xbe0 [ 9474.280806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9474.280806][ T10] ___sys_sendmsg+0xee/0x170 [ 9474.280806][ T10] __sys_sendmsg+0xcd/0x170 [ 9474.280806][ T10] do_syscall_64+0xc6/0x1e0 [ 9474.280806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9474.280806][ T10] [ 9474.283043][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9474.283043][ T10] netdev_get_by_index+0x5e/0x80 [ 9474.283043][ T10] fib6_nh_init+0x3d8/0x1580 [ 9474.283043][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9474.283043][ T10] ip6_route_add+0x1c/0x140 [ 9474.283043][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9474.283043][ T10] addrconf_add_dev+0xe2/0x170 [ 9474.283043][ T10] inet6_addr_add+0x12f/0xa40 [ 9474.283043][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9474.283043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9474.283043][ T10] netlink_rcv_skb+0x130/0x360 [ 9474.283043][ T10] netlink_unicast+0x449/0x710 [ 9474.283043][ T10] netlink_sendmsg+0x723/0xbe0 [ 9474.283043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9474.283043][ T10] ___sys_sendmsg+0xee/0x170 [ 9474.283043][ T10] __sys_sendmsg+0xcd/0x170 [ 9474.283043][ T10] do_syscall_64+0xc6/0x1e0 [ 9474.283043][ T10] [ 9474.285248][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9474.285248][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9474.285248][ T10] ipv6_find_idev+0x102/0x170 [ 9474.285248][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9474.285248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9474.285248][ T10] netlink_rcv_skb+0x130/0x360 [ 9474.285248][ T10] netlink_unicast+0x449/0x710 [ 9474.285248][ T10] netlink_sendmsg+0x723/0xbe0 [ 9474.285248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9474.285248][ T10] ___sys_sendmsg+0xee/0x170 [ 9474.285248][ T10] __sys_sendmsg+0xcd/0x170 [ 9474.285248][ T10] do_syscall_64+0xc6/0x1e0 [ 9474.285248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9474.285248][ T10] [ 9474.286957][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9474.286957][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9474.286957][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9474.286957][ T10] ipv6_find_idev+0x102/0x170 [ 9474.286957][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9474.286957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9474.286957][ T10] netlink_rcv_skb+0x130/0x360 [ 9474.286957][ T10] netlink_unicast+0x449/0x710 [ 9474.286957][ T10] netlink_sendmsg+0x723/0xbe0 [ 9474.286957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9474.286957][ T10] ___sys_sendmsg+0xee/0x170 [ 9474.286957][ T10] __sys_sendmsg+0xcd/0x170 [ 9474.286957][ T10] do_syscall_64+0xc6/0x1e0 [ 9474.286957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9474.286957][ T10] [ 9479.065095][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9479.065590][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9479.065590][ T1167] dst_init+0x84/0x4a0 [ 9479.065590][ T1167] dst_alloc+0x97/0x150 [ 9479.065590][ T1167] ip6_dst_alloc+0x23/0x90 [ 9479.065590][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9479.065590][ T1167] ip6_pol_route+0x56f/0x840 [ 9479.065590][ T1167] fib6_rule_lookup+0x334/0x630 [ 9479.065590][ T1167] ip6_route_output_flags+0x259/0x480 [ 9479.065590][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9479.065590][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9479.065590][ T1167] netlink_rcv_skb+0x130/0x360 [ 9479.065590][ T1167] netlink_unicast+0x449/0x710 [ 9479.065590][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9479.065590][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9479.065590][ T1167] ___sys_sendmsg+0xee/0x170 [ 9479.065590][ T1167] __sys_sendmsg+0xcd/0x170 [ 9479.065590][ T1167] do_syscall_64+0xc6/0x1e0 [ 9479.065590][ T1167] [ 9479.067811][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9479.067811][ T1167] netdev_get_by_index+0x5e/0x80 [ 9479.067811][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9479.067811][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9479.067811][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9479.067811][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9479.067811][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9479.067811][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9479.067811][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9479.067811][ T1167] addrconf_dad_begin+0x310/0x670 [ 9479.067811][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9479.067811][ T1167] process_one_work+0x84d/0x18a0 [ 9479.067811][ T1167] worker_thread+0x587/0xd30 [ 9479.067811][ T1167] kthread+0x28a/0x350 [ 9479.067811][ T1167] ret_from_fork+0x31/0x70 [ 9479.067811][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9479.067811][ T1167] [ 9479.069970][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9479.069970][ T1167] netdev_get_by_index+0x5e/0x80 [ 9479.069970][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9479.069970][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9479.069970][ T1167] ip6_route_add+0x1c/0x140 [ 9479.069970][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9479.069970][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9479.069970][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9479.069970][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9479.069970][ T1167] netlink_rcv_skb+0x130/0x360 [ 9479.069970][ T1167] netlink_unicast+0x449/0x710 [ 9479.069970][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9479.069970][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9479.069970][ T1167] ___sys_sendmsg+0xee/0x170 [ 9479.069970][ T1167] __sys_sendmsg+0xcd/0x170 [ 9479.069970][ T1167] do_syscall_64+0xc6/0x1e0 [ 9479.069970][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9479.069970][ T1167] [ 9479.072227][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9479.072227][ T1167] netdev_get_by_index+0x5e/0x80 [ 9479.072227][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9479.072227][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9479.072227][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9479.072227][ T1167] ipv6_add_addr+0x411/0x2000 [ 9479.072227][ T1167] inet6_addr_add+0x30e/0xa40 [ 9479.072227][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9479.072227][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9479.072227][ T1167] netlink_rcv_skb+0x130/0x360 [ 9479.072227][ T1167] netlink_unicast+0x449/0x710 [ 9479.072227][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9479.072227][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9479.072227][ T1167] ___sys_sendmsg+0xee/0x170 [ 9479.072227][ T1167] __sys_sendmsg+0xcd/0x170 [ 9479.072227][ T1167] do_syscall_64+0xc6/0x1e0 [ 9479.072227][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9479.072227][ T1167] [ 9479.074493][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9479.074493][ T1167] netdev_get_by_index+0x5e/0x80 [ 9479.074493][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9479.074493][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9479.074493][ T1167] ip6_route_add+0x1c/0x140 [ 9479.074493][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9479.074493][ T1167] addrconf_add_dev+0xe2/0x170 [ 9479.074493][ T1167] inet6_addr_add+0x12f/0xa40 [ 9479.074493][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9479.074493][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9479.074493][ T1167] netlink_rcv_skb+0x130/0x360 [ 9479.074493][ T1167] netlink_unicast+0x449/0x710 [ 9479.074493][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9479.074493][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9479.074493][ T1167] ___sys_sendmsg+0xee/0x170 [ 9479.074493][ T1167] __sys_sendmsg+0xcd/0x170 [ 9479.074493][ T1167] do_syscall_64+0xc6/0x1e0 [ 9479.074493][ T1167] [ 9479.076708][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9479.076708][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9479.076708][ T1167] ipv6_find_idev+0x102/0x170 [ 9479.076708][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9479.076708][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9479.076708][ T1167] netlink_rcv_skb+0x130/0x360 [ 9479.076708][ T1167] netlink_unicast+0x449/0x710 [ 9479.076708][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9479.076708][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9479.076708][ T1167] ___sys_sendmsg+0xee/0x170 [ 9479.076708][ T1167] __sys_sendmsg+0xcd/0x170 [ 9479.076708][ T1167] do_syscall_64+0xc6/0x1e0 [ 9479.076708][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9479.076708][ T1167] [ 9479.078451][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9479.078451][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9479.078451][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9479.078451][ T1167] ipv6_find_idev+0x102/0x170 [ 9479.078451][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9479.078451][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9479.078451][ T1167] netlink_rcv_skb+0x130/0x360 [ 9479.078451][ T1167] netlink_unicast+0x449/0x710 [ 9479.078451][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9479.078451][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9479.078451][ T1167] ___sys_sendmsg+0xee/0x170 [ 9479.078451][ T1167] __sys_sendmsg+0xcd/0x170 [ 9479.078451][ T1167] do_syscall_64+0xc6/0x1e0 [ 9479.078451][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9479.078451][ T1167] [ 9484.545100][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9484.545512][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9484.545512][ T10] netdev_get_by_index+0x5e/0x80 [ 9484.545512][ T10] fib6_nh_init+0x3d8/0x1580 [ 9484.545512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9484.545512][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9484.545512][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9484.545512][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9484.545512][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9484.545512][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9484.545512][ T10] addrconf_dad_begin+0x310/0x670 [ 9484.545512][ T10] addrconf_dad_work+0x10b/0xab0 [ 9484.545512][ T10] process_one_work+0x84d/0x18a0 [ 9484.545512][ T10] worker_thread+0x587/0xd30 [ 9484.545512][ T10] kthread+0x28a/0x350 [ 9484.545512][ T10] ret_from_fork+0x31/0x70 [ 9484.545512][ T10] ret_from_fork_asm+0x1a/0x30 [ 9484.545512][ T10] [ 9484.547444][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9484.547444][ T10] netdev_get_by_index+0x5e/0x80 [ 9484.547444][ T10] fib6_nh_init+0x3d8/0x1580 [ 9484.547444][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9484.547444][ T10] ip6_route_add+0x1c/0x140 [ 9484.547444][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9484.547444][ T10] inet6_addr_add+0x4f8/0xa40 [ 9484.547444][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9484.547444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9484.547444][ T10] netlink_rcv_skb+0x130/0x360 [ 9484.547444][ T10] netlink_unicast+0x449/0x710 [ 9484.547444][ T10] netlink_sendmsg+0x723/0xbe0 [ 9484.547444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9484.547444][ T10] ___sys_sendmsg+0xee/0x170 [ 9484.547444][ T10] __sys_sendmsg+0xcd/0x170 [ 9484.547444][ T10] do_syscall_64+0xc6/0x1e0 [ 9484.547444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9484.547444][ T10] [ 9484.549431][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9484.549431][ T10] netdev_get_by_index+0x5e/0x80 [ 9484.549431][ T10] fib6_nh_init+0x3d8/0x1580 [ 9484.549431][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9484.549431][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9484.549431][ T10] ipv6_add_addr+0x411/0x2000 [ 9484.549431][ T10] inet6_addr_add+0x30e/0xa40 [ 9484.549431][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9484.549431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9484.549431][ T10] netlink_rcv_skb+0x130/0x360 [ 9484.549431][ T10] netlink_unicast+0x449/0x710 [ 9484.549431][ T10] netlink_sendmsg+0x723/0xbe0 [ 9484.549431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9484.549431][ T10] ___sys_sendmsg+0xee/0x170 [ 9484.549431][ T10] __sys_sendmsg+0xcd/0x170 [ 9484.549431][ T10] do_syscall_64+0xc6/0x1e0 [ 9484.549431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9484.549431][ T10] [ 9484.551417][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9484.551417][ T10] netdev_get_by_index+0x5e/0x80 [ 9484.551417][ T10] fib6_nh_init+0x3d8/0x1580 [ 9484.551417][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9484.551417][ T10] ip6_route_add+0x1c/0x140 [ 9484.551417][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9484.551417][ T10] addrconf_add_dev+0xe2/0x170 [ 9484.551417][ T10] inet6_addr_add+0x12f/0xa40 [ 9484.551417][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9484.551417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9484.551417][ T10] netlink_rcv_skb+0x130/0x360 [ 9484.551417][ T10] netlink_unicast+0x449/0x710 [ 9484.551417][ T10] netlink_sendmsg+0x723/0xbe0 [ 9484.551417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9484.551417][ T10] ___sys_sendmsg+0xee/0x170 [ 9484.551417][ T10] __sys_sendmsg+0xcd/0x170 [ 9484.551417][ T10] do_syscall_64+0xc6/0x1e0 [ 9484.551417][ T10] [ 9484.553366][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9484.553366][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9484.553366][ T10] ipv6_find_idev+0x102/0x170 [ 9484.553366][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9484.553366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9484.553366][ T10] netlink_rcv_skb+0x130/0x360 [ 9484.553366][ T10] netlink_unicast+0x449/0x710 [ 9484.553366][ T10] netlink_sendmsg+0x723/0xbe0 [ 9484.553366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9484.553366][ T10] ___sys_sendmsg+0xee/0x170 [ 9484.553366][ T10] __sys_sendmsg+0xcd/0x170 [ 9484.553366][ T10] do_syscall_64+0xc6/0x1e0 [ 9484.553366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9484.553366][ T10] [ 9484.554911][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9484.554911][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9484.554911][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9484.554911][ T10] ipv6_find_idev+0x102/0x170 [ 9484.554911][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9484.554911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9484.554911][ T10] netlink_rcv_skb+0x130/0x360 [ 9484.554911][ T10] netlink_unicast+0x449/0x710 [ 9484.554911][ T10] netlink_sendmsg+0x723/0xbe0 [ 9484.554911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9484.554911][ T10] ___sys_sendmsg+0xee/0x170 [ 9484.554911][ T10] __sys_sendmsg+0xcd/0x170 [ 9484.554911][ T10] do_syscall_64+0xc6/0x1e0 [ 9484.554911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9484.554911][ T10] [ 9484.556576][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9484.556813][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9484.556813][ T10] netdev_get_by_index+0x5e/0x80 [ 9484.556813][ T10] fib6_nh_init+0x3d8/0x1580 [ 9484.556813][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9484.556813][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9484.556813][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9484.556813][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9484.556813][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9484.556813][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9484.556813][ T10] addrconf_dad_begin+0x310/0x670 [ 9484.556813][ T10] addrconf_dad_work+0x10b/0xab0 [ 9484.556813][ T10] process_one_work+0x84d/0x18a0 [ 9484.556813][ T10] worker_thread+0x587/0xd30 [ 9484.556813][ T10] kthread+0x28a/0x350 [ 9484.556813][ T10] ret_from_fork+0x31/0x70 [ 9484.556813][ T10] ret_from_fork_asm+0x1a/0x30 [ 9484.556813][ T10] [ 9484.558709][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9484.558709][ T10] netdev_get_by_index+0x5e/0x80 [ 9484.558709][ T10] fib6_nh_init+0x3d8/0x1580 [ 9484.558709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9484.558709][ T10] ip6_route_add+0x1c/0x140 [ 9484.558709][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9484.558709][ T10] inet6_addr_add+0x4f8/0xa40 [ 9484.558709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9484.558709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9484.558709][ T10] netlink_rcv_skb+0x130/0x360 [ 9484.558709][ T10] netlink_unicast+0x449/0x710 [ 9484.558709][ T10] netlink_sendmsg+0x723/0xbe0 [ 9484.558709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9484.558709][ T10] ___sys_sendmsg+0xee/0x170 [ 9484.558709][ T10] __sys_sendmsg+0xcd/0x170 [ 9484.558709][ T10] do_syscall_64+0xc6/0x1e0 [ 9484.558709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9484.558709][ T10] [ 9484.560683][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9484.560683][ T10] netdev_get_by_index+0x5e/0x80 [ 9484.560683][ T10] fib6_nh_init+0x3d8/0x1580 [ 9484.560683][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9484.560683][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9484.560683][ T10] ipv6_add_addr+0x411/0x2000 [ 9484.560683][ T10] inet6_addr_add+0x30e/0xa40 [ 9484.560683][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9484.560683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9484.560683][ T10] netlink_rcv_skb+0x130/0x360 [ 9484.560683][ T10] netlink_unicast+0x449/0x710 [ 9484.560683][ T10] netlink_sendmsg+0x723/0xbe0 [ 9484.560683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9484.560683][ T10] ___sys_sendmsg+0xee/0x170 [ 9484.560683][ T10] __sys_sendmsg+0xcd/0x170 [ 9484.560683][ T10] do_syscall_64+0xc6/0x1e0 [ 9484.560683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9484.560683][ T10] [ 9484.562656][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9484.562656][ T10] netdev_get_by_index+0x5e/0x80 [ 9484.562656][ T10] fib6_nh_init+0x3d8/0x1580 [ 9484.562656][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9484.562656][ T10] ip6_route_add+0x1c/0x140 [ 9484.562656][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9484.562656][ T10] addrconf_add_dev+0xe2/0x170 [ 9484.562656][ T10] inet6_addr_add+0x12f/0xa40 [ 9484.562656][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9484.562656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9484.562656][ T10] netlink_rcv_skb+0x130/0x360 [ 9484.562656][ T10] netlink_unicast+0x449/0x710 [ 9484.562656][ T10] netlink_sendmsg+0x723/0xbe0 [ 9484.562656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9484.562656][ T10] ___sys_sendmsg+0xee/0x170 [ 9484.562656][ T10] __sys_sendmsg+0xcd/0x170 [ 9484.562656][ T10] do_syscall_64+0xc6/0x1e0 [ 9484.562656][ T10] [ 9484.564603][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9484.564603][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9484.564603][ T10] ipv6_find_idev+0x102/0x170 [ 9484.564603][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9484.564603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9484.564603][ T10] netlink_rcv_skb+0x130/0x360 [ 9484.564603][ T10] netlink_unicast+0x449/0x710 [ 9484.564603][ T10] netlink_sendmsg+0x723/0xbe0 [ 9484.564603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9484.564603][ T10] ___sys_sendmsg+0xee/0x170 [ 9484.564603][ T10] __sys_sendmsg+0xcd/0x170 [ 9484.564603][ T10] do_syscall_64+0xc6/0x1e0 [ 9484.564603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9484.564603][ T10] [ 9484.566126][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9484.566126][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9484.566126][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9484.566126][ T10] ipv6_find_idev+0x102/0x170 [ 9484.566126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9484.566126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9484.566126][ T10] netlink_rcv_skb+0x130/0x360 [ 9484.566126][ T10] netlink_unicast+0x449/0x710 [ 9484.566126][ T10] netlink_sendmsg+0x723/0xbe0 [ 9484.566126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9484.566126][ T10] ___sys_sendmsg+0xee/0x170 [ 9484.566126][ T10] __sys_sendmsg+0xcd/0x170 [ 9484.566126][ T10] do_syscall_64+0xc6/0x1e0 [ 9484.566126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9484.566126][ T10] [ 9484.567796][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9484.568044][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9484.568044][ T10] netdev_get_by_index+0x5e/0x80 [ 9484.568044][ T10] fib6_nh_init+0x3d8/0x1580 [ 9484.568044][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9484.568044][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9484.568044][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9484.568044][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9484.568044][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9484.568044][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9484.568044][ T10] addrconf_dad_begin+0x310/0x670 [ 9484.568044][ T10] addrconf_dad_work+0x10b/0xab0 [ 9484.568044][ T10] process_one_work+0x84d/0x18a0 [ 9484.568044][ T10] worker_thread+0x587/0xd30 [ 9484.568044][ T10] kthread+0x28a/0x350 [ 9484.568044][ T10] ret_from_fork+0x31/0x70 [ 9484.568044][ T10] ret_from_fork_asm+0x1a/0x30 [ 9484.568044][ T10] [ 9484.569936][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9484.569936][ T10] netdev_get_by_index+0x5e/0x80 [ 9484.569936][ T10] fib6_nh_init+0x3d8/0x1580 [ 9484.569936][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9484.569936][ T10] ip6_route_add+0x1c/0x140 [ 9484.569936][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9484.569936][ T10] inet6_addr_add+0x4f8/0xa40 [ 9484.569936][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9484.569936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9484.569936][ T10] netlink_rcv_skb+0x130/0x360 [ 9484.569936][ T10] netlink_unicast+0x449/0x710 [ 9484.569936][ T10] netlink_sendmsg+0x723/0xbe0 [ 9484.569936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9484.569936][ T10] ___sys_sendmsg+0xee/0x170 [ 9484.569936][ T10] __sys_sendmsg+0xcd/0x170 [ 9484.569936][ T10] do_syscall_64+0xc6/0x1e0 [ 9484.569936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9484.569936][ T10] [ 9484.572091][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9484.572091][ T10] netdev_get_by_index+0x5e/0x80 [ 9484.572091][ T10] fib6_nh_init+0x3d8/0x1580 [ 9484.572091][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9484.572091][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9484.572091][ T10] ipv6_add_addr+0x411/0x2000 [ 9484.572091][ T10] inet6_addr_add+0x30e/0xa40 [ 9484.572091][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9484.572091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9484.572091][ T10] netlink_rcv_skb+0x130/0x360 [ 9484.572091][ T10] netlink_unicast+0x449/0x710 [ 9484.572091][ T10] netlink_sendmsg+0x723/0xbe0 [ 9484.572091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9484.572091][ T10] ___sys_sendmsg+0xee/0x170 [ 9484.572091][ T10] __sys_sendmsg+0xcd/0x170 [ 9484.572091][ T10] do_syscall_64+0xc6/0x1e0 [ 9484.572091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9484.572091][ T10] [ 9484.574370][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9484.574370][ T10] netdev_get_by_index+0x5e/0x80 [ 9484.574370][ T10] fib6_nh_init+0x3d8/0x1580 [ 9484.574370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9484.574370][ T10] ip6_route_add+0x1c/0x140 [ 9484.574370][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9484.574370][ T10] addrconf_add_dev+0xe2/0x170 [ 9484.574370][ T10] inet6_addr_add+0x12f/0xa40 [ 9484.574370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9484.574370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9484.574370][ T10] netlink_rcv_skb+0x130/0x360 [ 9484.574370][ T10] netlink_unicast+0x449/0x710 [ 9484.574370][ T10] netlink_sendmsg+0x723/0xbe0 [ 9484.574370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9484.574370][ T10] ___sys_sendmsg+0xee/0x170 [ 9484.574370][ T10] __sys_sendmsg+0xcd/0x170 [ 9484.574370][ T10] do_syscall_64+0xc6/0x1e0 [ 9484.574370][ T10] [ 9484.576491][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9484.576491][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9484.576491][ T10] ipv6_find_idev+0x102/0x170 [ 9484.576491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9484.576491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9484.576491][ T10] netlink_rcv_skb+0x130/0x360 [ 9484.576491][ T10] netlink_unicast+0x449/0x710 [ 9484.576491][ T10] netlink_sendmsg+0x723/0xbe0 [ 9484.576491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9484.576491][ T10] ___sys_sendmsg+0xee/0x170 [ 9484.576491][ T10] __sys_sendmsg+0xcd/0x170 [ 9484.576491][ T10] do_syscall_64+0xc6/0x1e0 [ 9484.576491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9484.576491][ T10] [ 9484.578188][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9484.578188][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9484.578188][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9484.578188][ T10] ipv6_find_idev+0x102/0x170 [ 9484.578188][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9484.578188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9484.578188][ T10] netlink_rcv_skb+0x130/0x360 [ 9484.578188][ T10] netlink_unicast+0x449/0x710 [ 9484.578188][ T10] netlink_sendmsg+0x723/0xbe0 [ 9484.578188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9484.578188][ T10] ___sys_sendmsg+0xee/0x170 [ 9484.578188][ T10] __sys_sendmsg+0xcd/0x170 [ 9484.578188][ T10] do_syscall_64+0xc6/0x1e0 [ 9484.578188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9484.578188][ T10] [ 9484.580098][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9484.580332][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9484.580332][ T10] netdev_get_by_index+0x5e/0x80 [ 9484.580332][ T10] fib6_nh_init+0x3d8/0x1580 [ 9484.580332][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9484.580332][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9484.580332][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9484.580332][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9484.580332][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9484.580332][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9484.580332][ T10] addrconf_dad_begin+0x310/0x670 [ 9484.580332][ T10] addrconf_dad_work+0x10b/0xab0 [ 9484.580332][ T10] process_one_work+0x84d/0x18a0 [ 9484.580332][ T10] worker_thread+0x587/0xd30 [ 9484.580332][ T10] kthread+0x28a/0x350 [ 9484.580332][ T10] ret_from_fork+0x31/0x70 [ 9484.580332][ T10] ret_from_fork_asm+0x1a/0x30 [ 9484.580332][ T10] [ 9484.582523][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9484.582523][ T10] netdev_get_by_index+0x5e/0x80 [ 9484.582523][ T10] fib6_nh_init+0x3d8/0x1580 [ 9484.582523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9484.582523][ T10] ip6_route_add+0x1c/0x140 [ 9484.582523][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9484.582523][ T10] inet6_addr_add+0x4f8/0xa40 [ 9484.582523][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9484.582523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9484.582523][ T10] netlink_rcv_skb+0x130/0x360 [ 9484.582523][ T10] netlink_unicast+0x449/0x710 [ 9484.582523][ T10] netlink_sendmsg+0x723/0xbe0 [ 9484.582523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9484.582523][ T10] ___sys_sendmsg+0xee/0x170 [ 9484.582523][ T10] __sys_sendmsg+0xcd/0x170 [ 9484.582523][ T10] do_syscall_64+0xc6/0x1e0 [ 9484.582523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9484.582523][ T10] [ 9484.584702][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9484.584702][ T10] netdev_get_by_index+0x5e/0x80 [ 9484.584702][ T10] fib6_nh_init+0x3d8/0x1580 [ 9484.584702][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9484.584702][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9484.584702][ T10] ipv6_add_addr+0x411/0x2000 [ 9484.584702][ T10] inet6_addr_add+0x30e/0xa40 [ 9484.584702][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9484.584702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9484.584702][ T10] netlink_rcv_skb+0x130/0x360 [ 9484.584702][ T10] netlink_unicast+0x449/0x710 [ 9484.584702][ T10] netlink_sendmsg+0x723/0xbe0 [ 9484.584702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9484.584702][ T10] ___sys_sendmsg+0xee/0x170 [ 9484.584702][ T10] __sys_sendmsg+0xcd/0x170 [ 9484.584702][ T10] do_syscall_64+0xc6/0x1e0 [ 9484.584702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9484.584702][ T10] [ 9484.586917][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9484.586917][ T10] netdev_get_by_index+0x5e/0x80 [ 9484.586917][ T10] fib6_nh_init+0x3d8/0x1580 [ 9484.586917][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9484.586917][ T10] ip6_route_add+0x1c/0x140 [ 9484.586917][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9484.586917][ T10] addrconf_add_dev+0xe2/0x170 [ 9484.586917][ T10] inet6_addr_add+0x12f/0xa40 [ 9484.586917][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9484.586917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9484.586917][ T10] netlink_rcv_skb+0x130/0x360 [ 9484.586917][ T10] netlink_unicast+0x449/0x710 [ 9484.586917][ T10] netlink_sendmsg+0x723/0xbe0 [ 9484.586917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9484.586917][ T10] ___sys_sendmsg+0xee/0x170 [ 9484.586917][ T10] __sys_sendmsg+0xcd/0x170 [ 9484.586917][ T10] do_syscall_64+0xc6/0x1e0 [ 9484.586917][ T10] [ 9484.589101][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9484.589101][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9484.589101][ T10] ipv6_find_idev+0x102/0x170 [ 9484.589101][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9484.589101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9484.589101][ T10] netlink_rcv_skb+0x130/0x360 [ 9484.589101][ T10] netlink_unicast+0x449/0x710 [ 9484.589101][ T10] netlink_sendmsg+0x723/0xbe0 [ 9484.589101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9484.589101][ T10] ___sys_sendmsg+0xee/0x170 [ 9484.589101][ T10] __sys_sendmsg+0xcd/0x170 [ 9484.589101][ T10] do_syscall_64+0xc6/0x1e0 [ 9484.589101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9484.589101][ T10] [ 9484.590799][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9484.590799][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9484.590799][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9484.590799][ T10] ipv6_find_idev+0x102/0x170 [ 9484.590799][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9484.590799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9484.590799][ T10] netlink_rcv_skb+0x130/0x360 [ 9484.590799][ T10] netlink_unicast+0x449/0x710 [ 9484.590799][ T10] netlink_sendmsg+0x723/0xbe0 [ 9484.590799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9484.590799][ T10] ___sys_sendmsg+0xee/0x170 [ 9484.590799][ T10] __sys_sendmsg+0xcd/0x170 [ 9484.590799][ T10] do_syscall_64+0xc6/0x1e0 [ 9484.590799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9484.590799][ T10] [ 9489.321101][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9489.321593][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9489.321593][ T1167] dst_init+0x84/0x4a0 [ 9489.321593][ T1167] dst_alloc+0x97/0x150 [ 9489.321593][ T1167] ip6_dst_alloc+0x23/0x90 [ 9489.321593][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9489.321593][ T1167] ip6_pol_route+0x56f/0x840 [ 9489.321593][ T1167] fib6_rule_lookup+0x334/0x630 [ 9489.321593][ T1167] ip6_route_output_flags+0x259/0x480 [ 9489.321593][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9489.321593][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9489.321593][ T1167] netlink_rcv_skb+0x130/0x360 [ 9489.321593][ T1167] netlink_unicast+0x449/0x710 [ 9489.321593][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9489.321593][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9489.321593][ T1167] ___sys_sendmsg+0xee/0x170 [ 9489.321593][ T1167] __sys_sendmsg+0xcd/0x170 [ 9489.321593][ T1167] do_syscall_64+0xc6/0x1e0 [ 9489.321593][ T1167] [ 9489.323830][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9489.323830][ T1167] netdev_get_by_index+0x5e/0x80 [ 9489.323830][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9489.323830][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9489.323830][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9489.323830][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9489.323830][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9489.323830][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9489.323830][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9489.323830][ T1167] addrconf_dad_begin+0x310/0x670 [ 9489.323830][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9489.323830][ T1167] process_one_work+0x84d/0x18a0 [ 9489.323830][ T1167] worker_thread+0x587/0xd30 [ 9489.323830][ T1167] kthread+0x28a/0x350 [ 9489.323830][ T1167] ret_from_fork+0x31/0x70 [ 9489.323830][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9489.323830][ T1167] [ 9489.325991][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9489.325991][ T1167] netdev_get_by_index+0x5e/0x80 [ 9489.325991][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9489.325991][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9489.325991][ T1167] ip6_route_add+0x1c/0x140 [ 9489.325991][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9489.325991][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9489.325991][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9489.325991][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9489.325991][ T1167] netlink_rcv_skb+0x130/0x360 [ 9489.325991][ T1167] netlink_unicast+0x449/0x710 [ 9489.325991][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9489.325991][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9489.325991][ T1167] ___sys_sendmsg+0xee/0x170 [ 9489.325991][ T1167] __sys_sendmsg+0xcd/0x170 [ 9489.325991][ T1167] do_syscall_64+0xc6/0x1e0 [ 9489.325991][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9489.325991][ T1167] [ 9489.328269][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9489.328269][ T1167] netdev_get_by_index+0x5e/0x80 [ 9489.328269][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9489.328269][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9489.328269][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9489.328269][ T1167] ipv6_add_addr+0x411/0x2000 [ 9489.328269][ T1167] inet6_addr_add+0x30e/0xa40 [ 9489.328269][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9489.328269][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9489.328269][ T1167] netlink_rcv_skb+0x130/0x360 [ 9489.328269][ T1167] netlink_unicast+0x449/0x710 [ 9489.328269][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9489.328269][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9489.328269][ T1167] ___sys_sendmsg+0xee/0x170 [ 9489.328269][ T1167] __sys_sendmsg+0xcd/0x170 [ 9489.328269][ T1167] do_syscall_64+0xc6/0x1e0 [ 9489.328269][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9489.328269][ T1167] [ 9489.330527][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9489.330527][ T1167] netdev_get_by_index+0x5e/0x80 [ 9489.330527][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9489.330527][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9489.330527][ T1167] ip6_route_add+0x1c/0x140 [ 9489.330527][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9489.330527][ T1167] addrconf_add_dev+0xe2/0x170 [ 9489.330527][ T1167] inet6_addr_add+0x12f/0xa40 [ 9489.330527][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9489.330527][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9489.330527][ T1167] netlink_rcv_skb+0x130/0x360 [ 9489.330527][ T1167] netlink_unicast+0x449/0x710 [ 9489.330527][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9489.330527][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9489.330527][ T1167] ___sys_sendmsg+0xee/0x170 [ 9489.330527][ T1167] __sys_sendmsg+0xcd/0x170 [ 9489.330527][ T1167] do_syscall_64+0xc6/0x1e0 [ 9489.330527][ T1167] [ 9489.332745][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9489.332745][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9489.332745][ T1167] ipv6_find_idev+0x102/0x170 [ 9489.332745][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9489.332745][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9489.332745][ T1167] netlink_rcv_skb+0x130/0x360 [ 9489.332745][ T1167] netlink_unicast+0x449/0x710 [ 9489.332745][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9489.332745][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9489.332745][ T1167] ___sys_sendmsg+0xee/0x170 [ 9489.332745][ T1167] __sys_sendmsg+0xcd/0x170 [ 9489.332745][ T1167] do_syscall_64+0xc6/0x1e0 [ 9489.332745][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9489.332745][ T1167] [ 9489.335018][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9489.335018][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9489.335018][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9489.335018][ T1167] ipv6_find_idev+0x102/0x170 [ 9489.335018][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9489.335018][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9489.335018][ T1167] netlink_rcv_skb+0x130/0x360 [ 9489.335018][ T1167] netlink_unicast+0x449/0x710 [ 9489.335018][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9489.335018][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9489.335018][ T1167] ___sys_sendmsg+0xee/0x170 [ 9489.335018][ T1167] __sys_sendmsg+0xcd/0x170 [ 9489.335018][ T1167] do_syscall_64+0xc6/0x1e0 [ 9489.335018][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9489.335018][ T1167] [ 9494.841102][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9494.841507][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9494.841507][ T10] netdev_get_by_index+0x5e/0x80 [ 9494.841507][ T10] fib6_nh_init+0x3d8/0x1580 [ 9494.841507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9494.841507][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9494.841507][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9494.841507][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9494.841507][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9494.841507][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9494.841507][ T10] addrconf_dad_begin+0x310/0x670 [ 9494.841507][ T10] addrconf_dad_work+0x10b/0xab0 [ 9494.841507][ T10] process_one_work+0x84d/0x18a0 [ 9494.841507][ T10] worker_thread+0x587/0xd30 [ 9494.841507][ T10] kthread+0x28a/0x350 [ 9494.841507][ T10] ret_from_fork+0x31/0x70 [ 9494.841507][ T10] ret_from_fork_asm+0x1a/0x30 [ 9494.841507][ T10] [ 9494.843429][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9494.843429][ T10] netdev_get_by_index+0x5e/0x80 [ 9494.843429][ T10] fib6_nh_init+0x3d8/0x1580 [ 9494.843429][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9494.843429][ T10] ip6_route_add+0x1c/0x140 [ 9494.843429][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9494.843429][ T10] inet6_addr_add+0x4f8/0xa40 [ 9494.843429][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9494.843429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9494.843429][ T10] netlink_rcv_skb+0x130/0x360 [ 9494.843429][ T10] netlink_unicast+0x449/0x710 [ 9494.843429][ T10] netlink_sendmsg+0x723/0xbe0 [ 9494.843429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9494.843429][ T10] ___sys_sendmsg+0xee/0x170 [ 9494.843429][ T10] __sys_sendmsg+0xcd/0x170 [ 9494.843429][ T10] do_syscall_64+0xc6/0x1e0 [ 9494.843429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9494.843429][ T10] [ 9494.845443][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9494.845443][ T10] netdev_get_by_index+0x5e/0x80 [ 9494.845443][ T10] fib6_nh_init+0x3d8/0x1580 [ 9494.845443][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9494.845443][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9494.845443][ T10] ipv6_add_addr+0x411/0x2000 [ 9494.845443][ T10] inet6_addr_add+0x30e/0xa40 [ 9494.845443][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9494.845443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9494.845443][ T10] netlink_rcv_skb+0x130/0x360 [ 9494.845443][ T10] netlink_unicast+0x449/0x710 [ 9494.845443][ T10] netlink_sendmsg+0x723/0xbe0 [ 9494.845443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9494.845443][ T10] ___sys_sendmsg+0xee/0x170 [ 9494.845443][ T10] __sys_sendmsg+0xcd/0x170 [ 9494.845443][ T10] do_syscall_64+0xc6/0x1e0 [ 9494.845443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9494.845443][ T10] [ 9494.847444][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9494.847444][ T10] netdev_get_by_index+0x5e/0x80 [ 9494.847444][ T10] fib6_nh_init+0x3d8/0x1580 [ 9494.847444][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9494.847444][ T10] ip6_route_add+0x1c/0x140 [ 9494.847444][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9494.847444][ T10] addrconf_add_dev+0xe2/0x170 [ 9494.847444][ T10] inet6_addr_add+0x12f/0xa40 [ 9494.847444][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9494.847444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9494.847444][ T10] netlink_rcv_skb+0x130/0x360 [ 9494.847444][ T10] netlink_unicast+0x449/0x710 [ 9494.847444][ T10] netlink_sendmsg+0x723/0xbe0 [ 9494.847444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9494.847444][ T10] ___sys_sendmsg+0xee/0x170 [ 9494.847444][ T10] __sys_sendmsg+0xcd/0x170 [ 9494.847444][ T10] do_syscall_64+0xc6/0x1e0 [ 9494.847444][ T10] [ 9494.849408][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9494.849408][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9494.849408][ T10] ipv6_find_idev+0x102/0x170 [ 9494.849408][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9494.849408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9494.849408][ T10] netlink_rcv_skb+0x130/0x360 [ 9494.849408][ T10] netlink_unicast+0x449/0x710 [ 9494.849408][ T10] netlink_sendmsg+0x723/0xbe0 [ 9494.849408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9494.849408][ T10] ___sys_sendmsg+0xee/0x170 [ 9494.849408][ T10] __sys_sendmsg+0xcd/0x170 [ 9494.849408][ T10] do_syscall_64+0xc6/0x1e0 [ 9494.849408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9494.849408][ T10] [ 9494.850939][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9494.850939][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9494.850939][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9494.850939][ T10] ipv6_find_idev+0x102/0x170 [ 9494.850939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9494.850939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9494.850939][ T10] netlink_rcv_skb+0x130/0x360 [ 9494.850939][ T10] netlink_unicast+0x449/0x710 [ 9494.850939][ T10] netlink_sendmsg+0x723/0xbe0 [ 9494.850939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9494.850939][ T10] ___sys_sendmsg+0xee/0x170 [ 9494.850939][ T10] __sys_sendmsg+0xcd/0x170 [ 9494.850939][ T10] do_syscall_64+0xc6/0x1e0 [ 9494.850939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9494.850939][ T10] [ 9494.852612][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9494.852852][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9494.852852][ T10] netdev_get_by_index+0x5e/0x80 [ 9494.852852][ T10] fib6_nh_init+0x3d8/0x1580 [ 9494.852852][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9494.852852][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9494.852852][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9494.852852][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9494.852852][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9494.852852][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9494.852852][ T10] addrconf_dad_begin+0x310/0x670 [ 9494.852852][ T10] addrconf_dad_work+0x10b/0xab0 [ 9494.852852][ T10] process_one_work+0x84d/0x18a0 [ 9494.852852][ T10] worker_thread+0x587/0xd30 [ 9494.852852][ T10] kthread+0x28a/0x350 [ 9494.852852][ T10] ret_from_fork+0x31/0x70 [ 9494.852852][ T10] ret_from_fork_asm+0x1a/0x30 [ 9494.852852][ T10] [ 9494.854753][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9494.854753][ T10] netdev_get_by_index+0x5e/0x80 [ 9494.854753][ T10] fib6_nh_init+0x3d8/0x1580 [ 9494.854753][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9494.854753][ T10] ip6_route_add+0x1c/0x140 [ 9494.854753][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9494.854753][ T10] inet6_addr_add+0x4f8/0xa40 [ 9494.854753][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9494.854753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9494.854753][ T10] netlink_rcv_skb+0x130/0x360 [ 9494.854753][ T10] netlink_unicast+0x449/0x710 [ 9494.854753][ T10] netlink_sendmsg+0x723/0xbe0 [ 9494.854753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9494.854753][ T10] ___sys_sendmsg+0xee/0x170 [ 9494.854753][ T10] __sys_sendmsg+0xcd/0x170 [ 9494.854753][ T10] do_syscall_64+0xc6/0x1e0 [ 9494.854753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9494.854753][ T10] [ 9494.856761][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9494.856761][ T10] netdev_get_by_index+0x5e/0x80 [ 9494.856761][ T10] fib6_nh_init+0x3d8/0x1580 [ 9494.856761][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9494.856761][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9494.856761][ T10] ipv6_add_addr+0x411/0x2000 [ 9494.856761][ T10] inet6_addr_add+0x30e/0xa40 [ 9494.856761][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9494.856761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9494.856761][ T10] netlink_rcv_skb+0x130/0x360 [ 9494.856761][ T10] netlink_unicast+0x449/0x710 [ 9494.856761][ T10] netlink_sendmsg+0x723/0xbe0 [ 9494.856761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9494.856761][ T10] ___sys_sendmsg+0xee/0x170 [ 9494.856761][ T10] __sys_sendmsg+0xcd/0x170 [ 9494.856761][ T10] do_syscall_64+0xc6/0x1e0 [ 9494.856761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9494.856761][ T10] [ 9494.858740][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9494.858740][ T10] netdev_get_by_index+0x5e/0x80 [ 9494.858740][ T10] fib6_nh_init+0x3d8/0x1580 [ 9494.858740][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9494.858740][ T10] ip6_route_add+0x1c/0x140 [ 9494.858740][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9494.858740][ T10] addrconf_add_dev+0xe2/0x170 [ 9494.858740][ T10] inet6_addr_add+0x12f/0xa40 [ 9494.858740][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9494.858740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9494.858740][ T10] netlink_rcv_skb+0x130/0x360 [ 9494.858740][ T10] netlink_unicast+0x449/0x710 [ 9494.858740][ T10] netlink_sendmsg+0x723/0xbe0 [ 9494.858740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9494.858740][ T10] ___sys_sendmsg+0xee/0x170 [ 9494.858740][ T10] __sys_sendmsg+0xcd/0x170 [ 9494.858740][ T10] do_syscall_64+0xc6/0x1e0 [ 9494.858740][ T10] [ 9494.860684][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9494.860684][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9494.860684][ T10] ipv6_find_idev+0x102/0x170 [ 9494.860684][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9494.860684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9494.860684][ T10] netlink_rcv_skb+0x130/0x360 [ 9494.860684][ T10] netlink_unicast+0x449/0x710 [ 9494.860684][ T10] netlink_sendmsg+0x723/0xbe0 [ 9494.860684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9494.860684][ T10] ___sys_sendmsg+0xee/0x170 [ 9494.860684][ T10] __sys_sendmsg+0xcd/0x170 [ 9494.860684][ T10] do_syscall_64+0xc6/0x1e0 [ 9494.860684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9494.860684][ T10] [ 9494.862208][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9494.862208][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9494.862208][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9494.862208][ T10] ipv6_find_idev+0x102/0x170 [ 9494.862208][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9494.862208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9494.862208][ T10] netlink_rcv_skb+0x130/0x360 [ 9494.862208][ T10] netlink_unicast+0x449/0x710 [ 9494.862208][ T10] netlink_sendmsg+0x723/0xbe0 [ 9494.862208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9494.862208][ T10] ___sys_sendmsg+0xee/0x170 [ 9494.862208][ T10] __sys_sendmsg+0xcd/0x170 [ 9494.862208][ T10] do_syscall_64+0xc6/0x1e0 [ 9494.862208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9494.862208][ T10] [ 9494.863879][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9494.864123][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9494.864123][ T10] netdev_get_by_index+0x5e/0x80 [ 9494.864123][ T10] fib6_nh_init+0x3d8/0x1580 [ 9494.864123][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9494.864123][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9494.864123][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9494.864123][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9494.864123][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9494.864123][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9494.864123][ T10] addrconf_dad_begin+0x310/0x670 [ 9494.864123][ T10] addrconf_dad_work+0x10b/0xab0 [ 9494.864123][ T10] process_one_work+0x84d/0x18a0 [ 9494.864123][ T10] worker_thread+0x587/0xd30 [ 9494.864123][ T10] kthread+0x28a/0x350 [ 9494.864123][ T10] ret_from_fork+0x31/0x70 [ 9494.864123][ T10] ret_from_fork_asm+0x1a/0x30 [ 9494.864123][ T10] [ 9494.866021][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9494.866021][ T10] netdev_get_by_index+0x5e/0x80 [ 9494.866021][ T10] fib6_nh_init+0x3d8/0x1580 [ 9494.866021][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9494.866021][ T10] ip6_route_add+0x1c/0x140 [ 9494.866021][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9494.866021][ T10] inet6_addr_add+0x4f8/0xa40 [ 9494.866021][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9494.866021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9494.866021][ T10] netlink_rcv_skb+0x130/0x360 [ 9494.866021][ T10] netlink_unicast+0x449/0x710 [ 9494.866021][ T10] netlink_sendmsg+0x723/0xbe0 [ 9494.866021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9494.866021][ T10] ___sys_sendmsg+0xee/0x170 [ 9494.866021][ T10] __sys_sendmsg+0xcd/0x170 [ 9494.866021][ T10] do_syscall_64+0xc6/0x1e0 [ 9494.866021][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9494.866021][ T10] [ 9494.868190][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9494.868190][ T10] netdev_get_by_index+0x5e/0x80 [ 9494.868190][ T10] fib6_nh_init+0x3d8/0x1580 [ 9494.868190][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9494.868190][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9494.868190][ T10] ipv6_add_addr+0x411/0x2000 [ 9494.868190][ T10] inet6_addr_add+0x30e/0xa40 [ 9494.868190][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9494.868190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9494.868190][ T10] netlink_rcv_skb+0x130/0x360 [ 9494.868190][ T10] netlink_unicast+0x449/0x710 [ 9494.868190][ T10] netlink_sendmsg+0x723/0xbe0 [ 9494.868190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9494.868190][ T10] ___sys_sendmsg+0xee/0x170 [ 9494.868190][ T10] __sys_sendmsg+0xcd/0x170 [ 9494.868190][ T10] do_syscall_64+0xc6/0x1e0 [ 9494.868190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9494.868190][ T10] [ 9494.870469][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9494.870469][ T10] netdev_get_by_index+0x5e/0x80 [ 9494.870469][ T10] fib6_nh_init+0x3d8/0x1580 [ 9494.870469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9494.870469][ T10] ip6_route_add+0x1c/0x140 [ 9494.870469][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9494.870469][ T10] addrconf_add_dev+0xe2/0x170 [ 9494.870469][ T10] inet6_addr_add+0x12f/0xa40 [ 9494.870469][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9494.870469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9494.870469][ T10] netlink_rcv_skb+0x130/0x360 [ 9494.870469][ T10] netlink_unicast+0x449/0x710 [ 9494.870469][ T10] netlink_sendmsg+0x723/0xbe0 [ 9494.870469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9494.870469][ T10] ___sys_sendmsg+0xee/0x170 [ 9494.870469][ T10] __sys_sendmsg+0xcd/0x170 [ 9494.870469][ T10] do_syscall_64+0xc6/0x1e0 [ 9494.870469][ T10] [ 9494.872594][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9494.872594][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9494.872594][ T10] ipv6_find_idev+0x102/0x170 [ 9494.872594][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9494.872594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9494.872594][ T10] netlink_rcv_skb+0x130/0x360 [ 9494.872594][ T10] netlink_unicast+0x449/0x710 [ 9494.872594][ T10] netlink_sendmsg+0x723/0xbe0 [ 9494.872594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9494.872594][ T10] ___sys_sendmsg+0xee/0x170 [ 9494.872594][ T10] __sys_sendmsg+0xcd/0x170 [ 9494.872594][ T10] do_syscall_64+0xc6/0x1e0 [ 9494.872594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9494.872594][ T10] [ 9494.874303][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9494.874303][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9494.874303][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9494.874303][ T10] ipv6_find_idev+0x102/0x170 [ 9494.874303][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9494.874303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9494.874303][ T10] netlink_rcv_skb+0x130/0x360 [ 9494.874303][ T10] netlink_unicast+0x449/0x710 [ 9494.874303][ T10] netlink_sendmsg+0x723/0xbe0 [ 9494.874303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9494.874303][ T10] ___sys_sendmsg+0xee/0x170 [ 9494.874303][ T10] __sys_sendmsg+0xcd/0x170 [ 9494.874303][ T10] do_syscall_64+0xc6/0x1e0 [ 9494.874303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9494.874303][ T10] [ 9494.876165][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9494.876402][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9494.876402][ T10] netdev_get_by_index+0x5e/0x80 [ 9494.876402][ T10] fib6_nh_init+0x3d8/0x1580 [ 9494.876402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9494.876402][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9494.876402][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9494.876402][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9494.876402][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9494.876402][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9494.876402][ T10] addrconf_dad_begin+0x310/0x670 [ 9494.876402][ T10] addrconf_dad_work+0x10b/0xab0 [ 9494.876402][ T10] process_one_work+0x84d/0x18a0 [ 9494.876402][ T10] worker_thread+0x587/0xd30 [ 9494.876402][ T10] kthread+0x28a/0x350 [ 9494.876402][ T10] ret_from_fork+0x31/0x70 [ 9494.876402][ T10] ret_from_fork_asm+0x1a/0x30 [ 9494.876402][ T10] [ 9494.878592][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9494.878592][ T10] netdev_get_by_index+0x5e/0x80 [ 9494.878592][ T10] fib6_nh_init+0x3d8/0x1580 [ 9494.878592][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9494.878592][ T10] ip6_route_add+0x1c/0x140 [ 9494.878592][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9494.878592][ T10] inet6_addr_add+0x4f8/0xa40 [ 9494.878592][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9494.878592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9494.878592][ T10] netlink_rcv_skb+0x130/0x360 [ 9494.878592][ T10] netlink_unicast+0x449/0x710 [ 9494.878592][ T10] netlink_sendmsg+0x723/0xbe0 [ 9494.878592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9494.878592][ T10] ___sys_sendmsg+0xee/0x170 [ 9494.878592][ T10] __sys_sendmsg+0xcd/0x170 [ 9494.878592][ T10] do_syscall_64+0xc6/0x1e0 [ 9494.878592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9494.878592][ T10] [ 9494.880767][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9494.880767][ T10] netdev_get_by_index+0x5e/0x80 [ 9494.880767][ T10] fib6_nh_init+0x3d8/0x1580 [ 9494.880767][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9494.880767][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9494.880767][ T10] ipv6_add_addr+0x411/0x2000 [ 9494.880767][ T10] inet6_addr_add+0x30e/0xa40 [ 9494.880767][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9494.880767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9494.880767][ T10] netlink_rcv_skb+0x130/0x360 [ 9494.880767][ T10] netlink_unicast+0x449/0x710 [ 9494.880767][ T10] netlink_sendmsg+0x723/0xbe0 [ 9494.880767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9494.880767][ T10] ___sys_sendmsg+0xee/0x170 [ 9494.880767][ T10] __sys_sendmsg+0xcd/0x170 [ 9494.880767][ T10] do_syscall_64+0xc6/0x1e0 [ 9494.880767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9494.880767][ T10] [ 9494.883016][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9494.883016][ T10] netdev_get_by_index+0x5e/0x80 [ 9494.883016][ T10] fib6_nh_init+0x3d8/0x1580 [ 9494.883016][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9494.883016][ T10] ip6_route_add+0x1c/0x140 [ 9494.883016][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9494.883016][ T10] addrconf_add_dev+0xe2/0x170 [ 9494.883016][ T10] inet6_addr_add+0x12f/0xa40 [ 9494.883016][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9494.883016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9494.883016][ T10] netlink_rcv_skb+0x130/0x360 [ 9494.883016][ T10] netlink_unicast+0x449/0x710 [ 9494.883016][ T10] netlink_sendmsg+0x723/0xbe0 [ 9494.883016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9494.883016][ T10] ___sys_sendmsg+0xee/0x170 [ 9494.883016][ T10] __sys_sendmsg+0xcd/0x170 [ 9494.883016][ T10] do_syscall_64+0xc6/0x1e0 [ 9494.883016][ T10] [ 9494.885212][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9494.885212][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9494.885212][ T10] ipv6_find_idev+0x102/0x170 [ 9494.885212][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9494.885212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9494.885212][ T10] netlink_rcv_skb+0x130/0x360 [ 9494.885212][ T10] netlink_unicast+0x449/0x710 [ 9494.885212][ T10] netlink_sendmsg+0x723/0xbe0 [ 9494.885212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9494.885212][ T10] ___sys_sendmsg+0xee/0x170 [ 9494.885212][ T10] __sys_sendmsg+0xcd/0x170 [ 9494.885212][ T10] do_syscall_64+0xc6/0x1e0 [ 9494.885212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9494.885212][ T10] [ 9494.886922][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9494.886922][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9494.886922][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9494.886922][ T10] ipv6_find_idev+0x102/0x170 [ 9494.886922][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9494.886922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9494.886922][ T10] netlink_rcv_skb+0x130/0x360 [ 9494.886922][ T10] netlink_unicast+0x449/0x710 [ 9494.886922][ T10] netlink_sendmsg+0x723/0xbe0 [ 9494.886922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9494.886922][ T10] ___sys_sendmsg+0xee/0x170 [ 9494.886922][ T10] __sys_sendmsg+0xcd/0x170 [ 9494.886922][ T10] do_syscall_64+0xc6/0x1e0 [ 9494.886922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9494.886922][ T10] [ 9499.577058][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9499.577545][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9499.577545][ T1167] dst_init+0x84/0x4a0 [ 9499.577545][ T1167] dst_alloc+0x97/0x150 [ 9499.577545][ T1167] ip6_dst_alloc+0x23/0x90 [ 9499.577545][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9499.577545][ T1167] ip6_pol_route+0x56f/0x840 [ 9499.577545][ T1167] fib6_rule_lookup+0x334/0x630 [ 9499.577545][ T1167] ip6_route_output_flags+0x259/0x480 [ 9499.577545][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9499.577545][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9499.577545][ T1167] netlink_rcv_skb+0x130/0x360 [ 9499.577545][ T1167] netlink_unicast+0x449/0x710 [ 9499.577545][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9499.577545][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9499.577545][ T1167] ___sys_sendmsg+0xee/0x170 [ 9499.577545][ T1167] __sys_sendmsg+0xcd/0x170 [ 9499.577545][ T1167] do_syscall_64+0xc6/0x1e0 [ 9499.577545][ T1167] [ 9499.579790][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9499.579790][ T1167] netdev_get_by_index+0x5e/0x80 [ 9499.579790][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9499.579790][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9499.579790][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9499.579790][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9499.579790][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9499.579790][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9499.579790][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9499.579790][ T1167] addrconf_dad_begin+0x310/0x670 [ 9499.579790][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9499.579790][ T1167] process_one_work+0x84d/0x18a0 [ 9499.579790][ T1167] worker_thread+0x587/0xd30 [ 9499.579790][ T1167] kthread+0x28a/0x350 [ 9499.579790][ T1167] ret_from_fork+0x31/0x70 [ 9499.579790][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9499.579790][ T1167] [ 9499.581949][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9499.581949][ T1167] netdev_get_by_index+0x5e/0x80 [ 9499.581949][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9499.581949][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9499.581949][ T1167] ip6_route_add+0x1c/0x140 [ 9499.581949][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9499.581949][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9499.581949][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9499.581949][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9499.581949][ T1167] netlink_rcv_skb+0x130/0x360 [ 9499.581949][ T1167] netlink_unicast+0x449/0x710 [ 9499.581949][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9499.581949][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9499.581949][ T1167] ___sys_sendmsg+0xee/0x170 [ 9499.581949][ T1167] __sys_sendmsg+0xcd/0x170 [ 9499.581949][ T1167] do_syscall_64+0xc6/0x1e0 [ 9499.581949][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9499.581949][ T1167] [ 9499.584225][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9499.584225][ T1167] netdev_get_by_index+0x5e/0x80 [ 9499.584225][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9499.584225][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9499.584225][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9499.584225][ T1167] ipv6_add_addr+0x411/0x2000 [ 9499.584225][ T1167] inet6_addr_add+0x30e/0xa40 [ 9499.584225][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9499.584225][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9499.584225][ T1167] netlink_rcv_skb+0x130/0x360 [ 9499.584225][ T1167] netlink_unicast+0x449/0x710 [ 9499.584225][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9499.584225][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9499.584225][ T1167] ___sys_sendmsg+0xee/0x170 [ 9499.584225][ T1167] __sys_sendmsg+0xcd/0x170 [ 9499.584225][ T1167] do_syscall_64+0xc6/0x1e0 [ 9499.584225][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9499.584225][ T1167] [ 9499.586484][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9499.586484][ T1167] netdev_get_by_index+0x5e/0x80 [ 9499.586484][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9499.586484][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9499.586484][ T1167] ip6_route_add+0x1c/0x140 [ 9499.586484][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9499.586484][ T1167] addrconf_add_dev+0xe2/0x170 [ 9499.586484][ T1167] inet6_addr_add+0x12f/0xa40 [ 9499.586484][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9499.586484][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9499.586484][ T1167] netlink_rcv_skb+0x130/0x360 [ 9499.586484][ T1167] netlink_unicast+0x449/0x710 [ 9499.586484][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9499.586484][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9499.586484][ T1167] ___sys_sendmsg+0xee/0x170 [ 9499.586484][ T1167] __sys_sendmsg+0xcd/0x170 [ 9499.586484][ T1167] do_syscall_64+0xc6/0x1e0 [ 9499.586484][ T1167] [ 9499.588701][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9499.588701][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9499.588701][ T1167] ipv6_find_idev+0x102/0x170 [ 9499.588701][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9499.588701][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9499.588701][ T1167] netlink_rcv_skb+0x130/0x360 [ 9499.588701][ T1167] netlink_unicast+0x449/0x710 [ 9499.588701][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9499.588701][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9499.588701][ T1167] ___sys_sendmsg+0xee/0x170 [ 9499.588701][ T1167] __sys_sendmsg+0xcd/0x170 [ 9499.588701][ T1167] do_syscall_64+0xc6/0x1e0 [ 9499.588701][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9499.588701][ T1167] [ 9499.590436][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9499.590436][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9499.590436][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9499.590436][ T1167] ipv6_find_idev+0x102/0x170 [ 9499.590436][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9499.590436][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9499.590436][ T1167] netlink_rcv_skb+0x130/0x360 [ 9499.590436][ T1167] netlink_unicast+0x449/0x710 [ 9499.590436][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9499.590436][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9499.590436][ T1167] ___sys_sendmsg+0xee/0x170 [ 9499.590436][ T1167] __sys_sendmsg+0xcd/0x170 [ 9499.590436][ T1167] do_syscall_64+0xc6/0x1e0 [ 9499.590436][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9499.590436][ T1167] [ 9504.953106][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9504.953450][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9504.953450][ T10] netdev_get_by_index+0x5e/0x80 [ 9504.953450][ T10] fib6_nh_init+0x3d8/0x1580 [ 9504.953450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9504.953450][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9504.953450][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9504.953450][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9504.953450][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9504.953450][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9504.953450][ T10] addrconf_dad_begin+0x310/0x670 [ 9504.953450][ T10] addrconf_dad_work+0x10b/0xab0 [ 9504.953450][ T10] process_one_work+0x84d/0x18a0 [ 9504.953450][ T10] worker_thread+0x587/0xd30 [ 9504.953450][ T10] kthread+0x28a/0x350 [ 9504.953450][ T10] ret_from_fork+0x31/0x70 [ 9504.953450][ T10] ret_from_fork_asm+0x1a/0x30 [ 9504.953450][ T10] [ 9504.955385][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9504.955385][ T10] netdev_get_by_index+0x5e/0x80 [ 9504.955385][ T10] fib6_nh_init+0x3d8/0x1580 [ 9504.955385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9504.955385][ T10] ip6_route_add+0x1c/0x140 [ 9504.955385][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9504.955385][ T10] inet6_addr_add+0x4f8/0xa40 [ 9504.955385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9504.955385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9504.955385][ T10] netlink_rcv_skb+0x130/0x360 [ 9504.955385][ T10] netlink_unicast+0x449/0x710 [ 9504.955385][ T10] netlink_sendmsg+0x723/0xbe0 [ 9504.955385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9504.955385][ T10] ___sys_sendmsg+0xee/0x170 [ 9504.955385][ T10] __sys_sendmsg+0xcd/0x170 [ 9504.955385][ T10] do_syscall_64+0xc6/0x1e0 [ 9504.955385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9504.955385][ T10] [ 9504.957372][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9504.957372][ T10] netdev_get_by_index+0x5e/0x80 [ 9504.957372][ T10] fib6_nh_init+0x3d8/0x1580 [ 9504.957372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9504.957372][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9504.957372][ T10] ipv6_add_addr+0x411/0x2000 [ 9504.957372][ T10] inet6_addr_add+0x30e/0xa40 [ 9504.957372][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9504.957372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9504.957372][ T10] netlink_rcv_skb+0x130/0x360 [ 9504.957372][ T10] netlink_unicast+0x449/0x710 [ 9504.957372][ T10] netlink_sendmsg+0x723/0xbe0 [ 9504.957372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9504.957372][ T10] ___sys_sendmsg+0xee/0x170 [ 9504.957372][ T10] __sys_sendmsg+0xcd/0x170 [ 9504.957372][ T10] do_syscall_64+0xc6/0x1e0 [ 9504.957372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9504.957372][ T10] [ 9504.959347][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9504.959347][ T10] netdev_get_by_index+0x5e/0x80 [ 9504.959347][ T10] fib6_nh_init+0x3d8/0x1580 [ 9504.959347][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9504.959347][ T10] ip6_route_add+0x1c/0x140 [ 9504.959347][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9504.959347][ T10] addrconf_add_dev+0xe2/0x170 [ 9504.959347][ T10] inet6_addr_add+0x12f/0xa40 [ 9504.959347][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9504.959347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9504.959347][ T10] netlink_rcv_skb+0x130/0x360 [ 9504.959347][ T10] netlink_unicast+0x449/0x710 [ 9504.959347][ T10] netlink_sendmsg+0x723/0xbe0 [ 9504.959347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9504.959347][ T10] ___sys_sendmsg+0xee/0x170 [ 9504.959347][ T10] __sys_sendmsg+0xcd/0x170 [ 9504.959347][ T10] do_syscall_64+0xc6/0x1e0 [ 9504.959347][ T10] [ 9504.961314][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9504.961314][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9504.961314][ T10] ipv6_find_idev+0x102/0x170 [ 9504.961314][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9504.961314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9504.961314][ T10] netlink_rcv_skb+0x130/0x360 [ 9504.961314][ T10] netlink_unicast+0x449/0x710 [ 9504.961314][ T10] netlink_sendmsg+0x723/0xbe0 [ 9504.961314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9504.961314][ T10] ___sys_sendmsg+0xee/0x170 [ 9504.961314][ T10] __sys_sendmsg+0xcd/0x170 [ 9504.961314][ T10] do_syscall_64+0xc6/0x1e0 [ 9504.961314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9504.961314][ T10] [ 9504.962839][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9504.962839][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9504.962839][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9504.962839][ T10] ipv6_find_idev+0x102/0x170 [ 9504.962839][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9504.962839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9504.962839][ T10] netlink_rcv_skb+0x130/0x360 [ 9504.962839][ T10] netlink_unicast+0x449/0x710 [ 9504.962839][ T10] netlink_sendmsg+0x723/0xbe0 [ 9504.962839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9504.962839][ T10] ___sys_sendmsg+0xee/0x170 [ 9504.962839][ T10] __sys_sendmsg+0xcd/0x170 [ 9504.962839][ T10] do_syscall_64+0xc6/0x1e0 [ 9504.962839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9504.962839][ T10] [ 9504.964516][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9504.964752][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9504.964752][ T10] netdev_get_by_index+0x5e/0x80 [ 9504.964752][ T10] fib6_nh_init+0x3d8/0x1580 [ 9504.964752][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9504.964752][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9504.964752][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9504.964752][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9504.964752][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9504.964752][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9504.964752][ T10] addrconf_dad_begin+0x310/0x670 [ 9504.964752][ T10] addrconf_dad_work+0x10b/0xab0 [ 9504.964752][ T10] process_one_work+0x84d/0x18a0 [ 9504.964752][ T10] worker_thread+0x587/0xd30 [ 9504.964752][ T10] kthread+0x28a/0x350 [ 9504.964752][ T10] ret_from_fork+0x31/0x70 [ 9504.964752][ T10] ret_from_fork_asm+0x1a/0x30 [ 9504.964752][ T10] [ 9504.966643][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9504.966643][ T10] netdev_get_by_index+0x5e/0x80 [ 9504.966643][ T10] fib6_nh_init+0x3d8/0x1580 [ 9504.966643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9504.966643][ T10] ip6_route_add+0x1c/0x140 [ 9504.966643][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9504.966643][ T10] inet6_addr_add+0x4f8/0xa40 [ 9504.966643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9504.966643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9504.966643][ T10] netlink_rcv_skb+0x130/0x360 [ 9504.966643][ T10] netlink_unicast+0x449/0x710 [ 9504.966643][ T10] netlink_sendmsg+0x723/0xbe0 [ 9504.966643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9504.966643][ T10] ___sys_sendmsg+0xee/0x170 [ 9504.966643][ T10] __sys_sendmsg+0xcd/0x170 [ 9504.966643][ T10] do_syscall_64+0xc6/0x1e0 [ 9504.966643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9504.966643][ T10] [ 9504.968615][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9504.968615][ T10] netdev_get_by_index+0x5e/0x80 [ 9504.968615][ T10] fib6_nh_init+0x3d8/0x1580 [ 9504.968615][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9504.968615][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9504.968615][ T10] ipv6_add_addr+0x411/0x2000 [ 9504.968615][ T10] inet6_addr_add+0x30e/0xa40 [ 9504.968615][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9504.968615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9504.968615][ T10] netlink_rcv_skb+0x130/0x360 [ 9504.968615][ T10] netlink_unicast+0x449/0x710 [ 9504.968615][ T10] netlink_sendmsg+0x723/0xbe0 [ 9504.968615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9504.968615][ T10] ___sys_sendmsg+0xee/0x170 [ 9504.968615][ T10] __sys_sendmsg+0xcd/0x170 [ 9504.968615][ T10] do_syscall_64+0xc6/0x1e0 [ 9504.968615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9504.968615][ T10] [ 9504.970609][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9504.970609][ T10] netdev_get_by_index+0x5e/0x80 [ 9504.970609][ T10] fib6_nh_init+0x3d8/0x1580 [ 9504.970609][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9504.970609][ T10] ip6_route_add+0x1c/0x140 [ 9504.970609][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9504.970609][ T10] addrconf_add_dev+0xe2/0x170 [ 9504.970609][ T10] inet6_addr_add+0x12f/0xa40 [ 9504.970609][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9504.970609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9504.970609][ T10] netlink_rcv_skb+0x130/0x360 [ 9504.970609][ T10] netlink_unicast+0x449/0x710 [ 9504.970609][ T10] netlink_sendmsg+0x723/0xbe0 [ 9504.970609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9504.970609][ T10] ___sys_sendmsg+0xee/0x170 [ 9504.970609][ T10] __sys_sendmsg+0xcd/0x170 [ 9504.970609][ T10] do_syscall_64+0xc6/0x1e0 [ 9504.970609][ T10] [ 9504.972550][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9504.972550][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9504.972550][ T10] ipv6_find_idev+0x102/0x170 [ 9504.972550][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9504.972550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9504.972550][ T10] netlink_rcv_skb+0x130/0x360 [ 9504.972550][ T10] netlink_unicast+0x449/0x710 [ 9504.972550][ T10] netlink_sendmsg+0x723/0xbe0 [ 9504.972550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9504.972550][ T10] ___sys_sendmsg+0xee/0x170 [ 9504.972550][ T10] __sys_sendmsg+0xcd/0x170 [ 9504.972550][ T10] do_syscall_64+0xc6/0x1e0 [ 9504.972550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9504.972550][ T10] [ 9504.974097][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9504.974097][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9504.974097][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9504.974097][ T10] ipv6_find_idev+0x102/0x170 [ 9504.974097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9504.974097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9504.974097][ T10] netlink_rcv_skb+0x130/0x360 [ 9504.974097][ T10] netlink_unicast+0x449/0x710 [ 9504.974097][ T10] netlink_sendmsg+0x723/0xbe0 [ 9504.974097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9504.974097][ T10] ___sys_sendmsg+0xee/0x170 [ 9504.974097][ T10] __sys_sendmsg+0xcd/0x170 [ 9504.974097][ T10] do_syscall_64+0xc6/0x1e0 [ 9504.974097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9504.974097][ T10] [ 9504.975772][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9504.976005][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9504.976005][ T10] netdev_get_by_index+0x5e/0x80 [ 9504.976005][ T10] fib6_nh_init+0x3d8/0x1580 [ 9504.976005][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9504.976005][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9504.976005][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9504.976005][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9504.976005][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9504.976005][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9504.976005][ T10] addrconf_dad_begin+0x310/0x670 [ 9504.976005][ T10] addrconf_dad_work+0x10b/0xab0 [ 9504.976005][ T10] process_one_work+0x84d/0x18a0 [ 9504.976005][ T10] worker_thread+0x587/0xd30 [ 9504.976005][ T10] kthread+0x28a/0x350 [ 9504.976005][ T10] ret_from_fork+0x31/0x70 [ 9504.976005][ T10] ret_from_fork_asm+0x1a/0x30 [ 9504.976005][ T10] [ 9504.977899][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9504.977899][ T10] netdev_get_by_index+0x5e/0x80 [ 9504.977899][ T10] fib6_nh_init+0x3d8/0x1580 [ 9504.977899][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9504.977899][ T10] ip6_route_add+0x1c/0x140 [ 9504.977899][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9504.977899][ T10] inet6_addr_add+0x4f8/0xa40 [ 9504.977899][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9504.977899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9504.977899][ T10] netlink_rcv_skb+0x130/0x360 [ 9504.977899][ T10] netlink_unicast+0x449/0x710 [ 9504.977899][ T10] netlink_sendmsg+0x723/0xbe0 [ 9504.977899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9504.977899][ T10] ___sys_sendmsg+0xee/0x170 [ 9504.977899][ T10] __sys_sendmsg+0xcd/0x170 [ 9504.977899][ T10] do_syscall_64+0xc6/0x1e0 [ 9504.977899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9504.977899][ T10] [ 9504.980013][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9504.980013][ T10] netdev_get_by_index+0x5e/0x80 [ 9504.980013][ T10] fib6_nh_init+0x3d8/0x1580 [ 9504.980013][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9504.980013][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9504.980013][ T10] ipv6_add_addr+0x411/0x2000 [ 9504.980013][ T10] inet6_addr_add+0x30e/0xa40 [ 9504.980013][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9504.980013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9504.980013][ T10] netlink_rcv_skb+0x130/0x360 [ 9504.980013][ T10] netlink_unicast+0x449/0x710 [ 9504.980013][ T10] netlink_sendmsg+0x723/0xbe0 [ 9504.980013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9504.980013][ T10] ___sys_sendmsg+0xee/0x170 [ 9504.980013][ T10] __sys_sendmsg+0xcd/0x170 [ 9504.980013][ T10] do_syscall_64+0xc6/0x1e0 [ 9504.980013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9504.980013][ T10] [ 9504.982646][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9504.982646][ T10] netdev_get_by_index+0x5e/0x80 [ 9504.982646][ T10] fib6_nh_init+0x3d8/0x1580 [ 9504.982646][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9504.982646][ T10] ip6_route_add+0x1c/0x140 [ 9504.982646][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9504.982646][ T10] addrconf_add_dev+0xe2/0x170 [ 9504.982646][ T10] inet6_addr_add+0x12f/0xa40 [ 9504.982646][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9504.982646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9504.982646][ T10] netlink_rcv_skb+0x130/0x360 [ 9504.982646][ T10] netlink_unicast+0x449/0x710 [ 9504.982646][ T10] netlink_sendmsg+0x723/0xbe0 [ 9504.982646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9504.982646][ T10] ___sys_sendmsg+0xee/0x170 [ 9504.982646][ T10] __sys_sendmsg+0xcd/0x170 [ 9504.982646][ T10] do_syscall_64+0xc6/0x1e0 [ 9504.982646][ T10] [ 9504.984728][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9504.984728][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9504.984728][ T10] ipv6_find_idev+0x102/0x170 [ 9504.984728][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9504.984728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9504.984728][ T10] netlink_rcv_skb+0x130/0x360 [ 9504.984728][ T10] netlink_unicast+0x449/0x710 [ 9504.984728][ T10] netlink_sendmsg+0x723/0xbe0 [ 9504.984728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9504.984728][ T10] ___sys_sendmsg+0xee/0x170 [ 9504.984728][ T10] __sys_sendmsg+0xcd/0x170 [ 9504.984728][ T10] do_syscall_64+0xc6/0x1e0 [ 9504.984728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9504.984728][ T10] [ 9504.986316][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9504.986316][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9504.986316][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9504.986316][ T10] ipv6_find_idev+0x102/0x170 [ 9504.986316][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9504.986316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9504.986316][ T10] netlink_rcv_skb+0x130/0x360 [ 9504.986316][ T10] netlink_unicast+0x449/0x710 [ 9504.986316][ T10] netlink_sendmsg+0x723/0xbe0 [ 9504.986316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9504.986316][ T10] ___sys_sendmsg+0xee/0x170 [ 9504.986316][ T10] __sys_sendmsg+0xcd/0x170 [ 9504.986316][ T10] do_syscall_64+0xc6/0x1e0 [ 9504.986316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9504.986316][ T10] [ 9504.988116][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9504.988352][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9504.988352][ T10] netdev_get_by_index+0x5e/0x80 [ 9504.988352][ T10] fib6_nh_init+0x3d8/0x1580 [ 9504.988352][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9504.988352][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9504.988352][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9504.988352][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9504.988352][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9504.988352][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9504.988352][ T10] addrconf_dad_begin+0x310/0x670 [ 9504.988352][ T10] addrconf_dad_work+0x10b/0xab0 [ 9504.988352][ T10] process_one_work+0x84d/0x18a0 [ 9504.988352][ T10] worker_thread+0x587/0xd30 [ 9504.988352][ T10] kthread+0x28a/0x350 [ 9504.988352][ T10] ret_from_fork+0x31/0x70 [ 9504.988352][ T10] ret_from_fork_asm+0x1a/0x30 [ 9504.988352][ T10] [ 9504.990369][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9504.990369][ T10] netdev_get_by_index+0x5e/0x80 [ 9504.990369][ T10] fib6_nh_init+0x3d8/0x1580 [ 9504.990369][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9504.990369][ T10] ip6_route_add+0x1c/0x140 [ 9504.990369][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9504.990369][ T10] inet6_addr_add+0x4f8/0xa40 [ 9504.990369][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9504.990369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9504.990369][ T10] netlink_rcv_skb+0x130/0x360 [ 9504.990369][ T10] netlink_unicast+0x449/0x710 [ 9504.990369][ T10] netlink_sendmsg+0x723/0xbe0 [ 9504.990369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9504.990369][ T10] ___sys_sendmsg+0xee/0x170 [ 9504.990369][ T10] __sys_sendmsg+0xcd/0x170 [ 9504.990369][ T10] do_syscall_64+0xc6/0x1e0 [ 9504.990369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9504.990369][ T10] [ 9504.992476][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9504.992476][ T10] netdev_get_by_index+0x5e/0x80 [ 9504.992476][ T10] fib6_nh_init+0x3d8/0x1580 [ 9504.992476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9504.992476][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9504.992476][ T10] ipv6_add_addr+0x411/0x2000 [ 9504.992476][ T10] inet6_addr_add+0x30e/0xa40 [ 9504.992476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9504.992476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9504.992476][ T10] netlink_rcv_skb+0x130/0x360 [ 9504.992476][ T10] netlink_unicast+0x449/0x710 [ 9504.992476][ T10] netlink_sendmsg+0x723/0xbe0 [ 9504.992476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9504.992476][ T10] ___sys_sendmsg+0xee/0x170 [ 9504.992476][ T10] __sys_sendmsg+0xcd/0x170 [ 9504.992476][ T10] do_syscall_64+0xc6/0x1e0 [ 9504.992476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9504.992476][ T10] [ 9504.994585][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9504.994585][ T10] netdev_get_by_index+0x5e/0x80 [ 9504.994585][ T10] fib6_nh_init+0x3d8/0x1580 [ 9504.994585][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9504.994585][ T10] ip6_route_add+0x1c/0x140 [ 9504.994585][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9504.994585][ T10] addrconf_add_dev+0xe2/0x170 [ 9504.994585][ T10] inet6_addr_add+0x12f/0xa40 [ 9504.994585][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9504.994585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9504.994585][ T10] netlink_rcv_skb+0x130/0x360 [ 9504.994585][ T10] netlink_unicast+0x449/0x710 [ 9504.994585][ T10] netlink_sendmsg+0x723/0xbe0 [ 9504.994585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9504.994585][ T10] ___sys_sendmsg+0xee/0x170 [ 9504.994585][ T10] __sys_sendmsg+0xcd/0x170 [ 9504.994585][ T10] do_syscall_64+0xc6/0x1e0 [ 9504.994585][ T10] [ 9504.996673][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9504.996673][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9504.996673][ T10] ipv6_find_idev+0x102/0x170 [ 9504.996673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9504.996673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9504.996673][ T10] netlink_rcv_skb+0x130/0x360 [ 9504.996673][ T10] netlink_unicast+0x449/0x710 [ 9504.996673][ T10] netlink_sendmsg+0x723/0xbe0 [ 9504.996673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9504.996673][ T10] ___sys_sendmsg+0xee/0x170 [ 9504.996673][ T10] __sys_sendmsg+0xcd/0x170 [ 9504.996673][ T10] do_syscall_64+0xc6/0x1e0 [ 9504.996673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9504.996673][ T10] [ 9504.998256][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9504.998256][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9504.998256][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9504.998256][ T10] ipv6_find_idev+0x102/0x170 [ 9504.998256][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9504.998256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9504.998256][ T10] netlink_rcv_skb+0x130/0x360 [ 9504.998256][ T10] netlink_unicast+0x449/0x710 [ 9504.998256][ T10] netlink_sendmsg+0x723/0xbe0 [ 9504.998256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9504.998256][ T10] ___sys_sendmsg+0xee/0x170 [ 9504.998256][ T10] __sys_sendmsg+0xcd/0x170 [ 9504.998256][ T10] do_syscall_64+0xc6/0x1e0 [ 9504.998256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9504.998256][ T10] [ 9509.617112][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9509.617599][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9509.617599][ T1167] dst_init+0x84/0x4a0 [ 9509.617599][ T1167] dst_alloc+0x97/0x150 [ 9509.617599][ T1167] ip6_dst_alloc+0x23/0x90 [ 9509.617599][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9509.617599][ T1167] ip6_pol_route+0x56f/0x840 [ 9509.617599][ T1167] fib6_rule_lookup+0x334/0x630 [ 9509.617599][ T1167] ip6_route_output_flags+0x259/0x480 [ 9509.617599][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9509.617599][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9509.617599][ T1167] netlink_rcv_skb+0x130/0x360 [ 9509.617599][ T1167] netlink_unicast+0x449/0x710 [ 9509.617599][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9509.617599][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9509.617599][ T1167] ___sys_sendmsg+0xee/0x170 [ 9509.617599][ T1167] __sys_sendmsg+0xcd/0x170 [ 9509.617599][ T1167] do_syscall_64+0xc6/0x1e0 [ 9509.617599][ T1167] [ 9509.619812][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9509.619812][ T1167] netdev_get_by_index+0x5e/0x80 [ 9509.619812][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9509.619812][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9509.619812][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9509.619812][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9509.619812][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9509.619812][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9509.619812][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9509.619812][ T1167] addrconf_dad_begin+0x310/0x670 [ 9509.619812][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9509.619812][ T1167] process_one_work+0x84d/0x18a0 [ 9509.619812][ T1167] worker_thread+0x587/0xd30 [ 9509.619812][ T1167] kthread+0x28a/0x350 [ 9509.619812][ T1167] ret_from_fork+0x31/0x70 [ 9509.619812][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9509.619812][ T1167] [ 9509.621974][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9509.621974][ T1167] netdev_get_by_index+0x5e/0x80 [ 9509.621974][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9509.621974][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9509.621974][ T1167] ip6_route_add+0x1c/0x140 [ 9509.621974][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9509.621974][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9509.621974][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9509.621974][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9509.621974][ T1167] netlink_rcv_skb+0x130/0x360 [ 9509.621974][ T1167] netlink_unicast+0x449/0x710 [ 9509.621974][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9509.621974][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9509.621974][ T1167] ___sys_sendmsg+0xee/0x170 [ 9509.621974][ T1167] __sys_sendmsg+0xcd/0x170 [ 9509.621974][ T1167] do_syscall_64+0xc6/0x1e0 [ 9509.621974][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9509.621974][ T1167] [ 9509.624244][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9509.624244][ T1167] netdev_get_by_index+0x5e/0x80 [ 9509.624244][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9509.624244][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9509.624244][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9509.624244][ T1167] ipv6_add_addr+0x411/0x2000 [ 9509.624244][ T1167] inet6_addr_add+0x30e/0xa40 [ 9509.624244][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9509.624244][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9509.624244][ T1167] netlink_rcv_skb+0x130/0x360 [ 9509.624244][ T1167] netlink_unicast+0x449/0x710 [ 9509.624244][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9509.624244][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9509.624244][ T1167] ___sys_sendmsg+0xee/0x170 [ 9509.624244][ T1167] __sys_sendmsg+0xcd/0x170 [ 9509.624244][ T1167] do_syscall_64+0xc6/0x1e0 [ 9509.624244][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9509.624244][ T1167] [ 9509.626496][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9509.626496][ T1167] netdev_get_by_index+0x5e/0x80 [ 9509.626496][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9509.626496][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9509.626496][ T1167] ip6_route_add+0x1c/0x140 [ 9509.626496][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9509.626496][ T1167] addrconf_add_dev+0xe2/0x170 [ 9509.626496][ T1167] inet6_addr_add+0x12f/0xa40 [ 9509.626496][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9509.626496][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9509.626496][ T1167] netlink_rcv_skb+0x130/0x360 [ 9509.626496][ T1167] netlink_unicast+0x449/0x710 [ 9509.626496][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9509.626496][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9509.626496][ T1167] ___sys_sendmsg+0xee/0x170 [ 9509.626496][ T1167] __sys_sendmsg+0xcd/0x170 [ 9509.626496][ T1167] do_syscall_64+0xc6/0x1e0 [ 9509.626496][ T1167] [ 9509.628706][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9509.628706][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9509.628706][ T1167] ipv6_find_idev+0x102/0x170 [ 9509.628706][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9509.628706][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9509.628706][ T1167] netlink_rcv_skb+0x130/0x360 [ 9509.628706][ T1167] netlink_unicast+0x449/0x710 [ 9509.628706][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9509.628706][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9509.628706][ T1167] ___sys_sendmsg+0xee/0x170 [ 9509.628706][ T1167] __sys_sendmsg+0xcd/0x170 [ 9509.628706][ T1167] do_syscall_64+0xc6/0x1e0 [ 9509.628706][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9509.628706][ T1167] [ 9509.630442][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9509.630442][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9509.630442][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9509.630442][ T1167] ipv6_find_idev+0x102/0x170 [ 9509.630442][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9509.630442][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9509.630442][ T1167] netlink_rcv_skb+0x130/0x360 [ 9509.630442][ T1167] netlink_unicast+0x449/0x710 [ 9509.630442][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9509.630442][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9509.630442][ T1167] ___sys_sendmsg+0xee/0x170 [ 9509.630442][ T1167] __sys_sendmsg+0xcd/0x170 [ 9509.630442][ T1167] do_syscall_64+0xc6/0x1e0 [ 9509.630442][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9509.630442][ T1167] [ 9515.346106][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9515.346530][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9515.346530][ T10] netdev_get_by_index+0x5e/0x80 [ 9515.346530][ T10] fib6_nh_init+0x3d8/0x1580 [ 9515.346530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9515.346530][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9515.346530][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9515.346530][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9515.346530][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9515.346530][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9515.346530][ T10] addrconf_dad_begin+0x310/0x670 [ 9515.346530][ T10] addrconf_dad_work+0x10b/0xab0 [ 9515.346530][ T10] process_one_work+0x84d/0x18a0 [ 9515.346530][ T10] worker_thread+0x587/0xd30 [ 9515.346530][ T10] kthread+0x28a/0x350 [ 9515.346530][ T10] ret_from_fork+0x31/0x70 [ 9515.346530][ T10] ret_from_fork_asm+0x1a/0x30 [ 9515.346530][ T10] [ 9515.348472][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9515.348472][ T10] netdev_get_by_index+0x5e/0x80 [ 9515.348472][ T10] fib6_nh_init+0x3d8/0x1580 [ 9515.348472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9515.348472][ T10] ip6_route_add+0x1c/0x140 [ 9515.348472][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9515.348472][ T10] inet6_addr_add+0x4f8/0xa40 [ 9515.348472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9515.348472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9515.348472][ T10] netlink_rcv_skb+0x130/0x360 [ 9515.348472][ T10] netlink_unicast+0x449/0x710 [ 9515.348472][ T10] netlink_sendmsg+0x723/0xbe0 [ 9515.348472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9515.348472][ T10] ___sys_sendmsg+0xee/0x170 [ 9515.348472][ T10] __sys_sendmsg+0xcd/0x170 [ 9515.348472][ T10] do_syscall_64+0xc6/0x1e0 [ 9515.348472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9515.348472][ T10] [ 9515.350483][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9515.350483][ T10] netdev_get_by_index+0x5e/0x80 [ 9515.350483][ T10] fib6_nh_init+0x3d8/0x1580 [ 9515.350483][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9515.350483][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9515.350483][ T10] ipv6_add_addr+0x411/0x2000 [ 9515.350483][ T10] inet6_addr_add+0x30e/0xa40 [ 9515.350483][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9515.350483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9515.350483][ T10] netlink_rcv_skb+0x130/0x360 [ 9515.350483][ T10] netlink_unicast+0x449/0x710 [ 9515.350483][ T10] netlink_sendmsg+0x723/0xbe0 [ 9515.350483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9515.350483][ T10] ___sys_sendmsg+0xee/0x170 [ 9515.350483][ T10] __sys_sendmsg+0xcd/0x170 [ 9515.350483][ T10] do_syscall_64+0xc6/0x1e0 [ 9515.350483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9515.350483][ T10] [ 9515.352483][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9515.352483][ T10] netdev_get_by_index+0x5e/0x80 [ 9515.352483][ T10] fib6_nh_init+0x3d8/0x1580 [ 9515.352483][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9515.352483][ T10] ip6_route_add+0x1c/0x140 [ 9515.352483][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9515.352483][ T10] addrconf_add_dev+0xe2/0x170 [ 9515.352483][ T10] inet6_addr_add+0x12f/0xa40 [ 9515.352483][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9515.352483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9515.352483][ T10] netlink_rcv_skb+0x130/0x360 [ 9515.352483][ T10] netlink_unicast+0x449/0x710 [ 9515.352483][ T10] netlink_sendmsg+0x723/0xbe0 [ 9515.352483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9515.352483][ T10] ___sys_sendmsg+0xee/0x170 [ 9515.352483][ T10] __sys_sendmsg+0xcd/0x170 [ 9515.352483][ T10] do_syscall_64+0xc6/0x1e0 [ 9515.352483][ T10] [ 9515.354476][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9515.354476][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9515.354476][ T10] ipv6_find_idev+0x102/0x170 [ 9515.354476][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9515.354476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9515.354476][ T10] netlink_rcv_skb+0x130/0x360 [ 9515.354476][ T10] netlink_unicast+0x449/0x710 [ 9515.354476][ T10] netlink_sendmsg+0x723/0xbe0 [ 9515.354476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9515.354476][ T10] ___sys_sendmsg+0xee/0x170 [ 9515.354476][ T10] __sys_sendmsg+0xcd/0x170 [ 9515.354476][ T10] do_syscall_64+0xc6/0x1e0 [ 9515.354476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9515.354476][ T10] [ 9515.356019][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9515.356019][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9515.356019][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9515.356019][ T10] ipv6_find_idev+0x102/0x170 [ 9515.356019][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9515.356019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9515.356019][ T10] netlink_rcv_skb+0x130/0x360 [ 9515.356019][ T10] netlink_unicast+0x449/0x710 [ 9515.356019][ T10] netlink_sendmsg+0x723/0xbe0 [ 9515.356019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9515.356019][ T10] ___sys_sendmsg+0xee/0x170 [ 9515.356019][ T10] __sys_sendmsg+0xcd/0x170 [ 9515.356019][ T10] do_syscall_64+0xc6/0x1e0 [ 9515.356019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9515.356019][ T10] [ 9515.357720][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9515.357964][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9515.357964][ T10] netdev_get_by_index+0x5e/0x80 [ 9515.357964][ T10] fib6_nh_init+0x3d8/0x1580 [ 9515.357964][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9515.357964][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9515.357964][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9515.357964][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9515.357964][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9515.357964][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9515.357964][ T10] addrconf_dad_begin+0x310/0x670 [ 9515.357964][ T10] addrconf_dad_work+0x10b/0xab0 [ 9515.357964][ T10] process_one_work+0x84d/0x18a0 [ 9515.357964][ T10] worker_thread+0x587/0xd30 [ 9515.357964][ T10] kthread+0x28a/0x350 [ 9515.357964][ T10] ret_from_fork+0x31/0x70 [ 9515.357964][ T10] ret_from_fork_asm+0x1a/0x30 [ 9515.357964][ T10] [ 9515.359879][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9515.359879][ T10] netdev_get_by_index+0x5e/0x80 [ 9515.359879][ T10] fib6_nh_init+0x3d8/0x1580 [ 9515.359879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9515.359879][ T10] ip6_route_add+0x1c/0x140 [ 9515.359879][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9515.359879][ T10] inet6_addr_add+0x4f8/0xa40 [ 9515.359879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9515.359879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9515.359879][ T10] netlink_rcv_skb+0x130/0x360 [ 9515.359879][ T10] netlink_unicast+0x449/0x710 [ 9515.359879][ T10] netlink_sendmsg+0x723/0xbe0 [ 9515.359879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9515.359879][ T10] ___sys_sendmsg+0xee/0x170 [ 9515.359879][ T10] __sys_sendmsg+0xcd/0x170 [ 9515.359879][ T10] do_syscall_64+0xc6/0x1e0 [ 9515.359879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9515.359879][ T10] [ 9515.361881][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9515.361881][ T10] netdev_get_by_index+0x5e/0x80 [ 9515.361881][ T10] fib6_nh_init+0x3d8/0x1580 [ 9515.361881][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9515.361881][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9515.361881][ T10] ipv6_add_addr+0x411/0x2000 [ 9515.361881][ T10] inet6_addr_add+0x30e/0xa40 [ 9515.361881][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9515.361881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9515.361881][ T10] netlink_rcv_skb+0x130/0x360 [ 9515.361881][ T10] netlink_unicast+0x449/0x710 [ 9515.361881][ T10] netlink_sendmsg+0x723/0xbe0 [ 9515.361881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9515.361881][ T10] ___sys_sendmsg+0xee/0x170 [ 9515.361881][ T10] __sys_sendmsg+0xcd/0x170 [ 9515.361881][ T10] do_syscall_64+0xc6/0x1e0 [ 9515.361881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9515.361881][ T10] [ 9515.363883][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9515.363883][ T10] netdev_get_by_index+0x5e/0x80 [ 9515.363883][ T10] fib6_nh_init+0x3d8/0x1580 [ 9515.363883][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9515.363883][ T10] ip6_route_add+0x1c/0x140 [ 9515.363883][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9515.363883][ T10] addrconf_add_dev+0xe2/0x170 [ 9515.363883][ T10] inet6_addr_add+0x12f/0xa40 [ 9515.363883][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9515.363883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9515.363883][ T10] netlink_rcv_skb+0x130/0x360 [ 9515.363883][ T10] netlink_unicast+0x449/0x710 [ 9515.363883][ T10] netlink_sendmsg+0x723/0xbe0 [ 9515.363883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9515.363883][ T10] ___sys_sendmsg+0xee/0x170 [ 9515.363883][ T10] __sys_sendmsg+0xcd/0x170 [ 9515.363883][ T10] do_syscall_64+0xc6/0x1e0 [ 9515.363883][ T10] [ 9515.365859][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9515.365859][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9515.365859][ T10] ipv6_find_idev+0x102/0x170 [ 9515.365859][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9515.365859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9515.365859][ T10] netlink_rcv_skb+0x130/0x360 [ 9515.365859][ T10] netlink_unicast+0x449/0x710 [ 9515.365859][ T10] netlink_sendmsg+0x723/0xbe0 [ 9515.365859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9515.365859][ T10] ___sys_sendmsg+0xee/0x170 [ 9515.365859][ T10] __sys_sendmsg+0xcd/0x170 [ 9515.365859][ T10] do_syscall_64+0xc6/0x1e0 [ 9515.365859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9515.365859][ T10] [ 9515.367399][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9515.367399][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9515.367399][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9515.367399][ T10] ipv6_find_idev+0x102/0x170 [ 9515.367399][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9515.367399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9515.367399][ T10] netlink_rcv_skb+0x130/0x360 [ 9515.367399][ T10] netlink_unicast+0x449/0x710 [ 9515.367399][ T10] netlink_sendmsg+0x723/0xbe0 [ 9515.367399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9515.367399][ T10] ___sys_sendmsg+0xee/0x170 [ 9515.367399][ T10] __sys_sendmsg+0xcd/0x170 [ 9515.367399][ T10] do_syscall_64+0xc6/0x1e0 [ 9515.367399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9515.367399][ T10] [ 9515.369095][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9515.369335][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9515.369335][ T10] netdev_get_by_index+0x5e/0x80 [ 9515.369335][ T10] fib6_nh_init+0x3d8/0x1580 [ 9515.369335][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9515.369335][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9515.369335][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9515.369335][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9515.369335][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9515.369335][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9515.369335][ T10] addrconf_dad_begin+0x310/0x670 [ 9515.369335][ T10] addrconf_dad_work+0x10b/0xab0 [ 9515.369335][ T10] process_one_work+0x84d/0x18a0 [ 9515.369335][ T10] worker_thread+0x587/0xd30 [ 9515.369335][ T10] kthread+0x28a/0x350 [ 9515.369335][ T10] ret_from_fork+0x31/0x70 [ 9515.369335][ T10] ret_from_fork_asm+0x1a/0x30 [ 9515.369335][ T10] [ 9515.371253][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9515.371253][ T10] netdev_get_by_index+0x5e/0x80 [ 9515.371253][ T10] fib6_nh_init+0x3d8/0x1580 [ 9515.371253][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9515.371253][ T10] ip6_route_add+0x1c/0x140 [ 9515.371253][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9515.371253][ T10] inet6_addr_add+0x4f8/0xa40 [ 9515.371253][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9515.371253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9515.371253][ T10] netlink_rcv_skb+0x130/0x360 [ 9515.371253][ T10] netlink_unicast+0x449/0x710 [ 9515.371253][ T10] netlink_sendmsg+0x723/0xbe0 [ 9515.371253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9515.371253][ T10] ___sys_sendmsg+0xee/0x170 [ 9515.371253][ T10] __sys_sendmsg+0xcd/0x170 [ 9515.371253][ T10] do_syscall_64+0xc6/0x1e0 [ 9515.371253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9515.371253][ T10] [ 9515.373438][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9515.373438][ T10] netdev_get_by_index+0x5e/0x80 [ 9515.373438][ T10] fib6_nh_init+0x3d8/0x1580 [ 9515.373438][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9515.373438][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9515.373438][ T10] ipv6_add_addr+0x411/0x2000 [ 9515.373438][ T10] inet6_addr_add+0x30e/0xa40 [ 9515.373438][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9515.373438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9515.373438][ T10] netlink_rcv_skb+0x130/0x360 [ 9515.373438][ T10] netlink_unicast+0x449/0x710 [ 9515.373438][ T10] netlink_sendmsg+0x723/0xbe0 [ 9515.373438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9515.373438][ T10] ___sys_sendmsg+0xee/0x170 [ 9515.373438][ T10] __sys_sendmsg+0xcd/0x170 [ 9515.373438][ T10] do_syscall_64+0xc6/0x1e0 [ 9515.373438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9515.373438][ T10] [ 9515.375689][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9515.375689][ T10] netdev_get_by_index+0x5e/0x80 [ 9515.375689][ T10] fib6_nh_init+0x3d8/0x1580 [ 9515.375689][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9515.375689][ T10] ip6_route_add+0x1c/0x140 [ 9515.375689][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9515.375689][ T10] addrconf_add_dev+0xe2/0x170 [ 9515.375689][ T10] inet6_addr_add+0x12f/0xa40 [ 9515.375689][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9515.375689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9515.375689][ T10] netlink_rcv_skb+0x130/0x360 [ 9515.375689][ T10] netlink_unicast+0x449/0x710 [ 9515.375689][ T10] netlink_sendmsg+0x723/0xbe0 [ 9515.375689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9515.375689][ T10] ___sys_sendmsg+0xee/0x170 [ 9515.375689][ T10] __sys_sendmsg+0xcd/0x170 [ 9515.375689][ T10] do_syscall_64+0xc6/0x1e0 [ 9515.375689][ T10] [ 9515.377832][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9515.377832][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9515.377832][ T10] ipv6_find_idev+0x102/0x170 [ 9515.377832][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9515.377832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9515.377832][ T10] netlink_rcv_skb+0x130/0x360 [ 9515.377832][ T10] netlink_unicast+0x449/0x710 [ 9515.377832][ T10] netlink_sendmsg+0x723/0xbe0 [ 9515.377832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9515.377832][ T10] ___sys_sendmsg+0xee/0x170 [ 9515.377832][ T10] __sys_sendmsg+0xcd/0x170 [ 9515.377832][ T10] do_syscall_64+0xc6/0x1e0 [ 9515.377832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9515.377832][ T10] [ 9515.379554][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9515.379554][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9515.379554][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9515.379554][ T10] ipv6_find_idev+0x102/0x170 [ 9515.379554][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9515.379554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9515.379554][ T10] netlink_rcv_skb+0x130/0x360 [ 9515.379554][ T10] netlink_unicast+0x449/0x710 [ 9515.379554][ T10] netlink_sendmsg+0x723/0xbe0 [ 9515.379554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9515.379554][ T10] ___sys_sendmsg+0xee/0x170 [ 9515.379554][ T10] __sys_sendmsg+0xcd/0x170 [ 9515.379554][ T10] do_syscall_64+0xc6/0x1e0 [ 9515.379554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9515.379554][ T10] [ 9515.381541][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9515.381793][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9515.381793][ T10] netdev_get_by_index+0x5e/0x80 [ 9515.381793][ T10] fib6_nh_init+0x3d8/0x1580 [ 9515.381793][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9515.381793][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9515.381793][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9515.381793][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9515.381793][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9515.381793][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9515.381793][ T10] addrconf_dad_begin+0x310/0x670 [ 9515.381793][ T10] addrconf_dad_work+0x10b/0xab0 [ 9515.381793][ T10] process_one_work+0x84d/0x18a0 [ 9515.381793][ T10] worker_thread+0x587/0xd30 [ 9515.381793][ T10] kthread+0x28a/0x350 [ 9515.381793][ T10] ret_from_fork+0x31/0x70 [ 9515.381793][ T10] ret_from_fork_asm+0x1a/0x30 [ 9515.381793][ T10] [ 9515.383963][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9515.383963][ T10] netdev_get_by_index+0x5e/0x80 [ 9515.383963][ T10] fib6_nh_init+0x3d8/0x1580 [ 9515.383963][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9515.383963][ T10] ip6_route_add+0x1c/0x140 [ 9515.383963][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9515.383963][ T10] inet6_addr_add+0x4f8/0xa40 [ 9515.383963][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9515.383963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9515.383963][ T10] netlink_rcv_skb+0x130/0x360 [ 9515.383963][ T10] netlink_unicast+0x449/0x710 [ 9515.383963][ T10] netlink_sendmsg+0x723/0xbe0 [ 9515.383963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9515.383963][ T10] ___sys_sendmsg+0xee/0x170 [ 9515.383963][ T10] __sys_sendmsg+0xcd/0x170 [ 9515.383963][ T10] do_syscall_64+0xc6/0x1e0 [ 9515.383963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9515.383963][ T10] [ 9515.386150][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9515.386150][ T10] netdev_get_by_index+0x5e/0x80 [ 9515.386150][ T10] fib6_nh_init+0x3d8/0x1580 [ 9515.386150][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9515.386150][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9515.386150][ T10] ipv6_add_addr+0x411/0x2000 [ 9515.386150][ T10] inet6_addr_add+0x30e/0xa40 [ 9515.386150][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9515.386150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9515.386150][ T10] netlink_rcv_skb+0x130/0x360 [ 9515.386150][ T10] netlink_unicast+0x449/0x710 [ 9515.386150][ T10] netlink_sendmsg+0x723/0xbe0 [ 9515.386150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9515.386150][ T10] ___sys_sendmsg+0xee/0x170 [ 9515.386150][ T10] __sys_sendmsg+0xcd/0x170 [ 9515.386150][ T10] do_syscall_64+0xc6/0x1e0 [ 9515.386150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9515.386150][ T10] [ 9515.388395][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9515.388395][ T10] netdev_get_by_index+0x5e/0x80 [ 9515.388395][ T10] fib6_nh_init+0x3d8/0x1580 [ 9515.388395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9515.388395][ T10] ip6_route_add+0x1c/0x140 [ 9515.388395][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9515.388395][ T10] addrconf_add_dev+0xe2/0x170 [ 9515.388395][ T10] inet6_addr_add+0x12f/0xa40 [ 9515.388395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9515.388395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9515.388395][ T10] netlink_rcv_skb+0x130/0x360 [ 9515.388395][ T10] netlink_unicast+0x449/0x710 [ 9515.388395][ T10] netlink_sendmsg+0x723/0xbe0 [ 9515.388395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9515.388395][ T10] ___sys_sendmsg+0xee/0x170 [ 9515.388395][ T10] __sys_sendmsg+0xcd/0x170 [ 9515.388395][ T10] do_syscall_64+0xc6/0x1e0 [ 9515.388395][ T10] [ 9515.390660][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9515.390660][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9515.390660][ T10] ipv6_find_idev+0x102/0x170 [ 9515.390660][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9515.390660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9515.390660][ T10] netlink_rcv_skb+0x130/0x360 [ 9515.390660][ T10] netlink_unicast+0x449/0x710 [ 9515.390660][ T10] netlink_sendmsg+0x723/0xbe0 [ 9515.390660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9515.390660][ T10] ___sys_sendmsg+0xee/0x170 [ 9515.390660][ T10] __sys_sendmsg+0xcd/0x170 [ 9515.390660][ T10] do_syscall_64+0xc6/0x1e0 [ 9515.390660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9515.390660][ T10] [ 9515.392381][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9515.392381][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9515.392381][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9515.392381][ T10] ipv6_find_idev+0x102/0x170 [ 9515.392381][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9515.392381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9515.392381][ T10] netlink_rcv_skb+0x130/0x360 [ 9515.392381][ T10] netlink_unicast+0x449/0x710 [ 9515.392381][ T10] netlink_sendmsg+0x723/0xbe0 [ 9515.392381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9515.392381][ T10] ___sys_sendmsg+0xee/0x170 [ 9515.392381][ T10] __sys_sendmsg+0xcd/0x170 [ 9515.392381][ T10] do_syscall_64+0xc6/0x1e0 [ 9515.392381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9515.392381][ T10] [ 9519.817043][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9519.817536][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9519.817536][ T1167] dst_init+0x84/0x4a0 [ 9519.817536][ T1167] dst_alloc+0x97/0x150 [ 9519.817536][ T1167] ip6_dst_alloc+0x23/0x90 [ 9519.817536][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9519.817536][ T1167] ip6_pol_route+0x56f/0x840 [ 9519.817536][ T1167] fib6_rule_lookup+0x334/0x630 [ 9519.817536][ T1167] ip6_route_output_flags+0x259/0x480 [ 9519.817536][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9519.817536][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9519.817536][ T1167] netlink_rcv_skb+0x130/0x360 [ 9519.817536][ T1167] netlink_unicast+0x449/0x710 [ 9519.817536][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9519.817536][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9519.817536][ T1167] ___sys_sendmsg+0xee/0x170 [ 9519.817536][ T1167] __sys_sendmsg+0xcd/0x170 [ 9519.817536][ T1167] do_syscall_64+0xc6/0x1e0 [ 9519.817536][ T1167] [ 9519.819746][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9519.819746][ T1167] netdev_get_by_index+0x5e/0x80 [ 9519.819746][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9519.819746][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9519.819746][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9519.819746][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9519.819746][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9519.819746][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9519.819746][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9519.819746][ T1167] addrconf_dad_begin+0x310/0x670 [ 9519.819746][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9519.819746][ T1167] process_one_work+0x84d/0x18a0 [ 9519.819746][ T1167] worker_thread+0x587/0xd30 [ 9519.819746][ T1167] kthread+0x28a/0x350 [ 9519.819746][ T1167] ret_from_fork+0x31/0x70 [ 9519.819746][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9519.819746][ T1167] [ 9519.821899][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9519.821899][ T1167] netdev_get_by_index+0x5e/0x80 [ 9519.821899][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9519.821899][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9519.821899][ T1167] ip6_route_add+0x1c/0x140 [ 9519.821899][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9519.821899][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9519.821899][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9519.821899][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9519.821899][ T1167] netlink_rcv_skb+0x130/0x360 [ 9519.821899][ T1167] netlink_unicast+0x449/0x710 [ 9519.821899][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9519.821899][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9519.821899][ T1167] ___sys_sendmsg+0xee/0x170 [ 9519.821899][ T1167] __sys_sendmsg+0xcd/0x170 [ 9519.821899][ T1167] do_syscall_64+0xc6/0x1e0 [ 9519.821899][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9519.821899][ T1167] [ 9519.824177][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9519.824177][ T1167] netdev_get_by_index+0x5e/0x80 [ 9519.824177][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9519.824177][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9519.824177][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9519.824177][ T1167] ipv6_add_addr+0x411/0x2000 [ 9519.824177][ T1167] inet6_addr_add+0x30e/0xa40 [ 9519.824177][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9519.824177][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9519.824177][ T1167] netlink_rcv_skb+0x130/0x360 [ 9519.824177][ T1167] netlink_unicast+0x449/0x710 [ 9519.824177][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9519.824177][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9519.824177][ T1167] ___sys_sendmsg+0xee/0x170 [ 9519.824177][ T1167] __sys_sendmsg+0xcd/0x170 [ 9519.824177][ T1167] do_syscall_64+0xc6/0x1e0 [ 9519.824177][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9519.824177][ T1167] [ 9519.826431][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9519.826431][ T1167] netdev_get_by_index+0x5e/0x80 [ 9519.826431][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9519.826431][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9519.826431][ T1167] ip6_route_add+0x1c/0x140 [ 9519.826431][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9519.826431][ T1167] addrconf_add_dev+0xe2/0x170 [ 9519.826431][ T1167] inet6_addr_add+0x12f/0xa40 [ 9519.826431][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9519.826431][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9519.826431][ T1167] netlink_rcv_skb+0x130/0x360 [ 9519.826431][ T1167] netlink_unicast+0x449/0x710 [ 9519.826431][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9519.826431][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9519.826431][ T1167] ___sys_sendmsg+0xee/0x170 [ 9519.826431][ T1167] __sys_sendmsg+0xcd/0x170 [ 9519.826431][ T1167] do_syscall_64+0xc6/0x1e0 [ 9519.826431][ T1167] [ 9519.828645][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9519.828645][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9519.828645][ T1167] ipv6_find_idev+0x102/0x170 [ 9519.828645][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9519.828645][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9519.828645][ T1167] netlink_rcv_skb+0x130/0x360 [ 9519.828645][ T1167] netlink_unicast+0x449/0x710 [ 9519.828645][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9519.828645][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9519.828645][ T1167] ___sys_sendmsg+0xee/0x170 [ 9519.828645][ T1167] __sys_sendmsg+0xcd/0x170 [ 9519.828645][ T1167] do_syscall_64+0xc6/0x1e0 [ 9519.828645][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9519.828645][ T1167] [ 9519.830380][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9519.830380][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9519.830380][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9519.830380][ T1167] ipv6_find_idev+0x102/0x170 [ 9519.830380][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9519.830380][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9519.830380][ T1167] netlink_rcv_skb+0x130/0x360 [ 9519.830380][ T1167] netlink_unicast+0x449/0x710 [ 9519.830380][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9519.830380][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9519.830380][ T1167] ___sys_sendmsg+0xee/0x170 [ 9519.830380][ T1167] __sys_sendmsg+0xcd/0x170 [ 9519.830380][ T1167] do_syscall_64+0xc6/0x1e0 [ 9519.830380][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9519.830380][ T1167] [ 9525.633120][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9525.633575][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9525.633575][ T10] netdev_get_by_index+0x5e/0x80 [ 9525.633575][ T10] fib6_nh_init+0x3d8/0x1580 [ 9525.633575][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9525.633575][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9525.633575][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9525.633575][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9525.633575][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9525.633575][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9525.633575][ T10] addrconf_dad_begin+0x310/0x670 [ 9525.633575][ T10] addrconf_dad_work+0x10b/0xab0 [ 9525.633575][ T10] process_one_work+0x84d/0x18a0 [ 9525.633575][ T10] worker_thread+0x587/0xd30 [ 9525.633575][ T10] kthread+0x28a/0x350 [ 9525.633575][ T10] ret_from_fork+0x31/0x70 [ 9525.633575][ T10] ret_from_fork_asm+0x1a/0x30 [ 9525.633575][ T10] [ 9525.635533][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9525.635533][ T10] netdev_get_by_index+0x5e/0x80 [ 9525.635533][ T10] fib6_nh_init+0x3d8/0x1580 [ 9525.635533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9525.635533][ T10] ip6_route_add+0x1c/0x140 [ 9525.635533][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9525.635533][ T10] inet6_addr_add+0x4f8/0xa40 [ 9525.635533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9525.635533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9525.635533][ T10] netlink_rcv_skb+0x130/0x360 [ 9525.635533][ T10] netlink_unicast+0x449/0x710 [ 9525.635533][ T10] netlink_sendmsg+0x723/0xbe0 [ 9525.635533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9525.635533][ T10] ___sys_sendmsg+0xee/0x170 [ 9525.635533][ T10] __sys_sendmsg+0xcd/0x170 [ 9525.635533][ T10] do_syscall_64+0xc6/0x1e0 [ 9525.635533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9525.635533][ T10] [ 9525.637560][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9525.637560][ T10] netdev_get_by_index+0x5e/0x80 [ 9525.637560][ T10] fib6_nh_init+0x3d8/0x1580 [ 9525.637560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9525.637560][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9525.637560][ T10] ipv6_add_addr+0x411/0x2000 [ 9525.637560][ T10] inet6_addr_add+0x30e/0xa40 [ 9525.637560][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9525.637560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9525.637560][ T10] netlink_rcv_skb+0x130/0x360 [ 9525.637560][ T10] netlink_unicast+0x449/0x710 [ 9525.637560][ T10] netlink_sendmsg+0x723/0xbe0 [ 9525.637560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9525.637560][ T10] ___sys_sendmsg+0xee/0x170 [ 9525.637560][ T10] __sys_sendmsg+0xcd/0x170 [ 9525.637560][ T10] do_syscall_64+0xc6/0x1e0 [ 9525.637560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9525.637560][ T10] [ 9525.639571][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9525.639571][ T10] netdev_get_by_index+0x5e/0x80 [ 9525.639571][ T10] fib6_nh_init+0x3d8/0x1580 [ 9525.639571][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9525.639571][ T10] ip6_route_add+0x1c/0x140 [ 9525.639571][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9525.639571][ T10] addrconf_add_dev+0xe2/0x170 [ 9525.639571][ T10] inet6_addr_add+0x12f/0xa40 [ 9525.639571][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9525.639571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9525.639571][ T10] netlink_rcv_skb+0x130/0x360 [ 9525.639571][ T10] netlink_unicast+0x449/0x710 [ 9525.639571][ T10] netlink_sendmsg+0x723/0xbe0 [ 9525.639571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9525.639571][ T10] ___sys_sendmsg+0xee/0x170 [ 9525.639571][ T10] __sys_sendmsg+0xcd/0x170 [ 9525.639571][ T10] do_syscall_64+0xc6/0x1e0 [ 9525.639571][ T10] [ 9525.641550][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9525.641550][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9525.641550][ T10] ipv6_find_idev+0x102/0x170 [ 9525.641550][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9525.641550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9525.641550][ T10] netlink_rcv_skb+0x130/0x360 [ 9525.641550][ T10] netlink_unicast+0x449/0x710 [ 9525.641550][ T10] netlink_sendmsg+0x723/0xbe0 [ 9525.641550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9525.641550][ T10] ___sys_sendmsg+0xee/0x170 [ 9525.641550][ T10] __sys_sendmsg+0xcd/0x170 [ 9525.641550][ T10] do_syscall_64+0xc6/0x1e0 [ 9525.641550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9525.641550][ T10] [ 9525.643102][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9525.643102][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9525.643102][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9525.643102][ T10] ipv6_find_idev+0x102/0x170 [ 9525.643102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9525.643102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9525.643102][ T10] netlink_rcv_skb+0x130/0x360 [ 9525.643102][ T10] netlink_unicast+0x449/0x710 [ 9525.643102][ T10] netlink_sendmsg+0x723/0xbe0 [ 9525.643102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9525.643102][ T10] ___sys_sendmsg+0xee/0x170 [ 9525.643102][ T10] __sys_sendmsg+0xcd/0x170 [ 9525.643102][ T10] do_syscall_64+0xc6/0x1e0 [ 9525.643102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9525.643102][ T10] [ 9525.644814][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9525.645074][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9525.645074][ T10] netdev_get_by_index+0x5e/0x80 [ 9525.645074][ T10] fib6_nh_init+0x3d8/0x1580 [ 9525.645074][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9525.645074][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9525.645074][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9525.645074][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9525.645074][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9525.645074][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9525.645074][ T10] addrconf_dad_begin+0x310/0x670 [ 9525.645074][ T10] addrconf_dad_work+0x10b/0xab0 [ 9525.645074][ T10] process_one_work+0x84d/0x18a0 [ 9525.645074][ T10] worker_thread+0x587/0xd30 [ 9525.645074][ T10] kthread+0x28a/0x350 [ 9525.645074][ T10] ret_from_fork+0x31/0x70 [ 9525.645074][ T10] ret_from_fork_asm+0x1a/0x30 [ 9525.645074][ T10] [ 9525.646991][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9525.646991][ T10] netdev_get_by_index+0x5e/0x80 [ 9525.646991][ T10] fib6_nh_init+0x3d8/0x1580 [ 9525.646991][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9525.646991][ T10] ip6_route_add+0x1c/0x140 [ 9525.646991][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9525.646991][ T10] inet6_addr_add+0x4f8/0xa40 [ 9525.646991][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9525.646991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9525.646991][ T10] netlink_rcv_skb+0x130/0x360 [ 9525.646991][ T10] netlink_unicast+0x449/0x710 [ 9525.646991][ T10] netlink_sendmsg+0x723/0xbe0 [ 9525.646991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9525.646991][ T10] ___sys_sendmsg+0xee/0x170 [ 9525.646991][ T10] __sys_sendmsg+0xcd/0x170 [ 9525.646991][ T10] do_syscall_64+0xc6/0x1e0 [ 9525.646991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9525.646991][ T10] [ 9525.649001][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9525.649001][ T10] netdev_get_by_index+0x5e/0x80 [ 9525.649001][ T10] fib6_nh_init+0x3d8/0x1580 [ 9525.649001][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9525.649001][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9525.649001][ T10] ipv6_add_addr+0x411/0x2000 [ 9525.649001][ T10] inet6_addr_add+0x30e/0xa40 [ 9525.649001][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9525.649001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9525.649001][ T10] netlink_rcv_skb+0x130/0x360 [ 9525.649001][ T10] netlink_unicast+0x449/0x710 [ 9525.649001][ T10] netlink_sendmsg+0x723/0xbe0 [ 9525.649001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9525.649001][ T10] ___sys_sendmsg+0xee/0x170 [ 9525.649001][ T10] __sys_sendmsg+0xcd/0x170 [ 9525.649001][ T10] do_syscall_64+0xc6/0x1e0 [ 9525.649001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9525.649001][ T10] [ 9525.651536][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9525.651536][ T10] netdev_get_by_index+0x5e/0x80 [ 9525.651536][ T10] fib6_nh_init+0x3d8/0x1580 [ 9525.651536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9525.651536][ T10] ip6_route_add+0x1c/0x140 [ 9525.651536][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9525.651536][ T10] addrconf_add_dev+0xe2/0x170 [ 9525.651536][ T10] inet6_addr_add+0x12f/0xa40 [ 9525.651536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9525.651536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9525.651536][ T10] netlink_rcv_skb+0x130/0x360 [ 9525.651536][ T10] netlink_unicast+0x449/0x710 [ 9525.651536][ T10] netlink_sendmsg+0x723/0xbe0 [ 9525.651536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9525.651536][ T10] ___sys_sendmsg+0xee/0x170 [ 9525.651536][ T10] __sys_sendmsg+0xcd/0x170 [ 9525.651536][ T10] do_syscall_64+0xc6/0x1e0 [ 9525.651536][ T10] [ 9525.653519][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9525.653519][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9525.653519][ T10] ipv6_find_idev+0x102/0x170 [ 9525.653519][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9525.653519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9525.653519][ T10] netlink_rcv_skb+0x130/0x360 [ 9525.653519][ T10] netlink_unicast+0x449/0x710 [ 9525.653519][ T10] netlink_sendmsg+0x723/0xbe0 [ 9525.653519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9525.653519][ T10] ___sys_sendmsg+0xee/0x170 [ 9525.653519][ T10] __sys_sendmsg+0xcd/0x170 [ 9525.653519][ T10] do_syscall_64+0xc6/0x1e0 [ 9525.653519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9525.653519][ T10] [ 9525.655065][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9525.655065][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9525.655065][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9525.655065][ T10] ipv6_find_idev+0x102/0x170 [ 9525.655065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9525.655065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9525.655065][ T10] netlink_rcv_skb+0x130/0x360 [ 9525.655065][ T10] netlink_unicast+0x449/0x710 [ 9525.655065][ T10] netlink_sendmsg+0x723/0xbe0 [ 9525.655065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9525.655065][ T10] ___sys_sendmsg+0xee/0x170 [ 9525.655065][ T10] __sys_sendmsg+0xcd/0x170 [ 9525.655065][ T10] do_syscall_64+0xc6/0x1e0 [ 9525.655065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9525.655065][ T10] [ 9525.656755][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9525.656995][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9525.656995][ T10] netdev_get_by_index+0x5e/0x80 [ 9525.656995][ T10] fib6_nh_init+0x3d8/0x1580 [ 9525.656995][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9525.656995][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9525.656995][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9525.656995][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9525.656995][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9525.656995][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9525.656995][ T10] addrconf_dad_begin+0x310/0x670 [ 9525.656995][ T10] addrconf_dad_work+0x10b/0xab0 [ 9525.656995][ T10] process_one_work+0x84d/0x18a0 [ 9525.656995][ T10] worker_thread+0x587/0xd30 [ 9525.656995][ T10] kthread+0x28a/0x350 [ 9525.656995][ T10] ret_from_fork+0x31/0x70 [ 9525.656995][ T10] ret_from_fork_asm+0x1a/0x30 [ 9525.656995][ T10] [ 9525.658913][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9525.658913][ T10] netdev_get_by_index+0x5e/0x80 [ 9525.658913][ T10] fib6_nh_init+0x3d8/0x1580 [ 9525.658913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9525.658913][ T10] ip6_route_add+0x1c/0x140 [ 9525.658913][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9525.658913][ T10] inet6_addr_add+0x4f8/0xa40 [ 9525.658913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9525.658913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9525.658913][ T10] netlink_rcv_skb+0x130/0x360 [ 9525.658913][ T10] netlink_unicast+0x449/0x710 [ 9525.658913][ T10] netlink_sendmsg+0x723/0xbe0 [ 9525.658913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9525.658913][ T10] ___sys_sendmsg+0xee/0x170 [ 9525.658913][ T10] __sys_sendmsg+0xcd/0x170 [ 9525.658913][ T10] do_syscall_64+0xc6/0x1e0 [ 9525.658913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9525.658913][ T10] [ 9525.661102][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9525.661102][ T10] netdev_get_by_index+0x5e/0x80 [ 9525.661102][ T10] fib6_nh_init+0x3d8/0x1580 [ 9525.661102][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9525.661102][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9525.661102][ T10] ipv6_add_addr+0x411/0x2000 [ 9525.661102][ T10] inet6_addr_add+0x30e/0xa40 [ 9525.661102][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9525.661102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9525.661102][ T10] netlink_rcv_skb+0x130/0x360 [ 9525.661102][ T10] netlink_unicast+0x449/0x710 [ 9525.661102][ T10] netlink_sendmsg+0x723/0xbe0 [ 9525.661102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9525.661102][ T10] ___sys_sendmsg+0xee/0x170 [ 9525.661102][ T10] __sys_sendmsg+0xcd/0x170 [ 9525.661102][ T10] do_syscall_64+0xc6/0x1e0 [ 9525.661102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9525.661102][ T10] [ 9525.663412][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9525.663412][ T10] netdev_get_by_index+0x5e/0x80 [ 9525.663412][ T10] fib6_nh_init+0x3d8/0x1580 [ 9525.663412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9525.663412][ T10] ip6_route_add+0x1c/0x140 [ 9525.663412][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9525.663412][ T10] addrconf_add_dev+0xe2/0x170 [ 9525.663412][ T10] inet6_addr_add+0x12f/0xa40 [ 9525.663412][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9525.663412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9525.663412][ T10] netlink_rcv_skb+0x130/0x360 [ 9525.663412][ T10] netlink_unicast+0x449/0x710 [ 9525.663412][ T10] netlink_sendmsg+0x723/0xbe0 [ 9525.663412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9525.663412][ T10] ___sys_sendmsg+0xee/0x170 [ 9525.663412][ T10] __sys_sendmsg+0xcd/0x170 [ 9525.663412][ T10] do_syscall_64+0xc6/0x1e0 [ 9525.663412][ T10] [ 9525.665563][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9525.665563][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9525.665563][ T10] ipv6_find_idev+0x102/0x170 [ 9525.665563][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9525.665563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9525.665563][ T10] netlink_rcv_skb+0x130/0x360 [ 9525.665563][ T10] netlink_unicast+0x449/0x710 [ 9525.665563][ T10] netlink_sendmsg+0x723/0xbe0 [ 9525.665563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9525.665563][ T10] ___sys_sendmsg+0xee/0x170 [ 9525.665563][ T10] __sys_sendmsg+0xcd/0x170 [ 9525.665563][ T10] do_syscall_64+0xc6/0x1e0 [ 9525.665563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9525.665563][ T10] [ 9525.667284][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9525.667284][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9525.667284][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9525.667284][ T10] ipv6_find_idev+0x102/0x170 [ 9525.667284][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9525.667284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9525.667284][ T10] netlink_rcv_skb+0x130/0x360 [ 9525.667284][ T10] netlink_unicast+0x449/0x710 [ 9525.667284][ T10] netlink_sendmsg+0x723/0xbe0 [ 9525.667284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9525.667284][ T10] ___sys_sendmsg+0xee/0x170 [ 9525.667284][ T10] __sys_sendmsg+0xcd/0x170 [ 9525.667284][ T10] do_syscall_64+0xc6/0x1e0 [ 9525.667284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9525.667284][ T10] [ 9525.669201][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9525.669437][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9525.669437][ T10] netdev_get_by_index+0x5e/0x80 [ 9525.669437][ T10] fib6_nh_init+0x3d8/0x1580 [ 9525.669437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9525.669437][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9525.669437][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9525.669437][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9525.669437][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9525.669437][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9525.669437][ T10] addrconf_dad_begin+0x310/0x670 [ 9525.669437][ T10] addrconf_dad_work+0x10b/0xab0 [ 9525.669437][ T10] process_one_work+0x84d/0x18a0 [ 9525.669437][ T10] worker_thread+0x587/0xd30 [ 9525.669437][ T10] kthread+0x28a/0x350 [ 9525.669437][ T10] ret_from_fork+0x31/0x70 [ 9525.669437][ T10] ret_from_fork_asm+0x1a/0x30 [ 9525.669437][ T10] [ 9525.671650][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9525.671650][ T10] netdev_get_by_index+0x5e/0x80 [ 9525.671650][ T10] fib6_nh_init+0x3d8/0x1580 [ 9525.671650][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9525.671650][ T10] ip6_route_add+0x1c/0x140 [ 9525.671650][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9525.671650][ T10] inet6_addr_add+0x4f8/0xa40 [ 9525.671650][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9525.671650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9525.671650][ T10] netlink_rcv_skb+0x130/0x360 [ 9525.671650][ T10] netlink_unicast+0x449/0x710 [ 9525.671650][ T10] netlink_sendmsg+0x723/0xbe0 [ 9525.671650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9525.671650][ T10] ___sys_sendmsg+0xee/0x170 [ 9525.671650][ T10] __sys_sendmsg+0xcd/0x170 [ 9525.671650][ T10] do_syscall_64+0xc6/0x1e0 [ 9525.671650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9525.671650][ T10] [ 9525.673836][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9525.673836][ T10] netdev_get_by_index+0x5e/0x80 [ 9525.673836][ T10] fib6_nh_init+0x3d8/0x1580 [ 9525.673836][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9525.673836][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9525.673836][ T10] ipv6_add_addr+0x411/0x2000 [ 9525.673836][ T10] inet6_addr_add+0x30e/0xa40 [ 9525.673836][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9525.673836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9525.673836][ T10] netlink_rcv_skb+0x130/0x360 [ 9525.673836][ T10] netlink_unicast+0x449/0x710 [ 9525.673836][ T10] netlink_sendmsg+0x723/0xbe0 [ 9525.673836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9525.673836][ T10] ___sys_sendmsg+0xee/0x170 [ 9525.673836][ T10] __sys_sendmsg+0xcd/0x170 [ 9525.673836][ T10] do_syscall_64+0xc6/0x1e0 [ 9525.673836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9525.673836][ T10] [ 9525.676178][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9525.676178][ T10] netdev_get_by_index+0x5e/0x80 [ 9525.676178][ T10] fib6_nh_init+0x3d8/0x1580 [ 9525.676178][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9525.676178][ T10] ip6_route_add+0x1c/0x140 [ 9525.676178][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9525.676178][ T10] addrconf_add_dev+0xe2/0x170 [ 9525.676178][ T10] inet6_addr_add+0x12f/0xa40 [ 9525.676178][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9525.676178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9525.676178][ T10] netlink_rcv_skb+0x130/0x360 [ 9525.676178][ T10] netlink_unicast+0x449/0x710 [ 9525.676178][ T10] netlink_sendmsg+0x723/0xbe0 [ 9525.676178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9525.676178][ T10] ___sys_sendmsg+0xee/0x170 [ 9525.676178][ T10] __sys_sendmsg+0xcd/0x170 [ 9525.676178][ T10] do_syscall_64+0xc6/0x1e0 [ 9525.676178][ T10] [ 9525.678403][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9525.678403][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9525.678403][ T10] ipv6_find_idev+0x102/0x170 [ 9525.678403][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9525.678403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9525.678403][ T10] netlink_rcv_skb+0x130/0x360 [ 9525.678403][ T10] netlink_unicast+0x449/0x710 [ 9525.678403][ T10] netlink_sendmsg+0x723/0xbe0 [ 9525.678403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9525.678403][ T10] ___sys_sendmsg+0xee/0x170 [ 9525.678403][ T10] __sys_sendmsg+0xcd/0x170 [ 9525.678403][ T10] do_syscall_64+0xc6/0x1e0 [ 9525.678403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9525.678403][ T10] [ 9525.680168][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9525.680168][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9525.680168][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9525.680168][ T10] ipv6_find_idev+0x102/0x170 [ 9525.680168][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9525.680168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9525.680168][ T10] netlink_rcv_skb+0x130/0x360 [ 9525.680168][ T10] netlink_unicast+0x449/0x710 [ 9525.680168][ T10] netlink_sendmsg+0x723/0xbe0 [ 9525.680168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9525.680168][ T10] ___sys_sendmsg+0xee/0x170 [ 9525.680168][ T10] __sys_sendmsg+0xcd/0x170 [ 9525.680168][ T10] do_syscall_64+0xc6/0x1e0 [ 9525.680168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9525.680168][ T10] [ 9530.073114][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9530.073621][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9530.073621][ T1167] dst_init+0x84/0x4a0 [ 9530.073621][ T1167] dst_alloc+0x97/0x150 [ 9530.073621][ T1167] ip6_dst_alloc+0x23/0x90 [ 9530.073621][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9530.073621][ T1167] ip6_pol_route+0x56f/0x840 [ 9530.073621][ T1167] fib6_rule_lookup+0x334/0x630 [ 9530.073621][ T1167] ip6_route_output_flags+0x259/0x480 [ 9530.073621][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9530.073621][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9530.073621][ T1167] netlink_rcv_skb+0x130/0x360 [ 9530.073621][ T1167] netlink_unicast+0x449/0x710 [ 9530.073621][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9530.073621][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9530.073621][ T1167] ___sys_sendmsg+0xee/0x170 [ 9530.073621][ T1167] __sys_sendmsg+0xcd/0x170 [ 9530.073621][ T1167] do_syscall_64+0xc6/0x1e0 [ 9530.073621][ T1167] [ 9530.075841][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9530.075841][ T1167] netdev_get_by_index+0x5e/0x80 [ 9530.075841][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9530.075841][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9530.075841][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9530.075841][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9530.075841][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9530.075841][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9530.075841][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9530.075841][ T1167] addrconf_dad_begin+0x310/0x670 [ 9530.075841][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9530.075841][ T1167] process_one_work+0x84d/0x18a0 [ 9530.075841][ T1167] worker_thread+0x587/0xd30 [ 9530.075841][ T1167] kthread+0x28a/0x350 [ 9530.075841][ T1167] ret_from_fork+0x31/0x70 [ 9530.075841][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9530.075841][ T1167] [ 9530.078002][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9530.078002][ T1167] netdev_get_by_index+0x5e/0x80 [ 9530.078002][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9530.078002][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9530.078002][ T1167] ip6_route_add+0x1c/0x140 [ 9530.078002][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9530.078002][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9530.078002][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9530.078002][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9530.078002][ T1167] netlink_rcv_skb+0x130/0x360 [ 9530.078002][ T1167] netlink_unicast+0x449/0x710 [ 9530.078002][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9530.078002][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9530.078002][ T1167] ___sys_sendmsg+0xee/0x170 [ 9530.078002][ T1167] __sys_sendmsg+0xcd/0x170 [ 9530.078002][ T1167] do_syscall_64+0xc6/0x1e0 [ 9530.078002][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9530.078002][ T1167] [ 9530.080293][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9530.080293][ T1167] netdev_get_by_index+0x5e/0x80 [ 9530.080293][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9530.080293][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9530.080293][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9530.080293][ T1167] ipv6_add_addr+0x411/0x2000 [ 9530.080293][ T1167] inet6_addr_add+0x30e/0xa40 [ 9530.080293][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9530.080293][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9530.080293][ T1167] netlink_rcv_skb+0x130/0x360 [ 9530.080293][ T1167] netlink_unicast+0x449/0x710 [ 9530.080293][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9530.080293][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9530.080293][ T1167] ___sys_sendmsg+0xee/0x170 [ 9530.080293][ T1167] __sys_sendmsg+0xcd/0x170 [ 9530.080293][ T1167] do_syscall_64+0xc6/0x1e0 [ 9530.080293][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9530.080293][ T1167] [ 9530.082560][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9530.082560][ T1167] netdev_get_by_index+0x5e/0x80 [ 9530.082560][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9530.082560][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9530.082560][ T1167] ip6_route_add+0x1c/0x140 [ 9530.082560][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9530.082560][ T1167] addrconf_add_dev+0xe2/0x170 [ 9530.082560][ T1167] inet6_addr_add+0x12f/0xa40 [ 9530.082560][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9530.082560][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9530.082560][ T1167] netlink_rcv_skb+0x130/0x360 [ 9530.082560][ T1167] netlink_unicast+0x449/0x710 [ 9530.082560][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9530.082560][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9530.082560][ T1167] ___sys_sendmsg+0xee/0x170 [ 9530.082560][ T1167] __sys_sendmsg+0xcd/0x170 [ 9530.082560][ T1167] do_syscall_64+0xc6/0x1e0 [ 9530.082560][ T1167] [ 9530.084793][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9530.084793][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9530.084793][ T1167] ipv6_find_idev+0x102/0x170 [ 9530.084793][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9530.084793][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9530.084793][ T1167] netlink_rcv_skb+0x130/0x360 [ 9530.084793][ T1167] netlink_unicast+0x449/0x710 [ 9530.084793][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9530.084793][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9530.084793][ T1167] ___sys_sendmsg+0xee/0x170 [ 9530.084793][ T1167] __sys_sendmsg+0xcd/0x170 [ 9530.084793][ T1167] do_syscall_64+0xc6/0x1e0 [ 9530.084793][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9530.084793][ T1167] [ 9530.086540][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9530.086540][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9530.086540][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9530.086540][ T1167] ipv6_find_idev+0x102/0x170 [ 9530.086540][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9530.086540][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9530.086540][ T1167] netlink_rcv_skb+0x130/0x360 [ 9530.086540][ T1167] netlink_unicast+0x449/0x710 [ 9530.086540][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9530.086540][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9530.086540][ T1167] ___sys_sendmsg+0xee/0x170 [ 9530.086540][ T1167] __sys_sendmsg+0xcd/0x170 [ 9530.086540][ T1167] do_syscall_64+0xc6/0x1e0 [ 9530.086540][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9530.086540][ T1167] [ 9535.921043][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9535.921466][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9535.921466][ T10] netdev_get_by_index+0x5e/0x80 [ 9535.921466][ T10] fib6_nh_init+0x3d8/0x1580 [ 9535.921466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9535.921466][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9535.921466][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9535.921466][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9535.921466][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9535.921466][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9535.921466][ T10] addrconf_dad_begin+0x310/0x670 [ 9535.921466][ T10] addrconf_dad_work+0x10b/0xab0 [ 9535.921466][ T10] process_one_work+0x84d/0x18a0 [ 9535.921466][ T10] worker_thread+0x587/0xd30 [ 9535.921466][ T10] kthread+0x28a/0x350 [ 9535.921466][ T10] ret_from_fork+0x31/0x70 [ 9535.921466][ T10] ret_from_fork_asm+0x1a/0x30 [ 9535.921466][ T10] [ 9535.923443][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9535.923443][ T10] netdev_get_by_index+0x5e/0x80 [ 9535.923443][ T10] fib6_nh_init+0x3d8/0x1580 [ 9535.923443][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9535.923443][ T10] ip6_route_add+0x1c/0x140 [ 9535.923443][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9535.923443][ T10] inet6_addr_add+0x4f8/0xa40 [ 9535.923443][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9535.923443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9535.923443][ T10] netlink_rcv_skb+0x130/0x360 [ 9535.923443][ T10] netlink_unicast+0x449/0x710 [ 9535.923443][ T10] netlink_sendmsg+0x723/0xbe0 [ 9535.923443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9535.923443][ T10] ___sys_sendmsg+0xee/0x170 [ 9535.923443][ T10] __sys_sendmsg+0xcd/0x170 [ 9535.923443][ T10] do_syscall_64+0xc6/0x1e0 [ 9535.923443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9535.923443][ T10] [ 9535.925467][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9535.925467][ T10] netdev_get_by_index+0x5e/0x80 [ 9535.925467][ T10] fib6_nh_init+0x3d8/0x1580 [ 9535.925467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9535.925467][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9535.925467][ T10] ipv6_add_addr+0x411/0x2000 [ 9535.925467][ T10] inet6_addr_add+0x30e/0xa40 [ 9535.925467][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9535.925467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9535.925467][ T10] netlink_rcv_skb+0x130/0x360 [ 9535.925467][ T10] netlink_unicast+0x449/0x710 [ 9535.925467][ T10] netlink_sendmsg+0x723/0xbe0 [ 9535.925467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9535.925467][ T10] ___sys_sendmsg+0xee/0x170 [ 9535.925467][ T10] __sys_sendmsg+0xcd/0x170 [ 9535.925467][ T10] do_syscall_64+0xc6/0x1e0 [ 9535.925467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9535.925467][ T10] [ 9535.927489][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9535.927489][ T10] netdev_get_by_index+0x5e/0x80 [ 9535.927489][ T10] fib6_nh_init+0x3d8/0x1580 [ 9535.927489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9535.927489][ T10] ip6_route_add+0x1c/0x140 [ 9535.927489][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9535.927489][ T10] addrconf_add_dev+0xe2/0x170 [ 9535.927489][ T10] inet6_addr_add+0x12f/0xa40 [ 9535.927489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9535.927489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9535.927489][ T10] netlink_rcv_skb+0x130/0x360 [ 9535.927489][ T10] netlink_unicast+0x449/0x710 [ 9535.927489][ T10] netlink_sendmsg+0x723/0xbe0 [ 9535.927489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9535.927489][ T10] ___sys_sendmsg+0xee/0x170 [ 9535.927489][ T10] __sys_sendmsg+0xcd/0x170 [ 9535.927489][ T10] do_syscall_64+0xc6/0x1e0 [ 9535.927489][ T10] [ 9535.929625][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9535.929625][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9535.929625][ T10] ipv6_find_idev+0x102/0x170 [ 9535.929625][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9535.929625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9535.929625][ T10] netlink_rcv_skb+0x130/0x360 [ 9535.929625][ T10] netlink_unicast+0x449/0x710 [ 9535.929625][ T10] netlink_sendmsg+0x723/0xbe0 [ 9535.929625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9535.929625][ T10] ___sys_sendmsg+0xee/0x170 [ 9535.929625][ T10] __sys_sendmsg+0xcd/0x170 [ 9535.929625][ T10] do_syscall_64+0xc6/0x1e0 [ 9535.929625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9535.929625][ T10] [ 9535.931324][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9535.931324][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9535.931324][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9535.931324][ T10] ipv6_find_idev+0x102/0x170 [ 9535.931324][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9535.931324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9535.931324][ T10] netlink_rcv_skb+0x130/0x360 [ 9535.931324][ T10] netlink_unicast+0x449/0x710 [ 9535.931324][ T10] netlink_sendmsg+0x723/0xbe0 [ 9535.931324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9535.931324][ T10] ___sys_sendmsg+0xee/0x170 [ 9535.931324][ T10] __sys_sendmsg+0xcd/0x170 [ 9535.931324][ T10] do_syscall_64+0xc6/0x1e0 [ 9535.931324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9535.931324][ T10] [ 9535.933180][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9535.933452][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9535.933452][ T10] netdev_get_by_index+0x5e/0x80 [ 9535.933452][ T10] fib6_nh_init+0x3d8/0x1580 [ 9535.933452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9535.933452][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9535.933452][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9535.933452][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9535.933452][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9535.933452][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9535.933452][ T10] addrconf_dad_begin+0x310/0x670 [ 9535.933452][ T10] addrconf_dad_work+0x10b/0xab0 [ 9535.933452][ T10] process_one_work+0x84d/0x18a0 [ 9535.933452][ T10] worker_thread+0x587/0xd30 [ 9535.933452][ T10] kthread+0x28a/0x350 [ 9535.933452][ T10] ret_from_fork+0x31/0x70 [ 9535.933452][ T10] ret_from_fork_asm+0x1a/0x30 [ 9535.933452][ T10] [ 9535.935425][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9535.935425][ T10] netdev_get_by_index+0x5e/0x80 [ 9535.935425][ T10] fib6_nh_init+0x3d8/0x1580 [ 9535.935425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9535.935425][ T10] ip6_route_add+0x1c/0x140 [ 9535.935425][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9535.935425][ T10] inet6_addr_add+0x4f8/0xa40 [ 9535.935425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9535.935425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9535.935425][ T10] netlink_rcv_skb+0x130/0x360 [ 9535.935425][ T10] netlink_unicast+0x449/0x710 [ 9535.935425][ T10] netlink_sendmsg+0x723/0xbe0 [ 9535.935425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9535.935425][ T10] ___sys_sendmsg+0xee/0x170 [ 9535.935425][ T10] __sys_sendmsg+0xcd/0x170 [ 9535.935425][ T10] do_syscall_64+0xc6/0x1e0 [ 9535.935425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9535.935425][ T10] [ 9535.937448][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9535.937448][ T10] netdev_get_by_index+0x5e/0x80 [ 9535.937448][ T10] fib6_nh_init+0x3d8/0x1580 [ 9535.937448][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9535.937448][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9535.937448][ T10] ipv6_add_addr+0x411/0x2000 [ 9535.937448][ T10] inet6_addr_add+0x30e/0xa40 [ 9535.937448][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9535.937448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9535.937448][ T10] netlink_rcv_skb+0x130/0x360 [ 9535.937448][ T10] netlink_unicast+0x449/0x710 [ 9535.937448][ T10] netlink_sendmsg+0x723/0xbe0 [ 9535.937448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9535.937448][ T10] ___sys_sendmsg+0xee/0x170 [ 9535.937448][ T10] __sys_sendmsg+0xcd/0x170 [ 9535.937448][ T10] do_syscall_64+0xc6/0x1e0 [ 9535.937448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9535.937448][ T10] [ 9535.939464][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9535.939464][ T10] netdev_get_by_index+0x5e/0x80 [ 9535.939464][ T10] fib6_nh_init+0x3d8/0x1580 [ 9535.939464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9535.939464][ T10] ip6_route_add+0x1c/0x140 [ 9535.939464][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9535.939464][ T10] addrconf_add_dev+0xe2/0x170 [ 9535.939464][ T10] inet6_addr_add+0x12f/0xa40 [ 9535.939464][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9535.939464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9535.939464][ T10] netlink_rcv_skb+0x130/0x360 [ 9535.939464][ T10] netlink_unicast+0x449/0x710 [ 9535.939464][ T10] netlink_sendmsg+0x723/0xbe0 [ 9535.939464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9535.939464][ T10] ___sys_sendmsg+0xee/0x170 [ 9535.939464][ T10] __sys_sendmsg+0xcd/0x170 [ 9535.939464][ T10] do_syscall_64+0xc6/0x1e0 [ 9535.939464][ T10] [ 9535.941450][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9535.941450][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9535.941450][ T10] ipv6_find_idev+0x102/0x170 [ 9535.941450][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9535.941450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9535.941450][ T10] netlink_rcv_skb+0x130/0x360 [ 9535.941450][ T10] netlink_unicast+0x449/0x710 [ 9535.941450][ T10] netlink_sendmsg+0x723/0xbe0 [ 9535.941450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9535.941450][ T10] ___sys_sendmsg+0xee/0x170 [ 9535.941450][ T10] __sys_sendmsg+0xcd/0x170 [ 9535.941450][ T10] do_syscall_64+0xc6/0x1e0 [ 9535.941450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9535.941450][ T10] [ 9535.943006][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9535.943006][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9535.943006][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9535.943006][ T10] ipv6_find_idev+0x102/0x170 [ 9535.943006][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9535.943006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9535.943006][ T10] netlink_rcv_skb+0x130/0x360 [ 9535.943006][ T10] netlink_unicast+0x449/0x710 [ 9535.943006][ T10] netlink_sendmsg+0x723/0xbe0 [ 9535.943006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9535.943006][ T10] ___sys_sendmsg+0xee/0x170 [ 9535.943006][ T10] __sys_sendmsg+0xcd/0x170 [ 9535.943006][ T10] do_syscall_64+0xc6/0x1e0 [ 9535.943006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9535.943006][ T10] [ 9535.944716][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9535.944957][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9535.944957][ T10] netdev_get_by_index+0x5e/0x80 [ 9535.944957][ T10] fib6_nh_init+0x3d8/0x1580 [ 9535.944957][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9535.944957][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9535.944957][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9535.944957][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9535.944957][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9535.944957][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9535.944957][ T10] addrconf_dad_begin+0x310/0x670 [ 9535.944957][ T10] addrconf_dad_work+0x10b/0xab0 [ 9535.944957][ T10] process_one_work+0x84d/0x18a0 [ 9535.944957][ T10] worker_thread+0x587/0xd30 [ 9535.944957][ T10] kthread+0x28a/0x350 [ 9535.944957][ T10] ret_from_fork+0x31/0x70 [ 9535.944957][ T10] ret_from_fork_asm+0x1a/0x30 [ 9535.944957][ T10] [ 9535.946885][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9535.946885][ T10] netdev_get_by_index+0x5e/0x80 [ 9535.946885][ T10] fib6_nh_init+0x3d8/0x1580 [ 9535.946885][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9535.946885][ T10] ip6_route_add+0x1c/0x140 [ 9535.946885][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9535.946885][ T10] inet6_addr_add+0x4f8/0xa40 [ 9535.946885][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9535.946885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9535.946885][ T10] netlink_rcv_skb+0x130/0x360 [ 9535.946885][ T10] netlink_unicast+0x449/0x710 [ 9535.946885][ T10] netlink_sendmsg+0x723/0xbe0 [ 9535.946885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9535.946885][ T10] ___sys_sendmsg+0xee/0x170 [ 9535.946885][ T10] __sys_sendmsg+0xcd/0x170 [ 9535.946885][ T10] do_syscall_64+0xc6/0x1e0 [ 9535.946885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9535.946885][ T10] [ 9535.949086][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9535.949086][ T10] netdev_get_by_index+0x5e/0x80 [ 9535.949086][ T10] fib6_nh_init+0x3d8/0x1580 [ 9535.949086][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9535.949086][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9535.949086][ T10] ipv6_add_addr+0x411/0x2000 [ 9535.949086][ T10] inet6_addr_add+0x30e/0xa40 [ 9535.949086][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9535.949086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9535.949086][ T10] netlink_rcv_skb+0x130/0x360 [ 9535.949086][ T10] netlink_unicast+0x449/0x710 [ 9535.949086][ T10] netlink_sendmsg+0x723/0xbe0 [ 9535.949086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9535.949086][ T10] ___sys_sendmsg+0xee/0x170 [ 9535.949086][ T10] __sys_sendmsg+0xcd/0x170 [ 9535.949086][ T10] do_syscall_64+0xc6/0x1e0 [ 9535.949086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9535.949086][ T10] [ 9535.951395][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9535.951395][ T10] netdev_get_by_index+0x5e/0x80 [ 9535.951395][ T10] fib6_nh_init+0x3d8/0x1580 [ 9535.951395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9535.951395][ T10] ip6_route_add+0x1c/0x140 [ 9535.951395][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9535.951395][ T10] addrconf_add_dev+0xe2/0x170 [ 9535.951395][ T10] inet6_addr_add+0x12f/0xa40 [ 9535.951395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9535.951395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9535.951395][ T10] netlink_rcv_skb+0x130/0x360 [ 9535.951395][ T10] netlink_unicast+0x449/0x710 [ 9535.951395][ T10] netlink_sendmsg+0x723/0xbe0 [ 9535.951395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9535.951395][ T10] ___sys_sendmsg+0xee/0x170 [ 9535.951395][ T10] __sys_sendmsg+0xcd/0x170 [ 9535.951395][ T10] do_syscall_64+0xc6/0x1e0 [ 9535.951395][ T10] [ 9535.953552][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9535.953552][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9535.953552][ T10] ipv6_find_idev+0x102/0x170 [ 9535.953552][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9535.953552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9535.953552][ T10] netlink_rcv_skb+0x130/0x360 [ 9535.953552][ T10] netlink_unicast+0x449/0x710 [ 9535.953552][ T10] netlink_sendmsg+0x723/0xbe0 [ 9535.953552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9535.953552][ T10] ___sys_sendmsg+0xee/0x170 [ 9535.953552][ T10] __sys_sendmsg+0xcd/0x170 [ 9535.953552][ T10] do_syscall_64+0xc6/0x1e0 [ 9535.953552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9535.953552][ T10] [ 9535.955277][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9535.955277][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9535.955277][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9535.955277][ T10] ipv6_find_idev+0x102/0x170 [ 9535.955277][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9535.955277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9535.955277][ T10] netlink_rcv_skb+0x130/0x360 [ 9535.955277][ T10] netlink_unicast+0x449/0x710 [ 9535.955277][ T10] netlink_sendmsg+0x723/0xbe0 [ 9535.955277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9535.955277][ T10] ___sys_sendmsg+0xee/0x170 [ 9535.955277][ T10] __sys_sendmsg+0xcd/0x170 [ 9535.955277][ T10] do_syscall_64+0xc6/0x1e0 [ 9535.955277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9535.955277][ T10] [ 9535.957207][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9535.957447][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9535.957447][ T10] netdev_get_by_index+0x5e/0x80 [ 9535.957447][ T10] fib6_nh_init+0x3d8/0x1580 [ 9535.957447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9535.957447][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9535.957447][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9535.957447][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9535.957447][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9535.957447][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9535.957447][ T10] addrconf_dad_begin+0x310/0x670 [ 9535.957447][ T10] addrconf_dad_work+0x10b/0xab0 [ 9535.957447][ T10] process_one_work+0x84d/0x18a0 [ 9535.957447][ T10] worker_thread+0x587/0xd30 [ 9535.957447][ T10] kthread+0x28a/0x350 [ 9535.957447][ T10] ret_from_fork+0x31/0x70 [ 9535.957447][ T10] ret_from_fork_asm+0x1a/0x30 [ 9535.957447][ T10] [ 9535.959667][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9535.959667][ T10] netdev_get_by_index+0x5e/0x80 [ 9535.959667][ T10] fib6_nh_init+0x3d8/0x1580 [ 9535.959667][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9535.959667][ T10] ip6_route_add+0x1c/0x140 [ 9535.959667][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9535.959667][ T10] inet6_addr_add+0x4f8/0xa40 [ 9535.959667][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9535.959667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9535.959667][ T10] netlink_rcv_skb+0x130/0x360 [ 9535.959667][ T10] netlink_unicast+0x449/0x710 [ 9535.959667][ T10] netlink_sendmsg+0x723/0xbe0 [ 9535.959667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9535.959667][ T10] ___sys_sendmsg+0xee/0x170 [ 9535.959667][ T10] __sys_sendmsg+0xcd/0x170 [ 9535.959667][ T10] do_syscall_64+0xc6/0x1e0 [ 9535.959667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9535.959667][ T10] [ 9535.961850][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9535.961850][ T10] netdev_get_by_index+0x5e/0x80 [ 9535.961850][ T10] fib6_nh_init+0x3d8/0x1580 [ 9535.961850][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9535.961850][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9535.961850][ T10] ipv6_add_addr+0x411/0x2000 [ 9535.961850][ T10] inet6_addr_add+0x30e/0xa40 [ 9535.961850][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9535.961850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9535.961850][ T10] netlink_rcv_skb+0x130/0x360 [ 9535.961850][ T10] netlink_unicast+0x449/0x710 [ 9535.961850][ T10] netlink_sendmsg+0x723/0xbe0 [ 9535.961850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9535.961850][ T10] ___sys_sendmsg+0xee/0x170 [ 9535.961850][ T10] __sys_sendmsg+0xcd/0x170 [ 9535.961850][ T10] do_syscall_64+0xc6/0x1e0 [ 9535.961850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9535.961850][ T10] [ 9535.964113][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9535.964113][ T10] netdev_get_by_index+0x5e/0x80 [ 9535.964113][ T10] fib6_nh_init+0x3d8/0x1580 [ 9535.964113][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9535.964113][ T10] ip6_route_add+0x1c/0x140 [ 9535.964113][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9535.964113][ T10] addrconf_add_dev+0xe2/0x170 [ 9535.964113][ T10] inet6_addr_add+0x12f/0xa40 [ 9535.964113][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9535.964113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9535.964113][ T10] netlink_rcv_skb+0x130/0x360 [ 9535.964113][ T10] netlink_unicast+0x449/0x710 [ 9535.964113][ T10] netlink_sendmsg+0x723/0xbe0 [ 9535.964113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9535.964113][ T10] ___sys_sendmsg+0xee/0x170 [ 9535.964113][ T10] __sys_sendmsg+0xcd/0x170 [ 9535.964113][ T10] do_syscall_64+0xc6/0x1e0 [ 9535.964113][ T10] [ 9535.966339][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9535.966339][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9535.966339][ T10] ipv6_find_idev+0x102/0x170 [ 9535.966339][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9535.966339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9535.966339][ T10] netlink_rcv_skb+0x130/0x360 [ 9535.966339][ T10] netlink_unicast+0x449/0x710 [ 9535.966339][ T10] netlink_sendmsg+0x723/0xbe0 [ 9535.966339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9535.966339][ T10] ___sys_sendmsg+0xee/0x170 [ 9535.966339][ T10] __sys_sendmsg+0xcd/0x170 [ 9535.966339][ T10] do_syscall_64+0xc6/0x1e0 [ 9535.966339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9535.966339][ T10] [ 9535.968061][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9535.968061][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9535.968061][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9535.968061][ T10] ipv6_find_idev+0x102/0x170 [ 9535.968061][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9535.968061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9535.968061][ T10] netlink_rcv_skb+0x130/0x360 [ 9535.968061][ T10] netlink_unicast+0x449/0x710 [ 9535.968061][ T10] netlink_sendmsg+0x723/0xbe0 [ 9535.968061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9535.968061][ T10] ___sys_sendmsg+0xee/0x170 [ 9535.968061][ T10] __sys_sendmsg+0xcd/0x170 [ 9535.968061][ T10] do_syscall_64+0xc6/0x1e0 [ 9535.968061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9535.968061][ T10] [ 9540.337202][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9540.337678][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9540.337678][ T1167] dst_init+0x84/0x4a0 [ 9540.337678][ T1167] dst_alloc+0x97/0x150 [ 9540.337678][ T1167] ip6_dst_alloc+0x23/0x90 [ 9540.337678][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9540.337678][ T1167] ip6_pol_route+0x56f/0x840 [ 9540.337678][ T1167] fib6_rule_lookup+0x334/0x630 [ 9540.337678][ T1167] ip6_route_output_flags+0x259/0x480 [ 9540.337678][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9540.337678][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9540.337678][ T1167] netlink_rcv_skb+0x130/0x360 [ 9540.337678][ T1167] netlink_unicast+0x449/0x710 [ 9540.337678][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9540.337678][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9540.337678][ T1167] ___sys_sendmsg+0xee/0x170 [ 9540.337678][ T1167] __sys_sendmsg+0xcd/0x170 [ 9540.337678][ T1167] do_syscall_64+0xc6/0x1e0 [ 9540.337678][ T1167] [ 9540.339879][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9540.339879][ T1167] netdev_get_by_index+0x5e/0x80 [ 9540.339879][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9540.339879][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9540.339879][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9540.339879][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9540.339879][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9540.339879][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9540.339879][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9540.339879][ T1167] addrconf_dad_begin+0x310/0x670 [ 9540.339879][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9540.339879][ T1167] process_one_work+0x84d/0x18a0 [ 9540.339879][ T1167] worker_thread+0x587/0xd30 [ 9540.339879][ T1167] kthread+0x28a/0x350 [ 9540.339879][ T1167] ret_from_fork+0x31/0x70 [ 9540.339879][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9540.339879][ T1167] [ 9540.342030][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9540.342030][ T1167] netdev_get_by_index+0x5e/0x80 [ 9540.342030][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9540.342030][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9540.342030][ T1167] ip6_route_add+0x1c/0x140 [ 9540.342030][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9540.342030][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9540.342030][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9540.342030][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9540.342030][ T1167] netlink_rcv_skb+0x130/0x360 [ 9540.342030][ T1167] netlink_unicast+0x449/0x710 [ 9540.342030][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9540.342030][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9540.342030][ T1167] ___sys_sendmsg+0xee/0x170 [ 9540.342030][ T1167] __sys_sendmsg+0xcd/0x170 [ 9540.342030][ T1167] do_syscall_64+0xc6/0x1e0 [ 9540.342030][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9540.342030][ T1167] [ 9540.344284][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9540.344284][ T1167] netdev_get_by_index+0x5e/0x80 [ 9540.344284][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9540.344284][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9540.344284][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9540.344284][ T1167] ipv6_add_addr+0x411/0x2000 [ 9540.344284][ T1167] inet6_addr_add+0x30e/0xa40 [ 9540.344284][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9540.344284][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9540.344284][ T1167] netlink_rcv_skb+0x130/0x360 [ 9540.344284][ T1167] netlink_unicast+0x449/0x710 [ 9540.344284][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9540.344284][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9540.344284][ T1167] ___sys_sendmsg+0xee/0x170 [ 9540.344284][ T1167] __sys_sendmsg+0xcd/0x170 [ 9540.344284][ T1167] do_syscall_64+0xc6/0x1e0 [ 9540.344284][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9540.344284][ T1167] [ 9540.346521][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9540.346521][ T1167] netdev_get_by_index+0x5e/0x80 [ 9540.346521][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9540.346521][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9540.346521][ T1167] ip6_route_add+0x1c/0x140 [ 9540.346521][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9540.346521][ T1167] addrconf_add_dev+0xe2/0x170 [ 9540.346521][ T1167] inet6_addr_add+0x12f/0xa40 [ 9540.346521][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9540.346521][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9540.346521][ T1167] netlink_rcv_skb+0x130/0x360 [ 9540.346521][ T1167] netlink_unicast+0x449/0x710 [ 9540.346521][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9540.346521][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9540.346521][ T1167] ___sys_sendmsg+0xee/0x170 [ 9540.346521][ T1167] __sys_sendmsg+0xcd/0x170 [ 9540.346521][ T1167] do_syscall_64+0xc6/0x1e0 [ 9540.346521][ T1167] [ 9540.348721][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9540.348721][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9540.348721][ T1167] ipv6_find_idev+0x102/0x170 [ 9540.348721][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9540.348721][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9540.348721][ T1167] netlink_rcv_skb+0x130/0x360 [ 9540.348721][ T1167] netlink_unicast+0x449/0x710 [ 9540.348721][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9540.348721][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9540.348721][ T1167] ___sys_sendmsg+0xee/0x170 [ 9540.348721][ T1167] __sys_sendmsg+0xcd/0x170 [ 9540.348721][ T1167] do_syscall_64+0xc6/0x1e0 [ 9540.348721][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9540.348721][ T1167] [ 9540.350441][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9540.350441][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9540.350441][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9540.350441][ T1167] ipv6_find_idev+0x102/0x170 [ 9540.350441][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9540.350441][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9540.350441][ T1167] netlink_rcv_skb+0x130/0x360 [ 9540.350441][ T1167] netlink_unicast+0x449/0x710 [ 9540.350441][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9540.350441][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9540.350441][ T1167] ___sys_sendmsg+0xee/0x170 [ 9540.350441][ T1167] __sys_sendmsg+0xcd/0x170 [ 9540.350441][ T1167] do_syscall_64+0xc6/0x1e0 [ 9540.350441][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9540.350441][ T1167] [ 9546.209058][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9546.209485][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9546.209485][ T10] netdev_get_by_index+0x5e/0x80 [ 9546.209485][ T10] fib6_nh_init+0x3d8/0x1580 [ 9546.209485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9546.209485][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9546.209485][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9546.209485][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9546.209485][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9546.209485][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9546.209485][ T10] addrconf_dad_begin+0x310/0x670 [ 9546.209485][ T10] addrconf_dad_work+0x10b/0xab0 [ 9546.209485][ T10] process_one_work+0x84d/0x18a0 [ 9546.209485][ T10] worker_thread+0x587/0xd30 [ 9546.209485][ T10] kthread+0x28a/0x350 [ 9546.209485][ T10] ret_from_fork+0x31/0x70 [ 9546.209485][ T10] ret_from_fork_asm+0x1a/0x30 [ 9546.209485][ T10] [ 9546.211406][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9546.211406][ T10] netdev_get_by_index+0x5e/0x80 [ 9546.211406][ T10] fib6_nh_init+0x3d8/0x1580 [ 9546.211406][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9546.211406][ T10] ip6_route_add+0x1c/0x140 [ 9546.211406][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9546.211406][ T10] inet6_addr_add+0x4f8/0xa40 [ 9546.211406][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9546.211406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9546.211406][ T10] netlink_rcv_skb+0x130/0x360 [ 9546.211406][ T10] netlink_unicast+0x449/0x710 [ 9546.211406][ T10] netlink_sendmsg+0x723/0xbe0 [ 9546.211406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9546.211406][ T10] ___sys_sendmsg+0xee/0x170 [ 9546.211406][ T10] __sys_sendmsg+0xcd/0x170 [ 9546.211406][ T10] do_syscall_64+0xc6/0x1e0 [ 9546.211406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9546.211406][ T10] [ 9546.213410][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9546.213410][ T10] netdev_get_by_index+0x5e/0x80 [ 9546.213410][ T10] fib6_nh_init+0x3d8/0x1580 [ 9546.213410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9546.213410][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9546.213410][ T10] ipv6_add_addr+0x411/0x2000 [ 9546.213410][ T10] inet6_addr_add+0x30e/0xa40 [ 9546.213410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9546.213410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9546.213410][ T10] netlink_rcv_skb+0x130/0x360 [ 9546.213410][ T10] netlink_unicast+0x449/0x710 [ 9546.213410][ T10] netlink_sendmsg+0x723/0xbe0 [ 9546.213410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9546.213410][ T10] ___sys_sendmsg+0xee/0x170 [ 9546.213410][ T10] __sys_sendmsg+0xcd/0x170 [ 9546.213410][ T10] do_syscall_64+0xc6/0x1e0 [ 9546.213410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9546.213410][ T10] [ 9546.215387][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9546.215387][ T10] netdev_get_by_index+0x5e/0x80 [ 9546.215387][ T10] fib6_nh_init+0x3d8/0x1580 [ 9546.215387][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9546.215387][ T10] ip6_route_add+0x1c/0x140 [ 9546.215387][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9546.215387][ T10] addrconf_add_dev+0xe2/0x170 [ 9546.215387][ T10] inet6_addr_add+0x12f/0xa40 [ 9546.215387][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9546.215387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9546.215387][ T10] netlink_rcv_skb+0x130/0x360 [ 9546.215387][ T10] netlink_unicast+0x449/0x710 [ 9546.215387][ T10] netlink_sendmsg+0x723/0xbe0 [ 9546.215387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9546.215387][ T10] ___sys_sendmsg+0xee/0x170 [ 9546.215387][ T10] __sys_sendmsg+0xcd/0x170 [ 9546.215387][ T10] do_syscall_64+0xc6/0x1e0 [ 9546.215387][ T10] [ 9546.217328][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9546.217328][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9546.217328][ T10] ipv6_find_idev+0x102/0x170 [ 9546.217328][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9546.217328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9546.217328][ T10] netlink_rcv_skb+0x130/0x360 [ 9546.217328][ T10] netlink_unicast+0x449/0x710 [ 9546.217328][ T10] netlink_sendmsg+0x723/0xbe0 [ 9546.217328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9546.217328][ T10] ___sys_sendmsg+0xee/0x170 [ 9546.217328][ T10] __sys_sendmsg+0xcd/0x170 [ 9546.217328][ T10] do_syscall_64+0xc6/0x1e0 [ 9546.217328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9546.217328][ T10] [ 9546.218850][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9546.218850][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9546.218850][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9546.218850][ T10] ipv6_find_idev+0x102/0x170 [ 9546.218850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9546.218850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9546.218850][ T10] netlink_rcv_skb+0x130/0x360 [ 9546.218850][ T10] netlink_unicast+0x449/0x710 [ 9546.218850][ T10] netlink_sendmsg+0x723/0xbe0 [ 9546.218850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9546.218850][ T10] ___sys_sendmsg+0xee/0x170 [ 9546.218850][ T10] __sys_sendmsg+0xcd/0x170 [ 9546.218850][ T10] do_syscall_64+0xc6/0x1e0 [ 9546.218850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9546.218850][ T10] [ 9546.220526][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9546.220772][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9546.220772][ T10] netdev_get_by_index+0x5e/0x80 [ 9546.220772][ T10] fib6_nh_init+0x3d8/0x1580 [ 9546.220772][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9546.220772][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9546.220772][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9546.220772][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9546.220772][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9546.220772][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9546.220772][ T10] addrconf_dad_begin+0x310/0x670 [ 9546.220772][ T10] addrconf_dad_work+0x10b/0xab0 [ 9546.220772][ T10] process_one_work+0x84d/0x18a0 [ 9546.220772][ T10] worker_thread+0x587/0xd30 [ 9546.220772][ T10] kthread+0x28a/0x350 [ 9546.220772][ T10] ret_from_fork+0x31/0x70 [ 9546.220772][ T10] ret_from_fork_asm+0x1a/0x30 [ 9546.220772][ T10] [ 9546.222670][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9546.222670][ T10] netdev_get_by_index+0x5e/0x80 [ 9546.222670][ T10] fib6_nh_init+0x3d8/0x1580 [ 9546.222670][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9546.222670][ T10] ip6_route_add+0x1c/0x140 [ 9546.222670][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9546.222670][ T10] inet6_addr_add+0x4f8/0xa40 [ 9546.222670][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9546.222670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9546.222670][ T10] netlink_rcv_skb+0x130/0x360 [ 9546.222670][ T10] netlink_unicast+0x449/0x710 [ 9546.222670][ T10] netlink_sendmsg+0x723/0xbe0 [ 9546.222670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9546.222670][ T10] ___sys_sendmsg+0xee/0x170 [ 9546.222670][ T10] __sys_sendmsg+0xcd/0x170 [ 9546.222670][ T10] do_syscall_64+0xc6/0x1e0 [ 9546.222670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9546.222670][ T10] [ 9546.224657][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9546.224657][ T10] netdev_get_by_index+0x5e/0x80 [ 9546.224657][ T10] fib6_nh_init+0x3d8/0x1580 [ 9546.224657][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9546.224657][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9546.224657][ T10] ipv6_add_addr+0x411/0x2000 [ 9546.224657][ T10] inet6_addr_add+0x30e/0xa40 [ 9546.224657][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9546.224657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9546.224657][ T10] netlink_rcv_skb+0x130/0x360 [ 9546.224657][ T10] netlink_unicast+0x449/0x710 [ 9546.224657][ T10] netlink_sendmsg+0x723/0xbe0 [ 9546.224657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9546.224657][ T10] ___sys_sendmsg+0xee/0x170 [ 9546.224657][ T10] __sys_sendmsg+0xcd/0x170 [ 9546.224657][ T10] do_syscall_64+0xc6/0x1e0 [ 9546.224657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9546.224657][ T10] [ 9546.226634][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9546.226634][ T10] netdev_get_by_index+0x5e/0x80 [ 9546.226634][ T10] fib6_nh_init+0x3d8/0x1580 [ 9546.226634][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9546.226634][ T10] ip6_route_add+0x1c/0x140 [ 9546.226634][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9546.226634][ T10] addrconf_add_dev+0xe2/0x170 [ 9546.226634][ T10] inet6_addr_add+0x12f/0xa40 [ 9546.226634][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9546.226634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9546.226634][ T10] netlink_rcv_skb+0x130/0x360 [ 9546.226634][ T10] netlink_unicast+0x449/0x710 [ 9546.226634][ T10] netlink_sendmsg+0x723/0xbe0 [ 9546.226634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9546.226634][ T10] ___sys_sendmsg+0xee/0x170 [ 9546.226634][ T10] __sys_sendmsg+0xcd/0x170 [ 9546.226634][ T10] do_syscall_64+0xc6/0x1e0 [ 9546.226634][ T10] [ 9546.228580][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9546.228580][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9546.228580][ T10] ipv6_find_idev+0x102/0x170 [ 9546.228580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9546.228580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9546.228580][ T10] netlink_rcv_skb+0x130/0x360 [ 9546.228580][ T10] netlink_unicast+0x449/0x710 [ 9546.228580][ T10] netlink_sendmsg+0x723/0xbe0 [ 9546.228580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9546.228580][ T10] ___sys_sendmsg+0xee/0x170 [ 9546.228580][ T10] __sys_sendmsg+0xcd/0x170 [ 9546.228580][ T10] do_syscall_64+0xc6/0x1e0 [ 9546.228580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9546.228580][ T10] [ 9546.230111][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9546.230111][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9546.230111][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9546.230111][ T10] ipv6_find_idev+0x102/0x170 [ 9546.230111][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9546.230111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9546.230111][ T10] netlink_rcv_skb+0x130/0x360 [ 9546.230111][ T10] netlink_unicast+0x449/0x710 [ 9546.230111][ T10] netlink_sendmsg+0x723/0xbe0 [ 9546.230111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9546.230111][ T10] ___sys_sendmsg+0xee/0x170 [ 9546.230111][ T10] __sys_sendmsg+0xcd/0x170 [ 9546.230111][ T10] do_syscall_64+0xc6/0x1e0 [ 9546.230111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9546.230111][ T10] [ 9546.231777][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9546.232027][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9546.232027][ T10] netdev_get_by_index+0x5e/0x80 [ 9546.232027][ T10] fib6_nh_init+0x3d8/0x1580 [ 9546.232027][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9546.232027][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9546.232027][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9546.232027][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9546.232027][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9546.232027][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9546.232027][ T10] addrconf_dad_begin+0x310/0x670 [ 9546.232027][ T10] addrconf_dad_work+0x10b/0xab0 [ 9546.232027][ T10] process_one_work+0x84d/0x18a0 [ 9546.232027][ T10] worker_thread+0x587/0xd30 [ 9546.232027][ T10] kthread+0x28a/0x350 [ 9546.232027][ T10] ret_from_fork+0x31/0x70 [ 9546.232027][ T10] ret_from_fork_asm+0x1a/0x30 [ 9546.232027][ T10] [ 9546.233925][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9546.233925][ T10] netdev_get_by_index+0x5e/0x80 [ 9546.233925][ T10] fib6_nh_init+0x3d8/0x1580 [ 9546.233925][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9546.233925][ T10] ip6_route_add+0x1c/0x140 [ 9546.233925][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9546.233925][ T10] inet6_addr_add+0x4f8/0xa40 [ 9546.233925][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9546.233925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9546.233925][ T10] netlink_rcv_skb+0x130/0x360 [ 9546.233925][ T10] netlink_unicast+0x449/0x710 [ 9546.233925][ T10] netlink_sendmsg+0x723/0xbe0 [ 9546.233925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9546.233925][ T10] ___sys_sendmsg+0xee/0x170 [ 9546.233925][ T10] __sys_sendmsg+0xcd/0x170 [ 9546.233925][ T10] do_syscall_64+0xc6/0x1e0 [ 9546.233925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9546.233925][ T10] [ 9546.236033][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9546.236033][ T10] netdev_get_by_index+0x5e/0x80 [ 9546.236033][ T10] fib6_nh_init+0x3d8/0x1580 [ 9546.236033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9546.236033][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9546.236033][ T10] ipv6_add_addr+0x411/0x2000 [ 9546.236033][ T10] inet6_addr_add+0x30e/0xa40 [ 9546.236033][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9546.236033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9546.236033][ T10] netlink_rcv_skb+0x130/0x360 [ 9546.236033][ T10] netlink_unicast+0x449/0x710 [ 9546.236033][ T10] netlink_sendmsg+0x723/0xbe0 [ 9546.236033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9546.236033][ T10] ___sys_sendmsg+0xee/0x170 [ 9546.236033][ T10] __sys_sendmsg+0xcd/0x170 [ 9546.236033][ T10] do_syscall_64+0xc6/0x1e0 [ 9546.236033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9546.236033][ T10] [ 9546.238161][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9546.238161][ T10] netdev_get_by_index+0x5e/0x80 [ 9546.238161][ T10] fib6_nh_init+0x3d8/0x1580 [ 9546.238161][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9546.238161][ T10] ip6_route_add+0x1c/0x140 [ 9546.238161][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9546.238161][ T10] addrconf_add_dev+0xe2/0x170 [ 9546.238161][ T10] inet6_addr_add+0x12f/0xa40 [ 9546.238161][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9546.238161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9546.238161][ T10] netlink_rcv_skb+0x130/0x360 [ 9546.238161][ T10] netlink_unicast+0x449/0x710 [ 9546.238161][ T10] netlink_sendmsg+0x723/0xbe0 [ 9546.238161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9546.238161][ T10] ___sys_sendmsg+0xee/0x170 [ 9546.238161][ T10] __sys_sendmsg+0xcd/0x170 [ 9546.238161][ T10] do_syscall_64+0xc6/0x1e0 [ 9546.238161][ T10] [ 9546.240231][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9546.240231][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9546.240231][ T10] ipv6_find_idev+0x102/0x170 [ 9546.240231][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9546.240231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9546.240231][ T10] netlink_rcv_skb+0x130/0x360 [ 9546.240231][ T10] netlink_unicast+0x449/0x710 [ 9546.240231][ T10] netlink_sendmsg+0x723/0xbe0 [ 9546.240231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9546.240231][ T10] ___sys_sendmsg+0xee/0x170 [ 9546.240231][ T10] __sys_sendmsg+0xcd/0x170 [ 9546.240231][ T10] do_syscall_64+0xc6/0x1e0 [ 9546.240231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9546.240231][ T10] [ 9546.241936][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9546.241936][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9546.241936][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9546.241936][ T10] ipv6_find_idev+0x102/0x170 [ 9546.241936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9546.241936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9546.241936][ T10] netlink_rcv_skb+0x130/0x360 [ 9546.241936][ T10] netlink_unicast+0x449/0x710 [ 9546.241936][ T10] netlink_sendmsg+0x723/0xbe0 [ 9546.241936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9546.241936][ T10] ___sys_sendmsg+0xee/0x170 [ 9546.241936][ T10] __sys_sendmsg+0xcd/0x170 [ 9546.241936][ T10] do_syscall_64+0xc6/0x1e0 [ 9546.241936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9546.241936][ T10] [ 9546.243789][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9546.244028][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9546.244028][ T10] netdev_get_by_index+0x5e/0x80 [ 9546.244028][ T10] fib6_nh_init+0x3d8/0x1580 [ 9546.244028][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9546.244028][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9546.244028][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9546.244028][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9546.244028][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9546.244028][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9546.244028][ T10] addrconf_dad_begin+0x310/0x670 [ 9546.244028][ T10] addrconf_dad_work+0x10b/0xab0 [ 9546.244028][ T10] process_one_work+0x84d/0x18a0 [ 9546.244028][ T10] worker_thread+0x587/0xd30 [ 9546.244028][ T10] kthread+0x28a/0x350 [ 9546.244028][ T10] ret_from_fork+0x31/0x70 [ 9546.244028][ T10] ret_from_fork_asm+0x1a/0x30 [ 9546.244028][ T10] [ 9546.246226][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9546.246226][ T10] netdev_get_by_index+0x5e/0x80 [ 9546.246226][ T10] fib6_nh_init+0x3d8/0x1580 [ 9546.246226][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9546.246226][ T10] ip6_route_add+0x1c/0x140 [ 9546.246226][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9546.246226][ T10] inet6_addr_add+0x4f8/0xa40 [ 9546.246226][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9546.246226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9546.246226][ T10] netlink_rcv_skb+0x130/0x360 [ 9546.246226][ T10] netlink_unicast+0x449/0x710 [ 9546.246226][ T10] netlink_sendmsg+0x723/0xbe0 [ 9546.246226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9546.246226][ T10] ___sys_sendmsg+0xee/0x170 [ 9546.246226][ T10] __sys_sendmsg+0xcd/0x170 [ 9546.246226][ T10] do_syscall_64+0xc6/0x1e0 [ 9546.246226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9546.246226][ T10] [ 9546.248447][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9546.248447][ T10] netdev_get_by_index+0x5e/0x80 [ 9546.248447][ T10] fib6_nh_init+0x3d8/0x1580 [ 9546.248447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9546.248447][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9546.248447][ T10] ipv6_add_addr+0x411/0x2000 [ 9546.248447][ T10] inet6_addr_add+0x30e/0xa40 [ 9546.248447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9546.248447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9546.248447][ T10] netlink_rcv_skb+0x130/0x360 [ 9546.248447][ T10] netlink_unicast+0x449/0x710 [ 9546.248447][ T10] netlink_sendmsg+0x723/0xbe0 [ 9546.248447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9546.248447][ T10] ___sys_sendmsg+0xee/0x170 [ 9546.248447][ T10] __sys_sendmsg+0xcd/0x170 [ 9546.248447][ T10] do_syscall_64+0xc6/0x1e0 [ 9546.248447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9546.248447][ T10] [ 9546.250673][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9546.250673][ T10] netdev_get_by_index+0x5e/0x80 [ 9546.250673][ T10] fib6_nh_init+0x3d8/0x1580 [ 9546.250673][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9546.250673][ T10] ip6_route_add+0x1c/0x140 [ 9546.250673][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9546.250673][ T10] addrconf_add_dev+0xe2/0x170 [ 9546.250673][ T10] inet6_addr_add+0x12f/0xa40 [ 9546.250673][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9546.250673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9546.250673][ T10] netlink_rcv_skb+0x130/0x360 [ 9546.250673][ T10] netlink_unicast+0x449/0x710 [ 9546.250673][ T10] netlink_sendmsg+0x723/0xbe0 [ 9546.250673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9546.250673][ T10] ___sys_sendmsg+0xee/0x170 [ 9546.250673][ T10] __sys_sendmsg+0xcd/0x170 [ 9546.250673][ T10] do_syscall_64+0xc6/0x1e0 [ 9546.250673][ T10] [ 9546.252818][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9546.252818][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9546.252818][ T10] ipv6_find_idev+0x102/0x170 [ 9546.252818][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9546.252818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9546.252818][ T10] netlink_rcv_skb+0x130/0x360 [ 9546.252818][ T10] netlink_unicast+0x449/0x710 [ 9546.252818][ T10] netlink_sendmsg+0x723/0xbe0 [ 9546.252818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9546.252818][ T10] ___sys_sendmsg+0xee/0x170 [ 9546.252818][ T10] __sys_sendmsg+0xcd/0x170 [ 9546.252818][ T10] do_syscall_64+0xc6/0x1e0 [ 9546.252818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9546.252818][ T10] [ 9546.254529][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9546.254529][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9546.254529][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9546.254529][ T10] ipv6_find_idev+0x102/0x170 [ 9546.254529][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9546.254529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9546.254529][ T10] netlink_rcv_skb+0x130/0x360 [ 9546.254529][ T10] netlink_unicast+0x449/0x710 [ 9546.254529][ T10] netlink_sendmsg+0x723/0xbe0 [ 9546.254529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9546.254529][ T10] ___sys_sendmsg+0xee/0x170 [ 9546.254529][ T10] __sys_sendmsg+0xcd/0x170 [ 9546.254529][ T10] do_syscall_64+0xc6/0x1e0 [ 9546.254529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9546.254529][ T10] [ 9550.361044][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9550.361519][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9550.361519][ T1167] dst_init+0x84/0x4a0 [ 9550.361519][ T1167] dst_alloc+0x97/0x150 [ 9550.361519][ T1167] ip6_dst_alloc+0x23/0x90 [ 9550.361519][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9550.361519][ T1167] ip6_pol_route+0x56f/0x840 [ 9550.361519][ T1167] fib6_rule_lookup+0x334/0x630 [ 9550.361519][ T1167] ip6_route_output_flags+0x259/0x480 [ 9550.361519][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9550.361519][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9550.361519][ T1167] netlink_rcv_skb+0x130/0x360 [ 9550.361519][ T1167] netlink_unicast+0x449/0x710 [ 9550.361519][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9550.361519][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9550.361519][ T1167] ___sys_sendmsg+0xee/0x170 [ 9550.361519][ T1167] __sys_sendmsg+0xcd/0x170 [ 9550.361519][ T1167] do_syscall_64+0xc6/0x1e0 [ 9550.361519][ T1167] [ 9550.363725][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9550.363725][ T1167] netdev_get_by_index+0x5e/0x80 [ 9550.363725][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9550.363725][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9550.363725][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9550.363725][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9550.363725][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9550.363725][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9550.363725][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9550.363725][ T1167] addrconf_dad_begin+0x310/0x670 [ 9550.363725][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9550.363725][ T1167] process_one_work+0x84d/0x18a0 [ 9550.363725][ T1167] worker_thread+0x587/0xd30 [ 9550.363725][ T1167] kthread+0x28a/0x350 [ 9550.363725][ T1167] ret_from_fork+0x31/0x70 [ 9550.363725][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9550.363725][ T1167] [ 9550.365865][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9550.365865][ T1167] netdev_get_by_index+0x5e/0x80 [ 9550.365865][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9550.365865][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9550.365865][ T1167] ip6_route_add+0x1c/0x140 [ 9550.365865][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9550.365865][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9550.365865][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9550.365865][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9550.365865][ T1167] netlink_rcv_skb+0x130/0x360 [ 9550.365865][ T1167] netlink_unicast+0x449/0x710 [ 9550.365865][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9550.365865][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9550.365865][ T1167] ___sys_sendmsg+0xee/0x170 [ 9550.365865][ T1167] __sys_sendmsg+0xcd/0x170 [ 9550.365865][ T1167] do_syscall_64+0xc6/0x1e0 [ 9550.365865][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9550.365865][ T1167] [ 9550.368096][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9550.368096][ T1167] netdev_get_by_index+0x5e/0x80 [ 9550.368096][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9550.368096][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9550.368096][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9550.368096][ T1167] ipv6_add_addr+0x411/0x2000 [ 9550.368096][ T1167] inet6_addr_add+0x30e/0xa40 [ 9550.368096][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9550.368096][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9550.368096][ T1167] netlink_rcv_skb+0x130/0x360 [ 9550.368096][ T1167] netlink_unicast+0x449/0x710 [ 9550.368096][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9550.368096][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9550.368096][ T1167] ___sys_sendmsg+0xee/0x170 [ 9550.368096][ T1167] __sys_sendmsg+0xcd/0x170 [ 9550.368096][ T1167] do_syscall_64+0xc6/0x1e0 [ 9550.368096][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9550.368096][ T1167] [ 9550.370348][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9550.370348][ T1167] netdev_get_by_index+0x5e/0x80 [ 9550.370348][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9550.370348][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9550.370348][ T1167] ip6_route_add+0x1c/0x140 [ 9550.370348][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9550.370348][ T1167] addrconf_add_dev+0xe2/0x170 [ 9550.370348][ T1167] inet6_addr_add+0x12f/0xa40 [ 9550.370348][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9550.370348][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9550.370348][ T1167] netlink_rcv_skb+0x130/0x360 [ 9550.370348][ T1167] netlink_unicast+0x449/0x710 [ 9550.370348][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9550.370348][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9550.370348][ T1167] ___sys_sendmsg+0xee/0x170 [ 9550.370348][ T1167] __sys_sendmsg+0xcd/0x170 [ 9550.370348][ T1167] do_syscall_64+0xc6/0x1e0 [ 9550.370348][ T1167] [ 9550.372539][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9550.372539][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9550.372539][ T1167] ipv6_find_idev+0x102/0x170 [ 9550.372539][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9550.372539][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9550.372539][ T1167] netlink_rcv_skb+0x130/0x360 [ 9550.372539][ T1167] netlink_unicast+0x449/0x710 [ 9550.372539][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9550.372539][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9550.372539][ T1167] ___sys_sendmsg+0xee/0x170 [ 9550.372539][ T1167] __sys_sendmsg+0xcd/0x170 [ 9550.372539][ T1167] do_syscall_64+0xc6/0x1e0 [ 9550.372539][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9550.372539][ T1167] [ 9550.374277][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9550.374277][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9550.374277][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9550.374277][ T1167] ipv6_find_idev+0x102/0x170 [ 9550.374277][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9550.374277][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9550.374277][ T1167] netlink_rcv_skb+0x130/0x360 [ 9550.374277][ T1167] netlink_unicast+0x449/0x710 [ 9550.374277][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9550.374277][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9550.374277][ T1167] ___sys_sendmsg+0xee/0x170 [ 9550.374277][ T1167] __sys_sendmsg+0xcd/0x170 [ 9550.374277][ T1167] do_syscall_64+0xc6/0x1e0 [ 9550.374277][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9550.374277][ T1167] [ 9556.497130][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9556.497553][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9556.497553][ T10] netdev_get_by_index+0x5e/0x80 [ 9556.497553][ T10] fib6_nh_init+0x3d8/0x1580 [ 9556.497553][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9556.497553][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9556.497553][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9556.497553][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9556.497553][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9556.497553][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9556.497553][ T10] addrconf_dad_begin+0x310/0x670 [ 9556.497553][ T10] addrconf_dad_work+0x10b/0xab0 [ 9556.497553][ T10] process_one_work+0x84d/0x18a0 [ 9556.497553][ T10] worker_thread+0x587/0xd30 [ 9556.497553][ T10] kthread+0x28a/0x350 [ 9556.497553][ T10] ret_from_fork+0x31/0x70 [ 9556.497553][ T10] ret_from_fork_asm+0x1a/0x30 [ 9556.497553][ T10] [ 9556.499512][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9556.499512][ T10] netdev_get_by_index+0x5e/0x80 [ 9556.499512][ T10] fib6_nh_init+0x3d8/0x1580 [ 9556.499512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9556.499512][ T10] ip6_route_add+0x1c/0x140 [ 9556.499512][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9556.499512][ T10] inet6_addr_add+0x4f8/0xa40 [ 9556.499512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9556.499512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9556.499512][ T10] netlink_rcv_skb+0x130/0x360 [ 9556.499512][ T10] netlink_unicast+0x449/0x710 [ 9556.499512][ T10] netlink_sendmsg+0x723/0xbe0 [ 9556.499512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9556.499512][ T10] ___sys_sendmsg+0xee/0x170 [ 9556.499512][ T10] __sys_sendmsg+0xcd/0x170 [ 9556.499512][ T10] do_syscall_64+0xc6/0x1e0 [ 9556.499512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9556.499512][ T10] [ 9556.501527][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9556.501527][ T10] netdev_get_by_index+0x5e/0x80 [ 9556.501527][ T10] fib6_nh_init+0x3d8/0x1580 [ 9556.501527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9556.501527][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9556.501527][ T10] ipv6_add_addr+0x411/0x2000 [ 9556.501527][ T10] inet6_addr_add+0x30e/0xa40 [ 9556.501527][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9556.501527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9556.501527][ T10] netlink_rcv_skb+0x130/0x360 [ 9556.501527][ T10] netlink_unicast+0x449/0x710 [ 9556.501527][ T10] netlink_sendmsg+0x723/0xbe0 [ 9556.501527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9556.501527][ T10] ___sys_sendmsg+0xee/0x170 [ 9556.501527][ T10] __sys_sendmsg+0xcd/0x170 [ 9556.501527][ T10] do_syscall_64+0xc6/0x1e0 [ 9556.501527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9556.501527][ T10] [ 9556.503569][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9556.503569][ T10] netdev_get_by_index+0x5e/0x80 [ 9556.503569][ T10] fib6_nh_init+0x3d8/0x1580 [ 9556.503569][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9556.503569][ T10] ip6_route_add+0x1c/0x140 [ 9556.503569][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9556.503569][ T10] addrconf_add_dev+0xe2/0x170 [ 9556.503569][ T10] inet6_addr_add+0x12f/0xa40 [ 9556.503569][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9556.503569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9556.503569][ T10] netlink_rcv_skb+0x130/0x360 [ 9556.503569][ T10] netlink_unicast+0x449/0x710 [ 9556.503569][ T10] netlink_sendmsg+0x723/0xbe0 [ 9556.503569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9556.503569][ T10] ___sys_sendmsg+0xee/0x170 [ 9556.503569][ T10] __sys_sendmsg+0xcd/0x170 [ 9556.503569][ T10] do_syscall_64+0xc6/0x1e0 [ 9556.503569][ T10] [ 9556.505545][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9556.505545][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9556.505545][ T10] ipv6_find_idev+0x102/0x170 [ 9556.505545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9556.505545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9556.505545][ T10] netlink_rcv_skb+0x130/0x360 [ 9556.505545][ T10] netlink_unicast+0x449/0x710 [ 9556.505545][ T10] netlink_sendmsg+0x723/0xbe0 [ 9556.505545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9556.505545][ T10] ___sys_sendmsg+0xee/0x170 [ 9556.505545][ T10] __sys_sendmsg+0xcd/0x170 [ 9556.505545][ T10] do_syscall_64+0xc6/0x1e0 [ 9556.505545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9556.505545][ T10] [ 9556.507096][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9556.507096][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9556.507096][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9556.507096][ T10] ipv6_find_idev+0x102/0x170 [ 9556.507096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9556.507096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9556.507096][ T10] netlink_rcv_skb+0x130/0x360 [ 9556.507096][ T10] netlink_unicast+0x449/0x710 [ 9556.507096][ T10] netlink_sendmsg+0x723/0xbe0 [ 9556.507096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9556.507096][ T10] ___sys_sendmsg+0xee/0x170 [ 9556.507096][ T10] __sys_sendmsg+0xcd/0x170 [ 9556.507096][ T10] do_syscall_64+0xc6/0x1e0 [ 9556.507096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9556.507096][ T10] [ 9556.508800][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9556.509045][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9556.509045][ T10] netdev_get_by_index+0x5e/0x80 [ 9556.509045][ T10] fib6_nh_init+0x3d8/0x1580 [ 9556.509045][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9556.509045][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9556.509045][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9556.509045][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9556.509045][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9556.509045][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9556.509045][ T10] addrconf_dad_begin+0x310/0x670 [ 9556.509045][ T10] addrconf_dad_work+0x10b/0xab0 [ 9556.509045][ T10] process_one_work+0x84d/0x18a0 [ 9556.509045][ T10] worker_thread+0x587/0xd30 [ 9556.509045][ T10] kthread+0x28a/0x350 [ 9556.509045][ T10] ret_from_fork+0x31/0x70 [ 9556.509045][ T10] ret_from_fork_asm+0x1a/0x30 [ 9556.509045][ T10] [ 9556.510961][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9556.510961][ T10] netdev_get_by_index+0x5e/0x80 [ 9556.510961][ T10] fib6_nh_init+0x3d8/0x1580 [ 9556.510961][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9556.510961][ T10] ip6_route_add+0x1c/0x140 [ 9556.510961][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9556.510961][ T10] inet6_addr_add+0x4f8/0xa40 [ 9556.510961][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9556.510961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9556.510961][ T10] netlink_rcv_skb+0x130/0x360 [ 9556.510961][ T10] netlink_unicast+0x449/0x710 [ 9556.510961][ T10] netlink_sendmsg+0x723/0xbe0 [ 9556.510961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9556.510961][ T10] ___sys_sendmsg+0xee/0x170 [ 9556.510961][ T10] __sys_sendmsg+0xcd/0x170 [ 9556.510961][ T10] do_syscall_64+0xc6/0x1e0 [ 9556.510961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9556.510961][ T10] [ 9556.512974][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9556.512974][ T10] netdev_get_by_index+0x5e/0x80 [ 9556.512974][ T10] fib6_nh_init+0x3d8/0x1580 [ 9556.512974][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9556.512974][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9556.512974][ T10] ipv6_add_addr+0x411/0x2000 [ 9556.512974][ T10] inet6_addr_add+0x30e/0xa40 [ 9556.512974][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9556.512974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9556.512974][ T10] netlink_rcv_skb+0x130/0x360 [ 9556.512974][ T10] netlink_unicast+0x449/0x710 [ 9556.512974][ T10] netlink_sendmsg+0x723/0xbe0 [ 9556.512974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9556.512974][ T10] ___sys_sendmsg+0xee/0x170 [ 9556.512974][ T10] __sys_sendmsg+0xcd/0x170 [ 9556.512974][ T10] do_syscall_64+0xc6/0x1e0 [ 9556.512974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9556.512974][ T10] [ 9556.514999][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9556.514999][ T10] netdev_get_by_index+0x5e/0x80 [ 9556.514999][ T10] fib6_nh_init+0x3d8/0x1580 [ 9556.514999][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9556.514999][ T10] ip6_route_add+0x1c/0x140 [ 9556.514999][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9556.514999][ T10] addrconf_add_dev+0xe2/0x170 [ 9556.514999][ T10] inet6_addr_add+0x12f/0xa40 [ 9556.514999][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9556.514999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9556.514999][ T10] netlink_rcv_skb+0x130/0x360 [ 9556.514999][ T10] netlink_unicast+0x449/0x710 [ 9556.514999][ T10] netlink_sendmsg+0x723/0xbe0 [ 9556.514999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9556.514999][ T10] ___sys_sendmsg+0xee/0x170 [ 9556.514999][ T10] __sys_sendmsg+0xcd/0x170 [ 9556.514999][ T10] do_syscall_64+0xc6/0x1e0 [ 9556.514999][ T10] [ 9556.516972][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9556.516972][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9556.516972][ T10] ipv6_find_idev+0x102/0x170 [ 9556.516972][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9556.516972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9556.516972][ T10] netlink_rcv_skb+0x130/0x360 [ 9556.516972][ T10] netlink_unicast+0x449/0x710 [ 9556.516972][ T10] netlink_sendmsg+0x723/0xbe0 [ 9556.516972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9556.516972][ T10] ___sys_sendmsg+0xee/0x170 [ 9556.516972][ T10] __sys_sendmsg+0xcd/0x170 [ 9556.516972][ T10] do_syscall_64+0xc6/0x1e0 [ 9556.516972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9556.516972][ T10] [ 9556.518519][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9556.518519][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9556.518519][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9556.518519][ T10] ipv6_find_idev+0x102/0x170 [ 9556.518519][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9556.518519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9556.518519][ T10] netlink_rcv_skb+0x130/0x360 [ 9556.518519][ T10] netlink_unicast+0x449/0x710 [ 9556.518519][ T10] netlink_sendmsg+0x723/0xbe0 [ 9556.518519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9556.518519][ T10] ___sys_sendmsg+0xee/0x170 [ 9556.518519][ T10] __sys_sendmsg+0xcd/0x170 [ 9556.518519][ T10] do_syscall_64+0xc6/0x1e0 [ 9556.518519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9556.518519][ T10] [ 9556.520215][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9556.520455][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9556.520455][ T10] netdev_get_by_index+0x5e/0x80 [ 9556.520455][ T10] fib6_nh_init+0x3d8/0x1580 [ 9556.520455][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9556.520455][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9556.520455][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9556.520455][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9556.520455][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9556.520455][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9556.520455][ T10] addrconf_dad_begin+0x310/0x670 [ 9556.520455][ T10] addrconf_dad_work+0x10b/0xab0 [ 9556.520455][ T10] process_one_work+0x84d/0x18a0 [ 9556.520455][ T10] worker_thread+0x587/0xd30 [ 9556.520455][ T10] kthread+0x28a/0x350 [ 9556.520455][ T10] ret_from_fork+0x31/0x70 [ 9556.520455][ T10] ret_from_fork_asm+0x1a/0x30 [ 9556.520455][ T10] [ 9556.522369][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9556.522369][ T10] netdev_get_by_index+0x5e/0x80 [ 9556.522369][ T10] fib6_nh_init+0x3d8/0x1580 [ 9556.522369][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9556.522369][ T10] ip6_route_add+0x1c/0x140 [ 9556.522369][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9556.522369][ T10] inet6_addr_add+0x4f8/0xa40 [ 9556.522369][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9556.522369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9556.522369][ T10] netlink_rcv_skb+0x130/0x360 [ 9556.522369][ T10] netlink_unicast+0x449/0x710 [ 9556.522369][ T10] netlink_sendmsg+0x723/0xbe0 [ 9556.522369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9556.522369][ T10] ___sys_sendmsg+0xee/0x170 [ 9556.522369][ T10] __sys_sendmsg+0xcd/0x170 [ 9556.522369][ T10] do_syscall_64+0xc6/0x1e0 [ 9556.522369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9556.522369][ T10] [ 9556.524561][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9556.524561][ T10] netdev_get_by_index+0x5e/0x80 [ 9556.524561][ T10] fib6_nh_init+0x3d8/0x1580 [ 9556.524561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9556.524561][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9556.524561][ T10] ipv6_add_addr+0x411/0x2000 [ 9556.524561][ T10] inet6_addr_add+0x30e/0xa40 [ 9556.524561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9556.524561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9556.524561][ T10] netlink_rcv_skb+0x130/0x360 [ 9556.524561][ T10] netlink_unicast+0x449/0x710 [ 9556.524561][ T10] netlink_sendmsg+0x723/0xbe0 [ 9556.524561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9556.524561][ T10] ___sys_sendmsg+0xee/0x170 [ 9556.524561][ T10] __sys_sendmsg+0xcd/0x170 [ 9556.524561][ T10] do_syscall_64+0xc6/0x1e0 [ 9556.524561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9556.524561][ T10] [ 9556.526808][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9556.526808][ T10] netdev_get_by_index+0x5e/0x80 [ 9556.526808][ T10] fib6_nh_init+0x3d8/0x1580 [ 9556.526808][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9556.526808][ T10] ip6_route_add+0x1c/0x140 [ 9556.526808][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9556.526808][ T10] addrconf_add_dev+0xe2/0x170 [ 9556.526808][ T10] inet6_addr_add+0x12f/0xa40 [ 9556.526808][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9556.526808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9556.526808][ T10] netlink_rcv_skb+0x130/0x360 [ 9556.526808][ T10] netlink_unicast+0x449/0x710 [ 9556.526808][ T10] netlink_sendmsg+0x723/0xbe0 [ 9556.526808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9556.526808][ T10] ___sys_sendmsg+0xee/0x170 [ 9556.526808][ T10] __sys_sendmsg+0xcd/0x170 [ 9556.526808][ T10] do_syscall_64+0xc6/0x1e0 [ 9556.526808][ T10] [ 9556.528960][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9556.528960][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9556.528960][ T10] ipv6_find_idev+0x102/0x170 [ 9556.528960][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9556.528960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9556.528960][ T10] netlink_rcv_skb+0x130/0x360 [ 9556.528960][ T10] netlink_unicast+0x449/0x710 [ 9556.528960][ T10] netlink_sendmsg+0x723/0xbe0 [ 9556.528960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9556.528960][ T10] ___sys_sendmsg+0xee/0x170 [ 9556.528960][ T10] __sys_sendmsg+0xcd/0x170 [ 9556.528960][ T10] do_syscall_64+0xc6/0x1e0 [ 9556.528960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9556.528960][ T10] [ 9556.530628][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9556.530628][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9556.530628][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9556.530628][ T10] ipv6_find_idev+0x102/0x170 [ 9556.530628][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9556.530628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9556.530628][ T10] netlink_rcv_skb+0x130/0x360 [ 9556.530628][ T10] netlink_unicast+0x449/0x710 [ 9556.530628][ T10] netlink_sendmsg+0x723/0xbe0 [ 9556.530628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9556.530628][ T10] ___sys_sendmsg+0xee/0x170 [ 9556.530628][ T10] __sys_sendmsg+0xcd/0x170 [ 9556.530628][ T10] do_syscall_64+0xc6/0x1e0 [ 9556.530628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9556.530628][ T10] [ 9556.532572][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9556.532809][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9556.532809][ T10] netdev_get_by_index+0x5e/0x80 [ 9556.532809][ T10] fib6_nh_init+0x3d8/0x1580 [ 9556.532809][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9556.532809][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9556.532809][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9556.532809][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9556.532809][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9556.532809][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9556.532809][ T10] addrconf_dad_begin+0x310/0x670 [ 9556.532809][ T10] addrconf_dad_work+0x10b/0xab0 [ 9556.532809][ T10] process_one_work+0x84d/0x18a0 [ 9556.532809][ T10] worker_thread+0x587/0xd30 [ 9556.532809][ T10] kthread+0x28a/0x350 [ 9556.532809][ T10] ret_from_fork+0x31/0x70 [ 9556.532809][ T10] ret_from_fork_asm+0x1a/0x30 [ 9556.532809][ T10] [ 9556.534991][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9556.534991][ T10] netdev_get_by_index+0x5e/0x80 [ 9556.534991][ T10] fib6_nh_init+0x3d8/0x1580 [ 9556.534991][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9556.534991][ T10] ip6_route_add+0x1c/0x140 [ 9556.534991][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9556.534991][ T10] inet6_addr_add+0x4f8/0xa40 [ 9556.534991][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9556.534991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9556.534991][ T10] netlink_rcv_skb+0x130/0x360 [ 9556.534991][ T10] netlink_unicast+0x449/0x710 [ 9556.534991][ T10] netlink_sendmsg+0x723/0xbe0 [ 9556.534991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9556.534991][ T10] ___sys_sendmsg+0xee/0x170 [ 9556.534991][ T10] __sys_sendmsg+0xcd/0x170 [ 9556.534991][ T10] do_syscall_64+0xc6/0x1e0 [ 9556.534991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9556.534991][ T10] [ 9556.537171][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9556.537171][ T10] netdev_get_by_index+0x5e/0x80 [ 9556.537171][ T10] fib6_nh_init+0x3d8/0x1580 [ 9556.537171][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9556.537171][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9556.537171][ T10] ipv6_add_addr+0x411/0x2000 [ 9556.537171][ T10] inet6_addr_add+0x30e/0xa40 [ 9556.537171][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9556.537171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9556.537171][ T10] netlink_rcv_skb+0x130/0x360 [ 9556.537171][ T10] netlink_unicast+0x449/0x710 [ 9556.537171][ T10] netlink_sendmsg+0x723/0xbe0 [ 9556.537171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9556.537171][ T10] ___sys_sendmsg+0xee/0x170 [ 9556.537171][ T10] __sys_sendmsg+0xcd/0x170 [ 9556.537171][ T10] do_syscall_64+0xc6/0x1e0 [ 9556.537171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9556.537171][ T10] [ 9556.539408][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9556.539408][ T10] netdev_get_by_index+0x5e/0x80 [ 9556.539408][ T10] fib6_nh_init+0x3d8/0x1580 [ 9556.539408][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9556.539408][ T10] ip6_route_add+0x1c/0x140 [ 9556.539408][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9556.539408][ T10] addrconf_add_dev+0xe2/0x170 [ 9556.539408][ T10] inet6_addr_add+0x12f/0xa40 [ 9556.539408][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9556.539408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9556.539408][ T10] netlink_rcv_skb+0x130/0x360 [ 9556.539408][ T10] netlink_unicast+0x449/0x710 [ 9556.539408][ T10] netlink_sendmsg+0x723/0xbe0 [ 9556.539408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9556.539408][ T10] ___sys_sendmsg+0xee/0x170 [ 9556.539408][ T10] __sys_sendmsg+0xcd/0x170 [ 9556.539408][ T10] do_syscall_64+0xc6/0x1e0 [ 9556.539408][ T10] [ 9556.541688][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9556.541688][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9556.541688][ T10] ipv6_find_idev+0x102/0x170 [ 9556.541688][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9556.541688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9556.541688][ T10] netlink_rcv_skb+0x130/0x360 [ 9556.541688][ T10] netlink_unicast+0x449/0x710 [ 9556.541688][ T10] netlink_sendmsg+0x723/0xbe0 [ 9556.541688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9556.541688][ T10] ___sys_sendmsg+0xee/0x170 [ 9556.541688][ T10] __sys_sendmsg+0xcd/0x170 [ 9556.541688][ T10] do_syscall_64+0xc6/0x1e0 [ 9556.541688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9556.541688][ T10] [ 9556.543416][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9556.543416][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9556.543416][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9556.543416][ T10] ipv6_find_idev+0x102/0x170 [ 9556.543416][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9556.543416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9556.543416][ T10] netlink_rcv_skb+0x130/0x360 [ 9556.543416][ T10] netlink_unicast+0x449/0x710 [ 9556.543416][ T10] netlink_sendmsg+0x723/0xbe0 [ 9556.543416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9556.543416][ T10] ___sys_sendmsg+0xee/0x170 [ 9556.543416][ T10] __sys_sendmsg+0xcd/0x170 [ 9556.543416][ T10] do_syscall_64+0xc6/0x1e0 [ 9556.543416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9556.543416][ T10] [ 9560.393100][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9560.393585][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9560.393585][ T1167] dst_init+0x84/0x4a0 [ 9560.393585][ T1167] dst_alloc+0x97/0x150 [ 9560.393585][ T1167] ip6_dst_alloc+0x23/0x90 [ 9560.393585][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9560.393585][ T1167] ip6_pol_route+0x56f/0x840 [ 9560.393585][ T1167] fib6_rule_lookup+0x334/0x630 [ 9560.393585][ T1167] ip6_route_output_flags+0x259/0x480 [ 9560.393585][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9560.393585][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9560.393585][ T1167] netlink_rcv_skb+0x130/0x360 [ 9560.393585][ T1167] netlink_unicast+0x449/0x710 [ 9560.393585][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9560.393585][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9560.393585][ T1167] ___sys_sendmsg+0xee/0x170 [ 9560.393585][ T1167] __sys_sendmsg+0xcd/0x170 [ 9560.393585][ T1167] do_syscall_64+0xc6/0x1e0 [ 9560.393585][ T1167] [ 9560.395774][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9560.395774][ T1167] netdev_get_by_index+0x5e/0x80 [ 9560.395774][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9560.395774][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9560.395774][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9560.395774][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9560.395774][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9560.395774][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9560.395774][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9560.395774][ T1167] addrconf_dad_begin+0x310/0x670 [ 9560.395774][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9560.395774][ T1167] process_one_work+0x84d/0x18a0 [ 9560.395774][ T1167] worker_thread+0x587/0xd30 [ 9560.395774][ T1167] kthread+0x28a/0x350 [ 9560.395774][ T1167] ret_from_fork+0x31/0x70 [ 9560.395774][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9560.395774][ T1167] [ 9560.397904][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9560.397904][ T1167] netdev_get_by_index+0x5e/0x80 [ 9560.397904][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9560.397904][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9560.397904][ T1167] ip6_route_add+0x1c/0x140 [ 9560.397904][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9560.397904][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9560.397904][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9560.397904][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9560.397904][ T1167] netlink_rcv_skb+0x130/0x360 [ 9560.397904][ T1167] netlink_unicast+0x449/0x710 [ 9560.397904][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9560.397904][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9560.397904][ T1167] ___sys_sendmsg+0xee/0x170 [ 9560.397904][ T1167] __sys_sendmsg+0xcd/0x170 [ 9560.397904][ T1167] do_syscall_64+0xc6/0x1e0 [ 9560.397904][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9560.397904][ T1167] [ 9560.400167][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9560.400167][ T1167] netdev_get_by_index+0x5e/0x80 [ 9560.400167][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9560.400167][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9560.400167][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9560.400167][ T1167] ipv6_add_addr+0x411/0x2000 [ 9560.400167][ T1167] inet6_addr_add+0x30e/0xa40 [ 9560.400167][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9560.400167][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9560.400167][ T1167] netlink_rcv_skb+0x130/0x360 [ 9560.400167][ T1167] netlink_unicast+0x449/0x710 [ 9560.400167][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9560.400167][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9560.400167][ T1167] ___sys_sendmsg+0xee/0x170 [ 9560.400167][ T1167] __sys_sendmsg+0xcd/0x170 [ 9560.400167][ T1167] do_syscall_64+0xc6/0x1e0 [ 9560.400167][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9560.400167][ T1167] [ 9560.402399][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9560.402399][ T1167] netdev_get_by_index+0x5e/0x80 [ 9560.402399][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9560.402399][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9560.402399][ T1167] ip6_route_add+0x1c/0x140 [ 9560.402399][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9560.402399][ T1167] addrconf_add_dev+0xe2/0x170 [ 9560.402399][ T1167] inet6_addr_add+0x12f/0xa40 [ 9560.402399][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9560.402399][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9560.402399][ T1167] netlink_rcv_skb+0x130/0x360 [ 9560.402399][ T1167] netlink_unicast+0x449/0x710 [ 9560.402399][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9560.402399][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9560.402399][ T1167] ___sys_sendmsg+0xee/0x170 [ 9560.402399][ T1167] __sys_sendmsg+0xcd/0x170 [ 9560.402399][ T1167] do_syscall_64+0xc6/0x1e0 [ 9560.402399][ T1167] [ 9560.404601][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9560.404601][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9560.404601][ T1167] ipv6_find_idev+0x102/0x170 [ 9560.404601][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9560.404601][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9560.404601][ T1167] netlink_rcv_skb+0x130/0x360 [ 9560.404601][ T1167] netlink_unicast+0x449/0x710 [ 9560.404601][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9560.404601][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9560.404601][ T1167] ___sys_sendmsg+0xee/0x170 [ 9560.404601][ T1167] __sys_sendmsg+0xcd/0x170 [ 9560.404601][ T1167] do_syscall_64+0xc6/0x1e0 [ 9560.404601][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9560.404601][ T1167] [ 9560.406323][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9560.406323][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9560.406323][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9560.406323][ T1167] ipv6_find_idev+0x102/0x170 [ 9560.406323][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9560.406323][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9560.406323][ T1167] netlink_rcv_skb+0x130/0x360 [ 9560.406323][ T1167] netlink_unicast+0x449/0x710 [ 9560.406323][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9560.406323][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9560.406323][ T1167] ___sys_sendmsg+0xee/0x170 [ 9560.406323][ T1167] __sys_sendmsg+0xcd/0x170 [ 9560.406323][ T1167] do_syscall_64+0xc6/0x1e0 [ 9560.406323][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9560.406323][ T1167] [ 9566.785106][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9566.785535][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9566.785535][ T10] netdev_get_by_index+0x5e/0x80 [ 9566.785535][ T10] fib6_nh_init+0x3d8/0x1580 [ 9566.785535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9566.785535][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9566.785535][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9566.785535][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9566.785535][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9566.785535][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9566.785535][ T10] addrconf_dad_begin+0x310/0x670 [ 9566.785535][ T10] addrconf_dad_work+0x10b/0xab0 [ 9566.785535][ T10] process_one_work+0x84d/0x18a0 [ 9566.785535][ T10] worker_thread+0x587/0xd30 [ 9566.785535][ T10] kthread+0x28a/0x350 [ 9566.785535][ T10] ret_from_fork+0x31/0x70 [ 9566.785535][ T10] ret_from_fork_asm+0x1a/0x30 [ 9566.785535][ T10] [ 9566.787490][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9566.787490][ T10] netdev_get_by_index+0x5e/0x80 [ 9566.787490][ T10] fib6_nh_init+0x3d8/0x1580 [ 9566.787490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9566.787490][ T10] ip6_route_add+0x1c/0x140 [ 9566.787490][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9566.787490][ T10] inet6_addr_add+0x4f8/0xa40 [ 9566.787490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9566.787490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9566.787490][ T10] netlink_rcv_skb+0x130/0x360 [ 9566.787490][ T10] netlink_unicast+0x449/0x710 [ 9566.787490][ T10] netlink_sendmsg+0x723/0xbe0 [ 9566.787490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9566.787490][ T10] ___sys_sendmsg+0xee/0x170 [ 9566.787490][ T10] __sys_sendmsg+0xcd/0x170 [ 9566.787490][ T10] do_syscall_64+0xc6/0x1e0 [ 9566.787490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9566.787490][ T10] [ 9566.789508][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9566.789508][ T10] netdev_get_by_index+0x5e/0x80 [ 9566.789508][ T10] fib6_nh_init+0x3d8/0x1580 [ 9566.789508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9566.789508][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9566.789508][ T10] ipv6_add_addr+0x411/0x2000 [ 9566.789508][ T10] inet6_addr_add+0x30e/0xa40 [ 9566.789508][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9566.789508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9566.789508][ T10] netlink_rcv_skb+0x130/0x360 [ 9566.789508][ T10] netlink_unicast+0x449/0x710 [ 9566.789508][ T10] netlink_sendmsg+0x723/0xbe0 [ 9566.789508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9566.789508][ T10] ___sys_sendmsg+0xee/0x170 [ 9566.789508][ T10] __sys_sendmsg+0xcd/0x170 [ 9566.789508][ T10] do_syscall_64+0xc6/0x1e0 [ 9566.789508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9566.789508][ T10] [ 9566.791519][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9566.791519][ T10] netdev_get_by_index+0x5e/0x80 [ 9566.791519][ T10] fib6_nh_init+0x3d8/0x1580 [ 9566.791519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9566.791519][ T10] ip6_route_add+0x1c/0x140 [ 9566.791519][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9566.791519][ T10] addrconf_add_dev+0xe2/0x170 [ 9566.791519][ T10] inet6_addr_add+0x12f/0xa40 [ 9566.791519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9566.791519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9566.791519][ T10] netlink_rcv_skb+0x130/0x360 [ 9566.791519][ T10] netlink_unicast+0x449/0x710 [ 9566.791519][ T10] netlink_sendmsg+0x723/0xbe0 [ 9566.791519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9566.791519][ T10] ___sys_sendmsg+0xee/0x170 [ 9566.791519][ T10] __sys_sendmsg+0xcd/0x170 [ 9566.791519][ T10] do_syscall_64+0xc6/0x1e0 [ 9566.791519][ T10] [ 9566.793509][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9566.793509][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9566.793509][ T10] ipv6_find_idev+0x102/0x170 [ 9566.793509][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9566.793509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9566.793509][ T10] netlink_rcv_skb+0x130/0x360 [ 9566.793509][ T10] netlink_unicast+0x449/0x710 [ 9566.793509][ T10] netlink_sendmsg+0x723/0xbe0 [ 9566.793509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9566.793509][ T10] ___sys_sendmsg+0xee/0x170 [ 9566.793509][ T10] __sys_sendmsg+0xcd/0x170 [ 9566.793509][ T10] do_syscall_64+0xc6/0x1e0 [ 9566.793509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9566.793509][ T10] [ 9566.795053][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9566.795053][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9566.795053][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9566.795053][ T10] ipv6_find_idev+0x102/0x170 [ 9566.795053][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9566.795053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9566.795053][ T10] netlink_rcv_skb+0x130/0x360 [ 9566.795053][ T10] netlink_unicast+0x449/0x710 [ 9566.795053][ T10] netlink_sendmsg+0x723/0xbe0 [ 9566.795053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9566.795053][ T10] ___sys_sendmsg+0xee/0x170 [ 9566.795053][ T10] __sys_sendmsg+0xcd/0x170 [ 9566.795053][ T10] do_syscall_64+0xc6/0x1e0 [ 9566.795053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9566.795053][ T10] [ 9566.796759][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9566.797005][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9566.797005][ T10] netdev_get_by_index+0x5e/0x80 [ 9566.797005][ T10] fib6_nh_init+0x3d8/0x1580 [ 9566.797005][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9566.797005][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9566.797005][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9566.797005][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9566.797005][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9566.797005][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9566.797005][ T10] addrconf_dad_begin+0x310/0x670 [ 9566.797005][ T10] addrconf_dad_work+0x10b/0xab0 [ 9566.797005][ T10] process_one_work+0x84d/0x18a0 [ 9566.797005][ T10] worker_thread+0x587/0xd30 [ 9566.797005][ T10] kthread+0x28a/0x350 [ 9566.797005][ T10] ret_from_fork+0x31/0x70 [ 9566.797005][ T10] ret_from_fork_asm+0x1a/0x30 [ 9566.797005][ T10] [ 9566.798922][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9566.798922][ T10] netdev_get_by_index+0x5e/0x80 [ 9566.798922][ T10] fib6_nh_init+0x3d8/0x1580 [ 9566.798922][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9566.798922][ T10] ip6_route_add+0x1c/0x140 [ 9566.798922][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9566.798922][ T10] inet6_addr_add+0x4f8/0xa40 [ 9566.798922][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9566.798922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9566.798922][ T10] netlink_rcv_skb+0x130/0x360 [ 9566.798922][ T10] netlink_unicast+0x449/0x710 [ 9566.798922][ T10] netlink_sendmsg+0x723/0xbe0 [ 9566.798922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9566.798922][ T10] ___sys_sendmsg+0xee/0x170 [ 9566.798922][ T10] __sys_sendmsg+0xcd/0x170 [ 9566.798922][ T10] do_syscall_64+0xc6/0x1e0 [ 9566.798922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9566.798922][ T10] [ 9566.800934][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9566.800934][ T10] netdev_get_by_index+0x5e/0x80 [ 9566.800934][ T10] fib6_nh_init+0x3d8/0x1580 [ 9566.800934][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9566.800934][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9566.800934][ T10] ipv6_add_addr+0x411/0x2000 [ 9566.800934][ T10] inet6_addr_add+0x30e/0xa40 [ 9566.800934][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9566.800934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9566.800934][ T10] netlink_rcv_skb+0x130/0x360 [ 9566.800934][ T10] netlink_unicast+0x449/0x710 [ 9566.800934][ T10] netlink_sendmsg+0x723/0xbe0 [ 9566.800934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9566.800934][ T10] ___sys_sendmsg+0xee/0x170 [ 9566.800934][ T10] __sys_sendmsg+0xcd/0x170 [ 9566.800934][ T10] do_syscall_64+0xc6/0x1e0 [ 9566.800934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9566.800934][ T10] [ 9566.802936][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9566.802936][ T10] netdev_get_by_index+0x5e/0x80 [ 9566.802936][ T10] fib6_nh_init+0x3d8/0x1580 [ 9566.802936][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9566.802936][ T10] ip6_route_add+0x1c/0x140 [ 9566.802936][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9566.802936][ T10] addrconf_add_dev+0xe2/0x170 [ 9566.802936][ T10] inet6_addr_add+0x12f/0xa40 [ 9566.802936][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9566.802936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9566.802936][ T10] netlink_rcv_skb+0x130/0x360 [ 9566.802936][ T10] netlink_unicast+0x449/0x710 [ 9566.802936][ T10] netlink_sendmsg+0x723/0xbe0 [ 9566.802936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9566.802936][ T10] ___sys_sendmsg+0xee/0x170 [ 9566.802936][ T10] __sys_sendmsg+0xcd/0x170 [ 9566.802936][ T10] do_syscall_64+0xc6/0x1e0 [ 9566.802936][ T10] [ 9566.804916][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9566.804916][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9566.804916][ T10] ipv6_find_idev+0x102/0x170 [ 9566.804916][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9566.804916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9566.804916][ T10] netlink_rcv_skb+0x130/0x360 [ 9566.804916][ T10] netlink_unicast+0x449/0x710 [ 9566.804916][ T10] netlink_sendmsg+0x723/0xbe0 [ 9566.804916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9566.804916][ T10] ___sys_sendmsg+0xee/0x170 [ 9566.804916][ T10] __sys_sendmsg+0xcd/0x170 [ 9566.804916][ T10] do_syscall_64+0xc6/0x1e0 [ 9566.804916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9566.804916][ T10] [ 9566.806484][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9566.806484][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9566.806484][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9566.806484][ T10] ipv6_find_idev+0x102/0x170 [ 9566.806484][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9566.806484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9566.806484][ T10] netlink_rcv_skb+0x130/0x360 [ 9566.806484][ T10] netlink_unicast+0x449/0x710 [ 9566.806484][ T10] netlink_sendmsg+0x723/0xbe0 [ 9566.806484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9566.806484][ T10] ___sys_sendmsg+0xee/0x170 [ 9566.806484][ T10] __sys_sendmsg+0xcd/0x170 [ 9566.806484][ T10] do_syscall_64+0xc6/0x1e0 [ 9566.806484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9566.806484][ T10] [ 9566.808180][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9566.808417][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9566.808417][ T10] netdev_get_by_index+0x5e/0x80 [ 9566.808417][ T10] fib6_nh_init+0x3d8/0x1580 [ 9566.808417][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9566.808417][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9566.808417][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9566.808417][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9566.808417][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9566.808417][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9566.808417][ T10] addrconf_dad_begin+0x310/0x670 [ 9566.808417][ T10] addrconf_dad_work+0x10b/0xab0 [ 9566.808417][ T10] process_one_work+0x84d/0x18a0 [ 9566.808417][ T10] worker_thread+0x587/0xd30 [ 9566.808417][ T10] kthread+0x28a/0x350 [ 9566.808417][ T10] ret_from_fork+0x31/0x70 [ 9566.808417][ T10] ret_from_fork_asm+0x1a/0x30 [ 9566.808417][ T10] [ 9566.810347][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9566.810347][ T10] netdev_get_by_index+0x5e/0x80 [ 9566.810347][ T10] fib6_nh_init+0x3d8/0x1580 [ 9566.810347][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9566.810347][ T10] ip6_route_add+0x1c/0x140 [ 9566.810347][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9566.810347][ T10] inet6_addr_add+0x4f8/0xa40 [ 9566.810347][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9566.810347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9566.810347][ T10] netlink_rcv_skb+0x130/0x360 [ 9566.810347][ T10] netlink_unicast+0x449/0x710 [ 9566.810347][ T10] netlink_sendmsg+0x723/0xbe0 [ 9566.810347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9566.810347][ T10] ___sys_sendmsg+0xee/0x170 [ 9566.810347][ T10] __sys_sendmsg+0xcd/0x170 [ 9566.810347][ T10] do_syscall_64+0xc6/0x1e0 [ 9566.810347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9566.810347][ T10] [ 9566.812541][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9566.812541][ T10] netdev_get_by_index+0x5e/0x80 [ 9566.812541][ T10] fib6_nh_init+0x3d8/0x1580 [ 9566.812541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9566.812541][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9566.812541][ T10] ipv6_add_addr+0x411/0x2000 [ 9566.812541][ T10] inet6_addr_add+0x30e/0xa40 [ 9566.812541][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9566.812541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9566.812541][ T10] netlink_rcv_skb+0x130/0x360 [ 9566.812541][ T10] netlink_unicast+0x449/0x710 [ 9566.812541][ T10] netlink_sendmsg+0x723/0xbe0 [ 9566.812541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9566.812541][ T10] ___sys_sendmsg+0xee/0x170 [ 9566.812541][ T10] __sys_sendmsg+0xcd/0x170 [ 9566.812541][ T10] do_syscall_64+0xc6/0x1e0 [ 9566.812541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9566.812541][ T10] [ 9566.815336][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9566.815336][ T10] netdev_get_by_index+0x5e/0x80 [ 9566.815336][ T10] fib6_nh_init+0x3d8/0x1580 [ 9566.815336][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9566.815336][ T10] ip6_route_add+0x1c/0x140 [ 9566.815336][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9566.815336][ T10] addrconf_add_dev+0xe2/0x170 [ 9566.815336][ T10] inet6_addr_add+0x12f/0xa40 [ 9566.815336][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9566.815336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9566.815336][ T10] netlink_rcv_skb+0x130/0x360 [ 9566.815336][ T10] netlink_unicast+0x449/0x710 [ 9566.815336][ T10] netlink_sendmsg+0x723/0xbe0 [ 9566.815336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9566.815336][ T10] ___sys_sendmsg+0xee/0x170 [ 9566.815336][ T10] __sys_sendmsg+0xcd/0x170 [ 9566.815336][ T10] do_syscall_64+0xc6/0x1e0 [ 9566.815336][ T10] [ 9566.817494][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9566.817494][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9566.817494][ T10] ipv6_find_idev+0x102/0x170 [ 9566.817494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9566.817494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9566.817494][ T10] netlink_rcv_skb+0x130/0x360 [ 9566.817494][ T10] netlink_unicast+0x449/0x710 [ 9566.817494][ T10] netlink_sendmsg+0x723/0xbe0 [ 9566.817494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9566.817494][ T10] ___sys_sendmsg+0xee/0x170 [ 9566.817494][ T10] __sys_sendmsg+0xcd/0x170 [ 9566.817494][ T10] do_syscall_64+0xc6/0x1e0 [ 9566.817494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9566.817494][ T10] [ 9566.819159][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9566.819159][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9566.819159][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9566.819159][ T10] ipv6_find_idev+0x102/0x170 [ 9566.819159][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9566.819159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9566.819159][ T10] netlink_rcv_skb+0x130/0x360 [ 9566.819159][ T10] netlink_unicast+0x449/0x710 [ 9566.819159][ T10] netlink_sendmsg+0x723/0xbe0 [ 9566.819159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9566.819159][ T10] ___sys_sendmsg+0xee/0x170 [ 9566.819159][ T10] __sys_sendmsg+0xcd/0x170 [ 9566.819159][ T10] do_syscall_64+0xc6/0x1e0 [ 9566.819159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9566.819159][ T10] [ 9566.821098][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9566.821339][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9566.821339][ T10] netdev_get_by_index+0x5e/0x80 [ 9566.821339][ T10] fib6_nh_init+0x3d8/0x1580 [ 9566.821339][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9566.821339][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9566.821339][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9566.821339][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9566.821339][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9566.821339][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9566.821339][ T10] addrconf_dad_begin+0x310/0x670 [ 9566.821339][ T10] addrconf_dad_work+0x10b/0xab0 [ 9566.821339][ T10] process_one_work+0x84d/0x18a0 [ 9566.821339][ T10] worker_thread+0x587/0xd30 [ 9566.821339][ T10] kthread+0x28a/0x350 [ 9566.821339][ T10] ret_from_fork+0x31/0x70 [ 9566.821339][ T10] ret_from_fork_asm+0x1a/0x30 [ 9566.821339][ T10] [ 9566.823498][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9566.823498][ T10] netdev_get_by_index+0x5e/0x80 [ 9566.823498][ T10] fib6_nh_init+0x3d8/0x1580 [ 9566.823498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9566.823498][ T10] ip6_route_add+0x1c/0x140 [ 9566.823498][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9566.823498][ T10] inet6_addr_add+0x4f8/0xa40 [ 9566.823498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9566.823498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9566.823498][ T10] netlink_rcv_skb+0x130/0x360 [ 9566.823498][ T10] netlink_unicast+0x449/0x710 [ 9566.823498][ T10] netlink_sendmsg+0x723/0xbe0 [ 9566.823498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9566.823498][ T10] ___sys_sendmsg+0xee/0x170 [ 9566.823498][ T10] __sys_sendmsg+0xcd/0x170 [ 9566.823498][ T10] do_syscall_64+0xc6/0x1e0 [ 9566.823498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9566.823498][ T10] [ 9566.825679][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9566.825679][ T10] netdev_get_by_index+0x5e/0x80 [ 9566.825679][ T10] fib6_nh_init+0x3d8/0x1580 [ 9566.825679][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9566.825679][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9566.825679][ T10] ipv6_add_addr+0x411/0x2000 [ 9566.825679][ T10] inet6_addr_add+0x30e/0xa40 [ 9566.825679][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9566.825679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9566.825679][ T10] netlink_rcv_skb+0x130/0x360 [ 9566.825679][ T10] netlink_unicast+0x449/0x710 [ 9566.825679][ T10] netlink_sendmsg+0x723/0xbe0 [ 9566.825679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9566.825679][ T10] ___sys_sendmsg+0xee/0x170 [ 9566.825679][ T10] __sys_sendmsg+0xcd/0x170 [ 9566.825679][ T10] do_syscall_64+0xc6/0x1e0 [ 9566.825679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9566.825679][ T10] [ 9566.827925][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9566.827925][ T10] netdev_get_by_index+0x5e/0x80 [ 9566.827925][ T10] fib6_nh_init+0x3d8/0x1580 [ 9566.827925][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9566.827925][ T10] ip6_route_add+0x1c/0x140 [ 9566.827925][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9566.827925][ T10] addrconf_add_dev+0xe2/0x170 [ 9566.827925][ T10] inet6_addr_add+0x12f/0xa40 [ 9566.827925][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9566.827925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9566.827925][ T10] netlink_rcv_skb+0x130/0x360 [ 9566.827925][ T10] netlink_unicast+0x449/0x710 [ 9566.827925][ T10] netlink_sendmsg+0x723/0xbe0 [ 9566.827925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9566.827925][ T10] ___sys_sendmsg+0xee/0x170 [ 9566.827925][ T10] __sys_sendmsg+0xcd/0x170 [ 9566.827925][ T10] do_syscall_64+0xc6/0x1e0 [ 9566.827925][ T10] [ 9566.830149][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9566.830149][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9566.830149][ T10] ipv6_find_idev+0x102/0x170 [ 9566.830149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9566.830149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9566.830149][ T10] netlink_rcv_skb+0x130/0x360 [ 9566.830149][ T10] netlink_unicast+0x449/0x710 [ 9566.830149][ T10] netlink_sendmsg+0x723/0xbe0 [ 9566.830149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9566.830149][ T10] ___sys_sendmsg+0xee/0x170 [ 9566.830149][ T10] __sys_sendmsg+0xcd/0x170 [ 9566.830149][ T10] do_syscall_64+0xc6/0x1e0 [ 9566.830149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9566.830149][ T10] [ 9566.831885][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9566.831885][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9566.831885][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9566.831885][ T10] ipv6_find_idev+0x102/0x170 [ 9566.831885][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9566.831885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9566.831885][ T10] netlink_rcv_skb+0x130/0x360 [ 9566.831885][ T10] netlink_unicast+0x449/0x710 [ 9566.831885][ T10] netlink_sendmsg+0x723/0xbe0 [ 9566.831885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9566.831885][ T10] ___sys_sendmsg+0xee/0x170 [ 9566.831885][ T10] __sys_sendmsg+0xcd/0x170 [ 9566.831885][ T10] do_syscall_64+0xc6/0x1e0 [ 9566.831885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9566.831885][ T10] [ 9570.649101][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9570.649569][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9570.649569][ T1167] dst_init+0x84/0x4a0 [ 9570.649569][ T1167] dst_alloc+0x97/0x150 [ 9570.649569][ T1167] ip6_dst_alloc+0x23/0x90 [ 9570.649569][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9570.649569][ T1167] ip6_pol_route+0x56f/0x840 [ 9570.649569][ T1167] fib6_rule_lookup+0x334/0x630 [ 9570.649569][ T1167] ip6_route_output_flags+0x259/0x480 [ 9570.649569][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9570.649569][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9570.649569][ T1167] netlink_rcv_skb+0x130/0x360 [ 9570.649569][ T1167] netlink_unicast+0x449/0x710 [ 9570.649569][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9570.649569][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9570.649569][ T1167] ___sys_sendmsg+0xee/0x170 [ 9570.649569][ T1167] __sys_sendmsg+0xcd/0x170 [ 9570.649569][ T1167] do_syscall_64+0xc6/0x1e0 [ 9570.649569][ T1167] [ 9570.651874][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9570.651874][ T1167] netdev_get_by_index+0x5e/0x80 [ 9570.651874][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9570.651874][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9570.651874][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9570.651874][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9570.651874][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9570.651874][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9570.651874][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9570.651874][ T1167] addrconf_dad_begin+0x310/0x670 [ 9570.651874][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9570.651874][ T1167] process_one_work+0x84d/0x18a0 [ 9570.651874][ T1167] worker_thread+0x587/0xd30 [ 9570.651874][ T1167] kthread+0x28a/0x350 [ 9570.651874][ T1167] ret_from_fork+0x31/0x70 [ 9570.651874][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9570.651874][ T1167] [ 9570.654015][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9570.654015][ T1167] netdev_get_by_index+0x5e/0x80 [ 9570.654015][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9570.654015][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9570.654015][ T1167] ip6_route_add+0x1c/0x140 [ 9570.654015][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9570.654015][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9570.654015][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9570.654015][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9570.654015][ T1167] netlink_rcv_skb+0x130/0x360 [ 9570.654015][ T1167] netlink_unicast+0x449/0x710 [ 9570.654015][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9570.654015][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9570.654015][ T1167] ___sys_sendmsg+0xee/0x170 [ 9570.654015][ T1167] __sys_sendmsg+0xcd/0x170 [ 9570.654015][ T1167] do_syscall_64+0xc6/0x1e0 [ 9570.654015][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9570.654015][ T1167] [ 9570.656261][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9570.656261][ T1167] netdev_get_by_index+0x5e/0x80 [ 9570.656261][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9570.656261][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9570.656261][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9570.656261][ T1167] ipv6_add_addr+0x411/0x2000 [ 9570.656261][ T1167] inet6_addr_add+0x30e/0xa40 [ 9570.656261][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9570.656261][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9570.656261][ T1167] netlink_rcv_skb+0x130/0x360 [ 9570.656261][ T1167] netlink_unicast+0x449/0x710 [ 9570.656261][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9570.656261][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9570.656261][ T1167] ___sys_sendmsg+0xee/0x170 [ 9570.656261][ T1167] __sys_sendmsg+0xcd/0x170 [ 9570.656261][ T1167] do_syscall_64+0xc6/0x1e0 [ 9570.656261][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9570.656261][ T1167] [ 9570.658488][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9570.658488][ T1167] netdev_get_by_index+0x5e/0x80 [ 9570.658488][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9570.658488][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9570.658488][ T1167] ip6_route_add+0x1c/0x140 [ 9570.658488][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9570.658488][ T1167] addrconf_add_dev+0xe2/0x170 [ 9570.658488][ T1167] inet6_addr_add+0x12f/0xa40 [ 9570.658488][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9570.658488][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9570.658488][ T1167] netlink_rcv_skb+0x130/0x360 [ 9570.658488][ T1167] netlink_unicast+0x449/0x710 [ 9570.658488][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9570.658488][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9570.658488][ T1167] ___sys_sendmsg+0xee/0x170 [ 9570.658488][ T1167] __sys_sendmsg+0xcd/0x170 [ 9570.658488][ T1167] do_syscall_64+0xc6/0x1e0 [ 9570.658488][ T1167] [ 9570.660692][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9570.660692][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9570.660692][ T1167] ipv6_find_idev+0x102/0x170 [ 9570.660692][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9570.660692][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9570.660692][ T1167] netlink_rcv_skb+0x130/0x360 [ 9570.660692][ T1167] netlink_unicast+0x449/0x710 [ 9570.660692][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9570.660692][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9570.660692][ T1167] ___sys_sendmsg+0xee/0x170 [ 9570.660692][ T1167] __sys_sendmsg+0xcd/0x170 [ 9570.660692][ T1167] do_syscall_64+0xc6/0x1e0 [ 9570.660692][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9570.660692][ T1167] [ 9570.662407][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9570.662407][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9570.662407][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9570.662407][ T1167] ipv6_find_idev+0x102/0x170 [ 9570.662407][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9570.662407][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9570.662407][ T1167] netlink_rcv_skb+0x130/0x360 [ 9570.662407][ T1167] netlink_unicast+0x449/0x710 [ 9570.662407][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9570.662407][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9570.662407][ T1167] ___sys_sendmsg+0xee/0x170 [ 9570.662407][ T1167] __sys_sendmsg+0xcd/0x170 [ 9570.662407][ T1167] do_syscall_64+0xc6/0x1e0 [ 9570.662407][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9570.662407][ T1167] [ 9577.073114][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9577.073553][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9577.073553][ T10] netdev_get_by_index+0x5e/0x80 [ 9577.073553][ T10] fib6_nh_init+0x3d8/0x1580 [ 9577.073553][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9577.073553][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9577.073553][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9577.073553][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9577.073553][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9577.073553][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9577.073553][ T10] addrconf_dad_begin+0x310/0x670 [ 9577.073553][ T10] addrconf_dad_work+0x10b/0xab0 [ 9577.073553][ T10] process_one_work+0x84d/0x18a0 [ 9577.073553][ T10] worker_thread+0x587/0xd30 [ 9577.073553][ T10] kthread+0x28a/0x350 [ 9577.073553][ T10] ret_from_fork+0x31/0x70 [ 9577.073553][ T10] ret_from_fork_asm+0x1a/0x30 [ 9577.073553][ T10] [ 9577.075512][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9577.075512][ T10] netdev_get_by_index+0x5e/0x80 [ 9577.075512][ T10] fib6_nh_init+0x3d8/0x1580 [ 9577.075512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9577.075512][ T10] ip6_route_add+0x1c/0x140 [ 9577.075512][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9577.075512][ T10] inet6_addr_add+0x4f8/0xa40 [ 9577.075512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9577.075512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9577.075512][ T10] netlink_rcv_skb+0x130/0x360 [ 9577.075512][ T10] netlink_unicast+0x449/0x710 [ 9577.075512][ T10] netlink_sendmsg+0x723/0xbe0 [ 9577.075512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9577.075512][ T10] ___sys_sendmsg+0xee/0x170 [ 9577.075512][ T10] __sys_sendmsg+0xcd/0x170 [ 9577.075512][ T10] do_syscall_64+0xc6/0x1e0 [ 9577.075512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9577.075512][ T10] [ 9577.077537][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9577.077537][ T10] netdev_get_by_index+0x5e/0x80 [ 9577.077537][ T10] fib6_nh_init+0x3d8/0x1580 [ 9577.077537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9577.077537][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9577.077537][ T10] ipv6_add_addr+0x411/0x2000 [ 9577.077537][ T10] inet6_addr_add+0x30e/0xa40 [ 9577.077537][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9577.077537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9577.077537][ T10] netlink_rcv_skb+0x130/0x360 [ 9577.077537][ T10] netlink_unicast+0x449/0x710 [ 9577.077537][ T10] netlink_sendmsg+0x723/0xbe0 [ 9577.077537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9577.077537][ T10] ___sys_sendmsg+0xee/0x170 [ 9577.077537][ T10] __sys_sendmsg+0xcd/0x170 [ 9577.077537][ T10] do_syscall_64+0xc6/0x1e0 [ 9577.077537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9577.077537][ T10] [ 9577.079552][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9577.079552][ T10] netdev_get_by_index+0x5e/0x80 [ 9577.079552][ T10] fib6_nh_init+0x3d8/0x1580 [ 9577.079552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9577.079552][ T10] ip6_route_add+0x1c/0x140 [ 9577.079552][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9577.079552][ T10] addrconf_add_dev+0xe2/0x170 [ 9577.079552][ T10] inet6_addr_add+0x12f/0xa40 [ 9577.079552][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9577.079552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9577.079552][ T10] netlink_rcv_skb+0x130/0x360 [ 9577.079552][ T10] netlink_unicast+0x449/0x710 [ 9577.079552][ T10] netlink_sendmsg+0x723/0xbe0 [ 9577.079552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9577.079552][ T10] ___sys_sendmsg+0xee/0x170 [ 9577.079552][ T10] __sys_sendmsg+0xcd/0x170 [ 9577.079552][ T10] do_syscall_64+0xc6/0x1e0 [ 9577.079552][ T10] [ 9577.081536][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9577.081536][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9577.081536][ T10] ipv6_find_idev+0x102/0x170 [ 9577.081536][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9577.081536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9577.081536][ T10] netlink_rcv_skb+0x130/0x360 [ 9577.081536][ T10] netlink_unicast+0x449/0x710 [ 9577.081536][ T10] netlink_sendmsg+0x723/0xbe0 [ 9577.081536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9577.081536][ T10] ___sys_sendmsg+0xee/0x170 [ 9577.081536][ T10] __sys_sendmsg+0xcd/0x170 [ 9577.081536][ T10] do_syscall_64+0xc6/0x1e0 [ 9577.081536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9577.081536][ T10] [ 9577.083202][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9577.083202][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9577.083202][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9577.083202][ T10] ipv6_find_idev+0x102/0x170 [ 9577.083202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9577.083202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9577.083202][ T10] netlink_rcv_skb+0x130/0x360 [ 9577.083202][ T10] netlink_unicast+0x449/0x710 [ 9577.083202][ T10] netlink_sendmsg+0x723/0xbe0 [ 9577.083202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9577.083202][ T10] ___sys_sendmsg+0xee/0x170 [ 9577.083202][ T10] __sys_sendmsg+0xcd/0x170 [ 9577.083202][ T10] do_syscall_64+0xc6/0x1e0 [ 9577.083202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9577.083202][ T10] [ 9577.084920][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9577.085181][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9577.085181][ T10] netdev_get_by_index+0x5e/0x80 [ 9577.085181][ T10] fib6_nh_init+0x3d8/0x1580 [ 9577.085181][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9577.085181][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9577.085181][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9577.085181][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9577.085181][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9577.085181][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9577.085181][ T10] addrconf_dad_begin+0x310/0x670 [ 9577.085181][ T10] addrconf_dad_work+0x10b/0xab0 [ 9577.085181][ T10] process_one_work+0x84d/0x18a0 [ 9577.085181][ T10] worker_thread+0x587/0xd30 [ 9577.085181][ T10] kthread+0x28a/0x350 [ 9577.085181][ T10] ret_from_fork+0x31/0x70 [ 9577.085181][ T10] ret_from_fork_asm+0x1a/0x30 [ 9577.085181][ T10] [ 9577.087129][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9577.087129][ T10] netdev_get_by_index+0x5e/0x80 [ 9577.087129][ T10] fib6_nh_init+0x3d8/0x1580 [ 9577.087129][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9577.087129][ T10] ip6_route_add+0x1c/0x140 [ 9577.087129][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9577.087129][ T10] inet6_addr_add+0x4f8/0xa40 [ 9577.087129][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9577.087129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9577.087129][ T10] netlink_rcv_skb+0x130/0x360 [ 9577.087129][ T10] netlink_unicast+0x449/0x710 [ 9577.087129][ T10] netlink_sendmsg+0x723/0xbe0 [ 9577.087129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9577.087129][ T10] ___sys_sendmsg+0xee/0x170 [ 9577.087129][ T10] __sys_sendmsg+0xcd/0x170 [ 9577.087129][ T10] do_syscall_64+0xc6/0x1e0 [ 9577.087129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9577.087129][ T10] [ 9577.089141][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9577.089141][ T10] netdev_get_by_index+0x5e/0x80 [ 9577.089141][ T10] fib6_nh_init+0x3d8/0x1580 [ 9577.089141][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9577.089141][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9577.089141][ T10] ipv6_add_addr+0x411/0x2000 [ 9577.089141][ T10] inet6_addr_add+0x30e/0xa40 [ 9577.089141][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9577.089141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9577.089141][ T10] netlink_rcv_skb+0x130/0x360 [ 9577.089141][ T10] netlink_unicast+0x449/0x710 [ 9577.089141][ T10] netlink_sendmsg+0x723/0xbe0 [ 9577.089141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9577.089141][ T10] ___sys_sendmsg+0xee/0x170 [ 9577.089141][ T10] __sys_sendmsg+0xcd/0x170 [ 9577.089141][ T10] do_syscall_64+0xc6/0x1e0 [ 9577.089141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9577.089141][ T10] [ 9577.091155][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9577.091155][ T10] netdev_get_by_index+0x5e/0x80 [ 9577.091155][ T10] fib6_nh_init+0x3d8/0x1580 [ 9577.091155][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9577.091155][ T10] ip6_route_add+0x1c/0x140 [ 9577.091155][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9577.091155][ T10] addrconf_add_dev+0xe2/0x170 [ 9577.091155][ T10] inet6_addr_add+0x12f/0xa40 [ 9577.091155][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9577.091155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9577.091155][ T10] netlink_rcv_skb+0x130/0x360 [ 9577.091155][ T10] netlink_unicast+0x449/0x710 [ 9577.091155][ T10] netlink_sendmsg+0x723/0xbe0 [ 9577.091155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9577.091155][ T10] ___sys_sendmsg+0xee/0x170 [ 9577.091155][ T10] __sys_sendmsg+0xcd/0x170 [ 9577.091155][ T10] do_syscall_64+0xc6/0x1e0 [ 9577.091155][ T10] [ 9577.093130][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9577.093130][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9577.093130][ T10] ipv6_find_idev+0x102/0x170 [ 9577.093130][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9577.093130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9577.093130][ T10] netlink_rcv_skb+0x130/0x360 [ 9577.093130][ T10] netlink_unicast+0x449/0x710 [ 9577.093130][ T10] netlink_sendmsg+0x723/0xbe0 [ 9577.093130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9577.093130][ T10] ___sys_sendmsg+0xee/0x170 [ 9577.093130][ T10] __sys_sendmsg+0xcd/0x170 [ 9577.093130][ T10] do_syscall_64+0xc6/0x1e0 [ 9577.093130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9577.093130][ T10] [ 9577.094684][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9577.094684][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9577.094684][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9577.094684][ T10] ipv6_find_idev+0x102/0x170 [ 9577.094684][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9577.094684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9577.094684][ T10] netlink_rcv_skb+0x130/0x360 [ 9577.094684][ T10] netlink_unicast+0x449/0x710 [ 9577.094684][ T10] netlink_sendmsg+0x723/0xbe0 [ 9577.094684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9577.094684][ T10] ___sys_sendmsg+0xee/0x170 [ 9577.094684][ T10] __sys_sendmsg+0xcd/0x170 [ 9577.094684][ T10] do_syscall_64+0xc6/0x1e0 [ 9577.094684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9577.094684][ T10] [ 9577.096397][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9577.096636][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9577.096636][ T10] netdev_get_by_index+0x5e/0x80 [ 9577.096636][ T10] fib6_nh_init+0x3d8/0x1580 [ 9577.096636][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9577.096636][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9577.096636][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9577.096636][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9577.096636][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9577.096636][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9577.096636][ T10] addrconf_dad_begin+0x310/0x670 [ 9577.096636][ T10] addrconf_dad_work+0x10b/0xab0 [ 9577.096636][ T10] process_one_work+0x84d/0x18a0 [ 9577.096636][ T10] worker_thread+0x587/0xd30 [ 9577.096636][ T10] kthread+0x28a/0x350 [ 9577.096636][ T10] ret_from_fork+0x31/0x70 [ 9577.096636][ T10] ret_from_fork_asm+0x1a/0x30 [ 9577.096636][ T10] [ 9577.098558][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9577.098558][ T10] netdev_get_by_index+0x5e/0x80 [ 9577.098558][ T10] fib6_nh_init+0x3d8/0x1580 [ 9577.098558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9577.098558][ T10] ip6_route_add+0x1c/0x140 [ 9577.098558][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9577.098558][ T10] inet6_addr_add+0x4f8/0xa40 [ 9577.098558][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9577.098558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9577.098558][ T10] netlink_rcv_skb+0x130/0x360 [ 9577.098558][ T10] netlink_unicast+0x449/0x710 [ 9577.098558][ T10] netlink_sendmsg+0x723/0xbe0 [ 9577.098558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9577.098558][ T10] ___sys_sendmsg+0xee/0x170 [ 9577.098558][ T10] __sys_sendmsg+0xcd/0x170 [ 9577.098558][ T10] do_syscall_64+0xc6/0x1e0 [ 9577.098558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9577.098558][ T10] [ 9577.100697][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9577.100697][ T10] netdev_get_by_index+0x5e/0x80 [ 9577.100697][ T10] fib6_nh_init+0x3d8/0x1580 [ 9577.100697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9577.100697][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9577.100697][ T10] ipv6_add_addr+0x411/0x2000 [ 9577.100697][ T10] inet6_addr_add+0x30e/0xa40 [ 9577.100697][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9577.100697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9577.100697][ T10] netlink_rcv_skb+0x130/0x360 [ 9577.100697][ T10] netlink_unicast+0x449/0x710 [ 9577.100697][ T10] netlink_sendmsg+0x723/0xbe0 [ 9577.100697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9577.100697][ T10] ___sys_sendmsg+0xee/0x170 [ 9577.100697][ T10] __sys_sendmsg+0xcd/0x170 [ 9577.100697][ T10] do_syscall_64+0xc6/0x1e0 [ 9577.100697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9577.100697][ T10] [ 9577.102832][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9577.102832][ T10] netdev_get_by_index+0x5e/0x80 [ 9577.102832][ T10] fib6_nh_init+0x3d8/0x1580 [ 9577.102832][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9577.102832][ T10] ip6_route_add+0x1c/0x140 [ 9577.102832][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9577.102832][ T10] addrconf_add_dev+0xe2/0x170 [ 9577.102832][ T10] inet6_addr_add+0x12f/0xa40 [ 9577.102832][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9577.102832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9577.102832][ T10] netlink_rcv_skb+0x130/0x360 [ 9577.102832][ T10] netlink_unicast+0x449/0x710 [ 9577.102832][ T10] netlink_sendmsg+0x723/0xbe0 [ 9577.102832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9577.102832][ T10] ___sys_sendmsg+0xee/0x170 [ 9577.102832][ T10] __sys_sendmsg+0xcd/0x170 [ 9577.102832][ T10] do_syscall_64+0xc6/0x1e0 [ 9577.102832][ T10] [ 9577.104935][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9577.104935][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9577.104935][ T10] ipv6_find_idev+0x102/0x170 [ 9577.104935][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9577.104935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9577.104935][ T10] netlink_rcv_skb+0x130/0x360 [ 9577.104935][ T10] netlink_unicast+0x449/0x710 [ 9577.104935][ T10] netlink_sendmsg+0x723/0xbe0 [ 9577.104935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9577.104935][ T10] ___sys_sendmsg+0xee/0x170 [ 9577.104935][ T10] __sys_sendmsg+0xcd/0x170 [ 9577.104935][ T10] do_syscall_64+0xc6/0x1e0 [ 9577.104935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9577.104935][ T10] [ 9577.106539][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9577.106539][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9577.106539][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9577.106539][ T10] ipv6_find_idev+0x102/0x170 [ 9577.106539][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9577.106539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9577.106539][ T10] netlink_rcv_skb+0x130/0x360 [ 9577.106539][ T10] netlink_unicast+0x449/0x710 [ 9577.106539][ T10] netlink_sendmsg+0x723/0xbe0 [ 9577.106539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9577.106539][ T10] ___sys_sendmsg+0xee/0x170 [ 9577.106539][ T10] __sys_sendmsg+0xcd/0x170 [ 9577.106539][ T10] do_syscall_64+0xc6/0x1e0 [ 9577.106539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9577.106539][ T10] [ 9577.108357][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9577.108599][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9577.108599][ T10] netdev_get_by_index+0x5e/0x80 [ 9577.108599][ T10] fib6_nh_init+0x3d8/0x1580 [ 9577.108599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9577.108599][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9577.108599][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9577.108599][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9577.108599][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9577.108599][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9577.108599][ T10] addrconf_dad_begin+0x310/0x670 [ 9577.108599][ T10] addrconf_dad_work+0x10b/0xab0 [ 9577.108599][ T10] process_one_work+0x84d/0x18a0 [ 9577.108599][ T10] worker_thread+0x587/0xd30 [ 9577.108599][ T10] kthread+0x28a/0x350 [ 9577.108599][ T10] ret_from_fork+0x31/0x70 [ 9577.108599][ T10] ret_from_fork_asm+0x1a/0x30 [ 9577.108599][ T10] [ 9577.110643][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9577.110643][ T10] netdev_get_by_index+0x5e/0x80 [ 9577.110643][ T10] fib6_nh_init+0x3d8/0x1580 [ 9577.110643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9577.110643][ T10] ip6_route_add+0x1c/0x140 [ 9577.110643][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9577.110643][ T10] inet6_addr_add+0x4f8/0xa40 [ 9577.110643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9577.110643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9577.110643][ T10] netlink_rcv_skb+0x130/0x360 [ 9577.110643][ T10] netlink_unicast+0x449/0x710 [ 9577.110643][ T10] netlink_sendmsg+0x723/0xbe0 [ 9577.110643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9577.110643][ T10] ___sys_sendmsg+0xee/0x170 [ 9577.110643][ T10] __sys_sendmsg+0xcd/0x170 [ 9577.110643][ T10] do_syscall_64+0xc6/0x1e0 [ 9577.110643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9577.110643][ T10] [ 9577.112776][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9577.112776][ T10] netdev_get_by_index+0x5e/0x80 [ 9577.112776][ T10] fib6_nh_init+0x3d8/0x1580 [ 9577.112776][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9577.112776][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9577.112776][ T10] ipv6_add_addr+0x411/0x2000 [ 9577.112776][ T10] inet6_addr_add+0x30e/0xa40 [ 9577.112776][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9577.112776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9577.112776][ T10] netlink_rcv_skb+0x130/0x360 [ 9577.112776][ T10] netlink_unicast+0x449/0x710 [ 9577.112776][ T10] netlink_sendmsg+0x723/0xbe0 [ 9577.112776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9577.112776][ T10] ___sys_sendmsg+0xee/0x170 [ 9577.112776][ T10] __sys_sendmsg+0xcd/0x170 [ 9577.112776][ T10] do_syscall_64+0xc6/0x1e0 [ 9577.112776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9577.112776][ T10] [ 9577.114910][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9577.114910][ T10] netdev_get_by_index+0x5e/0x80 [ 9577.114910][ T10] fib6_nh_init+0x3d8/0x1580 [ 9577.114910][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9577.114910][ T10] ip6_route_add+0x1c/0x140 [ 9577.114910][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9577.114910][ T10] addrconf_add_dev+0xe2/0x170 [ 9577.114910][ T10] inet6_addr_add+0x12f/0xa40 [ 9577.114910][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9577.114910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9577.114910][ T10] netlink_rcv_skb+0x130/0x360 [ 9577.114910][ T10] netlink_unicast+0x449/0x710 [ 9577.114910][ T10] netlink_sendmsg+0x723/0xbe0 [ 9577.114910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9577.114910][ T10] ___sys_sendmsg+0xee/0x170 [ 9577.114910][ T10] __sys_sendmsg+0xcd/0x170 [ 9577.114910][ T10] do_syscall_64+0xc6/0x1e0 [ 9577.114910][ T10] [ 9577.117007][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9577.117007][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9577.117007][ T10] ipv6_find_idev+0x102/0x170 [ 9577.117007][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9577.117007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9577.117007][ T10] netlink_rcv_skb+0x130/0x360 [ 9577.117007][ T10] netlink_unicast+0x449/0x710 [ 9577.117007][ T10] netlink_sendmsg+0x723/0xbe0 [ 9577.117007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9577.117007][ T10] ___sys_sendmsg+0xee/0x170 [ 9577.117007][ T10] __sys_sendmsg+0xcd/0x170 [ 9577.117007][ T10] do_syscall_64+0xc6/0x1e0 [ 9577.117007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9577.117007][ T10] [ 9577.118610][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9577.118610][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9577.118610][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9577.118610][ T10] ipv6_find_idev+0x102/0x170 [ 9577.118610][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9577.118610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9577.118610][ T10] netlink_rcv_skb+0x130/0x360 [ 9577.118610][ T10] netlink_unicast+0x449/0x710 [ 9577.118610][ T10] netlink_sendmsg+0x723/0xbe0 [ 9577.118610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9577.118610][ T10] ___sys_sendmsg+0xee/0x170 [ 9577.118610][ T10] __sys_sendmsg+0xcd/0x170 [ 9577.118610][ T10] do_syscall_64+0xc6/0x1e0 [ 9577.118610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9577.118610][ T10] [ 9580.905135][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9580.905623][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9580.905623][ T1167] dst_init+0x84/0x4a0 [ 9580.905623][ T1167] dst_alloc+0x97/0x150 [ 9580.905623][ T1167] ip6_dst_alloc+0x23/0x90 [ 9580.905623][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9580.905623][ T1167] ip6_pol_route+0x56f/0x840 [ 9580.905623][ T1167] fib6_rule_lookup+0x334/0x630 [ 9580.905623][ T1167] ip6_route_output_flags+0x259/0x480 [ 9580.905623][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9580.905623][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9580.905623][ T1167] netlink_rcv_skb+0x130/0x360 [ 9580.905623][ T1167] netlink_unicast+0x449/0x710 [ 9580.905623][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9580.905623][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9580.905623][ T1167] ___sys_sendmsg+0xee/0x170 [ 9580.905623][ T1167] __sys_sendmsg+0xcd/0x170 [ 9580.905623][ T1167] do_syscall_64+0xc6/0x1e0 [ 9580.905623][ T1167] [ 9580.907817][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9580.907817][ T1167] netdev_get_by_index+0x5e/0x80 [ 9580.907817][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9580.907817][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9580.907817][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9580.907817][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9580.907817][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9580.907817][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9580.907817][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9580.907817][ T1167] addrconf_dad_begin+0x310/0x670 [ 9580.907817][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9580.907817][ T1167] process_one_work+0x84d/0x18a0 [ 9580.907817][ T1167] worker_thread+0x587/0xd30 [ 9580.907817][ T1167] kthread+0x28a/0x350 [ 9580.907817][ T1167] ret_from_fork+0x31/0x70 [ 9580.907817][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9580.907817][ T1167] [ 9580.909966][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9580.909966][ T1167] netdev_get_by_index+0x5e/0x80 [ 9580.909966][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9580.909966][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9580.909966][ T1167] ip6_route_add+0x1c/0x140 [ 9580.909966][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9580.909966][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9580.909966][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9580.909966][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9580.909966][ T1167] netlink_rcv_skb+0x130/0x360 [ 9580.909966][ T1167] netlink_unicast+0x449/0x710 [ 9580.909966][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9580.909966][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9580.909966][ T1167] ___sys_sendmsg+0xee/0x170 [ 9580.909966][ T1167] __sys_sendmsg+0xcd/0x170 [ 9580.909966][ T1167] do_syscall_64+0xc6/0x1e0 [ 9580.909966][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9580.909966][ T1167] [ 9580.912197][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9580.912197][ T1167] netdev_get_by_index+0x5e/0x80 [ 9580.912197][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9580.912197][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9580.912197][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9580.912197][ T1167] ipv6_add_addr+0x411/0x2000 [ 9580.912197][ T1167] inet6_addr_add+0x30e/0xa40 [ 9580.912197][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9580.912197][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9580.912197][ T1167] netlink_rcv_skb+0x130/0x360 [ 9580.912197][ T1167] netlink_unicast+0x449/0x710 [ 9580.912197][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9580.912197][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9580.912197][ T1167] ___sys_sendmsg+0xee/0x170 [ 9580.912197][ T1167] __sys_sendmsg+0xcd/0x170 [ 9580.912197][ T1167] do_syscall_64+0xc6/0x1e0 [ 9580.912197][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9580.912197][ T1167] [ 9580.914456][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9580.914456][ T1167] netdev_get_by_index+0x5e/0x80 [ 9580.914456][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9580.914456][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9580.914456][ T1167] ip6_route_add+0x1c/0x140 [ 9580.914456][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9580.914456][ T1167] addrconf_add_dev+0xe2/0x170 [ 9580.914456][ T1167] inet6_addr_add+0x12f/0xa40 [ 9580.914456][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9580.914456][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9580.914456][ T1167] netlink_rcv_skb+0x130/0x360 [ 9580.914456][ T1167] netlink_unicast+0x449/0x710 [ 9580.914456][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9580.914456][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9580.914456][ T1167] ___sys_sendmsg+0xee/0x170 [ 9580.914456][ T1167] __sys_sendmsg+0xcd/0x170 [ 9580.914456][ T1167] do_syscall_64+0xc6/0x1e0 [ 9580.914456][ T1167] [ 9580.916648][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9580.916648][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9580.916648][ T1167] ipv6_find_idev+0x102/0x170 [ 9580.916648][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9580.916648][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9580.916648][ T1167] netlink_rcv_skb+0x130/0x360 [ 9580.916648][ T1167] netlink_unicast+0x449/0x710 [ 9580.916648][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9580.916648][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9580.916648][ T1167] ___sys_sendmsg+0xee/0x170 [ 9580.916648][ T1167] __sys_sendmsg+0xcd/0x170 [ 9580.916648][ T1167] do_syscall_64+0xc6/0x1e0 [ 9580.916648][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9580.916648][ T1167] [ 9580.918365][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9580.918365][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9580.918365][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9580.918365][ T1167] ipv6_find_idev+0x102/0x170 [ 9580.918365][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9580.918365][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9580.918365][ T1167] netlink_rcv_skb+0x130/0x360 [ 9580.918365][ T1167] netlink_unicast+0x449/0x710 [ 9580.918365][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9580.918365][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9580.918365][ T1167] ___sys_sendmsg+0xee/0x170 [ 9580.918365][ T1167] __sys_sendmsg+0xcd/0x170 [ 9580.918365][ T1167] do_syscall_64+0xc6/0x1e0 [ 9580.918365][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9580.918365][ T1167] [ 9587.361114][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9587.361574][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9587.361574][ T10] netdev_get_by_index+0x5e/0x80 [ 9587.361574][ T10] fib6_nh_init+0x3d8/0x1580 [ 9587.361574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9587.361574][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9587.361574][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9587.361574][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9587.361574][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9587.361574][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9587.361574][ T10] addrconf_dad_begin+0x310/0x670 [ 9587.361574][ T10] addrconf_dad_work+0x10b/0xab0 [ 9587.361574][ T10] process_one_work+0x84d/0x18a0 [ 9587.361574][ T10] worker_thread+0x587/0xd30 [ 9587.361574][ T10] kthread+0x28a/0x350 [ 9587.361574][ T10] ret_from_fork+0x31/0x70 [ 9587.361574][ T10] ret_from_fork_asm+0x1a/0x30 [ 9587.361574][ T10] [ 9587.363533][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9587.363533][ T10] netdev_get_by_index+0x5e/0x80 [ 9587.363533][ T10] fib6_nh_init+0x3d8/0x1580 [ 9587.363533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9587.363533][ T10] ip6_route_add+0x1c/0x140 [ 9587.363533][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9587.363533][ T10] inet6_addr_add+0x4f8/0xa40 [ 9587.363533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9587.363533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9587.363533][ T10] netlink_rcv_skb+0x130/0x360 [ 9587.363533][ T10] netlink_unicast+0x449/0x710 [ 9587.363533][ T10] netlink_sendmsg+0x723/0xbe0 [ 9587.363533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9587.363533][ T10] ___sys_sendmsg+0xee/0x170 [ 9587.363533][ T10] __sys_sendmsg+0xcd/0x170 [ 9587.363533][ T10] do_syscall_64+0xc6/0x1e0 [ 9587.363533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9587.363533][ T10] [ 9587.365543][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9587.365543][ T10] netdev_get_by_index+0x5e/0x80 [ 9587.365543][ T10] fib6_nh_init+0x3d8/0x1580 [ 9587.365543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9587.365543][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9587.365543][ T10] ipv6_add_addr+0x411/0x2000 [ 9587.365543][ T10] inet6_addr_add+0x30e/0xa40 [ 9587.365543][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9587.365543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9587.365543][ T10] netlink_rcv_skb+0x130/0x360 [ 9587.365543][ T10] netlink_unicast+0x449/0x710 [ 9587.365543][ T10] netlink_sendmsg+0x723/0xbe0 [ 9587.365543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9587.365543][ T10] ___sys_sendmsg+0xee/0x170 [ 9587.365543][ T10] __sys_sendmsg+0xcd/0x170 [ 9587.365543][ T10] do_syscall_64+0xc6/0x1e0 [ 9587.365543][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9587.365543][ T10] [ 9587.367553][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9587.367553][ T10] netdev_get_by_index+0x5e/0x80 [ 9587.367553][ T10] fib6_nh_init+0x3d8/0x1580 [ 9587.367553][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9587.367553][ T10] ip6_route_add+0x1c/0x140 [ 9587.367553][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9587.367553][ T10] addrconf_add_dev+0xe2/0x170 [ 9587.367553][ T10] inet6_addr_add+0x12f/0xa40 [ 9587.367553][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9587.367553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9587.367553][ T10] netlink_rcv_skb+0x130/0x360 [ 9587.367553][ T10] netlink_unicast+0x449/0x710 [ 9587.367553][ T10] netlink_sendmsg+0x723/0xbe0 [ 9587.367553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9587.367553][ T10] ___sys_sendmsg+0xee/0x170 [ 9587.367553][ T10] __sys_sendmsg+0xcd/0x170 [ 9587.367553][ T10] do_syscall_64+0xc6/0x1e0 [ 9587.367553][ T10] [ 9587.369527][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9587.369527][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9587.369527][ T10] ipv6_find_idev+0x102/0x170 [ 9587.369527][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9587.369527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9587.369527][ T10] netlink_rcv_skb+0x130/0x360 [ 9587.369527][ T10] netlink_unicast+0x449/0x710 [ 9587.369527][ T10] netlink_sendmsg+0x723/0xbe0 [ 9587.369527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9587.369527][ T10] ___sys_sendmsg+0xee/0x170 [ 9587.369527][ T10] __sys_sendmsg+0xcd/0x170 [ 9587.369527][ T10] do_syscall_64+0xc6/0x1e0 [ 9587.369527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9587.369527][ T10] [ 9587.371075][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9587.371075][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9587.371075][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9587.371075][ T10] ipv6_find_idev+0x102/0x170 [ 9587.371075][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9587.371075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9587.371075][ T10] netlink_rcv_skb+0x130/0x360 [ 9587.371075][ T10] netlink_unicast+0x449/0x710 [ 9587.371075][ T10] netlink_sendmsg+0x723/0xbe0 [ 9587.371075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9587.371075][ T10] ___sys_sendmsg+0xee/0x170 [ 9587.371075][ T10] __sys_sendmsg+0xcd/0x170 [ 9587.371075][ T10] do_syscall_64+0xc6/0x1e0 [ 9587.371075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9587.371075][ T10] [ 9587.372777][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9587.373029][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9587.373029][ T10] netdev_get_by_index+0x5e/0x80 [ 9587.373029][ T10] fib6_nh_init+0x3d8/0x1580 [ 9587.373029][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9587.373029][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9587.373029][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9587.373029][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9587.373029][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9587.373029][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9587.373029][ T10] addrconf_dad_begin+0x310/0x670 [ 9587.373029][ T10] addrconf_dad_work+0x10b/0xab0 [ 9587.373029][ T10] process_one_work+0x84d/0x18a0 [ 9587.373029][ T10] worker_thread+0x587/0xd30 [ 9587.373029][ T10] kthread+0x28a/0x350 [ 9587.373029][ T10] ret_from_fork+0x31/0x70 [ 9587.373029][ T10] ret_from_fork_asm+0x1a/0x30 [ 9587.373029][ T10] [ 9587.374964][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9587.374964][ T10] netdev_get_by_index+0x5e/0x80 [ 9587.374964][ T10] fib6_nh_init+0x3d8/0x1580 [ 9587.374964][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9587.374964][ T10] ip6_route_add+0x1c/0x140 [ 9587.374964][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9587.374964][ T10] inet6_addr_add+0x4f8/0xa40 [ 9587.374964][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9587.374964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9587.374964][ T10] netlink_rcv_skb+0x130/0x360 [ 9587.374964][ T10] netlink_unicast+0x449/0x710 [ 9587.374964][ T10] netlink_sendmsg+0x723/0xbe0 [ 9587.374964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9587.374964][ T10] ___sys_sendmsg+0xee/0x170 [ 9587.374964][ T10] __sys_sendmsg+0xcd/0x170 [ 9587.374964][ T10] do_syscall_64+0xc6/0x1e0 [ 9587.374964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9587.374964][ T10] [ 9587.376986][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9587.376986][ T10] netdev_get_by_index+0x5e/0x80 [ 9587.376986][ T10] fib6_nh_init+0x3d8/0x1580 [ 9587.376986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9587.376986][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9587.376986][ T10] ipv6_add_addr+0x411/0x2000 [ 9587.376986][ T10] inet6_addr_add+0x30e/0xa40 [ 9587.376986][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9587.376986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9587.376986][ T10] netlink_rcv_skb+0x130/0x360 [ 9587.376986][ T10] netlink_unicast+0x449/0x710 [ 9587.376986][ T10] netlink_sendmsg+0x723/0xbe0 [ 9587.376986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9587.376986][ T10] ___sys_sendmsg+0xee/0x170 [ 9587.376986][ T10] __sys_sendmsg+0xcd/0x170 [ 9587.376986][ T10] do_syscall_64+0xc6/0x1e0 [ 9587.376986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9587.376986][ T10] [ 9587.378992][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9587.378992][ T10] netdev_get_by_index+0x5e/0x80 [ 9587.378992][ T10] fib6_nh_init+0x3d8/0x1580 [ 9587.378992][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9587.378992][ T10] ip6_route_add+0x1c/0x140 [ 9587.378992][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9587.378992][ T10] addrconf_add_dev+0xe2/0x170 [ 9587.378992][ T10] inet6_addr_add+0x12f/0xa40 [ 9587.378992][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9587.378992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9587.378992][ T10] netlink_rcv_skb+0x130/0x360 [ 9587.378992][ T10] netlink_unicast+0x449/0x710 [ 9587.378992][ T10] netlink_sendmsg+0x723/0xbe0 [ 9587.378992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9587.378992][ T10] ___sys_sendmsg+0xee/0x170 [ 9587.378992][ T10] __sys_sendmsg+0xcd/0x170 [ 9587.378992][ T10] do_syscall_64+0xc6/0x1e0 [ 9587.378992][ T10] [ 9587.380970][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9587.380970][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9587.380970][ T10] ipv6_find_idev+0x102/0x170 [ 9587.380970][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9587.380970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9587.380970][ T10] netlink_rcv_skb+0x130/0x360 [ 9587.380970][ T10] netlink_unicast+0x449/0x710 [ 9587.380970][ T10] netlink_sendmsg+0x723/0xbe0 [ 9587.380970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9587.380970][ T10] ___sys_sendmsg+0xee/0x170 [ 9587.380970][ T10] __sys_sendmsg+0xcd/0x170 [ 9587.380970][ T10] do_syscall_64+0xc6/0x1e0 [ 9587.380970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9587.380970][ T10] [ 9587.382514][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9587.382514][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9587.382514][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9587.382514][ T10] ipv6_find_idev+0x102/0x170 [ 9587.382514][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9587.382514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9587.382514][ T10] netlink_rcv_skb+0x130/0x360 [ 9587.382514][ T10] netlink_unicast+0x449/0x710 [ 9587.382514][ T10] netlink_sendmsg+0x723/0xbe0 [ 9587.382514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9587.382514][ T10] ___sys_sendmsg+0xee/0x170 [ 9587.382514][ T10] __sys_sendmsg+0xcd/0x170 [ 9587.382514][ T10] do_syscall_64+0xc6/0x1e0 [ 9587.382514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9587.382514][ T10] [ 9587.384217][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9587.384457][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9587.384457][ T10] netdev_get_by_index+0x5e/0x80 [ 9587.384457][ T10] fib6_nh_init+0x3d8/0x1580 [ 9587.384457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9587.384457][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9587.384457][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9587.384457][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9587.384457][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9587.384457][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9587.384457][ T10] addrconf_dad_begin+0x310/0x670 [ 9587.384457][ T10] addrconf_dad_work+0x10b/0xab0 [ 9587.384457][ T10] process_one_work+0x84d/0x18a0 [ 9587.384457][ T10] worker_thread+0x587/0xd30 [ 9587.384457][ T10] kthread+0x28a/0x350 [ 9587.384457][ T10] ret_from_fork+0x31/0x70 [ 9587.384457][ T10] ret_from_fork_asm+0x1a/0x30 [ 9587.384457][ T10] [ 9587.386393][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9587.386393][ T10] netdev_get_by_index+0x5e/0x80 [ 9587.386393][ T10] fib6_nh_init+0x3d8/0x1580 [ 9587.386393][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9587.386393][ T10] ip6_route_add+0x1c/0x140 [ 9587.386393][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9587.386393][ T10] inet6_addr_add+0x4f8/0xa40 [ 9587.386393][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9587.386393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9587.386393][ T10] netlink_rcv_skb+0x130/0x360 [ 9587.386393][ T10] netlink_unicast+0x449/0x710 [ 9587.386393][ T10] netlink_sendmsg+0x723/0xbe0 [ 9587.386393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9587.386393][ T10] ___sys_sendmsg+0xee/0x170 [ 9587.386393][ T10] __sys_sendmsg+0xcd/0x170 [ 9587.386393][ T10] do_syscall_64+0xc6/0x1e0 [ 9587.386393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9587.386393][ T10] [ 9587.388581][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9587.388581][ T10] netdev_get_by_index+0x5e/0x80 [ 9587.388581][ T10] fib6_nh_init+0x3d8/0x1580 [ 9587.388581][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9587.388581][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9587.388581][ T10] ipv6_add_addr+0x411/0x2000 [ 9587.388581][ T10] inet6_addr_add+0x30e/0xa40 [ 9587.388581][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9587.388581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9587.388581][ T10] netlink_rcv_skb+0x130/0x360 [ 9587.388581][ T10] netlink_unicast+0x449/0x710 [ 9587.388581][ T10] netlink_sendmsg+0x723/0xbe0 [ 9587.388581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9587.388581][ T10] ___sys_sendmsg+0xee/0x170 [ 9587.388581][ T10] __sys_sendmsg+0xcd/0x170 [ 9587.388581][ T10] do_syscall_64+0xc6/0x1e0 [ 9587.388581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9587.388581][ T10] [ 9587.390830][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9587.390830][ T10] netdev_get_by_index+0x5e/0x80 [ 9587.390830][ T10] fib6_nh_init+0x3d8/0x1580 [ 9587.390830][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9587.390830][ T10] ip6_route_add+0x1c/0x140 [ 9587.390830][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9587.390830][ T10] addrconf_add_dev+0xe2/0x170 [ 9587.390830][ T10] inet6_addr_add+0x12f/0xa40 [ 9587.390830][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9587.390830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9587.390830][ T10] netlink_rcv_skb+0x130/0x360 [ 9587.390830][ T10] netlink_unicast+0x449/0x710 [ 9587.390830][ T10] netlink_sendmsg+0x723/0xbe0 [ 9587.390830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9587.390830][ T10] ___sys_sendmsg+0xee/0x170 [ 9587.390830][ T10] __sys_sendmsg+0xcd/0x170 [ 9587.390830][ T10] do_syscall_64+0xc6/0x1e0 [ 9587.390830][ T10] [ 9587.392977][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9587.392977][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9587.392977][ T10] ipv6_find_idev+0x102/0x170 [ 9587.392977][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9587.392977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9587.392977][ T10] netlink_rcv_skb+0x130/0x360 [ 9587.392977][ T10] netlink_unicast+0x449/0x710 [ 9587.392977][ T10] netlink_sendmsg+0x723/0xbe0 [ 9587.392977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9587.392977][ T10] ___sys_sendmsg+0xee/0x170 [ 9587.392977][ T10] __sys_sendmsg+0xcd/0x170 [ 9587.392977][ T10] do_syscall_64+0xc6/0x1e0 [ 9587.392977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9587.392977][ T10] [ 9587.394705][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9587.394705][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9587.394705][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9587.394705][ T10] ipv6_find_idev+0x102/0x170 [ 9587.394705][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9587.394705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9587.394705][ T10] netlink_rcv_skb+0x130/0x360 [ 9587.394705][ T10] netlink_unicast+0x449/0x710 [ 9587.394705][ T10] netlink_sendmsg+0x723/0xbe0 [ 9587.394705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9587.394705][ T10] ___sys_sendmsg+0xee/0x170 [ 9587.394705][ T10] __sys_sendmsg+0xcd/0x170 [ 9587.394705][ T10] do_syscall_64+0xc6/0x1e0 [ 9587.394705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9587.394705][ T10] [ 9587.396692][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9587.396931][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9587.396931][ T10] netdev_get_by_index+0x5e/0x80 [ 9587.396931][ T10] fib6_nh_init+0x3d8/0x1580 [ 9587.396931][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9587.396931][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9587.396931][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9587.396931][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9587.396931][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9587.396931][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9587.396931][ T10] addrconf_dad_begin+0x310/0x670 [ 9587.396931][ T10] addrconf_dad_work+0x10b/0xab0 [ 9587.396931][ T10] process_one_work+0x84d/0x18a0 [ 9587.396931][ T10] worker_thread+0x587/0xd30 [ 9587.396931][ T10] kthread+0x28a/0x350 [ 9587.396931][ T10] ret_from_fork+0x31/0x70 [ 9587.396931][ T10] ret_from_fork_asm+0x1a/0x30 [ 9587.396931][ T10] [ 9587.399093][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9587.399093][ T10] netdev_get_by_index+0x5e/0x80 [ 9587.399093][ T10] fib6_nh_init+0x3d8/0x1580 [ 9587.399093][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9587.399093][ T10] ip6_route_add+0x1c/0x140 [ 9587.399093][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9587.399093][ T10] inet6_addr_add+0x4f8/0xa40 [ 9587.399093][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9587.399093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9587.399093][ T10] netlink_rcv_skb+0x130/0x360 [ 9587.399093][ T10] netlink_unicast+0x449/0x710 [ 9587.399093][ T10] netlink_sendmsg+0x723/0xbe0 [ 9587.399093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9587.399093][ T10] ___sys_sendmsg+0xee/0x170 [ 9587.399093][ T10] __sys_sendmsg+0xcd/0x170 [ 9587.399093][ T10] do_syscall_64+0xc6/0x1e0 [ 9587.399093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9587.399093][ T10] [ 9587.401283][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9587.401283][ T10] netdev_get_by_index+0x5e/0x80 [ 9587.401283][ T10] fib6_nh_init+0x3d8/0x1580 [ 9587.401283][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9587.401283][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9587.401283][ T10] ipv6_add_addr+0x411/0x2000 [ 9587.401283][ T10] inet6_addr_add+0x30e/0xa40 [ 9587.401283][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9587.401283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9587.401283][ T10] netlink_rcv_skb+0x130/0x360 [ 9587.401283][ T10] netlink_unicast+0x449/0x710 [ 9587.401283][ T10] netlink_sendmsg+0x723/0xbe0 [ 9587.401283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9587.401283][ T10] ___sys_sendmsg+0xee/0x170 [ 9587.401283][ T10] __sys_sendmsg+0xcd/0x170 [ 9587.401283][ T10] do_syscall_64+0xc6/0x1e0 [ 9587.401283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9587.401283][ T10] [ 9587.403537][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9587.403537][ T10] netdev_get_by_index+0x5e/0x80 [ 9587.403537][ T10] fib6_nh_init+0x3d8/0x1580 [ 9587.403537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9587.403537][ T10] ip6_route_add+0x1c/0x140 [ 9587.403537][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9587.403537][ T10] addrconf_add_dev+0xe2/0x170 [ 9587.403537][ T10] inet6_addr_add+0x12f/0xa40 [ 9587.403537][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9587.403537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9587.403537][ T10] netlink_rcv_skb+0x130/0x360 [ 9587.403537][ T10] netlink_unicast+0x449/0x710 [ 9587.403537][ T10] netlink_sendmsg+0x723/0xbe0 [ 9587.403537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9587.403537][ T10] ___sys_sendmsg+0xee/0x170 [ 9587.403537][ T10] __sys_sendmsg+0xcd/0x170 [ 9587.403537][ T10] do_syscall_64+0xc6/0x1e0 [ 9587.403537][ T10] [ 9587.405812][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9587.405812][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9587.405812][ T10] ipv6_find_idev+0x102/0x170 [ 9587.405812][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9587.405812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9587.405812][ T10] netlink_rcv_skb+0x130/0x360 [ 9587.405812][ T10] netlink_unicast+0x449/0x710 [ 9587.405812][ T10] netlink_sendmsg+0x723/0xbe0 [ 9587.405812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9587.405812][ T10] ___sys_sendmsg+0xee/0x170 [ 9587.405812][ T10] __sys_sendmsg+0xcd/0x170 [ 9587.405812][ T10] do_syscall_64+0xc6/0x1e0 [ 9587.405812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9587.405812][ T10] [ 9587.407544][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9587.407544][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9587.407544][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9587.407544][ T10] ipv6_find_idev+0x102/0x170 [ 9587.407544][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9587.407544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9587.407544][ T10] netlink_rcv_skb+0x130/0x360 [ 9587.407544][ T10] netlink_unicast+0x449/0x710 [ 9587.407544][ T10] netlink_sendmsg+0x723/0xbe0 [ 9587.407544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9587.407544][ T10] ___sys_sendmsg+0xee/0x170 [ 9587.407544][ T10] __sys_sendmsg+0xcd/0x170 [ 9587.407544][ T10] do_syscall_64+0xc6/0x1e0 [ 9587.407544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9587.407544][ T10] [ 9591.161114][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9591.161593][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9591.161593][ T1167] dst_init+0x84/0x4a0 [ 9591.161593][ T1167] dst_alloc+0x97/0x150 [ 9591.161593][ T1167] ip6_dst_alloc+0x23/0x90 [ 9591.161593][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9591.161593][ T1167] ip6_pol_route+0x56f/0x840 [ 9591.161593][ T1167] fib6_rule_lookup+0x334/0x630 [ 9591.161593][ T1167] ip6_route_output_flags+0x259/0x480 [ 9591.161593][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9591.161593][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9591.161593][ T1167] netlink_rcv_skb+0x130/0x360 [ 9591.161593][ T1167] netlink_unicast+0x449/0x710 [ 9591.161593][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9591.161593][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9591.161593][ T1167] ___sys_sendmsg+0xee/0x170 [ 9591.161593][ T1167] __sys_sendmsg+0xcd/0x170 [ 9591.161593][ T1167] do_syscall_64+0xc6/0x1e0 [ 9591.161593][ T1167] [ 9591.163811][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9591.163811][ T1167] netdev_get_by_index+0x5e/0x80 [ 9591.163811][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9591.163811][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9591.163811][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9591.163811][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9591.163811][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9591.163811][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9591.163811][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9591.163811][ T1167] addrconf_dad_begin+0x310/0x670 [ 9591.163811][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9591.163811][ T1167] process_one_work+0x84d/0x18a0 [ 9591.163811][ T1167] worker_thread+0x587/0xd30 [ 9591.163811][ T1167] kthread+0x28a/0x350 [ 9591.163811][ T1167] ret_from_fork+0x31/0x70 [ 9591.163811][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9591.163811][ T1167] [ 9591.165944][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9591.165944][ T1167] netdev_get_by_index+0x5e/0x80 [ 9591.165944][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9591.165944][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9591.165944][ T1167] ip6_route_add+0x1c/0x140 [ 9591.165944][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9591.165944][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9591.165944][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9591.165944][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9591.165944][ T1167] netlink_rcv_skb+0x130/0x360 [ 9591.165944][ T1167] netlink_unicast+0x449/0x710 [ 9591.165944][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9591.165944][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9591.165944][ T1167] ___sys_sendmsg+0xee/0x170 [ 9591.165944][ T1167] __sys_sendmsg+0xcd/0x170 [ 9591.165944][ T1167] do_syscall_64+0xc6/0x1e0 [ 9591.165944][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9591.165944][ T1167] [ 9591.168182][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9591.168182][ T1167] netdev_get_by_index+0x5e/0x80 [ 9591.168182][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9591.168182][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9591.168182][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9591.168182][ T1167] ipv6_add_addr+0x411/0x2000 [ 9591.168182][ T1167] inet6_addr_add+0x30e/0xa40 [ 9591.168182][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9591.168182][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9591.168182][ T1167] netlink_rcv_skb+0x130/0x360 [ 9591.168182][ T1167] netlink_unicast+0x449/0x710 [ 9591.168182][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9591.168182][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9591.168182][ T1167] ___sys_sendmsg+0xee/0x170 [ 9591.168182][ T1167] __sys_sendmsg+0xcd/0x170 [ 9591.168182][ T1167] do_syscall_64+0xc6/0x1e0 [ 9591.168182][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9591.168182][ T1167] [ 9591.170419][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9591.170419][ T1167] netdev_get_by_index+0x5e/0x80 [ 9591.170419][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9591.170419][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9591.170419][ T1167] ip6_route_add+0x1c/0x140 [ 9591.170419][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9591.170419][ T1167] addrconf_add_dev+0xe2/0x170 [ 9591.170419][ T1167] inet6_addr_add+0x12f/0xa40 [ 9591.170419][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9591.170419][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9591.170419][ T1167] netlink_rcv_skb+0x130/0x360 [ 9591.170419][ T1167] netlink_unicast+0x449/0x710 [ 9591.170419][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9591.170419][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9591.170419][ T1167] ___sys_sendmsg+0xee/0x170 [ 9591.170419][ T1167] __sys_sendmsg+0xcd/0x170 [ 9591.170419][ T1167] do_syscall_64+0xc6/0x1e0 [ 9591.170419][ T1167] [ 9591.172609][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9591.172609][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9591.172609][ T1167] ipv6_find_idev+0x102/0x170 [ 9591.172609][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9591.172609][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9591.172609][ T1167] netlink_rcv_skb+0x130/0x360 [ 9591.172609][ T1167] netlink_unicast+0x449/0x710 [ 9591.172609][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9591.172609][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9591.172609][ T1167] ___sys_sendmsg+0xee/0x170 [ 9591.172609][ T1167] __sys_sendmsg+0xcd/0x170 [ 9591.172609][ T1167] do_syscall_64+0xc6/0x1e0 [ 9591.172609][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9591.172609][ T1167] [ 9591.174326][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9591.174326][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9591.174326][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9591.174326][ T1167] ipv6_find_idev+0x102/0x170 [ 9591.174326][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9591.174326][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9591.174326][ T1167] netlink_rcv_skb+0x130/0x360 [ 9591.174326][ T1167] netlink_unicast+0x449/0x710 [ 9591.174326][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9591.174326][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9591.174326][ T1167] ___sys_sendmsg+0xee/0x170 [ 9591.174326][ T1167] __sys_sendmsg+0xcd/0x170 [ 9591.174326][ T1167] do_syscall_64+0xc6/0x1e0 [ 9591.174326][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9591.174326][ T1167] [ 9597.649109][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9597.649525][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9597.649525][ T10] netdev_get_by_index+0x5e/0x80 [ 9597.649525][ T10] fib6_nh_init+0x3d8/0x1580 [ 9597.649525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9597.649525][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9597.649525][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9597.649525][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9597.649525][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9597.649525][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9597.649525][ T10] addrconf_dad_begin+0x310/0x670 [ 9597.649525][ T10] addrconf_dad_work+0x10b/0xab0 [ 9597.649525][ T10] process_one_work+0x84d/0x18a0 [ 9597.649525][ T10] worker_thread+0x587/0xd30 [ 9597.649525][ T10] kthread+0x28a/0x350 [ 9597.649525][ T10] ret_from_fork+0x31/0x70 [ 9597.649525][ T10] ret_from_fork_asm+0x1a/0x30 [ 9597.649525][ T10] [ 9597.651471][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9597.651471][ T10] netdev_get_by_index+0x5e/0x80 [ 9597.651471][ T10] fib6_nh_init+0x3d8/0x1580 [ 9597.651471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9597.651471][ T10] ip6_route_add+0x1c/0x140 [ 9597.651471][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9597.651471][ T10] inet6_addr_add+0x4f8/0xa40 [ 9597.651471][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9597.651471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9597.651471][ T10] netlink_rcv_skb+0x130/0x360 [ 9597.651471][ T10] netlink_unicast+0x449/0x710 [ 9597.651471][ T10] netlink_sendmsg+0x723/0xbe0 [ 9597.651471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9597.651471][ T10] ___sys_sendmsg+0xee/0x170 [ 9597.651471][ T10] __sys_sendmsg+0xcd/0x170 [ 9597.651471][ T10] do_syscall_64+0xc6/0x1e0 [ 9597.651471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9597.651471][ T10] [ 9597.653507][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9597.653507][ T10] netdev_get_by_index+0x5e/0x80 [ 9597.653507][ T10] fib6_nh_init+0x3d8/0x1580 [ 9597.653507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9597.653507][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9597.653507][ T10] ipv6_add_addr+0x411/0x2000 [ 9597.653507][ T10] inet6_addr_add+0x30e/0xa40 [ 9597.653507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9597.653507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9597.653507][ T10] netlink_rcv_skb+0x130/0x360 [ 9597.653507][ T10] netlink_unicast+0x449/0x710 [ 9597.653507][ T10] netlink_sendmsg+0x723/0xbe0 [ 9597.653507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9597.653507][ T10] ___sys_sendmsg+0xee/0x170 [ 9597.653507][ T10] __sys_sendmsg+0xcd/0x170 [ 9597.653507][ T10] do_syscall_64+0xc6/0x1e0 [ 9597.653507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9597.653507][ T10] [ 9597.655506][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9597.655506][ T10] netdev_get_by_index+0x5e/0x80 [ 9597.655506][ T10] fib6_nh_init+0x3d8/0x1580 [ 9597.655506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9597.655506][ T10] ip6_route_add+0x1c/0x140 [ 9597.655506][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9597.655506][ T10] addrconf_add_dev+0xe2/0x170 [ 9597.655506][ T10] inet6_addr_add+0x12f/0xa40 [ 9597.655506][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9597.655506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9597.655506][ T10] netlink_rcv_skb+0x130/0x360 [ 9597.655506][ T10] netlink_unicast+0x449/0x710 [ 9597.655506][ T10] netlink_sendmsg+0x723/0xbe0 [ 9597.655506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9597.655506][ T10] ___sys_sendmsg+0xee/0x170 [ 9597.655506][ T10] __sys_sendmsg+0xcd/0x170 [ 9597.655506][ T10] do_syscall_64+0xc6/0x1e0 [ 9597.655506][ T10] [ 9597.657481][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9597.657481][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9597.657481][ T10] ipv6_find_idev+0x102/0x170 [ 9597.657481][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9597.657481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9597.657481][ T10] netlink_rcv_skb+0x130/0x360 [ 9597.657481][ T10] netlink_unicast+0x449/0x710 [ 9597.657481][ T10] netlink_sendmsg+0x723/0xbe0 [ 9597.657481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9597.657481][ T10] ___sys_sendmsg+0xee/0x170 [ 9597.657481][ T10] __sys_sendmsg+0xcd/0x170 [ 9597.657481][ T10] do_syscall_64+0xc6/0x1e0 [ 9597.657481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9597.657481][ T10] [ 9597.659027][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9597.659027][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9597.659027][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9597.659027][ T10] ipv6_find_idev+0x102/0x170 [ 9597.659027][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9597.659027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9597.659027][ T10] netlink_rcv_skb+0x130/0x360 [ 9597.659027][ T10] netlink_unicast+0x449/0x710 [ 9597.659027][ T10] netlink_sendmsg+0x723/0xbe0 [ 9597.659027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9597.659027][ T10] ___sys_sendmsg+0xee/0x170 [ 9597.659027][ T10] __sys_sendmsg+0xcd/0x170 [ 9597.659027][ T10] do_syscall_64+0xc6/0x1e0 [ 9597.659027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9597.659027][ T10] [ 9597.660755][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9597.661003][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9597.661003][ T10] netdev_get_by_index+0x5e/0x80 [ 9597.661003][ T10] fib6_nh_init+0x3d8/0x1580 [ 9597.661003][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9597.661003][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9597.661003][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9597.661003][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9597.661003][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9597.661003][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9597.661003][ T10] addrconf_dad_begin+0x310/0x670 [ 9597.661003][ T10] addrconf_dad_work+0x10b/0xab0 [ 9597.661003][ T10] process_one_work+0x84d/0x18a0 [ 9597.661003][ T10] worker_thread+0x587/0xd30 [ 9597.661003][ T10] kthread+0x28a/0x350 [ 9597.661003][ T10] ret_from_fork+0x31/0x70 [ 9597.661003][ T10] ret_from_fork_asm+0x1a/0x30 [ 9597.661003][ T10] [ 9597.662933][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9597.662933][ T10] netdev_get_by_index+0x5e/0x80 [ 9597.662933][ T10] fib6_nh_init+0x3d8/0x1580 [ 9597.662933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9597.662933][ T10] ip6_route_add+0x1c/0x140 [ 9597.662933][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9597.662933][ T10] inet6_addr_add+0x4f8/0xa40 [ 9597.662933][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9597.662933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9597.662933][ T10] netlink_rcv_skb+0x130/0x360 [ 9597.662933][ T10] netlink_unicast+0x449/0x710 [ 9597.662933][ T10] netlink_sendmsg+0x723/0xbe0 [ 9597.662933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9597.662933][ T10] ___sys_sendmsg+0xee/0x170 [ 9597.662933][ T10] __sys_sendmsg+0xcd/0x170 [ 9597.662933][ T10] do_syscall_64+0xc6/0x1e0 [ 9597.662933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9597.662933][ T10] [ 9597.664952][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9597.664952][ T10] netdev_get_by_index+0x5e/0x80 [ 9597.664952][ T10] fib6_nh_init+0x3d8/0x1580 [ 9597.664952][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9597.664952][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9597.664952][ T10] ipv6_add_addr+0x411/0x2000 [ 9597.664952][ T10] inet6_addr_add+0x30e/0xa40 [ 9597.664952][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9597.664952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9597.664952][ T10] netlink_rcv_skb+0x130/0x360 [ 9597.664952][ T10] netlink_unicast+0x449/0x710 [ 9597.664952][ T10] netlink_sendmsg+0x723/0xbe0 [ 9597.664952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9597.664952][ T10] ___sys_sendmsg+0xee/0x170 [ 9597.664952][ T10] __sys_sendmsg+0xcd/0x170 [ 9597.664952][ T10] do_syscall_64+0xc6/0x1e0 [ 9597.664952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9597.664952][ T10] [ 9597.666963][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9597.666963][ T10] netdev_get_by_index+0x5e/0x80 [ 9597.666963][ T10] fib6_nh_init+0x3d8/0x1580 [ 9597.666963][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9597.666963][ T10] ip6_route_add+0x1c/0x140 [ 9597.666963][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9597.666963][ T10] addrconf_add_dev+0xe2/0x170 [ 9597.666963][ T10] inet6_addr_add+0x12f/0xa40 [ 9597.666963][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9597.666963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9597.666963][ T10] netlink_rcv_skb+0x130/0x360 [ 9597.666963][ T10] netlink_unicast+0x449/0x710 [ 9597.666963][ T10] netlink_sendmsg+0x723/0xbe0 [ 9597.666963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9597.666963][ T10] ___sys_sendmsg+0xee/0x170 [ 9597.666963][ T10] __sys_sendmsg+0xcd/0x170 [ 9597.666963][ T10] do_syscall_64+0xc6/0x1e0 [ 9597.666963][ T10] [ 9597.668942][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9597.668942][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9597.668942][ T10] ipv6_find_idev+0x102/0x170 [ 9597.668942][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9597.668942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9597.668942][ T10] netlink_rcv_skb+0x130/0x360 [ 9597.668942][ T10] netlink_unicast+0x449/0x710 [ 9597.668942][ T10] netlink_sendmsg+0x723/0xbe0 [ 9597.668942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9597.668942][ T10] ___sys_sendmsg+0xee/0x170 [ 9597.668942][ T10] __sys_sendmsg+0xcd/0x170 [ 9597.668942][ T10] do_syscall_64+0xc6/0x1e0 [ 9597.668942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9597.668942][ T10] [ 9597.670488][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9597.670488][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9597.670488][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9597.670488][ T10] ipv6_find_idev+0x102/0x170 [ 9597.670488][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9597.670488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9597.670488][ T10] netlink_rcv_skb+0x130/0x360 [ 9597.670488][ T10] netlink_unicast+0x449/0x710 [ 9597.670488][ T10] netlink_sendmsg+0x723/0xbe0 [ 9597.670488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9597.670488][ T10] ___sys_sendmsg+0xee/0x170 [ 9597.670488][ T10] __sys_sendmsg+0xcd/0x170 [ 9597.670488][ T10] do_syscall_64+0xc6/0x1e0 [ 9597.670488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9597.670488][ T10] [ 9597.672184][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9597.672422][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9597.672422][ T10] netdev_get_by_index+0x5e/0x80 [ 9597.672422][ T10] fib6_nh_init+0x3d8/0x1580 [ 9597.672422][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9597.672422][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9597.672422][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9597.672422][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9597.672422][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9597.672422][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9597.672422][ T10] addrconf_dad_begin+0x310/0x670 [ 9597.672422][ T10] addrconf_dad_work+0x10b/0xab0 [ 9597.672422][ T10] process_one_work+0x84d/0x18a0 [ 9597.672422][ T10] worker_thread+0x587/0xd30 [ 9597.672422][ T10] kthread+0x28a/0x350 [ 9597.672422][ T10] ret_from_fork+0x31/0x70 [ 9597.672422][ T10] ret_from_fork_asm+0x1a/0x30 [ 9597.672422][ T10] [ 9597.674361][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9597.674361][ T10] netdev_get_by_index+0x5e/0x80 [ 9597.674361][ T10] fib6_nh_init+0x3d8/0x1580 [ 9597.674361][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9597.674361][ T10] ip6_route_add+0x1c/0x140 [ 9597.674361][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9597.674361][ T10] inet6_addr_add+0x4f8/0xa40 [ 9597.674361][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9597.674361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9597.674361][ T10] netlink_rcv_skb+0x130/0x360 [ 9597.674361][ T10] netlink_unicast+0x449/0x710 [ 9597.674361][ T10] netlink_sendmsg+0x723/0xbe0 [ 9597.674361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9597.674361][ T10] ___sys_sendmsg+0xee/0x170 [ 9597.674361][ T10] __sys_sendmsg+0xcd/0x170 [ 9597.674361][ T10] do_syscall_64+0xc6/0x1e0 [ 9597.674361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9597.674361][ T10] [ 9597.676546][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9597.676546][ T10] netdev_get_by_index+0x5e/0x80 [ 9597.676546][ T10] fib6_nh_init+0x3d8/0x1580 [ 9597.676546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9597.676546][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9597.676546][ T10] ipv6_add_addr+0x411/0x2000 [ 9597.676546][ T10] inet6_addr_add+0x30e/0xa40 [ 9597.676546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9597.676546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9597.676546][ T10] netlink_rcv_skb+0x130/0x360 [ 9597.676546][ T10] netlink_unicast+0x449/0x710 [ 9597.676546][ T10] netlink_sendmsg+0x723/0xbe0 [ 9597.676546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9597.676546][ T10] ___sys_sendmsg+0xee/0x170 [ 9597.676546][ T10] __sys_sendmsg+0xcd/0x170 [ 9597.676546][ T10] do_syscall_64+0xc6/0x1e0 [ 9597.676546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9597.676546][ T10] [ 9597.678862][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9597.678862][ T10] netdev_get_by_index+0x5e/0x80 [ 9597.678862][ T10] fib6_nh_init+0x3d8/0x1580 [ 9597.678862][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9597.678862][ T10] ip6_route_add+0x1c/0x140 [ 9597.678862][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9597.678862][ T10] addrconf_add_dev+0xe2/0x170 [ 9597.678862][ T10] inet6_addr_add+0x12f/0xa40 [ 9597.678862][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9597.678862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9597.678862][ T10] netlink_rcv_skb+0x130/0x360 [ 9597.678862][ T10] netlink_unicast+0x449/0x710 [ 9597.678862][ T10] netlink_sendmsg+0x723/0xbe0 [ 9597.678862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9597.678862][ T10] ___sys_sendmsg+0xee/0x170 [ 9597.678862][ T10] __sys_sendmsg+0xcd/0x170 [ 9597.678862][ T10] do_syscall_64+0xc6/0x1e0 [ 9597.678862][ T10] [ 9597.681011][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9597.681011][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9597.681011][ T10] ipv6_find_idev+0x102/0x170 [ 9597.681011][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9597.681011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9597.681011][ T10] netlink_rcv_skb+0x130/0x360 [ 9597.681011][ T10] netlink_unicast+0x449/0x710 [ 9597.681011][ T10] netlink_sendmsg+0x723/0xbe0 [ 9597.681011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9597.681011][ T10] ___sys_sendmsg+0xee/0x170 [ 9597.681011][ T10] __sys_sendmsg+0xcd/0x170 [ 9597.681011][ T10] do_syscall_64+0xc6/0x1e0 [ 9597.681011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9597.681011][ T10] [ 9597.682740][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9597.682740][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9597.682740][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9597.682740][ T10] ipv6_find_idev+0x102/0x170 [ 9597.682740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9597.682740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9597.682740][ T10] netlink_rcv_skb+0x130/0x360 [ 9597.682740][ T10] netlink_unicast+0x449/0x710 [ 9597.682740][ T10] netlink_sendmsg+0x723/0xbe0 [ 9597.682740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9597.682740][ T10] ___sys_sendmsg+0xee/0x170 [ 9597.682740][ T10] __sys_sendmsg+0xcd/0x170 [ 9597.682740][ T10] do_syscall_64+0xc6/0x1e0 [ 9597.682740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9597.682740][ T10] [ 9597.684667][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9597.684904][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9597.684904][ T10] netdev_get_by_index+0x5e/0x80 [ 9597.684904][ T10] fib6_nh_init+0x3d8/0x1580 [ 9597.684904][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9597.684904][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9597.684904][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9597.684904][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9597.684904][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9597.684904][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9597.684904][ T10] addrconf_dad_begin+0x310/0x670 [ 9597.684904][ T10] addrconf_dad_work+0x10b/0xab0 [ 9597.684904][ T10] process_one_work+0x84d/0x18a0 [ 9597.684904][ T10] worker_thread+0x587/0xd30 [ 9597.684904][ T10] kthread+0x28a/0x350 [ 9597.684904][ T10] ret_from_fork+0x31/0x70 [ 9597.684904][ T10] ret_from_fork_asm+0x1a/0x30 [ 9597.684904][ T10] [ 9597.687119][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9597.687119][ T10] netdev_get_by_index+0x5e/0x80 [ 9597.687119][ T10] fib6_nh_init+0x3d8/0x1580 [ 9597.687119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9597.687119][ T10] ip6_route_add+0x1c/0x140 [ 9597.687119][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9597.687119][ T10] inet6_addr_add+0x4f8/0xa40 [ 9597.687119][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9597.687119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9597.687119][ T10] netlink_rcv_skb+0x130/0x360 [ 9597.687119][ T10] netlink_unicast+0x449/0x710 [ 9597.687119][ T10] netlink_sendmsg+0x723/0xbe0 [ 9597.687119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9597.687119][ T10] ___sys_sendmsg+0xee/0x170 [ 9597.687119][ T10] __sys_sendmsg+0xcd/0x170 [ 9597.687119][ T10] do_syscall_64+0xc6/0x1e0 [ 9597.687119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9597.687119][ T10] [ 9597.689302][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9597.689302][ T10] netdev_get_by_index+0x5e/0x80 [ 9597.689302][ T10] fib6_nh_init+0x3d8/0x1580 [ 9597.689302][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9597.689302][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9597.689302][ T10] ipv6_add_addr+0x411/0x2000 [ 9597.689302][ T10] inet6_addr_add+0x30e/0xa40 [ 9597.689302][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9597.689302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9597.689302][ T10] netlink_rcv_skb+0x130/0x360 [ 9597.689302][ T10] netlink_unicast+0x449/0x710 [ 9597.689302][ T10] netlink_sendmsg+0x723/0xbe0 [ 9597.689302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9597.689302][ T10] ___sys_sendmsg+0xee/0x170 [ 9597.689302][ T10] __sys_sendmsg+0xcd/0x170 [ 9597.689302][ T10] do_syscall_64+0xc6/0x1e0 [ 9597.689302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9597.689302][ T10] [ 9597.691547][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9597.691547][ T10] netdev_get_by_index+0x5e/0x80 [ 9597.691547][ T10] fib6_nh_init+0x3d8/0x1580 [ 9597.691547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9597.691547][ T10] ip6_route_add+0x1c/0x140 [ 9597.691547][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9597.691547][ T10] addrconf_add_dev+0xe2/0x170 [ 9597.691547][ T10] inet6_addr_add+0x12f/0xa40 [ 9597.691547][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9597.691547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9597.691547][ T10] netlink_rcv_skb+0x130/0x360 [ 9597.691547][ T10] netlink_unicast+0x449/0x710 [ 9597.691547][ T10] netlink_sendmsg+0x723/0xbe0 [ 9597.691547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9597.691547][ T10] ___sys_sendmsg+0xee/0x170 [ 9597.691547][ T10] __sys_sendmsg+0xcd/0x170 [ 9597.691547][ T10] do_syscall_64+0xc6/0x1e0 [ 9597.691547][ T10] [ 9597.693762][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9597.693762][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9597.693762][ T10] ipv6_find_idev+0x102/0x170 [ 9597.693762][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9597.693762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9597.693762][ T10] netlink_rcv_skb+0x130/0x360 [ 9597.693762][ T10] netlink_unicast+0x449/0x710 [ 9597.693762][ T10] netlink_sendmsg+0x723/0xbe0 [ 9597.693762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9597.693762][ T10] ___sys_sendmsg+0xee/0x170 [ 9597.693762][ T10] __sys_sendmsg+0xcd/0x170 [ 9597.693762][ T10] do_syscall_64+0xc6/0x1e0 [ 9597.693762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9597.693762][ T10] [ 9597.695486][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9597.695486][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9597.695486][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9597.695486][ T10] ipv6_find_idev+0x102/0x170 [ 9597.695486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9597.695486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9597.695486][ T10] netlink_rcv_skb+0x130/0x360 [ 9597.695486][ T10] netlink_unicast+0x449/0x710 [ 9597.695486][ T10] netlink_sendmsg+0x723/0xbe0 [ 9597.695486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9597.695486][ T10] ___sys_sendmsg+0xee/0x170 [ 9597.695486][ T10] __sys_sendmsg+0xcd/0x170 [ 9597.695486][ T10] do_syscall_64+0xc6/0x1e0 [ 9597.695486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9597.695486][ T10] [ 9601.417043][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9601.417517][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9601.417517][ T1167] dst_init+0x84/0x4a0 [ 9601.417517][ T1167] dst_alloc+0x97/0x150 [ 9601.417517][ T1167] ip6_dst_alloc+0x23/0x90 [ 9601.417517][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9601.417517][ T1167] ip6_pol_route+0x56f/0x840 [ 9601.417517][ T1167] fib6_rule_lookup+0x334/0x630 [ 9601.417517][ T1167] ip6_route_output_flags+0x259/0x480 [ 9601.417517][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9601.417517][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9601.417517][ T1167] netlink_rcv_skb+0x130/0x360 [ 9601.417517][ T1167] netlink_unicast+0x449/0x710 [ 9601.417517][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9601.417517][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9601.417517][ T1167] ___sys_sendmsg+0xee/0x170 [ 9601.417517][ T1167] __sys_sendmsg+0xcd/0x170 [ 9601.417517][ T1167] do_syscall_64+0xc6/0x1e0 [ 9601.417517][ T1167] [ 9601.419703][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9601.419703][ T1167] netdev_get_by_index+0x5e/0x80 [ 9601.419703][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9601.419703][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9601.419703][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9601.419703][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9601.419703][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9601.419703][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9601.419703][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9601.419703][ T1167] addrconf_dad_begin+0x310/0x670 [ 9601.419703][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9601.419703][ T1167] process_one_work+0x84d/0x18a0 [ 9601.419703][ T1167] worker_thread+0x587/0xd30 [ 9601.419703][ T1167] kthread+0x28a/0x350 [ 9601.419703][ T1167] ret_from_fork+0x31/0x70 [ 9601.419703][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9601.419703][ T1167] [ 9601.421842][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9601.421842][ T1167] netdev_get_by_index+0x5e/0x80 [ 9601.421842][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9601.421842][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9601.421842][ T1167] ip6_route_add+0x1c/0x140 [ 9601.421842][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9601.421842][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9601.421842][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9601.421842][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9601.421842][ T1167] netlink_rcv_skb+0x130/0x360 [ 9601.421842][ T1167] netlink_unicast+0x449/0x710 [ 9601.421842][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9601.421842][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9601.421842][ T1167] ___sys_sendmsg+0xee/0x170 [ 9601.421842][ T1167] __sys_sendmsg+0xcd/0x170 [ 9601.421842][ T1167] do_syscall_64+0xc6/0x1e0 [ 9601.421842][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9601.421842][ T1167] [ 9601.424089][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9601.424089][ T1167] netdev_get_by_index+0x5e/0x80 [ 9601.424089][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9601.424089][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9601.424089][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9601.424089][ T1167] ipv6_add_addr+0x411/0x2000 [ 9601.424089][ T1167] inet6_addr_add+0x30e/0xa40 [ 9601.424089][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9601.424089][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9601.424089][ T1167] netlink_rcv_skb+0x130/0x360 [ 9601.424089][ T1167] netlink_unicast+0x449/0x710 [ 9601.424089][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9601.424089][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9601.424089][ T1167] ___sys_sendmsg+0xee/0x170 [ 9601.424089][ T1167] __sys_sendmsg+0xcd/0x170 [ 9601.424089][ T1167] do_syscall_64+0xc6/0x1e0 [ 9601.424089][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9601.424089][ T1167] [ 9601.426318][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9601.426318][ T1167] netdev_get_by_index+0x5e/0x80 [ 9601.426318][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9601.426318][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9601.426318][ T1167] ip6_route_add+0x1c/0x140 [ 9601.426318][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9601.426318][ T1167] addrconf_add_dev+0xe2/0x170 [ 9601.426318][ T1167] inet6_addr_add+0x12f/0xa40 [ 9601.426318][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9601.426318][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9601.426318][ T1167] netlink_rcv_skb+0x130/0x360 [ 9601.426318][ T1167] netlink_unicast+0x449/0x710 [ 9601.426318][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9601.426318][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9601.426318][ T1167] ___sys_sendmsg+0xee/0x170 [ 9601.426318][ T1167] __sys_sendmsg+0xcd/0x170 [ 9601.426318][ T1167] do_syscall_64+0xc6/0x1e0 [ 9601.426318][ T1167] [ 9601.428507][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9601.428507][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9601.428507][ T1167] ipv6_find_idev+0x102/0x170 [ 9601.428507][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9601.428507][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9601.428507][ T1167] netlink_rcv_skb+0x130/0x360 [ 9601.428507][ T1167] netlink_unicast+0x449/0x710 [ 9601.428507][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9601.428507][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9601.428507][ T1167] ___sys_sendmsg+0xee/0x170 [ 9601.428507][ T1167] __sys_sendmsg+0xcd/0x170 [ 9601.428507][ T1167] do_syscall_64+0xc6/0x1e0 [ 9601.428507][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9601.428507][ T1167] [ 9601.430221][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9601.430221][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9601.430221][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9601.430221][ T1167] ipv6_find_idev+0x102/0x170 [ 9601.430221][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9601.430221][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9601.430221][ T1167] netlink_rcv_skb+0x130/0x360 [ 9601.430221][ T1167] netlink_unicast+0x449/0x710 [ 9601.430221][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9601.430221][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9601.430221][ T1167] ___sys_sendmsg+0xee/0x170 [ 9601.430221][ T1167] __sys_sendmsg+0xcd/0x170 [ 9601.430221][ T1167] do_syscall_64+0xc6/0x1e0 [ 9601.430221][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9601.430221][ T1167] [ 9607.937101][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9607.937537][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9607.937537][ T10] netdev_get_by_index+0x5e/0x80 [ 9607.937537][ T10] fib6_nh_init+0x3d8/0x1580 [ 9607.937537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9607.937537][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9607.937537][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9607.937537][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9607.937537][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9607.937537][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9607.937537][ T10] addrconf_dad_begin+0x310/0x670 [ 9607.937537][ T10] addrconf_dad_work+0x10b/0xab0 [ 9607.937537][ T10] process_one_work+0x84d/0x18a0 [ 9607.937537][ T10] worker_thread+0x587/0xd30 [ 9607.937537][ T10] kthread+0x28a/0x350 [ 9607.937537][ T10] ret_from_fork+0x31/0x70 [ 9607.937537][ T10] ret_from_fork_asm+0x1a/0x30 [ 9607.937537][ T10] [ 9607.939505][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9607.939505][ T10] netdev_get_by_index+0x5e/0x80 [ 9607.939505][ T10] fib6_nh_init+0x3d8/0x1580 [ 9607.939505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9607.939505][ T10] ip6_route_add+0x1c/0x140 [ 9607.939505][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9607.939505][ T10] inet6_addr_add+0x4f8/0xa40 [ 9607.939505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9607.939505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9607.939505][ T10] netlink_rcv_skb+0x130/0x360 [ 9607.939505][ T10] netlink_unicast+0x449/0x710 [ 9607.939505][ T10] netlink_sendmsg+0x723/0xbe0 [ 9607.939505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9607.939505][ T10] ___sys_sendmsg+0xee/0x170 [ 9607.939505][ T10] __sys_sendmsg+0xcd/0x170 [ 9607.939505][ T10] do_syscall_64+0xc6/0x1e0 [ 9607.939505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9607.939505][ T10] [ 9607.941520][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9607.941520][ T10] netdev_get_by_index+0x5e/0x80 [ 9607.941520][ T10] fib6_nh_init+0x3d8/0x1580 [ 9607.941520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9607.941520][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9607.941520][ T10] ipv6_add_addr+0x411/0x2000 [ 9607.941520][ T10] inet6_addr_add+0x30e/0xa40 [ 9607.941520][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9607.941520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9607.941520][ T10] netlink_rcv_skb+0x130/0x360 [ 9607.941520][ T10] netlink_unicast+0x449/0x710 [ 9607.941520][ T10] netlink_sendmsg+0x723/0xbe0 [ 9607.941520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9607.941520][ T10] ___sys_sendmsg+0xee/0x170 [ 9607.941520][ T10] __sys_sendmsg+0xcd/0x170 [ 9607.941520][ T10] do_syscall_64+0xc6/0x1e0 [ 9607.941520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9607.941520][ T10] [ 9607.943565][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9607.943565][ T10] netdev_get_by_index+0x5e/0x80 [ 9607.943565][ T10] fib6_nh_init+0x3d8/0x1580 [ 9607.943565][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9607.943565][ T10] ip6_route_add+0x1c/0x140 [ 9607.943565][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9607.943565][ T10] addrconf_add_dev+0xe2/0x170 [ 9607.943565][ T10] inet6_addr_add+0x12f/0xa40 [ 9607.943565][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9607.943565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9607.943565][ T10] netlink_rcv_skb+0x130/0x360 [ 9607.943565][ T10] netlink_unicast+0x449/0x710 [ 9607.943565][ T10] netlink_sendmsg+0x723/0xbe0 [ 9607.943565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9607.943565][ T10] ___sys_sendmsg+0xee/0x170 [ 9607.943565][ T10] __sys_sendmsg+0xcd/0x170 [ 9607.943565][ T10] do_syscall_64+0xc6/0x1e0 [ 9607.943565][ T10] [ 9607.945548][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9607.945548][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9607.945548][ T10] ipv6_find_idev+0x102/0x170 [ 9607.945548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9607.945548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9607.945548][ T10] netlink_rcv_skb+0x130/0x360 [ 9607.945548][ T10] netlink_unicast+0x449/0x710 [ 9607.945548][ T10] netlink_sendmsg+0x723/0xbe0 [ 9607.945548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9607.945548][ T10] ___sys_sendmsg+0xee/0x170 [ 9607.945548][ T10] __sys_sendmsg+0xcd/0x170 [ 9607.945548][ T10] do_syscall_64+0xc6/0x1e0 [ 9607.945548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9607.945548][ T10] [ 9607.947101][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9607.947101][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9607.947101][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9607.947101][ T10] ipv6_find_idev+0x102/0x170 [ 9607.947101][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9607.947101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9607.947101][ T10] netlink_rcv_skb+0x130/0x360 [ 9607.947101][ T10] netlink_unicast+0x449/0x710 [ 9607.947101][ T10] netlink_sendmsg+0x723/0xbe0 [ 9607.947101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9607.947101][ T10] ___sys_sendmsg+0xee/0x170 [ 9607.947101][ T10] __sys_sendmsg+0xcd/0x170 [ 9607.947101][ T10] do_syscall_64+0xc6/0x1e0 [ 9607.947101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9607.947101][ T10] [ 9607.948812][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9607.949067][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9607.949067][ T10] netdev_get_by_index+0x5e/0x80 [ 9607.949067][ T10] fib6_nh_init+0x3d8/0x1580 [ 9607.949067][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9607.949067][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9607.949067][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9607.949067][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9607.949067][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9607.949067][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9607.949067][ T10] addrconf_dad_begin+0x310/0x670 [ 9607.949067][ T10] addrconf_dad_work+0x10b/0xab0 [ 9607.949067][ T10] process_one_work+0x84d/0x18a0 [ 9607.949067][ T10] worker_thread+0x587/0xd30 [ 9607.949067][ T10] kthread+0x28a/0x350 [ 9607.949067][ T10] ret_from_fork+0x31/0x70 [ 9607.949067][ T10] ret_from_fork_asm+0x1a/0x30 [ 9607.949067][ T10] [ 9607.950992][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9607.950992][ T10] netdev_get_by_index+0x5e/0x80 [ 9607.950992][ T10] fib6_nh_init+0x3d8/0x1580 [ 9607.950992][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9607.950992][ T10] ip6_route_add+0x1c/0x140 [ 9607.950992][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9607.950992][ T10] inet6_addr_add+0x4f8/0xa40 [ 9607.950992][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9607.950992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9607.950992][ T10] netlink_rcv_skb+0x130/0x360 [ 9607.950992][ T10] netlink_unicast+0x449/0x710 [ 9607.950992][ T10] netlink_sendmsg+0x723/0xbe0 [ 9607.950992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9607.950992][ T10] ___sys_sendmsg+0xee/0x170 [ 9607.950992][ T10] __sys_sendmsg+0xcd/0x170 [ 9607.950992][ T10] do_syscall_64+0xc6/0x1e0 [ 9607.950992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9607.950992][ T10] [ 9607.953005][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9607.953005][ T10] netdev_get_by_index+0x5e/0x80 [ 9607.953005][ T10] fib6_nh_init+0x3d8/0x1580 [ 9607.953005][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9607.953005][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9607.953005][ T10] ipv6_add_addr+0x411/0x2000 [ 9607.953005][ T10] inet6_addr_add+0x30e/0xa40 [ 9607.953005][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9607.953005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9607.953005][ T10] netlink_rcv_skb+0x130/0x360 [ 9607.953005][ T10] netlink_unicast+0x449/0x710 [ 9607.953005][ T10] netlink_sendmsg+0x723/0xbe0 [ 9607.953005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9607.953005][ T10] ___sys_sendmsg+0xee/0x170 [ 9607.953005][ T10] __sys_sendmsg+0xcd/0x170 [ 9607.953005][ T10] do_syscall_64+0xc6/0x1e0 [ 9607.953005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9607.953005][ T10] [ 9607.955540][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9607.955540][ T10] netdev_get_by_index+0x5e/0x80 [ 9607.955540][ T10] fib6_nh_init+0x3d8/0x1580 [ 9607.955540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9607.955540][ T10] ip6_route_add+0x1c/0x140 [ 9607.955540][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9607.955540][ T10] addrconf_add_dev+0xe2/0x170 [ 9607.955540][ T10] inet6_addr_add+0x12f/0xa40 [ 9607.955540][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9607.955540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9607.955540][ T10] netlink_rcv_skb+0x130/0x360 [ 9607.955540][ T10] netlink_unicast+0x449/0x710 [ 9607.955540][ T10] netlink_sendmsg+0x723/0xbe0 [ 9607.955540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9607.955540][ T10] ___sys_sendmsg+0xee/0x170 [ 9607.955540][ T10] __sys_sendmsg+0xcd/0x170 [ 9607.955540][ T10] do_syscall_64+0xc6/0x1e0 [ 9607.955540][ T10] [ 9607.957520][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9607.957520][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9607.957520][ T10] ipv6_find_idev+0x102/0x170 [ 9607.957520][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9607.957520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9607.957520][ T10] netlink_rcv_skb+0x130/0x360 [ 9607.957520][ T10] netlink_unicast+0x449/0x710 [ 9607.957520][ T10] netlink_sendmsg+0x723/0xbe0 [ 9607.957520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9607.957520][ T10] ___sys_sendmsg+0xee/0x170 [ 9607.957520][ T10] __sys_sendmsg+0xcd/0x170 [ 9607.957520][ T10] do_syscall_64+0xc6/0x1e0 [ 9607.957520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9607.957520][ T10] [ 9607.959074][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9607.959074][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9607.959074][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9607.959074][ T10] ipv6_find_idev+0x102/0x170 [ 9607.959074][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9607.959074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9607.959074][ T10] netlink_rcv_skb+0x130/0x360 [ 9607.959074][ T10] netlink_unicast+0x449/0x710 [ 9607.959074][ T10] netlink_sendmsg+0x723/0xbe0 [ 9607.959074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9607.959074][ T10] ___sys_sendmsg+0xee/0x170 [ 9607.959074][ T10] __sys_sendmsg+0xcd/0x170 [ 9607.959074][ T10] do_syscall_64+0xc6/0x1e0 [ 9607.959074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9607.959074][ T10] [ 9607.960784][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9607.961028][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9607.961028][ T10] netdev_get_by_index+0x5e/0x80 [ 9607.961028][ T10] fib6_nh_init+0x3d8/0x1580 [ 9607.961028][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9607.961028][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9607.961028][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9607.961028][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9607.961028][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9607.961028][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9607.961028][ T10] addrconf_dad_begin+0x310/0x670 [ 9607.961028][ T10] addrconf_dad_work+0x10b/0xab0 [ 9607.961028][ T10] process_one_work+0x84d/0x18a0 [ 9607.961028][ T10] worker_thread+0x587/0xd30 [ 9607.961028][ T10] kthread+0x28a/0x350 [ 9607.961028][ T10] ret_from_fork+0x31/0x70 [ 9607.961028][ T10] ret_from_fork_asm+0x1a/0x30 [ 9607.961028][ T10] [ 9607.962949][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9607.962949][ T10] netdev_get_by_index+0x5e/0x80 [ 9607.962949][ T10] fib6_nh_init+0x3d8/0x1580 [ 9607.962949][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9607.962949][ T10] ip6_route_add+0x1c/0x140 [ 9607.962949][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9607.962949][ T10] inet6_addr_add+0x4f8/0xa40 [ 9607.962949][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9607.962949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9607.962949][ T10] netlink_rcv_skb+0x130/0x360 [ 9607.962949][ T10] netlink_unicast+0x449/0x710 [ 9607.962949][ T10] netlink_sendmsg+0x723/0xbe0 [ 9607.962949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9607.962949][ T10] ___sys_sendmsg+0xee/0x170 [ 9607.962949][ T10] __sys_sendmsg+0xcd/0x170 [ 9607.962949][ T10] do_syscall_64+0xc6/0x1e0 [ 9607.962949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9607.962949][ T10] [ 9607.965158][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9607.965158][ T10] netdev_get_by_index+0x5e/0x80 [ 9607.965158][ T10] fib6_nh_init+0x3d8/0x1580 [ 9607.965158][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9607.965158][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9607.965158][ T10] ipv6_add_addr+0x411/0x2000 [ 9607.965158][ T10] inet6_addr_add+0x30e/0xa40 [ 9607.965158][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9607.965158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9607.965158][ T10] netlink_rcv_skb+0x130/0x360 [ 9607.965158][ T10] netlink_unicast+0x449/0x710 [ 9607.965158][ T10] netlink_sendmsg+0x723/0xbe0 [ 9607.965158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9607.965158][ T10] ___sys_sendmsg+0xee/0x170 [ 9607.965158][ T10] __sys_sendmsg+0xcd/0x170 [ 9607.965158][ T10] do_syscall_64+0xc6/0x1e0 [ 9607.965158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9607.965158][ T10] [ 9607.967470][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9607.967470][ T10] netdev_get_by_index+0x5e/0x80 [ 9607.967470][ T10] fib6_nh_init+0x3d8/0x1580 [ 9607.967470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9607.967470][ T10] ip6_route_add+0x1c/0x140 [ 9607.967470][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9607.967470][ T10] addrconf_add_dev+0xe2/0x170 [ 9607.967470][ T10] inet6_addr_add+0x12f/0xa40 [ 9607.967470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9607.967470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9607.967470][ T10] netlink_rcv_skb+0x130/0x360 [ 9607.967470][ T10] netlink_unicast+0x449/0x710 [ 9607.967470][ T10] netlink_sendmsg+0x723/0xbe0 [ 9607.967470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9607.967470][ T10] ___sys_sendmsg+0xee/0x170 [ 9607.967470][ T10] __sys_sendmsg+0xcd/0x170 [ 9607.967470][ T10] do_syscall_64+0xc6/0x1e0 [ 9607.967470][ T10] [ 9607.969636][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9607.969636][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9607.969636][ T10] ipv6_find_idev+0x102/0x170 [ 9607.969636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9607.969636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9607.969636][ T10] netlink_rcv_skb+0x130/0x360 [ 9607.969636][ T10] netlink_unicast+0x449/0x710 [ 9607.969636][ T10] netlink_sendmsg+0x723/0xbe0 [ 9607.969636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9607.969636][ T10] ___sys_sendmsg+0xee/0x170 [ 9607.969636][ T10] __sys_sendmsg+0xcd/0x170 [ 9607.969636][ T10] do_syscall_64+0xc6/0x1e0 [ 9607.969636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9607.969636][ T10] [ 9607.971367][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9607.971367][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9607.971367][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9607.971367][ T10] ipv6_find_idev+0x102/0x170 [ 9607.971367][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9607.971367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9607.971367][ T10] netlink_rcv_skb+0x130/0x360 [ 9607.971367][ T10] netlink_unicast+0x449/0x710 [ 9607.971367][ T10] netlink_sendmsg+0x723/0xbe0 [ 9607.971367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9607.971367][ T10] ___sys_sendmsg+0xee/0x170 [ 9607.971367][ T10] __sys_sendmsg+0xcd/0x170 [ 9607.971367][ T10] do_syscall_64+0xc6/0x1e0 [ 9607.971367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9607.971367][ T10] [ 9607.973302][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9607.973539][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9607.973539][ T10] netdev_get_by_index+0x5e/0x80 [ 9607.973539][ T10] fib6_nh_init+0x3d8/0x1580 [ 9607.973539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9607.973539][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9607.973539][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9607.973539][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9607.973539][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9607.973539][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9607.973539][ T10] addrconf_dad_begin+0x310/0x670 [ 9607.973539][ T10] addrconf_dad_work+0x10b/0xab0 [ 9607.973539][ T10] process_one_work+0x84d/0x18a0 [ 9607.973539][ T10] worker_thread+0x587/0xd30 [ 9607.973539][ T10] kthread+0x28a/0x350 [ 9607.973539][ T10] ret_from_fork+0x31/0x70 [ 9607.973539][ T10] ret_from_fork_asm+0x1a/0x30 [ 9607.973539][ T10] [ 9607.975760][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9607.975760][ T10] netdev_get_by_index+0x5e/0x80 [ 9607.975760][ T10] fib6_nh_init+0x3d8/0x1580 [ 9607.975760][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9607.975760][ T10] ip6_route_add+0x1c/0x140 [ 9607.975760][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9607.975760][ T10] inet6_addr_add+0x4f8/0xa40 [ 9607.975760][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9607.975760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9607.975760][ T10] netlink_rcv_skb+0x130/0x360 [ 9607.975760][ T10] netlink_unicast+0x449/0x710 [ 9607.975760][ T10] netlink_sendmsg+0x723/0xbe0 [ 9607.975760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9607.975760][ T10] ___sys_sendmsg+0xee/0x170 [ 9607.975760][ T10] __sys_sendmsg+0xcd/0x170 [ 9607.975760][ T10] do_syscall_64+0xc6/0x1e0 [ 9607.975760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9607.975760][ T10] [ 9607.977954][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9607.977954][ T10] netdev_get_by_index+0x5e/0x80 [ 9607.977954][ T10] fib6_nh_init+0x3d8/0x1580 [ 9607.977954][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9607.977954][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9607.977954][ T10] ipv6_add_addr+0x411/0x2000 [ 9607.977954][ T10] inet6_addr_add+0x30e/0xa40 [ 9607.977954][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9607.977954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9607.977954][ T10] netlink_rcv_skb+0x130/0x360 [ 9607.977954][ T10] netlink_unicast+0x449/0x710 [ 9607.977954][ T10] netlink_sendmsg+0x723/0xbe0 [ 9607.977954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9607.977954][ T10] ___sys_sendmsg+0xee/0x170 [ 9607.977954][ T10] __sys_sendmsg+0xcd/0x170 [ 9607.977954][ T10] do_syscall_64+0xc6/0x1e0 [ 9607.977954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9607.977954][ T10] [ 9607.980205][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9607.980205][ T10] netdev_get_by_index+0x5e/0x80 [ 9607.980205][ T10] fib6_nh_init+0x3d8/0x1580 [ 9607.980205][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9607.980205][ T10] ip6_route_add+0x1c/0x140 [ 9607.980205][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9607.980205][ T10] addrconf_add_dev+0xe2/0x170 [ 9607.980205][ T10] inet6_addr_add+0x12f/0xa40 [ 9607.980205][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9607.980205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9607.980205][ T10] netlink_rcv_skb+0x130/0x360 [ 9607.980205][ T10] netlink_unicast+0x449/0x710 [ 9607.980205][ T10] netlink_sendmsg+0x723/0xbe0 [ 9607.980205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9607.980205][ T10] ___sys_sendmsg+0xee/0x170 [ 9607.980205][ T10] __sys_sendmsg+0xcd/0x170 [ 9607.980205][ T10] do_syscall_64+0xc6/0x1e0 [ 9607.980205][ T10] [ 9607.982429][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9607.982429][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9607.982429][ T10] ipv6_find_idev+0x102/0x170 [ 9607.982429][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9607.982429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9607.982429][ T10] netlink_rcv_skb+0x130/0x360 [ 9607.982429][ T10] netlink_unicast+0x449/0x710 [ 9607.982429][ T10] netlink_sendmsg+0x723/0xbe0 [ 9607.982429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9607.982429][ T10] ___sys_sendmsg+0xee/0x170 [ 9607.982429][ T10] __sys_sendmsg+0xcd/0x170 [ 9607.982429][ T10] do_syscall_64+0xc6/0x1e0 [ 9607.982429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9607.982429][ T10] [ 9607.984163][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9607.984163][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9607.984163][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9607.984163][ T10] ipv6_find_idev+0x102/0x170 [ 9607.984163][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9607.984163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9607.984163][ T10] netlink_rcv_skb+0x130/0x360 [ 9607.984163][ T10] netlink_unicast+0x449/0x710 [ 9607.984163][ T10] netlink_sendmsg+0x723/0xbe0 [ 9607.984163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9607.984163][ T10] ___sys_sendmsg+0xee/0x170 [ 9607.984163][ T10] __sys_sendmsg+0xcd/0x170 [ 9607.984163][ T10] do_syscall_64+0xc6/0x1e0 [ 9607.984163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9607.984163][ T10] [ 9611.673048][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9611.673546][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9611.673546][ T1167] dst_init+0x84/0x4a0 [ 9611.673546][ T1167] dst_alloc+0x97/0x150 [ 9611.673546][ T1167] ip6_dst_alloc+0x23/0x90 [ 9611.673546][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9611.673546][ T1167] ip6_pol_route+0x56f/0x840 [ 9611.673546][ T1167] fib6_rule_lookup+0x334/0x630 [ 9611.673546][ T1167] ip6_route_output_flags+0x259/0x480 [ 9611.673546][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9611.673546][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9611.673546][ T1167] netlink_rcv_skb+0x130/0x360 [ 9611.673546][ T1167] netlink_unicast+0x449/0x710 [ 9611.673546][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9611.673546][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9611.673546][ T1167] ___sys_sendmsg+0xee/0x170 [ 9611.673546][ T1167] __sys_sendmsg+0xcd/0x170 [ 9611.673546][ T1167] do_syscall_64+0xc6/0x1e0 [ 9611.673546][ T1167] [ 9611.675744][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9611.675744][ T1167] netdev_get_by_index+0x5e/0x80 [ 9611.675744][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9611.675744][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9611.675744][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9611.675744][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9611.675744][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9611.675744][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9611.675744][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9611.675744][ T1167] addrconf_dad_begin+0x310/0x670 [ 9611.675744][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9611.675744][ T1167] process_one_work+0x84d/0x18a0 [ 9611.675744][ T1167] worker_thread+0x587/0xd30 [ 9611.675744][ T1167] kthread+0x28a/0x350 [ 9611.675744][ T1167] ret_from_fork+0x31/0x70 [ 9611.675744][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9611.675744][ T1167] [ 9611.677909][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9611.677909][ T1167] netdev_get_by_index+0x5e/0x80 [ 9611.677909][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9611.677909][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9611.677909][ T1167] ip6_route_add+0x1c/0x140 [ 9611.677909][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9611.677909][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9611.677909][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9611.677909][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9611.677909][ T1167] netlink_rcv_skb+0x130/0x360 [ 9611.677909][ T1167] netlink_unicast+0x449/0x710 [ 9611.677909][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9611.677909][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9611.677909][ T1167] ___sys_sendmsg+0xee/0x170 [ 9611.677909][ T1167] __sys_sendmsg+0xcd/0x170 [ 9611.677909][ T1167] do_syscall_64+0xc6/0x1e0 [ 9611.677909][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9611.677909][ T1167] [ 9611.680145][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9611.680145][ T1167] netdev_get_by_index+0x5e/0x80 [ 9611.680145][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9611.680145][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9611.680145][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9611.680145][ T1167] ipv6_add_addr+0x411/0x2000 [ 9611.680145][ T1167] inet6_addr_add+0x30e/0xa40 [ 9611.680145][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9611.680145][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9611.680145][ T1167] netlink_rcv_skb+0x130/0x360 [ 9611.680145][ T1167] netlink_unicast+0x449/0x710 [ 9611.680145][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9611.680145][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9611.680145][ T1167] ___sys_sendmsg+0xee/0x170 [ 9611.680145][ T1167] __sys_sendmsg+0xcd/0x170 [ 9611.680145][ T1167] do_syscall_64+0xc6/0x1e0 [ 9611.680145][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9611.680145][ T1167] [ 9611.682379][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9611.682379][ T1167] netdev_get_by_index+0x5e/0x80 [ 9611.682379][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9611.682379][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9611.682379][ T1167] ip6_route_add+0x1c/0x140 [ 9611.682379][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9611.682379][ T1167] addrconf_add_dev+0xe2/0x170 [ 9611.682379][ T1167] inet6_addr_add+0x12f/0xa40 [ 9611.682379][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9611.682379][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9611.682379][ T1167] netlink_rcv_skb+0x130/0x360 [ 9611.682379][ T1167] netlink_unicast+0x449/0x710 [ 9611.682379][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9611.682379][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9611.682379][ T1167] ___sys_sendmsg+0xee/0x170 [ 9611.682379][ T1167] __sys_sendmsg+0xcd/0x170 [ 9611.682379][ T1167] do_syscall_64+0xc6/0x1e0 [ 9611.682379][ T1167] [ 9611.684584][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9611.684584][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9611.684584][ T1167] ipv6_find_idev+0x102/0x170 [ 9611.684584][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9611.684584][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9611.684584][ T1167] netlink_rcv_skb+0x130/0x360 [ 9611.684584][ T1167] netlink_unicast+0x449/0x710 [ 9611.684584][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9611.684584][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9611.684584][ T1167] ___sys_sendmsg+0xee/0x170 [ 9611.684584][ T1167] __sys_sendmsg+0xcd/0x170 [ 9611.684584][ T1167] do_syscall_64+0xc6/0x1e0 [ 9611.684584][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9611.684584][ T1167] [ 9611.686307][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9611.686307][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9611.686307][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9611.686307][ T1167] ipv6_find_idev+0x102/0x170 [ 9611.686307][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9611.686307][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9611.686307][ T1167] netlink_rcv_skb+0x130/0x360 [ 9611.686307][ T1167] netlink_unicast+0x449/0x710 [ 9611.686307][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9611.686307][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9611.686307][ T1167] ___sys_sendmsg+0xee/0x170 [ 9611.686307][ T1167] __sys_sendmsg+0xcd/0x170 [ 9611.686307][ T1167] do_syscall_64+0xc6/0x1e0 [ 9611.686307][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9611.686307][ T1167] [ 9618.105115][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9618.105516][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9618.105516][ T10] netdev_get_by_index+0x5e/0x80 [ 9618.105516][ T10] fib6_nh_init+0x3d8/0x1580 [ 9618.105516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9618.105516][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9618.105516][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9618.105516][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9618.105516][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9618.105516][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9618.105516][ T10] addrconf_dad_begin+0x310/0x670 [ 9618.105516][ T10] addrconf_dad_work+0x10b/0xab0 [ 9618.105516][ T10] process_one_work+0x84d/0x18a0 [ 9618.105516][ T10] worker_thread+0x587/0xd30 [ 9618.105516][ T10] kthread+0x28a/0x350 [ 9618.105516][ T10] ret_from_fork+0x31/0x70 [ 9618.105516][ T10] ret_from_fork_asm+0x1a/0x30 [ 9618.105516][ T10] [ 9618.107470][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9618.107470][ T10] netdev_get_by_index+0x5e/0x80 [ 9618.107470][ T10] fib6_nh_init+0x3d8/0x1580 [ 9618.107470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9618.107470][ T10] ip6_route_add+0x1c/0x140 [ 9618.107470][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9618.107470][ T10] inet6_addr_add+0x4f8/0xa40 [ 9618.107470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9618.107470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9618.107470][ T10] netlink_rcv_skb+0x130/0x360 [ 9618.107470][ T10] netlink_unicast+0x449/0x710 [ 9618.107470][ T10] netlink_sendmsg+0x723/0xbe0 [ 9618.107470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9618.107470][ T10] ___sys_sendmsg+0xee/0x170 [ 9618.107470][ T10] __sys_sendmsg+0xcd/0x170 [ 9618.107470][ T10] do_syscall_64+0xc6/0x1e0 [ 9618.107470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9618.107470][ T10] [ 9618.109456][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9618.109456][ T10] netdev_get_by_index+0x5e/0x80 [ 9618.109456][ T10] fib6_nh_init+0x3d8/0x1580 [ 9618.109456][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9618.109456][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9618.109456][ T10] ipv6_add_addr+0x411/0x2000 [ 9618.109456][ T10] inet6_addr_add+0x30e/0xa40 [ 9618.109456][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9618.109456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9618.109456][ T10] netlink_rcv_skb+0x130/0x360 [ 9618.109456][ T10] netlink_unicast+0x449/0x710 [ 9618.109456][ T10] netlink_sendmsg+0x723/0xbe0 [ 9618.109456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9618.109456][ T10] ___sys_sendmsg+0xee/0x170 [ 9618.109456][ T10] __sys_sendmsg+0xcd/0x170 [ 9618.109456][ T10] do_syscall_64+0xc6/0x1e0 [ 9618.109456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9618.109456][ T10] [ 9618.111436][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9618.111436][ T10] netdev_get_by_index+0x5e/0x80 [ 9618.111436][ T10] fib6_nh_init+0x3d8/0x1580 [ 9618.111436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9618.111436][ T10] ip6_route_add+0x1c/0x140 [ 9618.111436][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9618.111436][ T10] addrconf_add_dev+0xe2/0x170 [ 9618.111436][ T10] inet6_addr_add+0x12f/0xa40 [ 9618.111436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9618.111436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9618.111436][ T10] netlink_rcv_skb+0x130/0x360 [ 9618.111436][ T10] netlink_unicast+0x449/0x710 [ 9618.111436][ T10] netlink_sendmsg+0x723/0xbe0 [ 9618.111436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9618.111436][ T10] ___sys_sendmsg+0xee/0x170 [ 9618.111436][ T10] __sys_sendmsg+0xcd/0x170 [ 9618.111436][ T10] do_syscall_64+0xc6/0x1e0 [ 9618.111436][ T10] [ 9618.113389][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9618.113389][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9618.113389][ T10] ipv6_find_idev+0x102/0x170 [ 9618.113389][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9618.113389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9618.113389][ T10] netlink_rcv_skb+0x130/0x360 [ 9618.113389][ T10] netlink_unicast+0x449/0x710 [ 9618.113389][ T10] netlink_sendmsg+0x723/0xbe0 [ 9618.113389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9618.113389][ T10] ___sys_sendmsg+0xee/0x170 [ 9618.113389][ T10] __sys_sendmsg+0xcd/0x170 [ 9618.113389][ T10] do_syscall_64+0xc6/0x1e0 [ 9618.113389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9618.113389][ T10] [ 9618.114914][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9618.114914][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9618.114914][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9618.114914][ T10] ipv6_find_idev+0x102/0x170 [ 9618.114914][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9618.114914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9618.114914][ T10] netlink_rcv_skb+0x130/0x360 [ 9618.114914][ T10] netlink_unicast+0x449/0x710 [ 9618.114914][ T10] netlink_sendmsg+0x723/0xbe0 [ 9618.114914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9618.114914][ T10] ___sys_sendmsg+0xee/0x170 [ 9618.114914][ T10] __sys_sendmsg+0xcd/0x170 [ 9618.114914][ T10] do_syscall_64+0xc6/0x1e0 [ 9618.114914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9618.114914][ T10] [ 9618.116586][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9618.116829][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9618.116829][ T10] netdev_get_by_index+0x5e/0x80 [ 9618.116829][ T10] fib6_nh_init+0x3d8/0x1580 [ 9618.116829][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9618.116829][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9618.116829][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9618.116829][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9618.116829][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9618.116829][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9618.116829][ T10] addrconf_dad_begin+0x310/0x670 [ 9618.116829][ T10] addrconf_dad_work+0x10b/0xab0 [ 9618.116829][ T10] process_one_work+0x84d/0x18a0 [ 9618.116829][ T10] worker_thread+0x587/0xd30 [ 9618.116829][ T10] kthread+0x28a/0x350 [ 9618.116829][ T10] ret_from_fork+0x31/0x70 [ 9618.116829][ T10] ret_from_fork_asm+0x1a/0x30 [ 9618.116829][ T10] [ 9618.118719][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9618.118719][ T10] netdev_get_by_index+0x5e/0x80 [ 9618.118719][ T10] fib6_nh_init+0x3d8/0x1580 [ 9618.118719][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9618.118719][ T10] ip6_route_add+0x1c/0x140 [ 9618.118719][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9618.118719][ T10] inet6_addr_add+0x4f8/0xa40 [ 9618.118719][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9618.118719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9618.118719][ T10] netlink_rcv_skb+0x130/0x360 [ 9618.118719][ T10] netlink_unicast+0x449/0x710 [ 9618.118719][ T10] netlink_sendmsg+0x723/0xbe0 [ 9618.118719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9618.118719][ T10] ___sys_sendmsg+0xee/0x170 [ 9618.118719][ T10] __sys_sendmsg+0xcd/0x170 [ 9618.118719][ T10] do_syscall_64+0xc6/0x1e0 [ 9618.118719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9618.118719][ T10] [ 9618.120699][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9618.120699][ T10] netdev_get_by_index+0x5e/0x80 [ 9618.120699][ T10] fib6_nh_init+0x3d8/0x1580 [ 9618.120699][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9618.120699][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9618.120699][ T10] ipv6_add_addr+0x411/0x2000 [ 9618.120699][ T10] inet6_addr_add+0x30e/0xa40 [ 9618.120699][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9618.120699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9618.120699][ T10] netlink_rcv_skb+0x130/0x360 [ 9618.120699][ T10] netlink_unicast+0x449/0x710 [ 9618.120699][ T10] netlink_sendmsg+0x723/0xbe0 [ 9618.120699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9618.120699][ T10] ___sys_sendmsg+0xee/0x170 [ 9618.120699][ T10] __sys_sendmsg+0xcd/0x170 [ 9618.120699][ T10] do_syscall_64+0xc6/0x1e0 [ 9618.120699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9618.120699][ T10] [ 9618.122684][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9618.122684][ T10] netdev_get_by_index+0x5e/0x80 [ 9618.122684][ T10] fib6_nh_init+0x3d8/0x1580 [ 9618.122684][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9618.122684][ T10] ip6_route_add+0x1c/0x140 [ 9618.122684][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9618.122684][ T10] addrconf_add_dev+0xe2/0x170 [ 9618.122684][ T10] inet6_addr_add+0x12f/0xa40 [ 9618.122684][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9618.122684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9618.122684][ T10] netlink_rcv_skb+0x130/0x360 [ 9618.122684][ T10] netlink_unicast+0x449/0x710 [ 9618.122684][ T10] netlink_sendmsg+0x723/0xbe0 [ 9618.122684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9618.122684][ T10] ___sys_sendmsg+0xee/0x170 [ 9618.122684][ T10] __sys_sendmsg+0xcd/0x170 [ 9618.122684][ T10] do_syscall_64+0xc6/0x1e0 [ 9618.122684][ T10] [ 9618.124632][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9618.124632][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9618.124632][ T10] ipv6_find_idev+0x102/0x170 [ 9618.124632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9618.124632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9618.124632][ T10] netlink_rcv_skb+0x130/0x360 [ 9618.124632][ T10] netlink_unicast+0x449/0x710 [ 9618.124632][ T10] netlink_sendmsg+0x723/0xbe0 [ 9618.124632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9618.124632][ T10] ___sys_sendmsg+0xee/0x170 [ 9618.124632][ T10] __sys_sendmsg+0xcd/0x170 [ 9618.124632][ T10] do_syscall_64+0xc6/0x1e0 [ 9618.124632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9618.124632][ T10] [ 9618.126156][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9618.126156][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9618.126156][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9618.126156][ T10] ipv6_find_idev+0x102/0x170 [ 9618.126156][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9618.126156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9618.126156][ T10] netlink_rcv_skb+0x130/0x360 [ 9618.126156][ T10] netlink_unicast+0x449/0x710 [ 9618.126156][ T10] netlink_sendmsg+0x723/0xbe0 [ 9618.126156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9618.126156][ T10] ___sys_sendmsg+0xee/0x170 [ 9618.126156][ T10] __sys_sendmsg+0xcd/0x170 [ 9618.126156][ T10] do_syscall_64+0xc6/0x1e0 [ 9618.126156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9618.126156][ T10] [ 9618.127823][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9618.128065][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9618.128065][ T10] netdev_get_by_index+0x5e/0x80 [ 9618.128065][ T10] fib6_nh_init+0x3d8/0x1580 [ 9618.128065][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9618.128065][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9618.128065][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9618.128065][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9618.128065][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9618.128065][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9618.128065][ T10] addrconf_dad_begin+0x310/0x670 [ 9618.128065][ T10] addrconf_dad_work+0x10b/0xab0 [ 9618.128065][ T10] process_one_work+0x84d/0x18a0 [ 9618.128065][ T10] worker_thread+0x587/0xd30 [ 9618.128065][ T10] kthread+0x28a/0x350 [ 9618.128065][ T10] ret_from_fork+0x31/0x70 [ 9618.128065][ T10] ret_from_fork_asm+0x1a/0x30 [ 9618.128065][ T10] [ 9618.129953][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9618.129953][ T10] netdev_get_by_index+0x5e/0x80 [ 9618.129953][ T10] fib6_nh_init+0x3d8/0x1580 [ 9618.129953][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9618.129953][ T10] ip6_route_add+0x1c/0x140 [ 9618.129953][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9618.129953][ T10] inet6_addr_add+0x4f8/0xa40 [ 9618.129953][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9618.129953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9618.129953][ T10] netlink_rcv_skb+0x130/0x360 [ 9618.129953][ T10] netlink_unicast+0x449/0x710 [ 9618.129953][ T10] netlink_sendmsg+0x723/0xbe0 [ 9618.129953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9618.129953][ T10] ___sys_sendmsg+0xee/0x170 [ 9618.129953][ T10] __sys_sendmsg+0xcd/0x170 [ 9618.129953][ T10] do_syscall_64+0xc6/0x1e0 [ 9618.129953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9618.129953][ T10] [ 9618.132120][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9618.132120][ T10] netdev_get_by_index+0x5e/0x80 [ 9618.132120][ T10] fib6_nh_init+0x3d8/0x1580 [ 9618.132120][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9618.132120][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9618.132120][ T10] ipv6_add_addr+0x411/0x2000 [ 9618.132120][ T10] inet6_addr_add+0x30e/0xa40 [ 9618.132120][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9618.132120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9618.132120][ T10] netlink_rcv_skb+0x130/0x360 [ 9618.132120][ T10] netlink_unicast+0x449/0x710 [ 9618.132120][ T10] netlink_sendmsg+0x723/0xbe0 [ 9618.132120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9618.132120][ T10] ___sys_sendmsg+0xee/0x170 [ 9618.132120][ T10] __sys_sendmsg+0xcd/0x170 [ 9618.132120][ T10] do_syscall_64+0xc6/0x1e0 [ 9618.132120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9618.132120][ T10] [ 9618.134401][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9618.134401][ T10] netdev_get_by_index+0x5e/0x80 [ 9618.134401][ T10] fib6_nh_init+0x3d8/0x1580 [ 9618.134401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9618.134401][ T10] ip6_route_add+0x1c/0x140 [ 9618.134401][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9618.134401][ T10] addrconf_add_dev+0xe2/0x170 [ 9618.134401][ T10] inet6_addr_add+0x12f/0xa40 [ 9618.134401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9618.134401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9618.134401][ T10] netlink_rcv_skb+0x130/0x360 [ 9618.134401][ T10] netlink_unicast+0x449/0x710 [ 9618.134401][ T10] netlink_sendmsg+0x723/0xbe0 [ 9618.134401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9618.134401][ T10] ___sys_sendmsg+0xee/0x170 [ 9618.134401][ T10] __sys_sendmsg+0xcd/0x170 [ 9618.134401][ T10] do_syscall_64+0xc6/0x1e0 [ 9618.134401][ T10] [ 9618.136523][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9618.136523][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9618.136523][ T10] ipv6_find_idev+0x102/0x170 [ 9618.136523][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9618.136523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9618.136523][ T10] netlink_rcv_skb+0x130/0x360 [ 9618.136523][ T10] netlink_unicast+0x449/0x710 [ 9618.136523][ T10] netlink_sendmsg+0x723/0xbe0 [ 9618.136523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9618.136523][ T10] ___sys_sendmsg+0xee/0x170 [ 9618.136523][ T10] __sys_sendmsg+0xcd/0x170 [ 9618.136523][ T10] do_syscall_64+0xc6/0x1e0 [ 9618.136523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9618.136523][ T10] [ 9618.138222][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9618.138222][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9618.138222][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9618.138222][ T10] ipv6_find_idev+0x102/0x170 [ 9618.138222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9618.138222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9618.138222][ T10] netlink_rcv_skb+0x130/0x360 [ 9618.138222][ T10] netlink_unicast+0x449/0x710 [ 9618.138222][ T10] netlink_sendmsg+0x723/0xbe0 [ 9618.138222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9618.138222][ T10] ___sys_sendmsg+0xee/0x170 [ 9618.138222][ T10] __sys_sendmsg+0xcd/0x170 [ 9618.138222][ T10] do_syscall_64+0xc6/0x1e0 [ 9618.138222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9618.138222][ T10] [ 9618.140127][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9618.140358][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9618.140358][ T10] netdev_get_by_index+0x5e/0x80 [ 9618.140358][ T10] fib6_nh_init+0x3d8/0x1580 [ 9618.140358][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9618.140358][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9618.140358][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9618.140358][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9618.140358][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9618.140358][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9618.140358][ T10] addrconf_dad_begin+0x310/0x670 [ 9618.140358][ T10] addrconf_dad_work+0x10b/0xab0 [ 9618.140358][ T10] process_one_work+0x84d/0x18a0 [ 9618.140358][ T10] worker_thread+0x587/0xd30 [ 9618.140358][ T10] kthread+0x28a/0x350 [ 9618.140358][ T10] ret_from_fork+0x31/0x70 [ 9618.140358][ T10] ret_from_fork_asm+0x1a/0x30 [ 9618.140358][ T10] [ 9618.142545][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9618.142545][ T10] netdev_get_by_index+0x5e/0x80 [ 9618.142545][ T10] fib6_nh_init+0x3d8/0x1580 [ 9618.142545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9618.142545][ T10] ip6_route_add+0x1c/0x140 [ 9618.142545][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9618.142545][ T10] inet6_addr_add+0x4f8/0xa40 [ 9618.142545][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9618.142545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9618.142545][ T10] netlink_rcv_skb+0x130/0x360 [ 9618.142545][ T10] netlink_unicast+0x449/0x710 [ 9618.142545][ T10] netlink_sendmsg+0x723/0xbe0 [ 9618.142545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9618.142545][ T10] ___sys_sendmsg+0xee/0x170 [ 9618.142545][ T10] __sys_sendmsg+0xcd/0x170 [ 9618.142545][ T10] do_syscall_64+0xc6/0x1e0 [ 9618.142545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9618.142545][ T10] [ 9618.144706][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9618.144706][ T10] netdev_get_by_index+0x5e/0x80 [ 9618.144706][ T10] fib6_nh_init+0x3d8/0x1580 [ 9618.144706][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9618.144706][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9618.144706][ T10] ipv6_add_addr+0x411/0x2000 [ 9618.144706][ T10] inet6_addr_add+0x30e/0xa40 [ 9618.144706][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9618.144706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9618.144706][ T10] netlink_rcv_skb+0x130/0x360 [ 9618.144706][ T10] netlink_unicast+0x449/0x710 [ 9618.144706][ T10] netlink_sendmsg+0x723/0xbe0 [ 9618.144706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9618.144706][ T10] ___sys_sendmsg+0xee/0x170 [ 9618.144706][ T10] __sys_sendmsg+0xcd/0x170 [ 9618.144706][ T10] do_syscall_64+0xc6/0x1e0 [ 9618.144706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9618.144706][ T10] [ 9618.146923][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9618.146923][ T10] netdev_get_by_index+0x5e/0x80 [ 9618.146923][ T10] fib6_nh_init+0x3d8/0x1580 [ 9618.146923][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9618.146923][ T10] ip6_route_add+0x1c/0x140 [ 9618.146923][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9618.146923][ T10] addrconf_add_dev+0xe2/0x170 [ 9618.146923][ T10] inet6_addr_add+0x12f/0xa40 [ 9618.146923][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9618.146923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9618.146923][ T10] netlink_rcv_skb+0x130/0x360 [ 9618.146923][ T10] netlink_unicast+0x449/0x710 [ 9618.146923][ T10] netlink_sendmsg+0x723/0xbe0 [ 9618.146923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9618.146923][ T10] ___sys_sendmsg+0xee/0x170 [ 9618.146923][ T10] __sys_sendmsg+0xcd/0x170 [ 9618.146923][ T10] do_syscall_64+0xc6/0x1e0 [ 9618.146923][ T10] [ 9618.149102][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9618.149102][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9618.149102][ T10] ipv6_find_idev+0x102/0x170 [ 9618.149102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9618.149102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9618.149102][ T10] netlink_rcv_skb+0x130/0x360 [ 9618.149102][ T10] netlink_unicast+0x449/0x710 [ 9618.149102][ T10] netlink_sendmsg+0x723/0xbe0 [ 9618.149102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9618.149102][ T10] ___sys_sendmsg+0xee/0x170 [ 9618.149102][ T10] __sys_sendmsg+0xcd/0x170 [ 9618.149102][ T10] do_syscall_64+0xc6/0x1e0 [ 9618.149102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9618.149102][ T10] [ 9618.150800][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9618.150800][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9618.150800][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9618.150800][ T10] ipv6_find_idev+0x102/0x170 [ 9618.150800][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9618.150800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9618.150800][ T10] netlink_rcv_skb+0x130/0x360 [ 9618.150800][ T10] netlink_unicast+0x449/0x710 [ 9618.150800][ T10] netlink_sendmsg+0x723/0xbe0 [ 9618.150800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9618.150800][ T10] ___sys_sendmsg+0xee/0x170 [ 9618.150800][ T10] __sys_sendmsg+0xcd/0x170 [ 9618.150800][ T10] do_syscall_64+0xc6/0x1e0 [ 9618.150800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9618.150800][ T10] [ 9621.689107][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9621.689602][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9621.689602][ T1167] dst_init+0x84/0x4a0 [ 9621.689602][ T1167] dst_alloc+0x97/0x150 [ 9621.689602][ T1167] ip6_dst_alloc+0x23/0x90 [ 9621.689602][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9621.689602][ T1167] ip6_pol_route+0x56f/0x840 [ 9621.689602][ T1167] fib6_rule_lookup+0x334/0x630 [ 9621.689602][ T1167] ip6_route_output_flags+0x259/0x480 [ 9621.689602][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9621.689602][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9621.689602][ T1167] netlink_rcv_skb+0x130/0x360 [ 9621.689602][ T1167] netlink_unicast+0x449/0x710 [ 9621.689602][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9621.689602][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9621.689602][ T1167] ___sys_sendmsg+0xee/0x170 [ 9621.689602][ T1167] __sys_sendmsg+0xcd/0x170 [ 9621.689602][ T1167] do_syscall_64+0xc6/0x1e0 [ 9621.689602][ T1167] [ 9621.691819][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9621.691819][ T1167] netdev_get_by_index+0x5e/0x80 [ 9621.691819][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9621.691819][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9621.691819][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9621.691819][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9621.691819][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9621.691819][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9621.691819][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9621.691819][ T1167] addrconf_dad_begin+0x310/0x670 [ 9621.691819][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9621.691819][ T1167] process_one_work+0x84d/0x18a0 [ 9621.691819][ T1167] worker_thread+0x587/0xd30 [ 9621.691819][ T1167] kthread+0x28a/0x350 [ 9621.691819][ T1167] ret_from_fork+0x31/0x70 [ 9621.691819][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9621.691819][ T1167] [ 9621.693984][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9621.693984][ T1167] netdev_get_by_index+0x5e/0x80 [ 9621.693984][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9621.693984][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9621.693984][ T1167] ip6_route_add+0x1c/0x140 [ 9621.693984][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9621.693984][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9621.693984][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9621.693984][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9621.693984][ T1167] netlink_rcv_skb+0x130/0x360 [ 9621.693984][ T1167] netlink_unicast+0x449/0x710 [ 9621.693984][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9621.693984][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9621.693984][ T1167] ___sys_sendmsg+0xee/0x170 [ 9621.693984][ T1167] __sys_sendmsg+0xcd/0x170 [ 9621.693984][ T1167] do_syscall_64+0xc6/0x1e0 [ 9621.693984][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9621.693984][ T1167] [ 9621.696243][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9621.696243][ T1167] netdev_get_by_index+0x5e/0x80 [ 9621.696243][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9621.696243][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9621.696243][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9621.696243][ T1167] ipv6_add_addr+0x411/0x2000 [ 9621.696243][ T1167] inet6_addr_add+0x30e/0xa40 [ 9621.696243][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9621.696243][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9621.696243][ T1167] netlink_rcv_skb+0x130/0x360 [ 9621.696243][ T1167] netlink_unicast+0x449/0x710 [ 9621.696243][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9621.696243][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9621.696243][ T1167] ___sys_sendmsg+0xee/0x170 [ 9621.696243][ T1167] __sys_sendmsg+0xcd/0x170 [ 9621.696243][ T1167] do_syscall_64+0xc6/0x1e0 [ 9621.696243][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9621.696243][ T1167] [ 9621.698507][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9621.698507][ T1167] netdev_get_by_index+0x5e/0x80 [ 9621.698507][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9621.698507][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9621.698507][ T1167] ip6_route_add+0x1c/0x140 [ 9621.698507][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9621.698507][ T1167] addrconf_add_dev+0xe2/0x170 [ 9621.698507][ T1167] inet6_addr_add+0x12f/0xa40 [ 9621.698507][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9621.698507][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9621.698507][ T1167] netlink_rcv_skb+0x130/0x360 [ 9621.698507][ T1167] netlink_unicast+0x449/0x710 [ 9621.698507][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9621.698507][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9621.698507][ T1167] ___sys_sendmsg+0xee/0x170 [ 9621.698507][ T1167] __sys_sendmsg+0xcd/0x170 [ 9621.698507][ T1167] do_syscall_64+0xc6/0x1e0 [ 9621.698507][ T1167] [ 9621.700745][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9621.700745][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9621.700745][ T1167] ipv6_find_idev+0x102/0x170 [ 9621.700745][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9621.700745][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9621.700745][ T1167] netlink_rcv_skb+0x130/0x360 [ 9621.700745][ T1167] netlink_unicast+0x449/0x710 [ 9621.700745][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9621.700745][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9621.700745][ T1167] ___sys_sendmsg+0xee/0x170 [ 9621.700745][ T1167] __sys_sendmsg+0xcd/0x170 [ 9621.700745][ T1167] do_syscall_64+0xc6/0x1e0 [ 9621.700745][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9621.700745][ T1167] [ 9621.702489][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9621.702489][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9621.702489][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9621.702489][ T1167] ipv6_find_idev+0x102/0x170 [ 9621.702489][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9621.702489][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9621.702489][ T1167] netlink_rcv_skb+0x130/0x360 [ 9621.702489][ T1167] netlink_unicast+0x449/0x710 [ 9621.702489][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9621.702489][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9621.702489][ T1167] ___sys_sendmsg+0xee/0x170 [ 9621.702489][ T1167] __sys_sendmsg+0xcd/0x170 [ 9621.702489][ T1167] do_syscall_64+0xc6/0x1e0 [ 9621.702489][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9621.702489][ T1167] [ 9628.281124][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9628.281543][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9628.281543][ T10] netdev_get_by_index+0x5e/0x80 [ 9628.281543][ T10] fib6_nh_init+0x3d8/0x1580 [ 9628.281543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9628.281543][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9628.281543][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9628.281543][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9628.281543][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9628.281543][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9628.281543][ T10] addrconf_dad_begin+0x310/0x670 [ 9628.281543][ T10] addrconf_dad_work+0x10b/0xab0 [ 9628.281543][ T10] process_one_work+0x84d/0x18a0 [ 9628.281543][ T10] worker_thread+0x587/0xd30 [ 9628.281543][ T10] kthread+0x28a/0x350 [ 9628.281543][ T10] ret_from_fork+0x31/0x70 [ 9628.281543][ T10] ret_from_fork_asm+0x1a/0x30 [ 9628.281543][ T10] [ 9628.283485][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9628.283485][ T10] netdev_get_by_index+0x5e/0x80 [ 9628.283485][ T10] fib6_nh_init+0x3d8/0x1580 [ 9628.283485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9628.283485][ T10] ip6_route_add+0x1c/0x140 [ 9628.283485][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9628.283485][ T10] inet6_addr_add+0x4f8/0xa40 [ 9628.283485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9628.283485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9628.283485][ T10] netlink_rcv_skb+0x130/0x360 [ 9628.283485][ T10] netlink_unicast+0x449/0x710 [ 9628.283485][ T10] netlink_sendmsg+0x723/0xbe0 [ 9628.283485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9628.283485][ T10] ___sys_sendmsg+0xee/0x170 [ 9628.283485][ T10] __sys_sendmsg+0xcd/0x170 [ 9628.283485][ T10] do_syscall_64+0xc6/0x1e0 [ 9628.283485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9628.283485][ T10] [ 9628.285483][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9628.285483][ T10] netdev_get_by_index+0x5e/0x80 [ 9628.285483][ T10] fib6_nh_init+0x3d8/0x1580 [ 9628.285483][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9628.285483][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9628.285483][ T10] ipv6_add_addr+0x411/0x2000 [ 9628.285483][ T10] inet6_addr_add+0x30e/0xa40 [ 9628.285483][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9628.285483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9628.285483][ T10] netlink_rcv_skb+0x130/0x360 [ 9628.285483][ T10] netlink_unicast+0x449/0x710 [ 9628.285483][ T10] netlink_sendmsg+0x723/0xbe0 [ 9628.285483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9628.285483][ T10] ___sys_sendmsg+0xee/0x170 [ 9628.285483][ T10] __sys_sendmsg+0xcd/0x170 [ 9628.285483][ T10] do_syscall_64+0xc6/0x1e0 [ 9628.285483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9628.285483][ T10] [ 9628.287467][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9628.287467][ T10] netdev_get_by_index+0x5e/0x80 [ 9628.287467][ T10] fib6_nh_init+0x3d8/0x1580 [ 9628.287467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9628.287467][ T10] ip6_route_add+0x1c/0x140 [ 9628.287467][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9628.287467][ T10] addrconf_add_dev+0xe2/0x170 [ 9628.287467][ T10] inet6_addr_add+0x12f/0xa40 [ 9628.287467][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9628.287467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9628.287467][ T10] netlink_rcv_skb+0x130/0x360 [ 9628.287467][ T10] netlink_unicast+0x449/0x710 [ 9628.287467][ T10] netlink_sendmsg+0x723/0xbe0 [ 9628.287467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9628.287467][ T10] ___sys_sendmsg+0xee/0x170 [ 9628.287467][ T10] __sys_sendmsg+0xcd/0x170 [ 9628.287467][ T10] do_syscall_64+0xc6/0x1e0 [ 9628.287467][ T10] [ 9628.289937][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9628.289937][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9628.289937][ T10] ipv6_find_idev+0x102/0x170 [ 9628.289937][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9628.289937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9628.289937][ T10] netlink_rcv_skb+0x130/0x360 [ 9628.289937][ T10] netlink_unicast+0x449/0x710 [ 9628.289937][ T10] netlink_sendmsg+0x723/0xbe0 [ 9628.289937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9628.289937][ T10] ___sys_sendmsg+0xee/0x170 [ 9628.289937][ T10] __sys_sendmsg+0xcd/0x170 [ 9628.289937][ T10] do_syscall_64+0xc6/0x1e0 [ 9628.289937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9628.289937][ T10] [ 9628.291464][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9628.291464][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9628.291464][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9628.291464][ T10] ipv6_find_idev+0x102/0x170 [ 9628.291464][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9628.291464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9628.291464][ T10] netlink_rcv_skb+0x130/0x360 [ 9628.291464][ T10] netlink_unicast+0x449/0x710 [ 9628.291464][ T10] netlink_sendmsg+0x723/0xbe0 [ 9628.291464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9628.291464][ T10] ___sys_sendmsg+0xee/0x170 [ 9628.291464][ T10] __sys_sendmsg+0xcd/0x170 [ 9628.291464][ T10] do_syscall_64+0xc6/0x1e0 [ 9628.291464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9628.291464][ T10] [ 9628.293154][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9628.293394][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9628.293394][ T10] netdev_get_by_index+0x5e/0x80 [ 9628.293394][ T10] fib6_nh_init+0x3d8/0x1580 [ 9628.293394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9628.293394][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9628.293394][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9628.293394][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9628.293394][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9628.293394][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9628.293394][ T10] addrconf_dad_begin+0x310/0x670 [ 9628.293394][ T10] addrconf_dad_work+0x10b/0xab0 [ 9628.293394][ T10] process_one_work+0x84d/0x18a0 [ 9628.293394][ T10] worker_thread+0x587/0xd30 [ 9628.293394][ T10] kthread+0x28a/0x350 [ 9628.293394][ T10] ret_from_fork+0x31/0x70 [ 9628.293394][ T10] ret_from_fork_asm+0x1a/0x30 [ 9628.293394][ T10] [ 9628.295284][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9628.295284][ T10] netdev_get_by_index+0x5e/0x80 [ 9628.295284][ T10] fib6_nh_init+0x3d8/0x1580 [ 9628.295284][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9628.295284][ T10] ip6_route_add+0x1c/0x140 [ 9628.295284][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9628.295284][ T10] inet6_addr_add+0x4f8/0xa40 [ 9628.295284][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9628.295284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9628.295284][ T10] netlink_rcv_skb+0x130/0x360 [ 9628.295284][ T10] netlink_unicast+0x449/0x710 [ 9628.295284][ T10] netlink_sendmsg+0x723/0xbe0 [ 9628.295284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9628.295284][ T10] ___sys_sendmsg+0xee/0x170 [ 9628.295284][ T10] __sys_sendmsg+0xcd/0x170 [ 9628.295284][ T10] do_syscall_64+0xc6/0x1e0 [ 9628.295284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9628.295284][ T10] [ 9628.297266][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9628.297266][ T10] netdev_get_by_index+0x5e/0x80 [ 9628.297266][ T10] fib6_nh_init+0x3d8/0x1580 [ 9628.297266][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9628.297266][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9628.297266][ T10] ipv6_add_addr+0x411/0x2000 [ 9628.297266][ T10] inet6_addr_add+0x30e/0xa40 [ 9628.297266][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9628.297266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9628.297266][ T10] netlink_rcv_skb+0x130/0x360 [ 9628.297266][ T10] netlink_unicast+0x449/0x710 [ 9628.297266][ T10] netlink_sendmsg+0x723/0xbe0 [ 9628.297266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9628.297266][ T10] ___sys_sendmsg+0xee/0x170 [ 9628.297266][ T10] __sys_sendmsg+0xcd/0x170 [ 9628.297266][ T10] do_syscall_64+0xc6/0x1e0 [ 9628.297266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9628.297266][ T10] [ 9628.299252][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9628.299252][ T10] netdev_get_by_index+0x5e/0x80 [ 9628.299252][ T10] fib6_nh_init+0x3d8/0x1580 [ 9628.299252][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9628.299252][ T10] ip6_route_add+0x1c/0x140 [ 9628.299252][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9628.299252][ T10] addrconf_add_dev+0xe2/0x170 [ 9628.299252][ T10] inet6_addr_add+0x12f/0xa40 [ 9628.299252][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9628.299252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9628.299252][ T10] netlink_rcv_skb+0x130/0x360 [ 9628.299252][ T10] netlink_unicast+0x449/0x710 [ 9628.299252][ T10] netlink_sendmsg+0x723/0xbe0 [ 9628.299252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9628.299252][ T10] ___sys_sendmsg+0xee/0x170 [ 9628.299252][ T10] __sys_sendmsg+0xcd/0x170 [ 9628.299252][ T10] do_syscall_64+0xc6/0x1e0 [ 9628.299252][ T10] [ 9628.301198][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9628.301198][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9628.301198][ T10] ipv6_find_idev+0x102/0x170 [ 9628.301198][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9628.301198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9628.301198][ T10] netlink_rcv_skb+0x130/0x360 [ 9628.301198][ T10] netlink_unicast+0x449/0x710 [ 9628.301198][ T10] netlink_sendmsg+0x723/0xbe0 [ 9628.301198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9628.301198][ T10] ___sys_sendmsg+0xee/0x170 [ 9628.301198][ T10] __sys_sendmsg+0xcd/0x170 [ 9628.301198][ T10] do_syscall_64+0xc6/0x1e0 [ 9628.301198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9628.301198][ T10] [ 9628.302722][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9628.302722][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9628.302722][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9628.302722][ T10] ipv6_find_idev+0x102/0x170 [ 9628.302722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9628.302722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9628.302722][ T10] netlink_rcv_skb+0x130/0x360 [ 9628.302722][ T10] netlink_unicast+0x449/0x710 [ 9628.302722][ T10] netlink_sendmsg+0x723/0xbe0 [ 9628.302722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9628.302722][ T10] ___sys_sendmsg+0xee/0x170 [ 9628.302722][ T10] __sys_sendmsg+0xcd/0x170 [ 9628.302722][ T10] do_syscall_64+0xc6/0x1e0 [ 9628.302722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9628.302722][ T10] [ 9628.304393][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9628.304626][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9628.304626][ T10] netdev_get_by_index+0x5e/0x80 [ 9628.304626][ T10] fib6_nh_init+0x3d8/0x1580 [ 9628.304626][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9628.304626][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9628.304626][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9628.304626][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9628.304626][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9628.304626][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9628.304626][ T10] addrconf_dad_begin+0x310/0x670 [ 9628.304626][ T10] addrconf_dad_work+0x10b/0xab0 [ 9628.304626][ T10] process_one_work+0x84d/0x18a0 [ 9628.304626][ T10] worker_thread+0x587/0xd30 [ 9628.304626][ T10] kthread+0x28a/0x350 [ 9628.304626][ T10] ret_from_fork+0x31/0x70 [ 9628.304626][ T10] ret_from_fork_asm+0x1a/0x30 [ 9628.304626][ T10] [ 9628.306518][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9628.306518][ T10] netdev_get_by_index+0x5e/0x80 [ 9628.306518][ T10] fib6_nh_init+0x3d8/0x1580 [ 9628.306518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9628.306518][ T10] ip6_route_add+0x1c/0x140 [ 9628.306518][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9628.306518][ T10] inet6_addr_add+0x4f8/0xa40 [ 9628.306518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9628.306518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9628.306518][ T10] netlink_rcv_skb+0x130/0x360 [ 9628.306518][ T10] netlink_unicast+0x449/0x710 [ 9628.306518][ T10] netlink_sendmsg+0x723/0xbe0 [ 9628.306518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9628.306518][ T10] ___sys_sendmsg+0xee/0x170 [ 9628.306518][ T10] __sys_sendmsg+0xcd/0x170 [ 9628.306518][ T10] do_syscall_64+0xc6/0x1e0 [ 9628.306518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9628.306518][ T10] [ 9628.308690][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9628.308690][ T10] netdev_get_by_index+0x5e/0x80 [ 9628.308690][ T10] fib6_nh_init+0x3d8/0x1580 [ 9628.308690][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9628.308690][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9628.308690][ T10] ipv6_add_addr+0x411/0x2000 [ 9628.308690][ T10] inet6_addr_add+0x30e/0xa40 [ 9628.308690][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9628.308690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9628.308690][ T10] netlink_rcv_skb+0x130/0x360 [ 9628.308690][ T10] netlink_unicast+0x449/0x710 [ 9628.308690][ T10] netlink_sendmsg+0x723/0xbe0 [ 9628.308690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9628.308690][ T10] ___sys_sendmsg+0xee/0x170 [ 9628.308690][ T10] __sys_sendmsg+0xcd/0x170 [ 9628.308690][ T10] do_syscall_64+0xc6/0x1e0 [ 9628.308690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9628.308690][ T10] [ 9628.310982][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9628.310982][ T10] netdev_get_by_index+0x5e/0x80 [ 9628.310982][ T10] fib6_nh_init+0x3d8/0x1580 [ 9628.310982][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9628.310982][ T10] ip6_route_add+0x1c/0x140 [ 9628.310982][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9628.310982][ T10] addrconf_add_dev+0xe2/0x170 [ 9628.310982][ T10] inet6_addr_add+0x12f/0xa40 [ 9628.310982][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9628.310982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9628.310982][ T10] netlink_rcv_skb+0x130/0x360 [ 9628.310982][ T10] netlink_unicast+0x449/0x710 [ 9628.310982][ T10] netlink_sendmsg+0x723/0xbe0 [ 9628.310982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9628.310982][ T10] ___sys_sendmsg+0xee/0x170 [ 9628.310982][ T10] __sys_sendmsg+0xcd/0x170 [ 9628.310982][ T10] do_syscall_64+0xc6/0x1e0 [ 9628.310982][ T10] [ 9628.313113][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9628.313113][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9628.313113][ T10] ipv6_find_idev+0x102/0x170 [ 9628.313113][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9628.313113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9628.313113][ T10] netlink_rcv_skb+0x130/0x360 [ 9628.313113][ T10] netlink_unicast+0x449/0x710 [ 9628.313113][ T10] netlink_sendmsg+0x723/0xbe0 [ 9628.313113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9628.313113][ T10] ___sys_sendmsg+0xee/0x170 [ 9628.313113][ T10] __sys_sendmsg+0xcd/0x170 [ 9628.313113][ T10] do_syscall_64+0xc6/0x1e0 [ 9628.313113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9628.313113][ T10] [ 9628.314823][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9628.314823][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9628.314823][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9628.314823][ T10] ipv6_find_idev+0x102/0x170 [ 9628.314823][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9628.314823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9628.314823][ T10] netlink_rcv_skb+0x130/0x360 [ 9628.314823][ T10] netlink_unicast+0x449/0x710 [ 9628.314823][ T10] netlink_sendmsg+0x723/0xbe0 [ 9628.314823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9628.314823][ T10] ___sys_sendmsg+0xee/0x170 [ 9628.314823][ T10] __sys_sendmsg+0xcd/0x170 [ 9628.314823][ T10] do_syscall_64+0xc6/0x1e0 [ 9628.314823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9628.314823][ T10] [ 9628.316726][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9628.316963][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9628.316963][ T10] netdev_get_by_index+0x5e/0x80 [ 9628.316963][ T10] fib6_nh_init+0x3d8/0x1580 [ 9628.316963][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9628.316963][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9628.316963][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9628.316963][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9628.316963][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9628.316963][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9628.316963][ T10] addrconf_dad_begin+0x310/0x670 [ 9628.316963][ T10] addrconf_dad_work+0x10b/0xab0 [ 9628.316963][ T10] process_one_work+0x84d/0x18a0 [ 9628.316963][ T10] worker_thread+0x587/0xd30 [ 9628.316963][ T10] kthread+0x28a/0x350 [ 9628.316963][ T10] ret_from_fork+0x31/0x70 [ 9628.316963][ T10] ret_from_fork_asm+0x1a/0x30 [ 9628.316963][ T10] [ 9628.319158][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9628.319158][ T10] netdev_get_by_index+0x5e/0x80 [ 9628.319158][ T10] fib6_nh_init+0x3d8/0x1580 [ 9628.319158][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9628.319158][ T10] ip6_route_add+0x1c/0x140 [ 9628.319158][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9628.319158][ T10] inet6_addr_add+0x4f8/0xa40 [ 9628.319158][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9628.319158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9628.319158][ T10] netlink_rcv_skb+0x130/0x360 [ 9628.319158][ T10] netlink_unicast+0x449/0x710 [ 9628.319158][ T10] netlink_sendmsg+0x723/0xbe0 [ 9628.319158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9628.319158][ T10] ___sys_sendmsg+0xee/0x170 [ 9628.319158][ T10] __sys_sendmsg+0xcd/0x170 [ 9628.319158][ T10] do_syscall_64+0xc6/0x1e0 [ 9628.319158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9628.319158][ T10] [ 9628.321310][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9628.321310][ T10] netdev_get_by_index+0x5e/0x80 [ 9628.321310][ T10] fib6_nh_init+0x3d8/0x1580 [ 9628.321310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9628.321310][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9628.321310][ T10] ipv6_add_addr+0x411/0x2000 [ 9628.321310][ T10] inet6_addr_add+0x30e/0xa40 [ 9628.321310][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9628.321310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9628.321310][ T10] netlink_rcv_skb+0x130/0x360 [ 9628.321310][ T10] netlink_unicast+0x449/0x710 [ 9628.321310][ T10] netlink_sendmsg+0x723/0xbe0 [ 9628.321310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9628.321310][ T10] ___sys_sendmsg+0xee/0x170 [ 9628.321310][ T10] __sys_sendmsg+0xcd/0x170 [ 9628.321310][ T10] do_syscall_64+0xc6/0x1e0 [ 9628.321310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9628.321310][ T10] [ 9628.323530][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9628.323530][ T10] netdev_get_by_index+0x5e/0x80 [ 9628.323530][ T10] fib6_nh_init+0x3d8/0x1580 [ 9628.323530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9628.323530][ T10] ip6_route_add+0x1c/0x140 [ 9628.323530][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9628.323530][ T10] addrconf_add_dev+0xe2/0x170 [ 9628.323530][ T10] inet6_addr_add+0x12f/0xa40 [ 9628.323530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9628.323530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9628.323530][ T10] netlink_rcv_skb+0x130/0x360 [ 9628.323530][ T10] netlink_unicast+0x449/0x710 [ 9628.323530][ T10] netlink_sendmsg+0x723/0xbe0 [ 9628.323530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9628.323530][ T10] ___sys_sendmsg+0xee/0x170 [ 9628.323530][ T10] __sys_sendmsg+0xcd/0x170 [ 9628.323530][ T10] do_syscall_64+0xc6/0x1e0 [ 9628.323530][ T10] [ 9628.325716][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9628.325716][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9628.325716][ T10] ipv6_find_idev+0x102/0x170 [ 9628.325716][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9628.325716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9628.325716][ T10] netlink_rcv_skb+0x130/0x360 [ 9628.325716][ T10] netlink_unicast+0x449/0x710 [ 9628.325716][ T10] netlink_sendmsg+0x723/0xbe0 [ 9628.325716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9628.325716][ T10] ___sys_sendmsg+0xee/0x170 [ 9628.325716][ T10] __sys_sendmsg+0xcd/0x170 [ 9628.325716][ T10] do_syscall_64+0xc6/0x1e0 [ 9628.325716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9628.325716][ T10] [ 9628.327419][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9628.327419][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9628.327419][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9628.327419][ T10] ipv6_find_idev+0x102/0x170 [ 9628.327419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9628.327419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9628.327419][ T10] netlink_rcv_skb+0x130/0x360 [ 9628.327419][ T10] netlink_unicast+0x449/0x710 [ 9628.327419][ T10] netlink_sendmsg+0x723/0xbe0 [ 9628.327419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9628.327419][ T10] ___sys_sendmsg+0xee/0x170 [ 9628.327419][ T10] __sys_sendmsg+0xcd/0x170 [ 9628.327419][ T10] do_syscall_64+0xc6/0x1e0 [ 9628.327419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9628.327419][ T10] [ 9631.945031][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9631.945470][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9631.945470][ T1167] dst_init+0x84/0x4a0 [ 9631.945470][ T1167] dst_alloc+0x97/0x150 [ 9631.945470][ T1167] ip6_dst_alloc+0x23/0x90 [ 9631.945470][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9631.945470][ T1167] ip6_pol_route+0x56f/0x840 [ 9631.945470][ T1167] fib6_rule_lookup+0x334/0x630 [ 9631.945470][ T1167] ip6_route_output_flags+0x259/0x480 [ 9631.945470][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9631.945470][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9631.945470][ T1167] netlink_rcv_skb+0x130/0x360 [ 9631.945470][ T1167] netlink_unicast+0x449/0x710 [ 9631.945470][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9631.945470][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9631.945470][ T1167] ___sys_sendmsg+0xee/0x170 [ 9631.945470][ T1167] __sys_sendmsg+0xcd/0x170 [ 9631.945470][ T1167] do_syscall_64+0xc6/0x1e0 [ 9631.945470][ T1167] [ 9631.947698][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9631.947698][ T1167] netdev_get_by_index+0x5e/0x80 [ 9631.947698][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9631.947698][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9631.947698][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9631.947698][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9631.947698][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9631.947698][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9631.947698][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9631.947698][ T1167] addrconf_dad_begin+0x310/0x670 [ 9631.947698][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9631.947698][ T1167] process_one_work+0x84d/0x18a0 [ 9631.947698][ T1167] worker_thread+0x587/0xd30 [ 9631.947698][ T1167] kthread+0x28a/0x350 [ 9631.947698][ T1167] ret_from_fork+0x31/0x70 [ 9631.947698][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9631.947698][ T1167] [ 9631.949866][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9631.949866][ T1167] netdev_get_by_index+0x5e/0x80 [ 9631.949866][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9631.949866][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9631.949866][ T1167] ip6_route_add+0x1c/0x140 [ 9631.949866][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9631.949866][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9631.949866][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9631.949866][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9631.949866][ T1167] netlink_rcv_skb+0x130/0x360 [ 9631.949866][ T1167] netlink_unicast+0x449/0x710 [ 9631.949866][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9631.949866][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9631.949866][ T1167] ___sys_sendmsg+0xee/0x170 [ 9631.949866][ T1167] __sys_sendmsg+0xcd/0x170 [ 9631.949866][ T1167] do_syscall_64+0xc6/0x1e0 [ 9631.949866][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9631.949866][ T1167] [ 9631.952144][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9631.952144][ T1167] netdev_get_by_index+0x5e/0x80 [ 9631.952144][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9631.952144][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9631.952144][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9631.952144][ T1167] ipv6_add_addr+0x411/0x2000 [ 9631.952144][ T1167] inet6_addr_add+0x30e/0xa40 [ 9631.952144][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9631.952144][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9631.952144][ T1167] netlink_rcv_skb+0x130/0x360 [ 9631.952144][ T1167] netlink_unicast+0x449/0x710 [ 9631.952144][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9631.952144][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9631.952144][ T1167] ___sys_sendmsg+0xee/0x170 [ 9631.952144][ T1167] __sys_sendmsg+0xcd/0x170 [ 9631.952144][ T1167] do_syscall_64+0xc6/0x1e0 [ 9631.952144][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9631.952144][ T1167] [ 9631.954420][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9631.954420][ T1167] netdev_get_by_index+0x5e/0x80 [ 9631.954420][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9631.954420][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9631.954420][ T1167] ip6_route_add+0x1c/0x140 [ 9631.954420][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9631.954420][ T1167] addrconf_add_dev+0xe2/0x170 [ 9631.954420][ T1167] inet6_addr_add+0x12f/0xa40 [ 9631.954420][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9631.954420][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9631.954420][ T1167] netlink_rcv_skb+0x130/0x360 [ 9631.954420][ T1167] netlink_unicast+0x449/0x710 [ 9631.954420][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9631.954420][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9631.954420][ T1167] ___sys_sendmsg+0xee/0x170 [ 9631.954420][ T1167] __sys_sendmsg+0xcd/0x170 [ 9631.954420][ T1167] do_syscall_64+0xc6/0x1e0 [ 9631.954420][ T1167] [ 9631.956648][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9631.956648][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9631.956648][ T1167] ipv6_find_idev+0x102/0x170 [ 9631.956648][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9631.956648][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9631.956648][ T1167] netlink_rcv_skb+0x130/0x360 [ 9631.956648][ T1167] netlink_unicast+0x449/0x710 [ 9631.956648][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9631.956648][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9631.956648][ T1167] ___sys_sendmsg+0xee/0x170 [ 9631.956648][ T1167] __sys_sendmsg+0xcd/0x170 [ 9631.956648][ T1167] do_syscall_64+0xc6/0x1e0 [ 9631.956648][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9631.956648][ T1167] [ 9631.958394][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9631.958394][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9631.958394][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9631.958394][ T1167] ipv6_find_idev+0x102/0x170 [ 9631.958394][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9631.958394][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9631.958394][ T1167] netlink_rcv_skb+0x130/0x360 [ 9631.958394][ T1167] netlink_unicast+0x449/0x710 [ 9631.958394][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9631.958394][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9631.958394][ T1167] ___sys_sendmsg+0xee/0x170 [ 9631.958394][ T1167] __sys_sendmsg+0xcd/0x170 [ 9631.958394][ T1167] do_syscall_64+0xc6/0x1e0 [ 9631.958394][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9631.958394][ T1167] [ 9638.585106][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9638.585540][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9638.585540][ T10] netdev_get_by_index+0x5e/0x80 [ 9638.585540][ T10] fib6_nh_init+0x3d8/0x1580 [ 9638.585540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9638.585540][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9638.585540][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9638.585540][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9638.585540][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9638.585540][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9638.585540][ T10] addrconf_dad_begin+0x310/0x670 [ 9638.585540][ T10] addrconf_dad_work+0x10b/0xab0 [ 9638.585540][ T10] process_one_work+0x84d/0x18a0 [ 9638.585540][ T10] worker_thread+0x587/0xd30 [ 9638.585540][ T10] kthread+0x28a/0x350 [ 9638.585540][ T10] ret_from_fork+0x31/0x70 [ 9638.585540][ T10] ret_from_fork_asm+0x1a/0x30 [ 9638.585540][ T10] [ 9638.587494][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9638.587494][ T10] netdev_get_by_index+0x5e/0x80 [ 9638.587494][ T10] fib6_nh_init+0x3d8/0x1580 [ 9638.587494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9638.587494][ T10] ip6_route_add+0x1c/0x140 [ 9638.587494][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9638.587494][ T10] inet6_addr_add+0x4f8/0xa40 [ 9638.587494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9638.587494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9638.587494][ T10] netlink_rcv_skb+0x130/0x360 [ 9638.587494][ T10] netlink_unicast+0x449/0x710 [ 9638.587494][ T10] netlink_sendmsg+0x723/0xbe0 [ 9638.587494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9638.587494][ T10] ___sys_sendmsg+0xee/0x170 [ 9638.587494][ T10] __sys_sendmsg+0xcd/0x170 [ 9638.587494][ T10] do_syscall_64+0xc6/0x1e0 [ 9638.587494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9638.587494][ T10] [ 9638.589515][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9638.589515][ T10] netdev_get_by_index+0x5e/0x80 [ 9638.589515][ T10] fib6_nh_init+0x3d8/0x1580 [ 9638.589515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9638.589515][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9638.589515][ T10] ipv6_add_addr+0x411/0x2000 [ 9638.589515][ T10] inet6_addr_add+0x30e/0xa40 [ 9638.589515][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9638.589515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9638.589515][ T10] netlink_rcv_skb+0x130/0x360 [ 9638.589515][ T10] netlink_unicast+0x449/0x710 [ 9638.589515][ T10] netlink_sendmsg+0x723/0xbe0 [ 9638.589515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9638.589515][ T10] ___sys_sendmsg+0xee/0x170 [ 9638.589515][ T10] __sys_sendmsg+0xcd/0x170 [ 9638.589515][ T10] do_syscall_64+0xc6/0x1e0 [ 9638.589515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9638.589515][ T10] [ 9638.591534][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9638.591534][ T10] netdev_get_by_index+0x5e/0x80 [ 9638.591534][ T10] fib6_nh_init+0x3d8/0x1580 [ 9638.591534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9638.591534][ T10] ip6_route_add+0x1c/0x140 [ 9638.591534][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9638.591534][ T10] addrconf_add_dev+0xe2/0x170 [ 9638.591534][ T10] inet6_addr_add+0x12f/0xa40 [ 9638.591534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9638.591534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9638.591534][ T10] netlink_rcv_skb+0x130/0x360 [ 9638.591534][ T10] netlink_unicast+0x449/0x710 [ 9638.591534][ T10] netlink_sendmsg+0x723/0xbe0 [ 9638.591534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9638.591534][ T10] ___sys_sendmsg+0xee/0x170 [ 9638.591534][ T10] __sys_sendmsg+0xcd/0x170 [ 9638.591534][ T10] do_syscall_64+0xc6/0x1e0 [ 9638.591534][ T10] [ 9638.593524][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9638.593524][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9638.593524][ T10] ipv6_find_idev+0x102/0x170 [ 9638.593524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9638.593524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9638.593524][ T10] netlink_rcv_skb+0x130/0x360 [ 9638.593524][ T10] netlink_unicast+0x449/0x710 [ 9638.593524][ T10] netlink_sendmsg+0x723/0xbe0 [ 9638.593524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9638.593524][ T10] ___sys_sendmsg+0xee/0x170 [ 9638.593524][ T10] __sys_sendmsg+0xcd/0x170 [ 9638.593524][ T10] do_syscall_64+0xc6/0x1e0 [ 9638.593524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9638.593524][ T10] [ 9638.595085][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9638.595085][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9638.595085][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9638.595085][ T10] ipv6_find_idev+0x102/0x170 [ 9638.595085][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9638.595085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9638.595085][ T10] netlink_rcv_skb+0x130/0x360 [ 9638.595085][ T10] netlink_unicast+0x449/0x710 [ 9638.595085][ T10] netlink_sendmsg+0x723/0xbe0 [ 9638.595085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9638.595085][ T10] ___sys_sendmsg+0xee/0x170 [ 9638.595085][ T10] __sys_sendmsg+0xcd/0x170 [ 9638.595085][ T10] do_syscall_64+0xc6/0x1e0 [ 9638.595085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9638.595085][ T10] [ 9638.596798][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9638.597057][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9638.597057][ T10] netdev_get_by_index+0x5e/0x80 [ 9638.597057][ T10] fib6_nh_init+0x3d8/0x1580 [ 9638.597057][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9638.597057][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9638.597057][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9638.597057][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9638.597057][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9638.597057][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9638.597057][ T10] addrconf_dad_begin+0x310/0x670 [ 9638.597057][ T10] addrconf_dad_work+0x10b/0xab0 [ 9638.597057][ T10] process_one_work+0x84d/0x18a0 [ 9638.597057][ T10] worker_thread+0x587/0xd30 [ 9638.597057][ T10] kthread+0x28a/0x350 [ 9638.597057][ T10] ret_from_fork+0x31/0x70 [ 9638.597057][ T10] ret_from_fork_asm+0x1a/0x30 [ 9638.597057][ T10] [ 9638.598985][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9638.598985][ T10] netdev_get_by_index+0x5e/0x80 [ 9638.598985][ T10] fib6_nh_init+0x3d8/0x1580 [ 9638.598985][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9638.598985][ T10] ip6_route_add+0x1c/0x140 [ 9638.598985][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9638.598985][ T10] inet6_addr_add+0x4f8/0xa40 [ 9638.598985][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9638.598985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9638.598985][ T10] netlink_rcv_skb+0x130/0x360 [ 9638.598985][ T10] netlink_unicast+0x449/0x710 [ 9638.598985][ T10] netlink_sendmsg+0x723/0xbe0 [ 9638.598985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9638.598985][ T10] ___sys_sendmsg+0xee/0x170 [ 9638.598985][ T10] __sys_sendmsg+0xcd/0x170 [ 9638.598985][ T10] do_syscall_64+0xc6/0x1e0 [ 9638.598985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9638.598985][ T10] [ 9638.601001][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9638.601001][ T10] netdev_get_by_index+0x5e/0x80 [ 9638.601001][ T10] fib6_nh_init+0x3d8/0x1580 [ 9638.601001][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9638.601001][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9638.601001][ T10] ipv6_add_addr+0x411/0x2000 [ 9638.601001][ T10] inet6_addr_add+0x30e/0xa40 [ 9638.601001][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9638.601001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9638.601001][ T10] netlink_rcv_skb+0x130/0x360 [ 9638.601001][ T10] netlink_unicast+0x449/0x710 [ 9638.601001][ T10] netlink_sendmsg+0x723/0xbe0 [ 9638.601001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9638.601001][ T10] ___sys_sendmsg+0xee/0x170 [ 9638.601001][ T10] __sys_sendmsg+0xcd/0x170 [ 9638.601001][ T10] do_syscall_64+0xc6/0x1e0 [ 9638.601001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9638.601001][ T10] [ 9638.603019][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9638.603019][ T10] netdev_get_by_index+0x5e/0x80 [ 9638.603019][ T10] fib6_nh_init+0x3d8/0x1580 [ 9638.603019][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9638.603019][ T10] ip6_route_add+0x1c/0x140 [ 9638.603019][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9638.603019][ T10] addrconf_add_dev+0xe2/0x170 [ 9638.603019][ T10] inet6_addr_add+0x12f/0xa40 [ 9638.603019][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9638.603019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9638.603019][ T10] netlink_rcv_skb+0x130/0x360 [ 9638.603019][ T10] netlink_unicast+0x449/0x710 [ 9638.603019][ T10] netlink_sendmsg+0x723/0xbe0 [ 9638.603019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9638.603019][ T10] ___sys_sendmsg+0xee/0x170 [ 9638.603019][ T10] __sys_sendmsg+0xcd/0x170 [ 9638.603019][ T10] do_syscall_64+0xc6/0x1e0 [ 9638.603019][ T10] [ 9638.605003][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9638.605003][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9638.605003][ T10] ipv6_find_idev+0x102/0x170 [ 9638.605003][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9638.605003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9638.605003][ T10] netlink_rcv_skb+0x130/0x360 [ 9638.605003][ T10] netlink_unicast+0x449/0x710 [ 9638.605003][ T10] netlink_sendmsg+0x723/0xbe0 [ 9638.605003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9638.605003][ T10] ___sys_sendmsg+0xee/0x170 [ 9638.605003][ T10] __sys_sendmsg+0xcd/0x170 [ 9638.605003][ T10] do_syscall_64+0xc6/0x1e0 [ 9638.605003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9638.605003][ T10] [ 9638.606551][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9638.606551][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9638.606551][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9638.606551][ T10] ipv6_find_idev+0x102/0x170 [ 9638.606551][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9638.606551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9638.606551][ T10] netlink_rcv_skb+0x130/0x360 [ 9638.606551][ T10] netlink_unicast+0x449/0x710 [ 9638.606551][ T10] netlink_sendmsg+0x723/0xbe0 [ 9638.606551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9638.606551][ T10] ___sys_sendmsg+0xee/0x170 [ 9638.606551][ T10] __sys_sendmsg+0xcd/0x170 [ 9638.606551][ T10] do_syscall_64+0xc6/0x1e0 [ 9638.606551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9638.606551][ T10] [ 9638.608248][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9638.608485][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9638.608485][ T10] netdev_get_by_index+0x5e/0x80 [ 9638.608485][ T10] fib6_nh_init+0x3d8/0x1580 [ 9638.608485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9638.608485][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9638.608485][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9638.608485][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9638.608485][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9638.608485][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9638.608485][ T10] addrconf_dad_begin+0x310/0x670 [ 9638.608485][ T10] addrconf_dad_work+0x10b/0xab0 [ 9638.608485][ T10] process_one_work+0x84d/0x18a0 [ 9638.608485][ T10] worker_thread+0x587/0xd30 [ 9638.608485][ T10] kthread+0x28a/0x350 [ 9638.608485][ T10] ret_from_fork+0x31/0x70 [ 9638.608485][ T10] ret_from_fork_asm+0x1a/0x30 [ 9638.608485][ T10] [ 9638.610413][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9638.610413][ T10] netdev_get_by_index+0x5e/0x80 [ 9638.610413][ T10] fib6_nh_init+0x3d8/0x1580 [ 9638.610413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9638.610413][ T10] ip6_route_add+0x1c/0x140 [ 9638.610413][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9638.610413][ T10] inet6_addr_add+0x4f8/0xa40 [ 9638.610413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9638.610413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9638.610413][ T10] netlink_rcv_skb+0x130/0x360 [ 9638.610413][ T10] netlink_unicast+0x449/0x710 [ 9638.610413][ T10] netlink_sendmsg+0x723/0xbe0 [ 9638.610413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9638.610413][ T10] ___sys_sendmsg+0xee/0x170 [ 9638.610413][ T10] __sys_sendmsg+0xcd/0x170 [ 9638.610413][ T10] do_syscall_64+0xc6/0x1e0 [ 9638.610413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9638.610413][ T10] [ 9638.612598][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9638.612598][ T10] netdev_get_by_index+0x5e/0x80 [ 9638.612598][ T10] fib6_nh_init+0x3d8/0x1580 [ 9638.612598][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9638.612598][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9638.612598][ T10] ipv6_add_addr+0x411/0x2000 [ 9638.612598][ T10] inet6_addr_add+0x30e/0xa40 [ 9638.612598][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9638.612598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9638.612598][ T10] netlink_rcv_skb+0x130/0x360 [ 9638.612598][ T10] netlink_unicast+0x449/0x710 [ 9638.612598][ T10] netlink_sendmsg+0x723/0xbe0 [ 9638.612598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9638.612598][ T10] ___sys_sendmsg+0xee/0x170 [ 9638.612598][ T10] __sys_sendmsg+0xcd/0x170 [ 9638.612598][ T10] do_syscall_64+0xc6/0x1e0 [ 9638.612598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9638.612598][ T10] [ 9638.614924][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9638.614924][ T10] netdev_get_by_index+0x5e/0x80 [ 9638.614924][ T10] fib6_nh_init+0x3d8/0x1580 [ 9638.614924][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9638.614924][ T10] ip6_route_add+0x1c/0x140 [ 9638.614924][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9638.614924][ T10] addrconf_add_dev+0xe2/0x170 [ 9638.614924][ T10] inet6_addr_add+0x12f/0xa40 [ 9638.614924][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9638.614924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9638.614924][ T10] netlink_rcv_skb+0x130/0x360 [ 9638.614924][ T10] netlink_unicast+0x449/0x710 [ 9638.614924][ T10] netlink_sendmsg+0x723/0xbe0 [ 9638.614924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9638.614924][ T10] ___sys_sendmsg+0xee/0x170 [ 9638.614924][ T10] __sys_sendmsg+0xcd/0x170 [ 9638.614924][ T10] do_syscall_64+0xc6/0x1e0 [ 9638.614924][ T10] [ 9638.617074][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9638.617074][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9638.617074][ T10] ipv6_find_idev+0x102/0x170 [ 9638.617074][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9638.617074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9638.617074][ T10] netlink_rcv_skb+0x130/0x360 [ 9638.617074][ T10] netlink_unicast+0x449/0x710 [ 9638.617074][ T10] netlink_sendmsg+0x723/0xbe0 [ 9638.617074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9638.617074][ T10] ___sys_sendmsg+0xee/0x170 [ 9638.617074][ T10] __sys_sendmsg+0xcd/0x170 [ 9638.617074][ T10] do_syscall_64+0xc6/0x1e0 [ 9638.617074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9638.617074][ T10] [ 9638.618801][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9638.618801][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9638.618801][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9638.618801][ T10] ipv6_find_idev+0x102/0x170 [ 9638.618801][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9638.618801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9638.618801][ T10] netlink_rcv_skb+0x130/0x360 [ 9638.618801][ T10] netlink_unicast+0x449/0x710 [ 9638.618801][ T10] netlink_sendmsg+0x723/0xbe0 [ 9638.618801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9638.618801][ T10] ___sys_sendmsg+0xee/0x170 [ 9638.618801][ T10] __sys_sendmsg+0xcd/0x170 [ 9638.618801][ T10] do_syscall_64+0xc6/0x1e0 [ 9638.618801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9638.618801][ T10] [ 9638.620737][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9638.620977][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9638.620977][ T10] netdev_get_by_index+0x5e/0x80 [ 9638.620977][ T10] fib6_nh_init+0x3d8/0x1580 [ 9638.620977][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9638.620977][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9638.620977][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9638.620977][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9638.620977][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9638.620977][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9638.620977][ T10] addrconf_dad_begin+0x310/0x670 [ 9638.620977][ T10] addrconf_dad_work+0x10b/0xab0 [ 9638.620977][ T10] process_one_work+0x84d/0x18a0 [ 9638.620977][ T10] worker_thread+0x587/0xd30 [ 9638.620977][ T10] kthread+0x28a/0x350 [ 9638.620977][ T10] ret_from_fork+0x31/0x70 [ 9638.620977][ T10] ret_from_fork_asm+0x1a/0x30 [ 9638.620977][ T10] [ 9638.623208][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9638.623208][ T10] netdev_get_by_index+0x5e/0x80 [ 9638.623208][ T10] fib6_nh_init+0x3d8/0x1580 [ 9638.623208][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9638.623208][ T10] ip6_route_add+0x1c/0x140 [ 9638.623208][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9638.623208][ T10] inet6_addr_add+0x4f8/0xa40 [ 9638.623208][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9638.623208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9638.623208][ T10] netlink_rcv_skb+0x130/0x360 [ 9638.623208][ T10] netlink_unicast+0x449/0x710 [ 9638.623208][ T10] netlink_sendmsg+0x723/0xbe0 [ 9638.623208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9638.623208][ T10] ___sys_sendmsg+0xee/0x170 [ 9638.623208][ T10] __sys_sendmsg+0xcd/0x170 [ 9638.623208][ T10] do_syscall_64+0xc6/0x1e0 [ 9638.623208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9638.623208][ T10] [ 9638.625395][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9638.625395][ T10] netdev_get_by_index+0x5e/0x80 [ 9638.625395][ T10] fib6_nh_init+0x3d8/0x1580 [ 9638.625395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9638.625395][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9638.625395][ T10] ipv6_add_addr+0x411/0x2000 [ 9638.625395][ T10] inet6_addr_add+0x30e/0xa40 [ 9638.625395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9638.625395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9638.625395][ T10] netlink_rcv_skb+0x130/0x360 [ 9638.625395][ T10] netlink_unicast+0x449/0x710 [ 9638.625395][ T10] netlink_sendmsg+0x723/0xbe0 [ 9638.625395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9638.625395][ T10] ___sys_sendmsg+0xee/0x170 [ 9638.625395][ T10] __sys_sendmsg+0xcd/0x170 [ 9638.625395][ T10] do_syscall_64+0xc6/0x1e0 [ 9638.625395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9638.625395][ T10] [ 9638.627639][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9638.627639][ T10] netdev_get_by_index+0x5e/0x80 [ 9638.627639][ T10] fib6_nh_init+0x3d8/0x1580 [ 9638.627639][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9638.627639][ T10] ip6_route_add+0x1c/0x140 [ 9638.627639][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9638.627639][ T10] addrconf_add_dev+0xe2/0x170 [ 9638.627639][ T10] inet6_addr_add+0x12f/0xa40 [ 9638.627639][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9638.627639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9638.627639][ T10] netlink_rcv_skb+0x130/0x360 [ 9638.627639][ T10] netlink_unicast+0x449/0x710 [ 9638.627639][ T10] netlink_sendmsg+0x723/0xbe0 [ 9638.627639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9638.627639][ T10] ___sys_sendmsg+0xee/0x170 [ 9638.627639][ T10] __sys_sendmsg+0xcd/0x170 [ 9638.627639][ T10] do_syscall_64+0xc6/0x1e0 [ 9638.627639][ T10] [ 9638.629850][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9638.629850][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9638.629850][ T10] ipv6_find_idev+0x102/0x170 [ 9638.629850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9638.629850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9638.629850][ T10] netlink_rcv_skb+0x130/0x360 [ 9638.629850][ T10] netlink_unicast+0x449/0x710 [ 9638.629850][ T10] netlink_sendmsg+0x723/0xbe0 [ 9638.629850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9638.629850][ T10] ___sys_sendmsg+0xee/0x170 [ 9638.629850][ T10] __sys_sendmsg+0xcd/0x170 [ 9638.629850][ T10] do_syscall_64+0xc6/0x1e0 [ 9638.629850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9638.629850][ T10] [ 9638.631576][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9638.631576][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9638.631576][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9638.631576][ T10] ipv6_find_idev+0x102/0x170 [ 9638.631576][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9638.631576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9638.631576][ T10] netlink_rcv_skb+0x130/0x360 [ 9638.631576][ T10] netlink_unicast+0x449/0x710 [ 9638.631576][ T10] netlink_sendmsg+0x723/0xbe0 [ 9638.631576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9638.631576][ T10] ___sys_sendmsg+0xee/0x170 [ 9638.631576][ T10] __sys_sendmsg+0xcd/0x170 [ 9638.631576][ T10] do_syscall_64+0xc6/0x1e0 [ 9638.631576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9638.631576][ T10] [ 9642.057171][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9642.057671][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9642.057671][ T1167] dst_init+0x84/0x4a0 [ 9642.057671][ T1167] dst_alloc+0x97/0x150 [ 9642.057671][ T1167] ip6_dst_alloc+0x23/0x90 [ 9642.057671][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9642.057671][ T1167] ip6_pol_route+0x56f/0x840 [ 9642.057671][ T1167] fib6_rule_lookup+0x334/0x630 [ 9642.057671][ T1167] ip6_route_output_flags+0x259/0x480 [ 9642.057671][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9642.057671][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9642.057671][ T1167] netlink_rcv_skb+0x130/0x360 [ 9642.057671][ T1167] netlink_unicast+0x449/0x710 [ 9642.057671][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9642.057671][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9642.057671][ T1167] ___sys_sendmsg+0xee/0x170 [ 9642.057671][ T1167] __sys_sendmsg+0xcd/0x170 [ 9642.057671][ T1167] do_syscall_64+0xc6/0x1e0 [ 9642.057671][ T1167] [ 9642.059898][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9642.059898][ T1167] netdev_get_by_index+0x5e/0x80 [ 9642.059898][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9642.059898][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9642.059898][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9642.059898][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9642.059898][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9642.059898][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9642.059898][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9642.059898][ T1167] addrconf_dad_begin+0x310/0x670 [ 9642.059898][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9642.059898][ T1167] process_one_work+0x84d/0x18a0 [ 9642.059898][ T1167] worker_thread+0x587/0xd30 [ 9642.059898][ T1167] kthread+0x28a/0x350 [ 9642.059898][ T1167] ret_from_fork+0x31/0x70 [ 9642.059898][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9642.059898][ T1167] [ 9642.062071][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9642.062071][ T1167] netdev_get_by_index+0x5e/0x80 [ 9642.062071][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9642.062071][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9642.062071][ T1167] ip6_route_add+0x1c/0x140 [ 9642.062071][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9642.062071][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9642.062071][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9642.062071][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9642.062071][ T1167] netlink_rcv_skb+0x130/0x360 [ 9642.062071][ T1167] netlink_unicast+0x449/0x710 [ 9642.062071][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9642.062071][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9642.062071][ T1167] ___sys_sendmsg+0xee/0x170 [ 9642.062071][ T1167] __sys_sendmsg+0xcd/0x170 [ 9642.062071][ T1167] do_syscall_64+0xc6/0x1e0 [ 9642.062071][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9642.062071][ T1167] [ 9642.064347][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9642.064347][ T1167] netdev_get_by_index+0x5e/0x80 [ 9642.064347][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9642.064347][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9642.064347][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9642.064347][ T1167] ipv6_add_addr+0x411/0x2000 [ 9642.064347][ T1167] inet6_addr_add+0x30e/0xa40 [ 9642.064347][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9642.064347][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9642.064347][ T1167] netlink_rcv_skb+0x130/0x360 [ 9642.064347][ T1167] netlink_unicast+0x449/0x710 [ 9642.064347][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9642.064347][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9642.064347][ T1167] ___sys_sendmsg+0xee/0x170 [ 9642.064347][ T1167] __sys_sendmsg+0xcd/0x170 [ 9642.064347][ T1167] do_syscall_64+0xc6/0x1e0 [ 9642.064347][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9642.064347][ T1167] [ 9642.066619][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9642.066619][ T1167] netdev_get_by_index+0x5e/0x80 [ 9642.066619][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9642.066619][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9642.066619][ T1167] ip6_route_add+0x1c/0x140 [ 9642.066619][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9642.066619][ T1167] addrconf_add_dev+0xe2/0x170 [ 9642.066619][ T1167] inet6_addr_add+0x12f/0xa40 [ 9642.066619][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9642.066619][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9642.066619][ T1167] netlink_rcv_skb+0x130/0x360 [ 9642.066619][ T1167] netlink_unicast+0x449/0x710 [ 9642.066619][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9642.066619][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9642.066619][ T1167] ___sys_sendmsg+0xee/0x170 [ 9642.066619][ T1167] __sys_sendmsg+0xcd/0x170 [ 9642.066619][ T1167] do_syscall_64+0xc6/0x1e0 [ 9642.066619][ T1167] [ 9642.068841][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9642.068841][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9642.068841][ T1167] ipv6_find_idev+0x102/0x170 [ 9642.068841][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9642.068841][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9642.068841][ T1167] netlink_rcv_skb+0x130/0x360 [ 9642.068841][ T1167] netlink_unicast+0x449/0x710 [ 9642.068841][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9642.068841][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9642.068841][ T1167] ___sys_sendmsg+0xee/0x170 [ 9642.068841][ T1167] __sys_sendmsg+0xcd/0x170 [ 9642.068841][ T1167] do_syscall_64+0xc6/0x1e0 [ 9642.068841][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9642.068841][ T1167] [ 9642.070584][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9642.070584][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9642.070584][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9642.070584][ T1167] ipv6_find_idev+0x102/0x170 [ 9642.070584][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9642.070584][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9642.070584][ T1167] netlink_rcv_skb+0x130/0x360 [ 9642.070584][ T1167] netlink_unicast+0x449/0x710 [ 9642.070584][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9642.070584][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9642.070584][ T1167] ___sys_sendmsg+0xee/0x170 [ 9642.070584][ T1167] __sys_sendmsg+0xcd/0x170 [ 9642.070584][ T1167] do_syscall_64+0xc6/0x1e0 [ 9642.070584][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9642.070584][ T1167] [ 9648.889117][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9648.889554][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9648.889554][ T10] netdev_get_by_index+0x5e/0x80 [ 9648.889554][ T10] fib6_nh_init+0x3d8/0x1580 [ 9648.889554][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9648.889554][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9648.889554][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9648.889554][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9648.889554][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9648.889554][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9648.889554][ T10] addrconf_dad_begin+0x310/0x670 [ 9648.889554][ T10] addrconf_dad_work+0x10b/0xab0 [ 9648.889554][ T10] process_one_work+0x84d/0x18a0 [ 9648.889554][ T10] worker_thread+0x587/0xd30 [ 9648.889554][ T10] kthread+0x28a/0x350 [ 9648.889554][ T10] ret_from_fork+0x31/0x70 [ 9648.889554][ T10] ret_from_fork_asm+0x1a/0x30 [ 9648.889554][ T10] [ 9648.891514][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9648.891514][ T10] netdev_get_by_index+0x5e/0x80 [ 9648.891514][ T10] fib6_nh_init+0x3d8/0x1580 [ 9648.891514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9648.891514][ T10] ip6_route_add+0x1c/0x140 [ 9648.891514][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9648.891514][ T10] inet6_addr_add+0x4f8/0xa40 [ 9648.891514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9648.891514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9648.891514][ T10] netlink_rcv_skb+0x130/0x360 [ 9648.891514][ T10] netlink_unicast+0x449/0x710 [ 9648.891514][ T10] netlink_sendmsg+0x723/0xbe0 [ 9648.891514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9648.891514][ T10] ___sys_sendmsg+0xee/0x170 [ 9648.891514][ T10] __sys_sendmsg+0xcd/0x170 [ 9648.891514][ T10] do_syscall_64+0xc6/0x1e0 [ 9648.891514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9648.891514][ T10] [ 9648.893553][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9648.893553][ T10] netdev_get_by_index+0x5e/0x80 [ 9648.893553][ T10] fib6_nh_init+0x3d8/0x1580 [ 9648.893553][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9648.893553][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9648.893553][ T10] ipv6_add_addr+0x411/0x2000 [ 9648.893553][ T10] inet6_addr_add+0x30e/0xa40 [ 9648.893553][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9648.893553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9648.893553][ T10] netlink_rcv_skb+0x130/0x360 [ 9648.893553][ T10] netlink_unicast+0x449/0x710 [ 9648.893553][ T10] netlink_sendmsg+0x723/0xbe0 [ 9648.893553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9648.893553][ T10] ___sys_sendmsg+0xee/0x170 [ 9648.893553][ T10] __sys_sendmsg+0xcd/0x170 [ 9648.893553][ T10] do_syscall_64+0xc6/0x1e0 [ 9648.893553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9648.893553][ T10] [ 9648.895567][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9648.895567][ T10] netdev_get_by_index+0x5e/0x80 [ 9648.895567][ T10] fib6_nh_init+0x3d8/0x1580 [ 9648.895567][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9648.895567][ T10] ip6_route_add+0x1c/0x140 [ 9648.895567][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9648.895567][ T10] addrconf_add_dev+0xe2/0x170 [ 9648.895567][ T10] inet6_addr_add+0x12f/0xa40 [ 9648.895567][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9648.895567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9648.895567][ T10] netlink_rcv_skb+0x130/0x360 [ 9648.895567][ T10] netlink_unicast+0x449/0x710 [ 9648.895567][ T10] netlink_sendmsg+0x723/0xbe0 [ 9648.895567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9648.895567][ T10] ___sys_sendmsg+0xee/0x170 [ 9648.895567][ T10] __sys_sendmsg+0xcd/0x170 [ 9648.895567][ T10] do_syscall_64+0xc6/0x1e0 [ 9648.895567][ T10] [ 9648.897548][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9648.897548][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9648.897548][ T10] ipv6_find_idev+0x102/0x170 [ 9648.897548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9648.897548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9648.897548][ T10] netlink_rcv_skb+0x130/0x360 [ 9648.897548][ T10] netlink_unicast+0x449/0x710 [ 9648.897548][ T10] netlink_sendmsg+0x723/0xbe0 [ 9648.897548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9648.897548][ T10] ___sys_sendmsg+0xee/0x170 [ 9648.897548][ T10] __sys_sendmsg+0xcd/0x170 [ 9648.897548][ T10] do_syscall_64+0xc6/0x1e0 [ 9648.897548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9648.897548][ T10] [ 9648.899099][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9648.899099][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9648.899099][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9648.899099][ T10] ipv6_find_idev+0x102/0x170 [ 9648.899099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9648.899099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9648.899099][ T10] netlink_rcv_skb+0x130/0x360 [ 9648.899099][ T10] netlink_unicast+0x449/0x710 [ 9648.899099][ T10] netlink_sendmsg+0x723/0xbe0 [ 9648.899099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9648.899099][ T10] ___sys_sendmsg+0xee/0x170 [ 9648.899099][ T10] __sys_sendmsg+0xcd/0x170 [ 9648.899099][ T10] do_syscall_64+0xc6/0x1e0 [ 9648.899099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9648.899099][ T10] [ 9648.900802][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9648.901065][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9648.901065][ T10] netdev_get_by_index+0x5e/0x80 [ 9648.901065][ T10] fib6_nh_init+0x3d8/0x1580 [ 9648.901065][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9648.901065][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9648.901065][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9648.901065][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9648.901065][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9648.901065][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9648.901065][ T10] addrconf_dad_begin+0x310/0x670 [ 9648.901065][ T10] addrconf_dad_work+0x10b/0xab0 [ 9648.901065][ T10] process_one_work+0x84d/0x18a0 [ 9648.901065][ T10] worker_thread+0x587/0xd30 [ 9648.901065][ T10] kthread+0x28a/0x350 [ 9648.901065][ T10] ret_from_fork+0x31/0x70 [ 9648.901065][ T10] ret_from_fork_asm+0x1a/0x30 [ 9648.901065][ T10] [ 9648.903019][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9648.903019][ T10] netdev_get_by_index+0x5e/0x80 [ 9648.903019][ T10] fib6_nh_init+0x3d8/0x1580 [ 9648.903019][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9648.903019][ T10] ip6_route_add+0x1c/0x140 [ 9648.903019][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9648.903019][ T10] inet6_addr_add+0x4f8/0xa40 [ 9648.903019][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9648.903019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9648.903019][ T10] netlink_rcv_skb+0x130/0x360 [ 9648.903019][ T10] netlink_unicast+0x449/0x710 [ 9648.903019][ T10] netlink_sendmsg+0x723/0xbe0 [ 9648.903019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9648.903019][ T10] ___sys_sendmsg+0xee/0x170 [ 9648.903019][ T10] __sys_sendmsg+0xcd/0x170 [ 9648.903019][ T10] do_syscall_64+0xc6/0x1e0 [ 9648.903019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9648.903019][ T10] [ 9648.905033][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9648.905033][ T10] netdev_get_by_index+0x5e/0x80 [ 9648.905033][ T10] fib6_nh_init+0x3d8/0x1580 [ 9648.905033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9648.905033][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9648.905033][ T10] ipv6_add_addr+0x411/0x2000 [ 9648.905033][ T10] inet6_addr_add+0x30e/0xa40 [ 9648.905033][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9648.905033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9648.905033][ T10] netlink_rcv_skb+0x130/0x360 [ 9648.905033][ T10] netlink_unicast+0x449/0x710 [ 9648.905033][ T10] netlink_sendmsg+0x723/0xbe0 [ 9648.905033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9648.905033][ T10] ___sys_sendmsg+0xee/0x170 [ 9648.905033][ T10] __sys_sendmsg+0xcd/0x170 [ 9648.905033][ T10] do_syscall_64+0xc6/0x1e0 [ 9648.905033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9648.905033][ T10] [ 9648.907042][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9648.907042][ T10] netdev_get_by_index+0x5e/0x80 [ 9648.907042][ T10] fib6_nh_init+0x3d8/0x1580 [ 9648.907042][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9648.907042][ T10] ip6_route_add+0x1c/0x140 [ 9648.907042][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9648.907042][ T10] addrconf_add_dev+0xe2/0x170 [ 9648.907042][ T10] inet6_addr_add+0x12f/0xa40 [ 9648.907042][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9648.907042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9648.907042][ T10] netlink_rcv_skb+0x130/0x360 [ 9648.907042][ T10] netlink_unicast+0x449/0x710 [ 9648.907042][ T10] netlink_sendmsg+0x723/0xbe0 [ 9648.907042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9648.907042][ T10] ___sys_sendmsg+0xee/0x170 [ 9648.907042][ T10] __sys_sendmsg+0xcd/0x170 [ 9648.907042][ T10] do_syscall_64+0xc6/0x1e0 [ 9648.907042][ T10] [ 9648.909032][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9648.909032][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9648.909032][ T10] ipv6_find_idev+0x102/0x170 [ 9648.909032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9648.909032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9648.909032][ T10] netlink_rcv_skb+0x130/0x360 [ 9648.909032][ T10] netlink_unicast+0x449/0x710 [ 9648.909032][ T10] netlink_sendmsg+0x723/0xbe0 [ 9648.909032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9648.909032][ T10] ___sys_sendmsg+0xee/0x170 [ 9648.909032][ T10] __sys_sendmsg+0xcd/0x170 [ 9648.909032][ T10] do_syscall_64+0xc6/0x1e0 [ 9648.909032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9648.909032][ T10] [ 9648.910584][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9648.910584][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9648.910584][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9648.910584][ T10] ipv6_find_idev+0x102/0x170 [ 9648.910584][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9648.910584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9648.910584][ T10] netlink_rcv_skb+0x130/0x360 [ 9648.910584][ T10] netlink_unicast+0x449/0x710 [ 9648.910584][ T10] netlink_sendmsg+0x723/0xbe0 [ 9648.910584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9648.910584][ T10] ___sys_sendmsg+0xee/0x170 [ 9648.910584][ T10] __sys_sendmsg+0xcd/0x170 [ 9648.910584][ T10] do_syscall_64+0xc6/0x1e0 [ 9648.910584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9648.910584][ T10] [ 9648.912795][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9648.913043][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9648.913043][ T10] netdev_get_by_index+0x5e/0x80 [ 9648.913043][ T10] fib6_nh_init+0x3d8/0x1580 [ 9648.913043][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9648.913043][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9648.913043][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9648.913043][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9648.913043][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9648.913043][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9648.913043][ T10] addrconf_dad_begin+0x310/0x670 [ 9648.913043][ T10] addrconf_dad_work+0x10b/0xab0 [ 9648.913043][ T10] process_one_work+0x84d/0x18a0 [ 9648.913043][ T10] worker_thread+0x587/0xd30 [ 9648.913043][ T10] kthread+0x28a/0x350 [ 9648.913043][ T10] ret_from_fork+0x31/0x70 [ 9648.913043][ T10] ret_from_fork_asm+0x1a/0x30 [ 9648.913043][ T10] [ 9648.914971][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9648.914971][ T10] netdev_get_by_index+0x5e/0x80 [ 9648.914971][ T10] fib6_nh_init+0x3d8/0x1580 [ 9648.914971][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9648.914971][ T10] ip6_route_add+0x1c/0x140 [ 9648.914971][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9648.914971][ T10] inet6_addr_add+0x4f8/0xa40 [ 9648.914971][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9648.914971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9648.914971][ T10] netlink_rcv_skb+0x130/0x360 [ 9648.914971][ T10] netlink_unicast+0x449/0x710 [ 9648.914971][ T10] netlink_sendmsg+0x723/0xbe0 [ 9648.914971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9648.914971][ T10] ___sys_sendmsg+0xee/0x170 [ 9648.914971][ T10] __sys_sendmsg+0xcd/0x170 [ 9648.914971][ T10] do_syscall_64+0xc6/0x1e0 [ 9648.914971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9648.914971][ T10] [ 9648.917163][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9648.917163][ T10] netdev_get_by_index+0x5e/0x80 [ 9648.917163][ T10] fib6_nh_init+0x3d8/0x1580 [ 9648.917163][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9648.917163][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9648.917163][ T10] ipv6_add_addr+0x411/0x2000 [ 9648.917163][ T10] inet6_addr_add+0x30e/0xa40 [ 9648.917163][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9648.917163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9648.917163][ T10] netlink_rcv_skb+0x130/0x360 [ 9648.917163][ T10] netlink_unicast+0x449/0x710 [ 9648.917163][ T10] netlink_sendmsg+0x723/0xbe0 [ 9648.917163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9648.917163][ T10] ___sys_sendmsg+0xee/0x170 [ 9648.917163][ T10] __sys_sendmsg+0xcd/0x170 [ 9648.917163][ T10] do_syscall_64+0xc6/0x1e0 [ 9648.917163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9648.917163][ T10] [ 9648.919478][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9648.919478][ T10] netdev_get_by_index+0x5e/0x80 [ 9648.919478][ T10] fib6_nh_init+0x3d8/0x1580 [ 9648.919478][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9648.919478][ T10] ip6_route_add+0x1c/0x140 [ 9648.919478][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9648.919478][ T10] addrconf_add_dev+0xe2/0x170 [ 9648.919478][ T10] inet6_addr_add+0x12f/0xa40 [ 9648.919478][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9648.919478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9648.919478][ T10] netlink_rcv_skb+0x130/0x360 [ 9648.919478][ T10] netlink_unicast+0x449/0x710 [ 9648.919478][ T10] netlink_sendmsg+0x723/0xbe0 [ 9648.919478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9648.919478][ T10] ___sys_sendmsg+0xee/0x170 [ 9648.919478][ T10] __sys_sendmsg+0xcd/0x170 [ 9648.919478][ T10] do_syscall_64+0xc6/0x1e0 [ 9648.919478][ T10] [ 9648.921630][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9648.921630][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9648.921630][ T10] ipv6_find_idev+0x102/0x170 [ 9648.921630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9648.921630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9648.921630][ T10] netlink_rcv_skb+0x130/0x360 [ 9648.921630][ T10] netlink_unicast+0x449/0x710 [ 9648.921630][ T10] netlink_sendmsg+0x723/0xbe0 [ 9648.921630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9648.921630][ T10] ___sys_sendmsg+0xee/0x170 [ 9648.921630][ T10] __sys_sendmsg+0xcd/0x170 [ 9648.921630][ T10] do_syscall_64+0xc6/0x1e0 [ 9648.921630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9648.921630][ T10] [ 9648.923369][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9648.923369][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9648.923369][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9648.923369][ T10] ipv6_find_idev+0x102/0x170 [ 9648.923369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9648.923369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9648.923369][ T10] netlink_rcv_skb+0x130/0x360 [ 9648.923369][ T10] netlink_unicast+0x449/0x710 [ 9648.923369][ T10] netlink_sendmsg+0x723/0xbe0 [ 9648.923369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9648.923369][ T10] ___sys_sendmsg+0xee/0x170 [ 9648.923369][ T10] __sys_sendmsg+0xcd/0x170 [ 9648.923369][ T10] do_syscall_64+0xc6/0x1e0 [ 9648.923369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9648.923369][ T10] [ 9648.925303][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9648.925540][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9648.925540][ T10] netdev_get_by_index+0x5e/0x80 [ 9648.925540][ T10] fib6_nh_init+0x3d8/0x1580 [ 9648.925540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9648.925540][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9648.925540][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9648.925540][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9648.925540][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9648.925540][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9648.925540][ T10] addrconf_dad_begin+0x310/0x670 [ 9648.925540][ T10] addrconf_dad_work+0x10b/0xab0 [ 9648.925540][ T10] process_one_work+0x84d/0x18a0 [ 9648.925540][ T10] worker_thread+0x587/0xd30 [ 9648.925540][ T10] kthread+0x28a/0x350 [ 9648.925540][ T10] ret_from_fork+0x31/0x70 [ 9648.925540][ T10] ret_from_fork_asm+0x1a/0x30 [ 9648.925540][ T10] [ 9648.927760][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9648.927760][ T10] netdev_get_by_index+0x5e/0x80 [ 9648.927760][ T10] fib6_nh_init+0x3d8/0x1580 [ 9648.927760][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9648.927760][ T10] ip6_route_add+0x1c/0x140 [ 9648.927760][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9648.927760][ T10] inet6_addr_add+0x4f8/0xa40 [ 9648.927760][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9648.927760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9648.927760][ T10] netlink_rcv_skb+0x130/0x360 [ 9648.927760][ T10] netlink_unicast+0x449/0x710 [ 9648.927760][ T10] netlink_sendmsg+0x723/0xbe0 [ 9648.927760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9648.927760][ T10] ___sys_sendmsg+0xee/0x170 [ 9648.927760][ T10] __sys_sendmsg+0xcd/0x170 [ 9648.927760][ T10] do_syscall_64+0xc6/0x1e0 [ 9648.927760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9648.927760][ T10] [ 9648.929954][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9648.929954][ T10] netdev_get_by_index+0x5e/0x80 [ 9648.929954][ T10] fib6_nh_init+0x3d8/0x1580 [ 9648.929954][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9648.929954][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9648.929954][ T10] ipv6_add_addr+0x411/0x2000 [ 9648.929954][ T10] inet6_addr_add+0x30e/0xa40 [ 9648.929954][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9648.929954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9648.929954][ T10] netlink_rcv_skb+0x130/0x360 [ 9648.929954][ T10] netlink_unicast+0x449/0x710 [ 9648.929954][ T10] netlink_sendmsg+0x723/0xbe0 [ 9648.929954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9648.929954][ T10] ___sys_sendmsg+0xee/0x170 [ 9648.929954][ T10] __sys_sendmsg+0xcd/0x170 [ 9648.929954][ T10] do_syscall_64+0xc6/0x1e0 [ 9648.929954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9648.929954][ T10] [ 9648.932208][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9648.932208][ T10] netdev_get_by_index+0x5e/0x80 [ 9648.932208][ T10] fib6_nh_init+0x3d8/0x1580 [ 9648.932208][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9648.932208][ T10] ip6_route_add+0x1c/0x140 [ 9648.932208][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9648.932208][ T10] addrconf_add_dev+0xe2/0x170 [ 9648.932208][ T10] inet6_addr_add+0x12f/0xa40 [ 9648.932208][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9648.932208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9648.932208][ T10] netlink_rcv_skb+0x130/0x360 [ 9648.932208][ T10] netlink_unicast+0x449/0x710 [ 9648.932208][ T10] netlink_sendmsg+0x723/0xbe0 [ 9648.932208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9648.932208][ T10] ___sys_sendmsg+0xee/0x170 [ 9648.932208][ T10] __sys_sendmsg+0xcd/0x170 [ 9648.932208][ T10] do_syscall_64+0xc6/0x1e0 [ 9648.932208][ T10] [ 9648.934445][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9648.934445][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9648.934445][ T10] ipv6_find_idev+0x102/0x170 [ 9648.934445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9648.934445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9648.934445][ T10] netlink_rcv_skb+0x130/0x360 [ 9648.934445][ T10] netlink_unicast+0x449/0x710 [ 9648.934445][ T10] netlink_sendmsg+0x723/0xbe0 [ 9648.934445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9648.934445][ T10] ___sys_sendmsg+0xee/0x170 [ 9648.934445][ T10] __sys_sendmsg+0xcd/0x170 [ 9648.934445][ T10] do_syscall_64+0xc6/0x1e0 [ 9648.934445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9648.934445][ T10] [ 9648.936185][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9648.936185][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9648.936185][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9648.936185][ T10] ipv6_find_idev+0x102/0x170 [ 9648.936185][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9648.936185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9648.936185][ T10] netlink_rcv_skb+0x130/0x360 [ 9648.936185][ T10] netlink_unicast+0x449/0x710 [ 9648.936185][ T10] netlink_sendmsg+0x723/0xbe0 [ 9648.936185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9648.936185][ T10] ___sys_sendmsg+0xee/0x170 [ 9648.936185][ T10] __sys_sendmsg+0xcd/0x170 [ 9648.936185][ T10] do_syscall_64+0xc6/0x1e0 [ 9648.936185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9648.936185][ T10] [ 9652.313101][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9652.313598][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9652.313598][ T1167] dst_init+0x84/0x4a0 [ 9652.313598][ T1167] dst_alloc+0x97/0x150 [ 9652.313598][ T1167] ip6_dst_alloc+0x23/0x90 [ 9652.313598][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9652.313598][ T1167] ip6_pol_route+0x56f/0x840 [ 9652.313598][ T1167] fib6_rule_lookup+0x334/0x630 [ 9652.313598][ T1167] ip6_route_output_flags+0x259/0x480 [ 9652.313598][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9652.313598][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9652.313598][ T1167] netlink_rcv_skb+0x130/0x360 [ 9652.313598][ T1167] netlink_unicast+0x449/0x710 [ 9652.313598][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9652.313598][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9652.313598][ T1167] ___sys_sendmsg+0xee/0x170 [ 9652.313598][ T1167] __sys_sendmsg+0xcd/0x170 [ 9652.313598][ T1167] do_syscall_64+0xc6/0x1e0 [ 9652.313598][ T1167] [ 9652.315817][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9652.315817][ T1167] netdev_get_by_index+0x5e/0x80 [ 9652.315817][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9652.315817][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9652.315817][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9652.315817][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9652.315817][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9652.315817][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9652.315817][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9652.315817][ T1167] addrconf_dad_begin+0x310/0x670 [ 9652.315817][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9652.315817][ T1167] process_one_work+0x84d/0x18a0 [ 9652.315817][ T1167] worker_thread+0x587/0xd30 [ 9652.315817][ T1167] kthread+0x28a/0x350 [ 9652.315817][ T1167] ret_from_fork+0x31/0x70 [ 9652.315817][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9652.315817][ T1167] [ 9652.317985][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9652.317985][ T1167] netdev_get_by_index+0x5e/0x80 [ 9652.317985][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9652.317985][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9652.317985][ T1167] ip6_route_add+0x1c/0x140 [ 9652.317985][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9652.317985][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9652.317985][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9652.317985][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9652.317985][ T1167] netlink_rcv_skb+0x130/0x360 [ 9652.317985][ T1167] netlink_unicast+0x449/0x710 [ 9652.317985][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9652.317985][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9652.317985][ T1167] ___sys_sendmsg+0xee/0x170 [ 9652.317985][ T1167] __sys_sendmsg+0xcd/0x170 [ 9652.317985][ T1167] do_syscall_64+0xc6/0x1e0 [ 9652.317985][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9652.317985][ T1167] [ 9652.320247][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9652.320247][ T1167] netdev_get_by_index+0x5e/0x80 [ 9652.320247][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9652.320247][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9652.320247][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9652.320247][ T1167] ipv6_add_addr+0x411/0x2000 [ 9652.320247][ T1167] inet6_addr_add+0x30e/0xa40 [ 9652.320247][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9652.320247][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9652.320247][ T1167] netlink_rcv_skb+0x130/0x360 [ 9652.320247][ T1167] netlink_unicast+0x449/0x710 [ 9652.320247][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9652.320247][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9652.320247][ T1167] ___sys_sendmsg+0xee/0x170 [ 9652.320247][ T1167] __sys_sendmsg+0xcd/0x170 [ 9652.320247][ T1167] do_syscall_64+0xc6/0x1e0 [ 9652.320247][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9652.320247][ T1167] [ 9652.322512][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9652.322512][ T1167] netdev_get_by_index+0x5e/0x80 [ 9652.322512][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9652.322512][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9652.322512][ T1167] ip6_route_add+0x1c/0x140 [ 9652.322512][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9652.322512][ T1167] addrconf_add_dev+0xe2/0x170 [ 9652.322512][ T1167] inet6_addr_add+0x12f/0xa40 [ 9652.322512][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9652.322512][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9652.322512][ T1167] netlink_rcv_skb+0x130/0x360 [ 9652.322512][ T1167] netlink_unicast+0x449/0x710 [ 9652.322512][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9652.322512][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9652.322512][ T1167] ___sys_sendmsg+0xee/0x170 [ 9652.322512][ T1167] __sys_sendmsg+0xcd/0x170 [ 9652.322512][ T1167] do_syscall_64+0xc6/0x1e0 [ 9652.322512][ T1167] [ 9652.324768][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9652.324768][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9652.324768][ T1167] ipv6_find_idev+0x102/0x170 [ 9652.324768][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9652.324768][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9652.324768][ T1167] netlink_rcv_skb+0x130/0x360 [ 9652.324768][ T1167] netlink_unicast+0x449/0x710 [ 9652.324768][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9652.324768][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9652.324768][ T1167] ___sys_sendmsg+0xee/0x170 [ 9652.324768][ T1167] __sys_sendmsg+0xcd/0x170 [ 9652.324768][ T1167] do_syscall_64+0xc6/0x1e0 [ 9652.324768][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9652.324768][ T1167] [ 9652.326544][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9652.326544][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9652.326544][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9652.326544][ T1167] ipv6_find_idev+0x102/0x170 [ 9652.326544][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9652.326544][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9652.326544][ T1167] netlink_rcv_skb+0x130/0x360 [ 9652.326544][ T1167] netlink_unicast+0x449/0x710 [ 9652.326544][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9652.326544][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9652.326544][ T1167] ___sys_sendmsg+0xee/0x170 [ 9652.326544][ T1167] __sys_sendmsg+0xcd/0x170 [ 9652.326544][ T1167] do_syscall_64+0xc6/0x1e0 [ 9652.326544][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9652.326544][ T1167] [ 9659.193039][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9659.193460][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9659.193460][ T10] netdev_get_by_index+0x5e/0x80 [ 9659.193460][ T10] fib6_nh_init+0x3d8/0x1580 [ 9659.193460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9659.193460][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9659.193460][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9659.193460][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9659.193460][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9659.193460][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9659.193460][ T10] addrconf_dad_begin+0x310/0x670 [ 9659.193460][ T10] addrconf_dad_work+0x10b/0xab0 [ 9659.193460][ T10] process_one_work+0x84d/0x18a0 [ 9659.193460][ T10] worker_thread+0x587/0xd30 [ 9659.193460][ T10] kthread+0x28a/0x350 [ 9659.193460][ T10] ret_from_fork+0x31/0x70 [ 9659.193460][ T10] ret_from_fork_asm+0x1a/0x30 [ 9659.193460][ T10] [ 9659.195416][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9659.195416][ T10] netdev_get_by_index+0x5e/0x80 [ 9659.195416][ T10] fib6_nh_init+0x3d8/0x1580 [ 9659.195416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9659.195416][ T10] ip6_route_add+0x1c/0x140 [ 9659.195416][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9659.195416][ T10] inet6_addr_add+0x4f8/0xa40 [ 9659.195416][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9659.195416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9659.195416][ T10] netlink_rcv_skb+0x130/0x360 [ 9659.195416][ T10] netlink_unicast+0x449/0x710 [ 9659.195416][ T10] netlink_sendmsg+0x723/0xbe0 [ 9659.195416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9659.195416][ T10] ___sys_sendmsg+0xee/0x170 [ 9659.195416][ T10] __sys_sendmsg+0xcd/0x170 [ 9659.195416][ T10] do_syscall_64+0xc6/0x1e0 [ 9659.195416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9659.195416][ T10] [ 9659.197441][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9659.197441][ T10] netdev_get_by_index+0x5e/0x80 [ 9659.197441][ T10] fib6_nh_init+0x3d8/0x1580 [ 9659.197441][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9659.197441][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9659.197441][ T10] ipv6_add_addr+0x411/0x2000 [ 9659.197441][ T10] inet6_addr_add+0x30e/0xa40 [ 9659.197441][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9659.197441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9659.197441][ T10] netlink_rcv_skb+0x130/0x360 [ 9659.197441][ T10] netlink_unicast+0x449/0x710 [ 9659.197441][ T10] netlink_sendmsg+0x723/0xbe0 [ 9659.197441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9659.197441][ T10] ___sys_sendmsg+0xee/0x170 [ 9659.197441][ T10] __sys_sendmsg+0xcd/0x170 [ 9659.197441][ T10] do_syscall_64+0xc6/0x1e0 [ 9659.197441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9659.197441][ T10] [ 9659.199463][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9659.199463][ T10] netdev_get_by_index+0x5e/0x80 [ 9659.199463][ T10] fib6_nh_init+0x3d8/0x1580 [ 9659.199463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9659.199463][ T10] ip6_route_add+0x1c/0x140 [ 9659.199463][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9659.199463][ T10] addrconf_add_dev+0xe2/0x170 [ 9659.199463][ T10] inet6_addr_add+0x12f/0xa40 [ 9659.199463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9659.199463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9659.199463][ T10] netlink_rcv_skb+0x130/0x360 [ 9659.199463][ T10] netlink_unicast+0x449/0x710 [ 9659.199463][ T10] netlink_sendmsg+0x723/0xbe0 [ 9659.199463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9659.199463][ T10] ___sys_sendmsg+0xee/0x170 [ 9659.199463][ T10] __sys_sendmsg+0xcd/0x170 [ 9659.199463][ T10] do_syscall_64+0xc6/0x1e0 [ 9659.199463][ T10] [ 9659.201455][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9659.201455][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9659.201455][ T10] ipv6_find_idev+0x102/0x170 [ 9659.201455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9659.201455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9659.201455][ T10] netlink_rcv_skb+0x130/0x360 [ 9659.201455][ T10] netlink_unicast+0x449/0x710 [ 9659.201455][ T10] netlink_sendmsg+0x723/0xbe0 [ 9659.201455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9659.201455][ T10] ___sys_sendmsg+0xee/0x170 [ 9659.201455][ T10] __sys_sendmsg+0xcd/0x170 [ 9659.201455][ T10] do_syscall_64+0xc6/0x1e0 [ 9659.201455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9659.201455][ T10] [ 9659.203015][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9659.203015][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9659.203015][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9659.203015][ T10] ipv6_find_idev+0x102/0x170 [ 9659.203015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9659.203015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9659.203015][ T10] netlink_rcv_skb+0x130/0x360 [ 9659.203015][ T10] netlink_unicast+0x449/0x710 [ 9659.203015][ T10] netlink_sendmsg+0x723/0xbe0 [ 9659.203015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9659.203015][ T10] ___sys_sendmsg+0xee/0x170 [ 9659.203015][ T10] __sys_sendmsg+0xcd/0x170 [ 9659.203015][ T10] do_syscall_64+0xc6/0x1e0 [ 9659.203015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9659.203015][ T10] [ 9659.204719][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9659.204966][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9659.204966][ T10] netdev_get_by_index+0x5e/0x80 [ 9659.204966][ T10] fib6_nh_init+0x3d8/0x1580 [ 9659.204966][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9659.204966][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9659.204966][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9659.204966][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9659.204966][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9659.204966][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9659.204966][ T10] addrconf_dad_begin+0x310/0x670 [ 9659.204966][ T10] addrconf_dad_work+0x10b/0xab0 [ 9659.204966][ T10] process_one_work+0x84d/0x18a0 [ 9659.204966][ T10] worker_thread+0x587/0xd30 [ 9659.204966][ T10] kthread+0x28a/0x350 [ 9659.204966][ T10] ret_from_fork+0x31/0x70 [ 9659.204966][ T10] ret_from_fork_asm+0x1a/0x30 [ 9659.204966][ T10] [ 9659.206881][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9659.206881][ T10] netdev_get_by_index+0x5e/0x80 [ 9659.206881][ T10] fib6_nh_init+0x3d8/0x1580 [ 9659.206881][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9659.206881][ T10] ip6_route_add+0x1c/0x140 [ 9659.206881][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9659.206881][ T10] inet6_addr_add+0x4f8/0xa40 [ 9659.206881][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9659.206881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9659.206881][ T10] netlink_rcv_skb+0x130/0x360 [ 9659.206881][ T10] netlink_unicast+0x449/0x710 [ 9659.206881][ T10] netlink_sendmsg+0x723/0xbe0 [ 9659.206881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9659.206881][ T10] ___sys_sendmsg+0xee/0x170 [ 9659.206881][ T10] __sys_sendmsg+0xcd/0x170 [ 9659.206881][ T10] do_syscall_64+0xc6/0x1e0 [ 9659.206881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9659.206881][ T10] [ 9659.208898][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9659.208898][ T10] netdev_get_by_index+0x5e/0x80 [ 9659.208898][ T10] fib6_nh_init+0x3d8/0x1580 [ 9659.208898][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9659.208898][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9659.208898][ T10] ipv6_add_addr+0x411/0x2000 [ 9659.208898][ T10] inet6_addr_add+0x30e/0xa40 [ 9659.208898][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9659.208898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9659.208898][ T10] netlink_rcv_skb+0x130/0x360 [ 9659.208898][ T10] netlink_unicast+0x449/0x710 [ 9659.208898][ T10] netlink_sendmsg+0x723/0xbe0 [ 9659.208898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9659.208898][ T10] ___sys_sendmsg+0xee/0x170 [ 9659.208898][ T10] __sys_sendmsg+0xcd/0x170 [ 9659.208898][ T10] do_syscall_64+0xc6/0x1e0 [ 9659.208898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9659.208898][ T10] [ 9659.210908][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9659.210908][ T10] netdev_get_by_index+0x5e/0x80 [ 9659.210908][ T10] fib6_nh_init+0x3d8/0x1580 [ 9659.210908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9659.210908][ T10] ip6_route_add+0x1c/0x140 [ 9659.210908][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9659.210908][ T10] addrconf_add_dev+0xe2/0x170 [ 9659.210908][ T10] inet6_addr_add+0x12f/0xa40 [ 9659.210908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9659.210908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9659.210908][ T10] netlink_rcv_skb+0x130/0x360 [ 9659.210908][ T10] netlink_unicast+0x449/0x710 [ 9659.210908][ T10] netlink_sendmsg+0x723/0xbe0 [ 9659.210908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9659.210908][ T10] ___sys_sendmsg+0xee/0x170 [ 9659.210908][ T10] __sys_sendmsg+0xcd/0x170 [ 9659.210908][ T10] do_syscall_64+0xc6/0x1e0 [ 9659.210908][ T10] [ 9659.212888][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9659.212888][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9659.212888][ T10] ipv6_find_idev+0x102/0x170 [ 9659.212888][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9659.212888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9659.212888][ T10] netlink_rcv_skb+0x130/0x360 [ 9659.212888][ T10] netlink_unicast+0x449/0x710 [ 9659.212888][ T10] netlink_sendmsg+0x723/0xbe0 [ 9659.212888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9659.212888][ T10] ___sys_sendmsg+0xee/0x170 [ 9659.212888][ T10] __sys_sendmsg+0xcd/0x170 [ 9659.212888][ T10] do_syscall_64+0xc6/0x1e0 [ 9659.212888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9659.212888][ T10] [ 9659.214454][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9659.214454][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9659.214454][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9659.214454][ T10] ipv6_find_idev+0x102/0x170 [ 9659.214454][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9659.214454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9659.214454][ T10] netlink_rcv_skb+0x130/0x360 [ 9659.214454][ T10] netlink_unicast+0x449/0x710 [ 9659.214454][ T10] netlink_sendmsg+0x723/0xbe0 [ 9659.214454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9659.214454][ T10] ___sys_sendmsg+0xee/0x170 [ 9659.214454][ T10] __sys_sendmsg+0xcd/0x170 [ 9659.214454][ T10] do_syscall_64+0xc6/0x1e0 [ 9659.214454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9659.214454][ T10] [ 9659.216153][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9659.216391][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9659.216391][ T10] netdev_get_by_index+0x5e/0x80 [ 9659.216391][ T10] fib6_nh_init+0x3d8/0x1580 [ 9659.216391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9659.216391][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9659.216391][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9659.216391][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9659.216391][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9659.216391][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9659.216391][ T10] addrconf_dad_begin+0x310/0x670 [ 9659.216391][ T10] addrconf_dad_work+0x10b/0xab0 [ 9659.216391][ T10] process_one_work+0x84d/0x18a0 [ 9659.216391][ T10] worker_thread+0x587/0xd30 [ 9659.216391][ T10] kthread+0x28a/0x350 [ 9659.216391][ T10] ret_from_fork+0x31/0x70 [ 9659.216391][ T10] ret_from_fork_asm+0x1a/0x30 [ 9659.216391][ T10] [ 9659.218312][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9659.218312][ T10] netdev_get_by_index+0x5e/0x80 [ 9659.218312][ T10] fib6_nh_init+0x3d8/0x1580 [ 9659.218312][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9659.218312][ T10] ip6_route_add+0x1c/0x140 [ 9659.218312][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9659.218312][ T10] inet6_addr_add+0x4f8/0xa40 [ 9659.218312][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9659.218312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9659.218312][ T10] netlink_rcv_skb+0x130/0x360 [ 9659.218312][ T10] netlink_unicast+0x449/0x710 [ 9659.218312][ T10] netlink_sendmsg+0x723/0xbe0 [ 9659.218312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9659.218312][ T10] ___sys_sendmsg+0xee/0x170 [ 9659.218312][ T10] __sys_sendmsg+0xcd/0x170 [ 9659.218312][ T10] do_syscall_64+0xc6/0x1e0 [ 9659.218312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9659.218312][ T10] [ 9659.220505][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9659.220505][ T10] netdev_get_by_index+0x5e/0x80 [ 9659.220505][ T10] fib6_nh_init+0x3d8/0x1580 [ 9659.220505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9659.220505][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9659.220505][ T10] ipv6_add_addr+0x411/0x2000 [ 9659.220505][ T10] inet6_addr_add+0x30e/0xa40 [ 9659.220505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9659.220505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9659.220505][ T10] netlink_rcv_skb+0x130/0x360 [ 9659.220505][ T10] netlink_unicast+0x449/0x710 [ 9659.220505][ T10] netlink_sendmsg+0x723/0xbe0 [ 9659.220505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9659.220505][ T10] ___sys_sendmsg+0xee/0x170 [ 9659.220505][ T10] __sys_sendmsg+0xcd/0x170 [ 9659.220505][ T10] do_syscall_64+0xc6/0x1e0 [ 9659.220505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9659.220505][ T10] [ 9659.222816][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9659.222816][ T10] netdev_get_by_index+0x5e/0x80 [ 9659.222816][ T10] fib6_nh_init+0x3d8/0x1580 [ 9659.222816][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9659.222816][ T10] ip6_route_add+0x1c/0x140 [ 9659.222816][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9659.222816][ T10] addrconf_add_dev+0xe2/0x170 [ 9659.222816][ T10] inet6_addr_add+0x12f/0xa40 [ 9659.222816][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9659.222816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9659.222816][ T10] netlink_rcv_skb+0x130/0x360 [ 9659.222816][ T10] netlink_unicast+0x449/0x710 [ 9659.222816][ T10] netlink_sendmsg+0x723/0xbe0 [ 9659.222816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9659.222816][ T10] ___sys_sendmsg+0xee/0x170 [ 9659.222816][ T10] __sys_sendmsg+0xcd/0x170 [ 9659.222816][ T10] do_syscall_64+0xc6/0x1e0 [ 9659.222816][ T10] [ 9659.224990][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9659.224990][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9659.224990][ T10] ipv6_find_idev+0x102/0x170 [ 9659.224990][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9659.224990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9659.224990][ T10] netlink_rcv_skb+0x130/0x360 [ 9659.224990][ T10] netlink_unicast+0x449/0x710 [ 9659.224990][ T10] netlink_sendmsg+0x723/0xbe0 [ 9659.224990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9659.224990][ T10] ___sys_sendmsg+0xee/0x170 [ 9659.224990][ T10] __sys_sendmsg+0xcd/0x170 [ 9659.224990][ T10] do_syscall_64+0xc6/0x1e0 [ 9659.224990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9659.224990][ T10] [ 9659.226724][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9659.226724][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9659.226724][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9659.226724][ T10] ipv6_find_idev+0x102/0x170 [ 9659.226724][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9659.226724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9659.226724][ T10] netlink_rcv_skb+0x130/0x360 [ 9659.226724][ T10] netlink_unicast+0x449/0x710 [ 9659.226724][ T10] netlink_sendmsg+0x723/0xbe0 [ 9659.226724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9659.226724][ T10] ___sys_sendmsg+0xee/0x170 [ 9659.226724][ T10] __sys_sendmsg+0xcd/0x170 [ 9659.226724][ T10] do_syscall_64+0xc6/0x1e0 [ 9659.226724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9659.226724][ T10] [ 9659.228651][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9659.228889][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9659.228889][ T10] netdev_get_by_index+0x5e/0x80 [ 9659.228889][ T10] fib6_nh_init+0x3d8/0x1580 [ 9659.228889][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9659.228889][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9659.228889][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9659.228889][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9659.228889][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9659.228889][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9659.228889][ T10] addrconf_dad_begin+0x310/0x670 [ 9659.228889][ T10] addrconf_dad_work+0x10b/0xab0 [ 9659.228889][ T10] process_one_work+0x84d/0x18a0 [ 9659.228889][ T10] worker_thread+0x587/0xd30 [ 9659.228889][ T10] kthread+0x28a/0x350 [ 9659.228889][ T10] ret_from_fork+0x31/0x70 [ 9659.228889][ T10] ret_from_fork_asm+0x1a/0x30 [ 9659.228889][ T10] [ 9659.231110][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9659.231110][ T10] netdev_get_by_index+0x5e/0x80 [ 9659.231110][ T10] fib6_nh_init+0x3d8/0x1580 [ 9659.231110][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9659.231110][ T10] ip6_route_add+0x1c/0x140 [ 9659.231110][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9659.231110][ T10] inet6_addr_add+0x4f8/0xa40 [ 9659.231110][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9659.231110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9659.231110][ T10] netlink_rcv_skb+0x130/0x360 [ 9659.231110][ T10] netlink_unicast+0x449/0x710 [ 9659.231110][ T10] netlink_sendmsg+0x723/0xbe0 [ 9659.231110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9659.231110][ T10] ___sys_sendmsg+0xee/0x170 [ 9659.231110][ T10] __sys_sendmsg+0xcd/0x170 [ 9659.231110][ T10] do_syscall_64+0xc6/0x1e0 [ 9659.231110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9659.231110][ T10] [ 9659.233299][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9659.233299][ T10] netdev_get_by_index+0x5e/0x80 [ 9659.233299][ T10] fib6_nh_init+0x3d8/0x1580 [ 9659.233299][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9659.233299][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9659.233299][ T10] ipv6_add_addr+0x411/0x2000 [ 9659.233299][ T10] inet6_addr_add+0x30e/0xa40 [ 9659.233299][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9659.233299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9659.233299][ T10] netlink_rcv_skb+0x130/0x360 [ 9659.233299][ T10] netlink_unicast+0x449/0x710 [ 9659.233299][ T10] netlink_sendmsg+0x723/0xbe0 [ 9659.233299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9659.233299][ T10] ___sys_sendmsg+0xee/0x170 [ 9659.233299][ T10] __sys_sendmsg+0xcd/0x170 [ 9659.233299][ T10] do_syscall_64+0xc6/0x1e0 [ 9659.233299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9659.233299][ T10] [ 9659.235551][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9659.235551][ T10] netdev_get_by_index+0x5e/0x80 [ 9659.235551][ T10] fib6_nh_init+0x3d8/0x1580 [ 9659.235551][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9659.235551][ T10] ip6_route_add+0x1c/0x140 [ 9659.235551][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9659.235551][ T10] addrconf_add_dev+0xe2/0x170 [ 9659.235551][ T10] inet6_addr_add+0x12f/0xa40 [ 9659.235551][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9659.235551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9659.235551][ T10] netlink_rcv_skb+0x130/0x360 [ 9659.235551][ T10] netlink_unicast+0x449/0x710 [ 9659.235551][ T10] netlink_sendmsg+0x723/0xbe0 [ 9659.235551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9659.235551][ T10] ___sys_sendmsg+0xee/0x170 [ 9659.235551][ T10] __sys_sendmsg+0xcd/0x170 [ 9659.235551][ T10] do_syscall_64+0xc6/0x1e0 [ 9659.235551][ T10] [ 9659.237764][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9659.237764][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9659.237764][ T10] ipv6_find_idev+0x102/0x170 [ 9659.237764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9659.237764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9659.237764][ T10] netlink_rcv_skb+0x130/0x360 [ 9659.237764][ T10] netlink_unicast+0x449/0x710 [ 9659.237764][ T10] netlink_sendmsg+0x723/0xbe0 [ 9659.237764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9659.237764][ T10] ___sys_sendmsg+0xee/0x170 [ 9659.237764][ T10] __sys_sendmsg+0xcd/0x170 [ 9659.237764][ T10] do_syscall_64+0xc6/0x1e0 [ 9659.237764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9659.237764][ T10] [ 9659.239496][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9659.239496][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9659.239496][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9659.239496][ T10] ipv6_find_idev+0x102/0x170 [ 9659.239496][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9659.239496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9659.239496][ T10] netlink_rcv_skb+0x130/0x360 [ 9659.239496][ T10] netlink_unicast+0x449/0x710 [ 9659.239496][ T10] netlink_sendmsg+0x723/0xbe0 [ 9659.239496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9659.239496][ T10] ___sys_sendmsg+0xee/0x170 [ 9659.239496][ T10] __sys_sendmsg+0xcd/0x170 [ 9659.239496][ T10] do_syscall_64+0xc6/0x1e0 [ 9659.239496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9659.239496][ T10] [ 9662.513115][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9662.513615][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9662.513615][ T1167] dst_init+0x84/0x4a0 [ 9662.513615][ T1167] dst_alloc+0x97/0x150 [ 9662.513615][ T1167] ip6_dst_alloc+0x23/0x90 [ 9662.513615][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9662.513615][ T1167] ip6_pol_route+0x56f/0x840 [ 9662.513615][ T1167] fib6_rule_lookup+0x334/0x630 [ 9662.513615][ T1167] ip6_route_output_flags+0x259/0x480 [ 9662.513615][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9662.513615][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9662.513615][ T1167] netlink_rcv_skb+0x130/0x360 [ 9662.513615][ T1167] netlink_unicast+0x449/0x710 [ 9662.513615][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9662.513615][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9662.513615][ T1167] ___sys_sendmsg+0xee/0x170 [ 9662.513615][ T1167] __sys_sendmsg+0xcd/0x170 [ 9662.513615][ T1167] do_syscall_64+0xc6/0x1e0 [ 9662.513615][ T1167] [ 9662.515843][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9662.515843][ T1167] netdev_get_by_index+0x5e/0x80 [ 9662.515843][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9662.515843][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9662.515843][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9662.515843][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9662.515843][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9662.515843][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9662.515843][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9662.515843][ T1167] addrconf_dad_begin+0x310/0x670 [ 9662.515843][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9662.515843][ T1167] process_one_work+0x84d/0x18a0 [ 9662.515843][ T1167] worker_thread+0x587/0xd30 [ 9662.515843][ T1167] kthread+0x28a/0x350 [ 9662.515843][ T1167] ret_from_fork+0x31/0x70 [ 9662.515843][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9662.515843][ T1167] [ 9662.518015][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9662.518015][ T1167] netdev_get_by_index+0x5e/0x80 [ 9662.518015][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9662.518015][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9662.518015][ T1167] ip6_route_add+0x1c/0x140 [ 9662.518015][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9662.518015][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9662.518015][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9662.518015][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9662.518015][ T1167] netlink_rcv_skb+0x130/0x360 [ 9662.518015][ T1167] netlink_unicast+0x449/0x710 [ 9662.518015][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9662.518015][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9662.518015][ T1167] ___sys_sendmsg+0xee/0x170 [ 9662.518015][ T1167] __sys_sendmsg+0xcd/0x170 [ 9662.518015][ T1167] do_syscall_64+0xc6/0x1e0 [ 9662.518015][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9662.518015][ T1167] [ 9662.520282][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9662.520282][ T1167] netdev_get_by_index+0x5e/0x80 [ 9662.520282][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9662.520282][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9662.520282][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9662.520282][ T1167] ipv6_add_addr+0x411/0x2000 [ 9662.520282][ T1167] inet6_addr_add+0x30e/0xa40 [ 9662.520282][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9662.520282][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9662.520282][ T1167] netlink_rcv_skb+0x130/0x360 [ 9662.520282][ T1167] netlink_unicast+0x449/0x710 [ 9662.520282][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9662.520282][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9662.520282][ T1167] ___sys_sendmsg+0xee/0x170 [ 9662.520282][ T1167] __sys_sendmsg+0xcd/0x170 [ 9662.520282][ T1167] do_syscall_64+0xc6/0x1e0 [ 9662.520282][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9662.520282][ T1167] [ 9662.522633][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9662.522633][ T1167] netdev_get_by_index+0x5e/0x80 [ 9662.522633][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9662.522633][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9662.522633][ T1167] ip6_route_add+0x1c/0x140 [ 9662.522633][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9662.522633][ T1167] addrconf_add_dev+0xe2/0x170 [ 9662.522633][ T1167] inet6_addr_add+0x12f/0xa40 [ 9662.522633][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9662.522633][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9662.522633][ T1167] netlink_rcv_skb+0x130/0x360 [ 9662.522633][ T1167] netlink_unicast+0x449/0x710 [ 9662.522633][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9662.522633][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9662.522633][ T1167] ___sys_sendmsg+0xee/0x170 [ 9662.522633][ T1167] __sys_sendmsg+0xcd/0x170 [ 9662.522633][ T1167] do_syscall_64+0xc6/0x1e0 [ 9662.522633][ T1167] [ 9662.524874][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9662.524874][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9662.524874][ T1167] ipv6_find_idev+0x102/0x170 [ 9662.524874][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9662.524874][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9662.524874][ T1167] netlink_rcv_skb+0x130/0x360 [ 9662.524874][ T1167] netlink_unicast+0x449/0x710 [ 9662.524874][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9662.524874][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9662.524874][ T1167] ___sys_sendmsg+0xee/0x170 [ 9662.524874][ T1167] __sys_sendmsg+0xcd/0x170 [ 9662.524874][ T1167] do_syscall_64+0xc6/0x1e0 [ 9662.524874][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9662.524874][ T1167] [ 9662.526619][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9662.526619][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9662.526619][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9662.526619][ T1167] ipv6_find_idev+0x102/0x170 [ 9662.526619][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9662.526619][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9662.526619][ T1167] netlink_rcv_skb+0x130/0x360 [ 9662.526619][ T1167] netlink_unicast+0x449/0x710 [ 9662.526619][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9662.526619][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9662.526619][ T1167] ___sys_sendmsg+0xee/0x170 [ 9662.526619][ T1167] __sys_sendmsg+0xcd/0x170 [ 9662.526619][ T1167] do_syscall_64+0xc6/0x1e0 [ 9662.526619][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9662.526619][ T1167] [ 9669.497120][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9669.497544][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9669.497544][ T10] netdev_get_by_index+0x5e/0x80 [ 9669.497544][ T10] fib6_nh_init+0x3d8/0x1580 [ 9669.497544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9669.497544][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9669.497544][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9669.497544][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9669.497544][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9669.497544][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9669.497544][ T10] addrconf_dad_begin+0x310/0x670 [ 9669.497544][ T10] addrconf_dad_work+0x10b/0xab0 [ 9669.497544][ T10] process_one_work+0x84d/0x18a0 [ 9669.497544][ T10] worker_thread+0x587/0xd30 [ 9669.497544][ T10] kthread+0x28a/0x350 [ 9669.497544][ T10] ret_from_fork+0x31/0x70 [ 9669.497544][ T10] ret_from_fork_asm+0x1a/0x30 [ 9669.497544][ T10] [ 9669.499508][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9669.499508][ T10] netdev_get_by_index+0x5e/0x80 [ 9669.499508][ T10] fib6_nh_init+0x3d8/0x1580 [ 9669.499508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9669.499508][ T10] ip6_route_add+0x1c/0x140 [ 9669.499508][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9669.499508][ T10] inet6_addr_add+0x4f8/0xa40 [ 9669.499508][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9669.499508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9669.499508][ T10] netlink_rcv_skb+0x130/0x360 [ 9669.499508][ T10] netlink_unicast+0x449/0x710 [ 9669.499508][ T10] netlink_sendmsg+0x723/0xbe0 [ 9669.499508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9669.499508][ T10] ___sys_sendmsg+0xee/0x170 [ 9669.499508][ T10] __sys_sendmsg+0xcd/0x170 [ 9669.499508][ T10] do_syscall_64+0xc6/0x1e0 [ 9669.499508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9669.499508][ T10] [ 9669.501525][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9669.501525][ T10] netdev_get_by_index+0x5e/0x80 [ 9669.501525][ T10] fib6_nh_init+0x3d8/0x1580 [ 9669.501525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9669.501525][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9669.501525][ T10] ipv6_add_addr+0x411/0x2000 [ 9669.501525][ T10] inet6_addr_add+0x30e/0xa40 [ 9669.501525][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9669.501525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9669.501525][ T10] netlink_rcv_skb+0x130/0x360 [ 9669.501525][ T10] netlink_unicast+0x449/0x710 [ 9669.501525][ T10] netlink_sendmsg+0x723/0xbe0 [ 9669.501525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9669.501525][ T10] ___sys_sendmsg+0xee/0x170 [ 9669.501525][ T10] __sys_sendmsg+0xcd/0x170 [ 9669.501525][ T10] do_syscall_64+0xc6/0x1e0 [ 9669.501525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9669.501525][ T10] [ 9669.503539][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9669.503539][ T10] netdev_get_by_index+0x5e/0x80 [ 9669.503539][ T10] fib6_nh_init+0x3d8/0x1580 [ 9669.503539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9669.503539][ T10] ip6_route_add+0x1c/0x140 [ 9669.503539][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9669.503539][ T10] addrconf_add_dev+0xe2/0x170 [ 9669.503539][ T10] inet6_addr_add+0x12f/0xa40 [ 9669.503539][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9669.503539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9669.503539][ T10] netlink_rcv_skb+0x130/0x360 [ 9669.503539][ T10] netlink_unicast+0x449/0x710 [ 9669.503539][ T10] netlink_sendmsg+0x723/0xbe0 [ 9669.503539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9669.503539][ T10] ___sys_sendmsg+0xee/0x170 [ 9669.503539][ T10] __sys_sendmsg+0xcd/0x170 [ 9669.503539][ T10] do_syscall_64+0xc6/0x1e0 [ 9669.503539][ T10] [ 9669.505504][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9669.505504][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9669.505504][ T10] ipv6_find_idev+0x102/0x170 [ 9669.505504][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9669.505504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9669.505504][ T10] netlink_rcv_skb+0x130/0x360 [ 9669.505504][ T10] netlink_unicast+0x449/0x710 [ 9669.505504][ T10] netlink_sendmsg+0x723/0xbe0 [ 9669.505504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9669.505504][ T10] ___sys_sendmsg+0xee/0x170 [ 9669.505504][ T10] __sys_sendmsg+0xcd/0x170 [ 9669.505504][ T10] do_syscall_64+0xc6/0x1e0 [ 9669.505504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9669.505504][ T10] [ 9669.507045][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9669.507045][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9669.507045][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9669.507045][ T10] ipv6_find_idev+0x102/0x170 [ 9669.507045][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9669.507045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9669.507045][ T10] netlink_rcv_skb+0x130/0x360 [ 9669.507045][ T10] netlink_unicast+0x449/0x710 [ 9669.507045][ T10] netlink_sendmsg+0x723/0xbe0 [ 9669.507045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9669.507045][ T10] ___sys_sendmsg+0xee/0x170 [ 9669.507045][ T10] __sys_sendmsg+0xcd/0x170 [ 9669.507045][ T10] do_syscall_64+0xc6/0x1e0 [ 9669.507045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9669.507045][ T10] [ 9669.508744][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9669.508988][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9669.508988][ T10] netdev_get_by_index+0x5e/0x80 [ 9669.508988][ T10] fib6_nh_init+0x3d8/0x1580 [ 9669.508988][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9669.508988][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9669.508988][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9669.508988][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9669.508988][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9669.508988][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9669.508988][ T10] addrconf_dad_begin+0x310/0x670 [ 9669.508988][ T10] addrconf_dad_work+0x10b/0xab0 [ 9669.508988][ T10] process_one_work+0x84d/0x18a0 [ 9669.508988][ T10] worker_thread+0x587/0xd30 [ 9669.508988][ T10] kthread+0x28a/0x350 [ 9669.508988][ T10] ret_from_fork+0x31/0x70 [ 9669.508988][ T10] ret_from_fork_asm+0x1a/0x30 [ 9669.508988][ T10] [ 9669.510901][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9669.510901][ T10] netdev_get_by_index+0x5e/0x80 [ 9669.510901][ T10] fib6_nh_init+0x3d8/0x1580 [ 9669.510901][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9669.510901][ T10] ip6_route_add+0x1c/0x140 [ 9669.510901][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9669.510901][ T10] inet6_addr_add+0x4f8/0xa40 [ 9669.510901][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9669.510901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9669.510901][ T10] netlink_rcv_skb+0x130/0x360 [ 9669.510901][ T10] netlink_unicast+0x449/0x710 [ 9669.510901][ T10] netlink_sendmsg+0x723/0xbe0 [ 9669.510901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9669.510901][ T10] ___sys_sendmsg+0xee/0x170 [ 9669.510901][ T10] __sys_sendmsg+0xcd/0x170 [ 9669.510901][ T10] do_syscall_64+0xc6/0x1e0 [ 9669.510901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9669.510901][ T10] [ 9669.512902][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9669.512902][ T10] netdev_get_by_index+0x5e/0x80 [ 9669.512902][ T10] fib6_nh_init+0x3d8/0x1580 [ 9669.512902][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9669.512902][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9669.512902][ T10] ipv6_add_addr+0x411/0x2000 [ 9669.512902][ T10] inet6_addr_add+0x30e/0xa40 [ 9669.512902][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9669.512902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9669.512902][ T10] netlink_rcv_skb+0x130/0x360 [ 9669.512902][ T10] netlink_unicast+0x449/0x710 [ 9669.512902][ T10] netlink_sendmsg+0x723/0xbe0 [ 9669.512902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9669.512902][ T10] ___sys_sendmsg+0xee/0x170 [ 9669.512902][ T10] __sys_sendmsg+0xcd/0x170 [ 9669.512902][ T10] do_syscall_64+0xc6/0x1e0 [ 9669.512902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9669.512902][ T10] [ 9669.514899][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9669.514899][ T10] netdev_get_by_index+0x5e/0x80 [ 9669.514899][ T10] fib6_nh_init+0x3d8/0x1580 [ 9669.514899][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9669.514899][ T10] ip6_route_add+0x1c/0x140 [ 9669.514899][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9669.514899][ T10] addrconf_add_dev+0xe2/0x170 [ 9669.514899][ T10] inet6_addr_add+0x12f/0xa40 [ 9669.514899][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9669.514899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9669.514899][ T10] netlink_rcv_skb+0x130/0x360 [ 9669.514899][ T10] netlink_unicast+0x449/0x710 [ 9669.514899][ T10] netlink_sendmsg+0x723/0xbe0 [ 9669.514899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9669.514899][ T10] ___sys_sendmsg+0xee/0x170 [ 9669.514899][ T10] __sys_sendmsg+0xcd/0x170 [ 9669.514899][ T10] do_syscall_64+0xc6/0x1e0 [ 9669.514899][ T10] [ 9669.516859][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9669.516859][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9669.516859][ T10] ipv6_find_idev+0x102/0x170 [ 9669.516859][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9669.516859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9669.516859][ T10] netlink_rcv_skb+0x130/0x360 [ 9669.516859][ T10] netlink_unicast+0x449/0x710 [ 9669.516859][ T10] netlink_sendmsg+0x723/0xbe0 [ 9669.516859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9669.516859][ T10] ___sys_sendmsg+0xee/0x170 [ 9669.516859][ T10] __sys_sendmsg+0xcd/0x170 [ 9669.516859][ T10] do_syscall_64+0xc6/0x1e0 [ 9669.516859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9669.516859][ T10] [ 9669.518405][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9669.518405][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9669.518405][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9669.518405][ T10] ipv6_find_idev+0x102/0x170 [ 9669.518405][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9669.518405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9669.518405][ T10] netlink_rcv_skb+0x130/0x360 [ 9669.518405][ T10] netlink_unicast+0x449/0x710 [ 9669.518405][ T10] netlink_sendmsg+0x723/0xbe0 [ 9669.518405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9669.518405][ T10] ___sys_sendmsg+0xee/0x170 [ 9669.518405][ T10] __sys_sendmsg+0xcd/0x170 [ 9669.518405][ T10] do_syscall_64+0xc6/0x1e0 [ 9669.518405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9669.518405][ T10] [ 9669.520091][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9669.520329][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9669.520329][ T10] netdev_get_by_index+0x5e/0x80 [ 9669.520329][ T10] fib6_nh_init+0x3d8/0x1580 [ 9669.520329][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9669.520329][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9669.520329][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9669.520329][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9669.520329][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9669.520329][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9669.520329][ T10] addrconf_dad_begin+0x310/0x670 [ 9669.520329][ T10] addrconf_dad_work+0x10b/0xab0 [ 9669.520329][ T10] process_one_work+0x84d/0x18a0 [ 9669.520329][ T10] worker_thread+0x587/0xd30 [ 9669.520329][ T10] kthread+0x28a/0x350 [ 9669.520329][ T10] ret_from_fork+0x31/0x70 [ 9669.520329][ T10] ret_from_fork_asm+0x1a/0x30 [ 9669.520329][ T10] [ 9669.522236][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9669.522236][ T10] netdev_get_by_index+0x5e/0x80 [ 9669.522236][ T10] fib6_nh_init+0x3d8/0x1580 [ 9669.522236][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9669.522236][ T10] ip6_route_add+0x1c/0x140 [ 9669.522236][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9669.522236][ T10] inet6_addr_add+0x4f8/0xa40 [ 9669.522236][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9669.522236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9669.522236][ T10] netlink_rcv_skb+0x130/0x360 [ 9669.522236][ T10] netlink_unicast+0x449/0x710 [ 9669.522236][ T10] netlink_sendmsg+0x723/0xbe0 [ 9669.522236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9669.522236][ T10] ___sys_sendmsg+0xee/0x170 [ 9669.522236][ T10] __sys_sendmsg+0xcd/0x170 [ 9669.522236][ T10] do_syscall_64+0xc6/0x1e0 [ 9669.522236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9669.522236][ T10] [ 9669.524342][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9669.524342][ T10] netdev_get_by_index+0x5e/0x80 [ 9669.524342][ T10] fib6_nh_init+0x3d8/0x1580 [ 9669.524342][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9669.524342][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9669.524342][ T10] ipv6_add_addr+0x411/0x2000 [ 9669.524342][ T10] inet6_addr_add+0x30e/0xa40 [ 9669.524342][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9669.524342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9669.524342][ T10] netlink_rcv_skb+0x130/0x360 [ 9669.524342][ T10] netlink_unicast+0x449/0x710 [ 9669.524342][ T10] netlink_sendmsg+0x723/0xbe0 [ 9669.524342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9669.524342][ T10] ___sys_sendmsg+0xee/0x170 [ 9669.524342][ T10] __sys_sendmsg+0xcd/0x170 [ 9669.524342][ T10] do_syscall_64+0xc6/0x1e0 [ 9669.524342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9669.524342][ T10] [ 9669.526484][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9669.526484][ T10] netdev_get_by_index+0x5e/0x80 [ 9669.526484][ T10] fib6_nh_init+0x3d8/0x1580 [ 9669.526484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9669.526484][ T10] ip6_route_add+0x1c/0x140 [ 9669.526484][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9669.526484][ T10] addrconf_add_dev+0xe2/0x170 [ 9669.526484][ T10] inet6_addr_add+0x12f/0xa40 [ 9669.526484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9669.526484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9669.526484][ T10] netlink_rcv_skb+0x130/0x360 [ 9669.526484][ T10] netlink_unicast+0x449/0x710 [ 9669.526484][ T10] netlink_sendmsg+0x723/0xbe0 [ 9669.526484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9669.526484][ T10] ___sys_sendmsg+0xee/0x170 [ 9669.526484][ T10] __sys_sendmsg+0xcd/0x170 [ 9669.526484][ T10] do_syscall_64+0xc6/0x1e0 [ 9669.526484][ T10] [ 9669.528519][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9669.528519][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9669.528519][ T10] ipv6_find_idev+0x102/0x170 [ 9669.528519][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9669.528519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9669.528519][ T10] netlink_rcv_skb+0x130/0x360 [ 9669.528519][ T10] netlink_unicast+0x449/0x710 [ 9669.528519][ T10] netlink_sendmsg+0x723/0xbe0 [ 9669.528519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9669.528519][ T10] ___sys_sendmsg+0xee/0x170 [ 9669.528519][ T10] __sys_sendmsg+0xcd/0x170 [ 9669.528519][ T10] do_syscall_64+0xc6/0x1e0 [ 9669.528519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9669.528519][ T10] [ 9669.530123][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9669.530123][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9669.530123][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9669.530123][ T10] ipv6_find_idev+0x102/0x170 [ 9669.530123][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9669.530123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9669.530123][ T10] netlink_rcv_skb+0x130/0x360 [ 9669.530123][ T10] netlink_unicast+0x449/0x710 [ 9669.530123][ T10] netlink_sendmsg+0x723/0xbe0 [ 9669.530123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9669.530123][ T10] ___sys_sendmsg+0xee/0x170 [ 9669.530123][ T10] __sys_sendmsg+0xcd/0x170 [ 9669.530123][ T10] do_syscall_64+0xc6/0x1e0 [ 9669.530123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9669.530123][ T10] [ 9669.531876][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9669.532547][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9669.532547][ T10] netdev_get_by_index+0x5e/0x80 [ 9669.532547][ T10] fib6_nh_init+0x3d8/0x1580 [ 9669.532547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9669.532547][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9669.532547][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9669.532547][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9669.532547][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9669.532547][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9669.532547][ T10] addrconf_dad_begin+0x310/0x670 [ 9669.532547][ T10] addrconf_dad_work+0x10b/0xab0 [ 9669.532547][ T10] process_one_work+0x84d/0x18a0 [ 9669.532547][ T10] worker_thread+0x587/0xd30 [ 9669.532547][ T10] kthread+0x28a/0x350 [ 9669.532547][ T10] ret_from_fork+0x31/0x70 [ 9669.532547][ T10] ret_from_fork_asm+0x1a/0x30 [ 9669.532547][ T10] [ 9669.534462][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9669.534462][ T10] netdev_get_by_index+0x5e/0x80 [ 9669.534462][ T10] fib6_nh_init+0x3d8/0x1580 [ 9669.534462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9669.534462][ T10] ip6_route_add+0x1c/0x140 [ 9669.534462][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9669.534462][ T10] inet6_addr_add+0x4f8/0xa40 [ 9669.534462][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9669.534462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9669.534462][ T10] netlink_rcv_skb+0x130/0x360 [ 9669.534462][ T10] netlink_unicast+0x449/0x710 [ 9669.534462][ T10] netlink_sendmsg+0x723/0xbe0 [ 9669.534462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9669.534462][ T10] ___sys_sendmsg+0xee/0x170 [ 9669.534462][ T10] __sys_sendmsg+0xcd/0x170 [ 9669.534462][ T10] do_syscall_64+0xc6/0x1e0 [ 9669.534462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9669.534462][ T10] [ 9669.536528][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9669.536528][ T10] netdev_get_by_index+0x5e/0x80 [ 9669.536528][ T10] fib6_nh_init+0x3d8/0x1580 [ 9669.536528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9669.536528][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9669.536528][ T10] ipv6_add_addr+0x411/0x2000 [ 9669.536528][ T10] inet6_addr_add+0x30e/0xa40 [ 9669.536528][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9669.536528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9669.536528][ T10] netlink_rcv_skb+0x130/0x360 [ 9669.536528][ T10] netlink_unicast+0x449/0x710 [ 9669.536528][ T10] netlink_sendmsg+0x723/0xbe0 [ 9669.536528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9669.536528][ T10] ___sys_sendmsg+0xee/0x170 [ 9669.536528][ T10] __sys_sendmsg+0xcd/0x170 [ 9669.536528][ T10] do_syscall_64+0xc6/0x1e0 [ 9669.536528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9669.536528][ T10] [ 9669.538608][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9669.538608][ T10] netdev_get_by_index+0x5e/0x80 [ 9669.538608][ T10] fib6_nh_init+0x3d8/0x1580 [ 9669.538608][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9669.538608][ T10] ip6_route_add+0x1c/0x140 [ 9669.538608][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9669.538608][ T10] addrconf_add_dev+0xe2/0x170 [ 9669.538608][ T10] inet6_addr_add+0x12f/0xa40 [ 9669.538608][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9669.538608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9669.538608][ T10] netlink_rcv_skb+0x130/0x360 [ 9669.538608][ T10] netlink_unicast+0x449/0x710 [ 9669.538608][ T10] netlink_sendmsg+0x723/0xbe0 [ 9669.538608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9669.538608][ T10] ___sys_sendmsg+0xee/0x170 [ 9669.538608][ T10] __sys_sendmsg+0xcd/0x170 [ 9669.538608][ T10] do_syscall_64+0xc6/0x1e0 [ 9669.538608][ T10] [ 9669.540640][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9669.540640][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9669.540640][ T10] ipv6_find_idev+0x102/0x170 [ 9669.540640][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9669.540640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9669.540640][ T10] netlink_rcv_skb+0x130/0x360 [ 9669.540640][ T10] netlink_unicast+0x449/0x710 [ 9669.540640][ T10] netlink_sendmsg+0x723/0xbe0 [ 9669.540640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9669.540640][ T10] ___sys_sendmsg+0xee/0x170 [ 9669.540640][ T10] __sys_sendmsg+0xcd/0x170 [ 9669.540640][ T10] do_syscall_64+0xc6/0x1e0 [ 9669.540640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9669.540640][ T10] [ 9669.542251][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9669.542251][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9669.542251][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9669.542251][ T10] ipv6_find_idev+0x102/0x170 [ 9669.542251][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9669.542251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9669.542251][ T10] netlink_rcv_skb+0x130/0x360 [ 9669.542251][ T10] netlink_unicast+0x449/0x710 [ 9669.542251][ T10] netlink_sendmsg+0x723/0xbe0 [ 9669.542251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9669.542251][ T10] ___sys_sendmsg+0xee/0x170 [ 9669.542251][ T10] __sys_sendmsg+0xcd/0x170 [ 9669.542251][ T10] do_syscall_64+0xc6/0x1e0 [ 9669.542251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9669.542251][ T10] [ 9672.601190][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9672.601673][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9672.601673][ T1167] dst_init+0x84/0x4a0 [ 9672.601673][ T1167] dst_alloc+0x97/0x150 [ 9672.601673][ T1167] ip6_dst_alloc+0x23/0x90 [ 9672.601673][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9672.601673][ T1167] ip6_pol_route+0x56f/0x840 [ 9672.601673][ T1167] fib6_rule_lookup+0x334/0x630 [ 9672.601673][ T1167] ip6_route_output_flags+0x259/0x480 [ 9672.601673][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9672.601673][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9672.601673][ T1167] netlink_rcv_skb+0x130/0x360 [ 9672.601673][ T1167] netlink_unicast+0x449/0x710 [ 9672.601673][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9672.601673][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9672.601673][ T1167] ___sys_sendmsg+0xee/0x170 [ 9672.601673][ T1167] __sys_sendmsg+0xcd/0x170 [ 9672.601673][ T1167] do_syscall_64+0xc6/0x1e0 [ 9672.601673][ T1167] [ 9672.603876][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9672.603876][ T1167] netdev_get_by_index+0x5e/0x80 [ 9672.603876][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9672.603876][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9672.603876][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9672.603876][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9672.603876][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9672.603876][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9672.603876][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9672.603876][ T1167] addrconf_dad_begin+0x310/0x670 [ 9672.603876][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9672.603876][ T1167] process_one_work+0x84d/0x18a0 [ 9672.603876][ T1167] worker_thread+0x587/0xd30 [ 9672.603876][ T1167] kthread+0x28a/0x350 [ 9672.603876][ T1167] ret_from_fork+0x31/0x70 [ 9672.603876][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9672.603876][ T1167] [ 9672.605997][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9672.605997][ T1167] netdev_get_by_index+0x5e/0x80 [ 9672.605997][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9672.605997][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9672.605997][ T1167] ip6_route_add+0x1c/0x140 [ 9672.605997][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9672.605997][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9672.605997][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9672.605997][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9672.605997][ T1167] netlink_rcv_skb+0x130/0x360 [ 9672.605997][ T1167] netlink_unicast+0x449/0x710 [ 9672.605997][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9672.605997][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9672.605997][ T1167] ___sys_sendmsg+0xee/0x170 [ 9672.605997][ T1167] __sys_sendmsg+0xcd/0x170 [ 9672.605997][ T1167] do_syscall_64+0xc6/0x1e0 [ 9672.605997][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9672.605997][ T1167] [ 9672.608259][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9672.608259][ T1167] netdev_get_by_index+0x5e/0x80 [ 9672.608259][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9672.608259][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9672.608259][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9672.608259][ T1167] ipv6_add_addr+0x411/0x2000 [ 9672.608259][ T1167] inet6_addr_add+0x30e/0xa40 [ 9672.608259][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9672.608259][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9672.608259][ T1167] netlink_rcv_skb+0x130/0x360 [ 9672.608259][ T1167] netlink_unicast+0x449/0x710 [ 9672.608259][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9672.608259][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9672.608259][ T1167] ___sys_sendmsg+0xee/0x170 [ 9672.608259][ T1167] __sys_sendmsg+0xcd/0x170 [ 9672.608259][ T1167] do_syscall_64+0xc6/0x1e0 [ 9672.608259][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9672.608259][ T1167] [ 9672.610502][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9672.610502][ T1167] netdev_get_by_index+0x5e/0x80 [ 9672.610502][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9672.610502][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9672.610502][ T1167] ip6_route_add+0x1c/0x140 [ 9672.610502][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9672.610502][ T1167] addrconf_add_dev+0xe2/0x170 [ 9672.610502][ T1167] inet6_addr_add+0x12f/0xa40 [ 9672.610502][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9672.610502][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9672.610502][ T1167] netlink_rcv_skb+0x130/0x360 [ 9672.610502][ T1167] netlink_unicast+0x449/0x710 [ 9672.610502][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9672.610502][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9672.610502][ T1167] ___sys_sendmsg+0xee/0x170 [ 9672.610502][ T1167] __sys_sendmsg+0xcd/0x170 [ 9672.610502][ T1167] do_syscall_64+0xc6/0x1e0 [ 9672.610502][ T1167] [ 9672.612692][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9672.612692][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9672.612692][ T1167] ipv6_find_idev+0x102/0x170 [ 9672.612692][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9672.612692][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9672.612692][ T1167] netlink_rcv_skb+0x130/0x360 [ 9672.612692][ T1167] netlink_unicast+0x449/0x710 [ 9672.612692][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9672.612692][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9672.612692][ T1167] ___sys_sendmsg+0xee/0x170 [ 9672.612692][ T1167] __sys_sendmsg+0xcd/0x170 [ 9672.612692][ T1167] do_syscall_64+0xc6/0x1e0 [ 9672.612692][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9672.612692][ T1167] [ 9672.614422][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9672.614422][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9672.614422][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9672.614422][ T1167] ipv6_find_idev+0x102/0x170 [ 9672.614422][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9672.614422][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9672.614422][ T1167] netlink_rcv_skb+0x130/0x360 [ 9672.614422][ T1167] netlink_unicast+0x449/0x710 [ 9672.614422][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9672.614422][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9672.614422][ T1167] ___sys_sendmsg+0xee/0x170 [ 9672.614422][ T1167] __sys_sendmsg+0xcd/0x170 [ 9672.614422][ T1167] do_syscall_64+0xc6/0x1e0 [ 9672.614422][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9672.614422][ T1167] [ 9679.545043][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9679.545443][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9679.545443][ T10] netdev_get_by_index+0x5e/0x80 [ 9679.545443][ T10] fib6_nh_init+0x3d8/0x1580 [ 9679.545443][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9679.545443][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9679.545443][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9679.545443][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9679.545443][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9679.545443][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9679.545443][ T10] addrconf_dad_begin+0x310/0x670 [ 9679.545443][ T10] addrconf_dad_work+0x10b/0xab0 [ 9679.545443][ T10] process_one_work+0x84d/0x18a0 [ 9679.545443][ T10] worker_thread+0x587/0xd30 [ 9679.545443][ T10] kthread+0x28a/0x350 [ 9679.545443][ T10] ret_from_fork+0x31/0x70 [ 9679.545443][ T10] ret_from_fork_asm+0x1a/0x30 [ 9679.545443][ T10] [ 9679.547585][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9679.547585][ T10] netdev_get_by_index+0x5e/0x80 [ 9679.547585][ T10] fib6_nh_init+0x3d8/0x1580 [ 9679.547585][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9679.547585][ T10] ip6_route_add+0x1c/0x140 [ 9679.547585][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9679.547585][ T10] inet6_addr_add+0x4f8/0xa40 [ 9679.547585][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9679.547585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9679.547585][ T10] netlink_rcv_skb+0x130/0x360 [ 9679.547585][ T10] netlink_unicast+0x449/0x710 [ 9679.547585][ T10] netlink_sendmsg+0x723/0xbe0 [ 9679.547585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9679.547585][ T10] ___sys_sendmsg+0xee/0x170 [ 9679.547585][ T10] __sys_sendmsg+0xcd/0x170 [ 9679.547585][ T10] do_syscall_64+0xc6/0x1e0 [ 9679.547585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9679.547585][ T10] [ 9679.549808][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9679.549808][ T10] netdev_get_by_index+0x5e/0x80 [ 9679.549808][ T10] fib6_nh_init+0x3d8/0x1580 [ 9679.549808][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9679.549808][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9679.549808][ T10] ipv6_add_addr+0x411/0x2000 [ 9679.549808][ T10] inet6_addr_add+0x30e/0xa40 [ 9679.549808][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9679.549808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9679.549808][ T10] netlink_rcv_skb+0x130/0x360 [ 9679.549808][ T10] netlink_unicast+0x449/0x710 [ 9679.549808][ T10] netlink_sendmsg+0x723/0xbe0 [ 9679.549808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9679.549808][ T10] ___sys_sendmsg+0xee/0x170 [ 9679.549808][ T10] __sys_sendmsg+0xcd/0x170 [ 9679.549808][ T10] do_syscall_64+0xc6/0x1e0 [ 9679.549808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9679.549808][ T10] [ 9679.552016][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9679.552016][ T10] netdev_get_by_index+0x5e/0x80 [ 9679.552016][ T10] fib6_nh_init+0x3d8/0x1580 [ 9679.552016][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9679.552016][ T10] ip6_route_add+0x1c/0x140 [ 9679.552016][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9679.552016][ T10] addrconf_add_dev+0xe2/0x170 [ 9679.552016][ T10] inet6_addr_add+0x12f/0xa40 [ 9679.552016][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9679.552016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9679.552016][ T10] netlink_rcv_skb+0x130/0x360 [ 9679.552016][ T10] netlink_unicast+0x449/0x710 [ 9679.552016][ T10] netlink_sendmsg+0x723/0xbe0 [ 9679.552016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9679.552016][ T10] ___sys_sendmsg+0xee/0x170 [ 9679.552016][ T10] __sys_sendmsg+0xcd/0x170 [ 9679.552016][ T10] do_syscall_64+0xc6/0x1e0 [ 9679.552016][ T10] [ 9679.554195][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9679.554195][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9679.554195][ T10] ipv6_find_idev+0x102/0x170 [ 9679.554195][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9679.554195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9679.554195][ T10] netlink_rcv_skb+0x130/0x360 [ 9679.554195][ T10] netlink_unicast+0x449/0x710 [ 9679.554195][ T10] netlink_sendmsg+0x723/0xbe0 [ 9679.554195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9679.554195][ T10] ___sys_sendmsg+0xee/0x170 [ 9679.554195][ T10] __sys_sendmsg+0xcd/0x170 [ 9679.554195][ T10] do_syscall_64+0xc6/0x1e0 [ 9679.554195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9679.554195][ T10] [ 9679.555905][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9679.555905][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9679.555905][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9679.555905][ T10] ipv6_find_idev+0x102/0x170 [ 9679.555905][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9679.555905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9679.555905][ T10] netlink_rcv_skb+0x130/0x360 [ 9679.555905][ T10] netlink_unicast+0x449/0x710 [ 9679.555905][ T10] netlink_sendmsg+0x723/0xbe0 [ 9679.555905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9679.555905][ T10] ___sys_sendmsg+0xee/0x170 [ 9679.555905][ T10] __sys_sendmsg+0xcd/0x170 [ 9679.555905][ T10] do_syscall_64+0xc6/0x1e0 [ 9679.555905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9679.555905][ T10] [ 9679.557778][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9679.558045][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9679.558045][ T10] netdev_get_by_index+0x5e/0x80 [ 9679.558045][ T10] fib6_nh_init+0x3d8/0x1580 [ 9679.558045][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9679.558045][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9679.558045][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9679.558045][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9679.558045][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9679.558045][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9679.558045][ T10] addrconf_dad_begin+0x310/0x670 [ 9679.558045][ T10] addrconf_dad_work+0x10b/0xab0 [ 9679.558045][ T10] process_one_work+0x84d/0x18a0 [ 9679.558045][ T10] worker_thread+0x587/0xd30 [ 9679.558045][ T10] kthread+0x28a/0x350 [ 9679.558045][ T10] ret_from_fork+0x31/0x70 [ 9679.558045][ T10] ret_from_fork_asm+0x1a/0x30 [ 9679.558045][ T10] [ 9679.560150][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9679.560150][ T10] netdev_get_by_index+0x5e/0x80 [ 9679.560150][ T10] fib6_nh_init+0x3d8/0x1580 [ 9679.560150][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9679.560150][ T10] ip6_route_add+0x1c/0x140 [ 9679.560150][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9679.560150][ T10] inet6_addr_add+0x4f8/0xa40 [ 9679.560150][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9679.560150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9679.560150][ T10] netlink_rcv_skb+0x130/0x360 [ 9679.560150][ T10] netlink_unicast+0x449/0x710 [ 9679.560150][ T10] netlink_sendmsg+0x723/0xbe0 [ 9679.560150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9679.560150][ T10] ___sys_sendmsg+0xee/0x170 [ 9679.560150][ T10] __sys_sendmsg+0xcd/0x170 [ 9679.560150][ T10] do_syscall_64+0xc6/0x1e0 [ 9679.560150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9679.560150][ T10] [ 9679.562356][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9679.562356][ T10] netdev_get_by_index+0x5e/0x80 [ 9679.562356][ T10] fib6_nh_init+0x3d8/0x1580 [ 9679.562356][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9679.562356][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9679.562356][ T10] ipv6_add_addr+0x411/0x2000 [ 9679.562356][ T10] inet6_addr_add+0x30e/0xa40 [ 9679.562356][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9679.562356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9679.562356][ T10] netlink_rcv_skb+0x130/0x360 [ 9679.562356][ T10] netlink_unicast+0x449/0x710 [ 9679.562356][ T10] netlink_sendmsg+0x723/0xbe0 [ 9679.562356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9679.562356][ T10] ___sys_sendmsg+0xee/0x170 [ 9679.562356][ T10] __sys_sendmsg+0xcd/0x170 [ 9679.562356][ T10] do_syscall_64+0xc6/0x1e0 [ 9679.562356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9679.562356][ T10] [ 9679.564566][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9679.564566][ T10] netdev_get_by_index+0x5e/0x80 [ 9679.564566][ T10] fib6_nh_init+0x3d8/0x1580 [ 9679.564566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9679.564566][ T10] ip6_route_add+0x1c/0x140 [ 9679.564566][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9679.564566][ T10] addrconf_add_dev+0xe2/0x170 [ 9679.564566][ T10] inet6_addr_add+0x12f/0xa40 [ 9679.564566][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9679.564566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9679.564566][ T10] netlink_rcv_skb+0x130/0x360 [ 9679.564566][ T10] netlink_unicast+0x449/0x710 [ 9679.564566][ T10] netlink_sendmsg+0x723/0xbe0 [ 9679.564566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9679.564566][ T10] ___sys_sendmsg+0xee/0x170 [ 9679.564566][ T10] __sys_sendmsg+0xcd/0x170 [ 9679.564566][ T10] do_syscall_64+0xc6/0x1e0 [ 9679.564566][ T10] [ 9679.566737][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9679.566737][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9679.566737][ T10] ipv6_find_idev+0x102/0x170 [ 9679.566737][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9679.566737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9679.566737][ T10] netlink_rcv_skb+0x130/0x360 [ 9679.566737][ T10] netlink_unicast+0x449/0x710 [ 9679.566737][ T10] netlink_sendmsg+0x723/0xbe0 [ 9679.566737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9679.566737][ T10] ___sys_sendmsg+0xee/0x170 [ 9679.566737][ T10] __sys_sendmsg+0xcd/0x170 [ 9679.566737][ T10] do_syscall_64+0xc6/0x1e0 [ 9679.566737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9679.566737][ T10] [ 9679.568435][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9679.568435][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9679.568435][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9679.568435][ T10] ipv6_find_idev+0x102/0x170 [ 9679.568435][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9679.568435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9679.568435][ T10] netlink_rcv_skb+0x130/0x360 [ 9679.568435][ T10] netlink_unicast+0x449/0x710 [ 9679.568435][ T10] netlink_sendmsg+0x723/0xbe0 [ 9679.568435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9679.568435][ T10] ___sys_sendmsg+0xee/0x170 [ 9679.568435][ T10] __sys_sendmsg+0xcd/0x170 [ 9679.568435][ T10] do_syscall_64+0xc6/0x1e0 [ 9679.568435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9679.568435][ T10] [ 9679.570301][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9679.570563][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9679.570563][ T10] netdev_get_by_index+0x5e/0x80 [ 9679.570563][ T10] fib6_nh_init+0x3d8/0x1580 [ 9679.570563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9679.570563][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9679.570563][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9679.570563][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9679.570563][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9679.570563][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9679.570563][ T10] addrconf_dad_begin+0x310/0x670 [ 9679.570563][ T10] addrconf_dad_work+0x10b/0xab0 [ 9679.570563][ T10] process_one_work+0x84d/0x18a0 [ 9679.570563][ T10] worker_thread+0x587/0xd30 [ 9679.570563][ T10] kthread+0x28a/0x350 [ 9679.570563][ T10] ret_from_fork+0x31/0x70 [ 9679.570563][ T10] ret_from_fork_asm+0x1a/0x30 [ 9679.570563][ T10] [ 9679.572668][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9679.572668][ T10] netdev_get_by_index+0x5e/0x80 [ 9679.572668][ T10] fib6_nh_init+0x3d8/0x1580 [ 9679.572668][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9679.572668][ T10] ip6_route_add+0x1c/0x140 [ 9679.572668][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9679.572668][ T10] inet6_addr_add+0x4f8/0xa40 [ 9679.572668][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9679.572668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9679.572668][ T10] netlink_rcv_skb+0x130/0x360 [ 9679.572668][ T10] netlink_unicast+0x449/0x710 [ 9679.572668][ T10] netlink_sendmsg+0x723/0xbe0 [ 9679.572668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9679.572668][ T10] ___sys_sendmsg+0xee/0x170 [ 9679.572668][ T10] __sys_sendmsg+0xcd/0x170 [ 9679.572668][ T10] do_syscall_64+0xc6/0x1e0 [ 9679.572668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9679.572668][ T10] [ 9679.574949][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9679.574949][ T10] netdev_get_by_index+0x5e/0x80 [ 9679.574949][ T10] fib6_nh_init+0x3d8/0x1580 [ 9679.574949][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9679.574949][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9679.574949][ T10] ipv6_add_addr+0x411/0x2000 [ 9679.574949][ T10] inet6_addr_add+0x30e/0xa40 [ 9679.574949][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9679.574949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9679.574949][ T10] netlink_rcv_skb+0x130/0x360 [ 9679.574949][ T10] netlink_unicast+0x449/0x710 [ 9679.574949][ T10] netlink_sendmsg+0x723/0xbe0 [ 9679.574949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9679.574949][ T10] ___sys_sendmsg+0xee/0x170 [ 9679.574949][ T10] __sys_sendmsg+0xcd/0x170 [ 9679.574949][ T10] do_syscall_64+0xc6/0x1e0 [ 9679.574949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9679.574949][ T10] [ 9679.577283][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9679.577283][ T10] netdev_get_by_index+0x5e/0x80 [ 9679.577283][ T10] fib6_nh_init+0x3d8/0x1580 [ 9679.577283][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9679.577283][ T10] ip6_route_add+0x1c/0x140 [ 9679.577283][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9679.577283][ T10] addrconf_add_dev+0xe2/0x170 [ 9679.577283][ T10] inet6_addr_add+0x12f/0xa40 [ 9679.577283][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9679.577283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9679.577283][ T10] netlink_rcv_skb+0x130/0x360 [ 9679.577283][ T10] netlink_unicast+0x449/0x710 [ 9679.577283][ T10] netlink_sendmsg+0x723/0xbe0 [ 9679.577283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9679.577283][ T10] ___sys_sendmsg+0xee/0x170 [ 9679.577283][ T10] __sys_sendmsg+0xcd/0x170 [ 9679.577283][ T10] do_syscall_64+0xc6/0x1e0 [ 9679.577283][ T10] [ 9679.579517][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9679.579517][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9679.579517][ T10] ipv6_find_idev+0x102/0x170 [ 9679.579517][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9679.579517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9679.579517][ T10] netlink_rcv_skb+0x130/0x360 [ 9679.579517][ T10] netlink_unicast+0x449/0x710 [ 9679.579517][ T10] netlink_sendmsg+0x723/0xbe0 [ 9679.579517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9679.579517][ T10] ___sys_sendmsg+0xee/0x170 [ 9679.579517][ T10] __sys_sendmsg+0xcd/0x170 [ 9679.579517][ T10] do_syscall_64+0xc6/0x1e0 [ 9679.579517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9679.579517][ T10] [ 9679.581279][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9679.581279][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9679.581279][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9679.581279][ T10] ipv6_find_idev+0x102/0x170 [ 9679.581279][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9679.581279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9679.581279][ T10] netlink_rcv_skb+0x130/0x360 [ 9679.581279][ T10] netlink_unicast+0x449/0x710 [ 9679.581279][ T10] netlink_sendmsg+0x723/0xbe0 [ 9679.581279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9679.581279][ T10] ___sys_sendmsg+0xee/0x170 [ 9679.581279][ T10] __sys_sendmsg+0xcd/0x170 [ 9679.581279][ T10] do_syscall_64+0xc6/0x1e0 [ 9679.581279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9679.581279][ T10] [ 9679.583207][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9679.583465][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9679.583465][ T10] netdev_get_by_index+0x5e/0x80 [ 9679.583465][ T10] fib6_nh_init+0x3d8/0x1580 [ 9679.583465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9679.583465][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9679.583465][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9679.583465][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9679.583465][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9679.583465][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9679.583465][ T10] addrconf_dad_begin+0x310/0x670 [ 9679.583465][ T10] addrconf_dad_work+0x10b/0xab0 [ 9679.583465][ T10] process_one_work+0x84d/0x18a0 [ 9679.583465][ T10] worker_thread+0x587/0xd30 [ 9679.583465][ T10] kthread+0x28a/0x350 [ 9679.583465][ T10] ret_from_fork+0x31/0x70 [ 9679.583465][ T10] ret_from_fork_asm+0x1a/0x30 [ 9679.583465][ T10] [ 9679.585709][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9679.585709][ T10] netdev_get_by_index+0x5e/0x80 [ 9679.585709][ T10] fib6_nh_init+0x3d8/0x1580 [ 9679.585709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9679.585709][ T10] ip6_route_add+0x1c/0x140 [ 9679.585709][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9679.585709][ T10] inet6_addr_add+0x4f8/0xa40 [ 9679.585709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9679.585709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9679.585709][ T10] netlink_rcv_skb+0x130/0x360 [ 9679.585709][ T10] netlink_unicast+0x449/0x710 [ 9679.585709][ T10] netlink_sendmsg+0x723/0xbe0 [ 9679.585709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9679.585709][ T10] ___sys_sendmsg+0xee/0x170 [ 9679.585709][ T10] __sys_sendmsg+0xcd/0x170 [ 9679.585709][ T10] do_syscall_64+0xc6/0x1e0 [ 9679.585709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9679.585709][ T10] [ 9679.587971][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9679.587971][ T10] netdev_get_by_index+0x5e/0x80 [ 9679.587971][ T10] fib6_nh_init+0x3d8/0x1580 [ 9679.587971][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9679.587971][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9679.587971][ T10] ipv6_add_addr+0x411/0x2000 [ 9679.587971][ T10] inet6_addr_add+0x30e/0xa40 [ 9679.587971][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9679.587971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9679.587971][ T10] netlink_rcv_skb+0x130/0x360 [ 9679.587971][ T10] netlink_unicast+0x449/0x710 [ 9679.587971][ T10] netlink_sendmsg+0x723/0xbe0 [ 9679.587971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9679.587971][ T10] ___sys_sendmsg+0xee/0x170 [ 9679.587971][ T10] __sys_sendmsg+0xcd/0x170 [ 9679.587971][ T10] do_syscall_64+0xc6/0x1e0 [ 9679.587971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9679.587971][ T10] [ 9679.590237][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9679.590237][ T10] netdev_get_by_index+0x5e/0x80 [ 9679.590237][ T10] fib6_nh_init+0x3d8/0x1580 [ 9679.590237][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9679.590237][ T10] ip6_route_add+0x1c/0x140 [ 9679.590237][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9679.590237][ T10] addrconf_add_dev+0xe2/0x170 [ 9679.590237][ T10] inet6_addr_add+0x12f/0xa40 [ 9679.590237][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9679.590237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9679.590237][ T10] netlink_rcv_skb+0x130/0x360 [ 9679.590237][ T10] netlink_unicast+0x449/0x710 [ 9679.590237][ T10] netlink_sendmsg+0x723/0xbe0 [ 9679.590237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9679.590237][ T10] ___sys_sendmsg+0xee/0x170 [ 9679.590237][ T10] __sys_sendmsg+0xcd/0x170 [ 9679.590237][ T10] do_syscall_64+0xc6/0x1e0 [ 9679.590237][ T10] [ 9679.592463][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9679.592463][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9679.592463][ T10] ipv6_find_idev+0x102/0x170 [ 9679.592463][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9679.592463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9679.592463][ T10] netlink_rcv_skb+0x130/0x360 [ 9679.592463][ T10] netlink_unicast+0x449/0x710 [ 9679.592463][ T10] netlink_sendmsg+0x723/0xbe0 [ 9679.592463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9679.592463][ T10] ___sys_sendmsg+0xee/0x170 [ 9679.592463][ T10] __sys_sendmsg+0xcd/0x170 [ 9679.592463][ T10] do_syscall_64+0xc6/0x1e0 [ 9679.592463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9679.592463][ T10] [ 9679.594235][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9679.594235][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9679.594235][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9679.594235][ T10] ipv6_find_idev+0x102/0x170 [ 9679.594235][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9679.594235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9679.594235][ T10] netlink_rcv_skb+0x130/0x360 [ 9679.594235][ T10] netlink_unicast+0x449/0x710 [ 9679.594235][ T10] netlink_sendmsg+0x723/0xbe0 [ 9679.594235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9679.594235][ T10] ___sys_sendmsg+0xee/0x170 [ 9679.594235][ T10] __sys_sendmsg+0xcd/0x170 [ 9679.594235][ T10] do_syscall_64+0xc6/0x1e0 [ 9679.594235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9679.594235][ T10] [ 9682.865112][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9682.865579][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9682.865579][ T1167] dst_init+0x84/0x4a0 [ 9682.865579][ T1167] dst_alloc+0x97/0x150 [ 9682.865579][ T1167] ip6_dst_alloc+0x23/0x90 [ 9682.865579][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9682.865579][ T1167] ip6_pol_route+0x56f/0x840 [ 9682.865579][ T1167] fib6_rule_lookup+0x334/0x630 [ 9682.865579][ T1167] ip6_route_output_flags+0x259/0x480 [ 9682.865579][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9682.865579][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9682.865579][ T1167] netlink_rcv_skb+0x130/0x360 [ 9682.865579][ T1167] netlink_unicast+0x449/0x710 [ 9682.865579][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9682.865579][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9682.865579][ T1167] ___sys_sendmsg+0xee/0x170 [ 9682.865579][ T1167] __sys_sendmsg+0xcd/0x170 [ 9682.865579][ T1167] do_syscall_64+0xc6/0x1e0 [ 9682.865579][ T1167] [ 9682.868003][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9682.868003][ T1167] netdev_get_by_index+0x5e/0x80 [ 9682.868003][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9682.868003][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9682.868003][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9682.868003][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9682.868003][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9682.868003][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9682.868003][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9682.868003][ T1167] addrconf_dad_begin+0x310/0x670 [ 9682.868003][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9682.868003][ T1167] process_one_work+0x84d/0x18a0 [ 9682.868003][ T1167] worker_thread+0x587/0xd30 [ 9682.868003][ T1167] kthread+0x28a/0x350 [ 9682.868003][ T1167] ret_from_fork+0x31/0x70 [ 9682.868003][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9682.868003][ T1167] [ 9682.870355][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9682.870355][ T1167] netdev_get_by_index+0x5e/0x80 [ 9682.870355][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9682.870355][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9682.870355][ T1167] ip6_route_add+0x1c/0x140 [ 9682.870355][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9682.870355][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9682.870355][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9682.870355][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9682.870355][ T1167] netlink_rcv_skb+0x130/0x360 [ 9682.870355][ T1167] netlink_unicast+0x449/0x710 [ 9682.870355][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9682.870355][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9682.870355][ T1167] ___sys_sendmsg+0xee/0x170 [ 9682.870355][ T1167] __sys_sendmsg+0xcd/0x170 [ 9682.870355][ T1167] do_syscall_64+0xc6/0x1e0 [ 9682.870355][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9682.870355][ T1167] [ 9682.872849][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9682.872849][ T1167] netdev_get_by_index+0x5e/0x80 [ 9682.872849][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9682.872849][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9682.872849][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9682.872849][ T1167] ipv6_add_addr+0x411/0x2000 [ 9682.872849][ T1167] inet6_addr_add+0x30e/0xa40 [ 9682.872849][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9682.872849][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9682.872849][ T1167] netlink_rcv_skb+0x130/0x360 [ 9682.872849][ T1167] netlink_unicast+0x449/0x710 [ 9682.872849][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9682.872849][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9682.872849][ T1167] ___sys_sendmsg+0xee/0x170 [ 9682.872849][ T1167] __sys_sendmsg+0xcd/0x170 [ 9682.872849][ T1167] do_syscall_64+0xc6/0x1e0 [ 9682.872849][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9682.872849][ T1167] [ 9682.875301][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9682.875301][ T1167] netdev_get_by_index+0x5e/0x80 [ 9682.875301][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9682.875301][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9682.875301][ T1167] ip6_route_add+0x1c/0x140 [ 9682.875301][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9682.875301][ T1167] addrconf_add_dev+0xe2/0x170 [ 9682.875301][ T1167] inet6_addr_add+0x12f/0xa40 [ 9682.875301][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9682.875301][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9682.875301][ T1167] netlink_rcv_skb+0x130/0x360 [ 9682.875301][ T1167] netlink_unicast+0x449/0x710 [ 9682.875301][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9682.875301][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9682.875301][ T1167] ___sys_sendmsg+0xee/0x170 [ 9682.875301][ T1167] __sys_sendmsg+0xcd/0x170 [ 9682.875301][ T1167] do_syscall_64+0xc6/0x1e0 [ 9682.875301][ T1167] [ 9682.877746][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9682.877746][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9682.877746][ T1167] ipv6_find_idev+0x102/0x170 [ 9682.877746][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9682.877746][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9682.877746][ T1167] netlink_rcv_skb+0x130/0x360 [ 9682.877746][ T1167] netlink_unicast+0x449/0x710 [ 9682.877746][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9682.877746][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9682.877746][ T1167] ___sys_sendmsg+0xee/0x170 [ 9682.877746][ T1167] __sys_sendmsg+0xcd/0x170 [ 9682.877746][ T1167] do_syscall_64+0xc6/0x1e0 [ 9682.877746][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9682.877746][ T1167] [ 9682.879636][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9682.879636][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9682.879636][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9682.879636][ T1167] ipv6_find_idev+0x102/0x170 [ 9682.879636][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9682.879636][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9682.879636][ T1167] netlink_rcv_skb+0x130/0x360 [ 9682.879636][ T1167] netlink_unicast+0x449/0x710 [ 9682.879636][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9682.879636][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9682.879636][ T1167] ___sys_sendmsg+0xee/0x170 [ 9682.879636][ T1167] __sys_sendmsg+0xcd/0x170 [ 9682.879636][ T1167] do_syscall_64+0xc6/0x1e0 [ 9682.879636][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9682.879636][ T1167] [ 9689.833097][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9689.833469][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9689.833469][ T10] netdev_get_by_index+0x5e/0x80 [ 9689.833469][ T10] fib6_nh_init+0x3d8/0x1580 [ 9689.833469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9689.833469][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9689.833469][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9689.833469][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9689.833469][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9689.833469][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9689.833469][ T10] addrconf_dad_begin+0x310/0x670 [ 9689.833469][ T10] addrconf_dad_work+0x10b/0xab0 [ 9689.833469][ T10] process_one_work+0x84d/0x18a0 [ 9689.833469][ T10] worker_thread+0x587/0xd30 [ 9689.833469][ T10] kthread+0x28a/0x350 [ 9689.833469][ T10] ret_from_fork+0x31/0x70 [ 9689.833469][ T10] ret_from_fork_asm+0x1a/0x30 [ 9689.833469][ T10] [ 9689.835406][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9689.835406][ T10] netdev_get_by_index+0x5e/0x80 [ 9689.835406][ T10] fib6_nh_init+0x3d8/0x1580 [ 9689.835406][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9689.835406][ T10] ip6_route_add+0x1c/0x140 [ 9689.835406][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9689.835406][ T10] inet6_addr_add+0x4f8/0xa40 [ 9689.835406][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9689.835406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9689.835406][ T10] netlink_rcv_skb+0x130/0x360 [ 9689.835406][ T10] netlink_unicast+0x449/0x710 [ 9689.835406][ T10] netlink_sendmsg+0x723/0xbe0 [ 9689.835406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9689.835406][ T10] ___sys_sendmsg+0xee/0x170 [ 9689.835406][ T10] __sys_sendmsg+0xcd/0x170 [ 9689.835406][ T10] do_syscall_64+0xc6/0x1e0 [ 9689.835406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9689.835406][ T10] [ 9689.837408][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9689.837408][ T10] netdev_get_by_index+0x5e/0x80 [ 9689.837408][ T10] fib6_nh_init+0x3d8/0x1580 [ 9689.837408][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9689.837408][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9689.837408][ T10] ipv6_add_addr+0x411/0x2000 [ 9689.837408][ T10] inet6_addr_add+0x30e/0xa40 [ 9689.837408][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9689.837408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9689.837408][ T10] netlink_rcv_skb+0x130/0x360 [ 9689.837408][ T10] netlink_unicast+0x449/0x710 [ 9689.837408][ T10] netlink_sendmsg+0x723/0xbe0 [ 9689.837408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9689.837408][ T10] ___sys_sendmsg+0xee/0x170 [ 9689.837408][ T10] __sys_sendmsg+0xcd/0x170 [ 9689.837408][ T10] do_syscall_64+0xc6/0x1e0 [ 9689.837408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9689.837408][ T10] [ 9689.839424][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9689.839424][ T10] netdev_get_by_index+0x5e/0x80 [ 9689.839424][ T10] fib6_nh_init+0x3d8/0x1580 [ 9689.839424][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9689.839424][ T10] ip6_route_add+0x1c/0x140 [ 9689.839424][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9689.839424][ T10] addrconf_add_dev+0xe2/0x170 [ 9689.839424][ T10] inet6_addr_add+0x12f/0xa40 [ 9689.839424][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9689.839424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9689.839424][ T10] netlink_rcv_skb+0x130/0x360 [ 9689.839424][ T10] netlink_unicast+0x449/0x710 [ 9689.839424][ T10] netlink_sendmsg+0x723/0xbe0 [ 9689.839424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9689.839424][ T10] ___sys_sendmsg+0xee/0x170 [ 9689.839424][ T10] __sys_sendmsg+0xcd/0x170 [ 9689.839424][ T10] do_syscall_64+0xc6/0x1e0 [ 9689.839424][ T10] [ 9689.841391][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9689.841391][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9689.841391][ T10] ipv6_find_idev+0x102/0x170 [ 9689.841391][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9689.841391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9689.841391][ T10] netlink_rcv_skb+0x130/0x360 [ 9689.841391][ T10] netlink_unicast+0x449/0x710 [ 9689.841391][ T10] netlink_sendmsg+0x723/0xbe0 [ 9689.841391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9689.841391][ T10] ___sys_sendmsg+0xee/0x170 [ 9689.841391][ T10] __sys_sendmsg+0xcd/0x170 [ 9689.841391][ T10] do_syscall_64+0xc6/0x1e0 [ 9689.841391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9689.841391][ T10] [ 9689.842932][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9689.842932][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9689.842932][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9689.842932][ T10] ipv6_find_idev+0x102/0x170 [ 9689.842932][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9689.842932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9689.842932][ T10] netlink_rcv_skb+0x130/0x360 [ 9689.842932][ T10] netlink_unicast+0x449/0x710 [ 9689.842932][ T10] netlink_sendmsg+0x723/0xbe0 [ 9689.842932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9689.842932][ T10] ___sys_sendmsg+0xee/0x170 [ 9689.842932][ T10] __sys_sendmsg+0xcd/0x170 [ 9689.842932][ T10] do_syscall_64+0xc6/0x1e0 [ 9689.842932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9689.842932][ T10] [ 9689.844636][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9689.844882][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9689.844882][ T10] netdev_get_by_index+0x5e/0x80 [ 9689.844882][ T10] fib6_nh_init+0x3d8/0x1580 [ 9689.844882][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9689.844882][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9689.844882][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9689.844882][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9689.844882][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9689.844882][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9689.844882][ T10] addrconf_dad_begin+0x310/0x670 [ 9689.844882][ T10] addrconf_dad_work+0x10b/0xab0 [ 9689.844882][ T10] process_one_work+0x84d/0x18a0 [ 9689.844882][ T10] worker_thread+0x587/0xd30 [ 9689.844882][ T10] kthread+0x28a/0x350 [ 9689.844882][ T10] ret_from_fork+0x31/0x70 [ 9689.844882][ T10] ret_from_fork_asm+0x1a/0x30 [ 9689.844882][ T10] [ 9689.846796][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9689.846796][ T10] netdev_get_by_index+0x5e/0x80 [ 9689.846796][ T10] fib6_nh_init+0x3d8/0x1580 [ 9689.846796][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9689.846796][ T10] ip6_route_add+0x1c/0x140 [ 9689.846796][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9689.846796][ T10] inet6_addr_add+0x4f8/0xa40 [ 9689.846796][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9689.846796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9689.846796][ T10] netlink_rcv_skb+0x130/0x360 [ 9689.846796][ T10] netlink_unicast+0x449/0x710 [ 9689.846796][ T10] netlink_sendmsg+0x723/0xbe0 [ 9689.846796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9689.846796][ T10] ___sys_sendmsg+0xee/0x170 [ 9689.846796][ T10] __sys_sendmsg+0xcd/0x170 [ 9689.846796][ T10] do_syscall_64+0xc6/0x1e0 [ 9689.846796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9689.846796][ T10] [ 9689.848787][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9689.848787][ T10] netdev_get_by_index+0x5e/0x80 [ 9689.848787][ T10] fib6_nh_init+0x3d8/0x1580 [ 9689.848787][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9689.848787][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9689.848787][ T10] ipv6_add_addr+0x411/0x2000 [ 9689.848787][ T10] inet6_addr_add+0x30e/0xa40 [ 9689.848787][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9689.848787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9689.848787][ T10] netlink_rcv_skb+0x130/0x360 [ 9689.848787][ T10] netlink_unicast+0x449/0x710 [ 9689.848787][ T10] netlink_sendmsg+0x723/0xbe0 [ 9689.848787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9689.848787][ T10] ___sys_sendmsg+0xee/0x170 [ 9689.848787][ T10] __sys_sendmsg+0xcd/0x170 [ 9689.848787][ T10] do_syscall_64+0xc6/0x1e0 [ 9689.848787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9689.848787][ T10] [ 9689.850786][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9689.850786][ T10] netdev_get_by_index+0x5e/0x80 [ 9689.850786][ T10] fib6_nh_init+0x3d8/0x1580 [ 9689.850786][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9689.850786][ T10] ip6_route_add+0x1c/0x140 [ 9689.850786][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9689.850786][ T10] addrconf_add_dev+0xe2/0x170 [ 9689.850786][ T10] inet6_addr_add+0x12f/0xa40 [ 9689.850786][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9689.850786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9689.850786][ T10] netlink_rcv_skb+0x130/0x360 [ 9689.850786][ T10] netlink_unicast+0x449/0x710 [ 9689.850786][ T10] netlink_sendmsg+0x723/0xbe0 [ 9689.850786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9689.850786][ T10] ___sys_sendmsg+0xee/0x170 [ 9689.850786][ T10] __sys_sendmsg+0xcd/0x170 [ 9689.850786][ T10] do_syscall_64+0xc6/0x1e0 [ 9689.850786][ T10] [ 9689.852764][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9689.852764][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9689.852764][ T10] ipv6_find_idev+0x102/0x170 [ 9689.852764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9689.852764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9689.852764][ T10] netlink_rcv_skb+0x130/0x360 [ 9689.852764][ T10] netlink_unicast+0x449/0x710 [ 9689.852764][ T10] netlink_sendmsg+0x723/0xbe0 [ 9689.852764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9689.852764][ T10] ___sys_sendmsg+0xee/0x170 [ 9689.852764][ T10] __sys_sendmsg+0xcd/0x170 [ 9689.852764][ T10] do_syscall_64+0xc6/0x1e0 [ 9689.852764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9689.852764][ T10] [ 9689.854306][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9689.854306][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9689.854306][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9689.854306][ T10] ipv6_find_idev+0x102/0x170 [ 9689.854306][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9689.854306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9689.854306][ T10] netlink_rcv_skb+0x130/0x360 [ 9689.854306][ T10] netlink_unicast+0x449/0x710 [ 9689.854306][ T10] netlink_sendmsg+0x723/0xbe0 [ 9689.854306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9689.854306][ T10] ___sys_sendmsg+0xee/0x170 [ 9689.854306][ T10] __sys_sendmsg+0xcd/0x170 [ 9689.854306][ T10] do_syscall_64+0xc6/0x1e0 [ 9689.854306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9689.854306][ T10] [ 9689.856007][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9689.856244][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9689.856244][ T10] netdev_get_by_index+0x5e/0x80 [ 9689.856244][ T10] fib6_nh_init+0x3d8/0x1580 [ 9689.856244][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9689.856244][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9689.856244][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9689.856244][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9689.856244][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9689.856244][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9689.856244][ T10] addrconf_dad_begin+0x310/0x670 [ 9689.856244][ T10] addrconf_dad_work+0x10b/0xab0 [ 9689.856244][ T10] process_one_work+0x84d/0x18a0 [ 9689.856244][ T10] worker_thread+0x587/0xd30 [ 9689.856244][ T10] kthread+0x28a/0x350 [ 9689.856244][ T10] ret_from_fork+0x31/0x70 [ 9689.856244][ T10] ret_from_fork_asm+0x1a/0x30 [ 9689.856244][ T10] [ 9689.858156][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9689.858156][ T10] netdev_get_by_index+0x5e/0x80 [ 9689.858156][ T10] fib6_nh_init+0x3d8/0x1580 [ 9689.858156][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9689.858156][ T10] ip6_route_add+0x1c/0x140 [ 9689.858156][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9689.858156][ T10] inet6_addr_add+0x4f8/0xa40 [ 9689.858156][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9689.858156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9689.858156][ T10] netlink_rcv_skb+0x130/0x360 [ 9689.858156][ T10] netlink_unicast+0x449/0x710 [ 9689.858156][ T10] netlink_sendmsg+0x723/0xbe0 [ 9689.858156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9689.858156][ T10] ___sys_sendmsg+0xee/0x170 [ 9689.858156][ T10] __sys_sendmsg+0xcd/0x170 [ 9689.858156][ T10] do_syscall_64+0xc6/0x1e0 [ 9689.858156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9689.858156][ T10] [ 9689.860336][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9689.860336][ T10] netdev_get_by_index+0x5e/0x80 [ 9689.860336][ T10] fib6_nh_init+0x3d8/0x1580 [ 9689.860336][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9689.860336][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9689.860336][ T10] ipv6_add_addr+0x411/0x2000 [ 9689.860336][ T10] inet6_addr_add+0x30e/0xa40 [ 9689.860336][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9689.860336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9689.860336][ T10] netlink_rcv_skb+0x130/0x360 [ 9689.860336][ T10] netlink_unicast+0x449/0x710 [ 9689.860336][ T10] netlink_sendmsg+0x723/0xbe0 [ 9689.860336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9689.860336][ T10] ___sys_sendmsg+0xee/0x170 [ 9689.860336][ T10] __sys_sendmsg+0xcd/0x170 [ 9689.860336][ T10] do_syscall_64+0xc6/0x1e0 [ 9689.860336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9689.860336][ T10] [ 9689.862631][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9689.862631][ T10] netdev_get_by_index+0x5e/0x80 [ 9689.862631][ T10] fib6_nh_init+0x3d8/0x1580 [ 9689.862631][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9689.862631][ T10] ip6_route_add+0x1c/0x140 [ 9689.862631][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9689.862631][ T10] addrconf_add_dev+0xe2/0x170 [ 9689.862631][ T10] inet6_addr_add+0x12f/0xa40 [ 9689.862631][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9689.862631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9689.862631][ T10] netlink_rcv_skb+0x130/0x360 [ 9689.862631][ T10] netlink_unicast+0x449/0x710 [ 9689.862631][ T10] netlink_sendmsg+0x723/0xbe0 [ 9689.862631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9689.862631][ T10] ___sys_sendmsg+0xee/0x170 [ 9689.862631][ T10] __sys_sendmsg+0xcd/0x170 [ 9689.862631][ T10] do_syscall_64+0xc6/0x1e0 [ 9689.862631][ T10] [ 9689.864810][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9689.864810][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9689.864810][ T10] ipv6_find_idev+0x102/0x170 [ 9689.864810][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9689.864810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9689.864810][ T10] netlink_rcv_skb+0x130/0x360 [ 9689.864810][ T10] netlink_unicast+0x449/0x710 [ 9689.864810][ T10] netlink_sendmsg+0x723/0xbe0 [ 9689.864810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9689.864810][ T10] ___sys_sendmsg+0xee/0x170 [ 9689.864810][ T10] __sys_sendmsg+0xcd/0x170 [ 9689.864810][ T10] do_syscall_64+0xc6/0x1e0 [ 9689.864810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9689.864810][ T10] [ 9689.866540][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9689.866540][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9689.866540][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9689.866540][ T10] ipv6_find_idev+0x102/0x170 [ 9689.866540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9689.866540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9689.866540][ T10] netlink_rcv_skb+0x130/0x360 [ 9689.866540][ T10] netlink_unicast+0x449/0x710 [ 9689.866540][ T10] netlink_sendmsg+0x723/0xbe0 [ 9689.866540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9689.866540][ T10] ___sys_sendmsg+0xee/0x170 [ 9689.866540][ T10] __sys_sendmsg+0xcd/0x170 [ 9689.866540][ T10] do_syscall_64+0xc6/0x1e0 [ 9689.866540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9689.866540][ T10] [ 9689.868461][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9689.868700][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9689.868700][ T10] netdev_get_by_index+0x5e/0x80 [ 9689.868700][ T10] fib6_nh_init+0x3d8/0x1580 [ 9689.868700][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9689.868700][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9689.868700][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9689.868700][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9689.868700][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9689.868700][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9689.868700][ T10] addrconf_dad_begin+0x310/0x670 [ 9689.868700][ T10] addrconf_dad_work+0x10b/0xab0 [ 9689.868700][ T10] process_one_work+0x84d/0x18a0 [ 9689.868700][ T10] worker_thread+0x587/0xd30 [ 9689.868700][ T10] kthread+0x28a/0x350 [ 9689.868700][ T10] ret_from_fork+0x31/0x70 [ 9689.868700][ T10] ret_from_fork_asm+0x1a/0x30 [ 9689.868700][ T10] [ 9689.870929][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9689.870929][ T10] netdev_get_by_index+0x5e/0x80 [ 9689.870929][ T10] fib6_nh_init+0x3d8/0x1580 [ 9689.870929][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9689.870929][ T10] ip6_route_add+0x1c/0x140 [ 9689.870929][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9689.870929][ T10] inet6_addr_add+0x4f8/0xa40 [ 9689.870929][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9689.870929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9689.870929][ T10] netlink_rcv_skb+0x130/0x360 [ 9689.870929][ T10] netlink_unicast+0x449/0x710 [ 9689.870929][ T10] netlink_sendmsg+0x723/0xbe0 [ 9689.870929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9689.870929][ T10] ___sys_sendmsg+0xee/0x170 [ 9689.870929][ T10] __sys_sendmsg+0xcd/0x170 [ 9689.870929][ T10] do_syscall_64+0xc6/0x1e0 [ 9689.870929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9689.870929][ T10] [ 9689.873109][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9689.873109][ T10] netdev_get_by_index+0x5e/0x80 [ 9689.873109][ T10] fib6_nh_init+0x3d8/0x1580 [ 9689.873109][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9689.873109][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9689.873109][ T10] ipv6_add_addr+0x411/0x2000 [ 9689.873109][ T10] inet6_addr_add+0x30e/0xa40 [ 9689.873109][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9689.873109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9689.873109][ T10] netlink_rcv_skb+0x130/0x360 [ 9689.873109][ T10] netlink_unicast+0x449/0x710 [ 9689.873109][ T10] netlink_sendmsg+0x723/0xbe0 [ 9689.873109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9689.873109][ T10] ___sys_sendmsg+0xee/0x170 [ 9689.873109][ T10] __sys_sendmsg+0xcd/0x170 [ 9689.873109][ T10] do_syscall_64+0xc6/0x1e0 [ 9689.873109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9689.873109][ T10] [ 9689.875344][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9689.875344][ T10] netdev_get_by_index+0x5e/0x80 [ 9689.875344][ T10] fib6_nh_init+0x3d8/0x1580 [ 9689.875344][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9689.875344][ T10] ip6_route_add+0x1c/0x140 [ 9689.875344][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9689.875344][ T10] addrconf_add_dev+0xe2/0x170 [ 9689.875344][ T10] inet6_addr_add+0x12f/0xa40 [ 9689.875344][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9689.875344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9689.875344][ T10] netlink_rcv_skb+0x130/0x360 [ 9689.875344][ T10] netlink_unicast+0x449/0x710 [ 9689.875344][ T10] netlink_sendmsg+0x723/0xbe0 [ 9689.875344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9689.875344][ T10] ___sys_sendmsg+0xee/0x170 [ 9689.875344][ T10] __sys_sendmsg+0xcd/0x170 [ 9689.875344][ T10] do_syscall_64+0xc6/0x1e0 [ 9689.875344][ T10] [ 9689.877544][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9689.877544][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9689.877544][ T10] ipv6_find_idev+0x102/0x170 [ 9689.877544][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9689.877544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9689.877544][ T10] netlink_rcv_skb+0x130/0x360 [ 9689.877544][ T10] netlink_unicast+0x449/0x710 [ 9689.877544][ T10] netlink_sendmsg+0x723/0xbe0 [ 9689.877544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9689.877544][ T10] ___sys_sendmsg+0xee/0x170 [ 9689.877544][ T10] __sys_sendmsg+0xcd/0x170 [ 9689.877544][ T10] do_syscall_64+0xc6/0x1e0 [ 9689.877544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9689.877544][ T10] [ 9689.879262][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9689.879262][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9689.879262][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9689.879262][ T10] ipv6_find_idev+0x102/0x170 [ 9689.879262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9689.879262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9689.879262][ T10] netlink_rcv_skb+0x130/0x360 [ 9689.879262][ T10] netlink_unicast+0x449/0x710 [ 9689.879262][ T10] netlink_sendmsg+0x723/0xbe0 [ 9689.879262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9689.879262][ T10] ___sys_sendmsg+0xee/0x170 [ 9689.879262][ T10] __sys_sendmsg+0xcd/0x170 [ 9689.879262][ T10] do_syscall_64+0xc6/0x1e0 [ 9689.879262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9689.879262][ T10] [ 9693.129141][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9693.129628][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9693.129628][ T1167] dst_init+0x84/0x4a0 [ 9693.129628][ T1167] dst_alloc+0x97/0x150 [ 9693.129628][ T1167] ip6_dst_alloc+0x23/0x90 [ 9693.129628][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9693.129628][ T1167] ip6_pol_route+0x56f/0x840 [ 9693.129628][ T1167] fib6_rule_lookup+0x334/0x630 [ 9693.129628][ T1167] ip6_route_output_flags+0x259/0x480 [ 9693.129628][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9693.129628][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9693.129628][ T1167] netlink_rcv_skb+0x130/0x360 [ 9693.129628][ T1167] netlink_unicast+0x449/0x710 [ 9693.129628][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9693.129628][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9693.129628][ T1167] ___sys_sendmsg+0xee/0x170 [ 9693.129628][ T1167] __sys_sendmsg+0xcd/0x170 [ 9693.129628][ T1167] do_syscall_64+0xc6/0x1e0 [ 9693.129628][ T1167] [ 9693.132257][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9693.132257][ T1167] netdev_get_by_index+0x5e/0x80 [ 9693.132257][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9693.132257][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9693.132257][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9693.132257][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9693.132257][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9693.132257][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9693.132257][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9693.132257][ T1167] addrconf_dad_begin+0x310/0x670 [ 9693.132257][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9693.132257][ T1167] process_one_work+0x84d/0x18a0 [ 9693.132257][ T1167] worker_thread+0x587/0xd30 [ 9693.132257][ T1167] kthread+0x28a/0x350 [ 9693.132257][ T1167] ret_from_fork+0x31/0x70 [ 9693.132257][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9693.132257][ T1167] [ 9693.134824][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9693.134824][ T1167] netdev_get_by_index+0x5e/0x80 [ 9693.134824][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9693.134824][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9693.134824][ T1167] ip6_route_add+0x1c/0x140 [ 9693.134824][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9693.134824][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9693.134824][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9693.134824][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9693.134824][ T1167] netlink_rcv_skb+0x130/0x360 [ 9693.134824][ T1167] netlink_unicast+0x449/0x710 [ 9693.134824][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9693.134824][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9693.134824][ T1167] ___sys_sendmsg+0xee/0x170 [ 9693.134824][ T1167] __sys_sendmsg+0xcd/0x170 [ 9693.134824][ T1167] do_syscall_64+0xc6/0x1e0 [ 9693.134824][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9693.134824][ T1167] [ 9693.137488][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9693.137488][ T1167] netdev_get_by_index+0x5e/0x80 [ 9693.137488][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9693.137488][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9693.137488][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9693.137488][ T1167] ipv6_add_addr+0x411/0x2000 [ 9693.137488][ T1167] inet6_addr_add+0x30e/0xa40 [ 9693.137488][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9693.137488][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9693.137488][ T1167] netlink_rcv_skb+0x130/0x360 [ 9693.137488][ T1167] netlink_unicast+0x449/0x710 [ 9693.137488][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9693.137488][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9693.137488][ T1167] ___sys_sendmsg+0xee/0x170 [ 9693.137488][ T1167] __sys_sendmsg+0xcd/0x170 [ 9693.137488][ T1167] do_syscall_64+0xc6/0x1e0 [ 9693.137488][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9693.137488][ T1167] [ 9693.140153][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9693.140153][ T1167] netdev_get_by_index+0x5e/0x80 [ 9693.140153][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9693.140153][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9693.140153][ T1167] ip6_route_add+0x1c/0x140 [ 9693.140153][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9693.140153][ T1167] addrconf_add_dev+0xe2/0x170 [ 9693.140153][ T1167] inet6_addr_add+0x12f/0xa40 [ 9693.140153][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9693.140153][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9693.140153][ T1167] netlink_rcv_skb+0x130/0x360 [ 9693.140153][ T1167] netlink_unicast+0x449/0x710 [ 9693.140153][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9693.140153][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9693.140153][ T1167] ___sys_sendmsg+0xee/0x170 [ 9693.140153][ T1167] __sys_sendmsg+0xcd/0x170 [ 9693.140153][ T1167] do_syscall_64+0xc6/0x1e0 [ 9693.140153][ T1167] [ 9693.142771][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9693.142771][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9693.142771][ T1167] ipv6_find_idev+0x102/0x170 [ 9693.142771][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9693.142771][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9693.142771][ T1167] netlink_rcv_skb+0x130/0x360 [ 9693.142771][ T1167] netlink_unicast+0x449/0x710 [ 9693.142771][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9693.142771][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9693.142771][ T1167] ___sys_sendmsg+0xee/0x170 [ 9693.142771][ T1167] __sys_sendmsg+0xcd/0x170 [ 9693.142771][ T1167] do_syscall_64+0xc6/0x1e0 [ 9693.142771][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9693.142771][ T1167] [ 9693.144810][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9693.144810][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9693.144810][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9693.144810][ T1167] ipv6_find_idev+0x102/0x170 [ 9693.144810][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9693.144810][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9693.144810][ T1167] netlink_rcv_skb+0x130/0x360 [ 9693.144810][ T1167] netlink_unicast+0x449/0x710 [ 9693.144810][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9693.144810][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9693.144810][ T1167] ___sys_sendmsg+0xee/0x170 [ 9693.144810][ T1167] __sys_sendmsg+0xcd/0x170 [ 9693.144810][ T1167] do_syscall_64+0xc6/0x1e0 [ 9693.144810][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9693.144810][ T1167] [ 9700.121107][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9700.121535][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9700.121535][ T10] netdev_get_by_index+0x5e/0x80 [ 9700.121535][ T10] fib6_nh_init+0x3d8/0x1580 [ 9700.121535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9700.121535][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9700.121535][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9700.121535][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9700.121535][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9700.121535][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9700.121535][ T10] addrconf_dad_begin+0x310/0x670 [ 9700.121535][ T10] addrconf_dad_work+0x10b/0xab0 [ 9700.121535][ T10] process_one_work+0x84d/0x18a0 [ 9700.121535][ T10] worker_thread+0x587/0xd30 [ 9700.121535][ T10] kthread+0x28a/0x350 [ 9700.121535][ T10] ret_from_fork+0x31/0x70 [ 9700.121535][ T10] ret_from_fork_asm+0x1a/0x30 [ 9700.121535][ T10] [ 9700.123494][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9700.123494][ T10] netdev_get_by_index+0x5e/0x80 [ 9700.123494][ T10] fib6_nh_init+0x3d8/0x1580 [ 9700.123494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9700.123494][ T10] ip6_route_add+0x1c/0x140 [ 9700.123494][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9700.123494][ T10] inet6_addr_add+0x4f8/0xa40 [ 9700.123494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9700.123494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9700.123494][ T10] netlink_rcv_skb+0x130/0x360 [ 9700.123494][ T10] netlink_unicast+0x449/0x710 [ 9700.123494][ T10] netlink_sendmsg+0x723/0xbe0 [ 9700.123494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9700.123494][ T10] ___sys_sendmsg+0xee/0x170 [ 9700.123494][ T10] __sys_sendmsg+0xcd/0x170 [ 9700.123494][ T10] do_syscall_64+0xc6/0x1e0 [ 9700.123494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9700.123494][ T10] [ 9700.125511][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9700.125511][ T10] netdev_get_by_index+0x5e/0x80 [ 9700.125511][ T10] fib6_nh_init+0x3d8/0x1580 [ 9700.125511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9700.125511][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9700.125511][ T10] ipv6_add_addr+0x411/0x2000 [ 9700.125511][ T10] inet6_addr_add+0x30e/0xa40 [ 9700.125511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9700.125511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9700.125511][ T10] netlink_rcv_skb+0x130/0x360 [ 9700.125511][ T10] netlink_unicast+0x449/0x710 [ 9700.125511][ T10] netlink_sendmsg+0x723/0xbe0 [ 9700.125511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9700.125511][ T10] ___sys_sendmsg+0xee/0x170 [ 9700.125511][ T10] __sys_sendmsg+0xcd/0x170 [ 9700.125511][ T10] do_syscall_64+0xc6/0x1e0 [ 9700.125511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9700.125511][ T10] [ 9700.127505][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9700.127505][ T10] netdev_get_by_index+0x5e/0x80 [ 9700.127505][ T10] fib6_nh_init+0x3d8/0x1580 [ 9700.127505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9700.127505][ T10] ip6_route_add+0x1c/0x140 [ 9700.127505][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9700.127505][ T10] addrconf_add_dev+0xe2/0x170 [ 9700.127505][ T10] inet6_addr_add+0x12f/0xa40 [ 9700.127505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9700.127505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9700.127505][ T10] netlink_rcv_skb+0x130/0x360 [ 9700.127505][ T10] netlink_unicast+0x449/0x710 [ 9700.127505][ T10] netlink_sendmsg+0x723/0xbe0 [ 9700.127505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9700.127505][ T10] ___sys_sendmsg+0xee/0x170 [ 9700.127505][ T10] __sys_sendmsg+0xcd/0x170 [ 9700.127505][ T10] do_syscall_64+0xc6/0x1e0 [ 9700.127505][ T10] [ 9700.129476][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9700.129476][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9700.129476][ T10] ipv6_find_idev+0x102/0x170 [ 9700.129476][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9700.129476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9700.129476][ T10] netlink_rcv_skb+0x130/0x360 [ 9700.129476][ T10] netlink_unicast+0x449/0x710 [ 9700.129476][ T10] netlink_sendmsg+0x723/0xbe0 [ 9700.129476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9700.129476][ T10] ___sys_sendmsg+0xee/0x170 [ 9700.129476][ T10] __sys_sendmsg+0xcd/0x170 [ 9700.129476][ T10] do_syscall_64+0xc6/0x1e0 [ 9700.129476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9700.129476][ T10] [ 9700.131022][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9700.131022][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9700.131022][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9700.131022][ T10] ipv6_find_idev+0x102/0x170 [ 9700.131022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9700.131022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9700.131022][ T10] netlink_rcv_skb+0x130/0x360 [ 9700.131022][ T10] netlink_unicast+0x449/0x710 [ 9700.131022][ T10] netlink_sendmsg+0x723/0xbe0 [ 9700.131022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9700.131022][ T10] ___sys_sendmsg+0xee/0x170 [ 9700.131022][ T10] __sys_sendmsg+0xcd/0x170 [ 9700.131022][ T10] do_syscall_64+0xc6/0x1e0 [ 9700.131022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9700.131022][ T10] [ 9700.132727][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9700.132975][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9700.132975][ T10] netdev_get_by_index+0x5e/0x80 [ 9700.132975][ T10] fib6_nh_init+0x3d8/0x1580 [ 9700.132975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9700.132975][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9700.132975][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9700.132975][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9700.132975][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9700.132975][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9700.132975][ T10] addrconf_dad_begin+0x310/0x670 [ 9700.132975][ T10] addrconf_dad_work+0x10b/0xab0 [ 9700.132975][ T10] process_one_work+0x84d/0x18a0 [ 9700.132975][ T10] worker_thread+0x587/0xd30 [ 9700.132975][ T10] kthread+0x28a/0x350 [ 9700.132975][ T10] ret_from_fork+0x31/0x70 [ 9700.132975][ T10] ret_from_fork_asm+0x1a/0x30 [ 9700.132975][ T10] [ 9700.134904][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9700.134904][ T10] netdev_get_by_index+0x5e/0x80 [ 9700.134904][ T10] fib6_nh_init+0x3d8/0x1580 [ 9700.134904][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9700.134904][ T10] ip6_route_add+0x1c/0x140 [ 9700.134904][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9700.134904][ T10] inet6_addr_add+0x4f8/0xa40 [ 9700.134904][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9700.134904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9700.134904][ T10] netlink_rcv_skb+0x130/0x360 [ 9700.134904][ T10] netlink_unicast+0x449/0x710 [ 9700.134904][ T10] netlink_sendmsg+0x723/0xbe0 [ 9700.134904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9700.134904][ T10] ___sys_sendmsg+0xee/0x170 [ 9700.134904][ T10] __sys_sendmsg+0xcd/0x170 [ 9700.134904][ T10] do_syscall_64+0xc6/0x1e0 [ 9700.134904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9700.134904][ T10] [ 9700.136906][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9700.136906][ T10] netdev_get_by_index+0x5e/0x80 [ 9700.136906][ T10] fib6_nh_init+0x3d8/0x1580 [ 9700.136906][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9700.136906][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9700.136906][ T10] ipv6_add_addr+0x411/0x2000 [ 9700.136906][ T10] inet6_addr_add+0x30e/0xa40 [ 9700.136906][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9700.136906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9700.136906][ T10] netlink_rcv_skb+0x130/0x360 [ 9700.136906][ T10] netlink_unicast+0x449/0x710 [ 9700.136906][ T10] netlink_sendmsg+0x723/0xbe0 [ 9700.136906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9700.136906][ T10] ___sys_sendmsg+0xee/0x170 [ 9700.136906][ T10] __sys_sendmsg+0xcd/0x170 [ 9700.136906][ T10] do_syscall_64+0xc6/0x1e0 [ 9700.136906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9700.136906][ T10] [ 9700.138907][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9700.138907][ T10] netdev_get_by_index+0x5e/0x80 [ 9700.138907][ T10] fib6_nh_init+0x3d8/0x1580 [ 9700.138907][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9700.138907][ T10] ip6_route_add+0x1c/0x140 [ 9700.138907][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9700.138907][ T10] addrconf_add_dev+0xe2/0x170 [ 9700.138907][ T10] inet6_addr_add+0x12f/0xa40 [ 9700.138907][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9700.138907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9700.138907][ T10] netlink_rcv_skb+0x130/0x360 [ 9700.138907][ T10] netlink_unicast+0x449/0x710 [ 9700.138907][ T10] netlink_sendmsg+0x723/0xbe0 [ 9700.138907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9700.138907][ T10] ___sys_sendmsg+0xee/0x170 [ 9700.138907][ T10] __sys_sendmsg+0xcd/0x170 [ 9700.138907][ T10] do_syscall_64+0xc6/0x1e0 [ 9700.138907][ T10] [ 9700.140873][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9700.140873][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9700.140873][ T10] ipv6_find_idev+0x102/0x170 [ 9700.140873][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9700.140873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9700.140873][ T10] netlink_rcv_skb+0x130/0x360 [ 9700.140873][ T10] netlink_unicast+0x449/0x710 [ 9700.140873][ T10] netlink_sendmsg+0x723/0xbe0 [ 9700.140873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9700.140873][ T10] ___sys_sendmsg+0xee/0x170 [ 9700.140873][ T10] __sys_sendmsg+0xcd/0x170 [ 9700.140873][ T10] do_syscall_64+0xc6/0x1e0 [ 9700.140873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9700.140873][ T10] [ 9700.142415][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9700.142415][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9700.142415][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9700.142415][ T10] ipv6_find_idev+0x102/0x170 [ 9700.142415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9700.142415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9700.142415][ T10] netlink_rcv_skb+0x130/0x360 [ 9700.142415][ T10] netlink_unicast+0x449/0x710 [ 9700.142415][ T10] netlink_sendmsg+0x723/0xbe0 [ 9700.142415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9700.142415][ T10] ___sys_sendmsg+0xee/0x170 [ 9700.142415][ T10] __sys_sendmsg+0xcd/0x170 [ 9700.142415][ T10] do_syscall_64+0xc6/0x1e0 [ 9700.142415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9700.142415][ T10] [ 9700.144112][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9700.144352][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9700.144352][ T10] netdev_get_by_index+0x5e/0x80 [ 9700.144352][ T10] fib6_nh_init+0x3d8/0x1580 [ 9700.144352][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9700.144352][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9700.144352][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9700.144352][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9700.144352][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9700.144352][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9700.144352][ T10] addrconf_dad_begin+0x310/0x670 [ 9700.144352][ T10] addrconf_dad_work+0x10b/0xab0 [ 9700.144352][ T10] process_one_work+0x84d/0x18a0 [ 9700.144352][ T10] worker_thread+0x587/0xd30 [ 9700.144352][ T10] kthread+0x28a/0x350 [ 9700.144352][ T10] ret_from_fork+0x31/0x70 [ 9700.144352][ T10] ret_from_fork_asm+0x1a/0x30 [ 9700.144352][ T10] [ 9700.146266][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9700.146266][ T10] netdev_get_by_index+0x5e/0x80 [ 9700.146266][ T10] fib6_nh_init+0x3d8/0x1580 [ 9700.146266][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9700.146266][ T10] ip6_route_add+0x1c/0x140 [ 9700.146266][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9700.146266][ T10] inet6_addr_add+0x4f8/0xa40 [ 9700.146266][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9700.146266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9700.146266][ T10] netlink_rcv_skb+0x130/0x360 [ 9700.146266][ T10] netlink_unicast+0x449/0x710 [ 9700.146266][ T10] netlink_sendmsg+0x723/0xbe0 [ 9700.146266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9700.146266][ T10] ___sys_sendmsg+0xee/0x170 [ 9700.146266][ T10] __sys_sendmsg+0xcd/0x170 [ 9700.146266][ T10] do_syscall_64+0xc6/0x1e0 [ 9700.146266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9700.146266][ T10] [ 9700.148392][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9700.148392][ T10] netdev_get_by_index+0x5e/0x80 [ 9700.148392][ T10] fib6_nh_init+0x3d8/0x1580 [ 9700.148392][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9700.148392][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9700.148392][ T10] ipv6_add_addr+0x411/0x2000 [ 9700.148392][ T10] inet6_addr_add+0x30e/0xa40 [ 9700.148392][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9700.148392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9700.148392][ T10] netlink_rcv_skb+0x130/0x360 [ 9700.148392][ T10] netlink_unicast+0x449/0x710 [ 9700.148392][ T10] netlink_sendmsg+0x723/0xbe0 [ 9700.148392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9700.148392][ T10] ___sys_sendmsg+0xee/0x170 [ 9700.148392][ T10] __sys_sendmsg+0xcd/0x170 [ 9700.148392][ T10] do_syscall_64+0xc6/0x1e0 [ 9700.148392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9700.148392][ T10] [ 9700.150631][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9700.150631][ T10] netdev_get_by_index+0x5e/0x80 [ 9700.150631][ T10] fib6_nh_init+0x3d8/0x1580 [ 9700.150631][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9700.150631][ T10] ip6_route_add+0x1c/0x140 [ 9700.150631][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9700.150631][ T10] addrconf_add_dev+0xe2/0x170 [ 9700.150631][ T10] inet6_addr_add+0x12f/0xa40 [ 9700.150631][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9700.150631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9700.150631][ T10] netlink_rcv_skb+0x130/0x360 [ 9700.150631][ T10] netlink_unicast+0x449/0x710 [ 9700.150631][ T10] netlink_sendmsg+0x723/0xbe0 [ 9700.150631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9700.150631][ T10] ___sys_sendmsg+0xee/0x170 [ 9700.150631][ T10] __sys_sendmsg+0xcd/0x170 [ 9700.150631][ T10] do_syscall_64+0xc6/0x1e0 [ 9700.150631][ T10] [ 9700.152731][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9700.152731][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9700.152731][ T10] ipv6_find_idev+0x102/0x170 [ 9700.152731][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9700.152731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9700.152731][ T10] netlink_rcv_skb+0x130/0x360 [ 9700.152731][ T10] netlink_unicast+0x449/0x710 [ 9700.152731][ T10] netlink_sendmsg+0x723/0xbe0 [ 9700.152731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9700.152731][ T10] ___sys_sendmsg+0xee/0x170 [ 9700.152731][ T10] __sys_sendmsg+0xcd/0x170 [ 9700.152731][ T10] do_syscall_64+0xc6/0x1e0 [ 9700.152731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9700.152731][ T10] [ 9700.154335][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9700.154335][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9700.154335][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9700.154335][ T10] ipv6_find_idev+0x102/0x170 [ 9700.154335][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9700.154335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9700.154335][ T10] netlink_rcv_skb+0x130/0x360 [ 9700.154335][ T10] netlink_unicast+0x449/0x710 [ 9700.154335][ T10] netlink_sendmsg+0x723/0xbe0 [ 9700.154335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9700.154335][ T10] ___sys_sendmsg+0xee/0x170 [ 9700.154335][ T10] __sys_sendmsg+0xcd/0x170 [ 9700.154335][ T10] do_syscall_64+0xc6/0x1e0 [ 9700.154335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9700.154335][ T10] [ 9700.156146][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9700.156386][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9700.156386][ T10] netdev_get_by_index+0x5e/0x80 [ 9700.156386][ T10] fib6_nh_init+0x3d8/0x1580 [ 9700.156386][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9700.156386][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9700.156386][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9700.156386][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9700.156386][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9700.156386][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9700.156386][ T10] addrconf_dad_begin+0x310/0x670 [ 9700.156386][ T10] addrconf_dad_work+0x10b/0xab0 [ 9700.156386][ T10] process_one_work+0x84d/0x18a0 [ 9700.156386][ T10] worker_thread+0x587/0xd30 [ 9700.156386][ T10] kthread+0x28a/0x350 [ 9700.156386][ T10] ret_from_fork+0x31/0x70 [ 9700.156386][ T10] ret_from_fork_asm+0x1a/0x30 [ 9700.156386][ T10] [ 9700.158424][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9700.158424][ T10] netdev_get_by_index+0x5e/0x80 [ 9700.158424][ T10] fib6_nh_init+0x3d8/0x1580 [ 9700.158424][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9700.158424][ T10] ip6_route_add+0x1c/0x140 [ 9700.158424][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9700.158424][ T10] inet6_addr_add+0x4f8/0xa40 [ 9700.158424][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9700.158424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9700.158424][ T10] netlink_rcv_skb+0x130/0x360 [ 9700.158424][ T10] netlink_unicast+0x449/0x710 [ 9700.158424][ T10] netlink_sendmsg+0x723/0xbe0 [ 9700.158424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9700.158424][ T10] ___sys_sendmsg+0xee/0x170 [ 9700.158424][ T10] __sys_sendmsg+0xcd/0x170 [ 9700.158424][ T10] do_syscall_64+0xc6/0x1e0 [ 9700.158424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9700.158424][ T10] [ 9700.160561][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9700.160561][ T10] netdev_get_by_index+0x5e/0x80 [ 9700.160561][ T10] fib6_nh_init+0x3d8/0x1580 [ 9700.160561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9700.160561][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9700.160561][ T10] ipv6_add_addr+0x411/0x2000 [ 9700.160561][ T10] inet6_addr_add+0x30e/0xa40 [ 9700.160561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9700.160561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9700.160561][ T10] netlink_rcv_skb+0x130/0x360 [ 9700.160561][ T10] netlink_unicast+0x449/0x710 [ 9700.160561][ T10] netlink_sendmsg+0x723/0xbe0 [ 9700.160561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9700.160561][ T10] ___sys_sendmsg+0xee/0x170 [ 9700.160561][ T10] __sys_sendmsg+0xcd/0x170 [ 9700.160561][ T10] do_syscall_64+0xc6/0x1e0 [ 9700.160561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9700.160561][ T10] [ 9700.162696][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9700.162696][ T10] netdev_get_by_index+0x5e/0x80 [ 9700.162696][ T10] fib6_nh_init+0x3d8/0x1580 [ 9700.162696][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9700.162696][ T10] ip6_route_add+0x1c/0x140 [ 9700.162696][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9700.162696][ T10] addrconf_add_dev+0xe2/0x170 [ 9700.162696][ T10] inet6_addr_add+0x12f/0xa40 [ 9700.162696][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9700.162696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9700.162696][ T10] netlink_rcv_skb+0x130/0x360 [ 9700.162696][ T10] netlink_unicast+0x449/0x710 [ 9700.162696][ T10] netlink_sendmsg+0x723/0xbe0 [ 9700.162696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9700.162696][ T10] ___sys_sendmsg+0xee/0x170 [ 9700.162696][ T10] __sys_sendmsg+0xcd/0x170 [ 9700.162696][ T10] do_syscall_64+0xc6/0x1e0 [ 9700.162696][ T10] [ 9700.164795][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9700.164795][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9700.164795][ T10] ipv6_find_idev+0x102/0x170 [ 9700.164795][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9700.164795][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9700.164795][ T10] netlink_rcv_skb+0x130/0x360 [ 9700.164795][ T10] netlink_unicast+0x449/0x710 [ 9700.164795][ T10] netlink_sendmsg+0x723/0xbe0 [ 9700.164795][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9700.164795][ T10] ___sys_sendmsg+0xee/0x170 [ 9700.164795][ T10] __sys_sendmsg+0xcd/0x170 [ 9700.164795][ T10] do_syscall_64+0xc6/0x1e0 [ 9700.164795][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9700.164795][ T10] [ 9700.166397][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9700.166397][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9700.166397][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9700.166397][ T10] ipv6_find_idev+0x102/0x170 [ 9700.166397][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9700.166397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9700.166397][ T10] netlink_rcv_skb+0x130/0x360 [ 9700.166397][ T10] netlink_unicast+0x449/0x710 [ 9700.166397][ T10] netlink_sendmsg+0x723/0xbe0 [ 9700.166397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9700.166397][ T10] ___sys_sendmsg+0xee/0x170 [ 9700.166397][ T10] __sys_sendmsg+0xcd/0x170 [ 9700.166397][ T10] do_syscall_64+0xc6/0x1e0 [ 9700.166397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9700.166397][ T10] [ 9703.401118][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9703.401587][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9703.401587][ T1167] dst_init+0x84/0x4a0 [ 9703.401587][ T1167] dst_alloc+0x97/0x150 [ 9703.401587][ T1167] ip6_dst_alloc+0x23/0x90 [ 9703.401587][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9703.401587][ T1167] ip6_pol_route+0x56f/0x840 [ 9703.401587][ T1167] fib6_rule_lookup+0x334/0x630 [ 9703.401587][ T1167] ip6_route_output_flags+0x259/0x480 [ 9703.401587][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9703.401587][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9703.401587][ T1167] netlink_rcv_skb+0x130/0x360 [ 9703.401587][ T1167] netlink_unicast+0x449/0x710 [ 9703.401587][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9703.401587][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9703.401587][ T1167] ___sys_sendmsg+0xee/0x170 [ 9703.401587][ T1167] __sys_sendmsg+0xcd/0x170 [ 9703.401587][ T1167] do_syscall_64+0xc6/0x1e0 [ 9703.401587][ T1167] [ 9703.403807][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9703.403807][ T1167] netdev_get_by_index+0x5e/0x80 [ 9703.403807][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9703.403807][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9703.403807][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9703.403807][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9703.403807][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9703.403807][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9703.403807][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9703.403807][ T1167] addrconf_dad_begin+0x310/0x670 [ 9703.403807][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9703.403807][ T1167] process_one_work+0x84d/0x18a0 [ 9703.403807][ T1167] worker_thread+0x587/0xd30 [ 9703.403807][ T1167] kthread+0x28a/0x350 [ 9703.403807][ T1167] ret_from_fork+0x31/0x70 [ 9703.403807][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9703.403807][ T1167] [ 9703.405948][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9703.405948][ T1167] netdev_get_by_index+0x5e/0x80 [ 9703.405948][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9703.405948][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9703.405948][ T1167] ip6_route_add+0x1c/0x140 [ 9703.405948][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9703.405948][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9703.405948][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9703.405948][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9703.405948][ T1167] netlink_rcv_skb+0x130/0x360 [ 9703.405948][ T1167] netlink_unicast+0x449/0x710 [ 9703.405948][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9703.405948][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9703.405948][ T1167] ___sys_sendmsg+0xee/0x170 [ 9703.405948][ T1167] __sys_sendmsg+0xcd/0x170 [ 9703.405948][ T1167] do_syscall_64+0xc6/0x1e0 [ 9703.405948][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9703.405948][ T1167] [ 9703.408179][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9703.408179][ T1167] netdev_get_by_index+0x5e/0x80 [ 9703.408179][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9703.408179][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9703.408179][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9703.408179][ T1167] ipv6_add_addr+0x411/0x2000 [ 9703.408179][ T1167] inet6_addr_add+0x30e/0xa40 [ 9703.408179][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9703.408179][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9703.408179][ T1167] netlink_rcv_skb+0x130/0x360 [ 9703.408179][ T1167] netlink_unicast+0x449/0x710 [ 9703.408179][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9703.408179][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9703.408179][ T1167] ___sys_sendmsg+0xee/0x170 [ 9703.408179][ T1167] __sys_sendmsg+0xcd/0x170 [ 9703.408179][ T1167] do_syscall_64+0xc6/0x1e0 [ 9703.408179][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9703.408179][ T1167] [ 9703.410491][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9703.410491][ T1167] netdev_get_by_index+0x5e/0x80 [ 9703.410491][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9703.410491][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9703.410491][ T1167] ip6_route_add+0x1c/0x140 [ 9703.410491][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9703.410491][ T1167] addrconf_add_dev+0xe2/0x170 [ 9703.410491][ T1167] inet6_addr_add+0x12f/0xa40 [ 9703.410491][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9703.410491][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9703.410491][ T1167] netlink_rcv_skb+0x130/0x360 [ 9703.410491][ T1167] netlink_unicast+0x449/0x710 [ 9703.410491][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9703.410491][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9703.410491][ T1167] ___sys_sendmsg+0xee/0x170 [ 9703.410491][ T1167] __sys_sendmsg+0xcd/0x170 [ 9703.410491][ T1167] do_syscall_64+0xc6/0x1e0 [ 9703.410491][ T1167] [ 9703.412688][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9703.412688][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9703.412688][ T1167] ipv6_find_idev+0x102/0x170 [ 9703.412688][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9703.412688][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9703.412688][ T1167] netlink_rcv_skb+0x130/0x360 [ 9703.412688][ T1167] netlink_unicast+0x449/0x710 [ 9703.412688][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9703.412688][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9703.412688][ T1167] ___sys_sendmsg+0xee/0x170 [ 9703.412688][ T1167] __sys_sendmsg+0xcd/0x170 [ 9703.412688][ T1167] do_syscall_64+0xc6/0x1e0 [ 9703.412688][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9703.412688][ T1167] [ 9703.414417][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9703.414417][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9703.414417][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9703.414417][ T1167] ipv6_find_idev+0x102/0x170 [ 9703.414417][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9703.414417][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9703.414417][ T1167] netlink_rcv_skb+0x130/0x360 [ 9703.414417][ T1167] netlink_unicast+0x449/0x710 [ 9703.414417][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9703.414417][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9703.414417][ T1167] ___sys_sendmsg+0xee/0x170 [ 9703.414417][ T1167] __sys_sendmsg+0xcd/0x170 [ 9703.414417][ T1167] do_syscall_64+0xc6/0x1e0 [ 9703.414417][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9703.414417][ T1167] [ 9710.409114][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9710.409516][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9710.409516][ T10] netdev_get_by_index+0x5e/0x80 [ 9710.409516][ T10] fib6_nh_init+0x3d8/0x1580 [ 9710.409516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9710.409516][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9710.409516][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9710.409516][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9710.409516][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9710.409516][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9710.409516][ T10] addrconf_dad_begin+0x310/0x670 [ 9710.409516][ T10] addrconf_dad_work+0x10b/0xab0 [ 9710.409516][ T10] process_one_work+0x84d/0x18a0 [ 9710.409516][ T10] worker_thread+0x587/0xd30 [ 9710.409516][ T10] kthread+0x28a/0x350 [ 9710.409516][ T10] ret_from_fork+0x31/0x70 [ 9710.409516][ T10] ret_from_fork_asm+0x1a/0x30 [ 9710.409516][ T10] [ 9710.411453][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9710.411453][ T10] netdev_get_by_index+0x5e/0x80 [ 9710.411453][ T10] fib6_nh_init+0x3d8/0x1580 [ 9710.411453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9710.411453][ T10] ip6_route_add+0x1c/0x140 [ 9710.411453][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9710.411453][ T10] inet6_addr_add+0x4f8/0xa40 [ 9710.411453][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9710.411453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9710.411453][ T10] netlink_rcv_skb+0x130/0x360 [ 9710.411453][ T10] netlink_unicast+0x449/0x710 [ 9710.411453][ T10] netlink_sendmsg+0x723/0xbe0 [ 9710.411453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9710.411453][ T10] ___sys_sendmsg+0xee/0x170 [ 9710.411453][ T10] __sys_sendmsg+0xcd/0x170 [ 9710.411453][ T10] do_syscall_64+0xc6/0x1e0 [ 9710.411453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9710.411453][ T10] [ 9710.413471][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9710.413471][ T10] netdev_get_by_index+0x5e/0x80 [ 9710.413471][ T10] fib6_nh_init+0x3d8/0x1580 [ 9710.413471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9710.413471][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9710.413471][ T10] ipv6_add_addr+0x411/0x2000 [ 9710.413471][ T10] inet6_addr_add+0x30e/0xa40 [ 9710.413471][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9710.413471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9710.413471][ T10] netlink_rcv_skb+0x130/0x360 [ 9710.413471][ T10] netlink_unicast+0x449/0x710 [ 9710.413471][ T10] netlink_sendmsg+0x723/0xbe0 [ 9710.413471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9710.413471][ T10] ___sys_sendmsg+0xee/0x170 [ 9710.413471][ T10] __sys_sendmsg+0xcd/0x170 [ 9710.413471][ T10] do_syscall_64+0xc6/0x1e0 [ 9710.413471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9710.413471][ T10] [ 9710.415520][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9710.415520][ T10] netdev_get_by_index+0x5e/0x80 [ 9710.415520][ T10] fib6_nh_init+0x3d8/0x1580 [ 9710.415520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9710.415520][ T10] ip6_route_add+0x1c/0x140 [ 9710.415520][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9710.415520][ T10] addrconf_add_dev+0xe2/0x170 [ 9710.415520][ T10] inet6_addr_add+0x12f/0xa40 [ 9710.415520][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9710.415520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9710.415520][ T10] netlink_rcv_skb+0x130/0x360 [ 9710.415520][ T10] netlink_unicast+0x449/0x710 [ 9710.415520][ T10] netlink_sendmsg+0x723/0xbe0 [ 9710.415520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9710.415520][ T10] ___sys_sendmsg+0xee/0x170 [ 9710.415520][ T10] __sys_sendmsg+0xcd/0x170 [ 9710.415520][ T10] do_syscall_64+0xc6/0x1e0 [ 9710.415520][ T10] [ 9710.417491][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9710.417491][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9710.417491][ T10] ipv6_find_idev+0x102/0x170 [ 9710.417491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9710.417491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9710.417491][ T10] netlink_rcv_skb+0x130/0x360 [ 9710.417491][ T10] netlink_unicast+0x449/0x710 [ 9710.417491][ T10] netlink_sendmsg+0x723/0xbe0 [ 9710.417491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9710.417491][ T10] ___sys_sendmsg+0xee/0x170 [ 9710.417491][ T10] __sys_sendmsg+0xcd/0x170 [ 9710.417491][ T10] do_syscall_64+0xc6/0x1e0 [ 9710.417491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9710.417491][ T10] [ 9710.419028][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9710.419028][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9710.419028][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9710.419028][ T10] ipv6_find_idev+0x102/0x170 [ 9710.419028][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9710.419028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9710.419028][ T10] netlink_rcv_skb+0x130/0x360 [ 9710.419028][ T10] netlink_unicast+0x449/0x710 [ 9710.419028][ T10] netlink_sendmsg+0x723/0xbe0 [ 9710.419028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9710.419028][ T10] ___sys_sendmsg+0xee/0x170 [ 9710.419028][ T10] __sys_sendmsg+0xcd/0x170 [ 9710.419028][ T10] do_syscall_64+0xc6/0x1e0 [ 9710.419028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9710.419028][ T10] [ 9710.420741][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9710.420986][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9710.420986][ T10] netdev_get_by_index+0x5e/0x80 [ 9710.420986][ T10] fib6_nh_init+0x3d8/0x1580 [ 9710.420986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9710.420986][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9710.420986][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9710.420986][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9710.420986][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9710.420986][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9710.420986][ T10] addrconf_dad_begin+0x310/0x670 [ 9710.420986][ T10] addrconf_dad_work+0x10b/0xab0 [ 9710.420986][ T10] process_one_work+0x84d/0x18a0 [ 9710.420986][ T10] worker_thread+0x587/0xd30 [ 9710.420986][ T10] kthread+0x28a/0x350 [ 9710.420986][ T10] ret_from_fork+0x31/0x70 [ 9710.420986][ T10] ret_from_fork_asm+0x1a/0x30 [ 9710.420986][ T10] [ 9710.422903][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9710.422903][ T10] netdev_get_by_index+0x5e/0x80 [ 9710.422903][ T10] fib6_nh_init+0x3d8/0x1580 [ 9710.422903][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9710.422903][ T10] ip6_route_add+0x1c/0x140 [ 9710.422903][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9710.422903][ T10] inet6_addr_add+0x4f8/0xa40 [ 9710.422903][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9710.422903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9710.422903][ T10] netlink_rcv_skb+0x130/0x360 [ 9710.422903][ T10] netlink_unicast+0x449/0x710 [ 9710.422903][ T10] netlink_sendmsg+0x723/0xbe0 [ 9710.422903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9710.422903][ T10] ___sys_sendmsg+0xee/0x170 [ 9710.422903][ T10] __sys_sendmsg+0xcd/0x170 [ 9710.422903][ T10] do_syscall_64+0xc6/0x1e0 [ 9710.422903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9710.422903][ T10] [ 9710.424922][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9710.424922][ T10] netdev_get_by_index+0x5e/0x80 [ 9710.424922][ T10] fib6_nh_init+0x3d8/0x1580 [ 9710.424922][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9710.424922][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9710.424922][ T10] ipv6_add_addr+0x411/0x2000 [ 9710.424922][ T10] inet6_addr_add+0x30e/0xa40 [ 9710.424922][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9710.424922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9710.424922][ T10] netlink_rcv_skb+0x130/0x360 [ 9710.424922][ T10] netlink_unicast+0x449/0x710 [ 9710.424922][ T10] netlink_sendmsg+0x723/0xbe0 [ 9710.424922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9710.424922][ T10] ___sys_sendmsg+0xee/0x170 [ 9710.424922][ T10] __sys_sendmsg+0xcd/0x170 [ 9710.424922][ T10] do_syscall_64+0xc6/0x1e0 [ 9710.424922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9710.424922][ T10] [ 9710.426920][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9710.426920][ T10] netdev_get_by_index+0x5e/0x80 [ 9710.426920][ T10] fib6_nh_init+0x3d8/0x1580 [ 9710.426920][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9710.426920][ T10] ip6_route_add+0x1c/0x140 [ 9710.426920][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9710.426920][ T10] addrconf_add_dev+0xe2/0x170 [ 9710.426920][ T10] inet6_addr_add+0x12f/0xa40 [ 9710.426920][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9710.426920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9710.426920][ T10] netlink_rcv_skb+0x130/0x360 [ 9710.426920][ T10] netlink_unicast+0x449/0x710 [ 9710.426920][ T10] netlink_sendmsg+0x723/0xbe0 [ 9710.426920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9710.426920][ T10] ___sys_sendmsg+0xee/0x170 [ 9710.426920][ T10] __sys_sendmsg+0xcd/0x170 [ 9710.426920][ T10] do_syscall_64+0xc6/0x1e0 [ 9710.426920][ T10] [ 9710.428887][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9710.428887][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9710.428887][ T10] ipv6_find_idev+0x102/0x170 [ 9710.428887][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9710.428887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9710.428887][ T10] netlink_rcv_skb+0x130/0x360 [ 9710.428887][ T10] netlink_unicast+0x449/0x710 [ 9710.428887][ T10] netlink_sendmsg+0x723/0xbe0 [ 9710.428887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9710.428887][ T10] ___sys_sendmsg+0xee/0x170 [ 9710.428887][ T10] __sys_sendmsg+0xcd/0x170 [ 9710.428887][ T10] do_syscall_64+0xc6/0x1e0 [ 9710.428887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9710.428887][ T10] [ 9710.430455][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9710.430455][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9710.430455][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9710.430455][ T10] ipv6_find_idev+0x102/0x170 [ 9710.430455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9710.430455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9710.430455][ T10] netlink_rcv_skb+0x130/0x360 [ 9710.430455][ T10] netlink_unicast+0x449/0x710 [ 9710.430455][ T10] netlink_sendmsg+0x723/0xbe0 [ 9710.430455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9710.430455][ T10] ___sys_sendmsg+0xee/0x170 [ 9710.430455][ T10] __sys_sendmsg+0xcd/0x170 [ 9710.430455][ T10] do_syscall_64+0xc6/0x1e0 [ 9710.430455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9710.430455][ T10] [ 9710.432157][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9710.432396][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9710.432396][ T10] netdev_get_by_index+0x5e/0x80 [ 9710.432396][ T10] fib6_nh_init+0x3d8/0x1580 [ 9710.432396][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9710.432396][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9710.432396][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9710.432396][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9710.432396][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9710.432396][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9710.432396][ T10] addrconf_dad_begin+0x310/0x670 [ 9710.432396][ T10] addrconf_dad_work+0x10b/0xab0 [ 9710.432396][ T10] process_one_work+0x84d/0x18a0 [ 9710.432396][ T10] worker_thread+0x587/0xd30 [ 9710.432396][ T10] kthread+0x28a/0x350 [ 9710.432396][ T10] ret_from_fork+0x31/0x70 [ 9710.432396][ T10] ret_from_fork_asm+0x1a/0x30 [ 9710.432396][ T10] [ 9710.434317][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9710.434317][ T10] netdev_get_by_index+0x5e/0x80 [ 9710.434317][ T10] fib6_nh_init+0x3d8/0x1580 [ 9710.434317][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9710.434317][ T10] ip6_route_add+0x1c/0x140 [ 9710.434317][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9710.434317][ T10] inet6_addr_add+0x4f8/0xa40 [ 9710.434317][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9710.434317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9710.434317][ T10] netlink_rcv_skb+0x130/0x360 [ 9710.434317][ T10] netlink_unicast+0x449/0x710 [ 9710.434317][ T10] netlink_sendmsg+0x723/0xbe0 [ 9710.434317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9710.434317][ T10] ___sys_sendmsg+0xee/0x170 [ 9710.434317][ T10] __sys_sendmsg+0xcd/0x170 [ 9710.434317][ T10] do_syscall_64+0xc6/0x1e0 [ 9710.434317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9710.434317][ T10] [ 9710.436498][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9710.436498][ T10] netdev_get_by_index+0x5e/0x80 [ 9710.436498][ T10] fib6_nh_init+0x3d8/0x1580 [ 9710.436498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9710.436498][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9710.436498][ T10] ipv6_add_addr+0x411/0x2000 [ 9710.436498][ T10] inet6_addr_add+0x30e/0xa40 [ 9710.436498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9710.436498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9710.436498][ T10] netlink_rcv_skb+0x130/0x360 [ 9710.436498][ T10] netlink_unicast+0x449/0x710 [ 9710.436498][ T10] netlink_sendmsg+0x723/0xbe0 [ 9710.436498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9710.436498][ T10] ___sys_sendmsg+0xee/0x170 [ 9710.436498][ T10] __sys_sendmsg+0xcd/0x170 [ 9710.436498][ T10] do_syscall_64+0xc6/0x1e0 [ 9710.436498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9710.436498][ T10] [ 9710.438738][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9710.438738][ T10] netdev_get_by_index+0x5e/0x80 [ 9710.438738][ T10] fib6_nh_init+0x3d8/0x1580 [ 9710.438738][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9710.438738][ T10] ip6_route_add+0x1c/0x140 [ 9710.438738][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9710.438738][ T10] addrconf_add_dev+0xe2/0x170 [ 9710.438738][ T10] inet6_addr_add+0x12f/0xa40 [ 9710.438738][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9710.438738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9710.438738][ T10] netlink_rcv_skb+0x130/0x360 [ 9710.438738][ T10] netlink_unicast+0x449/0x710 [ 9710.438738][ T10] netlink_sendmsg+0x723/0xbe0 [ 9710.438738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9710.438738][ T10] ___sys_sendmsg+0xee/0x170 [ 9710.438738][ T10] __sys_sendmsg+0xcd/0x170 [ 9710.438738][ T10] do_syscall_64+0xc6/0x1e0 [ 9710.438738][ T10] [ 9710.440879][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9710.440879][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9710.440879][ T10] ipv6_find_idev+0x102/0x170 [ 9710.440879][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9710.440879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9710.440879][ T10] netlink_rcv_skb+0x130/0x360 [ 9710.440879][ T10] netlink_unicast+0x449/0x710 [ 9710.440879][ T10] netlink_sendmsg+0x723/0xbe0 [ 9710.440879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9710.440879][ T10] ___sys_sendmsg+0xee/0x170 [ 9710.440879][ T10] __sys_sendmsg+0xcd/0x170 [ 9710.440879][ T10] do_syscall_64+0xc6/0x1e0 [ 9710.440879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9710.440879][ T10] [ 9710.443120][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9710.443120][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9710.443120][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9710.443120][ T10] ipv6_find_idev+0x102/0x170 [ 9710.443120][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9710.443120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9710.443120][ T10] netlink_rcv_skb+0x130/0x360 [ 9710.443120][ T10] netlink_unicast+0x449/0x710 [ 9710.443120][ T10] netlink_sendmsg+0x723/0xbe0 [ 9710.443120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9710.443120][ T10] ___sys_sendmsg+0xee/0x170 [ 9710.443120][ T10] __sys_sendmsg+0xcd/0x170 [ 9710.443120][ T10] do_syscall_64+0xc6/0x1e0 [ 9710.443120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9710.443120][ T10] [ 9710.445107][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9710.445344][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9710.445344][ T10] netdev_get_by_index+0x5e/0x80 [ 9710.445344][ T10] fib6_nh_init+0x3d8/0x1580 [ 9710.445344][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9710.445344][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9710.445344][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9710.445344][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9710.445344][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9710.445344][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9710.445344][ T10] addrconf_dad_begin+0x310/0x670 [ 9710.445344][ T10] addrconf_dad_work+0x10b/0xab0 [ 9710.445344][ T10] process_one_work+0x84d/0x18a0 [ 9710.445344][ T10] worker_thread+0x587/0xd30 [ 9710.445344][ T10] kthread+0x28a/0x350 [ 9710.445344][ T10] ret_from_fork+0x31/0x70 [ 9710.445344][ T10] ret_from_fork_asm+0x1a/0x30 [ 9710.445344][ T10] [ 9710.447514][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9710.447514][ T10] netdev_get_by_index+0x5e/0x80 [ 9710.447514][ T10] fib6_nh_init+0x3d8/0x1580 [ 9710.447514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9710.447514][ T10] ip6_route_add+0x1c/0x140 [ 9710.447514][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9710.447514][ T10] inet6_addr_add+0x4f8/0xa40 [ 9710.447514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9710.447514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9710.447514][ T10] netlink_rcv_skb+0x130/0x360 [ 9710.447514][ T10] netlink_unicast+0x449/0x710 [ 9710.447514][ T10] netlink_sendmsg+0x723/0xbe0 [ 9710.447514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9710.447514][ T10] ___sys_sendmsg+0xee/0x170 [ 9710.447514][ T10] __sys_sendmsg+0xcd/0x170 [ 9710.447514][ T10] do_syscall_64+0xc6/0x1e0 [ 9710.447514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9710.447514][ T10] [ 9710.449694][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9710.449694][ T10] netdev_get_by_index+0x5e/0x80 [ 9710.449694][ T10] fib6_nh_init+0x3d8/0x1580 [ 9710.449694][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9710.449694][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9710.449694][ T10] ipv6_add_addr+0x411/0x2000 [ 9710.449694][ T10] inet6_addr_add+0x30e/0xa40 [ 9710.449694][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9710.449694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9710.449694][ T10] netlink_rcv_skb+0x130/0x360 [ 9710.449694][ T10] netlink_unicast+0x449/0x710 [ 9710.449694][ T10] netlink_sendmsg+0x723/0xbe0 [ 9710.449694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9710.449694][ T10] ___sys_sendmsg+0xee/0x170 [ 9710.449694][ T10] __sys_sendmsg+0xcd/0x170 [ 9710.449694][ T10] do_syscall_64+0xc6/0x1e0 [ 9710.449694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9710.449694][ T10] [ 9710.451955][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9710.451955][ T10] netdev_get_by_index+0x5e/0x80 [ 9710.451955][ T10] fib6_nh_init+0x3d8/0x1580 [ 9710.451955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9710.451955][ T10] ip6_route_add+0x1c/0x140 [ 9710.451955][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9710.451955][ T10] addrconf_add_dev+0xe2/0x170 [ 9710.451955][ T10] inet6_addr_add+0x12f/0xa40 [ 9710.451955][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9710.451955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9710.451955][ T10] netlink_rcv_skb+0x130/0x360 [ 9710.451955][ T10] netlink_unicast+0x449/0x710 [ 9710.451955][ T10] netlink_sendmsg+0x723/0xbe0 [ 9710.451955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9710.451955][ T10] ___sys_sendmsg+0xee/0x170 [ 9710.451955][ T10] __sys_sendmsg+0xcd/0x170 [ 9710.451955][ T10] do_syscall_64+0xc6/0x1e0 [ 9710.451955][ T10] [ 9710.454223][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9710.454223][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9710.454223][ T10] ipv6_find_idev+0x102/0x170 [ 9710.454223][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9710.454223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9710.454223][ T10] netlink_rcv_skb+0x130/0x360 [ 9710.454223][ T10] netlink_unicast+0x449/0x710 [ 9710.454223][ T10] netlink_sendmsg+0x723/0xbe0 [ 9710.454223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9710.454223][ T10] ___sys_sendmsg+0xee/0x170 [ 9710.454223][ T10] __sys_sendmsg+0xcd/0x170 [ 9710.454223][ T10] do_syscall_64+0xc6/0x1e0 [ 9710.454223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9710.454223][ T10] [ 9710.455945][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9710.455945][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9710.455945][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9710.455945][ T10] ipv6_find_idev+0x102/0x170 [ 9710.455945][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9710.455945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9710.455945][ T10] netlink_rcv_skb+0x130/0x360 [ 9710.455945][ T10] netlink_unicast+0x449/0x710 [ 9710.455945][ T10] netlink_sendmsg+0x723/0xbe0 [ 9710.455945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9710.455945][ T10] ___sys_sendmsg+0xee/0x170 [ 9710.455945][ T10] __sys_sendmsg+0xcd/0x170 [ 9710.455945][ T10] do_syscall_64+0xc6/0x1e0 [ 9710.455945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9710.455945][ T10] [ 9713.665100][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9713.665601][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9713.665601][ T1167] dst_init+0x84/0x4a0 [ 9713.665601][ T1167] dst_alloc+0x97/0x150 [ 9713.665601][ T1167] ip6_dst_alloc+0x23/0x90 [ 9713.665601][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9713.665601][ T1167] ip6_pol_route+0x56f/0x840 [ 9713.665601][ T1167] fib6_rule_lookup+0x334/0x630 [ 9713.665601][ T1167] ip6_route_output_flags+0x259/0x480 [ 9713.665601][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9713.665601][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9713.665601][ T1167] netlink_rcv_skb+0x130/0x360 [ 9713.665601][ T1167] netlink_unicast+0x449/0x710 [ 9713.665601][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9713.665601][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9713.665601][ T1167] ___sys_sendmsg+0xee/0x170 [ 9713.665601][ T1167] __sys_sendmsg+0xcd/0x170 [ 9713.665601][ T1167] do_syscall_64+0xc6/0x1e0 [ 9713.665601][ T1167] [ 9713.668206][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9713.668206][ T1167] netdev_get_by_index+0x5e/0x80 [ 9713.668206][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9713.668206][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9713.668206][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9713.668206][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9713.668206][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9713.668206][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9713.668206][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9713.668206][ T1167] addrconf_dad_begin+0x310/0x670 [ 9713.668206][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9713.668206][ T1167] process_one_work+0x84d/0x18a0 [ 9713.668206][ T1167] worker_thread+0x587/0xd30 [ 9713.668206][ T1167] kthread+0x28a/0x350 [ 9713.668206][ T1167] ret_from_fork+0x31/0x70 [ 9713.668206][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9713.668206][ T1167] [ 9713.670748][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9713.670748][ T1167] netdev_get_by_index+0x5e/0x80 [ 9713.670748][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9713.670748][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9713.670748][ T1167] ip6_route_add+0x1c/0x140 [ 9713.670748][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9713.670748][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9713.670748][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9713.670748][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9713.670748][ T1167] netlink_rcv_skb+0x130/0x360 [ 9713.670748][ T1167] netlink_unicast+0x449/0x710 [ 9713.670748][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9713.670748][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9713.670748][ T1167] ___sys_sendmsg+0xee/0x170 [ 9713.670748][ T1167] __sys_sendmsg+0xcd/0x170 [ 9713.670748][ T1167] do_syscall_64+0xc6/0x1e0 [ 9713.670748][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9713.670748][ T1167] [ 9713.673435][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9713.673435][ T1167] netdev_get_by_index+0x5e/0x80 [ 9713.673435][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9713.673435][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9713.673435][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9713.673435][ T1167] ipv6_add_addr+0x411/0x2000 [ 9713.673435][ T1167] inet6_addr_add+0x30e/0xa40 [ 9713.673435][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9713.673435][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9713.673435][ T1167] netlink_rcv_skb+0x130/0x360 [ 9713.673435][ T1167] netlink_unicast+0x449/0x710 [ 9713.673435][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9713.673435][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9713.673435][ T1167] ___sys_sendmsg+0xee/0x170 [ 9713.673435][ T1167] __sys_sendmsg+0xcd/0x170 [ 9713.673435][ T1167] do_syscall_64+0xc6/0x1e0 [ 9713.673435][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9713.673435][ T1167] [ 9713.676099][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9713.676099][ T1167] netdev_get_by_index+0x5e/0x80 [ 9713.676099][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9713.676099][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9713.676099][ T1167] ip6_route_add+0x1c/0x140 [ 9713.676099][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9713.676099][ T1167] addrconf_add_dev+0xe2/0x170 [ 9713.676099][ T1167] inet6_addr_add+0x12f/0xa40 [ 9713.676099][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9713.676099][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9713.676099][ T1167] netlink_rcv_skb+0x130/0x360 [ 9713.676099][ T1167] netlink_unicast+0x449/0x710 [ 9713.676099][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9713.676099][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9713.676099][ T1167] ___sys_sendmsg+0xee/0x170 [ 9713.676099][ T1167] __sys_sendmsg+0xcd/0x170 [ 9713.676099][ T1167] do_syscall_64+0xc6/0x1e0 [ 9713.676099][ T1167] [ 9713.678711][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9713.678711][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9713.678711][ T1167] ipv6_find_idev+0x102/0x170 [ 9713.678711][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9713.678711][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9713.678711][ T1167] netlink_rcv_skb+0x130/0x360 [ 9713.678711][ T1167] netlink_unicast+0x449/0x710 [ 9713.678711][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9713.678711][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9713.678711][ T1167] ___sys_sendmsg+0xee/0x170 [ 9713.678711][ T1167] __sys_sendmsg+0xcd/0x170 [ 9713.678711][ T1167] do_syscall_64+0xc6/0x1e0 [ 9713.678711][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9713.678711][ T1167] [ 9713.680788][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9713.680788][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9713.680788][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9713.680788][ T1167] ipv6_find_idev+0x102/0x170 [ 9713.680788][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9713.680788][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9713.680788][ T1167] netlink_rcv_skb+0x130/0x360 [ 9713.680788][ T1167] netlink_unicast+0x449/0x710 [ 9713.680788][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9713.680788][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9713.680788][ T1167] ___sys_sendmsg+0xee/0x170 [ 9713.680788][ T1167] __sys_sendmsg+0xcd/0x170 [ 9713.680788][ T1167] do_syscall_64+0xc6/0x1e0 [ 9713.680788][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9713.680788][ T1167] [ 9720.697045][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9720.697460][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9720.697460][ T10] netdev_get_by_index+0x5e/0x80 [ 9720.697460][ T10] fib6_nh_init+0x3d8/0x1580 [ 9720.697460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9720.697460][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9720.697460][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9720.697460][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9720.697460][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9720.697460][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9720.697460][ T10] addrconf_dad_begin+0x310/0x670 [ 9720.697460][ T10] addrconf_dad_work+0x10b/0xab0 [ 9720.697460][ T10] process_one_work+0x84d/0x18a0 [ 9720.697460][ T10] worker_thread+0x587/0xd30 [ 9720.697460][ T10] kthread+0x28a/0x350 [ 9720.697460][ T10] ret_from_fork+0x31/0x70 [ 9720.697460][ T10] ret_from_fork_asm+0x1a/0x30 [ 9720.697460][ T10] [ 9720.699800][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9720.699800][ T10] netdev_get_by_index+0x5e/0x80 [ 9720.699800][ T10] fib6_nh_init+0x3d8/0x1580 [ 9720.699800][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9720.699800][ T10] ip6_route_add+0x1c/0x140 [ 9720.699800][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9720.699800][ T10] inet6_addr_add+0x4f8/0xa40 [ 9720.699800][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9720.699800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9720.699800][ T10] netlink_rcv_skb+0x130/0x360 [ 9720.699800][ T10] netlink_unicast+0x449/0x710 [ 9720.699800][ T10] netlink_sendmsg+0x723/0xbe0 [ 9720.699800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9720.699800][ T10] ___sys_sendmsg+0xee/0x170 [ 9720.699800][ T10] __sys_sendmsg+0xcd/0x170 [ 9720.699800][ T10] do_syscall_64+0xc6/0x1e0 [ 9720.699800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9720.699800][ T10] [ 9720.702233][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9720.702233][ T10] netdev_get_by_index+0x5e/0x80 [ 9720.702233][ T10] fib6_nh_init+0x3d8/0x1580 [ 9720.702233][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9720.702233][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9720.702233][ T10] ipv6_add_addr+0x411/0x2000 [ 9720.702233][ T10] inet6_addr_add+0x30e/0xa40 [ 9720.702233][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9720.702233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9720.702233][ T10] netlink_rcv_skb+0x130/0x360 [ 9720.702233][ T10] netlink_unicast+0x449/0x710 [ 9720.702233][ T10] netlink_sendmsg+0x723/0xbe0 [ 9720.702233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9720.702233][ T10] ___sys_sendmsg+0xee/0x170 [ 9720.702233][ T10] __sys_sendmsg+0xcd/0x170 [ 9720.702233][ T10] do_syscall_64+0xc6/0x1e0 [ 9720.702233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9720.702233][ T10] [ 9720.704666][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9720.704666][ T10] netdev_get_by_index+0x5e/0x80 [ 9720.704666][ T10] fib6_nh_init+0x3d8/0x1580 [ 9720.704666][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9720.704666][ T10] ip6_route_add+0x1c/0x140 [ 9720.704666][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9720.704666][ T10] addrconf_add_dev+0xe2/0x170 [ 9720.704666][ T10] inet6_addr_add+0x12f/0xa40 [ 9720.704666][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9720.704666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9720.704666][ T10] netlink_rcv_skb+0x130/0x360 [ 9720.704666][ T10] netlink_unicast+0x449/0x710 [ 9720.704666][ T10] netlink_sendmsg+0x723/0xbe0 [ 9720.704666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9720.704666][ T10] ___sys_sendmsg+0xee/0x170 [ 9720.704666][ T10] __sys_sendmsg+0xcd/0x170 [ 9720.704666][ T10] do_syscall_64+0xc6/0x1e0 [ 9720.704666][ T10] [ 9720.707039][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9720.707039][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9720.707039][ T10] ipv6_find_idev+0x102/0x170 [ 9720.707039][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9720.707039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9720.707039][ T10] netlink_rcv_skb+0x130/0x360 [ 9720.707039][ T10] netlink_unicast+0x449/0x710 [ 9720.707039][ T10] netlink_sendmsg+0x723/0xbe0 [ 9720.707039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9720.707039][ T10] ___sys_sendmsg+0xee/0x170 [ 9720.707039][ T10] __sys_sendmsg+0xcd/0x170 [ 9720.707039][ T10] do_syscall_64+0xc6/0x1e0 [ 9720.707039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9720.707039][ T10] [ 9720.708892][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9720.708892][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9720.708892][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9720.708892][ T10] ipv6_find_idev+0x102/0x170 [ 9720.708892][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9720.708892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9720.708892][ T10] netlink_rcv_skb+0x130/0x360 [ 9720.708892][ T10] netlink_unicast+0x449/0x710 [ 9720.708892][ T10] netlink_sendmsg+0x723/0xbe0 [ 9720.708892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9720.708892][ T10] ___sys_sendmsg+0xee/0x170 [ 9720.708892][ T10] __sys_sendmsg+0xcd/0x170 [ 9720.708892][ T10] do_syscall_64+0xc6/0x1e0 [ 9720.708892][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9720.708892][ T10] [ 9720.710934][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9720.711242][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9720.711242][ T10] netdev_get_by_index+0x5e/0x80 [ 9720.711242][ T10] fib6_nh_init+0x3d8/0x1580 [ 9720.711242][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9720.711242][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9720.711242][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9720.711242][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9720.711242][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9720.711242][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9720.711242][ T10] addrconf_dad_begin+0x310/0x670 [ 9720.711242][ T10] addrconf_dad_work+0x10b/0xab0 [ 9720.711242][ T10] process_one_work+0x84d/0x18a0 [ 9720.711242][ T10] worker_thread+0x587/0xd30 [ 9720.711242][ T10] kthread+0x28a/0x350 [ 9720.711242][ T10] ret_from_fork+0x31/0x70 [ 9720.711242][ T10] ret_from_fork_asm+0x1a/0x30 [ 9720.711242][ T10] [ 9720.713548][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9720.713548][ T10] netdev_get_by_index+0x5e/0x80 [ 9720.713548][ T10] fib6_nh_init+0x3d8/0x1580 [ 9720.713548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9720.713548][ T10] ip6_route_add+0x1c/0x140 [ 9720.713548][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9720.713548][ T10] inet6_addr_add+0x4f8/0xa40 [ 9720.713548][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9720.713548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9720.713548][ T10] netlink_rcv_skb+0x130/0x360 [ 9720.713548][ T10] netlink_unicast+0x449/0x710 [ 9720.713548][ T10] netlink_sendmsg+0x723/0xbe0 [ 9720.713548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9720.713548][ T10] ___sys_sendmsg+0xee/0x170 [ 9720.713548][ T10] __sys_sendmsg+0xcd/0x170 [ 9720.713548][ T10] do_syscall_64+0xc6/0x1e0 [ 9720.713548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9720.713548][ T10] [ 9720.715951][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9720.715951][ T10] netdev_get_by_index+0x5e/0x80 [ 9720.715951][ T10] fib6_nh_init+0x3d8/0x1580 [ 9720.715951][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9720.715951][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9720.715951][ T10] ipv6_add_addr+0x411/0x2000 [ 9720.715951][ T10] inet6_addr_add+0x30e/0xa40 [ 9720.715951][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9720.715951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9720.715951][ T10] netlink_rcv_skb+0x130/0x360 [ 9720.715951][ T10] netlink_unicast+0x449/0x710 [ 9720.715951][ T10] netlink_sendmsg+0x723/0xbe0 [ 9720.715951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9720.715951][ T10] ___sys_sendmsg+0xee/0x170 [ 9720.715951][ T10] __sys_sendmsg+0xcd/0x170 [ 9720.715951][ T10] do_syscall_64+0xc6/0x1e0 [ 9720.715951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9720.715951][ T10] [ 9720.718353][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9720.718353][ T10] netdev_get_by_index+0x5e/0x80 [ 9720.718353][ T10] fib6_nh_init+0x3d8/0x1580 [ 9720.718353][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9720.718353][ T10] ip6_route_add+0x1c/0x140 [ 9720.718353][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9720.718353][ T10] addrconf_add_dev+0xe2/0x170 [ 9720.718353][ T10] inet6_addr_add+0x12f/0xa40 [ 9720.718353][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9720.718353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9720.718353][ T10] netlink_rcv_skb+0x130/0x360 [ 9720.718353][ T10] netlink_unicast+0x449/0x710 [ 9720.718353][ T10] netlink_sendmsg+0x723/0xbe0 [ 9720.718353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9720.718353][ T10] ___sys_sendmsg+0xee/0x170 [ 9720.718353][ T10] __sys_sendmsg+0xcd/0x170 [ 9720.718353][ T10] do_syscall_64+0xc6/0x1e0 [ 9720.718353][ T10] [ 9720.720726][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9720.720726][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9720.720726][ T10] ipv6_find_idev+0x102/0x170 [ 9720.720726][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9720.720726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9720.720726][ T10] netlink_rcv_skb+0x130/0x360 [ 9720.720726][ T10] netlink_unicast+0x449/0x710 [ 9720.720726][ T10] netlink_sendmsg+0x723/0xbe0 [ 9720.720726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9720.720726][ T10] ___sys_sendmsg+0xee/0x170 [ 9720.720726][ T10] __sys_sendmsg+0xcd/0x170 [ 9720.720726][ T10] do_syscall_64+0xc6/0x1e0 [ 9720.720726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9720.720726][ T10] [ 9720.722582][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9720.722582][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9720.722582][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9720.722582][ T10] ipv6_find_idev+0x102/0x170 [ 9720.722582][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9720.722582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9720.722582][ T10] netlink_rcv_skb+0x130/0x360 [ 9720.722582][ T10] netlink_unicast+0x449/0x710 [ 9720.722582][ T10] netlink_sendmsg+0x723/0xbe0 [ 9720.722582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9720.722582][ T10] ___sys_sendmsg+0xee/0x170 [ 9720.722582][ T10] __sys_sendmsg+0xcd/0x170 [ 9720.722582][ T10] do_syscall_64+0xc6/0x1e0 [ 9720.722582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9720.722582][ T10] [ 9720.724619][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9720.724901][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9720.724901][ T10] netdev_get_by_index+0x5e/0x80 [ 9720.724901][ T10] fib6_nh_init+0x3d8/0x1580 [ 9720.724901][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9720.724901][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9720.724901][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9720.724901][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9720.724901][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9720.724901][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9720.724901][ T10] addrconf_dad_begin+0x310/0x670 [ 9720.724901][ T10] addrconf_dad_work+0x10b/0xab0 [ 9720.724901][ T10] process_one_work+0x84d/0x18a0 [ 9720.724901][ T10] worker_thread+0x587/0xd30 [ 9720.724901][ T10] kthread+0x28a/0x350 [ 9720.724901][ T10] ret_from_fork+0x31/0x70 [ 9720.724901][ T10] ret_from_fork_asm+0x1a/0x30 [ 9720.724901][ T10] [ 9720.727202][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9720.727202][ T10] netdev_get_by_index+0x5e/0x80 [ 9720.727202][ T10] fib6_nh_init+0x3d8/0x1580 [ 9720.727202][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9720.727202][ T10] ip6_route_add+0x1c/0x140 [ 9720.727202][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9720.727202][ T10] inet6_addr_add+0x4f8/0xa40 [ 9720.727202][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9720.727202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9720.727202][ T10] netlink_rcv_skb+0x130/0x360 [ 9720.727202][ T10] netlink_unicast+0x449/0x710 [ 9720.727202][ T10] netlink_sendmsg+0x723/0xbe0 [ 9720.727202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9720.727202][ T10] ___sys_sendmsg+0xee/0x170 [ 9720.727202][ T10] __sys_sendmsg+0xcd/0x170 [ 9720.727202][ T10] do_syscall_64+0xc6/0x1e0 [ 9720.727202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9720.727202][ T10] [ 9720.729729][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9720.729729][ T10] netdev_get_by_index+0x5e/0x80 [ 9720.729729][ T10] fib6_nh_init+0x3d8/0x1580 [ 9720.729729][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9720.729729][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9720.729729][ T10] ipv6_add_addr+0x411/0x2000 [ 9720.729729][ T10] inet6_addr_add+0x30e/0xa40 [ 9720.729729][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9720.729729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9720.729729][ T10] netlink_rcv_skb+0x130/0x360 [ 9720.729729][ T10] netlink_unicast+0x449/0x710 [ 9720.729729][ T10] netlink_sendmsg+0x723/0xbe0 [ 9720.729729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9720.729729][ T10] ___sys_sendmsg+0xee/0x170 [ 9720.729729][ T10] __sys_sendmsg+0xcd/0x170 [ 9720.729729][ T10] do_syscall_64+0xc6/0x1e0 [ 9720.729729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9720.729729][ T10] [ 9720.732250][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9720.732250][ T10] netdev_get_by_index+0x5e/0x80 [ 9720.732250][ T10] fib6_nh_init+0x3d8/0x1580 [ 9720.732250][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9720.732250][ T10] ip6_route_add+0x1c/0x140 [ 9720.732250][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9720.732250][ T10] addrconf_add_dev+0xe2/0x170 [ 9720.732250][ T10] inet6_addr_add+0x12f/0xa40 [ 9720.732250][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9720.732250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9720.732250][ T10] netlink_rcv_skb+0x130/0x360 [ 9720.732250][ T10] netlink_unicast+0x449/0x710 [ 9720.732250][ T10] netlink_sendmsg+0x723/0xbe0 [ 9720.732250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9720.732250][ T10] ___sys_sendmsg+0xee/0x170 [ 9720.732250][ T10] __sys_sendmsg+0xcd/0x170 [ 9720.732250][ T10] do_syscall_64+0xc6/0x1e0 [ 9720.732250][ T10] [ 9720.734738][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9720.734738][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9720.734738][ T10] ipv6_find_idev+0x102/0x170 [ 9720.734738][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9720.734738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9720.734738][ T10] netlink_rcv_skb+0x130/0x360 [ 9720.734738][ T10] netlink_unicast+0x449/0x710 [ 9720.734738][ T10] netlink_sendmsg+0x723/0xbe0 [ 9720.734738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9720.734738][ T10] ___sys_sendmsg+0xee/0x170 [ 9720.734738][ T10] __sys_sendmsg+0xcd/0x170 [ 9720.734738][ T10] do_syscall_64+0xc6/0x1e0 [ 9720.734738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9720.734738][ T10] [ 9720.736646][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9720.736646][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9720.736646][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9720.736646][ T10] ipv6_find_idev+0x102/0x170 [ 9720.736646][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9720.736646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9720.736646][ T10] netlink_rcv_skb+0x130/0x360 [ 9720.736646][ T10] netlink_unicast+0x449/0x710 [ 9720.736646][ T10] netlink_sendmsg+0x723/0xbe0 [ 9720.736646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9720.736646][ T10] ___sys_sendmsg+0xee/0x170 [ 9720.736646][ T10] __sys_sendmsg+0xcd/0x170 [ 9720.736646][ T10] do_syscall_64+0xc6/0x1e0 [ 9720.736646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9720.736646][ T10] [ 9720.738789][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9720.739510][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9720.739510][ T10] netdev_get_by_index+0x5e/0x80 [ 9720.739510][ T10] fib6_nh_init+0x3d8/0x1580 [ 9720.739510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9720.739510][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9720.739510][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9720.739510][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9720.739510][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9720.739510][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9720.739510][ T10] addrconf_dad_begin+0x310/0x670 [ 9720.739510][ T10] addrconf_dad_work+0x10b/0xab0 [ 9720.739510][ T10] process_one_work+0x84d/0x18a0 [ 9720.739510][ T10] worker_thread+0x587/0xd30 [ 9720.739510][ T10] kthread+0x28a/0x350 [ 9720.739510][ T10] ret_from_fork+0x31/0x70 [ 9720.739510][ T10] ret_from_fork_asm+0x1a/0x30 [ 9720.739510][ T10] [ 9720.741811][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9720.741811][ T10] netdev_get_by_index+0x5e/0x80 [ 9720.741811][ T10] fib6_nh_init+0x3d8/0x1580 [ 9720.741811][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9720.741811][ T10] ip6_route_add+0x1c/0x140 [ 9720.741811][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9720.741811][ T10] inet6_addr_add+0x4f8/0xa40 [ 9720.741811][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9720.741811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9720.741811][ T10] netlink_rcv_skb+0x130/0x360 [ 9720.741811][ T10] netlink_unicast+0x449/0x710 [ 9720.741811][ T10] netlink_sendmsg+0x723/0xbe0 [ 9720.741811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9720.741811][ T10] ___sys_sendmsg+0xee/0x170 [ 9720.741811][ T10] __sys_sendmsg+0xcd/0x170 [ 9720.741811][ T10] do_syscall_64+0xc6/0x1e0 [ 9720.741811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9720.741811][ T10] [ 9720.744276][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9720.744276][ T10] netdev_get_by_index+0x5e/0x80 [ 9720.744276][ T10] fib6_nh_init+0x3d8/0x1580 [ 9720.744276][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9720.744276][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9720.744276][ T10] ipv6_add_addr+0x411/0x2000 [ 9720.744276][ T10] inet6_addr_add+0x30e/0xa40 [ 9720.744276][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9720.744276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9720.744276][ T10] netlink_rcv_skb+0x130/0x360 [ 9720.744276][ T10] netlink_unicast+0x449/0x710 [ 9720.744276][ T10] netlink_sendmsg+0x723/0xbe0 [ 9720.744276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9720.744276][ T10] ___sys_sendmsg+0xee/0x170 [ 9720.744276][ T10] __sys_sendmsg+0xcd/0x170 [ 9720.744276][ T10] do_syscall_64+0xc6/0x1e0 [ 9720.744276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9720.744276][ T10] [ 9720.746814][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9720.746814][ T10] netdev_get_by_index+0x5e/0x80 [ 9720.746814][ T10] fib6_nh_init+0x3d8/0x1580 [ 9720.746814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9720.746814][ T10] ip6_route_add+0x1c/0x140 [ 9720.746814][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9720.746814][ T10] addrconf_add_dev+0xe2/0x170 [ 9720.746814][ T10] inet6_addr_add+0x12f/0xa40 [ 9720.746814][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9720.746814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9720.746814][ T10] netlink_rcv_skb+0x130/0x360 [ 9720.746814][ T10] netlink_unicast+0x449/0x710 [ 9720.746814][ T10] netlink_sendmsg+0x723/0xbe0 [ 9720.746814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9720.746814][ T10] ___sys_sendmsg+0xee/0x170 [ 9720.746814][ T10] __sys_sendmsg+0xcd/0x170 [ 9720.746814][ T10] do_syscall_64+0xc6/0x1e0 [ 9720.746814][ T10] [ 9720.749304][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9720.749304][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9720.749304][ T10] ipv6_find_idev+0x102/0x170 [ 9720.749304][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9720.749304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9720.749304][ T10] netlink_rcv_skb+0x130/0x360 [ 9720.749304][ T10] netlink_unicast+0x449/0x710 [ 9720.749304][ T10] netlink_sendmsg+0x723/0xbe0 [ 9720.749304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9720.749304][ T10] ___sys_sendmsg+0xee/0x170 [ 9720.749304][ T10] __sys_sendmsg+0xcd/0x170 [ 9720.749304][ T10] do_syscall_64+0xc6/0x1e0 [ 9720.749304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9720.749304][ T10] [ 9720.751226][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9720.751226][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9720.751226][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9720.751226][ T10] ipv6_find_idev+0x102/0x170 [ 9720.751226][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9720.751226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9720.751226][ T10] netlink_rcv_skb+0x130/0x360 [ 9720.751226][ T10] netlink_unicast+0x449/0x710 [ 9720.751226][ T10] netlink_sendmsg+0x723/0xbe0 [ 9720.751226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9720.751226][ T10] ___sys_sendmsg+0xee/0x170 [ 9720.751226][ T10] __sys_sendmsg+0xcd/0x170 [ 9720.751226][ T10] do_syscall_64+0xc6/0x1e0 [ 9720.751226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9720.751226][ T10] [ 9723.937105][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9723.937539][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9723.937539][ T1167] dst_init+0x84/0x4a0 [ 9723.937539][ T1167] dst_alloc+0x97/0x150 [ 9723.937539][ T1167] ip6_dst_alloc+0x23/0x90 [ 9723.937539][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9723.937539][ T1167] ip6_pol_route+0x56f/0x840 [ 9723.937539][ T1167] fib6_rule_lookup+0x334/0x630 [ 9723.937539][ T1167] ip6_route_output_flags+0x259/0x480 [ 9723.937539][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9723.937539][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9723.937539][ T1167] netlink_rcv_skb+0x130/0x360 [ 9723.937539][ T1167] netlink_unicast+0x449/0x710 [ 9723.937539][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9723.937539][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9723.937539][ T1167] ___sys_sendmsg+0xee/0x170 [ 9723.937539][ T1167] __sys_sendmsg+0xcd/0x170 [ 9723.937539][ T1167] do_syscall_64+0xc6/0x1e0 [ 9723.937539][ T1167] [ 9723.939896][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9723.939896][ T1167] netdev_get_by_index+0x5e/0x80 [ 9723.939896][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9723.939896][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9723.939896][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9723.939896][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9723.939896][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9723.939896][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9723.939896][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9723.939896][ T1167] addrconf_dad_begin+0x310/0x670 [ 9723.939896][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9723.939896][ T1167] process_one_work+0x84d/0x18a0 [ 9723.939896][ T1167] worker_thread+0x587/0xd30 [ 9723.939896][ T1167] kthread+0x28a/0x350 [ 9723.939896][ T1167] ret_from_fork+0x31/0x70 [ 9723.939896][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9723.939896][ T1167] [ 9723.942209][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9723.942209][ T1167] netdev_get_by_index+0x5e/0x80 [ 9723.942209][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9723.942209][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9723.942209][ T1167] ip6_route_add+0x1c/0x140 [ 9723.942209][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9723.942209][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9723.942209][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9723.942209][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9723.942209][ T1167] netlink_rcv_skb+0x130/0x360 [ 9723.942209][ T1167] netlink_unicast+0x449/0x710 [ 9723.942209][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9723.942209][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9723.942209][ T1167] ___sys_sendmsg+0xee/0x170 [ 9723.942209][ T1167] __sys_sendmsg+0xcd/0x170 [ 9723.942209][ T1167] do_syscall_64+0xc6/0x1e0 [ 9723.942209][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9723.942209][ T1167] [ 9723.944738][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9723.944738][ T1167] netdev_get_by_index+0x5e/0x80 [ 9723.944738][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9723.944738][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9723.944738][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9723.944738][ T1167] ipv6_add_addr+0x411/0x2000 [ 9723.944738][ T1167] inet6_addr_add+0x30e/0xa40 [ 9723.944738][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9723.944738][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9723.944738][ T1167] netlink_rcv_skb+0x130/0x360 [ 9723.944738][ T1167] netlink_unicast+0x449/0x710 [ 9723.944738][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9723.944738][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9723.944738][ T1167] ___sys_sendmsg+0xee/0x170 [ 9723.944738][ T1167] __sys_sendmsg+0xcd/0x170 [ 9723.944738][ T1167] do_syscall_64+0xc6/0x1e0 [ 9723.944738][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9723.944738][ T1167] [ 9723.947170][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9723.947170][ T1167] netdev_get_by_index+0x5e/0x80 [ 9723.947170][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9723.947170][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9723.947170][ T1167] ip6_route_add+0x1c/0x140 [ 9723.947170][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9723.947170][ T1167] addrconf_add_dev+0xe2/0x170 [ 9723.947170][ T1167] inet6_addr_add+0x12f/0xa40 [ 9723.947170][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9723.947170][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9723.947170][ T1167] netlink_rcv_skb+0x130/0x360 [ 9723.947170][ T1167] netlink_unicast+0x449/0x710 [ 9723.947170][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9723.947170][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9723.947170][ T1167] ___sys_sendmsg+0xee/0x170 [ 9723.947170][ T1167] __sys_sendmsg+0xcd/0x170 [ 9723.947170][ T1167] do_syscall_64+0xc6/0x1e0 [ 9723.947170][ T1167] [ 9723.949379][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9723.949379][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9723.949379][ T1167] ipv6_find_idev+0x102/0x170 [ 9723.949379][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9723.949379][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9723.949379][ T1167] netlink_rcv_skb+0x130/0x360 [ 9723.949379][ T1167] netlink_unicast+0x449/0x710 [ 9723.949379][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9723.949379][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9723.949379][ T1167] ___sys_sendmsg+0xee/0x170 [ 9723.949379][ T1167] __sys_sendmsg+0xcd/0x170 [ 9723.949379][ T1167] do_syscall_64+0xc6/0x1e0 [ 9723.949379][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9723.949379][ T1167] [ 9723.951107][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9723.951107][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9723.951107][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9723.951107][ T1167] ipv6_find_idev+0x102/0x170 [ 9723.951107][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9723.951107][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9723.951107][ T1167] netlink_rcv_skb+0x130/0x360 [ 9723.951107][ T1167] netlink_unicast+0x449/0x710 [ 9723.951107][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9723.951107][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9723.951107][ T1167] ___sys_sendmsg+0xee/0x170 [ 9723.951107][ T1167] __sys_sendmsg+0xcd/0x170 [ 9723.951107][ T1167] do_syscall_64+0xc6/0x1e0 [ 9723.951107][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9723.951107][ T1167] [ 9730.993045][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9730.993489][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9730.993489][ T10] netdev_get_by_index+0x5e/0x80 [ 9730.993489][ T10] fib6_nh_init+0x3d8/0x1580 [ 9730.993489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9730.993489][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9730.993489][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9730.993489][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9730.993489][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9730.993489][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9730.993489][ T10] addrconf_dad_begin+0x310/0x670 [ 9730.993489][ T10] addrconf_dad_work+0x10b/0xab0 [ 9730.993489][ T10] process_one_work+0x84d/0x18a0 [ 9730.993489][ T10] worker_thread+0x587/0xd30 [ 9730.993489][ T10] kthread+0x28a/0x350 [ 9730.993489][ T10] ret_from_fork+0x31/0x70 [ 9730.993489][ T10] ret_from_fork_asm+0x1a/0x30 [ 9730.993489][ T10] [ 9730.995443][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9730.995443][ T10] netdev_get_by_index+0x5e/0x80 [ 9730.995443][ T10] fib6_nh_init+0x3d8/0x1580 [ 9730.995443][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9730.995443][ T10] ip6_route_add+0x1c/0x140 [ 9730.995443][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9730.995443][ T10] inet6_addr_add+0x4f8/0xa40 [ 9730.995443][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9730.995443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9730.995443][ T10] netlink_rcv_skb+0x130/0x360 [ 9730.995443][ T10] netlink_unicast+0x449/0x710 [ 9730.995443][ T10] netlink_sendmsg+0x723/0xbe0 [ 9730.995443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9730.995443][ T10] ___sys_sendmsg+0xee/0x170 [ 9730.995443][ T10] __sys_sendmsg+0xcd/0x170 [ 9730.995443][ T10] do_syscall_64+0xc6/0x1e0 [ 9730.995443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9730.995443][ T10] [ 9730.997451][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9730.997451][ T10] netdev_get_by_index+0x5e/0x80 [ 9730.997451][ T10] fib6_nh_init+0x3d8/0x1580 [ 9730.997451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9730.997451][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9730.997451][ T10] ipv6_add_addr+0x411/0x2000 [ 9730.997451][ T10] inet6_addr_add+0x30e/0xa40 [ 9730.997451][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9730.997451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9730.997451][ T10] netlink_rcv_skb+0x130/0x360 [ 9730.997451][ T10] netlink_unicast+0x449/0x710 [ 9730.997451][ T10] netlink_sendmsg+0x723/0xbe0 [ 9730.997451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9730.997451][ T10] ___sys_sendmsg+0xee/0x170 [ 9730.997451][ T10] __sys_sendmsg+0xcd/0x170 [ 9730.997451][ T10] do_syscall_64+0xc6/0x1e0 [ 9730.997451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9730.997451][ T10] [ 9730.999457][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9730.999457][ T10] netdev_get_by_index+0x5e/0x80 [ 9730.999457][ T10] fib6_nh_init+0x3d8/0x1580 [ 9730.999457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9730.999457][ T10] ip6_route_add+0x1c/0x140 [ 9730.999457][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9730.999457][ T10] addrconf_add_dev+0xe2/0x170 [ 9730.999457][ T10] inet6_addr_add+0x12f/0xa40 [ 9730.999457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9730.999457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9730.999457][ T10] netlink_rcv_skb+0x130/0x360 [ 9730.999457][ T10] netlink_unicast+0x449/0x710 [ 9730.999457][ T10] netlink_sendmsg+0x723/0xbe0 [ 9730.999457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9730.999457][ T10] ___sys_sendmsg+0xee/0x170 [ 9730.999457][ T10] __sys_sendmsg+0xcd/0x170 [ 9730.999457][ T10] do_syscall_64+0xc6/0x1e0 [ 9730.999457][ T10] [ 9731.001435][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9731.001435][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9731.001435][ T10] ipv6_find_idev+0x102/0x170 [ 9731.001435][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9731.001435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9731.001435][ T10] netlink_rcv_skb+0x130/0x360 [ 9731.001435][ T10] netlink_unicast+0x449/0x710 [ 9731.001435][ T10] netlink_sendmsg+0x723/0xbe0 [ 9731.001435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9731.001435][ T10] ___sys_sendmsg+0xee/0x170 [ 9731.001435][ T10] __sys_sendmsg+0xcd/0x170 [ 9731.001435][ T10] do_syscall_64+0xc6/0x1e0 [ 9731.001435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9731.001435][ T10] [ 9731.002999][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9731.002999][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9731.002999][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9731.002999][ T10] ipv6_find_idev+0x102/0x170 [ 9731.002999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9731.002999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9731.002999][ T10] netlink_rcv_skb+0x130/0x360 [ 9731.002999][ T10] netlink_unicast+0x449/0x710 [ 9731.002999][ T10] netlink_sendmsg+0x723/0xbe0 [ 9731.002999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9731.002999][ T10] ___sys_sendmsg+0xee/0x170 [ 9731.002999][ T10] __sys_sendmsg+0xcd/0x170 [ 9731.002999][ T10] do_syscall_64+0xc6/0x1e0 [ 9731.002999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9731.002999][ T10] [ 9731.004700][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9731.004949][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9731.004949][ T10] netdev_get_by_index+0x5e/0x80 [ 9731.004949][ T10] fib6_nh_init+0x3d8/0x1580 [ 9731.004949][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9731.004949][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9731.004949][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9731.004949][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9731.004949][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9731.004949][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9731.004949][ T10] addrconf_dad_begin+0x310/0x670 [ 9731.004949][ T10] addrconf_dad_work+0x10b/0xab0 [ 9731.004949][ T10] process_one_work+0x84d/0x18a0 [ 9731.004949][ T10] worker_thread+0x587/0xd30 [ 9731.004949][ T10] kthread+0x28a/0x350 [ 9731.004949][ T10] ret_from_fork+0x31/0x70 [ 9731.004949][ T10] ret_from_fork_asm+0x1a/0x30 [ 9731.004949][ T10] [ 9731.006867][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9731.006867][ T10] netdev_get_by_index+0x5e/0x80 [ 9731.006867][ T10] fib6_nh_init+0x3d8/0x1580 [ 9731.006867][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9731.006867][ T10] ip6_route_add+0x1c/0x140 [ 9731.006867][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9731.006867][ T10] inet6_addr_add+0x4f8/0xa40 [ 9731.006867][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9731.006867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9731.006867][ T10] netlink_rcv_skb+0x130/0x360 [ 9731.006867][ T10] netlink_unicast+0x449/0x710 [ 9731.006867][ T10] netlink_sendmsg+0x723/0xbe0 [ 9731.006867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9731.006867][ T10] ___sys_sendmsg+0xee/0x170 [ 9731.006867][ T10] __sys_sendmsg+0xcd/0x170 [ 9731.006867][ T10] do_syscall_64+0xc6/0x1e0 [ 9731.006867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9731.006867][ T10] [ 9731.008877][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9731.008877][ T10] netdev_get_by_index+0x5e/0x80 [ 9731.008877][ T10] fib6_nh_init+0x3d8/0x1580 [ 9731.008877][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9731.008877][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9731.008877][ T10] ipv6_add_addr+0x411/0x2000 [ 9731.008877][ T10] inet6_addr_add+0x30e/0xa40 [ 9731.008877][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9731.008877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9731.008877][ T10] netlink_rcv_skb+0x130/0x360 [ 9731.008877][ T10] netlink_unicast+0x449/0x710 [ 9731.008877][ T10] netlink_sendmsg+0x723/0xbe0 [ 9731.008877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9731.008877][ T10] ___sys_sendmsg+0xee/0x170 [ 9731.008877][ T10] __sys_sendmsg+0xcd/0x170 [ 9731.008877][ T10] do_syscall_64+0xc6/0x1e0 [ 9731.008877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9731.008877][ T10] [ 9731.010880][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9731.010880][ T10] netdev_get_by_index+0x5e/0x80 [ 9731.010880][ T10] fib6_nh_init+0x3d8/0x1580 [ 9731.010880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9731.010880][ T10] ip6_route_add+0x1c/0x140 [ 9731.010880][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9731.010880][ T10] addrconf_add_dev+0xe2/0x170 [ 9731.010880][ T10] inet6_addr_add+0x12f/0xa40 [ 9731.010880][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9731.010880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9731.010880][ T10] netlink_rcv_skb+0x130/0x360 [ 9731.010880][ T10] netlink_unicast+0x449/0x710 [ 9731.010880][ T10] netlink_sendmsg+0x723/0xbe0 [ 9731.010880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9731.010880][ T10] ___sys_sendmsg+0xee/0x170 [ 9731.010880][ T10] __sys_sendmsg+0xcd/0x170 [ 9731.010880][ T10] do_syscall_64+0xc6/0x1e0 [ 9731.010880][ T10] [ 9731.012858][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9731.012858][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9731.012858][ T10] ipv6_find_idev+0x102/0x170 [ 9731.012858][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9731.012858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9731.012858][ T10] netlink_rcv_skb+0x130/0x360 [ 9731.012858][ T10] netlink_unicast+0x449/0x710 [ 9731.012858][ T10] netlink_sendmsg+0x723/0xbe0 [ 9731.012858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9731.012858][ T10] ___sys_sendmsg+0xee/0x170 [ 9731.012858][ T10] __sys_sendmsg+0xcd/0x170 [ 9731.012858][ T10] do_syscall_64+0xc6/0x1e0 [ 9731.012858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9731.012858][ T10] [ 9731.014399][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9731.014399][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9731.014399][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9731.014399][ T10] ipv6_find_idev+0x102/0x170 [ 9731.014399][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9731.014399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9731.014399][ T10] netlink_rcv_skb+0x130/0x360 [ 9731.014399][ T10] netlink_unicast+0x449/0x710 [ 9731.014399][ T10] netlink_sendmsg+0x723/0xbe0 [ 9731.014399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9731.014399][ T10] ___sys_sendmsg+0xee/0x170 [ 9731.014399][ T10] __sys_sendmsg+0xcd/0x170 [ 9731.014399][ T10] do_syscall_64+0xc6/0x1e0 [ 9731.014399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9731.014399][ T10] [ 9731.016101][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9731.016340][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9731.016340][ T10] netdev_get_by_index+0x5e/0x80 [ 9731.016340][ T10] fib6_nh_init+0x3d8/0x1580 [ 9731.016340][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9731.016340][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9731.016340][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9731.016340][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9731.016340][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9731.016340][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9731.016340][ T10] addrconf_dad_begin+0x310/0x670 [ 9731.016340][ T10] addrconf_dad_work+0x10b/0xab0 [ 9731.016340][ T10] process_one_work+0x84d/0x18a0 [ 9731.016340][ T10] worker_thread+0x587/0xd30 [ 9731.016340][ T10] kthread+0x28a/0x350 [ 9731.016340][ T10] ret_from_fork+0x31/0x70 [ 9731.016340][ T10] ret_from_fork_asm+0x1a/0x30 [ 9731.016340][ T10] [ 9731.018259][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9731.018259][ T10] netdev_get_by_index+0x5e/0x80 [ 9731.018259][ T10] fib6_nh_init+0x3d8/0x1580 [ 9731.018259][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9731.018259][ T10] ip6_route_add+0x1c/0x140 [ 9731.018259][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9731.018259][ T10] inet6_addr_add+0x4f8/0xa40 [ 9731.018259][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9731.018259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9731.018259][ T10] netlink_rcv_skb+0x130/0x360 [ 9731.018259][ T10] netlink_unicast+0x449/0x710 [ 9731.018259][ T10] netlink_sendmsg+0x723/0xbe0 [ 9731.018259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9731.018259][ T10] ___sys_sendmsg+0xee/0x170 [ 9731.018259][ T10] __sys_sendmsg+0xcd/0x170 [ 9731.018259][ T10] do_syscall_64+0xc6/0x1e0 [ 9731.018259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9731.018259][ T10] [ 9731.020332][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9731.020332][ T10] netdev_get_by_index+0x5e/0x80 [ 9731.020332][ T10] fib6_nh_init+0x3d8/0x1580 [ 9731.020332][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9731.020332][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9731.020332][ T10] ipv6_add_addr+0x411/0x2000 [ 9731.020332][ T10] inet6_addr_add+0x30e/0xa40 [ 9731.020332][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9731.020332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9731.020332][ T10] netlink_rcv_skb+0x130/0x360 [ 9731.020332][ T10] netlink_unicast+0x449/0x710 [ 9731.020332][ T10] netlink_sendmsg+0x723/0xbe0 [ 9731.020332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9731.020332][ T10] ___sys_sendmsg+0xee/0x170 [ 9731.020332][ T10] __sys_sendmsg+0xcd/0x170 [ 9731.020332][ T10] do_syscall_64+0xc6/0x1e0 [ 9731.020332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9731.020332][ T10] [ 9731.022472][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9731.022472][ T10] netdev_get_by_index+0x5e/0x80 [ 9731.022472][ T10] fib6_nh_init+0x3d8/0x1580 [ 9731.022472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9731.022472][ T10] ip6_route_add+0x1c/0x140 [ 9731.022472][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9731.022472][ T10] addrconf_add_dev+0xe2/0x170 [ 9731.022472][ T10] inet6_addr_add+0x12f/0xa40 [ 9731.022472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9731.022472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9731.022472][ T10] netlink_rcv_skb+0x130/0x360 [ 9731.022472][ T10] netlink_unicast+0x449/0x710 [ 9731.022472][ T10] netlink_sendmsg+0x723/0xbe0 [ 9731.022472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9731.022472][ T10] ___sys_sendmsg+0xee/0x170 [ 9731.022472][ T10] __sys_sendmsg+0xcd/0x170 [ 9731.022472][ T10] do_syscall_64+0xc6/0x1e0 [ 9731.022472][ T10] [ 9731.024521][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9731.024521][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9731.024521][ T10] ipv6_find_idev+0x102/0x170 [ 9731.024521][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9731.024521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9731.024521][ T10] netlink_rcv_skb+0x130/0x360 [ 9731.024521][ T10] netlink_unicast+0x449/0x710 [ 9731.024521][ T10] netlink_sendmsg+0x723/0xbe0 [ 9731.024521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9731.024521][ T10] ___sys_sendmsg+0xee/0x170 [ 9731.024521][ T10] __sys_sendmsg+0xcd/0x170 [ 9731.024521][ T10] do_syscall_64+0xc6/0x1e0 [ 9731.024521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9731.024521][ T10] [ 9731.026129][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9731.026129][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9731.026129][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9731.026129][ T10] ipv6_find_idev+0x102/0x170 [ 9731.026129][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9731.026129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9731.026129][ T10] netlink_rcv_skb+0x130/0x360 [ 9731.026129][ T10] netlink_unicast+0x449/0x710 [ 9731.026129][ T10] netlink_sendmsg+0x723/0xbe0 [ 9731.026129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9731.026129][ T10] ___sys_sendmsg+0xee/0x170 [ 9731.026129][ T10] __sys_sendmsg+0xcd/0x170 [ 9731.026129][ T10] do_syscall_64+0xc6/0x1e0 [ 9731.026129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9731.026129][ T10] [ 9731.028254][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9731.028536][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9731.028536][ T10] netdev_get_by_index+0x5e/0x80 [ 9731.028536][ T10] fib6_nh_init+0x3d8/0x1580 [ 9731.028536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9731.028536][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9731.028536][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9731.028536][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9731.028536][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9731.028536][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9731.028536][ T10] addrconf_dad_begin+0x310/0x670 [ 9731.028536][ T10] addrconf_dad_work+0x10b/0xab0 [ 9731.028536][ T10] process_one_work+0x84d/0x18a0 [ 9731.028536][ T10] worker_thread+0x587/0xd30 [ 9731.028536][ T10] kthread+0x28a/0x350 [ 9731.028536][ T10] ret_from_fork+0x31/0x70 [ 9731.028536][ T10] ret_from_fork_asm+0x1a/0x30 [ 9731.028536][ T10] [ 9731.030984][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9731.030984][ T10] netdev_get_by_index+0x5e/0x80 [ 9731.030984][ T10] fib6_nh_init+0x3d8/0x1580 [ 9731.030984][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9731.030984][ T10] ip6_route_add+0x1c/0x140 [ 9731.030984][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9731.030984][ T10] inet6_addr_add+0x4f8/0xa40 [ 9731.030984][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9731.030984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9731.030984][ T10] netlink_rcv_skb+0x130/0x360 [ 9731.030984][ T10] netlink_unicast+0x449/0x710 [ 9731.030984][ T10] netlink_sendmsg+0x723/0xbe0 [ 9731.030984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9731.030984][ T10] ___sys_sendmsg+0xee/0x170 [ 9731.030984][ T10] __sys_sendmsg+0xcd/0x170 [ 9731.030984][ T10] do_syscall_64+0xc6/0x1e0 [ 9731.030984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9731.030984][ T10] [ 9731.033480][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9731.033480][ T10] netdev_get_by_index+0x5e/0x80 [ 9731.033480][ T10] fib6_nh_init+0x3d8/0x1580 [ 9731.033480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9731.033480][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9731.033480][ T10] ipv6_add_addr+0x411/0x2000 [ 9731.033480][ T10] inet6_addr_add+0x30e/0xa40 [ 9731.033480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9731.033480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9731.033480][ T10] netlink_rcv_skb+0x130/0x360 [ 9731.033480][ T10] netlink_unicast+0x449/0x710 [ 9731.033480][ T10] netlink_sendmsg+0x723/0xbe0 [ 9731.033480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9731.033480][ T10] ___sys_sendmsg+0xee/0x170 [ 9731.033480][ T10] __sys_sendmsg+0xcd/0x170 [ 9731.033480][ T10] do_syscall_64+0xc6/0x1e0 [ 9731.033480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9731.033480][ T10] [ 9731.035961][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9731.035961][ T10] netdev_get_by_index+0x5e/0x80 [ 9731.035961][ T10] fib6_nh_init+0x3d8/0x1580 [ 9731.035961][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9731.035961][ T10] ip6_route_add+0x1c/0x140 [ 9731.035961][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9731.035961][ T10] addrconf_add_dev+0xe2/0x170 [ 9731.035961][ T10] inet6_addr_add+0x12f/0xa40 [ 9731.035961][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9731.035961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9731.035961][ T10] netlink_rcv_skb+0x130/0x360 [ 9731.035961][ T10] netlink_unicast+0x449/0x710 [ 9731.035961][ T10] netlink_sendmsg+0x723/0xbe0 [ 9731.035961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9731.035961][ T10] ___sys_sendmsg+0xee/0x170 [ 9731.035961][ T10] __sys_sendmsg+0xcd/0x170 [ 9731.035961][ T10] do_syscall_64+0xc6/0x1e0 [ 9731.035961][ T10] [ 9731.038406][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9731.038406][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9731.038406][ T10] ipv6_find_idev+0x102/0x170 [ 9731.038406][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9731.038406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9731.038406][ T10] netlink_rcv_skb+0x130/0x360 [ 9731.038406][ T10] netlink_unicast+0x449/0x710 [ 9731.038406][ T10] netlink_sendmsg+0x723/0xbe0 [ 9731.038406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9731.038406][ T10] ___sys_sendmsg+0xee/0x170 [ 9731.038406][ T10] __sys_sendmsg+0xcd/0x170 [ 9731.038406][ T10] do_syscall_64+0xc6/0x1e0 [ 9731.038406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9731.038406][ T10] [ 9731.040333][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9731.040333][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9731.040333][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9731.040333][ T10] ipv6_find_idev+0x102/0x170 [ 9731.040333][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9731.040333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9731.040333][ T10] netlink_rcv_skb+0x130/0x360 [ 9731.040333][ T10] netlink_unicast+0x449/0x710 [ 9731.040333][ T10] netlink_sendmsg+0x723/0xbe0 [ 9731.040333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9731.040333][ T10] ___sys_sendmsg+0xee/0x170 [ 9731.040333][ T10] __sys_sendmsg+0xcd/0x170 [ 9731.040333][ T10] do_syscall_64+0xc6/0x1e0 [ 9731.040333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9731.040333][ T10] [ 9734.201178][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9734.201663][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9734.201663][ T1167] dst_init+0x84/0x4a0 [ 9734.201663][ T1167] dst_alloc+0x97/0x150 [ 9734.201663][ T1167] ip6_dst_alloc+0x23/0x90 [ 9734.201663][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9734.201663][ T1167] ip6_pol_route+0x56f/0x840 [ 9734.201663][ T1167] fib6_rule_lookup+0x334/0x630 [ 9734.201663][ T1167] ip6_route_output_flags+0x259/0x480 [ 9734.201663][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9734.201663][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9734.201663][ T1167] netlink_rcv_skb+0x130/0x360 [ 9734.201663][ T1167] netlink_unicast+0x449/0x710 [ 9734.201663][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9734.201663][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9734.201663][ T1167] ___sys_sendmsg+0xee/0x170 [ 9734.201663][ T1167] __sys_sendmsg+0xcd/0x170 [ 9734.201663][ T1167] do_syscall_64+0xc6/0x1e0 [ 9734.201663][ T1167] [ 9734.204041][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9734.204041][ T1167] netdev_get_by_index+0x5e/0x80 [ 9734.204041][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9734.204041][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9734.204041][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9734.204041][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9734.204041][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9734.204041][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9734.204041][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9734.204041][ T1167] addrconf_dad_begin+0x310/0x670 [ 9734.204041][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9734.204041][ T1167] process_one_work+0x84d/0x18a0 [ 9734.204041][ T1167] worker_thread+0x587/0xd30 [ 9734.204041][ T1167] kthread+0x28a/0x350 [ 9734.204041][ T1167] ret_from_fork+0x31/0x70 [ 9734.204041][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9734.204041][ T1167] [ 9734.206375][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9734.206375][ T1167] netdev_get_by_index+0x5e/0x80 [ 9734.206375][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9734.206375][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9734.206375][ T1167] ip6_route_add+0x1c/0x140 [ 9734.206375][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9734.206375][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9734.206375][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9734.206375][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9734.206375][ T1167] netlink_rcv_skb+0x130/0x360 [ 9734.206375][ T1167] netlink_unicast+0x449/0x710 [ 9734.206375][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9734.206375][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9734.206375][ T1167] ___sys_sendmsg+0xee/0x170 [ 9734.206375][ T1167] __sys_sendmsg+0xcd/0x170 [ 9734.206375][ T1167] do_syscall_64+0xc6/0x1e0 [ 9734.206375][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9734.206375][ T1167] [ 9734.208795][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9734.208795][ T1167] netdev_get_by_index+0x5e/0x80 [ 9734.208795][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9734.208795][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9734.208795][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9734.208795][ T1167] ipv6_add_addr+0x411/0x2000 [ 9734.208795][ T1167] inet6_addr_add+0x30e/0xa40 [ 9734.208795][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9734.208795][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9734.208795][ T1167] netlink_rcv_skb+0x130/0x360 [ 9734.208795][ T1167] netlink_unicast+0x449/0x710 [ 9734.208795][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9734.208795][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9734.208795][ T1167] ___sys_sendmsg+0xee/0x170 [ 9734.208795][ T1167] __sys_sendmsg+0xcd/0x170 [ 9734.208795][ T1167] do_syscall_64+0xc6/0x1e0 [ 9734.208795][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9734.208795][ T1167] [ 9734.211204][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9734.211204][ T1167] netdev_get_by_index+0x5e/0x80 [ 9734.211204][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9734.211204][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9734.211204][ T1167] ip6_route_add+0x1c/0x140 [ 9734.211204][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9734.211204][ T1167] addrconf_add_dev+0xe2/0x170 [ 9734.211204][ T1167] inet6_addr_add+0x12f/0xa40 [ 9734.211204][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9734.211204][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9734.211204][ T1167] netlink_rcv_skb+0x130/0x360 [ 9734.211204][ T1167] netlink_unicast+0x449/0x710 [ 9734.211204][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9734.211204][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9734.211204][ T1167] ___sys_sendmsg+0xee/0x170 [ 9734.211204][ T1167] __sys_sendmsg+0xcd/0x170 [ 9734.211204][ T1167] do_syscall_64+0xc6/0x1e0 [ 9734.211204][ T1167] [ 9734.213581][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9734.213581][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9734.213581][ T1167] ipv6_find_idev+0x102/0x170 [ 9734.213581][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9734.213581][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9734.213581][ T1167] netlink_rcv_skb+0x130/0x360 [ 9734.213581][ T1167] netlink_unicast+0x449/0x710 [ 9734.213581][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9734.213581][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9734.213581][ T1167] ___sys_sendmsg+0xee/0x170 [ 9734.213581][ T1167] __sys_sendmsg+0xcd/0x170 [ 9734.213581][ T1167] do_syscall_64+0xc6/0x1e0 [ 9734.213581][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9734.213581][ T1167] [ 9734.215436][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9734.215436][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9734.215436][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9734.215436][ T1167] ipv6_find_idev+0x102/0x170 [ 9734.215436][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9734.215436][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9734.215436][ T1167] netlink_rcv_skb+0x130/0x360 [ 9734.215436][ T1167] netlink_unicast+0x449/0x710 [ 9734.215436][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9734.215436][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9734.215436][ T1167] ___sys_sendmsg+0xee/0x170 [ 9734.215436][ T1167] __sys_sendmsg+0xcd/0x170 [ 9734.215436][ T1167] do_syscall_64+0xc6/0x1e0 [ 9734.215436][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9734.215436][ T1167] [ 9741.281047][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9741.281471][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9741.281471][ T10] netdev_get_by_index+0x5e/0x80 [ 9741.281471][ T10] fib6_nh_init+0x3d8/0x1580 [ 9741.281471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9741.281471][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9741.281471][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9741.281471][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9741.281471][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9741.281471][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9741.281471][ T10] addrconf_dad_begin+0x310/0x670 [ 9741.281471][ T10] addrconf_dad_work+0x10b/0xab0 [ 9741.281471][ T10] process_one_work+0x84d/0x18a0 [ 9741.281471][ T10] worker_thread+0x587/0xd30 [ 9741.281471][ T10] kthread+0x28a/0x350 [ 9741.281471][ T10] ret_from_fork+0x31/0x70 [ 9741.281471][ T10] ret_from_fork_asm+0x1a/0x30 [ 9741.281471][ T10] [ 9741.283418][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9741.283418][ T10] netdev_get_by_index+0x5e/0x80 [ 9741.283418][ T10] fib6_nh_init+0x3d8/0x1580 [ 9741.283418][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9741.283418][ T10] ip6_route_add+0x1c/0x140 [ 9741.283418][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9741.283418][ T10] inet6_addr_add+0x4f8/0xa40 [ 9741.283418][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9741.283418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9741.283418][ T10] netlink_rcv_skb+0x130/0x360 [ 9741.283418][ T10] netlink_unicast+0x449/0x710 [ 9741.283418][ T10] netlink_sendmsg+0x723/0xbe0 [ 9741.283418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9741.283418][ T10] ___sys_sendmsg+0xee/0x170 [ 9741.283418][ T10] __sys_sendmsg+0xcd/0x170 [ 9741.283418][ T10] do_syscall_64+0xc6/0x1e0 [ 9741.283418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9741.283418][ T10] [ 9741.285424][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9741.285424][ T10] netdev_get_by_index+0x5e/0x80 [ 9741.285424][ T10] fib6_nh_init+0x3d8/0x1580 [ 9741.285424][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9741.285424][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9741.285424][ T10] ipv6_add_addr+0x411/0x2000 [ 9741.285424][ T10] inet6_addr_add+0x30e/0xa40 [ 9741.285424][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9741.285424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9741.285424][ T10] netlink_rcv_skb+0x130/0x360 [ 9741.285424][ T10] netlink_unicast+0x449/0x710 [ 9741.285424][ T10] netlink_sendmsg+0x723/0xbe0 [ 9741.285424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9741.285424][ T10] ___sys_sendmsg+0xee/0x170 [ 9741.285424][ T10] __sys_sendmsg+0xcd/0x170 [ 9741.285424][ T10] do_syscall_64+0xc6/0x1e0 [ 9741.285424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9741.285424][ T10] [ 9741.287424][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9741.287424][ T10] netdev_get_by_index+0x5e/0x80 [ 9741.287424][ T10] fib6_nh_init+0x3d8/0x1580 [ 9741.287424][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9741.287424][ T10] ip6_route_add+0x1c/0x140 [ 9741.287424][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9741.287424][ T10] addrconf_add_dev+0xe2/0x170 [ 9741.287424][ T10] inet6_addr_add+0x12f/0xa40 [ 9741.287424][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9741.287424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9741.287424][ T10] netlink_rcv_skb+0x130/0x360 [ 9741.287424][ T10] netlink_unicast+0x449/0x710 [ 9741.287424][ T10] netlink_sendmsg+0x723/0xbe0 [ 9741.287424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9741.287424][ T10] ___sys_sendmsg+0xee/0x170 [ 9741.287424][ T10] __sys_sendmsg+0xcd/0x170 [ 9741.287424][ T10] do_syscall_64+0xc6/0x1e0 [ 9741.287424][ T10] [ 9741.289385][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9741.289385][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9741.289385][ T10] ipv6_find_idev+0x102/0x170 [ 9741.289385][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9741.289385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9741.289385][ T10] netlink_rcv_skb+0x130/0x360 [ 9741.289385][ T10] netlink_unicast+0x449/0x710 [ 9741.289385][ T10] netlink_sendmsg+0x723/0xbe0 [ 9741.289385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9741.289385][ T10] ___sys_sendmsg+0xee/0x170 [ 9741.289385][ T10] __sys_sendmsg+0xcd/0x170 [ 9741.289385][ T10] do_syscall_64+0xc6/0x1e0 [ 9741.289385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9741.289385][ T10] [ 9741.290923][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9741.290923][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9741.290923][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9741.290923][ T10] ipv6_find_idev+0x102/0x170 [ 9741.290923][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9741.290923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9741.290923][ T10] netlink_rcv_skb+0x130/0x360 [ 9741.290923][ T10] netlink_unicast+0x449/0x710 [ 9741.290923][ T10] netlink_sendmsg+0x723/0xbe0 [ 9741.290923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9741.290923][ T10] ___sys_sendmsg+0xee/0x170 [ 9741.290923][ T10] __sys_sendmsg+0xcd/0x170 [ 9741.290923][ T10] do_syscall_64+0xc6/0x1e0 [ 9741.290923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9741.290923][ T10] [ 9741.292632][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9741.292875][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9741.292875][ T10] netdev_get_by_index+0x5e/0x80 [ 9741.292875][ T10] fib6_nh_init+0x3d8/0x1580 [ 9741.292875][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9741.292875][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9741.292875][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9741.292875][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9741.292875][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9741.292875][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9741.292875][ T10] addrconf_dad_begin+0x310/0x670 [ 9741.292875][ T10] addrconf_dad_work+0x10b/0xab0 [ 9741.292875][ T10] process_one_work+0x84d/0x18a0 [ 9741.292875][ T10] worker_thread+0x587/0xd30 [ 9741.292875][ T10] kthread+0x28a/0x350 [ 9741.292875][ T10] ret_from_fork+0x31/0x70 [ 9741.292875][ T10] ret_from_fork_asm+0x1a/0x30 [ 9741.292875][ T10] [ 9741.294794][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9741.294794][ T10] netdev_get_by_index+0x5e/0x80 [ 9741.294794][ T10] fib6_nh_init+0x3d8/0x1580 [ 9741.294794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9741.294794][ T10] ip6_route_add+0x1c/0x140 [ 9741.294794][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9741.294794][ T10] inet6_addr_add+0x4f8/0xa40 [ 9741.294794][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9741.294794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9741.294794][ T10] netlink_rcv_skb+0x130/0x360 [ 9741.294794][ T10] netlink_unicast+0x449/0x710 [ 9741.294794][ T10] netlink_sendmsg+0x723/0xbe0 [ 9741.294794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9741.294794][ T10] ___sys_sendmsg+0xee/0x170 [ 9741.294794][ T10] __sys_sendmsg+0xcd/0x170 [ 9741.294794][ T10] do_syscall_64+0xc6/0x1e0 [ 9741.294794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9741.294794][ T10] [ 9741.296789][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9741.296789][ T10] netdev_get_by_index+0x5e/0x80 [ 9741.296789][ T10] fib6_nh_init+0x3d8/0x1580 [ 9741.296789][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9741.296789][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9741.296789][ T10] ipv6_add_addr+0x411/0x2000 [ 9741.296789][ T10] inet6_addr_add+0x30e/0xa40 [ 9741.296789][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9741.296789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9741.296789][ T10] netlink_rcv_skb+0x130/0x360 [ 9741.296789][ T10] netlink_unicast+0x449/0x710 [ 9741.296789][ T10] netlink_sendmsg+0x723/0xbe0 [ 9741.296789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9741.296789][ T10] ___sys_sendmsg+0xee/0x170 [ 9741.296789][ T10] __sys_sendmsg+0xcd/0x170 [ 9741.296789][ T10] do_syscall_64+0xc6/0x1e0 [ 9741.296789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9741.296789][ T10] [ 9741.298793][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9741.298793][ T10] netdev_get_by_index+0x5e/0x80 [ 9741.298793][ T10] fib6_nh_init+0x3d8/0x1580 [ 9741.298793][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9741.298793][ T10] ip6_route_add+0x1c/0x140 [ 9741.298793][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9741.298793][ T10] addrconf_add_dev+0xe2/0x170 [ 9741.298793][ T10] inet6_addr_add+0x12f/0xa40 [ 9741.298793][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9741.298793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9741.298793][ T10] netlink_rcv_skb+0x130/0x360 [ 9741.298793][ T10] netlink_unicast+0x449/0x710 [ 9741.298793][ T10] netlink_sendmsg+0x723/0xbe0 [ 9741.298793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9741.298793][ T10] ___sys_sendmsg+0xee/0x170 [ 9741.298793][ T10] __sys_sendmsg+0xcd/0x170 [ 9741.298793][ T10] do_syscall_64+0xc6/0x1e0 [ 9741.298793][ T10] [ 9741.300760][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9741.300760][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9741.300760][ T10] ipv6_find_idev+0x102/0x170 [ 9741.300760][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9741.300760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9741.300760][ T10] netlink_rcv_skb+0x130/0x360 [ 9741.300760][ T10] netlink_unicast+0x449/0x710 [ 9741.300760][ T10] netlink_sendmsg+0x723/0xbe0 [ 9741.300760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9741.300760][ T10] ___sys_sendmsg+0xee/0x170 [ 9741.300760][ T10] __sys_sendmsg+0xcd/0x170 [ 9741.300760][ T10] do_syscall_64+0xc6/0x1e0 [ 9741.300760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9741.300760][ T10] [ 9741.302306][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9741.302306][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9741.302306][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9741.302306][ T10] ipv6_find_idev+0x102/0x170 [ 9741.302306][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9741.302306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9741.302306][ T10] netlink_rcv_skb+0x130/0x360 [ 9741.302306][ T10] netlink_unicast+0x449/0x710 [ 9741.302306][ T10] netlink_sendmsg+0x723/0xbe0 [ 9741.302306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9741.302306][ T10] ___sys_sendmsg+0xee/0x170 [ 9741.302306][ T10] __sys_sendmsg+0xcd/0x170 [ 9741.302306][ T10] do_syscall_64+0xc6/0x1e0 [ 9741.302306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9741.302306][ T10] [ 9741.304007][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9741.304248][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9741.304248][ T10] netdev_get_by_index+0x5e/0x80 [ 9741.304248][ T10] fib6_nh_init+0x3d8/0x1580 [ 9741.304248][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9741.304248][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9741.304248][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9741.304248][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9741.304248][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9741.304248][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9741.304248][ T10] addrconf_dad_begin+0x310/0x670 [ 9741.304248][ T10] addrconf_dad_work+0x10b/0xab0 [ 9741.304248][ T10] process_one_work+0x84d/0x18a0 [ 9741.304248][ T10] worker_thread+0x587/0xd30 [ 9741.304248][ T10] kthread+0x28a/0x350 [ 9741.304248][ T10] ret_from_fork+0x31/0x70 [ 9741.304248][ T10] ret_from_fork_asm+0x1a/0x30 [ 9741.304248][ T10] [ 9741.306175][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9741.306175][ T10] netdev_get_by_index+0x5e/0x80 [ 9741.306175][ T10] fib6_nh_init+0x3d8/0x1580 [ 9741.306175][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9741.306175][ T10] ip6_route_add+0x1c/0x140 [ 9741.306175][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9741.306175][ T10] inet6_addr_add+0x4f8/0xa40 [ 9741.306175][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9741.306175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9741.306175][ T10] netlink_rcv_skb+0x130/0x360 [ 9741.306175][ T10] netlink_unicast+0x449/0x710 [ 9741.306175][ T10] netlink_sendmsg+0x723/0xbe0 [ 9741.306175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9741.306175][ T10] ___sys_sendmsg+0xee/0x170 [ 9741.306175][ T10] __sys_sendmsg+0xcd/0x170 [ 9741.306175][ T10] do_syscall_64+0xc6/0x1e0 [ 9741.306175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9741.306175][ T10] [ 9741.308244][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9741.308244][ T10] netdev_get_by_index+0x5e/0x80 [ 9741.308244][ T10] fib6_nh_init+0x3d8/0x1580 [ 9741.308244][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9741.308244][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9741.308244][ T10] ipv6_add_addr+0x411/0x2000 [ 9741.308244][ T10] inet6_addr_add+0x30e/0xa40 [ 9741.308244][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9741.308244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9741.308244][ T10] netlink_rcv_skb+0x130/0x360 [ 9741.308244][ T10] netlink_unicast+0x449/0x710 [ 9741.308244][ T10] netlink_sendmsg+0x723/0xbe0 [ 9741.308244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9741.308244][ T10] ___sys_sendmsg+0xee/0x170 [ 9741.308244][ T10] __sys_sendmsg+0xcd/0x170 [ 9741.308244][ T10] do_syscall_64+0xc6/0x1e0 [ 9741.308244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9741.308244][ T10] [ 9741.310491][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9741.310491][ T10] netdev_get_by_index+0x5e/0x80 [ 9741.310491][ T10] fib6_nh_init+0x3d8/0x1580 [ 9741.310491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9741.310491][ T10] ip6_route_add+0x1c/0x140 [ 9741.310491][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9741.310491][ T10] addrconf_add_dev+0xe2/0x170 [ 9741.310491][ T10] inet6_addr_add+0x12f/0xa40 [ 9741.310491][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9741.310491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9741.310491][ T10] netlink_rcv_skb+0x130/0x360 [ 9741.310491][ T10] netlink_unicast+0x449/0x710 [ 9741.310491][ T10] netlink_sendmsg+0x723/0xbe0 [ 9741.310491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9741.310491][ T10] ___sys_sendmsg+0xee/0x170 [ 9741.310491][ T10] __sys_sendmsg+0xcd/0x170 [ 9741.310491][ T10] do_syscall_64+0xc6/0x1e0 [ 9741.310491][ T10] [ 9741.313052][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9741.313052][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9741.313052][ T10] ipv6_find_idev+0x102/0x170 [ 9741.313052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9741.313052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9741.313052][ T10] netlink_rcv_skb+0x130/0x360 [ 9741.313052][ T10] netlink_unicast+0x449/0x710 [ 9741.313052][ T10] netlink_sendmsg+0x723/0xbe0 [ 9741.313052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9741.313052][ T10] ___sys_sendmsg+0xee/0x170 [ 9741.313052][ T10] __sys_sendmsg+0xcd/0x170 [ 9741.313052][ T10] do_syscall_64+0xc6/0x1e0 [ 9741.313052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9741.313052][ T10] [ 9741.314665][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9741.314665][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9741.314665][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9741.314665][ T10] ipv6_find_idev+0x102/0x170 [ 9741.314665][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9741.314665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9741.314665][ T10] netlink_rcv_skb+0x130/0x360 [ 9741.314665][ T10] netlink_unicast+0x449/0x710 [ 9741.314665][ T10] netlink_sendmsg+0x723/0xbe0 [ 9741.314665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9741.314665][ T10] ___sys_sendmsg+0xee/0x170 [ 9741.314665][ T10] __sys_sendmsg+0xcd/0x170 [ 9741.314665][ T10] do_syscall_64+0xc6/0x1e0 [ 9741.314665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9741.314665][ T10] [ 9741.316419][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9741.316656][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9741.316656][ T10] netdev_get_by_index+0x5e/0x80 [ 9741.316656][ T10] fib6_nh_init+0x3d8/0x1580 [ 9741.316656][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9741.316656][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9741.316656][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9741.316656][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9741.316656][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9741.316656][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9741.316656][ T10] addrconf_dad_begin+0x310/0x670 [ 9741.316656][ T10] addrconf_dad_work+0x10b/0xab0 [ 9741.316656][ T10] process_one_work+0x84d/0x18a0 [ 9741.316656][ T10] worker_thread+0x587/0xd30 [ 9741.316656][ T10] kthread+0x28a/0x350 [ 9741.316656][ T10] ret_from_fork+0x31/0x70 [ 9741.316656][ T10] ret_from_fork_asm+0x1a/0x30 [ 9741.316656][ T10] [ 9741.318707][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9741.318707][ T10] netdev_get_by_index+0x5e/0x80 [ 9741.318707][ T10] fib6_nh_init+0x3d8/0x1580 [ 9741.318707][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9741.318707][ T10] ip6_route_add+0x1c/0x140 [ 9741.318707][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9741.318707][ T10] inet6_addr_add+0x4f8/0xa40 [ 9741.318707][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9741.318707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9741.318707][ T10] netlink_rcv_skb+0x130/0x360 [ 9741.318707][ T10] netlink_unicast+0x449/0x710 [ 9741.318707][ T10] netlink_sendmsg+0x723/0xbe0 [ 9741.318707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9741.318707][ T10] ___sys_sendmsg+0xee/0x170 [ 9741.318707][ T10] __sys_sendmsg+0xcd/0x170 [ 9741.318707][ T10] do_syscall_64+0xc6/0x1e0 [ 9741.318707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9741.318707][ T10] [ 9741.320774][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9741.320774][ T10] netdev_get_by_index+0x5e/0x80 [ 9741.320774][ T10] fib6_nh_init+0x3d8/0x1580 [ 9741.320774][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9741.320774][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9741.320774][ T10] ipv6_add_addr+0x411/0x2000 [ 9741.320774][ T10] inet6_addr_add+0x30e/0xa40 [ 9741.320774][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9741.320774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9741.320774][ T10] netlink_rcv_skb+0x130/0x360 [ 9741.320774][ T10] netlink_unicast+0x449/0x710 [ 9741.320774][ T10] netlink_sendmsg+0x723/0xbe0 [ 9741.320774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9741.320774][ T10] ___sys_sendmsg+0xee/0x170 [ 9741.320774][ T10] __sys_sendmsg+0xcd/0x170 [ 9741.320774][ T10] do_syscall_64+0xc6/0x1e0 [ 9741.320774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9741.320774][ T10] [ 9741.322848][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9741.322848][ T10] netdev_get_by_index+0x5e/0x80 [ 9741.322848][ T10] fib6_nh_init+0x3d8/0x1580 [ 9741.322848][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9741.322848][ T10] ip6_route_add+0x1c/0x140 [ 9741.322848][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9741.322848][ T10] addrconf_add_dev+0xe2/0x170 [ 9741.322848][ T10] inet6_addr_add+0x12f/0xa40 [ 9741.322848][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9741.322848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9741.322848][ T10] netlink_rcv_skb+0x130/0x360 [ 9741.322848][ T10] netlink_unicast+0x449/0x710 [ 9741.322848][ T10] netlink_sendmsg+0x723/0xbe0 [ 9741.322848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9741.322848][ T10] ___sys_sendmsg+0xee/0x170 [ 9741.322848][ T10] __sys_sendmsg+0xcd/0x170 [ 9741.322848][ T10] do_syscall_64+0xc6/0x1e0 [ 9741.322848][ T10] [ 9741.324887][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9741.324887][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9741.324887][ T10] ipv6_find_idev+0x102/0x170 [ 9741.324887][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9741.324887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9741.324887][ T10] netlink_rcv_skb+0x130/0x360 [ 9741.324887][ T10] netlink_unicast+0x449/0x710 [ 9741.324887][ T10] netlink_sendmsg+0x723/0xbe0 [ 9741.324887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9741.324887][ T10] ___sys_sendmsg+0xee/0x170 [ 9741.324887][ T10] __sys_sendmsg+0xcd/0x170 [ 9741.324887][ T10] do_syscall_64+0xc6/0x1e0 [ 9741.324887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9741.324887][ T10] [ 9741.326495][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9741.326495][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9741.326495][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9741.326495][ T10] ipv6_find_idev+0x102/0x170 [ 9741.326495][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9741.326495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9741.326495][ T10] netlink_rcv_skb+0x130/0x360 [ 9741.326495][ T10] netlink_unicast+0x449/0x710 [ 9741.326495][ T10] netlink_sendmsg+0x723/0xbe0 [ 9741.326495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9741.326495][ T10] ___sys_sendmsg+0xee/0x170 [ 9741.326495][ T10] __sys_sendmsg+0xcd/0x170 [ 9741.326495][ T10] do_syscall_64+0xc6/0x1e0 [ 9741.326495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9741.326495][ T10] [ 9744.345148][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9744.345619][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9744.345619][ T1167] dst_init+0x84/0x4a0 [ 9744.345619][ T1167] dst_alloc+0x97/0x150 [ 9744.345619][ T1167] ip6_dst_alloc+0x23/0x90 [ 9744.345619][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9744.345619][ T1167] ip6_pol_route+0x56f/0x840 [ 9744.345619][ T1167] fib6_rule_lookup+0x334/0x630 [ 9744.345619][ T1167] ip6_route_output_flags+0x259/0x480 [ 9744.345619][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9744.345619][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9744.345619][ T1167] netlink_rcv_skb+0x130/0x360 [ 9744.345619][ T1167] netlink_unicast+0x449/0x710 [ 9744.345619][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9744.345619][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9744.345619][ T1167] ___sys_sendmsg+0xee/0x170 [ 9744.345619][ T1167] __sys_sendmsg+0xcd/0x170 [ 9744.345619][ T1167] do_syscall_64+0xc6/0x1e0 [ 9744.345619][ T1167] [ 9744.347826][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9744.347826][ T1167] netdev_get_by_index+0x5e/0x80 [ 9744.347826][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9744.347826][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9744.347826][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9744.347826][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9744.347826][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9744.347826][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9744.347826][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9744.347826][ T1167] addrconf_dad_begin+0x310/0x670 [ 9744.347826][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9744.347826][ T1167] process_one_work+0x84d/0x18a0 [ 9744.347826][ T1167] worker_thread+0x587/0xd30 [ 9744.347826][ T1167] kthread+0x28a/0x350 [ 9744.347826][ T1167] ret_from_fork+0x31/0x70 [ 9744.347826][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9744.347826][ T1167] [ 9744.349978][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9744.349978][ T1167] netdev_get_by_index+0x5e/0x80 [ 9744.349978][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9744.349978][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9744.349978][ T1167] ip6_route_add+0x1c/0x140 [ 9744.349978][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9744.349978][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9744.349978][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9744.349978][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9744.349978][ T1167] netlink_rcv_skb+0x130/0x360 [ 9744.349978][ T1167] netlink_unicast+0x449/0x710 [ 9744.349978][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9744.349978][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9744.349978][ T1167] ___sys_sendmsg+0xee/0x170 [ 9744.349978][ T1167] __sys_sendmsg+0xcd/0x170 [ 9744.349978][ T1167] do_syscall_64+0xc6/0x1e0 [ 9744.349978][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9744.349978][ T1167] [ 9744.352228][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9744.352228][ T1167] netdev_get_by_index+0x5e/0x80 [ 9744.352228][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9744.352228][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9744.352228][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9744.352228][ T1167] ipv6_add_addr+0x411/0x2000 [ 9744.352228][ T1167] inet6_addr_add+0x30e/0xa40 [ 9744.352228][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9744.352228][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9744.352228][ T1167] netlink_rcv_skb+0x130/0x360 [ 9744.352228][ T1167] netlink_unicast+0x449/0x710 [ 9744.352228][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9744.352228][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9744.352228][ T1167] ___sys_sendmsg+0xee/0x170 [ 9744.352228][ T1167] __sys_sendmsg+0xcd/0x170 [ 9744.352228][ T1167] do_syscall_64+0xc6/0x1e0 [ 9744.352228][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9744.352228][ T1167] [ 9744.354480][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9744.354480][ T1167] netdev_get_by_index+0x5e/0x80 [ 9744.354480][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9744.354480][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9744.354480][ T1167] ip6_route_add+0x1c/0x140 [ 9744.354480][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9744.354480][ T1167] addrconf_add_dev+0xe2/0x170 [ 9744.354480][ T1167] inet6_addr_add+0x12f/0xa40 [ 9744.354480][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9744.354480][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9744.354480][ T1167] netlink_rcv_skb+0x130/0x360 [ 9744.354480][ T1167] netlink_unicast+0x449/0x710 [ 9744.354480][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9744.354480][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9744.354480][ T1167] ___sys_sendmsg+0xee/0x170 [ 9744.354480][ T1167] __sys_sendmsg+0xcd/0x170 [ 9744.354480][ T1167] do_syscall_64+0xc6/0x1e0 [ 9744.354480][ T1167] [ 9744.356703][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9744.356703][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9744.356703][ T1167] ipv6_find_idev+0x102/0x170 [ 9744.356703][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9744.356703][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9744.356703][ T1167] netlink_rcv_skb+0x130/0x360 [ 9744.356703][ T1167] netlink_unicast+0x449/0x710 [ 9744.356703][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9744.356703][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9744.356703][ T1167] ___sys_sendmsg+0xee/0x170 [ 9744.356703][ T1167] __sys_sendmsg+0xcd/0x170 [ 9744.356703][ T1167] do_syscall_64+0xc6/0x1e0 [ 9744.356703][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9744.356703][ T1167] [ 9744.358427][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9744.358427][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9744.358427][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9744.358427][ T1167] ipv6_find_idev+0x102/0x170 [ 9744.358427][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9744.358427][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9744.358427][ T1167] netlink_rcv_skb+0x130/0x360 [ 9744.358427][ T1167] netlink_unicast+0x449/0x710 [ 9744.358427][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9744.358427][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9744.358427][ T1167] ___sys_sendmsg+0xee/0x170 [ 9744.358427][ T1167] __sys_sendmsg+0xcd/0x170 [ 9744.358427][ T1167] do_syscall_64+0xc6/0x1e0 [ 9744.358427][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9744.358427][ T1167] [ 9751.569103][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9751.569519][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9751.569519][ T10] netdev_get_by_index+0x5e/0x80 [ 9751.569519][ T10] fib6_nh_init+0x3d8/0x1580 [ 9751.569519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9751.569519][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9751.569519][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9751.569519][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9751.569519][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9751.569519][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9751.569519][ T10] addrconf_dad_begin+0x310/0x670 [ 9751.569519][ T10] addrconf_dad_work+0x10b/0xab0 [ 9751.569519][ T10] process_one_work+0x84d/0x18a0 [ 9751.569519][ T10] worker_thread+0x587/0xd30 [ 9751.569519][ T10] kthread+0x28a/0x350 [ 9751.569519][ T10] ret_from_fork+0x31/0x70 [ 9751.569519][ T10] ret_from_fork_asm+0x1a/0x30 [ 9751.569519][ T10] [ 9751.571445][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9751.571445][ T10] netdev_get_by_index+0x5e/0x80 [ 9751.571445][ T10] fib6_nh_init+0x3d8/0x1580 [ 9751.571445][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9751.571445][ T10] ip6_route_add+0x1c/0x140 [ 9751.571445][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9751.571445][ T10] inet6_addr_add+0x4f8/0xa40 [ 9751.571445][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9751.571445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9751.571445][ T10] netlink_rcv_skb+0x130/0x360 [ 9751.571445][ T10] netlink_unicast+0x449/0x710 [ 9751.571445][ T10] netlink_sendmsg+0x723/0xbe0 [ 9751.571445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9751.571445][ T10] ___sys_sendmsg+0xee/0x170 [ 9751.571445][ T10] __sys_sendmsg+0xcd/0x170 [ 9751.571445][ T10] do_syscall_64+0xc6/0x1e0 [ 9751.571445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9751.571445][ T10] [ 9751.573431][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9751.573431][ T10] netdev_get_by_index+0x5e/0x80 [ 9751.573431][ T10] fib6_nh_init+0x3d8/0x1580 [ 9751.573431][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9751.573431][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9751.573431][ T10] ipv6_add_addr+0x411/0x2000 [ 9751.573431][ T10] inet6_addr_add+0x30e/0xa40 [ 9751.573431][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9751.573431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9751.573431][ T10] netlink_rcv_skb+0x130/0x360 [ 9751.573431][ T10] netlink_unicast+0x449/0x710 [ 9751.573431][ T10] netlink_sendmsg+0x723/0xbe0 [ 9751.573431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9751.573431][ T10] ___sys_sendmsg+0xee/0x170 [ 9751.573431][ T10] __sys_sendmsg+0xcd/0x170 [ 9751.573431][ T10] do_syscall_64+0xc6/0x1e0 [ 9751.573431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9751.573431][ T10] [ 9751.575406][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9751.575406][ T10] netdev_get_by_index+0x5e/0x80 [ 9751.575406][ T10] fib6_nh_init+0x3d8/0x1580 [ 9751.575406][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9751.575406][ T10] ip6_route_add+0x1c/0x140 [ 9751.575406][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9751.575406][ T10] addrconf_add_dev+0xe2/0x170 [ 9751.575406][ T10] inet6_addr_add+0x12f/0xa40 [ 9751.575406][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9751.575406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9751.575406][ T10] netlink_rcv_skb+0x130/0x360 [ 9751.575406][ T10] netlink_unicast+0x449/0x710 [ 9751.575406][ T10] netlink_sendmsg+0x723/0xbe0 [ 9751.575406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9751.575406][ T10] ___sys_sendmsg+0xee/0x170 [ 9751.575406][ T10] __sys_sendmsg+0xcd/0x170 [ 9751.575406][ T10] do_syscall_64+0xc6/0x1e0 [ 9751.575406][ T10] [ 9751.577356][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9751.577356][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9751.577356][ T10] ipv6_find_idev+0x102/0x170 [ 9751.577356][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9751.577356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9751.577356][ T10] netlink_rcv_skb+0x130/0x360 [ 9751.577356][ T10] netlink_unicast+0x449/0x710 [ 9751.577356][ T10] netlink_sendmsg+0x723/0xbe0 [ 9751.577356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9751.577356][ T10] ___sys_sendmsg+0xee/0x170 [ 9751.577356][ T10] __sys_sendmsg+0xcd/0x170 [ 9751.577356][ T10] do_syscall_64+0xc6/0x1e0 [ 9751.577356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9751.577356][ T10] [ 9751.578884][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9751.578884][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9751.578884][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9751.578884][ T10] ipv6_find_idev+0x102/0x170 [ 9751.578884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9751.578884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9751.578884][ T10] netlink_rcv_skb+0x130/0x360 [ 9751.578884][ T10] netlink_unicast+0x449/0x710 [ 9751.578884][ T10] netlink_sendmsg+0x723/0xbe0 [ 9751.578884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9751.578884][ T10] ___sys_sendmsg+0xee/0x170 [ 9751.578884][ T10] __sys_sendmsg+0xcd/0x170 [ 9751.578884][ T10] do_syscall_64+0xc6/0x1e0 [ 9751.578884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9751.578884][ T10] [ 9751.580550][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9751.580787][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9751.580787][ T10] netdev_get_by_index+0x5e/0x80 [ 9751.580787][ T10] fib6_nh_init+0x3d8/0x1580 [ 9751.580787][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9751.580787][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9751.580787][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9751.580787][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9751.580787][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9751.580787][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9751.580787][ T10] addrconf_dad_begin+0x310/0x670 [ 9751.580787][ T10] addrconf_dad_work+0x10b/0xab0 [ 9751.580787][ T10] process_one_work+0x84d/0x18a0 [ 9751.580787][ T10] worker_thread+0x587/0xd30 [ 9751.580787][ T10] kthread+0x28a/0x350 [ 9751.580787][ T10] ret_from_fork+0x31/0x70 [ 9751.580787][ T10] ret_from_fork_asm+0x1a/0x30 [ 9751.580787][ T10] [ 9751.582684][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9751.582684][ T10] netdev_get_by_index+0x5e/0x80 [ 9751.582684][ T10] fib6_nh_init+0x3d8/0x1580 [ 9751.582684][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9751.582684][ T10] ip6_route_add+0x1c/0x140 [ 9751.582684][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9751.582684][ T10] inet6_addr_add+0x4f8/0xa40 [ 9751.582684][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9751.582684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9751.582684][ T10] netlink_rcv_skb+0x130/0x360 [ 9751.582684][ T10] netlink_unicast+0x449/0x710 [ 9751.582684][ T10] netlink_sendmsg+0x723/0xbe0 [ 9751.582684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9751.582684][ T10] ___sys_sendmsg+0xee/0x170 [ 9751.582684][ T10] __sys_sendmsg+0xcd/0x170 [ 9751.582684][ T10] do_syscall_64+0xc6/0x1e0 [ 9751.582684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9751.582684][ T10] [ 9751.584663][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9751.584663][ T10] netdev_get_by_index+0x5e/0x80 [ 9751.584663][ T10] fib6_nh_init+0x3d8/0x1580 [ 9751.584663][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9751.584663][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9751.584663][ T10] ipv6_add_addr+0x411/0x2000 [ 9751.584663][ T10] inet6_addr_add+0x30e/0xa40 [ 9751.584663][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9751.584663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9751.584663][ T10] netlink_rcv_skb+0x130/0x360 [ 9751.584663][ T10] netlink_unicast+0x449/0x710 [ 9751.584663][ T10] netlink_sendmsg+0x723/0xbe0 [ 9751.584663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9751.584663][ T10] ___sys_sendmsg+0xee/0x170 [ 9751.584663][ T10] __sys_sendmsg+0xcd/0x170 [ 9751.584663][ T10] do_syscall_64+0xc6/0x1e0 [ 9751.584663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9751.584663][ T10] [ 9751.586650][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9751.586650][ T10] netdev_get_by_index+0x5e/0x80 [ 9751.586650][ T10] fib6_nh_init+0x3d8/0x1580 [ 9751.586650][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9751.586650][ T10] ip6_route_add+0x1c/0x140 [ 9751.586650][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9751.586650][ T10] addrconf_add_dev+0xe2/0x170 [ 9751.586650][ T10] inet6_addr_add+0x12f/0xa40 [ 9751.586650][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9751.586650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9751.586650][ T10] netlink_rcv_skb+0x130/0x360 [ 9751.586650][ T10] netlink_unicast+0x449/0x710 [ 9751.586650][ T10] netlink_sendmsg+0x723/0xbe0 [ 9751.586650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9751.586650][ T10] ___sys_sendmsg+0xee/0x170 [ 9751.586650][ T10] __sys_sendmsg+0xcd/0x170 [ 9751.586650][ T10] do_syscall_64+0xc6/0x1e0 [ 9751.586650][ T10] [ 9751.588584][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9751.588584][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9751.588584][ T10] ipv6_find_idev+0x102/0x170 [ 9751.588584][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9751.588584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9751.588584][ T10] netlink_rcv_skb+0x130/0x360 [ 9751.588584][ T10] netlink_unicast+0x449/0x710 [ 9751.588584][ T10] netlink_sendmsg+0x723/0xbe0 [ 9751.588584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9751.588584][ T10] ___sys_sendmsg+0xee/0x170 [ 9751.588584][ T10] __sys_sendmsg+0xcd/0x170 [ 9751.588584][ T10] do_syscall_64+0xc6/0x1e0 [ 9751.588584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9751.588584][ T10] [ 9751.590102][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9751.590102][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9751.590102][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9751.590102][ T10] ipv6_find_idev+0x102/0x170 [ 9751.590102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9751.590102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9751.590102][ T10] netlink_rcv_skb+0x130/0x360 [ 9751.590102][ T10] netlink_unicast+0x449/0x710 [ 9751.590102][ T10] netlink_sendmsg+0x723/0xbe0 [ 9751.590102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9751.590102][ T10] ___sys_sendmsg+0xee/0x170 [ 9751.590102][ T10] __sys_sendmsg+0xcd/0x170 [ 9751.590102][ T10] do_syscall_64+0xc6/0x1e0 [ 9751.590102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9751.590102][ T10] [ 9751.591755][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9751.591996][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9751.591996][ T10] netdev_get_by_index+0x5e/0x80 [ 9751.591996][ T10] fib6_nh_init+0x3d8/0x1580 [ 9751.591996][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9751.591996][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9751.591996][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9751.591996][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9751.591996][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9751.591996][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9751.591996][ T10] addrconf_dad_begin+0x310/0x670 [ 9751.591996][ T10] addrconf_dad_work+0x10b/0xab0 [ 9751.591996][ T10] process_one_work+0x84d/0x18a0 [ 9751.591996][ T10] worker_thread+0x587/0xd30 [ 9751.591996][ T10] kthread+0x28a/0x350 [ 9751.591996][ T10] ret_from_fork+0x31/0x70 [ 9751.591996][ T10] ret_from_fork_asm+0x1a/0x30 [ 9751.591996][ T10] [ 9751.593888][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9751.593888][ T10] netdev_get_by_index+0x5e/0x80 [ 9751.593888][ T10] fib6_nh_init+0x3d8/0x1580 [ 9751.593888][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9751.593888][ T10] ip6_route_add+0x1c/0x140 [ 9751.593888][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9751.593888][ T10] inet6_addr_add+0x4f8/0xa40 [ 9751.593888][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9751.593888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9751.593888][ T10] netlink_rcv_skb+0x130/0x360 [ 9751.593888][ T10] netlink_unicast+0x449/0x710 [ 9751.593888][ T10] netlink_sendmsg+0x723/0xbe0 [ 9751.593888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9751.593888][ T10] ___sys_sendmsg+0xee/0x170 [ 9751.593888][ T10] __sys_sendmsg+0xcd/0x170 [ 9751.593888][ T10] do_syscall_64+0xc6/0x1e0 [ 9751.593888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9751.593888][ T10] [ 9751.596045][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9751.596045][ T10] netdev_get_by_index+0x5e/0x80 [ 9751.596045][ T10] fib6_nh_init+0x3d8/0x1580 [ 9751.596045][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9751.596045][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9751.596045][ T10] ipv6_add_addr+0x411/0x2000 [ 9751.596045][ T10] inet6_addr_add+0x30e/0xa40 [ 9751.596045][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9751.596045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9751.596045][ T10] netlink_rcv_skb+0x130/0x360 [ 9751.596045][ T10] netlink_unicast+0x449/0x710 [ 9751.596045][ T10] netlink_sendmsg+0x723/0xbe0 [ 9751.596045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9751.596045][ T10] ___sys_sendmsg+0xee/0x170 [ 9751.596045][ T10] __sys_sendmsg+0xcd/0x170 [ 9751.596045][ T10] do_syscall_64+0xc6/0x1e0 [ 9751.596045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9751.596045][ T10] [ 9751.598336][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9751.598336][ T10] netdev_get_by_index+0x5e/0x80 [ 9751.598336][ T10] fib6_nh_init+0x3d8/0x1580 [ 9751.598336][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9751.598336][ T10] ip6_route_add+0x1c/0x140 [ 9751.598336][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9751.598336][ T10] addrconf_add_dev+0xe2/0x170 [ 9751.598336][ T10] inet6_addr_add+0x12f/0xa40 [ 9751.598336][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9751.598336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9751.598336][ T10] netlink_rcv_skb+0x130/0x360 [ 9751.598336][ T10] netlink_unicast+0x449/0x710 [ 9751.598336][ T10] netlink_sendmsg+0x723/0xbe0 [ 9751.598336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9751.598336][ T10] ___sys_sendmsg+0xee/0x170 [ 9751.598336][ T10] __sys_sendmsg+0xcd/0x170 [ 9751.598336][ T10] do_syscall_64+0xc6/0x1e0 [ 9751.598336][ T10] [ 9751.600451][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9751.600451][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9751.600451][ T10] ipv6_find_idev+0x102/0x170 [ 9751.600451][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9751.600451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9751.600451][ T10] netlink_rcv_skb+0x130/0x360 [ 9751.600451][ T10] netlink_unicast+0x449/0x710 [ 9751.600451][ T10] netlink_sendmsg+0x723/0xbe0 [ 9751.600451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9751.600451][ T10] ___sys_sendmsg+0xee/0x170 [ 9751.600451][ T10] __sys_sendmsg+0xcd/0x170 [ 9751.600451][ T10] do_syscall_64+0xc6/0x1e0 [ 9751.600451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9751.600451][ T10] [ 9751.602152][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9751.602152][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9751.602152][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9751.602152][ T10] ipv6_find_idev+0x102/0x170 [ 9751.602152][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9751.602152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9751.602152][ T10] netlink_rcv_skb+0x130/0x360 [ 9751.602152][ T10] netlink_unicast+0x449/0x710 [ 9751.602152][ T10] netlink_sendmsg+0x723/0xbe0 [ 9751.602152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9751.602152][ T10] ___sys_sendmsg+0xee/0x170 [ 9751.602152][ T10] __sys_sendmsg+0xcd/0x170 [ 9751.602152][ T10] do_syscall_64+0xc6/0x1e0 [ 9751.602152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9751.602152][ T10] [ 9751.604062][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9751.604298][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9751.604298][ T10] netdev_get_by_index+0x5e/0x80 [ 9751.604298][ T10] fib6_nh_init+0x3d8/0x1580 [ 9751.604298][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9751.604298][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9751.604298][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9751.604298][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9751.604298][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9751.604298][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9751.604298][ T10] addrconf_dad_begin+0x310/0x670 [ 9751.604298][ T10] addrconf_dad_work+0x10b/0xab0 [ 9751.604298][ T10] process_one_work+0x84d/0x18a0 [ 9751.604298][ T10] worker_thread+0x587/0xd30 [ 9751.604298][ T10] kthread+0x28a/0x350 [ 9751.604298][ T10] ret_from_fork+0x31/0x70 [ 9751.604298][ T10] ret_from_fork_asm+0x1a/0x30 [ 9751.604298][ T10] [ 9751.606488][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9751.606488][ T10] netdev_get_by_index+0x5e/0x80 [ 9751.606488][ T10] fib6_nh_init+0x3d8/0x1580 [ 9751.606488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9751.606488][ T10] ip6_route_add+0x1c/0x140 [ 9751.606488][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9751.606488][ T10] inet6_addr_add+0x4f8/0xa40 [ 9751.606488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9751.606488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9751.606488][ T10] netlink_rcv_skb+0x130/0x360 [ 9751.606488][ T10] netlink_unicast+0x449/0x710 [ 9751.606488][ T10] netlink_sendmsg+0x723/0xbe0 [ 9751.606488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9751.606488][ T10] ___sys_sendmsg+0xee/0x170 [ 9751.606488][ T10] __sys_sendmsg+0xcd/0x170 [ 9751.606488][ T10] do_syscall_64+0xc6/0x1e0 [ 9751.606488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9751.606488][ T10] [ 9751.608637][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9751.608637][ T10] netdev_get_by_index+0x5e/0x80 [ 9751.608637][ T10] fib6_nh_init+0x3d8/0x1580 [ 9751.608637][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9751.608637][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9751.608637][ T10] ipv6_add_addr+0x411/0x2000 [ 9751.608637][ T10] inet6_addr_add+0x30e/0xa40 [ 9751.608637][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9751.608637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9751.608637][ T10] netlink_rcv_skb+0x130/0x360 [ 9751.608637][ T10] netlink_unicast+0x449/0x710 [ 9751.608637][ T10] netlink_sendmsg+0x723/0xbe0 [ 9751.608637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9751.608637][ T10] ___sys_sendmsg+0xee/0x170 [ 9751.608637][ T10] __sys_sendmsg+0xcd/0x170 [ 9751.608637][ T10] do_syscall_64+0xc6/0x1e0 [ 9751.608637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9751.608637][ T10] [ 9751.610853][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9751.610853][ T10] netdev_get_by_index+0x5e/0x80 [ 9751.610853][ T10] fib6_nh_init+0x3d8/0x1580 [ 9751.610853][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9751.610853][ T10] ip6_route_add+0x1c/0x140 [ 9751.610853][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9751.610853][ T10] addrconf_add_dev+0xe2/0x170 [ 9751.610853][ T10] inet6_addr_add+0x12f/0xa40 [ 9751.610853][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9751.610853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9751.610853][ T10] netlink_rcv_skb+0x130/0x360 [ 9751.610853][ T10] netlink_unicast+0x449/0x710 [ 9751.610853][ T10] netlink_sendmsg+0x723/0xbe0 [ 9751.610853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9751.610853][ T10] ___sys_sendmsg+0xee/0x170 [ 9751.610853][ T10] __sys_sendmsg+0xcd/0x170 [ 9751.610853][ T10] do_syscall_64+0xc6/0x1e0 [ 9751.610853][ T10] [ 9751.613046][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9751.613046][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9751.613046][ T10] ipv6_find_idev+0x102/0x170 [ 9751.613046][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9751.613046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9751.613046][ T10] netlink_rcv_skb+0x130/0x360 [ 9751.613046][ T10] netlink_unicast+0x449/0x710 [ 9751.613046][ T10] netlink_sendmsg+0x723/0xbe0 [ 9751.613046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9751.613046][ T10] ___sys_sendmsg+0xee/0x170 [ 9751.613046][ T10] __sys_sendmsg+0xcd/0x170 [ 9751.613046][ T10] do_syscall_64+0xc6/0x1e0 [ 9751.613046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9751.613046][ T10] [ 9751.614747][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9751.614747][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9751.614747][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9751.614747][ T10] ipv6_find_idev+0x102/0x170 [ 9751.614747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9751.614747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9751.614747][ T10] netlink_rcv_skb+0x130/0x360 [ 9751.614747][ T10] netlink_unicast+0x449/0x710 [ 9751.614747][ T10] netlink_sendmsg+0x723/0xbe0 [ 9751.614747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9751.614747][ T10] ___sys_sendmsg+0xee/0x170 [ 9751.614747][ T10] __sys_sendmsg+0xcd/0x170 [ 9751.614747][ T10] do_syscall_64+0xc6/0x1e0 [ 9751.614747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9751.614747][ T10] [ 9754.601043][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9754.601524][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9754.601524][ T1167] dst_init+0x84/0x4a0 [ 9754.601524][ T1167] dst_alloc+0x97/0x150 [ 9754.601524][ T1167] ip6_dst_alloc+0x23/0x90 [ 9754.601524][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9754.601524][ T1167] ip6_pol_route+0x56f/0x840 [ 9754.601524][ T1167] fib6_rule_lookup+0x334/0x630 [ 9754.601524][ T1167] ip6_route_output_flags+0x259/0x480 [ 9754.601524][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9754.601524][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9754.601524][ T1167] netlink_rcv_skb+0x130/0x360 [ 9754.601524][ T1167] netlink_unicast+0x449/0x710 [ 9754.601524][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9754.601524][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9754.601524][ T1167] ___sys_sendmsg+0xee/0x170 [ 9754.601524][ T1167] __sys_sendmsg+0xcd/0x170 [ 9754.601524][ T1167] do_syscall_64+0xc6/0x1e0 [ 9754.601524][ T1167] [ 9754.603740][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9754.603740][ T1167] netdev_get_by_index+0x5e/0x80 [ 9754.603740][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9754.603740][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9754.603740][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9754.603740][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9754.603740][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9754.603740][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9754.603740][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9754.603740][ T1167] addrconf_dad_begin+0x310/0x670 [ 9754.603740][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9754.603740][ T1167] process_one_work+0x84d/0x18a0 [ 9754.603740][ T1167] worker_thread+0x587/0xd30 [ 9754.603740][ T1167] kthread+0x28a/0x350 [ 9754.603740][ T1167] ret_from_fork+0x31/0x70 [ 9754.603740][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9754.603740][ T1167] [ 9754.605874][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9754.605874][ T1167] netdev_get_by_index+0x5e/0x80 [ 9754.605874][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9754.605874][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9754.605874][ T1167] ip6_route_add+0x1c/0x140 [ 9754.605874][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9754.605874][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9754.605874][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9754.605874][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9754.605874][ T1167] netlink_rcv_skb+0x130/0x360 [ 9754.605874][ T1167] netlink_unicast+0x449/0x710 [ 9754.605874][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9754.605874][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9754.605874][ T1167] ___sys_sendmsg+0xee/0x170 [ 9754.605874][ T1167] __sys_sendmsg+0xcd/0x170 [ 9754.605874][ T1167] do_syscall_64+0xc6/0x1e0 [ 9754.605874][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9754.605874][ T1167] [ 9754.608105][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9754.608105][ T1167] netdev_get_by_index+0x5e/0x80 [ 9754.608105][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9754.608105][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9754.608105][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9754.608105][ T1167] ipv6_add_addr+0x411/0x2000 [ 9754.608105][ T1167] inet6_addr_add+0x30e/0xa40 [ 9754.608105][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9754.608105][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9754.608105][ T1167] netlink_rcv_skb+0x130/0x360 [ 9754.608105][ T1167] netlink_unicast+0x449/0x710 [ 9754.608105][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9754.608105][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9754.608105][ T1167] ___sys_sendmsg+0xee/0x170 [ 9754.608105][ T1167] __sys_sendmsg+0xcd/0x170 [ 9754.608105][ T1167] do_syscall_64+0xc6/0x1e0 [ 9754.608105][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9754.608105][ T1167] [ 9754.610337][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9754.610337][ T1167] netdev_get_by_index+0x5e/0x80 [ 9754.610337][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9754.610337][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9754.610337][ T1167] ip6_route_add+0x1c/0x140 [ 9754.610337][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9754.610337][ T1167] addrconf_add_dev+0xe2/0x170 [ 9754.610337][ T1167] inet6_addr_add+0x12f/0xa40 [ 9754.610337][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9754.610337][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9754.610337][ T1167] netlink_rcv_skb+0x130/0x360 [ 9754.610337][ T1167] netlink_unicast+0x449/0x710 [ 9754.610337][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9754.610337][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9754.610337][ T1167] ___sys_sendmsg+0xee/0x170 [ 9754.610337][ T1167] __sys_sendmsg+0xcd/0x170 [ 9754.610337][ T1167] do_syscall_64+0xc6/0x1e0 [ 9754.610337][ T1167] [ 9754.612535][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9754.612535][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9754.612535][ T1167] ipv6_find_idev+0x102/0x170 [ 9754.612535][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9754.612535][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9754.612535][ T1167] netlink_rcv_skb+0x130/0x360 [ 9754.612535][ T1167] netlink_unicast+0x449/0x710 [ 9754.612535][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9754.612535][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9754.612535][ T1167] ___sys_sendmsg+0xee/0x170 [ 9754.612535][ T1167] __sys_sendmsg+0xcd/0x170 [ 9754.612535][ T1167] do_syscall_64+0xc6/0x1e0 [ 9754.612535][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9754.612535][ T1167] [ 9754.614257][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9754.614257][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9754.614257][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9754.614257][ T1167] ipv6_find_idev+0x102/0x170 [ 9754.614257][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9754.614257][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9754.614257][ T1167] netlink_rcv_skb+0x130/0x360 [ 9754.614257][ T1167] netlink_unicast+0x449/0x710 [ 9754.614257][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9754.614257][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9754.614257][ T1167] ___sys_sendmsg+0xee/0x170 [ 9754.614257][ T1167] __sys_sendmsg+0xcd/0x170 [ 9754.614257][ T1167] do_syscall_64+0xc6/0x1e0 [ 9754.614257][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9754.614257][ T1167] [ 9761.857099][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9761.857508][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9761.857508][ T10] netdev_get_by_index+0x5e/0x80 [ 9761.857508][ T10] fib6_nh_init+0x3d8/0x1580 [ 9761.857508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9761.857508][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9761.857508][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9761.857508][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9761.857508][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9761.857508][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9761.857508][ T10] addrconf_dad_begin+0x310/0x670 [ 9761.857508][ T10] addrconf_dad_work+0x10b/0xab0 [ 9761.857508][ T10] process_one_work+0x84d/0x18a0 [ 9761.857508][ T10] worker_thread+0x587/0xd30 [ 9761.857508][ T10] kthread+0x28a/0x350 [ 9761.857508][ T10] ret_from_fork+0x31/0x70 [ 9761.857508][ T10] ret_from_fork_asm+0x1a/0x30 [ 9761.857508][ T10] [ 9761.859429][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9761.859429][ T10] netdev_get_by_index+0x5e/0x80 [ 9761.859429][ T10] fib6_nh_init+0x3d8/0x1580 [ 9761.859429][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9761.859429][ T10] ip6_route_add+0x1c/0x140 [ 9761.859429][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9761.859429][ T10] inet6_addr_add+0x4f8/0xa40 [ 9761.859429][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9761.859429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9761.859429][ T10] netlink_rcv_skb+0x130/0x360 [ 9761.859429][ T10] netlink_unicast+0x449/0x710 [ 9761.859429][ T10] netlink_sendmsg+0x723/0xbe0 [ 9761.859429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9761.859429][ T10] ___sys_sendmsg+0xee/0x170 [ 9761.859429][ T10] __sys_sendmsg+0xcd/0x170 [ 9761.859429][ T10] do_syscall_64+0xc6/0x1e0 [ 9761.859429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9761.859429][ T10] [ 9761.861417][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9761.861417][ T10] netdev_get_by_index+0x5e/0x80 [ 9761.861417][ T10] fib6_nh_init+0x3d8/0x1580 [ 9761.861417][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9761.861417][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9761.861417][ T10] ipv6_add_addr+0x411/0x2000 [ 9761.861417][ T10] inet6_addr_add+0x30e/0xa40 [ 9761.861417][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9761.861417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9761.861417][ T10] netlink_rcv_skb+0x130/0x360 [ 9761.861417][ T10] netlink_unicast+0x449/0x710 [ 9761.861417][ T10] netlink_sendmsg+0x723/0xbe0 [ 9761.861417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9761.861417][ T10] ___sys_sendmsg+0xee/0x170 [ 9761.861417][ T10] __sys_sendmsg+0xcd/0x170 [ 9761.861417][ T10] do_syscall_64+0xc6/0x1e0 [ 9761.861417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9761.861417][ T10] [ 9761.863399][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9761.863399][ T10] netdev_get_by_index+0x5e/0x80 [ 9761.863399][ T10] fib6_nh_init+0x3d8/0x1580 [ 9761.863399][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9761.863399][ T10] ip6_route_add+0x1c/0x140 [ 9761.863399][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9761.863399][ T10] addrconf_add_dev+0xe2/0x170 [ 9761.863399][ T10] inet6_addr_add+0x12f/0xa40 [ 9761.863399][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9761.863399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9761.863399][ T10] netlink_rcv_skb+0x130/0x360 [ 9761.863399][ T10] netlink_unicast+0x449/0x710 [ 9761.863399][ T10] netlink_sendmsg+0x723/0xbe0 [ 9761.863399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9761.863399][ T10] ___sys_sendmsg+0xee/0x170 [ 9761.863399][ T10] __sys_sendmsg+0xcd/0x170 [ 9761.863399][ T10] do_syscall_64+0xc6/0x1e0 [ 9761.863399][ T10] [ 9761.865336][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9761.865336][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9761.865336][ T10] ipv6_find_idev+0x102/0x170 [ 9761.865336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9761.865336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9761.865336][ T10] netlink_rcv_skb+0x130/0x360 [ 9761.865336][ T10] netlink_unicast+0x449/0x710 [ 9761.865336][ T10] netlink_sendmsg+0x723/0xbe0 [ 9761.865336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9761.865336][ T10] ___sys_sendmsg+0xee/0x170 [ 9761.865336][ T10] __sys_sendmsg+0xcd/0x170 [ 9761.865336][ T10] do_syscall_64+0xc6/0x1e0 [ 9761.865336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9761.865336][ T10] [ 9761.866858][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9761.866858][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9761.866858][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9761.866858][ T10] ipv6_find_idev+0x102/0x170 [ 9761.866858][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9761.866858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9761.866858][ T10] netlink_rcv_skb+0x130/0x360 [ 9761.866858][ T10] netlink_unicast+0x449/0x710 [ 9761.866858][ T10] netlink_sendmsg+0x723/0xbe0 [ 9761.866858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9761.866858][ T10] ___sys_sendmsg+0xee/0x170 [ 9761.866858][ T10] __sys_sendmsg+0xcd/0x170 [ 9761.866858][ T10] do_syscall_64+0xc6/0x1e0 [ 9761.866858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9761.866858][ T10] [ 9761.868533][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9761.868771][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9761.868771][ T10] netdev_get_by_index+0x5e/0x80 [ 9761.868771][ T10] fib6_nh_init+0x3d8/0x1580 [ 9761.868771][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9761.868771][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9761.868771][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9761.868771][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9761.868771][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9761.868771][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9761.868771][ T10] addrconf_dad_begin+0x310/0x670 [ 9761.868771][ T10] addrconf_dad_work+0x10b/0xab0 [ 9761.868771][ T10] process_one_work+0x84d/0x18a0 [ 9761.868771][ T10] worker_thread+0x587/0xd30 [ 9761.868771][ T10] kthread+0x28a/0x350 [ 9761.868771][ T10] ret_from_fork+0x31/0x70 [ 9761.868771][ T10] ret_from_fork_asm+0x1a/0x30 [ 9761.868771][ T10] [ 9761.870661][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9761.870661][ T10] netdev_get_by_index+0x5e/0x80 [ 9761.870661][ T10] fib6_nh_init+0x3d8/0x1580 [ 9761.870661][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9761.870661][ T10] ip6_route_add+0x1c/0x140 [ 9761.870661][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9761.870661][ T10] inet6_addr_add+0x4f8/0xa40 [ 9761.870661][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9761.870661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9761.870661][ T10] netlink_rcv_skb+0x130/0x360 [ 9761.870661][ T10] netlink_unicast+0x449/0x710 [ 9761.870661][ T10] netlink_sendmsg+0x723/0xbe0 [ 9761.870661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9761.870661][ T10] ___sys_sendmsg+0xee/0x170 [ 9761.870661][ T10] __sys_sendmsg+0xcd/0x170 [ 9761.870661][ T10] do_syscall_64+0xc6/0x1e0 [ 9761.870661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9761.870661][ T10] [ 9761.872642][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9761.872642][ T10] netdev_get_by_index+0x5e/0x80 [ 9761.872642][ T10] fib6_nh_init+0x3d8/0x1580 [ 9761.872642][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9761.872642][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9761.872642][ T10] ipv6_add_addr+0x411/0x2000 [ 9761.872642][ T10] inet6_addr_add+0x30e/0xa40 [ 9761.872642][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9761.872642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9761.872642][ T10] netlink_rcv_skb+0x130/0x360 [ 9761.872642][ T10] netlink_unicast+0x449/0x710 [ 9761.872642][ T10] netlink_sendmsg+0x723/0xbe0 [ 9761.872642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9761.872642][ T10] ___sys_sendmsg+0xee/0x170 [ 9761.872642][ T10] __sys_sendmsg+0xcd/0x170 [ 9761.872642][ T10] do_syscall_64+0xc6/0x1e0 [ 9761.872642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9761.872642][ T10] [ 9761.874623][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9761.874623][ T10] netdev_get_by_index+0x5e/0x80 [ 9761.874623][ T10] fib6_nh_init+0x3d8/0x1580 [ 9761.874623][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9761.874623][ T10] ip6_route_add+0x1c/0x140 [ 9761.874623][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9761.874623][ T10] addrconf_add_dev+0xe2/0x170 [ 9761.874623][ T10] inet6_addr_add+0x12f/0xa40 [ 9761.874623][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9761.874623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9761.874623][ T10] netlink_rcv_skb+0x130/0x360 [ 9761.874623][ T10] netlink_unicast+0x449/0x710 [ 9761.874623][ T10] netlink_sendmsg+0x723/0xbe0 [ 9761.874623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9761.874623][ T10] ___sys_sendmsg+0xee/0x170 [ 9761.874623][ T10] __sys_sendmsg+0xcd/0x170 [ 9761.874623][ T10] do_syscall_64+0xc6/0x1e0 [ 9761.874623][ T10] [ 9761.876576][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9761.876576][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9761.876576][ T10] ipv6_find_idev+0x102/0x170 [ 9761.876576][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9761.876576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9761.876576][ T10] netlink_rcv_skb+0x130/0x360 [ 9761.876576][ T10] netlink_unicast+0x449/0x710 [ 9761.876576][ T10] netlink_sendmsg+0x723/0xbe0 [ 9761.876576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9761.876576][ T10] ___sys_sendmsg+0xee/0x170 [ 9761.876576][ T10] __sys_sendmsg+0xcd/0x170 [ 9761.876576][ T10] do_syscall_64+0xc6/0x1e0 [ 9761.876576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9761.876576][ T10] [ 9761.878098][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9761.878098][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9761.878098][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9761.878098][ T10] ipv6_find_idev+0x102/0x170 [ 9761.878098][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9761.878098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9761.878098][ T10] netlink_rcv_skb+0x130/0x360 [ 9761.878098][ T10] netlink_unicast+0x449/0x710 [ 9761.878098][ T10] netlink_sendmsg+0x723/0xbe0 [ 9761.878098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9761.878098][ T10] ___sys_sendmsg+0xee/0x170 [ 9761.878098][ T10] __sys_sendmsg+0xcd/0x170 [ 9761.878098][ T10] do_syscall_64+0xc6/0x1e0 [ 9761.878098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9761.878098][ T10] [ 9761.879766][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9761.879999][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9761.879999][ T10] netdev_get_by_index+0x5e/0x80 [ 9761.879999][ T10] fib6_nh_init+0x3d8/0x1580 [ 9761.879999][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9761.879999][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9761.879999][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9761.879999][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9761.879999][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9761.879999][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9761.879999][ T10] addrconf_dad_begin+0x310/0x670 [ 9761.879999][ T10] addrconf_dad_work+0x10b/0xab0 [ 9761.879999][ T10] process_one_work+0x84d/0x18a0 [ 9761.879999][ T10] worker_thread+0x587/0xd30 [ 9761.879999][ T10] kthread+0x28a/0x350 [ 9761.879999][ T10] ret_from_fork+0x31/0x70 [ 9761.879999][ T10] ret_from_fork_asm+0x1a/0x30 [ 9761.879999][ T10] [ 9761.881880][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9761.881880][ T10] netdev_get_by_index+0x5e/0x80 [ 9761.881880][ T10] fib6_nh_init+0x3d8/0x1580 [ 9761.881880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9761.881880][ T10] ip6_route_add+0x1c/0x140 [ 9761.881880][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9761.881880][ T10] inet6_addr_add+0x4f8/0xa40 [ 9761.881880][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9761.881880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9761.881880][ T10] netlink_rcv_skb+0x130/0x360 [ 9761.881880][ T10] netlink_unicast+0x449/0x710 [ 9761.881880][ T10] netlink_sendmsg+0x723/0xbe0 [ 9761.881880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9761.881880][ T10] ___sys_sendmsg+0xee/0x170 [ 9761.881880][ T10] __sys_sendmsg+0xcd/0x170 [ 9761.881880][ T10] do_syscall_64+0xc6/0x1e0 [ 9761.881880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9761.881880][ T10] [ 9761.884060][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9761.884060][ T10] netdev_get_by_index+0x5e/0x80 [ 9761.884060][ T10] fib6_nh_init+0x3d8/0x1580 [ 9761.884060][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9761.884060][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9761.884060][ T10] ipv6_add_addr+0x411/0x2000 [ 9761.884060][ T10] inet6_addr_add+0x30e/0xa40 [ 9761.884060][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9761.884060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9761.884060][ T10] netlink_rcv_skb+0x130/0x360 [ 9761.884060][ T10] netlink_unicast+0x449/0x710 [ 9761.884060][ T10] netlink_sendmsg+0x723/0xbe0 [ 9761.884060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9761.884060][ T10] ___sys_sendmsg+0xee/0x170 [ 9761.884060][ T10] __sys_sendmsg+0xcd/0x170 [ 9761.884060][ T10] do_syscall_64+0xc6/0x1e0 [ 9761.884060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9761.884060][ T10] [ 9761.886338][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9761.886338][ T10] netdev_get_by_index+0x5e/0x80 [ 9761.886338][ T10] fib6_nh_init+0x3d8/0x1580 [ 9761.886338][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9761.886338][ T10] ip6_route_add+0x1c/0x140 [ 9761.886338][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9761.886338][ T10] addrconf_add_dev+0xe2/0x170 [ 9761.886338][ T10] inet6_addr_add+0x12f/0xa40 [ 9761.886338][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9761.886338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9761.886338][ T10] netlink_rcv_skb+0x130/0x360 [ 9761.886338][ T10] netlink_unicast+0x449/0x710 [ 9761.886338][ T10] netlink_sendmsg+0x723/0xbe0 [ 9761.886338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9761.886338][ T10] ___sys_sendmsg+0xee/0x170 [ 9761.886338][ T10] __sys_sendmsg+0xcd/0x170 [ 9761.886338][ T10] do_syscall_64+0xc6/0x1e0 [ 9761.886338][ T10] [ 9761.888451][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9761.888451][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9761.888451][ T10] ipv6_find_idev+0x102/0x170 [ 9761.888451][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9761.888451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9761.888451][ T10] netlink_rcv_skb+0x130/0x360 [ 9761.888451][ T10] netlink_unicast+0x449/0x710 [ 9761.888451][ T10] netlink_sendmsg+0x723/0xbe0 [ 9761.888451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9761.888451][ T10] ___sys_sendmsg+0xee/0x170 [ 9761.888451][ T10] __sys_sendmsg+0xcd/0x170 [ 9761.888451][ T10] do_syscall_64+0xc6/0x1e0 [ 9761.888451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9761.888451][ T10] [ 9761.890153][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9761.890153][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9761.890153][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9761.890153][ T10] ipv6_find_idev+0x102/0x170 [ 9761.890153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9761.890153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9761.890153][ T10] netlink_rcv_skb+0x130/0x360 [ 9761.890153][ T10] netlink_unicast+0x449/0x710 [ 9761.890153][ T10] netlink_sendmsg+0x723/0xbe0 [ 9761.890153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9761.890153][ T10] ___sys_sendmsg+0xee/0x170 [ 9761.890153][ T10] __sys_sendmsg+0xcd/0x170 [ 9761.890153][ T10] do_syscall_64+0xc6/0x1e0 [ 9761.890153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9761.890153][ T10] [ 9761.892580][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9761.892818][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9761.892818][ T10] netdev_get_by_index+0x5e/0x80 [ 9761.892818][ T10] fib6_nh_init+0x3d8/0x1580 [ 9761.892818][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9761.892818][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9761.892818][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9761.892818][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9761.892818][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9761.892818][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9761.892818][ T10] addrconf_dad_begin+0x310/0x670 [ 9761.892818][ T10] addrconf_dad_work+0x10b/0xab0 [ 9761.892818][ T10] process_one_work+0x84d/0x18a0 [ 9761.892818][ T10] worker_thread+0x587/0xd30 [ 9761.892818][ T10] kthread+0x28a/0x350 [ 9761.892818][ T10] ret_from_fork+0x31/0x70 [ 9761.892818][ T10] ret_from_fork_asm+0x1a/0x30 [ 9761.892818][ T10] [ 9761.895003][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9761.895003][ T10] netdev_get_by_index+0x5e/0x80 [ 9761.895003][ T10] fib6_nh_init+0x3d8/0x1580 [ 9761.895003][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9761.895003][ T10] ip6_route_add+0x1c/0x140 [ 9761.895003][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9761.895003][ T10] inet6_addr_add+0x4f8/0xa40 [ 9761.895003][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9761.895003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9761.895003][ T10] netlink_rcv_skb+0x130/0x360 [ 9761.895003][ T10] netlink_unicast+0x449/0x710 [ 9761.895003][ T10] netlink_sendmsg+0x723/0xbe0 [ 9761.895003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9761.895003][ T10] ___sys_sendmsg+0xee/0x170 [ 9761.895003][ T10] __sys_sendmsg+0xcd/0x170 [ 9761.895003][ T10] do_syscall_64+0xc6/0x1e0 [ 9761.895003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9761.895003][ T10] [ 9761.897158][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9761.897158][ T10] netdev_get_by_index+0x5e/0x80 [ 9761.897158][ T10] fib6_nh_init+0x3d8/0x1580 [ 9761.897158][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9761.897158][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9761.897158][ T10] ipv6_add_addr+0x411/0x2000 [ 9761.897158][ T10] inet6_addr_add+0x30e/0xa40 [ 9761.897158][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9761.897158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9761.897158][ T10] netlink_rcv_skb+0x130/0x360 [ 9761.897158][ T10] netlink_unicast+0x449/0x710 [ 9761.897158][ T10] netlink_sendmsg+0x723/0xbe0 [ 9761.897158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9761.897158][ T10] ___sys_sendmsg+0xee/0x170 [ 9761.897158][ T10] __sys_sendmsg+0xcd/0x170 [ 9761.897158][ T10] do_syscall_64+0xc6/0x1e0 [ 9761.897158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9761.897158][ T10] [ 9761.899388][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9761.899388][ T10] netdev_get_by_index+0x5e/0x80 [ 9761.899388][ T10] fib6_nh_init+0x3d8/0x1580 [ 9761.899388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9761.899388][ T10] ip6_route_add+0x1c/0x140 [ 9761.899388][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9761.899388][ T10] addrconf_add_dev+0xe2/0x170 [ 9761.899388][ T10] inet6_addr_add+0x12f/0xa40 [ 9761.899388][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9761.899388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9761.899388][ T10] netlink_rcv_skb+0x130/0x360 [ 9761.899388][ T10] netlink_unicast+0x449/0x710 [ 9761.899388][ T10] netlink_sendmsg+0x723/0xbe0 [ 9761.899388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9761.899388][ T10] ___sys_sendmsg+0xee/0x170 [ 9761.899388][ T10] __sys_sendmsg+0xcd/0x170 [ 9761.899388][ T10] do_syscall_64+0xc6/0x1e0 [ 9761.899388][ T10] [ 9761.901570][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9761.901570][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9761.901570][ T10] ipv6_find_idev+0x102/0x170 [ 9761.901570][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9761.901570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9761.901570][ T10] netlink_rcv_skb+0x130/0x360 [ 9761.901570][ T10] netlink_unicast+0x449/0x710 [ 9761.901570][ T10] netlink_sendmsg+0x723/0xbe0 [ 9761.901570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9761.901570][ T10] ___sys_sendmsg+0xee/0x170 [ 9761.901570][ T10] __sys_sendmsg+0xcd/0x170 [ 9761.901570][ T10] do_syscall_64+0xc6/0x1e0 [ 9761.901570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9761.901570][ T10] [ 9761.903293][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9761.903293][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9761.903293][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9761.903293][ T10] ipv6_find_idev+0x102/0x170 [ 9761.903293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9761.903293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9761.903293][ T10] netlink_rcv_skb+0x130/0x360 [ 9761.903293][ T10] netlink_unicast+0x449/0x710 [ 9761.903293][ T10] netlink_sendmsg+0x723/0xbe0 [ 9761.903293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9761.903293][ T10] ___sys_sendmsg+0xee/0x170 [ 9761.903293][ T10] __sys_sendmsg+0xcd/0x170 [ 9761.903293][ T10] do_syscall_64+0xc6/0x1e0 [ 9761.903293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9761.903293][ T10] [ 9764.857027][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9764.857506][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9764.857506][ T1167] dst_init+0x84/0x4a0 [ 9764.857506][ T1167] dst_alloc+0x97/0x150 [ 9764.857506][ T1167] ip6_dst_alloc+0x23/0x90 [ 9764.857506][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9764.857506][ T1167] ip6_pol_route+0x56f/0x840 [ 9764.857506][ T1167] fib6_rule_lookup+0x334/0x630 [ 9764.857506][ T1167] ip6_route_output_flags+0x259/0x480 [ 9764.857506][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9764.857506][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9764.857506][ T1167] netlink_rcv_skb+0x130/0x360 [ 9764.857506][ T1167] netlink_unicast+0x449/0x710 [ 9764.857506][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9764.857506][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9764.857506][ T1167] ___sys_sendmsg+0xee/0x170 [ 9764.857506][ T1167] __sys_sendmsg+0xcd/0x170 [ 9764.857506][ T1167] do_syscall_64+0xc6/0x1e0 [ 9764.857506][ T1167] [ 9764.859699][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9764.859699][ T1167] netdev_get_by_index+0x5e/0x80 [ 9764.859699][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9764.859699][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9764.859699][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9764.859699][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9764.859699][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9764.859699][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9764.859699][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9764.859699][ T1167] addrconf_dad_begin+0x310/0x670 [ 9764.859699][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9764.859699][ T1167] process_one_work+0x84d/0x18a0 [ 9764.859699][ T1167] worker_thread+0x587/0xd30 [ 9764.859699][ T1167] kthread+0x28a/0x350 [ 9764.859699][ T1167] ret_from_fork+0x31/0x70 [ 9764.859699][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9764.859699][ T1167] [ 9764.861830][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9764.861830][ T1167] netdev_get_by_index+0x5e/0x80 [ 9764.861830][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9764.861830][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9764.861830][ T1167] ip6_route_add+0x1c/0x140 [ 9764.861830][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9764.861830][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9764.861830][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9764.861830][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9764.861830][ T1167] netlink_rcv_skb+0x130/0x360 [ 9764.861830][ T1167] netlink_unicast+0x449/0x710 [ 9764.861830][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9764.861830][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9764.861830][ T1167] ___sys_sendmsg+0xee/0x170 [ 9764.861830][ T1167] __sys_sendmsg+0xcd/0x170 [ 9764.861830][ T1167] do_syscall_64+0xc6/0x1e0 [ 9764.861830][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9764.861830][ T1167] [ 9764.864065][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9764.864065][ T1167] netdev_get_by_index+0x5e/0x80 [ 9764.864065][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9764.864065][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9764.864065][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9764.864065][ T1167] ipv6_add_addr+0x411/0x2000 [ 9764.864065][ T1167] inet6_addr_add+0x30e/0xa40 [ 9764.864065][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9764.864065][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9764.864065][ T1167] netlink_rcv_skb+0x130/0x360 [ 9764.864065][ T1167] netlink_unicast+0x449/0x710 [ 9764.864065][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9764.864065][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9764.864065][ T1167] ___sys_sendmsg+0xee/0x170 [ 9764.864065][ T1167] __sys_sendmsg+0xcd/0x170 [ 9764.864065][ T1167] do_syscall_64+0xc6/0x1e0 [ 9764.864065][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9764.864065][ T1167] [ 9764.866305][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9764.866305][ T1167] netdev_get_by_index+0x5e/0x80 [ 9764.866305][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9764.866305][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9764.866305][ T1167] ip6_route_add+0x1c/0x140 [ 9764.866305][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9764.866305][ T1167] addrconf_add_dev+0xe2/0x170 [ 9764.866305][ T1167] inet6_addr_add+0x12f/0xa40 [ 9764.866305][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9764.866305][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9764.866305][ T1167] netlink_rcv_skb+0x130/0x360 [ 9764.866305][ T1167] netlink_unicast+0x449/0x710 [ 9764.866305][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9764.866305][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9764.866305][ T1167] ___sys_sendmsg+0xee/0x170 [ 9764.866305][ T1167] __sys_sendmsg+0xcd/0x170 [ 9764.866305][ T1167] do_syscall_64+0xc6/0x1e0 [ 9764.866305][ T1167] [ 9764.868497][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9764.868497][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9764.868497][ T1167] ipv6_find_idev+0x102/0x170 [ 9764.868497][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9764.868497][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9764.868497][ T1167] netlink_rcv_skb+0x130/0x360 [ 9764.868497][ T1167] netlink_unicast+0x449/0x710 [ 9764.868497][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9764.868497][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9764.868497][ T1167] ___sys_sendmsg+0xee/0x170 [ 9764.868497][ T1167] __sys_sendmsg+0xcd/0x170 [ 9764.868497][ T1167] do_syscall_64+0xc6/0x1e0 [ 9764.868497][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9764.868497][ T1167] [ 9764.870217][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9764.870217][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9764.870217][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9764.870217][ T1167] ipv6_find_idev+0x102/0x170 [ 9764.870217][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9764.870217][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9764.870217][ T1167] netlink_rcv_skb+0x130/0x360 [ 9764.870217][ T1167] netlink_unicast+0x449/0x710 [ 9764.870217][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9764.870217][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9764.870217][ T1167] ___sys_sendmsg+0xee/0x170 [ 9764.870217][ T1167] __sys_sendmsg+0xcd/0x170 [ 9764.870217][ T1167] do_syscall_64+0xc6/0x1e0 [ 9764.870217][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9764.870217][ T1167] [ 9772.145117][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9772.145532][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9772.145532][ T10] netdev_get_by_index+0x5e/0x80 [ 9772.145532][ T10] fib6_nh_init+0x3d8/0x1580 [ 9772.145532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9772.145532][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9772.145532][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9772.145532][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9772.145532][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9772.145532][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9772.145532][ T10] addrconf_dad_begin+0x310/0x670 [ 9772.145532][ T10] addrconf_dad_work+0x10b/0xab0 [ 9772.145532][ T10] process_one_work+0x84d/0x18a0 [ 9772.145532][ T10] worker_thread+0x587/0xd30 [ 9772.145532][ T10] kthread+0x28a/0x350 [ 9772.145532][ T10] ret_from_fork+0x31/0x70 [ 9772.145532][ T10] ret_from_fork_asm+0x1a/0x30 [ 9772.145532][ T10] [ 9772.147455][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9772.147455][ T10] netdev_get_by_index+0x5e/0x80 [ 9772.147455][ T10] fib6_nh_init+0x3d8/0x1580 [ 9772.147455][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9772.147455][ T10] ip6_route_add+0x1c/0x140 [ 9772.147455][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9772.147455][ T10] inet6_addr_add+0x4f8/0xa40 [ 9772.147455][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9772.147455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9772.147455][ T10] netlink_rcv_skb+0x130/0x360 [ 9772.147455][ T10] netlink_unicast+0x449/0x710 [ 9772.147455][ T10] netlink_sendmsg+0x723/0xbe0 [ 9772.147455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9772.147455][ T10] ___sys_sendmsg+0xee/0x170 [ 9772.147455][ T10] __sys_sendmsg+0xcd/0x170 [ 9772.147455][ T10] do_syscall_64+0xc6/0x1e0 [ 9772.147455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9772.147455][ T10] [ 9772.149455][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9772.149455][ T10] netdev_get_by_index+0x5e/0x80 [ 9772.149455][ T10] fib6_nh_init+0x3d8/0x1580 [ 9772.149455][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9772.149455][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9772.149455][ T10] ipv6_add_addr+0x411/0x2000 [ 9772.149455][ T10] inet6_addr_add+0x30e/0xa40 [ 9772.149455][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9772.149455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9772.149455][ T10] netlink_rcv_skb+0x130/0x360 [ 9772.149455][ T10] netlink_unicast+0x449/0x710 [ 9772.149455][ T10] netlink_sendmsg+0x723/0xbe0 [ 9772.149455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9772.149455][ T10] ___sys_sendmsg+0xee/0x170 [ 9772.149455][ T10] __sys_sendmsg+0xcd/0x170 [ 9772.149455][ T10] do_syscall_64+0xc6/0x1e0 [ 9772.149455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9772.149455][ T10] [ 9772.151451][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9772.151451][ T10] netdev_get_by_index+0x5e/0x80 [ 9772.151451][ T10] fib6_nh_init+0x3d8/0x1580 [ 9772.151451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9772.151451][ T10] ip6_route_add+0x1c/0x140 [ 9772.151451][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9772.151451][ T10] addrconf_add_dev+0xe2/0x170 [ 9772.151451][ T10] inet6_addr_add+0x12f/0xa40 [ 9772.151451][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9772.151451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9772.151451][ T10] netlink_rcv_skb+0x130/0x360 [ 9772.151451][ T10] netlink_unicast+0x449/0x710 [ 9772.151451][ T10] netlink_sendmsg+0x723/0xbe0 [ 9772.151451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9772.151451][ T10] ___sys_sendmsg+0xee/0x170 [ 9772.151451][ T10] __sys_sendmsg+0xcd/0x170 [ 9772.151451][ T10] do_syscall_64+0xc6/0x1e0 [ 9772.151451][ T10] [ 9772.153414][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9772.153414][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9772.153414][ T10] ipv6_find_idev+0x102/0x170 [ 9772.153414][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9772.153414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9772.153414][ T10] netlink_rcv_skb+0x130/0x360 [ 9772.153414][ T10] netlink_unicast+0x449/0x710 [ 9772.153414][ T10] netlink_sendmsg+0x723/0xbe0 [ 9772.153414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9772.153414][ T10] ___sys_sendmsg+0xee/0x170 [ 9772.153414][ T10] __sys_sendmsg+0xcd/0x170 [ 9772.153414][ T10] do_syscall_64+0xc6/0x1e0 [ 9772.153414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9772.153414][ T10] [ 9772.154940][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9772.154940][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9772.154940][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9772.154940][ T10] ipv6_find_idev+0x102/0x170 [ 9772.154940][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9772.154940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9772.154940][ T10] netlink_rcv_skb+0x130/0x360 [ 9772.154940][ T10] netlink_unicast+0x449/0x710 [ 9772.154940][ T10] netlink_sendmsg+0x723/0xbe0 [ 9772.154940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9772.154940][ T10] ___sys_sendmsg+0xee/0x170 [ 9772.154940][ T10] __sys_sendmsg+0xcd/0x170 [ 9772.154940][ T10] do_syscall_64+0xc6/0x1e0 [ 9772.154940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9772.154940][ T10] [ 9772.156613][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9772.156856][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9772.156856][ T10] netdev_get_by_index+0x5e/0x80 [ 9772.156856][ T10] fib6_nh_init+0x3d8/0x1580 [ 9772.156856][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9772.156856][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9772.156856][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9772.156856][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9772.156856][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9772.156856][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9772.156856][ T10] addrconf_dad_begin+0x310/0x670 [ 9772.156856][ T10] addrconf_dad_work+0x10b/0xab0 [ 9772.156856][ T10] process_one_work+0x84d/0x18a0 [ 9772.156856][ T10] worker_thread+0x587/0xd30 [ 9772.156856][ T10] kthread+0x28a/0x350 [ 9772.156856][ T10] ret_from_fork+0x31/0x70 [ 9772.156856][ T10] ret_from_fork_asm+0x1a/0x30 [ 9772.156856][ T10] [ 9772.158753][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9772.158753][ T10] netdev_get_by_index+0x5e/0x80 [ 9772.158753][ T10] fib6_nh_init+0x3d8/0x1580 [ 9772.158753][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9772.158753][ T10] ip6_route_add+0x1c/0x140 [ 9772.158753][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9772.158753][ T10] inet6_addr_add+0x4f8/0xa40 [ 9772.158753][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9772.158753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9772.158753][ T10] netlink_rcv_skb+0x130/0x360 [ 9772.158753][ T10] netlink_unicast+0x449/0x710 [ 9772.158753][ T10] netlink_sendmsg+0x723/0xbe0 [ 9772.158753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9772.158753][ T10] ___sys_sendmsg+0xee/0x170 [ 9772.158753][ T10] __sys_sendmsg+0xcd/0x170 [ 9772.158753][ T10] do_syscall_64+0xc6/0x1e0 [ 9772.158753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9772.158753][ T10] [ 9772.160739][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9772.160739][ T10] netdev_get_by_index+0x5e/0x80 [ 9772.160739][ T10] fib6_nh_init+0x3d8/0x1580 [ 9772.160739][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9772.160739][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9772.160739][ T10] ipv6_add_addr+0x411/0x2000 [ 9772.160739][ T10] inet6_addr_add+0x30e/0xa40 [ 9772.160739][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9772.160739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9772.160739][ T10] netlink_rcv_skb+0x130/0x360 [ 9772.160739][ T10] netlink_unicast+0x449/0x710 [ 9772.160739][ T10] netlink_sendmsg+0x723/0xbe0 [ 9772.160739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9772.160739][ T10] ___sys_sendmsg+0xee/0x170 [ 9772.160739][ T10] __sys_sendmsg+0xcd/0x170 [ 9772.160739][ T10] do_syscall_64+0xc6/0x1e0 [ 9772.160739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9772.160739][ T10] [ 9772.162741][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9772.162741][ T10] netdev_get_by_index+0x5e/0x80 [ 9772.162741][ T10] fib6_nh_init+0x3d8/0x1580 [ 9772.162741][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9772.162741][ T10] ip6_route_add+0x1c/0x140 [ 9772.162741][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9772.162741][ T10] addrconf_add_dev+0xe2/0x170 [ 9772.162741][ T10] inet6_addr_add+0x12f/0xa40 [ 9772.162741][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9772.162741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9772.162741][ T10] netlink_rcv_skb+0x130/0x360 [ 9772.162741][ T10] netlink_unicast+0x449/0x710 [ 9772.162741][ T10] netlink_sendmsg+0x723/0xbe0 [ 9772.162741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9772.162741][ T10] ___sys_sendmsg+0xee/0x170 [ 9772.162741][ T10] __sys_sendmsg+0xcd/0x170 [ 9772.162741][ T10] do_syscall_64+0xc6/0x1e0 [ 9772.162741][ T10] [ 9772.164687][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9772.164687][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9772.164687][ T10] ipv6_find_idev+0x102/0x170 [ 9772.164687][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9772.164687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9772.164687][ T10] netlink_rcv_skb+0x130/0x360 [ 9772.164687][ T10] netlink_unicast+0x449/0x710 [ 9772.164687][ T10] netlink_sendmsg+0x723/0xbe0 [ 9772.164687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9772.164687][ T10] ___sys_sendmsg+0xee/0x170 [ 9772.164687][ T10] __sys_sendmsg+0xcd/0x170 [ 9772.164687][ T10] do_syscall_64+0xc6/0x1e0 [ 9772.164687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9772.164687][ T10] [ 9772.166222][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9772.166222][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9772.166222][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9772.166222][ T10] ipv6_find_idev+0x102/0x170 [ 9772.166222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9772.166222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9772.166222][ T10] netlink_rcv_skb+0x130/0x360 [ 9772.166222][ T10] netlink_unicast+0x449/0x710 [ 9772.166222][ T10] netlink_sendmsg+0x723/0xbe0 [ 9772.166222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9772.166222][ T10] ___sys_sendmsg+0xee/0x170 [ 9772.166222][ T10] __sys_sendmsg+0xcd/0x170 [ 9772.166222][ T10] do_syscall_64+0xc6/0x1e0 [ 9772.166222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9772.166222][ T10] [ 9772.167891][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9772.168140][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9772.168140][ T10] netdev_get_by_index+0x5e/0x80 [ 9772.168140][ T10] fib6_nh_init+0x3d8/0x1580 [ 9772.168140][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9772.168140][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9772.168140][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9772.168140][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9772.168140][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9772.168140][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9772.168140][ T10] addrconf_dad_begin+0x310/0x670 [ 9772.168140][ T10] addrconf_dad_work+0x10b/0xab0 [ 9772.168140][ T10] process_one_work+0x84d/0x18a0 [ 9772.168140][ T10] worker_thread+0x587/0xd30 [ 9772.168140][ T10] kthread+0x28a/0x350 [ 9772.168140][ T10] ret_from_fork+0x31/0x70 [ 9772.168140][ T10] ret_from_fork_asm+0x1a/0x30 [ 9772.168140][ T10] [ 9772.170037][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9772.170037][ T10] netdev_get_by_index+0x5e/0x80 [ 9772.170037][ T10] fib6_nh_init+0x3d8/0x1580 [ 9772.170037][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9772.170037][ T10] ip6_route_add+0x1c/0x140 [ 9772.170037][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9772.170037][ T10] inet6_addr_add+0x4f8/0xa40 [ 9772.170037][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9772.170037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9772.170037][ T10] netlink_rcv_skb+0x130/0x360 [ 9772.170037][ T10] netlink_unicast+0x449/0x710 [ 9772.170037][ T10] netlink_sendmsg+0x723/0xbe0 [ 9772.170037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9772.170037][ T10] ___sys_sendmsg+0xee/0x170 [ 9772.170037][ T10] __sys_sendmsg+0xcd/0x170 [ 9772.170037][ T10] do_syscall_64+0xc6/0x1e0 [ 9772.170037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9772.170037][ T10] [ 9772.172196][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9772.172196][ T10] netdev_get_by_index+0x5e/0x80 [ 9772.172196][ T10] fib6_nh_init+0x3d8/0x1580 [ 9772.172196][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9772.172196][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9772.172196][ T10] ipv6_add_addr+0x411/0x2000 [ 9772.172196][ T10] inet6_addr_add+0x30e/0xa40 [ 9772.172196][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9772.172196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9772.172196][ T10] netlink_rcv_skb+0x130/0x360 [ 9772.172196][ T10] netlink_unicast+0x449/0x710 [ 9772.172196][ T10] netlink_sendmsg+0x723/0xbe0 [ 9772.172196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9772.172196][ T10] ___sys_sendmsg+0xee/0x170 [ 9772.172196][ T10] __sys_sendmsg+0xcd/0x170 [ 9772.172196][ T10] do_syscall_64+0xc6/0x1e0 [ 9772.172196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9772.172196][ T10] [ 9772.174477][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9772.174477][ T10] netdev_get_by_index+0x5e/0x80 [ 9772.174477][ T10] fib6_nh_init+0x3d8/0x1580 [ 9772.174477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9772.174477][ T10] ip6_route_add+0x1c/0x140 [ 9772.174477][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9772.174477][ T10] addrconf_add_dev+0xe2/0x170 [ 9772.174477][ T10] inet6_addr_add+0x12f/0xa40 [ 9772.174477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9772.174477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9772.174477][ T10] netlink_rcv_skb+0x130/0x360 [ 9772.174477][ T10] netlink_unicast+0x449/0x710 [ 9772.174477][ T10] netlink_sendmsg+0x723/0xbe0 [ 9772.174477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9772.174477][ T10] ___sys_sendmsg+0xee/0x170 [ 9772.174477][ T10] __sys_sendmsg+0xcd/0x170 [ 9772.174477][ T10] do_syscall_64+0xc6/0x1e0 [ 9772.174477][ T10] [ 9772.176601][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9772.176601][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9772.176601][ T10] ipv6_find_idev+0x102/0x170 [ 9772.176601][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9772.176601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9772.176601][ T10] netlink_rcv_skb+0x130/0x360 [ 9772.176601][ T10] netlink_unicast+0x449/0x710 [ 9772.176601][ T10] netlink_sendmsg+0x723/0xbe0 [ 9772.176601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9772.176601][ T10] ___sys_sendmsg+0xee/0x170 [ 9772.176601][ T10] __sys_sendmsg+0xcd/0x170 [ 9772.176601][ T10] do_syscall_64+0xc6/0x1e0 [ 9772.176601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9772.176601][ T10] [ 9772.178306][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9772.178306][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9772.178306][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9772.178306][ T10] ipv6_find_idev+0x102/0x170 [ 9772.178306][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9772.178306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9772.178306][ T10] netlink_rcv_skb+0x130/0x360 [ 9772.178306][ T10] netlink_unicast+0x449/0x710 [ 9772.178306][ T10] netlink_sendmsg+0x723/0xbe0 [ 9772.178306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9772.178306][ T10] ___sys_sendmsg+0xee/0x170 [ 9772.178306][ T10] __sys_sendmsg+0xcd/0x170 [ 9772.178306][ T10] do_syscall_64+0xc6/0x1e0 [ 9772.178306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9772.178306][ T10] [ 9772.180329][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9772.180573][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9772.180573][ T10] netdev_get_by_index+0x5e/0x80 [ 9772.180573][ T10] fib6_nh_init+0x3d8/0x1580 [ 9772.180573][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9772.180573][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9772.180573][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9772.180573][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9772.180573][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9772.180573][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9772.180573][ T10] addrconf_dad_begin+0x310/0x670 [ 9772.180573][ T10] addrconf_dad_work+0x10b/0xab0 [ 9772.180573][ T10] process_one_work+0x84d/0x18a0 [ 9772.180573][ T10] worker_thread+0x587/0xd30 [ 9772.180573][ T10] kthread+0x28a/0x350 [ 9772.180573][ T10] ret_from_fork+0x31/0x70 [ 9772.180573][ T10] ret_from_fork_asm+0x1a/0x30 [ 9772.180573][ T10] [ 9772.182767][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9772.182767][ T10] netdev_get_by_index+0x5e/0x80 [ 9772.182767][ T10] fib6_nh_init+0x3d8/0x1580 [ 9772.182767][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9772.182767][ T10] ip6_route_add+0x1c/0x140 [ 9772.182767][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9772.182767][ T10] inet6_addr_add+0x4f8/0xa40 [ 9772.182767][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9772.182767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9772.182767][ T10] netlink_rcv_skb+0x130/0x360 [ 9772.182767][ T10] netlink_unicast+0x449/0x710 [ 9772.182767][ T10] netlink_sendmsg+0x723/0xbe0 [ 9772.182767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9772.182767][ T10] ___sys_sendmsg+0xee/0x170 [ 9772.182767][ T10] __sys_sendmsg+0xcd/0x170 [ 9772.182767][ T10] do_syscall_64+0xc6/0x1e0 [ 9772.182767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9772.182767][ T10] [ 9772.184924][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9772.184924][ T10] netdev_get_by_index+0x5e/0x80 [ 9772.184924][ T10] fib6_nh_init+0x3d8/0x1580 [ 9772.184924][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9772.184924][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9772.184924][ T10] ipv6_add_addr+0x411/0x2000 [ 9772.184924][ T10] inet6_addr_add+0x30e/0xa40 [ 9772.184924][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9772.184924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9772.184924][ T10] netlink_rcv_skb+0x130/0x360 [ 9772.184924][ T10] netlink_unicast+0x449/0x710 [ 9772.184924][ T10] netlink_sendmsg+0x723/0xbe0 [ 9772.184924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9772.184924][ T10] ___sys_sendmsg+0xee/0x170 [ 9772.184924][ T10] __sys_sendmsg+0xcd/0x170 [ 9772.184924][ T10] do_syscall_64+0xc6/0x1e0 [ 9772.184924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9772.184924][ T10] [ 9772.187137][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9772.187137][ T10] netdev_get_by_index+0x5e/0x80 [ 9772.187137][ T10] fib6_nh_init+0x3d8/0x1580 [ 9772.187137][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9772.187137][ T10] ip6_route_add+0x1c/0x140 [ 9772.187137][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9772.187137][ T10] addrconf_add_dev+0xe2/0x170 [ 9772.187137][ T10] inet6_addr_add+0x12f/0xa40 [ 9772.187137][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9772.187137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9772.187137][ T10] netlink_rcv_skb+0x130/0x360 [ 9772.187137][ T10] netlink_unicast+0x449/0x710 [ 9772.187137][ T10] netlink_sendmsg+0x723/0xbe0 [ 9772.187137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9772.187137][ T10] ___sys_sendmsg+0xee/0x170 [ 9772.187137][ T10] __sys_sendmsg+0xcd/0x170 [ 9772.187137][ T10] do_syscall_64+0xc6/0x1e0 [ 9772.187137][ T10] [ 9772.189314][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9772.189314][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9772.189314][ T10] ipv6_find_idev+0x102/0x170 [ 9772.189314][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9772.189314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9772.189314][ T10] netlink_rcv_skb+0x130/0x360 [ 9772.189314][ T10] netlink_unicast+0x449/0x710 [ 9772.189314][ T10] netlink_sendmsg+0x723/0xbe0 [ 9772.189314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9772.189314][ T10] ___sys_sendmsg+0xee/0x170 [ 9772.189314][ T10] __sys_sendmsg+0xcd/0x170 [ 9772.189314][ T10] do_syscall_64+0xc6/0x1e0 [ 9772.189314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9772.189314][ T10] [ 9772.191018][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9772.191018][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9772.191018][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9772.191018][ T10] ipv6_find_idev+0x102/0x170 [ 9772.191018][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9772.191018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9772.191018][ T10] netlink_rcv_skb+0x130/0x360 [ 9772.191018][ T10] netlink_unicast+0x449/0x710 [ 9772.191018][ T10] netlink_sendmsg+0x723/0xbe0 [ 9772.191018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9772.191018][ T10] ___sys_sendmsg+0xee/0x170 [ 9772.191018][ T10] __sys_sendmsg+0xcd/0x170 [ 9772.191018][ T10] do_syscall_64+0xc6/0x1e0 [ 9772.191018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9772.191018][ T10] [ 9775.113034][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9775.113509][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9775.113509][ T1167] dst_init+0x84/0x4a0 [ 9775.113509][ T1167] dst_alloc+0x97/0x150 [ 9775.113509][ T1167] ip6_dst_alloc+0x23/0x90 [ 9775.113509][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9775.113509][ T1167] ip6_pol_route+0x56f/0x840 [ 9775.113509][ T1167] fib6_rule_lookup+0x334/0x630 [ 9775.113509][ T1167] ip6_route_output_flags+0x259/0x480 [ 9775.113509][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9775.113509][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9775.113509][ T1167] netlink_rcv_skb+0x130/0x360 [ 9775.113509][ T1167] netlink_unicast+0x449/0x710 [ 9775.113509][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9775.113509][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9775.113509][ T1167] ___sys_sendmsg+0xee/0x170 [ 9775.113509][ T1167] __sys_sendmsg+0xcd/0x170 [ 9775.113509][ T1167] do_syscall_64+0xc6/0x1e0 [ 9775.113509][ T1167] [ 9775.115694][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9775.115694][ T1167] netdev_get_by_index+0x5e/0x80 [ 9775.115694][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9775.115694][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9775.115694][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9775.115694][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9775.115694][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9775.115694][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9775.115694][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9775.115694][ T1167] addrconf_dad_begin+0x310/0x670 [ 9775.115694][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9775.115694][ T1167] process_one_work+0x84d/0x18a0 [ 9775.115694][ T1167] worker_thread+0x587/0xd30 [ 9775.115694][ T1167] kthread+0x28a/0x350 [ 9775.115694][ T1167] ret_from_fork+0x31/0x70 [ 9775.115694][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9775.115694][ T1167] [ 9775.117825][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9775.117825][ T1167] netdev_get_by_index+0x5e/0x80 [ 9775.117825][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9775.117825][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9775.117825][ T1167] ip6_route_add+0x1c/0x140 [ 9775.117825][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9775.117825][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9775.117825][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9775.117825][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9775.117825][ T1167] netlink_rcv_skb+0x130/0x360 [ 9775.117825][ T1167] netlink_unicast+0x449/0x710 [ 9775.117825][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9775.117825][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9775.117825][ T1167] ___sys_sendmsg+0xee/0x170 [ 9775.117825][ T1167] __sys_sendmsg+0xcd/0x170 [ 9775.117825][ T1167] do_syscall_64+0xc6/0x1e0 [ 9775.117825][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9775.117825][ T1167] [ 9775.120047][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9775.120047][ T1167] netdev_get_by_index+0x5e/0x80 [ 9775.120047][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9775.120047][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9775.120047][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9775.120047][ T1167] ipv6_add_addr+0x411/0x2000 [ 9775.120047][ T1167] inet6_addr_add+0x30e/0xa40 [ 9775.120047][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9775.120047][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9775.120047][ T1167] netlink_rcv_skb+0x130/0x360 [ 9775.120047][ T1167] netlink_unicast+0x449/0x710 [ 9775.120047][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9775.120047][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9775.120047][ T1167] ___sys_sendmsg+0xee/0x170 [ 9775.120047][ T1167] __sys_sendmsg+0xcd/0x170 [ 9775.120047][ T1167] do_syscall_64+0xc6/0x1e0 [ 9775.120047][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9775.120047][ T1167] [ 9775.122271][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9775.122271][ T1167] netdev_get_by_index+0x5e/0x80 [ 9775.122271][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9775.122271][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9775.122271][ T1167] ip6_route_add+0x1c/0x140 [ 9775.122271][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9775.122271][ T1167] addrconf_add_dev+0xe2/0x170 [ 9775.122271][ T1167] inet6_addr_add+0x12f/0xa40 [ 9775.122271][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9775.122271][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9775.122271][ T1167] netlink_rcv_skb+0x130/0x360 [ 9775.122271][ T1167] netlink_unicast+0x449/0x710 [ 9775.122271][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9775.122271][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9775.122271][ T1167] ___sys_sendmsg+0xee/0x170 [ 9775.122271][ T1167] __sys_sendmsg+0xcd/0x170 [ 9775.122271][ T1167] do_syscall_64+0xc6/0x1e0 [ 9775.122271][ T1167] [ 9775.124476][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9775.124476][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9775.124476][ T1167] ipv6_find_idev+0x102/0x170 [ 9775.124476][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9775.124476][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9775.124476][ T1167] netlink_rcv_skb+0x130/0x360 [ 9775.124476][ T1167] netlink_unicast+0x449/0x710 [ 9775.124476][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9775.124476][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9775.124476][ T1167] ___sys_sendmsg+0xee/0x170 [ 9775.124476][ T1167] __sys_sendmsg+0xcd/0x170 [ 9775.124476][ T1167] do_syscall_64+0xc6/0x1e0 [ 9775.124476][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9775.124476][ T1167] [ 9775.126190][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9775.126190][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9775.126190][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9775.126190][ T1167] ipv6_find_idev+0x102/0x170 [ 9775.126190][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9775.126190][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9775.126190][ T1167] netlink_rcv_skb+0x130/0x360 [ 9775.126190][ T1167] netlink_unicast+0x449/0x710 [ 9775.126190][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9775.126190][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9775.126190][ T1167] ___sys_sendmsg+0xee/0x170 [ 9775.126190][ T1167] __sys_sendmsg+0xcd/0x170 [ 9775.126190][ T1167] do_syscall_64+0xc6/0x1e0 [ 9775.126190][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9775.126190][ T1167] [ 9782.433043][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9782.433447][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9782.433447][ T10] netdev_get_by_index+0x5e/0x80 [ 9782.433447][ T10] fib6_nh_init+0x3d8/0x1580 [ 9782.433447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9782.433447][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9782.433447][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9782.433447][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9782.433447][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9782.433447][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9782.433447][ T10] addrconf_dad_begin+0x310/0x670 [ 9782.433447][ T10] addrconf_dad_work+0x10b/0xab0 [ 9782.433447][ T10] process_one_work+0x84d/0x18a0 [ 9782.433447][ T10] worker_thread+0x587/0xd30 [ 9782.433447][ T10] kthread+0x28a/0x350 [ 9782.433447][ T10] ret_from_fork+0x31/0x70 [ 9782.433447][ T10] ret_from_fork_asm+0x1a/0x30 [ 9782.433447][ T10] [ 9782.435374][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9782.435374][ T10] netdev_get_by_index+0x5e/0x80 [ 9782.435374][ T10] fib6_nh_init+0x3d8/0x1580 [ 9782.435374][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9782.435374][ T10] ip6_route_add+0x1c/0x140 [ 9782.435374][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9782.435374][ T10] inet6_addr_add+0x4f8/0xa40 [ 9782.435374][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9782.435374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9782.435374][ T10] netlink_rcv_skb+0x130/0x360 [ 9782.435374][ T10] netlink_unicast+0x449/0x710 [ 9782.435374][ T10] netlink_sendmsg+0x723/0xbe0 [ 9782.435374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9782.435374][ T10] ___sys_sendmsg+0xee/0x170 [ 9782.435374][ T10] __sys_sendmsg+0xcd/0x170 [ 9782.435374][ T10] do_syscall_64+0xc6/0x1e0 [ 9782.435374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9782.435374][ T10] [ 9782.437366][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9782.437366][ T10] netdev_get_by_index+0x5e/0x80 [ 9782.437366][ T10] fib6_nh_init+0x3d8/0x1580 [ 9782.437366][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9782.437366][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9782.437366][ T10] ipv6_add_addr+0x411/0x2000 [ 9782.437366][ T10] inet6_addr_add+0x30e/0xa40 [ 9782.437366][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9782.437366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9782.437366][ T10] netlink_rcv_skb+0x130/0x360 [ 9782.437366][ T10] netlink_unicast+0x449/0x710 [ 9782.437366][ T10] netlink_sendmsg+0x723/0xbe0 [ 9782.437366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9782.437366][ T10] ___sys_sendmsg+0xee/0x170 [ 9782.437366][ T10] __sys_sendmsg+0xcd/0x170 [ 9782.437366][ T10] do_syscall_64+0xc6/0x1e0 [ 9782.437366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9782.437366][ T10] [ 9782.439348][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9782.439348][ T10] netdev_get_by_index+0x5e/0x80 [ 9782.439348][ T10] fib6_nh_init+0x3d8/0x1580 [ 9782.439348][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9782.439348][ T10] ip6_route_add+0x1c/0x140 [ 9782.439348][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9782.439348][ T10] addrconf_add_dev+0xe2/0x170 [ 9782.439348][ T10] inet6_addr_add+0x12f/0xa40 [ 9782.439348][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9782.439348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9782.439348][ T10] netlink_rcv_skb+0x130/0x360 [ 9782.439348][ T10] netlink_unicast+0x449/0x710 [ 9782.439348][ T10] netlink_sendmsg+0x723/0xbe0 [ 9782.439348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9782.439348][ T10] ___sys_sendmsg+0xee/0x170 [ 9782.439348][ T10] __sys_sendmsg+0xcd/0x170 [ 9782.439348][ T10] do_syscall_64+0xc6/0x1e0 [ 9782.439348][ T10] [ 9782.441301][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9782.441301][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9782.441301][ T10] ipv6_find_idev+0x102/0x170 [ 9782.441301][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9782.441301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9782.441301][ T10] netlink_rcv_skb+0x130/0x360 [ 9782.441301][ T10] netlink_unicast+0x449/0x710 [ 9782.441301][ T10] netlink_sendmsg+0x723/0xbe0 [ 9782.441301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9782.441301][ T10] ___sys_sendmsg+0xee/0x170 [ 9782.441301][ T10] __sys_sendmsg+0xcd/0x170 [ 9782.441301][ T10] do_syscall_64+0xc6/0x1e0 [ 9782.441301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9782.441301][ T10] [ 9782.442846][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9782.442846][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9782.442846][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9782.442846][ T10] ipv6_find_idev+0x102/0x170 [ 9782.442846][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9782.442846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9782.442846][ T10] netlink_rcv_skb+0x130/0x360 [ 9782.442846][ T10] netlink_unicast+0x449/0x710 [ 9782.442846][ T10] netlink_sendmsg+0x723/0xbe0 [ 9782.442846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9782.442846][ T10] ___sys_sendmsg+0xee/0x170 [ 9782.442846][ T10] __sys_sendmsg+0xcd/0x170 [ 9782.442846][ T10] do_syscall_64+0xc6/0x1e0 [ 9782.442846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9782.442846][ T10] [ 9782.444518][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9782.444760][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9782.444760][ T10] netdev_get_by_index+0x5e/0x80 [ 9782.444760][ T10] fib6_nh_init+0x3d8/0x1580 [ 9782.444760][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9782.444760][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9782.444760][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9782.444760][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9782.444760][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9782.444760][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9782.444760][ T10] addrconf_dad_begin+0x310/0x670 [ 9782.444760][ T10] addrconf_dad_work+0x10b/0xab0 [ 9782.444760][ T10] process_one_work+0x84d/0x18a0 [ 9782.444760][ T10] worker_thread+0x587/0xd30 [ 9782.444760][ T10] kthread+0x28a/0x350 [ 9782.444760][ T10] ret_from_fork+0x31/0x70 [ 9782.444760][ T10] ret_from_fork_asm+0x1a/0x30 [ 9782.444760][ T10] [ 9782.446654][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9782.446654][ T10] netdev_get_by_index+0x5e/0x80 [ 9782.446654][ T10] fib6_nh_init+0x3d8/0x1580 [ 9782.446654][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9782.446654][ T10] ip6_route_add+0x1c/0x140 [ 9782.446654][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9782.446654][ T10] inet6_addr_add+0x4f8/0xa40 [ 9782.446654][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9782.446654][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9782.446654][ T10] netlink_rcv_skb+0x130/0x360 [ 9782.446654][ T10] netlink_unicast+0x449/0x710 [ 9782.446654][ T10] netlink_sendmsg+0x723/0xbe0 [ 9782.446654][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9782.446654][ T10] ___sys_sendmsg+0xee/0x170 [ 9782.446654][ T10] __sys_sendmsg+0xcd/0x170 [ 9782.446654][ T10] do_syscall_64+0xc6/0x1e0 [ 9782.446654][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9782.446654][ T10] [ 9782.448636][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9782.448636][ T10] netdev_get_by_index+0x5e/0x80 [ 9782.448636][ T10] fib6_nh_init+0x3d8/0x1580 [ 9782.448636][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9782.448636][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9782.448636][ T10] ipv6_add_addr+0x411/0x2000 [ 9782.448636][ T10] inet6_addr_add+0x30e/0xa40 [ 9782.448636][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9782.448636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9782.448636][ T10] netlink_rcv_skb+0x130/0x360 [ 9782.448636][ T10] netlink_unicast+0x449/0x710 [ 9782.448636][ T10] netlink_sendmsg+0x723/0xbe0 [ 9782.448636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9782.448636][ T10] ___sys_sendmsg+0xee/0x170 [ 9782.448636][ T10] __sys_sendmsg+0xcd/0x170 [ 9782.448636][ T10] do_syscall_64+0xc6/0x1e0 [ 9782.448636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9782.448636][ T10] [ 9782.450615][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9782.450615][ T10] netdev_get_by_index+0x5e/0x80 [ 9782.450615][ T10] fib6_nh_init+0x3d8/0x1580 [ 9782.450615][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9782.450615][ T10] ip6_route_add+0x1c/0x140 [ 9782.450615][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9782.450615][ T10] addrconf_add_dev+0xe2/0x170 [ 9782.450615][ T10] inet6_addr_add+0x12f/0xa40 [ 9782.450615][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9782.450615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9782.450615][ T10] netlink_rcv_skb+0x130/0x360 [ 9782.450615][ T10] netlink_unicast+0x449/0x710 [ 9782.450615][ T10] netlink_sendmsg+0x723/0xbe0 [ 9782.450615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9782.450615][ T10] ___sys_sendmsg+0xee/0x170 [ 9782.450615][ T10] __sys_sendmsg+0xcd/0x170 [ 9782.450615][ T10] do_syscall_64+0xc6/0x1e0 [ 9782.450615][ T10] [ 9782.452572][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9782.452572][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9782.452572][ T10] ipv6_find_idev+0x102/0x170 [ 9782.452572][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9782.452572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9782.452572][ T10] netlink_rcv_skb+0x130/0x360 [ 9782.452572][ T10] netlink_unicast+0x449/0x710 [ 9782.452572][ T10] netlink_sendmsg+0x723/0xbe0 [ 9782.452572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9782.452572][ T10] ___sys_sendmsg+0xee/0x170 [ 9782.452572][ T10] __sys_sendmsg+0xcd/0x170 [ 9782.452572][ T10] do_syscall_64+0xc6/0x1e0 [ 9782.452572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9782.452572][ T10] [ 9782.454090][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9782.454090][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9782.454090][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9782.454090][ T10] ipv6_find_idev+0x102/0x170 [ 9782.454090][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9782.454090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9782.454090][ T10] netlink_rcv_skb+0x130/0x360 [ 9782.454090][ T10] netlink_unicast+0x449/0x710 [ 9782.454090][ T10] netlink_sendmsg+0x723/0xbe0 [ 9782.454090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9782.454090][ T10] ___sys_sendmsg+0xee/0x170 [ 9782.454090][ T10] __sys_sendmsg+0xcd/0x170 [ 9782.454090][ T10] do_syscall_64+0xc6/0x1e0 [ 9782.454090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9782.454090][ T10] [ 9782.455755][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9782.455988][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9782.455988][ T10] netdev_get_by_index+0x5e/0x80 [ 9782.455988][ T10] fib6_nh_init+0x3d8/0x1580 [ 9782.455988][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9782.455988][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9782.455988][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9782.455988][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9782.455988][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9782.455988][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9782.455988][ T10] addrconf_dad_begin+0x310/0x670 [ 9782.455988][ T10] addrconf_dad_work+0x10b/0xab0 [ 9782.455988][ T10] process_one_work+0x84d/0x18a0 [ 9782.455988][ T10] worker_thread+0x587/0xd30 [ 9782.455988][ T10] kthread+0x28a/0x350 [ 9782.455988][ T10] ret_from_fork+0x31/0x70 [ 9782.455988][ T10] ret_from_fork_asm+0x1a/0x30 [ 9782.455988][ T10] [ 9782.457896][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9782.457896][ T10] netdev_get_by_index+0x5e/0x80 [ 9782.457896][ T10] fib6_nh_init+0x3d8/0x1580 [ 9782.457896][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9782.457896][ T10] ip6_route_add+0x1c/0x140 [ 9782.457896][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9782.457896][ T10] inet6_addr_add+0x4f8/0xa40 [ 9782.457896][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9782.457896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9782.457896][ T10] netlink_rcv_skb+0x130/0x360 [ 9782.457896][ T10] netlink_unicast+0x449/0x710 [ 9782.457896][ T10] netlink_sendmsg+0x723/0xbe0 [ 9782.457896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9782.457896][ T10] ___sys_sendmsg+0xee/0x170 [ 9782.457896][ T10] __sys_sendmsg+0xcd/0x170 [ 9782.457896][ T10] do_syscall_64+0xc6/0x1e0 [ 9782.457896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9782.457896][ T10] [ 9782.460051][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9782.460051][ T10] netdev_get_by_index+0x5e/0x80 [ 9782.460051][ T10] fib6_nh_init+0x3d8/0x1580 [ 9782.460051][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9782.460051][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9782.460051][ T10] ipv6_add_addr+0x411/0x2000 [ 9782.460051][ T10] inet6_addr_add+0x30e/0xa40 [ 9782.460051][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9782.460051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9782.460051][ T10] netlink_rcv_skb+0x130/0x360 [ 9782.460051][ T10] netlink_unicast+0x449/0x710 [ 9782.460051][ T10] netlink_sendmsg+0x723/0xbe0 [ 9782.460051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9782.460051][ T10] ___sys_sendmsg+0xee/0x170 [ 9782.460051][ T10] __sys_sendmsg+0xcd/0x170 [ 9782.460051][ T10] do_syscall_64+0xc6/0x1e0 [ 9782.460051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9782.460051][ T10] [ 9782.462327][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9782.462327][ T10] netdev_get_by_index+0x5e/0x80 [ 9782.462327][ T10] fib6_nh_init+0x3d8/0x1580 [ 9782.462327][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9782.462327][ T10] ip6_route_add+0x1c/0x140 [ 9782.462327][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9782.462327][ T10] addrconf_add_dev+0xe2/0x170 [ 9782.462327][ T10] inet6_addr_add+0x12f/0xa40 [ 9782.462327][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9782.462327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9782.462327][ T10] netlink_rcv_skb+0x130/0x360 [ 9782.462327][ T10] netlink_unicast+0x449/0x710 [ 9782.462327][ T10] netlink_sendmsg+0x723/0xbe0 [ 9782.462327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9782.462327][ T10] ___sys_sendmsg+0xee/0x170 [ 9782.462327][ T10] __sys_sendmsg+0xcd/0x170 [ 9782.462327][ T10] do_syscall_64+0xc6/0x1e0 [ 9782.462327][ T10] [ 9782.464452][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9782.464452][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9782.464452][ T10] ipv6_find_idev+0x102/0x170 [ 9782.464452][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9782.464452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9782.464452][ T10] netlink_rcv_skb+0x130/0x360 [ 9782.464452][ T10] netlink_unicast+0x449/0x710 [ 9782.464452][ T10] netlink_sendmsg+0x723/0xbe0 [ 9782.464452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9782.464452][ T10] ___sys_sendmsg+0xee/0x170 [ 9782.464452][ T10] __sys_sendmsg+0xcd/0x170 [ 9782.464452][ T10] do_syscall_64+0xc6/0x1e0 [ 9782.464452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9782.464452][ T10] [ 9782.466150][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9782.466150][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9782.466150][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9782.466150][ T10] ipv6_find_idev+0x102/0x170 [ 9782.466150][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9782.466150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9782.466150][ T10] netlink_rcv_skb+0x130/0x360 [ 9782.466150][ T10] netlink_unicast+0x449/0x710 [ 9782.466150][ T10] netlink_sendmsg+0x723/0xbe0 [ 9782.466150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9782.466150][ T10] ___sys_sendmsg+0xee/0x170 [ 9782.466150][ T10] __sys_sendmsg+0xcd/0x170 [ 9782.466150][ T10] do_syscall_64+0xc6/0x1e0 [ 9782.466150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9782.466150][ T10] [ 9782.467981][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9782.468648][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9782.468648][ T10] netdev_get_by_index+0x5e/0x80 [ 9782.468648][ T10] fib6_nh_init+0x3d8/0x1580 [ 9782.468648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9782.468648][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9782.468648][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9782.468648][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9782.468648][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9782.468648][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9782.468648][ T10] addrconf_dad_begin+0x310/0x670 [ 9782.468648][ T10] addrconf_dad_work+0x10b/0xab0 [ 9782.468648][ T10] process_one_work+0x84d/0x18a0 [ 9782.468648][ T10] worker_thread+0x587/0xd30 [ 9782.468648][ T10] kthread+0x28a/0x350 [ 9782.468648][ T10] ret_from_fork+0x31/0x70 [ 9782.468648][ T10] ret_from_fork_asm+0x1a/0x30 [ 9782.468648][ T10] [ 9782.470532][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9782.470532][ T10] netdev_get_by_index+0x5e/0x80 [ 9782.470532][ T10] fib6_nh_init+0x3d8/0x1580 [ 9782.470532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9782.470532][ T10] ip6_route_add+0x1c/0x140 [ 9782.470532][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9782.470532][ T10] inet6_addr_add+0x4f8/0xa40 [ 9782.470532][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9782.470532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9782.470532][ T10] netlink_rcv_skb+0x130/0x360 [ 9782.470532][ T10] netlink_unicast+0x449/0x710 [ 9782.470532][ T10] netlink_sendmsg+0x723/0xbe0 [ 9782.470532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9782.470532][ T10] ___sys_sendmsg+0xee/0x170 [ 9782.470532][ T10] __sys_sendmsg+0xcd/0x170 [ 9782.470532][ T10] do_syscall_64+0xc6/0x1e0 [ 9782.470532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9782.470532][ T10] [ 9782.472633][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9782.472633][ T10] netdev_get_by_index+0x5e/0x80 [ 9782.472633][ T10] fib6_nh_init+0x3d8/0x1580 [ 9782.472633][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9782.472633][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9782.472633][ T10] ipv6_add_addr+0x411/0x2000 [ 9782.472633][ T10] inet6_addr_add+0x30e/0xa40 [ 9782.472633][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9782.472633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9782.472633][ T10] netlink_rcv_skb+0x130/0x360 [ 9782.472633][ T10] netlink_unicast+0x449/0x710 [ 9782.472633][ T10] netlink_sendmsg+0x723/0xbe0 [ 9782.472633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9782.472633][ T10] ___sys_sendmsg+0xee/0x170 [ 9782.472633][ T10] __sys_sendmsg+0xcd/0x170 [ 9782.472633][ T10] do_syscall_64+0xc6/0x1e0 [ 9782.472633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9782.472633][ T10] [ 9782.474849][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9782.474849][ T10] netdev_get_by_index+0x5e/0x80 [ 9782.474849][ T10] fib6_nh_init+0x3d8/0x1580 [ 9782.474849][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9782.474849][ T10] ip6_route_add+0x1c/0x140 [ 9782.474849][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9782.474849][ T10] addrconf_add_dev+0xe2/0x170 [ 9782.474849][ T10] inet6_addr_add+0x12f/0xa40 [ 9782.474849][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9782.474849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9782.474849][ T10] netlink_rcv_skb+0x130/0x360 [ 9782.474849][ T10] netlink_unicast+0x449/0x710 [ 9782.474849][ T10] netlink_sendmsg+0x723/0xbe0 [ 9782.474849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9782.474849][ T10] ___sys_sendmsg+0xee/0x170 [ 9782.474849][ T10] __sys_sendmsg+0xcd/0x170 [ 9782.474849][ T10] do_syscall_64+0xc6/0x1e0 [ 9782.474849][ T10] [ 9782.477029][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9782.477029][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9782.477029][ T10] ipv6_find_idev+0x102/0x170 [ 9782.477029][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9782.477029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9782.477029][ T10] netlink_rcv_skb+0x130/0x360 [ 9782.477029][ T10] netlink_unicast+0x449/0x710 [ 9782.477029][ T10] netlink_sendmsg+0x723/0xbe0 [ 9782.477029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9782.477029][ T10] ___sys_sendmsg+0xee/0x170 [ 9782.477029][ T10] __sys_sendmsg+0xcd/0x170 [ 9782.477029][ T10] do_syscall_64+0xc6/0x1e0 [ 9782.477029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9782.477029][ T10] [ 9782.478789][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9782.478789][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9782.478789][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9782.478789][ T10] ipv6_find_idev+0x102/0x170 [ 9782.478789][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9782.478789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9782.478789][ T10] netlink_rcv_skb+0x130/0x360 [ 9782.478789][ T10] netlink_unicast+0x449/0x710 [ 9782.478789][ T10] netlink_sendmsg+0x723/0xbe0 [ 9782.478789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9782.478789][ T10] ___sys_sendmsg+0xee/0x170 [ 9782.478789][ T10] __sys_sendmsg+0xcd/0x170 [ 9782.478789][ T10] do_syscall_64+0xc6/0x1e0 [ 9782.478789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9782.478789][ T10] [ 9785.369116][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9785.369588][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9785.369588][ T1167] dst_init+0x84/0x4a0 [ 9785.369588][ T1167] dst_alloc+0x97/0x150 [ 9785.369588][ T1167] ip6_dst_alloc+0x23/0x90 [ 9785.369588][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9785.369588][ T1167] ip6_pol_route+0x56f/0x840 [ 9785.369588][ T1167] fib6_rule_lookup+0x334/0x630 [ 9785.369588][ T1167] ip6_route_output_flags+0x259/0x480 [ 9785.369588][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9785.369588][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9785.369588][ T1167] netlink_rcv_skb+0x130/0x360 [ 9785.369588][ T1167] netlink_unicast+0x449/0x710 [ 9785.369588][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9785.369588][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9785.369588][ T1167] ___sys_sendmsg+0xee/0x170 [ 9785.369588][ T1167] __sys_sendmsg+0xcd/0x170 [ 9785.369588][ T1167] do_syscall_64+0xc6/0x1e0 [ 9785.369588][ T1167] [ 9785.371782][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9785.371782][ T1167] netdev_get_by_index+0x5e/0x80 [ 9785.371782][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9785.371782][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9785.371782][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9785.371782][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9785.371782][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9785.371782][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9785.371782][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9785.371782][ T1167] addrconf_dad_begin+0x310/0x670 [ 9785.371782][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9785.371782][ T1167] process_one_work+0x84d/0x18a0 [ 9785.371782][ T1167] worker_thread+0x587/0xd30 [ 9785.371782][ T1167] kthread+0x28a/0x350 [ 9785.371782][ T1167] ret_from_fork+0x31/0x70 [ 9785.371782][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9785.371782][ T1167] [ 9785.374432][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9785.374432][ T1167] netdev_get_by_index+0x5e/0x80 [ 9785.374432][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9785.374432][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9785.374432][ T1167] ip6_route_add+0x1c/0x140 [ 9785.374432][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9785.374432][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9785.374432][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9785.374432][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9785.374432][ T1167] netlink_rcv_skb+0x130/0x360 [ 9785.374432][ T1167] netlink_unicast+0x449/0x710 [ 9785.374432][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9785.374432][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9785.374432][ T1167] ___sys_sendmsg+0xee/0x170 [ 9785.374432][ T1167] __sys_sendmsg+0xcd/0x170 [ 9785.374432][ T1167] do_syscall_64+0xc6/0x1e0 [ 9785.374432][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9785.374432][ T1167] [ 9785.376652][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9785.376652][ T1167] netdev_get_by_index+0x5e/0x80 [ 9785.376652][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9785.376652][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9785.376652][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9785.376652][ T1167] ipv6_add_addr+0x411/0x2000 [ 9785.376652][ T1167] inet6_addr_add+0x30e/0xa40 [ 9785.376652][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9785.376652][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9785.376652][ T1167] netlink_rcv_skb+0x130/0x360 [ 9785.376652][ T1167] netlink_unicast+0x449/0x710 [ 9785.376652][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9785.376652][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9785.376652][ T1167] ___sys_sendmsg+0xee/0x170 [ 9785.376652][ T1167] __sys_sendmsg+0xcd/0x170 [ 9785.376652][ T1167] do_syscall_64+0xc6/0x1e0 [ 9785.376652][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9785.376652][ T1167] [ 9785.378880][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9785.378880][ T1167] netdev_get_by_index+0x5e/0x80 [ 9785.378880][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9785.378880][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9785.378880][ T1167] ip6_route_add+0x1c/0x140 [ 9785.378880][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9785.378880][ T1167] addrconf_add_dev+0xe2/0x170 [ 9785.378880][ T1167] inet6_addr_add+0x12f/0xa40 [ 9785.378880][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9785.378880][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9785.378880][ T1167] netlink_rcv_skb+0x130/0x360 [ 9785.378880][ T1167] netlink_unicast+0x449/0x710 [ 9785.378880][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9785.378880][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9785.378880][ T1167] ___sys_sendmsg+0xee/0x170 [ 9785.378880][ T1167] __sys_sendmsg+0xcd/0x170 [ 9785.378880][ T1167] do_syscall_64+0xc6/0x1e0 [ 9785.378880][ T1167] [ 9785.381088][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9785.381088][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9785.381088][ T1167] ipv6_find_idev+0x102/0x170 [ 9785.381088][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9785.381088][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9785.381088][ T1167] netlink_rcv_skb+0x130/0x360 [ 9785.381088][ T1167] netlink_unicast+0x449/0x710 [ 9785.381088][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9785.381088][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9785.381088][ T1167] ___sys_sendmsg+0xee/0x170 [ 9785.381088][ T1167] __sys_sendmsg+0xcd/0x170 [ 9785.381088][ T1167] do_syscall_64+0xc6/0x1e0 [ 9785.381088][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9785.381088][ T1167] [ 9785.382803][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9785.382803][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9785.382803][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9785.382803][ T1167] ipv6_find_idev+0x102/0x170 [ 9785.382803][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9785.382803][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9785.382803][ T1167] netlink_rcv_skb+0x130/0x360 [ 9785.382803][ T1167] netlink_unicast+0x449/0x710 [ 9785.382803][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9785.382803][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9785.382803][ T1167] ___sys_sendmsg+0xee/0x170 [ 9785.382803][ T1167] __sys_sendmsg+0xcd/0x170 [ 9785.382803][ T1167] do_syscall_64+0xc6/0x1e0 [ 9785.382803][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9785.382803][ T1167] [ 9792.721045][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9792.721470][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9792.721470][ T10] netdev_get_by_index+0x5e/0x80 [ 9792.721470][ T10] fib6_nh_init+0x3d8/0x1580 [ 9792.721470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9792.721470][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9792.721470][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9792.721470][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9792.721470][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9792.721470][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9792.721470][ T10] addrconf_dad_begin+0x310/0x670 [ 9792.721470][ T10] addrconf_dad_work+0x10b/0xab0 [ 9792.721470][ T10] process_one_work+0x84d/0x18a0 [ 9792.721470][ T10] worker_thread+0x587/0xd30 [ 9792.721470][ T10] kthread+0x28a/0x350 [ 9792.721470][ T10] ret_from_fork+0x31/0x70 [ 9792.721470][ T10] ret_from_fork_asm+0x1a/0x30 [ 9792.721470][ T10] [ 9792.723433][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9792.723433][ T10] netdev_get_by_index+0x5e/0x80 [ 9792.723433][ T10] fib6_nh_init+0x3d8/0x1580 [ 9792.723433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9792.723433][ T10] ip6_route_add+0x1c/0x140 [ 9792.723433][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9792.723433][ T10] inet6_addr_add+0x4f8/0xa40 [ 9792.723433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9792.723433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9792.723433][ T10] netlink_rcv_skb+0x130/0x360 [ 9792.723433][ T10] netlink_unicast+0x449/0x710 [ 9792.723433][ T10] netlink_sendmsg+0x723/0xbe0 [ 9792.723433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9792.723433][ T10] ___sys_sendmsg+0xee/0x170 [ 9792.723433][ T10] __sys_sendmsg+0xcd/0x170 [ 9792.723433][ T10] do_syscall_64+0xc6/0x1e0 [ 9792.723433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9792.723433][ T10] [ 9792.725462][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9792.725462][ T10] netdev_get_by_index+0x5e/0x80 [ 9792.725462][ T10] fib6_nh_init+0x3d8/0x1580 [ 9792.725462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9792.725462][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9792.725462][ T10] ipv6_add_addr+0x411/0x2000 [ 9792.725462][ T10] inet6_addr_add+0x30e/0xa40 [ 9792.725462][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9792.725462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9792.725462][ T10] netlink_rcv_skb+0x130/0x360 [ 9792.725462][ T10] netlink_unicast+0x449/0x710 [ 9792.725462][ T10] netlink_sendmsg+0x723/0xbe0 [ 9792.725462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9792.725462][ T10] ___sys_sendmsg+0xee/0x170 [ 9792.725462][ T10] __sys_sendmsg+0xcd/0x170 [ 9792.725462][ T10] do_syscall_64+0xc6/0x1e0 [ 9792.725462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9792.725462][ T10] [ 9792.727477][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9792.727477][ T10] netdev_get_by_index+0x5e/0x80 [ 9792.727477][ T10] fib6_nh_init+0x3d8/0x1580 [ 9792.727477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9792.727477][ T10] ip6_route_add+0x1c/0x140 [ 9792.727477][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9792.727477][ T10] addrconf_add_dev+0xe2/0x170 [ 9792.727477][ T10] inet6_addr_add+0x12f/0xa40 [ 9792.727477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9792.727477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9792.727477][ T10] netlink_rcv_skb+0x130/0x360 [ 9792.727477][ T10] netlink_unicast+0x449/0x710 [ 9792.727477][ T10] netlink_sendmsg+0x723/0xbe0 [ 9792.727477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9792.727477][ T10] ___sys_sendmsg+0xee/0x170 [ 9792.727477][ T10] __sys_sendmsg+0xcd/0x170 [ 9792.727477][ T10] do_syscall_64+0xc6/0x1e0 [ 9792.727477][ T10] [ 9792.729453][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9792.729453][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9792.729453][ T10] ipv6_find_idev+0x102/0x170 [ 9792.729453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9792.729453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9792.729453][ T10] netlink_rcv_skb+0x130/0x360 [ 9792.729453][ T10] netlink_unicast+0x449/0x710 [ 9792.729453][ T10] netlink_sendmsg+0x723/0xbe0 [ 9792.729453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9792.729453][ T10] ___sys_sendmsg+0xee/0x170 [ 9792.729453][ T10] __sys_sendmsg+0xcd/0x170 [ 9792.729453][ T10] do_syscall_64+0xc6/0x1e0 [ 9792.729453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9792.729453][ T10] [ 9792.730994][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9792.730994][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9792.730994][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9792.730994][ T10] ipv6_find_idev+0x102/0x170 [ 9792.730994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9792.730994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9792.730994][ T10] netlink_rcv_skb+0x130/0x360 [ 9792.730994][ T10] netlink_unicast+0x449/0x710 [ 9792.730994][ T10] netlink_sendmsg+0x723/0xbe0 [ 9792.730994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9792.730994][ T10] ___sys_sendmsg+0xee/0x170 [ 9792.730994][ T10] __sys_sendmsg+0xcd/0x170 [ 9792.730994][ T10] do_syscall_64+0xc6/0x1e0 [ 9792.730994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9792.730994][ T10] [ 9792.732704][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9792.732949][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9792.732949][ T10] netdev_get_by_index+0x5e/0x80 [ 9792.732949][ T10] fib6_nh_init+0x3d8/0x1580 [ 9792.732949][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9792.732949][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9792.732949][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9792.732949][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9792.732949][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9792.732949][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9792.732949][ T10] addrconf_dad_begin+0x310/0x670 [ 9792.732949][ T10] addrconf_dad_work+0x10b/0xab0 [ 9792.732949][ T10] process_one_work+0x84d/0x18a0 [ 9792.732949][ T10] worker_thread+0x587/0xd30 [ 9792.732949][ T10] kthread+0x28a/0x350 [ 9792.732949][ T10] ret_from_fork+0x31/0x70 [ 9792.732949][ T10] ret_from_fork_asm+0x1a/0x30 [ 9792.732949][ T10] [ 9792.734863][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9792.734863][ T10] netdev_get_by_index+0x5e/0x80 [ 9792.734863][ T10] fib6_nh_init+0x3d8/0x1580 [ 9792.734863][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9792.734863][ T10] ip6_route_add+0x1c/0x140 [ 9792.734863][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9792.734863][ T10] inet6_addr_add+0x4f8/0xa40 [ 9792.734863][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9792.734863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9792.734863][ T10] netlink_rcv_skb+0x130/0x360 [ 9792.734863][ T10] netlink_unicast+0x449/0x710 [ 9792.734863][ T10] netlink_sendmsg+0x723/0xbe0 [ 9792.734863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9792.734863][ T10] ___sys_sendmsg+0xee/0x170 [ 9792.734863][ T10] __sys_sendmsg+0xcd/0x170 [ 9792.734863][ T10] do_syscall_64+0xc6/0x1e0 [ 9792.734863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9792.734863][ T10] [ 9792.736869][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9792.736869][ T10] netdev_get_by_index+0x5e/0x80 [ 9792.736869][ T10] fib6_nh_init+0x3d8/0x1580 [ 9792.736869][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9792.736869][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9792.736869][ T10] ipv6_add_addr+0x411/0x2000 [ 9792.736869][ T10] inet6_addr_add+0x30e/0xa40 [ 9792.736869][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9792.736869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9792.736869][ T10] netlink_rcv_skb+0x130/0x360 [ 9792.736869][ T10] netlink_unicast+0x449/0x710 [ 9792.736869][ T10] netlink_sendmsg+0x723/0xbe0 [ 9792.736869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9792.736869][ T10] ___sys_sendmsg+0xee/0x170 [ 9792.736869][ T10] __sys_sendmsg+0xcd/0x170 [ 9792.736869][ T10] do_syscall_64+0xc6/0x1e0 [ 9792.736869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9792.736869][ T10] [ 9792.738866][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9792.738866][ T10] netdev_get_by_index+0x5e/0x80 [ 9792.738866][ T10] fib6_nh_init+0x3d8/0x1580 [ 9792.738866][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9792.738866][ T10] ip6_route_add+0x1c/0x140 [ 9792.738866][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9792.738866][ T10] addrconf_add_dev+0xe2/0x170 [ 9792.738866][ T10] inet6_addr_add+0x12f/0xa40 [ 9792.738866][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9792.738866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9792.738866][ T10] netlink_rcv_skb+0x130/0x360 [ 9792.738866][ T10] netlink_unicast+0x449/0x710 [ 9792.738866][ T10] netlink_sendmsg+0x723/0xbe0 [ 9792.738866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9792.738866][ T10] ___sys_sendmsg+0xee/0x170 [ 9792.738866][ T10] __sys_sendmsg+0xcd/0x170 [ 9792.738866][ T10] do_syscall_64+0xc6/0x1e0 [ 9792.738866][ T10] [ 9792.740832][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9792.740832][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9792.740832][ T10] ipv6_find_idev+0x102/0x170 [ 9792.740832][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9792.740832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9792.740832][ T10] netlink_rcv_skb+0x130/0x360 [ 9792.740832][ T10] netlink_unicast+0x449/0x710 [ 9792.740832][ T10] netlink_sendmsg+0x723/0xbe0 [ 9792.740832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9792.740832][ T10] ___sys_sendmsg+0xee/0x170 [ 9792.740832][ T10] __sys_sendmsg+0xcd/0x170 [ 9792.740832][ T10] do_syscall_64+0xc6/0x1e0 [ 9792.740832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9792.740832][ T10] [ 9792.742379][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9792.742379][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9792.742379][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9792.742379][ T10] ipv6_find_idev+0x102/0x170 [ 9792.742379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9792.742379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9792.742379][ T10] netlink_rcv_skb+0x130/0x360 [ 9792.742379][ T10] netlink_unicast+0x449/0x710 [ 9792.742379][ T10] netlink_sendmsg+0x723/0xbe0 [ 9792.742379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9792.742379][ T10] ___sys_sendmsg+0xee/0x170 [ 9792.742379][ T10] __sys_sendmsg+0xcd/0x170 [ 9792.742379][ T10] do_syscall_64+0xc6/0x1e0 [ 9792.742379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9792.742379][ T10] [ 9792.744067][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9792.744304][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9792.744304][ T10] netdev_get_by_index+0x5e/0x80 [ 9792.744304][ T10] fib6_nh_init+0x3d8/0x1580 [ 9792.744304][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9792.744304][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9792.744304][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9792.744304][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9792.744304][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9792.744304][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9792.744304][ T10] addrconf_dad_begin+0x310/0x670 [ 9792.744304][ T10] addrconf_dad_work+0x10b/0xab0 [ 9792.744304][ T10] process_one_work+0x84d/0x18a0 [ 9792.744304][ T10] worker_thread+0x587/0xd30 [ 9792.744304][ T10] kthread+0x28a/0x350 [ 9792.744304][ T10] ret_from_fork+0x31/0x70 [ 9792.744304][ T10] ret_from_fork_asm+0x1a/0x30 [ 9792.744304][ T10] [ 9792.746214][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9792.746214][ T10] netdev_get_by_index+0x5e/0x80 [ 9792.746214][ T10] fib6_nh_init+0x3d8/0x1580 [ 9792.746214][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9792.746214][ T10] ip6_route_add+0x1c/0x140 [ 9792.746214][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9792.746214][ T10] inet6_addr_add+0x4f8/0xa40 [ 9792.746214][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9792.746214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9792.746214][ T10] netlink_rcv_skb+0x130/0x360 [ 9792.746214][ T10] netlink_unicast+0x449/0x710 [ 9792.746214][ T10] netlink_sendmsg+0x723/0xbe0 [ 9792.746214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9792.746214][ T10] ___sys_sendmsg+0xee/0x170 [ 9792.746214][ T10] __sys_sendmsg+0xcd/0x170 [ 9792.746214][ T10] do_syscall_64+0xc6/0x1e0 [ 9792.746214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9792.746214][ T10] [ 9792.748283][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9792.748283][ T10] netdev_get_by_index+0x5e/0x80 [ 9792.748283][ T10] fib6_nh_init+0x3d8/0x1580 [ 9792.748283][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9792.748283][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9792.748283][ T10] ipv6_add_addr+0x411/0x2000 [ 9792.748283][ T10] inet6_addr_add+0x30e/0xa40 [ 9792.748283][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9792.748283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9792.748283][ T10] netlink_rcv_skb+0x130/0x360 [ 9792.748283][ T10] netlink_unicast+0x449/0x710 [ 9792.748283][ T10] netlink_sendmsg+0x723/0xbe0 [ 9792.748283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9792.748283][ T10] ___sys_sendmsg+0xee/0x170 [ 9792.748283][ T10] __sys_sendmsg+0xcd/0x170 [ 9792.748283][ T10] do_syscall_64+0xc6/0x1e0 [ 9792.748283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9792.748283][ T10] [ 9792.750404][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9792.750404][ T10] netdev_get_by_index+0x5e/0x80 [ 9792.750404][ T10] fib6_nh_init+0x3d8/0x1580 [ 9792.750404][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9792.750404][ T10] ip6_route_add+0x1c/0x140 [ 9792.750404][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9792.750404][ T10] addrconf_add_dev+0xe2/0x170 [ 9792.750404][ T10] inet6_addr_add+0x12f/0xa40 [ 9792.750404][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9792.750404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9792.750404][ T10] netlink_rcv_skb+0x130/0x360 [ 9792.750404][ T10] netlink_unicast+0x449/0x710 [ 9792.750404][ T10] netlink_sendmsg+0x723/0xbe0 [ 9792.750404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9792.750404][ T10] ___sys_sendmsg+0xee/0x170 [ 9792.750404][ T10] __sys_sendmsg+0xcd/0x170 [ 9792.750404][ T10] do_syscall_64+0xc6/0x1e0 [ 9792.750404][ T10] [ 9792.752493][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9792.752493][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9792.752493][ T10] ipv6_find_idev+0x102/0x170 [ 9792.752493][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9792.752493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9792.752493][ T10] netlink_rcv_skb+0x130/0x360 [ 9792.752493][ T10] netlink_unicast+0x449/0x710 [ 9792.752493][ T10] netlink_sendmsg+0x723/0xbe0 [ 9792.752493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9792.752493][ T10] ___sys_sendmsg+0xee/0x170 [ 9792.752493][ T10] __sys_sendmsg+0xcd/0x170 [ 9792.752493][ T10] do_syscall_64+0xc6/0x1e0 [ 9792.752493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9792.752493][ T10] [ 9792.754089][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9792.754089][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9792.754089][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9792.754089][ T10] ipv6_find_idev+0x102/0x170 [ 9792.754089][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9792.754089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9792.754089][ T10] netlink_rcv_skb+0x130/0x360 [ 9792.754089][ T10] netlink_unicast+0x449/0x710 [ 9792.754089][ T10] netlink_sendmsg+0x723/0xbe0 [ 9792.754089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9792.754089][ T10] ___sys_sendmsg+0xee/0x170 [ 9792.754089][ T10] __sys_sendmsg+0xcd/0x170 [ 9792.754089][ T10] do_syscall_64+0xc6/0x1e0 [ 9792.754089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9792.754089][ T10] [ 9792.755901][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9792.756574][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9792.756574][ T10] netdev_get_by_index+0x5e/0x80 [ 9792.756574][ T10] fib6_nh_init+0x3d8/0x1580 [ 9792.756574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9792.756574][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9792.756574][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9792.756574][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9792.756574][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9792.756574][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9792.756574][ T10] addrconf_dad_begin+0x310/0x670 [ 9792.756574][ T10] addrconf_dad_work+0x10b/0xab0 [ 9792.756574][ T10] process_one_work+0x84d/0x18a0 [ 9792.756574][ T10] worker_thread+0x587/0xd30 [ 9792.756574][ T10] kthread+0x28a/0x350 [ 9792.756574][ T10] ret_from_fork+0x31/0x70 [ 9792.756574][ T10] ret_from_fork_asm+0x1a/0x30 [ 9792.756574][ T10] [ 9792.758486][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9792.758486][ T10] netdev_get_by_index+0x5e/0x80 [ 9792.758486][ T10] fib6_nh_init+0x3d8/0x1580 [ 9792.758486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9792.758486][ T10] ip6_route_add+0x1c/0x140 [ 9792.758486][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9792.758486][ T10] inet6_addr_add+0x4f8/0xa40 [ 9792.758486][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9792.758486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9792.758486][ T10] netlink_rcv_skb+0x130/0x360 [ 9792.758486][ T10] netlink_unicast+0x449/0x710 [ 9792.758486][ T10] netlink_sendmsg+0x723/0xbe0 [ 9792.758486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9792.758486][ T10] ___sys_sendmsg+0xee/0x170 [ 9792.758486][ T10] __sys_sendmsg+0xcd/0x170 [ 9792.758486][ T10] do_syscall_64+0xc6/0x1e0 [ 9792.758486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9792.758486][ T10] [ 9792.760544][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9792.760544][ T10] netdev_get_by_index+0x5e/0x80 [ 9792.760544][ T10] fib6_nh_init+0x3d8/0x1580 [ 9792.760544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9792.760544][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9792.760544][ T10] ipv6_add_addr+0x411/0x2000 [ 9792.760544][ T10] inet6_addr_add+0x30e/0xa40 [ 9792.760544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9792.760544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9792.760544][ T10] netlink_rcv_skb+0x130/0x360 [ 9792.760544][ T10] netlink_unicast+0x449/0x710 [ 9792.760544][ T10] netlink_sendmsg+0x723/0xbe0 [ 9792.760544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9792.760544][ T10] ___sys_sendmsg+0xee/0x170 [ 9792.760544][ T10] __sys_sendmsg+0xcd/0x170 [ 9792.760544][ T10] do_syscall_64+0xc6/0x1e0 [ 9792.760544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9792.760544][ T10] [ 9792.762678][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9792.762678][ T10] netdev_get_by_index+0x5e/0x80 [ 9792.762678][ T10] fib6_nh_init+0x3d8/0x1580 [ 9792.762678][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9792.762678][ T10] ip6_route_add+0x1c/0x140 [ 9792.762678][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9792.762678][ T10] addrconf_add_dev+0xe2/0x170 [ 9792.762678][ T10] inet6_addr_add+0x12f/0xa40 [ 9792.762678][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9792.762678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9792.762678][ T10] netlink_rcv_skb+0x130/0x360 [ 9792.762678][ T10] netlink_unicast+0x449/0x710 [ 9792.762678][ T10] netlink_sendmsg+0x723/0xbe0 [ 9792.762678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9792.762678][ T10] ___sys_sendmsg+0xee/0x170 [ 9792.762678][ T10] __sys_sendmsg+0xcd/0x170 [ 9792.762678][ T10] do_syscall_64+0xc6/0x1e0 [ 9792.762678][ T10] [ 9792.764764][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9792.764764][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9792.764764][ T10] ipv6_find_idev+0x102/0x170 [ 9792.764764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9792.764764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9792.764764][ T10] netlink_rcv_skb+0x130/0x360 [ 9792.764764][ T10] netlink_unicast+0x449/0x710 [ 9792.764764][ T10] netlink_sendmsg+0x723/0xbe0 [ 9792.764764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9792.764764][ T10] ___sys_sendmsg+0xee/0x170 [ 9792.764764][ T10] __sys_sendmsg+0xcd/0x170 [ 9792.764764][ T10] do_syscall_64+0xc6/0x1e0 [ 9792.764764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9792.764764][ T10] [ 9792.766370][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9792.766370][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9792.766370][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9792.766370][ T10] ipv6_find_idev+0x102/0x170 [ 9792.766370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9792.766370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9792.766370][ T10] netlink_rcv_skb+0x130/0x360 [ 9792.766370][ T10] netlink_unicast+0x449/0x710 [ 9792.766370][ T10] netlink_sendmsg+0x723/0xbe0 [ 9792.766370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9792.766370][ T10] ___sys_sendmsg+0xee/0x170 [ 9792.766370][ T10] __sys_sendmsg+0xcd/0x170 [ 9792.766370][ T10] do_syscall_64+0xc6/0x1e0 [ 9792.766370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9792.766370][ T10] [ 9795.625098][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9795.625562][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9795.625562][ T1167] dst_init+0x84/0x4a0 [ 9795.625562][ T1167] dst_alloc+0x97/0x150 [ 9795.625562][ T1167] ip6_dst_alloc+0x23/0x90 [ 9795.625562][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9795.625562][ T1167] ip6_pol_route+0x56f/0x840 [ 9795.625562][ T1167] fib6_rule_lookup+0x334/0x630 [ 9795.625562][ T1167] ip6_route_output_flags+0x259/0x480 [ 9795.625562][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9795.625562][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9795.625562][ T1167] netlink_rcv_skb+0x130/0x360 [ 9795.625562][ T1167] netlink_unicast+0x449/0x710 [ 9795.625562][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9795.625562][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9795.625562][ T1167] ___sys_sendmsg+0xee/0x170 [ 9795.625562][ T1167] __sys_sendmsg+0xcd/0x170 [ 9795.625562][ T1167] do_syscall_64+0xc6/0x1e0 [ 9795.625562][ T1167] [ 9795.627751][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9795.627751][ T1167] netdev_get_by_index+0x5e/0x80 [ 9795.627751][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9795.627751][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9795.627751][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9795.627751][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9795.627751][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9795.627751][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9795.627751][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9795.627751][ T1167] addrconf_dad_begin+0x310/0x670 [ 9795.627751][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9795.627751][ T1167] process_one_work+0x84d/0x18a0 [ 9795.627751][ T1167] worker_thread+0x587/0xd30 [ 9795.627751][ T1167] kthread+0x28a/0x350 [ 9795.627751][ T1167] ret_from_fork+0x31/0x70 [ 9795.627751][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9795.627751][ T1167] [ 9795.629884][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9795.629884][ T1167] netdev_get_by_index+0x5e/0x80 [ 9795.629884][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9795.629884][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9795.629884][ T1167] ip6_route_add+0x1c/0x140 [ 9795.629884][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9795.629884][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9795.629884][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9795.629884][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9795.629884][ T1167] netlink_rcv_skb+0x130/0x360 [ 9795.629884][ T1167] netlink_unicast+0x449/0x710 [ 9795.629884][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9795.629884][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9795.629884][ T1167] ___sys_sendmsg+0xee/0x170 [ 9795.629884][ T1167] __sys_sendmsg+0xcd/0x170 [ 9795.629884][ T1167] do_syscall_64+0xc6/0x1e0 [ 9795.629884][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9795.629884][ T1167] [ 9795.632114][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9795.632114][ T1167] netdev_get_by_index+0x5e/0x80 [ 9795.632114][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9795.632114][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9795.632114][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9795.632114][ T1167] ipv6_add_addr+0x411/0x2000 [ 9795.632114][ T1167] inet6_addr_add+0x30e/0xa40 [ 9795.632114][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9795.632114][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9795.632114][ T1167] netlink_rcv_skb+0x130/0x360 [ 9795.632114][ T1167] netlink_unicast+0x449/0x710 [ 9795.632114][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9795.632114][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9795.632114][ T1167] ___sys_sendmsg+0xee/0x170 [ 9795.632114][ T1167] __sys_sendmsg+0xcd/0x170 [ 9795.632114][ T1167] do_syscall_64+0xc6/0x1e0 [ 9795.632114][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9795.632114][ T1167] [ 9795.634342][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9795.634342][ T1167] netdev_get_by_index+0x5e/0x80 [ 9795.634342][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9795.634342][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9795.634342][ T1167] ip6_route_add+0x1c/0x140 [ 9795.634342][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9795.634342][ T1167] addrconf_add_dev+0xe2/0x170 [ 9795.634342][ T1167] inet6_addr_add+0x12f/0xa40 [ 9795.634342][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9795.634342][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9795.634342][ T1167] netlink_rcv_skb+0x130/0x360 [ 9795.634342][ T1167] netlink_unicast+0x449/0x710 [ 9795.634342][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9795.634342][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9795.634342][ T1167] ___sys_sendmsg+0xee/0x170 [ 9795.634342][ T1167] __sys_sendmsg+0xcd/0x170 [ 9795.634342][ T1167] do_syscall_64+0xc6/0x1e0 [ 9795.634342][ T1167] [ 9795.636530][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9795.636530][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9795.636530][ T1167] ipv6_find_idev+0x102/0x170 [ 9795.636530][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9795.636530][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9795.636530][ T1167] netlink_rcv_skb+0x130/0x360 [ 9795.636530][ T1167] netlink_unicast+0x449/0x710 [ 9795.636530][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9795.636530][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9795.636530][ T1167] ___sys_sendmsg+0xee/0x170 [ 9795.636530][ T1167] __sys_sendmsg+0xcd/0x170 [ 9795.636530][ T1167] do_syscall_64+0xc6/0x1e0 [ 9795.636530][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9795.636530][ T1167] [ 9795.638252][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9795.638252][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9795.638252][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9795.638252][ T1167] ipv6_find_idev+0x102/0x170 [ 9795.638252][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9795.638252][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9795.638252][ T1167] netlink_rcv_skb+0x130/0x360 [ 9795.638252][ T1167] netlink_unicast+0x449/0x710 [ 9795.638252][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9795.638252][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9795.638252][ T1167] ___sys_sendmsg+0xee/0x170 [ 9795.638252][ T1167] __sys_sendmsg+0xcd/0x170 [ 9795.638252][ T1167] do_syscall_64+0xc6/0x1e0 [ 9795.638252][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9795.638252][ T1167] [ 9802.849238][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9802.849648][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9802.849648][ T10] netdev_get_by_index+0x5e/0x80 [ 9802.849648][ T10] fib6_nh_init+0x3d8/0x1580 [ 9802.849648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9802.849648][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9802.849648][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9802.849648][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9802.849648][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9802.849648][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9802.849648][ T10] addrconf_dad_begin+0x310/0x670 [ 9802.849648][ T10] addrconf_dad_work+0x10b/0xab0 [ 9802.849648][ T10] process_one_work+0x84d/0x18a0 [ 9802.849648][ T10] worker_thread+0x587/0xd30 [ 9802.849648][ T10] kthread+0x28a/0x350 [ 9802.849648][ T10] ret_from_fork+0x31/0x70 [ 9802.849648][ T10] ret_from_fork_asm+0x1a/0x30 [ 9802.849648][ T10] [ 9802.851600][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9802.851600][ T10] netdev_get_by_index+0x5e/0x80 [ 9802.851600][ T10] fib6_nh_init+0x3d8/0x1580 [ 9802.851600][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9802.851600][ T10] ip6_route_add+0x1c/0x140 [ 9802.851600][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9802.851600][ T10] inet6_addr_add+0x4f8/0xa40 [ 9802.851600][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9802.851600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9802.851600][ T10] netlink_rcv_skb+0x130/0x360 [ 9802.851600][ T10] netlink_unicast+0x449/0x710 [ 9802.851600][ T10] netlink_sendmsg+0x723/0xbe0 [ 9802.851600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9802.851600][ T10] ___sys_sendmsg+0xee/0x170 [ 9802.851600][ T10] __sys_sendmsg+0xcd/0x170 [ 9802.851600][ T10] do_syscall_64+0xc6/0x1e0 [ 9802.851600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9802.851600][ T10] [ 9802.853610][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9802.853610][ T10] netdev_get_by_index+0x5e/0x80 [ 9802.853610][ T10] fib6_nh_init+0x3d8/0x1580 [ 9802.853610][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9802.853610][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9802.853610][ T10] ipv6_add_addr+0x411/0x2000 [ 9802.853610][ T10] inet6_addr_add+0x30e/0xa40 [ 9802.853610][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9802.853610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9802.853610][ T10] netlink_rcv_skb+0x130/0x360 [ 9802.853610][ T10] netlink_unicast+0x449/0x710 [ 9802.853610][ T10] netlink_sendmsg+0x723/0xbe0 [ 9802.853610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9802.853610][ T10] ___sys_sendmsg+0xee/0x170 [ 9802.853610][ T10] __sys_sendmsg+0xcd/0x170 [ 9802.853610][ T10] do_syscall_64+0xc6/0x1e0 [ 9802.853610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9802.853610][ T10] [ 9802.855623][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9802.855623][ T10] netdev_get_by_index+0x5e/0x80 [ 9802.855623][ T10] fib6_nh_init+0x3d8/0x1580 [ 9802.855623][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9802.855623][ T10] ip6_route_add+0x1c/0x140 [ 9802.855623][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9802.855623][ T10] addrconf_add_dev+0xe2/0x170 [ 9802.855623][ T10] inet6_addr_add+0x12f/0xa40 [ 9802.855623][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9802.855623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9802.855623][ T10] netlink_rcv_skb+0x130/0x360 [ 9802.855623][ T10] netlink_unicast+0x449/0x710 [ 9802.855623][ T10] netlink_sendmsg+0x723/0xbe0 [ 9802.855623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9802.855623][ T10] ___sys_sendmsg+0xee/0x170 [ 9802.855623][ T10] __sys_sendmsg+0xcd/0x170 [ 9802.855623][ T10] do_syscall_64+0xc6/0x1e0 [ 9802.855623][ T10] [ 9802.857583][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9802.857583][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9802.857583][ T10] ipv6_find_idev+0x102/0x170 [ 9802.857583][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9802.857583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9802.857583][ T10] netlink_rcv_skb+0x130/0x360 [ 9802.857583][ T10] netlink_unicast+0x449/0x710 [ 9802.857583][ T10] netlink_sendmsg+0x723/0xbe0 [ 9802.857583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9802.857583][ T10] ___sys_sendmsg+0xee/0x170 [ 9802.857583][ T10] __sys_sendmsg+0xcd/0x170 [ 9802.857583][ T10] do_syscall_64+0xc6/0x1e0 [ 9802.857583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9802.857583][ T10] [ 9802.859147][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9802.859147][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9802.859147][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9802.859147][ T10] ipv6_find_idev+0x102/0x170 [ 9802.859147][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9802.859147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9802.859147][ T10] netlink_rcv_skb+0x130/0x360 [ 9802.859147][ T10] netlink_unicast+0x449/0x710 [ 9802.859147][ T10] netlink_sendmsg+0x723/0xbe0 [ 9802.859147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9802.859147][ T10] ___sys_sendmsg+0xee/0x170 [ 9802.859147][ T10] __sys_sendmsg+0xcd/0x170 [ 9802.859147][ T10] do_syscall_64+0xc6/0x1e0 [ 9802.859147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9802.859147][ T10] [ 9802.860857][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9802.861113][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9802.861113][ T10] netdev_get_by_index+0x5e/0x80 [ 9802.861113][ T10] fib6_nh_init+0x3d8/0x1580 [ 9802.861113][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9802.861113][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9802.861113][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9802.861113][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9802.861113][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9802.861113][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9802.861113][ T10] addrconf_dad_begin+0x310/0x670 [ 9802.861113][ T10] addrconf_dad_work+0x10b/0xab0 [ 9802.861113][ T10] process_one_work+0x84d/0x18a0 [ 9802.861113][ T10] worker_thread+0x587/0xd30 [ 9802.861113][ T10] kthread+0x28a/0x350 [ 9802.861113][ T10] ret_from_fork+0x31/0x70 [ 9802.861113][ T10] ret_from_fork_asm+0x1a/0x30 [ 9802.861113][ T10] [ 9802.863026][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9802.863026][ T10] netdev_get_by_index+0x5e/0x80 [ 9802.863026][ T10] fib6_nh_init+0x3d8/0x1580 [ 9802.863026][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9802.863026][ T10] ip6_route_add+0x1c/0x140 [ 9802.863026][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9802.863026][ T10] inet6_addr_add+0x4f8/0xa40 [ 9802.863026][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9802.863026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9802.863026][ T10] netlink_rcv_skb+0x130/0x360 [ 9802.863026][ T10] netlink_unicast+0x449/0x710 [ 9802.863026][ T10] netlink_sendmsg+0x723/0xbe0 [ 9802.863026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9802.863026][ T10] ___sys_sendmsg+0xee/0x170 [ 9802.863026][ T10] __sys_sendmsg+0xcd/0x170 [ 9802.863026][ T10] do_syscall_64+0xc6/0x1e0 [ 9802.863026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9802.863026][ T10] [ 9802.865023][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9802.865023][ T10] netdev_get_by_index+0x5e/0x80 [ 9802.865023][ T10] fib6_nh_init+0x3d8/0x1580 [ 9802.865023][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9802.865023][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9802.865023][ T10] ipv6_add_addr+0x411/0x2000 [ 9802.865023][ T10] inet6_addr_add+0x30e/0xa40 [ 9802.865023][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9802.865023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9802.865023][ T10] netlink_rcv_skb+0x130/0x360 [ 9802.865023][ T10] netlink_unicast+0x449/0x710 [ 9802.865023][ T10] netlink_sendmsg+0x723/0xbe0 [ 9802.865023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9802.865023][ T10] ___sys_sendmsg+0xee/0x170 [ 9802.865023][ T10] __sys_sendmsg+0xcd/0x170 [ 9802.865023][ T10] do_syscall_64+0xc6/0x1e0 [ 9802.865023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9802.865023][ T10] [ 9802.867015][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9802.867015][ T10] netdev_get_by_index+0x5e/0x80 [ 9802.867015][ T10] fib6_nh_init+0x3d8/0x1580 [ 9802.867015][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9802.867015][ T10] ip6_route_add+0x1c/0x140 [ 9802.867015][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9802.867015][ T10] addrconf_add_dev+0xe2/0x170 [ 9802.867015][ T10] inet6_addr_add+0x12f/0xa40 [ 9802.867015][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9802.867015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9802.867015][ T10] netlink_rcv_skb+0x130/0x360 [ 9802.867015][ T10] netlink_unicast+0x449/0x710 [ 9802.867015][ T10] netlink_sendmsg+0x723/0xbe0 [ 9802.867015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9802.867015][ T10] ___sys_sendmsg+0xee/0x170 [ 9802.867015][ T10] __sys_sendmsg+0xcd/0x170 [ 9802.867015][ T10] do_syscall_64+0xc6/0x1e0 [ 9802.867015][ T10] [ 9802.868964][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9802.868964][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9802.868964][ T10] ipv6_find_idev+0x102/0x170 [ 9802.868964][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9802.868964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9802.868964][ T10] netlink_rcv_skb+0x130/0x360 [ 9802.868964][ T10] netlink_unicast+0x449/0x710 [ 9802.868964][ T10] netlink_sendmsg+0x723/0xbe0 [ 9802.868964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9802.868964][ T10] ___sys_sendmsg+0xee/0x170 [ 9802.868964][ T10] __sys_sendmsg+0xcd/0x170 [ 9802.868964][ T10] do_syscall_64+0xc6/0x1e0 [ 9802.868964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9802.868964][ T10] [ 9802.870503][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9802.870503][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9802.870503][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9802.870503][ T10] ipv6_find_idev+0x102/0x170 [ 9802.870503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9802.870503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9802.870503][ T10] netlink_rcv_skb+0x130/0x360 [ 9802.870503][ T10] netlink_unicast+0x449/0x710 [ 9802.870503][ T10] netlink_sendmsg+0x723/0xbe0 [ 9802.870503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9802.870503][ T10] ___sys_sendmsg+0xee/0x170 [ 9802.870503][ T10] __sys_sendmsg+0xcd/0x170 [ 9802.870503][ T10] do_syscall_64+0xc6/0x1e0 [ 9802.870503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9802.870503][ T10] [ 9802.872186][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9802.872429][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9802.872429][ T10] netdev_get_by_index+0x5e/0x80 [ 9802.872429][ T10] fib6_nh_init+0x3d8/0x1580 [ 9802.872429][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9802.872429][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9802.872429][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9802.872429][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9802.872429][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9802.872429][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9802.872429][ T10] addrconf_dad_begin+0x310/0x670 [ 9802.872429][ T10] addrconf_dad_work+0x10b/0xab0 [ 9802.872429][ T10] process_one_work+0x84d/0x18a0 [ 9802.872429][ T10] worker_thread+0x587/0xd30 [ 9802.872429][ T10] kthread+0x28a/0x350 [ 9802.872429][ T10] ret_from_fork+0x31/0x70 [ 9802.872429][ T10] ret_from_fork_asm+0x1a/0x30 [ 9802.872429][ T10] [ 9802.874338][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9802.874338][ T10] netdev_get_by_index+0x5e/0x80 [ 9802.874338][ T10] fib6_nh_init+0x3d8/0x1580 [ 9802.874338][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9802.874338][ T10] ip6_route_add+0x1c/0x140 [ 9802.874338][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9802.874338][ T10] inet6_addr_add+0x4f8/0xa40 [ 9802.874338][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9802.874338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9802.874338][ T10] netlink_rcv_skb+0x130/0x360 [ 9802.874338][ T10] netlink_unicast+0x449/0x710 [ 9802.874338][ T10] netlink_sendmsg+0x723/0xbe0 [ 9802.874338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9802.874338][ T10] ___sys_sendmsg+0xee/0x170 [ 9802.874338][ T10] __sys_sendmsg+0xcd/0x170 [ 9802.874338][ T10] do_syscall_64+0xc6/0x1e0 [ 9802.874338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9802.874338][ T10] [ 9802.876533][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9802.876533][ T10] netdev_get_by_index+0x5e/0x80 [ 9802.876533][ T10] fib6_nh_init+0x3d8/0x1580 [ 9802.876533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9802.876533][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9802.876533][ T10] ipv6_add_addr+0x411/0x2000 [ 9802.876533][ T10] inet6_addr_add+0x30e/0xa40 [ 9802.876533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9802.876533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9802.876533][ T10] netlink_rcv_skb+0x130/0x360 [ 9802.876533][ T10] netlink_unicast+0x449/0x710 [ 9802.876533][ T10] netlink_sendmsg+0x723/0xbe0 [ 9802.876533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9802.876533][ T10] ___sys_sendmsg+0xee/0x170 [ 9802.876533][ T10] __sys_sendmsg+0xcd/0x170 [ 9802.876533][ T10] do_syscall_64+0xc6/0x1e0 [ 9802.876533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9802.876533][ T10] [ 9802.878834][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9802.878834][ T10] netdev_get_by_index+0x5e/0x80 [ 9802.878834][ T10] fib6_nh_init+0x3d8/0x1580 [ 9802.878834][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9802.878834][ T10] ip6_route_add+0x1c/0x140 [ 9802.878834][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9802.878834][ T10] addrconf_add_dev+0xe2/0x170 [ 9802.878834][ T10] inet6_addr_add+0x12f/0xa40 [ 9802.878834][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9802.878834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9802.878834][ T10] netlink_rcv_skb+0x130/0x360 [ 9802.878834][ T10] netlink_unicast+0x449/0x710 [ 9802.878834][ T10] netlink_sendmsg+0x723/0xbe0 [ 9802.878834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9802.878834][ T10] ___sys_sendmsg+0xee/0x170 [ 9802.878834][ T10] __sys_sendmsg+0xcd/0x170 [ 9802.878834][ T10] do_syscall_64+0xc6/0x1e0 [ 9802.878834][ T10] [ 9802.880975][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9802.880975][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9802.880975][ T10] ipv6_find_idev+0x102/0x170 [ 9802.880975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9802.880975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9802.880975][ T10] netlink_rcv_skb+0x130/0x360 [ 9802.880975][ T10] netlink_unicast+0x449/0x710 [ 9802.880975][ T10] netlink_sendmsg+0x723/0xbe0 [ 9802.880975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9802.880975][ T10] ___sys_sendmsg+0xee/0x170 [ 9802.880975][ T10] __sys_sendmsg+0xcd/0x170 [ 9802.880975][ T10] do_syscall_64+0xc6/0x1e0 [ 9802.880975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9802.880975][ T10] [ 9802.882736][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9802.882736][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9802.882736][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9802.882736][ T10] ipv6_find_idev+0x102/0x170 [ 9802.882736][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9802.882736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9802.882736][ T10] netlink_rcv_skb+0x130/0x360 [ 9802.882736][ T10] netlink_unicast+0x449/0x710 [ 9802.882736][ T10] netlink_sendmsg+0x723/0xbe0 [ 9802.882736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9802.882736][ T10] ___sys_sendmsg+0xee/0x170 [ 9802.882736][ T10] __sys_sendmsg+0xcd/0x170 [ 9802.882736][ T10] do_syscall_64+0xc6/0x1e0 [ 9802.882736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9802.882736][ T10] [ 9802.884670][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9802.884909][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9802.884909][ T10] netdev_get_by_index+0x5e/0x80 [ 9802.884909][ T10] fib6_nh_init+0x3d8/0x1580 [ 9802.884909][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9802.884909][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9802.884909][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9802.884909][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9802.884909][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9802.884909][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9802.884909][ T10] addrconf_dad_begin+0x310/0x670 [ 9802.884909][ T10] addrconf_dad_work+0x10b/0xab0 [ 9802.884909][ T10] process_one_work+0x84d/0x18a0 [ 9802.884909][ T10] worker_thread+0x587/0xd30 [ 9802.884909][ T10] kthread+0x28a/0x350 [ 9802.884909][ T10] ret_from_fork+0x31/0x70 [ 9802.884909][ T10] ret_from_fork_asm+0x1a/0x30 [ 9802.884909][ T10] [ 9802.887124][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9802.887124][ T10] netdev_get_by_index+0x5e/0x80 [ 9802.887124][ T10] fib6_nh_init+0x3d8/0x1580 [ 9802.887124][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9802.887124][ T10] ip6_route_add+0x1c/0x140 [ 9802.887124][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9802.887124][ T10] inet6_addr_add+0x4f8/0xa40 [ 9802.887124][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9802.887124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9802.887124][ T10] netlink_rcv_skb+0x130/0x360 [ 9802.887124][ T10] netlink_unicast+0x449/0x710 [ 9802.887124][ T10] netlink_sendmsg+0x723/0xbe0 [ 9802.887124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9802.887124][ T10] ___sys_sendmsg+0xee/0x170 [ 9802.887124][ T10] __sys_sendmsg+0xcd/0x170 [ 9802.887124][ T10] do_syscall_64+0xc6/0x1e0 [ 9802.887124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9802.887124][ T10] [ 9802.889303][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9802.889303][ T10] netdev_get_by_index+0x5e/0x80 [ 9802.889303][ T10] fib6_nh_init+0x3d8/0x1580 [ 9802.889303][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9802.889303][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9802.889303][ T10] ipv6_add_addr+0x411/0x2000 [ 9802.889303][ T10] inet6_addr_add+0x30e/0xa40 [ 9802.889303][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9802.889303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9802.889303][ T10] netlink_rcv_skb+0x130/0x360 [ 9802.889303][ T10] netlink_unicast+0x449/0x710 [ 9802.889303][ T10] netlink_sendmsg+0x723/0xbe0 [ 9802.889303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9802.889303][ T10] ___sys_sendmsg+0xee/0x170 [ 9802.889303][ T10] __sys_sendmsg+0xcd/0x170 [ 9802.889303][ T10] do_syscall_64+0xc6/0x1e0 [ 9802.889303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9802.889303][ T10] [ 9802.891545][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9802.891545][ T10] netdev_get_by_index+0x5e/0x80 [ 9802.891545][ T10] fib6_nh_init+0x3d8/0x1580 [ 9802.891545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9802.891545][ T10] ip6_route_add+0x1c/0x140 [ 9802.891545][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9802.891545][ T10] addrconf_add_dev+0xe2/0x170 [ 9802.891545][ T10] inet6_addr_add+0x12f/0xa40 [ 9802.891545][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9802.891545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9802.891545][ T10] netlink_rcv_skb+0x130/0x360 [ 9802.891545][ T10] netlink_unicast+0x449/0x710 [ 9802.891545][ T10] netlink_sendmsg+0x723/0xbe0 [ 9802.891545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9802.891545][ T10] ___sys_sendmsg+0xee/0x170 [ 9802.891545][ T10] __sys_sendmsg+0xcd/0x170 [ 9802.891545][ T10] do_syscall_64+0xc6/0x1e0 [ 9802.891545][ T10] [ 9802.893764][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9802.893764][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9802.893764][ T10] ipv6_find_idev+0x102/0x170 [ 9802.893764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9802.893764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9802.893764][ T10] netlink_rcv_skb+0x130/0x360 [ 9802.893764][ T10] netlink_unicast+0x449/0x710 [ 9802.893764][ T10] netlink_sendmsg+0x723/0xbe0 [ 9802.893764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9802.893764][ T10] ___sys_sendmsg+0xee/0x170 [ 9802.893764][ T10] __sys_sendmsg+0xcd/0x170 [ 9802.893764][ T10] do_syscall_64+0xc6/0x1e0 [ 9802.893764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9802.893764][ T10] [ 9802.895488][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9802.895488][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9802.895488][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9802.895488][ T10] ipv6_find_idev+0x102/0x170 [ 9802.895488][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9802.895488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9802.895488][ T10] netlink_rcv_skb+0x130/0x360 [ 9802.895488][ T10] netlink_unicast+0x449/0x710 [ 9802.895488][ T10] netlink_sendmsg+0x723/0xbe0 [ 9802.895488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9802.895488][ T10] ___sys_sendmsg+0xee/0x170 [ 9802.895488][ T10] __sys_sendmsg+0xcd/0x170 [ 9802.895488][ T10] do_syscall_64+0xc6/0x1e0 [ 9802.895488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9802.895488][ T10] [ 9805.665108][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9805.665576][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9805.665576][ T1167] dst_init+0x84/0x4a0 [ 9805.665576][ T1167] dst_alloc+0x97/0x150 [ 9805.665576][ T1167] ip6_dst_alloc+0x23/0x90 [ 9805.665576][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9805.665576][ T1167] ip6_pol_route+0x56f/0x840 [ 9805.665576][ T1167] fib6_rule_lookup+0x334/0x630 [ 9805.665576][ T1167] ip6_route_output_flags+0x259/0x480 [ 9805.665576][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9805.665576][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9805.665576][ T1167] netlink_rcv_skb+0x130/0x360 [ 9805.665576][ T1167] netlink_unicast+0x449/0x710 [ 9805.665576][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9805.665576][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9805.665576][ T1167] ___sys_sendmsg+0xee/0x170 [ 9805.665576][ T1167] __sys_sendmsg+0xcd/0x170 [ 9805.665576][ T1167] do_syscall_64+0xc6/0x1e0 [ 9805.665576][ T1167] [ 9805.667761][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9805.667761][ T1167] netdev_get_by_index+0x5e/0x80 [ 9805.667761][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9805.667761][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9805.667761][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9805.667761][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9805.667761][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9805.667761][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9805.667761][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9805.667761][ T1167] addrconf_dad_begin+0x310/0x670 [ 9805.667761][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9805.667761][ T1167] process_one_work+0x84d/0x18a0 [ 9805.667761][ T1167] worker_thread+0x587/0xd30 [ 9805.667761][ T1167] kthread+0x28a/0x350 [ 9805.667761][ T1167] ret_from_fork+0x31/0x70 [ 9805.667761][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9805.667761][ T1167] [ 9805.669907][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9805.669907][ T1167] netdev_get_by_index+0x5e/0x80 [ 9805.669907][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9805.669907][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9805.669907][ T1167] ip6_route_add+0x1c/0x140 [ 9805.669907][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9805.669907][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9805.669907][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9805.669907][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9805.669907][ T1167] netlink_rcv_skb+0x130/0x360 [ 9805.669907][ T1167] netlink_unicast+0x449/0x710 [ 9805.669907][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9805.669907][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9805.669907][ T1167] ___sys_sendmsg+0xee/0x170 [ 9805.669907][ T1167] __sys_sendmsg+0xcd/0x170 [ 9805.669907][ T1167] do_syscall_64+0xc6/0x1e0 [ 9805.669907][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9805.669907][ T1167] [ 9805.672253][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9805.672253][ T1167] netdev_get_by_index+0x5e/0x80 [ 9805.672253][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9805.672253][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9805.672253][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9805.672253][ T1167] ipv6_add_addr+0x411/0x2000 [ 9805.672253][ T1167] inet6_addr_add+0x30e/0xa40 [ 9805.672253][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9805.672253][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9805.672253][ T1167] netlink_rcv_skb+0x130/0x360 [ 9805.672253][ T1167] netlink_unicast+0x449/0x710 [ 9805.672253][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9805.672253][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9805.672253][ T1167] ___sys_sendmsg+0xee/0x170 [ 9805.672253][ T1167] __sys_sendmsg+0xcd/0x170 [ 9805.672253][ T1167] do_syscall_64+0xc6/0x1e0 [ 9805.672253][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9805.672253][ T1167] [ 9805.674483][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9805.674483][ T1167] netdev_get_by_index+0x5e/0x80 [ 9805.674483][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9805.674483][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9805.674483][ T1167] ip6_route_add+0x1c/0x140 [ 9805.674483][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9805.674483][ T1167] addrconf_add_dev+0xe2/0x170 [ 9805.674483][ T1167] inet6_addr_add+0x12f/0xa40 [ 9805.674483][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9805.674483][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9805.674483][ T1167] netlink_rcv_skb+0x130/0x360 [ 9805.674483][ T1167] netlink_unicast+0x449/0x710 [ 9805.674483][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9805.674483][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9805.674483][ T1167] ___sys_sendmsg+0xee/0x170 [ 9805.674483][ T1167] __sys_sendmsg+0xcd/0x170 [ 9805.674483][ T1167] do_syscall_64+0xc6/0x1e0 [ 9805.674483][ T1167] [ 9805.676672][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9805.676672][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9805.676672][ T1167] ipv6_find_idev+0x102/0x170 [ 9805.676672][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9805.676672][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9805.676672][ T1167] netlink_rcv_skb+0x130/0x360 [ 9805.676672][ T1167] netlink_unicast+0x449/0x710 [ 9805.676672][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9805.676672][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9805.676672][ T1167] ___sys_sendmsg+0xee/0x170 [ 9805.676672][ T1167] __sys_sendmsg+0xcd/0x170 [ 9805.676672][ T1167] do_syscall_64+0xc6/0x1e0 [ 9805.676672][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9805.676672][ T1167] [ 9805.678400][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9805.678400][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9805.678400][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9805.678400][ T1167] ipv6_find_idev+0x102/0x170 [ 9805.678400][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9805.678400][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9805.678400][ T1167] netlink_rcv_skb+0x130/0x360 [ 9805.678400][ T1167] netlink_unicast+0x449/0x710 [ 9805.678400][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9805.678400][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9805.678400][ T1167] ___sys_sendmsg+0xee/0x170 [ 9805.678400][ T1167] __sys_sendmsg+0xcd/0x170 [ 9805.678400][ T1167] do_syscall_64+0xc6/0x1e0 [ 9805.678400][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9805.678400][ T1167] [ 9812.993105][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9812.993526][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9812.993526][ T10] netdev_get_by_index+0x5e/0x80 [ 9812.993526][ T10] fib6_nh_init+0x3d8/0x1580 [ 9812.993526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9812.993526][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9812.993526][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9812.993526][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9812.993526][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9812.993526][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9812.993526][ T10] addrconf_dad_begin+0x310/0x670 [ 9812.993526][ T10] addrconf_dad_work+0x10b/0xab0 [ 9812.993526][ T10] process_one_work+0x84d/0x18a0 [ 9812.993526][ T10] worker_thread+0x587/0xd30 [ 9812.993526][ T10] kthread+0x28a/0x350 [ 9812.993526][ T10] ret_from_fork+0x31/0x70 [ 9812.993526][ T10] ret_from_fork_asm+0x1a/0x30 [ 9812.993526][ T10] [ 9812.995449][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9812.995449][ T10] netdev_get_by_index+0x5e/0x80 [ 9812.995449][ T10] fib6_nh_init+0x3d8/0x1580 [ 9812.995449][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9812.995449][ T10] ip6_route_add+0x1c/0x140 [ 9812.995449][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9812.995449][ T10] inet6_addr_add+0x4f8/0xa40 [ 9812.995449][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9812.995449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9812.995449][ T10] netlink_rcv_skb+0x130/0x360 [ 9812.995449][ T10] netlink_unicast+0x449/0x710 [ 9812.995449][ T10] netlink_sendmsg+0x723/0xbe0 [ 9812.995449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9812.995449][ T10] ___sys_sendmsg+0xee/0x170 [ 9812.995449][ T10] __sys_sendmsg+0xcd/0x170 [ 9812.995449][ T10] do_syscall_64+0xc6/0x1e0 [ 9812.995449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9812.995449][ T10] [ 9812.997433][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9812.997433][ T10] netdev_get_by_index+0x5e/0x80 [ 9812.997433][ T10] fib6_nh_init+0x3d8/0x1580 [ 9812.997433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9812.997433][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9812.997433][ T10] ipv6_add_addr+0x411/0x2000 [ 9812.997433][ T10] inet6_addr_add+0x30e/0xa40 [ 9812.997433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9812.997433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9812.997433][ T10] netlink_rcv_skb+0x130/0x360 [ 9812.997433][ T10] netlink_unicast+0x449/0x710 [ 9812.997433][ T10] netlink_sendmsg+0x723/0xbe0 [ 9812.997433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9812.997433][ T10] ___sys_sendmsg+0xee/0x170 [ 9812.997433][ T10] __sys_sendmsg+0xcd/0x170 [ 9812.997433][ T10] do_syscall_64+0xc6/0x1e0 [ 9812.997433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9812.997433][ T10] [ 9812.999412][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9812.999412][ T10] netdev_get_by_index+0x5e/0x80 [ 9812.999412][ T10] fib6_nh_init+0x3d8/0x1580 [ 9812.999412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9812.999412][ T10] ip6_route_add+0x1c/0x140 [ 9812.999412][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9812.999412][ T10] addrconf_add_dev+0xe2/0x170 [ 9812.999412][ T10] inet6_addr_add+0x12f/0xa40 [ 9812.999412][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9812.999412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9812.999412][ T10] netlink_rcv_skb+0x130/0x360 [ 9812.999412][ T10] netlink_unicast+0x449/0x710 [ 9812.999412][ T10] netlink_sendmsg+0x723/0xbe0 [ 9812.999412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9812.999412][ T10] ___sys_sendmsg+0xee/0x170 [ 9812.999412][ T10] __sys_sendmsg+0xcd/0x170 [ 9812.999412][ T10] do_syscall_64+0xc6/0x1e0 [ 9812.999412][ T10] [ 9813.001352][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9813.001352][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9813.001352][ T10] ipv6_find_idev+0x102/0x170 [ 9813.001352][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9813.001352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9813.001352][ T10] netlink_rcv_skb+0x130/0x360 [ 9813.001352][ T10] netlink_unicast+0x449/0x710 [ 9813.001352][ T10] netlink_sendmsg+0x723/0xbe0 [ 9813.001352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9813.001352][ T10] ___sys_sendmsg+0xee/0x170 [ 9813.001352][ T10] __sys_sendmsg+0xcd/0x170 [ 9813.001352][ T10] do_syscall_64+0xc6/0x1e0 [ 9813.001352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9813.001352][ T10] [ 9813.002892][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9813.002892][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9813.002892][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9813.002892][ T10] ipv6_find_idev+0x102/0x170 [ 9813.002892][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9813.002892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9813.002892][ T10] netlink_rcv_skb+0x130/0x360 [ 9813.002892][ T10] netlink_unicast+0x449/0x710 [ 9813.002892][ T10] netlink_sendmsg+0x723/0xbe0 [ 9813.002892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9813.002892][ T10] ___sys_sendmsg+0xee/0x170 [ 9813.002892][ T10] __sys_sendmsg+0xcd/0x170 [ 9813.002892][ T10] do_syscall_64+0xc6/0x1e0 [ 9813.002892][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9813.002892][ T10] [ 9813.004572][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9813.004810][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9813.004810][ T10] netdev_get_by_index+0x5e/0x80 [ 9813.004810][ T10] fib6_nh_init+0x3d8/0x1580 [ 9813.004810][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9813.004810][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9813.004810][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9813.004810][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9813.004810][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9813.004810][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9813.004810][ T10] addrconf_dad_begin+0x310/0x670 [ 9813.004810][ T10] addrconf_dad_work+0x10b/0xab0 [ 9813.004810][ T10] process_one_work+0x84d/0x18a0 [ 9813.004810][ T10] worker_thread+0x587/0xd30 [ 9813.004810][ T10] kthread+0x28a/0x350 [ 9813.004810][ T10] ret_from_fork+0x31/0x70 [ 9813.004810][ T10] ret_from_fork_asm+0x1a/0x30 [ 9813.004810][ T10] [ 9813.006702][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9813.006702][ T10] netdev_get_by_index+0x5e/0x80 [ 9813.006702][ T10] fib6_nh_init+0x3d8/0x1580 [ 9813.006702][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9813.006702][ T10] ip6_route_add+0x1c/0x140 [ 9813.006702][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9813.006702][ T10] inet6_addr_add+0x4f8/0xa40 [ 9813.006702][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9813.006702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9813.006702][ T10] netlink_rcv_skb+0x130/0x360 [ 9813.006702][ T10] netlink_unicast+0x449/0x710 [ 9813.006702][ T10] netlink_sendmsg+0x723/0xbe0 [ 9813.006702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9813.006702][ T10] ___sys_sendmsg+0xee/0x170 [ 9813.006702][ T10] __sys_sendmsg+0xcd/0x170 [ 9813.006702][ T10] do_syscall_64+0xc6/0x1e0 [ 9813.006702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9813.006702][ T10] [ 9813.008673][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9813.008673][ T10] netdev_get_by_index+0x5e/0x80 [ 9813.008673][ T10] fib6_nh_init+0x3d8/0x1580 [ 9813.008673][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9813.008673][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9813.008673][ T10] ipv6_add_addr+0x411/0x2000 [ 9813.008673][ T10] inet6_addr_add+0x30e/0xa40 [ 9813.008673][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9813.008673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9813.008673][ T10] netlink_rcv_skb+0x130/0x360 [ 9813.008673][ T10] netlink_unicast+0x449/0x710 [ 9813.008673][ T10] netlink_sendmsg+0x723/0xbe0 [ 9813.008673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9813.008673][ T10] ___sys_sendmsg+0xee/0x170 [ 9813.008673][ T10] __sys_sendmsg+0xcd/0x170 [ 9813.008673][ T10] do_syscall_64+0xc6/0x1e0 [ 9813.008673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9813.008673][ T10] [ 9813.010640][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9813.010640][ T10] netdev_get_by_index+0x5e/0x80 [ 9813.010640][ T10] fib6_nh_init+0x3d8/0x1580 [ 9813.010640][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9813.010640][ T10] ip6_route_add+0x1c/0x140 [ 9813.010640][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9813.010640][ T10] addrconf_add_dev+0xe2/0x170 [ 9813.010640][ T10] inet6_addr_add+0x12f/0xa40 [ 9813.010640][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9813.010640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9813.010640][ T10] netlink_rcv_skb+0x130/0x360 [ 9813.010640][ T10] netlink_unicast+0x449/0x710 [ 9813.010640][ T10] netlink_sendmsg+0x723/0xbe0 [ 9813.010640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9813.010640][ T10] ___sys_sendmsg+0xee/0x170 [ 9813.010640][ T10] __sys_sendmsg+0xcd/0x170 [ 9813.010640][ T10] do_syscall_64+0xc6/0x1e0 [ 9813.010640][ T10] [ 9813.012574][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9813.012574][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9813.012574][ T10] ipv6_find_idev+0x102/0x170 [ 9813.012574][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9813.012574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9813.012574][ T10] netlink_rcv_skb+0x130/0x360 [ 9813.012574][ T10] netlink_unicast+0x449/0x710 [ 9813.012574][ T10] netlink_sendmsg+0x723/0xbe0 [ 9813.012574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9813.012574][ T10] ___sys_sendmsg+0xee/0x170 [ 9813.012574][ T10] __sys_sendmsg+0xcd/0x170 [ 9813.012574][ T10] do_syscall_64+0xc6/0x1e0 [ 9813.012574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9813.012574][ T10] [ 9813.014096][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9813.014096][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9813.014096][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9813.014096][ T10] ipv6_find_idev+0x102/0x170 [ 9813.014096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9813.014096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9813.014096][ T10] netlink_rcv_skb+0x130/0x360 [ 9813.014096][ T10] netlink_unicast+0x449/0x710 [ 9813.014096][ T10] netlink_sendmsg+0x723/0xbe0 [ 9813.014096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9813.014096][ T10] ___sys_sendmsg+0xee/0x170 [ 9813.014096][ T10] __sys_sendmsg+0xcd/0x170 [ 9813.014096][ T10] do_syscall_64+0xc6/0x1e0 [ 9813.014096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9813.014096][ T10] [ 9813.015766][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9813.016004][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9813.016004][ T10] netdev_get_by_index+0x5e/0x80 [ 9813.016004][ T10] fib6_nh_init+0x3d8/0x1580 [ 9813.016004][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9813.016004][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9813.016004][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9813.016004][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9813.016004][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9813.016004][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9813.016004][ T10] addrconf_dad_begin+0x310/0x670 [ 9813.016004][ T10] addrconf_dad_work+0x10b/0xab0 [ 9813.016004][ T10] process_one_work+0x84d/0x18a0 [ 9813.016004][ T10] worker_thread+0x587/0xd30 [ 9813.016004][ T10] kthread+0x28a/0x350 [ 9813.016004][ T10] ret_from_fork+0x31/0x70 [ 9813.016004][ T10] ret_from_fork_asm+0x1a/0x30 [ 9813.016004][ T10] [ 9813.017883][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9813.017883][ T10] netdev_get_by_index+0x5e/0x80 [ 9813.017883][ T10] fib6_nh_init+0x3d8/0x1580 [ 9813.017883][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9813.017883][ T10] ip6_route_add+0x1c/0x140 [ 9813.017883][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9813.017883][ T10] inet6_addr_add+0x4f8/0xa40 [ 9813.017883][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9813.017883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9813.017883][ T10] netlink_rcv_skb+0x130/0x360 [ 9813.017883][ T10] netlink_unicast+0x449/0x710 [ 9813.017883][ T10] netlink_sendmsg+0x723/0xbe0 [ 9813.017883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9813.017883][ T10] ___sys_sendmsg+0xee/0x170 [ 9813.017883][ T10] __sys_sendmsg+0xcd/0x170 [ 9813.017883][ T10] do_syscall_64+0xc6/0x1e0 [ 9813.017883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9813.017883][ T10] [ 9813.019985][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9813.019985][ T10] netdev_get_by_index+0x5e/0x80 [ 9813.019985][ T10] fib6_nh_init+0x3d8/0x1580 [ 9813.019985][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9813.019985][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9813.019985][ T10] ipv6_add_addr+0x411/0x2000 [ 9813.019985][ T10] inet6_addr_add+0x30e/0xa40 [ 9813.019985][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9813.019985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9813.019985][ T10] netlink_rcv_skb+0x130/0x360 [ 9813.019985][ T10] netlink_unicast+0x449/0x710 [ 9813.019985][ T10] netlink_sendmsg+0x723/0xbe0 [ 9813.019985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9813.019985][ T10] ___sys_sendmsg+0xee/0x170 [ 9813.019985][ T10] __sys_sendmsg+0xcd/0x170 [ 9813.019985][ T10] do_syscall_64+0xc6/0x1e0 [ 9813.019985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9813.019985][ T10] [ 9813.022089][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9813.022089][ T10] netdev_get_by_index+0x5e/0x80 [ 9813.022089][ T10] fib6_nh_init+0x3d8/0x1580 [ 9813.022089][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9813.022089][ T10] ip6_route_add+0x1c/0x140 [ 9813.022089][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9813.022089][ T10] addrconf_add_dev+0xe2/0x170 [ 9813.022089][ T10] inet6_addr_add+0x12f/0xa40 [ 9813.022089][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9813.022089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9813.022089][ T10] netlink_rcv_skb+0x130/0x360 [ 9813.022089][ T10] netlink_unicast+0x449/0x710 [ 9813.022089][ T10] netlink_sendmsg+0x723/0xbe0 [ 9813.022089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9813.022089][ T10] ___sys_sendmsg+0xee/0x170 [ 9813.022089][ T10] __sys_sendmsg+0xcd/0x170 [ 9813.022089][ T10] do_syscall_64+0xc6/0x1e0 [ 9813.022089][ T10] [ 9813.024159][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9813.024159][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9813.024159][ T10] ipv6_find_idev+0x102/0x170 [ 9813.024159][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9813.024159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9813.024159][ T10] netlink_rcv_skb+0x130/0x360 [ 9813.024159][ T10] netlink_unicast+0x449/0x710 [ 9813.024159][ T10] netlink_sendmsg+0x723/0xbe0 [ 9813.024159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9813.024159][ T10] ___sys_sendmsg+0xee/0x170 [ 9813.024159][ T10] __sys_sendmsg+0xcd/0x170 [ 9813.024159][ T10] do_syscall_64+0xc6/0x1e0 [ 9813.024159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9813.024159][ T10] [ 9813.025803][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9813.025803][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9813.025803][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9813.025803][ T10] ipv6_find_idev+0x102/0x170 [ 9813.025803][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9813.025803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9813.025803][ T10] netlink_rcv_skb+0x130/0x360 [ 9813.025803][ T10] netlink_unicast+0x449/0x710 [ 9813.025803][ T10] netlink_sendmsg+0x723/0xbe0 [ 9813.025803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9813.025803][ T10] ___sys_sendmsg+0xee/0x170 [ 9813.025803][ T10] __sys_sendmsg+0xcd/0x170 [ 9813.025803][ T10] do_syscall_64+0xc6/0x1e0 [ 9813.025803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9813.025803][ T10] [ 9813.027527][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9813.027764][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9813.027764][ T10] netdev_get_by_index+0x5e/0x80 [ 9813.027764][ T10] fib6_nh_init+0x3d8/0x1580 [ 9813.027764][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9813.027764][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9813.027764][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9813.027764][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9813.027764][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9813.027764][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9813.027764][ T10] addrconf_dad_begin+0x310/0x670 [ 9813.027764][ T10] addrconf_dad_work+0x10b/0xab0 [ 9813.027764][ T10] process_one_work+0x84d/0x18a0 [ 9813.027764][ T10] worker_thread+0x587/0xd30 [ 9813.027764][ T10] kthread+0x28a/0x350 [ 9813.027764][ T10] ret_from_fork+0x31/0x70 [ 9813.027764][ T10] ret_from_fork_asm+0x1a/0x30 [ 9813.027764][ T10] [ 9813.029956][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9813.029956][ T10] netdev_get_by_index+0x5e/0x80 [ 9813.029956][ T10] fib6_nh_init+0x3d8/0x1580 [ 9813.029956][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9813.029956][ T10] ip6_route_add+0x1c/0x140 [ 9813.029956][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9813.029956][ T10] inet6_addr_add+0x4f8/0xa40 [ 9813.029956][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9813.029956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9813.029956][ T10] netlink_rcv_skb+0x130/0x360 [ 9813.029956][ T10] netlink_unicast+0x449/0x710 [ 9813.029956][ T10] netlink_sendmsg+0x723/0xbe0 [ 9813.029956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9813.029956][ T10] ___sys_sendmsg+0xee/0x170 [ 9813.029956][ T10] __sys_sendmsg+0xcd/0x170 [ 9813.029956][ T10] do_syscall_64+0xc6/0x1e0 [ 9813.029956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9813.029956][ T10] [ 9813.032695][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9813.032695][ T10] netdev_get_by_index+0x5e/0x80 [ 9813.032695][ T10] fib6_nh_init+0x3d8/0x1580 [ 9813.032695][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9813.032695][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9813.032695][ T10] ipv6_add_addr+0x411/0x2000 [ 9813.032695][ T10] inet6_addr_add+0x30e/0xa40 [ 9813.032695][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9813.032695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9813.032695][ T10] netlink_rcv_skb+0x130/0x360 [ 9813.032695][ T10] netlink_unicast+0x449/0x710 [ 9813.032695][ T10] netlink_sendmsg+0x723/0xbe0 [ 9813.032695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9813.032695][ T10] ___sys_sendmsg+0xee/0x170 [ 9813.032695][ T10] __sys_sendmsg+0xcd/0x170 [ 9813.032695][ T10] do_syscall_64+0xc6/0x1e0 [ 9813.032695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9813.032695][ T10] [ 9813.034916][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9813.034916][ T10] netdev_get_by_index+0x5e/0x80 [ 9813.034916][ T10] fib6_nh_init+0x3d8/0x1580 [ 9813.034916][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9813.034916][ T10] ip6_route_add+0x1c/0x140 [ 9813.034916][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9813.034916][ T10] addrconf_add_dev+0xe2/0x170 [ 9813.034916][ T10] inet6_addr_add+0x12f/0xa40 [ 9813.034916][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9813.034916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9813.034916][ T10] netlink_rcv_skb+0x130/0x360 [ 9813.034916][ T10] netlink_unicast+0x449/0x710 [ 9813.034916][ T10] netlink_sendmsg+0x723/0xbe0 [ 9813.034916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9813.034916][ T10] ___sys_sendmsg+0xee/0x170 [ 9813.034916][ T10] __sys_sendmsg+0xcd/0x170 [ 9813.034916][ T10] do_syscall_64+0xc6/0x1e0 [ 9813.034916][ T10] [ 9813.037041][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9813.037041][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9813.037041][ T10] ipv6_find_idev+0x102/0x170 [ 9813.037041][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9813.037041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9813.037041][ T10] netlink_rcv_skb+0x130/0x360 [ 9813.037041][ T10] netlink_unicast+0x449/0x710 [ 9813.037041][ T10] netlink_sendmsg+0x723/0xbe0 [ 9813.037041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9813.037041][ T10] ___sys_sendmsg+0xee/0x170 [ 9813.037041][ T10] __sys_sendmsg+0xcd/0x170 [ 9813.037041][ T10] do_syscall_64+0xc6/0x1e0 [ 9813.037041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9813.037041][ T10] [ 9813.038745][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9813.038745][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9813.038745][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9813.038745][ T10] ipv6_find_idev+0x102/0x170 [ 9813.038745][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9813.038745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9813.038745][ T10] netlink_rcv_skb+0x130/0x360 [ 9813.038745][ T10] netlink_unicast+0x449/0x710 [ 9813.038745][ T10] netlink_sendmsg+0x723/0xbe0 [ 9813.038745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9813.038745][ T10] ___sys_sendmsg+0xee/0x170 [ 9813.038745][ T10] __sys_sendmsg+0xcd/0x170 [ 9813.038745][ T10] do_syscall_64+0xc6/0x1e0 [ 9813.038745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9813.038745][ T10] [ 9815.809136][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9815.809618][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9815.809618][ T1167] dst_init+0x84/0x4a0 [ 9815.809618][ T1167] dst_alloc+0x97/0x150 [ 9815.809618][ T1167] ip6_dst_alloc+0x23/0x90 [ 9815.809618][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9815.809618][ T1167] ip6_pol_route+0x56f/0x840 [ 9815.809618][ T1167] fib6_rule_lookup+0x334/0x630 [ 9815.809618][ T1167] ip6_route_output_flags+0x259/0x480 [ 9815.809618][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9815.809618][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9815.809618][ T1167] netlink_rcv_skb+0x130/0x360 [ 9815.809618][ T1167] netlink_unicast+0x449/0x710 [ 9815.809618][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9815.809618][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9815.809618][ T1167] ___sys_sendmsg+0xee/0x170 [ 9815.809618][ T1167] __sys_sendmsg+0xcd/0x170 [ 9815.809618][ T1167] do_syscall_64+0xc6/0x1e0 [ 9815.809618][ T1167] [ 9815.811826][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9815.811826][ T1167] netdev_get_by_index+0x5e/0x80 [ 9815.811826][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9815.811826][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9815.811826][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9815.811826][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9815.811826][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9815.811826][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9815.811826][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9815.811826][ T1167] addrconf_dad_begin+0x310/0x670 [ 9815.811826][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9815.811826][ T1167] process_one_work+0x84d/0x18a0 [ 9815.811826][ T1167] worker_thread+0x587/0xd30 [ 9815.811826][ T1167] kthread+0x28a/0x350 [ 9815.811826][ T1167] ret_from_fork+0x31/0x70 [ 9815.811826][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9815.811826][ T1167] [ 9815.813983][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9815.813983][ T1167] netdev_get_by_index+0x5e/0x80 [ 9815.813983][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9815.813983][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9815.813983][ T1167] ip6_route_add+0x1c/0x140 [ 9815.813983][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9815.813983][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9815.813983][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9815.813983][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9815.813983][ T1167] netlink_rcv_skb+0x130/0x360 [ 9815.813983][ T1167] netlink_unicast+0x449/0x710 [ 9815.813983][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9815.813983][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9815.813983][ T1167] ___sys_sendmsg+0xee/0x170 [ 9815.813983][ T1167] __sys_sendmsg+0xcd/0x170 [ 9815.813983][ T1167] do_syscall_64+0xc6/0x1e0 [ 9815.813983][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9815.813983][ T1167] [ 9815.816238][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9815.816238][ T1167] netdev_get_by_index+0x5e/0x80 [ 9815.816238][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9815.816238][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9815.816238][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9815.816238][ T1167] ipv6_add_addr+0x411/0x2000 [ 9815.816238][ T1167] inet6_addr_add+0x30e/0xa40 [ 9815.816238][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9815.816238][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9815.816238][ T1167] netlink_rcv_skb+0x130/0x360 [ 9815.816238][ T1167] netlink_unicast+0x449/0x710 [ 9815.816238][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9815.816238][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9815.816238][ T1167] ___sys_sendmsg+0xee/0x170 [ 9815.816238][ T1167] __sys_sendmsg+0xcd/0x170 [ 9815.816238][ T1167] do_syscall_64+0xc6/0x1e0 [ 9815.816238][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9815.816238][ T1167] [ 9815.818503][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9815.818503][ T1167] netdev_get_by_index+0x5e/0x80 [ 9815.818503][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9815.818503][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9815.818503][ T1167] ip6_route_add+0x1c/0x140 [ 9815.818503][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9815.818503][ T1167] addrconf_add_dev+0xe2/0x170 [ 9815.818503][ T1167] inet6_addr_add+0x12f/0xa40 [ 9815.818503][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9815.818503][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9815.818503][ T1167] netlink_rcv_skb+0x130/0x360 [ 9815.818503][ T1167] netlink_unicast+0x449/0x710 [ 9815.818503][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9815.818503][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9815.818503][ T1167] ___sys_sendmsg+0xee/0x170 [ 9815.818503][ T1167] __sys_sendmsg+0xcd/0x170 [ 9815.818503][ T1167] do_syscall_64+0xc6/0x1e0 [ 9815.818503][ T1167] [ 9815.820722][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9815.820722][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9815.820722][ T1167] ipv6_find_idev+0x102/0x170 [ 9815.820722][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9815.820722][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9815.820722][ T1167] netlink_rcv_skb+0x130/0x360 [ 9815.820722][ T1167] netlink_unicast+0x449/0x710 [ 9815.820722][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9815.820722][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9815.820722][ T1167] ___sys_sendmsg+0xee/0x170 [ 9815.820722][ T1167] __sys_sendmsg+0xcd/0x170 [ 9815.820722][ T1167] do_syscall_64+0xc6/0x1e0 [ 9815.820722][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9815.820722][ T1167] [ 9815.822457][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9815.822457][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9815.822457][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9815.822457][ T1167] ipv6_find_idev+0x102/0x170 [ 9815.822457][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9815.822457][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9815.822457][ T1167] netlink_rcv_skb+0x130/0x360 [ 9815.822457][ T1167] netlink_unicast+0x449/0x710 [ 9815.822457][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9815.822457][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9815.822457][ T1167] ___sys_sendmsg+0xee/0x170 [ 9815.822457][ T1167] __sys_sendmsg+0xcd/0x170 [ 9815.822457][ T1167] do_syscall_64+0xc6/0x1e0 [ 9815.822457][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9815.822457][ T1167] [ 9823.297103][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9823.297500][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9823.297500][ T10] netdev_get_by_index+0x5e/0x80 [ 9823.297500][ T10] fib6_nh_init+0x3d8/0x1580 [ 9823.297500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9823.297500][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9823.297500][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9823.297500][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9823.297500][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9823.297500][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9823.297500][ T10] addrconf_dad_begin+0x310/0x670 [ 9823.297500][ T10] addrconf_dad_work+0x10b/0xab0 [ 9823.297500][ T10] process_one_work+0x84d/0x18a0 [ 9823.297500][ T10] worker_thread+0x587/0xd30 [ 9823.297500][ T10] kthread+0x28a/0x350 [ 9823.297500][ T10] ret_from_fork+0x31/0x70 [ 9823.297500][ T10] ret_from_fork_asm+0x1a/0x30 [ 9823.297500][ T10] [ 9823.299414][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9823.299414][ T10] netdev_get_by_index+0x5e/0x80 [ 9823.299414][ T10] fib6_nh_init+0x3d8/0x1580 [ 9823.299414][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9823.299414][ T10] ip6_route_add+0x1c/0x140 [ 9823.299414][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9823.299414][ T10] inet6_addr_add+0x4f8/0xa40 [ 9823.299414][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9823.299414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9823.299414][ T10] netlink_rcv_skb+0x130/0x360 [ 9823.299414][ T10] netlink_unicast+0x449/0x710 [ 9823.299414][ T10] netlink_sendmsg+0x723/0xbe0 [ 9823.299414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9823.299414][ T10] ___sys_sendmsg+0xee/0x170 [ 9823.299414][ T10] __sys_sendmsg+0xcd/0x170 [ 9823.299414][ T10] do_syscall_64+0xc6/0x1e0 [ 9823.299414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9823.299414][ T10] [ 9823.301395][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9823.301395][ T10] netdev_get_by_index+0x5e/0x80 [ 9823.301395][ T10] fib6_nh_init+0x3d8/0x1580 [ 9823.301395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9823.301395][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9823.301395][ T10] ipv6_add_addr+0x411/0x2000 [ 9823.301395][ T10] inet6_addr_add+0x30e/0xa40 [ 9823.301395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9823.301395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9823.301395][ T10] netlink_rcv_skb+0x130/0x360 [ 9823.301395][ T10] netlink_unicast+0x449/0x710 [ 9823.301395][ T10] netlink_sendmsg+0x723/0xbe0 [ 9823.301395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9823.301395][ T10] ___sys_sendmsg+0xee/0x170 [ 9823.301395][ T10] __sys_sendmsg+0xcd/0x170 [ 9823.301395][ T10] do_syscall_64+0xc6/0x1e0 [ 9823.301395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9823.301395][ T10] [ 9823.303375][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9823.303375][ T10] netdev_get_by_index+0x5e/0x80 [ 9823.303375][ T10] fib6_nh_init+0x3d8/0x1580 [ 9823.303375][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9823.303375][ T10] ip6_route_add+0x1c/0x140 [ 9823.303375][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9823.303375][ T10] addrconf_add_dev+0xe2/0x170 [ 9823.303375][ T10] inet6_addr_add+0x12f/0xa40 [ 9823.303375][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9823.303375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9823.303375][ T10] netlink_rcv_skb+0x130/0x360 [ 9823.303375][ T10] netlink_unicast+0x449/0x710 [ 9823.303375][ T10] netlink_sendmsg+0x723/0xbe0 [ 9823.303375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9823.303375][ T10] ___sys_sendmsg+0xee/0x170 [ 9823.303375][ T10] __sys_sendmsg+0xcd/0x170 [ 9823.303375][ T10] do_syscall_64+0xc6/0x1e0 [ 9823.303375][ T10] [ 9823.305317][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9823.305317][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9823.305317][ T10] ipv6_find_idev+0x102/0x170 [ 9823.305317][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9823.305317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9823.305317][ T10] netlink_rcv_skb+0x130/0x360 [ 9823.305317][ T10] netlink_unicast+0x449/0x710 [ 9823.305317][ T10] netlink_sendmsg+0x723/0xbe0 [ 9823.305317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9823.305317][ T10] ___sys_sendmsg+0xee/0x170 [ 9823.305317][ T10] __sys_sendmsg+0xcd/0x170 [ 9823.305317][ T10] do_syscall_64+0xc6/0x1e0 [ 9823.305317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9823.305317][ T10] [ 9823.306838][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9823.306838][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9823.306838][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9823.306838][ T10] ipv6_find_idev+0x102/0x170 [ 9823.306838][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9823.306838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9823.306838][ T10] netlink_rcv_skb+0x130/0x360 [ 9823.306838][ T10] netlink_unicast+0x449/0x710 [ 9823.306838][ T10] netlink_sendmsg+0x723/0xbe0 [ 9823.306838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9823.306838][ T10] ___sys_sendmsg+0xee/0x170 [ 9823.306838][ T10] __sys_sendmsg+0xcd/0x170 [ 9823.306838][ T10] do_syscall_64+0xc6/0x1e0 [ 9823.306838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9823.306838][ T10] [ 9823.308509][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9823.308744][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9823.308744][ T10] netdev_get_by_index+0x5e/0x80 [ 9823.308744][ T10] fib6_nh_init+0x3d8/0x1580 [ 9823.308744][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9823.308744][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9823.308744][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9823.308744][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9823.308744][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9823.308744][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9823.308744][ T10] addrconf_dad_begin+0x310/0x670 [ 9823.308744][ T10] addrconf_dad_work+0x10b/0xab0 [ 9823.308744][ T10] process_one_work+0x84d/0x18a0 [ 9823.308744][ T10] worker_thread+0x587/0xd30 [ 9823.308744][ T10] kthread+0x28a/0x350 [ 9823.308744][ T10] ret_from_fork+0x31/0x70 [ 9823.308744][ T10] ret_from_fork_asm+0x1a/0x30 [ 9823.308744][ T10] [ 9823.310634][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9823.310634][ T10] netdev_get_by_index+0x5e/0x80 [ 9823.310634][ T10] fib6_nh_init+0x3d8/0x1580 [ 9823.310634][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9823.310634][ T10] ip6_route_add+0x1c/0x140 [ 9823.310634][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9823.310634][ T10] inet6_addr_add+0x4f8/0xa40 [ 9823.310634][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9823.310634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9823.310634][ T10] netlink_rcv_skb+0x130/0x360 [ 9823.310634][ T10] netlink_unicast+0x449/0x710 [ 9823.310634][ T10] netlink_sendmsg+0x723/0xbe0 [ 9823.310634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9823.310634][ T10] ___sys_sendmsg+0xee/0x170 [ 9823.310634][ T10] __sys_sendmsg+0xcd/0x170 [ 9823.310634][ T10] do_syscall_64+0xc6/0x1e0 [ 9823.310634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9823.310634][ T10] [ 9823.312615][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9823.312615][ T10] netdev_get_by_index+0x5e/0x80 [ 9823.312615][ T10] fib6_nh_init+0x3d8/0x1580 [ 9823.312615][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9823.312615][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9823.312615][ T10] ipv6_add_addr+0x411/0x2000 [ 9823.312615][ T10] inet6_addr_add+0x30e/0xa40 [ 9823.312615][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9823.312615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9823.312615][ T10] netlink_rcv_skb+0x130/0x360 [ 9823.312615][ T10] netlink_unicast+0x449/0x710 [ 9823.312615][ T10] netlink_sendmsg+0x723/0xbe0 [ 9823.312615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9823.312615][ T10] ___sys_sendmsg+0xee/0x170 [ 9823.312615][ T10] __sys_sendmsg+0xcd/0x170 [ 9823.312615][ T10] do_syscall_64+0xc6/0x1e0 [ 9823.312615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9823.312615][ T10] [ 9823.314587][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9823.314587][ T10] netdev_get_by_index+0x5e/0x80 [ 9823.314587][ T10] fib6_nh_init+0x3d8/0x1580 [ 9823.314587][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9823.314587][ T10] ip6_route_add+0x1c/0x140 [ 9823.314587][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9823.314587][ T10] addrconf_add_dev+0xe2/0x170 [ 9823.314587][ T10] inet6_addr_add+0x12f/0xa40 [ 9823.314587][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9823.314587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9823.314587][ T10] netlink_rcv_skb+0x130/0x360 [ 9823.314587][ T10] netlink_unicast+0x449/0x710 [ 9823.314587][ T10] netlink_sendmsg+0x723/0xbe0 [ 9823.314587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9823.314587][ T10] ___sys_sendmsg+0xee/0x170 [ 9823.314587][ T10] __sys_sendmsg+0xcd/0x170 [ 9823.314587][ T10] do_syscall_64+0xc6/0x1e0 [ 9823.314587][ T10] [ 9823.316524][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9823.316524][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9823.316524][ T10] ipv6_find_idev+0x102/0x170 [ 9823.316524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9823.316524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9823.316524][ T10] netlink_rcv_skb+0x130/0x360 [ 9823.316524][ T10] netlink_unicast+0x449/0x710 [ 9823.316524][ T10] netlink_sendmsg+0x723/0xbe0 [ 9823.316524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9823.316524][ T10] ___sys_sendmsg+0xee/0x170 [ 9823.316524][ T10] __sys_sendmsg+0xcd/0x170 [ 9823.316524][ T10] do_syscall_64+0xc6/0x1e0 [ 9823.316524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9823.316524][ T10] [ 9823.318053][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9823.318053][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9823.318053][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9823.318053][ T10] ipv6_find_idev+0x102/0x170 [ 9823.318053][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9823.318053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9823.318053][ T10] netlink_rcv_skb+0x130/0x360 [ 9823.318053][ T10] netlink_unicast+0x449/0x710 [ 9823.318053][ T10] netlink_sendmsg+0x723/0xbe0 [ 9823.318053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9823.318053][ T10] ___sys_sendmsg+0xee/0x170 [ 9823.318053][ T10] __sys_sendmsg+0xcd/0x170 [ 9823.318053][ T10] do_syscall_64+0xc6/0x1e0 [ 9823.318053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9823.318053][ T10] [ 9823.319710][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9823.319947][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9823.319947][ T10] netdev_get_by_index+0x5e/0x80 [ 9823.319947][ T10] fib6_nh_init+0x3d8/0x1580 [ 9823.319947][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9823.319947][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9823.319947][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9823.319947][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9823.319947][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9823.319947][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9823.319947][ T10] addrconf_dad_begin+0x310/0x670 [ 9823.319947][ T10] addrconf_dad_work+0x10b/0xab0 [ 9823.319947][ T10] process_one_work+0x84d/0x18a0 [ 9823.319947][ T10] worker_thread+0x587/0xd30 [ 9823.319947][ T10] kthread+0x28a/0x350 [ 9823.319947][ T10] ret_from_fork+0x31/0x70 [ 9823.319947][ T10] ret_from_fork_asm+0x1a/0x30 [ 9823.319947][ T10] [ 9823.321835][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9823.321835][ T10] netdev_get_by_index+0x5e/0x80 [ 9823.321835][ T10] fib6_nh_init+0x3d8/0x1580 [ 9823.321835][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9823.321835][ T10] ip6_route_add+0x1c/0x140 [ 9823.321835][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9823.321835][ T10] inet6_addr_add+0x4f8/0xa40 [ 9823.321835][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9823.321835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9823.321835][ T10] netlink_rcv_skb+0x130/0x360 [ 9823.321835][ T10] netlink_unicast+0x449/0x710 [ 9823.321835][ T10] netlink_sendmsg+0x723/0xbe0 [ 9823.321835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9823.321835][ T10] ___sys_sendmsg+0xee/0x170 [ 9823.321835][ T10] __sys_sendmsg+0xcd/0x170 [ 9823.321835][ T10] do_syscall_64+0xc6/0x1e0 [ 9823.321835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9823.321835][ T10] [ 9823.323998][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9823.323998][ T10] netdev_get_by_index+0x5e/0x80 [ 9823.323998][ T10] fib6_nh_init+0x3d8/0x1580 [ 9823.323998][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9823.323998][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9823.323998][ T10] ipv6_add_addr+0x411/0x2000 [ 9823.323998][ T10] inet6_addr_add+0x30e/0xa40 [ 9823.323998][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9823.323998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9823.323998][ T10] netlink_rcv_skb+0x130/0x360 [ 9823.323998][ T10] netlink_unicast+0x449/0x710 [ 9823.323998][ T10] netlink_sendmsg+0x723/0xbe0 [ 9823.323998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9823.323998][ T10] ___sys_sendmsg+0xee/0x170 [ 9823.323998][ T10] __sys_sendmsg+0xcd/0x170 [ 9823.323998][ T10] do_syscall_64+0xc6/0x1e0 [ 9823.323998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9823.323998][ T10] [ 9823.326212][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9823.326212][ T10] netdev_get_by_index+0x5e/0x80 [ 9823.326212][ T10] fib6_nh_init+0x3d8/0x1580 [ 9823.326212][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9823.326212][ T10] ip6_route_add+0x1c/0x140 [ 9823.326212][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9823.326212][ T10] addrconf_add_dev+0xe2/0x170 [ 9823.326212][ T10] inet6_addr_add+0x12f/0xa40 [ 9823.326212][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9823.326212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9823.326212][ T10] netlink_rcv_skb+0x130/0x360 [ 9823.326212][ T10] netlink_unicast+0x449/0x710 [ 9823.326212][ T10] netlink_sendmsg+0x723/0xbe0 [ 9823.326212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9823.326212][ T10] ___sys_sendmsg+0xee/0x170 [ 9823.326212][ T10] __sys_sendmsg+0xcd/0x170 [ 9823.326212][ T10] do_syscall_64+0xc6/0x1e0 [ 9823.326212][ T10] [ 9823.328390][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9823.328390][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9823.328390][ T10] ipv6_find_idev+0x102/0x170 [ 9823.328390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9823.328390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9823.328390][ T10] netlink_rcv_skb+0x130/0x360 [ 9823.328390][ T10] netlink_unicast+0x449/0x710 [ 9823.328390][ T10] netlink_sendmsg+0x723/0xbe0 [ 9823.328390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9823.328390][ T10] ___sys_sendmsg+0xee/0x170 [ 9823.328390][ T10] __sys_sendmsg+0xcd/0x170 [ 9823.328390][ T10] do_syscall_64+0xc6/0x1e0 [ 9823.328390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9823.328390][ T10] [ 9823.330087][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9823.330087][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9823.330087][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9823.330087][ T10] ipv6_find_idev+0x102/0x170 [ 9823.330087][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9823.330087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9823.330087][ T10] netlink_rcv_skb+0x130/0x360 [ 9823.330087][ T10] netlink_unicast+0x449/0x710 [ 9823.330087][ T10] netlink_sendmsg+0x723/0xbe0 [ 9823.330087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9823.330087][ T10] ___sys_sendmsg+0xee/0x170 [ 9823.330087][ T10] __sys_sendmsg+0xcd/0x170 [ 9823.330087][ T10] do_syscall_64+0xc6/0x1e0 [ 9823.330087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9823.330087][ T10] [ 9823.332000][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9823.332248][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9823.332248][ T10] netdev_get_by_index+0x5e/0x80 [ 9823.332248][ T10] fib6_nh_init+0x3d8/0x1580 [ 9823.332248][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9823.332248][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9823.332248][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9823.332248][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9823.332248][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9823.332248][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9823.332248][ T10] addrconf_dad_begin+0x310/0x670 [ 9823.332248][ T10] addrconf_dad_work+0x10b/0xab0 [ 9823.332248][ T10] process_one_work+0x84d/0x18a0 [ 9823.332248][ T10] worker_thread+0x587/0xd30 [ 9823.332248][ T10] kthread+0x28a/0x350 [ 9823.332248][ T10] ret_from_fork+0x31/0x70 [ 9823.332248][ T10] ret_from_fork_asm+0x1a/0x30 [ 9823.332248][ T10] [ 9823.334372][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9823.334372][ T10] netdev_get_by_index+0x5e/0x80 [ 9823.334372][ T10] fib6_nh_init+0x3d8/0x1580 [ 9823.334372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9823.334372][ T10] ip6_route_add+0x1c/0x140 [ 9823.334372][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9823.334372][ T10] inet6_addr_add+0x4f8/0xa40 [ 9823.334372][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9823.334372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9823.334372][ T10] netlink_rcv_skb+0x130/0x360 [ 9823.334372][ T10] netlink_unicast+0x449/0x710 [ 9823.334372][ T10] netlink_sendmsg+0x723/0xbe0 [ 9823.334372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9823.334372][ T10] ___sys_sendmsg+0xee/0x170 [ 9823.334372][ T10] __sys_sendmsg+0xcd/0x170 [ 9823.334372][ T10] do_syscall_64+0xc6/0x1e0 [ 9823.334372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9823.334372][ T10] [ 9823.336582][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9823.336582][ T10] netdev_get_by_index+0x5e/0x80 [ 9823.336582][ T10] fib6_nh_init+0x3d8/0x1580 [ 9823.336582][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9823.336582][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9823.336582][ T10] ipv6_add_addr+0x411/0x2000 [ 9823.336582][ T10] inet6_addr_add+0x30e/0xa40 [ 9823.336582][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9823.336582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9823.336582][ T10] netlink_rcv_skb+0x130/0x360 [ 9823.336582][ T10] netlink_unicast+0x449/0x710 [ 9823.336582][ T10] netlink_sendmsg+0x723/0xbe0 [ 9823.336582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9823.336582][ T10] ___sys_sendmsg+0xee/0x170 [ 9823.336582][ T10] __sys_sendmsg+0xcd/0x170 [ 9823.336582][ T10] do_syscall_64+0xc6/0x1e0 [ 9823.336582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9823.336582][ T10] [ 9823.338793][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9823.338793][ T10] netdev_get_by_index+0x5e/0x80 [ 9823.338793][ T10] fib6_nh_init+0x3d8/0x1580 [ 9823.338793][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9823.338793][ T10] ip6_route_add+0x1c/0x140 [ 9823.338793][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9823.338793][ T10] addrconf_add_dev+0xe2/0x170 [ 9823.338793][ T10] inet6_addr_add+0x12f/0xa40 [ 9823.338793][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9823.338793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9823.338793][ T10] netlink_rcv_skb+0x130/0x360 [ 9823.338793][ T10] netlink_unicast+0x449/0x710 [ 9823.338793][ T10] netlink_sendmsg+0x723/0xbe0 [ 9823.338793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9823.338793][ T10] ___sys_sendmsg+0xee/0x170 [ 9823.338793][ T10] __sys_sendmsg+0xcd/0x170 [ 9823.338793][ T10] do_syscall_64+0xc6/0x1e0 [ 9823.338793][ T10] [ 9823.340970][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9823.340970][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9823.340970][ T10] ipv6_find_idev+0x102/0x170 [ 9823.340970][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9823.340970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9823.340970][ T10] netlink_rcv_skb+0x130/0x360 [ 9823.340970][ T10] netlink_unicast+0x449/0x710 [ 9823.340970][ T10] netlink_sendmsg+0x723/0xbe0 [ 9823.340970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9823.340970][ T10] ___sys_sendmsg+0xee/0x170 [ 9823.340970][ T10] __sys_sendmsg+0xcd/0x170 [ 9823.340970][ T10] do_syscall_64+0xc6/0x1e0 [ 9823.340970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9823.340970][ T10] [ 9823.342674][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9823.342674][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9823.342674][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9823.342674][ T10] ipv6_find_idev+0x102/0x170 [ 9823.342674][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9823.342674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9823.342674][ T10] netlink_rcv_skb+0x130/0x360 [ 9823.342674][ T10] netlink_unicast+0x449/0x710 [ 9823.342674][ T10] netlink_sendmsg+0x723/0xbe0 [ 9823.342674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9823.342674][ T10] ___sys_sendmsg+0xee/0x170 [ 9823.342674][ T10] __sys_sendmsg+0xcd/0x170 [ 9823.342674][ T10] do_syscall_64+0xc6/0x1e0 [ 9823.342674][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9823.342674][ T10] [ 9826.065116][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9826.065600][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9826.065600][ T1167] dst_init+0x84/0x4a0 [ 9826.065600][ T1167] dst_alloc+0x97/0x150 [ 9826.065600][ T1167] ip6_dst_alloc+0x23/0x90 [ 9826.065600][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9826.065600][ T1167] ip6_pol_route+0x56f/0x840 [ 9826.065600][ T1167] fib6_rule_lookup+0x334/0x630 [ 9826.065600][ T1167] ip6_route_output_flags+0x259/0x480 [ 9826.065600][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9826.065600][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9826.065600][ T1167] netlink_rcv_skb+0x130/0x360 [ 9826.065600][ T1167] netlink_unicast+0x449/0x710 [ 9826.065600][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9826.065600][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9826.065600][ T1167] ___sys_sendmsg+0xee/0x170 [ 9826.065600][ T1167] __sys_sendmsg+0xcd/0x170 [ 9826.065600][ T1167] do_syscall_64+0xc6/0x1e0 [ 9826.065600][ T1167] [ 9826.067819][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9826.067819][ T1167] netdev_get_by_index+0x5e/0x80 [ 9826.067819][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9826.067819][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9826.067819][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9826.067819][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9826.067819][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9826.067819][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9826.067819][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9826.067819][ T1167] addrconf_dad_begin+0x310/0x670 [ 9826.067819][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9826.067819][ T1167] process_one_work+0x84d/0x18a0 [ 9826.067819][ T1167] worker_thread+0x587/0xd30 [ 9826.067819][ T1167] kthread+0x28a/0x350 [ 9826.067819][ T1167] ret_from_fork+0x31/0x70 [ 9826.067819][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9826.067819][ T1167] [ 9826.069972][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9826.069972][ T1167] netdev_get_by_index+0x5e/0x80 [ 9826.069972][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9826.069972][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9826.069972][ T1167] ip6_route_add+0x1c/0x140 [ 9826.069972][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9826.069972][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9826.069972][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9826.069972][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9826.069972][ T1167] netlink_rcv_skb+0x130/0x360 [ 9826.069972][ T1167] netlink_unicast+0x449/0x710 [ 9826.069972][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9826.069972][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9826.069972][ T1167] ___sys_sendmsg+0xee/0x170 [ 9826.069972][ T1167] __sys_sendmsg+0xcd/0x170 [ 9826.069972][ T1167] do_syscall_64+0xc6/0x1e0 [ 9826.069972][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9826.069972][ T1167] [ 9826.072251][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9826.072251][ T1167] netdev_get_by_index+0x5e/0x80 [ 9826.072251][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9826.072251][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9826.072251][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9826.072251][ T1167] ipv6_add_addr+0x411/0x2000 [ 9826.072251][ T1167] inet6_addr_add+0x30e/0xa40 [ 9826.072251][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9826.072251][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9826.072251][ T1167] netlink_rcv_skb+0x130/0x360 [ 9826.072251][ T1167] netlink_unicast+0x449/0x710 [ 9826.072251][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9826.072251][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9826.072251][ T1167] ___sys_sendmsg+0xee/0x170 [ 9826.072251][ T1167] __sys_sendmsg+0xcd/0x170 [ 9826.072251][ T1167] do_syscall_64+0xc6/0x1e0 [ 9826.072251][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9826.072251][ T1167] [ 9826.075015][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9826.075015][ T1167] netdev_get_by_index+0x5e/0x80 [ 9826.075015][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9826.075015][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9826.075015][ T1167] ip6_route_add+0x1c/0x140 [ 9826.075015][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9826.075015][ T1167] addrconf_add_dev+0xe2/0x170 [ 9826.075015][ T1167] inet6_addr_add+0x12f/0xa40 [ 9826.075015][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9826.075015][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9826.075015][ T1167] netlink_rcv_skb+0x130/0x360 [ 9826.075015][ T1167] netlink_unicast+0x449/0x710 [ 9826.075015][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9826.075015][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9826.075015][ T1167] ___sys_sendmsg+0xee/0x170 [ 9826.075015][ T1167] __sys_sendmsg+0xcd/0x170 [ 9826.075015][ T1167] do_syscall_64+0xc6/0x1e0 [ 9826.075015][ T1167] [ 9826.077226][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9826.077226][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9826.077226][ T1167] ipv6_find_idev+0x102/0x170 [ 9826.077226][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9826.077226][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9826.077226][ T1167] netlink_rcv_skb+0x130/0x360 [ 9826.077226][ T1167] netlink_unicast+0x449/0x710 [ 9826.077226][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9826.077226][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9826.077226][ T1167] ___sys_sendmsg+0xee/0x170 [ 9826.077226][ T1167] __sys_sendmsg+0xcd/0x170 [ 9826.077226][ T1167] do_syscall_64+0xc6/0x1e0 [ 9826.077226][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9826.077226][ T1167] [ 9826.078957][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9826.078957][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9826.078957][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9826.078957][ T1167] ipv6_find_idev+0x102/0x170 [ 9826.078957][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9826.078957][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9826.078957][ T1167] netlink_rcv_skb+0x130/0x360 [ 9826.078957][ T1167] netlink_unicast+0x449/0x710 [ 9826.078957][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9826.078957][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9826.078957][ T1167] ___sys_sendmsg+0xee/0x170 [ 9826.078957][ T1167] __sys_sendmsg+0xcd/0x170 [ 9826.078957][ T1167] do_syscall_64+0xc6/0x1e0 [ 9826.078957][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9826.078957][ T1167] [ 9833.345110][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9833.345542][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9833.345542][ T10] netdev_get_by_index+0x5e/0x80 [ 9833.345542][ T10] fib6_nh_init+0x3d8/0x1580 [ 9833.345542][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9833.345542][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9833.345542][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9833.345542][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9833.345542][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9833.345542][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9833.345542][ T10] addrconf_dad_begin+0x310/0x670 [ 9833.345542][ T10] addrconf_dad_work+0x10b/0xab0 [ 9833.345542][ T10] process_one_work+0x84d/0x18a0 [ 9833.345542][ T10] worker_thread+0x587/0xd30 [ 9833.345542][ T10] kthread+0x28a/0x350 [ 9833.345542][ T10] ret_from_fork+0x31/0x70 [ 9833.345542][ T10] ret_from_fork_asm+0x1a/0x30 [ 9833.345542][ T10] [ 9833.347492][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9833.347492][ T10] netdev_get_by_index+0x5e/0x80 [ 9833.347492][ T10] fib6_nh_init+0x3d8/0x1580 [ 9833.347492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9833.347492][ T10] ip6_route_add+0x1c/0x140 [ 9833.347492][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9833.347492][ T10] inet6_addr_add+0x4f8/0xa40 [ 9833.347492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9833.347492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9833.347492][ T10] netlink_rcv_skb+0x130/0x360 [ 9833.347492][ T10] netlink_unicast+0x449/0x710 [ 9833.347492][ T10] netlink_sendmsg+0x723/0xbe0 [ 9833.347492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9833.347492][ T10] ___sys_sendmsg+0xee/0x170 [ 9833.347492][ T10] __sys_sendmsg+0xcd/0x170 [ 9833.347492][ T10] do_syscall_64+0xc6/0x1e0 [ 9833.347492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9833.347492][ T10] [ 9833.349512][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9833.349512][ T10] netdev_get_by_index+0x5e/0x80 [ 9833.349512][ T10] fib6_nh_init+0x3d8/0x1580 [ 9833.349512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9833.349512][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9833.349512][ T10] ipv6_add_addr+0x411/0x2000 [ 9833.349512][ T10] inet6_addr_add+0x30e/0xa40 [ 9833.349512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9833.349512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9833.349512][ T10] netlink_rcv_skb+0x130/0x360 [ 9833.349512][ T10] netlink_unicast+0x449/0x710 [ 9833.349512][ T10] netlink_sendmsg+0x723/0xbe0 [ 9833.349512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9833.349512][ T10] ___sys_sendmsg+0xee/0x170 [ 9833.349512][ T10] __sys_sendmsg+0xcd/0x170 [ 9833.349512][ T10] do_syscall_64+0xc6/0x1e0 [ 9833.349512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9833.349512][ T10] [ 9833.351514][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9833.351514][ T10] netdev_get_by_index+0x5e/0x80 [ 9833.351514][ T10] fib6_nh_init+0x3d8/0x1580 [ 9833.351514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9833.351514][ T10] ip6_route_add+0x1c/0x140 [ 9833.351514][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9833.351514][ T10] addrconf_add_dev+0xe2/0x170 [ 9833.351514][ T10] inet6_addr_add+0x12f/0xa40 [ 9833.351514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9833.351514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9833.351514][ T10] netlink_rcv_skb+0x130/0x360 [ 9833.351514][ T10] netlink_unicast+0x449/0x710 [ 9833.351514][ T10] netlink_sendmsg+0x723/0xbe0 [ 9833.351514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9833.351514][ T10] ___sys_sendmsg+0xee/0x170 [ 9833.351514][ T10] __sys_sendmsg+0xcd/0x170 [ 9833.351514][ T10] do_syscall_64+0xc6/0x1e0 [ 9833.351514][ T10] [ 9833.353493][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9833.353493][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9833.353493][ T10] ipv6_find_idev+0x102/0x170 [ 9833.353493][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9833.353493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9833.353493][ T10] netlink_rcv_skb+0x130/0x360 [ 9833.353493][ T10] netlink_unicast+0x449/0x710 [ 9833.353493][ T10] netlink_sendmsg+0x723/0xbe0 [ 9833.353493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9833.353493][ T10] ___sys_sendmsg+0xee/0x170 [ 9833.353493][ T10] __sys_sendmsg+0xcd/0x170 [ 9833.353493][ T10] do_syscall_64+0xc6/0x1e0 [ 9833.353493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9833.353493][ T10] [ 9833.355033][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9833.355033][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9833.355033][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9833.355033][ T10] ipv6_find_idev+0x102/0x170 [ 9833.355033][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9833.355033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9833.355033][ T10] netlink_rcv_skb+0x130/0x360 [ 9833.355033][ T10] netlink_unicast+0x449/0x710 [ 9833.355033][ T10] netlink_sendmsg+0x723/0xbe0 [ 9833.355033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9833.355033][ T10] ___sys_sendmsg+0xee/0x170 [ 9833.355033][ T10] __sys_sendmsg+0xcd/0x170 [ 9833.355033][ T10] do_syscall_64+0xc6/0x1e0 [ 9833.355033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9833.355033][ T10] [ 9833.356730][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9833.356974][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9833.356974][ T10] netdev_get_by_index+0x5e/0x80 [ 9833.356974][ T10] fib6_nh_init+0x3d8/0x1580 [ 9833.356974][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9833.356974][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9833.356974][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9833.356974][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9833.356974][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9833.356974][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9833.356974][ T10] addrconf_dad_begin+0x310/0x670 [ 9833.356974][ T10] addrconf_dad_work+0x10b/0xab0 [ 9833.356974][ T10] process_one_work+0x84d/0x18a0 [ 9833.356974][ T10] worker_thread+0x587/0xd30 [ 9833.356974][ T10] kthread+0x28a/0x350 [ 9833.356974][ T10] ret_from_fork+0x31/0x70 [ 9833.356974][ T10] ret_from_fork_asm+0x1a/0x30 [ 9833.356974][ T10] [ 9833.358886][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9833.358886][ T10] netdev_get_by_index+0x5e/0x80 [ 9833.358886][ T10] fib6_nh_init+0x3d8/0x1580 [ 9833.358886][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9833.358886][ T10] ip6_route_add+0x1c/0x140 [ 9833.358886][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9833.358886][ T10] inet6_addr_add+0x4f8/0xa40 [ 9833.358886][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9833.358886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9833.358886][ T10] netlink_rcv_skb+0x130/0x360 [ 9833.358886][ T10] netlink_unicast+0x449/0x710 [ 9833.358886][ T10] netlink_sendmsg+0x723/0xbe0 [ 9833.358886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9833.358886][ T10] ___sys_sendmsg+0xee/0x170 [ 9833.358886][ T10] __sys_sendmsg+0xcd/0x170 [ 9833.358886][ T10] do_syscall_64+0xc6/0x1e0 [ 9833.358886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9833.358886][ T10] [ 9833.360889][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9833.360889][ T10] netdev_get_by_index+0x5e/0x80 [ 9833.360889][ T10] fib6_nh_init+0x3d8/0x1580 [ 9833.360889][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9833.360889][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9833.360889][ T10] ipv6_add_addr+0x411/0x2000 [ 9833.360889][ T10] inet6_addr_add+0x30e/0xa40 [ 9833.360889][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9833.360889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9833.360889][ T10] netlink_rcv_skb+0x130/0x360 [ 9833.360889][ T10] netlink_unicast+0x449/0x710 [ 9833.360889][ T10] netlink_sendmsg+0x723/0xbe0 [ 9833.360889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9833.360889][ T10] ___sys_sendmsg+0xee/0x170 [ 9833.360889][ T10] __sys_sendmsg+0xcd/0x170 [ 9833.360889][ T10] do_syscall_64+0xc6/0x1e0 [ 9833.360889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9833.360889][ T10] [ 9833.362902][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9833.362902][ T10] netdev_get_by_index+0x5e/0x80 [ 9833.362902][ T10] fib6_nh_init+0x3d8/0x1580 [ 9833.362902][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9833.362902][ T10] ip6_route_add+0x1c/0x140 [ 9833.362902][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9833.362902][ T10] addrconf_add_dev+0xe2/0x170 [ 9833.362902][ T10] inet6_addr_add+0x12f/0xa40 [ 9833.362902][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9833.362902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9833.362902][ T10] netlink_rcv_skb+0x130/0x360 [ 9833.362902][ T10] netlink_unicast+0x449/0x710 [ 9833.362902][ T10] netlink_sendmsg+0x723/0xbe0 [ 9833.362902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9833.362902][ T10] ___sys_sendmsg+0xee/0x170 [ 9833.362902][ T10] __sys_sendmsg+0xcd/0x170 [ 9833.362902][ T10] do_syscall_64+0xc6/0x1e0 [ 9833.362902][ T10] [ 9833.364874][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9833.364874][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9833.364874][ T10] ipv6_find_idev+0x102/0x170 [ 9833.364874][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9833.364874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9833.364874][ T10] netlink_rcv_skb+0x130/0x360 [ 9833.364874][ T10] netlink_unicast+0x449/0x710 [ 9833.364874][ T10] netlink_sendmsg+0x723/0xbe0 [ 9833.364874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9833.364874][ T10] ___sys_sendmsg+0xee/0x170 [ 9833.364874][ T10] __sys_sendmsg+0xcd/0x170 [ 9833.364874][ T10] do_syscall_64+0xc6/0x1e0 [ 9833.364874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9833.364874][ T10] [ 9833.366413][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9833.366413][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9833.366413][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9833.366413][ T10] ipv6_find_idev+0x102/0x170 [ 9833.366413][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9833.366413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9833.366413][ T10] netlink_rcv_skb+0x130/0x360 [ 9833.366413][ T10] netlink_unicast+0x449/0x710 [ 9833.366413][ T10] netlink_sendmsg+0x723/0xbe0 [ 9833.366413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9833.366413][ T10] ___sys_sendmsg+0xee/0x170 [ 9833.366413][ T10] __sys_sendmsg+0xcd/0x170 [ 9833.366413][ T10] do_syscall_64+0xc6/0x1e0 [ 9833.366413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9833.366413][ T10] [ 9833.368106][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9833.368342][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9833.368342][ T10] netdev_get_by_index+0x5e/0x80 [ 9833.368342][ T10] fib6_nh_init+0x3d8/0x1580 [ 9833.368342][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9833.368342][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9833.368342][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9833.368342][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9833.368342][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9833.368342][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9833.368342][ T10] addrconf_dad_begin+0x310/0x670 [ 9833.368342][ T10] addrconf_dad_work+0x10b/0xab0 [ 9833.368342][ T10] process_one_work+0x84d/0x18a0 [ 9833.368342][ T10] worker_thread+0x587/0xd30 [ 9833.368342][ T10] kthread+0x28a/0x350 [ 9833.368342][ T10] ret_from_fork+0x31/0x70 [ 9833.368342][ T10] ret_from_fork_asm+0x1a/0x30 [ 9833.368342][ T10] [ 9833.370267][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9833.370267][ T10] netdev_get_by_index+0x5e/0x80 [ 9833.370267][ T10] fib6_nh_init+0x3d8/0x1580 [ 9833.370267][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9833.370267][ T10] ip6_route_add+0x1c/0x140 [ 9833.370267][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9833.370267][ T10] inet6_addr_add+0x4f8/0xa40 [ 9833.370267][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9833.370267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9833.370267][ T10] netlink_rcv_skb+0x130/0x360 [ 9833.370267][ T10] netlink_unicast+0x449/0x710 [ 9833.370267][ T10] netlink_sendmsg+0x723/0xbe0 [ 9833.370267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9833.370267][ T10] ___sys_sendmsg+0xee/0x170 [ 9833.370267][ T10] __sys_sendmsg+0xcd/0x170 [ 9833.370267][ T10] do_syscall_64+0xc6/0x1e0 [ 9833.370267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9833.370267][ T10] [ 9833.372449][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9833.372449][ T10] netdev_get_by_index+0x5e/0x80 [ 9833.372449][ T10] fib6_nh_init+0x3d8/0x1580 [ 9833.372449][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9833.372449][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9833.372449][ T10] ipv6_add_addr+0x411/0x2000 [ 9833.372449][ T10] inet6_addr_add+0x30e/0xa40 [ 9833.372449][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9833.372449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9833.372449][ T10] netlink_rcv_skb+0x130/0x360 [ 9833.372449][ T10] netlink_unicast+0x449/0x710 [ 9833.372449][ T10] netlink_sendmsg+0x723/0xbe0 [ 9833.372449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9833.372449][ T10] ___sys_sendmsg+0xee/0x170 [ 9833.372449][ T10] __sys_sendmsg+0xcd/0x170 [ 9833.372449][ T10] do_syscall_64+0xc6/0x1e0 [ 9833.372449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9833.372449][ T10] [ 9833.374702][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9833.374702][ T10] netdev_get_by_index+0x5e/0x80 [ 9833.374702][ T10] fib6_nh_init+0x3d8/0x1580 [ 9833.374702][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9833.374702][ T10] ip6_route_add+0x1c/0x140 [ 9833.374702][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9833.374702][ T10] addrconf_add_dev+0xe2/0x170 [ 9833.374702][ T10] inet6_addr_add+0x12f/0xa40 [ 9833.374702][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9833.374702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9833.374702][ T10] netlink_rcv_skb+0x130/0x360 [ 9833.374702][ T10] netlink_unicast+0x449/0x710 [ 9833.374702][ T10] netlink_sendmsg+0x723/0xbe0 [ 9833.374702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9833.374702][ T10] ___sys_sendmsg+0xee/0x170 [ 9833.374702][ T10] __sys_sendmsg+0xcd/0x170 [ 9833.374702][ T10] do_syscall_64+0xc6/0x1e0 [ 9833.374702][ T10] [ 9833.376842][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9833.376842][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9833.376842][ T10] ipv6_find_idev+0x102/0x170 [ 9833.376842][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9833.376842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9833.376842][ T10] netlink_rcv_skb+0x130/0x360 [ 9833.376842][ T10] netlink_unicast+0x449/0x710 [ 9833.376842][ T10] netlink_sendmsg+0x723/0xbe0 [ 9833.376842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9833.376842][ T10] ___sys_sendmsg+0xee/0x170 [ 9833.376842][ T10] __sys_sendmsg+0xcd/0x170 [ 9833.376842][ T10] do_syscall_64+0xc6/0x1e0 [ 9833.376842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9833.376842][ T10] [ 9833.378624][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9833.378624][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9833.378624][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9833.378624][ T10] ipv6_find_idev+0x102/0x170 [ 9833.378624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9833.378624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9833.378624][ T10] netlink_rcv_skb+0x130/0x360 [ 9833.378624][ T10] netlink_unicast+0x449/0x710 [ 9833.378624][ T10] netlink_sendmsg+0x723/0xbe0 [ 9833.378624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9833.378624][ T10] ___sys_sendmsg+0xee/0x170 [ 9833.378624][ T10] __sys_sendmsg+0xcd/0x170 [ 9833.378624][ T10] do_syscall_64+0xc6/0x1e0 [ 9833.378624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9833.378624][ T10] [ 9833.380544][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9833.380782][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9833.380782][ T10] netdev_get_by_index+0x5e/0x80 [ 9833.380782][ T10] fib6_nh_init+0x3d8/0x1580 [ 9833.380782][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9833.380782][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9833.380782][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9833.380782][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9833.380782][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9833.380782][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9833.380782][ T10] addrconf_dad_begin+0x310/0x670 [ 9833.380782][ T10] addrconf_dad_work+0x10b/0xab0 [ 9833.380782][ T10] process_one_work+0x84d/0x18a0 [ 9833.380782][ T10] worker_thread+0x587/0xd30 [ 9833.380782][ T10] kthread+0x28a/0x350 [ 9833.380782][ T10] ret_from_fork+0x31/0x70 [ 9833.380782][ T10] ret_from_fork_asm+0x1a/0x30 [ 9833.380782][ T10] [ 9833.382942][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9833.382942][ T10] netdev_get_by_index+0x5e/0x80 [ 9833.382942][ T10] fib6_nh_init+0x3d8/0x1580 [ 9833.382942][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9833.382942][ T10] ip6_route_add+0x1c/0x140 [ 9833.382942][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9833.382942][ T10] inet6_addr_add+0x4f8/0xa40 [ 9833.382942][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9833.382942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9833.382942][ T10] netlink_rcv_skb+0x130/0x360 [ 9833.382942][ T10] netlink_unicast+0x449/0x710 [ 9833.382942][ T10] netlink_sendmsg+0x723/0xbe0 [ 9833.382942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9833.382942][ T10] ___sys_sendmsg+0xee/0x170 [ 9833.382942][ T10] __sys_sendmsg+0xcd/0x170 [ 9833.382942][ T10] do_syscall_64+0xc6/0x1e0 [ 9833.382942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9833.382942][ T10] [ 9833.385130][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9833.385130][ T10] netdev_get_by_index+0x5e/0x80 [ 9833.385130][ T10] fib6_nh_init+0x3d8/0x1580 [ 9833.385130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9833.385130][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9833.385130][ T10] ipv6_add_addr+0x411/0x2000 [ 9833.385130][ T10] inet6_addr_add+0x30e/0xa40 [ 9833.385130][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9833.385130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9833.385130][ T10] netlink_rcv_skb+0x130/0x360 [ 9833.385130][ T10] netlink_unicast+0x449/0x710 [ 9833.385130][ T10] netlink_sendmsg+0x723/0xbe0 [ 9833.385130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9833.385130][ T10] ___sys_sendmsg+0xee/0x170 [ 9833.385130][ T10] __sys_sendmsg+0xcd/0x170 [ 9833.385130][ T10] do_syscall_64+0xc6/0x1e0 [ 9833.385130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9833.385130][ T10] [ 9833.387432][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9833.387432][ T10] netdev_get_by_index+0x5e/0x80 [ 9833.387432][ T10] fib6_nh_init+0x3d8/0x1580 [ 9833.387432][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9833.387432][ T10] ip6_route_add+0x1c/0x140 [ 9833.387432][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9833.387432][ T10] addrconf_add_dev+0xe2/0x170 [ 9833.387432][ T10] inet6_addr_add+0x12f/0xa40 [ 9833.387432][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9833.387432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9833.387432][ T10] netlink_rcv_skb+0x130/0x360 [ 9833.387432][ T10] netlink_unicast+0x449/0x710 [ 9833.387432][ T10] netlink_sendmsg+0x723/0xbe0 [ 9833.387432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9833.387432][ T10] ___sys_sendmsg+0xee/0x170 [ 9833.387432][ T10] __sys_sendmsg+0xcd/0x170 [ 9833.387432][ T10] do_syscall_64+0xc6/0x1e0 [ 9833.387432][ T10] [ 9833.389641][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9833.389641][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9833.389641][ T10] ipv6_find_idev+0x102/0x170 [ 9833.389641][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9833.389641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9833.389641][ T10] netlink_rcv_skb+0x130/0x360 [ 9833.389641][ T10] netlink_unicast+0x449/0x710 [ 9833.389641][ T10] netlink_sendmsg+0x723/0xbe0 [ 9833.389641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9833.389641][ T10] ___sys_sendmsg+0xee/0x170 [ 9833.389641][ T10] __sys_sendmsg+0xcd/0x170 [ 9833.389641][ T10] do_syscall_64+0xc6/0x1e0 [ 9833.389641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9833.389641][ T10] [ 9833.391364][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9833.391364][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9833.391364][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9833.391364][ T10] ipv6_find_idev+0x102/0x170 [ 9833.391364][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9833.391364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9833.391364][ T10] netlink_rcv_skb+0x130/0x360 [ 9833.391364][ T10] netlink_unicast+0x449/0x710 [ 9833.391364][ T10] netlink_sendmsg+0x723/0xbe0 [ 9833.391364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9833.391364][ T10] ___sys_sendmsg+0xee/0x170 [ 9833.391364][ T10] __sys_sendmsg+0xcd/0x170 [ 9833.391364][ T10] do_syscall_64+0xc6/0x1e0 [ 9833.391364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9833.391364][ T10] [ 9836.209110][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9836.209594][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9836.209594][ T1167] dst_init+0x84/0x4a0 [ 9836.209594][ T1167] dst_alloc+0x97/0x150 [ 9836.209594][ T1167] ip6_dst_alloc+0x23/0x90 [ 9836.209594][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9836.209594][ T1167] ip6_pol_route+0x56f/0x840 [ 9836.209594][ T1167] fib6_rule_lookup+0x334/0x630 [ 9836.209594][ T1167] ip6_route_output_flags+0x259/0x480 [ 9836.209594][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9836.209594][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9836.209594][ T1167] netlink_rcv_skb+0x130/0x360 [ 9836.209594][ T1167] netlink_unicast+0x449/0x710 [ 9836.209594][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9836.209594][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9836.209594][ T1167] ___sys_sendmsg+0xee/0x170 [ 9836.209594][ T1167] __sys_sendmsg+0xcd/0x170 [ 9836.209594][ T1167] do_syscall_64+0xc6/0x1e0 [ 9836.209594][ T1167] [ 9836.211802][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9836.211802][ T1167] netdev_get_by_index+0x5e/0x80 [ 9836.211802][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9836.211802][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9836.211802][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9836.211802][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9836.211802][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9836.211802][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9836.211802][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9836.211802][ T1167] addrconf_dad_begin+0x310/0x670 [ 9836.211802][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9836.211802][ T1167] process_one_work+0x84d/0x18a0 [ 9836.211802][ T1167] worker_thread+0x587/0xd30 [ 9836.211802][ T1167] kthread+0x28a/0x350 [ 9836.211802][ T1167] ret_from_fork+0x31/0x70 [ 9836.211802][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9836.211802][ T1167] [ 9836.213967][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9836.213967][ T1167] netdev_get_by_index+0x5e/0x80 [ 9836.213967][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9836.213967][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9836.213967][ T1167] ip6_route_add+0x1c/0x140 [ 9836.213967][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9836.213967][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9836.213967][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9836.213967][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9836.213967][ T1167] netlink_rcv_skb+0x130/0x360 [ 9836.213967][ T1167] netlink_unicast+0x449/0x710 [ 9836.213967][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9836.213967][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9836.213967][ T1167] ___sys_sendmsg+0xee/0x170 [ 9836.213967][ T1167] __sys_sendmsg+0xcd/0x170 [ 9836.213967][ T1167] do_syscall_64+0xc6/0x1e0 [ 9836.213967][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9836.213967][ T1167] [ 9836.216219][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9836.216219][ T1167] netdev_get_by_index+0x5e/0x80 [ 9836.216219][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9836.216219][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9836.216219][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9836.216219][ T1167] ipv6_add_addr+0x411/0x2000 [ 9836.216219][ T1167] inet6_addr_add+0x30e/0xa40 [ 9836.216219][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9836.216219][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9836.216219][ T1167] netlink_rcv_skb+0x130/0x360 [ 9836.216219][ T1167] netlink_unicast+0x449/0x710 [ 9836.216219][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9836.216219][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9836.216219][ T1167] ___sys_sendmsg+0xee/0x170 [ 9836.216219][ T1167] __sys_sendmsg+0xcd/0x170 [ 9836.216219][ T1167] do_syscall_64+0xc6/0x1e0 [ 9836.216219][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9836.216219][ T1167] [ 9836.218474][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9836.218474][ T1167] netdev_get_by_index+0x5e/0x80 [ 9836.218474][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9836.218474][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9836.218474][ T1167] ip6_route_add+0x1c/0x140 [ 9836.218474][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9836.218474][ T1167] addrconf_add_dev+0xe2/0x170 [ 9836.218474][ T1167] inet6_addr_add+0x12f/0xa40 [ 9836.218474][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9836.218474][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9836.218474][ T1167] netlink_rcv_skb+0x130/0x360 [ 9836.218474][ T1167] netlink_unicast+0x449/0x710 [ 9836.218474][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9836.218474][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9836.218474][ T1167] ___sys_sendmsg+0xee/0x170 [ 9836.218474][ T1167] __sys_sendmsg+0xcd/0x170 [ 9836.218474][ T1167] do_syscall_64+0xc6/0x1e0 [ 9836.218474][ T1167] [ 9836.220728][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9836.220728][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9836.220728][ T1167] ipv6_find_idev+0x102/0x170 [ 9836.220728][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9836.220728][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9836.220728][ T1167] netlink_rcv_skb+0x130/0x360 [ 9836.220728][ T1167] netlink_unicast+0x449/0x710 [ 9836.220728][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9836.220728][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9836.220728][ T1167] ___sys_sendmsg+0xee/0x170 [ 9836.220728][ T1167] __sys_sendmsg+0xcd/0x170 [ 9836.220728][ T1167] do_syscall_64+0xc6/0x1e0 [ 9836.220728][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9836.220728][ T1167] [ 9836.222463][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9836.222463][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9836.222463][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9836.222463][ T1167] ipv6_find_idev+0x102/0x170 [ 9836.222463][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9836.222463][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9836.222463][ T1167] netlink_rcv_skb+0x130/0x360 [ 9836.222463][ T1167] netlink_unicast+0x449/0x710 [ 9836.222463][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9836.222463][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9836.222463][ T1167] ___sys_sendmsg+0xee/0x170 [ 9836.222463][ T1167] __sys_sendmsg+0xcd/0x170 [ 9836.222463][ T1167] do_syscall_64+0xc6/0x1e0 [ 9836.222463][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9836.222463][ T1167] [ 9843.633100][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9843.633466][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9843.633466][ T10] netdev_get_by_index+0x5e/0x80 [ 9843.633466][ T10] fib6_nh_init+0x3d8/0x1580 [ 9843.633466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9843.633466][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9843.633466][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9843.633466][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9843.633466][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9843.633466][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9843.633466][ T10] addrconf_dad_begin+0x310/0x670 [ 9843.633466][ T10] addrconf_dad_work+0x10b/0xab0 [ 9843.633466][ T10] process_one_work+0x84d/0x18a0 [ 9843.633466][ T10] worker_thread+0x587/0xd30 [ 9843.633466][ T10] kthread+0x28a/0x350 [ 9843.633466][ T10] ret_from_fork+0x31/0x70 [ 9843.633466][ T10] ret_from_fork_asm+0x1a/0x30 [ 9843.633466][ T10] [ 9843.635561][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9843.635561][ T10] netdev_get_by_index+0x5e/0x80 [ 9843.635561][ T10] fib6_nh_init+0x3d8/0x1580 [ 9843.635561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9843.635561][ T10] ip6_route_add+0x1c/0x140 [ 9843.635561][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9843.635561][ T10] inet6_addr_add+0x4f8/0xa40 [ 9843.635561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9843.635561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9843.635561][ T10] netlink_rcv_skb+0x130/0x360 [ 9843.635561][ T10] netlink_unicast+0x449/0x710 [ 9843.635561][ T10] netlink_sendmsg+0x723/0xbe0 [ 9843.635561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9843.635561][ T10] ___sys_sendmsg+0xee/0x170 [ 9843.635561][ T10] __sys_sendmsg+0xcd/0x170 [ 9843.635561][ T10] do_syscall_64+0xc6/0x1e0 [ 9843.635561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9843.635561][ T10] [ 9843.637732][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9843.637732][ T10] netdev_get_by_index+0x5e/0x80 [ 9843.637732][ T10] fib6_nh_init+0x3d8/0x1580 [ 9843.637732][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9843.637732][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9843.637732][ T10] ipv6_add_addr+0x411/0x2000 [ 9843.637732][ T10] inet6_addr_add+0x30e/0xa40 [ 9843.637732][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9843.637732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9843.637732][ T10] netlink_rcv_skb+0x130/0x360 [ 9843.637732][ T10] netlink_unicast+0x449/0x710 [ 9843.637732][ T10] netlink_sendmsg+0x723/0xbe0 [ 9843.637732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9843.637732][ T10] ___sys_sendmsg+0xee/0x170 [ 9843.637732][ T10] __sys_sendmsg+0xcd/0x170 [ 9843.637732][ T10] do_syscall_64+0xc6/0x1e0 [ 9843.637732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9843.637732][ T10] [ 9843.639894][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9843.639894][ T10] netdev_get_by_index+0x5e/0x80 [ 9843.639894][ T10] fib6_nh_init+0x3d8/0x1580 [ 9843.639894][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9843.639894][ T10] ip6_route_add+0x1c/0x140 [ 9843.639894][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9843.639894][ T10] addrconf_add_dev+0xe2/0x170 [ 9843.639894][ T10] inet6_addr_add+0x12f/0xa40 [ 9843.639894][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9843.639894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9843.639894][ T10] netlink_rcv_skb+0x130/0x360 [ 9843.639894][ T10] netlink_unicast+0x449/0x710 [ 9843.639894][ T10] netlink_sendmsg+0x723/0xbe0 [ 9843.639894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9843.639894][ T10] ___sys_sendmsg+0xee/0x170 [ 9843.639894][ T10] __sys_sendmsg+0xcd/0x170 [ 9843.639894][ T10] do_syscall_64+0xc6/0x1e0 [ 9843.639894][ T10] [ 9843.642032][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9843.642032][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9843.642032][ T10] ipv6_find_idev+0x102/0x170 [ 9843.642032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9843.642032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9843.642032][ T10] netlink_rcv_skb+0x130/0x360 [ 9843.642032][ T10] netlink_unicast+0x449/0x710 [ 9843.642032][ T10] netlink_sendmsg+0x723/0xbe0 [ 9843.642032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9843.642032][ T10] ___sys_sendmsg+0xee/0x170 [ 9843.642032][ T10] __sys_sendmsg+0xcd/0x170 [ 9843.642032][ T10] do_syscall_64+0xc6/0x1e0 [ 9843.642032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9843.642032][ T10] [ 9843.643697][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9843.643697][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9843.643697][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9843.643697][ T10] ipv6_find_idev+0x102/0x170 [ 9843.643697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9843.643697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9843.643697][ T10] netlink_rcv_skb+0x130/0x360 [ 9843.643697][ T10] netlink_unicast+0x449/0x710 [ 9843.643697][ T10] netlink_sendmsg+0x723/0xbe0 [ 9843.643697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9843.643697][ T10] ___sys_sendmsg+0xee/0x170 [ 9843.643697][ T10] __sys_sendmsg+0xcd/0x170 [ 9843.643697][ T10] do_syscall_64+0xc6/0x1e0 [ 9843.643697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9843.643697][ T10] [ 9843.645515][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9843.645769][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9843.645769][ T10] netdev_get_by_index+0x5e/0x80 [ 9843.645769][ T10] fib6_nh_init+0x3d8/0x1580 [ 9843.645769][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9843.645769][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9843.645769][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9843.645769][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9843.645769][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9843.645769][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9843.645769][ T10] addrconf_dad_begin+0x310/0x670 [ 9843.645769][ T10] addrconf_dad_work+0x10b/0xab0 [ 9843.645769][ T10] process_one_work+0x84d/0x18a0 [ 9843.645769][ T10] worker_thread+0x587/0xd30 [ 9843.645769][ T10] kthread+0x28a/0x350 [ 9843.645769][ T10] ret_from_fork+0x31/0x70 [ 9843.645769][ T10] ret_from_fork_asm+0x1a/0x30 [ 9843.645769][ T10] [ 9843.647833][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9843.647833][ T10] netdev_get_by_index+0x5e/0x80 [ 9843.647833][ T10] fib6_nh_init+0x3d8/0x1580 [ 9843.647833][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9843.647833][ T10] ip6_route_add+0x1c/0x140 [ 9843.647833][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9843.647833][ T10] inet6_addr_add+0x4f8/0xa40 [ 9843.647833][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9843.647833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9843.647833][ T10] netlink_rcv_skb+0x130/0x360 [ 9843.647833][ T10] netlink_unicast+0x449/0x710 [ 9843.647833][ T10] netlink_sendmsg+0x723/0xbe0 [ 9843.647833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9843.647833][ T10] ___sys_sendmsg+0xee/0x170 [ 9843.647833][ T10] __sys_sendmsg+0xcd/0x170 [ 9843.647833][ T10] do_syscall_64+0xc6/0x1e0 [ 9843.647833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9843.647833][ T10] [ 9843.649994][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9843.649994][ T10] netdev_get_by_index+0x5e/0x80 [ 9843.649994][ T10] fib6_nh_init+0x3d8/0x1580 [ 9843.649994][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9843.649994][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9843.649994][ T10] ipv6_add_addr+0x411/0x2000 [ 9843.649994][ T10] inet6_addr_add+0x30e/0xa40 [ 9843.649994][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9843.649994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9843.649994][ T10] netlink_rcv_skb+0x130/0x360 [ 9843.649994][ T10] netlink_unicast+0x449/0x710 [ 9843.649994][ T10] netlink_sendmsg+0x723/0xbe0 [ 9843.649994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9843.649994][ T10] ___sys_sendmsg+0xee/0x170 [ 9843.649994][ T10] __sys_sendmsg+0xcd/0x170 [ 9843.649994][ T10] do_syscall_64+0xc6/0x1e0 [ 9843.649994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9843.649994][ T10] [ 9843.652154][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9843.652154][ T10] netdev_get_by_index+0x5e/0x80 [ 9843.652154][ T10] fib6_nh_init+0x3d8/0x1580 [ 9843.652154][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9843.652154][ T10] ip6_route_add+0x1c/0x140 [ 9843.652154][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9843.652154][ T10] addrconf_add_dev+0xe2/0x170 [ 9843.652154][ T10] inet6_addr_add+0x12f/0xa40 [ 9843.652154][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9843.652154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9843.652154][ T10] netlink_rcv_skb+0x130/0x360 [ 9843.652154][ T10] netlink_unicast+0x449/0x710 [ 9843.652154][ T10] netlink_sendmsg+0x723/0xbe0 [ 9843.652154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9843.652154][ T10] ___sys_sendmsg+0xee/0x170 [ 9843.652154][ T10] __sys_sendmsg+0xcd/0x170 [ 9843.652154][ T10] do_syscall_64+0xc6/0x1e0 [ 9843.652154][ T10] [ 9843.654275][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9843.654275][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9843.654275][ T10] ipv6_find_idev+0x102/0x170 [ 9843.654275][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9843.654275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9843.654275][ T10] netlink_rcv_skb+0x130/0x360 [ 9843.654275][ T10] netlink_unicast+0x449/0x710 [ 9843.654275][ T10] netlink_sendmsg+0x723/0xbe0 [ 9843.654275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9843.654275][ T10] ___sys_sendmsg+0xee/0x170 [ 9843.654275][ T10] __sys_sendmsg+0xcd/0x170 [ 9843.654275][ T10] do_syscall_64+0xc6/0x1e0 [ 9843.654275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9843.654275][ T10] [ 9843.655944][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9843.655944][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9843.655944][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9843.655944][ T10] ipv6_find_idev+0x102/0x170 [ 9843.655944][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9843.655944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9843.655944][ T10] netlink_rcv_skb+0x130/0x360 [ 9843.655944][ T10] netlink_unicast+0x449/0x710 [ 9843.655944][ T10] netlink_sendmsg+0x723/0xbe0 [ 9843.655944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9843.655944][ T10] ___sys_sendmsg+0xee/0x170 [ 9843.655944][ T10] __sys_sendmsg+0xcd/0x170 [ 9843.655944][ T10] do_syscall_64+0xc6/0x1e0 [ 9843.655944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9843.655944][ T10] [ 9843.657776][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9843.658033][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9843.658033][ T10] netdev_get_by_index+0x5e/0x80 [ 9843.658033][ T10] fib6_nh_init+0x3d8/0x1580 [ 9843.658033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9843.658033][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9843.658033][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9843.658033][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9843.658033][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9843.658033][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9843.658033][ T10] addrconf_dad_begin+0x310/0x670 [ 9843.658033][ T10] addrconf_dad_work+0x10b/0xab0 [ 9843.658033][ T10] process_one_work+0x84d/0x18a0 [ 9843.658033][ T10] worker_thread+0x587/0xd30 [ 9843.658033][ T10] kthread+0x28a/0x350 [ 9843.658033][ T10] ret_from_fork+0x31/0x70 [ 9843.658033][ T10] ret_from_fork_asm+0x1a/0x30 [ 9843.658033][ T10] [ 9843.660121][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9843.660121][ T10] netdev_get_by_index+0x5e/0x80 [ 9843.660121][ T10] fib6_nh_init+0x3d8/0x1580 [ 9843.660121][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9843.660121][ T10] ip6_route_add+0x1c/0x140 [ 9843.660121][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9843.660121][ T10] inet6_addr_add+0x4f8/0xa40 [ 9843.660121][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9843.660121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9843.660121][ T10] netlink_rcv_skb+0x130/0x360 [ 9843.660121][ T10] netlink_unicast+0x449/0x710 [ 9843.660121][ T10] netlink_sendmsg+0x723/0xbe0 [ 9843.660121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9843.660121][ T10] ___sys_sendmsg+0xee/0x170 [ 9843.660121][ T10] __sys_sendmsg+0xcd/0x170 [ 9843.660121][ T10] do_syscall_64+0xc6/0x1e0 [ 9843.660121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9843.660121][ T10] [ 9843.662458][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9843.662458][ T10] netdev_get_by_index+0x5e/0x80 [ 9843.662458][ T10] fib6_nh_init+0x3d8/0x1580 [ 9843.662458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9843.662458][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9843.662458][ T10] ipv6_add_addr+0x411/0x2000 [ 9843.662458][ T10] inet6_addr_add+0x30e/0xa40 [ 9843.662458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9843.662458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9843.662458][ T10] netlink_rcv_skb+0x130/0x360 [ 9843.662458][ T10] netlink_unicast+0x449/0x710 [ 9843.662458][ T10] netlink_sendmsg+0x723/0xbe0 [ 9843.662458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9843.662458][ T10] ___sys_sendmsg+0xee/0x170 [ 9843.662458][ T10] __sys_sendmsg+0xcd/0x170 [ 9843.662458][ T10] do_syscall_64+0xc6/0x1e0 [ 9843.662458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9843.662458][ T10] [ 9843.664560][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9843.664560][ T10] netdev_get_by_index+0x5e/0x80 [ 9843.664560][ T10] fib6_nh_init+0x3d8/0x1580 [ 9843.664560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9843.664560][ T10] ip6_route_add+0x1c/0x140 [ 9843.664560][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9843.664560][ T10] addrconf_add_dev+0xe2/0x170 [ 9843.664560][ T10] inet6_addr_add+0x12f/0xa40 [ 9843.664560][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9843.664560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9843.664560][ T10] netlink_rcv_skb+0x130/0x360 [ 9843.664560][ T10] netlink_unicast+0x449/0x710 [ 9843.664560][ T10] netlink_sendmsg+0x723/0xbe0 [ 9843.664560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9843.664560][ T10] ___sys_sendmsg+0xee/0x170 [ 9843.664560][ T10] __sys_sendmsg+0xcd/0x170 [ 9843.664560][ T10] do_syscall_64+0xc6/0x1e0 [ 9843.664560][ T10] [ 9843.666630][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9843.666630][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9843.666630][ T10] ipv6_find_idev+0x102/0x170 [ 9843.666630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9843.666630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9843.666630][ T10] netlink_rcv_skb+0x130/0x360 [ 9843.666630][ T10] netlink_unicast+0x449/0x710 [ 9843.666630][ T10] netlink_sendmsg+0x723/0xbe0 [ 9843.666630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9843.666630][ T10] ___sys_sendmsg+0xee/0x170 [ 9843.666630][ T10] __sys_sendmsg+0xcd/0x170 [ 9843.666630][ T10] do_syscall_64+0xc6/0x1e0 [ 9843.666630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9843.666630][ T10] [ 9843.668283][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9843.668283][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9843.668283][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9843.668283][ T10] ipv6_find_idev+0x102/0x170 [ 9843.668283][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9843.668283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9843.668283][ T10] netlink_rcv_skb+0x130/0x360 [ 9843.668283][ T10] netlink_unicast+0x449/0x710 [ 9843.668283][ T10] netlink_sendmsg+0x723/0xbe0 [ 9843.668283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9843.668283][ T10] ___sys_sendmsg+0xee/0x170 [ 9843.668283][ T10] __sys_sendmsg+0xcd/0x170 [ 9843.668283][ T10] do_syscall_64+0xc6/0x1e0 [ 9843.668283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9843.668283][ T10] [ 9843.670073][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9843.670308][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9843.670308][ T10] netdev_get_by_index+0x5e/0x80 [ 9843.670308][ T10] fib6_nh_init+0x3d8/0x1580 [ 9843.670308][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9843.670308][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9843.670308][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9843.670308][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9843.670308][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9843.670308][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9843.670308][ T10] addrconf_dad_begin+0x310/0x670 [ 9843.670308][ T10] addrconf_dad_work+0x10b/0xab0 [ 9843.670308][ T10] process_one_work+0x84d/0x18a0 [ 9843.670308][ T10] worker_thread+0x587/0xd30 [ 9843.670308][ T10] kthread+0x28a/0x350 [ 9843.670308][ T10] ret_from_fork+0x31/0x70 [ 9843.670308][ T10] ret_from_fork_asm+0x1a/0x30 [ 9843.670308][ T10] [ 9843.672332][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9843.672332][ T10] netdev_get_by_index+0x5e/0x80 [ 9843.672332][ T10] fib6_nh_init+0x3d8/0x1580 [ 9843.672332][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9843.672332][ T10] ip6_route_add+0x1c/0x140 [ 9843.672332][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9843.672332][ T10] inet6_addr_add+0x4f8/0xa40 [ 9843.672332][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9843.672332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9843.672332][ T10] netlink_rcv_skb+0x130/0x360 [ 9843.672332][ T10] netlink_unicast+0x449/0x710 [ 9843.672332][ T10] netlink_sendmsg+0x723/0xbe0 [ 9843.672332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9843.672332][ T10] ___sys_sendmsg+0xee/0x170 [ 9843.672332][ T10] __sys_sendmsg+0xcd/0x170 [ 9843.672332][ T10] do_syscall_64+0xc6/0x1e0 [ 9843.672332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9843.672332][ T10] [ 9843.674440][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9843.674440][ T10] netdev_get_by_index+0x5e/0x80 [ 9843.674440][ T10] fib6_nh_init+0x3d8/0x1580 [ 9843.674440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9843.674440][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9843.674440][ T10] ipv6_add_addr+0x411/0x2000 [ 9843.674440][ T10] inet6_addr_add+0x30e/0xa40 [ 9843.674440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9843.674440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9843.674440][ T10] netlink_rcv_skb+0x130/0x360 [ 9843.674440][ T10] netlink_unicast+0x449/0x710 [ 9843.674440][ T10] netlink_sendmsg+0x723/0xbe0 [ 9843.674440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9843.674440][ T10] ___sys_sendmsg+0xee/0x170 [ 9843.674440][ T10] __sys_sendmsg+0xcd/0x170 [ 9843.674440][ T10] do_syscall_64+0xc6/0x1e0 [ 9843.674440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9843.674440][ T10] [ 9843.676544][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9843.676544][ T10] netdev_get_by_index+0x5e/0x80 [ 9843.676544][ T10] fib6_nh_init+0x3d8/0x1580 [ 9843.676544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9843.676544][ T10] ip6_route_add+0x1c/0x140 [ 9843.676544][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9843.676544][ T10] addrconf_add_dev+0xe2/0x170 [ 9843.676544][ T10] inet6_addr_add+0x12f/0xa40 [ 9843.676544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9843.676544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9843.676544][ T10] netlink_rcv_skb+0x130/0x360 [ 9843.676544][ T10] netlink_unicast+0x449/0x710 [ 9843.676544][ T10] netlink_sendmsg+0x723/0xbe0 [ 9843.676544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9843.676544][ T10] ___sys_sendmsg+0xee/0x170 [ 9843.676544][ T10] __sys_sendmsg+0xcd/0x170 [ 9843.676544][ T10] do_syscall_64+0xc6/0x1e0 [ 9843.676544][ T10] [ 9843.678614][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9843.678614][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9843.678614][ T10] ipv6_find_idev+0x102/0x170 [ 9843.678614][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9843.678614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9843.678614][ T10] netlink_rcv_skb+0x130/0x360 [ 9843.678614][ T10] netlink_unicast+0x449/0x710 [ 9843.678614][ T10] netlink_sendmsg+0x723/0xbe0 [ 9843.678614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9843.678614][ T10] ___sys_sendmsg+0xee/0x170 [ 9843.678614][ T10] __sys_sendmsg+0xcd/0x170 [ 9843.678614][ T10] do_syscall_64+0xc6/0x1e0 [ 9843.678614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9843.678614][ T10] [ 9843.680199][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9843.680199][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9843.680199][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9843.680199][ T10] ipv6_find_idev+0x102/0x170 [ 9843.680199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9843.680199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9843.680199][ T10] netlink_rcv_skb+0x130/0x360 [ 9843.680199][ T10] netlink_unicast+0x449/0x710 [ 9843.680199][ T10] netlink_sendmsg+0x723/0xbe0 [ 9843.680199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9843.680199][ T10] ___sys_sendmsg+0xee/0x170 [ 9843.680199][ T10] __sys_sendmsg+0xcd/0x170 [ 9843.680199][ T10] do_syscall_64+0xc6/0x1e0 [ 9843.680199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9843.680199][ T10] [ 9846.473110][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9846.473589][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9846.473589][ T1167] dst_init+0x84/0x4a0 [ 9846.473589][ T1167] dst_alloc+0x97/0x150 [ 9846.473589][ T1167] ip6_dst_alloc+0x23/0x90 [ 9846.473589][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9846.473589][ T1167] ip6_pol_route+0x56f/0x840 [ 9846.473589][ T1167] fib6_rule_lookup+0x334/0x630 [ 9846.473589][ T1167] ip6_route_output_flags+0x259/0x480 [ 9846.473589][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9846.473589][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9846.473589][ T1167] netlink_rcv_skb+0x130/0x360 [ 9846.473589][ T1167] netlink_unicast+0x449/0x710 [ 9846.473589][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9846.473589][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9846.473589][ T1167] ___sys_sendmsg+0xee/0x170 [ 9846.473589][ T1167] __sys_sendmsg+0xcd/0x170 [ 9846.473589][ T1167] do_syscall_64+0xc6/0x1e0 [ 9846.473589][ T1167] [ 9846.475777][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9846.475777][ T1167] netdev_get_by_index+0x5e/0x80 [ 9846.475777][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9846.475777][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9846.475777][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9846.475777][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9846.475777][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9846.475777][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9846.475777][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9846.475777][ T1167] addrconf_dad_begin+0x310/0x670 [ 9846.475777][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9846.475777][ T1167] process_one_work+0x84d/0x18a0 [ 9846.475777][ T1167] worker_thread+0x587/0xd30 [ 9846.475777][ T1167] kthread+0x28a/0x350 [ 9846.475777][ T1167] ret_from_fork+0x31/0x70 [ 9846.475777][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9846.475777][ T1167] [ 9846.477933][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9846.477933][ T1167] netdev_get_by_index+0x5e/0x80 [ 9846.477933][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9846.477933][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9846.477933][ T1167] ip6_route_add+0x1c/0x140 [ 9846.477933][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9846.477933][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9846.477933][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9846.477933][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9846.477933][ T1167] netlink_rcv_skb+0x130/0x360 [ 9846.477933][ T1167] netlink_unicast+0x449/0x710 [ 9846.477933][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9846.477933][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9846.477933][ T1167] ___sys_sendmsg+0xee/0x170 [ 9846.477933][ T1167] __sys_sendmsg+0xcd/0x170 [ 9846.477933][ T1167] do_syscall_64+0xc6/0x1e0 [ 9846.477933][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9846.477933][ T1167] [ 9846.480172][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9846.480172][ T1167] netdev_get_by_index+0x5e/0x80 [ 9846.480172][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9846.480172][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9846.480172][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9846.480172][ T1167] ipv6_add_addr+0x411/0x2000 [ 9846.480172][ T1167] inet6_addr_add+0x30e/0xa40 [ 9846.480172][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9846.480172][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9846.480172][ T1167] netlink_rcv_skb+0x130/0x360 [ 9846.480172][ T1167] netlink_unicast+0x449/0x710 [ 9846.480172][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9846.480172][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9846.480172][ T1167] ___sys_sendmsg+0xee/0x170 [ 9846.480172][ T1167] __sys_sendmsg+0xcd/0x170 [ 9846.480172][ T1167] do_syscall_64+0xc6/0x1e0 [ 9846.480172][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9846.480172][ T1167] [ 9846.482424][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9846.482424][ T1167] netdev_get_by_index+0x5e/0x80 [ 9846.482424][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9846.482424][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9846.482424][ T1167] ip6_route_add+0x1c/0x140 [ 9846.482424][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9846.482424][ T1167] addrconf_add_dev+0xe2/0x170 [ 9846.482424][ T1167] inet6_addr_add+0x12f/0xa40 [ 9846.482424][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9846.482424][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9846.482424][ T1167] netlink_rcv_skb+0x130/0x360 [ 9846.482424][ T1167] netlink_unicast+0x449/0x710 [ 9846.482424][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9846.482424][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9846.482424][ T1167] ___sys_sendmsg+0xee/0x170 [ 9846.482424][ T1167] __sys_sendmsg+0xcd/0x170 [ 9846.482424][ T1167] do_syscall_64+0xc6/0x1e0 [ 9846.482424][ T1167] [ 9846.484615][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9846.484615][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9846.484615][ T1167] ipv6_find_idev+0x102/0x170 [ 9846.484615][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9846.484615][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9846.484615][ T1167] netlink_rcv_skb+0x130/0x360 [ 9846.484615][ T1167] netlink_unicast+0x449/0x710 [ 9846.484615][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9846.484615][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9846.484615][ T1167] ___sys_sendmsg+0xee/0x170 [ 9846.484615][ T1167] __sys_sendmsg+0xcd/0x170 [ 9846.484615][ T1167] do_syscall_64+0xc6/0x1e0 [ 9846.484615][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9846.484615][ T1167] [ 9846.486336][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9846.486336][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9846.486336][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9846.486336][ T1167] ipv6_find_idev+0x102/0x170 [ 9846.486336][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9846.486336][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9846.486336][ T1167] netlink_rcv_skb+0x130/0x360 [ 9846.486336][ T1167] netlink_unicast+0x449/0x710 [ 9846.486336][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9846.486336][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9846.486336][ T1167] ___sys_sendmsg+0xee/0x170 [ 9846.486336][ T1167] __sys_sendmsg+0xcd/0x170 [ 9846.486336][ T1167] do_syscall_64+0xc6/0x1e0 [ 9846.486336][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9846.486336][ T1167] [ 9853.921105][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9853.921531][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9853.921531][ T10] netdev_get_by_index+0x5e/0x80 [ 9853.921531][ T10] fib6_nh_init+0x3d8/0x1580 [ 9853.921531][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9853.921531][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9853.921531][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9853.921531][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9853.921531][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9853.921531][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9853.921531][ T10] addrconf_dad_begin+0x310/0x670 [ 9853.921531][ T10] addrconf_dad_work+0x10b/0xab0 [ 9853.921531][ T10] process_one_work+0x84d/0x18a0 [ 9853.921531][ T10] worker_thread+0x587/0xd30 [ 9853.921531][ T10] kthread+0x28a/0x350 [ 9853.921531][ T10] ret_from_fork+0x31/0x70 [ 9853.921531][ T10] ret_from_fork_asm+0x1a/0x30 [ 9853.921531][ T10] [ 9853.923483][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9853.923483][ T10] netdev_get_by_index+0x5e/0x80 [ 9853.923483][ T10] fib6_nh_init+0x3d8/0x1580 [ 9853.923483][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9853.923483][ T10] ip6_route_add+0x1c/0x140 [ 9853.923483][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9853.923483][ T10] inet6_addr_add+0x4f8/0xa40 [ 9853.923483][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9853.923483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9853.923483][ T10] netlink_rcv_skb+0x130/0x360 [ 9853.923483][ T10] netlink_unicast+0x449/0x710 [ 9853.923483][ T10] netlink_sendmsg+0x723/0xbe0 [ 9853.923483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9853.923483][ T10] ___sys_sendmsg+0xee/0x170 [ 9853.923483][ T10] __sys_sendmsg+0xcd/0x170 [ 9853.923483][ T10] do_syscall_64+0xc6/0x1e0 [ 9853.923483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9853.923483][ T10] [ 9853.925499][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9853.925499][ T10] netdev_get_by_index+0x5e/0x80 [ 9853.925499][ T10] fib6_nh_init+0x3d8/0x1580 [ 9853.925499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9853.925499][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9853.925499][ T10] ipv6_add_addr+0x411/0x2000 [ 9853.925499][ T10] inet6_addr_add+0x30e/0xa40 [ 9853.925499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9853.925499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9853.925499][ T10] netlink_rcv_skb+0x130/0x360 [ 9853.925499][ T10] netlink_unicast+0x449/0x710 [ 9853.925499][ T10] netlink_sendmsg+0x723/0xbe0 [ 9853.925499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9853.925499][ T10] ___sys_sendmsg+0xee/0x170 [ 9853.925499][ T10] __sys_sendmsg+0xcd/0x170 [ 9853.925499][ T10] do_syscall_64+0xc6/0x1e0 [ 9853.925499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9853.925499][ T10] [ 9853.927501][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9853.927501][ T10] netdev_get_by_index+0x5e/0x80 [ 9853.927501][ T10] fib6_nh_init+0x3d8/0x1580 [ 9853.927501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9853.927501][ T10] ip6_route_add+0x1c/0x140 [ 9853.927501][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9853.927501][ T10] addrconf_add_dev+0xe2/0x170 [ 9853.927501][ T10] inet6_addr_add+0x12f/0xa40 [ 9853.927501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9853.927501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9853.927501][ T10] netlink_rcv_skb+0x130/0x360 [ 9853.927501][ T10] netlink_unicast+0x449/0x710 [ 9853.927501][ T10] netlink_sendmsg+0x723/0xbe0 [ 9853.927501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9853.927501][ T10] ___sys_sendmsg+0xee/0x170 [ 9853.927501][ T10] __sys_sendmsg+0xcd/0x170 [ 9853.927501][ T10] do_syscall_64+0xc6/0x1e0 [ 9853.927501][ T10] [ 9853.929467][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9853.929467][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9853.929467][ T10] ipv6_find_idev+0x102/0x170 [ 9853.929467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9853.929467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9853.929467][ T10] netlink_rcv_skb+0x130/0x360 [ 9853.929467][ T10] netlink_unicast+0x449/0x710 [ 9853.929467][ T10] netlink_sendmsg+0x723/0xbe0 [ 9853.929467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9853.929467][ T10] ___sys_sendmsg+0xee/0x170 [ 9853.929467][ T10] __sys_sendmsg+0xcd/0x170 [ 9853.929467][ T10] do_syscall_64+0xc6/0x1e0 [ 9853.929467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9853.929467][ T10] [ 9853.931016][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9853.931016][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9853.931016][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9853.931016][ T10] ipv6_find_idev+0x102/0x170 [ 9853.931016][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9853.931016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9853.931016][ T10] netlink_rcv_skb+0x130/0x360 [ 9853.931016][ T10] netlink_unicast+0x449/0x710 [ 9853.931016][ T10] netlink_sendmsg+0x723/0xbe0 [ 9853.931016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9853.931016][ T10] ___sys_sendmsg+0xee/0x170 [ 9853.931016][ T10] __sys_sendmsg+0xcd/0x170 [ 9853.931016][ T10] do_syscall_64+0xc6/0x1e0 [ 9853.931016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9853.931016][ T10] [ 9853.932721][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9853.932969][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9853.932969][ T10] netdev_get_by_index+0x5e/0x80 [ 9853.932969][ T10] fib6_nh_init+0x3d8/0x1580 [ 9853.932969][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9853.932969][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9853.932969][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9853.932969][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9853.932969][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9853.932969][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9853.932969][ T10] addrconf_dad_begin+0x310/0x670 [ 9853.932969][ T10] addrconf_dad_work+0x10b/0xab0 [ 9853.932969][ T10] process_one_work+0x84d/0x18a0 [ 9853.932969][ T10] worker_thread+0x587/0xd30 [ 9853.932969][ T10] kthread+0x28a/0x350 [ 9853.932969][ T10] ret_from_fork+0x31/0x70 [ 9853.932969][ T10] ret_from_fork_asm+0x1a/0x30 [ 9853.932969][ T10] [ 9853.934893][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9853.934893][ T10] netdev_get_by_index+0x5e/0x80 [ 9853.934893][ T10] fib6_nh_init+0x3d8/0x1580 [ 9853.934893][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9853.934893][ T10] ip6_route_add+0x1c/0x140 [ 9853.934893][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9853.934893][ T10] inet6_addr_add+0x4f8/0xa40 [ 9853.934893][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9853.934893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9853.934893][ T10] netlink_rcv_skb+0x130/0x360 [ 9853.934893][ T10] netlink_unicast+0x449/0x710 [ 9853.934893][ T10] netlink_sendmsg+0x723/0xbe0 [ 9853.934893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9853.934893][ T10] ___sys_sendmsg+0xee/0x170 [ 9853.934893][ T10] __sys_sendmsg+0xcd/0x170 [ 9853.934893][ T10] do_syscall_64+0xc6/0x1e0 [ 9853.934893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9853.934893][ T10] [ 9853.936906][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9853.936906][ T10] netdev_get_by_index+0x5e/0x80 [ 9853.936906][ T10] fib6_nh_init+0x3d8/0x1580 [ 9853.936906][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9853.936906][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9853.936906][ T10] ipv6_add_addr+0x411/0x2000 [ 9853.936906][ T10] inet6_addr_add+0x30e/0xa40 [ 9853.936906][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9853.936906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9853.936906][ T10] netlink_rcv_skb+0x130/0x360 [ 9853.936906][ T10] netlink_unicast+0x449/0x710 [ 9853.936906][ T10] netlink_sendmsg+0x723/0xbe0 [ 9853.936906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9853.936906][ T10] ___sys_sendmsg+0xee/0x170 [ 9853.936906][ T10] __sys_sendmsg+0xcd/0x170 [ 9853.936906][ T10] do_syscall_64+0xc6/0x1e0 [ 9853.936906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9853.936906][ T10] [ 9853.938915][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9853.938915][ T10] netdev_get_by_index+0x5e/0x80 [ 9853.938915][ T10] fib6_nh_init+0x3d8/0x1580 [ 9853.938915][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9853.938915][ T10] ip6_route_add+0x1c/0x140 [ 9853.938915][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9853.938915][ T10] addrconf_add_dev+0xe2/0x170 [ 9853.938915][ T10] inet6_addr_add+0x12f/0xa40 [ 9853.938915][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9853.938915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9853.938915][ T10] netlink_rcv_skb+0x130/0x360 [ 9853.938915][ T10] netlink_unicast+0x449/0x710 [ 9853.938915][ T10] netlink_sendmsg+0x723/0xbe0 [ 9853.938915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9853.938915][ T10] ___sys_sendmsg+0xee/0x170 [ 9853.938915][ T10] __sys_sendmsg+0xcd/0x170 [ 9853.938915][ T10] do_syscall_64+0xc6/0x1e0 [ 9853.938915][ T10] [ 9853.940908][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9853.940908][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9853.940908][ T10] ipv6_find_idev+0x102/0x170 [ 9853.940908][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9853.940908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9853.940908][ T10] netlink_rcv_skb+0x130/0x360 [ 9853.940908][ T10] netlink_unicast+0x449/0x710 [ 9853.940908][ T10] netlink_sendmsg+0x723/0xbe0 [ 9853.940908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9853.940908][ T10] ___sys_sendmsg+0xee/0x170 [ 9853.940908][ T10] __sys_sendmsg+0xcd/0x170 [ 9853.940908][ T10] do_syscall_64+0xc6/0x1e0 [ 9853.940908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9853.940908][ T10] [ 9853.942480][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9853.942480][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9853.942480][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9853.942480][ T10] ipv6_find_idev+0x102/0x170 [ 9853.942480][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9853.942480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9853.942480][ T10] netlink_rcv_skb+0x130/0x360 [ 9853.942480][ T10] netlink_unicast+0x449/0x710 [ 9853.942480][ T10] netlink_sendmsg+0x723/0xbe0 [ 9853.942480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9853.942480][ T10] ___sys_sendmsg+0xee/0x170 [ 9853.942480][ T10] __sys_sendmsg+0xcd/0x170 [ 9853.942480][ T10] do_syscall_64+0xc6/0x1e0 [ 9853.942480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9853.942480][ T10] [ 9853.944178][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9853.944415][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9853.944415][ T10] netdev_get_by_index+0x5e/0x80 [ 9853.944415][ T10] fib6_nh_init+0x3d8/0x1580 [ 9853.944415][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9853.944415][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9853.944415][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9853.944415][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9853.944415][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9853.944415][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9853.944415][ T10] addrconf_dad_begin+0x310/0x670 [ 9853.944415][ T10] addrconf_dad_work+0x10b/0xab0 [ 9853.944415][ T10] process_one_work+0x84d/0x18a0 [ 9853.944415][ T10] worker_thread+0x587/0xd30 [ 9853.944415][ T10] kthread+0x28a/0x350 [ 9853.944415][ T10] ret_from_fork+0x31/0x70 [ 9853.944415][ T10] ret_from_fork_asm+0x1a/0x30 [ 9853.944415][ T10] [ 9853.946344][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9853.946344][ T10] netdev_get_by_index+0x5e/0x80 [ 9853.946344][ T10] fib6_nh_init+0x3d8/0x1580 [ 9853.946344][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9853.946344][ T10] ip6_route_add+0x1c/0x140 [ 9853.946344][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9853.946344][ T10] inet6_addr_add+0x4f8/0xa40 [ 9853.946344][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9853.946344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9853.946344][ T10] netlink_rcv_skb+0x130/0x360 [ 9853.946344][ T10] netlink_unicast+0x449/0x710 [ 9853.946344][ T10] netlink_sendmsg+0x723/0xbe0 [ 9853.946344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9853.946344][ T10] ___sys_sendmsg+0xee/0x170 [ 9853.946344][ T10] __sys_sendmsg+0xcd/0x170 [ 9853.946344][ T10] do_syscall_64+0xc6/0x1e0 [ 9853.946344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9853.946344][ T10] [ 9853.948539][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9853.948539][ T10] netdev_get_by_index+0x5e/0x80 [ 9853.948539][ T10] fib6_nh_init+0x3d8/0x1580 [ 9853.948539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9853.948539][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9853.948539][ T10] ipv6_add_addr+0x411/0x2000 [ 9853.948539][ T10] inet6_addr_add+0x30e/0xa40 [ 9853.948539][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9853.948539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9853.948539][ T10] netlink_rcv_skb+0x130/0x360 [ 9853.948539][ T10] netlink_unicast+0x449/0x710 [ 9853.948539][ T10] netlink_sendmsg+0x723/0xbe0 [ 9853.948539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9853.948539][ T10] ___sys_sendmsg+0xee/0x170 [ 9853.948539][ T10] __sys_sendmsg+0xcd/0x170 [ 9853.948539][ T10] do_syscall_64+0xc6/0x1e0 [ 9853.948539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9853.948539][ T10] [ 9853.950795][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9853.950795][ T10] netdev_get_by_index+0x5e/0x80 [ 9853.950795][ T10] fib6_nh_init+0x3d8/0x1580 [ 9853.950795][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9853.950795][ T10] ip6_route_add+0x1c/0x140 [ 9853.950795][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9853.950795][ T10] addrconf_add_dev+0xe2/0x170 [ 9853.950795][ T10] inet6_addr_add+0x12f/0xa40 [ 9853.950795][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9853.950795][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9853.950795][ T10] netlink_rcv_skb+0x130/0x360 [ 9853.950795][ T10] netlink_unicast+0x449/0x710 [ 9853.950795][ T10] netlink_sendmsg+0x723/0xbe0 [ 9853.950795][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9853.950795][ T10] ___sys_sendmsg+0xee/0x170 [ 9853.950795][ T10] __sys_sendmsg+0xcd/0x170 [ 9853.950795][ T10] do_syscall_64+0xc6/0x1e0 [ 9853.950795][ T10] [ 9853.952954][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9853.952954][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9853.952954][ T10] ipv6_find_idev+0x102/0x170 [ 9853.952954][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9853.952954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9853.952954][ T10] netlink_rcv_skb+0x130/0x360 [ 9853.952954][ T10] netlink_unicast+0x449/0x710 [ 9853.952954][ T10] netlink_sendmsg+0x723/0xbe0 [ 9853.952954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9853.952954][ T10] ___sys_sendmsg+0xee/0x170 [ 9853.952954][ T10] __sys_sendmsg+0xcd/0x170 [ 9853.952954][ T10] do_syscall_64+0xc6/0x1e0 [ 9853.952954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9853.952954][ T10] [ 9853.954683][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9853.954683][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9853.954683][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9853.954683][ T10] ipv6_find_idev+0x102/0x170 [ 9853.954683][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9853.954683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9853.954683][ T10] netlink_rcv_skb+0x130/0x360 [ 9853.954683][ T10] netlink_unicast+0x449/0x710 [ 9853.954683][ T10] netlink_sendmsg+0x723/0xbe0 [ 9853.954683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9853.954683][ T10] ___sys_sendmsg+0xee/0x170 [ 9853.954683][ T10] __sys_sendmsg+0xcd/0x170 [ 9853.954683][ T10] do_syscall_64+0xc6/0x1e0 [ 9853.954683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9853.954683][ T10] [ 9853.956671][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9853.956911][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9853.956911][ T10] netdev_get_by_index+0x5e/0x80 [ 9853.956911][ T10] fib6_nh_init+0x3d8/0x1580 [ 9853.956911][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9853.956911][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9853.956911][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9853.956911][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9853.956911][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9853.956911][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9853.956911][ T10] addrconf_dad_begin+0x310/0x670 [ 9853.956911][ T10] addrconf_dad_work+0x10b/0xab0 [ 9853.956911][ T10] process_one_work+0x84d/0x18a0 [ 9853.956911][ T10] worker_thread+0x587/0xd30 [ 9853.956911][ T10] kthread+0x28a/0x350 [ 9853.956911][ T10] ret_from_fork+0x31/0x70 [ 9853.956911][ T10] ret_from_fork_asm+0x1a/0x30 [ 9853.956911][ T10] [ 9853.959080][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9853.959080][ T10] netdev_get_by_index+0x5e/0x80 [ 9853.959080][ T10] fib6_nh_init+0x3d8/0x1580 [ 9853.959080][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9853.959080][ T10] ip6_route_add+0x1c/0x140 [ 9853.959080][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9853.959080][ T10] inet6_addr_add+0x4f8/0xa40 [ 9853.959080][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9853.959080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9853.959080][ T10] netlink_rcv_skb+0x130/0x360 [ 9853.959080][ T10] netlink_unicast+0x449/0x710 [ 9853.959080][ T10] netlink_sendmsg+0x723/0xbe0 [ 9853.959080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9853.959080][ T10] ___sys_sendmsg+0xee/0x170 [ 9853.959080][ T10] __sys_sendmsg+0xcd/0x170 [ 9853.959080][ T10] do_syscall_64+0xc6/0x1e0 [ 9853.959080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9853.959080][ T10] [ 9853.961265][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9853.961265][ T10] netdev_get_by_index+0x5e/0x80 [ 9853.961265][ T10] fib6_nh_init+0x3d8/0x1580 [ 9853.961265][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9853.961265][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9853.961265][ T10] ipv6_add_addr+0x411/0x2000 [ 9853.961265][ T10] inet6_addr_add+0x30e/0xa40 [ 9853.961265][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9853.961265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9853.961265][ T10] netlink_rcv_skb+0x130/0x360 [ 9853.961265][ T10] netlink_unicast+0x449/0x710 [ 9853.961265][ T10] netlink_sendmsg+0x723/0xbe0 [ 9853.961265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9853.961265][ T10] ___sys_sendmsg+0xee/0x170 [ 9853.961265][ T10] __sys_sendmsg+0xcd/0x170 [ 9853.961265][ T10] do_syscall_64+0xc6/0x1e0 [ 9853.961265][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9853.961265][ T10] [ 9853.963520][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9853.963520][ T10] netdev_get_by_index+0x5e/0x80 [ 9853.963520][ T10] fib6_nh_init+0x3d8/0x1580 [ 9853.963520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9853.963520][ T10] ip6_route_add+0x1c/0x140 [ 9853.963520][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9853.963520][ T10] addrconf_add_dev+0xe2/0x170 [ 9853.963520][ T10] inet6_addr_add+0x12f/0xa40 [ 9853.963520][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9853.963520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9853.963520][ T10] netlink_rcv_skb+0x130/0x360 [ 9853.963520][ T10] netlink_unicast+0x449/0x710 [ 9853.963520][ T10] netlink_sendmsg+0x723/0xbe0 [ 9853.963520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9853.963520][ T10] ___sys_sendmsg+0xee/0x170 [ 9853.963520][ T10] __sys_sendmsg+0xcd/0x170 [ 9853.963520][ T10] do_syscall_64+0xc6/0x1e0 [ 9853.963520][ T10] [ 9853.965809][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9853.965809][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9853.965809][ T10] ipv6_find_idev+0x102/0x170 [ 9853.965809][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9853.965809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9853.965809][ T10] netlink_rcv_skb+0x130/0x360 [ 9853.965809][ T10] netlink_unicast+0x449/0x710 [ 9853.965809][ T10] netlink_sendmsg+0x723/0xbe0 [ 9853.965809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9853.965809][ T10] ___sys_sendmsg+0xee/0x170 [ 9853.965809][ T10] __sys_sendmsg+0xcd/0x170 [ 9853.965809][ T10] do_syscall_64+0xc6/0x1e0 [ 9853.965809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9853.965809][ T10] [ 9853.967535][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9853.967535][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9853.967535][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9853.967535][ T10] ipv6_find_idev+0x102/0x170 [ 9853.967535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9853.967535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9853.967535][ T10] netlink_rcv_skb+0x130/0x360 [ 9853.967535][ T10] netlink_unicast+0x449/0x710 [ 9853.967535][ T10] netlink_sendmsg+0x723/0xbe0 [ 9853.967535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9853.967535][ T10] ___sys_sendmsg+0xee/0x170 [ 9853.967535][ T10] __sys_sendmsg+0xcd/0x170 [ 9853.967535][ T10] do_syscall_64+0xc6/0x1e0 [ 9853.967535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9853.967535][ T10] [ 9856.737142][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9856.737611][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9856.737611][ T1167] dst_init+0x84/0x4a0 [ 9856.737611][ T1167] dst_alloc+0x97/0x150 [ 9856.737611][ T1167] ip6_dst_alloc+0x23/0x90 [ 9856.737611][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9856.737611][ T1167] ip6_pol_route+0x56f/0x840 [ 9856.737611][ T1167] fib6_rule_lookup+0x334/0x630 [ 9856.737611][ T1167] ip6_route_output_flags+0x259/0x480 [ 9856.737611][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9856.737611][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9856.737611][ T1167] netlink_rcv_skb+0x130/0x360 [ 9856.737611][ T1167] netlink_unicast+0x449/0x710 [ 9856.737611][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9856.737611][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9856.737611][ T1167] ___sys_sendmsg+0xee/0x170 [ 9856.737611][ T1167] __sys_sendmsg+0xcd/0x170 [ 9856.737611][ T1167] do_syscall_64+0xc6/0x1e0 [ 9856.737611][ T1167] [ 9856.739808][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9856.739808][ T1167] netdev_get_by_index+0x5e/0x80 [ 9856.739808][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9856.739808][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9856.739808][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9856.739808][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9856.739808][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9856.739808][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9856.739808][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9856.739808][ T1167] addrconf_dad_begin+0x310/0x670 [ 9856.739808][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9856.739808][ T1167] process_one_work+0x84d/0x18a0 [ 9856.739808][ T1167] worker_thread+0x587/0xd30 [ 9856.739808][ T1167] kthread+0x28a/0x350 [ 9856.739808][ T1167] ret_from_fork+0x31/0x70 [ 9856.739808][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9856.739808][ T1167] [ 9856.741950][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9856.741950][ T1167] netdev_get_by_index+0x5e/0x80 [ 9856.741950][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9856.741950][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9856.741950][ T1167] ip6_route_add+0x1c/0x140 [ 9856.741950][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9856.741950][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9856.741950][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9856.741950][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9856.741950][ T1167] netlink_rcv_skb+0x130/0x360 [ 9856.741950][ T1167] netlink_unicast+0x449/0x710 [ 9856.741950][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9856.741950][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9856.741950][ T1167] ___sys_sendmsg+0xee/0x170 [ 9856.741950][ T1167] __sys_sendmsg+0xcd/0x170 [ 9856.741950][ T1167] do_syscall_64+0xc6/0x1e0 [ 9856.741950][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9856.741950][ T1167] [ 9856.744215][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9856.744215][ T1167] netdev_get_by_index+0x5e/0x80 [ 9856.744215][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9856.744215][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9856.744215][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9856.744215][ T1167] ipv6_add_addr+0x411/0x2000 [ 9856.744215][ T1167] inet6_addr_add+0x30e/0xa40 [ 9856.744215][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9856.744215][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9856.744215][ T1167] netlink_rcv_skb+0x130/0x360 [ 9856.744215][ T1167] netlink_unicast+0x449/0x710 [ 9856.744215][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9856.744215][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9856.744215][ T1167] ___sys_sendmsg+0xee/0x170 [ 9856.744215][ T1167] __sys_sendmsg+0xcd/0x170 [ 9856.744215][ T1167] do_syscall_64+0xc6/0x1e0 [ 9856.744215][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9856.744215][ T1167] [ 9856.746455][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9856.746455][ T1167] netdev_get_by_index+0x5e/0x80 [ 9856.746455][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9856.746455][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9856.746455][ T1167] ip6_route_add+0x1c/0x140 [ 9856.746455][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9856.746455][ T1167] addrconf_add_dev+0xe2/0x170 [ 9856.746455][ T1167] inet6_addr_add+0x12f/0xa40 [ 9856.746455][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9856.746455][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9856.746455][ T1167] netlink_rcv_skb+0x130/0x360 [ 9856.746455][ T1167] netlink_unicast+0x449/0x710 [ 9856.746455][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9856.746455][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9856.746455][ T1167] ___sys_sendmsg+0xee/0x170 [ 9856.746455][ T1167] __sys_sendmsg+0xcd/0x170 [ 9856.746455][ T1167] do_syscall_64+0xc6/0x1e0 [ 9856.746455][ T1167] [ 9856.748644][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9856.748644][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9856.748644][ T1167] ipv6_find_idev+0x102/0x170 [ 9856.748644][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9856.748644][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9856.748644][ T1167] netlink_rcv_skb+0x130/0x360 [ 9856.748644][ T1167] netlink_unicast+0x449/0x710 [ 9856.748644][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9856.748644][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9856.748644][ T1167] ___sys_sendmsg+0xee/0x170 [ 9856.748644][ T1167] __sys_sendmsg+0xcd/0x170 [ 9856.748644][ T1167] do_syscall_64+0xc6/0x1e0 [ 9856.748644][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9856.748644][ T1167] [ 9856.750365][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9856.750365][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9856.750365][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9856.750365][ T1167] ipv6_find_idev+0x102/0x170 [ 9856.750365][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9856.750365][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9856.750365][ T1167] netlink_rcv_skb+0x130/0x360 [ 9856.750365][ T1167] netlink_unicast+0x449/0x710 [ 9856.750365][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9856.750365][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9856.750365][ T1167] ___sys_sendmsg+0xee/0x170 [ 9856.750365][ T1167] __sys_sendmsg+0xcd/0x170 [ 9856.750365][ T1167] do_syscall_64+0xc6/0x1e0 [ 9856.750365][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9856.750365][ T1167] [ 9864.209095][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9864.209505][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9864.209505][ T10] netdev_get_by_index+0x5e/0x80 [ 9864.209505][ T10] fib6_nh_init+0x3d8/0x1580 [ 9864.209505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9864.209505][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9864.209505][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9864.209505][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9864.209505][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9864.209505][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9864.209505][ T10] addrconf_dad_begin+0x310/0x670 [ 9864.209505][ T10] addrconf_dad_work+0x10b/0xab0 [ 9864.209505][ T10] process_one_work+0x84d/0x18a0 [ 9864.209505][ T10] worker_thread+0x587/0xd30 [ 9864.209505][ T10] kthread+0x28a/0x350 [ 9864.209505][ T10] ret_from_fork+0x31/0x70 [ 9864.209505][ T10] ret_from_fork_asm+0x1a/0x30 [ 9864.209505][ T10] [ 9864.211462][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9864.211462][ T10] netdev_get_by_index+0x5e/0x80 [ 9864.211462][ T10] fib6_nh_init+0x3d8/0x1580 [ 9864.211462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9864.211462][ T10] ip6_route_add+0x1c/0x140 [ 9864.211462][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9864.211462][ T10] inet6_addr_add+0x4f8/0xa40 [ 9864.211462][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9864.211462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9864.211462][ T10] netlink_rcv_skb+0x130/0x360 [ 9864.211462][ T10] netlink_unicast+0x449/0x710 [ 9864.211462][ T10] netlink_sendmsg+0x723/0xbe0 [ 9864.211462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9864.211462][ T10] ___sys_sendmsg+0xee/0x170 [ 9864.211462][ T10] __sys_sendmsg+0xcd/0x170 [ 9864.211462][ T10] do_syscall_64+0xc6/0x1e0 [ 9864.211462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9864.211462][ T10] [ 9864.213488][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9864.213488][ T10] netdev_get_by_index+0x5e/0x80 [ 9864.213488][ T10] fib6_nh_init+0x3d8/0x1580 [ 9864.213488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9864.213488][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9864.213488][ T10] ipv6_add_addr+0x411/0x2000 [ 9864.213488][ T10] inet6_addr_add+0x30e/0xa40 [ 9864.213488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9864.213488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9864.213488][ T10] netlink_rcv_skb+0x130/0x360 [ 9864.213488][ T10] netlink_unicast+0x449/0x710 [ 9864.213488][ T10] netlink_sendmsg+0x723/0xbe0 [ 9864.213488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9864.213488][ T10] ___sys_sendmsg+0xee/0x170 [ 9864.213488][ T10] __sys_sendmsg+0xcd/0x170 [ 9864.213488][ T10] do_syscall_64+0xc6/0x1e0 [ 9864.213488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9864.213488][ T10] [ 9864.215498][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9864.215498][ T10] netdev_get_by_index+0x5e/0x80 [ 9864.215498][ T10] fib6_nh_init+0x3d8/0x1580 [ 9864.215498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9864.215498][ T10] ip6_route_add+0x1c/0x140 [ 9864.215498][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9864.215498][ T10] addrconf_add_dev+0xe2/0x170 [ 9864.215498][ T10] inet6_addr_add+0x12f/0xa40 [ 9864.215498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9864.215498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9864.215498][ T10] netlink_rcv_skb+0x130/0x360 [ 9864.215498][ T10] netlink_unicast+0x449/0x710 [ 9864.215498][ T10] netlink_sendmsg+0x723/0xbe0 [ 9864.215498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9864.215498][ T10] ___sys_sendmsg+0xee/0x170 [ 9864.215498][ T10] __sys_sendmsg+0xcd/0x170 [ 9864.215498][ T10] do_syscall_64+0xc6/0x1e0 [ 9864.215498][ T10] [ 9864.217472][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9864.217472][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9864.217472][ T10] ipv6_find_idev+0x102/0x170 [ 9864.217472][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9864.217472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9864.217472][ T10] netlink_rcv_skb+0x130/0x360 [ 9864.217472][ T10] netlink_unicast+0x449/0x710 [ 9864.217472][ T10] netlink_sendmsg+0x723/0xbe0 [ 9864.217472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9864.217472][ T10] ___sys_sendmsg+0xee/0x170 [ 9864.217472][ T10] __sys_sendmsg+0xcd/0x170 [ 9864.217472][ T10] do_syscall_64+0xc6/0x1e0 [ 9864.217472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9864.217472][ T10] [ 9864.219025][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9864.219025][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9864.219025][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9864.219025][ T10] ipv6_find_idev+0x102/0x170 [ 9864.219025][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9864.219025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9864.219025][ T10] netlink_rcv_skb+0x130/0x360 [ 9864.219025][ T10] netlink_unicast+0x449/0x710 [ 9864.219025][ T10] netlink_sendmsg+0x723/0xbe0 [ 9864.219025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9864.219025][ T10] ___sys_sendmsg+0xee/0x170 [ 9864.219025][ T10] __sys_sendmsg+0xcd/0x170 [ 9864.219025][ T10] do_syscall_64+0xc6/0x1e0 [ 9864.219025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9864.219025][ T10] [ 9864.220736][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9864.220978][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9864.220978][ T10] netdev_get_by_index+0x5e/0x80 [ 9864.220978][ T10] fib6_nh_init+0x3d8/0x1580 [ 9864.220978][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9864.220978][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9864.220978][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9864.220978][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9864.220978][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9864.220978][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9864.220978][ T10] addrconf_dad_begin+0x310/0x670 [ 9864.220978][ T10] addrconf_dad_work+0x10b/0xab0 [ 9864.220978][ T10] process_one_work+0x84d/0x18a0 [ 9864.220978][ T10] worker_thread+0x587/0xd30 [ 9864.220978][ T10] kthread+0x28a/0x350 [ 9864.220978][ T10] ret_from_fork+0x31/0x70 [ 9864.220978][ T10] ret_from_fork_asm+0x1a/0x30 [ 9864.220978][ T10] [ 9864.222898][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9864.222898][ T10] netdev_get_by_index+0x5e/0x80 [ 9864.222898][ T10] fib6_nh_init+0x3d8/0x1580 [ 9864.222898][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9864.222898][ T10] ip6_route_add+0x1c/0x140 [ 9864.222898][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9864.222898][ T10] inet6_addr_add+0x4f8/0xa40 [ 9864.222898][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9864.222898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9864.222898][ T10] netlink_rcv_skb+0x130/0x360 [ 9864.222898][ T10] netlink_unicast+0x449/0x710 [ 9864.222898][ T10] netlink_sendmsg+0x723/0xbe0 [ 9864.222898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9864.222898][ T10] ___sys_sendmsg+0xee/0x170 [ 9864.222898][ T10] __sys_sendmsg+0xcd/0x170 [ 9864.222898][ T10] do_syscall_64+0xc6/0x1e0 [ 9864.222898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9864.222898][ T10] [ 9864.224899][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9864.224899][ T10] netdev_get_by_index+0x5e/0x80 [ 9864.224899][ T10] fib6_nh_init+0x3d8/0x1580 [ 9864.224899][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9864.224899][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9864.224899][ T10] ipv6_add_addr+0x411/0x2000 [ 9864.224899][ T10] inet6_addr_add+0x30e/0xa40 [ 9864.224899][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9864.224899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9864.224899][ T10] netlink_rcv_skb+0x130/0x360 [ 9864.224899][ T10] netlink_unicast+0x449/0x710 [ 9864.224899][ T10] netlink_sendmsg+0x723/0xbe0 [ 9864.224899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9864.224899][ T10] ___sys_sendmsg+0xee/0x170 [ 9864.224899][ T10] __sys_sendmsg+0xcd/0x170 [ 9864.224899][ T10] do_syscall_64+0xc6/0x1e0 [ 9864.224899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9864.224899][ T10] [ 9864.226918][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9864.226918][ T10] netdev_get_by_index+0x5e/0x80 [ 9864.226918][ T10] fib6_nh_init+0x3d8/0x1580 [ 9864.226918][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9864.226918][ T10] ip6_route_add+0x1c/0x140 [ 9864.226918][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9864.226918][ T10] addrconf_add_dev+0xe2/0x170 [ 9864.226918][ T10] inet6_addr_add+0x12f/0xa40 [ 9864.226918][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9864.226918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9864.226918][ T10] netlink_rcv_skb+0x130/0x360 [ 9864.226918][ T10] netlink_unicast+0x449/0x710 [ 9864.226918][ T10] netlink_sendmsg+0x723/0xbe0 [ 9864.226918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9864.226918][ T10] ___sys_sendmsg+0xee/0x170 [ 9864.226918][ T10] __sys_sendmsg+0xcd/0x170 [ 9864.226918][ T10] do_syscall_64+0xc6/0x1e0 [ 9864.226918][ T10] [ 9864.228885][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9864.228885][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9864.228885][ T10] ipv6_find_idev+0x102/0x170 [ 9864.228885][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9864.228885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9864.228885][ T10] netlink_rcv_skb+0x130/0x360 [ 9864.228885][ T10] netlink_unicast+0x449/0x710 [ 9864.228885][ T10] netlink_sendmsg+0x723/0xbe0 [ 9864.228885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9864.228885][ T10] ___sys_sendmsg+0xee/0x170 [ 9864.228885][ T10] __sys_sendmsg+0xcd/0x170 [ 9864.228885][ T10] do_syscall_64+0xc6/0x1e0 [ 9864.228885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9864.228885][ T10] [ 9864.230436][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9864.230436][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9864.230436][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9864.230436][ T10] ipv6_find_idev+0x102/0x170 [ 9864.230436][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9864.230436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9864.230436][ T10] netlink_rcv_skb+0x130/0x360 [ 9864.230436][ T10] netlink_unicast+0x449/0x710 [ 9864.230436][ T10] netlink_sendmsg+0x723/0xbe0 [ 9864.230436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9864.230436][ T10] ___sys_sendmsg+0xee/0x170 [ 9864.230436][ T10] __sys_sendmsg+0xcd/0x170 [ 9864.230436][ T10] do_syscall_64+0xc6/0x1e0 [ 9864.230436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9864.230436][ T10] [ 9864.232134][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9864.232374][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9864.232374][ T10] netdev_get_by_index+0x5e/0x80 [ 9864.232374][ T10] fib6_nh_init+0x3d8/0x1580 [ 9864.232374][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9864.232374][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9864.232374][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9864.232374][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9864.232374][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9864.232374][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9864.232374][ T10] addrconf_dad_begin+0x310/0x670 [ 9864.232374][ T10] addrconf_dad_work+0x10b/0xab0 [ 9864.232374][ T10] process_one_work+0x84d/0x18a0 [ 9864.232374][ T10] worker_thread+0x587/0xd30 [ 9864.232374][ T10] kthread+0x28a/0x350 [ 9864.232374][ T10] ret_from_fork+0x31/0x70 [ 9864.232374][ T10] ret_from_fork_asm+0x1a/0x30 [ 9864.232374][ T10] [ 9864.234291][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9864.234291][ T10] netdev_get_by_index+0x5e/0x80 [ 9864.234291][ T10] fib6_nh_init+0x3d8/0x1580 [ 9864.234291][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9864.234291][ T10] ip6_route_add+0x1c/0x140 [ 9864.234291][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9864.234291][ T10] inet6_addr_add+0x4f8/0xa40 [ 9864.234291][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9864.234291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9864.234291][ T10] netlink_rcv_skb+0x130/0x360 [ 9864.234291][ T10] netlink_unicast+0x449/0x710 [ 9864.234291][ T10] netlink_sendmsg+0x723/0xbe0 [ 9864.234291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9864.234291][ T10] ___sys_sendmsg+0xee/0x170 [ 9864.234291][ T10] __sys_sendmsg+0xcd/0x170 [ 9864.234291][ T10] do_syscall_64+0xc6/0x1e0 [ 9864.234291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9864.234291][ T10] [ 9864.236473][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9864.236473][ T10] netdev_get_by_index+0x5e/0x80 [ 9864.236473][ T10] fib6_nh_init+0x3d8/0x1580 [ 9864.236473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9864.236473][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9864.236473][ T10] ipv6_add_addr+0x411/0x2000 [ 9864.236473][ T10] inet6_addr_add+0x30e/0xa40 [ 9864.236473][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9864.236473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9864.236473][ T10] netlink_rcv_skb+0x130/0x360 [ 9864.236473][ T10] netlink_unicast+0x449/0x710 [ 9864.236473][ T10] netlink_sendmsg+0x723/0xbe0 [ 9864.236473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9864.236473][ T10] ___sys_sendmsg+0xee/0x170 [ 9864.236473][ T10] __sys_sendmsg+0xcd/0x170 [ 9864.236473][ T10] do_syscall_64+0xc6/0x1e0 [ 9864.236473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9864.236473][ T10] [ 9864.238807][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9864.238807][ T10] netdev_get_by_index+0x5e/0x80 [ 9864.238807][ T10] fib6_nh_init+0x3d8/0x1580 [ 9864.238807][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9864.238807][ T10] ip6_route_add+0x1c/0x140 [ 9864.238807][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9864.238807][ T10] addrconf_add_dev+0xe2/0x170 [ 9864.238807][ T10] inet6_addr_add+0x12f/0xa40 [ 9864.238807][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9864.238807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9864.238807][ T10] netlink_rcv_skb+0x130/0x360 [ 9864.238807][ T10] netlink_unicast+0x449/0x710 [ 9864.238807][ T10] netlink_sendmsg+0x723/0xbe0 [ 9864.238807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9864.238807][ T10] ___sys_sendmsg+0xee/0x170 [ 9864.238807][ T10] __sys_sendmsg+0xcd/0x170 [ 9864.238807][ T10] do_syscall_64+0xc6/0x1e0 [ 9864.238807][ T10] [ 9864.240962][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9864.240962][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9864.240962][ T10] ipv6_find_idev+0x102/0x170 [ 9864.240962][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9864.240962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9864.240962][ T10] netlink_rcv_skb+0x130/0x360 [ 9864.240962][ T10] netlink_unicast+0x449/0x710 [ 9864.240962][ T10] netlink_sendmsg+0x723/0xbe0 [ 9864.240962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9864.240962][ T10] ___sys_sendmsg+0xee/0x170 [ 9864.240962][ T10] __sys_sendmsg+0xcd/0x170 [ 9864.240962][ T10] do_syscall_64+0xc6/0x1e0 [ 9864.240962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9864.240962][ T10] [ 9864.242696][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9864.242696][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9864.242696][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9864.242696][ T10] ipv6_find_idev+0x102/0x170 [ 9864.242696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9864.242696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9864.242696][ T10] netlink_rcv_skb+0x130/0x360 [ 9864.242696][ T10] netlink_unicast+0x449/0x710 [ 9864.242696][ T10] netlink_sendmsg+0x723/0xbe0 [ 9864.242696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9864.242696][ T10] ___sys_sendmsg+0xee/0x170 [ 9864.242696][ T10] __sys_sendmsg+0xcd/0x170 [ 9864.242696][ T10] do_syscall_64+0xc6/0x1e0 [ 9864.242696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9864.242696][ T10] [ 9864.244621][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9864.244861][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9864.244861][ T10] netdev_get_by_index+0x5e/0x80 [ 9864.244861][ T10] fib6_nh_init+0x3d8/0x1580 [ 9864.244861][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9864.244861][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9864.244861][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9864.244861][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9864.244861][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9864.244861][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9864.244861][ T10] addrconf_dad_begin+0x310/0x670 [ 9864.244861][ T10] addrconf_dad_work+0x10b/0xab0 [ 9864.244861][ T10] process_one_work+0x84d/0x18a0 [ 9864.244861][ T10] worker_thread+0x587/0xd30 [ 9864.244861][ T10] kthread+0x28a/0x350 [ 9864.244861][ T10] ret_from_fork+0x31/0x70 [ 9864.244861][ T10] ret_from_fork_asm+0x1a/0x30 [ 9864.244861][ T10] [ 9864.247613][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9864.247613][ T10] netdev_get_by_index+0x5e/0x80 [ 9864.247613][ T10] fib6_nh_init+0x3d8/0x1580 [ 9864.247613][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9864.247613][ T10] ip6_route_add+0x1c/0x140 [ 9864.247613][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9864.247613][ T10] inet6_addr_add+0x4f8/0xa40 [ 9864.247613][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9864.247613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9864.247613][ T10] netlink_rcv_skb+0x130/0x360 [ 9864.247613][ T10] netlink_unicast+0x449/0x710 [ 9864.247613][ T10] netlink_sendmsg+0x723/0xbe0 [ 9864.247613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9864.247613][ T10] ___sys_sendmsg+0xee/0x170 [ 9864.247613][ T10] __sys_sendmsg+0xcd/0x170 [ 9864.247613][ T10] do_syscall_64+0xc6/0x1e0 [ 9864.247613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9864.247613][ T10] [ 9864.249800][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9864.249800][ T10] netdev_get_by_index+0x5e/0x80 [ 9864.249800][ T10] fib6_nh_init+0x3d8/0x1580 [ 9864.249800][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9864.249800][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9864.249800][ T10] ipv6_add_addr+0x411/0x2000 [ 9864.249800][ T10] inet6_addr_add+0x30e/0xa40 [ 9864.249800][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9864.249800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9864.249800][ T10] netlink_rcv_skb+0x130/0x360 [ 9864.249800][ T10] netlink_unicast+0x449/0x710 [ 9864.249800][ T10] netlink_sendmsg+0x723/0xbe0 [ 9864.249800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9864.249800][ T10] ___sys_sendmsg+0xee/0x170 [ 9864.249800][ T10] __sys_sendmsg+0xcd/0x170 [ 9864.249800][ T10] do_syscall_64+0xc6/0x1e0 [ 9864.249800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9864.249800][ T10] [ 9864.252055][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9864.252055][ T10] netdev_get_by_index+0x5e/0x80 [ 9864.252055][ T10] fib6_nh_init+0x3d8/0x1580 [ 9864.252055][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9864.252055][ T10] ip6_route_add+0x1c/0x140 [ 9864.252055][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9864.252055][ T10] addrconf_add_dev+0xe2/0x170 [ 9864.252055][ T10] inet6_addr_add+0x12f/0xa40 [ 9864.252055][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9864.252055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9864.252055][ T10] netlink_rcv_skb+0x130/0x360 [ 9864.252055][ T10] netlink_unicast+0x449/0x710 [ 9864.252055][ T10] netlink_sendmsg+0x723/0xbe0 [ 9864.252055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9864.252055][ T10] ___sys_sendmsg+0xee/0x170 [ 9864.252055][ T10] __sys_sendmsg+0xcd/0x170 [ 9864.252055][ T10] do_syscall_64+0xc6/0x1e0 [ 9864.252055][ T10] [ 9864.254267][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9864.254267][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9864.254267][ T10] ipv6_find_idev+0x102/0x170 [ 9864.254267][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9864.254267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9864.254267][ T10] netlink_rcv_skb+0x130/0x360 [ 9864.254267][ T10] netlink_unicast+0x449/0x710 [ 9864.254267][ T10] netlink_sendmsg+0x723/0xbe0 [ 9864.254267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9864.254267][ T10] ___sys_sendmsg+0xee/0x170 [ 9864.254267][ T10] __sys_sendmsg+0xcd/0x170 [ 9864.254267][ T10] do_syscall_64+0xc6/0x1e0 [ 9864.254267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9864.254267][ T10] [ 9864.255999][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9864.255999][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9864.255999][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9864.255999][ T10] ipv6_find_idev+0x102/0x170 [ 9864.255999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9864.255999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9864.255999][ T10] netlink_rcv_skb+0x130/0x360 [ 9864.255999][ T10] netlink_unicast+0x449/0x710 [ 9864.255999][ T10] netlink_sendmsg+0x723/0xbe0 [ 9864.255999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9864.255999][ T10] ___sys_sendmsg+0xee/0x170 [ 9864.255999][ T10] __sys_sendmsg+0xcd/0x170 [ 9864.255999][ T10] do_syscall_64+0xc6/0x1e0 [ 9864.255999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9864.255999][ T10] [ 9867.001147][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9867.001627][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9867.001627][ T1167] dst_init+0x84/0x4a0 [ 9867.001627][ T1167] dst_alloc+0x97/0x150 [ 9867.001627][ T1167] ip6_dst_alloc+0x23/0x90 [ 9867.001627][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9867.001627][ T1167] ip6_pol_route+0x56f/0x840 [ 9867.001627][ T1167] fib6_rule_lookup+0x334/0x630 [ 9867.001627][ T1167] ip6_route_output_flags+0x259/0x480 [ 9867.001627][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9867.001627][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9867.001627][ T1167] netlink_rcv_skb+0x130/0x360 [ 9867.001627][ T1167] netlink_unicast+0x449/0x710 [ 9867.001627][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9867.001627][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9867.001627][ T1167] ___sys_sendmsg+0xee/0x170 [ 9867.001627][ T1167] __sys_sendmsg+0xcd/0x170 [ 9867.001627][ T1167] do_syscall_64+0xc6/0x1e0 [ 9867.001627][ T1167] [ 9867.003834][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9867.003834][ T1167] netdev_get_by_index+0x5e/0x80 [ 9867.003834][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9867.003834][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9867.003834][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9867.003834][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9867.003834][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9867.003834][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9867.003834][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9867.003834][ T1167] addrconf_dad_begin+0x310/0x670 [ 9867.003834][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9867.003834][ T1167] process_one_work+0x84d/0x18a0 [ 9867.003834][ T1167] worker_thread+0x587/0xd30 [ 9867.003834][ T1167] kthread+0x28a/0x350 [ 9867.003834][ T1167] ret_from_fork+0x31/0x70 [ 9867.003834][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9867.003834][ T1167] [ 9867.005988][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9867.005988][ T1167] netdev_get_by_index+0x5e/0x80 [ 9867.005988][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9867.005988][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9867.005988][ T1167] ip6_route_add+0x1c/0x140 [ 9867.005988][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9867.005988][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9867.005988][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9867.005988][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9867.005988][ T1167] netlink_rcv_skb+0x130/0x360 [ 9867.005988][ T1167] netlink_unicast+0x449/0x710 [ 9867.005988][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9867.005988][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9867.005988][ T1167] ___sys_sendmsg+0xee/0x170 [ 9867.005988][ T1167] __sys_sendmsg+0xcd/0x170 [ 9867.005988][ T1167] do_syscall_64+0xc6/0x1e0 [ 9867.005988][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9867.005988][ T1167] [ 9867.008226][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9867.008226][ T1167] netdev_get_by_index+0x5e/0x80 [ 9867.008226][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9867.008226][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9867.008226][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9867.008226][ T1167] ipv6_add_addr+0x411/0x2000 [ 9867.008226][ T1167] inet6_addr_add+0x30e/0xa40 [ 9867.008226][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9867.008226][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9867.008226][ T1167] netlink_rcv_skb+0x130/0x360 [ 9867.008226][ T1167] netlink_unicast+0x449/0x710 [ 9867.008226][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9867.008226][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9867.008226][ T1167] ___sys_sendmsg+0xee/0x170 [ 9867.008226][ T1167] __sys_sendmsg+0xcd/0x170 [ 9867.008226][ T1167] do_syscall_64+0xc6/0x1e0 [ 9867.008226][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9867.008226][ T1167] [ 9867.010456][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9867.010456][ T1167] netdev_get_by_index+0x5e/0x80 [ 9867.010456][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9867.010456][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9867.010456][ T1167] ip6_route_add+0x1c/0x140 [ 9867.010456][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9867.010456][ T1167] addrconf_add_dev+0xe2/0x170 [ 9867.010456][ T1167] inet6_addr_add+0x12f/0xa40 [ 9867.010456][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9867.010456][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9867.010456][ T1167] netlink_rcv_skb+0x130/0x360 [ 9867.010456][ T1167] netlink_unicast+0x449/0x710 [ 9867.010456][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9867.010456][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9867.010456][ T1167] ___sys_sendmsg+0xee/0x170 [ 9867.010456][ T1167] __sys_sendmsg+0xcd/0x170 [ 9867.010456][ T1167] do_syscall_64+0xc6/0x1e0 [ 9867.010456][ T1167] [ 9867.012664][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9867.012664][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9867.012664][ T1167] ipv6_find_idev+0x102/0x170 [ 9867.012664][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9867.012664][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9867.012664][ T1167] netlink_rcv_skb+0x130/0x360 [ 9867.012664][ T1167] netlink_unicast+0x449/0x710 [ 9867.012664][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9867.012664][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9867.012664][ T1167] ___sys_sendmsg+0xee/0x170 [ 9867.012664][ T1167] __sys_sendmsg+0xcd/0x170 [ 9867.012664][ T1167] do_syscall_64+0xc6/0x1e0 [ 9867.012664][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9867.012664][ T1167] [ 9867.014388][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9867.014388][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9867.014388][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9867.014388][ T1167] ipv6_find_idev+0x102/0x170 [ 9867.014388][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9867.014388][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9867.014388][ T1167] netlink_rcv_skb+0x130/0x360 [ 9867.014388][ T1167] netlink_unicast+0x449/0x710 [ 9867.014388][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9867.014388][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9867.014388][ T1167] ___sys_sendmsg+0xee/0x170 [ 9867.014388][ T1167] __sys_sendmsg+0xcd/0x170 [ 9867.014388][ T1167] do_syscall_64+0xc6/0x1e0 [ 9867.014388][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9867.014388][ T1167] [ 9874.497057][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9874.497469][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9874.497469][ T10] netdev_get_by_index+0x5e/0x80 [ 9874.497469][ T10] fib6_nh_init+0x3d8/0x1580 [ 9874.497469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9874.497469][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9874.497469][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9874.497469][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9874.497469][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9874.497469][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9874.497469][ T10] addrconf_dad_begin+0x310/0x670 [ 9874.497469][ T10] addrconf_dad_work+0x10b/0xab0 [ 9874.497469][ T10] process_one_work+0x84d/0x18a0 [ 9874.497469][ T10] worker_thread+0x587/0xd30 [ 9874.497469][ T10] kthread+0x28a/0x350 [ 9874.497469][ T10] ret_from_fork+0x31/0x70 [ 9874.497469][ T10] ret_from_fork_asm+0x1a/0x30 [ 9874.497469][ T10] [ 9874.499390][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9874.499390][ T10] netdev_get_by_index+0x5e/0x80 [ 9874.499390][ T10] fib6_nh_init+0x3d8/0x1580 [ 9874.499390][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9874.499390][ T10] ip6_route_add+0x1c/0x140 [ 9874.499390][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9874.499390][ T10] inet6_addr_add+0x4f8/0xa40 [ 9874.499390][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9874.499390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9874.499390][ T10] netlink_rcv_skb+0x130/0x360 [ 9874.499390][ T10] netlink_unicast+0x449/0x710 [ 9874.499390][ T10] netlink_sendmsg+0x723/0xbe0 [ 9874.499390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9874.499390][ T10] ___sys_sendmsg+0xee/0x170 [ 9874.499390][ T10] __sys_sendmsg+0xcd/0x170 [ 9874.499390][ T10] do_syscall_64+0xc6/0x1e0 [ 9874.499390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9874.499390][ T10] [ 9874.501381][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9874.501381][ T10] netdev_get_by_index+0x5e/0x80 [ 9874.501381][ T10] fib6_nh_init+0x3d8/0x1580 [ 9874.501381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9874.501381][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9874.501381][ T10] ipv6_add_addr+0x411/0x2000 [ 9874.501381][ T10] inet6_addr_add+0x30e/0xa40 [ 9874.501381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9874.501381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9874.501381][ T10] netlink_rcv_skb+0x130/0x360 [ 9874.501381][ T10] netlink_unicast+0x449/0x710 [ 9874.501381][ T10] netlink_sendmsg+0x723/0xbe0 [ 9874.501381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9874.501381][ T10] ___sys_sendmsg+0xee/0x170 [ 9874.501381][ T10] __sys_sendmsg+0xcd/0x170 [ 9874.501381][ T10] do_syscall_64+0xc6/0x1e0 [ 9874.501381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9874.501381][ T10] [ 9874.503389][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9874.503389][ T10] netdev_get_by_index+0x5e/0x80 [ 9874.503389][ T10] fib6_nh_init+0x3d8/0x1580 [ 9874.503389][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9874.503389][ T10] ip6_route_add+0x1c/0x140 [ 9874.503389][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9874.503389][ T10] addrconf_add_dev+0xe2/0x170 [ 9874.503389][ T10] inet6_addr_add+0x12f/0xa40 [ 9874.503389][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9874.503389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9874.503389][ T10] netlink_rcv_skb+0x130/0x360 [ 9874.503389][ T10] netlink_unicast+0x449/0x710 [ 9874.503389][ T10] netlink_sendmsg+0x723/0xbe0 [ 9874.503389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9874.503389][ T10] ___sys_sendmsg+0xee/0x170 [ 9874.503389][ T10] __sys_sendmsg+0xcd/0x170 [ 9874.503389][ T10] do_syscall_64+0xc6/0x1e0 [ 9874.503389][ T10] [ 9874.505337][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9874.505337][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9874.505337][ T10] ipv6_find_idev+0x102/0x170 [ 9874.505337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9874.505337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9874.505337][ T10] netlink_rcv_skb+0x130/0x360 [ 9874.505337][ T10] netlink_unicast+0x449/0x710 [ 9874.505337][ T10] netlink_sendmsg+0x723/0xbe0 [ 9874.505337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9874.505337][ T10] ___sys_sendmsg+0xee/0x170 [ 9874.505337][ T10] __sys_sendmsg+0xcd/0x170 [ 9874.505337][ T10] do_syscall_64+0xc6/0x1e0 [ 9874.505337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9874.505337][ T10] [ 9874.506857][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9874.506857][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9874.506857][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9874.506857][ T10] ipv6_find_idev+0x102/0x170 [ 9874.506857][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9874.506857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9874.506857][ T10] netlink_rcv_skb+0x130/0x360 [ 9874.506857][ T10] netlink_unicast+0x449/0x710 [ 9874.506857][ T10] netlink_sendmsg+0x723/0xbe0 [ 9874.506857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9874.506857][ T10] ___sys_sendmsg+0xee/0x170 [ 9874.506857][ T10] __sys_sendmsg+0xcd/0x170 [ 9874.506857][ T10] do_syscall_64+0xc6/0x1e0 [ 9874.506857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9874.506857][ T10] [ 9874.508524][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9874.508761][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9874.508761][ T10] netdev_get_by_index+0x5e/0x80 [ 9874.508761][ T10] fib6_nh_init+0x3d8/0x1580 [ 9874.508761][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9874.508761][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9874.508761][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9874.508761][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9874.508761][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9874.508761][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9874.508761][ T10] addrconf_dad_begin+0x310/0x670 [ 9874.508761][ T10] addrconf_dad_work+0x10b/0xab0 [ 9874.508761][ T10] process_one_work+0x84d/0x18a0 [ 9874.508761][ T10] worker_thread+0x587/0xd30 [ 9874.508761][ T10] kthread+0x28a/0x350 [ 9874.508761][ T10] ret_from_fork+0x31/0x70 [ 9874.508761][ T10] ret_from_fork_asm+0x1a/0x30 [ 9874.508761][ T10] [ 9874.511185][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9874.511185][ T10] netdev_get_by_index+0x5e/0x80 [ 9874.511185][ T10] fib6_nh_init+0x3d8/0x1580 [ 9874.511185][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9874.511185][ T10] ip6_route_add+0x1c/0x140 [ 9874.511185][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9874.511185][ T10] inet6_addr_add+0x4f8/0xa40 [ 9874.511185][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9874.511185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9874.511185][ T10] netlink_rcv_skb+0x130/0x360 [ 9874.511185][ T10] netlink_unicast+0x449/0x710 [ 9874.511185][ T10] netlink_sendmsg+0x723/0xbe0 [ 9874.511185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9874.511185][ T10] ___sys_sendmsg+0xee/0x170 [ 9874.511185][ T10] __sys_sendmsg+0xcd/0x170 [ 9874.511185][ T10] do_syscall_64+0xc6/0x1e0 [ 9874.511185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9874.511185][ T10] [ 9874.513169][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9874.513169][ T10] netdev_get_by_index+0x5e/0x80 [ 9874.513169][ T10] fib6_nh_init+0x3d8/0x1580 [ 9874.513169][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9874.513169][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9874.513169][ T10] ipv6_add_addr+0x411/0x2000 [ 9874.513169][ T10] inet6_addr_add+0x30e/0xa40 [ 9874.513169][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9874.513169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9874.513169][ T10] netlink_rcv_skb+0x130/0x360 [ 9874.513169][ T10] netlink_unicast+0x449/0x710 [ 9874.513169][ T10] netlink_sendmsg+0x723/0xbe0 [ 9874.513169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9874.513169][ T10] ___sys_sendmsg+0xee/0x170 [ 9874.513169][ T10] __sys_sendmsg+0xcd/0x170 [ 9874.513169][ T10] do_syscall_64+0xc6/0x1e0 [ 9874.513169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9874.513169][ T10] [ 9874.515152][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9874.515152][ T10] netdev_get_by_index+0x5e/0x80 [ 9874.515152][ T10] fib6_nh_init+0x3d8/0x1580 [ 9874.515152][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9874.515152][ T10] ip6_route_add+0x1c/0x140 [ 9874.515152][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9874.515152][ T10] addrconf_add_dev+0xe2/0x170 [ 9874.515152][ T10] inet6_addr_add+0x12f/0xa40 [ 9874.515152][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9874.515152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9874.515152][ T10] netlink_rcv_skb+0x130/0x360 [ 9874.515152][ T10] netlink_unicast+0x449/0x710 [ 9874.515152][ T10] netlink_sendmsg+0x723/0xbe0 [ 9874.515152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9874.515152][ T10] ___sys_sendmsg+0xee/0x170 [ 9874.515152][ T10] __sys_sendmsg+0xcd/0x170 [ 9874.515152][ T10] do_syscall_64+0xc6/0x1e0 [ 9874.515152][ T10] [ 9874.517103][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9874.517103][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9874.517103][ T10] ipv6_find_idev+0x102/0x170 [ 9874.517103][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9874.517103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9874.517103][ T10] netlink_rcv_skb+0x130/0x360 [ 9874.517103][ T10] netlink_unicast+0x449/0x710 [ 9874.517103][ T10] netlink_sendmsg+0x723/0xbe0 [ 9874.517103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9874.517103][ T10] ___sys_sendmsg+0xee/0x170 [ 9874.517103][ T10] __sys_sendmsg+0xcd/0x170 [ 9874.517103][ T10] do_syscall_64+0xc6/0x1e0 [ 9874.517103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9874.517103][ T10] [ 9874.518624][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9874.518624][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9874.518624][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9874.518624][ T10] ipv6_find_idev+0x102/0x170 [ 9874.518624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9874.518624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9874.518624][ T10] netlink_rcv_skb+0x130/0x360 [ 9874.518624][ T10] netlink_unicast+0x449/0x710 [ 9874.518624][ T10] netlink_sendmsg+0x723/0xbe0 [ 9874.518624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9874.518624][ T10] ___sys_sendmsg+0xee/0x170 [ 9874.518624][ T10] __sys_sendmsg+0xcd/0x170 [ 9874.518624][ T10] do_syscall_64+0xc6/0x1e0 [ 9874.518624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9874.518624][ T10] [ 9874.520287][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9874.520524][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9874.520524][ T10] netdev_get_by_index+0x5e/0x80 [ 9874.520524][ T10] fib6_nh_init+0x3d8/0x1580 [ 9874.520524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9874.520524][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9874.520524][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9874.520524][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9874.520524][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9874.520524][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9874.520524][ T10] addrconf_dad_begin+0x310/0x670 [ 9874.520524][ T10] addrconf_dad_work+0x10b/0xab0 [ 9874.520524][ T10] process_one_work+0x84d/0x18a0 [ 9874.520524][ T10] worker_thread+0x587/0xd30 [ 9874.520524][ T10] kthread+0x28a/0x350 [ 9874.520524][ T10] ret_from_fork+0x31/0x70 [ 9874.520524][ T10] ret_from_fork_asm+0x1a/0x30 [ 9874.520524][ T10] [ 9874.522419][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9874.522419][ T10] netdev_get_by_index+0x5e/0x80 [ 9874.522419][ T10] fib6_nh_init+0x3d8/0x1580 [ 9874.522419][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9874.522419][ T10] ip6_route_add+0x1c/0x140 [ 9874.522419][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9874.522419][ T10] inet6_addr_add+0x4f8/0xa40 [ 9874.522419][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9874.522419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9874.522419][ T10] netlink_rcv_skb+0x130/0x360 [ 9874.522419][ T10] netlink_unicast+0x449/0x710 [ 9874.522419][ T10] netlink_sendmsg+0x723/0xbe0 [ 9874.522419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9874.522419][ T10] ___sys_sendmsg+0xee/0x170 [ 9874.522419][ T10] __sys_sendmsg+0xcd/0x170 [ 9874.522419][ T10] do_syscall_64+0xc6/0x1e0 [ 9874.522419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9874.522419][ T10] [ 9874.524526][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9874.524526][ T10] netdev_get_by_index+0x5e/0x80 [ 9874.524526][ T10] fib6_nh_init+0x3d8/0x1580 [ 9874.524526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9874.524526][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9874.524526][ T10] ipv6_add_addr+0x411/0x2000 [ 9874.524526][ T10] inet6_addr_add+0x30e/0xa40 [ 9874.524526][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9874.524526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9874.524526][ T10] netlink_rcv_skb+0x130/0x360 [ 9874.524526][ T10] netlink_unicast+0x449/0x710 [ 9874.524526][ T10] netlink_sendmsg+0x723/0xbe0 [ 9874.524526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9874.524526][ T10] ___sys_sendmsg+0xee/0x170 [ 9874.524526][ T10] __sys_sendmsg+0xcd/0x170 [ 9874.524526][ T10] do_syscall_64+0xc6/0x1e0 [ 9874.524526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9874.524526][ T10] [ 9874.526640][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9874.526640][ T10] netdev_get_by_index+0x5e/0x80 [ 9874.526640][ T10] fib6_nh_init+0x3d8/0x1580 [ 9874.526640][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9874.526640][ T10] ip6_route_add+0x1c/0x140 [ 9874.526640][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9874.526640][ T10] addrconf_add_dev+0xe2/0x170 [ 9874.526640][ T10] inet6_addr_add+0x12f/0xa40 [ 9874.526640][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9874.526640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9874.526640][ T10] netlink_rcv_skb+0x130/0x360 [ 9874.526640][ T10] netlink_unicast+0x449/0x710 [ 9874.526640][ T10] netlink_sendmsg+0x723/0xbe0 [ 9874.526640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9874.526640][ T10] ___sys_sendmsg+0xee/0x170 [ 9874.526640][ T10] __sys_sendmsg+0xcd/0x170 [ 9874.526640][ T10] do_syscall_64+0xc6/0x1e0 [ 9874.526640][ T10] [ 9874.528715][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9874.528715][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9874.528715][ T10] ipv6_find_idev+0x102/0x170 [ 9874.528715][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9874.528715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9874.528715][ T10] netlink_rcv_skb+0x130/0x360 [ 9874.528715][ T10] netlink_unicast+0x449/0x710 [ 9874.528715][ T10] netlink_sendmsg+0x723/0xbe0 [ 9874.528715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9874.528715][ T10] ___sys_sendmsg+0xee/0x170 [ 9874.528715][ T10] __sys_sendmsg+0xcd/0x170 [ 9874.528715][ T10] do_syscall_64+0xc6/0x1e0 [ 9874.528715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9874.528715][ T10] [ 9874.530300][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9874.530300][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9874.530300][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9874.530300][ T10] ipv6_find_idev+0x102/0x170 [ 9874.530300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9874.530300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9874.530300][ T10] netlink_rcv_skb+0x130/0x360 [ 9874.530300][ T10] netlink_unicast+0x449/0x710 [ 9874.530300][ T10] netlink_sendmsg+0x723/0xbe0 [ 9874.530300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9874.530300][ T10] ___sys_sendmsg+0xee/0x170 [ 9874.530300][ T10] __sys_sendmsg+0xcd/0x170 [ 9874.530300][ T10] do_syscall_64+0xc6/0x1e0 [ 9874.530300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9874.530300][ T10] [ 9874.532093][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9874.532325][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9874.532325][ T10] netdev_get_by_index+0x5e/0x80 [ 9874.532325][ T10] fib6_nh_init+0x3d8/0x1580 [ 9874.532325][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9874.532325][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9874.532325][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9874.532325][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9874.532325][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9874.532325][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9874.532325][ T10] addrconf_dad_begin+0x310/0x670 [ 9874.532325][ T10] addrconf_dad_work+0x10b/0xab0 [ 9874.532325][ T10] process_one_work+0x84d/0x18a0 [ 9874.532325][ T10] worker_thread+0x587/0xd30 [ 9874.532325][ T10] kthread+0x28a/0x350 [ 9874.532325][ T10] ret_from_fork+0x31/0x70 [ 9874.532325][ T10] ret_from_fork_asm+0x1a/0x30 [ 9874.532325][ T10] [ 9874.534356][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9874.534356][ T10] netdev_get_by_index+0x5e/0x80 [ 9874.534356][ T10] fib6_nh_init+0x3d8/0x1580 [ 9874.534356][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9874.534356][ T10] ip6_route_add+0x1c/0x140 [ 9874.534356][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9874.534356][ T10] inet6_addr_add+0x4f8/0xa40 [ 9874.534356][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9874.534356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9874.534356][ T10] netlink_rcv_skb+0x130/0x360 [ 9874.534356][ T10] netlink_unicast+0x449/0x710 [ 9874.534356][ T10] netlink_sendmsg+0x723/0xbe0 [ 9874.534356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9874.534356][ T10] ___sys_sendmsg+0xee/0x170 [ 9874.534356][ T10] __sys_sendmsg+0xcd/0x170 [ 9874.534356][ T10] do_syscall_64+0xc6/0x1e0 [ 9874.534356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9874.534356][ T10] [ 9874.536476][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9874.536476][ T10] netdev_get_by_index+0x5e/0x80 [ 9874.536476][ T10] fib6_nh_init+0x3d8/0x1580 [ 9874.536476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9874.536476][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9874.536476][ T10] ipv6_add_addr+0x411/0x2000 [ 9874.536476][ T10] inet6_addr_add+0x30e/0xa40 [ 9874.536476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9874.536476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9874.536476][ T10] netlink_rcv_skb+0x130/0x360 [ 9874.536476][ T10] netlink_unicast+0x449/0x710 [ 9874.536476][ T10] netlink_sendmsg+0x723/0xbe0 [ 9874.536476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9874.536476][ T10] ___sys_sendmsg+0xee/0x170 [ 9874.536476][ T10] __sys_sendmsg+0xcd/0x170 [ 9874.536476][ T10] do_syscall_64+0xc6/0x1e0 [ 9874.536476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9874.536476][ T10] [ 9874.538589][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9874.538589][ T10] netdev_get_by_index+0x5e/0x80 [ 9874.538589][ T10] fib6_nh_init+0x3d8/0x1580 [ 9874.538589][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9874.538589][ T10] ip6_route_add+0x1c/0x140 [ 9874.538589][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9874.538589][ T10] addrconf_add_dev+0xe2/0x170 [ 9874.538589][ T10] inet6_addr_add+0x12f/0xa40 [ 9874.538589][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9874.538589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9874.538589][ T10] netlink_rcv_skb+0x130/0x360 [ 9874.538589][ T10] netlink_unicast+0x449/0x710 [ 9874.538589][ T10] netlink_sendmsg+0x723/0xbe0 [ 9874.538589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9874.538589][ T10] ___sys_sendmsg+0xee/0x170 [ 9874.538589][ T10] __sys_sendmsg+0xcd/0x170 [ 9874.538589][ T10] do_syscall_64+0xc6/0x1e0 [ 9874.538589][ T10] [ 9874.540666][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9874.540666][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9874.540666][ T10] ipv6_find_idev+0x102/0x170 [ 9874.540666][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9874.540666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9874.540666][ T10] netlink_rcv_skb+0x130/0x360 [ 9874.540666][ T10] netlink_unicast+0x449/0x710 [ 9874.540666][ T10] netlink_sendmsg+0x723/0xbe0 [ 9874.540666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9874.540666][ T10] ___sys_sendmsg+0xee/0x170 [ 9874.540666][ T10] __sys_sendmsg+0xcd/0x170 [ 9874.540666][ T10] do_syscall_64+0xc6/0x1e0 [ 9874.540666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9874.540666][ T10] [ 9874.542272][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9874.542272][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9874.542272][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9874.542272][ T10] ipv6_find_idev+0x102/0x170 [ 9874.542272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9874.542272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9874.542272][ T10] netlink_rcv_skb+0x130/0x360 [ 9874.542272][ T10] netlink_unicast+0x449/0x710 [ 9874.542272][ T10] netlink_sendmsg+0x723/0xbe0 [ 9874.542272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9874.542272][ T10] ___sys_sendmsg+0xee/0x170 [ 9874.542272][ T10] __sys_sendmsg+0xcd/0x170 [ 9874.542272][ T10] do_syscall_64+0xc6/0x1e0 [ 9874.542272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9874.542272][ T10] [ 9877.265104][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9877.265581][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9877.265581][ T1167] dst_init+0x84/0x4a0 [ 9877.265581][ T1167] dst_alloc+0x97/0x150 [ 9877.265581][ T1167] ip6_dst_alloc+0x23/0x90 [ 9877.265581][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9877.265581][ T1167] ip6_pol_route+0x56f/0x840 [ 9877.265581][ T1167] fib6_rule_lookup+0x334/0x630 [ 9877.265581][ T1167] ip6_route_output_flags+0x259/0x480 [ 9877.265581][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9877.265581][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9877.265581][ T1167] netlink_rcv_skb+0x130/0x360 [ 9877.265581][ T1167] netlink_unicast+0x449/0x710 [ 9877.265581][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9877.265581][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9877.265581][ T1167] ___sys_sendmsg+0xee/0x170 [ 9877.265581][ T1167] __sys_sendmsg+0xcd/0x170 [ 9877.265581][ T1167] do_syscall_64+0xc6/0x1e0 [ 9877.265581][ T1167] [ 9877.267789][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9877.267789][ T1167] netdev_get_by_index+0x5e/0x80 [ 9877.267789][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9877.267789][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9877.267789][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9877.267789][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9877.267789][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9877.267789][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9877.267789][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9877.267789][ T1167] addrconf_dad_begin+0x310/0x670 [ 9877.267789][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9877.267789][ T1167] process_one_work+0x84d/0x18a0 [ 9877.267789][ T1167] worker_thread+0x587/0xd30 [ 9877.267789][ T1167] kthread+0x28a/0x350 [ 9877.267789][ T1167] ret_from_fork+0x31/0x70 [ 9877.267789][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9877.267789][ T1167] [ 9877.269926][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9877.269926][ T1167] netdev_get_by_index+0x5e/0x80 [ 9877.269926][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9877.269926][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9877.269926][ T1167] ip6_route_add+0x1c/0x140 [ 9877.269926][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9877.269926][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9877.269926][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9877.269926][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9877.269926][ T1167] netlink_rcv_skb+0x130/0x360 [ 9877.269926][ T1167] netlink_unicast+0x449/0x710 [ 9877.269926][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9877.269926][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9877.269926][ T1167] ___sys_sendmsg+0xee/0x170 [ 9877.269926][ T1167] __sys_sendmsg+0xcd/0x170 [ 9877.269926][ T1167] do_syscall_64+0xc6/0x1e0 [ 9877.269926][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9877.269926][ T1167] [ 9877.272164][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9877.272164][ T1167] netdev_get_by_index+0x5e/0x80 [ 9877.272164][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9877.272164][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9877.272164][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9877.272164][ T1167] ipv6_add_addr+0x411/0x2000 [ 9877.272164][ T1167] inet6_addr_add+0x30e/0xa40 [ 9877.272164][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9877.272164][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9877.272164][ T1167] netlink_rcv_skb+0x130/0x360 [ 9877.272164][ T1167] netlink_unicast+0x449/0x710 [ 9877.272164][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9877.272164][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9877.272164][ T1167] ___sys_sendmsg+0xee/0x170 [ 9877.272164][ T1167] __sys_sendmsg+0xcd/0x170 [ 9877.272164][ T1167] do_syscall_64+0xc6/0x1e0 [ 9877.272164][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9877.272164][ T1167] [ 9877.274388][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9877.274388][ T1167] netdev_get_by_index+0x5e/0x80 [ 9877.274388][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9877.274388][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9877.274388][ T1167] ip6_route_add+0x1c/0x140 [ 9877.274388][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9877.274388][ T1167] addrconf_add_dev+0xe2/0x170 [ 9877.274388][ T1167] inet6_addr_add+0x12f/0xa40 [ 9877.274388][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9877.274388][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9877.274388][ T1167] netlink_rcv_skb+0x130/0x360 [ 9877.274388][ T1167] netlink_unicast+0x449/0x710 [ 9877.274388][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9877.274388][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9877.274388][ T1167] ___sys_sendmsg+0xee/0x170 [ 9877.274388][ T1167] __sys_sendmsg+0xcd/0x170 [ 9877.274388][ T1167] do_syscall_64+0xc6/0x1e0 [ 9877.274388][ T1167] [ 9877.276577][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9877.276577][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9877.276577][ T1167] ipv6_find_idev+0x102/0x170 [ 9877.276577][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9877.276577][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9877.276577][ T1167] netlink_rcv_skb+0x130/0x360 [ 9877.276577][ T1167] netlink_unicast+0x449/0x710 [ 9877.276577][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9877.276577][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9877.276577][ T1167] ___sys_sendmsg+0xee/0x170 [ 9877.276577][ T1167] __sys_sendmsg+0xcd/0x170 [ 9877.276577][ T1167] do_syscall_64+0xc6/0x1e0 [ 9877.276577][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9877.276577][ T1167] [ 9877.278291][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9877.278291][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9877.278291][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9877.278291][ T1167] ipv6_find_idev+0x102/0x170 [ 9877.278291][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9877.278291][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9877.278291][ T1167] netlink_rcv_skb+0x130/0x360 [ 9877.278291][ T1167] netlink_unicast+0x449/0x710 [ 9877.278291][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9877.278291][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9877.278291][ T1167] ___sys_sendmsg+0xee/0x170 [ 9877.278291][ T1167] __sys_sendmsg+0xcd/0x170 [ 9877.278291][ T1167] do_syscall_64+0xc6/0x1e0 [ 9877.278291][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9877.278291][ T1167] [ 9884.785106][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9884.785522][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9884.785522][ T10] netdev_get_by_index+0x5e/0x80 [ 9884.785522][ T10] fib6_nh_init+0x3d8/0x1580 [ 9884.785522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9884.785522][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9884.785522][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9884.785522][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9884.785522][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9884.785522][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9884.785522][ T10] addrconf_dad_begin+0x310/0x670 [ 9884.785522][ T10] addrconf_dad_work+0x10b/0xab0 [ 9884.785522][ T10] process_one_work+0x84d/0x18a0 [ 9884.785522][ T10] worker_thread+0x587/0xd30 [ 9884.785522][ T10] kthread+0x28a/0x350 [ 9884.785522][ T10] ret_from_fork+0x31/0x70 [ 9884.785522][ T10] ret_from_fork_asm+0x1a/0x30 [ 9884.785522][ T10] [ 9884.787452][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9884.787452][ T10] netdev_get_by_index+0x5e/0x80 [ 9884.787452][ T10] fib6_nh_init+0x3d8/0x1580 [ 9884.787452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9884.787452][ T10] ip6_route_add+0x1c/0x140 [ 9884.787452][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9884.787452][ T10] inet6_addr_add+0x4f8/0xa40 [ 9884.787452][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9884.787452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9884.787452][ T10] netlink_rcv_skb+0x130/0x360 [ 9884.787452][ T10] netlink_unicast+0x449/0x710 [ 9884.787452][ T10] netlink_sendmsg+0x723/0xbe0 [ 9884.787452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9884.787452][ T10] ___sys_sendmsg+0xee/0x170 [ 9884.787452][ T10] __sys_sendmsg+0xcd/0x170 [ 9884.787452][ T10] do_syscall_64+0xc6/0x1e0 [ 9884.787452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9884.787452][ T10] [ 9884.789444][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9884.789444][ T10] netdev_get_by_index+0x5e/0x80 [ 9884.789444][ T10] fib6_nh_init+0x3d8/0x1580 [ 9884.789444][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9884.789444][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9884.789444][ T10] ipv6_add_addr+0x411/0x2000 [ 9884.789444][ T10] inet6_addr_add+0x30e/0xa40 [ 9884.789444][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9884.789444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9884.789444][ T10] netlink_rcv_skb+0x130/0x360 [ 9884.789444][ T10] netlink_unicast+0x449/0x710 [ 9884.789444][ T10] netlink_sendmsg+0x723/0xbe0 [ 9884.789444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9884.789444][ T10] ___sys_sendmsg+0xee/0x170 [ 9884.789444][ T10] __sys_sendmsg+0xcd/0x170 [ 9884.789444][ T10] do_syscall_64+0xc6/0x1e0 [ 9884.789444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9884.789444][ T10] [ 9884.791428][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9884.791428][ T10] netdev_get_by_index+0x5e/0x80 [ 9884.791428][ T10] fib6_nh_init+0x3d8/0x1580 [ 9884.791428][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9884.791428][ T10] ip6_route_add+0x1c/0x140 [ 9884.791428][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9884.791428][ T10] addrconf_add_dev+0xe2/0x170 [ 9884.791428][ T10] inet6_addr_add+0x12f/0xa40 [ 9884.791428][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9884.791428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9884.791428][ T10] netlink_rcv_skb+0x130/0x360 [ 9884.791428][ T10] netlink_unicast+0x449/0x710 [ 9884.791428][ T10] netlink_sendmsg+0x723/0xbe0 [ 9884.791428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9884.791428][ T10] ___sys_sendmsg+0xee/0x170 [ 9884.791428][ T10] __sys_sendmsg+0xcd/0x170 [ 9884.791428][ T10] do_syscall_64+0xc6/0x1e0 [ 9884.791428][ T10] [ 9884.793390][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9884.793390][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9884.793390][ T10] ipv6_find_idev+0x102/0x170 [ 9884.793390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9884.793390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9884.793390][ T10] netlink_rcv_skb+0x130/0x360 [ 9884.793390][ T10] netlink_unicast+0x449/0x710 [ 9884.793390][ T10] netlink_sendmsg+0x723/0xbe0 [ 9884.793390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9884.793390][ T10] ___sys_sendmsg+0xee/0x170 [ 9884.793390][ T10] __sys_sendmsg+0xcd/0x170 [ 9884.793390][ T10] do_syscall_64+0xc6/0x1e0 [ 9884.793390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9884.793390][ T10] [ 9884.794920][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9884.794920][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9884.794920][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9884.794920][ T10] ipv6_find_idev+0x102/0x170 [ 9884.794920][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9884.794920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9884.794920][ T10] netlink_rcv_skb+0x130/0x360 [ 9884.794920][ T10] netlink_unicast+0x449/0x710 [ 9884.794920][ T10] netlink_sendmsg+0x723/0xbe0 [ 9884.794920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9884.794920][ T10] ___sys_sendmsg+0xee/0x170 [ 9884.794920][ T10] __sys_sendmsg+0xcd/0x170 [ 9884.794920][ T10] do_syscall_64+0xc6/0x1e0 [ 9884.794920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9884.794920][ T10] [ 9884.796590][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9884.796834][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9884.796834][ T10] netdev_get_by_index+0x5e/0x80 [ 9884.796834][ T10] fib6_nh_init+0x3d8/0x1580 [ 9884.796834][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9884.796834][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9884.796834][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9884.796834][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9884.796834][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9884.796834][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9884.796834][ T10] addrconf_dad_begin+0x310/0x670 [ 9884.796834][ T10] addrconf_dad_work+0x10b/0xab0 [ 9884.796834][ T10] process_one_work+0x84d/0x18a0 [ 9884.796834][ T10] worker_thread+0x587/0xd30 [ 9884.796834][ T10] kthread+0x28a/0x350 [ 9884.796834][ T10] ret_from_fork+0x31/0x70 [ 9884.796834][ T10] ret_from_fork_asm+0x1a/0x30 [ 9884.796834][ T10] [ 9884.798727][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9884.798727][ T10] netdev_get_by_index+0x5e/0x80 [ 9884.798727][ T10] fib6_nh_init+0x3d8/0x1580 [ 9884.798727][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9884.798727][ T10] ip6_route_add+0x1c/0x140 [ 9884.798727][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9884.798727][ T10] inet6_addr_add+0x4f8/0xa40 [ 9884.798727][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9884.798727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9884.798727][ T10] netlink_rcv_skb+0x130/0x360 [ 9884.798727][ T10] netlink_unicast+0x449/0x710 [ 9884.798727][ T10] netlink_sendmsg+0x723/0xbe0 [ 9884.798727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9884.798727][ T10] ___sys_sendmsg+0xee/0x170 [ 9884.798727][ T10] __sys_sendmsg+0xcd/0x170 [ 9884.798727][ T10] do_syscall_64+0xc6/0x1e0 [ 9884.798727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9884.798727][ T10] [ 9884.800723][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9884.800723][ T10] netdev_get_by_index+0x5e/0x80 [ 9884.800723][ T10] fib6_nh_init+0x3d8/0x1580 [ 9884.800723][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9884.800723][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9884.800723][ T10] ipv6_add_addr+0x411/0x2000 [ 9884.800723][ T10] inet6_addr_add+0x30e/0xa40 [ 9884.800723][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9884.800723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9884.800723][ T10] netlink_rcv_skb+0x130/0x360 [ 9884.800723][ T10] netlink_unicast+0x449/0x710 [ 9884.800723][ T10] netlink_sendmsg+0x723/0xbe0 [ 9884.800723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9884.800723][ T10] ___sys_sendmsg+0xee/0x170 [ 9884.800723][ T10] __sys_sendmsg+0xcd/0x170 [ 9884.800723][ T10] do_syscall_64+0xc6/0x1e0 [ 9884.800723][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9884.800723][ T10] [ 9884.802739][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9884.802739][ T10] netdev_get_by_index+0x5e/0x80 [ 9884.802739][ T10] fib6_nh_init+0x3d8/0x1580 [ 9884.802739][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9884.802739][ T10] ip6_route_add+0x1c/0x140 [ 9884.802739][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9884.802739][ T10] addrconf_add_dev+0xe2/0x170 [ 9884.802739][ T10] inet6_addr_add+0x12f/0xa40 [ 9884.802739][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9884.802739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9884.802739][ T10] netlink_rcv_skb+0x130/0x360 [ 9884.802739][ T10] netlink_unicast+0x449/0x710 [ 9884.802739][ T10] netlink_sendmsg+0x723/0xbe0 [ 9884.802739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9884.802739][ T10] ___sys_sendmsg+0xee/0x170 [ 9884.802739][ T10] __sys_sendmsg+0xcd/0x170 [ 9884.802739][ T10] do_syscall_64+0xc6/0x1e0 [ 9884.802739][ T10] [ 9884.804688][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9884.804688][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9884.804688][ T10] ipv6_find_idev+0x102/0x170 [ 9884.804688][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9884.804688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9884.804688][ T10] netlink_rcv_skb+0x130/0x360 [ 9884.804688][ T10] netlink_unicast+0x449/0x710 [ 9884.804688][ T10] netlink_sendmsg+0x723/0xbe0 [ 9884.804688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9884.804688][ T10] ___sys_sendmsg+0xee/0x170 [ 9884.804688][ T10] __sys_sendmsg+0xcd/0x170 [ 9884.804688][ T10] do_syscall_64+0xc6/0x1e0 [ 9884.804688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9884.804688][ T10] [ 9884.806220][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9884.806220][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9884.806220][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9884.806220][ T10] ipv6_find_idev+0x102/0x170 [ 9884.806220][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9884.806220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9884.806220][ T10] netlink_rcv_skb+0x130/0x360 [ 9884.806220][ T10] netlink_unicast+0x449/0x710 [ 9884.806220][ T10] netlink_sendmsg+0x723/0xbe0 [ 9884.806220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9884.806220][ T10] ___sys_sendmsg+0xee/0x170 [ 9884.806220][ T10] __sys_sendmsg+0xcd/0x170 [ 9884.806220][ T10] do_syscall_64+0xc6/0x1e0 [ 9884.806220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9884.806220][ T10] [ 9884.807886][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9884.808140][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9884.808140][ T10] netdev_get_by_index+0x5e/0x80 [ 9884.808140][ T10] fib6_nh_init+0x3d8/0x1580 [ 9884.808140][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9884.808140][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9884.808140][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9884.808140][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9884.808140][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9884.808140][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9884.808140][ T10] addrconf_dad_begin+0x310/0x670 [ 9884.808140][ T10] addrconf_dad_work+0x10b/0xab0 [ 9884.808140][ T10] process_one_work+0x84d/0x18a0 [ 9884.808140][ T10] worker_thread+0x587/0xd30 [ 9884.808140][ T10] kthread+0x28a/0x350 [ 9884.808140][ T10] ret_from_fork+0x31/0x70 [ 9884.808140][ T10] ret_from_fork_asm+0x1a/0x30 [ 9884.808140][ T10] [ 9884.810041][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9884.810041][ T10] netdev_get_by_index+0x5e/0x80 [ 9884.810041][ T10] fib6_nh_init+0x3d8/0x1580 [ 9884.810041][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9884.810041][ T10] ip6_route_add+0x1c/0x140 [ 9884.810041][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9884.810041][ T10] inet6_addr_add+0x4f8/0xa40 [ 9884.810041][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9884.810041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9884.810041][ T10] netlink_rcv_skb+0x130/0x360 [ 9884.810041][ T10] netlink_unicast+0x449/0x710 [ 9884.810041][ T10] netlink_sendmsg+0x723/0xbe0 [ 9884.810041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9884.810041][ T10] ___sys_sendmsg+0xee/0x170 [ 9884.810041][ T10] __sys_sendmsg+0xcd/0x170 [ 9884.810041][ T10] do_syscall_64+0xc6/0x1e0 [ 9884.810041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9884.810041][ T10] [ 9884.812218][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9884.812218][ T10] netdev_get_by_index+0x5e/0x80 [ 9884.812218][ T10] fib6_nh_init+0x3d8/0x1580 [ 9884.812218][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9884.812218][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9884.812218][ T10] ipv6_add_addr+0x411/0x2000 [ 9884.812218][ T10] inet6_addr_add+0x30e/0xa40 [ 9884.812218][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9884.812218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9884.812218][ T10] netlink_rcv_skb+0x130/0x360 [ 9884.812218][ T10] netlink_unicast+0x449/0x710 [ 9884.812218][ T10] netlink_sendmsg+0x723/0xbe0 [ 9884.812218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9884.812218][ T10] ___sys_sendmsg+0xee/0x170 [ 9884.812218][ T10] __sys_sendmsg+0xcd/0x170 [ 9884.812218][ T10] do_syscall_64+0xc6/0x1e0 [ 9884.812218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9884.812218][ T10] [ 9884.814449][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9884.814449][ T10] netdev_get_by_index+0x5e/0x80 [ 9884.814449][ T10] fib6_nh_init+0x3d8/0x1580 [ 9884.814449][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9884.814449][ T10] ip6_route_add+0x1c/0x140 [ 9884.814449][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9884.814449][ T10] addrconf_add_dev+0xe2/0x170 [ 9884.814449][ T10] inet6_addr_add+0x12f/0xa40 [ 9884.814449][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9884.814449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9884.814449][ T10] netlink_rcv_skb+0x130/0x360 [ 9884.814449][ T10] netlink_unicast+0x449/0x710 [ 9884.814449][ T10] netlink_sendmsg+0x723/0xbe0 [ 9884.814449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9884.814449][ T10] ___sys_sendmsg+0xee/0x170 [ 9884.814449][ T10] __sys_sendmsg+0xcd/0x170 [ 9884.814449][ T10] do_syscall_64+0xc6/0x1e0 [ 9884.814449][ T10] [ 9884.816577][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9884.816577][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9884.816577][ T10] ipv6_find_idev+0x102/0x170 [ 9884.816577][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9884.816577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9884.816577][ T10] netlink_rcv_skb+0x130/0x360 [ 9884.816577][ T10] netlink_unicast+0x449/0x710 [ 9884.816577][ T10] netlink_sendmsg+0x723/0xbe0 [ 9884.816577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9884.816577][ T10] ___sys_sendmsg+0xee/0x170 [ 9884.816577][ T10] __sys_sendmsg+0xcd/0x170 [ 9884.816577][ T10] do_syscall_64+0xc6/0x1e0 [ 9884.816577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9884.816577][ T10] [ 9884.818291][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9884.818291][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9884.818291][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9884.818291][ T10] ipv6_find_idev+0x102/0x170 [ 9884.818291][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9884.818291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9884.818291][ T10] netlink_rcv_skb+0x130/0x360 [ 9884.818291][ T10] netlink_unicast+0x449/0x710 [ 9884.818291][ T10] netlink_sendmsg+0x723/0xbe0 [ 9884.818291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9884.818291][ T10] ___sys_sendmsg+0xee/0x170 [ 9884.818291][ T10] __sys_sendmsg+0xcd/0x170 [ 9884.818291][ T10] do_syscall_64+0xc6/0x1e0 [ 9884.818291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9884.818291][ T10] [ 9884.820201][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9884.820442][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9884.820442][ T10] netdev_get_by_index+0x5e/0x80 [ 9884.820442][ T10] fib6_nh_init+0x3d8/0x1580 [ 9884.820442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9884.820442][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9884.820442][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9884.820442][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9884.820442][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9884.820442][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9884.820442][ T10] addrconf_dad_begin+0x310/0x670 [ 9884.820442][ T10] addrconf_dad_work+0x10b/0xab0 [ 9884.820442][ T10] process_one_work+0x84d/0x18a0 [ 9884.820442][ T10] worker_thread+0x587/0xd30 [ 9884.820442][ T10] kthread+0x28a/0x350 [ 9884.820442][ T10] ret_from_fork+0x31/0x70 [ 9884.820442][ T10] ret_from_fork_asm+0x1a/0x30 [ 9884.820442][ T10] [ 9884.822593][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9884.822593][ T10] netdev_get_by_index+0x5e/0x80 [ 9884.822593][ T10] fib6_nh_init+0x3d8/0x1580 [ 9884.822593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9884.822593][ T10] ip6_route_add+0x1c/0x140 [ 9884.822593][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9884.822593][ T10] inet6_addr_add+0x4f8/0xa40 [ 9884.822593][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9884.822593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9884.822593][ T10] netlink_rcv_skb+0x130/0x360 [ 9884.822593][ T10] netlink_unicast+0x449/0x710 [ 9884.822593][ T10] netlink_sendmsg+0x723/0xbe0 [ 9884.822593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9884.822593][ T10] ___sys_sendmsg+0xee/0x170 [ 9884.822593][ T10] __sys_sendmsg+0xcd/0x170 [ 9884.822593][ T10] do_syscall_64+0xc6/0x1e0 [ 9884.822593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9884.822593][ T10] [ 9884.824759][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9884.824759][ T10] netdev_get_by_index+0x5e/0x80 [ 9884.824759][ T10] fib6_nh_init+0x3d8/0x1580 [ 9884.824759][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9884.824759][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9884.824759][ T10] ipv6_add_addr+0x411/0x2000 [ 9884.824759][ T10] inet6_addr_add+0x30e/0xa40 [ 9884.824759][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9884.824759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9884.824759][ T10] netlink_rcv_skb+0x130/0x360 [ 9884.824759][ T10] netlink_unicast+0x449/0x710 [ 9884.824759][ T10] netlink_sendmsg+0x723/0xbe0 [ 9884.824759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9884.824759][ T10] ___sys_sendmsg+0xee/0x170 [ 9884.824759][ T10] __sys_sendmsg+0xcd/0x170 [ 9884.824759][ T10] do_syscall_64+0xc6/0x1e0 [ 9884.824759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9884.824759][ T10] [ 9884.826986][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9884.826986][ T10] netdev_get_by_index+0x5e/0x80 [ 9884.826986][ T10] fib6_nh_init+0x3d8/0x1580 [ 9884.826986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9884.826986][ T10] ip6_route_add+0x1c/0x140 [ 9884.826986][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9884.826986][ T10] addrconf_add_dev+0xe2/0x170 [ 9884.826986][ T10] inet6_addr_add+0x12f/0xa40 [ 9884.826986][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9884.826986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9884.826986][ T10] netlink_rcv_skb+0x130/0x360 [ 9884.826986][ T10] netlink_unicast+0x449/0x710 [ 9884.826986][ T10] netlink_sendmsg+0x723/0xbe0 [ 9884.826986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9884.826986][ T10] ___sys_sendmsg+0xee/0x170 [ 9884.826986][ T10] __sys_sendmsg+0xcd/0x170 [ 9884.826986][ T10] do_syscall_64+0xc6/0x1e0 [ 9884.826986][ T10] [ 9884.829246][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9884.829246][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9884.829246][ T10] ipv6_find_idev+0x102/0x170 [ 9884.829246][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9884.829246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9884.829246][ T10] netlink_rcv_skb+0x130/0x360 [ 9884.829246][ T10] netlink_unicast+0x449/0x710 [ 9884.829246][ T10] netlink_sendmsg+0x723/0xbe0 [ 9884.829246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9884.829246][ T10] ___sys_sendmsg+0xee/0x170 [ 9884.829246][ T10] __sys_sendmsg+0xcd/0x170 [ 9884.829246][ T10] do_syscall_64+0xc6/0x1e0 [ 9884.829246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9884.829246][ T10] [ 9884.830962][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9884.830962][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9884.830962][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9884.830962][ T10] ipv6_find_idev+0x102/0x170 [ 9884.830962][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9884.830962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9884.830962][ T10] netlink_rcv_skb+0x130/0x360 [ 9884.830962][ T10] netlink_unicast+0x449/0x710 [ 9884.830962][ T10] netlink_sendmsg+0x723/0xbe0 [ 9884.830962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9884.830962][ T10] ___sys_sendmsg+0xee/0x170 [ 9884.830962][ T10] __sys_sendmsg+0xcd/0x170 [ 9884.830962][ T10] do_syscall_64+0xc6/0x1e0 [ 9884.830962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9884.830962][ T10] [ 9887.321102][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9887.321561][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9887.321561][ T1167] dst_init+0x84/0x4a0 [ 9887.321561][ T1167] dst_alloc+0x97/0x150 [ 9887.321561][ T1167] ip6_dst_alloc+0x23/0x90 [ 9887.321561][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9887.321561][ T1167] ip6_pol_route+0x56f/0x840 [ 9887.321561][ T1167] fib6_rule_lookup+0x334/0x630 [ 9887.321561][ T1167] ip6_route_output_flags+0x259/0x480 [ 9887.321561][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9887.321561][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9887.321561][ T1167] netlink_rcv_skb+0x130/0x360 [ 9887.321561][ T1167] netlink_unicast+0x449/0x710 [ 9887.321561][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9887.321561][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9887.321561][ T1167] ___sys_sendmsg+0xee/0x170 [ 9887.321561][ T1167] __sys_sendmsg+0xcd/0x170 [ 9887.321561][ T1167] do_syscall_64+0xc6/0x1e0 [ 9887.321561][ T1167] [ 9887.323771][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9887.323771][ T1167] netdev_get_by_index+0x5e/0x80 [ 9887.323771][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9887.323771][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9887.323771][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9887.323771][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9887.323771][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9887.323771][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9887.323771][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9887.323771][ T1167] addrconf_dad_begin+0x310/0x670 [ 9887.323771][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9887.323771][ T1167] process_one_work+0x84d/0x18a0 [ 9887.323771][ T1167] worker_thread+0x587/0xd30 [ 9887.323771][ T1167] kthread+0x28a/0x350 [ 9887.323771][ T1167] ret_from_fork+0x31/0x70 [ 9887.323771][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9887.323771][ T1167] [ 9887.325912][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9887.325912][ T1167] netdev_get_by_index+0x5e/0x80 [ 9887.325912][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9887.325912][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9887.325912][ T1167] ip6_route_add+0x1c/0x140 [ 9887.325912][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9887.325912][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9887.325912][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9887.325912][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9887.325912][ T1167] netlink_rcv_skb+0x130/0x360 [ 9887.325912][ T1167] netlink_unicast+0x449/0x710 [ 9887.325912][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9887.325912][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9887.325912][ T1167] ___sys_sendmsg+0xee/0x170 [ 9887.325912][ T1167] __sys_sendmsg+0xcd/0x170 [ 9887.325912][ T1167] do_syscall_64+0xc6/0x1e0 [ 9887.325912][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9887.325912][ T1167] [ 9887.328149][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9887.328149][ T1167] netdev_get_by_index+0x5e/0x80 [ 9887.328149][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9887.328149][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9887.328149][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9887.328149][ T1167] ipv6_add_addr+0x411/0x2000 [ 9887.328149][ T1167] inet6_addr_add+0x30e/0xa40 [ 9887.328149][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9887.328149][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9887.328149][ T1167] netlink_rcv_skb+0x130/0x360 [ 9887.328149][ T1167] netlink_unicast+0x449/0x710 [ 9887.328149][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9887.328149][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9887.328149][ T1167] ___sys_sendmsg+0xee/0x170 [ 9887.328149][ T1167] __sys_sendmsg+0xcd/0x170 [ 9887.328149][ T1167] do_syscall_64+0xc6/0x1e0 [ 9887.328149][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9887.328149][ T1167] [ 9887.330393][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9887.330393][ T1167] netdev_get_by_index+0x5e/0x80 [ 9887.330393][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9887.330393][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9887.330393][ T1167] ip6_route_add+0x1c/0x140 [ 9887.330393][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9887.330393][ T1167] addrconf_add_dev+0xe2/0x170 [ 9887.330393][ T1167] inet6_addr_add+0x12f/0xa40 [ 9887.330393][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9887.330393][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9887.330393][ T1167] netlink_rcv_skb+0x130/0x360 [ 9887.330393][ T1167] netlink_unicast+0x449/0x710 [ 9887.330393][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9887.330393][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9887.330393][ T1167] ___sys_sendmsg+0xee/0x170 [ 9887.330393][ T1167] __sys_sendmsg+0xcd/0x170 [ 9887.330393][ T1167] do_syscall_64+0xc6/0x1e0 [ 9887.330393][ T1167] [ 9887.332593][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9887.332593][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9887.332593][ T1167] ipv6_find_idev+0x102/0x170 [ 9887.332593][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9887.332593][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9887.332593][ T1167] netlink_rcv_skb+0x130/0x360 [ 9887.332593][ T1167] netlink_unicast+0x449/0x710 [ 9887.332593][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9887.332593][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9887.332593][ T1167] ___sys_sendmsg+0xee/0x170 [ 9887.332593][ T1167] __sys_sendmsg+0xcd/0x170 [ 9887.332593][ T1167] do_syscall_64+0xc6/0x1e0 [ 9887.332593][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9887.332593][ T1167] [ 9887.334315][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9887.334315][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9887.334315][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9887.334315][ T1167] ipv6_find_idev+0x102/0x170 [ 9887.334315][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9887.334315][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9887.334315][ T1167] netlink_rcv_skb+0x130/0x360 [ 9887.334315][ T1167] netlink_unicast+0x449/0x710 [ 9887.334315][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9887.334315][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9887.334315][ T1167] ___sys_sendmsg+0xee/0x170 [ 9887.334315][ T1167] __sys_sendmsg+0xcd/0x170 [ 9887.334315][ T1167] do_syscall_64+0xc6/0x1e0 [ 9887.334315][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9887.334315][ T1167] [ 9894.929121][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9894.929577][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9894.929577][ T10] netdev_get_by_index+0x5e/0x80 [ 9894.929577][ T10] fib6_nh_init+0x3d8/0x1580 [ 9894.929577][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9894.929577][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9894.929577][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9894.929577][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9894.929577][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9894.929577][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9894.929577][ T10] addrconf_dad_begin+0x310/0x670 [ 9894.929577][ T10] addrconf_dad_work+0x10b/0xab0 [ 9894.929577][ T10] process_one_work+0x84d/0x18a0 [ 9894.929577][ T10] worker_thread+0x587/0xd30 [ 9894.929577][ T10] kthread+0x28a/0x350 [ 9894.929577][ T10] ret_from_fork+0x31/0x70 [ 9894.929577][ T10] ret_from_fork_asm+0x1a/0x30 [ 9894.929577][ T10] [ 9894.931507][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9894.931507][ T10] netdev_get_by_index+0x5e/0x80 [ 9894.931507][ T10] fib6_nh_init+0x3d8/0x1580 [ 9894.931507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9894.931507][ T10] ip6_route_add+0x1c/0x140 [ 9894.931507][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9894.931507][ T10] inet6_addr_add+0x4f8/0xa40 [ 9894.931507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9894.931507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9894.931507][ T10] netlink_rcv_skb+0x130/0x360 [ 9894.931507][ T10] netlink_unicast+0x449/0x710 [ 9894.931507][ T10] netlink_sendmsg+0x723/0xbe0 [ 9894.931507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9894.931507][ T10] ___sys_sendmsg+0xee/0x170 [ 9894.931507][ T10] __sys_sendmsg+0xcd/0x170 [ 9894.931507][ T10] do_syscall_64+0xc6/0x1e0 [ 9894.931507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9894.931507][ T10] [ 9894.933501][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9894.933501][ T10] netdev_get_by_index+0x5e/0x80 [ 9894.933501][ T10] fib6_nh_init+0x3d8/0x1580 [ 9894.933501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9894.933501][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9894.933501][ T10] ipv6_add_addr+0x411/0x2000 [ 9894.933501][ T10] inet6_addr_add+0x30e/0xa40 [ 9894.933501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9894.933501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9894.933501][ T10] netlink_rcv_skb+0x130/0x360 [ 9894.933501][ T10] netlink_unicast+0x449/0x710 [ 9894.933501][ T10] netlink_sendmsg+0x723/0xbe0 [ 9894.933501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9894.933501][ T10] ___sys_sendmsg+0xee/0x170 [ 9894.933501][ T10] __sys_sendmsg+0xcd/0x170 [ 9894.933501][ T10] do_syscall_64+0xc6/0x1e0 [ 9894.933501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9894.933501][ T10] [ 9894.935489][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9894.935489][ T10] netdev_get_by_index+0x5e/0x80 [ 9894.935489][ T10] fib6_nh_init+0x3d8/0x1580 [ 9894.935489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9894.935489][ T10] ip6_route_add+0x1c/0x140 [ 9894.935489][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9894.935489][ T10] addrconf_add_dev+0xe2/0x170 [ 9894.935489][ T10] inet6_addr_add+0x12f/0xa40 [ 9894.935489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9894.935489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9894.935489][ T10] netlink_rcv_skb+0x130/0x360 [ 9894.935489][ T10] netlink_unicast+0x449/0x710 [ 9894.935489][ T10] netlink_sendmsg+0x723/0xbe0 [ 9894.935489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9894.935489][ T10] ___sys_sendmsg+0xee/0x170 [ 9894.935489][ T10] __sys_sendmsg+0xcd/0x170 [ 9894.935489][ T10] do_syscall_64+0xc6/0x1e0 [ 9894.935489][ T10] [ 9894.937440][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9894.937440][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9894.937440][ T10] ipv6_find_idev+0x102/0x170 [ 9894.937440][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9894.937440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9894.937440][ T10] netlink_rcv_skb+0x130/0x360 [ 9894.937440][ T10] netlink_unicast+0x449/0x710 [ 9894.937440][ T10] netlink_sendmsg+0x723/0xbe0 [ 9894.937440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9894.937440][ T10] ___sys_sendmsg+0xee/0x170 [ 9894.937440][ T10] __sys_sendmsg+0xcd/0x170 [ 9894.937440][ T10] do_syscall_64+0xc6/0x1e0 [ 9894.937440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9894.937440][ T10] [ 9894.938979][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9894.938979][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9894.938979][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9894.938979][ T10] ipv6_find_idev+0x102/0x170 [ 9894.938979][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9894.938979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9894.938979][ T10] netlink_rcv_skb+0x130/0x360 [ 9894.938979][ T10] netlink_unicast+0x449/0x710 [ 9894.938979][ T10] netlink_sendmsg+0x723/0xbe0 [ 9894.938979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9894.938979][ T10] ___sys_sendmsg+0xee/0x170 [ 9894.938979][ T10] __sys_sendmsg+0xcd/0x170 [ 9894.938979][ T10] do_syscall_64+0xc6/0x1e0 [ 9894.938979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9894.938979][ T10] [ 9894.940654][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9894.940889][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9894.940889][ T10] netdev_get_by_index+0x5e/0x80 [ 9894.940889][ T10] fib6_nh_init+0x3d8/0x1580 [ 9894.940889][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9894.940889][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9894.940889][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9894.940889][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9894.940889][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9894.940889][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9894.940889][ T10] addrconf_dad_begin+0x310/0x670 [ 9894.940889][ T10] addrconf_dad_work+0x10b/0xab0 [ 9894.940889][ T10] process_one_work+0x84d/0x18a0 [ 9894.940889][ T10] worker_thread+0x587/0xd30 [ 9894.940889][ T10] kthread+0x28a/0x350 [ 9894.940889][ T10] ret_from_fork+0x31/0x70 [ 9894.940889][ T10] ret_from_fork_asm+0x1a/0x30 [ 9894.940889][ T10] [ 9894.942799][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9894.942799][ T10] netdev_get_by_index+0x5e/0x80 [ 9894.942799][ T10] fib6_nh_init+0x3d8/0x1580 [ 9894.942799][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9894.942799][ T10] ip6_route_add+0x1c/0x140 [ 9894.942799][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9894.942799][ T10] inet6_addr_add+0x4f8/0xa40 [ 9894.942799][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9894.942799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9894.942799][ T10] netlink_rcv_skb+0x130/0x360 [ 9894.942799][ T10] netlink_unicast+0x449/0x710 [ 9894.942799][ T10] netlink_sendmsg+0x723/0xbe0 [ 9894.942799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9894.942799][ T10] ___sys_sendmsg+0xee/0x170 [ 9894.942799][ T10] __sys_sendmsg+0xcd/0x170 [ 9894.942799][ T10] do_syscall_64+0xc6/0x1e0 [ 9894.942799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9894.942799][ T10] [ 9894.944779][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9894.944779][ T10] netdev_get_by_index+0x5e/0x80 [ 9894.944779][ T10] fib6_nh_init+0x3d8/0x1580 [ 9894.944779][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9894.944779][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9894.944779][ T10] ipv6_add_addr+0x411/0x2000 [ 9894.944779][ T10] inet6_addr_add+0x30e/0xa40 [ 9894.944779][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9894.944779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9894.944779][ T10] netlink_rcv_skb+0x130/0x360 [ 9894.944779][ T10] netlink_unicast+0x449/0x710 [ 9894.944779][ T10] netlink_sendmsg+0x723/0xbe0 [ 9894.944779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9894.944779][ T10] ___sys_sendmsg+0xee/0x170 [ 9894.944779][ T10] __sys_sendmsg+0xcd/0x170 [ 9894.944779][ T10] do_syscall_64+0xc6/0x1e0 [ 9894.944779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9894.944779][ T10] [ 9894.946758][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9894.946758][ T10] netdev_get_by_index+0x5e/0x80 [ 9894.946758][ T10] fib6_nh_init+0x3d8/0x1580 [ 9894.946758][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9894.946758][ T10] ip6_route_add+0x1c/0x140 [ 9894.946758][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9894.946758][ T10] addrconf_add_dev+0xe2/0x170 [ 9894.946758][ T10] inet6_addr_add+0x12f/0xa40 [ 9894.946758][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9894.946758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9894.946758][ T10] netlink_rcv_skb+0x130/0x360 [ 9894.946758][ T10] netlink_unicast+0x449/0x710 [ 9894.946758][ T10] netlink_sendmsg+0x723/0xbe0 [ 9894.946758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9894.946758][ T10] ___sys_sendmsg+0xee/0x170 [ 9894.946758][ T10] __sys_sendmsg+0xcd/0x170 [ 9894.946758][ T10] do_syscall_64+0xc6/0x1e0 [ 9894.946758][ T10] [ 9894.948701][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9894.948701][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9894.948701][ T10] ipv6_find_idev+0x102/0x170 [ 9894.948701][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9894.948701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9894.948701][ T10] netlink_rcv_skb+0x130/0x360 [ 9894.948701][ T10] netlink_unicast+0x449/0x710 [ 9894.948701][ T10] netlink_sendmsg+0x723/0xbe0 [ 9894.948701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9894.948701][ T10] ___sys_sendmsg+0xee/0x170 [ 9894.948701][ T10] __sys_sendmsg+0xcd/0x170 [ 9894.948701][ T10] do_syscall_64+0xc6/0x1e0 [ 9894.948701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9894.948701][ T10] [ 9894.950227][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9894.950227][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9894.950227][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9894.950227][ T10] ipv6_find_idev+0x102/0x170 [ 9894.950227][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9894.950227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9894.950227][ T10] netlink_rcv_skb+0x130/0x360 [ 9894.950227][ T10] netlink_unicast+0x449/0x710 [ 9894.950227][ T10] netlink_sendmsg+0x723/0xbe0 [ 9894.950227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9894.950227][ T10] ___sys_sendmsg+0xee/0x170 [ 9894.950227][ T10] __sys_sendmsg+0xcd/0x170 [ 9894.950227][ T10] do_syscall_64+0xc6/0x1e0 [ 9894.950227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9894.950227][ T10] [ 9894.951900][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9894.952146][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9894.952146][ T10] netdev_get_by_index+0x5e/0x80 [ 9894.952146][ T10] fib6_nh_init+0x3d8/0x1580 [ 9894.952146][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9894.952146][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9894.952146][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9894.952146][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9894.952146][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9894.952146][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9894.952146][ T10] addrconf_dad_begin+0x310/0x670 [ 9894.952146][ T10] addrconf_dad_work+0x10b/0xab0 [ 9894.952146][ T10] process_one_work+0x84d/0x18a0 [ 9894.952146][ T10] worker_thread+0x587/0xd30 [ 9894.952146][ T10] kthread+0x28a/0x350 [ 9894.952146][ T10] ret_from_fork+0x31/0x70 [ 9894.952146][ T10] ret_from_fork_asm+0x1a/0x30 [ 9894.952146][ T10] [ 9894.954042][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9894.954042][ T10] netdev_get_by_index+0x5e/0x80 [ 9894.954042][ T10] fib6_nh_init+0x3d8/0x1580 [ 9894.954042][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9894.954042][ T10] ip6_route_add+0x1c/0x140 [ 9894.954042][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9894.954042][ T10] inet6_addr_add+0x4f8/0xa40 [ 9894.954042][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9894.954042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9894.954042][ T10] netlink_rcv_skb+0x130/0x360 [ 9894.954042][ T10] netlink_unicast+0x449/0x710 [ 9894.954042][ T10] netlink_sendmsg+0x723/0xbe0 [ 9894.954042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9894.954042][ T10] ___sys_sendmsg+0xee/0x170 [ 9894.954042][ T10] __sys_sendmsg+0xcd/0x170 [ 9894.954042][ T10] do_syscall_64+0xc6/0x1e0 [ 9894.954042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9894.954042][ T10] [ 9894.956202][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9894.956202][ T10] netdev_get_by_index+0x5e/0x80 [ 9894.956202][ T10] fib6_nh_init+0x3d8/0x1580 [ 9894.956202][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9894.956202][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9894.956202][ T10] ipv6_add_addr+0x411/0x2000 [ 9894.956202][ T10] inet6_addr_add+0x30e/0xa40 [ 9894.956202][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9894.956202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9894.956202][ T10] netlink_rcv_skb+0x130/0x360 [ 9894.956202][ T10] netlink_unicast+0x449/0x710 [ 9894.956202][ T10] netlink_sendmsg+0x723/0xbe0 [ 9894.956202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9894.956202][ T10] ___sys_sendmsg+0xee/0x170 [ 9894.956202][ T10] __sys_sendmsg+0xcd/0x170 [ 9894.956202][ T10] do_syscall_64+0xc6/0x1e0 [ 9894.956202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9894.956202][ T10] [ 9894.958483][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9894.958483][ T10] netdev_get_by_index+0x5e/0x80 [ 9894.958483][ T10] fib6_nh_init+0x3d8/0x1580 [ 9894.958483][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9894.958483][ T10] ip6_route_add+0x1c/0x140 [ 9894.958483][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9894.958483][ T10] addrconf_add_dev+0xe2/0x170 [ 9894.958483][ T10] inet6_addr_add+0x12f/0xa40 [ 9894.958483][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9894.958483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9894.958483][ T10] netlink_rcv_skb+0x130/0x360 [ 9894.958483][ T10] netlink_unicast+0x449/0x710 [ 9894.958483][ T10] netlink_sendmsg+0x723/0xbe0 [ 9894.958483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9894.958483][ T10] ___sys_sendmsg+0xee/0x170 [ 9894.958483][ T10] __sys_sendmsg+0xcd/0x170 [ 9894.958483][ T10] do_syscall_64+0xc6/0x1e0 [ 9894.958483][ T10] [ 9894.960609][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9894.960609][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9894.960609][ T10] ipv6_find_idev+0x102/0x170 [ 9894.960609][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9894.960609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9894.960609][ T10] netlink_rcv_skb+0x130/0x360 [ 9894.960609][ T10] netlink_unicast+0x449/0x710 [ 9894.960609][ T10] netlink_sendmsg+0x723/0xbe0 [ 9894.960609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9894.960609][ T10] ___sys_sendmsg+0xee/0x170 [ 9894.960609][ T10] __sys_sendmsg+0xcd/0x170 [ 9894.960609][ T10] do_syscall_64+0xc6/0x1e0 [ 9894.960609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9894.960609][ T10] [ 9894.962326][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9894.962326][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9894.962326][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9894.962326][ T10] ipv6_find_idev+0x102/0x170 [ 9894.962326][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9894.962326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9894.962326][ T10] netlink_rcv_skb+0x130/0x360 [ 9894.962326][ T10] netlink_unicast+0x449/0x710 [ 9894.962326][ T10] netlink_sendmsg+0x723/0xbe0 [ 9894.962326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9894.962326][ T10] ___sys_sendmsg+0xee/0x170 [ 9894.962326][ T10] __sys_sendmsg+0xcd/0x170 [ 9894.962326][ T10] do_syscall_64+0xc6/0x1e0 [ 9894.962326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9894.962326][ T10] [ 9894.964693][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9894.964927][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9894.964927][ T10] netdev_get_by_index+0x5e/0x80 [ 9894.964927][ T10] fib6_nh_init+0x3d8/0x1580 [ 9894.964927][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9894.964927][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9894.964927][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9894.964927][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9894.964927][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9894.964927][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9894.964927][ T10] addrconf_dad_begin+0x310/0x670 [ 9894.964927][ T10] addrconf_dad_work+0x10b/0xab0 [ 9894.964927][ T10] process_one_work+0x84d/0x18a0 [ 9894.964927][ T10] worker_thread+0x587/0xd30 [ 9894.964927][ T10] kthread+0x28a/0x350 [ 9894.964927][ T10] ret_from_fork+0x31/0x70 [ 9894.964927][ T10] ret_from_fork_asm+0x1a/0x30 [ 9894.964927][ T10] [ 9894.967129][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9894.967129][ T10] netdev_get_by_index+0x5e/0x80 [ 9894.967129][ T10] fib6_nh_init+0x3d8/0x1580 [ 9894.967129][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9894.967129][ T10] ip6_route_add+0x1c/0x140 [ 9894.967129][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9894.967129][ T10] inet6_addr_add+0x4f8/0xa40 [ 9894.967129][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9894.967129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9894.967129][ T10] netlink_rcv_skb+0x130/0x360 [ 9894.967129][ T10] netlink_unicast+0x449/0x710 [ 9894.967129][ T10] netlink_sendmsg+0x723/0xbe0 [ 9894.967129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9894.967129][ T10] ___sys_sendmsg+0xee/0x170 [ 9894.967129][ T10] __sys_sendmsg+0xcd/0x170 [ 9894.967129][ T10] do_syscall_64+0xc6/0x1e0 [ 9894.967129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9894.967129][ T10] [ 9894.969281][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9894.969281][ T10] netdev_get_by_index+0x5e/0x80 [ 9894.969281][ T10] fib6_nh_init+0x3d8/0x1580 [ 9894.969281][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9894.969281][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9894.969281][ T10] ipv6_add_addr+0x411/0x2000 [ 9894.969281][ T10] inet6_addr_add+0x30e/0xa40 [ 9894.969281][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9894.969281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9894.969281][ T10] netlink_rcv_skb+0x130/0x360 [ 9894.969281][ T10] netlink_unicast+0x449/0x710 [ 9894.969281][ T10] netlink_sendmsg+0x723/0xbe0 [ 9894.969281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9894.969281][ T10] ___sys_sendmsg+0xee/0x170 [ 9894.969281][ T10] __sys_sendmsg+0xcd/0x170 [ 9894.969281][ T10] do_syscall_64+0xc6/0x1e0 [ 9894.969281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9894.969281][ T10] [ 9894.971496][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9894.971496][ T10] netdev_get_by_index+0x5e/0x80 [ 9894.971496][ T10] fib6_nh_init+0x3d8/0x1580 [ 9894.971496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9894.971496][ T10] ip6_route_add+0x1c/0x140 [ 9894.971496][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9894.971496][ T10] addrconf_add_dev+0xe2/0x170 [ 9894.971496][ T10] inet6_addr_add+0x12f/0xa40 [ 9894.971496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9894.971496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9894.971496][ T10] netlink_rcv_skb+0x130/0x360 [ 9894.971496][ T10] netlink_unicast+0x449/0x710 [ 9894.971496][ T10] netlink_sendmsg+0x723/0xbe0 [ 9894.971496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9894.971496][ T10] ___sys_sendmsg+0xee/0x170 [ 9894.971496][ T10] __sys_sendmsg+0xcd/0x170 [ 9894.971496][ T10] do_syscall_64+0xc6/0x1e0 [ 9894.971496][ T10] [ 9894.973684][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9894.973684][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9894.973684][ T10] ipv6_find_idev+0x102/0x170 [ 9894.973684][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9894.973684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9894.973684][ T10] netlink_rcv_skb+0x130/0x360 [ 9894.973684][ T10] netlink_unicast+0x449/0x710 [ 9894.973684][ T10] netlink_sendmsg+0x723/0xbe0 [ 9894.973684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9894.973684][ T10] ___sys_sendmsg+0xee/0x170 [ 9894.973684][ T10] __sys_sendmsg+0xcd/0x170 [ 9894.973684][ T10] do_syscall_64+0xc6/0x1e0 [ 9894.973684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9894.973684][ T10] [ 9894.975389][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9894.975389][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9894.975389][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9894.975389][ T10] ipv6_find_idev+0x102/0x170 [ 9894.975389][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9894.975389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9894.975389][ T10] netlink_rcv_skb+0x130/0x360 [ 9894.975389][ T10] netlink_unicast+0x449/0x710 [ 9894.975389][ T10] netlink_sendmsg+0x723/0xbe0 [ 9894.975389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9894.975389][ T10] ___sys_sendmsg+0xee/0x170 [ 9894.975389][ T10] __sys_sendmsg+0xcd/0x170 [ 9894.975389][ T10] do_syscall_64+0xc6/0x1e0 [ 9894.975389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9894.975389][ T10] [ 9897.489109][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9897.489590][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9897.489590][ T1167] dst_init+0x84/0x4a0 [ 9897.489590][ T1167] dst_alloc+0x97/0x150 [ 9897.489590][ T1167] ip6_dst_alloc+0x23/0x90 [ 9897.489590][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9897.489590][ T1167] ip6_pol_route+0x56f/0x840 [ 9897.489590][ T1167] fib6_rule_lookup+0x334/0x630 [ 9897.489590][ T1167] ip6_route_output_flags+0x259/0x480 [ 9897.489590][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9897.489590][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9897.489590][ T1167] netlink_rcv_skb+0x130/0x360 [ 9897.489590][ T1167] netlink_unicast+0x449/0x710 [ 9897.489590][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9897.489590][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9897.489590][ T1167] ___sys_sendmsg+0xee/0x170 [ 9897.489590][ T1167] __sys_sendmsg+0xcd/0x170 [ 9897.489590][ T1167] do_syscall_64+0xc6/0x1e0 [ 9897.489590][ T1167] [ 9897.491777][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9897.491777][ T1167] netdev_get_by_index+0x5e/0x80 [ 9897.491777][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9897.491777][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9897.491777][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9897.491777][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9897.491777][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9897.491777][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9897.491777][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9897.491777][ T1167] addrconf_dad_begin+0x310/0x670 [ 9897.491777][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9897.491777][ T1167] process_one_work+0x84d/0x18a0 [ 9897.491777][ T1167] worker_thread+0x587/0xd30 [ 9897.491777][ T1167] kthread+0x28a/0x350 [ 9897.491777][ T1167] ret_from_fork+0x31/0x70 [ 9897.491777][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9897.491777][ T1167] [ 9897.493947][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9897.493947][ T1167] netdev_get_by_index+0x5e/0x80 [ 9897.493947][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9897.493947][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9897.493947][ T1167] ip6_route_add+0x1c/0x140 [ 9897.493947][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9897.493947][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9897.493947][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9897.493947][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9897.493947][ T1167] netlink_rcv_skb+0x130/0x360 [ 9897.493947][ T1167] netlink_unicast+0x449/0x710 [ 9897.493947][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9897.493947][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9897.493947][ T1167] ___sys_sendmsg+0xee/0x170 [ 9897.493947][ T1167] __sys_sendmsg+0xcd/0x170 [ 9897.493947][ T1167] do_syscall_64+0xc6/0x1e0 [ 9897.493947][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9897.493947][ T1167] [ 9897.496180][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9897.496180][ T1167] netdev_get_by_index+0x5e/0x80 [ 9897.496180][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9897.496180][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9897.496180][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9897.496180][ T1167] ipv6_add_addr+0x411/0x2000 [ 9897.496180][ T1167] inet6_addr_add+0x30e/0xa40 [ 9897.496180][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9897.496180][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9897.496180][ T1167] netlink_rcv_skb+0x130/0x360 [ 9897.496180][ T1167] netlink_unicast+0x449/0x710 [ 9897.496180][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9897.496180][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9897.496180][ T1167] ___sys_sendmsg+0xee/0x170 [ 9897.496180][ T1167] __sys_sendmsg+0xcd/0x170 [ 9897.496180][ T1167] do_syscall_64+0xc6/0x1e0 [ 9897.496180][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9897.496180][ T1167] [ 9897.498411][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9897.498411][ T1167] netdev_get_by_index+0x5e/0x80 [ 9897.498411][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9897.498411][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9897.498411][ T1167] ip6_route_add+0x1c/0x140 [ 9897.498411][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9897.498411][ T1167] addrconf_add_dev+0xe2/0x170 [ 9897.498411][ T1167] inet6_addr_add+0x12f/0xa40 [ 9897.498411][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9897.498411][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9897.498411][ T1167] netlink_rcv_skb+0x130/0x360 [ 9897.498411][ T1167] netlink_unicast+0x449/0x710 [ 9897.498411][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9897.498411][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9897.498411][ T1167] ___sys_sendmsg+0xee/0x170 [ 9897.498411][ T1167] __sys_sendmsg+0xcd/0x170 [ 9897.498411][ T1167] do_syscall_64+0xc6/0x1e0 [ 9897.498411][ T1167] [ 9897.500602][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9897.500602][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9897.500602][ T1167] ipv6_find_idev+0x102/0x170 [ 9897.500602][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9897.500602][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9897.500602][ T1167] netlink_rcv_skb+0x130/0x360 [ 9897.500602][ T1167] netlink_unicast+0x449/0x710 [ 9897.500602][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9897.500602][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9897.500602][ T1167] ___sys_sendmsg+0xee/0x170 [ 9897.500602][ T1167] __sys_sendmsg+0xcd/0x170 [ 9897.500602][ T1167] do_syscall_64+0xc6/0x1e0 [ 9897.500602][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9897.500602][ T1167] [ 9897.502324][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9897.502324][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9897.502324][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9897.502324][ T1167] ipv6_find_idev+0x102/0x170 [ 9897.502324][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9897.502324][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9897.502324][ T1167] netlink_rcv_skb+0x130/0x360 [ 9897.502324][ T1167] netlink_unicast+0x449/0x710 [ 9897.502324][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9897.502324][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9897.502324][ T1167] ___sys_sendmsg+0xee/0x170 [ 9897.502324][ T1167] __sys_sendmsg+0xcd/0x170 [ 9897.502324][ T1167] do_syscall_64+0xc6/0x1e0 [ 9897.502324][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9897.502324][ T1167] [ 9905.217113][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9905.217534][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9905.217534][ T10] netdev_get_by_index+0x5e/0x80 [ 9905.217534][ T10] fib6_nh_init+0x3d8/0x1580 [ 9905.217534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9905.217534][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9905.217534][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9905.217534][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9905.217534][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9905.217534][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9905.217534][ T10] addrconf_dad_begin+0x310/0x670 [ 9905.217534][ T10] addrconf_dad_work+0x10b/0xab0 [ 9905.217534][ T10] process_one_work+0x84d/0x18a0 [ 9905.217534][ T10] worker_thread+0x587/0xd30 [ 9905.217534][ T10] kthread+0x28a/0x350 [ 9905.217534][ T10] ret_from_fork+0x31/0x70 [ 9905.217534][ T10] ret_from_fork_asm+0x1a/0x30 [ 9905.217534][ T10] [ 9905.219455][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9905.219455][ T10] netdev_get_by_index+0x5e/0x80 [ 9905.219455][ T10] fib6_nh_init+0x3d8/0x1580 [ 9905.219455][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9905.219455][ T10] ip6_route_add+0x1c/0x140 [ 9905.219455][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9905.219455][ T10] inet6_addr_add+0x4f8/0xa40 [ 9905.219455][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9905.219455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9905.219455][ T10] netlink_rcv_skb+0x130/0x360 [ 9905.219455][ T10] netlink_unicast+0x449/0x710 [ 9905.219455][ T10] netlink_sendmsg+0x723/0xbe0 [ 9905.219455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9905.219455][ T10] ___sys_sendmsg+0xee/0x170 [ 9905.219455][ T10] __sys_sendmsg+0xcd/0x170 [ 9905.219455][ T10] do_syscall_64+0xc6/0x1e0 [ 9905.219455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9905.219455][ T10] [ 9905.221449][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9905.221449][ T10] netdev_get_by_index+0x5e/0x80 [ 9905.221449][ T10] fib6_nh_init+0x3d8/0x1580 [ 9905.221449][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9905.221449][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9905.221449][ T10] ipv6_add_addr+0x411/0x2000 [ 9905.221449][ T10] inet6_addr_add+0x30e/0xa40 [ 9905.221449][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9905.221449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9905.221449][ T10] netlink_rcv_skb+0x130/0x360 [ 9905.221449][ T10] netlink_unicast+0x449/0x710 [ 9905.221449][ T10] netlink_sendmsg+0x723/0xbe0 [ 9905.221449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9905.221449][ T10] ___sys_sendmsg+0xee/0x170 [ 9905.221449][ T10] __sys_sendmsg+0xcd/0x170 [ 9905.221449][ T10] do_syscall_64+0xc6/0x1e0 [ 9905.221449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9905.221449][ T10] [ 9905.223433][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9905.223433][ T10] netdev_get_by_index+0x5e/0x80 [ 9905.223433][ T10] fib6_nh_init+0x3d8/0x1580 [ 9905.223433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9905.223433][ T10] ip6_route_add+0x1c/0x140 [ 9905.223433][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9905.223433][ T10] addrconf_add_dev+0xe2/0x170 [ 9905.223433][ T10] inet6_addr_add+0x12f/0xa40 [ 9905.223433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9905.223433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9905.223433][ T10] netlink_rcv_skb+0x130/0x360 [ 9905.223433][ T10] netlink_unicast+0x449/0x710 [ 9905.223433][ T10] netlink_sendmsg+0x723/0xbe0 [ 9905.223433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9905.223433][ T10] ___sys_sendmsg+0xee/0x170 [ 9905.223433][ T10] __sys_sendmsg+0xcd/0x170 [ 9905.223433][ T10] do_syscall_64+0xc6/0x1e0 [ 9905.223433][ T10] [ 9905.225388][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9905.225388][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9905.225388][ T10] ipv6_find_idev+0x102/0x170 [ 9905.225388][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9905.225388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9905.225388][ T10] netlink_rcv_skb+0x130/0x360 [ 9905.225388][ T10] netlink_unicast+0x449/0x710 [ 9905.225388][ T10] netlink_sendmsg+0x723/0xbe0 [ 9905.225388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9905.225388][ T10] ___sys_sendmsg+0xee/0x170 [ 9905.225388][ T10] __sys_sendmsg+0xcd/0x170 [ 9905.225388][ T10] do_syscall_64+0xc6/0x1e0 [ 9905.225388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9905.225388][ T10] [ 9905.226917][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9905.226917][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9905.226917][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9905.226917][ T10] ipv6_find_idev+0x102/0x170 [ 9905.226917][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9905.226917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9905.226917][ T10] netlink_rcv_skb+0x130/0x360 [ 9905.226917][ T10] netlink_unicast+0x449/0x710 [ 9905.226917][ T10] netlink_sendmsg+0x723/0xbe0 [ 9905.226917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9905.226917][ T10] ___sys_sendmsg+0xee/0x170 [ 9905.226917][ T10] __sys_sendmsg+0xcd/0x170 [ 9905.226917][ T10] do_syscall_64+0xc6/0x1e0 [ 9905.226917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9905.226917][ T10] [ 9905.228593][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9905.228830][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9905.228830][ T10] netdev_get_by_index+0x5e/0x80 [ 9905.228830][ T10] fib6_nh_init+0x3d8/0x1580 [ 9905.228830][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9905.228830][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9905.228830][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9905.228830][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9905.228830][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9905.228830][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9905.228830][ T10] addrconf_dad_begin+0x310/0x670 [ 9905.228830][ T10] addrconf_dad_work+0x10b/0xab0 [ 9905.228830][ T10] process_one_work+0x84d/0x18a0 [ 9905.228830][ T10] worker_thread+0x587/0xd30 [ 9905.228830][ T10] kthread+0x28a/0x350 [ 9905.228830][ T10] ret_from_fork+0x31/0x70 [ 9905.228830][ T10] ret_from_fork_asm+0x1a/0x30 [ 9905.228830][ T10] [ 9905.230726][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9905.230726][ T10] netdev_get_by_index+0x5e/0x80 [ 9905.230726][ T10] fib6_nh_init+0x3d8/0x1580 [ 9905.230726][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9905.230726][ T10] ip6_route_add+0x1c/0x140 [ 9905.230726][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9905.230726][ T10] inet6_addr_add+0x4f8/0xa40 [ 9905.230726][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9905.230726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9905.230726][ T10] netlink_rcv_skb+0x130/0x360 [ 9905.230726][ T10] netlink_unicast+0x449/0x710 [ 9905.230726][ T10] netlink_sendmsg+0x723/0xbe0 [ 9905.230726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9905.230726][ T10] ___sys_sendmsg+0xee/0x170 [ 9905.230726][ T10] __sys_sendmsg+0xcd/0x170 [ 9905.230726][ T10] do_syscall_64+0xc6/0x1e0 [ 9905.230726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9905.230726][ T10] [ 9905.232713][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9905.232713][ T10] netdev_get_by_index+0x5e/0x80 [ 9905.232713][ T10] fib6_nh_init+0x3d8/0x1580 [ 9905.232713][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9905.232713][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9905.232713][ T10] ipv6_add_addr+0x411/0x2000 [ 9905.232713][ T10] inet6_addr_add+0x30e/0xa40 [ 9905.232713][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9905.232713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9905.232713][ T10] netlink_rcv_skb+0x130/0x360 [ 9905.232713][ T10] netlink_unicast+0x449/0x710 [ 9905.232713][ T10] netlink_sendmsg+0x723/0xbe0 [ 9905.232713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9905.232713][ T10] ___sys_sendmsg+0xee/0x170 [ 9905.232713][ T10] __sys_sendmsg+0xcd/0x170 [ 9905.232713][ T10] do_syscall_64+0xc6/0x1e0 [ 9905.232713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9905.232713][ T10] [ 9905.234695][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9905.234695][ T10] netdev_get_by_index+0x5e/0x80 [ 9905.234695][ T10] fib6_nh_init+0x3d8/0x1580 [ 9905.234695][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9905.234695][ T10] ip6_route_add+0x1c/0x140 [ 9905.234695][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9905.234695][ T10] addrconf_add_dev+0xe2/0x170 [ 9905.234695][ T10] inet6_addr_add+0x12f/0xa40 [ 9905.234695][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9905.234695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9905.234695][ T10] netlink_rcv_skb+0x130/0x360 [ 9905.234695][ T10] netlink_unicast+0x449/0x710 [ 9905.234695][ T10] netlink_sendmsg+0x723/0xbe0 [ 9905.234695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9905.234695][ T10] ___sys_sendmsg+0xee/0x170 [ 9905.234695][ T10] __sys_sendmsg+0xcd/0x170 [ 9905.234695][ T10] do_syscall_64+0xc6/0x1e0 [ 9905.234695][ T10] [ 9905.236640][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9905.236640][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9905.236640][ T10] ipv6_find_idev+0x102/0x170 [ 9905.236640][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9905.236640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9905.236640][ T10] netlink_rcv_skb+0x130/0x360 [ 9905.236640][ T10] netlink_unicast+0x449/0x710 [ 9905.236640][ T10] netlink_sendmsg+0x723/0xbe0 [ 9905.236640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9905.236640][ T10] ___sys_sendmsg+0xee/0x170 [ 9905.236640][ T10] __sys_sendmsg+0xcd/0x170 [ 9905.236640][ T10] do_syscall_64+0xc6/0x1e0 [ 9905.236640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9905.236640][ T10] [ 9905.238176][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9905.238176][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9905.238176][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9905.238176][ T10] ipv6_find_idev+0x102/0x170 [ 9905.238176][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9905.238176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9905.238176][ T10] netlink_rcv_skb+0x130/0x360 [ 9905.238176][ T10] netlink_unicast+0x449/0x710 [ 9905.238176][ T10] netlink_sendmsg+0x723/0xbe0 [ 9905.238176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9905.238176][ T10] ___sys_sendmsg+0xee/0x170 [ 9905.238176][ T10] __sys_sendmsg+0xcd/0x170 [ 9905.238176][ T10] do_syscall_64+0xc6/0x1e0 [ 9905.238176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9905.238176][ T10] [ 9905.239839][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9905.240084][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9905.240084][ T10] netdev_get_by_index+0x5e/0x80 [ 9905.240084][ T10] fib6_nh_init+0x3d8/0x1580 [ 9905.240084][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9905.240084][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9905.240084][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9905.240084][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9905.240084][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9905.240084][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9905.240084][ T10] addrconf_dad_begin+0x310/0x670 [ 9905.240084][ T10] addrconf_dad_work+0x10b/0xab0 [ 9905.240084][ T10] process_one_work+0x84d/0x18a0 [ 9905.240084][ T10] worker_thread+0x587/0xd30 [ 9905.240084][ T10] kthread+0x28a/0x350 [ 9905.240084][ T10] ret_from_fork+0x31/0x70 [ 9905.240084][ T10] ret_from_fork_asm+0x1a/0x30 [ 9905.240084][ T10] [ 9905.241992][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9905.241992][ T10] netdev_get_by_index+0x5e/0x80 [ 9905.241992][ T10] fib6_nh_init+0x3d8/0x1580 [ 9905.241992][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9905.241992][ T10] ip6_route_add+0x1c/0x140 [ 9905.241992][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9905.241992][ T10] inet6_addr_add+0x4f8/0xa40 [ 9905.241992][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9905.241992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9905.241992][ T10] netlink_rcv_skb+0x130/0x360 [ 9905.241992][ T10] netlink_unicast+0x449/0x710 [ 9905.241992][ T10] netlink_sendmsg+0x723/0xbe0 [ 9905.241992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9905.241992][ T10] ___sys_sendmsg+0xee/0x170 [ 9905.241992][ T10] __sys_sendmsg+0xcd/0x170 [ 9905.241992][ T10] do_syscall_64+0xc6/0x1e0 [ 9905.241992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9905.241992][ T10] [ 9905.244104][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9905.244104][ T10] netdev_get_by_index+0x5e/0x80 [ 9905.244104][ T10] fib6_nh_init+0x3d8/0x1580 [ 9905.244104][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9905.244104][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9905.244104][ T10] ipv6_add_addr+0x411/0x2000 [ 9905.244104][ T10] inet6_addr_add+0x30e/0xa40 [ 9905.244104][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9905.244104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9905.244104][ T10] netlink_rcv_skb+0x130/0x360 [ 9905.244104][ T10] netlink_unicast+0x449/0x710 [ 9905.244104][ T10] netlink_sendmsg+0x723/0xbe0 [ 9905.244104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9905.244104][ T10] ___sys_sendmsg+0xee/0x170 [ 9905.244104][ T10] __sys_sendmsg+0xcd/0x170 [ 9905.244104][ T10] do_syscall_64+0xc6/0x1e0 [ 9905.244104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9905.244104][ T10] [ 9905.246219][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9905.246219][ T10] netdev_get_by_index+0x5e/0x80 [ 9905.246219][ T10] fib6_nh_init+0x3d8/0x1580 [ 9905.246219][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9905.246219][ T10] ip6_route_add+0x1c/0x140 [ 9905.246219][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9905.246219][ T10] addrconf_add_dev+0xe2/0x170 [ 9905.246219][ T10] inet6_addr_add+0x12f/0xa40 [ 9905.246219][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9905.246219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9905.246219][ T10] netlink_rcv_skb+0x130/0x360 [ 9905.246219][ T10] netlink_unicast+0x449/0x710 [ 9905.246219][ T10] netlink_sendmsg+0x723/0xbe0 [ 9905.246219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9905.246219][ T10] ___sys_sendmsg+0xee/0x170 [ 9905.246219][ T10] __sys_sendmsg+0xcd/0x170 [ 9905.246219][ T10] do_syscall_64+0xc6/0x1e0 [ 9905.246219][ T10] [ 9905.248289][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9905.248289][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9905.248289][ T10] ipv6_find_idev+0x102/0x170 [ 9905.248289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9905.248289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9905.248289][ T10] netlink_rcv_skb+0x130/0x360 [ 9905.248289][ T10] netlink_unicast+0x449/0x710 [ 9905.248289][ T10] netlink_sendmsg+0x723/0xbe0 [ 9905.248289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9905.248289][ T10] ___sys_sendmsg+0xee/0x170 [ 9905.248289][ T10] __sys_sendmsg+0xcd/0x170 [ 9905.248289][ T10] do_syscall_64+0xc6/0x1e0 [ 9905.248289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9905.248289][ T10] [ 9905.249888][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9905.249888][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9905.249888][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9905.249888][ T10] ipv6_find_idev+0x102/0x170 [ 9905.249888][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9905.249888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9905.249888][ T10] netlink_rcv_skb+0x130/0x360 [ 9905.249888][ T10] netlink_unicast+0x449/0x710 [ 9905.249888][ T10] netlink_sendmsg+0x723/0xbe0 [ 9905.249888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9905.249888][ T10] ___sys_sendmsg+0xee/0x170 [ 9905.249888][ T10] __sys_sendmsg+0xcd/0x170 [ 9905.249888][ T10] do_syscall_64+0xc6/0x1e0 [ 9905.249888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9905.249888][ T10] [ 9905.251686][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9905.251933][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9905.251933][ T10] netdev_get_by_index+0x5e/0x80 [ 9905.251933][ T10] fib6_nh_init+0x3d8/0x1580 [ 9905.251933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9905.251933][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9905.251933][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9905.251933][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9905.251933][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9905.251933][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9905.251933][ T10] addrconf_dad_begin+0x310/0x670 [ 9905.251933][ T10] addrconf_dad_work+0x10b/0xab0 [ 9905.251933][ T10] process_one_work+0x84d/0x18a0 [ 9905.251933][ T10] worker_thread+0x587/0xd30 [ 9905.251933][ T10] kthread+0x28a/0x350 [ 9905.251933][ T10] ret_from_fork+0x31/0x70 [ 9905.251933][ T10] ret_from_fork_asm+0x1a/0x30 [ 9905.251933][ T10] [ 9905.253949][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9905.253949][ T10] netdev_get_by_index+0x5e/0x80 [ 9905.253949][ T10] fib6_nh_init+0x3d8/0x1580 [ 9905.253949][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9905.253949][ T10] ip6_route_add+0x1c/0x140 [ 9905.253949][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9905.253949][ T10] inet6_addr_add+0x4f8/0xa40 [ 9905.253949][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9905.253949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9905.253949][ T10] netlink_rcv_skb+0x130/0x360 [ 9905.253949][ T10] netlink_unicast+0x449/0x710 [ 9905.253949][ T10] netlink_sendmsg+0x723/0xbe0 [ 9905.253949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9905.253949][ T10] ___sys_sendmsg+0xee/0x170 [ 9905.253949][ T10] __sys_sendmsg+0xcd/0x170 [ 9905.253949][ T10] do_syscall_64+0xc6/0x1e0 [ 9905.253949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9905.253949][ T10] [ 9905.256060][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9905.256060][ T10] netdev_get_by_index+0x5e/0x80 [ 9905.256060][ T10] fib6_nh_init+0x3d8/0x1580 [ 9905.256060][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9905.256060][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9905.256060][ T10] ipv6_add_addr+0x411/0x2000 [ 9905.256060][ T10] inet6_addr_add+0x30e/0xa40 [ 9905.256060][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9905.256060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9905.256060][ T10] netlink_rcv_skb+0x130/0x360 [ 9905.256060][ T10] netlink_unicast+0x449/0x710 [ 9905.256060][ T10] netlink_sendmsg+0x723/0xbe0 [ 9905.256060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9905.256060][ T10] ___sys_sendmsg+0xee/0x170 [ 9905.256060][ T10] __sys_sendmsg+0xcd/0x170 [ 9905.256060][ T10] do_syscall_64+0xc6/0x1e0 [ 9905.256060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9905.256060][ T10] [ 9905.258168][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9905.258168][ T10] netdev_get_by_index+0x5e/0x80 [ 9905.258168][ T10] fib6_nh_init+0x3d8/0x1580 [ 9905.258168][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9905.258168][ T10] ip6_route_add+0x1c/0x140 [ 9905.258168][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9905.258168][ T10] addrconf_add_dev+0xe2/0x170 [ 9905.258168][ T10] inet6_addr_add+0x12f/0xa40 [ 9905.258168][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9905.258168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9905.258168][ T10] netlink_rcv_skb+0x130/0x360 [ 9905.258168][ T10] netlink_unicast+0x449/0x710 [ 9905.258168][ T10] netlink_sendmsg+0x723/0xbe0 [ 9905.258168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9905.258168][ T10] ___sys_sendmsg+0xee/0x170 [ 9905.258168][ T10] __sys_sendmsg+0xcd/0x170 [ 9905.258168][ T10] do_syscall_64+0xc6/0x1e0 [ 9905.258168][ T10] [ 9905.260244][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9905.260244][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9905.260244][ T10] ipv6_find_idev+0x102/0x170 [ 9905.260244][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9905.260244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9905.260244][ T10] netlink_rcv_skb+0x130/0x360 [ 9905.260244][ T10] netlink_unicast+0x449/0x710 [ 9905.260244][ T10] netlink_sendmsg+0x723/0xbe0 [ 9905.260244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9905.260244][ T10] ___sys_sendmsg+0xee/0x170 [ 9905.260244][ T10] __sys_sendmsg+0xcd/0x170 [ 9905.260244][ T10] do_syscall_64+0xc6/0x1e0 [ 9905.260244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9905.260244][ T10] [ 9905.261847][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9905.261847][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9905.261847][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9905.261847][ T10] ipv6_find_idev+0x102/0x170 [ 9905.261847][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9905.261847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9905.261847][ T10] netlink_rcv_skb+0x130/0x360 [ 9905.261847][ T10] netlink_unicast+0x449/0x710 [ 9905.261847][ T10] netlink_sendmsg+0x723/0xbe0 [ 9905.261847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9905.261847][ T10] ___sys_sendmsg+0xee/0x170 [ 9905.261847][ T10] __sys_sendmsg+0xcd/0x170 [ 9905.261847][ T10] do_syscall_64+0xc6/0x1e0 [ 9905.261847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9905.261847][ T10] [ 9907.745132][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9907.745619][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9907.745619][ T1167] dst_init+0x84/0x4a0 [ 9907.745619][ T1167] dst_alloc+0x97/0x150 [ 9907.745619][ T1167] ip6_dst_alloc+0x23/0x90 [ 9907.745619][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9907.745619][ T1167] ip6_pol_route+0x56f/0x840 [ 9907.745619][ T1167] fib6_rule_lookup+0x334/0x630 [ 9907.745619][ T1167] ip6_route_output_flags+0x259/0x480 [ 9907.745619][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9907.745619][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9907.745619][ T1167] netlink_rcv_skb+0x130/0x360 [ 9907.745619][ T1167] netlink_unicast+0x449/0x710 [ 9907.745619][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9907.745619][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9907.745619][ T1167] ___sys_sendmsg+0xee/0x170 [ 9907.745619][ T1167] __sys_sendmsg+0xcd/0x170 [ 9907.745619][ T1167] do_syscall_64+0xc6/0x1e0 [ 9907.745619][ T1167] [ 9907.747828][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9907.747828][ T1167] netdev_get_by_index+0x5e/0x80 [ 9907.747828][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9907.747828][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9907.747828][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9907.747828][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9907.747828][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9907.747828][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9907.747828][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9907.747828][ T1167] addrconf_dad_begin+0x310/0x670 [ 9907.747828][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9907.747828][ T1167] process_one_work+0x84d/0x18a0 [ 9907.747828][ T1167] worker_thread+0x587/0xd30 [ 9907.747828][ T1167] kthread+0x28a/0x350 [ 9907.747828][ T1167] ret_from_fork+0x31/0x70 [ 9907.747828][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9907.747828][ T1167] [ 9907.749988][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9907.749988][ T1167] netdev_get_by_index+0x5e/0x80 [ 9907.749988][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9907.749988][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9907.749988][ T1167] ip6_route_add+0x1c/0x140 [ 9907.749988][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9907.749988][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9907.749988][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9907.749988][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9907.749988][ T1167] netlink_rcv_skb+0x130/0x360 [ 9907.749988][ T1167] netlink_unicast+0x449/0x710 [ 9907.749988][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9907.749988][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9907.749988][ T1167] ___sys_sendmsg+0xee/0x170 [ 9907.749988][ T1167] __sys_sendmsg+0xcd/0x170 [ 9907.749988][ T1167] do_syscall_64+0xc6/0x1e0 [ 9907.749988][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9907.749988][ T1167] [ 9907.752257][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9907.752257][ T1167] netdev_get_by_index+0x5e/0x80 [ 9907.752257][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9907.752257][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9907.752257][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9907.752257][ T1167] ipv6_add_addr+0x411/0x2000 [ 9907.752257][ T1167] inet6_addr_add+0x30e/0xa40 [ 9907.752257][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9907.752257][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9907.752257][ T1167] netlink_rcv_skb+0x130/0x360 [ 9907.752257][ T1167] netlink_unicast+0x449/0x710 [ 9907.752257][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9907.752257][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9907.752257][ T1167] ___sys_sendmsg+0xee/0x170 [ 9907.752257][ T1167] __sys_sendmsg+0xcd/0x170 [ 9907.752257][ T1167] do_syscall_64+0xc6/0x1e0 [ 9907.752257][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9907.752257][ T1167] [ 9907.754520][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9907.754520][ T1167] netdev_get_by_index+0x5e/0x80 [ 9907.754520][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9907.754520][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9907.754520][ T1167] ip6_route_add+0x1c/0x140 [ 9907.754520][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9907.754520][ T1167] addrconf_add_dev+0xe2/0x170 [ 9907.754520][ T1167] inet6_addr_add+0x12f/0xa40 [ 9907.754520][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9907.754520][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9907.754520][ T1167] netlink_rcv_skb+0x130/0x360 [ 9907.754520][ T1167] netlink_unicast+0x449/0x710 [ 9907.754520][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9907.754520][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9907.754520][ T1167] ___sys_sendmsg+0xee/0x170 [ 9907.754520][ T1167] __sys_sendmsg+0xcd/0x170 [ 9907.754520][ T1167] do_syscall_64+0xc6/0x1e0 [ 9907.754520][ T1167] [ 9907.756732][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9907.756732][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9907.756732][ T1167] ipv6_find_idev+0x102/0x170 [ 9907.756732][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9907.756732][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9907.756732][ T1167] netlink_rcv_skb+0x130/0x360 [ 9907.756732][ T1167] netlink_unicast+0x449/0x710 [ 9907.756732][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9907.756732][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9907.756732][ T1167] ___sys_sendmsg+0xee/0x170 [ 9907.756732][ T1167] __sys_sendmsg+0xcd/0x170 [ 9907.756732][ T1167] do_syscall_64+0xc6/0x1e0 [ 9907.756732][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9907.756732][ T1167] [ 9907.758468][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9907.758468][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9907.758468][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9907.758468][ T1167] ipv6_find_idev+0x102/0x170 [ 9907.758468][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9907.758468][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9907.758468][ T1167] netlink_rcv_skb+0x130/0x360 [ 9907.758468][ T1167] netlink_unicast+0x449/0x710 [ 9907.758468][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9907.758468][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9907.758468][ T1167] ___sys_sendmsg+0xee/0x170 [ 9907.758468][ T1167] __sys_sendmsg+0xcd/0x170 [ 9907.758468][ T1167] do_syscall_64+0xc6/0x1e0 [ 9907.758468][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9907.758468][ T1167] [ 9915.305101][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9915.305519][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9915.305519][ T10] netdev_get_by_index+0x5e/0x80 [ 9915.305519][ T10] fib6_nh_init+0x3d8/0x1580 [ 9915.305519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9915.305519][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9915.305519][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9915.305519][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9915.305519][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9915.305519][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9915.305519][ T10] addrconf_dad_begin+0x310/0x670 [ 9915.305519][ T10] addrconf_dad_work+0x10b/0xab0 [ 9915.305519][ T10] process_one_work+0x84d/0x18a0 [ 9915.305519][ T10] worker_thread+0x587/0xd30 [ 9915.305519][ T10] kthread+0x28a/0x350 [ 9915.305519][ T10] ret_from_fork+0x31/0x70 [ 9915.305519][ T10] ret_from_fork_asm+0x1a/0x30 [ 9915.305519][ T10] [ 9915.307443][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9915.307443][ T10] netdev_get_by_index+0x5e/0x80 [ 9915.307443][ T10] fib6_nh_init+0x3d8/0x1580 [ 9915.307443][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9915.307443][ T10] ip6_route_add+0x1c/0x140 [ 9915.307443][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9915.307443][ T10] inet6_addr_add+0x4f8/0xa40 [ 9915.307443][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9915.307443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9915.307443][ T10] netlink_rcv_skb+0x130/0x360 [ 9915.307443][ T10] netlink_unicast+0x449/0x710 [ 9915.307443][ T10] netlink_sendmsg+0x723/0xbe0 [ 9915.307443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9915.307443][ T10] ___sys_sendmsg+0xee/0x170 [ 9915.307443][ T10] __sys_sendmsg+0xcd/0x170 [ 9915.307443][ T10] do_syscall_64+0xc6/0x1e0 [ 9915.307443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9915.307443][ T10] [ 9915.309440][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9915.309440][ T10] netdev_get_by_index+0x5e/0x80 [ 9915.309440][ T10] fib6_nh_init+0x3d8/0x1580 [ 9915.309440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9915.309440][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9915.309440][ T10] ipv6_add_addr+0x411/0x2000 [ 9915.309440][ T10] inet6_addr_add+0x30e/0xa40 [ 9915.309440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9915.309440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9915.309440][ T10] netlink_rcv_skb+0x130/0x360 [ 9915.309440][ T10] netlink_unicast+0x449/0x710 [ 9915.309440][ T10] netlink_sendmsg+0x723/0xbe0 [ 9915.309440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9915.309440][ T10] ___sys_sendmsg+0xee/0x170 [ 9915.309440][ T10] __sys_sendmsg+0xcd/0x170 [ 9915.309440][ T10] do_syscall_64+0xc6/0x1e0 [ 9915.309440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9915.309440][ T10] [ 9915.311435][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9915.311435][ T10] netdev_get_by_index+0x5e/0x80 [ 9915.311435][ T10] fib6_nh_init+0x3d8/0x1580 [ 9915.311435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9915.311435][ T10] ip6_route_add+0x1c/0x140 [ 9915.311435][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9915.311435][ T10] addrconf_add_dev+0xe2/0x170 [ 9915.311435][ T10] inet6_addr_add+0x12f/0xa40 [ 9915.311435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9915.311435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9915.311435][ T10] netlink_rcv_skb+0x130/0x360 [ 9915.311435][ T10] netlink_unicast+0x449/0x710 [ 9915.311435][ T10] netlink_sendmsg+0x723/0xbe0 [ 9915.311435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9915.311435][ T10] ___sys_sendmsg+0xee/0x170 [ 9915.311435][ T10] __sys_sendmsg+0xcd/0x170 [ 9915.311435][ T10] do_syscall_64+0xc6/0x1e0 [ 9915.311435][ T10] [ 9915.313397][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9915.313397][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9915.313397][ T10] ipv6_find_idev+0x102/0x170 [ 9915.313397][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9915.313397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9915.313397][ T10] netlink_rcv_skb+0x130/0x360 [ 9915.313397][ T10] netlink_unicast+0x449/0x710 [ 9915.313397][ T10] netlink_sendmsg+0x723/0xbe0 [ 9915.313397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9915.313397][ T10] ___sys_sendmsg+0xee/0x170 [ 9915.313397][ T10] __sys_sendmsg+0xcd/0x170 [ 9915.313397][ T10] do_syscall_64+0xc6/0x1e0 [ 9915.313397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9915.313397][ T10] [ 9915.314925][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9915.314925][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9915.314925][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9915.314925][ T10] ipv6_find_idev+0x102/0x170 [ 9915.314925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9915.314925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9915.314925][ T10] netlink_rcv_skb+0x130/0x360 [ 9915.314925][ T10] netlink_unicast+0x449/0x710 [ 9915.314925][ T10] netlink_sendmsg+0x723/0xbe0 [ 9915.314925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9915.314925][ T10] ___sys_sendmsg+0xee/0x170 [ 9915.314925][ T10] __sys_sendmsg+0xcd/0x170 [ 9915.314925][ T10] do_syscall_64+0xc6/0x1e0 [ 9915.314925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9915.314925][ T10] [ 9915.316614][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9915.316855][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9915.316855][ T10] netdev_get_by_index+0x5e/0x80 [ 9915.316855][ T10] fib6_nh_init+0x3d8/0x1580 [ 9915.316855][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9915.316855][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9915.316855][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9915.316855][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9915.316855][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9915.316855][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9915.316855][ T10] addrconf_dad_begin+0x310/0x670 [ 9915.316855][ T10] addrconf_dad_work+0x10b/0xab0 [ 9915.316855][ T10] process_one_work+0x84d/0x18a0 [ 9915.316855][ T10] worker_thread+0x587/0xd30 [ 9915.316855][ T10] kthread+0x28a/0x350 [ 9915.316855][ T10] ret_from_fork+0x31/0x70 [ 9915.316855][ T10] ret_from_fork_asm+0x1a/0x30 [ 9915.316855][ T10] [ 9915.318753][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9915.318753][ T10] netdev_get_by_index+0x5e/0x80 [ 9915.318753][ T10] fib6_nh_init+0x3d8/0x1580 [ 9915.318753][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9915.318753][ T10] ip6_route_add+0x1c/0x140 [ 9915.318753][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9915.318753][ T10] inet6_addr_add+0x4f8/0xa40 [ 9915.318753][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9915.318753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9915.318753][ T10] netlink_rcv_skb+0x130/0x360 [ 9915.318753][ T10] netlink_unicast+0x449/0x710 [ 9915.318753][ T10] netlink_sendmsg+0x723/0xbe0 [ 9915.318753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9915.318753][ T10] ___sys_sendmsg+0xee/0x170 [ 9915.318753][ T10] __sys_sendmsg+0xcd/0x170 [ 9915.318753][ T10] do_syscall_64+0xc6/0x1e0 [ 9915.318753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9915.318753][ T10] [ 9915.320808][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9915.320808][ T10] netdev_get_by_index+0x5e/0x80 [ 9915.320808][ T10] fib6_nh_init+0x3d8/0x1580 [ 9915.320808][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9915.320808][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9915.320808][ T10] ipv6_add_addr+0x411/0x2000 [ 9915.320808][ T10] inet6_addr_add+0x30e/0xa40 [ 9915.320808][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9915.320808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9915.320808][ T10] netlink_rcv_skb+0x130/0x360 [ 9915.320808][ T10] netlink_unicast+0x449/0x710 [ 9915.320808][ T10] netlink_sendmsg+0x723/0xbe0 [ 9915.320808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9915.320808][ T10] ___sys_sendmsg+0xee/0x170 [ 9915.320808][ T10] __sys_sendmsg+0xcd/0x170 [ 9915.320808][ T10] do_syscall_64+0xc6/0x1e0 [ 9915.320808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9915.320808][ T10] [ 9915.322807][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9915.322807][ T10] netdev_get_by_index+0x5e/0x80 [ 9915.322807][ T10] fib6_nh_init+0x3d8/0x1580 [ 9915.322807][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9915.322807][ T10] ip6_route_add+0x1c/0x140 [ 9915.322807][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9915.322807][ T10] addrconf_add_dev+0xe2/0x170 [ 9915.322807][ T10] inet6_addr_add+0x12f/0xa40 [ 9915.322807][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9915.322807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9915.322807][ T10] netlink_rcv_skb+0x130/0x360 [ 9915.322807][ T10] netlink_unicast+0x449/0x710 [ 9915.322807][ T10] netlink_sendmsg+0x723/0xbe0 [ 9915.322807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9915.322807][ T10] ___sys_sendmsg+0xee/0x170 [ 9915.322807][ T10] __sys_sendmsg+0xcd/0x170 [ 9915.322807][ T10] do_syscall_64+0xc6/0x1e0 [ 9915.322807][ T10] [ 9915.324761][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9915.324761][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9915.324761][ T10] ipv6_find_idev+0x102/0x170 [ 9915.324761][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9915.324761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9915.324761][ T10] netlink_rcv_skb+0x130/0x360 [ 9915.324761][ T10] netlink_unicast+0x449/0x710 [ 9915.324761][ T10] netlink_sendmsg+0x723/0xbe0 [ 9915.324761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9915.324761][ T10] ___sys_sendmsg+0xee/0x170 [ 9915.324761][ T10] __sys_sendmsg+0xcd/0x170 [ 9915.324761][ T10] do_syscall_64+0xc6/0x1e0 [ 9915.324761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9915.324761][ T10] [ 9915.326292][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9915.326292][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9915.326292][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9915.326292][ T10] ipv6_find_idev+0x102/0x170 [ 9915.326292][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9915.326292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9915.326292][ T10] netlink_rcv_skb+0x130/0x360 [ 9915.326292][ T10] netlink_unicast+0x449/0x710 [ 9915.326292][ T10] netlink_sendmsg+0x723/0xbe0 [ 9915.326292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9915.326292][ T10] ___sys_sendmsg+0xee/0x170 [ 9915.326292][ T10] __sys_sendmsg+0xcd/0x170 [ 9915.326292][ T10] do_syscall_64+0xc6/0x1e0 [ 9915.326292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9915.326292][ T10] [ 9915.327966][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9915.328220][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9915.328220][ T10] netdev_get_by_index+0x5e/0x80 [ 9915.328220][ T10] fib6_nh_init+0x3d8/0x1580 [ 9915.328220][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9915.328220][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9915.328220][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9915.328220][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9915.328220][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9915.328220][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9915.328220][ T10] addrconf_dad_begin+0x310/0x670 [ 9915.328220][ T10] addrconf_dad_work+0x10b/0xab0 [ 9915.328220][ T10] process_one_work+0x84d/0x18a0 [ 9915.328220][ T10] worker_thread+0x587/0xd30 [ 9915.328220][ T10] kthread+0x28a/0x350 [ 9915.328220][ T10] ret_from_fork+0x31/0x70 [ 9915.328220][ T10] ret_from_fork_asm+0x1a/0x30 [ 9915.328220][ T10] [ 9915.330126][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9915.330126][ T10] netdev_get_by_index+0x5e/0x80 [ 9915.330126][ T10] fib6_nh_init+0x3d8/0x1580 [ 9915.330126][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9915.330126][ T10] ip6_route_add+0x1c/0x140 [ 9915.330126][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9915.330126][ T10] inet6_addr_add+0x4f8/0xa40 [ 9915.330126][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9915.330126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9915.330126][ T10] netlink_rcv_skb+0x130/0x360 [ 9915.330126][ T10] netlink_unicast+0x449/0x710 [ 9915.330126][ T10] netlink_sendmsg+0x723/0xbe0 [ 9915.330126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9915.330126][ T10] ___sys_sendmsg+0xee/0x170 [ 9915.330126][ T10] __sys_sendmsg+0xcd/0x170 [ 9915.330126][ T10] do_syscall_64+0xc6/0x1e0 [ 9915.330126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9915.330126][ T10] [ 9915.332255][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9915.332255][ T10] netdev_get_by_index+0x5e/0x80 [ 9915.332255][ T10] fib6_nh_init+0x3d8/0x1580 [ 9915.332255][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9915.332255][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9915.332255][ T10] ipv6_add_addr+0x411/0x2000 [ 9915.332255][ T10] inet6_addr_add+0x30e/0xa40 [ 9915.332255][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9915.332255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9915.332255][ T10] netlink_rcv_skb+0x130/0x360 [ 9915.332255][ T10] netlink_unicast+0x449/0x710 [ 9915.332255][ T10] netlink_sendmsg+0x723/0xbe0 [ 9915.332255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9915.332255][ T10] ___sys_sendmsg+0xee/0x170 [ 9915.332255][ T10] __sys_sendmsg+0xcd/0x170 [ 9915.332255][ T10] do_syscall_64+0xc6/0x1e0 [ 9915.332255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9915.332255][ T10] [ 9915.334372][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9915.334372][ T10] netdev_get_by_index+0x5e/0x80 [ 9915.334372][ T10] fib6_nh_init+0x3d8/0x1580 [ 9915.334372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9915.334372][ T10] ip6_route_add+0x1c/0x140 [ 9915.334372][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9915.334372][ T10] addrconf_add_dev+0xe2/0x170 [ 9915.334372][ T10] inet6_addr_add+0x12f/0xa40 [ 9915.334372][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9915.334372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9915.334372][ T10] netlink_rcv_skb+0x130/0x360 [ 9915.334372][ T10] netlink_unicast+0x449/0x710 [ 9915.334372][ T10] netlink_sendmsg+0x723/0xbe0 [ 9915.334372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9915.334372][ T10] ___sys_sendmsg+0xee/0x170 [ 9915.334372][ T10] __sys_sendmsg+0xcd/0x170 [ 9915.334372][ T10] do_syscall_64+0xc6/0x1e0 [ 9915.334372][ T10] [ 9915.336375][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9915.336375][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9915.336375][ T10] ipv6_find_idev+0x102/0x170 [ 9915.336375][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9915.336375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9915.336375][ T10] netlink_rcv_skb+0x130/0x360 [ 9915.336375][ T10] netlink_unicast+0x449/0x710 [ 9915.336375][ T10] netlink_sendmsg+0x723/0xbe0 [ 9915.336375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9915.336375][ T10] ___sys_sendmsg+0xee/0x170 [ 9915.336375][ T10] __sys_sendmsg+0xcd/0x170 [ 9915.336375][ T10] do_syscall_64+0xc6/0x1e0 [ 9915.336375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9915.336375][ T10] [ 9915.338028][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9915.338028][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9915.338028][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9915.338028][ T10] ipv6_find_idev+0x102/0x170 [ 9915.338028][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9915.338028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9915.338028][ T10] netlink_rcv_skb+0x130/0x360 [ 9915.338028][ T10] netlink_unicast+0x449/0x710 [ 9915.338028][ T10] netlink_sendmsg+0x723/0xbe0 [ 9915.338028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9915.338028][ T10] ___sys_sendmsg+0xee/0x170 [ 9915.338028][ T10] __sys_sendmsg+0xcd/0x170 [ 9915.338028][ T10] do_syscall_64+0xc6/0x1e0 [ 9915.338028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9915.338028][ T10] [ 9915.339830][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9915.340499][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9915.340499][ T10] netdev_get_by_index+0x5e/0x80 [ 9915.340499][ T10] fib6_nh_init+0x3d8/0x1580 [ 9915.340499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9915.340499][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9915.340499][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9915.340499][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9915.340499][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9915.340499][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9915.340499][ T10] addrconf_dad_begin+0x310/0x670 [ 9915.340499][ T10] addrconf_dad_work+0x10b/0xab0 [ 9915.340499][ T10] process_one_work+0x84d/0x18a0 [ 9915.340499][ T10] worker_thread+0x587/0xd30 [ 9915.340499][ T10] kthread+0x28a/0x350 [ 9915.340499][ T10] ret_from_fork+0x31/0x70 [ 9915.340499][ T10] ret_from_fork_asm+0x1a/0x30 [ 9915.340499][ T10] [ 9915.342418][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9915.342418][ T10] netdev_get_by_index+0x5e/0x80 [ 9915.342418][ T10] fib6_nh_init+0x3d8/0x1580 [ 9915.342418][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9915.342418][ T10] ip6_route_add+0x1c/0x140 [ 9915.342418][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9915.342418][ T10] inet6_addr_add+0x4f8/0xa40 [ 9915.342418][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9915.342418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9915.342418][ T10] netlink_rcv_skb+0x130/0x360 [ 9915.342418][ T10] netlink_unicast+0x449/0x710 [ 9915.342418][ T10] netlink_sendmsg+0x723/0xbe0 [ 9915.342418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9915.342418][ T10] ___sys_sendmsg+0xee/0x170 [ 9915.342418][ T10] __sys_sendmsg+0xcd/0x170 [ 9915.342418][ T10] do_syscall_64+0xc6/0x1e0 [ 9915.342418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9915.342418][ T10] [ 9915.344535][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9915.344535][ T10] netdev_get_by_index+0x5e/0x80 [ 9915.344535][ T10] fib6_nh_init+0x3d8/0x1580 [ 9915.344535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9915.344535][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9915.344535][ T10] ipv6_add_addr+0x411/0x2000 [ 9915.344535][ T10] inet6_addr_add+0x30e/0xa40 [ 9915.344535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9915.344535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9915.344535][ T10] netlink_rcv_skb+0x130/0x360 [ 9915.344535][ T10] netlink_unicast+0x449/0x710 [ 9915.344535][ T10] netlink_sendmsg+0x723/0xbe0 [ 9915.344535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9915.344535][ T10] ___sys_sendmsg+0xee/0x170 [ 9915.344535][ T10] __sys_sendmsg+0xcd/0x170 [ 9915.344535][ T10] do_syscall_64+0xc6/0x1e0 [ 9915.344535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9915.344535][ T10] [ 9915.346578][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9915.346578][ T10] netdev_get_by_index+0x5e/0x80 [ 9915.346578][ T10] fib6_nh_init+0x3d8/0x1580 [ 9915.346578][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9915.346578][ T10] ip6_route_add+0x1c/0x140 [ 9915.346578][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9915.346578][ T10] addrconf_add_dev+0xe2/0x170 [ 9915.346578][ T10] inet6_addr_add+0x12f/0xa40 [ 9915.346578][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9915.346578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9915.346578][ T10] netlink_rcv_skb+0x130/0x360 [ 9915.346578][ T10] netlink_unicast+0x449/0x710 [ 9915.346578][ T10] netlink_sendmsg+0x723/0xbe0 [ 9915.346578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9915.346578][ T10] ___sys_sendmsg+0xee/0x170 [ 9915.346578][ T10] __sys_sendmsg+0xcd/0x170 [ 9915.346578][ T10] do_syscall_64+0xc6/0x1e0 [ 9915.346578][ T10] [ 9915.348776][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9915.348776][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9915.348776][ T10] ipv6_find_idev+0x102/0x170 [ 9915.348776][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9915.348776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9915.348776][ T10] netlink_rcv_skb+0x130/0x360 [ 9915.348776][ T10] netlink_unicast+0x449/0x710 [ 9915.348776][ T10] netlink_sendmsg+0x723/0xbe0 [ 9915.348776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9915.348776][ T10] ___sys_sendmsg+0xee/0x170 [ 9915.348776][ T10] __sys_sendmsg+0xcd/0x170 [ 9915.348776][ T10] do_syscall_64+0xc6/0x1e0 [ 9915.348776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9915.348776][ T10] [ 9915.350491][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9915.350491][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9915.350491][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9915.350491][ T10] ipv6_find_idev+0x102/0x170 [ 9915.350491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9915.350491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9915.350491][ T10] netlink_rcv_skb+0x130/0x360 [ 9915.350491][ T10] netlink_unicast+0x449/0x710 [ 9915.350491][ T10] netlink_sendmsg+0x723/0xbe0 [ 9915.350491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9915.350491][ T10] ___sys_sendmsg+0xee/0x170 [ 9915.350491][ T10] __sys_sendmsg+0xcd/0x170 [ 9915.350491][ T10] do_syscall_64+0xc6/0x1e0 [ 9915.350491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9915.350491][ T10] [ 9918.001107][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9918.001593][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9918.001593][ T1167] dst_init+0x84/0x4a0 [ 9918.001593][ T1167] dst_alloc+0x97/0x150 [ 9918.001593][ T1167] ip6_dst_alloc+0x23/0x90 [ 9918.001593][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9918.001593][ T1167] ip6_pol_route+0x56f/0x840 [ 9918.001593][ T1167] fib6_rule_lookup+0x334/0x630 [ 9918.001593][ T1167] ip6_route_output_flags+0x259/0x480 [ 9918.001593][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9918.001593][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9918.001593][ T1167] netlink_rcv_skb+0x130/0x360 [ 9918.001593][ T1167] netlink_unicast+0x449/0x710 [ 9918.001593][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9918.001593][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9918.001593][ T1167] ___sys_sendmsg+0xee/0x170 [ 9918.001593][ T1167] __sys_sendmsg+0xcd/0x170 [ 9918.001593][ T1167] do_syscall_64+0xc6/0x1e0 [ 9918.001593][ T1167] [ 9918.003822][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9918.003822][ T1167] netdev_get_by_index+0x5e/0x80 [ 9918.003822][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9918.003822][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9918.003822][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9918.003822][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9918.003822][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9918.003822][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9918.003822][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9918.003822][ T1167] addrconf_dad_begin+0x310/0x670 [ 9918.003822][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9918.003822][ T1167] process_one_work+0x84d/0x18a0 [ 9918.003822][ T1167] worker_thread+0x587/0xd30 [ 9918.003822][ T1167] kthread+0x28a/0x350 [ 9918.003822][ T1167] ret_from_fork+0x31/0x70 [ 9918.003822][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9918.003822][ T1167] [ 9918.005974][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9918.005974][ T1167] netdev_get_by_index+0x5e/0x80 [ 9918.005974][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9918.005974][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9918.005974][ T1167] ip6_route_add+0x1c/0x140 [ 9918.005974][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9918.005974][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9918.005974][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9918.005974][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9918.005974][ T1167] netlink_rcv_skb+0x130/0x360 [ 9918.005974][ T1167] netlink_unicast+0x449/0x710 [ 9918.005974][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9918.005974][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9918.005974][ T1167] ___sys_sendmsg+0xee/0x170 [ 9918.005974][ T1167] __sys_sendmsg+0xcd/0x170 [ 9918.005974][ T1167] do_syscall_64+0xc6/0x1e0 [ 9918.005974][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9918.005974][ T1167] [ 9918.008225][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9918.008225][ T1167] netdev_get_by_index+0x5e/0x80 [ 9918.008225][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9918.008225][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9918.008225][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9918.008225][ T1167] ipv6_add_addr+0x411/0x2000 [ 9918.008225][ T1167] inet6_addr_add+0x30e/0xa40 [ 9918.008225][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9918.008225][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9918.008225][ T1167] netlink_rcv_skb+0x130/0x360 [ 9918.008225][ T1167] netlink_unicast+0x449/0x710 [ 9918.008225][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9918.008225][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9918.008225][ T1167] ___sys_sendmsg+0xee/0x170 [ 9918.008225][ T1167] __sys_sendmsg+0xcd/0x170 [ 9918.008225][ T1167] do_syscall_64+0xc6/0x1e0 [ 9918.008225][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9918.008225][ T1167] [ 9918.010497][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9918.010497][ T1167] netdev_get_by_index+0x5e/0x80 [ 9918.010497][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9918.010497][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9918.010497][ T1167] ip6_route_add+0x1c/0x140 [ 9918.010497][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9918.010497][ T1167] addrconf_add_dev+0xe2/0x170 [ 9918.010497][ T1167] inet6_addr_add+0x12f/0xa40 [ 9918.010497][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9918.010497][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9918.010497][ T1167] netlink_rcv_skb+0x130/0x360 [ 9918.010497][ T1167] netlink_unicast+0x449/0x710 [ 9918.010497][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9918.010497][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9918.010497][ T1167] ___sys_sendmsg+0xee/0x170 [ 9918.010497][ T1167] __sys_sendmsg+0xcd/0x170 [ 9918.010497][ T1167] do_syscall_64+0xc6/0x1e0 [ 9918.010497][ T1167] [ 9918.012723][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9918.012723][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9918.012723][ T1167] ipv6_find_idev+0x102/0x170 [ 9918.012723][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9918.012723][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9918.012723][ T1167] netlink_rcv_skb+0x130/0x360 [ 9918.012723][ T1167] netlink_unicast+0x449/0x710 [ 9918.012723][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9918.012723][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9918.012723][ T1167] ___sys_sendmsg+0xee/0x170 [ 9918.012723][ T1167] __sys_sendmsg+0xcd/0x170 [ 9918.012723][ T1167] do_syscall_64+0xc6/0x1e0 [ 9918.012723][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9918.012723][ T1167] [ 9918.014473][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9918.014473][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9918.014473][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9918.014473][ T1167] ipv6_find_idev+0x102/0x170 [ 9918.014473][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9918.014473][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9918.014473][ T1167] netlink_rcv_skb+0x130/0x360 [ 9918.014473][ T1167] netlink_unicast+0x449/0x710 [ 9918.014473][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9918.014473][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9918.014473][ T1167] ___sys_sendmsg+0xee/0x170 [ 9918.014473][ T1167] __sys_sendmsg+0xcd/0x170 [ 9918.014473][ T1167] do_syscall_64+0xc6/0x1e0 [ 9918.014473][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9918.014473][ T1167] [ 9925.593047][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9925.593461][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9925.593461][ T10] netdev_get_by_index+0x5e/0x80 [ 9925.593461][ T10] fib6_nh_init+0x3d8/0x1580 [ 9925.593461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9925.593461][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9925.593461][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9925.593461][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9925.593461][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9925.593461][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9925.593461][ T10] addrconf_dad_begin+0x310/0x670 [ 9925.593461][ T10] addrconf_dad_work+0x10b/0xab0 [ 9925.593461][ T10] process_one_work+0x84d/0x18a0 [ 9925.593461][ T10] worker_thread+0x587/0xd30 [ 9925.593461][ T10] kthread+0x28a/0x350 [ 9925.593461][ T10] ret_from_fork+0x31/0x70 [ 9925.593461][ T10] ret_from_fork_asm+0x1a/0x30 [ 9925.593461][ T10] [ 9925.595392][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9925.595392][ T10] netdev_get_by_index+0x5e/0x80 [ 9925.595392][ T10] fib6_nh_init+0x3d8/0x1580 [ 9925.595392][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9925.595392][ T10] ip6_route_add+0x1c/0x140 [ 9925.595392][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9925.595392][ T10] inet6_addr_add+0x4f8/0xa40 [ 9925.595392][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9925.595392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9925.595392][ T10] netlink_rcv_skb+0x130/0x360 [ 9925.595392][ T10] netlink_unicast+0x449/0x710 [ 9925.595392][ T10] netlink_sendmsg+0x723/0xbe0 [ 9925.595392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9925.595392][ T10] ___sys_sendmsg+0xee/0x170 [ 9925.595392][ T10] __sys_sendmsg+0xcd/0x170 [ 9925.595392][ T10] do_syscall_64+0xc6/0x1e0 [ 9925.595392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9925.595392][ T10] [ 9925.597384][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9925.597384][ T10] netdev_get_by_index+0x5e/0x80 [ 9925.597384][ T10] fib6_nh_init+0x3d8/0x1580 [ 9925.597384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9925.597384][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9925.597384][ T10] ipv6_add_addr+0x411/0x2000 [ 9925.597384][ T10] inet6_addr_add+0x30e/0xa40 [ 9925.597384][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9925.597384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9925.597384][ T10] netlink_rcv_skb+0x130/0x360 [ 9925.597384][ T10] netlink_unicast+0x449/0x710 [ 9925.597384][ T10] netlink_sendmsg+0x723/0xbe0 [ 9925.597384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9925.597384][ T10] ___sys_sendmsg+0xee/0x170 [ 9925.597384][ T10] __sys_sendmsg+0xcd/0x170 [ 9925.597384][ T10] do_syscall_64+0xc6/0x1e0 [ 9925.597384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9925.597384][ T10] [ 9925.599377][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9925.599377][ T10] netdev_get_by_index+0x5e/0x80 [ 9925.599377][ T10] fib6_nh_init+0x3d8/0x1580 [ 9925.599377][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9925.599377][ T10] ip6_route_add+0x1c/0x140 [ 9925.599377][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9925.599377][ T10] addrconf_add_dev+0xe2/0x170 [ 9925.599377][ T10] inet6_addr_add+0x12f/0xa40 [ 9925.599377][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9925.599377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9925.599377][ T10] netlink_rcv_skb+0x130/0x360 [ 9925.599377][ T10] netlink_unicast+0x449/0x710 [ 9925.599377][ T10] netlink_sendmsg+0x723/0xbe0 [ 9925.599377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9925.599377][ T10] ___sys_sendmsg+0xee/0x170 [ 9925.599377][ T10] __sys_sendmsg+0xcd/0x170 [ 9925.599377][ T10] do_syscall_64+0xc6/0x1e0 [ 9925.599377][ T10] [ 9925.601346][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9925.601346][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9925.601346][ T10] ipv6_find_idev+0x102/0x170 [ 9925.601346][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9925.601346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9925.601346][ T10] netlink_rcv_skb+0x130/0x360 [ 9925.601346][ T10] netlink_unicast+0x449/0x710 [ 9925.601346][ T10] netlink_sendmsg+0x723/0xbe0 [ 9925.601346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9925.601346][ T10] ___sys_sendmsg+0xee/0x170 [ 9925.601346][ T10] __sys_sendmsg+0xcd/0x170 [ 9925.601346][ T10] do_syscall_64+0xc6/0x1e0 [ 9925.601346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9925.601346][ T10] [ 9925.602879][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9925.602879][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9925.602879][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9925.602879][ T10] ipv6_find_idev+0x102/0x170 [ 9925.602879][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9925.602879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9925.602879][ T10] netlink_rcv_skb+0x130/0x360 [ 9925.602879][ T10] netlink_unicast+0x449/0x710 [ 9925.602879][ T10] netlink_sendmsg+0x723/0xbe0 [ 9925.602879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9925.602879][ T10] ___sys_sendmsg+0xee/0x170 [ 9925.602879][ T10] __sys_sendmsg+0xcd/0x170 [ 9925.602879][ T10] do_syscall_64+0xc6/0x1e0 [ 9925.602879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9925.602879][ T10] [ 9925.604552][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9925.604794][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9925.604794][ T10] netdev_get_by_index+0x5e/0x80 [ 9925.604794][ T10] fib6_nh_init+0x3d8/0x1580 [ 9925.604794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9925.604794][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9925.604794][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9925.604794][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9925.604794][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9925.604794][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9925.604794][ T10] addrconf_dad_begin+0x310/0x670 [ 9925.604794][ T10] addrconf_dad_work+0x10b/0xab0 [ 9925.604794][ T10] process_one_work+0x84d/0x18a0 [ 9925.604794][ T10] worker_thread+0x587/0xd30 [ 9925.604794][ T10] kthread+0x28a/0x350 [ 9925.604794][ T10] ret_from_fork+0x31/0x70 [ 9925.604794][ T10] ret_from_fork_asm+0x1a/0x30 [ 9925.604794][ T10] [ 9925.606685][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9925.606685][ T10] netdev_get_by_index+0x5e/0x80 [ 9925.606685][ T10] fib6_nh_init+0x3d8/0x1580 [ 9925.606685][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9925.606685][ T10] ip6_route_add+0x1c/0x140 [ 9925.606685][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9925.606685][ T10] inet6_addr_add+0x4f8/0xa40 [ 9925.606685][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9925.606685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9925.606685][ T10] netlink_rcv_skb+0x130/0x360 [ 9925.606685][ T10] netlink_unicast+0x449/0x710 [ 9925.606685][ T10] netlink_sendmsg+0x723/0xbe0 [ 9925.606685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9925.606685][ T10] ___sys_sendmsg+0xee/0x170 [ 9925.606685][ T10] __sys_sendmsg+0xcd/0x170 [ 9925.606685][ T10] do_syscall_64+0xc6/0x1e0 [ 9925.606685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9925.606685][ T10] [ 9925.608681][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9925.608681][ T10] netdev_get_by_index+0x5e/0x80 [ 9925.608681][ T10] fib6_nh_init+0x3d8/0x1580 [ 9925.608681][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9925.608681][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9925.608681][ T10] ipv6_add_addr+0x411/0x2000 [ 9925.608681][ T10] inet6_addr_add+0x30e/0xa40 [ 9925.608681][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9925.608681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9925.608681][ T10] netlink_rcv_skb+0x130/0x360 [ 9925.608681][ T10] netlink_unicast+0x449/0x710 [ 9925.608681][ T10] netlink_sendmsg+0x723/0xbe0 [ 9925.608681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9925.608681][ T10] ___sys_sendmsg+0xee/0x170 [ 9925.608681][ T10] __sys_sendmsg+0xcd/0x170 [ 9925.608681][ T10] do_syscall_64+0xc6/0x1e0 [ 9925.608681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9925.608681][ T10] [ 9925.610664][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9925.610664][ T10] netdev_get_by_index+0x5e/0x80 [ 9925.610664][ T10] fib6_nh_init+0x3d8/0x1580 [ 9925.610664][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9925.610664][ T10] ip6_route_add+0x1c/0x140 [ 9925.610664][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9925.610664][ T10] addrconf_add_dev+0xe2/0x170 [ 9925.610664][ T10] inet6_addr_add+0x12f/0xa40 [ 9925.610664][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9925.610664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9925.610664][ T10] netlink_rcv_skb+0x130/0x360 [ 9925.610664][ T10] netlink_unicast+0x449/0x710 [ 9925.610664][ T10] netlink_sendmsg+0x723/0xbe0 [ 9925.610664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9925.610664][ T10] ___sys_sendmsg+0xee/0x170 [ 9925.610664][ T10] __sys_sendmsg+0xcd/0x170 [ 9925.610664][ T10] do_syscall_64+0xc6/0x1e0 [ 9925.610664][ T10] [ 9925.612629][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9925.612629][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9925.612629][ T10] ipv6_find_idev+0x102/0x170 [ 9925.612629][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9925.612629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9925.612629][ T10] netlink_rcv_skb+0x130/0x360 [ 9925.612629][ T10] netlink_unicast+0x449/0x710 [ 9925.612629][ T10] netlink_sendmsg+0x723/0xbe0 [ 9925.612629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9925.612629][ T10] ___sys_sendmsg+0xee/0x170 [ 9925.612629][ T10] __sys_sendmsg+0xcd/0x170 [ 9925.612629][ T10] do_syscall_64+0xc6/0x1e0 [ 9925.612629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9925.612629][ T10] [ 9925.614157][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9925.614157][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9925.614157][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9925.614157][ T10] ipv6_find_idev+0x102/0x170 [ 9925.614157][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9925.614157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9925.614157][ T10] netlink_rcv_skb+0x130/0x360 [ 9925.614157][ T10] netlink_unicast+0x449/0x710 [ 9925.614157][ T10] netlink_sendmsg+0x723/0xbe0 [ 9925.614157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9925.614157][ T10] ___sys_sendmsg+0xee/0x170 [ 9925.614157][ T10] __sys_sendmsg+0xcd/0x170 [ 9925.614157][ T10] do_syscall_64+0xc6/0x1e0 [ 9925.614157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9925.614157][ T10] [ 9925.615831][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9925.616077][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9925.616077][ T10] netdev_get_by_index+0x5e/0x80 [ 9925.616077][ T10] fib6_nh_init+0x3d8/0x1580 [ 9925.616077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9925.616077][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9925.616077][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9925.616077][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9925.616077][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9925.616077][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9925.616077][ T10] addrconf_dad_begin+0x310/0x670 [ 9925.616077][ T10] addrconf_dad_work+0x10b/0xab0 [ 9925.616077][ T10] process_one_work+0x84d/0x18a0 [ 9925.616077][ T10] worker_thread+0x587/0xd30 [ 9925.616077][ T10] kthread+0x28a/0x350 [ 9925.616077][ T10] ret_from_fork+0x31/0x70 [ 9925.616077][ T10] ret_from_fork_asm+0x1a/0x30 [ 9925.616077][ T10] [ 9925.617980][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9925.617980][ T10] netdev_get_by_index+0x5e/0x80 [ 9925.617980][ T10] fib6_nh_init+0x3d8/0x1580 [ 9925.617980][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9925.617980][ T10] ip6_route_add+0x1c/0x140 [ 9925.617980][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9925.617980][ T10] inet6_addr_add+0x4f8/0xa40 [ 9925.617980][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9925.617980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9925.617980][ T10] netlink_rcv_skb+0x130/0x360 [ 9925.617980][ T10] netlink_unicast+0x449/0x710 [ 9925.617980][ T10] netlink_sendmsg+0x723/0xbe0 [ 9925.617980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9925.617980][ T10] ___sys_sendmsg+0xee/0x170 [ 9925.617980][ T10] __sys_sendmsg+0xcd/0x170 [ 9925.617980][ T10] do_syscall_64+0xc6/0x1e0 [ 9925.617980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9925.617980][ T10] [ 9925.620034][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9925.620034][ T10] netdev_get_by_index+0x5e/0x80 [ 9925.620034][ T10] fib6_nh_init+0x3d8/0x1580 [ 9925.620034][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9925.620034][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9925.620034][ T10] ipv6_add_addr+0x411/0x2000 [ 9925.620034][ T10] inet6_addr_add+0x30e/0xa40 [ 9925.620034][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9925.620034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9925.620034][ T10] netlink_rcv_skb+0x130/0x360 [ 9925.620034][ T10] netlink_unicast+0x449/0x710 [ 9925.620034][ T10] netlink_sendmsg+0x723/0xbe0 [ 9925.620034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9925.620034][ T10] ___sys_sendmsg+0xee/0x170 [ 9925.620034][ T10] __sys_sendmsg+0xcd/0x170 [ 9925.620034][ T10] do_syscall_64+0xc6/0x1e0 [ 9925.620034][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9925.620034][ T10] [ 9925.622160][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9925.622160][ T10] netdev_get_by_index+0x5e/0x80 [ 9925.622160][ T10] fib6_nh_init+0x3d8/0x1580 [ 9925.622160][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9925.622160][ T10] ip6_route_add+0x1c/0x140 [ 9925.622160][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9925.622160][ T10] addrconf_add_dev+0xe2/0x170 [ 9925.622160][ T10] inet6_addr_add+0x12f/0xa40 [ 9925.622160][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9925.622160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9925.622160][ T10] netlink_rcv_skb+0x130/0x360 [ 9925.622160][ T10] netlink_unicast+0x449/0x710 [ 9925.622160][ T10] netlink_sendmsg+0x723/0xbe0 [ 9925.622160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9925.622160][ T10] ___sys_sendmsg+0xee/0x170 [ 9925.622160][ T10] __sys_sendmsg+0xcd/0x170 [ 9925.622160][ T10] do_syscall_64+0xc6/0x1e0 [ 9925.622160][ T10] [ 9925.624178][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9925.624178][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9925.624178][ T10] ipv6_find_idev+0x102/0x170 [ 9925.624178][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9925.624178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9925.624178][ T10] netlink_rcv_skb+0x130/0x360 [ 9925.624178][ T10] netlink_unicast+0x449/0x710 [ 9925.624178][ T10] netlink_sendmsg+0x723/0xbe0 [ 9925.624178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9925.624178][ T10] ___sys_sendmsg+0xee/0x170 [ 9925.624178][ T10] __sys_sendmsg+0xcd/0x170 [ 9925.624178][ T10] do_syscall_64+0xc6/0x1e0 [ 9925.624178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9925.624178][ T10] [ 9925.625768][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9925.625768][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9925.625768][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9925.625768][ T10] ipv6_find_idev+0x102/0x170 [ 9925.625768][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9925.625768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9925.625768][ T10] netlink_rcv_skb+0x130/0x360 [ 9925.625768][ T10] netlink_unicast+0x449/0x710 [ 9925.625768][ T10] netlink_sendmsg+0x723/0xbe0 [ 9925.625768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9925.625768][ T10] ___sys_sendmsg+0xee/0x170 [ 9925.625768][ T10] __sys_sendmsg+0xcd/0x170 [ 9925.625768][ T10] do_syscall_64+0xc6/0x1e0 [ 9925.625768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9925.625768][ T10] [ 9925.627505][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9925.627736][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9925.627736][ T10] netdev_get_by_index+0x5e/0x80 [ 9925.627736][ T10] fib6_nh_init+0x3d8/0x1580 [ 9925.627736][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9925.627736][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9925.627736][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9925.627736][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9925.627736][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9925.627736][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9925.627736][ T10] addrconf_dad_begin+0x310/0x670 [ 9925.627736][ T10] addrconf_dad_work+0x10b/0xab0 [ 9925.627736][ T10] process_one_work+0x84d/0x18a0 [ 9925.627736][ T10] worker_thread+0x587/0xd30 [ 9925.627736][ T10] kthread+0x28a/0x350 [ 9925.627736][ T10] ret_from_fork+0x31/0x70 [ 9925.627736][ T10] ret_from_fork_asm+0x1a/0x30 [ 9925.627736][ T10] [ 9925.629782][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9925.629782][ T10] netdev_get_by_index+0x5e/0x80 [ 9925.629782][ T10] fib6_nh_init+0x3d8/0x1580 [ 9925.629782][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9925.629782][ T10] ip6_route_add+0x1c/0x140 [ 9925.629782][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9925.629782][ T10] inet6_addr_add+0x4f8/0xa40 [ 9925.629782][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9925.629782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9925.629782][ T10] netlink_rcv_skb+0x130/0x360 [ 9925.629782][ T10] netlink_unicast+0x449/0x710 [ 9925.629782][ T10] netlink_sendmsg+0x723/0xbe0 [ 9925.629782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9925.629782][ T10] ___sys_sendmsg+0xee/0x170 [ 9925.629782][ T10] __sys_sendmsg+0xcd/0x170 [ 9925.629782][ T10] do_syscall_64+0xc6/0x1e0 [ 9925.629782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9925.629782][ T10] [ 9925.631844][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9925.631844][ T10] netdev_get_by_index+0x5e/0x80 [ 9925.631844][ T10] fib6_nh_init+0x3d8/0x1580 [ 9925.631844][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9925.631844][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9925.631844][ T10] ipv6_add_addr+0x411/0x2000 [ 9925.631844][ T10] inet6_addr_add+0x30e/0xa40 [ 9925.631844][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9925.631844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9925.631844][ T10] netlink_rcv_skb+0x130/0x360 [ 9925.631844][ T10] netlink_unicast+0x449/0x710 [ 9925.631844][ T10] netlink_sendmsg+0x723/0xbe0 [ 9925.631844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9925.631844][ T10] ___sys_sendmsg+0xee/0x170 [ 9925.631844][ T10] __sys_sendmsg+0xcd/0x170 [ 9925.631844][ T10] do_syscall_64+0xc6/0x1e0 [ 9925.631844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9925.631844][ T10] [ 9925.633897][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9925.633897][ T10] netdev_get_by_index+0x5e/0x80 [ 9925.633897][ T10] fib6_nh_init+0x3d8/0x1580 [ 9925.633897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9925.633897][ T10] ip6_route_add+0x1c/0x140 [ 9925.633897][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9925.633897][ T10] addrconf_add_dev+0xe2/0x170 [ 9925.633897][ T10] inet6_addr_add+0x12f/0xa40 [ 9925.633897][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9925.633897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9925.633897][ T10] netlink_rcv_skb+0x130/0x360 [ 9925.633897][ T10] netlink_unicast+0x449/0x710 [ 9925.633897][ T10] netlink_sendmsg+0x723/0xbe0 [ 9925.633897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9925.633897][ T10] ___sys_sendmsg+0xee/0x170 [ 9925.633897][ T10] __sys_sendmsg+0xcd/0x170 [ 9925.633897][ T10] do_syscall_64+0xc6/0x1e0 [ 9925.633897][ T10] [ 9925.635910][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9925.635910][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9925.635910][ T10] ipv6_find_idev+0x102/0x170 [ 9925.635910][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9925.635910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9925.635910][ T10] netlink_rcv_skb+0x130/0x360 [ 9925.635910][ T10] netlink_unicast+0x449/0x710 [ 9925.635910][ T10] netlink_sendmsg+0x723/0xbe0 [ 9925.635910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9925.635910][ T10] ___sys_sendmsg+0xee/0x170 [ 9925.635910][ T10] __sys_sendmsg+0xcd/0x170 [ 9925.635910][ T10] do_syscall_64+0xc6/0x1e0 [ 9925.635910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9925.635910][ T10] [ 9925.637523][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9925.637523][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9925.637523][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9925.637523][ T10] ipv6_find_idev+0x102/0x170 [ 9925.637523][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9925.637523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9925.637523][ T10] netlink_rcv_skb+0x130/0x360 [ 9925.637523][ T10] netlink_unicast+0x449/0x710 [ 9925.637523][ T10] netlink_sendmsg+0x723/0xbe0 [ 9925.637523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9925.637523][ T10] ___sys_sendmsg+0xee/0x170 [ 9925.637523][ T10] __sys_sendmsg+0xcd/0x170 [ 9925.637523][ T10] do_syscall_64+0xc6/0x1e0 [ 9925.637523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9925.637523][ T10] [ 9928.257127][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9928.257605][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9928.257605][ T1167] dst_init+0x84/0x4a0 [ 9928.257605][ T1167] dst_alloc+0x97/0x150 [ 9928.257605][ T1167] ip6_dst_alloc+0x23/0x90 [ 9928.257605][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9928.257605][ T1167] ip6_pol_route+0x56f/0x840 [ 9928.257605][ T1167] fib6_rule_lookup+0x334/0x630 [ 9928.257605][ T1167] ip6_route_output_flags+0x259/0x480 [ 9928.257605][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9928.257605][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9928.257605][ T1167] netlink_rcv_skb+0x130/0x360 [ 9928.257605][ T1167] netlink_unicast+0x449/0x710 [ 9928.257605][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9928.257605][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9928.257605][ T1167] ___sys_sendmsg+0xee/0x170 [ 9928.257605][ T1167] __sys_sendmsg+0xcd/0x170 [ 9928.257605][ T1167] do_syscall_64+0xc6/0x1e0 [ 9928.257605][ T1167] [ 9928.260145][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9928.260145][ T1167] netdev_get_by_index+0x5e/0x80 [ 9928.260145][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9928.260145][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9928.260145][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9928.260145][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9928.260145][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9928.260145][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9928.260145][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9928.260145][ T1167] addrconf_dad_begin+0x310/0x670 [ 9928.260145][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9928.260145][ T1167] process_one_work+0x84d/0x18a0 [ 9928.260145][ T1167] worker_thread+0x587/0xd30 [ 9928.260145][ T1167] kthread+0x28a/0x350 [ 9928.260145][ T1167] ret_from_fork+0x31/0x70 [ 9928.260145][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9928.260145][ T1167] [ 9928.262716][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9928.262716][ T1167] netdev_get_by_index+0x5e/0x80 [ 9928.262716][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9928.262716][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9928.262716][ T1167] ip6_route_add+0x1c/0x140 [ 9928.262716][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9928.262716][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9928.262716][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9928.262716][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9928.262716][ T1167] netlink_rcv_skb+0x130/0x360 [ 9928.262716][ T1167] netlink_unicast+0x449/0x710 [ 9928.262716][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9928.262716][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9928.262716][ T1167] ___sys_sendmsg+0xee/0x170 [ 9928.262716][ T1167] __sys_sendmsg+0xcd/0x170 [ 9928.262716][ T1167] do_syscall_64+0xc6/0x1e0 [ 9928.262716][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9928.262716][ T1167] [ 9928.265373][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9928.265373][ T1167] netdev_get_by_index+0x5e/0x80 [ 9928.265373][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9928.265373][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9928.265373][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9928.265373][ T1167] ipv6_add_addr+0x411/0x2000 [ 9928.265373][ T1167] inet6_addr_add+0x30e/0xa40 [ 9928.265373][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9928.265373][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9928.265373][ T1167] netlink_rcv_skb+0x130/0x360 [ 9928.265373][ T1167] netlink_unicast+0x449/0x710 [ 9928.265373][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9928.265373][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9928.265373][ T1167] ___sys_sendmsg+0xee/0x170 [ 9928.265373][ T1167] __sys_sendmsg+0xcd/0x170 [ 9928.265373][ T1167] do_syscall_64+0xc6/0x1e0 [ 9928.265373][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9928.265373][ T1167] [ 9928.268037][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9928.268037][ T1167] netdev_get_by_index+0x5e/0x80 [ 9928.268037][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9928.268037][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9928.268037][ T1167] ip6_route_add+0x1c/0x140 [ 9928.268037][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9928.268037][ T1167] addrconf_add_dev+0xe2/0x170 [ 9928.268037][ T1167] inet6_addr_add+0x12f/0xa40 [ 9928.268037][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9928.268037][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9928.268037][ T1167] netlink_rcv_skb+0x130/0x360 [ 9928.268037][ T1167] netlink_unicast+0x449/0x710 [ 9928.268037][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9928.268037][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9928.268037][ T1167] ___sys_sendmsg+0xee/0x170 [ 9928.268037][ T1167] __sys_sendmsg+0xcd/0x170 [ 9928.268037][ T1167] do_syscall_64+0xc6/0x1e0 [ 9928.268037][ T1167] [ 9928.270651][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9928.270651][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9928.270651][ T1167] ipv6_find_idev+0x102/0x170 [ 9928.270651][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9928.270651][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9928.270651][ T1167] netlink_rcv_skb+0x130/0x360 [ 9928.270651][ T1167] netlink_unicast+0x449/0x710 [ 9928.270651][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9928.270651][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9928.270651][ T1167] ___sys_sendmsg+0xee/0x170 [ 9928.270651][ T1167] __sys_sendmsg+0xcd/0x170 [ 9928.270651][ T1167] do_syscall_64+0xc6/0x1e0 [ 9928.270651][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9928.270651][ T1167] [ 9928.272701][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9928.272701][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9928.272701][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9928.272701][ T1167] ipv6_find_idev+0x102/0x170 [ 9928.272701][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9928.272701][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9928.272701][ T1167] netlink_rcv_skb+0x130/0x360 [ 9928.272701][ T1167] netlink_unicast+0x449/0x710 [ 9928.272701][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9928.272701][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9928.272701][ T1167] ___sys_sendmsg+0xee/0x170 [ 9928.272701][ T1167] __sys_sendmsg+0xcd/0x170 [ 9928.272701][ T1167] do_syscall_64+0xc6/0x1e0 [ 9928.272701][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9928.272701][ T1167] [ 9935.881101][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9935.881467][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9935.881467][ T10] netdev_get_by_index+0x5e/0x80 [ 9935.881467][ T10] fib6_nh_init+0x3d8/0x1580 [ 9935.881467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9935.881467][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9935.881467][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9935.881467][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9935.881467][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9935.881467][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9935.881467][ T10] addrconf_dad_begin+0x310/0x670 [ 9935.881467][ T10] addrconf_dad_work+0x10b/0xab0 [ 9935.881467][ T10] process_one_work+0x84d/0x18a0 [ 9935.881467][ T10] worker_thread+0x587/0xd30 [ 9935.881467][ T10] kthread+0x28a/0x350 [ 9935.881467][ T10] ret_from_fork+0x31/0x70 [ 9935.881467][ T10] ret_from_fork_asm+0x1a/0x30 [ 9935.881467][ T10] [ 9935.883574][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9935.883574][ T10] netdev_get_by_index+0x5e/0x80 [ 9935.883574][ T10] fib6_nh_init+0x3d8/0x1580 [ 9935.883574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9935.883574][ T10] ip6_route_add+0x1c/0x140 [ 9935.883574][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9935.883574][ T10] inet6_addr_add+0x4f8/0xa40 [ 9935.883574][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9935.883574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9935.883574][ T10] netlink_rcv_skb+0x130/0x360 [ 9935.883574][ T10] netlink_unicast+0x449/0x710 [ 9935.883574][ T10] netlink_sendmsg+0x723/0xbe0 [ 9935.883574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9935.883574][ T10] ___sys_sendmsg+0xee/0x170 [ 9935.883574][ T10] __sys_sendmsg+0xcd/0x170 [ 9935.883574][ T10] do_syscall_64+0xc6/0x1e0 [ 9935.883574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9935.883574][ T10] [ 9935.885750][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9935.885750][ T10] netdev_get_by_index+0x5e/0x80 [ 9935.885750][ T10] fib6_nh_init+0x3d8/0x1580 [ 9935.885750][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9935.885750][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9935.885750][ T10] ipv6_add_addr+0x411/0x2000 [ 9935.885750][ T10] inet6_addr_add+0x30e/0xa40 [ 9935.885750][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9935.885750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9935.885750][ T10] netlink_rcv_skb+0x130/0x360 [ 9935.885750][ T10] netlink_unicast+0x449/0x710 [ 9935.885750][ T10] netlink_sendmsg+0x723/0xbe0 [ 9935.885750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9935.885750][ T10] ___sys_sendmsg+0xee/0x170 [ 9935.885750][ T10] __sys_sendmsg+0xcd/0x170 [ 9935.885750][ T10] do_syscall_64+0xc6/0x1e0 [ 9935.885750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9935.885750][ T10] [ 9935.887921][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9935.887921][ T10] netdev_get_by_index+0x5e/0x80 [ 9935.887921][ T10] fib6_nh_init+0x3d8/0x1580 [ 9935.887921][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9935.887921][ T10] ip6_route_add+0x1c/0x140 [ 9935.887921][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9935.887921][ T10] addrconf_add_dev+0xe2/0x170 [ 9935.887921][ T10] inet6_addr_add+0x12f/0xa40 [ 9935.887921][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9935.887921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9935.887921][ T10] netlink_rcv_skb+0x130/0x360 [ 9935.887921][ T10] netlink_unicast+0x449/0x710 [ 9935.887921][ T10] netlink_sendmsg+0x723/0xbe0 [ 9935.887921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9935.887921][ T10] ___sys_sendmsg+0xee/0x170 [ 9935.887921][ T10] __sys_sendmsg+0xcd/0x170 [ 9935.887921][ T10] do_syscall_64+0xc6/0x1e0 [ 9935.887921][ T10] [ 9935.890055][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9935.890055][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9935.890055][ T10] ipv6_find_idev+0x102/0x170 [ 9935.890055][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9935.890055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9935.890055][ T10] netlink_rcv_skb+0x130/0x360 [ 9935.890055][ T10] netlink_unicast+0x449/0x710 [ 9935.890055][ T10] netlink_sendmsg+0x723/0xbe0 [ 9935.890055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9935.890055][ T10] ___sys_sendmsg+0xee/0x170 [ 9935.890055][ T10] __sys_sendmsg+0xcd/0x170 [ 9935.890055][ T10] do_syscall_64+0xc6/0x1e0 [ 9935.890055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9935.890055][ T10] [ 9935.891726][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9935.891726][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9935.891726][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9935.891726][ T10] ipv6_find_idev+0x102/0x170 [ 9935.891726][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9935.891726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9935.891726][ T10] netlink_rcv_skb+0x130/0x360 [ 9935.891726][ T10] netlink_unicast+0x449/0x710 [ 9935.891726][ T10] netlink_sendmsg+0x723/0xbe0 [ 9935.891726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9935.891726][ T10] ___sys_sendmsg+0xee/0x170 [ 9935.891726][ T10] __sys_sendmsg+0xcd/0x170 [ 9935.891726][ T10] do_syscall_64+0xc6/0x1e0 [ 9935.891726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9935.891726][ T10] [ 9935.893556][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9935.893810][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9935.893810][ T10] netdev_get_by_index+0x5e/0x80 [ 9935.893810][ T10] fib6_nh_init+0x3d8/0x1580 [ 9935.893810][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9935.893810][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9935.893810][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9935.893810][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9935.893810][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9935.893810][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9935.893810][ T10] addrconf_dad_begin+0x310/0x670 [ 9935.893810][ T10] addrconf_dad_work+0x10b/0xab0 [ 9935.893810][ T10] process_one_work+0x84d/0x18a0 [ 9935.893810][ T10] worker_thread+0x587/0xd30 [ 9935.893810][ T10] kthread+0x28a/0x350 [ 9935.893810][ T10] ret_from_fork+0x31/0x70 [ 9935.893810][ T10] ret_from_fork_asm+0x1a/0x30 [ 9935.893810][ T10] [ 9935.895916][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9935.895916][ T10] netdev_get_by_index+0x5e/0x80 [ 9935.895916][ T10] fib6_nh_init+0x3d8/0x1580 [ 9935.895916][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9935.895916][ T10] ip6_route_add+0x1c/0x140 [ 9935.895916][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9935.895916][ T10] inet6_addr_add+0x4f8/0xa40 [ 9935.895916][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9935.895916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9935.895916][ T10] netlink_rcv_skb+0x130/0x360 [ 9935.895916][ T10] netlink_unicast+0x449/0x710 [ 9935.895916][ T10] netlink_sendmsg+0x723/0xbe0 [ 9935.895916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9935.895916][ T10] ___sys_sendmsg+0xee/0x170 [ 9935.895916][ T10] __sys_sendmsg+0xcd/0x170 [ 9935.895916][ T10] do_syscall_64+0xc6/0x1e0 [ 9935.895916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9935.895916][ T10] [ 9935.898078][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9935.898078][ T10] netdev_get_by_index+0x5e/0x80 [ 9935.898078][ T10] fib6_nh_init+0x3d8/0x1580 [ 9935.898078][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9935.898078][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9935.898078][ T10] ipv6_add_addr+0x411/0x2000 [ 9935.898078][ T10] inet6_addr_add+0x30e/0xa40 [ 9935.898078][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9935.898078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9935.898078][ T10] netlink_rcv_skb+0x130/0x360 [ 9935.898078][ T10] netlink_unicast+0x449/0x710 [ 9935.898078][ T10] netlink_sendmsg+0x723/0xbe0 [ 9935.898078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9935.898078][ T10] ___sys_sendmsg+0xee/0x170 [ 9935.898078][ T10] __sys_sendmsg+0xcd/0x170 [ 9935.898078][ T10] do_syscall_64+0xc6/0x1e0 [ 9935.898078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9935.898078][ T10] [ 9935.900248][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9935.900248][ T10] netdev_get_by_index+0x5e/0x80 [ 9935.900248][ T10] fib6_nh_init+0x3d8/0x1580 [ 9935.900248][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9935.900248][ T10] ip6_route_add+0x1c/0x140 [ 9935.900248][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9935.900248][ T10] addrconf_add_dev+0xe2/0x170 [ 9935.900248][ T10] inet6_addr_add+0x12f/0xa40 [ 9935.900248][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9935.900248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9935.900248][ T10] netlink_rcv_skb+0x130/0x360 [ 9935.900248][ T10] netlink_unicast+0x449/0x710 [ 9935.900248][ T10] netlink_sendmsg+0x723/0xbe0 [ 9935.900248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9935.900248][ T10] ___sys_sendmsg+0xee/0x170 [ 9935.900248][ T10] __sys_sendmsg+0xcd/0x170 [ 9935.900248][ T10] do_syscall_64+0xc6/0x1e0 [ 9935.900248][ T10] [ 9935.902379][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9935.902379][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9935.902379][ T10] ipv6_find_idev+0x102/0x170 [ 9935.902379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9935.902379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9935.902379][ T10] netlink_rcv_skb+0x130/0x360 [ 9935.902379][ T10] netlink_unicast+0x449/0x710 [ 9935.902379][ T10] netlink_sendmsg+0x723/0xbe0 [ 9935.902379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9935.902379][ T10] ___sys_sendmsg+0xee/0x170 [ 9935.902379][ T10] __sys_sendmsg+0xcd/0x170 [ 9935.902379][ T10] do_syscall_64+0xc6/0x1e0 [ 9935.902379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9935.902379][ T10] [ 9935.904046][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9935.904046][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9935.904046][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9935.904046][ T10] ipv6_find_idev+0x102/0x170 [ 9935.904046][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9935.904046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9935.904046][ T10] netlink_rcv_skb+0x130/0x360 [ 9935.904046][ T10] netlink_unicast+0x449/0x710 [ 9935.904046][ T10] netlink_sendmsg+0x723/0xbe0 [ 9935.904046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9935.904046][ T10] ___sys_sendmsg+0xee/0x170 [ 9935.904046][ T10] __sys_sendmsg+0xcd/0x170 [ 9935.904046][ T10] do_syscall_64+0xc6/0x1e0 [ 9935.904046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9935.904046][ T10] [ 9935.905870][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9935.906142][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9935.906142][ T10] netdev_get_by_index+0x5e/0x80 [ 9935.906142][ T10] fib6_nh_init+0x3d8/0x1580 [ 9935.906142][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9935.906142][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9935.906142][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9935.906142][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9935.906142][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9935.906142][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9935.906142][ T10] addrconf_dad_begin+0x310/0x670 [ 9935.906142][ T10] addrconf_dad_work+0x10b/0xab0 [ 9935.906142][ T10] process_one_work+0x84d/0x18a0 [ 9935.906142][ T10] worker_thread+0x587/0xd30 [ 9935.906142][ T10] kthread+0x28a/0x350 [ 9935.906142][ T10] ret_from_fork+0x31/0x70 [ 9935.906142][ T10] ret_from_fork_asm+0x1a/0x30 [ 9935.906142][ T10] [ 9935.908211][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9935.908211][ T10] netdev_get_by_index+0x5e/0x80 [ 9935.908211][ T10] fib6_nh_init+0x3d8/0x1580 [ 9935.908211][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9935.908211][ T10] ip6_route_add+0x1c/0x140 [ 9935.908211][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9935.908211][ T10] inet6_addr_add+0x4f8/0xa40 [ 9935.908211][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9935.908211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9935.908211][ T10] netlink_rcv_skb+0x130/0x360 [ 9935.908211][ T10] netlink_unicast+0x449/0x710 [ 9935.908211][ T10] netlink_sendmsg+0x723/0xbe0 [ 9935.908211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9935.908211][ T10] ___sys_sendmsg+0xee/0x170 [ 9935.908211][ T10] __sys_sendmsg+0xcd/0x170 [ 9935.908211][ T10] do_syscall_64+0xc6/0x1e0 [ 9935.908211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9935.908211][ T10] [ 9935.910556][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9935.910556][ T10] netdev_get_by_index+0x5e/0x80 [ 9935.910556][ T10] fib6_nh_init+0x3d8/0x1580 [ 9935.910556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9935.910556][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9935.910556][ T10] ipv6_add_addr+0x411/0x2000 [ 9935.910556][ T10] inet6_addr_add+0x30e/0xa40 [ 9935.910556][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9935.910556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9935.910556][ T10] netlink_rcv_skb+0x130/0x360 [ 9935.910556][ T10] netlink_unicast+0x449/0x710 [ 9935.910556][ T10] netlink_sendmsg+0x723/0xbe0 [ 9935.910556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9935.910556][ T10] ___sys_sendmsg+0xee/0x170 [ 9935.910556][ T10] __sys_sendmsg+0xcd/0x170 [ 9935.910556][ T10] do_syscall_64+0xc6/0x1e0 [ 9935.910556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9935.910556][ T10] [ 9935.913523][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9935.913523][ T10] netdev_get_by_index+0x5e/0x80 [ 9935.913523][ T10] fib6_nh_init+0x3d8/0x1580 [ 9935.913523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9935.913523][ T10] ip6_route_add+0x1c/0x140 [ 9935.913523][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9935.913523][ T10] addrconf_add_dev+0xe2/0x170 [ 9935.913523][ T10] inet6_addr_add+0x12f/0xa40 [ 9935.913523][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9935.913523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9935.913523][ T10] netlink_rcv_skb+0x130/0x360 [ 9935.913523][ T10] netlink_unicast+0x449/0x710 [ 9935.913523][ T10] netlink_sendmsg+0x723/0xbe0 [ 9935.913523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9935.913523][ T10] ___sys_sendmsg+0xee/0x170 [ 9935.913523][ T10] __sys_sendmsg+0xcd/0x170 [ 9935.913523][ T10] do_syscall_64+0xc6/0x1e0 [ 9935.913523][ T10] [ 9935.915827][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9935.915827][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9935.915827][ T10] ipv6_find_idev+0x102/0x170 [ 9935.915827][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9935.915827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9935.915827][ T10] netlink_rcv_skb+0x130/0x360 [ 9935.915827][ T10] netlink_unicast+0x449/0x710 [ 9935.915827][ T10] netlink_sendmsg+0x723/0xbe0 [ 9935.915827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9935.915827][ T10] ___sys_sendmsg+0xee/0x170 [ 9935.915827][ T10] __sys_sendmsg+0xcd/0x170 [ 9935.915827][ T10] do_syscall_64+0xc6/0x1e0 [ 9935.915827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9935.915827][ T10] [ 9935.917673][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9935.917673][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9935.917673][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9935.917673][ T10] ipv6_find_idev+0x102/0x170 [ 9935.917673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9935.917673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9935.917673][ T10] netlink_rcv_skb+0x130/0x360 [ 9935.917673][ T10] netlink_unicast+0x449/0x710 [ 9935.917673][ T10] netlink_sendmsg+0x723/0xbe0 [ 9935.917673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9935.917673][ T10] ___sys_sendmsg+0xee/0x170 [ 9935.917673][ T10] __sys_sendmsg+0xcd/0x170 [ 9935.917673][ T10] do_syscall_64+0xc6/0x1e0 [ 9935.917673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9935.917673][ T10] [ 9935.919674][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9935.919924][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9935.919924][ T10] netdev_get_by_index+0x5e/0x80 [ 9935.919924][ T10] fib6_nh_init+0x3d8/0x1580 [ 9935.919924][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9935.919924][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9935.919924][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9935.919924][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9935.919924][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9935.919924][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9935.919924][ T10] addrconf_dad_begin+0x310/0x670 [ 9935.919924][ T10] addrconf_dad_work+0x10b/0xab0 [ 9935.919924][ T10] process_one_work+0x84d/0x18a0 [ 9935.919924][ T10] worker_thread+0x587/0xd30 [ 9935.919924][ T10] kthread+0x28a/0x350 [ 9935.919924][ T10] ret_from_fork+0x31/0x70 [ 9935.919924][ T10] ret_from_fork_asm+0x1a/0x30 [ 9935.919924][ T10] [ 9935.922305][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9935.922305][ T10] netdev_get_by_index+0x5e/0x80 [ 9935.922305][ T10] fib6_nh_init+0x3d8/0x1580 [ 9935.922305][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9935.922305][ T10] ip6_route_add+0x1c/0x140 [ 9935.922305][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9935.922305][ T10] inet6_addr_add+0x4f8/0xa40 [ 9935.922305][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9935.922305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9935.922305][ T10] netlink_rcv_skb+0x130/0x360 [ 9935.922305][ T10] netlink_unicast+0x449/0x710 [ 9935.922305][ T10] netlink_sendmsg+0x723/0xbe0 [ 9935.922305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9935.922305][ T10] ___sys_sendmsg+0xee/0x170 [ 9935.922305][ T10] __sys_sendmsg+0xcd/0x170 [ 9935.922305][ T10] do_syscall_64+0xc6/0x1e0 [ 9935.922305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9935.922305][ T10] [ 9935.924648][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9935.924648][ T10] netdev_get_by_index+0x5e/0x80 [ 9935.924648][ T10] fib6_nh_init+0x3d8/0x1580 [ 9935.924648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9935.924648][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9935.924648][ T10] ipv6_add_addr+0x411/0x2000 [ 9935.924648][ T10] inet6_addr_add+0x30e/0xa40 [ 9935.924648][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9935.924648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9935.924648][ T10] netlink_rcv_skb+0x130/0x360 [ 9935.924648][ T10] netlink_unicast+0x449/0x710 [ 9935.924648][ T10] netlink_sendmsg+0x723/0xbe0 [ 9935.924648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9935.924648][ T10] ___sys_sendmsg+0xee/0x170 [ 9935.924648][ T10] __sys_sendmsg+0xcd/0x170 [ 9935.924648][ T10] do_syscall_64+0xc6/0x1e0 [ 9935.924648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9935.924648][ T10] [ 9935.927059][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9935.927059][ T10] netdev_get_by_index+0x5e/0x80 [ 9935.927059][ T10] fib6_nh_init+0x3d8/0x1580 [ 9935.927059][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9935.927059][ T10] ip6_route_add+0x1c/0x140 [ 9935.927059][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9935.927059][ T10] addrconf_add_dev+0xe2/0x170 [ 9935.927059][ T10] inet6_addr_add+0x12f/0xa40 [ 9935.927059][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9935.927059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9935.927059][ T10] netlink_rcv_skb+0x130/0x360 [ 9935.927059][ T10] netlink_unicast+0x449/0x710 [ 9935.927059][ T10] netlink_sendmsg+0x723/0xbe0 [ 9935.927059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9935.927059][ T10] ___sys_sendmsg+0xee/0x170 [ 9935.927059][ T10] __sys_sendmsg+0xcd/0x170 [ 9935.927059][ T10] do_syscall_64+0xc6/0x1e0 [ 9935.927059][ T10] [ 9935.929424][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9935.929424][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9935.929424][ T10] ipv6_find_idev+0x102/0x170 [ 9935.929424][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9935.929424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9935.929424][ T10] netlink_rcv_skb+0x130/0x360 [ 9935.929424][ T10] netlink_unicast+0x449/0x710 [ 9935.929424][ T10] netlink_sendmsg+0x723/0xbe0 [ 9935.929424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9935.929424][ T10] ___sys_sendmsg+0xee/0x170 [ 9935.929424][ T10] __sys_sendmsg+0xcd/0x170 [ 9935.929424][ T10] do_syscall_64+0xc6/0x1e0 [ 9935.929424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9935.929424][ T10] [ 9935.931311][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9935.931311][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9935.931311][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9935.931311][ T10] ipv6_find_idev+0x102/0x170 [ 9935.931311][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9935.931311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9935.931311][ T10] netlink_rcv_skb+0x130/0x360 [ 9935.931311][ T10] netlink_unicast+0x449/0x710 [ 9935.931311][ T10] netlink_sendmsg+0x723/0xbe0 [ 9935.931311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9935.931311][ T10] ___sys_sendmsg+0xee/0x170 [ 9935.931311][ T10] __sys_sendmsg+0xcd/0x170 [ 9935.931311][ T10] do_syscall_64+0xc6/0x1e0 [ 9935.931311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9935.931311][ T10] [ 9938.513116][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9938.513598][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9938.513598][ T1167] dst_init+0x84/0x4a0 [ 9938.513598][ T1167] dst_alloc+0x97/0x150 [ 9938.513598][ T1167] ip6_dst_alloc+0x23/0x90 [ 9938.513598][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9938.513598][ T1167] ip6_pol_route+0x56f/0x840 [ 9938.513598][ T1167] fib6_rule_lookup+0x334/0x630 [ 9938.513598][ T1167] ip6_route_output_flags+0x259/0x480 [ 9938.513598][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9938.513598][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9938.513598][ T1167] netlink_rcv_skb+0x130/0x360 [ 9938.513598][ T1167] netlink_unicast+0x449/0x710 [ 9938.513598][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9938.513598][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9938.513598][ T1167] ___sys_sendmsg+0xee/0x170 [ 9938.513598][ T1167] __sys_sendmsg+0xcd/0x170 [ 9938.513598][ T1167] do_syscall_64+0xc6/0x1e0 [ 9938.513598][ T1167] [ 9938.515822][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9938.515822][ T1167] netdev_get_by_index+0x5e/0x80 [ 9938.515822][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9938.515822][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9938.515822][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9938.515822][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9938.515822][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9938.515822][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9938.515822][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9938.515822][ T1167] addrconf_dad_begin+0x310/0x670 [ 9938.515822][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9938.515822][ T1167] process_one_work+0x84d/0x18a0 [ 9938.515822][ T1167] worker_thread+0x587/0xd30 [ 9938.515822][ T1167] kthread+0x28a/0x350 [ 9938.515822][ T1167] ret_from_fork+0x31/0x70 [ 9938.515822][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9938.515822][ T1167] [ 9938.518015][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9938.518015][ T1167] netdev_get_by_index+0x5e/0x80 [ 9938.518015][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9938.518015][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9938.518015][ T1167] ip6_route_add+0x1c/0x140 [ 9938.518015][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9938.518015][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9938.518015][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9938.518015][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9938.518015][ T1167] netlink_rcv_skb+0x130/0x360 [ 9938.518015][ T1167] netlink_unicast+0x449/0x710 [ 9938.518015][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9938.518015][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9938.518015][ T1167] ___sys_sendmsg+0xee/0x170 [ 9938.518015][ T1167] __sys_sendmsg+0xcd/0x170 [ 9938.518015][ T1167] do_syscall_64+0xc6/0x1e0 [ 9938.518015][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9938.518015][ T1167] [ 9938.520286][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9938.520286][ T1167] netdev_get_by_index+0x5e/0x80 [ 9938.520286][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9938.520286][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9938.520286][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9938.520286][ T1167] ipv6_add_addr+0x411/0x2000 [ 9938.520286][ T1167] inet6_addr_add+0x30e/0xa40 [ 9938.520286][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9938.520286][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9938.520286][ T1167] netlink_rcv_skb+0x130/0x360 [ 9938.520286][ T1167] netlink_unicast+0x449/0x710 [ 9938.520286][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9938.520286][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9938.520286][ T1167] ___sys_sendmsg+0xee/0x170 [ 9938.520286][ T1167] __sys_sendmsg+0xcd/0x170 [ 9938.520286][ T1167] do_syscall_64+0xc6/0x1e0 [ 9938.520286][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9938.520286][ T1167] [ 9938.522560][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9938.522560][ T1167] netdev_get_by_index+0x5e/0x80 [ 9938.522560][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9938.522560][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9938.522560][ T1167] ip6_route_add+0x1c/0x140 [ 9938.522560][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9938.522560][ T1167] addrconf_add_dev+0xe2/0x170 [ 9938.522560][ T1167] inet6_addr_add+0x12f/0xa40 [ 9938.522560][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9938.522560][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9938.522560][ T1167] netlink_rcv_skb+0x130/0x360 [ 9938.522560][ T1167] netlink_unicast+0x449/0x710 [ 9938.522560][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9938.522560][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9938.522560][ T1167] ___sys_sendmsg+0xee/0x170 [ 9938.522560][ T1167] __sys_sendmsg+0xcd/0x170 [ 9938.522560][ T1167] do_syscall_64+0xc6/0x1e0 [ 9938.522560][ T1167] [ 9938.524771][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9938.524771][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9938.524771][ T1167] ipv6_find_idev+0x102/0x170 [ 9938.524771][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9938.524771][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9938.524771][ T1167] netlink_rcv_skb+0x130/0x360 [ 9938.524771][ T1167] netlink_unicast+0x449/0x710 [ 9938.524771][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9938.524771][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9938.524771][ T1167] ___sys_sendmsg+0xee/0x170 [ 9938.524771][ T1167] __sys_sendmsg+0xcd/0x170 [ 9938.524771][ T1167] do_syscall_64+0xc6/0x1e0 [ 9938.524771][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9938.524771][ T1167] [ 9938.526513][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9938.526513][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9938.526513][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9938.526513][ T1167] ipv6_find_idev+0x102/0x170 [ 9938.526513][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9938.526513][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9938.526513][ T1167] netlink_rcv_skb+0x130/0x360 [ 9938.526513][ T1167] netlink_unicast+0x449/0x710 [ 9938.526513][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9938.526513][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9938.526513][ T1167] ___sys_sendmsg+0xee/0x170 [ 9938.526513][ T1167] __sys_sendmsg+0xcd/0x170 [ 9938.526513][ T1167] do_syscall_64+0xc6/0x1e0 [ 9938.526513][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9938.526513][ T1167] [ 9946.169124][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9946.169527][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9946.169527][ T10] netdev_get_by_index+0x5e/0x80 [ 9946.169527][ T10] fib6_nh_init+0x3d8/0x1580 [ 9946.169527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9946.169527][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9946.169527][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9946.169527][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9946.169527][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9946.169527][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9946.169527][ T10] addrconf_dad_begin+0x310/0x670 [ 9946.169527][ T10] addrconf_dad_work+0x10b/0xab0 [ 9946.169527][ T10] process_one_work+0x84d/0x18a0 [ 9946.169527][ T10] worker_thread+0x587/0xd30 [ 9946.169527][ T10] kthread+0x28a/0x350 [ 9946.169527][ T10] ret_from_fork+0x31/0x70 [ 9946.169527][ T10] ret_from_fork_asm+0x1a/0x30 [ 9946.169527][ T10] [ 9946.171456][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9946.171456][ T10] netdev_get_by_index+0x5e/0x80 [ 9946.171456][ T10] fib6_nh_init+0x3d8/0x1580 [ 9946.171456][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9946.171456][ T10] ip6_route_add+0x1c/0x140 [ 9946.171456][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9946.171456][ T10] inet6_addr_add+0x4f8/0xa40 [ 9946.171456][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9946.171456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9946.171456][ T10] netlink_rcv_skb+0x130/0x360 [ 9946.171456][ T10] netlink_unicast+0x449/0x710 [ 9946.171456][ T10] netlink_sendmsg+0x723/0xbe0 [ 9946.171456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9946.171456][ T10] ___sys_sendmsg+0xee/0x170 [ 9946.171456][ T10] __sys_sendmsg+0xcd/0x170 [ 9946.171456][ T10] do_syscall_64+0xc6/0x1e0 [ 9946.171456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9946.171456][ T10] [ 9946.173463][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9946.173463][ T10] netdev_get_by_index+0x5e/0x80 [ 9946.173463][ T10] fib6_nh_init+0x3d8/0x1580 [ 9946.173463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9946.173463][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9946.173463][ T10] ipv6_add_addr+0x411/0x2000 [ 9946.173463][ T10] inet6_addr_add+0x30e/0xa40 [ 9946.173463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9946.173463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9946.173463][ T10] netlink_rcv_skb+0x130/0x360 [ 9946.173463][ T10] netlink_unicast+0x449/0x710 [ 9946.173463][ T10] netlink_sendmsg+0x723/0xbe0 [ 9946.173463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9946.173463][ T10] ___sys_sendmsg+0xee/0x170 [ 9946.173463][ T10] __sys_sendmsg+0xcd/0x170 [ 9946.173463][ T10] do_syscall_64+0xc6/0x1e0 [ 9946.173463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9946.173463][ T10] [ 9946.175450][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9946.175450][ T10] netdev_get_by_index+0x5e/0x80 [ 9946.175450][ T10] fib6_nh_init+0x3d8/0x1580 [ 9946.175450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9946.175450][ T10] ip6_route_add+0x1c/0x140 [ 9946.175450][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9946.175450][ T10] addrconf_add_dev+0xe2/0x170 [ 9946.175450][ T10] inet6_addr_add+0x12f/0xa40 [ 9946.175450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9946.175450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9946.175450][ T10] netlink_rcv_skb+0x130/0x360 [ 9946.175450][ T10] netlink_unicast+0x449/0x710 [ 9946.175450][ T10] netlink_sendmsg+0x723/0xbe0 [ 9946.175450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9946.175450][ T10] ___sys_sendmsg+0xee/0x170 [ 9946.175450][ T10] __sys_sendmsg+0xcd/0x170 [ 9946.175450][ T10] do_syscall_64+0xc6/0x1e0 [ 9946.175450][ T10] [ 9946.177404][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9946.177404][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9946.177404][ T10] ipv6_find_idev+0x102/0x170 [ 9946.177404][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9946.177404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9946.177404][ T10] netlink_rcv_skb+0x130/0x360 [ 9946.177404][ T10] netlink_unicast+0x449/0x710 [ 9946.177404][ T10] netlink_sendmsg+0x723/0xbe0 [ 9946.177404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9946.177404][ T10] ___sys_sendmsg+0xee/0x170 [ 9946.177404][ T10] __sys_sendmsg+0xcd/0x170 [ 9946.177404][ T10] do_syscall_64+0xc6/0x1e0 [ 9946.177404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9946.177404][ T10] [ 9946.178932][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9946.178932][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9946.178932][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9946.178932][ T10] ipv6_find_idev+0x102/0x170 [ 9946.178932][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9946.178932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9946.178932][ T10] netlink_rcv_skb+0x130/0x360 [ 9946.178932][ T10] netlink_unicast+0x449/0x710 [ 9946.178932][ T10] netlink_sendmsg+0x723/0xbe0 [ 9946.178932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9946.178932][ T10] ___sys_sendmsg+0xee/0x170 [ 9946.178932][ T10] __sys_sendmsg+0xcd/0x170 [ 9946.178932][ T10] do_syscall_64+0xc6/0x1e0 [ 9946.178932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9946.178932][ T10] [ 9946.180605][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9946.180849][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9946.180849][ T10] netdev_get_by_index+0x5e/0x80 [ 9946.180849][ T10] fib6_nh_init+0x3d8/0x1580 [ 9946.180849][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9946.180849][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9946.180849][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9946.180849][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9946.180849][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9946.180849][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9946.180849][ T10] addrconf_dad_begin+0x310/0x670 [ 9946.180849][ T10] addrconf_dad_work+0x10b/0xab0 [ 9946.180849][ T10] process_one_work+0x84d/0x18a0 [ 9946.180849][ T10] worker_thread+0x587/0xd30 [ 9946.180849][ T10] kthread+0x28a/0x350 [ 9946.180849][ T10] ret_from_fork+0x31/0x70 [ 9946.180849][ T10] ret_from_fork_asm+0x1a/0x30 [ 9946.180849][ T10] [ 9946.182750][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9946.182750][ T10] netdev_get_by_index+0x5e/0x80 [ 9946.182750][ T10] fib6_nh_init+0x3d8/0x1580 [ 9946.182750][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9946.182750][ T10] ip6_route_add+0x1c/0x140 [ 9946.182750][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9946.182750][ T10] inet6_addr_add+0x4f8/0xa40 [ 9946.182750][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9946.182750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9946.182750][ T10] netlink_rcv_skb+0x130/0x360 [ 9946.182750][ T10] netlink_unicast+0x449/0x710 [ 9946.182750][ T10] netlink_sendmsg+0x723/0xbe0 [ 9946.182750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9946.182750][ T10] ___sys_sendmsg+0xee/0x170 [ 9946.182750][ T10] __sys_sendmsg+0xcd/0x170 [ 9946.182750][ T10] do_syscall_64+0xc6/0x1e0 [ 9946.182750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9946.182750][ T10] [ 9946.184731][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9946.184731][ T10] netdev_get_by_index+0x5e/0x80 [ 9946.184731][ T10] fib6_nh_init+0x3d8/0x1580 [ 9946.184731][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9946.184731][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9946.184731][ T10] ipv6_add_addr+0x411/0x2000 [ 9946.184731][ T10] inet6_addr_add+0x30e/0xa40 [ 9946.184731][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9946.184731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9946.184731][ T10] netlink_rcv_skb+0x130/0x360 [ 9946.184731][ T10] netlink_unicast+0x449/0x710 [ 9946.184731][ T10] netlink_sendmsg+0x723/0xbe0 [ 9946.184731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9946.184731][ T10] ___sys_sendmsg+0xee/0x170 [ 9946.184731][ T10] __sys_sendmsg+0xcd/0x170 [ 9946.184731][ T10] do_syscall_64+0xc6/0x1e0 [ 9946.184731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9946.184731][ T10] [ 9946.186714][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9946.186714][ T10] netdev_get_by_index+0x5e/0x80 [ 9946.186714][ T10] fib6_nh_init+0x3d8/0x1580 [ 9946.186714][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9946.186714][ T10] ip6_route_add+0x1c/0x140 [ 9946.186714][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9946.186714][ T10] addrconf_add_dev+0xe2/0x170 [ 9946.186714][ T10] inet6_addr_add+0x12f/0xa40 [ 9946.186714][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9946.186714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9946.186714][ T10] netlink_rcv_skb+0x130/0x360 [ 9946.186714][ T10] netlink_unicast+0x449/0x710 [ 9946.186714][ T10] netlink_sendmsg+0x723/0xbe0 [ 9946.186714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9946.186714][ T10] ___sys_sendmsg+0xee/0x170 [ 9946.186714][ T10] __sys_sendmsg+0xcd/0x170 [ 9946.186714][ T10] do_syscall_64+0xc6/0x1e0 [ 9946.186714][ T10] [ 9946.188668][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9946.188668][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9946.188668][ T10] ipv6_find_idev+0x102/0x170 [ 9946.188668][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9946.188668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9946.188668][ T10] netlink_rcv_skb+0x130/0x360 [ 9946.188668][ T10] netlink_unicast+0x449/0x710 [ 9946.188668][ T10] netlink_sendmsg+0x723/0xbe0 [ 9946.188668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9946.188668][ T10] ___sys_sendmsg+0xee/0x170 [ 9946.188668][ T10] __sys_sendmsg+0xcd/0x170 [ 9946.188668][ T10] do_syscall_64+0xc6/0x1e0 [ 9946.188668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9946.188668][ T10] [ 9946.190195][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9946.190195][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9946.190195][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9946.190195][ T10] ipv6_find_idev+0x102/0x170 [ 9946.190195][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9946.190195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9946.190195][ T10] netlink_rcv_skb+0x130/0x360 [ 9946.190195][ T10] netlink_unicast+0x449/0x710 [ 9946.190195][ T10] netlink_sendmsg+0x723/0xbe0 [ 9946.190195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9946.190195][ T10] ___sys_sendmsg+0xee/0x170 [ 9946.190195][ T10] __sys_sendmsg+0xcd/0x170 [ 9946.190195][ T10] do_syscall_64+0xc6/0x1e0 [ 9946.190195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9946.190195][ T10] [ 9946.191874][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9946.192120][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9946.192120][ T10] netdev_get_by_index+0x5e/0x80 [ 9946.192120][ T10] fib6_nh_init+0x3d8/0x1580 [ 9946.192120][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9946.192120][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9946.192120][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9946.192120][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9946.192120][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9946.192120][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9946.192120][ T10] addrconf_dad_begin+0x310/0x670 [ 9946.192120][ T10] addrconf_dad_work+0x10b/0xab0 [ 9946.192120][ T10] process_one_work+0x84d/0x18a0 [ 9946.192120][ T10] worker_thread+0x587/0xd30 [ 9946.192120][ T10] kthread+0x28a/0x350 [ 9946.192120][ T10] ret_from_fork+0x31/0x70 [ 9946.192120][ T10] ret_from_fork_asm+0x1a/0x30 [ 9946.192120][ T10] [ 9946.194014][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9946.194014][ T10] netdev_get_by_index+0x5e/0x80 [ 9946.194014][ T10] fib6_nh_init+0x3d8/0x1580 [ 9946.194014][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9946.194014][ T10] ip6_route_add+0x1c/0x140 [ 9946.194014][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9946.194014][ T10] inet6_addr_add+0x4f8/0xa40 [ 9946.194014][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9946.194014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9946.194014][ T10] netlink_rcv_skb+0x130/0x360 [ 9946.194014][ T10] netlink_unicast+0x449/0x710 [ 9946.194014][ T10] netlink_sendmsg+0x723/0xbe0 [ 9946.194014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9946.194014][ T10] ___sys_sendmsg+0xee/0x170 [ 9946.194014][ T10] __sys_sendmsg+0xcd/0x170 [ 9946.194014][ T10] do_syscall_64+0xc6/0x1e0 [ 9946.194014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9946.194014][ T10] [ 9946.196182][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9946.196182][ T10] netdev_get_by_index+0x5e/0x80 [ 9946.196182][ T10] fib6_nh_init+0x3d8/0x1580 [ 9946.196182][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9946.196182][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9946.196182][ T10] ipv6_add_addr+0x411/0x2000 [ 9946.196182][ T10] inet6_addr_add+0x30e/0xa40 [ 9946.196182][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9946.196182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9946.196182][ T10] netlink_rcv_skb+0x130/0x360 [ 9946.196182][ T10] netlink_unicast+0x449/0x710 [ 9946.196182][ T10] netlink_sendmsg+0x723/0xbe0 [ 9946.196182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9946.196182][ T10] ___sys_sendmsg+0xee/0x170 [ 9946.196182][ T10] __sys_sendmsg+0xcd/0x170 [ 9946.196182][ T10] do_syscall_64+0xc6/0x1e0 [ 9946.196182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9946.196182][ T10] [ 9946.198472][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9946.198472][ T10] netdev_get_by_index+0x5e/0x80 [ 9946.198472][ T10] fib6_nh_init+0x3d8/0x1580 [ 9946.198472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9946.198472][ T10] ip6_route_add+0x1c/0x140 [ 9946.198472][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9946.198472][ T10] addrconf_add_dev+0xe2/0x170 [ 9946.198472][ T10] inet6_addr_add+0x12f/0xa40 [ 9946.198472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9946.198472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9946.198472][ T10] netlink_rcv_skb+0x130/0x360 [ 9946.198472][ T10] netlink_unicast+0x449/0x710 [ 9946.198472][ T10] netlink_sendmsg+0x723/0xbe0 [ 9946.198472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9946.198472][ T10] ___sys_sendmsg+0xee/0x170 [ 9946.198472][ T10] __sys_sendmsg+0xcd/0x170 [ 9946.198472][ T10] do_syscall_64+0xc6/0x1e0 [ 9946.198472][ T10] [ 9946.200595][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9946.200595][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9946.200595][ T10] ipv6_find_idev+0x102/0x170 [ 9946.200595][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9946.200595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9946.200595][ T10] netlink_rcv_skb+0x130/0x360 [ 9946.200595][ T10] netlink_unicast+0x449/0x710 [ 9946.200595][ T10] netlink_sendmsg+0x723/0xbe0 [ 9946.200595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9946.200595][ T10] ___sys_sendmsg+0xee/0x170 [ 9946.200595][ T10] __sys_sendmsg+0xcd/0x170 [ 9946.200595][ T10] do_syscall_64+0xc6/0x1e0 [ 9946.200595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9946.200595][ T10] [ 9946.202311][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9946.202311][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9946.202311][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9946.202311][ T10] ipv6_find_idev+0x102/0x170 [ 9946.202311][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9946.202311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9946.202311][ T10] netlink_rcv_skb+0x130/0x360 [ 9946.202311][ T10] netlink_unicast+0x449/0x710 [ 9946.202311][ T10] netlink_sendmsg+0x723/0xbe0 [ 9946.202311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9946.202311][ T10] ___sys_sendmsg+0xee/0x170 [ 9946.202311][ T10] __sys_sendmsg+0xcd/0x170 [ 9946.202311][ T10] do_syscall_64+0xc6/0x1e0 [ 9946.202311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9946.202311][ T10] [ 9946.204163][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9946.204398][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9946.204398][ T10] netdev_get_by_index+0x5e/0x80 [ 9946.204398][ T10] fib6_nh_init+0x3d8/0x1580 [ 9946.204398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9946.204398][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9946.204398][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9946.204398][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9946.204398][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9946.204398][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9946.204398][ T10] addrconf_dad_begin+0x310/0x670 [ 9946.204398][ T10] addrconf_dad_work+0x10b/0xab0 [ 9946.204398][ T10] process_one_work+0x84d/0x18a0 [ 9946.204398][ T10] worker_thread+0x587/0xd30 [ 9946.204398][ T10] kthread+0x28a/0x350 [ 9946.204398][ T10] ret_from_fork+0x31/0x70 [ 9946.204398][ T10] ret_from_fork_asm+0x1a/0x30 [ 9946.204398][ T10] [ 9946.206600][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9946.206600][ T10] netdev_get_by_index+0x5e/0x80 [ 9946.206600][ T10] fib6_nh_init+0x3d8/0x1580 [ 9946.206600][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9946.206600][ T10] ip6_route_add+0x1c/0x140 [ 9946.206600][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9946.206600][ T10] inet6_addr_add+0x4f8/0xa40 [ 9946.206600][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9946.206600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9946.206600][ T10] netlink_rcv_skb+0x130/0x360 [ 9946.206600][ T10] netlink_unicast+0x449/0x710 [ 9946.206600][ T10] netlink_sendmsg+0x723/0xbe0 [ 9946.206600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9946.206600][ T10] ___sys_sendmsg+0xee/0x170 [ 9946.206600][ T10] __sys_sendmsg+0xcd/0x170 [ 9946.206600][ T10] do_syscall_64+0xc6/0x1e0 [ 9946.206600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9946.206600][ T10] [ 9946.208762][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9946.208762][ T10] netdev_get_by_index+0x5e/0x80 [ 9946.208762][ T10] fib6_nh_init+0x3d8/0x1580 [ 9946.208762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9946.208762][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9946.208762][ T10] ipv6_add_addr+0x411/0x2000 [ 9946.208762][ T10] inet6_addr_add+0x30e/0xa40 [ 9946.208762][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9946.208762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9946.208762][ T10] netlink_rcv_skb+0x130/0x360 [ 9946.208762][ T10] netlink_unicast+0x449/0x710 [ 9946.208762][ T10] netlink_sendmsg+0x723/0xbe0 [ 9946.208762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9946.208762][ T10] ___sys_sendmsg+0xee/0x170 [ 9946.208762][ T10] __sys_sendmsg+0xcd/0x170 [ 9946.208762][ T10] do_syscall_64+0xc6/0x1e0 [ 9946.208762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9946.208762][ T10] [ 9946.210988][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9946.210988][ T10] netdev_get_by_index+0x5e/0x80 [ 9946.210988][ T10] fib6_nh_init+0x3d8/0x1580 [ 9946.210988][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9946.210988][ T10] ip6_route_add+0x1c/0x140 [ 9946.210988][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9946.210988][ T10] addrconf_add_dev+0xe2/0x170 [ 9946.210988][ T10] inet6_addr_add+0x12f/0xa40 [ 9946.210988][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9946.210988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9946.210988][ T10] netlink_rcv_skb+0x130/0x360 [ 9946.210988][ T10] netlink_unicast+0x449/0x710 [ 9946.210988][ T10] netlink_sendmsg+0x723/0xbe0 [ 9946.210988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9946.210988][ T10] ___sys_sendmsg+0xee/0x170 [ 9946.210988][ T10] __sys_sendmsg+0xcd/0x170 [ 9946.210988][ T10] do_syscall_64+0xc6/0x1e0 [ 9946.210988][ T10] [ 9946.213194][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9946.213194][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9946.213194][ T10] ipv6_find_idev+0x102/0x170 [ 9946.213194][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9946.213194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9946.213194][ T10] netlink_rcv_skb+0x130/0x360 [ 9946.213194][ T10] netlink_unicast+0x449/0x710 [ 9946.213194][ T10] netlink_sendmsg+0x723/0xbe0 [ 9946.213194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9946.213194][ T10] ___sys_sendmsg+0xee/0x170 [ 9946.213194][ T10] __sys_sendmsg+0xcd/0x170 [ 9946.213194][ T10] do_syscall_64+0xc6/0x1e0 [ 9946.213194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9946.213194][ T10] [ 9946.214861][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9946.214861][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9946.214861][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9946.214861][ T10] ipv6_find_idev+0x102/0x170 [ 9946.214861][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9946.214861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9946.214861][ T10] netlink_rcv_skb+0x130/0x360 [ 9946.214861][ T10] netlink_unicast+0x449/0x710 [ 9946.214861][ T10] netlink_sendmsg+0x723/0xbe0 [ 9946.214861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9946.214861][ T10] ___sys_sendmsg+0xee/0x170 [ 9946.214861][ T10] __sys_sendmsg+0xcd/0x170 [ 9946.214861][ T10] do_syscall_64+0xc6/0x1e0 [ 9946.214861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9946.214861][ T10] [ 9948.537108][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9948.537585][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9948.537585][ T1167] dst_init+0x84/0x4a0 [ 9948.537585][ T1167] dst_alloc+0x97/0x150 [ 9948.537585][ T1167] ip6_dst_alloc+0x23/0x90 [ 9948.537585][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9948.537585][ T1167] ip6_pol_route+0x56f/0x840 [ 9948.537585][ T1167] fib6_rule_lookup+0x334/0x630 [ 9948.537585][ T1167] ip6_route_output_flags+0x259/0x480 [ 9948.537585][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9948.537585][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9948.537585][ T1167] netlink_rcv_skb+0x130/0x360 [ 9948.537585][ T1167] netlink_unicast+0x449/0x710 [ 9948.537585][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9948.537585][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9948.537585][ T1167] ___sys_sendmsg+0xee/0x170 [ 9948.537585][ T1167] __sys_sendmsg+0xcd/0x170 [ 9948.537585][ T1167] do_syscall_64+0xc6/0x1e0 [ 9948.537585][ T1167] [ 9948.539809][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9948.539809][ T1167] netdev_get_by_index+0x5e/0x80 [ 9948.539809][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9948.539809][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9948.539809][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9948.539809][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9948.539809][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9948.539809][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9948.539809][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9948.539809][ T1167] addrconf_dad_begin+0x310/0x670 [ 9948.539809][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9948.539809][ T1167] process_one_work+0x84d/0x18a0 [ 9948.539809][ T1167] worker_thread+0x587/0xd30 [ 9948.539809][ T1167] kthread+0x28a/0x350 [ 9948.539809][ T1167] ret_from_fork+0x31/0x70 [ 9948.539809][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9948.539809][ T1167] [ 9948.541977][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9948.541977][ T1167] netdev_get_by_index+0x5e/0x80 [ 9948.541977][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9948.541977][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9948.541977][ T1167] ip6_route_add+0x1c/0x140 [ 9948.541977][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9948.541977][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9948.541977][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9948.541977][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9948.541977][ T1167] netlink_rcv_skb+0x130/0x360 [ 9948.541977][ T1167] netlink_unicast+0x449/0x710 [ 9948.541977][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9948.541977][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9948.541977][ T1167] ___sys_sendmsg+0xee/0x170 [ 9948.541977][ T1167] __sys_sendmsg+0xcd/0x170 [ 9948.541977][ T1167] do_syscall_64+0xc6/0x1e0 [ 9948.541977][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9948.541977][ T1167] [ 9948.544230][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9948.544230][ T1167] netdev_get_by_index+0x5e/0x80 [ 9948.544230][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9948.544230][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9948.544230][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9948.544230][ T1167] ipv6_add_addr+0x411/0x2000 [ 9948.544230][ T1167] inet6_addr_add+0x30e/0xa40 [ 9948.544230][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9948.544230][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9948.544230][ T1167] netlink_rcv_skb+0x130/0x360 [ 9948.544230][ T1167] netlink_unicast+0x449/0x710 [ 9948.544230][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9948.544230][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9948.544230][ T1167] ___sys_sendmsg+0xee/0x170 [ 9948.544230][ T1167] __sys_sendmsg+0xcd/0x170 [ 9948.544230][ T1167] do_syscall_64+0xc6/0x1e0 [ 9948.544230][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9948.544230][ T1167] [ 9948.546484][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9948.546484][ T1167] netdev_get_by_index+0x5e/0x80 [ 9948.546484][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9948.546484][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9948.546484][ T1167] ip6_route_add+0x1c/0x140 [ 9948.546484][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9948.546484][ T1167] addrconf_add_dev+0xe2/0x170 [ 9948.546484][ T1167] inet6_addr_add+0x12f/0xa40 [ 9948.546484][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9948.546484][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9948.546484][ T1167] netlink_rcv_skb+0x130/0x360 [ 9948.546484][ T1167] netlink_unicast+0x449/0x710 [ 9948.546484][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9948.546484][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9948.546484][ T1167] ___sys_sendmsg+0xee/0x170 [ 9948.546484][ T1167] __sys_sendmsg+0xcd/0x170 [ 9948.546484][ T1167] do_syscall_64+0xc6/0x1e0 [ 9948.546484][ T1167] [ 9948.548693][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9948.548693][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9948.548693][ T1167] ipv6_find_idev+0x102/0x170 [ 9948.548693][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9948.548693][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9948.548693][ T1167] netlink_rcv_skb+0x130/0x360 [ 9948.548693][ T1167] netlink_unicast+0x449/0x710 [ 9948.548693][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9948.548693][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9948.548693][ T1167] ___sys_sendmsg+0xee/0x170 [ 9948.548693][ T1167] __sys_sendmsg+0xcd/0x170 [ 9948.548693][ T1167] do_syscall_64+0xc6/0x1e0 [ 9948.548693][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9948.548693][ T1167] [ 9948.550429][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9948.550429][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9948.550429][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9948.550429][ T1167] ipv6_find_idev+0x102/0x170 [ 9948.550429][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9948.550429][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9948.550429][ T1167] netlink_rcv_skb+0x130/0x360 [ 9948.550429][ T1167] netlink_unicast+0x449/0x710 [ 9948.550429][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9948.550429][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9948.550429][ T1167] ___sys_sendmsg+0xee/0x170 [ 9948.550429][ T1167] __sys_sendmsg+0xcd/0x170 [ 9948.550429][ T1167] do_syscall_64+0xc6/0x1e0 [ 9948.550429][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9948.550429][ T1167] [ 9956.457112][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9956.457541][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9956.457541][ T10] netdev_get_by_index+0x5e/0x80 [ 9956.457541][ T10] fib6_nh_init+0x3d8/0x1580 [ 9956.457541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9956.457541][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9956.457541][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9956.457541][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9956.457541][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9956.457541][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9956.457541][ T10] addrconf_dad_begin+0x310/0x670 [ 9956.457541][ T10] addrconf_dad_work+0x10b/0xab0 [ 9956.457541][ T10] process_one_work+0x84d/0x18a0 [ 9956.457541][ T10] worker_thread+0x587/0xd30 [ 9956.457541][ T10] kthread+0x28a/0x350 [ 9956.457541][ T10] ret_from_fork+0x31/0x70 [ 9956.457541][ T10] ret_from_fork_asm+0x1a/0x30 [ 9956.457541][ T10] [ 9956.459477][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9956.459477][ T10] netdev_get_by_index+0x5e/0x80 [ 9956.459477][ T10] fib6_nh_init+0x3d8/0x1580 [ 9956.459477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9956.459477][ T10] ip6_route_add+0x1c/0x140 [ 9956.459477][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9956.459477][ T10] inet6_addr_add+0x4f8/0xa40 [ 9956.459477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9956.459477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9956.459477][ T10] netlink_rcv_skb+0x130/0x360 [ 9956.459477][ T10] netlink_unicast+0x449/0x710 [ 9956.459477][ T10] netlink_sendmsg+0x723/0xbe0 [ 9956.459477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9956.459477][ T10] ___sys_sendmsg+0xee/0x170 [ 9956.459477][ T10] __sys_sendmsg+0xcd/0x170 [ 9956.459477][ T10] do_syscall_64+0xc6/0x1e0 [ 9956.459477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9956.459477][ T10] [ 9956.461471][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9956.461471][ T10] netdev_get_by_index+0x5e/0x80 [ 9956.461471][ T10] fib6_nh_init+0x3d8/0x1580 [ 9956.461471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9956.461471][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9956.461471][ T10] ipv6_add_addr+0x411/0x2000 [ 9956.461471][ T10] inet6_addr_add+0x30e/0xa40 [ 9956.461471][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9956.461471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9956.461471][ T10] netlink_rcv_skb+0x130/0x360 [ 9956.461471][ T10] netlink_unicast+0x449/0x710 [ 9956.461471][ T10] netlink_sendmsg+0x723/0xbe0 [ 9956.461471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9956.461471][ T10] ___sys_sendmsg+0xee/0x170 [ 9956.461471][ T10] __sys_sendmsg+0xcd/0x170 [ 9956.461471][ T10] do_syscall_64+0xc6/0x1e0 [ 9956.461471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9956.461471][ T10] [ 9956.463465][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9956.463465][ T10] netdev_get_by_index+0x5e/0x80 [ 9956.463465][ T10] fib6_nh_init+0x3d8/0x1580 [ 9956.463465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9956.463465][ T10] ip6_route_add+0x1c/0x140 [ 9956.463465][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9956.463465][ T10] addrconf_add_dev+0xe2/0x170 [ 9956.463465][ T10] inet6_addr_add+0x12f/0xa40 [ 9956.463465][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9956.463465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9956.463465][ T10] netlink_rcv_skb+0x130/0x360 [ 9956.463465][ T10] netlink_unicast+0x449/0x710 [ 9956.463465][ T10] netlink_sendmsg+0x723/0xbe0 [ 9956.463465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9956.463465][ T10] ___sys_sendmsg+0xee/0x170 [ 9956.463465][ T10] __sys_sendmsg+0xcd/0x170 [ 9956.463465][ T10] do_syscall_64+0xc6/0x1e0 [ 9956.463465][ T10] [ 9956.465415][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9956.465415][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9956.465415][ T10] ipv6_find_idev+0x102/0x170 [ 9956.465415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9956.465415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9956.465415][ T10] netlink_rcv_skb+0x130/0x360 [ 9956.465415][ T10] netlink_unicast+0x449/0x710 [ 9956.465415][ T10] netlink_sendmsg+0x723/0xbe0 [ 9956.465415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9956.465415][ T10] ___sys_sendmsg+0xee/0x170 [ 9956.465415][ T10] __sys_sendmsg+0xcd/0x170 [ 9956.465415][ T10] do_syscall_64+0xc6/0x1e0 [ 9956.465415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9956.465415][ T10] [ 9956.466953][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9956.466953][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9956.466953][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9956.466953][ T10] ipv6_find_idev+0x102/0x170 [ 9956.466953][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9956.466953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9956.466953][ T10] netlink_rcv_skb+0x130/0x360 [ 9956.466953][ T10] netlink_unicast+0x449/0x710 [ 9956.466953][ T10] netlink_sendmsg+0x723/0xbe0 [ 9956.466953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9956.466953][ T10] ___sys_sendmsg+0xee/0x170 [ 9956.466953][ T10] __sys_sendmsg+0xcd/0x170 [ 9956.466953][ T10] do_syscall_64+0xc6/0x1e0 [ 9956.466953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9956.466953][ T10] [ 9956.468626][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9956.468863][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9956.468863][ T10] netdev_get_by_index+0x5e/0x80 [ 9956.468863][ T10] fib6_nh_init+0x3d8/0x1580 [ 9956.468863][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9956.468863][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9956.468863][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9956.468863][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9956.468863][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9956.468863][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9956.468863][ T10] addrconf_dad_begin+0x310/0x670 [ 9956.468863][ T10] addrconf_dad_work+0x10b/0xab0 [ 9956.468863][ T10] process_one_work+0x84d/0x18a0 [ 9956.468863][ T10] worker_thread+0x587/0xd30 [ 9956.468863][ T10] kthread+0x28a/0x350 [ 9956.468863][ T10] ret_from_fork+0x31/0x70 [ 9956.468863][ T10] ret_from_fork_asm+0x1a/0x30 [ 9956.468863][ T10] [ 9956.470762][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9956.470762][ T10] netdev_get_by_index+0x5e/0x80 [ 9956.470762][ T10] fib6_nh_init+0x3d8/0x1580 [ 9956.470762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9956.470762][ T10] ip6_route_add+0x1c/0x140 [ 9956.470762][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9956.470762][ T10] inet6_addr_add+0x4f8/0xa40 [ 9956.470762][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9956.470762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9956.470762][ T10] netlink_rcv_skb+0x130/0x360 [ 9956.470762][ T10] netlink_unicast+0x449/0x710 [ 9956.470762][ T10] netlink_sendmsg+0x723/0xbe0 [ 9956.470762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9956.470762][ T10] ___sys_sendmsg+0xee/0x170 [ 9956.470762][ T10] __sys_sendmsg+0xcd/0x170 [ 9956.470762][ T10] do_syscall_64+0xc6/0x1e0 [ 9956.470762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9956.470762][ T10] [ 9956.472742][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9956.472742][ T10] netdev_get_by_index+0x5e/0x80 [ 9956.472742][ T10] fib6_nh_init+0x3d8/0x1580 [ 9956.472742][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9956.472742][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9956.472742][ T10] ipv6_add_addr+0x411/0x2000 [ 9956.472742][ T10] inet6_addr_add+0x30e/0xa40 [ 9956.472742][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9956.472742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9956.472742][ T10] netlink_rcv_skb+0x130/0x360 [ 9956.472742][ T10] netlink_unicast+0x449/0x710 [ 9956.472742][ T10] netlink_sendmsg+0x723/0xbe0 [ 9956.472742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9956.472742][ T10] ___sys_sendmsg+0xee/0x170 [ 9956.472742][ T10] __sys_sendmsg+0xcd/0x170 [ 9956.472742][ T10] do_syscall_64+0xc6/0x1e0 [ 9956.472742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9956.472742][ T10] [ 9956.474727][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9956.474727][ T10] netdev_get_by_index+0x5e/0x80 [ 9956.474727][ T10] fib6_nh_init+0x3d8/0x1580 [ 9956.474727][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9956.474727][ T10] ip6_route_add+0x1c/0x140 [ 9956.474727][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9956.474727][ T10] addrconf_add_dev+0xe2/0x170 [ 9956.474727][ T10] inet6_addr_add+0x12f/0xa40 [ 9956.474727][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9956.474727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9956.474727][ T10] netlink_rcv_skb+0x130/0x360 [ 9956.474727][ T10] netlink_unicast+0x449/0x710 [ 9956.474727][ T10] netlink_sendmsg+0x723/0xbe0 [ 9956.474727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9956.474727][ T10] ___sys_sendmsg+0xee/0x170 [ 9956.474727][ T10] __sys_sendmsg+0xcd/0x170 [ 9956.474727][ T10] do_syscall_64+0xc6/0x1e0 [ 9956.474727][ T10] [ 9956.476670][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9956.476670][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9956.476670][ T10] ipv6_find_idev+0x102/0x170 [ 9956.476670][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9956.476670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9956.476670][ T10] netlink_rcv_skb+0x130/0x360 [ 9956.476670][ T10] netlink_unicast+0x449/0x710 [ 9956.476670][ T10] netlink_sendmsg+0x723/0xbe0 [ 9956.476670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9956.476670][ T10] ___sys_sendmsg+0xee/0x170 [ 9956.476670][ T10] __sys_sendmsg+0xcd/0x170 [ 9956.476670][ T10] do_syscall_64+0xc6/0x1e0 [ 9956.476670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9956.476670][ T10] [ 9956.478211][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9956.478211][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9956.478211][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9956.478211][ T10] ipv6_find_idev+0x102/0x170 [ 9956.478211][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9956.478211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9956.478211][ T10] netlink_rcv_skb+0x130/0x360 [ 9956.478211][ T10] netlink_unicast+0x449/0x710 [ 9956.478211][ T10] netlink_sendmsg+0x723/0xbe0 [ 9956.478211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9956.478211][ T10] ___sys_sendmsg+0xee/0x170 [ 9956.478211][ T10] __sys_sendmsg+0xcd/0x170 [ 9956.478211][ T10] do_syscall_64+0xc6/0x1e0 [ 9956.478211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9956.478211][ T10] [ 9956.479881][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9956.480121][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9956.480121][ T10] netdev_get_by_index+0x5e/0x80 [ 9956.480121][ T10] fib6_nh_init+0x3d8/0x1580 [ 9956.480121][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9956.480121][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9956.480121][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9956.480121][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9956.480121][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9956.480121][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9956.480121][ T10] addrconf_dad_begin+0x310/0x670 [ 9956.480121][ T10] addrconf_dad_work+0x10b/0xab0 [ 9956.480121][ T10] process_one_work+0x84d/0x18a0 [ 9956.480121][ T10] worker_thread+0x587/0xd30 [ 9956.480121][ T10] kthread+0x28a/0x350 [ 9956.480121][ T10] ret_from_fork+0x31/0x70 [ 9956.480121][ T10] ret_from_fork_asm+0x1a/0x30 [ 9956.480121][ T10] [ 9956.482017][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9956.482017][ T10] netdev_get_by_index+0x5e/0x80 [ 9956.482017][ T10] fib6_nh_init+0x3d8/0x1580 [ 9956.482017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9956.482017][ T10] ip6_route_add+0x1c/0x140 [ 9956.482017][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9956.482017][ T10] inet6_addr_add+0x4f8/0xa40 [ 9956.482017][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9956.482017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9956.482017][ T10] netlink_rcv_skb+0x130/0x360 [ 9956.482017][ T10] netlink_unicast+0x449/0x710 [ 9956.482017][ T10] netlink_sendmsg+0x723/0xbe0 [ 9956.482017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9956.482017][ T10] ___sys_sendmsg+0xee/0x170 [ 9956.482017][ T10] __sys_sendmsg+0xcd/0x170 [ 9956.482017][ T10] do_syscall_64+0xc6/0x1e0 [ 9956.482017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9956.482017][ T10] [ 9956.484181][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9956.484181][ T10] netdev_get_by_index+0x5e/0x80 [ 9956.484181][ T10] fib6_nh_init+0x3d8/0x1580 [ 9956.484181][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9956.484181][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9956.484181][ T10] ipv6_add_addr+0x411/0x2000 [ 9956.484181][ T10] inet6_addr_add+0x30e/0xa40 [ 9956.484181][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9956.484181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9956.484181][ T10] netlink_rcv_skb+0x130/0x360 [ 9956.484181][ T10] netlink_unicast+0x449/0x710 [ 9956.484181][ T10] netlink_sendmsg+0x723/0xbe0 [ 9956.484181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9956.484181][ T10] ___sys_sendmsg+0xee/0x170 [ 9956.484181][ T10] __sys_sendmsg+0xcd/0x170 [ 9956.484181][ T10] do_syscall_64+0xc6/0x1e0 [ 9956.484181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9956.484181][ T10] [ 9956.486475][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9956.486475][ T10] netdev_get_by_index+0x5e/0x80 [ 9956.486475][ T10] fib6_nh_init+0x3d8/0x1580 [ 9956.486475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9956.486475][ T10] ip6_route_add+0x1c/0x140 [ 9956.486475][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9956.486475][ T10] addrconf_add_dev+0xe2/0x170 [ 9956.486475][ T10] inet6_addr_add+0x12f/0xa40 [ 9956.486475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9956.486475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9956.486475][ T10] netlink_rcv_skb+0x130/0x360 [ 9956.486475][ T10] netlink_unicast+0x449/0x710 [ 9956.486475][ T10] netlink_sendmsg+0x723/0xbe0 [ 9956.486475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9956.486475][ T10] ___sys_sendmsg+0xee/0x170 [ 9956.486475][ T10] __sys_sendmsg+0xcd/0x170 [ 9956.486475][ T10] do_syscall_64+0xc6/0x1e0 [ 9956.486475][ T10] [ 9956.488598][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9956.488598][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9956.488598][ T10] ipv6_find_idev+0x102/0x170 [ 9956.488598][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9956.488598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9956.488598][ T10] netlink_rcv_skb+0x130/0x360 [ 9956.488598][ T10] netlink_unicast+0x449/0x710 [ 9956.488598][ T10] netlink_sendmsg+0x723/0xbe0 [ 9956.488598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9956.488598][ T10] ___sys_sendmsg+0xee/0x170 [ 9956.488598][ T10] __sys_sendmsg+0xcd/0x170 [ 9956.488598][ T10] do_syscall_64+0xc6/0x1e0 [ 9956.488598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9956.488598][ T10] [ 9956.490306][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9956.490306][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9956.490306][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9956.490306][ T10] ipv6_find_idev+0x102/0x170 [ 9956.490306][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9956.490306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9956.490306][ T10] netlink_rcv_skb+0x130/0x360 [ 9956.490306][ T10] netlink_unicast+0x449/0x710 [ 9956.490306][ T10] netlink_sendmsg+0x723/0xbe0 [ 9956.490306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9956.490306][ T10] ___sys_sendmsg+0xee/0x170 [ 9956.490306][ T10] __sys_sendmsg+0xcd/0x170 [ 9956.490306][ T10] do_syscall_64+0xc6/0x1e0 [ 9956.490306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9956.490306][ T10] [ 9956.492178][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9956.492419][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9956.492419][ T10] netdev_get_by_index+0x5e/0x80 [ 9956.492419][ T10] fib6_nh_init+0x3d8/0x1580 [ 9956.492419][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9956.492419][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9956.492419][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9956.492419][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9956.492419][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9956.492419][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9956.492419][ T10] addrconf_dad_begin+0x310/0x670 [ 9956.492419][ T10] addrconf_dad_work+0x10b/0xab0 [ 9956.492419][ T10] process_one_work+0x84d/0x18a0 [ 9956.492419][ T10] worker_thread+0x587/0xd30 [ 9956.492419][ T10] kthread+0x28a/0x350 [ 9956.492419][ T10] ret_from_fork+0x31/0x70 [ 9956.492419][ T10] ret_from_fork_asm+0x1a/0x30 [ 9956.492419][ T10] [ 9956.494616][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9956.494616][ T10] netdev_get_by_index+0x5e/0x80 [ 9956.494616][ T10] fib6_nh_init+0x3d8/0x1580 [ 9956.494616][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9956.494616][ T10] ip6_route_add+0x1c/0x140 [ 9956.494616][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9956.494616][ T10] inet6_addr_add+0x4f8/0xa40 [ 9956.494616][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9956.494616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9956.494616][ T10] netlink_rcv_skb+0x130/0x360 [ 9956.494616][ T10] netlink_unicast+0x449/0x710 [ 9956.494616][ T10] netlink_sendmsg+0x723/0xbe0 [ 9956.494616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9956.494616][ T10] ___sys_sendmsg+0xee/0x170 [ 9956.494616][ T10] __sys_sendmsg+0xcd/0x170 [ 9956.494616][ T10] do_syscall_64+0xc6/0x1e0 [ 9956.494616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9956.494616][ T10] [ 9956.496776][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9956.496776][ T10] netdev_get_by_index+0x5e/0x80 [ 9956.496776][ T10] fib6_nh_init+0x3d8/0x1580 [ 9956.496776][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9956.496776][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9956.496776][ T10] ipv6_add_addr+0x411/0x2000 [ 9956.496776][ T10] inet6_addr_add+0x30e/0xa40 [ 9956.496776][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9956.496776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9956.496776][ T10] netlink_rcv_skb+0x130/0x360 [ 9956.496776][ T10] netlink_unicast+0x449/0x710 [ 9956.496776][ T10] netlink_sendmsg+0x723/0xbe0 [ 9956.496776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9956.496776][ T10] ___sys_sendmsg+0xee/0x170 [ 9956.496776][ T10] __sys_sendmsg+0xcd/0x170 [ 9956.496776][ T10] do_syscall_64+0xc6/0x1e0 [ 9956.496776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9956.496776][ T10] [ 9956.498997][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9956.498997][ T10] netdev_get_by_index+0x5e/0x80 [ 9956.498997][ T10] fib6_nh_init+0x3d8/0x1580 [ 9956.498997][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9956.498997][ T10] ip6_route_add+0x1c/0x140 [ 9956.498997][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9956.498997][ T10] addrconf_add_dev+0xe2/0x170 [ 9956.498997][ T10] inet6_addr_add+0x12f/0xa40 [ 9956.498997][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9956.498997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9956.498997][ T10] netlink_rcv_skb+0x130/0x360 [ 9956.498997][ T10] netlink_unicast+0x449/0x710 [ 9956.498997][ T10] netlink_sendmsg+0x723/0xbe0 [ 9956.498997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9956.498997][ T10] ___sys_sendmsg+0xee/0x170 [ 9956.498997][ T10] __sys_sendmsg+0xcd/0x170 [ 9956.498997][ T10] do_syscall_64+0xc6/0x1e0 [ 9956.498997][ T10] [ 9956.501189][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9956.501189][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9956.501189][ T10] ipv6_find_idev+0x102/0x170 [ 9956.501189][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9956.501189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9956.501189][ T10] netlink_rcv_skb+0x130/0x360 [ 9956.501189][ T10] netlink_unicast+0x449/0x710 [ 9956.501189][ T10] netlink_sendmsg+0x723/0xbe0 [ 9956.501189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9956.501189][ T10] ___sys_sendmsg+0xee/0x170 [ 9956.501189][ T10] __sys_sendmsg+0xcd/0x170 [ 9956.501189][ T10] do_syscall_64+0xc6/0x1e0 [ 9956.501189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9956.501189][ T10] [ 9956.502899][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9956.502899][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9956.502899][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9956.502899][ T10] ipv6_find_idev+0x102/0x170 [ 9956.502899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9956.502899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9956.502899][ T10] netlink_rcv_skb+0x130/0x360 [ 9956.502899][ T10] netlink_unicast+0x449/0x710 [ 9956.502899][ T10] netlink_sendmsg+0x723/0xbe0 [ 9956.502899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9956.502899][ T10] ___sys_sendmsg+0xee/0x170 [ 9956.502899][ T10] __sys_sendmsg+0xcd/0x170 [ 9956.502899][ T10] do_syscall_64+0xc6/0x1e0 [ 9956.502899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9956.502899][ T10] [ 9958.561109][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9958.561603][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9958.561603][ T1167] dst_init+0x84/0x4a0 [ 9958.561603][ T1167] dst_alloc+0x97/0x150 [ 9958.561603][ T1167] ip6_dst_alloc+0x23/0x90 [ 9958.561603][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9958.561603][ T1167] ip6_pol_route+0x56f/0x840 [ 9958.561603][ T1167] fib6_rule_lookup+0x334/0x630 [ 9958.561603][ T1167] ip6_route_output_flags+0x259/0x480 [ 9958.561603][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9958.561603][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9958.561603][ T1167] netlink_rcv_skb+0x130/0x360 [ 9958.561603][ T1167] netlink_unicast+0x449/0x710 [ 9958.561603][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9958.561603][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9958.561603][ T1167] ___sys_sendmsg+0xee/0x170 [ 9958.561603][ T1167] __sys_sendmsg+0xcd/0x170 [ 9958.561603][ T1167] do_syscall_64+0xc6/0x1e0 [ 9958.561603][ T1167] [ 9958.563819][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9958.563819][ T1167] netdev_get_by_index+0x5e/0x80 [ 9958.563819][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9958.563819][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9958.563819][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9958.563819][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9958.563819][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9958.563819][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9958.563819][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9958.563819][ T1167] addrconf_dad_begin+0x310/0x670 [ 9958.563819][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9958.563819][ T1167] process_one_work+0x84d/0x18a0 [ 9958.563819][ T1167] worker_thread+0x587/0xd30 [ 9958.563819][ T1167] kthread+0x28a/0x350 [ 9958.563819][ T1167] ret_from_fork+0x31/0x70 [ 9958.563819][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9958.563819][ T1167] [ 9958.565984][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9958.565984][ T1167] netdev_get_by_index+0x5e/0x80 [ 9958.565984][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9958.565984][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9958.565984][ T1167] ip6_route_add+0x1c/0x140 [ 9958.565984][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9958.565984][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9958.565984][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9958.565984][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9958.565984][ T1167] netlink_rcv_skb+0x130/0x360 [ 9958.565984][ T1167] netlink_unicast+0x449/0x710 [ 9958.565984][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9958.565984][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9958.565984][ T1167] ___sys_sendmsg+0xee/0x170 [ 9958.565984][ T1167] __sys_sendmsg+0xcd/0x170 [ 9958.565984][ T1167] do_syscall_64+0xc6/0x1e0 [ 9958.565984][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9958.565984][ T1167] [ 9958.568236][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9958.568236][ T1167] netdev_get_by_index+0x5e/0x80 [ 9958.568236][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9958.568236][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9958.568236][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9958.568236][ T1167] ipv6_add_addr+0x411/0x2000 [ 9958.568236][ T1167] inet6_addr_add+0x30e/0xa40 [ 9958.568236][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9958.568236][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9958.568236][ T1167] netlink_rcv_skb+0x130/0x360 [ 9958.568236][ T1167] netlink_unicast+0x449/0x710 [ 9958.568236][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9958.568236][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9958.568236][ T1167] ___sys_sendmsg+0xee/0x170 [ 9958.568236][ T1167] __sys_sendmsg+0xcd/0x170 [ 9958.568236][ T1167] do_syscall_64+0xc6/0x1e0 [ 9958.568236][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9958.568236][ T1167] [ 9958.570491][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9958.570491][ T1167] netdev_get_by_index+0x5e/0x80 [ 9958.570491][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9958.570491][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9958.570491][ T1167] ip6_route_add+0x1c/0x140 [ 9958.570491][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9958.570491][ T1167] addrconf_add_dev+0xe2/0x170 [ 9958.570491][ T1167] inet6_addr_add+0x12f/0xa40 [ 9958.570491][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9958.570491][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9958.570491][ T1167] netlink_rcv_skb+0x130/0x360 [ 9958.570491][ T1167] netlink_unicast+0x449/0x710 [ 9958.570491][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9958.570491][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9958.570491][ T1167] ___sys_sendmsg+0xee/0x170 [ 9958.570491][ T1167] __sys_sendmsg+0xcd/0x170 [ 9958.570491][ T1167] do_syscall_64+0xc6/0x1e0 [ 9958.570491][ T1167] [ 9958.572711][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9958.572711][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9958.572711][ T1167] ipv6_find_idev+0x102/0x170 [ 9958.572711][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9958.572711][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9958.572711][ T1167] netlink_rcv_skb+0x130/0x360 [ 9958.572711][ T1167] netlink_unicast+0x449/0x710 [ 9958.572711][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9958.572711][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9958.572711][ T1167] ___sys_sendmsg+0xee/0x170 [ 9958.572711][ T1167] __sys_sendmsg+0xcd/0x170 [ 9958.572711][ T1167] do_syscall_64+0xc6/0x1e0 [ 9958.572711][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9958.572711][ T1167] [ 9958.574469][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9958.574469][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9958.574469][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9958.574469][ T1167] ipv6_find_idev+0x102/0x170 [ 9958.574469][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9958.574469][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9958.574469][ T1167] netlink_rcv_skb+0x130/0x360 [ 9958.574469][ T1167] netlink_unicast+0x449/0x710 [ 9958.574469][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9958.574469][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9958.574469][ T1167] ___sys_sendmsg+0xee/0x170 [ 9958.574469][ T1167] __sys_sendmsg+0xcd/0x170 [ 9958.574469][ T1167] do_syscall_64+0xc6/0x1e0 [ 9958.574469][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9958.574469][ T1167] [ 9966.745110][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9966.745519][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9966.745519][ T10] netdev_get_by_index+0x5e/0x80 [ 9966.745519][ T10] fib6_nh_init+0x3d8/0x1580 [ 9966.745519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9966.745519][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9966.745519][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9966.745519][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9966.745519][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9966.745519][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9966.745519][ T10] addrconf_dad_begin+0x310/0x670 [ 9966.745519][ T10] addrconf_dad_work+0x10b/0xab0 [ 9966.745519][ T10] process_one_work+0x84d/0x18a0 [ 9966.745519][ T10] worker_thread+0x587/0xd30 [ 9966.745519][ T10] kthread+0x28a/0x350 [ 9966.745519][ T10] ret_from_fork+0x31/0x70 [ 9966.745519][ T10] ret_from_fork_asm+0x1a/0x30 [ 9966.745519][ T10] [ 9966.747447][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9966.747447][ T10] netdev_get_by_index+0x5e/0x80 [ 9966.747447][ T10] fib6_nh_init+0x3d8/0x1580 [ 9966.747447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9966.747447][ T10] ip6_route_add+0x1c/0x140 [ 9966.747447][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9966.747447][ T10] inet6_addr_add+0x4f8/0xa40 [ 9966.747447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9966.747447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9966.747447][ T10] netlink_rcv_skb+0x130/0x360 [ 9966.747447][ T10] netlink_unicast+0x449/0x710 [ 9966.747447][ T10] netlink_sendmsg+0x723/0xbe0 [ 9966.747447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9966.747447][ T10] ___sys_sendmsg+0xee/0x170 [ 9966.747447][ T10] __sys_sendmsg+0xcd/0x170 [ 9966.747447][ T10] do_syscall_64+0xc6/0x1e0 [ 9966.747447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9966.747447][ T10] [ 9966.749442][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9966.749442][ T10] netdev_get_by_index+0x5e/0x80 [ 9966.749442][ T10] fib6_nh_init+0x3d8/0x1580 [ 9966.749442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9966.749442][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9966.749442][ T10] ipv6_add_addr+0x411/0x2000 [ 9966.749442][ T10] inet6_addr_add+0x30e/0xa40 [ 9966.749442][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9966.749442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9966.749442][ T10] netlink_rcv_skb+0x130/0x360 [ 9966.749442][ T10] netlink_unicast+0x449/0x710 [ 9966.749442][ T10] netlink_sendmsg+0x723/0xbe0 [ 9966.749442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9966.749442][ T10] ___sys_sendmsg+0xee/0x170 [ 9966.749442][ T10] __sys_sendmsg+0xcd/0x170 [ 9966.749442][ T10] do_syscall_64+0xc6/0x1e0 [ 9966.749442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9966.749442][ T10] [ 9966.751427][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9966.751427][ T10] netdev_get_by_index+0x5e/0x80 [ 9966.751427][ T10] fib6_nh_init+0x3d8/0x1580 [ 9966.751427][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9966.751427][ T10] ip6_route_add+0x1c/0x140 [ 9966.751427][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9966.751427][ T10] addrconf_add_dev+0xe2/0x170 [ 9966.751427][ T10] inet6_addr_add+0x12f/0xa40 [ 9966.751427][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9966.751427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9966.751427][ T10] netlink_rcv_skb+0x130/0x360 [ 9966.751427][ T10] netlink_unicast+0x449/0x710 [ 9966.751427][ T10] netlink_sendmsg+0x723/0xbe0 [ 9966.751427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9966.751427][ T10] ___sys_sendmsg+0xee/0x170 [ 9966.751427][ T10] __sys_sendmsg+0xcd/0x170 [ 9966.751427][ T10] do_syscall_64+0xc6/0x1e0 [ 9966.751427][ T10] [ 9966.753390][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9966.753390][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9966.753390][ T10] ipv6_find_idev+0x102/0x170 [ 9966.753390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9966.753390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9966.753390][ T10] netlink_rcv_skb+0x130/0x360 [ 9966.753390][ T10] netlink_unicast+0x449/0x710 [ 9966.753390][ T10] netlink_sendmsg+0x723/0xbe0 [ 9966.753390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9966.753390][ T10] ___sys_sendmsg+0xee/0x170 [ 9966.753390][ T10] __sys_sendmsg+0xcd/0x170 [ 9966.753390][ T10] do_syscall_64+0xc6/0x1e0 [ 9966.753390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9966.753390][ T10] [ 9966.754925][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9966.754925][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9966.754925][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9966.754925][ T10] ipv6_find_idev+0x102/0x170 [ 9966.754925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9966.754925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9966.754925][ T10] netlink_rcv_skb+0x130/0x360 [ 9966.754925][ T10] netlink_unicast+0x449/0x710 [ 9966.754925][ T10] netlink_sendmsg+0x723/0xbe0 [ 9966.754925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9966.754925][ T10] ___sys_sendmsg+0xee/0x170 [ 9966.754925][ T10] __sys_sendmsg+0xcd/0x170 [ 9966.754925][ T10] do_syscall_64+0xc6/0x1e0 [ 9966.754925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9966.754925][ T10] [ 9966.756604][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9966.756840][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9966.756840][ T10] netdev_get_by_index+0x5e/0x80 [ 9966.756840][ T10] fib6_nh_init+0x3d8/0x1580 [ 9966.756840][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9966.756840][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9966.756840][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9966.756840][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9966.756840][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9966.756840][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9966.756840][ T10] addrconf_dad_begin+0x310/0x670 [ 9966.756840][ T10] addrconf_dad_work+0x10b/0xab0 [ 9966.756840][ T10] process_one_work+0x84d/0x18a0 [ 9966.756840][ T10] worker_thread+0x587/0xd30 [ 9966.756840][ T10] kthread+0x28a/0x350 [ 9966.756840][ T10] ret_from_fork+0x31/0x70 [ 9966.756840][ T10] ret_from_fork_asm+0x1a/0x30 [ 9966.756840][ T10] [ 9966.758738][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9966.758738][ T10] netdev_get_by_index+0x5e/0x80 [ 9966.758738][ T10] fib6_nh_init+0x3d8/0x1580 [ 9966.758738][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9966.758738][ T10] ip6_route_add+0x1c/0x140 [ 9966.758738][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9966.758738][ T10] inet6_addr_add+0x4f8/0xa40 [ 9966.758738][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9966.758738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9966.758738][ T10] netlink_rcv_skb+0x130/0x360 [ 9966.758738][ T10] netlink_unicast+0x449/0x710 [ 9966.758738][ T10] netlink_sendmsg+0x723/0xbe0 [ 9966.758738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9966.758738][ T10] ___sys_sendmsg+0xee/0x170 [ 9966.758738][ T10] __sys_sendmsg+0xcd/0x170 [ 9966.758738][ T10] do_syscall_64+0xc6/0x1e0 [ 9966.758738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9966.758738][ T10] [ 9966.760724][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9966.760724][ T10] netdev_get_by_index+0x5e/0x80 [ 9966.760724][ T10] fib6_nh_init+0x3d8/0x1580 [ 9966.760724][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9966.760724][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9966.760724][ T10] ipv6_add_addr+0x411/0x2000 [ 9966.760724][ T10] inet6_addr_add+0x30e/0xa40 [ 9966.760724][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9966.760724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9966.760724][ T10] netlink_rcv_skb+0x130/0x360 [ 9966.760724][ T10] netlink_unicast+0x449/0x710 [ 9966.760724][ T10] netlink_sendmsg+0x723/0xbe0 [ 9966.760724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9966.760724][ T10] ___sys_sendmsg+0xee/0x170 [ 9966.760724][ T10] __sys_sendmsg+0xcd/0x170 [ 9966.760724][ T10] do_syscall_64+0xc6/0x1e0 [ 9966.760724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9966.760724][ T10] [ 9966.762717][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9966.762717][ T10] netdev_get_by_index+0x5e/0x80 [ 9966.762717][ T10] fib6_nh_init+0x3d8/0x1580 [ 9966.762717][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9966.762717][ T10] ip6_route_add+0x1c/0x140 [ 9966.762717][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9966.762717][ T10] addrconf_add_dev+0xe2/0x170 [ 9966.762717][ T10] inet6_addr_add+0x12f/0xa40 [ 9966.762717][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9966.762717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9966.762717][ T10] netlink_rcv_skb+0x130/0x360 [ 9966.762717][ T10] netlink_unicast+0x449/0x710 [ 9966.762717][ T10] netlink_sendmsg+0x723/0xbe0 [ 9966.762717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9966.762717][ T10] ___sys_sendmsg+0xee/0x170 [ 9966.762717][ T10] __sys_sendmsg+0xcd/0x170 [ 9966.762717][ T10] do_syscall_64+0xc6/0x1e0 [ 9966.762717][ T10] [ 9966.764673][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9966.764673][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9966.764673][ T10] ipv6_find_idev+0x102/0x170 [ 9966.764673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9966.764673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9966.764673][ T10] netlink_rcv_skb+0x130/0x360 [ 9966.764673][ T10] netlink_unicast+0x449/0x710 [ 9966.764673][ T10] netlink_sendmsg+0x723/0xbe0 [ 9966.764673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9966.764673][ T10] ___sys_sendmsg+0xee/0x170 [ 9966.764673][ T10] __sys_sendmsg+0xcd/0x170 [ 9966.764673][ T10] do_syscall_64+0xc6/0x1e0 [ 9966.764673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9966.764673][ T10] [ 9966.766204][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9966.766204][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9966.766204][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9966.766204][ T10] ipv6_find_idev+0x102/0x170 [ 9966.766204][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9966.766204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9966.766204][ T10] netlink_rcv_skb+0x130/0x360 [ 9966.766204][ T10] netlink_unicast+0x449/0x710 [ 9966.766204][ T10] netlink_sendmsg+0x723/0xbe0 [ 9966.766204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9966.766204][ T10] ___sys_sendmsg+0xee/0x170 [ 9966.766204][ T10] __sys_sendmsg+0xcd/0x170 [ 9966.766204][ T10] do_syscall_64+0xc6/0x1e0 [ 9966.766204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9966.766204][ T10] [ 9966.767885][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9966.768131][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9966.768131][ T10] netdev_get_by_index+0x5e/0x80 [ 9966.768131][ T10] fib6_nh_init+0x3d8/0x1580 [ 9966.768131][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9966.768131][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9966.768131][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9966.768131][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9966.768131][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9966.768131][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9966.768131][ T10] addrconf_dad_begin+0x310/0x670 [ 9966.768131][ T10] addrconf_dad_work+0x10b/0xab0 [ 9966.768131][ T10] process_one_work+0x84d/0x18a0 [ 9966.768131][ T10] worker_thread+0x587/0xd30 [ 9966.768131][ T10] kthread+0x28a/0x350 [ 9966.768131][ T10] ret_from_fork+0x31/0x70 [ 9966.768131][ T10] ret_from_fork_asm+0x1a/0x30 [ 9966.768131][ T10] [ 9966.770035][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9966.770035][ T10] netdev_get_by_index+0x5e/0x80 [ 9966.770035][ T10] fib6_nh_init+0x3d8/0x1580 [ 9966.770035][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9966.770035][ T10] ip6_route_add+0x1c/0x140 [ 9966.770035][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9966.770035][ T10] inet6_addr_add+0x4f8/0xa40 [ 9966.770035][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9966.770035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9966.770035][ T10] netlink_rcv_skb+0x130/0x360 [ 9966.770035][ T10] netlink_unicast+0x449/0x710 [ 9966.770035][ T10] netlink_sendmsg+0x723/0xbe0 [ 9966.770035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9966.770035][ T10] ___sys_sendmsg+0xee/0x170 [ 9966.770035][ T10] __sys_sendmsg+0xcd/0x170 [ 9966.770035][ T10] do_syscall_64+0xc6/0x1e0 [ 9966.770035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9966.770035][ T10] [ 9966.772157][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9966.772157][ T10] netdev_get_by_index+0x5e/0x80 [ 9966.772157][ T10] fib6_nh_init+0x3d8/0x1580 [ 9966.772157][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9966.772157][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9966.772157][ T10] ipv6_add_addr+0x411/0x2000 [ 9966.772157][ T10] inet6_addr_add+0x30e/0xa40 [ 9966.772157][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9966.772157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9966.772157][ T10] netlink_rcv_skb+0x130/0x360 [ 9966.772157][ T10] netlink_unicast+0x449/0x710 [ 9966.772157][ T10] netlink_sendmsg+0x723/0xbe0 [ 9966.772157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9966.772157][ T10] ___sys_sendmsg+0xee/0x170 [ 9966.772157][ T10] __sys_sendmsg+0xcd/0x170 [ 9966.772157][ T10] do_syscall_64+0xc6/0x1e0 [ 9966.772157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9966.772157][ T10] [ 9966.774274][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9966.774274][ T10] netdev_get_by_index+0x5e/0x80 [ 9966.774274][ T10] fib6_nh_init+0x3d8/0x1580 [ 9966.774274][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9966.774274][ T10] ip6_route_add+0x1c/0x140 [ 9966.774274][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9966.774274][ T10] addrconf_add_dev+0xe2/0x170 [ 9966.774274][ T10] inet6_addr_add+0x12f/0xa40 [ 9966.774274][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9966.774274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9966.774274][ T10] netlink_rcv_skb+0x130/0x360 [ 9966.774274][ T10] netlink_unicast+0x449/0x710 [ 9966.774274][ T10] netlink_sendmsg+0x723/0xbe0 [ 9966.774274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9966.774274][ T10] ___sys_sendmsg+0xee/0x170 [ 9966.774274][ T10] __sys_sendmsg+0xcd/0x170 [ 9966.774274][ T10] do_syscall_64+0xc6/0x1e0 [ 9966.774274][ T10] [ 9966.776357][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9966.776357][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9966.776357][ T10] ipv6_find_idev+0x102/0x170 [ 9966.776357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9966.776357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9966.776357][ T10] netlink_rcv_skb+0x130/0x360 [ 9966.776357][ T10] netlink_unicast+0x449/0x710 [ 9966.776357][ T10] netlink_sendmsg+0x723/0xbe0 [ 9966.776357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9966.776357][ T10] ___sys_sendmsg+0xee/0x170 [ 9966.776357][ T10] __sys_sendmsg+0xcd/0x170 [ 9966.776357][ T10] do_syscall_64+0xc6/0x1e0 [ 9966.776357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9966.776357][ T10] [ 9966.778003][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9966.778003][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9966.778003][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9966.778003][ T10] ipv6_find_idev+0x102/0x170 [ 9966.778003][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9966.778003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9966.778003][ T10] netlink_rcv_skb+0x130/0x360 [ 9966.778003][ T10] netlink_unicast+0x449/0x710 [ 9966.778003][ T10] netlink_sendmsg+0x723/0xbe0 [ 9966.778003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9966.778003][ T10] ___sys_sendmsg+0xee/0x170 [ 9966.778003][ T10] __sys_sendmsg+0xcd/0x170 [ 9966.778003][ T10] do_syscall_64+0xc6/0x1e0 [ 9966.778003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9966.778003][ T10] [ 9966.779918][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9966.780588][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9966.780588][ T10] netdev_get_by_index+0x5e/0x80 [ 9966.780588][ T10] fib6_nh_init+0x3d8/0x1580 [ 9966.780588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9966.780588][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9966.780588][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9966.780588][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9966.780588][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9966.780588][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9966.780588][ T10] addrconf_dad_begin+0x310/0x670 [ 9966.780588][ T10] addrconf_dad_work+0x10b/0xab0 [ 9966.780588][ T10] process_one_work+0x84d/0x18a0 [ 9966.780588][ T10] worker_thread+0x587/0xd30 [ 9966.780588][ T10] kthread+0x28a/0x350 [ 9966.780588][ T10] ret_from_fork+0x31/0x70 [ 9966.780588][ T10] ret_from_fork_asm+0x1a/0x30 [ 9966.780588][ T10] [ 9966.782489][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9966.782489][ T10] netdev_get_by_index+0x5e/0x80 [ 9966.782489][ T10] fib6_nh_init+0x3d8/0x1580 [ 9966.782489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9966.782489][ T10] ip6_route_add+0x1c/0x140 [ 9966.782489][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9966.782489][ T10] inet6_addr_add+0x4f8/0xa40 [ 9966.782489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9966.782489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9966.782489][ T10] netlink_rcv_skb+0x130/0x360 [ 9966.782489][ T10] netlink_unicast+0x449/0x710 [ 9966.782489][ T10] netlink_sendmsg+0x723/0xbe0 [ 9966.782489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9966.782489][ T10] ___sys_sendmsg+0xee/0x170 [ 9966.782489][ T10] __sys_sendmsg+0xcd/0x170 [ 9966.782489][ T10] do_syscall_64+0xc6/0x1e0 [ 9966.782489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9966.782489][ T10] [ 9966.784593][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9966.784593][ T10] netdev_get_by_index+0x5e/0x80 [ 9966.784593][ T10] fib6_nh_init+0x3d8/0x1580 [ 9966.784593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9966.784593][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9966.784593][ T10] ipv6_add_addr+0x411/0x2000 [ 9966.784593][ T10] inet6_addr_add+0x30e/0xa40 [ 9966.784593][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9966.784593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9966.784593][ T10] netlink_rcv_skb+0x130/0x360 [ 9966.784593][ T10] netlink_unicast+0x449/0x710 [ 9966.784593][ T10] netlink_sendmsg+0x723/0xbe0 [ 9966.784593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9966.784593][ T10] ___sys_sendmsg+0xee/0x170 [ 9966.784593][ T10] __sys_sendmsg+0xcd/0x170 [ 9966.784593][ T10] do_syscall_64+0xc6/0x1e0 [ 9966.784593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9966.784593][ T10] [ 9966.786817][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9966.786817][ T10] netdev_get_by_index+0x5e/0x80 [ 9966.786817][ T10] fib6_nh_init+0x3d8/0x1580 [ 9966.786817][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9966.786817][ T10] ip6_route_add+0x1c/0x140 [ 9966.786817][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9966.786817][ T10] addrconf_add_dev+0xe2/0x170 [ 9966.786817][ T10] inet6_addr_add+0x12f/0xa40 [ 9966.786817][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9966.786817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9966.786817][ T10] netlink_rcv_skb+0x130/0x360 [ 9966.786817][ T10] netlink_unicast+0x449/0x710 [ 9966.786817][ T10] netlink_sendmsg+0x723/0xbe0 [ 9966.786817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9966.786817][ T10] ___sys_sendmsg+0xee/0x170 [ 9966.786817][ T10] __sys_sendmsg+0xcd/0x170 [ 9966.786817][ T10] do_syscall_64+0xc6/0x1e0 [ 9966.786817][ T10] [ 9966.789004][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9966.789004][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9966.789004][ T10] ipv6_find_idev+0x102/0x170 [ 9966.789004][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9966.789004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9966.789004][ T10] netlink_rcv_skb+0x130/0x360 [ 9966.789004][ T10] netlink_unicast+0x449/0x710 [ 9966.789004][ T10] netlink_sendmsg+0x723/0xbe0 [ 9966.789004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9966.789004][ T10] ___sys_sendmsg+0xee/0x170 [ 9966.789004][ T10] __sys_sendmsg+0xcd/0x170 [ 9966.789004][ T10] do_syscall_64+0xc6/0x1e0 [ 9966.789004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9966.789004][ T10] [ 9966.790711][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9966.790711][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9966.790711][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9966.790711][ T10] ipv6_find_idev+0x102/0x170 [ 9966.790711][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9966.790711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9966.790711][ T10] netlink_rcv_skb+0x130/0x360 [ 9966.790711][ T10] netlink_unicast+0x449/0x710 [ 9966.790711][ T10] netlink_sendmsg+0x723/0xbe0 [ 9966.790711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9966.790711][ T10] ___sys_sendmsg+0xee/0x170 [ 9966.790711][ T10] __sys_sendmsg+0xcd/0x170 [ 9966.790711][ T10] do_syscall_64+0xc6/0x1e0 [ 9966.790711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9966.790711][ T10] [ 9968.593108][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9968.593585][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9968.593585][ T1167] dst_init+0x84/0x4a0 [ 9968.593585][ T1167] dst_alloc+0x97/0x150 [ 9968.593585][ T1167] ip6_dst_alloc+0x23/0x90 [ 9968.593585][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9968.593585][ T1167] ip6_pol_route+0x56f/0x840 [ 9968.593585][ T1167] fib6_rule_lookup+0x334/0x630 [ 9968.593585][ T1167] ip6_route_output_flags+0x259/0x480 [ 9968.593585][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9968.593585][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9968.593585][ T1167] netlink_rcv_skb+0x130/0x360 [ 9968.593585][ T1167] netlink_unicast+0x449/0x710 [ 9968.593585][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9968.593585][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9968.593585][ T1167] ___sys_sendmsg+0xee/0x170 [ 9968.593585][ T1167] __sys_sendmsg+0xcd/0x170 [ 9968.593585][ T1167] do_syscall_64+0xc6/0x1e0 [ 9968.593585][ T1167] [ 9968.595779][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9968.595779][ T1167] netdev_get_by_index+0x5e/0x80 [ 9968.595779][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9968.595779][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9968.595779][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9968.595779][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9968.595779][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9968.595779][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9968.595779][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9968.595779][ T1167] addrconf_dad_begin+0x310/0x670 [ 9968.595779][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9968.595779][ T1167] process_one_work+0x84d/0x18a0 [ 9968.595779][ T1167] worker_thread+0x587/0xd30 [ 9968.595779][ T1167] kthread+0x28a/0x350 [ 9968.595779][ T1167] ret_from_fork+0x31/0x70 [ 9968.595779][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9968.595779][ T1167] [ 9968.597912][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9968.597912][ T1167] netdev_get_by_index+0x5e/0x80 [ 9968.597912][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9968.597912][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9968.597912][ T1167] ip6_route_add+0x1c/0x140 [ 9968.597912][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9968.597912][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9968.597912][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9968.597912][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9968.597912][ T1167] netlink_rcv_skb+0x130/0x360 [ 9968.597912][ T1167] netlink_unicast+0x449/0x710 [ 9968.597912][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9968.597912][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9968.597912][ T1167] ___sys_sendmsg+0xee/0x170 [ 9968.597912][ T1167] __sys_sendmsg+0xcd/0x170 [ 9968.597912][ T1167] do_syscall_64+0xc6/0x1e0 [ 9968.597912][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9968.597912][ T1167] [ 9968.600138][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9968.600138][ T1167] netdev_get_by_index+0x5e/0x80 [ 9968.600138][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9968.600138][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9968.600138][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9968.600138][ T1167] ipv6_add_addr+0x411/0x2000 [ 9968.600138][ T1167] inet6_addr_add+0x30e/0xa40 [ 9968.600138][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9968.600138][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9968.600138][ T1167] netlink_rcv_skb+0x130/0x360 [ 9968.600138][ T1167] netlink_unicast+0x449/0x710 [ 9968.600138][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9968.600138][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9968.600138][ T1167] ___sys_sendmsg+0xee/0x170 [ 9968.600138][ T1167] __sys_sendmsg+0xcd/0x170 [ 9968.600138][ T1167] do_syscall_64+0xc6/0x1e0 [ 9968.600138][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9968.600138][ T1167] [ 9968.602381][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9968.602381][ T1167] netdev_get_by_index+0x5e/0x80 [ 9968.602381][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9968.602381][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9968.602381][ T1167] ip6_route_add+0x1c/0x140 [ 9968.602381][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9968.602381][ T1167] addrconf_add_dev+0xe2/0x170 [ 9968.602381][ T1167] inet6_addr_add+0x12f/0xa40 [ 9968.602381][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9968.602381][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9968.602381][ T1167] netlink_rcv_skb+0x130/0x360 [ 9968.602381][ T1167] netlink_unicast+0x449/0x710 [ 9968.602381][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9968.602381][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9968.602381][ T1167] ___sys_sendmsg+0xee/0x170 [ 9968.602381][ T1167] __sys_sendmsg+0xcd/0x170 [ 9968.602381][ T1167] do_syscall_64+0xc6/0x1e0 [ 9968.602381][ T1167] [ 9968.605117][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9968.605117][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9968.605117][ T1167] ipv6_find_idev+0x102/0x170 [ 9968.605117][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9968.605117][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9968.605117][ T1167] netlink_rcv_skb+0x130/0x360 [ 9968.605117][ T1167] netlink_unicast+0x449/0x710 [ 9968.605117][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9968.605117][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9968.605117][ T1167] ___sys_sendmsg+0xee/0x170 [ 9968.605117][ T1167] __sys_sendmsg+0xcd/0x170 [ 9968.605117][ T1167] do_syscall_64+0xc6/0x1e0 [ 9968.605117][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9968.605117][ T1167] [ 9968.606832][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9968.606832][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9968.606832][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9968.606832][ T1167] ipv6_find_idev+0x102/0x170 [ 9968.606832][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9968.606832][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9968.606832][ T1167] netlink_rcv_skb+0x130/0x360 [ 9968.606832][ T1167] netlink_unicast+0x449/0x710 [ 9968.606832][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9968.606832][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9968.606832][ T1167] ___sys_sendmsg+0xee/0x170 [ 9968.606832][ T1167] __sys_sendmsg+0xcd/0x170 [ 9968.606832][ T1167] do_syscall_64+0xc6/0x1e0 [ 9968.606832][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9968.606832][ T1167] [ 9977.033105][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9977.033571][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9977.033571][ T10] netdev_get_by_index+0x5e/0x80 [ 9977.033571][ T10] fib6_nh_init+0x3d8/0x1580 [ 9977.033571][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9977.033571][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9977.033571][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9977.033571][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9977.033571][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9977.033571][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9977.033571][ T10] addrconf_dad_begin+0x310/0x670 [ 9977.033571][ T10] addrconf_dad_work+0x10b/0xab0 [ 9977.033571][ T10] process_one_work+0x84d/0x18a0 [ 9977.033571][ T10] worker_thread+0x587/0xd30 [ 9977.033571][ T10] kthread+0x28a/0x350 [ 9977.033571][ T10] ret_from_fork+0x31/0x70 [ 9977.033571][ T10] ret_from_fork_asm+0x1a/0x30 [ 9977.033571][ T10] [ 9977.035524][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9977.035524][ T10] netdev_get_by_index+0x5e/0x80 [ 9977.035524][ T10] fib6_nh_init+0x3d8/0x1580 [ 9977.035524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9977.035524][ T10] ip6_route_add+0x1c/0x140 [ 9977.035524][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9977.035524][ T10] inet6_addr_add+0x4f8/0xa40 [ 9977.035524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9977.035524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9977.035524][ T10] netlink_rcv_skb+0x130/0x360 [ 9977.035524][ T10] netlink_unicast+0x449/0x710 [ 9977.035524][ T10] netlink_sendmsg+0x723/0xbe0 [ 9977.035524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9977.035524][ T10] ___sys_sendmsg+0xee/0x170 [ 9977.035524][ T10] __sys_sendmsg+0xcd/0x170 [ 9977.035524][ T10] do_syscall_64+0xc6/0x1e0 [ 9977.035524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9977.035524][ T10] [ 9977.037535][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9977.037535][ T10] netdev_get_by_index+0x5e/0x80 [ 9977.037535][ T10] fib6_nh_init+0x3d8/0x1580 [ 9977.037535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9977.037535][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9977.037535][ T10] ipv6_add_addr+0x411/0x2000 [ 9977.037535][ T10] inet6_addr_add+0x30e/0xa40 [ 9977.037535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9977.037535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9977.037535][ T10] netlink_rcv_skb+0x130/0x360 [ 9977.037535][ T10] netlink_unicast+0x449/0x710 [ 9977.037535][ T10] netlink_sendmsg+0x723/0xbe0 [ 9977.037535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9977.037535][ T10] ___sys_sendmsg+0xee/0x170 [ 9977.037535][ T10] __sys_sendmsg+0xcd/0x170 [ 9977.037535][ T10] do_syscall_64+0xc6/0x1e0 [ 9977.037535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9977.037535][ T10] [ 9977.039543][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9977.039543][ T10] netdev_get_by_index+0x5e/0x80 [ 9977.039543][ T10] fib6_nh_init+0x3d8/0x1580 [ 9977.039543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9977.039543][ T10] ip6_route_add+0x1c/0x140 [ 9977.039543][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9977.039543][ T10] addrconf_add_dev+0xe2/0x170 [ 9977.039543][ T10] inet6_addr_add+0x12f/0xa40 [ 9977.039543][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9977.039543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9977.039543][ T10] netlink_rcv_skb+0x130/0x360 [ 9977.039543][ T10] netlink_unicast+0x449/0x710 [ 9977.039543][ T10] netlink_sendmsg+0x723/0xbe0 [ 9977.039543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9977.039543][ T10] ___sys_sendmsg+0xee/0x170 [ 9977.039543][ T10] __sys_sendmsg+0xcd/0x170 [ 9977.039543][ T10] do_syscall_64+0xc6/0x1e0 [ 9977.039543][ T10] [ 9977.041540][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9977.041540][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9977.041540][ T10] ipv6_find_idev+0x102/0x170 [ 9977.041540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9977.041540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9977.041540][ T10] netlink_rcv_skb+0x130/0x360 [ 9977.041540][ T10] netlink_unicast+0x449/0x710 [ 9977.041540][ T10] netlink_sendmsg+0x723/0xbe0 [ 9977.041540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9977.041540][ T10] ___sys_sendmsg+0xee/0x170 [ 9977.041540][ T10] __sys_sendmsg+0xcd/0x170 [ 9977.041540][ T10] do_syscall_64+0xc6/0x1e0 [ 9977.041540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9977.041540][ T10] [ 9977.043082][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9977.043082][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9977.043082][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9977.043082][ T10] ipv6_find_idev+0x102/0x170 [ 9977.043082][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9977.043082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9977.043082][ T10] netlink_rcv_skb+0x130/0x360 [ 9977.043082][ T10] netlink_unicast+0x449/0x710 [ 9977.043082][ T10] netlink_sendmsg+0x723/0xbe0 [ 9977.043082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9977.043082][ T10] ___sys_sendmsg+0xee/0x170 [ 9977.043082][ T10] __sys_sendmsg+0xcd/0x170 [ 9977.043082][ T10] do_syscall_64+0xc6/0x1e0 [ 9977.043082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9977.043082][ T10] [ 9977.044779][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9977.045042][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9977.045042][ T10] netdev_get_by_index+0x5e/0x80 [ 9977.045042][ T10] fib6_nh_init+0x3d8/0x1580 [ 9977.045042][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9977.045042][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9977.045042][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9977.045042][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9977.045042][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9977.045042][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9977.045042][ T10] addrconf_dad_begin+0x310/0x670 [ 9977.045042][ T10] addrconf_dad_work+0x10b/0xab0 [ 9977.045042][ T10] process_one_work+0x84d/0x18a0 [ 9977.045042][ T10] worker_thread+0x587/0xd30 [ 9977.045042][ T10] kthread+0x28a/0x350 [ 9977.045042][ T10] ret_from_fork+0x31/0x70 [ 9977.045042][ T10] ret_from_fork_asm+0x1a/0x30 [ 9977.045042][ T10] [ 9977.046947][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9977.046947][ T10] netdev_get_by_index+0x5e/0x80 [ 9977.046947][ T10] fib6_nh_init+0x3d8/0x1580 [ 9977.046947][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9977.046947][ T10] ip6_route_add+0x1c/0x140 [ 9977.046947][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9977.046947][ T10] inet6_addr_add+0x4f8/0xa40 [ 9977.046947][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9977.046947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9977.046947][ T10] netlink_rcv_skb+0x130/0x360 [ 9977.046947][ T10] netlink_unicast+0x449/0x710 [ 9977.046947][ T10] netlink_sendmsg+0x723/0xbe0 [ 9977.046947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9977.046947][ T10] ___sys_sendmsg+0xee/0x170 [ 9977.046947][ T10] __sys_sendmsg+0xcd/0x170 [ 9977.046947][ T10] do_syscall_64+0xc6/0x1e0 [ 9977.046947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9977.046947][ T10] [ 9977.048960][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9977.048960][ T10] netdev_get_by_index+0x5e/0x80 [ 9977.048960][ T10] fib6_nh_init+0x3d8/0x1580 [ 9977.048960][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9977.048960][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9977.048960][ T10] ipv6_add_addr+0x411/0x2000 [ 9977.048960][ T10] inet6_addr_add+0x30e/0xa40 [ 9977.048960][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9977.048960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9977.048960][ T10] netlink_rcv_skb+0x130/0x360 [ 9977.048960][ T10] netlink_unicast+0x449/0x710 [ 9977.048960][ T10] netlink_sendmsg+0x723/0xbe0 [ 9977.048960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9977.048960][ T10] ___sys_sendmsg+0xee/0x170 [ 9977.048960][ T10] __sys_sendmsg+0xcd/0x170 [ 9977.048960][ T10] do_syscall_64+0xc6/0x1e0 [ 9977.048960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9977.048960][ T10] [ 9977.051488][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9977.051488][ T10] netdev_get_by_index+0x5e/0x80 [ 9977.051488][ T10] fib6_nh_init+0x3d8/0x1580 [ 9977.051488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9977.051488][ T10] ip6_route_add+0x1c/0x140 [ 9977.051488][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9977.051488][ T10] addrconf_add_dev+0xe2/0x170 [ 9977.051488][ T10] inet6_addr_add+0x12f/0xa40 [ 9977.051488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9977.051488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9977.051488][ T10] netlink_rcv_skb+0x130/0x360 [ 9977.051488][ T10] netlink_unicast+0x449/0x710 [ 9977.051488][ T10] netlink_sendmsg+0x723/0xbe0 [ 9977.051488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9977.051488][ T10] ___sys_sendmsg+0xee/0x170 [ 9977.051488][ T10] __sys_sendmsg+0xcd/0x170 [ 9977.051488][ T10] do_syscall_64+0xc6/0x1e0 [ 9977.051488][ T10] [ 9977.053462][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9977.053462][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9977.053462][ T10] ipv6_find_idev+0x102/0x170 [ 9977.053462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9977.053462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9977.053462][ T10] netlink_rcv_skb+0x130/0x360 [ 9977.053462][ T10] netlink_unicast+0x449/0x710 [ 9977.053462][ T10] netlink_sendmsg+0x723/0xbe0 [ 9977.053462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9977.053462][ T10] ___sys_sendmsg+0xee/0x170 [ 9977.053462][ T10] __sys_sendmsg+0xcd/0x170 [ 9977.053462][ T10] do_syscall_64+0xc6/0x1e0 [ 9977.053462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9977.053462][ T10] [ 9977.055000][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9977.055000][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9977.055000][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9977.055000][ T10] ipv6_find_idev+0x102/0x170 [ 9977.055000][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9977.055000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9977.055000][ T10] netlink_rcv_skb+0x130/0x360 [ 9977.055000][ T10] netlink_unicast+0x449/0x710 [ 9977.055000][ T10] netlink_sendmsg+0x723/0xbe0 [ 9977.055000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9977.055000][ T10] ___sys_sendmsg+0xee/0x170 [ 9977.055000][ T10] __sys_sendmsg+0xcd/0x170 [ 9977.055000][ T10] do_syscall_64+0xc6/0x1e0 [ 9977.055000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9977.055000][ T10] [ 9977.056691][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9977.056928][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9977.056928][ T10] netdev_get_by_index+0x5e/0x80 [ 9977.056928][ T10] fib6_nh_init+0x3d8/0x1580 [ 9977.056928][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9977.056928][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9977.056928][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9977.056928][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9977.056928][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9977.056928][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9977.056928][ T10] addrconf_dad_begin+0x310/0x670 [ 9977.056928][ T10] addrconf_dad_work+0x10b/0xab0 [ 9977.056928][ T10] process_one_work+0x84d/0x18a0 [ 9977.056928][ T10] worker_thread+0x587/0xd30 [ 9977.056928][ T10] kthread+0x28a/0x350 [ 9977.056928][ T10] ret_from_fork+0x31/0x70 [ 9977.056928][ T10] ret_from_fork_asm+0x1a/0x30 [ 9977.056928][ T10] [ 9977.058847][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9977.058847][ T10] netdev_get_by_index+0x5e/0x80 [ 9977.058847][ T10] fib6_nh_init+0x3d8/0x1580 [ 9977.058847][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9977.058847][ T10] ip6_route_add+0x1c/0x140 [ 9977.058847][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9977.058847][ T10] inet6_addr_add+0x4f8/0xa40 [ 9977.058847][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9977.058847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9977.058847][ T10] netlink_rcv_skb+0x130/0x360 [ 9977.058847][ T10] netlink_unicast+0x449/0x710 [ 9977.058847][ T10] netlink_sendmsg+0x723/0xbe0 [ 9977.058847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9977.058847][ T10] ___sys_sendmsg+0xee/0x170 [ 9977.058847][ T10] __sys_sendmsg+0xcd/0x170 [ 9977.058847][ T10] do_syscall_64+0xc6/0x1e0 [ 9977.058847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9977.058847][ T10] [ 9977.060911][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9977.060911][ T10] netdev_get_by_index+0x5e/0x80 [ 9977.060911][ T10] fib6_nh_init+0x3d8/0x1580 [ 9977.060911][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9977.060911][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9977.060911][ T10] ipv6_add_addr+0x411/0x2000 [ 9977.060911][ T10] inet6_addr_add+0x30e/0xa40 [ 9977.060911][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9977.060911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9977.060911][ T10] netlink_rcv_skb+0x130/0x360 [ 9977.060911][ T10] netlink_unicast+0x449/0x710 [ 9977.060911][ T10] netlink_sendmsg+0x723/0xbe0 [ 9977.060911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9977.060911][ T10] ___sys_sendmsg+0xee/0x170 [ 9977.060911][ T10] __sys_sendmsg+0xcd/0x170 [ 9977.060911][ T10] do_syscall_64+0xc6/0x1e0 [ 9977.060911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9977.060911][ T10] [ 9977.063044][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9977.063044][ T10] netdev_get_by_index+0x5e/0x80 [ 9977.063044][ T10] fib6_nh_init+0x3d8/0x1580 [ 9977.063044][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9977.063044][ T10] ip6_route_add+0x1c/0x140 [ 9977.063044][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9977.063044][ T10] addrconf_add_dev+0xe2/0x170 [ 9977.063044][ T10] inet6_addr_add+0x12f/0xa40 [ 9977.063044][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9977.063044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9977.063044][ T10] netlink_rcv_skb+0x130/0x360 [ 9977.063044][ T10] netlink_unicast+0x449/0x710 [ 9977.063044][ T10] netlink_sendmsg+0x723/0xbe0 [ 9977.063044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9977.063044][ T10] ___sys_sendmsg+0xee/0x170 [ 9977.063044][ T10] __sys_sendmsg+0xcd/0x170 [ 9977.063044][ T10] do_syscall_64+0xc6/0x1e0 [ 9977.063044][ T10] [ 9977.065142][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9977.065142][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9977.065142][ T10] ipv6_find_idev+0x102/0x170 [ 9977.065142][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9977.065142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9977.065142][ T10] netlink_rcv_skb+0x130/0x360 [ 9977.065142][ T10] netlink_unicast+0x449/0x710 [ 9977.065142][ T10] netlink_sendmsg+0x723/0xbe0 [ 9977.065142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9977.065142][ T10] ___sys_sendmsg+0xee/0x170 [ 9977.065142][ T10] __sys_sendmsg+0xcd/0x170 [ 9977.065142][ T10] do_syscall_64+0xc6/0x1e0 [ 9977.065142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9977.065142][ T10] [ 9977.066743][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9977.066743][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9977.066743][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9977.066743][ T10] ipv6_find_idev+0x102/0x170 [ 9977.066743][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9977.066743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9977.066743][ T10] netlink_rcv_skb+0x130/0x360 [ 9977.066743][ T10] netlink_unicast+0x449/0x710 [ 9977.066743][ T10] netlink_sendmsg+0x723/0xbe0 [ 9977.066743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9977.066743][ T10] ___sys_sendmsg+0xee/0x170 [ 9977.066743][ T10] __sys_sendmsg+0xcd/0x170 [ 9977.066743][ T10] do_syscall_64+0xc6/0x1e0 [ 9977.066743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9977.066743][ T10] [ 9977.068557][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9977.068794][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9977.068794][ T10] netdev_get_by_index+0x5e/0x80 [ 9977.068794][ T10] fib6_nh_init+0x3d8/0x1580 [ 9977.068794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9977.068794][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9977.068794][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9977.068794][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9977.068794][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9977.068794][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9977.068794][ T10] addrconf_dad_begin+0x310/0x670 [ 9977.068794][ T10] addrconf_dad_work+0x10b/0xab0 [ 9977.068794][ T10] process_one_work+0x84d/0x18a0 [ 9977.068794][ T10] worker_thread+0x587/0xd30 [ 9977.068794][ T10] kthread+0x28a/0x350 [ 9977.068794][ T10] ret_from_fork+0x31/0x70 [ 9977.068794][ T10] ret_from_fork_asm+0x1a/0x30 [ 9977.068794][ T10] [ 9977.070842][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9977.070842][ T10] netdev_get_by_index+0x5e/0x80 [ 9977.070842][ T10] fib6_nh_init+0x3d8/0x1580 [ 9977.070842][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9977.070842][ T10] ip6_route_add+0x1c/0x140 [ 9977.070842][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9977.070842][ T10] inet6_addr_add+0x4f8/0xa40 [ 9977.070842][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9977.070842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9977.070842][ T10] netlink_rcv_skb+0x130/0x360 [ 9977.070842][ T10] netlink_unicast+0x449/0x710 [ 9977.070842][ T10] netlink_sendmsg+0x723/0xbe0 [ 9977.070842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9977.070842][ T10] ___sys_sendmsg+0xee/0x170 [ 9977.070842][ T10] __sys_sendmsg+0xcd/0x170 [ 9977.070842][ T10] do_syscall_64+0xc6/0x1e0 [ 9977.070842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9977.070842][ T10] [ 9977.072980][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9977.072980][ T10] netdev_get_by_index+0x5e/0x80 [ 9977.072980][ T10] fib6_nh_init+0x3d8/0x1580 [ 9977.072980][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9977.072980][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9977.072980][ T10] ipv6_add_addr+0x411/0x2000 [ 9977.072980][ T10] inet6_addr_add+0x30e/0xa40 [ 9977.072980][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9977.072980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9977.072980][ T10] netlink_rcv_skb+0x130/0x360 [ 9977.072980][ T10] netlink_unicast+0x449/0x710 [ 9977.072980][ T10] netlink_sendmsg+0x723/0xbe0 [ 9977.072980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9977.072980][ T10] ___sys_sendmsg+0xee/0x170 [ 9977.072980][ T10] __sys_sendmsg+0xcd/0x170 [ 9977.072980][ T10] do_syscall_64+0xc6/0x1e0 [ 9977.072980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9977.072980][ T10] [ 9977.075118][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9977.075118][ T10] netdev_get_by_index+0x5e/0x80 [ 9977.075118][ T10] fib6_nh_init+0x3d8/0x1580 [ 9977.075118][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9977.075118][ T10] ip6_route_add+0x1c/0x140 [ 9977.075118][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9977.075118][ T10] addrconf_add_dev+0xe2/0x170 [ 9977.075118][ T10] inet6_addr_add+0x12f/0xa40 [ 9977.075118][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9977.075118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9977.075118][ T10] netlink_rcv_skb+0x130/0x360 [ 9977.075118][ T10] netlink_unicast+0x449/0x710 [ 9977.075118][ T10] netlink_sendmsg+0x723/0xbe0 [ 9977.075118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9977.075118][ T10] ___sys_sendmsg+0xee/0x170 [ 9977.075118][ T10] __sys_sendmsg+0xcd/0x170 [ 9977.075118][ T10] do_syscall_64+0xc6/0x1e0 [ 9977.075118][ T10] [ 9977.077208][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9977.077208][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9977.077208][ T10] ipv6_find_idev+0x102/0x170 [ 9977.077208][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9977.077208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9977.077208][ T10] netlink_rcv_skb+0x130/0x360 [ 9977.077208][ T10] netlink_unicast+0x449/0x710 [ 9977.077208][ T10] netlink_sendmsg+0x723/0xbe0 [ 9977.077208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9977.077208][ T10] ___sys_sendmsg+0xee/0x170 [ 9977.077208][ T10] __sys_sendmsg+0xcd/0x170 [ 9977.077208][ T10] do_syscall_64+0xc6/0x1e0 [ 9977.077208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9977.077208][ T10] [ 9977.078812][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9977.078812][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9977.078812][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9977.078812][ T10] ipv6_find_idev+0x102/0x170 [ 9977.078812][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9977.078812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9977.078812][ T10] netlink_rcv_skb+0x130/0x360 [ 9977.078812][ T10] netlink_unicast+0x449/0x710 [ 9977.078812][ T10] netlink_sendmsg+0x723/0xbe0 [ 9977.078812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9977.078812][ T10] ___sys_sendmsg+0xee/0x170 [ 9977.078812][ T10] __sys_sendmsg+0xcd/0x170 [ 9977.078812][ T10] do_syscall_64+0xc6/0x1e0 [ 9977.078812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9977.078812][ T10] [ 9978.625127][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9978.625591][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9978.625591][ T1167] dst_init+0x84/0x4a0 [ 9978.625591][ T1167] dst_alloc+0x97/0x150 [ 9978.625591][ T1167] ip6_dst_alloc+0x23/0x90 [ 9978.625591][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9978.625591][ T1167] ip6_pol_route+0x56f/0x840 [ 9978.625591][ T1167] fib6_rule_lookup+0x334/0x630 [ 9978.625591][ T1167] ip6_route_output_flags+0x259/0x480 [ 9978.625591][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9978.625591][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9978.625591][ T1167] netlink_rcv_skb+0x130/0x360 [ 9978.625591][ T1167] netlink_unicast+0x449/0x710 [ 9978.625591][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9978.625591][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9978.625591][ T1167] ___sys_sendmsg+0xee/0x170 [ 9978.625591][ T1167] __sys_sendmsg+0xcd/0x170 [ 9978.625591][ T1167] do_syscall_64+0xc6/0x1e0 [ 9978.625591][ T1167] [ 9978.627774][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9978.627774][ T1167] netdev_get_by_index+0x5e/0x80 [ 9978.627774][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9978.627774][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9978.627774][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9978.627774][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9978.627774][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9978.627774][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9978.627774][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9978.627774][ T1167] addrconf_dad_begin+0x310/0x670 [ 9978.627774][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9978.627774][ T1167] process_one_work+0x84d/0x18a0 [ 9978.627774][ T1167] worker_thread+0x587/0xd30 [ 9978.627774][ T1167] kthread+0x28a/0x350 [ 9978.627774][ T1167] ret_from_fork+0x31/0x70 [ 9978.627774][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9978.627774][ T1167] [ 9978.629916][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9978.629916][ T1167] netdev_get_by_index+0x5e/0x80 [ 9978.629916][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9978.629916][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9978.629916][ T1167] ip6_route_add+0x1c/0x140 [ 9978.629916][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9978.629916][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9978.629916][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9978.629916][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9978.629916][ T1167] netlink_rcv_skb+0x130/0x360 [ 9978.629916][ T1167] netlink_unicast+0x449/0x710 [ 9978.629916][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9978.629916][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9978.629916][ T1167] ___sys_sendmsg+0xee/0x170 [ 9978.629916][ T1167] __sys_sendmsg+0xcd/0x170 [ 9978.629916][ T1167] do_syscall_64+0xc6/0x1e0 [ 9978.629916][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9978.629916][ T1167] [ 9978.632155][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9978.632155][ T1167] netdev_get_by_index+0x5e/0x80 [ 9978.632155][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9978.632155][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9978.632155][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9978.632155][ T1167] ipv6_add_addr+0x411/0x2000 [ 9978.632155][ T1167] inet6_addr_add+0x30e/0xa40 [ 9978.632155][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9978.632155][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9978.632155][ T1167] netlink_rcv_skb+0x130/0x360 [ 9978.632155][ T1167] netlink_unicast+0x449/0x710 [ 9978.632155][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9978.632155][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9978.632155][ T1167] ___sys_sendmsg+0xee/0x170 [ 9978.632155][ T1167] __sys_sendmsg+0xcd/0x170 [ 9978.632155][ T1167] do_syscall_64+0xc6/0x1e0 [ 9978.632155][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9978.632155][ T1167] [ 9978.634385][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9978.634385][ T1167] netdev_get_by_index+0x5e/0x80 [ 9978.634385][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9978.634385][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9978.634385][ T1167] ip6_route_add+0x1c/0x140 [ 9978.634385][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9978.634385][ T1167] addrconf_add_dev+0xe2/0x170 [ 9978.634385][ T1167] inet6_addr_add+0x12f/0xa40 [ 9978.634385][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9978.634385][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9978.634385][ T1167] netlink_rcv_skb+0x130/0x360 [ 9978.634385][ T1167] netlink_unicast+0x449/0x710 [ 9978.634385][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9978.634385][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9978.634385][ T1167] ___sys_sendmsg+0xee/0x170 [ 9978.634385][ T1167] __sys_sendmsg+0xcd/0x170 [ 9978.634385][ T1167] do_syscall_64+0xc6/0x1e0 [ 9978.634385][ T1167] [ 9978.636583][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9978.636583][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9978.636583][ T1167] ipv6_find_idev+0x102/0x170 [ 9978.636583][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9978.636583][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9978.636583][ T1167] netlink_rcv_skb+0x130/0x360 [ 9978.636583][ T1167] netlink_unicast+0x449/0x710 [ 9978.636583][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9978.636583][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9978.636583][ T1167] ___sys_sendmsg+0xee/0x170 [ 9978.636583][ T1167] __sys_sendmsg+0xcd/0x170 [ 9978.636583][ T1167] do_syscall_64+0xc6/0x1e0 [ 9978.636583][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9978.636583][ T1167] [ 9978.638299][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9978.638299][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9978.638299][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9978.638299][ T1167] ipv6_find_idev+0x102/0x170 [ 9978.638299][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9978.638299][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9978.638299][ T1167] netlink_rcv_skb+0x130/0x360 [ 9978.638299][ T1167] netlink_unicast+0x449/0x710 [ 9978.638299][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9978.638299][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9978.638299][ T1167] ___sys_sendmsg+0xee/0x170 [ 9978.638299][ T1167] __sys_sendmsg+0xcd/0x170 [ 9978.638299][ T1167] do_syscall_64+0xc6/0x1e0 [ 9978.638299][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9978.638299][ T1167] [ 9987.321102][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9987.321514][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9987.321514][ T10] netdev_get_by_index+0x5e/0x80 [ 9987.321514][ T10] fib6_nh_init+0x3d8/0x1580 [ 9987.321514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9987.321514][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9987.321514][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9987.321514][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9987.321514][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9987.321514][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9987.321514][ T10] addrconf_dad_begin+0x310/0x670 [ 9987.321514][ T10] addrconf_dad_work+0x10b/0xab0 [ 9987.321514][ T10] process_one_work+0x84d/0x18a0 [ 9987.321514][ T10] worker_thread+0x587/0xd30 [ 9987.321514][ T10] kthread+0x28a/0x350 [ 9987.321514][ T10] ret_from_fork+0x31/0x70 [ 9987.321514][ T10] ret_from_fork_asm+0x1a/0x30 [ 9987.321514][ T10] [ 9987.323458][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9987.323458][ T10] netdev_get_by_index+0x5e/0x80 [ 9987.323458][ T10] fib6_nh_init+0x3d8/0x1580 [ 9987.323458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9987.323458][ T10] ip6_route_add+0x1c/0x140 [ 9987.323458][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9987.323458][ T10] inet6_addr_add+0x4f8/0xa40 [ 9987.323458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9987.323458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9987.323458][ T10] netlink_rcv_skb+0x130/0x360 [ 9987.323458][ T10] netlink_unicast+0x449/0x710 [ 9987.323458][ T10] netlink_sendmsg+0x723/0xbe0 [ 9987.323458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9987.323458][ T10] ___sys_sendmsg+0xee/0x170 [ 9987.323458][ T10] __sys_sendmsg+0xcd/0x170 [ 9987.323458][ T10] do_syscall_64+0xc6/0x1e0 [ 9987.323458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9987.323458][ T10] [ 9987.325955][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9987.325955][ T10] netdev_get_by_index+0x5e/0x80 [ 9987.325955][ T10] fib6_nh_init+0x3d8/0x1580 [ 9987.325955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9987.325955][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9987.325955][ T10] ipv6_add_addr+0x411/0x2000 [ 9987.325955][ T10] inet6_addr_add+0x30e/0xa40 [ 9987.325955][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9987.325955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9987.325955][ T10] netlink_rcv_skb+0x130/0x360 [ 9987.325955][ T10] netlink_unicast+0x449/0x710 [ 9987.325955][ T10] netlink_sendmsg+0x723/0xbe0 [ 9987.325955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9987.325955][ T10] ___sys_sendmsg+0xee/0x170 [ 9987.325955][ T10] __sys_sendmsg+0xcd/0x170 [ 9987.325955][ T10] do_syscall_64+0xc6/0x1e0 [ 9987.325955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9987.325955][ T10] [ 9987.327942][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9987.327942][ T10] netdev_get_by_index+0x5e/0x80 [ 9987.327942][ T10] fib6_nh_init+0x3d8/0x1580 [ 9987.327942][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9987.327942][ T10] ip6_route_add+0x1c/0x140 [ 9987.327942][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9987.327942][ T10] addrconf_add_dev+0xe2/0x170 [ 9987.327942][ T10] inet6_addr_add+0x12f/0xa40 [ 9987.327942][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9987.327942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9987.327942][ T10] netlink_rcv_skb+0x130/0x360 [ 9987.327942][ T10] netlink_unicast+0x449/0x710 [ 9987.327942][ T10] netlink_sendmsg+0x723/0xbe0 [ 9987.327942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9987.327942][ T10] ___sys_sendmsg+0xee/0x170 [ 9987.327942][ T10] __sys_sendmsg+0xcd/0x170 [ 9987.327942][ T10] do_syscall_64+0xc6/0x1e0 [ 9987.327942][ T10] [ 9987.329896][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9987.329896][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9987.329896][ T10] ipv6_find_idev+0x102/0x170 [ 9987.329896][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9987.329896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9987.329896][ T10] netlink_rcv_skb+0x130/0x360 [ 9987.329896][ T10] netlink_unicast+0x449/0x710 [ 9987.329896][ T10] netlink_sendmsg+0x723/0xbe0 [ 9987.329896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9987.329896][ T10] ___sys_sendmsg+0xee/0x170 [ 9987.329896][ T10] __sys_sendmsg+0xcd/0x170 [ 9987.329896][ T10] do_syscall_64+0xc6/0x1e0 [ 9987.329896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9987.329896][ T10] [ 9987.331429][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9987.331429][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9987.331429][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9987.331429][ T10] ipv6_find_idev+0x102/0x170 [ 9987.331429][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9987.331429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9987.331429][ T10] netlink_rcv_skb+0x130/0x360 [ 9987.331429][ T10] netlink_unicast+0x449/0x710 [ 9987.331429][ T10] netlink_sendmsg+0x723/0xbe0 [ 9987.331429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9987.331429][ T10] ___sys_sendmsg+0xee/0x170 [ 9987.331429][ T10] __sys_sendmsg+0xcd/0x170 [ 9987.331429][ T10] do_syscall_64+0xc6/0x1e0 [ 9987.331429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9987.331429][ T10] [ 9987.333104][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9987.333344][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9987.333344][ T10] netdev_get_by_index+0x5e/0x80 [ 9987.333344][ T10] fib6_nh_init+0x3d8/0x1580 [ 9987.333344][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9987.333344][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9987.333344][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9987.333344][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9987.333344][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9987.333344][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9987.333344][ T10] addrconf_dad_begin+0x310/0x670 [ 9987.333344][ T10] addrconf_dad_work+0x10b/0xab0 [ 9987.333344][ T10] process_one_work+0x84d/0x18a0 [ 9987.333344][ T10] worker_thread+0x587/0xd30 [ 9987.333344][ T10] kthread+0x28a/0x350 [ 9987.333344][ T10] ret_from_fork+0x31/0x70 [ 9987.333344][ T10] ret_from_fork_asm+0x1a/0x30 [ 9987.333344][ T10] [ 9987.335234][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9987.335234][ T10] netdev_get_by_index+0x5e/0x80 [ 9987.335234][ T10] fib6_nh_init+0x3d8/0x1580 [ 9987.335234][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9987.335234][ T10] ip6_route_add+0x1c/0x140 [ 9987.335234][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9987.335234][ T10] inet6_addr_add+0x4f8/0xa40 [ 9987.335234][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9987.335234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9987.335234][ T10] netlink_rcv_skb+0x130/0x360 [ 9987.335234][ T10] netlink_unicast+0x449/0x710 [ 9987.335234][ T10] netlink_sendmsg+0x723/0xbe0 [ 9987.335234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9987.335234][ T10] ___sys_sendmsg+0xee/0x170 [ 9987.335234][ T10] __sys_sendmsg+0xcd/0x170 [ 9987.335234][ T10] do_syscall_64+0xc6/0x1e0 [ 9987.335234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9987.335234][ T10] [ 9987.337218][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9987.337218][ T10] netdev_get_by_index+0x5e/0x80 [ 9987.337218][ T10] fib6_nh_init+0x3d8/0x1580 [ 9987.337218][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9987.337218][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9987.337218][ T10] ipv6_add_addr+0x411/0x2000 [ 9987.337218][ T10] inet6_addr_add+0x30e/0xa40 [ 9987.337218][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9987.337218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9987.337218][ T10] netlink_rcv_skb+0x130/0x360 [ 9987.337218][ T10] netlink_unicast+0x449/0x710 [ 9987.337218][ T10] netlink_sendmsg+0x723/0xbe0 [ 9987.337218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9987.337218][ T10] ___sys_sendmsg+0xee/0x170 [ 9987.337218][ T10] __sys_sendmsg+0xcd/0x170 [ 9987.337218][ T10] do_syscall_64+0xc6/0x1e0 [ 9987.337218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9987.337218][ T10] [ 9987.339193][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9987.339193][ T10] netdev_get_by_index+0x5e/0x80 [ 9987.339193][ T10] fib6_nh_init+0x3d8/0x1580 [ 9987.339193][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9987.339193][ T10] ip6_route_add+0x1c/0x140 [ 9987.339193][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9987.339193][ T10] addrconf_add_dev+0xe2/0x170 [ 9987.339193][ T10] inet6_addr_add+0x12f/0xa40 [ 9987.339193][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9987.339193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9987.339193][ T10] netlink_rcv_skb+0x130/0x360 [ 9987.339193][ T10] netlink_unicast+0x449/0x710 [ 9987.339193][ T10] netlink_sendmsg+0x723/0xbe0 [ 9987.339193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9987.339193][ T10] ___sys_sendmsg+0xee/0x170 [ 9987.339193][ T10] __sys_sendmsg+0xcd/0x170 [ 9987.339193][ T10] do_syscall_64+0xc6/0x1e0 [ 9987.339193][ T10] [ 9987.341152][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9987.341152][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9987.341152][ T10] ipv6_find_idev+0x102/0x170 [ 9987.341152][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9987.341152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9987.341152][ T10] netlink_rcv_skb+0x130/0x360 [ 9987.341152][ T10] netlink_unicast+0x449/0x710 [ 9987.341152][ T10] netlink_sendmsg+0x723/0xbe0 [ 9987.341152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9987.341152][ T10] ___sys_sendmsg+0xee/0x170 [ 9987.341152][ T10] __sys_sendmsg+0xcd/0x170 [ 9987.341152][ T10] do_syscall_64+0xc6/0x1e0 [ 9987.341152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9987.341152][ T10] [ 9987.342708][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9987.342708][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9987.342708][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9987.342708][ T10] ipv6_find_idev+0x102/0x170 [ 9987.342708][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9987.342708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9987.342708][ T10] netlink_rcv_skb+0x130/0x360 [ 9987.342708][ T10] netlink_unicast+0x449/0x710 [ 9987.342708][ T10] netlink_sendmsg+0x723/0xbe0 [ 9987.342708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9987.342708][ T10] ___sys_sendmsg+0xee/0x170 [ 9987.342708][ T10] __sys_sendmsg+0xcd/0x170 [ 9987.342708][ T10] do_syscall_64+0xc6/0x1e0 [ 9987.342708][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9987.342708][ T10] [ 9987.344390][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9987.344625][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9987.344625][ T10] netdev_get_by_index+0x5e/0x80 [ 9987.344625][ T10] fib6_nh_init+0x3d8/0x1580 [ 9987.344625][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9987.344625][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9987.344625][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9987.344625][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9987.344625][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9987.344625][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9987.344625][ T10] addrconf_dad_begin+0x310/0x670 [ 9987.344625][ T10] addrconf_dad_work+0x10b/0xab0 [ 9987.344625][ T10] process_one_work+0x84d/0x18a0 [ 9987.344625][ T10] worker_thread+0x587/0xd30 [ 9987.344625][ T10] kthread+0x28a/0x350 [ 9987.344625][ T10] ret_from_fork+0x31/0x70 [ 9987.344625][ T10] ret_from_fork_asm+0x1a/0x30 [ 9987.344625][ T10] [ 9987.346523][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9987.346523][ T10] netdev_get_by_index+0x5e/0x80 [ 9987.346523][ T10] fib6_nh_init+0x3d8/0x1580 [ 9987.346523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9987.346523][ T10] ip6_route_add+0x1c/0x140 [ 9987.346523][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9987.346523][ T10] inet6_addr_add+0x4f8/0xa40 [ 9987.346523][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9987.346523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9987.346523][ T10] netlink_rcv_skb+0x130/0x360 [ 9987.346523][ T10] netlink_unicast+0x449/0x710 [ 9987.346523][ T10] netlink_sendmsg+0x723/0xbe0 [ 9987.346523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9987.346523][ T10] ___sys_sendmsg+0xee/0x170 [ 9987.346523][ T10] __sys_sendmsg+0xcd/0x170 [ 9987.346523][ T10] do_syscall_64+0xc6/0x1e0 [ 9987.346523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9987.346523][ T10] [ 9987.348699][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9987.348699][ T10] netdev_get_by_index+0x5e/0x80 [ 9987.348699][ T10] fib6_nh_init+0x3d8/0x1580 [ 9987.348699][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9987.348699][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9987.348699][ T10] ipv6_add_addr+0x411/0x2000 [ 9987.348699][ T10] inet6_addr_add+0x30e/0xa40 [ 9987.348699][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9987.348699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9987.348699][ T10] netlink_rcv_skb+0x130/0x360 [ 9987.348699][ T10] netlink_unicast+0x449/0x710 [ 9987.348699][ T10] netlink_sendmsg+0x723/0xbe0 [ 9987.348699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9987.348699][ T10] ___sys_sendmsg+0xee/0x170 [ 9987.348699][ T10] __sys_sendmsg+0xcd/0x170 [ 9987.348699][ T10] do_syscall_64+0xc6/0x1e0 [ 9987.348699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9987.348699][ T10] [ 9987.350916][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9987.350916][ T10] netdev_get_by_index+0x5e/0x80 [ 9987.350916][ T10] fib6_nh_init+0x3d8/0x1580 [ 9987.350916][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9987.350916][ T10] ip6_route_add+0x1c/0x140 [ 9987.350916][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9987.350916][ T10] addrconf_add_dev+0xe2/0x170 [ 9987.350916][ T10] inet6_addr_add+0x12f/0xa40 [ 9987.350916][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9987.350916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9987.350916][ T10] netlink_rcv_skb+0x130/0x360 [ 9987.350916][ T10] netlink_unicast+0x449/0x710 [ 9987.350916][ T10] netlink_sendmsg+0x723/0xbe0 [ 9987.350916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9987.350916][ T10] ___sys_sendmsg+0xee/0x170 [ 9987.350916][ T10] __sys_sendmsg+0xcd/0x170 [ 9987.350916][ T10] do_syscall_64+0xc6/0x1e0 [ 9987.350916][ T10] [ 9987.352988][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9987.352988][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9987.352988][ T10] ipv6_find_idev+0x102/0x170 [ 9987.352988][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9987.352988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9987.352988][ T10] netlink_rcv_skb+0x130/0x360 [ 9987.352988][ T10] netlink_unicast+0x449/0x710 [ 9987.352988][ T10] netlink_sendmsg+0x723/0xbe0 [ 9987.352988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9987.352988][ T10] ___sys_sendmsg+0xee/0x170 [ 9987.352988][ T10] __sys_sendmsg+0xcd/0x170 [ 9987.352988][ T10] do_syscall_64+0xc6/0x1e0 [ 9987.352988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9987.352988][ T10] [ 9987.354697][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9987.354697][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9987.354697][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9987.354697][ T10] ipv6_find_idev+0x102/0x170 [ 9987.354697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9987.354697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9987.354697][ T10] netlink_rcv_skb+0x130/0x360 [ 9987.354697][ T10] netlink_unicast+0x449/0x710 [ 9987.354697][ T10] netlink_sendmsg+0x723/0xbe0 [ 9987.354697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9987.354697][ T10] ___sys_sendmsg+0xee/0x170 [ 9987.354697][ T10] __sys_sendmsg+0xcd/0x170 [ 9987.354697][ T10] do_syscall_64+0xc6/0x1e0 [ 9987.354697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9987.354697][ T10] [ 9987.356627][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9987.356859][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9987.356859][ T10] netdev_get_by_index+0x5e/0x80 [ 9987.356859][ T10] fib6_nh_init+0x3d8/0x1580 [ 9987.356859][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9987.356859][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9987.356859][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9987.356859][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9987.356859][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9987.356859][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9987.356859][ T10] addrconf_dad_begin+0x310/0x670 [ 9987.356859][ T10] addrconf_dad_work+0x10b/0xab0 [ 9987.356859][ T10] process_one_work+0x84d/0x18a0 [ 9987.356859][ T10] worker_thread+0x587/0xd30 [ 9987.356859][ T10] kthread+0x28a/0x350 [ 9987.356859][ T10] ret_from_fork+0x31/0x70 [ 9987.356859][ T10] ret_from_fork_asm+0x1a/0x30 [ 9987.356859][ T10] [ 9987.358997][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9987.358997][ T10] netdev_get_by_index+0x5e/0x80 [ 9987.358997][ T10] fib6_nh_init+0x3d8/0x1580 [ 9987.358997][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9987.358997][ T10] ip6_route_add+0x1c/0x140 [ 9987.358997][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9987.358997][ T10] inet6_addr_add+0x4f8/0xa40 [ 9987.358997][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9987.358997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9987.358997][ T10] netlink_rcv_skb+0x130/0x360 [ 9987.358997][ T10] netlink_unicast+0x449/0x710 [ 9987.358997][ T10] netlink_sendmsg+0x723/0xbe0 [ 9987.358997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9987.358997][ T10] ___sys_sendmsg+0xee/0x170 [ 9987.358997][ T10] __sys_sendmsg+0xcd/0x170 [ 9987.358997][ T10] do_syscall_64+0xc6/0x1e0 [ 9987.358997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9987.358997][ T10] [ 9987.361153][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9987.361153][ T10] netdev_get_by_index+0x5e/0x80 [ 9987.361153][ T10] fib6_nh_init+0x3d8/0x1580 [ 9987.361153][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9987.361153][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9987.361153][ T10] ipv6_add_addr+0x411/0x2000 [ 9987.361153][ T10] inet6_addr_add+0x30e/0xa40 [ 9987.361153][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9987.361153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9987.361153][ T10] netlink_rcv_skb+0x130/0x360 [ 9987.361153][ T10] netlink_unicast+0x449/0x710 [ 9987.361153][ T10] netlink_sendmsg+0x723/0xbe0 [ 9987.361153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9987.361153][ T10] ___sys_sendmsg+0xee/0x170 [ 9987.361153][ T10] __sys_sendmsg+0xcd/0x170 [ 9987.361153][ T10] do_syscall_64+0xc6/0x1e0 [ 9987.361153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9987.361153][ T10] [ 9987.363387][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9987.363387][ T10] netdev_get_by_index+0x5e/0x80 [ 9987.363387][ T10] fib6_nh_init+0x3d8/0x1580 [ 9987.363387][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9987.363387][ T10] ip6_route_add+0x1c/0x140 [ 9987.363387][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9987.363387][ T10] addrconf_add_dev+0xe2/0x170 [ 9987.363387][ T10] inet6_addr_add+0x12f/0xa40 [ 9987.363387][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9987.363387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9987.363387][ T10] netlink_rcv_skb+0x130/0x360 [ 9987.363387][ T10] netlink_unicast+0x449/0x710 [ 9987.363387][ T10] netlink_sendmsg+0x723/0xbe0 [ 9987.363387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9987.363387][ T10] ___sys_sendmsg+0xee/0x170 [ 9987.363387][ T10] __sys_sendmsg+0xcd/0x170 [ 9987.363387][ T10] do_syscall_64+0xc6/0x1e0 [ 9987.363387][ T10] [ 9987.365633][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9987.365633][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9987.365633][ T10] ipv6_find_idev+0x102/0x170 [ 9987.365633][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9987.365633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9987.365633][ T10] netlink_rcv_skb+0x130/0x360 [ 9987.365633][ T10] netlink_unicast+0x449/0x710 [ 9987.365633][ T10] netlink_sendmsg+0x723/0xbe0 [ 9987.365633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9987.365633][ T10] ___sys_sendmsg+0xee/0x170 [ 9987.365633][ T10] __sys_sendmsg+0xcd/0x170 [ 9987.365633][ T10] do_syscall_64+0xc6/0x1e0 [ 9987.365633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9987.365633][ T10] [ 9987.367343][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9987.367343][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9987.367343][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9987.367343][ T10] ipv6_find_idev+0x102/0x170 [ 9987.367343][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9987.367343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9987.367343][ T10] netlink_rcv_skb+0x130/0x360 [ 9987.367343][ T10] netlink_unicast+0x449/0x710 [ 9987.367343][ T10] netlink_sendmsg+0x723/0xbe0 [ 9987.367343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9987.367343][ T10] ___sys_sendmsg+0xee/0x170 [ 9987.367343][ T10] __sys_sendmsg+0xcd/0x170 [ 9987.367343][ T10] do_syscall_64+0xc6/0x1e0 [ 9987.367343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9987.367343][ T10] [ 9988.657126][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9988.657578][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9988.657578][ T1167] dst_init+0x84/0x4a0 [ 9988.657578][ T1167] dst_alloc+0x97/0x150 [ 9988.657578][ T1167] ip6_dst_alloc+0x23/0x90 [ 9988.657578][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9988.657578][ T1167] ip6_pol_route+0x56f/0x840 [ 9988.657578][ T1167] fib6_rule_lookup+0x334/0x630 [ 9988.657578][ T1167] ip6_route_output_flags+0x259/0x480 [ 9988.657578][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9988.657578][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9988.657578][ T1167] netlink_rcv_skb+0x130/0x360 [ 9988.657578][ T1167] netlink_unicast+0x449/0x710 [ 9988.657578][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9988.657578][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9988.657578][ T1167] ___sys_sendmsg+0xee/0x170 [ 9988.657578][ T1167] __sys_sendmsg+0xcd/0x170 [ 9988.657578][ T1167] do_syscall_64+0xc6/0x1e0 [ 9988.657578][ T1167] [ 9988.659757][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9988.659757][ T1167] netdev_get_by_index+0x5e/0x80 [ 9988.659757][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9988.659757][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9988.659757][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9988.659757][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9988.659757][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9988.659757][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9988.659757][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9988.659757][ T1167] addrconf_dad_begin+0x310/0x670 [ 9988.659757][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9988.659757][ T1167] process_one_work+0x84d/0x18a0 [ 9988.659757][ T1167] worker_thread+0x587/0xd30 [ 9988.659757][ T1167] kthread+0x28a/0x350 [ 9988.659757][ T1167] ret_from_fork+0x31/0x70 [ 9988.659757][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9988.659757][ T1167] [ 9988.661914][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9988.661914][ T1167] netdev_get_by_index+0x5e/0x80 [ 9988.661914][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9988.661914][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9988.661914][ T1167] ip6_route_add+0x1c/0x140 [ 9988.661914][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9988.661914][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9988.661914][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9988.661914][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9988.661914][ T1167] netlink_rcv_skb+0x130/0x360 [ 9988.661914][ T1167] netlink_unicast+0x449/0x710 [ 9988.661914][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9988.661914][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9988.661914][ T1167] ___sys_sendmsg+0xee/0x170 [ 9988.661914][ T1167] __sys_sendmsg+0xcd/0x170 [ 9988.661914][ T1167] do_syscall_64+0xc6/0x1e0 [ 9988.661914][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9988.661914][ T1167] [ 9988.664145][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9988.664145][ T1167] netdev_get_by_index+0x5e/0x80 [ 9988.664145][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9988.664145][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9988.664145][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9988.664145][ T1167] ipv6_add_addr+0x411/0x2000 [ 9988.664145][ T1167] inet6_addr_add+0x30e/0xa40 [ 9988.664145][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9988.664145][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9988.664145][ T1167] netlink_rcv_skb+0x130/0x360 [ 9988.664145][ T1167] netlink_unicast+0x449/0x710 [ 9988.664145][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9988.664145][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9988.664145][ T1167] ___sys_sendmsg+0xee/0x170 [ 9988.664145][ T1167] __sys_sendmsg+0xcd/0x170 [ 9988.664145][ T1167] do_syscall_64+0xc6/0x1e0 [ 9988.664145][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9988.664145][ T1167] [ 9988.666380][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9988.666380][ T1167] netdev_get_by_index+0x5e/0x80 [ 9988.666380][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9988.666380][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9988.666380][ T1167] ip6_route_add+0x1c/0x140 [ 9988.666380][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9988.666380][ T1167] addrconf_add_dev+0xe2/0x170 [ 9988.666380][ T1167] inet6_addr_add+0x12f/0xa40 [ 9988.666380][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9988.666380][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9988.666380][ T1167] netlink_rcv_skb+0x130/0x360 [ 9988.666380][ T1167] netlink_unicast+0x449/0x710 [ 9988.666380][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9988.666380][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9988.666380][ T1167] ___sys_sendmsg+0xee/0x170 [ 9988.666380][ T1167] __sys_sendmsg+0xcd/0x170 [ 9988.666380][ T1167] do_syscall_64+0xc6/0x1e0 [ 9988.666380][ T1167] [ 9988.668579][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9988.668579][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9988.668579][ T1167] ipv6_find_idev+0x102/0x170 [ 9988.668579][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9988.668579][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9988.668579][ T1167] netlink_rcv_skb+0x130/0x360 [ 9988.668579][ T1167] netlink_unicast+0x449/0x710 [ 9988.668579][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9988.668579][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9988.668579][ T1167] ___sys_sendmsg+0xee/0x170 [ 9988.668579][ T1167] __sys_sendmsg+0xcd/0x170 [ 9988.668579][ T1167] do_syscall_64+0xc6/0x1e0 [ 9988.668579][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9988.668579][ T1167] [ 9988.670295][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9988.670295][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9988.670295][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9988.670295][ T1167] ipv6_find_idev+0x102/0x170 [ 9988.670295][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9988.670295][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9988.670295][ T1167] netlink_rcv_skb+0x130/0x360 [ 9988.670295][ T1167] netlink_unicast+0x449/0x710 [ 9988.670295][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9988.670295][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9988.670295][ T1167] ___sys_sendmsg+0xee/0x170 [ 9988.670295][ T1167] __sys_sendmsg+0xcd/0x170 [ 9988.670295][ T1167] do_syscall_64+0xc6/0x1e0 [ 9988.670295][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9988.670295][ T1167] [ 9997.609119][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 9997.609535][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9997.609535][ T10] netdev_get_by_index+0x5e/0x80 [ 9997.609535][ T10] fib6_nh_init+0x3d8/0x1580 [ 9997.609535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9997.609535][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9997.609535][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9997.609535][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9997.609535][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9997.609535][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9997.609535][ T10] addrconf_dad_begin+0x310/0x670 [ 9997.609535][ T10] addrconf_dad_work+0x10b/0xab0 [ 9997.609535][ T10] process_one_work+0x84d/0x18a0 [ 9997.609535][ T10] worker_thread+0x587/0xd30 [ 9997.609535][ T10] kthread+0x28a/0x350 [ 9997.609535][ T10] ret_from_fork+0x31/0x70 [ 9997.609535][ T10] ret_from_fork_asm+0x1a/0x30 [ 9997.609535][ T10] [ 9997.611497][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9997.611497][ T10] netdev_get_by_index+0x5e/0x80 [ 9997.611497][ T10] fib6_nh_init+0x3d8/0x1580 [ 9997.611497][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9997.611497][ T10] ip6_route_add+0x1c/0x140 [ 9997.611497][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9997.611497][ T10] inet6_addr_add+0x4f8/0xa40 [ 9997.611497][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9997.611497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9997.611497][ T10] netlink_rcv_skb+0x130/0x360 [ 9997.611497][ T10] netlink_unicast+0x449/0x710 [ 9997.611497][ T10] netlink_sendmsg+0x723/0xbe0 [ 9997.611497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9997.611497][ T10] ___sys_sendmsg+0xee/0x170 [ 9997.611497][ T10] __sys_sendmsg+0xcd/0x170 [ 9997.611497][ T10] do_syscall_64+0xc6/0x1e0 [ 9997.611497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9997.611497][ T10] [ 9997.613495][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9997.613495][ T10] netdev_get_by_index+0x5e/0x80 [ 9997.613495][ T10] fib6_nh_init+0x3d8/0x1580 [ 9997.613495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9997.613495][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9997.613495][ T10] ipv6_add_addr+0x411/0x2000 [ 9997.613495][ T10] inet6_addr_add+0x30e/0xa40 [ 9997.613495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9997.613495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9997.613495][ T10] netlink_rcv_skb+0x130/0x360 [ 9997.613495][ T10] netlink_unicast+0x449/0x710 [ 9997.613495][ T10] netlink_sendmsg+0x723/0xbe0 [ 9997.613495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9997.613495][ T10] ___sys_sendmsg+0xee/0x170 [ 9997.613495][ T10] __sys_sendmsg+0xcd/0x170 [ 9997.613495][ T10] do_syscall_64+0xc6/0x1e0 [ 9997.613495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9997.613495][ T10] [ 9997.615474][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9997.615474][ T10] netdev_get_by_index+0x5e/0x80 [ 9997.615474][ T10] fib6_nh_init+0x3d8/0x1580 [ 9997.615474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9997.615474][ T10] ip6_route_add+0x1c/0x140 [ 9997.615474][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9997.615474][ T10] addrconf_add_dev+0xe2/0x170 [ 9997.615474][ T10] inet6_addr_add+0x12f/0xa40 [ 9997.615474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9997.615474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9997.615474][ T10] netlink_rcv_skb+0x130/0x360 [ 9997.615474][ T10] netlink_unicast+0x449/0x710 [ 9997.615474][ T10] netlink_sendmsg+0x723/0xbe0 [ 9997.615474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9997.615474][ T10] ___sys_sendmsg+0xee/0x170 [ 9997.615474][ T10] __sys_sendmsg+0xcd/0x170 [ 9997.615474][ T10] do_syscall_64+0xc6/0x1e0 [ 9997.615474][ T10] [ 9997.617427][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9997.617427][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9997.617427][ T10] ipv6_find_idev+0x102/0x170 [ 9997.617427][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9997.617427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9997.617427][ T10] netlink_rcv_skb+0x130/0x360 [ 9997.617427][ T10] netlink_unicast+0x449/0x710 [ 9997.617427][ T10] netlink_sendmsg+0x723/0xbe0 [ 9997.617427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9997.617427][ T10] ___sys_sendmsg+0xee/0x170 [ 9997.617427][ T10] __sys_sendmsg+0xcd/0x170 [ 9997.617427][ T10] do_syscall_64+0xc6/0x1e0 [ 9997.617427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9997.617427][ T10] [ 9997.618955][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 9997.618955][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9997.618955][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9997.618955][ T10] ipv6_find_idev+0x102/0x170 [ 9997.618955][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9997.618955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9997.618955][ T10] netlink_rcv_skb+0x130/0x360 [ 9997.618955][ T10] netlink_unicast+0x449/0x710 [ 9997.618955][ T10] netlink_sendmsg+0x723/0xbe0 [ 9997.618955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9997.618955][ T10] ___sys_sendmsg+0xee/0x170 [ 9997.618955][ T10] __sys_sendmsg+0xcd/0x170 [ 9997.618955][ T10] do_syscall_64+0xc6/0x1e0 [ 9997.618955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9997.618955][ T10] [ 9997.620628][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 9997.620867][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9997.620867][ T10] netdev_get_by_index+0x5e/0x80 [ 9997.620867][ T10] fib6_nh_init+0x3d8/0x1580 [ 9997.620867][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9997.620867][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9997.620867][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9997.620867][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9997.620867][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9997.620867][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9997.620867][ T10] addrconf_dad_begin+0x310/0x670 [ 9997.620867][ T10] addrconf_dad_work+0x10b/0xab0 [ 9997.620867][ T10] process_one_work+0x84d/0x18a0 [ 9997.620867][ T10] worker_thread+0x587/0xd30 [ 9997.620867][ T10] kthread+0x28a/0x350 [ 9997.620867][ T10] ret_from_fork+0x31/0x70 [ 9997.620867][ T10] ret_from_fork_asm+0x1a/0x30 [ 9997.620867][ T10] [ 9997.622770][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9997.622770][ T10] netdev_get_by_index+0x5e/0x80 [ 9997.622770][ T10] fib6_nh_init+0x3d8/0x1580 [ 9997.622770][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9997.622770][ T10] ip6_route_add+0x1c/0x140 [ 9997.622770][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9997.622770][ T10] inet6_addr_add+0x4f8/0xa40 [ 9997.622770][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9997.622770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9997.622770][ T10] netlink_rcv_skb+0x130/0x360 [ 9997.622770][ T10] netlink_unicast+0x449/0x710 [ 9997.622770][ T10] netlink_sendmsg+0x723/0xbe0 [ 9997.622770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9997.622770][ T10] ___sys_sendmsg+0xee/0x170 [ 9997.622770][ T10] __sys_sendmsg+0xcd/0x170 [ 9997.622770][ T10] do_syscall_64+0xc6/0x1e0 [ 9997.622770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9997.622770][ T10] [ 9997.624779][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9997.624779][ T10] netdev_get_by_index+0x5e/0x80 [ 9997.624779][ T10] fib6_nh_init+0x3d8/0x1580 [ 9997.624779][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9997.624779][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9997.624779][ T10] ipv6_add_addr+0x411/0x2000 [ 9997.624779][ T10] inet6_addr_add+0x30e/0xa40 [ 9997.624779][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9997.624779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9997.624779][ T10] netlink_rcv_skb+0x130/0x360 [ 9997.624779][ T10] netlink_unicast+0x449/0x710 [ 9997.624779][ T10] netlink_sendmsg+0x723/0xbe0 [ 9997.624779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9997.624779][ T10] ___sys_sendmsg+0xee/0x170 [ 9997.624779][ T10] __sys_sendmsg+0xcd/0x170 [ 9997.624779][ T10] do_syscall_64+0xc6/0x1e0 [ 9997.624779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9997.624779][ T10] [ 9997.626763][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9997.626763][ T10] netdev_get_by_index+0x5e/0x80 [ 9997.626763][ T10] fib6_nh_init+0x3d8/0x1580 [ 9997.626763][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9997.626763][ T10] ip6_route_add+0x1c/0x140 [ 9997.626763][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9997.626763][ T10] addrconf_add_dev+0xe2/0x170 [ 9997.626763][ T10] inet6_addr_add+0x12f/0xa40 [ 9997.626763][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9997.626763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9997.626763][ T10] netlink_rcv_skb+0x130/0x360 [ 9997.626763][ T10] netlink_unicast+0x449/0x710 [ 9997.626763][ T10] netlink_sendmsg+0x723/0xbe0 [ 9997.626763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9997.626763][ T10] ___sys_sendmsg+0xee/0x170 [ 9997.626763][ T10] __sys_sendmsg+0xcd/0x170 [ 9997.626763][ T10] do_syscall_64+0xc6/0x1e0 [ 9997.626763][ T10] [ 9997.628713][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9997.628713][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9997.628713][ T10] ipv6_find_idev+0x102/0x170 [ 9997.628713][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9997.628713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9997.628713][ T10] netlink_rcv_skb+0x130/0x360 [ 9997.628713][ T10] netlink_unicast+0x449/0x710 [ 9997.628713][ T10] netlink_sendmsg+0x723/0xbe0 [ 9997.628713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9997.628713][ T10] ___sys_sendmsg+0xee/0x170 [ 9997.628713][ T10] __sys_sendmsg+0xcd/0x170 [ 9997.628713][ T10] do_syscall_64+0xc6/0x1e0 [ 9997.628713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9997.628713][ T10] [ 9997.630244][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 9997.630244][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9997.630244][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9997.630244][ T10] ipv6_find_idev+0x102/0x170 [ 9997.630244][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9997.630244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9997.630244][ T10] netlink_rcv_skb+0x130/0x360 [ 9997.630244][ T10] netlink_unicast+0x449/0x710 [ 9997.630244][ T10] netlink_sendmsg+0x723/0xbe0 [ 9997.630244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9997.630244][ T10] ___sys_sendmsg+0xee/0x170 [ 9997.630244][ T10] __sys_sendmsg+0xcd/0x170 [ 9997.630244][ T10] do_syscall_64+0xc6/0x1e0 [ 9997.630244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9997.630244][ T10] [ 9997.631927][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9997.632174][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9997.632174][ T10] netdev_get_by_index+0x5e/0x80 [ 9997.632174][ T10] fib6_nh_init+0x3d8/0x1580 [ 9997.632174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9997.632174][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9997.632174][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9997.632174][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9997.632174][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9997.632174][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9997.632174][ T10] addrconf_dad_begin+0x310/0x670 [ 9997.632174][ T10] addrconf_dad_work+0x10b/0xab0 [ 9997.632174][ T10] process_one_work+0x84d/0x18a0 [ 9997.632174][ T10] worker_thread+0x587/0xd30 [ 9997.632174][ T10] kthread+0x28a/0x350 [ 9997.632174][ T10] ret_from_fork+0x31/0x70 [ 9997.632174][ T10] ret_from_fork_asm+0x1a/0x30 [ 9997.632174][ T10] [ 9997.634078][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9997.634078][ T10] netdev_get_by_index+0x5e/0x80 [ 9997.634078][ T10] fib6_nh_init+0x3d8/0x1580 [ 9997.634078][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9997.634078][ T10] ip6_route_add+0x1c/0x140 [ 9997.634078][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9997.634078][ T10] inet6_addr_add+0x4f8/0xa40 [ 9997.634078][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9997.634078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9997.634078][ T10] netlink_rcv_skb+0x130/0x360 [ 9997.634078][ T10] netlink_unicast+0x449/0x710 [ 9997.634078][ T10] netlink_sendmsg+0x723/0xbe0 [ 9997.634078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9997.634078][ T10] ___sys_sendmsg+0xee/0x170 [ 9997.634078][ T10] __sys_sendmsg+0xcd/0x170 [ 9997.634078][ T10] do_syscall_64+0xc6/0x1e0 [ 9997.634078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9997.634078][ T10] [ 9997.636197][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9997.636197][ T10] netdev_get_by_index+0x5e/0x80 [ 9997.636197][ T10] fib6_nh_init+0x3d8/0x1580 [ 9997.636197][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9997.636197][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9997.636197][ T10] ipv6_add_addr+0x411/0x2000 [ 9997.636197][ T10] inet6_addr_add+0x30e/0xa40 [ 9997.636197][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9997.636197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9997.636197][ T10] netlink_rcv_skb+0x130/0x360 [ 9997.636197][ T10] netlink_unicast+0x449/0x710 [ 9997.636197][ T10] netlink_sendmsg+0x723/0xbe0 [ 9997.636197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9997.636197][ T10] ___sys_sendmsg+0xee/0x170 [ 9997.636197][ T10] __sys_sendmsg+0xcd/0x170 [ 9997.636197][ T10] do_syscall_64+0xc6/0x1e0 [ 9997.636197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9997.636197][ T10] [ 9997.638321][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9997.638321][ T10] netdev_get_by_index+0x5e/0x80 [ 9997.638321][ T10] fib6_nh_init+0x3d8/0x1580 [ 9997.638321][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9997.638321][ T10] ip6_route_add+0x1c/0x140 [ 9997.638321][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9997.638321][ T10] addrconf_add_dev+0xe2/0x170 [ 9997.638321][ T10] inet6_addr_add+0x12f/0xa40 [ 9997.638321][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9997.638321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9997.638321][ T10] netlink_rcv_skb+0x130/0x360 [ 9997.638321][ T10] netlink_unicast+0x449/0x710 [ 9997.638321][ T10] netlink_sendmsg+0x723/0xbe0 [ 9997.638321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9997.638321][ T10] ___sys_sendmsg+0xee/0x170 [ 9997.638321][ T10] __sys_sendmsg+0xcd/0x170 [ 9997.638321][ T10] do_syscall_64+0xc6/0x1e0 [ 9997.638321][ T10] [ 9997.640397][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9997.640397][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9997.640397][ T10] ipv6_find_idev+0x102/0x170 [ 9997.640397][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9997.640397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9997.640397][ T10] netlink_rcv_skb+0x130/0x360 [ 9997.640397][ T10] netlink_unicast+0x449/0x710 [ 9997.640397][ T10] netlink_sendmsg+0x723/0xbe0 [ 9997.640397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9997.640397][ T10] ___sys_sendmsg+0xee/0x170 [ 9997.640397][ T10] __sys_sendmsg+0xcd/0x170 [ 9997.640397][ T10] do_syscall_64+0xc6/0x1e0 [ 9997.640397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9997.640397][ T10] [ 9997.642009][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 9997.642009][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9997.642009][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9997.642009][ T10] ipv6_find_idev+0x102/0x170 [ 9997.642009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9997.642009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9997.642009][ T10] netlink_rcv_skb+0x130/0x360 [ 9997.642009][ T10] netlink_unicast+0x449/0x710 [ 9997.642009][ T10] netlink_sendmsg+0x723/0xbe0 [ 9997.642009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9997.642009][ T10] ___sys_sendmsg+0xee/0x170 [ 9997.642009][ T10] __sys_sendmsg+0xcd/0x170 [ 9997.642009][ T10] do_syscall_64+0xc6/0x1e0 [ 9997.642009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9997.642009][ T10] [ 9997.643805][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 9997.644040][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9997.644040][ T10] netdev_get_by_index+0x5e/0x80 [ 9997.644040][ T10] fib6_nh_init+0x3d8/0x1580 [ 9997.644040][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9997.644040][ T10] addrconf_f6i_alloc+0x265/0x560 [ 9997.644040][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9997.644040][ T10] addrconf_join_anycast+0x1c0/0x220 [ 9997.644040][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9997.644040][ T10] addrconf_dad_completed+0x12b/0xe20 [ 9997.644040][ T10] addrconf_dad_begin+0x310/0x670 [ 9997.644040][ T10] addrconf_dad_work+0x10b/0xab0 [ 9997.644040][ T10] process_one_work+0x84d/0x18a0 [ 9997.644040][ T10] worker_thread+0x587/0xd30 [ 9997.644040][ T10] kthread+0x28a/0x350 [ 9997.644040][ T10] ret_from_fork+0x31/0x70 [ 9997.644040][ T10] ret_from_fork_asm+0x1a/0x30 [ 9997.644040][ T10] [ 9997.646062][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9997.646062][ T10] netdev_get_by_index+0x5e/0x80 [ 9997.646062][ T10] fib6_nh_init+0x3d8/0x1580 [ 9997.646062][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9997.646062][ T10] ip6_route_add+0x1c/0x140 [ 9997.646062][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9997.646062][ T10] inet6_addr_add+0x4f8/0xa40 [ 9997.646062][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9997.646062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9997.646062][ T10] netlink_rcv_skb+0x130/0x360 [ 9997.646062][ T10] netlink_unicast+0x449/0x710 [ 9997.646062][ T10] netlink_sendmsg+0x723/0xbe0 [ 9997.646062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9997.646062][ T10] ___sys_sendmsg+0xee/0x170 [ 9997.646062][ T10] __sys_sendmsg+0xcd/0x170 [ 9997.646062][ T10] do_syscall_64+0xc6/0x1e0 [ 9997.646062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9997.646062][ T10] [ 9997.648245][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9997.648245][ T10] netdev_get_by_index+0x5e/0x80 [ 9997.648245][ T10] fib6_nh_init+0x3d8/0x1580 [ 9997.648245][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9997.648245][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9997.648245][ T10] ipv6_add_addr+0x411/0x2000 [ 9997.648245][ T10] inet6_addr_add+0x30e/0xa40 [ 9997.648245][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9997.648245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9997.648245][ T10] netlink_rcv_skb+0x130/0x360 [ 9997.648245][ T10] netlink_unicast+0x449/0x710 [ 9997.648245][ T10] netlink_sendmsg+0x723/0xbe0 [ 9997.648245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9997.648245][ T10] ___sys_sendmsg+0xee/0x170 [ 9997.648245][ T10] __sys_sendmsg+0xcd/0x170 [ 9997.648245][ T10] do_syscall_64+0xc6/0x1e0 [ 9997.648245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9997.648245][ T10] [ 9997.650360][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9997.650360][ T10] netdev_get_by_index+0x5e/0x80 [ 9997.650360][ T10] fib6_nh_init+0x3d8/0x1580 [ 9997.650360][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9997.650360][ T10] ip6_route_add+0x1c/0x140 [ 9997.650360][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9997.650360][ T10] addrconf_add_dev+0xe2/0x170 [ 9997.650360][ T10] inet6_addr_add+0x12f/0xa40 [ 9997.650360][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9997.650360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9997.650360][ T10] netlink_rcv_skb+0x130/0x360 [ 9997.650360][ T10] netlink_unicast+0x449/0x710 [ 9997.650360][ T10] netlink_sendmsg+0x723/0xbe0 [ 9997.650360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9997.650360][ T10] ___sys_sendmsg+0xee/0x170 [ 9997.650360][ T10] __sys_sendmsg+0xcd/0x170 [ 9997.650360][ T10] do_syscall_64+0xc6/0x1e0 [ 9997.650360][ T10] [ 9997.652443][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9997.652443][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9997.652443][ T10] ipv6_find_idev+0x102/0x170 [ 9997.652443][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9997.652443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9997.652443][ T10] netlink_rcv_skb+0x130/0x360 [ 9997.652443][ T10] netlink_unicast+0x449/0x710 [ 9997.652443][ T10] netlink_sendmsg+0x723/0xbe0 [ 9997.652443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9997.652443][ T10] ___sys_sendmsg+0xee/0x170 [ 9997.652443][ T10] __sys_sendmsg+0xcd/0x170 [ 9997.652443][ T10] do_syscall_64+0xc6/0x1e0 [ 9997.652443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9997.652443][ T10] [ 9997.654028][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 9997.654028][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9997.654028][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9997.654028][ T10] ipv6_find_idev+0x102/0x170 [ 9997.654028][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9997.654028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9997.654028][ T10] netlink_rcv_skb+0x130/0x360 [ 9997.654028][ T10] netlink_unicast+0x449/0x710 [ 9997.654028][ T10] netlink_sendmsg+0x723/0xbe0 [ 9997.654028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9997.654028][ T10] ___sys_sendmsg+0xee/0x170 [ 9997.654028][ T10] __sys_sendmsg+0xcd/0x170 [ 9997.654028][ T10] do_syscall_64+0xc6/0x1e0 [ 9997.654028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9997.654028][ T10] [ 9998.857105][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [ 9998.857559][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9998.857559][ T1167] dst_init+0x84/0x4a0 [ 9998.857559][ T1167] dst_alloc+0x97/0x150 [ 9998.857559][ T1167] ip6_dst_alloc+0x23/0x90 [ 9998.857559][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9998.857559][ T1167] ip6_pol_route+0x56f/0x840 [ 9998.857559][ T1167] fib6_rule_lookup+0x334/0x630 [ 9998.857559][ T1167] ip6_route_output_flags+0x259/0x480 [ 9998.857559][ T1167] inet6_rtm_getroute+0x980/0xf70 [ 9998.857559][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [ 9998.857559][ T1167] netlink_rcv_skb+0x130/0x360 [ 9998.857559][ T1167] netlink_unicast+0x449/0x710 [ 9998.857559][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9998.857559][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9998.857559][ T1167] ___sys_sendmsg+0xee/0x170 [ 9998.857559][ T1167] __sys_sendmsg+0xcd/0x170 [ 9998.857559][ T1167] do_syscall_64+0xc6/0x1e0 [ 9998.857559][ T1167] [ 9998.859742][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9998.859742][ T1167] netdev_get_by_index+0x5e/0x80 [ 9998.859742][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9998.859742][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9998.859742][ T1167] addrconf_f6i_alloc+0x265/0x560 [ 9998.859742][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [ 9998.859742][ T1167] addrconf_join_anycast+0x1c0/0x220 [ 9998.859742][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [ 9998.859742][ T1167] addrconf_dad_completed+0x12b/0xe20 [ 9998.859742][ T1167] addrconf_dad_begin+0x310/0x670 [ 9998.859742][ T1167] addrconf_dad_work+0x10b/0xab0 [ 9998.859742][ T1167] process_one_work+0x84d/0x18a0 [ 9998.859742][ T1167] worker_thread+0x587/0xd30 [ 9998.859742][ T1167] kthread+0x28a/0x350 [ 9998.859742][ T1167] ret_from_fork+0x31/0x70 [ 9998.859742][ T1167] ret_from_fork_asm+0x1a/0x30 [ 9998.859742][ T1167] [ 9998.861898][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9998.861898][ T1167] netdev_get_by_index+0x5e/0x80 [ 9998.861898][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9998.861898][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9998.861898][ T1167] ip6_route_add+0x1c/0x140 [ 9998.861898][ T1167] addrconf_prefix_route+0x2a6/0x430 [ 9998.861898][ T1167] inet6_addr_add+0x4f8/0xa40 [ 9998.861898][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9998.861898][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9998.861898][ T1167] netlink_rcv_skb+0x130/0x360 [ 9998.861898][ T1167] netlink_unicast+0x449/0x710 [ 9998.861898][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9998.861898][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9998.861898][ T1167] ___sys_sendmsg+0xee/0x170 [ 9998.861898][ T1167] __sys_sendmsg+0xcd/0x170 [ 9998.861898][ T1167] do_syscall_64+0xc6/0x1e0 [ 9998.861898][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9998.861898][ T1167] [ 9998.864130][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9998.864130][ T1167] netdev_get_by_index+0x5e/0x80 [ 9998.864130][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9998.864130][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9998.864130][ T1167] addrconf_f6i_alloc+0x315/0x560 [ 9998.864130][ T1167] ipv6_add_addr+0x411/0x2000 [ 9998.864130][ T1167] inet6_addr_add+0x30e/0xa40 [ 9998.864130][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9998.864130][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9998.864130][ T1167] netlink_rcv_skb+0x130/0x360 [ 9998.864130][ T1167] netlink_unicast+0x449/0x710 [ 9998.864130][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9998.864130][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9998.864130][ T1167] ___sys_sendmsg+0xee/0x170 [ 9998.864130][ T1167] __sys_sendmsg+0xcd/0x170 [ 9998.864130][ T1167] do_syscall_64+0xc6/0x1e0 [ 9998.864130][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9998.864130][ T1167] [ 9998.866358][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9998.866358][ T1167] netdev_get_by_index+0x5e/0x80 [ 9998.866358][ T1167] fib6_nh_init+0x3d8/0x1580 [ 9998.866358][ T1167] ip6_route_info_create+0xf18/0x17d0 [ 9998.866358][ T1167] ip6_route_add+0x1c/0x140 [ 9998.866358][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [ 9998.866358][ T1167] addrconf_add_dev+0xe2/0x170 [ 9998.866358][ T1167] inet6_addr_add+0x12f/0xa40 [ 9998.866358][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [ 9998.866358][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9998.866358][ T1167] netlink_rcv_skb+0x130/0x360 [ 9998.866358][ T1167] netlink_unicast+0x449/0x710 [ 9998.866358][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9998.866358][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9998.866358][ T1167] ___sys_sendmsg+0xee/0x170 [ 9998.866358][ T1167] __sys_sendmsg+0xcd/0x170 [ 9998.866358][ T1167] do_syscall_64+0xc6/0x1e0 [ 9998.866358][ T1167] [ 9998.868551][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9998.868551][ T1167] ipv6_add_dev+0x3ba/0x11c0 [ 9998.868551][ T1167] ipv6_find_idev+0x102/0x170 [ 9998.868551][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9998.868551][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9998.868551][ T1167] netlink_rcv_skb+0x130/0x360 [ 9998.868551][ T1167] netlink_unicast+0x449/0x710 [ 9998.868551][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9998.868551][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9998.868551][ T1167] ___sys_sendmsg+0xee/0x170 [ 9998.868551][ T1167] __sys_sendmsg+0xcd/0x170 [ 9998.868551][ T1167] do_syscall_64+0xc6/0x1e0 [ 9998.868551][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9998.868551][ T1167] [ 9998.870269][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [ 9998.870269][ T1167] neigh_parms_alloc+0x1e5/0x510 [ 9998.870269][ T1167] ipv6_add_dev+0x2fe/0x11c0 [ 9998.870269][ T1167] ipv6_find_idev+0x102/0x170 [ 9998.870269][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9998.870269][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9998.870269][ T1167] netlink_rcv_skb+0x130/0x360 [ 9998.870269][ T1167] netlink_unicast+0x449/0x710 [ 9998.870269][ T1167] netlink_sendmsg+0x723/0xbe0 [ 9998.870269][ T1167] ____sys_sendmsg+0x7b2/0xa10 [ 9998.870269][ T1167] ___sys_sendmsg+0xee/0x170 [ 9998.870269][ T1167] __sys_sendmsg+0xcd/0x170 [ 9998.870269][ T1167] do_syscall_64+0xc6/0x1e0 [ 9998.870269][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9998.870269][ T1167] [10007.897114][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10007.897518][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10007.897518][ T10] netdev_get_by_index+0x5e/0x80 [10007.897518][ T10] fib6_nh_init+0x3d8/0x1580 [10007.897518][ T10] ip6_route_info_create+0xf18/0x17d0 [10007.897518][ T10] addrconf_f6i_alloc+0x265/0x560 [10007.897518][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10007.897518][ T10] addrconf_join_anycast+0x1c0/0x220 [10007.897518][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10007.897518][ T10] addrconf_dad_completed+0x12b/0xe20 [10007.897518][ T10] addrconf_dad_begin+0x310/0x670 [10007.897518][ T10] addrconf_dad_work+0x10b/0xab0 [10007.897518][ T10] process_one_work+0x84d/0x18a0 [10007.897518][ T10] worker_thread+0x587/0xd30 [10007.897518][ T10] kthread+0x28a/0x350 [10007.897518][ T10] ret_from_fork+0x31/0x70 [10007.897518][ T10] ret_from_fork_asm+0x1a/0x30 [10007.897518][ T10] [10007.899446][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10007.899446][ T10] netdev_get_by_index+0x5e/0x80 [10007.899446][ T10] fib6_nh_init+0x3d8/0x1580 [10007.899446][ T10] ip6_route_info_create+0xf18/0x17d0 [10007.899446][ T10] ip6_route_add+0x1c/0x140 [10007.899446][ T10] addrconf_prefix_route+0x2a6/0x430 [10007.899446][ T10] inet6_addr_add+0x4f8/0xa40 [10007.899446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10007.899446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10007.899446][ T10] netlink_rcv_skb+0x130/0x360 [10007.899446][ T10] netlink_unicast+0x449/0x710 [10007.899446][ T10] netlink_sendmsg+0x723/0xbe0 [10007.899446][ T10] ____sys_sendmsg+0x7b2/0xa10 [10007.899446][ T10] ___sys_sendmsg+0xee/0x170 [10007.899446][ T10] __sys_sendmsg+0xcd/0x170 [10007.899446][ T10] do_syscall_64+0xc6/0x1e0 [10007.899446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10007.899446][ T10] [10007.901457][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10007.901457][ T10] netdev_get_by_index+0x5e/0x80 [10007.901457][ T10] fib6_nh_init+0x3d8/0x1580 [10007.901457][ T10] ip6_route_info_create+0xf18/0x17d0 [10007.901457][ T10] addrconf_f6i_alloc+0x315/0x560 [10007.901457][ T10] ipv6_add_addr+0x411/0x2000 [10007.901457][ T10] inet6_addr_add+0x30e/0xa40 [10007.901457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10007.901457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10007.901457][ T10] netlink_rcv_skb+0x130/0x360 [10007.901457][ T10] netlink_unicast+0x449/0x710 [10007.901457][ T10] netlink_sendmsg+0x723/0xbe0 [10007.901457][ T10] ____sys_sendmsg+0x7b2/0xa10 [10007.901457][ T10] ___sys_sendmsg+0xee/0x170 [10007.901457][ T10] __sys_sendmsg+0xcd/0x170 [10007.901457][ T10] do_syscall_64+0xc6/0x1e0 [10007.901457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10007.901457][ T10] [10007.903462][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10007.903462][ T10] netdev_get_by_index+0x5e/0x80 [10007.903462][ T10] fib6_nh_init+0x3d8/0x1580 [10007.903462][ T10] ip6_route_info_create+0xf18/0x17d0 [10007.903462][ T10] ip6_route_add+0x1c/0x140 [10007.903462][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10007.903462][ T10] addrconf_add_dev+0xe2/0x170 [10007.903462][ T10] inet6_addr_add+0x12f/0xa40 [10007.903462][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10007.903462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10007.903462][ T10] netlink_rcv_skb+0x130/0x360 [10007.903462][ T10] netlink_unicast+0x449/0x710 [10007.903462][ T10] netlink_sendmsg+0x723/0xbe0 [10007.903462][ T10] ____sys_sendmsg+0x7b2/0xa10 [10007.903462][ T10] ___sys_sendmsg+0xee/0x170 [10007.903462][ T10] __sys_sendmsg+0xcd/0x170 [10007.903462][ T10] do_syscall_64+0xc6/0x1e0 [10007.903462][ T10] [10007.905419][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10007.905419][ T10] ipv6_add_dev+0x3ba/0x11c0 [10007.905419][ T10] ipv6_find_idev+0x102/0x170 [10007.905419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10007.905419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10007.905419][ T10] netlink_rcv_skb+0x130/0x360 [10007.905419][ T10] netlink_unicast+0x449/0x710 [10007.905419][ T10] netlink_sendmsg+0x723/0xbe0 [10007.905419][ T10] ____sys_sendmsg+0x7b2/0xa10 [10007.905419][ T10] ___sys_sendmsg+0xee/0x170 [10007.905419][ T10] __sys_sendmsg+0xcd/0x170 [10007.905419][ T10] do_syscall_64+0xc6/0x1e0 [10007.905419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10007.905419][ T10] [10007.906954][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10007.906954][ T10] neigh_parms_alloc+0x1e5/0x510 [10007.906954][ T10] ipv6_add_dev+0x2fe/0x11c0 [10007.906954][ T10] ipv6_find_idev+0x102/0x170 [10007.906954][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10007.906954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10007.906954][ T10] netlink_rcv_skb+0x130/0x360 [10007.906954][ T10] netlink_unicast+0x449/0x710 [10007.906954][ T10] netlink_sendmsg+0x723/0xbe0 [10007.906954][ T10] ____sys_sendmsg+0x7b2/0xa10 [10007.906954][ T10] ___sys_sendmsg+0xee/0x170 [10007.906954][ T10] __sys_sendmsg+0xcd/0x170 [10007.906954][ T10] do_syscall_64+0xc6/0x1e0 [10007.906954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10007.906954][ T10] [10007.908634][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10007.908872][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10007.908872][ T10] netdev_get_by_index+0x5e/0x80 [10007.908872][ T10] fib6_nh_init+0x3d8/0x1580 [10007.908872][ T10] ip6_route_info_create+0xf18/0x17d0 [10007.908872][ T10] addrconf_f6i_alloc+0x265/0x560 [10007.908872][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10007.908872][ T10] addrconf_join_anycast+0x1c0/0x220 [10007.908872][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10007.908872][ T10] addrconf_dad_completed+0x12b/0xe20 [10007.908872][ T10] addrconf_dad_begin+0x310/0x670 [10007.908872][ T10] addrconf_dad_work+0x10b/0xab0 [10007.908872][ T10] process_one_work+0x84d/0x18a0 [10007.908872][ T10] worker_thread+0x587/0xd30 [10007.908872][ T10] kthread+0x28a/0x350 [10007.908872][ T10] ret_from_fork+0x31/0x70 [10007.908872][ T10] ret_from_fork_asm+0x1a/0x30 [10007.908872][ T10] [10007.910772][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10007.910772][ T10] netdev_get_by_index+0x5e/0x80 [10007.910772][ T10] fib6_nh_init+0x3d8/0x1580 [10007.910772][ T10] ip6_route_info_create+0xf18/0x17d0 [10007.910772][ T10] ip6_route_add+0x1c/0x140 [10007.910772][ T10] addrconf_prefix_route+0x2a6/0x430 [10007.910772][ T10] inet6_addr_add+0x4f8/0xa40 [10007.910772][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10007.910772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10007.910772][ T10] netlink_rcv_skb+0x130/0x360 [10007.910772][ T10] netlink_unicast+0x449/0x710 [10007.910772][ T10] netlink_sendmsg+0x723/0xbe0 [10007.910772][ T10] ____sys_sendmsg+0x7b2/0xa10 [10007.910772][ T10] ___sys_sendmsg+0xee/0x170 [10007.910772][ T10] __sys_sendmsg+0xcd/0x170 [10007.910772][ T10] do_syscall_64+0xc6/0x1e0 [10007.910772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10007.910772][ T10] [10007.912775][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10007.912775][ T10] netdev_get_by_index+0x5e/0x80 [10007.912775][ T10] fib6_nh_init+0x3d8/0x1580 [10007.912775][ T10] ip6_route_info_create+0xf18/0x17d0 [10007.912775][ T10] addrconf_f6i_alloc+0x315/0x560 [10007.912775][ T10] ipv6_add_addr+0x411/0x2000 [10007.912775][ T10] inet6_addr_add+0x30e/0xa40 [10007.912775][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10007.912775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10007.912775][ T10] netlink_rcv_skb+0x130/0x360 [10007.912775][ T10] netlink_unicast+0x449/0x710 [10007.912775][ T10] netlink_sendmsg+0x723/0xbe0 [10007.912775][ T10] ____sys_sendmsg+0x7b2/0xa10 [10007.912775][ T10] ___sys_sendmsg+0xee/0x170 [10007.912775][ T10] __sys_sendmsg+0xcd/0x170 [10007.912775][ T10] do_syscall_64+0xc6/0x1e0 [10007.912775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10007.912775][ T10] [10007.914765][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10007.914765][ T10] netdev_get_by_index+0x5e/0x80 [10007.914765][ T10] fib6_nh_init+0x3d8/0x1580 [10007.914765][ T10] ip6_route_info_create+0xf18/0x17d0 [10007.914765][ T10] ip6_route_add+0x1c/0x140 [10007.914765][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10007.914765][ T10] addrconf_add_dev+0xe2/0x170 [10007.914765][ T10] inet6_addr_add+0x12f/0xa40 [10007.914765][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10007.914765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10007.914765][ T10] netlink_rcv_skb+0x130/0x360 [10007.914765][ T10] netlink_unicast+0x449/0x710 [10007.914765][ T10] netlink_sendmsg+0x723/0xbe0 [10007.914765][ T10] ____sys_sendmsg+0x7b2/0xa10 [10007.914765][ T10] ___sys_sendmsg+0xee/0x170 [10007.914765][ T10] __sys_sendmsg+0xcd/0x170 [10007.914765][ T10] do_syscall_64+0xc6/0x1e0 [10007.914765][ T10] [10007.916716][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10007.916716][ T10] ipv6_add_dev+0x3ba/0x11c0 [10007.916716][ T10] ipv6_find_idev+0x102/0x170 [10007.916716][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10007.916716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10007.916716][ T10] netlink_rcv_skb+0x130/0x360 [10007.916716][ T10] netlink_unicast+0x449/0x710 [10007.916716][ T10] netlink_sendmsg+0x723/0xbe0 [10007.916716][ T10] ____sys_sendmsg+0x7b2/0xa10 [10007.916716][ T10] ___sys_sendmsg+0xee/0x170 [10007.916716][ T10] __sys_sendmsg+0xcd/0x170 [10007.916716][ T10] do_syscall_64+0xc6/0x1e0 [10007.916716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10007.916716][ T10] [10007.918251][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10007.918251][ T10] neigh_parms_alloc+0x1e5/0x510 [10007.918251][ T10] ipv6_add_dev+0x2fe/0x11c0 [10007.918251][ T10] ipv6_find_idev+0x102/0x170 [10007.918251][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10007.918251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10007.918251][ T10] netlink_rcv_skb+0x130/0x360 [10007.918251][ T10] netlink_unicast+0x449/0x710 [10007.918251][ T10] netlink_sendmsg+0x723/0xbe0 [10007.918251][ T10] ____sys_sendmsg+0x7b2/0xa10 [10007.918251][ T10] ___sys_sendmsg+0xee/0x170 [10007.918251][ T10] __sys_sendmsg+0xcd/0x170 [10007.918251][ T10] do_syscall_64+0xc6/0x1e0 [10007.918251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10007.918251][ T10] [10007.919932][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10007.920176][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10007.920176][ T10] netdev_get_by_index+0x5e/0x80 [10007.920176][ T10] fib6_nh_init+0x3d8/0x1580 [10007.920176][ T10] ip6_route_info_create+0xf18/0x17d0 [10007.920176][ T10] addrconf_f6i_alloc+0x265/0x560 [10007.920176][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10007.920176][ T10] addrconf_join_anycast+0x1c0/0x220 [10007.920176][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10007.920176][ T10] addrconf_dad_completed+0x12b/0xe20 [10007.920176][ T10] addrconf_dad_begin+0x310/0x670 [10007.920176][ T10] addrconf_dad_work+0x10b/0xab0 [10007.920176][ T10] process_one_work+0x84d/0x18a0 [10007.920176][ T10] worker_thread+0x587/0xd30 [10007.920176][ T10] kthread+0x28a/0x350 [10007.920176][ T10] ret_from_fork+0x31/0x70 [10007.920176][ T10] ret_from_fork_asm+0x1a/0x30 [10007.920176][ T10] [10007.922076][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10007.922076][ T10] netdev_get_by_index+0x5e/0x80 [10007.922076][ T10] fib6_nh_init+0x3d8/0x1580 [10007.922076][ T10] ip6_route_info_create+0xf18/0x17d0 [10007.922076][ T10] ip6_route_add+0x1c/0x140 [10007.922076][ T10] addrconf_prefix_route+0x2a6/0x430 [10007.922076][ T10] inet6_addr_add+0x4f8/0xa40 [10007.922076][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10007.922076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10007.922076][ T10] netlink_rcv_skb+0x130/0x360 [10007.922076][ T10] netlink_unicast+0x449/0x710 [10007.922076][ T10] netlink_sendmsg+0x723/0xbe0 [10007.922076][ T10] ____sys_sendmsg+0x7b2/0xa10 [10007.922076][ T10] ___sys_sendmsg+0xee/0x170 [10007.922076][ T10] __sys_sendmsg+0xcd/0x170 [10007.922076][ T10] do_syscall_64+0xc6/0x1e0 [10007.922076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10007.922076][ T10] [10007.924240][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10007.924240][ T10] netdev_get_by_index+0x5e/0x80 [10007.924240][ T10] fib6_nh_init+0x3d8/0x1580 [10007.924240][ T10] ip6_route_info_create+0xf18/0x17d0 [10007.924240][ T10] addrconf_f6i_alloc+0x315/0x560 [10007.924240][ T10] ipv6_add_addr+0x411/0x2000 [10007.924240][ T10] inet6_addr_add+0x30e/0xa40 [10007.924240][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10007.924240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10007.924240][ T10] netlink_rcv_skb+0x130/0x360 [10007.924240][ T10] netlink_unicast+0x449/0x710 [10007.924240][ T10] netlink_sendmsg+0x723/0xbe0 [10007.924240][ T10] ____sys_sendmsg+0x7b2/0xa10 [10007.924240][ T10] ___sys_sendmsg+0xee/0x170 [10007.924240][ T10] __sys_sendmsg+0xcd/0x170 [10007.924240][ T10] do_syscall_64+0xc6/0x1e0 [10007.924240][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10007.924240][ T10] [10007.926466][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10007.926466][ T10] netdev_get_by_index+0x5e/0x80 [10007.926466][ T10] fib6_nh_init+0x3d8/0x1580 [10007.926466][ T10] ip6_route_info_create+0xf18/0x17d0 [10007.926466][ T10] ip6_route_add+0x1c/0x140 [10007.926466][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10007.926466][ T10] addrconf_add_dev+0xe2/0x170 [10007.926466][ T10] inet6_addr_add+0x12f/0xa40 [10007.926466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10007.926466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10007.926466][ T10] netlink_rcv_skb+0x130/0x360 [10007.926466][ T10] netlink_unicast+0x449/0x710 [10007.926466][ T10] netlink_sendmsg+0x723/0xbe0 [10007.926466][ T10] ____sys_sendmsg+0x7b2/0xa10 [10007.926466][ T10] ___sys_sendmsg+0xee/0x170 [10007.926466][ T10] __sys_sendmsg+0xcd/0x170 [10007.926466][ T10] do_syscall_64+0xc6/0x1e0 [10007.926466][ T10] [10007.928606][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10007.928606][ T10] ipv6_add_dev+0x3ba/0x11c0 [10007.928606][ T10] ipv6_find_idev+0x102/0x170 [10007.928606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10007.928606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10007.928606][ T10] netlink_rcv_skb+0x130/0x360 [10007.928606][ T10] netlink_unicast+0x449/0x710 [10007.928606][ T10] netlink_sendmsg+0x723/0xbe0 [10007.928606][ T10] ____sys_sendmsg+0x7b2/0xa10 [10007.928606][ T10] ___sys_sendmsg+0xee/0x170 [10007.928606][ T10] __sys_sendmsg+0xcd/0x170 [10007.928606][ T10] do_syscall_64+0xc6/0x1e0 [10007.928606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10007.928606][ T10] [10007.930315][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10007.930315][ T10] neigh_parms_alloc+0x1e5/0x510 [10007.930315][ T10] ipv6_add_dev+0x2fe/0x11c0 [10007.930315][ T10] ipv6_find_idev+0x102/0x170 [10007.930315][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10007.930315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10007.930315][ T10] netlink_rcv_skb+0x130/0x360 [10007.930315][ T10] netlink_unicast+0x449/0x710 [10007.930315][ T10] netlink_sendmsg+0x723/0xbe0 [10007.930315][ T10] ____sys_sendmsg+0x7b2/0xa10 [10007.930315][ T10] ___sys_sendmsg+0xee/0x170 [10007.930315][ T10] __sys_sendmsg+0xcd/0x170 [10007.930315][ T10] do_syscall_64+0xc6/0x1e0 [10007.930315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10007.930315][ T10] [10007.932227][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10007.932463][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10007.932463][ T10] netdev_get_by_index+0x5e/0x80 [10007.932463][ T10] fib6_nh_init+0x3d8/0x1580 [10007.932463][ T10] ip6_route_info_create+0xf18/0x17d0 [10007.932463][ T10] addrconf_f6i_alloc+0x265/0x560 [10007.932463][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10007.932463][ T10] addrconf_join_anycast+0x1c0/0x220 [10007.932463][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10007.932463][ T10] addrconf_dad_completed+0x12b/0xe20 [10007.932463][ T10] addrconf_dad_begin+0x310/0x670 [10007.932463][ T10] addrconf_dad_work+0x10b/0xab0 [10007.932463][ T10] process_one_work+0x84d/0x18a0 [10007.932463][ T10] worker_thread+0x587/0xd30 [10007.932463][ T10] kthread+0x28a/0x350 [10007.932463][ T10] ret_from_fork+0x31/0x70 [10007.932463][ T10] ret_from_fork_asm+0x1a/0x30 [10007.932463][ T10] [10007.934594][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10007.934594][ T10] netdev_get_by_index+0x5e/0x80 [10007.934594][ T10] fib6_nh_init+0x3d8/0x1580 [10007.934594][ T10] ip6_route_info_create+0xf18/0x17d0 [10007.934594][ T10] ip6_route_add+0x1c/0x140 [10007.934594][ T10] addrconf_prefix_route+0x2a6/0x430 [10007.934594][ T10] inet6_addr_add+0x4f8/0xa40 [10007.934594][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10007.934594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10007.934594][ T10] netlink_rcv_skb+0x130/0x360 [10007.934594][ T10] netlink_unicast+0x449/0x710 [10007.934594][ T10] netlink_sendmsg+0x723/0xbe0 [10007.934594][ T10] ____sys_sendmsg+0x7b2/0xa10 [10007.934594][ T10] ___sys_sendmsg+0xee/0x170 [10007.934594][ T10] __sys_sendmsg+0xcd/0x170 [10007.934594][ T10] do_syscall_64+0xc6/0x1e0 [10007.934594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10007.934594][ T10] [10007.936756][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10007.936756][ T10] netdev_get_by_index+0x5e/0x80 [10007.936756][ T10] fib6_nh_init+0x3d8/0x1580 [10007.936756][ T10] ip6_route_info_create+0xf18/0x17d0 [10007.936756][ T10] addrconf_f6i_alloc+0x315/0x560 [10007.936756][ T10] ipv6_add_addr+0x411/0x2000 [10007.936756][ T10] inet6_addr_add+0x30e/0xa40 [10007.936756][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10007.936756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10007.936756][ T10] netlink_rcv_skb+0x130/0x360 [10007.936756][ T10] netlink_unicast+0x449/0x710 [10007.936756][ T10] netlink_sendmsg+0x723/0xbe0 [10007.936756][ T10] ____sys_sendmsg+0x7b2/0xa10 [10007.936756][ T10] ___sys_sendmsg+0xee/0x170 [10007.936756][ T10] __sys_sendmsg+0xcd/0x170 [10007.936756][ T10] do_syscall_64+0xc6/0x1e0 [10007.936756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10007.936756][ T10] [10007.938974][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10007.938974][ T10] netdev_get_by_index+0x5e/0x80 [10007.938974][ T10] fib6_nh_init+0x3d8/0x1580 [10007.938974][ T10] ip6_route_info_create+0xf18/0x17d0 [10007.938974][ T10] ip6_route_add+0x1c/0x140 [10007.938974][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10007.938974][ T10] addrconf_add_dev+0xe2/0x170 [10007.938974][ T10] inet6_addr_add+0x12f/0xa40 [10007.938974][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10007.938974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10007.938974][ T10] netlink_rcv_skb+0x130/0x360 [10007.938974][ T10] netlink_unicast+0x449/0x710 [10007.938974][ T10] netlink_sendmsg+0x723/0xbe0 [10007.938974][ T10] ____sys_sendmsg+0x7b2/0xa10 [10007.938974][ T10] ___sys_sendmsg+0xee/0x170 [10007.938974][ T10] __sys_sendmsg+0xcd/0x170 [10007.938974][ T10] do_syscall_64+0xc6/0x1e0 [10007.938974][ T10] [10007.941224][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10007.941224][ T10] ipv6_add_dev+0x3ba/0x11c0 [10007.941224][ T10] ipv6_find_idev+0x102/0x170 [10007.941224][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10007.941224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10007.941224][ T10] netlink_rcv_skb+0x130/0x360 [10007.941224][ T10] netlink_unicast+0x449/0x710 [10007.941224][ T10] netlink_sendmsg+0x723/0xbe0 [10007.941224][ T10] ____sys_sendmsg+0x7b2/0xa10 [10007.941224][ T10] ___sys_sendmsg+0xee/0x170 [10007.941224][ T10] __sys_sendmsg+0xcd/0x170 [10007.941224][ T10] do_syscall_64+0xc6/0x1e0 [10007.941224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10007.941224][ T10] [10007.942929][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10007.942929][ T10] neigh_parms_alloc+0x1e5/0x510 [10007.942929][ T10] ipv6_add_dev+0x2fe/0x11c0 [10007.942929][ T10] ipv6_find_idev+0x102/0x170 [10007.942929][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10007.942929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10007.942929][ T10] netlink_rcv_skb+0x130/0x360 [10007.942929][ T10] netlink_unicast+0x449/0x710 [10007.942929][ T10] netlink_sendmsg+0x723/0xbe0 [10007.942929][ T10] ____sys_sendmsg+0x7b2/0xa10 [10007.942929][ T10] ___sys_sendmsg+0xee/0x170 [10007.942929][ T10] __sys_sendmsg+0xcd/0x170 [10007.942929][ T10] do_syscall_64+0xc6/0x1e0 [10007.942929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10007.942929][ T10] [10009.345198][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10009.345647][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10009.345647][ T1167] dst_init+0x84/0x4a0 [10009.345647][ T1167] dst_alloc+0x97/0x150 [10009.345647][ T1167] ip6_dst_alloc+0x23/0x90 [10009.345647][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10009.345647][ T1167] ip6_pol_route+0x56f/0x840 [10009.345647][ T1167] fib6_rule_lookup+0x334/0x630 [10009.345647][ T1167] ip6_route_output_flags+0x259/0x480 [10009.345647][ T1167] inet6_rtm_getroute+0x980/0xf70 [10009.345647][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10009.345647][ T1167] netlink_rcv_skb+0x130/0x360 [10009.345647][ T1167] netlink_unicast+0x449/0x710 [10009.345647][ T1167] netlink_sendmsg+0x723/0xbe0 [10009.345647][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10009.345647][ T1167] ___sys_sendmsg+0xee/0x170 [10009.345647][ T1167] __sys_sendmsg+0xcd/0x170 [10009.345647][ T1167] do_syscall_64+0xc6/0x1e0 [10009.345647][ T1167] [10009.347831][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10009.347831][ T1167] netdev_get_by_index+0x5e/0x80 [10009.347831][ T1167] fib6_nh_init+0x3d8/0x1580 [10009.347831][ T1167] ip6_route_info_create+0xf18/0x17d0 [10009.347831][ T1167] addrconf_f6i_alloc+0x265/0x560 [10009.347831][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10009.347831][ T1167] addrconf_join_anycast+0x1c0/0x220 [10009.347831][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10009.347831][ T1167] addrconf_dad_completed+0x12b/0xe20 [10009.347831][ T1167] addrconf_dad_begin+0x310/0x670 [10009.347831][ T1167] addrconf_dad_work+0x10b/0xab0 [10009.347831][ T1167] process_one_work+0x84d/0x18a0 [10009.347831][ T1167] worker_thread+0x587/0xd30 [10009.347831][ T1167] kthread+0x28a/0x350 [10009.347831][ T1167] ret_from_fork+0x31/0x70 [10009.347831][ T1167] ret_from_fork_asm+0x1a/0x30 [10009.347831][ T1167] [10009.349960][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10009.349960][ T1167] netdev_get_by_index+0x5e/0x80 [10009.349960][ T1167] fib6_nh_init+0x3d8/0x1580 [10009.349960][ T1167] ip6_route_info_create+0xf18/0x17d0 [10009.349960][ T1167] ip6_route_add+0x1c/0x140 [10009.349960][ T1167] addrconf_prefix_route+0x2a6/0x430 [10009.349960][ T1167] inet6_addr_add+0x4f8/0xa40 [10009.349960][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10009.349960][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10009.349960][ T1167] netlink_rcv_skb+0x130/0x360 [10009.349960][ T1167] netlink_unicast+0x449/0x710 [10009.349960][ T1167] netlink_sendmsg+0x723/0xbe0 [10009.349960][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10009.349960][ T1167] ___sys_sendmsg+0xee/0x170 [10009.349960][ T1167] __sys_sendmsg+0xcd/0x170 [10009.349960][ T1167] do_syscall_64+0xc6/0x1e0 [10009.349960][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10009.349960][ T1167] [10009.352202][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10009.352202][ T1167] netdev_get_by_index+0x5e/0x80 [10009.352202][ T1167] fib6_nh_init+0x3d8/0x1580 [10009.352202][ T1167] ip6_route_info_create+0xf18/0x17d0 [10009.352202][ T1167] addrconf_f6i_alloc+0x315/0x560 [10009.352202][ T1167] ipv6_add_addr+0x411/0x2000 [10009.352202][ T1167] inet6_addr_add+0x30e/0xa40 [10009.352202][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10009.352202][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10009.352202][ T1167] netlink_rcv_skb+0x130/0x360 [10009.352202][ T1167] netlink_unicast+0x449/0x710 [10009.352202][ T1167] netlink_sendmsg+0x723/0xbe0 [10009.352202][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10009.352202][ T1167] ___sys_sendmsg+0xee/0x170 [10009.352202][ T1167] __sys_sendmsg+0xcd/0x170 [10009.352202][ T1167] do_syscall_64+0xc6/0x1e0 [10009.352202][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10009.352202][ T1167] [10009.354446][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10009.354446][ T1167] netdev_get_by_index+0x5e/0x80 [10009.354446][ T1167] fib6_nh_init+0x3d8/0x1580 [10009.354446][ T1167] ip6_route_info_create+0xf18/0x17d0 [10009.354446][ T1167] ip6_route_add+0x1c/0x140 [10009.354446][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10009.354446][ T1167] addrconf_add_dev+0xe2/0x170 [10009.354446][ T1167] inet6_addr_add+0x12f/0xa40 [10009.354446][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10009.354446][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10009.354446][ T1167] netlink_rcv_skb+0x130/0x360 [10009.354446][ T1167] netlink_unicast+0x449/0x710 [10009.354446][ T1167] netlink_sendmsg+0x723/0xbe0 [10009.354446][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10009.354446][ T1167] ___sys_sendmsg+0xee/0x170 [10009.354446][ T1167] __sys_sendmsg+0xcd/0x170 [10009.354446][ T1167] do_syscall_64+0xc6/0x1e0 [10009.354446][ T1167] [10009.356639][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10009.356639][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10009.356639][ T1167] ipv6_find_idev+0x102/0x170 [10009.356639][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10009.356639][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10009.356639][ T1167] netlink_rcv_skb+0x130/0x360 [10009.356639][ T1167] netlink_unicast+0x449/0x710 [10009.356639][ T1167] netlink_sendmsg+0x723/0xbe0 [10009.356639][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10009.356639][ T1167] ___sys_sendmsg+0xee/0x170 [10009.356639][ T1167] __sys_sendmsg+0xcd/0x170 [10009.356639][ T1167] do_syscall_64+0xc6/0x1e0 [10009.356639][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10009.356639][ T1167] [10009.358356][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10009.358356][ T1167] neigh_parms_alloc+0x1e5/0x510 [10009.358356][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10009.358356][ T1167] ipv6_find_idev+0x102/0x170 [10009.358356][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10009.358356][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10009.358356][ T1167] netlink_rcv_skb+0x130/0x360 [10009.358356][ T1167] netlink_unicast+0x449/0x710 [10009.358356][ T1167] netlink_sendmsg+0x723/0xbe0 [10009.358356][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10009.358356][ T1167] ___sys_sendmsg+0xee/0x170 [10009.358356][ T1167] __sys_sendmsg+0xcd/0x170 [10009.358356][ T1167] do_syscall_64+0xc6/0x1e0 [10009.358356][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10009.358356][ T1167] [10018.049113][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10018.049527][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10018.049527][ T10] netdev_get_by_index+0x5e/0x80 [10018.049527][ T10] fib6_nh_init+0x3d8/0x1580 [10018.049527][ T10] ip6_route_info_create+0xf18/0x17d0 [10018.049527][ T10] addrconf_f6i_alloc+0x265/0x560 [10018.049527][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10018.049527][ T10] addrconf_join_anycast+0x1c0/0x220 [10018.049527][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10018.049527][ T10] addrconf_dad_completed+0x12b/0xe20 [10018.049527][ T10] addrconf_dad_begin+0x310/0x670 [10018.049527][ T10] addrconf_dad_work+0x10b/0xab0 [10018.049527][ T10] process_one_work+0x84d/0x18a0 [10018.049527][ T10] worker_thread+0x587/0xd30 [10018.049527][ T10] kthread+0x28a/0x350 [10018.049527][ T10] ret_from_fork+0x31/0x70 [10018.049527][ T10] ret_from_fork_asm+0x1a/0x30 [10018.049527][ T10] [10018.051459][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10018.051459][ T10] netdev_get_by_index+0x5e/0x80 [10018.051459][ T10] fib6_nh_init+0x3d8/0x1580 [10018.051459][ T10] ip6_route_info_create+0xf18/0x17d0 [10018.051459][ T10] ip6_route_add+0x1c/0x140 [10018.051459][ T10] addrconf_prefix_route+0x2a6/0x430 [10018.051459][ T10] inet6_addr_add+0x4f8/0xa40 [10018.051459][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10018.051459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10018.051459][ T10] netlink_rcv_skb+0x130/0x360 [10018.051459][ T10] netlink_unicast+0x449/0x710 [10018.051459][ T10] netlink_sendmsg+0x723/0xbe0 [10018.051459][ T10] ____sys_sendmsg+0x7b2/0xa10 [10018.051459][ T10] ___sys_sendmsg+0xee/0x170 [10018.051459][ T10] __sys_sendmsg+0xcd/0x170 [10018.051459][ T10] do_syscall_64+0xc6/0x1e0 [10018.051459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10018.051459][ T10] [10018.053453][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10018.053453][ T10] netdev_get_by_index+0x5e/0x80 [10018.053453][ T10] fib6_nh_init+0x3d8/0x1580 [10018.053453][ T10] ip6_route_info_create+0xf18/0x17d0 [10018.053453][ T10] addrconf_f6i_alloc+0x315/0x560 [10018.053453][ T10] ipv6_add_addr+0x411/0x2000 [10018.053453][ T10] inet6_addr_add+0x30e/0xa40 [10018.053453][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10018.053453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10018.053453][ T10] netlink_rcv_skb+0x130/0x360 [10018.053453][ T10] netlink_unicast+0x449/0x710 [10018.053453][ T10] netlink_sendmsg+0x723/0xbe0 [10018.053453][ T10] ____sys_sendmsg+0x7b2/0xa10 [10018.053453][ T10] ___sys_sendmsg+0xee/0x170 [10018.053453][ T10] __sys_sendmsg+0xcd/0x170 [10018.053453][ T10] do_syscall_64+0xc6/0x1e0 [10018.053453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10018.053453][ T10] [10018.055434][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10018.055434][ T10] netdev_get_by_index+0x5e/0x80 [10018.055434][ T10] fib6_nh_init+0x3d8/0x1580 [10018.055434][ T10] ip6_route_info_create+0xf18/0x17d0 [10018.055434][ T10] ip6_route_add+0x1c/0x140 [10018.055434][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10018.055434][ T10] addrconf_add_dev+0xe2/0x170 [10018.055434][ T10] inet6_addr_add+0x12f/0xa40 [10018.055434][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10018.055434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10018.055434][ T10] netlink_rcv_skb+0x130/0x360 [10018.055434][ T10] netlink_unicast+0x449/0x710 [10018.055434][ T10] netlink_sendmsg+0x723/0xbe0 [10018.055434][ T10] ____sys_sendmsg+0x7b2/0xa10 [10018.055434][ T10] ___sys_sendmsg+0xee/0x170 [10018.055434][ T10] __sys_sendmsg+0xcd/0x170 [10018.055434][ T10] do_syscall_64+0xc6/0x1e0 [10018.055434][ T10] [10018.057403][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10018.057403][ T10] ipv6_add_dev+0x3ba/0x11c0 [10018.057403][ T10] ipv6_find_idev+0x102/0x170 [10018.057403][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10018.057403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10018.057403][ T10] netlink_rcv_skb+0x130/0x360 [10018.057403][ T10] netlink_unicast+0x449/0x710 [10018.057403][ T10] netlink_sendmsg+0x723/0xbe0 [10018.057403][ T10] ____sys_sendmsg+0x7b2/0xa10 [10018.057403][ T10] ___sys_sendmsg+0xee/0x170 [10018.057403][ T10] __sys_sendmsg+0xcd/0x170 [10018.057403][ T10] do_syscall_64+0xc6/0x1e0 [10018.057403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10018.057403][ T10] [10018.058936][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10018.058936][ T10] neigh_parms_alloc+0x1e5/0x510 [10018.058936][ T10] ipv6_add_dev+0x2fe/0x11c0 [10018.058936][ T10] ipv6_find_idev+0x102/0x170 [10018.058936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10018.058936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10018.058936][ T10] netlink_rcv_skb+0x130/0x360 [10018.058936][ T10] netlink_unicast+0x449/0x710 [10018.058936][ T10] netlink_sendmsg+0x723/0xbe0 [10018.058936][ T10] ____sys_sendmsg+0x7b2/0xa10 [10018.058936][ T10] ___sys_sendmsg+0xee/0x170 [10018.058936][ T10] __sys_sendmsg+0xcd/0x170 [10018.058936][ T10] do_syscall_64+0xc6/0x1e0 [10018.058936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10018.058936][ T10] [10018.060613][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10018.060854][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10018.060854][ T10] netdev_get_by_index+0x5e/0x80 [10018.060854][ T10] fib6_nh_init+0x3d8/0x1580 [10018.060854][ T10] ip6_route_info_create+0xf18/0x17d0 [10018.060854][ T10] addrconf_f6i_alloc+0x265/0x560 [10018.060854][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10018.060854][ T10] addrconf_join_anycast+0x1c0/0x220 [10018.060854][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10018.060854][ T10] addrconf_dad_completed+0x12b/0xe20 [10018.060854][ T10] addrconf_dad_begin+0x310/0x670 [10018.060854][ T10] addrconf_dad_work+0x10b/0xab0 [10018.060854][ T10] process_one_work+0x84d/0x18a0 [10018.060854][ T10] worker_thread+0x587/0xd30 [10018.060854][ T10] kthread+0x28a/0x350 [10018.060854][ T10] ret_from_fork+0x31/0x70 [10018.060854][ T10] ret_from_fork_asm+0x1a/0x30 [10018.060854][ T10] [10018.062760][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10018.062760][ T10] netdev_get_by_index+0x5e/0x80 [10018.062760][ T10] fib6_nh_init+0x3d8/0x1580 [10018.062760][ T10] ip6_route_info_create+0xf18/0x17d0 [10018.062760][ T10] ip6_route_add+0x1c/0x140 [10018.062760][ T10] addrconf_prefix_route+0x2a6/0x430 [10018.062760][ T10] inet6_addr_add+0x4f8/0xa40 [10018.062760][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10018.062760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10018.062760][ T10] netlink_rcv_skb+0x130/0x360 [10018.062760][ T10] netlink_unicast+0x449/0x710 [10018.062760][ T10] netlink_sendmsg+0x723/0xbe0 [10018.062760][ T10] ____sys_sendmsg+0x7b2/0xa10 [10018.062760][ T10] ___sys_sendmsg+0xee/0x170 [10018.062760][ T10] __sys_sendmsg+0xcd/0x170 [10018.062760][ T10] do_syscall_64+0xc6/0x1e0 [10018.062760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10018.062760][ T10] [10018.064759][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10018.064759][ T10] netdev_get_by_index+0x5e/0x80 [10018.064759][ T10] fib6_nh_init+0x3d8/0x1580 [10018.064759][ T10] ip6_route_info_create+0xf18/0x17d0 [10018.064759][ T10] addrconf_f6i_alloc+0x315/0x560 [10018.064759][ T10] ipv6_add_addr+0x411/0x2000 [10018.064759][ T10] inet6_addr_add+0x30e/0xa40 [10018.064759][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10018.064759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10018.064759][ T10] netlink_rcv_skb+0x130/0x360 [10018.064759][ T10] netlink_unicast+0x449/0x710 [10018.064759][ T10] netlink_sendmsg+0x723/0xbe0 [10018.064759][ T10] ____sys_sendmsg+0x7b2/0xa10 [10018.064759][ T10] ___sys_sendmsg+0xee/0x170 [10018.064759][ T10] __sys_sendmsg+0xcd/0x170 [10018.064759][ T10] do_syscall_64+0xc6/0x1e0 [10018.064759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10018.064759][ T10] [10018.066749][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10018.066749][ T10] netdev_get_by_index+0x5e/0x80 [10018.066749][ T10] fib6_nh_init+0x3d8/0x1580 [10018.066749][ T10] ip6_route_info_create+0xf18/0x17d0 [10018.066749][ T10] ip6_route_add+0x1c/0x140 [10018.066749][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10018.066749][ T10] addrconf_add_dev+0xe2/0x170 [10018.066749][ T10] inet6_addr_add+0x12f/0xa40 [10018.066749][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10018.066749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10018.066749][ T10] netlink_rcv_skb+0x130/0x360 [10018.066749][ T10] netlink_unicast+0x449/0x710 [10018.066749][ T10] netlink_sendmsg+0x723/0xbe0 [10018.066749][ T10] ____sys_sendmsg+0x7b2/0xa10 [10018.066749][ T10] ___sys_sendmsg+0xee/0x170 [10018.066749][ T10] __sys_sendmsg+0xcd/0x170 [10018.066749][ T10] do_syscall_64+0xc6/0x1e0 [10018.066749][ T10] [10018.068701][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10018.068701][ T10] ipv6_add_dev+0x3ba/0x11c0 [10018.068701][ T10] ipv6_find_idev+0x102/0x170 [10018.068701][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10018.068701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10018.068701][ T10] netlink_rcv_skb+0x130/0x360 [10018.068701][ T10] netlink_unicast+0x449/0x710 [10018.068701][ T10] netlink_sendmsg+0x723/0xbe0 [10018.068701][ T10] ____sys_sendmsg+0x7b2/0xa10 [10018.068701][ T10] ___sys_sendmsg+0xee/0x170 [10018.068701][ T10] __sys_sendmsg+0xcd/0x170 [10018.068701][ T10] do_syscall_64+0xc6/0x1e0 [10018.068701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10018.068701][ T10] [10018.070230][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10018.070230][ T10] neigh_parms_alloc+0x1e5/0x510 [10018.070230][ T10] ipv6_add_dev+0x2fe/0x11c0 [10018.070230][ T10] ipv6_find_idev+0x102/0x170 [10018.070230][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10018.070230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10018.070230][ T10] netlink_rcv_skb+0x130/0x360 [10018.070230][ T10] netlink_unicast+0x449/0x710 [10018.070230][ T10] netlink_sendmsg+0x723/0xbe0 [10018.070230][ T10] ____sys_sendmsg+0x7b2/0xa10 [10018.070230][ T10] ___sys_sendmsg+0xee/0x170 [10018.070230][ T10] __sys_sendmsg+0xcd/0x170 [10018.070230][ T10] do_syscall_64+0xc6/0x1e0 [10018.070230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10018.070230][ T10] [10018.071907][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10018.072152][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10018.072152][ T10] netdev_get_by_index+0x5e/0x80 [10018.072152][ T10] fib6_nh_init+0x3d8/0x1580 [10018.072152][ T10] ip6_route_info_create+0xf18/0x17d0 [10018.072152][ T10] addrconf_f6i_alloc+0x265/0x560 [10018.072152][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10018.072152][ T10] addrconf_join_anycast+0x1c0/0x220 [10018.072152][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10018.072152][ T10] addrconf_dad_completed+0x12b/0xe20 [10018.072152][ T10] addrconf_dad_begin+0x310/0x670 [10018.072152][ T10] addrconf_dad_work+0x10b/0xab0 [10018.072152][ T10] process_one_work+0x84d/0x18a0 [10018.072152][ T10] worker_thread+0x587/0xd30 [10018.072152][ T10] kthread+0x28a/0x350 [10018.072152][ T10] ret_from_fork+0x31/0x70 [10018.072152][ T10] ret_from_fork_asm+0x1a/0x30 [10018.072152][ T10] [10018.074045][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10018.074045][ T10] netdev_get_by_index+0x5e/0x80 [10018.074045][ T10] fib6_nh_init+0x3d8/0x1580 [10018.074045][ T10] ip6_route_info_create+0xf18/0x17d0 [10018.074045][ T10] ip6_route_add+0x1c/0x140 [10018.074045][ T10] addrconf_prefix_route+0x2a6/0x430 [10018.074045][ T10] inet6_addr_add+0x4f8/0xa40 [10018.074045][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10018.074045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10018.074045][ T10] netlink_rcv_skb+0x130/0x360 [10018.074045][ T10] netlink_unicast+0x449/0x710 [10018.074045][ T10] netlink_sendmsg+0x723/0xbe0 [10018.074045][ T10] ____sys_sendmsg+0x7b2/0xa10 [10018.074045][ T10] ___sys_sendmsg+0xee/0x170 [10018.074045][ T10] __sys_sendmsg+0xcd/0x170 [10018.074045][ T10] do_syscall_64+0xc6/0x1e0 [10018.074045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10018.074045][ T10] [10018.076158][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10018.076158][ T10] netdev_get_by_index+0x5e/0x80 [10018.076158][ T10] fib6_nh_init+0x3d8/0x1580 [10018.076158][ T10] ip6_route_info_create+0xf18/0x17d0 [10018.076158][ T10] addrconf_f6i_alloc+0x315/0x560 [10018.076158][ T10] ipv6_add_addr+0x411/0x2000 [10018.076158][ T10] inet6_addr_add+0x30e/0xa40 [10018.076158][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10018.076158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10018.076158][ T10] netlink_rcv_skb+0x130/0x360 [10018.076158][ T10] netlink_unicast+0x449/0x710 [10018.076158][ T10] netlink_sendmsg+0x723/0xbe0 [10018.076158][ T10] ____sys_sendmsg+0x7b2/0xa10 [10018.076158][ T10] ___sys_sendmsg+0xee/0x170 [10018.076158][ T10] __sys_sendmsg+0xcd/0x170 [10018.076158][ T10] do_syscall_64+0xc6/0x1e0 [10018.076158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10018.076158][ T10] [10018.078278][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10018.078278][ T10] netdev_get_by_index+0x5e/0x80 [10018.078278][ T10] fib6_nh_init+0x3d8/0x1580 [10018.078278][ T10] ip6_route_info_create+0xf18/0x17d0 [10018.078278][ T10] ip6_route_add+0x1c/0x140 [10018.078278][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10018.078278][ T10] addrconf_add_dev+0xe2/0x170 [10018.078278][ T10] inet6_addr_add+0x12f/0xa40 [10018.078278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10018.078278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10018.078278][ T10] netlink_rcv_skb+0x130/0x360 [10018.078278][ T10] netlink_unicast+0x449/0x710 [10018.078278][ T10] netlink_sendmsg+0x723/0xbe0 [10018.078278][ T10] ____sys_sendmsg+0x7b2/0xa10 [10018.078278][ T10] ___sys_sendmsg+0xee/0x170 [10018.078278][ T10] __sys_sendmsg+0xcd/0x170 [10018.078278][ T10] do_syscall_64+0xc6/0x1e0 [10018.078278][ T10] [10018.080349][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10018.080349][ T10] ipv6_add_dev+0x3ba/0x11c0 [10018.080349][ T10] ipv6_find_idev+0x102/0x170 [10018.080349][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10018.080349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10018.080349][ T10] netlink_rcv_skb+0x130/0x360 [10018.080349][ T10] netlink_unicast+0x449/0x710 [10018.080349][ T10] netlink_sendmsg+0x723/0xbe0 [10018.080349][ T10] ____sys_sendmsg+0x7b2/0xa10 [10018.080349][ T10] ___sys_sendmsg+0xee/0x170 [10018.080349][ T10] __sys_sendmsg+0xcd/0x170 [10018.080349][ T10] do_syscall_64+0xc6/0x1e0 [10018.080349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10018.080349][ T10] [10018.081953][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10018.081953][ T10] neigh_parms_alloc+0x1e5/0x510 [10018.081953][ T10] ipv6_add_dev+0x2fe/0x11c0 [10018.081953][ T10] ipv6_find_idev+0x102/0x170 [10018.081953][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10018.081953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10018.081953][ T10] netlink_rcv_skb+0x130/0x360 [10018.081953][ T10] netlink_unicast+0x449/0x710 [10018.081953][ T10] netlink_sendmsg+0x723/0xbe0 [10018.081953][ T10] ____sys_sendmsg+0x7b2/0xa10 [10018.081953][ T10] ___sys_sendmsg+0xee/0x170 [10018.081953][ T10] __sys_sendmsg+0xcd/0x170 [10018.081953][ T10] do_syscall_64+0xc6/0x1e0 [10018.081953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10018.081953][ T10] [10018.083747][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10018.083981][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10018.083981][ T10] netdev_get_by_index+0x5e/0x80 [10018.083981][ T10] fib6_nh_init+0x3d8/0x1580 [10018.083981][ T10] ip6_route_info_create+0xf18/0x17d0 [10018.083981][ T10] addrconf_f6i_alloc+0x265/0x560 [10018.083981][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10018.083981][ T10] addrconf_join_anycast+0x1c0/0x220 [10018.083981][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10018.083981][ T10] addrconf_dad_completed+0x12b/0xe20 [10018.083981][ T10] addrconf_dad_begin+0x310/0x670 [10018.083981][ T10] addrconf_dad_work+0x10b/0xab0 [10018.083981][ T10] process_one_work+0x84d/0x18a0 [10018.083981][ T10] worker_thread+0x587/0xd30 [10018.083981][ T10] kthread+0x28a/0x350 [10018.083981][ T10] ret_from_fork+0x31/0x70 [10018.083981][ T10] ret_from_fork_asm+0x1a/0x30 [10018.083981][ T10] [10018.086010][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10018.086010][ T10] netdev_get_by_index+0x5e/0x80 [10018.086010][ T10] fib6_nh_init+0x3d8/0x1580 [10018.086010][ T10] ip6_route_info_create+0xf18/0x17d0 [10018.086010][ T10] ip6_route_add+0x1c/0x140 [10018.086010][ T10] addrconf_prefix_route+0x2a6/0x430 [10018.086010][ T10] inet6_addr_add+0x4f8/0xa40 [10018.086010][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10018.086010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10018.086010][ T10] netlink_rcv_skb+0x130/0x360 [10018.086010][ T10] netlink_unicast+0x449/0x710 [10018.086010][ T10] netlink_sendmsg+0x723/0xbe0 [10018.086010][ T10] ____sys_sendmsg+0x7b2/0xa10 [10018.086010][ T10] ___sys_sendmsg+0xee/0x170 [10018.086010][ T10] __sys_sendmsg+0xcd/0x170 [10018.086010][ T10] do_syscall_64+0xc6/0x1e0 [10018.086010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10018.086010][ T10] [10018.088117][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10018.088117][ T10] netdev_get_by_index+0x5e/0x80 [10018.088117][ T10] fib6_nh_init+0x3d8/0x1580 [10018.088117][ T10] ip6_route_info_create+0xf18/0x17d0 [10018.088117][ T10] addrconf_f6i_alloc+0x315/0x560 [10018.088117][ T10] ipv6_add_addr+0x411/0x2000 [10018.088117][ T10] inet6_addr_add+0x30e/0xa40 [10018.088117][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10018.088117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10018.088117][ T10] netlink_rcv_skb+0x130/0x360 [10018.088117][ T10] netlink_unicast+0x449/0x710 [10018.088117][ T10] netlink_sendmsg+0x723/0xbe0 [10018.088117][ T10] ____sys_sendmsg+0x7b2/0xa10 [10018.088117][ T10] ___sys_sendmsg+0xee/0x170 [10018.088117][ T10] __sys_sendmsg+0xcd/0x170 [10018.088117][ T10] do_syscall_64+0xc6/0x1e0 [10018.088117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10018.088117][ T10] [10018.090222][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10018.090222][ T10] netdev_get_by_index+0x5e/0x80 [10018.090222][ T10] fib6_nh_init+0x3d8/0x1580 [10018.090222][ T10] ip6_route_info_create+0xf18/0x17d0 [10018.090222][ T10] ip6_route_add+0x1c/0x140 [10018.090222][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10018.090222][ T10] addrconf_add_dev+0xe2/0x170 [10018.090222][ T10] inet6_addr_add+0x12f/0xa40 [10018.090222][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10018.090222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10018.090222][ T10] netlink_rcv_skb+0x130/0x360 [10018.090222][ T10] netlink_unicast+0x449/0x710 [10018.090222][ T10] netlink_sendmsg+0x723/0xbe0 [10018.090222][ T10] ____sys_sendmsg+0x7b2/0xa10 [10018.090222][ T10] ___sys_sendmsg+0xee/0x170 [10018.090222][ T10] __sys_sendmsg+0xcd/0x170 [10018.090222][ T10] do_syscall_64+0xc6/0x1e0 [10018.090222][ T10] [10018.092315][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10018.092315][ T10] ipv6_add_dev+0x3ba/0x11c0 [10018.092315][ T10] ipv6_find_idev+0x102/0x170 [10018.092315][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10018.092315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10018.092315][ T10] netlink_rcv_skb+0x130/0x360 [10018.092315][ T10] netlink_unicast+0x449/0x710 [10018.092315][ T10] netlink_sendmsg+0x723/0xbe0 [10018.092315][ T10] ____sys_sendmsg+0x7b2/0xa10 [10018.092315][ T10] ___sys_sendmsg+0xee/0x170 [10018.092315][ T10] __sys_sendmsg+0xcd/0x170 [10018.092315][ T10] do_syscall_64+0xc6/0x1e0 [10018.092315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10018.092315][ T10] [10018.093911][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10018.093911][ T10] neigh_parms_alloc+0x1e5/0x510 [10018.093911][ T10] ipv6_add_dev+0x2fe/0x11c0 [10018.093911][ T10] ipv6_find_idev+0x102/0x170 [10018.093911][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10018.093911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10018.093911][ T10] netlink_rcv_skb+0x130/0x360 [10018.093911][ T10] netlink_unicast+0x449/0x710 [10018.093911][ T10] netlink_sendmsg+0x723/0xbe0 [10018.093911][ T10] ____sys_sendmsg+0x7b2/0xa10 [10018.093911][ T10] ___sys_sendmsg+0xee/0x170 [10018.093911][ T10] __sys_sendmsg+0xcd/0x170 [10018.093911][ T10] do_syscall_64+0xc6/0x1e0 [10018.093911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10018.093911][ T10] [10019.609108][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10019.609561][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10019.609561][ T1167] dst_init+0x84/0x4a0 [10019.609561][ T1167] dst_alloc+0x97/0x150 [10019.609561][ T1167] ip6_dst_alloc+0x23/0x90 [10019.609561][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10019.609561][ T1167] ip6_pol_route+0x56f/0x840 [10019.609561][ T1167] fib6_rule_lookup+0x334/0x630 [10019.609561][ T1167] ip6_route_output_flags+0x259/0x480 [10019.609561][ T1167] inet6_rtm_getroute+0x980/0xf70 [10019.609561][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10019.609561][ T1167] netlink_rcv_skb+0x130/0x360 [10019.609561][ T1167] netlink_unicast+0x449/0x710 [10019.609561][ T1167] netlink_sendmsg+0x723/0xbe0 [10019.609561][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10019.609561][ T1167] ___sys_sendmsg+0xee/0x170 [10019.609561][ T1167] __sys_sendmsg+0xcd/0x170 [10019.609561][ T1167] do_syscall_64+0xc6/0x1e0 [10019.609561][ T1167] [10019.611769][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10019.611769][ T1167] netdev_get_by_index+0x5e/0x80 [10019.611769][ T1167] fib6_nh_init+0x3d8/0x1580 [10019.611769][ T1167] ip6_route_info_create+0xf18/0x17d0 [10019.611769][ T1167] addrconf_f6i_alloc+0x265/0x560 [10019.611769][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10019.611769][ T1167] addrconf_join_anycast+0x1c0/0x220 [10019.611769][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10019.611769][ T1167] addrconf_dad_completed+0x12b/0xe20 [10019.611769][ T1167] addrconf_dad_begin+0x310/0x670 [10019.611769][ T1167] addrconf_dad_work+0x10b/0xab0 [10019.611769][ T1167] process_one_work+0x84d/0x18a0 [10019.611769][ T1167] worker_thread+0x587/0xd30 [10019.611769][ T1167] kthread+0x28a/0x350 [10019.611769][ T1167] ret_from_fork+0x31/0x70 [10019.611769][ T1167] ret_from_fork_asm+0x1a/0x30 [10019.611769][ T1167] [10019.613926][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10019.613926][ T1167] netdev_get_by_index+0x5e/0x80 [10019.613926][ T1167] fib6_nh_init+0x3d8/0x1580 [10019.613926][ T1167] ip6_route_info_create+0xf18/0x17d0 [10019.613926][ T1167] ip6_route_add+0x1c/0x140 [10019.613926][ T1167] addrconf_prefix_route+0x2a6/0x430 [10019.613926][ T1167] inet6_addr_add+0x4f8/0xa40 [10019.613926][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10019.613926][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10019.613926][ T1167] netlink_rcv_skb+0x130/0x360 [10019.613926][ T1167] netlink_unicast+0x449/0x710 [10019.613926][ T1167] netlink_sendmsg+0x723/0xbe0 [10019.613926][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10019.613926][ T1167] ___sys_sendmsg+0xee/0x170 [10019.613926][ T1167] __sys_sendmsg+0xcd/0x170 [10019.613926][ T1167] do_syscall_64+0xc6/0x1e0 [10019.613926][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10019.613926][ T1167] [10019.616160][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10019.616160][ T1167] netdev_get_by_index+0x5e/0x80 [10019.616160][ T1167] fib6_nh_init+0x3d8/0x1580 [10019.616160][ T1167] ip6_route_info_create+0xf18/0x17d0 [10019.616160][ T1167] addrconf_f6i_alloc+0x315/0x560 [10019.616160][ T1167] ipv6_add_addr+0x411/0x2000 [10019.616160][ T1167] inet6_addr_add+0x30e/0xa40 [10019.616160][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10019.616160][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10019.616160][ T1167] netlink_rcv_skb+0x130/0x360 [10019.616160][ T1167] netlink_unicast+0x449/0x710 [10019.616160][ T1167] netlink_sendmsg+0x723/0xbe0 [10019.616160][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10019.616160][ T1167] ___sys_sendmsg+0xee/0x170 [10019.616160][ T1167] __sys_sendmsg+0xcd/0x170 [10019.616160][ T1167] do_syscall_64+0xc6/0x1e0 [10019.616160][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10019.616160][ T1167] [10019.618389][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10019.618389][ T1167] netdev_get_by_index+0x5e/0x80 [10019.618389][ T1167] fib6_nh_init+0x3d8/0x1580 [10019.618389][ T1167] ip6_route_info_create+0xf18/0x17d0 [10019.618389][ T1167] ip6_route_add+0x1c/0x140 [10019.618389][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10019.618389][ T1167] addrconf_add_dev+0xe2/0x170 [10019.618389][ T1167] inet6_addr_add+0x12f/0xa40 [10019.618389][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10019.618389][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10019.618389][ T1167] netlink_rcv_skb+0x130/0x360 [10019.618389][ T1167] netlink_unicast+0x449/0x710 [10019.618389][ T1167] netlink_sendmsg+0x723/0xbe0 [10019.618389][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10019.618389][ T1167] ___sys_sendmsg+0xee/0x170 [10019.618389][ T1167] __sys_sendmsg+0xcd/0x170 [10019.618389][ T1167] do_syscall_64+0xc6/0x1e0 [10019.618389][ T1167] [10019.620584][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10019.620584][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10019.620584][ T1167] ipv6_find_idev+0x102/0x170 [10019.620584][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10019.620584][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10019.620584][ T1167] netlink_rcv_skb+0x130/0x360 [10019.620584][ T1167] netlink_unicast+0x449/0x710 [10019.620584][ T1167] netlink_sendmsg+0x723/0xbe0 [10019.620584][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10019.620584][ T1167] ___sys_sendmsg+0xee/0x170 [10019.620584][ T1167] __sys_sendmsg+0xcd/0x170 [10019.620584][ T1167] do_syscall_64+0xc6/0x1e0 [10019.620584][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10019.620584][ T1167] [10019.622312][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10019.622312][ T1167] neigh_parms_alloc+0x1e5/0x510 [10019.622312][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10019.622312][ T1167] ipv6_find_idev+0x102/0x170 [10019.622312][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10019.622312][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10019.622312][ T1167] netlink_rcv_skb+0x130/0x360 [10019.622312][ T1167] netlink_unicast+0x449/0x710 [10019.622312][ T1167] netlink_sendmsg+0x723/0xbe0 [10019.622312][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10019.622312][ T1167] ___sys_sendmsg+0xee/0x170 [10019.622312][ T1167] __sys_sendmsg+0xcd/0x170 [10019.622312][ T1167] do_syscall_64+0xc6/0x1e0 [10019.622312][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10019.622312][ T1167] [10028.345110][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10028.345523][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10028.345523][ T10] netdev_get_by_index+0x5e/0x80 [10028.345523][ T10] fib6_nh_init+0x3d8/0x1580 [10028.345523][ T10] ip6_route_info_create+0xf18/0x17d0 [10028.345523][ T10] addrconf_f6i_alloc+0x265/0x560 [10028.345523][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10028.345523][ T10] addrconf_join_anycast+0x1c0/0x220 [10028.345523][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10028.345523][ T10] addrconf_dad_completed+0x12b/0xe20 [10028.345523][ T10] addrconf_dad_begin+0x310/0x670 [10028.345523][ T10] addrconf_dad_work+0x10b/0xab0 [10028.345523][ T10] process_one_work+0x84d/0x18a0 [10028.345523][ T10] worker_thread+0x587/0xd30 [10028.345523][ T10] kthread+0x28a/0x350 [10028.345523][ T10] ret_from_fork+0x31/0x70 [10028.345523][ T10] ret_from_fork_asm+0x1a/0x30 [10028.345523][ T10] [10028.347464][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10028.347464][ T10] netdev_get_by_index+0x5e/0x80 [10028.347464][ T10] fib6_nh_init+0x3d8/0x1580 [10028.347464][ T10] ip6_route_info_create+0xf18/0x17d0 [10028.347464][ T10] ip6_route_add+0x1c/0x140 [10028.347464][ T10] addrconf_prefix_route+0x2a6/0x430 [10028.347464][ T10] inet6_addr_add+0x4f8/0xa40 [10028.347464][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10028.347464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10028.347464][ T10] netlink_rcv_skb+0x130/0x360 [10028.347464][ T10] netlink_unicast+0x449/0x710 [10028.347464][ T10] netlink_sendmsg+0x723/0xbe0 [10028.347464][ T10] ____sys_sendmsg+0x7b2/0xa10 [10028.347464][ T10] ___sys_sendmsg+0xee/0x170 [10028.347464][ T10] __sys_sendmsg+0xcd/0x170 [10028.347464][ T10] do_syscall_64+0xc6/0x1e0 [10028.347464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10028.347464][ T10] [10028.349467][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10028.349467][ T10] netdev_get_by_index+0x5e/0x80 [10028.349467][ T10] fib6_nh_init+0x3d8/0x1580 [10028.349467][ T10] ip6_route_info_create+0xf18/0x17d0 [10028.349467][ T10] addrconf_f6i_alloc+0x315/0x560 [10028.349467][ T10] ipv6_add_addr+0x411/0x2000 [10028.349467][ T10] inet6_addr_add+0x30e/0xa40 [10028.349467][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10028.349467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10028.349467][ T10] netlink_rcv_skb+0x130/0x360 [10028.349467][ T10] netlink_unicast+0x449/0x710 [10028.349467][ T10] netlink_sendmsg+0x723/0xbe0 [10028.349467][ T10] ____sys_sendmsg+0x7b2/0xa10 [10028.349467][ T10] ___sys_sendmsg+0xee/0x170 [10028.349467][ T10] __sys_sendmsg+0xcd/0x170 [10028.349467][ T10] do_syscall_64+0xc6/0x1e0 [10028.349467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10028.349467][ T10] [10028.351466][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10028.351466][ T10] netdev_get_by_index+0x5e/0x80 [10028.351466][ T10] fib6_nh_init+0x3d8/0x1580 [10028.351466][ T10] ip6_route_info_create+0xf18/0x17d0 [10028.351466][ T10] ip6_route_add+0x1c/0x140 [10028.351466][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10028.351466][ T10] addrconf_add_dev+0xe2/0x170 [10028.351466][ T10] inet6_addr_add+0x12f/0xa40 [10028.351466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10028.351466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10028.351466][ T10] netlink_rcv_skb+0x130/0x360 [10028.351466][ T10] netlink_unicast+0x449/0x710 [10028.351466][ T10] netlink_sendmsg+0x723/0xbe0 [10028.351466][ T10] ____sys_sendmsg+0x7b2/0xa10 [10028.351466][ T10] ___sys_sendmsg+0xee/0x170 [10028.351466][ T10] __sys_sendmsg+0xcd/0x170 [10028.351466][ T10] do_syscall_64+0xc6/0x1e0 [10028.351466][ T10] [10028.353424][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10028.353424][ T10] ipv6_add_dev+0x3ba/0x11c0 [10028.353424][ T10] ipv6_find_idev+0x102/0x170 [10028.353424][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10028.353424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10028.353424][ T10] netlink_rcv_skb+0x130/0x360 [10028.353424][ T10] netlink_unicast+0x449/0x710 [10028.353424][ T10] netlink_sendmsg+0x723/0xbe0 [10028.353424][ T10] ____sys_sendmsg+0x7b2/0xa10 [10028.353424][ T10] ___sys_sendmsg+0xee/0x170 [10028.353424][ T10] __sys_sendmsg+0xcd/0x170 [10028.353424][ T10] do_syscall_64+0xc6/0x1e0 [10028.353424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10028.353424][ T10] [10028.354959][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10028.354959][ T10] neigh_parms_alloc+0x1e5/0x510 [10028.354959][ T10] ipv6_add_dev+0x2fe/0x11c0 [10028.354959][ T10] ipv6_find_idev+0x102/0x170 [10028.354959][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10028.354959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10028.354959][ T10] netlink_rcv_skb+0x130/0x360 [10028.354959][ T10] netlink_unicast+0x449/0x710 [10028.354959][ T10] netlink_sendmsg+0x723/0xbe0 [10028.354959][ T10] ____sys_sendmsg+0x7b2/0xa10 [10028.354959][ T10] ___sys_sendmsg+0xee/0x170 [10028.354959][ T10] __sys_sendmsg+0xcd/0x170 [10028.354959][ T10] do_syscall_64+0xc6/0x1e0 [10028.354959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10028.354959][ T10] [10028.356643][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10028.356881][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10028.356881][ T10] netdev_get_by_index+0x5e/0x80 [10028.356881][ T10] fib6_nh_init+0x3d8/0x1580 [10028.356881][ T10] ip6_route_info_create+0xf18/0x17d0 [10028.356881][ T10] addrconf_f6i_alloc+0x265/0x560 [10028.356881][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10028.356881][ T10] addrconf_join_anycast+0x1c0/0x220 [10028.356881][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10028.356881][ T10] addrconf_dad_completed+0x12b/0xe20 [10028.356881][ T10] addrconf_dad_begin+0x310/0x670 [10028.356881][ T10] addrconf_dad_work+0x10b/0xab0 [10028.356881][ T10] process_one_work+0x84d/0x18a0 [10028.356881][ T10] worker_thread+0x587/0xd30 [10028.356881][ T10] kthread+0x28a/0x350 [10028.356881][ T10] ret_from_fork+0x31/0x70 [10028.356881][ T10] ret_from_fork_asm+0x1a/0x30 [10028.356881][ T10] [10028.358786][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10028.358786][ T10] netdev_get_by_index+0x5e/0x80 [10028.358786][ T10] fib6_nh_init+0x3d8/0x1580 [10028.358786][ T10] ip6_route_info_create+0xf18/0x17d0 [10028.358786][ T10] ip6_route_add+0x1c/0x140 [10028.358786][ T10] addrconf_prefix_route+0x2a6/0x430 [10028.358786][ T10] inet6_addr_add+0x4f8/0xa40 [10028.358786][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10028.358786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10028.358786][ T10] netlink_rcv_skb+0x130/0x360 [10028.358786][ T10] netlink_unicast+0x449/0x710 [10028.358786][ T10] netlink_sendmsg+0x723/0xbe0 [10028.358786][ T10] ____sys_sendmsg+0x7b2/0xa10 [10028.358786][ T10] ___sys_sendmsg+0xee/0x170 [10028.358786][ T10] __sys_sendmsg+0xcd/0x170 [10028.358786][ T10] do_syscall_64+0xc6/0x1e0 [10028.358786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10028.358786][ T10] [10028.360778][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10028.360778][ T10] netdev_get_by_index+0x5e/0x80 [10028.360778][ T10] fib6_nh_init+0x3d8/0x1580 [10028.360778][ T10] ip6_route_info_create+0xf18/0x17d0 [10028.360778][ T10] addrconf_f6i_alloc+0x315/0x560 [10028.360778][ T10] ipv6_add_addr+0x411/0x2000 [10028.360778][ T10] inet6_addr_add+0x30e/0xa40 [10028.360778][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10028.360778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10028.360778][ T10] netlink_rcv_skb+0x130/0x360 [10028.360778][ T10] netlink_unicast+0x449/0x710 [10028.360778][ T10] netlink_sendmsg+0x723/0xbe0 [10028.360778][ T10] ____sys_sendmsg+0x7b2/0xa10 [10028.360778][ T10] ___sys_sendmsg+0xee/0x170 [10028.360778][ T10] __sys_sendmsg+0xcd/0x170 [10028.360778][ T10] do_syscall_64+0xc6/0x1e0 [10028.360778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10028.360778][ T10] [10028.362764][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10028.362764][ T10] netdev_get_by_index+0x5e/0x80 [10028.362764][ T10] fib6_nh_init+0x3d8/0x1580 [10028.362764][ T10] ip6_route_info_create+0xf18/0x17d0 [10028.362764][ T10] ip6_route_add+0x1c/0x140 [10028.362764][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10028.362764][ T10] addrconf_add_dev+0xe2/0x170 [10028.362764][ T10] inet6_addr_add+0x12f/0xa40 [10028.362764][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10028.362764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10028.362764][ T10] netlink_rcv_skb+0x130/0x360 [10028.362764][ T10] netlink_unicast+0x449/0x710 [10028.362764][ T10] netlink_sendmsg+0x723/0xbe0 [10028.362764][ T10] ____sys_sendmsg+0x7b2/0xa10 [10028.362764][ T10] ___sys_sendmsg+0xee/0x170 [10028.362764][ T10] __sys_sendmsg+0xcd/0x170 [10028.362764][ T10] do_syscall_64+0xc6/0x1e0 [10028.362764][ T10] [10028.364712][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10028.364712][ T10] ipv6_add_dev+0x3ba/0x11c0 [10028.364712][ T10] ipv6_find_idev+0x102/0x170 [10028.364712][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10028.364712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10028.364712][ T10] netlink_rcv_skb+0x130/0x360 [10028.364712][ T10] netlink_unicast+0x449/0x710 [10028.364712][ T10] netlink_sendmsg+0x723/0xbe0 [10028.364712][ T10] ____sys_sendmsg+0x7b2/0xa10 [10028.364712][ T10] ___sys_sendmsg+0xee/0x170 [10028.364712][ T10] __sys_sendmsg+0xcd/0x170 [10028.364712][ T10] do_syscall_64+0xc6/0x1e0 [10028.364712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10028.364712][ T10] [10028.366238][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10028.366238][ T10] neigh_parms_alloc+0x1e5/0x510 [10028.366238][ T10] ipv6_add_dev+0x2fe/0x11c0 [10028.366238][ T10] ipv6_find_idev+0x102/0x170 [10028.366238][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10028.366238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10028.366238][ T10] netlink_rcv_skb+0x130/0x360 [10028.366238][ T10] netlink_unicast+0x449/0x710 [10028.366238][ T10] netlink_sendmsg+0x723/0xbe0 [10028.366238][ T10] ____sys_sendmsg+0x7b2/0xa10 [10028.366238][ T10] ___sys_sendmsg+0xee/0x170 [10028.366238][ T10] __sys_sendmsg+0xcd/0x170 [10028.366238][ T10] do_syscall_64+0xc6/0x1e0 [10028.366238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10028.366238][ T10] [10028.367907][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10028.368148][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10028.368148][ T10] netdev_get_by_index+0x5e/0x80 [10028.368148][ T10] fib6_nh_init+0x3d8/0x1580 [10028.368148][ T10] ip6_route_info_create+0xf18/0x17d0 [10028.368148][ T10] addrconf_f6i_alloc+0x265/0x560 [10028.368148][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10028.368148][ T10] addrconf_join_anycast+0x1c0/0x220 [10028.368148][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10028.368148][ T10] addrconf_dad_completed+0x12b/0xe20 [10028.368148][ T10] addrconf_dad_begin+0x310/0x670 [10028.368148][ T10] addrconf_dad_work+0x10b/0xab0 [10028.368148][ T10] process_one_work+0x84d/0x18a0 [10028.368148][ T10] worker_thread+0x587/0xd30 [10028.368148][ T10] kthread+0x28a/0x350 [10028.368148][ T10] ret_from_fork+0x31/0x70 [10028.368148][ T10] ret_from_fork_asm+0x1a/0x30 [10028.368148][ T10] [10028.370046][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10028.370046][ T10] netdev_get_by_index+0x5e/0x80 [10028.370046][ T10] fib6_nh_init+0x3d8/0x1580 [10028.370046][ T10] ip6_route_info_create+0xf18/0x17d0 [10028.370046][ T10] ip6_route_add+0x1c/0x140 [10028.370046][ T10] addrconf_prefix_route+0x2a6/0x430 [10028.370046][ T10] inet6_addr_add+0x4f8/0xa40 [10028.370046][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10028.370046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10028.370046][ T10] netlink_rcv_skb+0x130/0x360 [10028.370046][ T10] netlink_unicast+0x449/0x710 [10028.370046][ T10] netlink_sendmsg+0x723/0xbe0 [10028.370046][ T10] ____sys_sendmsg+0x7b2/0xa10 [10028.370046][ T10] ___sys_sendmsg+0xee/0x170 [10028.370046][ T10] __sys_sendmsg+0xcd/0x170 [10028.370046][ T10] do_syscall_64+0xc6/0x1e0 [10028.370046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10028.370046][ T10] [10028.372206][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10028.372206][ T10] netdev_get_by_index+0x5e/0x80 [10028.372206][ T10] fib6_nh_init+0x3d8/0x1580 [10028.372206][ T10] ip6_route_info_create+0xf18/0x17d0 [10028.372206][ T10] addrconf_f6i_alloc+0x315/0x560 [10028.372206][ T10] ipv6_add_addr+0x411/0x2000 [10028.372206][ T10] inet6_addr_add+0x30e/0xa40 [10028.372206][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10028.372206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10028.372206][ T10] netlink_rcv_skb+0x130/0x360 [10028.372206][ T10] netlink_unicast+0x449/0x710 [10028.372206][ T10] netlink_sendmsg+0x723/0xbe0 [10028.372206][ T10] ____sys_sendmsg+0x7b2/0xa10 [10028.372206][ T10] ___sys_sendmsg+0xee/0x170 [10028.372206][ T10] __sys_sendmsg+0xcd/0x170 [10028.372206][ T10] do_syscall_64+0xc6/0x1e0 [10028.372206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10028.372206][ T10] [10028.374430][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10028.374430][ T10] netdev_get_by_index+0x5e/0x80 [10028.374430][ T10] fib6_nh_init+0x3d8/0x1580 [10028.374430][ T10] ip6_route_info_create+0xf18/0x17d0 [10028.374430][ T10] ip6_route_add+0x1c/0x140 [10028.374430][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10028.374430][ T10] addrconf_add_dev+0xe2/0x170 [10028.374430][ T10] inet6_addr_add+0x12f/0xa40 [10028.374430][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10028.374430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10028.374430][ T10] netlink_rcv_skb+0x130/0x360 [10028.374430][ T10] netlink_unicast+0x449/0x710 [10028.374430][ T10] netlink_sendmsg+0x723/0xbe0 [10028.374430][ T10] ____sys_sendmsg+0x7b2/0xa10 [10028.374430][ T10] ___sys_sendmsg+0xee/0x170 [10028.374430][ T10] __sys_sendmsg+0xcd/0x170 [10028.374430][ T10] do_syscall_64+0xc6/0x1e0 [10028.374430][ T10] [10028.376552][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10028.376552][ T10] ipv6_add_dev+0x3ba/0x11c0 [10028.376552][ T10] ipv6_find_idev+0x102/0x170 [10028.376552][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10028.376552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10028.376552][ T10] netlink_rcv_skb+0x130/0x360 [10028.376552][ T10] netlink_unicast+0x449/0x710 [10028.376552][ T10] netlink_sendmsg+0x723/0xbe0 [10028.376552][ T10] ____sys_sendmsg+0x7b2/0xa10 [10028.376552][ T10] ___sys_sendmsg+0xee/0x170 [10028.376552][ T10] __sys_sendmsg+0xcd/0x170 [10028.376552][ T10] do_syscall_64+0xc6/0x1e0 [10028.376552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10028.376552][ T10] [10028.378260][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10028.378260][ T10] neigh_parms_alloc+0x1e5/0x510 [10028.378260][ T10] ipv6_add_dev+0x2fe/0x11c0 [10028.378260][ T10] ipv6_find_idev+0x102/0x170 [10028.378260][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10028.378260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10028.378260][ T10] netlink_rcv_skb+0x130/0x360 [10028.378260][ T10] netlink_unicast+0x449/0x710 [10028.378260][ T10] netlink_sendmsg+0x723/0xbe0 [10028.378260][ T10] ____sys_sendmsg+0x7b2/0xa10 [10028.378260][ T10] ___sys_sendmsg+0xee/0x170 [10028.378260][ T10] __sys_sendmsg+0xcd/0x170 [10028.378260][ T10] do_syscall_64+0xc6/0x1e0 [10028.378260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10028.378260][ T10] [10028.380243][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10028.380476][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10028.380476][ T10] netdev_get_by_index+0x5e/0x80 [10028.380476][ T10] fib6_nh_init+0x3d8/0x1580 [10028.380476][ T10] ip6_route_info_create+0xf18/0x17d0 [10028.380476][ T10] addrconf_f6i_alloc+0x265/0x560 [10028.380476][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10028.380476][ T10] addrconf_join_anycast+0x1c0/0x220 [10028.380476][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10028.380476][ T10] addrconf_dad_completed+0x12b/0xe20 [10028.380476][ T10] addrconf_dad_begin+0x310/0x670 [10028.380476][ T10] addrconf_dad_work+0x10b/0xab0 [10028.380476][ T10] process_one_work+0x84d/0x18a0 [10028.380476][ T10] worker_thread+0x587/0xd30 [10028.380476][ T10] kthread+0x28a/0x350 [10028.380476][ T10] ret_from_fork+0x31/0x70 [10028.380476][ T10] ret_from_fork_asm+0x1a/0x30 [10028.380476][ T10] [10028.382627][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10028.382627][ T10] netdev_get_by_index+0x5e/0x80 [10028.382627][ T10] fib6_nh_init+0x3d8/0x1580 [10028.382627][ T10] ip6_route_info_create+0xf18/0x17d0 [10028.382627][ T10] ip6_route_add+0x1c/0x140 [10028.382627][ T10] addrconf_prefix_route+0x2a6/0x430 [10028.382627][ T10] inet6_addr_add+0x4f8/0xa40 [10028.382627][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10028.382627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10028.382627][ T10] netlink_rcv_skb+0x130/0x360 [10028.382627][ T10] netlink_unicast+0x449/0x710 [10028.382627][ T10] netlink_sendmsg+0x723/0xbe0 [10028.382627][ T10] ____sys_sendmsg+0x7b2/0xa10 [10028.382627][ T10] ___sys_sendmsg+0xee/0x170 [10028.382627][ T10] __sys_sendmsg+0xcd/0x170 [10028.382627][ T10] do_syscall_64+0xc6/0x1e0 [10028.382627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10028.382627][ T10] [10028.384789][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10028.384789][ T10] netdev_get_by_index+0x5e/0x80 [10028.384789][ T10] fib6_nh_init+0x3d8/0x1580 [10028.384789][ T10] ip6_route_info_create+0xf18/0x17d0 [10028.384789][ T10] addrconf_f6i_alloc+0x315/0x560 [10028.384789][ T10] ipv6_add_addr+0x411/0x2000 [10028.384789][ T10] inet6_addr_add+0x30e/0xa40 [10028.384789][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10028.384789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10028.384789][ T10] netlink_rcv_skb+0x130/0x360 [10028.384789][ T10] netlink_unicast+0x449/0x710 [10028.384789][ T10] netlink_sendmsg+0x723/0xbe0 [10028.384789][ T10] ____sys_sendmsg+0x7b2/0xa10 [10028.384789][ T10] ___sys_sendmsg+0xee/0x170 [10028.384789][ T10] __sys_sendmsg+0xcd/0x170 [10028.384789][ T10] do_syscall_64+0xc6/0x1e0 [10028.384789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10028.384789][ T10] [10028.387013][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10028.387013][ T10] netdev_get_by_index+0x5e/0x80 [10028.387013][ T10] fib6_nh_init+0x3d8/0x1580 [10028.387013][ T10] ip6_route_info_create+0xf18/0x17d0 [10028.387013][ T10] ip6_route_add+0x1c/0x140 [10028.387013][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10028.387013][ T10] addrconf_add_dev+0xe2/0x170 [10028.387013][ T10] inet6_addr_add+0x12f/0xa40 [10028.387013][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10028.387013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10028.387013][ T10] netlink_rcv_skb+0x130/0x360 [10028.387013][ T10] netlink_unicast+0x449/0x710 [10028.387013][ T10] netlink_sendmsg+0x723/0xbe0 [10028.387013][ T10] ____sys_sendmsg+0x7b2/0xa10 [10028.387013][ T10] ___sys_sendmsg+0xee/0x170 [10028.387013][ T10] __sys_sendmsg+0xcd/0x170 [10028.387013][ T10] do_syscall_64+0xc6/0x1e0 [10028.387013][ T10] [10028.389260][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10028.389260][ T10] ipv6_add_dev+0x3ba/0x11c0 [10028.389260][ T10] ipv6_find_idev+0x102/0x170 [10028.389260][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10028.389260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10028.389260][ T10] netlink_rcv_skb+0x130/0x360 [10028.389260][ T10] netlink_unicast+0x449/0x710 [10028.389260][ T10] netlink_sendmsg+0x723/0xbe0 [10028.389260][ T10] ____sys_sendmsg+0x7b2/0xa10 [10028.389260][ T10] ___sys_sendmsg+0xee/0x170 [10028.389260][ T10] __sys_sendmsg+0xcd/0x170 [10028.389260][ T10] do_syscall_64+0xc6/0x1e0 [10028.389260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10028.389260][ T10] [10028.391027][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10028.391027][ T10] neigh_parms_alloc+0x1e5/0x510 [10028.391027][ T10] ipv6_add_dev+0x2fe/0x11c0 [10028.391027][ T10] ipv6_find_idev+0x102/0x170 [10028.391027][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10028.391027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10028.391027][ T10] netlink_rcv_skb+0x130/0x360 [10028.391027][ T10] netlink_unicast+0x449/0x710 [10028.391027][ T10] netlink_sendmsg+0x723/0xbe0 [10028.391027][ T10] ____sys_sendmsg+0x7b2/0xa10 [10028.391027][ T10] ___sys_sendmsg+0xee/0x170 [10028.391027][ T10] __sys_sendmsg+0xcd/0x170 [10028.391027][ T10] do_syscall_64+0xc6/0x1e0 [10028.391027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10028.391027][ T10] [10029.873107][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10029.873583][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10029.873583][ T1167] dst_init+0x84/0x4a0 [10029.873583][ T1167] dst_alloc+0x97/0x150 [10029.873583][ T1167] ip6_dst_alloc+0x23/0x90 [10029.873583][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10029.873583][ T1167] ip6_pol_route+0x56f/0x840 [10029.873583][ T1167] fib6_rule_lookup+0x334/0x630 [10029.873583][ T1167] ip6_route_output_flags+0x259/0x480 [10029.873583][ T1167] inet6_rtm_getroute+0x980/0xf70 [10029.873583][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10029.873583][ T1167] netlink_rcv_skb+0x130/0x360 [10029.873583][ T1167] netlink_unicast+0x449/0x710 [10029.873583][ T1167] netlink_sendmsg+0x723/0xbe0 [10029.873583][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10029.873583][ T1167] ___sys_sendmsg+0xee/0x170 [10029.873583][ T1167] __sys_sendmsg+0xcd/0x170 [10029.873583][ T1167] do_syscall_64+0xc6/0x1e0 [10029.873583][ T1167] [10029.875794][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10029.875794][ T1167] netdev_get_by_index+0x5e/0x80 [10029.875794][ T1167] fib6_nh_init+0x3d8/0x1580 [10029.875794][ T1167] ip6_route_info_create+0xf18/0x17d0 [10029.875794][ T1167] addrconf_f6i_alloc+0x265/0x560 [10029.875794][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10029.875794][ T1167] addrconf_join_anycast+0x1c0/0x220 [10029.875794][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10029.875794][ T1167] addrconf_dad_completed+0x12b/0xe20 [10029.875794][ T1167] addrconf_dad_begin+0x310/0x670 [10029.875794][ T1167] addrconf_dad_work+0x10b/0xab0 [10029.875794][ T1167] process_one_work+0x84d/0x18a0 [10029.875794][ T1167] worker_thread+0x587/0xd30 [10029.875794][ T1167] kthread+0x28a/0x350 [10029.875794][ T1167] ret_from_fork+0x31/0x70 [10029.875794][ T1167] ret_from_fork_asm+0x1a/0x30 [10029.875794][ T1167] [10029.877950][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10029.877950][ T1167] netdev_get_by_index+0x5e/0x80 [10029.877950][ T1167] fib6_nh_init+0x3d8/0x1580 [10029.877950][ T1167] ip6_route_info_create+0xf18/0x17d0 [10029.877950][ T1167] ip6_route_add+0x1c/0x140 [10029.877950][ T1167] addrconf_prefix_route+0x2a6/0x430 [10029.877950][ T1167] inet6_addr_add+0x4f8/0xa40 [10029.877950][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10029.877950][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10029.877950][ T1167] netlink_rcv_skb+0x130/0x360 [10029.877950][ T1167] netlink_unicast+0x449/0x710 [10029.877950][ T1167] netlink_sendmsg+0x723/0xbe0 [10029.877950][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10029.877950][ T1167] ___sys_sendmsg+0xee/0x170 [10029.877950][ T1167] __sys_sendmsg+0xcd/0x170 [10029.877950][ T1167] do_syscall_64+0xc6/0x1e0 [10029.877950][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10029.877950][ T1167] [10029.880202][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10029.880202][ T1167] netdev_get_by_index+0x5e/0x80 [10029.880202][ T1167] fib6_nh_init+0x3d8/0x1580 [10029.880202][ T1167] ip6_route_info_create+0xf18/0x17d0 [10029.880202][ T1167] addrconf_f6i_alloc+0x315/0x560 [10029.880202][ T1167] ipv6_add_addr+0x411/0x2000 [10029.880202][ T1167] inet6_addr_add+0x30e/0xa40 [10029.880202][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10029.880202][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10029.880202][ T1167] netlink_rcv_skb+0x130/0x360 [10029.880202][ T1167] netlink_unicast+0x449/0x710 [10029.880202][ T1167] netlink_sendmsg+0x723/0xbe0 [10029.880202][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10029.880202][ T1167] ___sys_sendmsg+0xee/0x170 [10029.880202][ T1167] __sys_sendmsg+0xcd/0x170 [10029.880202][ T1167] do_syscall_64+0xc6/0x1e0 [10029.880202][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10029.880202][ T1167] [10029.882464][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10029.882464][ T1167] netdev_get_by_index+0x5e/0x80 [10029.882464][ T1167] fib6_nh_init+0x3d8/0x1580 [10029.882464][ T1167] ip6_route_info_create+0xf18/0x17d0 [10029.882464][ T1167] ip6_route_add+0x1c/0x140 [10029.882464][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10029.882464][ T1167] addrconf_add_dev+0xe2/0x170 [10029.882464][ T1167] inet6_addr_add+0x12f/0xa40 [10029.882464][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10029.882464][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10029.882464][ T1167] netlink_rcv_skb+0x130/0x360 [10029.882464][ T1167] netlink_unicast+0x449/0x710 [10029.882464][ T1167] netlink_sendmsg+0x723/0xbe0 [10029.882464][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10029.882464][ T1167] ___sys_sendmsg+0xee/0x170 [10029.882464][ T1167] __sys_sendmsg+0xcd/0x170 [10029.882464][ T1167] do_syscall_64+0xc6/0x1e0 [10029.882464][ T1167] [10029.884681][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10029.884681][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10029.884681][ T1167] ipv6_find_idev+0x102/0x170 [10029.884681][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10029.884681][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10029.884681][ T1167] netlink_rcv_skb+0x130/0x360 [10029.884681][ T1167] netlink_unicast+0x449/0x710 [10029.884681][ T1167] netlink_sendmsg+0x723/0xbe0 [10029.884681][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10029.884681][ T1167] ___sys_sendmsg+0xee/0x170 [10029.884681][ T1167] __sys_sendmsg+0xcd/0x170 [10029.884681][ T1167] do_syscall_64+0xc6/0x1e0 [10029.884681][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10029.884681][ T1167] [10029.886414][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10029.886414][ T1167] neigh_parms_alloc+0x1e5/0x510 [10029.886414][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10029.886414][ T1167] ipv6_find_idev+0x102/0x170 [10029.886414][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10029.886414][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10029.886414][ T1167] netlink_rcv_skb+0x130/0x360 [10029.886414][ T1167] netlink_unicast+0x449/0x710 [10029.886414][ T1167] netlink_sendmsg+0x723/0xbe0 [10029.886414][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10029.886414][ T1167] ___sys_sendmsg+0xee/0x170 [10029.886414][ T1167] __sys_sendmsg+0xcd/0x170 [10029.886414][ T1167] do_syscall_64+0xc6/0x1e0 [10029.886414][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10029.886414][ T1167] [10038.457118][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10038.457477][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10038.457477][ T10] netdev_get_by_index+0x5e/0x80 [10038.457477][ T10] fib6_nh_init+0x3d8/0x1580 [10038.457477][ T10] ip6_route_info_create+0xf18/0x17d0 [10038.457477][ T10] addrconf_f6i_alloc+0x265/0x560 [10038.457477][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10038.457477][ T10] addrconf_join_anycast+0x1c0/0x220 [10038.457477][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10038.457477][ T10] addrconf_dad_completed+0x12b/0xe20 [10038.457477][ T10] addrconf_dad_begin+0x310/0x670 [10038.457477][ T10] addrconf_dad_work+0x10b/0xab0 [10038.457477][ T10] process_one_work+0x84d/0x18a0 [10038.457477][ T10] worker_thread+0x587/0xd30 [10038.457477][ T10] kthread+0x28a/0x350 [10038.457477][ T10] ret_from_fork+0x31/0x70 [10038.457477][ T10] ret_from_fork_asm+0x1a/0x30 [10038.457477][ T10] [10038.459409][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10038.459409][ T10] netdev_get_by_index+0x5e/0x80 [10038.459409][ T10] fib6_nh_init+0x3d8/0x1580 [10038.459409][ T10] ip6_route_info_create+0xf18/0x17d0 [10038.459409][ T10] ip6_route_add+0x1c/0x140 [10038.459409][ T10] addrconf_prefix_route+0x2a6/0x430 [10038.459409][ T10] inet6_addr_add+0x4f8/0xa40 [10038.459409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10038.459409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10038.459409][ T10] netlink_rcv_skb+0x130/0x360 [10038.459409][ T10] netlink_unicast+0x449/0x710 [10038.459409][ T10] netlink_sendmsg+0x723/0xbe0 [10038.459409][ T10] ____sys_sendmsg+0x7b2/0xa10 [10038.459409][ T10] ___sys_sendmsg+0xee/0x170 [10038.459409][ T10] __sys_sendmsg+0xcd/0x170 [10038.459409][ T10] do_syscall_64+0xc6/0x1e0 [10038.459409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10038.459409][ T10] [10038.461945][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10038.461945][ T10] netdev_get_by_index+0x5e/0x80 [10038.461945][ T10] fib6_nh_init+0x3d8/0x1580 [10038.461945][ T10] ip6_route_info_create+0xf18/0x17d0 [10038.461945][ T10] addrconf_f6i_alloc+0x315/0x560 [10038.461945][ T10] ipv6_add_addr+0x411/0x2000 [10038.461945][ T10] inet6_addr_add+0x30e/0xa40 [10038.461945][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10038.461945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10038.461945][ T10] netlink_rcv_skb+0x130/0x360 [10038.461945][ T10] netlink_unicast+0x449/0x710 [10038.461945][ T10] netlink_sendmsg+0x723/0xbe0 [10038.461945][ T10] ____sys_sendmsg+0x7b2/0xa10 [10038.461945][ T10] ___sys_sendmsg+0xee/0x170 [10038.461945][ T10] __sys_sendmsg+0xcd/0x170 [10038.461945][ T10] do_syscall_64+0xc6/0x1e0 [10038.461945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10038.461945][ T10] [10038.463938][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10038.463938][ T10] netdev_get_by_index+0x5e/0x80 [10038.463938][ T10] fib6_nh_init+0x3d8/0x1580 [10038.463938][ T10] ip6_route_info_create+0xf18/0x17d0 [10038.463938][ T10] ip6_route_add+0x1c/0x140 [10038.463938][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10038.463938][ T10] addrconf_add_dev+0xe2/0x170 [10038.463938][ T10] inet6_addr_add+0x12f/0xa40 [10038.463938][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10038.463938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10038.463938][ T10] netlink_rcv_skb+0x130/0x360 [10038.463938][ T10] netlink_unicast+0x449/0x710 [10038.463938][ T10] netlink_sendmsg+0x723/0xbe0 [10038.463938][ T10] ____sys_sendmsg+0x7b2/0xa10 [10038.463938][ T10] ___sys_sendmsg+0xee/0x170 [10038.463938][ T10] __sys_sendmsg+0xcd/0x170 [10038.463938][ T10] do_syscall_64+0xc6/0x1e0 [10038.463938][ T10] [10038.465895][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10038.465895][ T10] ipv6_add_dev+0x3ba/0x11c0 [10038.465895][ T10] ipv6_find_idev+0x102/0x170 [10038.465895][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10038.465895][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10038.465895][ T10] netlink_rcv_skb+0x130/0x360 [10038.465895][ T10] netlink_unicast+0x449/0x710 [10038.465895][ T10] netlink_sendmsg+0x723/0xbe0 [10038.465895][ T10] ____sys_sendmsg+0x7b2/0xa10 [10038.465895][ T10] ___sys_sendmsg+0xee/0x170 [10038.465895][ T10] __sys_sendmsg+0xcd/0x170 [10038.465895][ T10] do_syscall_64+0xc6/0x1e0 [10038.465895][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10038.465895][ T10] [10038.467428][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10038.467428][ T10] neigh_parms_alloc+0x1e5/0x510 [10038.467428][ T10] ipv6_add_dev+0x2fe/0x11c0 [10038.467428][ T10] ipv6_find_idev+0x102/0x170 [10038.467428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10038.467428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10038.467428][ T10] netlink_rcv_skb+0x130/0x360 [10038.467428][ T10] netlink_unicast+0x449/0x710 [10038.467428][ T10] netlink_sendmsg+0x723/0xbe0 [10038.467428][ T10] ____sys_sendmsg+0x7b2/0xa10 [10038.467428][ T10] ___sys_sendmsg+0xee/0x170 [10038.467428][ T10] __sys_sendmsg+0xcd/0x170 [10038.467428][ T10] do_syscall_64+0xc6/0x1e0 [10038.467428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10038.467428][ T10] [10038.469106][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10038.469350][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10038.469350][ T10] netdev_get_by_index+0x5e/0x80 [10038.469350][ T10] fib6_nh_init+0x3d8/0x1580 [10038.469350][ T10] ip6_route_info_create+0xf18/0x17d0 [10038.469350][ T10] addrconf_f6i_alloc+0x265/0x560 [10038.469350][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10038.469350][ T10] addrconf_join_anycast+0x1c0/0x220 [10038.469350][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10038.469350][ T10] addrconf_dad_completed+0x12b/0xe20 [10038.469350][ T10] addrconf_dad_begin+0x310/0x670 [10038.469350][ T10] addrconf_dad_work+0x10b/0xab0 [10038.469350][ T10] process_one_work+0x84d/0x18a0 [10038.469350][ T10] worker_thread+0x587/0xd30 [10038.469350][ T10] kthread+0x28a/0x350 [10038.469350][ T10] ret_from_fork+0x31/0x70 [10038.469350][ T10] ret_from_fork_asm+0x1a/0x30 [10038.469350][ T10] [10038.471264][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10038.471264][ T10] netdev_get_by_index+0x5e/0x80 [10038.471264][ T10] fib6_nh_init+0x3d8/0x1580 [10038.471264][ T10] ip6_route_info_create+0xf18/0x17d0 [10038.471264][ T10] ip6_route_add+0x1c/0x140 [10038.471264][ T10] addrconf_prefix_route+0x2a6/0x430 [10038.471264][ T10] inet6_addr_add+0x4f8/0xa40 [10038.471264][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10038.471264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10038.471264][ T10] netlink_rcv_skb+0x130/0x360 [10038.471264][ T10] netlink_unicast+0x449/0x710 [10038.471264][ T10] netlink_sendmsg+0x723/0xbe0 [10038.471264][ T10] ____sys_sendmsg+0x7b2/0xa10 [10038.471264][ T10] ___sys_sendmsg+0xee/0x170 [10038.471264][ T10] __sys_sendmsg+0xcd/0x170 [10038.471264][ T10] do_syscall_64+0xc6/0x1e0 [10038.471264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10038.471264][ T10] [10038.473261][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10038.473261][ T10] netdev_get_by_index+0x5e/0x80 [10038.473261][ T10] fib6_nh_init+0x3d8/0x1580 [10038.473261][ T10] ip6_route_info_create+0xf18/0x17d0 [10038.473261][ T10] addrconf_f6i_alloc+0x315/0x560 [10038.473261][ T10] ipv6_add_addr+0x411/0x2000 [10038.473261][ T10] inet6_addr_add+0x30e/0xa40 [10038.473261][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10038.473261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10038.473261][ T10] netlink_rcv_skb+0x130/0x360 [10038.473261][ T10] netlink_unicast+0x449/0x710 [10038.473261][ T10] netlink_sendmsg+0x723/0xbe0 [10038.473261][ T10] ____sys_sendmsg+0x7b2/0xa10 [10038.473261][ T10] ___sys_sendmsg+0xee/0x170 [10038.473261][ T10] __sys_sendmsg+0xcd/0x170 [10038.473261][ T10] do_syscall_64+0xc6/0x1e0 [10038.473261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10038.473261][ T10] [10038.475257][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10038.475257][ T10] netdev_get_by_index+0x5e/0x80 [10038.475257][ T10] fib6_nh_init+0x3d8/0x1580 [10038.475257][ T10] ip6_route_info_create+0xf18/0x17d0 [10038.475257][ T10] ip6_route_add+0x1c/0x140 [10038.475257][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10038.475257][ T10] addrconf_add_dev+0xe2/0x170 [10038.475257][ T10] inet6_addr_add+0x12f/0xa40 [10038.475257][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10038.475257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10038.475257][ T10] netlink_rcv_skb+0x130/0x360 [10038.475257][ T10] netlink_unicast+0x449/0x710 [10038.475257][ T10] netlink_sendmsg+0x723/0xbe0 [10038.475257][ T10] ____sys_sendmsg+0x7b2/0xa10 [10038.475257][ T10] ___sys_sendmsg+0xee/0x170 [10038.475257][ T10] __sys_sendmsg+0xcd/0x170 [10038.475257][ T10] do_syscall_64+0xc6/0x1e0 [10038.475257][ T10] [10038.477215][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10038.477215][ T10] ipv6_add_dev+0x3ba/0x11c0 [10038.477215][ T10] ipv6_find_idev+0x102/0x170 [10038.477215][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10038.477215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10038.477215][ T10] netlink_rcv_skb+0x130/0x360 [10038.477215][ T10] netlink_unicast+0x449/0x710 [10038.477215][ T10] netlink_sendmsg+0x723/0xbe0 [10038.477215][ T10] ____sys_sendmsg+0x7b2/0xa10 [10038.477215][ T10] ___sys_sendmsg+0xee/0x170 [10038.477215][ T10] __sys_sendmsg+0xcd/0x170 [10038.477215][ T10] do_syscall_64+0xc6/0x1e0 [10038.477215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10038.477215][ T10] [10038.478750][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10038.478750][ T10] neigh_parms_alloc+0x1e5/0x510 [10038.478750][ T10] ipv6_add_dev+0x2fe/0x11c0 [10038.478750][ T10] ipv6_find_idev+0x102/0x170 [10038.478750][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10038.478750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10038.478750][ T10] netlink_rcv_skb+0x130/0x360 [10038.478750][ T10] netlink_unicast+0x449/0x710 [10038.478750][ T10] netlink_sendmsg+0x723/0xbe0 [10038.478750][ T10] ____sys_sendmsg+0x7b2/0xa10 [10038.478750][ T10] ___sys_sendmsg+0xee/0x170 [10038.478750][ T10] __sys_sendmsg+0xcd/0x170 [10038.478750][ T10] do_syscall_64+0xc6/0x1e0 [10038.478750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10038.478750][ T10] [10038.480428][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10038.480661][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10038.480661][ T10] netdev_get_by_index+0x5e/0x80 [10038.480661][ T10] fib6_nh_init+0x3d8/0x1580 [10038.480661][ T10] ip6_route_info_create+0xf18/0x17d0 [10038.480661][ T10] addrconf_f6i_alloc+0x265/0x560 [10038.480661][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10038.480661][ T10] addrconf_join_anycast+0x1c0/0x220 [10038.480661][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10038.480661][ T10] addrconf_dad_completed+0x12b/0xe20 [10038.480661][ T10] addrconf_dad_begin+0x310/0x670 [10038.480661][ T10] addrconf_dad_work+0x10b/0xab0 [10038.480661][ T10] process_one_work+0x84d/0x18a0 [10038.480661][ T10] worker_thread+0x587/0xd30 [10038.480661][ T10] kthread+0x28a/0x350 [10038.480661][ T10] ret_from_fork+0x31/0x70 [10038.480661][ T10] ret_from_fork_asm+0x1a/0x30 [10038.480661][ T10] [10038.482571][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10038.482571][ T10] netdev_get_by_index+0x5e/0x80 [10038.482571][ T10] fib6_nh_init+0x3d8/0x1580 [10038.482571][ T10] ip6_route_info_create+0xf18/0x17d0 [10038.482571][ T10] ip6_route_add+0x1c/0x140 [10038.482571][ T10] addrconf_prefix_route+0x2a6/0x430 [10038.482571][ T10] inet6_addr_add+0x4f8/0xa40 [10038.482571][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10038.482571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10038.482571][ T10] netlink_rcv_skb+0x130/0x360 [10038.482571][ T10] netlink_unicast+0x449/0x710 [10038.482571][ T10] netlink_sendmsg+0x723/0xbe0 [10038.482571][ T10] ____sys_sendmsg+0x7b2/0xa10 [10038.482571][ T10] ___sys_sendmsg+0xee/0x170 [10038.482571][ T10] __sys_sendmsg+0xcd/0x170 [10038.482571][ T10] do_syscall_64+0xc6/0x1e0 [10038.482571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10038.482571][ T10] [10038.484743][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10038.484743][ T10] netdev_get_by_index+0x5e/0x80 [10038.484743][ T10] fib6_nh_init+0x3d8/0x1580 [10038.484743][ T10] ip6_route_info_create+0xf18/0x17d0 [10038.484743][ T10] addrconf_f6i_alloc+0x315/0x560 [10038.484743][ T10] ipv6_add_addr+0x411/0x2000 [10038.484743][ T10] inet6_addr_add+0x30e/0xa40 [10038.484743][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10038.484743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10038.484743][ T10] netlink_rcv_skb+0x130/0x360 [10038.484743][ T10] netlink_unicast+0x449/0x710 [10038.484743][ T10] netlink_sendmsg+0x723/0xbe0 [10038.484743][ T10] ____sys_sendmsg+0x7b2/0xa10 [10038.484743][ T10] ___sys_sendmsg+0xee/0x170 [10038.484743][ T10] __sys_sendmsg+0xcd/0x170 [10038.484743][ T10] do_syscall_64+0xc6/0x1e0 [10038.484743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10038.484743][ T10] [10038.487038][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10038.487038][ T10] netdev_get_by_index+0x5e/0x80 [10038.487038][ T10] fib6_nh_init+0x3d8/0x1580 [10038.487038][ T10] ip6_route_info_create+0xf18/0x17d0 [10038.487038][ T10] ip6_route_add+0x1c/0x140 [10038.487038][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10038.487038][ T10] addrconf_add_dev+0xe2/0x170 [10038.487038][ T10] inet6_addr_add+0x12f/0xa40 [10038.487038][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10038.487038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10038.487038][ T10] netlink_rcv_skb+0x130/0x360 [10038.487038][ T10] netlink_unicast+0x449/0x710 [10038.487038][ T10] netlink_sendmsg+0x723/0xbe0 [10038.487038][ T10] ____sys_sendmsg+0x7b2/0xa10 [10038.487038][ T10] ___sys_sendmsg+0xee/0x170 [10038.487038][ T10] __sys_sendmsg+0xcd/0x170 [10038.487038][ T10] do_syscall_64+0xc6/0x1e0 [10038.487038][ T10] [10038.489185][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10038.489185][ T10] ipv6_add_dev+0x3ba/0x11c0 [10038.489185][ T10] ipv6_find_idev+0x102/0x170 [10038.489185][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10038.489185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10038.489185][ T10] netlink_rcv_skb+0x130/0x360 [10038.489185][ T10] netlink_unicast+0x449/0x710 [10038.489185][ T10] netlink_sendmsg+0x723/0xbe0 [10038.489185][ T10] ____sys_sendmsg+0x7b2/0xa10 [10038.489185][ T10] ___sys_sendmsg+0xee/0x170 [10038.489185][ T10] __sys_sendmsg+0xcd/0x170 [10038.489185][ T10] do_syscall_64+0xc6/0x1e0 [10038.489185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10038.489185][ T10] [10038.490901][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10038.490901][ T10] neigh_parms_alloc+0x1e5/0x510 [10038.490901][ T10] ipv6_add_dev+0x2fe/0x11c0 [10038.490901][ T10] ipv6_find_idev+0x102/0x170 [10038.490901][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10038.490901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10038.490901][ T10] netlink_rcv_skb+0x130/0x360 [10038.490901][ T10] netlink_unicast+0x449/0x710 [10038.490901][ T10] netlink_sendmsg+0x723/0xbe0 [10038.490901][ T10] ____sys_sendmsg+0x7b2/0xa10 [10038.490901][ T10] ___sys_sendmsg+0xee/0x170 [10038.490901][ T10] __sys_sendmsg+0xcd/0x170 [10038.490901][ T10] do_syscall_64+0xc6/0x1e0 [10038.490901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10038.490901][ T10] [10038.492767][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10038.493000][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10038.493000][ T10] netdev_get_by_index+0x5e/0x80 [10038.493000][ T10] fib6_nh_init+0x3d8/0x1580 [10038.493000][ T10] ip6_route_info_create+0xf18/0x17d0 [10038.493000][ T10] addrconf_f6i_alloc+0x265/0x560 [10038.493000][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10038.493000][ T10] addrconf_join_anycast+0x1c0/0x220 [10038.493000][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10038.493000][ T10] addrconf_dad_completed+0x12b/0xe20 [10038.493000][ T10] addrconf_dad_begin+0x310/0x670 [10038.493000][ T10] addrconf_dad_work+0x10b/0xab0 [10038.493000][ T10] process_one_work+0x84d/0x18a0 [10038.493000][ T10] worker_thread+0x587/0xd30 [10038.493000][ T10] kthread+0x28a/0x350 [10038.493000][ T10] ret_from_fork+0x31/0x70 [10038.493000][ T10] ret_from_fork_asm+0x1a/0x30 [10038.493000][ T10] [10038.495207][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10038.495207][ T10] netdev_get_by_index+0x5e/0x80 [10038.495207][ T10] fib6_nh_init+0x3d8/0x1580 [10038.495207][ T10] ip6_route_info_create+0xf18/0x17d0 [10038.495207][ T10] ip6_route_add+0x1c/0x140 [10038.495207][ T10] addrconf_prefix_route+0x2a6/0x430 [10038.495207][ T10] inet6_addr_add+0x4f8/0xa40 [10038.495207][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10038.495207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10038.495207][ T10] netlink_rcv_skb+0x130/0x360 [10038.495207][ T10] netlink_unicast+0x449/0x710 [10038.495207][ T10] netlink_sendmsg+0x723/0xbe0 [10038.495207][ T10] ____sys_sendmsg+0x7b2/0xa10 [10038.495207][ T10] ___sys_sendmsg+0xee/0x170 [10038.495207][ T10] __sys_sendmsg+0xcd/0x170 [10038.495207][ T10] do_syscall_64+0xc6/0x1e0 [10038.495207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10038.495207][ T10] [10038.497387][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10038.497387][ T10] netdev_get_by_index+0x5e/0x80 [10038.497387][ T10] fib6_nh_init+0x3d8/0x1580 [10038.497387][ T10] ip6_route_info_create+0xf18/0x17d0 [10038.497387][ T10] addrconf_f6i_alloc+0x315/0x560 [10038.497387][ T10] ipv6_add_addr+0x411/0x2000 [10038.497387][ T10] inet6_addr_add+0x30e/0xa40 [10038.497387][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10038.497387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10038.497387][ T10] netlink_rcv_skb+0x130/0x360 [10038.497387][ T10] netlink_unicast+0x449/0x710 [10038.497387][ T10] netlink_sendmsg+0x723/0xbe0 [10038.497387][ T10] ____sys_sendmsg+0x7b2/0xa10 [10038.497387][ T10] ___sys_sendmsg+0xee/0x170 [10038.497387][ T10] __sys_sendmsg+0xcd/0x170 [10038.497387][ T10] do_syscall_64+0xc6/0x1e0 [10038.497387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10038.497387][ T10] [10038.499615][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10038.499615][ T10] netdev_get_by_index+0x5e/0x80 [10038.499615][ T10] fib6_nh_init+0x3d8/0x1580 [10038.499615][ T10] ip6_route_info_create+0xf18/0x17d0 [10038.499615][ T10] ip6_route_add+0x1c/0x140 [10038.499615][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10038.499615][ T10] addrconf_add_dev+0xe2/0x170 [10038.499615][ T10] inet6_addr_add+0x12f/0xa40 [10038.499615][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10038.499615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10038.499615][ T10] netlink_rcv_skb+0x130/0x360 [10038.499615][ T10] netlink_unicast+0x449/0x710 [10038.499615][ T10] netlink_sendmsg+0x723/0xbe0 [10038.499615][ T10] ____sys_sendmsg+0x7b2/0xa10 [10038.499615][ T10] ___sys_sendmsg+0xee/0x170 [10038.499615][ T10] __sys_sendmsg+0xcd/0x170 [10038.499615][ T10] do_syscall_64+0xc6/0x1e0 [10038.499615][ T10] [10038.501813][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10038.501813][ T10] ipv6_add_dev+0x3ba/0x11c0 [10038.501813][ T10] ipv6_find_idev+0x102/0x170 [10038.501813][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10038.501813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10038.501813][ T10] netlink_rcv_skb+0x130/0x360 [10038.501813][ T10] netlink_unicast+0x449/0x710 [10038.501813][ T10] netlink_sendmsg+0x723/0xbe0 [10038.501813][ T10] ____sys_sendmsg+0x7b2/0xa10 [10038.501813][ T10] ___sys_sendmsg+0xee/0x170 [10038.501813][ T10] __sys_sendmsg+0xcd/0x170 [10038.501813][ T10] do_syscall_64+0xc6/0x1e0 [10038.501813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10038.501813][ T10] [10038.503538][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10038.503538][ T10] neigh_parms_alloc+0x1e5/0x510 [10038.503538][ T10] ipv6_add_dev+0x2fe/0x11c0 [10038.503538][ T10] ipv6_find_idev+0x102/0x170 [10038.503538][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10038.503538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10038.503538][ T10] netlink_rcv_skb+0x130/0x360 [10038.503538][ T10] netlink_unicast+0x449/0x710 [10038.503538][ T10] netlink_sendmsg+0x723/0xbe0 [10038.503538][ T10] ____sys_sendmsg+0x7b2/0xa10 [10038.503538][ T10] ___sys_sendmsg+0xee/0x170 [10038.503538][ T10] __sys_sendmsg+0xcd/0x170 [10038.503538][ T10] do_syscall_64+0xc6/0x1e0 [10038.503538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10038.503538][ T10] [10039.993112][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10039.993554][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10039.993554][ T1167] dst_init+0x84/0x4a0 [10039.993554][ T1167] dst_alloc+0x97/0x150 [10039.993554][ T1167] ip6_dst_alloc+0x23/0x90 [10039.993554][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10039.993554][ T1167] ip6_pol_route+0x56f/0x840 [10039.993554][ T1167] fib6_rule_lookup+0x334/0x630 [10039.993554][ T1167] ip6_route_output_flags+0x259/0x480 [10039.993554][ T1167] inet6_rtm_getroute+0x980/0xf70 [10039.993554][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10039.993554][ T1167] netlink_rcv_skb+0x130/0x360 [10039.993554][ T1167] netlink_unicast+0x449/0x710 [10039.993554][ T1167] netlink_sendmsg+0x723/0xbe0 [10039.993554][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10039.993554][ T1167] ___sys_sendmsg+0xee/0x170 [10039.993554][ T1167] __sys_sendmsg+0xcd/0x170 [10039.993554][ T1167] do_syscall_64+0xc6/0x1e0 [10039.993554][ T1167] [10039.995777][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10039.995777][ T1167] netdev_get_by_index+0x5e/0x80 [10039.995777][ T1167] fib6_nh_init+0x3d8/0x1580 [10039.995777][ T1167] ip6_route_info_create+0xf18/0x17d0 [10039.995777][ T1167] addrconf_f6i_alloc+0x265/0x560 [10039.995777][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10039.995777][ T1167] addrconf_join_anycast+0x1c0/0x220 [10039.995777][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10039.995777][ T1167] addrconf_dad_completed+0x12b/0xe20 [10039.995777][ T1167] addrconf_dad_begin+0x310/0x670 [10039.995777][ T1167] addrconf_dad_work+0x10b/0xab0 [10039.995777][ T1167] process_one_work+0x84d/0x18a0 [10039.995777][ T1167] worker_thread+0x587/0xd30 [10039.995777][ T1167] kthread+0x28a/0x350 [10039.995777][ T1167] ret_from_fork+0x31/0x70 [10039.995777][ T1167] ret_from_fork_asm+0x1a/0x30 [10039.995777][ T1167] [10039.997967][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10039.997967][ T1167] netdev_get_by_index+0x5e/0x80 [10039.997967][ T1167] fib6_nh_init+0x3d8/0x1580 [10039.997967][ T1167] ip6_route_info_create+0xf18/0x17d0 [10039.997967][ T1167] ip6_route_add+0x1c/0x140 [10039.997967][ T1167] addrconf_prefix_route+0x2a6/0x430 [10039.997967][ T1167] inet6_addr_add+0x4f8/0xa40 [10039.997967][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10039.997967][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10039.997967][ T1167] netlink_rcv_skb+0x130/0x360 [10039.997967][ T1167] netlink_unicast+0x449/0x710 [10039.997967][ T1167] netlink_sendmsg+0x723/0xbe0 [10039.997967][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10039.997967][ T1167] ___sys_sendmsg+0xee/0x170 [10039.997967][ T1167] __sys_sendmsg+0xcd/0x170 [10039.997967][ T1167] do_syscall_64+0xc6/0x1e0 [10039.997967][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10039.997967][ T1167] [10040.000238][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10040.000238][ T1167] netdev_get_by_index+0x5e/0x80 [10040.000238][ T1167] fib6_nh_init+0x3d8/0x1580 [10040.000238][ T1167] ip6_route_info_create+0xf18/0x17d0 [10040.000238][ T1167] addrconf_f6i_alloc+0x315/0x560 [10040.000238][ T1167] ipv6_add_addr+0x411/0x2000 [10040.000238][ T1167] inet6_addr_add+0x30e/0xa40 [10040.000238][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10040.000238][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10040.000238][ T1167] netlink_rcv_skb+0x130/0x360 [10040.000238][ T1167] netlink_unicast+0x449/0x710 [10040.000238][ T1167] netlink_sendmsg+0x723/0xbe0 [10040.000238][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10040.000238][ T1167] ___sys_sendmsg+0xee/0x170 [10040.000238][ T1167] __sys_sendmsg+0xcd/0x170 [10040.000238][ T1167] do_syscall_64+0xc6/0x1e0 [10040.000238][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10040.000238][ T1167] [10040.002519][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10040.002519][ T1167] netdev_get_by_index+0x5e/0x80 [10040.002519][ T1167] fib6_nh_init+0x3d8/0x1580 [10040.002519][ T1167] ip6_route_info_create+0xf18/0x17d0 [10040.002519][ T1167] ip6_route_add+0x1c/0x140 [10040.002519][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10040.002519][ T1167] addrconf_add_dev+0xe2/0x170 [10040.002519][ T1167] inet6_addr_add+0x12f/0xa40 [10040.002519][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10040.002519][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10040.002519][ T1167] netlink_rcv_skb+0x130/0x360 [10040.002519][ T1167] netlink_unicast+0x449/0x710 [10040.002519][ T1167] netlink_sendmsg+0x723/0xbe0 [10040.002519][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10040.002519][ T1167] ___sys_sendmsg+0xee/0x170 [10040.002519][ T1167] __sys_sendmsg+0xcd/0x170 [10040.002519][ T1167] do_syscall_64+0xc6/0x1e0 [10040.002519][ T1167] [10040.004739][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10040.004739][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10040.004739][ T1167] ipv6_find_idev+0x102/0x170 [10040.004739][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10040.004739][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10040.004739][ T1167] netlink_rcv_skb+0x130/0x360 [10040.004739][ T1167] netlink_unicast+0x449/0x710 [10040.004739][ T1167] netlink_sendmsg+0x723/0xbe0 [10040.004739][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10040.004739][ T1167] ___sys_sendmsg+0xee/0x170 [10040.004739][ T1167] __sys_sendmsg+0xcd/0x170 [10040.004739][ T1167] do_syscall_64+0xc6/0x1e0 [10040.004739][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10040.004739][ T1167] [10040.006485][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10040.006485][ T1167] neigh_parms_alloc+0x1e5/0x510 [10040.006485][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10040.006485][ T1167] ipv6_find_idev+0x102/0x170 [10040.006485][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10040.006485][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10040.006485][ T1167] netlink_rcv_skb+0x130/0x360 [10040.006485][ T1167] netlink_unicast+0x449/0x710 [10040.006485][ T1167] netlink_sendmsg+0x723/0xbe0 [10040.006485][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10040.006485][ T1167] ___sys_sendmsg+0xee/0x170 [10040.006485][ T1167] __sys_sendmsg+0xcd/0x170 [10040.006485][ T1167] do_syscall_64+0xc6/0x1e0 [10040.006485][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10040.006485][ T1167] [10048.745103][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10048.745453][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10048.745453][ T10] netdev_get_by_index+0x5e/0x80 [10048.745453][ T10] fib6_nh_init+0x3d8/0x1580 [10048.745453][ T10] ip6_route_info_create+0xf18/0x17d0 [10048.745453][ T10] addrconf_f6i_alloc+0x265/0x560 [10048.745453][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10048.745453][ T10] addrconf_join_anycast+0x1c0/0x220 [10048.745453][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10048.745453][ T10] addrconf_dad_completed+0x12b/0xe20 [10048.745453][ T10] addrconf_dad_begin+0x310/0x670 [10048.745453][ T10] addrconf_dad_work+0x10b/0xab0 [10048.745453][ T10] process_one_work+0x84d/0x18a0 [10048.745453][ T10] worker_thread+0x587/0xd30 [10048.745453][ T10] kthread+0x28a/0x350 [10048.745453][ T10] ret_from_fork+0x31/0x70 [10048.745453][ T10] ret_from_fork_asm+0x1a/0x30 [10048.745453][ T10] [10048.747387][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10048.747387][ T10] netdev_get_by_index+0x5e/0x80 [10048.747387][ T10] fib6_nh_init+0x3d8/0x1580 [10048.747387][ T10] ip6_route_info_create+0xf18/0x17d0 [10048.747387][ T10] ip6_route_add+0x1c/0x140 [10048.747387][ T10] addrconf_prefix_route+0x2a6/0x430 [10048.747387][ T10] inet6_addr_add+0x4f8/0xa40 [10048.747387][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10048.747387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10048.747387][ T10] netlink_rcv_skb+0x130/0x360 [10048.747387][ T10] netlink_unicast+0x449/0x710 [10048.747387][ T10] netlink_sendmsg+0x723/0xbe0 [10048.747387][ T10] ____sys_sendmsg+0x7b2/0xa10 [10048.747387][ T10] ___sys_sendmsg+0xee/0x170 [10048.747387][ T10] __sys_sendmsg+0xcd/0x170 [10048.747387][ T10] do_syscall_64+0xc6/0x1e0 [10048.747387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10048.747387][ T10] [10048.749395][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10048.749395][ T10] netdev_get_by_index+0x5e/0x80 [10048.749395][ T10] fib6_nh_init+0x3d8/0x1580 [10048.749395][ T10] ip6_route_info_create+0xf18/0x17d0 [10048.749395][ T10] addrconf_f6i_alloc+0x315/0x560 [10048.749395][ T10] ipv6_add_addr+0x411/0x2000 [10048.749395][ T10] inet6_addr_add+0x30e/0xa40 [10048.749395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10048.749395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10048.749395][ T10] netlink_rcv_skb+0x130/0x360 [10048.749395][ T10] netlink_unicast+0x449/0x710 [10048.749395][ T10] netlink_sendmsg+0x723/0xbe0 [10048.749395][ T10] ____sys_sendmsg+0x7b2/0xa10 [10048.749395][ T10] ___sys_sendmsg+0xee/0x170 [10048.749395][ T10] __sys_sendmsg+0xcd/0x170 [10048.749395][ T10] do_syscall_64+0xc6/0x1e0 [10048.749395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10048.749395][ T10] [10048.751414][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10048.751414][ T10] netdev_get_by_index+0x5e/0x80 [10048.751414][ T10] fib6_nh_init+0x3d8/0x1580 [10048.751414][ T10] ip6_route_info_create+0xf18/0x17d0 [10048.751414][ T10] ip6_route_add+0x1c/0x140 [10048.751414][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10048.751414][ T10] addrconf_add_dev+0xe2/0x170 [10048.751414][ T10] inet6_addr_add+0x12f/0xa40 [10048.751414][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10048.751414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10048.751414][ T10] netlink_rcv_skb+0x130/0x360 [10048.751414][ T10] netlink_unicast+0x449/0x710 [10048.751414][ T10] netlink_sendmsg+0x723/0xbe0 [10048.751414][ T10] ____sys_sendmsg+0x7b2/0xa10 [10048.751414][ T10] ___sys_sendmsg+0xee/0x170 [10048.751414][ T10] __sys_sendmsg+0xcd/0x170 [10048.751414][ T10] do_syscall_64+0xc6/0x1e0 [10048.751414][ T10] [10048.753377][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10048.753377][ T10] ipv6_add_dev+0x3ba/0x11c0 [10048.753377][ T10] ipv6_find_idev+0x102/0x170 [10048.753377][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10048.753377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10048.753377][ T10] netlink_rcv_skb+0x130/0x360 [10048.753377][ T10] netlink_unicast+0x449/0x710 [10048.753377][ T10] netlink_sendmsg+0x723/0xbe0 [10048.753377][ T10] ____sys_sendmsg+0x7b2/0xa10 [10048.753377][ T10] ___sys_sendmsg+0xee/0x170 [10048.753377][ T10] __sys_sendmsg+0xcd/0x170 [10048.753377][ T10] do_syscall_64+0xc6/0x1e0 [10048.753377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10048.753377][ T10] [10048.754918][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10048.754918][ T10] neigh_parms_alloc+0x1e5/0x510 [10048.754918][ T10] ipv6_add_dev+0x2fe/0x11c0 [10048.754918][ T10] ipv6_find_idev+0x102/0x170 [10048.754918][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10048.754918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10048.754918][ T10] netlink_rcv_skb+0x130/0x360 [10048.754918][ T10] netlink_unicast+0x449/0x710 [10048.754918][ T10] netlink_sendmsg+0x723/0xbe0 [10048.754918][ T10] ____sys_sendmsg+0x7b2/0xa10 [10048.754918][ T10] ___sys_sendmsg+0xee/0x170 [10048.754918][ T10] __sys_sendmsg+0xcd/0x170 [10048.754918][ T10] do_syscall_64+0xc6/0x1e0 [10048.754918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10048.754918][ T10] [10048.756607][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10048.756849][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10048.756849][ T10] netdev_get_by_index+0x5e/0x80 [10048.756849][ T10] fib6_nh_init+0x3d8/0x1580 [10048.756849][ T10] ip6_route_info_create+0xf18/0x17d0 [10048.756849][ T10] addrconf_f6i_alloc+0x265/0x560 [10048.756849][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10048.756849][ T10] addrconf_join_anycast+0x1c0/0x220 [10048.756849][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10048.756849][ T10] addrconf_dad_completed+0x12b/0xe20 [10048.756849][ T10] addrconf_dad_begin+0x310/0x670 [10048.756849][ T10] addrconf_dad_work+0x10b/0xab0 [10048.756849][ T10] process_one_work+0x84d/0x18a0 [10048.756849][ T10] worker_thread+0x587/0xd30 [10048.756849][ T10] kthread+0x28a/0x350 [10048.756849][ T10] ret_from_fork+0x31/0x70 [10048.756849][ T10] ret_from_fork_asm+0x1a/0x30 [10048.756849][ T10] [10048.758743][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10048.758743][ T10] netdev_get_by_index+0x5e/0x80 [10048.758743][ T10] fib6_nh_init+0x3d8/0x1580 [10048.758743][ T10] ip6_route_info_create+0xf18/0x17d0 [10048.758743][ T10] ip6_route_add+0x1c/0x140 [10048.758743][ T10] addrconf_prefix_route+0x2a6/0x430 [10048.758743][ T10] inet6_addr_add+0x4f8/0xa40 [10048.758743][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10048.758743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10048.758743][ T10] netlink_rcv_skb+0x130/0x360 [10048.758743][ T10] netlink_unicast+0x449/0x710 [10048.758743][ T10] netlink_sendmsg+0x723/0xbe0 [10048.758743][ T10] ____sys_sendmsg+0x7b2/0xa10 [10048.758743][ T10] ___sys_sendmsg+0xee/0x170 [10048.758743][ T10] __sys_sendmsg+0xcd/0x170 [10048.758743][ T10] do_syscall_64+0xc6/0x1e0 [10048.758743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10048.758743][ T10] [10048.760741][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10048.760741][ T10] netdev_get_by_index+0x5e/0x80 [10048.760741][ T10] fib6_nh_init+0x3d8/0x1580 [10048.760741][ T10] ip6_route_info_create+0xf18/0x17d0 [10048.760741][ T10] addrconf_f6i_alloc+0x315/0x560 [10048.760741][ T10] ipv6_add_addr+0x411/0x2000 [10048.760741][ T10] inet6_addr_add+0x30e/0xa40 [10048.760741][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10048.760741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10048.760741][ T10] netlink_rcv_skb+0x130/0x360 [10048.760741][ T10] netlink_unicast+0x449/0x710 [10048.760741][ T10] netlink_sendmsg+0x723/0xbe0 [10048.760741][ T10] ____sys_sendmsg+0x7b2/0xa10 [10048.760741][ T10] ___sys_sendmsg+0xee/0x170 [10048.760741][ T10] __sys_sendmsg+0xcd/0x170 [10048.760741][ T10] do_syscall_64+0xc6/0x1e0 [10048.760741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10048.760741][ T10] [10048.762746][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10048.762746][ T10] netdev_get_by_index+0x5e/0x80 [10048.762746][ T10] fib6_nh_init+0x3d8/0x1580 [10048.762746][ T10] ip6_route_info_create+0xf18/0x17d0 [10048.762746][ T10] ip6_route_add+0x1c/0x140 [10048.762746][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10048.762746][ T10] addrconf_add_dev+0xe2/0x170 [10048.762746][ T10] inet6_addr_add+0x12f/0xa40 [10048.762746][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10048.762746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10048.762746][ T10] netlink_rcv_skb+0x130/0x360 [10048.762746][ T10] netlink_unicast+0x449/0x710 [10048.762746][ T10] netlink_sendmsg+0x723/0xbe0 [10048.762746][ T10] ____sys_sendmsg+0x7b2/0xa10 [10048.762746][ T10] ___sys_sendmsg+0xee/0x170 [10048.762746][ T10] __sys_sendmsg+0xcd/0x170 [10048.762746][ T10] do_syscall_64+0xc6/0x1e0 [10048.762746][ T10] [10048.764710][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10048.764710][ T10] ipv6_add_dev+0x3ba/0x11c0 [10048.764710][ T10] ipv6_find_idev+0x102/0x170 [10048.764710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10048.764710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10048.764710][ T10] netlink_rcv_skb+0x130/0x360 [10048.764710][ T10] netlink_unicast+0x449/0x710 [10048.764710][ T10] netlink_sendmsg+0x723/0xbe0 [10048.764710][ T10] ____sys_sendmsg+0x7b2/0xa10 [10048.764710][ T10] ___sys_sendmsg+0xee/0x170 [10048.764710][ T10] __sys_sendmsg+0xcd/0x170 [10048.764710][ T10] do_syscall_64+0xc6/0x1e0 [10048.764710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10048.764710][ T10] [10048.766242][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10048.766242][ T10] neigh_parms_alloc+0x1e5/0x510 [10048.766242][ T10] ipv6_add_dev+0x2fe/0x11c0 [10048.766242][ T10] ipv6_find_idev+0x102/0x170 [10048.766242][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10048.766242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10048.766242][ T10] netlink_rcv_skb+0x130/0x360 [10048.766242][ T10] netlink_unicast+0x449/0x710 [10048.766242][ T10] netlink_sendmsg+0x723/0xbe0 [10048.766242][ T10] ____sys_sendmsg+0x7b2/0xa10 [10048.766242][ T10] ___sys_sendmsg+0xee/0x170 [10048.766242][ T10] __sys_sendmsg+0xcd/0x170 [10048.766242][ T10] do_syscall_64+0xc6/0x1e0 [10048.766242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10048.766242][ T10] [10048.767911][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10048.768154][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10048.768154][ T10] netdev_get_by_index+0x5e/0x80 [10048.768154][ T10] fib6_nh_init+0x3d8/0x1580 [10048.768154][ T10] ip6_route_info_create+0xf18/0x17d0 [10048.768154][ T10] addrconf_f6i_alloc+0x265/0x560 [10048.768154][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10048.768154][ T10] addrconf_join_anycast+0x1c0/0x220 [10048.768154][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10048.768154][ T10] addrconf_dad_completed+0x12b/0xe20 [10048.768154][ T10] addrconf_dad_begin+0x310/0x670 [10048.768154][ T10] addrconf_dad_work+0x10b/0xab0 [10048.768154][ T10] process_one_work+0x84d/0x18a0 [10048.768154][ T10] worker_thread+0x587/0xd30 [10048.768154][ T10] kthread+0x28a/0x350 [10048.768154][ T10] ret_from_fork+0x31/0x70 [10048.768154][ T10] ret_from_fork_asm+0x1a/0x30 [10048.768154][ T10] [10048.770060][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10048.770060][ T10] netdev_get_by_index+0x5e/0x80 [10048.770060][ T10] fib6_nh_init+0x3d8/0x1580 [10048.770060][ T10] ip6_route_info_create+0xf18/0x17d0 [10048.770060][ T10] ip6_route_add+0x1c/0x140 [10048.770060][ T10] addrconf_prefix_route+0x2a6/0x430 [10048.770060][ T10] inet6_addr_add+0x4f8/0xa40 [10048.770060][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10048.770060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10048.770060][ T10] netlink_rcv_skb+0x130/0x360 [10048.770060][ T10] netlink_unicast+0x449/0x710 [10048.770060][ T10] netlink_sendmsg+0x723/0xbe0 [10048.770060][ T10] ____sys_sendmsg+0x7b2/0xa10 [10048.770060][ T10] ___sys_sendmsg+0xee/0x170 [10048.770060][ T10] __sys_sendmsg+0xcd/0x170 [10048.770060][ T10] do_syscall_64+0xc6/0x1e0 [10048.770060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10048.770060][ T10] [10048.772239][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10048.772239][ T10] netdev_get_by_index+0x5e/0x80 [10048.772239][ T10] fib6_nh_init+0x3d8/0x1580 [10048.772239][ T10] ip6_route_info_create+0xf18/0x17d0 [10048.772239][ T10] addrconf_f6i_alloc+0x315/0x560 [10048.772239][ T10] ipv6_add_addr+0x411/0x2000 [10048.772239][ T10] inet6_addr_add+0x30e/0xa40 [10048.772239][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10048.772239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10048.772239][ T10] netlink_rcv_skb+0x130/0x360 [10048.772239][ T10] netlink_unicast+0x449/0x710 [10048.772239][ T10] netlink_sendmsg+0x723/0xbe0 [10048.772239][ T10] ____sys_sendmsg+0x7b2/0xa10 [10048.772239][ T10] ___sys_sendmsg+0xee/0x170 [10048.772239][ T10] __sys_sendmsg+0xcd/0x170 [10048.772239][ T10] do_syscall_64+0xc6/0x1e0 [10048.772239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10048.772239][ T10] [10048.774534][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10048.774534][ T10] netdev_get_by_index+0x5e/0x80 [10048.774534][ T10] fib6_nh_init+0x3d8/0x1580 [10048.774534][ T10] ip6_route_info_create+0xf18/0x17d0 [10048.774534][ T10] ip6_route_add+0x1c/0x140 [10048.774534][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10048.774534][ T10] addrconf_add_dev+0xe2/0x170 [10048.774534][ T10] inet6_addr_add+0x12f/0xa40 [10048.774534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10048.774534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10048.774534][ T10] netlink_rcv_skb+0x130/0x360 [10048.774534][ T10] netlink_unicast+0x449/0x710 [10048.774534][ T10] netlink_sendmsg+0x723/0xbe0 [10048.774534][ T10] ____sys_sendmsg+0x7b2/0xa10 [10048.774534][ T10] ___sys_sendmsg+0xee/0x170 [10048.774534][ T10] __sys_sendmsg+0xcd/0x170 [10048.774534][ T10] do_syscall_64+0xc6/0x1e0 [10048.774534][ T10] [10048.776672][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10048.776672][ T10] ipv6_add_dev+0x3ba/0x11c0 [10048.776672][ T10] ipv6_find_idev+0x102/0x170 [10048.776672][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10048.776672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10048.776672][ T10] netlink_rcv_skb+0x130/0x360 [10048.776672][ T10] netlink_unicast+0x449/0x710 [10048.776672][ T10] netlink_sendmsg+0x723/0xbe0 [10048.776672][ T10] ____sys_sendmsg+0x7b2/0xa10 [10048.776672][ T10] ___sys_sendmsg+0xee/0x170 [10048.776672][ T10] __sys_sendmsg+0xcd/0x170 [10048.776672][ T10] do_syscall_64+0xc6/0x1e0 [10048.776672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10048.776672][ T10] [10048.778381][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10048.778381][ T10] neigh_parms_alloc+0x1e5/0x510 [10048.778381][ T10] ipv6_add_dev+0x2fe/0x11c0 [10048.778381][ T10] ipv6_find_idev+0x102/0x170 [10048.778381][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10048.778381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10048.778381][ T10] netlink_rcv_skb+0x130/0x360 [10048.778381][ T10] netlink_unicast+0x449/0x710 [10048.778381][ T10] netlink_sendmsg+0x723/0xbe0 [10048.778381][ T10] ____sys_sendmsg+0x7b2/0xa10 [10048.778381][ T10] ___sys_sendmsg+0xee/0x170 [10048.778381][ T10] __sys_sendmsg+0xcd/0x170 [10048.778381][ T10] do_syscall_64+0xc6/0x1e0 [10048.778381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10048.778381][ T10] [10048.780252][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10048.780487][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10048.780487][ T10] netdev_get_by_index+0x5e/0x80 [10048.780487][ T10] fib6_nh_init+0x3d8/0x1580 [10048.780487][ T10] ip6_route_info_create+0xf18/0x17d0 [10048.780487][ T10] addrconf_f6i_alloc+0x265/0x560 [10048.780487][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10048.780487][ T10] addrconf_join_anycast+0x1c0/0x220 [10048.780487][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10048.780487][ T10] addrconf_dad_completed+0x12b/0xe20 [10048.780487][ T10] addrconf_dad_begin+0x310/0x670 [10048.780487][ T10] addrconf_dad_work+0x10b/0xab0 [10048.780487][ T10] process_one_work+0x84d/0x18a0 [10048.780487][ T10] worker_thread+0x587/0xd30 [10048.780487][ T10] kthread+0x28a/0x350 [10048.780487][ T10] ret_from_fork+0x31/0x70 [10048.780487][ T10] ret_from_fork_asm+0x1a/0x30 [10048.780487][ T10] [10048.782699][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10048.782699][ T10] netdev_get_by_index+0x5e/0x80 [10048.782699][ T10] fib6_nh_init+0x3d8/0x1580 [10048.782699][ T10] ip6_route_info_create+0xf18/0x17d0 [10048.782699][ T10] ip6_route_add+0x1c/0x140 [10048.782699][ T10] addrconf_prefix_route+0x2a6/0x430 [10048.782699][ T10] inet6_addr_add+0x4f8/0xa40 [10048.782699][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10048.782699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10048.782699][ T10] netlink_rcv_skb+0x130/0x360 [10048.782699][ T10] netlink_unicast+0x449/0x710 [10048.782699][ T10] netlink_sendmsg+0x723/0xbe0 [10048.782699][ T10] ____sys_sendmsg+0x7b2/0xa10 [10048.782699][ T10] ___sys_sendmsg+0xee/0x170 [10048.782699][ T10] __sys_sendmsg+0xcd/0x170 [10048.782699][ T10] do_syscall_64+0xc6/0x1e0 [10048.782699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10048.782699][ T10] [10048.784860][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10048.784860][ T10] netdev_get_by_index+0x5e/0x80 [10048.784860][ T10] fib6_nh_init+0x3d8/0x1580 [10048.784860][ T10] ip6_route_info_create+0xf18/0x17d0 [10048.784860][ T10] addrconf_f6i_alloc+0x315/0x560 [10048.784860][ T10] ipv6_add_addr+0x411/0x2000 [10048.784860][ T10] inet6_addr_add+0x30e/0xa40 [10048.784860][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10048.784860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10048.784860][ T10] netlink_rcv_skb+0x130/0x360 [10048.784860][ T10] netlink_unicast+0x449/0x710 [10048.784860][ T10] netlink_sendmsg+0x723/0xbe0 [10048.784860][ T10] ____sys_sendmsg+0x7b2/0xa10 [10048.784860][ T10] ___sys_sendmsg+0xee/0x170 [10048.784860][ T10] __sys_sendmsg+0xcd/0x170 [10048.784860][ T10] do_syscall_64+0xc6/0x1e0 [10048.784860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10048.784860][ T10] [10048.787105][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10048.787105][ T10] netdev_get_by_index+0x5e/0x80 [10048.787105][ T10] fib6_nh_init+0x3d8/0x1580 [10048.787105][ T10] ip6_route_info_create+0xf18/0x17d0 [10048.787105][ T10] ip6_route_add+0x1c/0x140 [10048.787105][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10048.787105][ T10] addrconf_add_dev+0xe2/0x170 [10048.787105][ T10] inet6_addr_add+0x12f/0xa40 [10048.787105][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10048.787105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10048.787105][ T10] netlink_rcv_skb+0x130/0x360 [10048.787105][ T10] netlink_unicast+0x449/0x710 [10048.787105][ T10] netlink_sendmsg+0x723/0xbe0 [10048.787105][ T10] ____sys_sendmsg+0x7b2/0xa10 [10048.787105][ T10] ___sys_sendmsg+0xee/0x170 [10048.787105][ T10] __sys_sendmsg+0xcd/0x170 [10048.787105][ T10] do_syscall_64+0xc6/0x1e0 [10048.787105][ T10] [10048.789305][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10048.789305][ T10] ipv6_add_dev+0x3ba/0x11c0 [10048.789305][ T10] ipv6_find_idev+0x102/0x170 [10048.789305][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10048.789305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10048.789305][ T10] netlink_rcv_skb+0x130/0x360 [10048.789305][ T10] netlink_unicast+0x449/0x710 [10048.789305][ T10] netlink_sendmsg+0x723/0xbe0 [10048.789305][ T10] ____sys_sendmsg+0x7b2/0xa10 [10048.789305][ T10] ___sys_sendmsg+0xee/0x170 [10048.789305][ T10] __sys_sendmsg+0xcd/0x170 [10048.789305][ T10] do_syscall_64+0xc6/0x1e0 [10048.789305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10048.789305][ T10] [10048.791018][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10048.791018][ T10] neigh_parms_alloc+0x1e5/0x510 [10048.791018][ T10] ipv6_add_dev+0x2fe/0x11c0 [10048.791018][ T10] ipv6_find_idev+0x102/0x170 [10048.791018][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10048.791018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10048.791018][ T10] netlink_rcv_skb+0x130/0x360 [10048.791018][ T10] netlink_unicast+0x449/0x710 [10048.791018][ T10] netlink_sendmsg+0x723/0xbe0 [10048.791018][ T10] ____sys_sendmsg+0x7b2/0xa10 [10048.791018][ T10] ___sys_sendmsg+0xee/0x170 [10048.791018][ T10] __sys_sendmsg+0xcd/0x170 [10048.791018][ T10] do_syscall_64+0xc6/0x1e0 [10048.791018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10048.791018][ T10] [10050.249039][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10050.249456][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10050.249456][ T1167] dst_init+0x84/0x4a0 [10050.249456][ T1167] dst_alloc+0x97/0x150 [10050.249456][ T1167] ip6_dst_alloc+0x23/0x90 [10050.249456][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10050.249456][ T1167] ip6_pol_route+0x56f/0x840 [10050.249456][ T1167] fib6_rule_lookup+0x334/0x630 [10050.249456][ T1167] ip6_route_output_flags+0x259/0x480 [10050.249456][ T1167] inet6_rtm_getroute+0x980/0xf70 [10050.249456][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10050.249456][ T1167] netlink_rcv_skb+0x130/0x360 [10050.249456][ T1167] netlink_unicast+0x449/0x710 [10050.249456][ T1167] netlink_sendmsg+0x723/0xbe0 [10050.249456][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10050.249456][ T1167] ___sys_sendmsg+0xee/0x170 [10050.249456][ T1167] __sys_sendmsg+0xcd/0x170 [10050.249456][ T1167] do_syscall_64+0xc6/0x1e0 [10050.249456][ T1167] [10050.251687][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10050.251687][ T1167] netdev_get_by_index+0x5e/0x80 [10050.251687][ T1167] fib6_nh_init+0x3d8/0x1580 [10050.251687][ T1167] ip6_route_info_create+0xf18/0x17d0 [10050.251687][ T1167] addrconf_f6i_alloc+0x265/0x560 [10050.251687][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10050.251687][ T1167] addrconf_join_anycast+0x1c0/0x220 [10050.251687][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10050.251687][ T1167] addrconf_dad_completed+0x12b/0xe20 [10050.251687][ T1167] addrconf_dad_begin+0x310/0x670 [10050.251687][ T1167] addrconf_dad_work+0x10b/0xab0 [10050.251687][ T1167] process_one_work+0x84d/0x18a0 [10050.251687][ T1167] worker_thread+0x587/0xd30 [10050.251687][ T1167] kthread+0x28a/0x350 [10050.251687][ T1167] ret_from_fork+0x31/0x70 [10050.251687][ T1167] ret_from_fork_asm+0x1a/0x30 [10050.251687][ T1167] [10050.253851][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10050.253851][ T1167] netdev_get_by_index+0x5e/0x80 [10050.253851][ T1167] fib6_nh_init+0x3d8/0x1580 [10050.253851][ T1167] ip6_route_info_create+0xf18/0x17d0 [10050.253851][ T1167] ip6_route_add+0x1c/0x140 [10050.253851][ T1167] addrconf_prefix_route+0x2a6/0x430 [10050.253851][ T1167] inet6_addr_add+0x4f8/0xa40 [10050.253851][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10050.253851][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10050.253851][ T1167] netlink_rcv_skb+0x130/0x360 [10050.253851][ T1167] netlink_unicast+0x449/0x710 [10050.253851][ T1167] netlink_sendmsg+0x723/0xbe0 [10050.253851][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10050.253851][ T1167] ___sys_sendmsg+0xee/0x170 [10050.253851][ T1167] __sys_sendmsg+0xcd/0x170 [10050.253851][ T1167] do_syscall_64+0xc6/0x1e0 [10050.253851][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10050.253851][ T1167] [10050.256158][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10050.256158][ T1167] netdev_get_by_index+0x5e/0x80 [10050.256158][ T1167] fib6_nh_init+0x3d8/0x1580 [10050.256158][ T1167] ip6_route_info_create+0xf18/0x17d0 [10050.256158][ T1167] addrconf_f6i_alloc+0x315/0x560 [10050.256158][ T1167] ipv6_add_addr+0x411/0x2000 [10050.256158][ T1167] inet6_addr_add+0x30e/0xa40 [10050.256158][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10050.256158][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10050.256158][ T1167] netlink_rcv_skb+0x130/0x360 [10050.256158][ T1167] netlink_unicast+0x449/0x710 [10050.256158][ T1167] netlink_sendmsg+0x723/0xbe0 [10050.256158][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10050.256158][ T1167] ___sys_sendmsg+0xee/0x170 [10050.256158][ T1167] __sys_sendmsg+0xcd/0x170 [10050.256158][ T1167] do_syscall_64+0xc6/0x1e0 [10050.256158][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10050.256158][ T1167] [10050.258426][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10050.258426][ T1167] netdev_get_by_index+0x5e/0x80 [10050.258426][ T1167] fib6_nh_init+0x3d8/0x1580 [10050.258426][ T1167] ip6_route_info_create+0xf18/0x17d0 [10050.258426][ T1167] ip6_route_add+0x1c/0x140 [10050.258426][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10050.258426][ T1167] addrconf_add_dev+0xe2/0x170 [10050.258426][ T1167] inet6_addr_add+0x12f/0xa40 [10050.258426][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10050.258426][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10050.258426][ T1167] netlink_rcv_skb+0x130/0x360 [10050.258426][ T1167] netlink_unicast+0x449/0x710 [10050.258426][ T1167] netlink_sendmsg+0x723/0xbe0 [10050.258426][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10050.258426][ T1167] ___sys_sendmsg+0xee/0x170 [10050.258426][ T1167] __sys_sendmsg+0xcd/0x170 [10050.258426][ T1167] do_syscall_64+0xc6/0x1e0 [10050.258426][ T1167] [10050.260647][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10050.260647][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10050.260647][ T1167] ipv6_find_idev+0x102/0x170 [10050.260647][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10050.260647][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10050.260647][ T1167] netlink_rcv_skb+0x130/0x360 [10050.260647][ T1167] netlink_unicast+0x449/0x710 [10050.260647][ T1167] netlink_sendmsg+0x723/0xbe0 [10050.260647][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10050.260647][ T1167] ___sys_sendmsg+0xee/0x170 [10050.260647][ T1167] __sys_sendmsg+0xcd/0x170 [10050.260647][ T1167] do_syscall_64+0xc6/0x1e0 [10050.260647][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10050.260647][ T1167] [10050.262398][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10050.262398][ T1167] neigh_parms_alloc+0x1e5/0x510 [10050.262398][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10050.262398][ T1167] ipv6_find_idev+0x102/0x170 [10050.262398][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10050.262398][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10050.262398][ T1167] netlink_rcv_skb+0x130/0x360 [10050.262398][ T1167] netlink_unicast+0x449/0x710 [10050.262398][ T1167] netlink_sendmsg+0x723/0xbe0 [10050.262398][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10050.262398][ T1167] ___sys_sendmsg+0xee/0x170 [10050.262398][ T1167] __sys_sendmsg+0xcd/0x170 [10050.262398][ T1167] do_syscall_64+0xc6/0x1e0 [10050.262398][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10050.262398][ T1167] [10059.049113][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10059.049475][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10059.049475][ T10] netdev_get_by_index+0x5e/0x80 [10059.049475][ T10] fib6_nh_init+0x3d8/0x1580 [10059.049475][ T10] ip6_route_info_create+0xf18/0x17d0 [10059.049475][ T10] addrconf_f6i_alloc+0x265/0x560 [10059.049475][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10059.049475][ T10] addrconf_join_anycast+0x1c0/0x220 [10059.049475][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10059.049475][ T10] addrconf_dad_completed+0x12b/0xe20 [10059.049475][ T10] addrconf_dad_begin+0x310/0x670 [10059.049475][ T10] addrconf_dad_work+0x10b/0xab0 [10059.049475][ T10] process_one_work+0x84d/0x18a0 [10059.049475][ T10] worker_thread+0x587/0xd30 [10059.049475][ T10] kthread+0x28a/0x350 [10059.049475][ T10] ret_from_fork+0x31/0x70 [10059.049475][ T10] ret_from_fork_asm+0x1a/0x30 [10059.049475][ T10] [10059.051414][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10059.051414][ T10] netdev_get_by_index+0x5e/0x80 [10059.051414][ T10] fib6_nh_init+0x3d8/0x1580 [10059.051414][ T10] ip6_route_info_create+0xf18/0x17d0 [10059.051414][ T10] ip6_route_add+0x1c/0x140 [10059.051414][ T10] addrconf_prefix_route+0x2a6/0x430 [10059.051414][ T10] inet6_addr_add+0x4f8/0xa40 [10059.051414][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10059.051414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10059.051414][ T10] netlink_rcv_skb+0x130/0x360 [10059.051414][ T10] netlink_unicast+0x449/0x710 [10059.051414][ T10] netlink_sendmsg+0x723/0xbe0 [10059.051414][ T10] ____sys_sendmsg+0x7b2/0xa10 [10059.051414][ T10] ___sys_sendmsg+0xee/0x170 [10059.051414][ T10] __sys_sendmsg+0xcd/0x170 [10059.051414][ T10] do_syscall_64+0xc6/0x1e0 [10059.051414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10059.051414][ T10] [10059.053411][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10059.053411][ T10] netdev_get_by_index+0x5e/0x80 [10059.053411][ T10] fib6_nh_init+0x3d8/0x1580 [10059.053411][ T10] ip6_route_info_create+0xf18/0x17d0 [10059.053411][ T10] addrconf_f6i_alloc+0x315/0x560 [10059.053411][ T10] ipv6_add_addr+0x411/0x2000 [10059.053411][ T10] inet6_addr_add+0x30e/0xa40 [10059.053411][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10059.053411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10059.053411][ T10] netlink_rcv_skb+0x130/0x360 [10059.053411][ T10] netlink_unicast+0x449/0x710 [10059.053411][ T10] netlink_sendmsg+0x723/0xbe0 [10059.053411][ T10] ____sys_sendmsg+0x7b2/0xa10 [10059.053411][ T10] ___sys_sendmsg+0xee/0x170 [10059.053411][ T10] __sys_sendmsg+0xcd/0x170 [10059.053411][ T10] do_syscall_64+0xc6/0x1e0 [10059.053411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10059.053411][ T10] [10059.055408][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10059.055408][ T10] netdev_get_by_index+0x5e/0x80 [10059.055408][ T10] fib6_nh_init+0x3d8/0x1580 [10059.055408][ T10] ip6_route_info_create+0xf18/0x17d0 [10059.055408][ T10] ip6_route_add+0x1c/0x140 [10059.055408][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10059.055408][ T10] addrconf_add_dev+0xe2/0x170 [10059.055408][ T10] inet6_addr_add+0x12f/0xa40 [10059.055408][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10059.055408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10059.055408][ T10] netlink_rcv_skb+0x130/0x360 [10059.055408][ T10] netlink_unicast+0x449/0x710 [10059.055408][ T10] netlink_sendmsg+0x723/0xbe0 [10059.055408][ T10] ____sys_sendmsg+0x7b2/0xa10 [10059.055408][ T10] ___sys_sendmsg+0xee/0x170 [10059.055408][ T10] __sys_sendmsg+0xcd/0x170 [10059.055408][ T10] do_syscall_64+0xc6/0x1e0 [10059.055408][ T10] [10059.057368][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10059.057368][ T10] ipv6_add_dev+0x3ba/0x11c0 [10059.057368][ T10] ipv6_find_idev+0x102/0x170 [10059.057368][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10059.057368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10059.057368][ T10] netlink_rcv_skb+0x130/0x360 [10059.057368][ T10] netlink_unicast+0x449/0x710 [10059.057368][ T10] netlink_sendmsg+0x723/0xbe0 [10059.057368][ T10] ____sys_sendmsg+0x7b2/0xa10 [10059.057368][ T10] ___sys_sendmsg+0xee/0x170 [10059.057368][ T10] __sys_sendmsg+0xcd/0x170 [10059.057368][ T10] do_syscall_64+0xc6/0x1e0 [10059.057368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10059.057368][ T10] [10059.058905][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10059.058905][ T10] neigh_parms_alloc+0x1e5/0x510 [10059.058905][ T10] ipv6_add_dev+0x2fe/0x11c0 [10059.058905][ T10] ipv6_find_idev+0x102/0x170 [10059.058905][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10059.058905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10059.058905][ T10] netlink_rcv_skb+0x130/0x360 [10059.058905][ T10] netlink_unicast+0x449/0x710 [10059.058905][ T10] netlink_sendmsg+0x723/0xbe0 [10059.058905][ T10] ____sys_sendmsg+0x7b2/0xa10 [10059.058905][ T10] ___sys_sendmsg+0xee/0x170 [10059.058905][ T10] __sys_sendmsg+0xcd/0x170 [10059.058905][ T10] do_syscall_64+0xc6/0x1e0 [10059.058905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10059.058905][ T10] [10059.060590][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10059.060827][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10059.060827][ T10] netdev_get_by_index+0x5e/0x80 [10059.060827][ T10] fib6_nh_init+0x3d8/0x1580 [10059.060827][ T10] ip6_route_info_create+0xf18/0x17d0 [10059.060827][ T10] addrconf_f6i_alloc+0x265/0x560 [10059.060827][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10059.060827][ T10] addrconf_join_anycast+0x1c0/0x220 [10059.060827][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10059.060827][ T10] addrconf_dad_completed+0x12b/0xe20 [10059.060827][ T10] addrconf_dad_begin+0x310/0x670 [10059.060827][ T10] addrconf_dad_work+0x10b/0xab0 [10059.060827][ T10] process_one_work+0x84d/0x18a0 [10059.060827][ T10] worker_thread+0x587/0xd30 [10059.060827][ T10] kthread+0x28a/0x350 [10059.060827][ T10] ret_from_fork+0x31/0x70 [10059.060827][ T10] ret_from_fork_asm+0x1a/0x30 [10059.060827][ T10] [10059.062739][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10059.062739][ T10] netdev_get_by_index+0x5e/0x80 [10059.062739][ T10] fib6_nh_init+0x3d8/0x1580 [10059.062739][ T10] ip6_route_info_create+0xf18/0x17d0 [10059.062739][ T10] ip6_route_add+0x1c/0x140 [10059.062739][ T10] addrconf_prefix_route+0x2a6/0x430 [10059.062739][ T10] inet6_addr_add+0x4f8/0xa40 [10059.062739][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10059.062739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10059.062739][ T10] netlink_rcv_skb+0x130/0x360 [10059.062739][ T10] netlink_unicast+0x449/0x710 [10059.062739][ T10] netlink_sendmsg+0x723/0xbe0 [10059.062739][ T10] ____sys_sendmsg+0x7b2/0xa10 [10059.062739][ T10] ___sys_sendmsg+0xee/0x170 [10059.062739][ T10] __sys_sendmsg+0xcd/0x170 [10059.062739][ T10] do_syscall_64+0xc6/0x1e0 [10059.062739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10059.062739][ T10] [10059.064736][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10059.064736][ T10] netdev_get_by_index+0x5e/0x80 [10059.064736][ T10] fib6_nh_init+0x3d8/0x1580 [10059.064736][ T10] ip6_route_info_create+0xf18/0x17d0 [10059.064736][ T10] addrconf_f6i_alloc+0x315/0x560 [10059.064736][ T10] ipv6_add_addr+0x411/0x2000 [10059.064736][ T10] inet6_addr_add+0x30e/0xa40 [10059.064736][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10059.064736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10059.064736][ T10] netlink_rcv_skb+0x130/0x360 [10059.064736][ T10] netlink_unicast+0x449/0x710 [10059.064736][ T10] netlink_sendmsg+0x723/0xbe0 [10059.064736][ T10] ____sys_sendmsg+0x7b2/0xa10 [10059.064736][ T10] ___sys_sendmsg+0xee/0x170 [10059.064736][ T10] __sys_sendmsg+0xcd/0x170 [10059.064736][ T10] do_syscall_64+0xc6/0x1e0 [10059.064736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10059.064736][ T10] [10059.066735][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10059.066735][ T10] netdev_get_by_index+0x5e/0x80 [10059.066735][ T10] fib6_nh_init+0x3d8/0x1580 [10059.066735][ T10] ip6_route_info_create+0xf18/0x17d0 [10059.066735][ T10] ip6_route_add+0x1c/0x140 [10059.066735][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10059.066735][ T10] addrconf_add_dev+0xe2/0x170 [10059.066735][ T10] inet6_addr_add+0x12f/0xa40 [10059.066735][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10059.066735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10059.066735][ T10] netlink_rcv_skb+0x130/0x360 [10059.066735][ T10] netlink_unicast+0x449/0x710 [10059.066735][ T10] netlink_sendmsg+0x723/0xbe0 [10059.066735][ T10] ____sys_sendmsg+0x7b2/0xa10 [10059.066735][ T10] ___sys_sendmsg+0xee/0x170 [10059.066735][ T10] __sys_sendmsg+0xcd/0x170 [10059.066735][ T10] do_syscall_64+0xc6/0x1e0 [10059.066735][ T10] [10059.068701][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10059.068701][ T10] ipv6_add_dev+0x3ba/0x11c0 [10059.068701][ T10] ipv6_find_idev+0x102/0x170 [10059.068701][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10059.068701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10059.068701][ T10] netlink_rcv_skb+0x130/0x360 [10059.068701][ T10] netlink_unicast+0x449/0x710 [10059.068701][ T10] netlink_sendmsg+0x723/0xbe0 [10059.068701][ T10] ____sys_sendmsg+0x7b2/0xa10 [10059.068701][ T10] ___sys_sendmsg+0xee/0x170 [10059.068701][ T10] __sys_sendmsg+0xcd/0x170 [10059.068701][ T10] do_syscall_64+0xc6/0x1e0 [10059.068701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10059.068701][ T10] [10059.070227][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10059.070227][ T10] neigh_parms_alloc+0x1e5/0x510 [10059.070227][ T10] ipv6_add_dev+0x2fe/0x11c0 [10059.070227][ T10] ipv6_find_idev+0x102/0x170 [10059.070227][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10059.070227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10059.070227][ T10] netlink_rcv_skb+0x130/0x360 [10059.070227][ T10] netlink_unicast+0x449/0x710 [10059.070227][ T10] netlink_sendmsg+0x723/0xbe0 [10059.070227][ T10] ____sys_sendmsg+0x7b2/0xa10 [10059.070227][ T10] ___sys_sendmsg+0xee/0x170 [10059.070227][ T10] __sys_sendmsg+0xcd/0x170 [10059.070227][ T10] do_syscall_64+0xc6/0x1e0 [10059.070227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10059.070227][ T10] [10059.071904][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10059.072151][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10059.072151][ T10] netdev_get_by_index+0x5e/0x80 [10059.072151][ T10] fib6_nh_init+0x3d8/0x1580 [10059.072151][ T10] ip6_route_info_create+0xf18/0x17d0 [10059.072151][ T10] addrconf_f6i_alloc+0x265/0x560 [10059.072151][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10059.072151][ T10] addrconf_join_anycast+0x1c0/0x220 [10059.072151][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10059.072151][ T10] addrconf_dad_completed+0x12b/0xe20 [10059.072151][ T10] addrconf_dad_begin+0x310/0x670 [10059.072151][ T10] addrconf_dad_work+0x10b/0xab0 [10059.072151][ T10] process_one_work+0x84d/0x18a0 [10059.072151][ T10] worker_thread+0x587/0xd30 [10059.072151][ T10] kthread+0x28a/0x350 [10059.072151][ T10] ret_from_fork+0x31/0x70 [10059.072151][ T10] ret_from_fork_asm+0x1a/0x30 [10059.072151][ T10] [10059.074055][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10059.074055][ T10] netdev_get_by_index+0x5e/0x80 [10059.074055][ T10] fib6_nh_init+0x3d8/0x1580 [10059.074055][ T10] ip6_route_info_create+0xf18/0x17d0 [10059.074055][ T10] ip6_route_add+0x1c/0x140 [10059.074055][ T10] addrconf_prefix_route+0x2a6/0x430 [10059.074055][ T10] inet6_addr_add+0x4f8/0xa40 [10059.074055][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10059.074055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10059.074055][ T10] netlink_rcv_skb+0x130/0x360 [10059.074055][ T10] netlink_unicast+0x449/0x710 [10059.074055][ T10] netlink_sendmsg+0x723/0xbe0 [10059.074055][ T10] ____sys_sendmsg+0x7b2/0xa10 [10059.074055][ T10] ___sys_sendmsg+0xee/0x170 [10059.074055][ T10] __sys_sendmsg+0xcd/0x170 [10059.074055][ T10] do_syscall_64+0xc6/0x1e0 [10059.074055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10059.074055][ T10] [10059.076225][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10059.076225][ T10] netdev_get_by_index+0x5e/0x80 [10059.076225][ T10] fib6_nh_init+0x3d8/0x1580 [10059.076225][ T10] ip6_route_info_create+0xf18/0x17d0 [10059.076225][ T10] addrconf_f6i_alloc+0x315/0x560 [10059.076225][ T10] ipv6_add_addr+0x411/0x2000 [10059.076225][ T10] inet6_addr_add+0x30e/0xa40 [10059.076225][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10059.076225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10059.076225][ T10] netlink_rcv_skb+0x130/0x360 [10059.076225][ T10] netlink_unicast+0x449/0x710 [10059.076225][ T10] netlink_sendmsg+0x723/0xbe0 [10059.076225][ T10] ____sys_sendmsg+0x7b2/0xa10 [10059.076225][ T10] ___sys_sendmsg+0xee/0x170 [10059.076225][ T10] __sys_sendmsg+0xcd/0x170 [10059.076225][ T10] do_syscall_64+0xc6/0x1e0 [10059.076225][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10059.076225][ T10] [10059.078516][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10059.078516][ T10] netdev_get_by_index+0x5e/0x80 [10059.078516][ T10] fib6_nh_init+0x3d8/0x1580 [10059.078516][ T10] ip6_route_info_create+0xf18/0x17d0 [10059.078516][ T10] ip6_route_add+0x1c/0x140 [10059.078516][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10059.078516][ T10] addrconf_add_dev+0xe2/0x170 [10059.078516][ T10] inet6_addr_add+0x12f/0xa40 [10059.078516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10059.078516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10059.078516][ T10] netlink_rcv_skb+0x130/0x360 [10059.078516][ T10] netlink_unicast+0x449/0x710 [10059.078516][ T10] netlink_sendmsg+0x723/0xbe0 [10059.078516][ T10] ____sys_sendmsg+0x7b2/0xa10 [10059.078516][ T10] ___sys_sendmsg+0xee/0x170 [10059.078516][ T10] __sys_sendmsg+0xcd/0x170 [10059.078516][ T10] do_syscall_64+0xc6/0x1e0 [10059.078516][ T10] [10059.080647][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10059.080647][ T10] ipv6_add_dev+0x3ba/0x11c0 [10059.080647][ T10] ipv6_find_idev+0x102/0x170 [10059.080647][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10059.080647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10059.080647][ T10] netlink_rcv_skb+0x130/0x360 [10059.080647][ T10] netlink_unicast+0x449/0x710 [10059.080647][ T10] netlink_sendmsg+0x723/0xbe0 [10059.080647][ T10] ____sys_sendmsg+0x7b2/0xa10 [10059.080647][ T10] ___sys_sendmsg+0xee/0x170 [10059.080647][ T10] __sys_sendmsg+0xcd/0x170 [10059.080647][ T10] do_syscall_64+0xc6/0x1e0 [10059.080647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10059.080647][ T10] [10059.082365][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10059.082365][ T10] neigh_parms_alloc+0x1e5/0x510 [10059.082365][ T10] ipv6_add_dev+0x2fe/0x11c0 [10059.082365][ T10] ipv6_find_idev+0x102/0x170 [10059.082365][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10059.082365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10059.082365][ T10] netlink_rcv_skb+0x130/0x360 [10059.082365][ T10] netlink_unicast+0x449/0x710 [10059.082365][ T10] netlink_sendmsg+0x723/0xbe0 [10059.082365][ T10] ____sys_sendmsg+0x7b2/0xa10 [10059.082365][ T10] ___sys_sendmsg+0xee/0x170 [10059.082365][ T10] __sys_sendmsg+0xcd/0x170 [10059.082365][ T10] do_syscall_64+0xc6/0x1e0 [10059.082365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10059.082365][ T10] [10059.084247][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10059.084488][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10059.084488][ T10] netdev_get_by_index+0x5e/0x80 [10059.084488][ T10] fib6_nh_init+0x3d8/0x1580 [10059.084488][ T10] ip6_route_info_create+0xf18/0x17d0 [10059.084488][ T10] addrconf_f6i_alloc+0x265/0x560 [10059.084488][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10059.084488][ T10] addrconf_join_anycast+0x1c0/0x220 [10059.084488][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10059.084488][ T10] addrconf_dad_completed+0x12b/0xe20 [10059.084488][ T10] addrconf_dad_begin+0x310/0x670 [10059.084488][ T10] addrconf_dad_work+0x10b/0xab0 [10059.084488][ T10] process_one_work+0x84d/0x18a0 [10059.084488][ T10] worker_thread+0x587/0xd30 [10059.084488][ T10] kthread+0x28a/0x350 [10059.084488][ T10] ret_from_fork+0x31/0x70 [10059.084488][ T10] ret_from_fork_asm+0x1a/0x30 [10059.084488][ T10] [10059.086692][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10059.086692][ T10] netdev_get_by_index+0x5e/0x80 [10059.086692][ T10] fib6_nh_init+0x3d8/0x1580 [10059.086692][ T10] ip6_route_info_create+0xf18/0x17d0 [10059.086692][ T10] ip6_route_add+0x1c/0x140 [10059.086692][ T10] addrconf_prefix_route+0x2a6/0x430 [10059.086692][ T10] inet6_addr_add+0x4f8/0xa40 [10059.086692][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10059.086692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10059.086692][ T10] netlink_rcv_skb+0x130/0x360 [10059.086692][ T10] netlink_unicast+0x449/0x710 [10059.086692][ T10] netlink_sendmsg+0x723/0xbe0 [10059.086692][ T10] ____sys_sendmsg+0x7b2/0xa10 [10059.086692][ T10] ___sys_sendmsg+0xee/0x170 [10059.086692][ T10] __sys_sendmsg+0xcd/0x170 [10059.086692][ T10] do_syscall_64+0xc6/0x1e0 [10059.086692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10059.086692][ T10] [10059.088859][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10059.088859][ T10] netdev_get_by_index+0x5e/0x80 [10059.088859][ T10] fib6_nh_init+0x3d8/0x1580 [10059.088859][ T10] ip6_route_info_create+0xf18/0x17d0 [10059.088859][ T10] addrconf_f6i_alloc+0x315/0x560 [10059.088859][ T10] ipv6_add_addr+0x411/0x2000 [10059.088859][ T10] inet6_addr_add+0x30e/0xa40 [10059.088859][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10059.088859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10059.088859][ T10] netlink_rcv_skb+0x130/0x360 [10059.088859][ T10] netlink_unicast+0x449/0x710 [10059.088859][ T10] netlink_sendmsg+0x723/0xbe0 [10059.088859][ T10] ____sys_sendmsg+0x7b2/0xa10 [10059.088859][ T10] ___sys_sendmsg+0xee/0x170 [10059.088859][ T10] __sys_sendmsg+0xcd/0x170 [10059.088859][ T10] do_syscall_64+0xc6/0x1e0 [10059.088859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10059.088859][ T10] [10059.091100][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10059.091100][ T10] netdev_get_by_index+0x5e/0x80 [10059.091100][ T10] fib6_nh_init+0x3d8/0x1580 [10059.091100][ T10] ip6_route_info_create+0xf18/0x17d0 [10059.091100][ T10] ip6_route_add+0x1c/0x140 [10059.091100][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10059.091100][ T10] addrconf_add_dev+0xe2/0x170 [10059.091100][ T10] inet6_addr_add+0x12f/0xa40 [10059.091100][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10059.091100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10059.091100][ T10] netlink_rcv_skb+0x130/0x360 [10059.091100][ T10] netlink_unicast+0x449/0x710 [10059.091100][ T10] netlink_sendmsg+0x723/0xbe0 [10059.091100][ T10] ____sys_sendmsg+0x7b2/0xa10 [10059.091100][ T10] ___sys_sendmsg+0xee/0x170 [10059.091100][ T10] __sys_sendmsg+0xcd/0x170 [10059.091100][ T10] do_syscall_64+0xc6/0x1e0 [10059.091100][ T10] [10059.093312][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10059.093312][ T10] ipv6_add_dev+0x3ba/0x11c0 [10059.093312][ T10] ipv6_find_idev+0x102/0x170 [10059.093312][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10059.093312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10059.093312][ T10] netlink_rcv_skb+0x130/0x360 [10059.093312][ T10] netlink_unicast+0x449/0x710 [10059.093312][ T10] netlink_sendmsg+0x723/0xbe0 [10059.093312][ T10] ____sys_sendmsg+0x7b2/0xa10 [10059.093312][ T10] ___sys_sendmsg+0xee/0x170 [10059.093312][ T10] __sys_sendmsg+0xcd/0x170 [10059.093312][ T10] do_syscall_64+0xc6/0x1e0 [10059.093312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10059.093312][ T10] [10059.095019][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10059.095019][ T10] neigh_parms_alloc+0x1e5/0x510 [10059.095019][ T10] ipv6_add_dev+0x2fe/0x11c0 [10059.095019][ T10] ipv6_find_idev+0x102/0x170 [10059.095019][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10059.095019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10059.095019][ T10] netlink_rcv_skb+0x130/0x360 [10059.095019][ T10] netlink_unicast+0x449/0x710 [10059.095019][ T10] netlink_sendmsg+0x723/0xbe0 [10059.095019][ T10] ____sys_sendmsg+0x7b2/0xa10 [10059.095019][ T10] ___sys_sendmsg+0xee/0x170 [10059.095019][ T10] __sys_sendmsg+0xcd/0x170 [10059.095019][ T10] do_syscall_64+0xc6/0x1e0 [10059.095019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10059.095019][ T10] [10060.505137][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10060.505567][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10060.505567][ T1167] dst_init+0x84/0x4a0 [10060.505567][ T1167] dst_alloc+0x97/0x150 [10060.505567][ T1167] ip6_dst_alloc+0x23/0x90 [10060.505567][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10060.505567][ T1167] ip6_pol_route+0x56f/0x840 [10060.505567][ T1167] fib6_rule_lookup+0x334/0x630 [10060.505567][ T1167] ip6_route_output_flags+0x259/0x480 [10060.505567][ T1167] inet6_rtm_getroute+0x980/0xf70 [10060.505567][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10060.505567][ T1167] netlink_rcv_skb+0x130/0x360 [10060.505567][ T1167] netlink_unicast+0x449/0x710 [10060.505567][ T1167] netlink_sendmsg+0x723/0xbe0 [10060.505567][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10060.505567][ T1167] ___sys_sendmsg+0xee/0x170 [10060.505567][ T1167] __sys_sendmsg+0xcd/0x170 [10060.505567][ T1167] do_syscall_64+0xc6/0x1e0 [10060.505567][ T1167] [10060.507793][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10060.507793][ T1167] netdev_get_by_index+0x5e/0x80 [10060.507793][ T1167] fib6_nh_init+0x3d8/0x1580 [10060.507793][ T1167] ip6_route_info_create+0xf18/0x17d0 [10060.507793][ T1167] addrconf_f6i_alloc+0x265/0x560 [10060.507793][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10060.507793][ T1167] addrconf_join_anycast+0x1c0/0x220 [10060.507793][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10060.507793][ T1167] addrconf_dad_completed+0x12b/0xe20 [10060.507793][ T1167] addrconf_dad_begin+0x310/0x670 [10060.507793][ T1167] addrconf_dad_work+0x10b/0xab0 [10060.507793][ T1167] process_one_work+0x84d/0x18a0 [10060.507793][ T1167] worker_thread+0x587/0xd30 [10060.507793][ T1167] kthread+0x28a/0x350 [10060.507793][ T1167] ret_from_fork+0x31/0x70 [10060.507793][ T1167] ret_from_fork_asm+0x1a/0x30 [10060.507793][ T1167] [10060.509957][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10060.509957][ T1167] netdev_get_by_index+0x5e/0x80 [10060.509957][ T1167] fib6_nh_init+0x3d8/0x1580 [10060.509957][ T1167] ip6_route_info_create+0xf18/0x17d0 [10060.509957][ T1167] ip6_route_add+0x1c/0x140 [10060.509957][ T1167] addrconf_prefix_route+0x2a6/0x430 [10060.509957][ T1167] inet6_addr_add+0x4f8/0xa40 [10060.509957][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10060.509957][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10060.509957][ T1167] netlink_rcv_skb+0x130/0x360 [10060.509957][ T1167] netlink_unicast+0x449/0x710 [10060.509957][ T1167] netlink_sendmsg+0x723/0xbe0 [10060.509957][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10060.509957][ T1167] ___sys_sendmsg+0xee/0x170 [10060.509957][ T1167] __sys_sendmsg+0xcd/0x170 [10060.509957][ T1167] do_syscall_64+0xc6/0x1e0 [10060.509957][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10060.509957][ T1167] [10060.512245][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10060.512245][ T1167] netdev_get_by_index+0x5e/0x80 [10060.512245][ T1167] fib6_nh_init+0x3d8/0x1580 [10060.512245][ T1167] ip6_route_info_create+0xf18/0x17d0 [10060.512245][ T1167] addrconf_f6i_alloc+0x315/0x560 [10060.512245][ T1167] ipv6_add_addr+0x411/0x2000 [10060.512245][ T1167] inet6_addr_add+0x30e/0xa40 [10060.512245][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10060.512245][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10060.512245][ T1167] netlink_rcv_skb+0x130/0x360 [10060.512245][ T1167] netlink_unicast+0x449/0x710 [10060.512245][ T1167] netlink_sendmsg+0x723/0xbe0 [10060.512245][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10060.512245][ T1167] ___sys_sendmsg+0xee/0x170 [10060.512245][ T1167] __sys_sendmsg+0xcd/0x170 [10060.512245][ T1167] do_syscall_64+0xc6/0x1e0 [10060.512245][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10060.512245][ T1167] [10060.514522][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10060.514522][ T1167] netdev_get_by_index+0x5e/0x80 [10060.514522][ T1167] fib6_nh_init+0x3d8/0x1580 [10060.514522][ T1167] ip6_route_info_create+0xf18/0x17d0 [10060.514522][ T1167] ip6_route_add+0x1c/0x140 [10060.514522][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10060.514522][ T1167] addrconf_add_dev+0xe2/0x170 [10060.514522][ T1167] inet6_addr_add+0x12f/0xa40 [10060.514522][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10060.514522][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10060.514522][ T1167] netlink_rcv_skb+0x130/0x360 [10060.514522][ T1167] netlink_unicast+0x449/0x710 [10060.514522][ T1167] netlink_sendmsg+0x723/0xbe0 [10060.514522][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10060.514522][ T1167] ___sys_sendmsg+0xee/0x170 [10060.514522][ T1167] __sys_sendmsg+0xcd/0x170 [10060.514522][ T1167] do_syscall_64+0xc6/0x1e0 [10060.514522][ T1167] [10060.516749][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10060.516749][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10060.516749][ T1167] ipv6_find_idev+0x102/0x170 [10060.516749][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10060.516749][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10060.516749][ T1167] netlink_rcv_skb+0x130/0x360 [10060.516749][ T1167] netlink_unicast+0x449/0x710 [10060.516749][ T1167] netlink_sendmsg+0x723/0xbe0 [10060.516749][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10060.516749][ T1167] ___sys_sendmsg+0xee/0x170 [10060.516749][ T1167] __sys_sendmsg+0xcd/0x170 [10060.516749][ T1167] do_syscall_64+0xc6/0x1e0 [10060.516749][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10060.516749][ T1167] [10060.518498][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10060.518498][ T1167] neigh_parms_alloc+0x1e5/0x510 [10060.518498][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10060.518498][ T1167] ipv6_find_idev+0x102/0x170 [10060.518498][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10060.518498][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10060.518498][ T1167] netlink_rcv_skb+0x130/0x360 [10060.518498][ T1167] netlink_unicast+0x449/0x710 [10060.518498][ T1167] netlink_sendmsg+0x723/0xbe0 [10060.518498][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10060.518498][ T1167] ___sys_sendmsg+0xee/0x170 [10060.518498][ T1167] __sys_sendmsg+0xcd/0x170 [10060.518498][ T1167] do_syscall_64+0xc6/0x1e0 [10060.518498][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10060.518498][ T1167] [10069.337113][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10069.337468][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10069.337468][ T10] netdev_get_by_index+0x5e/0x80 [10069.337468][ T10] fib6_nh_init+0x3d8/0x1580 [10069.337468][ T10] ip6_route_info_create+0xf18/0x17d0 [10069.337468][ T10] addrconf_f6i_alloc+0x265/0x560 [10069.337468][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10069.337468][ T10] addrconf_join_anycast+0x1c0/0x220 [10069.337468][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10069.337468][ T10] addrconf_dad_completed+0x12b/0xe20 [10069.337468][ T10] addrconf_dad_begin+0x310/0x670 [10069.337468][ T10] addrconf_dad_work+0x10b/0xab0 [10069.337468][ T10] process_one_work+0x84d/0x18a0 [10069.337468][ T10] worker_thread+0x587/0xd30 [10069.337468][ T10] kthread+0x28a/0x350 [10069.337468][ T10] ret_from_fork+0x31/0x70 [10069.337468][ T10] ret_from_fork_asm+0x1a/0x30 [10069.337468][ T10] [10069.339398][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10069.339398][ T10] netdev_get_by_index+0x5e/0x80 [10069.339398][ T10] fib6_nh_init+0x3d8/0x1580 [10069.339398][ T10] ip6_route_info_create+0xf18/0x17d0 [10069.339398][ T10] ip6_route_add+0x1c/0x140 [10069.339398][ T10] addrconf_prefix_route+0x2a6/0x430 [10069.339398][ T10] inet6_addr_add+0x4f8/0xa40 [10069.339398][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10069.339398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10069.339398][ T10] netlink_rcv_skb+0x130/0x360 [10069.339398][ T10] netlink_unicast+0x449/0x710 [10069.339398][ T10] netlink_sendmsg+0x723/0xbe0 [10069.339398][ T10] ____sys_sendmsg+0x7b2/0xa10 [10069.339398][ T10] ___sys_sendmsg+0xee/0x170 [10069.339398][ T10] __sys_sendmsg+0xcd/0x170 [10069.339398][ T10] do_syscall_64+0xc6/0x1e0 [10069.339398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10069.339398][ T10] [10069.341408][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10069.341408][ T10] netdev_get_by_index+0x5e/0x80 [10069.341408][ T10] fib6_nh_init+0x3d8/0x1580 [10069.341408][ T10] ip6_route_info_create+0xf18/0x17d0 [10069.341408][ T10] addrconf_f6i_alloc+0x315/0x560 [10069.341408][ T10] ipv6_add_addr+0x411/0x2000 [10069.341408][ T10] inet6_addr_add+0x30e/0xa40 [10069.341408][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10069.341408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10069.341408][ T10] netlink_rcv_skb+0x130/0x360 [10069.341408][ T10] netlink_unicast+0x449/0x710 [10069.341408][ T10] netlink_sendmsg+0x723/0xbe0 [10069.341408][ T10] ____sys_sendmsg+0x7b2/0xa10 [10069.341408][ T10] ___sys_sendmsg+0xee/0x170 [10069.341408][ T10] __sys_sendmsg+0xcd/0x170 [10069.341408][ T10] do_syscall_64+0xc6/0x1e0 [10069.341408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10069.341408][ T10] [10069.343436][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10069.343436][ T10] netdev_get_by_index+0x5e/0x80 [10069.343436][ T10] fib6_nh_init+0x3d8/0x1580 [10069.343436][ T10] ip6_route_info_create+0xf18/0x17d0 [10069.343436][ T10] ip6_route_add+0x1c/0x140 [10069.343436][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10069.343436][ T10] addrconf_add_dev+0xe2/0x170 [10069.343436][ T10] inet6_addr_add+0x12f/0xa40 [10069.343436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10069.343436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10069.343436][ T10] netlink_rcv_skb+0x130/0x360 [10069.343436][ T10] netlink_unicast+0x449/0x710 [10069.343436][ T10] netlink_sendmsg+0x723/0xbe0 [10069.343436][ T10] ____sys_sendmsg+0x7b2/0xa10 [10069.343436][ T10] ___sys_sendmsg+0xee/0x170 [10069.343436][ T10] __sys_sendmsg+0xcd/0x170 [10069.343436][ T10] do_syscall_64+0xc6/0x1e0 [10069.343436][ T10] [10069.345408][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10069.345408][ T10] ipv6_add_dev+0x3ba/0x11c0 [10069.345408][ T10] ipv6_find_idev+0x102/0x170 [10069.345408][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10069.345408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10069.345408][ T10] netlink_rcv_skb+0x130/0x360 [10069.345408][ T10] netlink_unicast+0x449/0x710 [10069.345408][ T10] netlink_sendmsg+0x723/0xbe0 [10069.345408][ T10] ____sys_sendmsg+0x7b2/0xa10 [10069.345408][ T10] ___sys_sendmsg+0xee/0x170 [10069.345408][ T10] __sys_sendmsg+0xcd/0x170 [10069.345408][ T10] do_syscall_64+0xc6/0x1e0 [10069.345408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10069.345408][ T10] [10069.346943][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10069.346943][ T10] neigh_parms_alloc+0x1e5/0x510 [10069.346943][ T10] ipv6_add_dev+0x2fe/0x11c0 [10069.346943][ T10] ipv6_find_idev+0x102/0x170 [10069.346943][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10069.346943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10069.346943][ T10] netlink_rcv_skb+0x130/0x360 [10069.346943][ T10] netlink_unicast+0x449/0x710 [10069.346943][ T10] netlink_sendmsg+0x723/0xbe0 [10069.346943][ T10] ____sys_sendmsg+0x7b2/0xa10 [10069.346943][ T10] ___sys_sendmsg+0xee/0x170 [10069.346943][ T10] __sys_sendmsg+0xcd/0x170 [10069.346943][ T10] do_syscall_64+0xc6/0x1e0 [10069.346943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10069.346943][ T10] [10069.348626][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10069.348867][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10069.348867][ T10] netdev_get_by_index+0x5e/0x80 [10069.348867][ T10] fib6_nh_init+0x3d8/0x1580 [10069.348867][ T10] ip6_route_info_create+0xf18/0x17d0 [10069.348867][ T10] addrconf_f6i_alloc+0x265/0x560 [10069.348867][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10069.348867][ T10] addrconf_join_anycast+0x1c0/0x220 [10069.348867][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10069.348867][ T10] addrconf_dad_completed+0x12b/0xe20 [10069.348867][ T10] addrconf_dad_begin+0x310/0x670 [10069.348867][ T10] addrconf_dad_work+0x10b/0xab0 [10069.348867][ T10] process_one_work+0x84d/0x18a0 [10069.348867][ T10] worker_thread+0x587/0xd30 [10069.348867][ T10] kthread+0x28a/0x350 [10069.348867][ T10] ret_from_fork+0x31/0x70 [10069.348867][ T10] ret_from_fork_asm+0x1a/0x30 [10069.348867][ T10] [10069.350807][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10069.350807][ T10] netdev_get_by_index+0x5e/0x80 [10069.350807][ T10] fib6_nh_init+0x3d8/0x1580 [10069.350807][ T10] ip6_route_info_create+0xf18/0x17d0 [10069.350807][ T10] ip6_route_add+0x1c/0x140 [10069.350807][ T10] addrconf_prefix_route+0x2a6/0x430 [10069.350807][ T10] inet6_addr_add+0x4f8/0xa40 [10069.350807][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10069.350807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10069.350807][ T10] netlink_rcv_skb+0x130/0x360 [10069.350807][ T10] netlink_unicast+0x449/0x710 [10069.350807][ T10] netlink_sendmsg+0x723/0xbe0 [10069.350807][ T10] ____sys_sendmsg+0x7b2/0xa10 [10069.350807][ T10] ___sys_sendmsg+0xee/0x170 [10069.350807][ T10] __sys_sendmsg+0xcd/0x170 [10069.350807][ T10] do_syscall_64+0xc6/0x1e0 [10069.350807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10069.350807][ T10] [10069.352808][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10069.352808][ T10] netdev_get_by_index+0x5e/0x80 [10069.352808][ T10] fib6_nh_init+0x3d8/0x1580 [10069.352808][ T10] ip6_route_info_create+0xf18/0x17d0 [10069.352808][ T10] addrconf_f6i_alloc+0x315/0x560 [10069.352808][ T10] ipv6_add_addr+0x411/0x2000 [10069.352808][ T10] inet6_addr_add+0x30e/0xa40 [10069.352808][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10069.352808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10069.352808][ T10] netlink_rcv_skb+0x130/0x360 [10069.352808][ T10] netlink_unicast+0x449/0x710 [10069.352808][ T10] netlink_sendmsg+0x723/0xbe0 [10069.352808][ T10] ____sys_sendmsg+0x7b2/0xa10 [10069.352808][ T10] ___sys_sendmsg+0xee/0x170 [10069.352808][ T10] __sys_sendmsg+0xcd/0x170 [10069.352808][ T10] do_syscall_64+0xc6/0x1e0 [10069.352808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10069.352808][ T10] [10069.354802][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10069.354802][ T10] netdev_get_by_index+0x5e/0x80 [10069.354802][ T10] fib6_nh_init+0x3d8/0x1580 [10069.354802][ T10] ip6_route_info_create+0xf18/0x17d0 [10069.354802][ T10] ip6_route_add+0x1c/0x140 [10069.354802][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10069.354802][ T10] addrconf_add_dev+0xe2/0x170 [10069.354802][ T10] inet6_addr_add+0x12f/0xa40 [10069.354802][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10069.354802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10069.354802][ T10] netlink_rcv_skb+0x130/0x360 [10069.354802][ T10] netlink_unicast+0x449/0x710 [10069.354802][ T10] netlink_sendmsg+0x723/0xbe0 [10069.354802][ T10] ____sys_sendmsg+0x7b2/0xa10 [10069.354802][ T10] ___sys_sendmsg+0xee/0x170 [10069.354802][ T10] __sys_sendmsg+0xcd/0x170 [10069.354802][ T10] do_syscall_64+0xc6/0x1e0 [10069.354802][ T10] [10069.356761][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10069.356761][ T10] ipv6_add_dev+0x3ba/0x11c0 [10069.356761][ T10] ipv6_find_idev+0x102/0x170 [10069.356761][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10069.356761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10069.356761][ T10] netlink_rcv_skb+0x130/0x360 [10069.356761][ T10] netlink_unicast+0x449/0x710 [10069.356761][ T10] netlink_sendmsg+0x723/0xbe0 [10069.356761][ T10] ____sys_sendmsg+0x7b2/0xa10 [10069.356761][ T10] ___sys_sendmsg+0xee/0x170 [10069.356761][ T10] __sys_sendmsg+0xcd/0x170 [10069.356761][ T10] do_syscall_64+0xc6/0x1e0 [10069.356761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10069.356761][ T10] [10069.358314][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10069.358314][ T10] neigh_parms_alloc+0x1e5/0x510 [10069.358314][ T10] ipv6_add_dev+0x2fe/0x11c0 [10069.358314][ T10] ipv6_find_idev+0x102/0x170 [10069.358314][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10069.358314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10069.358314][ T10] netlink_rcv_skb+0x130/0x360 [10069.358314][ T10] netlink_unicast+0x449/0x710 [10069.358314][ T10] netlink_sendmsg+0x723/0xbe0 [10069.358314][ T10] ____sys_sendmsg+0x7b2/0xa10 [10069.358314][ T10] ___sys_sendmsg+0xee/0x170 [10069.358314][ T10] __sys_sendmsg+0xcd/0x170 [10069.358314][ T10] do_syscall_64+0xc6/0x1e0 [10069.358314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10069.358314][ T10] [10069.360008][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10069.360249][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10069.360249][ T10] netdev_get_by_index+0x5e/0x80 [10069.360249][ T10] fib6_nh_init+0x3d8/0x1580 [10069.360249][ T10] ip6_route_info_create+0xf18/0x17d0 [10069.360249][ T10] addrconf_f6i_alloc+0x265/0x560 [10069.360249][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10069.360249][ T10] addrconf_join_anycast+0x1c0/0x220 [10069.360249][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10069.360249][ T10] addrconf_dad_completed+0x12b/0xe20 [10069.360249][ T10] addrconf_dad_begin+0x310/0x670 [10069.360249][ T10] addrconf_dad_work+0x10b/0xab0 [10069.360249][ T10] process_one_work+0x84d/0x18a0 [10069.360249][ T10] worker_thread+0x587/0xd30 [10069.360249][ T10] kthread+0x28a/0x350 [10069.360249][ T10] ret_from_fork+0x31/0x70 [10069.360249][ T10] ret_from_fork_asm+0x1a/0x30 [10069.360249][ T10] [10069.362170][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10069.362170][ T10] netdev_get_by_index+0x5e/0x80 [10069.362170][ T10] fib6_nh_init+0x3d8/0x1580 [10069.362170][ T10] ip6_route_info_create+0xf18/0x17d0 [10069.362170][ T10] ip6_route_add+0x1c/0x140 [10069.362170][ T10] addrconf_prefix_route+0x2a6/0x430 [10069.362170][ T10] inet6_addr_add+0x4f8/0xa40 [10069.362170][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10069.362170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10069.362170][ T10] netlink_rcv_skb+0x130/0x360 [10069.362170][ T10] netlink_unicast+0x449/0x710 [10069.362170][ T10] netlink_sendmsg+0x723/0xbe0 [10069.362170][ T10] ____sys_sendmsg+0x7b2/0xa10 [10069.362170][ T10] ___sys_sendmsg+0xee/0x170 [10069.362170][ T10] __sys_sendmsg+0xcd/0x170 [10069.362170][ T10] do_syscall_64+0xc6/0x1e0 [10069.362170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10069.362170][ T10] [10069.364352][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10069.364352][ T10] netdev_get_by_index+0x5e/0x80 [10069.364352][ T10] fib6_nh_init+0x3d8/0x1580 [10069.364352][ T10] ip6_route_info_create+0xf18/0x17d0 [10069.364352][ T10] addrconf_f6i_alloc+0x315/0x560 [10069.364352][ T10] ipv6_add_addr+0x411/0x2000 [10069.364352][ T10] inet6_addr_add+0x30e/0xa40 [10069.364352][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10069.364352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10069.364352][ T10] netlink_rcv_skb+0x130/0x360 [10069.364352][ T10] netlink_unicast+0x449/0x710 [10069.364352][ T10] netlink_sendmsg+0x723/0xbe0 [10069.364352][ T10] ____sys_sendmsg+0x7b2/0xa10 [10069.364352][ T10] ___sys_sendmsg+0xee/0x170 [10069.364352][ T10] __sys_sendmsg+0xcd/0x170 [10069.364352][ T10] do_syscall_64+0xc6/0x1e0 [10069.364352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10069.364352][ T10] [10069.366648][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10069.366648][ T10] netdev_get_by_index+0x5e/0x80 [10069.366648][ T10] fib6_nh_init+0x3d8/0x1580 [10069.366648][ T10] ip6_route_info_create+0xf18/0x17d0 [10069.366648][ T10] ip6_route_add+0x1c/0x140 [10069.366648][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10069.366648][ T10] addrconf_add_dev+0xe2/0x170 [10069.366648][ T10] inet6_addr_add+0x12f/0xa40 [10069.366648][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10069.366648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10069.366648][ T10] netlink_rcv_skb+0x130/0x360 [10069.366648][ T10] netlink_unicast+0x449/0x710 [10069.366648][ T10] netlink_sendmsg+0x723/0xbe0 [10069.366648][ T10] ____sys_sendmsg+0x7b2/0xa10 [10069.366648][ T10] ___sys_sendmsg+0xee/0x170 [10069.366648][ T10] __sys_sendmsg+0xcd/0x170 [10069.366648][ T10] do_syscall_64+0xc6/0x1e0 [10069.366648][ T10] [10069.368837][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10069.368837][ T10] ipv6_add_dev+0x3ba/0x11c0 [10069.368837][ T10] ipv6_find_idev+0x102/0x170 [10069.368837][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10069.368837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10069.368837][ T10] netlink_rcv_skb+0x130/0x360 [10069.368837][ T10] netlink_unicast+0x449/0x710 [10069.368837][ T10] netlink_sendmsg+0x723/0xbe0 [10069.368837][ T10] ____sys_sendmsg+0x7b2/0xa10 [10069.368837][ T10] ___sys_sendmsg+0xee/0x170 [10069.368837][ T10] __sys_sendmsg+0xcd/0x170 [10069.368837][ T10] do_syscall_64+0xc6/0x1e0 [10069.368837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10069.368837][ T10] [10069.370555][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10069.370555][ T10] neigh_parms_alloc+0x1e5/0x510 [10069.370555][ T10] ipv6_add_dev+0x2fe/0x11c0 [10069.370555][ T10] ipv6_find_idev+0x102/0x170 [10069.370555][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10069.370555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10069.370555][ T10] netlink_rcv_skb+0x130/0x360 [10069.370555][ T10] netlink_unicast+0x449/0x710 [10069.370555][ T10] netlink_sendmsg+0x723/0xbe0 [10069.370555][ T10] ____sys_sendmsg+0x7b2/0xa10 [10069.370555][ T10] ___sys_sendmsg+0xee/0x170 [10069.370555][ T10] __sys_sendmsg+0xcd/0x170 [10069.370555][ T10] do_syscall_64+0xc6/0x1e0 [10069.370555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10069.370555][ T10] [10069.372498][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10069.372735][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10069.372735][ T10] netdev_get_by_index+0x5e/0x80 [10069.372735][ T10] fib6_nh_init+0x3d8/0x1580 [10069.372735][ T10] ip6_route_info_create+0xf18/0x17d0 [10069.372735][ T10] addrconf_f6i_alloc+0x265/0x560 [10069.372735][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10069.372735][ T10] addrconf_join_anycast+0x1c0/0x220 [10069.372735][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10069.372735][ T10] addrconf_dad_completed+0x12b/0xe20 [10069.372735][ T10] addrconf_dad_begin+0x310/0x670 [10069.372735][ T10] addrconf_dad_work+0x10b/0xab0 [10069.372735][ T10] process_one_work+0x84d/0x18a0 [10069.372735][ T10] worker_thread+0x587/0xd30 [10069.372735][ T10] kthread+0x28a/0x350 [10069.372735][ T10] ret_from_fork+0x31/0x70 [10069.372735][ T10] ret_from_fork_asm+0x1a/0x30 [10069.372735][ T10] [10069.374957][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10069.374957][ T10] netdev_get_by_index+0x5e/0x80 [10069.374957][ T10] fib6_nh_init+0x3d8/0x1580 [10069.374957][ T10] ip6_route_info_create+0xf18/0x17d0 [10069.374957][ T10] ip6_route_add+0x1c/0x140 [10069.374957][ T10] addrconf_prefix_route+0x2a6/0x430 [10069.374957][ T10] inet6_addr_add+0x4f8/0xa40 [10069.374957][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10069.374957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10069.374957][ T10] netlink_rcv_skb+0x130/0x360 [10069.374957][ T10] netlink_unicast+0x449/0x710 [10069.374957][ T10] netlink_sendmsg+0x723/0xbe0 [10069.374957][ T10] ____sys_sendmsg+0x7b2/0xa10 [10069.374957][ T10] ___sys_sendmsg+0xee/0x170 [10069.374957][ T10] __sys_sendmsg+0xcd/0x170 [10069.374957][ T10] do_syscall_64+0xc6/0x1e0 [10069.374957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10069.374957][ T10] [10069.377137][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10069.377137][ T10] netdev_get_by_index+0x5e/0x80 [10069.377137][ T10] fib6_nh_init+0x3d8/0x1580 [10069.377137][ T10] ip6_route_info_create+0xf18/0x17d0 [10069.377137][ T10] addrconf_f6i_alloc+0x315/0x560 [10069.377137][ T10] ipv6_add_addr+0x411/0x2000 [10069.377137][ T10] inet6_addr_add+0x30e/0xa40 [10069.377137][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10069.377137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10069.377137][ T10] netlink_rcv_skb+0x130/0x360 [10069.377137][ T10] netlink_unicast+0x449/0x710 [10069.377137][ T10] netlink_sendmsg+0x723/0xbe0 [10069.377137][ T10] ____sys_sendmsg+0x7b2/0xa10 [10069.377137][ T10] ___sys_sendmsg+0xee/0x170 [10069.377137][ T10] __sys_sendmsg+0xcd/0x170 [10069.377137][ T10] do_syscall_64+0xc6/0x1e0 [10069.377137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10069.377137][ T10] [10069.379881][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10069.379881][ T10] netdev_get_by_index+0x5e/0x80 [10069.379881][ T10] fib6_nh_init+0x3d8/0x1580 [10069.379881][ T10] ip6_route_info_create+0xf18/0x17d0 [10069.379881][ T10] ip6_route_add+0x1c/0x140 [10069.379881][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10069.379881][ T10] addrconf_add_dev+0xe2/0x170 [10069.379881][ T10] inet6_addr_add+0x12f/0xa40 [10069.379881][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10069.379881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10069.379881][ T10] netlink_rcv_skb+0x130/0x360 [10069.379881][ T10] netlink_unicast+0x449/0x710 [10069.379881][ T10] netlink_sendmsg+0x723/0xbe0 [10069.379881][ T10] ____sys_sendmsg+0x7b2/0xa10 [10069.379881][ T10] ___sys_sendmsg+0xee/0x170 [10069.379881][ T10] __sys_sendmsg+0xcd/0x170 [10069.379881][ T10] do_syscall_64+0xc6/0x1e0 [10069.379881][ T10] [10069.382098][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10069.382098][ T10] ipv6_add_dev+0x3ba/0x11c0 [10069.382098][ T10] ipv6_find_idev+0x102/0x170 [10069.382098][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10069.382098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10069.382098][ T10] netlink_rcv_skb+0x130/0x360 [10069.382098][ T10] netlink_unicast+0x449/0x710 [10069.382098][ T10] netlink_sendmsg+0x723/0xbe0 [10069.382098][ T10] ____sys_sendmsg+0x7b2/0xa10 [10069.382098][ T10] ___sys_sendmsg+0xee/0x170 [10069.382098][ T10] __sys_sendmsg+0xcd/0x170 [10069.382098][ T10] do_syscall_64+0xc6/0x1e0 [10069.382098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10069.382098][ T10] [10069.383816][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10069.383816][ T10] neigh_parms_alloc+0x1e5/0x510 [10069.383816][ T10] ipv6_add_dev+0x2fe/0x11c0 [10069.383816][ T10] ipv6_find_idev+0x102/0x170 [10069.383816][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10069.383816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10069.383816][ T10] netlink_rcv_skb+0x130/0x360 [10069.383816][ T10] netlink_unicast+0x449/0x710 [10069.383816][ T10] netlink_sendmsg+0x723/0xbe0 [10069.383816][ T10] ____sys_sendmsg+0x7b2/0xa10 [10069.383816][ T10] ___sys_sendmsg+0xee/0x170 [10069.383816][ T10] __sys_sendmsg+0xcd/0x170 [10069.383816][ T10] do_syscall_64+0xc6/0x1e0 [10069.383816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10069.383816][ T10] [10070.761132][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10070.761511][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10070.761511][ T1167] dst_init+0x84/0x4a0 [10070.761511][ T1167] dst_alloc+0x97/0x150 [10070.761511][ T1167] ip6_dst_alloc+0x23/0x90 [10070.761511][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10070.761511][ T1167] ip6_pol_route+0x56f/0x840 [10070.761511][ T1167] fib6_rule_lookup+0x334/0x630 [10070.761511][ T1167] ip6_route_output_flags+0x259/0x480 [10070.761511][ T1167] inet6_rtm_getroute+0x980/0xf70 [10070.761511][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10070.761511][ T1167] netlink_rcv_skb+0x130/0x360 [10070.761511][ T1167] netlink_unicast+0x449/0x710 [10070.761511][ T1167] netlink_sendmsg+0x723/0xbe0 [10070.761511][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10070.761511][ T1167] ___sys_sendmsg+0xee/0x170 [10070.761511][ T1167] __sys_sendmsg+0xcd/0x170 [10070.761511][ T1167] do_syscall_64+0xc6/0x1e0 [10070.761511][ T1167] [10070.763734][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10070.763734][ T1167] netdev_get_by_index+0x5e/0x80 [10070.763734][ T1167] fib6_nh_init+0x3d8/0x1580 [10070.763734][ T1167] ip6_route_info_create+0xf18/0x17d0 [10070.763734][ T1167] addrconf_f6i_alloc+0x265/0x560 [10070.763734][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10070.763734][ T1167] addrconf_join_anycast+0x1c0/0x220 [10070.763734][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10070.763734][ T1167] addrconf_dad_completed+0x12b/0xe20 [10070.763734][ T1167] addrconf_dad_begin+0x310/0x670 [10070.763734][ T1167] addrconf_dad_work+0x10b/0xab0 [10070.763734][ T1167] process_one_work+0x84d/0x18a0 [10070.763734][ T1167] worker_thread+0x587/0xd30 [10070.763734][ T1167] kthread+0x28a/0x350 [10070.763734][ T1167] ret_from_fork+0x31/0x70 [10070.763734][ T1167] ret_from_fork_asm+0x1a/0x30 [10070.763734][ T1167] [10070.766411][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10070.766411][ T1167] netdev_get_by_index+0x5e/0x80 [10070.766411][ T1167] fib6_nh_init+0x3d8/0x1580 [10070.766411][ T1167] ip6_route_info_create+0xf18/0x17d0 [10070.766411][ T1167] ip6_route_add+0x1c/0x140 [10070.766411][ T1167] addrconf_prefix_route+0x2a6/0x430 [10070.766411][ T1167] inet6_addr_add+0x4f8/0xa40 [10070.766411][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10070.766411][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10070.766411][ T1167] netlink_rcv_skb+0x130/0x360 [10070.766411][ T1167] netlink_unicast+0x449/0x710 [10070.766411][ T1167] netlink_sendmsg+0x723/0xbe0 [10070.766411][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10070.766411][ T1167] ___sys_sendmsg+0xee/0x170 [10070.766411][ T1167] __sys_sendmsg+0xcd/0x170 [10070.766411][ T1167] do_syscall_64+0xc6/0x1e0 [10070.766411][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10070.766411][ T1167] [10070.768674][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10070.768674][ T1167] netdev_get_by_index+0x5e/0x80 [10070.768674][ T1167] fib6_nh_init+0x3d8/0x1580 [10070.768674][ T1167] ip6_route_info_create+0xf18/0x17d0 [10070.768674][ T1167] addrconf_f6i_alloc+0x315/0x560 [10070.768674][ T1167] ipv6_add_addr+0x411/0x2000 [10070.768674][ T1167] inet6_addr_add+0x30e/0xa40 [10070.768674][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10070.768674][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10070.768674][ T1167] netlink_rcv_skb+0x130/0x360 [10070.768674][ T1167] netlink_unicast+0x449/0x710 [10070.768674][ T1167] netlink_sendmsg+0x723/0xbe0 [10070.768674][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10070.768674][ T1167] ___sys_sendmsg+0xee/0x170 [10070.768674][ T1167] __sys_sendmsg+0xcd/0x170 [10070.768674][ T1167] do_syscall_64+0xc6/0x1e0 [10070.768674][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10070.768674][ T1167] [10070.770936][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10070.770936][ T1167] netdev_get_by_index+0x5e/0x80 [10070.770936][ T1167] fib6_nh_init+0x3d8/0x1580 [10070.770936][ T1167] ip6_route_info_create+0xf18/0x17d0 [10070.770936][ T1167] ip6_route_add+0x1c/0x140 [10070.770936][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10070.770936][ T1167] addrconf_add_dev+0xe2/0x170 [10070.770936][ T1167] inet6_addr_add+0x12f/0xa40 [10070.770936][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10070.770936][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10070.770936][ T1167] netlink_rcv_skb+0x130/0x360 [10070.770936][ T1167] netlink_unicast+0x449/0x710 [10070.770936][ T1167] netlink_sendmsg+0x723/0xbe0 [10070.770936][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10070.770936][ T1167] ___sys_sendmsg+0xee/0x170 [10070.770936][ T1167] __sys_sendmsg+0xcd/0x170 [10070.770936][ T1167] do_syscall_64+0xc6/0x1e0 [10070.770936][ T1167] [10070.773172][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10070.773172][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10070.773172][ T1167] ipv6_find_idev+0x102/0x170 [10070.773172][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10070.773172][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10070.773172][ T1167] netlink_rcv_skb+0x130/0x360 [10070.773172][ T1167] netlink_unicast+0x449/0x710 [10070.773172][ T1167] netlink_sendmsg+0x723/0xbe0 [10070.773172][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10070.773172][ T1167] ___sys_sendmsg+0xee/0x170 [10070.773172][ T1167] __sys_sendmsg+0xcd/0x170 [10070.773172][ T1167] do_syscall_64+0xc6/0x1e0 [10070.773172][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10070.773172][ T1167] [10070.774925][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10070.774925][ T1167] neigh_parms_alloc+0x1e5/0x510 [10070.774925][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10070.774925][ T1167] ipv6_find_idev+0x102/0x170 [10070.774925][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10070.774925][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10070.774925][ T1167] netlink_rcv_skb+0x130/0x360 [10070.774925][ T1167] netlink_unicast+0x449/0x710 [10070.774925][ T1167] netlink_sendmsg+0x723/0xbe0 [10070.774925][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10070.774925][ T1167] ___sys_sendmsg+0xee/0x170 [10070.774925][ T1167] __sys_sendmsg+0xcd/0x170 [10070.774925][ T1167] do_syscall_64+0xc6/0x1e0 [10070.774925][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10070.774925][ T1167] [10079.417107][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10079.417482][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10079.417482][ T10] netdev_get_by_index+0x5e/0x80 [10079.417482][ T10] fib6_nh_init+0x3d8/0x1580 [10079.417482][ T10] ip6_route_info_create+0xf18/0x17d0 [10079.417482][ T10] addrconf_f6i_alloc+0x265/0x560 [10079.417482][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10079.417482][ T10] addrconf_join_anycast+0x1c0/0x220 [10079.417482][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10079.417482][ T10] addrconf_dad_completed+0x12b/0xe20 [10079.417482][ T10] addrconf_dad_begin+0x310/0x670 [10079.417482][ T10] addrconf_dad_work+0x10b/0xab0 [10079.417482][ T10] process_one_work+0x84d/0x18a0 [10079.417482][ T10] worker_thread+0x587/0xd30 [10079.417482][ T10] kthread+0x28a/0x350 [10079.417482][ T10] ret_from_fork+0x31/0x70 [10079.417482][ T10] ret_from_fork_asm+0x1a/0x30 [10079.417482][ T10] [10079.419415][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10079.419415][ T10] netdev_get_by_index+0x5e/0x80 [10079.419415][ T10] fib6_nh_init+0x3d8/0x1580 [10079.419415][ T10] ip6_route_info_create+0xf18/0x17d0 [10079.419415][ T10] ip6_route_add+0x1c/0x140 [10079.419415][ T10] addrconf_prefix_route+0x2a6/0x430 [10079.419415][ T10] inet6_addr_add+0x4f8/0xa40 [10079.419415][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10079.419415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10079.419415][ T10] netlink_rcv_skb+0x130/0x360 [10079.419415][ T10] netlink_unicast+0x449/0x710 [10079.419415][ T10] netlink_sendmsg+0x723/0xbe0 [10079.419415][ T10] ____sys_sendmsg+0x7b2/0xa10 [10079.419415][ T10] ___sys_sendmsg+0xee/0x170 [10079.419415][ T10] __sys_sendmsg+0xcd/0x170 [10079.419415][ T10] do_syscall_64+0xc6/0x1e0 [10079.419415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10079.419415][ T10] [10079.421436][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10079.421436][ T10] netdev_get_by_index+0x5e/0x80 [10079.421436][ T10] fib6_nh_init+0x3d8/0x1580 [10079.421436][ T10] ip6_route_info_create+0xf18/0x17d0 [10079.421436][ T10] addrconf_f6i_alloc+0x315/0x560 [10079.421436][ T10] ipv6_add_addr+0x411/0x2000 [10079.421436][ T10] inet6_addr_add+0x30e/0xa40 [10079.421436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10079.421436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10079.421436][ T10] netlink_rcv_skb+0x130/0x360 [10079.421436][ T10] netlink_unicast+0x449/0x710 [10079.421436][ T10] netlink_sendmsg+0x723/0xbe0 [10079.421436][ T10] ____sys_sendmsg+0x7b2/0xa10 [10079.421436][ T10] ___sys_sendmsg+0xee/0x170 [10079.421436][ T10] __sys_sendmsg+0xcd/0x170 [10079.421436][ T10] do_syscall_64+0xc6/0x1e0 [10079.421436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10079.421436][ T10] [10079.423425][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10079.423425][ T10] netdev_get_by_index+0x5e/0x80 [10079.423425][ T10] fib6_nh_init+0x3d8/0x1580 [10079.423425][ T10] ip6_route_info_create+0xf18/0x17d0 [10079.423425][ T10] ip6_route_add+0x1c/0x140 [10079.423425][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10079.423425][ T10] addrconf_add_dev+0xe2/0x170 [10079.423425][ T10] inet6_addr_add+0x12f/0xa40 [10079.423425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10079.423425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10079.423425][ T10] netlink_rcv_skb+0x130/0x360 [10079.423425][ T10] netlink_unicast+0x449/0x710 [10079.423425][ T10] netlink_sendmsg+0x723/0xbe0 [10079.423425][ T10] ____sys_sendmsg+0x7b2/0xa10 [10079.423425][ T10] ___sys_sendmsg+0xee/0x170 [10079.423425][ T10] __sys_sendmsg+0xcd/0x170 [10079.423425][ T10] do_syscall_64+0xc6/0x1e0 [10079.423425][ T10] [10079.425398][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10079.425398][ T10] ipv6_add_dev+0x3ba/0x11c0 [10079.425398][ T10] ipv6_find_idev+0x102/0x170 [10079.425398][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10079.425398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10079.425398][ T10] netlink_rcv_skb+0x130/0x360 [10079.425398][ T10] netlink_unicast+0x449/0x710 [10079.425398][ T10] netlink_sendmsg+0x723/0xbe0 [10079.425398][ T10] ____sys_sendmsg+0x7b2/0xa10 [10079.425398][ T10] ___sys_sendmsg+0xee/0x170 [10079.425398][ T10] __sys_sendmsg+0xcd/0x170 [10079.425398][ T10] do_syscall_64+0xc6/0x1e0 [10079.425398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10079.425398][ T10] [10079.426936][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10079.426936][ T10] neigh_parms_alloc+0x1e5/0x510 [10079.426936][ T10] ipv6_add_dev+0x2fe/0x11c0 [10079.426936][ T10] ipv6_find_idev+0x102/0x170 [10079.426936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10079.426936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10079.426936][ T10] netlink_rcv_skb+0x130/0x360 [10079.426936][ T10] netlink_unicast+0x449/0x710 [10079.426936][ T10] netlink_sendmsg+0x723/0xbe0 [10079.426936][ T10] ____sys_sendmsg+0x7b2/0xa10 [10079.426936][ T10] ___sys_sendmsg+0xee/0x170 [10079.426936][ T10] __sys_sendmsg+0xcd/0x170 [10079.426936][ T10] do_syscall_64+0xc6/0x1e0 [10079.426936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10079.426936][ T10] [10079.428624][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10079.428862][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10079.428862][ T10] netdev_get_by_index+0x5e/0x80 [10079.428862][ T10] fib6_nh_init+0x3d8/0x1580 [10079.428862][ T10] ip6_route_info_create+0xf18/0x17d0 [10079.428862][ T10] addrconf_f6i_alloc+0x265/0x560 [10079.428862][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10079.428862][ T10] addrconf_join_anycast+0x1c0/0x220 [10079.428862][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10079.428862][ T10] addrconf_dad_completed+0x12b/0xe20 [10079.428862][ T10] addrconf_dad_begin+0x310/0x670 [10079.428862][ T10] addrconf_dad_work+0x10b/0xab0 [10079.428862][ T10] process_one_work+0x84d/0x18a0 [10079.428862][ T10] worker_thread+0x587/0xd30 [10079.428862][ T10] kthread+0x28a/0x350 [10079.428862][ T10] ret_from_fork+0x31/0x70 [10079.428862][ T10] ret_from_fork_asm+0x1a/0x30 [10079.428862][ T10] [10079.430795][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10079.430795][ T10] netdev_get_by_index+0x5e/0x80 [10079.430795][ T10] fib6_nh_init+0x3d8/0x1580 [10079.430795][ T10] ip6_route_info_create+0xf18/0x17d0 [10079.430795][ T10] ip6_route_add+0x1c/0x140 [10079.430795][ T10] addrconf_prefix_route+0x2a6/0x430 [10079.430795][ T10] inet6_addr_add+0x4f8/0xa40 [10079.430795][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10079.430795][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10079.430795][ T10] netlink_rcv_skb+0x130/0x360 [10079.430795][ T10] netlink_unicast+0x449/0x710 [10079.430795][ T10] netlink_sendmsg+0x723/0xbe0 [10079.430795][ T10] ____sys_sendmsg+0x7b2/0xa10 [10079.430795][ T10] ___sys_sendmsg+0xee/0x170 [10079.430795][ T10] __sys_sendmsg+0xcd/0x170 [10079.430795][ T10] do_syscall_64+0xc6/0x1e0 [10079.430795][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10079.430795][ T10] [10079.432793][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10079.432793][ T10] netdev_get_by_index+0x5e/0x80 [10079.432793][ T10] fib6_nh_init+0x3d8/0x1580 [10079.432793][ T10] ip6_route_info_create+0xf18/0x17d0 [10079.432793][ T10] addrconf_f6i_alloc+0x315/0x560 [10079.432793][ T10] ipv6_add_addr+0x411/0x2000 [10079.432793][ T10] inet6_addr_add+0x30e/0xa40 [10079.432793][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10079.432793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10079.432793][ T10] netlink_rcv_skb+0x130/0x360 [10079.432793][ T10] netlink_unicast+0x449/0x710 [10079.432793][ T10] netlink_sendmsg+0x723/0xbe0 [10079.432793][ T10] ____sys_sendmsg+0x7b2/0xa10 [10079.432793][ T10] ___sys_sendmsg+0xee/0x170 [10079.432793][ T10] __sys_sendmsg+0xcd/0x170 [10079.432793][ T10] do_syscall_64+0xc6/0x1e0 [10079.432793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10079.432793][ T10] [10079.434786][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10079.434786][ T10] netdev_get_by_index+0x5e/0x80 [10079.434786][ T10] fib6_nh_init+0x3d8/0x1580 [10079.434786][ T10] ip6_route_info_create+0xf18/0x17d0 [10079.434786][ T10] ip6_route_add+0x1c/0x140 [10079.434786][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10079.434786][ T10] addrconf_add_dev+0xe2/0x170 [10079.434786][ T10] inet6_addr_add+0x12f/0xa40 [10079.434786][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10079.434786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10079.434786][ T10] netlink_rcv_skb+0x130/0x360 [10079.434786][ T10] netlink_unicast+0x449/0x710 [10079.434786][ T10] netlink_sendmsg+0x723/0xbe0 [10079.434786][ T10] ____sys_sendmsg+0x7b2/0xa10 [10079.434786][ T10] ___sys_sendmsg+0xee/0x170 [10079.434786][ T10] __sys_sendmsg+0xcd/0x170 [10079.434786][ T10] do_syscall_64+0xc6/0x1e0 [10079.434786][ T10] [10079.436742][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10079.436742][ T10] ipv6_add_dev+0x3ba/0x11c0 [10079.436742][ T10] ipv6_find_idev+0x102/0x170 [10079.436742][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10079.436742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10079.436742][ T10] netlink_rcv_skb+0x130/0x360 [10079.436742][ T10] netlink_unicast+0x449/0x710 [10079.436742][ T10] netlink_sendmsg+0x723/0xbe0 [10079.436742][ T10] ____sys_sendmsg+0x7b2/0xa10 [10079.436742][ T10] ___sys_sendmsg+0xee/0x170 [10079.436742][ T10] __sys_sendmsg+0xcd/0x170 [10079.436742][ T10] do_syscall_64+0xc6/0x1e0 [10079.436742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10079.436742][ T10] [10079.438280][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10079.438280][ T10] neigh_parms_alloc+0x1e5/0x510 [10079.438280][ T10] ipv6_add_dev+0x2fe/0x11c0 [10079.438280][ T10] ipv6_find_idev+0x102/0x170 [10079.438280][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10079.438280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10079.438280][ T10] netlink_rcv_skb+0x130/0x360 [10079.438280][ T10] netlink_unicast+0x449/0x710 [10079.438280][ T10] netlink_sendmsg+0x723/0xbe0 [10079.438280][ T10] ____sys_sendmsg+0x7b2/0xa10 [10079.438280][ T10] ___sys_sendmsg+0xee/0x170 [10079.438280][ T10] __sys_sendmsg+0xcd/0x170 [10079.438280][ T10] do_syscall_64+0xc6/0x1e0 [10079.438280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10079.438280][ T10] [10079.439972][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10079.440216][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10079.440216][ T10] netdev_get_by_index+0x5e/0x80 [10079.440216][ T10] fib6_nh_init+0x3d8/0x1580 [10079.440216][ T10] ip6_route_info_create+0xf18/0x17d0 [10079.440216][ T10] addrconf_f6i_alloc+0x265/0x560 [10079.440216][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10079.440216][ T10] addrconf_join_anycast+0x1c0/0x220 [10079.440216][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10079.440216][ T10] addrconf_dad_completed+0x12b/0xe20 [10079.440216][ T10] addrconf_dad_begin+0x310/0x670 [10079.440216][ T10] addrconf_dad_work+0x10b/0xab0 [10079.440216][ T10] process_one_work+0x84d/0x18a0 [10079.440216][ T10] worker_thread+0x587/0xd30 [10079.440216][ T10] kthread+0x28a/0x350 [10079.440216][ T10] ret_from_fork+0x31/0x70 [10079.440216][ T10] ret_from_fork_asm+0x1a/0x30 [10079.440216][ T10] [10079.442129][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10079.442129][ T10] netdev_get_by_index+0x5e/0x80 [10079.442129][ T10] fib6_nh_init+0x3d8/0x1580 [10079.442129][ T10] ip6_route_info_create+0xf18/0x17d0 [10079.442129][ T10] ip6_route_add+0x1c/0x140 [10079.442129][ T10] addrconf_prefix_route+0x2a6/0x430 [10079.442129][ T10] inet6_addr_add+0x4f8/0xa40 [10079.442129][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10079.442129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10079.442129][ T10] netlink_rcv_skb+0x130/0x360 [10079.442129][ T10] netlink_unicast+0x449/0x710 [10079.442129][ T10] netlink_sendmsg+0x723/0xbe0 [10079.442129][ T10] ____sys_sendmsg+0x7b2/0xa10 [10079.442129][ T10] ___sys_sendmsg+0xee/0x170 [10079.442129][ T10] __sys_sendmsg+0xcd/0x170 [10079.442129][ T10] do_syscall_64+0xc6/0x1e0 [10079.442129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10079.442129][ T10] [10079.444315][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10079.444315][ T10] netdev_get_by_index+0x5e/0x80 [10079.444315][ T10] fib6_nh_init+0x3d8/0x1580 [10079.444315][ T10] ip6_route_info_create+0xf18/0x17d0 [10079.444315][ T10] addrconf_f6i_alloc+0x315/0x560 [10079.444315][ T10] ipv6_add_addr+0x411/0x2000 [10079.444315][ T10] inet6_addr_add+0x30e/0xa40 [10079.444315][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10079.444315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10079.444315][ T10] netlink_rcv_skb+0x130/0x360 [10079.444315][ T10] netlink_unicast+0x449/0x710 [10079.444315][ T10] netlink_sendmsg+0x723/0xbe0 [10079.444315][ T10] ____sys_sendmsg+0x7b2/0xa10 [10079.444315][ T10] ___sys_sendmsg+0xee/0x170 [10079.444315][ T10] __sys_sendmsg+0xcd/0x170 [10079.444315][ T10] do_syscall_64+0xc6/0x1e0 [10079.444315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10079.444315][ T10] [10079.446611][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10079.446611][ T10] netdev_get_by_index+0x5e/0x80 [10079.446611][ T10] fib6_nh_init+0x3d8/0x1580 [10079.446611][ T10] ip6_route_info_create+0xf18/0x17d0 [10079.446611][ T10] ip6_route_add+0x1c/0x140 [10079.446611][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10079.446611][ T10] addrconf_add_dev+0xe2/0x170 [10079.446611][ T10] inet6_addr_add+0x12f/0xa40 [10079.446611][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10079.446611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10079.446611][ T10] netlink_rcv_skb+0x130/0x360 [10079.446611][ T10] netlink_unicast+0x449/0x710 [10079.446611][ T10] netlink_sendmsg+0x723/0xbe0 [10079.446611][ T10] ____sys_sendmsg+0x7b2/0xa10 [10079.446611][ T10] ___sys_sendmsg+0xee/0x170 [10079.446611][ T10] __sys_sendmsg+0xcd/0x170 [10079.446611][ T10] do_syscall_64+0xc6/0x1e0 [10079.446611][ T10] [10079.448741][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10079.448741][ T10] ipv6_add_dev+0x3ba/0x11c0 [10079.448741][ T10] ipv6_find_idev+0x102/0x170 [10079.448741][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10079.448741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10079.448741][ T10] netlink_rcv_skb+0x130/0x360 [10079.448741][ T10] netlink_unicast+0x449/0x710 [10079.448741][ T10] netlink_sendmsg+0x723/0xbe0 [10079.448741][ T10] ____sys_sendmsg+0x7b2/0xa10 [10079.448741][ T10] ___sys_sendmsg+0xee/0x170 [10079.448741][ T10] __sys_sendmsg+0xcd/0x170 [10079.448741][ T10] do_syscall_64+0xc6/0x1e0 [10079.448741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10079.448741][ T10] [10079.450457][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10079.450457][ T10] neigh_parms_alloc+0x1e5/0x510 [10079.450457][ T10] ipv6_add_dev+0x2fe/0x11c0 [10079.450457][ T10] ipv6_find_idev+0x102/0x170 [10079.450457][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10079.450457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10079.450457][ T10] netlink_rcv_skb+0x130/0x360 [10079.450457][ T10] netlink_unicast+0x449/0x710 [10079.450457][ T10] netlink_sendmsg+0x723/0xbe0 [10079.450457][ T10] ____sys_sendmsg+0x7b2/0xa10 [10079.450457][ T10] ___sys_sendmsg+0xee/0x170 [10079.450457][ T10] __sys_sendmsg+0xcd/0x170 [10079.450457][ T10] do_syscall_64+0xc6/0x1e0 [10079.450457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10079.450457][ T10] [10079.452324][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10079.452566][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10079.452566][ T10] netdev_get_by_index+0x5e/0x80 [10079.452566][ T10] fib6_nh_init+0x3d8/0x1580 [10079.452566][ T10] ip6_route_info_create+0xf18/0x17d0 [10079.452566][ T10] addrconf_f6i_alloc+0x265/0x560 [10079.452566][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10079.452566][ T10] addrconf_join_anycast+0x1c0/0x220 [10079.452566][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10079.452566][ T10] addrconf_dad_completed+0x12b/0xe20 [10079.452566][ T10] addrconf_dad_begin+0x310/0x670 [10079.452566][ T10] addrconf_dad_work+0x10b/0xab0 [10079.452566][ T10] process_one_work+0x84d/0x18a0 [10079.452566][ T10] worker_thread+0x587/0xd30 [10079.452566][ T10] kthread+0x28a/0x350 [10079.452566][ T10] ret_from_fork+0x31/0x70 [10079.452566][ T10] ret_from_fork_asm+0x1a/0x30 [10079.452566][ T10] [10079.454792][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10079.454792][ T10] netdev_get_by_index+0x5e/0x80 [10079.454792][ T10] fib6_nh_init+0x3d8/0x1580 [10079.454792][ T10] ip6_route_info_create+0xf18/0x17d0 [10079.454792][ T10] ip6_route_add+0x1c/0x140 [10079.454792][ T10] addrconf_prefix_route+0x2a6/0x430 [10079.454792][ T10] inet6_addr_add+0x4f8/0xa40 [10079.454792][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10079.454792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10079.454792][ T10] netlink_rcv_skb+0x130/0x360 [10079.454792][ T10] netlink_unicast+0x449/0x710 [10079.454792][ T10] netlink_sendmsg+0x723/0xbe0 [10079.454792][ T10] ____sys_sendmsg+0x7b2/0xa10 [10079.454792][ T10] ___sys_sendmsg+0xee/0x170 [10079.454792][ T10] __sys_sendmsg+0xcd/0x170 [10079.454792][ T10] do_syscall_64+0xc6/0x1e0 [10079.454792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10079.454792][ T10] [10079.456965][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10079.456965][ T10] netdev_get_by_index+0x5e/0x80 [10079.456965][ T10] fib6_nh_init+0x3d8/0x1580 [10079.456965][ T10] ip6_route_info_create+0xf18/0x17d0 [10079.456965][ T10] addrconf_f6i_alloc+0x315/0x560 [10079.456965][ T10] ipv6_add_addr+0x411/0x2000 [10079.456965][ T10] inet6_addr_add+0x30e/0xa40 [10079.456965][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10079.456965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10079.456965][ T10] netlink_rcv_skb+0x130/0x360 [10079.456965][ T10] netlink_unicast+0x449/0x710 [10079.456965][ T10] netlink_sendmsg+0x723/0xbe0 [10079.456965][ T10] ____sys_sendmsg+0x7b2/0xa10 [10079.456965][ T10] ___sys_sendmsg+0xee/0x170 [10079.456965][ T10] __sys_sendmsg+0xcd/0x170 [10079.456965][ T10] do_syscall_64+0xc6/0x1e0 [10079.456965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10079.456965][ T10] [10079.459200][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10079.459200][ T10] netdev_get_by_index+0x5e/0x80 [10079.459200][ T10] fib6_nh_init+0x3d8/0x1580 [10079.459200][ T10] ip6_route_info_create+0xf18/0x17d0 [10079.459200][ T10] ip6_route_add+0x1c/0x140 [10079.459200][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10079.459200][ T10] addrconf_add_dev+0xe2/0x170 [10079.459200][ T10] inet6_addr_add+0x12f/0xa40 [10079.459200][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10079.459200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10079.459200][ T10] netlink_rcv_skb+0x130/0x360 [10079.459200][ T10] netlink_unicast+0x449/0x710 [10079.459200][ T10] netlink_sendmsg+0x723/0xbe0 [10079.459200][ T10] ____sys_sendmsg+0x7b2/0xa10 [10079.459200][ T10] ___sys_sendmsg+0xee/0x170 [10079.459200][ T10] __sys_sendmsg+0xcd/0x170 [10079.459200][ T10] do_syscall_64+0xc6/0x1e0 [10079.459200][ T10] [10079.461425][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10079.461425][ T10] ipv6_add_dev+0x3ba/0x11c0 [10079.461425][ T10] ipv6_find_idev+0x102/0x170 [10079.461425][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10079.461425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10079.461425][ T10] netlink_rcv_skb+0x130/0x360 [10079.461425][ T10] netlink_unicast+0x449/0x710 [10079.461425][ T10] netlink_sendmsg+0x723/0xbe0 [10079.461425][ T10] ____sys_sendmsg+0x7b2/0xa10 [10079.461425][ T10] ___sys_sendmsg+0xee/0x170 [10079.461425][ T10] __sys_sendmsg+0xcd/0x170 [10079.461425][ T10] do_syscall_64+0xc6/0x1e0 [10079.461425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10079.461425][ T10] [10079.463137][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10079.463137][ T10] neigh_parms_alloc+0x1e5/0x510 [10079.463137][ T10] ipv6_add_dev+0x2fe/0x11c0 [10079.463137][ T10] ipv6_find_idev+0x102/0x170 [10079.463137][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10079.463137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10079.463137][ T10] netlink_rcv_skb+0x130/0x360 [10079.463137][ T10] netlink_unicast+0x449/0x710 [10079.463137][ T10] netlink_sendmsg+0x723/0xbe0 [10079.463137][ T10] ____sys_sendmsg+0x7b2/0xa10 [10079.463137][ T10] ___sys_sendmsg+0xee/0x170 [10079.463137][ T10] __sys_sendmsg+0xcd/0x170 [10079.463137][ T10] do_syscall_64+0xc6/0x1e0 [10079.463137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10079.463137][ T10] [10081.017114][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10081.017620][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10081.017620][ T1167] dst_init+0x84/0x4a0 [10081.017620][ T1167] dst_alloc+0x97/0x150 [10081.017620][ T1167] ip6_dst_alloc+0x23/0x90 [10081.017620][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10081.017620][ T1167] ip6_pol_route+0x56f/0x840 [10081.017620][ T1167] fib6_rule_lookup+0x334/0x630 [10081.017620][ T1167] ip6_route_output_flags+0x259/0x480 [10081.017620][ T1167] inet6_rtm_getroute+0x980/0xf70 [10081.017620][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10081.017620][ T1167] netlink_rcv_skb+0x130/0x360 [10081.017620][ T1167] netlink_unicast+0x449/0x710 [10081.017620][ T1167] netlink_sendmsg+0x723/0xbe0 [10081.017620][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10081.017620][ T1167] ___sys_sendmsg+0xee/0x170 [10081.017620][ T1167] __sys_sendmsg+0xcd/0x170 [10081.017620][ T1167] do_syscall_64+0xc6/0x1e0 [10081.017620][ T1167] [10081.019851][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10081.019851][ T1167] netdev_get_by_index+0x5e/0x80 [10081.019851][ T1167] fib6_nh_init+0x3d8/0x1580 [10081.019851][ T1167] ip6_route_info_create+0xf18/0x17d0 [10081.019851][ T1167] addrconf_f6i_alloc+0x265/0x560 [10081.019851][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10081.019851][ T1167] addrconf_join_anycast+0x1c0/0x220 [10081.019851][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10081.019851][ T1167] addrconf_dad_completed+0x12b/0xe20 [10081.019851][ T1167] addrconf_dad_begin+0x310/0x670 [10081.019851][ T1167] addrconf_dad_work+0x10b/0xab0 [10081.019851][ T1167] process_one_work+0x84d/0x18a0 [10081.019851][ T1167] worker_thread+0x587/0xd30 [10081.019851][ T1167] kthread+0x28a/0x350 [10081.019851][ T1167] ret_from_fork+0x31/0x70 [10081.019851][ T1167] ret_from_fork_asm+0x1a/0x30 [10081.019851][ T1167] [10081.022013][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10081.022013][ T1167] netdev_get_by_index+0x5e/0x80 [10081.022013][ T1167] fib6_nh_init+0x3d8/0x1580 [10081.022013][ T1167] ip6_route_info_create+0xf18/0x17d0 [10081.022013][ T1167] ip6_route_add+0x1c/0x140 [10081.022013][ T1167] addrconf_prefix_route+0x2a6/0x430 [10081.022013][ T1167] inet6_addr_add+0x4f8/0xa40 [10081.022013][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10081.022013][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10081.022013][ T1167] netlink_rcv_skb+0x130/0x360 [10081.022013][ T1167] netlink_unicast+0x449/0x710 [10081.022013][ T1167] netlink_sendmsg+0x723/0xbe0 [10081.022013][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10081.022013][ T1167] ___sys_sendmsg+0xee/0x170 [10081.022013][ T1167] __sys_sendmsg+0xcd/0x170 [10081.022013][ T1167] do_syscall_64+0xc6/0x1e0 [10081.022013][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10081.022013][ T1167] [10081.024277][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10081.024277][ T1167] netdev_get_by_index+0x5e/0x80 [10081.024277][ T1167] fib6_nh_init+0x3d8/0x1580 [10081.024277][ T1167] ip6_route_info_create+0xf18/0x17d0 [10081.024277][ T1167] addrconf_f6i_alloc+0x315/0x560 [10081.024277][ T1167] ipv6_add_addr+0x411/0x2000 [10081.024277][ T1167] inet6_addr_add+0x30e/0xa40 [10081.024277][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10081.024277][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10081.024277][ T1167] netlink_rcv_skb+0x130/0x360 [10081.024277][ T1167] netlink_unicast+0x449/0x710 [10081.024277][ T1167] netlink_sendmsg+0x723/0xbe0 [10081.024277][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10081.024277][ T1167] ___sys_sendmsg+0xee/0x170 [10081.024277][ T1167] __sys_sendmsg+0xcd/0x170 [10081.024277][ T1167] do_syscall_64+0xc6/0x1e0 [10081.024277][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10081.024277][ T1167] [10081.026536][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10081.026536][ T1167] netdev_get_by_index+0x5e/0x80 [10081.026536][ T1167] fib6_nh_init+0x3d8/0x1580 [10081.026536][ T1167] ip6_route_info_create+0xf18/0x17d0 [10081.026536][ T1167] ip6_route_add+0x1c/0x140 [10081.026536][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10081.026536][ T1167] addrconf_add_dev+0xe2/0x170 [10081.026536][ T1167] inet6_addr_add+0x12f/0xa40 [10081.026536][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10081.026536][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10081.026536][ T1167] netlink_rcv_skb+0x130/0x360 [10081.026536][ T1167] netlink_unicast+0x449/0x710 [10081.026536][ T1167] netlink_sendmsg+0x723/0xbe0 [10081.026536][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10081.026536][ T1167] ___sys_sendmsg+0xee/0x170 [10081.026536][ T1167] __sys_sendmsg+0xcd/0x170 [10081.026536][ T1167] do_syscall_64+0xc6/0x1e0 [10081.026536][ T1167] [10081.028757][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10081.028757][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10081.028757][ T1167] ipv6_find_idev+0x102/0x170 [10081.028757][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10081.028757][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10081.028757][ T1167] netlink_rcv_skb+0x130/0x360 [10081.028757][ T1167] netlink_unicast+0x449/0x710 [10081.028757][ T1167] netlink_sendmsg+0x723/0xbe0 [10081.028757][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10081.028757][ T1167] ___sys_sendmsg+0xee/0x170 [10081.028757][ T1167] __sys_sendmsg+0xcd/0x170 [10081.028757][ T1167] do_syscall_64+0xc6/0x1e0 [10081.028757][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10081.028757][ T1167] [10081.030534][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10081.030534][ T1167] neigh_parms_alloc+0x1e5/0x510 [10081.030534][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10081.030534][ T1167] ipv6_find_idev+0x102/0x170 [10081.030534][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10081.030534][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10081.030534][ T1167] netlink_rcv_skb+0x130/0x360 [10081.030534][ T1167] netlink_unicast+0x449/0x710 [10081.030534][ T1167] netlink_sendmsg+0x723/0xbe0 [10081.030534][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10081.030534][ T1167] ___sys_sendmsg+0xee/0x170 [10081.030534][ T1167] __sys_sendmsg+0xcd/0x170 [10081.030534][ T1167] do_syscall_64+0xc6/0x1e0 [10081.030534][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10081.030534][ T1167] [10089.481161][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10089.481520][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10089.481520][ T10] netdev_get_by_index+0x5e/0x80 [10089.481520][ T10] fib6_nh_init+0x3d8/0x1580 [10089.481520][ T10] ip6_route_info_create+0xf18/0x17d0 [10089.481520][ T10] addrconf_f6i_alloc+0x265/0x560 [10089.481520][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10089.481520][ T10] addrconf_join_anycast+0x1c0/0x220 [10089.481520][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10089.481520][ T10] addrconf_dad_completed+0x12b/0xe20 [10089.481520][ T10] addrconf_dad_begin+0x310/0x670 [10089.481520][ T10] addrconf_dad_work+0x10b/0xab0 [10089.481520][ T10] process_one_work+0x84d/0x18a0 [10089.481520][ T10] worker_thread+0x587/0xd30 [10089.481520][ T10] kthread+0x28a/0x350 [10089.481520][ T10] ret_from_fork+0x31/0x70 [10089.481520][ T10] ret_from_fork_asm+0x1a/0x30 [10089.481520][ T10] [10089.483466][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10089.483466][ T10] netdev_get_by_index+0x5e/0x80 [10089.483466][ T10] fib6_nh_init+0x3d8/0x1580 [10089.483466][ T10] ip6_route_info_create+0xf18/0x17d0 [10089.483466][ T10] ip6_route_add+0x1c/0x140 [10089.483466][ T10] addrconf_prefix_route+0x2a6/0x430 [10089.483466][ T10] inet6_addr_add+0x4f8/0xa40 [10089.483466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10089.483466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10089.483466][ T10] netlink_rcv_skb+0x130/0x360 [10089.483466][ T10] netlink_unicast+0x449/0x710 [10089.483466][ T10] netlink_sendmsg+0x723/0xbe0 [10089.483466][ T10] ____sys_sendmsg+0x7b2/0xa10 [10089.483466][ T10] ___sys_sendmsg+0xee/0x170 [10089.483466][ T10] __sys_sendmsg+0xcd/0x170 [10089.483466][ T10] do_syscall_64+0xc6/0x1e0 [10089.483466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10089.483466][ T10] [10089.485481][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10089.485481][ T10] netdev_get_by_index+0x5e/0x80 [10089.485481][ T10] fib6_nh_init+0x3d8/0x1580 [10089.485481][ T10] ip6_route_info_create+0xf18/0x17d0 [10089.485481][ T10] addrconf_f6i_alloc+0x315/0x560 [10089.485481][ T10] ipv6_add_addr+0x411/0x2000 [10089.485481][ T10] inet6_addr_add+0x30e/0xa40 [10089.485481][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10089.485481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10089.485481][ T10] netlink_rcv_skb+0x130/0x360 [10089.485481][ T10] netlink_unicast+0x449/0x710 [10089.485481][ T10] netlink_sendmsg+0x723/0xbe0 [10089.485481][ T10] ____sys_sendmsg+0x7b2/0xa10 [10089.485481][ T10] ___sys_sendmsg+0xee/0x170 [10089.485481][ T10] __sys_sendmsg+0xcd/0x170 [10089.485481][ T10] do_syscall_64+0xc6/0x1e0 [10089.485481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10089.485481][ T10] [10089.487482][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10089.487482][ T10] netdev_get_by_index+0x5e/0x80 [10089.487482][ T10] fib6_nh_init+0x3d8/0x1580 [10089.487482][ T10] ip6_route_info_create+0xf18/0x17d0 [10089.487482][ T10] ip6_route_add+0x1c/0x140 [10089.487482][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10089.487482][ T10] addrconf_add_dev+0xe2/0x170 [10089.487482][ T10] inet6_addr_add+0x12f/0xa40 [10089.487482][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10089.487482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10089.487482][ T10] netlink_rcv_skb+0x130/0x360 [10089.487482][ T10] netlink_unicast+0x449/0x710 [10089.487482][ T10] netlink_sendmsg+0x723/0xbe0 [10089.487482][ T10] ____sys_sendmsg+0x7b2/0xa10 [10089.487482][ T10] ___sys_sendmsg+0xee/0x170 [10089.487482][ T10] __sys_sendmsg+0xcd/0x170 [10089.487482][ T10] do_syscall_64+0xc6/0x1e0 [10089.487482][ T10] [10089.489456][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10089.489456][ T10] ipv6_add_dev+0x3ba/0x11c0 [10089.489456][ T10] ipv6_find_idev+0x102/0x170 [10089.489456][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10089.489456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10089.489456][ T10] netlink_rcv_skb+0x130/0x360 [10089.489456][ T10] netlink_unicast+0x449/0x710 [10089.489456][ T10] netlink_sendmsg+0x723/0xbe0 [10089.489456][ T10] ____sys_sendmsg+0x7b2/0xa10 [10089.489456][ T10] ___sys_sendmsg+0xee/0x170 [10089.489456][ T10] __sys_sendmsg+0xcd/0x170 [10089.489456][ T10] do_syscall_64+0xc6/0x1e0 [10089.489456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10089.489456][ T10] [10089.491004][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10089.491004][ T10] neigh_parms_alloc+0x1e5/0x510 [10089.491004][ T10] ipv6_add_dev+0x2fe/0x11c0 [10089.491004][ T10] ipv6_find_idev+0x102/0x170 [10089.491004][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10089.491004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10089.491004][ T10] netlink_rcv_skb+0x130/0x360 [10089.491004][ T10] netlink_unicast+0x449/0x710 [10089.491004][ T10] netlink_sendmsg+0x723/0xbe0 [10089.491004][ T10] ____sys_sendmsg+0x7b2/0xa10 [10089.491004][ T10] ___sys_sendmsg+0xee/0x170 [10089.491004][ T10] __sys_sendmsg+0xcd/0x170 [10089.491004][ T10] do_syscall_64+0xc6/0x1e0 [10089.491004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10089.491004][ T10] [10089.492706][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10089.492947][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10089.492947][ T10] netdev_get_by_index+0x5e/0x80 [10089.492947][ T10] fib6_nh_init+0x3d8/0x1580 [10089.492947][ T10] ip6_route_info_create+0xf18/0x17d0 [10089.492947][ T10] addrconf_f6i_alloc+0x265/0x560 [10089.492947][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10089.492947][ T10] addrconf_join_anycast+0x1c0/0x220 [10089.492947][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10089.492947][ T10] addrconf_dad_completed+0x12b/0xe20 [10089.492947][ T10] addrconf_dad_begin+0x310/0x670 [10089.492947][ T10] addrconf_dad_work+0x10b/0xab0 [10089.492947][ T10] process_one_work+0x84d/0x18a0 [10089.492947][ T10] worker_thread+0x587/0xd30 [10089.492947][ T10] kthread+0x28a/0x350 [10089.492947][ T10] ret_from_fork+0x31/0x70 [10089.492947][ T10] ret_from_fork_asm+0x1a/0x30 [10089.492947][ T10] [10089.494864][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10089.494864][ T10] netdev_get_by_index+0x5e/0x80 [10089.494864][ T10] fib6_nh_init+0x3d8/0x1580 [10089.494864][ T10] ip6_route_info_create+0xf18/0x17d0 [10089.494864][ T10] ip6_route_add+0x1c/0x140 [10089.494864][ T10] addrconf_prefix_route+0x2a6/0x430 [10089.494864][ T10] inet6_addr_add+0x4f8/0xa40 [10089.494864][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10089.494864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10089.494864][ T10] netlink_rcv_skb+0x130/0x360 [10089.494864][ T10] netlink_unicast+0x449/0x710 [10089.494864][ T10] netlink_sendmsg+0x723/0xbe0 [10089.494864][ T10] ____sys_sendmsg+0x7b2/0xa10 [10089.494864][ T10] ___sys_sendmsg+0xee/0x170 [10089.494864][ T10] __sys_sendmsg+0xcd/0x170 [10089.494864][ T10] do_syscall_64+0xc6/0x1e0 [10089.494864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10089.494864][ T10] [10089.496851][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10089.496851][ T10] netdev_get_by_index+0x5e/0x80 [10089.496851][ T10] fib6_nh_init+0x3d8/0x1580 [10089.496851][ T10] ip6_route_info_create+0xf18/0x17d0 [10089.496851][ T10] addrconf_f6i_alloc+0x315/0x560 [10089.496851][ T10] ipv6_add_addr+0x411/0x2000 [10089.496851][ T10] inet6_addr_add+0x30e/0xa40 [10089.496851][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10089.496851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10089.496851][ T10] netlink_rcv_skb+0x130/0x360 [10089.496851][ T10] netlink_unicast+0x449/0x710 [10089.496851][ T10] netlink_sendmsg+0x723/0xbe0 [10089.496851][ T10] ____sys_sendmsg+0x7b2/0xa10 [10089.496851][ T10] ___sys_sendmsg+0xee/0x170 [10089.496851][ T10] __sys_sendmsg+0xcd/0x170 [10089.496851][ T10] do_syscall_64+0xc6/0x1e0 [10089.496851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10089.496851][ T10] [10089.498837][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10089.498837][ T10] netdev_get_by_index+0x5e/0x80 [10089.498837][ T10] fib6_nh_init+0x3d8/0x1580 [10089.498837][ T10] ip6_route_info_create+0xf18/0x17d0 [10089.498837][ T10] ip6_route_add+0x1c/0x140 [10089.498837][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10089.498837][ T10] addrconf_add_dev+0xe2/0x170 [10089.498837][ T10] inet6_addr_add+0x12f/0xa40 [10089.498837][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10089.498837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10089.498837][ T10] netlink_rcv_skb+0x130/0x360 [10089.498837][ T10] netlink_unicast+0x449/0x710 [10089.498837][ T10] netlink_sendmsg+0x723/0xbe0 [10089.498837][ T10] ____sys_sendmsg+0x7b2/0xa10 [10089.498837][ T10] ___sys_sendmsg+0xee/0x170 [10089.498837][ T10] __sys_sendmsg+0xcd/0x170 [10089.498837][ T10] do_syscall_64+0xc6/0x1e0 [10089.498837][ T10] [10089.500796][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10089.500796][ T10] ipv6_add_dev+0x3ba/0x11c0 [10089.500796][ T10] ipv6_find_idev+0x102/0x170 [10089.500796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10089.500796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10089.500796][ T10] netlink_rcv_skb+0x130/0x360 [10089.500796][ T10] netlink_unicast+0x449/0x710 [10089.500796][ T10] netlink_sendmsg+0x723/0xbe0 [10089.500796][ T10] ____sys_sendmsg+0x7b2/0xa10 [10089.500796][ T10] ___sys_sendmsg+0xee/0x170 [10089.500796][ T10] __sys_sendmsg+0xcd/0x170 [10089.500796][ T10] do_syscall_64+0xc6/0x1e0 [10089.500796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10089.500796][ T10] [10089.502335][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10089.502335][ T10] neigh_parms_alloc+0x1e5/0x510 [10089.502335][ T10] ipv6_add_dev+0x2fe/0x11c0 [10089.502335][ T10] ipv6_find_idev+0x102/0x170 [10089.502335][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10089.502335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10089.502335][ T10] netlink_rcv_skb+0x130/0x360 [10089.502335][ T10] netlink_unicast+0x449/0x710 [10089.502335][ T10] netlink_sendmsg+0x723/0xbe0 [10089.502335][ T10] ____sys_sendmsg+0x7b2/0xa10 [10089.502335][ T10] ___sys_sendmsg+0xee/0x170 [10089.502335][ T10] __sys_sendmsg+0xcd/0x170 [10089.502335][ T10] do_syscall_64+0xc6/0x1e0 [10089.502335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10089.502335][ T10] [10089.504009][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10089.504248][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10089.504248][ T10] netdev_get_by_index+0x5e/0x80 [10089.504248][ T10] fib6_nh_init+0x3d8/0x1580 [10089.504248][ T10] ip6_route_info_create+0xf18/0x17d0 [10089.504248][ T10] addrconf_f6i_alloc+0x265/0x560 [10089.504248][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10089.504248][ T10] addrconf_join_anycast+0x1c0/0x220 [10089.504248][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10089.504248][ T10] addrconf_dad_completed+0x12b/0xe20 [10089.504248][ T10] addrconf_dad_begin+0x310/0x670 [10089.504248][ T10] addrconf_dad_work+0x10b/0xab0 [10089.504248][ T10] process_one_work+0x84d/0x18a0 [10089.504248][ T10] worker_thread+0x587/0xd30 [10089.504248][ T10] kthread+0x28a/0x350 [10089.504248][ T10] ret_from_fork+0x31/0x70 [10089.504248][ T10] ret_from_fork_asm+0x1a/0x30 [10089.504248][ T10] [10089.506415][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10089.506415][ T10] netdev_get_by_index+0x5e/0x80 [10089.506415][ T10] fib6_nh_init+0x3d8/0x1580 [10089.506415][ T10] ip6_route_info_create+0xf18/0x17d0 [10089.506415][ T10] ip6_route_add+0x1c/0x140 [10089.506415][ T10] addrconf_prefix_route+0x2a6/0x430 [10089.506415][ T10] inet6_addr_add+0x4f8/0xa40 [10089.506415][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10089.506415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10089.506415][ T10] netlink_rcv_skb+0x130/0x360 [10089.506415][ T10] netlink_unicast+0x449/0x710 [10089.506415][ T10] netlink_sendmsg+0x723/0xbe0 [10089.506415][ T10] ____sys_sendmsg+0x7b2/0xa10 [10089.506415][ T10] ___sys_sendmsg+0xee/0x170 [10089.506415][ T10] __sys_sendmsg+0xcd/0x170 [10089.506415][ T10] do_syscall_64+0xc6/0x1e0 [10089.506415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10089.506415][ T10] [10089.509839][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10089.509839][ T10] netdev_get_by_index+0x5e/0x80 [10089.509839][ T10] fib6_nh_init+0x3d8/0x1580 [10089.509839][ T10] ip6_route_info_create+0xf18/0x17d0 [10089.509839][ T10] addrconf_f6i_alloc+0x315/0x560 [10089.509839][ T10] ipv6_add_addr+0x411/0x2000 [10089.509839][ T10] inet6_addr_add+0x30e/0xa40 [10089.509839][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10089.509839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10089.509839][ T10] netlink_rcv_skb+0x130/0x360 [10089.509839][ T10] netlink_unicast+0x449/0x710 [10089.509839][ T10] netlink_sendmsg+0x723/0xbe0 [10089.509839][ T10] ____sys_sendmsg+0x7b2/0xa10 [10089.509839][ T10] ___sys_sendmsg+0xee/0x170 [10089.509839][ T10] __sys_sendmsg+0xcd/0x170 [10089.509839][ T10] do_syscall_64+0xc6/0x1e0 [10089.509839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10089.509839][ T10] [10089.513511][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10089.513511][ T10] netdev_get_by_index+0x5e/0x80 [10089.513511][ T10] fib6_nh_init+0x3d8/0x1580 [10089.513511][ T10] ip6_route_info_create+0xf18/0x17d0 [10089.513511][ T10] ip6_route_add+0x1c/0x140 [10089.513511][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10089.513511][ T10] addrconf_add_dev+0xe2/0x170 [10089.513511][ T10] inet6_addr_add+0x12f/0xa40 [10089.513511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10089.513511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10089.513511][ T10] netlink_rcv_skb+0x130/0x360 [10089.513511][ T10] netlink_unicast+0x449/0x710 [10089.513511][ T10] netlink_sendmsg+0x723/0xbe0 [10089.513511][ T10] ____sys_sendmsg+0x7b2/0xa10 [10089.513511][ T10] ___sys_sendmsg+0xee/0x170 [10089.513511][ T10] __sys_sendmsg+0xcd/0x170 [10089.513511][ T10] do_syscall_64+0xc6/0x1e0 [10089.513511][ T10] [10089.516864][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10089.516864][ T10] ipv6_add_dev+0x3ba/0x11c0 [10089.516864][ T10] ipv6_find_idev+0x102/0x170 [10089.516864][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10089.516864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10089.516864][ T10] netlink_rcv_skb+0x130/0x360 [10089.516864][ T10] netlink_unicast+0x449/0x710 [10089.516864][ T10] netlink_sendmsg+0x723/0xbe0 [10089.516864][ T10] ____sys_sendmsg+0x7b2/0xa10 [10089.516864][ T10] ___sys_sendmsg+0xee/0x170 [10089.516864][ T10] __sys_sendmsg+0xcd/0x170 [10089.516864][ T10] do_syscall_64+0xc6/0x1e0 [10089.516864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10089.516864][ T10] [10089.519220][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10089.519220][ T10] neigh_parms_alloc+0x1e5/0x510 [10089.519220][ T10] ipv6_add_dev+0x2fe/0x11c0 [10089.519220][ T10] ipv6_find_idev+0x102/0x170 [10089.519220][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10089.519220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10089.519220][ T10] netlink_rcv_skb+0x130/0x360 [10089.519220][ T10] netlink_unicast+0x449/0x710 [10089.519220][ T10] netlink_sendmsg+0x723/0xbe0 [10089.519220][ T10] ____sys_sendmsg+0x7b2/0xa10 [10089.519220][ T10] ___sys_sendmsg+0xee/0x170 [10089.519220][ T10] __sys_sendmsg+0xcd/0x170 [10089.519220][ T10] do_syscall_64+0xc6/0x1e0 [10089.519220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10089.519220][ T10] [10089.521656][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10089.521905][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10089.521905][ T10] netdev_get_by_index+0x5e/0x80 [10089.521905][ T10] fib6_nh_init+0x3d8/0x1580 [10089.521905][ T10] ip6_route_info_create+0xf18/0x17d0 [10089.521905][ T10] addrconf_f6i_alloc+0x265/0x560 [10089.521905][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10089.521905][ T10] addrconf_join_anycast+0x1c0/0x220 [10089.521905][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10089.521905][ T10] addrconf_dad_completed+0x12b/0xe20 [10089.521905][ T10] addrconf_dad_begin+0x310/0x670 [10089.521905][ T10] addrconf_dad_work+0x10b/0xab0 [10089.521905][ T10] process_one_work+0x84d/0x18a0 [10089.521905][ T10] worker_thread+0x587/0xd30 [10089.521905][ T10] kthread+0x28a/0x350 [10089.521905][ T10] ret_from_fork+0x31/0x70 [10089.521905][ T10] ret_from_fork_asm+0x1a/0x30 [10089.521905][ T10] [10089.524142][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10089.524142][ T10] netdev_get_by_index+0x5e/0x80 [10089.524142][ T10] fib6_nh_init+0x3d8/0x1580 [10089.524142][ T10] ip6_route_info_create+0xf18/0x17d0 [10089.524142][ T10] ip6_route_add+0x1c/0x140 [10089.524142][ T10] addrconf_prefix_route+0x2a6/0x430 [10089.524142][ T10] inet6_addr_add+0x4f8/0xa40 [10089.524142][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10089.524142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10089.524142][ T10] netlink_rcv_skb+0x130/0x360 [10089.524142][ T10] netlink_unicast+0x449/0x710 [10089.524142][ T10] netlink_sendmsg+0x723/0xbe0 [10089.524142][ T10] ____sys_sendmsg+0x7b2/0xa10 [10089.524142][ T10] ___sys_sendmsg+0xee/0x170 [10089.524142][ T10] __sys_sendmsg+0xcd/0x170 [10089.524142][ T10] do_syscall_64+0xc6/0x1e0 [10089.524142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10089.524142][ T10] [10089.526331][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10089.526331][ T10] netdev_get_by_index+0x5e/0x80 [10089.526331][ T10] fib6_nh_init+0x3d8/0x1580 [10089.526331][ T10] ip6_route_info_create+0xf18/0x17d0 [10089.526331][ T10] addrconf_f6i_alloc+0x315/0x560 [10089.526331][ T10] ipv6_add_addr+0x411/0x2000 [10089.526331][ T10] inet6_addr_add+0x30e/0xa40 [10089.526331][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10089.526331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10089.526331][ T10] netlink_rcv_skb+0x130/0x360 [10089.526331][ T10] netlink_unicast+0x449/0x710 [10089.526331][ T10] netlink_sendmsg+0x723/0xbe0 [10089.526331][ T10] ____sys_sendmsg+0x7b2/0xa10 [10089.526331][ T10] ___sys_sendmsg+0xee/0x170 [10089.526331][ T10] __sys_sendmsg+0xcd/0x170 [10089.526331][ T10] do_syscall_64+0xc6/0x1e0 [10089.526331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10089.526331][ T10] [10089.528569][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10089.528569][ T10] netdev_get_by_index+0x5e/0x80 [10089.528569][ T10] fib6_nh_init+0x3d8/0x1580 [10089.528569][ T10] ip6_route_info_create+0xf18/0x17d0 [10089.528569][ T10] ip6_route_add+0x1c/0x140 [10089.528569][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10089.528569][ T10] addrconf_add_dev+0xe2/0x170 [10089.528569][ T10] inet6_addr_add+0x12f/0xa40 [10089.528569][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10089.528569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10089.528569][ T10] netlink_rcv_skb+0x130/0x360 [10089.528569][ T10] netlink_unicast+0x449/0x710 [10089.528569][ T10] netlink_sendmsg+0x723/0xbe0 [10089.528569][ T10] ____sys_sendmsg+0x7b2/0xa10 [10089.528569][ T10] ___sys_sendmsg+0xee/0x170 [10089.528569][ T10] __sys_sendmsg+0xcd/0x170 [10089.528569][ T10] do_syscall_64+0xc6/0x1e0 [10089.528569][ T10] [10089.531125][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10089.531125][ T10] ipv6_add_dev+0x3ba/0x11c0 [10089.531125][ T10] ipv6_find_idev+0x102/0x170 [10089.531125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10089.531125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10089.531125][ T10] netlink_rcv_skb+0x130/0x360 [10089.531125][ T10] netlink_unicast+0x449/0x710 [10089.531125][ T10] netlink_sendmsg+0x723/0xbe0 [10089.531125][ T10] ____sys_sendmsg+0x7b2/0xa10 [10089.531125][ T10] ___sys_sendmsg+0xee/0x170 [10089.531125][ T10] __sys_sendmsg+0xcd/0x170 [10089.531125][ T10] do_syscall_64+0xc6/0x1e0 [10089.531125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10089.531125][ T10] [10089.532848][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10089.532848][ T10] neigh_parms_alloc+0x1e5/0x510 [10089.532848][ T10] ipv6_add_dev+0x2fe/0x11c0 [10089.532848][ T10] ipv6_find_idev+0x102/0x170 [10089.532848][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10089.532848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10089.532848][ T10] netlink_rcv_skb+0x130/0x360 [10089.532848][ T10] netlink_unicast+0x449/0x710 [10089.532848][ T10] netlink_sendmsg+0x723/0xbe0 [10089.532848][ T10] ____sys_sendmsg+0x7b2/0xa10 [10089.532848][ T10] ___sys_sendmsg+0xee/0x170 [10089.532848][ T10] __sys_sendmsg+0xcd/0x170 [10089.532848][ T10] do_syscall_64+0xc6/0x1e0 [10089.532848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10089.532848][ T10] [10091.273135][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10091.273653][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10091.273653][ T1167] dst_init+0x84/0x4a0 [10091.273653][ T1167] dst_alloc+0x97/0x150 [10091.273653][ T1167] ip6_dst_alloc+0x23/0x90 [10091.273653][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10091.273653][ T1167] ip6_pol_route+0x56f/0x840 [10091.273653][ T1167] fib6_rule_lookup+0x334/0x630 [10091.273653][ T1167] ip6_route_output_flags+0x259/0x480 [10091.273653][ T1167] inet6_rtm_getroute+0x980/0xf70 [10091.273653][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10091.273653][ T1167] netlink_rcv_skb+0x130/0x360 [10091.273653][ T1167] netlink_unicast+0x449/0x710 [10091.273653][ T1167] netlink_sendmsg+0x723/0xbe0 [10091.273653][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10091.273653][ T1167] ___sys_sendmsg+0xee/0x170 [10091.273653][ T1167] __sys_sendmsg+0xcd/0x170 [10091.273653][ T1167] do_syscall_64+0xc6/0x1e0 [10091.273653][ T1167] [10091.275880][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10091.275880][ T1167] netdev_get_by_index+0x5e/0x80 [10091.275880][ T1167] fib6_nh_init+0x3d8/0x1580 [10091.275880][ T1167] ip6_route_info_create+0xf18/0x17d0 [10091.275880][ T1167] addrconf_f6i_alloc+0x265/0x560 [10091.275880][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10091.275880][ T1167] addrconf_join_anycast+0x1c0/0x220 [10091.275880][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10091.275880][ T1167] addrconf_dad_completed+0x12b/0xe20 [10091.275880][ T1167] addrconf_dad_begin+0x310/0x670 [10091.275880][ T1167] addrconf_dad_work+0x10b/0xab0 [10091.275880][ T1167] process_one_work+0x84d/0x18a0 [10091.275880][ T1167] worker_thread+0x587/0xd30 [10091.275880][ T1167] kthread+0x28a/0x350 [10091.275880][ T1167] ret_from_fork+0x31/0x70 [10091.275880][ T1167] ret_from_fork_asm+0x1a/0x30 [10091.275880][ T1167] [10091.278076][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10091.278076][ T1167] netdev_get_by_index+0x5e/0x80 [10091.278076][ T1167] fib6_nh_init+0x3d8/0x1580 [10091.278076][ T1167] ip6_route_info_create+0xf18/0x17d0 [10091.278076][ T1167] ip6_route_add+0x1c/0x140 [10091.278076][ T1167] addrconf_prefix_route+0x2a6/0x430 [10091.278076][ T1167] inet6_addr_add+0x4f8/0xa40 [10091.278076][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10091.278076][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10091.278076][ T1167] netlink_rcv_skb+0x130/0x360 [10091.278076][ T1167] netlink_unicast+0x449/0x710 [10091.278076][ T1167] netlink_sendmsg+0x723/0xbe0 [10091.278076][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10091.278076][ T1167] ___sys_sendmsg+0xee/0x170 [10091.278076][ T1167] __sys_sendmsg+0xcd/0x170 [10091.278076][ T1167] do_syscall_64+0xc6/0x1e0 [10091.278076][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10091.278076][ T1167] [10091.280366][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10091.280366][ T1167] netdev_get_by_index+0x5e/0x80 [10091.280366][ T1167] fib6_nh_init+0x3d8/0x1580 [10091.280366][ T1167] ip6_route_info_create+0xf18/0x17d0 [10091.280366][ T1167] addrconf_f6i_alloc+0x315/0x560 [10091.280366][ T1167] ipv6_add_addr+0x411/0x2000 [10091.280366][ T1167] inet6_addr_add+0x30e/0xa40 [10091.280366][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10091.280366][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10091.280366][ T1167] netlink_rcv_skb+0x130/0x360 [10091.280366][ T1167] netlink_unicast+0x449/0x710 [10091.280366][ T1167] netlink_sendmsg+0x723/0xbe0 [10091.280366][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10091.280366][ T1167] ___sys_sendmsg+0xee/0x170 [10091.280366][ T1167] __sys_sendmsg+0xcd/0x170 [10091.280366][ T1167] do_syscall_64+0xc6/0x1e0 [10091.280366][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10091.280366][ T1167] [10091.282645][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10091.282645][ T1167] netdev_get_by_index+0x5e/0x80 [10091.282645][ T1167] fib6_nh_init+0x3d8/0x1580 [10091.282645][ T1167] ip6_route_info_create+0xf18/0x17d0 [10091.282645][ T1167] ip6_route_add+0x1c/0x140 [10091.282645][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10091.282645][ T1167] addrconf_add_dev+0xe2/0x170 [10091.282645][ T1167] inet6_addr_add+0x12f/0xa40 [10091.282645][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10091.282645][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10091.282645][ T1167] netlink_rcv_skb+0x130/0x360 [10091.282645][ T1167] netlink_unicast+0x449/0x710 [10091.282645][ T1167] netlink_sendmsg+0x723/0xbe0 [10091.282645][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10091.282645][ T1167] ___sys_sendmsg+0xee/0x170 [10091.282645][ T1167] __sys_sendmsg+0xcd/0x170 [10091.282645][ T1167] do_syscall_64+0xc6/0x1e0 [10091.282645][ T1167] [10091.284893][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10091.284893][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10091.284893][ T1167] ipv6_find_idev+0x102/0x170 [10091.284893][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10091.284893][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10091.284893][ T1167] netlink_rcv_skb+0x130/0x360 [10091.284893][ T1167] netlink_unicast+0x449/0x710 [10091.284893][ T1167] netlink_sendmsg+0x723/0xbe0 [10091.284893][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10091.284893][ T1167] ___sys_sendmsg+0xee/0x170 [10091.284893][ T1167] __sys_sendmsg+0xcd/0x170 [10091.284893][ T1167] do_syscall_64+0xc6/0x1e0 [10091.284893][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10091.284893][ T1167] [10091.286636][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10091.286636][ T1167] neigh_parms_alloc+0x1e5/0x510 [10091.286636][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10091.286636][ T1167] ipv6_find_idev+0x102/0x170 [10091.286636][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10091.286636][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10091.286636][ T1167] netlink_rcv_skb+0x130/0x360 [10091.286636][ T1167] netlink_unicast+0x449/0x710 [10091.286636][ T1167] netlink_sendmsg+0x723/0xbe0 [10091.286636][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10091.286636][ T1167] ___sys_sendmsg+0xee/0x170 [10091.286636][ T1167] __sys_sendmsg+0xcd/0x170 [10091.286636][ T1167] do_syscall_64+0xc6/0x1e0 [10091.286636][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10091.286636][ T1167] [10099.785109][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10099.785523][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10099.785523][ T10] netdev_get_by_index+0x5e/0x80 [10099.785523][ T10] fib6_nh_init+0x3d8/0x1580 [10099.785523][ T10] ip6_route_info_create+0xf18/0x17d0 [10099.785523][ T10] addrconf_f6i_alloc+0x265/0x560 [10099.785523][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10099.785523][ T10] addrconf_join_anycast+0x1c0/0x220 [10099.785523][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10099.785523][ T10] addrconf_dad_completed+0x12b/0xe20 [10099.785523][ T10] addrconf_dad_begin+0x310/0x670 [10099.785523][ T10] addrconf_dad_work+0x10b/0xab0 [10099.785523][ T10] process_one_work+0x84d/0x18a0 [10099.785523][ T10] worker_thread+0x587/0xd30 [10099.785523][ T10] kthread+0x28a/0x350 [10099.785523][ T10] ret_from_fork+0x31/0x70 [10099.785523][ T10] ret_from_fork_asm+0x1a/0x30 [10099.785523][ T10] [10099.787461][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10099.787461][ T10] netdev_get_by_index+0x5e/0x80 [10099.787461][ T10] fib6_nh_init+0x3d8/0x1580 [10099.787461][ T10] ip6_route_info_create+0xf18/0x17d0 [10099.787461][ T10] ip6_route_add+0x1c/0x140 [10099.787461][ T10] addrconf_prefix_route+0x2a6/0x430 [10099.787461][ T10] inet6_addr_add+0x4f8/0xa40 [10099.787461][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10099.787461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10099.787461][ T10] netlink_rcv_skb+0x130/0x360 [10099.787461][ T10] netlink_unicast+0x449/0x710 [10099.787461][ T10] netlink_sendmsg+0x723/0xbe0 [10099.787461][ T10] ____sys_sendmsg+0x7b2/0xa10 [10099.787461][ T10] ___sys_sendmsg+0xee/0x170 [10099.787461][ T10] __sys_sendmsg+0xcd/0x170 [10099.787461][ T10] do_syscall_64+0xc6/0x1e0 [10099.787461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10099.787461][ T10] [10099.789455][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10099.789455][ T10] netdev_get_by_index+0x5e/0x80 [10099.789455][ T10] fib6_nh_init+0x3d8/0x1580 [10099.789455][ T10] ip6_route_info_create+0xf18/0x17d0 [10099.789455][ T10] addrconf_f6i_alloc+0x315/0x560 [10099.789455][ T10] ipv6_add_addr+0x411/0x2000 [10099.789455][ T10] inet6_addr_add+0x30e/0xa40 [10099.789455][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10099.789455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10099.789455][ T10] netlink_rcv_skb+0x130/0x360 [10099.789455][ T10] netlink_unicast+0x449/0x710 [10099.789455][ T10] netlink_sendmsg+0x723/0xbe0 [10099.789455][ T10] ____sys_sendmsg+0x7b2/0xa10 [10099.789455][ T10] ___sys_sendmsg+0xee/0x170 [10099.789455][ T10] __sys_sendmsg+0xcd/0x170 [10099.789455][ T10] do_syscall_64+0xc6/0x1e0 [10099.789455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10099.789455][ T10] [10099.791453][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10099.791453][ T10] netdev_get_by_index+0x5e/0x80 [10099.791453][ T10] fib6_nh_init+0x3d8/0x1580 [10099.791453][ T10] ip6_route_info_create+0xf18/0x17d0 [10099.791453][ T10] ip6_route_add+0x1c/0x140 [10099.791453][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10099.791453][ T10] addrconf_add_dev+0xe2/0x170 [10099.791453][ T10] inet6_addr_add+0x12f/0xa40 [10099.791453][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10099.791453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10099.791453][ T10] netlink_rcv_skb+0x130/0x360 [10099.791453][ T10] netlink_unicast+0x449/0x710 [10099.791453][ T10] netlink_sendmsg+0x723/0xbe0 [10099.791453][ T10] ____sys_sendmsg+0x7b2/0xa10 [10099.791453][ T10] ___sys_sendmsg+0xee/0x170 [10099.791453][ T10] __sys_sendmsg+0xcd/0x170 [10099.791453][ T10] do_syscall_64+0xc6/0x1e0 [10099.791453][ T10] [10099.793406][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10099.793406][ T10] ipv6_add_dev+0x3ba/0x11c0 [10099.793406][ T10] ipv6_find_idev+0x102/0x170 [10099.793406][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10099.793406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10099.793406][ T10] netlink_rcv_skb+0x130/0x360 [10099.793406][ T10] netlink_unicast+0x449/0x710 [10099.793406][ T10] netlink_sendmsg+0x723/0xbe0 [10099.793406][ T10] ____sys_sendmsg+0x7b2/0xa10 [10099.793406][ T10] ___sys_sendmsg+0xee/0x170 [10099.793406][ T10] __sys_sendmsg+0xcd/0x170 [10099.793406][ T10] do_syscall_64+0xc6/0x1e0 [10099.793406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10099.793406][ T10] [10099.794936][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10099.794936][ T10] neigh_parms_alloc+0x1e5/0x510 [10099.794936][ T10] ipv6_add_dev+0x2fe/0x11c0 [10099.794936][ T10] ipv6_find_idev+0x102/0x170 [10099.794936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10099.794936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10099.794936][ T10] netlink_rcv_skb+0x130/0x360 [10099.794936][ T10] netlink_unicast+0x449/0x710 [10099.794936][ T10] netlink_sendmsg+0x723/0xbe0 [10099.794936][ T10] ____sys_sendmsg+0x7b2/0xa10 [10099.794936][ T10] ___sys_sendmsg+0xee/0x170 [10099.794936][ T10] __sys_sendmsg+0xcd/0x170 [10099.794936][ T10] do_syscall_64+0xc6/0x1e0 [10099.794936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10099.794936][ T10] [10099.796612][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10099.796855][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10099.796855][ T10] netdev_get_by_index+0x5e/0x80 [10099.796855][ T10] fib6_nh_init+0x3d8/0x1580 [10099.796855][ T10] ip6_route_info_create+0xf18/0x17d0 [10099.796855][ T10] addrconf_f6i_alloc+0x265/0x560 [10099.796855][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10099.796855][ T10] addrconf_join_anycast+0x1c0/0x220 [10099.796855][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10099.796855][ T10] addrconf_dad_completed+0x12b/0xe20 [10099.796855][ T10] addrconf_dad_begin+0x310/0x670 [10099.796855][ T10] addrconf_dad_work+0x10b/0xab0 [10099.796855][ T10] process_one_work+0x84d/0x18a0 [10099.796855][ T10] worker_thread+0x587/0xd30 [10099.796855][ T10] kthread+0x28a/0x350 [10099.796855][ T10] ret_from_fork+0x31/0x70 [10099.796855][ T10] ret_from_fork_asm+0x1a/0x30 [10099.796855][ T10] [10099.798761][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10099.798761][ T10] netdev_get_by_index+0x5e/0x80 [10099.798761][ T10] fib6_nh_init+0x3d8/0x1580 [10099.798761][ T10] ip6_route_info_create+0xf18/0x17d0 [10099.798761][ T10] ip6_route_add+0x1c/0x140 [10099.798761][ T10] addrconf_prefix_route+0x2a6/0x430 [10099.798761][ T10] inet6_addr_add+0x4f8/0xa40 [10099.798761][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10099.798761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10099.798761][ T10] netlink_rcv_skb+0x130/0x360 [10099.798761][ T10] netlink_unicast+0x449/0x710 [10099.798761][ T10] netlink_sendmsg+0x723/0xbe0 [10099.798761][ T10] ____sys_sendmsg+0x7b2/0xa10 [10099.798761][ T10] ___sys_sendmsg+0xee/0x170 [10099.798761][ T10] __sys_sendmsg+0xcd/0x170 [10099.798761][ T10] do_syscall_64+0xc6/0x1e0 [10099.798761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10099.798761][ T10] [10099.800753][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10099.800753][ T10] netdev_get_by_index+0x5e/0x80 [10099.800753][ T10] fib6_nh_init+0x3d8/0x1580 [10099.800753][ T10] ip6_route_info_create+0xf18/0x17d0 [10099.800753][ T10] addrconf_f6i_alloc+0x315/0x560 [10099.800753][ T10] ipv6_add_addr+0x411/0x2000 [10099.800753][ T10] inet6_addr_add+0x30e/0xa40 [10099.800753][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10099.800753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10099.800753][ T10] netlink_rcv_skb+0x130/0x360 [10099.800753][ T10] netlink_unicast+0x449/0x710 [10099.800753][ T10] netlink_sendmsg+0x723/0xbe0 [10099.800753][ T10] ____sys_sendmsg+0x7b2/0xa10 [10099.800753][ T10] ___sys_sendmsg+0xee/0x170 [10099.800753][ T10] __sys_sendmsg+0xcd/0x170 [10099.800753][ T10] do_syscall_64+0xc6/0x1e0 [10099.800753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10099.800753][ T10] [10099.802750][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10099.802750][ T10] netdev_get_by_index+0x5e/0x80 [10099.802750][ T10] fib6_nh_init+0x3d8/0x1580 [10099.802750][ T10] ip6_route_info_create+0xf18/0x17d0 [10099.802750][ T10] ip6_route_add+0x1c/0x140 [10099.802750][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10099.802750][ T10] addrconf_add_dev+0xe2/0x170 [10099.802750][ T10] inet6_addr_add+0x12f/0xa40 [10099.802750][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10099.802750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10099.802750][ T10] netlink_rcv_skb+0x130/0x360 [10099.802750][ T10] netlink_unicast+0x449/0x710 [10099.802750][ T10] netlink_sendmsg+0x723/0xbe0 [10099.802750][ T10] ____sys_sendmsg+0x7b2/0xa10 [10099.802750][ T10] ___sys_sendmsg+0xee/0x170 [10099.802750][ T10] __sys_sendmsg+0xcd/0x170 [10099.802750][ T10] do_syscall_64+0xc6/0x1e0 [10099.802750][ T10] [10099.804700][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10099.804700][ T10] ipv6_add_dev+0x3ba/0x11c0 [10099.804700][ T10] ipv6_find_idev+0x102/0x170 [10099.804700][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10099.804700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10099.804700][ T10] netlink_rcv_skb+0x130/0x360 [10099.804700][ T10] netlink_unicast+0x449/0x710 [10099.804700][ T10] netlink_sendmsg+0x723/0xbe0 [10099.804700][ T10] ____sys_sendmsg+0x7b2/0xa10 [10099.804700][ T10] ___sys_sendmsg+0xee/0x170 [10099.804700][ T10] __sys_sendmsg+0xcd/0x170 [10099.804700][ T10] do_syscall_64+0xc6/0x1e0 [10099.804700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10099.804700][ T10] [10099.806231][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10099.806231][ T10] neigh_parms_alloc+0x1e5/0x510 [10099.806231][ T10] ipv6_add_dev+0x2fe/0x11c0 [10099.806231][ T10] ipv6_find_idev+0x102/0x170 [10099.806231][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10099.806231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10099.806231][ T10] netlink_rcv_skb+0x130/0x360 [10099.806231][ T10] netlink_unicast+0x449/0x710 [10099.806231][ T10] netlink_sendmsg+0x723/0xbe0 [10099.806231][ T10] ____sys_sendmsg+0x7b2/0xa10 [10099.806231][ T10] ___sys_sendmsg+0xee/0x170 [10099.806231][ T10] __sys_sendmsg+0xcd/0x170 [10099.806231][ T10] do_syscall_64+0xc6/0x1e0 [10099.806231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10099.806231][ T10] [10099.807901][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10099.808147][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10099.808147][ T10] netdev_get_by_index+0x5e/0x80 [10099.808147][ T10] fib6_nh_init+0x3d8/0x1580 [10099.808147][ T10] ip6_route_info_create+0xf18/0x17d0 [10099.808147][ T10] addrconf_f6i_alloc+0x265/0x560 [10099.808147][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10099.808147][ T10] addrconf_join_anycast+0x1c0/0x220 [10099.808147][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10099.808147][ T10] addrconf_dad_completed+0x12b/0xe20 [10099.808147][ T10] addrconf_dad_begin+0x310/0x670 [10099.808147][ T10] addrconf_dad_work+0x10b/0xab0 [10099.808147][ T10] process_one_work+0x84d/0x18a0 [10099.808147][ T10] worker_thread+0x587/0xd30 [10099.808147][ T10] kthread+0x28a/0x350 [10099.808147][ T10] ret_from_fork+0x31/0x70 [10099.808147][ T10] ret_from_fork_asm+0x1a/0x30 [10099.808147][ T10] [10099.810054][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10099.810054][ T10] netdev_get_by_index+0x5e/0x80 [10099.810054][ T10] fib6_nh_init+0x3d8/0x1580 [10099.810054][ T10] ip6_route_info_create+0xf18/0x17d0 [10099.810054][ T10] ip6_route_add+0x1c/0x140 [10099.810054][ T10] addrconf_prefix_route+0x2a6/0x430 [10099.810054][ T10] inet6_addr_add+0x4f8/0xa40 [10099.810054][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10099.810054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10099.810054][ T10] netlink_rcv_skb+0x130/0x360 [10099.810054][ T10] netlink_unicast+0x449/0x710 [10099.810054][ T10] netlink_sendmsg+0x723/0xbe0 [10099.810054][ T10] ____sys_sendmsg+0x7b2/0xa10 [10099.810054][ T10] ___sys_sendmsg+0xee/0x170 [10099.810054][ T10] __sys_sendmsg+0xcd/0x170 [10099.810054][ T10] do_syscall_64+0xc6/0x1e0 [10099.810054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10099.810054][ T10] [10099.812237][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10099.812237][ T10] netdev_get_by_index+0x5e/0x80 [10099.812237][ T10] fib6_nh_init+0x3d8/0x1580 [10099.812237][ T10] ip6_route_info_create+0xf18/0x17d0 [10099.812237][ T10] addrconf_f6i_alloc+0x315/0x560 [10099.812237][ T10] ipv6_add_addr+0x411/0x2000 [10099.812237][ T10] inet6_addr_add+0x30e/0xa40 [10099.812237][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10099.812237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10099.812237][ T10] netlink_rcv_skb+0x130/0x360 [10099.812237][ T10] netlink_unicast+0x449/0x710 [10099.812237][ T10] netlink_sendmsg+0x723/0xbe0 [10099.812237][ T10] ____sys_sendmsg+0x7b2/0xa10 [10099.812237][ T10] ___sys_sendmsg+0xee/0x170 [10099.812237][ T10] __sys_sendmsg+0xcd/0x170 [10099.812237][ T10] do_syscall_64+0xc6/0x1e0 [10099.812237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10099.812237][ T10] [10099.814526][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10099.814526][ T10] netdev_get_by_index+0x5e/0x80 [10099.814526][ T10] fib6_nh_init+0x3d8/0x1580 [10099.814526][ T10] ip6_route_info_create+0xf18/0x17d0 [10099.814526][ T10] ip6_route_add+0x1c/0x140 [10099.814526][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10099.814526][ T10] addrconf_add_dev+0xe2/0x170 [10099.814526][ T10] inet6_addr_add+0x12f/0xa40 [10099.814526][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10099.814526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10099.814526][ T10] netlink_rcv_skb+0x130/0x360 [10099.814526][ T10] netlink_unicast+0x449/0x710 [10099.814526][ T10] netlink_sendmsg+0x723/0xbe0 [10099.814526][ T10] ____sys_sendmsg+0x7b2/0xa10 [10099.814526][ T10] ___sys_sendmsg+0xee/0x170 [10099.814526][ T10] __sys_sendmsg+0xcd/0x170 [10099.814526][ T10] do_syscall_64+0xc6/0x1e0 [10099.814526][ T10] [10099.816650][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10099.816650][ T10] ipv6_add_dev+0x3ba/0x11c0 [10099.816650][ T10] ipv6_find_idev+0x102/0x170 [10099.816650][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10099.816650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10099.816650][ T10] netlink_rcv_skb+0x130/0x360 [10099.816650][ T10] netlink_unicast+0x449/0x710 [10099.816650][ T10] netlink_sendmsg+0x723/0xbe0 [10099.816650][ T10] ____sys_sendmsg+0x7b2/0xa10 [10099.816650][ T10] ___sys_sendmsg+0xee/0x170 [10099.816650][ T10] __sys_sendmsg+0xcd/0x170 [10099.816650][ T10] do_syscall_64+0xc6/0x1e0 [10099.816650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10099.816650][ T10] [10099.818359][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10099.818359][ T10] neigh_parms_alloc+0x1e5/0x510 [10099.818359][ T10] ipv6_add_dev+0x2fe/0x11c0 [10099.818359][ T10] ipv6_find_idev+0x102/0x170 [10099.818359][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10099.818359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10099.818359][ T10] netlink_rcv_skb+0x130/0x360 [10099.818359][ T10] netlink_unicast+0x449/0x710 [10099.818359][ T10] netlink_sendmsg+0x723/0xbe0 [10099.818359][ T10] ____sys_sendmsg+0x7b2/0xa10 [10099.818359][ T10] ___sys_sendmsg+0xee/0x170 [10099.818359][ T10] __sys_sendmsg+0xcd/0x170 [10099.818359][ T10] do_syscall_64+0xc6/0x1e0 [10099.818359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10099.818359][ T10] [10099.820230][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10099.820462][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10099.820462][ T10] netdev_get_by_index+0x5e/0x80 [10099.820462][ T10] fib6_nh_init+0x3d8/0x1580 [10099.820462][ T10] ip6_route_info_create+0xf18/0x17d0 [10099.820462][ T10] addrconf_f6i_alloc+0x265/0x560 [10099.820462][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10099.820462][ T10] addrconf_join_anycast+0x1c0/0x220 [10099.820462][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10099.820462][ T10] addrconf_dad_completed+0x12b/0xe20 [10099.820462][ T10] addrconf_dad_begin+0x310/0x670 [10099.820462][ T10] addrconf_dad_work+0x10b/0xab0 [10099.820462][ T10] process_one_work+0x84d/0x18a0 [10099.820462][ T10] worker_thread+0x587/0xd30 [10099.820462][ T10] kthread+0x28a/0x350 [10099.820462][ T10] ret_from_fork+0x31/0x70 [10099.820462][ T10] ret_from_fork_asm+0x1a/0x30 [10099.820462][ T10] [10099.822682][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10099.822682][ T10] netdev_get_by_index+0x5e/0x80 [10099.822682][ T10] fib6_nh_init+0x3d8/0x1580 [10099.822682][ T10] ip6_route_info_create+0xf18/0x17d0 [10099.822682][ T10] ip6_route_add+0x1c/0x140 [10099.822682][ T10] addrconf_prefix_route+0x2a6/0x430 [10099.822682][ T10] inet6_addr_add+0x4f8/0xa40 [10099.822682][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10099.822682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10099.822682][ T10] netlink_rcv_skb+0x130/0x360 [10099.822682][ T10] netlink_unicast+0x449/0x710 [10099.822682][ T10] netlink_sendmsg+0x723/0xbe0 [10099.822682][ T10] ____sys_sendmsg+0x7b2/0xa10 [10099.822682][ T10] ___sys_sendmsg+0xee/0x170 [10099.822682][ T10] __sys_sendmsg+0xcd/0x170 [10099.822682][ T10] do_syscall_64+0xc6/0x1e0 [10099.822682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10099.822682][ T10] [10099.824845][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10099.824845][ T10] netdev_get_by_index+0x5e/0x80 [10099.824845][ T10] fib6_nh_init+0x3d8/0x1580 [10099.824845][ T10] ip6_route_info_create+0xf18/0x17d0 [10099.824845][ T10] addrconf_f6i_alloc+0x315/0x560 [10099.824845][ T10] ipv6_add_addr+0x411/0x2000 [10099.824845][ T10] inet6_addr_add+0x30e/0xa40 [10099.824845][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10099.824845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10099.824845][ T10] netlink_rcv_skb+0x130/0x360 [10099.824845][ T10] netlink_unicast+0x449/0x710 [10099.824845][ T10] netlink_sendmsg+0x723/0xbe0 [10099.824845][ T10] ____sys_sendmsg+0x7b2/0xa10 [10099.824845][ T10] ___sys_sendmsg+0xee/0x170 [10099.824845][ T10] __sys_sendmsg+0xcd/0x170 [10099.824845][ T10] do_syscall_64+0xc6/0x1e0 [10099.824845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10099.824845][ T10] [10099.827077][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10099.827077][ T10] netdev_get_by_index+0x5e/0x80 [10099.827077][ T10] fib6_nh_init+0x3d8/0x1580 [10099.827077][ T10] ip6_route_info_create+0xf18/0x17d0 [10099.827077][ T10] ip6_route_add+0x1c/0x140 [10099.827077][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10099.827077][ T10] addrconf_add_dev+0xe2/0x170 [10099.827077][ T10] inet6_addr_add+0x12f/0xa40 [10099.827077][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10099.827077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10099.827077][ T10] netlink_rcv_skb+0x130/0x360 [10099.827077][ T10] netlink_unicast+0x449/0x710 [10099.827077][ T10] netlink_sendmsg+0x723/0xbe0 [10099.827077][ T10] ____sys_sendmsg+0x7b2/0xa10 [10099.827077][ T10] ___sys_sendmsg+0xee/0x170 [10099.827077][ T10] __sys_sendmsg+0xcd/0x170 [10099.827077][ T10] do_syscall_64+0xc6/0x1e0 [10099.827077][ T10] [10099.829275][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10099.829275][ T10] ipv6_add_dev+0x3ba/0x11c0 [10099.829275][ T10] ipv6_find_idev+0x102/0x170 [10099.829275][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10099.829275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10099.829275][ T10] netlink_rcv_skb+0x130/0x360 [10099.829275][ T10] netlink_unicast+0x449/0x710 [10099.829275][ T10] netlink_sendmsg+0x723/0xbe0 [10099.829275][ T10] ____sys_sendmsg+0x7b2/0xa10 [10099.829275][ T10] ___sys_sendmsg+0xee/0x170 [10099.829275][ T10] __sys_sendmsg+0xcd/0x170 [10099.829275][ T10] do_syscall_64+0xc6/0x1e0 [10099.829275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10099.829275][ T10] [10099.830991][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10099.830991][ T10] neigh_parms_alloc+0x1e5/0x510 [10099.830991][ T10] ipv6_add_dev+0x2fe/0x11c0 [10099.830991][ T10] ipv6_find_idev+0x102/0x170 [10099.830991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10099.830991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10099.830991][ T10] netlink_rcv_skb+0x130/0x360 [10099.830991][ T10] netlink_unicast+0x449/0x710 [10099.830991][ T10] netlink_sendmsg+0x723/0xbe0 [10099.830991][ T10] ____sys_sendmsg+0x7b2/0xa10 [10099.830991][ T10] ___sys_sendmsg+0xee/0x170 [10099.830991][ T10] __sys_sendmsg+0xcd/0x170 [10099.830991][ T10] do_syscall_64+0xc6/0x1e0 [10099.830991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10099.830991][ T10] [10101.529104][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10101.529603][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10101.529603][ T1167] dst_init+0x84/0x4a0 [10101.529603][ T1167] dst_alloc+0x97/0x150 [10101.529603][ T1167] ip6_dst_alloc+0x23/0x90 [10101.529603][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10101.529603][ T1167] ip6_pol_route+0x56f/0x840 [10101.529603][ T1167] fib6_rule_lookup+0x334/0x630 [10101.529603][ T1167] ip6_route_output_flags+0x259/0x480 [10101.529603][ T1167] inet6_rtm_getroute+0x980/0xf70 [10101.529603][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10101.529603][ T1167] netlink_rcv_skb+0x130/0x360 [10101.529603][ T1167] netlink_unicast+0x449/0x710 [10101.529603][ T1167] netlink_sendmsg+0x723/0xbe0 [10101.529603][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10101.529603][ T1167] ___sys_sendmsg+0xee/0x170 [10101.529603][ T1167] __sys_sendmsg+0xcd/0x170 [10101.529603][ T1167] do_syscall_64+0xc6/0x1e0 [10101.529603][ T1167] [10101.531824][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10101.531824][ T1167] netdev_get_by_index+0x5e/0x80 [10101.531824][ T1167] fib6_nh_init+0x3d8/0x1580 [10101.531824][ T1167] ip6_route_info_create+0xf18/0x17d0 [10101.531824][ T1167] addrconf_f6i_alloc+0x265/0x560 [10101.531824][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10101.531824][ T1167] addrconf_join_anycast+0x1c0/0x220 [10101.531824][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10101.531824][ T1167] addrconf_dad_completed+0x12b/0xe20 [10101.531824][ T1167] addrconf_dad_begin+0x310/0x670 [10101.531824][ T1167] addrconf_dad_work+0x10b/0xab0 [10101.531824][ T1167] process_one_work+0x84d/0x18a0 [10101.531824][ T1167] worker_thread+0x587/0xd30 [10101.531824][ T1167] kthread+0x28a/0x350 [10101.531824][ T1167] ret_from_fork+0x31/0x70 [10101.531824][ T1167] ret_from_fork_asm+0x1a/0x30 [10101.531824][ T1167] [10101.533984][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10101.533984][ T1167] netdev_get_by_index+0x5e/0x80 [10101.533984][ T1167] fib6_nh_init+0x3d8/0x1580 [10101.533984][ T1167] ip6_route_info_create+0xf18/0x17d0 [10101.533984][ T1167] ip6_route_add+0x1c/0x140 [10101.533984][ T1167] addrconf_prefix_route+0x2a6/0x430 [10101.533984][ T1167] inet6_addr_add+0x4f8/0xa40 [10101.533984][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10101.533984][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10101.533984][ T1167] netlink_rcv_skb+0x130/0x360 [10101.533984][ T1167] netlink_unicast+0x449/0x710 [10101.533984][ T1167] netlink_sendmsg+0x723/0xbe0 [10101.533984][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10101.533984][ T1167] ___sys_sendmsg+0xee/0x170 [10101.533984][ T1167] __sys_sendmsg+0xcd/0x170 [10101.533984][ T1167] do_syscall_64+0xc6/0x1e0 [10101.533984][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10101.533984][ T1167] [10101.536240][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10101.536240][ T1167] netdev_get_by_index+0x5e/0x80 [10101.536240][ T1167] fib6_nh_init+0x3d8/0x1580 [10101.536240][ T1167] ip6_route_info_create+0xf18/0x17d0 [10101.536240][ T1167] addrconf_f6i_alloc+0x315/0x560 [10101.536240][ T1167] ipv6_add_addr+0x411/0x2000 [10101.536240][ T1167] inet6_addr_add+0x30e/0xa40 [10101.536240][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10101.536240][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10101.536240][ T1167] netlink_rcv_skb+0x130/0x360 [10101.536240][ T1167] netlink_unicast+0x449/0x710 [10101.536240][ T1167] netlink_sendmsg+0x723/0xbe0 [10101.536240][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10101.536240][ T1167] ___sys_sendmsg+0xee/0x170 [10101.536240][ T1167] __sys_sendmsg+0xcd/0x170 [10101.536240][ T1167] do_syscall_64+0xc6/0x1e0 [10101.536240][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10101.536240][ T1167] [10101.538504][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10101.538504][ T1167] netdev_get_by_index+0x5e/0x80 [10101.538504][ T1167] fib6_nh_init+0x3d8/0x1580 [10101.538504][ T1167] ip6_route_info_create+0xf18/0x17d0 [10101.538504][ T1167] ip6_route_add+0x1c/0x140 [10101.538504][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10101.538504][ T1167] addrconf_add_dev+0xe2/0x170 [10101.538504][ T1167] inet6_addr_add+0x12f/0xa40 [10101.538504][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10101.538504][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10101.538504][ T1167] netlink_rcv_skb+0x130/0x360 [10101.538504][ T1167] netlink_unicast+0x449/0x710 [10101.538504][ T1167] netlink_sendmsg+0x723/0xbe0 [10101.538504][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10101.538504][ T1167] ___sys_sendmsg+0xee/0x170 [10101.538504][ T1167] __sys_sendmsg+0xcd/0x170 [10101.538504][ T1167] do_syscall_64+0xc6/0x1e0 [10101.538504][ T1167] [10101.540727][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10101.540727][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10101.540727][ T1167] ipv6_find_idev+0x102/0x170 [10101.540727][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10101.540727][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10101.540727][ T1167] netlink_rcv_skb+0x130/0x360 [10101.540727][ T1167] netlink_unicast+0x449/0x710 [10101.540727][ T1167] netlink_sendmsg+0x723/0xbe0 [10101.540727][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10101.540727][ T1167] ___sys_sendmsg+0xee/0x170 [10101.540727][ T1167] __sys_sendmsg+0xcd/0x170 [10101.540727][ T1167] do_syscall_64+0xc6/0x1e0 [10101.540727][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10101.540727][ T1167] [10101.542468][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10101.542468][ T1167] neigh_parms_alloc+0x1e5/0x510 [10101.542468][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10101.542468][ T1167] ipv6_find_idev+0x102/0x170 [10101.542468][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10101.542468][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10101.542468][ T1167] netlink_rcv_skb+0x130/0x360 [10101.542468][ T1167] netlink_unicast+0x449/0x710 [10101.542468][ T1167] netlink_sendmsg+0x723/0xbe0 [10101.542468][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10101.542468][ T1167] ___sys_sendmsg+0xee/0x170 [10101.542468][ T1167] __sys_sendmsg+0xcd/0x170 [10101.542468][ T1167] do_syscall_64+0xc6/0x1e0 [10101.542468][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10101.542468][ T1167] [10109.953147][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10109.953577][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10109.953577][ T10] netdev_get_by_index+0x5e/0x80 [10109.953577][ T10] fib6_nh_init+0x3d8/0x1580 [10109.953577][ T10] ip6_route_info_create+0xf18/0x17d0 [10109.953577][ T10] addrconf_f6i_alloc+0x265/0x560 [10109.953577][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10109.953577][ T10] addrconf_join_anycast+0x1c0/0x220 [10109.953577][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10109.953577][ T10] addrconf_dad_completed+0x12b/0xe20 [10109.953577][ T10] addrconf_dad_begin+0x310/0x670 [10109.953577][ T10] addrconf_dad_work+0x10b/0xab0 [10109.953577][ T10] process_one_work+0x84d/0x18a0 [10109.953577][ T10] worker_thread+0x587/0xd30 [10109.953577][ T10] kthread+0x28a/0x350 [10109.953577][ T10] ret_from_fork+0x31/0x70 [10109.953577][ T10] ret_from_fork_asm+0x1a/0x30 [10109.953577][ T10] [10109.955514][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10109.955514][ T10] netdev_get_by_index+0x5e/0x80 [10109.955514][ T10] fib6_nh_init+0x3d8/0x1580 [10109.955514][ T10] ip6_route_info_create+0xf18/0x17d0 [10109.955514][ T10] ip6_route_add+0x1c/0x140 [10109.955514][ T10] addrconf_prefix_route+0x2a6/0x430 [10109.955514][ T10] inet6_addr_add+0x4f8/0xa40 [10109.955514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10109.955514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10109.955514][ T10] netlink_rcv_skb+0x130/0x360 [10109.955514][ T10] netlink_unicast+0x449/0x710 [10109.955514][ T10] netlink_sendmsg+0x723/0xbe0 [10109.955514][ T10] ____sys_sendmsg+0x7b2/0xa10 [10109.955514][ T10] ___sys_sendmsg+0xee/0x170 [10109.955514][ T10] __sys_sendmsg+0xcd/0x170 [10109.955514][ T10] do_syscall_64+0xc6/0x1e0 [10109.955514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10109.955514][ T10] [10109.957524][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10109.957524][ T10] netdev_get_by_index+0x5e/0x80 [10109.957524][ T10] fib6_nh_init+0x3d8/0x1580 [10109.957524][ T10] ip6_route_info_create+0xf18/0x17d0 [10109.957524][ T10] addrconf_f6i_alloc+0x315/0x560 [10109.957524][ T10] ipv6_add_addr+0x411/0x2000 [10109.957524][ T10] inet6_addr_add+0x30e/0xa40 [10109.957524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10109.957524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10109.957524][ T10] netlink_rcv_skb+0x130/0x360 [10109.957524][ T10] netlink_unicast+0x449/0x710 [10109.957524][ T10] netlink_sendmsg+0x723/0xbe0 [10109.957524][ T10] ____sys_sendmsg+0x7b2/0xa10 [10109.957524][ T10] ___sys_sendmsg+0xee/0x170 [10109.957524][ T10] __sys_sendmsg+0xcd/0x170 [10109.957524][ T10] do_syscall_64+0xc6/0x1e0 [10109.957524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10109.957524][ T10] [10109.959557][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10109.959557][ T10] netdev_get_by_index+0x5e/0x80 [10109.959557][ T10] fib6_nh_init+0x3d8/0x1580 [10109.959557][ T10] ip6_route_info_create+0xf18/0x17d0 [10109.959557][ T10] ip6_route_add+0x1c/0x140 [10109.959557][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10109.959557][ T10] addrconf_add_dev+0xe2/0x170 [10109.959557][ T10] inet6_addr_add+0x12f/0xa40 [10109.959557][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10109.959557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10109.959557][ T10] netlink_rcv_skb+0x130/0x360 [10109.959557][ T10] netlink_unicast+0x449/0x710 [10109.959557][ T10] netlink_sendmsg+0x723/0xbe0 [10109.959557][ T10] ____sys_sendmsg+0x7b2/0xa10 [10109.959557][ T10] ___sys_sendmsg+0xee/0x170 [10109.959557][ T10] __sys_sendmsg+0xcd/0x170 [10109.959557][ T10] do_syscall_64+0xc6/0x1e0 [10109.959557][ T10] [10109.961550][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10109.961550][ T10] ipv6_add_dev+0x3ba/0x11c0 [10109.961550][ T10] ipv6_find_idev+0x102/0x170 [10109.961550][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10109.961550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10109.961550][ T10] netlink_rcv_skb+0x130/0x360 [10109.961550][ T10] netlink_unicast+0x449/0x710 [10109.961550][ T10] netlink_sendmsg+0x723/0xbe0 [10109.961550][ T10] ____sys_sendmsg+0x7b2/0xa10 [10109.961550][ T10] ___sys_sendmsg+0xee/0x170 [10109.961550][ T10] __sys_sendmsg+0xcd/0x170 [10109.961550][ T10] do_syscall_64+0xc6/0x1e0 [10109.961550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10109.961550][ T10] [10109.963093][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10109.963093][ T10] neigh_parms_alloc+0x1e5/0x510 [10109.963093][ T10] ipv6_add_dev+0x2fe/0x11c0 [10109.963093][ T10] ipv6_find_idev+0x102/0x170 [10109.963093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10109.963093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10109.963093][ T10] netlink_rcv_skb+0x130/0x360 [10109.963093][ T10] netlink_unicast+0x449/0x710 [10109.963093][ T10] netlink_sendmsg+0x723/0xbe0 [10109.963093][ T10] ____sys_sendmsg+0x7b2/0xa10 [10109.963093][ T10] ___sys_sendmsg+0xee/0x170 [10109.963093][ T10] __sys_sendmsg+0xcd/0x170 [10109.963093][ T10] do_syscall_64+0xc6/0x1e0 [10109.963093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10109.963093][ T10] [10109.964784][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10109.965033][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10109.965033][ T10] netdev_get_by_index+0x5e/0x80 [10109.965033][ T10] fib6_nh_init+0x3d8/0x1580 [10109.965033][ T10] ip6_route_info_create+0xf18/0x17d0 [10109.965033][ T10] addrconf_f6i_alloc+0x265/0x560 [10109.965033][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10109.965033][ T10] addrconf_join_anycast+0x1c0/0x220 [10109.965033][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10109.965033][ T10] addrconf_dad_completed+0x12b/0xe20 [10109.965033][ T10] addrconf_dad_begin+0x310/0x670 [10109.965033][ T10] addrconf_dad_work+0x10b/0xab0 [10109.965033][ T10] process_one_work+0x84d/0x18a0 [10109.965033][ T10] worker_thread+0x587/0xd30 [10109.965033][ T10] kthread+0x28a/0x350 [10109.965033][ T10] ret_from_fork+0x31/0x70 [10109.965033][ T10] ret_from_fork_asm+0x1a/0x30 [10109.965033][ T10] [10109.966937][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10109.966937][ T10] netdev_get_by_index+0x5e/0x80 [10109.966937][ T10] fib6_nh_init+0x3d8/0x1580 [10109.966937][ T10] ip6_route_info_create+0xf18/0x17d0 [10109.966937][ T10] ip6_route_add+0x1c/0x140 [10109.966937][ T10] addrconf_prefix_route+0x2a6/0x430 [10109.966937][ T10] inet6_addr_add+0x4f8/0xa40 [10109.966937][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10109.966937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10109.966937][ T10] netlink_rcv_skb+0x130/0x360 [10109.966937][ T10] netlink_unicast+0x449/0x710 [10109.966937][ T10] netlink_sendmsg+0x723/0xbe0 [10109.966937][ T10] ____sys_sendmsg+0x7b2/0xa10 [10109.966937][ T10] ___sys_sendmsg+0xee/0x170 [10109.966937][ T10] __sys_sendmsg+0xcd/0x170 [10109.966937][ T10] do_syscall_64+0xc6/0x1e0 [10109.966937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10109.966937][ T10] [10109.968927][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10109.968927][ T10] netdev_get_by_index+0x5e/0x80 [10109.968927][ T10] fib6_nh_init+0x3d8/0x1580 [10109.968927][ T10] ip6_route_info_create+0xf18/0x17d0 [10109.968927][ T10] addrconf_f6i_alloc+0x315/0x560 [10109.968927][ T10] ipv6_add_addr+0x411/0x2000 [10109.968927][ T10] inet6_addr_add+0x30e/0xa40 [10109.968927][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10109.968927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10109.968927][ T10] netlink_rcv_skb+0x130/0x360 [10109.968927][ T10] netlink_unicast+0x449/0x710 [10109.968927][ T10] netlink_sendmsg+0x723/0xbe0 [10109.968927][ T10] ____sys_sendmsg+0x7b2/0xa10 [10109.968927][ T10] ___sys_sendmsg+0xee/0x170 [10109.968927][ T10] __sys_sendmsg+0xcd/0x170 [10109.968927][ T10] do_syscall_64+0xc6/0x1e0 [10109.968927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10109.968927][ T10] [10109.970924][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10109.970924][ T10] netdev_get_by_index+0x5e/0x80 [10109.970924][ T10] fib6_nh_init+0x3d8/0x1580 [10109.970924][ T10] ip6_route_info_create+0xf18/0x17d0 [10109.970924][ T10] ip6_route_add+0x1c/0x140 [10109.970924][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10109.970924][ T10] addrconf_add_dev+0xe2/0x170 [10109.970924][ T10] inet6_addr_add+0x12f/0xa40 [10109.970924][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10109.970924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10109.970924][ T10] netlink_rcv_skb+0x130/0x360 [10109.970924][ T10] netlink_unicast+0x449/0x710 [10109.970924][ T10] netlink_sendmsg+0x723/0xbe0 [10109.970924][ T10] ____sys_sendmsg+0x7b2/0xa10 [10109.970924][ T10] ___sys_sendmsg+0xee/0x170 [10109.970924][ T10] __sys_sendmsg+0xcd/0x170 [10109.970924][ T10] do_syscall_64+0xc6/0x1e0 [10109.970924][ T10] [10109.972879][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10109.972879][ T10] ipv6_add_dev+0x3ba/0x11c0 [10109.972879][ T10] ipv6_find_idev+0x102/0x170 [10109.972879][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10109.972879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10109.972879][ T10] netlink_rcv_skb+0x130/0x360 [10109.972879][ T10] netlink_unicast+0x449/0x710 [10109.972879][ T10] netlink_sendmsg+0x723/0xbe0 [10109.972879][ T10] ____sys_sendmsg+0x7b2/0xa10 [10109.972879][ T10] ___sys_sendmsg+0xee/0x170 [10109.972879][ T10] __sys_sendmsg+0xcd/0x170 [10109.972879][ T10] do_syscall_64+0xc6/0x1e0 [10109.972879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10109.972879][ T10] [10109.974411][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10109.974411][ T10] neigh_parms_alloc+0x1e5/0x510 [10109.974411][ T10] ipv6_add_dev+0x2fe/0x11c0 [10109.974411][ T10] ipv6_find_idev+0x102/0x170 [10109.974411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10109.974411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10109.974411][ T10] netlink_rcv_skb+0x130/0x360 [10109.974411][ T10] netlink_unicast+0x449/0x710 [10109.974411][ T10] netlink_sendmsg+0x723/0xbe0 [10109.974411][ T10] ____sys_sendmsg+0x7b2/0xa10 [10109.974411][ T10] ___sys_sendmsg+0xee/0x170 [10109.974411][ T10] __sys_sendmsg+0xcd/0x170 [10109.974411][ T10] do_syscall_64+0xc6/0x1e0 [10109.974411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10109.974411][ T10] [10109.976082][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10109.976319][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10109.976319][ T10] netdev_get_by_index+0x5e/0x80 [10109.976319][ T10] fib6_nh_init+0x3d8/0x1580 [10109.976319][ T10] ip6_route_info_create+0xf18/0x17d0 [10109.976319][ T10] addrconf_f6i_alloc+0x265/0x560 [10109.976319][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10109.976319][ T10] addrconf_join_anycast+0x1c0/0x220 [10109.976319][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10109.976319][ T10] addrconf_dad_completed+0x12b/0xe20 [10109.976319][ T10] addrconf_dad_begin+0x310/0x670 [10109.976319][ T10] addrconf_dad_work+0x10b/0xab0 [10109.976319][ T10] process_one_work+0x84d/0x18a0 [10109.976319][ T10] worker_thread+0x587/0xd30 [10109.976319][ T10] kthread+0x28a/0x350 [10109.976319][ T10] ret_from_fork+0x31/0x70 [10109.976319][ T10] ret_from_fork_asm+0x1a/0x30 [10109.976319][ T10] [10109.978223][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10109.978223][ T10] netdev_get_by_index+0x5e/0x80 [10109.978223][ T10] fib6_nh_init+0x3d8/0x1580 [10109.978223][ T10] ip6_route_info_create+0xf18/0x17d0 [10109.978223][ T10] ip6_route_add+0x1c/0x140 [10109.978223][ T10] addrconf_prefix_route+0x2a6/0x430 [10109.978223][ T10] inet6_addr_add+0x4f8/0xa40 [10109.978223][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10109.978223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10109.978223][ T10] netlink_rcv_skb+0x130/0x360 [10109.978223][ T10] netlink_unicast+0x449/0x710 [10109.978223][ T10] netlink_sendmsg+0x723/0xbe0 [10109.978223][ T10] ____sys_sendmsg+0x7b2/0xa10 [10109.978223][ T10] ___sys_sendmsg+0xee/0x170 [10109.978223][ T10] __sys_sendmsg+0xcd/0x170 [10109.978223][ T10] do_syscall_64+0xc6/0x1e0 [10109.978223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10109.978223][ T10] [10109.980389][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10109.980389][ T10] netdev_get_by_index+0x5e/0x80 [10109.980389][ T10] fib6_nh_init+0x3d8/0x1580 [10109.980389][ T10] ip6_route_info_create+0xf18/0x17d0 [10109.980389][ T10] addrconf_f6i_alloc+0x315/0x560 [10109.980389][ T10] ipv6_add_addr+0x411/0x2000 [10109.980389][ T10] inet6_addr_add+0x30e/0xa40 [10109.980389][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10109.980389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10109.980389][ T10] netlink_rcv_skb+0x130/0x360 [10109.980389][ T10] netlink_unicast+0x449/0x710 [10109.980389][ T10] netlink_sendmsg+0x723/0xbe0 [10109.980389][ T10] ____sys_sendmsg+0x7b2/0xa10 [10109.980389][ T10] ___sys_sendmsg+0xee/0x170 [10109.980389][ T10] __sys_sendmsg+0xcd/0x170 [10109.980389][ T10] do_syscall_64+0xc6/0x1e0 [10109.980389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10109.980389][ T10] [10109.982690][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10109.982690][ T10] netdev_get_by_index+0x5e/0x80 [10109.982690][ T10] fib6_nh_init+0x3d8/0x1580 [10109.982690][ T10] ip6_route_info_create+0xf18/0x17d0 [10109.982690][ T10] ip6_route_add+0x1c/0x140 [10109.982690][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10109.982690][ T10] addrconf_add_dev+0xe2/0x170 [10109.982690][ T10] inet6_addr_add+0x12f/0xa40 [10109.982690][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10109.982690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10109.982690][ T10] netlink_rcv_skb+0x130/0x360 [10109.982690][ T10] netlink_unicast+0x449/0x710 [10109.982690][ T10] netlink_sendmsg+0x723/0xbe0 [10109.982690][ T10] ____sys_sendmsg+0x7b2/0xa10 [10109.982690][ T10] ___sys_sendmsg+0xee/0x170 [10109.982690][ T10] __sys_sendmsg+0xcd/0x170 [10109.982690][ T10] do_syscall_64+0xc6/0x1e0 [10109.982690][ T10] [10109.984819][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10109.984819][ T10] ipv6_add_dev+0x3ba/0x11c0 [10109.984819][ T10] ipv6_find_idev+0x102/0x170 [10109.984819][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10109.984819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10109.984819][ T10] netlink_rcv_skb+0x130/0x360 [10109.984819][ T10] netlink_unicast+0x449/0x710 [10109.984819][ T10] netlink_sendmsg+0x723/0xbe0 [10109.984819][ T10] ____sys_sendmsg+0x7b2/0xa10 [10109.984819][ T10] ___sys_sendmsg+0xee/0x170 [10109.984819][ T10] __sys_sendmsg+0xcd/0x170 [10109.984819][ T10] do_syscall_64+0xc6/0x1e0 [10109.984819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10109.984819][ T10] [10109.986528][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10109.986528][ T10] neigh_parms_alloc+0x1e5/0x510 [10109.986528][ T10] ipv6_add_dev+0x2fe/0x11c0 [10109.986528][ T10] ipv6_find_idev+0x102/0x170 [10109.986528][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10109.986528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10109.986528][ T10] netlink_rcv_skb+0x130/0x360 [10109.986528][ T10] netlink_unicast+0x449/0x710 [10109.986528][ T10] netlink_sendmsg+0x723/0xbe0 [10109.986528][ T10] ____sys_sendmsg+0x7b2/0xa10 [10109.986528][ T10] ___sys_sendmsg+0xee/0x170 [10109.986528][ T10] __sys_sendmsg+0xcd/0x170 [10109.986528][ T10] do_syscall_64+0xc6/0x1e0 [10109.986528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10109.986528][ T10] [10109.988452][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10109.988689][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10109.988689][ T10] netdev_get_by_index+0x5e/0x80 [10109.988689][ T10] fib6_nh_init+0x3d8/0x1580 [10109.988689][ T10] ip6_route_info_create+0xf18/0x17d0 [10109.988689][ T10] addrconf_f6i_alloc+0x265/0x560 [10109.988689][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10109.988689][ T10] addrconf_join_anycast+0x1c0/0x220 [10109.988689][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10109.988689][ T10] addrconf_dad_completed+0x12b/0xe20 [10109.988689][ T10] addrconf_dad_begin+0x310/0x670 [10109.988689][ T10] addrconf_dad_work+0x10b/0xab0 [10109.988689][ T10] process_one_work+0x84d/0x18a0 [10109.988689][ T10] worker_thread+0x587/0xd30 [10109.988689][ T10] kthread+0x28a/0x350 [10109.988689][ T10] ret_from_fork+0x31/0x70 [10109.988689][ T10] ret_from_fork_asm+0x1a/0x30 [10109.988689][ T10] [10109.990915][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10109.990915][ T10] netdev_get_by_index+0x5e/0x80 [10109.990915][ T10] fib6_nh_init+0x3d8/0x1580 [10109.990915][ T10] ip6_route_info_create+0xf18/0x17d0 [10109.990915][ T10] ip6_route_add+0x1c/0x140 [10109.990915][ T10] addrconf_prefix_route+0x2a6/0x430 [10109.990915][ T10] inet6_addr_add+0x4f8/0xa40 [10109.990915][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10109.990915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10109.990915][ T10] netlink_rcv_skb+0x130/0x360 [10109.990915][ T10] netlink_unicast+0x449/0x710 [10109.990915][ T10] netlink_sendmsg+0x723/0xbe0 [10109.990915][ T10] ____sys_sendmsg+0x7b2/0xa10 [10109.990915][ T10] ___sys_sendmsg+0xee/0x170 [10109.990915][ T10] __sys_sendmsg+0xcd/0x170 [10109.990915][ T10] do_syscall_64+0xc6/0x1e0 [10109.990915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10109.990915][ T10] [10109.993083][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10109.993083][ T10] netdev_get_by_index+0x5e/0x80 [10109.993083][ T10] fib6_nh_init+0x3d8/0x1580 [10109.993083][ T10] ip6_route_info_create+0xf18/0x17d0 [10109.993083][ T10] addrconf_f6i_alloc+0x315/0x560 [10109.993083][ T10] ipv6_add_addr+0x411/0x2000 [10109.993083][ T10] inet6_addr_add+0x30e/0xa40 [10109.993083][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10109.993083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10109.993083][ T10] netlink_rcv_skb+0x130/0x360 [10109.993083][ T10] netlink_unicast+0x449/0x710 [10109.993083][ T10] netlink_sendmsg+0x723/0xbe0 [10109.993083][ T10] ____sys_sendmsg+0x7b2/0xa10 [10109.993083][ T10] ___sys_sendmsg+0xee/0x170 [10109.993083][ T10] __sys_sendmsg+0xcd/0x170 [10109.993083][ T10] do_syscall_64+0xc6/0x1e0 [10109.993083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10109.993083][ T10] [10109.995314][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10109.995314][ T10] netdev_get_by_index+0x5e/0x80 [10109.995314][ T10] fib6_nh_init+0x3d8/0x1580 [10109.995314][ T10] ip6_route_info_create+0xf18/0x17d0 [10109.995314][ T10] ip6_route_add+0x1c/0x140 [10109.995314][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10109.995314][ T10] addrconf_add_dev+0xe2/0x170 [10109.995314][ T10] inet6_addr_add+0x12f/0xa40 [10109.995314][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10109.995314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10109.995314][ T10] netlink_rcv_skb+0x130/0x360 [10109.995314][ T10] netlink_unicast+0x449/0x710 [10109.995314][ T10] netlink_sendmsg+0x723/0xbe0 [10109.995314][ T10] ____sys_sendmsg+0x7b2/0xa10 [10109.995314][ T10] ___sys_sendmsg+0xee/0x170 [10109.995314][ T10] __sys_sendmsg+0xcd/0x170 [10109.995314][ T10] do_syscall_64+0xc6/0x1e0 [10109.995314][ T10] [10109.997512][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10109.997512][ T10] ipv6_add_dev+0x3ba/0x11c0 [10109.997512][ T10] ipv6_find_idev+0x102/0x170 [10109.997512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10109.997512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10109.997512][ T10] netlink_rcv_skb+0x130/0x360 [10109.997512][ T10] netlink_unicast+0x449/0x710 [10109.997512][ T10] netlink_sendmsg+0x723/0xbe0 [10109.997512][ T10] ____sys_sendmsg+0x7b2/0xa10 [10109.997512][ T10] ___sys_sendmsg+0xee/0x170 [10109.997512][ T10] __sys_sendmsg+0xcd/0x170 [10109.997512][ T10] do_syscall_64+0xc6/0x1e0 [10109.997512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10109.997512][ T10] [10109.999233][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10109.999233][ T10] neigh_parms_alloc+0x1e5/0x510 [10109.999233][ T10] ipv6_add_dev+0x2fe/0x11c0 [10109.999233][ T10] ipv6_find_idev+0x102/0x170 [10109.999233][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10109.999233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10109.999233][ T10] netlink_rcv_skb+0x130/0x360 [10109.999233][ T10] netlink_unicast+0x449/0x710 [10109.999233][ T10] netlink_sendmsg+0x723/0xbe0 [10109.999233][ T10] ____sys_sendmsg+0x7b2/0xa10 [10109.999233][ T10] ___sys_sendmsg+0xee/0x170 [10109.999233][ T10] __sys_sendmsg+0xcd/0x170 [10109.999233][ T10] do_syscall_64+0xc6/0x1e0 [10109.999233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10109.999233][ T10] [10111.745110][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10111.745587][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10111.745587][ T1167] dst_init+0x84/0x4a0 [10111.745587][ T1167] dst_alloc+0x97/0x150 [10111.745587][ T1167] ip6_dst_alloc+0x23/0x90 [10111.745587][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10111.745587][ T1167] ip6_pol_route+0x56f/0x840 [10111.745587][ T1167] fib6_rule_lookup+0x334/0x630 [10111.745587][ T1167] ip6_route_output_flags+0x259/0x480 [10111.745587][ T1167] inet6_rtm_getroute+0x980/0xf70 [10111.745587][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10111.745587][ T1167] netlink_rcv_skb+0x130/0x360 [10111.745587][ T1167] netlink_unicast+0x449/0x710 [10111.745587][ T1167] netlink_sendmsg+0x723/0xbe0 [10111.745587][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10111.745587][ T1167] ___sys_sendmsg+0xee/0x170 [10111.745587][ T1167] __sys_sendmsg+0xcd/0x170 [10111.745587][ T1167] do_syscall_64+0xc6/0x1e0 [10111.745587][ T1167] [10111.747809][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10111.747809][ T1167] netdev_get_by_index+0x5e/0x80 [10111.747809][ T1167] fib6_nh_init+0x3d8/0x1580 [10111.747809][ T1167] ip6_route_info_create+0xf18/0x17d0 [10111.747809][ T1167] addrconf_f6i_alloc+0x265/0x560 [10111.747809][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10111.747809][ T1167] addrconf_join_anycast+0x1c0/0x220 [10111.747809][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10111.747809][ T1167] addrconf_dad_completed+0x12b/0xe20 [10111.747809][ T1167] addrconf_dad_begin+0x310/0x670 [10111.747809][ T1167] addrconf_dad_work+0x10b/0xab0 [10111.747809][ T1167] process_one_work+0x84d/0x18a0 [10111.747809][ T1167] worker_thread+0x587/0xd30 [10111.747809][ T1167] kthread+0x28a/0x350 [10111.747809][ T1167] ret_from_fork+0x31/0x70 [10111.747809][ T1167] ret_from_fork_asm+0x1a/0x30 [10111.747809][ T1167] [10111.749973][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10111.749973][ T1167] netdev_get_by_index+0x5e/0x80 [10111.749973][ T1167] fib6_nh_init+0x3d8/0x1580 [10111.749973][ T1167] ip6_route_info_create+0xf18/0x17d0 [10111.749973][ T1167] ip6_route_add+0x1c/0x140 [10111.749973][ T1167] addrconf_prefix_route+0x2a6/0x430 [10111.749973][ T1167] inet6_addr_add+0x4f8/0xa40 [10111.749973][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10111.749973][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10111.749973][ T1167] netlink_rcv_skb+0x130/0x360 [10111.749973][ T1167] netlink_unicast+0x449/0x710 [10111.749973][ T1167] netlink_sendmsg+0x723/0xbe0 [10111.749973][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10111.749973][ T1167] ___sys_sendmsg+0xee/0x170 [10111.749973][ T1167] __sys_sendmsg+0xcd/0x170 [10111.749973][ T1167] do_syscall_64+0xc6/0x1e0 [10111.749973][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10111.749973][ T1167] [10111.752303][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10111.752303][ T1167] netdev_get_by_index+0x5e/0x80 [10111.752303][ T1167] fib6_nh_init+0x3d8/0x1580 [10111.752303][ T1167] ip6_route_info_create+0xf18/0x17d0 [10111.752303][ T1167] addrconf_f6i_alloc+0x315/0x560 [10111.752303][ T1167] ipv6_add_addr+0x411/0x2000 [10111.752303][ T1167] inet6_addr_add+0x30e/0xa40 [10111.752303][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10111.752303][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10111.752303][ T1167] netlink_rcv_skb+0x130/0x360 [10111.752303][ T1167] netlink_unicast+0x449/0x710 [10111.752303][ T1167] netlink_sendmsg+0x723/0xbe0 [10111.752303][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10111.752303][ T1167] ___sys_sendmsg+0xee/0x170 [10111.752303][ T1167] __sys_sendmsg+0xcd/0x170 [10111.752303][ T1167] do_syscall_64+0xc6/0x1e0 [10111.752303][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10111.752303][ T1167] [10111.754571][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10111.754571][ T1167] netdev_get_by_index+0x5e/0x80 [10111.754571][ T1167] fib6_nh_init+0x3d8/0x1580 [10111.754571][ T1167] ip6_route_info_create+0xf18/0x17d0 [10111.754571][ T1167] ip6_route_add+0x1c/0x140 [10111.754571][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10111.754571][ T1167] addrconf_add_dev+0xe2/0x170 [10111.754571][ T1167] inet6_addr_add+0x12f/0xa40 [10111.754571][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10111.754571][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10111.754571][ T1167] netlink_rcv_skb+0x130/0x360 [10111.754571][ T1167] netlink_unicast+0x449/0x710 [10111.754571][ T1167] netlink_sendmsg+0x723/0xbe0 [10111.754571][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10111.754571][ T1167] ___sys_sendmsg+0xee/0x170 [10111.754571][ T1167] __sys_sendmsg+0xcd/0x170 [10111.754571][ T1167] do_syscall_64+0xc6/0x1e0 [10111.754571][ T1167] [10111.756796][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10111.756796][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10111.756796][ T1167] ipv6_find_idev+0x102/0x170 [10111.756796][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10111.756796][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10111.756796][ T1167] netlink_rcv_skb+0x130/0x360 [10111.756796][ T1167] netlink_unicast+0x449/0x710 [10111.756796][ T1167] netlink_sendmsg+0x723/0xbe0 [10111.756796][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10111.756796][ T1167] ___sys_sendmsg+0xee/0x170 [10111.756796][ T1167] __sys_sendmsg+0xcd/0x170 [10111.756796][ T1167] do_syscall_64+0xc6/0x1e0 [10111.756796][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10111.756796][ T1167] [10111.758544][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10111.758544][ T1167] neigh_parms_alloc+0x1e5/0x510 [10111.758544][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10111.758544][ T1167] ipv6_find_idev+0x102/0x170 [10111.758544][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10111.758544][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10111.758544][ T1167] netlink_rcv_skb+0x130/0x360 [10111.758544][ T1167] netlink_unicast+0x449/0x710 [10111.758544][ T1167] netlink_sendmsg+0x723/0xbe0 [10111.758544][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10111.758544][ T1167] ___sys_sendmsg+0xee/0x170 [10111.758544][ T1167] __sys_sendmsg+0xcd/0x170 [10111.758544][ T1167] do_syscall_64+0xc6/0x1e0 [10111.758544][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10111.758544][ T1167] [10120.241052][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10120.241543][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10120.241543][ T10] netdev_get_by_index+0x5e/0x80 [10120.241543][ T10] fib6_nh_init+0x3d8/0x1580 [10120.241543][ T10] ip6_route_info_create+0xf18/0x17d0 [10120.241543][ T10] addrconf_f6i_alloc+0x265/0x560 [10120.241543][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10120.241543][ T10] addrconf_join_anycast+0x1c0/0x220 [10120.241543][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10120.241543][ T10] addrconf_dad_completed+0x12b/0xe20 [10120.241543][ T10] addrconf_dad_begin+0x310/0x670 [10120.241543][ T10] addrconf_dad_work+0x10b/0xab0 [10120.241543][ T10] process_one_work+0x84d/0x18a0 [10120.241543][ T10] worker_thread+0x587/0xd30 [10120.241543][ T10] kthread+0x28a/0x350 [10120.241543][ T10] ret_from_fork+0x31/0x70 [10120.241543][ T10] ret_from_fork_asm+0x1a/0x30 [10120.241543][ T10] [10120.243471][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10120.243471][ T10] netdev_get_by_index+0x5e/0x80 [10120.243471][ T10] fib6_nh_init+0x3d8/0x1580 [10120.243471][ T10] ip6_route_info_create+0xf18/0x17d0 [10120.243471][ T10] ip6_route_add+0x1c/0x140 [10120.243471][ T10] addrconf_prefix_route+0x2a6/0x430 [10120.243471][ T10] inet6_addr_add+0x4f8/0xa40 [10120.243471][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10120.243471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10120.243471][ T10] netlink_rcv_skb+0x130/0x360 [10120.243471][ T10] netlink_unicast+0x449/0x710 [10120.243471][ T10] netlink_sendmsg+0x723/0xbe0 [10120.243471][ T10] ____sys_sendmsg+0x7b2/0xa10 [10120.243471][ T10] ___sys_sendmsg+0xee/0x170 [10120.243471][ T10] __sys_sendmsg+0xcd/0x170 [10120.243471][ T10] do_syscall_64+0xc6/0x1e0 [10120.243471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10120.243471][ T10] [10120.245468][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10120.245468][ T10] netdev_get_by_index+0x5e/0x80 [10120.245468][ T10] fib6_nh_init+0x3d8/0x1580 [10120.245468][ T10] ip6_route_info_create+0xf18/0x17d0 [10120.245468][ T10] addrconf_f6i_alloc+0x315/0x560 [10120.245468][ T10] ipv6_add_addr+0x411/0x2000 [10120.245468][ T10] inet6_addr_add+0x30e/0xa40 [10120.245468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10120.245468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10120.245468][ T10] netlink_rcv_skb+0x130/0x360 [10120.245468][ T10] netlink_unicast+0x449/0x710 [10120.245468][ T10] netlink_sendmsg+0x723/0xbe0 [10120.245468][ T10] ____sys_sendmsg+0x7b2/0xa10 [10120.245468][ T10] ___sys_sendmsg+0xee/0x170 [10120.245468][ T10] __sys_sendmsg+0xcd/0x170 [10120.245468][ T10] do_syscall_64+0xc6/0x1e0 [10120.245468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10120.245468][ T10] [10120.247464][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10120.247464][ T10] netdev_get_by_index+0x5e/0x80 [10120.247464][ T10] fib6_nh_init+0x3d8/0x1580 [10120.247464][ T10] ip6_route_info_create+0xf18/0x17d0 [10120.247464][ T10] ip6_route_add+0x1c/0x140 [10120.247464][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10120.247464][ T10] addrconf_add_dev+0xe2/0x170 [10120.247464][ T10] inet6_addr_add+0x12f/0xa40 [10120.247464][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10120.247464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10120.247464][ T10] netlink_rcv_skb+0x130/0x360 [10120.247464][ T10] netlink_unicast+0x449/0x710 [10120.247464][ T10] netlink_sendmsg+0x723/0xbe0 [10120.247464][ T10] ____sys_sendmsg+0x7b2/0xa10 [10120.247464][ T10] ___sys_sendmsg+0xee/0x170 [10120.247464][ T10] __sys_sendmsg+0xcd/0x170 [10120.247464][ T10] do_syscall_64+0xc6/0x1e0 [10120.247464][ T10] [10120.249417][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10120.249417][ T10] ipv6_add_dev+0x3ba/0x11c0 [10120.249417][ T10] ipv6_find_idev+0x102/0x170 [10120.249417][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10120.249417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10120.249417][ T10] netlink_rcv_skb+0x130/0x360 [10120.249417][ T10] netlink_unicast+0x449/0x710 [10120.249417][ T10] netlink_sendmsg+0x723/0xbe0 [10120.249417][ T10] ____sys_sendmsg+0x7b2/0xa10 [10120.249417][ T10] ___sys_sendmsg+0xee/0x170 [10120.249417][ T10] __sys_sendmsg+0xcd/0x170 [10120.249417][ T10] do_syscall_64+0xc6/0x1e0 [10120.249417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10120.249417][ T10] [10120.250957][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10120.250957][ T10] neigh_parms_alloc+0x1e5/0x510 [10120.250957][ T10] ipv6_add_dev+0x2fe/0x11c0 [10120.250957][ T10] ipv6_find_idev+0x102/0x170 [10120.250957][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10120.250957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10120.250957][ T10] netlink_rcv_skb+0x130/0x360 [10120.250957][ T10] netlink_unicast+0x449/0x710 [10120.250957][ T10] netlink_sendmsg+0x723/0xbe0 [10120.250957][ T10] ____sys_sendmsg+0x7b2/0xa10 [10120.250957][ T10] ___sys_sendmsg+0xee/0x170 [10120.250957][ T10] __sys_sendmsg+0xcd/0x170 [10120.250957][ T10] do_syscall_64+0xc6/0x1e0 [10120.250957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10120.250957][ T10] [10120.252642][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10120.252883][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10120.252883][ T10] netdev_get_by_index+0x5e/0x80 [10120.252883][ T10] fib6_nh_init+0x3d8/0x1580 [10120.252883][ T10] ip6_route_info_create+0xf18/0x17d0 [10120.252883][ T10] addrconf_f6i_alloc+0x265/0x560 [10120.252883][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10120.252883][ T10] addrconf_join_anycast+0x1c0/0x220 [10120.252883][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10120.252883][ T10] addrconf_dad_completed+0x12b/0xe20 [10120.252883][ T10] addrconf_dad_begin+0x310/0x670 [10120.252883][ T10] addrconf_dad_work+0x10b/0xab0 [10120.252883][ T10] process_one_work+0x84d/0x18a0 [10120.252883][ T10] worker_thread+0x587/0xd30 [10120.252883][ T10] kthread+0x28a/0x350 [10120.252883][ T10] ret_from_fork+0x31/0x70 [10120.252883][ T10] ret_from_fork_asm+0x1a/0x30 [10120.252883][ T10] [10120.254783][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10120.254783][ T10] netdev_get_by_index+0x5e/0x80 [10120.254783][ T10] fib6_nh_init+0x3d8/0x1580 [10120.254783][ T10] ip6_route_info_create+0xf18/0x17d0 [10120.254783][ T10] ip6_route_add+0x1c/0x140 [10120.254783][ T10] addrconf_prefix_route+0x2a6/0x430 [10120.254783][ T10] inet6_addr_add+0x4f8/0xa40 [10120.254783][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10120.254783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10120.254783][ T10] netlink_rcv_skb+0x130/0x360 [10120.254783][ T10] netlink_unicast+0x449/0x710 [10120.254783][ T10] netlink_sendmsg+0x723/0xbe0 [10120.254783][ T10] ____sys_sendmsg+0x7b2/0xa10 [10120.254783][ T10] ___sys_sendmsg+0xee/0x170 [10120.254783][ T10] __sys_sendmsg+0xcd/0x170 [10120.254783][ T10] do_syscall_64+0xc6/0x1e0 [10120.254783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10120.254783][ T10] [10120.256775][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10120.256775][ T10] netdev_get_by_index+0x5e/0x80 [10120.256775][ T10] fib6_nh_init+0x3d8/0x1580 [10120.256775][ T10] ip6_route_info_create+0xf18/0x17d0 [10120.256775][ T10] addrconf_f6i_alloc+0x315/0x560 [10120.256775][ T10] ipv6_add_addr+0x411/0x2000 [10120.256775][ T10] inet6_addr_add+0x30e/0xa40 [10120.256775][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10120.256775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10120.256775][ T10] netlink_rcv_skb+0x130/0x360 [10120.256775][ T10] netlink_unicast+0x449/0x710 [10120.256775][ T10] netlink_sendmsg+0x723/0xbe0 [10120.256775][ T10] ____sys_sendmsg+0x7b2/0xa10 [10120.256775][ T10] ___sys_sendmsg+0xee/0x170 [10120.256775][ T10] __sys_sendmsg+0xcd/0x170 [10120.256775][ T10] do_syscall_64+0xc6/0x1e0 [10120.256775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10120.256775][ T10] [10120.258770][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10120.258770][ T10] netdev_get_by_index+0x5e/0x80 [10120.258770][ T10] fib6_nh_init+0x3d8/0x1580 [10120.258770][ T10] ip6_route_info_create+0xf18/0x17d0 [10120.258770][ T10] ip6_route_add+0x1c/0x140 [10120.258770][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10120.258770][ T10] addrconf_add_dev+0xe2/0x170 [10120.258770][ T10] inet6_addr_add+0x12f/0xa40 [10120.258770][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10120.258770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10120.258770][ T10] netlink_rcv_skb+0x130/0x360 [10120.258770][ T10] netlink_unicast+0x449/0x710 [10120.258770][ T10] netlink_sendmsg+0x723/0xbe0 [10120.258770][ T10] ____sys_sendmsg+0x7b2/0xa10 [10120.258770][ T10] ___sys_sendmsg+0xee/0x170 [10120.258770][ T10] __sys_sendmsg+0xcd/0x170 [10120.258770][ T10] do_syscall_64+0xc6/0x1e0 [10120.258770][ T10] [10120.260728][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10120.260728][ T10] ipv6_add_dev+0x3ba/0x11c0 [10120.260728][ T10] ipv6_find_idev+0x102/0x170 [10120.260728][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10120.260728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10120.260728][ T10] netlink_rcv_skb+0x130/0x360 [10120.260728][ T10] netlink_unicast+0x449/0x710 [10120.260728][ T10] netlink_sendmsg+0x723/0xbe0 [10120.260728][ T10] ____sys_sendmsg+0x7b2/0xa10 [10120.260728][ T10] ___sys_sendmsg+0xee/0x170 [10120.260728][ T10] __sys_sendmsg+0xcd/0x170 [10120.260728][ T10] do_syscall_64+0xc6/0x1e0 [10120.260728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10120.260728][ T10] [10120.262275][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10120.262275][ T10] neigh_parms_alloc+0x1e5/0x510 [10120.262275][ T10] ipv6_add_dev+0x2fe/0x11c0 [10120.262275][ T10] ipv6_find_idev+0x102/0x170 [10120.262275][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10120.262275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10120.262275][ T10] netlink_rcv_skb+0x130/0x360 [10120.262275][ T10] netlink_unicast+0x449/0x710 [10120.262275][ T10] netlink_sendmsg+0x723/0xbe0 [10120.262275][ T10] ____sys_sendmsg+0x7b2/0xa10 [10120.262275][ T10] ___sys_sendmsg+0xee/0x170 [10120.262275][ T10] __sys_sendmsg+0xcd/0x170 [10120.262275][ T10] do_syscall_64+0xc6/0x1e0 [10120.262275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10120.262275][ T10] [10120.263950][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10120.264194][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10120.264194][ T10] netdev_get_by_index+0x5e/0x80 [10120.264194][ T10] fib6_nh_init+0x3d8/0x1580 [10120.264194][ T10] ip6_route_info_create+0xf18/0x17d0 [10120.264194][ T10] addrconf_f6i_alloc+0x265/0x560 [10120.264194][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10120.264194][ T10] addrconf_join_anycast+0x1c0/0x220 [10120.264194][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10120.264194][ T10] addrconf_dad_completed+0x12b/0xe20 [10120.264194][ T10] addrconf_dad_begin+0x310/0x670 [10120.264194][ T10] addrconf_dad_work+0x10b/0xab0 [10120.264194][ T10] process_one_work+0x84d/0x18a0 [10120.264194][ T10] worker_thread+0x587/0xd30 [10120.264194][ T10] kthread+0x28a/0x350 [10120.264194][ T10] ret_from_fork+0x31/0x70 [10120.264194][ T10] ret_from_fork_asm+0x1a/0x30 [10120.264194][ T10] [10120.266094][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10120.266094][ T10] netdev_get_by_index+0x5e/0x80 [10120.266094][ T10] fib6_nh_init+0x3d8/0x1580 [10120.266094][ T10] ip6_route_info_create+0xf18/0x17d0 [10120.266094][ T10] ip6_route_add+0x1c/0x140 [10120.266094][ T10] addrconf_prefix_route+0x2a6/0x430 [10120.266094][ T10] inet6_addr_add+0x4f8/0xa40 [10120.266094][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10120.266094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10120.266094][ T10] netlink_rcv_skb+0x130/0x360 [10120.266094][ T10] netlink_unicast+0x449/0x710 [10120.266094][ T10] netlink_sendmsg+0x723/0xbe0 [10120.266094][ T10] ____sys_sendmsg+0x7b2/0xa10 [10120.266094][ T10] ___sys_sendmsg+0xee/0x170 [10120.266094][ T10] __sys_sendmsg+0xcd/0x170 [10120.266094][ T10] do_syscall_64+0xc6/0x1e0 [10120.266094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10120.266094][ T10] [10120.268267][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10120.268267][ T10] netdev_get_by_index+0x5e/0x80 [10120.268267][ T10] fib6_nh_init+0x3d8/0x1580 [10120.268267][ T10] ip6_route_info_create+0xf18/0x17d0 [10120.268267][ T10] addrconf_f6i_alloc+0x315/0x560 [10120.268267][ T10] ipv6_add_addr+0x411/0x2000 [10120.268267][ T10] inet6_addr_add+0x30e/0xa40 [10120.268267][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10120.268267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10120.268267][ T10] netlink_rcv_skb+0x130/0x360 [10120.268267][ T10] netlink_unicast+0x449/0x710 [10120.268267][ T10] netlink_sendmsg+0x723/0xbe0 [10120.268267][ T10] ____sys_sendmsg+0x7b2/0xa10 [10120.268267][ T10] ___sys_sendmsg+0xee/0x170 [10120.268267][ T10] __sys_sendmsg+0xcd/0x170 [10120.268267][ T10] do_syscall_64+0xc6/0x1e0 [10120.268267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10120.268267][ T10] [10120.270559][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10120.270559][ T10] netdev_get_by_index+0x5e/0x80 [10120.270559][ T10] fib6_nh_init+0x3d8/0x1580 [10120.270559][ T10] ip6_route_info_create+0xf18/0x17d0 [10120.270559][ T10] ip6_route_add+0x1c/0x140 [10120.270559][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10120.270559][ T10] addrconf_add_dev+0xe2/0x170 [10120.270559][ T10] inet6_addr_add+0x12f/0xa40 [10120.270559][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10120.270559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10120.270559][ T10] netlink_rcv_skb+0x130/0x360 [10120.270559][ T10] netlink_unicast+0x449/0x710 [10120.270559][ T10] netlink_sendmsg+0x723/0xbe0 [10120.270559][ T10] ____sys_sendmsg+0x7b2/0xa10 [10120.270559][ T10] ___sys_sendmsg+0xee/0x170 [10120.270559][ T10] __sys_sendmsg+0xcd/0x170 [10120.270559][ T10] do_syscall_64+0xc6/0x1e0 [10120.270559][ T10] [10120.272723][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10120.272723][ T10] ipv6_add_dev+0x3ba/0x11c0 [10120.272723][ T10] ipv6_find_idev+0x102/0x170 [10120.272723][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10120.272723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10120.272723][ T10] netlink_rcv_skb+0x130/0x360 [10120.272723][ T10] netlink_unicast+0x449/0x710 [10120.272723][ T10] netlink_sendmsg+0x723/0xbe0 [10120.272723][ T10] ____sys_sendmsg+0x7b2/0xa10 [10120.272723][ T10] ___sys_sendmsg+0xee/0x170 [10120.272723][ T10] __sys_sendmsg+0xcd/0x170 [10120.272723][ T10] do_syscall_64+0xc6/0x1e0 [10120.272723][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10120.272723][ T10] [10120.274435][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10120.274435][ T10] neigh_parms_alloc+0x1e5/0x510 [10120.274435][ T10] ipv6_add_dev+0x2fe/0x11c0 [10120.274435][ T10] ipv6_find_idev+0x102/0x170 [10120.274435][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10120.274435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10120.274435][ T10] netlink_rcv_skb+0x130/0x360 [10120.274435][ T10] netlink_unicast+0x449/0x710 [10120.274435][ T10] netlink_sendmsg+0x723/0xbe0 [10120.274435][ T10] ____sys_sendmsg+0x7b2/0xa10 [10120.274435][ T10] ___sys_sendmsg+0xee/0x170 [10120.274435][ T10] __sys_sendmsg+0xcd/0x170 [10120.274435][ T10] do_syscall_64+0xc6/0x1e0 [10120.274435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10120.274435][ T10] [10120.276351][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10120.276583][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10120.276583][ T10] netdev_get_by_index+0x5e/0x80 [10120.276583][ T10] fib6_nh_init+0x3d8/0x1580 [10120.276583][ T10] ip6_route_info_create+0xf18/0x17d0 [10120.276583][ T10] addrconf_f6i_alloc+0x265/0x560 [10120.276583][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10120.276583][ T10] addrconf_join_anycast+0x1c0/0x220 [10120.276583][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10120.276583][ T10] addrconf_dad_completed+0x12b/0xe20 [10120.276583][ T10] addrconf_dad_begin+0x310/0x670 [10120.276583][ T10] addrconf_dad_work+0x10b/0xab0 [10120.276583][ T10] process_one_work+0x84d/0x18a0 [10120.276583][ T10] worker_thread+0x587/0xd30 [10120.276583][ T10] kthread+0x28a/0x350 [10120.276583][ T10] ret_from_fork+0x31/0x70 [10120.276583][ T10] ret_from_fork_asm+0x1a/0x30 [10120.276583][ T10] [10120.279304][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10120.279304][ T10] netdev_get_by_index+0x5e/0x80 [10120.279304][ T10] fib6_nh_init+0x3d8/0x1580 [10120.279304][ T10] ip6_route_info_create+0xf18/0x17d0 [10120.279304][ T10] ip6_route_add+0x1c/0x140 [10120.279304][ T10] addrconf_prefix_route+0x2a6/0x430 [10120.279304][ T10] inet6_addr_add+0x4f8/0xa40 [10120.279304][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10120.279304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10120.279304][ T10] netlink_rcv_skb+0x130/0x360 [10120.279304][ T10] netlink_unicast+0x449/0x710 [10120.279304][ T10] netlink_sendmsg+0x723/0xbe0 [10120.279304][ T10] ____sys_sendmsg+0x7b2/0xa10 [10120.279304][ T10] ___sys_sendmsg+0xee/0x170 [10120.279304][ T10] __sys_sendmsg+0xcd/0x170 [10120.279304][ T10] do_syscall_64+0xc6/0x1e0 [10120.279304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10120.279304][ T10] [10120.281514][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10120.281514][ T10] netdev_get_by_index+0x5e/0x80 [10120.281514][ T10] fib6_nh_init+0x3d8/0x1580 [10120.281514][ T10] ip6_route_info_create+0xf18/0x17d0 [10120.281514][ T10] addrconf_f6i_alloc+0x315/0x560 [10120.281514][ T10] ipv6_add_addr+0x411/0x2000 [10120.281514][ T10] inet6_addr_add+0x30e/0xa40 [10120.281514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10120.281514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10120.281514][ T10] netlink_rcv_skb+0x130/0x360 [10120.281514][ T10] netlink_unicast+0x449/0x710 [10120.281514][ T10] netlink_sendmsg+0x723/0xbe0 [10120.281514][ T10] ____sys_sendmsg+0x7b2/0xa10 [10120.281514][ T10] ___sys_sendmsg+0xee/0x170 [10120.281514][ T10] __sys_sendmsg+0xcd/0x170 [10120.281514][ T10] do_syscall_64+0xc6/0x1e0 [10120.281514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10120.281514][ T10] [10120.283737][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10120.283737][ T10] netdev_get_by_index+0x5e/0x80 [10120.283737][ T10] fib6_nh_init+0x3d8/0x1580 [10120.283737][ T10] ip6_route_info_create+0xf18/0x17d0 [10120.283737][ T10] ip6_route_add+0x1c/0x140 [10120.283737][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10120.283737][ T10] addrconf_add_dev+0xe2/0x170 [10120.283737][ T10] inet6_addr_add+0x12f/0xa40 [10120.283737][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10120.283737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10120.283737][ T10] netlink_rcv_skb+0x130/0x360 [10120.283737][ T10] netlink_unicast+0x449/0x710 [10120.283737][ T10] netlink_sendmsg+0x723/0xbe0 [10120.283737][ T10] ____sys_sendmsg+0x7b2/0xa10 [10120.283737][ T10] ___sys_sendmsg+0xee/0x170 [10120.283737][ T10] __sys_sendmsg+0xcd/0x170 [10120.283737][ T10] do_syscall_64+0xc6/0x1e0 [10120.283737][ T10] [10120.285933][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10120.285933][ T10] ipv6_add_dev+0x3ba/0x11c0 [10120.285933][ T10] ipv6_find_idev+0x102/0x170 [10120.285933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10120.285933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10120.285933][ T10] netlink_rcv_skb+0x130/0x360 [10120.285933][ T10] netlink_unicast+0x449/0x710 [10120.285933][ T10] netlink_sendmsg+0x723/0xbe0 [10120.285933][ T10] ____sys_sendmsg+0x7b2/0xa10 [10120.285933][ T10] ___sys_sendmsg+0xee/0x170 [10120.285933][ T10] __sys_sendmsg+0xcd/0x170 [10120.285933][ T10] do_syscall_64+0xc6/0x1e0 [10120.285933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10120.285933][ T10] [10120.287641][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10120.287641][ T10] neigh_parms_alloc+0x1e5/0x510 [10120.287641][ T10] ipv6_add_dev+0x2fe/0x11c0 [10120.287641][ T10] ipv6_find_idev+0x102/0x170 [10120.287641][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10120.287641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10120.287641][ T10] netlink_rcv_skb+0x130/0x360 [10120.287641][ T10] netlink_unicast+0x449/0x710 [10120.287641][ T10] netlink_sendmsg+0x723/0xbe0 [10120.287641][ T10] ____sys_sendmsg+0x7b2/0xa10 [10120.287641][ T10] ___sys_sendmsg+0xee/0x170 [10120.287641][ T10] __sys_sendmsg+0xcd/0x170 [10120.287641][ T10] do_syscall_64+0xc6/0x1e0 [10120.287641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10120.287641][ T10] [10122.001059][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10122.001484][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10122.001484][ T1167] dst_init+0x84/0x4a0 [10122.001484][ T1167] dst_alloc+0x97/0x150 [10122.001484][ T1167] ip6_dst_alloc+0x23/0x90 [10122.001484][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10122.001484][ T1167] ip6_pol_route+0x56f/0x840 [10122.001484][ T1167] fib6_rule_lookup+0x334/0x630 [10122.001484][ T1167] ip6_route_output_flags+0x259/0x480 [10122.001484][ T1167] inet6_rtm_getroute+0x980/0xf70 [10122.001484][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10122.001484][ T1167] netlink_rcv_skb+0x130/0x360 [10122.001484][ T1167] netlink_unicast+0x449/0x710 [10122.001484][ T1167] netlink_sendmsg+0x723/0xbe0 [10122.001484][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10122.001484][ T1167] ___sys_sendmsg+0xee/0x170 [10122.001484][ T1167] __sys_sendmsg+0xcd/0x170 [10122.001484][ T1167] do_syscall_64+0xc6/0x1e0 [10122.001484][ T1167] [10122.003674][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10122.003674][ T1167] netdev_get_by_index+0x5e/0x80 [10122.003674][ T1167] fib6_nh_init+0x3d8/0x1580 [10122.003674][ T1167] ip6_route_info_create+0xf18/0x17d0 [10122.003674][ T1167] addrconf_f6i_alloc+0x265/0x560 [10122.003674][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10122.003674][ T1167] addrconf_join_anycast+0x1c0/0x220 [10122.003674][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10122.003674][ T1167] addrconf_dad_completed+0x12b/0xe20 [10122.003674][ T1167] addrconf_dad_begin+0x310/0x670 [10122.003674][ T1167] addrconf_dad_work+0x10b/0xab0 [10122.003674][ T1167] process_one_work+0x84d/0x18a0 [10122.003674][ T1167] worker_thread+0x587/0xd30 [10122.003674][ T1167] kthread+0x28a/0x350 [10122.003674][ T1167] ret_from_fork+0x31/0x70 [10122.003674][ T1167] ret_from_fork_asm+0x1a/0x30 [10122.003674][ T1167] [10122.005808][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10122.005808][ T1167] netdev_get_by_index+0x5e/0x80 [10122.005808][ T1167] fib6_nh_init+0x3d8/0x1580 [10122.005808][ T1167] ip6_route_info_create+0xf18/0x17d0 [10122.005808][ T1167] ip6_route_add+0x1c/0x140 [10122.005808][ T1167] addrconf_prefix_route+0x2a6/0x430 [10122.005808][ T1167] inet6_addr_add+0x4f8/0xa40 [10122.005808][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10122.005808][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10122.005808][ T1167] netlink_rcv_skb+0x130/0x360 [10122.005808][ T1167] netlink_unicast+0x449/0x710 [10122.005808][ T1167] netlink_sendmsg+0x723/0xbe0 [10122.005808][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10122.005808][ T1167] ___sys_sendmsg+0xee/0x170 [10122.005808][ T1167] __sys_sendmsg+0xcd/0x170 [10122.005808][ T1167] do_syscall_64+0xc6/0x1e0 [10122.005808][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10122.005808][ T1167] [10122.008045][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10122.008045][ T1167] netdev_get_by_index+0x5e/0x80 [10122.008045][ T1167] fib6_nh_init+0x3d8/0x1580 [10122.008045][ T1167] ip6_route_info_create+0xf18/0x17d0 [10122.008045][ T1167] addrconf_f6i_alloc+0x315/0x560 [10122.008045][ T1167] ipv6_add_addr+0x411/0x2000 [10122.008045][ T1167] inet6_addr_add+0x30e/0xa40 [10122.008045][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10122.008045][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10122.008045][ T1167] netlink_rcv_skb+0x130/0x360 [10122.008045][ T1167] netlink_unicast+0x449/0x710 [10122.008045][ T1167] netlink_sendmsg+0x723/0xbe0 [10122.008045][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10122.008045][ T1167] ___sys_sendmsg+0xee/0x170 [10122.008045][ T1167] __sys_sendmsg+0xcd/0x170 [10122.008045][ T1167] do_syscall_64+0xc6/0x1e0 [10122.008045][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10122.008045][ T1167] [10122.010270][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10122.010270][ T1167] netdev_get_by_index+0x5e/0x80 [10122.010270][ T1167] fib6_nh_init+0x3d8/0x1580 [10122.010270][ T1167] ip6_route_info_create+0xf18/0x17d0 [10122.010270][ T1167] ip6_route_add+0x1c/0x140 [10122.010270][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10122.010270][ T1167] addrconf_add_dev+0xe2/0x170 [10122.010270][ T1167] inet6_addr_add+0x12f/0xa40 [10122.010270][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10122.010270][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10122.010270][ T1167] netlink_rcv_skb+0x130/0x360 [10122.010270][ T1167] netlink_unicast+0x449/0x710 [10122.010270][ T1167] netlink_sendmsg+0x723/0xbe0 [10122.010270][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10122.010270][ T1167] ___sys_sendmsg+0xee/0x170 [10122.010270][ T1167] __sys_sendmsg+0xcd/0x170 [10122.010270][ T1167] do_syscall_64+0xc6/0x1e0 [10122.010270][ T1167] [10122.012491][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10122.012491][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10122.012491][ T1167] ipv6_find_idev+0x102/0x170 [10122.012491][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10122.012491][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10122.012491][ T1167] netlink_rcv_skb+0x130/0x360 [10122.012491][ T1167] netlink_unicast+0x449/0x710 [10122.012491][ T1167] netlink_sendmsg+0x723/0xbe0 [10122.012491][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10122.012491][ T1167] ___sys_sendmsg+0xee/0x170 [10122.012491][ T1167] __sys_sendmsg+0xcd/0x170 [10122.012491][ T1167] do_syscall_64+0xc6/0x1e0 [10122.012491][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10122.012491][ T1167] [10122.014228][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10122.014228][ T1167] neigh_parms_alloc+0x1e5/0x510 [10122.014228][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10122.014228][ T1167] ipv6_find_idev+0x102/0x170 [10122.014228][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10122.014228][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10122.014228][ T1167] netlink_rcv_skb+0x130/0x360 [10122.014228][ T1167] netlink_unicast+0x449/0x710 [10122.014228][ T1167] netlink_sendmsg+0x723/0xbe0 [10122.014228][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10122.014228][ T1167] ___sys_sendmsg+0xee/0x170 [10122.014228][ T1167] __sys_sendmsg+0xcd/0x170 [10122.014228][ T1167] do_syscall_64+0xc6/0x1e0 [10122.014228][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10122.014228][ T1167] [10130.529149][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10130.529571][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10130.529571][ T10] netdev_get_by_index+0x5e/0x80 [10130.529571][ T10] fib6_nh_init+0x3d8/0x1580 [10130.529571][ T10] ip6_route_info_create+0xf18/0x17d0 [10130.529571][ T10] addrconf_f6i_alloc+0x265/0x560 [10130.529571][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10130.529571][ T10] addrconf_join_anycast+0x1c0/0x220 [10130.529571][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10130.529571][ T10] addrconf_dad_completed+0x12b/0xe20 [10130.529571][ T10] addrconf_dad_begin+0x310/0x670 [10130.529571][ T10] addrconf_dad_work+0x10b/0xab0 [10130.529571][ T10] process_one_work+0x84d/0x18a0 [10130.529571][ T10] worker_thread+0x587/0xd30 [10130.529571][ T10] kthread+0x28a/0x350 [10130.529571][ T10] ret_from_fork+0x31/0x70 [10130.529571][ T10] ret_from_fork_asm+0x1a/0x30 [10130.529571][ T10] [10130.531521][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10130.531521][ T10] netdev_get_by_index+0x5e/0x80 [10130.531521][ T10] fib6_nh_init+0x3d8/0x1580 [10130.531521][ T10] ip6_route_info_create+0xf18/0x17d0 [10130.531521][ T10] ip6_route_add+0x1c/0x140 [10130.531521][ T10] addrconf_prefix_route+0x2a6/0x430 [10130.531521][ T10] inet6_addr_add+0x4f8/0xa40 [10130.531521][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10130.531521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10130.531521][ T10] netlink_rcv_skb+0x130/0x360 [10130.531521][ T10] netlink_unicast+0x449/0x710 [10130.531521][ T10] netlink_sendmsg+0x723/0xbe0 [10130.531521][ T10] ____sys_sendmsg+0x7b2/0xa10 [10130.531521][ T10] ___sys_sendmsg+0xee/0x170 [10130.531521][ T10] __sys_sendmsg+0xcd/0x170 [10130.531521][ T10] do_syscall_64+0xc6/0x1e0 [10130.531521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10130.531521][ T10] [10130.533509][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10130.533509][ T10] netdev_get_by_index+0x5e/0x80 [10130.533509][ T10] fib6_nh_init+0x3d8/0x1580 [10130.533509][ T10] ip6_route_info_create+0xf18/0x17d0 [10130.533509][ T10] addrconf_f6i_alloc+0x315/0x560 [10130.533509][ T10] ipv6_add_addr+0x411/0x2000 [10130.533509][ T10] inet6_addr_add+0x30e/0xa40 [10130.533509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10130.533509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10130.533509][ T10] netlink_rcv_skb+0x130/0x360 [10130.533509][ T10] netlink_unicast+0x449/0x710 [10130.533509][ T10] netlink_sendmsg+0x723/0xbe0 [10130.533509][ T10] ____sys_sendmsg+0x7b2/0xa10 [10130.533509][ T10] ___sys_sendmsg+0xee/0x170 [10130.533509][ T10] __sys_sendmsg+0xcd/0x170 [10130.533509][ T10] do_syscall_64+0xc6/0x1e0 [10130.533509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10130.533509][ T10] [10130.535495][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10130.535495][ T10] netdev_get_by_index+0x5e/0x80 [10130.535495][ T10] fib6_nh_init+0x3d8/0x1580 [10130.535495][ T10] ip6_route_info_create+0xf18/0x17d0 [10130.535495][ T10] ip6_route_add+0x1c/0x140 [10130.535495][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10130.535495][ T10] addrconf_add_dev+0xe2/0x170 [10130.535495][ T10] inet6_addr_add+0x12f/0xa40 [10130.535495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10130.535495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10130.535495][ T10] netlink_rcv_skb+0x130/0x360 [10130.535495][ T10] netlink_unicast+0x449/0x710 [10130.535495][ T10] netlink_sendmsg+0x723/0xbe0 [10130.535495][ T10] ____sys_sendmsg+0x7b2/0xa10 [10130.535495][ T10] ___sys_sendmsg+0xee/0x170 [10130.535495][ T10] __sys_sendmsg+0xcd/0x170 [10130.535495][ T10] do_syscall_64+0xc6/0x1e0 [10130.535495][ T10] [10130.537458][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10130.537458][ T10] ipv6_add_dev+0x3ba/0x11c0 [10130.537458][ T10] ipv6_find_idev+0x102/0x170 [10130.537458][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10130.537458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10130.537458][ T10] netlink_rcv_skb+0x130/0x360 [10130.537458][ T10] netlink_unicast+0x449/0x710 [10130.537458][ T10] netlink_sendmsg+0x723/0xbe0 [10130.537458][ T10] ____sys_sendmsg+0x7b2/0xa10 [10130.537458][ T10] ___sys_sendmsg+0xee/0x170 [10130.537458][ T10] __sys_sendmsg+0xcd/0x170 [10130.537458][ T10] do_syscall_64+0xc6/0x1e0 [10130.537458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10130.537458][ T10] [10130.538987][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10130.538987][ T10] neigh_parms_alloc+0x1e5/0x510 [10130.538987][ T10] ipv6_add_dev+0x2fe/0x11c0 [10130.538987][ T10] ipv6_find_idev+0x102/0x170 [10130.538987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10130.538987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10130.538987][ T10] netlink_rcv_skb+0x130/0x360 [10130.538987][ T10] netlink_unicast+0x449/0x710 [10130.538987][ T10] netlink_sendmsg+0x723/0xbe0 [10130.538987][ T10] ____sys_sendmsg+0x7b2/0xa10 [10130.538987][ T10] ___sys_sendmsg+0xee/0x170 [10130.538987][ T10] __sys_sendmsg+0xcd/0x170 [10130.538987][ T10] do_syscall_64+0xc6/0x1e0 [10130.538987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10130.538987][ T10] [10130.540675][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10130.540926][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10130.540926][ T10] netdev_get_by_index+0x5e/0x80 [10130.540926][ T10] fib6_nh_init+0x3d8/0x1580 [10130.540926][ T10] ip6_route_info_create+0xf18/0x17d0 [10130.540926][ T10] addrconf_f6i_alloc+0x265/0x560 [10130.540926][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10130.540926][ T10] addrconf_join_anycast+0x1c0/0x220 [10130.540926][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10130.540926][ T10] addrconf_dad_completed+0x12b/0xe20 [10130.540926][ T10] addrconf_dad_begin+0x310/0x670 [10130.540926][ T10] addrconf_dad_work+0x10b/0xab0 [10130.540926][ T10] process_one_work+0x84d/0x18a0 [10130.540926][ T10] worker_thread+0x587/0xd30 [10130.540926][ T10] kthread+0x28a/0x350 [10130.540926][ T10] ret_from_fork+0x31/0x70 [10130.540926][ T10] ret_from_fork_asm+0x1a/0x30 [10130.540926][ T10] [10130.542822][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10130.542822][ T10] netdev_get_by_index+0x5e/0x80 [10130.542822][ T10] fib6_nh_init+0x3d8/0x1580 [10130.542822][ T10] ip6_route_info_create+0xf18/0x17d0 [10130.542822][ T10] ip6_route_add+0x1c/0x140 [10130.542822][ T10] addrconf_prefix_route+0x2a6/0x430 [10130.542822][ T10] inet6_addr_add+0x4f8/0xa40 [10130.542822][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10130.542822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10130.542822][ T10] netlink_rcv_skb+0x130/0x360 [10130.542822][ T10] netlink_unicast+0x449/0x710 [10130.542822][ T10] netlink_sendmsg+0x723/0xbe0 [10130.542822][ T10] ____sys_sendmsg+0x7b2/0xa10 [10130.542822][ T10] ___sys_sendmsg+0xee/0x170 [10130.542822][ T10] __sys_sendmsg+0xcd/0x170 [10130.542822][ T10] do_syscall_64+0xc6/0x1e0 [10130.542822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10130.542822][ T10] [10130.544815][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10130.544815][ T10] netdev_get_by_index+0x5e/0x80 [10130.544815][ T10] fib6_nh_init+0x3d8/0x1580 [10130.544815][ T10] ip6_route_info_create+0xf18/0x17d0 [10130.544815][ T10] addrconf_f6i_alloc+0x315/0x560 [10130.544815][ T10] ipv6_add_addr+0x411/0x2000 [10130.544815][ T10] inet6_addr_add+0x30e/0xa40 [10130.544815][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10130.544815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10130.544815][ T10] netlink_rcv_skb+0x130/0x360 [10130.544815][ T10] netlink_unicast+0x449/0x710 [10130.544815][ T10] netlink_sendmsg+0x723/0xbe0 [10130.544815][ T10] ____sys_sendmsg+0x7b2/0xa10 [10130.544815][ T10] ___sys_sendmsg+0xee/0x170 [10130.544815][ T10] __sys_sendmsg+0xcd/0x170 [10130.544815][ T10] do_syscall_64+0xc6/0x1e0 [10130.544815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10130.544815][ T10] [10130.546797][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10130.546797][ T10] netdev_get_by_index+0x5e/0x80 [10130.546797][ T10] fib6_nh_init+0x3d8/0x1580 [10130.546797][ T10] ip6_route_info_create+0xf18/0x17d0 [10130.546797][ T10] ip6_route_add+0x1c/0x140 [10130.546797][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10130.546797][ T10] addrconf_add_dev+0xe2/0x170 [10130.546797][ T10] inet6_addr_add+0x12f/0xa40 [10130.546797][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10130.546797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10130.546797][ T10] netlink_rcv_skb+0x130/0x360 [10130.546797][ T10] netlink_unicast+0x449/0x710 [10130.546797][ T10] netlink_sendmsg+0x723/0xbe0 [10130.546797][ T10] ____sys_sendmsg+0x7b2/0xa10 [10130.546797][ T10] ___sys_sendmsg+0xee/0x170 [10130.546797][ T10] __sys_sendmsg+0xcd/0x170 [10130.546797][ T10] do_syscall_64+0xc6/0x1e0 [10130.546797][ T10] [10130.548749][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10130.548749][ T10] ipv6_add_dev+0x3ba/0x11c0 [10130.548749][ T10] ipv6_find_idev+0x102/0x170 [10130.548749][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10130.548749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10130.548749][ T10] netlink_rcv_skb+0x130/0x360 [10130.548749][ T10] netlink_unicast+0x449/0x710 [10130.548749][ T10] netlink_sendmsg+0x723/0xbe0 [10130.548749][ T10] ____sys_sendmsg+0x7b2/0xa10 [10130.548749][ T10] ___sys_sendmsg+0xee/0x170 [10130.548749][ T10] __sys_sendmsg+0xcd/0x170 [10130.548749][ T10] do_syscall_64+0xc6/0x1e0 [10130.548749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10130.548749][ T10] [10130.550278][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10130.550278][ T10] neigh_parms_alloc+0x1e5/0x510 [10130.550278][ T10] ipv6_add_dev+0x2fe/0x11c0 [10130.550278][ T10] ipv6_find_idev+0x102/0x170 [10130.550278][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10130.550278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10130.550278][ T10] netlink_rcv_skb+0x130/0x360 [10130.550278][ T10] netlink_unicast+0x449/0x710 [10130.550278][ T10] netlink_sendmsg+0x723/0xbe0 [10130.550278][ T10] ____sys_sendmsg+0x7b2/0xa10 [10130.550278][ T10] ___sys_sendmsg+0xee/0x170 [10130.550278][ T10] __sys_sendmsg+0xcd/0x170 [10130.550278][ T10] do_syscall_64+0xc6/0x1e0 [10130.550278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10130.550278][ T10] [10130.551965][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10130.552212][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10130.552212][ T10] netdev_get_by_index+0x5e/0x80 [10130.552212][ T10] fib6_nh_init+0x3d8/0x1580 [10130.552212][ T10] ip6_route_info_create+0xf18/0x17d0 [10130.552212][ T10] addrconf_f6i_alloc+0x265/0x560 [10130.552212][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10130.552212][ T10] addrconf_join_anycast+0x1c0/0x220 [10130.552212][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10130.552212][ T10] addrconf_dad_completed+0x12b/0xe20 [10130.552212][ T10] addrconf_dad_begin+0x310/0x670 [10130.552212][ T10] addrconf_dad_work+0x10b/0xab0 [10130.552212][ T10] process_one_work+0x84d/0x18a0 [10130.552212][ T10] worker_thread+0x587/0xd30 [10130.552212][ T10] kthread+0x28a/0x350 [10130.552212][ T10] ret_from_fork+0x31/0x70 [10130.552212][ T10] ret_from_fork_asm+0x1a/0x30 [10130.552212][ T10] [10130.554121][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10130.554121][ T10] netdev_get_by_index+0x5e/0x80 [10130.554121][ T10] fib6_nh_init+0x3d8/0x1580 [10130.554121][ T10] ip6_route_info_create+0xf18/0x17d0 [10130.554121][ T10] ip6_route_add+0x1c/0x140 [10130.554121][ T10] addrconf_prefix_route+0x2a6/0x430 [10130.554121][ T10] inet6_addr_add+0x4f8/0xa40 [10130.554121][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10130.554121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10130.554121][ T10] netlink_rcv_skb+0x130/0x360 [10130.554121][ T10] netlink_unicast+0x449/0x710 [10130.554121][ T10] netlink_sendmsg+0x723/0xbe0 [10130.554121][ T10] ____sys_sendmsg+0x7b2/0xa10 [10130.554121][ T10] ___sys_sendmsg+0xee/0x170 [10130.554121][ T10] __sys_sendmsg+0xcd/0x170 [10130.554121][ T10] do_syscall_64+0xc6/0x1e0 [10130.554121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10130.554121][ T10] [10130.556301][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10130.556301][ T10] netdev_get_by_index+0x5e/0x80 [10130.556301][ T10] fib6_nh_init+0x3d8/0x1580 [10130.556301][ T10] ip6_route_info_create+0xf18/0x17d0 [10130.556301][ T10] addrconf_f6i_alloc+0x315/0x560 [10130.556301][ T10] ipv6_add_addr+0x411/0x2000 [10130.556301][ T10] inet6_addr_add+0x30e/0xa40 [10130.556301][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10130.556301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10130.556301][ T10] netlink_rcv_skb+0x130/0x360 [10130.556301][ T10] netlink_unicast+0x449/0x710 [10130.556301][ T10] netlink_sendmsg+0x723/0xbe0 [10130.556301][ T10] ____sys_sendmsg+0x7b2/0xa10 [10130.556301][ T10] ___sys_sendmsg+0xee/0x170 [10130.556301][ T10] __sys_sendmsg+0xcd/0x170 [10130.556301][ T10] do_syscall_64+0xc6/0x1e0 [10130.556301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10130.556301][ T10] [10130.558585][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10130.558585][ T10] netdev_get_by_index+0x5e/0x80 [10130.558585][ T10] fib6_nh_init+0x3d8/0x1580 [10130.558585][ T10] ip6_route_info_create+0xf18/0x17d0 [10130.558585][ T10] ip6_route_add+0x1c/0x140 [10130.558585][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10130.558585][ T10] addrconf_add_dev+0xe2/0x170 [10130.558585][ T10] inet6_addr_add+0x12f/0xa40 [10130.558585][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10130.558585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10130.558585][ T10] netlink_rcv_skb+0x130/0x360 [10130.558585][ T10] netlink_unicast+0x449/0x710 [10130.558585][ T10] netlink_sendmsg+0x723/0xbe0 [10130.558585][ T10] ____sys_sendmsg+0x7b2/0xa10 [10130.558585][ T10] ___sys_sendmsg+0xee/0x170 [10130.558585][ T10] __sys_sendmsg+0xcd/0x170 [10130.558585][ T10] do_syscall_64+0xc6/0x1e0 [10130.558585][ T10] [10130.560717][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10130.560717][ T10] ipv6_add_dev+0x3ba/0x11c0 [10130.560717][ T10] ipv6_find_idev+0x102/0x170 [10130.560717][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10130.560717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10130.560717][ T10] netlink_rcv_skb+0x130/0x360 [10130.560717][ T10] netlink_unicast+0x449/0x710 [10130.560717][ T10] netlink_sendmsg+0x723/0xbe0 [10130.560717][ T10] ____sys_sendmsg+0x7b2/0xa10 [10130.560717][ T10] ___sys_sendmsg+0xee/0x170 [10130.560717][ T10] __sys_sendmsg+0xcd/0x170 [10130.560717][ T10] do_syscall_64+0xc6/0x1e0 [10130.560717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10130.560717][ T10] [10130.562423][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10130.562423][ T10] neigh_parms_alloc+0x1e5/0x510 [10130.562423][ T10] ipv6_add_dev+0x2fe/0x11c0 [10130.562423][ T10] ipv6_find_idev+0x102/0x170 [10130.562423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10130.562423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10130.562423][ T10] netlink_rcv_skb+0x130/0x360 [10130.562423][ T10] netlink_unicast+0x449/0x710 [10130.562423][ T10] netlink_sendmsg+0x723/0xbe0 [10130.562423][ T10] ____sys_sendmsg+0x7b2/0xa10 [10130.562423][ T10] ___sys_sendmsg+0xee/0x170 [10130.562423][ T10] __sys_sendmsg+0xcd/0x170 [10130.562423][ T10] do_syscall_64+0xc6/0x1e0 [10130.562423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10130.562423][ T10] [10130.564342][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10130.564576][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10130.564576][ T10] netdev_get_by_index+0x5e/0x80 [10130.564576][ T10] fib6_nh_init+0x3d8/0x1580 [10130.564576][ T10] ip6_route_info_create+0xf18/0x17d0 [10130.564576][ T10] addrconf_f6i_alloc+0x265/0x560 [10130.564576][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10130.564576][ T10] addrconf_join_anycast+0x1c0/0x220 [10130.564576][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10130.564576][ T10] addrconf_dad_completed+0x12b/0xe20 [10130.564576][ T10] addrconf_dad_begin+0x310/0x670 [10130.564576][ T10] addrconf_dad_work+0x10b/0xab0 [10130.564576][ T10] process_one_work+0x84d/0x18a0 [10130.564576][ T10] worker_thread+0x587/0xd30 [10130.564576][ T10] kthread+0x28a/0x350 [10130.564576][ T10] ret_from_fork+0x31/0x70 [10130.564576][ T10] ret_from_fork_asm+0x1a/0x30 [10130.564576][ T10] [10130.566814][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10130.566814][ T10] netdev_get_by_index+0x5e/0x80 [10130.566814][ T10] fib6_nh_init+0x3d8/0x1580 [10130.566814][ T10] ip6_route_info_create+0xf18/0x17d0 [10130.566814][ T10] ip6_route_add+0x1c/0x140 [10130.566814][ T10] addrconf_prefix_route+0x2a6/0x430 [10130.566814][ T10] inet6_addr_add+0x4f8/0xa40 [10130.566814][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10130.566814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10130.566814][ T10] netlink_rcv_skb+0x130/0x360 [10130.566814][ T10] netlink_unicast+0x449/0x710 [10130.566814][ T10] netlink_sendmsg+0x723/0xbe0 [10130.566814][ T10] ____sys_sendmsg+0x7b2/0xa10 [10130.566814][ T10] ___sys_sendmsg+0xee/0x170 [10130.566814][ T10] __sys_sendmsg+0xcd/0x170 [10130.566814][ T10] do_syscall_64+0xc6/0x1e0 [10130.566814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10130.566814][ T10] [10130.568975][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10130.568975][ T10] netdev_get_by_index+0x5e/0x80 [10130.568975][ T10] fib6_nh_init+0x3d8/0x1580 [10130.568975][ T10] ip6_route_info_create+0xf18/0x17d0 [10130.568975][ T10] addrconf_f6i_alloc+0x315/0x560 [10130.568975][ T10] ipv6_add_addr+0x411/0x2000 [10130.568975][ T10] inet6_addr_add+0x30e/0xa40 [10130.568975][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10130.568975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10130.568975][ T10] netlink_rcv_skb+0x130/0x360 [10130.568975][ T10] netlink_unicast+0x449/0x710 [10130.568975][ T10] netlink_sendmsg+0x723/0xbe0 [10130.568975][ T10] ____sys_sendmsg+0x7b2/0xa10 [10130.568975][ T10] ___sys_sendmsg+0xee/0x170 [10130.568975][ T10] __sys_sendmsg+0xcd/0x170 [10130.568975][ T10] do_syscall_64+0xc6/0x1e0 [10130.568975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10130.568975][ T10] [10130.571201][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10130.571201][ T10] netdev_get_by_index+0x5e/0x80 [10130.571201][ T10] fib6_nh_init+0x3d8/0x1580 [10130.571201][ T10] ip6_route_info_create+0xf18/0x17d0 [10130.571201][ T10] ip6_route_add+0x1c/0x140 [10130.571201][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10130.571201][ T10] addrconf_add_dev+0xe2/0x170 [10130.571201][ T10] inet6_addr_add+0x12f/0xa40 [10130.571201][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10130.571201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10130.571201][ T10] netlink_rcv_skb+0x130/0x360 [10130.571201][ T10] netlink_unicast+0x449/0x710 [10130.571201][ T10] netlink_sendmsg+0x723/0xbe0 [10130.571201][ T10] ____sys_sendmsg+0x7b2/0xa10 [10130.571201][ T10] ___sys_sendmsg+0xee/0x170 [10130.571201][ T10] __sys_sendmsg+0xcd/0x170 [10130.571201][ T10] do_syscall_64+0xc6/0x1e0 [10130.571201][ T10] [10130.573392][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10130.573392][ T10] ipv6_add_dev+0x3ba/0x11c0 [10130.573392][ T10] ipv6_find_idev+0x102/0x170 [10130.573392][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10130.573392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10130.573392][ T10] netlink_rcv_skb+0x130/0x360 [10130.573392][ T10] netlink_unicast+0x449/0x710 [10130.573392][ T10] netlink_sendmsg+0x723/0xbe0 [10130.573392][ T10] ____sys_sendmsg+0x7b2/0xa10 [10130.573392][ T10] ___sys_sendmsg+0xee/0x170 [10130.573392][ T10] __sys_sendmsg+0xcd/0x170 [10130.573392][ T10] do_syscall_64+0xc6/0x1e0 [10130.573392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10130.573392][ T10] [10130.575111][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10130.575111][ T10] neigh_parms_alloc+0x1e5/0x510 [10130.575111][ T10] ipv6_add_dev+0x2fe/0x11c0 [10130.575111][ T10] ipv6_find_idev+0x102/0x170 [10130.575111][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10130.575111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10130.575111][ T10] netlink_rcv_skb+0x130/0x360 [10130.575111][ T10] netlink_unicast+0x449/0x710 [10130.575111][ T10] netlink_sendmsg+0x723/0xbe0 [10130.575111][ T10] ____sys_sendmsg+0x7b2/0xa10 [10130.575111][ T10] ___sys_sendmsg+0xee/0x170 [10130.575111][ T10] __sys_sendmsg+0xcd/0x170 [10130.575111][ T10] do_syscall_64+0xc6/0x1e0 [10130.575111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10130.575111][ T10] [10132.257159][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10132.257613][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10132.257613][ T1167] dst_init+0x84/0x4a0 [10132.257613][ T1167] dst_alloc+0x97/0x150 [10132.257613][ T1167] ip6_dst_alloc+0x23/0x90 [10132.257613][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10132.257613][ T1167] ip6_pol_route+0x56f/0x840 [10132.257613][ T1167] fib6_rule_lookup+0x334/0x630 [10132.257613][ T1167] ip6_route_output_flags+0x259/0x480 [10132.257613][ T1167] inet6_rtm_getroute+0x980/0xf70 [10132.257613][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10132.257613][ T1167] netlink_rcv_skb+0x130/0x360 [10132.257613][ T1167] netlink_unicast+0x449/0x710 [10132.257613][ T1167] netlink_sendmsg+0x723/0xbe0 [10132.257613][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10132.257613][ T1167] ___sys_sendmsg+0xee/0x170 [10132.257613][ T1167] __sys_sendmsg+0xcd/0x170 [10132.257613][ T1167] do_syscall_64+0xc6/0x1e0 [10132.257613][ T1167] [10132.259851][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10132.259851][ T1167] netdev_get_by_index+0x5e/0x80 [10132.259851][ T1167] fib6_nh_init+0x3d8/0x1580 [10132.259851][ T1167] ip6_route_info_create+0xf18/0x17d0 [10132.259851][ T1167] addrconf_f6i_alloc+0x265/0x560 [10132.259851][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10132.259851][ T1167] addrconf_join_anycast+0x1c0/0x220 [10132.259851][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10132.259851][ T1167] addrconf_dad_completed+0x12b/0xe20 [10132.259851][ T1167] addrconf_dad_begin+0x310/0x670 [10132.259851][ T1167] addrconf_dad_work+0x10b/0xab0 [10132.259851][ T1167] process_one_work+0x84d/0x18a0 [10132.259851][ T1167] worker_thread+0x587/0xd30 [10132.259851][ T1167] kthread+0x28a/0x350 [10132.259851][ T1167] ret_from_fork+0x31/0x70 [10132.259851][ T1167] ret_from_fork_asm+0x1a/0x30 [10132.259851][ T1167] [10132.262033][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10132.262033][ T1167] netdev_get_by_index+0x5e/0x80 [10132.262033][ T1167] fib6_nh_init+0x3d8/0x1580 [10132.262033][ T1167] ip6_route_info_create+0xf18/0x17d0 [10132.262033][ T1167] ip6_route_add+0x1c/0x140 [10132.262033][ T1167] addrconf_prefix_route+0x2a6/0x430 [10132.262033][ T1167] inet6_addr_add+0x4f8/0xa40 [10132.262033][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10132.262033][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10132.262033][ T1167] netlink_rcv_skb+0x130/0x360 [10132.262033][ T1167] netlink_unicast+0x449/0x710 [10132.262033][ T1167] netlink_sendmsg+0x723/0xbe0 [10132.262033][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10132.262033][ T1167] ___sys_sendmsg+0xee/0x170 [10132.262033][ T1167] __sys_sendmsg+0xcd/0x170 [10132.262033][ T1167] do_syscall_64+0xc6/0x1e0 [10132.262033][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10132.262033][ T1167] [10132.264306][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10132.264306][ T1167] netdev_get_by_index+0x5e/0x80 [10132.264306][ T1167] fib6_nh_init+0x3d8/0x1580 [10132.264306][ T1167] ip6_route_info_create+0xf18/0x17d0 [10132.264306][ T1167] addrconf_f6i_alloc+0x315/0x560 [10132.264306][ T1167] ipv6_add_addr+0x411/0x2000 [10132.264306][ T1167] inet6_addr_add+0x30e/0xa40 [10132.264306][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10132.264306][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10132.264306][ T1167] netlink_rcv_skb+0x130/0x360 [10132.264306][ T1167] netlink_unicast+0x449/0x710 [10132.264306][ T1167] netlink_sendmsg+0x723/0xbe0 [10132.264306][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10132.264306][ T1167] ___sys_sendmsg+0xee/0x170 [10132.264306][ T1167] __sys_sendmsg+0xcd/0x170 [10132.264306][ T1167] do_syscall_64+0xc6/0x1e0 [10132.264306][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10132.264306][ T1167] [10132.266675][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10132.266675][ T1167] netdev_get_by_index+0x5e/0x80 [10132.266675][ T1167] fib6_nh_init+0x3d8/0x1580 [10132.266675][ T1167] ip6_route_info_create+0xf18/0x17d0 [10132.266675][ T1167] ip6_route_add+0x1c/0x140 [10132.266675][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10132.266675][ T1167] addrconf_add_dev+0xe2/0x170 [10132.266675][ T1167] inet6_addr_add+0x12f/0xa40 [10132.266675][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10132.266675][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10132.266675][ T1167] netlink_rcv_skb+0x130/0x360 [10132.266675][ T1167] netlink_unicast+0x449/0x710 [10132.266675][ T1167] netlink_sendmsg+0x723/0xbe0 [10132.266675][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10132.266675][ T1167] ___sys_sendmsg+0xee/0x170 [10132.266675][ T1167] __sys_sendmsg+0xcd/0x170 [10132.266675][ T1167] do_syscall_64+0xc6/0x1e0 [10132.266675][ T1167] [10132.268896][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10132.268896][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10132.268896][ T1167] ipv6_find_idev+0x102/0x170 [10132.268896][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10132.268896][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10132.268896][ T1167] netlink_rcv_skb+0x130/0x360 [10132.268896][ T1167] netlink_unicast+0x449/0x710 [10132.268896][ T1167] netlink_sendmsg+0x723/0xbe0 [10132.268896][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10132.268896][ T1167] ___sys_sendmsg+0xee/0x170 [10132.268896][ T1167] __sys_sendmsg+0xcd/0x170 [10132.268896][ T1167] do_syscall_64+0xc6/0x1e0 [10132.268896][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10132.268896][ T1167] [10132.270633][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10132.270633][ T1167] neigh_parms_alloc+0x1e5/0x510 [10132.270633][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10132.270633][ T1167] ipv6_find_idev+0x102/0x170 [10132.270633][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10132.270633][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10132.270633][ T1167] netlink_rcv_skb+0x130/0x360 [10132.270633][ T1167] netlink_unicast+0x449/0x710 [10132.270633][ T1167] netlink_sendmsg+0x723/0xbe0 [10132.270633][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10132.270633][ T1167] ___sys_sendmsg+0xee/0x170 [10132.270633][ T1167] __sys_sendmsg+0xcd/0x170 [10132.270633][ T1167] do_syscall_64+0xc6/0x1e0 [10132.270633][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10132.270633][ T1167] [10140.713128][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10140.713595][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10140.713595][ T10] netdev_get_by_index+0x5e/0x80 [10140.713595][ T10] fib6_nh_init+0x3d8/0x1580 [10140.713595][ T10] ip6_route_info_create+0xf18/0x17d0 [10140.713595][ T10] addrconf_f6i_alloc+0x265/0x560 [10140.713595][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10140.713595][ T10] addrconf_join_anycast+0x1c0/0x220 [10140.713595][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10140.713595][ T10] addrconf_dad_completed+0x12b/0xe20 [10140.713595][ T10] addrconf_dad_begin+0x310/0x670 [10140.713595][ T10] addrconf_dad_work+0x10b/0xab0 [10140.713595][ T10] process_one_work+0x84d/0x18a0 [10140.713595][ T10] worker_thread+0x587/0xd30 [10140.713595][ T10] kthread+0x28a/0x350 [10140.713595][ T10] ret_from_fork+0x31/0x70 [10140.713595][ T10] ret_from_fork_asm+0x1a/0x30 [10140.713595][ T10] [10140.715550][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10140.715550][ T10] netdev_get_by_index+0x5e/0x80 [10140.715550][ T10] fib6_nh_init+0x3d8/0x1580 [10140.715550][ T10] ip6_route_info_create+0xf18/0x17d0 [10140.715550][ T10] ip6_route_add+0x1c/0x140 [10140.715550][ T10] addrconf_prefix_route+0x2a6/0x430 [10140.715550][ T10] inet6_addr_add+0x4f8/0xa40 [10140.715550][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10140.715550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10140.715550][ T10] netlink_rcv_skb+0x130/0x360 [10140.715550][ T10] netlink_unicast+0x449/0x710 [10140.715550][ T10] netlink_sendmsg+0x723/0xbe0 [10140.715550][ T10] ____sys_sendmsg+0x7b2/0xa10 [10140.715550][ T10] ___sys_sendmsg+0xee/0x170 [10140.715550][ T10] __sys_sendmsg+0xcd/0x170 [10140.715550][ T10] do_syscall_64+0xc6/0x1e0 [10140.715550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10140.715550][ T10] [10140.717587][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10140.717587][ T10] netdev_get_by_index+0x5e/0x80 [10140.717587][ T10] fib6_nh_init+0x3d8/0x1580 [10140.717587][ T10] ip6_route_info_create+0xf18/0x17d0 [10140.717587][ T10] addrconf_f6i_alloc+0x315/0x560 [10140.717587][ T10] ipv6_add_addr+0x411/0x2000 [10140.717587][ T10] inet6_addr_add+0x30e/0xa40 [10140.717587][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10140.717587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10140.717587][ T10] netlink_rcv_skb+0x130/0x360 [10140.717587][ T10] netlink_unicast+0x449/0x710 [10140.717587][ T10] netlink_sendmsg+0x723/0xbe0 [10140.717587][ T10] ____sys_sendmsg+0x7b2/0xa10 [10140.717587][ T10] ___sys_sendmsg+0xee/0x170 [10140.717587][ T10] __sys_sendmsg+0xcd/0x170 [10140.717587][ T10] do_syscall_64+0xc6/0x1e0 [10140.717587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10140.717587][ T10] [10140.719594][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10140.719594][ T10] netdev_get_by_index+0x5e/0x80 [10140.719594][ T10] fib6_nh_init+0x3d8/0x1580 [10140.719594][ T10] ip6_route_info_create+0xf18/0x17d0 [10140.719594][ T10] ip6_route_add+0x1c/0x140 [10140.719594][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10140.719594][ T10] addrconf_add_dev+0xe2/0x170 [10140.719594][ T10] inet6_addr_add+0x12f/0xa40 [10140.719594][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10140.719594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10140.719594][ T10] netlink_rcv_skb+0x130/0x360 [10140.719594][ T10] netlink_unicast+0x449/0x710 [10140.719594][ T10] netlink_sendmsg+0x723/0xbe0 [10140.719594][ T10] ____sys_sendmsg+0x7b2/0xa10 [10140.719594][ T10] ___sys_sendmsg+0xee/0x170 [10140.719594][ T10] __sys_sendmsg+0xcd/0x170 [10140.719594][ T10] do_syscall_64+0xc6/0x1e0 [10140.719594][ T10] [10140.721581][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10140.721581][ T10] ipv6_add_dev+0x3ba/0x11c0 [10140.721581][ T10] ipv6_find_idev+0x102/0x170 [10140.721581][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10140.721581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10140.721581][ T10] netlink_rcv_skb+0x130/0x360 [10140.721581][ T10] netlink_unicast+0x449/0x710 [10140.721581][ T10] netlink_sendmsg+0x723/0xbe0 [10140.721581][ T10] ____sys_sendmsg+0x7b2/0xa10 [10140.721581][ T10] ___sys_sendmsg+0xee/0x170 [10140.721581][ T10] __sys_sendmsg+0xcd/0x170 [10140.721581][ T10] do_syscall_64+0xc6/0x1e0 [10140.721581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10140.721581][ T10] [10140.723130][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10140.723130][ T10] neigh_parms_alloc+0x1e5/0x510 [10140.723130][ T10] ipv6_add_dev+0x2fe/0x11c0 [10140.723130][ T10] ipv6_find_idev+0x102/0x170 [10140.723130][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10140.723130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10140.723130][ T10] netlink_rcv_skb+0x130/0x360 [10140.723130][ T10] netlink_unicast+0x449/0x710 [10140.723130][ T10] netlink_sendmsg+0x723/0xbe0 [10140.723130][ T10] ____sys_sendmsg+0x7b2/0xa10 [10140.723130][ T10] ___sys_sendmsg+0xee/0x170 [10140.723130][ T10] __sys_sendmsg+0xcd/0x170 [10140.723130][ T10] do_syscall_64+0xc6/0x1e0 [10140.723130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10140.723130][ T10] [10140.724838][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10140.725098][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10140.725098][ T10] netdev_get_by_index+0x5e/0x80 [10140.725098][ T10] fib6_nh_init+0x3d8/0x1580 [10140.725098][ T10] ip6_route_info_create+0xf18/0x17d0 [10140.725098][ T10] addrconf_f6i_alloc+0x265/0x560 [10140.725098][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10140.725098][ T10] addrconf_join_anycast+0x1c0/0x220 [10140.725098][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10140.725098][ T10] addrconf_dad_completed+0x12b/0xe20 [10140.725098][ T10] addrconf_dad_begin+0x310/0x670 [10140.725098][ T10] addrconf_dad_work+0x10b/0xab0 [10140.725098][ T10] process_one_work+0x84d/0x18a0 [10140.725098][ T10] worker_thread+0x587/0xd30 [10140.725098][ T10] kthread+0x28a/0x350 [10140.725098][ T10] ret_from_fork+0x31/0x70 [10140.725098][ T10] ret_from_fork_asm+0x1a/0x30 [10140.725098][ T10] [10140.727015][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10140.727015][ T10] netdev_get_by_index+0x5e/0x80 [10140.727015][ T10] fib6_nh_init+0x3d8/0x1580 [10140.727015][ T10] ip6_route_info_create+0xf18/0x17d0 [10140.727015][ T10] ip6_route_add+0x1c/0x140 [10140.727015][ T10] addrconf_prefix_route+0x2a6/0x430 [10140.727015][ T10] inet6_addr_add+0x4f8/0xa40 [10140.727015][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10140.727015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10140.727015][ T10] netlink_rcv_skb+0x130/0x360 [10140.727015][ T10] netlink_unicast+0x449/0x710 [10140.727015][ T10] netlink_sendmsg+0x723/0xbe0 [10140.727015][ T10] ____sys_sendmsg+0x7b2/0xa10 [10140.727015][ T10] ___sys_sendmsg+0xee/0x170 [10140.727015][ T10] __sys_sendmsg+0xcd/0x170 [10140.727015][ T10] do_syscall_64+0xc6/0x1e0 [10140.727015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10140.727015][ T10] [10140.729019][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10140.729019][ T10] netdev_get_by_index+0x5e/0x80 [10140.729019][ T10] fib6_nh_init+0x3d8/0x1580 [10140.729019][ T10] ip6_route_info_create+0xf18/0x17d0 [10140.729019][ T10] addrconf_f6i_alloc+0x315/0x560 [10140.729019][ T10] ipv6_add_addr+0x411/0x2000 [10140.729019][ T10] inet6_addr_add+0x30e/0xa40 [10140.729019][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10140.729019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10140.729019][ T10] netlink_rcv_skb+0x130/0x360 [10140.729019][ T10] netlink_unicast+0x449/0x710 [10140.729019][ T10] netlink_sendmsg+0x723/0xbe0 [10140.729019][ T10] ____sys_sendmsg+0x7b2/0xa10 [10140.729019][ T10] ___sys_sendmsg+0xee/0x170 [10140.729019][ T10] __sys_sendmsg+0xcd/0x170 [10140.729019][ T10] do_syscall_64+0xc6/0x1e0 [10140.729019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10140.729019][ T10] [10140.731053][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10140.731053][ T10] netdev_get_by_index+0x5e/0x80 [10140.731053][ T10] fib6_nh_init+0x3d8/0x1580 [10140.731053][ T10] ip6_route_info_create+0xf18/0x17d0 [10140.731053][ T10] ip6_route_add+0x1c/0x140 [10140.731053][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10140.731053][ T10] addrconf_add_dev+0xe2/0x170 [10140.731053][ T10] inet6_addr_add+0x12f/0xa40 [10140.731053][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10140.731053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10140.731053][ T10] netlink_rcv_skb+0x130/0x360 [10140.731053][ T10] netlink_unicast+0x449/0x710 [10140.731053][ T10] netlink_sendmsg+0x723/0xbe0 [10140.731053][ T10] ____sys_sendmsg+0x7b2/0xa10 [10140.731053][ T10] ___sys_sendmsg+0xee/0x170 [10140.731053][ T10] __sys_sendmsg+0xcd/0x170 [10140.731053][ T10] do_syscall_64+0xc6/0x1e0 [10140.731053][ T10] [10140.733023][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10140.733023][ T10] ipv6_add_dev+0x3ba/0x11c0 [10140.733023][ T10] ipv6_find_idev+0x102/0x170 [10140.733023][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10140.733023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10140.733023][ T10] netlink_rcv_skb+0x130/0x360 [10140.733023][ T10] netlink_unicast+0x449/0x710 [10140.733023][ T10] netlink_sendmsg+0x723/0xbe0 [10140.733023][ T10] ____sys_sendmsg+0x7b2/0xa10 [10140.733023][ T10] ___sys_sendmsg+0xee/0x170 [10140.733023][ T10] __sys_sendmsg+0xcd/0x170 [10140.733023][ T10] do_syscall_64+0xc6/0x1e0 [10140.733023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10140.733023][ T10] [10140.734567][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10140.734567][ T10] neigh_parms_alloc+0x1e5/0x510 [10140.734567][ T10] ipv6_add_dev+0x2fe/0x11c0 [10140.734567][ T10] ipv6_find_idev+0x102/0x170 [10140.734567][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10140.734567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10140.734567][ T10] netlink_rcv_skb+0x130/0x360 [10140.734567][ T10] netlink_unicast+0x449/0x710 [10140.734567][ T10] netlink_sendmsg+0x723/0xbe0 [10140.734567][ T10] ____sys_sendmsg+0x7b2/0xa10 [10140.734567][ T10] ___sys_sendmsg+0xee/0x170 [10140.734567][ T10] __sys_sendmsg+0xcd/0x170 [10140.734567][ T10] do_syscall_64+0xc6/0x1e0 [10140.734567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10140.734567][ T10] [10140.736263][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10140.736500][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10140.736500][ T10] netdev_get_by_index+0x5e/0x80 [10140.736500][ T10] fib6_nh_init+0x3d8/0x1580 [10140.736500][ T10] ip6_route_info_create+0xf18/0x17d0 [10140.736500][ T10] addrconf_f6i_alloc+0x265/0x560 [10140.736500][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10140.736500][ T10] addrconf_join_anycast+0x1c0/0x220 [10140.736500][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10140.736500][ T10] addrconf_dad_completed+0x12b/0xe20 [10140.736500][ T10] addrconf_dad_begin+0x310/0x670 [10140.736500][ T10] addrconf_dad_work+0x10b/0xab0 [10140.736500][ T10] process_one_work+0x84d/0x18a0 [10140.736500][ T10] worker_thread+0x587/0xd30 [10140.736500][ T10] kthread+0x28a/0x350 [10140.736500][ T10] ret_from_fork+0x31/0x70 [10140.736500][ T10] ret_from_fork_asm+0x1a/0x30 [10140.736500][ T10] [10140.738425][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10140.738425][ T10] netdev_get_by_index+0x5e/0x80 [10140.738425][ T10] fib6_nh_init+0x3d8/0x1580 [10140.738425][ T10] ip6_route_info_create+0xf18/0x17d0 [10140.738425][ T10] ip6_route_add+0x1c/0x140 [10140.738425][ T10] addrconf_prefix_route+0x2a6/0x430 [10140.738425][ T10] inet6_addr_add+0x4f8/0xa40 [10140.738425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10140.738425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10140.738425][ T10] netlink_rcv_skb+0x130/0x360 [10140.738425][ T10] netlink_unicast+0x449/0x710 [10140.738425][ T10] netlink_sendmsg+0x723/0xbe0 [10140.738425][ T10] ____sys_sendmsg+0x7b2/0xa10 [10140.738425][ T10] ___sys_sendmsg+0xee/0x170 [10140.738425][ T10] __sys_sendmsg+0xcd/0x170 [10140.738425][ T10] do_syscall_64+0xc6/0x1e0 [10140.738425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10140.738425][ T10] [10140.740625][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10140.740625][ T10] netdev_get_by_index+0x5e/0x80 [10140.740625][ T10] fib6_nh_init+0x3d8/0x1580 [10140.740625][ T10] ip6_route_info_create+0xf18/0x17d0 [10140.740625][ T10] addrconf_f6i_alloc+0x315/0x560 [10140.740625][ T10] ipv6_add_addr+0x411/0x2000 [10140.740625][ T10] inet6_addr_add+0x30e/0xa40 [10140.740625][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10140.740625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10140.740625][ T10] netlink_rcv_skb+0x130/0x360 [10140.740625][ T10] netlink_unicast+0x449/0x710 [10140.740625][ T10] netlink_sendmsg+0x723/0xbe0 [10140.740625][ T10] ____sys_sendmsg+0x7b2/0xa10 [10140.740625][ T10] ___sys_sendmsg+0xee/0x170 [10140.740625][ T10] __sys_sendmsg+0xcd/0x170 [10140.740625][ T10] do_syscall_64+0xc6/0x1e0 [10140.740625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10140.740625][ T10] [10140.743455][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10140.743455][ T10] netdev_get_by_index+0x5e/0x80 [10140.743455][ T10] fib6_nh_init+0x3d8/0x1580 [10140.743455][ T10] ip6_route_info_create+0xf18/0x17d0 [10140.743455][ T10] ip6_route_add+0x1c/0x140 [10140.743455][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10140.743455][ T10] addrconf_add_dev+0xe2/0x170 [10140.743455][ T10] inet6_addr_add+0x12f/0xa40 [10140.743455][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10140.743455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10140.743455][ T10] netlink_rcv_skb+0x130/0x360 [10140.743455][ T10] netlink_unicast+0x449/0x710 [10140.743455][ T10] netlink_sendmsg+0x723/0xbe0 [10140.743455][ T10] ____sys_sendmsg+0x7b2/0xa10 [10140.743455][ T10] ___sys_sendmsg+0xee/0x170 [10140.743455][ T10] __sys_sendmsg+0xcd/0x170 [10140.743455][ T10] do_syscall_64+0xc6/0x1e0 [10140.743455][ T10] [10140.745600][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10140.745600][ T10] ipv6_add_dev+0x3ba/0x11c0 [10140.745600][ T10] ipv6_find_idev+0x102/0x170 [10140.745600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10140.745600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10140.745600][ T10] netlink_rcv_skb+0x130/0x360 [10140.745600][ T10] netlink_unicast+0x449/0x710 [10140.745600][ T10] netlink_sendmsg+0x723/0xbe0 [10140.745600][ T10] ____sys_sendmsg+0x7b2/0xa10 [10140.745600][ T10] ___sys_sendmsg+0xee/0x170 [10140.745600][ T10] __sys_sendmsg+0xcd/0x170 [10140.745600][ T10] do_syscall_64+0xc6/0x1e0 [10140.745600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10140.745600][ T10] [10140.747327][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10140.747327][ T10] neigh_parms_alloc+0x1e5/0x510 [10140.747327][ T10] ipv6_add_dev+0x2fe/0x11c0 [10140.747327][ T10] ipv6_find_idev+0x102/0x170 [10140.747327][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10140.747327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10140.747327][ T10] netlink_rcv_skb+0x130/0x360 [10140.747327][ T10] netlink_unicast+0x449/0x710 [10140.747327][ T10] netlink_sendmsg+0x723/0xbe0 [10140.747327][ T10] ____sys_sendmsg+0x7b2/0xa10 [10140.747327][ T10] ___sys_sendmsg+0xee/0x170 [10140.747327][ T10] __sys_sendmsg+0xcd/0x170 [10140.747327][ T10] do_syscall_64+0xc6/0x1e0 [10140.747327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10140.747327][ T10] [10140.749254][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10140.749501][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10140.749501][ T10] netdev_get_by_index+0x5e/0x80 [10140.749501][ T10] fib6_nh_init+0x3d8/0x1580 [10140.749501][ T10] ip6_route_info_create+0xf18/0x17d0 [10140.749501][ T10] addrconf_f6i_alloc+0x265/0x560 [10140.749501][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10140.749501][ T10] addrconf_join_anycast+0x1c0/0x220 [10140.749501][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10140.749501][ T10] addrconf_dad_completed+0x12b/0xe20 [10140.749501][ T10] addrconf_dad_begin+0x310/0x670 [10140.749501][ T10] addrconf_dad_work+0x10b/0xab0 [10140.749501][ T10] process_one_work+0x84d/0x18a0 [10140.749501][ T10] worker_thread+0x587/0xd30 [10140.749501][ T10] kthread+0x28a/0x350 [10140.749501][ T10] ret_from_fork+0x31/0x70 [10140.749501][ T10] ret_from_fork_asm+0x1a/0x30 [10140.749501][ T10] [10140.751729][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10140.751729][ T10] netdev_get_by_index+0x5e/0x80 [10140.751729][ T10] fib6_nh_init+0x3d8/0x1580 [10140.751729][ T10] ip6_route_info_create+0xf18/0x17d0 [10140.751729][ T10] ip6_route_add+0x1c/0x140 [10140.751729][ T10] addrconf_prefix_route+0x2a6/0x430 [10140.751729][ T10] inet6_addr_add+0x4f8/0xa40 [10140.751729][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10140.751729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10140.751729][ T10] netlink_rcv_skb+0x130/0x360 [10140.751729][ T10] netlink_unicast+0x449/0x710 [10140.751729][ T10] netlink_sendmsg+0x723/0xbe0 [10140.751729][ T10] ____sys_sendmsg+0x7b2/0xa10 [10140.751729][ T10] ___sys_sendmsg+0xee/0x170 [10140.751729][ T10] __sys_sendmsg+0xcd/0x170 [10140.751729][ T10] do_syscall_64+0xc6/0x1e0 [10140.751729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10140.751729][ T10] [10140.754007][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10140.754007][ T10] netdev_get_by_index+0x5e/0x80 [10140.754007][ T10] fib6_nh_init+0x3d8/0x1580 [10140.754007][ T10] ip6_route_info_create+0xf18/0x17d0 [10140.754007][ T10] addrconf_f6i_alloc+0x315/0x560 [10140.754007][ T10] ipv6_add_addr+0x411/0x2000 [10140.754007][ T10] inet6_addr_add+0x30e/0xa40 [10140.754007][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10140.754007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10140.754007][ T10] netlink_rcv_skb+0x130/0x360 [10140.754007][ T10] netlink_unicast+0x449/0x710 [10140.754007][ T10] netlink_sendmsg+0x723/0xbe0 [10140.754007][ T10] ____sys_sendmsg+0x7b2/0xa10 [10140.754007][ T10] ___sys_sendmsg+0xee/0x170 [10140.754007][ T10] __sys_sendmsg+0xcd/0x170 [10140.754007][ T10] do_syscall_64+0xc6/0x1e0 [10140.754007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10140.754007][ T10] [10140.756263][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10140.756263][ T10] netdev_get_by_index+0x5e/0x80 [10140.756263][ T10] fib6_nh_init+0x3d8/0x1580 [10140.756263][ T10] ip6_route_info_create+0xf18/0x17d0 [10140.756263][ T10] ip6_route_add+0x1c/0x140 [10140.756263][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10140.756263][ T10] addrconf_add_dev+0xe2/0x170 [10140.756263][ T10] inet6_addr_add+0x12f/0xa40 [10140.756263][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10140.756263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10140.756263][ T10] netlink_rcv_skb+0x130/0x360 [10140.756263][ T10] netlink_unicast+0x449/0x710 [10140.756263][ T10] netlink_sendmsg+0x723/0xbe0 [10140.756263][ T10] ____sys_sendmsg+0x7b2/0xa10 [10140.756263][ T10] ___sys_sendmsg+0xee/0x170 [10140.756263][ T10] __sys_sendmsg+0xcd/0x170 [10140.756263][ T10] do_syscall_64+0xc6/0x1e0 [10140.756263][ T10] [10140.758476][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10140.758476][ T10] ipv6_add_dev+0x3ba/0x11c0 [10140.758476][ T10] ipv6_find_idev+0x102/0x170 [10140.758476][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10140.758476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10140.758476][ T10] netlink_rcv_skb+0x130/0x360 [10140.758476][ T10] netlink_unicast+0x449/0x710 [10140.758476][ T10] netlink_sendmsg+0x723/0xbe0 [10140.758476][ T10] ____sys_sendmsg+0x7b2/0xa10 [10140.758476][ T10] ___sys_sendmsg+0xee/0x170 [10140.758476][ T10] __sys_sendmsg+0xcd/0x170 [10140.758476][ T10] do_syscall_64+0xc6/0x1e0 [10140.758476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10140.758476][ T10] [10140.760211][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10140.760211][ T10] neigh_parms_alloc+0x1e5/0x510 [10140.760211][ T10] ipv6_add_dev+0x2fe/0x11c0 [10140.760211][ T10] ipv6_find_idev+0x102/0x170 [10140.760211][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10140.760211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10140.760211][ T10] netlink_rcv_skb+0x130/0x360 [10140.760211][ T10] netlink_unicast+0x449/0x710 [10140.760211][ T10] netlink_sendmsg+0x723/0xbe0 [10140.760211][ T10] ____sys_sendmsg+0x7b2/0xa10 [10140.760211][ T10] ___sys_sendmsg+0xee/0x170 [10140.760211][ T10] __sys_sendmsg+0xcd/0x170 [10140.760211][ T10] do_syscall_64+0xc6/0x1e0 [10140.760211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10140.760211][ T10] [10142.505080][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10142.505504][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10142.505504][ T1167] dst_init+0x84/0x4a0 [10142.505504][ T1167] dst_alloc+0x97/0x150 [10142.505504][ T1167] ip6_dst_alloc+0x23/0x90 [10142.505504][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10142.505504][ T1167] ip6_pol_route+0x56f/0x840 [10142.505504][ T1167] fib6_rule_lookup+0x334/0x630 [10142.505504][ T1167] ip6_route_output_flags+0x259/0x480 [10142.505504][ T1167] inet6_rtm_getroute+0x980/0xf70 [10142.505504][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10142.505504][ T1167] netlink_rcv_skb+0x130/0x360 [10142.505504][ T1167] netlink_unicast+0x449/0x710 [10142.505504][ T1167] netlink_sendmsg+0x723/0xbe0 [10142.505504][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10142.505504][ T1167] ___sys_sendmsg+0xee/0x170 [10142.505504][ T1167] __sys_sendmsg+0xcd/0x170 [10142.505504][ T1167] do_syscall_64+0xc6/0x1e0 [10142.505504][ T1167] [10142.507698][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10142.507698][ T1167] netdev_get_by_index+0x5e/0x80 [10142.507698][ T1167] fib6_nh_init+0x3d8/0x1580 [10142.507698][ T1167] ip6_route_info_create+0xf18/0x17d0 [10142.507698][ T1167] addrconf_f6i_alloc+0x265/0x560 [10142.507698][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10142.507698][ T1167] addrconf_join_anycast+0x1c0/0x220 [10142.507698][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10142.507698][ T1167] addrconf_dad_completed+0x12b/0xe20 [10142.507698][ T1167] addrconf_dad_begin+0x310/0x670 [10142.507698][ T1167] addrconf_dad_work+0x10b/0xab0 [10142.507698][ T1167] process_one_work+0x84d/0x18a0 [10142.507698][ T1167] worker_thread+0x587/0xd30 [10142.507698][ T1167] kthread+0x28a/0x350 [10142.507698][ T1167] ret_from_fork+0x31/0x70 [10142.507698][ T1167] ret_from_fork_asm+0x1a/0x30 [10142.507698][ T1167] [10142.509831][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10142.509831][ T1167] netdev_get_by_index+0x5e/0x80 [10142.509831][ T1167] fib6_nh_init+0x3d8/0x1580 [10142.509831][ T1167] ip6_route_info_create+0xf18/0x17d0 [10142.509831][ T1167] ip6_route_add+0x1c/0x140 [10142.509831][ T1167] addrconf_prefix_route+0x2a6/0x430 [10142.509831][ T1167] inet6_addr_add+0x4f8/0xa40 [10142.509831][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10142.509831][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10142.509831][ T1167] netlink_rcv_skb+0x130/0x360 [10142.509831][ T1167] netlink_unicast+0x449/0x710 [10142.509831][ T1167] netlink_sendmsg+0x723/0xbe0 [10142.509831][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10142.509831][ T1167] ___sys_sendmsg+0xee/0x170 [10142.509831][ T1167] __sys_sendmsg+0xcd/0x170 [10142.509831][ T1167] do_syscall_64+0xc6/0x1e0 [10142.509831][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10142.509831][ T1167] [10142.512100][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10142.512100][ T1167] netdev_get_by_index+0x5e/0x80 [10142.512100][ T1167] fib6_nh_init+0x3d8/0x1580 [10142.512100][ T1167] ip6_route_info_create+0xf18/0x17d0 [10142.512100][ T1167] addrconf_f6i_alloc+0x315/0x560 [10142.512100][ T1167] ipv6_add_addr+0x411/0x2000 [10142.512100][ T1167] inet6_addr_add+0x30e/0xa40 [10142.512100][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10142.512100][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10142.512100][ T1167] netlink_rcv_skb+0x130/0x360 [10142.512100][ T1167] netlink_unicast+0x449/0x710 [10142.512100][ T1167] netlink_sendmsg+0x723/0xbe0 [10142.512100][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10142.512100][ T1167] ___sys_sendmsg+0xee/0x170 [10142.512100][ T1167] __sys_sendmsg+0xcd/0x170 [10142.512100][ T1167] do_syscall_64+0xc6/0x1e0 [10142.512100][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10142.512100][ T1167] [10142.514332][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10142.514332][ T1167] netdev_get_by_index+0x5e/0x80 [10142.514332][ T1167] fib6_nh_init+0x3d8/0x1580 [10142.514332][ T1167] ip6_route_info_create+0xf18/0x17d0 [10142.514332][ T1167] ip6_route_add+0x1c/0x140 [10142.514332][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10142.514332][ T1167] addrconf_add_dev+0xe2/0x170 [10142.514332][ T1167] inet6_addr_add+0x12f/0xa40 [10142.514332][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10142.514332][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10142.514332][ T1167] netlink_rcv_skb+0x130/0x360 [10142.514332][ T1167] netlink_unicast+0x449/0x710 [10142.514332][ T1167] netlink_sendmsg+0x723/0xbe0 [10142.514332][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10142.514332][ T1167] ___sys_sendmsg+0xee/0x170 [10142.514332][ T1167] __sys_sendmsg+0xcd/0x170 [10142.514332][ T1167] do_syscall_64+0xc6/0x1e0 [10142.514332][ T1167] [10142.516525][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10142.516525][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10142.516525][ T1167] ipv6_find_idev+0x102/0x170 [10142.516525][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10142.516525][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10142.516525][ T1167] netlink_rcv_skb+0x130/0x360 [10142.516525][ T1167] netlink_unicast+0x449/0x710 [10142.516525][ T1167] netlink_sendmsg+0x723/0xbe0 [10142.516525][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10142.516525][ T1167] ___sys_sendmsg+0xee/0x170 [10142.516525][ T1167] __sys_sendmsg+0xcd/0x170 [10142.516525][ T1167] do_syscall_64+0xc6/0x1e0 [10142.516525][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10142.516525][ T1167] [10142.518243][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10142.518243][ T1167] neigh_parms_alloc+0x1e5/0x510 [10142.518243][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10142.518243][ T1167] ipv6_find_idev+0x102/0x170 [10142.518243][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10142.518243][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10142.518243][ T1167] netlink_rcv_skb+0x130/0x360 [10142.518243][ T1167] netlink_unicast+0x449/0x710 [10142.518243][ T1167] netlink_sendmsg+0x723/0xbe0 [10142.518243][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10142.518243][ T1167] ___sys_sendmsg+0xee/0x170 [10142.518243][ T1167] __sys_sendmsg+0xcd/0x170 [10142.518243][ T1167] do_syscall_64+0xc6/0x1e0 [10142.518243][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10142.518243][ T1167] [10151.001091][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10151.001491][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10151.001491][ T10] netdev_get_by_index+0x5e/0x80 [10151.001491][ T10] fib6_nh_init+0x3d8/0x1580 [10151.001491][ T10] ip6_route_info_create+0xf18/0x17d0 [10151.001491][ T10] addrconf_f6i_alloc+0x265/0x560 [10151.001491][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10151.001491][ T10] addrconf_join_anycast+0x1c0/0x220 [10151.001491][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10151.001491][ T10] addrconf_dad_completed+0x12b/0xe20 [10151.001491][ T10] addrconf_dad_begin+0x310/0x670 [10151.001491][ T10] addrconf_dad_work+0x10b/0xab0 [10151.001491][ T10] process_one_work+0x84d/0x18a0 [10151.001491][ T10] worker_thread+0x587/0xd30 [10151.001491][ T10] kthread+0x28a/0x350 [10151.001491][ T10] ret_from_fork+0x31/0x70 [10151.001491][ T10] ret_from_fork_asm+0x1a/0x30 [10151.001491][ T10] [10151.003473][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10151.003473][ T10] netdev_get_by_index+0x5e/0x80 [10151.003473][ T10] fib6_nh_init+0x3d8/0x1580 [10151.003473][ T10] ip6_route_info_create+0xf18/0x17d0 [10151.003473][ T10] ip6_route_add+0x1c/0x140 [10151.003473][ T10] addrconf_prefix_route+0x2a6/0x430 [10151.003473][ T10] inet6_addr_add+0x4f8/0xa40 [10151.003473][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10151.003473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10151.003473][ T10] netlink_rcv_skb+0x130/0x360 [10151.003473][ T10] netlink_unicast+0x449/0x710 [10151.003473][ T10] netlink_sendmsg+0x723/0xbe0 [10151.003473][ T10] ____sys_sendmsg+0x7b2/0xa10 [10151.003473][ T10] ___sys_sendmsg+0xee/0x170 [10151.003473][ T10] __sys_sendmsg+0xcd/0x170 [10151.003473][ T10] do_syscall_64+0xc6/0x1e0 [10151.003473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10151.003473][ T10] [10151.005520][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10151.005520][ T10] netdev_get_by_index+0x5e/0x80 [10151.005520][ T10] fib6_nh_init+0x3d8/0x1580 [10151.005520][ T10] ip6_route_info_create+0xf18/0x17d0 [10151.005520][ T10] addrconf_f6i_alloc+0x315/0x560 [10151.005520][ T10] ipv6_add_addr+0x411/0x2000 [10151.005520][ T10] inet6_addr_add+0x30e/0xa40 [10151.005520][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10151.005520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10151.005520][ T10] netlink_rcv_skb+0x130/0x360 [10151.005520][ T10] netlink_unicast+0x449/0x710 [10151.005520][ T10] netlink_sendmsg+0x723/0xbe0 [10151.005520][ T10] ____sys_sendmsg+0x7b2/0xa10 [10151.005520][ T10] ___sys_sendmsg+0xee/0x170 [10151.005520][ T10] __sys_sendmsg+0xcd/0x170 [10151.005520][ T10] do_syscall_64+0xc6/0x1e0 [10151.005520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10151.005520][ T10] [10151.007658][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10151.007658][ T10] netdev_get_by_index+0x5e/0x80 [10151.007658][ T10] fib6_nh_init+0x3d8/0x1580 [10151.007658][ T10] ip6_route_info_create+0xf18/0x17d0 [10151.007658][ T10] ip6_route_add+0x1c/0x140 [10151.007658][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10151.007658][ T10] addrconf_add_dev+0xe2/0x170 [10151.007658][ T10] inet6_addr_add+0x12f/0xa40 [10151.007658][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10151.007658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10151.007658][ T10] netlink_rcv_skb+0x130/0x360 [10151.007658][ T10] netlink_unicast+0x449/0x710 [10151.007658][ T10] netlink_sendmsg+0x723/0xbe0 [10151.007658][ T10] ____sys_sendmsg+0x7b2/0xa10 [10151.007658][ T10] ___sys_sendmsg+0xee/0x170 [10151.007658][ T10] __sys_sendmsg+0xcd/0x170 [10151.007658][ T10] do_syscall_64+0xc6/0x1e0 [10151.007658][ T10] [10151.009677][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10151.009677][ T10] ipv6_add_dev+0x3ba/0x11c0 [10151.009677][ T10] ipv6_find_idev+0x102/0x170 [10151.009677][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10151.009677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10151.009677][ T10] netlink_rcv_skb+0x130/0x360 [10151.009677][ T10] netlink_unicast+0x449/0x710 [10151.009677][ T10] netlink_sendmsg+0x723/0xbe0 [10151.009677][ T10] ____sys_sendmsg+0x7b2/0xa10 [10151.009677][ T10] ___sys_sendmsg+0xee/0x170 [10151.009677][ T10] __sys_sendmsg+0xcd/0x170 [10151.009677][ T10] do_syscall_64+0xc6/0x1e0 [10151.009677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10151.009677][ T10] [10151.011314][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10151.011314][ T10] neigh_parms_alloc+0x1e5/0x510 [10151.011314][ T10] ipv6_add_dev+0x2fe/0x11c0 [10151.011314][ T10] ipv6_find_idev+0x102/0x170 [10151.011314][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10151.011314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10151.011314][ T10] netlink_rcv_skb+0x130/0x360 [10151.011314][ T10] netlink_unicast+0x449/0x710 [10151.011314][ T10] netlink_sendmsg+0x723/0xbe0 [10151.011314][ T10] ____sys_sendmsg+0x7b2/0xa10 [10151.011314][ T10] ___sys_sendmsg+0xee/0x170 [10151.011314][ T10] __sys_sendmsg+0xcd/0x170 [10151.011314][ T10] do_syscall_64+0xc6/0x1e0 [10151.011314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10151.011314][ T10] [10151.013082][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10151.013335][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10151.013335][ T10] netdev_get_by_index+0x5e/0x80 [10151.013335][ T10] fib6_nh_init+0x3d8/0x1580 [10151.013335][ T10] ip6_route_info_create+0xf18/0x17d0 [10151.013335][ T10] addrconf_f6i_alloc+0x265/0x560 [10151.013335][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10151.013335][ T10] addrconf_join_anycast+0x1c0/0x220 [10151.013335][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10151.013335][ T10] addrconf_dad_completed+0x12b/0xe20 [10151.013335][ T10] addrconf_dad_begin+0x310/0x670 [10151.013335][ T10] addrconf_dad_work+0x10b/0xab0 [10151.013335][ T10] process_one_work+0x84d/0x18a0 [10151.013335][ T10] worker_thread+0x587/0xd30 [10151.013335][ T10] kthread+0x28a/0x350 [10151.013335][ T10] ret_from_fork+0x31/0x70 [10151.013335][ T10] ret_from_fork_asm+0x1a/0x30 [10151.013335][ T10] [10151.015308][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10151.015308][ T10] netdev_get_by_index+0x5e/0x80 [10151.015308][ T10] fib6_nh_init+0x3d8/0x1580 [10151.015308][ T10] ip6_route_info_create+0xf18/0x17d0 [10151.015308][ T10] ip6_route_add+0x1c/0x140 [10151.015308][ T10] addrconf_prefix_route+0x2a6/0x430 [10151.015308][ T10] inet6_addr_add+0x4f8/0xa40 [10151.015308][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10151.015308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10151.015308][ T10] netlink_rcv_skb+0x130/0x360 [10151.015308][ T10] netlink_unicast+0x449/0x710 [10151.015308][ T10] netlink_sendmsg+0x723/0xbe0 [10151.015308][ T10] ____sys_sendmsg+0x7b2/0xa10 [10151.015308][ T10] ___sys_sendmsg+0xee/0x170 [10151.015308][ T10] __sys_sendmsg+0xcd/0x170 [10151.015308][ T10] do_syscall_64+0xc6/0x1e0 [10151.015308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10151.015308][ T10] [10151.017346][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10151.017346][ T10] netdev_get_by_index+0x5e/0x80 [10151.017346][ T10] fib6_nh_init+0x3d8/0x1580 [10151.017346][ T10] ip6_route_info_create+0xf18/0x17d0 [10151.017346][ T10] addrconf_f6i_alloc+0x315/0x560 [10151.017346][ T10] ipv6_add_addr+0x411/0x2000 [10151.017346][ T10] inet6_addr_add+0x30e/0xa40 [10151.017346][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10151.017346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10151.017346][ T10] netlink_rcv_skb+0x130/0x360 [10151.017346][ T10] netlink_unicast+0x449/0x710 [10151.017346][ T10] netlink_sendmsg+0x723/0xbe0 [10151.017346][ T10] ____sys_sendmsg+0x7b2/0xa10 [10151.017346][ T10] ___sys_sendmsg+0xee/0x170 [10151.017346][ T10] __sys_sendmsg+0xcd/0x170 [10151.017346][ T10] do_syscall_64+0xc6/0x1e0 [10151.017346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10151.017346][ T10] [10151.019395][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10151.019395][ T10] netdev_get_by_index+0x5e/0x80 [10151.019395][ T10] fib6_nh_init+0x3d8/0x1580 [10151.019395][ T10] ip6_route_info_create+0xf18/0x17d0 [10151.019395][ T10] ip6_route_add+0x1c/0x140 [10151.019395][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10151.019395][ T10] addrconf_add_dev+0xe2/0x170 [10151.019395][ T10] inet6_addr_add+0x12f/0xa40 [10151.019395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10151.019395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10151.019395][ T10] netlink_rcv_skb+0x130/0x360 [10151.019395][ T10] netlink_unicast+0x449/0x710 [10151.019395][ T10] netlink_sendmsg+0x723/0xbe0 [10151.019395][ T10] ____sys_sendmsg+0x7b2/0xa10 [10151.019395][ T10] ___sys_sendmsg+0xee/0x170 [10151.019395][ T10] __sys_sendmsg+0xcd/0x170 [10151.019395][ T10] do_syscall_64+0xc6/0x1e0 [10151.019395][ T10] [10151.021407][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10151.021407][ T10] ipv6_add_dev+0x3ba/0x11c0 [10151.021407][ T10] ipv6_find_idev+0x102/0x170 [10151.021407][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10151.021407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10151.021407][ T10] netlink_rcv_skb+0x130/0x360 [10151.021407][ T10] netlink_unicast+0x449/0x710 [10151.021407][ T10] netlink_sendmsg+0x723/0xbe0 [10151.021407][ T10] ____sys_sendmsg+0x7b2/0xa10 [10151.021407][ T10] ___sys_sendmsg+0xee/0x170 [10151.021407][ T10] __sys_sendmsg+0xcd/0x170 [10151.021407][ T10] do_syscall_64+0xc6/0x1e0 [10151.021407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10151.021407][ T10] [10151.022976][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10151.022976][ T10] neigh_parms_alloc+0x1e5/0x510 [10151.022976][ T10] ipv6_add_dev+0x2fe/0x11c0 [10151.022976][ T10] ipv6_find_idev+0x102/0x170 [10151.022976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10151.022976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10151.022976][ T10] netlink_rcv_skb+0x130/0x360 [10151.022976][ T10] netlink_unicast+0x449/0x710 [10151.022976][ T10] netlink_sendmsg+0x723/0xbe0 [10151.022976][ T10] ____sys_sendmsg+0x7b2/0xa10 [10151.022976][ T10] ___sys_sendmsg+0xee/0x170 [10151.022976][ T10] __sys_sendmsg+0xcd/0x170 [10151.022976][ T10] do_syscall_64+0xc6/0x1e0 [10151.022976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10151.022976][ T10] [10151.024715][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10151.024966][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10151.024966][ T10] netdev_get_by_index+0x5e/0x80 [10151.024966][ T10] fib6_nh_init+0x3d8/0x1580 [10151.024966][ T10] ip6_route_info_create+0xf18/0x17d0 [10151.024966][ T10] addrconf_f6i_alloc+0x265/0x560 [10151.024966][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10151.024966][ T10] addrconf_join_anycast+0x1c0/0x220 [10151.024966][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10151.024966][ T10] addrconf_dad_completed+0x12b/0xe20 [10151.024966][ T10] addrconf_dad_begin+0x310/0x670 [10151.024966][ T10] addrconf_dad_work+0x10b/0xab0 [10151.024966][ T10] process_one_work+0x84d/0x18a0 [10151.024966][ T10] worker_thread+0x587/0xd30 [10151.024966][ T10] kthread+0x28a/0x350 [10151.024966][ T10] ret_from_fork+0x31/0x70 [10151.024966][ T10] ret_from_fork_asm+0x1a/0x30 [10151.024966][ T10] [10151.026919][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10151.026919][ T10] netdev_get_by_index+0x5e/0x80 [10151.026919][ T10] fib6_nh_init+0x3d8/0x1580 [10151.026919][ T10] ip6_route_info_create+0xf18/0x17d0 [10151.026919][ T10] ip6_route_add+0x1c/0x140 [10151.026919][ T10] addrconf_prefix_route+0x2a6/0x430 [10151.026919][ T10] inet6_addr_add+0x4f8/0xa40 [10151.026919][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10151.026919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10151.026919][ T10] netlink_rcv_skb+0x130/0x360 [10151.026919][ T10] netlink_unicast+0x449/0x710 [10151.026919][ T10] netlink_sendmsg+0x723/0xbe0 [10151.026919][ T10] ____sys_sendmsg+0x7b2/0xa10 [10151.026919][ T10] ___sys_sendmsg+0xee/0x170 [10151.026919][ T10] __sys_sendmsg+0xcd/0x170 [10151.026919][ T10] do_syscall_64+0xc6/0x1e0 [10151.026919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10151.026919][ T10] [10151.029141][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10151.029141][ T10] netdev_get_by_index+0x5e/0x80 [10151.029141][ T10] fib6_nh_init+0x3d8/0x1580 [10151.029141][ T10] ip6_route_info_create+0xf18/0x17d0 [10151.029141][ T10] addrconf_f6i_alloc+0x315/0x560 [10151.029141][ T10] ipv6_add_addr+0x411/0x2000 [10151.029141][ T10] inet6_addr_add+0x30e/0xa40 [10151.029141][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10151.029141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10151.029141][ T10] netlink_rcv_skb+0x130/0x360 [10151.029141][ T10] netlink_unicast+0x449/0x710 [10151.029141][ T10] netlink_sendmsg+0x723/0xbe0 [10151.029141][ T10] ____sys_sendmsg+0x7b2/0xa10 [10151.029141][ T10] ___sys_sendmsg+0xee/0x170 [10151.029141][ T10] __sys_sendmsg+0xcd/0x170 [10151.029141][ T10] do_syscall_64+0xc6/0x1e0 [10151.029141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10151.029141][ T10] [10151.031530][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10151.031530][ T10] netdev_get_by_index+0x5e/0x80 [10151.031530][ T10] fib6_nh_init+0x3d8/0x1580 [10151.031530][ T10] ip6_route_info_create+0xf18/0x17d0 [10151.031530][ T10] ip6_route_add+0x1c/0x140 [10151.031530][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10151.031530][ T10] addrconf_add_dev+0xe2/0x170 [10151.031530][ T10] inet6_addr_add+0x12f/0xa40 [10151.031530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10151.031530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10151.031530][ T10] netlink_rcv_skb+0x130/0x360 [10151.031530][ T10] netlink_unicast+0x449/0x710 [10151.031530][ T10] netlink_sendmsg+0x723/0xbe0 [10151.031530][ T10] ____sys_sendmsg+0x7b2/0xa10 [10151.031530][ T10] ___sys_sendmsg+0xee/0x170 [10151.031530][ T10] __sys_sendmsg+0xcd/0x170 [10151.031530][ T10] do_syscall_64+0xc6/0x1e0 [10151.031530][ T10] [10151.033808][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10151.033808][ T10] ipv6_add_dev+0x3ba/0x11c0 [10151.033808][ T10] ipv6_find_idev+0x102/0x170 [10151.033808][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10151.033808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10151.033808][ T10] netlink_rcv_skb+0x130/0x360 [10151.033808][ T10] netlink_unicast+0x449/0x710 [10151.033808][ T10] netlink_sendmsg+0x723/0xbe0 [10151.033808][ T10] ____sys_sendmsg+0x7b2/0xa10 [10151.033808][ T10] ___sys_sendmsg+0xee/0x170 [10151.033808][ T10] __sys_sendmsg+0xcd/0x170 [10151.033808][ T10] do_syscall_64+0xc6/0x1e0 [10151.033808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10151.033808][ T10] [10151.035647][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10151.035647][ T10] neigh_parms_alloc+0x1e5/0x510 [10151.035647][ T10] ipv6_add_dev+0x2fe/0x11c0 [10151.035647][ T10] ipv6_find_idev+0x102/0x170 [10151.035647][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10151.035647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10151.035647][ T10] netlink_rcv_skb+0x130/0x360 [10151.035647][ T10] netlink_unicast+0x449/0x710 [10151.035647][ T10] netlink_sendmsg+0x723/0xbe0 [10151.035647][ T10] ____sys_sendmsg+0x7b2/0xa10 [10151.035647][ T10] ___sys_sendmsg+0xee/0x170 [10151.035647][ T10] __sys_sendmsg+0xcd/0x170 [10151.035647][ T10] do_syscall_64+0xc6/0x1e0 [10151.035647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10151.035647][ T10] [10151.037736][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10151.037994][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10151.037994][ T10] netdev_get_by_index+0x5e/0x80 [10151.037994][ T10] fib6_nh_init+0x3d8/0x1580 [10151.037994][ T10] ip6_route_info_create+0xf18/0x17d0 [10151.037994][ T10] addrconf_f6i_alloc+0x265/0x560 [10151.037994][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10151.037994][ T10] addrconf_join_anycast+0x1c0/0x220 [10151.037994][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10151.037994][ T10] addrconf_dad_completed+0x12b/0xe20 [10151.037994][ T10] addrconf_dad_begin+0x310/0x670 [10151.037994][ T10] addrconf_dad_work+0x10b/0xab0 [10151.037994][ T10] process_one_work+0x84d/0x18a0 [10151.037994][ T10] worker_thread+0x587/0xd30 [10151.037994][ T10] kthread+0x28a/0x350 [10151.037994][ T10] ret_from_fork+0x31/0x70 [10151.037994][ T10] ret_from_fork_asm+0x1a/0x30 [10151.037994][ T10] [10151.040266][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10151.040266][ T10] netdev_get_by_index+0x5e/0x80 [10151.040266][ T10] fib6_nh_init+0x3d8/0x1580 [10151.040266][ T10] ip6_route_info_create+0xf18/0x17d0 [10151.040266][ T10] ip6_route_add+0x1c/0x140 [10151.040266][ T10] addrconf_prefix_route+0x2a6/0x430 [10151.040266][ T10] inet6_addr_add+0x4f8/0xa40 [10151.040266][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10151.040266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10151.040266][ T10] netlink_rcv_skb+0x130/0x360 [10151.040266][ T10] netlink_unicast+0x449/0x710 [10151.040266][ T10] netlink_sendmsg+0x723/0xbe0 [10151.040266][ T10] ____sys_sendmsg+0x7b2/0xa10 [10151.040266][ T10] ___sys_sendmsg+0xee/0x170 [10151.040266][ T10] __sys_sendmsg+0xcd/0x170 [10151.040266][ T10] do_syscall_64+0xc6/0x1e0 [10151.040266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10151.040266][ T10] [10151.042586][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10151.042586][ T10] netdev_get_by_index+0x5e/0x80 [10151.042586][ T10] fib6_nh_init+0x3d8/0x1580 [10151.042586][ T10] ip6_route_info_create+0xf18/0x17d0 [10151.042586][ T10] addrconf_f6i_alloc+0x315/0x560 [10151.042586][ T10] ipv6_add_addr+0x411/0x2000 [10151.042586][ T10] inet6_addr_add+0x30e/0xa40 [10151.042586][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10151.042586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10151.042586][ T10] netlink_rcv_skb+0x130/0x360 [10151.042586][ T10] netlink_unicast+0x449/0x710 [10151.042586][ T10] netlink_sendmsg+0x723/0xbe0 [10151.042586][ T10] ____sys_sendmsg+0x7b2/0xa10 [10151.042586][ T10] ___sys_sendmsg+0xee/0x170 [10151.042586][ T10] __sys_sendmsg+0xcd/0x170 [10151.042586][ T10] do_syscall_64+0xc6/0x1e0 [10151.042586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10151.042586][ T10] [10151.044943][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10151.044943][ T10] netdev_get_by_index+0x5e/0x80 [10151.044943][ T10] fib6_nh_init+0x3d8/0x1580 [10151.044943][ T10] ip6_route_info_create+0xf18/0x17d0 [10151.044943][ T10] ip6_route_add+0x1c/0x140 [10151.044943][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10151.044943][ T10] addrconf_add_dev+0xe2/0x170 [10151.044943][ T10] inet6_addr_add+0x12f/0xa40 [10151.044943][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10151.044943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10151.044943][ T10] netlink_rcv_skb+0x130/0x360 [10151.044943][ T10] netlink_unicast+0x449/0x710 [10151.044943][ T10] netlink_sendmsg+0x723/0xbe0 [10151.044943][ T10] ____sys_sendmsg+0x7b2/0xa10 [10151.044943][ T10] ___sys_sendmsg+0xee/0x170 [10151.044943][ T10] __sys_sendmsg+0xcd/0x170 [10151.044943][ T10] do_syscall_64+0xc6/0x1e0 [10151.044943][ T10] [10151.047202][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10151.047202][ T10] ipv6_add_dev+0x3ba/0x11c0 [10151.047202][ T10] ipv6_find_idev+0x102/0x170 [10151.047202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10151.047202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10151.047202][ T10] netlink_rcv_skb+0x130/0x360 [10151.047202][ T10] netlink_unicast+0x449/0x710 [10151.047202][ T10] netlink_sendmsg+0x723/0xbe0 [10151.047202][ T10] ____sys_sendmsg+0x7b2/0xa10 [10151.047202][ T10] ___sys_sendmsg+0xee/0x170 [10151.047202][ T10] __sys_sendmsg+0xcd/0x170 [10151.047202][ T10] do_syscall_64+0xc6/0x1e0 [10151.047202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10151.047202][ T10] [10151.048959][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10151.048959][ T10] neigh_parms_alloc+0x1e5/0x510 [10151.048959][ T10] ipv6_add_dev+0x2fe/0x11c0 [10151.048959][ T10] ipv6_find_idev+0x102/0x170 [10151.048959][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10151.048959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10151.048959][ T10] netlink_rcv_skb+0x130/0x360 [10151.048959][ T10] netlink_unicast+0x449/0x710 [10151.048959][ T10] netlink_sendmsg+0x723/0xbe0 [10151.048959][ T10] ____sys_sendmsg+0x7b2/0xa10 [10151.048959][ T10] ___sys_sendmsg+0xee/0x170 [10151.048959][ T10] __sys_sendmsg+0xcd/0x170 [10151.048959][ T10] do_syscall_64+0xc6/0x1e0 [10151.048959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10151.048959][ T10] [10152.537156][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10152.537651][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10152.537651][ T1167] dst_init+0x84/0x4a0 [10152.537651][ T1167] dst_alloc+0x97/0x150 [10152.537651][ T1167] ip6_dst_alloc+0x23/0x90 [10152.537651][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10152.537651][ T1167] ip6_pol_route+0x56f/0x840 [10152.537651][ T1167] fib6_rule_lookup+0x334/0x630 [10152.537651][ T1167] ip6_route_output_flags+0x259/0x480 [10152.537651][ T1167] inet6_rtm_getroute+0x980/0xf70 [10152.537651][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10152.537651][ T1167] netlink_rcv_skb+0x130/0x360 [10152.537651][ T1167] netlink_unicast+0x449/0x710 [10152.537651][ T1167] netlink_sendmsg+0x723/0xbe0 [10152.537651][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10152.537651][ T1167] ___sys_sendmsg+0xee/0x170 [10152.537651][ T1167] __sys_sendmsg+0xcd/0x170 [10152.537651][ T1167] do_syscall_64+0xc6/0x1e0 [10152.537651][ T1167] [10152.539834][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10152.539834][ T1167] netdev_get_by_index+0x5e/0x80 [10152.539834][ T1167] fib6_nh_init+0x3d8/0x1580 [10152.539834][ T1167] ip6_route_info_create+0xf18/0x17d0 [10152.539834][ T1167] addrconf_f6i_alloc+0x265/0x560 [10152.539834][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10152.539834][ T1167] addrconf_join_anycast+0x1c0/0x220 [10152.539834][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10152.539834][ T1167] addrconf_dad_completed+0x12b/0xe20 [10152.539834][ T1167] addrconf_dad_begin+0x310/0x670 [10152.539834][ T1167] addrconf_dad_work+0x10b/0xab0 [10152.539834][ T1167] process_one_work+0x84d/0x18a0 [10152.539834][ T1167] worker_thread+0x587/0xd30 [10152.539834][ T1167] kthread+0x28a/0x350 [10152.539834][ T1167] ret_from_fork+0x31/0x70 [10152.539834][ T1167] ret_from_fork_asm+0x1a/0x30 [10152.539834][ T1167] [10152.541998][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10152.541998][ T1167] netdev_get_by_index+0x5e/0x80 [10152.541998][ T1167] fib6_nh_init+0x3d8/0x1580 [10152.541998][ T1167] ip6_route_info_create+0xf18/0x17d0 [10152.541998][ T1167] ip6_route_add+0x1c/0x140 [10152.541998][ T1167] addrconf_prefix_route+0x2a6/0x430 [10152.541998][ T1167] inet6_addr_add+0x4f8/0xa40 [10152.541998][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10152.541998][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10152.541998][ T1167] netlink_rcv_skb+0x130/0x360 [10152.541998][ T1167] netlink_unicast+0x449/0x710 [10152.541998][ T1167] netlink_sendmsg+0x723/0xbe0 [10152.541998][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10152.541998][ T1167] ___sys_sendmsg+0xee/0x170 [10152.541998][ T1167] __sys_sendmsg+0xcd/0x170 [10152.541998][ T1167] do_syscall_64+0xc6/0x1e0 [10152.541998][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10152.541998][ T1167] [10152.544286][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10152.544286][ T1167] netdev_get_by_index+0x5e/0x80 [10152.544286][ T1167] fib6_nh_init+0x3d8/0x1580 [10152.544286][ T1167] ip6_route_info_create+0xf18/0x17d0 [10152.544286][ T1167] addrconf_f6i_alloc+0x315/0x560 [10152.544286][ T1167] ipv6_add_addr+0x411/0x2000 [10152.544286][ T1167] inet6_addr_add+0x30e/0xa40 [10152.544286][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10152.544286][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10152.544286][ T1167] netlink_rcv_skb+0x130/0x360 [10152.544286][ T1167] netlink_unicast+0x449/0x710 [10152.544286][ T1167] netlink_sendmsg+0x723/0xbe0 [10152.544286][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10152.544286][ T1167] ___sys_sendmsg+0xee/0x170 [10152.544286][ T1167] __sys_sendmsg+0xcd/0x170 [10152.544286][ T1167] do_syscall_64+0xc6/0x1e0 [10152.544286][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10152.544286][ T1167] [10152.546546][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10152.546546][ T1167] netdev_get_by_index+0x5e/0x80 [10152.546546][ T1167] fib6_nh_init+0x3d8/0x1580 [10152.546546][ T1167] ip6_route_info_create+0xf18/0x17d0 [10152.546546][ T1167] ip6_route_add+0x1c/0x140 [10152.546546][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10152.546546][ T1167] addrconf_add_dev+0xe2/0x170 [10152.546546][ T1167] inet6_addr_add+0x12f/0xa40 [10152.546546][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10152.546546][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10152.546546][ T1167] netlink_rcv_skb+0x130/0x360 [10152.546546][ T1167] netlink_unicast+0x449/0x710 [10152.546546][ T1167] netlink_sendmsg+0x723/0xbe0 [10152.546546][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10152.546546][ T1167] ___sys_sendmsg+0xee/0x170 [10152.546546][ T1167] __sys_sendmsg+0xcd/0x170 [10152.546546][ T1167] do_syscall_64+0xc6/0x1e0 [10152.546546][ T1167] [10152.548839][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10152.548839][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10152.548839][ T1167] ipv6_find_idev+0x102/0x170 [10152.548839][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10152.548839][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10152.548839][ T1167] netlink_rcv_skb+0x130/0x360 [10152.548839][ T1167] netlink_unicast+0x449/0x710 [10152.548839][ T1167] netlink_sendmsg+0x723/0xbe0 [10152.548839][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10152.548839][ T1167] ___sys_sendmsg+0xee/0x170 [10152.548839][ T1167] __sys_sendmsg+0xcd/0x170 [10152.548839][ T1167] do_syscall_64+0xc6/0x1e0 [10152.548839][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10152.548839][ T1167] [10152.550570][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10152.550570][ T1167] neigh_parms_alloc+0x1e5/0x510 [10152.550570][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10152.550570][ T1167] ipv6_find_idev+0x102/0x170 [10152.550570][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10152.550570][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10152.550570][ T1167] netlink_rcv_skb+0x130/0x360 [10152.550570][ T1167] netlink_unicast+0x449/0x710 [10152.550570][ T1167] netlink_sendmsg+0x723/0xbe0 [10152.550570][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10152.550570][ T1167] ___sys_sendmsg+0xee/0x170 [10152.550570][ T1167] __sys_sendmsg+0xcd/0x170 [10152.550570][ T1167] do_syscall_64+0xc6/0x1e0 [10152.550570][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10152.550570][ T1167] [10161.289154][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10161.289775][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10161.289775][ T10] netdev_get_by_index+0x5e/0x80 [10161.289775][ T10] fib6_nh_init+0x3d8/0x1580 [10161.289775][ T10] ip6_route_info_create+0xf18/0x17d0 [10161.289775][ T10] addrconf_f6i_alloc+0x265/0x560 [10161.289775][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10161.289775][ T10] addrconf_join_anycast+0x1c0/0x220 [10161.289775][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10161.289775][ T10] addrconf_dad_completed+0x12b/0xe20 [10161.289775][ T10] addrconf_dad_begin+0x310/0x670 [10161.289775][ T10] addrconf_dad_work+0x10b/0xab0 [10161.289775][ T10] process_one_work+0x84d/0x18a0 [10161.289775][ T10] worker_thread+0x587/0xd30 [10161.289775][ T10] kthread+0x28a/0x350 [10161.289775][ T10] ret_from_fork+0x31/0x70 [10161.289775][ T10] ret_from_fork_asm+0x1a/0x30 [10161.289775][ T10] [10161.293193][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10161.293193][ T10] netdev_get_by_index+0x5e/0x80 [10161.293193][ T10] fib6_nh_init+0x3d8/0x1580 [10161.293193][ T10] ip6_route_info_create+0xf18/0x17d0 [10161.293193][ T10] ip6_route_add+0x1c/0x140 [10161.293193][ T10] addrconf_prefix_route+0x2a6/0x430 [10161.293193][ T10] inet6_addr_add+0x4f8/0xa40 [10161.293193][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10161.293193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10161.293193][ T10] netlink_rcv_skb+0x130/0x360 [10161.293193][ T10] netlink_unicast+0x449/0x710 [10161.293193][ T10] netlink_sendmsg+0x723/0xbe0 [10161.293193][ T10] ____sys_sendmsg+0x7b2/0xa10 [10161.293193][ T10] ___sys_sendmsg+0xee/0x170 [10161.293193][ T10] __sys_sendmsg+0xcd/0x170 [10161.293193][ T10] do_syscall_64+0xc6/0x1e0 [10161.293193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10161.293193][ T10] [10161.296568][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10161.296568][ T10] netdev_get_by_index+0x5e/0x80 [10161.296568][ T10] fib6_nh_init+0x3d8/0x1580 [10161.296568][ T10] ip6_route_info_create+0xf18/0x17d0 [10161.296568][ T10] addrconf_f6i_alloc+0x315/0x560 [10161.296568][ T10] ipv6_add_addr+0x411/0x2000 [10161.296568][ T10] inet6_addr_add+0x30e/0xa40 [10161.296568][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10161.296568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10161.296568][ T10] netlink_rcv_skb+0x130/0x360 [10161.296568][ T10] netlink_unicast+0x449/0x710 [10161.296568][ T10] netlink_sendmsg+0x723/0xbe0 [10161.296568][ T10] ____sys_sendmsg+0x7b2/0xa10 [10161.296568][ T10] ___sys_sendmsg+0xee/0x170 [10161.296568][ T10] __sys_sendmsg+0xcd/0x170 [10161.296568][ T10] do_syscall_64+0xc6/0x1e0 [10161.296568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10161.296568][ T10] [10161.300931][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10161.300931][ T10] netdev_get_by_index+0x5e/0x80 [10161.300931][ T10] fib6_nh_init+0x3d8/0x1580 [10161.300931][ T10] ip6_route_info_create+0xf18/0x17d0 [10161.300931][ T10] ip6_route_add+0x1c/0x140 [10161.300931][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10161.300931][ T10] addrconf_add_dev+0xe2/0x170 [10161.300931][ T10] inet6_addr_add+0x12f/0xa40 [10161.300931][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10161.300931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10161.300931][ T10] netlink_rcv_skb+0x130/0x360 [10161.300931][ T10] netlink_unicast+0x449/0x710 [10161.300931][ T10] netlink_sendmsg+0x723/0xbe0 [10161.300931][ T10] ____sys_sendmsg+0x7b2/0xa10 [10161.300931][ T10] ___sys_sendmsg+0xee/0x170 [10161.300931][ T10] __sys_sendmsg+0xcd/0x170 [10161.300931][ T10] do_syscall_64+0xc6/0x1e0 [10161.300931][ T10] [10161.308789][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10161.308789][ T10] ipv6_add_dev+0x3ba/0x11c0 [10161.308789][ T10] ipv6_find_idev+0x102/0x170 [10161.308789][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10161.308789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10161.308789][ T10] netlink_rcv_skb+0x130/0x360 [10161.308789][ T10] netlink_unicast+0x449/0x710 [10161.308789][ T10] netlink_sendmsg+0x723/0xbe0 [10161.308789][ T10] ____sys_sendmsg+0x7b2/0xa10 [10161.308789][ T10] ___sys_sendmsg+0xee/0x170 [10161.308789][ T10] __sys_sendmsg+0xcd/0x170 [10161.308789][ T10] do_syscall_64+0xc6/0x1e0 [10161.308789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10161.308789][ T10] [10161.312036][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10161.312036][ T10] neigh_parms_alloc+0x1e5/0x510 [10161.312036][ T10] ipv6_add_dev+0x2fe/0x11c0 [10161.312036][ T10] ipv6_find_idev+0x102/0x170 [10161.312036][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10161.312036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10161.312036][ T10] netlink_rcv_skb+0x130/0x360 [10161.312036][ T10] netlink_unicast+0x449/0x710 [10161.312036][ T10] netlink_sendmsg+0x723/0xbe0 [10161.312036][ T10] ____sys_sendmsg+0x7b2/0xa10 [10161.312036][ T10] ___sys_sendmsg+0xee/0x170 [10161.312036][ T10] __sys_sendmsg+0xcd/0x170 [10161.312036][ T10] do_syscall_64+0xc6/0x1e0 [10161.312036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10161.312036][ T10] [10161.330642][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10161.331221][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10161.331221][ T10] netdev_get_by_index+0x5e/0x80 [10161.331221][ T10] fib6_nh_init+0x3d8/0x1580 [10161.331221][ T10] ip6_route_info_create+0xf18/0x17d0 [10161.331221][ T10] addrconf_f6i_alloc+0x265/0x560 [10161.331221][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10161.331221][ T10] addrconf_join_anycast+0x1c0/0x220 [10161.331221][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10161.331221][ T10] addrconf_dad_completed+0x12b/0xe20 [10161.331221][ T10] addrconf_dad_begin+0x310/0x670 [10161.331221][ T10] addrconf_dad_work+0x10b/0xab0 [10161.331221][ T10] process_one_work+0x84d/0x18a0 [10161.331221][ T10] worker_thread+0x587/0xd30 [10161.331221][ T10] kthread+0x28a/0x350 [10161.331221][ T10] ret_from_fork+0x31/0x70 [10161.331221][ T10] ret_from_fork_asm+0x1a/0x30 [10161.331221][ T10] [10161.334536][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10161.334536][ T10] netdev_get_by_index+0x5e/0x80 [10161.334536][ T10] fib6_nh_init+0x3d8/0x1580 [10161.334536][ T10] ip6_route_info_create+0xf18/0x17d0 [10161.334536][ T10] ip6_route_add+0x1c/0x140 [10161.334536][ T10] addrconf_prefix_route+0x2a6/0x430 [10161.334536][ T10] inet6_addr_add+0x4f8/0xa40 [10161.334536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10161.334536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10161.334536][ T10] netlink_rcv_skb+0x130/0x360 [10161.334536][ T10] netlink_unicast+0x449/0x710 [10161.334536][ T10] netlink_sendmsg+0x723/0xbe0 [10161.334536][ T10] ____sys_sendmsg+0x7b2/0xa10 [10161.334536][ T10] ___sys_sendmsg+0xee/0x170 [10161.334536][ T10] __sys_sendmsg+0xcd/0x170 [10161.334536][ T10] do_syscall_64+0xc6/0x1e0 [10161.334536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10161.334536][ T10] [10161.338910][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10161.338910][ T10] netdev_get_by_index+0x5e/0x80 [10161.338910][ T10] fib6_nh_init+0x3d8/0x1580 [10161.338910][ T10] ip6_route_info_create+0xf18/0x17d0 [10161.338910][ T10] addrconf_f6i_alloc+0x315/0x560 [10161.338910][ T10] ipv6_add_addr+0x411/0x2000 [10161.338910][ T10] inet6_addr_add+0x30e/0xa40 [10161.338910][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10161.338910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10161.338910][ T10] netlink_rcv_skb+0x130/0x360 [10161.338910][ T10] netlink_unicast+0x449/0x710 [10161.338910][ T10] netlink_sendmsg+0x723/0xbe0 [10161.338910][ T10] ____sys_sendmsg+0x7b2/0xa10 [10161.338910][ T10] ___sys_sendmsg+0xee/0x170 [10161.338910][ T10] __sys_sendmsg+0xcd/0x170 [10161.338910][ T10] do_syscall_64+0xc6/0x1e0 [10161.338910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10161.338910][ T10] [10161.343148][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10161.343148][ T10] netdev_get_by_index+0x5e/0x80 [10161.343148][ T10] fib6_nh_init+0x3d8/0x1580 [10161.343148][ T10] ip6_route_info_create+0xf18/0x17d0 [10161.343148][ T10] ip6_route_add+0x1c/0x140 [10161.343148][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10161.343148][ T10] addrconf_add_dev+0xe2/0x170 [10161.343148][ T10] inet6_addr_add+0x12f/0xa40 [10161.343148][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10161.343148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10161.343148][ T10] netlink_rcv_skb+0x130/0x360 [10161.343148][ T10] netlink_unicast+0x449/0x710 [10161.343148][ T10] netlink_sendmsg+0x723/0xbe0 [10161.343148][ T10] ____sys_sendmsg+0x7b2/0xa10 [10161.343148][ T10] ___sys_sendmsg+0xee/0x170 [10161.343148][ T10] __sys_sendmsg+0xcd/0x170 [10161.343148][ T10] do_syscall_64+0xc6/0x1e0 [10161.343148][ T10] [10161.347686][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10161.347686][ T10] ipv6_add_dev+0x3ba/0x11c0 [10161.347686][ T10] ipv6_find_idev+0x102/0x170 [10161.347686][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10161.347686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10161.347686][ T10] netlink_rcv_skb+0x130/0x360 [10161.347686][ T10] netlink_unicast+0x449/0x710 [10161.347686][ T10] netlink_sendmsg+0x723/0xbe0 [10161.347686][ T10] ____sys_sendmsg+0x7b2/0xa10 [10161.347686][ T10] ___sys_sendmsg+0xee/0x170 [10161.347686][ T10] __sys_sendmsg+0xcd/0x170 [10161.347686][ T10] do_syscall_64+0xc6/0x1e0 [10161.347686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10161.347686][ T10] [10161.350940][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10161.350940][ T10] neigh_parms_alloc+0x1e5/0x510 [10161.350940][ T10] ipv6_add_dev+0x2fe/0x11c0 [10161.350940][ T10] ipv6_find_idev+0x102/0x170 [10161.350940][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10161.350940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10161.350940][ T10] netlink_rcv_skb+0x130/0x360 [10161.350940][ T10] netlink_unicast+0x449/0x710 [10161.350940][ T10] netlink_sendmsg+0x723/0xbe0 [10161.350940][ T10] ____sys_sendmsg+0x7b2/0xa10 [10161.350940][ T10] ___sys_sendmsg+0xee/0x170 [10161.350940][ T10] __sys_sendmsg+0xcd/0x170 [10161.350940][ T10] do_syscall_64+0xc6/0x1e0 [10161.350940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10161.350940][ T10] [10161.380621][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10161.381397][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10161.381397][ T10] netdev_get_by_index+0x5e/0x80 [10161.381397][ T10] fib6_nh_init+0x3d8/0x1580 [10161.381397][ T10] ip6_route_info_create+0xf18/0x17d0 [10161.381397][ T10] addrconf_f6i_alloc+0x265/0x560 [10161.381397][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10161.381397][ T10] addrconf_join_anycast+0x1c0/0x220 [10161.381397][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10161.381397][ T10] addrconf_dad_completed+0x12b/0xe20 [10161.381397][ T10] addrconf_dad_begin+0x310/0x670 [10161.381397][ T10] addrconf_dad_work+0x10b/0xab0 [10161.381397][ T10] process_one_work+0x84d/0x18a0 [10161.381397][ T10] worker_thread+0x587/0xd30 [10161.381397][ T10] kthread+0x28a/0x350 [10161.381397][ T10] ret_from_fork+0x31/0x70 [10161.381397][ T10] ret_from_fork_asm+0x1a/0x30 [10161.381397][ T10] [10161.385523][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10161.385523][ T10] netdev_get_by_index+0x5e/0x80 [10161.385523][ T10] fib6_nh_init+0x3d8/0x1580 [10161.385523][ T10] ip6_route_info_create+0xf18/0x17d0 [10161.385523][ T10] ip6_route_add+0x1c/0x140 [10161.385523][ T10] addrconf_prefix_route+0x2a6/0x430 [10161.385523][ T10] inet6_addr_add+0x4f8/0xa40 [10161.385523][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10161.385523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10161.385523][ T10] netlink_rcv_skb+0x130/0x360 [10161.385523][ T10] netlink_unicast+0x449/0x710 [10161.385523][ T10] netlink_sendmsg+0x723/0xbe0 [10161.385523][ T10] ____sys_sendmsg+0x7b2/0xa10 [10161.385523][ T10] ___sys_sendmsg+0xee/0x170 [10161.385523][ T10] __sys_sendmsg+0xcd/0x170 [10161.385523][ T10] do_syscall_64+0xc6/0x1e0 [10161.385523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10161.385523][ T10] [10161.390057][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10161.390057][ T10] netdev_get_by_index+0x5e/0x80 [10161.390057][ T10] fib6_nh_init+0x3d8/0x1580 [10161.390057][ T10] ip6_route_info_create+0xf18/0x17d0 [10161.390057][ T10] addrconf_f6i_alloc+0x315/0x560 [10161.390057][ T10] ipv6_add_addr+0x411/0x2000 [10161.390057][ T10] inet6_addr_add+0x30e/0xa40 [10161.390057][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10161.390057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10161.390057][ T10] netlink_rcv_skb+0x130/0x360 [10161.390057][ T10] netlink_unicast+0x449/0x710 [10161.390057][ T10] netlink_sendmsg+0x723/0xbe0 [10161.390057][ T10] ____sys_sendmsg+0x7b2/0xa10 [10161.390057][ T10] ___sys_sendmsg+0xee/0x170 [10161.390057][ T10] __sys_sendmsg+0xcd/0x170 [10161.390057][ T10] do_syscall_64+0xc6/0x1e0 [10161.390057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10161.390057][ T10] [10161.394684][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10161.394684][ T10] netdev_get_by_index+0x5e/0x80 [10161.394684][ T10] fib6_nh_init+0x3d8/0x1580 [10161.394684][ T10] ip6_route_info_create+0xf18/0x17d0 [10161.394684][ T10] ip6_route_add+0x1c/0x140 [10161.394684][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10161.394684][ T10] addrconf_add_dev+0xe2/0x170 [10161.394684][ T10] inet6_addr_add+0x12f/0xa40 [10161.394684][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10161.394684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10161.394684][ T10] netlink_rcv_skb+0x130/0x360 [10161.394684][ T10] netlink_unicast+0x449/0x710 [10161.394684][ T10] netlink_sendmsg+0x723/0xbe0 [10161.394684][ T10] ____sys_sendmsg+0x7b2/0xa10 [10161.394684][ T10] ___sys_sendmsg+0xee/0x170 [10161.394684][ T10] __sys_sendmsg+0xcd/0x170 [10161.394684][ T10] do_syscall_64+0xc6/0x1e0 [10161.394684][ T10] [10161.399105][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10161.399105][ T10] ipv6_add_dev+0x3ba/0x11c0 [10161.399105][ T10] ipv6_find_idev+0x102/0x170 [10161.399105][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10161.399105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10161.399105][ T10] netlink_rcv_skb+0x130/0x360 [10161.399105][ T10] netlink_unicast+0x449/0x710 [10161.399105][ T10] netlink_sendmsg+0x723/0xbe0 [10161.399105][ T10] ____sys_sendmsg+0x7b2/0xa10 [10161.399105][ T10] ___sys_sendmsg+0xee/0x170 [10161.399105][ T10] __sys_sendmsg+0xcd/0x170 [10161.399105][ T10] do_syscall_64+0xc6/0x1e0 [10161.399105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10161.399105][ T10] [10161.403075][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10161.403075][ T10] neigh_parms_alloc+0x1e5/0x510 [10161.403075][ T10] ipv6_add_dev+0x2fe/0x11c0 [10161.403075][ T10] ipv6_find_idev+0x102/0x170 [10161.403075][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10161.403075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10161.403075][ T10] netlink_rcv_skb+0x130/0x360 [10161.403075][ T10] netlink_unicast+0x449/0x710 [10161.403075][ T10] netlink_sendmsg+0x723/0xbe0 [10161.403075][ T10] ____sys_sendmsg+0x7b2/0xa10 [10161.403075][ T10] ___sys_sendmsg+0xee/0x170 [10161.403075][ T10] __sys_sendmsg+0xcd/0x170 [10161.403075][ T10] do_syscall_64+0xc6/0x1e0 [10161.403075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10161.403075][ T10] [10161.420689][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10161.421412][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10161.421412][ T10] netdev_get_by_index+0x5e/0x80 [10161.421412][ T10] fib6_nh_init+0x3d8/0x1580 [10161.421412][ T10] ip6_route_info_create+0xf18/0x17d0 [10161.421412][ T10] addrconf_f6i_alloc+0x265/0x560 [10161.421412][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10161.421412][ T10] addrconf_join_anycast+0x1c0/0x220 [10161.421412][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10161.421412][ T10] addrconf_dad_completed+0x12b/0xe20 [10161.421412][ T10] addrconf_dad_begin+0x310/0x670 [10161.421412][ T10] addrconf_dad_work+0x10b/0xab0 [10161.421412][ T10] process_one_work+0x84d/0x18a0 [10161.421412][ T10] worker_thread+0x587/0xd30 [10161.421412][ T10] kthread+0x28a/0x350 [10161.421412][ T10] ret_from_fork+0x31/0x70 [10161.421412][ T10] ret_from_fork_asm+0x1a/0x30 [10161.421412][ T10] [10161.426205][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10161.426205][ T10] netdev_get_by_index+0x5e/0x80 [10161.426205][ T10] fib6_nh_init+0x3d8/0x1580 [10161.426205][ T10] ip6_route_info_create+0xf18/0x17d0 [10161.426205][ T10] ip6_route_add+0x1c/0x140 [10161.426205][ T10] addrconf_prefix_route+0x2a6/0x430 [10161.426205][ T10] inet6_addr_add+0x4f8/0xa40 [10161.426205][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10161.426205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10161.426205][ T10] netlink_rcv_skb+0x130/0x360 [10161.426205][ T10] netlink_unicast+0x449/0x710 [10161.426205][ T10] netlink_sendmsg+0x723/0xbe0 [10161.426205][ T10] ____sys_sendmsg+0x7b2/0xa10 [10161.426205][ T10] ___sys_sendmsg+0xee/0x170 [10161.426205][ T10] __sys_sendmsg+0xcd/0x170 [10161.426205][ T10] do_syscall_64+0xc6/0x1e0 [10161.426205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10161.426205][ T10] [10161.430769][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10161.430769][ T10] netdev_get_by_index+0x5e/0x80 [10161.430769][ T10] fib6_nh_init+0x3d8/0x1580 [10161.430769][ T10] ip6_route_info_create+0xf18/0x17d0 [10161.430769][ T10] addrconf_f6i_alloc+0x315/0x560 [10161.430769][ T10] ipv6_add_addr+0x411/0x2000 [10161.430769][ T10] inet6_addr_add+0x30e/0xa40 [10161.430769][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10161.430769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10161.430769][ T10] netlink_rcv_skb+0x130/0x360 [10161.430769][ T10] netlink_unicast+0x449/0x710 [10161.430769][ T10] netlink_sendmsg+0x723/0xbe0 [10161.430769][ T10] ____sys_sendmsg+0x7b2/0xa10 [10161.430769][ T10] ___sys_sendmsg+0xee/0x170 [10161.430769][ T10] __sys_sendmsg+0xcd/0x170 [10161.430769][ T10] do_syscall_64+0xc6/0x1e0 [10161.430769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10161.430769][ T10] [10161.435534][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10161.435534][ T10] netdev_get_by_index+0x5e/0x80 [10161.435534][ T10] fib6_nh_init+0x3d8/0x1580 [10161.435534][ T10] ip6_route_info_create+0xf18/0x17d0 [10161.435534][ T10] ip6_route_add+0x1c/0x140 [10161.435534][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10161.435534][ T10] addrconf_add_dev+0xe2/0x170 [10161.435534][ T10] inet6_addr_add+0x12f/0xa40 [10161.435534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10161.435534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10161.435534][ T10] netlink_rcv_skb+0x130/0x360 [10161.435534][ T10] netlink_unicast+0x449/0x710 [10161.435534][ T10] netlink_sendmsg+0x723/0xbe0 [10161.435534][ T10] ____sys_sendmsg+0x7b2/0xa10 [10161.435534][ T10] ___sys_sendmsg+0xee/0x170 [10161.435534][ T10] __sys_sendmsg+0xcd/0x170 [10161.435534][ T10] do_syscall_64+0xc6/0x1e0 [10161.435534][ T10] [10161.440305][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10161.440305][ T10] ipv6_add_dev+0x3ba/0x11c0 [10161.440305][ T10] ipv6_find_idev+0x102/0x170 [10161.440305][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10161.440305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10161.440305][ T10] netlink_rcv_skb+0x130/0x360 [10161.440305][ T10] netlink_unicast+0x449/0x710 [10161.440305][ T10] netlink_sendmsg+0x723/0xbe0 [10161.440305][ T10] ____sys_sendmsg+0x7b2/0xa10 [10161.440305][ T10] ___sys_sendmsg+0xee/0x170 [10161.440305][ T10] __sys_sendmsg+0xcd/0x170 [10161.440305][ T10] do_syscall_64+0xc6/0x1e0 [10161.440305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10161.440305][ T10] [10161.443954][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10161.443954][ T10] neigh_parms_alloc+0x1e5/0x510 [10161.443954][ T10] ipv6_add_dev+0x2fe/0x11c0 [10161.443954][ T10] ipv6_find_idev+0x102/0x170 [10161.443954][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10161.443954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10161.443954][ T10] netlink_rcv_skb+0x130/0x360 [10161.443954][ T10] netlink_unicast+0x449/0x710 [10161.443954][ T10] netlink_sendmsg+0x723/0xbe0 [10161.443954][ T10] ____sys_sendmsg+0x7b2/0xa10 [10161.443954][ T10] ___sys_sendmsg+0xee/0x170 [10161.443954][ T10] __sys_sendmsg+0xcd/0x170 [10161.443954][ T10] do_syscall_64+0xc6/0x1e0 [10161.443954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10161.443954][ T10] [10162.793305][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10162.808466][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10162.808466][ T1167] dst_init+0x84/0x4a0 [10162.808466][ T1167] dst_alloc+0x97/0x150 [10162.808466][ T1167] ip6_dst_alloc+0x23/0x90 [10162.808466][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10162.808466][ T1167] ip6_pol_route+0x56f/0x840 [10162.808466][ T1167] fib6_rule_lookup+0x334/0x630 [10162.808466][ T1167] ip6_route_output_flags+0x259/0x480 [10162.808466][ T1167] inet6_rtm_getroute+0x980/0xf70 [10162.808466][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10162.808466][ T1167] netlink_rcv_skb+0x130/0x360 [10162.808466][ T1167] netlink_unicast+0x449/0x710 [10162.808466][ T1167] netlink_sendmsg+0x723/0xbe0 [10162.808466][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10162.808466][ T1167] ___sys_sendmsg+0xee/0x170 [10162.808466][ T1167] __sys_sendmsg+0xcd/0x170 [10162.808466][ T1167] do_syscall_64+0xc6/0x1e0 [10162.808466][ T1167] [10162.815092][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10162.815092][ T1167] netdev_get_by_index+0x5e/0x80 [10162.815092][ T1167] fib6_nh_init+0x3d8/0x1580 [10162.815092][ T1167] ip6_route_info_create+0xf18/0x17d0 [10162.815092][ T1167] addrconf_f6i_alloc+0x265/0x560 [10162.815092][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10162.815092][ T1167] addrconf_join_anycast+0x1c0/0x220 [10162.815092][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10162.815092][ T1167] addrconf_dad_completed+0x12b/0xe20 [10162.815092][ T1167] addrconf_dad_begin+0x310/0x670 [10162.815092][ T1167] addrconf_dad_work+0x10b/0xab0 [10162.815092][ T1167] process_one_work+0x84d/0x18a0 [10162.815092][ T1167] worker_thread+0x587/0xd30 [10162.815092][ T1167] kthread+0x28a/0x350 [10162.815092][ T1167] ret_from_fork+0x31/0x70 [10162.815092][ T1167] ret_from_fork_asm+0x1a/0x30 [10162.815092][ T1167] [10162.826295][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10162.826295][ T1167] netdev_get_by_index+0x5e/0x80 [10162.826295][ T1167] fib6_nh_init+0x3d8/0x1580 [10162.826295][ T1167] ip6_route_info_create+0xf18/0x17d0 [10162.826295][ T1167] ip6_route_add+0x1c/0x140 [10162.826295][ T1167] addrconf_prefix_route+0x2a6/0x430 [10162.826295][ T1167] inet6_addr_add+0x4f8/0xa40 [10162.826295][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10162.826295][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10162.826295][ T1167] netlink_rcv_skb+0x130/0x360 [10162.826295][ T1167] netlink_unicast+0x449/0x710 [10162.826295][ T1167] netlink_sendmsg+0x723/0xbe0 [10162.826295][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10162.826295][ T1167] ___sys_sendmsg+0xee/0x170 [10162.826295][ T1167] __sys_sendmsg+0xcd/0x170 [10162.826295][ T1167] do_syscall_64+0xc6/0x1e0 [10162.826295][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10162.826295][ T1167] [10162.835467][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10162.835467][ T1167] netdev_get_by_index+0x5e/0x80 [10162.835467][ T1167] fib6_nh_init+0x3d8/0x1580 [10162.835467][ T1167] ip6_route_info_create+0xf18/0x17d0 [10162.835467][ T1167] addrconf_f6i_alloc+0x315/0x560 [10162.835467][ T1167] ipv6_add_addr+0x411/0x2000 [10162.835467][ T1167] inet6_addr_add+0x30e/0xa40 [10162.835467][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10162.835467][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10162.835467][ T1167] netlink_rcv_skb+0x130/0x360 [10162.835467][ T1167] netlink_unicast+0x449/0x710 [10162.835467][ T1167] netlink_sendmsg+0x723/0xbe0 [10162.835467][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10162.835467][ T1167] ___sys_sendmsg+0xee/0x170 [10162.835467][ T1167] __sys_sendmsg+0xcd/0x170 [10162.835467][ T1167] do_syscall_64+0xc6/0x1e0 [10162.835467][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10162.835467][ T1167] [10162.844471][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10162.844471][ T1167] netdev_get_by_index+0x5e/0x80 [10162.844471][ T1167] fib6_nh_init+0x3d8/0x1580 [10162.844471][ T1167] ip6_route_info_create+0xf18/0x17d0 [10162.844471][ T1167] ip6_route_add+0x1c/0x140 [10162.844471][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10162.844471][ T1167] addrconf_add_dev+0xe2/0x170 [10162.844471][ T1167] inet6_addr_add+0x12f/0xa40 [10162.844471][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10162.844471][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10162.844471][ T1167] netlink_rcv_skb+0x130/0x360 [10162.844471][ T1167] netlink_unicast+0x449/0x710 [10162.844471][ T1167] netlink_sendmsg+0x723/0xbe0 [10162.844471][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10162.844471][ T1167] ___sys_sendmsg+0xee/0x170 [10162.844471][ T1167] __sys_sendmsg+0xcd/0x170 [10162.844471][ T1167] do_syscall_64+0xc6/0x1e0 [10162.844471][ T1167] [10162.854293][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10162.854293][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10162.854293][ T1167] ipv6_find_idev+0x102/0x170 [10162.854293][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10162.854293][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10162.854293][ T1167] netlink_rcv_skb+0x130/0x360 [10162.854293][ T1167] netlink_unicast+0x449/0x710 [10162.854293][ T1167] netlink_sendmsg+0x723/0xbe0 [10162.854293][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10162.854293][ T1167] ___sys_sendmsg+0xee/0x170 [10162.854293][ T1167] __sys_sendmsg+0xcd/0x170 [10162.854293][ T1167] do_syscall_64+0xc6/0x1e0 [10162.854293][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10162.854293][ T1167] [10162.860840][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10162.860840][ T1167] neigh_parms_alloc+0x1e5/0x510 [10162.860840][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10162.860840][ T1167] ipv6_find_idev+0x102/0x170 [10162.860840][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10162.860840][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10162.860840][ T1167] netlink_rcv_skb+0x130/0x360 [10162.860840][ T1167] netlink_unicast+0x449/0x710 [10162.860840][ T1167] netlink_sendmsg+0x723/0xbe0 [10162.860840][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10162.860840][ T1167] ___sys_sendmsg+0xee/0x170 [10162.860840][ T1167] __sys_sendmsg+0xcd/0x170 [10162.860840][ T1167] do_syscall_64+0xc6/0x1e0 [10162.860840][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10162.860840][ T1167] [10171.697155][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10171.697815][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10171.697815][ T10] netdev_get_by_index+0x5e/0x80 [10171.697815][ T10] fib6_nh_init+0x3d8/0x1580 [10171.697815][ T10] ip6_route_info_create+0xf18/0x17d0 [10171.697815][ T10] addrconf_f6i_alloc+0x265/0x560 [10171.697815][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10171.697815][ T10] addrconf_join_anycast+0x1c0/0x220 [10171.697815][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10171.697815][ T10] addrconf_dad_completed+0x12b/0xe20 [10171.697815][ T10] addrconf_dad_begin+0x310/0x670 [10171.697815][ T10] addrconf_dad_work+0x10b/0xab0 [10171.697815][ T10] process_one_work+0x84d/0x18a0 [10171.697815][ T10] worker_thread+0x587/0xd30 [10171.697815][ T10] kthread+0x28a/0x350 [10171.697815][ T10] ret_from_fork+0x31/0x70 [10171.697815][ T10] ret_from_fork_asm+0x1a/0x30 [10171.697815][ T10] [10171.713706][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10171.713706][ T10] netdev_get_by_index+0x5e/0x80 [10171.713706][ T10] fib6_nh_init+0x3d8/0x1580 [10171.713706][ T10] ip6_route_info_create+0xf18/0x17d0 [10171.713706][ T10] ip6_route_add+0x1c/0x140 [10171.713706][ T10] addrconf_prefix_route+0x2a6/0x430 [10171.713706][ T10] inet6_addr_add+0x4f8/0xa40 [10171.713706][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10171.713706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10171.713706][ T10] netlink_rcv_skb+0x130/0x360 [10171.713706][ T10] netlink_unicast+0x449/0x710 [10171.713706][ T10] netlink_sendmsg+0x723/0xbe0 [10171.713706][ T10] ____sys_sendmsg+0x7b2/0xa10 [10171.713706][ T10] ___sys_sendmsg+0xee/0x170 [10171.713706][ T10] __sys_sendmsg+0xcd/0x170 [10171.713706][ T10] do_syscall_64+0xc6/0x1e0 [10171.713706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10171.713706][ T10] [10171.717763][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10171.717763][ T10] netdev_get_by_index+0x5e/0x80 [10171.717763][ T10] fib6_nh_init+0x3d8/0x1580 [10171.717763][ T10] ip6_route_info_create+0xf18/0x17d0 [10171.717763][ T10] addrconf_f6i_alloc+0x315/0x560 [10171.717763][ T10] ipv6_add_addr+0x411/0x2000 [10171.717763][ T10] inet6_addr_add+0x30e/0xa40 [10171.717763][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10171.717763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10171.717763][ T10] netlink_rcv_skb+0x130/0x360 [10171.717763][ T10] netlink_unicast+0x449/0x710 [10171.717763][ T10] netlink_sendmsg+0x723/0xbe0 [10171.717763][ T10] ____sys_sendmsg+0x7b2/0xa10 [10171.717763][ T10] ___sys_sendmsg+0xee/0x170 [10171.717763][ T10] __sys_sendmsg+0xcd/0x170 [10171.717763][ T10] do_syscall_64+0xc6/0x1e0 [10171.717763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10171.717763][ T10] [10171.722213][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10171.722213][ T10] netdev_get_by_index+0x5e/0x80 [10171.722213][ T10] fib6_nh_init+0x3d8/0x1580 [10171.722213][ T10] ip6_route_info_create+0xf18/0x17d0 [10171.722213][ T10] ip6_route_add+0x1c/0x140 [10171.722213][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10171.722213][ T10] addrconf_add_dev+0xe2/0x170 [10171.722213][ T10] inet6_addr_add+0x12f/0xa40 [10171.722213][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10171.722213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10171.722213][ T10] netlink_rcv_skb+0x130/0x360 [10171.722213][ T10] netlink_unicast+0x449/0x710 [10171.722213][ T10] netlink_sendmsg+0x723/0xbe0 [10171.722213][ T10] ____sys_sendmsg+0x7b2/0xa10 [10171.722213][ T10] ___sys_sendmsg+0xee/0x170 [10171.722213][ T10] __sys_sendmsg+0xcd/0x170 [10171.722213][ T10] do_syscall_64+0xc6/0x1e0 [10171.722213][ T10] [10171.726597][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10171.726597][ T10] ipv6_add_dev+0x3ba/0x11c0 [10171.726597][ T10] ipv6_find_idev+0x102/0x170 [10171.726597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10171.726597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10171.726597][ T10] netlink_rcv_skb+0x130/0x360 [10171.726597][ T10] netlink_unicast+0x449/0x710 [10171.726597][ T10] netlink_sendmsg+0x723/0xbe0 [10171.726597][ T10] ____sys_sendmsg+0x7b2/0xa10 [10171.726597][ T10] ___sys_sendmsg+0xee/0x170 [10171.726597][ T10] __sys_sendmsg+0xcd/0x170 [10171.726597][ T10] do_syscall_64+0xc6/0x1e0 [10171.726597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10171.726597][ T10] [10171.733647][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10171.733647][ T10] neigh_parms_alloc+0x1e5/0x510 [10171.733647][ T10] ipv6_add_dev+0x2fe/0x11c0 [10171.733647][ T10] ipv6_find_idev+0x102/0x170 [10171.733647][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10171.733647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10171.733647][ T10] netlink_rcv_skb+0x130/0x360 [10171.733647][ T10] netlink_unicast+0x449/0x710 [10171.733647][ T10] netlink_sendmsg+0x723/0xbe0 [10171.733647][ T10] ____sys_sendmsg+0x7b2/0xa10 [10171.733647][ T10] ___sys_sendmsg+0xee/0x170 [10171.733647][ T10] __sys_sendmsg+0xcd/0x170 [10171.733647][ T10] do_syscall_64+0xc6/0x1e0 [10171.733647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10171.733647][ T10] [10171.740759][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10171.741428][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10171.741428][ T10] netdev_get_by_index+0x5e/0x80 [10171.741428][ T10] fib6_nh_init+0x3d8/0x1580 [10171.741428][ T10] ip6_route_info_create+0xf18/0x17d0 [10171.741428][ T10] addrconf_f6i_alloc+0x265/0x560 [10171.741428][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10171.741428][ T10] addrconf_join_anycast+0x1c0/0x220 [10171.741428][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10171.741428][ T10] addrconf_dad_completed+0x12b/0xe20 [10171.741428][ T10] addrconf_dad_begin+0x310/0x670 [10171.741428][ T10] addrconf_dad_work+0x10b/0xab0 [10171.741428][ T10] process_one_work+0x84d/0x18a0 [10171.741428][ T10] worker_thread+0x587/0xd30 [10171.741428][ T10] kthread+0x28a/0x350 [10171.741428][ T10] ret_from_fork+0x31/0x70 [10171.741428][ T10] ret_from_fork_asm+0x1a/0x30 [10171.741428][ T10] [10171.745862][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10171.745862][ T10] netdev_get_by_index+0x5e/0x80 [10171.745862][ T10] fib6_nh_init+0x3d8/0x1580 [10171.745862][ T10] ip6_route_info_create+0xf18/0x17d0 [10171.745862][ T10] ip6_route_add+0x1c/0x140 [10171.745862][ T10] addrconf_prefix_route+0x2a6/0x430 [10171.745862][ T10] inet6_addr_add+0x4f8/0xa40 [10171.745862][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10171.745862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10171.745862][ T10] netlink_rcv_skb+0x130/0x360 [10171.745862][ T10] netlink_unicast+0x449/0x710 [10171.745862][ T10] netlink_sendmsg+0x723/0xbe0 [10171.745862][ T10] ____sys_sendmsg+0x7b2/0xa10 [10171.745862][ T10] ___sys_sendmsg+0xee/0x170 [10171.745862][ T10] __sys_sendmsg+0xcd/0x170 [10171.745862][ T10] do_syscall_64+0xc6/0x1e0 [10171.745862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10171.745862][ T10] [10171.750492][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10171.750492][ T10] netdev_get_by_index+0x5e/0x80 [10171.750492][ T10] fib6_nh_init+0x3d8/0x1580 [10171.750492][ T10] ip6_route_info_create+0xf18/0x17d0 [10171.750492][ T10] addrconf_f6i_alloc+0x315/0x560 [10171.750492][ T10] ipv6_add_addr+0x411/0x2000 [10171.750492][ T10] inet6_addr_add+0x30e/0xa40 [10171.750492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10171.750492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10171.750492][ T10] netlink_rcv_skb+0x130/0x360 [10171.750492][ T10] netlink_unicast+0x449/0x710 [10171.750492][ T10] netlink_sendmsg+0x723/0xbe0 [10171.750492][ T10] ____sys_sendmsg+0x7b2/0xa10 [10171.750492][ T10] ___sys_sendmsg+0xee/0x170 [10171.750492][ T10] __sys_sendmsg+0xcd/0x170 [10171.750492][ T10] do_syscall_64+0xc6/0x1e0 [10171.750492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10171.750492][ T10] [10171.755030][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10171.755030][ T10] netdev_get_by_index+0x5e/0x80 [10171.755030][ T10] fib6_nh_init+0x3d8/0x1580 [10171.755030][ T10] ip6_route_info_create+0xf18/0x17d0 [10171.755030][ T10] ip6_route_add+0x1c/0x140 [10171.755030][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10171.755030][ T10] addrconf_add_dev+0xe2/0x170 [10171.755030][ T10] inet6_addr_add+0x12f/0xa40 [10171.755030][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10171.755030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10171.755030][ T10] netlink_rcv_skb+0x130/0x360 [10171.755030][ T10] netlink_unicast+0x449/0x710 [10171.755030][ T10] netlink_sendmsg+0x723/0xbe0 [10171.755030][ T10] ____sys_sendmsg+0x7b2/0xa10 [10171.755030][ T10] ___sys_sendmsg+0xee/0x170 [10171.755030][ T10] __sys_sendmsg+0xcd/0x170 [10171.755030][ T10] do_syscall_64+0xc6/0x1e0 [10171.755030][ T10] [10171.759592][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10171.759592][ T10] ipv6_add_dev+0x3ba/0x11c0 [10171.759592][ T10] ipv6_find_idev+0x102/0x170 [10171.759592][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10171.759592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10171.759592][ T10] netlink_rcv_skb+0x130/0x360 [10171.759592][ T10] netlink_unicast+0x449/0x710 [10171.759592][ T10] netlink_sendmsg+0x723/0xbe0 [10171.759592][ T10] ____sys_sendmsg+0x7b2/0xa10 [10171.759592][ T10] ___sys_sendmsg+0xee/0x170 [10171.759592][ T10] __sys_sendmsg+0xcd/0x170 [10171.759592][ T10] do_syscall_64+0xc6/0x1e0 [10171.759592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10171.759592][ T10] [10171.763188][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10171.763188][ T10] neigh_parms_alloc+0x1e5/0x510 [10171.763188][ T10] ipv6_add_dev+0x2fe/0x11c0 [10171.763188][ T10] ipv6_find_idev+0x102/0x170 [10171.763188][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10171.763188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10171.763188][ T10] netlink_rcv_skb+0x130/0x360 [10171.763188][ T10] netlink_unicast+0x449/0x710 [10171.763188][ T10] netlink_sendmsg+0x723/0xbe0 [10171.763188][ T10] ____sys_sendmsg+0x7b2/0xa10 [10171.763188][ T10] ___sys_sendmsg+0xee/0x170 [10171.763188][ T10] __sys_sendmsg+0xcd/0x170 [10171.763188][ T10] do_syscall_64+0xc6/0x1e0 [10171.763188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10171.763188][ T10] [10171.779287][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10171.780066][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10171.780066][ T10] netdev_get_by_index+0x5e/0x80 [10171.780066][ T10] fib6_nh_init+0x3d8/0x1580 [10171.780066][ T10] ip6_route_info_create+0xf18/0x17d0 [10171.780066][ T10] addrconf_f6i_alloc+0x265/0x560 [10171.780066][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10171.780066][ T10] addrconf_join_anycast+0x1c0/0x220 [10171.780066][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10171.780066][ T10] addrconf_dad_completed+0x12b/0xe20 [10171.780066][ T10] addrconf_dad_begin+0x310/0x670 [10171.780066][ T10] addrconf_dad_work+0x10b/0xab0 [10171.780066][ T10] process_one_work+0x84d/0x18a0 [10171.780066][ T10] worker_thread+0x587/0xd30 [10171.780066][ T10] kthread+0x28a/0x350 [10171.780066][ T10] ret_from_fork+0x31/0x70 [10171.780066][ T10] ret_from_fork_asm+0x1a/0x30 [10171.780066][ T10] [10171.785148][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10171.785148][ T10] netdev_get_by_index+0x5e/0x80 [10171.785148][ T10] fib6_nh_init+0x3d8/0x1580 [10171.785148][ T10] ip6_route_info_create+0xf18/0x17d0 [10171.785148][ T10] ip6_route_add+0x1c/0x140 [10171.785148][ T10] addrconf_prefix_route+0x2a6/0x430 [10171.785148][ T10] inet6_addr_add+0x4f8/0xa40 [10171.785148][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10171.785148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10171.785148][ T10] netlink_rcv_skb+0x130/0x360 [10171.785148][ T10] netlink_unicast+0x449/0x710 [10171.785148][ T10] netlink_sendmsg+0x723/0xbe0 [10171.785148][ T10] ____sys_sendmsg+0x7b2/0xa10 [10171.785148][ T10] ___sys_sendmsg+0xee/0x170 [10171.785148][ T10] __sys_sendmsg+0xcd/0x170 [10171.785148][ T10] do_syscall_64+0xc6/0x1e0 [10171.785148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10171.785148][ T10] [10171.790052][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10171.790052][ T10] netdev_get_by_index+0x5e/0x80 [10171.790052][ T10] fib6_nh_init+0x3d8/0x1580 [10171.790052][ T10] ip6_route_info_create+0xf18/0x17d0 [10171.790052][ T10] addrconf_f6i_alloc+0x315/0x560 [10171.790052][ T10] ipv6_add_addr+0x411/0x2000 [10171.790052][ T10] inet6_addr_add+0x30e/0xa40 [10171.790052][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10171.790052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10171.790052][ T10] netlink_rcv_skb+0x130/0x360 [10171.790052][ T10] netlink_unicast+0x449/0x710 [10171.790052][ T10] netlink_sendmsg+0x723/0xbe0 [10171.790052][ T10] ____sys_sendmsg+0x7b2/0xa10 [10171.790052][ T10] ___sys_sendmsg+0xee/0x170 [10171.790052][ T10] __sys_sendmsg+0xcd/0x170 [10171.790052][ T10] do_syscall_64+0xc6/0x1e0 [10171.790052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10171.790052][ T10] [10171.795059][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10171.795059][ T10] netdev_get_by_index+0x5e/0x80 [10171.795059][ T10] fib6_nh_init+0x3d8/0x1580 [10171.795059][ T10] ip6_route_info_create+0xf18/0x17d0 [10171.795059][ T10] ip6_route_add+0x1c/0x140 [10171.795059][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10171.795059][ T10] addrconf_add_dev+0xe2/0x170 [10171.795059][ T10] inet6_addr_add+0x12f/0xa40 [10171.795059][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10171.795059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10171.795059][ T10] netlink_rcv_skb+0x130/0x360 [10171.795059][ T10] netlink_unicast+0x449/0x710 [10171.795059][ T10] netlink_sendmsg+0x723/0xbe0 [10171.795059][ T10] ____sys_sendmsg+0x7b2/0xa10 [10171.795059][ T10] ___sys_sendmsg+0xee/0x170 [10171.795059][ T10] __sys_sendmsg+0xcd/0x170 [10171.795059][ T10] do_syscall_64+0xc6/0x1e0 [10171.795059][ T10] [10171.799944][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10171.799944][ T10] ipv6_add_dev+0x3ba/0x11c0 [10171.799944][ T10] ipv6_find_idev+0x102/0x170 [10171.799944][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10171.799944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10171.799944][ T10] netlink_rcv_skb+0x130/0x360 [10171.799944][ T10] netlink_unicast+0x449/0x710 [10171.799944][ T10] netlink_sendmsg+0x723/0xbe0 [10171.799944][ T10] ____sys_sendmsg+0x7b2/0xa10 [10171.799944][ T10] ___sys_sendmsg+0xee/0x170 [10171.799944][ T10] __sys_sendmsg+0xcd/0x170 [10171.799944][ T10] do_syscall_64+0xc6/0x1e0 [10171.799944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10171.799944][ T10] [10171.804044][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10171.804044][ T10] neigh_parms_alloc+0x1e5/0x510 [10171.804044][ T10] ipv6_add_dev+0x2fe/0x11c0 [10171.804044][ T10] ipv6_find_idev+0x102/0x170 [10171.804044][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10171.804044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10171.804044][ T10] netlink_rcv_skb+0x130/0x360 [10171.804044][ T10] netlink_unicast+0x449/0x710 [10171.804044][ T10] netlink_sendmsg+0x723/0xbe0 [10171.804044][ T10] ____sys_sendmsg+0x7b2/0xa10 [10171.804044][ T10] ___sys_sendmsg+0xee/0x170 [10171.804044][ T10] __sys_sendmsg+0xcd/0x170 [10171.804044][ T10] do_syscall_64+0xc6/0x1e0 [10171.804044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10171.804044][ T10] [10171.808387][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10171.808990][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10171.808990][ T10] netdev_get_by_index+0x5e/0x80 [10171.808990][ T10] fib6_nh_init+0x3d8/0x1580 [10171.808990][ T10] ip6_route_info_create+0xf18/0x17d0 [10171.808990][ T10] addrconf_f6i_alloc+0x265/0x560 [10171.808990][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10171.808990][ T10] addrconf_join_anycast+0x1c0/0x220 [10171.808990][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10171.808990][ T10] addrconf_dad_completed+0x12b/0xe20 [10171.808990][ T10] addrconf_dad_begin+0x310/0x670 [10171.808990][ T10] addrconf_dad_work+0x10b/0xab0 [10171.808990][ T10] process_one_work+0x84d/0x18a0 [10171.808990][ T10] worker_thread+0x587/0xd30 [10171.808990][ T10] kthread+0x28a/0x350 [10171.808990][ T10] ret_from_fork+0x31/0x70 [10171.808990][ T10] ret_from_fork_asm+0x1a/0x30 [10171.808990][ T10] [10171.813953][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10171.813953][ T10] netdev_get_by_index+0x5e/0x80 [10171.813953][ T10] fib6_nh_init+0x3d8/0x1580 [10171.813953][ T10] ip6_route_info_create+0xf18/0x17d0 [10171.813953][ T10] ip6_route_add+0x1c/0x140 [10171.813953][ T10] addrconf_prefix_route+0x2a6/0x430 [10171.813953][ T10] inet6_addr_add+0x4f8/0xa40 [10171.813953][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10171.813953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10171.813953][ T10] netlink_rcv_skb+0x130/0x360 [10171.813953][ T10] netlink_unicast+0x449/0x710 [10171.813953][ T10] netlink_sendmsg+0x723/0xbe0 [10171.813953][ T10] ____sys_sendmsg+0x7b2/0xa10 [10171.813953][ T10] ___sys_sendmsg+0xee/0x170 [10171.813953][ T10] __sys_sendmsg+0xcd/0x170 [10171.813953][ T10] do_syscall_64+0xc6/0x1e0 [10171.813953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10171.813953][ T10] [10171.818774][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10171.818774][ T10] netdev_get_by_index+0x5e/0x80 [10171.818774][ T10] fib6_nh_init+0x3d8/0x1580 [10171.818774][ T10] ip6_route_info_create+0xf18/0x17d0 [10171.818774][ T10] addrconf_f6i_alloc+0x315/0x560 [10171.818774][ T10] ipv6_add_addr+0x411/0x2000 [10171.818774][ T10] inet6_addr_add+0x30e/0xa40 [10171.818774][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10171.818774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10171.818774][ T10] netlink_rcv_skb+0x130/0x360 [10171.818774][ T10] netlink_unicast+0x449/0x710 [10171.818774][ T10] netlink_sendmsg+0x723/0xbe0 [10171.818774][ T10] ____sys_sendmsg+0x7b2/0xa10 [10171.818774][ T10] ___sys_sendmsg+0xee/0x170 [10171.818774][ T10] __sys_sendmsg+0xcd/0x170 [10171.818774][ T10] do_syscall_64+0xc6/0x1e0 [10171.818774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10171.818774][ T10] [10171.823650][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10171.823650][ T10] netdev_get_by_index+0x5e/0x80 [10171.823650][ T10] fib6_nh_init+0x3d8/0x1580 [10171.823650][ T10] ip6_route_info_create+0xf18/0x17d0 [10171.823650][ T10] ip6_route_add+0x1c/0x140 [10171.823650][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10171.823650][ T10] addrconf_add_dev+0xe2/0x170 [10171.823650][ T10] inet6_addr_add+0x12f/0xa40 [10171.823650][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10171.823650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10171.823650][ T10] netlink_rcv_skb+0x130/0x360 [10171.823650][ T10] netlink_unicast+0x449/0x710 [10171.823650][ T10] netlink_sendmsg+0x723/0xbe0 [10171.823650][ T10] ____sys_sendmsg+0x7b2/0xa10 [10171.823650][ T10] ___sys_sendmsg+0xee/0x170 [10171.823650][ T10] __sys_sendmsg+0xcd/0x170 [10171.823650][ T10] do_syscall_64+0xc6/0x1e0 [10171.823650][ T10] [10171.829673][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10171.829673][ T10] ipv6_add_dev+0x3ba/0x11c0 [10171.829673][ T10] ipv6_find_idev+0x102/0x170 [10171.829673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10171.829673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10171.829673][ T10] netlink_rcv_skb+0x130/0x360 [10171.829673][ T10] netlink_unicast+0x449/0x710 [10171.829673][ T10] netlink_sendmsg+0x723/0xbe0 [10171.829673][ T10] ____sys_sendmsg+0x7b2/0xa10 [10171.829673][ T10] ___sys_sendmsg+0xee/0x170 [10171.829673][ T10] __sys_sendmsg+0xcd/0x170 [10171.829673][ T10] do_syscall_64+0xc6/0x1e0 [10171.829673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10171.829673][ T10] [10171.833614][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10171.833614][ T10] neigh_parms_alloc+0x1e5/0x510 [10171.833614][ T10] ipv6_add_dev+0x2fe/0x11c0 [10171.833614][ T10] ipv6_find_idev+0x102/0x170 [10171.833614][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10171.833614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10171.833614][ T10] netlink_rcv_skb+0x130/0x360 [10171.833614][ T10] netlink_unicast+0x449/0x710 [10171.833614][ T10] netlink_sendmsg+0x723/0xbe0 [10171.833614][ T10] ____sys_sendmsg+0x7b2/0xa10 [10171.833614][ T10] ___sys_sendmsg+0xee/0x170 [10171.833614][ T10] __sys_sendmsg+0xcd/0x170 [10171.833614][ T10] do_syscall_64+0xc6/0x1e0 [10171.833614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10171.833614][ T10] [10172.897190][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10172.897926][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10172.897926][ T1167] dst_init+0x84/0x4a0 [10172.897926][ T1167] dst_alloc+0x97/0x150 [10172.897926][ T1167] ip6_dst_alloc+0x23/0x90 [10172.897926][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10172.897926][ T1167] ip6_pol_route+0x56f/0x840 [10172.897926][ T1167] fib6_rule_lookup+0x334/0x630 [10172.897926][ T1167] ip6_route_output_flags+0x259/0x480 [10172.897926][ T1167] inet6_rtm_getroute+0x980/0xf70 [10172.897926][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10172.897926][ T1167] netlink_rcv_skb+0x130/0x360 [10172.897926][ T1167] netlink_unicast+0x449/0x710 [10172.897926][ T1167] netlink_sendmsg+0x723/0xbe0 [10172.897926][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10172.897926][ T1167] ___sys_sendmsg+0xee/0x170 [10172.897926][ T1167] __sys_sendmsg+0xcd/0x170 [10172.897926][ T1167] do_syscall_64+0xc6/0x1e0 [10172.897926][ T1167] [10172.915057][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10172.915057][ T1167] netdev_get_by_index+0x5e/0x80 [10172.915057][ T1167] fib6_nh_init+0x3d8/0x1580 [10172.915057][ T1167] ip6_route_info_create+0xf18/0x17d0 [10172.915057][ T1167] addrconf_f6i_alloc+0x265/0x560 [10172.915057][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10172.915057][ T1167] addrconf_join_anycast+0x1c0/0x220 [10172.915057][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10172.915057][ T1167] addrconf_dad_completed+0x12b/0xe20 [10172.915057][ T1167] addrconf_dad_begin+0x310/0x670 [10172.915057][ T1167] addrconf_dad_work+0x10b/0xab0 [10172.915057][ T1167] process_one_work+0x84d/0x18a0 [10172.915057][ T1167] worker_thread+0x587/0xd30 [10172.915057][ T1167] kthread+0x28a/0x350 [10172.915057][ T1167] ret_from_fork+0x31/0x70 [10172.915057][ T1167] ret_from_fork_asm+0x1a/0x30 [10172.915057][ T1167] [10172.920026][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10172.920026][ T1167] netdev_get_by_index+0x5e/0x80 [10172.920026][ T1167] fib6_nh_init+0x3d8/0x1580 [10172.920026][ T1167] ip6_route_info_create+0xf18/0x17d0 [10172.920026][ T1167] ip6_route_add+0x1c/0x140 [10172.920026][ T1167] addrconf_prefix_route+0x2a6/0x430 [10172.920026][ T1167] inet6_addr_add+0x4f8/0xa40 [10172.920026][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10172.920026][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10172.920026][ T1167] netlink_rcv_skb+0x130/0x360 [10172.920026][ T1167] netlink_unicast+0x449/0x710 [10172.920026][ T1167] netlink_sendmsg+0x723/0xbe0 [10172.920026][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10172.920026][ T1167] ___sys_sendmsg+0xee/0x170 [10172.920026][ T1167] __sys_sendmsg+0xcd/0x170 [10172.920026][ T1167] do_syscall_64+0xc6/0x1e0 [10172.920026][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10172.920026][ T1167] [10172.928517][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10172.928517][ T1167] netdev_get_by_index+0x5e/0x80 [10172.928517][ T1167] fib6_nh_init+0x3d8/0x1580 [10172.928517][ T1167] ip6_route_info_create+0xf18/0x17d0 [10172.928517][ T1167] addrconf_f6i_alloc+0x315/0x560 [10172.928517][ T1167] ipv6_add_addr+0x411/0x2000 [10172.928517][ T1167] inet6_addr_add+0x30e/0xa40 [10172.928517][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10172.928517][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10172.928517][ T1167] netlink_rcv_skb+0x130/0x360 [10172.928517][ T1167] netlink_unicast+0x449/0x710 [10172.928517][ T1167] netlink_sendmsg+0x723/0xbe0 [10172.928517][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10172.928517][ T1167] ___sys_sendmsg+0xee/0x170 [10172.928517][ T1167] __sys_sendmsg+0xcd/0x170 [10172.928517][ T1167] do_syscall_64+0xc6/0x1e0 [10172.928517][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10172.928517][ T1167] [10172.935303][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10172.935303][ T1167] netdev_get_by_index+0x5e/0x80 [10172.935303][ T1167] fib6_nh_init+0x3d8/0x1580 [10172.935303][ T1167] ip6_route_info_create+0xf18/0x17d0 [10172.935303][ T1167] ip6_route_add+0x1c/0x140 [10172.935303][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10172.935303][ T1167] addrconf_add_dev+0xe2/0x170 [10172.935303][ T1167] inet6_addr_add+0x12f/0xa40 [10172.935303][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10172.935303][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10172.935303][ T1167] netlink_rcv_skb+0x130/0x360 [10172.935303][ T1167] netlink_unicast+0x449/0x710 [10172.935303][ T1167] netlink_sendmsg+0x723/0xbe0 [10172.935303][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10172.935303][ T1167] ___sys_sendmsg+0xee/0x170 [10172.935303][ T1167] __sys_sendmsg+0xcd/0x170 [10172.935303][ T1167] do_syscall_64+0xc6/0x1e0 [10172.935303][ T1167] [10172.942044][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10172.942044][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10172.942044][ T1167] ipv6_find_idev+0x102/0x170 [10172.942044][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10172.942044][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10172.942044][ T1167] netlink_rcv_skb+0x130/0x360 [10172.942044][ T1167] netlink_unicast+0x449/0x710 [10172.942044][ T1167] netlink_sendmsg+0x723/0xbe0 [10172.942044][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10172.942044][ T1167] ___sys_sendmsg+0xee/0x170 [10172.942044][ T1167] __sys_sendmsg+0xcd/0x170 [10172.942044][ T1167] do_syscall_64+0xc6/0x1e0 [10172.942044][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10172.942044][ T1167] [10172.947229][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10172.947229][ T1167] neigh_parms_alloc+0x1e5/0x510 [10172.947229][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10172.947229][ T1167] ipv6_find_idev+0x102/0x170 [10172.947229][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10172.947229][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10172.947229][ T1167] netlink_rcv_skb+0x130/0x360 [10172.947229][ T1167] netlink_unicast+0x449/0x710 [10172.947229][ T1167] netlink_sendmsg+0x723/0xbe0 [10172.947229][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10172.947229][ T1167] ___sys_sendmsg+0xee/0x170 [10172.947229][ T1167] __sys_sendmsg+0xcd/0x170 [10172.947229][ T1167] do_syscall_64+0xc6/0x1e0 [10172.947229][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10172.947229][ T1167] [10182.097227][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10182.160877][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10182.160877][ T10] netdev_get_by_index+0x5e/0x80 [10182.160877][ T10] fib6_nh_init+0x3d8/0x1580 [10182.160877][ T10] ip6_route_info_create+0xf18/0x17d0 [10182.160877][ T10] addrconf_f6i_alloc+0x265/0x560 [10182.160877][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10182.160877][ T10] addrconf_join_anycast+0x1c0/0x220 [10182.160877][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10182.160877][ T10] addrconf_dad_completed+0x12b/0xe20 [10182.160877][ T10] addrconf_dad_begin+0x310/0x670 [10182.160877][ T10] addrconf_dad_work+0x10b/0xab0 [10182.160877][ T10] process_one_work+0x84d/0x18a0 [10182.160877][ T10] worker_thread+0x587/0xd30 [10182.160877][ T10] kthread+0x28a/0x350 [10182.160877][ T10] ret_from_fork+0x31/0x70 [10182.160877][ T10] ret_from_fork_asm+0x1a/0x30 [10182.160877][ T10] [10182.184046][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10182.184046][ T10] netdev_get_by_index+0x5e/0x80 [10182.184046][ T10] fib6_nh_init+0x3d8/0x1580 [10182.184046][ T10] ip6_route_info_create+0xf18/0x17d0 [10182.184046][ T10] ip6_route_add+0x1c/0x140 [10182.184046][ T10] addrconf_prefix_route+0x2a6/0x430 [10182.184046][ T10] inet6_addr_add+0x4f8/0xa40 [10182.184046][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10182.184046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10182.184046][ T10] netlink_rcv_skb+0x130/0x360 [10182.184046][ T10] netlink_unicast+0x449/0x710 [10182.184046][ T10] netlink_sendmsg+0x723/0xbe0 [10182.184046][ T10] ____sys_sendmsg+0x7b2/0xa10 [10182.184046][ T10] ___sys_sendmsg+0xee/0x170 [10182.184046][ T10] __sys_sendmsg+0xcd/0x170 [10182.184046][ T10] do_syscall_64+0xc6/0x1e0 [10182.184046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10182.184046][ T10] [10182.187684][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10182.187684][ T10] netdev_get_by_index+0x5e/0x80 [10182.187684][ T10] fib6_nh_init+0x3d8/0x1580 [10182.187684][ T10] ip6_route_info_create+0xf18/0x17d0 [10182.187684][ T10] addrconf_f6i_alloc+0x315/0x560 [10182.187684][ T10] ipv6_add_addr+0x411/0x2000 [10182.187684][ T10] inet6_addr_add+0x30e/0xa40 [10182.187684][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10182.187684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10182.187684][ T10] netlink_rcv_skb+0x130/0x360 [10182.187684][ T10] netlink_unicast+0x449/0x710 [10182.187684][ T10] netlink_sendmsg+0x723/0xbe0 [10182.187684][ T10] ____sys_sendmsg+0x7b2/0xa10 [10182.187684][ T10] ___sys_sendmsg+0xee/0x170 [10182.187684][ T10] __sys_sendmsg+0xcd/0x170 [10182.187684][ T10] do_syscall_64+0xc6/0x1e0 [10182.187684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10182.187684][ T10] [10182.191714][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10182.191714][ T10] netdev_get_by_index+0x5e/0x80 [10182.191714][ T10] fib6_nh_init+0x3d8/0x1580 [10182.191714][ T10] ip6_route_info_create+0xf18/0x17d0 [10182.191714][ T10] ip6_route_add+0x1c/0x140 [10182.191714][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10182.191714][ T10] addrconf_add_dev+0xe2/0x170 [10182.191714][ T10] inet6_addr_add+0x12f/0xa40 [10182.191714][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10182.191714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10182.191714][ T10] netlink_rcv_skb+0x130/0x360 [10182.191714][ T10] netlink_unicast+0x449/0x710 [10182.191714][ T10] netlink_sendmsg+0x723/0xbe0 [10182.191714][ T10] ____sys_sendmsg+0x7b2/0xa10 [10182.191714][ T10] ___sys_sendmsg+0xee/0x170 [10182.191714][ T10] __sys_sendmsg+0xcd/0x170 [10182.191714][ T10] do_syscall_64+0xc6/0x1e0 [10182.191714][ T10] [10182.222605][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10182.222605][ T10] ipv6_add_dev+0x3ba/0x11c0 [10182.222605][ T10] ipv6_find_idev+0x102/0x170 [10182.222605][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10182.222605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10182.222605][ T10] netlink_rcv_skb+0x130/0x360 [10182.222605][ T10] netlink_unicast+0x449/0x710 [10182.222605][ T10] netlink_sendmsg+0x723/0xbe0 [10182.222605][ T10] ____sys_sendmsg+0x7b2/0xa10 [10182.222605][ T10] ___sys_sendmsg+0xee/0x170 [10182.222605][ T10] __sys_sendmsg+0xcd/0x170 [10182.222605][ T10] do_syscall_64+0xc6/0x1e0 [10182.222605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10182.222605][ T10] [10182.224991][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10182.224991][ T10] neigh_parms_alloc+0x1e5/0x510 [10182.224991][ T10] ipv6_add_dev+0x2fe/0x11c0 [10182.224991][ T10] ipv6_find_idev+0x102/0x170 [10182.224991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10182.224991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10182.224991][ T10] netlink_rcv_skb+0x130/0x360 [10182.224991][ T10] netlink_unicast+0x449/0x710 [10182.224991][ T10] netlink_sendmsg+0x723/0xbe0 [10182.224991][ T10] ____sys_sendmsg+0x7b2/0xa10 [10182.224991][ T10] ___sys_sendmsg+0xee/0x170 [10182.224991][ T10] __sys_sendmsg+0xcd/0x170 [10182.224991][ T10] do_syscall_64+0xc6/0x1e0 [10182.224991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10182.224991][ T10] [10182.260711][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10182.261547][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10182.261547][ T10] netdev_get_by_index+0x5e/0x80 [10182.261547][ T10] fib6_nh_init+0x3d8/0x1580 [10182.261547][ T10] ip6_route_info_create+0xf18/0x17d0 [10182.261547][ T10] addrconf_f6i_alloc+0x265/0x560 [10182.261547][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10182.261547][ T10] addrconf_join_anycast+0x1c0/0x220 [10182.261547][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10182.261547][ T10] addrconf_dad_completed+0x12b/0xe20 [10182.261547][ T10] addrconf_dad_begin+0x310/0x670 [10182.261547][ T10] addrconf_dad_work+0x10b/0xab0 [10182.261547][ T10] process_one_work+0x84d/0x18a0 [10182.261547][ T10] worker_thread+0x587/0xd30 [10182.261547][ T10] kthread+0x28a/0x350 [10182.261547][ T10] ret_from_fork+0x31/0x70 [10182.261547][ T10] ret_from_fork_asm+0x1a/0x30 [10182.261547][ T10] [10182.266310][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10182.266310][ T10] netdev_get_by_index+0x5e/0x80 [10182.266310][ T10] fib6_nh_init+0x3d8/0x1580 [10182.266310][ T10] ip6_route_info_create+0xf18/0x17d0 [10182.266310][ T10] ip6_route_add+0x1c/0x140 [10182.266310][ T10] addrconf_prefix_route+0x2a6/0x430 [10182.266310][ T10] inet6_addr_add+0x4f8/0xa40 [10182.266310][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10182.266310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10182.266310][ T10] netlink_rcv_skb+0x130/0x360 [10182.266310][ T10] netlink_unicast+0x449/0x710 [10182.266310][ T10] netlink_sendmsg+0x723/0xbe0 [10182.266310][ T10] ____sys_sendmsg+0x7b2/0xa10 [10182.266310][ T10] ___sys_sendmsg+0xee/0x170 [10182.266310][ T10] __sys_sendmsg+0xcd/0x170 [10182.266310][ T10] do_syscall_64+0xc6/0x1e0 [10182.266310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10182.266310][ T10] [10182.270725][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10182.270725][ T10] netdev_get_by_index+0x5e/0x80 [10182.270725][ T10] fib6_nh_init+0x3d8/0x1580 [10182.270725][ T10] ip6_route_info_create+0xf18/0x17d0 [10182.270725][ T10] addrconf_f6i_alloc+0x315/0x560 [10182.270725][ T10] ipv6_add_addr+0x411/0x2000 [10182.270725][ T10] inet6_addr_add+0x30e/0xa40 [10182.270725][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10182.270725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10182.270725][ T10] netlink_rcv_skb+0x130/0x360 [10182.270725][ T10] netlink_unicast+0x449/0x710 [10182.270725][ T10] netlink_sendmsg+0x723/0xbe0 [10182.270725][ T10] ____sys_sendmsg+0x7b2/0xa10 [10182.270725][ T10] ___sys_sendmsg+0xee/0x170 [10182.270725][ T10] __sys_sendmsg+0xcd/0x170 [10182.270725][ T10] do_syscall_64+0xc6/0x1e0 [10182.270725][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10182.270725][ T10] [10182.275032][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10182.275032][ T10] netdev_get_by_index+0x5e/0x80 [10182.275032][ T10] fib6_nh_init+0x3d8/0x1580 [10182.275032][ T10] ip6_route_info_create+0xf18/0x17d0 [10182.275032][ T10] ip6_route_add+0x1c/0x140 [10182.275032][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10182.275032][ T10] addrconf_add_dev+0xe2/0x170 [10182.275032][ T10] inet6_addr_add+0x12f/0xa40 [10182.275032][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10182.275032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10182.275032][ T10] netlink_rcv_skb+0x130/0x360 [10182.275032][ T10] netlink_unicast+0x449/0x710 [10182.275032][ T10] netlink_sendmsg+0x723/0xbe0 [10182.275032][ T10] ____sys_sendmsg+0x7b2/0xa10 [10182.275032][ T10] ___sys_sendmsg+0xee/0x170 [10182.275032][ T10] __sys_sendmsg+0xcd/0x170 [10182.275032][ T10] do_syscall_64+0xc6/0x1e0 [10182.275032][ T10] [10182.279262][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10182.279262][ T10] ipv6_add_dev+0x3ba/0x11c0 [10182.279262][ T10] ipv6_find_idev+0x102/0x170 [10182.279262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10182.279262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10182.279262][ T10] netlink_rcv_skb+0x130/0x360 [10182.279262][ T10] netlink_unicast+0x449/0x710 [10182.279262][ T10] netlink_sendmsg+0x723/0xbe0 [10182.279262][ T10] ____sys_sendmsg+0x7b2/0xa10 [10182.279262][ T10] ___sys_sendmsg+0xee/0x170 [10182.279262][ T10] __sys_sendmsg+0xcd/0x170 [10182.279262][ T10] do_syscall_64+0xc6/0x1e0 [10182.279262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10182.279262][ T10] [10182.283046][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10182.283046][ T10] neigh_parms_alloc+0x1e5/0x510 [10182.283046][ T10] ipv6_add_dev+0x2fe/0x11c0 [10182.283046][ T10] ipv6_find_idev+0x102/0x170 [10182.283046][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10182.283046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10182.283046][ T10] netlink_rcv_skb+0x130/0x360 [10182.283046][ T10] netlink_unicast+0x449/0x710 [10182.283046][ T10] netlink_sendmsg+0x723/0xbe0 [10182.283046][ T10] ____sys_sendmsg+0x7b2/0xa10 [10182.283046][ T10] ___sys_sendmsg+0xee/0x170 [10182.283046][ T10] __sys_sendmsg+0xcd/0x170 [10182.283046][ T10] do_syscall_64+0xc6/0x1e0 [10182.283046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10182.283046][ T10] [10182.320643][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10182.321466][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10182.321466][ T10] netdev_get_by_index+0x5e/0x80 [10182.321466][ T10] fib6_nh_init+0x3d8/0x1580 [10182.321466][ T10] ip6_route_info_create+0xf18/0x17d0 [10182.321466][ T10] addrconf_f6i_alloc+0x265/0x560 [10182.321466][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10182.321466][ T10] addrconf_join_anycast+0x1c0/0x220 [10182.321466][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10182.321466][ T10] addrconf_dad_completed+0x12b/0xe20 [10182.321466][ T10] addrconf_dad_begin+0x310/0x670 [10182.321466][ T10] addrconf_dad_work+0x10b/0xab0 [10182.321466][ T10] process_one_work+0x84d/0x18a0 [10182.321466][ T10] worker_thread+0x587/0xd30 [10182.321466][ T10] kthread+0x28a/0x350 [10182.321466][ T10] ret_from_fork+0x31/0x70 [10182.321466][ T10] ret_from_fork_asm+0x1a/0x30 [10182.321466][ T10] [10182.325806][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10182.325806][ T10] netdev_get_by_index+0x5e/0x80 [10182.325806][ T10] fib6_nh_init+0x3d8/0x1580 [10182.325806][ T10] ip6_route_info_create+0xf18/0x17d0 [10182.325806][ T10] ip6_route_add+0x1c/0x140 [10182.325806][ T10] addrconf_prefix_route+0x2a6/0x430 [10182.325806][ T10] inet6_addr_add+0x4f8/0xa40 [10182.325806][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10182.325806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10182.325806][ T10] netlink_rcv_skb+0x130/0x360 [10182.325806][ T10] netlink_unicast+0x449/0x710 [10182.325806][ T10] netlink_sendmsg+0x723/0xbe0 [10182.325806][ T10] ____sys_sendmsg+0x7b2/0xa10 [10182.325806][ T10] ___sys_sendmsg+0xee/0x170 [10182.325806][ T10] __sys_sendmsg+0xcd/0x170 [10182.325806][ T10] do_syscall_64+0xc6/0x1e0 [10182.325806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10182.325806][ T10] [10182.330689][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10182.330689][ T10] netdev_get_by_index+0x5e/0x80 [10182.330689][ T10] fib6_nh_init+0x3d8/0x1580 [10182.330689][ T10] ip6_route_info_create+0xf18/0x17d0 [10182.330689][ T10] addrconf_f6i_alloc+0x315/0x560 [10182.330689][ T10] ipv6_add_addr+0x411/0x2000 [10182.330689][ T10] inet6_addr_add+0x30e/0xa40 [10182.330689][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10182.330689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10182.330689][ T10] netlink_rcv_skb+0x130/0x360 [10182.330689][ T10] netlink_unicast+0x449/0x710 [10182.330689][ T10] netlink_sendmsg+0x723/0xbe0 [10182.330689][ T10] ____sys_sendmsg+0x7b2/0xa10 [10182.330689][ T10] ___sys_sendmsg+0xee/0x170 [10182.330689][ T10] __sys_sendmsg+0xcd/0x170 [10182.330689][ T10] do_syscall_64+0xc6/0x1e0 [10182.330689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10182.330689][ T10] [10182.335792][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10182.335792][ T10] netdev_get_by_index+0x5e/0x80 [10182.335792][ T10] fib6_nh_init+0x3d8/0x1580 [10182.335792][ T10] ip6_route_info_create+0xf18/0x17d0 [10182.335792][ T10] ip6_route_add+0x1c/0x140 [10182.335792][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10182.335792][ T10] addrconf_add_dev+0xe2/0x170 [10182.335792][ T10] inet6_addr_add+0x12f/0xa40 [10182.335792][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10182.335792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10182.335792][ T10] netlink_rcv_skb+0x130/0x360 [10182.335792][ T10] netlink_unicast+0x449/0x710 [10182.335792][ T10] netlink_sendmsg+0x723/0xbe0 [10182.335792][ T10] ____sys_sendmsg+0x7b2/0xa10 [10182.335792][ T10] ___sys_sendmsg+0xee/0x170 [10182.335792][ T10] __sys_sendmsg+0xcd/0x170 [10182.335792][ T10] do_syscall_64+0xc6/0x1e0 [10182.335792][ T10] [10182.340976][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10182.340976][ T10] ipv6_add_dev+0x3ba/0x11c0 [10182.340976][ T10] ipv6_find_idev+0x102/0x170 [10182.340976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10182.340976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10182.340976][ T10] netlink_rcv_skb+0x130/0x360 [10182.340976][ T10] netlink_unicast+0x449/0x710 [10182.340976][ T10] netlink_sendmsg+0x723/0xbe0 [10182.340976][ T10] ____sys_sendmsg+0x7b2/0xa10 [10182.340976][ T10] ___sys_sendmsg+0xee/0x170 [10182.340976][ T10] __sys_sendmsg+0xcd/0x170 [10182.340976][ T10] do_syscall_64+0xc6/0x1e0 [10182.340976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10182.340976][ T10] [10182.345548][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10182.345548][ T10] neigh_parms_alloc+0x1e5/0x510 [10182.345548][ T10] ipv6_add_dev+0x2fe/0x11c0 [10182.345548][ T10] ipv6_find_idev+0x102/0x170 [10182.345548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10182.345548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10182.345548][ T10] netlink_rcv_skb+0x130/0x360 [10182.345548][ T10] netlink_unicast+0x449/0x710 [10182.345548][ T10] netlink_sendmsg+0x723/0xbe0 [10182.345548][ T10] ____sys_sendmsg+0x7b2/0xa10 [10182.345548][ T10] ___sys_sendmsg+0xee/0x170 [10182.345548][ T10] __sys_sendmsg+0xcd/0x170 [10182.345548][ T10] do_syscall_64+0xc6/0x1e0 [10182.345548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10182.345548][ T10] [10182.380629][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10182.381361][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10182.381361][ T10] netdev_get_by_index+0x5e/0x80 [10182.381361][ T10] fib6_nh_init+0x3d8/0x1580 [10182.381361][ T10] ip6_route_info_create+0xf18/0x17d0 [10182.381361][ T10] addrconf_f6i_alloc+0x265/0x560 [10182.381361][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10182.381361][ T10] addrconf_join_anycast+0x1c0/0x220 [10182.381361][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10182.381361][ T10] addrconf_dad_completed+0x12b/0xe20 [10182.381361][ T10] addrconf_dad_begin+0x310/0x670 [10182.381361][ T10] addrconf_dad_work+0x10b/0xab0 [10182.381361][ T10] process_one_work+0x84d/0x18a0 [10182.381361][ T10] worker_thread+0x587/0xd30 [10182.381361][ T10] kthread+0x28a/0x350 [10182.381361][ T10] ret_from_fork+0x31/0x70 [10182.381361][ T10] ret_from_fork_asm+0x1a/0x30 [10182.381361][ T10] [10182.386258][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10182.386258][ T10] netdev_get_by_index+0x5e/0x80 [10182.386258][ T10] fib6_nh_init+0x3d8/0x1580 [10182.386258][ T10] ip6_route_info_create+0xf18/0x17d0 [10182.386258][ T10] ip6_route_add+0x1c/0x140 [10182.386258][ T10] addrconf_prefix_route+0x2a6/0x430 [10182.386258][ T10] inet6_addr_add+0x4f8/0xa40 [10182.386258][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10182.386258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10182.386258][ T10] netlink_rcv_skb+0x130/0x360 [10182.386258][ T10] netlink_unicast+0x449/0x710 [10182.386258][ T10] netlink_sendmsg+0x723/0xbe0 [10182.386258][ T10] ____sys_sendmsg+0x7b2/0xa10 [10182.386258][ T10] ___sys_sendmsg+0xee/0x170 [10182.386258][ T10] __sys_sendmsg+0xcd/0x170 [10182.386258][ T10] do_syscall_64+0xc6/0x1e0 [10182.386258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10182.386258][ T10] [10182.391248][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10182.391248][ T10] netdev_get_by_index+0x5e/0x80 [10182.391248][ T10] fib6_nh_init+0x3d8/0x1580 [10182.391248][ T10] ip6_route_info_create+0xf18/0x17d0 [10182.391248][ T10] addrconf_f6i_alloc+0x315/0x560 [10182.391248][ T10] ipv6_add_addr+0x411/0x2000 [10182.391248][ T10] inet6_addr_add+0x30e/0xa40 [10182.391248][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10182.391248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10182.391248][ T10] netlink_rcv_skb+0x130/0x360 [10182.391248][ T10] netlink_unicast+0x449/0x710 [10182.391248][ T10] netlink_sendmsg+0x723/0xbe0 [10182.391248][ T10] ____sys_sendmsg+0x7b2/0xa10 [10182.391248][ T10] ___sys_sendmsg+0xee/0x170 [10182.391248][ T10] __sys_sendmsg+0xcd/0x170 [10182.391248][ T10] do_syscall_64+0xc6/0x1e0 [10182.391248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10182.391248][ T10] [10182.396046][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10182.396046][ T10] netdev_get_by_index+0x5e/0x80 [10182.396046][ T10] fib6_nh_init+0x3d8/0x1580 [10182.396046][ T10] ip6_route_info_create+0xf18/0x17d0 [10182.396046][ T10] ip6_route_add+0x1c/0x140 [10182.396046][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10182.396046][ T10] addrconf_add_dev+0xe2/0x170 [10182.396046][ T10] inet6_addr_add+0x12f/0xa40 [10182.396046][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10182.396046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10182.396046][ T10] netlink_rcv_skb+0x130/0x360 [10182.396046][ T10] netlink_unicast+0x449/0x710 [10182.396046][ T10] netlink_sendmsg+0x723/0xbe0 [10182.396046][ T10] ____sys_sendmsg+0x7b2/0xa10 [10182.396046][ T10] ___sys_sendmsg+0xee/0x170 [10182.396046][ T10] __sys_sendmsg+0xcd/0x170 [10182.396046][ T10] do_syscall_64+0xc6/0x1e0 [10182.396046][ T10] [10182.413819][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10182.413819][ T10] ipv6_add_dev+0x3ba/0x11c0 [10182.413819][ T10] ipv6_find_idev+0x102/0x170 [10182.413819][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10182.413819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10182.413819][ T10] netlink_rcv_skb+0x130/0x360 [10182.413819][ T10] netlink_unicast+0x449/0x710 [10182.413819][ T10] netlink_sendmsg+0x723/0xbe0 [10182.413819][ T10] ____sys_sendmsg+0x7b2/0xa10 [10182.413819][ T10] ___sys_sendmsg+0xee/0x170 [10182.413819][ T10] __sys_sendmsg+0xcd/0x170 [10182.413819][ T10] do_syscall_64+0xc6/0x1e0 [10182.413819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10182.413819][ T10] [10182.417267][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10182.417267][ T10] neigh_parms_alloc+0x1e5/0x510 [10182.417267][ T10] ipv6_add_dev+0x2fe/0x11c0 [10182.417267][ T10] ipv6_find_idev+0x102/0x170 [10182.417267][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10182.417267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10182.417267][ T10] netlink_rcv_skb+0x130/0x360 [10182.417267][ T10] netlink_unicast+0x449/0x710 [10182.417267][ T10] netlink_sendmsg+0x723/0xbe0 [10182.417267][ T10] ____sys_sendmsg+0x7b2/0xa10 [10182.417267][ T10] ___sys_sendmsg+0xee/0x170 [10182.417267][ T10] __sys_sendmsg+0xcd/0x170 [10182.417267][ T10] do_syscall_64+0xc6/0x1e0 [10182.417267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10182.417267][ T10] [10182.985314][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10183.010777][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10183.010777][ T1167] dst_init+0x84/0x4a0 [10183.010777][ T1167] dst_alloc+0x97/0x150 [10183.010777][ T1167] ip6_dst_alloc+0x23/0x90 [10183.010777][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10183.010777][ T1167] ip6_pol_route+0x56f/0x840 [10183.010777][ T1167] fib6_rule_lookup+0x334/0x630 [10183.010777][ T1167] ip6_route_output_flags+0x259/0x480 [10183.010777][ T1167] inet6_rtm_getroute+0x980/0xf70 [10183.010777][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10183.010777][ T1167] netlink_rcv_skb+0x130/0x360 [10183.010777][ T1167] netlink_unicast+0x449/0x710 [10183.010777][ T1167] netlink_sendmsg+0x723/0xbe0 [10183.010777][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10183.010777][ T1167] ___sys_sendmsg+0xee/0x170 [10183.010777][ T1167] __sys_sendmsg+0xcd/0x170 [10183.010777][ T1167] do_syscall_64+0xc6/0x1e0 [10183.010777][ T1167] [10183.017785][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10183.017785][ T1167] netdev_get_by_index+0x5e/0x80 [10183.017785][ T1167] fib6_nh_init+0x3d8/0x1580 [10183.017785][ T1167] ip6_route_info_create+0xf18/0x17d0 [10183.017785][ T1167] addrconf_f6i_alloc+0x265/0x560 [10183.017785][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10183.017785][ T1167] addrconf_join_anycast+0x1c0/0x220 [10183.017785][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10183.017785][ T1167] addrconf_dad_completed+0x12b/0xe20 [10183.017785][ T1167] addrconf_dad_begin+0x310/0x670 [10183.017785][ T1167] addrconf_dad_work+0x10b/0xab0 [10183.017785][ T1167] process_one_work+0x84d/0x18a0 [10183.017785][ T1167] worker_thread+0x587/0xd30 [10183.017785][ T1167] kthread+0x28a/0x350 [10183.017785][ T1167] ret_from_fork+0x31/0x70 [10183.017785][ T1167] ret_from_fork_asm+0x1a/0x30 [10183.017785][ T1167] [10183.042764][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10183.042764][ T1167] netdev_get_by_index+0x5e/0x80 [10183.042764][ T1167] fib6_nh_init+0x3d8/0x1580 [10183.042764][ T1167] ip6_route_info_create+0xf18/0x17d0 [10183.042764][ T1167] ip6_route_add+0x1c/0x140 [10183.042764][ T1167] addrconf_prefix_route+0x2a6/0x430 [10183.042764][ T1167] inet6_addr_add+0x4f8/0xa40 [10183.042764][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10183.042764][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10183.042764][ T1167] netlink_rcv_skb+0x130/0x360 [10183.042764][ T1167] netlink_unicast+0x449/0x710 [10183.042764][ T1167] netlink_sendmsg+0x723/0xbe0 [10183.042764][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10183.042764][ T1167] ___sys_sendmsg+0xee/0x170 [10183.042764][ T1167] __sys_sendmsg+0xcd/0x170 [10183.042764][ T1167] do_syscall_64+0xc6/0x1e0 [10183.042764][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10183.042764][ T1167] [10183.049246][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10183.049246][ T1167] netdev_get_by_index+0x5e/0x80 [10183.049246][ T1167] fib6_nh_init+0x3d8/0x1580 [10183.049246][ T1167] ip6_route_info_create+0xf18/0x17d0 [10183.049246][ T1167] addrconf_f6i_alloc+0x315/0x560 [10183.049246][ T1167] ipv6_add_addr+0x411/0x2000 [10183.049246][ T1167] inet6_addr_add+0x30e/0xa40 [10183.049246][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10183.049246][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10183.049246][ T1167] netlink_rcv_skb+0x130/0x360 [10183.049246][ T1167] netlink_unicast+0x449/0x710 [10183.049246][ T1167] netlink_sendmsg+0x723/0xbe0 [10183.049246][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10183.049246][ T1167] ___sys_sendmsg+0xee/0x170 [10183.049246][ T1167] __sys_sendmsg+0xcd/0x170 [10183.049246][ T1167] do_syscall_64+0xc6/0x1e0 [10183.049246][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10183.049246][ T1167] [10183.065052][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10183.065052][ T1167] netdev_get_by_index+0x5e/0x80 [10183.065052][ T1167] fib6_nh_init+0x3d8/0x1580 [10183.065052][ T1167] ip6_route_info_create+0xf18/0x17d0 [10183.065052][ T1167] ip6_route_add+0x1c/0x140 [10183.065052][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10183.065052][ T1167] addrconf_add_dev+0xe2/0x170 [10183.065052][ T1167] inet6_addr_add+0x12f/0xa40 [10183.065052][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10183.065052][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10183.065052][ T1167] netlink_rcv_skb+0x130/0x360 [10183.065052][ T1167] netlink_unicast+0x449/0x710 [10183.065052][ T1167] netlink_sendmsg+0x723/0xbe0 [10183.065052][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10183.065052][ T1167] ___sys_sendmsg+0xee/0x170 [10183.065052][ T1167] __sys_sendmsg+0xcd/0x170 [10183.065052][ T1167] do_syscall_64+0xc6/0x1e0 [10183.065052][ T1167] [10183.085049][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10183.085049][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10183.085049][ T1167] ipv6_find_idev+0x102/0x170 [10183.085049][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10183.085049][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10183.085049][ T1167] netlink_rcv_skb+0x130/0x360 [10183.085049][ T1167] netlink_unicast+0x449/0x710 [10183.085049][ T1167] netlink_sendmsg+0x723/0xbe0 [10183.085049][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10183.085049][ T1167] ___sys_sendmsg+0xee/0x170 [10183.085049][ T1167] __sys_sendmsg+0xcd/0x170 [10183.085049][ T1167] do_syscall_64+0xc6/0x1e0 [10183.085049][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10183.085049][ T1167] [10183.101992][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10183.101992][ T1167] neigh_parms_alloc+0x1e5/0x510 [10183.101992][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10183.101992][ T1167] ipv6_find_idev+0x102/0x170 [10183.101992][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10183.101992][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10183.101992][ T1167] netlink_rcv_skb+0x130/0x360 [10183.101992][ T1167] netlink_unicast+0x449/0x710 [10183.101992][ T1167] netlink_sendmsg+0x723/0xbe0 [10183.101992][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10183.101992][ T1167] ___sys_sendmsg+0xee/0x170 [10183.101992][ T1167] __sys_sendmsg+0xcd/0x170 [10183.101992][ T1167] do_syscall_64+0xc6/0x1e0 [10183.101992][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10183.101992][ T1167] [10192.681202][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10192.711322][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10192.711322][ T10] netdev_get_by_index+0x5e/0x80 [10192.711322][ T10] fib6_nh_init+0x3d8/0x1580 [10192.711322][ T10] ip6_route_info_create+0xf18/0x17d0 [10192.711322][ T10] addrconf_f6i_alloc+0x265/0x560 [10192.711322][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10192.711322][ T10] addrconf_join_anycast+0x1c0/0x220 [10192.711322][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10192.711322][ T10] addrconf_dad_completed+0x12b/0xe20 [10192.711322][ T10] addrconf_dad_begin+0x310/0x670 [10192.711322][ T10] addrconf_dad_work+0x10b/0xab0 [10192.711322][ T10] process_one_work+0x84d/0x18a0 [10192.711322][ T10] worker_thread+0x587/0xd30 [10192.711322][ T10] kthread+0x28a/0x350 [10192.711322][ T10] ret_from_fork+0x31/0x70 [10192.711322][ T10] ret_from_fork_asm+0x1a/0x30 [10192.711322][ T10] [10192.741665][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10192.741665][ T10] netdev_get_by_index+0x5e/0x80 [10192.741665][ T10] fib6_nh_init+0x3d8/0x1580 [10192.741665][ T10] ip6_route_info_create+0xf18/0x17d0 [10192.741665][ T10] ip6_route_add+0x1c/0x140 [10192.741665][ T10] addrconf_prefix_route+0x2a6/0x430 [10192.741665][ T10] inet6_addr_add+0x4f8/0xa40 [10192.741665][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10192.741665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10192.741665][ T10] netlink_rcv_skb+0x130/0x360 [10192.741665][ T10] netlink_unicast+0x449/0x710 [10192.741665][ T10] netlink_sendmsg+0x723/0xbe0 [10192.741665][ T10] ____sys_sendmsg+0x7b2/0xa10 [10192.741665][ T10] ___sys_sendmsg+0xee/0x170 [10192.741665][ T10] __sys_sendmsg+0xcd/0x170 [10192.741665][ T10] do_syscall_64+0xc6/0x1e0 [10192.741665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10192.741665][ T10] [10192.746276][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10192.746276][ T10] netdev_get_by_index+0x5e/0x80 [10192.746276][ T10] fib6_nh_init+0x3d8/0x1580 [10192.746276][ T10] ip6_route_info_create+0xf18/0x17d0 [10192.746276][ T10] addrconf_f6i_alloc+0x315/0x560 [10192.746276][ T10] ipv6_add_addr+0x411/0x2000 [10192.746276][ T10] inet6_addr_add+0x30e/0xa40 [10192.746276][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10192.746276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10192.746276][ T10] netlink_rcv_skb+0x130/0x360 [10192.746276][ T10] netlink_unicast+0x449/0x710 [10192.746276][ T10] netlink_sendmsg+0x723/0xbe0 [10192.746276][ T10] ____sys_sendmsg+0x7b2/0xa10 [10192.746276][ T10] ___sys_sendmsg+0xee/0x170 [10192.746276][ T10] __sys_sendmsg+0xcd/0x170 [10192.746276][ T10] do_syscall_64+0xc6/0x1e0 [10192.746276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10192.746276][ T10] [10192.771438][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10192.771438][ T10] netdev_get_by_index+0x5e/0x80 [10192.771438][ T10] fib6_nh_init+0x3d8/0x1580 [10192.771438][ T10] ip6_route_info_create+0xf18/0x17d0 [10192.771438][ T10] ip6_route_add+0x1c/0x140 [10192.771438][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10192.771438][ T10] addrconf_add_dev+0xe2/0x170 [10192.771438][ T10] inet6_addr_add+0x12f/0xa40 [10192.771438][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10192.771438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10192.771438][ T10] netlink_rcv_skb+0x130/0x360 [10192.771438][ T10] netlink_unicast+0x449/0x710 [10192.771438][ T10] netlink_sendmsg+0x723/0xbe0 [10192.771438][ T10] ____sys_sendmsg+0x7b2/0xa10 [10192.771438][ T10] ___sys_sendmsg+0xee/0x170 [10192.771438][ T10] __sys_sendmsg+0xcd/0x170 [10192.771438][ T10] do_syscall_64+0xc6/0x1e0 [10192.771438][ T10] [10192.791847][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10192.791847][ T10] ipv6_add_dev+0x3ba/0x11c0 [10192.791847][ T10] ipv6_find_idev+0x102/0x170 [10192.791847][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10192.791847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10192.791847][ T10] netlink_rcv_skb+0x130/0x360 [10192.791847][ T10] netlink_unicast+0x449/0x710 [10192.791847][ T10] netlink_sendmsg+0x723/0xbe0 [10192.791847][ T10] ____sys_sendmsg+0x7b2/0xa10 [10192.791847][ T10] ___sys_sendmsg+0xee/0x170 [10192.791847][ T10] __sys_sendmsg+0xcd/0x170 [10192.791847][ T10] do_syscall_64+0xc6/0x1e0 [10192.791847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10192.791847][ T10] [10192.795323][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10192.795323][ T10] neigh_parms_alloc+0x1e5/0x510 [10192.795323][ T10] ipv6_add_dev+0x2fe/0x11c0 [10192.795323][ T10] ipv6_find_idev+0x102/0x170 [10192.795323][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10192.795323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10192.795323][ T10] netlink_rcv_skb+0x130/0x360 [10192.795323][ T10] netlink_unicast+0x449/0x710 [10192.795323][ T10] netlink_sendmsg+0x723/0xbe0 [10192.795323][ T10] ____sys_sendmsg+0x7b2/0xa10 [10192.795323][ T10] ___sys_sendmsg+0xee/0x170 [10192.795323][ T10] __sys_sendmsg+0xcd/0x170 [10192.795323][ T10] do_syscall_64+0xc6/0x1e0 [10192.795323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10192.795323][ T10] [10192.820507][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10192.821394][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10192.821394][ T10] netdev_get_by_index+0x5e/0x80 [10192.821394][ T10] fib6_nh_init+0x3d8/0x1580 [10192.821394][ T10] ip6_route_info_create+0xf18/0x17d0 [10192.821394][ T10] addrconf_f6i_alloc+0x265/0x560 [10192.821394][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10192.821394][ T10] addrconf_join_anycast+0x1c0/0x220 [10192.821394][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10192.821394][ T10] addrconf_dad_completed+0x12b/0xe20 [10192.821394][ T10] addrconf_dad_begin+0x310/0x670 [10192.821394][ T10] addrconf_dad_work+0x10b/0xab0 [10192.821394][ T10] process_one_work+0x84d/0x18a0 [10192.821394][ T10] worker_thread+0x587/0xd30 [10192.821394][ T10] kthread+0x28a/0x350 [10192.821394][ T10] ret_from_fork+0x31/0x70 [10192.821394][ T10] ret_from_fork_asm+0x1a/0x30 [10192.821394][ T10] [10192.834280][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10192.834280][ T10] netdev_get_by_index+0x5e/0x80 [10192.834280][ T10] fib6_nh_init+0x3d8/0x1580 [10192.834280][ T10] ip6_route_info_create+0xf18/0x17d0 [10192.834280][ T10] ip6_route_add+0x1c/0x140 [10192.834280][ T10] addrconf_prefix_route+0x2a6/0x430 [10192.834280][ T10] inet6_addr_add+0x4f8/0xa40 [10192.834280][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10192.834280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10192.834280][ T10] netlink_rcv_skb+0x130/0x360 [10192.834280][ T10] netlink_unicast+0x449/0x710 [10192.834280][ T10] netlink_sendmsg+0x723/0xbe0 [10192.834280][ T10] ____sys_sendmsg+0x7b2/0xa10 [10192.834280][ T10] ___sys_sendmsg+0xee/0x170 [10192.834280][ T10] __sys_sendmsg+0xcd/0x170 [10192.834280][ T10] do_syscall_64+0xc6/0x1e0 [10192.834280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10192.834280][ T10] [10192.838923][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10192.838923][ T10] netdev_get_by_index+0x5e/0x80 [10192.838923][ T10] fib6_nh_init+0x3d8/0x1580 [10192.838923][ T10] ip6_route_info_create+0xf18/0x17d0 [10192.838923][ T10] addrconf_f6i_alloc+0x315/0x560 [10192.838923][ T10] ipv6_add_addr+0x411/0x2000 [10192.838923][ T10] inet6_addr_add+0x30e/0xa40 [10192.838923][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10192.838923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10192.838923][ T10] netlink_rcv_skb+0x130/0x360 [10192.838923][ T10] netlink_unicast+0x449/0x710 [10192.838923][ T10] netlink_sendmsg+0x723/0xbe0 [10192.838923][ T10] ____sys_sendmsg+0x7b2/0xa10 [10192.838923][ T10] ___sys_sendmsg+0xee/0x170 [10192.838923][ T10] __sys_sendmsg+0xcd/0x170 [10192.838923][ T10] do_syscall_64+0xc6/0x1e0 [10192.838923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10192.838923][ T10] [10192.861204][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10192.861204][ T10] netdev_get_by_index+0x5e/0x80 [10192.861204][ T10] fib6_nh_init+0x3d8/0x1580 [10192.861204][ T10] ip6_route_info_create+0xf18/0x17d0 [10192.861204][ T10] ip6_route_add+0x1c/0x140 [10192.861204][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10192.861204][ T10] addrconf_add_dev+0xe2/0x170 [10192.861204][ T10] inet6_addr_add+0x12f/0xa40 [10192.861204][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10192.861204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10192.861204][ T10] netlink_rcv_skb+0x130/0x360 [10192.861204][ T10] netlink_unicast+0x449/0x710 [10192.861204][ T10] netlink_sendmsg+0x723/0xbe0 [10192.861204][ T10] ____sys_sendmsg+0x7b2/0xa10 [10192.861204][ T10] ___sys_sendmsg+0xee/0x170 [10192.861204][ T10] __sys_sendmsg+0xcd/0x170 [10192.861204][ T10] do_syscall_64+0xc6/0x1e0 [10192.861204][ T10] [10192.865635][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10192.865635][ T10] ipv6_add_dev+0x3ba/0x11c0 [10192.865635][ T10] ipv6_find_idev+0x102/0x170 [10192.865635][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10192.865635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10192.865635][ T10] netlink_rcv_skb+0x130/0x360 [10192.865635][ T10] netlink_unicast+0x449/0x710 [10192.865635][ T10] netlink_sendmsg+0x723/0xbe0 [10192.865635][ T10] ____sys_sendmsg+0x7b2/0xa10 [10192.865635][ T10] ___sys_sendmsg+0xee/0x170 [10192.865635][ T10] __sys_sendmsg+0xcd/0x170 [10192.865635][ T10] do_syscall_64+0xc6/0x1e0 [10192.865635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10192.865635][ T10] [10192.869057][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10192.869057][ T10] neigh_parms_alloc+0x1e5/0x510 [10192.869057][ T10] ipv6_add_dev+0x2fe/0x11c0 [10192.869057][ T10] ipv6_find_idev+0x102/0x170 [10192.869057][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10192.869057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10192.869057][ T10] netlink_rcv_skb+0x130/0x360 [10192.869057][ T10] netlink_unicast+0x449/0x710 [10192.869057][ T10] netlink_sendmsg+0x723/0xbe0 [10192.869057][ T10] ____sys_sendmsg+0x7b2/0xa10 [10192.869057][ T10] ___sys_sendmsg+0xee/0x170 [10192.869057][ T10] __sys_sendmsg+0xcd/0x170 [10192.869057][ T10] do_syscall_64+0xc6/0x1e0 [10192.869057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10192.869057][ T10] [10192.900523][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10192.901360][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10192.901360][ T10] netdev_get_by_index+0x5e/0x80 [10192.901360][ T10] fib6_nh_init+0x3d8/0x1580 [10192.901360][ T10] ip6_route_info_create+0xf18/0x17d0 [10192.901360][ T10] addrconf_f6i_alloc+0x265/0x560 [10192.901360][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10192.901360][ T10] addrconf_join_anycast+0x1c0/0x220 [10192.901360][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10192.901360][ T10] addrconf_dad_completed+0x12b/0xe20 [10192.901360][ T10] addrconf_dad_begin+0x310/0x670 [10192.901360][ T10] addrconf_dad_work+0x10b/0xab0 [10192.901360][ T10] process_one_work+0x84d/0x18a0 [10192.901360][ T10] worker_thread+0x587/0xd30 [10192.901360][ T10] kthread+0x28a/0x350 [10192.901360][ T10] ret_from_fork+0x31/0x70 [10192.901360][ T10] ret_from_fork_asm+0x1a/0x30 [10192.901360][ T10] [10192.912971][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10192.912971][ T10] netdev_get_by_index+0x5e/0x80 [10192.912971][ T10] fib6_nh_init+0x3d8/0x1580 [10192.912971][ T10] ip6_route_info_create+0xf18/0x17d0 [10192.912971][ T10] ip6_route_add+0x1c/0x140 [10192.912971][ T10] addrconf_prefix_route+0x2a6/0x430 [10192.912971][ T10] inet6_addr_add+0x4f8/0xa40 [10192.912971][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10192.912971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10192.912971][ T10] netlink_rcv_skb+0x130/0x360 [10192.912971][ T10] netlink_unicast+0x449/0x710 [10192.912971][ T10] netlink_sendmsg+0x723/0xbe0 [10192.912971][ T10] ____sys_sendmsg+0x7b2/0xa10 [10192.912971][ T10] ___sys_sendmsg+0xee/0x170 [10192.912971][ T10] __sys_sendmsg+0xcd/0x170 [10192.912971][ T10] do_syscall_64+0xc6/0x1e0 [10192.912971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10192.912971][ T10] [10192.917884][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10192.917884][ T10] netdev_get_by_index+0x5e/0x80 [10192.917884][ T10] fib6_nh_init+0x3d8/0x1580 [10192.917884][ T10] ip6_route_info_create+0xf18/0x17d0 [10192.917884][ T10] addrconf_f6i_alloc+0x315/0x560 [10192.917884][ T10] ipv6_add_addr+0x411/0x2000 [10192.917884][ T10] inet6_addr_add+0x30e/0xa40 [10192.917884][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10192.917884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10192.917884][ T10] netlink_rcv_skb+0x130/0x360 [10192.917884][ T10] netlink_unicast+0x449/0x710 [10192.917884][ T10] netlink_sendmsg+0x723/0xbe0 [10192.917884][ T10] ____sys_sendmsg+0x7b2/0xa10 [10192.917884][ T10] ___sys_sendmsg+0xee/0x170 [10192.917884][ T10] __sys_sendmsg+0xcd/0x170 [10192.917884][ T10] do_syscall_64+0xc6/0x1e0 [10192.917884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10192.917884][ T10] [10192.943159][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10192.943159][ T10] netdev_get_by_index+0x5e/0x80 [10192.943159][ T10] fib6_nh_init+0x3d8/0x1580 [10192.943159][ T10] ip6_route_info_create+0xf18/0x17d0 [10192.943159][ T10] ip6_route_add+0x1c/0x140 [10192.943159][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10192.943159][ T10] addrconf_add_dev+0xe2/0x170 [10192.943159][ T10] inet6_addr_add+0x12f/0xa40 [10192.943159][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10192.943159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10192.943159][ T10] netlink_rcv_skb+0x130/0x360 [10192.943159][ T10] netlink_unicast+0x449/0x710 [10192.943159][ T10] netlink_sendmsg+0x723/0xbe0 [10192.943159][ T10] ____sys_sendmsg+0x7b2/0xa10 [10192.943159][ T10] ___sys_sendmsg+0xee/0x170 [10192.943159][ T10] __sys_sendmsg+0xcd/0x170 [10192.943159][ T10] do_syscall_64+0xc6/0x1e0 [10192.943159][ T10] [10192.947911][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10192.947911][ T10] ipv6_add_dev+0x3ba/0x11c0 [10192.947911][ T10] ipv6_find_idev+0x102/0x170 [10192.947911][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10192.947911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10192.947911][ T10] netlink_rcv_skb+0x130/0x360 [10192.947911][ T10] netlink_unicast+0x449/0x710 [10192.947911][ T10] netlink_sendmsg+0x723/0xbe0 [10192.947911][ T10] ____sys_sendmsg+0x7b2/0xa10 [10192.947911][ T10] ___sys_sendmsg+0xee/0x170 [10192.947911][ T10] __sys_sendmsg+0xcd/0x170 [10192.947911][ T10] do_syscall_64+0xc6/0x1e0 [10192.947911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10192.947911][ T10] [10192.951729][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10192.951729][ T10] neigh_parms_alloc+0x1e5/0x510 [10192.951729][ T10] ipv6_add_dev+0x2fe/0x11c0 [10192.951729][ T10] ipv6_find_idev+0x102/0x170 [10192.951729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10192.951729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10192.951729][ T10] netlink_rcv_skb+0x130/0x360 [10192.951729][ T10] netlink_unicast+0x449/0x710 [10192.951729][ T10] netlink_sendmsg+0x723/0xbe0 [10192.951729][ T10] ____sys_sendmsg+0x7b2/0xa10 [10192.951729][ T10] ___sys_sendmsg+0xee/0x170 [10192.951729][ T10] __sys_sendmsg+0xcd/0x170 [10192.951729][ T10] do_syscall_64+0xc6/0x1e0 [10192.951729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10192.951729][ T10] [10193.000674][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10193.001419][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10193.001419][ T10] netdev_get_by_index+0x5e/0x80 [10193.001419][ T10] fib6_nh_init+0x3d8/0x1580 [10193.001419][ T10] ip6_route_info_create+0xf18/0x17d0 [10193.001419][ T10] addrconf_f6i_alloc+0x265/0x560 [10193.001419][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10193.001419][ T10] addrconf_join_anycast+0x1c0/0x220 [10193.001419][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10193.001419][ T10] addrconf_dad_completed+0x12b/0xe20 [10193.001419][ T10] addrconf_dad_begin+0x310/0x670 [10193.001419][ T10] addrconf_dad_work+0x10b/0xab0 [10193.001419][ T10] process_one_work+0x84d/0x18a0 [10193.001419][ T10] worker_thread+0x587/0xd30 [10193.001419][ T10] kthread+0x28a/0x350 [10193.001419][ T10] ret_from_fork+0x31/0x70 [10193.001419][ T10] ret_from_fork_asm+0x1a/0x30 [10193.001419][ T10] [10193.006321][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10193.006321][ T10] netdev_get_by_index+0x5e/0x80 [10193.006321][ T10] fib6_nh_init+0x3d8/0x1580 [10193.006321][ T10] ip6_route_info_create+0xf18/0x17d0 [10193.006321][ T10] ip6_route_add+0x1c/0x140 [10193.006321][ T10] addrconf_prefix_route+0x2a6/0x430 [10193.006321][ T10] inet6_addr_add+0x4f8/0xa40 [10193.006321][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10193.006321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10193.006321][ T10] netlink_rcv_skb+0x130/0x360 [10193.006321][ T10] netlink_unicast+0x449/0x710 [10193.006321][ T10] netlink_sendmsg+0x723/0xbe0 [10193.006321][ T10] ____sys_sendmsg+0x7b2/0xa10 [10193.006321][ T10] ___sys_sendmsg+0xee/0x170 [10193.006321][ T10] __sys_sendmsg+0xcd/0x170 [10193.006321][ T10] do_syscall_64+0xc6/0x1e0 [10193.006321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10193.006321][ T10] [10193.030796][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10193.030796][ T10] netdev_get_by_index+0x5e/0x80 [10193.030796][ T10] fib6_nh_init+0x3d8/0x1580 [10193.030796][ T10] ip6_route_info_create+0xf18/0x17d0 [10193.030796][ T10] addrconf_f6i_alloc+0x315/0x560 [10193.030796][ T10] ipv6_add_addr+0x411/0x2000 [10193.030796][ T10] inet6_addr_add+0x30e/0xa40 [10193.030796][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10193.030796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10193.030796][ T10] netlink_rcv_skb+0x130/0x360 [10193.030796][ T10] netlink_unicast+0x449/0x710 [10193.030796][ T10] netlink_sendmsg+0x723/0xbe0 [10193.030796][ T10] ____sys_sendmsg+0x7b2/0xa10 [10193.030796][ T10] ___sys_sendmsg+0xee/0x170 [10193.030796][ T10] __sys_sendmsg+0xcd/0x170 [10193.030796][ T10] do_syscall_64+0xc6/0x1e0 [10193.030796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10193.030796][ T10] [10193.035929][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10193.035929][ T10] netdev_get_by_index+0x5e/0x80 [10193.035929][ T10] fib6_nh_init+0x3d8/0x1580 [10193.035929][ T10] ip6_route_info_create+0xf18/0x17d0 [10193.035929][ T10] ip6_route_add+0x1c/0x140 [10193.035929][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10193.035929][ T10] addrconf_add_dev+0xe2/0x170 [10193.035929][ T10] inet6_addr_add+0x12f/0xa40 [10193.035929][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10193.035929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10193.035929][ T10] netlink_rcv_skb+0x130/0x360 [10193.035929][ T10] netlink_unicast+0x449/0x710 [10193.035929][ T10] netlink_sendmsg+0x723/0xbe0 [10193.035929][ T10] ____sys_sendmsg+0x7b2/0xa10 [10193.035929][ T10] ___sys_sendmsg+0xee/0x170 [10193.035929][ T10] __sys_sendmsg+0xcd/0x170 [10193.035929][ T10] do_syscall_64+0xc6/0x1e0 [10193.035929][ T10] [10193.054508][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10193.054508][ T10] ipv6_add_dev+0x3ba/0x11c0 [10193.054508][ T10] ipv6_find_idev+0x102/0x170 [10193.054508][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10193.054508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10193.054508][ T10] netlink_rcv_skb+0x130/0x360 [10193.054508][ T10] netlink_unicast+0x449/0x710 [10193.054508][ T10] netlink_sendmsg+0x723/0xbe0 [10193.054508][ T10] ____sys_sendmsg+0x7b2/0xa10 [10193.054508][ T10] ___sys_sendmsg+0xee/0x170 [10193.054508][ T10] __sys_sendmsg+0xcd/0x170 [10193.054508][ T10] do_syscall_64+0xc6/0x1e0 [10193.054508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10193.054508][ T10] [10193.058310][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10193.058310][ T10] neigh_parms_alloc+0x1e5/0x510 [10193.058310][ T10] ipv6_add_dev+0x2fe/0x11c0 [10193.058310][ T10] ipv6_find_idev+0x102/0x170 [10193.058310][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10193.058310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10193.058310][ T10] netlink_rcv_skb+0x130/0x360 [10193.058310][ T10] netlink_unicast+0x449/0x710 [10193.058310][ T10] netlink_sendmsg+0x723/0xbe0 [10193.058310][ T10] ____sys_sendmsg+0x7b2/0xa10 [10193.058310][ T10] ___sys_sendmsg+0xee/0x170 [10193.058310][ T10] __sys_sendmsg+0xcd/0x170 [10193.058310][ T10] do_syscall_64+0xc6/0x1e0 [10193.058310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10193.058310][ T10] [10193.345362][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10193.390873][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10193.390873][ T1167] dst_init+0x84/0x4a0 [10193.390873][ T1167] dst_alloc+0x97/0x150 [10193.390873][ T1167] ip6_dst_alloc+0x23/0x90 [10193.390873][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10193.390873][ T1167] ip6_pol_route+0x56f/0x840 [10193.390873][ T1167] fib6_rule_lookup+0x334/0x630 [10193.390873][ T1167] ip6_route_output_flags+0x259/0x480 [10193.390873][ T1167] inet6_rtm_getroute+0x980/0xf70 [10193.390873][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10193.390873][ T1167] netlink_rcv_skb+0x130/0x360 [10193.390873][ T1167] netlink_unicast+0x449/0x710 [10193.390873][ T1167] netlink_sendmsg+0x723/0xbe0 [10193.390873][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10193.390873][ T1167] ___sys_sendmsg+0xee/0x170 [10193.390873][ T1167] __sys_sendmsg+0xcd/0x170 [10193.390873][ T1167] do_syscall_64+0xc6/0x1e0 [10193.390873][ T1167] [10193.397868][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10193.397868][ T1167] netdev_get_by_index+0x5e/0x80 [10193.397868][ T1167] fib6_nh_init+0x3d8/0x1580 [10193.397868][ T1167] ip6_route_info_create+0xf18/0x17d0 [10193.397868][ T1167] addrconf_f6i_alloc+0x265/0x560 [10193.397868][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10193.397868][ T1167] addrconf_join_anycast+0x1c0/0x220 [10193.397868][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10193.397868][ T1167] addrconf_dad_completed+0x12b/0xe20 [10193.397868][ T1167] addrconf_dad_begin+0x310/0x670 [10193.397868][ T1167] addrconf_dad_work+0x10b/0xab0 [10193.397868][ T1167] process_one_work+0x84d/0x18a0 [10193.397868][ T1167] worker_thread+0x587/0xd30 [10193.397868][ T1167] kthread+0x28a/0x350 [10193.397868][ T1167] ret_from_fork+0x31/0x70 [10193.397868][ T1167] ret_from_fork_asm+0x1a/0x30 [10193.397868][ T1167] [10193.404440][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10193.404440][ T1167] netdev_get_by_index+0x5e/0x80 [10193.404440][ T1167] fib6_nh_init+0x3d8/0x1580 [10193.404440][ T1167] ip6_route_info_create+0xf18/0x17d0 [10193.404440][ T1167] ip6_route_add+0x1c/0x140 [10193.404440][ T1167] addrconf_prefix_route+0x2a6/0x430 [10193.404440][ T1167] inet6_addr_add+0x4f8/0xa40 [10193.404440][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10193.404440][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10193.404440][ T1167] netlink_rcv_skb+0x130/0x360 [10193.404440][ T1167] netlink_unicast+0x449/0x710 [10193.404440][ T1167] netlink_sendmsg+0x723/0xbe0 [10193.404440][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10193.404440][ T1167] ___sys_sendmsg+0xee/0x170 [10193.404440][ T1167] __sys_sendmsg+0xcd/0x170 [10193.404440][ T1167] do_syscall_64+0xc6/0x1e0 [10193.404440][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10193.404440][ T1167] [10193.411290][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10193.411290][ T1167] netdev_get_by_index+0x5e/0x80 [10193.411290][ T1167] fib6_nh_init+0x3d8/0x1580 [10193.411290][ T1167] ip6_route_info_create+0xf18/0x17d0 [10193.411290][ T1167] addrconf_f6i_alloc+0x315/0x560 [10193.411290][ T1167] ipv6_add_addr+0x411/0x2000 [10193.411290][ T1167] inet6_addr_add+0x30e/0xa40 [10193.411290][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10193.411290][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10193.411290][ T1167] netlink_rcv_skb+0x130/0x360 [10193.411290][ T1167] netlink_unicast+0x449/0x710 [10193.411290][ T1167] netlink_sendmsg+0x723/0xbe0 [10193.411290][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10193.411290][ T1167] ___sys_sendmsg+0xee/0x170 [10193.411290][ T1167] __sys_sendmsg+0xcd/0x170 [10193.411290][ T1167] do_syscall_64+0xc6/0x1e0 [10193.411290][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10193.411290][ T1167] [10193.418051][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10193.418051][ T1167] netdev_get_by_index+0x5e/0x80 [10193.418051][ T1167] fib6_nh_init+0x3d8/0x1580 [10193.418051][ T1167] ip6_route_info_create+0xf18/0x17d0 [10193.418051][ T1167] ip6_route_add+0x1c/0x140 [10193.418051][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10193.418051][ T1167] addrconf_add_dev+0xe2/0x170 [10193.418051][ T1167] inet6_addr_add+0x12f/0xa40 [10193.418051][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10193.418051][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10193.418051][ T1167] netlink_rcv_skb+0x130/0x360 [10193.418051][ T1167] netlink_unicast+0x449/0x710 [10193.418051][ T1167] netlink_sendmsg+0x723/0xbe0 [10193.418051][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10193.418051][ T1167] ___sys_sendmsg+0xee/0x170 [10193.418051][ T1167] __sys_sendmsg+0xcd/0x170 [10193.418051][ T1167] do_syscall_64+0xc6/0x1e0 [10193.418051][ T1167] [10193.444949][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10193.444949][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10193.444949][ T1167] ipv6_find_idev+0x102/0x170 [10193.444949][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10193.444949][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10193.444949][ T1167] netlink_rcv_skb+0x130/0x360 [10193.444949][ T1167] netlink_unicast+0x449/0x710 [10193.444949][ T1167] netlink_sendmsg+0x723/0xbe0 [10193.444949][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10193.444949][ T1167] ___sys_sendmsg+0xee/0x170 [10193.444949][ T1167] __sys_sendmsg+0xcd/0x170 [10193.444949][ T1167] do_syscall_64+0xc6/0x1e0 [10193.444949][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10193.444949][ T1167] [10193.450116][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10193.450116][ T1167] neigh_parms_alloc+0x1e5/0x510 [10193.450116][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10193.450116][ T1167] ipv6_find_idev+0x102/0x170 [10193.450116][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10193.450116][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10193.450116][ T1167] netlink_rcv_skb+0x130/0x360 [10193.450116][ T1167] netlink_unicast+0x449/0x710 [10193.450116][ T1167] netlink_sendmsg+0x723/0xbe0 [10193.450116][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10193.450116][ T1167] ___sys_sendmsg+0xee/0x170 [10193.450116][ T1167] __sys_sendmsg+0xcd/0x170 [10193.450116][ T1167] do_syscall_64+0xc6/0x1e0 [10193.450116][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10193.450116][ T1167] [10203.113239][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10203.140727][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10203.140727][ T10] netdev_get_by_index+0x5e/0x80 [10203.140727][ T10] fib6_nh_init+0x3d8/0x1580 [10203.140727][ T10] ip6_route_info_create+0xf18/0x17d0 [10203.140727][ T10] addrconf_f6i_alloc+0x265/0x560 [10203.140727][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10203.140727][ T10] addrconf_join_anycast+0x1c0/0x220 [10203.140727][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10203.140727][ T10] addrconf_dad_completed+0x12b/0xe20 [10203.140727][ T10] addrconf_dad_begin+0x310/0x670 [10203.140727][ T10] addrconf_dad_work+0x10b/0xab0 [10203.140727][ T10] process_one_work+0x84d/0x18a0 [10203.140727][ T10] worker_thread+0x587/0xd30 [10203.140727][ T10] kthread+0x28a/0x350 [10203.140727][ T10] ret_from_fork+0x31/0x70 [10203.140727][ T10] ret_from_fork_asm+0x1a/0x30 [10203.140727][ T10] [10203.162913][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10203.162913][ T10] netdev_get_by_index+0x5e/0x80 [10203.162913][ T10] fib6_nh_init+0x3d8/0x1580 [10203.162913][ T10] ip6_route_info_create+0xf18/0x17d0 [10203.162913][ T10] ip6_route_add+0x1c/0x140 [10203.162913][ T10] addrconf_prefix_route+0x2a6/0x430 [10203.162913][ T10] inet6_addr_add+0x4f8/0xa40 [10203.162913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10203.162913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10203.162913][ T10] netlink_rcv_skb+0x130/0x360 [10203.162913][ T10] netlink_unicast+0x449/0x710 [10203.162913][ T10] netlink_sendmsg+0x723/0xbe0 [10203.162913][ T10] ____sys_sendmsg+0x7b2/0xa10 [10203.162913][ T10] ___sys_sendmsg+0xee/0x170 [10203.162913][ T10] __sys_sendmsg+0xcd/0x170 [10203.162913][ T10] do_syscall_64+0xc6/0x1e0 [10203.162913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10203.162913][ T10] [10203.175788][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10203.175788][ T10] netdev_get_by_index+0x5e/0x80 [10203.175788][ T10] fib6_nh_init+0x3d8/0x1580 [10203.175788][ T10] ip6_route_info_create+0xf18/0x17d0 [10203.175788][ T10] addrconf_f6i_alloc+0x315/0x560 [10203.175788][ T10] ipv6_add_addr+0x411/0x2000 [10203.175788][ T10] inet6_addr_add+0x30e/0xa40 [10203.175788][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10203.175788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10203.175788][ T10] netlink_rcv_skb+0x130/0x360 [10203.175788][ T10] netlink_unicast+0x449/0x710 [10203.175788][ T10] netlink_sendmsg+0x723/0xbe0 [10203.175788][ T10] ____sys_sendmsg+0x7b2/0xa10 [10203.175788][ T10] ___sys_sendmsg+0xee/0x170 [10203.175788][ T10] __sys_sendmsg+0xcd/0x170 [10203.175788][ T10] do_syscall_64+0xc6/0x1e0 [10203.175788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10203.175788][ T10] [10203.181493][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10203.181493][ T10] netdev_get_by_index+0x5e/0x80 [10203.181493][ T10] fib6_nh_init+0x3d8/0x1580 [10203.181493][ T10] ip6_route_info_create+0xf18/0x17d0 [10203.181493][ T10] ip6_route_add+0x1c/0x140 [10203.181493][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10203.181493][ T10] addrconf_add_dev+0xe2/0x170 [10203.181493][ T10] inet6_addr_add+0x12f/0xa40 [10203.181493][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10203.181493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10203.181493][ T10] netlink_rcv_skb+0x130/0x360 [10203.181493][ T10] netlink_unicast+0x449/0x710 [10203.181493][ T10] netlink_sendmsg+0x723/0xbe0 [10203.181493][ T10] ____sys_sendmsg+0x7b2/0xa10 [10203.181493][ T10] ___sys_sendmsg+0xee/0x170 [10203.181493][ T10] __sys_sendmsg+0xcd/0x170 [10203.181493][ T10] do_syscall_64+0xc6/0x1e0 [10203.181493][ T10] [10203.205321][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10203.205321][ T10] ipv6_add_dev+0x3ba/0x11c0 [10203.205321][ T10] ipv6_find_idev+0x102/0x170 [10203.205321][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10203.205321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10203.205321][ T10] netlink_rcv_skb+0x130/0x360 [10203.205321][ T10] netlink_unicast+0x449/0x710 [10203.205321][ T10] netlink_sendmsg+0x723/0xbe0 [10203.205321][ T10] ____sys_sendmsg+0x7b2/0xa10 [10203.205321][ T10] ___sys_sendmsg+0xee/0x170 [10203.205321][ T10] __sys_sendmsg+0xcd/0x170 [10203.205321][ T10] do_syscall_64+0xc6/0x1e0 [10203.205321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10203.205321][ T10] [10203.210201][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10203.210201][ T10] neigh_parms_alloc+0x1e5/0x510 [10203.210201][ T10] ipv6_add_dev+0x2fe/0x11c0 [10203.210201][ T10] ipv6_find_idev+0x102/0x170 [10203.210201][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10203.210201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10203.210201][ T10] netlink_rcv_skb+0x130/0x360 [10203.210201][ T10] netlink_unicast+0x449/0x710 [10203.210201][ T10] netlink_sendmsg+0x723/0xbe0 [10203.210201][ T10] ____sys_sendmsg+0x7b2/0xa10 [10203.210201][ T10] ___sys_sendmsg+0xee/0x170 [10203.210201][ T10] __sys_sendmsg+0xcd/0x170 [10203.210201][ T10] do_syscall_64+0xc6/0x1e0 [10203.210201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10203.210201][ T10] [10203.215180][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10203.215938][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10203.215938][ T10] netdev_get_by_index+0x5e/0x80 [10203.215938][ T10] fib6_nh_init+0x3d8/0x1580 [10203.215938][ T10] ip6_route_info_create+0xf18/0x17d0 [10203.215938][ T10] addrconf_f6i_alloc+0x265/0x560 [10203.215938][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10203.215938][ T10] addrconf_join_anycast+0x1c0/0x220 [10203.215938][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10203.215938][ T10] addrconf_dad_completed+0x12b/0xe20 [10203.215938][ T10] addrconf_dad_begin+0x310/0x670 [10203.215938][ T10] addrconf_dad_work+0x10b/0xab0 [10203.215938][ T10] process_one_work+0x84d/0x18a0 [10203.215938][ T10] worker_thread+0x587/0xd30 [10203.215938][ T10] kthread+0x28a/0x350 [10203.215938][ T10] ret_from_fork+0x31/0x70 [10203.215938][ T10] ret_from_fork_asm+0x1a/0x30 [10203.215938][ T10] [10203.221257][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10203.221257][ T10] netdev_get_by_index+0x5e/0x80 [10203.221257][ T10] fib6_nh_init+0x3d8/0x1580 [10203.221257][ T10] ip6_route_info_create+0xf18/0x17d0 [10203.221257][ T10] ip6_route_add+0x1c/0x140 [10203.221257][ T10] addrconf_prefix_route+0x2a6/0x430 [10203.221257][ T10] inet6_addr_add+0x4f8/0xa40 [10203.221257][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10203.221257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10203.221257][ T10] netlink_rcv_skb+0x130/0x360 [10203.221257][ T10] netlink_unicast+0x449/0x710 [10203.221257][ T10] netlink_sendmsg+0x723/0xbe0 [10203.221257][ T10] ____sys_sendmsg+0x7b2/0xa10 [10203.221257][ T10] ___sys_sendmsg+0xee/0x170 [10203.221257][ T10] __sys_sendmsg+0xcd/0x170 [10203.221257][ T10] do_syscall_64+0xc6/0x1e0 [10203.221257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10203.221257][ T10] [10203.227183][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10203.227183][ T10] netdev_get_by_index+0x5e/0x80 [10203.227183][ T10] fib6_nh_init+0x3d8/0x1580 [10203.227183][ T10] ip6_route_info_create+0xf18/0x17d0 [10203.227183][ T10] addrconf_f6i_alloc+0x315/0x560 [10203.227183][ T10] ipv6_add_addr+0x411/0x2000 [10203.227183][ T10] inet6_addr_add+0x30e/0xa40 [10203.227183][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10203.227183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10203.227183][ T10] netlink_rcv_skb+0x130/0x360 [10203.227183][ T10] netlink_unicast+0x449/0x710 [10203.227183][ T10] netlink_sendmsg+0x723/0xbe0 [10203.227183][ T10] ____sys_sendmsg+0x7b2/0xa10 [10203.227183][ T10] ___sys_sendmsg+0xee/0x170 [10203.227183][ T10] __sys_sendmsg+0xcd/0x170 [10203.227183][ T10] do_syscall_64+0xc6/0x1e0 [10203.227183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10203.227183][ T10] [10203.233611][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10203.233611][ T10] netdev_get_by_index+0x5e/0x80 [10203.233611][ T10] fib6_nh_init+0x3d8/0x1580 [10203.233611][ T10] ip6_route_info_create+0xf18/0x17d0 [10203.233611][ T10] ip6_route_add+0x1c/0x140 [10203.233611][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10203.233611][ T10] addrconf_add_dev+0xe2/0x170 [10203.233611][ T10] inet6_addr_add+0x12f/0xa40 [10203.233611][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10203.233611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10203.233611][ T10] netlink_rcv_skb+0x130/0x360 [10203.233611][ T10] netlink_unicast+0x449/0x710 [10203.233611][ T10] netlink_sendmsg+0x723/0xbe0 [10203.233611][ T10] ____sys_sendmsg+0x7b2/0xa10 [10203.233611][ T10] ___sys_sendmsg+0xee/0x170 [10203.233611][ T10] __sys_sendmsg+0xcd/0x170 [10203.233611][ T10] do_syscall_64+0xc6/0x1e0 [10203.233611][ T10] [10203.254970][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10203.254970][ T10] ipv6_add_dev+0x3ba/0x11c0 [10203.254970][ T10] ipv6_find_idev+0x102/0x170 [10203.254970][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10203.254970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10203.254970][ T10] netlink_rcv_skb+0x130/0x360 [10203.254970][ T10] netlink_unicast+0x449/0x710 [10203.254970][ T10] netlink_sendmsg+0x723/0xbe0 [10203.254970][ T10] ____sys_sendmsg+0x7b2/0xa10 [10203.254970][ T10] ___sys_sendmsg+0xee/0x170 [10203.254970][ T10] __sys_sendmsg+0xcd/0x170 [10203.254970][ T10] do_syscall_64+0xc6/0x1e0 [10203.254970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10203.254970][ T10] [10203.259779][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10203.259779][ T10] neigh_parms_alloc+0x1e5/0x510 [10203.259779][ T10] ipv6_add_dev+0x2fe/0x11c0 [10203.259779][ T10] ipv6_find_idev+0x102/0x170 [10203.259779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10203.259779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10203.259779][ T10] netlink_rcv_skb+0x130/0x360 [10203.259779][ T10] netlink_unicast+0x449/0x710 [10203.259779][ T10] netlink_sendmsg+0x723/0xbe0 [10203.259779][ T10] ____sys_sendmsg+0x7b2/0xa10 [10203.259779][ T10] ___sys_sendmsg+0xee/0x170 [10203.259779][ T10] __sys_sendmsg+0xcd/0x170 [10203.259779][ T10] do_syscall_64+0xc6/0x1e0 [10203.259779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10203.259779][ T10] [10203.280509][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10203.281336][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10203.281336][ T10] netdev_get_by_index+0x5e/0x80 [10203.281336][ T10] fib6_nh_init+0x3d8/0x1580 [10203.281336][ T10] ip6_route_info_create+0xf18/0x17d0 [10203.281336][ T10] addrconf_f6i_alloc+0x265/0x560 [10203.281336][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10203.281336][ T10] addrconf_join_anycast+0x1c0/0x220 [10203.281336][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10203.281336][ T10] addrconf_dad_completed+0x12b/0xe20 [10203.281336][ T10] addrconf_dad_begin+0x310/0x670 [10203.281336][ T10] addrconf_dad_work+0x10b/0xab0 [10203.281336][ T10] process_one_work+0x84d/0x18a0 [10203.281336][ T10] worker_thread+0x587/0xd30 [10203.281336][ T10] kthread+0x28a/0x350 [10203.281336][ T10] ret_from_fork+0x31/0x70 [10203.281336][ T10] ret_from_fork_asm+0x1a/0x30 [10203.281336][ T10] [10203.285744][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10203.285744][ T10] netdev_get_by_index+0x5e/0x80 [10203.285744][ T10] fib6_nh_init+0x3d8/0x1580 [10203.285744][ T10] ip6_route_info_create+0xf18/0x17d0 [10203.285744][ T10] ip6_route_add+0x1c/0x140 [10203.285744][ T10] addrconf_prefix_route+0x2a6/0x430 [10203.285744][ T10] inet6_addr_add+0x4f8/0xa40 [10203.285744][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10203.285744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10203.285744][ T10] netlink_rcv_skb+0x130/0x360 [10203.285744][ T10] netlink_unicast+0x449/0x710 [10203.285744][ T10] netlink_sendmsg+0x723/0xbe0 [10203.285744][ T10] ____sys_sendmsg+0x7b2/0xa10 [10203.285744][ T10] ___sys_sendmsg+0xee/0x170 [10203.285744][ T10] __sys_sendmsg+0xcd/0x170 [10203.285744][ T10] do_syscall_64+0xc6/0x1e0 [10203.285744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10203.285744][ T10] [10203.290891][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10203.290891][ T10] netdev_get_by_index+0x5e/0x80 [10203.290891][ T10] fib6_nh_init+0x3d8/0x1580 [10203.290891][ T10] ip6_route_info_create+0xf18/0x17d0 [10203.290891][ T10] addrconf_f6i_alloc+0x315/0x560 [10203.290891][ T10] ipv6_add_addr+0x411/0x2000 [10203.290891][ T10] inet6_addr_add+0x30e/0xa40 [10203.290891][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10203.290891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10203.290891][ T10] netlink_rcv_skb+0x130/0x360 [10203.290891][ T10] netlink_unicast+0x449/0x710 [10203.290891][ T10] netlink_sendmsg+0x723/0xbe0 [10203.290891][ T10] ____sys_sendmsg+0x7b2/0xa10 [10203.290891][ T10] ___sys_sendmsg+0xee/0x170 [10203.290891][ T10] __sys_sendmsg+0xcd/0x170 [10203.290891][ T10] do_syscall_64+0xc6/0x1e0 [10203.290891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10203.290891][ T10] [10203.316291][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10203.316291][ T10] netdev_get_by_index+0x5e/0x80 [10203.316291][ T10] fib6_nh_init+0x3d8/0x1580 [10203.316291][ T10] ip6_route_info_create+0xf18/0x17d0 [10203.316291][ T10] ip6_route_add+0x1c/0x140 [10203.316291][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10203.316291][ T10] addrconf_add_dev+0xe2/0x170 [10203.316291][ T10] inet6_addr_add+0x12f/0xa40 [10203.316291][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10203.316291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10203.316291][ T10] netlink_rcv_skb+0x130/0x360 [10203.316291][ T10] netlink_unicast+0x449/0x710 [10203.316291][ T10] netlink_sendmsg+0x723/0xbe0 [10203.316291][ T10] ____sys_sendmsg+0x7b2/0xa10 [10203.316291][ T10] ___sys_sendmsg+0xee/0x170 [10203.316291][ T10] __sys_sendmsg+0xcd/0x170 [10203.316291][ T10] do_syscall_64+0xc6/0x1e0 [10203.316291][ T10] [10203.322929][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10203.322929][ T10] ipv6_add_dev+0x3ba/0x11c0 [10203.322929][ T10] ipv6_find_idev+0x102/0x170 [10203.322929][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10203.322929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10203.322929][ T10] netlink_rcv_skb+0x130/0x360 [10203.322929][ T10] netlink_unicast+0x449/0x710 [10203.322929][ T10] netlink_sendmsg+0x723/0xbe0 [10203.322929][ T10] ____sys_sendmsg+0x7b2/0xa10 [10203.322929][ T10] ___sys_sendmsg+0xee/0x170 [10203.322929][ T10] __sys_sendmsg+0xcd/0x170 [10203.322929][ T10] do_syscall_64+0xc6/0x1e0 [10203.322929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10203.322929][ T10] [10203.328364][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10203.328364][ T10] neigh_parms_alloc+0x1e5/0x510 [10203.328364][ T10] ipv6_add_dev+0x2fe/0x11c0 [10203.328364][ T10] ipv6_find_idev+0x102/0x170 [10203.328364][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10203.328364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10203.328364][ T10] netlink_rcv_skb+0x130/0x360 [10203.328364][ T10] netlink_unicast+0x449/0x710 [10203.328364][ T10] netlink_sendmsg+0x723/0xbe0 [10203.328364][ T10] ____sys_sendmsg+0x7b2/0xa10 [10203.328364][ T10] ___sys_sendmsg+0xee/0x170 [10203.328364][ T10] __sys_sendmsg+0xcd/0x170 [10203.328364][ T10] do_syscall_64+0xc6/0x1e0 [10203.328364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10203.328364][ T10] [10203.334195][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10203.334952][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10203.334952][ T10] netdev_get_by_index+0x5e/0x80 [10203.334952][ T10] fib6_nh_init+0x3d8/0x1580 [10203.334952][ T10] ip6_route_info_create+0xf18/0x17d0 [10203.334952][ T10] addrconf_f6i_alloc+0x265/0x560 [10203.334952][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10203.334952][ T10] addrconf_join_anycast+0x1c0/0x220 [10203.334952][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10203.334952][ T10] addrconf_dad_completed+0x12b/0xe20 [10203.334952][ T10] addrconf_dad_begin+0x310/0x670 [10203.334952][ T10] addrconf_dad_work+0x10b/0xab0 [10203.334952][ T10] process_one_work+0x84d/0x18a0 [10203.334952][ T10] worker_thread+0x587/0xd30 [10203.334952][ T10] kthread+0x28a/0x350 [10203.334952][ T10] ret_from_fork+0x31/0x70 [10203.334952][ T10] ret_from_fork_asm+0x1a/0x30 [10203.334952][ T10] [10203.341582][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10203.341582][ T10] netdev_get_by_index+0x5e/0x80 [10203.341582][ T10] fib6_nh_init+0x3d8/0x1580 [10203.341582][ T10] ip6_route_info_create+0xf18/0x17d0 [10203.341582][ T10] ip6_route_add+0x1c/0x140 [10203.341582][ T10] addrconf_prefix_route+0x2a6/0x430 [10203.341582][ T10] inet6_addr_add+0x4f8/0xa40 [10203.341582][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10203.341582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10203.341582][ T10] netlink_rcv_skb+0x130/0x360 [10203.341582][ T10] netlink_unicast+0x449/0x710 [10203.341582][ T10] netlink_sendmsg+0x723/0xbe0 [10203.341582][ T10] ____sys_sendmsg+0x7b2/0xa10 [10203.341582][ T10] ___sys_sendmsg+0xee/0x170 [10203.341582][ T10] __sys_sendmsg+0xcd/0x170 [10203.341582][ T10] do_syscall_64+0xc6/0x1e0 [10203.341582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10203.341582][ T10] [10203.371561][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10203.371561][ T10] netdev_get_by_index+0x5e/0x80 [10203.371561][ T10] fib6_nh_init+0x3d8/0x1580 [10203.371561][ T10] ip6_route_info_create+0xf18/0x17d0 [10203.371561][ T10] addrconf_f6i_alloc+0x315/0x560 [10203.371561][ T10] ipv6_add_addr+0x411/0x2000 [10203.371561][ T10] inet6_addr_add+0x30e/0xa40 [10203.371561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10203.371561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10203.371561][ T10] netlink_rcv_skb+0x130/0x360 [10203.371561][ T10] netlink_unicast+0x449/0x710 [10203.371561][ T10] netlink_sendmsg+0x723/0xbe0 [10203.371561][ T10] ____sys_sendmsg+0x7b2/0xa10 [10203.371561][ T10] ___sys_sendmsg+0xee/0x170 [10203.371561][ T10] __sys_sendmsg+0xcd/0x170 [10203.371561][ T10] do_syscall_64+0xc6/0x1e0 [10203.371561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10203.371561][ T10] [10203.378294][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10203.378294][ T10] netdev_get_by_index+0x5e/0x80 [10203.378294][ T10] fib6_nh_init+0x3d8/0x1580 [10203.378294][ T10] ip6_route_info_create+0xf18/0x17d0 [10203.378294][ T10] ip6_route_add+0x1c/0x140 [10203.378294][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10203.378294][ T10] addrconf_add_dev+0xe2/0x170 [10203.378294][ T10] inet6_addr_add+0x12f/0xa40 [10203.378294][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10203.378294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10203.378294][ T10] netlink_rcv_skb+0x130/0x360 [10203.378294][ T10] netlink_unicast+0x449/0x710 [10203.378294][ T10] netlink_sendmsg+0x723/0xbe0 [10203.378294][ T10] ____sys_sendmsg+0x7b2/0xa10 [10203.378294][ T10] ___sys_sendmsg+0xee/0x170 [10203.378294][ T10] __sys_sendmsg+0xcd/0x170 [10203.378294][ T10] do_syscall_64+0xc6/0x1e0 [10203.378294][ T10] [10203.385171][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10203.385171][ T10] ipv6_add_dev+0x3ba/0x11c0 [10203.385171][ T10] ipv6_find_idev+0x102/0x170 [10203.385171][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10203.385171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10203.385171][ T10] netlink_rcv_skb+0x130/0x360 [10203.385171][ T10] netlink_unicast+0x449/0x710 [10203.385171][ T10] netlink_sendmsg+0x723/0xbe0 [10203.385171][ T10] ____sys_sendmsg+0x7b2/0xa10 [10203.385171][ T10] ___sys_sendmsg+0xee/0x170 [10203.385171][ T10] __sys_sendmsg+0xcd/0x170 [10203.385171][ T10] do_syscall_64+0xc6/0x1e0 [10203.385171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10203.385171][ T10] [10203.390450][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10203.390450][ T10] neigh_parms_alloc+0x1e5/0x510 [10203.390450][ T10] ipv6_add_dev+0x2fe/0x11c0 [10203.390450][ T10] ipv6_find_idev+0x102/0x170 [10203.390450][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10203.390450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10203.390450][ T10] netlink_rcv_skb+0x130/0x360 [10203.390450][ T10] netlink_unicast+0x449/0x710 [10203.390450][ T10] netlink_sendmsg+0x723/0xbe0 [10203.390450][ T10] ____sys_sendmsg+0x7b2/0xa10 [10203.390450][ T10] ___sys_sendmsg+0xee/0x170 [10203.390450][ T10] __sys_sendmsg+0xcd/0x170 [10203.390450][ T10] do_syscall_64+0xc6/0x1e0 [10203.390450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10203.390450][ T10] [10203.485282][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10203.490188][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10203.490188][ T1167] dst_init+0x84/0x4a0 [10203.490188][ T1167] dst_alloc+0x97/0x150 [10203.490188][ T1167] ip6_dst_alloc+0x23/0x90 [10203.490188][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10203.490188][ T1167] ip6_pol_route+0x56f/0x840 [10203.490188][ T1167] fib6_rule_lookup+0x334/0x630 [10203.490188][ T1167] ip6_route_output_flags+0x259/0x480 [10203.490188][ T1167] inet6_rtm_getroute+0x980/0xf70 [10203.490188][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10203.490188][ T1167] netlink_rcv_skb+0x130/0x360 [10203.490188][ T1167] netlink_unicast+0x449/0x710 [10203.490188][ T1167] netlink_sendmsg+0x723/0xbe0 [10203.490188][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10203.490188][ T1167] ___sys_sendmsg+0xee/0x170 [10203.490188][ T1167] __sys_sendmsg+0xcd/0x170 [10203.490188][ T1167] do_syscall_64+0xc6/0x1e0 [10203.490188][ T1167] [10203.497281][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10203.497281][ T1167] netdev_get_by_index+0x5e/0x80 [10203.497281][ T1167] fib6_nh_init+0x3d8/0x1580 [10203.497281][ T1167] ip6_route_info_create+0xf18/0x17d0 [10203.497281][ T1167] addrconf_f6i_alloc+0x265/0x560 [10203.497281][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10203.497281][ T1167] addrconf_join_anycast+0x1c0/0x220 [10203.497281][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10203.497281][ T1167] addrconf_dad_completed+0x12b/0xe20 [10203.497281][ T1167] addrconf_dad_begin+0x310/0x670 [10203.497281][ T1167] addrconf_dad_work+0x10b/0xab0 [10203.497281][ T1167] process_one_work+0x84d/0x18a0 [10203.497281][ T1167] worker_thread+0x587/0xd30 [10203.497281][ T1167] kthread+0x28a/0x350 [10203.497281][ T1167] ret_from_fork+0x31/0x70 [10203.497281][ T1167] ret_from_fork_asm+0x1a/0x30 [10203.497281][ T1167] [10203.522148][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10203.522148][ T1167] netdev_get_by_index+0x5e/0x80 [10203.522148][ T1167] fib6_nh_init+0x3d8/0x1580 [10203.522148][ T1167] ip6_route_info_create+0xf18/0x17d0 [10203.522148][ T1167] ip6_route_add+0x1c/0x140 [10203.522148][ T1167] addrconf_prefix_route+0x2a6/0x430 [10203.522148][ T1167] inet6_addr_add+0x4f8/0xa40 [10203.522148][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10203.522148][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10203.522148][ T1167] netlink_rcv_skb+0x130/0x360 [10203.522148][ T1167] netlink_unicast+0x449/0x710 [10203.522148][ T1167] netlink_sendmsg+0x723/0xbe0 [10203.522148][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10203.522148][ T1167] ___sys_sendmsg+0xee/0x170 [10203.522148][ T1167] __sys_sendmsg+0xcd/0x170 [10203.522148][ T1167] do_syscall_64+0xc6/0x1e0 [10203.522148][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10203.522148][ T1167] [10203.529022][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10203.529022][ T1167] netdev_get_by_index+0x5e/0x80 [10203.529022][ T1167] fib6_nh_init+0x3d8/0x1580 [10203.529022][ T1167] ip6_route_info_create+0xf18/0x17d0 [10203.529022][ T1167] addrconf_f6i_alloc+0x315/0x560 [10203.529022][ T1167] ipv6_add_addr+0x411/0x2000 [10203.529022][ T1167] inet6_addr_add+0x30e/0xa40 [10203.529022][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10203.529022][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10203.529022][ T1167] netlink_rcv_skb+0x130/0x360 [10203.529022][ T1167] netlink_unicast+0x449/0x710 [10203.529022][ T1167] netlink_sendmsg+0x723/0xbe0 [10203.529022][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10203.529022][ T1167] ___sys_sendmsg+0xee/0x170 [10203.529022][ T1167] __sys_sendmsg+0xcd/0x170 [10203.529022][ T1167] do_syscall_64+0xc6/0x1e0 [10203.529022][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10203.529022][ T1167] [10203.534962][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10203.534962][ T1167] netdev_get_by_index+0x5e/0x80 [10203.534962][ T1167] fib6_nh_init+0x3d8/0x1580 [10203.534962][ T1167] ip6_route_info_create+0xf18/0x17d0 [10203.534962][ T1167] ip6_route_add+0x1c/0x140 [10203.534962][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10203.534962][ T1167] addrconf_add_dev+0xe2/0x170 [10203.534962][ T1167] inet6_addr_add+0x12f/0xa40 [10203.534962][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10203.534962][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10203.534962][ T1167] netlink_rcv_skb+0x130/0x360 [10203.534962][ T1167] netlink_unicast+0x449/0x710 [10203.534962][ T1167] netlink_sendmsg+0x723/0xbe0 [10203.534962][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10203.534962][ T1167] ___sys_sendmsg+0xee/0x170 [10203.534962][ T1167] __sys_sendmsg+0xcd/0x170 [10203.534962][ T1167] do_syscall_64+0xc6/0x1e0 [10203.534962][ T1167] [10203.540737][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10203.540737][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10203.540737][ T1167] ipv6_find_idev+0x102/0x170 [10203.540737][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10203.540737][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10203.540737][ T1167] netlink_rcv_skb+0x130/0x360 [10203.540737][ T1167] netlink_unicast+0x449/0x710 [10203.540737][ T1167] netlink_sendmsg+0x723/0xbe0 [10203.540737][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10203.540737][ T1167] ___sys_sendmsg+0xee/0x170 [10203.540737][ T1167] __sys_sendmsg+0xcd/0x170 [10203.540737][ T1167] do_syscall_64+0xc6/0x1e0 [10203.540737][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10203.540737][ T1167] [10203.545606][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10203.545606][ T1167] neigh_parms_alloc+0x1e5/0x510 [10203.545606][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10203.545606][ T1167] ipv6_find_idev+0x102/0x170 [10203.545606][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10203.545606][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10203.545606][ T1167] netlink_rcv_skb+0x130/0x360 [10203.545606][ T1167] netlink_unicast+0x449/0x710 [10203.545606][ T1167] netlink_sendmsg+0x723/0xbe0 [10203.545606][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10203.545606][ T1167] ___sys_sendmsg+0xee/0x170 [10203.545606][ T1167] __sys_sendmsg+0xcd/0x170 [10203.545606][ T1167] do_syscall_64+0xc6/0x1e0 [10203.545606][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10203.545606][ T1167] [10213.465387][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10213.510659][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10213.510659][ T10] netdev_get_by_index+0x5e/0x80 [10213.510659][ T10] fib6_nh_init+0x3d8/0x1580 [10213.510659][ T10] ip6_route_info_create+0xf18/0x17d0 [10213.510659][ T10] addrconf_f6i_alloc+0x265/0x560 [10213.510659][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10213.510659][ T10] addrconf_join_anycast+0x1c0/0x220 [10213.510659][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10213.510659][ T10] addrconf_dad_completed+0x12b/0xe20 [10213.510659][ T10] addrconf_dad_begin+0x310/0x670 [10213.510659][ T10] addrconf_dad_work+0x10b/0xab0 [10213.510659][ T10] process_one_work+0x84d/0x18a0 [10213.510659][ T10] worker_thread+0x587/0xd30 [10213.510659][ T10] kthread+0x28a/0x350 [10213.510659][ T10] ret_from_fork+0x31/0x70 [10213.510659][ T10] ret_from_fork_asm+0x1a/0x30 [10213.510659][ T10] [10213.517036][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10213.517036][ T10] netdev_get_by_index+0x5e/0x80 [10213.517036][ T10] fib6_nh_init+0x3d8/0x1580 [10213.517036][ T10] ip6_route_info_create+0xf18/0x17d0 [10213.517036][ T10] ip6_route_add+0x1c/0x140 [10213.517036][ T10] addrconf_prefix_route+0x2a6/0x430 [10213.517036][ T10] inet6_addr_add+0x4f8/0xa40 [10213.517036][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10213.517036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10213.517036][ T10] netlink_rcv_skb+0x130/0x360 [10213.517036][ T10] netlink_unicast+0x449/0x710 [10213.517036][ T10] netlink_sendmsg+0x723/0xbe0 [10213.517036][ T10] ____sys_sendmsg+0x7b2/0xa10 [10213.517036][ T10] ___sys_sendmsg+0xee/0x170 [10213.517036][ T10] __sys_sendmsg+0xcd/0x170 [10213.517036][ T10] do_syscall_64+0xc6/0x1e0 [10213.517036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10213.517036][ T10] [10213.523021][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10213.523021][ T10] netdev_get_by_index+0x5e/0x80 [10213.523021][ T10] fib6_nh_init+0x3d8/0x1580 [10213.523021][ T10] ip6_route_info_create+0xf18/0x17d0 [10213.523021][ T10] addrconf_f6i_alloc+0x315/0x560 [10213.523021][ T10] ipv6_add_addr+0x411/0x2000 [10213.523021][ T10] inet6_addr_add+0x30e/0xa40 [10213.523021][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10213.523021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10213.523021][ T10] netlink_rcv_skb+0x130/0x360 [10213.523021][ T10] netlink_unicast+0x449/0x710 [10213.523021][ T10] netlink_sendmsg+0x723/0xbe0 [10213.523021][ T10] ____sys_sendmsg+0x7b2/0xa10 [10213.523021][ T10] ___sys_sendmsg+0xee/0x170 [10213.523021][ T10] __sys_sendmsg+0xcd/0x170 [10213.523021][ T10] do_syscall_64+0xc6/0x1e0 [10213.523021][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10213.523021][ T10] [10213.528687][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10213.528687][ T10] netdev_get_by_index+0x5e/0x80 [10213.528687][ T10] fib6_nh_init+0x3d8/0x1580 [10213.528687][ T10] ip6_route_info_create+0xf18/0x17d0 [10213.528687][ T10] ip6_route_add+0x1c/0x140 [10213.528687][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10213.528687][ T10] addrconf_add_dev+0xe2/0x170 [10213.528687][ T10] inet6_addr_add+0x12f/0xa40 [10213.528687][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10213.528687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10213.528687][ T10] netlink_rcv_skb+0x130/0x360 [10213.528687][ T10] netlink_unicast+0x449/0x710 [10213.528687][ T10] netlink_sendmsg+0x723/0xbe0 [10213.528687][ T10] ____sys_sendmsg+0x7b2/0xa10 [10213.528687][ T10] ___sys_sendmsg+0xee/0x170 [10213.528687][ T10] __sys_sendmsg+0xcd/0x170 [10213.528687][ T10] do_syscall_64+0xc6/0x1e0 [10213.528687][ T10] [10213.534899][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10213.534899][ T10] ipv6_add_dev+0x3ba/0x11c0 [10213.534899][ T10] ipv6_find_idev+0x102/0x170 [10213.534899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10213.534899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10213.534899][ T10] netlink_rcv_skb+0x130/0x360 [10213.534899][ T10] netlink_unicast+0x449/0x710 [10213.534899][ T10] netlink_sendmsg+0x723/0xbe0 [10213.534899][ T10] ____sys_sendmsg+0x7b2/0xa10 [10213.534899][ T10] ___sys_sendmsg+0xee/0x170 [10213.534899][ T10] __sys_sendmsg+0xcd/0x170 [10213.534899][ T10] do_syscall_64+0xc6/0x1e0 [10213.534899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10213.534899][ T10] [10213.539750][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10213.539750][ T10] neigh_parms_alloc+0x1e5/0x510 [10213.539750][ T10] ipv6_add_dev+0x2fe/0x11c0 [10213.539750][ T10] ipv6_find_idev+0x102/0x170 [10213.539750][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10213.539750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10213.539750][ T10] netlink_rcv_skb+0x130/0x360 [10213.539750][ T10] netlink_unicast+0x449/0x710 [10213.539750][ T10] netlink_sendmsg+0x723/0xbe0 [10213.539750][ T10] ____sys_sendmsg+0x7b2/0xa10 [10213.539750][ T10] ___sys_sendmsg+0xee/0x170 [10213.539750][ T10] __sys_sendmsg+0xcd/0x170 [10213.539750][ T10] do_syscall_64+0xc6/0x1e0 [10213.539750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10213.539750][ T10] [10213.570528][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10213.571669][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10213.571669][ T10] netdev_get_by_index+0x5e/0x80 [10213.571669][ T10] fib6_nh_init+0x3d8/0x1580 [10213.571669][ T10] ip6_route_info_create+0xf18/0x17d0 [10213.571669][ T10] addrconf_f6i_alloc+0x265/0x560 [10213.571669][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10213.571669][ T10] addrconf_join_anycast+0x1c0/0x220 [10213.571669][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10213.571669][ T10] addrconf_dad_completed+0x12b/0xe20 [10213.571669][ T10] addrconf_dad_begin+0x310/0x670 [10213.571669][ T10] addrconf_dad_work+0x10b/0xab0 [10213.571669][ T10] process_one_work+0x84d/0x18a0 [10213.571669][ T10] worker_thread+0x587/0xd30 [10213.571669][ T10] kthread+0x28a/0x350 [10213.571669][ T10] ret_from_fork+0x31/0x70 [10213.571669][ T10] ret_from_fork_asm+0x1a/0x30 [10213.571669][ T10] [10213.599522][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10213.599522][ T10] netdev_get_by_index+0x5e/0x80 [10213.599522][ T10] fib6_nh_init+0x3d8/0x1580 [10213.599522][ T10] ip6_route_info_create+0xf18/0x17d0 [10213.599522][ T10] ip6_route_add+0x1c/0x140 [10213.599522][ T10] addrconf_prefix_route+0x2a6/0x430 [10213.599522][ T10] inet6_addr_add+0x4f8/0xa40 [10213.599522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10213.599522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10213.599522][ T10] netlink_rcv_skb+0x130/0x360 [10213.599522][ T10] netlink_unicast+0x449/0x710 [10213.599522][ T10] netlink_sendmsg+0x723/0xbe0 [10213.599522][ T10] ____sys_sendmsg+0x7b2/0xa10 [10213.599522][ T10] ___sys_sendmsg+0xee/0x170 [10213.599522][ T10] __sys_sendmsg+0xcd/0x170 [10213.599522][ T10] do_syscall_64+0xc6/0x1e0 [10213.599522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10213.599522][ T10] [10213.603913][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10213.603913][ T10] netdev_get_by_index+0x5e/0x80 [10213.603913][ T10] fib6_nh_init+0x3d8/0x1580 [10213.603913][ T10] ip6_route_info_create+0xf18/0x17d0 [10213.603913][ T10] addrconf_f6i_alloc+0x315/0x560 [10213.603913][ T10] ipv6_add_addr+0x411/0x2000 [10213.603913][ T10] inet6_addr_add+0x30e/0xa40 [10213.603913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10213.603913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10213.603913][ T10] netlink_rcv_skb+0x130/0x360 [10213.603913][ T10] netlink_unicast+0x449/0x710 [10213.603913][ T10] netlink_sendmsg+0x723/0xbe0 [10213.603913][ T10] ____sys_sendmsg+0x7b2/0xa10 [10213.603913][ T10] ___sys_sendmsg+0xee/0x170 [10213.603913][ T10] __sys_sendmsg+0xcd/0x170 [10213.603913][ T10] do_syscall_64+0xc6/0x1e0 [10213.603913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10213.603913][ T10] [10213.608478][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10213.608478][ T10] netdev_get_by_index+0x5e/0x80 [10213.608478][ T10] fib6_nh_init+0x3d8/0x1580 [10213.608478][ T10] ip6_route_info_create+0xf18/0x17d0 [10213.608478][ T10] ip6_route_add+0x1c/0x140 [10213.608478][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10213.608478][ T10] addrconf_add_dev+0xe2/0x170 [10213.608478][ T10] inet6_addr_add+0x12f/0xa40 [10213.608478][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10213.608478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10213.608478][ T10] netlink_rcv_skb+0x130/0x360 [10213.608478][ T10] netlink_unicast+0x449/0x710 [10213.608478][ T10] netlink_sendmsg+0x723/0xbe0 [10213.608478][ T10] ____sys_sendmsg+0x7b2/0xa10 [10213.608478][ T10] ___sys_sendmsg+0xee/0x170 [10213.608478][ T10] __sys_sendmsg+0xcd/0x170 [10213.608478][ T10] do_syscall_64+0xc6/0x1e0 [10213.608478][ T10] [10213.612998][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10213.612998][ T10] ipv6_add_dev+0x3ba/0x11c0 [10213.612998][ T10] ipv6_find_idev+0x102/0x170 [10213.612998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10213.612998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10213.612998][ T10] netlink_rcv_skb+0x130/0x360 [10213.612998][ T10] netlink_unicast+0x449/0x710 [10213.612998][ T10] netlink_sendmsg+0x723/0xbe0 [10213.612998][ T10] ____sys_sendmsg+0x7b2/0xa10 [10213.612998][ T10] ___sys_sendmsg+0xee/0x170 [10213.612998][ T10] __sys_sendmsg+0xcd/0x170 [10213.612998][ T10] do_syscall_64+0xc6/0x1e0 [10213.612998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10213.612998][ T10] [10213.616425][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10213.616425][ T10] neigh_parms_alloc+0x1e5/0x510 [10213.616425][ T10] ipv6_add_dev+0x2fe/0x11c0 [10213.616425][ T10] ipv6_find_idev+0x102/0x170 [10213.616425][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10213.616425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10213.616425][ T10] netlink_rcv_skb+0x130/0x360 [10213.616425][ T10] netlink_unicast+0x449/0x710 [10213.616425][ T10] netlink_sendmsg+0x723/0xbe0 [10213.616425][ T10] ____sys_sendmsg+0x7b2/0xa10 [10213.616425][ T10] ___sys_sendmsg+0xee/0x170 [10213.616425][ T10] __sys_sendmsg+0xcd/0x170 [10213.616425][ T10] do_syscall_64+0xc6/0x1e0 [10213.616425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10213.616425][ T10] [10213.620307][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10213.621127][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10213.621127][ T1167] dst_init+0x84/0x4a0 [10213.621127][ T1167] dst_alloc+0x97/0x150 [10213.621127][ T1167] ip6_dst_alloc+0x23/0x90 [10213.621127][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10213.621127][ T1167] ip6_pol_route+0x56f/0x840 [10213.621127][ T1167] fib6_rule_lookup+0x334/0x630 [10213.621127][ T1167] ip6_route_output_flags+0x259/0x480 [10213.621127][ T1167] inet6_rtm_getroute+0x980/0xf70 [10213.621127][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10213.621127][ T1167] netlink_rcv_skb+0x130/0x360 [10213.621127][ T1167] netlink_unicast+0x449/0x710 [10213.621127][ T1167] netlink_sendmsg+0x723/0xbe0 [10213.621127][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10213.621127][ T1167] ___sys_sendmsg+0xee/0x170 [10213.621127][ T1167] __sys_sendmsg+0xcd/0x170 [10213.621127][ T1167] do_syscall_64+0xc6/0x1e0 [10213.621127][ T1167] [10213.626233][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10213.626233][ T1167] netdev_get_by_index+0x5e/0x80 [10213.626233][ T1167] fib6_nh_init+0x3d8/0x1580 [10213.626233][ T1167] ip6_route_info_create+0xf18/0x17d0 [10213.626233][ T1167] addrconf_f6i_alloc+0x265/0x560 [10213.626233][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10213.626233][ T1167] addrconf_join_anycast+0x1c0/0x220 [10213.626233][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10213.626233][ T1167] addrconf_dad_completed+0x12b/0xe20 [10213.626233][ T1167] addrconf_dad_begin+0x310/0x670 [10213.626233][ T1167] addrconf_dad_work+0x10b/0xab0 [10213.626233][ T1167] process_one_work+0x84d/0x18a0 [10213.626233][ T1167] worker_thread+0x587/0xd30 [10213.626233][ T1167] kthread+0x28a/0x350 [10213.626233][ T1167] ret_from_fork+0x31/0x70 [10213.626233][ T1167] ret_from_fork_asm+0x1a/0x30 [10213.626233][ T1167] [10213.631119][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10213.631119][ T1167] netdev_get_by_index+0x5e/0x80 [10213.631119][ T1167] fib6_nh_init+0x3d8/0x1580 [10213.631119][ T1167] ip6_route_info_create+0xf18/0x17d0 [10213.631119][ T1167] ip6_route_add+0x1c/0x140 [10213.631119][ T1167] addrconf_prefix_route+0x2a6/0x430 [10213.631119][ T1167] inet6_addr_add+0x4f8/0xa40 [10213.631119][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10213.631119][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10213.631119][ T1167] netlink_rcv_skb+0x130/0x360 [10213.631119][ T1167] netlink_unicast+0x449/0x710 [10213.631119][ T1167] netlink_sendmsg+0x723/0xbe0 [10213.631119][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10213.631119][ T1167] ___sys_sendmsg+0xee/0x170 [10213.631119][ T1167] __sys_sendmsg+0xcd/0x170 [10213.631119][ T1167] do_syscall_64+0xc6/0x1e0 [10213.631119][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10213.631119][ T1167] [10213.636475][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10213.636475][ T1167] netdev_get_by_index+0x5e/0x80 [10213.636475][ T1167] fib6_nh_init+0x3d8/0x1580 [10213.636475][ T1167] ip6_route_info_create+0xf18/0x17d0 [10213.636475][ T1167] addrconf_f6i_alloc+0x315/0x560 [10213.636475][ T1167] ipv6_add_addr+0x411/0x2000 [10213.636475][ T1167] inet6_addr_add+0x30e/0xa40 [10213.636475][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10213.636475][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10213.636475][ T1167] netlink_rcv_skb+0x130/0x360 [10213.636475][ T1167] netlink_unicast+0x449/0x710 [10213.636475][ T1167] netlink_sendmsg+0x723/0xbe0 [10213.636475][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10213.636475][ T1167] ___sys_sendmsg+0xee/0x170 [10213.636475][ T1167] __sys_sendmsg+0xcd/0x170 [10213.636475][ T1167] do_syscall_64+0xc6/0x1e0 [10213.636475][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10213.636475][ T1167] [10213.641753][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10213.641753][ T1167] netdev_get_by_index+0x5e/0x80 [10213.641753][ T1167] fib6_nh_init+0x3d8/0x1580 [10213.641753][ T1167] ip6_route_info_create+0xf18/0x17d0 [10213.641753][ T1167] ip6_route_add+0x1c/0x140 [10213.641753][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10213.641753][ T1167] addrconf_add_dev+0xe2/0x170 [10213.641753][ T1167] inet6_addr_add+0x12f/0xa40 [10213.641753][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10213.641753][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10213.641753][ T1167] netlink_rcv_skb+0x130/0x360 [10213.641753][ T1167] netlink_unicast+0x449/0x710 [10213.641753][ T1167] netlink_sendmsg+0x723/0xbe0 [10213.641753][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10213.641753][ T1167] ___sys_sendmsg+0xee/0x170 [10213.641753][ T1167] __sys_sendmsg+0xcd/0x170 [10213.641753][ T1167] do_syscall_64+0xc6/0x1e0 [10213.641753][ T1167] [10213.647082][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10213.647082][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10213.647082][ T1167] ipv6_find_idev+0x102/0x170 [10213.647082][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10213.647082][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10213.647082][ T1167] netlink_rcv_skb+0x130/0x360 [10213.647082][ T1167] netlink_unicast+0x449/0x710 [10213.647082][ T1167] netlink_sendmsg+0x723/0xbe0 [10213.647082][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10213.647082][ T1167] ___sys_sendmsg+0xee/0x170 [10213.647082][ T1167] __sys_sendmsg+0xcd/0x170 [10213.647082][ T1167] do_syscall_64+0xc6/0x1e0 [10213.647082][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10213.647082][ T1167] [10213.650653][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10213.651201][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10213.651201][ T1167] neigh_parms_alloc+0x1e5/0x510 [10213.651201][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10213.651201][ T1167] ipv6_find_idev+0x102/0x170 [10213.651201][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10213.651201][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10213.651201][ T1167] netlink_rcv_skb+0x130/0x360 [10213.651201][ T1167] netlink_unicast+0x449/0x710 [10213.651201][ T1167] netlink_sendmsg+0x723/0xbe0 [10213.651201][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10213.651201][ T1167] ___sys_sendmsg+0xee/0x170 [10213.651201][ T1167] __sys_sendmsg+0xcd/0x170 [10213.651201][ T1167] do_syscall_64+0xc6/0x1e0 [10213.651201][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10213.651201][ T1167] [10213.651745][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10213.651745][ T10] netdev_get_by_index+0x5e/0x80 [10213.651745][ T10] fib6_nh_init+0x3d8/0x1580 [10213.651745][ T10] ip6_route_info_create+0xf18/0x17d0 [10213.651745][ T10] addrconf_f6i_alloc+0x265/0x560 [10213.651745][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10213.651745][ T10] addrconf_join_anycast+0x1c0/0x220 [10213.651745][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10213.651745][ T10] addrconf_dad_completed+0x12b/0xe20 [10213.651745][ T10] addrconf_dad_begin+0x310/0x670 [10213.651745][ T10] addrconf_dad_work+0x10b/0xab0 [10213.651745][ T10] process_one_work+0x84d/0x18a0 [10213.651745][ T10] worker_thread+0x587/0xd30 [10213.651745][ T10] kthread+0x28a/0x350 [10213.651745][ T10] ret_from_fork+0x31/0x70 [10213.651745][ T10] ret_from_fork_asm+0x1a/0x30 [10213.651745][ T10] [10213.660977][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10213.660977][ T10] netdev_get_by_index+0x5e/0x80 [10213.660977][ T10] fib6_nh_init+0x3d8/0x1580 [10213.660977][ T10] ip6_route_info_create+0xf18/0x17d0 [10213.660977][ T10] ip6_route_add+0x1c/0x140 [10213.660977][ T10] addrconf_prefix_route+0x2a6/0x430 [10213.660977][ T10] inet6_addr_add+0x4f8/0xa40 [10213.660977][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10213.660977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10213.660977][ T10] netlink_rcv_skb+0x130/0x360 [10213.660977][ T10] netlink_unicast+0x449/0x710 [10213.660977][ T10] netlink_sendmsg+0x723/0xbe0 [10213.660977][ T10] ____sys_sendmsg+0x7b2/0xa10 [10213.660977][ T10] ___sys_sendmsg+0xee/0x170 [10213.660977][ T10] __sys_sendmsg+0xcd/0x170 [10213.660977][ T10] do_syscall_64+0xc6/0x1e0 [10213.660977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10213.660977][ T10] [10213.666090][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10213.666090][ T10] netdev_get_by_index+0x5e/0x80 [10213.666090][ T10] fib6_nh_init+0x3d8/0x1580 [10213.666090][ T10] ip6_route_info_create+0xf18/0x17d0 [10213.666090][ T10] addrconf_f6i_alloc+0x315/0x560 [10213.666090][ T10] ipv6_add_addr+0x411/0x2000 [10213.666090][ T10] inet6_addr_add+0x30e/0xa40 [10213.666090][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10213.666090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10213.666090][ T10] netlink_rcv_skb+0x130/0x360 [10213.666090][ T10] netlink_unicast+0x449/0x710 [10213.666090][ T10] netlink_sendmsg+0x723/0xbe0 [10213.666090][ T10] ____sys_sendmsg+0x7b2/0xa10 [10213.666090][ T10] ___sys_sendmsg+0xee/0x170 [10213.666090][ T10] __sys_sendmsg+0xcd/0x170 [10213.666090][ T10] do_syscall_64+0xc6/0x1e0 [10213.666090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10213.666090][ T10] [10213.671016][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10213.671016][ T10] netdev_get_by_index+0x5e/0x80 [10213.671016][ T10] fib6_nh_init+0x3d8/0x1580 [10213.671016][ T10] ip6_route_info_create+0xf18/0x17d0 [10213.671016][ T10] ip6_route_add+0x1c/0x140 [10213.671016][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10213.671016][ T10] addrconf_add_dev+0xe2/0x170 [10213.671016][ T10] inet6_addr_add+0x12f/0xa40 [10213.671016][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10213.671016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10213.671016][ T10] netlink_rcv_skb+0x130/0x360 [10213.671016][ T10] netlink_unicast+0x449/0x710 [10213.671016][ T10] netlink_sendmsg+0x723/0xbe0 [10213.671016][ T10] ____sys_sendmsg+0x7b2/0xa10 [10213.671016][ T10] ___sys_sendmsg+0xee/0x170 [10213.671016][ T10] __sys_sendmsg+0xcd/0x170 [10213.671016][ T10] do_syscall_64+0xc6/0x1e0 [10213.671016][ T10] [10213.675785][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10213.675785][ T10] ipv6_add_dev+0x3ba/0x11c0 [10213.675785][ T10] ipv6_find_idev+0x102/0x170 [10213.675785][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10213.675785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10213.675785][ T10] netlink_rcv_skb+0x130/0x360 [10213.675785][ T10] netlink_unicast+0x449/0x710 [10213.675785][ T10] netlink_sendmsg+0x723/0xbe0 [10213.675785][ T10] ____sys_sendmsg+0x7b2/0xa10 [10213.675785][ T10] ___sys_sendmsg+0xee/0x170 [10213.675785][ T10] __sys_sendmsg+0xcd/0x170 [10213.675785][ T10] do_syscall_64+0xc6/0x1e0 [10213.675785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10213.675785][ T10] [10213.679713][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10213.679713][ T10] neigh_parms_alloc+0x1e5/0x510 [10213.679713][ T10] ipv6_add_dev+0x2fe/0x11c0 [10213.679713][ T10] ipv6_find_idev+0x102/0x170 [10213.679713][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10213.679713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10213.679713][ T10] netlink_rcv_skb+0x130/0x360 [10213.679713][ T10] netlink_unicast+0x449/0x710 [10213.679713][ T10] netlink_sendmsg+0x723/0xbe0 [10213.679713][ T10] ____sys_sendmsg+0x7b2/0xa10 [10213.679713][ T10] ___sys_sendmsg+0xee/0x170 [10213.679713][ T10] __sys_sendmsg+0xcd/0x170 [10213.679713][ T10] do_syscall_64+0xc6/0x1e0 [10213.679713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10213.679713][ T10] [10213.684317][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10213.684903][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10213.684903][ T10] netdev_get_by_index+0x5e/0x80 [10213.684903][ T10] fib6_nh_init+0x3d8/0x1580 [10213.684903][ T10] ip6_route_info_create+0xf18/0x17d0 [10213.684903][ T10] addrconf_f6i_alloc+0x265/0x560 [10213.684903][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10213.684903][ T10] addrconf_join_anycast+0x1c0/0x220 [10213.684903][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10213.684903][ T10] addrconf_dad_completed+0x12b/0xe20 [10213.684903][ T10] addrconf_dad_begin+0x310/0x670 [10213.684903][ T10] addrconf_dad_work+0x10b/0xab0 [10213.684903][ T10] process_one_work+0x84d/0x18a0 [10213.684903][ T10] worker_thread+0x587/0xd30 [10213.684903][ T10] kthread+0x28a/0x350 [10213.684903][ T10] ret_from_fork+0x31/0x70 [10213.684903][ T10] ret_from_fork_asm+0x1a/0x30 [10213.684903][ T10] [10213.689663][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10213.689663][ T10] netdev_get_by_index+0x5e/0x80 [10213.689663][ T10] fib6_nh_init+0x3d8/0x1580 [10213.689663][ T10] ip6_route_info_create+0xf18/0x17d0 [10213.689663][ T10] ip6_route_add+0x1c/0x140 [10213.689663][ T10] addrconf_prefix_route+0x2a6/0x430 [10213.689663][ T10] inet6_addr_add+0x4f8/0xa40 [10213.689663][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10213.689663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10213.689663][ T10] netlink_rcv_skb+0x130/0x360 [10213.689663][ T10] netlink_unicast+0x449/0x710 [10213.689663][ T10] netlink_sendmsg+0x723/0xbe0 [10213.689663][ T10] ____sys_sendmsg+0x7b2/0xa10 [10213.689663][ T10] ___sys_sendmsg+0xee/0x170 [10213.689663][ T10] __sys_sendmsg+0xcd/0x170 [10213.689663][ T10] do_syscall_64+0xc6/0x1e0 [10213.689663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10213.689663][ T10] [10213.694804][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10213.694804][ T10] netdev_get_by_index+0x5e/0x80 [10213.694804][ T10] fib6_nh_init+0x3d8/0x1580 [10213.694804][ T10] ip6_route_info_create+0xf18/0x17d0 [10213.694804][ T10] addrconf_f6i_alloc+0x315/0x560 [10213.694804][ T10] ipv6_add_addr+0x411/0x2000 [10213.694804][ T10] inet6_addr_add+0x30e/0xa40 [10213.694804][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10213.694804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10213.694804][ T10] netlink_rcv_skb+0x130/0x360 [10213.694804][ T10] netlink_unicast+0x449/0x710 [10213.694804][ T10] netlink_sendmsg+0x723/0xbe0 [10213.694804][ T10] ____sys_sendmsg+0x7b2/0xa10 [10213.694804][ T10] ___sys_sendmsg+0xee/0x170 [10213.694804][ T10] __sys_sendmsg+0xcd/0x170 [10213.694804][ T10] do_syscall_64+0xc6/0x1e0 [10213.694804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10213.694804][ T10] [10213.700024][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10213.700024][ T10] netdev_get_by_index+0x5e/0x80 [10213.700024][ T10] fib6_nh_init+0x3d8/0x1580 [10213.700024][ T10] ip6_route_info_create+0xf18/0x17d0 [10213.700024][ T10] ip6_route_add+0x1c/0x140 [10213.700024][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10213.700024][ T10] addrconf_add_dev+0xe2/0x170 [10213.700024][ T10] inet6_addr_add+0x12f/0xa40 [10213.700024][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10213.700024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10213.700024][ T10] netlink_rcv_skb+0x130/0x360 [10213.700024][ T10] netlink_unicast+0x449/0x710 [10213.700024][ T10] netlink_sendmsg+0x723/0xbe0 [10213.700024][ T10] ____sys_sendmsg+0x7b2/0xa10 [10213.700024][ T10] ___sys_sendmsg+0xee/0x170 [10213.700024][ T10] __sys_sendmsg+0xcd/0x170 [10213.700024][ T10] do_syscall_64+0xc6/0x1e0 [10213.700024][ T10] [10213.705127][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10213.705127][ T10] ipv6_add_dev+0x3ba/0x11c0 [10213.705127][ T10] ipv6_find_idev+0x102/0x170 [10213.705127][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10213.705127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10213.705127][ T10] netlink_rcv_skb+0x130/0x360 [10213.705127][ T10] netlink_unicast+0x449/0x710 [10213.705127][ T10] netlink_sendmsg+0x723/0xbe0 [10213.705127][ T10] ____sys_sendmsg+0x7b2/0xa10 [10213.705127][ T10] ___sys_sendmsg+0xee/0x170 [10213.705127][ T10] __sys_sendmsg+0xcd/0x170 [10213.705127][ T10] do_syscall_64+0xc6/0x1e0 [10213.705127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10213.705127][ T10] [10213.709211][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10213.709211][ T10] neigh_parms_alloc+0x1e5/0x510 [10213.709211][ T10] ipv6_add_dev+0x2fe/0x11c0 [10213.709211][ T10] ipv6_find_idev+0x102/0x170 [10213.709211][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10213.709211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10213.709211][ T10] netlink_rcv_skb+0x130/0x360 [10213.709211][ T10] netlink_unicast+0x449/0x710 [10213.709211][ T10] netlink_sendmsg+0x723/0xbe0 [10213.709211][ T10] ____sys_sendmsg+0x7b2/0xa10 [10213.709211][ T10] ___sys_sendmsg+0xee/0x170 [10213.709211][ T10] __sys_sendmsg+0xcd/0x170 [10213.709211][ T10] do_syscall_64+0xc6/0x1e0 [10213.709211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10213.709211][ T10] [10223.889391][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10223.890345][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10223.890345][ T1167] dst_init+0x84/0x4a0 [10223.890345][ T1167] dst_alloc+0x97/0x150 [10223.890345][ T1167] ip6_dst_alloc+0x23/0x90 [10223.890345][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10223.890345][ T1167] ip6_pol_route+0x56f/0x840 [10223.890345][ T1167] fib6_rule_lookup+0x334/0x630 [10223.890345][ T1167] ip6_route_output_flags+0x259/0x480 [10223.890345][ T1167] inet6_rtm_getroute+0x980/0xf70 [10223.890345][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10223.890345][ T1167] netlink_rcv_skb+0x130/0x360 [10223.890345][ T1167] netlink_unicast+0x449/0x710 [10223.890345][ T1167] netlink_sendmsg+0x723/0xbe0 [10223.890345][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10223.890345][ T1167] ___sys_sendmsg+0xee/0x170 [10223.890345][ T1167] __sys_sendmsg+0xcd/0x170 [10223.890345][ T1167] do_syscall_64+0xc6/0x1e0 [10223.890345][ T1167] [10223.894230][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10223.894230][ T1167] netdev_get_by_index+0x5e/0x80 [10223.894230][ T1167] fib6_nh_init+0x3d8/0x1580 [10223.894230][ T1167] ip6_route_info_create+0xf18/0x17d0 [10223.894230][ T1167] addrconf_f6i_alloc+0x265/0x560 [10223.894230][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10223.894230][ T1167] addrconf_join_anycast+0x1c0/0x220 [10223.894230][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10223.894230][ T1167] addrconf_dad_completed+0x12b/0xe20 [10223.894230][ T1167] addrconf_dad_begin+0x310/0x670 [10223.894230][ T1167] addrconf_dad_work+0x10b/0xab0 [10223.894230][ T1167] process_one_work+0x84d/0x18a0 [10223.894230][ T1167] worker_thread+0x587/0xd30 [10223.894230][ T1167] kthread+0x28a/0x350 [10223.894230][ T1167] ret_from_fork+0x31/0x70 [10223.894230][ T1167] ret_from_fork_asm+0x1a/0x30 [10223.894230][ T1167] [10223.897996][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10223.897996][ T1167] netdev_get_by_index+0x5e/0x80 [10223.897996][ T1167] fib6_nh_init+0x3d8/0x1580 [10223.897996][ T1167] ip6_route_info_create+0xf18/0x17d0 [10223.897996][ T1167] ip6_route_add+0x1c/0x140 [10223.897996][ T1167] addrconf_prefix_route+0x2a6/0x430 [10223.897996][ T1167] inet6_addr_add+0x4f8/0xa40 [10223.897996][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10223.897996][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10223.897996][ T1167] netlink_rcv_skb+0x130/0x360 [10223.897996][ T1167] netlink_unicast+0x449/0x710 [10223.897996][ T1167] netlink_sendmsg+0x723/0xbe0 [10223.897996][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10223.897996][ T1167] ___sys_sendmsg+0xee/0x170 [10223.897996][ T1167] __sys_sendmsg+0xcd/0x170 [10223.897996][ T1167] do_syscall_64+0xc6/0x1e0 [10223.897996][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10223.897996][ T1167] [10223.901896][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10223.901896][ T1167] netdev_get_by_index+0x5e/0x80 [10223.901896][ T1167] fib6_nh_init+0x3d8/0x1580 [10223.901896][ T1167] ip6_route_info_create+0xf18/0x17d0 [10223.901896][ T1167] addrconf_f6i_alloc+0x315/0x560 [10223.901896][ T1167] ipv6_add_addr+0x411/0x2000 [10223.901896][ T1167] inet6_addr_add+0x30e/0xa40 [10223.901896][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10223.901896][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10223.901896][ T1167] netlink_rcv_skb+0x130/0x360 [10223.901896][ T1167] netlink_unicast+0x449/0x710 [10223.901896][ T1167] netlink_sendmsg+0x723/0xbe0 [10223.901896][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10223.901896][ T1167] ___sys_sendmsg+0xee/0x170 [10223.901896][ T1167] __sys_sendmsg+0xcd/0x170 [10223.901896][ T1167] do_syscall_64+0xc6/0x1e0 [10223.901896][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10223.901896][ T1167] [10223.905791][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10223.905791][ T1167] netdev_get_by_index+0x5e/0x80 [10223.905791][ T1167] fib6_nh_init+0x3d8/0x1580 [10223.905791][ T1167] ip6_route_info_create+0xf18/0x17d0 [10223.905791][ T1167] ip6_route_add+0x1c/0x140 [10223.905791][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10223.905791][ T1167] addrconf_add_dev+0xe2/0x170 [10223.905791][ T1167] inet6_addr_add+0x12f/0xa40 [10223.905791][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10223.905791][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10223.905791][ T1167] netlink_rcv_skb+0x130/0x360 [10223.905791][ T1167] netlink_unicast+0x449/0x710 [10223.905791][ T1167] netlink_sendmsg+0x723/0xbe0 [10223.905791][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10223.905791][ T1167] ___sys_sendmsg+0xee/0x170 [10223.905791][ T1167] __sys_sendmsg+0xcd/0x170 [10223.905791][ T1167] do_syscall_64+0xc6/0x1e0 [10223.905791][ T1167] [10223.909502][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10223.909502][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10223.909502][ T1167] ipv6_find_idev+0x102/0x170 [10223.909502][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10223.909502][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10223.909502][ T1167] netlink_rcv_skb+0x130/0x360 [10223.909502][ T1167] netlink_unicast+0x449/0x710 [10223.909502][ T1167] netlink_sendmsg+0x723/0xbe0 [10223.909502][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10223.909502][ T1167] ___sys_sendmsg+0xee/0x170 [10223.909502][ T1167] __sys_sendmsg+0xcd/0x170 [10223.909502][ T1167] do_syscall_64+0xc6/0x1e0 [10223.909502][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10223.909502][ T1167] [10223.912452][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10223.912452][ T1167] neigh_parms_alloc+0x1e5/0x510 [10223.912452][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10223.912452][ T1167] ipv6_find_idev+0x102/0x170 [10223.912452][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10223.912452][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10223.912452][ T1167] netlink_rcv_skb+0x130/0x360 [10223.912452][ T1167] netlink_unicast+0x449/0x710 [10223.912452][ T1167] netlink_sendmsg+0x723/0xbe0 [10223.912452][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10223.912452][ T1167] ___sys_sendmsg+0xee/0x170 [10223.912452][ T1167] __sys_sendmsg+0xcd/0x170 [10223.912452][ T1167] do_syscall_64+0xc6/0x1e0 [10223.912452][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10223.912452][ T1167] [10223.970398][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10223.971052][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10223.971052][ T10] netdev_get_by_index+0x5e/0x80 [10223.971052][ T10] fib6_nh_init+0x3d8/0x1580 [10223.971052][ T10] ip6_route_info_create+0xf18/0x17d0 [10223.971052][ T10] addrconf_f6i_alloc+0x265/0x560 [10223.971052][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10223.971052][ T10] addrconf_join_anycast+0x1c0/0x220 [10223.971052][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10223.971052][ T10] addrconf_dad_completed+0x12b/0xe20 [10223.971052][ T10] addrconf_dad_begin+0x310/0x670 [10223.971052][ T10] addrconf_dad_work+0x10b/0xab0 [10223.971052][ T10] process_one_work+0x84d/0x18a0 [10223.971052][ T10] worker_thread+0x587/0xd30 [10223.971052][ T10] kthread+0x28a/0x350 [10223.971052][ T10] ret_from_fork+0x31/0x70 [10223.971052][ T10] ret_from_fork_asm+0x1a/0x30 [10223.971052][ T10] [10223.974546][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10223.974546][ T10] netdev_get_by_index+0x5e/0x80 [10223.974546][ T10] fib6_nh_init+0x3d8/0x1580 [10223.974546][ T10] ip6_route_info_create+0xf18/0x17d0 [10223.974546][ T10] ip6_route_add+0x1c/0x140 [10223.974546][ T10] addrconf_prefix_route+0x2a6/0x430 [10223.974546][ T10] inet6_addr_add+0x4f8/0xa40 [10223.974546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10223.974546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10223.974546][ T10] netlink_rcv_skb+0x130/0x360 [10223.974546][ T10] netlink_unicast+0x449/0x710 [10223.974546][ T10] netlink_sendmsg+0x723/0xbe0 [10223.974546][ T10] ____sys_sendmsg+0x7b2/0xa10 [10223.974546][ T10] ___sys_sendmsg+0xee/0x170 [10223.974546][ T10] __sys_sendmsg+0xcd/0x170 [10223.974546][ T10] do_syscall_64+0xc6/0x1e0 [10223.974546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10223.974546][ T10] [10223.978170][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10223.978170][ T10] netdev_get_by_index+0x5e/0x80 [10223.978170][ T10] fib6_nh_init+0x3d8/0x1580 [10223.978170][ T10] ip6_route_info_create+0xf18/0x17d0 [10223.978170][ T10] addrconf_f6i_alloc+0x315/0x560 [10223.978170][ T10] ipv6_add_addr+0x411/0x2000 [10223.978170][ T10] inet6_addr_add+0x30e/0xa40 [10223.978170][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10223.978170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10223.978170][ T10] netlink_rcv_skb+0x130/0x360 [10223.978170][ T10] netlink_unicast+0x449/0x710 [10223.978170][ T10] netlink_sendmsg+0x723/0xbe0 [10223.978170][ T10] ____sys_sendmsg+0x7b2/0xa10 [10223.978170][ T10] ___sys_sendmsg+0xee/0x170 [10223.978170][ T10] __sys_sendmsg+0xcd/0x170 [10223.978170][ T10] do_syscall_64+0xc6/0x1e0 [10223.978170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10223.978170][ T10] [10223.981807][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10223.981807][ T10] netdev_get_by_index+0x5e/0x80 [10223.981807][ T10] fib6_nh_init+0x3d8/0x1580 [10223.981807][ T10] ip6_route_info_create+0xf18/0x17d0 [10223.981807][ T10] ip6_route_add+0x1c/0x140 [10223.981807][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10223.981807][ T10] addrconf_add_dev+0xe2/0x170 [10223.981807][ T10] inet6_addr_add+0x12f/0xa40 [10223.981807][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10223.981807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10223.981807][ T10] netlink_rcv_skb+0x130/0x360 [10223.981807][ T10] netlink_unicast+0x449/0x710 [10223.981807][ T10] netlink_sendmsg+0x723/0xbe0 [10223.981807][ T10] ____sys_sendmsg+0x7b2/0xa10 [10223.981807][ T10] ___sys_sendmsg+0xee/0x170 [10223.981807][ T10] __sys_sendmsg+0xcd/0x170 [10223.981807][ T10] do_syscall_64+0xc6/0x1e0 [10223.981807][ T10] [10223.985217][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10223.985217][ T10] ipv6_add_dev+0x3ba/0x11c0 [10223.985217][ T10] ipv6_find_idev+0x102/0x170 [10223.985217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10223.985217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10223.985217][ T10] netlink_rcv_skb+0x130/0x360 [10223.985217][ T10] netlink_unicast+0x449/0x710 [10223.985217][ T10] netlink_sendmsg+0x723/0xbe0 [10223.985217][ T10] ____sys_sendmsg+0x7b2/0xa10 [10223.985217][ T10] ___sys_sendmsg+0xee/0x170 [10223.985217][ T10] __sys_sendmsg+0xcd/0x170 [10223.985217][ T10] do_syscall_64+0xc6/0x1e0 [10223.985217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10223.985217][ T10] [10223.988433][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10223.988433][ T10] neigh_parms_alloc+0x1e5/0x510 [10223.988433][ T10] ipv6_add_dev+0x2fe/0x11c0 [10223.988433][ T10] ipv6_find_idev+0x102/0x170 [10223.988433][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10223.988433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10223.988433][ T10] netlink_rcv_skb+0x130/0x360 [10223.988433][ T10] netlink_unicast+0x449/0x710 [10223.988433][ T10] netlink_sendmsg+0x723/0xbe0 [10223.988433][ T10] ____sys_sendmsg+0x7b2/0xa10 [10223.988433][ T10] ___sys_sendmsg+0xee/0x170 [10223.988433][ T10] __sys_sendmsg+0xcd/0x170 [10223.988433][ T10] do_syscall_64+0xc6/0x1e0 [10223.988433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10223.988433][ T10] [10223.992356][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10223.992826][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10223.992826][ T10] netdev_get_by_index+0x5e/0x80 [10223.992826][ T10] fib6_nh_init+0x3d8/0x1580 [10223.992826][ T10] ip6_route_info_create+0xf18/0x17d0 [10223.992826][ T10] addrconf_f6i_alloc+0x265/0x560 [10223.992826][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10223.992826][ T10] addrconf_join_anycast+0x1c0/0x220 [10223.992826][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10223.992826][ T10] addrconf_dad_completed+0x12b/0xe20 [10223.992826][ T10] addrconf_dad_begin+0x310/0x670 [10223.992826][ T10] addrconf_dad_work+0x10b/0xab0 [10223.992826][ T10] process_one_work+0x84d/0x18a0 [10223.992826][ T10] worker_thread+0x587/0xd30 [10223.992826][ T10] kthread+0x28a/0x350 [10223.992826][ T10] ret_from_fork+0x31/0x70 [10223.992826][ T10] ret_from_fork_asm+0x1a/0x30 [10223.992826][ T10] [10223.996127][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10223.996127][ T10] netdev_get_by_index+0x5e/0x80 [10223.996127][ T10] fib6_nh_init+0x3d8/0x1580 [10223.996127][ T10] ip6_route_info_create+0xf18/0x17d0 [10223.996127][ T10] ip6_route_add+0x1c/0x140 [10223.996127][ T10] addrconf_prefix_route+0x2a6/0x430 [10223.996127][ T10] inet6_addr_add+0x4f8/0xa40 [10223.996127][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10223.996127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10223.996127][ T10] netlink_rcv_skb+0x130/0x360 [10223.996127][ T10] netlink_unicast+0x449/0x710 [10223.996127][ T10] netlink_sendmsg+0x723/0xbe0 [10223.996127][ T10] ____sys_sendmsg+0x7b2/0xa10 [10223.996127][ T10] ___sys_sendmsg+0xee/0x170 [10223.996127][ T10] __sys_sendmsg+0xcd/0x170 [10223.996127][ T10] do_syscall_64+0xc6/0x1e0 [10223.996127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10223.996127][ T10] [10224.003729][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10224.003729][ T10] netdev_get_by_index+0x5e/0x80 [10224.003729][ T10] fib6_nh_init+0x3d8/0x1580 [10224.003729][ T10] ip6_route_info_create+0xf18/0x17d0 [10224.003729][ T10] addrconf_f6i_alloc+0x315/0x560 [10224.003729][ T10] ipv6_add_addr+0x411/0x2000 [10224.003729][ T10] inet6_addr_add+0x30e/0xa40 [10224.003729][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10224.003729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10224.003729][ T10] netlink_rcv_skb+0x130/0x360 [10224.003729][ T10] netlink_unicast+0x449/0x710 [10224.003729][ T10] netlink_sendmsg+0x723/0xbe0 [10224.003729][ T10] ____sys_sendmsg+0x7b2/0xa10 [10224.003729][ T10] ___sys_sendmsg+0xee/0x170 [10224.003729][ T10] __sys_sendmsg+0xcd/0x170 [10224.003729][ T10] do_syscall_64+0xc6/0x1e0 [10224.003729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10224.003729][ T10] [10224.009283][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10224.009283][ T10] netdev_get_by_index+0x5e/0x80 [10224.009283][ T10] fib6_nh_init+0x3d8/0x1580 [10224.009283][ T10] ip6_route_info_create+0xf18/0x17d0 [10224.009283][ T10] ip6_route_add+0x1c/0x140 [10224.009283][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10224.009283][ T10] addrconf_add_dev+0xe2/0x170 [10224.009283][ T10] inet6_addr_add+0x12f/0xa40 [10224.009283][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10224.009283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10224.009283][ T10] netlink_rcv_skb+0x130/0x360 [10224.009283][ T10] netlink_unicast+0x449/0x710 [10224.009283][ T10] netlink_sendmsg+0x723/0xbe0 [10224.009283][ T10] ____sys_sendmsg+0x7b2/0xa10 [10224.009283][ T10] ___sys_sendmsg+0xee/0x170 [10224.009283][ T10] __sys_sendmsg+0xcd/0x170 [10224.009283][ T10] do_syscall_64+0xc6/0x1e0 [10224.009283][ T10] [10224.041055][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10224.041055][ T10] ipv6_add_dev+0x3ba/0x11c0 [10224.041055][ T10] ipv6_find_idev+0x102/0x170 [10224.041055][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10224.041055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10224.041055][ T10] netlink_rcv_skb+0x130/0x360 [10224.041055][ T10] netlink_unicast+0x449/0x710 [10224.041055][ T10] netlink_sendmsg+0x723/0xbe0 [10224.041055][ T10] ____sys_sendmsg+0x7b2/0xa10 [10224.041055][ T10] ___sys_sendmsg+0xee/0x170 [10224.041055][ T10] __sys_sendmsg+0xcd/0x170 [10224.041055][ T10] do_syscall_64+0xc6/0x1e0 [10224.041055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10224.041055][ T10] [10224.044232][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10224.044232][ T10] neigh_parms_alloc+0x1e5/0x510 [10224.044232][ T10] ipv6_add_dev+0x2fe/0x11c0 [10224.044232][ T10] ipv6_find_idev+0x102/0x170 [10224.044232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10224.044232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10224.044232][ T10] netlink_rcv_skb+0x130/0x360 [10224.044232][ T10] netlink_unicast+0x449/0x710 [10224.044232][ T10] netlink_sendmsg+0x723/0xbe0 [10224.044232][ T10] ____sys_sendmsg+0x7b2/0xa10 [10224.044232][ T10] ___sys_sendmsg+0xee/0x170 [10224.044232][ T10] __sys_sendmsg+0xcd/0x170 [10224.044232][ T10] do_syscall_64+0xc6/0x1e0 [10224.044232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10224.044232][ T10] [10224.050307][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10224.050967][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10224.050967][ T10] netdev_get_by_index+0x5e/0x80 [10224.050967][ T10] fib6_nh_init+0x3d8/0x1580 [10224.050967][ T10] ip6_route_info_create+0xf18/0x17d0 [10224.050967][ T10] addrconf_f6i_alloc+0x265/0x560 [10224.050967][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10224.050967][ T10] addrconf_join_anycast+0x1c0/0x220 [10224.050967][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10224.050967][ T10] addrconf_dad_completed+0x12b/0xe20 [10224.050967][ T10] addrconf_dad_begin+0x310/0x670 [10224.050967][ T10] addrconf_dad_work+0x10b/0xab0 [10224.050967][ T10] process_one_work+0x84d/0x18a0 [10224.050967][ T10] worker_thread+0x587/0xd30 [10224.050967][ T10] kthread+0x28a/0x350 [10224.050967][ T10] ret_from_fork+0x31/0x70 [10224.050967][ T10] ret_from_fork_asm+0x1a/0x30 [10224.050967][ T10] [10224.055188][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10224.055188][ T10] netdev_get_by_index+0x5e/0x80 [10224.055188][ T10] fib6_nh_init+0x3d8/0x1580 [10224.055188][ T10] ip6_route_info_create+0xf18/0x17d0 [10224.055188][ T10] ip6_route_add+0x1c/0x140 [10224.055188][ T10] addrconf_prefix_route+0x2a6/0x430 [10224.055188][ T10] inet6_addr_add+0x4f8/0xa40 [10224.055188][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10224.055188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10224.055188][ T10] netlink_rcv_skb+0x130/0x360 [10224.055188][ T10] netlink_unicast+0x449/0x710 [10224.055188][ T10] netlink_sendmsg+0x723/0xbe0 [10224.055188][ T10] ____sys_sendmsg+0x7b2/0xa10 [10224.055188][ T10] ___sys_sendmsg+0xee/0x170 [10224.055188][ T10] __sys_sendmsg+0xcd/0x170 [10224.055188][ T10] do_syscall_64+0xc6/0x1e0 [10224.055188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10224.055188][ T10] [10224.059424][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10224.059424][ T10] netdev_get_by_index+0x5e/0x80 [10224.059424][ T10] fib6_nh_init+0x3d8/0x1580 [10224.059424][ T10] ip6_route_info_create+0xf18/0x17d0 [10224.059424][ T10] addrconf_f6i_alloc+0x315/0x560 [10224.059424][ T10] ipv6_add_addr+0x411/0x2000 [10224.059424][ T10] inet6_addr_add+0x30e/0xa40 [10224.059424][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10224.059424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10224.059424][ T10] netlink_rcv_skb+0x130/0x360 [10224.059424][ T10] netlink_unicast+0x449/0x710 [10224.059424][ T10] netlink_sendmsg+0x723/0xbe0 [10224.059424][ T10] ____sys_sendmsg+0x7b2/0xa10 [10224.059424][ T10] ___sys_sendmsg+0xee/0x170 [10224.059424][ T10] __sys_sendmsg+0xcd/0x170 [10224.059424][ T10] do_syscall_64+0xc6/0x1e0 [10224.059424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10224.059424][ T10] [10224.119495][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10224.119495][ T10] netdev_get_by_index+0x5e/0x80 [10224.119495][ T10] fib6_nh_init+0x3d8/0x1580 [10224.119495][ T10] ip6_route_info_create+0xf18/0x17d0 [10224.119495][ T10] ip6_route_add+0x1c/0x140 [10224.119495][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10224.119495][ T10] addrconf_add_dev+0xe2/0x170 [10224.119495][ T10] inet6_addr_add+0x12f/0xa40 [10224.119495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10224.119495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10224.119495][ T10] netlink_rcv_skb+0x130/0x360 [10224.119495][ T10] netlink_unicast+0x449/0x710 [10224.119495][ T10] netlink_sendmsg+0x723/0xbe0 [10224.119495][ T10] ____sys_sendmsg+0x7b2/0xa10 [10224.119495][ T10] ___sys_sendmsg+0xee/0x170 [10224.119495][ T10] __sys_sendmsg+0xcd/0x170 [10224.119495][ T10] do_syscall_64+0xc6/0x1e0 [10224.119495][ T10] [10224.127729][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10224.127729][ T10] ipv6_add_dev+0x3ba/0x11c0 [10224.127729][ T10] ipv6_find_idev+0x102/0x170 [10224.127729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10224.127729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10224.127729][ T10] netlink_rcv_skb+0x130/0x360 [10224.127729][ T10] netlink_unicast+0x449/0x710 [10224.127729][ T10] netlink_sendmsg+0x723/0xbe0 [10224.127729][ T10] ____sys_sendmsg+0x7b2/0xa10 [10224.127729][ T10] ___sys_sendmsg+0xee/0x170 [10224.127729][ T10] __sys_sendmsg+0xcd/0x170 [10224.127729][ T10] do_syscall_64+0xc6/0x1e0 [10224.127729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10224.127729][ T10] [10224.137279][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10224.137279][ T10] neigh_parms_alloc+0x1e5/0x510 [10224.137279][ T10] ipv6_add_dev+0x2fe/0x11c0 [10224.137279][ T10] ipv6_find_idev+0x102/0x170 [10224.137279][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10224.137279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10224.137279][ T10] netlink_rcv_skb+0x130/0x360 [10224.137279][ T10] netlink_unicast+0x449/0x710 [10224.137279][ T10] netlink_sendmsg+0x723/0xbe0 [10224.137279][ T10] ____sys_sendmsg+0x7b2/0xa10 [10224.137279][ T10] ___sys_sendmsg+0xee/0x170 [10224.137279][ T10] __sys_sendmsg+0xcd/0x170 [10224.137279][ T10] do_syscall_64+0xc6/0x1e0 [10224.137279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10224.137279][ T10] [10224.155514][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10224.159767][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10224.159767][ T10] netdev_get_by_index+0x5e/0x80 [10224.159767][ T10] fib6_nh_init+0x3d8/0x1580 [10224.159767][ T10] ip6_route_info_create+0xf18/0x17d0 [10224.159767][ T10] addrconf_f6i_alloc+0x265/0x560 [10224.159767][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10224.159767][ T10] addrconf_join_anycast+0x1c0/0x220 [10224.159767][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10224.159767][ T10] addrconf_dad_completed+0x12b/0xe20 [10224.159767][ T10] addrconf_dad_begin+0x310/0x670 [10224.159767][ T10] addrconf_dad_work+0x10b/0xab0 [10224.159767][ T10] process_one_work+0x84d/0x18a0 [10224.159767][ T10] worker_thread+0x587/0xd30 [10224.159767][ T10] kthread+0x28a/0x350 [10224.159767][ T10] ret_from_fork+0x31/0x70 [10224.159767][ T10] ret_from_fork_asm+0x1a/0x30 [10224.159767][ T10] [10224.173504][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10224.173504][ T10] netdev_get_by_index+0x5e/0x80 [10224.173504][ T10] fib6_nh_init+0x3d8/0x1580 [10224.173504][ T10] ip6_route_info_create+0xf18/0x17d0 [10224.173504][ T10] ip6_route_add+0x1c/0x140 [10224.173504][ T10] addrconf_prefix_route+0x2a6/0x430 [10224.173504][ T10] inet6_addr_add+0x4f8/0xa40 [10224.173504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10224.173504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10224.173504][ T10] netlink_rcv_skb+0x130/0x360 [10224.173504][ T10] netlink_unicast+0x449/0x710 [10224.173504][ T10] netlink_sendmsg+0x723/0xbe0 [10224.173504][ T10] ____sys_sendmsg+0x7b2/0xa10 [10224.173504][ T10] ___sys_sendmsg+0xee/0x170 [10224.173504][ T10] __sys_sendmsg+0xcd/0x170 [10224.173504][ T10] do_syscall_64+0xc6/0x1e0 [10224.173504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10224.173504][ T10] [10224.179886][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10224.179886][ T10] netdev_get_by_index+0x5e/0x80 [10224.179886][ T10] fib6_nh_init+0x3d8/0x1580 [10224.179886][ T10] ip6_route_info_create+0xf18/0x17d0 [10224.179886][ T10] addrconf_f6i_alloc+0x315/0x560 [10224.179886][ T10] ipv6_add_addr+0x411/0x2000 [10224.179886][ T10] inet6_addr_add+0x30e/0xa40 [10224.179886][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10224.179886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10224.179886][ T10] netlink_rcv_skb+0x130/0x360 [10224.179886][ T10] netlink_unicast+0x449/0x710 [10224.179886][ T10] netlink_sendmsg+0x723/0xbe0 [10224.179886][ T10] ____sys_sendmsg+0x7b2/0xa10 [10224.179886][ T10] ___sys_sendmsg+0xee/0x170 [10224.179886][ T10] __sys_sendmsg+0xcd/0x170 [10224.179886][ T10] do_syscall_64+0xc6/0x1e0 [10224.179886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10224.179886][ T10] [10224.212372][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10224.212372][ T10] netdev_get_by_index+0x5e/0x80 [10224.212372][ T10] fib6_nh_init+0x3d8/0x1580 [10224.212372][ T10] ip6_route_info_create+0xf18/0x17d0 [10224.212372][ T10] ip6_route_add+0x1c/0x140 [10224.212372][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10224.212372][ T10] addrconf_add_dev+0xe2/0x170 [10224.212372][ T10] inet6_addr_add+0x12f/0xa40 [10224.212372][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10224.212372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10224.212372][ T10] netlink_rcv_skb+0x130/0x360 [10224.212372][ T10] netlink_unicast+0x449/0x710 [10224.212372][ T10] netlink_sendmsg+0x723/0xbe0 [10224.212372][ T10] ____sys_sendmsg+0x7b2/0xa10 [10224.212372][ T10] ___sys_sendmsg+0xee/0x170 [10224.212372][ T10] __sys_sendmsg+0xcd/0x170 [10224.212372][ T10] do_syscall_64+0xc6/0x1e0 [10224.212372][ T10] [10224.216726][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10224.216726][ T10] ipv6_add_dev+0x3ba/0x11c0 [10224.216726][ T10] ipv6_find_idev+0x102/0x170 [10224.216726][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10224.216726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10224.216726][ T10] netlink_rcv_skb+0x130/0x360 [10224.216726][ T10] netlink_unicast+0x449/0x710 [10224.216726][ T10] netlink_sendmsg+0x723/0xbe0 [10224.216726][ T10] ____sys_sendmsg+0x7b2/0xa10 [10224.216726][ T10] ___sys_sendmsg+0xee/0x170 [10224.216726][ T10] __sys_sendmsg+0xcd/0x170 [10224.216726][ T10] do_syscall_64+0xc6/0x1e0 [10224.216726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10224.216726][ T10] [10224.220245][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10224.220245][ T10] neigh_parms_alloc+0x1e5/0x510 [10224.220245][ T10] ipv6_add_dev+0x2fe/0x11c0 [10224.220245][ T10] ipv6_find_idev+0x102/0x170 [10224.220245][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10224.220245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10224.220245][ T10] netlink_rcv_skb+0x130/0x360 [10224.220245][ T10] netlink_unicast+0x449/0x710 [10224.220245][ T10] netlink_sendmsg+0x723/0xbe0 [10224.220245][ T10] ____sys_sendmsg+0x7b2/0xa10 [10224.220245][ T10] ___sys_sendmsg+0xee/0x170 [10224.220245][ T10] __sys_sendmsg+0xcd/0x170 [10224.220245][ T10] do_syscall_64+0xc6/0x1e0 [10224.220245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10224.220245][ T10] [10234.081231][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10234.091246][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10234.091246][ T1167] dst_init+0x84/0x4a0 [10234.091246][ T1167] dst_alloc+0x97/0x150 [10234.091246][ T1167] ip6_dst_alloc+0x23/0x90 [10234.091246][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10234.091246][ T1167] ip6_pol_route+0x56f/0x840 [10234.091246][ T1167] fib6_rule_lookup+0x334/0x630 [10234.091246][ T1167] ip6_route_output_flags+0x259/0x480 [10234.091246][ T1167] inet6_rtm_getroute+0x980/0xf70 [10234.091246][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10234.091246][ T1167] netlink_rcv_skb+0x130/0x360 [10234.091246][ T1167] netlink_unicast+0x449/0x710 [10234.091246][ T1167] netlink_sendmsg+0x723/0xbe0 [10234.091246][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10234.091246][ T1167] ___sys_sendmsg+0xee/0x170 [10234.091246][ T1167] __sys_sendmsg+0xcd/0x170 [10234.091246][ T1167] do_syscall_64+0xc6/0x1e0 [10234.091246][ T1167] [10234.098201][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10234.098201][ T1167] netdev_get_by_index+0x5e/0x80 [10234.098201][ T1167] fib6_nh_init+0x3d8/0x1580 [10234.098201][ T1167] ip6_route_info_create+0xf18/0x17d0 [10234.098201][ T1167] addrconf_f6i_alloc+0x265/0x560 [10234.098201][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10234.098201][ T1167] addrconf_join_anycast+0x1c0/0x220 [10234.098201][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10234.098201][ T1167] addrconf_dad_completed+0x12b/0xe20 [10234.098201][ T1167] addrconf_dad_begin+0x310/0x670 [10234.098201][ T1167] addrconf_dad_work+0x10b/0xab0 [10234.098201][ T1167] process_one_work+0x84d/0x18a0 [10234.098201][ T1167] worker_thread+0x587/0xd30 [10234.098201][ T1167] kthread+0x28a/0x350 [10234.098201][ T1167] ret_from_fork+0x31/0x70 [10234.098201][ T1167] ret_from_fork_asm+0x1a/0x30 [10234.098201][ T1167] [10234.110663][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10234.110663][ T1167] netdev_get_by_index+0x5e/0x80 [10234.110663][ T1167] fib6_nh_init+0x3d8/0x1580 [10234.110663][ T1167] ip6_route_info_create+0xf18/0x17d0 [10234.110663][ T1167] ip6_route_add+0x1c/0x140 [10234.110663][ T1167] addrconf_prefix_route+0x2a6/0x430 [10234.110663][ T1167] inet6_addr_add+0x4f8/0xa40 [10234.110663][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10234.110663][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10234.110663][ T1167] netlink_rcv_skb+0x130/0x360 [10234.110663][ T1167] netlink_unicast+0x449/0x710 [10234.110663][ T1167] netlink_sendmsg+0x723/0xbe0 [10234.110663][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10234.110663][ T1167] ___sys_sendmsg+0xee/0x170 [10234.110663][ T1167] __sys_sendmsg+0xcd/0x170 [10234.110663][ T1167] do_syscall_64+0xc6/0x1e0 [10234.110663][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10234.110663][ T1167] [10234.117639][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10234.117639][ T1167] netdev_get_by_index+0x5e/0x80 [10234.117639][ T1167] fib6_nh_init+0x3d8/0x1580 [10234.117639][ T1167] ip6_route_info_create+0xf18/0x17d0 [10234.117639][ T1167] addrconf_f6i_alloc+0x315/0x560 [10234.117639][ T1167] ipv6_add_addr+0x411/0x2000 [10234.117639][ T1167] inet6_addr_add+0x30e/0xa40 [10234.117639][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10234.117639][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10234.117639][ T1167] netlink_rcv_skb+0x130/0x360 [10234.117639][ T1167] netlink_unicast+0x449/0x710 [10234.117639][ T1167] netlink_sendmsg+0x723/0xbe0 [10234.117639][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10234.117639][ T1167] ___sys_sendmsg+0xee/0x170 [10234.117639][ T1167] __sys_sendmsg+0xcd/0x170 [10234.117639][ T1167] do_syscall_64+0xc6/0x1e0 [10234.117639][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10234.117639][ T1167] [10234.124504][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10234.124504][ T1167] netdev_get_by_index+0x5e/0x80 [10234.124504][ T1167] fib6_nh_init+0x3d8/0x1580 [10234.124504][ T1167] ip6_route_info_create+0xf18/0x17d0 [10234.124504][ T1167] ip6_route_add+0x1c/0x140 [10234.124504][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10234.124504][ T1167] addrconf_add_dev+0xe2/0x170 [10234.124504][ T1167] inet6_addr_add+0x12f/0xa40 [10234.124504][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10234.124504][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10234.124504][ T1167] netlink_rcv_skb+0x130/0x360 [10234.124504][ T1167] netlink_unicast+0x449/0x710 [10234.124504][ T1167] netlink_sendmsg+0x723/0xbe0 [10234.124504][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10234.124504][ T1167] ___sys_sendmsg+0xee/0x170 [10234.124504][ T1167] __sys_sendmsg+0xcd/0x170 [10234.124504][ T1167] do_syscall_64+0xc6/0x1e0 [10234.124504][ T1167] [10234.131313][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10234.131313][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10234.131313][ T1167] ipv6_find_idev+0x102/0x170 [10234.131313][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10234.131313][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10234.131313][ T1167] netlink_rcv_skb+0x130/0x360 [10234.131313][ T1167] netlink_unicast+0x449/0x710 [10234.131313][ T1167] netlink_sendmsg+0x723/0xbe0 [10234.131313][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10234.131313][ T1167] ___sys_sendmsg+0xee/0x170 [10234.131313][ T1167] __sys_sendmsg+0xcd/0x170 [10234.131313][ T1167] do_syscall_64+0xc6/0x1e0 [10234.131313][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10234.131313][ T1167] [10234.136788][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10234.136788][ T1167] neigh_parms_alloc+0x1e5/0x510 [10234.136788][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10234.136788][ T1167] ipv6_find_idev+0x102/0x170 [10234.136788][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10234.136788][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10234.136788][ T1167] netlink_rcv_skb+0x130/0x360 [10234.136788][ T1167] netlink_unicast+0x449/0x710 [10234.136788][ T1167] netlink_sendmsg+0x723/0xbe0 [10234.136788][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10234.136788][ T1167] ___sys_sendmsg+0xee/0x170 [10234.136788][ T1167] __sys_sendmsg+0xcd/0x170 [10234.136788][ T1167] do_syscall_64+0xc6/0x1e0 [10234.136788][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10234.136788][ T1167] [10234.337202][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10234.370607][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10234.370607][ T10] netdev_get_by_index+0x5e/0x80 [10234.370607][ T10] fib6_nh_init+0x3d8/0x1580 [10234.370607][ T10] ip6_route_info_create+0xf18/0x17d0 [10234.370607][ T10] addrconf_f6i_alloc+0x265/0x560 [10234.370607][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10234.370607][ T10] addrconf_join_anycast+0x1c0/0x220 [10234.370607][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10234.370607][ T10] addrconf_dad_completed+0x12b/0xe20 [10234.370607][ T10] addrconf_dad_begin+0x310/0x670 [10234.370607][ T10] addrconf_dad_work+0x10b/0xab0 [10234.370607][ T10] process_one_work+0x84d/0x18a0 [10234.370607][ T10] worker_thread+0x587/0xd30 [10234.370607][ T10] kthread+0x28a/0x350 [10234.370607][ T10] ret_from_fork+0x31/0x70 [10234.370607][ T10] ret_from_fork_asm+0x1a/0x30 [10234.370607][ T10] [10234.374548][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10234.374548][ T10] netdev_get_by_index+0x5e/0x80 [10234.374548][ T10] fib6_nh_init+0x3d8/0x1580 [10234.374548][ T10] ip6_route_info_create+0xf18/0x17d0 [10234.374548][ T10] ip6_route_add+0x1c/0x140 [10234.374548][ T10] addrconf_prefix_route+0x2a6/0x430 [10234.374548][ T10] inet6_addr_add+0x4f8/0xa40 [10234.374548][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10234.374548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10234.374548][ T10] netlink_rcv_skb+0x130/0x360 [10234.374548][ T10] netlink_unicast+0x449/0x710 [10234.374548][ T10] netlink_sendmsg+0x723/0xbe0 [10234.374548][ T10] ____sys_sendmsg+0x7b2/0xa10 [10234.374548][ T10] ___sys_sendmsg+0xee/0x170 [10234.374548][ T10] __sys_sendmsg+0xcd/0x170 [10234.374548][ T10] do_syscall_64+0xc6/0x1e0 [10234.374548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10234.374548][ T10] [10234.378444][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10234.378444][ T10] netdev_get_by_index+0x5e/0x80 [10234.378444][ T10] fib6_nh_init+0x3d8/0x1580 [10234.378444][ T10] ip6_route_info_create+0xf18/0x17d0 [10234.378444][ T10] addrconf_f6i_alloc+0x315/0x560 [10234.378444][ T10] ipv6_add_addr+0x411/0x2000 [10234.378444][ T10] inet6_addr_add+0x30e/0xa40 [10234.378444][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10234.378444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10234.378444][ T10] netlink_rcv_skb+0x130/0x360 [10234.378444][ T10] netlink_unicast+0x449/0x710 [10234.378444][ T10] netlink_sendmsg+0x723/0xbe0 [10234.378444][ T10] ____sys_sendmsg+0x7b2/0xa10 [10234.378444][ T10] ___sys_sendmsg+0xee/0x170 [10234.378444][ T10] __sys_sendmsg+0xcd/0x170 [10234.378444][ T10] do_syscall_64+0xc6/0x1e0 [10234.378444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10234.378444][ T10] [10234.383150][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10234.383150][ T10] netdev_get_by_index+0x5e/0x80 [10234.383150][ T10] fib6_nh_init+0x3d8/0x1580 [10234.383150][ T10] ip6_route_info_create+0xf18/0x17d0 [10234.383150][ T10] ip6_route_add+0x1c/0x140 [10234.383150][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10234.383150][ T10] addrconf_add_dev+0xe2/0x170 [10234.383150][ T10] inet6_addr_add+0x12f/0xa40 [10234.383150][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10234.383150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10234.383150][ T10] netlink_rcv_skb+0x130/0x360 [10234.383150][ T10] netlink_unicast+0x449/0x710 [10234.383150][ T10] netlink_sendmsg+0x723/0xbe0 [10234.383150][ T10] ____sys_sendmsg+0x7b2/0xa10 [10234.383150][ T10] ___sys_sendmsg+0xee/0x170 [10234.383150][ T10] __sys_sendmsg+0xcd/0x170 [10234.383150][ T10] do_syscall_64+0xc6/0x1e0 [10234.383150][ T10] [10234.387619][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10234.387619][ T10] ipv6_add_dev+0x3ba/0x11c0 [10234.387619][ T10] ipv6_find_idev+0x102/0x170 [10234.387619][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10234.387619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10234.387619][ T10] netlink_rcv_skb+0x130/0x360 [10234.387619][ T10] netlink_unicast+0x449/0x710 [10234.387619][ T10] netlink_sendmsg+0x723/0xbe0 [10234.387619][ T10] ____sys_sendmsg+0x7b2/0xa10 [10234.387619][ T10] ___sys_sendmsg+0xee/0x170 [10234.387619][ T10] __sys_sendmsg+0xcd/0x170 [10234.387619][ T10] do_syscall_64+0xc6/0x1e0 [10234.387619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10234.387619][ T10] [10234.391319][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10234.391319][ T10] neigh_parms_alloc+0x1e5/0x510 [10234.391319][ T10] ipv6_add_dev+0x2fe/0x11c0 [10234.391319][ T10] ipv6_find_idev+0x102/0x170 [10234.391319][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10234.391319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10234.391319][ T10] netlink_rcv_skb+0x130/0x360 [10234.391319][ T10] netlink_unicast+0x449/0x710 [10234.391319][ T10] netlink_sendmsg+0x723/0xbe0 [10234.391319][ T10] ____sys_sendmsg+0x7b2/0xa10 [10234.391319][ T10] ___sys_sendmsg+0xee/0x170 [10234.391319][ T10] __sys_sendmsg+0xcd/0x170 [10234.391319][ T10] do_syscall_64+0xc6/0x1e0 [10234.391319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10234.391319][ T10] [10234.395348][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10234.395963][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10234.395963][ T10] netdev_get_by_index+0x5e/0x80 [10234.395963][ T10] fib6_nh_init+0x3d8/0x1580 [10234.395963][ T10] ip6_route_info_create+0xf18/0x17d0 [10234.395963][ T10] addrconf_f6i_alloc+0x265/0x560 [10234.395963][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10234.395963][ T10] addrconf_join_anycast+0x1c0/0x220 [10234.395963][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10234.395963][ T10] addrconf_dad_completed+0x12b/0xe20 [10234.395963][ T10] addrconf_dad_begin+0x310/0x670 [10234.395963][ T10] addrconf_dad_work+0x10b/0xab0 [10234.395963][ T10] process_one_work+0x84d/0x18a0 [10234.395963][ T10] worker_thread+0x587/0xd30 [10234.395963][ T10] kthread+0x28a/0x350 [10234.395963][ T10] ret_from_fork+0x31/0x70 [10234.395963][ T10] ret_from_fork_asm+0x1a/0x30 [10234.395963][ T10] [10234.400323][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10234.400323][ T10] netdev_get_by_index+0x5e/0x80 [10234.400323][ T10] fib6_nh_init+0x3d8/0x1580 [10234.400323][ T10] ip6_route_info_create+0xf18/0x17d0 [10234.400323][ T10] ip6_route_add+0x1c/0x140 [10234.400323][ T10] addrconf_prefix_route+0x2a6/0x430 [10234.400323][ T10] inet6_addr_add+0x4f8/0xa40 [10234.400323][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10234.400323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10234.400323][ T10] netlink_rcv_skb+0x130/0x360 [10234.400323][ T10] netlink_unicast+0x449/0x710 [10234.400323][ T10] netlink_sendmsg+0x723/0xbe0 [10234.400323][ T10] ____sys_sendmsg+0x7b2/0xa10 [10234.400323][ T10] ___sys_sendmsg+0xee/0x170 [10234.400323][ T10] __sys_sendmsg+0xcd/0x170 [10234.400323][ T10] do_syscall_64+0xc6/0x1e0 [10234.400323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10234.400323][ T10] [10234.404997][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10234.404997][ T10] netdev_get_by_index+0x5e/0x80 [10234.404997][ T10] fib6_nh_init+0x3d8/0x1580 [10234.404997][ T10] ip6_route_info_create+0xf18/0x17d0 [10234.404997][ T10] addrconf_f6i_alloc+0x315/0x560 [10234.404997][ T10] ipv6_add_addr+0x411/0x2000 [10234.404997][ T10] inet6_addr_add+0x30e/0xa40 [10234.404997][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10234.404997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10234.404997][ T10] netlink_rcv_skb+0x130/0x360 [10234.404997][ T10] netlink_unicast+0x449/0x710 [10234.404997][ T10] netlink_sendmsg+0x723/0xbe0 [10234.404997][ T10] ____sys_sendmsg+0x7b2/0xa10 [10234.404997][ T10] ___sys_sendmsg+0xee/0x170 [10234.404997][ T10] __sys_sendmsg+0xcd/0x170 [10234.404997][ T10] do_syscall_64+0xc6/0x1e0 [10234.404997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10234.404997][ T10] [10234.409587][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10234.409587][ T10] netdev_get_by_index+0x5e/0x80 [10234.409587][ T10] fib6_nh_init+0x3d8/0x1580 [10234.409587][ T10] ip6_route_info_create+0xf18/0x17d0 [10234.409587][ T10] ip6_route_add+0x1c/0x140 [10234.409587][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10234.409587][ T10] addrconf_add_dev+0xe2/0x170 [10234.409587][ T10] inet6_addr_add+0x12f/0xa40 [10234.409587][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10234.409587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10234.409587][ T10] netlink_rcv_skb+0x130/0x360 [10234.409587][ T10] netlink_unicast+0x449/0x710 [10234.409587][ T10] netlink_sendmsg+0x723/0xbe0 [10234.409587][ T10] ____sys_sendmsg+0x7b2/0xa10 [10234.409587][ T10] ___sys_sendmsg+0xee/0x170 [10234.409587][ T10] __sys_sendmsg+0xcd/0x170 [10234.409587][ T10] do_syscall_64+0xc6/0x1e0 [10234.409587][ T10] [10234.413874][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10234.413874][ T10] ipv6_add_dev+0x3ba/0x11c0 [10234.413874][ T10] ipv6_find_idev+0x102/0x170 [10234.413874][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10234.413874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10234.413874][ T10] netlink_rcv_skb+0x130/0x360 [10234.413874][ T10] netlink_unicast+0x449/0x710 [10234.413874][ T10] netlink_sendmsg+0x723/0xbe0 [10234.413874][ T10] ____sys_sendmsg+0x7b2/0xa10 [10234.413874][ T10] ___sys_sendmsg+0xee/0x170 [10234.413874][ T10] __sys_sendmsg+0xcd/0x170 [10234.413874][ T10] do_syscall_64+0xc6/0x1e0 [10234.413874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10234.413874][ T10] [10234.418231][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10234.418231][ T10] neigh_parms_alloc+0x1e5/0x510 [10234.418231][ T10] ipv6_add_dev+0x2fe/0x11c0 [10234.418231][ T10] ipv6_find_idev+0x102/0x170 [10234.418231][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10234.418231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10234.418231][ T10] netlink_rcv_skb+0x130/0x360 [10234.418231][ T10] netlink_unicast+0x449/0x710 [10234.418231][ T10] netlink_sendmsg+0x723/0xbe0 [10234.418231][ T10] ____sys_sendmsg+0x7b2/0xa10 [10234.418231][ T10] ___sys_sendmsg+0xee/0x170 [10234.418231][ T10] __sys_sendmsg+0xcd/0x170 [10234.418231][ T10] do_syscall_64+0xc6/0x1e0 [10234.418231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10234.418231][ T10] [10234.421975][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10234.422557][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10234.422557][ T10] netdev_get_by_index+0x5e/0x80 [10234.422557][ T10] fib6_nh_init+0x3d8/0x1580 [10234.422557][ T10] ip6_route_info_create+0xf18/0x17d0 [10234.422557][ T10] addrconf_f6i_alloc+0x265/0x560 [10234.422557][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10234.422557][ T10] addrconf_join_anycast+0x1c0/0x220 [10234.422557][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10234.422557][ T10] addrconf_dad_completed+0x12b/0xe20 [10234.422557][ T10] addrconf_dad_begin+0x310/0x670 [10234.422557][ T10] addrconf_dad_work+0x10b/0xab0 [10234.422557][ T10] process_one_work+0x84d/0x18a0 [10234.422557][ T10] worker_thread+0x587/0xd30 [10234.422557][ T10] kthread+0x28a/0x350 [10234.422557][ T10] ret_from_fork+0x31/0x70 [10234.422557][ T10] ret_from_fork_asm+0x1a/0x30 [10234.422557][ T10] [10234.426233][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10234.426233][ T10] netdev_get_by_index+0x5e/0x80 [10234.426233][ T10] fib6_nh_init+0x3d8/0x1580 [10234.426233][ T10] ip6_route_info_create+0xf18/0x17d0 [10234.426233][ T10] ip6_route_add+0x1c/0x140 [10234.426233][ T10] addrconf_prefix_route+0x2a6/0x430 [10234.426233][ T10] inet6_addr_add+0x4f8/0xa40 [10234.426233][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10234.426233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10234.426233][ T10] netlink_rcv_skb+0x130/0x360 [10234.426233][ T10] netlink_unicast+0x449/0x710 [10234.426233][ T10] netlink_sendmsg+0x723/0xbe0 [10234.426233][ T10] ____sys_sendmsg+0x7b2/0xa10 [10234.426233][ T10] ___sys_sendmsg+0xee/0x170 [10234.426233][ T10] __sys_sendmsg+0xcd/0x170 [10234.426233][ T10] do_syscall_64+0xc6/0x1e0 [10234.426233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10234.426233][ T10] [10234.430406][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10234.430406][ T10] netdev_get_by_index+0x5e/0x80 [10234.430406][ T10] fib6_nh_init+0x3d8/0x1580 [10234.430406][ T10] ip6_route_info_create+0xf18/0x17d0 [10234.430406][ T10] addrconf_f6i_alloc+0x315/0x560 [10234.430406][ T10] ipv6_add_addr+0x411/0x2000 [10234.430406][ T10] inet6_addr_add+0x30e/0xa40 [10234.430406][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10234.430406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10234.430406][ T10] netlink_rcv_skb+0x130/0x360 [10234.430406][ T10] netlink_unicast+0x449/0x710 [10234.430406][ T10] netlink_sendmsg+0x723/0xbe0 [10234.430406][ T10] ____sys_sendmsg+0x7b2/0xa10 [10234.430406][ T10] ___sys_sendmsg+0xee/0x170 [10234.430406][ T10] __sys_sendmsg+0xcd/0x170 [10234.430406][ T10] do_syscall_64+0xc6/0x1e0 [10234.430406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10234.430406][ T10] [10234.435494][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10234.435494][ T10] netdev_get_by_index+0x5e/0x80 [10234.435494][ T10] fib6_nh_init+0x3d8/0x1580 [10234.435494][ T10] ip6_route_info_create+0xf18/0x17d0 [10234.435494][ T10] ip6_route_add+0x1c/0x140 [10234.435494][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10234.435494][ T10] addrconf_add_dev+0xe2/0x170 [10234.435494][ T10] inet6_addr_add+0x12f/0xa40 [10234.435494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10234.435494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10234.435494][ T10] netlink_rcv_skb+0x130/0x360 [10234.435494][ T10] netlink_unicast+0x449/0x710 [10234.435494][ T10] netlink_sendmsg+0x723/0xbe0 [10234.435494][ T10] ____sys_sendmsg+0x7b2/0xa10 [10234.435494][ T10] ___sys_sendmsg+0xee/0x170 [10234.435494][ T10] __sys_sendmsg+0xcd/0x170 [10234.435494][ T10] do_syscall_64+0xc6/0x1e0 [10234.435494][ T10] [10234.440511][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10234.440511][ T10] ipv6_add_dev+0x3ba/0x11c0 [10234.440511][ T10] ipv6_find_idev+0x102/0x170 [10234.440511][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10234.440511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10234.440511][ T10] netlink_rcv_skb+0x130/0x360 [10234.440511][ T10] netlink_unicast+0x449/0x710 [10234.440511][ T10] netlink_sendmsg+0x723/0xbe0 [10234.440511][ T10] ____sys_sendmsg+0x7b2/0xa10 [10234.440511][ T10] ___sys_sendmsg+0xee/0x170 [10234.440511][ T10] __sys_sendmsg+0xcd/0x170 [10234.440511][ T10] do_syscall_64+0xc6/0x1e0 [10234.440511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10234.440511][ T10] [10234.444368][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10234.444368][ T10] neigh_parms_alloc+0x1e5/0x510 [10234.444368][ T10] ipv6_add_dev+0x2fe/0x11c0 [10234.444368][ T10] ipv6_find_idev+0x102/0x170 [10234.444368][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10234.444368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10234.444368][ T10] netlink_rcv_skb+0x130/0x360 [10234.444368][ T10] netlink_unicast+0x449/0x710 [10234.444368][ T10] netlink_sendmsg+0x723/0xbe0 [10234.444368][ T10] ____sys_sendmsg+0x7b2/0xa10 [10234.444368][ T10] ___sys_sendmsg+0xee/0x170 [10234.444368][ T10] __sys_sendmsg+0xcd/0x170 [10234.444368][ T10] do_syscall_64+0xc6/0x1e0 [10234.444368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10234.444368][ T10] [10234.448649][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10234.449300][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10234.449300][ T10] netdev_get_by_index+0x5e/0x80 [10234.449300][ T10] fib6_nh_init+0x3d8/0x1580 [10234.449300][ T10] ip6_route_info_create+0xf18/0x17d0 [10234.449300][ T10] addrconf_f6i_alloc+0x265/0x560 [10234.449300][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10234.449300][ T10] addrconf_join_anycast+0x1c0/0x220 [10234.449300][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10234.449300][ T10] addrconf_dad_completed+0x12b/0xe20 [10234.449300][ T10] addrconf_dad_begin+0x310/0x670 [10234.449300][ T10] addrconf_dad_work+0x10b/0xab0 [10234.449300][ T10] process_one_work+0x84d/0x18a0 [10234.449300][ T10] worker_thread+0x587/0xd30 [10234.449300][ T10] kthread+0x28a/0x350 [10234.449300][ T10] ret_from_fork+0x31/0x70 [10234.449300][ T10] ret_from_fork_asm+0x1a/0x30 [10234.449300][ T10] [10234.453879][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10234.453879][ T10] netdev_get_by_index+0x5e/0x80 [10234.453879][ T10] fib6_nh_init+0x3d8/0x1580 [10234.453879][ T10] ip6_route_info_create+0xf18/0x17d0 [10234.453879][ T10] ip6_route_add+0x1c/0x140 [10234.453879][ T10] addrconf_prefix_route+0x2a6/0x430 [10234.453879][ T10] inet6_addr_add+0x4f8/0xa40 [10234.453879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10234.453879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10234.453879][ T10] netlink_rcv_skb+0x130/0x360 [10234.453879][ T10] netlink_unicast+0x449/0x710 [10234.453879][ T10] netlink_sendmsg+0x723/0xbe0 [10234.453879][ T10] ____sys_sendmsg+0x7b2/0xa10 [10234.453879][ T10] ___sys_sendmsg+0xee/0x170 [10234.453879][ T10] __sys_sendmsg+0xcd/0x170 [10234.453879][ T10] do_syscall_64+0xc6/0x1e0 [10234.453879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10234.453879][ T10] [10234.458517][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10234.458517][ T10] netdev_get_by_index+0x5e/0x80 [10234.458517][ T10] fib6_nh_init+0x3d8/0x1580 [10234.458517][ T10] ip6_route_info_create+0xf18/0x17d0 [10234.458517][ T10] addrconf_f6i_alloc+0x315/0x560 [10234.458517][ T10] ipv6_add_addr+0x411/0x2000 [10234.458517][ T10] inet6_addr_add+0x30e/0xa40 [10234.458517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10234.458517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10234.458517][ T10] netlink_rcv_skb+0x130/0x360 [10234.458517][ T10] netlink_unicast+0x449/0x710 [10234.458517][ T10] netlink_sendmsg+0x723/0xbe0 [10234.458517][ T10] ____sys_sendmsg+0x7b2/0xa10 [10234.458517][ T10] ___sys_sendmsg+0xee/0x170 [10234.458517][ T10] __sys_sendmsg+0xcd/0x170 [10234.458517][ T10] do_syscall_64+0xc6/0x1e0 [10234.458517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10234.458517][ T10] [10234.462747][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10234.462747][ T10] netdev_get_by_index+0x5e/0x80 [10234.462747][ T10] fib6_nh_init+0x3d8/0x1580 [10234.462747][ T10] ip6_route_info_create+0xf18/0x17d0 [10234.462747][ T10] ip6_route_add+0x1c/0x140 [10234.462747][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10234.462747][ T10] addrconf_add_dev+0xe2/0x170 [10234.462747][ T10] inet6_addr_add+0x12f/0xa40 [10234.462747][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10234.462747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10234.462747][ T10] netlink_rcv_skb+0x130/0x360 [10234.462747][ T10] netlink_unicast+0x449/0x710 [10234.462747][ T10] netlink_sendmsg+0x723/0xbe0 [10234.462747][ T10] ____sys_sendmsg+0x7b2/0xa10 [10234.462747][ T10] ___sys_sendmsg+0xee/0x170 [10234.462747][ T10] __sys_sendmsg+0xcd/0x170 [10234.462747][ T10] do_syscall_64+0xc6/0x1e0 [10234.462747][ T10] [10234.466930][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10234.466930][ T10] ipv6_add_dev+0x3ba/0x11c0 [10234.466930][ T10] ipv6_find_idev+0x102/0x170 [10234.466930][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10234.466930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10234.466930][ T10] netlink_rcv_skb+0x130/0x360 [10234.466930][ T10] netlink_unicast+0x449/0x710 [10234.466930][ T10] netlink_sendmsg+0x723/0xbe0 [10234.466930][ T10] ____sys_sendmsg+0x7b2/0xa10 [10234.466930][ T10] ___sys_sendmsg+0xee/0x170 [10234.466930][ T10] __sys_sendmsg+0xcd/0x170 [10234.466930][ T10] do_syscall_64+0xc6/0x1e0 [10234.466930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10234.466930][ T10] [10234.470036][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10234.470036][ T10] neigh_parms_alloc+0x1e5/0x510 [10234.470036][ T10] ipv6_add_dev+0x2fe/0x11c0 [10234.470036][ T10] ipv6_find_idev+0x102/0x170 [10234.470036][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10234.470036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10234.470036][ T10] netlink_rcv_skb+0x130/0x360 [10234.470036][ T10] netlink_unicast+0x449/0x710 [10234.470036][ T10] netlink_sendmsg+0x723/0xbe0 [10234.470036][ T10] ____sys_sendmsg+0x7b2/0xa10 [10234.470036][ T10] ___sys_sendmsg+0xee/0x170 [10234.470036][ T10] __sys_sendmsg+0xcd/0x170 [10234.470036][ T10] do_syscall_64+0xc6/0x1e0 [10234.470036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10234.470036][ T10] [10244.385194][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10244.385966][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10244.385966][ T1167] dst_init+0x84/0x4a0 [10244.385966][ T1167] dst_alloc+0x97/0x150 [10244.385966][ T1167] ip6_dst_alloc+0x23/0x90 [10244.385966][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10244.385966][ T1167] ip6_pol_route+0x56f/0x840 [10244.385966][ T1167] fib6_rule_lookup+0x334/0x630 [10244.385966][ T1167] ip6_route_output_flags+0x259/0x480 [10244.385966][ T1167] inet6_rtm_getroute+0x980/0xf70 [10244.385966][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10244.385966][ T1167] netlink_rcv_skb+0x130/0x360 [10244.385966][ T1167] netlink_unicast+0x449/0x710 [10244.385966][ T1167] netlink_sendmsg+0x723/0xbe0 [10244.385966][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10244.385966][ T1167] ___sys_sendmsg+0xee/0x170 [10244.385966][ T1167] __sys_sendmsg+0xcd/0x170 [10244.385966][ T1167] do_syscall_64+0xc6/0x1e0 [10244.385966][ T1167] [10244.389968][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10244.389968][ T1167] netdev_get_by_index+0x5e/0x80 [10244.389968][ T1167] fib6_nh_init+0x3d8/0x1580 [10244.389968][ T1167] ip6_route_info_create+0xf18/0x17d0 [10244.389968][ T1167] addrconf_f6i_alloc+0x265/0x560 [10244.389968][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10244.389968][ T1167] addrconf_join_anycast+0x1c0/0x220 [10244.389968][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10244.389968][ T1167] addrconf_dad_completed+0x12b/0xe20 [10244.389968][ T1167] addrconf_dad_begin+0x310/0x670 [10244.389968][ T1167] addrconf_dad_work+0x10b/0xab0 [10244.389968][ T1167] process_one_work+0x84d/0x18a0 [10244.389968][ T1167] worker_thread+0x587/0xd30 [10244.389968][ T1167] kthread+0x28a/0x350 [10244.389968][ T1167] ret_from_fork+0x31/0x70 [10244.389968][ T1167] ret_from_fork_asm+0x1a/0x30 [10244.389968][ T1167] [10244.415330][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10244.415330][ T1167] netdev_get_by_index+0x5e/0x80 [10244.415330][ T1167] fib6_nh_init+0x3d8/0x1580 [10244.415330][ T1167] ip6_route_info_create+0xf18/0x17d0 [10244.415330][ T1167] ip6_route_add+0x1c/0x140 [10244.415330][ T1167] addrconf_prefix_route+0x2a6/0x430 [10244.415330][ T1167] inet6_addr_add+0x4f8/0xa40 [10244.415330][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10244.415330][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10244.415330][ T1167] netlink_rcv_skb+0x130/0x360 [10244.415330][ T1167] netlink_unicast+0x449/0x710 [10244.415330][ T1167] netlink_sendmsg+0x723/0xbe0 [10244.415330][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10244.415330][ T1167] ___sys_sendmsg+0xee/0x170 [10244.415330][ T1167] __sys_sendmsg+0xcd/0x170 [10244.415330][ T1167] do_syscall_64+0xc6/0x1e0 [10244.415330][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10244.415330][ T1167] [10244.420528][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10244.420528][ T1167] netdev_get_by_index+0x5e/0x80 [10244.420528][ T1167] fib6_nh_init+0x3d8/0x1580 [10244.420528][ T1167] ip6_route_info_create+0xf18/0x17d0 [10244.420528][ T1167] addrconf_f6i_alloc+0x315/0x560 [10244.420528][ T1167] ipv6_add_addr+0x411/0x2000 [10244.420528][ T1167] inet6_addr_add+0x30e/0xa40 [10244.420528][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10244.420528][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10244.420528][ T1167] netlink_rcv_skb+0x130/0x360 [10244.420528][ T1167] netlink_unicast+0x449/0x710 [10244.420528][ T1167] netlink_sendmsg+0x723/0xbe0 [10244.420528][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10244.420528][ T1167] ___sys_sendmsg+0xee/0x170 [10244.420528][ T1167] __sys_sendmsg+0xcd/0x170 [10244.420528][ T1167] do_syscall_64+0xc6/0x1e0 [10244.420528][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10244.420528][ T1167] [10244.431306][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10244.431306][ T1167] netdev_get_by_index+0x5e/0x80 [10244.431306][ T1167] fib6_nh_init+0x3d8/0x1580 [10244.431306][ T1167] ip6_route_info_create+0xf18/0x17d0 [10244.431306][ T1167] ip6_route_add+0x1c/0x140 [10244.431306][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10244.431306][ T1167] addrconf_add_dev+0xe2/0x170 [10244.431306][ T1167] inet6_addr_add+0x12f/0xa40 [10244.431306][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10244.431306][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10244.431306][ T1167] netlink_rcv_skb+0x130/0x360 [10244.431306][ T1167] netlink_unicast+0x449/0x710 [10244.431306][ T1167] netlink_sendmsg+0x723/0xbe0 [10244.431306][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10244.431306][ T1167] ___sys_sendmsg+0xee/0x170 [10244.431306][ T1167] __sys_sendmsg+0xcd/0x170 [10244.431306][ T1167] do_syscall_64+0xc6/0x1e0 [10244.431306][ T1167] [10244.437294][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10244.437294][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10244.437294][ T1167] ipv6_find_idev+0x102/0x170 [10244.437294][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10244.437294][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10244.437294][ T1167] netlink_rcv_skb+0x130/0x360 [10244.437294][ T1167] netlink_unicast+0x449/0x710 [10244.437294][ T1167] netlink_sendmsg+0x723/0xbe0 [10244.437294][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10244.437294][ T1167] ___sys_sendmsg+0xee/0x170 [10244.437294][ T1167] __sys_sendmsg+0xcd/0x170 [10244.437294][ T1167] do_syscall_64+0xc6/0x1e0 [10244.437294][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10244.437294][ T1167] [10244.442468][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10244.442468][ T1167] neigh_parms_alloc+0x1e5/0x510 [10244.442468][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10244.442468][ T1167] ipv6_find_idev+0x102/0x170 [10244.442468][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10244.442468][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10244.442468][ T1167] netlink_rcv_skb+0x130/0x360 [10244.442468][ T1167] netlink_unicast+0x449/0x710 [10244.442468][ T1167] netlink_sendmsg+0x723/0xbe0 [10244.442468][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10244.442468][ T1167] ___sys_sendmsg+0xee/0x170 [10244.442468][ T1167] __sys_sendmsg+0xcd/0x170 [10244.442468][ T1167] do_syscall_64+0xc6/0x1e0 [10244.442468][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10244.442468][ T1167] [10244.713313][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10244.728225][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10244.728225][ T10] netdev_get_by_index+0x5e/0x80 [10244.728225][ T10] fib6_nh_init+0x3d8/0x1580 [10244.728225][ T10] ip6_route_info_create+0xf18/0x17d0 [10244.728225][ T10] addrconf_f6i_alloc+0x265/0x560 [10244.728225][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10244.728225][ T10] addrconf_join_anycast+0x1c0/0x220 [10244.728225][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10244.728225][ T10] addrconf_dad_completed+0x12b/0xe20 [10244.728225][ T10] addrconf_dad_begin+0x310/0x670 [10244.728225][ T10] addrconf_dad_work+0x10b/0xab0 [10244.728225][ T10] process_one_work+0x84d/0x18a0 [10244.728225][ T10] worker_thread+0x587/0xd30 [10244.728225][ T10] kthread+0x28a/0x350 [10244.728225][ T10] ret_from_fork+0x31/0x70 [10244.728225][ T10] ret_from_fork_asm+0x1a/0x30 [10244.728225][ T10] [10244.732572][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10244.732572][ T10] netdev_get_by_index+0x5e/0x80 [10244.732572][ T10] fib6_nh_init+0x3d8/0x1580 [10244.732572][ T10] ip6_route_info_create+0xf18/0x17d0 [10244.732572][ T10] ip6_route_add+0x1c/0x140 [10244.732572][ T10] addrconf_prefix_route+0x2a6/0x430 [10244.732572][ T10] inet6_addr_add+0x4f8/0xa40 [10244.732572][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10244.732572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10244.732572][ T10] netlink_rcv_skb+0x130/0x360 [10244.732572][ T10] netlink_unicast+0x449/0x710 [10244.732572][ T10] netlink_sendmsg+0x723/0xbe0 [10244.732572][ T10] ____sys_sendmsg+0x7b2/0xa10 [10244.732572][ T10] ___sys_sendmsg+0xee/0x170 [10244.732572][ T10] __sys_sendmsg+0xcd/0x170 [10244.732572][ T10] do_syscall_64+0xc6/0x1e0 [10244.732572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10244.732572][ T10] [10244.753086][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10244.753086][ T10] netdev_get_by_index+0x5e/0x80 [10244.753086][ T10] fib6_nh_init+0x3d8/0x1580 [10244.753086][ T10] ip6_route_info_create+0xf18/0x17d0 [10244.753086][ T10] addrconf_f6i_alloc+0x315/0x560 [10244.753086][ T10] ipv6_add_addr+0x411/0x2000 [10244.753086][ T10] inet6_addr_add+0x30e/0xa40 [10244.753086][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10244.753086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10244.753086][ T10] netlink_rcv_skb+0x130/0x360 [10244.753086][ T10] netlink_unicast+0x449/0x710 [10244.753086][ T10] netlink_sendmsg+0x723/0xbe0 [10244.753086][ T10] ____sys_sendmsg+0x7b2/0xa10 [10244.753086][ T10] ___sys_sendmsg+0xee/0x170 [10244.753086][ T10] __sys_sendmsg+0xcd/0x170 [10244.753086][ T10] do_syscall_64+0xc6/0x1e0 [10244.753086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10244.753086][ T10] [10244.757542][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10244.757542][ T10] netdev_get_by_index+0x5e/0x80 [10244.757542][ T10] fib6_nh_init+0x3d8/0x1580 [10244.757542][ T10] ip6_route_info_create+0xf18/0x17d0 [10244.757542][ T10] ip6_route_add+0x1c/0x140 [10244.757542][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10244.757542][ T10] addrconf_add_dev+0xe2/0x170 [10244.757542][ T10] inet6_addr_add+0x12f/0xa40 [10244.757542][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10244.757542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10244.757542][ T10] netlink_rcv_skb+0x130/0x360 [10244.757542][ T10] netlink_unicast+0x449/0x710 [10244.757542][ T10] netlink_sendmsg+0x723/0xbe0 [10244.757542][ T10] ____sys_sendmsg+0x7b2/0xa10 [10244.757542][ T10] ___sys_sendmsg+0xee/0x170 [10244.757542][ T10] __sys_sendmsg+0xcd/0x170 [10244.757542][ T10] do_syscall_64+0xc6/0x1e0 [10244.757542][ T10] [10244.761885][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10244.761885][ T10] ipv6_add_dev+0x3ba/0x11c0 [10244.761885][ T10] ipv6_find_idev+0x102/0x170 [10244.761885][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10244.761885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10244.761885][ T10] netlink_rcv_skb+0x130/0x360 [10244.761885][ T10] netlink_unicast+0x449/0x710 [10244.761885][ T10] netlink_sendmsg+0x723/0xbe0 [10244.761885][ T10] ____sys_sendmsg+0x7b2/0xa10 [10244.761885][ T10] ___sys_sendmsg+0xee/0x170 [10244.761885][ T10] __sys_sendmsg+0xcd/0x170 [10244.761885][ T10] do_syscall_64+0xc6/0x1e0 [10244.761885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10244.761885][ T10] [10244.765120][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10244.765120][ T10] neigh_parms_alloc+0x1e5/0x510 [10244.765120][ T10] ipv6_add_dev+0x2fe/0x11c0 [10244.765120][ T10] ipv6_find_idev+0x102/0x170 [10244.765120][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10244.765120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10244.765120][ T10] netlink_rcv_skb+0x130/0x360 [10244.765120][ T10] netlink_unicast+0x449/0x710 [10244.765120][ T10] netlink_sendmsg+0x723/0xbe0 [10244.765120][ T10] ____sys_sendmsg+0x7b2/0xa10 [10244.765120][ T10] ___sys_sendmsg+0xee/0x170 [10244.765120][ T10] __sys_sendmsg+0xcd/0x170 [10244.765120][ T10] do_syscall_64+0xc6/0x1e0 [10244.765120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10244.765120][ T10] [10244.790274][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10244.791060][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10244.791060][ T10] netdev_get_by_index+0x5e/0x80 [10244.791060][ T10] fib6_nh_init+0x3d8/0x1580 [10244.791060][ T10] ip6_route_info_create+0xf18/0x17d0 [10244.791060][ T10] addrconf_f6i_alloc+0x265/0x560 [10244.791060][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10244.791060][ T10] addrconf_join_anycast+0x1c0/0x220 [10244.791060][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10244.791060][ T10] addrconf_dad_completed+0x12b/0xe20 [10244.791060][ T10] addrconf_dad_begin+0x310/0x670 [10244.791060][ T10] addrconf_dad_work+0x10b/0xab0 [10244.791060][ T10] process_one_work+0x84d/0x18a0 [10244.791060][ T10] worker_thread+0x587/0xd30 [10244.791060][ T10] kthread+0x28a/0x350 [10244.791060][ T10] ret_from_fork+0x31/0x70 [10244.791060][ T10] ret_from_fork_asm+0x1a/0x30 [10244.791060][ T10] [10244.810801][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10244.810801][ T10] netdev_get_by_index+0x5e/0x80 [10244.810801][ T10] fib6_nh_init+0x3d8/0x1580 [10244.810801][ T10] ip6_route_info_create+0xf18/0x17d0 [10244.810801][ T10] ip6_route_add+0x1c/0x140 [10244.810801][ T10] addrconf_prefix_route+0x2a6/0x430 [10244.810801][ T10] inet6_addr_add+0x4f8/0xa40 [10244.810801][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10244.810801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10244.810801][ T10] netlink_rcv_skb+0x130/0x360 [10244.810801][ T10] netlink_unicast+0x449/0x710 [10244.810801][ T10] netlink_sendmsg+0x723/0xbe0 [10244.810801][ T10] ____sys_sendmsg+0x7b2/0xa10 [10244.810801][ T10] ___sys_sendmsg+0xee/0x170 [10244.810801][ T10] __sys_sendmsg+0xcd/0x170 [10244.810801][ T10] do_syscall_64+0xc6/0x1e0 [10244.810801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10244.810801][ T10] [10244.815366][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10244.815366][ T10] netdev_get_by_index+0x5e/0x80 [10244.815366][ T10] fib6_nh_init+0x3d8/0x1580 [10244.815366][ T10] ip6_route_info_create+0xf18/0x17d0 [10244.815366][ T10] addrconf_f6i_alloc+0x315/0x560 [10244.815366][ T10] ipv6_add_addr+0x411/0x2000 [10244.815366][ T10] inet6_addr_add+0x30e/0xa40 [10244.815366][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10244.815366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10244.815366][ T10] netlink_rcv_skb+0x130/0x360 [10244.815366][ T10] netlink_unicast+0x449/0x710 [10244.815366][ T10] netlink_sendmsg+0x723/0xbe0 [10244.815366][ T10] ____sys_sendmsg+0x7b2/0xa10 [10244.815366][ T10] ___sys_sendmsg+0xee/0x170 [10244.815366][ T10] __sys_sendmsg+0xcd/0x170 [10244.815366][ T10] do_syscall_64+0xc6/0x1e0 [10244.815366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10244.815366][ T10] [10244.819844][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10244.819844][ T10] netdev_get_by_index+0x5e/0x80 [10244.819844][ T10] fib6_nh_init+0x3d8/0x1580 [10244.819844][ T10] ip6_route_info_create+0xf18/0x17d0 [10244.819844][ T10] ip6_route_add+0x1c/0x140 [10244.819844][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10244.819844][ T10] addrconf_add_dev+0xe2/0x170 [10244.819844][ T10] inet6_addr_add+0x12f/0xa40 [10244.819844][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10244.819844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10244.819844][ T10] netlink_rcv_skb+0x130/0x360 [10244.819844][ T10] netlink_unicast+0x449/0x710 [10244.819844][ T10] netlink_sendmsg+0x723/0xbe0 [10244.819844][ T10] ____sys_sendmsg+0x7b2/0xa10 [10244.819844][ T10] ___sys_sendmsg+0xee/0x170 [10244.819844][ T10] __sys_sendmsg+0xcd/0x170 [10244.819844][ T10] do_syscall_64+0xc6/0x1e0 [10244.819844][ T10] [10244.824153][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10244.824153][ T10] ipv6_add_dev+0x3ba/0x11c0 [10244.824153][ T10] ipv6_find_idev+0x102/0x170 [10244.824153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10244.824153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10244.824153][ T10] netlink_rcv_skb+0x130/0x360 [10244.824153][ T10] netlink_unicast+0x449/0x710 [10244.824153][ T10] netlink_sendmsg+0x723/0xbe0 [10244.824153][ T10] ____sys_sendmsg+0x7b2/0xa10 [10244.824153][ T10] ___sys_sendmsg+0xee/0x170 [10244.824153][ T10] __sys_sendmsg+0xcd/0x170 [10244.824153][ T10] do_syscall_64+0xc6/0x1e0 [10244.824153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10244.824153][ T10] [10244.827676][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10244.827676][ T10] neigh_parms_alloc+0x1e5/0x510 [10244.827676][ T10] ipv6_add_dev+0x2fe/0x11c0 [10244.827676][ T10] ipv6_find_idev+0x102/0x170 [10244.827676][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10244.827676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10244.827676][ T10] netlink_rcv_skb+0x130/0x360 [10244.827676][ T10] netlink_unicast+0x449/0x710 [10244.827676][ T10] netlink_sendmsg+0x723/0xbe0 [10244.827676][ T10] ____sys_sendmsg+0x7b2/0xa10 [10244.827676][ T10] ___sys_sendmsg+0xee/0x170 [10244.827676][ T10] __sys_sendmsg+0xcd/0x170 [10244.827676][ T10] do_syscall_64+0xc6/0x1e0 [10244.827676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10244.827676][ T10] [10244.849231][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10244.850006][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10244.850006][ T10] netdev_get_by_index+0x5e/0x80 [10244.850006][ T10] fib6_nh_init+0x3d8/0x1580 [10244.850006][ T10] ip6_route_info_create+0xf18/0x17d0 [10244.850006][ T10] addrconf_f6i_alloc+0x265/0x560 [10244.850006][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10244.850006][ T10] addrconf_join_anycast+0x1c0/0x220 [10244.850006][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10244.850006][ T10] addrconf_dad_completed+0x12b/0xe20 [10244.850006][ T10] addrconf_dad_begin+0x310/0x670 [10244.850006][ T10] addrconf_dad_work+0x10b/0xab0 [10244.850006][ T10] process_one_work+0x84d/0x18a0 [10244.850006][ T10] worker_thread+0x587/0xd30 [10244.850006][ T10] kthread+0x28a/0x350 [10244.850006][ T10] ret_from_fork+0x31/0x70 [10244.850006][ T10] ret_from_fork_asm+0x1a/0x30 [10244.850006][ T10] [10244.864373][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10244.864373][ T10] netdev_get_by_index+0x5e/0x80 [10244.864373][ T10] fib6_nh_init+0x3d8/0x1580 [10244.864373][ T10] ip6_route_info_create+0xf18/0x17d0 [10244.864373][ T10] ip6_route_add+0x1c/0x140 [10244.864373][ T10] addrconf_prefix_route+0x2a6/0x430 [10244.864373][ T10] inet6_addr_add+0x4f8/0xa40 [10244.864373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10244.864373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10244.864373][ T10] netlink_rcv_skb+0x130/0x360 [10244.864373][ T10] netlink_unicast+0x449/0x710 [10244.864373][ T10] netlink_sendmsg+0x723/0xbe0 [10244.864373][ T10] ____sys_sendmsg+0x7b2/0xa10 [10244.864373][ T10] ___sys_sendmsg+0xee/0x170 [10244.864373][ T10] __sys_sendmsg+0xcd/0x170 [10244.864373][ T10] do_syscall_64+0xc6/0x1e0 [10244.864373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10244.864373][ T10] [10244.869458][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10244.869458][ T10] netdev_get_by_index+0x5e/0x80 [10244.869458][ T10] fib6_nh_init+0x3d8/0x1580 [10244.869458][ T10] ip6_route_info_create+0xf18/0x17d0 [10244.869458][ T10] addrconf_f6i_alloc+0x315/0x560 [10244.869458][ T10] ipv6_add_addr+0x411/0x2000 [10244.869458][ T10] inet6_addr_add+0x30e/0xa40 [10244.869458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10244.869458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10244.869458][ T10] netlink_rcv_skb+0x130/0x360 [10244.869458][ T10] netlink_unicast+0x449/0x710 [10244.869458][ T10] netlink_sendmsg+0x723/0xbe0 [10244.869458][ T10] ____sys_sendmsg+0x7b2/0xa10 [10244.869458][ T10] ___sys_sendmsg+0xee/0x170 [10244.869458][ T10] __sys_sendmsg+0xcd/0x170 [10244.869458][ T10] do_syscall_64+0xc6/0x1e0 [10244.869458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10244.869458][ T10] [10244.874563][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10244.874563][ T10] netdev_get_by_index+0x5e/0x80 [10244.874563][ T10] fib6_nh_init+0x3d8/0x1580 [10244.874563][ T10] ip6_route_info_create+0xf18/0x17d0 [10244.874563][ T10] ip6_route_add+0x1c/0x140 [10244.874563][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10244.874563][ T10] addrconf_add_dev+0xe2/0x170 [10244.874563][ T10] inet6_addr_add+0x12f/0xa40 [10244.874563][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10244.874563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10244.874563][ T10] netlink_rcv_skb+0x130/0x360 [10244.874563][ T10] netlink_unicast+0x449/0x710 [10244.874563][ T10] netlink_sendmsg+0x723/0xbe0 [10244.874563][ T10] ____sys_sendmsg+0x7b2/0xa10 [10244.874563][ T10] ___sys_sendmsg+0xee/0x170 [10244.874563][ T10] __sys_sendmsg+0xcd/0x170 [10244.874563][ T10] do_syscall_64+0xc6/0x1e0 [10244.874563][ T10] [10244.885202][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10244.885202][ T10] ipv6_add_dev+0x3ba/0x11c0 [10244.885202][ T10] ipv6_find_idev+0x102/0x170 [10244.885202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10244.885202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10244.885202][ T10] netlink_rcv_skb+0x130/0x360 [10244.885202][ T10] netlink_unicast+0x449/0x710 [10244.885202][ T10] netlink_sendmsg+0x723/0xbe0 [10244.885202][ T10] ____sys_sendmsg+0x7b2/0xa10 [10244.885202][ T10] ___sys_sendmsg+0xee/0x170 [10244.885202][ T10] __sys_sendmsg+0xcd/0x170 [10244.885202][ T10] do_syscall_64+0xc6/0x1e0 [10244.885202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10244.885202][ T10] [10244.901344][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10244.901344][ T10] neigh_parms_alloc+0x1e5/0x510 [10244.901344][ T10] ipv6_add_dev+0x2fe/0x11c0 [10244.901344][ T10] ipv6_find_idev+0x102/0x170 [10244.901344][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10244.901344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10244.901344][ T10] netlink_rcv_skb+0x130/0x360 [10244.901344][ T10] netlink_unicast+0x449/0x710 [10244.901344][ T10] netlink_sendmsg+0x723/0xbe0 [10244.901344][ T10] ____sys_sendmsg+0x7b2/0xa10 [10244.901344][ T10] ___sys_sendmsg+0xee/0x170 [10244.901344][ T10] __sys_sendmsg+0xcd/0x170 [10244.901344][ T10] do_syscall_64+0xc6/0x1e0 [10244.901344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10244.901344][ T10] [10244.940312][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10244.941018][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10244.941018][ T10] netdev_get_by_index+0x5e/0x80 [10244.941018][ T10] fib6_nh_init+0x3d8/0x1580 [10244.941018][ T10] ip6_route_info_create+0xf18/0x17d0 [10244.941018][ T10] addrconf_f6i_alloc+0x265/0x560 [10244.941018][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10244.941018][ T10] addrconf_join_anycast+0x1c0/0x220 [10244.941018][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10244.941018][ T10] addrconf_dad_completed+0x12b/0xe20 [10244.941018][ T10] addrconf_dad_begin+0x310/0x670 [10244.941018][ T10] addrconf_dad_work+0x10b/0xab0 [10244.941018][ T10] process_one_work+0x84d/0x18a0 [10244.941018][ T10] worker_thread+0x587/0xd30 [10244.941018][ T10] kthread+0x28a/0x350 [10244.941018][ T10] ret_from_fork+0x31/0x70 [10244.941018][ T10] ret_from_fork_asm+0x1a/0x30 [10244.941018][ T10] [10244.945329][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10244.945329][ T10] netdev_get_by_index+0x5e/0x80 [10244.945329][ T10] fib6_nh_init+0x3d8/0x1580 [10244.945329][ T10] ip6_route_info_create+0xf18/0x17d0 [10244.945329][ T10] ip6_route_add+0x1c/0x140 [10244.945329][ T10] addrconf_prefix_route+0x2a6/0x430 [10244.945329][ T10] inet6_addr_add+0x4f8/0xa40 [10244.945329][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10244.945329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10244.945329][ T10] netlink_rcv_skb+0x130/0x360 [10244.945329][ T10] netlink_unicast+0x449/0x710 [10244.945329][ T10] netlink_sendmsg+0x723/0xbe0 [10244.945329][ T10] ____sys_sendmsg+0x7b2/0xa10 [10244.945329][ T10] ___sys_sendmsg+0xee/0x170 [10244.945329][ T10] __sys_sendmsg+0xcd/0x170 [10244.945329][ T10] do_syscall_64+0xc6/0x1e0 [10244.945329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10244.945329][ T10] [10244.957581][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10244.957581][ T10] netdev_get_by_index+0x5e/0x80 [10244.957581][ T10] fib6_nh_init+0x3d8/0x1580 [10244.957581][ T10] ip6_route_info_create+0xf18/0x17d0 [10244.957581][ T10] addrconf_f6i_alloc+0x315/0x560 [10244.957581][ T10] ipv6_add_addr+0x411/0x2000 [10244.957581][ T10] inet6_addr_add+0x30e/0xa40 [10244.957581][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10244.957581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10244.957581][ T10] netlink_rcv_skb+0x130/0x360 [10244.957581][ T10] netlink_unicast+0x449/0x710 [10244.957581][ T10] netlink_sendmsg+0x723/0xbe0 [10244.957581][ T10] ____sys_sendmsg+0x7b2/0xa10 [10244.957581][ T10] ___sys_sendmsg+0xee/0x170 [10244.957581][ T10] __sys_sendmsg+0xcd/0x170 [10244.957581][ T10] do_syscall_64+0xc6/0x1e0 [10244.957581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10244.957581][ T10] [10244.961907][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10244.961907][ T10] netdev_get_by_index+0x5e/0x80 [10244.961907][ T10] fib6_nh_init+0x3d8/0x1580 [10244.961907][ T10] ip6_route_info_create+0xf18/0x17d0 [10244.961907][ T10] ip6_route_add+0x1c/0x140 [10244.961907][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10244.961907][ T10] addrconf_add_dev+0xe2/0x170 [10244.961907][ T10] inet6_addr_add+0x12f/0xa40 [10244.961907][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10244.961907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10244.961907][ T10] netlink_rcv_skb+0x130/0x360 [10244.961907][ T10] netlink_unicast+0x449/0x710 [10244.961907][ T10] netlink_sendmsg+0x723/0xbe0 [10244.961907][ T10] ____sys_sendmsg+0x7b2/0xa10 [10244.961907][ T10] ___sys_sendmsg+0xee/0x170 [10244.961907][ T10] __sys_sendmsg+0xcd/0x170 [10244.961907][ T10] do_syscall_64+0xc6/0x1e0 [10244.961907][ T10] [10244.966002][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10244.966002][ T10] ipv6_add_dev+0x3ba/0x11c0 [10244.966002][ T10] ipv6_find_idev+0x102/0x170 [10244.966002][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10244.966002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10244.966002][ T10] netlink_rcv_skb+0x130/0x360 [10244.966002][ T10] netlink_unicast+0x449/0x710 [10244.966002][ T10] netlink_sendmsg+0x723/0xbe0 [10244.966002][ T10] ____sys_sendmsg+0x7b2/0xa10 [10244.966002][ T10] ___sys_sendmsg+0xee/0x170 [10244.966002][ T10] __sys_sendmsg+0xcd/0x170 [10244.966002][ T10] do_syscall_64+0xc6/0x1e0 [10244.966002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10244.966002][ T10] [10244.969333][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10244.969333][ T10] neigh_parms_alloc+0x1e5/0x510 [10244.969333][ T10] ipv6_add_dev+0x2fe/0x11c0 [10244.969333][ T10] ipv6_find_idev+0x102/0x170 [10244.969333][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10244.969333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10244.969333][ T10] netlink_rcv_skb+0x130/0x360 [10244.969333][ T10] netlink_unicast+0x449/0x710 [10244.969333][ T10] netlink_sendmsg+0x723/0xbe0 [10244.969333][ T10] ____sys_sendmsg+0x7b2/0xa10 [10244.969333][ T10] ___sys_sendmsg+0xee/0x170 [10244.969333][ T10] __sys_sendmsg+0xcd/0x170 [10244.969333][ T10] do_syscall_64+0xc6/0x1e0 [10244.969333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10244.969333][ T10] [10254.465335][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10254.466258][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10254.466258][ T1167] dst_init+0x84/0x4a0 [10254.466258][ T1167] dst_alloc+0x97/0x150 [10254.466258][ T1167] ip6_dst_alloc+0x23/0x90 [10254.466258][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10254.466258][ T1167] ip6_pol_route+0x56f/0x840 [10254.466258][ T1167] fib6_rule_lookup+0x334/0x630 [10254.466258][ T1167] ip6_route_output_flags+0x259/0x480 [10254.466258][ T1167] inet6_rtm_getroute+0x980/0xf70 [10254.466258][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10254.466258][ T1167] netlink_rcv_skb+0x130/0x360 [10254.466258][ T1167] netlink_unicast+0x449/0x710 [10254.466258][ T1167] netlink_sendmsg+0x723/0xbe0 [10254.466258][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10254.466258][ T1167] ___sys_sendmsg+0xee/0x170 [10254.466258][ T1167] __sys_sendmsg+0xcd/0x170 [10254.466258][ T1167] do_syscall_64+0xc6/0x1e0 [10254.466258][ T1167] [10254.470649][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10254.470649][ T1167] netdev_get_by_index+0x5e/0x80 [10254.470649][ T1167] fib6_nh_init+0x3d8/0x1580 [10254.470649][ T1167] ip6_route_info_create+0xf18/0x17d0 [10254.470649][ T1167] addrconf_f6i_alloc+0x265/0x560 [10254.470649][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10254.470649][ T1167] addrconf_join_anycast+0x1c0/0x220 [10254.470649][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10254.470649][ T1167] addrconf_dad_completed+0x12b/0xe20 [10254.470649][ T1167] addrconf_dad_begin+0x310/0x670 [10254.470649][ T1167] addrconf_dad_work+0x10b/0xab0 [10254.470649][ T1167] process_one_work+0x84d/0x18a0 [10254.470649][ T1167] worker_thread+0x587/0xd30 [10254.470649][ T1167] kthread+0x28a/0x350 [10254.470649][ T1167] ret_from_fork+0x31/0x70 [10254.470649][ T1167] ret_from_fork_asm+0x1a/0x30 [10254.470649][ T1167] [10254.474643][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10254.474643][ T1167] netdev_get_by_index+0x5e/0x80 [10254.474643][ T1167] fib6_nh_init+0x3d8/0x1580 [10254.474643][ T1167] ip6_route_info_create+0xf18/0x17d0 [10254.474643][ T1167] ip6_route_add+0x1c/0x140 [10254.474643][ T1167] addrconf_prefix_route+0x2a6/0x430 [10254.474643][ T1167] inet6_addr_add+0x4f8/0xa40 [10254.474643][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10254.474643][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10254.474643][ T1167] netlink_rcv_skb+0x130/0x360 [10254.474643][ T1167] netlink_unicast+0x449/0x710 [10254.474643][ T1167] netlink_sendmsg+0x723/0xbe0 [10254.474643][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10254.474643][ T1167] ___sys_sendmsg+0xee/0x170 [10254.474643][ T1167] __sys_sendmsg+0xcd/0x170 [10254.474643][ T1167] do_syscall_64+0xc6/0x1e0 [10254.474643][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10254.474643][ T1167] [10254.478724][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10254.478724][ T1167] netdev_get_by_index+0x5e/0x80 [10254.478724][ T1167] fib6_nh_init+0x3d8/0x1580 [10254.478724][ T1167] ip6_route_info_create+0xf18/0x17d0 [10254.478724][ T1167] addrconf_f6i_alloc+0x315/0x560 [10254.478724][ T1167] ipv6_add_addr+0x411/0x2000 [10254.478724][ T1167] inet6_addr_add+0x30e/0xa40 [10254.478724][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10254.478724][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10254.478724][ T1167] netlink_rcv_skb+0x130/0x360 [10254.478724][ T1167] netlink_unicast+0x449/0x710 [10254.478724][ T1167] netlink_sendmsg+0x723/0xbe0 [10254.478724][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10254.478724][ T1167] ___sys_sendmsg+0xee/0x170 [10254.478724][ T1167] __sys_sendmsg+0xcd/0x170 [10254.478724][ T1167] do_syscall_64+0xc6/0x1e0 [10254.478724][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10254.478724][ T1167] [10254.503008][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10254.503008][ T1167] netdev_get_by_index+0x5e/0x80 [10254.503008][ T1167] fib6_nh_init+0x3d8/0x1580 [10254.503008][ T1167] ip6_route_info_create+0xf18/0x17d0 [10254.503008][ T1167] ip6_route_add+0x1c/0x140 [10254.503008][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10254.503008][ T1167] addrconf_add_dev+0xe2/0x170 [10254.503008][ T1167] inet6_addr_add+0x12f/0xa40 [10254.503008][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10254.503008][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10254.503008][ T1167] netlink_rcv_skb+0x130/0x360 [10254.503008][ T1167] netlink_unicast+0x449/0x710 [10254.503008][ T1167] netlink_sendmsg+0x723/0xbe0 [10254.503008][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10254.503008][ T1167] ___sys_sendmsg+0xee/0x170 [10254.503008][ T1167] __sys_sendmsg+0xcd/0x170 [10254.503008][ T1167] do_syscall_64+0xc6/0x1e0 [10254.503008][ T1167] [10254.507000][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10254.507000][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10254.507000][ T1167] ipv6_find_idev+0x102/0x170 [10254.507000][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10254.507000][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10254.507000][ T1167] netlink_rcv_skb+0x130/0x360 [10254.507000][ T1167] netlink_unicast+0x449/0x710 [10254.507000][ T1167] netlink_sendmsg+0x723/0xbe0 [10254.507000][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10254.507000][ T1167] ___sys_sendmsg+0xee/0x170 [10254.507000][ T1167] __sys_sendmsg+0xcd/0x170 [10254.507000][ T1167] do_syscall_64+0xc6/0x1e0 [10254.507000][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10254.507000][ T1167] [10254.520444][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10254.520444][ T1167] neigh_parms_alloc+0x1e5/0x510 [10254.520444][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10254.520444][ T1167] ipv6_find_idev+0x102/0x170 [10254.520444][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10254.520444][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10254.520444][ T1167] netlink_rcv_skb+0x130/0x360 [10254.520444][ T1167] netlink_unicast+0x449/0x710 [10254.520444][ T1167] netlink_sendmsg+0x723/0xbe0 [10254.520444][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10254.520444][ T1167] ___sys_sendmsg+0xee/0x170 [10254.520444][ T1167] __sys_sendmsg+0xcd/0x170 [10254.520444][ T1167] do_syscall_64+0xc6/0x1e0 [10254.520444][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10254.520444][ T1167] [10254.977178][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10255.000391][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10255.000391][ T10] netdev_get_by_index+0x5e/0x80 [10255.000391][ T10] fib6_nh_init+0x3d8/0x1580 [10255.000391][ T10] ip6_route_info_create+0xf18/0x17d0 [10255.000391][ T10] addrconf_f6i_alloc+0x265/0x560 [10255.000391][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10255.000391][ T10] addrconf_join_anycast+0x1c0/0x220 [10255.000391][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10255.000391][ T10] addrconf_dad_completed+0x12b/0xe20 [10255.000391][ T10] addrconf_dad_begin+0x310/0x670 [10255.000391][ T10] addrconf_dad_work+0x10b/0xab0 [10255.000391][ T10] process_one_work+0x84d/0x18a0 [10255.000391][ T10] worker_thread+0x587/0xd30 [10255.000391][ T10] kthread+0x28a/0x350 [10255.000391][ T10] ret_from_fork+0x31/0x70 [10255.000391][ T10] ret_from_fork_asm+0x1a/0x30 [10255.000391][ T10] [10255.005080][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10255.005080][ T10] netdev_get_by_index+0x5e/0x80 [10255.005080][ T10] fib6_nh_init+0x3d8/0x1580 [10255.005080][ T10] ip6_route_info_create+0xf18/0x17d0 [10255.005080][ T10] ip6_route_add+0x1c/0x140 [10255.005080][ T10] addrconf_prefix_route+0x2a6/0x430 [10255.005080][ T10] inet6_addr_add+0x4f8/0xa40 [10255.005080][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10255.005080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10255.005080][ T10] netlink_rcv_skb+0x130/0x360 [10255.005080][ T10] netlink_unicast+0x449/0x710 [10255.005080][ T10] netlink_sendmsg+0x723/0xbe0 [10255.005080][ T10] ____sys_sendmsg+0x7b2/0xa10 [10255.005080][ T10] ___sys_sendmsg+0xee/0x170 [10255.005080][ T10] __sys_sendmsg+0xcd/0x170 [10255.005080][ T10] do_syscall_64+0xc6/0x1e0 [10255.005080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10255.005080][ T10] [10255.011492][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10255.011492][ T10] netdev_get_by_index+0x5e/0x80 [10255.011492][ T10] fib6_nh_init+0x3d8/0x1580 [10255.011492][ T10] ip6_route_info_create+0xf18/0x17d0 [10255.011492][ T10] addrconf_f6i_alloc+0x315/0x560 [10255.011492][ T10] ipv6_add_addr+0x411/0x2000 [10255.011492][ T10] inet6_addr_add+0x30e/0xa40 [10255.011492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10255.011492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10255.011492][ T10] netlink_rcv_skb+0x130/0x360 [10255.011492][ T10] netlink_unicast+0x449/0x710 [10255.011492][ T10] netlink_sendmsg+0x723/0xbe0 [10255.011492][ T10] ____sys_sendmsg+0x7b2/0xa10 [10255.011492][ T10] ___sys_sendmsg+0xee/0x170 [10255.011492][ T10] __sys_sendmsg+0xcd/0x170 [10255.011492][ T10] do_syscall_64+0xc6/0x1e0 [10255.011492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10255.011492][ T10] [10255.030620][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10255.030620][ T10] netdev_get_by_index+0x5e/0x80 [10255.030620][ T10] fib6_nh_init+0x3d8/0x1580 [10255.030620][ T10] ip6_route_info_create+0xf18/0x17d0 [10255.030620][ T10] ip6_route_add+0x1c/0x140 [10255.030620][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10255.030620][ T10] addrconf_add_dev+0xe2/0x170 [10255.030620][ T10] inet6_addr_add+0x12f/0xa40 [10255.030620][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10255.030620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10255.030620][ T10] netlink_rcv_skb+0x130/0x360 [10255.030620][ T10] netlink_unicast+0x449/0x710 [10255.030620][ T10] netlink_sendmsg+0x723/0xbe0 [10255.030620][ T10] ____sys_sendmsg+0x7b2/0xa10 [10255.030620][ T10] ___sys_sendmsg+0xee/0x170 [10255.030620][ T10] __sys_sendmsg+0xcd/0x170 [10255.030620][ T10] do_syscall_64+0xc6/0x1e0 [10255.030620][ T10] [10255.035086][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10255.035086][ T10] ipv6_add_dev+0x3ba/0x11c0 [10255.035086][ T10] ipv6_find_idev+0x102/0x170 [10255.035086][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10255.035086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10255.035086][ T10] netlink_rcv_skb+0x130/0x360 [10255.035086][ T10] netlink_unicast+0x449/0x710 [10255.035086][ T10] netlink_sendmsg+0x723/0xbe0 [10255.035086][ T10] ____sys_sendmsg+0x7b2/0xa10 [10255.035086][ T10] ___sys_sendmsg+0xee/0x170 [10255.035086][ T10] __sys_sendmsg+0xcd/0x170 [10255.035086][ T10] do_syscall_64+0xc6/0x1e0 [10255.035086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10255.035086][ T10] [10255.038578][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10255.038578][ T10] neigh_parms_alloc+0x1e5/0x510 [10255.038578][ T10] ipv6_add_dev+0x2fe/0x11c0 [10255.038578][ T10] ipv6_find_idev+0x102/0x170 [10255.038578][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10255.038578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10255.038578][ T10] netlink_rcv_skb+0x130/0x360 [10255.038578][ T10] netlink_unicast+0x449/0x710 [10255.038578][ T10] netlink_sendmsg+0x723/0xbe0 [10255.038578][ T10] ____sys_sendmsg+0x7b2/0xa10 [10255.038578][ T10] ___sys_sendmsg+0xee/0x170 [10255.038578][ T10] __sys_sendmsg+0xcd/0x170 [10255.038578][ T10] do_syscall_64+0xc6/0x1e0 [10255.038578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10255.038578][ T10] [10255.090247][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10255.091053][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10255.091053][ T10] netdev_get_by_index+0x5e/0x80 [10255.091053][ T10] fib6_nh_init+0x3d8/0x1580 [10255.091053][ T10] ip6_route_info_create+0xf18/0x17d0 [10255.091053][ T10] addrconf_f6i_alloc+0x265/0x560 [10255.091053][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10255.091053][ T10] addrconf_join_anycast+0x1c0/0x220 [10255.091053][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10255.091053][ T10] addrconf_dad_completed+0x12b/0xe20 [10255.091053][ T10] addrconf_dad_begin+0x310/0x670 [10255.091053][ T10] addrconf_dad_work+0x10b/0xab0 [10255.091053][ T10] process_one_work+0x84d/0x18a0 [10255.091053][ T10] worker_thread+0x587/0xd30 [10255.091053][ T10] kthread+0x28a/0x350 [10255.091053][ T10] ret_from_fork+0x31/0x70 [10255.091053][ T10] ret_from_fork_asm+0x1a/0x30 [10255.091053][ T10] [10255.095492][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10255.095492][ T10] netdev_get_by_index+0x5e/0x80 [10255.095492][ T10] fib6_nh_init+0x3d8/0x1580 [10255.095492][ T10] ip6_route_info_create+0xf18/0x17d0 [10255.095492][ T10] ip6_route_add+0x1c/0x140 [10255.095492][ T10] addrconf_prefix_route+0x2a6/0x430 [10255.095492][ T10] inet6_addr_add+0x4f8/0xa40 [10255.095492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10255.095492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10255.095492][ T10] netlink_rcv_skb+0x130/0x360 [10255.095492][ T10] netlink_unicast+0x449/0x710 [10255.095492][ T10] netlink_sendmsg+0x723/0xbe0 [10255.095492][ T10] ____sys_sendmsg+0x7b2/0xa10 [10255.095492][ T10] ___sys_sendmsg+0xee/0x170 [10255.095492][ T10] __sys_sendmsg+0xcd/0x170 [10255.095492][ T10] do_syscall_64+0xc6/0x1e0 [10255.095492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10255.095492][ T10] [10255.100594][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10255.100594][ T10] netdev_get_by_index+0x5e/0x80 [10255.100594][ T10] fib6_nh_init+0x3d8/0x1580 [10255.100594][ T10] ip6_route_info_create+0xf18/0x17d0 [10255.100594][ T10] addrconf_f6i_alloc+0x315/0x560 [10255.100594][ T10] ipv6_add_addr+0x411/0x2000 [10255.100594][ T10] inet6_addr_add+0x30e/0xa40 [10255.100594][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10255.100594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10255.100594][ T10] netlink_rcv_skb+0x130/0x360 [10255.100594][ T10] netlink_unicast+0x449/0x710 [10255.100594][ T10] netlink_sendmsg+0x723/0xbe0 [10255.100594][ T10] ____sys_sendmsg+0x7b2/0xa10 [10255.100594][ T10] ___sys_sendmsg+0xee/0x170 [10255.100594][ T10] __sys_sendmsg+0xcd/0x170 [10255.100594][ T10] do_syscall_64+0xc6/0x1e0 [10255.100594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10255.100594][ T10] [10255.132976][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10255.132976][ T10] netdev_get_by_index+0x5e/0x80 [10255.132976][ T10] fib6_nh_init+0x3d8/0x1580 [10255.132976][ T10] ip6_route_info_create+0xf18/0x17d0 [10255.132976][ T10] ip6_route_add+0x1c/0x140 [10255.132976][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10255.132976][ T10] addrconf_add_dev+0xe2/0x170 [10255.132976][ T10] inet6_addr_add+0x12f/0xa40 [10255.132976][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10255.132976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10255.132976][ T10] netlink_rcv_skb+0x130/0x360 [10255.132976][ T10] netlink_unicast+0x449/0x710 [10255.132976][ T10] netlink_sendmsg+0x723/0xbe0 [10255.132976][ T10] ____sys_sendmsg+0x7b2/0xa10 [10255.132976][ T10] ___sys_sendmsg+0xee/0x170 [10255.132976][ T10] __sys_sendmsg+0xcd/0x170 [10255.132976][ T10] do_syscall_64+0xc6/0x1e0 [10255.132976][ T10] [10255.137386][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10255.137386][ T10] ipv6_add_dev+0x3ba/0x11c0 [10255.137386][ T10] ipv6_find_idev+0x102/0x170 [10255.137386][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10255.137386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10255.137386][ T10] netlink_rcv_skb+0x130/0x360 [10255.137386][ T10] netlink_unicast+0x449/0x710 [10255.137386][ T10] netlink_sendmsg+0x723/0xbe0 [10255.137386][ T10] ____sys_sendmsg+0x7b2/0xa10 [10255.137386][ T10] ___sys_sendmsg+0xee/0x170 [10255.137386][ T10] __sys_sendmsg+0xcd/0x170 [10255.137386][ T10] do_syscall_64+0xc6/0x1e0 [10255.137386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10255.137386][ T10] [10255.140876][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10255.140876][ T10] neigh_parms_alloc+0x1e5/0x510 [10255.140876][ T10] ipv6_add_dev+0x2fe/0x11c0 [10255.140876][ T10] ipv6_find_idev+0x102/0x170 [10255.140876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10255.140876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10255.140876][ T10] netlink_rcv_skb+0x130/0x360 [10255.140876][ T10] netlink_unicast+0x449/0x710 [10255.140876][ T10] netlink_sendmsg+0x723/0xbe0 [10255.140876][ T10] ____sys_sendmsg+0x7b2/0xa10 [10255.140876][ T10] ___sys_sendmsg+0xee/0x170 [10255.140876][ T10] __sys_sendmsg+0xcd/0x170 [10255.140876][ T10] do_syscall_64+0xc6/0x1e0 [10255.140876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10255.140876][ T10] [10255.180325][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10255.181151][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10255.181151][ T10] netdev_get_by_index+0x5e/0x80 [10255.181151][ T10] fib6_nh_init+0x3d8/0x1580 [10255.181151][ T10] ip6_route_info_create+0xf18/0x17d0 [10255.181151][ T10] addrconf_f6i_alloc+0x265/0x560 [10255.181151][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10255.181151][ T10] addrconf_join_anycast+0x1c0/0x220 [10255.181151][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10255.181151][ T10] addrconf_dad_completed+0x12b/0xe20 [10255.181151][ T10] addrconf_dad_begin+0x310/0x670 [10255.181151][ T10] addrconf_dad_work+0x10b/0xab0 [10255.181151][ T10] process_one_work+0x84d/0x18a0 [10255.181151][ T10] worker_thread+0x587/0xd30 [10255.181151][ T10] kthread+0x28a/0x350 [10255.181151][ T10] ret_from_fork+0x31/0x70 [10255.181151][ T10] ret_from_fork_asm+0x1a/0x30 [10255.181151][ T10] [10255.185494][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10255.185494][ T10] netdev_get_by_index+0x5e/0x80 [10255.185494][ T10] fib6_nh_init+0x3d8/0x1580 [10255.185494][ T10] ip6_route_info_create+0xf18/0x17d0 [10255.185494][ T10] ip6_route_add+0x1c/0x140 [10255.185494][ T10] addrconf_prefix_route+0x2a6/0x430 [10255.185494][ T10] inet6_addr_add+0x4f8/0xa40 [10255.185494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10255.185494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10255.185494][ T10] netlink_rcv_skb+0x130/0x360 [10255.185494][ T10] netlink_unicast+0x449/0x710 [10255.185494][ T10] netlink_sendmsg+0x723/0xbe0 [10255.185494][ T10] ____sys_sendmsg+0x7b2/0xa10 [10255.185494][ T10] ___sys_sendmsg+0xee/0x170 [10255.185494][ T10] __sys_sendmsg+0xcd/0x170 [10255.185494][ T10] do_syscall_64+0xc6/0x1e0 [10255.185494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10255.185494][ T10] [10255.210328][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10255.210328][ T10] netdev_get_by_index+0x5e/0x80 [10255.210328][ T10] fib6_nh_init+0x3d8/0x1580 [10255.210328][ T10] ip6_route_info_create+0xf18/0x17d0 [10255.210328][ T10] addrconf_f6i_alloc+0x315/0x560 [10255.210328][ T10] ipv6_add_addr+0x411/0x2000 [10255.210328][ T10] inet6_addr_add+0x30e/0xa40 [10255.210328][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10255.210328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10255.210328][ T10] netlink_rcv_skb+0x130/0x360 [10255.210328][ T10] netlink_unicast+0x449/0x710 [10255.210328][ T10] netlink_sendmsg+0x723/0xbe0 [10255.210328][ T10] ____sys_sendmsg+0x7b2/0xa10 [10255.210328][ T10] ___sys_sendmsg+0xee/0x170 [10255.210328][ T10] __sys_sendmsg+0xcd/0x170 [10255.210328][ T10] do_syscall_64+0xc6/0x1e0 [10255.210328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10255.210328][ T10] [10255.225358][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10255.225358][ T10] netdev_get_by_index+0x5e/0x80 [10255.225358][ T10] fib6_nh_init+0x3d8/0x1580 [10255.225358][ T10] ip6_route_info_create+0xf18/0x17d0 [10255.225358][ T10] ip6_route_add+0x1c/0x140 [10255.225358][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10255.225358][ T10] addrconf_add_dev+0xe2/0x170 [10255.225358][ T10] inet6_addr_add+0x12f/0xa40 [10255.225358][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10255.225358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10255.225358][ T10] netlink_rcv_skb+0x130/0x360 [10255.225358][ T10] netlink_unicast+0x449/0x710 [10255.225358][ T10] netlink_sendmsg+0x723/0xbe0 [10255.225358][ T10] ____sys_sendmsg+0x7b2/0xa10 [10255.225358][ T10] ___sys_sendmsg+0xee/0x170 [10255.225358][ T10] __sys_sendmsg+0xcd/0x170 [10255.225358][ T10] do_syscall_64+0xc6/0x1e0 [10255.225358][ T10] [10255.264495][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10255.264495][ T10] ipv6_add_dev+0x3ba/0x11c0 [10255.264495][ T10] ipv6_find_idev+0x102/0x170 [10255.264495][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10255.264495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10255.264495][ T10] netlink_rcv_skb+0x130/0x360 [10255.264495][ T10] netlink_unicast+0x449/0x710 [10255.264495][ T10] netlink_sendmsg+0x723/0xbe0 [10255.264495][ T10] ____sys_sendmsg+0x7b2/0xa10 [10255.264495][ T10] ___sys_sendmsg+0xee/0x170 [10255.264495][ T10] __sys_sendmsg+0xcd/0x170 [10255.264495][ T10] do_syscall_64+0xc6/0x1e0 [10255.264495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10255.264495][ T10] [10255.272528][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10255.272528][ T10] neigh_parms_alloc+0x1e5/0x510 [10255.272528][ T10] ipv6_add_dev+0x2fe/0x11c0 [10255.272528][ T10] ipv6_find_idev+0x102/0x170 [10255.272528][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10255.272528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10255.272528][ T10] netlink_rcv_skb+0x130/0x360 [10255.272528][ T10] netlink_unicast+0x449/0x710 [10255.272528][ T10] netlink_sendmsg+0x723/0xbe0 [10255.272528][ T10] ____sys_sendmsg+0x7b2/0xa10 [10255.272528][ T10] ___sys_sendmsg+0xee/0x170 [10255.272528][ T10] __sys_sendmsg+0xcd/0x170 [10255.272528][ T10] do_syscall_64+0xc6/0x1e0 [10255.272528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10255.272528][ T10] [10255.340405][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10255.341307][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10255.341307][ T10] netdev_get_by_index+0x5e/0x80 [10255.341307][ T10] fib6_nh_init+0x3d8/0x1580 [10255.341307][ T10] ip6_route_info_create+0xf18/0x17d0 [10255.341307][ T10] addrconf_f6i_alloc+0x265/0x560 [10255.341307][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10255.341307][ T10] addrconf_join_anycast+0x1c0/0x220 [10255.341307][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10255.341307][ T10] addrconf_dad_completed+0x12b/0xe20 [10255.341307][ T10] addrconf_dad_begin+0x310/0x670 [10255.341307][ T10] addrconf_dad_work+0x10b/0xab0 [10255.341307][ T10] process_one_work+0x84d/0x18a0 [10255.341307][ T10] worker_thread+0x587/0xd30 [10255.341307][ T10] kthread+0x28a/0x350 [10255.341307][ T10] ret_from_fork+0x31/0x70 [10255.341307][ T10] ret_from_fork_asm+0x1a/0x30 [10255.341307][ T10] [10255.346569][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10255.346569][ T10] netdev_get_by_index+0x5e/0x80 [10255.346569][ T10] fib6_nh_init+0x3d8/0x1580 [10255.346569][ T10] ip6_route_info_create+0xf18/0x17d0 [10255.346569][ T10] ip6_route_add+0x1c/0x140 [10255.346569][ T10] addrconf_prefix_route+0x2a6/0x430 [10255.346569][ T10] inet6_addr_add+0x4f8/0xa40 [10255.346569][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10255.346569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10255.346569][ T10] netlink_rcv_skb+0x130/0x360 [10255.346569][ T10] netlink_unicast+0x449/0x710 [10255.346569][ T10] netlink_sendmsg+0x723/0xbe0 [10255.346569][ T10] ____sys_sendmsg+0x7b2/0xa10 [10255.346569][ T10] ___sys_sendmsg+0xee/0x170 [10255.346569][ T10] __sys_sendmsg+0xcd/0x170 [10255.346569][ T10] do_syscall_64+0xc6/0x1e0 [10255.346569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10255.346569][ T10] [10255.360887][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10255.360887][ T10] netdev_get_by_index+0x5e/0x80 [10255.360887][ T10] fib6_nh_init+0x3d8/0x1580 [10255.360887][ T10] ip6_route_info_create+0xf18/0x17d0 [10255.360887][ T10] addrconf_f6i_alloc+0x315/0x560 [10255.360887][ T10] ipv6_add_addr+0x411/0x2000 [10255.360887][ T10] inet6_addr_add+0x30e/0xa40 [10255.360887][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10255.360887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10255.360887][ T10] netlink_rcv_skb+0x130/0x360 [10255.360887][ T10] netlink_unicast+0x449/0x710 [10255.360887][ T10] netlink_sendmsg+0x723/0xbe0 [10255.360887][ T10] ____sys_sendmsg+0x7b2/0xa10 [10255.360887][ T10] ___sys_sendmsg+0xee/0x170 [10255.360887][ T10] __sys_sendmsg+0xcd/0x170 [10255.360887][ T10] do_syscall_64+0xc6/0x1e0 [10255.360887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10255.360887][ T10] [10255.383152][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10255.383152][ T10] netdev_get_by_index+0x5e/0x80 [10255.383152][ T10] fib6_nh_init+0x3d8/0x1580 [10255.383152][ T10] ip6_route_info_create+0xf18/0x17d0 [10255.383152][ T10] ip6_route_add+0x1c/0x140 [10255.383152][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10255.383152][ T10] addrconf_add_dev+0xe2/0x170 [10255.383152][ T10] inet6_addr_add+0x12f/0xa40 [10255.383152][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10255.383152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10255.383152][ T10] netlink_rcv_skb+0x130/0x360 [10255.383152][ T10] netlink_unicast+0x449/0x710 [10255.383152][ T10] netlink_sendmsg+0x723/0xbe0 [10255.383152][ T10] ____sys_sendmsg+0x7b2/0xa10 [10255.383152][ T10] ___sys_sendmsg+0xee/0x170 [10255.383152][ T10] __sys_sendmsg+0xcd/0x170 [10255.383152][ T10] do_syscall_64+0xc6/0x1e0 [10255.383152][ T10] [10255.422402][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10255.422402][ T10] ipv6_add_dev+0x3ba/0x11c0 [10255.422402][ T10] ipv6_find_idev+0x102/0x170 [10255.422402][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10255.422402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10255.422402][ T10] netlink_rcv_skb+0x130/0x360 [10255.422402][ T10] netlink_unicast+0x449/0x710 [10255.422402][ T10] netlink_sendmsg+0x723/0xbe0 [10255.422402][ T10] ____sys_sendmsg+0x7b2/0xa10 [10255.422402][ T10] ___sys_sendmsg+0xee/0x170 [10255.422402][ T10] __sys_sendmsg+0xcd/0x170 [10255.422402][ T10] do_syscall_64+0xc6/0x1e0 [10255.422402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10255.422402][ T10] [10255.431729][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10255.431729][ T10] neigh_parms_alloc+0x1e5/0x510 [10255.431729][ T10] ipv6_add_dev+0x2fe/0x11c0 [10255.431729][ T10] ipv6_find_idev+0x102/0x170 [10255.431729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10255.431729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10255.431729][ T10] netlink_rcv_skb+0x130/0x360 [10255.431729][ T10] netlink_unicast+0x449/0x710 [10255.431729][ T10] netlink_sendmsg+0x723/0xbe0 [10255.431729][ T10] ____sys_sendmsg+0x7b2/0xa10 [10255.431729][ T10] ___sys_sendmsg+0xee/0x170 [10255.431729][ T10] __sys_sendmsg+0xcd/0x170 [10255.431729][ T10] do_syscall_64+0xc6/0x1e0 [10255.431729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10255.431729][ T10] [10264.761507][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10264.762422][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10264.762422][ T1167] dst_init+0x84/0x4a0 [10264.762422][ T1167] dst_alloc+0x97/0x150 [10264.762422][ T1167] ip6_dst_alloc+0x23/0x90 [10264.762422][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10264.762422][ T1167] ip6_pol_route+0x56f/0x840 [10264.762422][ T1167] fib6_rule_lookup+0x334/0x630 [10264.762422][ T1167] ip6_route_output_flags+0x259/0x480 [10264.762422][ T1167] inet6_rtm_getroute+0x980/0xf70 [10264.762422][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10264.762422][ T1167] netlink_rcv_skb+0x130/0x360 [10264.762422][ T1167] netlink_unicast+0x449/0x710 [10264.762422][ T1167] netlink_sendmsg+0x723/0xbe0 [10264.762422][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10264.762422][ T1167] ___sys_sendmsg+0xee/0x170 [10264.762422][ T1167] __sys_sendmsg+0xcd/0x170 [10264.762422][ T1167] do_syscall_64+0xc6/0x1e0 [10264.762422][ T1167] [10264.766593][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10264.766593][ T1167] netdev_get_by_index+0x5e/0x80 [10264.766593][ T1167] fib6_nh_init+0x3d8/0x1580 [10264.766593][ T1167] ip6_route_info_create+0xf18/0x17d0 [10264.766593][ T1167] addrconf_f6i_alloc+0x265/0x560 [10264.766593][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10264.766593][ T1167] addrconf_join_anycast+0x1c0/0x220 [10264.766593][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10264.766593][ T1167] addrconf_dad_completed+0x12b/0xe20 [10264.766593][ T1167] addrconf_dad_begin+0x310/0x670 [10264.766593][ T1167] addrconf_dad_work+0x10b/0xab0 [10264.766593][ T1167] process_one_work+0x84d/0x18a0 [10264.766593][ T1167] worker_thread+0x587/0xd30 [10264.766593][ T1167] kthread+0x28a/0x350 [10264.766593][ T1167] ret_from_fork+0x31/0x70 [10264.766593][ T1167] ret_from_fork_asm+0x1a/0x30 [10264.766593][ T1167] [10264.771920][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10264.771920][ T1167] netdev_get_by_index+0x5e/0x80 [10264.771920][ T1167] fib6_nh_init+0x3d8/0x1580 [10264.771920][ T1167] ip6_route_info_create+0xf18/0x17d0 [10264.771920][ T1167] ip6_route_add+0x1c/0x140 [10264.771920][ T1167] addrconf_prefix_route+0x2a6/0x430 [10264.771920][ T1167] inet6_addr_add+0x4f8/0xa40 [10264.771920][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10264.771920][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10264.771920][ T1167] netlink_rcv_skb+0x130/0x360 [10264.771920][ T1167] netlink_unicast+0x449/0x710 [10264.771920][ T1167] netlink_sendmsg+0x723/0xbe0 [10264.771920][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10264.771920][ T1167] ___sys_sendmsg+0xee/0x170 [10264.771920][ T1167] __sys_sendmsg+0xcd/0x170 [10264.771920][ T1167] do_syscall_64+0xc6/0x1e0 [10264.771920][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10264.771920][ T1167] [10264.800786][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10264.800786][ T1167] netdev_get_by_index+0x5e/0x80 [10264.800786][ T1167] fib6_nh_init+0x3d8/0x1580 [10264.800786][ T1167] ip6_route_info_create+0xf18/0x17d0 [10264.800786][ T1167] addrconf_f6i_alloc+0x315/0x560 [10264.800786][ T1167] ipv6_add_addr+0x411/0x2000 [10264.800786][ T1167] inet6_addr_add+0x30e/0xa40 [10264.800786][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10264.800786][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10264.800786][ T1167] netlink_rcv_skb+0x130/0x360 [10264.800786][ T1167] netlink_unicast+0x449/0x710 [10264.800786][ T1167] netlink_sendmsg+0x723/0xbe0 [10264.800786][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10264.800786][ T1167] ___sys_sendmsg+0xee/0x170 [10264.800786][ T1167] __sys_sendmsg+0xcd/0x170 [10264.800786][ T1167] do_syscall_64+0xc6/0x1e0 [10264.800786][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10264.800786][ T1167] [10264.824068][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10264.824068][ T1167] netdev_get_by_index+0x5e/0x80 [10264.824068][ T1167] fib6_nh_init+0x3d8/0x1580 [10264.824068][ T1167] ip6_route_info_create+0xf18/0x17d0 [10264.824068][ T1167] ip6_route_add+0x1c/0x140 [10264.824068][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10264.824068][ T1167] addrconf_add_dev+0xe2/0x170 [10264.824068][ T1167] inet6_addr_add+0x12f/0xa40 [10264.824068][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10264.824068][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10264.824068][ T1167] netlink_rcv_skb+0x130/0x360 [10264.824068][ T1167] netlink_unicast+0x449/0x710 [10264.824068][ T1167] netlink_sendmsg+0x723/0xbe0 [10264.824068][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10264.824068][ T1167] ___sys_sendmsg+0xee/0x170 [10264.824068][ T1167] __sys_sendmsg+0xcd/0x170 [10264.824068][ T1167] do_syscall_64+0xc6/0x1e0 [10264.824068][ T1167] [10264.831484][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10264.831484][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10264.831484][ T1167] ipv6_find_idev+0x102/0x170 [10264.831484][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10264.831484][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10264.831484][ T1167] netlink_rcv_skb+0x130/0x360 [10264.831484][ T1167] netlink_unicast+0x449/0x710 [10264.831484][ T1167] netlink_sendmsg+0x723/0xbe0 [10264.831484][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10264.831484][ T1167] ___sys_sendmsg+0xee/0x170 [10264.831484][ T1167] __sys_sendmsg+0xcd/0x170 [10264.831484][ T1167] do_syscall_64+0xc6/0x1e0 [10264.831484][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10264.831484][ T1167] [10264.871436][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10264.871436][ T1167] neigh_parms_alloc+0x1e5/0x510 [10264.871436][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10264.871436][ T1167] ipv6_find_idev+0x102/0x170 [10264.871436][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10264.871436][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10264.871436][ T1167] netlink_rcv_skb+0x130/0x360 [10264.871436][ T1167] netlink_unicast+0x449/0x710 [10264.871436][ T1167] netlink_sendmsg+0x723/0xbe0 [10264.871436][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10264.871436][ T1167] ___sys_sendmsg+0xee/0x170 [10264.871436][ T1167] __sys_sendmsg+0xcd/0x170 [10264.871436][ T1167] do_syscall_64+0xc6/0x1e0 [10264.871436][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10264.871436][ T1167] [10265.529328][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10265.547826][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10265.547826][ T10] netdev_get_by_index+0x5e/0x80 [10265.547826][ T10] fib6_nh_init+0x3d8/0x1580 [10265.547826][ T10] ip6_route_info_create+0xf18/0x17d0 [10265.547826][ T10] addrconf_f6i_alloc+0x265/0x560 [10265.547826][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10265.547826][ T10] addrconf_join_anycast+0x1c0/0x220 [10265.547826][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10265.547826][ T10] addrconf_dad_completed+0x12b/0xe20 [10265.547826][ T10] addrconf_dad_begin+0x310/0x670 [10265.547826][ T10] addrconf_dad_work+0x10b/0xab0 [10265.547826][ T10] process_one_work+0x84d/0x18a0 [10265.547826][ T10] worker_thread+0x587/0xd30 [10265.547826][ T10] kthread+0x28a/0x350 [10265.547826][ T10] ret_from_fork+0x31/0x70 [10265.547826][ T10] ret_from_fork_asm+0x1a/0x30 [10265.547826][ T10] [10265.552470][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10265.552470][ T10] netdev_get_by_index+0x5e/0x80 [10265.552470][ T10] fib6_nh_init+0x3d8/0x1580 [10265.552470][ T10] ip6_route_info_create+0xf18/0x17d0 [10265.552470][ T10] ip6_route_add+0x1c/0x140 [10265.552470][ T10] addrconf_prefix_route+0x2a6/0x430 [10265.552470][ T10] inet6_addr_add+0x4f8/0xa40 [10265.552470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10265.552470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10265.552470][ T10] netlink_rcv_skb+0x130/0x360 [10265.552470][ T10] netlink_unicast+0x449/0x710 [10265.552470][ T10] netlink_sendmsg+0x723/0xbe0 [10265.552470][ T10] ____sys_sendmsg+0x7b2/0xa10 [10265.552470][ T10] ___sys_sendmsg+0xee/0x170 [10265.552470][ T10] __sys_sendmsg+0xcd/0x170 [10265.552470][ T10] do_syscall_64+0xc6/0x1e0 [10265.552470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10265.552470][ T10] [10265.556931][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10265.556931][ T10] netdev_get_by_index+0x5e/0x80 [10265.556931][ T10] fib6_nh_init+0x3d8/0x1580 [10265.556931][ T10] ip6_route_info_create+0xf18/0x17d0 [10265.556931][ T10] addrconf_f6i_alloc+0x315/0x560 [10265.556931][ T10] ipv6_add_addr+0x411/0x2000 [10265.556931][ T10] inet6_addr_add+0x30e/0xa40 [10265.556931][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10265.556931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10265.556931][ T10] netlink_rcv_skb+0x130/0x360 [10265.556931][ T10] netlink_unicast+0x449/0x710 [10265.556931][ T10] netlink_sendmsg+0x723/0xbe0 [10265.556931][ T10] ____sys_sendmsg+0x7b2/0xa10 [10265.556931][ T10] ___sys_sendmsg+0xee/0x170 [10265.556931][ T10] __sys_sendmsg+0xcd/0x170 [10265.556931][ T10] do_syscall_64+0xc6/0x1e0 [10265.556931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10265.556931][ T10] [10265.561320][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10265.561320][ T10] netdev_get_by_index+0x5e/0x80 [10265.561320][ T10] fib6_nh_init+0x3d8/0x1580 [10265.561320][ T10] ip6_route_info_create+0xf18/0x17d0 [10265.561320][ T10] ip6_route_add+0x1c/0x140 [10265.561320][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10265.561320][ T10] addrconf_add_dev+0xe2/0x170 [10265.561320][ T10] inet6_addr_add+0x12f/0xa40 [10265.561320][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10265.561320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10265.561320][ T10] netlink_rcv_skb+0x130/0x360 [10265.561320][ T10] netlink_unicast+0x449/0x710 [10265.561320][ T10] netlink_sendmsg+0x723/0xbe0 [10265.561320][ T10] ____sys_sendmsg+0x7b2/0xa10 [10265.561320][ T10] ___sys_sendmsg+0xee/0x170 [10265.561320][ T10] __sys_sendmsg+0xcd/0x170 [10265.561320][ T10] do_syscall_64+0xc6/0x1e0 [10265.561320][ T10] [10265.565811][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10265.565811][ T10] ipv6_add_dev+0x3ba/0x11c0 [10265.565811][ T10] ipv6_find_idev+0x102/0x170 [10265.565811][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10265.565811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10265.565811][ T10] netlink_rcv_skb+0x130/0x360 [10265.565811][ T10] netlink_unicast+0x449/0x710 [10265.565811][ T10] netlink_sendmsg+0x723/0xbe0 [10265.565811][ T10] ____sys_sendmsg+0x7b2/0xa10 [10265.565811][ T10] ___sys_sendmsg+0xee/0x170 [10265.565811][ T10] __sys_sendmsg+0xcd/0x170 [10265.565811][ T10] do_syscall_64+0xc6/0x1e0 [10265.565811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10265.565811][ T10] [10265.600621][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10265.600621][ T10] neigh_parms_alloc+0x1e5/0x510 [10265.600621][ T10] ipv6_add_dev+0x2fe/0x11c0 [10265.600621][ T10] ipv6_find_idev+0x102/0x170 [10265.600621][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10265.600621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10265.600621][ T10] netlink_rcv_skb+0x130/0x360 [10265.600621][ T10] netlink_unicast+0x449/0x710 [10265.600621][ T10] netlink_sendmsg+0x723/0xbe0 [10265.600621][ T10] ____sys_sendmsg+0x7b2/0xa10 [10265.600621][ T10] ___sys_sendmsg+0xee/0x170 [10265.600621][ T10] __sys_sendmsg+0xcd/0x170 [10265.600621][ T10] do_syscall_64+0xc6/0x1e0 [10265.600621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10265.600621][ T10] [10265.613131][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10265.613753][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10265.613753][ T10] netdev_get_by_index+0x5e/0x80 [10265.613753][ T10] fib6_nh_init+0x3d8/0x1580 [10265.613753][ T10] ip6_route_info_create+0xf18/0x17d0 [10265.613753][ T10] addrconf_f6i_alloc+0x265/0x560 [10265.613753][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10265.613753][ T10] addrconf_join_anycast+0x1c0/0x220 [10265.613753][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10265.613753][ T10] addrconf_dad_completed+0x12b/0xe20 [10265.613753][ T10] addrconf_dad_begin+0x310/0x670 [10265.613753][ T10] addrconf_dad_work+0x10b/0xab0 [10265.613753][ T10] process_one_work+0x84d/0x18a0 [10265.613753][ T10] worker_thread+0x587/0xd30 [10265.613753][ T10] kthread+0x28a/0x350 [10265.613753][ T10] ret_from_fork+0x31/0x70 [10265.613753][ T10] ret_from_fork_asm+0x1a/0x30 [10265.613753][ T10] [10265.618026][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10265.618026][ T10] netdev_get_by_index+0x5e/0x80 [10265.618026][ T10] fib6_nh_init+0x3d8/0x1580 [10265.618026][ T10] ip6_route_info_create+0xf18/0x17d0 [10265.618026][ T10] ip6_route_add+0x1c/0x140 [10265.618026][ T10] addrconf_prefix_route+0x2a6/0x430 [10265.618026][ T10] inet6_addr_add+0x4f8/0xa40 [10265.618026][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10265.618026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10265.618026][ T10] netlink_rcv_skb+0x130/0x360 [10265.618026][ T10] netlink_unicast+0x449/0x710 [10265.618026][ T10] netlink_sendmsg+0x723/0xbe0 [10265.618026][ T10] ____sys_sendmsg+0x7b2/0xa10 [10265.618026][ T10] ___sys_sendmsg+0xee/0x170 [10265.618026][ T10] __sys_sendmsg+0xcd/0x170 [10265.618026][ T10] do_syscall_64+0xc6/0x1e0 [10265.618026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10265.618026][ T10] [10265.622733][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10265.622733][ T10] netdev_get_by_index+0x5e/0x80 [10265.622733][ T10] fib6_nh_init+0x3d8/0x1580 [10265.622733][ T10] ip6_route_info_create+0xf18/0x17d0 [10265.622733][ T10] addrconf_f6i_alloc+0x315/0x560 [10265.622733][ T10] ipv6_add_addr+0x411/0x2000 [10265.622733][ T10] inet6_addr_add+0x30e/0xa40 [10265.622733][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10265.622733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10265.622733][ T10] netlink_rcv_skb+0x130/0x360 [10265.622733][ T10] netlink_unicast+0x449/0x710 [10265.622733][ T10] netlink_sendmsg+0x723/0xbe0 [10265.622733][ T10] ____sys_sendmsg+0x7b2/0xa10 [10265.622733][ T10] ___sys_sendmsg+0xee/0x170 [10265.622733][ T10] __sys_sendmsg+0xcd/0x170 [10265.622733][ T10] do_syscall_64+0xc6/0x1e0 [10265.622733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10265.622733][ T10] [10265.654553][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10265.654553][ T10] netdev_get_by_index+0x5e/0x80 [10265.654553][ T10] fib6_nh_init+0x3d8/0x1580 [10265.654553][ T10] ip6_route_info_create+0xf18/0x17d0 [10265.654553][ T10] ip6_route_add+0x1c/0x140 [10265.654553][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10265.654553][ T10] addrconf_add_dev+0xe2/0x170 [10265.654553][ T10] inet6_addr_add+0x12f/0xa40 [10265.654553][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10265.654553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10265.654553][ T10] netlink_rcv_skb+0x130/0x360 [10265.654553][ T10] netlink_unicast+0x449/0x710 [10265.654553][ T10] netlink_sendmsg+0x723/0xbe0 [10265.654553][ T10] ____sys_sendmsg+0x7b2/0xa10 [10265.654553][ T10] ___sys_sendmsg+0xee/0x170 [10265.654553][ T10] __sys_sendmsg+0xcd/0x170 [10265.654553][ T10] do_syscall_64+0xc6/0x1e0 [10265.654553][ T10] [10265.658922][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10265.658922][ T10] ipv6_add_dev+0x3ba/0x11c0 [10265.658922][ T10] ipv6_find_idev+0x102/0x170 [10265.658922][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10265.658922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10265.658922][ T10] netlink_rcv_skb+0x130/0x360 [10265.658922][ T10] netlink_unicast+0x449/0x710 [10265.658922][ T10] netlink_sendmsg+0x723/0xbe0 [10265.658922][ T10] ____sys_sendmsg+0x7b2/0xa10 [10265.658922][ T10] ___sys_sendmsg+0xee/0x170 [10265.658922][ T10] __sys_sendmsg+0xcd/0x170 [10265.658922][ T10] do_syscall_64+0xc6/0x1e0 [10265.658922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10265.658922][ T10] [10265.672369][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10265.672369][ T10] neigh_parms_alloc+0x1e5/0x510 [10265.672369][ T10] ipv6_add_dev+0x2fe/0x11c0 [10265.672369][ T10] ipv6_find_idev+0x102/0x170 [10265.672369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10265.672369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10265.672369][ T10] netlink_rcv_skb+0x130/0x360 [10265.672369][ T10] netlink_unicast+0x449/0x710 [10265.672369][ T10] netlink_sendmsg+0x723/0xbe0 [10265.672369][ T10] ____sys_sendmsg+0x7b2/0xa10 [10265.672369][ T10] ___sys_sendmsg+0xee/0x170 [10265.672369][ T10] __sys_sendmsg+0xcd/0x170 [10265.672369][ T10] do_syscall_64+0xc6/0x1e0 [10265.672369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10265.672369][ T10] [10265.710212][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10265.710964][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10265.710964][ T10] netdev_get_by_index+0x5e/0x80 [10265.710964][ T10] fib6_nh_init+0x3d8/0x1580 [10265.710964][ T10] ip6_route_info_create+0xf18/0x17d0 [10265.710964][ T10] addrconf_f6i_alloc+0x265/0x560 [10265.710964][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10265.710964][ T10] addrconf_join_anycast+0x1c0/0x220 [10265.710964][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10265.710964][ T10] addrconf_dad_completed+0x12b/0xe20 [10265.710964][ T10] addrconf_dad_begin+0x310/0x670 [10265.710964][ T10] addrconf_dad_work+0x10b/0xab0 [10265.710964][ T10] process_one_work+0x84d/0x18a0 [10265.710964][ T10] worker_thread+0x587/0xd30 [10265.710964][ T10] kthread+0x28a/0x350 [10265.710964][ T10] ret_from_fork+0x31/0x70 [10265.710964][ T10] ret_from_fork_asm+0x1a/0x30 [10265.710964][ T10] [10265.715269][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10265.715269][ T10] netdev_get_by_index+0x5e/0x80 [10265.715269][ T10] fib6_nh_init+0x3d8/0x1580 [10265.715269][ T10] ip6_route_info_create+0xf18/0x17d0 [10265.715269][ T10] ip6_route_add+0x1c/0x140 [10265.715269][ T10] addrconf_prefix_route+0x2a6/0x430 [10265.715269][ T10] inet6_addr_add+0x4f8/0xa40 [10265.715269][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10265.715269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10265.715269][ T10] netlink_rcv_skb+0x130/0x360 [10265.715269][ T10] netlink_unicast+0x449/0x710 [10265.715269][ T10] netlink_sendmsg+0x723/0xbe0 [10265.715269][ T10] ____sys_sendmsg+0x7b2/0xa10 [10265.715269][ T10] ___sys_sendmsg+0xee/0x170 [10265.715269][ T10] __sys_sendmsg+0xcd/0x170 [10265.715269][ T10] do_syscall_64+0xc6/0x1e0 [10265.715269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10265.715269][ T10] [10265.760605][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10265.760605][ T10] netdev_get_by_index+0x5e/0x80 [10265.760605][ T10] fib6_nh_init+0x3d8/0x1580 [10265.760605][ T10] ip6_route_info_create+0xf18/0x17d0 [10265.760605][ T10] addrconf_f6i_alloc+0x315/0x560 [10265.760605][ T10] ipv6_add_addr+0x411/0x2000 [10265.760605][ T10] inet6_addr_add+0x30e/0xa40 [10265.760605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10265.760605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10265.760605][ T10] netlink_rcv_skb+0x130/0x360 [10265.760605][ T10] netlink_unicast+0x449/0x710 [10265.760605][ T10] netlink_sendmsg+0x723/0xbe0 [10265.760605][ T10] ____sys_sendmsg+0x7b2/0xa10 [10265.760605][ T10] ___sys_sendmsg+0xee/0x170 [10265.760605][ T10] __sys_sendmsg+0xcd/0x170 [10265.760605][ T10] do_syscall_64+0xc6/0x1e0 [10265.760605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10265.760605][ T10] [10265.765519][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10265.765519][ T10] netdev_get_by_index+0x5e/0x80 [10265.765519][ T10] fib6_nh_init+0x3d8/0x1580 [10265.765519][ T10] ip6_route_info_create+0xf18/0x17d0 [10265.765519][ T10] ip6_route_add+0x1c/0x140 [10265.765519][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10265.765519][ T10] addrconf_add_dev+0xe2/0x170 [10265.765519][ T10] inet6_addr_add+0x12f/0xa40 [10265.765519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10265.765519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10265.765519][ T10] netlink_rcv_skb+0x130/0x360 [10265.765519][ T10] netlink_unicast+0x449/0x710 [10265.765519][ T10] netlink_sendmsg+0x723/0xbe0 [10265.765519][ T10] ____sys_sendmsg+0x7b2/0xa10 [10265.765519][ T10] ___sys_sendmsg+0xee/0x170 [10265.765519][ T10] __sys_sendmsg+0xcd/0x170 [10265.765519][ T10] do_syscall_64+0xc6/0x1e0 [10265.765519][ T10] [10265.781176][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10265.781176][ T10] ipv6_add_dev+0x3ba/0x11c0 [10265.781176][ T10] ipv6_find_idev+0x102/0x170 [10265.781176][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10265.781176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10265.781176][ T10] netlink_rcv_skb+0x130/0x360 [10265.781176][ T10] netlink_unicast+0x449/0x710 [10265.781176][ T10] netlink_sendmsg+0x723/0xbe0 [10265.781176][ T10] ____sys_sendmsg+0x7b2/0xa10 [10265.781176][ T10] ___sys_sendmsg+0xee/0x170 [10265.781176][ T10] __sys_sendmsg+0xcd/0x170 [10265.781176][ T10] do_syscall_64+0xc6/0x1e0 [10265.781176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10265.781176][ T10] [10265.802453][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10265.802453][ T10] neigh_parms_alloc+0x1e5/0x510 [10265.802453][ T10] ipv6_add_dev+0x2fe/0x11c0 [10265.802453][ T10] ipv6_find_idev+0x102/0x170 [10265.802453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10265.802453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10265.802453][ T10] netlink_rcv_skb+0x130/0x360 [10265.802453][ T10] netlink_unicast+0x449/0x710 [10265.802453][ T10] netlink_sendmsg+0x723/0xbe0 [10265.802453][ T10] ____sys_sendmsg+0x7b2/0xa10 [10265.802453][ T10] ___sys_sendmsg+0xee/0x170 [10265.802453][ T10] __sys_sendmsg+0xcd/0x170 [10265.802453][ T10] do_syscall_64+0xc6/0x1e0 [10265.802453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10265.802453][ T10] [10265.814261][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10265.814877][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10265.814877][ T10] netdev_get_by_index+0x5e/0x80 [10265.814877][ T10] fib6_nh_init+0x3d8/0x1580 [10265.814877][ T10] ip6_route_info_create+0xf18/0x17d0 [10265.814877][ T10] addrconf_f6i_alloc+0x265/0x560 [10265.814877][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10265.814877][ T10] addrconf_join_anycast+0x1c0/0x220 [10265.814877][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10265.814877][ T10] addrconf_dad_completed+0x12b/0xe20 [10265.814877][ T10] addrconf_dad_begin+0x310/0x670 [10265.814877][ T10] addrconf_dad_work+0x10b/0xab0 [10265.814877][ T10] process_one_work+0x84d/0x18a0 [10265.814877][ T10] worker_thread+0x587/0xd30 [10265.814877][ T10] kthread+0x28a/0x350 [10265.814877][ T10] ret_from_fork+0x31/0x70 [10265.814877][ T10] ret_from_fork_asm+0x1a/0x30 [10265.814877][ T10] [10265.840910][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10265.840910][ T10] netdev_get_by_index+0x5e/0x80 [10265.840910][ T10] fib6_nh_init+0x3d8/0x1580 [10265.840910][ T10] ip6_route_info_create+0xf18/0x17d0 [10265.840910][ T10] ip6_route_add+0x1c/0x140 [10265.840910][ T10] addrconf_prefix_route+0x2a6/0x430 [10265.840910][ T10] inet6_addr_add+0x4f8/0xa40 [10265.840910][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10265.840910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10265.840910][ T10] netlink_rcv_skb+0x130/0x360 [10265.840910][ T10] netlink_unicast+0x449/0x710 [10265.840910][ T10] netlink_sendmsg+0x723/0xbe0 [10265.840910][ T10] ____sys_sendmsg+0x7b2/0xa10 [10265.840910][ T10] ___sys_sendmsg+0xee/0x170 [10265.840910][ T10] __sys_sendmsg+0xcd/0x170 [10265.840910][ T10] do_syscall_64+0xc6/0x1e0 [10265.840910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10265.840910][ T10] [10265.864745][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10265.864745][ T10] netdev_get_by_index+0x5e/0x80 [10265.864745][ T10] fib6_nh_init+0x3d8/0x1580 [10265.864745][ T10] ip6_route_info_create+0xf18/0x17d0 [10265.864745][ T10] addrconf_f6i_alloc+0x315/0x560 [10265.864745][ T10] ipv6_add_addr+0x411/0x2000 [10265.864745][ T10] inet6_addr_add+0x30e/0xa40 [10265.864745][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10265.864745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10265.864745][ T10] netlink_rcv_skb+0x130/0x360 [10265.864745][ T10] netlink_unicast+0x449/0x710 [10265.864745][ T10] netlink_sendmsg+0x723/0xbe0 [10265.864745][ T10] ____sys_sendmsg+0x7b2/0xa10 [10265.864745][ T10] ___sys_sendmsg+0xee/0x170 [10265.864745][ T10] __sys_sendmsg+0xcd/0x170 [10265.864745][ T10] do_syscall_64+0xc6/0x1e0 [10265.864745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10265.864745][ T10] [10265.869871][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10265.869871][ T10] netdev_get_by_index+0x5e/0x80 [10265.869871][ T10] fib6_nh_init+0x3d8/0x1580 [10265.869871][ T10] ip6_route_info_create+0xf18/0x17d0 [10265.869871][ T10] ip6_route_add+0x1c/0x140 [10265.869871][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10265.869871][ T10] addrconf_add_dev+0xe2/0x170 [10265.869871][ T10] inet6_addr_add+0x12f/0xa40 [10265.869871][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10265.869871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10265.869871][ T10] netlink_rcv_skb+0x130/0x360 [10265.869871][ T10] netlink_unicast+0x449/0x710 [10265.869871][ T10] netlink_sendmsg+0x723/0xbe0 [10265.869871][ T10] ____sys_sendmsg+0x7b2/0xa10 [10265.869871][ T10] ___sys_sendmsg+0xee/0x170 [10265.869871][ T10] __sys_sendmsg+0xcd/0x170 [10265.869871][ T10] do_syscall_64+0xc6/0x1e0 [10265.869871][ T10] [10265.910638][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10265.910638][ T10] ipv6_add_dev+0x3ba/0x11c0 [10265.910638][ T10] ipv6_find_idev+0x102/0x170 [10265.910638][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10265.910638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10265.910638][ T10] netlink_rcv_skb+0x130/0x360 [10265.910638][ T10] netlink_unicast+0x449/0x710 [10265.910638][ T10] netlink_sendmsg+0x723/0xbe0 [10265.910638][ T10] ____sys_sendmsg+0x7b2/0xa10 [10265.910638][ T10] ___sys_sendmsg+0xee/0x170 [10265.910638][ T10] __sys_sendmsg+0xcd/0x170 [10265.910638][ T10] do_syscall_64+0xc6/0x1e0 [10265.910638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10265.910638][ T10] [10265.925245][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10265.925245][ T10] neigh_parms_alloc+0x1e5/0x510 [10265.925245][ T10] ipv6_add_dev+0x2fe/0x11c0 [10265.925245][ T10] ipv6_find_idev+0x102/0x170 [10265.925245][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10265.925245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10265.925245][ T10] netlink_rcv_skb+0x130/0x360 [10265.925245][ T10] netlink_unicast+0x449/0x710 [10265.925245][ T10] netlink_sendmsg+0x723/0xbe0 [10265.925245][ T10] ____sys_sendmsg+0x7b2/0xa10 [10265.925245][ T10] ___sys_sendmsg+0xee/0x170 [10265.925245][ T10] __sys_sendmsg+0xcd/0x170 [10265.925245][ T10] do_syscall_64+0xc6/0x1e0 [10265.925245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10265.925245][ T10] [10275.049157][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10275.054950][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10275.054950][ T1167] dst_init+0x84/0x4a0 [10275.054950][ T1167] dst_alloc+0x97/0x150 [10275.054950][ T1167] ip6_dst_alloc+0x23/0x90 [10275.054950][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10275.054950][ T1167] ip6_pol_route+0x56f/0x840 [10275.054950][ T1167] fib6_rule_lookup+0x334/0x630 [10275.054950][ T1167] ip6_route_output_flags+0x259/0x480 [10275.054950][ T1167] inet6_rtm_getroute+0x980/0xf70 [10275.054950][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10275.054950][ T1167] netlink_rcv_skb+0x130/0x360 [10275.054950][ T1167] netlink_unicast+0x449/0x710 [10275.054950][ T1167] netlink_sendmsg+0x723/0xbe0 [10275.054950][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10275.054950][ T1167] ___sys_sendmsg+0xee/0x170 [10275.054950][ T1167] __sys_sendmsg+0xcd/0x170 [10275.054950][ T1167] do_syscall_64+0xc6/0x1e0 [10275.054950][ T1167] [10275.061586][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10275.061586][ T1167] netdev_get_by_index+0x5e/0x80 [10275.061586][ T1167] fib6_nh_init+0x3d8/0x1580 [10275.061586][ T1167] ip6_route_info_create+0xf18/0x17d0 [10275.061586][ T1167] addrconf_f6i_alloc+0x265/0x560 [10275.061586][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10275.061586][ T1167] addrconf_join_anycast+0x1c0/0x220 [10275.061586][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10275.061586][ T1167] addrconf_dad_completed+0x12b/0xe20 [10275.061586][ T1167] addrconf_dad_begin+0x310/0x670 [10275.061586][ T1167] addrconf_dad_work+0x10b/0xab0 [10275.061586][ T1167] process_one_work+0x84d/0x18a0 [10275.061586][ T1167] worker_thread+0x587/0xd30 [10275.061586][ T1167] kthread+0x28a/0x350 [10275.061586][ T1167] ret_from_fork+0x31/0x70 [10275.061586][ T1167] ret_from_fork_asm+0x1a/0x30 [10275.061586][ T1167] [10275.068098][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10275.068098][ T1167] netdev_get_by_index+0x5e/0x80 [10275.068098][ T1167] fib6_nh_init+0x3d8/0x1580 [10275.068098][ T1167] ip6_route_info_create+0xf18/0x17d0 [10275.068098][ T1167] ip6_route_add+0x1c/0x140 [10275.068098][ T1167] addrconf_prefix_route+0x2a6/0x430 [10275.068098][ T1167] inet6_addr_add+0x4f8/0xa40 [10275.068098][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10275.068098][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10275.068098][ T1167] netlink_rcv_skb+0x130/0x360 [10275.068098][ T1167] netlink_unicast+0x449/0x710 [10275.068098][ T1167] netlink_sendmsg+0x723/0xbe0 [10275.068098][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10275.068098][ T1167] ___sys_sendmsg+0xee/0x170 [10275.068098][ T1167] __sys_sendmsg+0xcd/0x170 [10275.068098][ T1167] do_syscall_64+0xc6/0x1e0 [10275.068098][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10275.068098][ T1167] [10275.074999][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10275.074999][ T1167] netdev_get_by_index+0x5e/0x80 [10275.074999][ T1167] fib6_nh_init+0x3d8/0x1580 [10275.074999][ T1167] ip6_route_info_create+0xf18/0x17d0 [10275.074999][ T1167] addrconf_f6i_alloc+0x315/0x560 [10275.074999][ T1167] ipv6_add_addr+0x411/0x2000 [10275.074999][ T1167] inet6_addr_add+0x30e/0xa40 [10275.074999][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10275.074999][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10275.074999][ T1167] netlink_rcv_skb+0x130/0x360 [10275.074999][ T1167] netlink_unicast+0x449/0x710 [10275.074999][ T1167] netlink_sendmsg+0x723/0xbe0 [10275.074999][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10275.074999][ T1167] ___sys_sendmsg+0xee/0x170 [10275.074999][ T1167] __sys_sendmsg+0xcd/0x170 [10275.074999][ T1167] do_syscall_64+0xc6/0x1e0 [10275.074999][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10275.074999][ T1167] [10275.081611][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10275.081611][ T1167] netdev_get_by_index+0x5e/0x80 [10275.081611][ T1167] fib6_nh_init+0x3d8/0x1580 [10275.081611][ T1167] ip6_route_info_create+0xf18/0x17d0 [10275.081611][ T1167] ip6_route_add+0x1c/0x140 [10275.081611][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10275.081611][ T1167] addrconf_add_dev+0xe2/0x170 [10275.081611][ T1167] inet6_addr_add+0x12f/0xa40 [10275.081611][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10275.081611][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10275.081611][ T1167] netlink_rcv_skb+0x130/0x360 [10275.081611][ T1167] netlink_unicast+0x449/0x710 [10275.081611][ T1167] netlink_sendmsg+0x723/0xbe0 [10275.081611][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10275.081611][ T1167] ___sys_sendmsg+0xee/0x170 [10275.081611][ T1167] __sys_sendmsg+0xcd/0x170 [10275.081611][ T1167] do_syscall_64+0xc6/0x1e0 [10275.081611][ T1167] [10275.180505][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10275.180505][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10275.180505][ T1167] ipv6_find_idev+0x102/0x170 [10275.180505][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10275.180505][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10275.180505][ T1167] netlink_rcv_skb+0x130/0x360 [10275.180505][ T1167] netlink_unicast+0x449/0x710 [10275.180505][ T1167] netlink_sendmsg+0x723/0xbe0 [10275.180505][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10275.180505][ T1167] ___sys_sendmsg+0xee/0x170 [10275.180505][ T1167] __sys_sendmsg+0xcd/0x170 [10275.180505][ T1167] do_syscall_64+0xc6/0x1e0 [10275.180505][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10275.180505][ T1167] [10275.185776][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10275.185776][ T1167] neigh_parms_alloc+0x1e5/0x510 [10275.185776][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10275.185776][ T1167] ipv6_find_idev+0x102/0x170 [10275.185776][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10275.185776][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10275.185776][ T1167] netlink_rcv_skb+0x130/0x360 [10275.185776][ T1167] netlink_unicast+0x449/0x710 [10275.185776][ T1167] netlink_sendmsg+0x723/0xbe0 [10275.185776][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10275.185776][ T1167] ___sys_sendmsg+0xee/0x170 [10275.185776][ T1167] __sys_sendmsg+0xcd/0x170 [10275.185776][ T1167] do_syscall_64+0xc6/0x1e0 [10275.185776][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10275.185776][ T1167] [10276.121226][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10276.121879][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10276.121879][ T10] netdev_get_by_index+0x5e/0x80 [10276.121879][ T10] fib6_nh_init+0x3d8/0x1580 [10276.121879][ T10] ip6_route_info_create+0xf18/0x17d0 [10276.121879][ T10] addrconf_f6i_alloc+0x265/0x560 [10276.121879][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10276.121879][ T10] addrconf_join_anycast+0x1c0/0x220 [10276.121879][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10276.121879][ T10] addrconf_dad_completed+0x12b/0xe20 [10276.121879][ T10] addrconf_dad_begin+0x310/0x670 [10276.121879][ T10] addrconf_dad_work+0x10b/0xab0 [10276.121879][ T10] process_one_work+0x84d/0x18a0 [10276.121879][ T10] worker_thread+0x587/0xd30 [10276.121879][ T10] kthread+0x28a/0x350 [10276.121879][ T10] ret_from_fork+0x31/0x70 [10276.121879][ T10] ret_from_fork_asm+0x1a/0x30 [10276.121879][ T10] [10276.138970][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10276.138970][ T10] netdev_get_by_index+0x5e/0x80 [10276.138970][ T10] fib6_nh_init+0x3d8/0x1580 [10276.138970][ T10] ip6_route_info_create+0xf18/0x17d0 [10276.138970][ T10] ip6_route_add+0x1c/0x140 [10276.138970][ T10] addrconf_prefix_route+0x2a6/0x430 [10276.138970][ T10] inet6_addr_add+0x4f8/0xa40 [10276.138970][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10276.138970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10276.138970][ T10] netlink_rcv_skb+0x130/0x360 [10276.138970][ T10] netlink_unicast+0x449/0x710 [10276.138970][ T10] netlink_sendmsg+0x723/0xbe0 [10276.138970][ T10] ____sys_sendmsg+0x7b2/0xa10 [10276.138970][ T10] ___sys_sendmsg+0xee/0x170 [10276.138970][ T10] __sys_sendmsg+0xcd/0x170 [10276.138970][ T10] do_syscall_64+0xc6/0x1e0 [10276.138970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10276.138970][ T10] [10276.143312][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10276.143312][ T10] netdev_get_by_index+0x5e/0x80 [10276.143312][ T10] fib6_nh_init+0x3d8/0x1580 [10276.143312][ T10] ip6_route_info_create+0xf18/0x17d0 [10276.143312][ T10] addrconf_f6i_alloc+0x315/0x560 [10276.143312][ T10] ipv6_add_addr+0x411/0x2000 [10276.143312][ T10] inet6_addr_add+0x30e/0xa40 [10276.143312][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10276.143312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10276.143312][ T10] netlink_rcv_skb+0x130/0x360 [10276.143312][ T10] netlink_unicast+0x449/0x710 [10276.143312][ T10] netlink_sendmsg+0x723/0xbe0 [10276.143312][ T10] ____sys_sendmsg+0x7b2/0xa10 [10276.143312][ T10] ___sys_sendmsg+0xee/0x170 [10276.143312][ T10] __sys_sendmsg+0xcd/0x170 [10276.143312][ T10] do_syscall_64+0xc6/0x1e0 [10276.143312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10276.143312][ T10] [10276.151629][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10276.151629][ T10] netdev_get_by_index+0x5e/0x80 [10276.151629][ T10] fib6_nh_init+0x3d8/0x1580 [10276.151629][ T10] ip6_route_info_create+0xf18/0x17d0 [10276.151629][ T10] ip6_route_add+0x1c/0x140 [10276.151629][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10276.151629][ T10] addrconf_add_dev+0xe2/0x170 [10276.151629][ T10] inet6_addr_add+0x12f/0xa40 [10276.151629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10276.151629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10276.151629][ T10] netlink_rcv_skb+0x130/0x360 [10276.151629][ T10] netlink_unicast+0x449/0x710 [10276.151629][ T10] netlink_sendmsg+0x723/0xbe0 [10276.151629][ T10] ____sys_sendmsg+0x7b2/0xa10 [10276.151629][ T10] ___sys_sendmsg+0xee/0x170 [10276.151629][ T10] __sys_sendmsg+0xcd/0x170 [10276.151629][ T10] do_syscall_64+0xc6/0x1e0 [10276.151629][ T10] [10276.170512][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10276.170512][ T10] ipv6_add_dev+0x3ba/0x11c0 [10276.170512][ T10] ipv6_find_idev+0x102/0x170 [10276.170512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10276.170512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10276.170512][ T10] netlink_rcv_skb+0x130/0x360 [10276.170512][ T10] netlink_unicast+0x449/0x710 [10276.170512][ T10] netlink_sendmsg+0x723/0xbe0 [10276.170512][ T10] ____sys_sendmsg+0x7b2/0xa10 [10276.170512][ T10] ___sys_sendmsg+0xee/0x170 [10276.170512][ T10] __sys_sendmsg+0xcd/0x170 [10276.170512][ T10] do_syscall_64+0xc6/0x1e0 [10276.170512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10276.170512][ T10] [10276.192308][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10276.192308][ T10] neigh_parms_alloc+0x1e5/0x510 [10276.192308][ T10] ipv6_add_dev+0x2fe/0x11c0 [10276.192308][ T10] ipv6_find_idev+0x102/0x170 [10276.192308][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10276.192308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10276.192308][ T10] netlink_rcv_skb+0x130/0x360 [10276.192308][ T10] netlink_unicast+0x449/0x710 [10276.192308][ T10] netlink_sendmsg+0x723/0xbe0 [10276.192308][ T10] ____sys_sendmsg+0x7b2/0xa10 [10276.192308][ T10] ___sys_sendmsg+0xee/0x170 [10276.192308][ T10] __sys_sendmsg+0xcd/0x170 [10276.192308][ T10] do_syscall_64+0xc6/0x1e0 [10276.192308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10276.192308][ T10] [10276.240139][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10276.240869][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10276.240869][ T10] netdev_get_by_index+0x5e/0x80 [10276.240869][ T10] fib6_nh_init+0x3d8/0x1580 [10276.240869][ T10] ip6_route_info_create+0xf18/0x17d0 [10276.240869][ T10] addrconf_f6i_alloc+0x265/0x560 [10276.240869][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10276.240869][ T10] addrconf_join_anycast+0x1c0/0x220 [10276.240869][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10276.240869][ T10] addrconf_dad_completed+0x12b/0xe20 [10276.240869][ T10] addrconf_dad_begin+0x310/0x670 [10276.240869][ T10] addrconf_dad_work+0x10b/0xab0 [10276.240869][ T10] process_one_work+0x84d/0x18a0 [10276.240869][ T10] worker_thread+0x587/0xd30 [10276.240869][ T10] kthread+0x28a/0x350 [10276.240869][ T10] ret_from_fork+0x31/0x70 [10276.240869][ T10] ret_from_fork_asm+0x1a/0x30 [10276.240869][ T10] [10276.284487][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10276.284487][ T10] netdev_get_by_index+0x5e/0x80 [10276.284487][ T10] fib6_nh_init+0x3d8/0x1580 [10276.284487][ T10] ip6_route_info_create+0xf18/0x17d0 [10276.284487][ T10] ip6_route_add+0x1c/0x140 [10276.284487][ T10] addrconf_prefix_route+0x2a6/0x430 [10276.284487][ T10] inet6_addr_add+0x4f8/0xa40 [10276.284487][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10276.284487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10276.284487][ T10] netlink_rcv_skb+0x130/0x360 [10276.284487][ T10] netlink_unicast+0x449/0x710 [10276.284487][ T10] netlink_sendmsg+0x723/0xbe0 [10276.284487][ T10] ____sys_sendmsg+0x7b2/0xa10 [10276.284487][ T10] ___sys_sendmsg+0xee/0x170 [10276.284487][ T10] __sys_sendmsg+0xcd/0x170 [10276.284487][ T10] do_syscall_64+0xc6/0x1e0 [10276.284487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10276.284487][ T10] [10276.289151][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10276.289151][ T10] netdev_get_by_index+0x5e/0x80 [10276.289151][ T10] fib6_nh_init+0x3d8/0x1580 [10276.289151][ T10] ip6_route_info_create+0xf18/0x17d0 [10276.289151][ T10] addrconf_f6i_alloc+0x315/0x560 [10276.289151][ T10] ipv6_add_addr+0x411/0x2000 [10276.289151][ T10] inet6_addr_add+0x30e/0xa40 [10276.289151][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10276.289151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10276.289151][ T10] netlink_rcv_skb+0x130/0x360 [10276.289151][ T10] netlink_unicast+0x449/0x710 [10276.289151][ T10] netlink_sendmsg+0x723/0xbe0 [10276.289151][ T10] ____sys_sendmsg+0x7b2/0xa10 [10276.289151][ T10] ___sys_sendmsg+0xee/0x170 [10276.289151][ T10] __sys_sendmsg+0xcd/0x170 [10276.289151][ T10] do_syscall_64+0xc6/0x1e0 [10276.289151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10276.289151][ T10] [10276.321082][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10276.321082][ T10] netdev_get_by_index+0x5e/0x80 [10276.321082][ T10] fib6_nh_init+0x3d8/0x1580 [10276.321082][ T10] ip6_route_info_create+0xf18/0x17d0 [10276.321082][ T10] ip6_route_add+0x1c/0x140 [10276.321082][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10276.321082][ T10] addrconf_add_dev+0xe2/0x170 [10276.321082][ T10] inet6_addr_add+0x12f/0xa40 [10276.321082][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10276.321082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10276.321082][ T10] netlink_rcv_skb+0x130/0x360 [10276.321082][ T10] netlink_unicast+0x449/0x710 [10276.321082][ T10] netlink_sendmsg+0x723/0xbe0 [10276.321082][ T10] ____sys_sendmsg+0x7b2/0xa10 [10276.321082][ T10] ___sys_sendmsg+0xee/0x170 [10276.321082][ T10] __sys_sendmsg+0xcd/0x170 [10276.321082][ T10] do_syscall_64+0xc6/0x1e0 [10276.321082][ T10] [10276.331575][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10276.331575][ T10] ipv6_add_dev+0x3ba/0x11c0 [10276.331575][ T10] ipv6_find_idev+0x102/0x170 [10276.331575][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10276.331575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10276.331575][ T10] netlink_rcv_skb+0x130/0x360 [10276.331575][ T10] netlink_unicast+0x449/0x710 [10276.331575][ T10] netlink_sendmsg+0x723/0xbe0 [10276.331575][ T10] ____sys_sendmsg+0x7b2/0xa10 [10276.331575][ T10] ___sys_sendmsg+0xee/0x170 [10276.331575][ T10] __sys_sendmsg+0xcd/0x170 [10276.331575][ T10] do_syscall_64+0xc6/0x1e0 [10276.331575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10276.331575][ T10] [10276.381468][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10276.381468][ T10] neigh_parms_alloc+0x1e5/0x510 [10276.381468][ T10] ipv6_add_dev+0x2fe/0x11c0 [10276.381468][ T10] ipv6_find_idev+0x102/0x170 [10276.381468][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10276.381468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10276.381468][ T10] netlink_rcv_skb+0x130/0x360 [10276.381468][ T10] netlink_unicast+0x449/0x710 [10276.381468][ T10] netlink_sendmsg+0x723/0xbe0 [10276.381468][ T10] ____sys_sendmsg+0x7b2/0xa10 [10276.381468][ T10] ___sys_sendmsg+0xee/0x170 [10276.381468][ T10] __sys_sendmsg+0xcd/0x170 [10276.381468][ T10] do_syscall_64+0xc6/0x1e0 [10276.381468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10276.381468][ T10] [10276.385482][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10276.386074][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10276.386074][ T10] netdev_get_by_index+0x5e/0x80 [10276.386074][ T10] fib6_nh_init+0x3d8/0x1580 [10276.386074][ T10] ip6_route_info_create+0xf18/0x17d0 [10276.386074][ T10] addrconf_f6i_alloc+0x265/0x560 [10276.386074][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10276.386074][ T10] addrconf_join_anycast+0x1c0/0x220 [10276.386074][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10276.386074][ T10] addrconf_dad_completed+0x12b/0xe20 [10276.386074][ T10] addrconf_dad_begin+0x310/0x670 [10276.386074][ T10] addrconf_dad_work+0x10b/0xab0 [10276.386074][ T10] process_one_work+0x84d/0x18a0 [10276.386074][ T10] worker_thread+0x587/0xd30 [10276.386074][ T10] kthread+0x28a/0x350 [10276.386074][ T10] ret_from_fork+0x31/0x70 [10276.386074][ T10] ret_from_fork_asm+0x1a/0x30 [10276.386074][ T10] [10276.421218][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10276.421218][ T10] netdev_get_by_index+0x5e/0x80 [10276.421218][ T10] fib6_nh_init+0x3d8/0x1580 [10276.421218][ T10] ip6_route_info_create+0xf18/0x17d0 [10276.421218][ T10] ip6_route_add+0x1c/0x140 [10276.421218][ T10] addrconf_prefix_route+0x2a6/0x430 [10276.421218][ T10] inet6_addr_add+0x4f8/0xa40 [10276.421218][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10276.421218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10276.421218][ T10] netlink_rcv_skb+0x130/0x360 [10276.421218][ T10] netlink_unicast+0x449/0x710 [10276.421218][ T10] netlink_sendmsg+0x723/0xbe0 [10276.421218][ T10] ____sys_sendmsg+0x7b2/0xa10 [10276.421218][ T10] ___sys_sendmsg+0xee/0x170 [10276.421218][ T10] __sys_sendmsg+0xcd/0x170 [10276.421218][ T10] do_syscall_64+0xc6/0x1e0 [10276.421218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10276.421218][ T10] [10276.427886][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10276.427886][ T10] netdev_get_by_index+0x5e/0x80 [10276.427886][ T10] fib6_nh_init+0x3d8/0x1580 [10276.427886][ T10] ip6_route_info_create+0xf18/0x17d0 [10276.427886][ T10] addrconf_f6i_alloc+0x315/0x560 [10276.427886][ T10] ipv6_add_addr+0x411/0x2000 [10276.427886][ T10] inet6_addr_add+0x30e/0xa40 [10276.427886][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10276.427886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10276.427886][ T10] netlink_rcv_skb+0x130/0x360 [10276.427886][ T10] netlink_unicast+0x449/0x710 [10276.427886][ T10] netlink_sendmsg+0x723/0xbe0 [10276.427886][ T10] ____sys_sendmsg+0x7b2/0xa10 [10276.427886][ T10] ___sys_sendmsg+0xee/0x170 [10276.427886][ T10] __sys_sendmsg+0xcd/0x170 [10276.427886][ T10] do_syscall_64+0xc6/0x1e0 [10276.427886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10276.427886][ T10] [10276.476921][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10276.476921][ T10] netdev_get_by_index+0x5e/0x80 [10276.476921][ T10] fib6_nh_init+0x3d8/0x1580 [10276.476921][ T10] ip6_route_info_create+0xf18/0x17d0 [10276.476921][ T10] ip6_route_add+0x1c/0x140 [10276.476921][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10276.476921][ T10] addrconf_add_dev+0xe2/0x170 [10276.476921][ T10] inet6_addr_add+0x12f/0xa40 [10276.476921][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10276.476921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10276.476921][ T10] netlink_rcv_skb+0x130/0x360 [10276.476921][ T10] netlink_unicast+0x449/0x710 [10276.476921][ T10] netlink_sendmsg+0x723/0xbe0 [10276.476921][ T10] ____sys_sendmsg+0x7b2/0xa10 [10276.476921][ T10] ___sys_sendmsg+0xee/0x170 [10276.476921][ T10] __sys_sendmsg+0xcd/0x170 [10276.476921][ T10] do_syscall_64+0xc6/0x1e0 [10276.476921][ T10] [10276.510910][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10276.510910][ T10] ipv6_add_dev+0x3ba/0x11c0 [10276.510910][ T10] ipv6_find_idev+0x102/0x170 [10276.510910][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10276.510910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10276.510910][ T10] netlink_rcv_skb+0x130/0x360 [10276.510910][ T10] netlink_unicast+0x449/0x710 [10276.510910][ T10] netlink_sendmsg+0x723/0xbe0 [10276.510910][ T10] ____sys_sendmsg+0x7b2/0xa10 [10276.510910][ T10] ___sys_sendmsg+0xee/0x170 [10276.510910][ T10] __sys_sendmsg+0xcd/0x170 [10276.510910][ T10] do_syscall_64+0xc6/0x1e0 [10276.510910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10276.510910][ T10] [10276.532923][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10276.532923][ T10] neigh_parms_alloc+0x1e5/0x510 [10276.532923][ T10] ipv6_add_dev+0x2fe/0x11c0 [10276.532923][ T10] ipv6_find_idev+0x102/0x170 [10276.532923][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10276.532923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10276.532923][ T10] netlink_rcv_skb+0x130/0x360 [10276.532923][ T10] netlink_unicast+0x449/0x710 [10276.532923][ T10] netlink_sendmsg+0x723/0xbe0 [10276.532923][ T10] ____sys_sendmsg+0x7b2/0xa10 [10276.532923][ T10] ___sys_sendmsg+0xee/0x170 [10276.532923][ T10] __sys_sendmsg+0xcd/0x170 [10276.532923][ T10] do_syscall_64+0xc6/0x1e0 [10276.532923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10276.532923][ T10] [10276.580208][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10276.581273][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10276.581273][ T10] netdev_get_by_index+0x5e/0x80 [10276.581273][ T10] fib6_nh_init+0x3d8/0x1580 [10276.581273][ T10] ip6_route_info_create+0xf18/0x17d0 [10276.581273][ T10] addrconf_f6i_alloc+0x265/0x560 [10276.581273][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10276.581273][ T10] addrconf_join_anycast+0x1c0/0x220 [10276.581273][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10276.581273][ T10] addrconf_dad_completed+0x12b/0xe20 [10276.581273][ T10] addrconf_dad_begin+0x310/0x670 [10276.581273][ T10] addrconf_dad_work+0x10b/0xab0 [10276.581273][ T10] process_one_work+0x84d/0x18a0 [10276.581273][ T10] worker_thread+0x587/0xd30 [10276.581273][ T10] kthread+0x28a/0x350 [10276.581273][ T10] ret_from_fork+0x31/0x70 [10276.581273][ T10] ret_from_fork_asm+0x1a/0x30 [10276.581273][ T10] [10276.587521][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10276.587521][ T10] netdev_get_by_index+0x5e/0x80 [10276.587521][ T10] fib6_nh_init+0x3d8/0x1580 [10276.587521][ T10] ip6_route_info_create+0xf18/0x17d0 [10276.587521][ T10] ip6_route_add+0x1c/0x140 [10276.587521][ T10] addrconf_prefix_route+0x2a6/0x430 [10276.587521][ T10] inet6_addr_add+0x4f8/0xa40 [10276.587521][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10276.587521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10276.587521][ T10] netlink_rcv_skb+0x130/0x360 [10276.587521][ T10] netlink_unicast+0x449/0x710 [10276.587521][ T10] netlink_sendmsg+0x723/0xbe0 [10276.587521][ T10] ____sys_sendmsg+0x7b2/0xa10 [10276.587521][ T10] ___sys_sendmsg+0xee/0x170 [10276.587521][ T10] __sys_sendmsg+0xcd/0x170 [10276.587521][ T10] do_syscall_64+0xc6/0x1e0 [10276.587521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10276.587521][ T10] [10276.611523][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10276.611523][ T10] netdev_get_by_index+0x5e/0x80 [10276.611523][ T10] fib6_nh_init+0x3d8/0x1580 [10276.611523][ T10] ip6_route_info_create+0xf18/0x17d0 [10276.611523][ T10] addrconf_f6i_alloc+0x315/0x560 [10276.611523][ T10] ipv6_add_addr+0x411/0x2000 [10276.611523][ T10] inet6_addr_add+0x30e/0xa40 [10276.611523][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10276.611523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10276.611523][ T10] netlink_rcv_skb+0x130/0x360 [10276.611523][ T10] netlink_unicast+0x449/0x710 [10276.611523][ T10] netlink_sendmsg+0x723/0xbe0 [10276.611523][ T10] ____sys_sendmsg+0x7b2/0xa10 [10276.611523][ T10] ___sys_sendmsg+0xee/0x170 [10276.611523][ T10] __sys_sendmsg+0xcd/0x170 [10276.611523][ T10] do_syscall_64+0xc6/0x1e0 [10276.611523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10276.611523][ T10] [10276.653218][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10276.653218][ T10] netdev_get_by_index+0x5e/0x80 [10276.653218][ T10] fib6_nh_init+0x3d8/0x1580 [10276.653218][ T10] ip6_route_info_create+0xf18/0x17d0 [10276.653218][ T10] ip6_route_add+0x1c/0x140 [10276.653218][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10276.653218][ T10] addrconf_add_dev+0xe2/0x170 [10276.653218][ T10] inet6_addr_add+0x12f/0xa40 [10276.653218][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10276.653218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10276.653218][ T10] netlink_rcv_skb+0x130/0x360 [10276.653218][ T10] netlink_unicast+0x449/0x710 [10276.653218][ T10] netlink_sendmsg+0x723/0xbe0 [10276.653218][ T10] ____sys_sendmsg+0x7b2/0xa10 [10276.653218][ T10] ___sys_sendmsg+0xee/0x170 [10276.653218][ T10] __sys_sendmsg+0xcd/0x170 [10276.653218][ T10] do_syscall_64+0xc6/0x1e0 [10276.653218][ T10] [10276.694529][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10276.694529][ T10] ipv6_add_dev+0x3ba/0x11c0 [10276.694529][ T10] ipv6_find_idev+0x102/0x170 [10276.694529][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10276.694529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10276.694529][ T10] netlink_rcv_skb+0x130/0x360 [10276.694529][ T10] netlink_unicast+0x449/0x710 [10276.694529][ T10] netlink_sendmsg+0x723/0xbe0 [10276.694529][ T10] ____sys_sendmsg+0x7b2/0xa10 [10276.694529][ T10] ___sys_sendmsg+0xee/0x170 [10276.694529][ T10] __sys_sendmsg+0xcd/0x170 [10276.694529][ T10] do_syscall_64+0xc6/0x1e0 [10276.694529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10276.694529][ T10] [10276.711364][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10276.711364][ T10] neigh_parms_alloc+0x1e5/0x510 [10276.711364][ T10] ipv6_add_dev+0x2fe/0x11c0 [10276.711364][ T10] ipv6_find_idev+0x102/0x170 [10276.711364][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10276.711364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10276.711364][ T10] netlink_rcv_skb+0x130/0x360 [10276.711364][ T10] netlink_unicast+0x449/0x710 [10276.711364][ T10] netlink_sendmsg+0x723/0xbe0 [10276.711364][ T10] ____sys_sendmsg+0x7b2/0xa10 [10276.711364][ T10] ___sys_sendmsg+0xee/0x170 [10276.711364][ T10] __sys_sendmsg+0xcd/0x170 [10276.711364][ T10] do_syscall_64+0xc6/0x1e0 [10276.711364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10276.711364][ T10] [10285.321366][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10285.340274][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10285.340274][ T1167] dst_init+0x84/0x4a0 [10285.340274][ T1167] dst_alloc+0x97/0x150 [10285.340274][ T1167] ip6_dst_alloc+0x23/0x90 [10285.340274][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10285.340274][ T1167] ip6_pol_route+0x56f/0x840 [10285.340274][ T1167] fib6_rule_lookup+0x334/0x630 [10285.340274][ T1167] ip6_route_output_flags+0x259/0x480 [10285.340274][ T1167] inet6_rtm_getroute+0x980/0xf70 [10285.340274][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10285.340274][ T1167] netlink_rcv_skb+0x130/0x360 [10285.340274][ T1167] netlink_unicast+0x449/0x710 [10285.340274][ T1167] netlink_sendmsg+0x723/0xbe0 [10285.340274][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10285.340274][ T1167] ___sys_sendmsg+0xee/0x170 [10285.340274][ T1167] __sys_sendmsg+0xcd/0x170 [10285.340274][ T1167] do_syscall_64+0xc6/0x1e0 [10285.340274][ T1167] [10285.347207][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10285.347207][ T1167] netdev_get_by_index+0x5e/0x80 [10285.347207][ T1167] fib6_nh_init+0x3d8/0x1580 [10285.347207][ T1167] ip6_route_info_create+0xf18/0x17d0 [10285.347207][ T1167] addrconf_f6i_alloc+0x265/0x560 [10285.347207][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10285.347207][ T1167] addrconf_join_anycast+0x1c0/0x220 [10285.347207][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10285.347207][ T1167] addrconf_dad_completed+0x12b/0xe20 [10285.347207][ T1167] addrconf_dad_begin+0x310/0x670 [10285.347207][ T1167] addrconf_dad_work+0x10b/0xab0 [10285.347207][ T1167] process_one_work+0x84d/0x18a0 [10285.347207][ T1167] worker_thread+0x587/0xd30 [10285.347207][ T1167] kthread+0x28a/0x350 [10285.347207][ T1167] ret_from_fork+0x31/0x70 [10285.347207][ T1167] ret_from_fork_asm+0x1a/0x30 [10285.347207][ T1167] [10285.353956][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10285.353956][ T1167] netdev_get_by_index+0x5e/0x80 [10285.353956][ T1167] fib6_nh_init+0x3d8/0x1580 [10285.353956][ T1167] ip6_route_info_create+0xf18/0x17d0 [10285.353956][ T1167] ip6_route_add+0x1c/0x140 [10285.353956][ T1167] addrconf_prefix_route+0x2a6/0x430 [10285.353956][ T1167] inet6_addr_add+0x4f8/0xa40 [10285.353956][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10285.353956][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10285.353956][ T1167] netlink_rcv_skb+0x130/0x360 [10285.353956][ T1167] netlink_unicast+0x449/0x710 [10285.353956][ T1167] netlink_sendmsg+0x723/0xbe0 [10285.353956][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10285.353956][ T1167] ___sys_sendmsg+0xee/0x170 [10285.353956][ T1167] __sys_sendmsg+0xcd/0x170 [10285.353956][ T1167] do_syscall_64+0xc6/0x1e0 [10285.353956][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10285.353956][ T1167] [10285.371764][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10285.371764][ T1167] netdev_get_by_index+0x5e/0x80 [10285.371764][ T1167] fib6_nh_init+0x3d8/0x1580 [10285.371764][ T1167] ip6_route_info_create+0xf18/0x17d0 [10285.371764][ T1167] addrconf_f6i_alloc+0x315/0x560 [10285.371764][ T1167] ipv6_add_addr+0x411/0x2000 [10285.371764][ T1167] inet6_addr_add+0x30e/0xa40 [10285.371764][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10285.371764][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10285.371764][ T1167] netlink_rcv_skb+0x130/0x360 [10285.371764][ T1167] netlink_unicast+0x449/0x710 [10285.371764][ T1167] netlink_sendmsg+0x723/0xbe0 [10285.371764][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10285.371764][ T1167] ___sys_sendmsg+0xee/0x170 [10285.371764][ T1167] __sys_sendmsg+0xcd/0x170 [10285.371764][ T1167] do_syscall_64+0xc6/0x1e0 [10285.371764][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10285.371764][ T1167] [10285.410665][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10285.410665][ T1167] netdev_get_by_index+0x5e/0x80 [10285.410665][ T1167] fib6_nh_init+0x3d8/0x1580 [10285.410665][ T1167] ip6_route_info_create+0xf18/0x17d0 [10285.410665][ T1167] ip6_route_add+0x1c/0x140 [10285.410665][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10285.410665][ T1167] addrconf_add_dev+0xe2/0x170 [10285.410665][ T1167] inet6_addr_add+0x12f/0xa40 [10285.410665][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10285.410665][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10285.410665][ T1167] netlink_rcv_skb+0x130/0x360 [10285.410665][ T1167] netlink_unicast+0x449/0x710 [10285.410665][ T1167] netlink_sendmsg+0x723/0xbe0 [10285.410665][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10285.410665][ T1167] ___sys_sendmsg+0xee/0x170 [10285.410665][ T1167] __sys_sendmsg+0xcd/0x170 [10285.410665][ T1167] do_syscall_64+0xc6/0x1e0 [10285.410665][ T1167] [10285.417248][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10285.417248][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10285.417248][ T1167] ipv6_find_idev+0x102/0x170 [10285.417248][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10285.417248][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10285.417248][ T1167] netlink_rcv_skb+0x130/0x360 [10285.417248][ T1167] netlink_unicast+0x449/0x710 [10285.417248][ T1167] netlink_sendmsg+0x723/0xbe0 [10285.417248][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10285.417248][ T1167] ___sys_sendmsg+0xee/0x170 [10285.417248][ T1167] __sys_sendmsg+0xcd/0x170 [10285.417248][ T1167] do_syscall_64+0xc6/0x1e0 [10285.417248][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10285.417248][ T1167] [10285.465449][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10285.465449][ T1167] neigh_parms_alloc+0x1e5/0x510 [10285.465449][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10285.465449][ T1167] ipv6_find_idev+0x102/0x170 [10285.465449][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10285.465449][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10285.465449][ T1167] netlink_rcv_skb+0x130/0x360 [10285.465449][ T1167] netlink_unicast+0x449/0x710 [10285.465449][ T1167] netlink_sendmsg+0x723/0xbe0 [10285.465449][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10285.465449][ T1167] ___sys_sendmsg+0xee/0x170 [10285.465449][ T1167] __sys_sendmsg+0xcd/0x170 [10285.465449][ T1167] do_syscall_64+0xc6/0x1e0 [10285.465449][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10285.465449][ T1167] [10286.873163][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10286.905529][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10286.905529][ T10] netdev_get_by_index+0x5e/0x80 [10286.905529][ T10] fib6_nh_init+0x3d8/0x1580 [10286.905529][ T10] ip6_route_info_create+0xf18/0x17d0 [10286.905529][ T10] addrconf_f6i_alloc+0x265/0x560 [10286.905529][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10286.905529][ T10] addrconf_join_anycast+0x1c0/0x220 [10286.905529][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10286.905529][ T10] addrconf_dad_completed+0x12b/0xe20 [10286.905529][ T10] addrconf_dad_begin+0x310/0x670 [10286.905529][ T10] addrconf_dad_work+0x10b/0xab0 [10286.905529][ T10] process_one_work+0x84d/0x18a0 [10286.905529][ T10] worker_thread+0x587/0xd30 [10286.905529][ T10] kthread+0x28a/0x350 [10286.905529][ T10] ret_from_fork+0x31/0x70 [10286.905529][ T10] ret_from_fork_asm+0x1a/0x30 [10286.905529][ T10] [10286.910265][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10286.910265][ T10] netdev_get_by_index+0x5e/0x80 [10286.910265][ T10] fib6_nh_init+0x3d8/0x1580 [10286.910265][ T10] ip6_route_info_create+0xf18/0x17d0 [10286.910265][ T10] ip6_route_add+0x1c/0x140 [10286.910265][ T10] addrconf_prefix_route+0x2a6/0x430 [10286.910265][ T10] inet6_addr_add+0x4f8/0xa40 [10286.910265][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10286.910265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10286.910265][ T10] netlink_rcv_skb+0x130/0x360 [10286.910265][ T10] netlink_unicast+0x449/0x710 [10286.910265][ T10] netlink_sendmsg+0x723/0xbe0 [10286.910265][ T10] ____sys_sendmsg+0x7b2/0xa10 [10286.910265][ T10] ___sys_sendmsg+0xee/0x170 [10286.910265][ T10] __sys_sendmsg+0xcd/0x170 [10286.910265][ T10] do_syscall_64+0xc6/0x1e0 [10286.910265][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10286.910265][ T10] [10286.914751][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10286.914751][ T10] netdev_get_by_index+0x5e/0x80 [10286.914751][ T10] fib6_nh_init+0x3d8/0x1580 [10286.914751][ T10] ip6_route_info_create+0xf18/0x17d0 [10286.914751][ T10] addrconf_f6i_alloc+0x315/0x560 [10286.914751][ T10] ipv6_add_addr+0x411/0x2000 [10286.914751][ T10] inet6_addr_add+0x30e/0xa40 [10286.914751][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10286.914751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10286.914751][ T10] netlink_rcv_skb+0x130/0x360 [10286.914751][ T10] netlink_unicast+0x449/0x710 [10286.914751][ T10] netlink_sendmsg+0x723/0xbe0 [10286.914751][ T10] ____sys_sendmsg+0x7b2/0xa10 [10286.914751][ T10] ___sys_sendmsg+0xee/0x170 [10286.914751][ T10] __sys_sendmsg+0xcd/0x170 [10286.914751][ T10] do_syscall_64+0xc6/0x1e0 [10286.914751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10286.914751][ T10] [10286.923839][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10286.923839][ T10] netdev_get_by_index+0x5e/0x80 [10286.923839][ T10] fib6_nh_init+0x3d8/0x1580 [10286.923839][ T10] ip6_route_info_create+0xf18/0x17d0 [10286.923839][ T10] ip6_route_add+0x1c/0x140 [10286.923839][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10286.923839][ T10] addrconf_add_dev+0xe2/0x170 [10286.923839][ T10] inet6_addr_add+0x12f/0xa40 [10286.923839][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10286.923839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10286.923839][ T10] netlink_rcv_skb+0x130/0x360 [10286.923839][ T10] netlink_unicast+0x449/0x710 [10286.923839][ T10] netlink_sendmsg+0x723/0xbe0 [10286.923839][ T10] ____sys_sendmsg+0x7b2/0xa10 [10286.923839][ T10] ___sys_sendmsg+0xee/0x170 [10286.923839][ T10] __sys_sendmsg+0xcd/0x170 [10286.923839][ T10] do_syscall_64+0xc6/0x1e0 [10286.923839][ T10] [10286.951826][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10286.951826][ T10] ipv6_add_dev+0x3ba/0x11c0 [10286.951826][ T10] ipv6_find_idev+0x102/0x170 [10286.951826][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10286.951826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10286.951826][ T10] netlink_rcv_skb+0x130/0x360 [10286.951826][ T10] netlink_unicast+0x449/0x710 [10286.951826][ T10] netlink_sendmsg+0x723/0xbe0 [10286.951826][ T10] ____sys_sendmsg+0x7b2/0xa10 [10286.951826][ T10] ___sys_sendmsg+0xee/0x170 [10286.951826][ T10] __sys_sendmsg+0xcd/0x170 [10286.951826][ T10] do_syscall_64+0xc6/0x1e0 [10286.951826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10286.951826][ T10] [10286.980443][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10286.980443][ T10] neigh_parms_alloc+0x1e5/0x510 [10286.980443][ T10] ipv6_add_dev+0x2fe/0x11c0 [10286.980443][ T10] ipv6_find_idev+0x102/0x170 [10286.980443][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10286.980443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10286.980443][ T10] netlink_rcv_skb+0x130/0x360 [10286.980443][ T10] netlink_unicast+0x449/0x710 [10286.980443][ T10] netlink_sendmsg+0x723/0xbe0 [10286.980443][ T10] ____sys_sendmsg+0x7b2/0xa10 [10286.980443][ T10] ___sys_sendmsg+0xee/0x170 [10286.980443][ T10] __sys_sendmsg+0xcd/0x170 [10286.980443][ T10] do_syscall_64+0xc6/0x1e0 [10286.980443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10286.980443][ T10] [10287.040147][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10287.040920][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10287.040920][ T10] netdev_get_by_index+0x5e/0x80 [10287.040920][ T10] fib6_nh_init+0x3d8/0x1580 [10287.040920][ T10] ip6_route_info_create+0xf18/0x17d0 [10287.040920][ T10] addrconf_f6i_alloc+0x265/0x560 [10287.040920][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10287.040920][ T10] addrconf_join_anycast+0x1c0/0x220 [10287.040920][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10287.040920][ T10] addrconf_dad_completed+0x12b/0xe20 [10287.040920][ T10] addrconf_dad_begin+0x310/0x670 [10287.040920][ T10] addrconf_dad_work+0x10b/0xab0 [10287.040920][ T10] process_one_work+0x84d/0x18a0 [10287.040920][ T10] worker_thread+0x587/0xd30 [10287.040920][ T10] kthread+0x28a/0x350 [10287.040920][ T10] ret_from_fork+0x31/0x70 [10287.040920][ T10] ret_from_fork_asm+0x1a/0x30 [10287.040920][ T10] [10287.051429][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10287.051429][ T10] netdev_get_by_index+0x5e/0x80 [10287.051429][ T10] fib6_nh_init+0x3d8/0x1580 [10287.051429][ T10] ip6_route_info_create+0xf18/0x17d0 [10287.051429][ T10] ip6_route_add+0x1c/0x140 [10287.051429][ T10] addrconf_prefix_route+0x2a6/0x430 [10287.051429][ T10] inet6_addr_add+0x4f8/0xa40 [10287.051429][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10287.051429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10287.051429][ T10] netlink_rcv_skb+0x130/0x360 [10287.051429][ T10] netlink_unicast+0x449/0x710 [10287.051429][ T10] netlink_sendmsg+0x723/0xbe0 [10287.051429][ T10] ____sys_sendmsg+0x7b2/0xa10 [10287.051429][ T10] ___sys_sendmsg+0xee/0x170 [10287.051429][ T10] __sys_sendmsg+0xcd/0x170 [10287.051429][ T10] do_syscall_64+0xc6/0x1e0 [10287.051429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10287.051429][ T10] [10287.060549][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10287.060549][ T10] netdev_get_by_index+0x5e/0x80 [10287.060549][ T10] fib6_nh_init+0x3d8/0x1580 [10287.060549][ T10] ip6_route_info_create+0xf18/0x17d0 [10287.060549][ T10] addrconf_f6i_alloc+0x315/0x560 [10287.060549][ T10] ipv6_add_addr+0x411/0x2000 [10287.060549][ T10] inet6_addr_add+0x30e/0xa40 [10287.060549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10287.060549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10287.060549][ T10] netlink_rcv_skb+0x130/0x360 [10287.060549][ T10] netlink_unicast+0x449/0x710 [10287.060549][ T10] netlink_sendmsg+0x723/0xbe0 [10287.060549][ T10] ____sys_sendmsg+0x7b2/0xa10 [10287.060549][ T10] ___sys_sendmsg+0xee/0x170 [10287.060549][ T10] __sys_sendmsg+0xcd/0x170 [10287.060549][ T10] do_syscall_64+0xc6/0x1e0 [10287.060549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10287.060549][ T10] [10287.111689][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10287.111689][ T10] netdev_get_by_index+0x5e/0x80 [10287.111689][ T10] fib6_nh_init+0x3d8/0x1580 [10287.111689][ T10] ip6_route_info_create+0xf18/0x17d0 [10287.111689][ T10] ip6_route_add+0x1c/0x140 [10287.111689][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10287.111689][ T10] addrconf_add_dev+0xe2/0x170 [10287.111689][ T10] inet6_addr_add+0x12f/0xa40 [10287.111689][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10287.111689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10287.111689][ T10] netlink_rcv_skb+0x130/0x360 [10287.111689][ T10] netlink_unicast+0x449/0x710 [10287.111689][ T10] netlink_sendmsg+0x723/0xbe0 [10287.111689][ T10] ____sys_sendmsg+0x7b2/0xa10 [10287.111689][ T10] ___sys_sendmsg+0xee/0x170 [10287.111689][ T10] __sys_sendmsg+0xcd/0x170 [10287.111689][ T10] do_syscall_64+0xc6/0x1e0 [10287.111689][ T10] [10287.142401][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10287.142401][ T10] ipv6_add_dev+0x3ba/0x11c0 [10287.142401][ T10] ipv6_find_idev+0x102/0x170 [10287.142401][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10287.142401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10287.142401][ T10] netlink_rcv_skb+0x130/0x360 [10287.142401][ T10] netlink_unicast+0x449/0x710 [10287.142401][ T10] netlink_sendmsg+0x723/0xbe0 [10287.142401][ T10] ____sys_sendmsg+0x7b2/0xa10 [10287.142401][ T10] ___sys_sendmsg+0xee/0x170 [10287.142401][ T10] __sys_sendmsg+0xcd/0x170 [10287.142401][ T10] do_syscall_64+0xc6/0x1e0 [10287.142401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10287.142401][ T10] [10287.145872][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10287.145872][ T10] neigh_parms_alloc+0x1e5/0x510 [10287.145872][ T10] ipv6_add_dev+0x2fe/0x11c0 [10287.145872][ T10] ipv6_find_idev+0x102/0x170 [10287.145872][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10287.145872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10287.145872][ T10] netlink_rcv_skb+0x130/0x360 [10287.145872][ T10] netlink_unicast+0x449/0x710 [10287.145872][ T10] netlink_sendmsg+0x723/0xbe0 [10287.145872][ T10] ____sys_sendmsg+0x7b2/0xa10 [10287.145872][ T10] ___sys_sendmsg+0xee/0x170 [10287.145872][ T10] __sys_sendmsg+0xcd/0x170 [10287.145872][ T10] do_syscall_64+0xc6/0x1e0 [10287.145872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10287.145872][ T10] [10287.230153][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10287.230881][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10287.230881][ T10] netdev_get_by_index+0x5e/0x80 [10287.230881][ T10] fib6_nh_init+0x3d8/0x1580 [10287.230881][ T10] ip6_route_info_create+0xf18/0x17d0 [10287.230881][ T10] addrconf_f6i_alloc+0x265/0x560 [10287.230881][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10287.230881][ T10] addrconf_join_anycast+0x1c0/0x220 [10287.230881][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10287.230881][ T10] addrconf_dad_completed+0x12b/0xe20 [10287.230881][ T10] addrconf_dad_begin+0x310/0x670 [10287.230881][ T10] addrconf_dad_work+0x10b/0xab0 [10287.230881][ T10] process_one_work+0x84d/0x18a0 [10287.230881][ T10] worker_thread+0x587/0xd30 [10287.230881][ T10] kthread+0x28a/0x350 [10287.230881][ T10] ret_from_fork+0x31/0x70 [10287.230881][ T10] ret_from_fork_asm+0x1a/0x30 [10287.230881][ T10] [10287.235389][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10287.235389][ T10] netdev_get_by_index+0x5e/0x80 [10287.235389][ T10] fib6_nh_init+0x3d8/0x1580 [10287.235389][ T10] ip6_route_info_create+0xf18/0x17d0 [10287.235389][ T10] ip6_route_add+0x1c/0x140 [10287.235389][ T10] addrconf_prefix_route+0x2a6/0x430 [10287.235389][ T10] inet6_addr_add+0x4f8/0xa40 [10287.235389][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10287.235389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10287.235389][ T10] netlink_rcv_skb+0x130/0x360 [10287.235389][ T10] netlink_unicast+0x449/0x710 [10287.235389][ T10] netlink_sendmsg+0x723/0xbe0 [10287.235389][ T10] ____sys_sendmsg+0x7b2/0xa10 [10287.235389][ T10] ___sys_sendmsg+0xee/0x170 [10287.235389][ T10] __sys_sendmsg+0xcd/0x170 [10287.235389][ T10] do_syscall_64+0xc6/0x1e0 [10287.235389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10287.235389][ T10] [10287.251323][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10287.251323][ T10] netdev_get_by_index+0x5e/0x80 [10287.251323][ T10] fib6_nh_init+0x3d8/0x1580 [10287.251323][ T10] ip6_route_info_create+0xf18/0x17d0 [10287.251323][ T10] addrconf_f6i_alloc+0x315/0x560 [10287.251323][ T10] ipv6_add_addr+0x411/0x2000 [10287.251323][ T10] inet6_addr_add+0x30e/0xa40 [10287.251323][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10287.251323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10287.251323][ T10] netlink_rcv_skb+0x130/0x360 [10287.251323][ T10] netlink_unicast+0x449/0x710 [10287.251323][ T10] netlink_sendmsg+0x723/0xbe0 [10287.251323][ T10] ____sys_sendmsg+0x7b2/0xa10 [10287.251323][ T10] ___sys_sendmsg+0xee/0x170 [10287.251323][ T10] __sys_sendmsg+0xcd/0x170 [10287.251323][ T10] do_syscall_64+0xc6/0x1e0 [10287.251323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10287.251323][ T10] [10287.260457][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10287.260457][ T10] netdev_get_by_index+0x5e/0x80 [10287.260457][ T10] fib6_nh_init+0x3d8/0x1580 [10287.260457][ T10] ip6_route_info_create+0xf18/0x17d0 [10287.260457][ T10] ip6_route_add+0x1c/0x140 [10287.260457][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10287.260457][ T10] addrconf_add_dev+0xe2/0x170 [10287.260457][ T10] inet6_addr_add+0x12f/0xa40 [10287.260457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10287.260457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10287.260457][ T10] netlink_rcv_skb+0x130/0x360 [10287.260457][ T10] netlink_unicast+0x449/0x710 [10287.260457][ T10] netlink_sendmsg+0x723/0xbe0 [10287.260457][ T10] ____sys_sendmsg+0x7b2/0xa10 [10287.260457][ T10] ___sys_sendmsg+0xee/0x170 [10287.260457][ T10] __sys_sendmsg+0xcd/0x170 [10287.260457][ T10] do_syscall_64+0xc6/0x1e0 [10287.260457][ T10] [10287.320640][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10287.320640][ T10] ipv6_add_dev+0x3ba/0x11c0 [10287.320640][ T10] ipv6_find_idev+0x102/0x170 [10287.320640][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10287.320640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10287.320640][ T10] netlink_rcv_skb+0x130/0x360 [10287.320640][ T10] netlink_unicast+0x449/0x710 [10287.320640][ T10] netlink_sendmsg+0x723/0xbe0 [10287.320640][ T10] ____sys_sendmsg+0x7b2/0xa10 [10287.320640][ T10] ___sys_sendmsg+0xee/0x170 [10287.320640][ T10] __sys_sendmsg+0xcd/0x170 [10287.320640][ T10] do_syscall_64+0xc6/0x1e0 [10287.320640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10287.320640][ T10] [10287.324414][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10287.324414][ T10] neigh_parms_alloc+0x1e5/0x510 [10287.324414][ T10] ipv6_add_dev+0x2fe/0x11c0 [10287.324414][ T10] ipv6_find_idev+0x102/0x170 [10287.324414][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10287.324414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10287.324414][ T10] netlink_rcv_skb+0x130/0x360 [10287.324414][ T10] netlink_unicast+0x449/0x710 [10287.324414][ T10] netlink_sendmsg+0x723/0xbe0 [10287.324414][ T10] ____sys_sendmsg+0x7b2/0xa10 [10287.324414][ T10] ___sys_sendmsg+0xee/0x170 [10287.324414][ T10] __sys_sendmsg+0xcd/0x170 [10287.324414][ T10] do_syscall_64+0xc6/0x1e0 [10287.324414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10287.324414][ T10] [10287.354889][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10287.355595][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10287.355595][ T10] netdev_get_by_index+0x5e/0x80 [10287.355595][ T10] fib6_nh_init+0x3d8/0x1580 [10287.355595][ T10] ip6_route_info_create+0xf18/0x17d0 [10287.355595][ T10] addrconf_f6i_alloc+0x265/0x560 [10287.355595][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10287.355595][ T10] addrconf_join_anycast+0x1c0/0x220 [10287.355595][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10287.355595][ T10] addrconf_dad_completed+0x12b/0xe20 [10287.355595][ T10] addrconf_dad_begin+0x310/0x670 [10287.355595][ T10] addrconf_dad_work+0x10b/0xab0 [10287.355595][ T10] process_one_work+0x84d/0x18a0 [10287.355595][ T10] worker_thread+0x587/0xd30 [10287.355595][ T10] kthread+0x28a/0x350 [10287.355595][ T10] ret_from_fork+0x31/0x70 [10287.355595][ T10] ret_from_fork_asm+0x1a/0x30 [10287.355595][ T10] [10287.413087][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10287.413087][ T10] netdev_get_by_index+0x5e/0x80 [10287.413087][ T10] fib6_nh_init+0x3d8/0x1580 [10287.413087][ T10] ip6_route_info_create+0xf18/0x17d0 [10287.413087][ T10] ip6_route_add+0x1c/0x140 [10287.413087][ T10] addrconf_prefix_route+0x2a6/0x430 [10287.413087][ T10] inet6_addr_add+0x4f8/0xa40 [10287.413087][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10287.413087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10287.413087][ T10] netlink_rcv_skb+0x130/0x360 [10287.413087][ T10] netlink_unicast+0x449/0x710 [10287.413087][ T10] netlink_sendmsg+0x723/0xbe0 [10287.413087][ T10] ____sys_sendmsg+0x7b2/0xa10 [10287.413087][ T10] ___sys_sendmsg+0xee/0x170 [10287.413087][ T10] __sys_sendmsg+0xcd/0x170 [10287.413087][ T10] do_syscall_64+0xc6/0x1e0 [10287.413087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10287.413087][ T10] [10287.424292][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10287.424292][ T10] netdev_get_by_index+0x5e/0x80 [10287.424292][ T10] fib6_nh_init+0x3d8/0x1580 [10287.424292][ T10] ip6_route_info_create+0xf18/0x17d0 [10287.424292][ T10] addrconf_f6i_alloc+0x315/0x560 [10287.424292][ T10] ipv6_add_addr+0x411/0x2000 [10287.424292][ T10] inet6_addr_add+0x30e/0xa40 [10287.424292][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10287.424292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10287.424292][ T10] netlink_rcv_skb+0x130/0x360 [10287.424292][ T10] netlink_unicast+0x449/0x710 [10287.424292][ T10] netlink_sendmsg+0x723/0xbe0 [10287.424292][ T10] ____sys_sendmsg+0x7b2/0xa10 [10287.424292][ T10] ___sys_sendmsg+0xee/0x170 [10287.424292][ T10] __sys_sendmsg+0xcd/0x170 [10287.424292][ T10] do_syscall_64+0xc6/0x1e0 [10287.424292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10287.424292][ T10] [10287.460501][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10287.460501][ T10] netdev_get_by_index+0x5e/0x80 [10287.460501][ T10] fib6_nh_init+0x3d8/0x1580 [10287.460501][ T10] ip6_route_info_create+0xf18/0x17d0 [10287.460501][ T10] ip6_route_add+0x1c/0x140 [10287.460501][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10287.460501][ T10] addrconf_add_dev+0xe2/0x170 [10287.460501][ T10] inet6_addr_add+0x12f/0xa40 [10287.460501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10287.460501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10287.460501][ T10] netlink_rcv_skb+0x130/0x360 [10287.460501][ T10] netlink_unicast+0x449/0x710 [10287.460501][ T10] netlink_sendmsg+0x723/0xbe0 [10287.460501][ T10] ____sys_sendmsg+0x7b2/0xa10 [10287.460501][ T10] ___sys_sendmsg+0xee/0x170 [10287.460501][ T10] __sys_sendmsg+0xcd/0x170 [10287.460501][ T10] do_syscall_64+0xc6/0x1e0 [10287.460501][ T10] [10287.514596][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10287.514596][ T10] ipv6_add_dev+0x3ba/0x11c0 [10287.514596][ T10] ipv6_find_idev+0x102/0x170 [10287.514596][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10287.514596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10287.514596][ T10] netlink_rcv_skb+0x130/0x360 [10287.514596][ T10] netlink_unicast+0x449/0x710 [10287.514596][ T10] netlink_sendmsg+0x723/0xbe0 [10287.514596][ T10] ____sys_sendmsg+0x7b2/0xa10 [10287.514596][ T10] ___sys_sendmsg+0xee/0x170 [10287.514596][ T10] __sys_sendmsg+0xcd/0x170 [10287.514596][ T10] do_syscall_64+0xc6/0x1e0 [10287.514596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10287.514596][ T10] [10287.518036][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10287.518036][ T10] neigh_parms_alloc+0x1e5/0x510 [10287.518036][ T10] ipv6_add_dev+0x2fe/0x11c0 [10287.518036][ T10] ipv6_find_idev+0x102/0x170 [10287.518036][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10287.518036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10287.518036][ T10] netlink_rcv_skb+0x130/0x360 [10287.518036][ T10] netlink_unicast+0x449/0x710 [10287.518036][ T10] netlink_sendmsg+0x723/0xbe0 [10287.518036][ T10] ____sys_sendmsg+0x7b2/0xa10 [10287.518036][ T10] ___sys_sendmsg+0xee/0x170 [10287.518036][ T10] __sys_sendmsg+0xcd/0x170 [10287.518036][ T10] do_syscall_64+0xc6/0x1e0 [10287.518036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10287.518036][ T10] [10295.585247][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10295.600287][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10295.600287][ T1167] dst_init+0x84/0x4a0 [10295.600287][ T1167] dst_alloc+0x97/0x150 [10295.600287][ T1167] ip6_dst_alloc+0x23/0x90 [10295.600287][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10295.600287][ T1167] ip6_pol_route+0x56f/0x840 [10295.600287][ T1167] fib6_rule_lookup+0x334/0x630 [10295.600287][ T1167] ip6_route_output_flags+0x259/0x480 [10295.600287][ T1167] inet6_rtm_getroute+0x980/0xf70 [10295.600287][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10295.600287][ T1167] netlink_rcv_skb+0x130/0x360 [10295.600287][ T1167] netlink_unicast+0x449/0x710 [10295.600287][ T1167] netlink_sendmsg+0x723/0xbe0 [10295.600287][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10295.600287][ T1167] ___sys_sendmsg+0xee/0x170 [10295.600287][ T1167] __sys_sendmsg+0xcd/0x170 [10295.600287][ T1167] do_syscall_64+0xc6/0x1e0 [10295.600287][ T1167] [10295.607070][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10295.607070][ T1167] netdev_get_by_index+0x5e/0x80 [10295.607070][ T1167] fib6_nh_init+0x3d8/0x1580 [10295.607070][ T1167] ip6_route_info_create+0xf18/0x17d0 [10295.607070][ T1167] addrconf_f6i_alloc+0x265/0x560 [10295.607070][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10295.607070][ T1167] addrconf_join_anycast+0x1c0/0x220 [10295.607070][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10295.607070][ T1167] addrconf_dad_completed+0x12b/0xe20 [10295.607070][ T1167] addrconf_dad_begin+0x310/0x670 [10295.607070][ T1167] addrconf_dad_work+0x10b/0xab0 [10295.607070][ T1167] process_one_work+0x84d/0x18a0 [10295.607070][ T1167] worker_thread+0x587/0xd30 [10295.607070][ T1167] kthread+0x28a/0x350 [10295.607070][ T1167] ret_from_fork+0x31/0x70 [10295.607070][ T1167] ret_from_fork_asm+0x1a/0x30 [10295.607070][ T1167] [10295.613511][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10295.613511][ T1167] netdev_get_by_index+0x5e/0x80 [10295.613511][ T1167] fib6_nh_init+0x3d8/0x1580 [10295.613511][ T1167] ip6_route_info_create+0xf18/0x17d0 [10295.613511][ T1167] ip6_route_add+0x1c/0x140 [10295.613511][ T1167] addrconf_prefix_route+0x2a6/0x430 [10295.613511][ T1167] inet6_addr_add+0x4f8/0xa40 [10295.613511][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10295.613511][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10295.613511][ T1167] netlink_rcv_skb+0x130/0x360 [10295.613511][ T1167] netlink_unicast+0x449/0x710 [10295.613511][ T1167] netlink_sendmsg+0x723/0xbe0 [10295.613511][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10295.613511][ T1167] ___sys_sendmsg+0xee/0x170 [10295.613511][ T1167] __sys_sendmsg+0xcd/0x170 [10295.613511][ T1167] do_syscall_64+0xc6/0x1e0 [10295.613511][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10295.613511][ T1167] [10295.625853][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10295.625853][ T1167] netdev_get_by_index+0x5e/0x80 [10295.625853][ T1167] fib6_nh_init+0x3d8/0x1580 [10295.625853][ T1167] ip6_route_info_create+0xf18/0x17d0 [10295.625853][ T1167] addrconf_f6i_alloc+0x315/0x560 [10295.625853][ T1167] ipv6_add_addr+0x411/0x2000 [10295.625853][ T1167] inet6_addr_add+0x30e/0xa40 [10295.625853][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10295.625853][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10295.625853][ T1167] netlink_rcv_skb+0x130/0x360 [10295.625853][ T1167] netlink_unicast+0x449/0x710 [10295.625853][ T1167] netlink_sendmsg+0x723/0xbe0 [10295.625853][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10295.625853][ T1167] ___sys_sendmsg+0xee/0x170 [10295.625853][ T1167] __sys_sendmsg+0xcd/0x170 [10295.625853][ T1167] do_syscall_64+0xc6/0x1e0 [10295.625853][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10295.625853][ T1167] [10295.680792][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10295.680792][ T1167] netdev_get_by_index+0x5e/0x80 [10295.680792][ T1167] fib6_nh_init+0x3d8/0x1580 [10295.680792][ T1167] ip6_route_info_create+0xf18/0x17d0 [10295.680792][ T1167] ip6_route_add+0x1c/0x140 [10295.680792][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10295.680792][ T1167] addrconf_add_dev+0xe2/0x170 [10295.680792][ T1167] inet6_addr_add+0x12f/0xa40 [10295.680792][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10295.680792][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10295.680792][ T1167] netlink_rcv_skb+0x130/0x360 [10295.680792][ T1167] netlink_unicast+0x449/0x710 [10295.680792][ T1167] netlink_sendmsg+0x723/0xbe0 [10295.680792][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10295.680792][ T1167] ___sys_sendmsg+0xee/0x170 [10295.680792][ T1167] __sys_sendmsg+0xcd/0x170 [10295.680792][ T1167] do_syscall_64+0xc6/0x1e0 [10295.680792][ T1167] [10295.687395][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10295.687395][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10295.687395][ T1167] ipv6_find_idev+0x102/0x170 [10295.687395][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10295.687395][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10295.687395][ T1167] netlink_rcv_skb+0x130/0x360 [10295.687395][ T1167] netlink_unicast+0x449/0x710 [10295.687395][ T1167] netlink_sendmsg+0x723/0xbe0 [10295.687395][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10295.687395][ T1167] ___sys_sendmsg+0xee/0x170 [10295.687395][ T1167] __sys_sendmsg+0xcd/0x170 [10295.687395][ T1167] do_syscall_64+0xc6/0x1e0 [10295.687395][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10295.687395][ T1167] [10295.743246][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10295.743246][ T1167] neigh_parms_alloc+0x1e5/0x510 [10295.743246][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10295.743246][ T1167] ipv6_find_idev+0x102/0x170 [10295.743246][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10295.743246][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10295.743246][ T1167] netlink_rcv_skb+0x130/0x360 [10295.743246][ T1167] netlink_unicast+0x449/0x710 [10295.743246][ T1167] netlink_sendmsg+0x723/0xbe0 [10295.743246][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10295.743246][ T1167] ___sys_sendmsg+0xee/0x170 [10295.743246][ T1167] __sys_sendmsg+0xcd/0x170 [10295.743246][ T1167] do_syscall_64+0xc6/0x1e0 [10295.743246][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10295.743246][ T1167] [10297.641161][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10297.660757][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10297.660757][ T10] netdev_get_by_index+0x5e/0x80 [10297.660757][ T10] fib6_nh_init+0x3d8/0x1580 [10297.660757][ T10] ip6_route_info_create+0xf18/0x17d0 [10297.660757][ T10] addrconf_f6i_alloc+0x265/0x560 [10297.660757][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10297.660757][ T10] addrconf_join_anycast+0x1c0/0x220 [10297.660757][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10297.660757][ T10] addrconf_dad_completed+0x12b/0xe20 [10297.660757][ T10] addrconf_dad_begin+0x310/0x670 [10297.660757][ T10] addrconf_dad_work+0x10b/0xab0 [10297.660757][ T10] process_one_work+0x84d/0x18a0 [10297.660757][ T10] worker_thread+0x587/0xd30 [10297.660757][ T10] kthread+0x28a/0x350 [10297.660757][ T10] ret_from_fork+0x31/0x70 [10297.660757][ T10] ret_from_fork_asm+0x1a/0x30 [10297.660757][ T10] [10297.670574][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10297.670574][ T10] netdev_get_by_index+0x5e/0x80 [10297.670574][ T10] fib6_nh_init+0x3d8/0x1580 [10297.670574][ T10] ip6_route_info_create+0xf18/0x17d0 [10297.670574][ T10] ip6_route_add+0x1c/0x140 [10297.670574][ T10] addrconf_prefix_route+0x2a6/0x430 [10297.670574][ T10] inet6_addr_add+0x4f8/0xa40 [10297.670574][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10297.670574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10297.670574][ T10] netlink_rcv_skb+0x130/0x360 [10297.670574][ T10] netlink_unicast+0x449/0x710 [10297.670574][ T10] netlink_sendmsg+0x723/0xbe0 [10297.670574][ T10] ____sys_sendmsg+0x7b2/0xa10 [10297.670574][ T10] ___sys_sendmsg+0xee/0x170 [10297.670574][ T10] __sys_sendmsg+0xcd/0x170 [10297.670574][ T10] do_syscall_64+0xc6/0x1e0 [10297.670574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10297.670574][ T10] [10297.682632][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10297.682632][ T10] netdev_get_by_index+0x5e/0x80 [10297.682632][ T10] fib6_nh_init+0x3d8/0x1580 [10297.682632][ T10] ip6_route_info_create+0xf18/0x17d0 [10297.682632][ T10] addrconf_f6i_alloc+0x315/0x560 [10297.682632][ T10] ipv6_add_addr+0x411/0x2000 [10297.682632][ T10] inet6_addr_add+0x30e/0xa40 [10297.682632][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10297.682632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10297.682632][ T10] netlink_rcv_skb+0x130/0x360 [10297.682632][ T10] netlink_unicast+0x449/0x710 [10297.682632][ T10] netlink_sendmsg+0x723/0xbe0 [10297.682632][ T10] ____sys_sendmsg+0x7b2/0xa10 [10297.682632][ T10] ___sys_sendmsg+0xee/0x170 [10297.682632][ T10] __sys_sendmsg+0xcd/0x170 [10297.682632][ T10] do_syscall_64+0xc6/0x1e0 [10297.682632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10297.682632][ T10] [10297.712033][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10297.712033][ T10] netdev_get_by_index+0x5e/0x80 [10297.712033][ T10] fib6_nh_init+0x3d8/0x1580 [10297.712033][ T10] ip6_route_info_create+0xf18/0x17d0 [10297.712033][ T10] ip6_route_add+0x1c/0x140 [10297.712033][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10297.712033][ T10] addrconf_add_dev+0xe2/0x170 [10297.712033][ T10] inet6_addr_add+0x12f/0xa40 [10297.712033][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10297.712033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10297.712033][ T10] netlink_rcv_skb+0x130/0x360 [10297.712033][ T10] netlink_unicast+0x449/0x710 [10297.712033][ T10] netlink_sendmsg+0x723/0xbe0 [10297.712033][ T10] ____sys_sendmsg+0x7b2/0xa10 [10297.712033][ T10] ___sys_sendmsg+0xee/0x170 [10297.712033][ T10] __sys_sendmsg+0xcd/0x170 [10297.712033][ T10] do_syscall_64+0xc6/0x1e0 [10297.712033][ T10] [10297.719205][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10297.719205][ T10] ipv6_add_dev+0x3ba/0x11c0 [10297.719205][ T10] ipv6_find_idev+0x102/0x170 [10297.719205][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10297.719205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10297.719205][ T10] netlink_rcv_skb+0x130/0x360 [10297.719205][ T10] netlink_unicast+0x449/0x710 [10297.719205][ T10] netlink_sendmsg+0x723/0xbe0 [10297.719205][ T10] ____sys_sendmsg+0x7b2/0xa10 [10297.719205][ T10] ___sys_sendmsg+0xee/0x170 [10297.719205][ T10] __sys_sendmsg+0xcd/0x170 [10297.719205][ T10] do_syscall_64+0xc6/0x1e0 [10297.719205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10297.719205][ T10] [10297.722776][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10297.722776][ T10] neigh_parms_alloc+0x1e5/0x510 [10297.722776][ T10] ipv6_add_dev+0x2fe/0x11c0 [10297.722776][ T10] ipv6_find_idev+0x102/0x170 [10297.722776][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10297.722776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10297.722776][ T10] netlink_rcv_skb+0x130/0x360 [10297.722776][ T10] netlink_unicast+0x449/0x710 [10297.722776][ T10] netlink_sendmsg+0x723/0xbe0 [10297.722776][ T10] ____sys_sendmsg+0x7b2/0xa10 [10297.722776][ T10] ___sys_sendmsg+0xee/0x170 [10297.722776][ T10] __sys_sendmsg+0xcd/0x170 [10297.722776][ T10] do_syscall_64+0xc6/0x1e0 [10297.722776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10297.722776][ T10] [10297.800078][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10297.800815][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10297.800815][ T10] netdev_get_by_index+0x5e/0x80 [10297.800815][ T10] fib6_nh_init+0x3d8/0x1580 [10297.800815][ T10] ip6_route_info_create+0xf18/0x17d0 [10297.800815][ T10] addrconf_f6i_alloc+0x265/0x560 [10297.800815][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10297.800815][ T10] addrconf_join_anycast+0x1c0/0x220 [10297.800815][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10297.800815][ T10] addrconf_dad_completed+0x12b/0xe20 [10297.800815][ T10] addrconf_dad_begin+0x310/0x670 [10297.800815][ T10] addrconf_dad_work+0x10b/0xab0 [10297.800815][ T10] process_one_work+0x84d/0x18a0 [10297.800815][ T10] worker_thread+0x587/0xd30 [10297.800815][ T10] kthread+0x28a/0x350 [10297.800815][ T10] ret_from_fork+0x31/0x70 [10297.800815][ T10] ret_from_fork_asm+0x1a/0x30 [10297.800815][ T10] [10297.805175][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10297.805175][ T10] netdev_get_by_index+0x5e/0x80 [10297.805175][ T10] fib6_nh_init+0x3d8/0x1580 [10297.805175][ T10] ip6_route_info_create+0xf18/0x17d0 [10297.805175][ T10] ip6_route_add+0x1c/0x140 [10297.805175][ T10] addrconf_prefix_route+0x2a6/0x430 [10297.805175][ T10] inet6_addr_add+0x4f8/0xa40 [10297.805175][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10297.805175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10297.805175][ T10] netlink_rcv_skb+0x130/0x360 [10297.805175][ T10] netlink_unicast+0x449/0x710 [10297.805175][ T10] netlink_sendmsg+0x723/0xbe0 [10297.805175][ T10] ____sys_sendmsg+0x7b2/0xa10 [10297.805175][ T10] ___sys_sendmsg+0xee/0x170 [10297.805175][ T10] __sys_sendmsg+0xcd/0x170 [10297.805175][ T10] do_syscall_64+0xc6/0x1e0 [10297.805175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10297.805175][ T10] [10297.809986][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10297.809986][ T10] netdev_get_by_index+0x5e/0x80 [10297.809986][ T10] fib6_nh_init+0x3d8/0x1580 [10297.809986][ T10] ip6_route_info_create+0xf18/0x17d0 [10297.809986][ T10] addrconf_f6i_alloc+0x315/0x560 [10297.809986][ T10] ipv6_add_addr+0x411/0x2000 [10297.809986][ T10] inet6_addr_add+0x30e/0xa40 [10297.809986][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10297.809986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10297.809986][ T10] netlink_rcv_skb+0x130/0x360 [10297.809986][ T10] netlink_unicast+0x449/0x710 [10297.809986][ T10] netlink_sendmsg+0x723/0xbe0 [10297.809986][ T10] ____sys_sendmsg+0x7b2/0xa10 [10297.809986][ T10] ___sys_sendmsg+0xee/0x170 [10297.809986][ T10] __sys_sendmsg+0xcd/0x170 [10297.809986][ T10] do_syscall_64+0xc6/0x1e0 [10297.809986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10297.809986][ T10] [10297.830685][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10297.830685][ T10] netdev_get_by_index+0x5e/0x80 [10297.830685][ T10] fib6_nh_init+0x3d8/0x1580 [10297.830685][ T10] ip6_route_info_create+0xf18/0x17d0 [10297.830685][ T10] ip6_route_add+0x1c/0x140 [10297.830685][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10297.830685][ T10] addrconf_add_dev+0xe2/0x170 [10297.830685][ T10] inet6_addr_add+0x12f/0xa40 [10297.830685][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10297.830685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10297.830685][ T10] netlink_rcv_skb+0x130/0x360 [10297.830685][ T10] netlink_unicast+0x449/0x710 [10297.830685][ T10] netlink_sendmsg+0x723/0xbe0 [10297.830685][ T10] ____sys_sendmsg+0x7b2/0xa10 [10297.830685][ T10] ___sys_sendmsg+0xee/0x170 [10297.830685][ T10] __sys_sendmsg+0xcd/0x170 [10297.830685][ T10] do_syscall_64+0xc6/0x1e0 [10297.830685][ T10] [10297.890276][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10297.890276][ T10] ipv6_add_dev+0x3ba/0x11c0 [10297.890276][ T10] ipv6_find_idev+0x102/0x170 [10297.890276][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10297.890276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10297.890276][ T10] netlink_rcv_skb+0x130/0x360 [10297.890276][ T10] netlink_unicast+0x449/0x710 [10297.890276][ T10] netlink_sendmsg+0x723/0xbe0 [10297.890276][ T10] ____sys_sendmsg+0x7b2/0xa10 [10297.890276][ T10] ___sys_sendmsg+0xee/0x170 [10297.890276][ T10] __sys_sendmsg+0xcd/0x170 [10297.890276][ T10] do_syscall_64+0xc6/0x1e0 [10297.890276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10297.890276][ T10] [10297.903512][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10297.903512][ T10] neigh_parms_alloc+0x1e5/0x510 [10297.903512][ T10] ipv6_add_dev+0x2fe/0x11c0 [10297.903512][ T10] ipv6_find_idev+0x102/0x170 [10297.903512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10297.903512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10297.903512][ T10] netlink_rcv_skb+0x130/0x360 [10297.903512][ T10] netlink_unicast+0x449/0x710 [10297.903512][ T10] netlink_sendmsg+0x723/0xbe0 [10297.903512][ T10] ____sys_sendmsg+0x7b2/0xa10 [10297.903512][ T10] ___sys_sendmsg+0xee/0x170 [10297.903512][ T10] __sys_sendmsg+0xcd/0x170 [10297.903512][ T10] do_syscall_64+0xc6/0x1e0 [10297.903512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10297.903512][ T10] [10297.920221][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10297.930945][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10297.930945][ T10] netdev_get_by_index+0x5e/0x80 [10297.930945][ T10] fib6_nh_init+0x3d8/0x1580 [10297.930945][ T10] ip6_route_info_create+0xf18/0x17d0 [10297.930945][ T10] addrconf_f6i_alloc+0x265/0x560 [10297.930945][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10297.930945][ T10] addrconf_join_anycast+0x1c0/0x220 [10297.930945][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10297.930945][ T10] addrconf_dad_completed+0x12b/0xe20 [10297.930945][ T10] addrconf_dad_begin+0x310/0x670 [10297.930945][ T10] addrconf_dad_work+0x10b/0xab0 [10297.930945][ T10] process_one_work+0x84d/0x18a0 [10297.930945][ T10] worker_thread+0x587/0xd30 [10297.930945][ T10] kthread+0x28a/0x350 [10297.930945][ T10] ret_from_fork+0x31/0x70 [10297.930945][ T10] ret_from_fork_asm+0x1a/0x30 [10297.930945][ T10] [10297.942546][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10297.942546][ T10] netdev_get_by_index+0x5e/0x80 [10297.942546][ T10] fib6_nh_init+0x3d8/0x1580 [10297.942546][ T10] ip6_route_info_create+0xf18/0x17d0 [10297.942546][ T10] ip6_route_add+0x1c/0x140 [10297.942546][ T10] addrconf_prefix_route+0x2a6/0x430 [10297.942546][ T10] inet6_addr_add+0x4f8/0xa40 [10297.942546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10297.942546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10297.942546][ T10] netlink_rcv_skb+0x130/0x360 [10297.942546][ T10] netlink_unicast+0x449/0x710 [10297.942546][ T10] netlink_sendmsg+0x723/0xbe0 [10297.942546][ T10] ____sys_sendmsg+0x7b2/0xa10 [10297.942546][ T10] ___sys_sendmsg+0xee/0x170 [10297.942546][ T10] __sys_sendmsg+0xcd/0x170 [10297.942546][ T10] do_syscall_64+0xc6/0x1e0 [10297.942546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10297.942546][ T10] [10297.960496][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10297.960496][ T10] netdev_get_by_index+0x5e/0x80 [10297.960496][ T10] fib6_nh_init+0x3d8/0x1580 [10297.960496][ T10] ip6_route_info_create+0xf18/0x17d0 [10297.960496][ T10] addrconf_f6i_alloc+0x315/0x560 [10297.960496][ T10] ipv6_add_addr+0x411/0x2000 [10297.960496][ T10] inet6_addr_add+0x30e/0xa40 [10297.960496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10297.960496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10297.960496][ T10] netlink_rcv_skb+0x130/0x360 [10297.960496][ T10] netlink_unicast+0x449/0x710 [10297.960496][ T10] netlink_sendmsg+0x723/0xbe0 [10297.960496][ T10] ____sys_sendmsg+0x7b2/0xa10 [10297.960496][ T10] ___sys_sendmsg+0xee/0x170 [10297.960496][ T10] __sys_sendmsg+0xcd/0x170 [10297.960496][ T10] do_syscall_64+0xc6/0x1e0 [10297.960496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10297.960496][ T10] [10298.023251][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10298.023251][ T10] netdev_get_by_index+0x5e/0x80 [10298.023251][ T10] fib6_nh_init+0x3d8/0x1580 [10298.023251][ T10] ip6_route_info_create+0xf18/0x17d0 [10298.023251][ T10] ip6_route_add+0x1c/0x140 [10298.023251][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10298.023251][ T10] addrconf_add_dev+0xe2/0x170 [10298.023251][ T10] inet6_addr_add+0x12f/0xa40 [10298.023251][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10298.023251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10298.023251][ T10] netlink_rcv_skb+0x130/0x360 [10298.023251][ T10] netlink_unicast+0x449/0x710 [10298.023251][ T10] netlink_sendmsg+0x723/0xbe0 [10298.023251][ T10] ____sys_sendmsg+0x7b2/0xa10 [10298.023251][ T10] ___sys_sendmsg+0xee/0x170 [10298.023251][ T10] __sys_sendmsg+0xcd/0x170 [10298.023251][ T10] do_syscall_64+0xc6/0x1e0 [10298.023251][ T10] [10298.041096][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10298.041096][ T10] ipv6_add_dev+0x3ba/0x11c0 [10298.041096][ T10] ipv6_find_idev+0x102/0x170 [10298.041096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10298.041096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10298.041096][ T10] netlink_rcv_skb+0x130/0x360 [10298.041096][ T10] netlink_unicast+0x449/0x710 [10298.041096][ T10] netlink_sendmsg+0x723/0xbe0 [10298.041096][ T10] ____sys_sendmsg+0x7b2/0xa10 [10298.041096][ T10] ___sys_sendmsg+0xee/0x170 [10298.041096][ T10] __sys_sendmsg+0xcd/0x170 [10298.041096][ T10] do_syscall_64+0xc6/0x1e0 [10298.041096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10298.041096][ T10] [10298.073238][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10298.073238][ T10] neigh_parms_alloc+0x1e5/0x510 [10298.073238][ T10] ipv6_add_dev+0x2fe/0x11c0 [10298.073238][ T10] ipv6_find_idev+0x102/0x170 [10298.073238][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10298.073238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10298.073238][ T10] netlink_rcv_skb+0x130/0x360 [10298.073238][ T10] netlink_unicast+0x449/0x710 [10298.073238][ T10] netlink_sendmsg+0x723/0xbe0 [10298.073238][ T10] ____sys_sendmsg+0x7b2/0xa10 [10298.073238][ T10] ___sys_sendmsg+0xee/0x170 [10298.073238][ T10] __sys_sendmsg+0xcd/0x170 [10298.073238][ T10] do_syscall_64+0xc6/0x1e0 [10298.073238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10298.073238][ T10] [10298.134921][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10298.150267][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10298.150267][ T10] netdev_get_by_index+0x5e/0x80 [10298.150267][ T10] fib6_nh_init+0x3d8/0x1580 [10298.150267][ T10] ip6_route_info_create+0xf18/0x17d0 [10298.150267][ T10] addrconf_f6i_alloc+0x265/0x560 [10298.150267][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10298.150267][ T10] addrconf_join_anycast+0x1c0/0x220 [10298.150267][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10298.150267][ T10] addrconf_dad_completed+0x12b/0xe20 [10298.150267][ T10] addrconf_dad_begin+0x310/0x670 [10298.150267][ T10] addrconf_dad_work+0x10b/0xab0 [10298.150267][ T10] process_one_work+0x84d/0x18a0 [10298.150267][ T10] worker_thread+0x587/0xd30 [10298.150267][ T10] kthread+0x28a/0x350 [10298.150267][ T10] ret_from_fork+0x31/0x70 [10298.150267][ T10] ret_from_fork_asm+0x1a/0x30 [10298.150267][ T10] [10298.155146][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10298.155146][ T10] netdev_get_by_index+0x5e/0x80 [10298.155146][ T10] fib6_nh_init+0x3d8/0x1580 [10298.155146][ T10] ip6_route_info_create+0xf18/0x17d0 [10298.155146][ T10] ip6_route_add+0x1c/0x140 [10298.155146][ T10] addrconf_prefix_route+0x2a6/0x430 [10298.155146][ T10] inet6_addr_add+0x4f8/0xa40 [10298.155146][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10298.155146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10298.155146][ T10] netlink_rcv_skb+0x130/0x360 [10298.155146][ T10] netlink_unicast+0x449/0x710 [10298.155146][ T10] netlink_sendmsg+0x723/0xbe0 [10298.155146][ T10] ____sys_sendmsg+0x7b2/0xa10 [10298.155146][ T10] ___sys_sendmsg+0xee/0x170 [10298.155146][ T10] __sys_sendmsg+0xcd/0x170 [10298.155146][ T10] do_syscall_64+0xc6/0x1e0 [10298.155146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10298.155146][ T10] [10298.212984][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10298.212984][ T10] netdev_get_by_index+0x5e/0x80 [10298.212984][ T10] fib6_nh_init+0x3d8/0x1580 [10298.212984][ T10] ip6_route_info_create+0xf18/0x17d0 [10298.212984][ T10] addrconf_f6i_alloc+0x315/0x560 [10298.212984][ T10] ipv6_add_addr+0x411/0x2000 [10298.212984][ T10] inet6_addr_add+0x30e/0xa40 [10298.212984][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10298.212984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10298.212984][ T10] netlink_rcv_skb+0x130/0x360 [10298.212984][ T10] netlink_unicast+0x449/0x710 [10298.212984][ T10] netlink_sendmsg+0x723/0xbe0 [10298.212984][ T10] ____sys_sendmsg+0x7b2/0xa10 [10298.212984][ T10] ___sys_sendmsg+0xee/0x170 [10298.212984][ T10] __sys_sendmsg+0xcd/0x170 [10298.212984][ T10] do_syscall_64+0xc6/0x1e0 [10298.212984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10298.212984][ T10] [10298.234462][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10298.234462][ T10] netdev_get_by_index+0x5e/0x80 [10298.234462][ T10] fib6_nh_init+0x3d8/0x1580 [10298.234462][ T10] ip6_route_info_create+0xf18/0x17d0 [10298.234462][ T10] ip6_route_add+0x1c/0x140 [10298.234462][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10298.234462][ T10] addrconf_add_dev+0xe2/0x170 [10298.234462][ T10] inet6_addr_add+0x12f/0xa40 [10298.234462][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10298.234462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10298.234462][ T10] netlink_rcv_skb+0x130/0x360 [10298.234462][ T10] netlink_unicast+0x449/0x710 [10298.234462][ T10] netlink_sendmsg+0x723/0xbe0 [10298.234462][ T10] ____sys_sendmsg+0x7b2/0xa10 [10298.234462][ T10] ___sys_sendmsg+0xee/0x170 [10298.234462][ T10] __sys_sendmsg+0xcd/0x170 [10298.234462][ T10] do_syscall_64+0xc6/0x1e0 [10298.234462][ T10] [10298.272420][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10298.272420][ T10] ipv6_add_dev+0x3ba/0x11c0 [10298.272420][ T10] ipv6_find_idev+0x102/0x170 [10298.272420][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10298.272420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10298.272420][ T10] netlink_rcv_skb+0x130/0x360 [10298.272420][ T10] netlink_unicast+0x449/0x710 [10298.272420][ T10] netlink_sendmsg+0x723/0xbe0 [10298.272420][ T10] ____sys_sendmsg+0x7b2/0xa10 [10298.272420][ T10] ___sys_sendmsg+0xee/0x170 [10298.272420][ T10] __sys_sendmsg+0xcd/0x170 [10298.272420][ T10] do_syscall_64+0xc6/0x1e0 [10298.272420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10298.272420][ T10] [10298.295174][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10298.295174][ T10] neigh_parms_alloc+0x1e5/0x510 [10298.295174][ T10] ipv6_add_dev+0x2fe/0x11c0 [10298.295174][ T10] ipv6_find_idev+0x102/0x170 [10298.295174][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10298.295174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10298.295174][ T10] netlink_rcv_skb+0x130/0x360 [10298.295174][ T10] netlink_unicast+0x449/0x710 [10298.295174][ T10] netlink_sendmsg+0x723/0xbe0 [10298.295174][ T10] ____sys_sendmsg+0x7b2/0xa10 [10298.295174][ T10] ___sys_sendmsg+0xee/0x170 [10298.295174][ T10] __sys_sendmsg+0xcd/0x170 [10298.295174][ T10] do_syscall_64+0xc6/0x1e0 [10298.295174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10298.295174][ T10] [10305.825356][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10305.826078][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10305.826078][ T1167] dst_init+0x84/0x4a0 [10305.826078][ T1167] dst_alloc+0x97/0x150 [10305.826078][ T1167] ip6_dst_alloc+0x23/0x90 [10305.826078][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10305.826078][ T1167] ip6_pol_route+0x56f/0x840 [10305.826078][ T1167] fib6_rule_lookup+0x334/0x630 [10305.826078][ T1167] ip6_route_output_flags+0x259/0x480 [10305.826078][ T1167] inet6_rtm_getroute+0x980/0xf70 [10305.826078][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10305.826078][ T1167] netlink_rcv_skb+0x130/0x360 [10305.826078][ T1167] netlink_unicast+0x449/0x710 [10305.826078][ T1167] netlink_sendmsg+0x723/0xbe0 [10305.826078][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10305.826078][ T1167] ___sys_sendmsg+0xee/0x170 [10305.826078][ T1167] __sys_sendmsg+0xcd/0x170 [10305.826078][ T1167] do_syscall_64+0xc6/0x1e0 [10305.826078][ T1167] [10305.829886][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10305.829886][ T1167] netdev_get_by_index+0x5e/0x80 [10305.829886][ T1167] fib6_nh_init+0x3d8/0x1580 [10305.829886][ T1167] ip6_route_info_create+0xf18/0x17d0 [10305.829886][ T1167] addrconf_f6i_alloc+0x265/0x560 [10305.829886][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10305.829886][ T1167] addrconf_join_anycast+0x1c0/0x220 [10305.829886][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10305.829886][ T1167] addrconf_dad_completed+0x12b/0xe20 [10305.829886][ T1167] addrconf_dad_begin+0x310/0x670 [10305.829886][ T1167] addrconf_dad_work+0x10b/0xab0 [10305.829886][ T1167] process_one_work+0x84d/0x18a0 [10305.829886][ T1167] worker_thread+0x587/0xd30 [10305.829886][ T1167] kthread+0x28a/0x350 [10305.829886][ T1167] ret_from_fork+0x31/0x70 [10305.829886][ T1167] ret_from_fork_asm+0x1a/0x30 [10305.829886][ T1167] [10305.881609][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10305.881609][ T1167] netdev_get_by_index+0x5e/0x80 [10305.881609][ T1167] fib6_nh_init+0x3d8/0x1580 [10305.881609][ T1167] ip6_route_info_create+0xf18/0x17d0 [10305.881609][ T1167] ip6_route_add+0x1c/0x140 [10305.881609][ T1167] addrconf_prefix_route+0x2a6/0x430 [10305.881609][ T1167] inet6_addr_add+0x4f8/0xa40 [10305.881609][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10305.881609][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10305.881609][ T1167] netlink_rcv_skb+0x130/0x360 [10305.881609][ T1167] netlink_unicast+0x449/0x710 [10305.881609][ T1167] netlink_sendmsg+0x723/0xbe0 [10305.881609][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10305.881609][ T1167] ___sys_sendmsg+0xee/0x170 [10305.881609][ T1167] __sys_sendmsg+0xcd/0x170 [10305.881609][ T1167] do_syscall_64+0xc6/0x1e0 [10305.881609][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10305.881609][ T1167] [10305.891799][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10305.891799][ T1167] netdev_get_by_index+0x5e/0x80 [10305.891799][ T1167] fib6_nh_init+0x3d8/0x1580 [10305.891799][ T1167] ip6_route_info_create+0xf18/0x17d0 [10305.891799][ T1167] addrconf_f6i_alloc+0x315/0x560 [10305.891799][ T1167] ipv6_add_addr+0x411/0x2000 [10305.891799][ T1167] inet6_addr_add+0x30e/0xa40 [10305.891799][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10305.891799][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10305.891799][ T1167] netlink_rcv_skb+0x130/0x360 [10305.891799][ T1167] netlink_unicast+0x449/0x710 [10305.891799][ T1167] netlink_sendmsg+0x723/0xbe0 [10305.891799][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10305.891799][ T1167] ___sys_sendmsg+0xee/0x170 [10305.891799][ T1167] __sys_sendmsg+0xcd/0x170 [10305.891799][ T1167] do_syscall_64+0xc6/0x1e0 [10305.891799][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10305.891799][ T1167] [10305.896643][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10305.896643][ T1167] netdev_get_by_index+0x5e/0x80 [10305.896643][ T1167] fib6_nh_init+0x3d8/0x1580 [10305.896643][ T1167] ip6_route_info_create+0xf18/0x17d0 [10305.896643][ T1167] ip6_route_add+0x1c/0x140 [10305.896643][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10305.896643][ T1167] addrconf_add_dev+0xe2/0x170 [10305.896643][ T1167] inet6_addr_add+0x12f/0xa40 [10305.896643][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10305.896643][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10305.896643][ T1167] netlink_rcv_skb+0x130/0x360 [10305.896643][ T1167] netlink_unicast+0x449/0x710 [10305.896643][ T1167] netlink_sendmsg+0x723/0xbe0 [10305.896643][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10305.896643][ T1167] ___sys_sendmsg+0xee/0x170 [10305.896643][ T1167] __sys_sendmsg+0xcd/0x170 [10305.896643][ T1167] do_syscall_64+0xc6/0x1e0 [10305.896643][ T1167] [10305.961937][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10305.961937][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10305.961937][ T1167] ipv6_find_idev+0x102/0x170 [10305.961937][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10305.961937][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10305.961937][ T1167] netlink_rcv_skb+0x130/0x360 [10305.961937][ T1167] netlink_unicast+0x449/0x710 [10305.961937][ T1167] netlink_sendmsg+0x723/0xbe0 [10305.961937][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10305.961937][ T1167] ___sys_sendmsg+0xee/0x170 [10305.961937][ T1167] __sys_sendmsg+0xcd/0x170 [10305.961937][ T1167] do_syscall_64+0xc6/0x1e0 [10305.961937][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10305.961937][ T1167] [10305.965921][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10305.965921][ T1167] neigh_parms_alloc+0x1e5/0x510 [10305.965921][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10305.965921][ T1167] ipv6_find_idev+0x102/0x170 [10305.965921][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10305.965921][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10305.965921][ T1167] netlink_rcv_skb+0x130/0x360 [10305.965921][ T1167] netlink_unicast+0x449/0x710 [10305.965921][ T1167] netlink_sendmsg+0x723/0xbe0 [10305.965921][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10305.965921][ T1167] ___sys_sendmsg+0xee/0x170 [10305.965921][ T1167] __sys_sendmsg+0xcd/0x170 [10305.965921][ T1167] do_syscall_64+0xc6/0x1e0 [10305.965921][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10305.965921][ T1167] [10308.385223][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10308.420677][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10308.420677][ T10] netdev_get_by_index+0x5e/0x80 [10308.420677][ T10] fib6_nh_init+0x3d8/0x1580 [10308.420677][ T10] ip6_route_info_create+0xf18/0x17d0 [10308.420677][ T10] addrconf_f6i_alloc+0x265/0x560 [10308.420677][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10308.420677][ T10] addrconf_join_anycast+0x1c0/0x220 [10308.420677][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10308.420677][ T10] addrconf_dad_completed+0x12b/0xe20 [10308.420677][ T10] addrconf_dad_begin+0x310/0x670 [10308.420677][ T10] addrconf_dad_work+0x10b/0xab0 [10308.420677][ T10] process_one_work+0x84d/0x18a0 [10308.420677][ T10] worker_thread+0x587/0xd30 [10308.420677][ T10] kthread+0x28a/0x350 [10308.420677][ T10] ret_from_fork+0x31/0x70 [10308.420677][ T10] ret_from_fork_asm+0x1a/0x30 [10308.420677][ T10] [10308.426768][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10308.426768][ T10] netdev_get_by_index+0x5e/0x80 [10308.426768][ T10] fib6_nh_init+0x3d8/0x1580 [10308.426768][ T10] ip6_route_info_create+0xf18/0x17d0 [10308.426768][ T10] ip6_route_add+0x1c/0x140 [10308.426768][ T10] addrconf_prefix_route+0x2a6/0x430 [10308.426768][ T10] inet6_addr_add+0x4f8/0xa40 [10308.426768][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10308.426768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10308.426768][ T10] netlink_rcv_skb+0x130/0x360 [10308.426768][ T10] netlink_unicast+0x449/0x710 [10308.426768][ T10] netlink_sendmsg+0x723/0xbe0 [10308.426768][ T10] ____sys_sendmsg+0x7b2/0xa10 [10308.426768][ T10] ___sys_sendmsg+0xee/0x170 [10308.426768][ T10] __sys_sendmsg+0xcd/0x170 [10308.426768][ T10] do_syscall_64+0xc6/0x1e0 [10308.426768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10308.426768][ T10] [10308.432945][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10308.432945][ T10] netdev_get_by_index+0x5e/0x80 [10308.432945][ T10] fib6_nh_init+0x3d8/0x1580 [10308.432945][ T10] ip6_route_info_create+0xf18/0x17d0 [10308.432945][ T10] addrconf_f6i_alloc+0x315/0x560 [10308.432945][ T10] ipv6_add_addr+0x411/0x2000 [10308.432945][ T10] inet6_addr_add+0x30e/0xa40 [10308.432945][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10308.432945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10308.432945][ T10] netlink_rcv_skb+0x130/0x360 [10308.432945][ T10] netlink_unicast+0x449/0x710 [10308.432945][ T10] netlink_sendmsg+0x723/0xbe0 [10308.432945][ T10] ____sys_sendmsg+0x7b2/0xa10 [10308.432945][ T10] ___sys_sendmsg+0xee/0x170 [10308.432945][ T10] __sys_sendmsg+0xcd/0x170 [10308.432945][ T10] do_syscall_64+0xc6/0x1e0 [10308.432945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10308.432945][ T10] [10308.452305][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10308.452305][ T10] netdev_get_by_index+0x5e/0x80 [10308.452305][ T10] fib6_nh_init+0x3d8/0x1580 [10308.452305][ T10] ip6_route_info_create+0xf18/0x17d0 [10308.452305][ T10] ip6_route_add+0x1c/0x140 [10308.452305][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10308.452305][ T10] addrconf_add_dev+0xe2/0x170 [10308.452305][ T10] inet6_addr_add+0x12f/0xa40 [10308.452305][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10308.452305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10308.452305][ T10] netlink_rcv_skb+0x130/0x360 [10308.452305][ T10] netlink_unicast+0x449/0x710 [10308.452305][ T10] netlink_sendmsg+0x723/0xbe0 [10308.452305][ T10] ____sys_sendmsg+0x7b2/0xa10 [10308.452305][ T10] ___sys_sendmsg+0xee/0x170 [10308.452305][ T10] __sys_sendmsg+0xcd/0x170 [10308.452305][ T10] do_syscall_64+0xc6/0x1e0 [10308.452305][ T10] [10308.490322][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10308.490322][ T10] ipv6_add_dev+0x3ba/0x11c0 [10308.490322][ T10] ipv6_find_idev+0x102/0x170 [10308.490322][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10308.490322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10308.490322][ T10] netlink_rcv_skb+0x130/0x360 [10308.490322][ T10] netlink_unicast+0x449/0x710 [10308.490322][ T10] netlink_sendmsg+0x723/0xbe0 [10308.490322][ T10] ____sys_sendmsg+0x7b2/0xa10 [10308.490322][ T10] ___sys_sendmsg+0xee/0x170 [10308.490322][ T10] __sys_sendmsg+0xcd/0x170 [10308.490322][ T10] do_syscall_64+0xc6/0x1e0 [10308.490322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10308.490322][ T10] [10308.501078][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10308.501078][ T10] neigh_parms_alloc+0x1e5/0x510 [10308.501078][ T10] ipv6_add_dev+0x2fe/0x11c0 [10308.501078][ T10] ipv6_find_idev+0x102/0x170 [10308.501078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10308.501078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10308.501078][ T10] netlink_rcv_skb+0x130/0x360 [10308.501078][ T10] netlink_unicast+0x449/0x710 [10308.501078][ T10] netlink_sendmsg+0x723/0xbe0 [10308.501078][ T10] ____sys_sendmsg+0x7b2/0xa10 [10308.501078][ T10] ___sys_sendmsg+0xee/0x170 [10308.501078][ T10] __sys_sendmsg+0xcd/0x170 [10308.501078][ T10] do_syscall_64+0xc6/0x1e0 [10308.501078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10308.501078][ T10] [10308.530559][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10308.531455][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10308.531455][ T10] netdev_get_by_index+0x5e/0x80 [10308.531455][ T10] fib6_nh_init+0x3d8/0x1580 [10308.531455][ T10] ip6_route_info_create+0xf18/0x17d0 [10308.531455][ T10] addrconf_f6i_alloc+0x265/0x560 [10308.531455][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10308.531455][ T10] addrconf_join_anycast+0x1c0/0x220 [10308.531455][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10308.531455][ T10] addrconf_dad_completed+0x12b/0xe20 [10308.531455][ T10] addrconf_dad_begin+0x310/0x670 [10308.531455][ T10] addrconf_dad_work+0x10b/0xab0 [10308.531455][ T10] process_one_work+0x84d/0x18a0 [10308.531455][ T10] worker_thread+0x587/0xd30 [10308.531455][ T10] kthread+0x28a/0x350 [10308.531455][ T10] ret_from_fork+0x31/0x70 [10308.531455][ T10] ret_from_fork_asm+0x1a/0x30 [10308.531455][ T10] [10308.542818][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10308.542818][ T10] netdev_get_by_index+0x5e/0x80 [10308.542818][ T10] fib6_nh_init+0x3d8/0x1580 [10308.542818][ T10] ip6_route_info_create+0xf18/0x17d0 [10308.542818][ T10] ip6_route_add+0x1c/0x140 [10308.542818][ T10] addrconf_prefix_route+0x2a6/0x430 [10308.542818][ T10] inet6_addr_add+0x4f8/0xa40 [10308.542818][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10308.542818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10308.542818][ T10] netlink_rcv_skb+0x130/0x360 [10308.542818][ T10] netlink_unicast+0x449/0x710 [10308.542818][ T10] netlink_sendmsg+0x723/0xbe0 [10308.542818][ T10] ____sys_sendmsg+0x7b2/0xa10 [10308.542818][ T10] ___sys_sendmsg+0xee/0x170 [10308.542818][ T10] __sys_sendmsg+0xcd/0x170 [10308.542818][ T10] do_syscall_64+0xc6/0x1e0 [10308.542818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10308.542818][ T10] [10308.548920][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10308.548920][ T10] netdev_get_by_index+0x5e/0x80 [10308.548920][ T10] fib6_nh_init+0x3d8/0x1580 [10308.548920][ T10] ip6_route_info_create+0xf18/0x17d0 [10308.548920][ T10] addrconf_f6i_alloc+0x315/0x560 [10308.548920][ T10] ipv6_add_addr+0x411/0x2000 [10308.548920][ T10] inet6_addr_add+0x30e/0xa40 [10308.548920][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10308.548920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10308.548920][ T10] netlink_rcv_skb+0x130/0x360 [10308.548920][ T10] netlink_unicast+0x449/0x710 [10308.548920][ T10] netlink_sendmsg+0x723/0xbe0 [10308.548920][ T10] ____sys_sendmsg+0x7b2/0xa10 [10308.548920][ T10] ___sys_sendmsg+0xee/0x170 [10308.548920][ T10] __sys_sendmsg+0xcd/0x170 [10308.548920][ T10] do_syscall_64+0xc6/0x1e0 [10308.548920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10308.548920][ T10] [10308.585517][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10308.585517][ T10] netdev_get_by_index+0x5e/0x80 [10308.585517][ T10] fib6_nh_init+0x3d8/0x1580 [10308.585517][ T10] ip6_route_info_create+0xf18/0x17d0 [10308.585517][ T10] ip6_route_add+0x1c/0x140 [10308.585517][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10308.585517][ T10] addrconf_add_dev+0xe2/0x170 [10308.585517][ T10] inet6_addr_add+0x12f/0xa40 [10308.585517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10308.585517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10308.585517][ T10] netlink_rcv_skb+0x130/0x360 [10308.585517][ T10] netlink_unicast+0x449/0x710 [10308.585517][ T10] netlink_sendmsg+0x723/0xbe0 [10308.585517][ T10] ____sys_sendmsg+0x7b2/0xa10 [10308.585517][ T10] ___sys_sendmsg+0xee/0x170 [10308.585517][ T10] __sys_sendmsg+0xcd/0x170 [10308.585517][ T10] do_syscall_64+0xc6/0x1e0 [10308.585517][ T10] [10308.614279][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10308.614279][ T10] ipv6_add_dev+0x3ba/0x11c0 [10308.614279][ T10] ipv6_find_idev+0x102/0x170 [10308.614279][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10308.614279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10308.614279][ T10] netlink_rcv_skb+0x130/0x360 [10308.614279][ T10] netlink_unicast+0x449/0x710 [10308.614279][ T10] netlink_sendmsg+0x723/0xbe0 [10308.614279][ T10] ____sys_sendmsg+0x7b2/0xa10 [10308.614279][ T10] ___sys_sendmsg+0xee/0x170 [10308.614279][ T10] __sys_sendmsg+0xcd/0x170 [10308.614279][ T10] do_syscall_64+0xc6/0x1e0 [10308.614279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10308.614279][ T10] [10308.630040][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10308.630040][ T10] neigh_parms_alloc+0x1e5/0x510 [10308.630040][ T10] ipv6_add_dev+0x2fe/0x11c0 [10308.630040][ T10] ipv6_find_idev+0x102/0x170 [10308.630040][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10308.630040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10308.630040][ T10] netlink_rcv_skb+0x130/0x360 [10308.630040][ T10] netlink_unicast+0x449/0x710 [10308.630040][ T10] netlink_sendmsg+0x723/0xbe0 [10308.630040][ T10] ____sys_sendmsg+0x7b2/0xa10 [10308.630040][ T10] ___sys_sendmsg+0xee/0x170 [10308.630040][ T10] __sys_sendmsg+0xcd/0x170 [10308.630040][ T10] do_syscall_64+0xc6/0x1e0 [10308.630040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10308.630040][ T10] [10308.690071][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10308.690954][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10308.690954][ T10] netdev_get_by_index+0x5e/0x80 [10308.690954][ T10] fib6_nh_init+0x3d8/0x1580 [10308.690954][ T10] ip6_route_info_create+0xf18/0x17d0 [10308.690954][ T10] addrconf_f6i_alloc+0x265/0x560 [10308.690954][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10308.690954][ T10] addrconf_join_anycast+0x1c0/0x220 [10308.690954][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10308.690954][ T10] addrconf_dad_completed+0x12b/0xe20 [10308.690954][ T10] addrconf_dad_begin+0x310/0x670 [10308.690954][ T10] addrconf_dad_work+0x10b/0xab0 [10308.690954][ T10] process_one_work+0x84d/0x18a0 [10308.690954][ T10] worker_thread+0x587/0xd30 [10308.690954][ T10] kthread+0x28a/0x350 [10308.690954][ T10] ret_from_fork+0x31/0x70 [10308.690954][ T10] ret_from_fork_asm+0x1a/0x30 [10308.690954][ T10] [10308.697210][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10308.697210][ T10] netdev_get_by_index+0x5e/0x80 [10308.697210][ T10] fib6_nh_init+0x3d8/0x1580 [10308.697210][ T10] ip6_route_info_create+0xf18/0x17d0 [10308.697210][ T10] ip6_route_add+0x1c/0x140 [10308.697210][ T10] addrconf_prefix_route+0x2a6/0x430 [10308.697210][ T10] inet6_addr_add+0x4f8/0xa40 [10308.697210][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10308.697210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10308.697210][ T10] netlink_rcv_skb+0x130/0x360 [10308.697210][ T10] netlink_unicast+0x449/0x710 [10308.697210][ T10] netlink_sendmsg+0x723/0xbe0 [10308.697210][ T10] ____sys_sendmsg+0x7b2/0xa10 [10308.697210][ T10] ___sys_sendmsg+0xee/0x170 [10308.697210][ T10] __sys_sendmsg+0xcd/0x170 [10308.697210][ T10] do_syscall_64+0xc6/0x1e0 [10308.697210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10308.697210][ T10] [10308.741129][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10308.741129][ T10] netdev_get_by_index+0x5e/0x80 [10308.741129][ T10] fib6_nh_init+0x3d8/0x1580 [10308.741129][ T10] ip6_route_info_create+0xf18/0x17d0 [10308.741129][ T10] addrconf_f6i_alloc+0x315/0x560 [10308.741129][ T10] ipv6_add_addr+0x411/0x2000 [10308.741129][ T10] inet6_addr_add+0x30e/0xa40 [10308.741129][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10308.741129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10308.741129][ T10] netlink_rcv_skb+0x130/0x360 [10308.741129][ T10] netlink_unicast+0x449/0x710 [10308.741129][ T10] netlink_sendmsg+0x723/0xbe0 [10308.741129][ T10] ____sys_sendmsg+0x7b2/0xa10 [10308.741129][ T10] ___sys_sendmsg+0xee/0x170 [10308.741129][ T10] __sys_sendmsg+0xcd/0x170 [10308.741129][ T10] do_syscall_64+0xc6/0x1e0 [10308.741129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10308.741129][ T10] [10308.763651][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10308.763651][ T10] netdev_get_by_index+0x5e/0x80 [10308.763651][ T10] fib6_nh_init+0x3d8/0x1580 [10308.763651][ T10] ip6_route_info_create+0xf18/0x17d0 [10308.763651][ T10] ip6_route_add+0x1c/0x140 [10308.763651][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10308.763651][ T10] addrconf_add_dev+0xe2/0x170 [10308.763651][ T10] inet6_addr_add+0x12f/0xa40 [10308.763651][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10308.763651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10308.763651][ T10] netlink_rcv_skb+0x130/0x360 [10308.763651][ T10] netlink_unicast+0x449/0x710 [10308.763651][ T10] netlink_sendmsg+0x723/0xbe0 [10308.763651][ T10] ____sys_sendmsg+0x7b2/0xa10 [10308.763651][ T10] ___sys_sendmsg+0xee/0x170 [10308.763651][ T10] __sys_sendmsg+0xcd/0x170 [10308.763651][ T10] do_syscall_64+0xc6/0x1e0 [10308.763651][ T10] [10308.784429][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10308.784429][ T10] ipv6_add_dev+0x3ba/0x11c0 [10308.784429][ T10] ipv6_find_idev+0x102/0x170 [10308.784429][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10308.784429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10308.784429][ T10] netlink_rcv_skb+0x130/0x360 [10308.784429][ T10] netlink_unicast+0x449/0x710 [10308.784429][ T10] netlink_sendmsg+0x723/0xbe0 [10308.784429][ T10] ____sys_sendmsg+0x7b2/0xa10 [10308.784429][ T10] ___sys_sendmsg+0xee/0x170 [10308.784429][ T10] __sys_sendmsg+0xcd/0x170 [10308.784429][ T10] do_syscall_64+0xc6/0x1e0 [10308.784429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10308.784429][ T10] [10308.794437][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10308.794437][ T10] neigh_parms_alloc+0x1e5/0x510 [10308.794437][ T10] ipv6_add_dev+0x2fe/0x11c0 [10308.794437][ T10] ipv6_find_idev+0x102/0x170 [10308.794437][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10308.794437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10308.794437][ T10] netlink_rcv_skb+0x130/0x360 [10308.794437][ T10] netlink_unicast+0x449/0x710 [10308.794437][ T10] netlink_sendmsg+0x723/0xbe0 [10308.794437][ T10] ____sys_sendmsg+0x7b2/0xa10 [10308.794437][ T10] ___sys_sendmsg+0xee/0x170 [10308.794437][ T10] __sys_sendmsg+0xcd/0x170 [10308.794437][ T10] do_syscall_64+0xc6/0x1e0 [10308.794437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10308.794437][ T10] [10308.810734][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10308.811559][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10308.811559][ T10] netdev_get_by_index+0x5e/0x80 [10308.811559][ T10] fib6_nh_init+0x3d8/0x1580 [10308.811559][ T10] ip6_route_info_create+0xf18/0x17d0 [10308.811559][ T10] addrconf_f6i_alloc+0x265/0x560 [10308.811559][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10308.811559][ T10] addrconf_join_anycast+0x1c0/0x220 [10308.811559][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10308.811559][ T10] addrconf_dad_completed+0x12b/0xe20 [10308.811559][ T10] addrconf_dad_begin+0x310/0x670 [10308.811559][ T10] addrconf_dad_work+0x10b/0xab0 [10308.811559][ T10] process_one_work+0x84d/0x18a0 [10308.811559][ T10] worker_thread+0x587/0xd30 [10308.811559][ T10] kthread+0x28a/0x350 [10308.811559][ T10] ret_from_fork+0x31/0x70 [10308.811559][ T10] ret_from_fork_asm+0x1a/0x30 [10308.811559][ T10] [10308.854941][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10308.854941][ T10] netdev_get_by_index+0x5e/0x80 [10308.854941][ T10] fib6_nh_init+0x3d8/0x1580 [10308.854941][ T10] ip6_route_info_create+0xf18/0x17d0 [10308.854941][ T10] ip6_route_add+0x1c/0x140 [10308.854941][ T10] addrconf_prefix_route+0x2a6/0x430 [10308.854941][ T10] inet6_addr_add+0x4f8/0xa40 [10308.854941][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10308.854941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10308.854941][ T10] netlink_rcv_skb+0x130/0x360 [10308.854941][ T10] netlink_unicast+0x449/0x710 [10308.854941][ T10] netlink_sendmsg+0x723/0xbe0 [10308.854941][ T10] ____sys_sendmsg+0x7b2/0xa10 [10308.854941][ T10] ___sys_sendmsg+0xee/0x170 [10308.854941][ T10] __sys_sendmsg+0xcd/0x170 [10308.854941][ T10] do_syscall_64+0xc6/0x1e0 [10308.854941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10308.854941][ T10] [10308.861596][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10308.861596][ T10] netdev_get_by_index+0x5e/0x80 [10308.861596][ T10] fib6_nh_init+0x3d8/0x1580 [10308.861596][ T10] ip6_route_info_create+0xf18/0x17d0 [10308.861596][ T10] addrconf_f6i_alloc+0x315/0x560 [10308.861596][ T10] ipv6_add_addr+0x411/0x2000 [10308.861596][ T10] inet6_addr_add+0x30e/0xa40 [10308.861596][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10308.861596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10308.861596][ T10] netlink_rcv_skb+0x130/0x360 [10308.861596][ T10] netlink_unicast+0x449/0x710 [10308.861596][ T10] netlink_sendmsg+0x723/0xbe0 [10308.861596][ T10] ____sys_sendmsg+0x7b2/0xa10 [10308.861596][ T10] ___sys_sendmsg+0xee/0x170 [10308.861596][ T10] __sys_sendmsg+0xcd/0x170 [10308.861596][ T10] do_syscall_64+0xc6/0x1e0 [10308.861596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10308.861596][ T10] [10308.916838][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10308.916838][ T10] netdev_get_by_index+0x5e/0x80 [10308.916838][ T10] fib6_nh_init+0x3d8/0x1580 [10308.916838][ T10] ip6_route_info_create+0xf18/0x17d0 [10308.916838][ T10] ip6_route_add+0x1c/0x140 [10308.916838][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10308.916838][ T10] addrconf_add_dev+0xe2/0x170 [10308.916838][ T10] inet6_addr_add+0x12f/0xa40 [10308.916838][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10308.916838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10308.916838][ T10] netlink_rcv_skb+0x130/0x360 [10308.916838][ T10] netlink_unicast+0x449/0x710 [10308.916838][ T10] netlink_sendmsg+0x723/0xbe0 [10308.916838][ T10] ____sys_sendmsg+0x7b2/0xa10 [10308.916838][ T10] ___sys_sendmsg+0xee/0x170 [10308.916838][ T10] __sys_sendmsg+0xcd/0x170 [10308.916838][ T10] do_syscall_64+0xc6/0x1e0 [10308.916838][ T10] [10308.923400][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10308.923400][ T10] ipv6_add_dev+0x3ba/0x11c0 [10308.923400][ T10] ipv6_find_idev+0x102/0x170 [10308.923400][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10308.923400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10308.923400][ T10] netlink_rcv_skb+0x130/0x360 [10308.923400][ T10] netlink_unicast+0x449/0x710 [10308.923400][ T10] netlink_sendmsg+0x723/0xbe0 [10308.923400][ T10] ____sys_sendmsg+0x7b2/0xa10 [10308.923400][ T10] ___sys_sendmsg+0xee/0x170 [10308.923400][ T10] __sys_sendmsg+0xcd/0x170 [10308.923400][ T10] do_syscall_64+0xc6/0x1e0 [10308.923400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10308.923400][ T10] [10308.953874][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10308.953874][ T10] neigh_parms_alloc+0x1e5/0x510 [10308.953874][ T10] ipv6_add_dev+0x2fe/0x11c0 [10308.953874][ T10] ipv6_find_idev+0x102/0x170 [10308.953874][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10308.953874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10308.953874][ T10] netlink_rcv_skb+0x130/0x360 [10308.953874][ T10] netlink_unicast+0x449/0x710 [10308.953874][ T10] netlink_sendmsg+0x723/0xbe0 [10308.953874][ T10] ____sys_sendmsg+0x7b2/0xa10 [10308.953874][ T10] ___sys_sendmsg+0xee/0x170 [10308.953874][ T10] __sys_sendmsg+0xcd/0x170 [10308.953874][ T10] do_syscall_64+0xc6/0x1e0 [10308.953874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10308.953874][ T10] [10316.129493][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10316.139216][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10316.139216][ T1167] dst_init+0x84/0x4a0 [10316.139216][ T1167] dst_alloc+0x97/0x150 [10316.139216][ T1167] ip6_dst_alloc+0x23/0x90 [10316.139216][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10316.139216][ T1167] ip6_pol_route+0x56f/0x840 [10316.139216][ T1167] fib6_rule_lookup+0x334/0x630 [10316.139216][ T1167] ip6_route_output_flags+0x259/0x480 [10316.139216][ T1167] inet6_rtm_getroute+0x980/0xf70 [10316.139216][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10316.139216][ T1167] netlink_rcv_skb+0x130/0x360 [10316.139216][ T1167] netlink_unicast+0x449/0x710 [10316.139216][ T1167] netlink_sendmsg+0x723/0xbe0 [10316.139216][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10316.139216][ T1167] ___sys_sendmsg+0xee/0x170 [10316.139216][ T1167] __sys_sendmsg+0xcd/0x170 [10316.139216][ T1167] do_syscall_64+0xc6/0x1e0 [10316.139216][ T1167] [10316.145992][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10316.145992][ T1167] netdev_get_by_index+0x5e/0x80 [10316.145992][ T1167] fib6_nh_init+0x3d8/0x1580 [10316.145992][ T1167] ip6_route_info_create+0xf18/0x17d0 [10316.145992][ T1167] addrconf_f6i_alloc+0x265/0x560 [10316.145992][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10316.145992][ T1167] addrconf_join_anycast+0x1c0/0x220 [10316.145992][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10316.145992][ T1167] addrconf_dad_completed+0x12b/0xe20 [10316.145992][ T1167] addrconf_dad_begin+0x310/0x670 [10316.145992][ T1167] addrconf_dad_work+0x10b/0xab0 [10316.145992][ T1167] process_one_work+0x84d/0x18a0 [10316.145992][ T1167] worker_thread+0x587/0xd30 [10316.145992][ T1167] kthread+0x28a/0x350 [10316.145992][ T1167] ret_from_fork+0x31/0x70 [10316.145992][ T1167] ret_from_fork_asm+0x1a/0x30 [10316.145992][ T1167] [10316.152168][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10316.152168][ T1167] netdev_get_by_index+0x5e/0x80 [10316.152168][ T1167] fib6_nh_init+0x3d8/0x1580 [10316.152168][ T1167] ip6_route_info_create+0xf18/0x17d0 [10316.152168][ T1167] ip6_route_add+0x1c/0x140 [10316.152168][ T1167] addrconf_prefix_route+0x2a6/0x430 [10316.152168][ T1167] inet6_addr_add+0x4f8/0xa40 [10316.152168][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10316.152168][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10316.152168][ T1167] netlink_rcv_skb+0x130/0x360 [10316.152168][ T1167] netlink_unicast+0x449/0x710 [10316.152168][ T1167] netlink_sendmsg+0x723/0xbe0 [10316.152168][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10316.152168][ T1167] ___sys_sendmsg+0xee/0x170 [10316.152168][ T1167] __sys_sendmsg+0xcd/0x170 [10316.152168][ T1167] do_syscall_64+0xc6/0x1e0 [10316.152168][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10316.152168][ T1167] [10316.170616][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10316.170616][ T1167] netdev_get_by_index+0x5e/0x80 [10316.170616][ T1167] fib6_nh_init+0x3d8/0x1580 [10316.170616][ T1167] ip6_route_info_create+0xf18/0x17d0 [10316.170616][ T1167] addrconf_f6i_alloc+0x315/0x560 [10316.170616][ T1167] ipv6_add_addr+0x411/0x2000 [10316.170616][ T1167] inet6_addr_add+0x30e/0xa40 [10316.170616][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10316.170616][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10316.170616][ T1167] netlink_rcv_skb+0x130/0x360 [10316.170616][ T1167] netlink_unicast+0x449/0x710 [10316.170616][ T1167] netlink_sendmsg+0x723/0xbe0 [10316.170616][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10316.170616][ T1167] ___sys_sendmsg+0xee/0x170 [10316.170616][ T1167] __sys_sendmsg+0xcd/0x170 [10316.170616][ T1167] do_syscall_64+0xc6/0x1e0 [10316.170616][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10316.170616][ T1167] [10316.184367][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10316.184367][ T1167] netdev_get_by_index+0x5e/0x80 [10316.184367][ T1167] fib6_nh_init+0x3d8/0x1580 [10316.184367][ T1167] ip6_route_info_create+0xf18/0x17d0 [10316.184367][ T1167] ip6_route_add+0x1c/0x140 [10316.184367][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10316.184367][ T1167] addrconf_add_dev+0xe2/0x170 [10316.184367][ T1167] inet6_addr_add+0x12f/0xa40 [10316.184367][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10316.184367][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10316.184367][ T1167] netlink_rcv_skb+0x130/0x360 [10316.184367][ T1167] netlink_unicast+0x449/0x710 [10316.184367][ T1167] netlink_sendmsg+0x723/0xbe0 [10316.184367][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10316.184367][ T1167] ___sys_sendmsg+0xee/0x170 [10316.184367][ T1167] __sys_sendmsg+0xcd/0x170 [10316.184367][ T1167] do_syscall_64+0xc6/0x1e0 [10316.184367][ T1167] [10316.220725][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10316.220725][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10316.220725][ T1167] ipv6_find_idev+0x102/0x170 [10316.220725][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10316.220725][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10316.220725][ T1167] netlink_rcv_skb+0x130/0x360 [10316.220725][ T1167] netlink_unicast+0x449/0x710 [10316.220725][ T1167] netlink_sendmsg+0x723/0xbe0 [10316.220725][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10316.220725][ T1167] ___sys_sendmsg+0xee/0x170 [10316.220725][ T1167] __sys_sendmsg+0xcd/0x170 [10316.220725][ T1167] do_syscall_64+0xc6/0x1e0 [10316.220725][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10316.220725][ T1167] [10316.263671][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10316.263671][ T1167] neigh_parms_alloc+0x1e5/0x510 [10316.263671][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10316.263671][ T1167] ipv6_find_idev+0x102/0x170 [10316.263671][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10316.263671][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10316.263671][ T1167] netlink_rcv_skb+0x130/0x360 [10316.263671][ T1167] netlink_unicast+0x449/0x710 [10316.263671][ T1167] netlink_sendmsg+0x723/0xbe0 [10316.263671][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10316.263671][ T1167] ___sys_sendmsg+0xee/0x170 [10316.263671][ T1167] __sys_sendmsg+0xcd/0x170 [10316.263671][ T1167] do_syscall_64+0xc6/0x1e0 [10316.263671][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10316.263671][ T1167] [10319.201266][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10319.211975][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10319.211975][ T10] netdev_get_by_index+0x5e/0x80 [10319.211975][ T10] fib6_nh_init+0x3d8/0x1580 [10319.211975][ T10] ip6_route_info_create+0xf18/0x17d0 [10319.211975][ T10] addrconf_f6i_alloc+0x265/0x560 [10319.211975][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10319.211975][ T10] addrconf_join_anycast+0x1c0/0x220 [10319.211975][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10319.211975][ T10] addrconf_dad_completed+0x12b/0xe20 [10319.211975][ T10] addrconf_dad_begin+0x310/0x670 [10319.211975][ T10] addrconf_dad_work+0x10b/0xab0 [10319.211975][ T10] process_one_work+0x84d/0x18a0 [10319.211975][ T10] worker_thread+0x587/0xd30 [10319.211975][ T10] kthread+0x28a/0x350 [10319.211975][ T10] ret_from_fork+0x31/0x70 [10319.211975][ T10] ret_from_fork_asm+0x1a/0x30 [10319.211975][ T10] [10319.218059][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10319.218059][ T10] netdev_get_by_index+0x5e/0x80 [10319.218059][ T10] fib6_nh_init+0x3d8/0x1580 [10319.218059][ T10] ip6_route_info_create+0xf18/0x17d0 [10319.218059][ T10] ip6_route_add+0x1c/0x140 [10319.218059][ T10] addrconf_prefix_route+0x2a6/0x430 [10319.218059][ T10] inet6_addr_add+0x4f8/0xa40 [10319.218059][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10319.218059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10319.218059][ T10] netlink_rcv_skb+0x130/0x360 [10319.218059][ T10] netlink_unicast+0x449/0x710 [10319.218059][ T10] netlink_sendmsg+0x723/0xbe0 [10319.218059][ T10] ____sys_sendmsg+0x7b2/0xa10 [10319.218059][ T10] ___sys_sendmsg+0xee/0x170 [10319.218059][ T10] __sys_sendmsg+0xcd/0x170 [10319.218059][ T10] do_syscall_64+0xc6/0x1e0 [10319.218059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10319.218059][ T10] [10319.224198][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10319.224198][ T10] netdev_get_by_index+0x5e/0x80 [10319.224198][ T10] fib6_nh_init+0x3d8/0x1580 [10319.224198][ T10] ip6_route_info_create+0xf18/0x17d0 [10319.224198][ T10] addrconf_f6i_alloc+0x315/0x560 [10319.224198][ T10] ipv6_add_addr+0x411/0x2000 [10319.224198][ T10] inet6_addr_add+0x30e/0xa40 [10319.224198][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10319.224198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10319.224198][ T10] netlink_rcv_skb+0x130/0x360 [10319.224198][ T10] netlink_unicast+0x449/0x710 [10319.224198][ T10] netlink_sendmsg+0x723/0xbe0 [10319.224198][ T10] ____sys_sendmsg+0x7b2/0xa10 [10319.224198][ T10] ___sys_sendmsg+0xee/0x170 [10319.224198][ T10] __sys_sendmsg+0xcd/0x170 [10319.224198][ T10] do_syscall_64+0xc6/0x1e0 [10319.224198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10319.224198][ T10] [10319.243366][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10319.243366][ T10] netdev_get_by_index+0x5e/0x80 [10319.243366][ T10] fib6_nh_init+0x3d8/0x1580 [10319.243366][ T10] ip6_route_info_create+0xf18/0x17d0 [10319.243366][ T10] ip6_route_add+0x1c/0x140 [10319.243366][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10319.243366][ T10] addrconf_add_dev+0xe2/0x170 [10319.243366][ T10] inet6_addr_add+0x12f/0xa40 [10319.243366][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10319.243366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10319.243366][ T10] netlink_rcv_skb+0x130/0x360 [10319.243366][ T10] netlink_unicast+0x449/0x710 [10319.243366][ T10] netlink_sendmsg+0x723/0xbe0 [10319.243366][ T10] ____sys_sendmsg+0x7b2/0xa10 [10319.243366][ T10] ___sys_sendmsg+0xee/0x170 [10319.243366][ T10] __sys_sendmsg+0xcd/0x170 [10319.243366][ T10] do_syscall_64+0xc6/0x1e0 [10319.243366][ T10] [10319.282802][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10319.282802][ T10] ipv6_add_dev+0x3ba/0x11c0 [10319.282802][ T10] ipv6_find_idev+0x102/0x170 [10319.282802][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10319.282802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10319.282802][ T10] netlink_rcv_skb+0x130/0x360 [10319.282802][ T10] netlink_unicast+0x449/0x710 [10319.282802][ T10] netlink_sendmsg+0x723/0xbe0 [10319.282802][ T10] ____sys_sendmsg+0x7b2/0xa10 [10319.282802][ T10] ___sys_sendmsg+0xee/0x170 [10319.282802][ T10] __sys_sendmsg+0xcd/0x170 [10319.282802][ T10] do_syscall_64+0xc6/0x1e0 [10319.282802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10319.282802][ T10] [10319.301320][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10319.301320][ T10] neigh_parms_alloc+0x1e5/0x510 [10319.301320][ T10] ipv6_add_dev+0x2fe/0x11c0 [10319.301320][ T10] ipv6_find_idev+0x102/0x170 [10319.301320][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10319.301320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10319.301320][ T10] netlink_rcv_skb+0x130/0x360 [10319.301320][ T10] netlink_unicast+0x449/0x710 [10319.301320][ T10] netlink_sendmsg+0x723/0xbe0 [10319.301320][ T10] ____sys_sendmsg+0x7b2/0xa10 [10319.301320][ T10] ___sys_sendmsg+0xee/0x170 [10319.301320][ T10] __sys_sendmsg+0xcd/0x170 [10319.301320][ T10] do_syscall_64+0xc6/0x1e0 [10319.301320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10319.301320][ T10] [10319.313439][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10319.340116][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10319.340116][ T10] netdev_get_by_index+0x5e/0x80 [10319.340116][ T10] fib6_nh_init+0x3d8/0x1580 [10319.340116][ T10] ip6_route_info_create+0xf18/0x17d0 [10319.340116][ T10] addrconf_f6i_alloc+0x265/0x560 [10319.340116][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10319.340116][ T10] addrconf_join_anycast+0x1c0/0x220 [10319.340116][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10319.340116][ T10] addrconf_dad_completed+0x12b/0xe20 [10319.340116][ T10] addrconf_dad_begin+0x310/0x670 [10319.340116][ T10] addrconf_dad_work+0x10b/0xab0 [10319.340116][ T10] process_one_work+0x84d/0x18a0 [10319.340116][ T10] worker_thread+0x587/0xd30 [10319.340116][ T10] kthread+0x28a/0x350 [10319.340116][ T10] ret_from_fork+0x31/0x70 [10319.340116][ T10] ret_from_fork_asm+0x1a/0x30 [10319.340116][ T10] [10319.402293][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10319.402293][ T10] netdev_get_by_index+0x5e/0x80 [10319.402293][ T10] fib6_nh_init+0x3d8/0x1580 [10319.402293][ T10] ip6_route_info_create+0xf18/0x17d0 [10319.402293][ T10] ip6_route_add+0x1c/0x140 [10319.402293][ T10] addrconf_prefix_route+0x2a6/0x430 [10319.402293][ T10] inet6_addr_add+0x4f8/0xa40 [10319.402293][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10319.402293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10319.402293][ T10] netlink_rcv_skb+0x130/0x360 [10319.402293][ T10] netlink_unicast+0x449/0x710 [10319.402293][ T10] netlink_sendmsg+0x723/0xbe0 [10319.402293][ T10] ____sys_sendmsg+0x7b2/0xa10 [10319.402293][ T10] ___sys_sendmsg+0xee/0x170 [10319.402293][ T10] __sys_sendmsg+0xcd/0x170 [10319.402293][ T10] do_syscall_64+0xc6/0x1e0 [10319.402293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10319.402293][ T10] [10319.410590][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10319.410590][ T10] netdev_get_by_index+0x5e/0x80 [10319.410590][ T10] fib6_nh_init+0x3d8/0x1580 [10319.410590][ T10] ip6_route_info_create+0xf18/0x17d0 [10319.410590][ T10] addrconf_f6i_alloc+0x315/0x560 [10319.410590][ T10] ipv6_add_addr+0x411/0x2000 [10319.410590][ T10] inet6_addr_add+0x30e/0xa40 [10319.410590][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10319.410590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10319.410590][ T10] netlink_rcv_skb+0x130/0x360 [10319.410590][ T10] netlink_unicast+0x449/0x710 [10319.410590][ T10] netlink_sendmsg+0x723/0xbe0 [10319.410590][ T10] ____sys_sendmsg+0x7b2/0xa10 [10319.410590][ T10] ___sys_sendmsg+0xee/0x170 [10319.410590][ T10] __sys_sendmsg+0xcd/0x170 [10319.410590][ T10] do_syscall_64+0xc6/0x1e0 [10319.410590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10319.410590][ T10] [10319.431998][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10319.431998][ T10] netdev_get_by_index+0x5e/0x80 [10319.431998][ T10] fib6_nh_init+0x3d8/0x1580 [10319.431998][ T10] ip6_route_info_create+0xf18/0x17d0 [10319.431998][ T10] ip6_route_add+0x1c/0x140 [10319.431998][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10319.431998][ T10] addrconf_add_dev+0xe2/0x170 [10319.431998][ T10] inet6_addr_add+0x12f/0xa40 [10319.431998][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10319.431998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10319.431998][ T10] netlink_rcv_skb+0x130/0x360 [10319.431998][ T10] netlink_unicast+0x449/0x710 [10319.431998][ T10] netlink_sendmsg+0x723/0xbe0 [10319.431998][ T10] ____sys_sendmsg+0x7b2/0xa10 [10319.431998][ T10] ___sys_sendmsg+0xee/0x170 [10319.431998][ T10] __sys_sendmsg+0xcd/0x170 [10319.431998][ T10] do_syscall_64+0xc6/0x1e0 [10319.431998][ T10] [10319.450333][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10319.450333][ T10] ipv6_add_dev+0x3ba/0x11c0 [10319.450333][ T10] ipv6_find_idev+0x102/0x170 [10319.450333][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10319.450333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10319.450333][ T10] netlink_rcv_skb+0x130/0x360 [10319.450333][ T10] netlink_unicast+0x449/0x710 [10319.450333][ T10] netlink_sendmsg+0x723/0xbe0 [10319.450333][ T10] ____sys_sendmsg+0x7b2/0xa10 [10319.450333][ T10] ___sys_sendmsg+0xee/0x170 [10319.450333][ T10] __sys_sendmsg+0xcd/0x170 [10319.450333][ T10] do_syscall_64+0xc6/0x1e0 [10319.450333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10319.450333][ T10] [10319.453695][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10319.453695][ T10] neigh_parms_alloc+0x1e5/0x510 [10319.453695][ T10] ipv6_add_dev+0x2fe/0x11c0 [10319.453695][ T10] ipv6_find_idev+0x102/0x170 [10319.453695][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10319.453695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10319.453695][ T10] netlink_rcv_skb+0x130/0x360 [10319.453695][ T10] netlink_unicast+0x449/0x710 [10319.453695][ T10] netlink_sendmsg+0x723/0xbe0 [10319.453695][ T10] ____sys_sendmsg+0x7b2/0xa10 [10319.453695][ T10] ___sys_sendmsg+0xee/0x170 [10319.453695][ T10] __sys_sendmsg+0xcd/0x170 [10319.453695][ T10] do_syscall_64+0xc6/0x1e0 [10319.453695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10319.453695][ T10] [10319.529943][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10319.530728][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10319.530728][ T10] netdev_get_by_index+0x5e/0x80 [10319.530728][ T10] fib6_nh_init+0x3d8/0x1580 [10319.530728][ T10] ip6_route_info_create+0xf18/0x17d0 [10319.530728][ T10] addrconf_f6i_alloc+0x265/0x560 [10319.530728][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10319.530728][ T10] addrconf_join_anycast+0x1c0/0x220 [10319.530728][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10319.530728][ T10] addrconf_dad_completed+0x12b/0xe20 [10319.530728][ T10] addrconf_dad_begin+0x310/0x670 [10319.530728][ T10] addrconf_dad_work+0x10b/0xab0 [10319.530728][ T10] process_one_work+0x84d/0x18a0 [10319.530728][ T10] worker_thread+0x587/0xd30 [10319.530728][ T10] kthread+0x28a/0x350 [10319.530728][ T10] ret_from_fork+0x31/0x70 [10319.530728][ T10] ret_from_fork_asm+0x1a/0x30 [10319.530728][ T10] [10319.550800][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10319.550800][ T10] netdev_get_by_index+0x5e/0x80 [10319.550800][ T10] fib6_nh_init+0x3d8/0x1580 [10319.550800][ T10] ip6_route_info_create+0xf18/0x17d0 [10319.550800][ T10] ip6_route_add+0x1c/0x140 [10319.550800][ T10] addrconf_prefix_route+0x2a6/0x430 [10319.550800][ T10] inet6_addr_add+0x4f8/0xa40 [10319.550800][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10319.550800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10319.550800][ T10] netlink_rcv_skb+0x130/0x360 [10319.550800][ T10] netlink_unicast+0x449/0x710 [10319.550800][ T10] netlink_sendmsg+0x723/0xbe0 [10319.550800][ T10] ____sys_sendmsg+0x7b2/0xa10 [10319.550800][ T10] ___sys_sendmsg+0xee/0x170 [10319.550800][ T10] __sys_sendmsg+0xcd/0x170 [10319.550800][ T10] do_syscall_64+0xc6/0x1e0 [10319.550800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10319.550800][ T10] [10319.563839][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10319.563839][ T10] netdev_get_by_index+0x5e/0x80 [10319.563839][ T10] fib6_nh_init+0x3d8/0x1580 [10319.563839][ T10] ip6_route_info_create+0xf18/0x17d0 [10319.563839][ T10] addrconf_f6i_alloc+0x315/0x560 [10319.563839][ T10] ipv6_add_addr+0x411/0x2000 [10319.563839][ T10] inet6_addr_add+0x30e/0xa40 [10319.563839][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10319.563839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10319.563839][ T10] netlink_rcv_skb+0x130/0x360 [10319.563839][ T10] netlink_unicast+0x449/0x710 [10319.563839][ T10] netlink_sendmsg+0x723/0xbe0 [10319.563839][ T10] ____sys_sendmsg+0x7b2/0xa10 [10319.563839][ T10] ___sys_sendmsg+0xee/0x170 [10319.563839][ T10] __sys_sendmsg+0xcd/0x170 [10319.563839][ T10] do_syscall_64+0xc6/0x1e0 [10319.563839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10319.563839][ T10] [10319.632349][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10319.632349][ T10] netdev_get_by_index+0x5e/0x80 [10319.632349][ T10] fib6_nh_init+0x3d8/0x1580 [10319.632349][ T10] ip6_route_info_create+0xf18/0x17d0 [10319.632349][ T10] ip6_route_add+0x1c/0x140 [10319.632349][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10319.632349][ T10] addrconf_add_dev+0xe2/0x170 [10319.632349][ T10] inet6_addr_add+0x12f/0xa40 [10319.632349][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10319.632349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10319.632349][ T10] netlink_rcv_skb+0x130/0x360 [10319.632349][ T10] netlink_unicast+0x449/0x710 [10319.632349][ T10] netlink_sendmsg+0x723/0xbe0 [10319.632349][ T10] ____sys_sendmsg+0x7b2/0xa10 [10319.632349][ T10] ___sys_sendmsg+0xee/0x170 [10319.632349][ T10] __sys_sendmsg+0xcd/0x170 [10319.632349][ T10] do_syscall_64+0xc6/0x1e0 [10319.632349][ T10] [10319.652924][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10319.652924][ T10] ipv6_add_dev+0x3ba/0x11c0 [10319.652924][ T10] ipv6_find_idev+0x102/0x170 [10319.652924][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10319.652924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10319.652924][ T10] netlink_rcv_skb+0x130/0x360 [10319.652924][ T10] netlink_unicast+0x449/0x710 [10319.652924][ T10] netlink_sendmsg+0x723/0xbe0 [10319.652924][ T10] ____sys_sendmsg+0x7b2/0xa10 [10319.652924][ T10] ___sys_sendmsg+0xee/0x170 [10319.652924][ T10] __sys_sendmsg+0xcd/0x170 [10319.652924][ T10] do_syscall_64+0xc6/0x1e0 [10319.652924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10319.652924][ T10] [10319.656808][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10319.656808][ T10] neigh_parms_alloc+0x1e5/0x510 [10319.656808][ T10] ipv6_add_dev+0x2fe/0x11c0 [10319.656808][ T10] ipv6_find_idev+0x102/0x170 [10319.656808][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10319.656808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10319.656808][ T10] netlink_rcv_skb+0x130/0x360 [10319.656808][ T10] netlink_unicast+0x449/0x710 [10319.656808][ T10] netlink_sendmsg+0x723/0xbe0 [10319.656808][ T10] ____sys_sendmsg+0x7b2/0xa10 [10319.656808][ T10] ___sys_sendmsg+0xee/0x170 [10319.656808][ T10] __sys_sendmsg+0xcd/0x170 [10319.656808][ T10] do_syscall_64+0xc6/0x1e0 [10319.656808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10319.656808][ T10] [10319.750108][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10319.758321][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10319.758321][ T10] netdev_get_by_index+0x5e/0x80 [10319.758321][ T10] fib6_nh_init+0x3d8/0x1580 [10319.758321][ T10] ip6_route_info_create+0xf18/0x17d0 [10319.758321][ T10] addrconf_f6i_alloc+0x265/0x560 [10319.758321][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10319.758321][ T10] addrconf_join_anycast+0x1c0/0x220 [10319.758321][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10319.758321][ T10] addrconf_dad_completed+0x12b/0xe20 [10319.758321][ T10] addrconf_dad_begin+0x310/0x670 [10319.758321][ T10] addrconf_dad_work+0x10b/0xab0 [10319.758321][ T10] process_one_work+0x84d/0x18a0 [10319.758321][ T10] worker_thread+0x587/0xd30 [10319.758321][ T10] kthread+0x28a/0x350 [10319.758321][ T10] ret_from_fork+0x31/0x70 [10319.758321][ T10] ret_from_fork_asm+0x1a/0x30 [10319.758321][ T10] [10319.763029][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10319.763029][ T10] netdev_get_by_index+0x5e/0x80 [10319.763029][ T10] fib6_nh_init+0x3d8/0x1580 [10319.763029][ T10] ip6_route_info_create+0xf18/0x17d0 [10319.763029][ T10] ip6_route_add+0x1c/0x140 [10319.763029][ T10] addrconf_prefix_route+0x2a6/0x430 [10319.763029][ T10] inet6_addr_add+0x4f8/0xa40 [10319.763029][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10319.763029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10319.763029][ T10] netlink_rcv_skb+0x130/0x360 [10319.763029][ T10] netlink_unicast+0x449/0x710 [10319.763029][ T10] netlink_sendmsg+0x723/0xbe0 [10319.763029][ T10] ____sys_sendmsg+0x7b2/0xa10 [10319.763029][ T10] ___sys_sendmsg+0xee/0x170 [10319.763029][ T10] __sys_sendmsg+0xcd/0x170 [10319.763029][ T10] do_syscall_64+0xc6/0x1e0 [10319.763029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10319.763029][ T10] [10319.821746][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10319.821746][ T10] netdev_get_by_index+0x5e/0x80 [10319.821746][ T10] fib6_nh_init+0x3d8/0x1580 [10319.821746][ T10] ip6_route_info_create+0xf18/0x17d0 [10319.821746][ T10] addrconf_f6i_alloc+0x315/0x560 [10319.821746][ T10] ipv6_add_addr+0x411/0x2000 [10319.821746][ T10] inet6_addr_add+0x30e/0xa40 [10319.821746][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10319.821746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10319.821746][ T10] netlink_rcv_skb+0x130/0x360 [10319.821746][ T10] netlink_unicast+0x449/0x710 [10319.821746][ T10] netlink_sendmsg+0x723/0xbe0 [10319.821746][ T10] ____sys_sendmsg+0x7b2/0xa10 [10319.821746][ T10] ___sys_sendmsg+0xee/0x170 [10319.821746][ T10] __sys_sendmsg+0xcd/0x170 [10319.821746][ T10] do_syscall_64+0xc6/0x1e0 [10319.821746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10319.821746][ T10] [10319.842808][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10319.842808][ T10] netdev_get_by_index+0x5e/0x80 [10319.842808][ T10] fib6_nh_init+0x3d8/0x1580 [10319.842808][ T10] ip6_route_info_create+0xf18/0x17d0 [10319.842808][ T10] ip6_route_add+0x1c/0x140 [10319.842808][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10319.842808][ T10] addrconf_add_dev+0xe2/0x170 [10319.842808][ T10] inet6_addr_add+0x12f/0xa40 [10319.842808][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10319.842808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10319.842808][ T10] netlink_rcv_skb+0x130/0x360 [10319.842808][ T10] netlink_unicast+0x449/0x710 [10319.842808][ T10] netlink_sendmsg+0x723/0xbe0 [10319.842808][ T10] ____sys_sendmsg+0x7b2/0xa10 [10319.842808][ T10] ___sys_sendmsg+0xee/0x170 [10319.842808][ T10] __sys_sendmsg+0xcd/0x170 [10319.842808][ T10] do_syscall_64+0xc6/0x1e0 [10319.842808][ T10] [10319.889149][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10319.889149][ T10] ipv6_add_dev+0x3ba/0x11c0 [10319.889149][ T10] ipv6_find_idev+0x102/0x170 [10319.889149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10319.889149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10319.889149][ T10] netlink_rcv_skb+0x130/0x360 [10319.889149][ T10] netlink_unicast+0x449/0x710 [10319.889149][ T10] netlink_sendmsg+0x723/0xbe0 [10319.889149][ T10] ____sys_sendmsg+0x7b2/0xa10 [10319.889149][ T10] ___sys_sendmsg+0xee/0x170 [10319.889149][ T10] __sys_sendmsg+0xcd/0x170 [10319.889149][ T10] do_syscall_64+0xc6/0x1e0 [10319.889149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10319.889149][ T10] [10319.916766][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10319.916766][ T10] neigh_parms_alloc+0x1e5/0x510 [10319.916766][ T10] ipv6_add_dev+0x2fe/0x11c0 [10319.916766][ T10] ipv6_find_idev+0x102/0x170 [10319.916766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10319.916766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10319.916766][ T10] netlink_rcv_skb+0x130/0x360 [10319.916766][ T10] netlink_unicast+0x449/0x710 [10319.916766][ T10] netlink_sendmsg+0x723/0xbe0 [10319.916766][ T10] ____sys_sendmsg+0x7b2/0xa10 [10319.916766][ T10] ___sys_sendmsg+0xee/0x170 [10319.916766][ T10] __sys_sendmsg+0xcd/0x170 [10319.916766][ T10] do_syscall_64+0xc6/0x1e0 [10319.916766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10319.916766][ T10] [10326.465302][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10326.540904][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10326.540904][ T1167] dst_init+0x84/0x4a0 [10326.540904][ T1167] dst_alloc+0x97/0x150 [10326.540904][ T1167] ip6_dst_alloc+0x23/0x90 [10326.540904][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10326.540904][ T1167] ip6_pol_route+0x56f/0x840 [10326.540904][ T1167] fib6_rule_lookup+0x334/0x630 [10326.540904][ T1167] ip6_route_output_flags+0x259/0x480 [10326.540904][ T1167] inet6_rtm_getroute+0x980/0xf70 [10326.540904][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10326.540904][ T1167] netlink_rcv_skb+0x130/0x360 [10326.540904][ T1167] netlink_unicast+0x449/0x710 [10326.540904][ T1167] netlink_sendmsg+0x723/0xbe0 [10326.540904][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10326.540904][ T1167] ___sys_sendmsg+0xee/0x170 [10326.540904][ T1167] __sys_sendmsg+0xcd/0x170 [10326.540904][ T1167] do_syscall_64+0xc6/0x1e0 [10326.540904][ T1167] [10326.547631][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10326.547631][ T1167] netdev_get_by_index+0x5e/0x80 [10326.547631][ T1167] fib6_nh_init+0x3d8/0x1580 [10326.547631][ T1167] ip6_route_info_create+0xf18/0x17d0 [10326.547631][ T1167] addrconf_f6i_alloc+0x265/0x560 [10326.547631][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10326.547631][ T1167] addrconf_join_anycast+0x1c0/0x220 [10326.547631][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10326.547631][ T1167] addrconf_dad_completed+0x12b/0xe20 [10326.547631][ T1167] addrconf_dad_begin+0x310/0x670 [10326.547631][ T1167] addrconf_dad_work+0x10b/0xab0 [10326.547631][ T1167] process_one_work+0x84d/0x18a0 [10326.547631][ T1167] worker_thread+0x587/0xd30 [10326.547631][ T1167] kthread+0x28a/0x350 [10326.547631][ T1167] ret_from_fork+0x31/0x70 [10326.547631][ T1167] ret_from_fork_asm+0x1a/0x30 [10326.547631][ T1167] [10326.554083][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10326.554083][ T1167] netdev_get_by_index+0x5e/0x80 [10326.554083][ T1167] fib6_nh_init+0x3d8/0x1580 [10326.554083][ T1167] ip6_route_info_create+0xf18/0x17d0 [10326.554083][ T1167] ip6_route_add+0x1c/0x140 [10326.554083][ T1167] addrconf_prefix_route+0x2a6/0x430 [10326.554083][ T1167] inet6_addr_add+0x4f8/0xa40 [10326.554083][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10326.554083][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10326.554083][ T1167] netlink_rcv_skb+0x130/0x360 [10326.554083][ T1167] netlink_unicast+0x449/0x710 [10326.554083][ T1167] netlink_sendmsg+0x723/0xbe0 [10326.554083][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10326.554083][ T1167] ___sys_sendmsg+0xee/0x170 [10326.554083][ T1167] __sys_sendmsg+0xcd/0x170 [10326.554083][ T1167] do_syscall_64+0xc6/0x1e0 [10326.554083][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10326.554083][ T1167] [10326.570815][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10326.570815][ T1167] netdev_get_by_index+0x5e/0x80 [10326.570815][ T1167] fib6_nh_init+0x3d8/0x1580 [10326.570815][ T1167] ip6_route_info_create+0xf18/0x17d0 [10326.570815][ T1167] addrconf_f6i_alloc+0x315/0x560 [10326.570815][ T1167] ipv6_add_addr+0x411/0x2000 [10326.570815][ T1167] inet6_addr_add+0x30e/0xa40 [10326.570815][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10326.570815][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10326.570815][ T1167] netlink_rcv_skb+0x130/0x360 [10326.570815][ T1167] netlink_unicast+0x449/0x710 [10326.570815][ T1167] netlink_sendmsg+0x723/0xbe0 [10326.570815][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10326.570815][ T1167] ___sys_sendmsg+0xee/0x170 [10326.570815][ T1167] __sys_sendmsg+0xcd/0x170 [10326.570815][ T1167] do_syscall_64+0xc6/0x1e0 [10326.570815][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10326.570815][ T1167] [10326.623466][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10326.623466][ T1167] netdev_get_by_index+0x5e/0x80 [10326.623466][ T1167] fib6_nh_init+0x3d8/0x1580 [10326.623466][ T1167] ip6_route_info_create+0xf18/0x17d0 [10326.623466][ T1167] ip6_route_add+0x1c/0x140 [10326.623466][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10326.623466][ T1167] addrconf_add_dev+0xe2/0x170 [10326.623466][ T1167] inet6_addr_add+0x12f/0xa40 [10326.623466][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10326.623466][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10326.623466][ T1167] netlink_rcv_skb+0x130/0x360 [10326.623466][ T1167] netlink_unicast+0x449/0x710 [10326.623466][ T1167] netlink_sendmsg+0x723/0xbe0 [10326.623466][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10326.623466][ T1167] ___sys_sendmsg+0xee/0x170 [10326.623466][ T1167] __sys_sendmsg+0xcd/0x170 [10326.623466][ T1167] do_syscall_64+0xc6/0x1e0 [10326.623466][ T1167] [10326.644311][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10326.644311][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10326.644311][ T1167] ipv6_find_idev+0x102/0x170 [10326.644311][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10326.644311][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10326.644311][ T1167] netlink_rcv_skb+0x130/0x360 [10326.644311][ T1167] netlink_unicast+0x449/0x710 [10326.644311][ T1167] netlink_sendmsg+0x723/0xbe0 [10326.644311][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10326.644311][ T1167] ___sys_sendmsg+0xee/0x170 [10326.644311][ T1167] __sys_sendmsg+0xcd/0x170 [10326.644311][ T1167] do_syscall_64+0xc6/0x1e0 [10326.644311][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10326.644311][ T1167] [10326.681620][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10326.681620][ T1167] neigh_parms_alloc+0x1e5/0x510 [10326.681620][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10326.681620][ T1167] ipv6_find_idev+0x102/0x170 [10326.681620][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10326.681620][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10326.681620][ T1167] netlink_rcv_skb+0x130/0x360 [10326.681620][ T1167] netlink_unicast+0x449/0x710 [10326.681620][ T1167] netlink_sendmsg+0x723/0xbe0 [10326.681620][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10326.681620][ T1167] ___sys_sendmsg+0xee/0x170 [10326.681620][ T1167] __sys_sendmsg+0xcd/0x170 [10326.681620][ T1167] do_syscall_64+0xc6/0x1e0 [10326.681620][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10326.681620][ T1167] [10330.049388][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10330.060610][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10330.060610][ T10] netdev_get_by_index+0x5e/0x80 [10330.060610][ T10] fib6_nh_init+0x3d8/0x1580 [10330.060610][ T10] ip6_route_info_create+0xf18/0x17d0 [10330.060610][ T10] addrconf_f6i_alloc+0x265/0x560 [10330.060610][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10330.060610][ T10] addrconf_join_anycast+0x1c0/0x220 [10330.060610][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10330.060610][ T10] addrconf_dad_completed+0x12b/0xe20 [10330.060610][ T10] addrconf_dad_begin+0x310/0x670 [10330.060610][ T10] addrconf_dad_work+0x10b/0xab0 [10330.060610][ T10] process_one_work+0x84d/0x18a0 [10330.060610][ T10] worker_thread+0x587/0xd30 [10330.060610][ T10] kthread+0x28a/0x350 [10330.060610][ T10] ret_from_fork+0x31/0x70 [10330.060610][ T10] ret_from_fork_asm+0x1a/0x30 [10330.060610][ T10] [10330.064958][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10330.064958][ T10] netdev_get_by_index+0x5e/0x80 [10330.064958][ T10] fib6_nh_init+0x3d8/0x1580 [10330.064958][ T10] ip6_route_info_create+0xf18/0x17d0 [10330.064958][ T10] ip6_route_add+0x1c/0x140 [10330.064958][ T10] addrconf_prefix_route+0x2a6/0x430 [10330.064958][ T10] inet6_addr_add+0x4f8/0xa40 [10330.064958][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10330.064958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10330.064958][ T10] netlink_rcv_skb+0x130/0x360 [10330.064958][ T10] netlink_unicast+0x449/0x710 [10330.064958][ T10] netlink_sendmsg+0x723/0xbe0 [10330.064958][ T10] ____sys_sendmsg+0x7b2/0xa10 [10330.064958][ T10] ___sys_sendmsg+0xee/0x170 [10330.064958][ T10] __sys_sendmsg+0xcd/0x170 [10330.064958][ T10] do_syscall_64+0xc6/0x1e0 [10330.064958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10330.064958][ T10] [10330.081372][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10330.081372][ T10] netdev_get_by_index+0x5e/0x80 [10330.081372][ T10] fib6_nh_init+0x3d8/0x1580 [10330.081372][ T10] ip6_route_info_create+0xf18/0x17d0 [10330.081372][ T10] addrconf_f6i_alloc+0x315/0x560 [10330.081372][ T10] ipv6_add_addr+0x411/0x2000 [10330.081372][ T10] inet6_addr_add+0x30e/0xa40 [10330.081372][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10330.081372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10330.081372][ T10] netlink_rcv_skb+0x130/0x360 [10330.081372][ T10] netlink_unicast+0x449/0x710 [10330.081372][ T10] netlink_sendmsg+0x723/0xbe0 [10330.081372][ T10] ____sys_sendmsg+0x7b2/0xa10 [10330.081372][ T10] ___sys_sendmsg+0xee/0x170 [10330.081372][ T10] __sys_sendmsg+0xcd/0x170 [10330.081372][ T10] do_syscall_64+0xc6/0x1e0 [10330.081372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10330.081372][ T10] [10330.103458][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10330.103458][ T10] netdev_get_by_index+0x5e/0x80 [10330.103458][ T10] fib6_nh_init+0x3d8/0x1580 [10330.103458][ T10] ip6_route_info_create+0xf18/0x17d0 [10330.103458][ T10] ip6_route_add+0x1c/0x140 [10330.103458][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10330.103458][ T10] addrconf_add_dev+0xe2/0x170 [10330.103458][ T10] inet6_addr_add+0x12f/0xa40 [10330.103458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10330.103458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10330.103458][ T10] netlink_rcv_skb+0x130/0x360 [10330.103458][ T10] netlink_unicast+0x449/0x710 [10330.103458][ T10] netlink_sendmsg+0x723/0xbe0 [10330.103458][ T10] ____sys_sendmsg+0x7b2/0xa10 [10330.103458][ T10] ___sys_sendmsg+0xee/0x170 [10330.103458][ T10] __sys_sendmsg+0xcd/0x170 [10330.103458][ T10] do_syscall_64+0xc6/0x1e0 [10330.103458][ T10] [10330.131958][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10330.131958][ T10] ipv6_add_dev+0x3ba/0x11c0 [10330.131958][ T10] ipv6_find_idev+0x102/0x170 [10330.131958][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10330.131958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10330.131958][ T10] netlink_rcv_skb+0x130/0x360 [10330.131958][ T10] netlink_unicast+0x449/0x710 [10330.131958][ T10] netlink_sendmsg+0x723/0xbe0 [10330.131958][ T10] ____sys_sendmsg+0x7b2/0xa10 [10330.131958][ T10] ___sys_sendmsg+0xee/0x170 [10330.131958][ T10] __sys_sendmsg+0xcd/0x170 [10330.131958][ T10] do_syscall_64+0xc6/0x1e0 [10330.131958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10330.131958][ T10] [10330.170703][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10330.170703][ T10] neigh_parms_alloc+0x1e5/0x510 [10330.170703][ T10] ipv6_add_dev+0x2fe/0x11c0 [10330.170703][ T10] ipv6_find_idev+0x102/0x170 [10330.170703][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10330.170703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10330.170703][ T10] netlink_rcv_skb+0x130/0x360 [10330.170703][ T10] netlink_unicast+0x449/0x710 [10330.170703][ T10] netlink_sendmsg+0x723/0xbe0 [10330.170703][ T10] ____sys_sendmsg+0x7b2/0xa10 [10330.170703][ T10] ___sys_sendmsg+0xee/0x170 [10330.170703][ T10] __sys_sendmsg+0xcd/0x170 [10330.170703][ T10] do_syscall_64+0xc6/0x1e0 [10330.170703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10330.170703][ T10] [10330.199553][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10330.200185][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10330.200185][ T10] netdev_get_by_index+0x5e/0x80 [10330.200185][ T10] fib6_nh_init+0x3d8/0x1580 [10330.200185][ T10] ip6_route_info_create+0xf18/0x17d0 [10330.200185][ T10] addrconf_f6i_alloc+0x265/0x560 [10330.200185][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10330.200185][ T10] addrconf_join_anycast+0x1c0/0x220 [10330.200185][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10330.200185][ T10] addrconf_dad_completed+0x12b/0xe20 [10330.200185][ T10] addrconf_dad_begin+0x310/0x670 [10330.200185][ T10] addrconf_dad_work+0x10b/0xab0 [10330.200185][ T10] process_one_work+0x84d/0x18a0 [10330.200185][ T10] worker_thread+0x587/0xd30 [10330.200185][ T10] kthread+0x28a/0x350 [10330.200185][ T10] ret_from_fork+0x31/0x70 [10330.200185][ T10] ret_from_fork_asm+0x1a/0x30 [10330.200185][ T10] [10330.232435][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10330.232435][ T10] netdev_get_by_index+0x5e/0x80 [10330.232435][ T10] fib6_nh_init+0x3d8/0x1580 [10330.232435][ T10] ip6_route_info_create+0xf18/0x17d0 [10330.232435][ T10] ip6_route_add+0x1c/0x140 [10330.232435][ T10] addrconf_prefix_route+0x2a6/0x430 [10330.232435][ T10] inet6_addr_add+0x4f8/0xa40 [10330.232435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10330.232435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10330.232435][ T10] netlink_rcv_skb+0x130/0x360 [10330.232435][ T10] netlink_unicast+0x449/0x710 [10330.232435][ T10] netlink_sendmsg+0x723/0xbe0 [10330.232435][ T10] ____sys_sendmsg+0x7b2/0xa10 [10330.232435][ T10] ___sys_sendmsg+0xee/0x170 [10330.232435][ T10] __sys_sendmsg+0xcd/0x170 [10330.232435][ T10] do_syscall_64+0xc6/0x1e0 [10330.232435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10330.232435][ T10] [10330.293045][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10330.293045][ T10] netdev_get_by_index+0x5e/0x80 [10330.293045][ T10] fib6_nh_init+0x3d8/0x1580 [10330.293045][ T10] ip6_route_info_create+0xf18/0x17d0 [10330.293045][ T10] addrconf_f6i_alloc+0x315/0x560 [10330.293045][ T10] ipv6_add_addr+0x411/0x2000 [10330.293045][ T10] inet6_addr_add+0x30e/0xa40 [10330.293045][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10330.293045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10330.293045][ T10] netlink_rcv_skb+0x130/0x360 [10330.293045][ T10] netlink_unicast+0x449/0x710 [10330.293045][ T10] netlink_sendmsg+0x723/0xbe0 [10330.293045][ T10] ____sys_sendmsg+0x7b2/0xa10 [10330.293045][ T10] ___sys_sendmsg+0xee/0x170 [10330.293045][ T10] __sys_sendmsg+0xcd/0x170 [10330.293045][ T10] do_syscall_64+0xc6/0x1e0 [10330.293045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10330.293045][ T10] [10330.324286][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10330.324286][ T10] netdev_get_by_index+0x5e/0x80 [10330.324286][ T10] fib6_nh_init+0x3d8/0x1580 [10330.324286][ T10] ip6_route_info_create+0xf18/0x17d0 [10330.324286][ T10] ip6_route_add+0x1c/0x140 [10330.324286][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10330.324286][ T10] addrconf_add_dev+0xe2/0x170 [10330.324286][ T10] inet6_addr_add+0x12f/0xa40 [10330.324286][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10330.324286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10330.324286][ T10] netlink_rcv_skb+0x130/0x360 [10330.324286][ T10] netlink_unicast+0x449/0x710 [10330.324286][ T10] netlink_sendmsg+0x723/0xbe0 [10330.324286][ T10] ____sys_sendmsg+0x7b2/0xa10 [10330.324286][ T10] ___sys_sendmsg+0xee/0x170 [10330.324286][ T10] __sys_sendmsg+0xcd/0x170 [10330.324286][ T10] do_syscall_64+0xc6/0x1e0 [10330.324286][ T10] [10330.400535][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10330.400535][ T10] ipv6_add_dev+0x3ba/0x11c0 [10330.400535][ T10] ipv6_find_idev+0x102/0x170 [10330.400535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10330.400535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10330.400535][ T10] netlink_rcv_skb+0x130/0x360 [10330.400535][ T10] netlink_unicast+0x449/0x710 [10330.400535][ T10] netlink_sendmsg+0x723/0xbe0 [10330.400535][ T10] ____sys_sendmsg+0x7b2/0xa10 [10330.400535][ T10] ___sys_sendmsg+0xee/0x170 [10330.400535][ T10] __sys_sendmsg+0xcd/0x170 [10330.400535][ T10] do_syscall_64+0xc6/0x1e0 [10330.400535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10330.400535][ T10] [10330.426167][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10330.426167][ T10] neigh_parms_alloc+0x1e5/0x510 [10330.426167][ T10] ipv6_add_dev+0x2fe/0x11c0 [10330.426167][ T10] ipv6_find_idev+0x102/0x170 [10330.426167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10330.426167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10330.426167][ T10] netlink_rcv_skb+0x130/0x360 [10330.426167][ T10] netlink_unicast+0x449/0x710 [10330.426167][ T10] netlink_sendmsg+0x723/0xbe0 [10330.426167][ T10] ____sys_sendmsg+0x7b2/0xa10 [10330.426167][ T10] ___sys_sendmsg+0xee/0x170 [10330.426167][ T10] __sys_sendmsg+0xcd/0x170 [10330.426167][ T10] do_syscall_64+0xc6/0x1e0 [10330.426167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10330.426167][ T10] [10330.470038][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10330.470811][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10330.470811][ T10] netdev_get_by_index+0x5e/0x80 [10330.470811][ T10] fib6_nh_init+0x3d8/0x1580 [10330.470811][ T10] ip6_route_info_create+0xf18/0x17d0 [10330.470811][ T10] addrconf_f6i_alloc+0x265/0x560 [10330.470811][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10330.470811][ T10] addrconf_join_anycast+0x1c0/0x220 [10330.470811][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10330.470811][ T10] addrconf_dad_completed+0x12b/0xe20 [10330.470811][ T10] addrconf_dad_begin+0x310/0x670 [10330.470811][ T10] addrconf_dad_work+0x10b/0xab0 [10330.470811][ T10] process_one_work+0x84d/0x18a0 [10330.470811][ T10] worker_thread+0x587/0xd30 [10330.470811][ T10] kthread+0x28a/0x350 [10330.470811][ T10] ret_from_fork+0x31/0x70 [10330.470811][ T10] ret_from_fork_asm+0x1a/0x30 [10330.470811][ T10] [10330.475136][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10330.475136][ T10] netdev_get_by_index+0x5e/0x80 [10330.475136][ T10] fib6_nh_init+0x3d8/0x1580 [10330.475136][ T10] ip6_route_info_create+0xf18/0x17d0 [10330.475136][ T10] ip6_route_add+0x1c/0x140 [10330.475136][ T10] addrconf_prefix_route+0x2a6/0x430 [10330.475136][ T10] inet6_addr_add+0x4f8/0xa40 [10330.475136][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10330.475136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10330.475136][ T10] netlink_rcv_skb+0x130/0x360 [10330.475136][ T10] netlink_unicast+0x449/0x710 [10330.475136][ T10] netlink_sendmsg+0x723/0xbe0 [10330.475136][ T10] ____sys_sendmsg+0x7b2/0xa10 [10330.475136][ T10] ___sys_sendmsg+0xee/0x170 [10330.475136][ T10] __sys_sendmsg+0xcd/0x170 [10330.475136][ T10] do_syscall_64+0xc6/0x1e0 [10330.475136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10330.475136][ T10] [10330.520161][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10330.520161][ T10] netdev_get_by_index+0x5e/0x80 [10330.520161][ T10] fib6_nh_init+0x3d8/0x1580 [10330.520161][ T10] ip6_route_info_create+0xf18/0x17d0 [10330.520161][ T10] addrconf_f6i_alloc+0x315/0x560 [10330.520161][ T10] ipv6_add_addr+0x411/0x2000 [10330.520161][ T10] inet6_addr_add+0x30e/0xa40 [10330.520161][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10330.520161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10330.520161][ T10] netlink_rcv_skb+0x130/0x360 [10330.520161][ T10] netlink_unicast+0x449/0x710 [10330.520161][ T10] netlink_sendmsg+0x723/0xbe0 [10330.520161][ T10] ____sys_sendmsg+0x7b2/0xa10 [10330.520161][ T10] ___sys_sendmsg+0xee/0x170 [10330.520161][ T10] __sys_sendmsg+0xcd/0x170 [10330.520161][ T10] do_syscall_64+0xc6/0x1e0 [10330.520161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10330.520161][ T10] [10330.553568][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10330.553568][ T10] netdev_get_by_index+0x5e/0x80 [10330.553568][ T10] fib6_nh_init+0x3d8/0x1580 [10330.553568][ T10] ip6_route_info_create+0xf18/0x17d0 [10330.553568][ T10] ip6_route_add+0x1c/0x140 [10330.553568][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10330.553568][ T10] addrconf_add_dev+0xe2/0x170 [10330.553568][ T10] inet6_addr_add+0x12f/0xa40 [10330.553568][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10330.553568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10330.553568][ T10] netlink_rcv_skb+0x130/0x360 [10330.553568][ T10] netlink_unicast+0x449/0x710 [10330.553568][ T10] netlink_sendmsg+0x723/0xbe0 [10330.553568][ T10] ____sys_sendmsg+0x7b2/0xa10 [10330.553568][ T10] ___sys_sendmsg+0xee/0x170 [10330.553568][ T10] __sys_sendmsg+0xcd/0x170 [10330.553568][ T10] do_syscall_64+0xc6/0x1e0 [10330.553568][ T10] [10330.573315][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10330.573315][ T10] ipv6_add_dev+0x3ba/0x11c0 [10330.573315][ T10] ipv6_find_idev+0x102/0x170 [10330.573315][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10330.573315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10330.573315][ T10] netlink_rcv_skb+0x130/0x360 [10330.573315][ T10] netlink_unicast+0x449/0x710 [10330.573315][ T10] netlink_sendmsg+0x723/0xbe0 [10330.573315][ T10] ____sys_sendmsg+0x7b2/0xa10 [10330.573315][ T10] ___sys_sendmsg+0xee/0x170 [10330.573315][ T10] __sys_sendmsg+0xcd/0x170 [10330.573315][ T10] do_syscall_64+0xc6/0x1e0 [10330.573315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10330.573315][ T10] [10330.640350][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10330.640350][ T10] neigh_parms_alloc+0x1e5/0x510 [10330.640350][ T10] ipv6_add_dev+0x2fe/0x11c0 [10330.640350][ T10] ipv6_find_idev+0x102/0x170 [10330.640350][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10330.640350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10330.640350][ T10] netlink_rcv_skb+0x130/0x360 [10330.640350][ T10] netlink_unicast+0x449/0x710 [10330.640350][ T10] netlink_sendmsg+0x723/0xbe0 [10330.640350][ T10] ____sys_sendmsg+0x7b2/0xa10 [10330.640350][ T10] ___sys_sendmsg+0xee/0x170 [10330.640350][ T10] __sys_sendmsg+0xcd/0x170 [10330.640350][ T10] do_syscall_64+0xc6/0x1e0 [10330.640350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10330.640350][ T10] [10330.670076][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10330.670971][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10330.670971][ T10] netdev_get_by_index+0x5e/0x80 [10330.670971][ T10] fib6_nh_init+0x3d8/0x1580 [10330.670971][ T10] ip6_route_info_create+0xf18/0x17d0 [10330.670971][ T10] addrconf_f6i_alloc+0x265/0x560 [10330.670971][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10330.670971][ T10] addrconf_join_anycast+0x1c0/0x220 [10330.670971][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10330.670971][ T10] addrconf_dad_completed+0x12b/0xe20 [10330.670971][ T10] addrconf_dad_begin+0x310/0x670 [10330.670971][ T10] addrconf_dad_work+0x10b/0xab0 [10330.670971][ T10] process_one_work+0x84d/0x18a0 [10330.670971][ T10] worker_thread+0x587/0xd30 [10330.670971][ T10] kthread+0x28a/0x350 [10330.670971][ T10] ret_from_fork+0x31/0x70 [10330.670971][ T10] ret_from_fork_asm+0x1a/0x30 [10330.670971][ T10] [10330.680969][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10330.680969][ T10] netdev_get_by_index+0x5e/0x80 [10330.680969][ T10] fib6_nh_init+0x3d8/0x1580 [10330.680969][ T10] ip6_route_info_create+0xf18/0x17d0 [10330.680969][ T10] ip6_route_add+0x1c/0x140 [10330.680969][ T10] addrconf_prefix_route+0x2a6/0x430 [10330.680969][ T10] inet6_addr_add+0x4f8/0xa40 [10330.680969][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10330.680969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10330.680969][ T10] netlink_rcv_skb+0x130/0x360 [10330.680969][ T10] netlink_unicast+0x449/0x710 [10330.680969][ T10] netlink_sendmsg+0x723/0xbe0 [10330.680969][ T10] ____sys_sendmsg+0x7b2/0xa10 [10330.680969][ T10] ___sys_sendmsg+0xee/0x170 [10330.680969][ T10] __sys_sendmsg+0xcd/0x170 [10330.680969][ T10] do_syscall_64+0xc6/0x1e0 [10330.680969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10330.680969][ T10] [10330.732322][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10330.732322][ T10] netdev_get_by_index+0x5e/0x80 [10330.732322][ T10] fib6_nh_init+0x3d8/0x1580 [10330.732322][ T10] ip6_route_info_create+0xf18/0x17d0 [10330.732322][ T10] addrconf_f6i_alloc+0x315/0x560 [10330.732322][ T10] ipv6_add_addr+0x411/0x2000 [10330.732322][ T10] inet6_addr_add+0x30e/0xa40 [10330.732322][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10330.732322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10330.732322][ T10] netlink_rcv_skb+0x130/0x360 [10330.732322][ T10] netlink_unicast+0x449/0x710 [10330.732322][ T10] netlink_sendmsg+0x723/0xbe0 [10330.732322][ T10] ____sys_sendmsg+0x7b2/0xa10 [10330.732322][ T10] ___sys_sendmsg+0xee/0x170 [10330.732322][ T10] __sys_sendmsg+0xcd/0x170 [10330.732322][ T10] do_syscall_64+0xc6/0x1e0 [10330.732322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10330.732322][ T10] [10330.752174][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10330.752174][ T10] netdev_get_by_index+0x5e/0x80 [10330.752174][ T10] fib6_nh_init+0x3d8/0x1580 [10330.752174][ T10] ip6_route_info_create+0xf18/0x17d0 [10330.752174][ T10] ip6_route_add+0x1c/0x140 [10330.752174][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10330.752174][ T10] addrconf_add_dev+0xe2/0x170 [10330.752174][ T10] inet6_addr_add+0x12f/0xa40 [10330.752174][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10330.752174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10330.752174][ T10] netlink_rcv_skb+0x130/0x360 [10330.752174][ T10] netlink_unicast+0x449/0x710 [10330.752174][ T10] netlink_sendmsg+0x723/0xbe0 [10330.752174][ T10] ____sys_sendmsg+0x7b2/0xa10 [10330.752174][ T10] ___sys_sendmsg+0xee/0x170 [10330.752174][ T10] __sys_sendmsg+0xcd/0x170 [10330.752174][ T10] do_syscall_64+0xc6/0x1e0 [10330.752174][ T10] [10330.790037][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10330.790037][ T10] ipv6_add_dev+0x3ba/0x11c0 [10330.790037][ T10] ipv6_find_idev+0x102/0x170 [10330.790037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10330.790037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10330.790037][ T10] netlink_rcv_skb+0x130/0x360 [10330.790037][ T10] netlink_unicast+0x449/0x710 [10330.790037][ T10] netlink_sendmsg+0x723/0xbe0 [10330.790037][ T10] ____sys_sendmsg+0x7b2/0xa10 [10330.790037][ T10] ___sys_sendmsg+0xee/0x170 [10330.790037][ T10] __sys_sendmsg+0xcd/0x170 [10330.790037][ T10] do_syscall_64+0xc6/0x1e0 [10330.790037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10330.790037][ T10] [10330.819847][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10330.819847][ T10] neigh_parms_alloc+0x1e5/0x510 [10330.819847][ T10] ipv6_add_dev+0x2fe/0x11c0 [10330.819847][ T10] ipv6_find_idev+0x102/0x170 [10330.819847][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10330.819847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10330.819847][ T10] netlink_rcv_skb+0x130/0x360 [10330.819847][ T10] netlink_unicast+0x449/0x710 [10330.819847][ T10] netlink_sendmsg+0x723/0xbe0 [10330.819847][ T10] ____sys_sendmsg+0x7b2/0xa10 [10330.819847][ T10] ___sys_sendmsg+0xee/0x170 [10330.819847][ T10] __sys_sendmsg+0xcd/0x170 [10330.819847][ T10] do_syscall_64+0xc6/0x1e0 [10330.819847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10330.819847][ T10] [10336.817238][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10336.824713][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10336.824713][ T1167] dst_init+0x84/0x4a0 [10336.824713][ T1167] dst_alloc+0x97/0x150 [10336.824713][ T1167] ip6_dst_alloc+0x23/0x90 [10336.824713][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10336.824713][ T1167] ip6_pol_route+0x56f/0x840 [10336.824713][ T1167] fib6_rule_lookup+0x334/0x630 [10336.824713][ T1167] ip6_route_output_flags+0x259/0x480 [10336.824713][ T1167] inet6_rtm_getroute+0x980/0xf70 [10336.824713][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10336.824713][ T1167] netlink_rcv_skb+0x130/0x360 [10336.824713][ T1167] netlink_unicast+0x449/0x710 [10336.824713][ T1167] netlink_sendmsg+0x723/0xbe0 [10336.824713][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10336.824713][ T1167] ___sys_sendmsg+0xee/0x170 [10336.824713][ T1167] __sys_sendmsg+0xcd/0x170 [10336.824713][ T1167] do_syscall_64+0xc6/0x1e0 [10336.824713][ T1167] [10336.828724][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10336.828724][ T1167] netdev_get_by_index+0x5e/0x80 [10336.828724][ T1167] fib6_nh_init+0x3d8/0x1580 [10336.828724][ T1167] ip6_route_info_create+0xf18/0x17d0 [10336.828724][ T1167] addrconf_f6i_alloc+0x265/0x560 [10336.828724][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10336.828724][ T1167] addrconf_join_anycast+0x1c0/0x220 [10336.828724][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10336.828724][ T1167] addrconf_dad_completed+0x12b/0xe20 [10336.828724][ T1167] addrconf_dad_begin+0x310/0x670 [10336.828724][ T1167] addrconf_dad_work+0x10b/0xab0 [10336.828724][ T1167] process_one_work+0x84d/0x18a0 [10336.828724][ T1167] worker_thread+0x587/0xd30 [10336.828724][ T1167] kthread+0x28a/0x350 [10336.828724][ T1167] ret_from_fork+0x31/0x70 [10336.828724][ T1167] ret_from_fork_asm+0x1a/0x30 [10336.828724][ T1167] [10336.844850][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10336.844850][ T1167] netdev_get_by_index+0x5e/0x80 [10336.844850][ T1167] fib6_nh_init+0x3d8/0x1580 [10336.844850][ T1167] ip6_route_info_create+0xf18/0x17d0 [10336.844850][ T1167] ip6_route_add+0x1c/0x140 [10336.844850][ T1167] addrconf_prefix_route+0x2a6/0x430 [10336.844850][ T1167] inet6_addr_add+0x4f8/0xa40 [10336.844850][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10336.844850][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10336.844850][ T1167] netlink_rcv_skb+0x130/0x360 [10336.844850][ T1167] netlink_unicast+0x449/0x710 [10336.844850][ T1167] netlink_sendmsg+0x723/0xbe0 [10336.844850][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10336.844850][ T1167] ___sys_sendmsg+0xee/0x170 [10336.844850][ T1167] __sys_sendmsg+0xcd/0x170 [10336.844850][ T1167] do_syscall_64+0xc6/0x1e0 [10336.844850][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10336.844850][ T1167] [10336.861241][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10336.861241][ T1167] netdev_get_by_index+0x5e/0x80 [10336.861241][ T1167] fib6_nh_init+0x3d8/0x1580 [10336.861241][ T1167] ip6_route_info_create+0xf18/0x17d0 [10336.861241][ T1167] addrconf_f6i_alloc+0x315/0x560 [10336.861241][ T1167] ipv6_add_addr+0x411/0x2000 [10336.861241][ T1167] inet6_addr_add+0x30e/0xa40 [10336.861241][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10336.861241][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10336.861241][ T1167] netlink_rcv_skb+0x130/0x360 [10336.861241][ T1167] netlink_unicast+0x449/0x710 [10336.861241][ T1167] netlink_sendmsg+0x723/0xbe0 [10336.861241][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10336.861241][ T1167] ___sys_sendmsg+0xee/0x170 [10336.861241][ T1167] __sys_sendmsg+0xcd/0x170 [10336.861241][ T1167] do_syscall_64+0xc6/0x1e0 [10336.861241][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10336.861241][ T1167] [10336.867382][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10336.867382][ T1167] netdev_get_by_index+0x5e/0x80 [10336.867382][ T1167] fib6_nh_init+0x3d8/0x1580 [10336.867382][ T1167] ip6_route_info_create+0xf18/0x17d0 [10336.867382][ T1167] ip6_route_add+0x1c/0x140 [10336.867382][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10336.867382][ T1167] addrconf_add_dev+0xe2/0x170 [10336.867382][ T1167] inet6_addr_add+0x12f/0xa40 [10336.867382][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10336.867382][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10336.867382][ T1167] netlink_rcv_skb+0x130/0x360 [10336.867382][ T1167] netlink_unicast+0x449/0x710 [10336.867382][ T1167] netlink_sendmsg+0x723/0xbe0 [10336.867382][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10336.867382][ T1167] ___sys_sendmsg+0xee/0x170 [10336.867382][ T1167] __sys_sendmsg+0xcd/0x170 [10336.867382][ T1167] do_syscall_64+0xc6/0x1e0 [10336.867382][ T1167] [10336.911614][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10336.911614][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10336.911614][ T1167] ipv6_find_idev+0x102/0x170 [10336.911614][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10336.911614][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10336.911614][ T1167] netlink_rcv_skb+0x130/0x360 [10336.911614][ T1167] netlink_unicast+0x449/0x710 [10336.911614][ T1167] netlink_sendmsg+0x723/0xbe0 [10336.911614][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10336.911614][ T1167] ___sys_sendmsg+0xee/0x170 [10336.911614][ T1167] __sys_sendmsg+0xcd/0x170 [10336.911614][ T1167] do_syscall_64+0xc6/0x1e0 [10336.911614][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10336.911614][ T1167] [10336.943998][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10336.943998][ T1167] neigh_parms_alloc+0x1e5/0x510 [10336.943998][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10336.943998][ T1167] ipv6_find_idev+0x102/0x170 [10336.943998][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10336.943998][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10336.943998][ T1167] netlink_rcv_skb+0x130/0x360 [10336.943998][ T1167] netlink_unicast+0x449/0x710 [10336.943998][ T1167] netlink_sendmsg+0x723/0xbe0 [10336.943998][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10336.943998][ T1167] ___sys_sendmsg+0xee/0x170 [10336.943998][ T1167] __sys_sendmsg+0xcd/0x170 [10336.943998][ T1167] do_syscall_64+0xc6/0x1e0 [10336.943998][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10336.943998][ T1167] HARD STOP (9846.748259) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr [10340.959931][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10340.960816][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10340.960816][ T10] netdev_get_by_index+0x5e/0x80 [10340.960816][ T10] fib6_nh_init+0x3d8/0x1580 [10340.960816][ T10] ip6_route_info_create+0xf18/0x17d0 [10340.960816][ T10] addrconf_f6i_alloc+0x265/0x560 [10340.960816][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10340.960816][ T10] addrconf_join_anycast+0x1c0/0x220 [10340.960816][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10340.960816][ T10] addrconf_dad_completed+0x12b/0xe20 [10340.960816][ T10] addrconf_dad_begin+0x310/0x670 [10340.960816][ T10] addrconf_dad_work+0x10b/0xab0 [10340.960816][ T10] process_one_work+0x84d/0x18a0 [10340.960816][ T10] worker_thread+0x587/0xd30 [10340.960816][ T10] kthread+0x28a/0x350 [10340.960816][ T10] ret_from_fork+0x31/0x70 [10340.960816][ T10] ret_from_fork_asm+0x1a/0x30 [10340.960816][ T10] [10340.965087][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10340.965087][ T10] netdev_get_by_index+0x5e/0x80 [10340.965087][ T10] fib6_nh_init+0x3d8/0x1580 [10340.965087][ T10] ip6_route_info_create+0xf18/0x17d0 [10340.965087][ T10] ip6_route_add+0x1c/0x140 [10340.965087][ T10] addrconf_prefix_route+0x2a6/0x430 [10340.965087][ T10] inet6_addr_add+0x4f8/0xa40 [10340.965087][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10340.965087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10340.965087][ T10] netlink_rcv_skb+0x130/0x360 [10340.965087][ T10] netlink_unicast+0x449/0x710 [10340.965087][ T10] netlink_sendmsg+0x723/0xbe0 [10340.965087][ T10] ____sys_sendmsg+0x7b2/0xa10 [10340.965087][ T10] ___sys_sendmsg+0xee/0x170 [10340.965087][ T10] __sys_sendmsg+0xcd/0x170 [10340.965087][ T10] do_syscall_64+0xc6/0x1e0 [10340.965087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10340.965087][ T10] [10340.981416][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10340.981416][ T10] netdev_get_by_index+0x5e/0x80 [10340.981416][ T10] fib6_nh_init+0x3d8/0x1580 [10340.981416][ T10] ip6_route_info_create+0xf18/0x17d0 [10340.981416][ T10] addrconf_f6i_alloc+0x315/0x560 [10340.981416][ T10] ipv6_add_addr+0x411/0x2000 [10340.981416][ T10] inet6_addr_add+0x30e/0xa40 [10340.981416][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10340.981416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10340.981416][ T10] netlink_rcv_skb+0x130/0x360 [10340.981416][ T10] netlink_unicast+0x449/0x710 [10340.981416][ T10] netlink_sendmsg+0x723/0xbe0 [10340.981416][ T10] ____sys_sendmsg+0x7b2/0xa10 [10340.981416][ T10] ___sys_sendmsg+0xee/0x170 [10340.981416][ T10] __sys_sendmsg+0xcd/0x170 [10340.981416][ T10] do_syscall_64+0xc6/0x1e0 [10340.981416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10340.981416][ T10] [10341.020244][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10341.020244][ T10] netdev_get_by_index+0x5e/0x80 [10341.020244][ T10] fib6_nh_init+0x3d8/0x1580 [10341.020244][ T10] ip6_route_info_create+0xf18/0x17d0 [10341.020244][ T10] ip6_route_add+0x1c/0x140 [10341.020244][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10341.020244][ T10] addrconf_add_dev+0xe2/0x170 [10341.020244][ T10] inet6_addr_add+0x12f/0xa40 [10341.020244][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10341.020244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10341.020244][ T10] netlink_rcv_skb+0x130/0x360 [10341.020244][ T10] netlink_unicast+0x449/0x710 [10341.020244][ T10] netlink_sendmsg+0x723/0xbe0 [10341.020244][ T10] ____sys_sendmsg+0x7b2/0xa10 [10341.020244][ T10] ___sys_sendmsg+0xee/0x170 [10341.020244][ T10] __sys_sendmsg+0xcd/0x170 [10341.020244][ T10] do_syscall_64+0xc6/0x1e0 [10341.020244][ T10] [10341.063327][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10341.063327][ T10] ipv6_add_dev+0x3ba/0x11c0 [10341.063327][ T10] ipv6_find_idev+0x102/0x170 [10341.063327][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10341.063327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10341.063327][ T10] netlink_rcv_skb+0x130/0x360 [10341.063327][ T10] netlink_unicast+0x449/0x710 [10341.063327][ T10] netlink_sendmsg+0x723/0xbe0 [10341.063327][ T10] ____sys_sendmsg+0x7b2/0xa10 [10341.063327][ T10] ___sys_sendmsg+0xee/0x170 [10341.063327][ T10] __sys_sendmsg+0xcd/0x170 [10341.063327][ T10] do_syscall_64+0xc6/0x1e0 [10341.063327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10341.063327][ T10] [10341.066394][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10341.066394][ T10] neigh_parms_alloc+0x1e5/0x510 [10341.066394][ T10] ipv6_add_dev+0x2fe/0x11c0 [10341.066394][ T10] ipv6_find_idev+0x102/0x170 [10341.066394][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10341.066394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10341.066394][ T10] netlink_rcv_skb+0x130/0x360 [10341.066394][ T10] netlink_unicast+0x449/0x710 [10341.066394][ T10] netlink_sendmsg+0x723/0xbe0 [10341.066394][ T10] ____sys_sendmsg+0x7b2/0xa10 [10341.066394][ T10] ___sys_sendmsg+0xee/0x170 [10341.066394][ T10] __sys_sendmsg+0xcd/0x170 [10341.066394][ T10] do_syscall_64+0xc6/0x1e0 [10341.066394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10341.066394][ T10] [10341.069941][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10341.080580][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10341.080580][ T10] netdev_get_by_index+0x5e/0x80 [10341.080580][ T10] fib6_nh_init+0x3d8/0x1580 [10341.080580][ T10] ip6_route_info_create+0xf18/0x17d0 [10341.080580][ T10] addrconf_f6i_alloc+0x265/0x560 [10341.080580][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10341.080580][ T10] addrconf_join_anycast+0x1c0/0x220 [10341.080580][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10341.080580][ T10] addrconf_dad_completed+0x12b/0xe20 [10341.080580][ T10] addrconf_dad_begin+0x310/0x670 [10341.080580][ T10] addrconf_dad_work+0x10b/0xab0 [10341.080580][ T10] process_one_work+0x84d/0x18a0 [10341.080580][ T10] worker_thread+0x587/0xd30 [10341.080580][ T10] kthread+0x28a/0x350 [10341.080580][ T10] ret_from_fork+0x31/0x70 [10341.080580][ T10] ret_from_fork_asm+0x1a/0x30 [10341.080580][ T10] [10341.130598][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10341.130598][ T10] netdev_get_by_index+0x5e/0x80 [10341.130598][ T10] fib6_nh_init+0x3d8/0x1580 [10341.130598][ T10] ip6_route_info_create+0xf18/0x17d0 [10341.130598][ T10] ip6_route_add+0x1c/0x140 [10341.130598][ T10] addrconf_prefix_route+0x2a6/0x430 [10341.130598][ T10] inet6_addr_add+0x4f8/0xa40 [10341.130598][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10341.130598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10341.130598][ T10] netlink_rcv_skb+0x130/0x360 [10341.130598][ T10] netlink_unicast+0x449/0x710 [10341.130598][ T10] netlink_sendmsg+0x723/0xbe0 [10341.130598][ T10] ____sys_sendmsg+0x7b2/0xa10 [10341.130598][ T10] ___sys_sendmsg+0xee/0x170 [10341.130598][ T10] __sys_sendmsg+0xcd/0x170 [10341.130598][ T10] do_syscall_64+0xc6/0x1e0 [10341.130598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10341.130598][ T10] [10341.135031][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10341.135031][ T10] netdev_get_by_index+0x5e/0x80 [10341.135031][ T10] fib6_nh_init+0x3d8/0x1580 [10341.135031][ T10] ip6_route_info_create+0xf18/0x17d0 [10341.135031][ T10] addrconf_f6i_alloc+0x315/0x560 [10341.135031][ T10] ipv6_add_addr+0x411/0x2000 [10341.135031][ T10] inet6_addr_add+0x30e/0xa40 [10341.135031][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10341.135031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10341.135031][ T10] netlink_rcv_skb+0x130/0x360 [10341.135031][ T10] netlink_unicast+0x449/0x710 [10341.135031][ T10] netlink_sendmsg+0x723/0xbe0 [10341.135031][ T10] ____sys_sendmsg+0x7b2/0xa10 [10341.135031][ T10] ___sys_sendmsg+0xee/0x170 [10341.135031][ T10] __sys_sendmsg+0xcd/0x170 [10341.135031][ T10] do_syscall_64+0xc6/0x1e0 [10341.135031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10341.135031][ T10] [10341.156788][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10341.156788][ T10] netdev_get_by_index+0x5e/0x80 [10341.156788][ T10] fib6_nh_init+0x3d8/0x1580 [10341.156788][ T10] ip6_route_info_create+0xf18/0x17d0 [10341.156788][ T10] ip6_route_add+0x1c/0x140 [10341.156788][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10341.156788][ T10] addrconf_add_dev+0xe2/0x170 [10341.156788][ T10] inet6_addr_add+0x12f/0xa40 [10341.156788][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10341.156788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10341.156788][ T10] netlink_rcv_skb+0x130/0x360 [10341.156788][ T10] netlink_unicast+0x449/0x710 [10341.156788][ T10] netlink_sendmsg+0x723/0xbe0 [10341.156788][ T10] ____sys_sendmsg+0x7b2/0xa10 [10341.156788][ T10] ___sys_sendmsg+0xee/0x170 [10341.156788][ T10] __sys_sendmsg+0xcd/0x170 [10341.156788][ T10] do_syscall_64+0xc6/0x1e0 [10341.156788][ T10] [10341.171558][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10341.171558][ T10] ipv6_add_dev+0x3ba/0x11c0 [10341.171558][ T10] ipv6_find_idev+0x102/0x170 [10341.171558][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10341.171558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10341.171558][ T10] netlink_rcv_skb+0x130/0x360 [10341.171558][ T10] netlink_unicast+0x449/0x710 [10341.171558][ T10] netlink_sendmsg+0x723/0xbe0 [10341.171558][ T10] ____sys_sendmsg+0x7b2/0xa10 [10341.171558][ T10] ___sys_sendmsg+0xee/0x170 [10341.171558][ T10] __sys_sendmsg+0xcd/0x170 [10341.171558][ T10] do_syscall_64+0xc6/0x1e0 [10341.171558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10341.171558][ T10] [10341.174976][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10341.174976][ T10] neigh_parms_alloc+0x1e5/0x510 [10341.174976][ T10] ipv6_add_dev+0x2fe/0x11c0 [10341.174976][ T10] ipv6_find_idev+0x102/0x170 [10341.174976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10341.174976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10341.174976][ T10] netlink_rcv_skb+0x130/0x360 [10341.174976][ T10] netlink_unicast+0x449/0x710 [10341.174976][ T10] netlink_sendmsg+0x723/0xbe0 [10341.174976][ T10] ____sys_sendmsg+0x7b2/0xa10 [10341.174976][ T10] ___sys_sendmsg+0xee/0x170 [10341.174976][ T10] __sys_sendmsg+0xcd/0x170 [10341.174976][ T10] do_syscall_64+0xc6/0x1e0 [10341.174976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10341.174976][ T10] [10341.202111][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10341.260601][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10341.260601][ T10] netdev_get_by_index+0x5e/0x80 [10341.260601][ T10] fib6_nh_init+0x3d8/0x1580 [10341.260601][ T10] ip6_route_info_create+0xf18/0x17d0 [10341.260601][ T10] addrconf_f6i_alloc+0x265/0x560 [10341.260601][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10341.260601][ T10] addrconf_join_anycast+0x1c0/0x220 [10341.260601][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10341.260601][ T10] addrconf_dad_completed+0x12b/0xe20 [10341.260601][ T10] addrconf_dad_begin+0x310/0x670 [10341.260601][ T10] addrconf_dad_work+0x10b/0xab0 [10341.260601][ T10] process_one_work+0x84d/0x18a0 [10341.260601][ T10] worker_thread+0x587/0xd30 [10341.260601][ T10] kthread+0x28a/0x350 [10341.260601][ T10] ret_from_fork+0x31/0x70 [10341.260601][ T10] ret_from_fork_asm+0x1a/0x30 [10341.260601][ T10] [10341.264890][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10341.264890][ T10] netdev_get_by_index+0x5e/0x80 [10341.264890][ T10] fib6_nh_init+0x3d8/0x1580 [10341.264890][ T10] ip6_route_info_create+0xf18/0x17d0 [10341.264890][ T10] ip6_route_add+0x1c/0x140 [10341.264890][ T10] addrconf_prefix_route+0x2a6/0x430 [10341.264890][ T10] inet6_addr_add+0x4f8/0xa40 [10341.264890][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10341.264890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10341.264890][ T10] netlink_rcv_skb+0x130/0x360 [10341.264890][ T10] netlink_unicast+0x449/0x710 [10341.264890][ T10] netlink_sendmsg+0x723/0xbe0 [10341.264890][ T10] ____sys_sendmsg+0x7b2/0xa10 [10341.264890][ T10] ___sys_sendmsg+0xee/0x170 [10341.264890][ T10] __sys_sendmsg+0xcd/0x170 [10341.264890][ T10] do_syscall_64+0xc6/0x1e0 [10341.264890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10341.264890][ T10] [10341.269678][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10341.269678][ T10] netdev_get_by_index+0x5e/0x80 [10341.269678][ T10] fib6_nh_init+0x3d8/0x1580 [10341.269678][ T10] ip6_route_info_create+0xf18/0x17d0 [10341.269678][ T10] addrconf_f6i_alloc+0x315/0x560 [10341.269678][ T10] ipv6_add_addr+0x411/0x2000 [10341.269678][ T10] inet6_addr_add+0x30e/0xa40 [10341.269678][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10341.269678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10341.269678][ T10] netlink_rcv_skb+0x130/0x360 [10341.269678][ T10] netlink_unicast+0x449/0x710 [10341.269678][ T10] netlink_sendmsg+0x723/0xbe0 [10341.269678][ T10] ____sys_sendmsg+0x7b2/0xa10 [10341.269678][ T10] ___sys_sendmsg+0xee/0x170 [10341.269678][ T10] __sys_sendmsg+0xcd/0x170 [10341.269678][ T10] do_syscall_64+0xc6/0x1e0 [10341.269678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10341.269678][ T10] [10341.273631][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10341.273631][ T10] netdev_get_by_index+0x5e/0x80 [10341.273631][ T10] fib6_nh_init+0x3d8/0x1580 [10341.273631][ T10] ip6_route_info_create+0xf18/0x17d0 [10341.273631][ T10] ip6_route_add+0x1c/0x140 [10341.273631][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10341.273631][ T10] addrconf_add_dev+0xe2/0x170 [10341.273631][ T10] inet6_addr_add+0x12f/0xa40 [10341.273631][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10341.273631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10341.273631][ T10] netlink_rcv_skb+0x130/0x360 [10341.273631][ T10] netlink_unicast+0x449/0x710 [10341.273631][ T10] netlink_sendmsg+0x723/0xbe0 [10341.273631][ T10] ____sys_sendmsg+0x7b2/0xa10 [10341.273631][ T10] ___sys_sendmsg+0xee/0x170 [10341.273631][ T10] __sys_sendmsg+0xcd/0x170 [10341.273631][ T10] do_syscall_64+0xc6/0x1e0 [10341.273631][ T10] [10341.312213][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10341.312213][ T10] ipv6_add_dev+0x3ba/0x11c0 [10341.312213][ T10] ipv6_find_idev+0x102/0x170 [10341.312213][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10341.312213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10341.312213][ T10] netlink_rcv_skb+0x130/0x360 [10341.312213][ T10] netlink_unicast+0x449/0x710 [10341.312213][ T10] netlink_sendmsg+0x723/0xbe0 [10341.312213][ T10] ____sys_sendmsg+0x7b2/0xa10 [10341.312213][ T10] ___sys_sendmsg+0xee/0x170 [10341.312213][ T10] __sys_sendmsg+0xcd/0x170 [10341.312213][ T10] do_syscall_64+0xc6/0x1e0 [10341.312213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10341.312213][ T10] [10341.315805][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10341.315805][ T10] neigh_parms_alloc+0x1e5/0x510 [10341.315805][ T10] ipv6_add_dev+0x2fe/0x11c0 [10341.315805][ T10] ipv6_find_idev+0x102/0x170 [10341.315805][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10341.315805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10341.315805][ T10] netlink_rcv_skb+0x130/0x360 [10341.315805][ T10] netlink_unicast+0x449/0x710 [10341.315805][ T10] netlink_sendmsg+0x723/0xbe0 [10341.315805][ T10] ____sys_sendmsg+0x7b2/0xa10 [10341.315805][ T10] ___sys_sendmsg+0xee/0x170 [10341.315805][ T10] __sys_sendmsg+0xcd/0x170 [10341.315805][ T10] do_syscall_64+0xc6/0x1e0 [10341.315805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10341.315805][ T10] [10341.361668][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10341.362233][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10341.362233][ T10] netdev_get_by_index+0x5e/0x80 [10341.362233][ T10] fib6_nh_init+0x3d8/0x1580 [10341.362233][ T10] ip6_route_info_create+0xf18/0x17d0 [10341.362233][ T10] addrconf_f6i_alloc+0x265/0x560 [10341.362233][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10341.362233][ T10] addrconf_join_anycast+0x1c0/0x220 [10341.362233][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10341.362233][ T10] addrconf_dad_completed+0x12b/0xe20 [10341.362233][ T10] addrconf_dad_begin+0x310/0x670 [10341.362233][ T10] addrconf_dad_work+0x10b/0xab0 [10341.362233][ T10] process_one_work+0x84d/0x18a0 [10341.362233][ T10] worker_thread+0x587/0xd30 [10341.362233][ T10] kthread+0x28a/0x350 [10341.362233][ T10] ret_from_fork+0x31/0x70 [10341.362233][ T10] ret_from_fork_asm+0x1a/0x30 [10341.362233][ T10] [10341.366841][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10341.366841][ T10] netdev_get_by_index+0x5e/0x80 [10341.366841][ T10] fib6_nh_init+0x3d8/0x1580 [10341.366841][ T10] ip6_route_info_create+0xf18/0x17d0 [10341.366841][ T10] ip6_route_add+0x1c/0x140 [10341.366841][ T10] addrconf_prefix_route+0x2a6/0x430 [10341.366841][ T10] inet6_addr_add+0x4f8/0xa40 [10341.366841][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10341.366841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10341.366841][ T10] netlink_rcv_skb+0x130/0x360 [10341.366841][ T10] netlink_unicast+0x449/0x710 [10341.366841][ T10] netlink_sendmsg+0x723/0xbe0 [10341.366841][ T10] ____sys_sendmsg+0x7b2/0xa10 [10341.366841][ T10] ___sys_sendmsg+0xee/0x170 [10341.366841][ T10] __sys_sendmsg+0xcd/0x170 [10341.366841][ T10] do_syscall_64+0xc6/0x1e0 [10341.366841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10341.366841][ T10] [10341.410608][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10341.410608][ T10] netdev_get_by_index+0x5e/0x80 [10341.410608][ T10] fib6_nh_init+0x3d8/0x1580 [10341.410608][ T10] ip6_route_info_create+0xf18/0x17d0 [10341.410608][ T10] addrconf_f6i_alloc+0x315/0x560 [10341.410608][ T10] ipv6_add_addr+0x411/0x2000 [10341.410608][ T10] inet6_addr_add+0x30e/0xa40 [10341.410608][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10341.410608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10341.410608][ T10] netlink_rcv_skb+0x130/0x360 [10341.410608][ T10] netlink_unicast+0x449/0x710 [10341.410608][ T10] netlink_sendmsg+0x723/0xbe0 [10341.410608][ T10] ____sys_sendmsg+0x7b2/0xa10 [10341.410608][ T10] ___sys_sendmsg+0xee/0x170 [10341.410608][ T10] __sys_sendmsg+0xcd/0x170 [10341.410608][ T10] do_syscall_64+0xc6/0x1e0 [10341.410608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10341.410608][ T10] [10341.481631][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10341.481631][ T10] netdev_get_by_index+0x5e/0x80 [10341.481631][ T10] fib6_nh_init+0x3d8/0x1580 [10341.481631][ T10] ip6_route_info_create+0xf18/0x17d0 [10341.481631][ T10] ip6_route_add+0x1c/0x140 [10341.481631][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10341.481631][ T10] addrconf_add_dev+0xe2/0x170 [10341.481631][ T10] inet6_addr_add+0x12f/0xa40 [10341.481631][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10341.481631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10341.481631][ T10] netlink_rcv_skb+0x130/0x360 [10341.481631][ T10] netlink_unicast+0x449/0x710 [10341.481631][ T10] netlink_sendmsg+0x723/0xbe0 [10341.481631][ T10] ____sys_sendmsg+0x7b2/0xa10 [10341.481631][ T10] ___sys_sendmsg+0xee/0x170 [10341.481631][ T10] __sys_sendmsg+0xcd/0x170 [10341.481631][ T10] do_syscall_64+0xc6/0x1e0 [10341.481631][ T10] [10341.486467][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10341.486467][ T10] ipv6_add_dev+0x3ba/0x11c0 [10341.486467][ T10] ipv6_find_idev+0x102/0x170 [10341.486467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10341.486467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10341.486467][ T10] netlink_rcv_skb+0x130/0x360 [10341.486467][ T10] netlink_unicast+0x449/0x710 [10341.486467][ T10] netlink_sendmsg+0x723/0xbe0 [10341.486467][ T10] ____sys_sendmsg+0x7b2/0xa10 [10341.486467][ T10] ___sys_sendmsg+0xee/0x170 [10341.486467][ T10] __sys_sendmsg+0xcd/0x170 [10341.486467][ T10] do_syscall_64+0xc6/0x1e0 [10341.486467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10341.486467][ T10] [10341.512102][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10341.512102][ T10] neigh_parms_alloc+0x1e5/0x510 [10341.512102][ T10] ipv6_add_dev+0x2fe/0x11c0 [10341.512102][ T10] ipv6_find_idev+0x102/0x170 [10341.512102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10341.512102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10341.512102][ T10] netlink_rcv_skb+0x130/0x360 [10341.512102][ T10] netlink_unicast+0x449/0x710 [10341.512102][ T10] netlink_sendmsg+0x723/0xbe0 [10341.512102][ T10] ____sys_sendmsg+0x7b2/0xa10 [10341.512102][ T10] ___sys_sendmsg+0xee/0x170 [10341.512102][ T10] __sys_sendmsg+0xcd/0x170 [10341.512102][ T10] do_syscall_64+0xc6/0x1e0 [10341.512102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10341.512102][ T10] [10344.739767][ C0] hrtimer: interrupt took 32765067 ns [10347.309817][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10347.360638][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10347.360638][ T1167] dst_init+0x84/0x4a0 [10347.360638][ T1167] dst_alloc+0x97/0x150 [10347.360638][ T1167] ip6_dst_alloc+0x23/0x90 [10347.360638][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10347.360638][ T1167] ip6_pol_route+0x56f/0x840 [10347.360638][ T1167] fib6_rule_lookup+0x334/0x630 [10347.360638][ T1167] ip6_route_output_flags+0x259/0x480 [10347.360638][ T1167] inet6_rtm_getroute+0x980/0xf70 [10347.360638][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10347.360638][ T1167] netlink_rcv_skb+0x130/0x360 [10347.360638][ T1167] netlink_unicast+0x449/0x710 [10347.360638][ T1167] netlink_sendmsg+0x723/0xbe0 [10347.360638][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10347.360638][ T1167] ___sys_sendmsg+0xee/0x170 [10347.360638][ T1167] __sys_sendmsg+0xcd/0x170 [10347.360638][ T1167] do_syscall_64+0xc6/0x1e0 [10347.360638][ T1167] [10347.365559][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10347.365559][ T1167] netdev_get_by_index+0x5e/0x80 [10347.365559][ T1167] fib6_nh_init+0x3d8/0x1580 [10347.365559][ T1167] ip6_route_info_create+0xf18/0x17d0 [10347.365559][ T1167] addrconf_f6i_alloc+0x265/0x560 [10347.365559][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10347.365559][ T1167] addrconf_join_anycast+0x1c0/0x220 [10347.365559][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10347.365559][ T1167] addrconf_dad_completed+0x12b/0xe20 [10347.365559][ T1167] addrconf_dad_begin+0x310/0x670 [10347.365559][ T1167] addrconf_dad_work+0x10b/0xab0 [10347.365559][ T1167] process_one_work+0x84d/0x18a0 [10347.365559][ T1167] worker_thread+0x587/0xd30 [10347.365559][ T1167] kthread+0x28a/0x350 [10347.365559][ T1167] ret_from_fork+0x31/0x70 [10347.365559][ T1167] ret_from_fork_asm+0x1a/0x30 [10347.365559][ T1167] [10347.370326][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10347.370326][ T1167] netdev_get_by_index+0x5e/0x80 [10347.370326][ T1167] fib6_nh_init+0x3d8/0x1580 [10347.370326][ T1167] ip6_route_info_create+0xf18/0x17d0 [10347.370326][ T1167] ip6_route_add+0x1c/0x140 [10347.370326][ T1167] addrconf_prefix_route+0x2a6/0x430 [10347.370326][ T1167] inet6_addr_add+0x4f8/0xa40 [10347.370326][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10347.370326][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10347.370326][ T1167] netlink_rcv_skb+0x130/0x360 [10347.370326][ T1167] netlink_unicast+0x449/0x710 [10347.370326][ T1167] netlink_sendmsg+0x723/0xbe0 [10347.370326][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10347.370326][ T1167] ___sys_sendmsg+0xee/0x170 [10347.370326][ T1167] __sys_sendmsg+0xcd/0x170 [10347.370326][ T1167] do_syscall_64+0xc6/0x1e0 [10347.370326][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10347.370326][ T1167] [10347.375475][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10347.375475][ T1167] netdev_get_by_index+0x5e/0x80 [10347.375475][ T1167] fib6_nh_init+0x3d8/0x1580 [10347.375475][ T1167] ip6_route_info_create+0xf18/0x17d0 [10347.375475][ T1167] addrconf_f6i_alloc+0x315/0x560 [10347.375475][ T1167] ipv6_add_addr+0x411/0x2000 [10347.375475][ T1167] inet6_addr_add+0x30e/0xa40 [10347.375475][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10347.375475][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10347.375475][ T1167] netlink_rcv_skb+0x130/0x360 [10347.375475][ T1167] netlink_unicast+0x449/0x710 [10347.375475][ T1167] netlink_sendmsg+0x723/0xbe0 [10347.375475][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10347.375475][ T1167] ___sys_sendmsg+0xee/0x170 [10347.375475][ T1167] __sys_sendmsg+0xcd/0x170 [10347.375475][ T1167] do_syscall_64+0xc6/0x1e0 [10347.375475][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10347.375475][ T1167] [10347.425488][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10347.425488][ T1167] netdev_get_by_index+0x5e/0x80 [10347.425488][ T1167] fib6_nh_init+0x3d8/0x1580 [10347.425488][ T1167] ip6_route_info_create+0xf18/0x17d0 [10347.425488][ T1167] ip6_route_add+0x1c/0x140 [10347.425488][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10347.425488][ T1167] addrconf_add_dev+0xe2/0x170 [10347.425488][ T1167] inet6_addr_add+0x12f/0xa40 [10347.425488][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10347.425488][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10347.425488][ T1167] netlink_rcv_skb+0x130/0x360 [10347.425488][ T1167] netlink_unicast+0x449/0x710 [10347.425488][ T1167] netlink_sendmsg+0x723/0xbe0 [10347.425488][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10347.425488][ T1167] ___sys_sendmsg+0xee/0x170 [10347.425488][ T1167] __sys_sendmsg+0xcd/0x170 [10347.425488][ T1167] do_syscall_64+0xc6/0x1e0 [10347.425488][ T1167] [10347.471937][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10347.471937][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10347.471937][ T1167] ipv6_find_idev+0x102/0x170 [10347.471937][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10347.471937][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10347.471937][ T1167] netlink_rcv_skb+0x130/0x360 [10347.471937][ T1167] netlink_unicast+0x449/0x710 [10347.471937][ T1167] netlink_sendmsg+0x723/0xbe0 [10347.471937][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10347.471937][ T1167] ___sys_sendmsg+0xee/0x170 [10347.471937][ T1167] __sys_sendmsg+0xcd/0x170 [10347.471937][ T1167] do_syscall_64+0xc6/0x1e0 [10347.471937][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10347.471937][ T1167] [10347.475884][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10347.475884][ T1167] neigh_parms_alloc+0x1e5/0x510 [10347.475884][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10347.475884][ T1167] ipv6_find_idev+0x102/0x170 [10347.475884][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10347.475884][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10347.475884][ T1167] netlink_rcv_skb+0x130/0x360 [10347.475884][ T1167] netlink_unicast+0x449/0x710 [10347.475884][ T1167] netlink_sendmsg+0x723/0xbe0 [10347.475884][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10347.475884][ T1167] ___sys_sendmsg+0xee/0x170 [10347.475884][ T1167] __sys_sendmsg+0xcd/0x170 [10347.475884][ T1167] do_syscall_64+0xc6/0x1e0 [10347.475884][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10347.475884][ T1167] [10351.625094][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10351.630695][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10351.630695][ T10] netdev_get_by_index+0x5e/0x80 [10351.630695][ T10] fib6_nh_init+0x3d8/0x1580 [10351.630695][ T10] ip6_route_info_create+0xf18/0x17d0 [10351.630695][ T10] addrconf_f6i_alloc+0x265/0x560 [10351.630695][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10351.630695][ T10] addrconf_join_anycast+0x1c0/0x220 [10351.630695][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10351.630695][ T10] addrconf_dad_completed+0x12b/0xe20 [10351.630695][ T10] addrconf_dad_begin+0x310/0x670 [10351.630695][ T10] addrconf_dad_work+0x10b/0xab0 [10351.630695][ T10] process_one_work+0x84d/0x18a0 [10351.630695][ T10] worker_thread+0x587/0xd30 [10351.630695][ T10] kthread+0x28a/0x350 [10351.630695][ T10] ret_from_fork+0x31/0x70 [10351.630695][ T10] ret_from_fork_asm+0x1a/0x30 [10351.630695][ T10] [10351.634906][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10351.634906][ T10] netdev_get_by_index+0x5e/0x80 [10351.634906][ T10] fib6_nh_init+0x3d8/0x1580 [10351.634906][ T10] ip6_route_info_create+0xf18/0x17d0 [10351.634906][ T10] ip6_route_add+0x1c/0x140 [10351.634906][ T10] addrconf_prefix_route+0x2a6/0x430 [10351.634906][ T10] inet6_addr_add+0x4f8/0xa40 [10351.634906][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10351.634906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10351.634906][ T10] netlink_rcv_skb+0x130/0x360 [10351.634906][ T10] netlink_unicast+0x449/0x710 [10351.634906][ T10] netlink_sendmsg+0x723/0xbe0 [10351.634906][ T10] ____sys_sendmsg+0x7b2/0xa10 [10351.634906][ T10] ___sys_sendmsg+0xee/0x170 [10351.634906][ T10] __sys_sendmsg+0xcd/0x170 [10351.634906][ T10] do_syscall_64+0xc6/0x1e0 [10351.634906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10351.634906][ T10] [10351.639462][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10351.639462][ T10] netdev_get_by_index+0x5e/0x80 [10351.639462][ T10] fib6_nh_init+0x3d8/0x1580 [10351.639462][ T10] ip6_route_info_create+0xf18/0x17d0 [10351.639462][ T10] addrconf_f6i_alloc+0x315/0x560 [10351.639462][ T10] ipv6_add_addr+0x411/0x2000 [10351.639462][ T10] inet6_addr_add+0x30e/0xa40 [10351.639462][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10351.639462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10351.639462][ T10] netlink_rcv_skb+0x130/0x360 [10351.639462][ T10] netlink_unicast+0x449/0x710 [10351.639462][ T10] netlink_sendmsg+0x723/0xbe0 [10351.639462][ T10] ____sys_sendmsg+0x7b2/0xa10 [10351.639462][ T10] ___sys_sendmsg+0xee/0x170 [10351.639462][ T10] __sys_sendmsg+0xcd/0x170 [10351.639462][ T10] do_syscall_64+0xc6/0x1e0 [10351.639462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10351.639462][ T10] [10351.662896][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10351.662896][ T10] netdev_get_by_index+0x5e/0x80 [10351.662896][ T10] fib6_nh_init+0x3d8/0x1580 [10351.662896][ T10] ip6_route_info_create+0xf18/0x17d0 [10351.662896][ T10] ip6_route_add+0x1c/0x140 [10351.662896][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10351.662896][ T10] addrconf_add_dev+0xe2/0x170 [10351.662896][ T10] inet6_addr_add+0x12f/0xa40 [10351.662896][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10351.662896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10351.662896][ T10] netlink_rcv_skb+0x130/0x360 [10351.662896][ T10] netlink_unicast+0x449/0x710 [10351.662896][ T10] netlink_sendmsg+0x723/0xbe0 [10351.662896][ T10] ____sys_sendmsg+0x7b2/0xa10 [10351.662896][ T10] ___sys_sendmsg+0xee/0x170 [10351.662896][ T10] __sys_sendmsg+0xcd/0x170 [10351.662896][ T10] do_syscall_64+0xc6/0x1e0 [10351.662896][ T10] [10351.799729][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10351.799729][ T10] ipv6_add_dev+0x3ba/0x11c0 [10351.799729][ T10] ipv6_find_idev+0x102/0x170 [10351.799729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10351.799729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10351.799729][ T10] netlink_rcv_skb+0x130/0x360 [10351.799729][ T10] netlink_unicast+0x449/0x710 [10351.799729][ T10] netlink_sendmsg+0x723/0xbe0 [10351.799729][ T10] ____sys_sendmsg+0x7b2/0xa10 [10351.799729][ T10] ___sys_sendmsg+0xee/0x170 [10351.799729][ T10] __sys_sendmsg+0xcd/0x170 [10351.799729][ T10] do_syscall_64+0xc6/0x1e0 [10351.799729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10351.799729][ T10] [10351.803115][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10351.803115][ T10] neigh_parms_alloc+0x1e5/0x510 [10351.803115][ T10] ipv6_add_dev+0x2fe/0x11c0 [10351.803115][ T10] ipv6_find_idev+0x102/0x170 [10351.803115][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10351.803115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10351.803115][ T10] netlink_rcv_skb+0x130/0x360 [10351.803115][ T10] netlink_unicast+0x449/0x710 [10351.803115][ T10] netlink_sendmsg+0x723/0xbe0 [10351.803115][ T10] ____sys_sendmsg+0x7b2/0xa10 [10351.803115][ T10] ___sys_sendmsg+0xee/0x170 [10351.803115][ T10] __sys_sendmsg+0xcd/0x170 [10351.803115][ T10] do_syscall_64+0xc6/0x1e0 [10351.803115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10351.803115][ T10] [10351.820188][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10351.820736][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10351.820736][ T10] netdev_get_by_index+0x5e/0x80 [10351.820736][ T10] fib6_nh_init+0x3d8/0x1580 [10351.820736][ T10] ip6_route_info_create+0xf18/0x17d0 [10351.820736][ T10] addrconf_f6i_alloc+0x265/0x560 [10351.820736][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10351.820736][ T10] addrconf_join_anycast+0x1c0/0x220 [10351.820736][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10351.820736][ T10] addrconf_dad_completed+0x12b/0xe20 [10351.820736][ T10] addrconf_dad_begin+0x310/0x670 [10351.820736][ T10] addrconf_dad_work+0x10b/0xab0 [10351.820736][ T10] process_one_work+0x84d/0x18a0 [10351.820736][ T10] worker_thread+0x587/0xd30 [10351.820736][ T10] kthread+0x28a/0x350 [10351.820736][ T10] ret_from_fork+0x31/0x70 [10351.820736][ T10] ret_from_fork_asm+0x1a/0x30 [10351.820736][ T10] [10351.866330][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10351.866330][ T10] netdev_get_by_index+0x5e/0x80 [10351.866330][ T10] fib6_nh_init+0x3d8/0x1580 [10351.866330][ T10] ip6_route_info_create+0xf18/0x17d0 [10351.866330][ T10] ip6_route_add+0x1c/0x140 [10351.866330][ T10] addrconf_prefix_route+0x2a6/0x430 [10351.866330][ T10] inet6_addr_add+0x4f8/0xa40 [10351.866330][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10351.866330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10351.866330][ T10] netlink_rcv_skb+0x130/0x360 [10351.866330][ T10] netlink_unicast+0x449/0x710 [10351.866330][ T10] netlink_sendmsg+0x723/0xbe0 [10351.866330][ T10] ____sys_sendmsg+0x7b2/0xa10 [10351.866330][ T10] ___sys_sendmsg+0xee/0x170 [10351.866330][ T10] __sys_sendmsg+0xcd/0x170 [10351.866330][ T10] do_syscall_64+0xc6/0x1e0 [10351.866330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10351.866330][ T10] [10351.871267][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10351.871267][ T10] netdev_get_by_index+0x5e/0x80 [10351.871267][ T10] fib6_nh_init+0x3d8/0x1580 [10351.871267][ T10] ip6_route_info_create+0xf18/0x17d0 [10351.871267][ T10] addrconf_f6i_alloc+0x315/0x560 [10351.871267][ T10] ipv6_add_addr+0x411/0x2000 [10351.871267][ T10] inet6_addr_add+0x30e/0xa40 [10351.871267][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10351.871267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10351.871267][ T10] netlink_rcv_skb+0x130/0x360 [10351.871267][ T10] netlink_unicast+0x449/0x710 [10351.871267][ T10] netlink_sendmsg+0x723/0xbe0 [10351.871267][ T10] ____sys_sendmsg+0x7b2/0xa10 [10351.871267][ T10] ___sys_sendmsg+0xee/0x170 [10351.871267][ T10] __sys_sendmsg+0xcd/0x170 [10351.871267][ T10] do_syscall_64+0xc6/0x1e0 [10351.871267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10351.871267][ T10] [10351.914616][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10351.914616][ T10] netdev_get_by_index+0x5e/0x80 [10351.914616][ T10] fib6_nh_init+0x3d8/0x1580 [10351.914616][ T10] ip6_route_info_create+0xf18/0x17d0 [10351.914616][ T10] ip6_route_add+0x1c/0x140 [10351.914616][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10351.914616][ T10] addrconf_add_dev+0xe2/0x170 [10351.914616][ T10] inet6_addr_add+0x12f/0xa40 [10351.914616][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10351.914616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10351.914616][ T10] netlink_rcv_skb+0x130/0x360 [10351.914616][ T10] netlink_unicast+0x449/0x710 [10351.914616][ T10] netlink_sendmsg+0x723/0xbe0 [10351.914616][ T10] ____sys_sendmsg+0x7b2/0xa10 [10351.914616][ T10] ___sys_sendmsg+0xee/0x170 [10351.914616][ T10] __sys_sendmsg+0xcd/0x170 [10351.914616][ T10] do_syscall_64+0xc6/0x1e0 [10351.914616][ T10] [10351.919318][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10351.919318][ T10] ipv6_add_dev+0x3ba/0x11c0 [10351.919318][ T10] ipv6_find_idev+0x102/0x170 [10351.919318][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10351.919318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10351.919318][ T10] netlink_rcv_skb+0x130/0x360 [10351.919318][ T10] netlink_unicast+0x449/0x710 [10351.919318][ T10] netlink_sendmsg+0x723/0xbe0 [10351.919318][ T10] ____sys_sendmsg+0x7b2/0xa10 [10351.919318][ T10] ___sys_sendmsg+0xee/0x170 [10351.919318][ T10] __sys_sendmsg+0xcd/0x170 [10351.919318][ T10] do_syscall_64+0xc6/0x1e0 [10351.919318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10351.919318][ T10] [10351.960710][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10351.960710][ T10] neigh_parms_alloc+0x1e5/0x510 [10351.960710][ T10] ipv6_add_dev+0x2fe/0x11c0 [10351.960710][ T10] ipv6_find_idev+0x102/0x170 [10351.960710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10351.960710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10351.960710][ T10] netlink_rcv_skb+0x130/0x360 [10351.960710][ T10] netlink_unicast+0x449/0x710 [10351.960710][ T10] netlink_sendmsg+0x723/0xbe0 [10351.960710][ T10] ____sys_sendmsg+0x7b2/0xa10 [10351.960710][ T10] ___sys_sendmsg+0xee/0x170 [10351.960710][ T10] __sys_sendmsg+0xcd/0x170 [10351.960710][ T10] do_syscall_64+0xc6/0x1e0 [10351.960710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10351.960710][ T10] [10352.009777][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10352.010443][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10352.010443][ T10] netdev_get_by_index+0x5e/0x80 [10352.010443][ T10] fib6_nh_init+0x3d8/0x1580 [10352.010443][ T10] ip6_route_info_create+0xf18/0x17d0 [10352.010443][ T10] addrconf_f6i_alloc+0x265/0x560 [10352.010443][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10352.010443][ T10] addrconf_join_anycast+0x1c0/0x220 [10352.010443][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10352.010443][ T10] addrconf_dad_completed+0x12b/0xe20 [10352.010443][ T10] addrconf_dad_begin+0x310/0x670 [10352.010443][ T10] addrconf_dad_work+0x10b/0xab0 [10352.010443][ T10] process_one_work+0x84d/0x18a0 [10352.010443][ T10] worker_thread+0x587/0xd30 [10352.010443][ T10] kthread+0x28a/0x350 [10352.010443][ T10] ret_from_fork+0x31/0x70 [10352.010443][ T10] ret_from_fork_asm+0x1a/0x30 [10352.010443][ T10] [10352.014147][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10352.014147][ T10] netdev_get_by_index+0x5e/0x80 [10352.014147][ T10] fib6_nh_init+0x3d8/0x1580 [10352.014147][ T10] ip6_route_info_create+0xf18/0x17d0 [10352.014147][ T10] ip6_route_add+0x1c/0x140 [10352.014147][ T10] addrconf_prefix_route+0x2a6/0x430 [10352.014147][ T10] inet6_addr_add+0x4f8/0xa40 [10352.014147][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10352.014147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10352.014147][ T10] netlink_rcv_skb+0x130/0x360 [10352.014147][ T10] netlink_unicast+0x449/0x710 [10352.014147][ T10] netlink_sendmsg+0x723/0xbe0 [10352.014147][ T10] ____sys_sendmsg+0x7b2/0xa10 [10352.014147][ T10] ___sys_sendmsg+0xee/0x170 [10352.014147][ T10] __sys_sendmsg+0xcd/0x170 [10352.014147][ T10] do_syscall_64+0xc6/0x1e0 [10352.014147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10352.014147][ T10] [10352.096790][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10352.096790][ T10] netdev_get_by_index+0x5e/0x80 [10352.096790][ T10] fib6_nh_init+0x3d8/0x1580 [10352.096790][ T10] ip6_route_info_create+0xf18/0x17d0 [10352.096790][ T10] addrconf_f6i_alloc+0x315/0x560 [10352.096790][ T10] ipv6_add_addr+0x411/0x2000 [10352.096790][ T10] inet6_addr_add+0x30e/0xa40 [10352.096790][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10352.096790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10352.096790][ T10] netlink_rcv_skb+0x130/0x360 [10352.096790][ T10] netlink_unicast+0x449/0x710 [10352.096790][ T10] netlink_sendmsg+0x723/0xbe0 [10352.096790][ T10] ____sys_sendmsg+0x7b2/0xa10 [10352.096790][ T10] ___sys_sendmsg+0xee/0x170 [10352.096790][ T10] __sys_sendmsg+0xcd/0x170 [10352.096790][ T10] do_syscall_64+0xc6/0x1e0 [10352.096790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10352.096790][ T10] [10352.109706][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10352.109706][ T10] netdev_get_by_index+0x5e/0x80 [10352.109706][ T10] fib6_nh_init+0x3d8/0x1580 [10352.109706][ T10] ip6_route_info_create+0xf18/0x17d0 [10352.109706][ T10] ip6_route_add+0x1c/0x140 [10352.109706][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10352.109706][ T10] addrconf_add_dev+0xe2/0x170 [10352.109706][ T10] inet6_addr_add+0x12f/0xa40 [10352.109706][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10352.109706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10352.109706][ T10] netlink_rcv_skb+0x130/0x360 [10352.109706][ T10] netlink_unicast+0x449/0x710 [10352.109706][ T10] netlink_sendmsg+0x723/0xbe0 [10352.109706][ T10] ____sys_sendmsg+0x7b2/0xa10 [10352.109706][ T10] ___sys_sendmsg+0xee/0x170 [10352.109706][ T10] __sys_sendmsg+0xcd/0x170 [10352.109706][ T10] do_syscall_64+0xc6/0x1e0 [10352.109706][ T10] [10352.135539][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10352.135539][ T10] ipv6_add_dev+0x3ba/0x11c0 [10352.135539][ T10] ipv6_find_idev+0x102/0x170 [10352.135539][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10352.135539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10352.135539][ T10] netlink_rcv_skb+0x130/0x360 [10352.135539][ T10] netlink_unicast+0x449/0x710 [10352.135539][ T10] netlink_sendmsg+0x723/0xbe0 [10352.135539][ T10] ____sys_sendmsg+0x7b2/0xa10 [10352.135539][ T10] ___sys_sendmsg+0xee/0x170 [10352.135539][ T10] __sys_sendmsg+0xcd/0x170 [10352.135539][ T10] do_syscall_64+0xc6/0x1e0 [10352.135539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10352.135539][ T10] [10352.162669][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10352.162669][ T10] neigh_parms_alloc+0x1e5/0x510 [10352.162669][ T10] ipv6_add_dev+0x2fe/0x11c0 [10352.162669][ T10] ipv6_find_idev+0x102/0x170 [10352.162669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10352.162669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10352.162669][ T10] netlink_rcv_skb+0x130/0x360 [10352.162669][ T10] netlink_unicast+0x449/0x710 [10352.162669][ T10] netlink_sendmsg+0x723/0xbe0 [10352.162669][ T10] ____sys_sendmsg+0x7b2/0xa10 [10352.162669][ T10] ___sys_sendmsg+0xee/0x170 [10352.162669][ T10] __sys_sendmsg+0xcd/0x170 [10352.162669][ T10] do_syscall_64+0xc6/0x1e0 [10352.162669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10352.162669][ T10] [10352.195225][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10352.197155][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10352.197155][ T10] netdev_get_by_index+0x5e/0x80 [10352.197155][ T10] fib6_nh_init+0x3d8/0x1580 [10352.197155][ T10] ip6_route_info_create+0xf18/0x17d0 [10352.197155][ T10] addrconf_f6i_alloc+0x265/0x560 [10352.197155][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10352.197155][ T10] addrconf_join_anycast+0x1c0/0x220 [10352.197155][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10352.197155][ T10] addrconf_dad_completed+0x12b/0xe20 [10352.197155][ T10] addrconf_dad_begin+0x310/0x670 [10352.197155][ T10] addrconf_dad_work+0x10b/0xab0 [10352.197155][ T10] process_one_work+0x84d/0x18a0 [10352.197155][ T10] worker_thread+0x587/0xd30 [10352.197155][ T10] kthread+0x28a/0x350 [10352.197155][ T10] ret_from_fork+0x31/0x70 [10352.197155][ T10] ret_from_fork_asm+0x1a/0x30 [10352.197155][ T10] [10352.220897][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10352.220897][ T10] netdev_get_by_index+0x5e/0x80 [10352.220897][ T10] fib6_nh_init+0x3d8/0x1580 [10352.220897][ T10] ip6_route_info_create+0xf18/0x17d0 [10352.220897][ T10] ip6_route_add+0x1c/0x140 [10352.220897][ T10] addrconf_prefix_route+0x2a6/0x430 [10352.220897][ T10] inet6_addr_add+0x4f8/0xa40 [10352.220897][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10352.220897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10352.220897][ T10] netlink_rcv_skb+0x130/0x360 [10352.220897][ T10] netlink_unicast+0x449/0x710 [10352.220897][ T10] netlink_sendmsg+0x723/0xbe0 [10352.220897][ T10] ____sys_sendmsg+0x7b2/0xa10 [10352.220897][ T10] ___sys_sendmsg+0xee/0x170 [10352.220897][ T10] __sys_sendmsg+0xcd/0x170 [10352.220897][ T10] do_syscall_64+0xc6/0x1e0 [10352.220897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10352.220897][ T10] [10352.246160][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10352.246160][ T10] netdev_get_by_index+0x5e/0x80 [10352.246160][ T10] fib6_nh_init+0x3d8/0x1580 [10352.246160][ T10] ip6_route_info_create+0xf18/0x17d0 [10352.246160][ T10] addrconf_f6i_alloc+0x315/0x560 [10352.246160][ T10] ipv6_add_addr+0x411/0x2000 [10352.246160][ T10] inet6_addr_add+0x30e/0xa40 [10352.246160][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10352.246160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10352.246160][ T10] netlink_rcv_skb+0x130/0x360 [10352.246160][ T10] netlink_unicast+0x449/0x710 [10352.246160][ T10] netlink_sendmsg+0x723/0xbe0 [10352.246160][ T10] ____sys_sendmsg+0x7b2/0xa10 [10352.246160][ T10] ___sys_sendmsg+0xee/0x170 [10352.246160][ T10] __sys_sendmsg+0xcd/0x170 [10352.246160][ T10] do_syscall_64+0xc6/0x1e0 [10352.246160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10352.246160][ T10] [10352.256481][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10352.256481][ T10] netdev_get_by_index+0x5e/0x80 [10352.256481][ T10] fib6_nh_init+0x3d8/0x1580 [10352.256481][ T10] ip6_route_info_create+0xf18/0x17d0 [10352.256481][ T10] ip6_route_add+0x1c/0x140 [10352.256481][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10352.256481][ T10] addrconf_add_dev+0xe2/0x170 [10352.256481][ T10] inet6_addr_add+0x12f/0xa40 [10352.256481][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10352.256481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10352.256481][ T10] netlink_rcv_skb+0x130/0x360 [10352.256481][ T10] netlink_unicast+0x449/0x710 [10352.256481][ T10] netlink_sendmsg+0x723/0xbe0 [10352.256481][ T10] ____sys_sendmsg+0x7b2/0xa10 [10352.256481][ T10] ___sys_sendmsg+0xee/0x170 [10352.256481][ T10] __sys_sendmsg+0xcd/0x170 [10352.256481][ T10] do_syscall_64+0xc6/0x1e0 [10352.256481][ T10] [10352.273133][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10352.273133][ T10] ipv6_add_dev+0x3ba/0x11c0 [10352.273133][ T10] ipv6_find_idev+0x102/0x170 [10352.273133][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10352.273133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10352.273133][ T10] netlink_rcv_skb+0x130/0x360 [10352.273133][ T10] netlink_unicast+0x449/0x710 [10352.273133][ T10] netlink_sendmsg+0x723/0xbe0 [10352.273133][ T10] ____sys_sendmsg+0x7b2/0xa10 [10352.273133][ T10] ___sys_sendmsg+0xee/0x170 [10352.273133][ T10] __sys_sendmsg+0xcd/0x170 [10352.273133][ T10] do_syscall_64+0xc6/0x1e0 [10352.273133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10352.273133][ T10] [10352.292323][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10352.292323][ T10] neigh_parms_alloc+0x1e5/0x510 [10352.292323][ T10] ipv6_add_dev+0x2fe/0x11c0 [10352.292323][ T10] ipv6_find_idev+0x102/0x170 [10352.292323][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10352.292323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10352.292323][ T10] netlink_rcv_skb+0x130/0x360 [10352.292323][ T10] netlink_unicast+0x449/0x710 [10352.292323][ T10] netlink_sendmsg+0x723/0xbe0 [10352.292323][ T10] ____sys_sendmsg+0x7b2/0xa10 [10352.292323][ T10] ___sys_sendmsg+0xee/0x170 [10352.292323][ T10] __sys_sendmsg+0xcd/0x170 [10352.292323][ T10] do_syscall_64+0xc6/0x1e0 [10352.292323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10352.292323][ T10] [10357.689744][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10357.739772][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10357.739772][ T1167] dst_init+0x84/0x4a0 [10357.739772][ T1167] dst_alloc+0x97/0x150 [10357.739772][ T1167] ip6_dst_alloc+0x23/0x90 [10357.739772][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10357.739772][ T1167] ip6_pol_route+0x56f/0x840 [10357.739772][ T1167] fib6_rule_lookup+0x334/0x630 [10357.739772][ T1167] ip6_route_output_flags+0x259/0x480 [10357.739772][ T1167] inet6_rtm_getroute+0x980/0xf70 [10357.739772][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10357.739772][ T1167] netlink_rcv_skb+0x130/0x360 [10357.739772][ T1167] netlink_unicast+0x449/0x710 [10357.739772][ T1167] netlink_sendmsg+0x723/0xbe0 [10357.739772][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10357.739772][ T1167] ___sys_sendmsg+0xee/0x170 [10357.739772][ T1167] __sys_sendmsg+0xcd/0x170 [10357.739772][ T1167] do_syscall_64+0xc6/0x1e0 [10357.739772][ T1167] [10357.754175][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10357.754175][ T1167] netdev_get_by_index+0x5e/0x80 [10357.754175][ T1167] fib6_nh_init+0x3d8/0x1580 [10357.754175][ T1167] ip6_route_info_create+0xf18/0x17d0 [10357.754175][ T1167] addrconf_f6i_alloc+0x265/0x560 [10357.754175][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10357.754175][ T1167] addrconf_join_anycast+0x1c0/0x220 [10357.754175][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10357.754175][ T1167] addrconf_dad_completed+0x12b/0xe20 [10357.754175][ T1167] addrconf_dad_begin+0x310/0x670 [10357.754175][ T1167] addrconf_dad_work+0x10b/0xab0 [10357.754175][ T1167] process_one_work+0x84d/0x18a0 [10357.754175][ T1167] worker_thread+0x587/0xd30 [10357.754175][ T1167] kthread+0x28a/0x350 [10357.754175][ T1167] ret_from_fork+0x31/0x70 [10357.754175][ T1167] ret_from_fork_asm+0x1a/0x30 [10357.754175][ T1167] [10357.781652][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10357.781652][ T1167] netdev_get_by_index+0x5e/0x80 [10357.781652][ T1167] fib6_nh_init+0x3d8/0x1580 [10357.781652][ T1167] ip6_route_info_create+0xf18/0x17d0 [10357.781652][ T1167] ip6_route_add+0x1c/0x140 [10357.781652][ T1167] addrconf_prefix_route+0x2a6/0x430 [10357.781652][ T1167] inet6_addr_add+0x4f8/0xa40 [10357.781652][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10357.781652][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10357.781652][ T1167] netlink_rcv_skb+0x130/0x360 [10357.781652][ T1167] netlink_unicast+0x449/0x710 [10357.781652][ T1167] netlink_sendmsg+0x723/0xbe0 [10357.781652][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10357.781652][ T1167] ___sys_sendmsg+0xee/0x170 [10357.781652][ T1167] __sys_sendmsg+0xcd/0x170 [10357.781652][ T1167] do_syscall_64+0xc6/0x1e0 [10357.781652][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10357.781652][ T1167] [10357.793522][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10357.793522][ T1167] netdev_get_by_index+0x5e/0x80 [10357.793522][ T1167] fib6_nh_init+0x3d8/0x1580 [10357.793522][ T1167] ip6_route_info_create+0xf18/0x17d0 [10357.793522][ T1167] addrconf_f6i_alloc+0x315/0x560 [10357.793522][ T1167] ipv6_add_addr+0x411/0x2000 [10357.793522][ T1167] inet6_addr_add+0x30e/0xa40 [10357.793522][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10357.793522][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10357.793522][ T1167] netlink_rcv_skb+0x130/0x360 [10357.793522][ T1167] netlink_unicast+0x449/0x710 [10357.793522][ T1167] netlink_sendmsg+0x723/0xbe0 [10357.793522][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10357.793522][ T1167] ___sys_sendmsg+0xee/0x170 [10357.793522][ T1167] __sys_sendmsg+0xcd/0x170 [10357.793522][ T1167] do_syscall_64+0xc6/0x1e0 [10357.793522][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10357.793522][ T1167] [10357.813200][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10357.813200][ T1167] netdev_get_by_index+0x5e/0x80 [10357.813200][ T1167] fib6_nh_init+0x3d8/0x1580 [10357.813200][ T1167] ip6_route_info_create+0xf18/0x17d0 [10357.813200][ T1167] ip6_route_add+0x1c/0x140 [10357.813200][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10357.813200][ T1167] addrconf_add_dev+0xe2/0x170 [10357.813200][ T1167] inet6_addr_add+0x12f/0xa40 [10357.813200][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10357.813200][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10357.813200][ T1167] netlink_rcv_skb+0x130/0x360 [10357.813200][ T1167] netlink_unicast+0x449/0x710 [10357.813200][ T1167] netlink_sendmsg+0x723/0xbe0 [10357.813200][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10357.813200][ T1167] ___sys_sendmsg+0xee/0x170 [10357.813200][ T1167] __sys_sendmsg+0xcd/0x170 [10357.813200][ T1167] do_syscall_64+0xc6/0x1e0 [10357.813200][ T1167] [10357.818188][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10357.818188][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10357.818188][ T1167] ipv6_find_idev+0x102/0x170 [10357.818188][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10357.818188][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10357.818188][ T1167] netlink_rcv_skb+0x130/0x360 [10357.818188][ T1167] netlink_unicast+0x449/0x710 [10357.818188][ T1167] netlink_sendmsg+0x723/0xbe0 [10357.818188][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10357.818188][ T1167] ___sys_sendmsg+0xee/0x170 [10357.818188][ T1167] __sys_sendmsg+0xcd/0x170 [10357.818188][ T1167] do_syscall_64+0xc6/0x1e0 [10357.818188][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10357.818188][ T1167] [10357.853429][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10357.853429][ T1167] neigh_parms_alloc+0x1e5/0x510 [10357.853429][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10357.853429][ T1167] ipv6_find_idev+0x102/0x170 [10357.853429][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10357.853429][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10357.853429][ T1167] netlink_rcv_skb+0x130/0x360 [10357.853429][ T1167] netlink_unicast+0x449/0x710 [10357.853429][ T1167] netlink_sendmsg+0x723/0xbe0 [10357.853429][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10357.853429][ T1167] ___sys_sendmsg+0xee/0x170 [10357.853429][ T1167] __sys_sendmsg+0xcd/0x170 [10357.853429][ T1167] do_syscall_64+0xc6/0x1e0 [10357.853429][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10357.853429][ T1167] [10362.429783][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10362.440196][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10362.440196][ T10] netdev_get_by_index+0x5e/0x80 [10362.440196][ T10] fib6_nh_init+0x3d8/0x1580 [10362.440196][ T10] ip6_route_info_create+0xf18/0x17d0 [10362.440196][ T10] addrconf_f6i_alloc+0x265/0x560 [10362.440196][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10362.440196][ T10] addrconf_join_anycast+0x1c0/0x220 [10362.440196][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10362.440196][ T10] addrconf_dad_completed+0x12b/0xe20 [10362.440196][ T10] addrconf_dad_begin+0x310/0x670 [10362.440196][ T10] addrconf_dad_work+0x10b/0xab0 [10362.440196][ T10] process_one_work+0x84d/0x18a0 [10362.440196][ T10] worker_thread+0x587/0xd30 [10362.440196][ T10] kthread+0x28a/0x350 [10362.440196][ T10] ret_from_fork+0x31/0x70 [10362.440196][ T10] ret_from_fork_asm+0x1a/0x30 [10362.440196][ T10] [10362.452138][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10362.452138][ T10] netdev_get_by_index+0x5e/0x80 [10362.452138][ T10] fib6_nh_init+0x3d8/0x1580 [10362.452138][ T10] ip6_route_info_create+0xf18/0x17d0 [10362.452138][ T10] ip6_route_add+0x1c/0x140 [10362.452138][ T10] addrconf_prefix_route+0x2a6/0x430 [10362.452138][ T10] inet6_addr_add+0x4f8/0xa40 [10362.452138][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10362.452138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10362.452138][ T10] netlink_rcv_skb+0x130/0x360 [10362.452138][ T10] netlink_unicast+0x449/0x710 [10362.452138][ T10] netlink_sendmsg+0x723/0xbe0 [10362.452138][ T10] ____sys_sendmsg+0x7b2/0xa10 [10362.452138][ T10] ___sys_sendmsg+0xee/0x170 [10362.452138][ T10] __sys_sendmsg+0xcd/0x170 [10362.452138][ T10] do_syscall_64+0xc6/0x1e0 [10362.452138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10362.452138][ T10] [10362.466705][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10362.466705][ T10] netdev_get_by_index+0x5e/0x80 [10362.466705][ T10] fib6_nh_init+0x3d8/0x1580 [10362.466705][ T10] ip6_route_info_create+0xf18/0x17d0 [10362.466705][ T10] addrconf_f6i_alloc+0x315/0x560 [10362.466705][ T10] ipv6_add_addr+0x411/0x2000 [10362.466705][ T10] inet6_addr_add+0x30e/0xa40 [10362.466705][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10362.466705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10362.466705][ T10] netlink_rcv_skb+0x130/0x360 [10362.466705][ T10] netlink_unicast+0x449/0x710 [10362.466705][ T10] netlink_sendmsg+0x723/0xbe0 [10362.466705][ T10] ____sys_sendmsg+0x7b2/0xa10 [10362.466705][ T10] ___sys_sendmsg+0xee/0x170 [10362.466705][ T10] __sys_sendmsg+0xcd/0x170 [10362.466705][ T10] do_syscall_64+0xc6/0x1e0 [10362.466705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10362.466705][ T10] [10362.491242][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10362.491242][ T10] netdev_get_by_index+0x5e/0x80 [10362.491242][ T10] fib6_nh_init+0x3d8/0x1580 [10362.491242][ T10] ip6_route_info_create+0xf18/0x17d0 [10362.491242][ T10] ip6_route_add+0x1c/0x140 [10362.491242][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10362.491242][ T10] addrconf_add_dev+0xe2/0x170 [10362.491242][ T10] inet6_addr_add+0x12f/0xa40 [10362.491242][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10362.491242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10362.491242][ T10] netlink_rcv_skb+0x130/0x360 [10362.491242][ T10] netlink_unicast+0x449/0x710 [10362.491242][ T10] netlink_sendmsg+0x723/0xbe0 [10362.491242][ T10] ____sys_sendmsg+0x7b2/0xa10 [10362.491242][ T10] ___sys_sendmsg+0xee/0x170 [10362.491242][ T10] __sys_sendmsg+0xcd/0x170 [10362.491242][ T10] do_syscall_64+0xc6/0x1e0 [10362.491242][ T10] [10362.510050][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10362.510050][ T10] ipv6_add_dev+0x3ba/0x11c0 [10362.510050][ T10] ipv6_find_idev+0x102/0x170 [10362.510050][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10362.510050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10362.510050][ T10] netlink_rcv_skb+0x130/0x360 [10362.510050][ T10] netlink_unicast+0x449/0x710 [10362.510050][ T10] netlink_sendmsg+0x723/0xbe0 [10362.510050][ T10] ____sys_sendmsg+0x7b2/0xa10 [10362.510050][ T10] ___sys_sendmsg+0xee/0x170 [10362.510050][ T10] __sys_sendmsg+0xcd/0x170 [10362.510050][ T10] do_syscall_64+0xc6/0x1e0 [10362.510050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10362.510050][ T10] [10362.521690][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10362.521690][ T10] neigh_parms_alloc+0x1e5/0x510 [10362.521690][ T10] ipv6_add_dev+0x2fe/0x11c0 [10362.521690][ T10] ipv6_find_idev+0x102/0x170 [10362.521690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10362.521690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10362.521690][ T10] netlink_rcv_skb+0x130/0x360 [10362.521690][ T10] netlink_unicast+0x449/0x710 [10362.521690][ T10] netlink_sendmsg+0x723/0xbe0 [10362.521690][ T10] ____sys_sendmsg+0x7b2/0xa10 [10362.521690][ T10] ___sys_sendmsg+0xee/0x170 [10362.521690][ T10] __sys_sendmsg+0xcd/0x170 [10362.521690][ T10] do_syscall_64+0xc6/0x1e0 [10362.521690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10362.521690][ T10] [10362.526729][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10362.527416][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10362.527416][ T10] netdev_get_by_index+0x5e/0x80 [10362.527416][ T10] fib6_nh_init+0x3d8/0x1580 [10362.527416][ T10] ip6_route_info_create+0xf18/0x17d0 [10362.527416][ T10] addrconf_f6i_alloc+0x265/0x560 [10362.527416][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10362.527416][ T10] addrconf_join_anycast+0x1c0/0x220 [10362.527416][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10362.527416][ T10] addrconf_dad_completed+0x12b/0xe20 [10362.527416][ T10] addrconf_dad_begin+0x310/0x670 [10362.527416][ T10] addrconf_dad_work+0x10b/0xab0 [10362.527416][ T10] process_one_work+0x84d/0x18a0 [10362.527416][ T10] worker_thread+0x587/0xd30 [10362.527416][ T10] kthread+0x28a/0x350 [10362.527416][ T10] ret_from_fork+0x31/0x70 [10362.527416][ T10] ret_from_fork_asm+0x1a/0x30 [10362.527416][ T10] [10362.558630][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10362.558630][ T10] netdev_get_by_index+0x5e/0x80 [10362.558630][ T10] fib6_nh_init+0x3d8/0x1580 [10362.558630][ T10] ip6_route_info_create+0xf18/0x17d0 [10362.558630][ T10] ip6_route_add+0x1c/0x140 [10362.558630][ T10] addrconf_prefix_route+0x2a6/0x430 [10362.558630][ T10] inet6_addr_add+0x4f8/0xa40 [10362.558630][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10362.558630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10362.558630][ T10] netlink_rcv_skb+0x130/0x360 [10362.558630][ T10] netlink_unicast+0x449/0x710 [10362.558630][ T10] netlink_sendmsg+0x723/0xbe0 [10362.558630][ T10] ____sys_sendmsg+0x7b2/0xa10 [10362.558630][ T10] ___sys_sendmsg+0xee/0x170 [10362.558630][ T10] __sys_sendmsg+0xcd/0x170 [10362.558630][ T10] do_syscall_64+0xc6/0x1e0 [10362.558630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10362.558630][ T10] [10362.569035][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10362.569035][ T10] netdev_get_by_index+0x5e/0x80 [10362.569035][ T10] fib6_nh_init+0x3d8/0x1580 [10362.569035][ T10] ip6_route_info_create+0xf18/0x17d0 [10362.569035][ T10] addrconf_f6i_alloc+0x315/0x560 [10362.569035][ T10] ipv6_add_addr+0x411/0x2000 [10362.569035][ T10] inet6_addr_add+0x30e/0xa40 [10362.569035][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10362.569035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10362.569035][ T10] netlink_rcv_skb+0x130/0x360 [10362.569035][ T10] netlink_unicast+0x449/0x710 [10362.569035][ T10] netlink_sendmsg+0x723/0xbe0 [10362.569035][ T10] ____sys_sendmsg+0x7b2/0xa10 [10362.569035][ T10] ___sys_sendmsg+0xee/0x170 [10362.569035][ T10] __sys_sendmsg+0xcd/0x170 [10362.569035][ T10] do_syscall_64+0xc6/0x1e0 [10362.569035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10362.569035][ T10] [10362.583219][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10362.583219][ T10] netdev_get_by_index+0x5e/0x80 [10362.583219][ T10] fib6_nh_init+0x3d8/0x1580 [10362.583219][ T10] ip6_route_info_create+0xf18/0x17d0 [10362.583219][ T10] ip6_route_add+0x1c/0x140 [10362.583219][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10362.583219][ T10] addrconf_add_dev+0xe2/0x170 [10362.583219][ T10] inet6_addr_add+0x12f/0xa40 [10362.583219][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10362.583219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10362.583219][ T10] netlink_rcv_skb+0x130/0x360 [10362.583219][ T10] netlink_unicast+0x449/0x710 [10362.583219][ T10] netlink_sendmsg+0x723/0xbe0 [10362.583219][ T10] ____sys_sendmsg+0x7b2/0xa10 [10362.583219][ T10] ___sys_sendmsg+0xee/0x170 [10362.583219][ T10] __sys_sendmsg+0xcd/0x170 [10362.583219][ T10] do_syscall_64+0xc6/0x1e0 [10362.583219][ T10] [10362.592578][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10362.592578][ T10] ipv6_add_dev+0x3ba/0x11c0 [10362.592578][ T10] ipv6_find_idev+0x102/0x170 [10362.592578][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10362.592578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10362.592578][ T10] netlink_rcv_skb+0x130/0x360 [10362.592578][ T10] netlink_unicast+0x449/0x710 [10362.592578][ T10] netlink_sendmsg+0x723/0xbe0 [10362.592578][ T10] ____sys_sendmsg+0x7b2/0xa10 [10362.592578][ T10] ___sys_sendmsg+0xee/0x170 [10362.592578][ T10] __sys_sendmsg+0xcd/0x170 [10362.592578][ T10] do_syscall_64+0xc6/0x1e0 [10362.592578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10362.592578][ T10] [10362.660380][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10362.660380][ T10] neigh_parms_alloc+0x1e5/0x510 [10362.660380][ T10] ipv6_add_dev+0x2fe/0x11c0 [10362.660380][ T10] ipv6_find_idev+0x102/0x170 [10362.660380][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10362.660380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10362.660380][ T10] netlink_rcv_skb+0x130/0x360 [10362.660380][ T10] netlink_unicast+0x449/0x710 [10362.660380][ T10] netlink_sendmsg+0x723/0xbe0 [10362.660380][ T10] ____sys_sendmsg+0x7b2/0xa10 [10362.660380][ T10] ___sys_sendmsg+0xee/0x170 [10362.660380][ T10] __sys_sendmsg+0xcd/0x170 [10362.660380][ T10] do_syscall_64+0xc6/0x1e0 [10362.660380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10362.660380][ T10] [10362.664354][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10362.664920][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10362.664920][ T10] netdev_get_by_index+0x5e/0x80 [10362.664920][ T10] fib6_nh_init+0x3d8/0x1580 [10362.664920][ T10] ip6_route_info_create+0xf18/0x17d0 [10362.664920][ T10] addrconf_f6i_alloc+0x265/0x560 [10362.664920][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10362.664920][ T10] addrconf_join_anycast+0x1c0/0x220 [10362.664920][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10362.664920][ T10] addrconf_dad_completed+0x12b/0xe20 [10362.664920][ T10] addrconf_dad_begin+0x310/0x670 [10362.664920][ T10] addrconf_dad_work+0x10b/0xab0 [10362.664920][ T10] process_one_work+0x84d/0x18a0 [10362.664920][ T10] worker_thread+0x587/0xd30 [10362.664920][ T10] kthread+0x28a/0x350 [10362.664920][ T10] ret_from_fork+0x31/0x70 [10362.664920][ T10] ret_from_fork_asm+0x1a/0x30 [10362.664920][ T10] [10362.669317][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10362.669317][ T10] netdev_get_by_index+0x5e/0x80 [10362.669317][ T10] fib6_nh_init+0x3d8/0x1580 [10362.669317][ T10] ip6_route_info_create+0xf18/0x17d0 [10362.669317][ T10] ip6_route_add+0x1c/0x140 [10362.669317][ T10] addrconf_prefix_route+0x2a6/0x430 [10362.669317][ T10] inet6_addr_add+0x4f8/0xa40 [10362.669317][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10362.669317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10362.669317][ T10] netlink_rcv_skb+0x130/0x360 [10362.669317][ T10] netlink_unicast+0x449/0x710 [10362.669317][ T10] netlink_sendmsg+0x723/0xbe0 [10362.669317][ T10] ____sys_sendmsg+0x7b2/0xa10 [10362.669317][ T10] ___sys_sendmsg+0xee/0x170 [10362.669317][ T10] __sys_sendmsg+0xcd/0x170 [10362.669317][ T10] do_syscall_64+0xc6/0x1e0 [10362.669317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10362.669317][ T10] [10362.674338][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10362.674338][ T10] netdev_get_by_index+0x5e/0x80 [10362.674338][ T10] fib6_nh_init+0x3d8/0x1580 [10362.674338][ T10] ip6_route_info_create+0xf18/0x17d0 [10362.674338][ T10] addrconf_f6i_alloc+0x315/0x560 [10362.674338][ T10] ipv6_add_addr+0x411/0x2000 [10362.674338][ T10] inet6_addr_add+0x30e/0xa40 [10362.674338][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10362.674338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10362.674338][ T10] netlink_rcv_skb+0x130/0x360 [10362.674338][ T10] netlink_unicast+0x449/0x710 [10362.674338][ T10] netlink_sendmsg+0x723/0xbe0 [10362.674338][ T10] ____sys_sendmsg+0x7b2/0xa10 [10362.674338][ T10] ___sys_sendmsg+0xee/0x170 [10362.674338][ T10] __sys_sendmsg+0xcd/0x170 [10362.674338][ T10] do_syscall_64+0xc6/0x1e0 [10362.674338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10362.674338][ T10] [10362.679288][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10362.679288][ T10] netdev_get_by_index+0x5e/0x80 [10362.679288][ T10] fib6_nh_init+0x3d8/0x1580 [10362.679288][ T10] ip6_route_info_create+0xf18/0x17d0 [10362.679288][ T10] ip6_route_add+0x1c/0x140 [10362.679288][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10362.679288][ T10] addrconf_add_dev+0xe2/0x170 [10362.679288][ T10] inet6_addr_add+0x12f/0xa40 [10362.679288][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10362.679288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10362.679288][ T10] netlink_rcv_skb+0x130/0x360 [10362.679288][ T10] netlink_unicast+0x449/0x710 [10362.679288][ T10] netlink_sendmsg+0x723/0xbe0 [10362.679288][ T10] ____sys_sendmsg+0x7b2/0xa10 [10362.679288][ T10] ___sys_sendmsg+0xee/0x170 [10362.679288][ T10] __sys_sendmsg+0xcd/0x170 [10362.679288][ T10] do_syscall_64+0xc6/0x1e0 [10362.679288][ T10] [10362.727273][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10362.727273][ T10] ipv6_add_dev+0x3ba/0x11c0 [10362.727273][ T10] ipv6_find_idev+0x102/0x170 [10362.727273][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10362.727273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10362.727273][ T10] netlink_rcv_skb+0x130/0x360 [10362.727273][ T10] netlink_unicast+0x449/0x710 [10362.727273][ T10] netlink_sendmsg+0x723/0xbe0 [10362.727273][ T10] ____sys_sendmsg+0x7b2/0xa10 [10362.727273][ T10] ___sys_sendmsg+0xee/0x170 [10362.727273][ T10] __sys_sendmsg+0xcd/0x170 [10362.727273][ T10] do_syscall_64+0xc6/0x1e0 [10362.727273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10362.727273][ T10] [10362.731211][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10362.731211][ T10] neigh_parms_alloc+0x1e5/0x510 [10362.731211][ T10] ipv6_add_dev+0x2fe/0x11c0 [10362.731211][ T10] ipv6_find_idev+0x102/0x170 [10362.731211][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10362.731211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10362.731211][ T10] netlink_rcv_skb+0x130/0x360 [10362.731211][ T10] netlink_unicast+0x449/0x710 [10362.731211][ T10] netlink_sendmsg+0x723/0xbe0 [10362.731211][ T10] ____sys_sendmsg+0x7b2/0xa10 [10362.731211][ T10] ___sys_sendmsg+0xee/0x170 [10362.731211][ T10] __sys_sendmsg+0xcd/0x170 [10362.731211][ T10] do_syscall_64+0xc6/0x1e0 [10362.731211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10362.731211][ T10] [10362.799242][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10362.799919][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10362.799919][ T10] netdev_get_by_index+0x5e/0x80 [10362.799919][ T10] fib6_nh_init+0x3d8/0x1580 [10362.799919][ T10] ip6_route_info_create+0xf18/0x17d0 [10362.799919][ T10] addrconf_f6i_alloc+0x265/0x560 [10362.799919][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10362.799919][ T10] addrconf_join_anycast+0x1c0/0x220 [10362.799919][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10362.799919][ T10] addrconf_dad_completed+0x12b/0xe20 [10362.799919][ T10] addrconf_dad_begin+0x310/0x670 [10362.799919][ T10] addrconf_dad_work+0x10b/0xab0 [10362.799919][ T10] process_one_work+0x84d/0x18a0 [10362.799919][ T10] worker_thread+0x587/0xd30 [10362.799919][ T10] kthread+0x28a/0x350 [10362.799919][ T10] ret_from_fork+0x31/0x70 [10362.799919][ T10] ret_from_fork_asm+0x1a/0x30 [10362.799919][ T10] [10362.813370][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10362.813370][ T10] netdev_get_by_index+0x5e/0x80 [10362.813370][ T10] fib6_nh_init+0x3d8/0x1580 [10362.813370][ T10] ip6_route_info_create+0xf18/0x17d0 [10362.813370][ T10] ip6_route_add+0x1c/0x140 [10362.813370][ T10] addrconf_prefix_route+0x2a6/0x430 [10362.813370][ T10] inet6_addr_add+0x4f8/0xa40 [10362.813370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10362.813370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10362.813370][ T10] netlink_rcv_skb+0x130/0x360 [10362.813370][ T10] netlink_unicast+0x449/0x710 [10362.813370][ T10] netlink_sendmsg+0x723/0xbe0 [10362.813370][ T10] ____sys_sendmsg+0x7b2/0xa10 [10362.813370][ T10] ___sys_sendmsg+0xee/0x170 [10362.813370][ T10] __sys_sendmsg+0xcd/0x170 [10362.813370][ T10] do_syscall_64+0xc6/0x1e0 [10362.813370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10362.813370][ T10] [10362.846750][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10362.846750][ T10] netdev_get_by_index+0x5e/0x80 [10362.846750][ T10] fib6_nh_init+0x3d8/0x1580 [10362.846750][ T10] ip6_route_info_create+0xf18/0x17d0 [10362.846750][ T10] addrconf_f6i_alloc+0x315/0x560 [10362.846750][ T10] ipv6_add_addr+0x411/0x2000 [10362.846750][ T10] inet6_addr_add+0x30e/0xa40 [10362.846750][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10362.846750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10362.846750][ T10] netlink_rcv_skb+0x130/0x360 [10362.846750][ T10] netlink_unicast+0x449/0x710 [10362.846750][ T10] netlink_sendmsg+0x723/0xbe0 [10362.846750][ T10] ____sys_sendmsg+0x7b2/0xa10 [10362.846750][ T10] ___sys_sendmsg+0xee/0x170 [10362.846750][ T10] __sys_sendmsg+0xcd/0x170 [10362.846750][ T10] do_syscall_64+0xc6/0x1e0 [10362.846750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10362.846750][ T10] [10362.863043][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10362.863043][ T10] netdev_get_by_index+0x5e/0x80 [10362.863043][ T10] fib6_nh_init+0x3d8/0x1580 [10362.863043][ T10] ip6_route_info_create+0xf18/0x17d0 [10362.863043][ T10] ip6_route_add+0x1c/0x140 [10362.863043][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10362.863043][ T10] addrconf_add_dev+0xe2/0x170 [10362.863043][ T10] inet6_addr_add+0x12f/0xa40 [10362.863043][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10362.863043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10362.863043][ T10] netlink_rcv_skb+0x130/0x360 [10362.863043][ T10] netlink_unicast+0x449/0x710 [10362.863043][ T10] netlink_sendmsg+0x723/0xbe0 [10362.863043][ T10] ____sys_sendmsg+0x7b2/0xa10 [10362.863043][ T10] ___sys_sendmsg+0xee/0x170 [10362.863043][ T10] __sys_sendmsg+0xcd/0x170 [10362.863043][ T10] do_syscall_64+0xc6/0x1e0 [10362.863043][ T10] [10362.867792][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10362.867792][ T10] ipv6_add_dev+0x3ba/0x11c0 [10362.867792][ T10] ipv6_find_idev+0x102/0x170 [10362.867792][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10362.867792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10362.867792][ T10] netlink_rcv_skb+0x130/0x360 [10362.867792][ T10] netlink_unicast+0x449/0x710 [10362.867792][ T10] netlink_sendmsg+0x723/0xbe0 [10362.867792][ T10] ____sys_sendmsg+0x7b2/0xa10 [10362.867792][ T10] ___sys_sendmsg+0xee/0x170 [10362.867792][ T10] __sys_sendmsg+0xcd/0x170 [10362.867792][ T10] do_syscall_64+0xc6/0x1e0 [10362.867792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10362.867792][ T10] [10362.924122][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10362.924122][ T10] neigh_parms_alloc+0x1e5/0x510 [10362.924122][ T10] ipv6_add_dev+0x2fe/0x11c0 [10362.924122][ T10] ipv6_find_idev+0x102/0x170 [10362.924122][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10362.924122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10362.924122][ T10] netlink_rcv_skb+0x130/0x360 [10362.924122][ T10] netlink_unicast+0x449/0x710 [10362.924122][ T10] netlink_sendmsg+0x723/0xbe0 [10362.924122][ T10] ____sys_sendmsg+0x7b2/0xa10 [10362.924122][ T10] ___sys_sendmsg+0xee/0x170 [10362.924122][ T10] __sys_sendmsg+0xcd/0x170 [10362.924122][ T10] do_syscall_64+0xc6/0x1e0 [10362.924122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10362.924122][ T10] [10367.884178][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10367.909963][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10367.909963][ T1167] dst_init+0x84/0x4a0 [10367.909963][ T1167] dst_alloc+0x97/0x150 [10367.909963][ T1167] ip6_dst_alloc+0x23/0x90 [10367.909963][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10367.909963][ T1167] ip6_pol_route+0x56f/0x840 [10367.909963][ T1167] fib6_rule_lookup+0x334/0x630 [10367.909963][ T1167] ip6_route_output_flags+0x259/0x480 [10367.909963][ T1167] inet6_rtm_getroute+0x980/0xf70 [10367.909963][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10367.909963][ T1167] netlink_rcv_skb+0x130/0x360 [10367.909963][ T1167] netlink_unicast+0x449/0x710 [10367.909963][ T1167] netlink_sendmsg+0x723/0xbe0 [10367.909963][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10367.909963][ T1167] ___sys_sendmsg+0xee/0x170 [10367.909963][ T1167] __sys_sendmsg+0xcd/0x170 [10367.909963][ T1167] do_syscall_64+0xc6/0x1e0 [10367.909963][ T1167] [10367.915014][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10367.915014][ T1167] netdev_get_by_index+0x5e/0x80 [10367.915014][ T1167] fib6_nh_init+0x3d8/0x1580 [10367.915014][ T1167] ip6_route_info_create+0xf18/0x17d0 [10367.915014][ T1167] addrconf_f6i_alloc+0x265/0x560 [10367.915014][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10367.915014][ T1167] addrconf_join_anycast+0x1c0/0x220 [10367.915014][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10367.915014][ T1167] addrconf_dad_completed+0x12b/0xe20 [10367.915014][ T1167] addrconf_dad_begin+0x310/0x670 [10367.915014][ T1167] addrconf_dad_work+0x10b/0xab0 [10367.915014][ T1167] process_one_work+0x84d/0x18a0 [10367.915014][ T1167] worker_thread+0x587/0xd30 [10367.915014][ T1167] kthread+0x28a/0x350 [10367.915014][ T1167] ret_from_fork+0x31/0x70 [10367.915014][ T1167] ret_from_fork_asm+0x1a/0x30 [10367.915014][ T1167] [10367.940300][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10367.940300][ T1167] netdev_get_by_index+0x5e/0x80 [10367.940300][ T1167] fib6_nh_init+0x3d8/0x1580 [10367.940300][ T1167] ip6_route_info_create+0xf18/0x17d0 [10367.940300][ T1167] ip6_route_add+0x1c/0x140 [10367.940300][ T1167] addrconf_prefix_route+0x2a6/0x430 [10367.940300][ T1167] inet6_addr_add+0x4f8/0xa40 [10367.940300][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10367.940300][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10367.940300][ T1167] netlink_rcv_skb+0x130/0x360 [10367.940300][ T1167] netlink_unicast+0x449/0x710 [10367.940300][ T1167] netlink_sendmsg+0x723/0xbe0 [10367.940300][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10367.940300][ T1167] ___sys_sendmsg+0xee/0x170 [10367.940300][ T1167] __sys_sendmsg+0xcd/0x170 [10367.940300][ T1167] do_syscall_64+0xc6/0x1e0 [10367.940300][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10367.940300][ T1167] [10367.971872][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10367.971872][ T1167] netdev_get_by_index+0x5e/0x80 [10367.971872][ T1167] fib6_nh_init+0x3d8/0x1580 [10367.971872][ T1167] ip6_route_info_create+0xf18/0x17d0 [10367.971872][ T1167] addrconf_f6i_alloc+0x315/0x560 [10367.971872][ T1167] ipv6_add_addr+0x411/0x2000 [10367.971872][ T1167] inet6_addr_add+0x30e/0xa40 [10367.971872][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10367.971872][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10367.971872][ T1167] netlink_rcv_skb+0x130/0x360 [10367.971872][ T1167] netlink_unicast+0x449/0x710 [10367.971872][ T1167] netlink_sendmsg+0x723/0xbe0 [10367.971872][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10367.971872][ T1167] ___sys_sendmsg+0xee/0x170 [10367.971872][ T1167] __sys_sendmsg+0xcd/0x170 [10367.971872][ T1167] do_syscall_64+0xc6/0x1e0 [10367.971872][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10367.971872][ T1167] [10367.989690][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10367.989690][ T1167] netdev_get_by_index+0x5e/0x80 [10367.989690][ T1167] fib6_nh_init+0x3d8/0x1580 [10367.989690][ T1167] ip6_route_info_create+0xf18/0x17d0 [10367.989690][ T1167] ip6_route_add+0x1c/0x140 [10367.989690][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10367.989690][ T1167] addrconf_add_dev+0xe2/0x170 [10367.989690][ T1167] inet6_addr_add+0x12f/0xa40 [10367.989690][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10367.989690][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10367.989690][ T1167] netlink_rcv_skb+0x130/0x360 [10367.989690][ T1167] netlink_unicast+0x449/0x710 [10367.989690][ T1167] netlink_sendmsg+0x723/0xbe0 [10367.989690][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10367.989690][ T1167] ___sys_sendmsg+0xee/0x170 [10367.989690][ T1167] __sys_sendmsg+0xcd/0x170 [10367.989690][ T1167] do_syscall_64+0xc6/0x1e0 [10367.989690][ T1167] [10368.015130][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10368.015130][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10368.015130][ T1167] ipv6_find_idev+0x102/0x170 [10368.015130][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10368.015130][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10368.015130][ T1167] netlink_rcv_skb+0x130/0x360 [10368.015130][ T1167] netlink_unicast+0x449/0x710 [10368.015130][ T1167] netlink_sendmsg+0x723/0xbe0 [10368.015130][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10368.015130][ T1167] ___sys_sendmsg+0xee/0x170 [10368.015130][ T1167] __sys_sendmsg+0xcd/0x170 [10368.015130][ T1167] do_syscall_64+0xc6/0x1e0 [10368.015130][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10368.015130][ T1167] [10368.035355][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10368.035355][ T1167] neigh_parms_alloc+0x1e5/0x510 [10368.035355][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10368.035355][ T1167] ipv6_find_idev+0x102/0x170 [10368.035355][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10368.035355][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10368.035355][ T1167] netlink_rcv_skb+0x130/0x360 [10368.035355][ T1167] netlink_unicast+0x449/0x710 [10368.035355][ T1167] netlink_sendmsg+0x723/0xbe0 [10368.035355][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10368.035355][ T1167] ___sys_sendmsg+0xee/0x170 [10368.035355][ T1167] __sys_sendmsg+0xcd/0x170 [10368.035355][ T1167] do_syscall_64+0xc6/0x1e0 [10368.035355][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10368.035355][ T1167] [10373.019655][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10373.029859][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10373.029859][ T10] netdev_get_by_index+0x5e/0x80 [10373.029859][ T10] fib6_nh_init+0x3d8/0x1580 [10373.029859][ T10] ip6_route_info_create+0xf18/0x17d0 [10373.029859][ T10] addrconf_f6i_alloc+0x265/0x560 [10373.029859][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10373.029859][ T10] addrconf_join_anycast+0x1c0/0x220 [10373.029859][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10373.029859][ T10] addrconf_dad_completed+0x12b/0xe20 [10373.029859][ T10] addrconf_dad_begin+0x310/0x670 [10373.029859][ T10] addrconf_dad_work+0x10b/0xab0 [10373.029859][ T10] process_one_work+0x84d/0x18a0 [10373.029859][ T10] worker_thread+0x587/0xd30 [10373.029859][ T10] kthread+0x28a/0x350 [10373.029859][ T10] ret_from_fork+0x31/0x70 [10373.029859][ T10] ret_from_fork_asm+0x1a/0x30 [10373.029859][ T10] [10373.034438][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10373.034438][ T10] netdev_get_by_index+0x5e/0x80 [10373.034438][ T10] fib6_nh_init+0x3d8/0x1580 [10373.034438][ T10] ip6_route_info_create+0xf18/0x17d0 [10373.034438][ T10] ip6_route_add+0x1c/0x140 [10373.034438][ T10] addrconf_prefix_route+0x2a6/0x430 [10373.034438][ T10] inet6_addr_add+0x4f8/0xa40 [10373.034438][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10373.034438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10373.034438][ T10] netlink_rcv_skb+0x130/0x360 [10373.034438][ T10] netlink_unicast+0x449/0x710 [10373.034438][ T10] netlink_sendmsg+0x723/0xbe0 [10373.034438][ T10] ____sys_sendmsg+0x7b2/0xa10 [10373.034438][ T10] ___sys_sendmsg+0xee/0x170 [10373.034438][ T10] __sys_sendmsg+0xcd/0x170 [10373.034438][ T10] do_syscall_64+0xc6/0x1e0 [10373.034438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10373.034438][ T10] [10373.039074][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10373.039074][ T10] netdev_get_by_index+0x5e/0x80 [10373.039074][ T10] fib6_nh_init+0x3d8/0x1580 [10373.039074][ T10] ip6_route_info_create+0xf18/0x17d0 [10373.039074][ T10] addrconf_f6i_alloc+0x315/0x560 [10373.039074][ T10] ipv6_add_addr+0x411/0x2000 [10373.039074][ T10] inet6_addr_add+0x30e/0xa40 [10373.039074][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10373.039074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10373.039074][ T10] netlink_rcv_skb+0x130/0x360 [10373.039074][ T10] netlink_unicast+0x449/0x710 [10373.039074][ T10] netlink_sendmsg+0x723/0xbe0 [10373.039074][ T10] ____sys_sendmsg+0x7b2/0xa10 [10373.039074][ T10] ___sys_sendmsg+0xee/0x170 [10373.039074][ T10] __sys_sendmsg+0xcd/0x170 [10373.039074][ T10] do_syscall_64+0xc6/0x1e0 [10373.039074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10373.039074][ T10] [10373.133307][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10373.133307][ T10] netdev_get_by_index+0x5e/0x80 [10373.133307][ T10] fib6_nh_init+0x3d8/0x1580 [10373.133307][ T10] ip6_route_info_create+0xf18/0x17d0 [10373.133307][ T10] ip6_route_add+0x1c/0x140 [10373.133307][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10373.133307][ T10] addrconf_add_dev+0xe2/0x170 [10373.133307][ T10] inet6_addr_add+0x12f/0xa40 [10373.133307][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10373.133307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10373.133307][ T10] netlink_rcv_skb+0x130/0x360 [10373.133307][ T10] netlink_unicast+0x449/0x710 [10373.133307][ T10] netlink_sendmsg+0x723/0xbe0 [10373.133307][ T10] ____sys_sendmsg+0x7b2/0xa10 [10373.133307][ T10] ___sys_sendmsg+0xee/0x170 [10373.133307][ T10] __sys_sendmsg+0xcd/0x170 [10373.133307][ T10] do_syscall_64+0xc6/0x1e0 [10373.133307][ T10] [10373.138147][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10373.138147][ T10] ipv6_add_dev+0x3ba/0x11c0 [10373.138147][ T10] ipv6_find_idev+0x102/0x170 [10373.138147][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10373.138147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10373.138147][ T10] netlink_rcv_skb+0x130/0x360 [10373.138147][ T10] netlink_unicast+0x449/0x710 [10373.138147][ T10] netlink_sendmsg+0x723/0xbe0 [10373.138147][ T10] ____sys_sendmsg+0x7b2/0xa10 [10373.138147][ T10] ___sys_sendmsg+0xee/0x170 [10373.138147][ T10] __sys_sendmsg+0xcd/0x170 [10373.138147][ T10] do_syscall_64+0xc6/0x1e0 [10373.138147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10373.138147][ T10] [10373.141696][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10373.141696][ T10] neigh_parms_alloc+0x1e5/0x510 [10373.141696][ T10] ipv6_add_dev+0x2fe/0x11c0 [10373.141696][ T10] ipv6_find_idev+0x102/0x170 [10373.141696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10373.141696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10373.141696][ T10] netlink_rcv_skb+0x130/0x360 [10373.141696][ T10] netlink_unicast+0x449/0x710 [10373.141696][ T10] netlink_sendmsg+0x723/0xbe0 [10373.141696][ T10] ____sys_sendmsg+0x7b2/0xa10 [10373.141696][ T10] ___sys_sendmsg+0xee/0x170 [10373.141696][ T10] __sys_sendmsg+0xcd/0x170 [10373.141696][ T10] do_syscall_64+0xc6/0x1e0 [10373.141696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10373.141696][ T10] [10373.202540][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10373.203167][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10373.203167][ T10] netdev_get_by_index+0x5e/0x80 [10373.203167][ T10] fib6_nh_init+0x3d8/0x1580 [10373.203167][ T10] ip6_route_info_create+0xf18/0x17d0 [10373.203167][ T10] addrconf_f6i_alloc+0x265/0x560 [10373.203167][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10373.203167][ T10] addrconf_join_anycast+0x1c0/0x220 [10373.203167][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10373.203167][ T10] addrconf_dad_completed+0x12b/0xe20 [10373.203167][ T10] addrconf_dad_begin+0x310/0x670 [10373.203167][ T10] addrconf_dad_work+0x10b/0xab0 [10373.203167][ T10] process_one_work+0x84d/0x18a0 [10373.203167][ T10] worker_thread+0x587/0xd30 [10373.203167][ T10] kthread+0x28a/0x350 [10373.203167][ T10] ret_from_fork+0x31/0x70 [10373.203167][ T10] ret_from_fork_asm+0x1a/0x30 [10373.203167][ T10] [10373.207498][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10373.207498][ T10] netdev_get_by_index+0x5e/0x80 [10373.207498][ T10] fib6_nh_init+0x3d8/0x1580 [10373.207498][ T10] ip6_route_info_create+0xf18/0x17d0 [10373.207498][ T10] ip6_route_add+0x1c/0x140 [10373.207498][ T10] addrconf_prefix_route+0x2a6/0x430 [10373.207498][ T10] inet6_addr_add+0x4f8/0xa40 [10373.207498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10373.207498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10373.207498][ T10] netlink_rcv_skb+0x130/0x360 [10373.207498][ T10] netlink_unicast+0x449/0x710 [10373.207498][ T10] netlink_sendmsg+0x723/0xbe0 [10373.207498][ T10] ____sys_sendmsg+0x7b2/0xa10 [10373.207498][ T10] ___sys_sendmsg+0xee/0x170 [10373.207498][ T10] __sys_sendmsg+0xcd/0x170 [10373.207498][ T10] do_syscall_64+0xc6/0x1e0 [10373.207498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10373.207498][ T10] [10373.243069][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10373.243069][ T10] netdev_get_by_index+0x5e/0x80 [10373.243069][ T10] fib6_nh_init+0x3d8/0x1580 [10373.243069][ T10] ip6_route_info_create+0xf18/0x17d0 [10373.243069][ T10] addrconf_f6i_alloc+0x315/0x560 [10373.243069][ T10] ipv6_add_addr+0x411/0x2000 [10373.243069][ T10] inet6_addr_add+0x30e/0xa40 [10373.243069][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10373.243069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10373.243069][ T10] netlink_rcv_skb+0x130/0x360 [10373.243069][ T10] netlink_unicast+0x449/0x710 [10373.243069][ T10] netlink_sendmsg+0x723/0xbe0 [10373.243069][ T10] ____sys_sendmsg+0x7b2/0xa10 [10373.243069][ T10] ___sys_sendmsg+0xee/0x170 [10373.243069][ T10] __sys_sendmsg+0xcd/0x170 [10373.243069][ T10] do_syscall_64+0xc6/0x1e0 [10373.243069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10373.243069][ T10] [10373.307321][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10373.307321][ T10] netdev_get_by_index+0x5e/0x80 [10373.307321][ T10] fib6_nh_init+0x3d8/0x1580 [10373.307321][ T10] ip6_route_info_create+0xf18/0x17d0 [10373.307321][ T10] ip6_route_add+0x1c/0x140 [10373.307321][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10373.307321][ T10] addrconf_add_dev+0xe2/0x170 [10373.307321][ T10] inet6_addr_add+0x12f/0xa40 [10373.307321][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10373.307321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10373.307321][ T10] netlink_rcv_skb+0x130/0x360 [10373.307321][ T10] netlink_unicast+0x449/0x710 [10373.307321][ T10] netlink_sendmsg+0x723/0xbe0 [10373.307321][ T10] ____sys_sendmsg+0x7b2/0xa10 [10373.307321][ T10] ___sys_sendmsg+0xee/0x170 [10373.307321][ T10] __sys_sendmsg+0xcd/0x170 [10373.307321][ T10] do_syscall_64+0xc6/0x1e0 [10373.307321][ T10] [10373.311832][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10373.311832][ T10] ipv6_add_dev+0x3ba/0x11c0 [10373.311832][ T10] ipv6_find_idev+0x102/0x170 [10373.311832][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10373.311832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10373.311832][ T10] netlink_rcv_skb+0x130/0x360 [10373.311832][ T10] netlink_unicast+0x449/0x710 [10373.311832][ T10] netlink_sendmsg+0x723/0xbe0 [10373.311832][ T10] ____sys_sendmsg+0x7b2/0xa10 [10373.311832][ T10] ___sys_sendmsg+0xee/0x170 [10373.311832][ T10] __sys_sendmsg+0xcd/0x170 [10373.311832][ T10] do_syscall_64+0xc6/0x1e0 [10373.311832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10373.311832][ T10] [10373.315051][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10373.315051][ T10] neigh_parms_alloc+0x1e5/0x510 [10373.315051][ T10] ipv6_add_dev+0x2fe/0x11c0 [10373.315051][ T10] ipv6_find_idev+0x102/0x170 [10373.315051][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10373.315051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10373.315051][ T10] netlink_rcv_skb+0x130/0x360 [10373.315051][ T10] netlink_unicast+0x449/0x710 [10373.315051][ T10] netlink_sendmsg+0x723/0xbe0 [10373.315051][ T10] ____sys_sendmsg+0x7b2/0xa10 [10373.315051][ T10] ___sys_sendmsg+0xee/0x170 [10373.315051][ T10] __sys_sendmsg+0xcd/0x170 [10373.315051][ T10] do_syscall_64+0xc6/0x1e0 [10373.315051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10373.315051][ T10] [10373.345253][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10373.346008][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10373.346008][ T10] netdev_get_by_index+0x5e/0x80 [10373.346008][ T10] fib6_nh_init+0x3d8/0x1580 [10373.346008][ T10] ip6_route_info_create+0xf18/0x17d0 [10373.346008][ T10] addrconf_f6i_alloc+0x265/0x560 [10373.346008][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10373.346008][ T10] addrconf_join_anycast+0x1c0/0x220 [10373.346008][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10373.346008][ T10] addrconf_dad_completed+0x12b/0xe20 [10373.346008][ T10] addrconf_dad_begin+0x310/0x670 [10373.346008][ T10] addrconf_dad_work+0x10b/0xab0 [10373.346008][ T10] process_one_work+0x84d/0x18a0 [10373.346008][ T10] worker_thread+0x587/0xd30 [10373.346008][ T10] kthread+0x28a/0x350 [10373.346008][ T10] ret_from_fork+0x31/0x70 [10373.346008][ T10] ret_from_fork_asm+0x1a/0x30 [10373.346008][ T10] [10373.413472][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10373.413472][ T10] netdev_get_by_index+0x5e/0x80 [10373.413472][ T10] fib6_nh_init+0x3d8/0x1580 [10373.413472][ T10] ip6_route_info_create+0xf18/0x17d0 [10373.413472][ T10] ip6_route_add+0x1c/0x140 [10373.413472][ T10] addrconf_prefix_route+0x2a6/0x430 [10373.413472][ T10] inet6_addr_add+0x4f8/0xa40 [10373.413472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10373.413472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10373.413472][ T10] netlink_rcv_skb+0x130/0x360 [10373.413472][ T10] netlink_unicast+0x449/0x710 [10373.413472][ T10] netlink_sendmsg+0x723/0xbe0 [10373.413472][ T10] ____sys_sendmsg+0x7b2/0xa10 [10373.413472][ T10] ___sys_sendmsg+0xee/0x170 [10373.413472][ T10] __sys_sendmsg+0xcd/0x170 [10373.413472][ T10] do_syscall_64+0xc6/0x1e0 [10373.413472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10373.413472][ T10] [10373.418491][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10373.418491][ T10] netdev_get_by_index+0x5e/0x80 [10373.418491][ T10] fib6_nh_init+0x3d8/0x1580 [10373.418491][ T10] ip6_route_info_create+0xf18/0x17d0 [10373.418491][ T10] addrconf_f6i_alloc+0x315/0x560 [10373.418491][ T10] ipv6_add_addr+0x411/0x2000 [10373.418491][ T10] inet6_addr_add+0x30e/0xa40 [10373.418491][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10373.418491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10373.418491][ T10] netlink_rcv_skb+0x130/0x360 [10373.418491][ T10] netlink_unicast+0x449/0x710 [10373.418491][ T10] netlink_sendmsg+0x723/0xbe0 [10373.418491][ T10] ____sys_sendmsg+0x7b2/0xa10 [10373.418491][ T10] ___sys_sendmsg+0xee/0x170 [10373.418491][ T10] __sys_sendmsg+0xcd/0x170 [10373.418491][ T10] do_syscall_64+0xc6/0x1e0 [10373.418491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10373.418491][ T10] [10373.423919][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10373.423919][ T10] netdev_get_by_index+0x5e/0x80 [10373.423919][ T10] fib6_nh_init+0x3d8/0x1580 [10373.423919][ T10] ip6_route_info_create+0xf18/0x17d0 [10373.423919][ T10] ip6_route_add+0x1c/0x140 [10373.423919][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10373.423919][ T10] addrconf_add_dev+0xe2/0x170 [10373.423919][ T10] inet6_addr_add+0x12f/0xa40 [10373.423919][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10373.423919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10373.423919][ T10] netlink_rcv_skb+0x130/0x360 [10373.423919][ T10] netlink_unicast+0x449/0x710 [10373.423919][ T10] netlink_sendmsg+0x723/0xbe0 [10373.423919][ T10] ____sys_sendmsg+0x7b2/0xa10 [10373.423919][ T10] ___sys_sendmsg+0xee/0x170 [10373.423919][ T10] __sys_sendmsg+0xcd/0x170 [10373.423919][ T10] do_syscall_64+0xc6/0x1e0 [10373.423919][ T10] [10373.582417][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10373.582417][ T10] ipv6_add_dev+0x3ba/0x11c0 [10373.582417][ T10] ipv6_find_idev+0x102/0x170 [10373.582417][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10373.582417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10373.582417][ T10] netlink_rcv_skb+0x130/0x360 [10373.582417][ T10] netlink_unicast+0x449/0x710 [10373.582417][ T10] netlink_sendmsg+0x723/0xbe0 [10373.582417][ T10] ____sys_sendmsg+0x7b2/0xa10 [10373.582417][ T10] ___sys_sendmsg+0xee/0x170 [10373.582417][ T10] __sys_sendmsg+0xcd/0x170 [10373.582417][ T10] do_syscall_64+0xc6/0x1e0 [10373.582417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10373.582417][ T10] [10373.586554][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10373.586554][ T10] neigh_parms_alloc+0x1e5/0x510 [10373.586554][ T10] ipv6_add_dev+0x2fe/0x11c0 [10373.586554][ T10] ipv6_find_idev+0x102/0x170 [10373.586554][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10373.586554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10373.586554][ T10] netlink_rcv_skb+0x130/0x360 [10373.586554][ T10] netlink_unicast+0x449/0x710 [10373.586554][ T10] netlink_sendmsg+0x723/0xbe0 [10373.586554][ T10] ____sys_sendmsg+0x7b2/0xa10 [10373.586554][ T10] ___sys_sendmsg+0xee/0x170 [10373.586554][ T10] __sys_sendmsg+0xcd/0x170 [10373.586554][ T10] do_syscall_64+0xc6/0x1e0 [10373.586554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10373.586554][ T10] [10373.590961][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [10373.591550][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10373.591550][ T10] netdev_get_by_index+0x5e/0x80 [10373.591550][ T10] fib6_nh_init+0x3d8/0x1580 [10373.591550][ T10] ip6_route_info_create+0xf18/0x17d0 [10373.591550][ T10] addrconf_f6i_alloc+0x265/0x560 [10373.591550][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10373.591550][ T10] addrconf_join_anycast+0x1c0/0x220 [10373.591550][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10373.591550][ T10] addrconf_dad_completed+0x12b/0xe20 [10373.591550][ T10] addrconf_dad_begin+0x310/0x670 [10373.591550][ T10] addrconf_dad_work+0x10b/0xab0 [10373.591550][ T10] process_one_work+0x84d/0x18a0 [10373.591550][ T10] worker_thread+0x587/0xd30 [10373.591550][ T10] kthread+0x28a/0x350 [10373.591550][ T10] ret_from_fork+0x31/0x70 [10373.591550][ T10] ret_from_fork_asm+0x1a/0x30 [10373.591550][ T10] [10373.596226][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10373.596226][ T10] netdev_get_by_index+0x5e/0x80 [10373.596226][ T10] fib6_nh_init+0x3d8/0x1580 [10373.596226][ T10] ip6_route_info_create+0xf18/0x17d0 [10373.596226][ T10] ip6_route_add+0x1c/0x140 [10373.596226][ T10] addrconf_prefix_route+0x2a6/0x430 [10373.596226][ T10] inet6_addr_add+0x4f8/0xa40 [10373.596226][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10373.596226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10373.596226][ T10] netlink_rcv_skb+0x130/0x360 [10373.596226][ T10] netlink_unicast+0x449/0x710 [10373.596226][ T10] netlink_sendmsg+0x723/0xbe0 [10373.596226][ T10] ____sys_sendmsg+0x7b2/0xa10 [10373.596226][ T10] ___sys_sendmsg+0xee/0x170 [10373.596226][ T10] __sys_sendmsg+0xcd/0x170 [10373.596226][ T10] do_syscall_64+0xc6/0x1e0 [10373.596226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10373.596226][ T10] [10373.601252][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10373.601252][ T10] netdev_get_by_index+0x5e/0x80 [10373.601252][ T10] fib6_nh_init+0x3d8/0x1580 [10373.601252][ T10] ip6_route_info_create+0xf18/0x17d0 [10373.601252][ T10] addrconf_f6i_alloc+0x315/0x560 [10373.601252][ T10] ipv6_add_addr+0x411/0x2000 [10373.601252][ T10] inet6_addr_add+0x30e/0xa40 [10373.601252][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10373.601252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10373.601252][ T10] netlink_rcv_skb+0x130/0x360 [10373.601252][ T10] netlink_unicast+0x449/0x710 [10373.601252][ T10] netlink_sendmsg+0x723/0xbe0 [10373.601252][ T10] ____sys_sendmsg+0x7b2/0xa10 [10373.601252][ T10] ___sys_sendmsg+0xee/0x170 [10373.601252][ T10] __sys_sendmsg+0xcd/0x170 [10373.601252][ T10] do_syscall_64+0xc6/0x1e0 [10373.601252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10373.601252][ T10] [10373.606323][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10373.606323][ T10] netdev_get_by_index+0x5e/0x80 [10373.606323][ T10] fib6_nh_init+0x3d8/0x1580 [10373.606323][ T10] ip6_route_info_create+0xf18/0x17d0 [10373.606323][ T10] ip6_route_add+0x1c/0x140 [10373.606323][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10373.606323][ T10] addrconf_add_dev+0xe2/0x170 [10373.606323][ T10] inet6_addr_add+0x12f/0xa40 [10373.606323][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10373.606323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10373.606323][ T10] netlink_rcv_skb+0x130/0x360 [10373.606323][ T10] netlink_unicast+0x449/0x710 [10373.606323][ T10] netlink_sendmsg+0x723/0xbe0 [10373.606323][ T10] ____sys_sendmsg+0x7b2/0xa10 [10373.606323][ T10] ___sys_sendmsg+0xee/0x170 [10373.606323][ T10] __sys_sendmsg+0xcd/0x170 [10373.606323][ T10] do_syscall_64+0xc6/0x1e0 [10373.606323][ T10] [10373.611144][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10373.611144][ T10] ipv6_add_dev+0x3ba/0x11c0 [10373.611144][ T10] ipv6_find_idev+0x102/0x170 [10373.611144][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10373.611144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10373.611144][ T10] netlink_rcv_skb+0x130/0x360 [10373.611144][ T10] netlink_unicast+0x449/0x710 [10373.611144][ T10] netlink_sendmsg+0x723/0xbe0 [10373.611144][ T10] ____sys_sendmsg+0x7b2/0xa10 [10373.611144][ T10] ___sys_sendmsg+0xee/0x170 [10373.611144][ T10] __sys_sendmsg+0xcd/0x170 [10373.611144][ T10] do_syscall_64+0xc6/0x1e0 [10373.611144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10373.611144][ T10] [10373.614936][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [10373.614936][ T10] neigh_parms_alloc+0x1e5/0x510 [10373.614936][ T10] ipv6_add_dev+0x2fe/0x11c0 [10373.614936][ T10] ipv6_find_idev+0x102/0x170 [10373.614936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10373.614936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10373.614936][ T10] netlink_rcv_skb+0x130/0x360 [10373.614936][ T10] netlink_unicast+0x449/0x710 [10373.614936][ T10] netlink_sendmsg+0x723/0xbe0 [10373.614936][ T10] ____sys_sendmsg+0x7b2/0xa10 [10373.614936][ T10] ___sys_sendmsg+0xee/0x170 [10373.614936][ T10] __sys_sendmsg+0xcd/0x170 [10373.614936][ T10] do_syscall_64+0xc6/0x1e0 [10373.614936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10373.614936][ T10] [10378.239800][ T1167] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8 [10378.250394][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10378.250394][ T1167] dst_init+0x84/0x4a0 [10378.250394][ T1167] dst_alloc+0x97/0x150 [10378.250394][ T1167] ip6_dst_alloc+0x23/0x90 [10378.250394][ T1167] ip6_rt_pcpu_alloc+0x1e6/0x520 [10378.250394][ T1167] ip6_pol_route+0x56f/0x840 [10378.250394][ T1167] fib6_rule_lookup+0x334/0x630 [10378.250394][ T1167] ip6_route_output_flags+0x259/0x480 [10378.250394][ T1167] inet6_rtm_getroute+0x980/0xf70 [10378.250394][ T1167] rtnetlink_rcv_msg+0x712/0xbf0 [10378.250394][ T1167] netlink_rcv_skb+0x130/0x360 [10378.250394][ T1167] netlink_unicast+0x449/0x710 [10378.250394][ T1167] netlink_sendmsg+0x723/0xbe0 [10378.250394][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10378.250394][ T1167] ___sys_sendmsg+0xee/0x170 [10378.250394][ T1167] __sys_sendmsg+0xcd/0x170 [10378.250394][ T1167] do_syscall_64+0xc6/0x1e0 [10378.250394][ T1167] [10378.255311][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10378.255311][ T1167] netdev_get_by_index+0x5e/0x80 [10378.255311][ T1167] fib6_nh_init+0x3d8/0x1580 [10378.255311][ T1167] ip6_route_info_create+0xf18/0x17d0 [10378.255311][ T1167] addrconf_f6i_alloc+0x265/0x560 [10378.255311][ T1167] __ipv6_dev_ac_inc+0x25f/0xb10 [10378.255311][ T1167] addrconf_join_anycast+0x1c0/0x220 [10378.255311][ T1167] __ipv6_ifa_notify+0x6b3/0xaf0 [10378.255311][ T1167] addrconf_dad_completed+0x12b/0xe20 [10378.255311][ T1167] addrconf_dad_begin+0x310/0x670 [10378.255311][ T1167] addrconf_dad_work+0x10b/0xab0 [10378.255311][ T1167] process_one_work+0x84d/0x18a0 [10378.255311][ T1167] worker_thread+0x587/0xd30 [10378.255311][ T1167] kthread+0x28a/0x350 [10378.255311][ T1167] ret_from_fork+0x31/0x70 [10378.255311][ T1167] ret_from_fork_asm+0x1a/0x30 [10378.255311][ T1167] [10378.302117][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10378.302117][ T1167] netdev_get_by_index+0x5e/0x80 [10378.302117][ T1167] fib6_nh_init+0x3d8/0x1580 [10378.302117][ T1167] ip6_route_info_create+0xf18/0x17d0 [10378.302117][ T1167] ip6_route_add+0x1c/0x140 [10378.302117][ T1167] addrconf_prefix_route+0x2a6/0x430 [10378.302117][ T1167] inet6_addr_add+0x4f8/0xa40 [10378.302117][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10378.302117][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10378.302117][ T1167] netlink_rcv_skb+0x130/0x360 [10378.302117][ T1167] netlink_unicast+0x449/0x710 [10378.302117][ T1167] netlink_sendmsg+0x723/0xbe0 [10378.302117][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10378.302117][ T1167] ___sys_sendmsg+0xee/0x170 [10378.302117][ T1167] __sys_sendmsg+0xcd/0x170 [10378.302117][ T1167] do_syscall_64+0xc6/0x1e0 [10378.302117][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10378.302117][ T1167] [10378.322616][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10378.322616][ T1167] netdev_get_by_index+0x5e/0x80 [10378.322616][ T1167] fib6_nh_init+0x3d8/0x1580 [10378.322616][ T1167] ip6_route_info_create+0xf18/0x17d0 [10378.322616][ T1167] addrconf_f6i_alloc+0x315/0x560 [10378.322616][ T1167] ipv6_add_addr+0x411/0x2000 [10378.322616][ T1167] inet6_addr_add+0x30e/0xa40 [10378.322616][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10378.322616][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10378.322616][ T1167] netlink_rcv_skb+0x130/0x360 [10378.322616][ T1167] netlink_unicast+0x449/0x710 [10378.322616][ T1167] netlink_sendmsg+0x723/0xbe0 [10378.322616][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10378.322616][ T1167] ___sys_sendmsg+0xee/0x170 [10378.322616][ T1167] __sys_sendmsg+0xcd/0x170 [10378.322616][ T1167] do_syscall_64+0xc6/0x1e0 [10378.322616][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10378.322616][ T1167] [10378.331425][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10378.331425][ T1167] netdev_get_by_index+0x5e/0x80 [10378.331425][ T1167] fib6_nh_init+0x3d8/0x1580 [10378.331425][ T1167] ip6_route_info_create+0xf18/0x17d0 [10378.331425][ T1167] ip6_route_add+0x1c/0x140 [10378.331425][ T1167] addrconf_add_mroute+0x1ac/0x2c0 [10378.331425][ T1167] addrconf_add_dev+0xe2/0x170 [10378.331425][ T1167] inet6_addr_add+0x12f/0xa40 [10378.331425][ T1167] inet6_rtm_newaddr+0x560/0x6b0 [10378.331425][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10378.331425][ T1167] netlink_rcv_skb+0x130/0x360 [10378.331425][ T1167] netlink_unicast+0x449/0x710 [10378.331425][ T1167] netlink_sendmsg+0x723/0xbe0 [10378.331425][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10378.331425][ T1167] ___sys_sendmsg+0xee/0x170 [10378.331425][ T1167] __sys_sendmsg+0xcd/0x170 [10378.331425][ T1167] do_syscall_64+0xc6/0x1e0 [10378.331425][ T1167] [10378.367598][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10378.367598][ T1167] ipv6_add_dev+0x3ba/0x11c0 [10378.367598][ T1167] ipv6_find_idev+0x102/0x170 [10378.367598][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10378.367598][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10378.367598][ T1167] netlink_rcv_skb+0x130/0x360 [10378.367598][ T1167] netlink_unicast+0x449/0x710 [10378.367598][ T1167] netlink_sendmsg+0x723/0xbe0 [10378.367598][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10378.367598][ T1167] ___sys_sendmsg+0xee/0x170 [10378.367598][ T1167] __sys_sendmsg+0xcd/0x170 [10378.367598][ T1167] do_syscall_64+0xc6/0x1e0 [10378.367598][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10378.367598][ T1167] [10378.371651][ T1167] ref_tracker: dummy0@ffff88800f1745e0 has 1/7 users at [10378.371651][ T1167] neigh_parms_alloc+0x1e5/0x510 [10378.371651][ T1167] ipv6_add_dev+0x2fe/0x11c0 [10378.371651][ T1167] ipv6_find_idev+0x102/0x170 [10378.371651][ T1167] inet6_rtm_newaddr+0x37c/0x6b0 [10378.371651][ T1167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10378.371651][ T1167] netlink_rcv_skb+0x130/0x360 [10378.371651][ T1167] netlink_unicast+0x449/0x710 [10378.371651][ T1167] netlink_sendmsg+0x723/0xbe0 [10378.371651][ T1167] ____sys_sendmsg+0x7b2/0xa10 [10378.371651][ T1167] ___sys_sendmsg+0xee/0x170 [10378.371651][ T1167] __sys_sendmsg+0xcd/0x170 [10378.371651][ T1167] do_syscall_64+0xc6/0x1e0 [10378.371651][ T1167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10378.371651][ T1167] [10383.859589][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [10383.960316][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10383.960316][ T10] netdev_get_by_index+0x5e/0x80 [10383.960316][ T10] fib6_nh_init+0x3d8/0x1580 [10383.960316][ T10] ip6_route_info_create+0xf18/0x17d0 [10383.960316][ T10] addrconf_f6i_alloc+0x265/0x560 [10383.960316][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10383.960316][ T10] addrconf_join_anycast+0x1c0/0x220 [10383.960316][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10383.960316][ T10] addrconf_dad_completed+0x12b/0xe20 [10383.960316][ T10] addrconf_dad_begin+0x310/0x670 [10383.960316][ T10] addrconf_dad_work+0x10b/0xab0 [10383.960316][ T10] process_one_work+0x84d/0x18a0 [10383.960316][ T10] worker_thread+0x587/0xd30 [10383.960316][ T10] kthread+0x28a/0x350 [10383.960316][ T10] ret_from_fork+0x31/0x70 [10383.960316][ T10] ret_from_fork_asm+0x1a/0x30 [10383.960316][ T10] [10383.964566][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10383.964566][ T10] netdev_get_by_index+0x5e/0x80 [10383.964566][ T10] fib6_nh_init+0x3d8/0x1580 [10383.964566][ T10] ip6_route_info_create+0xf18/0x17d0 [10383.964566][ T10] ip6_route_add+0x1c/0x140 [10383.964566][ T10] addrconf_prefix_route+0x2a6/0x430 [10383.964566][ T10] inet6_addr_add+0x4f8/0xa40 [10383.964566][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10383.964566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10383.964566][ T10] netlink_rcv_skb+0x130/0x360 [10383.964566][ T10] netlink_unicast+0x449/0x710 [10383.964566][ T10] netlink_sendmsg+0x723/0xbe0 [10383.964566][ T10] ____sys_sendmsg+0x7b2/0xa10 [10383.964566][ T10] ___sys_sendmsg+0xee/0x170 [10383.964566][ T10] __sys_sendmsg+0xcd/0x170 [10383.964566][ T10] do_syscall_64+0xc6/0x1e0 [10383.964566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10383.964566][ T10] [10383.969005][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10383.969005][ T10] netdev_get_by_index+0x5e/0x80 [10383.969005][ T10] fib6_nh_init+0x3d8/0x1580 [10383.969005][ T10] ip6_route_info_create+0xf18/0x17d0 [10383.969005][ T10] addrconf_f6i_alloc+0x315/0x560 [10383.969005][ T10] ipv6_add_addr+0x411/0x2000 [10383.969005][ T10] inet6_addr_add+0x30e/0xa40 [10383.969005][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10383.969005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10383.969005][ T10] netlink_rcv_skb+0x130/0x360 [10383.969005][ T10] netlink_unicast+0x449/0x710 [10383.969005][ T10] netlink_sendmsg+0x723/0xbe0 [10383.969005][ T10] ____sys_sendmsg+0x7b2/0xa10 [10383.969005][ T10] ___sys_sendmsg+0xee/0x170 [10383.969005][ T10] __sys_sendmsg+0xcd/0x170 [10383.969005][ T10] do_syscall_64+0xc6/0x1e0 [10383.969005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10383.969005][ T10] [10384.013653][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10384.013653][ T10] netdev_get_by_index+0x5e/0x80 [10384.013653][ T10] fib6_nh_init+0x3d8/0x1580 [10384.013653][ T10] ip6_route_info_create+0xf18/0x17d0 [10384.013653][ T10] ip6_route_add+0x1c/0x140 [10384.013653][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10384.013653][ T10] addrconf_add_dev+0xe2/0x170 [10384.013653][ T10] inet6_addr_add+0x12f/0xa40 [10384.013653][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10384.013653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10384.013653][ T10] netlink_rcv_skb+0x130/0x360 [10384.013653][ T10] netlink_unicast+0x449/0x710 [10384.013653][ T10] netlink_sendmsg+0x723/0xbe0 [10384.013653][ T10] ____sys_sendmsg+0x7b2/0xa10 [10384.013653][ T10] ___sys_sendmsg+0xee/0x170 [10384.013653][ T10] __sys_sendmsg+0xcd/0x170 [10384.013653][ T10] do_syscall_64+0xc6/0x1e0 [10384.013653][ T10] [10384.017989][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10384.017989][ T10] ipv6_add_dev+0x3ba/0x11c0 [10384.017989][ T10] ipv6_find_idev+0x102/0x170 [10384.017989][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10384.017989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10384.017989][ T10] netlink_rcv_skb+0x130/0x360 [10384.017989][ T10] netlink_unicast+0x449/0x710 [10384.017989][ T10] netlink_sendmsg+0x723/0xbe0 [10384.017989][ T10] ____sys_sendmsg+0x7b2/0xa10 [10384.017989][ T10] ___sys_sendmsg+0xee/0x170 [10384.017989][ T10] __sys_sendmsg+0xcd/0x170 [10384.017989][ T10] do_syscall_64+0xc6/0x1e0 [10384.017989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10384.017989][ T10] [10384.041094][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [10384.041094][ T10] neigh_parms_alloc+0x1e5/0x510 [10384.041094][ T10] ipv6_add_dev+0x2fe/0x11c0 [10384.041094][ T10] ipv6_find_idev+0x102/0x170 [10384.041094][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10384.041094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10384.041094][ T10] netlink_rcv_skb+0x130/0x360 [10384.041094][ T10] netlink_unicast+0x449/0x710 [10384.041094][ T10] netlink_sendmsg+0x723/0xbe0 [10384.041094][ T10] ____sys_sendmsg+0x7b2/0xa10 [10384.041094][ T10] ___sys_sendmsg+0xee/0x170 [10384.041094][ T10] __sys_sendmsg+0xcd/0x170 [10384.041094][ T10] do_syscall_64+0xc6/0x1e0 [10384.041094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10384.041094][ T10] [10384.045121][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [10384.110493][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10384.110493][ T10] netdev_get_by_index+0x5e/0x80 [10384.110493][ T10] fib6_nh_init+0x3d8/0x1580 [10384.110493][ T10] ip6_route_info_create+0xf18/0x17d0 [10384.110493][ T10] addrconf_f6i_alloc+0x265/0x560 [10384.110493][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10384.110493][ T10] addrconf_join_anycast+0x1c0/0x220 [10384.110493][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10384.110493][ T10] addrconf_dad_completed+0x12b/0xe20 [10384.110493][ T10] addrconf_dad_begin+0x310/0x670 [10384.110493][ T10] addrconf_dad_work+0x10b/0xab0 [10384.110493][ T10] process_one_work+0x84d/0x18a0 [10384.110493][ T10] worker_thread+0x587/0xd30 [10384.110493][ T10] kthread+0x28a/0x350 [10384.110493][ T10] ret_from_fork+0x31/0x70 [10384.110493][ T10] ret_from_fork_asm+0x1a/0x30 [10384.110493][ T10] [10384.122453][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10384.122453][ T10] netdev_get_by_index+0x5e/0x80 [10384.122453][ T10] fib6_nh_init+0x3d8/0x1580 [10384.122453][ T10] ip6_route_info_create+0xf18/0x17d0 [10384.122453][ T10] ip6_route_add+0x1c/0x140 [10384.122453][ T10] addrconf_prefix_route+0x2a6/0x430 [10384.122453][ T10] inet6_addr_add+0x4f8/0xa40 [10384.122453][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10384.122453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10384.122453][ T10] netlink_rcv_skb+0x130/0x360 [10384.122453][ T10] netlink_unicast+0x449/0x710 [10384.122453][ T10] netlink_sendmsg+0x723/0xbe0 [10384.122453][ T10] ____sys_sendmsg+0x7b2/0xa10 [10384.122453][ T10] ___sys_sendmsg+0xee/0x170 [10384.122453][ T10] __sys_sendmsg+0xcd/0x170 [10384.122453][ T10] do_syscall_64+0xc6/0x1e0 [10384.122453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10384.122453][ T10] [10384.141632][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10384.141632][ T10] netdev_get_by_index+0x5e/0x80 [10384.141632][ T10] fib6_nh_init+0x3d8/0x1580 [10384.141632][ T10] ip6_route_info_create+0xf18/0x17d0 [10384.141632][ T10] addrconf_f6i_alloc+0x315/0x560 [10384.141632][ T10] ipv6_add_addr+0x411/0x2000 [10384.141632][ T10] inet6_addr_add+0x30e/0xa40 [10384.141632][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10384.141632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10384.141632][ T10] netlink_rcv_skb+0x130/0x360 [10384.141632][ T10] netlink_unicast+0x449/0x710 [10384.141632][ T10] netlink_sendmsg+0x723/0xbe0 [10384.141632][ T10] ____sys_sendmsg+0x7b2/0xa10 [10384.141632][ T10] ___sys_sendmsg+0xee/0x170 [10384.141632][ T10] __sys_sendmsg+0xcd/0x170 [10384.141632][ T10] do_syscall_64+0xc6/0x1e0 [10384.141632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10384.141632][ T10] [10384.146405][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10384.146405][ T10] netdev_get_by_index+0x5e/0x80 [10384.146405][ T10] fib6_nh_init+0x3d8/0x1580 [10384.146405][ T10] ip6_route_info_create+0xf18/0x17d0 [10384.146405][ T10] ip6_route_add+0x1c/0x140 [10384.146405][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10384.146405][ T10] addrconf_add_dev+0xe2/0x170 [10384.146405][ T10] inet6_addr_add+0x12f/0xa40 [10384.146405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10384.146405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10384.146405][ T10] netlink_rcv_skb+0x130/0x360 [10384.146405][ T10] netlink_unicast+0x449/0x710 [10384.146405][ T10] netlink_sendmsg+0x723/0xbe0 [10384.146405][ T10] ____sys_sendmsg+0x7b2/0xa10 [10384.146405][ T10] ___sys_sendmsg+0xee/0x170 [10384.146405][ T10] __sys_sendmsg+0xcd/0x170 [10384.146405][ T10] do_syscall_64+0xc6/0x1e0 [10384.146405][ T10] [10384.188075][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10384.188075][ T10] ipv6_add_dev+0x3ba/0x11c0 [10384.188075][ T10] ipv6_find_idev+0x102/0x170 [10384.188075][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10384.188075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10384.188075][ T10] netlink_rcv_skb+0x130/0x360 [10384.188075][ T10] netlink_unicast+0x449/0x710 [10384.188075][ T10] netlink_sendmsg+0x723/0xbe0 [10384.188075][ T10] ____sys_sendmsg+0x7b2/0xa10 [10384.188075][ T10] ___sys_sendmsg+0xee/0x170 [10384.188075][ T10] __sys_sendmsg+0xcd/0x170 [10384.188075][ T10] do_syscall_64+0xc6/0x1e0 [10384.188075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10384.188075][ T10] [10384.191696][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [10384.191696][ T10] neigh_parms_alloc+0x1e5/0x510 [10384.191696][ T10] ipv6_add_dev+0x2fe/0x11c0 [10384.191696][ T10] ipv6_find_idev+0x102/0x170 [10384.191696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10384.191696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10384.191696][ T10] netlink_rcv_skb+0x130/0x360 [10384.191696][ T10] netlink_unicast+0x449/0x710 [10384.191696][ T10] netlink_sendmsg+0x723/0xbe0 [10384.191696][ T10] ____sys_sendmsg+0x7b2/0xa10 [10384.191696][ T10] ___sys_sendmsg+0xee/0x170 [10384.191696][ T10] __sys_sendmsg+0xcd/0x170 [10384.191696][ T10] do_syscall_64+0xc6/0x1e0 [10384.191696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10384.191696][ T10] [10384.259664][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10384.260386][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10384.260386][ T10] netdev_get_by_index+0x5e/0x80 [10384.260386][ T10] fib6_nh_init+0x3d8/0x1580 [10384.260386][ T10] ip6_route_info_create+0xf18/0x17d0 [10384.260386][ T10] addrconf_f6i_alloc+0x265/0x560 [10384.260386][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [10384.260386][ T10] addrconf_join_anycast+0x1c0/0x220 [10384.260386][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [10384.260386][ T10] addrconf_dad_completed+0x12b/0xe20 [10384.260386][ T10] addrconf_dad_begin+0x310/0x670 [10384.260386][ T10] addrconf_dad_work+0x10b/0xab0 [10384.260386][ T10] process_one_work+0x84d/0x18a0 [10384.260386][ T10] worker_thread+0x587/0xd30 [10384.260386][ T10] kthread+0x28a/0x350 [10384.260386][ T10] ret_from_fork+0x31/0x70 [10384.260386][ T10] ret_from_fork_asm+0x1a/0x30 [10384.260386][ T10] [10384.370134][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10384.370134][ T10] netdev_get_by_index+0x5e/0x80 [10384.370134][ T10] fib6_nh_init+0x3d8/0x1580 [10384.370134][ T10] ip6_route_info_create+0xf18/0x17d0 [10384.370134][ T10] ip6_route_add+0x1c/0x140 [10384.370134][ T10] addrconf_prefix_route+0x2a6/0x430 [10384.370134][ T10] inet6_addr_add+0x4f8/0xa40 [10384.370134][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10384.370134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10384.370134][ T10] netlink_rcv_skb+0x130/0x360 [10384.370134][ T10] netlink_unicast+0x449/0x710 [10384.370134][ T10] netlink_sendmsg+0x723/0xbe0 [10384.370134][ T10] ____sys_sendmsg+0x7b2/0xa10 [10384.370134][ T10] ___sys_sendmsg+0xee/0x170 [10384.370134][ T10] __sys_sendmsg+0xcd/0x170 [10384.370134][ T10] do_syscall_64+0xc6/0x1e0 [10384.370134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10384.370134][ T10] [10384.381370][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10384.381370][ T10] netdev_get_by_index+0x5e/0x80 [10384.381370][ T10] fib6_nh_init+0x3d8/0x1580 [10384.381370][ T10] ip6_route_info_create+0xf18/0x17d0 [10384.381370][ T10] addrconf_f6i_alloc+0x315/0x560 [10384.381370][ T10] ipv6_add_addr+0x411/0x2000 [10384.381370][ T10] inet6_addr_add+0x30e/0xa40 [10384.381370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10384.381370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10384.381370][ T10] netlink_rcv_skb+0x130/0x360 [10384.381370][ T10] netlink_unicast+0x449/0x710 [10384.381370][ T10] netlink_sendmsg+0x723/0xbe0 [10384.381370][ T10] ____sys_sendmsg+0x7b2/0xa10 [10384.381370][ T10] ___sys_sendmsg+0xee/0x170 [10384.381370][ T10] __sys_sendmsg+0xcd/0x170 [10384.381370][ T10] do_syscall_64+0xc6/0x1e0 [10384.381370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10384.381370][ T10] [10384.427184][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10384.427184][ T10] netdev_get_by_index+0x5e/0x80 [10384.427184][ T10] fib6_nh_init+0x3d8/0x1580 [10384.427184][ T10] ip6_route_info_create+0xf18/0x17d0 [10384.427184][ T10] ip6_route_add+0x1c/0x140 [10384.427184][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10384.427184][ T10] addrconf_add_dev+0xe2/0x170 [10384.427184][ T10] inet6_addr_add+0x12f/0xa40 [10384.427184][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10384.427184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10384.427184][ T10] netlink_rcv_skb+0x130/0x360 [10384.427184][ T10] netlink_unicast+0x449/0x710 [10384.427184][ T10] netlink_sendmsg+0x723/0xbe0 [10384.427184][ T10] ____sys_sendmsg+0x7b2/0xa10 [10384.427184][ T10] ___sys_sendmsg+0xee/0x170 [10384.427184][ T10] __sys_sendmsg+0xcd/0x170 [10384.427184][ T10] do_syscall_64+0xc6/0x1e0 [10384.427184][ T10] [10384.491378][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10384.491378][ T10] ipv6_add_dev+0x3ba/0x11c0 [10384.491378][ T10] ipv6_find_idev+0x102/0x170 [10384.491378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10384.491378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10384.491378][ T10] netlink_rcv_skb+0x130/0x360 [10384.491378][ T10] netlink_unicast+0x449/0x710 [10384.491378][ T10] netlink_sendmsg+0x723/0xbe0 [10384.491378][ T10] ____sys_sendmsg+0x7b2/0xa10 [10384.491378][ T10] ___sys_sendmsg+0xee/0x170 [10384.491378][ T10] __sys_sendmsg+0xcd/0x170 [10384.491378][ T10] do_syscall_64+0xc6/0x1e0 [10384.491378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10384.491378][ T10] [10384.545229][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [10384.545229][ T10] neigh_parms_alloc+0x1e5/0x510 [10384.545229][ T10] ipv6_add_dev+0x2fe/0x11c0 [10384.545229][ T10] ipv6_find_idev+0x102/0x170 [10384.545229][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10384.545229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10384.545229][ T10] netlink_rcv_skb+0x130/0x360 [10384.545229][ T10] netlink_unicast+0x449/0x710 [10384.545229][ T10] netlink_sendmsg+0x723/0xbe0 [10384.545229][ T10] ____sys_sendmsg+0x7b2/0xa10 [10384.545229][ T10] ___sys_sendmsg+0xee/0x170 [10384.545229][ T10] __sys_sendmsg+0xcd/0x170 [10384.545229][ T10] do_syscall_64+0xc6/0x1e0 [10384.545229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10384.545229][ T10] [10384.696317][ T1